diff options
Diffstat (limited to 'src')
199 files changed, 15688 insertions, 4685 deletions
diff --git a/src/_copyright/Makefile.am b/src/_copyright/Makefile.am index d8dcfb3f1..00d5fb2ff 100644 --- a/src/_copyright/Makefile.am +++ b/src/_copyright/Makefile.am @@ -3,4 +3,4 @@ _copyright_SOURCES = _copyright.c dist_man8_MANS = _copyright.8 INCLUDES = -I$(top_srcdir)/src/libfreeswan -_copyright_LDADD = $(top_srcdir)/src/libfreeswan/libfreeswan.a +_copyright_LDADD = $(top_builddir)/src/libfreeswan/libfreeswan.a diff --git a/src/_copyright/Makefile.in b/src/_copyright/Makefile.in index a8f14689a..031b0846d 100644 --- a/src/_copyright/Makefile.in +++ b/src/_copyright/Makefile.in @@ -47,7 +47,8 @@ ipsecPROGRAMS_INSTALL = $(INSTALL_PROGRAM) PROGRAMS = $(ipsec_PROGRAMS) am__copyright_OBJECTS = _copyright.$(OBJEXT) _copyright_OBJECTS = $(am__copyright_OBJECTS) -_copyright_DEPENDENCIES = $(top_srcdir)/src/libfreeswan/libfreeswan.a +_copyright_DEPENDENCIES = \ + $(top_builddir)/src/libfreeswan/libfreeswan.a DEFAULT_INCLUDES = -I.@am__isrc@ depcomp = $(SHELL) $(top_srcdir)/depcomp am__depfiles_maybe = depfiles @@ -207,7 +208,7 @@ xml_LIBS = @xml_LIBS@ _copyright_SOURCES = _copyright.c dist_man8_MANS = _copyright.8 INCLUDES = -I$(top_srcdir)/src/libfreeswan -_copyright_LDADD = $(top_srcdir)/src/libfreeswan/libfreeswan.a +_copyright_LDADD = $(top_builddir)/src/libfreeswan/libfreeswan.a all: all-am .SUFFIXES: diff --git a/src/charon/Makefile.am b/src/charon/Makefile.am index c9f63ac9d..e3d3e8e14 100644 --- a/src/charon/Makefile.am +++ b/src/charon/Makefile.am @@ -52,6 +52,7 @@ processing/jobs/acquire_job.c processing/jobs/acquire_job.h \ processing/jobs/callback_job.c processing/jobs/callback_job.h \ processing/jobs/delete_child_sa_job.c processing/jobs/delete_child_sa_job.h \ processing/jobs/delete_ike_sa_job.c processing/jobs/delete_ike_sa_job.h \ +processing/jobs/migrate_job.c processing/jobs/migrate_job.h \ processing/jobs/process_message_job.c processing/jobs/process_message_job.h \ processing/jobs/rekey_child_sa_job.c processing/jobs/rekey_child_sa_job.h \ processing/jobs/rekey_ike_sa_job.c processing/jobs/rekey_ike_sa_job.h \ @@ -74,6 +75,7 @@ sa/ike_sa.c sa/ike_sa.h \ sa/ike_sa_id.c sa/ike_sa_id.h \ sa/ike_sa_manager.c sa/ike_sa_manager.h \ sa/task_manager.c sa/task_manager.h \ +sa/keymat.c sa/keymat.h \ sa/tasks/child_create.c sa/tasks/child_create.h \ sa/tasks/child_delete.c sa/tasks/child_delete.h \ sa/tasks/child_rekey.c sa/tasks/child_rekey.h \ @@ -144,6 +146,21 @@ endif SUBDIRS = . PLUGINS = ${libstrongswan_plugins} +if USE_LOAD_TESTS + SUBDIRS += plugins/load_tester + PLUGINS += load-tester +endif + +if USE_KERNEL_PFKEY + SUBDIRS += plugins/kernel_pfkey + PLUGINS += kernel-pfkey +endif + +if USE_KERNEL_KLIPS + SUBDIRS += plugins/kernel_klips + PLUGINS += kernel-klips +endif + if USE_KERNEL_NETLINK SUBDIRS += plugins/kernel_netlink PLUGINS += kernel-netlink @@ -164,6 +181,11 @@ if USE_SQL PLUGINS += sql endif +if USE_UPDOWN + SUBDIRS += plugins/updown + PLUGINS += updown +endif + if USE_EAP_IDENTITY SUBDIRS += plugins/eap_identity PLUGINS += eapidentity diff --git a/src/charon/Makefile.in b/src/charon/Makefile.in index 8d13f16e9..c8a817f45 100644 --- a/src/charon/Makefile.in +++ b/src/charon/Makefile.in @@ -50,36 +50,44 @@ ipsec_PROGRAMS = charon$(EXEEXT) @USE_INTEGRITY_TEST_TRUE@am__append_4 = -DINTEGRITY_TEST @USE_SELF_TEST_TRUE@am__append_5 = -DSELF_TEST @USE_CAPABILITIES_TRUE@am__append_6 = -lcap -@USE_KERNEL_NETLINK_TRUE@am__append_7 = plugins/kernel_netlink -@USE_KERNEL_NETLINK_TRUE@am__append_8 = kernel-netlink -@USE_STROKE_TRUE@am__append_9 = plugins/stroke -@USE_STROKE_TRUE@am__append_10 = stroke -@USE_SMP_TRUE@am__append_11 = plugins/smp -@USE_SMP_TRUE@am__append_12 = smp -@USE_SQL_TRUE@am__append_13 = plugins/sql -@USE_SQL_TRUE@am__append_14 = sql -@USE_EAP_IDENTITY_TRUE@am__append_15 = plugins/eap_identity -@USE_EAP_IDENTITY_TRUE@am__append_16 = eapidentity -@USE_EAP_SIM_TRUE@am__append_17 = plugins/eap_sim -@USE_EAP_SIM_TRUE@am__append_18 = eapsim -@USE_EAP_SIM_FILE_TRUE@am__append_19 = plugins/eap_sim_file -@USE_EAP_SIM_FILE_TRUE@am__append_20 = eapsim-file -@USE_EAP_MD5_TRUE@am__append_21 = plugins/eap_md5 -@USE_EAP_MD5_TRUE@am__append_22 = eapmd5 -@USE_EAP_GTC_TRUE@am__append_23 = plugins/eap_gtc -@USE_EAP_GTC_TRUE@am__append_24 = eapgtc -@USE_EAP_AKA_TRUE@am__append_25 = plugins/eap_aka -@USE_EAP_AKA_TRUE@am__append_26 = eapaka -@USE_MEDSRV_TRUE@am__append_27 = plugins/medsrv -@USE_MEDSRV_TRUE@am__append_28 = medsrv -@USE_MEDCLI_TRUE@am__append_29 = plugins/medcli -@USE_MEDCLI_TRUE@am__append_30 = medcli -@USE_NM_TRUE@am__append_31 = plugins/nm -@USE_NM_TRUE@am__append_32 = nm -@USE_UCI_TRUE@am__append_33 = plugins/uci -@USE_UCI_TRUE@am__append_34 = uci -@USE_UNIT_TESTS_TRUE@am__append_35 = plugins/unit_tester -@USE_UNIT_TESTS_TRUE@am__append_36 = unit-tester +@USE_LOAD_TESTS_TRUE@am__append_7 = plugins/load_tester +@USE_LOAD_TESTS_TRUE@am__append_8 = load-tester +@USE_KERNEL_PFKEY_TRUE@am__append_9 = plugins/kernel_pfkey +@USE_KERNEL_PFKEY_TRUE@am__append_10 = kernel-pfkey +@USE_KERNEL_KLIPS_TRUE@am__append_11 = plugins/kernel_klips +@USE_KERNEL_KLIPS_TRUE@am__append_12 = kernel-klips +@USE_KERNEL_NETLINK_TRUE@am__append_13 = plugins/kernel_netlink +@USE_KERNEL_NETLINK_TRUE@am__append_14 = kernel-netlink +@USE_STROKE_TRUE@am__append_15 = plugins/stroke +@USE_STROKE_TRUE@am__append_16 = stroke +@USE_SMP_TRUE@am__append_17 = plugins/smp +@USE_SMP_TRUE@am__append_18 = smp +@USE_SQL_TRUE@am__append_19 = plugins/sql +@USE_SQL_TRUE@am__append_20 = sql +@USE_UPDOWN_TRUE@am__append_21 = plugins/updown +@USE_UPDOWN_TRUE@am__append_22 = updown +@USE_EAP_IDENTITY_TRUE@am__append_23 = plugins/eap_identity +@USE_EAP_IDENTITY_TRUE@am__append_24 = eapidentity +@USE_EAP_SIM_TRUE@am__append_25 = plugins/eap_sim +@USE_EAP_SIM_TRUE@am__append_26 = eapsim +@USE_EAP_SIM_FILE_TRUE@am__append_27 = plugins/eap_sim_file +@USE_EAP_SIM_FILE_TRUE@am__append_28 = eapsim-file +@USE_EAP_MD5_TRUE@am__append_29 = plugins/eap_md5 +@USE_EAP_MD5_TRUE@am__append_30 = eapmd5 +@USE_EAP_GTC_TRUE@am__append_31 = plugins/eap_gtc +@USE_EAP_GTC_TRUE@am__append_32 = eapgtc +@USE_EAP_AKA_TRUE@am__append_33 = plugins/eap_aka +@USE_EAP_AKA_TRUE@am__append_34 = eapaka +@USE_MEDSRV_TRUE@am__append_35 = plugins/medsrv +@USE_MEDSRV_TRUE@am__append_36 = medsrv +@USE_MEDCLI_TRUE@am__append_37 = plugins/medcli +@USE_MEDCLI_TRUE@am__append_38 = medcli +@USE_NM_TRUE@am__append_39 = plugins/nm +@USE_NM_TRUE@am__append_40 = nm +@USE_UCI_TRUE@am__append_41 = plugins/uci +@USE_UCI_TRUE@am__append_42 = uci +@USE_UNIT_TESTS_TRUE@am__append_43 = plugins/unit_tester +@USE_UNIT_TESTS_TRUE@am__append_44 = unit-tester subdir = src/charon DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 @@ -154,6 +162,7 @@ am__charon_SOURCES_DIST = bus/bus.c bus/bus.h \ processing/jobs/delete_child_sa_job.h \ processing/jobs/delete_ike_sa_job.c \ processing/jobs/delete_ike_sa_job.h \ + processing/jobs/migrate_job.c processing/jobs/migrate_job.h \ processing/jobs/process_message_job.c \ processing/jobs/process_message_job.h \ processing/jobs/rekey_child_sa_job.c \ @@ -185,10 +194,11 @@ am__charon_SOURCES_DIST = bus/bus.c bus/bus.h \ sa/authenticators/pubkey_authenticator.h sa/child_sa.c \ sa/child_sa.h sa/ike_sa.c sa/ike_sa.h sa/ike_sa_id.c \ sa/ike_sa_id.h sa/ike_sa_manager.c sa/ike_sa_manager.h \ - sa/task_manager.c sa/task_manager.h sa/tasks/child_create.c \ - sa/tasks/child_create.h sa/tasks/child_delete.c \ - sa/tasks/child_delete.h sa/tasks/child_rekey.c \ - sa/tasks/child_rekey.h sa/tasks/ike_auth.c sa/tasks/ike_auth.h \ + sa/task_manager.c sa/task_manager.h sa/keymat.c sa/keymat.h \ + sa/tasks/child_create.c sa/tasks/child_create.h \ + sa/tasks/child_delete.c sa/tasks/child_delete.h \ + sa/tasks/child_rekey.c sa/tasks/child_rekey.h \ + sa/tasks/ike_auth.c sa/tasks/ike_auth.h \ sa/tasks/ike_cert_pre.c sa/tasks/ike_cert_pre.h \ sa/tasks/ike_cert_post.c sa/tasks/ike_cert_post.h \ sa/tasks/ike_config.c sa/tasks/ike_config.h \ @@ -242,17 +252,18 @@ am_charon_OBJECTS = bus.$(OBJEXT) file_logger.$(OBJEXT) \ kernel_ipsec.$(OBJEXT) packet.$(OBJEXT) receiver.$(OBJEXT) \ sender.$(OBJEXT) acquire_job.$(OBJEXT) callback_job.$(OBJEXT) \ delete_child_sa_job.$(OBJEXT) delete_ike_sa_job.$(OBJEXT) \ - process_message_job.$(OBJEXT) rekey_child_sa_job.$(OBJEXT) \ - rekey_ike_sa_job.$(OBJEXT) retransmit_job.$(OBJEXT) \ - send_dpd_job.$(OBJEXT) send_keepalive_job.$(OBJEXT) \ - roam_job.$(OBJEXT) update_sa_job.$(OBJEXT) scheduler.$(OBJEXT) \ + migrate_job.$(OBJEXT) process_message_job.$(OBJEXT) \ + rekey_child_sa_job.$(OBJEXT) rekey_ike_sa_job.$(OBJEXT) \ + retransmit_job.$(OBJEXT) send_dpd_job.$(OBJEXT) \ + send_keepalive_job.$(OBJEXT) roam_job.$(OBJEXT) \ + update_sa_job.$(OBJEXT) scheduler.$(OBJEXT) \ processor.$(OBJEXT) authenticator.$(OBJEXT) \ eap_authenticator.$(OBJEXT) eap_method.$(OBJEXT) \ eap_manager.$(OBJEXT) sim_manager.$(OBJEXT) \ psk_authenticator.$(OBJEXT) pubkey_authenticator.$(OBJEXT) \ child_sa.$(OBJEXT) ike_sa.$(OBJEXT) ike_sa_id.$(OBJEXT) \ ike_sa_manager.$(OBJEXT) task_manager.$(OBJEXT) \ - child_create.$(OBJEXT) child_delete.$(OBJEXT) \ + keymat.$(OBJEXT) child_create.$(OBJEXT) child_delete.$(OBJEXT) \ child_rekey.$(OBJEXT) ike_auth.$(OBJEXT) \ ike_cert_pre.$(OBJEXT) ike_cert_post.$(OBJEXT) \ ike_config.$(OBJEXT) ike_delete.$(OBJEXT) ike_dpd.$(OBJEXT) \ @@ -293,11 +304,12 @@ RECURSIVE_CLEAN_TARGETS = mostlyclean-recursive clean-recursive \ distclean-recursive maintainer-clean-recursive ETAGS = etags CTAGS = ctags -DIST_SUBDIRS = . plugins/kernel_netlink plugins/stroke plugins/smp \ - plugins/sql plugins/eap_identity plugins/eap_sim \ - plugins/eap_sim_file plugins/eap_md5 plugins/eap_gtc \ - plugins/eap_aka plugins/medsrv plugins/medcli plugins/nm \ - plugins/uci plugins/unit_tester +DIST_SUBDIRS = . plugins/load_tester plugins/kernel_pfkey \ + plugins/kernel_klips plugins/kernel_netlink plugins/stroke \ + plugins/smp plugins/sql plugins/updown plugins/eap_identity \ + plugins/eap_sim plugins/eap_sim_file plugins/eap_md5 \ + plugins/eap_gtc plugins/eap_aka plugins/medsrv plugins/medcli \ + plugins/nm plugins/uci plugins/unit_tester DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST) ACLOCAL = @ACLOCAL@ AMTAR = @AMTAR@ @@ -498,6 +510,7 @@ charon_SOURCES = bus/bus.c bus/bus.h bus/listeners/file_logger.c \ processing/jobs/delete_child_sa_job.h \ processing/jobs/delete_ike_sa_job.c \ processing/jobs/delete_ike_sa_job.h \ + processing/jobs/migrate_job.c processing/jobs/migrate_job.h \ processing/jobs/process_message_job.c \ processing/jobs/process_message_job.h \ processing/jobs/rekey_child_sa_job.c \ @@ -529,10 +542,11 @@ charon_SOURCES = bus/bus.c bus/bus.h bus/listeners/file_logger.c \ sa/authenticators/pubkey_authenticator.h sa/child_sa.c \ sa/child_sa.h sa/ike_sa.c sa/ike_sa.h sa/ike_sa_id.c \ sa/ike_sa_id.h sa/ike_sa_manager.c sa/ike_sa_manager.h \ - sa/task_manager.c sa/task_manager.h sa/tasks/child_create.c \ - sa/tasks/child_create.h sa/tasks/child_delete.c \ - sa/tasks/child_delete.h sa/tasks/child_rekey.c \ - sa/tasks/child_rekey.h sa/tasks/ike_auth.c sa/tasks/ike_auth.h \ + sa/task_manager.c sa/task_manager.h sa/keymat.c sa/keymat.h \ + sa/tasks/child_create.c sa/tasks/child_create.h \ + sa/tasks/child_delete.c sa/tasks/child_delete.h \ + sa/tasks/child_rekey.c sa/tasks/child_rekey.h \ + sa/tasks/ike_auth.c sa/tasks/ike_auth.h \ sa/tasks/ike_cert_pre.c sa/tasks/ike_cert_pre.h \ sa/tasks/ike_cert_post.c sa/tasks/ike_cert_post.h \ sa/tasks/ike_config.c sa/tasks/ike_config.h \ @@ -568,13 +582,16 @@ SUBDIRS = . $(am__append_7) $(am__append_9) $(am__append_11) \ $(am__append_13) $(am__append_15) $(am__append_17) \ $(am__append_19) $(am__append_21) $(am__append_23) \ $(am__append_25) $(am__append_27) $(am__append_29) \ - $(am__append_31) $(am__append_33) $(am__append_35) + $(am__append_31) $(am__append_33) $(am__append_35) \ + $(am__append_37) $(am__append_39) $(am__append_41) \ + $(am__append_43) PLUGINS = ${libstrongswan_plugins} $(am__append_8) $(am__append_10) \ $(am__append_12) $(am__append_14) $(am__append_16) \ $(am__append_18) $(am__append_20) $(am__append_22) \ $(am__append_24) $(am__append_26) $(am__append_28) \ $(am__append_30) $(am__append_32) $(am__append_34) \ - $(am__append_36) + $(am__append_36) $(am__append_38) $(am__append_40) \ + $(am__append_42) $(am__append_44) all: all-recursive .SUFFIXES: @@ -704,9 +721,11 @@ distclean-compile: @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ke_payload.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/kernel_interface.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/kernel_ipsec.Po@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/keymat.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mediation_job.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mediation_manager.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/message.Po@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/migrate_job.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/nonce_payload.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/notify_payload.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ocsp_response_wrapper.Po@am__quote@ @@ -1410,6 +1429,20 @@ delete_ike_sa_job.obj: processing/jobs/delete_ike_sa_job.c @AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ @am__fastdepCC_FALSE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o delete_ike_sa_job.obj `if test -f 'processing/jobs/delete_ike_sa_job.c'; then $(CYGPATH_W) 'processing/jobs/delete_ike_sa_job.c'; else $(CYGPATH_W) '$(srcdir)/processing/jobs/delete_ike_sa_job.c'; fi` +migrate_job.o: processing/jobs/migrate_job.c +@am__fastdepCC_TRUE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT migrate_job.o -MD -MP -MF $(DEPDIR)/migrate_job.Tpo -c -o migrate_job.o `test -f 'processing/jobs/migrate_job.c' || echo '$(srcdir)/'`processing/jobs/migrate_job.c +@am__fastdepCC_TRUE@ mv -f $(DEPDIR)/migrate_job.Tpo $(DEPDIR)/migrate_job.Po +@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='processing/jobs/migrate_job.c' object='migrate_job.o' libtool=no @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCC_FALSE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o migrate_job.o `test -f 'processing/jobs/migrate_job.c' || echo '$(srcdir)/'`processing/jobs/migrate_job.c + +migrate_job.obj: processing/jobs/migrate_job.c +@am__fastdepCC_TRUE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT migrate_job.obj -MD -MP -MF $(DEPDIR)/migrate_job.Tpo -c -o migrate_job.obj `if test -f 'processing/jobs/migrate_job.c'; then $(CYGPATH_W) 'processing/jobs/migrate_job.c'; else $(CYGPATH_W) '$(srcdir)/processing/jobs/migrate_job.c'; fi` +@am__fastdepCC_TRUE@ mv -f $(DEPDIR)/migrate_job.Tpo $(DEPDIR)/migrate_job.Po +@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='processing/jobs/migrate_job.c' object='migrate_job.obj' libtool=no @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCC_FALSE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o migrate_job.obj `if test -f 'processing/jobs/migrate_job.c'; then $(CYGPATH_W) 'processing/jobs/migrate_job.c'; else $(CYGPATH_W) '$(srcdir)/processing/jobs/migrate_job.c'; fi` + process_message_job.o: processing/jobs/process_message_job.c @am__fastdepCC_TRUE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT process_message_job.o -MD -MP -MF $(DEPDIR)/process_message_job.Tpo -c -o process_message_job.o `test -f 'processing/jobs/process_message_job.c' || echo '$(srcdir)/'`processing/jobs/process_message_job.c @am__fastdepCC_TRUE@ mv -f $(DEPDIR)/process_message_job.Tpo $(DEPDIR)/process_message_job.Po @@ -1718,6 +1751,20 @@ task_manager.obj: sa/task_manager.c @AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ @am__fastdepCC_FALSE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o task_manager.obj `if test -f 'sa/task_manager.c'; then $(CYGPATH_W) 'sa/task_manager.c'; else $(CYGPATH_W) '$(srcdir)/sa/task_manager.c'; fi` +keymat.o: sa/keymat.c +@am__fastdepCC_TRUE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT keymat.o -MD -MP -MF $(DEPDIR)/keymat.Tpo -c -o keymat.o `test -f 'sa/keymat.c' || echo '$(srcdir)/'`sa/keymat.c +@am__fastdepCC_TRUE@ mv -f $(DEPDIR)/keymat.Tpo $(DEPDIR)/keymat.Po +@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='sa/keymat.c' object='keymat.o' libtool=no @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCC_FALSE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o keymat.o `test -f 'sa/keymat.c' || echo '$(srcdir)/'`sa/keymat.c + +keymat.obj: sa/keymat.c +@am__fastdepCC_TRUE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT keymat.obj -MD -MP -MF $(DEPDIR)/keymat.Tpo -c -o keymat.obj `if test -f 'sa/keymat.c'; then $(CYGPATH_W) 'sa/keymat.c'; else $(CYGPATH_W) '$(srcdir)/sa/keymat.c'; fi` +@am__fastdepCC_TRUE@ mv -f $(DEPDIR)/keymat.Tpo $(DEPDIR)/keymat.Po +@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='sa/keymat.c' object='keymat.obj' libtool=no @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCC_FALSE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o keymat.obj `if test -f 'sa/keymat.c'; then $(CYGPATH_W) 'sa/keymat.c'; else $(CYGPATH_W) '$(srcdir)/sa/keymat.c'; fi` + child_create.o: sa/tasks/child_create.c @am__fastdepCC_TRUE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT child_create.o -MD -MP -MF $(DEPDIR)/child_create.Tpo -c -o child_create.o `test -f 'sa/tasks/child_create.c' || echo '$(srcdir)/'`sa/tasks/child_create.c @am__fastdepCC_TRUE@ mv -f $(DEPDIR)/child_create.Tpo $(DEPDIR)/child_create.Po diff --git a/src/charon/bus/bus.c b/src/charon/bus/bus.c index a102a3984..504947465 100644 --- a/src/charon/bus/bus.c +++ b/src/charon/bus/bus.c @@ -12,20 +12,18 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: bus.c 4198 2008-07-21 14:23:43Z martin $ + * $Id: bus.c 4622 2008-11-11 10:52:37Z martin $ */ #include "bus.h" #include <pthread.h> +#include <stdint.h> #include <daemon.h> #include <utils/mutex.h> -ENUM(signal_names, SIG_ANY, SIG_MAX, - /** should not get printed */ - "SIG_ANY", - /** debugging message types */ +ENUM(debug_names, DBG_DMN, DBG_LIB, "DMN", "MGR", "IKE", @@ -36,19 +34,19 @@ ENUM(signal_names, SIG_ANY, SIG_MAX, "NET", "ENC", "LIB", - /** should not get printed */ - "SIG_DBG_MAX", - /** all level0 signals are AUDIT signals */ - "AUD", "AUD", "AUD", - "AUD", "AUD", "AUD", - "AUD", "AUD", "AUD", - "AUD", "AUD", "AUD", - "AUD", "AUD", "AUD", - "AUD", "AUD", "AUD", - "AUD", "AUD", "AUD", - "AUD", "AUD", "AUD", - /** should not get printed */ - "SIG_MAX", +); + +ENUM(debug_lower_names, DBG_DMN, DBG_LIB, + "dmn", + "mgr", + "ike", + "chd", + "job", + "cfg", + "knl", + "net", + "enc", + "lib", ); typedef struct private_bus_t private_bus_t; @@ -93,7 +91,7 @@ struct entry_t { /** * registered listener interface */ - bus_listener_t *listener; + listener_t *listener; /** * is this a active listen() call with a blocking thread @@ -103,7 +101,7 @@ struct entry_t { /** * are we currently calling this listener */ - bool calling; + int calling; /** * condvar where active listeners wait @@ -114,13 +112,13 @@ struct entry_t { /** * create a listener entry */ -static entry_t *entry_create(bus_listener_t *listener, bool blocker) +static entry_t *entry_create(listener_t *listener, bool blocker) { entry_t *this = malloc_thing(entry_t); this->listener = listener; this->blocker = blocker; - this->calling = FALSE; + this->calling = 0; this->condvar = condvar_create(CONDVAR_DEFAULT); return this; @@ -140,12 +138,12 @@ static void entry_destroy(entry_t *entry) * pthread_self returns large and ugly numbers, use this function * for logging; these numbers are incremental starting at 1 */ -static int get_thread_number(private_bus_t *this) +static u_int get_thread_number(private_bus_t *this) { - static long current_num = 0; - long stored_num; + static uintptr_t current_num = 0; + uintptr_t stored_num; - stored_num = (long)pthread_getspecific(this->thread_id); + stored_num = (uintptr_t)pthread_getspecific(this->thread_id); if (stored_num == 0) { /* first call of current thread */ pthread_setspecific(this->thread_id, (void*)++current_num); @@ -160,7 +158,7 @@ static int get_thread_number(private_bus_t *this) /** * Implementation of bus_t.add_listener. */ -static void add_listener(private_bus_t *this, bus_listener_t *listener) +static void add_listener(private_bus_t *this, listener_t *listener) { this->mutex->lock(this->mutex); this->listeners->insert_last(this->listeners, entry_create(listener, FALSE)); @@ -170,23 +168,23 @@ static void add_listener(private_bus_t *this, bus_listener_t *listener) /** * Implementation of bus_t.remove_listener. */ -static void remove_listener(private_bus_t *this, bus_listener_t *listener) +static void remove_listener(private_bus_t *this, listener_t *listener) { - iterator_t *iterator; + enumerator_t *enumerator; entry_t *entry; this->mutex->lock(this->mutex); - iterator = this->listeners->create_iterator(this->listeners, TRUE); - while (iterator->iterate(iterator, (void**)&entry)) + enumerator = this->listeners->create_enumerator(this->listeners); + while (enumerator->enumerate(enumerator, &entry)) { if (entry->listener == listener) { - iterator->remove(iterator); + this->listeners->remove_at(this->listeners, enumerator); entry_destroy(entry); break; } } - iterator->destroy(iterator); + enumerator->destroy(enumerator); this->mutex->unlock(this->mutex); } @@ -207,26 +205,14 @@ struct cleanup_data_t { */ static void listener_cleanup(cleanup_data_t *data) { - iterator_t *iterator; - entry_t *entry; - - iterator = data->this->listeners->create_iterator(data->this->listeners, TRUE); - while (iterator->iterate(iterator, (void**)&entry)) - { - if (entry == data->entry) - { - iterator->remove(iterator); - entry_destroy(entry); - break; - } - } - iterator->destroy(iterator); + data->this->listeners->remove(data->this->listeners, data->entry, NULL); + entry_destroy(data->entry); } /** * Implementation of bus_t.listen. */ -static void listen_(private_bus_t *this, bus_listener_t *listener, job_t *job) +static void listen_(private_bus_t *this, listener_t *listener, job_t *job) { int old; cleanup_data_t data; @@ -267,33 +253,31 @@ typedef struct { ike_sa_t *ike_sa; /** invoking thread */ long thread; - /** signal type */ - signal_t signal; - /** signal level */ + /** debug group */ + debug_t group; + /** debug level */ level_t level; - /** signal specific user data */ - void *user; /** format string */ char *format; /** argument list */ va_list args; -} signal_data_t; +} log_data_t; /** - * listener invocation as a list remove callback + * listener->log() invocation as a list remove callback */ -static bool signal_cb(entry_t *entry, signal_data_t *data) +static bool log_cb(entry_t *entry, log_data_t *data) { va_list args; - if (entry->calling) + if (entry->calling || !entry->listener->log) { /* avoid recursive calls */ return FALSE; } - entry->calling = TRUE; + entry->calling++; va_copy(args, data->args); - if (!entry->listener->signal(entry->listener, data->signal, data->level, - data->thread, data->ike_sa, data->user, data->format, args)) + if (!entry->listener->log(entry->listener, data->group, data->level, + data->thread, data->ike_sa, data->format, args)) { if (entry->blocker) { @@ -305,52 +289,238 @@ static bool signal_cb(entry_t *entry, signal_data_t *data) entry_destroy(entry); } va_end(args); - entry->calling = FALSE; + entry->calling--; return TRUE; } va_end(args); - entry->calling = FALSE; + entry->calling--; return FALSE; } /** - * Implementation of bus_t.vsignal. + * Implementation of bus_t.vlog. */ -static void vsignal(private_bus_t *this, signal_t signal, level_t level, - void *user, char* format, va_list args) +static void vlog(private_bus_t *this, debug_t group, level_t level, + char* format, va_list args) { - signal_data_t data; + log_data_t data; data.ike_sa = pthread_getspecific(this->thread_sa); data.thread = get_thread_number(this); - data.signal = signal; + data.group = group; data.level = level; - data.user = user; data.format = format; va_copy(data.args, args); this->mutex->lock(this->mutex); - /* we use the remove() method to invoke all listeners with small overhead */ - this->listeners->remove(this->listeners, &data, (void*)signal_cb); + /* We use the remove() method to invoke all listeners. This is cheap and + * does not require an allocation for this performance critical function. */ + this->listeners->remove(this->listeners, &data, (void*)log_cb); this->mutex->unlock(this->mutex); va_end(data.args); } /** - * Implementation of bus_t.signal. + * Implementation of bus_t.log. */ -static void signal_(private_bus_t *this, signal_t signal, level_t level, - void* data, char* format, ...) +static void log_(private_bus_t *this, debug_t group, level_t level, + char* format, ...) { va_list args; va_start(args, format); - vsignal(this, signal, level, data, format, args); + vlog(this, group, level, format, args); va_end(args); } /** + * unregister a listener + */ +static void unregister_listener(private_bus_t *this, entry_t *entry, + enumerator_t *enumerator) +{ + if (entry->blocker) + { + entry->blocker = FALSE; + entry->condvar->signal(entry->condvar); + } + else + { + entry_destroy(entry); + } + this->listeners->remove_at(this->listeners, enumerator); +} + +/** + * Implementation of bus_t.ike_state_change + */ +static void ike_state_change(private_bus_t *this, ike_sa_t *ike_sa, + ike_sa_state_t state) +{ + enumerator_t *enumerator; + entry_t *entry; + bool keep; + + this->mutex->lock(this->mutex); + enumerator = this->listeners->create_enumerator(this->listeners); + while (enumerator->enumerate(enumerator, &entry)) + { + if (entry->calling || !entry->listener->ike_state_change) + { + continue; + } + entry->calling++; + keep = entry->listener->ike_state_change(entry->listener, ike_sa, state); + entry->calling--; + if (!keep) + { + unregister_listener(this, entry, enumerator); + break; + } + } + enumerator->destroy(enumerator); + this->mutex->unlock(this->mutex); +} + +/** + * Implementation of bus_t.child_state_change + */ +static void child_state_change(private_bus_t *this, child_sa_t *child_sa, + child_sa_state_t state) +{ + enumerator_t *enumerator; + ike_sa_t *ike_sa; + entry_t *entry; + bool keep; + + ike_sa = pthread_getspecific(this->thread_sa); + + this->mutex->lock(this->mutex); + enumerator = this->listeners->create_enumerator(this->listeners); + while (enumerator->enumerate(enumerator, &entry)) + { + if (entry->calling || !entry->listener->child_state_change) + { + continue; + } + entry->calling++; + keep = entry->listener->child_state_change(entry->listener, ike_sa, + child_sa, state); + entry->calling--; + if (!keep) + { + unregister_listener(this, entry, enumerator); + break; + } + } + enumerator->destroy(enumerator); + this->mutex->unlock(this->mutex); +} + +/** + * Implementation of bus_t.message + */ +static void message(private_bus_t *this, message_t *message, bool incoming) +{ + enumerator_t *enumerator; + ike_sa_t *ike_sa; + entry_t *entry; + bool keep; + + ike_sa = pthread_getspecific(this->thread_sa); + + this->mutex->lock(this->mutex); + enumerator = this->listeners->create_enumerator(this->listeners); + while (enumerator->enumerate(enumerator, &entry)) + { + if (entry->calling || !entry->listener->message) + { + continue; + } + entry->calling++; + keep = entry->listener->message(entry->listener, ike_sa, + message, incoming); + entry->calling--; + if (!keep) + { + unregister_listener(this, entry, enumerator); + break; + } + } + enumerator->destroy(enumerator); + this->mutex->unlock(this->mutex); +} + +/** + * Implementation of bus_t.ike_keys + */ +static void ike_keys(private_bus_t *this, ike_sa_t *ike_sa, + diffie_hellman_t *dh, chunk_t nonce_i, chunk_t nonce_r, + ike_sa_t *rekey) +{ + enumerator_t *enumerator; + entry_t *entry; + bool keep; + + this->mutex->lock(this->mutex); + enumerator = this->listeners->create_enumerator(this->listeners); + while (enumerator->enumerate(enumerator, &entry)) + { + if (entry->calling || !entry->listener->ike_keys) + { + continue; + } + entry->calling++; + keep = entry->listener->ike_keys(entry->listener, ike_sa, dh, + nonce_i, nonce_r, rekey); + entry->calling--; + if (!keep) + { + unregister_listener(this, entry, enumerator); + break; + } + } + enumerator->destroy(enumerator); + this->mutex->unlock(this->mutex); +} + +/** + * Implementation of bus_t.child_keys + */ +static void child_keys(private_bus_t *this, child_sa_t *child_sa, + diffie_hellman_t *dh, chunk_t nonce_i, chunk_t nonce_r) +{ + enumerator_t *enumerator; + ike_sa_t *ike_sa; + entry_t *entry; + bool keep; + + ike_sa = pthread_getspecific(this->thread_sa); + + this->mutex->lock(this->mutex); + enumerator = this->listeners->create_enumerator(this->listeners); + while (enumerator->enumerate(enumerator, &entry)) + { + if (entry->calling || !entry->listener->child_keys) + { + continue; + } + entry->calling++; + keep = entry->listener->child_keys(entry->listener, ike_sa, child_sa, + dh, nonce_i, nonce_r); + entry->calling--; + if (!keep) + { + unregister_listener(this, entry, enumerator); + break; + } + } + enumerator->destroy(enumerator); + this->mutex->unlock(this->mutex); +} + +/** * Implementation of bus_t.destroy. */ static void destroy(private_bus_t *this) @@ -367,16 +537,21 @@ bus_t *bus_create() { private_bus_t *this = malloc_thing(private_bus_t); - this->public.add_listener = (void(*)(bus_t*,bus_listener_t*))add_listener; - this->public.remove_listener = (void(*)(bus_t*,bus_listener_t*))remove_listener; - this->public.listen = (void(*)(bus_t*, bus_listener_t *listener, job_t *job))listen_; + this->public.add_listener = (void(*)(bus_t*,listener_t*))add_listener; + this->public.remove_listener = (void(*)(bus_t*,listener_t*))remove_listener; + this->public.listen = (void(*)(bus_t*, listener_t *listener, job_t *job))listen_; this->public.set_sa = (void(*)(bus_t*,ike_sa_t*))set_sa; - this->public.signal = (void(*)(bus_t*,signal_t,level_t,void*,char*,...))signal_; - this->public.vsignal = (void(*)(bus_t*,signal_t,level_t,void*,char*,va_list))vsignal; + this->public.log = (void(*)(bus_t*,debug_t,level_t,char*,...))log_; + this->public.vlog = (void(*)(bus_t*,debug_t,level_t,char*,va_list))vlog; + this->public.ike_state_change = (void(*)(bus_t*,ike_sa_t*,ike_sa_state_t))ike_state_change; + this->public.child_state_change = (void(*)(bus_t*,child_sa_t*,child_sa_state_t))child_state_change; + this->public.message = (void(*)(bus_t*, message_t *message, bool incoming))message; + this->public.ike_keys = (void(*)(bus_t*, ike_sa_t *ike_sa, diffie_hellman_t *dh, chunk_t nonce_i, chunk_t nonce_r, ike_sa_t *rekey))ike_keys; + this->public.child_keys = (void(*)(bus_t*, child_sa_t *child_sa, diffie_hellman_t *dh, chunk_t nonce_i, chunk_t nonce_r))child_keys; this->public.destroy = (void(*)(bus_t*)) destroy; this->listeners = linked_list_create(); - this->mutex = mutex_create(MUTEX_DEFAULT); + this->mutex = mutex_create(MUTEX_RECURSIVE); pthread_key_create(&this->thread_id, NULL); pthread_key_create(&this->thread_sa, NULL); diff --git a/src/charon/bus/bus.h b/src/charon/bus/bus.h index db417064f..383678488 100644 --- a/src/charon/bus/bus.h +++ b/src/charon/bus/bus.h @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: bus.h 4192 2008-07-18 15:51:40Z martin $ + * $Id: bus.h 4622 2008-11-11 10:52:37Z martin $ */ /** @@ -23,9 +23,9 @@ #ifndef BUS_H_ #define BUS_H_ -typedef enum signal_t signal_t; +typedef enum debug_t debug_t; typedef enum level_t level_t; -typedef struct bus_listener_t bus_listener_t; +typedef struct listener_t listener_t; typedef struct bus_t bus_t; #include <stdarg.h> @@ -34,145 +34,87 @@ typedef struct bus_t bus_t; #include <sa/child_sa.h> #include <processing/jobs/job.h> - /** - * signals emitted by the daemon. - * - * Signaling is for different purporses. First, it allows debugging via - * "debugging signal messages", sencondly, it allows to follow certain - * mechanisms currently going on in the daemon. As we are multithreaded, - * and multiple transactions are involved, it's not possible to follow - * one connection setup without further infrastructure. These infrastructure - * is provided by the bus and the signals the daemon emits to the bus. - * - * There are different scenarios to follow these signals, but all have - * the same scheme. First, a START signal is emitted to indicate the daemon - * has started to do something. After a start signal, a SUCCESS or a FAILED - * signal of the same type follows. This allows to track the operation. Any - * Debug signal betwee a START and a SUCCESS/FAILED belongs to that operation - * if the IKE_SA is the same. The thread may change, as multiple threads - * may be involved in a complex scenario. + * Debug message group. */ -enum signal_t { - /** pseudo signal, representing any other signal */ - SIG_ANY, - - /** debugging message from daemon main loop */ +enum debug_t { + /** daemon main loop */ DBG_DMN, - /** debugging message from IKE_SA_MANAGER */ + /** IKE_SA_MANAGER */ DBG_MGR, - /** debugging message from an IKE_SA */ + /** IKE_SA */ DBG_IKE, - /** debugging message from a CHILD_SA */ + /** CHILD_SA */ DBG_CHD, - /** debugging message from job processing */ + /** job processing */ DBG_JOB, - /** debugging message from configuration backends */ + /** configuration backends */ DBG_CFG, - /** debugging message from kernel interface */ + /** kernel interface */ DBG_KNL, - /** debugging message from networking */ + /** networking/sockets */ DBG_NET, - /** debugging message from message encoding/decoding */ + /** message encoding/decoding */ DBG_ENC, - /** debugging message from libstrongswan via logging hook */ + /** libstrongswan via logging hook */ DBG_LIB, - - /** number of debug signals */ + /** number of groups */ DBG_MAX, - - /** signals for IKE_SA establishment */ - IKE_UP_START, - IKE_UP_SUCCESS, - IKE_UP_FAILED, - - /** signals for IKE_SA delete */ - IKE_DOWN_START, - IKE_DOWN_SUCCESS, - IKE_DOWN_FAILED, - - /** signals for IKE_SA rekeying */ - IKE_REKEY_START, - IKE_REKEY_SUCCESS, - IKE_REKEY_FAILED, - - /** signals for CHILD_SA establishment */ - CHD_UP_START, - CHD_UP_SUCCESS, - CHD_UP_FAILED, - - /** signals for CHILD_SA delete */ - CHD_DOWN_START, - CHD_DOWN_SUCCESS, - CHD_DOWN_FAILED, - - /** signals for CHILD_SA rekeying */ - CHD_REKEY_START, - CHD_REKEY_SUCCESS, - CHD_REKEY_FAILED, - - /** signals for CHILD_SA routing */ - CHD_ROUTE_START, - CHD_ROUTE_SUCCESS, - CHD_ROUTE_FAILED, - - /** signals for CHILD_SA routing */ - CHD_UNROUTE_START, - CHD_UNROUTE_SUCCESS, - CHD_UNROUTE_FAILED, - - SIG_MAX + /** pseudo group with all groups */ + DBG_ANY = DBG_MAX, }; /** - * short names of signals using 3 chars + * short names of debug message group. */ -extern enum_name_t *signal_names; +extern enum_name_t *debug_names; /** - * Signal levels used to control output verbosity. + * short names of debug message group, lower case. + */ +extern enum_name_t *debug_lower_names; + +/** + * Debug levels used to control output verbosity. */ enum level_t { - /** numerical levels from 0 to 4 */ - LEVEL_0 = 0, - LEVEL_1 = 1, - LEVEL_2 = 2, - LEVEL_3 = 3, - LEVEL_4 = 4, - /** absolutely silent, no signal is emitted with this level */ - LEVEL_SILENT = -1, - /** alias for numberical levels */ - LEVEL_AUDIT = LEVEL_0, - LEVEL_CTRL = LEVEL_1, - LEVEL_CTRLMORE = LEVEL_2, - LEVEL_RAW = LEVEL_3, - LEVEL_PRIVATE = LEVEL_4, + /** absolutely silent */ + LEVEL_SILENT = -1, + /** most important auditing logs */ + LEVEL_AUDIT = 0, + /** control flow */ + LEVEL_CTRL = 1, + /** diagnose problems */ + LEVEL_DIAG = 2, + /** raw binary blobs */ + LEVEL_RAW = 3, + /** including sensitive data (private keys) */ + LEVEL_PRIVATE = 4, }; #ifndef DEBUG_LEVEL # define DEBUG_LEVEL 4 #endif /* DEBUG_LEVEL */ +#if DEBUG_LEVEL >= 0 +#define DBG0(group, format, ...) charon->bus->log(charon->bus, group, 0, format, ##__VA_ARGS__) +#endif /* DEBUG_LEVEL >= 0 */ #if DEBUG_LEVEL >= 1 -/** - * Log a debug message via the signal bus. - * - * @param signal signal_t signal description - * @param format printf() style format string - * @param ... printf() style agument list - */ -# define DBG1(sig, format, ...) charon->bus->signal(charon->bus, sig, LEVEL_1, NULL, format, ##__VA_ARGS__) -#endif /* DEBUG_LEVEL */ +#define DBG1(group, format, ...) charon->bus->log(charon->bus, group, 1, format, ##__VA_ARGS__) +#endif /* DEBUG_LEVEL >= 1 */ #if DEBUG_LEVEL >= 2 -#define DBG2(sig, format, ...) charon->bus->signal(charon->bus, sig, LEVEL_2, NULL, format, ##__VA_ARGS__) -#endif /* DEBUG_LEVEL */ +#define DBG2(group, format, ...) charon->bus->log(charon->bus, group, 2, format, ##__VA_ARGS__) +#endif /* DEBUG_LEVEL >= 2 */ #if DEBUG_LEVEL >= 3 -#define DBG3(sig, format, ...) charon->bus->signal(charon->bus, sig, LEVEL_3, NULL, format, ##__VA_ARGS__) -#endif /* DEBUG_LEVEL */ +#define DBG3(group, format, ...) charon->bus->log(charon->bus, group, 3, format, ##__VA_ARGS__) +#endif /* DEBUG_LEVEL >= 3 */ #if DEBUG_LEVEL >= 4 -#define DBG4(sig, format, ...) charon->bus->signal(charon->bus, sig, LEVEL_4, NULL, format, ##__VA_ARGS__) -#endif /* DEBUG_LEVEL */ +#define DBG4(group, format, ...) charon->bus->log(charon->bus, group, 4, format, ##__VA_ARGS__) +#endif /* DEBUG_LEVEL >= 4 */ +#ifndef DBG0 +# define DBG0(...) {} +#endif /* DBG0 */ #ifndef DBG1 # define DBG1(...) {} #endif /* DBG1 */ @@ -186,101 +128,115 @@ enum level_t { # define DBG4(...) {} #endif /* DBG4 */ -/** - * Raise a signal for an IKE_SA event. - * - * @param sig signal_t signal description - * @param format printf() style format string - * @param ... printf() style agument list - */ -#define SIG_IKE(sig, format, ...) charon->bus->signal(charon->bus, IKE_##sig, LEVEL_0, NULL, format, ##__VA_ARGS__) /** - * Raise a signal for an IKE event. - * - * @param sig signal_t signal description - * @param format printf() style format string - * @param ... printf() style agument list - */ -#define SIG_CHD(sig, chd, format, ...) charon->bus->signal(charon->bus, CHD_##sig, LEVEL_0, chd, format, ##__VA_ARGS__) - -/** - * Get the type of a signal. - * - * A signal may be a debugging signal with a specific context. They have - * a level specific for their context > 0. All audit signals use the - * type 0. This allows filtering of singals by their type. - * - * @param signal signal to get the type from - * @return type of the signal, between 0..(DBG_MAX-1) - */ -#define SIG_TYPE(sig) (sig > DBG_MAX ? SIG_ANY : sig) - - -/** - * Interface for registering at the signal bus. - * - * To receive signals from the bus, the client implementing the - * bus_listener_t interface registers itself at the signal bus. + * Listener interface, listens to events if registered to the bus. */ -struct bus_listener_t { +struct listener_t { /** - * Send a signal to a bus listener. + * Log a debugging message. * - * A numerical identification for the thread is included, as the - * associated IKE_SA, if any. Signal specifies the type of - * the event occured. The format string specifies - * an additional informational or error message with a printf() like - * variable argument list. This is in the va_list form, as forwarding - * a "..." parameters to functions is not (cleanly) possible. * The implementing signal function returns TRUE to stay registered * to the bus, or FALSE to unregister itself. - * Calling bus_t.signal() inside of a registered listener is possible, + * Calling bus_t.log() inside of a registered listener is possible, * but the bus does not invoke listeners recursively. * * @param singal kind of the signal (up, down, rekeyed, ...) * @param level verbosity level of the signal * @param thread ID of the thread raised this signal * @param ike_sa IKE_SA associated to the event - * @param data additional signal specific user data * @param format printf() style format string * @param args vprintf() style va_list argument list " @return TRUE to stay registered, FALSE to unregister */ - bool (*signal) (bus_listener_t *this, signal_t signal, level_t level, - int thread, ike_sa_t *ike_sa, void *data, - char* format, va_list args); + bool (*log) (listener_t *this, debug_t group, level_t level, int thread, + ike_sa_t *ike_sa, char* format, va_list args); + + /** + * Handle state changes in an IKE_SA. + * + * @param ike_sa IKE_SA which changes its state + * @param state new IKE_SA state this IKE_SA changes to + * @return TRUE to stay registered, FALSE to unregister + */ + bool (*ike_state_change)(listener_t *this, ike_sa_t *ike_sa, + ike_sa_state_t state); + + /** + * Handle state changes in a CHILD_SA. + * + * @param ike_sa IKE_SA containing the affected CHILD_SA + * @param child_sa CHILD_SA which changes its state + * @param state new CHILD_SA state this CHILD_SA changes to + * @return TRUE to stay registered, FALSE to unregister + */ + bool (*child_state_change)(listener_t *this, ike_sa_t *ike_sa, + child_sa_t *child_sa, child_sa_state_t state); + + /** + * Hook called for received/sent messages of an IKE_SA. + * + * @param ike_sa IKE_SA sending/receving a message + * @param message message object + * @param incoming TRUE for incoming messages, FALSE for outgoing + * @return TRUE to stay registered, FALSE to unregister + */ + bool (*message)(listener_t *this, ike_sa_t *ike_sa, message_t *message, + bool incoming); + + /** + * Hook called with IKE_SA key material. + * + * @param ike_sa IKE_SA this keymat belongs to + * @param dh diffie hellman shared secret + * @param nonce_i initiators nonce + * @param nonce_r responders nonce + * @param rekey IKE_SA we are rekeying, if any + * @return TRUE to stay registered, FALSE to unregister + */ + bool (*ike_keys)(listener_t *this, ike_sa_t *ike_sa, diffie_hellman_t *dh, + chunk_t nonce_i, chunk_t nonce_r, ike_sa_t *rekey); + + /** + * Hook called with CHILD_SA key material. + * + * @param ike_sa IKE_SA the child sa belongs to + * @param child_sa CHILD_SA this keymat is used for + * @param dh diffie hellman shared secret + * @param nonce_i initiators nonce + * @param nonce_r responders nonce + * @return TRUE to stay registered, FALSE to unregister + */ + bool (*child_keys)(listener_t *this, ike_sa_t *ike_sa, child_sa_t *child_sa, + diffie_hellman_t *dh, chunk_t nonce_i, chunk_t nonce_r); }; /** - * Signal bus which sends signals to registered listeners. + * The bus receives events and sends them to all registered listeners. * - * The signal bus is not much more than a multiplexer. A listener interested - * in receiving event signals registers at the bus. Any signals sent to - * are delivered to all registered listeners. - * To deliver signals to threads, the blocking listen() call may be used - * to wait for a signal. + * Any events sent to are delivered to all registered listeners. Threads + * may wait actively to events using the blocking listen() call. */ struct bus_t { /** * Register a listener to the bus. * - * A registered listener receives all signals which are sent to the bus. - * The listener is passive; the thread which emitted the signal + * A registered listener receives all events which are sent to the bus. + * The listener is passive; the thread which emitted the event * processes the listener routine. * * @param listener listener to register. */ - void (*add_listener) (bus_t *this, bus_listener_t *listener); + void (*add_listener) (bus_t *this, listener_t *listener); /** * Unregister a listener from the bus. * * @param listener listener to unregister. */ - void (*remove_listener) (bus_t *this, bus_listener_t *listener); + void (*remove_listener) (bus_t *this, listener_t *listener); /** * Register a listener and block the calling thread. @@ -288,69 +244,109 @@ struct bus_t { * This call registers a listener and blocks the calling thread until * its listeners function returns FALSE. This allows to wait for certain * events. The associated job is executed after the listener has been - * registered, this allows to listen on events we initiate with the job - * without missing any signals. + * registered: This allows to listen on events we initiate with the job, + * without missing any events to job may fire. * * @param listener listener to register * @param job job to execute asynchronously when registered, or NULL */ - void (*listen)(bus_t *this, bus_listener_t *listener, job_t *job); + void (*listen)(bus_t *this, listener_t *listener, job_t *job); /** * Set the IKE_SA the calling thread is using. * - * To associate an received signal to an IKE_SA without passing it as - * parameter each time, the thread registers it's used IKE_SA each - * time it checked it out. Before checking it in, the thread unregisters - * the IKE_SA (by passing NULL). This IKE_SA is stored per-thread, so each - * thread has one IKE_SA registered (or not). + * To associate an received log message to an IKE_SA without passing it as + * parameter each time, the thread registers the currenlty used IKE_SA + * during check-out. Before check-in, the thread unregisters the IKE_SA. + * This IKE_SA is stored per-thread, so each thread has its own IKE_SA + * registered. * * @param ike_sa ike_sa to register, or NULL to unregister */ void (*set_sa) (bus_t *this, ike_sa_t *ike_sa); /** - * Send a signal to the bus. + * Send a log message to the bus. * * The signal specifies the type of the event occured. The format string * specifies an additional informational or error message with a * printf() like variable argument list. - * Some useful macros are available to shorten this call. - * @see SIG(), DBG1() + * Use the DBG() macros. * - * @param singal kind of the signal (up, down, rekeyed, ...) + * @param group debugging group * @param level verbosity level of the signal - * @param data additional signal specific user data * @param format printf() style format string * @param ... printf() style argument list */ - void (*signal) (bus_t *this, signal_t signal, level_t level, - void *data, char* format, ...); + void (*log)(bus_t *this, debug_t group, level_t level, char* format, ...); /** - * Send a signal to the bus using va_list arguments. + * Send a log message to the bus using va_list arguments. * * Same as bus_t.signal(), but uses va_list argument list. * - * @param singal kind of the signal (up, down, rekeyed, ...) + * @param group kind of the signal (up, down, rekeyed, ...) * @param level verbosity level of the signal - * @param data additional signal specific user data * @param format printf() style format string * @param args va_list arguments */ - void (*vsignal) (bus_t *this, signal_t signal, level_t level, - void *data, char* format, va_list args); + void (*vlog)(bus_t *this, debug_t group, level_t level, + char* format, va_list args); + /** + * Send a IKE_SA state change event to the bus. + * + * @param ike_sa IKE_SA which changes its state + * @param state new state IKE_SA changes to + */ + void (*ike_state_change)(bus_t *this, ike_sa_t *ike_sa, + ike_sa_state_t state); + /** + * Send a CHILD_SA state change event to the bus. + * + * @param child_sa CHILD_SA which changes its state + * @param state new state CHILD_SA changes to + */ + void (*child_state_change)(bus_t *this, child_sa_t *child_sa, + child_sa_state_t state); + /** + * Message send/receive hook. + * + * @param message message to send/receive + * @param incoming TRUE for incoming messages, FALSE for outgoing + */ + void (*message)(bus_t *this, message_t *message, bool incoming); /** - * Destroy the signal bus. + * IKE_SA keymat hook. + * + * @param ike_sa IKE_SA this keymat belongs to + * @param dh diffie hellman shared secret + * @param nonce_i initiators nonce + * @param nonce_r responders nonce + * @param rekey IKE_SA we are rekeying, if any + */ + void (*ike_keys)(bus_t *this, ike_sa_t *ike_sa, diffie_hellman_t *dh, + chunk_t nonce_i, chunk_t nonce_r, ike_sa_t *rekey); + /** + * CHILD_SA keymat hook. + * + * @param child_sa CHILD_SA this keymat is used for + * @param dh diffie hellman shared secret + * @param nonce_i initiators nonce + * @param nonce_r responders nonce + */ + void (*child_keys)(bus_t *this, child_sa_t *child_sa, diffie_hellman_t *dh, + chunk_t nonce_i, chunk_t nonce_r); + /** + * Destroy the event bus. */ void (*destroy) (bus_t *this); }; /** - * Create the signal bus which multiplexes signals to its listeners. + * Create the event bus which forwards events to its listeners. * - * @return signal bus instance + * @return event bus instance */ bus_t *bus_create(); diff --git a/src/charon/bus/listeners/file_logger.c b/src/charon/bus/listeners/file_logger.c index 8a7f66360..4259630ec 100644 --- a/src/charon/bus/listeners/file_logger.c +++ b/src/charon/bus/listeners/file_logger.c @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: file_logger.c 4192 2008-07-18 15:51:40Z martin $ + * $Id: file_logger.c 4622 2008-11-11 10:52:37Z martin $ */ #include <stdio.h> @@ -39,20 +39,18 @@ struct private_file_logger_t { FILE *out; /** - * Maximum level to log + * Maximum level to log, for each group */ level_t levels[DBG_MAX]; }; - /** - * Implementation of bus_listener_t.signal. + * Implementation of bus_listener_t.log. */ -static bool signal_(private_file_logger_t *this, signal_t signal, level_t level, - int thread, ike_sa_t* ike_sa, void *data, - char *format, va_list args) +static bool log_(private_file_logger_t *this, debug_t group, level_t level, + int thread, ike_sa_t* ike_sa, char *format, va_list args) { - if (level <= this->levels[SIG_TYPE(signal)]) + if (level <= this->levels[group]) { char buffer[8192]; char *current = buffer, *next; @@ -68,7 +66,8 @@ static bool signal_(private_file_logger_t *this, signal_t signal, level_t level, { *(next++) = '\0'; } - fprintf(this->out, "%.2d[%N] %s\n", thread, signal_names, signal, current); + fprintf(this->out, "%.2d[%N] %s\n", + thread, debug_names, group, current); current = next; } } @@ -79,20 +78,18 @@ static bool signal_(private_file_logger_t *this, signal_t signal, level_t level, /** * Implementation of file_logger_t.set_level. */ -static void set_level(private_file_logger_t *this, signal_t signal, level_t level) +static void set_level(private_file_logger_t *this, debug_t group, level_t level) { - if (signal == SIG_ANY) + if (group < DBG_ANY) { - int i; - for (i = 0; i < DBG_MAX; i++) - { - this->levels[i] = level; - } + this->levels[group] = level; } else { - - this->levels[SIG_TYPE(signal)] = level; + for (group = 0; group < DBG_MAX; group++) + { + this->levels[group] = level; + } } } @@ -101,6 +98,10 @@ static void set_level(private_file_logger_t *this, signal_t signal, level_t leve */ static void destroy(private_file_logger_t *this) { + if (this->out != stdout && this->out != stderr) + { + fclose(this->out); + } free(this); } @@ -112,13 +113,15 @@ file_logger_t *file_logger_create(FILE *out) private_file_logger_t *this = malloc_thing(private_file_logger_t); /* public functions */ - this->public.listener.signal = (bool(*)(bus_listener_t*,signal_t,level_t,int,ike_sa_t*,void*,char*,va_list))signal_; - this->public.set_level = (void(*)(file_logger_t*,signal_t,level_t))set_level; + memset(&this->public.listener, 0, sizeof(listener_t)); + this->public.listener.log = (bool(*)(listener_t*,debug_t,level_t,int,ike_sa_t*,char*,va_list))log_; + this->public.set_level = (void(*)(file_logger_t*,debug_t,level_t))set_level; this->public.destroy = (void(*)(file_logger_t*))destroy; /* private variables */ this->out = out; - set_level(this, SIG_ANY, LEVEL_SILENT); + set_level(this, DBG_ANY, LEVEL_SILENT); return &this->public; } + diff --git a/src/charon/bus/listeners/file_logger.h b/src/charon/bus/listeners/file_logger.h index 86b79c002..18a7c9765 100644 --- a/src/charon/bus/listeners/file_logger.h +++ b/src/charon/bus/listeners/file_logger.h @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: file_logger.h 3589 2008-03-13 14:14:44Z martin $ + * $Id: file_logger.h 4434 2008-10-14 08:52:13Z martin $ */ /** @@ -28,22 +28,22 @@ typedef struct file_logger_t file_logger_t; #include <bus/bus.h> /** - * Logger to files which implements bus_listener_t. + * Logger to files which implements listener_t. */ struct file_logger_t { /** - * Implements the bus_listener_t interface. + * Implements the listener_t interface. */ - bus_listener_t listener; + listener_t listener; /** - * Set the loglevel for a signal type. + * Set the loglevel for a debug group. * - * @param singal type of signal + * @param group debug group to set * @param level max level to log (0..4) */ - void (*set_level) (file_logger_t *this, signal_t signal, level_t level); + void (*set_level) (file_logger_t *this, debug_t group, level_t level); /** * Destroys a file_logger_t object. diff --git a/src/charon/bus/listeners/sys_logger.c b/src/charon/bus/listeners/sys_logger.c index 4f5b6fc3b..37dbce926 100644 --- a/src/charon/bus/listeners/sys_logger.c +++ b/src/charon/bus/listeners/sys_logger.c @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: sys_logger.c 4192 2008-07-18 15:51:40Z martin $ + * $Id: sys_logger.c 4434 2008-10-14 08:52:13Z martin $ */ #include <stdio.h> @@ -40,20 +40,18 @@ struct private_sys_logger_t { int facility; /** - * Maximum level to log + * Maximum level to log, for each group */ level_t levels[DBG_MAX]; }; - /** - * Implementation of bus_listener_t.signal. + * Implementation of listener_t.log. */ -static bool signal_(private_sys_logger_t *this, signal_t signal, level_t level, - int thread, ike_sa_t* ike_sa, void *data, - char *format, va_list args) +static bool log_(private_sys_logger_t *this, debug_t group, level_t level, + int thread, ike_sa_t* ike_sa, char *format, va_list args) { - if (level <= this->levels[SIG_TYPE(signal)]) + if (level <= this->levels[group]) { char buffer[8192]; char *current = buffer, *next; @@ -70,7 +68,7 @@ static bool signal_(private_sys_logger_t *this, signal_t signal, level_t level, *(next++) = '\0'; } syslog(this->facility|LOG_INFO, "%.2d[%N] %s\n", - thread, signal_names, signal, current); + thread, debug_names, group, current); current = next; } } @@ -81,20 +79,18 @@ static bool signal_(private_sys_logger_t *this, signal_t signal, level_t level, /** * Implementation of sys_logger_t.set_level. */ -static void set_level(private_sys_logger_t *this, signal_t signal, level_t level) +static void set_level(private_sys_logger_t *this, debug_t group, level_t level) { - if (signal == SIG_ANY) + if (group < DBG_ANY) { - int i; - for (i = 0; i < DBG_MAX; i++) - { - this->levels[i] = level; - } + this->levels[group] = level; } else { - - this->levels[SIG_TYPE(signal)] = level; + for (group = 0; group < DBG_MAX; group++) + { + this->levels[group] = level; + } } } @@ -115,13 +111,14 @@ sys_logger_t *sys_logger_create(int facility) private_sys_logger_t *this = malloc_thing(private_sys_logger_t); /* public functions */ - this->public.listener.signal = (bool(*)(bus_listener_t*,signal_t,level_t,int,ike_sa_t*,void*,char*,va_list))signal_; - this->public.set_level = (void(*)(sys_logger_t*,signal_t,level_t))set_level; + memset(&this->public.listener, 0, sizeof(listener_t)); + this->public.listener.log = (bool(*)(listener_t*,debug_t,level_t,int,ike_sa_t*,char*,va_list))log_; + this->public.set_level = (void(*)(sys_logger_t*,debug_t,level_t))set_level; this->public.destroy = (void(*)(sys_logger_t*))destroy; /* private variables */ this->facility = facility; - set_level(this, SIG_ANY, LEVEL_SILENT); + set_level(this, DBG_ANY, LEVEL_SILENT); return &this->public; } diff --git a/src/charon/bus/listeners/sys_logger.h b/src/charon/bus/listeners/sys_logger.h index 0aade375a..08cf4dd63 100644 --- a/src/charon/bus/listeners/sys_logger.h +++ b/src/charon/bus/listeners/sys_logger.h @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: sys_logger.h 3589 2008-03-13 14:14:44Z martin $ + * $Id: sys_logger.h 4434 2008-10-14 08:52:13Z martin $ */ /** @@ -30,22 +30,22 @@ typedef struct sys_logger_t sys_logger_t; #include <bus/bus.h> /** - * Logger for syslog which implements bus_listener_t. + * Logger for syslog which implements listener_t. */ struct sys_logger_t { /** - * Implements the bus_listener_t interface. + * Implements the listener_t interface. */ - bus_listener_t listener; + listener_t listener; /** - * Set the loglevel for a signal type. + * Set the loglevel for a debug group. * - * @param singal type of signal - * @param level max level to log + * @param group debug group to set + * @param level max level to log (0..4) */ - void (*set_level) (sys_logger_t *this, signal_t signal, level_t level); + void (*set_level) (sys_logger_t *this, debug_t group, level_t level); /** * Destroys a sys_logger_t object. diff --git a/src/charon/config/backend_manager.c b/src/charon/config/backend_manager.c index c2b408ca9..3f92ee96a 100644 --- a/src/charon/config/backend_manager.c +++ b/src/charon/config/backend_manager.c @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: backend_manager.c 4134 2008-07-01 11:10:37Z martin $ + * $Id: backend_manager.c 4610 2008-11-11 06:19:37Z andreas $ */ #include "backend_manager.h" @@ -175,7 +175,7 @@ static ike_cfg_t *get_ike_cfg(private_backend_manager_t *this, data->me = me; data->other = other; - DBG2(DBG_CFG, "looking for a config for %H...%H", me, other); + DBG2(DBG_CFG, "looking for an ike config for %H...%H", me, other); this->mutex->lock(this->mutex); enumerator = enumerator_create_nested( @@ -188,8 +188,8 @@ static ike_cfg_t *get_ike_cfg(private_backend_manager_t *this, if (match) { DBG2(DBG_CFG, " candidate: %s...%s, prio %d", - current->get_my_addr(current), current->get_other_addr(current), - match); + current->get_my_addr(current), + current->get_other_addr(current), match); if (match > best) { DESTROY_IF(found); @@ -201,6 +201,11 @@ static ike_cfg_t *get_ike_cfg(private_backend_manager_t *this, } enumerator->destroy(enumerator); this->mutex->unlock(this->mutex); + if (found) + { + DBG2(DBG_CFG, "found matching ike config: %s...%s with prio %d", + found->get_my_addr(found), found->get_other_addr(found), best); + } return found; } @@ -227,7 +232,7 @@ static peer_cfg_t *get_peer_cfg(private_backend_manager_t *this, host_t *me, ike_cfg_match_t best_ike = MATCH_NONE; peer_data_t *data; - DBG2(DBG_CFG, "looking for a config for %H[%D]...%H[%D]", + DBG2(DBG_CFG, "looking for a peer config for %H[%D]...%H[%D]", me, my_id, other, other_id); data = malloc_thing(peer_data_t); @@ -262,7 +267,7 @@ static peer_cfg_t *get_peer_cfg(private_backend_manager_t *this, host_t *me, if (m1 && m2 && match_ike && auth->complies(auth, current->get_auth(current))) { - DBG2(DBG_CFG, " candidate '%s': %D...%D, prio %d.%d", + DBG2(DBG_CFG, " candidate \"%s\": %D...%D with prio %d.%d", current->get_name(current), my_cand, other_cand, match_peer, match_ike); if (match_peer >= best_peer && match_ike > best_ike) @@ -277,7 +282,7 @@ static peer_cfg_t *get_peer_cfg(private_backend_manager_t *this, host_t *me, } if (found) { - DBG1(DBG_CFG, "found matching config \"%s\": %D...%D, prio %d.%d", + DBG1(DBG_CFG, "found matching peer config \"%s\": %D...%D with prio %d.%d", found->get_name(found), found->get_my_id(found), found->get_other_id(found), best_peer, best_ike); } diff --git a/src/charon/config/child_cfg.c b/src/charon/config/child_cfg.c index 24242345b..ab083b212 100644 --- a/src/charon/config/child_cfg.c +++ b/src/charon/config/child_cfg.c @@ -14,7 +14,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: child_cfg.c 4358 2008-09-25 13:56:23Z tobias $ + * $Id: child_cfg.c 4611 2008-11-11 06:29:25Z andreas $ */ #include "child_cfg.h" @@ -118,10 +118,20 @@ struct private_child_cfg_t { * enable IPComp */ bool use_ipcomp; + + /** + * set up IPsec transport SA in MIPv6 proxy mode + */ + bool proxy_mode; + + /** + * enable installation and removal of kernel IPsec policies + */ + bool install_policy; }; /** - * Implementation of child_cfg_t.get_name + * Implementation of child_cfg_t.get_name. */ static char *get_name(private_child_cfg_t *this) { @@ -129,7 +139,7 @@ static char *get_name(private_child_cfg_t *this) } /** - * Implementation of child_cfg_t.add_proposal + * Implementation of child_cfg_t.add_proposal. */ static void add_proposal(private_child_cfg_t *this, proposal_t *proposal) { @@ -137,7 +147,7 @@ static void add_proposal(private_child_cfg_t *this, proposal_t *proposal) } /** - * Implementation of child_cfg_t.get_proposals + * Implementation of child_cfg_t.get_proposals. */ static linked_list_t* get_proposals(private_child_cfg_t *this, bool strip_dh) { @@ -161,7 +171,7 @@ static linked_list_t* get_proposals(private_child_cfg_t *this, bool strip_dh) } /** - * Implementation of child_cfg_t.get_name + * Implementation of child_cfg_t.select_proposal. */ static proposal_t* select_proposal(private_child_cfg_t*this, linked_list_t *proposals, bool strip_dh) @@ -210,7 +220,7 @@ static proposal_t* select_proposal(private_child_cfg_t*this, } /** - * Implementation of child_cfg_t.get_name + * Implementation of child_cfg_t.add_traffic_selector. */ static void add_traffic_selector(private_child_cfg_t *this, bool local, traffic_selector_t *ts) @@ -226,7 +236,7 @@ static void add_traffic_selector(private_child_cfg_t *this, bool local, } /** - * Implementation of child_cfg_t.get_name + * Implementation of child_cfg_t.get_traffic_selectors. */ static linked_list_t* get_traffic_selectors(private_child_cfg_t *this, bool local, linked_list_t *supplied, @@ -337,7 +347,36 @@ static linked_list_t* get_traffic_selectors(private_child_cfg_t *this, bool loca } /** - * Implementation of child_cfg_t.get_name + * Implementation of child_cfg_t.equal_traffic_selectors. + */ +bool equal_traffic_selectors(private_child_cfg_t *this, bool local, + linked_list_t *ts_list, host_t *host) +{ + linked_list_t *this_list; + traffic_selector_t *this_ts, *ts; + bool result; + + this_list = (local) ? this->my_ts : this->other_ts; + + /* currently equality is established for single traffic selectors only */ + if (this_list->get_count(this_list) != 1 || ts_list->get_count(ts_list) != 1) + { + return FALSE; + } + + this_list->get_first(this_list, (void**)&this_ts); + this_ts = this_ts->clone(this_ts); + this_ts->set_address(this_ts, host); + ts_list->get_first(ts_list, (void**)&ts); + + result = ts->equals(ts, this_ts); + + this_ts->destroy(this_ts); + return result; +} + +/** + * Implementation of child_cfg_t.get_updown. */ static char* get_updown(private_child_cfg_t *this) { @@ -345,7 +384,7 @@ static char* get_updown(private_child_cfg_t *this) } /** - * Implementation of child_cfg_t.get_name + * Implementation of child_cfg_t.get_hostaccess. */ static bool get_hostaccess(private_child_cfg_t *this) { @@ -353,7 +392,7 @@ static bool get_hostaccess(private_child_cfg_t *this) } /** - * Implementation of child_cfg_t.get_name + * Implementation of child_cfg_t.get_lifetime. */ static u_int32_t get_lifetime(private_child_cfg_t *this, bool rekey) { @@ -369,7 +408,7 @@ static u_int32_t get_lifetime(private_child_cfg_t *this, bool rekey) } /** - * Implementation of child_cfg_t.get_mode + * Implementation of child_cfg_t.get_mode. */ static ipsec_mode_t get_mode(private_child_cfg_t *this) { @@ -377,7 +416,7 @@ static ipsec_mode_t get_mode(private_child_cfg_t *this) } /** - * Implementation of child_cfg_t.get_dpd_action + * Implementation of child_cfg_t.get_dpd_action. */ static action_t get_dpd_action(private_child_cfg_t *this) { @@ -385,7 +424,7 @@ static action_t get_dpd_action(private_child_cfg_t *this) } /** - * Implementation of child_cfg_t.get_close_action + * Implementation of child_cfg_t.get_close_action. */ static action_t get_close_action(private_child_cfg_t *this) { @@ -422,7 +461,33 @@ static bool use_ipcomp(private_child_cfg_t *this) } /** - * Implementation of child_cfg_t.get_name + * Implementation of child_cfg_t.set_mipv6_options. + */ +static void set_mipv6_options(private_child_cfg_t *this, bool proxy_mode, + bool install_policy) +{ + this->proxy_mode = proxy_mode; + this->install_policy = install_policy; +} + +/** + * Implementation of child_cfg_t.use_proxy_mode. + */ +static bool use_proxy_mode(private_child_cfg_t *this) +{ + return this->proxy_mode; +} + +/** + * Implementation of child_cfg_t.install_policy. + */ +static bool install_policy(private_child_cfg_t *this) +{ + return this->install_policy; +} + +/** + * Implementation of child_cfg_t.get_ref. */ static child_cfg_t* get_ref(private_child_cfg_t *this) { @@ -462,6 +527,7 @@ child_cfg_t *child_cfg_create(char *name, u_int32_t lifetime, this->public.get_name = (char* (*) (child_cfg_t*))get_name; this->public.add_traffic_selector = (void (*)(child_cfg_t*,bool,traffic_selector_t*))add_traffic_selector; this->public.get_traffic_selectors = (linked_list_t*(*)(child_cfg_t*,bool,linked_list_t*,host_t*))get_traffic_selectors; + this->public.equal_traffic_selectors = (bool (*)(child_cfg_t*,bool,linked_list_t*,host_t*))equal_traffic_selectors; this->public.add_proposal = (void (*) (child_cfg_t*,proposal_t*))add_proposal; this->public.get_proposals = (linked_list_t* (*) (child_cfg_t*,bool))get_proposals; this->public.select_proposal = (proposal_t* (*) (child_cfg_t*,linked_list_t*,bool))select_proposal; @@ -472,7 +538,10 @@ child_cfg_t *child_cfg_create(char *name, u_int32_t lifetime, this->public.get_close_action = (action_t (*) (child_cfg_t *))get_close_action; this->public.get_lifetime = (u_int32_t (*) (child_cfg_t *,bool))get_lifetime; this->public.get_dh_group = (diffie_hellman_group_t(*)(child_cfg_t*)) get_dh_group; + this->public.set_mipv6_options = (void (*) (child_cfg_t*,bool,bool))set_mipv6_options; this->public.use_ipcomp = (bool (*) (child_cfg_t *))use_ipcomp; + this->public.use_proxy_mode = (bool (*) (child_cfg_t *))use_proxy_mode; + this->public.install_policy = (bool (*) (child_cfg_t *))install_policy; this->public.get_ref = (child_cfg_t* (*) (child_cfg_t*))get_ref; this->public.destroy = (void (*) (child_cfg_t*))destroy; @@ -486,6 +555,8 @@ child_cfg_t *child_cfg_create(char *name, u_int32_t lifetime, this->dpd_action = dpd_action; this->close_action = close_action; this->use_ipcomp = ipcomp; + this->proxy_mode = FALSE; + this->install_policy = TRUE; this->refcount = 1; this->proposals = linked_list_create(); this->my_ts = linked_list_create(); diff --git a/src/charon/config/child_cfg.h b/src/charon/config/child_cfg.h index 83d6cafe6..787324dca 100644 --- a/src/charon/config/child_cfg.h +++ b/src/charon/config/child_cfg.h @@ -14,7 +14,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: child_cfg.h 4358 2008-09-25 13:56:23Z tobias $ + * $Id: child_cfg.h 4611 2008-11-11 06:29:25Z andreas $ */ /** @@ -154,6 +154,17 @@ struct child_cfg_t { host_t *host); /** + * Checks [single] traffic selectors for equality + * + * @param local TRUE for TS on local side, FALSE for remote + * @param ts list with single traffic selector to compare with + * @param host address to use for narrowing "dynamic" TS', or NULL + * @return TRUE if TS are equal, FALSE otherwise + */ + bool (*equal_traffic_selectors)(child_cfg_t *this, bool local, + linked_list_t *ts_list, host_t *host); + + /** * Get the updown script to run for the CHILD_SA. * * @return path to updown script @@ -219,6 +230,31 @@ struct child_cfg_t { * FALSE, otherwise */ bool (*use_ipcomp)(child_cfg_t *this); + + /** + * Sets two options needed for Mobile IPv6 interoperability + * + * @proxy_mode use IPsec transport proxy mode (default FALSE) + * @install_policy install IPsec kernel policies (default TRUE) + */ + void (*set_mipv6_options)(child_cfg_t *this, bool proxy_mod, + bool install_policy); + + /** + * Check whether IPsec transport SA should be set up in proxy mode + * + * @return TRUE, if proxy mode should be used + * FALSE, otherwise + */ + bool (*use_proxy_mode)(child_cfg_t *this); + + /** + * Check whether IPsec policies should be installed in the kernel + * + * @return TRUE, if IPsec kernel policies should be installed + * FALSE, otherwise + */ + bool (*install_policy)(child_cfg_t *this); /** * Increase the reference count. @@ -261,7 +297,6 @@ struct child_cfg_t { child_cfg_t *child_cfg_create(char *name, u_int32_t lifetime, u_int32_t rekeytime, u_int32_t jitter, char *updown, bool hostaccess, ipsec_mode_t mode, - action_t dpd_action, action_t close_action, - bool ipcomp); + action_t dpd_action, action_t close_action, bool ipcomp); #endif /* CHILD_CFG_H_ @} */ diff --git a/src/charon/config/peer_cfg.c b/src/charon/config/peer_cfg.c index 04f323128..9cbca040d 100644 --- a/src/charon/config/peer_cfg.c +++ b/src/charon/config/peer_cfg.c @@ -14,14 +14,16 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: peer_cfg.c 4276 2008-08-22 10:44:51Z martin $ + * $Id: peer_cfg.c 4612 2008-11-11 06:37:37Z andreas $ */ #include <string.h> -#include <pthread.h> #include "peer_cfg.h" +#include <daemon.h> + +#include <utils/mutex.h> #include <utils/linked_list.h> #include <utils/identification.h> @@ -77,7 +79,7 @@ struct private_peer_cfg_t { /** * mutex to lock access to list of child_cfgs */ - pthread_mutex_t mutex; + mutex_t *mutex; /** * id to use to identify us @@ -197,9 +199,9 @@ static ike_cfg_t* get_ike_cfg(private_peer_cfg_t *this) */ static void add_child_cfg(private_peer_cfg_t *this, child_cfg_t *child_cfg) { - pthread_mutex_lock(&this->mutex); + this->mutex->lock(this->mutex); this->child_cfgs->insert_last(this->child_cfgs, child_cfg); - pthread_mutex_unlock(&this->mutex); + this->mutex->unlock(this->mutex); } /** @@ -207,9 +209,9 @@ static void add_child_cfg(private_peer_cfg_t *this, child_cfg_t *child_cfg) */ static void remove_child_cfg(private_peer_cfg_t *this, enumerator_t *enumerator) { - pthread_mutex_lock(&this->mutex); + this->mutex->lock(this->mutex); this->child_cfgs->remove_at(this->child_cfgs, enumerator); - pthread_mutex_unlock(&this->mutex); + this->mutex->unlock(this->mutex); } /** @@ -219,25 +221,29 @@ static enumerator_t* create_child_cfg_enumerator(private_peer_cfg_t *this) { enumerator_t *enumerator; - pthread_mutex_lock(&this->mutex); + this->mutex->lock(this->mutex); enumerator = this->child_cfgs->create_enumerator(this->child_cfgs); return enumerator_create_cleaner(enumerator, - (void*)pthread_mutex_unlock, &this->mutex); + (void*)this->mutex->unlock, this->mutex); } /** * Check if child_cfg contains traffic selectors */ -static bool contains_ts(child_cfg_t *child, bool mine, linked_list_t *ts, +static int contains_ts(child_cfg_t *child, bool mine, linked_list_t *ts, host_t *host) { linked_list_t *selected; - bool contains = FALSE; + int prio; + if (child->equal_traffic_selectors(child, mine, ts, host)) + { + return 2; + } selected = child->get_traffic_selectors(child, mine, ts, host); - contains = selected->get_count(selected); + prio = selected->get_count(selected) ? 1 : 0; selected->destroy_offset(selected, offsetof(traffic_selector_t, destroy)); - return contains; + return prio; } /** @@ -250,18 +256,33 @@ static child_cfg_t* select_child_cfg(private_peer_cfg_t *this, { child_cfg_t *current, *found = NULL; enumerator_t *enumerator; - + int best = 0; + + DBG2(DBG_CFG, "looking for a child config for %#R=== %#R", my_ts, other_ts); enumerator = create_child_cfg_enumerator(this); while (enumerator->enumerate(enumerator, ¤t)) { - if (contains_ts(current, TRUE, my_ts, my_host) && - contains_ts(current, FALSE, other_ts, other_host)) + int prio = contains_ts(current, TRUE, my_ts, my_host) + + contains_ts(current, FALSE, other_ts, other_host); + + if (prio) { - found = current->get_ref(current); - break; + DBG2(DBG_CFG, " candidate \"%s\" with prio %d", + current->get_name(current), prio); + if (prio > best) + { + best = prio; + DESTROY_IF(found); + found = current->get_ref(current); + } } } enumerator->destroy(enumerator); + if (found) + { + DBG2(DBG_CFG, "found matching child config \"%s\" with prio %d", + found->get_name(found), best); + } return found; } @@ -480,6 +501,7 @@ static void destroy(private_peer_cfg_t *this) DESTROY_IF(this->mediated_by); DESTROY_IF(this->peer_id); #endif /* ME */ + this->mutex->destroy(this->mutex); free(this->name); free(this->pool); free(this); @@ -536,7 +558,7 @@ peer_cfg_t *peer_cfg_create(char *name, u_int ike_version, ike_cfg_t *ike_cfg, this->ike_version = ike_version; this->ike_cfg = ike_cfg; this->child_cfgs = linked_list_create(); - pthread_mutex_init(&this->mutex, NULL); + this->mutex = mutex_create(MUTEX_DEFAULT); this->my_id = my_id; this->other_id = other_id; this->cert_policy = cert_policy; diff --git a/src/charon/config/proposal.c b/src/charon/config/proposal.c index b1c049fe8..202dc913a 100644 --- a/src/charon/config/proposal.c +++ b/src/charon/config/proposal.c @@ -13,7 +13,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: proposal.c 4390 2008-10-08 12:57:11Z martin $ + * $Id: proposal.c 4635 2008-11-12 08:27:48Z martin $ */ #include <string.h> diff --git a/src/charon/config/traffic_selector.c b/src/charon/config/traffic_selector.c index 63172f855..d4235c32a 100644 --- a/src/charon/config/traffic_selector.c +++ b/src/charon/config/traffic_selector.c @@ -14,7 +14,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: traffic_selector.c 4199 2008-07-21 19:08:03Z andreas $ + * $Id: traffic_selector.c 4639 2008-11-12 15:09:24Z martin $ */ #include <arpa/inet.h> @@ -134,8 +134,9 @@ static u_int8_t calc_netbits(private_traffic_selector_t *this) int byte, bit; size_t size = (this->type == TS_IPV4_ADDR_RANGE) ? 4 : 16; - /* go trough all bits of the addresses, begging in the front. - * As longer as they equal, the subnet gets larger */ + /* go trough all bits of the addresses, beginning in the front. + * as long as they are equal, the subnet gets larger + */ for (byte = 0; byte < size; byte++) { for (bit = 7; bit >= 0; bit--) @@ -405,26 +406,15 @@ static bool equals(private_traffic_selector_t *this, private_traffic_selector_t */ static chunk_t get_from_address(private_traffic_selector_t *this) { - chunk_t from = chunk_empty; - switch (this->type) { case TS_IPV4_ADDR_RANGE: - { - from.len = sizeof(this->from4); - from.ptr = malloc(from.len); - memcpy(from.ptr, this->from4, from.len); - break; - } + return chunk_create(this->from, sizeof(this->from4)); case TS_IPV6_ADDR_RANGE: - { - from.len = sizeof(this->from6); - from.ptr = malloc(from.len); - memcpy(from.ptr, this->from6, from.len); - break; - } + return chunk_create(this->from, sizeof(this->from6)); + default: + return chunk_empty; } - return from; } /** @@ -432,26 +422,15 @@ static chunk_t get_from_address(private_traffic_selector_t *this) */ static chunk_t get_to_address(private_traffic_selector_t *this) { - chunk_t to = chunk_empty; - switch (this->type) { case TS_IPV4_ADDR_RANGE: - { - to.len = sizeof(this->to4); - to.ptr = malloc(to.len); - memcpy(to.ptr, this->to4, to.len); - break; - } + return chunk_create(this->to, sizeof(this->to4)); case TS_IPV6_ADDR_RANGE: - { - to.len = sizeof(this->to6); - to.ptr = malloc(to.len); - memcpy(to.ptr, this->to6, to.len); - break; - } + return chunk_create(this->to, sizeof(this->to6)); + default: + return chunk_empty; } - return to; } /** @@ -525,6 +504,14 @@ static bool is_host(private_traffic_selector_t *this, host_t *host) } /** + * Implementation of traffic_selector_t.is_dynamic + */ +static bool is_dynamic(private_traffic_selector_t *this) +{ + return this->dynamic; +} + +/** * Implements traffic_selector_t.set_address. */ static void set_address(private_traffic_selector_t *this, host_t *host) @@ -583,6 +570,60 @@ static bool includes(private_traffic_selector_t *this, host_t *host) } /** + * Implements traffic_selector_t.to_subnet. + */ +static void to_subnet(private_traffic_selector_t *this, host_t **net, u_int8_t *mask) +{ + /* there is no way to do this cleanly, as the address range may + * be anything else but a subnet. We use from_addr as subnet + * and try to calculate a usable subnet mask. + */ + int family, byte; + u_int16_t port = 0; + chunk_t net_chunk; + + *mask = calc_netbits(this); + + switch (this->type) + { + case TS_IPV4_ADDR_RANGE: + { + family = AF_INET; + net_chunk.len = sizeof(this->from4); + break; + } + case TS_IPV6_ADDR_RANGE: + { + family = AF_INET6; + net_chunk.len = sizeof(this->from6); + break; + } + default: + { + /* unreachable */ + return; + } + } + + net_chunk.ptr = malloc(net_chunk.len); + memcpy(net_chunk.ptr, this->from, net_chunk.len); + + for (byte = net_chunk.len - 1; byte >= (*mask / 8); --byte) + { + int shift = (byte + 1) * 8 - *mask; + net_chunk.ptr[byte] = net_chunk.ptr[byte] & (0xFF << shift); + } + + if (this->to_port == this->from_port) + { + port = this->to_port; + } + + *net = host_create_from_chunk(family, net_chunk, port); + chunk_free(&net_chunk); +} + +/** * Implements traffic_selector_t.clone. */ static traffic_selector_t *clone_(private_traffic_selector_t *this) @@ -814,9 +855,11 @@ static private_traffic_selector_t *traffic_selector_create(u_int8_t protocol, this->public.get_type = (ts_type_t(*)(traffic_selector_t*))get_type; this->public.get_protocol = (u_int8_t(*)(traffic_selector_t*))get_protocol; this->public.is_host = (bool(*)(traffic_selector_t*,host_t*))is_host; + this->public.is_dynamic = (bool(*)(traffic_selector_t*))is_dynamic; this->public.is_contained_in = (bool(*)(traffic_selector_t*,traffic_selector_t*))is_contained_in; this->public.includes = (bool(*)(traffic_selector_t*,host_t*))includes; this->public.set_address = (void(*)(traffic_selector_t*,host_t*))set_address; + this->public.to_subnet = (void(*)(traffic_selector_t*,host_t**,u_int8_t*))to_subnet; this->public.clone = (traffic_selector_t*(*)(traffic_selector_t*))clone_; this->public.destroy = (void(*)(traffic_selector_t*))destroy; diff --git a/src/charon/config/traffic_selector.h b/src/charon/config/traffic_selector.h index 4b079a8e0..d97ffdea0 100644 --- a/src/charon/config/traffic_selector.h +++ b/src/charon/config/traffic_selector.h @@ -14,7 +14,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: traffic_selector.h 3658 2008-03-26 10:06:45Z martin $ + * $Id: traffic_selector.h 4643 2008-11-12 22:57:46Z andreas $ */ /** @@ -92,7 +92,7 @@ struct traffic_selector_t { /** * Get starting address of this ts as a chunk. * - * Chunk is in network order gets allocated. + * Chunk is in network order and points to internal data. * * @return chunk containing the address */ @@ -101,7 +101,7 @@ struct traffic_selector_t { /** * Get ending address of this ts as a chunk. * - * Chunk is in network order gets allocated. + * Chunk is in network order and points to internal data. * * @return chunk containing the address */ @@ -155,6 +155,13 @@ struct traffic_selector_t { bool (*is_host) (traffic_selector_t *this, host_t* host); /** + * Check if a traffic selector has been created by create_dynamic(). + * + * @return TRUE if TS is dynamic + */ + bool (*is_dynamic)(traffic_selector_t *this); + + /** * Update the address of a traffic selector. * * Update the address range of a traffic selector, if it is @@ -168,7 +175,7 @@ struct traffic_selector_t { * Compare two traffic selectors for equality. * * @param other ts to compare with this - * @return pointer to a string. + * @return TRUE if equal, FALSE otherwise */ bool (*equals) (traffic_selector_t *this, traffic_selector_t *other); @@ -191,6 +198,17 @@ struct traffic_selector_t { bool (*includes) (traffic_selector_t *this, host_t *host); /** + * Convert a traffic selector address range to a subnet + * and its net mask. + * If from and to ports of this traffic selector are equal, + * the port of the returned host_t is set to that port. + * + * @param net converted subnet (has to be freed) + * @param mask converted net mask + */ + void (*to_subnet) (traffic_selector_t *this, host_t **net, u_int8_t *mask); + + /** * Destroys the ts object */ void (*destroy) (traffic_selector_t *this); @@ -225,7 +243,7 @@ traffic_selector_t *traffic_selector_create_from_string( * @param type type of following addresses, such as TS_IPV4_ADDR_RANGE * @param from_address start of address range, network order * @param from_port port number, host order - * @param to_address end of address range as string, network + * @param to_address end of address range, network order * @param to_port port number, host order * @return traffic_selector_t object */ diff --git a/src/charon/control/controller.c b/src/charon/control/controller.c index c124f439a..ed52cb0d6 100644 --- a/src/charon/control/controller.c +++ b/src/charon/control/controller.c @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: controller.c 4192 2008-07-18 15:51:40Z martin $ + * $Id: controller.c 4434 2008-10-14 08:52:13Z martin $ */ #include "controller.h" @@ -27,7 +27,7 @@ typedef struct private_controller_t private_controller_t; -typedef struct interface_bus_listener_t interface_bus_listener_t; +typedef struct interface_listener_t interface_listener_t; /** * Private data of an stroke_t object. @@ -40,16 +40,15 @@ struct private_controller_t { controller_t public; }; - /** - * helper struct to map bus listener callbacks to interface callbacks + * helper struct to map listener callbacks to interface callbacks */ -struct interface_bus_listener_t { +struct interface_listener_t { /** * public bus listener interface */ - bus_listener_t public; + listener_t public; /** * status of the operation, return to method callers @@ -57,11 +56,6 @@ struct interface_bus_listener_t { status_t status; /** - * IKE SA to filter log output - */ - ike_sa_t *ike_sa; - - /** * interface callback (listener gets redirected to here) */ controller_cb_t callback; @@ -82,6 +76,16 @@ struct interface_bus_listener_t { peer_cfg_t *peer_cfg; /** + * IKE_SA to handle + */ + ike_sa_t *ike_sa; + + /** + * CHILD_SA to handle + */ + child_sa_t *child_sa; + + /** * unique ID, used for various methods */ u_int32_t id; @@ -102,38 +106,88 @@ struct interface_job_t { /** * associated listener */ - interface_bus_listener_t listener; + interface_listener_t listener; }; /** - * Implementation of controller_t.create_ike_sa_iterator. + * listener log function */ -static enumerator_t* create_ike_sa_enumerator(controller_t *this) +static bool listener_log(interface_listener_t *this, debug_t group, + level_t level, int thread, ike_sa_t *ike_sa, + char* format, va_list args) { - return charon->ike_sa_manager->create_enumerator(charon->ike_sa_manager); + if (this->ike_sa == ike_sa) + { + if (!this->callback(this->param, group, level, ike_sa, format, args)) + { + return FALSE; + } + } + return TRUE; } /** - * listener function for initiate + * Implementation of listener_t.ike_state_change */ -static bool initiate_listener(interface_bus_listener_t *this, signal_t signal, - level_t level, int thread, ike_sa_t *ike_sa, - void* data, char* format, va_list args) +static bool listener_ike_state(interface_listener_t *this, ike_sa_t *ike_sa, + ike_sa_state_t state) { if (this->ike_sa == ike_sa) { - if (!this->callback(this->param, signal, level, ike_sa, data, - format, args)) + switch (state) { - return FALSE; +#ifdef ME + case IKE_ESTABLISHED: + { /* mediation connections are complete without CHILD_SA */ + peer_cfg_t *peer_cfg = ike_sa->get_peer_cfg(ike_sa); + + if (peer_cfg->is_mediation(peer_cfg)) + { + this->status = SUCCESS; + return FALSE; + } + break; + } +#endif /* ME */ + case IKE_DESTROYING: + if (ike_sa->get_state(ike_sa) == IKE_DELETING) + { /* proper termination */ + this->status = SUCCESS; + } + return FALSE; + default: + break; } - switch (signal) + } + return TRUE; +} + +/** + * Implementation of listener_t.child_state_change + */ +static bool listener_child_state(interface_listener_t *this, ike_sa_t *ike_sa, + child_sa_t *child_sa, child_sa_state_t state) +{ + if (this->ike_sa == ike_sa) + { + switch (state) { - case CHD_UP_SUCCESS: + case CHILD_ROUTED: + case CHILD_INSTALLED: this->status = SUCCESS; return FALSE; - case IKE_UP_FAILED: - case CHD_UP_FAILED: + case CHILD_DESTROYING: + switch (child_sa->get_state(child_sa)) + { + case CHILD_ROUTED: + /* has been unrouted */ + case CHILD_DELETING: + /* proper delete */ + this->status = SUCCESS; + break; + default: + break; + } return FALSE; default: break; @@ -143,12 +197,32 @@ static bool initiate_listener(interface_bus_listener_t *this, signal_t signal, } /** + * cleanup job if job is never executed + */ +static void recheckin(interface_job_t *job) +{ + if (job->listener.ike_sa) + { + charon->ike_sa_manager->checkin(charon->ike_sa_manager, + job->listener.ike_sa); + } +} + +/** + * Implementation of controller_t.create_ike_sa_iterator. + */ +static enumerator_t* create_ike_sa_enumerator(controller_t *this) +{ + return charon->ike_sa_manager->create_enumerator(charon->ike_sa_manager); +} + +/** * execute function for initiate */ static status_t initiate_execute(interface_job_t *job) { ike_sa_t *ike_sa; - interface_bus_listener_t *listener = &job->listener; + interface_listener_t *listener = &job->listener; peer_cfg_t *peer_cfg = listener->peer_cfg; ike_sa = charon->ike_sa_manager->checkout_by_config(charon->ike_sa_manager, @@ -176,72 +250,41 @@ static status_t initiate(private_controller_t *this, peer_cfg_t *peer_cfg, child_cfg_t *child_cfg, controller_cb_t callback, void *param) { - interface_job_t job; - - job.listener.public.signal = (void*)initiate_listener; - job.listener.ike_sa = NULL; - job.listener.callback = callback; - job.listener.param = param; - job.listener.status = FAILED; - job.listener.child_cfg = child_cfg; - job.listener.peer_cfg = peer_cfg; - job.public.execute = (void*)initiate_execute; - job.public.destroy = nop; - + interface_job_t job = { + .listener = { + .public = { + .log = (void*)listener_log, + .ike_state_change = (void*)listener_ike_state, + .child_state_change = (void*)listener_child_state, + }, + .callback = callback, + .param = param, + .status = FAILED, + .child_cfg = child_cfg, + .peer_cfg = peer_cfg, + }, + .public = { + .execute = (void*)initiate_execute, + .destroy = (void*)recheckin, + }, + }; if (callback == NULL) { return initiate_execute(&job); } - charon->bus->listen(charon->bus, (bus_listener_t*)&job.listener, (job_t*)&job); + charon->bus->listen(charon->bus, &job.listener.public, (job_t*)&job); return job.listener.status; } /** - * listener function for terminate_ike - */ -static bool terminate_ike_listener(interface_bus_listener_t *this, signal_t signal, - level_t level, int thread, ike_sa_t *ike_sa, - void* data, char* format, va_list args) -{ - if (this->ike_sa == ike_sa) - { - if (!this->callback(this->param, signal, level, ike_sa, - data, format, args)) - { - return FALSE; - } - switch (signal) - { - case IKE_DOWN_SUCCESS: - this->status = SUCCESS; - return FALSE; - case IKE_DOWN_FAILED: - return FALSE; - default: - break; - } - } - return TRUE; -} - -/** * execute function for terminate_ike */ static status_t terminate_ike_execute(interface_job_t *job) { - ike_sa_t *ike_sa; - interface_bus_listener_t *listener = &job->listener; - - ike_sa = charon->ike_sa_manager->checkout_by_id(charon->ike_sa_manager, - listener->id, FALSE); - if (ike_sa == NULL) - { - SIG_IKE(DOWN_FAILED, "unable to terminate, IKE_SA with " - "ID %d not found", listener->id); - return NOT_FOUND; - } - listener->ike_sa = ike_sa; + interface_listener_t *listener = &job->listener; + ike_sa_t *ike_sa = listener->ike_sa; + charon->bus->set_sa(charon->bus, ike_sa); if (ike_sa->delete(ike_sa) == DESTROY_ME) { return charon->ike_sa_manager->checkin_and_destroy( @@ -256,79 +299,103 @@ static status_t terminate_ike_execute(interface_job_t *job) static status_t terminate_ike(controller_t *this, u_int32_t unique_id, controller_cb_t callback, void *param) { - interface_job_t job; + ike_sa_t *ike_sa; + interface_job_t job = { + .listener = { + .public = { + .log = (void*)listener_log, + .ike_state_change = (void*)listener_ike_state, + .child_state_change = (void*)listener_child_state, + }, + .callback = callback, + .param = param, + .status = FAILED, + .id = unique_id, + }, + .public = { + .execute = (void*)terminate_ike_execute, + .destroy = (void*)recheckin, + }, + }; + + ike_sa = charon->ike_sa_manager->checkout_by_id(charon->ike_sa_manager, + unique_id, FALSE); + if (ike_sa == NULL) + { + DBG1(DBG_IKE, "unable to terminate IKE_SA: ID %d not found", unique_id); + return NOT_FOUND; + } + job.listener.ike_sa = ike_sa; - job.listener.public.signal = (void*)terminate_ike_listener; - job.listener.ike_sa = NULL; - job.listener.callback = callback; - job.listener.param = param; - job.listener.status = FAILED; - job.listener.id = unique_id; - job.public.execute = (void*)terminate_ike_execute; - job.public.destroy = nop; - if (callback == NULL) { return terminate_ike_execute(&job); } - charon->bus->listen(charon->bus, (bus_listener_t*)&job.listener, (job_t*)&job); + charon->bus->listen(charon->bus, &job.listener.public, (job_t*)&job); return job.listener.status; } + /** - * listener function for terminate_child + * execute function for terminate_child */ -static bool terminate_child_listener(interface_bus_listener_t *this, signal_t signal, - level_t level, int thread, ike_sa_t *ike_sa, - void* data, char* format, va_list args) +static status_t terminate_child_execute(interface_job_t *job) { - if (this->ike_sa == ike_sa) + interface_listener_t *listener = &job->listener; + ike_sa_t *ike_sa = listener->ike_sa; + child_sa_t *child_sa = listener->child_sa; + + charon->bus->set_sa(charon->bus, ike_sa); + if (ike_sa->delete_child_sa(ike_sa, child_sa->get_protocol(child_sa), + child_sa->get_spi(child_sa, TRUE)) == DESTROY_ME) { - if (!this->callback(this->param, signal, level, ike_sa, - data, format, args)) - { - return FALSE; - } - switch (signal) - { - case CHD_DOWN_SUCCESS: - case IKE_DOWN_SUCCESS: - this->status = SUCCESS; - return FALSE; - case IKE_DOWN_FAILED: - case CHD_DOWN_FAILED: - return FALSE; - default: - break; - } + return charon->ike_sa_manager->checkin_and_destroy( + charon->ike_sa_manager, ike_sa); } - return TRUE; + return charon->ike_sa_manager->checkin(charon->ike_sa_manager, ike_sa); } /** - * execute function for terminate_child + * Implementation of controller_t.terminate_child. */ -static status_t terminate_child_execute(interface_job_t *job) +static status_t terminate_child(controller_t *this, u_int32_t reqid, + controller_cb_t callback, void *param) { ike_sa_t *ike_sa; child_sa_t *child_sa; iterator_t *iterator; - interface_bus_listener_t *listener = &job->listener; + interface_job_t job = { + .listener = { + .public = { + .log = (void*)listener_log, + .ike_state_change = (void*)listener_ike_state, + .child_state_change = (void*)listener_child_state, + }, + .callback = callback, + .param = param, + .status = FAILED, + .id = reqid, + }, + .public = { + .execute = (void*)terminate_child_execute, + .destroy = (void*)recheckin, + }, + }; ike_sa = charon->ike_sa_manager->checkout_by_id(charon->ike_sa_manager, - listener->id, TRUE); + reqid, TRUE); if (ike_sa == NULL) { - SIG_CHD(DOWN_FAILED, NULL, "unable to terminate, CHILD_SA with " - "ID %d not found", listener->id); + DBG1(DBG_IKE, "unable to terminate, CHILD_SA with ID %d not found", + reqid); return NOT_FOUND; } - listener->ike_sa = ike_sa; + job.listener.ike_sa = ike_sa; iterator = ike_sa->create_child_sa_iterator(ike_sa); while (iterator->iterate(iterator, (void**)&child_sa)) { if (child_sa->get_state(child_sa) != CHILD_ROUTED && - child_sa->get_reqid(child_sa) == listener->id) + child_sa->get_reqid(child_sa) == reqid) { break; } @@ -338,90 +405,30 @@ static status_t terminate_child_execute(interface_job_t *job) if (child_sa == NULL) { - SIG_CHD(DOWN_FAILED, NULL, "unable to terminate, established " - "CHILD_SA with ID %d not found", listener->id); + DBG1(DBG_IKE, "unable to terminate, established " + "CHILD_SA with ID %d not found", reqid); charon->ike_sa_manager->checkin(charon->ike_sa_manager, ike_sa); return NOT_FOUND; } - - if (ike_sa->delete_child_sa(ike_sa, child_sa->get_protocol(child_sa), - child_sa->get_spi(child_sa, TRUE)) == DESTROY_ME) - { - return charon->ike_sa_manager->checkin_and_destroy( - charon->ike_sa_manager, ike_sa); - } - return charon->ike_sa_manager->checkin(charon->ike_sa_manager, ike_sa); -} - -/** - * Implementation of controller_t.terminate_child. - */ -static status_t terminate_child(controller_t *this, u_int32_t reqid, - controller_cb_t callback, void *param) -{ - interface_job_t job; - - job.listener.public.signal = (void*)terminate_child_listener; - job.listener.ike_sa = NULL; - job.listener.callback = callback; - job.listener.param = param; - job.listener.status = FAILED; - job.listener.id = reqid; - job.public.execute = (void*)terminate_child_execute; - job.public.destroy = nop; + job.listener.child_sa = child_sa; if (callback == NULL) { return terminate_child_execute(&job); } - charon->bus->listen(charon->bus, (bus_listener_t*)&job.listener, (job_t*)&job); + charon->bus->listen(charon->bus, &job.listener.public, (job_t*)&job); return job.listener.status; } /** - * listener function for route - */ -static bool route_listener(interface_bus_listener_t *this, signal_t signal, - level_t level, int thread, ike_sa_t *ike_sa, - void* data, char* format, va_list args) -{ - if (this->ike_sa == ike_sa) - { - if (!this->callback(this->param, signal, level, ike_sa, - data, format, args)) - { - return FALSE; - } - switch (signal) - { - case CHD_ROUTE_SUCCESS: - this->status = SUCCESS; - return FALSE; - case CHD_ROUTE_FAILED: - return FALSE; - default: - break; - } - } - return TRUE; -} - -/** * execute function for route */ static status_t route_execute(interface_job_t *job) { - ike_sa_t *ike_sa; - interface_bus_listener_t *listener = &job->listener; - peer_cfg_t *peer_cfg = listener->peer_cfg; - ike_sa = charon->ike_sa_manager->checkout_by_config(charon->ike_sa_manager, - peer_cfg); - listener->ike_sa = ike_sa; + interface_listener_t *listener = &job->listener; + ike_sa_t *ike_sa = listener->ike_sa; - if (ike_sa->get_peer_cfg(ike_sa) == NULL) - { - ike_sa->set_peer_cfg(ike_sa, peer_cfg); - } + charon->bus->set_sa(charon->bus, ike_sa); if (ike_sa->route(ike_sa, listener->child_cfg) == DESTROY_ME) { return charon->ike_sa_manager->checkin_and_destroy( @@ -437,70 +444,49 @@ static status_t route(controller_t *this, peer_cfg_t *peer_cfg, child_cfg_t *child_cfg, controller_cb_t callback, void *param) { - interface_job_t job; + ike_sa_t *ike_sa; + interface_job_t job = { + .listener = { + .public = { + .log = (void*)listener_log, + .ike_state_change = (void*)listener_ike_state, + .child_state_change = (void*)listener_child_state, + }, + .callback = callback, + .param = param, + .status = FAILED, + .peer_cfg = peer_cfg, + .child_cfg = child_cfg, + }, + .public = { + .execute = (void*)route_execute, + .destroy = (void*)recheckin, + }, + }; - job.listener.public.signal = (void*)route_listener; - job.listener.ike_sa = NULL; - job.listener.callback = callback; - job.listener.param = param; - job.listener.status = FAILED; - job.listener.peer_cfg = peer_cfg; - job.listener.child_cfg = child_cfg; - job.public.execute = (void*)route_execute; - job.public.destroy = nop; - + ike_sa = charon->ike_sa_manager->checkout_by_config(charon->ike_sa_manager, + peer_cfg); + if (ike_sa->get_peer_cfg(ike_sa) == NULL) + { + ike_sa->set_peer_cfg(ike_sa, peer_cfg); + } + job.listener.ike_sa = ike_sa; if (callback == NULL) { return route_execute(&job); } - charon->bus->listen(charon->bus, (bus_listener_t*)&job.listener, (job_t*)&job); + charon->bus->listen(charon->bus, &job.listener.public, (job_t*)&job); return job.listener.status; } /** - * listener function for unroute - */ -static bool unroute_listener(interface_bus_listener_t *this, signal_t signal, - level_t level, int thread, ike_sa_t *ike_sa, - void* data, char* format, va_list args) -{ - if (this->ike_sa == ike_sa) - { - if (!this->callback(this->param, signal, level, ike_sa, - data, format, args)) - { - return FALSE; - } - switch (signal) - { - case CHD_UNROUTE_SUCCESS: - this->status = SUCCESS; - return FALSE; - case CHD_UNROUTE_FAILED: - return FALSE; - default: - break; - } - } - return TRUE; -} -/** * execute function for unroute */ static status_t unroute_execute(interface_job_t *job) { - ike_sa_t *ike_sa; - interface_bus_listener_t *listener = &job->listener; + interface_listener_t *listener = &job->listener; + ike_sa_t *ike_sa = listener->ike_sa; - ike_sa = charon->ike_sa_manager->checkout_by_id(charon->ike_sa_manager, - listener->id, TRUE); - if (ike_sa == NULL) - { - SIG_CHD(DOWN_FAILED, NULL, "unable to unroute, CHILD_SA with " - "ID %d not found", listener->id); - return NOT_FOUND; - } - listener->ike_sa = ike_sa; if (ike_sa->unroute(ike_sa, listener->id) == DESTROY_ME) { return charon->ike_sa_manager->checkin_and_destroy( @@ -515,30 +501,47 @@ static status_t unroute_execute(interface_job_t *job) static status_t unroute(controller_t *this, u_int32_t reqid, controller_cb_t callback, void *param) { - interface_job_t job; + ike_sa_t *ike_sa; + interface_job_t job = { + .listener = { + .public = { + .log = (void*)listener_log, + .ike_state_change = (void*)listener_ike_state, + .child_state_change = (void*)listener_child_state, + }, + .callback = callback, + .param = param, + .status = FAILED, + .id = reqid, + }, + .public = { + .execute = (void*)unroute_execute, + .destroy = (void*)recheckin, + }, + }; - job.listener.public.signal = (void*)unroute_listener; - job.listener.ike_sa = NULL; - job.listener.callback = callback; - job.listener.param = param; - job.listener.status = FAILED; - job.listener.id = reqid; - job.public.execute = (void*)unroute_execute; - job.public.destroy = nop; + ike_sa = charon->ike_sa_manager->checkout_by_id(charon->ike_sa_manager, + reqid, TRUE); + if (ike_sa == NULL) + { + DBG1(DBG_IKE, "unable to unroute, CHILD_SA with ID %d not found", reqid); + return NOT_FOUND; + } + job.listener.ike_sa = ike_sa; if (callback == NULL) { return unroute_execute(&job); } - charon->bus->listen(charon->bus, (bus_listener_t*)&job.listener, (job_t*)&job); + charon->bus->listen(charon->bus, &job.listener.public, (job_t*)&job); return job.listener.status; } /** * See header */ -bool controller_cb_empty(void *param, signal_t signal, level_t level, - ike_sa_t *ike_sa, void *data, char *format, va_list args) +bool controller_cb_empty(void *param, debug_t group, level_t level, + ike_sa_t *ike_sa, char *format, va_list args) { return TRUE; } diff --git a/src/charon/control/controller.h b/src/charon/control/controller.h index f40af0260..4609d7a8b 100644 --- a/src/charon/control/controller.h +++ b/src/charon/control/controller.h @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: controller.h 4192 2008-07-18 15:51:40Z martin $ + * $Id: controller.h 4624 2008-11-11 13:11:44Z tobias $ */ /** @@ -29,26 +29,24 @@ * callback to log things triggered by controller. * * @param param echoed parameter supplied when function invoked - * @param signal type of signal + * @param group debugging group * @param level verbosity level if log * @param ike_sa associated IKE_SA, if any * @param format printf like format string * @param args list of arguments to use for format * @return FALSE to return from invoked function */ -typedef bool(*controller_cb_t)(void* param, signal_t signal, level_t level, - ike_sa_t* ike_sa, void *data, - char* format, va_list args); +typedef bool(*controller_cb_t)(void* param, debug_t group, level_t level, + ike_sa_t* ike_sa, char* format, va_list args); /** * Empty callback function for controller_t functions. * - * If you wan't to do a syncrhonous call, but don't need a callback, pass + * If you want to do a synchronous call, but don't need a callback, pass * this function to the controllers methods. */ -bool controller_cb_empty(void *param, signal_t signal, level_t level, - ike_sa_t *ike_sa, void *data, - char *format, va_list args); +bool controller_cb_empty(void *param, debug_t group, level_t level, + ike_sa_t *ike_sa, char *format, va_list args); typedef struct controller_t controller_t; @@ -59,7 +57,7 @@ typedef struct controller_t controller_t; * evaluate the result of the operation by listening on the bus. * * Passing NULL as callback to the managers function calls them asynchronously. - * If a callback is specified, they are called synchronoulsy. There is a default + * If a callback is specified, they are called synchronously. There is a default * callback "controller_cb_empty" if you wan't to call a function * synchronously, but don't need a callback. */ @@ -78,7 +76,7 @@ struct controller_t { /** * Initiate a CHILD_SA, and if required, an IKE_SA. * - * The inititate() function is synchronous and thus blocks until the + * The initiate() function is synchronous and thus blocks until the * IKE_SA is established or failed. Because of this, the initiate() function * contains a thread cancellation point. * diff --git a/src/charon/credentials/credential_manager.c b/src/charon/credentials/credential_manager.c index b11cdc0df..309115280 100644 --- a/src/charon/credentials/credential_manager.c +++ b/src/charon/credentials/credential_manager.c @@ -12,16 +12,15 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: credential_manager.c 4317 2008-09-02 11:00:13Z martin $ + * $Id: credential_manager.c 4591 2008-11-05 16:12:54Z martin $ */ -/* some clibs need it for rwlocks */ -#define _GNU_SOURCE #include <pthread.h> #include "credential_manager.h" #include <daemon.h> +#include <utils/mutex.h> #include <utils/linked_list.h> #include <credentials/sets/cert_cache.h> #include <credentials/sets/auth_info_wrapper.h> @@ -68,7 +67,7 @@ struct private_credential_manager_t { /** * read-write lock to sets list */ - pthread_rwlock_t lock; + rwlock_t *lock; }; /** data to pass to create_private_enumerator */ @@ -170,7 +169,7 @@ static enumerator_t *create_sets_enumerator(private_credential_manager_t *this) */ static void destroy_cert_data(cert_data_t *data) { - pthread_rwlock_unlock(&data->this->lock); + data->this->lock->unlock(data->this->lock); free(data); } @@ -197,7 +196,7 @@ static enumerator_t *create_cert_enumerator(private_credential_manager_t *this, data->id = id; data->trusted = trusted; - pthread_rwlock_rdlock(&this->lock); + this->lock->read_lock(this->lock); return enumerator_create_nested(create_sets_enumerator(this), (void*)create_cert, data, (void*)destroy_cert_data); @@ -229,7 +228,7 @@ static certificate_t *get_cert(private_credential_manager_t *this, */ static void destroy_cdp_data(cdp_data_t *data) { - pthread_rwlock_unlock(&data->this->lock); + data->this->lock->unlock(data->this->lock); free(data); } @@ -251,7 +250,7 @@ static enumerator_t * create_cdp_enumerator(private_credential_manager_t *this, data->type = type; data->id = id; - pthread_rwlock_rdlock(&this->lock); + this->lock->read_lock(this->lock); return enumerator_create_nested(create_sets_enumerator(this), (void*)create_cdp, data, (void*)destroy_cdp_data); @@ -262,7 +261,7 @@ static enumerator_t * create_cdp_enumerator(private_credential_manager_t *this, */ static void destroy_private_data(private_data_t *data) { - pthread_rwlock_unlock(&data->this->lock); + data->this->lock->unlock(data->this->lock); free(data); } @@ -287,7 +286,7 @@ static enumerator_t* create_private_enumerator( data->this = this; data->type = key; data->keyid = keyid; - pthread_rwlock_rdlock(&this->lock); + this->lock->read_lock(this->lock); return enumerator_create_nested(create_sets_enumerator(this), (void*)create_private, data, (void*)destroy_private_data); @@ -316,7 +315,7 @@ static private_key_t *get_private_by_keyid(private_credential_manager_t *this, */ static void destroy_shared_data(shared_data_t *data) { - pthread_rwlock_unlock(&data->this->lock); + data->this->lock->unlock(data->this->lock); free(data); } @@ -341,7 +340,7 @@ static enumerator_t *create_shared_enumerator(private_credential_manager_t *this data->me = me; data->other = other; - pthread_rwlock_rdlock(&this->lock); + this->lock->read_lock(this->lock); return enumerator_create_nested(create_sets_enumerator(this), (void*)create_shared, data, (void*)destroy_shared_data); @@ -412,7 +411,7 @@ static void cache_cert(private_credential_manager_t *this, certificate_t *cert) credential_set_t *set; enumerator_t *enumerator; - if (pthread_rwlock_trywrlock(&this->lock) == 0) + if (this->lock->try_write_lock(this->lock)) { enumerator = this->sets->create_enumerator(this->sets); while (enumerator->enumerate(enumerator, &set)) @@ -423,10 +422,10 @@ static void cache_cert(private_credential_manager_t *this, certificate_t *cert) } else { /* we can't cache now as other threads are active, queue for later */ - pthread_rwlock_rdlock(&this->lock); + this->lock->read_lock(this->lock); this->cache_queue->insert_last(this->cache_queue, cert->get_ref(cert)); } - pthread_rwlock_unlock(&this->lock); + this->lock->unlock(this->lock); } /** @@ -439,7 +438,7 @@ static void cache_queue(private_credential_manager_t *this) enumerator_t *enumerator; if (this->cache_queue->get_count(this->cache_queue) > 0 && - pthread_rwlock_trywrlock(&this->lock) == 0) + this->lock->try_write_lock(this->lock)) { while (this->cache_queue->remove_last(this->cache_queue, (void**)&cert) == SUCCESS) @@ -452,7 +451,7 @@ static void cache_queue(private_credential_manager_t *this) enumerator->destroy(enumerator); cert->destroy(cert); } - pthread_rwlock_unlock(&this->lock); + this->lock->unlock(this->lock); } } @@ -1302,7 +1301,7 @@ static void public_destroy(public_enumerator_t *this) remove_local_set(this->this, &this->wrapper->set); this->wrapper->destroy(this->wrapper); } - pthread_rwlock_unlock(&this->this->lock); + this->this->lock->unlock(this->this->lock); /* check for delayed certificate cache queue */ cache_queue(this->this); @@ -1328,7 +1327,7 @@ static enumerator_t* create_public_enumerator(private_credential_manager_t *this enumerator->wrapper = auth_info_wrapper_create(auth); add_local_set(this, &enumerator->wrapper->set); } - pthread_rwlock_rdlock(&this->lock); + this->lock->read_lock(this->lock); return &enumerator->public; } @@ -1525,9 +1524,9 @@ static void flush_cache(private_credential_manager_t *this, static void add_set(private_credential_manager_t *this, credential_set_t *set) { - pthread_rwlock_wrlock(&this->lock); + this->lock->write_lock(this->lock); this->sets->insert_last(this->sets, set); - pthread_rwlock_unlock(&this->lock); + this->lock->unlock(this->lock); } /** @@ -1535,9 +1534,9 @@ static void add_set(private_credential_manager_t *this, */ static void remove_set(private_credential_manager_t *this, credential_set_t *set) { - pthread_rwlock_wrlock(&this->lock); + this->lock->write_lock(this->lock); this->sets->remove(this->sets, set, NULL); - pthread_rwlock_unlock(&this->lock); + this->lock->unlock(this->lock); } /** @@ -1551,7 +1550,7 @@ static void destroy(private_credential_manager_t *this) this->sets->destroy(this->sets); pthread_key_delete(this->local_sets); this->cache->destroy(this->cache); - pthread_rwlock_destroy(&this->lock); + this->lock->destroy(this->lock); free(this); } @@ -1580,7 +1579,7 @@ credential_manager_t *credential_manager_create() this->cache = cert_cache_create(); this->cache_queue = linked_list_create(); this->sets->insert_first(this->sets, this->cache); - pthread_rwlock_init(&this->lock, NULL); + this->lock = rwlock_create(RWLOCK_DEFAULT); return &this->public; } diff --git a/src/charon/credentials/sets/cert_cache.c b/src/charon/credentials/sets/cert_cache.c index 4a9a97149..79b5f0203 100644 --- a/src/charon/credentials/sets/cert_cache.c +++ b/src/charon/credentials/sets/cert_cache.c @@ -15,12 +15,12 @@ * $Id$ */ -#define _GNU_SOURCE -#include <pthread.h> - #include "cert_cache.h" +#include <time.h> + #include <daemon.h> +#include <utils/mutex.h> #include <utils/linked_list.h> #define CACHE_SIZE 30 @@ -56,7 +56,7 @@ struct private_cert_cache_t { /** * read-write lock to sets list */ - pthread_rwlock_t lock; + rwlock_t *lock; }; /** @@ -90,7 +90,7 @@ static void check_cache(private_cert_cache_t *this) { this->check_required = TRUE; } - else if (pthread_rwlock_trywrlock(&this->lock) == 0) + else if (this->lock->try_write_lock(this->lock)) { /* never blocks, only done if lock is available */ while (this->relations->get_count(this->relations) > CACHE_SIZE) { @@ -110,7 +110,7 @@ static void check_cache(private_cert_cache_t *this) relation_destroy(oldest); } this->check_required = FALSE; - pthread_rwlock_unlock(&this->lock); + this->lock->unlock(this->lock); } } @@ -124,7 +124,7 @@ static bool issued_by(private_cert_cache_t *this, enumerator_t *enumerator; /* lookup cache */ - pthread_rwlock_rdlock(&this->lock); + this->lock->read_lock(this->lock); enumerator = this->relations->create_enumerator(this->relations); while (enumerator->enumerate(enumerator, ¤t)) { @@ -149,7 +149,7 @@ static bool issued_by(private_cert_cache_t *this, } } enumerator->destroy(enumerator); - pthread_rwlock_unlock(&this->lock); + this->lock->unlock(this->lock); if (found) { return TRUE; @@ -233,7 +233,7 @@ static bool certs_filter(cert_data_t *data, relation_t **in, certificate_t **out static void certs_destroy(cert_data_t *data) { ref_put(&data->this->enumerating); - pthread_rwlock_unlock(&data->this->lock); + data->this->lock->unlock(data->this->lock); if (data->this->check_required) { check_cache(data->this); @@ -260,7 +260,7 @@ static enumerator_t *create_enumerator(private_cert_cache_t *this, data->id = id; data->this = this; - pthread_rwlock_rdlock(&this->lock); + this->lock->read_lock(this->lock); ref_get(&this->enumerating); return enumerator_create_filter( this->relations->create_enumerator(this->relations), @@ -275,7 +275,7 @@ static void flush(private_cert_cache_t *this, certificate_type_t type) enumerator_t *enumerator; relation_t *relation; - pthread_rwlock_wrlock(&this->lock); + this->lock->write_lock(this->lock); enumerator = this->relations->create_enumerator(this->relations); while (enumerator->enumerate(enumerator, &relation)) { @@ -287,7 +287,7 @@ static void flush(private_cert_cache_t *this, certificate_type_t type) } } enumerator->destroy(enumerator); - pthread_rwlock_unlock(&this->lock); + this->lock->unlock(this->lock); } /** @@ -296,7 +296,7 @@ static void flush(private_cert_cache_t *this, certificate_type_t type) static void destroy(private_cert_cache_t *this) { this->relations->destroy_function(this->relations, (void*)relation_destroy); - pthread_rwlock_destroy(&this->lock); + this->lock->destroy(this->lock); free(this); } @@ -319,7 +319,7 @@ cert_cache_t *cert_cache_create() this->relations = linked_list_create(); this->enumerating = 0; this->check_required = FALSE; - pthread_rwlock_init(&this->lock, NULL); + this->lock = rwlock_create(RWLOCK_DEFAULT); return &this->public; } diff --git a/src/charon/daemon.c b/src/charon/daemon.c index 065f7d701..b9f173901 100644 --- a/src/charon/daemon.c +++ b/src/charon/daemon.c @@ -16,11 +16,6 @@ * for more details. */ -#ifdef HAVE_DLADDR -# define _GNU_SOURCE -# include <dlfcn.h> -#endif /* HAVE_DLADDR */ - #include <stdio.h> #include <sys/prctl.h> #include <signal.h> @@ -34,9 +29,6 @@ #include <errno.h> #include <pwd.h> #include <grp.h> -#ifdef HAVE_BACKTRACE -# include <execinfo.h> -#endif /* HAVE_BACKTRACE */ #ifdef CAPABILITIES #include <sys/capability.h> #endif /* CAPABILITIES */ @@ -44,6 +36,7 @@ #include "daemon.h" #include <library.h> +#include <utils/backtrace.h> #include <config/traffic_selector.h> #include <config/proposal.h> @@ -99,7 +92,7 @@ static void dbg_bus(int level, char *fmt, ...) va_list args; va_start(args, fmt); - charon->bus->vsignal(charon->bus, DBG_LIB, level, NULL, fmt, args); + charon->bus->vlog(charon->bus, DBG_LIB, level, fmt, args); va_end(args); } @@ -212,9 +205,10 @@ static void destroy(private_daemon_t *this) /* rehook library logging, shutdown logging */ dbg = dbg_stderr; DESTROY_IF(this->public.bus); - DESTROY_IF(this->public.outlog); - DESTROY_IF(this->public.syslog); - DESTROY_IF(this->public.authlog); + this->public.file_loggers->destroy_offset(this->public.file_loggers, + offsetof(file_logger_t, destroy)); + this->public.sys_loggers->destroy_offset(this->public.sys_loggers, + offsetof(sys_logger_t, destroy)); free(this); } @@ -317,38 +311,151 @@ static void lookup_uid_gid(private_daemon_t *this) } /** + * Log loaded plugins + */ +static void print_plugins() +{ + char buf[512], *plugin; + int len = 0; + enumerator_t *enumerator; + + enumerator = lib->plugins->create_plugin_enumerator(lib->plugins); + while (len < sizeof(buf) && enumerator->enumerate(enumerator, &plugin)) + { + len += snprintf(&buf[len], sizeof(buf)-len, "%s ", plugin); + } + enumerator->destroy(enumerator); + DBG1(DBG_DMN, "loaded plugins: %s", buf); +} + +/** + * Initialize logging + */ +static void initialize_loggers(private_daemon_t *this, bool use_stderr, + level_t levels[]) +{ + sys_logger_t *sys_logger; + file_logger_t *file_logger; + enumerator_t *enumerator; + char *facility, *filename; + int loggers_defined = 0; + debug_t group; + level_t def; + bool append; + FILE *file; + + /* setup sysloggers */ + enumerator = lib->settings->create_section_enumerator(lib->settings, + "charon.syslog"); + while (enumerator->enumerate(enumerator, &facility)) + { + loggers_defined++; + if (streq(facility, "daemon")) + { + sys_logger = sys_logger_create(LOG_DAEMON); + } + else if (streq(facility, "auth")) + { + sys_logger = sys_logger_create(LOG_AUTHPRIV); + } + else + { + continue; + } + def = lib->settings->get_int(lib->settings, + "charon.syslog.%s.default", 1, facility); + for (group = 0; group < DBG_MAX; group++) + { + sys_logger->set_level(sys_logger, group, + lib->settings->get_int(lib->settings, + "charon.syslog.%s.%N", def, + facility, debug_lower_names, group)); + } + this->public.sys_loggers->insert_last(this->public.sys_loggers, + sys_logger); + this->public.bus->add_listener(this->public.bus, &sys_logger->listener); + } + enumerator->destroy(enumerator); + + /* and file loggers */ + enumerator = lib->settings->create_section_enumerator(lib->settings, + "charon.filelog"); + while (enumerator->enumerate(enumerator, &filename)) + { + loggers_defined++; + if (streq(filename, "stderr")) + { + file = stderr; + } + else if (streq(filename, "stdout")) + { + file = stdout; + } + else + { + append = lib->settings->get_bool(lib->settings, + "charon.filelog.%s.append", TRUE, filename); + file = fopen(filename, append ? "a" : "w"); + if (file == NULL) + { + DBG1(DBG_DMN, "opening file %s for logging failed: %s", + filename, strerror(errno)); + continue; + } + } + file_logger = file_logger_create(file); + def = lib->settings->get_int(lib->settings, + "charon.filelog.%s.default", 1, filename); + for (group = 0; group < DBG_MAX; group++) + { + file_logger->set_level(file_logger, group, + lib->settings->get_int(lib->settings, + "charon.filelog.%s.%N", def, + filename, debug_lower_names, group)); + } + this->public.file_loggers->insert_last(this->public.file_loggers, + file_logger); + this->public.bus->add_listener(this->public.bus, &file_logger->listener); + + } + enumerator->destroy(enumerator); + + /* setup legacy style default loggers provided via command-line */ + if (!loggers_defined) + { + file_logger = file_logger_create(stdout); + sys_logger = sys_logger_create(LOG_DAEMON); + this->public.bus->add_listener(this->public.bus, &file_logger->listener); + this->public.bus->add_listener(this->public.bus, &sys_logger->listener); + this->public.file_loggers->insert_last(this->public.file_loggers, + file_logger); + this->public.sys_loggers->insert_last(this->public.sys_loggers, + sys_logger); + for (group = 0; group < DBG_MAX; group++) + { + sys_logger->set_level(sys_logger, group, levels[group]); + if (use_stderr) + { + file_logger->set_level(file_logger, group, levels[group]); + } + } + } +} + +/** * Initialize the daemon */ static bool initialize(private_daemon_t *this, bool syslog, level_t levels[]) { - signal_t signal; - /* for uncritical pseudo random numbers */ srandom(time(NULL) + getpid()); /* setup bus and it's listeners first to enable log output */ this->public.bus = bus_create(); - this->public.outlog = file_logger_create(stdout); - this->public.syslog = sys_logger_create(LOG_DAEMON); - this->public.authlog = sys_logger_create(LOG_AUTHPRIV); - this->public.bus->add_listener(this->public.bus, &this->public.syslog->listener); - this->public.bus->add_listener(this->public.bus, &this->public.outlog->listener); - this->public.bus->add_listener(this->public.bus, &this->public.authlog->listener); - this->public.authlog->set_level(this->public.authlog, SIG_ANY, LEVEL_AUDIT); /* set up hook to log dbg message in library via charons message bus */ dbg = dbg_bus; - /* apply loglevels */ - for (signal = 0; signal < DBG_MAX; signal++) - { - this->public.syslog->set_level(this->public.syslog, - signal, levels[signal]); - if (!syslog) - { - this->public.outlog->set_level(this->public.outlog, - signal, levels[signal]); - } - } + initialize_loggers(this, !syslog, levels); DBG1(DBG_DMN, "starting charon (strongSwan Version %s)", VERSION); @@ -368,6 +475,8 @@ static bool initialize(private_daemon_t *this, bool syslog, level_t levels[]) lib->plugins->load(lib->plugins, IPSEC_PLUGINDIR, lib->settings->get_str(lib->settings, "charon.load", PLUGINS)); + print_plugins(); + /* create the kernel interfaces */ this->public.kernel_interface->create_interfaces(this->public.kernel_interface); @@ -413,45 +522,13 @@ static bool initialize(private_daemon_t *this, bool syslog, level_t levels[]) */ static void segv_handler(int signal) { -#ifdef HAVE_BACKTRACE - void *array[20]; - size_t size; - char **strings; - size_t i; - - size = backtrace(array, 20); - strings = backtrace_symbols(array, size); - - DBG1(DBG_JOB, "thread %u received %s. Dumping %d frames from stack:", - pthread_self(), signal == SIGSEGV ? "SIGSEGV" : "SIGILL", size); - - for (i = 0; i < size; i++) - { -#ifdef HAVE_DLADDR - Dl_info info; - - if (dladdr(array[i], &info)) - { - void *ptr = array[i]; - if (strstr(info.dli_fname, ".so")) - { - ptr = (void*)(array[i] - info.dli_fbase); - } - DBG1(DBG_DMN, " %s [%p]", info.dli_fname, ptr); - } - else - { -#endif /* HAVE_DLADDR */ - DBG1(DBG_DMN, " %s", strings[i]); -#ifdef HAVE_DLADDR - } -#endif /* HAVE_DLADDR */ - } - free (strings); -#else /* !HAVE_BACKTRACE */ - DBG1(DBG_DMN, "thread %u received %s", - pthread_self(), signal == SIGSEGV ? "SIGSEGV" : "SIGILL"); -#endif /* HAVE_BACKTRACE */ + backtrace_t *backtrace; + + DBG1(DBG_DMN, "thread %u received %d", pthread_self(), signal); + backtrace = backtrace_create(2); + backtrace->log(backtrace, stderr); + backtrace->destroy(backtrace); + DBG1(DBG_DMN, "killing ourself, received critical signal"); raise(SIGKILL); } @@ -483,9 +560,8 @@ private_daemon_t *daemon_create(void) this->public.eap = NULL; this->public.sim = NULL; this->public.bus = NULL; - this->public.outlog = NULL; - this->public.syslog = NULL; - this->public.authlog = NULL; + this->public.file_loggers = linked_list_create(); + this->public.sys_loggers = linked_list_create(); #ifdef ME this->public.connect_manager = NULL; this->public.mediation_manager = NULL; @@ -514,6 +590,7 @@ private_daemon_t *daemon_create(void) sigaddset(&action.sa_mask, SIGHUP); sigaction(SIGSEGV, &action, NULL); sigaction(SIGILL, &action, NULL); + sigaction(SIGBUS, &action, NULL); action.sa_handler = SIG_IGN; sigaction(SIGPIPE, &action, NULL); @@ -555,7 +632,7 @@ int main(int argc, char *argv[]) FILE *pid_file; struct stat stb; level_t levels[DBG_MAX]; - int signal; + int group; /* logging for library during initialization, as we have no bus yet */ dbg = dbg_stderr; @@ -572,9 +649,9 @@ int main(int argc, char *argv[]) lookup_uid_gid(private_charon); /* use CTRL loglevel for default */ - for (signal = 0; signal < DBG_MAX; signal++) + for (group = 0; group < DBG_MAX; group++) { - levels[signal] = LEVEL_CTRL; + levels[group] = LEVEL_CTRL; } /* handle arguments */ @@ -585,16 +662,16 @@ int main(int argc, char *argv[]) { "version", no_argument, NULL, 'v' }, { "use-syslog", no_argument, NULL, 'l' }, /* TODO: handle "debug-all" */ - { "debug-dmn", required_argument, &signal, DBG_DMN }, - { "debug-mgr", required_argument, &signal, DBG_MGR }, - { "debug-ike", required_argument, &signal, DBG_IKE }, - { "debug-chd", required_argument, &signal, DBG_CHD }, - { "debug-job", required_argument, &signal, DBG_JOB }, - { "debug-cfg", required_argument, &signal, DBG_CFG }, - { "debug-knl", required_argument, &signal, DBG_KNL }, - { "debug-net", required_argument, &signal, DBG_NET }, - { "debug-enc", required_argument, &signal, DBG_ENC }, - { "debug-lib", required_argument, &signal, DBG_LIB }, + { "debug-dmn", required_argument, &group, DBG_DMN }, + { "debug-mgr", required_argument, &group, DBG_MGR }, + { "debug-ike", required_argument, &group, DBG_IKE }, + { "debug-chd", required_argument, &group, DBG_CHD }, + { "debug-job", required_argument, &group, DBG_JOB }, + { "debug-cfg", required_argument, &group, DBG_CFG }, + { "debug-knl", required_argument, &group, DBG_KNL }, + { "debug-net", required_argument, &group, DBG_NET }, + { "debug-enc", required_argument, &group, DBG_ENC }, + { "debug-lib", required_argument, &group, DBG_LIB }, { 0,0,0,0 } }; @@ -613,8 +690,8 @@ int main(int argc, char *argv[]) use_syslog = TRUE; continue; case 0: - /* option is in signal */ - levels[signal] = atoi(optarg); + /* option is in group */ + levels[group] = atoi(optarg); continue; default: usage(""); @@ -642,7 +719,7 @@ int main(int argc, char *argv[]) if (pid_file) { fprintf(pid_file, "%d\n", getpid()); - fchown(fileno(pid_file), charon->uid, charon->gid); + ignore_result(fchown(fileno(pid_file), charon->uid, charon->gid)); fclose(pid_file); } diff --git a/src/charon/daemon.h b/src/charon/daemon.h index 62a286f04..89e03eb93 100644 --- a/src/charon/daemon.h +++ b/src/charon/daemon.h @@ -15,7 +15,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: daemon.h 4406 2008-10-10 08:36:01Z martin $ + * $Id: daemon.h 4622 2008-11-11 10:52:37Z martin $ */ /** @@ -217,7 +217,7 @@ struct daemon_t { backend_manager_t *backends; /** - * Manager IKEv2 cfg payload attributes + * Manager for IKEv2 cfg payload attributes */ attribute_manager_t *attributes; @@ -252,19 +252,14 @@ struct daemon_t { bus_t *bus; /** - * A bus listener logging to stdout + * A list of installed file_logger_t's */ - file_logger_t *outlog; + linked_list_t *file_loggers; /** - * A bus listener logging to syslog + * A list of installed sys_logger_t's */ - sys_logger_t *syslog; - - /** - * A bus listener logging most important events - */ - sys_logger_t *authlog; + linked_list_t *sys_loggers; /** * Kernel Interface to communicate with kernel diff --git a/src/charon/encoding/payloads/payload.c b/src/charon/encoding/payloads/payload.c index 17986dd58..71350458f 100644 --- a/src/charon/encoding/payloads/payload.c +++ b/src/charon/encoding/payloads/payload.c @@ -14,7 +14,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: payload.c 3666 2008-03-26 18:40:19Z tobias $ + * $Id: payload.c 4618 2008-11-11 09:22:00Z tobias $ */ @@ -62,9 +62,15 @@ ENUM_NEXT(payload_type_names, SECURITY_ASSOCIATION, EXTENSIBLE_AUTHENTICATION, N ENUM_NEXT(payload_type_names, ID_PEER, ID_PEER, EXTENSIBLE_AUTHENTICATION, "ID_PEER"); ENUM_NEXT(payload_type_names, HEADER, UNKNOWN_PAYLOAD, ID_PEER, + "HEADER", + "PROPOSAL_SUBSTRUCTURE", + "TRANSFORM_SUBSTRUCTURE", + "TRANSFORM_ATTRIBUTE", + "TRAFFIC_SELECTOR_SUBSTRUCTURE", + "CONFIGURATION_ATTRIBUTE", + "UNKNOWN_PAYLOAD"); #else ENUM_NEXT(payload_type_names, HEADER, UNKNOWN_PAYLOAD, EXTENSIBLE_AUTHENTICATION, -#endif /* ME */ "HEADER", "PROPOSAL_SUBSTRUCTURE", "TRANSFORM_SUBSTRUCTURE", @@ -72,6 +78,7 @@ ENUM_NEXT(payload_type_names, HEADER, UNKNOWN_PAYLOAD, EXTENSIBLE_AUTHENTICATION "TRAFFIC_SELECTOR_SUBSTRUCTURE", "CONFIGURATION_ATTRIBUTE", "UNKNOWN_PAYLOAD"); +#endif /* ME */ ENUM_END(payload_type_names, UNKNOWN_PAYLOAD); /* short forms of payload names */ @@ -98,9 +105,15 @@ ENUM_NEXT(payload_type_short_names, SECURITY_ASSOCIATION, EXTENSIBLE_AUTHENTICAT ENUM_NEXT(payload_type_short_names, ID_PEER, ID_PEER, EXTENSIBLE_AUTHENTICATION, "IDp"); ENUM_NEXT(payload_type_short_names, HEADER, UNKNOWN_PAYLOAD, ID_PEER, + "HDR", + "PROP", + "TRANS", + "TRANSATTR", + "TSSUB", + "CPATTR", + "??"); #else ENUM_NEXT(payload_type_short_names, HEADER, UNKNOWN_PAYLOAD, EXTENSIBLE_AUTHENTICATION, -#endif /* ME */ "HDR", "PROP", "TRANS", @@ -108,6 +121,7 @@ ENUM_NEXT(payload_type_short_names, HEADER, UNKNOWN_PAYLOAD, EXTENSIBLE_AUTHENTI "TSSUB", "CPATTR", "??"); +#endif /* ME */ ENUM_END(payload_type_short_names, UNKNOWN_PAYLOAD); /* diff --git a/src/charon/encoding/payloads/traffic_selector_substructure.c b/src/charon/encoding/payloads/traffic_selector_substructure.c index f6042b4b6..eb5bbc626 100644 --- a/src/charon/encoding/payloads/traffic_selector_substructure.c +++ b/src/charon/encoding/payloads/traffic_selector_substructure.c @@ -13,7 +13,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: traffic_selector_substructure.c 3589 2008-03-13 14:14:44Z martin $ + * $Id: traffic_selector_substructure.c 4639 2008-11-12 15:09:24Z martin $ */ #include "traffic_selector_substructure.h" @@ -269,8 +269,8 @@ traffic_selector_substructure_t *traffic_selector_substructure_create_from_traff this->ip_protocol_id = traffic_selector->get_protocol(traffic_selector); this->start_port = traffic_selector->get_from_port(traffic_selector); this->end_port = traffic_selector->get_to_port(traffic_selector); - this->starting_address = traffic_selector->get_from_address(traffic_selector); - this->ending_address = traffic_selector->get_to_address(traffic_selector); + this->starting_address = chunk_clone(traffic_selector->get_from_address(traffic_selector)); + this->ending_address = chunk_clone(traffic_selector->get_to_address(traffic_selector)); compute_length(this); diff --git a/src/charon/kernel/kernel_interface.c b/src/charon/kernel/kernel_interface.c index 3c82b580e..f078f3a00 100644 --- a/src/charon/kernel/kernel_interface.c +++ b/src/charon/kernel/kernel_interface.c @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: kernel_interface.c 4406 2008-10-10 08:36:01Z martin $ + * $Id: kernel_interface.c 4655 2008-11-14 13:04:22Z martin $ */ #include "kernel_interface.h" @@ -85,43 +85,34 @@ static status_t get_cpi(private_kernel_interface_t *this, host_t *src, host_t *d static status_t add_sa(private_kernel_interface_t *this, host_t *src, host_t *dst, u_int32_t spi, protocol_id_t protocol, u_int32_t reqid, u_int64_t expire_soft, u_int64_t expire_hard, - u_int16_t enc_alg, u_int16_t enc_size, - u_int16_t int_alg, u_int16_t int_size, - prf_plus_t *prf_plus, ipsec_mode_t mode, u_int16_t ipcomp, bool encap, - bool update) + u_int16_t enc_alg, chunk_t enc_key, + u_int16_t int_alg, chunk_t int_key, + ipsec_mode_t mode, u_int16_t ipcomp, u_int16_t cpi, bool encap, + bool inbound) { return this->ipsec->add_sa(this->ipsec, src, dst, spi, protocol, reqid, - expire_soft, expire_hard, enc_alg, enc_size, int_alg, int_size, - prf_plus, mode, ipcomp, encap, update); + expire_soft, expire_hard, enc_alg, enc_key, int_alg, int_key, + mode, ipcomp, cpi, encap, inbound); } /** * Implementation of kernel_interface_t.update_sa */ static status_t update_sa(private_kernel_interface_t *this, u_int32_t spi, - protocol_id_t protocol, host_t *src, host_t *dst, - host_t *new_src, host_t *new_dst, bool encap) + protocol_id_t protocol, u_int16_t cpi, host_t *src, host_t *dst, + host_t *new_src, host_t *new_dst, bool encap, bool new_encap) { - return this->ipsec->update_sa(this->ipsec, spi, protocol, src, dst, new_src, - new_dst, encap); -} - -/** - * Implementation of kernel_interface_t.query_sa - */ -static status_t query_sa(private_kernel_interface_t *this, host_t *dst, u_int32_t spi, - protocol_id_t protocol, u_int32_t *use_time) -{ - return this->ipsec->query_sa(this->ipsec, dst, spi, protocol, use_time); + return this->ipsec->update_sa(this->ipsec, spi, protocol, cpi, src, dst, + new_src, new_dst, encap, new_encap); } /** * Implementation of kernel_interface_t.del_sa */ static status_t del_sa(private_kernel_interface_t *this, host_t *dst, u_int32_t spi, - protocol_id_t protocol) + protocol_id_t protocol, u_int16_t cpi) { - return this->ipsec->del_sa(this->ipsec, dst, spi, protocol); + return this->ipsec->del_sa(this->ipsec, dst, spi, protocol, cpi); } /** @@ -129,12 +120,12 @@ static status_t del_sa(private_kernel_interface_t *this, host_t *dst, u_int32_t */ static status_t add_policy(private_kernel_interface_t *this, host_t *src, host_t *dst, traffic_selector_t *src_ts, traffic_selector_t *dst_ts, - policy_dir_t direction, protocol_id_t protocol, - u_int32_t reqid, bool high_prio, ipsec_mode_t mode, - u_int16_t ipcomp) + policy_dir_t direction, u_int32_t spi, protocol_id_t protocol, + u_int32_t reqid, ipsec_mode_t mode, u_int16_t ipcomp, u_int16_t cpi, + bool routed) { return this->ipsec->add_policy(this->ipsec, src, dst, src_ts, dst_ts, - direction, protocol, reqid, high_prio, mode, ipcomp); + direction, spi, protocol, reqid, mode, ipcomp, cpi, routed); } /** @@ -152,9 +143,9 @@ static status_t query_policy(private_kernel_interface_t *this, */ static status_t del_policy(private_kernel_interface_t *this, traffic_selector_t *src_ts, traffic_selector_t *dst_ts, - policy_dir_t direction) + policy_dir_t direction, bool unrouted) { - return this->ipsec->del_policy(this->ipsec, src_ts, dst_ts, direction); + return this->ipsec->del_policy(this->ipsec, src_ts, dst_ts, direction, unrouted); } /** @@ -231,6 +222,64 @@ static status_t del_route(private_kernel_interface_t *this, chunk_t dst_net, /** + * Implementation of kernel_interface_t.get_address_by_ts + */ +static status_t get_address_by_ts(private_kernel_interface_t *this, + traffic_selector_t *ts, host_t **ip) +{ + enumerator_t *addrs; + host_t *host; + int family; + bool found = FALSE; + + DBG2(DBG_KNL, "getting a local address in traffic selector %R", ts); + + /* if we have a family which includes localhost, we do not + * search for an IP, we use the default */ + family = ts->get_type(ts) == TS_IPV4_ADDR_RANGE ? AF_INET : AF_INET6; + + if (family == AF_INET) + { + host = host_create_from_string("127.0.0.1", 0); + } + else + { + host = host_create_from_string("::1", 0); + } + + if (ts->includes(ts, host)) + { + *ip = host_create_any(family); + host->destroy(host); + DBG2(DBG_KNL, "using host %H", *ip); + return SUCCESS; + } + host->destroy(host); + + addrs = create_address_enumerator(this, TRUE, TRUE); + while (addrs->enumerate(addrs, (void**)&host)) + { + if (ts->includes(ts, host)) + { + found = TRUE; + *ip = host->clone(host); + break; + } + } + addrs->destroy(addrs); + + if (!found) + { + DBG1(DBG_KNL, "no local address found in traffic selector %R", ts); + return FAILED; + } + + DBG2(DBG_KNL, "using host %H", *ip); + return SUCCESS; +} + + +/** * Implementation of kernel_interface_t.add_ipsec_interface. */ static void add_ipsec_interface(private_kernel_interface_t *this, @@ -253,7 +302,7 @@ static void remove_ipsec_interface(private_kernel_interface_t *this, } /** - * Implementation of kernel_interface_t.add_ipsec_interface. + * Implementation of kernel_interface_t.add_net_interface. */ static void add_net_interface(private_kernel_interface_t *this, kernel_net_constructor_t *create) @@ -264,7 +313,7 @@ static void add_net_interface(private_kernel_interface_t *this, } /** - * Implementation of kernel_interface_t.remove_ipsec_interface. + * Implementation of kernel_interface_t.remove_net_interface. */ static void remove_net_interface(private_kernel_interface_t *this, kernel_net_constructor_t *create) @@ -322,13 +371,12 @@ kernel_interface_t *kernel_interface_create() this->public.get_spi = (status_t(*)(kernel_interface_t*,host_t*,host_t*,protocol_id_t,u_int32_t,u_int32_t*))get_spi; this->public.get_cpi = (status_t(*)(kernel_interface_t*,host_t*,host_t*,u_int32_t,u_int16_t*))get_cpi; - this->public.add_sa = (status_t(*)(kernel_interface_t *,host_t*,host_t*,u_int32_t,protocol_id_t,u_int32_t,u_int64_t,u_int64_t,u_int16_t,u_int16_t,u_int16_t,u_int16_t,prf_plus_t*,ipsec_mode_t,u_int16_t,bool,bool))add_sa; - this->public.update_sa = (status_t(*)(kernel_interface_t*,u_int32_t,protocol_id_t,host_t*,host_t*,host_t*,host_t*,bool))update_sa; - this->public.query_sa = (status_t(*)(kernel_interface_t*,host_t*,u_int32_t,protocol_id_t,u_int32_t*))query_sa; - this->public.del_sa = (status_t(*)(kernel_interface_t*,host_t*,u_int32_t,protocol_id_t))del_sa; - this->public.add_policy = (status_t(*)(kernel_interface_t*,host_t*,host_t*,traffic_selector_t*,traffic_selector_t*,policy_dir_t,protocol_id_t,u_int32_t,bool,ipsec_mode_t,u_int16_t))add_policy; + this->public.add_sa = (status_t(*)(kernel_interface_t *,host_t*,host_t*,u_int32_t,protocol_id_t,u_int32_t,u_int64_t,u_int64_t,u_int16_t,chunk_t,u_int16_t,chunk_t,ipsec_mode_t,u_int16_t,u_int16_t,bool,bool))add_sa; + this->public.update_sa = (status_t(*)(kernel_interface_t*,u_int32_t,protocol_id_t,u_int16_t,host_t*,host_t*,host_t*,host_t*,bool,bool))update_sa; + this->public.del_sa = (status_t(*)(kernel_interface_t*,host_t*,u_int32_t,protocol_id_t,u_int16_t))del_sa; + this->public.add_policy = (status_t(*)(kernel_interface_t*,host_t*,host_t*,traffic_selector_t*,traffic_selector_t*,policy_dir_t,u_int32_t,protocol_id_t,u_int32_t,ipsec_mode_t,u_int16_t,u_int16_t,bool))add_policy; this->public.query_policy = (status_t(*)(kernel_interface_t*,traffic_selector_t*,traffic_selector_t*,policy_dir_t,u_int32_t*))query_policy; - this->public.del_policy = (status_t(*)(kernel_interface_t*,traffic_selector_t*,traffic_selector_t*,policy_dir_t))del_policy; + this->public.del_policy = (status_t(*)(kernel_interface_t*,traffic_selector_t*,traffic_selector_t*,policy_dir_t,bool))del_policy; this->public.get_source_addr = (host_t*(*)(kernel_interface_t*, host_t *dest, host_t *src))get_source_addr; this->public.get_nexthop = (host_t*(*)(kernel_interface_t*, host_t *dest))get_nexthop; @@ -339,6 +387,8 @@ kernel_interface_t *kernel_interface_create() this->public.add_route = (status_t(*)(kernel_interface_t*,chunk_t,u_int8_t,host_t*,host_t*,char*)) add_route; this->public.del_route = (status_t(*)(kernel_interface_t*,chunk_t,u_int8_t,host_t*,host_t*,char*)) del_route; + this->public.get_address_by_ts = (status_t(*)(kernel_interface_t*,traffic_selector_t*,host_t**))get_address_by_ts; + this->public.add_ipsec_interface = (void(*)(kernel_interface_t*, kernel_ipsec_constructor_t))add_ipsec_interface; this->public.remove_ipsec_interface = (void(*)(kernel_interface_t*, kernel_ipsec_constructor_t))remove_ipsec_interface; this->public.add_net_interface = (void(*)(kernel_interface_t*, kernel_net_constructor_t))add_net_interface; diff --git a/src/charon/kernel/kernel_interface.h b/src/charon/kernel/kernel_interface.h index b3bf907e5..3c3b05c81 100644 --- a/src/charon/kernel/kernel_interface.h +++ b/src/charon/kernel/kernel_interface.h @@ -15,7 +15,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: kernel_interface.h 4386 2008-10-08 08:23:46Z martin $ + * $Id: kernel_interface.h 4618 2008-11-11 09:22:00Z tobias $ */ /** @@ -56,10 +56,6 @@ struct kernel_interface_t { /** * Get a SPI from the kernel. * - * @warning get_spi() implicitly creates an SA with - * the allocated SPI, therefore the replace flag - * in add_sa() must be set when installing this SA. - * * @param src source address of SA * @param dst destination address of SA * @param protocol protocol for SA (ESP/AH) @@ -101,25 +97,24 @@ struct kernel_interface_t { * @param expire_soft lifetime in seconds before rekeying * @param expire_hard lifetime in seconds before delete * @param enc_alg Algorithm to use for encryption (ESP only) - * @param enc_size key length of encryption algorithm, if dynamic + * @param enc_key key to use for encryption * @param int_alg Algorithm to use for integrity protection - * @param int_size key length of integrity algorithm, if dynamic - * @param prf_plus PRF to derive keys from + * @param int_key key to use for integrity protection * @param mode mode of the SA (tunnel, transport) * @param ipcomp IPComp transform to use + * @param cpi CPI for IPComp * @param encap enable UDP encapsulation for NAT traversal - * @param replace Should an already installed SA be updated? + * @param inbound TRUE if this is an inbound SA * @return SUCCESS if operation completed */ status_t (*add_sa) (kernel_interface_t *this, host_t *src, host_t *dst, u_int32_t spi, protocol_id_t protocol, u_int32_t reqid, u_int64_t expire_soft, u_int64_t expire_hard, - u_int16_t enc_alg, u_int16_t enc_size, - u_int16_t int_alg, u_int16_t int_size, - prf_plus_t *prf_plus, ipsec_mode_t mode, - u_int16_t ipcomp, bool encap, - bool update); + u_int16_t enc_alg, chunk_t enc_key, + u_int16_t int_alg, chunk_t int_key, + ipsec_mode_t mode, u_int16_t ipcomp, u_int16_t cpi, + bool encap, bool inbound); /** * Update the hosts on an installed SA. @@ -131,32 +126,21 @@ struct kernel_interface_t { * * @param spi SPI of the SA * @param protocol protocol for this SA (ESP/AH) + * @param cpi CPI for IPComp, 0 if no IPComp is used * @param src current source address * @param dst current destination address * @param new_src new source address * @param new_dst new destination address - * @param encap use UDP encapsulation - * @return SUCCESS if operation completed + * @param encap current use of UDP encapsulation + * @param new_encap new use of UDP encapsulation + * @return SUCCESS if operation completed, NOT_SUPPORTED if + * the kernel interface can't update the SA */ status_t (*update_sa)(kernel_interface_t *this, - u_int32_t spi, protocol_id_t protocol, + u_int32_t spi, protocol_id_t protocol, u_int16_t cpi, host_t *src, host_t *dst, - host_t *new_src, host_t *new_dst, bool encap); - - /** - * Query the use time of an SA. - * - * The use time of an SA is not the time of the last usage, but - * the time of the first usage of the SA. - * - * @param dst destination address for this SA - * @param spi SPI allocated by us or remote peer - * @param protocol protocol for this SA (ESP/AH) - * @param use_time pointer receives the time of this SA's last use - * @return SUCCESS if operation completed - */ - status_t (*query_sa) (kernel_interface_t *this, host_t *dst, u_int32_t spi, - protocol_id_t protocol, u_int32_t *use_time); + host_t *new_src, host_t *new_dst, + bool encap, bool new_encap); /** * Delete a previously installed SA from the SAD. @@ -164,10 +148,11 @@ struct kernel_interface_t { * @param dst destination address for this SA * @param spi SPI allocated by us or remote peer * @param protocol protocol for this SA (ESP/AH) + * @param cpi CPI for IPComp or 0 * @return SUCCESS if operation completed */ status_t (*del_sa) (kernel_interface_t *this, host_t *dst, u_int32_t spi, - protocol_id_t protocol); + protocol_id_t protocol, u_int16_t cpi); /** * Add a policy to the SPD. @@ -180,20 +165,23 @@ struct kernel_interface_t { * @param src_ts traffic selector to match traffic source * @param dst_ts traffic selector to match traffic dest * @param direction direction of traffic, POLICY_IN, POLICY_OUT, POLICY_FWD + * @param spi SPI of SA * @param protocol protocol to use to protect traffic (AH/ESP) * @param reqid unique ID of an SA to use to enforce policy - * @param high_prio if TRUE, uses a higher priority than any with FALSE * @param mode mode of SA (tunnel, transport) * @param ipcomp the IPComp transform used + * @param cpi CPI for IPComp + * @param routed TRUE, if this policy is routed in the kernel * @return SUCCESS if operation completed */ status_t (*add_policy) (kernel_interface_t *this, host_t *src, host_t *dst, traffic_selector_t *src_ts, traffic_selector_t *dst_ts, - policy_dir_t direction, protocol_id_t protocol, - u_int32_t reqid, bool high_prio, ipsec_mode_t mode, - u_int16_t ipcomp); + policy_dir_t direction, u_int32_t spi, + protocol_id_t protocol, u_int32_t reqid, + ipsec_mode_t mode, u_int16_t ipcomp, u_int16_t cpi, + bool routed); /** * Query the use time of a policy. @@ -223,12 +211,14 @@ struct kernel_interface_t { * @param src_ts traffic selector to match traffic source * @param dst_ts traffic selector to match traffic dest * @param direction direction of traffic, POLICY_IN, POLICY_OUT, POLICY_FWD + * @param unrouted TRUE, if this policy is unrouted from the kernel * @return SUCCESS if operation completed */ status_t (*del_policy) (kernel_interface_t *this, traffic_selector_t *src_ts, traffic_selector_t *dst_ts, - policy_dir_t direction); + policy_dir_t direction, + bool unrouted); /** * Get our outgoing source address for a destination. @@ -335,6 +325,17 @@ struct kernel_interface_t { */ /** + * Tries to find an ip address of a local interface that is included in the + * supplied traffic selector. + * + * @param ts traffic selector + * @param ip returned ip (has to be destroyed) + * @return SUCCESS if address found + */ + status_t (*get_address_by_ts) (kernel_interface_t *this, + traffic_selector_t *ts, host_t **ip); + + /** * Register an ipsec kernel interface constructor on the manager. * * @param create constructor to register diff --git a/src/charon/kernel/kernel_ipsec.c b/src/charon/kernel/kernel_ipsec.c index bae8ee125..1fef2acca 100644 --- a/src/charon/kernel/kernel_ipsec.c +++ b/src/charon/kernel/kernel_ipsec.c @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: kernel_ipsec.c 4358 2008-09-25 13:56:23Z tobias $ + * $Id: kernel_ipsec.c 4430 2008-10-14 08:46:31Z tobias $ */ #include "kernel_ipsec.h" @@ -24,3 +24,10 @@ ENUM(ipsec_mode_names, MODE_TRANSPORT, MODE_BEET, "3", "BEET", ); + +ENUM(policy_dir_names, POLICY_IN, POLICY_FWD, + "in", + "out", + "fwd" +); + diff --git a/src/charon/kernel/kernel_ipsec.h b/src/charon/kernel/kernel_ipsec.h index 67786a74f..de7068fb9 100644 --- a/src/charon/kernel/kernel_ipsec.h +++ b/src/charon/kernel/kernel_ipsec.h @@ -15,7 +15,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: kernel_ipsec.h 4358 2008-09-25 13:56:23Z tobias $ + * $Id: kernel_ipsec.h 4618 2008-11-11 09:22:00Z tobias $ */ /** @@ -68,6 +68,11 @@ enum policy_dir_t { }; /** + * enum names for policy_dir_t. + */ +extern enum_name_t *policy_dir_names; + +/** * Interface to the ipsec subsystem of the kernel. * * The kernel ipsec interface handles the communication with the kernel @@ -83,10 +88,6 @@ struct kernel_ipsec_t { /** * Get a SPI from the kernel. * - * @warning get_spi() implicitly creates an SA with - * the allocated SPI, therefore the replace flag - * in add_sa() must be set when installing this SA. - * * @param src source address of SA * @param dst destination address of SA * @param protocol protocol for SA (ESP/AH) @@ -128,25 +129,24 @@ struct kernel_ipsec_t { * @param expire_soft lifetime in seconds before rekeying * @param expire_hard lifetime in seconds before delete * @param enc_alg Algorithm to use for encryption (ESP only) - * @param enc_size key length of encryption algorithm, if dynamic + * @param enc_key key to use for encryption * @param int_alg Algorithm to use for integrity protection - * @param int_size key length of integrity algorithm, if dynamic - * @param prf_plus PRF to derive keys from + * @param int_key key to use for integrity protection * @param mode mode of the SA (tunnel, transport) * @param ipcomp IPComp transform to use + * @param cpi CPI for IPComp * @param encap enable UDP encapsulation for NAT traversal - * @param replace Should an already installed SA be updated? + * @param inbound TRUE if this is an inbound SA * @return SUCCESS if operation completed */ status_t (*add_sa) (kernel_ipsec_t *this, host_t *src, host_t *dst, u_int32_t spi, protocol_id_t protocol, u_int32_t reqid, u_int64_t expire_soft, u_int64_t expire_hard, - u_int16_t enc_alg, u_int16_t enc_size, - u_int16_t int_alg, u_int16_t int_size, - prf_plus_t *prf_plus, ipsec_mode_t mode, - u_int16_t ipcomp, bool encap, - bool update); + u_int16_t enc_alg, chunk_t enc_key, + u_int16_t int_alg, chunk_t int_key, + ipsec_mode_t mode, u_int16_t ipcomp, u_int16_t cpi, + bool encap, bool inbound); /** * Update the hosts on an installed SA. @@ -158,32 +158,21 @@ struct kernel_ipsec_t { * * @param spi SPI of the SA * @param protocol protocol for this SA (ESP/AH) + * @param cpi CPI for IPComp, 0 if no IPComp is used * @param src current source address * @param dst current destination address * @param new_src new source address * @param new_dst new destination address - * @param encap use UDP encapsulation - * @return SUCCESS if operation completed + * @param encap current use of UDP encapsulation + * @param new_encap new use of UDP encapsulation + * @return SUCCESS if operation completed, NOT_SUPPORTED if + * the kernel interface can't update the SA */ status_t (*update_sa)(kernel_ipsec_t *this, - u_int32_t spi, protocol_id_t protocol, + u_int32_t spi, protocol_id_t protocol, u_int16_t cpi, host_t *src, host_t *dst, - host_t *new_src, host_t *new_dst, bool encap); - - /** - * Query the use time of an SA. - * - * The use time of an SA is not the time of the last usage, but - * the time of the first usage of the SA. - * - * @param dst destination address for this SA - * @param spi SPI allocated by us or remote peer - * @param protocol protocol for this SA (ESP/AH) - * @param use_time pointer receives the time of this SA's last use - * @return SUCCESS if operation completed - */ - status_t (*query_sa) (kernel_ipsec_t *this, host_t *dst, u_int32_t spi, - protocol_id_t protocol, u_int32_t *use_time); + host_t *new_src, host_t *new_dst, + bool encap, bool new_encap); /** * Delete a previusly installed SA from the SAD. @@ -191,10 +180,11 @@ struct kernel_ipsec_t { * @param dst destination address for this SA * @param spi SPI allocated by us or remote peer * @param protocol protocol for this SA (ESP/AH) + * @param cpi CPI for IPComp or 0 * @return SUCCESS if operation completed */ status_t (*del_sa) (kernel_ipsec_t *this, host_t *dst, u_int32_t spi, - protocol_id_t protocol); + protocol_id_t protocol, u_int16_t cpi); /** * Add a policy to the SPD. @@ -207,20 +197,23 @@ struct kernel_ipsec_t { * @param src_ts traffic selector to match traffic source * @param dst_ts traffic selector to match traffic dest * @param direction direction of traffic, POLICY_IN, POLICY_OUT, POLICY_FWD + * @param spi SPI of SA * @param protocol protocol to use to protect traffic (AH/ESP) * @param reqid unique ID of an SA to use to enforce policy - * @param high_prio if TRUE, uses a higher priority than any with FALSE * @param mode mode of SA (tunnel, transport) * @param ipcomp the IPComp transform used + * @param cpi CPI for IPComp + * @param routed TRUE, if this policy is routed in the kernel * @return SUCCESS if operation completed */ status_t (*add_policy) (kernel_ipsec_t *this, host_t *src, host_t *dst, traffic_selector_t *src_ts, traffic_selector_t *dst_ts, - policy_dir_t direction, protocol_id_t protocol, - u_int32_t reqid, bool high_prio, ipsec_mode_t mode, - u_int16_t ipcomp); + policy_dir_t direction, u_int32_t spi, + protocol_id_t protocol, u_int32_t reqid, + ipsec_mode_t mode, u_int16_t ipcomp, u_int16_t cpi, + bool routed); /** * Query the use time of a policy. @@ -250,12 +243,14 @@ struct kernel_ipsec_t { * @param src_ts traffic selector to match traffic source * @param dst_ts traffic selector to match traffic dest * @param direction direction of traffic, POLICY_IN, POLICY_OUT, POLICY_FWD + * @param unrouted TRUE, if this policy is unrouted from the kernel * @return SUCCESS if operation completed */ status_t (*del_policy) (kernel_ipsec_t *this, traffic_selector_t *src_ts, traffic_selector_t *dst_ts, - policy_dir_t direction); + policy_dir_t direction, + bool unrouted); /** * Destroy the implementation. diff --git a/src/charon/network/sender.c b/src/charon/network/sender.c index 60a08d0c3..3295ec2df 100644 --- a/src/charon/network/sender.c +++ b/src/charon/network/sender.c @@ -13,7 +13,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: sender.c 3742 2008-04-03 09:19:12Z tobias $ + * $Id: sender.c 4582 2008-11-05 12:24:36Z martin $ */ #include <stdlib.h> @@ -24,6 +24,7 @@ #include <daemon.h> #include <network/socket.h> #include <processing/jobs/callback_job.h> +#include <utils/mutex.h> typedef struct private_sender_t private_sender_t; @@ -50,17 +51,17 @@ struct private_sender_t { /** * mutex to synchronize access to list */ - pthread_mutex_t mutex; + mutex_t *mutex; /** * condvar to signal for packets added to list */ - pthread_cond_t gotone; + condvar_t *got; /** * condvar to signal for packets sent */ - pthread_cond_t sentone; + condvar_t *sent; }; /** @@ -74,10 +75,10 @@ static void send_(private_sender_t *this, packet_t *packet) dst = packet->get_destination(packet); DBG1(DBG_NET, "sending packet: from %#H to %#H", src, dst); - pthread_mutex_lock(&this->mutex); + this->mutex->lock(this->mutex); this->list->insert_last(this->list, packet); - pthread_cond_signal(&this->gotone); - pthread_mutex_unlock(&this->mutex); + this->got->signal(this->got); + this->mutex->unlock(this->mutex); } /** @@ -88,21 +89,21 @@ static job_requeue_t send_packets(private_sender_t * this) packet_t *packet; int oldstate; - pthread_mutex_lock(&this->mutex); + this->mutex->lock(this->mutex); while (this->list->get_count(this->list) == 0) { /* add cleanup handler, wait for packet, remove cleanup handler */ - pthread_cleanup_push((void(*)(void*))pthread_mutex_unlock, (void*)&this->mutex); + pthread_cleanup_push((void(*)(void*))this->mutex->unlock, this->mutex); pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &oldstate); - pthread_cond_wait(&this->gotone, &this->mutex); + this->got->wait(this->got, this->mutex); pthread_setcancelstate(oldstate, NULL); pthread_cleanup_pop(0); } this->list->remove_first(this->list, (void**)&packet); - pthread_cond_signal(&this->sentone); - pthread_mutex_unlock(&this->mutex); + this->sent->signal(this->sent); + this->mutex->unlock(this->mutex); charon->socket->send(charon->socket, packet); packet->destroy(packet); @@ -115,15 +116,17 @@ static job_requeue_t send_packets(private_sender_t * this) static void destroy(private_sender_t *this) { /* send all packets in the queue */ - pthread_mutex_lock(&this->mutex); + this->mutex->lock(this->mutex); while (this->list->get_count(this->list)) { - pthread_cond_wait(&this->sentone, &this->mutex); + this->sent->wait(this->sent, this->mutex); } - pthread_mutex_unlock(&this->mutex); - pthread_mutex_destroy(&this->mutex); + this->mutex->unlock(this->mutex); this->job->cancel(this->job); this->list->destroy(this->list); + this->got->destroy(this->got); + this->sent->destroy(this->sent); + this->mutex->destroy(this->mutex); free(this); } @@ -133,19 +136,19 @@ static void destroy(private_sender_t *this) sender_t * sender_create() { private_sender_t *this = malloc_thing(private_sender_t); - + this->public.send = (void(*)(sender_t*,packet_t*))send_; this->public.destroy = (void(*)(sender_t*)) destroy; - + this->list = linked_list_create(); - pthread_mutex_init(&this->mutex, NULL); - pthread_cond_init(&this->gotone, NULL); - pthread_cond_init(&this->sentone, NULL); - + this->mutex = mutex_create(MUTEX_DEFAULT); + this->got = condvar_create(CONDVAR_DEFAULT); + this->sent = condvar_create(CONDVAR_DEFAULT); + this->job = callback_job_create((callback_job_cb_t)send_packets, this, NULL, NULL); charon->processor->queue_job(charon->processor, (job_t*)this->job); - + return &this->public; } diff --git a/src/charon/network/socket-raw.c b/src/charon/network/socket-raw.c index 5d1623ffd..40218f67d 100644 --- a/src/charon/network/socket-raw.c +++ b/src/charon/network/socket-raw.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2006 Tobias Brunner, Daniel Roethlisberger - * Copyright (C) 2005-2006 Martin Willi + * Copyright (C) 2005-2008 Martin Willi * Copyright (C) 2005 Jan Hutter * Hochschule fuer Technik Rapperswil * @@ -14,7 +14,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: socket-raw.c 3870 2008-04-24 13:49:20Z martin $ + * $Id: socket-raw.c 4646 2008-11-13 07:15:45Z martin $ */ /* for struct in6_pktinfo */ @@ -33,7 +33,7 @@ #include <netinet/ip.h> #include <netinet/ip6.h> #include <netinet/udp.h> -#include <linux/ipsec.h> +#include <linux/types.h> #include <linux/filter.h> #include <net/if.h> @@ -53,11 +53,6 @@ #define IKE_VERSION_OFFSET 17 #define IKE_LENGTH_OFFSET 24 -/* from linux/in.h */ -#ifndef IP_IPSEC_POLICY -#define IP_IPSEC_POLICY 16 -#endif /*IP_IPSEC_POLICY*/ - /* from linux/udp.h */ #ifndef UDP_ENCAP #define UDP_ENCAP 100 @@ -72,11 +67,6 @@ #define IPV6_2292PKTINFO 2 #endif /*IPV6_2292PKTINFO*/ -/* missing on uclibc */ -#ifndef IPV6_IPSEC_POLICY -#define IPV6_IPSEC_POLICY 34 -#endif /*IPV6_IPSEC_POLICY*/ - typedef struct private_socket_t private_socket_t; /** @@ -440,8 +430,7 @@ static int open_send_socket(private_socket_t *this, int family, u_int16_t port) int on = TRUE; int type = UDP_ENCAP_ESPINUDP; struct sockaddr_storage addr; - u_int sol, ipsec_policy; - struct sadb_x_policy policy; + u_int sol; int skt; memset(&addr, 0, sizeof(addr)); @@ -455,7 +444,6 @@ static int open_send_socket(private_socket_t *this, int family, u_int16_t port) sin->sin_addr.s_addr = INADDR_ANY; sin->sin_port = htons(port); sol = SOL_IP; - ipsec_policy = IP_IPSEC_POLICY; break; } case AF_INET6: @@ -465,7 +453,6 @@ static int open_send_socket(private_socket_t *this, int family, u_int16_t port) memcpy(&sin6->sin6_addr, &in6addr_any, sizeof(in6addr_any)); sin6->sin6_port = htons(port); sol = SOL_IPV6; - ipsec_policy = IPV6_IPSEC_POLICY; break; } default: @@ -487,32 +474,6 @@ static int open_send_socket(private_socket_t *this, int family, u_int16_t port) return 0; } - /* bypass outgoung IKE traffic on send socket */ - memset(&policy, 0, sizeof(policy)); - policy.sadb_x_policy_len = sizeof(policy) / sizeof(u_int64_t); - policy.sadb_x_policy_exttype = SADB_X_EXT_POLICY; - policy.sadb_x_policy_type = IPSEC_POLICY_BYPASS; - policy.sadb_x_policy_dir = IPSEC_DIR_OUTBOUND; - - if (setsockopt(skt, sol, ipsec_policy, &policy, sizeof(policy)) < 0) - { - DBG1(DBG_NET, "unable to set IPSEC_POLICY on send socket: %s", - strerror(errno)); - close(skt); - return 0; - } - - /* We don't receive packets on the send socket, but we need a INBOUND policy. - * Otherwise, UDP decapsulation does not work!!! */ - policy.sadb_x_policy_dir = IPSEC_DIR_INBOUND; - if (setsockopt(skt, sol, ipsec_policy, &policy, sizeof(policy)) < 0) - { - DBG1(DBG_NET, "unable to set IPSEC_POLICY on send socket: %s", - strerror(errno)); - close(skt); - return 0; - } - /* bind the send socket */ if (bind(skt, (struct sockaddr *)&addr, sizeof(addr)) < 0) { @@ -542,8 +503,7 @@ static int open_recv_socket(private_socket_t *this, int family) { int skt; int on = TRUE; - u_int proto_offset, ip_len, sol, ipsec_policy, udp_header, ike_header; - struct sadb_x_policy policy; + u_int proto_offset, ip_len, sol, udp_header, ike_header; /* precalculate constants depending on address family */ switch (family) @@ -552,13 +512,11 @@ static int open_recv_socket(private_socket_t *this, int family) proto_offset = IP_PROTO_OFFSET; ip_len = IP_LEN; sol = SOL_IP; - ipsec_policy = IP_IPSEC_POLICY; break; case AF_INET6: proto_offset = IP6_PROTO_OFFSET; ip_len = 0; /* IPv6 raw sockets contain no IP header */ sol = SOL_IPV6; - ipsec_policy = IPV6_IPSEC_POLICY; break; default: return 0; @@ -633,22 +591,67 @@ static int open_recv_socket(private_socket_t *this, int family) return 0; } - /* bypass incomining IKE traffic on this socket */ - memset(&policy, 0, sizeof(policy)); - policy.sadb_x_policy_len = sizeof(policy) / sizeof(u_int64_t); - policy.sadb_x_policy_exttype = SADB_X_EXT_POLICY; - policy.sadb_x_policy_type = IPSEC_POLICY_BYPASS; - policy.sadb_x_policy_dir = IPSEC_DIR_INBOUND; + return skt; +} + +/** + * enumerator for underlying sockets + */ +typedef struct { + /** implements enumerator_t */ + enumerator_t public; + /** sockets we enumerate */ + private_socket_t *socket; + /** counter */ + int index; +} socket_enumerator_t; + +/** + * enumerate function for socket_enumerator_t + */ +static bool enumerate(socket_enumerator_t *this, int *fd, int *family, int *port) +{ + static const struct { + int fd_offset; + int family; + int port; + } sockets[] = { + { offsetof(private_socket_t, recv4), AF_INET, IKEV2_UDP_PORT }, + { offsetof(private_socket_t, recv6), AF_INET6, IKEV2_UDP_PORT }, + { offsetof(private_socket_t, send4), AF_INET, IKEV2_UDP_PORT }, + { offsetof(private_socket_t, send6), AF_INET6, IKEV2_UDP_PORT }, + { offsetof(private_socket_t, send4_natt), AF_INET, IKEV2_NATT_PORT }, + { offsetof(private_socket_t, send6_natt), AF_INET6, IKEV2_NATT_PORT } + }; - if (setsockopt(skt, sol, ipsec_policy, &policy, sizeof(policy)) < 0) + while(++this->index < countof(sockets)) { - DBG1(DBG_NET, "unable to set IPSEC_POLICY on raw socket: %s", - strerror(errno)); - close(skt); - return 0; + int sock = *(int*)((char*)this->socket + sockets[this->index].fd_offset); + if (!sock) + { + continue; + } + *fd = sock; + *family = sockets[this->index].family; + *port = sockets[this->index].port; + return TRUE; } - - return skt; + return FALSE; +} + +/** + * implementation of socket_t.create_enumerator + */ +static enumerator_t *create_enumerator(private_socket_t *this) +{ + socket_enumerator_t *enumerator; + + enumerator = malloc_thing(socket_enumerator_t); + enumerator->index = -1; + enumerator->socket = this; + enumerator->public.enumerate = (void*)enumerate; + enumerator->public.destroy = (void*)free; + return &enumerator->public; } /** @@ -688,12 +691,12 @@ static void destroy(private_socket_t *this) */ socket_t *socket_create() { - int key; private_socket_t *this = malloc_thing(private_socket_t); - + /* public functions */ this->public.send = (status_t(*)(socket_t*, packet_t*))sender; this->public.receive = (status_t(*)(socket_t*, packet_t**))receiver; + this->public.create_enumerator = (enumerator_t*(*)(socket_t*))create_enumerator; this->public.destroy = (void(*)(socket_t*)) destroy; this->recv4 = 0; @@ -703,15 +706,6 @@ socket_t *socket_create() this->send4_natt = 0; this->send6_natt = 0; - /* we open a AF_KEY socket to autoload the af_key module. Otherwise - * setsockopt(IPSEC_POLICY) won't work. */ - key = socket(AF_KEY, SOCK_RAW, PF_KEY_V2); - if (key == 0) - { - charon->kill(charon, "could not open AF_KEY socket"); - } - close(key); - this->recv4 = open_recv_socket(this, AF_INET); if (this->recv4 == 0) { diff --git a/src/charon/network/socket.c b/src/charon/network/socket.c index 60ea5f7c8..6be59ef62 100644 --- a/src/charon/network/socket.c +++ b/src/charon/network/socket.c @@ -1,5 +1,6 @@ /* - * Copyright (C) 2006 Tobias Brunner, Daniel Roethlisberger + * Copyright (C) 2006-2008 Tobias Brunner + * Copyright (C) 2006 Daniel Roethlisberger * Copyright (C) 2005-2007 Martin Willi * Copyright (C) 2005 Jan Hutter * Hochschule fuer Technik Rapperswil @@ -14,7 +15,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: socket.c 3870 2008-04-24 13:49:20Z martin $ + * $Id: socket.c 4646 2008-11-13 07:15:45Z martin $ */ /* for struct in6_pktinfo */ @@ -33,7 +34,7 @@ #include <netinet/ip.h> #include <netinet/ip6.h> #include <netinet/udp.h> -#include <linux/ipsec.h> +#include <linux/types.h> #include <linux/filter.h> #include <net/if.h> @@ -44,11 +45,6 @@ /* length of non-esp marker */ #define MARKER_LEN sizeof(u_int32_t) -/* from linux/in.h */ -#ifndef IP_IPSEC_POLICY -#define IP_IPSEC_POLICY 16 -#endif /*IP_IPSEC_POLICY*/ - /* from linux/udp.h */ #ifndef UDP_ENCAP #define UDP_ENCAP 100 @@ -405,8 +401,7 @@ static int open_socket(private_socket_t *this, int family, u_int16_t port) int on = TRUE; int type = UDP_ENCAP_ESPINUDP; struct sockaddr_storage addr; - u_int sol, ipsec_policy, pktinfo; - struct sadb_x_policy policy; + u_int sol, pktinfo; int skt; memset(&addr, 0, sizeof(addr)); @@ -420,7 +415,6 @@ static int open_socket(private_socket_t *this, int family, u_int16_t port) sin->sin_addr.s_addr = INADDR_ANY; sin->sin_port = htons(port); sol = SOL_IP; - ipsec_policy = IP_IPSEC_POLICY; pktinfo = IP_PKTINFO; break; } @@ -431,7 +425,6 @@ static int open_socket(private_socket_t *this, int family, u_int16_t port) memcpy(&sin6->sin6_addr, &in6addr_any, sizeof(in6addr_any)); sin6->sin6_port = htons(port); sol = SOL_IPV6; - ipsec_policy = IPV6_IPSEC_POLICY; pktinfo = IPV6_2292PKTINFO; break; } @@ -452,29 +445,6 @@ static int open_socket(private_socket_t *this, int family, u_int16_t port) return 0; } - /* bypass IKE traffic on socket */ - memset(&policy, 0, sizeof(policy)); - policy.sadb_x_policy_len = sizeof(policy) / sizeof(u_int64_t); - policy.sadb_x_policy_exttype = SADB_X_EXT_POLICY; - policy.sadb_x_policy_type = IPSEC_POLICY_BYPASS; - - policy.sadb_x_policy_dir = IPSEC_DIR_OUTBOUND; - if (setsockopt(skt, sol, ipsec_policy, &policy, sizeof(policy)) < 0) - { - DBG1(DBG_NET, "unable to set IPSEC_POLICY on socket: %s", - strerror(errno)); - close(skt); - return 0; - } - policy.sadb_x_policy_dir = IPSEC_DIR_INBOUND; - if (setsockopt(skt, sol, ipsec_policy, &policy, sizeof(policy)) < 0) - { - DBG1(DBG_NET, "unable to set IPSEC_POLICY on socket: %s", - strerror(errno)); - close(skt); - return 0; - } - /* bind the send socket */ if (bind(skt, (struct sockaddr *)&addr, sizeof(addr)) < 0) { @@ -501,6 +471,64 @@ static int open_socket(private_socket_t *this, int family, u_int16_t port) } /** + * enumerator for underlying sockets + */ +typedef struct { + /** implements enumerator_t */ + enumerator_t public; + /** sockets we enumerate */ + private_socket_t *socket; + /** counter */ + int index; +} socket_enumerator_t; + +/** + * enumerate function for socket_enumerator_t + */ +static bool enumerate(socket_enumerator_t *this, int *fd, int *family, int *port) +{ + static const struct { + int fd_offset; + int family; + int port; + } sockets[] = { + { offsetof(private_socket_t, ipv4), AF_INET, IKEV2_UDP_PORT }, + { offsetof(private_socket_t, ipv6), AF_INET6, IKEV2_UDP_PORT }, + { offsetof(private_socket_t, ipv4_natt), AF_INET, IKEV2_NATT_PORT }, + { offsetof(private_socket_t, ipv6_natt), AF_INET6, IKEV2_NATT_PORT } + }; + + while(++this->index < countof(sockets)) + { + int sock = *(int*)((char*)this->socket + sockets[this->index].fd_offset); + if (!sock) + { + continue; + } + *fd = sock; + *family = sockets[this->index].family; + *port = sockets[this->index].port; + return TRUE; + } + return FALSE; +} + +/** + * implementation of socket_t.create_enumerator + */ +static enumerator_t *create_enumerator(private_socket_t *this) +{ + socket_enumerator_t *enumerator; + + enumerator = malloc_thing(socket_enumerator_t); + enumerator->index = -1; + enumerator->socket = this; + enumerator->public.enumerate = (void*)enumerate; + enumerator->public.destroy = (void*)free; + return &enumerator->public; +} + +/** * implementation of socket_t.destroy */ static void destroy(private_socket_t *this) @@ -529,12 +557,12 @@ static void destroy(private_socket_t *this) */ socket_t *socket_create() { - int key; private_socket_t *this = malloc_thing(private_socket_t); /* public functions */ this->public.send = (status_t(*)(socket_t*, packet_t*))sender; this->public.receive = (status_t(*)(socket_t*, packet_t**))receiver; + this->public.create_enumerator = (enumerator_t*(*)(socket_t*))create_enumerator; this->public.destroy = (void(*)(socket_t*)) destroy; this->ipv4 = 0; @@ -542,15 +570,6 @@ socket_t *socket_create() this->ipv4_natt = 0; this->ipv6_natt = 0; - /* we open a AF_KEY socket to autoload the af_key module. Otherwise - * setsockopt(IPSEC_POLICY) won't work. */ - key = socket(AF_KEY, SOCK_RAW, PF_KEY_V2); - if (key == 0) - { - charon->kill(charon, "could not open AF_KEY socket"); - } - close(key); - this->ipv4 = open_socket(this, AF_INET, IKEV2_UDP_PORT); if (this->ipv4 == 0) { diff --git a/src/charon/network/socket.h b/src/charon/network/socket.h index b76a9b0c3..4e967f721 100644 --- a/src/charon/network/socket.h +++ b/src/charon/network/socket.h @@ -1,6 +1,6 @@ /* * Copyright (C) 2006 Tobias Brunner, Daniel Roethlisberger - * Copyright (C) 2005-2006 Martin Willi + * Copyright (C) 2005-2008 Martin Willi * Copyright (C) 2005 Jan Hutter * Hochschule fuer Technik Rapperswil * @@ -14,7 +14,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: socket.h 4355 2008-09-25 07:56:58Z tobias $ + * $Id: socket.h 4647 2008-11-13 07:48:27Z martin $ */ /** @@ -30,15 +30,13 @@ typedef struct socket_t socket_t; #include <library.h> #include <network/packet.h> #include <utils/host.h> -#include <utils/linked_list.h> +#include <utils/enumerator.h> /** * Maximum size of a packet. * - * 3000 Bytes should be sufficient, see IKEv2 RFC. However, we currently - * do not support HASH_AND_URL certificates, so we require to transmit - * the full certificates. To run our multi-CA test with 2 intermediate CAs, - * 5000 bytes is sufficient. + * 3000 Bytes should be sufficient, see IKEv2 RFC. However, to run our + * multi-CA test with 2 intermediate CAs, we increase that to 5000 bytes. */ #define MAX_PACKET 5000 @@ -73,9 +71,8 @@ struct socket_t { /** * Send a packet. * - * Sends a packet to the net using destination from the packet. - * Packet is sent using default routing mechanisms, thus the - * source address in packet is ignored. + * Sends a packet to the net using source and destination addresses of + * the packet. * * @param packet packet_t to send * @return @@ -85,6 +82,13 @@ struct socket_t { status_t (*send) (socket_t *this, packet_t *packet); /** + * Enumerate all underlying socket file descriptors. + * + * @return enumerator over (int fd, int family, int port) + */ + enumerator_t *(*create_enumerator) (socket_t *this); + + /** * Destroy socket. */ void (*destroy) (socket_t *this); diff --git a/src/charon/plugins/eap_aka/eap_aka.c b/src/charon/plugins/eap_aka/eap_aka.c index 4c0f76b7f..bb3825d3d 100644 --- a/src/charon/plugins/eap_aka/eap_aka.c +++ b/src/charon/plugins/eap_aka/eap_aka.c @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: eap_aka.c 4276 2008-08-22 10:44:51Z martin $ + * $Id: eap_aka.c 4628 2008-11-11 15:19:13Z martin $ */ @@ -35,6 +35,7 @@ * - server_initiate_challenge() - Initiation of AKA-Challenge */ +#include <limits.h> #include <string.h> #include <unistd.h> #include <sys/time.h> diff --git a/src/charon/plugins/kernel_klips/Makefile.am b/src/charon/plugins/kernel_klips/Makefile.am new file mode 100644 index 000000000..dc0234775 --- /dev/null +++ b/src/charon/plugins/kernel_klips/Makefile.am @@ -0,0 +1,10 @@ + +INCLUDES = -I${linuxdir} -I$(top_srcdir)/src/libstrongswan -I$(top_srcdir)/src/charon + +AM_CFLAGS = -rdynamic + +plugin_LTLIBRARIES = libstrongswan-kernel-klips.la + +libstrongswan_kernel_klips_la_SOURCES = kernel_klips_plugin.h kernel_klips_plugin.c \ + kernel_klips_ipsec.h kernel_klips_ipsec.c pfkeyv2.h +libstrongswan_kernel_klips_la_LDFLAGS = -module diff --git a/src/charon/plugins/kernel_klips/Makefile.in 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Brunner + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * $Id: kernel_klips_ipsec.c 4631 2008-11-11 18:35:10Z martin $ + */ + +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/ioctl.h> +#include <stdint.h> +#include "pfkeyv2.h" +#include <linux/udp.h> +#include <net/if.h> +#include <unistd.h> +#include <pthread.h> +#include <stdio.h> +#include <string.h> +#include <time.h> +#include <errno.h> + +#include "kernel_klips_ipsec.h" + +#include <daemon.h> +#include <utils/mutex.h> +#include <processing/jobs/callback_job.h> +#include <processing/jobs/acquire_job.h> +#include <processing/jobs/rekey_child_sa_job.h> +#include <processing/jobs/delete_child_sa_job.h> +#include <processing/jobs/update_sa_job.h> + +/** default timeout for generated SPIs (in seconds) */ +#define SPI_TIMEOUT 30 + +/** buffer size for PF_KEY messages */ +#define PFKEY_BUFFER_SIZE 2048 + +/** PF_KEY messages are 64 bit aligned */ +#define PFKEY_ALIGNMENT 8 +/** aligns len to 64 bits */ +#define PFKEY_ALIGN(len) (((len) + PFKEY_ALIGNMENT - 1) & ~(PFKEY_ALIGNMENT - 1)) +/** calculates the properly padded length in 64 bit chunks */ +#define PFKEY_LEN(len) ((PFKEY_ALIGN(len) / PFKEY_ALIGNMENT)) +/** calculates user mode length i.e. in bytes */ +#define PFKEY_USER_LEN(len) ((len) * PFKEY_ALIGNMENT) + +/** given a PF_KEY message header and an extension this updates the length in the header */ +#define PFKEY_EXT_ADD(msg, ext) ((msg)->sadb_msg_len += ((struct sadb_ext*)ext)->sadb_ext_len) +/** given a PF_KEY message header this returns a pointer to the next extension */ +#define PFKEY_EXT_ADD_NEXT(msg) ((struct sadb_ext*)(((char*)(msg)) + PFKEY_USER_LEN((msg)->sadb_msg_len))) +/** copy an extension and append it to a PF_KEY message */ +#define PFKEY_EXT_COPY(msg, ext) (PFKEY_EXT_ADD(msg, memcpy(PFKEY_EXT_ADD_NEXT(msg), ext, PFKEY_USER_LEN(((struct sadb_ext*)ext)->sadb_ext_len)))) +/** given a PF_KEY extension this returns a pointer to the next extension */ +#define PFKEY_EXT_NEXT(ext) ((struct sadb_ext*)(((char*)(ext)) + PFKEY_USER_LEN(((struct sadb_ext*)ext)->sadb_ext_len))) +/** given a PF_KEY extension this returns a pointer to the next extension also updates len (len in 64 bit words) */ +#define PFKEY_EXT_NEXT_LEN(ext,len) ((len) -= (ext)->sadb_ext_len, PFKEY_EXT_NEXT(ext)) +/** true if ext has a valid length and len is large enough to contain ext (assuming len in 64 bit words) */ +#define PFKEY_EXT_OK(ext,len) ((len) >= PFKEY_LEN(sizeof(struct sadb_ext)) && \ + (ext)->sadb_ext_len >= PFKEY_LEN(sizeof(struct sadb_ext)) && \ + (ext)->sadb_ext_len <= (len)) + +/** special SPI values used for policies in KLIPS */ +#define SPI_PASS 256 +#define SPI_DROP 257 +#define SPI_REJECT 258 +#define SPI_HOLD 259 +#define SPI_TRAP 260 +#define SPI_TRAPSUBNET 261 + +/** the prefix of the name of KLIPS ipsec devices */ +#define IPSEC_DEV_PREFIX "ipsec" +/** this is the default number of ipsec devices */ +#define DEFAULT_IPSEC_DEV_COUNT 4 +/** TRUE if the given name matches an ipsec device */ +#define IS_IPSEC_DEV(name) (strneq((name), IPSEC_DEV_PREFIX, sizeof(IPSEC_DEV_PREFIX) - 1)) + +/** the following stuff is from ipsec_tunnel.h */ +struct ipsectunnelconf +{ + __u32 cf_cmd; + union + { + char cfu_name[12]; + } cf_u; +#define cf_name cf_u.cfu_name +}; + +#define IPSEC_SET_DEV (SIOCDEVPRIVATE) +#define IPSEC_DEL_DEV (SIOCDEVPRIVATE + 1) +#define IPSEC_CLR_DEV (SIOCDEVPRIVATE + 2) + +typedef struct private_kernel_klips_ipsec_t private_kernel_klips_ipsec_t; + +/** + * Private variables and functions of kernel_klips class. + */ +struct private_kernel_klips_ipsec_t +{ + /** + * Public part of the kernel_klips_t object. + */ + kernel_klips_ipsec_t public; + + /** + * mutex to lock access to various lists + */ + mutex_t *mutex; + + /** + * List of installed policies (policy_entry_t) + */ + linked_list_t *policies; + + /** + * List of allocated SPIs without installed SA (sa_entry_t) + */ + linked_list_t *allocated_spis; + + /** + * List of installed SAs (sa_entry_t) + */ + linked_list_t *installed_sas; + + /** + * whether to install routes along policies + */ + bool install_routes; + + /** + * List of ipsec devices (ipsec_dev_t) + */ + linked_list_t *ipsec_devices; + + /** + * job receiving PF_KEY events + */ + callback_job_t *job; + + /** + * mutex to lock access to the PF_KEY socket + */ + mutex_t *mutex_pfkey; + + /** + * PF_KEY socket to communicate with the kernel + */ + int socket; + + /** + * PF_KEY socket to receive acquire and expire events + */ + int socket_events; + + /** + * sequence number for messages sent to the kernel + */ + int seq; + +}; + + +typedef struct ipsec_dev_t ipsec_dev_t; + +/** + * ipsec device + */ +struct ipsec_dev_t { + /** name of the virtual ipsec interface */ + char name[IFNAMSIZ]; + + /** name of the physical interface */ + char phys_name[IFNAMSIZ]; + + /** by how many CHILD_SA's this ipsec device is used */ + u_int refcount; +}; + +/** + * compare the given name with the virtual device name + */ +static inline bool ipsec_dev_match_byname(ipsec_dev_t *current, char *name) +{ + return name && streq(current->name, name); +} + +/** + * compare the given name with the physical device name + */ +static inline bool ipsec_dev_match_byphys(ipsec_dev_t *current, char *name) +{ + return name && streq(current->phys_name, name); +} + +/** + * matches free ipsec devices + */ +static inline bool ipsec_dev_match_free(ipsec_dev_t *current) +{ + return current->refcount == 0; +} + +/** + * tries to find an ipsec_dev_t object by name + */ +static status_t find_ipsec_dev(private_kernel_klips_ipsec_t *this, char *name, + ipsec_dev_t **dev) +{ + linked_list_match_t match = (linked_list_match_t)(IS_IPSEC_DEV(name) ? + ipsec_dev_match_byname : ipsec_dev_match_byphys); + return this->ipsec_devices->find_first(this->ipsec_devices, match, + (void**)dev, name); +} + +/** + * attach an ipsec device to a physical interface + */ +static status_t attach_ipsec_dev(char* name, char *phys_name) +{ + int sock; + struct ifreq req; + struct ipsectunnelconf *itc = (struct ipsectunnelconf*)&req.ifr_data; + short phys_flags; + int mtu; + + DBG2(DBG_KNL, "attaching virtual interface %s to %s", name, phys_name); + + if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) <= 0) + { + return FAILED; + } + + strncpy(req.ifr_name, phys_name, IFNAMSIZ); + if (ioctl(sock, SIOCGIFFLAGS, &req) < 0) + { + close(sock); + return FAILED; + } + phys_flags = req.ifr_flags; + + strncpy(req.ifr_name, name, IFNAMSIZ); + if (ioctl(sock, SIOCGIFFLAGS, &req) < 0) + { + close(sock); + return FAILED; + } + + if (req.ifr_flags & IFF_UP) + { + /* if it's already up, it is already attached, detach it first */ + ioctl(sock, IPSEC_DEL_DEV, &req); + } + + /* attach it */ + strncpy(req.ifr_name, name, IFNAMSIZ); + strncpy(itc->cf_name, phys_name, sizeof(itc->cf_name)); + ioctl(sock, IPSEC_SET_DEV, &req); + + /* copy address from physical to virtual */ + strncpy(req.ifr_name, phys_name, IFNAMSIZ); + if (ioctl(sock, SIOCGIFADDR, &req) == 0) + { + strncpy(req.ifr_name, name, IFNAMSIZ); + ioctl(sock, SIOCSIFADDR, &req); + } + + /* copy net mask from physical to virtual */ + strncpy(req.ifr_name, phys_name, IFNAMSIZ); + if (ioctl(sock, SIOCGIFNETMASK, &req) == 0) + { + strncpy(req.ifr_name, name, IFNAMSIZ); + ioctl(sock, SIOCSIFNETMASK, &req); + } + + /* copy other flags and addresses */ + strncpy(req.ifr_name, name, IFNAMSIZ); + if (ioctl(sock, SIOCGIFFLAGS, &req) == 0) + { + if (phys_flags & IFF_POINTOPOINT) + { + req.ifr_flags |= IFF_POINTOPOINT; + req.ifr_flags &= ~IFF_BROADCAST; + ioctl(sock, SIOCSIFFLAGS, &req); + + strncpy(req.ifr_name, phys_name, IFNAMSIZ); + if (ioctl(sock, SIOCGIFDSTADDR, &req) == 0) + { + strncpy(req.ifr_name, name, IFNAMSIZ); + ioctl(sock, SIOCSIFDSTADDR, &req); + } + } + else if (phys_flags & IFF_BROADCAST) + { + req.ifr_flags &= ~IFF_POINTOPOINT; + req.ifr_flags |= IFF_BROADCAST; + ioctl(sock, SIOCSIFFLAGS, &req); + + strncpy(req.ifr_name, phys_name, IFNAMSIZ); + if (ioctl(sock, SIOCGIFBRDADDR, &req)==0) + { + strncpy(req.ifr_name, name, IFNAMSIZ); + ioctl(sock, SIOCSIFBRDADDR, &req); + } + } + else + { + req.ifr_flags &= ~IFF_POINTOPOINT; + req.ifr_flags &= ~IFF_BROADCAST; + ioctl(sock, SIOCSIFFLAGS, &req); + } + } + + mtu = lib->settings->get_int(lib->settings, + "charon.plugins.kernel_klips.ipsec_dev_mtu", 0); + if (mtu <= 0) + { + /* guess MTU as physical MTU - ESP overhead [- NAT-T overhead] + * ESP overhead : 73 bytes + * NAT-T overhead : 8 bytes ==> 81 bytes + * + * assuming tunnel mode with AES encryption and integrity + * outer IP header : 20 bytes + * (NAT-T UDP header: 8 bytes) + * ESP header : 8 bytes + * IV : 16 bytes + * padding : 15 bytes (worst-case) + * pad len / NH : 2 bytes + * auth data : 12 bytes + */ + strncpy(req.ifr_name, phys_name, IFNAMSIZ); + ioctl(sock, SIOCGIFMTU, &req); + mtu = req.ifr_mtu - 81; + } + + /* set MTU */ + strncpy(req.ifr_name, name, IFNAMSIZ); + req.ifr_mtu = mtu; + ioctl(sock, SIOCSIFMTU, &req); + + /* bring ipsec device UP */ + if (ioctl(sock, SIOCGIFFLAGS, &req) == 0) + { + req.ifr_flags |= IFF_UP; + ioctl(sock, SIOCSIFFLAGS, &req); + } + + close(sock); + return SUCCESS; +} + +/** + * detach an ipsec device from a physical interface + */ +static status_t detach_ipsec_dev(char* name, char *phys_name) +{ + int sock; + struct ifreq req; + + DBG2(DBG_KNL, "detaching virtual interface %s from %s", name, + strlen(phys_name) ? phys_name : "any physical interface"); + + if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) <= 0) + { + return FAILED; + } + + strncpy(req.ifr_name, name, IFNAMSIZ); + if (ioctl(sock, SIOCGIFFLAGS, &req) < 0) + { + close(sock); + return FAILED; + } + + /* shutting interface down */ + if (req.ifr_flags & IFF_UP) + { + req.ifr_flags &= ~IFF_UP; + ioctl(sock, SIOCSIFFLAGS, &req); + } + + /* unset address */ + memset(&req.ifr_addr, 0, sizeof(req.ifr_addr)); + req.ifr_addr.sa_family = AF_INET; + ioctl(sock, SIOCSIFADDR, &req); + + /* detach interface */ + ioctl(sock, IPSEC_DEL_DEV, &req); + + close(sock); + return SUCCESS; +} + +/** + * destroy an ipsec_dev_t object + */ +static void ipsec_dev_destroy(ipsec_dev_t *this) +{ + detach_ipsec_dev(this->name, this->phys_name); + free(this); +} + + +typedef struct route_entry_t route_entry_t; + +/** + * installed routing entry + */ +struct route_entry_t { + /** Name of the interface the route is bound to */ + char *if_name; + + /** Source ip of the route */ + host_t *src_ip; + + /** Gateway for this route */ + host_t *gateway; + + /** Destination net */ + chunk_t dst_net; + + /** Destination net prefixlen */ + u_int8_t prefixlen; +}; + +/** + * destroy an route_entry_t object + */ +static void route_entry_destroy(route_entry_t *this) +{ + free(this->if_name); + this->src_ip->destroy(this->src_ip); + this->gateway->destroy(this->gateway); + chunk_free(&this->dst_net); + free(this); +} + +typedef struct policy_entry_t policy_entry_t; + +/** + * installed kernel policy. + */ +struct policy_entry_t { + + /** reqid of this policy, if setup as trap */ + u_int32_t reqid; + + /** direction of this policy: in, out, forward */ + u_int8_t direction; + + /** parameters of installed policy */ + struct { + /** subnet and port */ + host_t *net; + /** subnet mask */ + u_int8_t mask; + /** protocol */ + u_int8_t proto; + } src, dst; + + /** associated route installed for this policy */ + route_entry_t *route; + + /** by how many CHILD_SA's this policy is actively used */ + u_int activecount; + + /** by how many CHILD_SA's this policy is trapped */ + u_int trapcount; +}; + +/** + * convert a numerical netmask to a host_t + */ +static host_t *mask2host(int family, u_int8_t mask) +{ + static const u_char bitmask[] = { 0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe }; + chunk_t chunk = chunk_alloca(family == AF_INET ? 4 : 16); + int bytes = mask / 8, bits = mask % 8; + memset(chunk.ptr, 0xFF, bytes); + memset(chunk.ptr + bytes, 0, chunk.len - bytes); + if (bits) + { + chunk.ptr[bytes] = bitmask[bits]; + } + return host_create_from_chunk(family, chunk, 0); +} + +/** + * check if a host is in a subnet (host with netmask in bits) + */ +static bool is_host_in_net(host_t *host, host_t *net, u_int8_t mask) +{ + static const u_char bitmask[] = { 0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe }; + chunk_t host_chunk, net_chunk; + int bytes = mask / 8, bits = mask % 8; + + host_chunk = host->get_address(host); + net_chunk = net->get_address(net); + + if (host_chunk.len != net_chunk.len) + { + return FALSE; + } + + if (memeq(host_chunk.ptr, net_chunk.ptr, bytes)) + { + return (bits == 0) || + (host_chunk.ptr[bytes] & bitmask[bits]) == + (net_chunk.ptr[bytes] & bitmask[bits]); + } + + return FALSE; +} + +/** + * create a policy_entry_t object + */ +static policy_entry_t *create_policy_entry(traffic_selector_t *src_ts, + traffic_selector_t *dst_ts, policy_dir_t dir) +{ + policy_entry_t *policy = malloc_thing(policy_entry_t); + policy->reqid = 0; + policy->direction = dir; + policy->route = NULL; + policy->activecount = 0; + policy->trapcount = 0; + + src_ts->to_subnet(src_ts, &policy->src.net, &policy->src.mask); + dst_ts->to_subnet(dst_ts, &policy->dst.net, &policy->dst.mask); + + /* src or dest proto may be "any" (0), use more restrictive one */ + policy->src.proto = max(src_ts->get_protocol(src_ts), dst_ts->get_protocol(dst_ts)); + policy->src.proto = policy->src.proto ? policy->src.proto : 0; + policy->dst.proto = policy->src.proto; + + return policy; +} + +/** + * destroy a policy_entry_t object + */ +static void policy_entry_destroy(policy_entry_t *this) +{ + DESTROY_IF(this->src.net); + DESTROY_IF(this->dst.net); + if (this->route) + { + route_entry_destroy(this->route); + } + free(this); +} + +/** + * compares two policy_entry_t + */ +static inline bool policy_entry_equals(policy_entry_t *current, policy_entry_t *policy) +{ + return current->direction == policy->direction && + current->src.proto == policy->src.proto && + current->dst.proto == policy->dst.proto && + current->src.mask == policy->src.mask && + current->dst.mask == policy->dst.mask && + current->src.net->equals(current->src.net, policy->src.net) && + current->dst.net->equals(current->dst.net, policy->dst.net); +} + +static inline bool policy_entry_match_byaddrs(policy_entry_t *current, host_t *src, + host_t *dst) +{ + return is_host_in_net(src, current->src.net, current->src.mask) && + is_host_in_net(dst, current->dst.net, current->dst.mask); +} + +typedef struct sa_entry_t sa_entry_t; + +/** + * used for two things: + * - allocated SPIs that have not yet resulted in an installed SA + * - installed inbound SAs with enabled UDP encapsulation + */ +struct sa_entry_t { + + /** protocol of this SA */ + protocol_id_t protocol; + + /** reqid of this SA */ + u_int32_t reqid; + + /** SPI of this SA */ + u_int32_t spi; + + /** src address of this SA */ + host_t *src; + + /** dst address of this SA */ + host_t *dst; + + /** TRUE if this SA uses UDP encapsulation */ + bool encap; + + /** TRUE if this SA is inbound */ + bool inbound; +}; + +/** + * create an sa_entry_t object + */ +static sa_entry_t *create_sa_entry(protocol_id_t protocol, u_int32_t spi, + u_int32_t reqid, host_t *src, host_t *dst, + bool encap, bool inbound) +{ + sa_entry_t *sa = malloc_thing(sa_entry_t); + sa->protocol = protocol; + sa->reqid = reqid; + sa->spi = spi; + sa->src = src ? src->clone(src) : NULL; + sa->dst = dst ? dst->clone(dst) : NULL; + sa->encap = encap; + sa->inbound = inbound; + return sa; +} + +/** + * destroy an sa_entry_t object + */ +static void sa_entry_destroy(sa_entry_t *this) +{ + DESTROY_IF(this->src); + DESTROY_IF(this->dst); + free(this); +} + +/** + * match an sa_entry_t for an inbound SA that uses UDP encapsulation by spi and src (remote) address + */ +static inline bool sa_entry_match_encapbysrc(sa_entry_t *current, u_int32_t *spi, + host_t *src) +{ + return current->encap && current->inbound && + current->spi == *spi && src->ip_equals(src, current->src); +} + +/** + * match an sa_entry_t by protocol, spi and dst address (as the kernel does it) + */ +static inline bool sa_entry_match_bydst(sa_entry_t *current, protocol_id_t *protocol, + u_int32_t *spi, host_t *dst) +{ + return current->protocol == *protocol && current->spi == *spi && dst->ip_equals(dst, current->dst); +} + +/** + * match an sa_entry_t by protocol, reqid and spi + */ +static inline bool sa_entry_match_byid(sa_entry_t *current, protocol_id_t *protocol, + u_int32_t *spi, u_int32_t *reqid) +{ + return current->protocol == *protocol && current->spi == *spi && current->reqid == *reqid; +} + +typedef struct pfkey_msg_t pfkey_msg_t; + +struct pfkey_msg_t +{ + /** + * PF_KEY message base + */ + struct sadb_msg *msg; + + + /** + * PF_KEY message extensions + */ + union { + struct sadb_ext *ext[SADB_EXT_MAX + 1]; + struct { + struct sadb_ext *reserved; /* SADB_EXT_RESERVED */ + struct sadb_sa *sa; /* SADB_EXT_SA */ + struct sadb_lifetime *lft_current; /* SADB_EXT_LIFETIME_CURRENT */ + struct sadb_lifetime *lft_hard; /* SADB_EXT_LIFETIME_HARD */ + struct sadb_lifetime *lft_soft; /* SADB_EXT_LIFETIME_SOFT */ + struct sadb_address *src; /* SADB_EXT_ADDRESS_SRC */ + struct sadb_address *dst; /* SADB_EXT_ADDRESS_DST */ + struct sadb_address *proxy; /* SADB_EXT_ADDRESS_PROXY */ + struct sadb_key *key_auth; /* SADB_EXT_KEY_AUTH */ + struct sadb_key *key_encr; /* SADB_EXT_KEY_ENCRYPT */ + struct sadb_ident *id_src; /* SADB_EXT_IDENTITY_SRC */ + struct sadb_ident *id_dst; /* SADB_EXT_IDENTITY_DST */ + struct sadb_sens *sensitivity; /* SADB_EXT_SENSITIVITY */ + struct sadb_prop *proposal; /* SADB_EXT_PROPOSAL */ + struct sadb_supported *supported_auth; /* SADB_EXT_SUPPORTED_AUTH */ + struct sadb_supported *supported_encr; /* SADB_EXT_SUPPORTED_ENCRYPT */ + struct sadb_spirange *spirange; /* SADB_EXT_SPIRANGE */ + struct sadb_x_kmprivate *x_kmprivate; /* SADB_X_EXT_KMPRIVATE */ + struct sadb_ext *x_policy; /* SADB_X_EXT_SATYPE2 */ + struct sadb_ext *x_sa2; /* SADB_X_EXT_SA2 */ + struct sadb_address *x_dst2; /* SADB_X_EXT_ADDRESS_DST2 */ + struct sadb_address *x_src_flow; /* SADB_X_EXT_ADDRESS_SRC_FLOW */ + struct sadb_address *x_dst_flow; /* SADB_X_EXT_ADDRESS_DST_FLOW */ + struct sadb_address *x_src_mask; /* SADB_X_EXT_ADDRESS_SRC_MASK */ + struct sadb_address *x_dst_mask; /* SADB_X_EXT_ADDRESS_DST_MASK */ + struct sadb_x_debug *x_debug; /* SADB_X_EXT_DEBUG */ + struct sadb_protocol *x_protocol; /* SADB_X_EXT_PROTOCOL */ + struct sadb_x_nat_t_type *x_natt_type; /* SADB_X_EXT_NAT_T_TYPE */ + struct sadb_x_nat_t_port *x_natt_sport; /* SADB_X_EXT_NAT_T_SPORT */ + struct sadb_x_nat_t_port *x_natt_dport; /* SADB_X_EXT_NAT_T_DPORT */ + struct sadb_address *x_natt_oa; /* SADB_X_EXT_NAT_T_OA */ + } __attribute__((__packed__)); + }; +}; + +/** + * convert a IKEv2 specific protocol identifier to the PF_KEY sa type + */ +static u_int8_t proto_ike2satype(protocol_id_t proto) +{ + switch (proto) + { + case PROTO_ESP: + return SADB_SATYPE_ESP; + case PROTO_AH: + return SADB_SATYPE_AH; + case IPPROTO_COMP: + return SADB_X_SATYPE_COMP; + default: + return proto; + } +} + +/** + * convert a PF_KEY sa type to a IKEv2 specific protocol identifier + */ +static protocol_id_t proto_satype2ike(u_int8_t proto) +{ + switch (proto) + { + case SADB_SATYPE_ESP: + return PROTO_ESP; + case SADB_SATYPE_AH: + return PROTO_AH; + case SADB_X_SATYPE_COMP: + return IPPROTO_COMP; + default: + return proto; + } +} + +typedef struct kernel_algorithm_t kernel_algorithm_t; + +/** + * Mapping of IKEv2 algorithms to PF_KEY algorithms + */ +struct kernel_algorithm_t { + /** + * Identifier specified in IKEv2 + */ + int ikev2; + + /** + * Identifier as defined in pfkeyv2.h + */ + int kernel; +}; + +#define END_OF_LIST -1 + +/** + * Algorithms for encryption + */ +static kernel_algorithm_t encryption_algs[] = { +/* {ENCR_DES_IV64, 0 }, */ + {ENCR_DES, SADB_EALG_DESCBC }, + {ENCR_3DES, SADB_EALG_3DESCBC }, +/* {ENCR_RC5, 0 }, */ +/* {ENCR_IDEA, 0 }, */ +/* {ENCR_CAST, 0 }, */ + {ENCR_BLOWFISH, SADB_EALG_BFCBC }, +/* {ENCR_3IDEA, 0 }, */ +/* {ENCR_DES_IV32, 0 }, */ + {ENCR_NULL, SADB_EALG_NULL }, + {ENCR_AES_CBC, SADB_EALG_AESCBC }, +/* {ENCR_AES_CTR, 0 }, */ +/* {ENCR_AES_CCM_ICV8, 0 }, */ +/* {ENCR_AES_CCM_ICV12, 0 }, */ +/* {ENCR_AES_CCM_ICV16, 0 }, */ +/* {ENCR_AES_GCM_ICV8, 0 }, */ +/* {ENCR_AES_GCM_ICV12, 0 }, */ +/* {ENCR_AES_GCM_ICV16, 0 }, */ + {END_OF_LIST, 0 }, +}; + +/** + * Algorithms for integrity protection + */ +static kernel_algorithm_t integrity_algs[] = { + {AUTH_HMAC_MD5_96, SADB_AALG_MD5HMAC }, + {AUTH_HMAC_SHA1_96, SADB_AALG_SHA1HMAC }, + {AUTH_HMAC_SHA2_256_128, SADB_AALG_SHA256_HMAC }, + {AUTH_HMAC_SHA2_384_192, SADB_AALG_SHA384_HMAC }, + {AUTH_HMAC_SHA2_512_256, SADB_AALG_SHA512_HMAC }, +/* {AUTH_DES_MAC, 0, }, */ +/* {AUTH_KPDK_MD5, 0, }, */ +/* {AUTH_AES_XCBC_96, 0, }, */ + {END_OF_LIST, 0, }, +}; + +#if 0 +/** + * Algorithms for IPComp, unused yet + */ +static kernel_algorithm_t compression_algs[] = { +/* {IPCOMP_OUI, 0 }, */ + {IPCOMP_DEFLATE, SADB_X_CALG_DEFLATE }, + {IPCOMP_LZS, SADB_X_CALG_LZS }, +/* {IPCOMP_LZJH, 0 }, */ + {END_OF_LIST, 0 }, +}; +#endif + +/** + * Look up a kernel algorithm ID and its key size + */ +static int lookup_algorithm(kernel_algorithm_t *list, int ikev2) +{ + while (list->ikev2 != END_OF_LIST) + { + if (ikev2 == list->ikev2) + { + return list->kernel; + } + list++; + } + return 0; +} + +/** + * add a host behind a sadb_address extension + */ +static void host2ext(host_t *host, struct sadb_address *ext) +{ + sockaddr_t *host_addr = host->get_sockaddr(host); + socklen_t *len = host->get_sockaddr_len(host); + memcpy((char*)(ext + 1), host_addr, *len); + ext->sadb_address_len = PFKEY_LEN(sizeof(*ext) + *len); +} + +/** + * add a host behind a sadb_address extension + */ +static void add_addr_ext(struct sadb_msg *msg, host_t *host, u_int16_t type) +{ + struct sadb_address *addr = (struct sadb_address*)PFKEY_EXT_ADD_NEXT(msg); + addr->sadb_address_exttype = type; + host2ext(host, addr); + PFKEY_EXT_ADD(msg, addr); +} + +/** + * adds an empty address extension to the given sadb_msg + */ +static void add_anyaddr_ext(struct sadb_msg *msg, int family, u_int8_t type) +{ + socklen_t len = (family == AF_INET) ? sizeof(struct sockaddr_in) : + sizeof(struct sockaddr_in6); + struct sadb_address *addr = (struct sadb_address*)PFKEY_EXT_ADD_NEXT(msg); + addr->sadb_address_exttype = type; + sockaddr_t *saddr = (sockaddr_t*)(addr + 1); + saddr->sa_family = family; + addr->sadb_address_len = PFKEY_LEN(sizeof(*addr) + len); + PFKEY_EXT_ADD(msg, addr); +} + +/** + * add udp encap extensions to a sadb_msg + */ +static void add_encap_ext(struct sadb_msg *msg, host_t *src, host_t *dst, + bool ports_only) +{ + struct sadb_x_nat_t_type* nat_type; + struct sadb_x_nat_t_port* nat_port; + + if (!ports_only) + { + nat_type = (struct sadb_x_nat_t_type*)PFKEY_EXT_ADD_NEXT(msg); + nat_type->sadb_x_nat_t_type_exttype = SADB_X_EXT_NAT_T_TYPE; + nat_type->sadb_x_nat_t_type_len = PFKEY_LEN(sizeof(struct sadb_x_nat_t_type)); + nat_type->sadb_x_nat_t_type_type = UDP_ENCAP_ESPINUDP; + PFKEY_EXT_ADD(msg, nat_type); + } + + nat_port = (struct sadb_x_nat_t_port*)PFKEY_EXT_ADD_NEXT(msg); + nat_port->sadb_x_nat_t_port_exttype = SADB_X_EXT_NAT_T_SPORT; + nat_port->sadb_x_nat_t_port_len = PFKEY_LEN(sizeof(struct sadb_x_nat_t_port)); + nat_port->sadb_x_nat_t_port_port = src->get_port(src); + PFKEY_EXT_ADD(msg, nat_port); + + nat_port = (struct sadb_x_nat_t_port*)PFKEY_EXT_ADD_NEXT(msg); + nat_port->sadb_x_nat_t_port_exttype = SADB_X_EXT_NAT_T_DPORT; + nat_port->sadb_x_nat_t_port_len = PFKEY_LEN(sizeof(struct sadb_x_nat_t_port)); + nat_port->sadb_x_nat_t_port_port = dst->get_port(dst); + PFKEY_EXT_ADD(msg, nat_port); +} + +/** + * build an SADB_X_ADDFLOW msg + */ +static void build_addflow(struct sadb_msg *msg, u_int8_t satype, u_int32_t spi, + host_t *src, host_t *dst, host_t *src_net, u_int8_t src_mask, + host_t *dst_net, u_int8_t dst_mask, u_int8_t protocol, bool replace) +{ + struct sadb_sa *sa; + struct sadb_protocol *proto; + host_t *host; + + msg->sadb_msg_version = PF_KEY_V2; + msg->sadb_msg_type = SADB_X_ADDFLOW; + msg->sadb_msg_satype = satype; + msg->sadb_msg_len = PFKEY_LEN(sizeof(struct sadb_msg)); + + sa = (struct sadb_sa*)PFKEY_EXT_ADD_NEXT(msg); + sa->sadb_sa_exttype = SADB_EXT_SA; + sa->sadb_sa_spi = spi; + sa->sadb_sa_len = PFKEY_LEN(sizeof(struct sadb_sa)); + sa->sadb_sa_flags = replace ? SADB_X_SAFLAGS_REPLACEFLOW : 0; + PFKEY_EXT_ADD(msg, sa); + + if (!src) + { + add_anyaddr_ext(msg, src_net->get_family(src_net), SADB_EXT_ADDRESS_SRC); + } + else + { + add_addr_ext(msg, src, SADB_EXT_ADDRESS_SRC); + } + + if (!dst) + { + add_anyaddr_ext(msg, dst_net->get_family(dst_net), SADB_EXT_ADDRESS_DST); + } + else + { + add_addr_ext(msg, dst, SADB_EXT_ADDRESS_DST); + } + + add_addr_ext(msg, src_net, SADB_X_EXT_ADDRESS_SRC_FLOW); + add_addr_ext(msg, dst_net, SADB_X_EXT_ADDRESS_DST_FLOW); + + host = mask2host(src_net->get_family(src_net), src_mask); + add_addr_ext(msg, host, SADB_X_EXT_ADDRESS_SRC_MASK); + host->destroy(host); + + host = mask2host(dst_net->get_family(dst_net), dst_mask); + add_addr_ext(msg, host, SADB_X_EXT_ADDRESS_DST_MASK); + host->destroy(host); + + proto = (struct sadb_protocol*)PFKEY_EXT_ADD_NEXT(msg); + proto->sadb_protocol_exttype = SADB_X_EXT_PROTOCOL; + proto->sadb_protocol_len = PFKEY_LEN(sizeof(struct sadb_protocol)); + proto->sadb_protocol_proto = protocol; + PFKEY_EXT_ADD(msg, proto); +} + +/** + * build an SADB_X_DELFLOW msg + */ +static void build_delflow(struct sadb_msg *msg, u_int8_t satype, + host_t *src_net, u_int8_t src_mask, host_t *dst_net, u_int8_t dst_mask, + u_int8_t protocol) +{ + struct sadb_protocol *proto; + host_t *host; + + msg->sadb_msg_version = PF_KEY_V2; + msg->sadb_msg_type = SADB_X_DELFLOW; + msg->sadb_msg_satype = satype; + msg->sadb_msg_len = PFKEY_LEN(sizeof(struct sadb_msg)); + + add_addr_ext(msg, src_net, SADB_X_EXT_ADDRESS_SRC_FLOW); + add_addr_ext(msg, dst_net, SADB_X_EXT_ADDRESS_DST_FLOW); + + host = mask2host(src_net->get_family(src_net), + src_mask); + add_addr_ext(msg, host, SADB_X_EXT_ADDRESS_SRC_MASK); + host->destroy(host); + + host = mask2host(dst_net->get_family(dst_net), + dst_mask); + add_addr_ext(msg, host, SADB_X_EXT_ADDRESS_DST_MASK); + host->destroy(host); + + proto = (struct sadb_protocol*)PFKEY_EXT_ADD_NEXT(msg); + proto->sadb_protocol_exttype = SADB_X_EXT_PROTOCOL; + proto->sadb_protocol_len = PFKEY_LEN(sizeof(struct sadb_protocol)); + proto->sadb_protocol_proto = protocol; + PFKEY_EXT_ADD(msg, proto); +} + +/** + * Parses a pfkey message received from the kernel + */ +static status_t parse_pfkey_message(struct sadb_msg *msg, pfkey_msg_t *out) +{ + struct sadb_ext* ext; + size_t len; + + memset(out, 0, sizeof(pfkey_msg_t)); + out->msg = msg; + + len = msg->sadb_msg_len; + len -= PFKEY_LEN(sizeof(struct sadb_msg)); + + ext = (struct sadb_ext*)(((char*)msg) + sizeof(struct sadb_msg)); + + while (len >= PFKEY_LEN(sizeof(struct sadb_ext))) + { + if (ext->sadb_ext_len < PFKEY_LEN(sizeof(struct sadb_ext)) || + ext->sadb_ext_len > len) + { + DBG1(DBG_KNL, "length of PF_KEY extension (%d) is invalid", ext->sadb_ext_type); + break; + } + + if ((ext->sadb_ext_type > SADB_EXT_MAX) || (!ext->sadb_ext_type)) + { + DBG1(DBG_KNL, "type of PF_KEY extension (%d) is invalid", ext->sadb_ext_type); + break; + } + + if (out->ext[ext->sadb_ext_type]) + { + DBG1(DBG_KNL, "duplicate PF_KEY extension of type (%d)", ext->sadb_ext_type); + break; + } + + out->ext[ext->sadb_ext_type] = ext; + ext = PFKEY_EXT_NEXT_LEN(ext, len); + } + + if (len) + { + DBG1(DBG_KNL, "PF_KEY message length is invalid"); + return FAILED; + } + + return SUCCESS; +} + +/** + * Send a message to a specific PF_KEY socket and handle the response. + */ +static status_t pfkey_send_socket(private_kernel_klips_ipsec_t *this, int socket, + struct sadb_msg *in, struct sadb_msg **out, size_t *out_len) +{ + unsigned char buf[PFKEY_BUFFER_SIZE]; + struct sadb_msg *msg; + int in_len, len; + + this->mutex_pfkey->lock(this->mutex_pfkey); + + in->sadb_msg_seq = ++this->seq; + in->sadb_msg_pid = getpid(); + + in_len = PFKEY_USER_LEN(in->sadb_msg_len); + + while (TRUE) + { + len = send(socket, in, in_len, 0); + + if (len != in_len) + { + switch (errno) + { + case EINTR: + /* interrupted, try again */ + continue; + case EINVAL: + case EEXIST: + case ESRCH: + /* we should also get a response for these from KLIPS */ + break; + default: + this->mutex_pfkey->unlock(this->mutex_pfkey); + DBG1(DBG_KNL, "error sending to PF_KEY socket: %s (%d)", + strerror(errno), errno); + return FAILED; + } + } + break; + } + + while (TRUE) + { + msg = (struct sadb_msg*)buf; + + len = recv(socket, buf, sizeof(buf), 0); + + if (len < 0) + { + if (errno == EINTR) + { + DBG1(DBG_KNL, "got interrupted"); + /* interrupted, try again */ + continue; + } + this->mutex_pfkey->unlock(this->mutex_pfkey); + DBG1(DBG_KNL, "error reading from PF_KEY socket: %s", strerror(errno)); + return FAILED; + } + if (len < sizeof(struct sadb_msg) || + msg->sadb_msg_len < PFKEY_LEN(sizeof(struct sadb_msg))) + { + this->mutex_pfkey->unlock(this->mutex_pfkey); + DBG1(DBG_KNL, "received corrupted PF_KEY message"); + return FAILED; + } + if (msg->sadb_msg_len > len / PFKEY_ALIGNMENT) + { + this->mutex_pfkey->unlock(this->mutex_pfkey); + DBG1(DBG_KNL, "buffer was too small to receive the complete PF_KEY message"); + return FAILED; + } + if (msg->sadb_msg_pid != in->sadb_msg_pid) + { + DBG2(DBG_KNL, "received PF_KEY message is not intended for us"); + continue; + } + if (msg->sadb_msg_seq != this->seq) + { + DBG1(DBG_KNL, "received PF_KEY message with invalid sequence number," + " was %d expected %d", msg->sadb_msg_seq, this->seq); + if (msg->sadb_msg_seq < this->seq) + { + continue; + } + this->mutex_pfkey->unlock(this->mutex_pfkey); + return FAILED; + } + if (msg->sadb_msg_type != in->sadb_msg_type) + { + DBG2(DBG_KNL, "received PF_KEY message of wrong type," + " was %d expected %d, ignoring", + msg->sadb_msg_type, in->sadb_msg_type); + } + break; + } + + *out_len = len; + *out = (struct sadb_msg*)malloc(len); + memcpy(*out, buf, len); + + this->mutex_pfkey->unlock(this->mutex_pfkey); + + return SUCCESS; +} + +/** + * Send a message to the default PF_KEY socket. + */ +static status_t pfkey_send(private_kernel_klips_ipsec_t *this, + struct sadb_msg *in, struct sadb_msg **out, size_t *out_len) +{ + return pfkey_send_socket(this, this->socket, in, out, out_len); +} + +/** + * Send a message to the default PF_KEY socket and handle the response. + */ +static status_t pfkey_send_ack(private_kernel_klips_ipsec_t *this, struct sadb_msg *in) +{ + struct sadb_msg *out; + size_t len; + + if (pfkey_send(this, in, &out, &len) != SUCCESS) + { + return FAILED; + } + else if (out->sadb_msg_errno) + { + DBG1(DBG_KNL, "PF_KEY error: %s (%d)", + strerror(out->sadb_msg_errno), out->sadb_msg_errno); + free(out); + return FAILED; + } + free(out); + return SUCCESS; +} + +/** + * Add an eroute to KLIPS + */ +static status_t add_eroute(private_kernel_klips_ipsec_t *this, u_int8_t satype, + u_int32_t spi, host_t *src, host_t *dst, host_t *src_net, u_int8_t src_mask, + host_t *dst_net, u_int8_t dst_mask, u_int8_t protocol, bool replace) +{ + unsigned char request[PFKEY_BUFFER_SIZE]; + struct sadb_msg *msg = (struct sadb_msg*)request; + + memset(&request, 0, sizeof(request)); + + build_addflow(msg, satype, spi, src, dst, src_net, src_mask, + dst_net, dst_mask, protocol, replace); + + return pfkey_send_ack(this, msg); +} + +/** + * Delete an eroute fom KLIPS + */ +static status_t del_eroute(private_kernel_klips_ipsec_t *this, u_int8_t satype, + host_t *src_net, u_int8_t src_mask, host_t *dst_net, u_int8_t dst_mask, + u_int8_t protocol) +{ + unsigned char request[PFKEY_BUFFER_SIZE]; + struct sadb_msg *msg = (struct sadb_msg*)request; + + memset(&request, 0, sizeof(request)); + + build_delflow(msg, satype, src_net, src_mask, dst_net, dst_mask, protocol); + + return pfkey_send_ack(this, msg); +} + +/** + * Process a SADB_ACQUIRE message from the kernel + */ +static void process_acquire(private_kernel_klips_ipsec_t *this, struct sadb_msg* msg) +{ + pfkey_msg_t response; + host_t *src, *dst; + u_int32_t reqid; + u_int8_t proto; + policy_entry_t *policy; + job_t *job; + + switch (msg->sadb_msg_satype) + { + case SADB_SATYPE_UNSPEC: + case SADB_SATYPE_ESP: + case SADB_SATYPE_AH: + break; + default: + /* acquire for AH/ESP only */ + return; + } + + if (parse_pfkey_message(msg, &response) != SUCCESS) + { + DBG1(DBG_KNL, "parsing SADB_ACQUIRE from kernel failed"); + return; + } + + /* KLIPS provides us only with the source and destination address, + * and the transport protocol of the packet that triggered the policy. + * we use this information to find a matching policy in our cache. + * because KLIPS installs a narrow %hold eroute covering only this information, + * we replace both the %trap and this %hold eroutes with a broader %hold + * eroute covering the whole policy */ + src = host_create_from_sockaddr((sockaddr_t*)(response.src + 1)); + dst = host_create_from_sockaddr((sockaddr_t*)(response.dst + 1)); + proto = response.src->sadb_address_proto; + if (!src || !dst || src->get_family(src) != dst->get_family(dst)) + { + DBG1(DBG_KNL, "received an SADB_ACQUIRE with invalid hosts"); + return; + } + + DBG2(DBG_KNL, "received an SADB_ACQUIRE for %H == %H : %d", src, dst, proto); + this->mutex->lock(this->mutex); + if (this->policies->find_first(this->policies, + (linked_list_match_t)policy_entry_match_byaddrs, + (void**)&policy, src, dst) != SUCCESS) + { + this->mutex->unlock(this->mutex); + DBG1(DBG_KNL, "received an SADB_ACQUIRE, but found no matching policy"); + return; + } + if ((reqid = policy->reqid) == 0) + { + this->mutex->unlock(this->mutex); + DBG1(DBG_KNL, "received an SADB_ACQUIRE, but policy is not routed anymore"); + return; + } + + /* add a broad %hold eroute that replaces the %trap eroute */ + add_eroute(this, SADB_X_SATYPE_INT, htonl(SPI_HOLD), NULL, NULL, + policy->src.net, policy->src.mask, policy->dst.net, policy->dst.mask, + policy->src.proto, TRUE); + + /* remove the narrow %hold eroute installed by KLIPS */ + del_eroute(this, SADB_X_SATYPE_INT, src, 32, dst, 32, proto); + + this->mutex->unlock(this->mutex); + + DBG2(DBG_KNL, "received an SADB_ACQUIRE"); + DBG1(DBG_KNL, "creating acquire job for CHILD_SA with reqid {%d}", reqid); + job = (job_t*)acquire_job_create(reqid, NULL, NULL); + charon->processor->queue_job(charon->processor, job); +} + +/** + * Process a SADB_X_NAT_T_NEW_MAPPING message from the kernel + */ +static void process_mapping(private_kernel_klips_ipsec_t *this, struct sadb_msg* msg) +{ + pfkey_msg_t response; + u_int32_t spi, reqid; + host_t *old_src, *new_src; + job_t *job; + + DBG2(DBG_KNL, "received an SADB_X_NAT_T_NEW_MAPPING"); + + if (parse_pfkey_message(msg, &response) != SUCCESS) + { + DBG1(DBG_KNL, "parsing SADB_X_NAT_T_NEW_MAPPING from kernel failed"); + return; + } + + spi = response.sa->sadb_sa_spi; + + if (proto_satype2ike(msg->sadb_msg_satype) == PROTO_ESP) + { + sa_entry_t *sa; + sockaddr_t *addr = (sockaddr_t*)(response.src + 1); + old_src = host_create_from_sockaddr(addr); + + this->mutex->lock(this->mutex); + if (!old_src || this->installed_sas->find_first(this->installed_sas, + (linked_list_match_t)sa_entry_match_encapbysrc, + (void**)&sa, &spi, old_src) != SUCCESS) + { + this->mutex->unlock(this->mutex); + DBG1(DBG_KNL, "received an SADB_X_NAT_T_NEW_MAPPING, but found no matching SA"); + return; + } + reqid = sa->reqid; + this->mutex->unlock(this->mutex); + + addr = (sockaddr_t*)(response.dst + 1); + switch (addr->sa_family) + { + case AF_INET: + { + struct sockaddr_in *sin = (struct sockaddr_in*)addr; + sin->sin_port = htons(response.x_natt_dport->sadb_x_nat_t_port_port); + } + case AF_INET6: + { + struct sockaddr_in6 *sin6 = (struct sockaddr_in6*)addr; + sin6->sin6_port = htons(response.x_natt_dport->sadb_x_nat_t_port_port); + } + default: + break; + } + new_src = host_create_from_sockaddr(addr); + if (new_src) + { + DBG1(DBG_KNL, "NAT mappings of ESP CHILD_SA with SPI %.8x and" + " reqid {%d} changed, queuing update job", ntohl(spi), reqid); + job = (job_t*)update_sa_job_create(reqid, new_src); + charon->processor->queue_job(charon->processor, job); + } + } +} + +/** + * Receives events from kernel + */ +static job_requeue_t receive_events(private_kernel_klips_ipsec_t *this) +{ + unsigned char buf[PFKEY_BUFFER_SIZE]; + struct sadb_msg *msg = (struct sadb_msg*)buf; + int len, oldstate; + + pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &oldstate); + len = recv(this->socket_events, buf, sizeof(buf), 0); + pthread_setcancelstate(oldstate, NULL); + + if (len < 0) + { + switch (errno) + { + case EINTR: + /* interrupted, try again */ + return JOB_REQUEUE_DIRECT; + case EAGAIN: + /* no data ready, select again */ + return JOB_REQUEUE_DIRECT; + default: + DBG1(DBG_KNL, "unable to receive from PF_KEY event socket"); + sleep(1); + return JOB_REQUEUE_FAIR; + } + } + + if (len < sizeof(struct sadb_msg) || + msg->sadb_msg_len < PFKEY_LEN(sizeof(struct sadb_msg))) + { + DBG2(DBG_KNL, "received corrupted PF_KEY message"); + return JOB_REQUEUE_DIRECT; + } + if (msg->sadb_msg_pid != 0) + { /* not from kernel. not interested, try another one */ + return JOB_REQUEUE_DIRECT; + } + if (msg->sadb_msg_len > len / PFKEY_ALIGNMENT) + { + DBG1(DBG_KNL, "buffer was too small to receive the complete PF_KEY message"); + return JOB_REQUEUE_DIRECT; + } + + switch (msg->sadb_msg_type) + { + case SADB_ACQUIRE: + process_acquire(this, msg); + break; + case SADB_EXPIRE: + /* SADB_EXPIRE events in KLIPS are only triggered by traffic (even for + * the time based limits). So if there is no traffic for a longer + * period than configured as hard limit, we wouldn't be able to rekey + * the SA and just receive the hard expire and thus delete the SA. + * To avoid this behavior and to make charon behave as with the other + * kernel plugins, we implement the expiration of SAs ourselves. */ + break; + case SADB_X_NAT_T_NEW_MAPPING: + process_mapping(this, msg); + break; + default: + break; + } + + return JOB_REQUEUE_DIRECT; +} + +typedef enum { + /** an SPI has expired */ + EXPIRE_TYPE_SPI, + /** a CHILD_SA has to be rekeyed */ + EXPIRE_TYPE_SOFT, + /** a CHILD_SA has to be deleted */ + EXPIRE_TYPE_HARD +} expire_type_t; + +typedef struct sa_expire_t sa_expire_t; + +struct sa_expire_t { + /** kernel interface */ + private_kernel_klips_ipsec_t *this; + /** the SPI of the expiring SA */ + u_int32_t spi; + /** the protocol of the expiring SA */ + protocol_id_t protocol; + /** the reqid of the expiring SA*/ + u_int32_t reqid; + /** what type of expire this is */ + expire_type_t type; +}; + +/** + * Called when an SA expires + */ +static job_requeue_t sa_expires(sa_expire_t *expire) +{ + private_kernel_klips_ipsec_t *this = expire->this; + protocol_id_t protocol = expire->protocol; + u_int32_t spi = expire->spi, reqid = expire->reqid; + bool hard = expire->type != EXPIRE_TYPE_SOFT; + sa_entry_t *cached_sa; + linked_list_t *list; + job_t *job; + + /* for an expired SPI we first check whether the CHILD_SA got installed + * in the meantime, for expired SAs we check whether they are still installed */ + list = expire->type == EXPIRE_TYPE_SPI ? this->allocated_spis : this->installed_sas; + + this->mutex->lock(this->mutex); + if (list->find_first(list, (linked_list_match_t)sa_entry_match_byid, + (void**)&cached_sa, &protocol, &spi, &reqid) != SUCCESS) + { + /* we found no entry: + * - for SPIs, a CHILD_SA has been installed + * - for SAs, the CHILD_SA has already been deleted */ + this->mutex->unlock(this->mutex); + return JOB_REQUEUE_NONE; + } + else + { + list->remove(list, cached_sa, NULL); + sa_entry_destroy(cached_sa); + } + this->mutex->unlock(this->mutex); + + DBG2(DBG_KNL, "%N CHILD_SA with SPI %.8x and reqid {%d} expired", + protocol_id_names, protocol, ntohl(spi), reqid); + + DBG1(DBG_KNL, "creating %s job for %N CHILD_SA with SPI %.8x and reqid {%d}", + hard ? "delete" : "rekey", protocol_id_names, + protocol, ntohl(spi), reqid); + if (hard) + { + job = (job_t*)delete_child_sa_job_create(reqid, protocol, spi); + } + else + { + job = (job_t*)rekey_child_sa_job_create(reqid, protocol, spi); + } + charon->processor->queue_job(charon->processor, job); + return JOB_REQUEUE_NONE; +} + +/** + * Schedule an expire job for an SA. Time is in seconds. + */ +static void schedule_expire(private_kernel_klips_ipsec_t *this, + protocol_id_t protocol, u_int32_t spi, + u_int32_t reqid, expire_type_t type, u_int32_t time) +{ + callback_job_t *job; + sa_expire_t *expire = malloc_thing(sa_expire_t); + expire->this = this; + expire->protocol = protocol; + expire->spi = spi; + expire->reqid = reqid; + expire->type = type; + job = callback_job_create((callback_job_cb_t)sa_expires, expire, free, NULL); + charon->scheduler->schedule_job(charon->scheduler, (job_t*)job, time * 1000); +} + +/** + * Implementation of kernel_interface_t.get_spi. + */ +static status_t get_spi(private_kernel_klips_ipsec_t *this, + host_t *src, host_t *dst, + protocol_id_t protocol, u_int32_t reqid, + u_int32_t *spi) +{ + /* we cannot use SADB_GETSPI because KLIPS does not allow us to set the + * NAT-T type in an SADB_UPDATE which we would have to use to update the + * implicitly created SA. + */ + rng_t *rng; + u_int32_t spi_gen; + + rng = lib->crypto->create_rng(lib->crypto, RNG_WEAK); + if (!rng) + { + DBG1(DBG_KNL, "allocating SPI failed: no RNG"); + return FAILED; + } + rng->get_bytes(rng, sizeof(spi_gen), (void*)&spi_gen); + rng->destroy(rng); + + /* charon's SPIs lie within the range from 0xc0000000 to 0xcFFFFFFF */ + spi_gen = 0xc0000000 | (spi_gen & 0x0FFFFFFF); + + DBG2(DBG_KNL, "allocated SPI %.8x for %N SA between %#H..%#H", + spi_gen, protocol_id_names, protocol, src, dst); + + *spi = htonl(spi_gen); + + this->mutex->lock(this->mutex); + this->allocated_spis->insert_last(this->allocated_spis, + create_sa_entry(protocol, *spi, reqid, NULL, NULL, FALSE, TRUE)); + this->mutex->unlock(this->mutex); + schedule_expire(this, protocol, *spi, reqid, EXPIRE_TYPE_SPI, SPI_TIMEOUT); + + return SUCCESS; +} + +/** + * Implementation of kernel_interface_t.get_cpi. + */ +static status_t get_cpi(private_kernel_klips_ipsec_t *this, + host_t *src, host_t *dst, + u_int32_t reqid, u_int16_t *cpi) +{ + return FAILED; +} + +/** + * Add a pseudo IPIP SA for tunnel mode with KLIPS. + */ +static status_t add_ipip_sa(private_kernel_klips_ipsec_t *this, + host_t *src, host_t *dst, u_int32_t spi, u_int32_t reqid) +{ + unsigned char request[PFKEY_BUFFER_SIZE]; + struct sadb_msg *msg, *out; + struct sadb_sa *sa; + size_t len; + + memset(&request, 0, sizeof(request)); + + DBG2(DBG_KNL, "adding pseudo IPIP SA with SPI %.8x and reqid {%d}", ntohl(spi), reqid); + + msg = (struct sadb_msg*)request; + msg->sadb_msg_version = PF_KEY_V2; + msg->sadb_msg_type = SADB_ADD; + msg->sadb_msg_satype = SADB_X_SATYPE_IPIP; + msg->sadb_msg_len = PFKEY_LEN(sizeof(struct sadb_msg)); + + sa = (struct sadb_sa*)PFKEY_EXT_ADD_NEXT(msg); + sa->sadb_sa_exttype = SADB_EXT_SA; + sa->sadb_sa_len = PFKEY_LEN(sizeof(struct sadb_sa)); + sa->sadb_sa_spi = spi; + sa->sadb_sa_state = SADB_SASTATE_MATURE; + PFKEY_EXT_ADD(msg, sa); + + add_addr_ext(msg, src, SADB_EXT_ADDRESS_SRC); + add_addr_ext(msg, dst, SADB_EXT_ADDRESS_DST); + + if (pfkey_send(this, msg, &out, &len) != SUCCESS) + { + DBG1(DBG_KNL, "unable to add pseudo IPIP SA with SPI %.8x", ntohl(spi)); + return FAILED; + } + else if (out->sadb_msg_errno) + { + DBG1(DBG_KNL, "unable to add pseudo IPIP SA with SPI %.8x: %s (%d)", + ntohl(spi), strerror(out->sadb_msg_errno), out->sadb_msg_errno); + free(out); + return FAILED; + } + + free(out); + return SUCCESS; +} + +/** + * group the IPIP SA required for tunnel mode with the outer SA + */ +static status_t group_ipip_sa(private_kernel_klips_ipsec_t *this, + host_t *src, host_t *dst, u_int32_t spi, + protocol_id_t protocol, u_int32_t reqid) +{ + unsigned char request[PFKEY_BUFFER_SIZE]; + struct sadb_msg *msg, *out; + struct sadb_sa *sa; + struct sadb_x_satype *satype; + size_t len; + + memset(&request, 0, sizeof(request)); + + DBG2(DBG_KNL, "grouping SAs with SPI %.8x and reqid {%d}", ntohl(spi), reqid); + + msg = (struct sadb_msg*)request; + msg->sadb_msg_version = PF_KEY_V2; + msg->sadb_msg_type = SADB_X_GRPSA; + msg->sadb_msg_satype = SADB_X_SATYPE_IPIP; + msg->sadb_msg_len = PFKEY_LEN(sizeof(struct sadb_msg)); + + sa = (struct sadb_sa*)PFKEY_EXT_ADD_NEXT(msg); + sa->sadb_sa_exttype = SADB_EXT_SA; + sa->sadb_sa_len = PFKEY_LEN(sizeof(struct sadb_sa)); + sa->sadb_sa_spi = spi; + sa->sadb_sa_state = SADB_SASTATE_MATURE; + PFKEY_EXT_ADD(msg, sa); + + add_addr_ext(msg, dst, SADB_EXT_ADDRESS_DST); + + satype = (struct sadb_x_satype*)PFKEY_EXT_ADD_NEXT(msg); + satype->sadb_x_satype_exttype = SADB_X_EXT_SATYPE2; + satype->sadb_x_satype_len = PFKEY_LEN(sizeof(struct sadb_x_satype)); + satype->sadb_x_satype_satype = proto_ike2satype(protocol); + PFKEY_EXT_ADD(msg, satype); + + sa = (struct sadb_sa*)PFKEY_EXT_ADD_NEXT(msg); + sa->sadb_sa_exttype = SADB_X_EXT_SA2; + sa->sadb_sa_len = PFKEY_LEN(sizeof(struct sadb_sa)); + sa->sadb_sa_spi = spi; + sa->sadb_sa_state = SADB_SASTATE_MATURE; + PFKEY_EXT_ADD(msg, sa); + + add_addr_ext(msg, dst, SADB_X_EXT_ADDRESS_DST2); + + if (pfkey_send(this, msg, &out, &len) != SUCCESS) + { + DBG1(DBG_KNL, "unable to group SAs with SPI %.8x", ntohl(spi)); + return FAILED; + } + else if (out->sadb_msg_errno) + { + DBG1(DBG_KNL, "unable to group SAs with SPI %.8x: %s (%d)", + ntohl(spi), strerror(out->sadb_msg_errno), out->sadb_msg_errno); + free(out); + return FAILED; + } + + free(out); + return SUCCESS; +} + +/** + * Implementation of kernel_interface_t.add_sa. + */ +static status_t add_sa(private_kernel_klips_ipsec_t *this, + host_t *src, host_t *dst, u_int32_t spi, + protocol_id_t protocol, u_int32_t reqid, + u_int64_t expire_soft, u_int64_t expire_hard, + u_int16_t enc_alg, chunk_t enc_key, + u_int16_t int_alg, chunk_t int_key, + ipsec_mode_t mode, u_int16_t ipcomp, u_int16_t cpi, + bool encap, bool inbound) +{ + unsigned char request[PFKEY_BUFFER_SIZE]; + struct sadb_msg *msg, *out; + struct sadb_sa *sa; + struct sadb_key *key; + size_t len; + + if (inbound) + { + /* for inbound SAs we allocated an SPI via get_spi, so we first check + * whether that SPI has already expired (race condition) */ + sa_entry_t *alloc_spi; + this->mutex->lock(this->mutex); + if (this->allocated_spis->find_first(this->allocated_spis, + (linked_list_match_t)sa_entry_match_byid, (void**)&alloc_spi, + &protocol, &spi, &reqid) != SUCCESS) + { + this->mutex->unlock(this->mutex); + DBG1(DBG_KNL, "allocated SPI %.8x has already expired", ntohl(spi)); + return FAILED; + } + else + { + this->allocated_spis->remove(this->allocated_spis, alloc_spi, NULL); + sa_entry_destroy(alloc_spi); + } + this->mutex->unlock(this->mutex); + } + + memset(&request, 0, sizeof(request)); + + DBG2(DBG_KNL, "adding SAD entry with SPI %.8x and reqid {%d}", ntohl(spi), reqid); + + msg = (struct sadb_msg*)request; + msg->sadb_msg_version = PF_KEY_V2; + msg->sadb_msg_type = SADB_ADD; + msg->sadb_msg_satype = proto_ike2satype(protocol); + msg->sadb_msg_len = PFKEY_LEN(sizeof(struct sadb_msg)); + + sa = (struct sadb_sa*)PFKEY_EXT_ADD_NEXT(msg); + sa->sadb_sa_exttype = SADB_EXT_SA; + sa->sadb_sa_len = PFKEY_LEN(sizeof(struct sadb_sa)); + sa->sadb_sa_spi = spi; + sa->sadb_sa_state = SADB_SASTATE_MATURE; + sa->sadb_sa_replay = (protocol == IPPROTO_COMP) ? 0 : 32; + sa->sadb_sa_auth = lookup_algorithm(integrity_algs, int_alg); + sa->sadb_sa_encrypt = lookup_algorithm(encryption_algs, enc_alg); + PFKEY_EXT_ADD(msg, sa); + + add_addr_ext(msg, src, SADB_EXT_ADDRESS_SRC); + add_addr_ext(msg, dst, SADB_EXT_ADDRESS_DST); + + if (enc_alg != ENCR_UNDEFINED) + { + if (!sa->sadb_sa_encrypt) + { + DBG1(DBG_KNL, "algorithm %N not supported by kernel!", + encryption_algorithm_names, enc_alg); + return FAILED; + } + DBG2(DBG_KNL, " using encryption algorithm %N with key size %d", + encryption_algorithm_names, enc_alg, enc_key.len * 8); + + key = (struct sadb_key*)PFKEY_EXT_ADD_NEXT(msg); + key->sadb_key_exttype = SADB_EXT_KEY_ENCRYPT; + key->sadb_key_bits = enc_key.len * 8; + key->sadb_key_len = PFKEY_LEN(sizeof(struct sadb_key) + enc_key.len); + memcpy(key + 1, enc_key.ptr, enc_key.len); + + PFKEY_EXT_ADD(msg, key); + } + + if (int_alg != AUTH_UNDEFINED) + { + if (!sa->sadb_sa_auth) + { + DBG1(DBG_KNL, "algorithm %N not supported by kernel!", + integrity_algorithm_names, int_alg); + return FAILED; + } + DBG2(DBG_KNL, " using integrity algorithm %N with key size %d", + integrity_algorithm_names, int_alg, int_key.len * 8); + + key = (struct sadb_key*)PFKEY_EXT_ADD_NEXT(msg); + key->sadb_key_exttype = SADB_EXT_KEY_AUTH; + key->sadb_key_bits = int_key.len * 8; + key->sadb_key_len = PFKEY_LEN(sizeof(struct sadb_key) + int_key.len); + memcpy(key + 1, int_key.ptr, int_key.len); + + PFKEY_EXT_ADD(msg, key); + } + + if (ipcomp != IPCOMP_NONE) + { + /*TODO*/ + } + + if (encap) + { + add_encap_ext(msg, src, dst, FALSE); + } + + if (pfkey_send(this, msg, &out, &len) != SUCCESS) + { + DBG1(DBG_KNL, "unable to add SAD entry with SPI %.8x", ntohl(spi)); + return FAILED; + } + else if (out->sadb_msg_errno) + { + DBG1(DBG_KNL, "unable to add SAD entry with SPI %.8x: %s (%d)", + ntohl(spi), strerror(out->sadb_msg_errno), out->sadb_msg_errno); + free(out); + return FAILED; + } + free(out); + + /* for tunnel mode SAs we have to install an additional IPIP SA and + * group the two SAs together */ + if (mode == MODE_TUNNEL) + { + if (add_ipip_sa(this, src, dst, spi, reqid) != SUCCESS || + group_ipip_sa(this, src, dst, spi, protocol, reqid) != SUCCESS) + { + DBG1(DBG_KNL, "unable to add SAD entry with SPI %.8x", ntohl(spi)); + return FAILED; + } + } + + this->mutex->lock(this->mutex); + /* we cache this SA for two reasons: + * - in case an SADB_X_NAT_T_MAPPING_NEW event occurs (we need to find the reqid then) + * - to decide if an expired SA is still installed */ + this->installed_sas->insert_last(this->installed_sas, + create_sa_entry(protocol, spi, reqid, src, dst, encap, inbound)); + this->mutex->unlock(this->mutex); + + /* Although KLIPS supports SADB_EXT_LIFETIME_SOFT/HARD, we handle the lifetime + * of SAs manually in the plugin. Refer to the comments in receive_events() + * for details. */ + if (expire_soft) + { + schedule_expire(this, protocol, spi, reqid, EXPIRE_TYPE_SOFT, expire_soft); + } + + if (expire_hard) + { + schedule_expire(this, protocol, spi, reqid, EXPIRE_TYPE_HARD, expire_hard); + } + + return SUCCESS; +} + +/** + * Implementation of kernel_interface_t.update_sa. + */ +static status_t update_sa(private_kernel_klips_ipsec_t *this, + u_int32_t spi, protocol_id_t protocol, u_int16_t cpi, + host_t *src, host_t *dst, + host_t *new_src, host_t *new_dst, + bool encap, bool new_encap) +{ + unsigned char request[PFKEY_BUFFER_SIZE]; + struct sadb_msg *msg, *out; + struct sadb_sa *sa; + size_t len; + + /* we can't update the SA if any of the ip addresses have changed. + * that's because we can't use SADB_UPDATE and by deleting and readding the + * SA the sequence numbers would get lost */ + if (!src->ip_equals(src, new_src) || + !dst->ip_equals(dst, new_dst)) + { + DBG1(DBG_KNL, "unable to update SAD entry with SPI %.8x: address changes" + " are not supported", ntohl(spi)); + return NOT_SUPPORTED; + } + + /* because KLIPS does not allow us to change the NAT-T type in an SADB_UPDATE, + * we can't update the SA if the encap flag has changed since installing it */ + if (encap != new_encap) + { + DBG1(DBG_KNL, "unable to update SAD entry with SPI %.8x: change of UDP" + " encapsulation is not supported", ntohl(spi)); + return NOT_SUPPORTED; + } + + DBG2(DBG_KNL, "updating SAD entry with SPI %.8x from %#H..%#H to %#H..%#H", + ntohl(spi), src, dst, new_src, new_dst); + + memset(&request, 0, sizeof(request)); + + msg = (struct sadb_msg*)request; + msg->sadb_msg_version = PF_KEY_V2; + msg->sadb_msg_type = SADB_UPDATE; + msg->sadb_msg_satype = proto_ike2satype(protocol); + msg->sadb_msg_len = PFKEY_LEN(sizeof(struct sadb_msg)); + + sa = (struct sadb_sa*)PFKEY_EXT_ADD_NEXT(msg); + sa->sadb_sa_exttype = SADB_EXT_SA; + sa->sadb_sa_len = PFKEY_LEN(sizeof(struct sadb_sa)); + sa->sadb_sa_spi = spi; + sa->sadb_sa_encrypt = SADB_EALG_AESCBC; /* ignored */ + sa->sadb_sa_auth = SADB_AALG_SHA1HMAC; /* ignored */ + sa->sadb_sa_state = SADB_SASTATE_MATURE; + PFKEY_EXT_ADD(msg, sa); + + add_addr_ext(msg, src, SADB_EXT_ADDRESS_SRC); + add_addr_ext(msg, dst, SADB_EXT_ADDRESS_DST); + + add_encap_ext(msg, new_src, new_dst, TRUE); + + if (pfkey_send(this, msg, &out, &len) != SUCCESS) + { + DBG1(DBG_KNL, "unable to update SAD entry with SPI %.8x", ntohl(spi)); + return FAILED; + } + else if (out->sadb_msg_errno) + { + DBG1(DBG_KNL, "unable to update SAD entry with SPI %.8x: %s (%d)", + ntohl(spi), strerror(out->sadb_msg_errno), out->sadb_msg_errno); + free(out); + return FAILED; + } + free(out); + + return SUCCESS; +} + +/** + * Implementation of kernel_interface_t.del_sa. + */ +static status_t del_sa(private_kernel_klips_ipsec_t *this, host_t *dst, + u_int32_t spi, protocol_id_t protocol, u_int16_t cpi) +{ + unsigned char request[PFKEY_BUFFER_SIZE]; + struct sadb_msg *msg, *out; + struct sadb_sa *sa; + sa_entry_t *cached_sa; + size_t len; + + memset(&request, 0, sizeof(request)); + + /* all grouped SAs are automatically deleted by KLIPS as soon as + * one of them is deleted, therefore we delete only the main one */ + DBG2(DBG_KNL, "deleting SAD entry with SPI %.8x", ntohl(spi)); + + this->mutex->lock(this->mutex); + /* this should not fail, but we don't care if it does, let the kernel decide + * whether this SA exists or not */ + if (this->installed_sas->find_first(this->installed_sas, + (linked_list_match_t)sa_entry_match_bydst, (void**)&cached_sa, + &protocol, &spi, dst) == SUCCESS) + { + this->installed_sas->remove(this->installed_sas, cached_sa, NULL); + sa_entry_destroy(cached_sa); + } + this->mutex->unlock(this->mutex); + + msg = (struct sadb_msg*)request; + msg->sadb_msg_version = PF_KEY_V2; + msg->sadb_msg_type = SADB_DELETE; + msg->sadb_msg_satype = proto_ike2satype(protocol); + msg->sadb_msg_len = PFKEY_LEN(sizeof(struct sadb_msg)); + + sa = (struct sadb_sa*)PFKEY_EXT_ADD_NEXT(msg); + sa->sadb_sa_exttype = SADB_EXT_SA; + sa->sadb_sa_len = PFKEY_LEN(sizeof(struct sadb_sa)); + sa->sadb_sa_spi = spi; + PFKEY_EXT_ADD(msg, sa); + + /* the kernel wants an SADB_EXT_ADDRESS_SRC to be present even though + * it is not used for anything. */ + add_anyaddr_ext(msg, dst->get_family(dst), SADB_EXT_ADDRESS_SRC); + add_addr_ext(msg, dst, SADB_EXT_ADDRESS_DST); + + if (pfkey_send(this, msg, &out, &len) != SUCCESS) + { + DBG1(DBG_KNL, "unable to delete SAD entry with SPI %.8x", ntohl(spi)); + return FAILED; + } + else if (out->sadb_msg_errno) + { + DBG1(DBG_KNL, "unable to delete SAD entry with SPI %.8x: %s (%d)", + ntohl(spi), strerror(out->sadb_msg_errno), out->sadb_msg_errno); + free(out); + return FAILED; + } + + DBG2(DBG_KNL, "deleted SAD entry with SPI %.8x", ntohl(spi)); + free(out); + return SUCCESS; +} + +/** + * Implementation of kernel_interface_t.add_policy. + */ +static status_t add_policy(private_kernel_klips_ipsec_t *this, + host_t *src, host_t *dst, + traffic_selector_t *src_ts, + traffic_selector_t *dst_ts, + policy_dir_t direction, u_int32_t spi, + protocol_id_t protocol, u_int32_t reqid, + ipsec_mode_t mode, u_int16_t ipcomp, u_int16_t cpi, + bool routed) +{ + unsigned char request[PFKEY_BUFFER_SIZE]; + struct sadb_msg *msg, *out; + policy_entry_t *policy, *found = NULL; + u_int8_t satype; + size_t len; + + if (direction == POLICY_FWD) + { + /* no forward policies for KLIPS */ + return SUCCESS; + } + + /* tunnel mode policies direct the packets into the pseudo IPIP SA */ + satype = (mode == MODE_TUNNEL) ? SADB_X_SATYPE_IPIP : + proto_ike2satype(protocol); + + /* create a policy */ + policy = create_policy_entry(src_ts, dst_ts, direction); + + /* find a matching policy */ + this->mutex->lock(this->mutex); + if (this->policies->find_first(this->policies, + (linked_list_match_t)policy_entry_equals, (void**)&found, policy) == SUCCESS) + { + /* use existing policy */ + DBG2(DBG_KNL, "policy %R === %R %N already exists, increasing" + " refcount", src_ts, dst_ts, + policy_dir_names, direction); + policy_entry_destroy(policy); + policy = found; + } + else + { + /* apply the new one, if we have no such policy */ + this->policies->insert_last(this->policies, policy); + } + + if (routed) + { + /* we install this as a %trap eroute in the kernel, later to be + * triggered by packets matching the policy (-> ACQUIRE). */ + spi = htonl(SPI_TRAP); + satype = SADB_X_SATYPE_INT; + + /* the reqid is always set to the latest child SA that trapped this + * policy. we will need this reqid upon receiving an acquire. */ + policy->reqid = reqid; + + /* increase the trap counter */ + policy->trapcount++; + + if (policy->activecount) + { + /* we do not replace the current policy in the kernel while a + * policy is actively used */ + this->mutex->unlock(this->mutex); + return SUCCESS; + } + } + else + { + /* increase the reference counter */ + policy->activecount++; + } + + DBG2(DBG_KNL, "adding policy %R === %R %N", src_ts, dst_ts, + policy_dir_names, direction); + + memset(&request, 0, sizeof(request)); + + msg = (struct sadb_msg*)request; + + /* FIXME: SADB_X_SAFLAGS_INFLOW may be required, if we add an inbound policy for an IPIP SA */ + build_addflow(msg, satype, spi, routed ? NULL : src, routed ? NULL : dst, + policy->src.net, policy->src.mask, policy->dst.net, policy->dst.mask, + policy->src.proto, found != NULL); + + this->mutex->unlock(this->mutex); + + if (pfkey_send(this, msg, &out, &len) != SUCCESS) + { + DBG1(DBG_KNL, "unable to add policy %R === %R %N", src_ts, dst_ts, + policy_dir_names, direction); + return FAILED; + } + else if (out->sadb_msg_errno) + { + DBG1(DBG_KNL, "unable to add policy %R === %R %N: %s (%d)", src_ts, dst_ts, + policy_dir_names, direction, + strerror(out->sadb_msg_errno), out->sadb_msg_errno); + free(out); + return FAILED; + } + free(out); + + this->mutex->lock(this->mutex); + + /* we try to find the policy again and install the route if needed */ + if (this->policies->find_last(this->policies, NULL, (void**)&policy) != SUCCESS) + { + this->mutex->unlock(this->mutex); + DBG2(DBG_KNL, "the policy %R === %R %N is already gone, ignoring", + src_ts, dst_ts, policy_dir_names, direction); + return SUCCESS; + } + + /* KLIPS requires a special route that directs traffic that matches this + * policy to one of the virtual ipsec interfaces. The virtual interface + * has to be attached to the physical one the traffic runs over. + * This is a special case of the source route we install in other kernel + * interfaces. + * In the following cases we do NOT install a source route (but just a + * regular route): + * - we are not in tunnel mode + * - we are using IPv6 (does not work correctly yet!) + * - routing is disabled via strongswan.conf + */ + if (policy->route == NULL && direction == POLICY_OUT) + { + char *iface; + ipsec_dev_t *dev; + route_entry_t *route = malloc_thing(route_entry_t); + route->src_ip = NULL; + + if (mode != MODE_TRANSPORT && src->get_family(src) != AF_INET6 && + this->install_routes) + { + charon->kernel_interface->get_address_by_ts(charon->kernel_interface, + src_ts, &route->src_ip); + } + + if (!route->src_ip) + { + route->src_ip = host_create_any(src->get_family(src)); + } + + /* find the virtual interface */ + iface = charon->kernel_interface->get_interface(charon->kernel_interface, + src); + if (find_ipsec_dev(this, iface, &dev) == SUCCESS) + { + /* above, we got either the name of a virtual or a physical + * interface. for both cases it means we already have the devices + * properly attached (assuming that we are exclusively attaching + * ipsec devices). */ + dev->refcount++; + } + else + { + /* there is no record of a mapping with the returned interface. + * thus, we attach the first free virtual interface we find to + * it. As above we assume we are the only client fiddling with + * ipsec devices. */ + if (this->ipsec_devices->find_first(this->ipsec_devices, + (linked_list_match_t)ipsec_dev_match_free, + (void**)&dev) == SUCCESS) + { + if (attach_ipsec_dev(dev->name, iface) == SUCCESS) + { + strncpy(dev->phys_name, iface, IFNAMSIZ); + dev->refcount = 1; + } + else + { + DBG1(DBG_KNL, "failed to attach virtual interface %s" + " to %s", dev->name, iface); + this->mutex->unlock(this->mutex); + free(iface); + return FAILED; + } + } + else + { + this->mutex->unlock(this->mutex); + DBG1(DBG_KNL, "failed to attach a virtual interface to %s: no" + " virtual interfaces left", iface); + free(iface); + return FAILED; + } + } + free(iface); + route->if_name = strdup(dev->name); + + /* get the nexthop to dst */ + route->gateway = charon->kernel_interface->get_nexthop( + charon->kernel_interface, dst); + route->dst_net = chunk_clone(policy->dst.net->get_address(policy->dst.net)); + route->prefixlen = policy->dst.mask; + + switch (charon->kernel_interface->add_route(charon->kernel_interface, + route->dst_net, route->prefixlen, route->gateway, + route->src_ip, route->if_name)) + { + default: + DBG1(DBG_KNL, "unable to install route for policy %R === %R", + src_ts, dst_ts); + /* FALL */ + case ALREADY_DONE: + /* route exists, do not uninstall */ + route_entry_destroy(route); + break; + case SUCCESS: + /* cache the installed route */ + policy->route = route; + break; + } + } + + this->mutex->unlock(this->mutex); + + return SUCCESS; +} + +/** + * Implementation of kernel_interface_t.query_policy. + */ +static status_t query_policy(private_kernel_klips_ipsec_t *this, + traffic_selector_t *src_ts, + traffic_selector_t *dst_ts, + policy_dir_t direction, u_int32_t *use_time) +{ + #define IDLE_PREFIX "idle=" + static const char *path_eroute = "/proc/net/ipsec_eroute"; + static const char *path_spi = "/proc/net/ipsec_spi"; + FILE *file; + char line[1024], src[INET6_ADDRSTRLEN + 9], dst[INET6_ADDRSTRLEN + 9]; + char *said = NULL, *pos; + policy_entry_t *policy, *found = NULL; + status_t status = FAILED; + + if (direction == POLICY_FWD) + { + /* we do not install forward policies */ + return FAILED; + } + + DBG2(DBG_KNL, "querying policy %R === %R %N", src_ts, dst_ts, + policy_dir_names, direction); + + /* create a policy */ + policy = create_policy_entry(src_ts, dst_ts, direction); + + /* find a matching policy */ + this->mutex->lock(this->mutex); + if (this->policies->find_first(this->policies, + (linked_list_match_t)policy_entry_equals, (void**)&found, policy) != SUCCESS) + { + this->mutex->unlock(this->mutex); + DBG1(DBG_KNL, "querying policy %R === %R %N failed, not found", src_ts, + dst_ts, policy_dir_names, direction); + policy_entry_destroy(policy); + return NOT_FOUND; + } + policy_entry_destroy(policy); + policy = found; + + /* src and dst selectors in KLIPS are of the form NET_ADDR/NETBITS:PROTO */ + snprintf(src, sizeof(src), "%H/%d:%d", policy->src.net, policy->src.mask, + policy->src.proto); + src[sizeof(src) - 1] = '\0'; + snprintf(dst, sizeof(dst), "%H/%d:%d", policy->dst.net, policy->dst.mask, + policy->dst.proto); + dst[sizeof(dst) - 1] = '\0'; + + this->mutex->unlock(this->mutex); + + /* we try to find the matching eroute first */ + file = fopen(path_eroute, "r"); + if (file == NULL) + { + DBG1(DBG_KNL, "unable to query policy %R === %R %N: %s (%d)", src_ts, + dst_ts, policy_dir_names, direction, strerror(errno), errno); + return FAILED; + } + + /* read line by line where each line looks like: + * packets src -> dst => said */ + while (fgets(line, sizeof(line), file)) + { + enumerator_t *enumerator; + char *token; + int i = 0; + + enumerator = enumerator_create_token(line, " \t", " \t\n"); + while (enumerator->enumerate(enumerator, &token)) + { + switch (i++) + { + case 0: /* packets */ + continue; + case 1: /* src */ + if (streq(token, src)) + { + continue; + } + break; + case 2: /* -> */ + continue; + case 3: /* dst */ + if (streq(token, dst)) + { + continue; + } + break; + case 4: /* => */ + continue; + case 5: /* said */ + said = strdup(token); + break; + } + break; + } + enumerator->destroy(enumerator); + + if (i == 5) + { + /* eroute matched */ + break; + } + } + fclose(file); + + if (said == NULL) + { + DBG1(DBG_KNL, "unable to query policy %R === %R %N: found no matching" + " eroute", src_ts, dst_ts, policy_dir_names, direction); + return FAILED; + } + + /* compared with the one in the spi entry the SA ID from the eroute entry + * has an additional ":PROTO" appended, which we need to cut off */ + pos = strrchr(said, ':'); + *pos = '\0'; + + /* now we try to find the matching spi entry */ + file = fopen(path_spi, "r"); + if (file == NULL) + { + DBG1(DBG_KNL, "unable to query policy %R === %R %N: %s (%d)", src_ts, + dst_ts, policy_dir_names, direction, strerror(errno), errno); + return FAILED; + } + + while (fgets(line, sizeof(line), file)) + { + if (strneq(line, said, strlen(said))) + { + /* fine we found the correct line, now find the idle time */ + u_int32_t idle_time; + pos = strstr(line, IDLE_PREFIX); + if (pos == NULL) + { + /* no idle time, i.e. this SA has not been used yet */ + break; + } + if (sscanf(pos, IDLE_PREFIX"%u", &idle_time) <= 0) + { + /* idle time not valid */ + break; + } + + *use_time = time(NULL) - idle_time; + status = SUCCESS; + break; + } + } + fclose(file); + free(said); + + return status; +} + +/** + * Implementation of kernel_interface_t.del_policy. + */ +static status_t del_policy(private_kernel_klips_ipsec_t *this, + traffic_selector_t *src_ts, + traffic_selector_t *dst_ts, + policy_dir_t direction, bool unrouted) +{ + unsigned char request[PFKEY_BUFFER_SIZE]; + struct sadb_msg *msg = (struct sadb_msg*)request, *out; + policy_entry_t *policy, *found = NULL; + route_entry_t *route; + size_t len; + + if (direction == POLICY_FWD) + { + /* no forward policies for KLIPS */ + return SUCCESS; + } + + DBG2(DBG_KNL, "deleting policy %R === %R %N", src_ts, dst_ts, + policy_dir_names, direction); + + /* create a policy */ + policy = create_policy_entry(src_ts, dst_ts, direction); + + /* find a matching policy */ + this->mutex->lock(this->mutex); + if (this->policies->find_first(this->policies, + (linked_list_match_t)policy_entry_equals, (void**)&found, policy) != SUCCESS) + { + this->mutex->unlock(this->mutex); + DBG1(DBG_KNL, "deleting policy %R === %R %N failed, not found", src_ts, + dst_ts, policy_dir_names, direction); + policy_entry_destroy(policy); + return NOT_FOUND; + } + policy_entry_destroy(policy); + + /* decrease appropriate counter */ + unrouted ? found->trapcount-- : found->activecount--; + + if (found->trapcount == 0) + { + /* if this policy is finally unrouted, we reset the reqid because it + * may still be actively used and there might be a pending acquire for + * this policy. */ + found->reqid = 0; + } + + if (found->activecount > 0) + { + /* is still used by SAs, keep in kernel */ + this->mutex->unlock(this->mutex); + DBG2(DBG_KNL, "policy still used by another CHILD_SA, not removed"); + return SUCCESS; + } + else if (found->activecount == 0 && found->trapcount > 0) + { + /* for a policy that is not used actively anymore, but is still trapped + * by another child SA we replace the current eroute with a %trap eroute */ + DBG2(DBG_KNL, "policy still routed by another CHILD_SA, not removed"); + memset(&request, 0, sizeof(request)); + build_addflow(msg, SADB_X_SATYPE_INT, htonl(SPI_TRAP), NULL, NULL, + found->src.net, found->src.mask, found->dst.net, + found->dst.mask, found->src.proto, TRUE); + this->mutex->unlock(this->mutex); + return pfkey_send_ack(this, msg); + } + + /* remove if last reference */ + this->policies->remove(this->policies, found, NULL); + policy = found; + + this->mutex->unlock(this->mutex); + + memset(&request, 0, sizeof(request)); + + build_delflow(msg, 0, policy->src.net, policy->src.mask, policy->dst.net, + policy->dst.mask, policy->src.proto); + + route = policy->route; + policy->route = NULL; + policy_entry_destroy(policy); + + if (pfkey_send(this, msg, &out, &len) != SUCCESS) + { + DBG1(DBG_KNL, "unable to delete policy %R === %R %N", src_ts, dst_ts, + policy_dir_names, direction); + return FAILED; + } + else if (out->sadb_msg_errno) + { + DBG1(DBG_KNL, "unable to delete policy %R === %R %N: %s (%d)", src_ts, + dst_ts, policy_dir_names, direction, + strerror(out->sadb_msg_errno), out->sadb_msg_errno); + free(out); + return FAILED; + } + free(out); + + if (route) + { + ipsec_dev_t *dev; + + if (charon->kernel_interface->del_route(charon->kernel_interface, + route->dst_net, route->prefixlen, route->gateway, + route->src_ip, route->if_name) != SUCCESS) + { + DBG1(DBG_KNL, "error uninstalling route installed with" + " policy %R === %R %N", src_ts, dst_ts, + policy_dir_names, direction); + } + + /* we have to detach the ipsec interface from the physical one over which + * this SA ran (if it is not used by any other) */ + this->mutex->lock(this->mutex); + + if (find_ipsec_dev(this, route->if_name, &dev) == SUCCESS) + { + /* fine, we found a matching device object, let's check if we have + * to detach it. */ + if (--dev->refcount == 0) + { + if (detach_ipsec_dev(dev->name, dev->phys_name) != SUCCESS) + { + DBG1(DBG_KNL, "failed to detach virtual interface %s" + " from %s", dev->name, dev->phys_name); + } + dev->phys_name[0] = '\0'; + } + } + + this->mutex->unlock(this->mutex); + + route_entry_destroy(route); + } + + return SUCCESS; +} + +/** + * Initialize the list of ipsec devices + */ +static void init_ipsec_devices(private_kernel_klips_ipsec_t *this) +{ + int i, count = lib->settings->get_int(lib->settings, + "charon.plugins.kernel_klips.ipsec_dev_count", + DEFAULT_IPSEC_DEV_COUNT); + + for (i = 0; i < count; ++i) + { + ipsec_dev_t *dev = malloc_thing(ipsec_dev_t); + snprintf(dev->name, IFNAMSIZ, IPSEC_DEV_PREFIX"%d", i); + dev->name[IFNAMSIZ - 1] = '\0'; + dev->phys_name[0] = '\0'; + dev->refcount = 0; + this->ipsec_devices->insert_last(this->ipsec_devices, dev); + + /* detach any previously attached ipsec device */ + detach_ipsec_dev(dev->name, dev->phys_name); + } +} + +/** + * Register a socket for AQUIRE/EXPIRE messages + */ +static status_t register_pfkey_socket(private_kernel_klips_ipsec_t *this, u_int8_t satype) +{ + unsigned char request[PFKEY_BUFFER_SIZE]; + struct sadb_msg *msg, *out; + size_t len; + + memset(&request, 0, sizeof(request)); + + msg = (struct sadb_msg*)request; + msg->sadb_msg_version = PF_KEY_V2; + msg->sadb_msg_type = SADB_REGISTER; + msg->sadb_msg_satype = satype; + msg->sadb_msg_len = PFKEY_LEN(sizeof(struct sadb_msg)); + + if (pfkey_send_socket(this, this->socket_events, msg, &out, &len) != SUCCESS) + { + DBG1(DBG_KNL, "unable to register PF_KEY socket"); + return FAILED; + } + else if (out->sadb_msg_errno) + { + DBG1(DBG_KNL, "unable to register PF_KEY socket: %s (%d)", + strerror(out->sadb_msg_errno), out->sadb_msg_errno); + free(out); + return FAILED; + } + free(out); + return SUCCESS; +} + +/** + * Implementation of kernel_interface_t.destroy. + */ +static void destroy(private_kernel_klips_ipsec_t *this) +{ + this->job->cancel(this->job); + close(this->socket); + close(this->socket_events); + this->mutex_pfkey->destroy(this->mutex_pfkey); + this->mutex->destroy(this->mutex); + this->ipsec_devices->destroy_function(this->ipsec_devices, (void*)ipsec_dev_destroy); + this->installed_sas->destroy_function(this->installed_sas, (void*)sa_entry_destroy); + this->allocated_spis->destroy_function(this->allocated_spis, (void*)sa_entry_destroy); + this->policies->destroy_function(this->policies, (void*)policy_entry_destroy); + free(this); +} + +/* + * Described in header. + */ +kernel_klips_ipsec_t *kernel_klips_ipsec_create() +{ + private_kernel_klips_ipsec_t *this = malloc_thing(private_kernel_klips_ipsec_t); + + /* public functions */ + this->public.interface.get_spi = (status_t(*)(kernel_ipsec_t*,host_t*,host_t*,protocol_id_t,u_int32_t,u_int32_t*))get_spi; + this->public.interface.get_cpi = (status_t(*)(kernel_ipsec_t*,host_t*,host_t*,u_int32_t,u_int16_t*))get_cpi; + this->public.interface.add_sa = (status_t(*)(kernel_ipsec_t *,host_t*,host_t*,u_int32_t,protocol_id_t,u_int32_t,u_int64_t,u_int64_t,u_int16_t,chunk_t,u_int16_t,chunk_t,ipsec_mode_t,u_int16_t,u_int16_t,bool,bool))add_sa; + this->public.interface.update_sa = (status_t(*)(kernel_ipsec_t*,u_int32_t,protocol_id_t,u_int16_t,host_t*,host_t*,host_t*,host_t*,bool,bool))update_sa; + this->public.interface.del_sa = (status_t(*)(kernel_ipsec_t*,host_t*,u_int32_t,protocol_id_t,u_int16_t))del_sa; + this->public.interface.add_policy = (status_t(*)(kernel_ipsec_t*,host_t*,host_t*,traffic_selector_t*,traffic_selector_t*,policy_dir_t,u_int32_t,protocol_id_t,u_int32_t,ipsec_mode_t,u_int16_t,u_int16_t,bool))add_policy; + this->public.interface.query_policy = (status_t(*)(kernel_ipsec_t*,traffic_selector_t*,traffic_selector_t*,policy_dir_t,u_int32_t*))query_policy; + this->public.interface.del_policy = (status_t(*)(kernel_ipsec_t*,traffic_selector_t*,traffic_selector_t*,policy_dir_t,bool))del_policy; + + this->public.interface.destroy = (void(*)(kernel_ipsec_t*)) destroy; + + /* private members */ + this->policies = linked_list_create(); + this->allocated_spis = linked_list_create(); + this->installed_sas = linked_list_create(); + this->ipsec_devices = linked_list_create(); + this->mutex = mutex_create(MUTEX_DEFAULT); + this->mutex_pfkey = mutex_create(MUTEX_DEFAULT); + this->install_routes = lib->settings->get_bool(lib->settings, "charon.install_routes", TRUE); + this->seq = 0; + + /* initialize ipsec devices */ + init_ipsec_devices(this); + + /* create a PF_KEY socket to communicate with the kernel */ + this->socket = socket(PF_KEY, SOCK_RAW, PF_KEY_V2); + if (this->socket <= 0) + { + charon->kill(charon, "unable to create PF_KEY socket"); + } + + /* create a PF_KEY socket for ACQUIRE & EXPIRE */ + this->socket_events = socket(PF_KEY, SOCK_RAW, PF_KEY_V2); + if (this->socket_events <= 0) + { + charon->kill(charon, "unable to create PF_KEY event socket"); + } + + /* register the event socket */ + if (register_pfkey_socket(this, SADB_SATYPE_ESP) != SUCCESS || + register_pfkey_socket(this, SADB_SATYPE_AH) != SUCCESS) + { + charon->kill(charon, "unable to register PF_KEY event socket"); + } + + this->job = callback_job_create((callback_job_cb_t)receive_events, + this, NULL, NULL); + charon->processor->queue_job(charon->processor, (job_t*)this->job); + + return &this->public; +} diff --git a/src/charon/plugins/kernel_klips/kernel_klips_ipsec.h b/src/charon/plugins/kernel_klips/kernel_klips_ipsec.h new file mode 100644 index 000000000..b16390ab4 --- /dev/null +++ b/src/charon/plugins/kernel_klips/kernel_klips_ipsec.h @@ -0,0 +1,48 @@ +/* + * Copyright (C) 2008 Tobias Brunner + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * $Id: kernel_klips_ipsec.h 4617 2008-11-11 08:45:19Z tobias $ + */ + +/** + * @defgroup kernel_klips_ipsec_i kernel_klips_ipsec + * @{ @ingroup kernel_klips + */ + +#ifndef KERNEL_KLIPS_IPSEC_H_ +#define KERNEL_KLIPS_IPSEC_H_ + +#include <kernel/kernel_ipsec.h> + +typedef struct kernel_klips_ipsec_t kernel_klips_ipsec_t; + +/** + * Implementation of the kernel ipsec interface using PF_KEY. + */ +struct kernel_klips_ipsec_t { + + /** + * Implements kernel_ipsec_t interface + */ + kernel_ipsec_t interface; +}; + +/** + * Create a PF_KEY kernel ipsec interface instance. + * + * @return kernel_klips_ipsec_t instance + */ +kernel_klips_ipsec_t *kernel_klips_ipsec_create(); + +#endif /* KERNEL_KLIPS_IPSEC_H_ @} */ diff --git a/src/charon/plugins/kernel_klips/kernel_klips_plugin.c b/src/charon/plugins/kernel_klips/kernel_klips_plugin.c new file mode 100644 index 000000000..42d7307ec --- /dev/null +++ b/src/charon/plugins/kernel_klips/kernel_klips_plugin.c @@ -0,0 +1,58 @@ +/* + * Copyright (C) 2008 Tobias Brunner + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * $Id: kernel_klips_plugin.c 4617 2008-11-11 08:45:19Z tobias $ + */ + + +#include "kernel_klips_plugin.h" + +#include "kernel_klips_ipsec.h" + +#include <daemon.h> + +typedef struct private_kernel_klips_plugin_t private_kernel_klips_plugin_t; + +/** + * private data of kernel PF_KEY plugin + */ +struct private_kernel_klips_plugin_t { + /** + * implements plugin interface + */ + kernel_klips_plugin_t public; +}; + +/** + * Implementation of plugin_t.destroy + */ +static void destroy(private_kernel_klips_plugin_t *this) +{ + charon->kernel_interface->remove_ipsec_interface(charon->kernel_interface, (kernel_ipsec_constructor_t)kernel_klips_ipsec_create); + free(this); +} + +/* + * see header file + */ +plugin_t *plugin_create() +{ + private_kernel_klips_plugin_t *this = malloc_thing(private_kernel_klips_plugin_t); + + this->public.plugin.destroy = (void(*)(plugin_t*))destroy; + + charon->kernel_interface->add_ipsec_interface(charon->kernel_interface, (kernel_ipsec_constructor_t)kernel_klips_ipsec_create); + + return &this->public.plugin; +} diff --git a/src/charon/plugins/kernel_klips/kernel_klips_plugin.h b/src/charon/plugins/kernel_klips/kernel_klips_plugin.h new file mode 100644 index 000000000..67c3b74c6 --- /dev/null +++ b/src/charon/plugins/kernel_klips/kernel_klips_plugin.h @@ -0,0 +1,49 @@ +/* + * Copyright (C) 2008 Tobias Brunner + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * $Id: kernel_klips_plugin.h 4617 2008-11-11 08:45:19Z tobias $ + */ + +/** + * @defgroup kernel_klips kernel_klips + * @ingroup cplugins + * + * @defgroup kernel_klips_plugin kernel_klips_plugin + * @{ @ingroup kernel_klips + */ + +#ifndef KERNEL_KLIPS_PLUGIN_H_ +#define KERNEL_KLIPS_PLUGIN_H_ + +#include <plugins/plugin.h> + +typedef struct kernel_klips_plugin_t kernel_klips_plugin_t; + +/** + * PF_KEY kernel interface plugin + */ +struct kernel_klips_plugin_t { + + /** + * implements plugin interface + */ + plugin_t plugin; +}; + +/** + * Create a kernel_klips_plugin instance. + */ +plugin_t *plugin_create(); + +#endif /* KERNEL_KLIPS_PLUGIN_H_ @} */ diff --git a/src/charon/plugins/kernel_klips/pfkeyv2.h b/src/charon/plugins/kernel_klips/pfkeyv2.h new file mode 100644 index 000000000..78d3dfa91 --- /dev/null +++ b/src/charon/plugins/kernel_klips/pfkeyv2.h @@ -0,0 +1,322 @@ +/* +RFC 2367 PF_KEY Key Management API July 1998 + + +Appendix D: Sample Header File + +This file defines structures and symbols for the PF_KEY Version 2 +key management interface. It was written at the U.S. Naval Research +Laboratory. This file is in the public domain. The authors ask that +you leave this credit intact on any copies of this file. +*/ +#ifndef __PFKEY_V2_H +#define __PFKEY_V2_H 1 + +#define PF_KEY_V2 2 +#define PFKEYV2_REVISION 199806L + +#define SADB_RESERVED 0 +#define SADB_GETSPI 1 +#define SADB_UPDATE 2 +#define SADB_ADD 3 +#define SADB_DELETE 4 +#define SADB_GET 5 +#define SADB_ACQUIRE 6 +#define SADB_REGISTER 7 +#define SADB_EXPIRE 8 +#define SADB_FLUSH 9 +#define SADB_DUMP 10 +#define SADB_X_PROMISC 11 +#define SADB_X_PCHANGE 12 +#define SADB_X_GRPSA 13 +#define SADB_X_ADDFLOW 14 +#define SADB_X_DELFLOW 15 +#define SADB_X_DEBUG 16 +#define SADB_X_NAT_T_NEW_MAPPING 17 +#define SADB_MAX 17 + +struct sadb_msg { + uint8_t sadb_msg_version; + uint8_t sadb_msg_type; + uint8_t sadb_msg_errno; + uint8_t sadb_msg_satype; + uint16_t sadb_msg_len; + uint16_t sadb_msg_reserved; + uint32_t sadb_msg_seq; + uint32_t sadb_msg_pid; +}; + +struct sadb_ext { + uint16_t sadb_ext_len; + uint16_t sadb_ext_type; +}; + +struct sadb_sa { + uint16_t sadb_sa_len; + uint16_t sadb_sa_exttype; + uint32_t sadb_sa_spi; + uint8_t sadb_sa_replay; + uint8_t sadb_sa_state; + uint8_t sadb_sa_auth; + uint8_t sadb_sa_encrypt; + uint32_t sadb_sa_flags; +}; + +struct sadb_lifetime { + uint16_t sadb_lifetime_len; + uint16_t sadb_lifetime_exttype; + uint32_t sadb_lifetime_allocations; + uint64_t sadb_lifetime_bytes; + uint64_t sadb_lifetime_addtime; + uint64_t sadb_lifetime_usetime; + uint32_t sadb_x_lifetime_packets; + uint32_t sadb_x_lifetime_reserved; +}; + +struct sadb_address { + uint16_t sadb_address_len; + uint16_t sadb_address_exttype; + uint8_t sadb_address_proto; + uint8_t sadb_address_prefixlen; + uint16_t sadb_address_reserved; +}; + +struct sadb_key { + uint16_t sadb_key_len; + uint16_t sadb_key_exttype; + uint16_t sadb_key_bits; + uint16_t sadb_key_reserved; +}; + +struct sadb_ident { + uint16_t sadb_ident_len; + uint16_t sadb_ident_exttype; + uint16_t sadb_ident_type; + uint16_t sadb_ident_reserved; + uint64_t sadb_ident_id; +}; + +struct sadb_sens { + uint16_t sadb_sens_len; + uint16_t sadb_sens_exttype; + uint32_t sadb_sens_dpd; + uint8_t sadb_sens_sens_level; + uint8_t sadb_sens_sens_len; + uint8_t sadb_sens_integ_level; + uint8_t sadb_sens_integ_len; + uint32_t sadb_sens_reserved; +}; + +struct sadb_prop { + uint16_t sadb_prop_len; + uint16_t sadb_prop_exttype; + uint8_t sadb_prop_replay; + uint8_t sadb_prop_reserved[3]; +}; + +struct sadb_comb { + uint8_t sadb_comb_auth; + uint8_t sadb_comb_encrypt; + uint16_t sadb_comb_flags; + uint16_t sadb_comb_auth_minbits; + uint16_t sadb_comb_auth_maxbits; + uint16_t sadb_comb_encrypt_minbits; + uint16_t sadb_comb_encrypt_maxbits; + uint32_t sadb_comb_reserved; + uint32_t sadb_comb_soft_allocations; + uint32_t sadb_comb_hard_allocations; + uint64_t sadb_comb_soft_bytes; + uint64_t sadb_comb_hard_bytes; + uint64_t sadb_comb_soft_addtime; + uint64_t sadb_comb_hard_addtime; + uint64_t sadb_comb_soft_usetime; + uint64_t sadb_comb_hard_usetime; + uint32_t sadb_x_comb_soft_packets; + uint32_t sadb_x_comb_hard_packets; +}; + +struct sadb_supported { + uint16_t sadb_supported_len; + uint16_t sadb_supported_exttype; + uint32_t sadb_supported_reserved; +}; + +struct sadb_alg { + uint8_t sadb_alg_id; + uint8_t sadb_alg_ivlen; + uint16_t sadb_alg_minbits; + uint16_t sadb_alg_maxbits; + uint16_t sadb_alg_reserved; +}; + +struct sadb_spirange { + uint16_t sadb_spirange_len; + uint16_t sadb_spirange_exttype; + uint32_t sadb_spirange_min; + uint32_t sadb_spirange_max; + uint32_t sadb_spirange_reserved; +}; + +struct sadb_x_kmprivate { + uint16_t sadb_x_kmprivate_len; + uint16_t sadb_x_kmprivate_exttype; + uint32_t sadb_x_kmprivate_reserved; +}; + +struct sadb_x_satype { + uint16_t sadb_x_satype_len; + uint16_t sadb_x_satype_exttype; + uint8_t sadb_x_satype_satype; + uint8_t sadb_x_satype_reserved[3]; +}; + +struct sadb_x_debug { + uint16_t sadb_x_debug_len; + uint16_t sadb_x_debug_exttype; + uint32_t sadb_x_debug_tunnel; + uint32_t sadb_x_debug_netlink; + uint32_t sadb_x_debug_xform; + uint32_t sadb_x_debug_eroute; + uint32_t sadb_x_debug_spi; + uint32_t sadb_x_debug_radij; + uint32_t sadb_x_debug_esp; + uint32_t sadb_x_debug_ah; + uint32_t sadb_x_debug_rcv; + uint32_t sadb_x_debug_pfkey; + uint32_t sadb_x_debug_ipcomp; + uint32_t sadb_x_debug_verbose; + uint8_t sadb_x_debug_reserved[4]; +}; + +struct sadb_x_nat_t_type { + uint16_t sadb_x_nat_t_type_len; + uint16_t sadb_x_nat_t_type_exttype; + uint8_t sadb_x_nat_t_type_type; + uint8_t sadb_x_nat_t_type_reserved[3]; +}; +struct sadb_x_nat_t_port { + uint16_t sadb_x_nat_t_port_len; + uint16_t sadb_x_nat_t_port_exttype; + uint16_t sadb_x_nat_t_port_port; + uint16_t sadb_x_nat_t_port_reserved; +}; + +/* + * A protocol structure for passing through the transport level + * protocol. It contains more fields than are actually used/needed + * but it is this way to be compatible with the structure used in + * OpenBSD (http://www.openbsd.org/cgi-bin/cvsweb/src/sys/net/pfkeyv2.h) + */ +struct sadb_protocol { + uint16_t sadb_protocol_len; + uint16_t sadb_protocol_exttype; + uint8_t sadb_protocol_proto; + uint8_t sadb_protocol_direction; + uint8_t sadb_protocol_flags; + uint8_t sadb_protocol_reserved2; +}; + +#define SADB_EXT_RESERVED 0 +#define SADB_EXT_SA 1 +#define SADB_EXT_LIFETIME_CURRENT 2 +#define SADB_EXT_LIFETIME_HARD 3 +#define SADB_EXT_LIFETIME_SOFT 4 +#define SADB_EXT_ADDRESS_SRC 5 +#define SADB_EXT_ADDRESS_DST 6 +#define SADB_EXT_ADDRESS_PROXY 7 +#define SADB_EXT_KEY_AUTH 8 +#define SADB_EXT_KEY_ENCRYPT 9 +#define SADB_EXT_IDENTITY_SRC 10 +#define SADB_EXT_IDENTITY_DST 11 +#define SADB_EXT_SENSITIVITY 12 +#define SADB_EXT_PROPOSAL 13 +#define SADB_EXT_SUPPORTED_AUTH 14 +#define SADB_EXT_SUPPORTED_ENCRYPT 15 +#define SADB_EXT_SPIRANGE 16 +#define SADB_X_EXT_KMPRIVATE 17 +#define SADB_X_EXT_SATYPE2 18 +#define SADB_X_EXT_SA2 19 +#define SADB_X_EXT_ADDRESS_DST2 20 +#define SADB_X_EXT_ADDRESS_SRC_FLOW 21 +#define SADB_X_EXT_ADDRESS_DST_FLOW 22 +#define SADB_X_EXT_ADDRESS_SRC_MASK 23 +#define SADB_X_EXT_ADDRESS_DST_MASK 24 +#define SADB_X_EXT_DEBUG 25 +#define SADB_X_EXT_PROTOCOL 26 +#define SADB_X_EXT_NAT_T_TYPE 27 +#define SADB_X_EXT_NAT_T_SPORT 28 +#define SADB_X_EXT_NAT_T_DPORT 29 +#define SADB_X_EXT_NAT_T_OA 30 +#define SADB_EXT_MAX 30 + +/* SADB_X_DELFLOW required over and above SADB_X_SAFLAGS_CLEARFLOW */ +#define SADB_X_EXT_ADDRESS_DELFLOW \ + ( (1<<SADB_X_EXT_ADDRESS_SRC_FLOW) \ + | (1<<SADB_X_EXT_ADDRESS_DST_FLOW) \ + | (1<<SADB_X_EXT_ADDRESS_SRC_MASK) \ + | (1<<SADB_X_EXT_ADDRESS_DST_MASK)) + +#define SADB_SATYPE_UNSPEC 0 +#define SADB_SATYPE_AH 2 +#define SADB_SATYPE_ESP 3 +#define SADB_SATYPE_RSVP 5 +#define SADB_SATYPE_OSPFV2 6 +#define SADB_SATYPE_RIPV2 7 +#define SADB_SATYPE_MIP 8 +#define SADB_X_SATYPE_IPIP 9 +#define SADB_X_SATYPE_COMP 10 +#define SADB_X_SATYPE_INT 11 +#define SADB_SATYPE_MAX 11 + +#define SADB_SASTATE_LARVAL 0 +#define SADB_SASTATE_MATURE 1 +#define SADB_SASTATE_DYING 2 +#define SADB_SASTATE_DEAD 3 +#define SADB_SASTATE_MAX 3 + +#define SADB_SAFLAGS_PFS 1 +#define SADB_X_SAFLAGS_REPLACEFLOW 2 +#define SADB_X_SAFLAGS_CLEARFLOW 4 +#define SADB_X_SAFLAGS_INFLOW 8 + +#define SADB_AALG_NONE 0 +#define SADB_AALG_MD5HMAC 2 +#define SADB_AALG_SHA1HMAC 3 +#define SADB_AALG_SHA256_HMAC 5 +#define SADB_AALG_SHA384_HMAC 6 +#define SADB_AALG_SHA512_HMAC 7 +#define SADB_AALG_RIPEMD160HMAC 8 +#define SADB_AALG_MAX 15 + +#define SADB_EALG_NONE 0 +#define SADB_EALG_DESCBC 2 +#define SADB_EALG_3DESCBC 3 +#define SADB_EALG_BFCBC 7 +#define SADB_EALG_NULL 11 +#define SADB_EALG_AESCBC 12 +#define SADB_EALG_MAX 255 + +#define SADB_X_CALG_NONE 0 +#define SADB_X_CALG_OUI 1 +#define SADB_X_CALG_DEFLATE 2 +#define SADB_X_CALG_LZS 3 +#define SADB_X_CALG_V42BIS 4 +#define SADB_X_CALG_MAX 4 + +#define SADB_X_TALG_NONE 0 +#define SADB_X_TALG_IPv4_in_IPv4 1 +#define SADB_X_TALG_IPv6_in_IPv4 2 +#define SADB_X_TALG_IPv4_in_IPv6 3 +#define SADB_X_TALG_IPv6_in_IPv6 4 +#define SADB_X_TALG_MAX 4 + + +#define SADB_IDENTTYPE_RESERVED 0 +#define SADB_IDENTTYPE_PREFIX 1 +#define SADB_IDENTTYPE_FQDN 2 +#define SADB_IDENTTYPE_USERFQDN 3 +#define SADB_X_IDENTTYPE_CONNECTION 4 +#define SADB_IDENTTYPE_MAX 4 + +#define SADB_KEY_FLAGS_MAX 0 +#endif /* __PFKEY_V2_H */ diff --git a/src/charon/plugins/kernel_netlink/kernel_netlink_ipsec.c b/src/charon/plugins/kernel_netlink/kernel_netlink_ipsec.c index 7b78f9eb1..70a0b3e7c 100644 --- a/src/charon/plugins/kernel_netlink/kernel_netlink_ipsec.c +++ b/src/charon/plugins/kernel_netlink/kernel_netlink_ipsec.c @@ -1,6 +1,7 @@ /* * Copyright (C) 2006-2008 Tobias Brunner - * Copyright (C) 2005-2007 Martin Willi + * Copyright (C) 2005-2008 Martin Willi + * Copyright (C) 2008 Andreas Steffen * Copyright (C) 2006-2007 Fabian Hartmann, Noah Heusser * Copyright (C) 2006 Daniel Roethlisberger * Copyright (C) 2005 Jan Hutter @@ -16,17 +17,18 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: kernel_netlink_ipsec.c 4406 2008-10-10 08:36:01Z martin $ + * $Id: kernel_netlink_ipsec.c 4662 2008-11-16 21:19:58Z andreas $ */ #include <sys/types.h> #include <sys/socket.h> #include <sys/time.h> +#include <stdint.h> +#include <linux/ipsec.h> #include <linux/netlink.h> #include <linux/rtnetlink.h> #include <linux/xfrm.h> #include <linux/udp.h> -#include <netinet/in.h> #include <pthread.h> #include <unistd.h> #include <errno.h> @@ -36,9 +38,11 @@ #include "kernel_netlink_shared.h" #include <daemon.h> +#include <utils/mutex.h> #include <utils/linked_list.h> #include <processing/jobs/callback_job.h> #include <processing/jobs/acquire_job.h> +#include <processing/jobs/migrate_job.h> #include <processing/jobs/rekey_child_sa_job.h> #include <processing/jobs/delete_child_sa_job.h> #include <processing/jobs/update_sa_job.h> @@ -48,6 +52,11 @@ #define XFRM_STATE_AF_UNSPEC 32 #endif +/** from linux/in.h */ +#ifndef IP_IPSEC_POLICY +#define IP_IPSEC_POLICY 16 +#endif + /** default priority of installed policies */ #define PRIO_LOW 3000 #define PRIO_HIGH 2000 @@ -76,30 +85,41 @@ typedef struct kernel_algorithm_t kernel_algorithm_t; /** - * Mapping from the algorithms defined in IKEv2 to - * kernel level algorithm names and their key length + * Mapping of IKEv2 kernel identifier to linux crypto API names */ struct kernel_algorithm_t { /** * Identifier specified in IKEv2 */ - int ikev2_id; + int ikev2; /** - * Name of the algorithm, as used as kernel identifier + * Name of the algorithm in linux crypto API */ char *name; - - /** - * Key length in bits, if fixed size - */ - u_int key_size; }; -ENUM(policy_dir_names, POLICY_IN, POLICY_FWD, - "in", - "out", - "fwd" +ENUM(xfrm_attr_type_names, XFRMA_UNSPEC, XFRMA_KMADDRESS, + "XFRMA_UNSPEC", + "XFRMA_ALG_AUTH", + "XFRMA_ALG_CRYPT", + "XFRMA_ALG_COMP", + "XFRMA_ENCAP", + "XFRMA_TMPL", + "XFRMA_SA", + "XFRMA_POLICY", + "XFRMA_SEC_CTX", + "XFRMA_LTIME_VAL", + "XFRMA_REPLAY_VAL", + "XFRMA_REPLAY_THRESH", + "XFRMA_ETIMER_THRESH", + "XFRMA_SRCADDR", + "XFRMA_COADDR", + "XFRMA_LASTUSED", + "XFRMA_POLICY_TYPE", + "XFRMA_MIGRATE", + "XFRMA_ALG_AEAD", + "XFRMA_KMADDRESS" ); #define END_OF_LIST -1 @@ -108,71 +128,65 @@ ENUM(policy_dir_names, POLICY_IN, POLICY_FWD, * Algorithms for encryption */ static kernel_algorithm_t encryption_algs[] = { -/* {ENCR_DES_IV64, "***", 0}, */ - {ENCR_DES, "des", 64}, - {ENCR_3DES, "des3_ede", 192}, -/* {ENCR_RC5, "***", 0}, */ -/* {ENCR_IDEA, "***", 0}, */ - {ENCR_CAST, "cast128", 0}, - {ENCR_BLOWFISH, "blowfish", 0}, -/* {ENCR_3IDEA, "***", 0}, */ -/* {ENCR_DES_IV32, "***", 0}, */ - {ENCR_NULL, "cipher_null", 0}, - {ENCR_AES_CBC, "aes", 0}, -/* {ENCR_AES_CTR, "***", 0}, */ - {ENCR_AES_CCM_ICV8, "rfc4309(ccm(aes))", 64}, /* key_size = ICV size */ - {ENCR_AES_CCM_ICV12, "rfc4309(ccm(aes))", 96}, /* key_size = ICV size */ - {ENCR_AES_CCM_ICV16, "rfc4309(ccm(aes))", 128}, /* key_size = ICV size */ - {ENCR_AES_GCM_ICV8, "rfc4106(gcm(aes))", 64}, /* key_size = ICV size */ - {ENCR_AES_GCM_ICV12, "rfc4106(gcm(aes))", 96}, /* key_size = ICV size */ - {ENCR_AES_GCM_ICV16, "rfc4106(gcm(aes))", 128}, /* key_size = ICV size */ - {END_OF_LIST, NULL, 0}, +/* {ENCR_DES_IV64, "***" }, */ + {ENCR_DES, "des" }, + {ENCR_3DES, "des3_ede" }, +/* {ENCR_RC5, "***" }, */ +/* {ENCR_IDEA, "***" }, */ + {ENCR_CAST, "cast128" }, + {ENCR_BLOWFISH, "blowfish" }, +/* {ENCR_3IDEA, "***" }, */ +/* {ENCR_DES_IV32, "***" }, */ + {ENCR_NULL, "cipher_null" }, + {ENCR_AES_CBC, "aes" }, +/* {ENCR_AES_CTR, "***" }, */ + {ENCR_AES_CCM_ICV8, "rfc4309(ccm(aes))" }, + {ENCR_AES_CCM_ICV12, "rfc4309(ccm(aes))" }, + {ENCR_AES_CCM_ICV16, "rfc4309(ccm(aes))" }, + {ENCR_AES_GCM_ICV8, "rfc4106(gcm(aes))" }, + {ENCR_AES_GCM_ICV12, "rfc4106(gcm(aes))" }, + {ENCR_AES_GCM_ICV16, "rfc4106(gcm(aes))" }, + {END_OF_LIST, NULL }, }; /** * Algorithms for integrity protection */ static kernel_algorithm_t integrity_algs[] = { - {AUTH_HMAC_MD5_96, "md5", 128}, - {AUTH_HMAC_SHA1_96, "sha1", 160}, - {AUTH_HMAC_SHA2_256_128, "sha256", 256}, - {AUTH_HMAC_SHA2_384_192, "sha384", 384}, - {AUTH_HMAC_SHA2_512_256, "sha512", 512}, -/* {AUTH_DES_MAC, "***", 0}, */ -/* {AUTH_KPDK_MD5, "***", 0}, */ - {AUTH_AES_XCBC_96, "xcbc(aes)", 128}, - {END_OF_LIST, NULL, 0}, + {AUTH_HMAC_MD5_96, "md5" }, + {AUTH_HMAC_SHA1_96, "sha1" }, + {AUTH_HMAC_SHA2_256_128, "sha256" }, + {AUTH_HMAC_SHA2_384_192, "sha384" }, + {AUTH_HMAC_SHA2_512_256, "sha512" }, +/* {AUTH_DES_MAC, "***" }, */ +/* {AUTH_KPDK_MD5, "***" }, */ + {AUTH_AES_XCBC_96, "xcbc(aes)" }, + {END_OF_LIST, NULL }, }; /** * Algorithms for IPComp */ static kernel_algorithm_t compression_algs[] = { -/* {IPCOMP_OUI, "***", 0}, */ - {IPCOMP_DEFLATE, "deflate", 0}, - {IPCOMP_LZS, "lzs", 0}, - {IPCOMP_LZJH, "lzjh", 0}, - {END_OF_LIST, NULL, 0}, +/* {IPCOMP_OUI, "***" }, */ + {IPCOMP_DEFLATE, "deflate" }, + {IPCOMP_LZS, "lzs" }, + {IPCOMP_LZJH, "lzjh" }, + {END_OF_LIST, NULL }, }; /** * Look up a kernel algorithm name and its key size */ -static char* lookup_algorithm(kernel_algorithm_t *kernel_algo, - u_int16_t ikev2_algo, u_int16_t *key_size) +static char* lookup_algorithm(kernel_algorithm_t *list, int ikev2) { - while (kernel_algo->ikev2_id != END_OF_LIST) + while (list->ikev2 != END_OF_LIST) { - if (ikev2_algo == kernel_algo->ikev2_id) + if (list->ikev2 == ikev2) { - /* match, evaluate key length */ - if (key_size && *key_size == 0) - { /* update key size if not set */ - *key_size = kernel_algo->key_size; - } - return kernel_algo->name; + return list->name; } - kernel_algo++; + list++; } return NULL; } @@ -221,9 +235,6 @@ struct policy_entry_t { /** direction of this policy: in, out, forward */ u_int8_t direction; - /** reqid of the policy */ - u_int32_t reqid; - /** parameters of installed policy */ struct xfrm_selector sel; @@ -248,7 +259,7 @@ struct private_kernel_netlink_ipsec_t { /** * mutex to lock access to various lists */ - pthread_mutex_t mutex; + mutex_t *mutex; /** * List of installed policies (policy_entry_t) @@ -344,41 +355,13 @@ static host_t* xfrm2host(int family, xfrm_address_t *xfrm, u_int16_t port) static void ts2subnet(traffic_selector_t* ts, xfrm_address_t *net, u_int8_t *mask) { - /* there is no way to do this cleanly, as the address range may - * be anything else but a subnet. We use from_addr as subnet - * and try to calculate a usable subnet mask. - */ - int byte, bit; - bool found = FALSE; - chunk_t from, to; - size_t size = (ts->get_type(ts) == TS_IPV4_ADDR_RANGE) ? 4 : 16; - - from = ts->get_from_address(ts); - to = ts->get_to_address(ts); + host_t *net_host; + chunk_t net_chunk; - *mask = (size * 8); - /* go trough all bits of the addresses, beginning in the front. - * as long as they are equal, the subnet gets larger - */ - for (byte = 0; byte < size; byte++) - { - for (bit = 7; bit >= 0; bit--) - { - if ((1<<bit & from.ptr[byte]) != (1<<bit & to.ptr[byte])) - { - *mask = ((7 - bit) + (byte * 8)); - found = TRUE; - break; - } - } - if (found) - { - break; - } - } - memcpy(net, from.ptr, from.len); - chunk_free(&from); - chunk_free(&to); + ts->to_subnet(ts, &net_host, mask); + net_chunk = net_host->get_address(net_host); + memcpy(net, net_chunk.ptr, net_chunk.len); + net_host->destroy(net_host); } /** @@ -430,6 +413,57 @@ static struct xfrm_selector ts2selector(traffic_selector_t *src, return sel; } +/** + * convert a xfrm_selector to a src|dst traffic_selector + */ +static traffic_selector_t* selector2ts(struct xfrm_selector *sel, bool src) +{ + int family; + chunk_t addr; + u_int8_t prefixlen; + u_int16_t port, port_mask; + host_t *host; + traffic_selector_t *ts; + + if (src) + { + addr.ptr = (u_char*)&sel->saddr; + prefixlen = sel->prefixlen_s; + port = sel->sport; + port_mask = sel->sport_mask; + } + else + { + addr.ptr = (u_char*)&sel->daddr; + prefixlen = sel->prefixlen_d; + port = sel->dport; + port_mask = sel->dport_mask; + } + + /* The Linux 2.6 kernel does not set the selector's family field, + * so as a kludge we additionally test the prefix length. + */ + if (sel->family == AF_INET || sel->prefixlen_s == 32) + { + family = AF_INET; + addr.len = 4; + } + else if (sel->family == AF_INET6 || sel->prefixlen_s == 128) + { + family = AF_INET6; + addr.len = 16; + } + else + { + return NULL; + } + host = host_create_from_chunk(family, addr, 0); + port = (port_mask == 0) ? 0 : ntohs(port); + + ts = traffic_selector_create_from_subnet(host, prefixlen, sel->proto, port); + host->destroy(host); + return ts; +} /** * process a XFRM_MSG_ACQUIRE from kernel @@ -438,18 +472,31 @@ static void process_acquire(private_kernel_netlink_ipsec_t *this, struct nlmsghd { u_int32_t reqid = 0; int proto = 0; + traffic_selector_t *src_ts, *dst_ts; + struct xfrm_user_acquire *acquire; + struct rtattr *rta; + size_t rtasize; job_t *job; - struct rtattr *rtattr = XFRM_RTA(hdr, struct xfrm_user_acquire); - size_t rtsize = XFRM_PAYLOAD(hdr, struct xfrm_user_tmpl); - if (RTA_OK(rtattr, rtsize)) + acquire = (struct xfrm_user_acquire*)NLMSG_DATA(hdr); + rta = XFRM_RTA(hdr, struct xfrm_user_acquire); + rtasize = XFRM_PAYLOAD(hdr, struct xfrm_user_acquire); + + DBG2(DBG_KNL, "received a XFRM_MSG_ACQUIRE"); + + while (RTA_OK(rta, rtasize)) { - if (rtattr->rta_type == XFRMA_TMPL) + DBG2(DBG_KNL, " %N", xfrm_attr_type_names, rta->rta_type); + + if (rta->rta_type == XFRMA_TMPL) { - struct xfrm_user_tmpl* tmpl = (struct xfrm_user_tmpl*)RTA_DATA(rtattr); + struct xfrm_user_tmpl* tmpl; + + tmpl = (struct xfrm_user_tmpl*)RTA_DATA(rta); reqid = tmpl->reqid; proto = tmpl->id.proto; } + rta = RTA_NEXT(rta, rtasize); } switch (proto) { @@ -461,14 +508,11 @@ static void process_acquire(private_kernel_netlink_ipsec_t *this, struct nlmsghd /* acquire for AH/ESP only, not for IPCOMP */ return; } - if (reqid == 0) - { - DBG1(DBG_KNL, "received a XFRM_MSG_ACQUIRE, but no reqid found"); - return; - } - DBG2(DBG_KNL, "received a XFRM_MSG_ACQUIRE"); - DBG1(DBG_KNL, "creating acquire job for CHILD_SA with reqid {%d}", reqid); - job = (job_t*)acquire_job_create(reqid); + src_ts = selector2ts(&acquire->sel, TRUE); + dst_ts = selector2ts(&acquire->sel, FALSE); + DBG1(DBG_KNL, "creating acquire job for policy %R === %R with reqid {%u}", + src_ts, dst_ts, reqid); + job = (job_t*)acquire_job_create(reqid, src_ts, dst_ts); charon->processor->queue_job(charon->processor, job); } @@ -491,7 +535,7 @@ static void process_expire(private_kernel_netlink_ipsec_t *this, struct nlmsghdr if (protocol != PROTO_ESP && protocol != PROTO_AH) { - DBG2(DBG_KNL, "ignoring XFRM_MSG_EXPIRE for SA with SPI %.8x and reqid {%d} " + DBG2(DBG_KNL, "ignoring XFRM_MSG_EXPIRE for SA with SPI %.8x and reqid {%u} " "which is not a CHILD_SA", ntohl(spi), reqid); return; } @@ -511,6 +555,86 @@ static void process_expire(private_kernel_netlink_ipsec_t *this, struct nlmsghdr } /** + * process a XFRM_MSG_MIGRATE from kernel + */ +static void process_migrate(private_kernel_netlink_ipsec_t *this, struct nlmsghdr *hdr) +{ + traffic_selector_t *src_ts, *dst_ts; + host_t *local = NULL, *remote = NULL; + host_t *old_src = NULL, *old_dst = NULL; + host_t *new_src = NULL, *new_dst = NULL; + struct xfrm_userpolicy_id *policy_id; + struct rtattr *rta; + size_t rtasize; + u_int32_t reqid = 0; + policy_dir_t dir; + job_t *job; + + policy_id = (struct xfrm_userpolicy_id*)NLMSG_DATA(hdr); + rta = XFRM_RTA(hdr, struct xfrm_userpolicy_id); + rtasize = XFRM_PAYLOAD(hdr, struct xfrm_userpolicy_id); + + DBG2(DBG_KNL, "received a XFRM_MSG_MIGRATE"); + + src_ts = selector2ts(&policy_id->sel, TRUE); + dst_ts = selector2ts(&policy_id->sel, FALSE); + dir = (policy_dir_t)policy_id->dir; + + DBG2(DBG_KNL, " policy: %R === %R %N", src_ts, dst_ts, policy_dir_names); + + while (RTA_OK(rta, rtasize)) + { + DBG2(DBG_KNL, " %N", xfrm_attr_type_names, rta->rta_type); + if (rta->rta_type == XFRMA_KMADDRESS) + { + struct xfrm_user_kmaddress *kmaddress; + + kmaddress = (struct xfrm_user_kmaddress*)RTA_DATA(rta); + local = xfrm2host(kmaddress->family, &kmaddress->local, 0); + remote = xfrm2host(kmaddress->family, &kmaddress->remote, 0); + DBG2(DBG_KNL, " kmaddress: %H...%H", local, remote); + } + else if (rta->rta_type == XFRMA_MIGRATE) + { + struct xfrm_user_migrate *migrate; + protocol_id_t proto; + + migrate = (struct xfrm_user_migrate*)RTA_DATA(rta); + old_src = xfrm2host(migrate->old_family, &migrate->old_saddr, 0); + old_dst = xfrm2host(migrate->old_family, &migrate->old_daddr, 0); + new_src = xfrm2host(migrate->new_family, &migrate->new_saddr, 0); + new_dst = xfrm2host(migrate->new_family, &migrate->new_daddr, 0); + proto = proto_kernel2ike(migrate->proto); + reqid = migrate->reqid; + DBG2(DBG_KNL, " migrate %N %H...%H to %H...%H, reqid {%u}", + protocol_id_names, proto, old_src, old_dst, + new_src, new_dst, reqid); + DESTROY_IF(old_src); + DESTROY_IF(old_dst); + DESTROY_IF(new_src); + DESTROY_IF(new_dst); + } + rta = RTA_NEXT(rta, rtasize); + } + + if (src_ts && dst_ts && local && remote) + { + DBG1(DBG_KNL, "creating migrate job for policy %R === %R %N with reqid {%u}", + src_ts, dst_ts, policy_dir_names, dir, reqid, local); + job = (job_t*)migrate_job_create(reqid, src_ts, dst_ts, dir, + local, remote); + charon->processor->queue_job(charon->processor, job); + } + else + { + DESTROY_IF(src_ts); + DESTROY_IF(dst_ts); + DESTROY_IF(local); + DESTROY_IF(remote); + } +} + +/** * process a XFRM_MSG_MAPPING from kernel */ static void process_mapping(private_kernel_netlink_ipsec_t *this, @@ -534,7 +658,7 @@ static void process_mapping(private_kernel_netlink_ipsec_t *this, if (host) { DBG1(DBG_KNL, "NAT mappings of ESP CHILD_SA with SPI %.8x and " - "reqid {%d} changed, queueing update job", ntohl(spi), reqid); + "reqid {%u} changed, queuing update job", ntohl(spi), reqid); job = (job_t*)update_sa_job_create(reqid, host); charon->processor->queue_job(charon->processor, job); } @@ -589,6 +713,9 @@ static job_requeue_t receive_events(private_kernel_netlink_ipsec_t *this) case XFRM_MSG_EXPIRE: process_expire(this, hdr); break; + case XFRM_MSG_MIGRATE: + process_migrate(this, hdr); + break; case XFRM_MSG_MAPPING: process_mapping(this, hdr); break; @@ -601,71 +728,13 @@ static job_requeue_t receive_events(private_kernel_netlink_ipsec_t *this) } /** - * Tries to find an ip address of a local interface that is included in the - * supplied traffic selector. - */ -static status_t get_address_by_ts(private_kernel_netlink_ipsec_t *this, - traffic_selector_t *ts, host_t **ip) -{ - enumerator_t *addrs; - host_t *host; - int family; - bool found = FALSE; - - DBG2(DBG_KNL, "getting a local address in traffic selector %R", ts); - - /* if we have a family which includes localhost, we do not - * search for an IP, we use the default */ - family = ts->get_type(ts) == TS_IPV4_ADDR_RANGE ? AF_INET : AF_INET6; - - if (family == AF_INET) - { - host = host_create_from_string("127.0.0.1", 0); - } - else - { - host = host_create_from_string("::1", 0); - } - - if (ts->includes(ts, host)) - { - *ip = host_create_any(family); - host->destroy(host); - DBG2(DBG_KNL, "using host %H", *ip); - return SUCCESS; - } - host->destroy(host); - - addrs = charon->kernel_interface->create_address_enumerator( - charon->kernel_interface, TRUE, TRUE); - while (addrs->enumerate(addrs, (void**)&host)) - { - if (ts->includes(ts, host)) - { - found = TRUE; - *ip = host->clone(host); - break; - } - } - addrs->destroy(addrs); - - if (!found) - { - DBG1(DBG_KNL, "no local address found in traffic selector %R", ts); - return FAILED; - } - DBG2(DBG_KNL, "using host %H", *ip); - return SUCCESS; -} - -/** * Get an SPI for a specific protocol from the kernel. */ static status_t get_spi_internal(private_kernel_netlink_ipsec_t *this, host_t *src, host_t *dst, u_int8_t proto, u_int32_t min, u_int32_t max, u_int32_t reqid, u_int32_t *spi) { - unsigned char request[NETLINK_BUFFER_SIZE]; + netlink_buf_t request; struct nlmsghdr *hdr, *out; struct xfrm_userspi_info *userspi; u_int32_t received_spi = 0; @@ -737,16 +806,16 @@ static status_t get_spi(private_kernel_netlink_ipsec_t *this, protocol_id_t protocol, u_int32_t reqid, u_int32_t *spi) { - DBG2(DBG_KNL, "getting SPI for reqid {%d}", reqid); + DBG2(DBG_KNL, "getting SPI for reqid {%u}", reqid); if (get_spi_internal(this, src, dst, proto_ike2kernel(protocol), 0xc0000000, 0xcFFFFFFF, reqid, spi) != SUCCESS) { - DBG1(DBG_KNL, "unable to get SPI for reqid {%d}", reqid); + DBG1(DBG_KNL, "unable to get SPI for reqid {%u}", reqid); return FAILED; } - DBG2(DBG_KNL, "got SPI %.8x for reqid {%d}", ntohl(*spi), reqid); + DBG2(DBG_KNL, "got SPI %.8x for reqid {%u}", ntohl(*spi), reqid); return SUCCESS; } @@ -760,18 +829,18 @@ static status_t get_cpi(private_kernel_netlink_ipsec_t *this, { u_int32_t received_spi = 0; - DBG2(DBG_KNL, "getting CPI for reqid {%d}", reqid); + DBG2(DBG_KNL, "getting CPI for reqid {%u}", reqid); if (get_spi_internal(this, src, dst, IPPROTO_COMP, 0x100, 0xEFFF, reqid, &received_spi) != SUCCESS) { - DBG1(DBG_KNL, "unable to get CPI for reqid {%d}", reqid); + DBG1(DBG_KNL, "unable to get CPI for reqid {%u}", reqid); return FAILED; } *cpi = htons((u_int16_t)ntohl(received_spi)); - DBG2(DBG_KNL, "got CPI %.4x for reqid {%d}", ntohs(*cpi), reqid); + DBG2(DBG_KNL, "got CPI %.4x for reqid {%u}", ntohs(*cpi), reqid); return SUCCESS; } @@ -783,26 +852,35 @@ static status_t add_sa(private_kernel_netlink_ipsec_t *this, host_t *src, host_t *dst, u_int32_t spi, protocol_id_t protocol, u_int32_t reqid, u_int64_t expire_soft, u_int64_t expire_hard, - u_int16_t enc_alg, u_int16_t enc_size, - u_int16_t int_alg, u_int16_t int_size, - prf_plus_t *prf_plus, ipsec_mode_t mode, - u_int16_t ipcomp, bool encap, - bool replace) + u_int16_t enc_alg, chunk_t enc_key, + u_int16_t int_alg, chunk_t int_key, + ipsec_mode_t mode, u_int16_t ipcomp, u_int16_t cpi, + bool encap, bool inbound) { - unsigned char request[NETLINK_BUFFER_SIZE]; + netlink_buf_t request; char *alg_name; - /* additional 4 octets KEYMAT required for AES-GCM as of RFC4106 8.1. */ - u_int16_t add_keymat = 32; struct nlmsghdr *hdr; struct xfrm_usersa_info *sa; + u_int16_t icv_size = 64; + + /* if IPComp is used, we install an additional IPComp SA. if the cpi is 0 + * we are in the recursive call below */ + if (ipcomp != IPCOMP_NONE && cpi != 0) + { + add_sa(this, src, dst, htonl(ntohs(cpi)), IPPROTO_COMP, reqid, 0, 0, + ENCR_UNDEFINED, chunk_empty, AUTH_UNDEFINED, chunk_empty, + mode, ipcomp, 0, FALSE, inbound); + ipcomp = IPCOMP_NONE; + } memset(&request, 0, sizeof(request)); - DBG2(DBG_KNL, "adding SAD entry with SPI %.8x and reqid {%d}", ntohl(spi), reqid); - + DBG2(DBG_KNL, "adding SAD entry with SPI %.8x and reqid {%u}", + ntohl(spi), reqid); + hdr = (struct nlmsghdr*)request; hdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK; - hdr->nlmsg_type = replace ? XFRM_MSG_UPDSA : XFRM_MSG_NEWSA; + hdr->nlmsg_type = inbound ? XFRM_MSG_UPDSA : XFRM_MSG_NEWSA; hdr->nlmsg_len = NLMSG_LENGTH(sizeof(struct xfrm_usersa_info)); sa = (struct xfrm_usersa_info*)NLMSG_DATA(hdr); @@ -836,19 +914,19 @@ static status_t add_sa(private_kernel_netlink_ipsec_t *this, case ENCR_UNDEFINED: /* no encryption */ break; - case ENCR_AES_CCM_ICV8: - case ENCR_AES_CCM_ICV12: case ENCR_AES_CCM_ICV16: - /* AES-CCM needs only 3 additional octets KEYMAT as of RFC 4309 7.1. */ - add_keymat = 24; - /* fall-through */ - case ENCR_AES_GCM_ICV8: - case ENCR_AES_GCM_ICV12: case ENCR_AES_GCM_ICV16: + icv_size += 32; + /* FALL */ + case ENCR_AES_CCM_ICV12: + case ENCR_AES_GCM_ICV12: + icv_size += 32; + /* FALL */ + case ENCR_AES_CCM_ICV8: + case ENCR_AES_GCM_ICV8: { - u_int16_t icv_size = 0; rthdr->rta_type = XFRMA_ALG_AEAD; - alg_name = lookup_algorithm(encryption_algs, enc_alg, &icv_size); + alg_name = lookup_algorithm(encryption_algs, enc_alg); if (alg_name == NULL) { DBG1(DBG_KNL, "algorithm %N not supported by kernel!", @@ -856,12 +934,9 @@ static status_t add_sa(private_kernel_netlink_ipsec_t *this, return FAILED; } DBG2(DBG_KNL, " using encryption algorithm %N with key size %d", - encryption_algorithm_names, enc_alg, enc_size); + encryption_algorithm_names, enc_alg, enc_key.len * 8); - /* additional KEYMAT required */ - enc_size += add_keymat; - - rthdr->rta_len = RTA_LENGTH(sizeof(struct xfrm_algo_aead) + enc_size / 8); + rthdr->rta_len = RTA_LENGTH(sizeof(struct xfrm_algo_aead) + enc_key.len); hdr->nlmsg_len += rthdr->rta_len; if (hdr->nlmsg_len > sizeof(request)) { @@ -869,10 +944,10 @@ static status_t add_sa(private_kernel_netlink_ipsec_t *this, } struct xfrm_algo_aead* algo = (struct xfrm_algo_aead*)RTA_DATA(rthdr); - algo->alg_key_len = enc_size; + algo->alg_key_len = enc_key.len * 8; algo->alg_icv_len = icv_size; strcpy(algo->alg_name, alg_name); - prf_plus->get_bytes(prf_plus, enc_size / 8, algo->alg_key); + memcpy(algo->alg_key, enc_key.ptr, enc_key.len); rthdr = XFRM_RTA_NEXT(rthdr); break; @@ -880,7 +955,7 @@ static status_t add_sa(private_kernel_netlink_ipsec_t *this, default: { rthdr->rta_type = XFRMA_ALG_CRYPT; - alg_name = lookup_algorithm(encryption_algs, enc_alg, &enc_size); + alg_name = lookup_algorithm(encryption_algs, enc_alg); if (alg_name == NULL) { DBG1(DBG_KNL, "algorithm %N not supported by kernel!", @@ -888,9 +963,9 @@ static status_t add_sa(private_kernel_netlink_ipsec_t *this, return FAILED; } DBG2(DBG_KNL, " using encryption algorithm %N with key size %d", - encryption_algorithm_names, enc_alg, enc_size); + encryption_algorithm_names, enc_alg, enc_key.len * 8); - rthdr->rta_len = RTA_LENGTH(sizeof(struct xfrm_algo) + enc_size / 8); + rthdr->rta_len = RTA_LENGTH(sizeof(struct xfrm_algo) + enc_key.len); hdr->nlmsg_len += rthdr->rta_len; if (hdr->nlmsg_len > sizeof(request)) { @@ -898,9 +973,9 @@ static status_t add_sa(private_kernel_netlink_ipsec_t *this, } struct xfrm_algo* algo = (struct xfrm_algo*)RTA_DATA(rthdr); - algo->alg_key_len = enc_size; + algo->alg_key_len = enc_key.len * 8; strcpy(algo->alg_name, alg_name); - prf_plus->get_bytes(prf_plus, enc_size / 8, algo->alg_key); + memcpy(algo->alg_key, enc_key.ptr, enc_key.len); rthdr = XFRM_RTA_NEXT(rthdr); break; @@ -910,7 +985,7 @@ static status_t add_sa(private_kernel_netlink_ipsec_t *this, if (int_alg != AUTH_UNDEFINED) { rthdr->rta_type = XFRMA_ALG_AUTH; - alg_name = lookup_algorithm(integrity_algs, int_alg, &int_size); + alg_name = lookup_algorithm(integrity_algs, int_alg); if (alg_name == NULL) { DBG1(DBG_KNL, "algorithm %N not supported by kernel!", @@ -918,9 +993,9 @@ static status_t add_sa(private_kernel_netlink_ipsec_t *this, return FAILED; } DBG2(DBG_KNL, " using integrity algorithm %N with key size %d", - integrity_algorithm_names, int_alg, int_size); + integrity_algorithm_names, int_alg, int_key.len * 8); - rthdr->rta_len = RTA_LENGTH(sizeof(struct xfrm_algo) + int_size / 8); + rthdr->rta_len = RTA_LENGTH(sizeof(struct xfrm_algo) + int_key.len); hdr->nlmsg_len += rthdr->rta_len; if (hdr->nlmsg_len > sizeof(request)) { @@ -928,9 +1003,9 @@ static status_t add_sa(private_kernel_netlink_ipsec_t *this, } struct xfrm_algo* algo = (struct xfrm_algo*)RTA_DATA(rthdr); - algo->alg_key_len = int_size; + algo->alg_key_len = int_key.len * 8; strcpy(algo->alg_name, alg_name); - prf_plus->get_bytes(prf_plus, int_size / 8, algo->alg_key); + memcpy(algo->alg_key, int_key.ptr, int_key.len); rthdr = XFRM_RTA_NEXT(rthdr); } @@ -938,7 +1013,7 @@ static status_t add_sa(private_kernel_netlink_ipsec_t *this, if (ipcomp != IPCOMP_NONE) { rthdr->rta_type = XFRMA_ALG_COMP; - alg_name = lookup_algorithm(compression_algs, ipcomp, NULL); + alg_name = lookup_algorithm(compression_algs, ipcomp); if (alg_name == NULL) { DBG1(DBG_KNL, "algorithm %N not supported by kernel!", @@ -1005,7 +1080,7 @@ static status_t get_replay_state(private_kernel_netlink_ipsec_t *this, u_int32_t spi, protocol_id_t protocol, host_t *dst, struct xfrm_replay_state *replay) { - unsigned char request[NETLINK_BUFFER_SIZE]; + netlink_buf_t request; struct nlmsghdr *hdr, *out = NULL; struct xfrm_aevent_id *out_aevent = NULL, *aevent_id; size_t len; @@ -1020,7 +1095,7 @@ static status_t get_replay_state(private_kernel_netlink_ipsec_t *this, hdr->nlmsg_flags = NLM_F_REQUEST; hdr->nlmsg_type = XFRM_MSG_GETAE; hdr->nlmsg_len = NLMSG_LENGTH(sizeof(struct xfrm_aevent_id)); - + aevent_id = (struct xfrm_aevent_id*)NLMSG_DATA(hdr); aevent_id->flags = XFRM_AE_RVAL; @@ -1070,9 +1145,10 @@ static status_t get_replay_state(private_kernel_netlink_ipsec_t *this, rtasize = XFRM_PAYLOAD(out, struct xfrm_aevent_id); while(RTA_OK(rta, rtasize)) { - if (rta->rta_type == XFRMA_REPLAY_VAL) + if (rta->rta_type == XFRMA_REPLAY_VAL && + RTA_PAYLOAD(rta) == sizeof(struct xfrm_replay_state)) { - memcpy(replay, RTA_DATA(rta), rta->rta_len); + memcpy(replay, RTA_DATA(rta), RTA_PAYLOAD(rta)); free(out); return SUCCESS; } @@ -1086,14 +1162,56 @@ static status_t get_replay_state(private_kernel_netlink_ipsec_t *this, } /** + * Implementation of kernel_interface_t.del_sa. + */ +static status_t del_sa(private_kernel_netlink_ipsec_t *this, host_t *dst, + u_int32_t spi, protocol_id_t protocol, u_int16_t cpi) +{ + netlink_buf_t request; + struct nlmsghdr *hdr; + struct xfrm_usersa_id *sa_id; + + /* if IPComp was used, we first delete the additional IPComp SA */ + if (cpi) + { + del_sa(this, dst, htonl(ntohs(cpi)), IPPROTO_COMP, 0); + } + + memset(&request, 0, sizeof(request)); + + DBG2(DBG_KNL, "deleting SAD entry with SPI %.8x", ntohl(spi)); + + hdr = (struct nlmsghdr*)request; + hdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK; + hdr->nlmsg_type = XFRM_MSG_DELSA; + hdr->nlmsg_len = NLMSG_LENGTH(sizeof(struct xfrm_usersa_id)); + + sa_id = (struct xfrm_usersa_id*)NLMSG_DATA(hdr); + host2xfrm(dst, &sa_id->daddr); + sa_id->spi = spi; + sa_id->proto = proto_ike2kernel(protocol); + sa_id->family = dst->get_family(dst); + + if (this->socket_xfrm->send_ack(this->socket_xfrm, hdr) != SUCCESS) + { + DBG1(DBG_KNL, "unable to delete SAD entry with SPI %.8x", ntohl(spi)); + return FAILED; + } + DBG2(DBG_KNL, "deleted SAD entry with SPI %.8x", ntohl(spi)); + return SUCCESS; +} + +/** * Implementation of kernel_interface_t.update_sa. */ static status_t update_sa(private_kernel_netlink_ipsec_t *this, - u_int32_t spi, protocol_id_t protocol, + u_int32_t spi, protocol_id_t protocol, u_int16_t cpi, host_t *src, host_t *dst, - host_t *new_src, host_t *new_dst, bool encap) + host_t *new_src, host_t *new_dst, + bool old_encap, bool new_encap) { - unsigned char request[NETLINK_BUFFER_SIZE], *pos; + netlink_buf_t request; + u_char *pos; struct nlmsghdr *hdr, *out = NULL; struct xfrm_usersa_id *sa_id; struct xfrm_usersa_info *out_sa = NULL, *sa; @@ -1101,19 +1219,26 @@ static status_t update_sa(private_kernel_netlink_ipsec_t *this, struct rtattr *rta; size_t rtasize; struct xfrm_encap_tmpl* tmpl = NULL; - bool got_replay_state; + bool got_replay_state = FALSE; struct xfrm_replay_state replay; + /* if IPComp is used, we first update the IPComp SA */ + if (cpi) + { + update_sa(this, htonl(ntohs(cpi)), IPPROTO_COMP, 0, + src, dst, new_src, new_dst, FALSE, FALSE); + } + memset(&request, 0, sizeof(request)); DBG2(DBG_KNL, "querying SAD entry with SPI %.8x for update", ntohl(spi)); - + /* query the existing SA first */ hdr = (struct nlmsghdr*)request; hdr->nlmsg_flags = NLM_F_REQUEST; hdr->nlmsg_type = XFRM_MSG_GETSA; hdr->nlmsg_len = NLMSG_LENGTH(sizeof(struct xfrm_usersa_id)); - + sa_id = (struct xfrm_usersa_id*)NLMSG_DATA(hdr); host2xfrm(dst, &sa_id->daddr); sa_id->spi = spi; @@ -1156,11 +1281,13 @@ static status_t update_sa(private_kernel_netlink_ipsec_t *this, } /* try to get the replay state */ - got_replay_state = (get_replay_state( - this, spi, protocol, dst, &replay) == SUCCESS); + if (get_replay_state(this, spi, protocol, dst, &replay) == SUCCESS) + { + got_replay_state = TRUE; + } - /* delete the old SA */ - if (this->public.interface.del_sa(&this->public.interface, dst, spi, protocol) != SUCCESS) + /* delete the old SA (without affecting the IPComp SA) */ + if (del_sa(this, dst, spi, protocol, 0) != SUCCESS) { DBG1(DBG_KNL, "unable to delete old SAD entry with SPI %.8x", ntohl(spi)); free(out); @@ -1169,7 +1296,6 @@ static status_t update_sa(private_kernel_netlink_ipsec_t *this, DBG2(DBG_KNL, "updating SAD entry with SPI %.8x from %#H..%#H to %#H..%#H", ntohl(spi), src, dst, new_src, new_dst); - /* copy over the SA from out to request */ hdr = (struct nlmsghdr*)request; memcpy(hdr, out, min(out->nlmsg_len, sizeof(request))); @@ -1194,7 +1320,7 @@ static status_t update_sa(private_kernel_netlink_ipsec_t *this, while(RTA_OK(rta, rtasize)) { /* copy all attributes, but not XFRMA_ENCAP if we are disabling it */ - if (rta->rta_type != XFRMA_ENCAP || encap) + if (rta->rta_type != XFRMA_ENCAP || new_encap) { if (rta->rta_type == XFRMA_ENCAP) { /* update encap tmpl */ @@ -1210,7 +1336,7 @@ static status_t update_sa(private_kernel_netlink_ipsec_t *this, } rta = (struct rtattr*)pos; - if (tmpl == NULL && encap) + if (tmpl == NULL && new_encap) { /* add tmpl if we are enabling it */ rta->rta_type = XFRMA_ENCAP; rta->rta_len = RTA_LENGTH(sizeof(struct xfrm_encap_tmpl)); @@ -1257,122 +1383,21 @@ static status_t update_sa(private_kernel_netlink_ipsec_t *this, } /** - * Implementation of kernel_interface_t.query_sa. - */ -static status_t query_sa(private_kernel_netlink_ipsec_t *this, host_t *dst, - u_int32_t spi, protocol_id_t protocol, - u_int32_t *use_time) -{ - unsigned char request[NETLINK_BUFFER_SIZE]; - struct nlmsghdr *out = NULL, *hdr; - struct xfrm_usersa_id *sa_id; - struct xfrm_usersa_info *sa = NULL; - size_t len; - - DBG2(DBG_KNL, "querying SAD entry with SPI %.8x", ntohl(spi)); - memset(&request, 0, sizeof(request)); - - hdr = (struct nlmsghdr*)request; - hdr->nlmsg_flags = NLM_F_REQUEST; - hdr->nlmsg_type = XFRM_MSG_GETSA; - hdr->nlmsg_len = NLMSG_LENGTH(sizeof(struct xfrm_usersa_info)); - - sa_id = (struct xfrm_usersa_id*)NLMSG_DATA(hdr); - host2xfrm(dst, &sa_id->daddr); - sa_id->spi = spi; - sa_id->proto = proto_ike2kernel(protocol); - sa_id->family = dst->get_family(dst); - - if (this->socket_xfrm->send(this->socket_xfrm, hdr, &out, &len) == SUCCESS) - { - hdr = out; - while (NLMSG_OK(hdr, len)) - { - switch (hdr->nlmsg_type) - { - case XFRM_MSG_NEWSA: - { - sa = NLMSG_DATA(hdr); - break; - } - case NLMSG_ERROR: - { - struct nlmsgerr *err = NLMSG_DATA(hdr); - DBG1(DBG_KNL, "querying SAD entry failed: %s (%d)", - strerror(-err->error), -err->error); - break; - } - default: - hdr = NLMSG_NEXT(hdr, len); - continue; - case NLMSG_DONE: - break; - } - break; - } - } - - if (sa == NULL) - { - DBG1(DBG_KNL, "unable to query SAD entry with SPI %.8x", ntohl(spi)); - free(out); - return FAILED; - } - - *use_time = sa->curlft.use_time; - free (out); - return SUCCESS; -} - -/** - * Implementation of kernel_interface_t.del_sa. - */ -static status_t del_sa(private_kernel_netlink_ipsec_t *this, host_t *dst, - u_int32_t spi, protocol_id_t protocol) -{ - unsigned char request[NETLINK_BUFFER_SIZE]; - struct nlmsghdr *hdr; - struct xfrm_usersa_id *sa_id; - - memset(&request, 0, sizeof(request)); - - DBG2(DBG_KNL, "deleting SAD entry with SPI %.8x", ntohl(spi)); - - hdr = (struct nlmsghdr*)request; - hdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK; - hdr->nlmsg_type = XFRM_MSG_DELSA; - hdr->nlmsg_len = NLMSG_LENGTH(sizeof(struct xfrm_usersa_id)); - - sa_id = (struct xfrm_usersa_id*)NLMSG_DATA(hdr); - host2xfrm(dst, &sa_id->daddr); - sa_id->spi = spi; - sa_id->proto = proto_ike2kernel(protocol); - sa_id->family = dst->get_family(dst); - - if (this->socket_xfrm->send_ack(this->socket_xfrm, hdr) != SUCCESS) - { - DBG1(DBG_KNL, "unable to delete SAD entry with SPI %.8x", ntohl(spi)); - return FAILED; - } - DBG2(DBG_KNL, "deleted SAD entry with SPI %.8x", ntohl(spi)); - return SUCCESS; -} - -/** * Implementation of kernel_interface_t.add_policy. */ static status_t add_policy(private_kernel_netlink_ipsec_t *this, host_t *src, host_t *dst, traffic_selector_t *src_ts, traffic_selector_t *dst_ts, - policy_dir_t direction, protocol_id_t protocol, - u_int32_t reqid, bool high_prio, ipsec_mode_t mode, - u_int16_t ipcomp) + policy_dir_t direction, u_int32_t spi, + protocol_id_t protocol, u_int32_t reqid, + ipsec_mode_t mode, u_int16_t ipcomp, u_int16_t cpi, + bool routed) { iterator_t *iterator; policy_entry_t *current, *policy; bool found = FALSE; - unsigned char request[NETLINK_BUFFER_SIZE]; + netlink_buf_t request; struct xfrm_userpolicy_info *policy_info; struct nlmsghdr *hdr; @@ -1383,7 +1408,7 @@ static status_t add_policy(private_kernel_netlink_ipsec_t *this, policy->direction = direction; /* find the policy, which matches EXACTLY */ - pthread_mutex_lock(&this->mutex); + this->mutex->lock(this->mutex); iterator = this->policies->create_iterator(this->policies, TRUE); while (iterator->iterate(iterator, (void**)¤t)) { @@ -1421,13 +1446,13 @@ static status_t add_policy(private_kernel_netlink_ipsec_t *this, policy_info->sel = policy->sel; policy_info->dir = policy->direction; /* calculate priority based on source selector size, small size = high prio */ - policy_info->priority = high_prio ? PRIO_HIGH : PRIO_LOW; + policy_info->priority = routed ? PRIO_LOW : PRIO_HIGH; policy_info->priority -= policy->sel.prefixlen_s * 10; policy_info->priority -= policy->sel.proto ? 2 : 0; policy_info->priority -= policy->sel.sport_mask ? 1 : 0; policy_info->action = XFRM_POLICY_ALLOW; policy_info->share = XFRM_SHARE_ANY; - pthread_mutex_unlock(&this->mutex); + this->mutex->unlock(this->mutex); /* policies don't expire */ policy_info->lft.soft_byte_limit = XFRM_INF; @@ -1503,7 +1528,8 @@ static status_t add_policy(private_kernel_netlink_ipsec_t *this, { route_entry_t *route = malloc_thing(route_entry_t); - if (get_address_by_ts(this, dst_ts, &route->src_ip) == SUCCESS) + if (charon->kernel_interface->get_address_by_ts(charon->kernel_interface, + dst_ts, &route->src_ip) == SUCCESS) { /* get the nexthop to src (src as we are in POLICY_FWD).*/ route->gateway = charon->kernel_interface->get_nexthop( @@ -1514,22 +1540,30 @@ static status_t add_policy(private_kernel_netlink_ipsec_t *this, memcpy(route->dst_net.ptr, &policy->sel.saddr, route->dst_net.len); route->prefixlen = policy->sel.prefixlen_s; - switch (charon->kernel_interface->add_route(charon->kernel_interface, - route->dst_net, route->prefixlen, route->gateway, - route->src_ip, route->if_name)) + if (route->if_name) + { + switch (charon->kernel_interface->add_route( + charon->kernel_interface, route->dst_net, + route->prefixlen, route->gateway, + route->src_ip, route->if_name)) + { + default: + DBG1(DBG_KNL, "unable to install source route for %H", + route->src_ip); + /* FALL */ + case ALREADY_DONE: + /* route exists, do not uninstall */ + route_entry_destroy(route); + break; + case SUCCESS: + /* cache the installed route */ + policy->route = route; + break; + } + } + else { - default: - DBG1(DBG_KNL, "unable to install source route for %H", - route->src_ip); - /* FALL */ - case ALREADY_DONE: - /* route exists, do not uninstall */ - route_entry_destroy(route); - break; - case SUCCESS: - /* cache the installed route */ - policy->route = route; - break; + route_entry_destroy(route); } } else @@ -1537,7 +1571,6 @@ static status_t add_policy(private_kernel_netlink_ipsec_t *this, free(route); } } - return SUCCESS; } @@ -1549,7 +1582,7 @@ static status_t query_policy(private_kernel_netlink_ipsec_t *this, traffic_selector_t *dst_ts, policy_dir_t direction, u_int32_t *use_time) { - unsigned char request[NETLINK_BUFFER_SIZE]; + netlink_buf_t request; struct nlmsghdr *out = NULL, *hdr; struct xfrm_userpolicy_id *policy_id; struct xfrm_userpolicy_info *policy = NULL; @@ -1617,14 +1650,14 @@ static status_t query_policy(private_kernel_netlink_ipsec_t *this, static status_t del_policy(private_kernel_netlink_ipsec_t *this, traffic_selector_t *src_ts, traffic_selector_t *dst_ts, - policy_dir_t direction) + policy_dir_t direction, bool unrouted) { policy_entry_t *current, policy, *to_delete = NULL; route_entry_t *route; - unsigned char request[NETLINK_BUFFER_SIZE]; + netlink_buf_t request; struct nlmsghdr *hdr; struct xfrm_userpolicy_id *policy_id; - iterator_t *iterator; + enumerator_t *enumerator; DBG2(DBG_KNL, "deleting policy %R === %R %N", src_ts, dst_ts, policy_dir_names, direction); @@ -1635,10 +1668,11 @@ static status_t del_policy(private_kernel_netlink_ipsec_t *this, policy.direction = direction; /* find the policy */ - iterator = this->policies->create_iterator_locked(this->policies, &this->mutex); - while (iterator->iterate(iterator, (void**)¤t)) + this->mutex->lock(this->mutex); + enumerator = this->policies->create_enumerator(this->policies); + while (enumerator->enumerate(enumerator, ¤t)) { - if (memcmp(¤t->sel, &policy.sel, sizeof(struct xfrm_selector)) == 0 && + if (memeq(¤t->sel, &policy.sel, sizeof(struct xfrm_selector)) && policy.direction == current->direction) { to_delete = current; @@ -1646,15 +1680,17 @@ static status_t del_policy(private_kernel_netlink_ipsec_t *this, { /* is used by more SAs, keep in kernel */ DBG2(DBG_KNL, "policy still used by another CHILD_SA, not removed"); - iterator->destroy(iterator); + this->mutex->unlock(this->mutex); + enumerator->destroy(enumerator); return SUCCESS; } /* remove if last reference */ - iterator->remove(iterator); + this->policies->remove_at(this->policies, enumerator); break; } } - iterator->destroy(iterator); + this->mutex->unlock(this->mutex); + enumerator->destroy(enumerator); if (!to_delete) { DBG1(DBG_KNL, "deleting policy %R === %R %N failed, not found", src_ts, @@ -1707,9 +1743,75 @@ static void destroy(private_kernel_netlink_ipsec_t *this) close(this->socket_xfrm_events); this->socket_xfrm->destroy(this->socket_xfrm); this->policies->destroy(this->policies); + this->mutex->destroy(this->mutex); free(this); } +/** + * Add bypass policies for IKE on the sockets used by charon + */ +static bool add_bypass_policies() +{ + int fd, family, port; + enumerator_t *sockets; + bool status = TRUE; + + /* we open an AF_KEY socket to autoload the af_key module. Otherwise + * setsockopt(IPSEC_POLICY) won't work. */ + fd = socket(AF_KEY, SOCK_RAW, PF_KEY_V2); + if (fd == 0) + { + DBG1(DBG_KNL, "could not open AF_KEY socket"); + return FALSE; + } + close(fd); + + sockets = charon->socket->create_enumerator(charon->socket); + while (sockets->enumerate(sockets, &fd, &family, &port)) + { + struct sadb_x_policy policy; + u_int sol, ipsec_policy; + + switch (family) + { + case AF_INET: + sol = SOL_IP; + ipsec_policy = IP_IPSEC_POLICY; + break; + case AF_INET6: + sol = SOL_IPV6; + ipsec_policy = IPV6_IPSEC_POLICY; + break; + default: + continue; + } + + memset(&policy, 0, sizeof(policy)); + policy.sadb_x_policy_len = sizeof(policy) / sizeof(u_int64_t); + policy.sadb_x_policy_exttype = SADB_X_EXT_POLICY; + policy.sadb_x_policy_type = IPSEC_POLICY_BYPASS; + + policy.sadb_x_policy_dir = IPSEC_DIR_OUTBOUND; + if (setsockopt(fd, sol, ipsec_policy, &policy, sizeof(policy)) < 0) + { + DBG1(DBG_KNL, "unable to set IPSEC_POLICY on socket: %s", + strerror(errno)); + status = FALSE; + break; + } + policy.sadb_x_policy_dir = IPSEC_DIR_INBOUND; + if (setsockopt(fd, sol, ipsec_policy, &policy, sizeof(policy)) < 0) + { + DBG1(DBG_KNL, "unable to set IPSEC_POLICY on socket: %s", + strerror(errno)); + status = FALSE; + break; + } + } + sockets->destroy(sockets); + return status; +} + /* * Described in header. */ @@ -1721,33 +1823,39 @@ kernel_netlink_ipsec_t *kernel_netlink_ipsec_create() /* public functions */ this->public.interface.get_spi = (status_t(*)(kernel_ipsec_t*,host_t*,host_t*,protocol_id_t,u_int32_t,u_int32_t*))get_spi; this->public.interface.get_cpi = (status_t(*)(kernel_ipsec_t*,host_t*,host_t*,u_int32_t,u_int16_t*))get_cpi; - this->public.interface.add_sa = (status_t(*)(kernel_ipsec_t *,host_t*,host_t*,u_int32_t,protocol_id_t,u_int32_t,u_int64_t,u_int64_t,u_int16_t,u_int16_t,u_int16_t,u_int16_t,prf_plus_t*,ipsec_mode_t,u_int16_t,bool,bool))add_sa; - this->public.interface.update_sa = (status_t(*)(kernel_ipsec_t*,u_int32_t,protocol_id_t,host_t*,host_t*,host_t*,host_t*,bool))update_sa; - this->public.interface.query_sa = (status_t(*)(kernel_ipsec_t*,host_t*,u_int32_t,protocol_id_t,u_int32_t*))query_sa; - this->public.interface.del_sa = (status_t(*)(kernel_ipsec_t*,host_t*,u_int32_t,protocol_id_t))del_sa; - this->public.interface.add_policy = (status_t(*)(kernel_ipsec_t*,host_t*,host_t*,traffic_selector_t*,traffic_selector_t*,policy_dir_t,protocol_id_t,u_int32_t,bool,ipsec_mode_t,u_int16_t))add_policy; + this->public.interface.add_sa = (status_t(*)(kernel_ipsec_t *,host_t*,host_t*,u_int32_t,protocol_id_t,u_int32_t,u_int64_t,u_int64_t,u_int16_t,chunk_t,u_int16_t,chunk_t,ipsec_mode_t,u_int16_t,u_int16_t,bool,bool))add_sa; + this->public.interface.update_sa = (status_t(*)(kernel_ipsec_t*,u_int32_t,protocol_id_t,u_int16_t,host_t*,host_t*,host_t*,host_t*,bool,bool))update_sa; + this->public.interface.del_sa = (status_t(*)(kernel_ipsec_t*,host_t*,u_int32_t,protocol_id_t,u_int16_t))del_sa; + this->public.interface.add_policy = (status_t(*)(kernel_ipsec_t*,host_t*,host_t*,traffic_selector_t*,traffic_selector_t*,policy_dir_t,u_int32_t,protocol_id_t,u_int32_t,ipsec_mode_t,u_int16_t,u_int16_t,bool))add_policy; this->public.interface.query_policy = (status_t(*)(kernel_ipsec_t*,traffic_selector_t*,traffic_selector_t*,policy_dir_t,u_int32_t*))query_policy; - this->public.interface.del_policy = (status_t(*)(kernel_ipsec_t*,traffic_selector_t*,traffic_selector_t*,policy_dir_t))del_policy; + this->public.interface.del_policy = (status_t(*)(kernel_ipsec_t*,traffic_selector_t*,traffic_selector_t*,policy_dir_t,bool))del_policy; this->public.interface.destroy = (void(*)(kernel_ipsec_t*)) destroy; /* private members */ this->policies = linked_list_create(); - pthread_mutex_init(&this->mutex, NULL); + this->mutex = mutex_create(MUTEX_DEFAULT); this->install_routes = lib->settings->get_bool(lib->settings, "charon.install_routes", TRUE); + /* add bypass policies on the sockets used by charon */ + if (!add_bypass_policies()) + { + charon->kill(charon, "unable to add bypass policies on sockets"); + } + this->socket_xfrm = netlink_socket_create(NETLINK_XFRM); memset(&addr, 0, sizeof(addr)); addr.nl_family = AF_NETLINK; - /* create and bind XFRM socket for ACQUIRE & EXPIRE */ + /* create and bind XFRM socket for ACQUIRE, EXPIRE, MIGRATE & MAPPING */ this->socket_xfrm_events = socket(AF_NETLINK, SOCK_RAW, NETLINK_XFRM); if (this->socket_xfrm_events <= 0) { charon->kill(charon, "unable to create XFRM event socket"); } - addr.nl_groups = XFRMNLGRP(ACQUIRE) | XFRMNLGRP(EXPIRE) | XFRMNLGRP(MAPPING); + addr.nl_groups = XFRMNLGRP(ACQUIRE) | XFRMNLGRP(EXPIRE) | + XFRMNLGRP(MIGRATE) | XFRMNLGRP(MAPPING); if (bind(this->socket_xfrm_events, (struct sockaddr*)&addr, sizeof(addr))) { charon->kill(charon, "unable to bind XFRM event socket"); diff --git a/src/charon/plugins/kernel_netlink/kernel_netlink_net.c b/src/charon/plugins/kernel_netlink/kernel_netlink_net.c index d8bba9412..69a781c14 100644 --- a/src/charon/plugins/kernel_netlink/kernel_netlink_net.c +++ b/src/charon/plugins/kernel_netlink/kernel_netlink_net.c @@ -13,7 +13,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: kernel_netlink_net.c 4391 2008-10-09 05:44:00Z andreas $ + * $Id: kernel_netlink_net.c 4660 2008-11-14 14:23:11Z martin $ */ #include <sys/socket.h> @@ -29,6 +29,7 @@ #include "kernel_netlink_shared.h" #include <daemon.h> +#include <utils/mutex.h> #include <utils/linked_list.h> #include <processing/jobs/callback_job.h> #include <processing/jobs/roam_job.h> @@ -116,12 +117,12 @@ struct private_kernel_netlink_net_t { /** * mutex to lock access to various lists */ - pthread_mutex_t mutex; + mutex_t *mutex; /** * condition variable to signal virtual IP add/removal */ - pthread_cond_t cond; + condvar_t *condvar; /** * Cached list of interfaces and its addresses (iface_entry_t) @@ -157,7 +158,7 @@ struct private_kernel_netlink_net_t { * priority of used routing table */ int routing_table_prio; - + /** * whether to react to RTM_NEWROUTE or RTM_DELROUTE events */ @@ -206,7 +207,7 @@ static int get_vip_refcount(private_kernel_netlink_net_t *this, host_t* ip) static void fire_roam_job(private_kernel_netlink_net_t *this, bool address) { struct timeval now; - + if (gettimeofday(&now, NULL) == 0) { if (timercmp(&now, &this->last_roam, >)) @@ -233,7 +234,7 @@ static void process_link(private_kernel_netlink_net_t *this, struct ifinfomsg* msg = (struct ifinfomsg*)(NLMSG_DATA(hdr)); struct rtattr *rta = IFLA_RTA(msg); size_t rtasize = IFLA_PAYLOAD (hdr); - iterator_t *iterator; + enumerator_t *enumerator; iface_entry_t *current, *entry = NULL; char *name = NULL; bool update = FALSE; @@ -253,6 +254,7 @@ static void process_link(private_kernel_netlink_net_t *this, name = "(unknown)"; } + this->mutex->lock(this->mutex); switch (hdr->nlmsg_type) { case RTM_NEWLINK: @@ -261,9 +263,8 @@ static void process_link(private_kernel_netlink_net_t *this, { /* ignore loopback interfaces */ break; } - iterator = this->ifaces->create_iterator_locked(this->ifaces, - &this->mutex); - while (iterator->iterate(iterator, (void**)¤t)) + enumerator = this->ifaces->create_enumerator(this->ifaces); + while (enumerator->enumerate(enumerator, ¤t)) { if (current->ifindex == msg->ifi_index) { @@ -271,6 +272,7 @@ static void process_link(private_kernel_netlink_net_t *this, break; } } + enumerator->destroy(enumerator); if (!entry) { entry = malloc_thing(iface_entry_t); @@ -295,14 +297,12 @@ static void process_link(private_kernel_netlink_net_t *this, } } entry->flags = msg->ifi_flags; - iterator->destroy(iterator); break; } case RTM_DELLINK: { - iterator = this->ifaces->create_iterator_locked(this->ifaces, - &this->mutex); - while (iterator->iterate(iterator, (void**)¤t)) + enumerator = this->ifaces->create_enumerator(this->ifaces); + while (enumerator->enumerate(enumerator, ¤t)) { if (current->ifindex == msg->ifi_index) { @@ -312,10 +312,11 @@ static void process_link(private_kernel_netlink_net_t *this, break; } } - iterator->destroy(iterator); + enumerator->destroy(enumerator); break; } } + this->mutex->unlock(this->mutex); /* send an update to all IKE_SAs */ if (update && event) @@ -334,7 +335,7 @@ static void process_addr(private_kernel_netlink_net_t *this, struct rtattr *rta = IFA_RTA(msg); size_t rtasize = IFA_PAYLOAD (hdr); host_t *host = NULL; - iterator_t *ifaces, *addrs; + enumerator_t *ifaces, *addrs; iface_entry_t *iface; addr_entry_t *addr; chunk_t local = chunk_empty, address = chunk_empty; @@ -373,20 +374,21 @@ static void process_addr(private_kernel_netlink_net_t *this, return; } - ifaces = this->ifaces->create_iterator_locked(this->ifaces, &this->mutex); - while (ifaces->iterate(ifaces, (void**)&iface)) + this->mutex->lock(this->mutex); + ifaces = this->ifaces->create_enumerator(this->ifaces); + while (ifaces->enumerate(ifaces, &iface)) { if (iface->ifindex == msg->ifa_index) { - addrs = iface->addrs->create_iterator(iface->addrs, TRUE); - while (addrs->iterate(addrs, (void**)&addr)) + addrs = iface->addrs->create_enumerator(iface->addrs); + while (addrs->enumerate(addrs, &addr)) { if (host->ip_equals(host, addr->ip)) { found = TRUE; if (hdr->nlmsg_type == RTM_DELADDR) { - addrs->remove(addrs); + iface->addrs->remove_at(iface->addrs, addrs); if (!addr->virtual) { changed = TRUE; @@ -430,6 +432,7 @@ static void process_addr(private_kernel_netlink_net_t *this, } } ifaces->destroy(ifaces); + this->mutex->unlock(this->mutex); host->destroy(host); /* send an update to all IKE_SAs */ @@ -468,10 +471,12 @@ static void process_route(private_kernel_netlink_net_t *this, struct nlmsghdr *h } if (host) { + this->mutex->lock(this->mutex); if (!get_vip_refcount(this, host)) { /* ignore routes added for virtual IPs */ fire_roam_job(this, FALSE); } + this->mutex->unlock(this->mutex); host->destroy(host); } } @@ -522,12 +527,12 @@ static job_requeue_t receive_events(private_kernel_netlink_net_t *this) case RTM_NEWADDR: case RTM_DELADDR: process_addr(this, hdr, TRUE); - pthread_cond_broadcast(&this->cond); + this->condvar->broadcast(this->condvar); break; case RTM_NEWLINK: case RTM_DELLINK: process_link(this, hdr, TRUE); - pthread_cond_broadcast(&this->cond); + this->condvar->broadcast(this->condvar); break; case RTM_NEWROUTE: case RTM_DELROUTE: @@ -558,7 +563,7 @@ typedef struct { */ static void address_enumerator_destroy(address_enumerator_t *data) { - pthread_mutex_unlock(&data->this->mutex); + data->this->mutex->unlock(data->this->mutex); free(data); } @@ -612,7 +617,7 @@ static enumerator_t *create_address_enumerator(private_kernel_netlink_net_t *thi data->include_down_ifaces = include_down_ifaces; data->include_virtual_ips = include_virtual_ips; - pthread_mutex_lock(&this->mutex); + this->mutex->lock(this->mutex); return enumerator_create_nested( enumerator_create_filter(this->ifaces->create_enumerator(this->ifaces), (void*)filter_interfaces, data, NULL), @@ -624,18 +629,19 @@ static enumerator_t *create_address_enumerator(private_kernel_netlink_net_t *thi */ static char *get_interface_name(private_kernel_netlink_net_t *this, host_t* ip) { - iterator_t *ifaces, *addrs; + enumerator_t *ifaces, *addrs; iface_entry_t *iface; addr_entry_t *addr; char *name = NULL; DBG2(DBG_KNL, "getting interface name for %H", ip); - ifaces = this->ifaces->create_iterator_locked(this->ifaces, &this->mutex); - while (ifaces->iterate(ifaces, (void**)&iface)) + this->mutex->lock(this->mutex); + ifaces = this->ifaces->create_enumerator(this->ifaces); + while (ifaces->enumerate(ifaces, &iface)) { - addrs = iface->addrs->create_iterator(iface->addrs, TRUE); - while (addrs->iterate(addrs, (void**)&addr)) + addrs = iface->addrs->create_enumerator(iface->addrs); + while (addrs->enumerate(addrs, &addr)) { if (ip->ip_equals(ip, addr->ip)) { @@ -650,6 +656,7 @@ static char *get_interface_name(private_kernel_netlink_net_t *this, host_t* ip) } } ifaces->destroy(ifaces); + this->mutex->unlock(this->mutex); if (name) { @@ -667,14 +674,15 @@ static char *get_interface_name(private_kernel_netlink_net_t *this, host_t* ip) */ static int get_interface_index(private_kernel_netlink_net_t *this, char* name) { - iterator_t *ifaces; + enumerator_t *ifaces; iface_entry_t *iface; int ifindex = 0; DBG2(DBG_KNL, "getting iface index for %s", name); - ifaces = this->ifaces->create_iterator_locked(this->ifaces, &this->mutex); - while (ifaces->iterate(ifaces, (void**)&iface)) + this->mutex->lock(this->mutex); + ifaces = this->ifaces->create_enumerator(this->ifaces); + while (ifaces->enumerate(ifaces, &iface)) { if (streq(name, iface->ifname)) { @@ -683,6 +691,7 @@ static int get_interface_index(private_kernel_netlink_net_t *this, char* name) } } ifaces->destroy(ifaces); + this->mutex->unlock(this->mutex); if (ifindex == 0) { @@ -692,6 +701,28 @@ static int get_interface_index(private_kernel_netlink_net_t *this, char* name) } /** + * Check if an interface with a given index is up + */ +static bool is_interface_up(private_kernel_netlink_net_t *this, int index) +{ + enumerator_t *ifaces; + iface_entry_t *iface; + bool up = FALSE; + + ifaces = this->ifaces->create_enumerator(this->ifaces); + while (ifaces->enumerate(ifaces, &iface)) + { + if (iface->ifindex == index) + { + up = iface->flags & IFF_UP; + break; + } + } + ifaces->destroy(ifaces); + return up; +} + +/** * check if an address (chunk) addr is in subnet (net with net_len net bits) */ static bool addr_in_subnet(chunk_t addr, chunk_t net, int net_len) @@ -730,7 +761,7 @@ static bool addr_in_subnet(chunk_t addr, chunk_t net, int net_len) static host_t *get_route(private_kernel_netlink_net_t *this, host_t *dest, bool nexthop, host_t *candidate) { - unsigned char request[NETLINK_BUFFER_SIZE]; + netlink_buf_t request; struct nlmsghdr *hdr, *out, *current; struct rtmsg *msg; chunk_t chunk; @@ -763,6 +794,7 @@ static host_t *get_route(private_kernel_netlink_net_t *this, host_t *dest, DBG1(DBG_KNL, "getting address to %H failed", dest); return NULL; } + this->mutex->lock(this->mutex); current = out; while (NLMSG_OK(current, len)) { @@ -776,6 +808,9 @@ static host_t *get_route(private_kernel_netlink_net_t *this, host_t *dest, size_t rtasize; chunk_t rta_gtw, rta_src, rta_dst; u_int32_t rta_oif = 0; + enumerator_t *ifaces, *addrs; + iface_entry_t *iface; + addr_entry_t *addr; rta_gtw = rta_src = rta_dst = chunk_empty; msg = (struct rtmsg*)(NLMSG_DATA(current)); @@ -803,79 +838,80 @@ static host_t *get_route(private_kernel_netlink_net_t *this, host_t *dest, } rta = RTA_NEXT(rta, rtasize); } + if (rta_oif && !is_interface_up(this, rta_oif)) + { /* interface is down */ + goto next; + } + if (this->routing_table != 0 && + msg->rtm_table == this->routing_table) + { /* route is from our own ipsec routing table */ + goto next; + } + if (msg->rtm_dst_len <= best) + { /* not better than a previous one */ + goto next; + } + if (msg->rtm_dst_len != 0 && + (!rta_dst.ptr || + !addr_in_subnet(chunk, rta_dst, msg->rtm_dst_len))) + { /* is not the default route and not contained in our dst */ + goto next; + } - /* apply the route if: - * - it is not from our own ipsec routing table - * - is better than a previous one - * - is the default route or - * - its destination net contains our destination - */ - if ((this->routing_table == 0 ||msg->rtm_table != this->routing_table) - && msg->rtm_dst_len > best - && (msg->rtm_dst_len == 0 || /* default route */ - (rta_dst.ptr && addr_in_subnet(chunk, rta_dst, msg->rtm_dst_len)))) + best = msg->rtm_dst_len; + if (nexthop) { - iterator_t *ifaces, *addrs; - iface_entry_t *iface; - addr_entry_t *addr; - - best = msg->rtm_dst_len; - if (nexthop) - { - DESTROY_IF(gtw); - gtw = host_create_from_chunk(msg->rtm_family, rta_gtw, 0); - } - else if (rta_src.ptr) - { + DESTROY_IF(gtw); + gtw = host_create_from_chunk(msg->rtm_family, rta_gtw, 0); + goto next; + } + if (rta_src.ptr) + { + DESTROY_IF(src); + src = host_create_from_chunk(msg->rtm_family, rta_src, 0); + if (get_vip_refcount(this, src)) + { /* skip source address if it is installed by us */ DESTROY_IF(src); - src = host_create_from_chunk(msg->rtm_family, rta_src, 0); - if (get_vip_refcount(this, src)) - { /* skip source address if it is installed by us */ - DESTROY_IF(src); - src = NULL; - current = NLMSG_NEXT(current, len); - continue; - } + src = NULL; } - else + goto next; + } + /* no source addr, get one from the interfaces */ + ifaces = this->ifaces->create_enumerator(this->ifaces); + while (ifaces->enumerate(ifaces, &iface)) + { + if (iface->ifindex == rta_oif && + iface->flags & IFF_UP) { - /* no source addr, get one from the interfaces */ - ifaces = this->ifaces->create_iterator_locked( - this->ifaces, &this->mutex); - while (ifaces->iterate(ifaces, (void**)&iface)) + addrs = iface->addrs->create_enumerator(iface->addrs); + while (addrs->enumerate(addrs, &addr)) { - if (iface->ifindex == rta_oif) + chunk_t ip = addr->ip->get_address(addr->ip); + if ((msg->rtm_dst_len == 0 && + addr->ip->get_family(addr->ip) == + dest->get_family(dest)) || + addr_in_subnet(ip, rta_dst, msg->rtm_dst_len)) { - addrs = iface->addrs->create_iterator( - iface->addrs, TRUE); - while (addrs->iterate(addrs, (void**)&addr)) - { - chunk_t ip = addr->ip->get_address(addr->ip); - if ((msg->rtm_dst_len == 0 && - addr->ip->get_family(addr->ip) == - dest->get_family(dest)) || - addr_in_subnet(ip, rta_dst, msg->rtm_dst_len)) - { - DESTROY_IF(src); - src = addr->ip->clone(addr->ip); - break; - } - } - addrs->destroy(addrs); + DESTROY_IF(src); + src = addr->ip->clone(addr->ip); + break; } } - ifaces->destroy(ifaces); + addrs->destroy(addrs); } } - /* FALL through */ + ifaces->destroy(ifaces); + goto next; } default: + next: current = NLMSG_NEXT(current, len); continue; } break; } free(out); + this->mutex->unlock(this->mutex); if (nexthop) { @@ -912,7 +948,7 @@ static host_t* get_nexthop(private_kernel_netlink_net_t *this, host_t *dest) static status_t manage_ipaddr(private_kernel_netlink_net_t *this, int nlmsg_type, int flags, int if_index, host_t *ip) { - unsigned char request[NETLINK_BUFFER_SIZE]; + netlink_buf_t request; struct nlmsghdr *hdr; struct ifaddrmsg *msg; chunk_t chunk; @@ -946,18 +982,19 @@ static status_t add_ip(private_kernel_netlink_net_t *this, { iface_entry_t *iface; addr_entry_t *addr; - iterator_t *addrs, *ifaces; + enumerator_t *addrs, *ifaces; int ifindex; DBG2(DBG_KNL, "adding virtual IP %H", virtual_ip); - ifaces = this->ifaces->create_iterator_locked(this->ifaces, &this->mutex); - while (ifaces->iterate(ifaces, (void**)&iface)) + this->mutex->lock(this->mutex); + ifaces = this->ifaces->create_enumerator(this->ifaces); + while (ifaces->enumerate(ifaces, &iface)) { bool iface_found = FALSE; - addrs = iface->addrs->create_iterator(iface->addrs, TRUE); - while (addrs->iterate(addrs, (void**)&addr)) + addrs = iface->addrs->create_enumerator(iface->addrs); + while (addrs->enumerate(addrs, &addr)) { if (iface_ip->ip_equals(iface_ip, addr->ip)) { @@ -970,6 +1007,7 @@ static status_t add_ip(private_kernel_netlink_net_t *this, virtual_ip, iface->ifname); addrs->destroy(addrs); ifaces->destroy(ifaces); + this->mutex->unlock(this->mutex); return SUCCESS; } } @@ -990,17 +1028,20 @@ static status_t add_ip(private_kernel_netlink_net_t *this, { while (get_vip_refcount(this, virtual_ip) == 0) { /* wait until address appears */ - pthread_cond_wait(&this->cond, &this->mutex); + this->condvar->wait(this->condvar, this->mutex); } ifaces->destroy(ifaces); + this->mutex->unlock(this->mutex); return SUCCESS; } ifaces->destroy(ifaces); + this->mutex->unlock(this->mutex); DBG1(DBG_KNL, "adding virtual IP %H failed", virtual_ip); return FAILED; } } ifaces->destroy(ifaces); + this->mutex->unlock(this->mutex); DBG1(DBG_KNL, "interface address %H not found, unable to install" "virtual IP %H", iface_ip, virtual_ip); @@ -1014,17 +1055,18 @@ static status_t del_ip(private_kernel_netlink_net_t *this, host_t *virtual_ip) { iface_entry_t *iface; addr_entry_t *addr; - iterator_t *addrs, *ifaces; + enumerator_t *addrs, *ifaces; status_t status; int ifindex; DBG2(DBG_KNL, "deleting virtual IP %H", virtual_ip); - ifaces = this->ifaces->create_iterator_locked(this->ifaces, &this->mutex); - while (ifaces->iterate(ifaces, (void**)&iface)) + this->mutex->lock(this->mutex); + ifaces = this->ifaces->create_enumerator(this->ifaces); + while (ifaces->enumerate(ifaces, &iface)) { - addrs = iface->addrs->create_iterator(iface->addrs, TRUE); - while (addrs->iterate(addrs, (void**)&addr)) + addrs = iface->addrs->create_enumerator(iface->addrs); + while (addrs->enumerate(addrs, &addr)) { if (virtual_ip->ip_equals(virtual_ip, addr->ip)) { @@ -1037,11 +1079,12 @@ static status_t del_ip(private_kernel_netlink_net_t *this, host_t *virtual_ip) { /* wait until the address is really gone */ while (get_vip_refcount(this, virtual_ip) > 0) { - pthread_cond_wait(&this->cond, &this->mutex); + this->condvar->wait(this->condvar, this->mutex); } } addrs->destroy(addrs); ifaces->destroy(ifaces); + this->mutex->unlock(this->mutex); return status; } else @@ -1052,12 +1095,14 @@ static status_t del_ip(private_kernel_netlink_net_t *this, host_t *virtual_ip) virtual_ip); addrs->destroy(addrs); ifaces->destroy(ifaces); + this->mutex->unlock(this->mutex); return SUCCESS; } } addrs->destroy(addrs); } ifaces->destroy(ifaces); + this->mutex->unlock(this->mutex); DBG2(DBG_KNL, "virtual IP %H not cached, unable to delete", virtual_ip); return FAILED; @@ -1071,7 +1116,7 @@ static status_t manage_srcroute(private_kernel_netlink_net_t *this, int nlmsg_ty int flags, chunk_t dst_net, u_int8_t prefixlen, host_t *gateway, host_t *src_ip, char *if_name) { - unsigned char request[NETLINK_BUFFER_SIZE]; + netlink_buf_t request; struct nlmsghdr *hdr; struct rtmsg *msg; int ifindex; @@ -1151,11 +1196,11 @@ status_t del_route(private_kernel_netlink_net_t *this, chunk_t dst_net, */ static status_t init_address_list(private_kernel_netlink_net_t *this) { - char request[NETLINK_BUFFER_SIZE]; + netlink_buf_t request; struct nlmsghdr *out, *current, *in; struct rtgenmsg *msg; size_t len; - iterator_t *ifaces, *addrs; + enumerator_t *ifaces, *addrs; iface_entry_t *iface; addr_entry_t *addr; @@ -1217,14 +1262,15 @@ static status_t init_address_list(private_kernel_netlink_net_t *this) } free(out); - ifaces = this->ifaces->create_iterator_locked(this->ifaces, &this->mutex); - while (ifaces->iterate(ifaces, (void**)&iface)) + this->mutex->lock(this->mutex); + ifaces = this->ifaces->create_enumerator(this->ifaces); + while (ifaces->enumerate(ifaces, &iface)) { if (iface->flags & IFF_UP) { DBG1(DBG_KNL, " %s", iface->ifname); - addrs = iface->addrs->create_iterator(iface->addrs, TRUE); - while (addrs->iterate(addrs, (void**)&addr)) + addrs = iface->addrs->create_enumerator(iface->addrs); + while (addrs->enumerate(addrs, (void**)&addr)) { DBG1(DBG_KNL, " %H", addr->ip); } @@ -1232,6 +1278,7 @@ static status_t init_address_list(private_kernel_netlink_net_t *this) } } ifaces->destroy(ifaces); + this->mutex->unlock(this->mutex); return SUCCESS; } @@ -1241,7 +1288,7 @@ static status_t init_address_list(private_kernel_netlink_net_t *this) static status_t manage_rule(private_kernel_netlink_net_t *this, int nlmsg_type, u_int32_t table, u_int32_t prio) { - unsigned char request[NETLINK_BUFFER_SIZE]; + netlink_buf_t request; struct nlmsghdr *hdr; struct rtmsg *msg; chunk_t chunk; @@ -1284,6 +1331,8 @@ static void destroy(private_kernel_netlink_net_t *this) close(this->socket_events); this->socket->destroy(this->socket); this->ifaces->destroy_function(this->ifaces, (void*)iface_entry_destroy); + this->condvar->destroy(this->condvar); + this->mutex->destroy(this->mutex); free(this); } @@ -1308,8 +1357,8 @@ kernel_netlink_net_t *kernel_netlink_net_create() /* private members */ this->ifaces = linked_list_create(); - pthread_mutex_init(&this->mutex, NULL); - pthread_cond_init(&this->cond, NULL); + this->mutex = mutex_create(MUTEX_DEFAULT); + this->condvar = condvar_create(CONDVAR_DEFAULT); timerclear(&this->last_roam); this->routing_table = lib->settings->get_int(lib->settings, "charon.routing_table", IPSEC_ROUTING_TABLE); diff --git a/src/charon/plugins/kernel_netlink/kernel_netlink_shared.c b/src/charon/plugins/kernel_netlink/kernel_netlink_shared.c index 55d08c5e5..3de56bf48 100644 --- a/src/charon/plugins/kernel_netlink/kernel_netlink_shared.c +++ b/src/charon/plugins/kernel_netlink/kernel_netlink_shared.c @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: kernel_netlink_shared.c 4350 2008-09-18 15:16:43Z tobias $ + * $Id: kernel_netlink_shared.c 4579 2008-11-05 11:29:56Z martin $ */ #include <sys/socket.h> @@ -24,6 +24,7 @@ #include "kernel_netlink_shared.h" #include <daemon.h> +#include <utils/mutex.h> typedef struct private_netlink_socket_t private_netlink_socket_t; @@ -39,7 +40,7 @@ struct private_netlink_socket_t { /** * mutex to lock access to netlink socket */ - pthread_mutex_t mutex; + mutex_t *mutex; /** * current sequence number for netlink request @@ -63,7 +64,7 @@ static status_t netlink_send(private_netlink_socket_t *this, struct nlmsghdr *in chunk_t result = chunk_empty, tmp; struct nlmsghdr *msg, peek; - pthread_mutex_lock(&this->mutex); + this->mutex->lock(this->mutex); in->nlmsg_seq = ++this->seq; in->nlmsg_pid = getpid(); @@ -85,7 +86,7 @@ static status_t netlink_send(private_netlink_socket_t *this, struct nlmsghdr *in /* interrupted, try again */ continue; } - pthread_mutex_unlock(&this->mutex); + this->mutex->unlock(this->mutex); DBG1(DBG_KNL, "error sending to netlink socket: %s", strerror(errno)); return FAILED; } @@ -117,14 +118,14 @@ static status_t netlink_send(private_netlink_socket_t *this, struct nlmsghdr *in continue; } DBG1(DBG_KNL, "error reading from netlink socket: %s", strerror(errno)); - pthread_mutex_unlock(&this->mutex); + this->mutex->unlock(this->mutex); free(result.ptr); return FAILED; } if (!NLMSG_OK(msg, len)) { DBG1(DBG_KNL, "received corrupted netlink message"); - pthread_mutex_unlock(&this->mutex); + this->mutex->unlock(this->mutex); free(result.ptr); return FAILED; } @@ -135,7 +136,7 @@ static status_t netlink_send(private_netlink_socket_t *this, struct nlmsghdr *in { continue; } - pthread_mutex_unlock(&this->mutex); + this->mutex->unlock(this->mutex); free(result.ptr); return FAILED; } @@ -161,7 +162,7 @@ static status_t netlink_send(private_netlink_socket_t *this, struct nlmsghdr *in *out_len = result.len; *out = (struct nlmsghdr*)result.ptr; - pthread_mutex_unlock(&this->mutex); + this->mutex->unlock(this->mutex); return SUCCESS; } @@ -221,6 +222,7 @@ static status_t netlink_send_ack(private_netlink_socket_t *this, struct nlmsghdr static void destroy(private_netlink_socket_t *this) { close(this->socket); + this->mutex->destroy(this->mutex); free(this); } @@ -238,7 +240,7 @@ netlink_socket_t *netlink_socket_create(int protocol) { /* private members */ this->seq = 200; - pthread_mutex_init(&this->mutex, NULL); + this->mutex = mutex_create(MUTEX_DEFAULT); memset(&addr, 0, sizeof(addr)); addr.nl_family = AF_NETLINK; diff --git a/src/charon/plugins/kernel_netlink/kernel_netlink_shared.h b/src/charon/plugins/kernel_netlink/kernel_netlink_shared.h index 6428cc9a2..90e464796 100644 --- a/src/charon/plugins/kernel_netlink/kernel_netlink_shared.h +++ b/src/charon/plugins/kernel_netlink/kernel_netlink_shared.h @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: kernel_netlink_shared.h 4350 2008-09-18 15:16:43Z tobias $ + * $Id: kernel_netlink_shared.h 4660 2008-11-14 14:23:11Z martin $ */ #ifndef KERNEL_NETLINK_SHARED_H_ @@ -20,7 +20,15 @@ #include <library.h> -#define NETLINK_BUFFER_SIZE 1024 +#include <linux/rtnetlink.h> + +/** + * General purpose netlink buffer. + * + * 1024 byte is currently sufficient for all operations. Some platform + * require an enforced aligment to four bytes (e.g. ARM). + */ +typedef u_char netlink_buf_t[1024] __attribute__((aligned(RTA_ALIGNTO))); typedef struct netlink_socket_t netlink_socket_t; diff --git a/src/charon/plugins/kernel_pfkey/Makefile.am b/src/charon/plugins/kernel_pfkey/Makefile.am new file mode 100644 index 000000000..c9d66b5de --- /dev/null +++ b/src/charon/plugins/kernel_pfkey/Makefile.am @@ -0,0 +1,10 @@ + +INCLUDES = -I${linuxdir} -I$(top_srcdir)/src/libstrongswan -I$(top_srcdir)/src/charon + +AM_CFLAGS = -rdynamic + +plugin_LTLIBRARIES = libstrongswan-kernel-pfkey.la + +libstrongswan_kernel_pfkey_la_SOURCES = kernel_pfkey_plugin.h kernel_pfkey_plugin.c \ + kernel_pfkey_ipsec.h kernel_pfkey_ipsec.c +libstrongswan_kernel_pfkey_la_LDFLAGS = -module diff --git a/src/charon/plugins/kernel_pfkey/Makefile.in b/src/charon/plugins/kernel_pfkey/Makefile.in new file mode 100644 index 000000000..41bad9715 --- /dev/null +++ b/src/charon/plugins/kernel_pfkey/Makefile.in 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* under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * $Id: kernel_pfkey_ipsec.c 4662 2008-11-16 21:19:58Z andreas $ + */ + +#include <sys/types.h> +#include <sys/socket.h> +#include <stdint.h> +#include <linux/ipsec.h> +#include <linux/pfkeyv2.h> +#include <linux/udp.h> +#include <unistd.h> +#include <pthread.h> +#include <errno.h> + +#include "kernel_pfkey_ipsec.h" + +#include <daemon.h> +#include <utils/host.h> +#include <utils/mutex.h> +#include <processing/jobs/callback_job.h> +#include <processing/jobs/acquire_job.h> +#include <processing/jobs/migrate_job.h> +#include <processing/jobs/rekey_child_sa_job.h> +#include <processing/jobs/delete_child_sa_job.h> +#include <processing/jobs/update_sa_job.h> + +/** from linux/in.h */ +#ifndef IP_IPSEC_POLICY +#define IP_IPSEC_POLICY 16 +#endif + +/** default priority of installed policies */ +#define PRIO_LOW 3000 +#define PRIO_HIGH 2000 + +/** buffer size for PF_KEY messages */ +#define PFKEY_BUFFER_SIZE 4096 + +/** PF_KEY messages are 64 bit aligned */ +#define PFKEY_ALIGNMENT 8 +/** aligns len to 64 bits */ +#define PFKEY_ALIGN(len) (((len) + PFKEY_ALIGNMENT - 1) & ~(PFKEY_ALIGNMENT - 1)) +/** calculates the properly padded length in 64 bit chunks */ +#define PFKEY_LEN(len) ((PFKEY_ALIGN(len) / PFKEY_ALIGNMENT)) +/** calculates user mode length i.e. in bytes */ +#define PFKEY_USER_LEN(len) ((len) * PFKEY_ALIGNMENT) + +/** given a PF_KEY message header and an extension this updates the length in the header */ +#define PFKEY_EXT_ADD(msg, ext) ((msg)->sadb_msg_len += ((struct sadb_ext*)ext)->sadb_ext_len) +/** given a PF_KEY message header this returns a pointer to the next extension */ +#define PFKEY_EXT_ADD_NEXT(msg) ((struct sadb_ext*)(((char*)(msg)) + PFKEY_USER_LEN((msg)->sadb_msg_len))) +/** copy an extension and append it to a PF_KEY message */ +#define PFKEY_EXT_COPY(msg, ext) (PFKEY_EXT_ADD(msg, memcpy(PFKEY_EXT_ADD_NEXT(msg), ext, PFKEY_USER_LEN(((struct sadb_ext*)ext)->sadb_ext_len)))) +/** given a PF_KEY extension this returns a pointer to the next extension */ +#define PFKEY_EXT_NEXT(ext) ((struct sadb_ext*)(((char*)(ext)) + PFKEY_USER_LEN(((struct sadb_ext*)ext)->sadb_ext_len))) +/** given a PF_KEY extension this returns a pointer to the next extension also updates len (len in 64 bit words) */ +#define PFKEY_EXT_NEXT_LEN(ext,len) ((len) -= (ext)->sadb_ext_len, PFKEY_EXT_NEXT(ext)) +/** true if ext has a valid length and len is large enough to contain ext (assuming len in 64 bit words) */ +#define PFKEY_EXT_OK(ext,len) ((len) >= PFKEY_LEN(sizeof(struct sadb_ext)) && \ + (ext)->sadb_ext_len >= PFKEY_LEN(sizeof(struct sadb_ext)) && \ + (ext)->sadb_ext_len <= (len)) + +typedef struct private_kernel_pfkey_ipsec_t private_kernel_pfkey_ipsec_t; + +/** + * Private variables and functions of kernel_pfkey class. + */ +struct private_kernel_pfkey_ipsec_t +{ + /** + * Public part of the kernel_pfkey_t object. + */ + kernel_pfkey_ipsec_t public; + + /** + * mutex to lock access to various lists + */ + mutex_t *mutex; + + /** + * List of installed policies (policy_entry_t) + */ + linked_list_t *policies; + + /** + * whether to install routes along policies + */ + bool install_routes; + + /** + * job receiving PF_KEY events + */ + callback_job_t *job; + + /** + * mutex to lock access to the PF_KEY socket + */ + mutex_t *mutex_pfkey; + + /** + * PF_KEY socket to communicate with the kernel + */ + int socket; + + /** + * PF_KEY socket to receive acquire and expire events + */ + int socket_events; + + /** + * sequence number for messages sent to the kernel + */ + int seq; +}; + +typedef struct route_entry_t route_entry_t; + +/** + * installed routing entry + */ +struct route_entry_t { + /** Name of the interface the route is bound to */ + char *if_name; + + /** Source ip of the route */ + host_t *src_ip; + + /** gateway for this route */ + host_t *gateway; + + /** Destination net */ + chunk_t dst_net; + + /** Destination net prefixlen */ + u_int8_t prefixlen; +}; + +/** + * destroy an route_entry_t object + */ +static void route_entry_destroy(route_entry_t *this) +{ + free(this->if_name); + this->src_ip->destroy(this->src_ip); + this->gateway->destroy(this->gateway); + chunk_free(&this->dst_net); + free(this); +} + +typedef struct policy_entry_t policy_entry_t; + +/** + * installed kernel policy. + */ +struct policy_entry_t { + + /** reqid of this policy */ + u_int32_t reqid; + + /** index assigned by the kernel */ + u_int32_t index; + + /** direction of this policy: in, out, forward */ + u_int8_t direction; + + /** parameters of installed policy */ + struct { + /** subnet and port */ + host_t *net; + /** subnet mask */ + u_int8_t mask; + /** protocol */ + u_int8_t proto; + } src, dst; + + /** associated route installed for this policy */ + route_entry_t *route; + + /** by how many CHILD_SA's this policy is used */ + u_int refcount; +}; + +/** + * create a policy_entry_t object + */ +static policy_entry_t *create_policy_entry(traffic_selector_t *src_ts, + traffic_selector_t *dst_ts, policy_dir_t dir, u_int32_t reqid) +{ + policy_entry_t *policy = malloc_thing(policy_entry_t); + policy->reqid = reqid; + policy->index = 0; + policy->direction = dir; + policy->route = NULL; + policy->refcount = 0; + + src_ts->to_subnet(src_ts, &policy->src.net, &policy->src.mask); + dst_ts->to_subnet(dst_ts, &policy->dst.net, &policy->dst.mask); + + /* src or dest proto may be "any" (0), use more restrictive one */ + policy->src.proto = max(src_ts->get_protocol(src_ts), dst_ts->get_protocol(dst_ts)); + policy->src.proto = policy->src.proto ? policy->src.proto : IPSEC_PROTO_ANY; + policy->dst.proto = policy->src.proto; + + return policy; +} + +/** + * destroy a policy_entry_t object + */ +static void policy_entry_destroy(policy_entry_t *this) +{ + DESTROY_IF(this->src.net); + DESTROY_IF(this->dst.net); + if (this->route) + { + route_entry_destroy(this->route); + } + free(this); +} + +/** + * compares two policy_entry_t + */ +static inline bool policy_entry_equals(policy_entry_t *current, policy_entry_t *policy) +{ + return current->direction == policy->direction && + current->src.proto == policy->src.proto && + current->dst.proto == policy->dst.proto && + current->src.mask == policy->src.mask && + current->dst.mask == policy->dst.mask && + current->src.net->equals(current->src.net, policy->src.net) && + current->dst.net->equals(current->dst.net, policy->dst.net); +} + +/** + * compare the given kernel index with that of a policy + */ +static inline bool policy_entry_match_byindex(policy_entry_t *current, u_int32_t *index) +{ + return current->index == *index; +} + +typedef struct pfkey_msg_t pfkey_msg_t; + +struct pfkey_msg_t +{ + /** + * PF_KEY message base + */ + struct sadb_msg *msg; + + + /** + * PF_KEY message extensions + */ + union { + struct sadb_ext *ext[SADB_EXT_MAX + 1]; + struct { + struct sadb_ext *reserved; /* SADB_EXT_RESERVED */ + struct sadb_sa *sa; /* SADB_EXT_SA */ + struct sadb_lifetime *lft_current; /* SADB_EXT_LIFETIME_CURRENT */ + struct sadb_lifetime *lft_hard; /* SADB_EXT_LIFETIME_HARD */ + struct sadb_lifetime *lft_soft; /* SADB_EXT_LIFETIME_SOFT */ + struct sadb_address *src; /* SADB_EXT_ADDRESS_SRC */ + struct sadb_address *dst; /* SADB_EXT_ADDRESS_DST */ + struct sadb_address *proxy; /* SADB_EXT_ADDRESS_PROXY */ + struct sadb_key *key_auth; /* SADB_EXT_KEY_AUTH */ + struct sadb_key *key_encr; /* SADB_EXT_KEY_ENCRYPT */ + struct sadb_ident *id_src; /* SADB_EXT_IDENTITY_SRC */ + struct sadb_ident *id_dst; /* SADB_EXT_IDENTITY_DST */ + struct sadb_sens *sensitivity; /* SADB_EXT_SENSITIVITY */ + struct sadb_prop *proposal; /* SADB_EXT_PROPOSAL */ + struct sadb_supported *supported_auth; /* SADB_EXT_SUPPORTED_AUTH */ + struct sadb_supported *supported_encr; /* SADB_EXT_SUPPORTED_ENCRYPT */ + struct sadb_spirange *spirange; /* SADB_EXT_SPIRANGE */ + struct sadb_x_kmprivate *x_kmprivate; /* SADB_X_EXT_KMPRIVATE */ + struct sadb_x_policy *x_policy; /* SADB_X_EXT_POLICY */ + struct sadb_x_sa2 *x_sa2; /* SADB_X_EXT_SA2 */ + struct sadb_x_nat_t_type *x_natt_type; /* SADB_X_EXT_NAT_T_TYPE */ + struct sadb_x_nat_t_port *x_natt_sport; /* SADB_X_EXT_NAT_T_SPORT */ + struct sadb_x_nat_t_port *x_natt_dport; /* SADB_X_EXT_NAT_T_DPORT */ + struct sadb_address *x_natt_oa; /* SADB_X_EXT_NAT_T_OA */ + struct sadb_x_sec_ctx *x_sec_ctx; /* SADB_X_EXT_SEC_CTX */ + struct sadb_x_kmaddress *x_kmaddress; /* SADB_X_EXT_KMADDRESS */ + } __attribute__((__packed__)); + }; +}; + +ENUM(sadb_ext_type_names, SADB_EXT_RESERVED, SADB_X_EXT_KMADDRESS, + "SADB_EXT_RESERVED", + "SADB_EXT_SA", + "SADB_EXT_LIFETIME_CURRENT", + "SADB_EXT_LIFETIME_HARD", + "SADB_EXT_LIFETIME_SOFT", + "SADB_EXT_ADDRESS_SRC", + "SADB_EXT_ADDRESS_DST", + "SADB_EXT_ADDRESS_PROXY", + "SADB_EXT_KEY_AUTH", + "SADB_EXT_KEY_ENCRYPT", + "SADB_EXT_IDENTITY_SRC", + "SADB_EXT_IDENTITY_DST", + "SADB_EXT_SENSITIVITY", + "SADB_EXT_PROPOSAL", + "SADB_EXT_SUPPORTED_AUTH", + "SADB_EXT_SUPPORTED_ENCRYPT", + "SADB_EXT_SPIRANGE", + "SADB_X_EXT_KMPRIVATE", + "SADB_X_EXT_POLICY", + "SADB_X_EXT_SA2", + "SADB_X_EXT_NAT_T_TYPE", + "SADB_X_EXT_NAT_T_SPORT", + "SADB_X_EXT_NAT_T_DPORT", + "SADB_X_EXT_NAT_T_OA", + "SADB_X_EXT_SEC_CTX", + "SADB_X_EXT_KMADDRESS" +); +/** + * convert a IKEv2 specific protocol identifier to the PF_KEY sa type + */ +static u_int8_t proto_ike2satype(protocol_id_t proto) +{ + switch (proto) + { + case PROTO_ESP: + return SADB_SATYPE_ESP; + case PROTO_AH: + return SADB_SATYPE_AH; + case IPPROTO_COMP: + return SADB_X_SATYPE_IPCOMP; + default: + return proto; + } +} + +/** + * convert a PF_KEY sa type to a IKEv2 specific protocol identifier + */ +static protocol_id_t proto_satype2ike(u_int8_t proto) +{ + switch (proto) + { + case SADB_SATYPE_ESP: + return PROTO_ESP; + case SADB_SATYPE_AH: + return PROTO_AH; + case SADB_X_SATYPE_IPCOMP: + return IPPROTO_COMP; + default: + return proto; + } +} + +/** + * convert a IKEv2 specific protocol identifier to the IP protocol identifier + */ +static u_int8_t proto_ike2ip(protocol_id_t proto) +{ + switch (proto) + { + case PROTO_ESP: + return IPPROTO_ESP; + case PROTO_AH: + return IPPROTO_AH; + default: + return proto; + } +} + +/** + * convert the general ipsec mode to the one defined in ipsec.h + */ +static u_int8_t mode2kernel(ipsec_mode_t mode) +{ + switch (mode) + { + case MODE_TRANSPORT: + return IPSEC_MODE_TRANSPORT; + case MODE_TUNNEL: + return IPSEC_MODE_TUNNEL; + case MODE_BEET: + return IPSEC_MODE_BEET; + default: + return mode; + } +} + +/** + * convert the general policy direction to the one defined in ipsec.h + */ +static u_int8_t dir2kernel(policy_dir_t dir) +{ + switch (dir) + { + case POLICY_IN: + return IPSEC_DIR_INBOUND; + case POLICY_OUT: + return IPSEC_DIR_OUTBOUND; + case POLICY_FWD: + return IPSEC_DIR_FWD; + default: + return dir; + } +} + +/** + * convert the policy direction in ipsec.h to the general one. + */ +static policy_dir_t kernel2dir(u_int8_t dir) +{ + switch (dir) + { + case IPSEC_DIR_INBOUND: + return POLICY_IN; + case IPSEC_DIR_OUTBOUND: + return POLICY_OUT; + case IPSEC_DIR_FWD: + return POLICY_FWD; + default: + return dir; + } +} +typedef struct kernel_algorithm_t kernel_algorithm_t; + +/** + * Mapping of IKEv2 algorithms to PF_KEY algorithms + */ +struct kernel_algorithm_t { + /** + * Identifier specified in IKEv2 + */ + int ikev2; + + /** + * Identifier as defined in pfkeyv2.h + */ + int kernel; +}; + +#define END_OF_LIST -1 + +/** + * Algorithms for encryption + */ +static kernel_algorithm_t encryption_algs[] = { +/* {ENCR_DES_IV64, 0 }, */ + {ENCR_DES, SADB_EALG_DESCBC }, + {ENCR_3DES, SADB_EALG_3DESCBC }, +/* {ENCR_RC5, 0 }, */ +/* {ENCR_IDEA, 0 }, */ + {ENCR_CAST, SADB_X_EALG_CASTCBC }, + {ENCR_BLOWFISH, SADB_X_EALG_BLOWFISHCBC }, +/* {ENCR_3IDEA, 0 }, */ +/* {ENCR_DES_IV32, 0 }, */ + {ENCR_NULL, SADB_EALG_NULL }, + {ENCR_AES_CBC, SADB_X_EALG_AESCBC }, +/* {ENCR_AES_CTR, SADB_X_EALG_AESCTR }, */ +/* {ENCR_AES_CCM_ICV8, SADB_X_EALG_AES_CCM_ICV8 }, */ +/* {ENCR_AES_CCM_ICV12, SADB_X_EALG_AES_CCM_ICV12 }, */ +/* {ENCR_AES_CCM_ICV16, SADB_X_EALG_AES_CCM_ICV16 }, */ +/* {ENCR_AES_GCM_ICV8, SADB_X_EALG_AES_GCM_ICV8 }, */ +/* {ENCR_AES_GCM_ICV12, SADB_X_EALG_AES_GCM_ICV12 }, */ +/* {ENCR_AES_GCM_ICV16, SADB_X_EALG_AES_GCM_ICV16 }, */ + {END_OF_LIST, 0 }, +}; + +/** + * Algorithms for integrity protection + */ +static kernel_algorithm_t integrity_algs[] = { + {AUTH_HMAC_MD5_96, SADB_AALG_MD5HMAC }, + {AUTH_HMAC_SHA1_96, SADB_AALG_SHA1HMAC }, + {AUTH_HMAC_SHA2_256_128, SADB_X_AALG_SHA2_256HMAC }, + {AUTH_HMAC_SHA2_384_192, SADB_X_AALG_SHA2_384HMAC }, + {AUTH_HMAC_SHA2_512_256, SADB_X_AALG_SHA2_512HMAC }, +/* {AUTH_DES_MAC, 0, }, */ +/* {AUTH_KPDK_MD5, 0, }, */ + {AUTH_AES_XCBC_96, SADB_X_AALG_AES_XCBC_MAC, }, + {END_OF_LIST, 0, }, +}; + +#if 0 +/** + * Algorithms for IPComp, unused yet + */ +static kernel_algorithm_t compression_algs[] = { +/* {IPCOMP_OUI, 0 }, */ + {IPCOMP_DEFLATE, SADB_X_CALG_DEFLATE }, + {IPCOMP_LZS, SADB_X_CALG_LZS }, + {IPCOMP_LZJH, SADB_X_CALG_LZJH }, + {END_OF_LIST, 0 }, +}; +#endif + +/** + * Look up a kernel algorithm ID and its key size + */ +static int lookup_algorithm(kernel_algorithm_t *list, int ikev2) +{ + while (list->ikev2 != END_OF_LIST) + { + if (ikev2 == list->ikev2) + { + return list->kernel; + } + list++; + } + return 0; +} + +/** + * add a host behind a sadb_address extension + */ +static void host2ext(host_t *host, struct sadb_address *ext) +{ + sockaddr_t *host_addr = host->get_sockaddr(host); + socklen_t *len = host->get_sockaddr_len(host); + memcpy((char*)(ext + 1), host_addr, *len); + ext->sadb_address_len = PFKEY_LEN(sizeof(*ext) + *len); +} + +/** + * add udp encap extensions to a sadb_msg + */ +static void add_encap_ext(struct sadb_msg *msg, host_t *src, host_t *dst) +{ + struct sadb_x_nat_t_type* nat_type; + struct sadb_x_nat_t_port* nat_port; + + nat_type = (struct sadb_x_nat_t_type*)PFKEY_EXT_ADD_NEXT(msg); + nat_type->sadb_x_nat_t_type_exttype = SADB_X_EXT_NAT_T_TYPE; + nat_type->sadb_x_nat_t_type_len = PFKEY_LEN(sizeof(struct sadb_x_nat_t_type)); + nat_type->sadb_x_nat_t_type_type = UDP_ENCAP_ESPINUDP; + PFKEY_EXT_ADD(msg, nat_type); + + nat_port = (struct sadb_x_nat_t_port*)PFKEY_EXT_ADD_NEXT(msg); + nat_port->sadb_x_nat_t_port_exttype = SADB_X_EXT_NAT_T_SPORT; + nat_port->sadb_x_nat_t_port_len = PFKEY_LEN(sizeof(struct sadb_x_nat_t_port)); + nat_port->sadb_x_nat_t_port_port = htons(src->get_port(src)); + PFKEY_EXT_ADD(msg, nat_port); + + nat_port = (struct sadb_x_nat_t_port*)PFKEY_EXT_ADD_NEXT(msg); + nat_port->sadb_x_nat_t_port_exttype = SADB_X_EXT_NAT_T_DPORT; + nat_port->sadb_x_nat_t_port_len = PFKEY_LEN(sizeof(struct sadb_x_nat_t_port)); + nat_port->sadb_x_nat_t_port_port = htons(dst->get_port(dst)); + PFKEY_EXT_ADD(msg, nat_port); +} + +/** + * Convert a sadb_address to a traffic_selector + */ +static traffic_selector_t* sadb_address2ts(struct sadb_address *address) +{ + traffic_selector_t *ts; + host_t *host; + + /* The Linux 2.6 kernel does not set the protocol and port information + * in the src and dst sadb_address extensions of the SADB_ACQUIRE message. + */ + host = host_create_from_sockaddr((sockaddr_t*)&address[1]) ; + ts = traffic_selector_create_from_subnet(host, address->sadb_address_prefixlen, + address->sadb_address_proto, host->get_port(host)); + host->destroy(host); + return ts; +} + +/** + * Parses a pfkey message received from the kernel + */ +static status_t parse_pfkey_message(struct sadb_msg *msg, pfkey_msg_t *out) +{ + struct sadb_ext* ext; + size_t len; + + memset(out, 0, sizeof(pfkey_msg_t)); + out->msg = msg; + + len = msg->sadb_msg_len; + len -= PFKEY_LEN(sizeof(struct sadb_msg)); + + ext = (struct sadb_ext*)(((char*)msg) + sizeof(struct sadb_msg)); + + while (len >= PFKEY_LEN(sizeof(struct sadb_ext))) + { + DBG2(DBG_KNL, " %N", sadb_ext_type_names, ext->sadb_ext_type); + if (ext->sadb_ext_len < PFKEY_LEN(sizeof(struct sadb_ext)) || + ext->sadb_ext_len > len) + { + DBG1(DBG_KNL, "length of %N extension is invalid", + sadb_ext_type_names, ext->sadb_ext_type); + break; + } + + if ((ext->sadb_ext_type > SADB_EXT_MAX) || (!ext->sadb_ext_type)) + { + DBG1(DBG_KNL, "type of PF_KEY extension (%d) is invalid", ext->sadb_ext_type); + break; + } + + if (out->ext[ext->sadb_ext_type]) + { + DBG1(DBG_KNL, "duplicate %N extension", + sadb_ext_type_names, ext->sadb_ext_type); + break; + } + + out->ext[ext->sadb_ext_type] = ext; + ext = PFKEY_EXT_NEXT_LEN(ext, len); + } + + if (len) + { + DBG1(DBG_KNL, "PF_KEY message length is invalid"); + return FAILED; + } + + return SUCCESS; +} + +/** + * Send a message to a specific PF_KEY socket and handle the response. + */ +static status_t pfkey_send_socket(private_kernel_pfkey_ipsec_t *this, int socket, + struct sadb_msg *in, struct sadb_msg **out, size_t *out_len) +{ + unsigned char buf[PFKEY_BUFFER_SIZE]; + struct sadb_msg *msg; + int in_len, len; + + this->mutex_pfkey->lock(this->mutex_pfkey); + + in->sadb_msg_seq = ++this->seq; + in->sadb_msg_pid = getpid(); + + in_len = PFKEY_USER_LEN(in->sadb_msg_len); + + while (TRUE) + { + len = send(socket, in, in_len, 0); + + if (len != in_len) + { + if (errno == EINTR) + { + /* interrupted, try again */ + continue; + } + this->mutex_pfkey->unlock(this->mutex_pfkey); + DBG1(DBG_KNL, "error sending to PF_KEY socket: %s", strerror(errno)); + return FAILED; + } + break; + } + + while (TRUE) + { + msg = (struct sadb_msg*)buf; + + len = recv(socket, buf, sizeof(buf), 0); + + if (len < 0) + { + if (errno == EINTR) + { + DBG1(DBG_KNL, "got interrupted"); + /* interrupted, try again */ + continue; + } + DBG1(DBG_KNL, "error reading from PF_KEY socket: %s", strerror(errno)); + this->mutex_pfkey->unlock(this->mutex_pfkey); + return FAILED; + } + if (len < sizeof(struct sadb_msg) || + msg->sadb_msg_len < PFKEY_LEN(sizeof(struct sadb_msg))) + { + DBG1(DBG_KNL, "received corrupted PF_KEY message"); + this->mutex_pfkey->unlock(this->mutex_pfkey); + return FAILED; + } + if (msg->sadb_msg_len > len / PFKEY_ALIGNMENT) + { + DBG1(DBG_KNL, "buffer was too small to receive the complete PF_KEY message"); + this->mutex_pfkey->unlock(this->mutex_pfkey); + return FAILED; + } + if (msg->sadb_msg_pid != in->sadb_msg_pid) + { + DBG2(DBG_KNL, "received PF_KEY message is not intended for us"); + continue; + } + if (msg->sadb_msg_seq != this->seq) + { + DBG1(DBG_KNL, "received PF_KEY message with invalid sequence number, " + "was %d expected %d", msg->sadb_msg_seq, this->seq); + if (msg->sadb_msg_seq < this->seq) + { + continue; + } + this->mutex_pfkey->unlock(this->mutex_pfkey); + return FAILED; + } + if (msg->sadb_msg_type != in->sadb_msg_type) + { + DBG2(DBG_KNL, "received PF_KEY message of wrong type, " + "was %d expected %d, ignoring", + msg->sadb_msg_type, in->sadb_msg_type); + } + break; + } + + *out_len = len; + *out = (struct sadb_msg*)malloc(len); + memcpy(*out, buf, len); + + this->mutex_pfkey->unlock(this->mutex_pfkey); + + return SUCCESS; +} + +/** + * Send a message to the default PF_KEY socket and handle the response. + */ +static status_t pfkey_send(private_kernel_pfkey_ipsec_t *this, + struct sadb_msg *in, struct sadb_msg **out, size_t *out_len) +{ + return pfkey_send_socket(this, this->socket, in, out, out_len); +} + +/** + * Process a SADB_ACQUIRE message from the kernel + */ +static void process_acquire(private_kernel_pfkey_ipsec_t *this, struct sadb_msg* msg) +{ + pfkey_msg_t response; + u_int32_t index, reqid = 0; + traffic_selector_t *src_ts, *dst_ts; + policy_entry_t *policy; + job_t *job; + + switch (msg->sadb_msg_satype) + { + case SADB_SATYPE_UNSPEC: + case SADB_SATYPE_ESP: + case SADB_SATYPE_AH: + break; + default: + /* acquire for AH/ESP only */ + return; + } + DBG2(DBG_KNL, "received an SADB_ACQUIRE"); + + if (parse_pfkey_message(msg, &response) != SUCCESS) + { + DBG1(DBG_KNL, "parsing SADB_ACQUIRE from kernel failed"); + return; + } + + index = response.x_policy->sadb_x_policy_id; + this->mutex->lock(this->mutex); + if (this->policies->find_first(this->policies, + (linked_list_match_t)policy_entry_match_byindex, (void**)&policy, &index) == SUCCESS) + { + reqid = policy->reqid; + } + else + { + DBG1(DBG_KNL, "received an SADB_ACQUIRE with policy id %d but no matching policy found", + index); + } + src_ts = sadb_address2ts(response.src); + dst_ts = sadb_address2ts(response.dst); + this->mutex->unlock(this->mutex); + + DBG1(DBG_KNL, "creating acquire job for policy %R === %R with reqid {%u}", + src_ts, dst_ts, reqid); + job = (job_t*)acquire_job_create(reqid, src_ts, dst_ts); + charon->processor->queue_job(charon->processor, job); +} + +/** + * Process a SADB_EXPIRE message from the kernel + */ +static void process_expire(private_kernel_pfkey_ipsec_t *this, struct sadb_msg* msg) +{ + pfkey_msg_t response; + protocol_id_t protocol; + u_int32_t spi, reqid; + bool hard; + job_t *job; + + DBG2(DBG_KNL, "received an SADB_EXPIRE"); + + if (parse_pfkey_message(msg, &response) != SUCCESS) + { + DBG1(DBG_KNL, "parsing SADB_EXPIRE from kernel failed"); + return; + } + + protocol = proto_satype2ike(msg->sadb_msg_satype); + spi = response.sa->sadb_sa_spi; + reqid = response.x_sa2->sadb_x_sa2_reqid; + hard = response.lft_hard != NULL; + + if (protocol != PROTO_ESP && protocol != PROTO_AH) + { + DBG2(DBG_KNL, "ignoring SADB_EXPIRE for SA with SPI %.8x and reqid {%u} " + "which is not a CHILD_SA", ntohl(spi), reqid); + return; + } + + DBG1(DBG_KNL, "creating %s job for %N CHILD_SA with SPI %.8x and reqid {%u}", + hard ? "delete" : "rekey", protocol_id_names, + protocol, ntohl(spi), reqid); + if (hard) + { + job = (job_t*)delete_child_sa_job_create(reqid, protocol, spi); + } + else + { + job = (job_t*)rekey_child_sa_job_create(reqid, protocol, spi); + } + charon->processor->queue_job(charon->processor, job); +} + +/** + * Process a SADB_MIGRATE message from the kernel + */ +static void process_migrate(private_kernel_pfkey_ipsec_t *this, struct sadb_msg* msg) +{ + pfkey_msg_t response; + traffic_selector_t *src_ts, *dst_ts; + policy_dir_t dir; + u_int32_t reqid = 0; + host_t *local = NULL, *remote = NULL; + job_t *job; + + DBG2(DBG_KNL, "received an SADB_X_MIGRATE"); + + if (parse_pfkey_message(msg, &response) != SUCCESS) + { + DBG1(DBG_KNL, "parsing SADB_X_MIGRATE from kernel failed"); + return; + } + src_ts = sadb_address2ts(response.src); + dst_ts = sadb_address2ts(response.dst); + dir = kernel2dir(response.x_policy->sadb_x_policy_dir); + DBG2(DBG_KNL, " policy %R === %R %N, id %u", src_ts, dst_ts, + policy_dir_names, dir); + + /* SADB_X_EXT_KMADDRESS is not present in unpatched kernels < 2.6.28 */ + if (response.x_kmaddress) + { + sockaddr_t *local_addr, *remote_addr; + u_int32_t local_len; + + local_addr = (sockaddr_t*)&response.x_kmaddress[1]; + local = host_create_from_sockaddr(local_addr); + local_len = (local_addr->sa_family == AF_INET6)? + sizeof(struct sockaddr_in6) : sizeof(struct sockaddr_in); + remote_addr = (sockaddr_t*)((u_int8_t*)local_addr + local_len); + remote = host_create_from_sockaddr(remote_addr); + DBG2(DBG_KNL, " kmaddress: %H...%H", local, remote); + } + + if (src_ts && dst_ts && local && remote) + { + DBG1(DBG_KNL, "creating migrate job for policy %R === %R %N with reqid {%u}", + src_ts, dst_ts, policy_dir_names, dir, reqid, local); + job = (job_t*)migrate_job_create(reqid, src_ts, dst_ts, dir, + local, remote); + charon->processor->queue_job(charon->processor, job); + } + else + { + DESTROY_IF(src_ts); + DESTROY_IF(dst_ts); + DESTROY_IF(local); + DESTROY_IF(remote); + } +} + +/** + * Process a SADB_X_NAT_T_NEW_MAPPING message from the kernel + */ +static void process_mapping(private_kernel_pfkey_ipsec_t *this, struct sadb_msg* msg) +{ + pfkey_msg_t response; + u_int32_t spi, reqid; + host_t *host; + job_t *job; + + DBG2(DBG_KNL, "received an SADB_X_NAT_T_NEW_MAPPING"); + + if (parse_pfkey_message(msg, &response) != SUCCESS) + { + DBG1(DBG_KNL, "parsing SADB_X_NAT_T_NEW_MAPPING from kernel failed"); + return; + } + + if (!response.x_sa2) + { + DBG1(DBG_KNL, "received SADB_X_NAT_T_NEW_MAPPING is missing required information"); + return; + } + + spi = response.sa->sadb_sa_spi; + reqid = response.x_sa2->sadb_x_sa2_reqid; + + if (proto_satype2ike(msg->sadb_msg_satype) == PROTO_ESP) + { + sockaddr_t *sa = (sockaddr_t*)(response.dst + 1); + switch (sa->sa_family) + { + case AF_INET: + { + struct sockaddr_in *sin = (struct sockaddr_in*)sa; + sin->sin_port = htons(response.x_natt_dport->sadb_x_nat_t_port_port); + } + case AF_INET6: + { + struct sockaddr_in6 *sin6 = (struct sockaddr_in6*)sa; + sin6->sin6_port = htons(response.x_natt_dport->sadb_x_nat_t_port_port); + } + default: + break; + } + host = host_create_from_sockaddr(sa); + if (host) + { + DBG1(DBG_KNL, "NAT mappings of ESP CHILD_SA with SPI %.8x and " + "reqid {%u} changed, queuing update job", ntohl(spi), reqid); + job = (job_t*)update_sa_job_create(reqid, host); + charon->processor->queue_job(charon->processor, job); + } + } +} + +/** + * Receives events from kernel + */ +static job_requeue_t receive_events(private_kernel_pfkey_ipsec_t *this) +{ + unsigned char buf[PFKEY_BUFFER_SIZE]; + struct sadb_msg *msg = (struct sadb_msg*)buf; + int len, oldstate; + + pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &oldstate); + len = recv(this->socket_events, buf, sizeof(buf), 0); + pthread_setcancelstate(oldstate, NULL); + + if (len < 0) + { + switch (errno) + { + case EINTR: + /* interrupted, try again */ + return JOB_REQUEUE_DIRECT; + case EAGAIN: + /* no data ready, select again */ + return JOB_REQUEUE_DIRECT; + default: + DBG1(DBG_KNL, "unable to receive from PF_KEY event socket"); + sleep(1); + return JOB_REQUEUE_FAIR; + } + } + + if (len < sizeof(struct sadb_msg) || + msg->sadb_msg_len < PFKEY_LEN(sizeof(struct sadb_msg))) + { + DBG2(DBG_KNL, "received corrupted PF_KEY message"); + return JOB_REQUEUE_DIRECT; + } + if (msg->sadb_msg_pid != 0) + { /* not from kernel. not interested, try another one */ + return JOB_REQUEUE_DIRECT; + } + if (msg->sadb_msg_len > len / PFKEY_ALIGNMENT) + { + DBG1(DBG_KNL, "buffer was too small to receive the complete PF_KEY message"); + return JOB_REQUEUE_DIRECT; + } + + switch (msg->sadb_msg_type) + { + case SADB_ACQUIRE: + process_acquire(this, msg); + break; + case SADB_EXPIRE: + process_expire(this, msg); + break; + case SADB_X_MIGRATE: + process_migrate(this, msg); + break; + case SADB_X_NAT_T_NEW_MAPPING: + process_mapping(this, msg); + break; + default: + break; + } + + return JOB_REQUEUE_DIRECT; +} + +/** + * Implementation of kernel_interface_t.get_spi. + */ +static status_t get_spi(private_kernel_pfkey_ipsec_t *this, + host_t *src, host_t *dst, + protocol_id_t protocol, u_int32_t reqid, + u_int32_t *spi) +{ + unsigned char request[PFKEY_BUFFER_SIZE]; + struct sadb_msg *msg, *out; + struct sadb_x_sa2 *sa2; + struct sadb_address *addr; + struct sadb_spirange *range; + pfkey_msg_t response; + u_int32_t received_spi = 0; + size_t len; + + memset(&request, 0, sizeof(request)); + + msg = (struct sadb_msg*)request; + msg->sadb_msg_version = PF_KEY_V2; + msg->sadb_msg_type = SADB_GETSPI; + msg->sadb_msg_satype = proto_ike2satype(protocol); + msg->sadb_msg_len = PFKEY_LEN(sizeof(struct sadb_msg)); + + sa2 = (struct sadb_x_sa2*)PFKEY_EXT_ADD_NEXT(msg); + sa2->sadb_x_sa2_exttype = SADB_X_EXT_SA2; + sa2->sadb_x_sa2_len = PFKEY_LEN(sizeof(struct sadb_spirange)); + sa2->sadb_x_sa2_reqid = reqid; + PFKEY_EXT_ADD(msg, sa2); + + addr = (struct sadb_address*)PFKEY_EXT_ADD_NEXT(msg); + addr->sadb_address_exttype = SADB_EXT_ADDRESS_SRC; + host2ext(src, addr); + PFKEY_EXT_ADD(msg, addr); + + addr = (struct sadb_address*)PFKEY_EXT_ADD_NEXT(msg); + addr->sadb_address_exttype = SADB_EXT_ADDRESS_DST; + host2ext(dst, addr); + PFKEY_EXT_ADD(msg, addr); + + range = (struct sadb_spirange*)PFKEY_EXT_ADD_NEXT(msg); + range->sadb_spirange_exttype = SADB_EXT_SPIRANGE; + range->sadb_spirange_len = PFKEY_LEN(sizeof(struct sadb_spirange)); + range->sadb_spirange_min = 0xc0000000; + range->sadb_spirange_max = 0xcFFFFFFF; + PFKEY_EXT_ADD(msg, range); + + if (pfkey_send(this, msg, &out, &len) == SUCCESS) + { + if (out->sadb_msg_errno) + { + DBG1(DBG_KNL, "allocating SPI failed: %s (%d)", + strerror(out->sadb_msg_errno), out->sadb_msg_errno); + } + else if (parse_pfkey_message(out, &response) == SUCCESS) + { + received_spi = response.sa->sadb_sa_spi; + } + free(out); + } + + if (received_spi == 0) + { + return FAILED; + } + + *spi = received_spi; + return SUCCESS; +} + +/** + * Implementation of kernel_interface_t.get_cpi. + */ +static status_t get_cpi(private_kernel_pfkey_ipsec_t *this, + host_t *src, host_t *dst, + u_int32_t reqid, u_int16_t *cpi) +{ + return FAILED; +} + +/** + * Implementation of kernel_interface_t.add_sa. + */ +static status_t add_sa(private_kernel_pfkey_ipsec_t *this, + host_t *src, host_t *dst, u_int32_t spi, + protocol_id_t protocol, u_int32_t reqid, + u_int64_t expire_soft, u_int64_t expire_hard, + u_int16_t enc_alg, chunk_t enc_key, + u_int16_t int_alg, chunk_t int_key, + ipsec_mode_t mode, u_int16_t ipcomp, u_int16_t cpi, + bool encap, bool inbound) +{ + unsigned char request[PFKEY_BUFFER_SIZE]; + struct sadb_msg *msg, *out; + struct sadb_sa *sa; + struct sadb_x_sa2 *sa2; + struct sadb_address *addr; + struct sadb_lifetime *lft; + struct sadb_key *key; + size_t len; + + memset(&request, 0, sizeof(request)); + + DBG2(DBG_KNL, "adding SAD entry with SPI %.8x and reqid {%u}", ntohl(spi), reqid); + + msg = (struct sadb_msg*)request; + msg->sadb_msg_version = PF_KEY_V2; + msg->sadb_msg_type = inbound ? SADB_UPDATE : SADB_ADD; + msg->sadb_msg_satype = proto_ike2satype(protocol); + msg->sadb_msg_len = PFKEY_LEN(sizeof(struct sadb_msg)); + + sa = (struct sadb_sa*)PFKEY_EXT_ADD_NEXT(msg); + sa->sadb_sa_exttype = SADB_EXT_SA; + sa->sadb_sa_len = PFKEY_LEN(sizeof(struct sadb_sa)); + sa->sadb_sa_spi = spi; + sa->sadb_sa_replay = (protocol == IPPROTO_COMP) ? 0 : 32; + sa->sadb_sa_auth = lookup_algorithm(integrity_algs, int_alg); + sa->sadb_sa_encrypt = lookup_algorithm(encryption_algs, enc_alg); + PFKEY_EXT_ADD(msg, sa); + + sa2 = (struct sadb_x_sa2*)PFKEY_EXT_ADD_NEXT(msg); + sa2->sadb_x_sa2_exttype = SADB_X_EXT_SA2; + sa2->sadb_x_sa2_len = PFKEY_LEN(sizeof(struct sadb_spirange)); + sa2->sadb_x_sa2_mode = mode2kernel(mode); + sa2->sadb_x_sa2_reqid = reqid; + PFKEY_EXT_ADD(msg, sa2); + + addr = (struct sadb_address*)PFKEY_EXT_ADD_NEXT(msg); + addr->sadb_address_exttype = SADB_EXT_ADDRESS_SRC; + host2ext(src, addr); + PFKEY_EXT_ADD(msg, addr); + + addr = (struct sadb_address*)PFKEY_EXT_ADD_NEXT(msg); + addr->sadb_address_exttype = SADB_EXT_ADDRESS_DST; + host2ext(dst, addr); + PFKEY_EXT_ADD(msg, addr); + + lft = (struct sadb_lifetime*)PFKEY_EXT_ADD_NEXT(msg); + lft->sadb_lifetime_exttype = SADB_EXT_LIFETIME_SOFT; + lft->sadb_lifetime_len = PFKEY_LEN(sizeof(struct sadb_lifetime)); + lft->sadb_lifetime_addtime = expire_soft; + PFKEY_EXT_ADD(msg, lft); + + lft = (struct sadb_lifetime*)PFKEY_EXT_ADD_NEXT(msg); + lft->sadb_lifetime_exttype = SADB_EXT_LIFETIME_HARD; + lft->sadb_lifetime_len = PFKEY_LEN(sizeof(struct sadb_lifetime)); + lft->sadb_lifetime_addtime = expire_hard; + PFKEY_EXT_ADD(msg, lft); + + if (enc_alg != ENCR_UNDEFINED) + { + if (!sa->sadb_sa_encrypt) + { + DBG1(DBG_KNL, "algorithm %N not supported by kernel!", + encryption_algorithm_names, enc_alg); + return FAILED; + } + DBG2(DBG_KNL, " using encryption algorithm %N with key size %d", + encryption_algorithm_names, enc_alg, enc_key.len * 8); + + key = (struct sadb_key*)PFKEY_EXT_ADD_NEXT(msg); + key->sadb_key_exttype = SADB_EXT_KEY_ENCRYPT; + key->sadb_key_bits = enc_key.len * 8; + key->sadb_key_len = PFKEY_LEN(sizeof(struct sadb_key) + enc_key.len); + memcpy(key + 1, enc_key.ptr, enc_key.len); + + PFKEY_EXT_ADD(msg, key); + } + + if (int_alg != AUTH_UNDEFINED) + { + if (!sa->sadb_sa_auth) + { + DBG1(DBG_KNL, "algorithm %N not supported by kernel!", + integrity_algorithm_names, int_alg); + return FAILED; + } + DBG2(DBG_KNL, " using integrity algorithm %N with key size %d", + integrity_algorithm_names, int_alg, int_key.len * 8); + + key = (struct sadb_key*)PFKEY_EXT_ADD_NEXT(msg); + key->sadb_key_exttype = SADB_EXT_KEY_AUTH; + key->sadb_key_bits = int_key.len * 8; + key->sadb_key_len = PFKEY_LEN(sizeof(struct sadb_key) + int_key.len); + memcpy(key + 1, int_key.ptr, int_key.len); + + PFKEY_EXT_ADD(msg, key); + } + + if (ipcomp != IPCOMP_NONE) + { + /*TODO*/ + } + + if (encap) + { + add_encap_ext(msg, src, dst); + } + + if (pfkey_send(this, msg, &out, &len) != SUCCESS) + { + DBG1(DBG_KNL, "unable to add SAD entry with SPI %.8x", ntohl(spi)); + return FAILED; + } + else if (out->sadb_msg_errno) + { + DBG1(DBG_KNL, "unable to add SAD entry with SPI %.8x: %s (%d)", + ntohl(spi), strerror(out->sadb_msg_errno), out->sadb_msg_errno); + free(out); + return FAILED; + } + + free(out); + return SUCCESS; +} + +/** + * Implementation of kernel_interface_t.update_sa. + */ +static status_t update_sa(private_kernel_pfkey_ipsec_t *this, + u_int32_t spi, protocol_id_t protocol, u_int16_t cpi, + host_t *src, host_t *dst, + host_t *new_src, host_t *new_dst, + bool encap, bool new_encap) +{ + unsigned char request[PFKEY_BUFFER_SIZE]; + struct sadb_msg *msg, *out; + struct sadb_sa *sa; + struct sadb_address *addr; + pfkey_msg_t response; + size_t len; + + /* we can't update the SA if any of the ip addresses have changed. + * that's because we can't use SADB_UPDATE and by deleting and readding the + * SA the sequence numbers would get lost */ + if (!src->ip_equals(src, new_src) || + !dst->ip_equals(dst, new_dst)) + { + DBG1(DBG_KNL, "unable to update SAD entry with SPI %.8x: address changes" + " are not supported", ntohl(spi)); + return NOT_SUPPORTED; + } + + memset(&request, 0, sizeof(request)); + + DBG2(DBG_KNL, "querying SAD entry with SPI %.8x", ntohl(spi)); + + msg = (struct sadb_msg*)request; + msg->sadb_msg_version = PF_KEY_V2; + msg->sadb_msg_type = SADB_GET; + msg->sadb_msg_satype = proto_ike2satype(protocol); + msg->sadb_msg_len = PFKEY_LEN(sizeof(struct sadb_msg)); + + sa = (struct sadb_sa*)PFKEY_EXT_ADD_NEXT(msg); + sa->sadb_sa_exttype = SADB_EXT_SA; + sa->sadb_sa_len = PFKEY_LEN(sizeof(struct sadb_sa)); + sa->sadb_sa_spi = spi; + PFKEY_EXT_ADD(msg, sa); + + /* the kernel wants a SADB_EXT_ADDRESS_SRC to be present even though + * it is not used for anything, so we just send dst twice */ + addr = (struct sadb_address*)PFKEY_EXT_ADD_NEXT(msg); + addr->sadb_address_exttype = SADB_EXT_ADDRESS_SRC; + host2ext(dst, addr); + PFKEY_EXT_ADD(msg, addr); + + addr = (struct sadb_address*)PFKEY_EXT_ADD_NEXT(msg); + addr->sadb_address_exttype = SADB_EXT_ADDRESS_DST; + host2ext(dst, addr); + PFKEY_EXT_ADD(msg, addr); + + if (pfkey_send(this, msg, &out, &len) != SUCCESS) + { + DBG1(DBG_KNL, "unable to query SAD entry with SPI %.8x", + ntohl(spi)); + return FAILED; + } + else if (out->sadb_msg_errno) + { + DBG1(DBG_KNL, "unable to query SAD entry with SPI %.8x: %s (%d)", + ntohl(spi), strerror(out->sadb_msg_errno), out->sadb_msg_errno); + free(out); + return FAILED; + } + else if (parse_pfkey_message(out, &response) != SUCCESS) + { + DBG1(DBG_KNL, "unable to query SAD entry with SPI %.8x: parsing response " + "from kernel failed", ntohl(spi)); + free(out); + return FAILED; + } + + DBG2(DBG_KNL, "updating SAD entry with SPI %.8x from %#H..%#H to %#H..%#H", + ntohl(spi), src, dst, new_src, new_dst); + + memset(&request, 0, sizeof(request)); + + msg = (struct sadb_msg*)request; + msg->sadb_msg_version = PF_KEY_V2; + msg->sadb_msg_type = SADB_UPDATE; + msg->sadb_msg_satype = proto_ike2satype(protocol); + msg->sadb_msg_len = PFKEY_LEN(sizeof(struct sadb_msg)); + + PFKEY_EXT_COPY(msg, response.sa); + PFKEY_EXT_COPY(msg, response.x_sa2); + + PFKEY_EXT_COPY(msg, response.src); + PFKEY_EXT_COPY(msg, response.dst); + + PFKEY_EXT_COPY(msg, response.lft_soft); + PFKEY_EXT_COPY(msg, response.lft_hard); + + if (response.key_encr) + { + PFKEY_EXT_COPY(msg, response.key_encr); + } + + if (response.key_auth) + { + PFKEY_EXT_COPY(msg, response.key_auth); + } + + if (new_encap) + { + add_encap_ext(msg, new_src, new_dst); + } + + free(out); + + if (pfkey_send(this, msg, &out, &len) != SUCCESS) + { + DBG1(DBG_KNL, "unable to update SAD entry with SPI %.8x", ntohl(spi)); + return FAILED; + } + else if (out->sadb_msg_errno) + { + DBG1(DBG_KNL, "unable to update SAD entry with SPI %.8x: %s (%d)", + ntohl(spi), strerror(out->sadb_msg_errno), out->sadb_msg_errno); + free(out); + return FAILED; + } + free(out); + + return SUCCESS; +} + +/** + * Implementation of kernel_interface_t.del_sa. + */ +static status_t del_sa(private_kernel_pfkey_ipsec_t *this, host_t *dst, + u_int32_t spi, protocol_id_t protocol, u_int16_t cpi) +{ + unsigned char request[PFKEY_BUFFER_SIZE]; + struct sadb_msg *msg, *out; + struct sadb_sa *sa; + struct sadb_address *addr; + size_t len; + + memset(&request, 0, sizeof(request)); + + DBG2(DBG_KNL, "deleting SAD entry with SPI %.8x", ntohl(spi)); + + msg = (struct sadb_msg*)request; + msg->sadb_msg_version = PF_KEY_V2; + msg->sadb_msg_type = SADB_DELETE; + msg->sadb_msg_satype = proto_ike2satype(protocol); + msg->sadb_msg_len = PFKEY_LEN(sizeof(struct sadb_msg)); + + sa = (struct sadb_sa*)PFKEY_EXT_ADD_NEXT(msg); + sa->sadb_sa_exttype = SADB_EXT_SA; + sa->sadb_sa_len = PFKEY_LEN(sizeof(struct sadb_sa)); + sa->sadb_sa_spi = spi; + PFKEY_EXT_ADD(msg, sa); + + /* the kernel wants a SADB_EXT_ADDRESS_SRC to be present even though + * it is not used for anything, so we just send dst twice */ + addr = (struct sadb_address*)PFKEY_EXT_ADD_NEXT(msg); + addr->sadb_address_exttype = SADB_EXT_ADDRESS_SRC; + host2ext(dst, addr); + PFKEY_EXT_ADD(msg, addr); + + addr = (struct sadb_address*)PFKEY_EXT_ADD_NEXT(msg); + addr->sadb_address_exttype = SADB_EXT_ADDRESS_DST; + host2ext(dst, addr); + PFKEY_EXT_ADD(msg, addr); + + if (pfkey_send(this, msg, &out, &len) != SUCCESS) + { + DBG1(DBG_KNL, "unable to delete SAD entry with SPI %.8x", ntohl(spi)); + return FAILED; + } + else if (out->sadb_msg_errno) + { + DBG1(DBG_KNL, "unable to delete SAD entry with SPI %.8x: %s (%d)", + ntohl(spi), strerror(out->sadb_msg_errno), out->sadb_msg_errno); + free(out); + return FAILED; + } + + DBG2(DBG_KNL, "deleted SAD entry with SPI %.8x", ntohl(spi)); + free(out); + return SUCCESS; +} + +/** + * Implementation of kernel_interface_t.add_policy. + */ +static status_t add_policy(private_kernel_pfkey_ipsec_t *this, + host_t *src, host_t *dst, + traffic_selector_t *src_ts, + traffic_selector_t *dst_ts, + policy_dir_t direction, u_int32_t spi, + protocol_id_t protocol, u_int32_t reqid, + ipsec_mode_t mode, u_int16_t ipcomp, u_int16_t cpi, + bool routed) +{ + unsigned char request[PFKEY_BUFFER_SIZE]; + struct sadb_msg *msg, *out; + struct sadb_x_policy *pol; + struct sadb_address *addr; + struct sadb_x_ipsecrequest *req; + policy_entry_t *policy, *found = NULL; + pfkey_msg_t response; + size_t len; + + /* create a policy */ + policy = create_policy_entry(src_ts, dst_ts, direction, reqid); + + /* find a matching policy */ + this->mutex->lock(this->mutex); + if (this->policies->find_first(this->policies, + (linked_list_match_t)policy_entry_equals, (void**)&found, policy) == SUCCESS) + { + /* use existing policy */ + found->refcount++; + DBG2(DBG_KNL, "policy %R === %R %N already exists, increasing " + "refcount", src_ts, dst_ts, + policy_dir_names, direction); + policy_entry_destroy(policy); + policy = found; + } + else + { + /* apply the new one, if we have no such policy */ + this->policies->insert_last(this->policies, policy); + policy->refcount = 1; + } + + memset(&request, 0, sizeof(request)); + + DBG2(DBG_KNL, "adding policy %R === %R %N", src_ts, dst_ts, + policy_dir_names, direction); + + msg = (struct sadb_msg*)request; + msg->sadb_msg_version = PF_KEY_V2; + msg->sadb_msg_type = found ? SADB_X_SPDUPDATE : SADB_X_SPDADD; + msg->sadb_msg_satype = 0; + msg->sadb_msg_len = PFKEY_LEN(sizeof(struct sadb_msg)); + + pol = (struct sadb_x_policy*)PFKEY_EXT_ADD_NEXT(msg); + pol->sadb_x_policy_exttype = SADB_X_EXT_POLICY; + pol->sadb_x_policy_len = PFKEY_LEN(sizeof(struct sadb_x_policy)); + pol->sadb_x_policy_id = 0; + pol->sadb_x_policy_dir = dir2kernel(direction); + /* calculate priority based on source selector size, small size = high prio */ + pol->sadb_x_policy_priority = routed ? PRIO_LOW : PRIO_HIGH; + pol->sadb_x_policy_priority -= policy->src.mask * 10; + pol->sadb_x_policy_priority -= policy->src.proto != IPSEC_PROTO_ANY ? 2 : 0; + pol->sadb_x_policy_priority -= policy->src.net->get_port(policy->src.net) ? 1 : 0; + pol->sadb_x_policy_type = IPSEC_POLICY_IPSEC; + + /* one or more sadb_x_ipsecrequest extensions are added to the sadb_x_policy extension */ + req = (struct sadb_x_ipsecrequest*)(pol + 1); + req->sadb_x_ipsecrequest_proto = proto_ike2ip(protocol); + /* !!! the length of this struct MUST be in octets instead of 64 bit words */ + req->sadb_x_ipsecrequest_len = sizeof(struct sadb_x_ipsecrequest); + req->sadb_x_ipsecrequest_mode = mode2kernel(mode); + req->sadb_x_ipsecrequest_reqid = reqid; + req->sadb_x_ipsecrequest_level = IPSEC_LEVEL_UNIQUE; + if (mode == MODE_TUNNEL) + { + sockaddr_t *sa; + socklen_t sl; + sa = src->get_sockaddr(src); + sl = *src->get_sockaddr_len(src); + memcpy(req + 1, sa, sl); + sa = dst->get_sockaddr(dst); + memcpy((u_int8_t*)(req + 1) + sl, sa, sl); + req->sadb_x_ipsecrequest_len += sl * 2; + } + + pol->sadb_x_policy_len += PFKEY_LEN(req->sadb_x_ipsecrequest_len); + PFKEY_EXT_ADD(msg, pol); + + addr = (struct sadb_address*)PFKEY_EXT_ADD_NEXT(msg); + addr->sadb_address_exttype = SADB_EXT_ADDRESS_SRC; + addr->sadb_address_proto = policy->src.proto; + addr->sadb_address_prefixlen = policy->src.mask; + host2ext(policy->src.net, addr); + PFKEY_EXT_ADD(msg, addr); + + addr = (struct sadb_address*)PFKEY_EXT_ADD_NEXT(msg); + addr->sadb_address_exttype = SADB_EXT_ADDRESS_DST; + addr->sadb_address_proto = policy->dst.proto; + addr->sadb_address_prefixlen = policy->dst.mask; + host2ext(policy->dst.net, addr); + PFKEY_EXT_ADD(msg, addr); + + this->mutex->unlock(this->mutex); + + if (pfkey_send(this, msg, &out, &len) != SUCCESS) + { + DBG1(DBG_KNL, "unable to add policy %R === %R %N", src_ts, dst_ts, + policy_dir_names, direction); + return FAILED; + } + else if (out->sadb_msg_errno) + { + DBG1(DBG_KNL, "unable to add policy %R === %R %N: %s (%d)", src_ts, dst_ts, + policy_dir_names, direction, + strerror(out->sadb_msg_errno), out->sadb_msg_errno); + free(out); + return FAILED; + } + else if (parse_pfkey_message(out, &response) != SUCCESS) + { + DBG1(DBG_KNL, "unable to add policy %R === %R %N: parsing response " + "from kernel failed", src_ts, dst_ts, policy_dir_names, direction); + free(out); + return FAILED; + } + + this->mutex->lock(this->mutex); + + /* we try to find the policy again and update the kernel index */ + if (this->policies->find_last(this->policies, NULL, (void**)&policy) != SUCCESS) + { + DBG2(DBG_KNL, "unable to update index, the policy %R === %R %N is " + "already gone, ignoring", src_ts, dst_ts, policy_dir_names, direction); + this->mutex->unlock(this->mutex); + free(out); + return SUCCESS; + } + policy->index = response.x_policy->sadb_x_policy_id; + free(out); + + /* install a route, if: + * - we are NOT updating a policy + * - this is a forward policy (to just get one for each child) + * - we are in tunnel mode + * - we are not using IPv6 (does not work correctly yet!) + * - routing is not disabled via strongswan.conf + */ + if (policy->route == NULL && direction == POLICY_FWD && + mode != MODE_TRANSPORT && src->get_family(src) != AF_INET6 && + this->install_routes) + { + route_entry_t *route = malloc_thing(route_entry_t); + + if (charon->kernel_interface->get_address_by_ts(charon->kernel_interface, + dst_ts, &route->src_ip) == SUCCESS) + { + /* get the nexthop to src (src as we are in POLICY_FWD).*/ + route->gateway = charon->kernel_interface->get_nexthop( + charon->kernel_interface, src); + route->if_name = charon->kernel_interface->get_interface( + charon->kernel_interface, dst); + route->dst_net = chunk_clone(policy->src.net->get_address(policy->src.net)); + route->prefixlen = policy->src.mask; + + switch (charon->kernel_interface->add_route(charon->kernel_interface, + route->dst_net, route->prefixlen, route->gateway, + route->src_ip, route->if_name)) + { + default: + DBG1(DBG_KNL, "unable to install source route for %H", + route->src_ip); + /* FALL */ + case ALREADY_DONE: + /* route exists, do not uninstall */ + route_entry_destroy(route); + break; + case SUCCESS: + /* cache the installed route */ + policy->route = route; + break; + } + } + else + { + free(route); + } + } + + this->mutex->unlock(this->mutex); + + return SUCCESS; +} + +/** + * Implementation of kernel_interface_t.query_policy. + */ +static status_t query_policy(private_kernel_pfkey_ipsec_t *this, + traffic_selector_t *src_ts, + traffic_selector_t *dst_ts, + policy_dir_t direction, u_int32_t *use_time) +{ + unsigned char request[PFKEY_BUFFER_SIZE]; + struct sadb_msg *msg, *out; + struct sadb_x_policy *pol; + struct sadb_address *addr; + policy_entry_t *policy, *found = NULL; + pfkey_msg_t response; + size_t len; + + DBG2(DBG_KNL, "querying policy %R === %R %N", src_ts, dst_ts, + policy_dir_names, direction); + + /* create a policy */ + policy = create_policy_entry(src_ts, dst_ts, direction, 0); + + /* find a matching policy */ + this->mutex->lock(this->mutex); + if (this->policies->find_first(this->policies, + (linked_list_match_t)policy_entry_equals, (void**)&found, policy) != SUCCESS) + { + DBG1(DBG_KNL, "querying policy %R === %R %N failed, not found", src_ts, + dst_ts, policy_dir_names, direction); + policy_entry_destroy(policy); + this->mutex->unlock(this->mutex); + return NOT_FOUND; + } + policy_entry_destroy(policy); + policy = found; + + memset(&request, 0, sizeof(request)); + + msg = (struct sadb_msg*)request; + msg->sadb_msg_version = PF_KEY_V2; + msg->sadb_msg_type = SADB_X_SPDGET; + msg->sadb_msg_satype = 0; + msg->sadb_msg_len = PFKEY_LEN(sizeof(struct sadb_msg)); + + pol = (struct sadb_x_policy*)PFKEY_EXT_ADD_NEXT(msg); + pol->sadb_x_policy_exttype = SADB_X_EXT_POLICY; + pol->sadb_x_policy_id = policy->index; + pol->sadb_x_policy_len = PFKEY_LEN(sizeof(struct sadb_x_policy)); + pol->sadb_x_policy_dir = dir2kernel(direction); + pol->sadb_x_policy_type = IPSEC_POLICY_IPSEC; + PFKEY_EXT_ADD(msg, pol); + + addr = (struct sadb_address*)PFKEY_EXT_ADD_NEXT(msg); + addr->sadb_address_exttype = SADB_EXT_ADDRESS_SRC; + addr->sadb_address_proto = policy->src.proto; + addr->sadb_address_prefixlen = policy->src.mask; + host2ext(policy->src.net, addr); + PFKEY_EXT_ADD(msg, addr); + + addr = (struct sadb_address*)PFKEY_EXT_ADD_NEXT(msg); + addr->sadb_address_exttype = SADB_EXT_ADDRESS_DST; + addr->sadb_address_proto = policy->dst.proto; + addr->sadb_address_prefixlen = policy->dst.mask; + host2ext(policy->dst.net, addr); + PFKEY_EXT_ADD(msg, addr); + + this->mutex->unlock(this->mutex); + + if (pfkey_send(this, msg, &out, &len) != SUCCESS) + { + DBG1(DBG_KNL, "unable to query policy %R === %R %N", src_ts, dst_ts, + policy_dir_names, direction); + return FAILED; + } + else if (out->sadb_msg_errno) + { + DBG1(DBG_KNL, "unable to query policy %R === %R %N: %s (%d)", src_ts, + dst_ts, policy_dir_names, direction, + strerror(out->sadb_msg_errno), out->sadb_msg_errno); + free(out); + return FAILED; + } + else if (parse_pfkey_message(out, &response) != SUCCESS) + { + DBG1(DBG_KNL, "unable to query policy %R === %R %N: parsing response " + "from kernel failed", src_ts, dst_ts, policy_dir_names, direction); + free(out); + return FAILED; + } + + *use_time = response.lft_current->sadb_lifetime_usetime; + + free(out); + + return SUCCESS; +} + +/** + * Implementation of kernel_interface_t.del_policy. + */ +static status_t del_policy(private_kernel_pfkey_ipsec_t *this, + traffic_selector_t *src_ts, + traffic_selector_t *dst_ts, + policy_dir_t direction, bool unrouted) +{ + unsigned char request[PFKEY_BUFFER_SIZE]; + struct sadb_msg *msg, *out; + struct sadb_x_policy *pol; + struct sadb_address *addr; + policy_entry_t *policy, *found = NULL; + route_entry_t *route; + size_t len; + + DBG2(DBG_KNL, "deleting policy %R === %R %N", src_ts, dst_ts, + policy_dir_names, direction); + + /* create a policy */ + policy = create_policy_entry(src_ts, dst_ts, direction, 0); + + /* find a matching policy */ + this->mutex->lock(this->mutex); + if (this->policies->find_first(this->policies, + (linked_list_match_t)policy_entry_equals, (void**)&found, policy) == SUCCESS) + { + if (--found->refcount > 0) + { + /* is used by more SAs, keep in kernel */ + DBG2(DBG_KNL, "policy still used by another CHILD_SA, not removed"); + policy_entry_destroy(policy); + this->mutex->unlock(this->mutex); + return SUCCESS; + } + /* remove if last reference */ + this->policies->remove(this->policies, found, NULL); + policy_entry_destroy(policy); + policy = found; + } + else + { + DBG1(DBG_KNL, "deleting policy %R === %R %N failed, not found", src_ts, + dst_ts, policy_dir_names, direction); + policy_entry_destroy(policy); + this->mutex->unlock(this->mutex); + return NOT_FOUND; + } + this->mutex->unlock(this->mutex); + + memset(&request, 0, sizeof(request)); + + msg = (struct sadb_msg*)request; + msg->sadb_msg_version = PF_KEY_V2; + msg->sadb_msg_type = SADB_X_SPDDELETE; + msg->sadb_msg_satype = 0; + msg->sadb_msg_len = PFKEY_LEN(sizeof(struct sadb_msg)); + + pol = (struct sadb_x_policy*)PFKEY_EXT_ADD_NEXT(msg); + pol->sadb_x_policy_exttype = SADB_X_EXT_POLICY; + pol->sadb_x_policy_len = PFKEY_LEN(sizeof(struct sadb_x_policy)); + pol->sadb_x_policy_dir = dir2kernel(direction); + pol->sadb_x_policy_type = IPSEC_POLICY_IPSEC; + PFKEY_EXT_ADD(msg, pol); + + addr = (struct sadb_address*)PFKEY_EXT_ADD_NEXT(msg); + addr->sadb_address_exttype = SADB_EXT_ADDRESS_SRC; + addr->sadb_address_proto = policy->src.proto; + addr->sadb_address_prefixlen = policy->src.mask; + host2ext(policy->src.net, addr); + PFKEY_EXT_ADD(msg, addr); + + addr = (struct sadb_address*)PFKEY_EXT_ADD_NEXT(msg); + addr->sadb_address_exttype = SADB_EXT_ADDRESS_DST; + addr->sadb_address_proto = policy->dst.proto; + addr->sadb_address_prefixlen = policy->dst.mask; + host2ext(policy->dst.net, addr); + PFKEY_EXT_ADD(msg, addr); + + route = policy->route; + policy->route = NULL; + policy_entry_destroy(policy); + + if (pfkey_send(this, msg, &out, &len) != SUCCESS) + { + DBG1(DBG_KNL, "unable to delete policy %R === %R %N", src_ts, dst_ts, + policy_dir_names, direction); + return FAILED; + } + else if (out->sadb_msg_errno) + { + DBG1(DBG_KNL, "unable to delete policy %R === %R %N: %s (%d)", src_ts, + dst_ts, policy_dir_names, direction, + strerror(out->sadb_msg_errno), out->sadb_msg_errno); + free(out); + return FAILED; + } + free(out); + + if (route) + { + if (charon->kernel_interface->del_route(charon->kernel_interface, + route->dst_net, route->prefixlen, route->gateway, + route->src_ip, route->if_name) != SUCCESS) + { + DBG1(DBG_KNL, "error uninstalling route installed with " + "policy %R === %R %N", src_ts, dst_ts, + policy_dir_names, direction); + } + route_entry_destroy(route); + } + + return SUCCESS; +} + +/** + * Register a socket for AQUIRE/EXPIRE messages + */ +static status_t register_pfkey_socket(private_kernel_pfkey_ipsec_t *this, u_int8_t satype) +{ + unsigned char request[PFKEY_BUFFER_SIZE]; + struct sadb_msg *msg, *out; + size_t len; + + memset(&request, 0, sizeof(request)); + + msg = (struct sadb_msg*)request; + msg->sadb_msg_version = PF_KEY_V2; + msg->sadb_msg_type = SADB_REGISTER; + msg->sadb_msg_satype = satype; + msg->sadb_msg_len = PFKEY_LEN(sizeof(struct sadb_msg)); + + if (pfkey_send_socket(this, this->socket_events, msg, &out, &len) != SUCCESS) + { + DBG1(DBG_KNL, "unable to register PF_KEY socket"); + return FAILED; + } + else if (out->sadb_msg_errno) + { + DBG1(DBG_KNL, "unable to register PF_KEY socket: %s (%d)", + strerror(out->sadb_msg_errno), out->sadb_msg_errno); + free(out); + return FAILED; + } + free(out); + return SUCCESS; +} + +/** + * Implementation of kernel_interface_t.destroy. + */ +static void destroy(private_kernel_pfkey_ipsec_t *this) +{ + this->job->cancel(this->job); + close(this->socket); + close(this->socket_events); + this->policies->destroy_function(this->policies, (void*)policy_entry_destroy); + this->mutex->destroy(this->mutex); + this->mutex_pfkey->destroy(this->mutex_pfkey); + free(this); +} + +/** + * Add bypass policies for IKE on the sockets of charon + */ +static bool add_bypass_policies(private_kernel_pfkey_ipsec_t *this) +{ + int fd, family, port; + enumerator_t *sockets; + bool status = TRUE; + + sockets = charon->socket->create_enumerator(charon->socket); + while (sockets->enumerate(sockets, &fd, &family, &port)) + { + struct sadb_x_policy policy; + u_int sol, ipsec_policy; + + switch (family) + { + case AF_INET: + sol = SOL_IP; + ipsec_policy = IP_IPSEC_POLICY; + break; + case AF_INET6: + { + sol = SOL_IPV6; + ipsec_policy = IPV6_IPSEC_POLICY; + break; + } + } + + memset(&policy, 0, sizeof(policy)); + policy.sadb_x_policy_len = sizeof(policy) / sizeof(u_int64_t); + policy.sadb_x_policy_exttype = SADB_X_EXT_POLICY; + policy.sadb_x_policy_type = IPSEC_POLICY_BYPASS; + + policy.sadb_x_policy_dir = IPSEC_DIR_OUTBOUND; + if (setsockopt(fd, sol, ipsec_policy, &policy, sizeof(policy)) < 0) + { + DBG1(DBG_KNL, "unable to set IPSEC_POLICY on socket: %s", + strerror(errno)); + status = FALSE; + break; + } + policy.sadb_x_policy_dir = IPSEC_DIR_INBOUND; + if (setsockopt(fd, sol, ipsec_policy, &policy, sizeof(policy)) < 0) + { + DBG1(DBG_KNL, "unable to set IPSEC_POLICY on socket: %s", + strerror(errno)); + status = FALSE; + break; + } + } + sockets->destroy(sockets); + return status; +} + +/* + * Described in header. + */ +kernel_pfkey_ipsec_t *kernel_pfkey_ipsec_create() +{ + private_kernel_pfkey_ipsec_t *this = malloc_thing(private_kernel_pfkey_ipsec_t); + + /* public functions */ + this->public.interface.get_spi = (status_t(*)(kernel_ipsec_t*,host_t*,host_t*,protocol_id_t,u_int32_t,u_int32_t*))get_spi; + this->public.interface.get_cpi = (status_t(*)(kernel_ipsec_t*,host_t*,host_t*,u_int32_t,u_int16_t*))get_cpi; + this->public.interface.add_sa = (status_t(*)(kernel_ipsec_t *,host_t*,host_t*,u_int32_t,protocol_id_t,u_int32_t,u_int64_t,u_int64_t,u_int16_t,chunk_t,u_int16_t,chunk_t,ipsec_mode_t,u_int16_t,u_int16_t,bool,bool))add_sa; + this->public.interface.update_sa = (status_t(*)(kernel_ipsec_t*,u_int32_t,protocol_id_t,u_int16_t,host_t*,host_t*,host_t*,host_t*,bool,bool))update_sa; + this->public.interface.del_sa = (status_t(*)(kernel_ipsec_t*,host_t*,u_int32_t,protocol_id_t,u_int16_t))del_sa; + this->public.interface.add_policy = (status_t(*)(kernel_ipsec_t*,host_t*,host_t*,traffic_selector_t*,traffic_selector_t*,policy_dir_t,u_int32_t,protocol_id_t,u_int32_t,ipsec_mode_t,u_int16_t,u_int16_t,bool))add_policy; + this->public.interface.query_policy = (status_t(*)(kernel_ipsec_t*,traffic_selector_t*,traffic_selector_t*,policy_dir_t,u_int32_t*))query_policy; + this->public.interface.del_policy = (status_t(*)(kernel_ipsec_t*,traffic_selector_t*,traffic_selector_t*,policy_dir_t,bool))del_policy; + + this->public.interface.destroy = (void(*)(kernel_ipsec_t*)) destroy; + + /* private members */ + this->policies = linked_list_create(); + this->mutex = mutex_create(MUTEX_DEFAULT); + this->mutex_pfkey = mutex_create(MUTEX_DEFAULT); + this->install_routes = lib->settings->get_bool(lib->settings, + "charon.install_routes", TRUE); + this->seq = 0; + + /* create a PF_KEY socket to communicate with the kernel */ + this->socket = socket(PF_KEY, SOCK_RAW, PF_KEY_V2); + if (this->socket <= 0) + { + charon->kill(charon, "unable to create PF_KEY socket"); + } + + /* create a PF_KEY socket for ACQUIRE & EXPIRE */ + this->socket_events = socket(PF_KEY, SOCK_RAW, PF_KEY_V2); + if (this->socket_events <= 0) + { + charon->kill(charon, "unable to create PF_KEY event socket"); + } + + /* add bypass policies on the sockets used by charon */ + if (!add_bypass_policies(this)) + { + charon->kill(charon, "unable to add bypass policies on sockets"); + } + + /* register the event socket */ + if (register_pfkey_socket(this, SADB_SATYPE_ESP) != SUCCESS || + register_pfkey_socket(this, SADB_SATYPE_AH) != SUCCESS) + { + charon->kill(charon, "unable to register PF_KEY event socket"); + } + + this->job = callback_job_create((callback_job_cb_t)receive_events, + this, NULL, NULL); + charon->processor->queue_job(charon->processor, (job_t*)this->job); + + return &this->public; +} diff --git a/src/charon/plugins/kernel_pfkey/kernel_pfkey_ipsec.h b/src/charon/plugins/kernel_pfkey/kernel_pfkey_ipsec.h new file mode 100644 index 000000000..6e2ec5377 --- /dev/null +++ b/src/charon/plugins/kernel_pfkey/kernel_pfkey_ipsec.h @@ -0,0 +1,48 @@ +/* + * Copyright (C) 2008 Tobias Brunner + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * $Id: kernel_pfkey_ipsec.h 4361 2008-10-01 16:47:51Z tobias $ + */ + +/** + * @defgroup kernel_pfkey_ipsec_i kernel_pfkey_ipsec + * @{ @ingroup kernel_pfkey + */ + +#ifndef KERNEL_PFKEY_IPSEC_H_ +#define KERNEL_PFKEY_IPSEC_H_ + +#include <kernel/kernel_ipsec.h> + +typedef struct kernel_pfkey_ipsec_t kernel_pfkey_ipsec_t; + +/** + * Implementation of the kernel ipsec interface using PF_KEY. + */ +struct kernel_pfkey_ipsec_t { + + /** + * Implements kernel_ipsec_t interface + */ + kernel_ipsec_t interface; +}; + +/** + * Create a PF_KEY kernel ipsec interface instance. + * + * @return kernel_pfkey_ipsec_t instance + */ +kernel_pfkey_ipsec_t *kernel_pfkey_ipsec_create(); + +#endif /* KERNEL_PFKEY_IPSEC_H_ @} */ diff --git a/src/charon/plugins/kernel_pfkey/kernel_pfkey_plugin.c b/src/charon/plugins/kernel_pfkey/kernel_pfkey_plugin.c new file mode 100644 index 000000000..93015d75a --- /dev/null +++ b/src/charon/plugins/kernel_pfkey/kernel_pfkey_plugin.c @@ -0,0 +1,58 @@ +/* + * Copyright (C) 2008 Tobias Brunner + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * $Id: kernel_pfkey_plugin.c 4361 2008-10-01 16:47:51Z tobias $ + */ + + +#include "kernel_pfkey_plugin.h" + +#include "kernel_pfkey_ipsec.h" + +#include <daemon.h> + +typedef struct private_kernel_pfkey_plugin_t private_kernel_pfkey_plugin_t; + +/** + * private data of kernel PF_KEY plugin + */ +struct private_kernel_pfkey_plugin_t { + /** + * implements plugin interface + */ + kernel_pfkey_plugin_t public; +}; + +/** + * Implementation of plugin_t.destroy + */ +static void destroy(private_kernel_pfkey_plugin_t *this) +{ + charon->kernel_interface->remove_ipsec_interface(charon->kernel_interface, (kernel_ipsec_constructor_t)kernel_pfkey_ipsec_create); + free(this); +} + +/* + * see header file + */ +plugin_t *plugin_create() +{ + private_kernel_pfkey_plugin_t *this = malloc_thing(private_kernel_pfkey_plugin_t); + + this->public.plugin.destroy = (void(*)(plugin_t*))destroy; + + charon->kernel_interface->add_ipsec_interface(charon->kernel_interface, (kernel_ipsec_constructor_t)kernel_pfkey_ipsec_create); + + return &this->public.plugin; +} diff --git a/src/charon/plugins/kernel_pfkey/kernel_pfkey_plugin.h b/src/charon/plugins/kernel_pfkey/kernel_pfkey_plugin.h new file mode 100644 index 000000000..5e256ca74 --- /dev/null +++ b/src/charon/plugins/kernel_pfkey/kernel_pfkey_plugin.h @@ -0,0 +1,49 @@ +/* + * Copyright (C) 2008 Tobias Brunner + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * $Id: kernel_pfkey_plugin.h 4361 2008-10-01 16:47:51Z tobias $ + */ + +/** + * @defgroup kernel_pfkey kernel_pfkey + * @ingroup cplugins + * + * @defgroup kernel_pfkey_plugin kernel_pfkey_plugin + * @{ @ingroup kernel_pfkey + */ + +#ifndef KERNEL_PFKEY_PLUGIN_H_ +#define KERNEL_PFKEY_PLUGIN_H_ + +#include <plugins/plugin.h> + +typedef struct kernel_pfkey_plugin_t kernel_pfkey_plugin_t; + +/** + * PF_KEY kernel interface plugin + */ +struct kernel_pfkey_plugin_t { + + /** + * implements plugin interface + */ + plugin_t plugin; +}; + +/** + * Create a kernel_pfkey_plugin instance. + */ +plugin_t *plugin_create(); + +#endif /* KERNEL_PFKEY_PLUGIN_H_ @} */ diff --git a/src/charon/plugins/load_tester/Makefile.am b/src/charon/plugins/load_tester/Makefile.am new file mode 100644 index 000000000..88a6b688c --- /dev/null +++ b/src/charon/plugins/load_tester/Makefile.am @@ -0,0 +1,16 @@ + +INCLUDES = 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install-html-am install-info install-info-am install-man \ + install-pdf install-pdf-am install-pluginLTLIBRARIES \ + install-ps install-ps-am install-strip installcheck \ + installcheck-am installdirs maintainer-clean \ + maintainer-clean-generic mostlyclean mostlyclean-compile \ + mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \ + tags uninstall uninstall-am uninstall-pluginLTLIBRARIES + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/src/charon/plugins/load_tester/load_tester_config.c b/src/charon/plugins/load_tester/load_tester_config.c new file mode 100644 index 000000000..8e93d24bb --- /dev/null +++ b/src/charon/plugins/load_tester/load_tester_config.c @@ -0,0 +1,143 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * $Id$ + */ + +#include "load_tester_config.h" + +#include <daemon.h> + +typedef struct private_load_tester_config_t private_load_tester_config_t; + +/** + * Private data of an load_tester_config_t object + */ +struct private_load_tester_config_t { + + /** + * Public part + */ + load_tester_config_t public; + + /** + * peer config + */ + peer_cfg_t *peer_cfg; +}; + +/** + * Implementation of backend_t.create_peer_cfg_enumerator. + */ +static enumerator_t* create_peer_cfg_enumerator(private_load_tester_config_t *this, + identification_t *me, + identification_t *other) +{ + return enumerator_create_single(this->peer_cfg, NULL); +} + +/** + * Implementation of backend_t.create_ike_cfg_enumerator. + */ +static enumerator_t* create_ike_cfg_enumerator(private_load_tester_config_t *this, + host_t *me, host_t *other) +{ + ike_cfg_t *ike_cfg; + + ike_cfg = this->peer_cfg->get_ike_cfg(this->peer_cfg); + return enumerator_create_single(ike_cfg, NULL); +} + +/** + * implements backend_t.get_peer_cfg_by_name. + */ +static peer_cfg_t *get_peer_cfg_by_name(private_load_tester_config_t *this, + char *name) +{ + if (streq(name, "load-test")) + { + return this->peer_cfg->get_ref(this->peer_cfg);; + } + return NULL; +} + +/** + * Implementation of load_tester_config_t.destroy. + */ +static void destroy(private_load_tester_config_t *this) +{ + this->peer_cfg->destroy(this->peer_cfg); + free(this); +} + +/** + * Described in header. + */ +load_tester_config_t *load_tester_config_create() +{ + private_load_tester_config_t *this = malloc_thing(private_load_tester_config_t); + ike_cfg_t *ike_cfg; + child_cfg_t *child_cfg; + proposal_t *proposal; + traffic_selector_t *ts; + auth_info_t *auth; + auth_class_t class; + char *remote, *pool; + host_t *vip = NULL; + + this->public.backend.create_peer_cfg_enumerator = (enumerator_t*(*)(backend_t*, identification_t *me, identification_t *other))create_peer_cfg_enumerator; + this->public.backend.create_ike_cfg_enumerator = (enumerator_t*(*)(backend_t*, host_t *me, host_t *other))create_ike_cfg_enumerator; + this->public.backend.get_peer_cfg_by_name = (peer_cfg_t* (*)(backend_t*,char*))get_peer_cfg_by_name; + this->public.destroy = (void(*)(load_tester_config_t*))destroy; + + if (lib->settings->get_bool(lib->settings, + "charon.plugins.load_tester.request_virtual_ip", FALSE)) + { + vip = host_create_from_string("0.0.0.0", 0); + } + pool = lib->settings->get_str(lib->settings, + "charon.plugins.load_tester.pool", NULL); + remote = lib->settings->get_str(lib->settings, + "charon.plugins.load_tester.remote", "127.0.0.1"); + ike_cfg = ike_cfg_create(TRUE, FALSE, "0.0.0.0", remote); + proposal = proposal_create_from_string(PROTO_IKE, + lib->settings->get_str(lib->settings, + "charon.plugins.load_tester.proposal", "aes128-sha1-modp768")); + if (!proposal) + { /* fallback */ + proposal = proposal_create_from_string(PROTO_IKE, "aes128-sha1-modp768"); + } + ike_cfg->add_proposal(ike_cfg, proposal); + this->peer_cfg = peer_cfg_create("load-test", 2, ike_cfg, + identification_create_from_string("load-test@strongswan.org"), + identification_create_from_string("load-test@strongswan.org"), + CERT_SEND_IF_ASKED, UNIQUE_NO, 1, 0, 0, /* keytries, rekey, reauth */ + 0, 0, TRUE, 60, /* jitter, overtime, mobike, dpddelay */ + vip, pool, FALSE, NULL, NULL); + auth = this->peer_cfg->get_auth(this->peer_cfg); + class = AUTH_CLASS_PUBKEY; + auth->add_item(auth, AUTHN_AUTH_CLASS, &class); + child_cfg = child_cfg_create("load-test", 600, 400, 100, NULL, TRUE, + MODE_TUNNEL, ACTION_NONE, ACTION_NONE, FALSE); + proposal = proposal_create_from_string(PROTO_ESP, "aes128-sha1"); + child_cfg->add_proposal(child_cfg, proposal); + ts = traffic_selector_create_dynamic(0, 0, 65535); + child_cfg->add_traffic_selector(child_cfg, TRUE, ts); + ts = traffic_selector_create_dynamic(0, 0, 65535); + child_cfg->add_traffic_selector(child_cfg, FALSE, ts); + this->peer_cfg->add_child_cfg(this->peer_cfg, child_cfg); + + return &this->public; +} + diff --git a/src/charon/plugins/load_tester/load_tester_config.h b/src/charon/plugins/load_tester/load_tester_config.h new file mode 100644 index 000000000..d5391da63 --- /dev/null +++ b/src/charon/plugins/load_tester/load_tester_config.h @@ -0,0 +1,53 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * $Id$ + */ + +/** + * @defgroup load_tester_config_t load_tester_config + * @{ @ingroup load_tester + */ + +#ifndef LOAD_TESTER_CONFIG_H_ +#define LOAD_TESTER_CONFIG_H_ + +#include <config/backend.h> + +typedef struct load_tester_config_t load_tester_config_t; + +/** + * Provide configurations for load testing. + */ +struct load_tester_config_t { + + /** + * Implements backend_t interface + */ + backend_t backend; + + /** + * Destroy the backend. + */ + void (*destroy)(load_tester_config_t *this); +}; + +/** + * Create a configuration backend for load testing. + * + * @return configuration backend + */ +load_tester_config_t *load_tester_config_create(); + +#endif /* LOAD_TESTER_CONFIG_H_ @}*/ diff --git a/src/charon/plugins/load_tester/load_tester_creds.c b/src/charon/plugins/load_tester/load_tester_creds.c new file mode 100644 index 000000000..ec69a1ac9 --- /dev/null +++ b/src/charon/plugins/load_tester/load_tester_creds.c @@ -0,0 +1,236 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * $Id$ + */ + +#include "load_tester_creds.h" + +#include <daemon.h> +#include <credentials/keys/shared_key.h> +#include <utils/identification.h> + +typedef struct private_load_tester_creds_t private_load_tester_creds_t; + +/** + * Private data of an load_tester_creds_t object + */ +struct private_load_tester_creds_t { + /** + * Public part + */ + load_tester_creds_t public; + + /** + * Private key to create signatures + */ + private_key_t *private; + + /** + * Trusted certificate to verify signatures + */ + certificate_t *cert; +}; + +/** + * 1024-bit RSA key: +-----BEGIN RSA PRIVATE KEY----- +MIICXQIBAAKBgQDQXr7poAPYZLxmTCqR51STGRuk9Hc5SWtTcs6b2RzpnP8EVRLx +JEVxOKE9Mw6n7mD1pNrupCpnpGRdLAV5VznTPhSQ6k7ppJJrxosRYg0pHTZqBUEC +7nQFwAe10g8q0UnM1wa4lJzGxDH78d21cVweJgbkxAeyriS0jhNs7gO5nQIDAQAB +AoGACVACtkxJf7VY2jWTPXwaQoy/uIqYfX3zhwI9i6eTbDlxCE+JDi/xzpKaWjLa +99RmjvP0OPArWQB239ck03x7gAm2obutosGbqbKzJZS5cyIayzyW9djZDHBdt9Ho +quKB39aspWit3xPzkrr+QeIkiggtmBKALTBxTwxAU+P6euECQQD4IPdrzKbCrO79 +LKvoPrQQtTjL6ogag9rI9n2ZuoK3/XVybh2byOXT8tA5G5jSz9Ac8XeVOsnH9gT5 +3WXeaLOFAkEA1vrm/hVSEasp5eATgQ7ig9CF+GGKqhTwXp/uOSl/h3IRmStu5J0C +9AkYyx0bn3j5R8iUEX/C00KSE1kQNh4NOQJAVOsLYlRG2idPH0xThQc4nuM2jes1 +K0Xm8ZISSDNhm1BeCoyPC4rExTW7d1/vfG5svgsRrvvQpOOYrl7MB0Lz9QJBALhg +AWJiyLsskEd90Vx7dpvUaEHo7jMGuEx/X6GYzK5Oj3dNP9NEMfc4IhJ5SWqRJ0KA +bTVA3MexLXT4iqXPSkkCQQDSjLhBwvEnSuW4ElIMzBwLbu7573z2gzU82Mj6trrw +Osoox/vmcepT1Wjy4AvPZHgxp7vEXNSeS+M5L29QNTp8 +-----END RSA PRIVATE KEY----- + */ +static char private[] = { + 0x30,0x82,0x02,0x5d,0x02,0x01,0x00,0x02,0x81,0x81,0x00,0xd0,0x5e,0xbe,0xe9,0xa0, + 0x03,0xd8,0x64,0xbc,0x66,0x4c,0x2a,0x91,0xe7,0x54,0x93,0x19,0x1b,0xa4,0xf4,0x77, + 0x39,0x49,0x6b,0x53,0x72,0xce,0x9b,0xd9,0x1c,0xe9,0x9c,0xff,0x04,0x55,0x12,0xf1, + 0x24,0x45,0x71,0x38,0xa1,0x3d,0x33,0x0e,0xa7,0xee,0x60,0xf5,0xa4,0xda,0xee,0xa4, + 0x2a,0x67,0xa4,0x64,0x5d,0x2c,0x05,0x79,0x57,0x39,0xd3,0x3e,0x14,0x90,0xea,0x4e, + 0xe9,0xa4,0x92,0x6b,0xc6,0x8b,0x11,0x62,0x0d,0x29,0x1d,0x36,0x6a,0x05,0x41,0x02, + 0xee,0x74,0x05,0xc0,0x07,0xb5,0xd2,0x0f,0x2a,0xd1,0x49,0xcc,0xd7,0x06,0xb8,0x94, + 0x9c,0xc6,0xc4,0x31,0xfb,0xf1,0xdd,0xb5,0x71,0x5c,0x1e,0x26,0x06,0xe4,0xc4,0x07, + 0xb2,0xae,0x24,0xb4,0x8e,0x13,0x6c,0xee,0x03,0xb9,0x9d,0x02,0x03,0x01,0x00,0x01, + 0x02,0x81,0x80,0x09,0x50,0x02,0xb6,0x4c,0x49,0x7f,0xb5,0x58,0xda,0x35,0x93,0x3d, + 0x7c,0x1a,0x42,0x8c,0xbf,0xb8,0x8a,0x98,0x7d,0x7d,0xf3,0x87,0x02,0x3d,0x8b,0xa7, + 0x93,0x6c,0x39,0x71,0x08,0x4f,0x89,0x0e,0x2f,0xf1,0xce,0x92,0x9a,0x5a,0x32,0xda, + 0xf7,0xd4,0x66,0x8e,0xf3,0xf4,0x38,0xf0,0x2b,0x59,0x00,0x76,0xdf,0xd7,0x24,0xd3, + 0x7c,0x7b,0x80,0x09,0xb6,0xa1,0xbb,0xad,0xa2,0xc1,0x9b,0xa9,0xb2,0xb3,0x25,0x94, + 0xb9,0x73,0x22,0x1a,0xcb,0x3c,0x96,0xf5,0xd8,0xd9,0x0c,0x70,0x5d,0xb7,0xd1,0xe8, + 0xaa,0xe2,0x81,0xdf,0xd6,0xac,0xa5,0x68,0xad,0xdf,0x13,0xf3,0x92,0xba,0xfe,0x41, + 0xe2,0x24,0x8a,0x08,0x2d,0x98,0x12,0x80,0x2d,0x30,0x71,0x4f,0x0c,0x40,0x53,0xe3, + 0xfa,0x7a,0xe1,0x02,0x41,0x00,0xf8,0x20,0xf7,0x6b,0xcc,0xa6,0xc2,0xac,0xee,0xfd, + 0x2c,0xab,0xe8,0x3e,0xb4,0x10,0xb5,0x38,0xcb,0xea,0x88,0x1a,0x83,0xda,0xc8,0xf6, + 0x7d,0x99,0xba,0x82,0xb7,0xfd,0x75,0x72,0x6e,0x1d,0x9b,0xc8,0xe5,0xd3,0xf2,0xd0, + 0x39,0x1b,0x98,0xd2,0xcf,0xd0,0x1c,0xf1,0x77,0x95,0x3a,0xc9,0xc7,0xf6,0x04,0xf9, + 0xdd,0x65,0xde,0x68,0xb3,0x85,0x02,0x41,0x00,0xd6,0xfa,0xe6,0xfe,0x15,0x52,0x11, + 0xab,0x29,0xe5,0xe0,0x13,0x81,0x0e,0xe2,0x83,0xd0,0x85,0xf8,0x61,0x8a,0xaa,0x14, + 0xf0,0x5e,0x9f,0xee,0x39,0x29,0x7f,0x87,0x72,0x11,0x99,0x2b,0x6e,0xe4,0x9d,0x02, + 0xf4,0x09,0x18,0xcb,0x1d,0x1b,0x9f,0x78,0xf9,0x47,0xc8,0x94,0x11,0x7f,0xc2,0xd3, + 0x42,0x92,0x13,0x59,0x10,0x36,0x1e,0x0d,0x39,0x02,0x40,0x54,0xeb,0x0b,0x62,0x54, + 0x46,0xda,0x27,0x4f,0x1f,0x4c,0x53,0x85,0x07,0x38,0x9e,0xe3,0x36,0x8d,0xeb,0x35, + 0x2b,0x45,0xe6,0xf1,0x92,0x12,0x48,0x33,0x61,0x9b,0x50,0x5e,0x0a,0x8c,0x8f,0x0b, + 0x8a,0xc4,0xc5,0x35,0xbb,0x77,0x5f,0xef,0x7c,0x6e,0x6c,0xbe,0x0b,0x11,0xae,0xfb, + 0xd0,0xa4,0xe3,0x98,0xae,0x5e,0xcc,0x07,0x42,0xf3,0xf5,0x02,0x41,0x00,0xb8,0x60, + 0x01,0x62,0x62,0xc8,0xbb,0x2c,0x90,0x47,0x7d,0xd1,0x5c,0x7b,0x76,0x9b,0xd4,0x68, + 0x41,0xe8,0xee,0x33,0x06,0xb8,0x4c,0x7f,0x5f,0xa1,0x98,0xcc,0xae,0x4e,0x8f,0x77, + 0x4d,0x3f,0xd3,0x44,0x31,0xf7,0x38,0x22,0x12,0x79,0x49,0x6a,0x91,0x27,0x42,0x80, + 0x6d,0x35,0x40,0xdc,0xc7,0xb1,0x2d,0x74,0xf8,0x8a,0xa5,0xcf,0x4a,0x49,0x02,0x41, + 0x00,0xd2,0x8c,0xb8,0x41,0xc2,0xf1,0x27,0x4a,0xe5,0xb8,0x12,0x52,0x0c,0xcc,0x1c, + 0x0b,0x6e,0xee,0xf9,0xef,0x7c,0xf6,0x83,0x35,0x3c,0xd8,0xc8,0xfa,0xb6,0xba,0xf0, + 0x3a,0xca,0x28,0xc7,0xfb,0xe6,0x71,0xea,0x53,0xd5,0x68,0xf2,0xe0,0x0b,0xcf,0x64, + 0x78,0x31,0xa7,0xbb,0xc4,0x5c,0xd4,0x9e,0x4b,0xe3,0x39,0x2f,0x6f,0x50,0x35,0x3a, + 0x7c, +}; + +/** + * And an associated self-signed certificate +-----BEGIN CERTIFICATE----- +MIIB2zCCAUSgAwIBAgIRAKmSLQc+3QV4WswVkpxqY5kwDQYJKoZIhvcNAQEFBQAw +FzEVMBMGA1UEAxMMbG9hZC10ZXN0aW5nMB4XDTA4MTAyMTEyNDk0MFoXDTEzMTAy +MDEyNDk0MFowFzEVMBMGA1UEAxMMbG9hZC10ZXN0aW5nMIGfMA0GCSqGSIb3DQEB +AQUAA4GNADCBiQKBgQDQXr7poAPYZLxmTCqR51STGRuk9Hc5SWtTcs6b2RzpnP8E +VRLxJEVxOKE9Mw6n7mD1pNrupCpnpGRdLAV5VznTPhSQ6k7ppJJrxosRYg0pHTZq +BUEC7nQFwAe10g8q0UnM1wa4lJzGxDH78d21cVweJgbkxAeyriS0jhNs7gO5nQID +AQABoycwJTAjBgNVHREEHDAagRhsb2FkLXRlc3RAc3Ryb25nc3dhbi5vcmcwDQYJ +KoZIhvcNAQEFBQADgYEATyQ3KLVU13Q3U3uZZtQL56rm680wMLu0+2z164PnxcTu +Donp19AwPfvl4y0kjCdQYqUA6NXczub40ZrCMfmZEbVarW9oAys9lWef8sqfW0pv +asNWsTOOwgg4gcASh1VCYsMX73C8R1pegWM/btyX2SEa7+R1rBEZwHVtIxgFcnM= +-----END CERTIFICATE----- + */ +static char cert[] = { + 0x30,0x82,0x01,0xdb,0x30,0x82,0x01,0x44,0xa0,0x03,0x02,0x01,0x02,0x02,0x11,0x00, + 0xa9,0x92,0x2d,0x07,0x3e,0xdd,0x05,0x78,0x5a,0xcc,0x15,0x92,0x9c,0x6a,0x63,0x99, + 0x30,0x0d,0x06,0x09,0x2a,0x86,0x48,0x86,0xf7,0x0d,0x01,0x01,0x05,0x05,0x00,0x30, + 0x17,0x31,0x15,0x30,0x13,0x06,0x03,0x55,0x04,0x03,0x13,0x0c,0x6c,0x6f,0x61,0x64, + 0x2d,0x74,0x65,0x73,0x74,0x69,0x6e,0x67,0x30,0x1e,0x17,0x0d,0x30,0x38,0x31,0x30, + 0x32,0x31,0x31,0x32,0x34,0x39,0x34,0x30,0x5a,0x17,0x0d,0x31,0x33,0x31,0x30,0x32, + 0x30,0x31,0x32,0x34,0x39,0x34,0x30,0x5a,0x30,0x17,0x31,0x15,0x30,0x13,0x06,0x03, + 0x55,0x04,0x03,0x13,0x0c,0x6c,0x6f,0x61,0x64,0x2d,0x74,0x65,0x73,0x74,0x69,0x6e, + 0x67,0x30,0x81,0x9f,0x30,0x0d,0x06,0x09,0x2a,0x86,0x48,0x86,0xf7,0x0d,0x01,0x01, + 0x01,0x05,0x00,0x03,0x81,0x8d,0x00,0x30,0x81,0x89,0x02,0x81,0x81,0x00,0xd0,0x5e, + 0xbe,0xe9,0xa0,0x03,0xd8,0x64,0xbc,0x66,0x4c,0x2a,0x91,0xe7,0x54,0x93,0x19,0x1b, + 0xa4,0xf4,0x77,0x39,0x49,0x6b,0x53,0x72,0xce,0x9b,0xd9,0x1c,0xe9,0x9c,0xff,0x04, + 0x55,0x12,0xf1,0x24,0x45,0x71,0x38,0xa1,0x3d,0x33,0x0e,0xa7,0xee,0x60,0xf5,0xa4, + 0xda,0xee,0xa4,0x2a,0x67,0xa4,0x64,0x5d,0x2c,0x05,0x79,0x57,0x39,0xd3,0x3e,0x14, + 0x90,0xea,0x4e,0xe9,0xa4,0x92,0x6b,0xc6,0x8b,0x11,0x62,0x0d,0x29,0x1d,0x36,0x6a, + 0x05,0x41,0x02,0xee,0x74,0x05,0xc0,0x07,0xb5,0xd2,0x0f,0x2a,0xd1,0x49,0xcc,0xd7, + 0x06,0xb8,0x94,0x9c,0xc6,0xc4,0x31,0xfb,0xf1,0xdd,0xb5,0x71,0x5c,0x1e,0x26,0x06, + 0xe4,0xc4,0x07,0xb2,0xae,0x24,0xb4,0x8e,0x13,0x6c,0xee,0x03,0xb9,0x9d,0x02,0x03, + 0x01,0x00,0x01,0xa3,0x27,0x30,0x25,0x30,0x23,0x06,0x03,0x55,0x1d,0x11,0x04,0x1c, + 0x30,0x1a,0x81,0x18,0x6c,0x6f,0x61,0x64,0x2d,0x74,0x65,0x73,0x74,0x40,0x73,0x74, + 0x72,0x6f,0x6e,0x67,0x73,0x77,0x61,0x6e,0x2e,0x6f,0x72,0x67,0x30,0x0d,0x06,0x09, + 0x2a,0x86,0x48,0x86,0xf7,0x0d,0x01,0x01,0x05,0x05,0x00,0x03,0x81,0x81,0x00,0x4f, + 0x24,0x37,0x28,0xb5,0x54,0xd7,0x74,0x37,0x53,0x7b,0x99,0x66,0xd4,0x0b,0xe7,0xaa, + 0xe6,0xeb,0xcd,0x30,0x30,0xbb,0xb4,0xfb,0x6c,0xf5,0xeb,0x83,0xe7,0xc5,0xc4,0xee, + 0x0e,0x89,0xe9,0xd7,0xd0,0x30,0x3d,0xfb,0xe5,0xe3,0x2d,0x24,0x8c,0x27,0x50,0x62, + 0xa5,0x00,0xe8,0xd5,0xdc,0xce,0xe6,0xf8,0xd1,0x9a,0xc2,0x31,0xf9,0x99,0x11,0xb5, + 0x5a,0xad,0x6f,0x68,0x03,0x2b,0x3d,0x95,0x67,0x9f,0xf2,0xca,0x9f,0x5b,0x4a,0x6f, + 0x6a,0xc3,0x56,0xb1,0x33,0x8e,0xc2,0x08,0x38,0x81,0xc0,0x12,0x87,0x55,0x42,0x62, + 0xc3,0x17,0xef,0x70,0xbc,0x47,0x5a,0x5e,0x81,0x63,0x3f,0x6e,0xdc,0x97,0xd9,0x21, + 0x1a,0xef,0xe4,0x75,0xac,0x11,0x19,0xc0,0x75,0x6d,0x23,0x18,0x05,0x72,0x73, +}; + +/** + * Implements credential_set_t.create_private_enumerator + */ +static enumerator_t* create_private_enumerator(private_load_tester_creds_t *this, + key_type_t type, identification_t *id) +{ + if (this->private == NULL) + { + return NULL; + } + if (type != KEY_ANY && type != KEY_RSA) + { + return NULL; + } + if (id) + { + identification_t *keyid; + + keyid = this->private->get_id(this->private, id->get_type(id)); + if (!keyid || !keyid->equals(keyid, id)) + { + return NULL; + } + } + return enumerator_create_single(this->private, NULL); +} + +/** + * Implements credential_set_t.create_cert_enumerator + */ +static enumerator_t* create_cert_enumerator(private_load_tester_creds_t *this, + certificate_type_t cert, key_type_t key, + identification_t *id, bool trusted) +{ + if (this->cert == NULL) + { + return NULL; + } + if (cert != CERT_ANY && cert != CERT_X509) + { + return NULL; + } + if (key != KEY_ANY && key != KEY_RSA) + { + return NULL; + } + if (id && !this->cert->has_subject(this->cert, id)) + { + return NULL; + } + return enumerator_create_single(this->cert, NULL); +} + +/** + * Implementation of load_tester_creds_t.destroy + */ +static void destroy(private_load_tester_creds_t *this) +{ + DESTROY_IF(this->private); + DESTROY_IF(this->cert); + free(this); +} + +load_tester_creds_t *load_tester_creds_create() +{ + private_load_tester_creds_t *this = malloc_thing(private_load_tester_creds_t); + + this->public.credential_set.create_shared_enumerator = (enumerator_t*(*)(credential_set_t*, shared_key_type_t, identification_t*, identification_t*))return_null; + this->public.credential_set.create_private_enumerator = (enumerator_t*(*) (credential_set_t*, key_type_t, identification_t*))create_private_enumerator; + this->public.credential_set.create_cert_enumerator = (enumerator_t*(*) (credential_set_t*, certificate_type_t, key_type_t,identification_t *, bool))create_cert_enumerator; + this->public.credential_set.create_cdp_enumerator = (enumerator_t*(*) (credential_set_t *,certificate_type_t, identification_t *))return_null; + this->public.credential_set.cache_cert = (void (*)(credential_set_t *, certificate_t *))nop; + this->public.destroy = (void(*) (load_tester_creds_t*))destroy; + + this->private = lib->creds->create(lib->creds, CRED_PRIVATE_KEY, KEY_RSA, + BUILD_BLOB_ASN1_DER, chunk_create(private, sizeof(private)), BUILD_END); + + this->cert = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509, + BUILD_BLOB_ASN1_DER, chunk_create(cert, sizeof(cert)), BUILD_END); + + return &this->public; +} + diff --git a/src/charon/plugins/load_tester/load_tester_creds.h b/src/charon/plugins/load_tester/load_tester_creds.h new file mode 100644 index 000000000..bc092bd12 --- /dev/null +++ b/src/charon/plugins/load_tester/load_tester_creds.h @@ -0,0 +1,53 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * $Id$ + */ + +/** + * @defgroup load_tester_creds_t load_tester_creds + * @{ @ingroup load_tester + */ + +#ifndef LOAD_TESTER_CREDS_H_ +#define LOAD_TESTER_CREDS_H_ + +#include <credentials/credential_set.h> + +typedef struct load_tester_creds_t load_tester_creds_t; + +/** + * Provide hard-coded credentials for load testing. + */ +struct load_tester_creds_t { + + /** + * Implements credential set interface. + */ + credential_set_t credential_set; + + /** + * Destroy the backend. + */ + void (*destroy)(load_tester_creds_t *this); +}; + +/** + * Create a credential set for load testing. + * + * @return credential set + */ +load_tester_creds_t *load_tester_creds_create(); + +#endif /* LOAD_TESTER_CREDS_H_ @}*/ diff --git a/src/charon/plugins/load_tester/load_tester_ipsec.c b/src/charon/plugins/load_tester/load_tester_ipsec.c new file mode 100644 index 000000000..9abd65195 --- /dev/null +++ b/src/charon/plugins/load_tester/load_tester_ipsec.c @@ -0,0 +1,165 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * $Id$ + */ + +#include "load_tester_ipsec.h" + +#include <time.h> + +typedef struct private_load_tester_ipsec_t private_load_tester_ipsec_t; + +/** + * Private variables and functions of kernel_pfkey class. + */ +struct private_load_tester_ipsec_t { + /** + * Public interface. + */ + load_tester_ipsec_t public; + + /** + * faked SPI counter + */ + u_int32_t spi; +}; + +/** + * Implementation of kernel_interface_t.get_spi. + */ +static status_t get_spi(private_load_tester_ipsec_t *this, + host_t *src, host_t *dst, + protocol_id_t protocol, u_int32_t reqid, + u_int32_t *spi) +{ + *spi = ++this->spi; + return SUCCESS; +} + +/** + * Implementation of kernel_interface_t.get_cpi. + */ +static status_t get_cpi(private_load_tester_ipsec_t *this, + host_t *src, host_t *dst, + u_int32_t reqid, u_int16_t *cpi) +{ + return FAILED; +} + +/** + * Implementation of kernel_interface_t.add_sa. + */ +static status_t add_sa(private_load_tester_ipsec_t *this, + host_t *src, host_t *dst, u_int32_t spi, + protocol_id_t protocol, u_int32_t reqid, + u_int64_t expire_soft, u_int64_t expire_hard, + u_int16_t enc_alg, chunk_t enc_key, + u_int16_t int_alg, chunk_t int_key, + ipsec_mode_t mode, u_int16_t ipcomp, u_int16_t cpi, + bool encap, bool inbound) +{ + return SUCCESS; +} + +/** + * Implementation of kernel_interface_t.update_sa. + */ +static status_t update_sa(private_load_tester_ipsec_t *this, + u_int32_t spi, protocol_id_t protocol, u_int16_t cpi, + host_t *src, host_t *dst, + host_t *new_src, host_t *new_dst, + bool encap, bool new_encap) +{ + return SUCCESS; +} + +/** + * Implementation of kernel_interface_t.del_sa. + */ +static status_t del_sa(private_load_tester_ipsec_t *this, host_t *dst, + u_int32_t spi, protocol_id_t protocol, u_int16_t cpi) +{ + return SUCCESS; +} + +/** + * Implementation of kernel_interface_t.add_policy. + */ +static status_t add_policy(private_load_tester_ipsec_t *this, + host_t *src, host_t *dst, + traffic_selector_t *src_ts, + traffic_selector_t *dst_ts, + policy_dir_t direction, u_int32_t spi, + protocol_id_t protocol, u_int32_t reqid, + ipsec_mode_t mode, u_int16_t ipcomp, u_int16_t cpi, + bool routed) +{ + return SUCCESS; +} + +/** + * Implementation of kernel_interface_t.query_policy. + */ +static status_t query_policy(private_load_tester_ipsec_t *this, + traffic_selector_t *src_ts, + traffic_selector_t *dst_ts, + policy_dir_t direction, u_int32_t *use_time) +{ + *use_time = time(NULL); + return SUCCESS; +} + +/** + * Implementation of kernel_interface_t.del_policy. + */ +static status_t del_policy(private_load_tester_ipsec_t *this, + traffic_selector_t *src_ts, + traffic_selector_t *dst_ts, + policy_dir_t direction, bool unrouted) +{ + return SUCCESS; +} + +/** + * Implementation of kernel_interface_t.destroy. + */ +static void destroy(private_load_tester_ipsec_t *this) +{ + free(this); +} + +/* + * Described in header. + */ +load_tester_ipsec_t *load_tester_ipsec_create() +{ + private_load_tester_ipsec_t *this = malloc_thing(private_load_tester_ipsec_t); + + /* public functions */ + this->public.interface.get_spi = (status_t(*)(kernel_ipsec_t*,host_t*,host_t*,protocol_id_t,u_int32_t,u_int32_t*))get_spi; + this->public.interface.get_cpi = (status_t(*)(kernel_ipsec_t*,host_t*,host_t*,u_int32_t,u_int16_t*))get_cpi; + this->public.interface.add_sa = (status_t(*)(kernel_ipsec_t *,host_t*,host_t*,u_int32_t,protocol_id_t,u_int32_t,u_int64_t,u_int64_t,u_int16_t,chunk_t,u_int16_t,chunk_t,ipsec_mode_t,u_int16_t,u_int16_t,bool,bool))add_sa; + this->public.interface.update_sa = (status_t(*)(kernel_ipsec_t*,u_int32_t,protocol_id_t,u_int16_t,host_t*,host_t*,host_t*,host_t*,bool,bool))update_sa; + this->public.interface.del_sa = (status_t(*)(kernel_ipsec_t*,host_t*,u_int32_t,protocol_id_t,u_int16_t))del_sa; + this->public.interface.add_policy = (status_t(*)(kernel_ipsec_t *this,host_t *, host_t *,traffic_selector_t *,traffic_selector_t *,policy_dir_t, u_int32_t,protocol_id_t, u_int32_t,ipsec_mode_t, u_int16_t, u_int16_t,bool))add_policy; + this->public.interface.query_policy = (status_t(*)(kernel_ipsec_t*,traffic_selector_t*,traffic_selector_t*,policy_dir_t,u_int32_t*))query_policy; + this->public.interface.del_policy = (status_t(*)(kernel_ipsec_t*,traffic_selector_t*,traffic_selector_t*,policy_dir_t,bool))del_policy; + this->public.interface.destroy = (void(*)(kernel_ipsec_t*)) destroy; + + this->spi = 0; + + return &this->public; +} + diff --git a/src/charon/plugins/load_tester/load_tester_ipsec.h b/src/charon/plugins/load_tester/load_tester_ipsec.h new file mode 100644 index 000000000..34a99dcbd --- /dev/null +++ b/src/charon/plugins/load_tester/load_tester_ipsec.h @@ -0,0 +1,48 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * $Id$ + */ + +/** + * @defgroup load_tester_ipsec_i load_tester_ipsec + * @{ @ingroup load_tester + */ + +#ifndef LOAD_TESTER_IPSEC_H_ +#define LOAD_TESTER_IPSEC_H_ + +#include <kernel/kernel_ipsec.h> + +typedef struct load_tester_ipsec_t load_tester_ipsec_t; + +/** + * Implementation of a fake kernel ipsec interface for load testing. + */ +struct load_tester_ipsec_t { + + /** + * Implements kernel_ipsec_t interface + */ + kernel_ipsec_t interface; +}; + +/** + * Create a faked kernel ipsec interface instance. + * + * @return kernel_load_tester_ipsec_t instance + */ +load_tester_ipsec_t *load_tester_ipsec_create(); + +#endif /* LOAD_TESTER_IPSEC_H_ @} */ diff --git a/src/charon/plugins/load_tester/load_tester_listener.c b/src/charon/plugins/load_tester/load_tester_listener.c new file mode 100644 index 000000000..991408a44 --- /dev/null +++ b/src/charon/plugins/load_tester/load_tester_listener.c @@ -0,0 +1,75 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * $Id$ + */ + +#include "load_tester_listener.h" + +#include <daemon.h> +#include <processing/jobs/delete_ike_sa_job.h> + +typedef struct private_load_tester_listener_t private_load_tester_listener_t; + +/** + * Private data of an load_tester_listener_t object + */ +struct private_load_tester_listener_t { + /** + * Public part + */ + load_tester_listener_t public; + + /** + * Delete IKE_SA after it has been established + */ + bool delete_after_established; +}; + +/** + * Implementation of listener_t.ike_state_change + */ +static bool ike_state_change(private_load_tester_listener_t *this, + ike_sa_t *ike_sa, ike_sa_state_t state) +{ + if (this->delete_after_established && state == IKE_ESTABLISHED) + { + charon->processor->queue_job(charon->processor, + (job_t*)delete_ike_sa_job_create(ike_sa->get_id(ike_sa), TRUE)); + } + return TRUE; +} + +/** + * Implementation of load_tester_listener_t.destroy + */ +static void destroy(private_load_tester_listener_t *this) +{ + free(this); +} + +load_tester_listener_t *load_tester_listener_create() +{ + private_load_tester_listener_t *this = malloc_thing(private_load_tester_listener_t); + + memset(&this->public.listener, 0, sizeof(listener_t)); + this->public.listener.ike_state_change = (void*)ike_state_change; + this->public.destroy = (void(*) (load_tester_listener_t*))destroy; + + this->delete_after_established = lib->settings->get_bool(lib->settings, + "charon.plugins.load_tester.delete_after_established", FALSE); + + return &this->public; +} + diff --git a/src/charon/plugins/load_tester/load_tester_listener.h b/src/charon/plugins/load_tester/load_tester_listener.h new file mode 100644 index 000000000..28bb57d05 --- /dev/null +++ b/src/charon/plugins/load_tester/load_tester_listener.h @@ -0,0 +1,53 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * $Id$ + */ + +/** + * @defgroup load_tester_listener_t load_tester_listener + * @{ @ingroup load_tester + */ + +#ifndef LOAD_TESTER_LISTENER_H_ +#define LOAD_TESTER_LISTENER_H_ + +#include <bus/bus.h> + +typedef struct load_tester_listener_t load_tester_listener_t; + +/** + * Provide hard-coded credentials for load testing. + */ +struct load_tester_listener_t { + + /** + * Implements listener set interface. + */ + listener_t listener; + + /** + * Destroy the backend. + */ + void (*destroy)(load_tester_listener_t *this); +}; + +/** + * Create a listener to handle special events during load test + * + * @return listener + */ +load_tester_listener_t *load_tester_listener_create(); + +#endif /* LOAD_TESTER_LISTENER_H_ @}*/ diff --git a/src/charon/plugins/load_tester/load_tester_plugin.c b/src/charon/plugins/load_tester/load_tester_plugin.c new file mode 100644 index 000000000..aff83a9a7 --- /dev/null +++ b/src/charon/plugins/load_tester/load_tester_plugin.c @@ -0,0 +1,175 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * $Id$ + */ + +#include "load_tester_plugin.h" +#include "load_tester_config.h" +#include "load_tester_creds.h" +#include "load_tester_ipsec.h" +#include "load_tester_listener.h" + +#include <unistd.h> + +#include <daemon.h> +#include <processing/jobs/callback_job.h> + +typedef struct private_load_tester_plugin_t private_load_tester_plugin_t; + +/** + * private data of load_tester plugin + */ +struct private_load_tester_plugin_t { + + /** + * implements plugin interface + */ + load_tester_plugin_t public; + + /** + * load_tester configuration backend + */ + load_tester_config_t *config; + + /** + * load_tester credential set implementation + */ + load_tester_creds_t *creds; + + /** + * event handler, listens on bus + */ + load_tester_listener_t *listener; + + /** + * number of iterations per thread + */ + int iterations; + + /** + * number of threads + */ + int initiators; + + /** + * delay between initiations, in ms + */ + int delay; +}; + +/** + * Begin the load test + */ +static job_requeue_t do_load_test(private_load_tester_plugin_t *this) +{ + peer_cfg_t *peer_cfg; + child_cfg_t *child_cfg = NULL;; + enumerator_t *enumerator; + int i, s = 0, ms = 0; + + if (this->delay) + { + s = this->delay / 1000; + ms = this->delay % 1000; + } + peer_cfg = charon->backends->get_peer_cfg_by_name(charon->backends, + "load-test"); + if (peer_cfg) + { + enumerator = peer_cfg->create_child_cfg_enumerator(peer_cfg); + if (enumerator->enumerate(enumerator, &child_cfg)) + { + child_cfg->get_ref(child_cfg); + } + enumerator->destroy(enumerator); + + if (child_cfg) + { + for (i = 0; this->iterations == 0 || i < this->iterations; i++) + { + charon->controller->initiate(charon->controller, + peer_cfg->get_ref(peer_cfg), child_cfg->get_ref(child_cfg), + NULL, NULL); + + if (s) + { + sleep(s); + } + if (ms) + { + usleep(ms * 1000); + } + } + child_cfg->destroy(child_cfg); + } + peer_cfg->destroy(peer_cfg); + } + return JOB_REQUEUE_NONE; +} + +/** + * Implementation of plugin_t.destroy + */ +static void destroy(private_load_tester_plugin_t *this) +{ + charon->kernel_interface->remove_ipsec_interface(charon->kernel_interface, + (kernel_ipsec_constructor_t)load_tester_ipsec_create); + charon->backends->remove_backend(charon->backends, &this->config->backend); + charon->credentials->remove_set(charon->credentials, &this->creds->credential_set); + charon->bus->remove_listener(charon->bus, &this->listener->listener); + this->config->destroy(this->config); + this->creds->destroy(this->creds); + this->listener->destroy(this->listener); + free(this); +} + +/* + * see header file + */ +plugin_t *plugin_create() +{ + private_load_tester_plugin_t *this = malloc_thing(private_load_tester_plugin_t); + int i; + + this->public.plugin.destroy = (void(*)(plugin_t*))destroy; + + this->config = load_tester_config_create(); + this->creds = load_tester_creds_create(); + this->listener = load_tester_listener_create(); + charon->backends->add_backend(charon->backends, &this->config->backend); + charon->credentials->add_set(charon->credentials, &this->creds->credential_set); + charon->bus->add_listener(charon->bus, &this->listener->listener); + + if (lib->settings->get_bool(lib->settings, + "charon.plugins.load_tester.fake_kernel", FALSE)) + { + charon->kernel_interface->add_ipsec_interface(charon->kernel_interface, + (kernel_ipsec_constructor_t)load_tester_ipsec_create); + } + this->delay = lib->settings->get_int(lib->settings, + "charon.plugins.load_tester.delay", 0); + this->iterations = lib->settings->get_int(lib->settings, + "charon.plugins.load_tester.iterations", 1); + this->initiators = lib->settings->get_int(lib->settings, + "charon.plugins.load_tester.initiators", 0); + for (i = 0; i < this->initiators; i++) + { + charon->processor->queue_job(charon->processor, + (job_t*)callback_job_create((callback_job_cb_t)do_load_test, + this, NULL, NULL)); + } + return &this->public.plugin; +} + diff --git a/src/charon/plugins/load_tester/load_tester_plugin.h b/src/charon/plugins/load_tester/load_tester_plugin.h new file mode 100644 index 000000000..10088bfa2 --- /dev/null +++ b/src/charon/plugins/load_tester/load_tester_plugin.h @@ -0,0 +1,51 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * $Id$ + */ + +/** + * @defgroup load_tester load_tester + * @ingroup cplugins + * + * @defgroup load_tester_plugin load_tester_plugin + * @{ @ingroup load_tester + */ + +#ifndef LOAD_TESTER_PLUGIN_H_ +#define LOAD_TESTER_PLUGIN_H_ + +#include <plugins/plugin.h> + +typedef struct load_tester_plugin_t load_tester_plugin_t; + +/** + * Load tester plugin to inspect system core under high load. + * + * This plugin + */ +struct load_tester_plugin_t { + + /** + * implements plugin interface + */ + plugin_t plugin; +}; + +/** + * Create a load_tester_plugin instance. + */ +plugin_t *plugin_create(); + +#endif /* LOAD_TESTER_PLUGIN_H_ @}*/ diff --git a/src/charon/plugins/medcli/medcli_listener.c b/src/charon/plugins/medcli/medcli_listener.c index 3b4156903..c057ea2b5 100644 --- a/src/charon/plugins/medcli/medcli_listener.c +++ b/src/charon/plugins/medcli/medcli_listener.c @@ -51,36 +51,55 @@ struct private_medcli_listener_t { /** * Implementation of bus_listener_t.signal. */ -static bool signal_(private_medcli_listener_t *this, signal_t signal, - level_t level, int thread, ike_sa_t* ike_sa, void *data, - char *format, va_list args) +static void set_state(private_medcli_listener_t *this, char *alias, + mediated_state_t state) { - mediated_state_t state; - - if (!ike_sa) + this->db->execute(this->db, NULL, + "UPDATE Connection SET Status = ? WHERE Alias = ?", + DB_UINT, state, DB_TEXT, alias); +} +/** + * Implementation of listener_t.ike_state_change + */ +static bool ike_state_change(private_medcli_listener_t *this, + ike_sa_t *ike_sa, ike_sa_state_t state) +{ + if (ike_sa) { - return TRUE; + switch (state) + { + case IKE_CONNECTING: + set_state(this, ike_sa->get_name(ike_sa), STATE_CONNECTING); + break; + case IKE_DESTROYING: + set_state(this, ike_sa->get_name(ike_sa), STATE_DOWN); + default: + break; + } } + return TRUE; +} - switch (signal) +/** + * Implementation of listener_t.child_state_change + */ +static bool child_state_change(private_medcli_listener_t *this, + ike_sa_t *ike_sa, child_sa_t *child_sa, child_sa_state_t state) +{ + if (ike_sa && child_sa) { - case IKE_UP_START: - state = STATE_CONNECTING; - break; - case IKE_UP_FAILED: - case IKE_DOWN_SUCCESS: - case IKE_DOWN_FAILED: - state = STATE_DOWN; - break; - case IKE_UP_SUCCESS: - state = STATE_UP; - break; - default: - return TRUE; + switch (state) + { + case CHILD_INSTALLED: + set_state(this, child_sa->get_name(child_sa), STATE_UP); + break; + case CHILD_DESTROYING: + set_state(this, child_sa->get_name(child_sa), STATE_DOWN); + break; + default: + break; + } } - this->db->execute(this->db, NULL, - "UPDATE Connection SET Status = ? WHERE Alias = ?", - DB_UINT, state, DB_TEXT, ike_sa->get_name(ike_sa)); return TRUE; } @@ -91,7 +110,7 @@ static void destroy(private_medcli_listener_t *this) { this->db->execute(this->db, NULL, "UPDATE Connection SET Status = ?", DB_UINT, STATE_DOWN); - free(this); + free(this); } /** @@ -100,8 +119,11 @@ static void destroy(private_medcli_listener_t *this) medcli_listener_t *medcli_listener_create(database_t *db) { private_medcli_listener_t *this = malloc_thing(private_medcli_listener_t); - - this->public.listener.signal = (bool(*)(bus_listener_t*,signal_t,level_t,int,ike_sa_t*,void*,char*,va_list))signal_; + + memset(&this->public.listener, 0, sizeof(listener_t)); + + this->public.listener.ike_state_change = (void*)ike_state_change; + this->public.listener.child_state_change = (void*)child_state_change; this->public.destroy = (void (*)(medcli_listener_t*))destroy; this->db = db; diff --git a/src/charon/plugins/medcli/medcli_listener.h b/src/charon/plugins/medcli/medcli_listener.h index f07218d78..4cec3caad 100644 --- a/src/charon/plugins/medcli/medcli_listener.h +++ b/src/charon/plugins/medcli/medcli_listener.h @@ -36,7 +36,7 @@ struct medcli_listener_t { /** * Implements bus_listener_t interface */ - bus_listener_t listener; + listener_t listener; /** * Destroy the credentials databse. diff --git a/src/charon/plugins/nm/Makefile.am b/src/charon/plugins/nm/Makefile.am index 107ca1a31..bb5436443 100644 --- a/src/charon/plugins/nm/Makefile.am +++ b/src/charon/plugins/nm/Makefile.am @@ -25,4 +25,4 @@ EXTRA_DIST = gnome/configure gnome/po/LINGUAS gnome/po/POTFILES.in gnome/po/Make gnome/config.sub gnome/missing gnome/configure : gnome/configure.in - cd gnome && ./autogen.sh; cd .. + (cd `dirname $<` && ./autogen.sh) diff --git a/src/charon/plugins/nm/Makefile.in b/src/charon/plugins/nm/Makefile.in index 46e4ab851..4f75da14f 100644 --- a/src/charon/plugins/nm/Makefile.in +++ b/src/charon/plugins/nm/Makefile.in @@ -513,7 +513,7 @@ uninstall-am: uninstall-pluginLTLIBRARIES gnome/configure : gnome/configure.in - cd gnome && ./autogen.sh; cd .. + (cd `dirname $<` && ./autogen.sh) # Tell versions [3.59,3.63) of GNU make to not export all variables. # Otherwise a system limit (for SysV at least) may be exceeded. .NOEXPORT: diff --git a/src/charon/plugins/nm/nm_creds.c b/src/charon/plugins/nm/nm_creds.c index f165653ae..e7cd640a7 100644 --- a/src/charon/plugins/nm/nm_creds.c +++ b/src/charon/plugins/nm/nm_creds.c @@ -15,12 +15,10 @@ * $Id$ */ -#define _GNU_SOURCE -#include <pthread.h> - #include "nm_creds.h" #include <daemon.h> +#include <utils/mutex.h> typedef struct private_nm_creds_t private_nm_creds_t; @@ -62,7 +60,7 @@ struct private_nm_creds_t { /** * read/write lock */ - pthread_rwlock_t lock; + rwlock_t *lock; }; /** @@ -91,10 +89,10 @@ static enumerator_t *create_usercert_enumerator(private_nm_creds_t *this, } public->destroy(public); } - pthread_rwlock_rdlock(&this->lock); + this->lock->read_lock(this->lock); return enumerator_create_cleaner( enumerator_create_single(this->usercert, NULL), - (void*)pthread_rwlock_unlock, &this->lock); + (void*)this->lock->unlock, this->lock); } /** @@ -138,9 +136,9 @@ static enumerator_t* create_cert_enumerator(private_nm_creds_t *this, } public->destroy(public); } - pthread_rwlock_rdlock(&this->lock); + this->lock->read_lock(this->lock); return enumerator_create_cleaner(enumerator_create_single(this->cert, NULL), - (void*)pthread_rwlock_unlock, &this->lock); + (void*)this->lock->unlock, this->lock); } /** @@ -167,9 +165,9 @@ static enumerator_t* create_private_enumerator(private_nm_creds_t *this, return NULL; } } - pthread_rwlock_rdlock(&this->lock); + this->lock->read_lock(this->lock); return enumerator_create_cleaner(enumerator_create_single(this->key, NULL), - (void*)pthread_rwlock_unlock, &this->lock); + (void*)this->lock->unlock, this->lock); } /** @@ -205,7 +203,7 @@ static bool shared_enumerate(shared_enumerator_t *this, shared_key_t **key, static void shared_destroy(shared_enumerator_t *this) { this->key->destroy(this->key); - pthread_rwlock_unlock(&this->this->lock); + this->this->lock->unlock(this->this->lock); free(this); } /** @@ -235,7 +233,7 @@ static enumerator_t* create_shared_enumerator(private_nm_creds_t *this, enumerator->public.destroy = (void*)shared_destroy; enumerator->this = this; enumerator->done = FALSE; - pthread_rwlock_rdlock(&this->lock); + this->lock->read_lock(this->lock); enumerator->key = shared_key_create(type, chunk_clone(chunk_create(this->pass, strlen(this->pass)))); @@ -247,10 +245,10 @@ static enumerator_t* create_shared_enumerator(private_nm_creds_t *this, */ static void set_certificate(private_nm_creds_t *this, certificate_t *cert) { - pthread_rwlock_wrlock(&this->lock); + this->lock->write_lock(this->lock); DESTROY_IF(this->cert); this->cert = cert; - pthread_rwlock_unlock(&this->lock); + this->lock->unlock(this->lock); } /** @@ -259,14 +257,14 @@ static void set_certificate(private_nm_creds_t *this, certificate_t *cert) static void set_username_password(private_nm_creds_t *this, identification_t *id, char *password) { - pthread_rwlock_wrlock(&this->lock); + this->lock->write_lock(this->lock); DESTROY_IF(this->user); /* for EAP authentication, we use always use ID_EAP type */ this->user = identification_create_from_encoding(ID_EAP, id->get_encoding(id)); free(this->pass); this->pass = password ? strdup(password) : NULL; - pthread_rwlock_unlock(&this->lock); + this->lock->unlock(this->lock); } /** @@ -275,12 +273,12 @@ static void set_username_password(private_nm_creds_t *this, identification_t *id static void set_cert_and_key(private_nm_creds_t *this, certificate_t *cert, private_key_t *key) { - pthread_rwlock_wrlock(&this->lock); + this->lock->write_lock(this->lock); DESTROY_IF(this->key); DESTROY_IF(this->usercert); this->key = key; this->usercert = cert; - pthread_rwlock_unlock(&this->lock); + this->lock->unlock(this->lock); } /** @@ -306,7 +304,7 @@ static void clear(private_nm_creds_t *this) static void destroy(private_nm_creds_t *this) { clear(this); - pthread_rwlock_destroy(&this->lock); + this->lock->destroy(this->lock); free(this); } @@ -328,7 +326,7 @@ nm_creds_t *nm_creds_create() this->public.clear = (void(*)(nm_creds_t*))clear; this->public.destroy = (void(*)(nm_creds_t*))destroy; - pthread_rwlock_init(&this->lock, NULL); + this->lock = rwlock_create(RWLOCK_DEFAULT); this->cert = NULL; this->user = NULL; diff --git a/src/charon/plugins/nm/nm_service.c b/src/charon/plugins/nm/nm_service.c index fbc094a3b..f90bfa448 100644 --- a/src/charon/plugins/nm/nm_service.c +++ b/src/charon/plugins/nm/nm_service.c @@ -34,7 +34,7 @@ G_DEFINE_TYPE(NMStrongswanPlugin, nm_strongswan_plugin, NM_TYPE_VPN_PLUGIN) * Private data of NMStrongswanPlugin */ typedef struct { - bus_listener_t listener; + listener_t listener; ike_sa_t *ike_sa; NMVPNPlugin *plugin; nm_creds_t *creds; @@ -45,109 +45,88 @@ typedef struct { NM_TYPE_STRONGSWAN_PLUGIN, NMStrongswanPluginPrivate)) /** - * convert a traffic selector address range to subnet and its mask. + * signal IPv4 config to NM, set connection as established */ -static u_int ts2subnet(traffic_selector_t* ts, u_int8_t *mask) +static void signal_ipv4_config(NMVPNPlugin *plugin, + ike_sa_t *ike_sa, child_sa_t *child_sa) { - /* there is no way to do this cleanly, as the address range may - * be anything else but a subnet. We use from_addr as subnet - * and try to calculate a usable subnet mask. - */ - int byte, bit, net; - bool found = FALSE; - chunk_t from, to; - size_t size = (ts->get_type(ts) == TS_IPV4_ADDR_RANGE) ? 4 : 16; + GValue *val; + GHashTable *config; + host_t *me, *other; - from = ts->get_from_address(ts); - to = ts->get_to_address(ts); + config = g_hash_table_new(g_str_hash, g_str_equal); + me = ike_sa->get_my_host(ike_sa); + other = ike_sa->get_other_host(ike_sa); - *mask = (size * 8); - /* go trough all bits of the addresses, beginning in the front. - * as long as they are equal, the subnet gets larger - */ - for (byte = 0; byte < size; byte++) - { - for (bit = 7; bit >= 0; bit--) - { - if ((1<<bit & from.ptr[byte]) != (1<<bit & to.ptr[byte])) - { - *mask = ((7 - bit) + (byte * 8)); - found = TRUE; - break; - } - } - if (found) - { - break; - } - } - net = *(u_int32_t*)from.ptr; - chunk_free(&from); - chunk_free(&to); - return net; + /* NM requires a tundev, but netkey does not use one. Passing an invalid + * iface makes NM complain, but it accepts it without fiddling on eth0. */ + val = g_slice_new0 (GValue); + g_value_init (val, G_TYPE_STRING); + g_value_set_string (val, "none"); + g_hash_table_insert (config, NM_VPN_PLUGIN_IP4_CONFIG_TUNDEV, val); + + val = g_slice_new0(GValue); + g_value_init(val, G_TYPE_UINT); + g_value_set_uint(val, *(u_int32_t*)me->get_address(me).ptr); + g_hash_table_insert(config, NM_VPN_PLUGIN_IP4_CONFIG_ADDRESS, val); + + val = g_slice_new0(GValue); + g_value_init(val, G_TYPE_UINT); + g_value_set_uint(val, me->get_address(me).len * 8); + g_hash_table_insert(config, NM_VPN_PLUGIN_IP4_CONFIG_PREFIX, val); + + nm_vpn_plugin_set_ip4_config(plugin, config); } /** - * signal IPv4 config to NM, set connection as established + * signal failure to NM, connecting failed */ -static void signal_ipv4_config(NMVPNPlugin *plugin, child_sa_t *child_sa) +static void signal_failure(NMVPNPlugin *plugin) { - linked_list_t *list; - traffic_selector_t *ts = NULL; - enumerator_t *enumerator; + /* TODO: NM does not handle this failure!? + nm_vpn_plugin_failure(plugin, NM_VPN_PLUGIN_FAILURE_LOGIN_FAILED); */ + nm_vpn_plugin_set_state(plugin, NM_VPN_SERVICE_STATE_STOPPED); +} + +/** + * Implementation of listener_t.ike_state_change + */ +static bool ike_state_change(listener_t *listener, ike_sa_t *ike_sa, + ike_sa_state_t state) +{ + NMStrongswanPluginPrivate *private = (NMStrongswanPluginPrivate*)listener; - list = child_sa->get_traffic_selectors(child_sa, FALSE); - enumerator = list->create_enumerator(list); - while (enumerator->enumerate(enumerator, &ts)) + if (private->ike_sa == ike_sa) { - GValue *val; - GHashTable *config; - u_int8_t mask; - - config = g_hash_table_new(g_str_hash, g_str_equal); - - val = g_slice_new0(GValue); - g_value_init(val, G_TYPE_UINT); - g_value_set_uint(val, ts2subnet(ts, &mask)); - g_hash_table_insert(config, NM_VPN_PLUGIN_IP4_CONFIG_ADDRESS, val); - - val = g_slice_new0(GValue); - g_value_init(val, G_TYPE_UINT); - g_value_set_uint(val, mask); - g_hash_table_insert(config, NM_VPN_PLUGIN_IP4_CONFIG_PREFIX, val); - - nm_vpn_plugin_set_ip4_config(plugin, config); + switch (state) + { + case IKE_DESTROYING: + signal_failure(private->plugin); + return FALSE; + default: + break; + } } - enumerator->destroy(enumerator); + return TRUE; } /** - * Bus listen function to wait for SA establishing + * Implementation of listener_t.child_state_change */ -bool listen_bus(bus_listener_t *listener, signal_t signal, level_t level, - int thread, ike_sa_t *ike_sa, void *data, - char* format, va_list args) +static bool child_state_change(listener_t *listener, ike_sa_t *ike_sa, + child_sa_t *child_sa, child_sa_state_t state) { NMStrongswanPluginPrivate *private = (NMStrongswanPluginPrivate*)listener; - + if (private->ike_sa == ike_sa) { - switch (signal) + switch (state) { - case CHD_UP_SUCCESS: - if (data) - { - signal_ipv4_config(private->plugin, (child_sa_t*)data); - return FALSE; - } - /* FALL */ - case IKE_UP_FAILED: - case CHD_UP_FAILED: - /* TODO: NM does not handle this failure!? - nm_vpn_plugin_failure(private->plugin, - NM_VPN_PLUGIN_FAILURE_LOGIN_FAILED); */ - nm_vpn_plugin_set_state(private->plugin, - NM_VPN_SERVICE_STATE_STOPPED); + case CHILD_INSTALLED: + signal_ipv4_config(private->plugin, ike_sa, child_sa); + return FALSE; + case CHILD_DESTROYING: + signal_failure(private->plugin); return FALSE; default: break; @@ -462,8 +441,13 @@ static gboolean disconnect(NMVPNPlugin *plugin, GError **err) */ static void nm_strongswan_plugin_init(NMStrongswanPlugin *plugin) { - NM_STRONGSWAN_PLUGIN_GET_PRIVATE(plugin)->plugin = NM_VPN_PLUGIN(plugin); - NM_STRONGSWAN_PLUGIN_GET_PRIVATE(plugin)->listener.signal = listen_bus; + NMStrongswanPluginPrivate *private; + + private = NM_STRONGSWAN_PLUGIN_GET_PRIVATE(plugin); + private->plugin = NM_VPN_PLUGIN(plugin); + memset(&private->listener.log, 0, sizeof(listener_t)); + private->listener.ike_state_change = ike_state_change; + private->listener.child_state_change = child_state_change; } /** diff --git a/src/charon/plugins/smp/smp.c b/src/charon/plugins/smp/smp.c index 0870cad4c..237e9d86a 100644 --- a/src/charon/plugins/smp/smp.c +++ b/src/charon/plugins/smp/smp.c @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: smp.c 4358 2008-09-25 13:56:23Z tobias $ + * $Id: smp.c 4446 2008-10-15 12:24:44Z martin $ */ #include <stdlib.h> @@ -181,19 +181,13 @@ static void write_childend(xmlTextWriterPtr writer, child_sa_t *child, bool loca */ static void write_child(xmlTextWriterPtr writer, child_sa_t *child) { - ipsec_mode_t mode; - encryption_algorithm_t encr; - integrity_algorithm_t int_algo; - size_t encr_len, int_len; - u_int32_t rekey, use_in, use_out, use_fwd; child_cfg_t *config; config = child->get_config(child); - child->get_stats(child, &mode, &encr, &encr_len, &int_algo, &int_len, - &rekey, &use_in, &use_out, &use_fwd); xmlTextWriterStartElement(writer, "childsa"); - xmlTextWriterWriteFormatElement(writer, "reqid", "%d", child->get_reqid(child)); + xmlTextWriterWriteFormatElement(writer, "reqid", "%d", + child->get_reqid(child)); xmlTextWriterWriteFormatElement(writer, "childconfig", "%s", config->get_name(config)); xmlTextWriterStartElement(writer, "local"); @@ -359,15 +353,15 @@ static void request_query_config(xmlTextReaderPtr reader, xmlTextWriterPtr write /** * callback which logs to a XML writer */ -static bool xml_callback(xmlTextWriterPtr writer, signal_t signal, level_t level, - ike_sa_t* ike_sa, void *data, char* format, va_list args) +static bool xml_callback(xmlTextWriterPtr writer, debug_t group, level_t level, + ike_sa_t* ike_sa, char* format, va_list args) { if (level <= 1) { /* <item> */ xmlTextWriterStartElement(writer, "item"); xmlTextWriterWriteFormatAttribute(writer, "level", "%d", level); - xmlTextWriterWriteFormatAttribute(writer, "source", "%N", signal_names, signal); + xmlTextWriterWriteFormatAttribute(writer, "source", "%N", debug_names, group); xmlTextWriterWriteFormatAttribute(writer, "thread", "%u", pthread_self()); xmlTextWriterWriteVFormatString(writer, format, args); xmlTextWriterEndElement(writer); diff --git a/src/charon/plugins/sql/pool.c b/src/charon/plugins/sql/pool.c index b3ad72ab2..8f5dc54dd 100644 --- a/src/charon/plugins/sql/pool.c +++ b/src/charon/plugins/sql/pool.c @@ -36,14 +36,6 @@ database_t *db; host_t *start = NULL, *end = NULL; /** - * create a host from a blob - */ -static host_t *host_create_from_blob(chunk_t blob) -{ - return host_create_from_chunk(blob.len == 4 ? AF_INET : AF_INET6, blob, 0); -} - -/** * calculate the size of a pool using start and end address chunk */ static u_int get_pool_size(chunk_t start, chunk_t end) @@ -132,8 +124,8 @@ static void status(void) found = TRUE; } - start = host_create_from_blob(start_chunk); - end = host_create_from_blob(end_chunk); + start = host_create_from_chunk(AF_UNSPEC, start_chunk, 0); + end = host_create_from_chunk(AF_UNSPEC, end_chunk, 0); size = get_pool_size(start_chunk, end_chunk); printf("%8s %15H %15H ", name, start, end); if (timeout) @@ -541,7 +533,7 @@ static void leases(char *filter, bool utc) printf("%-8s %-15s %-7s %-*s %-*s %s\n", "name", "address", "status", len, "start", len, "end", "identity"); } - address = host_create_from_blob(address_chunk); + address = host_create_from_chunk(AF_UNSPEC, address_chunk, 0); identity = identification_create_from_encoding(identity_type, identity_chunk); printf("%-8s %-15H ", name, address); diff --git a/src/charon/plugins/sql/sql_attribute.c b/src/charon/plugins/sql/sql_attribute.c index 1e5c28966..486a432ca 100644 --- a/src/charon/plugins/sql/sql_attribute.c +++ b/src/charon/plugins/sql/sql_attribute.c @@ -17,6 +17,8 @@ #include "sql_attribute.h" +#include <time.h> + #include <daemon.h> typedef struct private_sql_attribute_t private_sql_attribute_t; @@ -43,22 +45,6 @@ struct private_sql_attribute_t { }; /** - * read a host_t address from the addresses table - */ -static host_t *host_from_chunk(chunk_t chunk) -{ - switch (chunk.len) - { - case 4: - return host_create_from_chunk(AF_INET, chunk, 0); - case 16: - return host_create_from_chunk(AF_INET6, chunk, 0); - default: - return NULL; - } -} - -/** * lookup/insert an identity */ static u_int get_identity(private_sql_attribute_t *this, identification_t *id) @@ -143,7 +129,7 @@ static host_t *get_address(private_sql_attribute_t *this, char *name, "WHERE id = ? AND identity = ? AND released != 0", DB_UINT, now, DB_UINT, id, DB_UINT, identity) > 0) { - host = host_from_chunk(address); + host = host_create_from_chunk(AF_UNSPEC, address, 0); if (host) { DBG1(DBG_CFG, "acquired existing lease " @@ -175,7 +161,7 @@ static host_t *get_address(private_sql_attribute_t *this, char *name, DB_UINT, now, DB_UINT, identity, DB_UINT, id, DB_UINT, now - timeout) > 0) { - host = host_from_chunk(address); + host = host_create_from_chunk(AF_UNSPEC, address, 0); if (host) { DBG1(DBG_CFG, "acquired new lease " diff --git a/src/charon/plugins/sql/sql_logger.c b/src/charon/plugins/sql/sql_logger.c index 6a87f9f1d..4cbaaa3e6 100644 --- a/src/charon/plugins/sql/sql_logger.c +++ b/src/charon/plugins/sql/sql_logger.c @@ -49,13 +49,11 @@ struct private_sql_logger_t { bool recursive; }; - /** - * Implementation of bus_listener_t.signal. + * Implementation of bus_listener_t.log. */ -static bool signal_(private_sql_logger_t *this, signal_t signal, level_t level, - int thread, ike_sa_t* ike_sa, void *data, - char *format, va_list args) +static bool log_(private_sql_logger_t *this, debug_t group, level_t level, + int thread, ike_sa_t* ike_sa, char *format, va_list args) { if (this->recursive) { @@ -111,7 +109,7 @@ static bool signal_(private_sql_logger_t *this, signal_t signal, level_t level, DB_BLOB, remote_host->get_address(remote_host)); this->db->execute(this->db, NULL, "INSERT INTO logs (" "local_spi, signal, level, msg) VALUES (?, ?, ?, ?)", - DB_BLOB, local_spi, DB_INT, signal, DB_INT, level, + DB_BLOB, local_spi, DB_INT, group, DB_INT, level, DB_TEXT, buffer); } this->recursive = FALSE; @@ -134,7 +132,8 @@ sql_logger_t *sql_logger_create(database_t *db) { private_sql_logger_t *this = malloc_thing(private_sql_logger_t); - this->public.listener.signal = (bool(*)(bus_listener_t*,signal_t,level_t,int,ike_sa_t*,void*,char*,va_list))signal_; + memset(&this->public.listener, 0, sizeof(listener_t)); + this->public.listener.log = (bool(*)(listener_t*,debug_t,level_t,int,ike_sa_t*,char*,va_list))log_; this->public.destroy = (void(*)(sql_logger_t*))destroy; this->db = db; diff --git a/src/charon/plugins/sql/sql_logger.h b/src/charon/plugins/sql/sql_logger.h index 30507bcaf..a2c6fb5e9 100644 --- a/src/charon/plugins/sql/sql_logger.h +++ b/src/charon/plugins/sql/sql_logger.h @@ -36,7 +36,7 @@ struct sql_logger_t { /** * Implements bus_listener_t interface */ - bus_listener_t listener; + listener_t listener; /** * Destry the backend. diff --git a/src/charon/plugins/stroke/stroke_ca.c b/src/charon/plugins/stroke/stroke_ca.c index 8569f49c3..54356436f 100644 --- a/src/charon/plugins/stroke/stroke_ca.c +++ b/src/charon/plugins/stroke/stroke_ca.c @@ -16,12 +16,10 @@ * $Id$ */ -#define _GNU_SOURCE -#include <pthread.h> - #include "stroke_ca.h" #include "stroke_cred.h" +#include <utils/mutex.h> #include <utils/linked_list.h> #include <crypto/hashers/hasher.h> @@ -42,7 +40,7 @@ struct private_stroke_ca_t { /** * read-write lock to lists */ - pthread_rwlock_t lock; + rwlock_t *lock; /** * list of starters CA sections and its certificates (ca_section_t) @@ -136,7 +134,7 @@ typedef struct { */ static void cdp_data_destroy(cdp_data_t *data) { - pthread_rwlock_unlock(&data->this->lock); + data->this->lock->unlock(data->this->lock); free(data); } @@ -236,7 +234,7 @@ static enumerator_t *create_cdp_enumerator(private_stroke_ca_t *this, data->type = type; data->id = id; - pthread_rwlock_rdlock(&this->lock); + this->lock->read_lock(this->lock); return enumerator_create_nested(this->sections->create_enumerator(this->sections), (type == CERT_X509) ? (void*)create_inner_cdp_hashandurl : (void*)create_inner_cdp, data, (void*)cdp_data_destroy); @@ -278,9 +276,9 @@ static void add(private_stroke_ca_t *this, stroke_msg_t *msg) { ca->certuribase = strdup(msg->add_ca.certuribase); } - pthread_rwlock_wrlock(&this->lock); + this->lock->write_lock(this->lock); this->sections->insert_last(this->sections, ca); - pthread_rwlock_unlock(&this->lock); + this->lock->unlock(this->lock); DBG1(DBG_CFG, "added ca '%s'", msg->add_ca.name); } } @@ -293,7 +291,7 @@ static void del(private_stroke_ca_t *this, stroke_msg_t *msg) enumerator_t *enumerator; ca_section_t *ca = NULL; - pthread_rwlock_wrlock(&this->lock); + this->lock->write_lock(this->lock); enumerator = this->sections->create_enumerator(this->sections); while (enumerator->enumerate(enumerator, &ca)) { @@ -305,7 +303,7 @@ static void del(private_stroke_ca_t *this, stroke_msg_t *msg) ca = NULL; } enumerator->destroy(enumerator); - pthread_rwlock_unlock(&this->lock); + this->lock->unlock(this->lock); if (ca == NULL) { DBG1(DBG_CFG, "no ca named '%s' found\n", msg->del_ca.name); @@ -356,7 +354,7 @@ static void check_for_hash_and_url(private_stroke_ca_t *this, certificate_t* cer return; } - pthread_rwlock_wrlock(&this->lock); + this->lock->write_lock(this->lock); enumerator = this->sections->create_enumerator(this->sections); while (enumerator->enumerate(enumerator, (void**)§ion)) { @@ -372,7 +370,7 @@ static void check_for_hash_and_url(private_stroke_ca_t *this, certificate_t* cer } } enumerator->destroy(enumerator); - pthread_rwlock_unlock(&this->lock); + this->lock->unlock(this->lock); hasher->destroy(hasher); } @@ -386,7 +384,7 @@ static void list(private_stroke_ca_t *this, stroke_msg_t *msg, FILE *out) ca_section_t *section; enumerator_t *enumerator; - pthread_rwlock_rdlock(&this->lock); + this->lock->read_lock(this->lock); enumerator = this->sections->create_enumerator(this->sections); while (enumerator->enumerate(enumerator, (void**)§ion)) { @@ -419,7 +417,7 @@ static void list(private_stroke_ca_t *this, stroke_msg_t *msg, FILE *out) } } enumerator->destroy(enumerator); - pthread_rwlock_unlock(&this->lock); + this->lock->unlock(this->lock); } /** @@ -428,7 +426,7 @@ static void list(private_stroke_ca_t *this, stroke_msg_t *msg, FILE *out) static void destroy(private_stroke_ca_t *this) { this->sections->destroy_function(this->sections, (void*)ca_section_destroy); - pthread_rwlock_destroy(&this->lock); + this->lock->destroy(this->lock); free(this); } @@ -451,7 +449,7 @@ stroke_ca_t *stroke_ca_create(stroke_cred_t *cred) this->public.destroy = (void(*)(stroke_ca_t*))destroy; this->sections = linked_list_create(); - pthread_rwlock_init(&this->lock, NULL); + this->lock = rwlock_create(RWLOCK_DEFAULT); this->cred = cred; return &this->public; diff --git a/src/charon/plugins/stroke/stroke_config.c b/src/charon/plugins/stroke/stroke_config.c index f10fe2051..cb91ecb72 100644 --- a/src/charon/plugins/stroke/stroke_config.c +++ b/src/charon/plugins/stroke/stroke_config.c @@ -19,6 +19,7 @@ #include <daemon.h> #include <utils/mutex.h> +#include <utils/lexparser.h> typedef struct private_stroke_config_t private_stroke_config_t; @@ -774,7 +775,8 @@ static child_cfg_t *build_child_cfg(private_stroke_config_t *this, msg->add_conn.rekey.margin * msg->add_conn.rekey.fuzz / 100, msg->add_conn.me.updown, msg->add_conn.me.hostaccess, msg->add_conn.mode, dpd, dpd, msg->add_conn.ipcomp); - + child_cfg->set_mipv6_options(child_cfg, msg->add_conn.proxy_mode, + msg->add_conn.install_policy); add_ts(this, &msg->add_conn.me, child_cfg, TRUE); add_ts(this, &msg->add_conn.other, child_cfg, FALSE); diff --git a/src/charon/plugins/stroke/stroke_control.c b/src/charon/plugins/stroke/stroke_control.c index ed9dd7b16..08d50519c 100644 --- a/src/charon/plugins/stroke/stroke_control.c +++ b/src/charon/plugins/stroke/stroke_control.c @@ -55,8 +55,8 @@ struct stroke_log_info_t { /** * logging to the stroke interface */ -static bool stroke_log(stroke_log_info_t *info, signal_t signal, level_t level, - ike_sa_t *ike_sa, void *data, char *format, va_list args) +static bool stroke_log(stroke_log_info_t *info, debug_t group, level_t level, + ike_sa_t *ike_sa, char *format, va_list args) { if (level <= info->level) { diff --git a/src/charon/plugins/stroke/stroke_cred.c b/src/charon/plugins/stroke/stroke_cred.c index c699a083e..23a6f99b0 100644 --- a/src/charon/plugins/stroke/stroke_cred.c +++ b/src/charon/plugins/stroke/stroke_cred.c @@ -15,8 +15,6 @@ * $Id$ */ -#define _GNU_SOURCE -#include <pthread.h> #include <sys/stat.h> #include <limits.h> @@ -28,6 +26,7 @@ #include <credentials/certificates/ac.h> #include <utils/linked_list.h> #include <utils/lexparser.h> +#include <utils/mutex.h> #include <asn1/pem.h> #include <daemon.h> @@ -73,7 +72,7 @@ struct private_stroke_cred_t { /** * read-write lock to lists */ - pthread_rwlock_t lock; + rwlock_t *lock; /** * cache CRLs to disk? @@ -94,7 +93,7 @@ typedef struct { */ static void id_data_destroy(id_data_t *data) { - pthread_rwlock_unlock(&data->this->lock); + data->this->lock->unlock(data->this->lock); free(data); } @@ -140,7 +139,7 @@ static enumerator_t* create_private_enumerator(private_stroke_cred_t *this, data->this = this; data->id = id; - pthread_rwlock_rdlock(&this->lock); + this->lock->read_lock(this->lock); return enumerator_create_filter(this->private->create_enumerator(this->private), (void*)private_filter, data, (void*)id_data_destroy); @@ -241,7 +240,7 @@ static enumerator_t* create_cert_enumerator(private_stroke_cred_t *this, data->this = this; data->id = id; - pthread_rwlock_rdlock(&this->lock); + this->lock->read_lock(this->lock); return enumerator_create_filter(this->certs->create_enumerator(this->certs), (cert == CERT_X509_CRL)? (void*)crl_filter : (void*)ac_filter, data, (void*)id_data_destroy); @@ -254,7 +253,7 @@ static enumerator_t* create_cert_enumerator(private_stroke_cred_t *this, data->this = this; data->id = id; - pthread_rwlock_rdlock(&this->lock); + this->lock->read_lock(this->lock); return enumerator_create_filter(this->certs->create_enumerator(this->certs), (void*)certs_filter, data, (void*)id_data_destroy); @@ -272,7 +271,7 @@ typedef struct { */ static void shared_data_destroy(shared_data_t *data) { - pthread_rwlock_unlock(&data->this->lock); + data->this->lock->unlock(data->this->lock); free(data); } @@ -324,7 +323,7 @@ static enumerator_t* create_shared_enumerator(private_stroke_cred_t *this, data->me = me; data->other = other; data->type = type; - pthread_rwlock_rdlock(&this->lock); + this->lock->read_lock(this->lock); return enumerator_create_filter(this->shared->create_enumerator(this->shared), (void*)shared_filter, data, (void*)shared_data_destroy); @@ -339,7 +338,7 @@ static certificate_t* add_cert(private_stroke_cred_t *this, certificate_t *cert) enumerator_t *enumerator; bool new = TRUE; - pthread_rwlock_rdlock(&this->lock); + this->lock->read_lock(this->lock); enumerator = this->certs->create_enumerator(this->certs); while (enumerator->enumerate(enumerator, (void**)¤t)) { @@ -358,7 +357,7 @@ static certificate_t* add_cert(private_stroke_cred_t *this, certificate_t *cert) { this->certs->insert_last(this->certs, cert); } - pthread_rwlock_unlock(&this->lock); + this->lock->unlock(this->lock); return cert; } @@ -400,7 +399,7 @@ static bool add_crl(private_stroke_cred_t *this, crl_t* crl) enumerator_t *enumerator; bool new = TRUE, found = FALSE; - pthread_rwlock_wrlock(&this->lock); + this->lock->write_lock(this->lock); enumerator = this->certs->create_enumerator(this->certs); while (enumerator->enumerate(enumerator, (void**)¤t)) { @@ -448,7 +447,7 @@ static bool add_crl(private_stroke_cred_t *this, crl_t* crl) { this->certs->insert_last(this->certs, cert); } - pthread_rwlock_unlock(&this->lock); + this->lock->unlock(this->lock); return new; } @@ -459,9 +458,9 @@ static bool add_ac(private_stroke_cred_t *this, ac_t* ac) { certificate_t *cert = &ac->certificate; - pthread_rwlock_wrlock(&this->lock); + this->lock->write_lock(this->lock); this->certs->insert_last(this->certs, cert); - pthread_rwlock_unlock(&this->lock); + this->lock->unlock(this->lock); return TRUE; } @@ -698,7 +697,7 @@ static void load_secrets(private_stroke_cred_t *this) fclose(fd); src = chunk; - pthread_rwlock_wrlock(&this->lock); + this->lock->write_lock(this->lock); while (this->shared->remove_last(this->shared, (void**)&shared) == SUCCESS) { @@ -868,7 +867,7 @@ static void load_secrets(private_stroke_cred_t *this) } } error: - pthread_rwlock_unlock(&this->lock); + this->lock->unlock(this->lock); chunk_clear(&chunk); } @@ -949,7 +948,7 @@ static void destroy(private_stroke_cred_t *this) this->certs->destroy_offset(this->certs, offsetof(certificate_t, destroy)); this->shared->destroy_offset(this->shared, offsetof(shared_key_t, destroy)); this->private->destroy_offset(this->private, offsetof(private_key_t, destroy)); - pthread_rwlock_destroy(&this->lock); + this->lock->destroy(this->lock); free(this); } @@ -974,7 +973,7 @@ stroke_cred_t *stroke_cred_create() this->certs = linked_list_create(); this->shared = linked_list_create(); this->private = linked_list_create(); - pthread_rwlock_init(&this->lock, NULL); + this->lock = rwlock_create(RWLOCK_DEFAULT); load_certs(this); load_secrets(this); diff --git a/src/charon/plugins/stroke/stroke_list.c b/src/charon/plugins/stroke/stroke_list.c index d531dca47..7d0ad4557 100644 --- a/src/charon/plugins/stroke/stroke_list.c +++ b/src/charon/plugins/stroke/stroke_list.c @@ -17,6 +17,8 @@ #include "stroke_list.h" +#include <time.h> + #include <daemon.h> #include <utils/linked_list.h> #include <credentials/certificates/x509.h> @@ -79,25 +81,32 @@ static void log_ike_sa(FILE *out, ike_sa_t *ike_sa, bool all) if (all) { - char *ike_proposal = ike_sa->get_proposal(ike_sa); - + proposal_t *ike_proposal; + + ike_proposal = ike_sa->get_proposal(ike_sa); + fprintf(out, "%12s[%d]: IKE SPIs: %.16llx_i%s %.16llx_r%s", ike_sa->get_name(ike_sa), ike_sa->get_unique_id(ike_sa), id->get_initiator_spi(id), id->is_initiator(id) ? "*" : "", id->get_responder_spi(id), id->is_initiator(id) ? "" : "*"); - - + + if (ike_sa->get_state(ike_sa) == IKE_ESTABLISHED) { - u_int32_t rekey = ike_sa->get_statistic(ike_sa, STAT_REKEY_TIME); - u_int32_t reauth = ike_sa->get_statistic(ike_sa, STAT_REAUTH_TIME); - + u_int32_t rekey, reauth, now; + + now = time(NULL); + rekey = ike_sa->get_statistic(ike_sa, STAT_REKEY); + reauth = ike_sa->get_statistic(ike_sa, STAT_REAUTH); + if (rekey) { + rekey -= now; fprintf(out, ", rekeying in %V", &rekey); } if (reauth) { + reauth -= now; fprintf(out, ", %N reauthentication in %V", auth_class_names, get_auth_class(ike_sa->get_peer_cfg(ike_sa)), &reauth); } @@ -107,13 +116,16 @@ static void log_ike_sa(FILE *out, ike_sa_t *ike_sa, bool all) } } fprintf(out, "\n"); - + if (ike_proposal) { + char buf[BUF_LEN]; + + snprintf(buf, BUF_LEN, "%P", ike_proposal); fprintf(out, "%12s[%d]: IKE proposal: %s\n", ike_sa->get_name(ike_sa), ike_sa->get_unique_id(ike_sa), - ike_proposal); - } + buf+4); + } } } @@ -123,68 +135,67 @@ static void log_ike_sa(FILE *out, ike_sa_t *ike_sa, bool all) static void log_child_sa(FILE *out, child_sa_t *child_sa, bool all) { u_int32_t rekey, now = time(NULL); - u_int32_t use_in, use_out, use_fwd; - encryption_algorithm_t encr_alg; - integrity_algorithm_t int_alg; - size_t encr_len, int_len; - ipsec_mode_t mode; - - child_sa->get_stats(child_sa, &mode, &encr_alg, &encr_len, - &int_alg, &int_len, &rekey, &use_in, &use_out, - &use_fwd); + u_int32_t use_in, use_out; + proposal_t *proposal; + child_cfg_t *config = child_sa->get_config(child_sa); - fprintf(out, "%12s{%d}: %N, %N", + fprintf(out, "%12s{%d}: %N, %N%s", child_sa->get_name(child_sa), child_sa->get_reqid(child_sa), child_sa_state_names, child_sa->get_state(child_sa), - ipsec_mode_names, mode); + ipsec_mode_names, child_sa->get_mode(child_sa), + config->use_proxy_mode(config) ? "_PROXY" : ""); if (child_sa->get_state(child_sa) == CHILD_INSTALLED) { - u_int16_t my_cpi = child_sa->get_cpi(child_sa, TRUE); - u_int16_t other_cpi = child_sa->get_cpi(child_sa, FALSE); - - fprintf(out, ", %N SPIs: %.8x_i %.8x_o", + fprintf(out, ", %N%s SPIs: %.8x_i %.8x_o", protocol_id_names, child_sa->get_protocol(child_sa), + child_sa->has_encap(child_sa) ? " in UDP" : "", ntohl(child_sa->get_spi(child_sa, TRUE)), ntohl(child_sa->get_spi(child_sa, FALSE))); - - /* Is IPCOMP activated ? */ - if (my_cpi && other_cpi) + + if (child_sa->get_ipcomp(child_sa) != IPCOMP_NONE) { fprintf(out, ", IPCOMP CPIs: %.4x_i %.4x_o", - ntohs(my_cpi), ntohs(other_cpi)); + ntohs(child_sa->get_cpi(child_sa, TRUE)), + ntohs(child_sa->get_cpi(child_sa, FALSE))); } - + if (all) { fprintf(out, "\n%12s{%d}: ", child_sa->get_name(child_sa), child_sa->get_reqid(child_sa)); - - if (child_sa->get_protocol(child_sa) == PROTO_ESP) + proposal = child_sa->get_proposal(child_sa); + if (proposal) { - fprintf(out, "%N", encryption_algorithm_names, encr_alg); + u_int16_t encr_alg = ENCR_UNDEFINED, int_alg = AUTH_UNDEFINED; + u_int16_t encr_size = 0, int_size = 0; - if (encr_len) + proposal->get_algorithm(proposal, ENCRYPTION_ALGORITHM, + &encr_alg, &encr_size); + proposal->get_algorithm(proposal, INTEGRITY_ALGORITHM, + &int_alg, &int_size); + + if (encr_alg != ENCR_UNDEFINED) { - fprintf(out, "-%d", encr_len); + fprintf(out, "%N", encryption_algorithm_names, encr_alg); + if (encr_size) + { + fprintf(out, "-%d", encr_size); + } } if (int_alg != AUTH_UNDEFINED) { - fprintf(out, "/"); - } - } - - if (int_alg != AUTH_UNDEFINED) - { - fprintf(out, "%N", integrity_algorithm_names, int_alg); - if (int_len) - { - fprintf(out, "-%d", int_len); + fprintf(out, "/%N", integrity_algorithm_names, int_alg); + if (int_size) + { + fprintf(out, "-%d", int_size); + } } } fprintf(out, ", rekeying "); + rekey = child_sa->get_lifetime(child_sa, FALSE); if (rekey) { fprintf(out, "in %#V", &now, &rekey); @@ -195,7 +206,7 @@ static void log_child_sa(FILE *out, child_sa_t *child_sa, bool all) } fprintf(out, ", last use: "); - use_in = max(use_in, use_fwd); + use_in = child_sa->get_usetime(child_sa, TRUE); if (use_in) { fprintf(out, "%ds_i ", now - use_in); @@ -204,6 +215,7 @@ static void log_child_sa(FILE *out, child_sa_t *child_sa, bool all) { fprintf(out, "no_i "); } + use_out = child_sa->get_usetime(child_sa, FALSE); if (use_out) { fprintf(out, "%ds_o ", now - use_out); diff --git a/src/charon/plugins/stroke/stroke_socket.c b/src/charon/plugins/stroke/stroke_socket.c index 175322aa8..8c4ab7804 100644 --- a/src/charon/plugins/stroke/stroke_socket.c +++ b/src/charon/plugins/stroke/stroke_socket.c @@ -25,6 +25,7 @@ #include <sys/fcntl.h> #include <unistd.h> #include <errno.h> +#include <pthread.h> #include <processing/jobs/callback_job.h> #include <daemon.h> @@ -336,9 +337,9 @@ static void stroke_purge(private_stroke_socket_t *this, CERT_X509_OCSP_RESPONSE); } -signal_t get_signal_from_logtype(char *type) +debug_t get_group_from_name(char *type) { - if (strcasecmp(type, "any") == 0) return SIG_ANY; + if (strcasecmp(type, "any") == 0) return DBG_ANY; else if (strcasecmp(type, "mgr") == 0) return DBG_MGR; else if (strcasecmp(type, "ike") == 0) return DBG_IKE; else if (strcasecmp(type, "chd") == 0) return DBG_CHD; @@ -354,29 +355,44 @@ signal_t get_signal_from_logtype(char *type) /** * set the verbosity debug output */ -static void stroke_loglevel(private_stroke_socket_t *this, stroke_msg_t *msg, FILE *out) +static void stroke_loglevel(private_stroke_socket_t *this, + stroke_msg_t *msg, FILE *out) { - signal_t signal; + enumerator_t *enumerator; + sys_logger_t *sys_logger; + file_logger_t *file_logger; + debug_t group; pop_string(msg, &(msg->loglevel.type)); DBG1(DBG_CFG, "received stroke: loglevel %d for %s", msg->loglevel.level, msg->loglevel.type); - signal = get_signal_from_logtype(msg->loglevel.type); - if (signal < 0) + group = get_group_from_name(msg->loglevel.type); + if (group < 0) { fprintf(out, "invalid type (%s)!\n", msg->loglevel.type); return; } - - charon->outlog->set_level(charon->outlog, signal, msg->loglevel.level); - charon->syslog->set_level(charon->syslog, signal, msg->loglevel.level); + /* we set the loglevel on ALL sys- and file-loggers */ + enumerator = charon->sys_loggers->create_enumerator(charon->sys_loggers); + while (enumerator->enumerate(enumerator, &sys_logger)) + { + sys_logger->set_level(sys_logger, group, msg->loglevel.level); + } + enumerator->destroy(enumerator); + enumerator = charon->file_loggers->create_enumerator(charon->file_loggers); + while (enumerator->enumerate(enumerator, &file_logger)) + { + file_logger->set_level(file_logger, group, msg->loglevel.level); + } + enumerator->destroy(enumerator); } /** * set various config options */ -static void stroke_config(private_stroke_socket_t *this, stroke_msg_t *msg, FILE *out) +static void stroke_config(private_stroke_socket_t *this, + stroke_msg_t *msg, FILE *out) { this->cred->cachecrl(this->cred, msg->config.cachecrl); } diff --git a/src/charon/plugins/unit_tester/tests/test_pool.c b/src/charon/plugins/unit_tester/tests/test_pool.c index 5d5295bea..40334335d 100644 --- a/src/charon/plugins/unit_tester/tests/test_pool.c +++ b/src/charon/plugins/unit_tester/tests/test_pool.c @@ -15,6 +15,7 @@ #include <sys/time.h> #include <time.h> +#include <pthread.h> #include <library.h> #include <daemon.h> diff --git a/src/charon/plugins/updown/Makefile.am b/src/charon/plugins/updown/Makefile.am new file mode 100644 index 000000000..de60d9fbf --- /dev/null +++ b/src/charon/plugins/updown/Makefile.am @@ -0,0 +1,12 @@ + +INCLUDES = -I$(top_srcdir)/src/libstrongswan -I$(top_srcdir)/src/charon + +AM_CFLAGS = -rdynamic + +plugin_LTLIBRARIES = libstrongswan-updown.la +libstrongswan_updown_la_SOURCES = \ + updown_plugin.h updown_plugin.c \ + updown_listener.h updown_listener.c +libstrongswan_updown_la_LDFLAGS = -module + + diff --git a/src/charon/plugins/updown/Makefile.in b/src/charon/plugins/updown/Makefile.in new file mode 100644 index 000000000..603000a09 --- /dev/null +++ b/src/charon/plugins/updown/Makefile.in @@ -0,0 +1,501 @@ +# Makefile.in generated by automake 1.10.1 from Makefile.am. +# @configure_input@ + +# 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mostlyclean-libtool pdf pdf-am ps ps-am \ + tags uninstall uninstall-am uninstall-pluginLTLIBRARIES + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/src/charon/plugins/updown/updown_listener.c b/src/charon/plugins/updown/updown_listener.c new file mode 100644 index 000000000..7dfb874cb --- /dev/null +++ b/src/charon/plugins/updown/updown_listener.c @@ -0,0 +1,320 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * $Id$ + */ + +#define _GNU_SOURCE +#include <stdio.h> + +#include "updown_listener.h" + +#include <daemon.h> +#include <config/child_cfg.h> + +typedef struct private_updown_listener_t private_updown_listener_t; + +/** + * Private data of an updown_listener_t object. + */ +struct private_updown_listener_t { + + /** + * Public updown_listener_t interface. + */ + updown_listener_t public; + + /** + * List of cached interface names + */ + linked_list_t *iface_cache; +}; + +typedef struct cache_entry_t cache_entry_t; + +/** + * Cache line in the interface name cache. + */ +struct cache_entry_t { + /** requid of the CHILD_SA */ + u_int32_t reqid; + /** cached interface name */ + char *iface; +}; + +/** + * Insert an interface name to the cache + */ +static void cache_iface(private_updown_listener_t *this, u_int32_t reqid, + char *iface) +{ + cache_entry_t *entry = malloc_thing(cache_entry_t); + + entry->reqid = reqid; + entry->iface = strdup(iface); + + this->iface_cache->insert_first(this->iface_cache, entry); +} + +/** + * Remove a cached interface name and return it. + */ +static char* uncache_iface(private_updown_listener_t *this, u_int32_t reqid) +{ + enumerator_t *enumerator; + cache_entry_t *entry; + char *iface = NULL; + + enumerator = this->iface_cache->create_enumerator(this->iface_cache); + while (enumerator->enumerate(enumerator, &entry)) + { + if (entry->reqid == reqid) + { + this->iface_cache->remove_at(this->iface_cache, enumerator); + iface = entry->iface; + free(entry); + break; + } + } + enumerator->destroy(enumerator); + return iface; +} + +/** + * Run the up/down script + */ +static void updown(private_updown_listener_t *this, ike_sa_t *ike_sa, + child_sa_t *child_sa, bool up) +{ + traffic_selector_t *my_ts, *other_ts; + enumerator_t *enumerator; + child_cfg_t *config; + host_t *vip, *me, *other; + char *script; + + config = child_sa->get_config(child_sa); + vip = ike_sa->get_virtual_ip(ike_sa, TRUE); + script = config->get_updown(config); + me = ike_sa->get_my_host(ike_sa); + other = ike_sa->get_other_host(ike_sa); + + if (script == NULL) + { + return; + } + + enumerator = child_sa->create_policy_enumerator(child_sa); + while (enumerator->enumerate(enumerator, &my_ts, &other_ts)) + { + char command[1024]; + char *my_client, *other_client, *my_client_mask, *other_client_mask; + char *pos, *virtual_ip, *iface; + FILE *shell; + + /* get subnet/bits from string */ + if (asprintf(&my_client, "%R", my_ts) < 0) + { + my_client = NULL; + } + pos = strchr(my_client, '/'); + *pos = '\0'; + my_client_mask = pos + 1; + pos = strchr(my_client_mask, '['); + if (pos) + { + *pos = '\0'; + } + if (asprintf(&other_client, "%R", other_ts) < 0) + { + other_client = NULL; + } + pos = strchr(other_client, '/'); + *pos = '\0'; + other_client_mask = pos + 1; + pos = strchr(other_client_mask, '['); + if (pos) + { + *pos = '\0'; + } + + if (vip) + { + if (asprintf(&virtual_ip, "PLUTO_MY_SOURCEIP='%H' ", vip) < 0) + { + virtual_ip = NULL; + } + } + else + { + if (asprintf(&virtual_ip, "") < 0) + { + virtual_ip = NULL; + } + } + + if (up) + { + iface = charon->kernel_interface->get_interface( + charon->kernel_interface, me); + if (iface) + { + cache_iface(this, child_sa->get_reqid(child_sa), iface); + } + } + else + { + iface = uncache_iface(this, child_sa->get_reqid(child_sa)); + } + + /* build the command with all env variables. + * TODO: PLUTO_PEER_CA and PLUTO_NEXT_HOP are currently missing + */ + snprintf(command, sizeof(command), + "2>&1 " + "PLUTO_VERSION='1.1' " + "PLUTO_VERB='%s%s%s' " + "PLUTO_CONNECTION='%s' " + "PLUTO_INTERFACE='%s' " + "PLUTO_REQID='%u' " + "PLUTO_ME='%H' " + "PLUTO_MY_ID='%D' " + "PLUTO_MY_CLIENT='%s/%s' " + "PLUTO_MY_CLIENT_NET='%s' " + "PLUTO_MY_CLIENT_MASK='%s' " + "PLUTO_MY_PORT='%u' " + "PLUTO_MY_PROTOCOL='%u' " + "PLUTO_PEER='%H' " + "PLUTO_PEER_ID='%D' " + "PLUTO_PEER_CLIENT='%s/%s' " + "PLUTO_PEER_CLIENT_NET='%s' " + "PLUTO_PEER_CLIENT_MASK='%s' " + "PLUTO_PEER_PORT='%u' " + "PLUTO_PEER_PROTOCOL='%u' " + "%s" + "%s" + "%s", + up ? "up" : "down", + my_ts->is_host(my_ts, me) ? "-host" : "-client", + me->get_family(me) == AF_INET ? "" : "-v6", + config->get_name(config), + iface ? iface : "unknown", + child_sa->get_reqid(child_sa), + me, ike_sa->get_my_id(ike_sa), + my_client, my_client_mask, + my_client, my_client_mask, + my_ts->get_from_port(my_ts), + my_ts->get_protocol(my_ts), + other, ike_sa->get_other_id(ike_sa), + other_client, other_client_mask, + other_client, other_client_mask, + other_ts->get_from_port(other_ts), + other_ts->get_protocol(other_ts), + virtual_ip, + config->get_hostaccess(config) ? "PLUTO_HOST_ACCESS='1' " : "", + script); + free(my_client); + free(other_client); + free(virtual_ip); + free(iface); + + DBG3(DBG_CHD, "running updown script: %s", command); + shell = popen(command, "r"); + + if (shell == NULL) + { + DBG1(DBG_CHD, "could not execute updown script '%s'", script); + return; + } + + while (TRUE) + { + char resp[128]; + + if (fgets(resp, sizeof(resp), shell) == NULL) + { + if (ferror(shell)) + { + DBG1(DBG_CHD, "error reading output from updown script"); + return; + } + else + { + break; + } + } + else + { + char *e = resp + strlen(resp); + if (e > resp && e[-1] == '\n') + { /* trim trailing '\n' */ + e[-1] = '\0'; + } + DBG1(DBG_CHD, "updown: %s", resp); + } + } + pclose(shell); + } + enumerator->destroy(enumerator); +} + +/** + * Listener implementation + */ +static bool child_state_change(private_updown_listener_t *this, ike_sa_t *ike_sa, + child_sa_t *child_sa, child_sa_state_t state) +{ + child_sa_state_t old; + + if (ike_sa) + { + old = child_sa->get_state(child_sa); + + if ((old == CHILD_INSTALLED && state != CHILD_REKEYING ) || + (old == CHILD_DELETING && state == CHILD_DESTROYING)) + { + updown(this, ike_sa, child_sa, FALSE); + } + else if (state == CHILD_INSTALLED) + { + updown(this, ike_sa, child_sa, TRUE); + } + } + return TRUE; +} + +/** + * Implementation of updown_listener_t.destroy. + */ +static void destroy(private_updown_listener_t *this) +{ + this->iface_cache->destroy(this->iface_cache); + free(this); +} + +/** + * See header + */ +updown_listener_t *updown_listener_create() +{ + private_updown_listener_t *this = malloc_thing(private_updown_listener_t); + + memset(&this->public.listener, 0, sizeof(listener_t)); + this->public.listener.child_state_change = (void*)child_state_change; + this->public.destroy = (void(*)(updown_listener_t*))destroy; + + this->iface_cache = linked_list_create(); + + return &this->public; +} + diff --git a/src/charon/plugins/updown/updown_listener.h b/src/charon/plugins/updown/updown_listener.h new file mode 100644 index 000000000..569d5817e --- /dev/null +++ b/src/charon/plugins/updown/updown_listener.h @@ -0,0 +1,51 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * $Id$ + */ + +/** + * @defgroup updown_listener updown_listener + * @{ @ingroup updown + */ + +#ifndef UPDOWN_LISTENER_H_ +#define UPDOWN_LISTENER_H_ + +#include <bus/bus.h> + +typedef struct updown_listener_t updown_listener_t; + +/** + * Listener which invokes the scripts on CHILD_SA up/down. + */ +struct updown_listener_t { + + /** + * Implements listener_t. + */ + listener_t listener; + + /** + * Destroy a updown_listener_t. + */ + void (*destroy)(updown_listener_t *this); +}; + +/** + * Create a updown_listener instance. + */ +updown_listener_t *updown_listener_create(); + +#endif /* UPDOWN_LISTENER_ @}*/ diff --git a/src/charon/plugins/updown/updown_plugin.c b/src/charon/plugins/updown/updown_plugin.c new file mode 100644 index 000000000..2e5884222 --- /dev/null +++ b/src/charon/plugins/updown/updown_plugin.c @@ -0,0 +1,65 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * $Id$ + */ + +#include "updown_plugin.h" +#include "updown_listener.h" + +#include <daemon.h> + +typedef struct private_updown_plugin_t private_updown_plugin_t; + +/** + * private data of updown plugin + */ +struct private_updown_plugin_t { + + /** + * implements plugin interface + */ + updown_plugin_t public; + + /** + * Listener interface, listens to CHILD_SA state changes + */ + updown_listener_t *listener; +}; + +/** + * Implementation of plugin_t.destroy + */ +static void destroy(private_updown_plugin_t *this) +{ + charon->bus->remove_listener(charon->bus, &this->listener->listener); + this->listener->destroy(this->listener); + free(this); +} + +/* + * see header file + */ +plugin_t *plugin_create() +{ + private_updown_plugin_t *this = malloc_thing(private_updown_plugin_t); + + this->public.plugin.destroy = (void(*)(plugin_t*))destroy; + + this->listener = updown_listener_create(); + charon->bus->add_listener(charon->bus, &this->listener->listener); + + return &this->public.plugin; +} + diff --git a/src/charon/plugins/updown/updown_plugin.h b/src/charon/plugins/updown/updown_plugin.h new file mode 100644 index 000000000..4d0a930c2 --- /dev/null +++ b/src/charon/plugins/updown/updown_plugin.h @@ -0,0 +1,49 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * $Id$ + */ + +/** + * @defgroup updown updown + * @ingroup cplugins + * + * @defgroup updown_plugin updown_plugin + * @{ @ingroup updown + */ + +#ifndef UPDOWN_PLUGIN_H_ +#define UPDOWN_PLUGIN_H_ + +#include <plugins/plugin.h> + +typedef struct updown_plugin_t updown_plugin_t; + +/** + * Updown firewall script invocation plugin, compatible to pluto ones. + */ +struct updown_plugin_t { + + /** + * implements plugin interface + */ + plugin_t plugin; +}; + +/** + * Create a updown_plugin instance. + */ +plugin_t *plugin_create(); + +#endif /* UPDOWN_PLUGIN_H_ @}*/ diff --git a/src/charon/processing/jobs/acquire_job.c b/src/charon/processing/jobs/acquire_job.c index b39e8e680..50cebd88a 100644 --- a/src/charon/processing/jobs/acquire_job.c +++ b/src/charon/processing/jobs/acquire_job.c @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: acquire_job.c 3589 2008-03-13 14:14:44Z martin $ + * $Id: acquire_job.c 4535 2008-10-31 01:43:23Z andreas $ */ #include "acquire_job.h" @@ -35,6 +35,16 @@ struct private_acquire_job_t { * reqid of the child to rekey */ u_int32_t reqid; + + /** + * acquired source traffic selector + */ + traffic_selector_t *src_ts; + + /** + * acquired destination traffic selector + */ + traffic_selector_t *dst_ts; }; /** @@ -42,6 +52,8 @@ struct private_acquire_job_t { */ static void destroy(private_acquire_job_t *this) { + DESTROY_IF(this->src_ts); + DESTROY_IF(this->dst_ts); free(this); } @@ -50,13 +62,16 @@ static void destroy(private_acquire_job_t *this) */ static void execute(private_acquire_job_t *this) { - ike_sa_t *ike_sa; + ike_sa_t *ike_sa = NULL; - ike_sa = charon->ike_sa_manager->checkout_by_id(charon->ike_sa_manager, - this->reqid, TRUE); + if (this->reqid) + { + ike_sa = charon->ike_sa_manager->checkout_by_id(charon->ike_sa_manager, + this->reqid, TRUE); + } if (ike_sa == NULL) { - DBG2(DBG_JOB, "CHILD_SA with reqid %d not found for acquiring", + DBG1(DBG_JOB, "acquire job found no CHILD_SA with reqid {%d}", this->reqid); } else @@ -71,7 +86,9 @@ static void execute(private_acquire_job_t *this) /* * Described in header */ -acquire_job_t *acquire_job_create(u_int32_t reqid) +acquire_job_t *acquire_job_create(u_int32_t reqid, + traffic_selector_t *src_ts, + traffic_selector_t *dst_ts) { private_acquire_job_t *this = malloc_thing(private_acquire_job_t); @@ -81,6 +98,8 @@ acquire_job_t *acquire_job_create(u_int32_t reqid) /* private variables */ this->reqid = reqid; + this->src_ts = src_ts; + this->dst_ts = dst_ts; return &this->public; } diff --git a/src/charon/processing/jobs/acquire_job.h b/src/charon/processing/jobs/acquire_job.h index 17c993d8e..7459ccc21 100644 --- a/src/charon/processing/jobs/acquire_job.h +++ b/src/charon/processing/jobs/acquire_job.h @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: acquire_job.h 3589 2008-03-13 14:14:44Z martin $ + * $Id: acquire_job.h 4535 2008-10-31 01:43:23Z andreas $ */ /** @@ -26,6 +26,7 @@ typedef struct acquire_job_t acquire_job_t; #include <library.h> +#include <config/traffic_selector.h> #include <processing/jobs/job.h> /** @@ -46,8 +47,12 @@ struct acquire_job_t { * We use the reqid to find the routed CHILD_SA. * * @param reqid reqid of the CHILD_SA to acquire + * @param src_ts source traffic selector + * @param dst_ts destination traffic selector * @return acquire_job_t object */ -acquire_job_t *acquire_job_create(u_int32_t reqid); +acquire_job_t *acquire_job_create(u_int32_t reqid, + traffic_selector_t *src_ts, + traffic_selector_t *dst_ts); #endif /* REKEY_CHILD_SA_JOB_H_ @} */ diff --git a/src/charon/processing/jobs/callback_job.c b/src/charon/processing/jobs/callback_job.c index e8892ee82..f0cebd473 100644 --- a/src/charon/processing/jobs/callback_job.c +++ b/src/charon/processing/jobs/callback_job.c @@ -12,12 +12,15 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: callback_job.c 3742 2008-04-03 09:19:12Z tobias $ + * $Id: callback_job.c 4579 2008-11-05 11:29:56Z martin $ */ #include "callback_job.h" +#include <pthread.h> + #include <daemon.h> +#include <utils/mutex.h> typedef struct private_callback_job_t private_callback_job_t; @@ -49,12 +52,12 @@ struct private_callback_job_t { * thread ID of the job, if running */ pthread_t thread; - + /** * mutex to access jobs interna */ - pthread_mutex_t mutex; - + mutex_t *mutex; + /** * list of asociated child jobs */ @@ -76,6 +79,7 @@ static void destroy(private_callback_job_t *this) this->cleanup(this->data); } this->children->destroy(this->children); + this->mutex->destroy(this->mutex); free(this); } @@ -89,7 +93,7 @@ static void unregister(private_callback_job_t *this) iterator_t *iterator; private_callback_job_t *child; - pthread_mutex_lock(&this->parent->mutex); + this->parent->mutex->lock(this->parent->mutex); iterator = this->parent->children->create_iterator(this->parent->children, TRUE); while (iterator->iterate(iterator, (void**)&child)) { @@ -100,7 +104,7 @@ static void unregister(private_callback_job_t *this) } } iterator->destroy(iterator); - pthread_mutex_unlock(&this->parent->mutex); + this->parent->mutex->unlock(this->parent->mutex); } } @@ -111,12 +115,12 @@ static void cancel(private_callback_job_t *this) { pthread_t thread; - pthread_mutex_lock(&this->mutex); + this->mutex->lock(this->mutex); thread = this->thread; /* terminate its children */ this->children->invoke_offset(this->children, offsetof(callback_job_t, cancel)); - pthread_mutex_unlock(&this->mutex); + this->mutex->unlock(this->mutex); /* terminate thread */ if (thread) @@ -133,9 +137,9 @@ static void execute(private_callback_job_t *this) { bool cleanup = FALSE; - pthread_mutex_lock(&this->mutex); + this->mutex->lock(this->mutex); this->thread = pthread_self(); - pthread_mutex_unlock(&this->mutex); + this->mutex->unlock(this->mutex); pthread_cleanup_push((void*)destroy, this); while (TRUE) @@ -180,7 +184,7 @@ callback_job_t *callback_job_create(callback_job_cb_t cb, void *data, this->public.cancel = (void(*)(callback_job_t*))cancel; /* private variables */ - pthread_mutex_init(&this->mutex, NULL); + this->mutex = mutex_create(MUTEX_DEFAULT); this->callback = cb; this->data = data; this->cleanup = cleanup; @@ -191,9 +195,9 @@ callback_job_t *callback_job_create(callback_job_cb_t cb, void *data, /* register us at parent */ if (parent) { - pthread_mutex_lock(&this->parent->mutex); + this->parent->mutex->lock(this->parent->mutex); this->parent->children->insert_last(this->parent->children, this); - pthread_mutex_unlock(&this->parent->mutex); + this->parent->mutex->unlock(this->parent->mutex); } return &this->public; diff --git a/src/charon/processing/jobs/initiate_mediation_job.c b/src/charon/processing/jobs/initiate_mediation_job.c index ee9644045..4d4fd8dc6 100644 --- a/src/charon/processing/jobs/initiate_mediation_job.c +++ b/src/charon/processing/jobs/initiate_mediation_job.c @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: initiate_mediation_job.c 4192 2008-07-18 15:51:40Z martin $ + * $Id: initiate_mediation_job.c 4625 2008-11-11 13:12:05Z tobias $ */ #include "initiate_mediation_job.h" @@ -57,15 +57,13 @@ static void destroy(private_initiate_mediation_job_t *this) * Callback to handle initiation of mediation connection */ static bool initiate_callback(private_initiate_mediation_job_t *this, - signal_t signal, level_t level, ike_sa_t *ike_sa, - void *data, char *format, va_list args) + debug_t group, level_t level, ike_sa_t *ike_sa, + char *format, va_list args) { - if (signal == CHD_UP_SUCCESS) + if (ike_sa && !this->mediation_sa_id) { - /* mediation connection is up */ this->mediation_sa_id = ike_sa->get_id(ike_sa); this->mediation_sa_id = this->mediation_sa_id->clone(this->mediation_sa_id); - return FALSE; } return TRUE; } @@ -74,16 +72,15 @@ static bool initiate_callback(private_initiate_mediation_job_t *this, * Implementation of job_t.execute. */ static void initiate(private_initiate_mediation_job_t *this) -{ /* FIXME: check the logging */ +{ ike_sa_t *mediated_sa, *mediation_sa; peer_cfg_t *mediated_cfg, *mediation_cfg; mediated_sa = charon->ike_sa_manager->checkout(charon->ike_sa_manager, - this->mediated_sa_id); + this->mediated_sa_id); if (mediated_sa) { mediated_cfg = mediated_sa->get_peer_cfg(mediated_sa); - /* get_peer_cfg returns an internal object */ mediated_cfg->get_ref(mediated_cfg); charon->ike_sa_manager->checkin(charon->ike_sa_manager, mediated_sa); @@ -98,29 +95,35 @@ static void initiate(private_initiate_mediation_job_t *this) { mediated_cfg->destroy(mediated_cfg); mediation_cfg->destroy(mediation_cfg); - /* this pointer should still be valid */ - charon->bus->set_sa(charon->bus, mediated_sa); - DBG1(DBG_IKE, "mediation with the same peer is already in progress, queued"); + + mediated_sa = charon->ike_sa_manager->checkout( + charon->ike_sa_manager, this->mediated_sa_id); + if (mediated_sa) + { + DBG1(DBG_IKE, "mediation with the same peer is already in " + "progress, queued"); + charon->ike_sa_manager->checkin( + charon->ike_sa_manager, mediated_sa); + } destroy(this); return; } /* we need an additional reference because initiate consumes one */ mediation_cfg->get_ref(mediation_cfg); - /* this function call blocks until the connection is up or failed - * we do not check the status, but NEED_MORE would be returned on success - * because the registered callback returns FALSE then - * this->mediation_sa_id is set in the callback */ - charon->controller->initiate(charon->controller, - mediation_cfg, NULL, (controller_cb_t)initiate_callback, this); - if (!this->mediation_sa_id) + if (charon->controller->initiate(charon->controller, mediation_cfg, + NULL, (controller_cb_t)initiate_callback, this) != SUCCESS) { - DBG1(DBG_JOB, "initiating mediation connection '%s' failed", - mediation_cfg->get_name(mediation_cfg)); mediation_cfg->destroy(mediation_cfg); mediated_cfg->destroy(mediated_cfg); - charon->bus->set_sa(charon->bus, mediated_sa); - SIG_IKE(UP_FAILED, "mediation failed"); + mediated_sa = charon->ike_sa_manager->checkout( + charon->ike_sa_manager, this->mediated_sa_id); + if (mediated_sa) + { + DBG1(DBG_IKE, "initiating mediation connection failed"); + charon->ike_sa_manager->checkin_and_destroy( + charon->ike_sa_manager, mediated_sa); + } destroy(this); return; } @@ -131,15 +134,20 @@ static void initiate(private_initiate_mediation_job_t *this) if (mediation_sa) { - if (mediation_sa->initiate_mediation(mediation_sa, mediated_cfg) != SUCCESS) + if (mediation_sa->initiate_mediation(mediation_sa, + mediated_cfg) != SUCCESS) { - DBG1(DBG_JOB, "initiating mediated connection '%s' failed", - mediated_cfg->get_name(mediated_cfg)); mediated_cfg->destroy(mediated_cfg); - charon->ike_sa_manager->checkin_and_destroy(charon->ike_sa_manager, mediation_sa); - - charon->bus->set_sa(charon->bus, mediated_sa); - SIG_IKE(UP_FAILED, "mediation failed"); + charon->ike_sa_manager->checkin_and_destroy( + charon->ike_sa_manager, mediation_sa); + mediated_sa = charon->ike_sa_manager->checkout( + charon->ike_sa_manager, this->mediated_sa_id); + if (mediated_sa) + { + DBG1(DBG_IKE, "establishing mediation connection failed"); + charon->ike_sa_manager->checkin_and_destroy( + charon->ike_sa_manager, mediated_sa); + } destroy(this); return; } @@ -156,7 +164,7 @@ static void initiate(private_initiate_mediation_job_t *this) * Implementation of job_t.execute. */ static void reinitiate(private_initiate_mediation_job_t *this) -{ /* FIXME: check the logging */ +{ ike_sa_t *mediated_sa, *mediation_sa; peer_cfg_t *mediated_cfg; @@ -178,13 +186,17 @@ static void reinitiate(private_initiate_mediation_job_t *this) mediated_cfg->get_name(mediated_cfg)); mediated_cfg->destroy(mediated_cfg); charon->ike_sa_manager->checkin_and_destroy(charon->ike_sa_manager, mediation_sa); - - charon->bus->set_sa(charon->bus, mediated_sa); - SIG_IKE(UP_FAILED, "mediation failed"); + mediated_sa = charon->ike_sa_manager->checkout( + charon->ike_sa_manager, this->mediated_sa_id); + if (mediated_sa) + { + DBG1(DBG_IKE, "establishing mediation connection failed"); + charon->ike_sa_manager->checkin_and_destroy( + charon->ike_sa_manager, mediated_sa); + } destroy(this); return; } - charon->ike_sa_manager->checkin(charon->ike_sa_manager, mediation_sa); } diff --git a/src/charon/processing/jobs/migrate_job.c b/src/charon/processing/jobs/migrate_job.c new file mode 100644 index 000000000..ec0a76fb9 --- /dev/null +++ b/src/charon/processing/jobs/migrate_job.c @@ -0,0 +1,152 @@ +/* + * Copyright (C) 2008 Andreas Steffen + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * $Id: migrate_job.c 4662 2008-11-16 21:19:58Z andreas $ + */ + +#include "migrate_job.h" + +#include <daemon.h> + +#include <config/child_cfg.h> + + +typedef struct private_migrate_job_t private_migrate_job_t; + +/** + * Private data of a migrate_job_t object. + */ +struct private_migrate_job_t { + /** + * Public migrate_job_t interface. + */ + migrate_job_t public; + + /** + * reqid of the CHILD_SA if it already exists + */ + u_int32_t reqid; + + /** + * source traffic selector + */ + traffic_selector_t *src_ts; + + /** + * destination traffic selector + */ + traffic_selector_t *dst_ts; + + /** + * local host address to be used for IKE + */ + host_t *local; + + /** + * remote host address to be used for IKE + */ + host_t *remote; +}; + +/** + * Implementation of job_t.destroy. + */ +static void destroy(private_migrate_job_t *this) +{ + DESTROY_IF(this->src_ts); + DESTROY_IF(this->dst_ts); + DESTROY_IF(this->local); + DESTROY_IF(this->remote); + free(this); +} + +/** + * Implementation of job_t.execute. + */ +static void execute(private_migrate_job_t *this) +{ + ike_sa_t *ike_sa = NULL; + + if (this->reqid) + { + ike_sa = charon->ike_sa_manager->checkout_by_id(charon->ike_sa_manager, + this->reqid, TRUE); + } + if (ike_sa) + { + iterator_t *children; + child_sa_t *child_sa; + host_t *host; + + children = ike_sa->create_child_sa_iterator(ike_sa); + while (children->iterate(children, (void**)&child_sa)) + { + if (child_sa->get_reqid(child_sa) == this->reqid) + { + break; + } + } + children->destroy(children); + DBG2(DBG_JOB, "found CHILD_SA with reqid {%d}", this->reqid); + + ike_sa->set_kmaddress(ike_sa, this->local, this->remote); + + host = this->local->clone(this->local); + host->set_port(host, IKEV2_UDP_PORT); + ike_sa->set_my_host(ike_sa, host); + + host = this->remote->clone(this->remote); + host->set_port(host, IKEV2_UDP_PORT); + ike_sa->set_other_host(ike_sa, host); + + if (child_sa->update_hosts(child_sa, this->local, this->remote, + ike_sa->get_virtual_ip(ike_sa, TRUE), + ike_sa->has_condition(ike_sa, COND_NAT_ANY)) == NOT_SUPPORTED) + { + ike_sa->rekey_child_sa(ike_sa, child_sa->get_protocol(child_sa), + child_sa->get_spi(child_sa, TRUE)); + } + charon->ike_sa_manager->checkin(charon->ike_sa_manager, ike_sa); + } + else + { + DBG1(DBG_JOB, "no CHILD_SA found with reqid {%d}", this->reqid); + } + destroy(this); +} + +/* + * Described in header + */ +migrate_job_t *migrate_job_create(u_int32_t reqid, + traffic_selector_t *src_ts, + traffic_selector_t *dst_ts, + policy_dir_t dir, + host_t *local, host_t *remote) +{ + private_migrate_job_t *this = malloc_thing(private_migrate_job_t); + + /* interface functions */ + this->public.job_interface.execute = (void (*) (job_t *)) execute; + this->public.job_interface.destroy = (void (*)(job_t*)) destroy; + + /* private variables */ + this->reqid = reqid; + this->src_ts = (dir == POLICY_OUT) ? src_ts : dst_ts; + this->dst_ts = (dir == POLICY_OUT) ? dst_ts : src_ts; + this->local = local; + this->remote = remote; + + return &this->public; +} diff --git a/src/charon/processing/jobs/migrate_job.h b/src/charon/processing/jobs/migrate_job.h new file mode 100644 index 000000000..a99ffbb0c --- /dev/null +++ b/src/charon/processing/jobs/migrate_job.h @@ -0,0 +1,65 @@ +/* + * Copyright (C) 2008 Andreas Steffen + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * $Id: migrate_job.h 4662 2008-11-16 21:19:58Z andreas $ + */ + +/** + * @defgroup migrate_job migrate_job + * @{ @ingroup jobs + */ + +#ifndef MIGRATE_JOB_H_ +#define MIGRATE_JOB_H_ + +typedef struct migrate_job_t migrate_job_t; + +#include <library.h> +#include <utils/host.h> +#include <config/traffic_selector.h> +#include <kernel/kernel_ipsec.h> +#include <processing/jobs/job.h> + +/** + * Class representing a MIGRATE Job. + * + * This job sets a routed CHILD_SA for an existing IPsec policy. + */ +struct migrate_job_t { + /** + * The job_t interface. + */ + job_t job_interface; +}; + +/** + * Creates a job of type MIGRATE. + * + * We use the reqid or the traffic selectors to find a matching CHILD_SA. + * + * @param reqid reqid of the CHILD_SA to acquire + * @param src_ts source traffic selector to be used in the policy + * @param dst_ts destination traffic selector to be used in the policy + * @param dir direction of the policy (in|out) + * @param local local host address to be used in the IKE_SA + * @param remote remote host address to be used in the IKE_SA + * @return migrate_job_t object + */ +migrate_job_t *migrate_job_create(u_int32_t reqid, + traffic_selector_t *src_ts, + traffic_selector_t *dst_ts, + policy_dir_t dir, + host_t *local, host_t *remote); + +#endif /* MIGRATE_JOB_H_ @} */ diff --git a/src/charon/processing/processor.c b/src/charon/processing/processor.c index 010f6624f..9cff090bf 100644 --- a/src/charon/processing/processor.c +++ b/src/charon/processing/processor.c @@ -13,7 +13,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: processor.c 3742 2008-04-03 09:19:12Z tobias $ + * $Id: processor.c 4579 2008-11-05 11:29:56Z martin $ */ #include <stdlib.h> @@ -24,6 +24,7 @@ #include "processor.h" #include <daemon.h> +#include <utils/mutex.h> #include <utils/linked_list.h> @@ -61,17 +62,17 @@ struct private_processor_t { /** * access to linked_list is locked through this mutex */ - pthread_mutex_t mutex; + mutex_t *mutex; /** * Condvar to wait for new jobs */ - pthread_cond_t jobadded; + condvar_t *job_added; /** * Condvar to wait for terminated threads */ - pthread_cond_t threadterminated; + condvar_t *thread_terminated; }; static void process_jobs(private_processor_t *this); @@ -85,10 +86,10 @@ static void restart(private_processor_t *this) if (pthread_create(&thread, NULL, (void*)process_jobs, this) != 0) { - pthread_mutex_lock(&this->mutex); + this->mutex->lock(this->mutex); this->total_threads--; - pthread_cond_broadcast(&this->threadterminated); - pthread_mutex_unlock(&this->mutex); + this->thread_terminated->broadcast(this->thread_terminated); + this->mutex->unlock(this->mutex); } } @@ -103,7 +104,7 @@ static void process_jobs(private_processor_t *this) DBG2(DBG_JOB, "started worker thread, thread_ID: %06u", (int)pthread_self()); - pthread_mutex_lock(&this->mutex); + this->mutex->lock(this->mutex); while (this->desired_threads >= this->total_threads) { job_t *job; @@ -111,21 +112,21 @@ static void process_jobs(private_processor_t *this) if (this->list->get_count(this->list) == 0) { this->idle_threads++; - pthread_cond_wait(&this->jobadded, &this->mutex); + this->job_added->wait(this->job_added, this->mutex); this->idle_threads--; continue; } this->list->remove_first(this->list, (void**)&job); - pthread_mutex_unlock(&this->mutex); + this->mutex->unlock(this->mutex); /* terminated threads are restarted, so we have a constant pool */ pthread_cleanup_push((void*)restart, this); job->execute(job); pthread_cleanup_pop(0); - pthread_mutex_lock(&this->mutex); + this->mutex->lock(this->mutex); } this->total_threads--; - pthread_cond_signal(&this->threadterminated); - pthread_mutex_unlock(&this->mutex); + this->thread_terminated->signal(this->thread_terminated); + this->mutex->unlock(this->mutex); } /** @@ -134,9 +135,9 @@ static void process_jobs(private_processor_t *this) static u_int get_total_threads(private_processor_t *this) { u_int count; - pthread_mutex_lock(&this->mutex); + this->mutex->lock(this->mutex); count = this->total_threads; - pthread_mutex_unlock(&this->mutex); + this->mutex->unlock(this->mutex); return count; } @@ -146,9 +147,9 @@ static u_int get_total_threads(private_processor_t *this) static u_int get_idle_threads(private_processor_t *this) { u_int count; - pthread_mutex_lock(&this->mutex); + this->mutex->lock(this->mutex); count = this->idle_threads; - pthread_mutex_unlock(&this->mutex); + this->mutex->unlock(this->mutex); return count; } @@ -158,9 +159,9 @@ static u_int get_idle_threads(private_processor_t *this) static u_int get_job_load(private_processor_t *this) { u_int load; - pthread_mutex_lock(&this->mutex); + this->mutex->lock(this->mutex); load = this->list->get_count(this->list); - pthread_mutex_unlock(&this->mutex); + this->mutex->unlock(this->mutex); return load; } @@ -169,10 +170,10 @@ static u_int get_job_load(private_processor_t *this) */ static void queue_job(private_processor_t *this, job_t *job) { - pthread_mutex_lock(&this->mutex); + this->mutex->lock(this->mutex); this->list->insert_last(this->list, job); - pthread_cond_signal(&this->jobadded); - pthread_mutex_unlock(&this->mutex); + this->job_added->signal(this->job_added); + this->mutex->unlock(this->mutex); } /** @@ -180,7 +181,7 @@ static void queue_job(private_processor_t *this, job_t *job) */ static void set_threads(private_processor_t *this, u_int count) { - pthread_mutex_lock(&this->mutex); + this->mutex->lock(this->mutex); if (count > this->total_threads) { /* increase thread count */ int i; @@ -200,8 +201,8 @@ static void set_threads(private_processor_t *this, u_int count) { /* decrease thread count */ this->desired_threads = count; } - pthread_cond_broadcast(&this->jobadded); - pthread_mutex_unlock(&this->mutex); + this->job_added->broadcast(this->job_added); + this->mutex->unlock(this->mutex); } /** @@ -210,13 +211,16 @@ static void set_threads(private_processor_t *this, u_int count) static void destroy(private_processor_t *this) { set_threads(this, 0); - pthread_mutex_lock(&this->mutex); + this->mutex->lock(this->mutex); while (this->total_threads > 0) { - pthread_cond_broadcast(&this->jobadded); - pthread_cond_wait(&this->threadterminated, &this->mutex); + this->job_added->broadcast(this->job_added); + this->thread_terminated->wait(this->thread_terminated, this->mutex); } - pthread_mutex_unlock(&this->mutex); + this->mutex->unlock(this->mutex); + this->thread_terminated->destroy(this->thread_terminated); + this->job_added->destroy(this->job_added); + this->mutex->destroy(this->mutex); this->list->destroy_offset(this->list, offsetof(job_t, destroy)); free(this); } @@ -236,9 +240,9 @@ processor_t *processor_create(size_t pool_size) this->public.destroy = (void(*)(processor_t*))destroy; this->list = linked_list_create(); - pthread_mutex_init(&this->mutex, NULL); - pthread_cond_init(&this->jobadded, NULL); - pthread_cond_init(&this->threadterminated, NULL); + this->mutex = mutex_create(MUTEX_DEFAULT); + this->job_added = condvar_create(CONDVAR_DEFAULT); + this->thread_terminated = condvar_create(CONDVAR_DEFAULT); this->total_threads = 0; this->desired_threads = 0; this->idle_threads = 0; diff --git a/src/charon/sa/authenticators/eap/eap_manager.c b/src/charon/sa/authenticators/eap/eap_manager.c index 44d84156c..c1c2d6fce 100644 --- a/src/charon/sa/authenticators/eap/eap_manager.c +++ b/src/charon/sa/authenticators/eap/eap_manager.c @@ -12,14 +12,13 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: eap_manager.c 3589 2008-03-13 14:14:44Z martin $ + * $Id: eap_manager.c 4579 2008-11-05 11:29:56Z martin $ */ #include "eap_manager.h" -#include <pthread.h> - #include <utils/linked_list.h> +#include <utils/mutex.h> typedef struct private_eap_manager_t private_eap_manager_t; typedef struct eap_entry_t eap_entry_t; @@ -68,7 +67,7 @@ struct private_eap_manager_t { /** * mutex to lock methods */ - pthread_mutex_t mutex; + mutex_t *mutex; }; /** @@ -85,9 +84,9 @@ static void add_method(private_eap_manager_t *this, eap_type_t type, entry->role = role; entry->constructor = constructor; - pthread_mutex_lock(&this->mutex); + this->mutex->lock(this->mutex); this->methods->insert_last(this->methods, entry); - pthread_mutex_unlock(&this->mutex); + this->mutex->unlock(this->mutex); } /** @@ -98,7 +97,7 @@ static void remove_method(private_eap_manager_t *this, eap_constructor_t constru enumerator_t *enumerator; eap_entry_t *entry; - pthread_mutex_lock(&this->mutex); + this->mutex->lock(this->mutex); enumerator = this->methods->create_enumerator(this->methods); while (enumerator->enumerate(enumerator, &entry)) { @@ -109,7 +108,7 @@ static void remove_method(private_eap_manager_t *this, eap_constructor_t constru } } enumerator->destroy(enumerator); - pthread_mutex_unlock(&this->mutex); + this->mutex->unlock(this->mutex); } /** @@ -124,7 +123,7 @@ static eap_method_t* create_instance(private_eap_manager_t *this, eap_entry_t *entry; eap_method_t *method = NULL; - pthread_mutex_lock(&this->mutex); + this->mutex->lock(this->mutex); enumerator = this->methods->create_enumerator(this->methods); while (enumerator->enumerate(enumerator, &entry)) { @@ -139,7 +138,7 @@ static eap_method_t* create_instance(private_eap_manager_t *this, } } enumerator->destroy(enumerator); - pthread_mutex_unlock(&this->mutex); + this->mutex->unlock(this->mutex); return method; } @@ -149,6 +148,7 @@ static eap_method_t* create_instance(private_eap_manager_t *this, static void destroy(private_eap_manager_t *this) { this->methods->destroy_function(this->methods, free); + this->mutex->destroy(this->mutex); free(this); } @@ -165,7 +165,7 @@ eap_manager_t *eap_manager_create() this->public.destroy = (void(*)(eap_manager_t*))destroy; this->methods = linked_list_create(); - pthread_mutex_init(&this->mutex, NULL); + this->mutex = mutex_create(MUTEX_DEFAULT); return &this->public; } diff --git a/src/charon/sa/authenticators/eap_authenticator.c b/src/charon/sa/authenticators/eap_authenticator.c index 0909d6563..5c22f3df2 100644 --- a/src/charon/sa/authenticators/eap_authenticator.c +++ b/src/charon/sa/authenticators/eap_authenticator.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006 Martin Willi + * Copyright (C) 2006-2008 Martin Willi * Hochschule fuer Technik Rapperswil * * This program is free software; you can redistribute it and/or modify it @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: eap_authenticator.c 4292 2008-08-26 19:54:47Z andreas $ + * $Id: eap_authenticator.c 4495 2008-10-28 16:07:06Z martin $ */ #include <string.h> @@ -70,36 +70,24 @@ struct private_eap_authenticator_t { */ u_int32_t vendor; }; - -/** - * reuse shared key signature function from PSK authenticator - */ -extern chunk_t build_shared_key_signature(chunk_t ike_sa_init, chunk_t nonce, - chunk_t secret, identification_t *id, - chunk_t skp, prf_t *prf); /** * Implementation of authenticator_t.verify. */ static status_t verify(private_eap_authenticator_t *this, chunk_t ike_sa_init, chunk_t my_nonce, auth_payload_t *auth_payload) { - chunk_t auth_data, recv_auth_data, secret; - identification_t *other_id = this->ike_sa->get_other_id(this->ike_sa); + chunk_t auth_data, recv_auth_data; + identification_t *other_id; + keymat_t *keymat; - if (this->msk.len) - { /* use MSK if EAP method established one... */ - secret = this->msk; - } - else - { /* ... or use SKp if not */ - secret = this->ike_sa->get_skp_verify(this->ike_sa); - } - auth_data = build_shared_key_signature(ike_sa_init, my_nonce, secret, - other_id, this->ike_sa->get_skp_verify(this->ike_sa), - this->ike_sa->get_prf(this->ike_sa)); + other_id = this->ike_sa->get_other_id(this->ike_sa); + keymat = this->ike_sa->get_keymat(this->ike_sa); + + auth_data = keymat->get_psk_sig(keymat, TRUE, ike_sa_init, my_nonce, + this->msk, other_id); recv_auth_data = auth_payload->get_data(auth_payload); - if (!chunk_equals(auth_data, recv_auth_data)) + if (!auth_data.len || !chunk_equals(auth_data, recv_auth_data)) { DBG1(DBG_IKE, "verification of AUTH payload created from EAP MSK failed"); chunk_free(&auth_data); @@ -118,23 +106,18 @@ static status_t verify(private_eap_authenticator_t *this, chunk_t ike_sa_init, static status_t build(private_eap_authenticator_t *this, chunk_t ike_sa_init, chunk_t other_nonce, auth_payload_t **auth_payload) { - chunk_t auth_data, secret; - identification_t *my_id = this->ike_sa->get_my_id(this->ike_sa); + identification_t *my_id; + chunk_t auth_data; + keymat_t *keymat; + + my_id = this->ike_sa->get_my_id(this->ike_sa); + keymat = this->ike_sa->get_keymat(this->ike_sa); DBG1(DBG_IKE, "authentication of '%D' (myself) with %N", my_id, auth_class_names, AUTH_CLASS_EAP); - - if (this->msk.len) - { /* use MSK if EAP method established one... */ - secret = this->msk; - } - else - { /* ... or use SKp if not */ - secret = this->ike_sa->get_skp_build(this->ike_sa); - } - auth_data = build_shared_key_signature(ike_sa_init, other_nonce, secret, - my_id, this->ike_sa->get_skp_build(this->ike_sa), - this->ike_sa->get_prf(this->ike_sa)); + + auth_data = keymat->get_psk_sig(keymat, FALSE, ike_sa_init, other_nonce, + this->msk, my_id); *auth_payload = auth_payload_create(); (*auth_payload)->set_auth_method(*auth_payload, AUTH_PSK); diff --git a/src/charon/sa/authenticators/psk_authenticator.c b/src/charon/sa/authenticators/psk_authenticator.c index d003dc2c9..ae5a66479 100644 --- a/src/charon/sa/authenticators/psk_authenticator.c +++ b/src/charon/sa/authenticators/psk_authenticator.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2005-2006 Martin Willi + * Copyright (C) 2005-2008 Martin Willi * Copyright (C) 2005 Jan Hutter * Hochschule fuer Technik Rapperswil * @@ -13,7 +13,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: psk_authenticator.c 3589 2008-03-13 14:14:44Z martin $ + * $Id: psk_authenticator.c 4495 2008-10-28 16:07:06Z martin $ */ #include <string.h> @@ -23,12 +23,6 @@ #include <daemon.h> #include <credentials/auth_info.h> -/** - * Key pad for the AUTH method SHARED_KEY_MESSAGE_INTEGRITY_CODE. - */ -#define IKEV2_KEY_PAD "Key Pad for IKEv2" -#define IKEV2_KEY_PAD_LENGTH 17 - typedef struct private_psk_authenticator_t private_psk_authenticator_t; @@ -49,55 +43,6 @@ struct private_psk_authenticator_t { }; /** - * Builds the octets to be signed as described in section 2.15 of RFC 4306 - */ -chunk_t build_tbs_octets(chunk_t ike_sa_init, chunk_t nonce, - identification_t *id, prf_t *prf) -{ - u_int8_t id_header_buf[] = {0x00, 0x00, 0x00, 0x00}; - chunk_t id_header = chunk_from_buf(id_header_buf); - chunk_t id_with_header, id_prfd, id_encoding; - - id_header_buf[0] = id->get_type(id); - id_encoding = id->get_encoding(id); - - id_with_header = chunk_cat("cc", id_header, id_encoding); - prf->allocate_bytes(prf, id_with_header, &id_prfd); - chunk_free(&id_with_header); - - return chunk_cat("ccm", ike_sa_init, nonce, id_prfd); -} - -/** - * Creates the AUTH data using auth method SHARED_KEY_MESSAGE_INTEGRITY_CODE. - */ -chunk_t build_shared_key_signature(chunk_t ike_sa_init, chunk_t nonce, - chunk_t secret, identification_t *id, - chunk_t skp, prf_t *prf) -{ - chunk_t key_pad, key, auth_data, octets; - - prf->set_key(prf, skp); - octets = build_tbs_octets(ike_sa_init, nonce, id, prf); - /* AUTH = prf(prf(Shared Secret,"Key Pad for IKEv2"), <msg octets>) */ - key_pad.ptr = IKEV2_KEY_PAD; - key_pad.len = IKEV2_KEY_PAD_LENGTH; - prf->set_key(prf, secret); - prf->allocate_bytes(prf, key_pad, &key); - prf->set_key(prf, key); - prf->allocate_bytes(prf, octets, &auth_data); - DBG3(DBG_IKE, "octets = message + nonce + prf(Sk_px, IDx') %B", &octets); - DBG3(DBG_IKE, "secret %B", &secret); - DBG3(DBG_IKE, "keypad %B", &key_pad); - DBG3(DBG_IKE, "prf(secret, keypad) %B", &key); - DBG3(DBG_IKE, "AUTH = prf(prf(secret, keypad), octets) %B", &auth_data); - chunk_free(&octets); - chunk_free(&key); - - return auth_data; -} - -/** * Implementation of authenticator_t.verify. */ static status_t verify(private_psk_authenticator_t *this, chunk_t ike_sa_init, @@ -105,25 +50,25 @@ static status_t verify(private_psk_authenticator_t *this, chunk_t ike_sa_init, { chunk_t auth_data, recv_auth_data; identification_t *my_id, *other_id; - shared_key_t *shared_key; + shared_key_t *key; enumerator_t *enumerator; bool authenticated = FALSE; int keys_found = 0; + keymat_t *keymat; + keymat = this->ike_sa->get_keymat(this->ike_sa); + recv_auth_data = auth_payload->get_data(auth_payload); my_id = this->ike_sa->get_my_id(this->ike_sa); other_id = this->ike_sa->get_other_id(this->ike_sa); enumerator = charon->credentials->create_shared_enumerator( charon->credentials, SHARED_IKE, my_id, other_id); - while (!authenticated && enumerator->enumerate(enumerator, &shared_key, NULL, NULL)) + while (!authenticated && enumerator->enumerate(enumerator, &key, NULL, NULL)) { keys_found++; - auth_data = build_shared_key_signature(ike_sa_init, my_nonce, - shared_key->get_key(shared_key), other_id, - this->ike_sa->get_skp_verify(this->ike_sa), - this->ike_sa->get_prf(this->ike_sa)); - recv_auth_data = auth_payload->get_data(auth_payload); - if (auth_data.len == recv_auth_data.len && - memeq(auth_data.ptr, recv_auth_data.ptr, auth_data.len)) + + auth_data = keymat->get_psk_sig(keymat, TRUE, ike_sa_init, my_nonce, + key->get_key(key), other_id); + if (auth_data.len && chunk_equals(auth_data, recv_auth_data)) { DBG1(DBG_IKE, "authentication of '%D' with %N successful", other_id, auth_method_names, AUTH_PSK); @@ -153,26 +98,26 @@ static status_t verify(private_psk_authenticator_t *this, chunk_t ike_sa_init, static status_t build(private_psk_authenticator_t *this, chunk_t ike_sa_init, chunk_t other_nonce, auth_payload_t **auth_payload) { - shared_key_t *shared_key; - chunk_t auth_data; identification_t *my_id, *other_id; + shared_key_t *key; + chunk_t auth_data; + keymat_t *keymat; + keymat = this->ike_sa->get_keymat(this->ike_sa); my_id = this->ike_sa->get_my_id(this->ike_sa); other_id = this->ike_sa->get_other_id(this->ike_sa); DBG1(DBG_IKE, "authentication of '%D' (myself) with %N", my_id, auth_method_names, AUTH_PSK); - shared_key = charon->credentials->get_shared(charon->credentials, SHARED_IKE, - my_id, other_id); - if (shared_key == NULL) + key = charon->credentials->get_shared(charon->credentials, SHARED_IKE, + my_id, other_id); + if (key == NULL) { DBG1(DBG_IKE, "no shared key found for '%D' - '%D'", my_id, other_id); return NOT_FOUND; } - auth_data = build_shared_key_signature(ike_sa_init, other_nonce, - shared_key->get_key(shared_key), my_id, - this->ike_sa->get_skp_build(this->ike_sa), - this->ike_sa->get_prf(this->ike_sa)); - shared_key->destroy(shared_key); + auth_data = keymat->get_psk_sig(keymat, FALSE, ike_sa_init, other_nonce, + key->get_key(key), my_id); + key->destroy(key); DBG2(DBG_IKE, "successfully created shared key MAC"); *auth_payload = auth_payload_create(); (*auth_payload)->set_auth_method(*auth_payload, AUTH_PSK); diff --git a/src/charon/sa/authenticators/pubkey_authenticator.c b/src/charon/sa/authenticators/pubkey_authenticator.c index 2c02ca84c..c16f3b888 100644 --- a/src/charon/sa/authenticators/pubkey_authenticator.c +++ b/src/charon/sa/authenticators/pubkey_authenticator.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2008 Tobias Brunner - * Copyright (C) 2005-2006 Martin Willi + * Copyright (C) 2005-2008 Martin Willi * Copyright (C) 2005 Jan Hutter * Hochschule fuer Technik Rapperswil * @@ -14,7 +14,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: pubkey_authenticator.c 4054 2008-06-10 20:31:53Z andreas $ + * $Id: pubkey_authenticator.c 4495 2008-10-28 16:07:06Z martin $ */ #include <string.h> @@ -44,12 +44,6 @@ struct private_pubkey_authenticator_t { }; /** - * Function implemented in psk_authenticator.c - */ -extern chunk_t build_tbs_octets(chunk_t ike_sa_init, chunk_t nonce, - identification_t *id, prf_t *prf); - -/** * Implementation of authenticator_t.verify. */ static status_t verify(private_pubkey_authenticator_t *this, chunk_t ike_sa_init, @@ -58,15 +52,15 @@ static status_t verify(private_pubkey_authenticator_t *this, chunk_t ike_sa_init public_key_t *public; auth_method_t auth_method; chunk_t auth_data, octets; - identification_t *other_id; - prf_t *prf; + identification_t *id; auth_info_t *auth, *current_auth; enumerator_t *enumerator; key_type_t key_type = KEY_ECDSA; signature_scheme_t scheme; status_t status = FAILED; + keymat_t *keymat; - other_id = this->ike_sa->get_other_id(this->ike_sa); + id = this->ike_sa->get_other_id(this->ike_sa); auth_method = auth_payload->get_auth_method(auth_payload); switch (auth_method) { @@ -89,19 +83,17 @@ static status_t verify(private_pubkey_authenticator_t *this, chunk_t ike_sa_init return INVALID_ARG; } auth_data = auth_payload->get_data(auth_payload); - prf = this->ike_sa->get_prf(this->ike_sa); - prf->set_key(prf, this->ike_sa->get_skp_verify(this->ike_sa)); - octets = build_tbs_octets(ike_sa_init, my_nonce, other_id, prf); - + keymat = this->ike_sa->get_keymat(this->ike_sa); + octets = keymat->get_auth_octets(keymat, TRUE, ike_sa_init, my_nonce, id); auth = this->ike_sa->get_other_auth(this->ike_sa); enumerator = charon->credentials->create_public_enumerator( - charon->credentials, key_type, other_id, auth); + charon->credentials, key_type, id, auth); while (enumerator->enumerate(enumerator, &public, ¤t_auth)) { if (public->verify(public, scheme, octets, auth_data)) { DBG1(DBG_IKE, "authentication of '%D' with %N successful", - other_id, auth_method_names, auth_method); + id, auth_method_names, auth_method); status = SUCCESS; auth->merge(auth, current_auth); break; @@ -125,19 +117,19 @@ static status_t build(private_pubkey_authenticator_t *this, chunk_t ike_sa_init, chunk_t octets, auth_data; status_t status = FAILED; private_key_t *private; - identification_t *my_id; - prf_t *prf; + identification_t *id; auth_info_t *auth; auth_method_t auth_method; signature_scheme_t scheme; + keymat_t *keymat; - my_id = this->ike_sa->get_my_id(this->ike_sa); + id = this->ike_sa->get_my_id(this->ike_sa); auth = this->ike_sa->get_my_auth(this->ike_sa); private = charon->credentials->get_private(charon->credentials, KEY_ANY, - my_id, auth); + id, auth); if (private == NULL) { - DBG1(DBG_IKE, "no private key found for '%D'", my_id); + DBG1(DBG_IKE, "no private key found for '%D'", id); return NOT_FOUND; } @@ -176,9 +168,8 @@ static status_t build(private_pubkey_authenticator_t *this, chunk_t ike_sa_init, key_type_names, private->get_type(private)); return status; } - prf = this->ike_sa->get_prf(this->ike_sa); - prf->set_key(prf, this->ike_sa->get_skp_build(this->ike_sa)); - octets = build_tbs_octets(ike_sa_init, other_nonce, my_id, prf); + keymat = this->ike_sa->get_keymat(this->ike_sa); + octets = keymat->get_auth_octets(keymat, FALSE, ike_sa_init, other_nonce, id); if (private->sign(private, scheme, octets, &auth_data)) { @@ -189,9 +180,9 @@ static status_t build(private_pubkey_authenticator_t *this, chunk_t ike_sa_init, chunk_free(&auth_data); status = SUCCESS; } - DBG1(DBG_IKE, "authentication of '%D' (myself) with %N %s", my_id, - auth_method_names, auth_method, - (status == SUCCESS)? "successful":"failed"); + DBG1(DBG_IKE, "authentication of '%D' (myself) with %N %s", id, + auth_method_names, auth_method, + (status == SUCCESS)? "successful":"failed"); chunk_free(&octets); private->destroy(private); diff --git a/src/charon/sa/child_sa.c b/src/charon/sa/child_sa.c index 7c4b398cf..d7a63d5e8 100644 --- a/src/charon/sa/child_sa.c +++ b/src/charon/sa/child_sa.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2006-2008 Tobias Brunner - * Copyright (C) 2005-2007 Martin Willi + * Copyright (C) 2005-2008 Martin Willi * Copyright (C) 2006 Daniel Roethlisberger * Copyright (C) 2005 Jan Hutter * Hochschule fuer Technik Rapperswil @@ -15,7 +15,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: child_sa.c 4358 2008-09-25 13:56:23Z tobias $ + * $Id: child_sa.c 4665 2008-11-17 00:01:34Z andreas $ */ #define _GNU_SOURCE @@ -23,36 +23,21 @@ #include <stdio.h> #include <string.h> +#include <time.h> #include <daemon.h> -ENUM(child_sa_state_names, CHILD_CREATED, CHILD_DELETING, +ENUM(child_sa_state_names, CHILD_CREATED, CHILD_DESTROYING, "CREATED", "ROUTED", + "INSTALLING", "INSTALLED", + "UPDATING", "REKEYING", "DELETING", + "DESTROYING", ); -typedef struct sa_policy_t sa_policy_t; - -/** - * Struct used to store information for a policy. This - * is needed since we must provide all this information - * for deleting a policy... - */ -struct sa_policy_t { - /** - * Traffic selector for us - */ - traffic_selector_t *my_ts; - - /** - * Traffic selector for other - */ - traffic_selector_t *other_ts; -}; - typedef struct private_child_sa_t private_child_sa_t; /** @@ -64,83 +49,77 @@ struct private_child_sa_t { */ child_sa_t public; - struct { - /** address of peer */ - host_t *addr; - /** id of peer */ - identification_t *id; - /** actual used SPI, 0 if unused */ - u_int32_t spi; - /** Compression Parameter Index (CPI) used, 0 if unused */ - u_int16_t cpi; - } me, other; - /** - * Allocated SPI for a ESP proposal candidates + * address of us */ - u_int32_t alloc_esp_spi; + host_t *my_addr; /** - * Allocated SPI for a AH proposal candidates + * address of remote */ - u_int32_t alloc_ah_spi; + host_t *other_addr; /** - * Protocol used to protect this SA, ESP|AH + * our actually used SPI, 0 if unused */ - protocol_id_t protocol; + u_int32_t my_spi; /** - * List containing sa_policy_t objects + * others used SPI, 0 if unused */ - linked_list_t *policies; + u_int32_t other_spi; /** - * Seperate list for local traffic selectors + * our Compression Parameter Index (CPI) used, 0 if unused */ - linked_list_t *my_ts; + u_int16_t my_cpi; /** - * Seperate list for remote traffic selectors + * others Compression Parameter Index (CPI) used, 0 if unused */ - linked_list_t *other_ts; + u_int16_t other_cpi; /** - * reqid used for this child_sa + * List for local traffic selectors */ - u_int32_t reqid; + linked_list_t *my_ts; /** - * encryption algorithm used for this SA + * List for remote traffic selectors */ - u_int16_t enc_alg; + linked_list_t *other_ts; /** - * key size of enc_alg + * Allocated SPI for a ESP proposal candidates */ - u_int16_t enc_size; + u_int32_t alloc_esp_spi; /** - * integrity protection algorithm used for this SA + * Allocated SPI for a AH proposal candidates */ - u_int16_t int_alg; + u_int32_t alloc_ah_spi; /** - * key size of int_alg + * Protocol used to protect this SA, ESP|AH */ - u_int16_t int_size; + protocol_id_t protocol; /** - * time, on which SA was installed + * reqid used for this child_sa */ - time_t install_time; + u_int32_t reqid; /** - * absolute time when rekeying is sceduled + * absolute time when rekeying is scheduled */ time_t rekey_time; /** + * absolute time when the SA expires + */ + time_t expire_time; + + /** * state of the CHILD_SA */ child_sa_state_t state; @@ -166,23 +145,18 @@ struct private_child_sa_t { ipsec_mode_t mode; /** - * virtual IP assinged to local host - */ - host_t *virtual_ip; + * selected proposal + */ + proposal_t *proposal; /** * config used to create this child */ child_cfg_t *config; - - /** - * cached interface name for iptables - */ - char *iface; }; /** - * Implementation of child_sa_t.get_name. + * Implementation of child_sa_t.get_name */ static char *get_name(private_child_sa_t *this) { @@ -202,11 +176,7 @@ static u_int32_t get_reqid(private_child_sa_t *this) */ u_int32_t get_spi(private_child_sa_t *this, bool inbound) { - if (inbound) - { - return this->me.spi; - } - return this->other.spi; + return inbound ? this->my_spi : this->other_spi; } /** @@ -214,11 +184,7 @@ u_int32_t get_spi(private_child_sa_t *this, bool inbound) */ u_int16_t get_cpi(private_child_sa_t *this, bool inbound) { - if (inbound) - { - return this->me.cpi; - } - return this->other.cpi; + return inbound ? this->my_cpi : this->other_cpi; } /** @@ -230,6 +196,30 @@ protocol_id_t get_protocol(private_child_sa_t *this) } /** + * Implementation of child_sa_t.get_mode + */ +static ipsec_mode_t get_mode(private_child_sa_t *this) +{ + return this->mode; +} + +/** + * Implementation of child_sa_t.has_encap + */ +static bool has_encap(private_child_sa_t *this) +{ + return this->encap; +} + +/** + * Implementation of child_sa_t.get_ipcomp + */ +static ipcomp_transform_t get_ipcomp(private_child_sa_t *this) +{ + return this->ipcomp; +} + +/** * Implements child_sa_t.get_state */ static child_sa_state_t get_state(private_child_sa_t *this) @@ -245,207 +235,134 @@ static child_cfg_t* get_config(private_child_sa_t *this) return this->config; } +typedef struct policy_enumerator_t policy_enumerator_t; + /** - * Implementation of child_sa_t.get_stats. + * Private policy enumerator */ -static void get_stats(private_child_sa_t *this, ipsec_mode_t *mode, - encryption_algorithm_t *encr_algo, size_t *encr_len, - integrity_algorithm_t *int_algo, size_t *int_len, - u_int32_t *rekey, u_int32_t *use_in, u_int32_t *use_out, - u_int32_t *use_fwd) +struct policy_enumerator_t { + /** implements enumerator_t */ + enumerator_t public; + /** enumerator over own TS */ + enumerator_t *mine; + /** enumerator over others TS */ + enumerator_t *other; + /** list of others TS, to recreate enumerator */ + linked_list_t *list; + /** currently enumerating TS for "me" side */ + traffic_selector_t *ts; +}; + +/** + * enumerator function of create_policy_enumerator() + */ +static bool policy_enumerate(policy_enumerator_t *this, + traffic_selector_t **my_out, traffic_selector_t **other_out) { - sa_policy_t *policy; - iterator_t *iterator; - u_int32_t in = 0, out = 0, fwd = 0, time; + traffic_selector_t *other_ts; - iterator = this->policies->create_iterator(this->policies, TRUE); - while (iterator->iterate(iterator, (void**)&policy)) + while (this->ts || this->mine->enumerate(this->mine, &this->ts)) { - - if (charon->kernel_interface->query_policy(charon->kernel_interface, - policy->other_ts, policy->my_ts, POLICY_IN, &time) == SUCCESS) - { - in = max(in, time); + if (!this->other->enumerate(this->other, &other_ts)) + { /* end of others list, restart with new of mine */ + this->other->destroy(this->other); + this->other = this->list->create_enumerator(this->list); + this->ts = NULL; + continue; } - if (charon->kernel_interface->query_policy(charon->kernel_interface, - policy->my_ts, policy->other_ts, POLICY_OUT, &time) == SUCCESS) - { - out = max(out, time); + if (this->ts->get_type(this->ts) != other_ts->get_type(other_ts)) + { /* family mismatch */ + continue; } - if (charon->kernel_interface->query_policy(charon->kernel_interface, - policy->other_ts, policy->my_ts, POLICY_FWD, &time) == SUCCESS) - { - fwd = max(fwd, time); + if (this->ts->get_protocol(this->ts) && + other_ts->get_protocol(other_ts) && + this->ts->get_protocol(this->ts) != other_ts->get_protocol(other_ts)) + { /* protocol mismatch */ + continue; } + *my_out = this->ts; + *other_out = other_ts; + return TRUE; } - iterator->destroy(iterator); + return FALSE; +} - *mode = this->mode; - *encr_algo = this->enc_alg; - *encr_len = this->enc_size; - *int_algo = this->int_alg; - *int_len = this->int_size; - *rekey = this->rekey_time; - *use_in = in; - *use_out = out; - *use_fwd = fwd; +/** + * destroy function of create_policy_enumerator() + */ +static void policy_destroy(policy_enumerator_t *this) +{ + this->mine->destroy(this->mine); + this->other->destroy(this->other); + free(this); } /** - * Run the up/down script + * Implementation of child_sa_t.create_policy_enumerator */ -static void updown(private_child_sa_t *this, bool up) +static enumerator_t* create_policy_enumerator(private_child_sa_t *this) { - sa_policy_t *policy; - iterator_t *iterator; - char *script; - - script = this->config->get_updown(this->config); + policy_enumerator_t *e = malloc_thing(policy_enumerator_t); - if (script == NULL) - { - return; - } + e->public.enumerate = (void*)policy_enumerate; + e->public.destroy = (void*)policy_destroy; + e->mine = this->my_ts->create_enumerator(this->my_ts); + e->other = this->other_ts->create_enumerator(this->other_ts); + e->list = this->other_ts; + e->ts = NULL; - iterator = this->policies->create_iterator(this->policies, TRUE); - while (iterator->iterate(iterator, (void**)&policy)) - { - char command[1024]; - char *my_client, *other_client, *my_client_mask, *other_client_mask; - char *pos, *virtual_ip; - FILE *shell; - - /* get subnet/bits from string */ - asprintf(&my_client, "%R", policy->my_ts); - pos = strchr(my_client, '/'); - *pos = '\0'; - my_client_mask = pos + 1; - pos = strchr(my_client_mask, '['); - if (pos) - { - *pos = '\0'; - } - asprintf(&other_client, "%R", policy->other_ts); - pos = strchr(other_client, '/'); - *pos = '\0'; - other_client_mask = pos + 1; - pos = strchr(other_client_mask, '['); - if (pos) - { - *pos = '\0'; - } - - if (this->virtual_ip) - { - asprintf(&virtual_ip, "PLUTO_MY_SOURCEIP='%H' ", - this->virtual_ip); - } - else - { - asprintf(&virtual_ip, ""); - } + return &e->public; +} - /* we cache the iface name, as it may not be available when - * the SA gets deleted */ - if (up) - { - free(this->iface); - this->iface = charon->kernel_interface->get_interface( - charon->kernel_interface, this->me.addr); - } - - /* build the command with all env variables. - * TODO: PLUTO_PEER_CA and PLUTO_NEXT_HOP are currently missing - */ - snprintf(command, sizeof(command), - "2>&1 " - "PLUTO_VERSION='1.1' " - "PLUTO_VERB='%s%s%s' " - "PLUTO_CONNECTION='%s' " - "PLUTO_INTERFACE='%s' " - "PLUTO_REQID='%u' " - "PLUTO_ME='%H' " - "PLUTO_MY_ID='%D' " - "PLUTO_MY_CLIENT='%s/%s' " - "PLUTO_MY_CLIENT_NET='%s' " - "PLUTO_MY_CLIENT_MASK='%s' " - "PLUTO_MY_PORT='%u' " - "PLUTO_MY_PROTOCOL='%u' " - "PLUTO_PEER='%H' " - "PLUTO_PEER_ID='%D' " - "PLUTO_PEER_CLIENT='%s/%s' " - "PLUTO_PEER_CLIENT_NET='%s' " - "PLUTO_PEER_CLIENT_MASK='%s' " - "PLUTO_PEER_PORT='%u' " - "PLUTO_PEER_PROTOCOL='%u' " - "%s" - "%s" - "%s", - up ? "up" : "down", - policy->my_ts->is_host(policy->my_ts, - this->me.addr) ? "-host" : "-client", - this->me.addr->get_family(this->me.addr) == AF_INET ? "" : "-v6", - this->config->get_name(this->config), - this->iface ? this->iface : "unknown", - this->reqid, - this->me.addr, - this->me.id, - my_client, my_client_mask, - my_client, my_client_mask, - policy->my_ts->get_from_port(policy->my_ts), - policy->my_ts->get_protocol(policy->my_ts), - this->other.addr, - this->other.id, - other_client, other_client_mask, - other_client, other_client_mask, - policy->other_ts->get_from_port(policy->other_ts), - policy->other_ts->get_protocol(policy->other_ts), - virtual_ip, - this->config->get_hostaccess(this->config) ? - "PLUTO_HOST_ACCESS='1' " : "", - script); - free(my_client); - free(other_client); - free(virtual_ip); - - DBG3(DBG_CHD, "running updown script: %s", command); - shell = popen(command, "r"); +/** + * Implementation of child_sa_t.get_usetime + */ +static u_int32_t get_usetime(private_child_sa_t *this, bool inbound) +{ + enumerator_t *enumerator; + traffic_selector_t *my_ts, *other_ts; + u_int32_t last_use = 0; - if (shell == NULL) - { - DBG1(DBG_CHD, "could not execute updown script '%s'", script); - return; - } + enumerator = create_policy_enumerator(this); + while (enumerator->enumerate(enumerator, &my_ts, &other_ts)) + { + u_int32_t in, out, fwd; - while (TRUE) + if (inbound) { - char resp[128]; - - if (fgets(resp, sizeof(resp), shell) == NULL) + if (charon->kernel_interface->query_policy(charon->kernel_interface, + other_ts, my_ts, POLICY_IN, &in) == SUCCESS) { - if (ferror(shell)) - { - DBG1(DBG_CHD, "error reading output from updown script"); - return; - } - else + last_use = max(last_use, in); + } + if (this->mode != MODE_TRANSPORT) + { + if (charon->kernel_interface->query_policy(charon->kernel_interface, + other_ts, my_ts, POLICY_FWD, &fwd) == SUCCESS) { - break; + last_use = max(last_use, fwd); } } - else + } + else + { + if (charon->kernel_interface->query_policy(charon->kernel_interface, + my_ts, other_ts, POLICY_OUT, &out) == SUCCESS) { - char *e = resp + strlen(resp); - if (e > resp && e[-1] == '\n') - { /* trim trailing '\n' */ - e[-1] = '\0'; - } - DBG1(DBG_CHD, "updown: %s", resp); + last_use = max(last_use, out); } } - pclose(shell); } - iterator->destroy(iterator); + enumerator->destroy(enumerator); + return last_use; +} + +/** + * Implementation of child_sa_t.get_lifetime + */ +static u_int32_t get_lifetime(private_child_sa_t *this, bool hard) +{ + return hard ? this->expire_time : this->rekey_time; } /** @@ -453,11 +370,8 @@ static void updown(private_child_sa_t *this, bool up) */ static void set_state(private_child_sa_t *this, child_sa_state_t state) { + charon->bus->child_state_change(charon->bus, &this->public, state); this->state = state; - if (state == CHILD_INSTALLED) - { - updown(this, TRUE); - } } /** @@ -474,7 +388,7 @@ static status_t alloc_proposal(private_child_sa_t *this, proposal_t *proposal) { if (charon->kernel_interface->get_spi( charon->kernel_interface, - this->other.addr, this->me.addr, + this->other_addr, this->my_addr, PROTO_AH, this->reqid, &this->alloc_ah_spi) != SUCCESS) { @@ -490,7 +404,7 @@ static status_t alloc_proposal(private_child_sa_t *this, proposal_t *proposal) { if (charon->kernel_interface->get_spi( charon->kernel_interface, - this->other.addr, this->me.addr, + this->other_addr, this->my_addr, PROTO_ESP, this->reqid, &this->alloc_esp_spi) != SUCCESS) { @@ -502,7 +416,6 @@ static status_t alloc_proposal(private_child_sa_t *this, proposal_t *proposal) return SUCCESS; } - /** * Implements child_sa_t.alloc */ @@ -525,237 +438,213 @@ static status_t alloc(private_child_sa_t *this, linked_list_t *proposals) return SUCCESS; } +/** + * Install an SA for one direction + */ static status_t install(private_child_sa_t *this, proposal_t *proposal, - ipsec_mode_t mode, prf_plus_t *prf_plus, bool mine) + ipsec_mode_t mode, chunk_t integ, chunk_t encr, bool in) { - u_int32_t spi, soft, hard; - host_t *src; - host_t *dst; + u_int16_t enc_alg = ENCR_UNDEFINED, int_alg = AUTH_UNDEFINED, size; + u_int32_t spi, soft, hard, now; + host_t *src, *dst; status_t status; - this->protocol = proposal->get_protocol(proposal); - - /* now we have to decide which spi to use. Use self allocated, if "mine", - * or the one in the proposal, if not "mine" (others). Additionally, + /* now we have to decide which spi to use. Use self allocated, if "in", + * or the one in the proposal, if not "in" (others). Additionally, * source and dest host switch depending on the role */ - if (mine) + if (in) { /* if we have allocated SPIs for AH and ESP, we must delete the unused * one. */ if (this->protocol == PROTO_ESP) { - this->me.spi = this->alloc_esp_spi; + this->my_spi = this->alloc_esp_spi; if (this->alloc_ah_spi) { - charon->kernel_interface->del_sa(charon->kernel_interface, this->me.addr, - this->alloc_ah_spi, PROTO_AH); + charon->kernel_interface->del_sa(charon->kernel_interface, + this->my_addr, this->alloc_ah_spi, 0, PROTO_AH); } } else { - this->me.spi = this->alloc_ah_spi; + this->my_spi = this->alloc_ah_spi; if (this->alloc_esp_spi) { - charon->kernel_interface->del_sa(charon->kernel_interface, this->me.addr, - this->alloc_esp_spi, PROTO_ESP); + charon->kernel_interface->del_sa(charon->kernel_interface, + this->my_addr, this->alloc_esp_spi, 0, PROTO_ESP); } } - spi = this->me.spi; - dst = this->me.addr; - src = this->other.addr; + spi = this->my_spi; + dst = this->my_addr; + src = this->other_addr; } else { - this->other.spi = proposal->get_spi(proposal); - spi = this->other.spi; - src = this->me.addr; - dst = this->other.addr; + this->other_spi = proposal->get_spi(proposal); + spi = this->other_spi; + src = this->my_addr; + dst = this->other_addr; } - DBG2(DBG_CHD, "adding %s %N SA", mine ? "inbound" : "outbound", + DBG2(DBG_CHD, "adding %s %N SA", in ? "inbound" : "outbound", protocol_id_names, this->protocol); - /* select encryption algo */ - if (proposal->get_algorithm(proposal, ENCRYPTION_ALGORITHM, - &this->enc_alg, &this->enc_size)) - { - DBG2(DBG_CHD, " using %N for encryption", - encryption_algorithm_names, this->enc_alg); - } - - /* select integrity algo */ - if (proposal->get_algorithm(proposal, INTEGRITY_ALGORITHM, - &this->int_alg, &this->int_size)) - { - DBG2(DBG_CHD, " using %N for integrity", - integrity_algorithm_names, this->int_alg); - } - soft = this->config->get_lifetime(this->config, TRUE); - hard = this->config->get_lifetime(this->config, FALSE); - /* send SA down to the kernel */ DBG2(DBG_CHD, " SPI 0x%.8x, src %H dst %H", ntohl(spi), src, dst); - if (this->ipcomp != IPCOMP_NONE) - { - /* we install an additional IPComp SA */ - u_int32_t cpi = htonl(ntohs(mine ? this->me.cpi : this->other.cpi)); - status = charon->kernel_interface->add_sa(charon->kernel_interface, - src, dst, cpi, IPPROTO_COMP, this->reqid, 0, 0, - ENCR_UNDEFINED, 0, AUTH_UNDEFINED, 0, NULL, mode, - this->ipcomp, FALSE, mine); - } + proposal->get_algorithm(proposal, ENCRYPTION_ALGORITHM, &enc_alg, &size); + proposal->get_algorithm(proposal, INTEGRITY_ALGORITHM, &int_alg, &size); + soft = this->config->get_lifetime(this->config, TRUE); + hard = this->config->get_lifetime(this->config, FALSE); + status = charon->kernel_interface->add_sa(charon->kernel_interface, - src, dst, spi, this->protocol, this->reqid, mine ? soft : 0, hard, - this->enc_alg, this->enc_size, this->int_alg, this->int_size, - prf_plus, mode, IPCOMP_NONE, this->encap, mine); - - this->install_time = time(NULL); - this->rekey_time = this->install_time + soft; + src, dst, spi, this->protocol, this->reqid, + in ? soft : 0, hard, enc_alg, encr, int_alg, integ, + mode, this->ipcomp, in ? this->my_cpi : this->other_cpi, + this->encap, in); + + now = time(NULL); + this->rekey_time = now + soft; + this->expire_time = now + hard; return status; } -static status_t add(private_child_sa_t *this, proposal_t *proposal, - ipsec_mode_t mode, prf_plus_t *prf_plus) +/** + * Implementation of child_sa_t.add + */ +static status_t add(private_child_sa_t *this, + proposal_t *proposal, ipsec_mode_t mode, + chunk_t integ_in, chunk_t integ_out, + chunk_t encr_in, chunk_t encr_out) { - u_int32_t outbound_spi, inbound_spi; - - /* backup outbound spi, as alloc overwrites it */ - outbound_spi = proposal->get_spi(proposal); + this->proposal = proposal->clone(proposal); + this->protocol = proposal->get_protocol(proposal); - /* get SPIs inbound SAs */ + /* get SPIs for inbound SAs, write to proposal */ if (alloc_proposal(this, proposal) != SUCCESS) { return FAILED; } - inbound_spi = proposal->get_spi(proposal); - - /* install inbound SAs */ - if (install(this, proposal, mode, prf_plus, TRUE) != SUCCESS) + /* install inbound SAs using allocated SPI */ + if (install(this, proposal, mode, integ_in, encr_in, TRUE) != SUCCESS) { return FAILED; } - - /* install outbound SAs, restore spi*/ - proposal->set_spi(proposal, outbound_spi); - if (install(this, proposal, mode, prf_plus, FALSE) != SUCCESS) + /* install outbound SAs using received SPI*/ + if (install(this, this->proposal, mode, integ_out, encr_out, FALSE) != SUCCESS) { return FAILED; } - proposal->set_spi(proposal, inbound_spi); - return SUCCESS; } -static status_t update(private_child_sa_t *this, proposal_t *proposal, - ipsec_mode_t mode, prf_plus_t *prf_plus) +/** + * Implementation of child_sa_t.update + */ +static status_t update(private_child_sa_t *this, + proposal_t *proposal, ipsec_mode_t mode, + chunk_t integ_in, chunk_t integ_out, + chunk_t encr_in, chunk_t encr_out) { - u_int32_t inbound_spi; - - /* backup received spi, as install() overwrites it */ - inbound_spi = proposal->get_spi(proposal); + this->proposal = proposal->clone(proposal); + this->protocol = proposal->get_protocol(proposal); /* install outbound SAs */ - if (install(this, proposal, mode, prf_plus, FALSE) != SUCCESS) + if (install(this, proposal, mode, integ_out, encr_out, FALSE) != SUCCESS) { return FAILED; } - - /* restore spi */ - proposal->set_spi(proposal, inbound_spi); /* install inbound SAs */ - if (install(this, proposal, mode, prf_plus, TRUE) != SUCCESS) + if (install(this, proposal, mode, integ_in, encr_in, TRUE) != SUCCESS) { return FAILED; } - return SUCCESS; } +/** + * Implementation of child_sa_t.get_proposal + */ +static proposal_t* get_proposal(private_child_sa_t *this) +{ + return this->proposal; +} + +/** + * Implementation of child_sa_t.add_policies + */ static status_t add_policies(private_child_sa_t *this, linked_list_t *my_ts_list, linked_list_t *other_ts_list, ipsec_mode_t mode, protocol_id_t proto) { - iterator_t *my_iter, *other_iter; + enumerator_t *enumerator; traffic_selector_t *my_ts, *other_ts; - /* use low prio for ROUTED policies */ - bool high_prio = (this->state != CHILD_CREATED); + status_t status = SUCCESS; + bool routed = (this->state == CHILD_CREATED); if (this->protocol == PROTO_NONE) { /* update if not set yet */ this->protocol = proto; } + + /* apply traffic selectors */ + enumerator = my_ts_list->create_enumerator(my_ts_list); + while (enumerator->enumerate(enumerator, &my_ts)) + { + this->my_ts->insert_last(this->my_ts, my_ts->clone(my_ts)); + } + enumerator->destroy(enumerator); + enumerator = other_ts_list->create_enumerator(other_ts_list); + while (enumerator->enumerate(enumerator, &other_ts)) + { + this->other_ts->insert_last(this->other_ts, other_ts->clone(other_ts)); + } + enumerator->destroy(enumerator); - /* iterate over both lists */ - my_iter = my_ts_list->create_iterator(my_ts_list, TRUE); - other_iter = other_ts_list->create_iterator(other_ts_list, TRUE); - while (my_iter->iterate(my_iter, (void**)&my_ts)) + if (this->config->install_policy(this->config)) { - other_iter->reset(other_iter); - while (other_iter->iterate(other_iter, (void**)&other_ts)) + /* enumerate pairs of traffic selectors */ + enumerator = create_policy_enumerator(this); + while (enumerator->enumerate(enumerator, &my_ts, &other_ts)) { - /* set up policies for every entry in my_ts_list to every entry in other_ts_list */ - status_t status; - sa_policy_t *policy; - - if (my_ts->get_type(my_ts) != other_ts->get_type(other_ts)) - { - DBG2(DBG_CHD, - "CHILD_SA policy uses two different IP families - ignored"); - continue; - } - - /* only set up policies if protocol matches, or if one is zero (any) */ - if (my_ts->get_protocol(my_ts) != other_ts->get_protocol(other_ts) && - my_ts->get_protocol(my_ts) && other_ts->get_protocol(other_ts)) - { - DBG2(DBG_CHD, - "CHILD_SA policy uses two different protocols - ignored"); - continue; - } - /* install 3 policies: out, in and forward */ - status = charon->kernel_interface->add_policy(charon->kernel_interface, - this->me.addr, this->other.addr, my_ts, other_ts, POLICY_OUT, - this->protocol, this->reqid, high_prio, mode, this->ipcomp); - status |= charon->kernel_interface->add_policy(charon->kernel_interface, - this->other.addr, this->me.addr, other_ts, my_ts, POLICY_IN, - this->protocol, this->reqid, high_prio, mode, this->ipcomp); + this->my_addr, this->other_addr, my_ts, other_ts, POLICY_OUT, + this->other_spi, this->protocol, this->reqid, mode, this->ipcomp, + this->other_cpi, routed); status |= charon->kernel_interface->add_policy(charon->kernel_interface, - this->other.addr, this->me.addr, other_ts, my_ts, POLICY_FWD, - this->protocol, this->reqid, high_prio, mode, this->ipcomp); + this->other_addr, this->my_addr, other_ts, my_ts, POLICY_IN, + this->my_spi, this->protocol, this->reqid, mode, this->ipcomp, + this->my_cpi, routed); + if (mode != MODE_TRANSPORT) + { + status |= charon->kernel_interface->add_policy(charon->kernel_interface, + this->other_addr, this->my_addr, other_ts, my_ts, POLICY_FWD, + this->my_spi, this->protocol, this->reqid, mode, this->ipcomp, + this->my_cpi, routed); + } if (status != SUCCESS) { - my_iter->destroy(my_iter); - other_iter->destroy(other_iter); - return status; + break; } - - /* store policy to delete/update them later */ - policy = malloc_thing(sa_policy_t); - policy->my_ts = my_ts->clone(my_ts); - policy->other_ts = other_ts->clone(other_ts); - this->policies->insert_last(this->policies, policy); - /* add to separate list to query them via get_*_traffic_selectors() */ - this->my_ts->insert_last(this->my_ts, policy->my_ts); - this->other_ts->insert_last(this->other_ts, policy->other_ts); } + enumerator->destroy(enumerator); } - my_iter->destroy(my_iter); - other_iter->destroy(other_iter); - /* switch to routed state if no SAD entry set up */ - if (this->state == CHILD_CREATED) + if (status == SUCCESS) { - this->state = CHILD_ROUTED; + /* switch to routed state if no SAD entry set up */ + if (this->state == CHILD_CREATED) + { + set_state(this, CHILD_ROUTED); + } + /* needed to update hosts */ + this->mode = mode; } - /* needed to update hosts */ - this->mode = mode; - return SUCCESS; + return status; } /** @@ -763,166 +652,143 @@ static status_t add_policies(private_child_sa_t *this, */ static linked_list_t *get_traffic_selectors(private_child_sa_t *this, bool local) { - if (local) - { - return this->my_ts; - } - return this->other_ts; -} - -/** - * Implementation of child_sa_t.get_use_time - */ -static status_t get_use_time(private_child_sa_t *this, bool inbound, time_t *use_time) -{ - iterator_t *iterator; - sa_policy_t *policy; - status_t status = FAILED; - - *use_time = UNDEFINED_TIME; - - iterator = this->policies->create_iterator(this->policies, TRUE); - while (iterator->iterate(iterator, (void**)&policy)) - { - if (inbound) - { - time_t in = UNDEFINED_TIME, fwd = UNDEFINED_TIME; - - status = charon->kernel_interface->query_policy( - charon->kernel_interface, - policy->other_ts, policy->my_ts, - POLICY_IN, (u_int32_t*)&in); - status |= charon->kernel_interface->query_policy( - charon->kernel_interface, - policy->other_ts, policy->my_ts, - POLICY_FWD, (u_int32_t*)&fwd); - *use_time = max(in, fwd); - } - else - { - status = charon->kernel_interface->query_policy( - charon->kernel_interface, - policy->my_ts, policy->other_ts, - POLICY_OUT, (u_int32_t*)use_time); - } - } - iterator->destroy(iterator); - return status; + return local ? this->my_ts : this->other_ts; } /** * Implementation of child_sa_t.update_hosts. */ static status_t update_hosts(private_child_sa_t *this, - host_t *me, host_t *other, bool encap) + host_t *me, host_t *other, host_t *vip, bool encap) { + child_sa_state_t old; + bool transport_proxy_mode; + /* anything changed at all? */ - if (me->equals(me, this->me.addr) && - other->equals(other, this->other.addr) && this->encap == encap) + if (me->equals(me, this->my_addr) && + other->equals(other, this->other_addr) && this->encap == encap) { return SUCCESS; } - /* run updown script to remove iptables rules */ - updown(this, FALSE); - - this->encap = encap; - - if (this->ipcomp != IPCOMP_NONE) - { - /* update our (initator) IPComp SA */ - charon->kernel_interface->update_sa(charon->kernel_interface, htonl(ntohs(this->me.cpi)), - IPPROTO_COMP, this->other.addr, this->me.addr, other, me, FALSE); - /* update his (responder) IPComp SA */ - charon->kernel_interface->update_sa(charon->kernel_interface, htonl(ntohs(this->other.cpi)), - IPPROTO_COMP, this->me.addr, this->other.addr, me, other, FALSE); - } - /* update our (initator) SA */ - charon->kernel_interface->update_sa(charon->kernel_interface, this->me.spi, - this->protocol, this->other.addr, this->me.addr, other, me, encap); - /* update his (responder) SA */ - charon->kernel_interface->update_sa(charon->kernel_interface, this->other.spi, - this->protocol, this->me.addr, this->other.addr, me, other, encap); + old = this->state; + set_state(this, CHILD_UPDATING); + transport_proxy_mode = this->config->use_proxy_mode(this->config) && + this->mode == MODE_TRANSPORT; - /* update policies */ - if (!me->ip_equals(me, this->me.addr) || - !other->ip_equals(other, this->other.addr)) + if (!transport_proxy_mode) { - iterator_t *iterator; - sa_policy_t *policy; - - /* always use high priorities, as hosts getting updated are INSTALLED */ - iterator = this->policies->create_iterator(this->policies, TRUE); - while (iterator->iterate(iterator, (void**)&policy)) + /* update our (initator) SA */ + if (this->my_spi) { - /* remove old policies first */ - charon->kernel_interface->del_policy(charon->kernel_interface, - policy->my_ts, policy->other_ts, POLICY_OUT); - charon->kernel_interface->del_policy(charon->kernel_interface, - policy->other_ts, policy->my_ts, POLICY_IN); - charon->kernel_interface->del_policy(charon->kernel_interface, - policy->other_ts, policy->my_ts, POLICY_FWD); - - /* check wether we have to update a "dynamic" traffic selector */ - if (!me->ip_equals(me, this->me.addr) && - policy->my_ts->is_host(policy->my_ts, this->me.addr)) + if (charon->kernel_interface->update_sa(charon->kernel_interface, + this->my_spi, this->protocol, + this->ipcomp != IPCOMP_NONE ? this->my_cpi : 0, + this->other_addr, this->my_addr, other, me, + this->encap, encap) == NOT_SUPPORTED) { - policy->my_ts->set_address(policy->my_ts, me); + return NOT_SUPPORTED; } - if (!other->ip_equals(other, this->other.addr) && - policy->other_ts->is_host(policy->other_ts, this->other.addr)) + } + + /* update his (responder) SA */ + if (this->other_spi) + { + if (charon->kernel_interface->update_sa(charon->kernel_interface, + this->other_spi, this->protocol, + this->ipcomp != IPCOMP_NONE ? this->other_cpi : 0, + this->my_addr, this->other_addr, me, other, + this->encap, encap) == NOT_SUPPORTED) { - policy->other_ts->set_address(policy->other_ts, other); + return NOT_SUPPORTED; } + } + } + + if (this->config->install_policy(this->config)) + { + /* update policies */ + if (!me->ip_equals(me, this->my_addr) || + !other->ip_equals(other, this->other_addr)) + { + enumerator_t *enumerator; + traffic_selector_t *my_ts, *other_ts; - /* we reinstall the virtual IP to handle interface romaing - * correctly */ - if (this->virtual_ip) + /* always use high priorities, as hosts getting updated are INSTALLED */ + enumerator = create_policy_enumerator(this); + while (enumerator->enumerate(enumerator, &my_ts, &other_ts)) { - charon->kernel_interface->del_ip(charon->kernel_interface, - this->virtual_ip); - charon->kernel_interface->add_ip(charon->kernel_interface, - this->virtual_ip, me); + /* remove old policies first */ + charon->kernel_interface->del_policy(charon->kernel_interface, + my_ts, other_ts, POLICY_OUT, FALSE); + charon->kernel_interface->del_policy(charon->kernel_interface, + other_ts, my_ts, POLICY_IN, FALSE); + if (this->mode != MODE_TRANSPORT) + { + charon->kernel_interface->del_policy(charon->kernel_interface, + other_ts, my_ts, POLICY_FWD, FALSE); + } + + /* check whether we have to update a "dynamic" traffic selector */ + if (!me->ip_equals(me, this->my_addr) && + my_ts->is_host(my_ts, this->my_addr)) + { + my_ts->set_address(my_ts, me); + } + if (!other->ip_equals(other, this->other_addr) && + other_ts->is_host(other_ts, this->other_addr)) + { + other_ts->set_address(other_ts, other); + } + + /* we reinstall the virtual IP to handle interface roaming + * correctly */ + if (vip) + { + charon->kernel_interface->del_ip(charon->kernel_interface, vip); + charon->kernel_interface->add_ip(charon->kernel_interface, vip, me); + } + + /* reinstall updated policies */ + charon->kernel_interface->add_policy(charon->kernel_interface, + me, other, my_ts, other_ts, POLICY_OUT, this->other_spi, + this->protocol, this->reqid, this->mode, this->ipcomp, + this->other_cpi, FALSE); + charon->kernel_interface->add_policy(charon->kernel_interface, + other, me, other_ts, my_ts, POLICY_IN, this->my_spi, + this->protocol, this->reqid, this->mode, this->ipcomp, + this->my_cpi, FALSE); + if (this->mode != MODE_TRANSPORT) + { + charon->kernel_interface->add_policy(charon->kernel_interface, + other, me, other_ts, my_ts, POLICY_FWD, this->my_spi, + this->protocol, this->reqid, this->mode, this->ipcomp, + this->my_cpi, FALSE); + } } - - /* reinstall updated policies */ - charon->kernel_interface->add_policy(charon->kernel_interface, - me, other, policy->my_ts, policy->other_ts, POLICY_OUT, - this->protocol, this->reqid, TRUE, this->mode, this->ipcomp); - charon->kernel_interface->add_policy(charon->kernel_interface, - other, me, policy->other_ts, policy->my_ts, POLICY_IN, - this->protocol, this->reqid, TRUE, this->mode, this->ipcomp); - charon->kernel_interface->add_policy(charon->kernel_interface, - other, me, policy->other_ts, policy->my_ts, POLICY_FWD, - this->protocol, this->reqid, TRUE, this->mode, this->ipcomp); + enumerator->destroy(enumerator); } - iterator->destroy(iterator); } - /* apply hosts */ - if (!me->equals(me, this->me.addr)) + if (!transport_proxy_mode) { - this->me.addr->destroy(this->me.addr); - this->me.addr = me->clone(me); - } - if (!other->equals(other, this->other.addr)) - { - this->other.addr->destroy(this->other.addr); - this->other.addr = other->clone(other); + /* apply hosts */ + if (!me->equals(me, this->my_addr)) + { + this->my_addr->destroy(this->my_addr); + this->my_addr = me->clone(me); + } + if (!other->equals(other, this->other_addr)) + { + this->other_addr->destroy(this->other_addr); + this->other_addr = other->clone(other); + } } - - /* install new iptables rules */ - updown(this, TRUE); - - return SUCCESS; -} -/** - * Implementation of child_sa_t.set_virtual_ip. - */ -static void set_virtual_ip(private_child_sa_t *this, host_t *ip) -{ - this->virtual_ip = ip->clone(ip); + this->encap = encap; + set_state(this, old); + + return SUCCESS; } /** @@ -932,7 +798,7 @@ static void activate_ipcomp(private_child_sa_t *this, ipcomp_transform_t ipcomp, u_int16_t other_cpi) { this->ipcomp = ipcomp; - this->other.cpi = other_cpi; + this->other_cpi = other_cpi; } /** @@ -943,10 +809,10 @@ static u_int16_t allocate_cpi(private_child_sa_t *this) if (!this->cpi_allocated) { charon->kernel_interface->get_cpi(charon->kernel_interface, - this->other.addr, this->me.addr, this->reqid, &this->me.cpi); + this->other_addr, this->my_addr, this->reqid, &this->my_cpi); this->cpi_allocated = TRUE; } - return this->me.cpi; + return this->my_cpi; } /** @@ -954,75 +820,61 @@ static u_int16_t allocate_cpi(private_child_sa_t *this) */ static void destroy(private_child_sa_t *this) { - sa_policy_t *policy; + enumerator_t *enumerator; + traffic_selector_t *my_ts, *other_ts; + bool unrouted = (this->state == CHILD_ROUTED); - if (this->state == CHILD_DELETING || this->state == CHILD_INSTALLED) - { - updown(this, FALSE); - } + set_state(this, CHILD_DESTROYING); /* delete SAs in the kernel, if they are set up */ - if (this->me.spi) - { - charon->kernel_interface->del_sa(charon->kernel_interface, - this->me.addr, this->me.spi, this->protocol); - } - if (this->alloc_esp_spi && this->alloc_esp_spi != this->me.spi) + if (this->my_spi) { charon->kernel_interface->del_sa(charon->kernel_interface, - this->me.addr, this->alloc_esp_spi, PROTO_ESP); + this->my_addr, this->my_spi, this->protocol, + this->my_cpi); } - if (this->alloc_ah_spi && this->alloc_ah_spi != this->me.spi) + if (this->alloc_esp_spi && this->alloc_esp_spi != this->my_spi) { charon->kernel_interface->del_sa(charon->kernel_interface, - this->me.addr, this->alloc_ah_spi, PROTO_AH); + this->my_addr, this->alloc_esp_spi, PROTO_ESP, 0); } - if (this->other.spi) + if (this->alloc_ah_spi && this->alloc_ah_spi != this->my_spi) { charon->kernel_interface->del_sa(charon->kernel_interface, - this->other.addr, this->other.spi, this->protocol); + this->my_addr, this->alloc_ah_spi, PROTO_AH, 0); } - if (this->me.cpi) + if (this->other_spi) { charon->kernel_interface->del_sa(charon->kernel_interface, - this->me.addr, htonl(ntohs(this->me.cpi)), IPPROTO_COMP); - } - if (this->other.cpi) - { - charon->kernel_interface->del_sa(charon->kernel_interface, - this->other.addr, htonl(ntohs(this->other.cpi)), IPPROTO_COMP); + this->other_addr, this->other_spi, this->protocol, + this->other_cpi); } - /* delete all policies in the kernel */ - while (this->policies->remove_last(this->policies, (void**)&policy) == SUCCESS) + if (this->config->install_policy(this->config)) { - /* let rekeyed policies, as they are used by another child_sa */ - charon->kernel_interface->del_policy(charon->kernel_interface, - policy->my_ts, policy->other_ts, - POLICY_OUT); - - charon->kernel_interface->del_policy(charon->kernel_interface, - policy->other_ts, policy->my_ts, - POLICY_IN); - - charon->kernel_interface->del_policy(charon->kernel_interface, - policy->other_ts, policy->my_ts, - POLICY_FWD); - policy->my_ts->destroy(policy->my_ts); - policy->other_ts->destroy(policy->other_ts); - free(policy); + /* delete all policies in the kernel */ + enumerator = create_policy_enumerator(this); + while (enumerator->enumerate(enumerator, &my_ts, &other_ts)) + { + charon->kernel_interface->del_policy(charon->kernel_interface, + my_ts, other_ts, POLICY_OUT, unrouted); + charon->kernel_interface->del_policy(charon->kernel_interface, + other_ts, my_ts, POLICY_IN, unrouted); + if (this->mode != MODE_TRANSPORT) + { + charon->kernel_interface->del_policy(charon->kernel_interface, + other_ts, my_ts, POLICY_FWD, unrouted); + } + } + enumerator->destroy(enumerator); } - this->policies->destroy(this->policies); - this->my_ts->destroy(this->my_ts); - this->other_ts->destroy(this->other_ts); - this->me.addr->destroy(this->me.addr); - this->other.addr->destroy(this->other.addr); - this->me.id->destroy(this->me.id); - this->other.id->destroy(this->other.id); + this->my_ts->destroy_offset(this->my_ts, offsetof(traffic_selector_t, destroy)); + this->other_ts->destroy_offset(this->other_ts, offsetof(traffic_selector_t, destroy)); + this->my_addr->destroy(this->my_addr); + this->other_addr->destroy(this->other_addr); + DESTROY_IF(this->proposal); this->config->destroy(this->config); - free(this->iface); - DESTROY_IF(this->virtual_ip); free(this); } @@ -1030,7 +882,6 @@ static void destroy(private_child_sa_t *this) * Described in header. */ child_sa_t * child_sa_create(host_t *me, host_t* other, - identification_t *my_id, identification_t *other_id, child_cfg_t *config, u_int32_t rekey, bool encap) { static u_int32_t reqid = 0; @@ -1042,31 +893,33 @@ child_sa_t * child_sa_create(host_t *me, host_t* other, this->public.get_spi = (u_int32_t(*)(child_sa_t*, bool))get_spi; this->public.get_cpi = (u_int16_t(*)(child_sa_t*, bool))get_cpi; this->public.get_protocol = (protocol_id_t(*)(child_sa_t*))get_protocol; - this->public.get_stats = (void(*)(child_sa_t*, ipsec_mode_t*,encryption_algorithm_t*,size_t*,integrity_algorithm_t*,size_t*,u_int32_t*,u_int32_t*,u_int32_t*,u_int32_t*))get_stats; + this->public.get_mode = (ipsec_mode_t(*)(child_sa_t*))get_mode; + this->public.get_ipcomp = (ipcomp_transform_t(*)(child_sa_t*))get_ipcomp; + this->public.has_encap = (bool(*)(child_sa_t*))has_encap; + this->public.get_lifetime = (u_int32_t(*)(child_sa_t*, bool))get_lifetime; + this->public.get_usetime = (u_int32_t(*)(child_sa_t*, bool))get_usetime; this->public.alloc = (status_t(*)(child_sa_t*,linked_list_t*))alloc; - this->public.add = (status_t(*)(child_sa_t*,proposal_t*,ipsec_mode_t,prf_plus_t*))add; - this->public.update = (status_t(*)(child_sa_t*,proposal_t*,ipsec_mode_t,prf_plus_t*))update; - this->public.update_hosts = (status_t (*)(child_sa_t*,host_t*,host_t*,bool))update_hosts; + this->public.add = (status_t(*)(child_sa_t*,proposal_t*,ipsec_mode_t,chunk_t,chunk_t,chunk_t,chunk_t))add; + this->public.update = (status_t(*)(child_sa_t*,proposal_t*,ipsec_mode_t,chunk_t,chunk_t,chunk_t,chunk_t))update; + this->public.get_proposal = (proposal_t*(*)(child_sa_t*))get_proposal; + this->public.update_hosts = (status_t (*)(child_sa_t*,host_t*,host_t*,host_t*,bool))update_hosts; this->public.add_policies = (status_t (*)(child_sa_t*, linked_list_t*,linked_list_t*,ipsec_mode_t,protocol_id_t))add_policies; this->public.get_traffic_selectors = (linked_list_t*(*)(child_sa_t*,bool))get_traffic_selectors; - this->public.get_use_time = (status_t (*)(child_sa_t*,bool,time_t*))get_use_time; + this->public.create_policy_enumerator = (enumerator_t*(*)(child_sa_t*))create_policy_enumerator; this->public.set_state = (void(*)(child_sa_t*,child_sa_state_t))set_state; this->public.get_state = (child_sa_state_t(*)(child_sa_t*))get_state; this->public.get_config = (child_cfg_t*(*)(child_sa_t*))get_config; this->public.activate_ipcomp = (void(*)(child_sa_t*,ipcomp_transform_t,u_int16_t))activate_ipcomp; this->public.allocate_cpi = (u_int16_t(*)(child_sa_t*))allocate_cpi; - this->public.set_virtual_ip = (void(*)(child_sa_t*,host_t*))set_virtual_ip; this->public.destroy = (void(*)(child_sa_t*))destroy; /* private data */ - this->me.addr = me->clone(me); - this->other.addr = other->clone(other); - this->me.id = my_id->clone(my_id); - this->other.id = other_id->clone(other_id); - this->me.spi = 0; - this->me.cpi = 0; - this->other.spi = 0; - this->other.cpi = 0; + this->my_addr = me->clone(me); + this->other_addr = other->clone(other); + this->my_spi = 0; + this->my_cpi = 0; + this->other_spi = 0; + this->other_cpi = 0; this->alloc_ah_spi = 0; this->alloc_esp_spi = 0; this->encap = encap; @@ -1075,19 +928,70 @@ child_sa_t * child_sa_create(host_t *me, host_t* other, this->state = CHILD_CREATED; /* reuse old reqid if we are rekeying an existing CHILD_SA */ this->reqid = rekey ? rekey : ++reqid; - this->enc_alg = ENCR_UNDEFINED; - this->enc_size = 0; - this->int_alg = AUTH_UNDEFINED; - this->int_size = 0; - this->policies = linked_list_create(); this->my_ts = linked_list_create(); this->other_ts = linked_list_create(); this->protocol = PROTO_NONE; this->mode = MODE_TUNNEL; - this->virtual_ip = NULL; - this->iface = NULL; + this->proposal = NULL; this->config = config; config->get_ref(config); + + /* MIPv6 proxy transport mode sets SA endpoints to TS hosts */ + if (config->get_mode(config) == MODE_TRANSPORT && + config->use_proxy_mode(config)) + { + ts_type_t type; + int family; + chunk_t addr; + host_t *host; + enumerator_t *enumerator; + linked_list_t *my_ts_list, *other_ts_list; + traffic_selector_t *my_ts, *other_ts; + + this->mode = MODE_TRANSPORT; + + my_ts_list = config->get_traffic_selectors(config, TRUE, NULL, me); + enumerator = my_ts_list->create_enumerator(my_ts_list); + if (enumerator->enumerate(enumerator, &my_ts)) + { + if (my_ts->is_host(my_ts, NULL) && + !my_ts->is_host(my_ts, this->my_addr)) + { + type = my_ts->get_type(my_ts); + family = (type == TS_IPV4_ADDR_RANGE) ? AF_INET : AF_INET6; + addr = my_ts->get_from_address(my_ts); + host = host_create_from_chunk(family, addr, 0); + free(addr.ptr); + DBG1(DBG_CHD, "my address: %H is a transport mode proxy for %H", + this->my_addr, host); + this->my_addr->destroy(this->my_addr); + this->my_addr = host; + } + } + enumerator->destroy(enumerator); + my_ts_list->destroy_offset(my_ts_list, offsetof(traffic_selector_t, destroy)); + + other_ts_list = config->get_traffic_selectors(config, FALSE, NULL, other); + enumerator = other_ts_list->create_enumerator(other_ts_list); + if (enumerator->enumerate(enumerator, &other_ts)) + { + if (other_ts->is_host(other_ts, NULL) && + !other_ts->is_host(other_ts, this->other_addr)) + { + type = other_ts->get_type(other_ts); + family = (type == TS_IPV4_ADDR_RANGE) ? AF_INET : AF_INET6; + addr = other_ts->get_from_address(other_ts); + host = host_create_from_chunk(family, addr, 0); + free(addr.ptr); + DBG1(DBG_CHD, "other address: %H is a transport mode proxy for %H", + this->other_addr, host); + this->other_addr->destroy(this->other_addr); + this->other_addr = host; + } + } + enumerator->destroy(enumerator); + other_ts_list->destroy_offset(other_ts_list, offsetof(traffic_selector_t, destroy)); + } return &this->public; } diff --git a/src/charon/sa/child_sa.h b/src/charon/sa/child_sa.h index 2f7961e03..7109de5cd 100644 --- a/src/charon/sa/child_sa.h +++ b/src/charon/sa/child_sa.h @@ -14,7 +14,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: child_sa.h 4358 2008-09-25 13:56:23Z tobias $ + * $Id: child_sa.h 4618 2008-11-11 09:22:00Z tobias $ */ /** @@ -50,11 +50,21 @@ enum child_sa_state_t { CHILD_ROUTED, /** + * Installing an in-use CHILD_SA + */ + CHILD_INSTALLING, + + /** * Installed an in-use CHILD_SA */ CHILD_INSTALLED, /** + * While updating hosts, in update_hosts() + */ + CHILD_UPDATING, + + /** * CHILD_SA which is rekeying */ CHILD_REKEYING, @@ -63,6 +73,11 @@ enum child_sa_state_t { * CHILD_SA in progress of delete */ CHILD_DELETING, + + /** + * CHILD_SA object gets destroyed + */ + CHILD_DESTROYING, }; /** @@ -138,23 +153,41 @@ struct child_sa_t { protocol_id_t (*get_protocol) (child_sa_t *this); /** - * Get info and statistics about this CHILD_SA. + * Get the IPsec mode of this CHILD_SA. + * + * @return TUNNEL | TRANSPORT | BEET + */ + ipsec_mode_t (*get_mode)(child_sa_t *this); + + /** + * Get the used IPComp algorithm. + * + * @return IPComp compression algorithm. + */ + ipcomp_transform_t (*get_ipcomp)(child_sa_t *this); + + /** + * Check if this CHILD_SA uses UDP encapsulation. + * + * @return TRUE if SA encapsulates ESP packets + */ + bool (*has_encap)(child_sa_t *this); + + /** + * Get the lifetime of the CHILD_SA. * - * @param mode mode this IKE_SA uses - * @param encr_algo encryption algorithm used by this CHILD_SA. - * @param encr_len key length of the algorithm, if any - * @param int_algo integrity algorithm used by this CHILD_SA - * @param int_len key length of the algorithm, if any - * @param rekey time when rekeying is scheduled - * @param use_in time when last traffic was seen coming in - * @param use_out time when last traffic was seen going out - * @param use_fwd time when last traffic was getting forwarded + * @param hard TRUE for hard lifetime, FALSE for soft (rekey) lifetime + * @return lifetime in seconds */ - void (*get_stats)(child_sa_t *this, ipsec_mode_t *mode, - encryption_algorithm_t *encr, size_t *encr_len, - integrity_algorithm_t *int_algo, size_t *int_len, - u_int32_t *rekey, u_int32_t *use_in, u_int32_t *use_out, - u_int32_t *use_fwd); + u_int32_t (*get_lifetime)(child_sa_t *this, bool hard); + + /** + * Get last use time of the CHILD_SA. + * + * @param inbound TRUE for inbound traffic, FALSE for outbound + * @return time of last use in seconds + */ + u_int32_t (*get_usetime)(child_sa_t *this, bool inbound); /** * Allocate SPIs for given proposals. @@ -174,12 +207,15 @@ struct child_sa_t { * * @param proposal proposal for which SPIs are allocated * @param mode mode for the CHILD_SA - * @param prf_plus key material to use for key derivation + * @param integ_in integrity key for inbound traffic + * @param integ_out integrity key for outbound traffic + * @param encr_in encryption key for inbound traffic + * @param enc_out encryption key for outbound traffic * @return SUCCESS or FAILED */ status_t (*add)(child_sa_t *this, proposal_t *proposal, ipsec_mode_t mode, - prf_plus_t *prf_plus); - + chunk_t integ_in, chunk_t integ_out, + chunk_t encr_in, chunk_t encr_out); /** * Install the kernel SAs for a proposal, after SPIs have been allocated. * @@ -187,12 +223,22 @@ struct child_sa_t { * * @param proposal proposal for which SPIs are allocated * @param mode mode for the CHILD_SA - * @param prf_plus key material to use for key derivation + * @param integ_in integrity key for inbound traffic + * @param integ_out integrity key for outbound traffic + * @param encr_in encryption key for inbound traffic + * @param enc_out encryption key for outbound traffic * @return SUCCESS or FAILED */ status_t (*update)(child_sa_t *this, proposal_t *proposal, ipsec_mode_t mode, - prf_plus_t *prf_plus); - + chunk_t integ_in, chunk_t integ_out, + chunk_t encr_in, chunk_t encr_out); + /** + * Get the selected proposal passed to add()/update(). + * + * @return selected proposal + */ + proposal_t* (*get_proposal)(child_sa_t *this); + /** * Update the hosts in the kernel SAs and policies. * @@ -200,11 +246,12 @@ struct child_sa_t { * * @param me the new local host * @param other the new remote host + * @param vip virtual IP, if any * @param TRUE to use UDP encapsulation for NAT traversal * @return SUCCESS or FAILED */ status_t (*update_hosts)(child_sa_t *this, host_t *me, host_t *other, - bool encap); + host_t *vip, bool encap); /** * Install the policies using some traffic selectors. @@ -231,13 +278,11 @@ struct child_sa_t { linked_list_t* (*get_traffic_selectors) (child_sa_t *this, bool local); /** - * Get the time of this child_sa_t's last use (i.e. last use of any of its policies) - * - * @param inbound query for in- or outbound usage - * @param use_time the time - * @return SUCCESS or FAILED - */ - status_t (*get_use_time) (child_sa_t *this, bool inbound, time_t *use_time); + * Create an enumerator over installed policies. + * + * @return enumerator over pairs of traffic selectors. + */ + enumerator_t* (*create_policy_enumerator)(child_sa_t *this); /** * Get the state of the CHILD_SA. @@ -259,23 +304,13 @@ struct child_sa_t { child_cfg_t* (*get_config) (child_sa_t *this); /** - * Set the virtual IP used received from IRAS. - * - * To allow proper setup of firewall rules, the virtual IP is required - * for filtering. - * - * @param ip own virtual IP - */ - void (*set_virtual_ip) (child_sa_t *this, host_t *ip); - - /** * Activate IPComp by setting the transform ID and CPI values. * * @param ipcomp the IPComp transform to use * @param other_cpi other Compression Parameter Index */ void (*activate_ipcomp) (child_sa_t *this, ipcomp_transform_t ipcomp, - u_int16_t other_cpi); + u_int16_t other_cpi); /** * Returns the Compression Parameter Index (CPI) allocated from the kernel. @@ -293,17 +328,16 @@ struct child_sa_t { /** * Constructor to create a new child_sa_t. * - * @param me own address - * @param other remote address - * @param my_id id of own peer - * @param other_id id of remote peer - * @param config config to use for this CHILD_SA - * @param reqid reqid of old CHILD_SA when rekeying, 0 otherwise - * @param encap TRUE to enable UDP encapsulation (NAT traversal) - * @return child_sa_t object + * @param me own address + * @param other remote address + * @param my_id id of own peer + * @param other_id id of remote peer + * @param config config to use for this CHILD_SA + * @param reqid reqid of old CHILD_SA when rekeying, 0 otherwise + * @param encap TRUE to enable UDP encapsulation (NAT traversal) + * @return child_sa_t object */ -child_sa_t * child_sa_create(host_t *me, host_t *other, - identification_t *my_id, identification_t* other_id, - child_cfg_t *config, u_int32_t reqid, bool encap); +child_sa_t * child_sa_create(host_t *me, host_t *other, child_cfg_t *config, + u_int32_t reqid, bool encap); #endif /*CHILD_SA_H_ @} */ diff --git a/src/charon/sa/connect_manager.c b/src/charon/sa/connect_manager.c index d24ce8fc7..b9141ffc1 100644 --- a/src/charon/sa/connect_manager.c +++ b/src/charon/sa/connect_manager.c @@ -12,15 +12,15 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: connect_manager.c 4192 2008-07-18 15:51:40Z martin $ + * $Id: connect_manager.c 4579 2008-11-05 11:29:56Z martin $ */ #include "connect_manager.h" -#include <pthread.h> #include <math.h> #include <daemon.h> +#include <utils/mutex.h> #include <utils/linked_list.h> #include <crypto/hashers/hasher.h> @@ -59,7 +59,7 @@ struct private_connect_manager_t { /** * Lock for exclusivly accessing the manager. */ - pthread_mutex_t mutex; + mutex_t *mutex; /** * Hasher to generate signatures @@ -845,20 +845,20 @@ static job_requeue_t initiator_finish(callback_data_t *data) { private_connect_manager_t *this = data->connect_manager; - pthread_mutex_lock(&(this->mutex)); + this->mutex->lock(this->mutex); check_list_t *checklist; if (get_checklist_by_id(this, data->connect_id, &checklist) != SUCCESS) { DBG1(DBG_IKE, "checklist with id '%#B' not found, can't finish connectivity checks", &data->connect_id); - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); return JOB_REQUEUE_NONE; } finish_checks(this, checklist); - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); return JOB_REQUEUE_NONE; } @@ -929,14 +929,14 @@ static job_requeue_t retransmit(callback_data_t *data) { private_connect_manager_t *this = data->connect_manager; - pthread_mutex_lock(&(this->mutex)); + this->mutex->lock(this->mutex); check_list_t *checklist; if (get_checklist_by_id(this, data->connect_id, &checklist) != SUCCESS) { DBG1(DBG_IKE, "checklist with id '%#B' not found, can't retransmit connectivity check", &data->connect_id); - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); return JOB_REQUEUE_NONE; } @@ -980,7 +980,7 @@ retransmit_end: break; } - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); /* we reschedule it manually */ return JOB_REQUEUE_NONE; @@ -1078,14 +1078,14 @@ static job_requeue_t sender(callback_data_t *data) { private_connect_manager_t *this = data->connect_manager; - pthread_mutex_lock(&(this->mutex)); + this->mutex->lock(this->mutex); check_list_t *checklist; if (get_checklist_by_id(this, data->connect_id, &checklist) != SUCCESS) { DBG1(DBG_IKE, "checklist with id '%#B' not found, can't send connectivity check", &data->connect_id); - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); return JOB_REQUEUE_NONE; } @@ -1100,7 +1100,7 @@ static job_requeue_t sender(callback_data_t *data) if (checklist->pairs->find_first(checklist->pairs, (linked_list_match_t)match_waiting_pair, (void**)&pair) != SUCCESS) { - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); DBG1(DBG_IKE, "no pairs in waiting state, aborting"); return JOB_REQUEUE_NONE; } @@ -1126,7 +1126,7 @@ static job_requeue_t sender(callback_data_t *data) /* schedule this job again */ schedule_checks(this, checklist, ME_INTERVAL); - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); /* we reschedule it manually */ return JOB_REQUEUE_NONE; @@ -1160,7 +1160,7 @@ static job_requeue_t initiate_mediated(initiate_data_t *data) ike_sa_t *sa = charon->ike_sa_manager->checkout(charon->ike_sa_manager, waiting_sa); if (sa->initiate_mediated(sa, pair->local, pair->remote, checklist->connect_id) != SUCCESS) { - SIG_IKE(UP_FAILED, "establishing the mediated connection failed"); + DBG1(DBG_IKE, "establishing mediated connection failed"); charon->ike_sa_manager->checkin_and_destroy(charon->ike_sa_manager, sa); } charon->ike_sa_manager->checkin(charon->ike_sa_manager, sa); @@ -1345,7 +1345,7 @@ static void process_check(private_connect_manager_t *this, message_t *message) return; } - pthread_mutex_lock(&(this->mutex)); + this->mutex->lock(this->mutex); check_list_t *checklist; if (get_checklist_by_id(this, check->connect_id, &checklist) != SUCCESS) @@ -1353,7 +1353,7 @@ static void process_check(private_connect_manager_t *this, message_t *message) DBG1(DBG_IKE, "checklist with id '%#B' not found", &check->connect_id); check_destroy(check); - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); return; } @@ -1363,7 +1363,7 @@ static void process_check(private_connect_manager_t *this, message_t *message) DBG1(DBG_IKE, "connectivity check verification failed"); check_destroy(check); chunk_free(&sig); - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); return; } chunk_free(&sig); @@ -1377,7 +1377,7 @@ static void process_check(private_connect_manager_t *this, message_t *message) process_response(this, check, checklist); } - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); check_destroy(check); } @@ -1392,7 +1392,7 @@ static bool check_and_register(private_connect_manager_t *this, initiated_t *initiated; bool already_there = TRUE; - pthread_mutex_lock(&(this->mutex)); + this->mutex->lock(this->mutex); if (get_initiated_by_ids(this, id, peer_id, &initiated) != SUCCESS) { @@ -1408,7 +1408,7 @@ static bool check_and_register(private_connect_manager_t *this, initiated->mediated->insert_last(initiated->mediated, mediated_sa->clone(mediated_sa)); } - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); return already_there; } @@ -1421,12 +1421,12 @@ static void check_and_initiate(private_connect_manager_t *this, ike_sa_id_t *med { initiated_t *initiated; - pthread_mutex_lock(&(this->mutex)); + this->mutex->lock(this->mutex); if (get_initiated_by_ids(this, id, peer_id, &initiated) != SUCCESS) { DBG2(DBG_IKE, "no waiting mediated connections with '%D'", peer_id); - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); return; } @@ -1439,7 +1439,7 @@ static void check_and_initiate(private_connect_manager_t *this, ike_sa_id_t *med } iterator->destroy(iterator); - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); } /** @@ -1451,20 +1451,20 @@ static status_t set_initiator_data(private_connect_manager_t *this, { check_list_t *checklist; - pthread_mutex_lock(&(this->mutex)); + this->mutex->lock(this->mutex); if (get_checklist_by_id(this, connect_id, NULL) == SUCCESS) { DBG1(DBG_IKE, "checklist with id '%#B' already exists, aborting", &connect_id); - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); return FAILED; } checklist = check_list_create(initiator, responder, connect_id, key, endpoints, is_initiator); this->checklists->insert_last(this->checklists, checklist); - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); return SUCCESS; } @@ -1477,13 +1477,13 @@ static status_t set_responder_data(private_connect_manager_t *this, { check_list_t *checklist; - pthread_mutex_lock(&(this->mutex)); + this->mutex->lock(this->mutex); if (get_checklist_by_id(this, connect_id, &checklist) != SUCCESS) { DBG1(DBG_IKE, "checklist with id '%#B' not found", &connect_id); - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); return NOT_FOUND; } @@ -1496,7 +1496,7 @@ static status_t set_responder_data(private_connect_manager_t *this, /* send the first check immediately */ schedule_checks(this, checklist, 0); - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); return SUCCESS; } @@ -1508,13 +1508,13 @@ static status_t stop_checks(private_connect_manager_t *this, chunk_t connect_id) { check_list_t *checklist; - pthread_mutex_lock(&(this->mutex)); + this->mutex->lock(this->mutex); if (get_checklist_by_id(this, connect_id, &checklist) != SUCCESS) { DBG1(DBG_IKE, "checklist with id '%#B' not found", &connect_id); - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); return NOT_FOUND; } @@ -1523,7 +1523,7 @@ static status_t stop_checks(private_connect_manager_t *this, chunk_t connect_id) remove_checklist(this, checklist); check_list_destroy(checklist); - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); return SUCCESS; } @@ -1533,14 +1533,14 @@ static status_t stop_checks(private_connect_manager_t *this, chunk_t connect_id) */ static void destroy(private_connect_manager_t *this) { - pthread_mutex_lock(&(this->mutex)); + this->mutex->lock(this->mutex); this->hasher->destroy(this->hasher); this->checklists->destroy_function(this->checklists, (void*)check_list_destroy); this->initiated->destroy_function(this->initiated, (void*)initiated_destroy); - pthread_mutex_unlock(&(this->mutex)); - pthread_mutex_destroy(&(this->mutex)); + this->mutex->unlock(this->mutex); + this->mutex->destroy(this->mutex); free(this); } @@ -1570,7 +1570,7 @@ connect_manager_t *connect_manager_create() this->checklists = linked_list_create(); this->initiated = linked_list_create(); - pthread_mutex_init(&(this->mutex), NULL); + this->mutex = mutex_create(MUTEX_DEFAULT); return (connect_manager_t*)this; } diff --git a/src/charon/sa/ike_sa.c b/src/charon/sa/ike_sa.c index 7b2608e07..d9bb01c60 100644 --- a/src/charon/sa/ike_sa.c +++ b/src/charon/sa/ike_sa.c @@ -1,7 +1,7 @@ /* * Copyright (C) 2006-2008 Tobias Brunner * Copyright (C) 2006 Daniel Roethlisberger - * Copyright (C) 2005-2006 Martin Willi + * Copyright (C) 2005-2008 Martin Willi * Copyright (C) 2005 Jan Hutter * Hochschule fuer Technik Rapperswil * @@ -15,7 +15,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: ike_sa.c 4394 2008-10-09 08:25:11Z martin $ + * $Id: ike_sa.c 4652 2008-11-14 08:38:53Z martin $ */ #include <sys/time.h> @@ -23,6 +23,7 @@ #include <printf.h> #include <sys/stat.h> #include <errno.h> +#include <time.h> #include "ike_sa.h" @@ -30,17 +31,6 @@ #include <daemon.h> #include <utils/linked_list.h> #include <utils/lexparser.h> -#include <crypto/diffie_hellman.h> -#include <crypto/prf_plus.h> -#include <crypto/crypters/crypter.h> -#include <crypto/hashers/hasher.h> -#include <encoding/payloads/sa_payload.h> -#include <encoding/payloads/nonce_payload.h> -#include <encoding/payloads/ke_payload.h> -#include <encoding/payloads/delete_payload.h> -#include <encoding/payloads/transform_substructure.h> -#include <encoding/payloads/transform_attribute.h> -#include <encoding/payloads/ts_payload.h> #include <sa/task_manager.h> #include <sa/tasks/ike_init.h> #include <sa/tasks/ike_natd.h> @@ -72,12 +62,13 @@ #define RESOLV_CONF "/etc/resolv.conf" #endif -ENUM(ike_sa_state_names, IKE_CREATED, IKE_DELETING, +ENUM(ike_sa_state_names, IKE_CREATED, IKE_DESTROYING, "CREATED", "CONNECTING", "ESTABLISHED", "REKEYING", "DELETING", + "DESTROYING", ); typedef struct private_ike_sa_t private_ike_sa_t; @@ -128,6 +119,11 @@ struct private_ike_sa_t { auth_info_t *other_auth; /** + * Selected IKE proposal + */ + proposal_t *proposal; + + /** * Juggles tasks to process messages */ task_manager_t *task_manager; @@ -190,49 +186,9 @@ struct private_ike_sa_t { linked_list_t *child_sas; /** - * String describing the selected IKE proposal - */ - char *selected_proposal; - - /** - * crypter for inbound traffic - */ - crypter_t *crypter_in; - - /** - * crypter for outbound traffic - */ - crypter_t *crypter_out; - - /** - * Signer for inbound traffic - */ - signer_t *signer_in; - - /** - * Signer for outbound traffic + * keymat of this IKE_SA */ - signer_t *signer_out; - - /** - * Multi purpose prf, set key, use it, forget it - */ - prf_t *prf; - - /** - * Prf function for derivating keymat child SAs - */ - prf_t *child_prf; - - /** - * Key to build outging authentication data (SKp) - */ - chunk_t skp_build; - - /** - * Key to verify incoming authentication data (SKp) - */ - chunk_t skp_verify; + keymat_t *keymat; /** * Virtual IP on local host, if any @@ -268,34 +224,26 @@ struct private_ike_sa_t { * NAT keep alive interval */ u_int32_t keepalive_interval; - + /** * Timestamps for this IKE_SA */ - struct { - /** last IKE message received */ - u_int32_t inbound; - /** last IKE message sent */ - u_int32_t outbound; - /** when IKE_SA became established */ - u_int32_t established; - /** when IKE_SA gets rekeyed */ - u_int32_t rekey; - /** when IKE_SA gets reauthenticated */ - u_int32_t reauth; - /** when IKE_SA gets deleted */ - u_int32_t delete; - } time; + u_int32_t stats[STAT_MAX]; /** * how many times we have retried so far (keyingtries) */ u_int32_t keyingtry; - + /** - * are we the initiator of this IKE_SA (rekeying does not affect this flag) + * local host address to be used for IKE, set via MIGRATE kernel message */ - bool ike_initiator; + host_t *local_host; + + /** + * remote host address to be used for IKE, set via MIGRATE kernel message + */ + host_t *remote_host; }; /** @@ -303,28 +251,26 @@ struct private_ike_sa_t { */ static time_t get_use_time(private_ike_sa_t* this, bool inbound) { - iterator_t *iterator; + enumerator_t *enumerator; child_sa_t *child_sa; - time_t latest = 0, use_time; - - iterator = this->child_sas->create_iterator(this->child_sas, TRUE); - while (iterator->iterate(iterator, (void**)&child_sa)) - { - if (child_sa->get_use_time(child_sa, inbound, &use_time) == SUCCESS) - { - latest = max(latest, use_time); - } - } - iterator->destroy(iterator); + time_t use_time; if (inbound) { - return max(this->time.inbound, latest); + use_time = this->stats[STAT_INBOUND]; } else { - return max(this->time.outbound, latest); + use_time = this->stats[STAT_OUTBOUND]; + } + enumerator = this->child_sas->create_enumerator(this->child_sas); + while (enumerator->enumerate(enumerator, &child_sa)) + { + use_time = max(use_time, child_sa->get_usetime(child_sa, inbound)); } + enumerator->destroy(enumerator); + + return use_time; } /** @@ -352,24 +298,9 @@ static char *get_name(private_ike_sa_t *this) */ static u_int32_t get_statistic(private_ike_sa_t *this, statistic_t kind) { - time_t now = time(NULL); - - switch (kind) + if (kind < STAT_MAX) { - case STAT_REKEY_TIME: - if (this->time.rekey > now) - { - return this->time.rekey - now; - } - break; - case STAT_REAUTH_TIME: - if (this->time.reauth > now) - { - return this->time.reauth - now; - } - break; - default: - break; + return this->stats[kind]; } return 0; } @@ -462,6 +393,23 @@ static auth_info_t* get_other_auth(private_ike_sa_t *this) } /** + * Implementation of ike_sa_t.get_proposal + */ +static proposal_t* get_proposal(private_ike_sa_t *this) +{ + return this->proposal; +} + +/** + * Implementation of ike_sa_t.set_proposal + */ +static void set_proposal(private_ike_sa_t *this, proposal_t *proposal) +{ + DESTROY_IF(this->proposal); + this->proposal = proposal->clone(proposal); +} + +/** * Implementation of ike_sa_t.send_keepalive */ static void send_keepalive(private_ike_sa_t *this) @@ -518,14 +466,6 @@ static void set_ike_cfg(private_ike_sa_t *this, ike_cfg_t *ike_cfg) } /** - * Implementation of ike_sa_t.is_ike_initiator - */ -static bool is_ike_initiator(private_ike_sa_t *this) -{ - return this->ike_initiator; -} - -/** * Implementation of ike_sa_t.enable_extension. */ static void enable_extension(private_ike_sa_t *this, ike_extension_t extension) @@ -687,47 +627,48 @@ static void set_state(private_ike_sa_t *this, ike_sa_state_t state) u_int32_t t; /* calculate rekey, reauth and lifetime */ - this->time.established = time(NULL); + this->stats[STAT_ESTABLISHED] = time(NULL); /* schedule rekeying if we have a time which is smaller than * an already scheduled rekeying */ t = this->peer_cfg->get_rekey_time(this->peer_cfg); - if (t && (this->time.rekey == 0 || - (this->time.rekey > t + this->time.established))) + if (t && (this->stats[STAT_REKEY] == 0 || + (this->stats[STAT_REKEY] > t + this->stats[STAT_ESTABLISHED]))) { - this->time.rekey = t + this->time.established; + this->stats[STAT_REKEY] = t + this->stats[STAT_ESTABLISHED]; job = (job_t*)rekey_ike_sa_job_create(this->ike_sa_id, FALSE); charon->scheduler->schedule_job(charon->scheduler, job, t * 1000); DBG1(DBG_IKE, "scheduling rekeying in %ds", t); } t = this->peer_cfg->get_reauth_time(this->peer_cfg); - if (t && (this->time.reauth == 0 || - (this->time.reauth > t + this->time.established))) + if (t && (this->stats[STAT_REAUTH] == 0 || + (this->stats[STAT_REAUTH] > t + this->stats[STAT_ESTABLISHED]))) { - this->time.reauth = t + this->time.established; + this->stats[STAT_REAUTH] = t + this->stats[STAT_ESTABLISHED]; job = (job_t*)rekey_ike_sa_job_create(this->ike_sa_id, TRUE); charon->scheduler->schedule_job(charon->scheduler, job, t * 1000); DBG1(DBG_IKE, "scheduling reauthentication in %ds", t); } t = this->peer_cfg->get_over_time(this->peer_cfg); - if (this->time.rekey || this->time.reauth) + if (this->stats[STAT_REKEY] || this->stats[STAT_REAUTH]) { - if (this->time.reauth == 0) + if (this->stats[STAT_REAUTH] == 0) { - this->time.delete = this->time.rekey; + this->stats[STAT_DELETE] = this->stats[STAT_REKEY]; } - else if (this->time.rekey == 0) + else if (this->stats[STAT_REKEY] == 0) { - this->time.delete = this->time.reauth; + this->stats[STAT_DELETE] = this->stats[STAT_REAUTH]; } else { - this->time.delete = min(this->time.rekey, this->time.reauth); + this->stats[STAT_DELETE] = min(this->stats[STAT_REKEY], + this->stats[STAT_REAUTH]); } - this->time.delete += t; - t = this->time.delete - this->time.established; + this->stats[STAT_DELETE] += t; + t = this->stats[STAT_DELETE] - this->stats[STAT_ESTABLISHED]; job = (job_t*)delete_ike_sa_job_create(this->ike_sa_id, TRUE); charon->scheduler->schedule_job(charon->scheduler, job, t * 1000); @@ -750,7 +691,7 @@ static void set_state(private_ike_sa_t *this, ike_sa_state_t state) default: break; } - + charon->bus->ike_state_change(charon->bus, &this->public, state); this->state = state; } @@ -771,6 +712,14 @@ static void reset(private_ike_sa_t *this) } /** + * Implementation of ike_sa_t.get_keymat + */ +static keymat_t* get_keymat(private_ike_sa_t *this) +{ + return this->keymat; +} + +/** * Implementation of ike_sa_t.set_virtual_ip */ static void set_virtual_ip(private_ike_sa_t *this, bool local, host_t *ip) @@ -925,8 +874,14 @@ static void update_hosts(private_ike_sa_t *this, host_t *me, host_t *other) iterator = this->child_sas->create_iterator(this->child_sas, TRUE); while (iterator->iterate(iterator, (void**)&child_sa)) { - child_sa->update_hosts(child_sa, this->my_host, this->other_host, - has_condition(this, COND_NAT_ANY)); + if (child_sa->update_hosts(child_sa, this->my_host, + this->other_host, this->my_virtual_ip, + has_condition(this, COND_NAT_ANY)) == NOT_SUPPORTED) + { + this->public.rekey_child_sa(&this->public, + child_sa->get_protocol(child_sa), + child_sa->get_spi(child_sa, TRUE)); + } } iterator->destroy(iterator); } @@ -938,9 +893,11 @@ static void update_hosts(private_ike_sa_t *this, host_t *me, host_t *other) static status_t generate_message(private_ike_sa_t *this, message_t *message, packet_t **packet) { - this->time.outbound = time(NULL); + this->stats[STAT_OUTBOUND] = time(NULL); message->set_ike_sa_id(message, this->ike_sa_id); - return message->generate(message, this->crypter_out, this->signer_out, packet); + return message->generate(message, + this->keymat->get_crypter(this->keymat, FALSE), + this->keymat->get_signer(this->keymat, FALSE), packet); } /** @@ -978,6 +935,17 @@ static void send_notify_response(private_ike_sa_t *this, message_t *request, response->destroy(response); } +/** + * Implementation of ike_sa_t.set_kmaddress. + */ +static void set_kmaddress(private_ike_sa_t *this, host_t *local, host_t *remote) +{ + DESTROY_IF(this->local_host); + DESTROY_IF(this->remote_host); + this->local_host = local->clone(local); + this->remote_host = remote->clone(remote); +} + #ifdef ME /** * Implementation of ike_sa_t.act_as_mediation_server. @@ -1082,26 +1050,42 @@ static void resolve_hosts(private_ike_sa_t *this) { host_t *host; - host = host_create_from_dns(this->ike_cfg->get_other_addr(this->ike_cfg), - 0, IKEV2_UDP_PORT); + if (this->remote_host) + { + host = this->remote_host->clone(this->remote_host); + host->set_port(host, IKEV2_UDP_PORT); + } + else + { + host = host_create_from_dns(this->ike_cfg->get_other_addr(this->ike_cfg), + 0, IKEV2_UDP_PORT); + } if (host) { set_other_host(this, host); } - host = host_create_from_dns(this->ike_cfg->get_my_addr(this->ike_cfg), - this->my_host->get_family(this->my_host), - IKEV2_UDP_PORT); - - if (host && host->is_anyaddr(host) && - !this->other_host->is_anyaddr(this->other_host)) + if (this->local_host) { - host->destroy(host); - host = charon->kernel_interface->get_source_addr( - charon->kernel_interface, this->other_host, NULL); - if (host) + host = this->local_host->clone(this->local_host); + host->set_port(host, IKEV2_UDP_PORT); + } + else + { + host = host_create_from_dns(this->ike_cfg->get_my_addr(this->ike_cfg), + this->my_host->get_family(this->my_host), + IKEV2_UDP_PORT); + + if (host && host->is_anyaddr(host) && + !this->other_host->is_anyaddr(this->other_host)) { - host->set_port(host, IKEV2_UDP_PORT); + host->destroy(host); + host = charon->kernel_interface->get_source_addr( + charon->kernel_interface, this->other_host, NULL); + if (host) + { + host->set_port(host, IKEV2_UDP_PORT); + } } } if (host) @@ -1128,12 +1112,11 @@ static status_t initiate_with_reqid(private_ike_sa_t *this, child_cfg_t *child_c ) { child_cfg->destroy(child_cfg); - SIG_IKE(UP_START, "initiating IKE_SA"); - SIG_IKE(UP_FAILED, "unable to initiate to %%any"); + DBG1(DBG_IKE, "unable to initiate to %%any"); return DESTROY_ME; } - this->ike_initiator = TRUE; + set_condition(this, COND_ORIGINAL_INITIATOR, TRUE); task = (task_t*)ike_init_create(&this->public, TRUE, NULL); this->task_manager->queue_task(this->task_manager, task); @@ -1163,10 +1146,12 @@ static status_t initiate_with_reqid(private_ike_sa_t *this, child_cfg_t *child_c #ifdef ME if (this->peer_cfg->is_mediation(this->peer_cfg)) { - /* mediation connection */ if (this->state == IKE_ESTABLISHED) - { /* FIXME: we should try to find a better solution to this */ - SIG_CHD(UP_SUCCESS, NULL, "mediation connection is already up and running"); + { + /* mediation connection is already established, retrigger state change + * to notify bus listeners */ + DBG1(DBG_IKE, "mediation connection is already up"); + set_state(this, IKE_ESTABLISHED); } DESTROY_IF(child_cfg); } @@ -1216,9 +1201,8 @@ static status_t acquire(private_ike_sa_t *this, u_int32_t reqid) if (this->state == IKE_DELETING) { - SIG_CHD(UP_START, NULL, "acquiring CHILD_SA on kernel request"); - SIG_CHD(UP_FAILED, NULL, "acquiring CHILD_SA {reqid %d} failed: " - "IKE_SA is deleting", reqid); + DBG1(DBG_IKE, "acquiring CHILD_SA {reqid %d} failed: " + "IKE_SA is deleting", reqid); return FAILED; } @@ -1235,9 +1219,8 @@ static status_t acquire(private_ike_sa_t *this, u_int32_t reqid) iterator->destroy(iterator); if (!child_sa) { - SIG_CHD(UP_START, NULL, "acquiring CHILD_SA on kernel request"); - SIG_CHD(UP_FAILED, NULL, "acquiring CHILD_SA {reqid %d} failed: " - "CHILD_SA not found", reqid); + DBG1(DBG_IKE, "acquiring CHILD_SA {reqid %d} failed: " + "CHILD_SA not found", reqid); return FAILED; } @@ -1258,8 +1241,6 @@ static status_t route(private_ike_sa_t *this, child_cfg_t *child_cfg) host_t *me, *other; status_t status; - SIG_CHD(ROUTE_START, NULL, "routing CHILD_SA"); - /* check if not already routed*/ iterator = this->child_sas->create_iterator(this->child_sas, TRUE); while (iterator->iterate(iterator, (void**)&child_sa)) @@ -1268,7 +1249,7 @@ static status_t route(private_ike_sa_t *this, child_cfg_t *child_cfg) streq(child_sa->get_name(child_sa), child_cfg->get_name(child_cfg))) { iterator->destroy(iterator); - SIG_CHD(ROUTE_FAILED, child_sa, "CHILD_SA with such a config already routed"); + DBG1(DBG_IKE, "routing CHILD_SA failed: already routed"); return FAILED; } } @@ -1278,8 +1259,8 @@ static status_t route(private_ike_sa_t *this, child_cfg_t *child_cfg) { case IKE_DELETING: case IKE_REKEYING: - SIG_CHD(ROUTE_FAILED, NULL, - "unable to route CHILD_SA, as its IKE_SA gets deleted"); + DBG1(DBG_IKE, "routing CHILD_SA failed: IKE_SA is %N", + ike_sa_state_names, this->state); return FAILED; case IKE_CREATED: case IKE_CONNECTING: @@ -1291,8 +1272,8 @@ static status_t route(private_ike_sa_t *this, child_cfg_t *child_cfg) resolve_hosts(this); /* install kernel policies */ - child_sa = child_sa_create(this->my_host, this->other_host, this->my_id, - this->other_id, child_cfg, 0, FALSE); + child_sa = child_sa_create(this->my_host, this->other_host, + child_cfg, 0, FALSE); me = this->my_host; if (this->my_virtual_ip) { @@ -1306,18 +1287,21 @@ static status_t route(private_ike_sa_t *this, child_cfg_t *child_cfg) my_ts = child_cfg->get_traffic_selectors(child_cfg, TRUE, NULL, me); other_ts = child_cfg->get_traffic_selectors(child_cfg, FALSE, NULL, other); + status = child_sa->add_policies(child_sa, my_ts, other_ts, - child_cfg->get_mode(child_cfg), PROTO_NONE); + child_cfg->get_mode(child_cfg), PROTO_NONE); + my_ts->destroy_offset(my_ts, offsetof(traffic_selector_t, destroy)); other_ts->destroy_offset(other_ts, offsetof(traffic_selector_t, destroy)); if (status == SUCCESS) { this->child_sas->insert_last(this->child_sas, child_sa); - SIG_CHD(ROUTE_SUCCESS, child_sa, "CHILD_SA routed"); + DBG1(DBG_IKE, "CHILD_SA routed"); } else { - SIG_CHD(ROUTE_FAILED, child_sa, "routing CHILD_SA failed"); + child_sa->destroy(child_sa); + DBG1(DBG_IKE, "routing CHILD_SA failed"); } return status; } @@ -1331,8 +1315,6 @@ static status_t unroute(private_ike_sa_t *this, u_int32_t reqid) child_sa_t *child_sa; bool found = FALSE; - SIG_CHD(UNROUTE_START, NULL, "unrouting CHILD_SA"); - /* find CHILD_SA in ROUTED state */ iterator = this->child_sas->create_iterator(this->child_sas, TRUE); while (iterator->iterate(iterator, (void**)&child_sa)) @@ -1341,7 +1323,7 @@ static status_t unroute(private_ike_sa_t *this, u_int32_t reqid) child_sa->get_reqid(child_sa) == reqid) { iterator->remove(iterator); - SIG_CHD(UNROUTE_SUCCESS, child_sa, "CHILD_SA unrouted"); + DBG1(DBG_IKE, "CHILD_SA unrouted"); child_sa->destroy(child_sa); found = TRUE; break; @@ -1351,7 +1333,7 @@ static status_t unroute(private_ike_sa_t *this, u_int32_t reqid) if (!found) { - SIG_CHD(UNROUTE_FAILED, NULL, "CHILD_SA to unroute not found"); + DBG1(DBG_IKE, "unrouting CHILD_SA failed: reqid %d not found", reqid); return FAILED; } /* if we are not established, and we have no more routed childs, remove whole SA */ @@ -1362,6 +1344,7 @@ static status_t unroute(private_ike_sa_t *this, u_int32_t reqid) } return SUCCESS; } + /** * Implementation of ike_sa_t.process_message. */ @@ -1372,7 +1355,9 @@ static status_t process_message(private_ike_sa_t *this, message_t *message) is_request = message->get_request(message); - status = message->parse_body(message, this->crypter_in, this->signer_in); + status = message->parse_body(message, + this->keymat->get_crypter(this->keymat, TRUE), + this->keymat->get_signer(this->keymat, TRUE)); if (status != SUCCESS) { @@ -1431,7 +1416,7 @@ static status_t process_message(private_ike_sa_t *this, message_t *message) me = message->get_destination(message); other = message->get_source(message); - + /* if this IKE_SA is virgin, we check for a config */ if (this->ike_cfg == NULL) { @@ -1451,7 +1436,7 @@ static status_t process_message(private_ike_sa_t *this, message_t *message) charon->scheduler->schedule_job(charon->scheduler, job, HALF_OPEN_IKE_SA_TIMEOUT); } - this->time.inbound = time(NULL); + this->stats[STAT_INBOUND] = time(NULL); /* check if message is trustworthy, and update host information */ if (this->state == IKE_CREATED || this->state == IKE_CONNECTING || message->get_exchange_type(message) != IKE_SA_INIT) @@ -1510,38 +1495,6 @@ static status_t process_message(private_ike_sa_t *this, message_t *message) } /** - * Implementation of ike_sa_t.get_prf. - */ -static prf_t *get_prf(private_ike_sa_t *this) -{ - return this->prf; -} - -/** - * Implementation of ike_sa_t.get_prf. - */ -static prf_t *get_child_prf(private_ike_sa_t *this) -{ - return this->child_prf; -} - -/** - * Implementation of ike_sa_t.get_skp_bild - */ -static chunk_t get_skp_build(private_ike_sa_t *this) -{ - return this->skp_build; -} - -/** - * Implementation of ike_sa_t.get_skp_verify - */ -static chunk_t get_skp_verify(private_ike_sa_t *this) -{ - return this->skp_verify; -} - -/** * Implementation of ike_sa_t.get_id. */ static ike_sa_id_t* get_id(private_ike_sa_t *this) @@ -1601,230 +1554,6 @@ static void set_eap_identity(private_ike_sa_t *this, identification_t *id) } /** - * Implementation of ike_sa_t.derive_keys. - */ -static status_t derive_keys(private_ike_sa_t *this, - proposal_t *proposal, chunk_t secret, - chunk_t nonce_i, chunk_t nonce_r, - bool initiator, prf_t *child_prf, prf_t *old_prf) -{ - prf_plus_t *prf_plus; - chunk_t skeyseed, key, full_nonce, fixed_nonce, prf_plus_seed; - u_int16_t alg, key_size; - crypter_t *crypter_i, *crypter_r; - signer_t *signer_i, *signer_r; - u_int8_t spi_i_buf[sizeof(u_int64_t)], spi_r_buf[sizeof(u_int64_t)]; - chunk_t spi_i = chunk_from_buf(spi_i_buf); - chunk_t spi_r = chunk_from_buf(spi_r_buf); - - /* Create SAs general purpose PRF first, we may use it here */ - if (!proposal->get_algorithm(proposal, PSEUDO_RANDOM_FUNCTION, &alg, NULL)) - { - DBG1(DBG_IKE, "no %N selected", - transform_type_names, PSEUDO_RANDOM_FUNCTION); - return FAILED; - } - this->prf = lib->crypto->create_prf(lib->crypto, alg); - if (this->prf == NULL) - { - DBG1(DBG_IKE, "%N %N not supported!", - transform_type_names, PSEUDO_RANDOM_FUNCTION, - pseudo_random_function_names, alg); - return FAILED; - } - DBG4(DBG_IKE, "shared Diffie Hellman secret %B", &secret); - /* full nonce is used as seed for PRF+ ... */ - full_nonce = chunk_cat("cc", nonce_i, nonce_r); - /* but the PRF may need a fixed key which only uses the first bytes of - * the nonces. */ - switch (alg) - { - case PRF_AES128_XCBC: - /* while rfc4434 defines variable keys for AES-XCBC, rfc3664 does - * not and therefore fixed key semantics apply to XCBC for key - * derivation. */ - nonce_i.len = min(nonce_i.len, this->prf->get_key_size(this->prf)/2); - nonce_r.len = min(nonce_r.len, this->prf->get_key_size(this->prf)/2); - break; - default: - /* all other algorithms use variable key length, full nonce */ - break; - } - fixed_nonce = chunk_cat("cc", nonce_i, nonce_r); - *((u_int64_t*)spi_i.ptr) = this->ike_sa_id->get_initiator_spi(this->ike_sa_id); - *((u_int64_t*)spi_r.ptr) = this->ike_sa_id->get_responder_spi(this->ike_sa_id); - prf_plus_seed = chunk_cat("ccc", full_nonce, spi_i, spi_r); - - /* KEYMAT = prf+ (SKEYSEED, Ni | Nr | SPIi | SPIr) - * - * if we are rekeying, SKEYSEED is built on another way - */ - if (child_prf == NULL) /* not rekeying */ - { - /* SKEYSEED = prf(Ni | Nr, g^ir) */ - this->prf->set_key(this->prf, fixed_nonce); - this->prf->allocate_bytes(this->prf, secret, &skeyseed); - DBG4(DBG_IKE, "SKEYSEED %B", &skeyseed); - this->prf->set_key(this->prf, skeyseed); - chunk_free(&skeyseed); - chunk_free(&secret); - prf_plus = prf_plus_create(this->prf, prf_plus_seed); - } - else - { - /* SKEYSEED = prf(SK_d (old), [g^ir (new)] | Ni | Nr) - * use OLD SAs PRF functions for both prf_plus and prf */ - secret = chunk_cat("mc", secret, full_nonce); - child_prf->allocate_bytes(child_prf, secret, &skeyseed); - DBG4(DBG_IKE, "SKEYSEED %B", &skeyseed); - old_prf->set_key(old_prf, skeyseed); - chunk_free(&skeyseed); - chunk_free(&secret); - prf_plus = prf_plus_create(old_prf, prf_plus_seed); - } - chunk_free(&full_nonce); - chunk_free(&fixed_nonce); - chunk_free(&prf_plus_seed); - - /* KEYMAT = SK_d | SK_ai | SK_ar | SK_ei | SK_er | SK_pi | SK_pr */ - - /* SK_d is used for generating CHILD_SA key mat => child_prf */ - proposal->get_algorithm(proposal, PSEUDO_RANDOM_FUNCTION, &alg, NULL); - this->child_prf = lib->crypto->create_prf(lib->crypto, alg); - key_size = this->child_prf->get_key_size(this->child_prf); - prf_plus->allocate_bytes(prf_plus, key_size, &key); - DBG4(DBG_IKE, "Sk_d secret %B", &key); - this->child_prf->set_key(this->child_prf, key); - chunk_free(&key); - - /* SK_ai/SK_ar used for integrity protection => signer_in/signer_out */ - if (!proposal->get_algorithm(proposal, INTEGRITY_ALGORITHM, &alg, NULL)) - { - DBG1(DBG_IKE, "no %N selected", - transform_type_names, INTEGRITY_ALGORITHM); - return FAILED; - } - signer_i = lib->crypto->create_signer(lib->crypto, alg); - signer_r = lib->crypto->create_signer(lib->crypto, alg); - if (signer_i == NULL || signer_r == NULL) - { - DBG1(DBG_IKE, "%N %N not supported!", - transform_type_names, INTEGRITY_ALGORITHM, - integrity_algorithm_names ,alg); - prf_plus->destroy(prf_plus); - return FAILED; - } - key_size = signer_i->get_key_size(signer_i); - - prf_plus->allocate_bytes(prf_plus, key_size, &key); - DBG4(DBG_IKE, "Sk_ai secret %B", &key); - signer_i->set_key(signer_i, key); - chunk_free(&key); - - prf_plus->allocate_bytes(prf_plus, key_size, &key); - DBG4(DBG_IKE, "Sk_ar secret %B", &key); - signer_r->set_key(signer_r, key); - chunk_free(&key); - - if (initiator) - { - this->signer_in = signer_r; - this->signer_out = signer_i; - } - else - { - this->signer_in = signer_i; - this->signer_out = signer_r; - } - - /* SK_ei/SK_er used for encryption => crypter_in/crypter_out */ - if (!proposal->get_algorithm(proposal, ENCRYPTION_ALGORITHM, &alg, &key_size)) - { - DBG1(DBG_IKE, "no %N selected", - transform_type_names, ENCRYPTION_ALGORITHM); - prf_plus->destroy(prf_plus); - return FAILED; - } - crypter_i = lib->crypto->create_crypter(lib->crypto, alg, key_size / 8); - crypter_r = lib->crypto->create_crypter(lib->crypto, alg, key_size / 8); - if (crypter_i == NULL || crypter_r == NULL) - { - DBG1(DBG_IKE, "%N %N (key size %d) not supported!", - transform_type_names, ENCRYPTION_ALGORITHM, - encryption_algorithm_names, alg, key_size); - prf_plus->destroy(prf_plus); - return FAILED; - } - key_size = crypter_i->get_key_size(crypter_i); - - prf_plus->allocate_bytes(prf_plus, key_size, &key); - DBG4(DBG_IKE, "Sk_ei secret %B", &key); - crypter_i->set_key(crypter_i, key); - chunk_free(&key); - - prf_plus->allocate_bytes(prf_plus, key_size, &key); - DBG4(DBG_IKE, "Sk_er secret %B", &key); - crypter_r->set_key(crypter_r, key); - chunk_free(&key); - - if (initiator) - { - this->crypter_in = crypter_r; - this->crypter_out = crypter_i; - } - else - { - this->crypter_in = crypter_i; - this->crypter_out = crypter_r; - } - - /* SK_pi/SK_pr used for authentication => stored for later */ - key_size = this->prf->get_key_size(this->prf); - prf_plus->allocate_bytes(prf_plus, key_size, &key); - DBG4(DBG_IKE, "Sk_pi secret %B", &key); - if (initiator) - { - this->skp_build = key; - } - else - { - this->skp_verify = key; - } - prf_plus->allocate_bytes(prf_plus, key_size, &key); - DBG4(DBG_IKE, "Sk_pr secret %B", &key); - if (initiator) - { - this->skp_verify = key; - } - else - { - this->skp_build = key; - } - - /* all done, prf_plus not needed anymore */ - prf_plus->destroy(prf_plus); - - return SUCCESS; -} - -/** - * Implementation of ike_sa_t.get_proposal. - */ -static char* get_proposal(private_ike_sa_t *this) -{ - return this->selected_proposal; -} - -/** - * Implementation of ike_sa_t.set_proposal. - */ -static void set_proposal(private_ike_sa_t *this, char *proposal) -{ - free(this->selected_proposal); - this->selected_proposal = strdup(proposal); -} - -/** * Implementation of ike_sa_t.add_child_sa. */ static void add_child_sa(private_ike_sa_t *this, child_sa_t *child_sa) @@ -1939,10 +1668,10 @@ static status_t delete_(private_ike_sa_t *this) this->task_manager->queue_task(this->task_manager, &ike_delete->task); return this->task_manager->initiate(this->task_manager); case IKE_CREATED: - SIG_IKE(DOWN_SUCCESS, "deleting unestablished IKE_SA"); + DBG1(DBG_IKE, "deleting unestablished IKE_SA"); break; default: - SIG_IKE(DOWN_SUCCESS, "destroying IKE_SA in state %N " + DBG1(DBG_IKE, "destroying IKE_SA in state %N " "without notification", ike_sa_state_names, this->state); break; } @@ -1972,7 +1701,7 @@ static status_t reauth(private_ike_sa_t *this) /* we can't reauthenticate as responder when we use EAP or virtual IPs. * If the peer does not support RFC4478, there is no way to keep the * IKE_SA up. */ - if (!this->ike_initiator) + if (!has_condition(this, COND_ORIGINAL_INITIATOR)) { DBG1(DBG_IKE, "initiator did not reauthenticate as requested"); if (this->other_virtual_ip != NULL || @@ -1985,7 +1714,8 @@ static status_t reauth(private_ike_sa_t *this) { time_t now = time(NULL); - DBG1(DBG_IKE, "IKE_SA will timeout in %#V", &now, &this->time.delete); + DBG1(DBG_IKE, "IKE_SA will timeout in %#V", + &now, &this->stats[STAT_DELETE]); return FAILED; } else @@ -2049,7 +1779,7 @@ static status_t reestablish(private_ike_sa_t *this) } /* check if we are able to reestablish this IKE_SA */ - if (!this->ike_initiator && + if (!has_condition(this, COND_ORIGINAL_INITIATOR) && (this->other_virtual_ip != NULL || has_condition(this, COND_EAP_AUTHENTICATED) #ifdef ME @@ -2133,7 +1863,7 @@ static status_t reestablish(private_ike_sa_t *this) */ static status_t retransmit(private_ike_sa_t *this, u_int32_t message_id) { - this->time.outbound = time(NULL); + this->stats[STAT_OUTBOUND] = time(NULL); if (this->task_manager->retransmit(this->task_manager, message_id) != SUCCESS) { /* send a proper signal to brief interested bus listeners */ @@ -2146,19 +1876,19 @@ static status_t retransmit(private_ike_sa_t *this, u_int32_t message_id) this->keyingtry++; if (tries == 0 || tries > this->keyingtry) { - SIG_IKE(UP_FAILED, "peer not responding, trying again " - "(%d/%d) in background ", this->keyingtry + 1, tries); + DBG1(DBG_IKE, "peer not responding, trying again (%d/%d)", + this->keyingtry + 1, tries); reset(this); return this->task_manager->initiate(this->task_manager); } - SIG_IKE(UP_FAILED, "establishing IKE_SA failed, peer not responding"); + DBG1(DBG_IKE, "establishing IKE_SA failed, peer not responding"); break; } case IKE_DELETING: - SIG_IKE(DOWN_FAILED, "proper IKE_SA delete failed, peer not responding"); + DBG1(DBG_IKE, "proper IKE_SA delete failed, peer not responding"); break; case IKE_REKEYING: - SIG_IKE(REKEY_FAILED, "rekeying IKE_SA failed, peer not responding"); + DBG1(DBG_IKE, "rekeying IKE_SA failed, peer not responding"); /* FALL */ default: reestablish(this); @@ -2184,9 +1914,10 @@ static void set_auth_lifetime(private_ike_sa_t *this, u_int32_t lifetime) charon->processor->queue_job(charon->processor, (job_t*)rekey_ike_sa_job_create(this->ike_sa_id, TRUE)); } - else if (this->time.reauth == 0 || this->time.reauth > reauth_time) + else if (this->stats[STAT_REAUTH] == 0 || + this->stats[STAT_REAUTH] > reauth_time) { - this->time.reauth = reauth_time; + this->stats[STAT_REAUTH] = reauth_time; DBG1(DBG_IKE, "received AUTH_LIFETIME of %ds, scheduling reauthentication" " in %ds", lifetime, lifetime - reduction); charon->scheduler->schedule_job(charon->scheduler, @@ -2196,7 +1927,7 @@ static void set_auth_lifetime(private_ike_sa_t *this, u_int32_t lifetime) else { DBG1(DBG_IKE, "received AUTH_LIFETIME of %ds, reauthentication already " - "scheduled in %ds", lifetime, this->time.reauth - time(NULL)); + "scheduled in %ds", lifetime, this->stats[STAT_REAUTH] - time(NULL)); } } @@ -2275,7 +2006,6 @@ static status_t inherit(private_ike_sa_t *this, private_ike_sa_t *other) this->other_host = other->other_host->clone(other->other_host); this->my_id = other->my_id->clone(other->my_id); this->other_id = other->other_id->clone(other->other_id); - this->ike_initiator = other->ike_initiator; /* apply virtual assigned IPs... */ if (other->my_virtual_ip) @@ -2296,7 +2026,7 @@ static status_t inherit(private_ike_sa_t *this, private_ike_sa_t *other) this->dns_servers->insert_first(this->dns_servers, ip); } - /* inherit NAT-T conditions */ + /* inherit all conditions */ this->conditions = other->conditions; if (this->conditions & COND_NAT_HERE) { @@ -2326,14 +2056,14 @@ static status_t inherit(private_ike_sa_t *this, private_ike_sa_t *other) this->task_manager->adopt_tasks(this->task_manager, other->task_manager); /* reauthentication timeout survives a rekeying */ - if (other->time.reauth) + if (other->stats[STAT_REAUTH]) { time_t reauth, delete, now = time(NULL); - this->time.reauth = other->time.reauth; - reauth = this->time.reauth - now; + this->stats[STAT_REAUTH] = other->stats[STAT_REAUTH]; + reauth = this->stats[STAT_REAUTH] - now; delete = reauth + this->peer_cfg->get_over_time(this->peer_cfg); - this->time.delete = this->time.reauth + delete; + this->stats[STAT_DELETE] = this->stats[STAT_REAUTH] + delete; DBG1(DBG_IKE, "rescheduling reauthentication in %ds after rekeying, " "lifetime reduced to %ds", reauth, delete); charon->scheduler->schedule_job(charon->scheduler, @@ -2421,7 +2151,7 @@ static void remove_dns_servers(private_ike_sa_t *this) if (!found) { /* write line untouched back to file */ - fwrite(orig_line.ptr, orig_line.len, 1, file); + ignore_result(fwrite(orig_line.ptr, orig_line.len, 1, file)); fprintf(file, "\n"); } } @@ -2475,7 +2205,7 @@ static void add_dns_server(private_ike_sa_t *this, host_t *dns) { this->dns_servers->insert_last(this->dns_servers, dns->clone(dns)); } - fwrite(contents.ptr, contents.len, 1, file); + ignore_result(fwrite(contents.ptr, contents.len, 1, file)); fclose(file); } @@ -2485,19 +2215,17 @@ static void add_dns_server(private_ike_sa_t *this, host_t *dns) */ static void destroy(private_ike_sa_t *this) { + charon->bus->set_sa(charon->bus, &this->public); + + set_state(this, IKE_DESTROYING); + this->child_sas->destroy_offset(this->child_sas, offsetof(child_sa_t, destroy)); - this->task_manager->destroy(this->task_manager); + /* unset SA after here to avoid usage by the listeners */ + charon->bus->set_sa(charon->bus, NULL); - DESTROY_IF(this->crypter_in); - DESTROY_IF(this->crypter_out); - DESTROY_IF(this->signer_in); - DESTROY_IF(this->signer_out); - DESTROY_IF(this->prf); - DESTROY_IF(this->child_prf); - chunk_free(&this->skp_verify); - chunk_free(&this->skp_build); - free(this->selected_proposal); + this->task_manager->destroy(this->task_manager); + this->keymat->destroy(this->keymat); if (this->my_virtual_ip) { @@ -2535,12 +2263,15 @@ static void destroy(private_ike_sa_t *this) DESTROY_IF(this->other_host); DESTROY_IF(this->my_id); DESTROY_IF(this->other_id); + DESTROY_IF(this->local_host); + DESTROY_IF(this->remote_host); DESTROY_IF(this->eap_identity); DESTROY_IF(this->ike_cfg); DESTROY_IF(this->peer_cfg); DESTROY_IF(this->my_auth); DESTROY_IF(this->other_auth); + DESTROY_IF(this->proposal); this->ike_sa_id->destroy(this->ike_sa_id); free(this); @@ -2570,6 +2301,8 @@ ike_sa_t * ike_sa_create(ike_sa_id_t *ike_sa_id) this->public.set_peer_cfg = (void (*)(ike_sa_t*,peer_cfg_t*))set_peer_cfg; this->public.get_my_auth = (auth_info_t*(*)(ike_sa_t*))get_my_auth; this->public.get_other_auth = (auth_info_t*(*)(ike_sa_t*))get_other_auth; + this->public.get_proposal = (proposal_t*(*)(ike_sa_t*))get_proposal; + this->public.set_proposal = (void(*)(ike_sa_t*, proposal_t *proposal))set_proposal; this->public.get_id = (ike_sa_id_t* (*)(ike_sa_t*)) get_id; this->public.get_my_host = (host_t* (*)(ike_sa_t*)) get_my_host; this->public.set_my_host = (void (*)(ike_sa_t*,host_t*)) set_my_host; @@ -2588,7 +2321,6 @@ ike_sa_t * ike_sa_create(ike_sa_id_t *ike_sa_id) this->public.has_condition = (bool (*)(ike_sa_t*,ike_condition_t)) has_condition; this->public.set_pending_updates = (void(*)(ike_sa_t*, u_int32_t updates))set_pending_updates; this->public.get_pending_updates = (u_int32_t(*)(ike_sa_t*))get_pending_updates; - this->public.is_ike_initiator = (bool (*)(ike_sa_t*))is_ike_initiator; this->public.create_additional_address_iterator = (iterator_t*(*)(ike_sa_t*))create_additional_address_iterator; this->public.add_additional_address = (void(*)(ike_sa_t*, host_t *host))add_additional_address; this->public.has_mapping_changed = (bool(*)(ike_sa_t*, chunk_t hash))has_mapping_changed; @@ -2597,13 +2329,7 @@ ike_sa_t * ike_sa_create(ike_sa_id_t *ike_sa_id) this->public.destroy = (void (*)(ike_sa_t*))destroy; this->public.send_dpd = (status_t (*)(ike_sa_t*)) send_dpd; this->public.send_keepalive = (void (*)(ike_sa_t*)) send_keepalive; - this->public.get_prf = (prf_t* (*)(ike_sa_t*)) get_prf; - this->public.get_child_prf = (prf_t* (*)(ike_sa_t *)) get_child_prf; - this->public.get_skp_verify = (chunk_t (*)(ike_sa_t *)) get_skp_verify; - this->public.get_skp_build = (chunk_t (*)(ike_sa_t *)) get_skp_build; - this->public.derive_keys = (status_t (*)(ike_sa_t *,proposal_t*,chunk_t,chunk_t,chunk_t,bool,prf_t*,prf_t*)) derive_keys; - this->public.get_proposal = (char* (*)(ike_sa_t*)) get_proposal; - this->public.set_proposal = (void (*)(ike_sa_t*,char*)) set_proposal; + this->public.get_keymat = (keymat_t*(*)(ike_sa_t*))get_keymat; this->public.add_child_sa = (void (*)(ike_sa_t*,child_sa_t*)) add_child_sa; this->public.get_child_sa = (child_sa_t* (*)(ike_sa_t*,protocol_id_t,u_int32_t,bool)) get_child_sa; this->public.create_child_sa_iterator = (iterator_t* (*)(ike_sa_t*)) create_child_sa_iterator; @@ -2622,6 +2348,7 @@ ike_sa_t * ike_sa_create(ike_sa_id_t *ike_sa_id) this->public.set_virtual_ip = (void (*)(ike_sa_t*,bool,host_t*))set_virtual_ip; this->public.get_virtual_ip = (host_t* (*)(ike_sa_t*,bool))get_virtual_ip; this->public.add_dns_server = (void (*)(ike_sa_t*,host_t*))add_dns_server; + this->public.set_kmaddress = (void (*)(ike_sa_t*,host_t*,host_t*))set_kmaddress; #ifdef ME this->public.act_as_mediation_server = (void (*)(ike_sa_t*)) act_as_mediation_server; this->public.get_server_reflexive_host = (host_t* (*)(ike_sa_t*)) get_server_reflexive_host; @@ -2637,34 +2364,24 @@ ike_sa_t * ike_sa_create(ike_sa_id_t *ike_sa_id) /* initialize private fields */ this->ike_sa_id = ike_sa_id->clone(ike_sa_id); this->child_sas = linked_list_create(); - this->my_host = host_create_from_string("0.0.0.0", IKEV2_UDP_PORT); - this->other_host = host_create_from_string("0.0.0.0", IKEV2_UDP_PORT); + this->my_host = host_create_any(AF_INET); + this->other_host = host_create_any(AF_INET); this->my_id = identification_create_from_encoding(ID_ANY, chunk_empty); this->other_id = identification_create_from_encoding(ID_ANY, chunk_empty); this->eap_identity = NULL; this->extensions = 0; this->conditions = 0; - this->selected_proposal = NULL; - this->crypter_in = NULL; - this->crypter_out = NULL; - this->signer_in = NULL; - this->signer_out = NULL; - this->prf = NULL; - this->skp_verify = chunk_empty; - this->skp_build = chunk_empty; - this->child_prf = NULL; + this->keymat = keymat_create(ike_sa_id->is_initiator(ike_sa_id)); this->state = IKE_CREATED; this->keepalive_interval = lib->settings->get_time(lib->settings, "charon.keep_alive", KEEPALIVE_INTERVAL); - this->time.inbound = this->time.outbound = time(NULL); - this->time.established = 0; - this->time.rekey = 0; - this->time.reauth = 0; - this->time.delete = 0; + memset(this->stats, 0, sizeof(this->stats)); + this->stats[STAT_INBOUND] = this->stats[STAT_OUTBOUND] = time(NULL); this->ike_cfg = NULL; this->peer_cfg = NULL; this->my_auth = auth_info_create(); this->other_auth = auth_info_create(); + this->proposal = NULL; this->task_manager = task_manager_create(&this->public); this->unique_id = ++unique_id; this->my_virtual_ip = NULL; @@ -2674,7 +2391,8 @@ ike_sa_t * ike_sa_create(ike_sa_id_t *ike_sa_id) this->nat_detection_dest = chunk_empty; this->pending_updates = 0; this->keyingtry = 0; - this->ike_initiator = FALSE; + this->local_host = NULL; + this->remote_host = NULL; #ifdef ME this->is_mediation_server = FALSE; this->server_reflexive_host = NULL; diff --git a/src/charon/sa/ike_sa.h b/src/charon/sa/ike_sa.h index 717d41647..5aa458704 100644 --- a/src/charon/sa/ike_sa.h +++ b/src/charon/sa/ike_sa.h @@ -1,7 +1,7 @@ /* * Copyright (C) 2006-2008 Tobias Brunner * Copyright (C) 2006 Daniel Roethlisberger - * Copyright (C) 2005-2006 Martin Willi + * Copyright (C) 2005-2008 Martin Willi * Copyright (C) 2005 Jan Hutter * Hochschule fuer Technik Rapperswil * @@ -15,7 +15,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: ike_sa.h 4368 2008-10-06 13:37:04Z martin $ + * $Id: ike_sa.h 4640 2008-11-12 16:07:17Z martin $ */ /** @@ -38,9 +38,7 @@ typedef struct ike_sa_t ike_sa_t; #include <sa/ike_sa_id.h> #include <sa/child_sa.h> #include <sa/tasks/task.h> -#include <crypto/prfs/prf.h> -#include <crypto/crypters/crypter.h> -#include <crypto/signers/signer.h> +#include <sa/keymat.h> #include <config/peer_cfg.h> #include <config/ike_cfg.h> #include <credentials/auth_info.h> @@ -110,32 +108,41 @@ enum ike_condition_t { * Faking NAT to enforce UDP encapsulation */ COND_NAT_FAKE = (1<<3), - + /** * peer has ben authenticated using EAP */ COND_EAP_AUTHENTICATED = (1<<4), - + /** * received a certificate request from the peer */ COND_CERTREQ_SEEN = (1<<5), + + /** + * Local peer is the "original" IKE initiator. Unaffected from rekeying. + */ + COND_ORIGINAL_INITIATOR = (1<<6), }; /** - * Information and statistics to query from an SA + * Timing information and statistics to query from an SA */ enum statistic_t { - - /** - * Relative time for scheduled rekeying - */ - STAT_REKEY_TIME, - - /** - * Relative time for scheduled reauthentication - */ - STAT_REAUTH_TIME, + /** Timestamp of SA establishement */ + STAT_ESTABLISHED = 0, + /** Timestamp of scheudled rekeying */ + STAT_REKEY, + /** Timestamp of scheudled reauthentication */ + STAT_REAUTH, + /** Timestamp of scheudled delete */ + STAT_DELETE, + /** Timestamp of last inbound IKE packet */ + STAT_INBOUND, + /** Timestamp of last outbound IKE packet */ + STAT_OUTBOUND, + + STAT_MAX }; /** @@ -201,6 +208,11 @@ enum ike_sa_state_t { * IKE_SA is in progress of deletion */ IKE_DELETING, + + /** + * IKE_SA object gets destroyed + */ + IKE_DESTROYING, }; /** @@ -388,6 +400,20 @@ struct ike_sa_t { auth_info_t* (*get_other_auth)(ike_sa_t *this); /** + * Get the selected proposal of this IKE_SA. + * + * @return selected proposal + */ + proposal_t* (*get_proposal)(ike_sa_t *this); + + /** + * Set the proposal selected for this IKE_SA. + * + * @param selected proposal + */ + void (*set_proposal)(ike_sa_t *this, proposal_t *proposal); + + /** * Add an additional address for the peer. * * In MOBIKE, a peer may transmit additional addresses where it is @@ -462,13 +488,6 @@ struct ike_sa_t { */ void (*set_pending_updates)(ike_sa_t *this, u_int32_t updates); - /** - * Check if we are the original initiator of this IKE_SA (rekeying does not - * change this flag). - */ - bool (*is_ike_initiator)(ike_sa_t *this); - - #ifdef ME /** * Activate mediation server functionality for this IKE_SA. @@ -705,70 +724,13 @@ struct ike_sa_t { * was sent. */ void (*send_keepalive) (ike_sa_t *this); - - /** - * Derive all keys and create the transforms for IKE communication. - * - * Keys are derived using the diffie hellman secret, nonces and internal - * stored SPIs. - * Key derivation differs when an IKE_SA is set up to replace an - * existing IKE_SA (rekeying). The SK_d key from the old IKE_SA - * is included in the derivation process. - * - * @param proposal proposal which contains algorithms to use - * @param secret secret derived from DH exchange, gets freed - * @param nonce_i initiators nonce - * @param nonce_r responders nonce - * @param initiator TRUE if initiator, FALSE otherwise - * @param child_prf PRF with SK_d key when rekeying, NULL otherwise - * @param old_prf general purpose PRF of old SA when rekeying - */ - status_t (*derive_keys)(ike_sa_t *this, proposal_t* proposal, chunk_t secret, - chunk_t nonce_i, chunk_t nonce_r, - bool initiator, prf_t *child_prf, prf_t *old_prf); /** - * Get the selected IKE proposal string + * Get the keying material of this IKE_SA. * - * @return string describing the selected IKE proposal - */ - char* (*get_proposal)(ike_sa_t *this); - - /** - * Set the selected IKE proposal string for status information purposes - * (the "%P" printf format handler is used) - * - * @param proposal string describing the selected IKE proposal - */ - void (*set_proposal)(ike_sa_t *this, char *proposal); - - /** - * Get a multi purpose prf for the negotiated PRF function. - * - * @return pointer to prf_t object - */ - prf_t *(*get_prf) (ike_sa_t *this); - - /** - * Get the prf-object, which is used to derive keys for child SAs. - * - * @return pointer to prf_t object - */ - prf_t *(*get_child_prf) (ike_sa_t *this); - - /** - * Get the key to build outgoing authentication data. - * - * @return pointer to prf_t object - */ - chunk_t (*get_skp_build) (ike_sa_t *this); - - /** - * Get the key to verify incoming authentication data. - * - * @return pointer to prf_t object + * @return per IKE_SA keymat instance */ - chunk_t (*get_skp_verify) (ike_sa_t *this); + keymat_t* (*get_keymat)(ike_sa_t *this); /** * Associates a child SA to this IKE SA @@ -901,6 +863,17 @@ struct ike_sa_t { void (*add_dns_server) (ike_sa_t *this, host_t *dns); /** + * Set local and remote host addresses to be used for IKE. + * + * These addresses are communicated via the KMADDRESS field of a MIGRATE + * message sent via the NETLINK or PF _KEY kernel socket interface. + * + * @param local local kmaddress + * @param remote remote kmaddress + */ + void (*set_kmaddress) (ike_sa_t *this, host_t *local, host_t *remote); + + /** * Inherit all attributes of other to this after rekeying. * * When rekeying is completed, all CHILD_SAs, the virtual IP and all diff --git a/src/charon/sa/ike_sa_manager.c b/src/charon/sa/ike_sa_manager.c index bd7b84c6f..a760409c0 100644 --- a/src/charon/sa/ike_sa_manager.c +++ b/src/charon/sa/ike_sa_manager.c @@ -13,10 +13,9 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: ike_sa_manager.c 4234 2008-07-30 14:15:08Z martin $ + * $Id: ike_sa_manager.c 4579 2008-11-05 11:29:56Z martin $ */ -#include <pthread.h> #include <string.h> #include "ike_sa_manager.h" @@ -24,6 +23,7 @@ #include <daemon.h> #include <sa/ike_sa_id.h> #include <bus/bus.h> +#include <utils/mutex.h> #include <utils/linked_list.h> #include <crypto/hashers/hasher.h> @@ -42,7 +42,7 @@ struct entry_t { /** * Condvar where threads can wait until ike_sa_t object is free for use again. */ - pthread_cond_t condvar; + condvar_t *condvar; /** * Is this ike_sa currently checked out? @@ -107,6 +107,7 @@ static status_t entry_destroy(entry_t *this) DESTROY_IF(this->other); DESTROY_IF(this->my_id); DESTROY_IF(this->other_id); + this->condvar->destroy(this->condvar); free(this); return SUCCESS; } @@ -119,7 +120,7 @@ static entry_t *entry_create(ike_sa_id_t *ike_sa_id) entry_t *this = malloc_thing(entry_t); this->waiting_threads = 0; - pthread_cond_init(&this->condvar, NULL); + this->condvar = condvar_create(CONDVAR_DEFAULT); /* we set checkout flag when we really give it out */ this->checked_out = FALSE; @@ -155,7 +156,7 @@ struct private_ike_sa_manager_t { /** * Lock for exclusivly accessing the manager. */ - pthread_mutex_t mutex; + mutex_t *mutex; /** * Linked list with entries for the ike_sa_t objects. @@ -278,9 +279,9 @@ static status_t delete_entry(private_ike_sa_manager_t *this, entry_t *entry) while (entry->waiting_threads) { /* wake up all */ - pthread_cond_broadcast(&(entry->condvar)); + entry->condvar->broadcast(entry->condvar); /* they will wake us again when their work is done */ - pthread_cond_wait(&(entry->condvar), &(this->mutex)); + entry->condvar->wait(entry->condvar, this->mutex); } DBG2(DBG_MGR, "found entry by pointer, deleting it"); @@ -310,14 +311,14 @@ static bool wait_for_entry(private_ike_sa_manager_t *this, entry_t *entry) /* so wait until we can get it for us. * we register us as waiting. */ entry->waiting_threads++; - pthread_cond_wait(&(entry->condvar), &(this->mutex)); + entry->condvar->wait(entry->condvar, this->mutex); entry->waiting_threads--; } /* hm, a deletion request forbids us to get this SA, get next one */ if (entry->driveout_waiting_threads) { /* we must signal here, others may be waiting on it, too */ - pthread_cond_signal(&(entry->condvar)); + entry->condvar->signal(entry->condvar); return FALSE; } return TRUE; @@ -345,7 +346,7 @@ static ike_sa_t* checkout(private_ike_sa_manager_t *this, ike_sa_id_t *ike_sa_id DBG2(DBG_MGR, "checkout IKE_SA, %d IKE_SAs in manager", this->ike_sa_list->get_count(this->ike_sa_list)); - pthread_mutex_lock(&(this->mutex)); + this->mutex->lock(this->mutex); if (get_entry_by_id(this, ike_sa_id, &entry) == SUCCESS) { if (wait_for_entry(this, entry)) @@ -355,7 +356,7 @@ static ike_sa_t* checkout(private_ike_sa_manager_t *this, ike_sa_id_t *ike_sa_id ike_sa = entry->ike_sa; } } - pthread_mutex_unlock(&this->mutex); + this->mutex->unlock(this->mutex); charon->bus->set_sa(charon->bus, ike_sa); return ike_sa; } @@ -378,10 +379,10 @@ static ike_sa_t *checkout_new(private_ike_sa_manager_t* this, bool initiator) } entry = entry_create(id); id->destroy(id); - pthread_mutex_lock(&this->mutex); + this->mutex->lock(this->mutex); this->ike_sa_list->insert_last(this->ike_sa_list, entry); entry->checked_out = TRUE; - pthread_mutex_unlock(&this->mutex); + this->mutex->unlock(this->mutex); DBG2(DBG_MGR, "created IKE_SA, %d IKE_SAs in manager", this->ike_sa_list->get_count(this->ike_sa_list)); return entry->ike_sa; @@ -413,7 +414,7 @@ static ike_sa_t* checkout_by_message(private_ike_sa_manager_t* this, this->hasher->allocate_hash(this->hasher, data, &hash); chunk_free(&data); - pthread_mutex_lock(&this->mutex); + this->mutex->lock(this->mutex); enumerator = this->ike_sa_list->create_enumerator(this->ike_sa_list); while (enumerator->enumerate(enumerator, &entry)) { @@ -422,7 +423,7 @@ static ike_sa_t* checkout_by_message(private_ike_sa_manager_t* this, if (entry->message_id == 0) { enumerator->destroy(enumerator); - pthread_mutex_unlock(&this->mutex); + this->mutex->unlock(this->mutex); chunk_free(&hash); id->destroy(id); DBG1(DBG_MGR, "ignoring IKE_SA_INIT, already processing"); @@ -439,7 +440,7 @@ static ike_sa_t* checkout_by_message(private_ike_sa_manager_t* this, } } enumerator->destroy(enumerator); - pthread_mutex_unlock(&this->mutex); + this->mutex->unlock(this->mutex); if (ike_sa == NULL) { @@ -450,11 +451,11 @@ static ike_sa_t* checkout_by_message(private_ike_sa_manager_t* this, id->set_responder_spi(id, get_next_spi(this)); entry = entry_create(id); - pthread_mutex_lock(&this->mutex); + this->mutex->lock(this->mutex); this->ike_sa_list->insert_last(this->ike_sa_list, entry); entry->checked_out = TRUE; entry->message_id = message->get_message_id(message); - pthread_mutex_unlock(&this->mutex); + this->mutex->unlock(this->mutex); entry->init_hash = hash; ike_sa = entry->ike_sa; } @@ -473,7 +474,7 @@ static ike_sa_t* checkout_by_message(private_ike_sa_manager_t* this, return ike_sa; } - pthread_mutex_lock(&(this->mutex)); + this->mutex->lock(this->mutex); if (get_entry_by_id(this, id, &entry) == SUCCESS) { /* only check out if we are not processing this request */ @@ -496,7 +497,7 @@ static ike_sa_t* checkout_by_message(private_ike_sa_manager_t* this, ike_sa = entry->ike_sa; } } - pthread_mutex_unlock(&this->mutex); + this->mutex->unlock(this->mutex); id->destroy(id); charon->bus->set_sa(charon->bus, ike_sa); return ike_sa; @@ -521,7 +522,7 @@ static ike_sa_t* checkout_by_config(private_ike_sa_manager_t *this, my_host = host_create_from_dns(ike_cfg->get_my_addr(ike_cfg), 0, 0); other_host = host_create_from_dns(ike_cfg->get_other_addr(ike_cfg), 0, 0); - pthread_mutex_lock(&(this->mutex)); + this->mutex->lock(this->mutex); if (my_host && other_host && this->reuse_ikesa) { @@ -553,8 +554,9 @@ static ike_sa_t* checkout_by_config(private_ike_sa_manager_t *this, /* IKE_SA has no IDs yet, so we can't use it */ continue; } - DBG2(DBG_MGR, "candidate IKE_SA for \n\t" - "%H[%D]...%H[%D]\n\t%H[%D]...%H[%D]", + DBG2(DBG_MGR, "candidate IKE_SA for \n" + " %H[%D]...%H[%D]\n" + " %H[%D]...%H[%D]", my_host, my_id, other_host, other_id, found_my_host, found_my_id, found_other_host, found_other_id); /* compare ID and hosts. Supplied ID may contain wildcards, and IP @@ -603,7 +605,7 @@ static ike_sa_t* checkout_by_config(private_ike_sa_manager_t *this, new_entry->checked_out = TRUE; ike_sa = new_entry->ike_sa; } - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); charon->bus->set_sa(charon->bus, ike_sa); return ike_sa; } @@ -620,7 +622,7 @@ static ike_sa_t* checkout_by_id(private_ike_sa_manager_t *this, u_int32_t id, ike_sa_t *ike_sa = NULL; child_sa_t *child_sa; - pthread_mutex_lock(&(this->mutex)); + this->mutex->lock(this->mutex); enumerator = this->ike_sa_list->create_enumerator(this->ike_sa_list); while (enumerator->enumerate(enumerator, &entry)) @@ -657,7 +659,7 @@ static ike_sa_t* checkout_by_id(private_ike_sa_manager_t *this, u_int32_t id, } } enumerator->destroy(enumerator); - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); charon->bus->set_sa(charon->bus, ike_sa); return ike_sa; @@ -675,7 +677,7 @@ static ike_sa_t* checkout_by_name(private_ike_sa_manager_t *this, char *name, ike_sa_t *ike_sa = NULL; child_sa_t *child_sa; - pthread_mutex_lock(&(this->mutex)); + this->mutex->lock(this->mutex); enumerator = this->ike_sa_list->create_enumerator(this->ike_sa_list); while (enumerator->enumerate(enumerator, &entry)) @@ -712,7 +714,7 @@ static ike_sa_t* checkout_by_name(private_ike_sa_manager_t *this, char *name, } } enumerator->destroy(enumerator); - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); charon->bus->set_sa(charon->bus, ike_sa); return ike_sa; @@ -732,7 +734,7 @@ static ike_sa_t* checkout_duplicate(private_ike_sa_manager_t *this, me = ike_sa->get_my_id(ike_sa); other = ike_sa->get_other_id(ike_sa); - pthread_mutex_lock(&this->mutex); + this->mutex->lock(this->mutex); enumerator = this->ike_sa_list->create_enumerator(this->ike_sa_list); while (enumerator->enumerate(enumerator, &entry)) { @@ -755,7 +757,7 @@ static ike_sa_t* checkout_duplicate(private_ike_sa_manager_t *this, } } enumerator->destroy(enumerator); - pthread_mutex_unlock(&this->mutex); + this->mutex->unlock(this->mutex); return duplicate; } @@ -764,7 +766,7 @@ static ike_sa_t* checkout_duplicate(private_ike_sa_manager_t *this, */ static void enumerator_unlock(private_ike_sa_manager_t *this) { - pthread_mutex_unlock(&this->mutex); + this->mutex->unlock(this->mutex); } /** @@ -786,7 +788,7 @@ static bool enumerator_filter(private_ike_sa_manager_t *this, */ static enumerator_t *create_enumerator(private_ike_sa_manager_t* this) { - pthread_mutex_lock(&this->mutex); + this->mutex->lock(this->mutex); return enumerator_create_filter( this->ike_sa_list->create_enumerator(this->ike_sa_list), (void*)enumerator_filter, this, (void*)enumerator_unlock); @@ -812,7 +814,7 @@ static status_t checkin(private_ike_sa_manager_t *this, ike_sa_t *ike_sa) DBG2(DBG_MGR, "checkin IKE_SA"); - pthread_mutex_lock(&(this->mutex)); + this->mutex->lock(this->mutex); /* look for the entry */ if (get_entry_by_sa(this, ike_sa, &entry) == SUCCESS) @@ -845,7 +847,7 @@ static status_t checkin(private_ike_sa_manager_t *this, ike_sa_t *ike_sa) entry->other_id = other_id->clone(other_id); } DBG2(DBG_MGR, "check-in of IKE_SA successful."); - pthread_cond_signal(&(entry->condvar)); + entry->condvar->signal(entry->condvar); retval = SUCCESS; } else @@ -857,7 +859,7 @@ static status_t checkin(private_ike_sa_manager_t *this, ike_sa_t *ike_sa) DBG2(DBG_MGR, "%d IKE_SAs in manager now", this->ike_sa_list->get_count(this->ike_sa_list)); - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); charon->bus->set_sa(charon->bus, NULL); return retval; @@ -880,9 +882,8 @@ static status_t checkin_and_destroy(private_ike_sa_manager_t *this, ike_sa_t *ik ike_sa_id = ike_sa->get_id(ike_sa); DBG2(DBG_MGR, "checkin and destroy IKE_SA"); - charon->bus->set_sa(charon->bus, NULL); - pthread_mutex_lock(&(this->mutex)); + this->mutex->lock(this->mutex); if (get_entry_by_sa(this, ike_sa, &entry) == SUCCESS) { @@ -899,8 +900,9 @@ static status_t checkin_and_destroy(private_ike_sa_manager_t *this, ike_sa_t *ik DBG2(DBG_MGR, "tried to check-in and delete nonexisting IKE_SA"); retval = NOT_FOUND; } + charon->bus->set_sa(charon->bus, NULL); - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); return retval; } @@ -913,7 +915,7 @@ static int get_half_open_count(private_ike_sa_manager_t *this, host_t *ip) entry_t *entry; int count = 0; - pthread_mutex_lock(&(this->mutex)); + this->mutex->lock(this->mutex); enumerator = this->ike_sa_list->create_enumerator(this->ike_sa_list); while (enumerator->enumerate(enumerator, &entry)) { @@ -937,7 +939,7 @@ static int get_half_open_count(private_ike_sa_manager_t *this, host_t *ip) } enumerator->destroy(enumerator); - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); return count; } @@ -950,7 +952,7 @@ static void flush(private_ike_sa_manager_t *this) enumerator_t *enumerator; entry_t *entry; - pthread_mutex_lock(&(this->mutex)); + this->mutex->lock(this->mutex); DBG2(DBG_MGR, "going to destroy IKE_SA manager and all managed IKE_SA's"); /* Step 1: drive out all waiting threads */ DBG2(DBG_MGR, "set driveout flags for all stored IKE_SA's"); @@ -970,9 +972,9 @@ static void flush(private_ike_sa_manager_t *this) while (entry->waiting_threads) { /* wake up all */ - pthread_cond_broadcast(&(entry->condvar)); + entry->condvar->broadcast(entry->condvar); /* go sleeping until they are gone */ - pthread_cond_wait(&(entry->condvar), &(this->mutex)); + entry->condvar->wait(entry->condvar, this->mutex); } } enumerator->destroy(enumerator); @@ -981,6 +983,7 @@ static void flush(private_ike_sa_manager_t *this) enumerator = this->ike_sa_list->create_enumerator(this->ike_sa_list); while (enumerator->enumerate(enumerator, &entry)) { + charon->bus->set_sa(charon->bus, entry->ike_sa); entry->ike_sa->delete(entry->ike_sa); } enumerator->destroy(enumerator); @@ -990,9 +993,11 @@ static void flush(private_ike_sa_manager_t *this) while (this->ike_sa_list->remove_last(this->ike_sa_list, (void**)&entry) == SUCCESS) { + charon->bus->set_sa(charon->bus, entry->ike_sa); entry_destroy(entry); } - pthread_mutex_unlock(&(this->mutex)); + charon->bus->set_sa(charon->bus, NULL); + this->mutex->unlock(this->mutex); } /** @@ -1003,7 +1008,7 @@ static void destroy(private_ike_sa_manager_t *this) this->ike_sa_list->destroy(this->ike_sa_list); this->rng->destroy(this->rng); this->hasher->destroy(this->hasher); - + this->mutex->destroy(this->mutex); free(this); } @@ -1046,7 +1051,7 @@ ike_sa_manager_t *ike_sa_manager_create() return NULL; } this->ike_sa_list = linked_list_create(); - pthread_mutex_init(&this->mutex, NULL); + this->mutex = mutex_create(MUTEX_DEFAULT); this->reuse_ikesa = lib->settings->get_bool(lib->settings, "charon.reuse_ikesa", TRUE); return &this->public; diff --git a/src/charon/sa/ike_sa_manager.h b/src/charon/sa/ike_sa_manager.h index 04b6d96c2..3f0752cc8 100644 --- a/src/charon/sa/ike_sa_manager.h +++ b/src/charon/sa/ike_sa_manager.h @@ -13,7 +13,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: ike_sa_manager.h 3819 2008-04-17 10:46:25Z martin $ + * $Id: ike_sa_manager.h 4624 2008-11-11 13:11:44Z tobias $ */ /** @@ -59,7 +59,7 @@ struct ike_sa_manager_t { * Create and check out a new IKE_SA. * * @param initiator TRUE for initiator, FALSE otherwise - * @returns created andchecked out IKE_SA + * @returns created and checked out IKE_SA */ ike_sa_t* (*checkout_new) (ike_sa_manager_t* this, bool initiator); @@ -67,13 +67,13 @@ struct ike_sa_manager_t { * Checkout an IKE_SA by a message. * * In some situations, it is necessary that the manager knows the - * message to use for the checkout. This has the folloing reasons: + * message to use for the checkout. This has the following reasons: * * 1. If the targeted IKE_SA is already processing a message, we do not * check it out if the message ID is the same. * 2. If it is an IKE_SA_INIT request, we have to check if it is a * retransmission. If so, we have to drop the message, we would - * create another unneded IKE_SA for each retransmitted packet. + * create another unneeded IKE_SA for each retransmitted packet. * * A call to checkout_by_message() returns a (maybe new created) IKE_SA. * If processing the message does not make sense (for the reasons above), diff --git a/src/charon/sa/keymat.c b/src/charon/sa/keymat.c new file mode 100644 index 000000000..c65bfc3b7 --- /dev/null +++ b/src/charon/sa/keymat.c @@ -0,0 +1,568 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * $Id$ + */ + +#include "keymat.h" + +#include <daemon.h> +#include <crypto/prf_plus.h> + +typedef struct private_keymat_t private_keymat_t; + +/** + * Private data of an keymat_t object. + */ +struct private_keymat_t { + + /** + * Public keymat_t interface. + */ + keymat_t public; + + /** + * IKE_SA Role, initiator or responder + */ + bool initiator; + + /** + * inbound signer (verify) + */ + signer_t *signer_in; + + /** + * outbound signer (sign) + */ + signer_t *signer_out; + + /** + * inbound crypter (decrypt) + */ + crypter_t *crypter_in; + + /** + * outbound crypter (encrypt) + */ + crypter_t *crypter_out; + + /** + * General purpose PRF + */ + prf_t *prf; + + /** + * Key to derive key material from for CHILD_SAs, rekeying + */ + chunk_t skd; + + /** + * Key to build outging authentication data (SKp) + */ + chunk_t skp_build; + + /** + * Key to verify incoming authentication data (SKp) + */ + chunk_t skp_verify; +}; + +typedef struct keylen_entry_t keylen_entry_t; + +/** + * Implicit key length for an algorithm + */ +struct keylen_entry_t { + /** IKEv2 algorithm identifier */ + int algo; + /** key length in bits */ + int len; +}; + +#define END_OF_LIST -1 + +/** + * Keylen for encryption algos + */ +keylen_entry_t keylen_enc[] = { + {ENCR_DES, 64}, + {ENCR_3DES, 192}, + {END_OF_LIST, 0} +}; + +/** + * Keylen for integrity algos + */ +keylen_entry_t keylen_int[] = { + {AUTH_HMAC_MD5_96, 128}, + {AUTH_HMAC_SHA1_96, 160}, + {AUTH_HMAC_SHA2_256_128, 256}, + {AUTH_HMAC_SHA2_384_192, 384}, + {AUTH_HMAC_SHA2_512_256, 512}, + {AUTH_AES_XCBC_96, 128}, + {END_OF_LIST, 0} +}; + +/** + * Lookup key length of an algorithm + */ +static int lookup_keylen(keylen_entry_t *list, int algo) +{ + while (list->algo != END_OF_LIST) + { + if (algo == list->algo) + { + return list->len; + } + list++; + } + return 0; +} + +/** + * Implementation of keymat_t.create_dh + */ +static diffie_hellman_t* create_dh(private_keymat_t *this, + diffie_hellman_group_t group) +{ + return lib->crypto->create_dh(lib->crypto, group);; +} + +/** + * Implementation of keymat_t.derive_keys + */ +static bool derive_ike_keys(private_keymat_t *this, proposal_t *proposal, + diffie_hellman_t *dh, chunk_t nonce_i, + chunk_t nonce_r, ike_sa_id_t *id, + private_keymat_t *rekey) +{ + chunk_t skeyseed, key, secret, full_nonce, fixed_nonce, prf_plus_seed; + chunk_t spi_i, spi_r; + crypter_t *crypter_i, *crypter_r; + signer_t *signer_i, *signer_r; + prf_plus_t *prf_plus; + u_int16_t alg, key_size; + + spi_i = chunk_alloca(sizeof(u_int64_t)); + spi_r = chunk_alloca(sizeof(u_int64_t)); + + if (dh->get_shared_secret(dh, &secret) != SUCCESS) + { + return FALSE; + } + + /* Create SAs general purpose PRF first, we may use it here */ + if (!proposal->get_algorithm(proposal, PSEUDO_RANDOM_FUNCTION, &alg, NULL)) + { + DBG1(DBG_IKE, "no %N selected", + transform_type_names, PSEUDO_RANDOM_FUNCTION); + return FALSE; + } + this->prf = lib->crypto->create_prf(lib->crypto, alg); + if (this->prf == NULL) + { + DBG1(DBG_IKE, "%N %N not supported!", + transform_type_names, PSEUDO_RANDOM_FUNCTION, + pseudo_random_function_names, alg); + return FALSE; + } + DBG4(DBG_IKE, "shared Diffie Hellman secret %B", &secret); + /* full nonce is used as seed for PRF+ ... */ + full_nonce = chunk_cat("cc", nonce_i, nonce_r); + /* but the PRF may need a fixed key which only uses the first bytes of + * the nonces. */ + switch (alg) + { + case PRF_AES128_XCBC: + /* while rfc4434 defines variable keys for AES-XCBC, rfc3664 does + * not and therefore fixed key semantics apply to XCBC for key + * derivation. */ + key_size = this->prf->get_key_size(this->prf)/2; + nonce_i.len = min(nonce_i.len, key_size); + nonce_r.len = min(nonce_r.len, key_size); + break; + default: + /* all other algorithms use variable key length, full nonce */ + break; + } + fixed_nonce = chunk_cat("cc", nonce_i, nonce_r); + *((u_int64_t*)spi_i.ptr) = id->get_initiator_spi(id); + *((u_int64_t*)spi_r.ptr) = id->get_responder_spi(id); + prf_plus_seed = chunk_cat("ccc", full_nonce, spi_i, spi_r); + + /* KEYMAT = prf+ (SKEYSEED, Ni | Nr | SPIi | SPIr) + * + * if we are rekeying, SKEYSEED is built on another way + */ + if (rekey == NULL) /* not rekeying */ + { + /* SKEYSEED = prf(Ni | Nr, g^ir) */ + this->prf->set_key(this->prf, fixed_nonce); + this->prf->allocate_bytes(this->prf, secret, &skeyseed); + this->prf->set_key(this->prf, skeyseed); + prf_plus = prf_plus_create(this->prf, prf_plus_seed); + } + else + { + /* SKEYSEED = prf(SK_d (old), [g^ir (new)] | Ni | Nr) + * use OLD SAs PRF functions for both prf_plus and prf */ + secret = chunk_cat("mc", secret, full_nonce); + rekey->prf->set_key(rekey->prf, rekey->skd); + rekey->prf->allocate_bytes(rekey->prf, secret, &skeyseed); + rekey->prf->set_key(rekey->prf, skeyseed); + prf_plus = prf_plus_create(rekey->prf, prf_plus_seed); + } + DBG4(DBG_IKE, "SKEYSEED %B", &skeyseed); + + chunk_clear(&skeyseed); + chunk_clear(&secret); + chunk_free(&full_nonce); + chunk_free(&fixed_nonce); + chunk_clear(&prf_plus_seed); + + /* KEYMAT = SK_d | SK_ai | SK_ar | SK_ei | SK_er | SK_pi | SK_pr */ + + /* SK_d is used for generating CHILD_SA key mat => store for later use */ + key_size = this->prf->get_key_size(this->prf); + prf_plus->allocate_bytes(prf_plus, key_size, &this->skd); + DBG4(DBG_IKE, "Sk_d secret %B", &this->skd); + + /* SK_ai/SK_ar used for integrity protection => signer_in/signer_out */ + if (!proposal->get_algorithm(proposal, INTEGRITY_ALGORITHM, &alg, NULL)) + { + DBG1(DBG_IKE, "no %N selected", + transform_type_names, INTEGRITY_ALGORITHM); + return FALSE; + } + signer_i = lib->crypto->create_signer(lib->crypto, alg); + signer_r = lib->crypto->create_signer(lib->crypto, alg); + if (signer_i == NULL || signer_r == NULL) + { + DBG1(DBG_IKE, "%N %N not supported!", + transform_type_names, INTEGRITY_ALGORITHM, + integrity_algorithm_names ,alg); + prf_plus->destroy(prf_plus); + return FALSE; + } + key_size = signer_i->get_key_size(signer_i); + + prf_plus->allocate_bytes(prf_plus, key_size, &key); + DBG4(DBG_IKE, "Sk_ai secret %B", &key); + signer_i->set_key(signer_i, key); + chunk_clear(&key); + + prf_plus->allocate_bytes(prf_plus, key_size, &key); + DBG4(DBG_IKE, "Sk_ar secret %B", &key); + signer_r->set_key(signer_r, key); + chunk_clear(&key); + + if (this->initiator) + { + this->signer_in = signer_r; + this->signer_out = signer_i; + } + else + { + this->signer_in = signer_i; + this->signer_out = signer_r; + } + + /* SK_ei/SK_er used for encryption => crypter_in/crypter_out */ + if (!proposal->get_algorithm(proposal, ENCRYPTION_ALGORITHM, &alg, &key_size)) + { + DBG1(DBG_IKE, "no %N selected", + transform_type_names, ENCRYPTION_ALGORITHM); + prf_plus->destroy(prf_plus); + return FALSE; + } + crypter_i = lib->crypto->create_crypter(lib->crypto, alg, key_size / 8); + crypter_r = lib->crypto->create_crypter(lib->crypto, alg, key_size / 8); + if (crypter_i == NULL || crypter_r == NULL) + { + DBG1(DBG_IKE, "%N %N (key size %d) not supported!", + transform_type_names, ENCRYPTION_ALGORITHM, + encryption_algorithm_names, alg, key_size); + prf_plus->destroy(prf_plus); + return FALSE; + } + key_size = crypter_i->get_key_size(crypter_i); + + prf_plus->allocate_bytes(prf_plus, key_size, &key); + DBG4(DBG_IKE, "Sk_ei secret %B", &key); + crypter_i->set_key(crypter_i, key); + chunk_clear(&key); + + prf_plus->allocate_bytes(prf_plus, key_size, &key); + DBG4(DBG_IKE, "Sk_er secret %B", &key); + crypter_r->set_key(crypter_r, key); + chunk_clear(&key); + + if (this->initiator) + { + this->crypter_in = crypter_r; + this->crypter_out = crypter_i; + } + else + { + this->crypter_in = crypter_i; + this->crypter_out = crypter_r; + } + + /* SK_pi/SK_pr used for authentication => stored for later */ + key_size = this->prf->get_key_size(this->prf); + prf_plus->allocate_bytes(prf_plus, key_size, &key); + DBG4(DBG_IKE, "Sk_pi secret %B", &key); + if (this->initiator) + { + this->skp_build = key; + } + else + { + this->skp_verify = key; + } + prf_plus->allocate_bytes(prf_plus, key_size, &key); + DBG4(DBG_IKE, "Sk_pr secret %B", &key); + if (this->initiator) + { + this->skp_verify = key; + } + else + { + this->skp_build = key; + } + + /* all done, prf_plus not needed anymore */ + prf_plus->destroy(prf_plus); + + return TRUE; +} + +/** + * Implementation of keymat_t.derive_child_keys + */ +static bool derive_child_keys(private_keymat_t *this, + proposal_t *proposal, diffie_hellman_t *dh, + chunk_t nonce_i, chunk_t nonce_r, + chunk_t *encr_i, chunk_t *integ_i, + chunk_t *encr_r, chunk_t *integ_r) +{ + u_int16_t enc_alg, int_alg, enc_size = 0, int_size = 0; + chunk_t seed, secret = chunk_empty; + prf_plus_t *prf_plus; + + if (dh) + { + if (dh->get_shared_secret(dh, &secret) != SUCCESS) + { + return FALSE; + } + DBG4(DBG_CHD, "DH secret %B", &secret); + } + seed = chunk_cata("mcc", secret, nonce_i, nonce_r); + DBG4(DBG_CHD, "seed %B", &seed); + + if (proposal->get_algorithm(proposal, ENCRYPTION_ALGORITHM, + &enc_alg, &enc_size)) + { + DBG2(DBG_CHD, " using %N for encryption", + encryption_algorithm_names, enc_alg); + + if (!enc_size) + { + enc_size = lookup_keylen(keylen_enc, enc_alg); + } + if (!enc_size) + { + DBG1(DBG_CHD, "no keylenth defined for %N", + encryption_algorithm_names, enc_alg); + return FALSE; + } + /* to bytes */ + enc_size /= 8; + + /* CCM/GCM needs additional bytes */ + switch (enc_alg) + { + case ENCR_AES_CCM_ICV8: + case ENCR_AES_CCM_ICV12: + case ENCR_AES_CCM_ICV16: + enc_size += 3; + break; + case ENCR_AES_GCM_ICV8: + case ENCR_AES_GCM_ICV12: + case ENCR_AES_GCM_ICV16: + enc_size += 4; + break; + default: + break; + } + } + + if (proposal->get_algorithm(proposal, INTEGRITY_ALGORITHM, + &int_alg, &int_size)) + { + DBG2(DBG_CHD, " using %N for integrity", + integrity_algorithm_names, int_alg); + + if (!int_size) + { + int_size = lookup_keylen(keylen_int, int_alg); + } + if (!int_size) + { + DBG1(DBG_CHD, "no keylenth defined for %N", + integrity_algorithm_names, int_alg); + return FALSE; + } + /* to bytes */ + int_size /= 8; + } + + this->prf->set_key(this->prf, this->skd); + prf_plus = prf_plus_create(this->prf, seed); + + prf_plus->allocate_bytes(prf_plus, enc_size, encr_i); + prf_plus->allocate_bytes(prf_plus, int_size, integ_i); + prf_plus->allocate_bytes(prf_plus, enc_size, encr_r); + prf_plus->allocate_bytes(prf_plus, int_size, integ_r); + + prf_plus->destroy(prf_plus); + + return TRUE; +} + +/** + * Implementation of keymat_t.get_signer + */ +static signer_t* get_signer(private_keymat_t *this, bool in) +{ + return in ? this->signer_in : this->signer_out; +} + +/** + * Implementation of keymat_t.get_crypter + */ +static crypter_t* get_crypter(private_keymat_t *this, bool in) +{ + return in ? this->crypter_in : this->crypter_out; +} + +/** + * Implementation of keymat_t.get_auth_octets + */ +static chunk_t get_auth_octets(private_keymat_t *this, bool verify, + chunk_t ike_sa_init, chunk_t nonce, + identification_t *id) +{ + chunk_t chunk, idx, octets; + chunk_t skp; + + skp = verify ? this->skp_verify : this->skp_build; + + chunk = chunk_alloca(4); + memset(chunk.ptr, 0, chunk.len); + chunk.ptr[0] = id->get_type(id); + idx = chunk_cata("cc", chunk, id->get_encoding(id)); + + DBG3(DBG_IKE, "IDx' %B", &idx); + DBG3(DBG_IKE, "SK_p %B", &skp); + this->prf->set_key(this->prf, skp); + this->prf->allocate_bytes(this->prf, idx, &chunk); + + octets = chunk_cat("ccm", ike_sa_init, nonce, chunk); + DBG3(DBG_IKE, "octets = message + nonce + prf(Sk_px, IDx') %B", &octets); + return octets; +} + +/** + * Key pad for the AUTH method SHARED_KEY_MESSAGE_INTEGRITY_CODE. + */ +#define IKEV2_KEY_PAD "Key Pad for IKEv2" +#define IKEV2_KEY_PAD_LENGTH 17 + +/** + * Implementation of keymat_t.get_psk_sig + */ +static chunk_t get_psk_sig(private_keymat_t *this, bool verify, + chunk_t ike_sa_init, chunk_t nonce, chunk_t secret, + identification_t *id) +{ + chunk_t key_pad, key, sig, octets; + + if (!secret.len) + { /* EAP uses SK_p if no MSK has been established */ + secret = verify ? this->skp_verify : this->skp_build; + } + octets = get_auth_octets(this, verify, ike_sa_init, nonce, id); + /* AUTH = prf(prf(Shared Secret,"Key Pad for IKEv2"), <msg octets>) */ + key_pad = chunk_create(IKEV2_KEY_PAD, IKEV2_KEY_PAD_LENGTH); + this->prf->set_key(this->prf, secret); + this->prf->allocate_bytes(this->prf, key_pad, &key); + this->prf->set_key(this->prf, key); + this->prf->allocate_bytes(this->prf, octets, &sig); + DBG4(DBG_IKE, "secret %B", &secret); + DBG4(DBG_IKE, "prf(secret, keypad) %B", &key); + DBG3(DBG_IKE, "AUTH = prf(prf(secret, keypad), octets) %B", &sig); + chunk_free(&octets); + chunk_free(&key); + + return sig; +} + +/** + * Implementation of keymat_t.destroy. + */ +static void destroy(private_keymat_t *this) +{ + DESTROY_IF(this->signer_in); + DESTROY_IF(this->signer_out); + DESTROY_IF(this->crypter_in); + DESTROY_IF(this->crypter_out); + DESTROY_IF(this->prf); + chunk_clear(&this->skd); + chunk_clear(&this->skp_verify); + chunk_clear(&this->skp_build); + free(this); +} + +/** + * See header + */ +keymat_t *keymat_create(bool initiator) +{ + private_keymat_t *this = malloc_thing(private_keymat_t); + + this->public.create_dh = (diffie_hellman_t*(*)(keymat_t*, diffie_hellman_group_t group))create_dh; + this->public.derive_ike_keys = (bool(*)(keymat_t*, proposal_t *proposal, diffie_hellman_t *dh, chunk_t nonce_i, chunk_t nonce_r, ike_sa_id_t *id, keymat_t *rekey))derive_ike_keys; + this->public.derive_child_keys = (bool(*)(keymat_t*, proposal_t *proposal, diffie_hellman_t *dh, chunk_t nonce_i, chunk_t nonce_r, chunk_t *encr_i, chunk_t *integ_i, chunk_t *encr_r, chunk_t *integ_r))derive_child_keys; + this->public.get_signer = (signer_t*(*)(keymat_t*, bool in))get_signer; + this->public.get_crypter = (crypter_t*(*)(keymat_t*, bool in))get_crypter; + this->public.get_auth_octets = (chunk_t(*)(keymat_t *, bool verify, chunk_t ike_sa_init, chunk_t nonce, identification_t *id))get_auth_octets; + this->public.get_psk_sig = (chunk_t(*)(keymat_t*, bool verify, chunk_t ike_sa_init, chunk_t nonce, chunk_t secret, identification_t *id))get_psk_sig; + this->public.destroy = (void(*)(keymat_t*))destroy; + + this->initiator = initiator; + + this->signer_in = NULL; + this->signer_out = NULL; + this->crypter_in = NULL; + this->crypter_out = NULL; + this->prf = NULL; + this->skd = chunk_empty; + this->skp_verify = chunk_empty; + this->skp_build = chunk_empty; + + return &this->public; +} + diff --git a/src/charon/sa/keymat.h b/src/charon/sa/keymat.h new file mode 100644 index 000000000..3ca25da9e --- /dev/null +++ b/src/charon/sa/keymat.h @@ -0,0 +1,154 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * $Id$ + */ + +/** + * @defgroup keymat keymat + * @{ @ingroup sa + */ + +#ifndef KEYMAT_H_ +#define KEYMAT_H_ + +#include <library.h> +#include <utils/identification.h> +#include <crypto/prfs/prf.h> +#include <crypto/crypters/crypter.h> +#include <crypto/signers/signer.h> +#include <config/proposal.h> +#include <sa/ike_sa_id.h> + +typedef struct keymat_t keymat_t; + +/** + * Derivation an management of sensitive keying material. + */ +struct keymat_t { + + /** + * Create a diffie hellman object for key agreement. + * + * The diffie hellman is either for IKE negotiation/rekeying or + * CHILD_SA rekeying (using PFS). The resulting DH object must be passed + * to derive_keys or to derive_child_keys and destroyed after use + * + * @param group diffie hellman group + * @return DH object, NULL if group not supported + */ + diffie_hellman_t* (*create_dh)(keymat_t *this, diffie_hellman_group_t group); + + /** + * Derive keys for the IKE_SA. + * + * These keys are not handed out, but are used by the associated signers, + * crypters and authentication functions. + * + * @param proposal selected algorithms + * @param dh diffie hellman key allocated by create_dh() + * @param nonce_i initiators nonce value + * @param nonce_r responders nonce value + * @param id IKE_SA identifier + * @param rekey keymat of old SA if we are rekeying + * @return TRUE on success + */ + bool (*derive_ike_keys)(keymat_t *this, proposal_t *proposal, + diffie_hellman_t *dh, chunk_t nonce_i, + chunk_t nonce_r, ike_sa_id_t *id, keymat_t *rekey); + /** + * Derive keys for a CHILD_SA. + * + * The keys for the CHILD_SA are allocated in the integ and encr chunks. + * An implementation might hand out encrypted keys only, which are + * decrypted in the kernel before use. + * If no PFS is used for the CHILD_SA, dh can be NULL. + * + * @param proposal selected algorithms + * @param dh diffie hellman key allocated by create_dh(), or NULL + * @param nonce_i initiators nonce value + * @param nonce_r responders nonce value + * @param encr_i chunk to write initiators encryption key to + * @param integ_i chunk to write initiators integrity key to + * @param encr_r chunk to write responders encryption key to + * @param integ_r chunk to write responders integrity key to + * @return TRUE on success + */ + bool (*derive_child_keys)(keymat_t *this, + proposal_t *proposal, diffie_hellman_t *dh, + chunk_t nonce_i, chunk_t nonce_r, + chunk_t *encr_i, chunk_t *integ_i, + chunk_t *encr_r, chunk_t *integ_r); + /** + * Get a signer to sign/verify IKE messages. + * + * @param in TRUE for inbound (verify), FALSE for outbound (sign) + * @return signer + */ + signer_t* (*get_signer)(keymat_t *this, bool in); + + /* + * Get a crypter to en-/decrypt IKE messages. + * + * @param in TRUE for inbound (decrypt), FALSE for outbound (encrypt) + * @return crypter + */ + crypter_t* (*get_crypter)(keymat_t *this, bool in); + + /** + * Generate octets to use for authentication procedure (RFC4306 2.15). + * + * This method creates the plain octets and is usually signed by a private + * key. PSK and EAP authentication include a secret into the data, use + * the get_psk_sig() method instead. + * + * @param verify TRUE to create for verfification, FALSE to sign + * @param ike_sa_init encoded ike_sa_init message + * @param nonce nonce value + * @param id identity + * @return authentication octets + */ + chunk_t (*get_auth_octets)(keymat_t *this, bool verify, chunk_t ike_sa_init, + chunk_t nonce, identification_t *id); + /** + * Build the shared secret signature used for PSK and EAP authentication. + * + * This method wraps the get_auth_octets() method and additionally + * includes the secret into the signature. If no secret is given, SK_p is + * used as secret (used for EAP methods without MSK). + * + * @param verify TRUE to create for verfification, FALSE to sign + * @param ike_sa_init encoded ike_sa_init message + * @param nonce nonce value + * @param secret optional secret to include into signature + * @param id identity + * @return signature octets + */ + chunk_t (*get_psk_sig)(keymat_t *this, bool verify, chunk_t ike_sa_init, + chunk_t nonce, chunk_t secret, identification_t *id); + /** + * Destroy a keymat_t. + */ + void (*destroy)(keymat_t *this); +}; + +/** + * Create a keymat instance. + * + * @param initiator TRUE if we are the initiator + * @return keymat instance + */ +keymat_t *keymat_create(bool initiator); + +#endif /* KEYMAT_ @}*/ diff --git a/src/charon/sa/mediation_manager.c b/src/charon/sa/mediation_manager.c index d15f4c100..b508c48c3 100644 --- a/src/charon/sa/mediation_manager.c +++ b/src/charon/sa/mediation_manager.c @@ -12,13 +12,13 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: mediation_manager.c 3773 2008-04-07 09:36:52Z tobias $ + * $Id: mediation_manager.c 4579 2008-11-05 11:29:56Z martin $ */ #include "mediation_manager.h" -#include <pthread.h> #include <daemon.h> +#include <utils/mutex.h> #include <utils/linked_list.h> #include <processing/jobs/mediation_job.h> @@ -80,7 +80,7 @@ struct private_mediation_manager_t { /** * Lock for exclusivly accessing the manager. */ - pthread_mutex_t mutex; + mutex_t *mutex; /** * Linked list with state entries. @@ -182,7 +182,7 @@ static void remove_sa(private_mediation_manager_t *this, ike_sa_id_t *ike_sa_id) iterator_t *iterator; peer_t *peer; - pthread_mutex_lock(&(this->mutex)); + this->mutex->lock(this->mutex); iterator = this->peers->create_iterator(this->peers, TRUE); while (iterator->iterate(iterator, (void**)&peer)) @@ -199,7 +199,7 @@ static void remove_sa(private_mediation_manager_t *this, ike_sa_id_t *ike_sa_id) } iterator->destroy(iterator); - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); } /** @@ -211,7 +211,7 @@ static void update_sa_id(private_mediation_manager_t *this, identification_t *pe peer_t *peer; bool found = FALSE; - pthread_mutex_lock(&(this->mutex)); + this->mutex->lock(this->mutex); iterator = this->peers->create_iterator(this->peers, TRUE); while (iterator->iterate(iterator, (void**)&peer)) @@ -244,7 +244,7 @@ static void update_sa_id(private_mediation_manager_t *this, identification_t *pe requester->destroy(requester); } - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); } /** @@ -256,17 +256,17 @@ static ike_sa_id_t *check(private_mediation_manager_t *this, peer_t *peer; ike_sa_id_t *ike_sa_id; - pthread_mutex_lock(&(this->mutex)); + this->mutex->lock(this->mutex); if (get_peer_by_id(this, peer_id, &peer) != SUCCESS) { - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); return NULL; } ike_sa_id = peer->ike_sa_id; - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); return ike_sa_id; } @@ -280,7 +280,7 @@ static ike_sa_id_t *check_and_register(private_mediation_manager_t *this, peer_t *peer; ike_sa_id_t *ike_sa_id; - pthread_mutex_lock(&(this->mutex)); + this->mutex->lock(this->mutex); if (get_peer_by_id(this, peer_id, &peer) != SUCCESS) { @@ -294,13 +294,13 @@ static ike_sa_id_t *check_and_register(private_mediation_manager_t *this, /* the peer is not online */ DBG2(DBG_IKE, "requested peer '%D' is offline, registering peer '%D'", peer_id, requester); register_peer(peer, requester); - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); return NULL; } ike_sa_id = peer->ike_sa_id; - pthread_mutex_unlock(&(this->mutex)); + this->mutex->unlock(this->mutex); return ike_sa_id; } @@ -310,12 +310,12 @@ static ike_sa_id_t *check_and_register(private_mediation_manager_t *this, */ static void destroy(private_mediation_manager_t *this) { - pthread_mutex_lock(&(this->mutex)); + this->mutex->lock(this->mutex); this->peers->destroy_function(this->peers, (void*)peer_destroy); - pthread_mutex_unlock(&(this->mutex)); - pthread_mutex_destroy(&(this->mutex)); + this->mutex->unlock(this->mutex); + this->mutex->destroy(this->mutex); free(this); } @@ -333,7 +333,7 @@ mediation_manager_t *mediation_manager_create() this->public.check_and_register = (ike_sa_id_t*(*)(mediation_manager_t*,identification_t*,identification_t*))check_and_register; this->peers = linked_list_create(); - pthread_mutex_init(&(this->mutex), NULL); + this->mutex = mutex_create(MUTEX_DEFAULT); return (mediation_manager_t*)this; } diff --git a/src/charon/sa/task_manager.c b/src/charon/sa/task_manager.c index 25089477b..0630647c9 100644 --- a/src/charon/sa/task_manager.c +++ b/src/charon/sa/task_manager.c @@ -13,7 +13,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: task_manager.c 4320 2008-09-02 14:02:40Z martin $ + * $Id: task_manager.c 4484 2008-10-27 11:13:33Z martin $ */ #include "task_manager.h" @@ -145,44 +145,15 @@ struct private_task_manager_t { */ static void flush(private_task_manager_t *this) { - task_t *task; - this->queued_tasks->destroy_offset(this->queued_tasks, offsetof(task_t, destroy)); this->passive_tasks->destroy_offset(this->passive_tasks, offsetof(task_t, destroy)); - - /* emmit outstanding signals for tasks */ - while (this->active_tasks->remove_last(this->active_tasks, - (void**)&task) == SUCCESS) - { - switch (task->get_type(task)) - { - case IKE_AUTH: - SIG_IKE(UP_FAILED, "establishing IKE_SA failed"); - break; - case IKE_DELETE: - SIG_IKE(DOWN_FAILED, "IKE_SA deleted"); - break; - case IKE_REKEY: - SIG_IKE(REKEY_FAILED, "rekeying IKE_SA failed"); - break; - case CHILD_CREATE: - SIG_CHD(UP_FAILED, NULL, "establishing CHILD_SA failed"); - break; - case CHILD_DELETE: - SIG_CHD(DOWN_FAILED, NULL, "deleting CHILD_SA failed"); - break; - case CHILD_REKEY: - SIG_IKE(REKEY_FAILED, "rekeying CHILD_SA failed"); - break; - default: - break; - } - task->destroy(task); - } + this->active_tasks->destroy_offset(this->active_tasks, + offsetof(task_t, destroy)); this->queued_tasks = linked_list_create(); this->passive_tasks = linked_list_create(); + this->active_tasks = linked_list_create(); } /** @@ -648,6 +619,7 @@ static status_t build_response(private_task_manager_t *this, message_t *request) DESTROY_IF(this->responding.packet); status = this->ike_sa->generate_message(this->ike_sa, message, &this->responding.packet); + charon->bus->message(charon->bus, message, FALSE); message->destroy(message); if (status != SUCCESS) { @@ -867,6 +839,7 @@ static status_t process_message(private_task_manager_t *this, message_t *msg) { if (mid == this->responding.mid) { + charon->bus->message(charon->bus, msg, TRUE); if (process_request(this, msg) != SUCCESS) { flush(this); diff --git a/src/charon/sa/tasks/child_create.c b/src/charon/sa/tasks/child_create.c index bddca621b..767ceef55 100644 --- a/src/charon/sa/tasks/child_create.c +++ b/src/charon/sa/tasks/child_create.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2008 Tobias Brunner - * Copyright (C) 2005-2007 Martin Willi + * Copyright (C) 2005-2008 Martin Willi * Copyright (C) 2005 Jan Hutter * Hochschule fuer Technik Rapperswil * @@ -14,7 +14,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: child_create.c 4358 2008-09-25 13:56:23Z tobias $ + * $Id: child_create.c 4618 2008-11-11 09:22:00Z tobias $ */ #include "child_create.h" @@ -97,6 +97,11 @@ struct private_child_create_t { diffie_hellman_group_t dh_group; /** + * IKE_SAs keymat + */ + keymat_t *keymat; + + /** * mode the new CHILD_SA uses (transport/tunnel/beet) */ ipsec_mode_t mode; @@ -191,38 +196,22 @@ static bool ts_list_is_host(linked_list_t *list, host_t *host) */ static status_t select_and_install(private_child_create_t *this, bool no_dh) { - prf_plus_t *prf_plus; status_t status; - chunk_t nonce_i, nonce_r, secret, seed; + chunk_t nonce_i, nonce_r, encr_i, integ_i, encr_r, integ_r; linked_list_t *my_ts, *other_ts; host_t *me, *other, *other_vip, *my_vip; if (this->proposals == NULL) { - SIG_CHD(UP_FAILED, this->child_sa, "SA payload missing in message"); + DBG1(DBG_IKE, "SA payload missing in message"); return FAILED; } if (this->tsi == NULL || this->tsr == NULL) { - SIG_CHD(UP_FAILED, this->child_sa, "TS payloads missing in message"); + DBG1(DBG_IKE, "TS payloads missing in message"); return NOT_FOUND; } - if (this->initiator) - { - nonce_i = this->my_nonce; - nonce_r = this->other_nonce; - my_ts = this->tsi; - other_ts = this->tsr; - } - else - { - nonce_r = this->my_nonce; - nonce_i = this->other_nonce; - my_ts = this->tsr; - other_ts = this->tsi; - } - me = this->ike_sa->get_my_host(this->ike_sa); other = this->ike_sa->get_other_host(this->ike_sa); my_vip = this->ike_sa->get_virtual_ip(this->ike_sa, TRUE); @@ -232,7 +221,7 @@ static status_t select_and_install(private_child_create_t *this, bool no_dh) no_dh); if (this->proposal == NULL) { - SIG_CHD(UP_FAILED, this->child_sa, "no acceptable proposal found"); + DBG1(DBG_IKE, "no acceptable proposal found"); return FAILED; } @@ -243,15 +232,15 @@ static status_t select_and_install(private_child_create_t *this, bool no_dh) if (this->proposal->get_algorithm(this->proposal, DIFFIE_HELLMAN_GROUP, &group, NULL)) { - SIG_CHD(UP_FAILED, this->child_sa, "DH group %N inacceptable, " - "requesting %N", diffie_hellman_group_names, this->dh_group, - diffie_hellman_group_names, group); + DBG1(DBG_IKE, "DH group %N inacceptable, requesting %N", + diffie_hellman_group_names, this->dh_group, + diffie_hellman_group_names, group); this->dh_group = group; return INVALID_ARG; } else { - SIG_CHD(UP_FAILED, this->child_sa, "no acceptable proposal found"); + DBG1(DBG_IKE, "no acceptable proposal found"); return FAILED; } } @@ -260,16 +249,25 @@ static status_t select_and_install(private_child_create_t *this, bool no_dh) { my_vip = me; } - else if (this->initiator) - { - /* to setup firewall rules correctly, CHILD_SA needs the virtual IP */ - this->child_sa->set_virtual_ip(this->child_sa, my_vip); - } if (other_vip == NULL) { other_vip = other; } + if (this->initiator) + { + nonce_i = this->my_nonce; + nonce_r = this->other_nonce; + my_ts = this->tsi; + other_ts = this->tsr; + } + else + { + nonce_r = this->my_nonce; + nonce_i = this->other_nonce; + my_ts = this->tsr; + other_ts = this->tsi; + } my_ts = this->config->get_traffic_selectors(this->config, TRUE, my_ts, my_vip); other_ts = this->config->get_traffic_selectors(this->config, FALSE, other_ts, @@ -279,7 +277,7 @@ static status_t select_and_install(private_child_create_t *this, bool no_dh) { my_ts->destroy_offset(my_ts, offsetof(traffic_selector_t, destroy)); other_ts->destroy_offset(other_ts, offsetof(traffic_selector_t, destroy)); - SIG_CHD(UP_FAILED, this->child_sa, "no acceptable traffic selectors found"); + DBG1(DBG_IKE, "no acceptable traffic selectors found"); return NOT_FOUND; } @@ -302,16 +300,18 @@ static status_t select_and_install(private_child_create_t *this, bool no_dh) switch (this->mode) { case MODE_TRANSPORT: - if (!ts_list_is_host(this->tsi, other) || - !ts_list_is_host(this->tsr, me)) + if (!this->config->use_proxy_mode(this->config) && + (!ts_list_is_host(this->tsi, other) || + !ts_list_is_host(this->tsr, me)) + ) { this->mode = MODE_TUNNEL; - DBG1(DBG_IKE, "not using tranport mode, not host-to-host"); + DBG1(DBG_IKE, "not using transport mode, not host-to-host"); } else if (this->ike_sa->has_condition(this->ike_sa, COND_NAT_ANY)) { this->mode = MODE_TUNNEL; - DBG1(DBG_IKE, "not using tranport mode, connection NATed"); + DBG1(DBG_IKE, "not using transport mode, connection NATed"); } break; case MODE_BEET: @@ -327,55 +327,51 @@ static status_t select_and_install(private_child_create_t *this, bool no_dh) } } - if (this->dh) + this->child_sa->set_state(this->child_sa, CHILD_INSTALLING); + + if (this->ipcomp != IPCOMP_NONE) { - if (this->dh->get_shared_secret(this->dh, &secret) != SUCCESS) - { - SIG_CHD(UP_FAILED, this->child_sa, "DH exchange incomplete"); - return FAILED; - } - DBG3(DBG_IKE, "DH secret %B", &secret); - seed = chunk_cata("mcc", secret, nonce_i, nonce_r); + this->child_sa->activate_ipcomp(this->child_sa, this->ipcomp, + this->other_cpi); } - else + + status = FAILED; + if (this->keymat->derive_child_keys(this->keymat, this->proposal, + this->dh, nonce_i, nonce_r, &encr_i, &integ_i, &encr_r, &integ_r)) { - seed = chunk_cata("cc", nonce_i, nonce_r); + if (this->initiator) + { + status = this->child_sa->update(this->child_sa, this->proposal, + this->mode, integ_r, integ_i, encr_r, encr_i); + } + else + { + status = this->child_sa->add(this->child_sa, this->proposal, + this->mode, integ_i, integ_r, encr_i, encr_r); + } } + chunk_clear(&integ_i); + chunk_clear(&integ_r); + chunk_clear(&encr_i); + chunk_clear(&encr_r); - if (this->ipcomp != IPCOMP_NONE) + if (status != SUCCESS) { - this->child_sa->activate_ipcomp(this->child_sa, this->ipcomp, - this->other_cpi); + DBG1(DBG_IKE, "unable to install IPsec SA (SAD) in kernel"); + return FAILED; } status = this->child_sa->add_policies(this->child_sa, my_ts, other_ts, this->mode, this->proposal->get_protocol(this->proposal)); if (status != SUCCESS) { - SIG_CHD(UP_FAILED, this->child_sa, - "unable to install IPsec policies (SPD) in kernel"); + DBG1(DBG_IKE, "unable to install IPsec policies (SPD) in kernel"); return NOT_FOUND; } - prf_plus = prf_plus_create(this->ike_sa->get_child_prf(this->ike_sa), seed); - if (this->initiator) - { - status = this->child_sa->update(this->child_sa, this->proposal, - this->mode, prf_plus); - } - else - { - status = this->child_sa->add(this->child_sa, this->proposal, - this->mode, prf_plus); - } - prf_plus->destroy(prf_plus); + charon->bus->child_keys(charon->bus, this->child_sa, this->dh, + nonce_i, nonce_r); - if (status != SUCCESS) - { - SIG_CHD(UP_FAILED, this->child_sa, - "unable to install IPsec SA (SAD) in kernel"); - return FAILED; - } /* add to IKE_SA, and remove from task */ this->child_sa->set_state(this->child_sa, CHILD_INSTALLED); this->ike_sa->add_child_sa(this->ike_sa, this->child_sa); @@ -499,7 +495,7 @@ static void process_payloads(private_child_create_t *this, message_t *message) if (!this->initiator) { this->dh_group = ke_payload->get_dh_group_number(ke_payload); - this->dh = lib->crypto->create_dh(lib->crypto, this->dh_group); + this->dh = this->keymat->create_dh(this->keymat, this->dh_group); } if (this->dh) { @@ -592,13 +588,13 @@ static status_t build_i(private_child_create_t *this, message_t *message) if (this->reqid) { - SIG_CHD(UP_START, NULL, "establishing CHILD_SA %s{%d}", - this->config->get_name(this->config), this->reqid); + DBG0(DBG_IKE, "establishing CHILD_SA %s{%d}", + this->config->get_name(this->config), this->reqid); } else { - SIG_CHD(UP_START, NULL, "establishing CHILD_SA %s", - this->config->get_name(this->config)); + DBG0(DBG_IKE, "establishing CHILD_SA %s", + this->config->get_name(this->config)); } /* reuse virtual IP if we already have one */ @@ -641,23 +637,19 @@ static status_t build_i(private_child_create_t *this, message_t *message) this->dh_group == MODP_NONE); this->mode = this->config->get_mode(this->config); - this->child_sa = child_sa_create( - this->ike_sa->get_my_host(this->ike_sa), - this->ike_sa->get_other_host(this->ike_sa), - this->ike_sa->get_my_id(this->ike_sa), - this->ike_sa->get_other_id(this->ike_sa), this->config, this->reqid, + this->child_sa = child_sa_create(this->ike_sa->get_my_host(this->ike_sa), + this->ike_sa->get_other_host(this->ike_sa), this->config, this->reqid, this->ike_sa->has_condition(this->ike_sa, COND_NAT_ANY)); if (this->child_sa->alloc(this->child_sa, this->proposals) != SUCCESS) { - SIG_CHD(UP_FAILED, this->child_sa, - "unable to allocate SPIs from kernel"); + DBG1(DBG_IKE, "unable to allocate SPIs from kernel"); return FAILED; } if (this->dh_group != MODP_NONE) { - this->dh = lib->crypto->create_dh(lib->crypto, this->dh_group); + this->dh = this->keymat->create_dh(this->keymat, this->dh_group); } if (this->config->use_ipcomp(this->config)) { @@ -679,7 +671,7 @@ static status_t build_i(private_child_create_t *this, message_t *message) } /** - * Implementation of task_t.process for initiator + * Implementation of task_t.process for responder */ static status_t process_r(private_child_create_t *this, message_t *message) { @@ -785,16 +777,15 @@ static status_t build_r(private_child_create_t *this, message_t *message) if (this->ike_sa->get_state(this->ike_sa) == IKE_REKEYING) { - SIG_CHD(UP_FAILED, NULL, - "unable to create CHILD_SA while rekeying IKE_SA"); + DBG1(DBG_IKE, "unable to create CHILD_SA while rekeying IKE_SA"); message->add_notify(message, TRUE, NO_ADDITIONAL_SAS, chunk_empty); return SUCCESS; } if (this->config == NULL) { - SIG_CHD(UP_FAILED, NULL, "traffic selectors %#R=== %#R inacceptable", - this->tsr, this->tsi); + DBG1(DBG_IKE, "traffic selectors %#R=== %#R inacceptable", + this->tsr, this->tsi); message->add_notify(message, FALSE, TS_UNACCEPTABLE, chunk_empty); handle_child_sa_failure(this, message); return SUCCESS; @@ -813,8 +804,8 @@ static status_t build_r(private_child_create_t *this, message_t *message) case INTERNAL_ADDRESS_FAILURE: case FAILED_CP_REQUIRED: { - SIG_CHD(UP_FAILED, NULL, "configuration payload negotation " - "failed, no CHILD_SA built"); + DBG1(DBG_IKE,"configuration payload negotation " + "failed, no CHILD_SA built"); iterator->destroy(iterator); handle_child_sa_failure(this, message); return SUCCESS; @@ -826,11 +817,8 @@ static status_t build_r(private_child_create_t *this, message_t *message) } iterator->destroy(iterator); - this->child_sa = child_sa_create( - this->ike_sa->get_my_host(this->ike_sa), - this->ike_sa->get_other_host(this->ike_sa), - this->ike_sa->get_my_id(this->ike_sa), - this->ike_sa->get_other_id(this->ike_sa), this->config, this->reqid, + this->child_sa = child_sa_create(this->ike_sa->get_my_host(this->ike_sa), + this->ike_sa->get_other_host(this->ike_sa), this->config, this->reqid, this->ike_sa->has_condition(this->ike_sa, COND_NAT_ANY)); if (this->config->use_ipcomp(this->config) && @@ -870,14 +858,14 @@ static status_t build_r(private_child_create_t *this, message_t *message) build_payloads(this, message); - SIG_CHD(UP_SUCCESS, this->child_sa, "CHILD_SA %s{%d} established " - "with SPIs %.8x_i %.8x_o and TS %#R=== %#R", - this->child_sa->get_name(this->child_sa), - this->child_sa->get_reqid(this->child_sa), - ntohl(this->child_sa->get_spi(this->child_sa, TRUE)), - ntohl(this->child_sa->get_spi(this->child_sa, FALSE)), - this->child_sa->get_traffic_selectors(this->child_sa, TRUE), - this->child_sa->get_traffic_selectors(this->child_sa, FALSE)); + DBG0(DBG_IKE, "CHILD_SA %s{%d} established " + "with SPIs %.8x_i %.8x_o and TS %#R=== %#R", + this->child_sa->get_name(this->child_sa), + this->child_sa->get_reqid(this->child_sa), + ntohl(this->child_sa->get_spi(this->child_sa, TRUE)), + ntohl(this->child_sa->get_spi(this->child_sa, FALSE)), + this->child_sa->get_traffic_selectors(this->child_sa, TRUE), + this->child_sa->get_traffic_selectors(this->child_sa, FALSE)); return SUCCESS; } @@ -929,8 +917,8 @@ static status_t process_i(private_child_create_t *this, message_t *message) case TS_UNACCEPTABLE: case INVALID_SELECTORS: { - SIG_CHD(UP_FAILED, this->child_sa, "received %N notify, " - "no CHILD_SA built", notify_type_names, type); + DBG1(DBG_IKE, "received %N notify, no CHILD_SA built", + notify_type_names, type); iterator->destroy(iterator); handle_child_sa_failure(this, message); /* an error in CHILD_SA creation is not critical */ @@ -963,35 +951,35 @@ static status_t process_i(private_child_create_t *this, message_t *message) if (this->ipcomp == IPCOMP_NONE && this->ipcomp_received != IPCOMP_NONE) { - SIG_CHD(UP_FAILED, this->child_sa, "received an IPCOMP_SUPPORTED notify" - " but we did not send one previously, no CHILD_SA built"); + DBG1(DBG_IKE, "received an IPCOMP_SUPPORTED notify without requesting" + " one, no CHILD_SA built"); handle_child_sa_failure(this, message); return SUCCESS; } else if (this->ipcomp != IPCOMP_NONE && this->ipcomp_received == IPCOMP_NONE) { DBG1(DBG_IKE, "peer didn't accept our proposed IPComp transforms, " - "IPComp is disabled"); + "IPComp is disabled"); this->ipcomp = IPCOMP_NONE; } else if (this->ipcomp != IPCOMP_NONE && this->ipcomp != this->ipcomp_received) { - SIG_CHD(UP_FAILED, this->child_sa, "received an IPCOMP_SUPPORTED notify" - " for a transform we did not propose, no CHILD_SA built"); + DBG1(DBG_IKE, "received an IPCOMP_SUPPORTED notify we didn't propose, " + "no CHILD_SA built"); handle_child_sa_failure(this, message); return SUCCESS; } if (select_and_install(this, no_dh) == SUCCESS) { - SIG_CHD(UP_SUCCESS, this->child_sa, "CHILD_SA %s{%d} established " - "with SPIs %.8x_i %.8x_o and TS %#R=== %#R", - this->child_sa->get_name(this->child_sa), - this->child_sa->get_reqid(this->child_sa), - ntohl(this->child_sa->get_spi(this->child_sa, TRUE)), - ntohl(this->child_sa->get_spi(this->child_sa, FALSE)), - this->child_sa->get_traffic_selectors(this->child_sa, TRUE), - this->child_sa->get_traffic_selectors(this->child_sa, FALSE)); + DBG0(DBG_IKE, "CHILD_SA %s{%d} established " + "with SPIs %.8x_i %.8x_o and TS %#R=== %#R", + this->child_sa->get_name(this->child_sa), + this->child_sa->get_reqid(this->child_sa), + ntohl(this->child_sa->get_spi(this->child_sa, TRUE)), + ntohl(this->child_sa->get_spi(this->child_sa, FALSE)), + this->child_sa->get_traffic_selectors(this->child_sa, TRUE), + this->child_sa->get_traffic_selectors(this->child_sa, FALSE)); } else { @@ -1144,6 +1132,7 @@ child_create_t *child_create_create(ike_sa_t *ike_sa, child_cfg_t *config) this->tsr = NULL; this->dh = NULL; this->dh_group = MODP_NONE; + this->keymat = ike_sa->get_keymat(ike_sa); this->child_sa = NULL; this->mode = MODE_TUNNEL; this->ipcomp = IPCOMP_NONE; diff --git a/src/charon/sa/tasks/child_delete.c b/src/charon/sa/tasks/child_delete.c index a3c74dc90..cab1d63f0 100644 --- a/src/charon/sa/tasks/child_delete.c +++ b/src/charon/sa/tasks/child_delete.c @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: child_delete.c 4366 2008-10-03 16:01:14Z martin $ + * $Id: child_delete.c 4434 2008-10-14 08:52:13Z martin $ */ #include "child_delete.h" @@ -222,14 +222,13 @@ static void log_children(private_child_delete_t *this) iterator = this->child_sas->create_iterator(this->child_sas, TRUE); while (iterator->iterate(iterator, (void**)&child_sa)) { - SIG_CHD(DOWN_START, child_sa, "closing CHILD_SA %s{%d} " - "with SPIs %.8x_i %.8x_o and TS %#R=== %#R", - child_sa->get_name(child_sa), - child_sa->get_reqid(child_sa), - ntohl(child_sa->get_spi(child_sa, TRUE)), - ntohl(child_sa->get_spi(child_sa, FALSE)), - child_sa->get_traffic_selectors(child_sa, TRUE), - child_sa->get_traffic_selectors(child_sa, FALSE)); + DBG0(DBG_IKE, "closing CHILD_SA %s{%d} " + "with SPIs %.8x_i %.8x_o and TS %#R=== %#R", + child_sa->get_name(child_sa), child_sa->get_reqid(child_sa), + ntohl(child_sa->get_spi(child_sa, TRUE)), + ntohl(child_sa->get_spi(child_sa, FALSE)), + child_sa->get_traffic_selectors(child_sa, TRUE), + child_sa->get_traffic_selectors(child_sa, FALSE)); } iterator->destroy(iterator); } @@ -254,7 +253,7 @@ static status_t process_i(private_child_delete_t *this, message_t *message) this->child_sas = linked_list_create(); process_payloads(this, message); - SIG_CHD(DOWN_SUCCESS, NULL, "CHILD_SA closed"); + DBG1(DBG_IKE, "CHILD_SA closed"); return destroy_and_reestablish(this); } @@ -278,7 +277,7 @@ static status_t build_r(private_child_delete_t *this, message_t *message) { build_payloads(this, message); } - SIG_CHD(DOWN_SUCCESS, NULL, "CHILD_SA closed"); + DBG1(DBG_IKE, "CHILD_SA closed"); return destroy_and_reestablish(this); } diff --git a/src/charon/sa/tasks/child_rekey.c b/src/charon/sa/tasks/child_rekey.c index 3953951a3..e50ad33be 100644 --- a/src/charon/sa/tasks/child_rekey.c +++ b/src/charon/sa/tasks/child_rekey.c @@ -13,7 +13,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: child_rekey.c 3589 2008-03-13 14:14:44Z martin $ + * $Id: child_rekey.c 4659 2008-11-14 14:05:47Z martin $ */ #include "child_rekey.h" @@ -23,6 +23,7 @@ #include <sa/tasks/child_create.h> #include <sa/tasks/child_delete.h> #include <processing/jobs/rekey_child_sa_job.h> +#include <processing/jobs/rekey_ike_sa_job.h> typedef struct private_child_rekey_t private_child_rekey_t; @@ -177,6 +178,31 @@ static status_t process_i(private_child_rekey_t *this, message_t *message) protocol_id_t protocol; u_int32_t spi; child_sa_t *to_delete; + iterator_t *iterator; + payload_t *payload; + + /* handle NO_ADDITIONAL_SAS notify */ + iterator = message->get_payload_iterator(message); + while (iterator->iterate(iterator, (void**)&payload)) + { + if (payload->get_type(payload) == NOTIFY) + { + notify_payload_t *notify = (notify_payload_t*)payload; + + if (notify->get_notify_type(notify) == NO_ADDITIONAL_SAS) + { + DBG1(DBG_IKE, "peer seems to not support CHILD_SA rekeying, " + "starting reauthentication"); + this->child_sa->set_state(this->child_sa, CHILD_INSTALLED); + charon->processor->queue_job(charon->processor, + (job_t*)rekey_ike_sa_job_create( + this->ike_sa->get_id(this->ike_sa), TRUE)); + iterator->destroy(iterator); + return SUCCESS; + } + } + } + iterator->destroy(iterator); if (this->child_create->task.process(&this->child_create->task, message) == NEED_MORE) { diff --git a/src/charon/sa/tasks/ike_auth.c b/src/charon/sa/tasks/ike_auth.c index 51f37f1b0..5c3f33cbd 100644 --- a/src/charon/sa/tasks/ike_auth.c +++ b/src/charon/sa/tasks/ike_auth.c @@ -13,7 +13,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details * - * $Id: ike_auth.c 4276 2008-08-22 10:44:51Z martin $ + * $Id: ike_auth.c 4463 2008-10-20 11:38:16Z martin $ */ #include "ike_auth.h" @@ -146,6 +146,8 @@ static bool check_uniqueness(private_ike_auth_t *this) charon->ike_sa_manager->checkin(charon->ike_sa_manager, duplicate); } } + /* set threads active IKE_SA after checkin */ + charon->bus->set_sa(charon->bus, this->ike_sa); return cancel; } @@ -201,15 +203,15 @@ static status_t build_auth(private_ike_auth_t *this, message_t *message) config = this->ike_sa->get_peer_cfg(this->ike_sa); if (!config) { - SIG_IKE(UP_FAILED, "unable to authenticate, no peer config found"); + DBG1(DBG_IKE, "unable to authenticate, no peer config found"); return FAILED; } auth = authenticator_create_from_class(this->ike_sa, get_auth_class(config)); if (auth == NULL) { - SIG_IKE(UP_FAILED, "configured authentication class %N not supported", - auth_class_names, get_auth_class(config)); + DBG1(DBG_IKE, "configured authentication class %N not supported", + auth_class_names, get_auth_class(config)); return FAILED; } @@ -218,7 +220,7 @@ static status_t build_auth(private_ike_auth_t *this, message_t *message) auth->destroy(auth); if (status != SUCCESS) { - SIG_IKE(UP_FAILED, "generating authentication data failed"); + DBG1(DBG_IKE, "generating authentication data failed"); return FAILED; } message->add_payload(message, (payload_t*)auth_payload); @@ -243,7 +245,7 @@ static status_t build_id(private_ike_auth_t *this, message_t *message) me = config->get_my_id(config); if (me->contains_wildcards(me)) { - SIG_IKE(UP_FAILED, "negotiation of own ID failed"); + DBG1(DBG_IKE, "negotiation of own ID failed"); return FAILED; } this->ike_sa->set_my_id(this->ike_sa, me->clone(me)); @@ -284,8 +286,8 @@ static status_t process_auth(private_ike_auth_t *this, message_t *message) auth_payload->get_auth_method(auth_payload)); if (auth == NULL) { - SIG_IKE(UP_FAILED, "authentication method %N used by '%D' not " - "supported", auth_method_names, auth_method, + DBG1(DBG_IKE, "authentication method %N used by '%D' not supported", + auth_method_names, auth_method, this->ike_sa->get_other_id(this->ike_sa)); return NOT_SUPPORTED; } @@ -294,7 +296,7 @@ static status_t process_auth(private_ike_auth_t *this, message_t *message) auth->destroy(auth); if (status != SUCCESS) { - SIG_IKE(UP_FAILED, "authentication of '%D' with %N failed", + DBG0(DBG_IKE, "authentication of '%D' with %N failed", this->ike_sa->get_other_id(this->ike_sa), auth_method_names, auth_method); return FAILED; @@ -315,7 +317,7 @@ static status_t process_id(private_ike_auth_t *this, message_t *message) if ((this->initiator && idr == NULL) || (!this->initiator && idi == NULL)) { - SIG_IKE(UP_FAILED, "ID payload missing in message"); + DBG1(DBG_IKE, "ID payload missing in message"); return FAILED; } @@ -325,7 +327,7 @@ static status_t process_id(private_ike_auth_t *this, message_t *message) req = this->ike_sa->get_other_id(this->ike_sa); if (!id->matches(id, req)) { - SIG_IKE(UP_FAILED, "peer ID '%D' unacceptable, '%D' required", id, req); + DBG0(DBG_IKE, "peer ID '%D' unacceptable, '%D' required", id, req); id->destroy(id); return FAILED; } @@ -402,7 +404,7 @@ static status_t build_auth_eap(private_ike_auth_t *this, message_t *message) if (auth->build(auth, this->my_packet->get_data(this->my_packet), this->other_nonce, &auth_payload) != SUCCESS) { - SIG_IKE(UP_FAILED, "generating authentication data failed"); + DBG1(DBG_IKE, "generating authentication data failed"); if (!this->initiator) { message->add_notify(message, TRUE, AUTHENTICATION_FAILED, chunk_empty); @@ -413,13 +415,13 @@ static status_t build_auth_eap(private_ike_auth_t *this, message_t *message) if (!this->initiator) { this->ike_sa->set_state(this->ike_sa, IKE_ESTABLISHED); - SIG_IKE(UP_SUCCESS, "IKE_SA %s[%d] established between %H[%D]...%H[%D]", - this->ike_sa->get_name(this->ike_sa), - this->ike_sa->get_unique_id(this->ike_sa), - this->ike_sa->get_my_host(this->ike_sa), - this->ike_sa->get_my_id(this->ike_sa), - this->ike_sa->get_other_host(this->ike_sa), - this->ike_sa->get_other_id(this->ike_sa)); + DBG0(DBG_IKE, "IKE_SA %s[%d] established between %H[%D]...%H[%D]", + this->ike_sa->get_name(this->ike_sa), + this->ike_sa->get_unique_id(this->ike_sa), + this->ike_sa->get_my_host(this->ike_sa), + this->ike_sa->get_my_id(this->ike_sa), + this->ike_sa->get_other_host(this->ike_sa), + this->ike_sa->get_other_id(this->ike_sa)); return SUCCESS; } return NEED_MORE; @@ -448,7 +450,7 @@ static status_t process_auth_eap(private_ike_auth_t *this, message_t *message) if (!this->peer_authenticated) { - SIG_IKE(UP_FAILED, "authentication of '%D' with %N failed", + DBG0(DBG_IKE, "authentication of '%D' with %N failed", this->ike_sa->get_other_id(this->ike_sa), auth_class_names, AUTH_CLASS_EAP); if (this->initiator) @@ -460,13 +462,13 @@ static status_t process_auth_eap(private_ike_auth_t *this, message_t *message) if (this->initiator) { this->ike_sa->set_state(this->ike_sa, IKE_ESTABLISHED); - SIG_IKE(UP_SUCCESS, "IKE_SA %s[%d] established between %H[%D]...%H[%D]", - this->ike_sa->get_name(this->ike_sa), - this->ike_sa->get_unique_id(this->ike_sa), - this->ike_sa->get_my_host(this->ike_sa), - this->ike_sa->get_my_id(this->ike_sa), - this->ike_sa->get_other_host(this->ike_sa), - this->ike_sa->get_other_id(this->ike_sa)); + DBG0(DBG_IKE, "IKE_SA %s[%d] established between %H[%D]...%H[%D]", + this->ike_sa->get_name(this->ike_sa), + this->ike_sa->get_unique_id(this->ike_sa), + this->ike_sa->get_my_host(this->ike_sa), + this->ike_sa->get_my_id(this->ike_sa), + this->ike_sa->get_other_host(this->ike_sa), + this->ike_sa->get_other_id(this->ike_sa)); return SUCCESS; } return NEED_MORE; @@ -482,7 +484,7 @@ static status_t process_eap_i(private_ike_auth_t *this, message_t *message) eap = (eap_payload_t*)message->get_payload(message, EXTENSIBLE_AUTHENTICATION); if (eap == NULL) { - SIG_IKE(UP_FAILED, "EAP payload missing"); + DBG1(DBG_IKE, "EAP payload missing"); return FAILED; } switch (this->eap_auth->process(this->eap_auth, eap, &eap)) @@ -498,7 +500,7 @@ static status_t process_eap_i(private_ike_auth_t *this, message_t *message) return NEED_MORE; default: this->eap_payload = NULL; - SIG_IKE(UP_FAILED, "failed to authenticate against '%D' using EAP", + DBG0(DBG_IKE, "failed to authenticate against '%D' using EAP", this->ike_sa->get_other_id(this->ike_sa)); return FAILED; } @@ -533,7 +535,7 @@ static status_t build_eap_r(private_ike_auth_t *this, message_t *message) if (this->eap_payload == NULL) { - SIG_IKE(UP_FAILED, "EAP payload missing"); + DBG1(DBG_IKE, "EAP payload missing"); return FAILED; } @@ -548,9 +550,9 @@ static status_t build_eap_r(private_ike_auth_t *this, message_t *message) this->public.task.process = (status_t(*)(task_t*,message_t*))process_auth_eap; break; default: - SIG_IKE(UP_FAILED, "authentication of '%D' with %N failed", - this->ike_sa->get_other_id(this->ike_sa), - auth_class_names, AUTH_CLASS_EAP); + DBG0(DBG_IKE, "authentication of '%D' with %N failed", + this->ike_sa->get_other_id(this->ike_sa), + auth_class_names, AUTH_CLASS_EAP); status = FAILED; break; } @@ -665,9 +667,9 @@ static status_t build_r(private_ike_auth_t *this, message_t *message) config = this->ike_sa->get_peer_cfg(this->ike_sa); if (config == NULL) { - SIG_IKE(UP_FAILED, "no matching config found for '%D'...'%D'", - this->ike_sa->get_my_id(this->ike_sa), - this->ike_sa->get_other_id(this->ike_sa)); + DBG1(DBG_IKE, "no matching config found for '%D'...'%D'", + this->ike_sa->get_my_id(this->ike_sa), + this->ike_sa->get_other_id(this->ike_sa)); message->add_notify(message, TRUE, AUTHENTICATION_FAILED, chunk_empty); return FAILED; } @@ -689,13 +691,13 @@ static status_t build_r(private_ike_auth_t *this, message_t *message) if (this->peer_authenticated) { this->ike_sa->set_state(this->ike_sa, IKE_ESTABLISHED); - SIG_IKE(UP_SUCCESS, "IKE_SA %s[%d] established between %H[%D]...%H[%D]", - this->ike_sa->get_name(this->ike_sa), - this->ike_sa->get_unique_id(this->ike_sa), - this->ike_sa->get_my_host(this->ike_sa), - this->ike_sa->get_my_id(this->ike_sa), - this->ike_sa->get_other_host(this->ike_sa), - this->ike_sa->get_other_id(this->ike_sa)); + DBG0(DBG_IKE, "IKE_SA %s[%d] established between %H[%D]...%H[%D]", + this->ike_sa->get_name(this->ike_sa), + this->ike_sa->get_unique_id(this->ike_sa), + this->ike_sa->get_my_host(this->ike_sa), + this->ike_sa->get_my_id(this->ike_sa), + this->ike_sa->get_other_host(this->ike_sa), + this->ike_sa->get_other_id(this->ike_sa)); return SUCCESS; } @@ -706,7 +708,7 @@ static status_t build_r(private_ike_auth_t *this, message_t *message) message->add_payload(message, (payload_t*)eap_payload); if (status != NEED_MORE) { - SIG_IKE(UP_FAILED, "unable to initiate EAP authentication"); + DBG1(DBG_IKE, "unable to initiate EAP authentication"); return FAILED; } @@ -766,7 +768,7 @@ static status_t process_i(private_ike_auth_t *this, message_t *message) { if (type < 16383) { - SIG_IKE(UP_FAILED, "received %N notify error", + DBG1(DBG_IKE, "received %N notify error", notify_type_names, type); iterator->destroy(iterator); return FAILED; @@ -798,18 +800,18 @@ static status_t process_i(private_ike_auth_t *this, message_t *message) auth = this->ike_sa->get_other_auth(this->ike_sa); if (!auth->complies(auth, config->get_auth(config))) { - SIG_IKE(UP_FAILED, "authorization of '%D' for config %s failed", + DBG0(DBG_IKE, "authorization of '%D' for config %s failed", this->ike_sa->get_other_id(this->ike_sa), config->get_name(config)); return FAILED; } this->ike_sa->set_state(this->ike_sa, IKE_ESTABLISHED); - SIG_IKE(UP_SUCCESS, "IKE_SA %s[%d] established between %H[%D]...%H[%D]", - this->ike_sa->get_name(this->ike_sa), - this->ike_sa->get_unique_id(this->ike_sa), - this->ike_sa->get_my_host(this->ike_sa), - this->ike_sa->get_my_id(this->ike_sa), - this->ike_sa->get_other_host(this->ike_sa), - this->ike_sa->get_other_id(this->ike_sa)); + DBG0(DBG_IKE, "IKE_SA %s[%d] established between %H[%D]...%H[%D]", + this->ike_sa->get_name(this->ike_sa), + this->ike_sa->get_unique_id(this->ike_sa), + this->ike_sa->get_my_host(this->ike_sa), + this->ike_sa->get_my_id(this->ike_sa), + this->ike_sa->get_other_host(this->ike_sa), + this->ike_sa->get_other_id(this->ike_sa)); return SUCCESS; } diff --git a/src/charon/sa/tasks/ike_auth_lifetime.c b/src/charon/sa/tasks/ike_auth_lifetime.c index 2d18c6a1e..cb17cc2dc 100644 --- a/src/charon/sa/tasks/ike_auth_lifetime.c +++ b/src/charon/sa/tasks/ike_auth_lifetime.c @@ -12,11 +12,13 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: ike_auth_lifetime.c 3589 2008-03-13 14:14:44Z martin $ + * $Id: ike_auth_lifetime.c 4576 2008-11-05 08:32:38Z martin $ */ #include "ike_auth_lifetime.h" +#include <time.h> + #include <daemon.h> #include <encoding/payloads/notify_payload.h> @@ -47,9 +49,10 @@ static void add_auth_lifetime(private_ike_auth_lifetime_t *this, message_t *mess chunk_t chunk; u_int32_t lifetime; - lifetime = this->ike_sa->get_statistic(this->ike_sa, STAT_REAUTH_TIME); + lifetime = this->ike_sa->get_statistic(this->ike_sa, STAT_REAUTH); if (lifetime) { + lifetime -= time(NULL); chunk = chunk_from_thing(lifetime); *(u_int32_t*)chunk.ptr = htonl(lifetime); message->add_notify(message, FALSE, AUTH_LIFETIME, chunk); diff --git a/src/charon/sa/tasks/ike_delete.c b/src/charon/sa/tasks/ike_delete.c index 295f908cb..1c051853c 100644 --- a/src/charon/sa/tasks/ike_delete.c +++ b/src/charon/sa/tasks/ike_delete.c @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: ike_delete.c 4211 2008-07-23 18:46:34Z andreas $ + * $Id: ike_delete.c 4458 2008-10-17 03:44:06Z andreas $ */ #include "ike_delete.h" @@ -56,21 +56,21 @@ static status_t build_i(private_ike_delete_t *this, message_t *message) { delete_payload_t *delete_payload; - SIG_IKE(DOWN_START, "deleting IKE_SA %s[%d] between %H[%D]...%H[%D]", - this->ike_sa->get_name(this->ike_sa), - this->ike_sa->get_unique_id(this->ike_sa), - this->ike_sa->get_my_host(this->ike_sa), - this->ike_sa->get_my_id(this->ike_sa), - this->ike_sa->get_other_host(this->ike_sa), - this->ike_sa->get_other_id(this->ike_sa)); + DBG0(DBG_IKE, "deleting IKE_SA %s[%d] between %H[%D]...%H[%D]", + this->ike_sa->get_name(this->ike_sa), + this->ike_sa->get_unique_id(this->ike_sa), + this->ike_sa->get_my_host(this->ike_sa), + this->ike_sa->get_my_id(this->ike_sa), + this->ike_sa->get_other_host(this->ike_sa), + this->ike_sa->get_other_id(this->ike_sa)); delete_payload = delete_payload_create(PROTO_IKE); message->add_payload(message, (payload_t*)delete_payload); this->ike_sa->set_state(this->ike_sa, IKE_DELETING); DBG1(DBG_IKE, "sending DELETE for IKE_SA %s[%d]", - this->ike_sa->get_name(this->ike_sa), - this->ike_sa->get_unique_id(this->ike_sa)); + this->ike_sa->get_name(this->ike_sa), + this->ike_sa->get_unique_id(this->ike_sa)); return NEED_MORE; } @@ -80,6 +80,7 @@ static status_t build_i(private_ike_delete_t *this, message_t *message) */ static status_t process_i(private_ike_delete_t *this, message_t *message) { + DBG0(DBG_IKE, "IKE_SA deleted"); /* completed, delete IKE_SA by returning FAILED */ return FAILED; } @@ -92,15 +93,15 @@ static status_t process_r(private_ike_delete_t *this, message_t *message) /* we don't even scan the payloads, as the message wouldn't have * come so far without being correct */ DBG1(DBG_IKE, "received DELETE for IKE_SA %s[%d]", - this->ike_sa->get_name(this->ike_sa), - this->ike_sa->get_unique_id(this->ike_sa)); - SIG_IKE(DOWN_START, "deleting IKE_SA %s[%d] between %H[%D]...%H[%D]", - this->ike_sa->get_name(this->ike_sa), - this->ike_sa->get_unique_id(this->ike_sa), - this->ike_sa->get_my_host(this->ike_sa), - this->ike_sa->get_my_id(this->ike_sa), - this->ike_sa->get_other_host(this->ike_sa), - this->ike_sa->get_other_id(this->ike_sa)); + this->ike_sa->get_name(this->ike_sa), + this->ike_sa->get_unique_id(this->ike_sa)); + DBG0(DBG_IKE, "deleting IKE_SA %s[%d] between %H[%D]...%H[%D]", + this->ike_sa->get_name(this->ike_sa), + this->ike_sa->get_unique_id(this->ike_sa), + this->ike_sa->get_my_host(this->ike_sa), + this->ike_sa->get_my_id(this->ike_sa), + this->ike_sa->get_other_host(this->ike_sa), + this->ike_sa->get_other_id(this->ike_sa)); switch (this->ike_sa->get_state(this->ike_sa)) { @@ -123,7 +124,7 @@ static status_t process_r(private_ike_delete_t *this, message_t *message) */ static status_t build_r(private_ike_delete_t *this, message_t *message) { - SIG_IKE(DOWN_SUCCESS, "IKE_SA deleted"); + DBG0(DBG_IKE, "IKE_SA deleted"); if (this->simultaneous) { diff --git a/src/charon/sa/tasks/ike_init.c b/src/charon/sa/tasks/ike_init.c index 609b37a39..bd2cd39bb 100644 --- a/src/charon/sa/tasks/ike_init.c +++ b/src/charon/sa/tasks/ike_init.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2008 Tobias Brunner - * Copyright (C) 2005-2007 Martin Willi + * Copyright (C) 2005-2008 Martin Willi * Copyright (C) 2005 Jan Hutter * Hochschule fuer Technik Rapperswil * @@ -14,7 +14,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: ike_init.c 4206 2008-07-22 17:10:10Z andreas $ + * $Id: ike_init.c 4531 2008-10-30 12:58:54Z martin $ */ #include "ike_init.h" @@ -64,11 +64,16 @@ struct private_ike_init_t { diffie_hellman_group_t dh_group; /** - * Diffie hellman object used to generate public DH value. + * diffie hellman key exchange */ diffie_hellman_t *dh; /** + * Keymat derivation (from IKE_SA) + */ + keymat_t *keymat; + + /** * nonce chosen by us */ chunk_t my_nonce; @@ -192,7 +197,8 @@ static void process_payloads(private_ike_init_t *this, message_t *message) this->dh_group = ke_payload->get_dh_group_number(ke_payload); if (!this->initiator) { - this->dh = lib->crypto->create_dh(lib->crypto, this->dh_group); + this->dh = this->keymat->create_dh(this->keymat, + this->dh_group); } if (this->dh) { @@ -230,26 +236,26 @@ static status_t build_i(private_ike_init_t *this, message_t *message) rng_t *rng; this->config = this->ike_sa->get_ike_cfg(this->ike_sa); - SIG_IKE(UP_START, "initiating IKE_SA %s[%d] to %H", - this->ike_sa->get_name(this->ike_sa), - this->ike_sa->get_unique_id(this->ike_sa), - this->ike_sa->get_other_host(this->ike_sa)); + DBG0(DBG_IKE, "initiating IKE_SA %s[%d] to %H", + this->ike_sa->get_name(this->ike_sa), + this->ike_sa->get_unique_id(this->ike_sa), + this->ike_sa->get_other_host(this->ike_sa)); this->ike_sa->set_state(this->ike_sa, IKE_CONNECTING); if (this->retry++ >= MAX_RETRIES) { - SIG_IKE(UP_FAILED, "giving up after %d retries", MAX_RETRIES); + DBG1(DBG_IKE, "giving up after %d retries", MAX_RETRIES); return FAILED; } - + /* if the DH group is set via use_dh_group(), we already have a DH object */ if (!this->dh) { this->dh_group = this->config->get_dh_group(this->config); - this->dh = lib->crypto->create_dh(lib->crypto, this->dh_group); - if (this->dh == NULL) + this->dh = this->keymat->create_dh(this->keymat, this->dh_group); + if (!this->dh) { - SIG_IKE(UP_FAILED, "configured DH group %N not supported", + DBG1(DBG_IKE, "configured DH group %N not supported", diffie_hellman_group_names, this->dh_group); return FAILED; } @@ -261,7 +267,7 @@ static status_t build_i(private_ike_init_t *this, message_t *message) rng = lib->crypto->create_rng(lib->crypto, RNG_WEAK); if (!rng) { - SIG_IKE(UP_FAILED, "error generating nonce"); + DBG1(DBG_IKE, "error generating nonce"); return FAILED; } rng->allocate_bytes(rng, NONCE_SIZE, &this->my_nonce); @@ -296,8 +302,7 @@ static status_t process_r(private_ike_init_t *this, message_t *message) rng_t *rng; this->config = this->ike_sa->get_ike_cfg(this->ike_sa); - SIG_IKE(UP_START, "%H is initiating an IKE_SA", - message->get_source(message)); + DBG0(DBG_IKE, "%H is initiating an IKE_SA", message->get_source(message)); this->ike_sa->set_state(this->ike_sa, IKE_CONNECTING); rng = lib->crypto->create_rng(lib->crypto, RNG_WEAK); @@ -369,30 +374,30 @@ static status_t process_r(private_ike_init_t *this, message_t *message) */ static status_t build_r(private_ike_init_t *this, message_t *message) { - chunk_t secret; - status_t status; - + keymat_t *old_keymat = NULL; + ike_sa_id_t *id; + /* check if we have everything we need */ if (this->proposal == NULL || this->other_nonce.len == 0 || this->my_nonce.len == 0) { - SIG_IKE(UP_FAILED, "received proposals inacceptable"); + DBG1(DBG_IKE, "received proposals inacceptable"); message->add_notify(message, TRUE, NO_PROPOSAL_CHOSEN, chunk_empty); return FAILED; } + this->ike_sa->set_proposal(this->ike_sa, this->proposal); if (this->dh == NULL || - !this->proposal->has_dh_group(this->proposal, this->dh_group) || - this->dh->get_shared_secret(this->dh, &secret) != SUCCESS) + !this->proposal->has_dh_group(this->proposal, this->dh_group)) { u_int16_t group; if (this->proposal->get_algorithm(this->proposal, DIFFIE_HELLMAN_GROUP, &group, NULL)) { - SIG_CHD(UP_FAILED, NULL, "DH group %N inacceptable, requesting %N", - diffie_hellman_group_names, this->dh_group, - diffie_hellman_group_names, group); + DBG1(DBG_IKE, "DH group %N inacceptable, requesting %N", + diffie_hellman_group_names, this->dh_group, + diffie_hellman_group_names, group); this->dh_group = group; group = htons(group); message->add_notify(message, FALSE, INVALID_KE_PAYLOAD, @@ -400,49 +405,28 @@ static status_t build_r(private_ike_init_t *this, message_t *message) } else { - SIG_IKE(UP_FAILED, "no acceptable proposal found"); + DBG1(DBG_IKE, "no acceptable proposal found"); } return FAILED; } + id = this->ike_sa->get_id(this->ike_sa); if (this->old_sa) - { - ike_sa_id_t *id; - prf_t *prf, *child_prf; - - /* Apply SPI if we are rekeying */ - id = this->ike_sa->get_id(this->ike_sa); + { /* rekeying: Apply SPI, include keymat from old SA in key derivation */ id->set_initiator_spi(id, this->proposal->get_spi(this->proposal)); - - /* setup crypto keys for the rekeyed SA */ - prf = this->old_sa->get_prf(this->old_sa); - child_prf = this->old_sa->get_child_prf(this->old_sa); - status = this->ike_sa->derive_keys(this->ike_sa, this->proposal, secret, - this->other_nonce, this->my_nonce, - FALSE, child_prf, prf); + old_keymat = this->old_sa->get_keymat(this->old_sa); } - else + if (!this->keymat->derive_ike_keys(this->keymat, this->proposal, this->dh, + this->other_nonce, this->my_nonce, id, old_keymat)) { - /* setup crypto keys */ - status = this->ike_sa->derive_keys(this->ike_sa, this->proposal, secret, - this->other_nonce, this->my_nonce, - FALSE, NULL, NULL); - } - if (status != SUCCESS) - { - SIG_IKE(UP_FAILED, "key derivation failed"); + DBG1(DBG_IKE, "key derivation failed"); message->add_notify(message, TRUE, NO_PROPOSAL_CHOSEN, chunk_empty); return FAILED; } - - /* Keep the selected IKE proposal for status information purposes */ - { - char buf[BUF_LEN]; - - snprintf(buf, BUF_LEN, "%P", this->proposal); - this->ike_sa->set_proposal(this->ike_sa, buf+4); - } - + + charon->bus->ike_keys(charon->bus, this->ike_sa, this->dh, + this->other_nonce, this->my_nonce, this->old_sa); + build_payloads(this, message); return SUCCESS; } @@ -452,8 +436,8 @@ static status_t build_r(private_ike_init_t *this, message_t *message) */ static status_t process_i(private_ike_init_t *this, message_t *message) { - chunk_t secret; - status_t status; + keymat_t *old_keymat = NULL; + ike_sa_id_t *id; iterator_t *iterator; payload_t *payload; @@ -505,7 +489,7 @@ static status_t process_i(private_ike_init_t *this, message_t *message) { if (type < 16383) { - SIG_IKE(UP_FAILED, "received %N notify error", + DBG1(DBG_IKE, "received %N notify error", notify_type_names, type); iterator->destroy(iterator); return FAILED; @@ -525,55 +509,34 @@ static status_t process_i(private_ike_init_t *this, message_t *message) if (this->proposal == NULL || this->other_nonce.len == 0 || this->my_nonce.len == 0) { - SIG_IKE(UP_FAILED, "peer's proposal selection invalid"); + DBG1(DBG_IKE, "peers proposal selection invalid"); return FAILED; } + this->ike_sa->set_proposal(this->ike_sa, this->proposal); if (this->dh == NULL || - !this->proposal->has_dh_group(this->proposal, this->dh_group) || - this->dh->get_shared_secret(this->dh, &secret) != SUCCESS) + !this->proposal->has_dh_group(this->proposal, this->dh_group)) { - SIG_IKE(UP_FAILED, "peer's DH group selection invalid"); + DBG1(DBG_IKE, "peer DH group selection invalid"); return FAILED; } - /* Apply SPI if we are rekeying */ + id = this->ike_sa->get_id(this->ike_sa); if (this->old_sa) - { - ike_sa_id_t *id; - prf_t *prf, *child_prf; - - id = this->ike_sa->get_id(this->ike_sa); + { /* rekeying: Apply SPI, include keymat from old SA in key derivation */ id->set_responder_spi(id, this->proposal->get_spi(this->proposal)); - - /* setup crypto keys for the rekeyed SA */ - prf = this->old_sa->get_prf(this->old_sa); - child_prf = this->old_sa->get_child_prf(this->old_sa); - status = this->ike_sa->derive_keys(this->ike_sa, this->proposal, secret, - this->my_nonce, this->other_nonce, - TRUE, child_prf, prf); + old_keymat = this->old_sa->get_keymat(this->old_sa); } - else + if (!this->keymat->derive_ike_keys(this->keymat, this->proposal, this->dh, + this->my_nonce, this->other_nonce, id, old_keymat)) { - /* setup crypto keys for a new SA */ - status = this->ike_sa->derive_keys(this->ike_sa, this->proposal, secret, - this->my_nonce, this->other_nonce, - TRUE, NULL, NULL); - } - if (status != SUCCESS) - { - SIG_IKE(UP_FAILED, "key derivation failed"); + DBG1(DBG_IKE, "key derivation failed"); return FAILED; } - - /* Keep the selected IKE proposal for status information purposes */ - { - char buf[BUF_LEN]; - - snprintf(buf, BUF_LEN, "%P", this->proposal); - this->ike_sa->set_proposal(this->ike_sa, buf+4); - } - + + charon->bus->ike_keys(charon->bus, this->ike_sa, this->dh, + this->my_nonce, this->other_nonce, this->old_sa); + return SUCCESS; } @@ -607,12 +570,12 @@ static chunk_t get_lower_nonce(private_ike_init_t *this) static void migrate(private_ike_init_t *this, ike_sa_t *ike_sa) { DESTROY_IF(this->proposal); - DESTROY_IF(this->dh); chunk_free(&this->other_nonce); this->ike_sa = ike_sa; this->proposal = NULL; - this->dh = lib->crypto->create_dh(lib->crypto, this->dh_group); + DESTROY_IF(this->dh); + this->dh = this->keymat->create_dh(this->keymat, this->dh_group); } /** @@ -620,8 +583,8 @@ static void migrate(private_ike_init_t *this, ike_sa_t *ike_sa) */ static void destroy(private_ike_init_t *this) { - DESTROY_IF(this->proposal); DESTROY_IF(this->dh); + DESTROY_IF(this->proposal); chunk_free(&this->my_nonce); chunk_free(&this->other_nonce); chunk_free(&this->cookie); @@ -654,6 +617,7 @@ ike_init_t *ike_init_create(ike_sa_t *ike_sa, bool initiator, ike_sa_t *old_sa) this->initiator = initiator; this->dh_group = MODP_NONE; this->dh = NULL; + this->keymat = ike_sa->get_keymat(ike_sa); this->my_nonce = chunk_empty; this->other_nonce = chunk_empty; this->cookie = chunk_empty; diff --git a/src/charon/sa/tasks/ike_me.c b/src/charon/sa/tasks/ike_me.c index a203dee58..f58d51341 100644 --- a/src/charon/sa/tasks/ike_me.c +++ b/src/charon/sa/tasks/ike_me.c @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: ike_me.c 4355 2008-09-25 07:56:58Z tobias $ + * $Id: ike_me.c 4640 2008-11-12 16:07:17Z martin $ */ #include "ike_me.h" @@ -461,8 +461,7 @@ static status_t process_i(private_ike_me_t *this, message_t *message) this->ike_sa->set_server_reflexive_host(this->ike_sa, endpoint->clone(endpoint)); } /* FIXME: what if it failed? e.g. AUTH failure */ - SIG_CHD(UP_SUCCESS, NULL, "established mediation connection " - "without CHILD_SA successfully"); + DBG1(DBG_IKE, "established mediation connection successfully"); break; } @@ -642,8 +641,7 @@ static status_t build_r_ms(private_ike_me_t *this, message_t *message) /* FIXME: we actually must delete any existing IKE_SAs with the same remote id */ this->ike_sa->act_as_mediation_server(this->ike_sa); - SIG_CHD(UP_SUCCESS, NULL, "established mediation connection " - "without CHILD_SA successfully"); + DBG1(DBG_IKE, "established mediation connection successfully"); break; } @@ -787,7 +785,7 @@ ike_me_t *ike_me_create(ike_sa_t *ike_sa, bool initiator) this->public.task.migrate = (void(*)(task_t*,ike_sa_t*))migrate; this->public.task.destroy = (void(*)(task_t*))destroy; - if (ike_sa->is_ike_initiator(ike_sa)) + if (ike_sa->has_condition(ike_sa, COND_ORIGINAL_INITIATOR)) { if (initiator) { diff --git a/src/charon/sa/tasks/ike_mobike.c b/src/charon/sa/tasks/ike_mobike.c index f6ee3f6ad..a791d1892 100644 --- a/src/charon/sa/tasks/ike_mobike.c +++ b/src/charon/sa/tasks/ike_mobike.c @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: ike_mobike.c 4394 2008-10-09 08:25:11Z martin $ + * $Id: ike_mobike.c 4618 2008-11-11 09:22:00Z tobias $ */ #include "ike_mobike.h" @@ -251,10 +251,16 @@ static void update_children(private_ike_mobike_t *this) iterator = this->ike_sa->create_child_sa_iterator(this->ike_sa); while (iterator->iterate(iterator, (void**)&child_sa)) { - child_sa->update_hosts(child_sa, - this->ike_sa->get_my_host(this->ike_sa), - this->ike_sa->get_other_host(this->ike_sa), - this->ike_sa->has_condition(this->ike_sa, COND_NAT_ANY)); + if (child_sa->update_hosts(child_sa, + this->ike_sa->get_my_host(this->ike_sa), + this->ike_sa->get_other_host(this->ike_sa), + this->ike_sa->get_virtual_ip(this->ike_sa, TRUE), + this->ike_sa->has_condition(this->ike_sa, COND_NAT_ANY)) == NOT_SUPPORTED) + { + this->ike_sa->rekey_child_sa(this->ike_sa, + child_sa->get_protocol(child_sa), + child_sa->get_spi(child_sa, TRUE)); + } } iterator->destroy(iterator); } diff --git a/src/charon/sa/tasks/ike_reauth.c b/src/charon/sa/tasks/ike_reauth.c index b84b2a387..61701075f 100644 --- a/src/charon/sa/tasks/ike_reauth.c +++ b/src/charon/sa/tasks/ike_reauth.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006-2007 Martin Willi + * Copyright (C) 2006-2008 Martin Willi * Hochschule fuer Technik Rapperswil * * This program is free software; you can redistribute it and/or modify it @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: ike_reauth.c 4211 2008-07-23 18:46:34Z andreas $ + * $Id: ike_reauth.c 4495 2008-10-28 16:07:06Z martin $ */ #include "ike_reauth.h" @@ -65,7 +65,6 @@ static status_t process_i(private_ike_reauth_t *this, message_t *message) /* process delete response first */ this->ike_delete->task.process(&this->ike_delete->task, message); - SIG_IKE(DOWN_SUCCESS, "IKE_SA deleted"); peer_cfg = this->ike_sa->get_peer_cfg(this->ike_sa); @@ -105,6 +104,8 @@ static status_t process_i(private_ike_reauth_t *this, message_t *message) { charon->ike_sa_manager->checkin_and_destroy( charon->ike_sa_manager, new); + /* set threads active IKE_SA after checkin */ + charon->bus->set_sa(charon->bus, this->ike_sa); DBG1(DBG_IKE, "reauthenticating IKE_SA failed"); return FAILED; } @@ -132,6 +133,8 @@ static status_t process_i(private_ike_reauth_t *this, message_t *message) iterator->destroy(iterator); charon->ike_sa_manager->checkin_and_destroy( charon->ike_sa_manager, new); + /* set threads active IKE_SA after checkin */ + charon->bus->set_sa(charon->bus, this->ike_sa); DBG1(DBG_IKE, "reauthenticating IKE_SA failed"); return FAILED; } @@ -141,6 +144,8 @@ static status_t process_i(private_ike_reauth_t *this, message_t *message) } iterator->destroy(iterator); charon->ike_sa_manager->checkin(charon->ike_sa_manager, new); + /* set threads active IKE_SA after checkin */ + charon->bus->set_sa(charon->bus, this->ike_sa); /* we always return failed to delete the obsolete IKE_SA */ return FAILED; diff --git a/src/charon/sa/tasks/ike_rekey.c b/src/charon/sa/tasks/ike_rekey.c index 6c4ef4354..28d63cca7 100644 --- a/src/charon/sa/tasks/ike_rekey.c +++ b/src/charon/sa/tasks/ike_rekey.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2005-2007 Martin Willi + * Copyright (C) 2005-2008 Martin Willi * Copyright (C) 2005 Jan Hutter * Hochschule fuer Technik Rapperswil * @@ -13,7 +13,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: ike_rekey.c 4211 2008-07-23 18:46:34Z andreas $ + * $Id: ike_rekey.c 4659 2008-11-14 14:05:47Z martin $ */ #include "ike_rekey.h" @@ -144,7 +144,7 @@ static status_t build_r(private_ike_rekey_t *this, message_t *message) message->add_notify(message, TRUE, NO_PROPOSAL_CHOSEN, chunk_empty); return SUCCESS; } - + if (this->ike_init->task.build(&this->ike_init->task, message) == FAILED) { return SUCCESS; @@ -152,13 +152,13 @@ static status_t build_r(private_ike_rekey_t *this, message_t *message) this->ike_sa->set_state(this->ike_sa, IKE_REKEYING); this->new_sa->set_state(this->new_sa, IKE_ESTABLISHED); - SIG_IKE(UP_SUCCESS, "IKE_SA %s[%d] established between %H[%D]...%H[%D]", - this->new_sa->get_name(this->new_sa), - this->new_sa->get_unique_id(this->new_sa), - this->ike_sa->get_my_host(this->ike_sa), - this->ike_sa->get_my_id(this->ike_sa), - this->ike_sa->get_other_host(this->ike_sa), - this->ike_sa->get_other_id(this->ike_sa)); + DBG0(DBG_IKE, "IKE_SA %s[%d] established between %H[%D]...%H[%D]", + this->new_sa->get_name(this->new_sa), + this->new_sa->get_unique_id(this->new_sa), + this->ike_sa->get_my_host(this->ike_sa), + this->ike_sa->get_my_id(this->ike_sa), + this->ike_sa->get_other_host(this->ike_sa), + this->ike_sa->get_other_id(this->ike_sa)); return SUCCESS; } @@ -170,7 +170,32 @@ static status_t process_i(private_ike_rekey_t *this, message_t *message) { job_t *job; ike_sa_id_t *to_delete; + iterator_t *iterator; + payload_t *payload; + /* handle NO_ADDITIONAL_SAS notify */ + iterator = message->get_payload_iterator(message); + while (iterator->iterate(iterator, (void**)&payload)) + { + if (payload->get_type(payload) == NOTIFY) + { + notify_payload_t *notify = (notify_payload_t*)payload; + + if (notify->get_notify_type(notify) == NO_ADDITIONAL_SAS) + { + DBG1(DBG_IKE, "peer seems to not support IKE rekeying, " + "starting reauthentication"); + this->ike_sa->set_state(this->ike_sa, IKE_ESTABLISHED); + charon->processor->queue_job(charon->processor, + (job_t*)rekey_ike_sa_job_create( + this->ike_sa->get_id(this->ike_sa), TRUE)); + iterator->destroy(iterator); + return SUCCESS; + } + } + } + iterator->destroy(iterator); + switch (this->ike_init->task.process(&this->ike_init->task, message)) { case FAILED: @@ -198,13 +223,13 @@ static status_t process_i(private_ike_rekey_t *this, message_t *message) } this->new_sa->set_state(this->new_sa, IKE_ESTABLISHED); - SIG_IKE(UP_SUCCESS, "IKE_SA %s[%d] established between %H[%D]...%H[%D]", - this->new_sa->get_name(this->new_sa), - this->new_sa->get_unique_id(this->new_sa), - this->ike_sa->get_my_host(this->ike_sa), - this->ike_sa->get_my_id(this->ike_sa), - this->ike_sa->get_other_host(this->ike_sa), - this->ike_sa->get_other_id(this->ike_sa)); + DBG0(DBG_IKE, "IKE_SA %s[%d] established between %H[%D]...%H[%D]", + this->new_sa->get_name(this->new_sa), + this->new_sa->get_unique_id(this->new_sa), + this->ike_sa->get_my_host(this->ike_sa), + this->ike_sa->get_my_id(this->ike_sa), + this->ike_sa->get_other_host(this->ike_sa), + this->ike_sa->get_other_id(this->ike_sa)); to_delete = this->ike_sa->get_id(this->ike_sa); @@ -242,6 +267,8 @@ static status_t process_i(private_ike_rekey_t *this, message_t *message) this->new_sa = other->new_sa; other->new_sa = NULL; } + /* set threads active IKE_SA after checkin */ + charon->bus->set_sa(charon->bus, this->ike_sa); } job = (job_t*)delete_ike_sa_job_create(to_delete, TRUE); @@ -277,6 +304,8 @@ static void migrate(private_ike_rekey_t *this, ike_sa_t *ike_sa) { charon->ike_sa_manager->checkin_and_destroy(charon->ike_sa_manager, this->new_sa); + /* set threads active IKE_SA after checkin */ + charon->bus->set_sa(charon->bus, this->ike_sa); } DESTROY_IF(this->collision); @@ -303,6 +332,8 @@ static void destroy(private_ike_rekey_t *this) charon->ike_sa_manager->checkin_and_destroy(charon->ike_sa_manager, this->new_sa); } + /* set threads active IKE_SA after checkin */ + charon->bus->set_sa(charon->bus, this->ike_sa); } if (this->ike_init) { diff --git a/src/charon/sa/tasks/task.c b/src/charon/sa/tasks/task.c index 3192b688a..fd15379f3 100644 --- a/src/charon/sa/tasks/task.c +++ b/src/charon/sa/tasks/task.c @@ -13,11 +13,12 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: task.c 3666 2008-03-26 18:40:19Z tobias $ + * $Id: task.c 4618 2008-11-11 09:22:00Z tobias $ */ #include "task.h" +#ifdef ME ENUM(task_type_names, IKE_INIT, CHILD_REKEY, "IKE_INIT", "IKE_NATD", @@ -31,11 +32,27 @@ ENUM(task_type_names, IKE_INIT, CHILD_REKEY, "IKE_REAUTH", "IKE_DELETE", "IKE_DPD", -#ifdef ME "IKE_ME", -#endif /* ME */ "CHILD_CREATE", "CHILD_DELETE", "CHILD_REKEY", ); - +#else +ENUM(task_type_names, IKE_INIT, CHILD_REKEY, + "IKE_INIT", + "IKE_NATD", + "IKE_MOBIKE", + "IKE_AUTHENTICATE", + "IKE_AUTH_LIFETIME", + "IKE_CERT_PRE", + "IKE_CERT_POST", + "IKE_CONFIG", + "IKE_REKEY", + "IKE_REAUTH", + "IKE_DELETE", + "IKE_DPD", + "CHILD_CREATE", + "CHILD_DELETE", + "CHILD_REKEY", +); +#endif /* ME */ diff --git a/src/dumm/Makefile.am b/src/dumm/Makefile.am index 11d65bba9..029290fb6 100644 --- a/src/dumm/Makefile.am +++ b/src/dumm/Makefile.am @@ -11,8 +11,8 @@ irdumm_SOURCES = irdumm.c libdumm_la_LIBADD = $(top_builddir)/src/libstrongswan/libstrongswan.la \ -lbridge -lfuse -lutil -dumm_LDADD = -ldumm ${gtk_LIBS} -irdumm_LDADD = -ldumm -lruby1.8 +dumm_LDADD = libdumm.la ${gtk_LIBS} +irdumm_LDADD = libdumm.la -lruby1.8 INCLUDES = -I$(top_srcdir)/src/libstrongswan ${gtk_CFLAGS} \ -I/usr/lib/ruby/1.8/i486-linux/ diff --git a/src/dumm/Makefile.in b/src/dumm/Makefile.in index 333e616d3..7c3f28191 100644 --- a/src/dumm/Makefile.in +++ b/src/dumm/Makefile.in @@ -61,10 +61,10 @@ PROGRAMS = $(ipsec_PROGRAMS) am_dumm_OBJECTS = main.$(OBJEXT) dumm_OBJECTS = $(am_dumm_OBJECTS) am__DEPENDENCIES_1 = -dumm_DEPENDENCIES = $(am__DEPENDENCIES_1) +dumm_DEPENDENCIES = libdumm.la $(am__DEPENDENCIES_1) am_irdumm_OBJECTS = irdumm.$(OBJEXT) irdumm_OBJECTS = $(am_irdumm_OBJECTS) -irdumm_DEPENDENCIES = +irdumm_DEPENDENCIES = libdumm.la DEFAULT_INCLUDES = -I.@am__isrc@ depcomp = $(SHELL) $(top_srcdir)/depcomp am__depfiles_maybe = depfiles @@ -230,8 +230,8 @@ irdumm_SOURCES = irdumm.c libdumm_la_LIBADD = $(top_builddir)/src/libstrongswan/libstrongswan.la \ -lbridge -lfuse -lutil -dumm_LDADD = -ldumm ${gtk_LIBS} -irdumm_LDADD = -ldumm -lruby1.8 +dumm_LDADD = libdumm.la ${gtk_LIBS} +irdumm_LDADD = libdumm.la -lruby1.8 INCLUDES = -I$(top_srcdir)/src/libstrongswan ${gtk_CFLAGS} \ -I/usr/lib/ruby/1.8/i486-linux/ diff --git a/src/dumm/dumm.c b/src/dumm/dumm.c index eaefddb60..cf8d9719c 100644 --- a/src/dumm/dumm.c +++ b/src/dumm/dumm.c @@ -87,7 +87,7 @@ static void delete_guest(private_dumm_t *this, guest_t *guest) guest->destroy(guest); if (len > 8 && len < 512) { - system(buf); + ignore_result(system(buf)); } } } @@ -280,7 +280,10 @@ dumm_t *dumm_create(char *dir) } if (dir) { - asprintf(&this->dir, "%s/%s", cwd, dir); + if (asprintf(&this->dir, "%s/%s", cwd, dir) < 0) + { + this->dir = NULL; + } } else { @@ -288,17 +291,21 @@ dumm_t *dumm_create(char *dir) } } this->template = NULL; - asprintf(&this->guest_dir, "%s/%s", this->dir, GUEST_DIR); + if (asprintf(&this->guest_dir, "%s/%s", this->dir, GUEST_DIR) < 0) + { + this->guest_dir = NULL; + } this->guests = linked_list_create(); this->bridges = linked_list_create(); - if (mkdir(this->guest_dir, PERME) < 0 && errno != EEXIST) + if (this->dir == NULL || this->guest_dir == NULL || + (mkdir(this->guest_dir, PERME) < 0 && errno != EEXIST)) { DBG1("creating guest directory '%s' failed: %m", this->guest_dir); destroy(this); return NULL; } - + load_guests(this); return &this->public; } diff --git a/src/dumm/ext/dumm.c b/src/dumm/ext/dumm.c index 97f14ef85..2610affc3 100644 --- a/src/dumm/ext/dumm.c +++ b/src/dumm/ext/dumm.c @@ -13,7 +13,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: dumm.c 4410 2008-10-10 11:20:04Z martin $ + * $Id: dumm.c 4447 2008-10-15 14:47:52Z martin $ */ #include <stdio.h> @@ -207,6 +207,22 @@ static VALUE guest_exec(VALUE self, VALUE cmd) block = rb_block_given_p(); Data_Get_Struct(self, guest_t, guest); if ((ret = guest->exec_str(guest, block ? (void*)exec_cb : NULL, TRUE, NULL, + "exec %s", StringValuePtr(cmd))) != 0) + { + rb_raise(rb_eRuntimeError, "executing command failed (%d)", ret); + } + return self; +} + +static VALUE guest_mconsole(VALUE self, VALUE cmd) +{ + guest_t *guest; + bool block; + int ret; + + block = rb_block_given_p(); + Data_Get_Struct(self, guest_t, guest); + if ((ret = guest->exec_str(guest, block ? (void*)exec_cb : NULL, TRUE, NULL, "%s", StringValuePtr(cmd))) != 0) { rb_raise(rb_eRuntimeError, "executing command failed (%d)", ret); @@ -310,6 +326,7 @@ static void guest_init() rb_define_method(rbc_guest, "stop", guest_stop, 0); rb_define_method(rbc_guest, "running?", guest_running, 0); rb_define_method(rbc_guest, "exec", guest_exec, 1); + rb_define_method(rbc_guest, "mconsole", guest_mconsole, 1); rb_define_method(rbc_guest, "add", guest_add_iface, 1); rb_define_method(rbc_guest, "[]", guest_get_iface, 1); rb_define_method(rbc_guest, "each", guest_each_iface, -1); diff --git a/src/dumm/guest.c b/src/dumm/guest.c index aed2a3e18..014a9113f 100644 --- a/src/dumm/guest.c +++ b/src/dumm/guest.c @@ -576,11 +576,22 @@ static private_guest_t *guest_create_generic(char *parent, char *name, if (*parent == '/' || getcwd(cwd, sizeof(cwd)) == NULL) { - asprintf(&this->dirname, "%s/%s", parent, name); + if (asprintf(&this->dirname, "%s/%s", parent, name) < 0) + { + this->dirname = NULL; + } } else { - asprintf(&this->dirname, "%s/%s/%s", cwd, parent, name); + if (asprintf(&this->dirname, "%s/%s/%s", cwd, parent, name) < 0) + { + this->dirname = NULL; + } + } + if (this->dirname == NULL) + { + free(this); + return NULL; } if (create) { diff --git a/src/dumm/guest.h b/src/dumm/guest.h index 0e48b1d06..19dc8a8bf 100644 --- a/src/dumm/guest.h +++ b/src/dumm/guest.h @@ -142,7 +142,7 @@ struct guest_t { bool (*load_template)(guest_t *this, char *parent); /** - * Execute a command in the guest. + * Execute a command on the guests mconsole. * * @param cb callback to call for each read block * @param data data to pass to callback @@ -154,20 +154,22 @@ struct guest_t { char *cmd, ...); /** - * Execute a command in the guest and return the output by lines or as combined - * string. + * Execute a command on the guests mconsole, with output formatter. * - * @note This function does not work with binary output (i.e. containing 0 bytes). + * If lines is TRUE, callback is invoked for each output line. Otherwise + * the full result is returned in one callback invocation. + * + * @note This function does not work with binary output. * * @param cb callback to call for each line or for the complete output - * @param lines TRUE if the callback should be called for each line (instead of for the combined output) + * @param lines TRUE if the callback should be called for each line * @param data data to pass to callback * @param cmd command to execute * @param ... printf style argument list for cmd * @return return value */ int (*exec_str)(guest_t *this, void(*cb)(void*,char*), bool lines, - void *data, char *cmd, ...); + void *data, char *cmd, ...); /** * @brief Called whenever a SIGCHILD for the guests PID is received. diff --git a/src/dumm/iface.c b/src/dumm/iface.c index 78c6c7c92..bf73c82a5 100644 --- a/src/dumm/iface.c +++ b/src/dumm/iface.c @@ -104,8 +104,8 @@ static char* get_hostif(private_iface_t *this) */ static bool add_address(private_iface_t *this, host_t *addr) { - return (this->guest->exec(this->guest, NULL, NULL, "ip addr add %H dev %s", - addr, this->guestif) == 0); + return (this->guest->exec(this->guest, NULL, NULL, + "exec ip addr add %H dev %s", addr, this->guestif) == 0); } /** @@ -136,7 +136,7 @@ static enumerator_t* create_address_enumerator(private_iface_t *this) linked_list_t *addresses = linked_list_create(); this->guest->exec_str(this->guest, (void(*)(void*,char*))compile_address_list, TRUE, addresses, - "ip addr list dev %s scope global | " + "exec ip addr list dev %s scope global | " "grep '^ \\+\\(inet6\\? \\)' | " "awk -F '( +|/)' '{ print $3 }'", this->guestif); return enumerator_create_cleaner(addresses->create_enumerator(addresses), @@ -149,7 +149,7 @@ static enumerator_t* create_address_enumerator(private_iface_t *this) static bool delete_address(private_iface_t *this, host_t *addr) { return (this->guest->exec(this->guest, NULL, NULL, - "ip addr del %H dev %s", addr, this->guestif) == 0); + "exec ip addr del %H dev %s", addr, this->guestif) == 0); } /** @@ -160,12 +160,12 @@ static void set_bridge(private_iface_t *this, bridge_t *bridge) if (this->bridge == NULL && bridge) { this->guest->exec(this->guest, NULL, NULL, - "ip link set %s up", this->guestif); + "exec ip link set %s up", this->guestif); } else if (this->bridge && bridge == NULL) { this->guest->exec(this->guest, NULL, NULL, - "ip link set %s down", this->guestif); + "exec ip link set %s down", this->guestif); } this->bridge = bridge; } diff --git a/src/dumm/main.c b/src/dumm/main.c index e2f2fc255..ba2801760 100644 --- a/src/dumm/main.c +++ b/src/dumm/main.c @@ -19,6 +19,7 @@ #include <sys/types.h> #include <unistd.h> +#include <sched.h> #include <glib.h> #include <gtk/gtk.h> diff --git a/src/dumm/mconsole.c b/src/dumm/mconsole.c index c6e0c2f08..02db5ab7e 100644 --- a/src/dumm/mconsole.c +++ b/src/dumm/mconsole.c @@ -201,13 +201,13 @@ static bool del_iface(private_mconsole_t *this, char *guest) static int exec(private_mconsole_t *this, void(*cb)(void*,char*,size_t), void *data, char *cmd) { - return request(this, cb, data, "exec %s", cmd); + return request(this, cb, data, "%s", cmd); } /** * Poll until guest is ready */ -static bool wait_bootup(private_mconsole_t *this) +static void wait_bootup(private_mconsole_t *this) { /* wait for init process to appear */ while (request(this, ignore, NULL, "exec ps -p 1 > /dev/null")) @@ -247,7 +247,7 @@ static bool wait_for_notify(private_mconsole_t *this, char *nsock) } memset(&addr, 0, sizeof(addr)); addr.sun_family = AF_UNIX; - strncpy(addr.sun_path, nsock, sizeof(addr)); + strncpy(addr.sun_path, nsock, sizeof(addr.sun_path)); if (bind(this->notify, (struct sockaddr*)&addr, sizeof(addr)) < 0) { DBG1("binding mconsole notify socket to '%s' failed: %m", nsock); @@ -306,7 +306,7 @@ static bool setup_console(private_mconsole_t *this) } memset(&addr, 0, sizeof(addr)); addr.sun_family = AF_UNIX; - snprintf(&addr.sun_path[1], sizeof(addr.sun_path), "%5d-%d", + snprintf(&addr.sun_path[1], sizeof(addr.sun_path)-1, "%5d-%d", getpid(), this->console); if (bind(this->console, (struct sockaddr*)&addr, sizeof(addr)) < 0) { @@ -346,11 +346,7 @@ mconsole_t *mconsole_create(char *notify, void(*idle)(void)) } unlink(notify); - if (!wait_bootup(this)) - { - destroy(this); - return NULL; - } + wait_bootup(this); return &this->public; } diff --git a/src/dumm/mconsole.h b/src/dumm/mconsole.h index 329c40c06..e8493b5bb 100644 --- a/src/dumm/mconsole.h +++ b/src/dumm/mconsole.h @@ -43,7 +43,7 @@ struct mconsole_t { bool (*del_iface)(mconsole_t *this, char *guest); /** - * Execute a command in the UML host. + * Execute a command on the mconsole. * * @param cb callback function to invoke for each line * @param data data to pass to callback diff --git a/src/include/linux/ipsec.h b/src/include/linux/ipsec.h index 81ac63a18..d17a6302a 100644 --- a/src/include/linux/ipsec.h +++ b/src/include/linux/ipsec.h @@ -3,7 +3,7 @@ /* The definitions, required to talk to KAME racoon IKE. */ -#include "pfkeyv2.h" +#include <linux/pfkeyv2.h> #define IPSEC_PORT_ANY 0 #define IPSEC_ULPROTO_ANY 255 @@ -12,7 +12,8 @@ enum { IPSEC_MODE_ANY = 0, /* We do not support this for SA */ IPSEC_MODE_TRANSPORT = 1, - IPSEC_MODE_TUNNEL = 2 + IPSEC_MODE_TUNNEL = 2, + IPSEC_MODE_BEET = 3 }; enum { diff --git a/src/include/linux/pfkeyv2.h b/src/include/linux/pfkeyv2.h index 4de9d7761..b4b0712a4 100644 --- a/src/include/linux/pfkeyv2.h +++ b/src/include/linux/pfkeyv2.h @@ -226,6 +226,15 @@ struct sadb_x_sec_ctx { } __attribute__((packed)); /* sizeof(struct sadb_sec_ctx) = 8 */ +/* Used by MIGRATE to pass addresses IKE will use to perform + * negotiation with the peer */ +struct sadb_x_kmaddress { + uint16_t sadb_x_kmaddress_len; + uint16_t sadb_x_kmaddress_exttype; + uint32_t sadb_x_kmaddress_reserved; +} __attribute__((packed)); +/* sizeof(struct sadb_x_kmaddress) == 8 */ + /* Message types */ #define SADB_RESERVED 0 #define SADB_GETSPI 1 @@ -298,6 +307,13 @@ struct sadb_x_sec_ctx { #define SADB_X_EALG_BLOWFISHCBC 7 #define SADB_EALG_NULL 11 #define SADB_X_EALG_AESCBC 12 +#define SADB_X_EALG_AESCTR 13 +#define SADB_X_EALG_AES_CCM_ICV8 14 +#define SADB_X_EALG_AES_CCM_ICV12 15 +#define SADB_X_EALG_AES_CCM_ICV16 16 +#define SADB_X_EALG_AES_GCM_ICV8 18 +#define SADB_X_EALG_AES_GCM_ICV12 19 +#define SADB_X_EALG_AES_GCM_ICV16 20 #define SADB_X_EALG_CAMELLIACBC 22 #define SADB_EALG_MAX 253 /* last EALG */ /* private allocations should use 249-255 (RFC2407) */ @@ -339,7 +355,9 @@ struct sadb_x_sec_ctx { #define SADB_X_EXT_NAT_T_DPORT 22 #define SADB_X_EXT_NAT_T_OA 23 #define SADB_X_EXT_SEC_CTX 24 -#define SADB_EXT_MAX 24 +/* Used with MIGRATE to pass @ to IKE for negotiation */ +#define SADB_X_EXT_KMADDRESS 25 +#define SADB_EXT_MAX 25 /* Identity Extension values */ #define SADB_IDENTTYPE_RESERVED 0 diff --git a/src/include/linux/xfrm.h b/src/include/linux/xfrm.h index 759885cb6..52f3abd45 100644 --- a/src/include/linux/xfrm.h +++ b/src/include/linux/xfrm.h @@ -282,6 +282,7 @@ enum xfrm_attr_type_t { XFRMA_POLICY_TYPE, /* struct xfrm_userpolicy_type */ XFRMA_MIGRATE, XFRMA_ALG_AEAD, /* struct xfrm_algo_aead */ + XFRMA_KMADDRESS, /* struct xfrm_user_kmaddress */ __XFRMA_MAX #define XFRMA_MAX (__XFRMA_MAX - 1) @@ -418,6 +419,15 @@ struct xfrm_user_report { struct xfrm_selector sel; }; +/* Used by MIGRATE to pass addresses IKE should use to perform + * SA negotiation with the peer */ +struct xfrm_user_kmaddress { + xfrm_address_t local; + xfrm_address_t remote; + __u32 reserved; + __u16 family; +}; + struct xfrm_user_migrate { xfrm_address_t old_daddr; xfrm_address_t old_saddr; diff --git a/src/libfreeswan/freeswan.h b/src/libfreeswan/freeswan.h index 59e6f0d9b..cbb8e2db4 100644 --- a/src/libfreeswan/freeswan.h +++ b/src/libfreeswan/freeswan.h @@ -14,7 +14,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public * License for more details. * - * RCSID $Id: freeswan.h 3265 2007-10-08 19:52:55Z andreas $ + * RCSID $Id: freeswan.h 4632 2008-11-11 18:37:19Z martin $ */ #define _FREESWAN_H /* seen it, no need to see it again */ @@ -446,6 +446,7 @@ bitstomask( /* option pickup from files (userland only because of use of FILE) */ const char *optionsfrom(const char *filename, int *argcp, char ***argvp, int optind, FILE *errorreport); +#define ignore_result(call) { if (call); } #endif /* diff --git a/src/libstrongswan/Makefile.am b/src/libstrongswan/Makefile.am index 08409d503..1423db5c3 100644 --- a/src/libstrongswan/Makefile.am +++ b/src/libstrongswan/Makefile.am @@ -50,6 +50,7 @@ utils/linked_list.c utils/linked_list.h \ utils/enumerator.c utils/enumerator.h \ utils/optionsfrom.c utils/optionsfrom.h \ utils/mutex.c utils/mutex.h \ +utils/backtrace.c utils/backtrace.h \ plugins/plugin_loader.c plugins/plugin_loader.h plugins/plugin.h libstrongswan_la_LIBADD = -lpthread -ldl @@ -63,6 +64,10 @@ if USE_LEAK_DETECTIVE libstrongswan_la_SOURCES += utils/leak_detective.c utils/leak_detective.h endif +if USE_LOCK_PROFILER + AM_CFLAGS += -DLOCK_PROFILER +endif + if USE_INTEGRITY_TEST libstrongswan_la_SOURCES += \ fips/fips_canister_end.c @@ -72,11 +77,11 @@ EXTRA_DIST = asn1/oid.txt asn1/oid.pl BUILT_SOURCES = asn1/oid.c asn1/oid.h MAINTAINERCLEANFILES = asn1/oid.c asn1/oid.h -asn1/oid.c : asn1/oid.txt asn1/oid.pl - cd asn1 && $(PERL) oid.pl +asn1/oid.c : asn1/oid.pl asn1/oid.txt + (cd `dirname $<` && $(PERL) `basename $<`) -asn1/oid.h : asn1/oid.txt asn1/oid.pl - cd asn1 && $(PERL) oid.pl +asn1/oid.h : asn1/oid.pl asn1/oid.txt + (cd `dirname $<` && $(PERL) `basename $<`) # build plugins with their own Makefile diff --git a/src/libstrongswan/Makefile.in b/src/libstrongswan/Makefile.in index e73411aa6..f1cf4f554 100644 --- a/src/libstrongswan/Makefile.in +++ b/src/libstrongswan/Makefile.in @@ -34,26 +34,27 @@ build_triplet = @build@ host_triplet = @host@ @USE_LEAK_DETECTIVE_TRUE@am__append_1 = -DLEAK_DETECTIVE @USE_LEAK_DETECTIVE_TRUE@am__append_2 = utils/leak_detective.c utils/leak_detective.h -@USE_AES_TRUE@am__append_3 = plugins/aes -@USE_DES_TRUE@am__append_4 = plugins/des -@USE_MD5_TRUE@am__append_5 = plugins/md5 -@USE_SHA1_TRUE@am__append_6 = plugins/sha1 -@USE_SHA2_TRUE@am__append_7 = plugins/sha2 -@USE_FIPS_PRF_TRUE@am__append_8 = plugins/fips_prf -@USE_GMP_TRUE@am__append_9 = plugins/gmp -@USE_RANDOM_TRUE@am__append_10 = plugins/random -@USE_HMAC_TRUE@am__append_11 = plugins/hmac -@USE_XCBC_TRUE@am__append_12 = plugins/xcbc -@USE_X509_TRUE@am__append_13 = plugins/x509 -@USE_PUBKEY_TRUE@am__append_14 = plugins/pubkey -@USE_CURL_TRUE@am__append_15 = plugins/curl -@USE_LDAP_TRUE@am__append_16 = plugins/ldap -@USE_MYSQL_TRUE@am__append_17 = plugins/mysql -@USE_SQLITE_TRUE@am__append_18 = plugins/sqlite -@USE_PADLOCK_TRUE@am__append_19 = plugins/padlock -@USE_OPENSSL_TRUE@am__append_20 = plugins/openssl -@USE_AGENT_TRUE@am__append_21 = plugins/agent -@USE_INTEGRITY_TEST_TRUE@am__append_22 = fips +@USE_LOCK_PROFILER_TRUE@am__append_3 = -DLOCK_PROFILER +@USE_AES_TRUE@am__append_4 = plugins/aes +@USE_DES_TRUE@am__append_5 = plugins/des +@USE_MD5_TRUE@am__append_6 = plugins/md5 +@USE_SHA1_TRUE@am__append_7 = plugins/sha1 +@USE_SHA2_TRUE@am__append_8 = plugins/sha2 +@USE_FIPS_PRF_TRUE@am__append_9 = plugins/fips_prf +@USE_GMP_TRUE@am__append_10 = plugins/gmp +@USE_RANDOM_TRUE@am__append_11 = plugins/random +@USE_HMAC_TRUE@am__append_12 = plugins/hmac +@USE_XCBC_TRUE@am__append_13 = plugins/xcbc +@USE_X509_TRUE@am__append_14 = plugins/x509 +@USE_PUBKEY_TRUE@am__append_15 = plugins/pubkey +@USE_CURL_TRUE@am__append_16 = plugins/curl +@USE_LDAP_TRUE@am__append_17 = plugins/ldap +@USE_MYSQL_TRUE@am__append_18 = plugins/mysql +@USE_SQLITE_TRUE@am__append_19 = plugins/sqlite +@USE_PADLOCK_TRUE@am__append_20 = plugins/padlock +@USE_OPENSSL_TRUE@am__append_21 = plugins/openssl +@USE_AGENT_TRUE@am__append_22 = plugins/agent +@USE_INTEGRITY_TEST_TRUE@am__append_23 = fips subdir = src/libstrongswan DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 @@ -105,7 +106,8 @@ am__libstrongswan_la_SOURCES_DIST = library.c library.h chunk.c \ utils/iterator.h utils/lexparser.c utils/lexparser.h \ utils/linked_list.c utils/linked_list.h utils/enumerator.c \ utils/enumerator.h utils/optionsfrom.c utils/optionsfrom.h \ - utils/mutex.c utils/mutex.h plugins/plugin_loader.c \ + utils/mutex.c utils/mutex.h utils/backtrace.c \ + utils/backtrace.h plugins/plugin_loader.c \ plugins/plugin_loader.h plugins/plugin.h \ utils/leak_detective.c utils/leak_detective.h \ fips/fips_canister_start.c fips/fips.c fips/fips.h \ @@ -126,7 +128,7 @@ am__libstrongswan_la_SOURCES_DIST = library.c library.h chunk.c \ @USE_INTEGRITY_TEST_FALSE@ database_factory.lo utils.lo host.lo \ @USE_INTEGRITY_TEST_FALSE@ identification.lo lexparser.lo \ @USE_INTEGRITY_TEST_FALSE@ linked_list.lo enumerator.lo \ -@USE_INTEGRITY_TEST_FALSE@ optionsfrom.lo mutex.lo \ +@USE_INTEGRITY_TEST_FALSE@ optionsfrom.lo mutex.lo backtrace.lo \ @USE_INTEGRITY_TEST_FALSE@ plugin_loader.lo $(am__objects_1) @USE_INTEGRITY_TEST_TRUE@am_libstrongswan_la_OBJECTS = \ @USE_INTEGRITY_TEST_TRUE@ fips_canister_start.lo fips.lo \ @@ -144,7 +146,7 @@ am__libstrongswan_la_SOURCES_DIST = library.c library.h chunk.c \ @USE_INTEGRITY_TEST_TRUE@ database_factory.lo utils.lo host.lo \ @USE_INTEGRITY_TEST_TRUE@ identification.lo lexparser.lo \ @USE_INTEGRITY_TEST_TRUE@ linked_list.lo enumerator.lo \ -@USE_INTEGRITY_TEST_TRUE@ optionsfrom.lo mutex.lo \ +@USE_INTEGRITY_TEST_TRUE@ optionsfrom.lo mutex.lo backtrace.lo \ @USE_INTEGRITY_TEST_TRUE@ plugin_loader.lo $(am__objects_1) \ @USE_INTEGRITY_TEST_TRUE@ fips_canister_end.lo libstrongswan_la_OBJECTS = $(am_libstrongswan_la_OBJECTS) @@ -375,7 +377,8 @@ lib_LTLIBRARIES = libstrongswan.la @USE_INTEGRITY_TEST_FALSE@ utils/enumerator.h \ @USE_INTEGRITY_TEST_FALSE@ utils/optionsfrom.c \ @USE_INTEGRITY_TEST_FALSE@ utils/optionsfrom.h utils/mutex.c \ -@USE_INTEGRITY_TEST_FALSE@ utils/mutex.h \ +@USE_INTEGRITY_TEST_FALSE@ utils/mutex.h utils/backtrace.c \ +@USE_INTEGRITY_TEST_FALSE@ utils/backtrace.h \ @USE_INTEGRITY_TEST_FALSE@ plugins/plugin_loader.c \ @USE_INTEGRITY_TEST_FALSE@ plugins/plugin_loader.h \ @USE_INTEGRITY_TEST_FALSE@ plugins/plugin.h $(am__append_2) @@ -437,27 +440,30 @@ lib_LTLIBRARIES = libstrongswan.la @USE_INTEGRITY_TEST_TRUE@ utils/enumerator.c utils/enumerator.h \ @USE_INTEGRITY_TEST_TRUE@ utils/optionsfrom.c \ @USE_INTEGRITY_TEST_TRUE@ utils/optionsfrom.h utils/mutex.c \ -@USE_INTEGRITY_TEST_TRUE@ utils/mutex.h plugins/plugin_loader.c \ +@USE_INTEGRITY_TEST_TRUE@ utils/mutex.h utils/backtrace.c \ +@USE_INTEGRITY_TEST_TRUE@ utils/backtrace.h \ +@USE_INTEGRITY_TEST_TRUE@ plugins/plugin_loader.c \ @USE_INTEGRITY_TEST_TRUE@ plugins/plugin_loader.h \ @USE_INTEGRITY_TEST_TRUE@ plugins/plugin.h $(am__append_2) \ @USE_INTEGRITY_TEST_TRUE@ fips/fips_canister_end.c libstrongswan_la_LIBADD = -lpthread -ldl INCLUDES = -I$(top_srcdir)/src/libstrongswan AM_CFLAGS = -DIPSEC_DIR=\"${ipsecdir}\" \ - -DIPSEC_PLUGINDIR=\"${plugindir}\" $(am__append_1) + -DIPSEC_PLUGINDIR=\"${plugindir}\" $(am__append_1) \ + $(am__append_3) EXTRA_DIST = asn1/oid.txt asn1/oid.pl BUILT_SOURCES = asn1/oid.c asn1/oid.h MAINTAINERCLEANFILES = asn1/oid.c asn1/oid.h # build plugins with their own Makefile ####################################### -SUBDIRS = . $(am__append_3) $(am__append_4) $(am__append_5) \ - $(am__append_6) $(am__append_7) $(am__append_8) \ - $(am__append_9) $(am__append_10) $(am__append_11) \ - $(am__append_12) $(am__append_13) $(am__append_14) \ - $(am__append_15) $(am__append_16) $(am__append_17) \ - $(am__append_18) $(am__append_19) $(am__append_20) \ - $(am__append_21) $(am__append_22) +SUBDIRS = . $(am__append_4) $(am__append_5) $(am__append_6) \ + $(am__append_7) $(am__append_8) $(am__append_9) \ + $(am__append_10) $(am__append_11) $(am__append_12) \ + $(am__append_13) $(am__append_14) $(am__append_15) \ + $(am__append_16) $(am__append_17) $(am__append_18) \ + $(am__append_19) $(am__append_20) $(am__append_21) \ + $(am__append_22) $(am__append_23) all: $(BUILT_SOURCES) $(MAKE) $(AM_MAKEFLAGS) all-recursive @@ -530,6 +536,7 @@ distclean-compile: @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asn1.Plo@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asn1_parser.Plo@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/backtrace.Plo@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/builder.Plo@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/certificate.Plo@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/chunk.Plo@am__quote@ @@ -810,6 +817,13 @@ mutex.lo: utils/mutex.c @AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ @am__fastdepCC_FALSE@ $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o mutex.lo `test -f 'utils/mutex.c' || echo '$(srcdir)/'`utils/mutex.c +backtrace.lo: utils/backtrace.c +@am__fastdepCC_TRUE@ $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT backtrace.lo -MD -MP -MF $(DEPDIR)/backtrace.Tpo -c -o backtrace.lo `test -f 'utils/backtrace.c' || echo '$(srcdir)/'`utils/backtrace.c +@am__fastdepCC_TRUE@ mv -f $(DEPDIR)/backtrace.Tpo $(DEPDIR)/backtrace.Plo +@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='utils/backtrace.c' object='backtrace.lo' libtool=yes @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCC_FALSE@ $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o backtrace.lo `test -f 'utils/backtrace.c' || echo '$(srcdir)/'`utils/backtrace.c + plugin_loader.lo: plugins/plugin_loader.c @am__fastdepCC_TRUE@ $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT plugin_loader.lo -MD -MP -MF $(DEPDIR)/plugin_loader.Tpo -c -o plugin_loader.lo `test -f 'plugins/plugin_loader.c' || echo '$(srcdir)/'`plugins/plugin_loader.c @am__fastdepCC_TRUE@ mv -f $(DEPDIR)/plugin_loader.Tpo $(DEPDIR)/plugin_loader.Plo @@ -1139,11 +1153,11 @@ uninstall-am: uninstall-libLTLIBRARIES uninstall-libLTLIBRARIES -asn1/oid.c : asn1/oid.txt asn1/oid.pl - cd asn1 && $(PERL) oid.pl +asn1/oid.c : asn1/oid.pl asn1/oid.txt + (cd `dirname $<` && $(PERL) `basename $<`) -asn1/oid.h : asn1/oid.txt asn1/oid.pl - cd asn1 && $(PERL) oid.pl +asn1/oid.h : asn1/oid.pl asn1/oid.txt + (cd `dirname $<` && $(PERL) `basename $<`) # Tell versions [3.59,3.63) of GNU make to not export all variables. # Otherwise a system limit (for SysV at least) may be exceeded. .NOEXPORT: diff --git a/src/libstrongswan/crypto/crypters/crypter.h b/src/libstrongswan/crypto/crypters/crypter.h index aade888fa..fb06af97d 100644 --- a/src/libstrongswan/crypto/crypters/crypter.h +++ b/src/libstrongswan/crypto/crypters/crypter.h @@ -13,7 +13,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: crypter.h 3971 2008-05-16 13:27:21Z tobias $ + * $Id: crypter.h 4532 2008-10-30 13:21:21Z martin $ */ /** diff --git a/src/libstrongswan/crypto/crypto_factory.c b/src/libstrongswan/crypto/crypto_factory.c index 9836ed468..dcc881f1d 100644 --- a/src/libstrongswan/crypto/crypto_factory.c +++ b/src/libstrongswan/crypto/crypto_factory.c @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: crypto_factory.c 4307 2008-08-28 09:24:42Z martin $ + * $Id: crypto_factory.c 4592 2008-11-05 16:21:57Z martin $ */ #include "crypto_factory.h" @@ -78,9 +78,9 @@ struct private_crypto_factory_t { linked_list_t *dhs; /** - * mutex to lock access to modules + * rwlock to lock access to modules */ - mutex_t *mutex; + rwlock_t *lock; }; /** @@ -93,7 +93,7 @@ static crypter_t* create_crypter(private_crypto_factory_t *this, entry_t *entry; crypter_t *crypter = NULL; - this->mutex->lock(this->mutex); + this->lock->read_lock(this->lock); enumerator = this->crypters->create_enumerator(this->crypters); while (enumerator->enumerate(enumerator, &entry)) { @@ -107,7 +107,7 @@ static crypter_t* create_crypter(private_crypto_factory_t *this, } } enumerator->destroy(enumerator); - this->mutex->unlock(this->mutex); + this->lock->unlock(this->lock); return crypter; } @@ -121,7 +121,7 @@ static signer_t* create_signer(private_crypto_factory_t *this, entry_t *entry; signer_t *signer = NULL; - this->mutex->lock(this->mutex); + this->lock->read_lock(this->lock); enumerator = this->signers->create_enumerator(this->signers); while (enumerator->enumerate(enumerator, &entry)) { @@ -135,7 +135,7 @@ static signer_t* create_signer(private_crypto_factory_t *this, } } enumerator->destroy(enumerator); - this->mutex->unlock(this->mutex); + this->lock->unlock(this->lock); return signer; } @@ -150,7 +150,7 @@ static hasher_t* create_hasher(private_crypto_factory_t *this, entry_t *entry; hasher_t *hasher = NULL; - this->mutex->lock(this->mutex); + this->lock->read_lock(this->lock); enumerator = this->hashers->create_enumerator(this->hashers); while (enumerator->enumerate(enumerator, &entry)) { @@ -164,7 +164,7 @@ static hasher_t* create_hasher(private_crypto_factory_t *this, } } enumerator->destroy(enumerator); - this->mutex->unlock(this->mutex); + this->lock->unlock(this->lock); return hasher; } @@ -178,7 +178,7 @@ static prf_t* create_prf(private_crypto_factory_t *this, entry_t *entry; prf_t *prf = NULL; - this->mutex->lock(this->mutex); + this->lock->read_lock(this->lock); enumerator = this->prfs->create_enumerator(this->prfs); while (enumerator->enumerate(enumerator, &entry)) { @@ -192,7 +192,7 @@ static prf_t* create_prf(private_crypto_factory_t *this, } } enumerator->destroy(enumerator); - this->mutex->unlock(this->mutex); + this->lock->unlock(this->lock); return prf; } @@ -206,7 +206,7 @@ static rng_t* create_rng(private_crypto_factory_t *this, rng_quality_t quality) u_int diff = ~0; rng_constructor_t constr = NULL; - this->mutex->lock(this->mutex); + this->lock->read_lock(this->lock); enumerator = this->rngs->create_enumerator(this->rngs); while (enumerator->enumerate(enumerator, &entry)) { /* find the best matching quality, but at least as good as requested */ @@ -221,7 +221,7 @@ static rng_t* create_rng(private_crypto_factory_t *this, rng_quality_t quality) } } enumerator->destroy(enumerator); - this->mutex->unlock(this->mutex); + this->lock->unlock(this->lock); if (constr) { return constr(quality); @@ -239,7 +239,7 @@ static diffie_hellman_t* create_dh(private_crypto_factory_t *this, entry_t *entry; diffie_hellman_t *diffie_hellman = NULL; - this->mutex->lock(this->mutex); + this->lock->read_lock(this->lock); enumerator = this->dhs->create_enumerator(this->dhs); while (enumerator->enumerate(enumerator, &entry)) { @@ -253,7 +253,7 @@ static diffie_hellman_t* create_dh(private_crypto_factory_t *this, } } enumerator->destroy(enumerator); - this->mutex->unlock(this->mutex); + this->lock->unlock(this->lock); return diffie_hellman; } @@ -268,9 +268,9 @@ static void add_crypter(private_crypto_factory_t *this, entry->algo = algo; entry->create_crypter = create; - this->mutex->lock(this->mutex); + this->lock->write_lock(this->lock); this->crypters->insert_last(this->crypters, entry); - this->mutex->unlock(this->mutex); + this->lock->unlock(this->lock); } /** @@ -282,7 +282,7 @@ static void remove_crypter(private_crypto_factory_t *this, entry_t *entry; enumerator_t *enumerator; - this->mutex->lock(this->mutex); + this->lock->write_lock(this->lock); enumerator = this->crypters->create_enumerator(this->crypters); while (enumerator->enumerate(enumerator, &entry)) { @@ -293,7 +293,7 @@ static void remove_crypter(private_crypto_factory_t *this, } } enumerator->destroy(enumerator); - this->mutex->unlock(this->mutex); + this->lock->unlock(this->lock); } /** @@ -306,9 +306,9 @@ static void add_signer(private_crypto_factory_t *this, entry->algo = algo; entry->create_signer = create; - this->mutex->lock(this->mutex); + this->lock->write_lock(this->lock); this->signers->insert_last(this->signers, entry); - this->mutex->unlock(this->mutex); + this->lock->unlock(this->lock); } /** @@ -320,7 +320,7 @@ static void remove_signer(private_crypto_factory_t *this, entry_t *entry; enumerator_t *enumerator; - this->mutex->lock(this->mutex); + this->lock->write_lock(this->lock); enumerator = this->signers->create_enumerator(this->signers); while (enumerator->enumerate(enumerator, &entry)) { @@ -331,7 +331,7 @@ static void remove_signer(private_crypto_factory_t *this, } } enumerator->destroy(enumerator); - this->mutex->unlock(this->mutex); + this->lock->unlock(this->lock); } /** @@ -344,9 +344,9 @@ static void add_hasher(private_crypto_factory_t *this, hash_algorithm_t algo, entry->algo = algo; entry->create_hasher = create; - this->mutex->lock(this->mutex); + this->lock->write_lock(this->lock); this->hashers->insert_last(this->hashers, entry); - this->mutex->unlock(this->mutex); + this->lock->unlock(this->lock); } /** @@ -358,7 +358,7 @@ static void remove_hasher(private_crypto_factory_t *this, entry_t *entry; enumerator_t *enumerator; - this->mutex->lock(this->mutex); + this->lock->write_lock(this->lock); enumerator = this->hashers->create_enumerator(this->hashers); while (enumerator->enumerate(enumerator, &entry)) { @@ -369,7 +369,7 @@ static void remove_hasher(private_crypto_factory_t *this, } } enumerator->destroy(enumerator); - this->mutex->unlock(this->mutex); + this->lock->unlock(this->lock); } /** @@ -382,9 +382,9 @@ static void add_prf(private_crypto_factory_t *this, entry->algo = algo; entry->create_prf = create; - this->mutex->lock(this->mutex); + this->lock->write_lock(this->lock); this->prfs->insert_last(this->prfs, entry); - this->mutex->unlock(this->mutex); + this->lock->unlock(this->lock); } /** @@ -395,7 +395,7 @@ static void remove_prf(private_crypto_factory_t *this, prf_constructor_t create) entry_t *entry; enumerator_t *enumerator; - this->mutex->lock(this->mutex); + this->lock->write_lock(this->lock); enumerator = this->prfs->create_enumerator(this->prfs); while (enumerator->enumerate(enumerator, &entry)) { @@ -406,7 +406,7 @@ static void remove_prf(private_crypto_factory_t *this, prf_constructor_t create) } } enumerator->destroy(enumerator); - this->mutex->unlock(this->mutex); + this->lock->unlock(this->lock); } /** @@ -419,9 +419,9 @@ static void add_rng(private_crypto_factory_t *this, rng_quality_t quality, entry->algo = quality; entry->create_rng = create; - this->mutex->lock(this->mutex); + this->lock->write_lock(this->lock); this->rngs->insert_last(this->rngs, entry); - this->mutex->unlock(this->mutex); + this->lock->unlock(this->lock); } /** @@ -432,7 +432,7 @@ static void remove_rng(private_crypto_factory_t *this, rng_constructor_t create) entry_t *entry; enumerator_t *enumerator; - this->mutex->lock(this->mutex); + this->lock->write_lock(this->lock); enumerator = this->rngs->create_enumerator(this->rngs); while (enumerator->enumerate(enumerator, &entry)) { @@ -443,7 +443,7 @@ static void remove_rng(private_crypto_factory_t *this, rng_constructor_t create) } } enumerator->destroy(enumerator); - this->mutex->unlock(this->mutex); + this->lock->unlock(this->lock); } /** @@ -456,9 +456,9 @@ static void add_dh(private_crypto_factory_t *this, diffie_hellman_group_t group, entry->algo = group; entry->create_dh = create; - this->mutex->lock(this->mutex); + this->lock->write_lock(this->lock); this->dhs->insert_last(this->dhs, entry); - this->mutex->unlock(this->mutex); + this->lock->unlock(this->lock); } /** @@ -469,7 +469,7 @@ static void remove_dh(private_crypto_factory_t *this, dh_constructor_t create) entry_t *entry; enumerator_t *enumerator; - this->mutex->lock(this->mutex); + this->lock->write_lock(this->lock); enumerator = this->dhs->create_enumerator(this->dhs); while (enumerator->enumerate(enumerator, &entry)) { @@ -480,7 +480,7 @@ static void remove_dh(private_crypto_factory_t *this, dh_constructor_t create) } } enumerator->destroy(enumerator); - this->mutex->unlock(this->mutex); + this->lock->unlock(this->lock); } /** @@ -511,12 +511,12 @@ static bool unique_check(linked_list_t *list, entry_t **in, entry_t **out) static enumerator_t *create_enumerator(private_crypto_factory_t *this, linked_list_t *list, void *filter) { - this->mutex->lock(this->mutex); + this->lock->read_lock(this->lock); return enumerator_create_filter( enumerator_create_filter( list->create_enumerator(list), (void*)unique_check, linked_list_create(), (void*)list->destroy), - filter, this->mutex, (void*)this->mutex->unlock); + filter, this->lock, (void*)this->lock->unlock); } /** @@ -615,7 +615,7 @@ static void destroy(private_crypto_factory_t *this) this->prfs->destroy_function(this->prfs, free); this->rngs->destroy_function(this->rngs, free); this->dhs->destroy_function(this->dhs, free); - this->mutex->destroy(this->mutex); + this->lock->destroy(this->lock); free(this); } @@ -657,7 +657,7 @@ crypto_factory_t *crypto_factory_create() this->prfs = linked_list_create(); this->rngs = linked_list_create(); this->dhs = linked_list_create(); - this->mutex = mutex_create(MUTEX_RECURSIVE); + this->lock = rwlock_create(RWLOCK_DEFAULT); return &this->public; } diff --git a/src/libstrongswan/crypto/diffie_hellman.h b/src/libstrongswan/crypto/diffie_hellman.h index c66ae56c3..ce8ab8e21 100644 --- a/src/libstrongswan/crypto/diffie_hellman.h +++ b/src/libstrongswan/crypto/diffie_hellman.h @@ -13,7 +13,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: diffie_hellman.h 4023 2008-05-29 06:55:03Z andreas $ + * $Id: diffie_hellman.h 4566 2008-11-04 13:12:11Z martin $ */ /** @@ -85,16 +85,6 @@ struct diffie_hellman_t { void (*set_other_public_value) (diffie_hellman_t *this, chunk_t value); /** - * Gets the public value of partner. - * - * Space for returned chunk is allocated and must be freed by the caller. - * - * @param value public value of partner is stored at this location - * @return SUCCESS, FAILED if other public value not set - */ - status_t (*get_other_public_value) (diffie_hellman_t *this, chunk_t *value); - - /** * Gets the own public value to transmit. * * Space for returned chunk is allocated and must be freed by the caller. diff --git a/src/libstrongswan/crypto/prf_plus.c b/src/libstrongswan/crypto/prf_plus.c index de7dbff84..3d37d4ef7 100644 --- a/src/libstrongswan/crypto/prf_plus.c +++ b/src/libstrongswan/crypto/prf_plus.c @@ -13,7 +13,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: prf_plus.c 3589 2008-03-13 14:14:44Z martin $ + * $Id: prf_plus.c 4524 2008-10-29 14:12:54Z martin $ */ #include <string.h> @@ -96,9 +96,16 @@ static void get_bytes(private_prf_plus_t *this, size_t length, u_int8_t *buffer) */ static void allocate_bytes(private_prf_plus_t *this, size_t length, chunk_t *chunk) { - chunk->ptr = malloc(length); - chunk->len = length; - this->public.get_bytes(&(this->public), length, chunk->ptr); + if (length) + { + chunk->ptr = malloc(length); + chunk->len = length; + get_bytes(this, length, chunk->ptr); + } + else + { + *chunk = chunk_empty; + } } /** diff --git a/src/libstrongswan/fetcher/fetcher_manager.c b/src/libstrongswan/fetcher/fetcher_manager.c index 517c9dfc9..5d58f224e 100644 --- a/src/libstrongswan/fetcher/fetcher_manager.c +++ b/src/libstrongswan/fetcher/fetcher_manager.c @@ -12,16 +12,14 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: fetcher_manager.c 3630 2008-03-20 11:27:55Z martin $ + * $Id: fetcher_manager.c 4591 2008-11-05 16:12:54Z martin $ */ -#define _GNU_SOURCE - #include "fetcher_manager.h" #include <debug.h> -#include <utils/linked_list.h> #include <utils/mutex.h> +#include <utils/linked_list.h> typedef struct private_fetcher_manager_t private_fetcher_manager_t; @@ -43,7 +41,7 @@ struct private_fetcher_manager_t { /** * read write lock to list */ - pthread_rwlock_t lock; + rwlock_t *lock; }; typedef struct { @@ -73,7 +71,7 @@ static status_t fetch(private_fetcher_manager_t *this, entry_t *entry; bool capable = FALSE; - pthread_rwlock_rdlock(&this->lock); + this->lock->read_lock(this->lock); enumerator = this->fetchers->create_enumerator(this->fetchers); while (enumerator->enumerate(enumerator, &entry)) { @@ -131,7 +129,7 @@ static status_t fetch(private_fetcher_manager_t *this, break; } enumerator->destroy(enumerator); - pthread_rwlock_unlock(&this->lock); + this->lock->unlock(this->lock); if (!capable) { DBG1("unable to fetch from %s, no capable fetcher found", url); @@ -150,9 +148,9 @@ static void add_fetcher(private_fetcher_manager_t *this, entry->url = strdup(url); entry->create = create; - pthread_rwlock_wrlock(&this->lock); + this->lock->write_lock(this->lock); this->fetchers->insert_last(this->fetchers, entry); - pthread_rwlock_unlock(&this->lock); + this->lock->unlock(this->lock); } /** @@ -164,7 +162,7 @@ static void remove_fetcher(private_fetcher_manager_t *this, enumerator_t *enumerator; entry_t *entry; - pthread_rwlock_wrlock(&this->lock); + this->lock->write_lock(this->lock); enumerator = this->fetchers->create_enumerator(this->fetchers); while (enumerator->enumerate(enumerator, &entry)) { @@ -175,7 +173,7 @@ static void remove_fetcher(private_fetcher_manager_t *this, } } enumerator->destroy(enumerator); - pthread_rwlock_unlock(&this->lock); + this->lock->unlock(this->lock); } /** @@ -184,7 +182,7 @@ static void remove_fetcher(private_fetcher_manager_t *this, static void destroy(private_fetcher_manager_t *this) { this->fetchers->destroy_function(this->fetchers, (void*)entry_destroy); - pthread_rwlock_destroy(&this->lock); + this->lock->destroy(this->lock); free(this); } @@ -201,7 +199,7 @@ fetcher_manager_t *fetcher_manager_create() this->public.destroy = (void(*)(fetcher_manager_t*))destroy; this->fetchers = linked_list_create(); - pthread_rwlock_init(&this->lock, NULL); + this->lock = rwlock_create(RWLOCK_DEFAULT); return &this->public; } diff --git a/src/libstrongswan/plugins/agent/agent_private_key.c b/src/libstrongswan/plugins/agent/agent_private_key.c index a3b8eebf3..5e7d0839e 100644 --- a/src/libstrongswan/plugins/agent/agent_private_key.c +++ b/src/libstrongswan/plugins/agent/agent_private_key.c @@ -215,9 +215,13 @@ static bool read_key(private_agent_private_key_t *this, public_key_t *pubkey) chunk_t blob = chunk_from_buf(buf), key, type, tmp; len = htonl(1); - write(this->socket, &len, sizeof(len)); buf[0] = SSH_AGENT_ID_REQUEST; - write(this->socket, &buf, 1); + if (write(this->socket, &len, sizeof(len)) != sizeof(len) || + write(this->socket, &buf, 1) != 1) + { + DBG1("writing to ssh-agent failed"); + return FALSE; + } blob.len = read(this->socket, blob.ptr, blob.len); @@ -275,20 +279,36 @@ static bool sign(private_agent_private_key_t *this, signature_scheme_t scheme, } len = htonl(1 + sizeof(u_int32_t) * 3 + this->key.len + data.len); - write(this->socket, &len, sizeof(len)); buf[0] = SSH_AGENT_SIGN_REQUEST; - write(this->socket, &buf, 1); + if (write(this->socket, &len, sizeof(len)) != sizeof(len) || + write(this->socket, &buf, 1) != 1) + { + DBG1("writing to ssh-agent failed"); + return FALSE; + } len = htonl(this->key.len); - write(this->socket, &len, sizeof(len)); - write(this->socket, this->key.ptr, this->key.len); + if (write(this->socket, &len, sizeof(len)) != sizeof(len) || + write(this->socket, this->key.ptr, this->key.len) != this->key.len) + { + DBG1("writing to ssh-agent failed"); + return FALSE; + } len = htonl(data.len); - write(this->socket, &len, sizeof(len)); - write(this->socket, data.ptr, data.len); + if (write(this->socket, &len, sizeof(len)) != sizeof(len) || + write(this->socket, data.ptr, data.len) != data.len) + { + DBG1("writing to ssh-agent failed"); + return FALSE; + } flags = htonl(0); - write(this->socket, &flags, sizeof(flags)); + if (write(this->socket, &flags, sizeof(flags)) != sizeof(flags)) + { + DBG1("writing to ssh-agent failed"); + return FALSE; + } blob.len = read(this->socket, blob.ptr, blob.len); if (blob.len < sizeof(u_int32_t) + sizeof(u_char) || diff --git a/src/libstrongswan/plugins/curl/curl_fetcher.c b/src/libstrongswan/plugins/curl/curl_fetcher.c index 4754d569e..cd54c76a3 100644 --- a/src/libstrongswan/plugins/curl/curl_fetcher.c +++ b/src/libstrongswan/plugins/curl/curl_fetcher.c @@ -13,7 +13,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: curl_fetcher.c 3529 2008-03-05 15:26:24Z martin $ + * $Id: curl_fetcher.c 4632 2008-11-11 18:37:19Z martin $ */ #include <curl/curl.h> @@ -123,7 +123,7 @@ static bool set_option(private_curl_fetcher_t *this, fetcher_option_t option, .. case FETCH_REQUEST_DATA: { chunk_t data = va_arg(args, chunk_t); - curl_easy_setopt(this->curl, CURLOPT_POSTFIELDS, data.ptr); + curl_easy_setopt(this->curl, CURLOPT_POSTFIELDS, (char*)data.ptr); curl_easy_setopt(this->curl, CURLOPT_POSTFIELDSIZE, data.len); return TRUE; } diff --git a/src/libstrongswan/plugins/gmp/gmp_diffie_hellman.c b/src/libstrongswan/plugins/gmp/gmp_diffie_hellman.c index 40e83fc4c..294fb722f 100644 --- a/src/libstrongswan/plugins/gmp/gmp_diffie_hellman.c +++ b/src/libstrongswan/plugins/gmp/gmp_diffie_hellman.c @@ -15,7 +15,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: gmp_diffie_hellman.c 4346 2008-09-17 09:02:30Z martin $ + * $Id: gmp_diffie_hellman.c 4566 2008-11-04 13:12:11Z martin $ */ #include <gmp.h> @@ -304,23 +304,28 @@ struct modulus_entry_t { size_t modulus_len; /* + * Optimum length of exponent in bytes. + */ + size_t opt_exponent_len; + + /* * Generator value. */ u_int16_t generator; }; /** - * All supported modulus values. + * All supported modulus values - optimum exponent size according to RFC 3526. */ static modulus_entry_t modulus_entries[] = { - {MODP_768_BIT, group1_modulus, sizeof(group1_modulus), 2}, - {MODP_1024_BIT, group2_modulus, sizeof(group2_modulus), 2}, - {MODP_1536_BIT, group5_modulus, sizeof(group5_modulus), 2}, - {MODP_2048_BIT, group14_modulus, sizeof(group14_modulus), 2}, - {MODP_3072_BIT, group15_modulus, sizeof(group15_modulus), 2}, - {MODP_4096_BIT, group16_modulus, sizeof(group16_modulus), 2}, - {MODP_6144_BIT, group17_modulus, sizeof(group17_modulus), 2}, - {MODP_8192_BIT, group18_modulus, sizeof(group18_modulus), 2}, + {MODP_768_BIT, group1_modulus, sizeof(group1_modulus), 32, 2}, + {MODP_1024_BIT, group2_modulus, sizeof(group2_modulus), 32, 2}, + {MODP_1536_BIT, group5_modulus, sizeof(group5_modulus), 32, 2}, + {MODP_2048_BIT, group14_modulus, sizeof(group14_modulus), 48, 2}, + {MODP_3072_BIT, group15_modulus, sizeof(group15_modulus), 48, 2}, + {MODP_4096_BIT, group16_modulus, sizeof(group16_modulus), 64, 2}, + {MODP_6144_BIT, group17_modulus, sizeof(group17_modulus), 64, 2}, + {MODP_8192_BIT, group18_modulus, sizeof(group18_modulus), 64, 2}, }; typedef struct private_gmp_diffie_hellman_t private_gmp_diffie_hellman_t; @@ -375,6 +380,11 @@ struct private_gmp_diffie_hellman_t { size_t p_len; /** + * Optimal exponent length. + */ + size_t opt_exponent_len; + + /** * True if shared secret is computed and stored in my_public_value. */ bool computed; @@ -430,25 +440,6 @@ static void set_other_public_value(private_gmp_diffie_hellman_t *this, chunk_t v } /** - * Implementation of gmp_diffie_hellman_t.get_other_public_value. - */ -static status_t get_other_public_value(private_gmp_diffie_hellman_t *this, - chunk_t *value) -{ - if (!this->computed) - { - return FAILED; - } - value->len = this->p_len; - value->ptr = mpz_export(NULL, NULL, 1, value->len, 1, 0, this->yb); - if (value->ptr == NULL) - { - return FAILED; - } - return SUCCESS; -} - -/** * Implementation of gmp_diffie_hellman_t.get_my_public_value. */ static void get_my_public_value(private_gmp_diffie_hellman_t *this,chunk_t *value) @@ -504,6 +495,7 @@ static status_t set_modulus(private_gmp_diffie_hellman_t *this) chunk.len = modulus_entries[i].modulus_len; mpz_import(this->p, chunk.len, 1, 1, 1, 0, chunk.ptr); this->p_len = chunk.len; + this->opt_exponent_len = modulus_entries[i].opt_exponent_len; mpz_set_ui(this->g, modulus_entries[i].generator); status = SUCCESS; break; @@ -534,11 +526,12 @@ gmp_diffie_hellman_t *gmp_diffie_hellman_create(diffie_hellman_group_t group) private_gmp_diffie_hellman_t *this = malloc_thing(private_gmp_diffie_hellman_t); rng_t *rng; chunk_t random; + bool ansi_x9_42; + size_t exponent_len; /* public functions */ this->public.dh.get_shared_secret = (status_t (*)(diffie_hellman_t *, chunk_t *)) get_shared_secret; this->public.dh.set_other_public_value = (void (*)(diffie_hellman_t *, chunk_t )) set_other_public_value; - this->public.dh.get_other_public_value = (status_t (*)(diffie_hellman_t *, chunk_t *)) get_other_public_value; this->public.dh.get_my_public_value = (void (*)(diffie_hellman_t *, chunk_t *)) get_my_public_value; this->public.dh.get_dh_group = (diffie_hellman_group_t (*)(diffie_hellman_t *)) get_dh_group; this->public.dh.destroy = (void (*)(diffie_hellman_t *)) destroy; @@ -567,11 +560,22 @@ gmp_diffie_hellman_t *gmp_diffie_hellman_create(diffie_hellman_group_t group) destroy(this); return NULL; } - rng->allocate_bytes(rng, this->p_len, &random); + + ansi_x9_42 = lib->settings->get_int(lib->settings, + "charon.dh_exponent_ansi_x9_42", TRUE); + exponent_len = (ansi_x9_42) ? this->p_len : this->opt_exponent_len; + rng->allocate_bytes(rng, exponent_len, &random); rng->destroy(rng); + + if (ansi_x9_42) + { + /* achieve bitsof(p)-1 by setting MSB to 0 */ + *random.ptr &= 0x7F; + } mpz_import(this->xa, random.len, 1, 1, 1, 0, random.ptr); chunk_free(&random); - + DBG2("size of DH secret exponent: %u bits", mpz_sizeinbase(this->xa, 2)); + mpz_powm(this->ya, this->g, this->xa, this->p); return &this->public; diff --git a/src/libstrongswan/plugins/openssl/openssl_diffie_hellman.c b/src/libstrongswan/plugins/openssl/openssl_diffie_hellman.c index 95c079b0b..7c83b3dea 100644 --- a/src/libstrongswan/plugins/openssl/openssl_diffie_hellman.c +++ b/src/libstrongswan/plugins/openssl/openssl_diffie_hellman.c @@ -1,5 +1,6 @@ /* * Copyright (C) 2008 Tobias Brunner + * Copyright (C) 2008 Martin Willi * Hochschule fuer Technik Rapperswil * * This program is free software; you can redistribute it and/or modify it @@ -12,7 +13,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: openssl_diffie_hellman.c 3896 2008-04-29 15:42:34Z tobias $ + * $Id: openssl_diffie_hellman.c 4639 2008-11-12 15:09:24Z martin $ */ #include <openssl/dh.h> @@ -38,23 +39,28 @@ struct modulus_entry_t { BIGNUM *(*get_prime)(BIGNUM *bn); /* + * Optimum length of exponent in bits. + */ + long opt_exponent_len; + + /* * Generator value. */ u_int16_t generator; }; /** - * All supported modulus values. + * All supported modulus values - optimum exponent size according to RFC 3526. */ static modulus_entry_t modulus_entries[] = { - {MODP_768_BIT, get_rfc2409_prime_768, 2}, - {MODP_1024_BIT, get_rfc2409_prime_1024, 2}, - {MODP_1536_BIT, get_rfc3526_prime_1536, 2}, - {MODP_2048_BIT, get_rfc3526_prime_2048, 2}, - {MODP_3072_BIT, get_rfc3526_prime_3072, 2}, - {MODP_4096_BIT, get_rfc3526_prime_4096, 2}, - {MODP_6144_BIT, get_rfc3526_prime_6144, 2}, - {MODP_8192_BIT, get_rfc3526_prime_8192, 2}, + {MODP_768_BIT, get_rfc2409_prime_768, 256, 2}, + {MODP_1024_BIT, get_rfc2409_prime_1024, 256, 2}, + {MODP_1536_BIT, get_rfc3526_prime_1536, 256, 2}, + {MODP_2048_BIT, get_rfc3526_prime_2048, 384, 2}, + {MODP_3072_BIT, get_rfc3526_prime_3072, 384, 2}, + {MODP_4096_BIT, get_rfc3526_prime_4096, 512, 2}, + {MODP_6144_BIT, get_rfc3526_prime_6144, 512, 2}, + {MODP_8192_BIT, get_rfc3526_prime_8192, 512, 2}, }; typedef struct private_openssl_diffie_hellman_t private_openssl_diffie_hellman_t; @@ -87,7 +93,7 @@ struct private_openssl_diffie_hellman_t { * Shared secret */ chunk_t shared_secret; - + /** * True if shared secret is computed */ @@ -95,68 +101,57 @@ struct private_openssl_diffie_hellman_t { }; /** - * Convert a BIGNUM to a chunk - */ -static void bn2chunk(BIGNUM *bn, chunk_t *chunk) -{ - chunk->len = BN_num_bytes(bn); - chunk->ptr = malloc(chunk->len); - BN_bn2bin(bn, chunk->ptr); -} - -/** - * Implementation of openssl_diffie_hellman_t.set_other_public_value. + * Implementation of openssl_diffie_hellman_t.get_my_public_value. */ -static void set_other_public_value(private_openssl_diffie_hellman_t *this, chunk_t value) +static void get_my_public_value(private_openssl_diffie_hellman_t *this, + chunk_t *value) { - int len; - BN_bin2bn(value.ptr, value.len, this->pub_key); - - len = DH_size(this->dh); - chunk_free(&this->shared_secret); - this->shared_secret = chunk_alloc(len); - - if (DH_compute_key(this->shared_secret.ptr, this->pub_key, this->dh) < 0) { - DBG1("DH shared secret computation failed"); - return; - } - - this->computed = TRUE; + *value = chunk_alloc(DH_size(this->dh)); + memset(value->ptr, 0, value->len); + BN_bn2bin(this->dh->pub_key, + value->ptr + value->len - BN_num_bytes(this->dh->pub_key)); } /** - * Implementation of openssl_diffie_hellman_t.get_other_public_value. + * Implementation of openssl_diffie_hellman_t.get_shared_secret. */ -static status_t get_other_public_value(private_openssl_diffie_hellman_t *this, - chunk_t *value) +static status_t get_shared_secret(private_openssl_diffie_hellman_t *this, + chunk_t *secret) { if (!this->computed) { return FAILED; } - bn2chunk(this->pub_key, value); + /* shared secret should requires a len according the DH group */ + *secret = chunk_alloc(DH_size(this->dh)); + memset(secret->ptr, 0, secret->len); + memcpy(secret->ptr + secret->len - this->shared_secret.len, + this->shared_secret.ptr, this->shared_secret.len); + return SUCCESS; } -/** - * Implementation of openssl_diffie_hellman_t.get_my_public_value. - */ -static void get_my_public_value(private_openssl_diffie_hellman_t *this,chunk_t *value) -{ - bn2chunk(this->dh->pub_key, value); -} /** - * Implementation of openssl_diffie_hellman_t.get_shared_secret. + * Implementation of openssl_diffie_hellman_t.set_other_public_value. */ -static status_t get_shared_secret(private_openssl_diffie_hellman_t *this, chunk_t *secret) +static void set_other_public_value(private_openssl_diffie_hellman_t *this, + chunk_t value) { - if (!this->computed) + int len; + + BN_bin2bn(value.ptr, value.len, this->pub_key); + chunk_clear(&this->shared_secret); + this->shared_secret.ptr = malloc(DH_size(this->dh)); + memset(this->shared_secret.ptr, 0xFF, this->shared_secret.len); + len = DH_compute_key(this->shared_secret.ptr, this->pub_key, this->dh); + if (len < 0) { - return FAILED; + DBG1("DH shared secret computation failed"); + return; } - *secret = chunk_clone(this->shared_secret); - return SUCCESS; + this->shared_secret.len = len; + this->computed = TRUE; } /** @@ -173,6 +168,11 @@ static diffie_hellman_group_t get_dh_group(private_openssl_diffie_hellman_t *thi static status_t set_modulus(private_openssl_diffie_hellman_t *this) { int i; + bool ansi_x9_42; + + ansi_x9_42 = lib->settings->get_bool(lib->settings, + "charon.dh_exponent_ansi_x9_42", TRUE); + for (i = 0; i < (sizeof(modulus_entries) / sizeof(modulus_entry_t)); i++) { if (modulus_entries[i].group == this->group) @@ -180,6 +180,10 @@ static status_t set_modulus(private_openssl_diffie_hellman_t *this) this->dh->p = modulus_entries[i].get_prime(NULL); this->dh->g = BN_new(); BN_set_word(this->dh->g, modulus_entries[i].generator); + if (!ansi_x9_42) + { + this->dh->length = modulus_entries[i].opt_exponent_len; + } return SUCCESS; } } @@ -193,7 +197,7 @@ static void destroy(private_openssl_diffie_hellman_t *this) { BN_clear_free(this->pub_key); DH_free(this->dh); - chunk_free(&this->shared_secret); + chunk_clear(&this->shared_secret); free(this); } @@ -206,7 +210,6 @@ openssl_diffie_hellman_t *openssl_diffie_hellman_create(diffie_hellman_group_t g this->public.dh.get_shared_secret = (status_t (*)(diffie_hellman_t *, chunk_t *)) get_shared_secret; this->public.dh.set_other_public_value = (void (*)(diffie_hellman_t *, chunk_t )) set_other_public_value; - this->public.dh.get_other_public_value = (status_t (*)(diffie_hellman_t *, chunk_t *)) get_other_public_value; this->public.dh.get_my_public_value = (void (*)(diffie_hellman_t *, chunk_t *)) get_my_public_value; this->public.dh.get_dh_group = (diffie_hellman_group_t (*)(diffie_hellman_t *)) get_dh_group; this->public.dh.destroy = (void (*)(diffie_hellman_t *)) destroy; @@ -220,7 +223,6 @@ openssl_diffie_hellman_t *openssl_diffie_hellman_create(diffie_hellman_group_t g this->group = group; this->computed = FALSE; - this->pub_key = BN_new(); this->shared_secret = chunk_empty; @@ -237,6 +239,7 @@ openssl_diffie_hellman_t *openssl_diffie_hellman_create(diffie_hellman_group_t g destroy(this); return NULL; } + DBG2("size of DH secret exponent: %d bits", BN_num_bits(this->dh->priv_key)); return &this->public; } diff --git a/src/libstrongswan/plugins/openssl/openssl_ec_diffie_hellman.c b/src/libstrongswan/plugins/openssl/openssl_ec_diffie_hellman.c index 9d2bd44cd..9a89ad045 100644 --- a/src/libstrongswan/plugins/openssl/openssl_ec_diffie_hellman.c +++ b/src/libstrongswan/plugins/openssl/openssl_ec_diffie_hellman.c @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: openssl_ec_diffie_hellman.c 4052 2008-06-10 09:19:18Z tobias $ + * $Id: openssl_ec_diffie_hellman.c 4566 2008-11-04 13:12:11Z martin $ */ #include <openssl/ec.h> @@ -217,24 +217,6 @@ static void set_other_public_value(private_openssl_ec_diffie_hellman_t *this, ch } /** - * Implementation of openssl_ec_diffie_hellman_t.get_other_public_value. - */ -static status_t get_other_public_value(private_openssl_ec_diffie_hellman_t *this, - chunk_t *value) -{ - if (!this->computed) - { - return FAILED; - } - - if (!ecp2chunk(this->ec_group, this->pub_key, value)) - { - return FAILED; - } - return SUCCESS; -} - -/** * Implementation of openssl_ec_diffie_hellman_t.get_my_public_value. */ static void get_my_public_value(private_openssl_ec_diffie_hellman_t *this,chunk_t *value) @@ -283,7 +265,6 @@ openssl_ec_diffie_hellman_t *openssl_ec_diffie_hellman_create(diffie_hellman_gro this->public.dh.get_shared_secret = (status_t (*)(diffie_hellman_t *, chunk_t *)) get_shared_secret; this->public.dh.set_other_public_value = (void (*)(diffie_hellman_t *, chunk_t )) set_other_public_value; - this->public.dh.get_other_public_value = (status_t (*)(diffie_hellman_t *, chunk_t *)) get_other_public_value; this->public.dh.get_my_public_value = (void (*)(diffie_hellman_t *, chunk_t *)) get_my_public_value; this->public.dh.get_dh_group = (diffie_hellman_group_t (*)(diffie_hellman_t *)) get_dh_group; this->public.dh.destroy = (void (*)(diffie_hellman_t *)) destroy; diff --git a/src/libstrongswan/plugins/openssl/openssl_plugin.c b/src/libstrongswan/plugins/openssl/openssl_plugin.c index 82c54a95e..dcc78aed6 100644 --- a/src/libstrongswan/plugins/openssl/openssl_plugin.c +++ b/src/libstrongswan/plugins/openssl/openssl_plugin.c @@ -1,5 +1,6 @@ /* * Copyright (C) 2008 Tobias Brunner + * Copyright (C) 2008 Martin Willi * Hochschule fuer Technik Rapperswil * * This program is free software; you can redistribute it and/or modify it @@ -12,15 +13,18 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: openssl_plugin.c 4309 2008-08-28 11:07:57Z martin $ + * $Id: openssl_plugin.c 4583 2008-11-05 12:37:37Z martin $ */ #include <openssl/evp.h> #include <openssl/engine.h> +#include <openssl/crypto.h> +#include <pthread.h> #include "openssl_plugin.h" #include <library.h> +#include <utils/mutex.h> #include "openssl_crypter.h" #include "openssl_hasher.h" #include "openssl_diffie_hellman.h" @@ -44,6 +48,120 @@ struct private_openssl_plugin_t { }; /** + * Array of static mutexs, with CRYPTO_num_locks() mutex + */ +static mutex_t **mutex = NULL; + +/** + * Locking callback for static locks + */ +static void locking_function(int mode, int type, const char *file, int line) +{ + if (mutex) + { + if (mode & CRYPTO_LOCK) + { + mutex[type]->lock(mutex[type]); + } + else + { + mutex[type]->unlock(mutex[type]); + } + } +} + +/** + * Implementation of dynlock + */ +struct CRYPTO_dynlock_value { + mutex_t *mutex; +}; + +/** + * Callback to create a dynamic lock + */ +static struct CRYPTO_dynlock_value *create_function(const char *file, int line) +{ + struct CRYPTO_dynlock_value *lock; + + lock = malloc_thing(struct CRYPTO_dynlock_value); + lock->mutex = mutex_create(MUTEX_DEFAULT); + return lock; +} + +/** + * Callback to (un-)lock a dynamic lock + */ +static void lock_function(int mode, struct CRYPTO_dynlock_value *lock, + const char *file, int line) +{ + if (mode & CRYPTO_LOCK) + { + lock->mutex->lock(lock->mutex); + } + else + { + lock->mutex->unlock(lock->mutex); + } +} + +/** + * Callback to destroy a dynamic lock + */ +static void destroy_function(struct CRYPTO_dynlock_value *lock, + const char *file, int line) +{ + lock->mutex->destroy(lock->mutex); + free(lock); +} + +/** + * Thread-ID callback function + */ +static unsigned long id_function(void) +{ + return pthread_self(); +} + +/** + * initialize OpenSSL for multi-threaded use + */ +static void threading_init() +{ + int i, num_locks; + + CRYPTO_set_id_callback(id_function); + CRYPTO_set_locking_callback(locking_function); + + CRYPTO_set_dynlock_create_callback(create_function); + CRYPTO_set_dynlock_lock_callback(lock_function); + CRYPTO_set_dynlock_destroy_callback(destroy_function); + + num_locks = CRYPTO_num_locks(); + mutex = malloc(sizeof(mutex_t*) * num_locks); + for (i = 0; i < num_locks; i++) + { + mutex[i] = mutex_create(MUTEX_DEFAULT); + } +} + +/** + * cleanup OpenSSL threading locks + */ +static void threading_cleanup() +{ + int i, num_locks; + + num_locks = CRYPTO_num_locks(); + for (i = 0; i < num_locks; i++) + { + mutex[i]->destroy(mutex[i]); + } + free(mutex); + mutex = NULL; +} + +/** * Implementation of openssl_plugin_t.destroy */ static void destroy(private_openssl_plugin_t *this) @@ -68,6 +186,8 @@ static void destroy(private_openssl_plugin_t *this) ENGINE_cleanup(); EVP_cleanup(); + threading_cleanup(); + free(this); } @@ -80,6 +200,8 @@ plugin_t *plugin_create() this->public.plugin.destroy = (void(*)(plugin_t*))destroy; + threading_init(); + OpenSSL_add_all_algorithms(); /* activate support for hardware accelerators */ diff --git a/src/libstrongswan/plugins/openssl/openssl_rsa_private_key.c b/src/libstrongswan/plugins/openssl/openssl_rsa_private_key.c index 8ad75215a..a815ce622 100644 --- a/src/libstrongswan/plugins/openssl/openssl_rsa_private_key.c +++ b/src/libstrongswan/plugins/openssl/openssl_rsa_private_key.c @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: openssl_rsa_private_key.c 4317 2008-09-02 11:00:13Z martin $ + * $Id: openssl_rsa_private_key.c 4564 2008-11-04 13:01:36Z martin $ */ #include "openssl_rsa_private_key.h" @@ -74,9 +74,11 @@ openssl_rsa_public_key_t *openssl_rsa_public_key_create_from_n_e(BIGNUM *n, BIGN * Build an EMPSA PKCS1 signature described in PKCS#1 */ static bool build_emsa_pkcs1_signature(private_openssl_rsa_private_key_t *this, - int type, chunk_t data, chunk_t *signature) + int type, chunk_t data, chunk_t *out) { bool success = FALSE; + u_char *sig = NULL; + u_int len; const EVP_MD *hasher = EVP_get_digestbynid(type); if (!hasher) { @@ -105,14 +107,17 @@ static bool build_emsa_pkcs1_signature(private_openssl_rsa_private_key_t *this, goto error; } - *signature = chunk_alloc(RSA_size(this->rsa)); - - if (!EVP_SignFinal(ctx, signature->ptr, &signature->len, key)) + sig = malloc(EVP_PKEY_size(key)); + if (EVP_SignFinal(ctx, sig, &len, key)) { - goto error; + out->ptr = sig; + out->len = len; + success = TRUE; + } + else + { + free(sig); } - - success = TRUE; error: if (key) diff --git a/src/libstrongswan/plugins/openssl/openssl_rsa_public_key.c b/src/libstrongswan/plugins/openssl/openssl_rsa_public_key.c index 61b5b9b64..794fa8123 100644 --- a/src/libstrongswan/plugins/openssl/openssl_rsa_public_key.c +++ b/src/libstrongswan/plugins/openssl/openssl_rsa_public_key.c @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: openssl_rsa_public_key.c 4317 2008-09-02 11:00:13Z martin $ + * $Id: openssl_rsa_public_key.c 4567 2008-11-04 14:05:42Z martin $ */ #include "openssl_rsa_public_key.h" @@ -90,13 +90,11 @@ static bool verify_emsa_pkcs1_signature(private_openssl_rsa_public_key_t *this, goto error; } - /* remove any preceding 0-bytes from signature */ - while (signature.len && *(signature.ptr) == 0x00) + /* VerifyFinal expects a signature of exactly RSA size (no leading 0x00) */ + if (signature.len > RSA_size(this->rsa)) { - signature.len -= 1; - signature.ptr++; + signature = chunk_skip(signature, signature.len - RSA_size(this->rsa)); } - valid = (EVP_VerifyFinal(ctx, signature.ptr, signature.len, key) == 1); error: diff --git a/src/libstrongswan/plugins/x509/x509_ac.c b/src/libstrongswan/plugins/x509/x509_ac.c index caae5e08d..257a903e4 100644 --- a/src/libstrongswan/plugins/x509/x509_ac.c +++ b/src/libstrongswan/plugins/x509/x509_ac.c @@ -21,6 +21,8 @@ #include "x509_ac.h" #include "ietf_attr_list.h" +#include <time.h> + #include <library.h> #include <debug.h> #include <asn1/oid.h> diff --git a/src/libstrongswan/plugins/x509/x509_cert.c b/src/libstrongswan/plugins/x509/x509_cert.c index c82d14a17..9f76c3486 100644 --- a/src/libstrongswan/plugins/x509/x509_cert.c +++ b/src/libstrongswan/plugins/x509/x509_cert.c @@ -17,7 +17,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: x509_cert.c 4317 2008-09-02 11:00:13Z martin $ + * $Id: x509_cert.c 4576 2008-11-05 08:32:38Z martin $ */ #define _GNU_SOURCE @@ -25,6 +25,7 @@ #include "x509_cert.h" #include <sys/stat.h> +#include <time.h> #include <unistd.h> #include <string.h> #include <stdio.h> diff --git a/src/libstrongswan/plugins/x509/x509_crl.c b/src/libstrongswan/plugins/x509/x509_crl.c index eb9bfe903..8375d88ef 100644 --- a/src/libstrongswan/plugins/x509/x509_crl.c +++ b/src/libstrongswan/plugins/x509/x509_crl.c @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: x509_crl.c 4317 2008-09-02 11:00:13Z martin $ + * $Id: x509_crl.c 4576 2008-11-05 08:32:38Z martin $ */ #include "x509_crl.h" @@ -20,6 +20,8 @@ typedef struct private_x509_crl_t private_x509_crl_t; typedef struct revoked_t revoked_t; +#include <time.h> + #include <debug.h> #include <library.h> #include <asn1/oid.h> diff --git a/src/libstrongswan/settings.c b/src/libstrongswan/settings.c index 6f9e40395..a02823ba0 100644 --- a/src/libstrongswan/settings.c +++ b/src/libstrongswan/settings.c @@ -88,9 +88,50 @@ struct kv_t { char *value; }; -static char *find(section_t *section, char *key) +/** + * find a section by a given key + */ +static section_t *find_section(section_t *section, char *key, va_list args) +{ + char name[512], *pos; + enumerator_t *enumerator; + section_t *current, *found = NULL; + + if (section == NULL) + { + return NULL; + } + if (vsnprintf(name, sizeof(name), key, args) >= sizeof(name)) + { + return NULL; + } + + pos = strchr(name, '.'); + if (pos) + { + *pos = '\0'; + pos++; + } + enumerator = section->sections->create_enumerator(section->sections); + while (enumerator->enumerate(enumerator, ¤t)) + { + if (streq(current->name, name)) + { + found = current; + break; + } + } + enumerator->destroy(enumerator); + if (found && pos) + { + return find_section(found, pos, args); + } + return found; +} + +static char *find_value(section_t *section, char *key, va_list args) { - char *name, *pos, *value = NULL; + char name[512], *pos, *value = NULL; enumerator_t *enumerator; kv_t *kv; section_t *current, *found = NULL; @@ -100,7 +141,10 @@ static char *find(section_t *section, char *key) return NULL; } - name = strdupa(key); + if (vsnprintf(name, sizeof(name), key, args) >= sizeof(name)) + { + return NULL; + } pos = strchr(name, '.'); if (pos) @@ -119,7 +163,7 @@ static char *find(section_t *section, char *key) enumerator->destroy(enumerator); if (found) { - return find(found, pos); + return find_value(found, pos, args); } } else @@ -141,11 +185,14 @@ static char *find(section_t *section, char *key) /** * Implementation of settings_t.get. */ -static char* get_str(private_settings_t *this, char *key, char *def) +static char* get_str(private_settings_t *this, char *key, char *def, ...) { char *value; + va_list args; - value = find(this->top, key); + va_start(args, def); + value = find_value(this->top, key, args); + va_end(args); if (value) { return value; @@ -156,11 +203,14 @@ static char* get_str(private_settings_t *this, char *key, char *def) /** * Implementation of settings_t.get_bool. */ -static bool get_bool(private_settings_t *this, char *key, bool def) +static bool get_bool(private_settings_t *this, char *key, bool def, ...) { char *value; + va_list args; - value = find(this->top, key); + va_start(args, def); + value = find_value(this->top, key, args); + va_end(args); if (value) { if (strcasecmp(value, "true") == 0 || @@ -184,12 +234,15 @@ static bool get_bool(private_settings_t *this, char *key, bool def) /** * Implementation of settings_t.get_int. */ -static int get_int(private_settings_t *this, char *key, int def) +static int get_int(private_settings_t *this, char *key, int def, ...) { char *value; int intval; + va_list args; - value = find(this->top, key); + va_start(args, def); + value = find_value(this->top, key, args); + va_end(args); if (value) { errno = 0; @@ -205,12 +258,15 @@ static int get_int(private_settings_t *this, char *key, int def) /** * Implementation of settings_t.get_time. */ -static u_int32_t get_time(private_settings_t *this, char *key, u_int32_t def) +static u_int32_t get_time(private_settings_t *this, char *key, u_int32_t def, ...) { char *value, *endptr; u_int32_t timeval; + va_list args; - value = find(this->top, key); + va_start(args, def); + value = find_value(this->top, key, args); + va_end(args); if (value) { errno = 0; @@ -239,6 +295,37 @@ static u_int32_t get_time(private_settings_t *this, char *key, u_int32_t def) } /** + * Enumerate section names, not sections + */ +static bool section_filter(void *null, section_t **in, char **out) +{ + *out = (*in)->name; + return TRUE; +} + +/** + * Implementation of settings_t.create_section_enumerator + */ +static enumerator_t* create_section_enumerator(private_settings_t *this, + char *key, ...) +{ + section_t *section; + va_list args; + + va_start(args, key); + section = find_section(this->top, key, args); + va_end(args); + + if (!section) + { + return enumerator_create_empty(); + } + return enumerator_create_filter( + section->sections->create_enumerator(section->sections), + (void*)section_filter, NULL, NULL); +} + +/** * destroy a section */ static void section_destroy(section_t *this) @@ -400,10 +487,11 @@ settings_t *settings_create(char *file) { private_settings_t *this = malloc_thing(private_settings_t); - this->public.get_str = (char*(*)(settings_t*, char *key, char* def))get_str; - this->public.get_int = (int(*)(settings_t*, char *key, int def))get_int; - this->public.get_time = (u_int32_t(*)(settings_t*, char *key, u_int32_t def))get_time; - this->public.get_bool = (bool(*)(settings_t*, char *key, bool def))get_bool; + this->public.get_str = (char*(*)(settings_t*, char *key, char* def, ...))get_str; + this->public.get_int = (int(*)(settings_t*, char *key, int def, ...))get_int; + this->public.get_time = (u_int32_t(*)(settings_t*, char *key, u_int32_t def, ...))get_time; + this->public.get_bool = (bool(*)(settings_t*, char *key, bool def, ...))get_bool; + this->public.create_section_enumerator = (enumerator_t*(*)(settings_t*,char *section, ...))create_section_enumerator; this->public.destroy = (void(*)(settings_t*))destroy; this->top = NULL; diff --git a/src/libstrongswan/settings.h b/src/libstrongswan/settings.h index 451c2a583..0f41878c5 100644 --- a/src/libstrongswan/settings.h +++ b/src/libstrongswan/settings.h @@ -26,11 +26,12 @@ typedef struct settings_t settings_t; #include <library.h> +#include <utils/enumerator.h> /** * Generic configuration options read from a config file. * - * The sytax is quite simple: + * The syntax is quite simple: * * settings := (section|keyvalue)* * section := name { settings } @@ -38,8 +39,8 @@ typedef struct settings_t settings_t; * * E.g.: * @code - a = b - section-one { + a = b + section-one { somevalue = asdf subsection { othervalue = xxx @@ -58,43 +59,56 @@ struct settings_t { /** * Get a settings value as a string. * - * @param key key including sections + * @param key key including sections, printf style format * @param def value returned if key not found + * @param ... argument list for key * @return value pointing to internal string */ - char* (*get_str)(settings_t *this, char *key, char *def); + char* (*get_str)(settings_t *this, char *key, char *def, ...); /** * Get a boolean yes|no, true|false value. * - * @param jey key including sections - * @param def default value returned if key not found + * @param key key including sections, printf style format + * @param def value returned if key not found + * @param ... argument list for key * @return value of the key */ - bool (*get_bool)(settings_t *this, char *key, bool def); + bool (*get_bool)(settings_t *this, char *key, bool def, ...); /** * Get an integer value. * - * @param key key including sections - * @param def default value to return if key not found + * @param key key including sections, printf style format + * @param def value returned if key not found + * @param ... argument list for key * @return value of the key */ - int (*get_int)(settings_t *this, char *key, int def); + int (*get_int)(settings_t *this, char *key, int def, ...); /** * Get a time value. * - * @param key key including sections - * @param def default value to return if key not found + * @param key key including sections, printf style format + * @param def value returned if key not found + * @param ... argument list for key * @return value of the key */ - u_int32_t (*get_time)(settings_t *this, char *key, u_int32_t def); - + u_int32_t (*get_time)(settings_t *this, char *key, u_int32_t def, ...); + /** - * Destroy a settings instance. - */ - void (*destroy)(settings_t *this); + * Create an enumerator over subsection names of a section. + * + * @param section section including parents, printf style format + * @param ... argument list for key + * @return enumerator over subsection names + */ + enumerator_t* (*create_section_enumerator)(settings_t *this, + char *section, ...); + /** + * Destroy a settings instance. + */ + void (*destroy)(settings_t *this); }; /** diff --git a/src/libstrongswan/utils.h b/src/libstrongswan/utils.h index 4af7df9ad..a5900201a 100644 --- a/src/libstrongswan/utils.h +++ b/src/libstrongswan/utils.h @@ -13,7 +13,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: utils.h 4305 2008-08-28 07:47:55Z tobias $ + * $Id: utils.h 4632 2008-11-11 18:37:19Z martin $ */ /** @@ -96,6 +96,11 @@ #define countof(array) (sizeof(array)/sizeof(array[0])) /** + * Ignore result of functions tagged with warn_unused_result attributes + */ +#define ignore_result(call) { if(call); } + +/** * Assign a function as a class method */ #define ASSIGN(method, function) (method = (typeof(method))function) diff --git a/src/libstrongswan/utils/backtrace.c b/src/libstrongswan/utils/backtrace.c new file mode 100644 index 000000000..3caafdc38 --- /dev/null +++ b/src/libstrongswan/utils/backtrace.c @@ -0,0 +1,183 @@ +/* + * Copyright (C) 2006-2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * $Id$ + */ + +#define _GNU_SOURCE + +#ifdef HAVE_DLADDR +# include <dlfcn.h> +#endif /* HAVE_DLADDR */ + +#ifdef HAVE_BACKTRACE +# include <execinfo.h> +#endif /* HAVE_BACKTRACE */ + +#include "backtrace.h" + +typedef struct private_backtrace_t private_backtrace_t; + +/** + * Private data of an backtrace_t object. + */ +struct private_backtrace_t { + + /** + * Public backtrace_t interface. + */ + backtrace_t public; + + /** + * Number of stacks frames obtained in stack_frames + */ + int frame_count; + + /** + * Recorded stack frames. + */ + void *frames[]; +}; + +/** + * Implementation of backtrace_t.log + */ +static void log_(private_backtrace_t *this, FILE *file) +{ +#ifdef HAVE_BACKTRACE + size_t i; + char **strings; + + strings = backtrace_symbols(this->frames, this->frame_count); + + fprintf(file, " dumping %d stack frame addresses:\n", this->frame_count); + for (i = 0; i < this->frame_count; i++) + { +#ifdef HAVE_DLADDR + Dl_info info; + + if (dladdr(this->frames[i], &info)) + { + char cmd[1024]; + FILE *output; + char c; + void *ptr = this->frames[i]; + + if (strstr(info.dli_fname, ".so")) + { + ptr = (void*)(this->frames[i] - info.dli_fbase); + } + snprintf(cmd, sizeof(cmd), "addr2line -e %s %p", info.dli_fname, ptr); + if (info.dli_sname) + { + fprintf(file, " \e[33m%s\e[0m @ %p (\e[31m%s\e[0m+0x%x) [%p]\n", + info.dli_fname, info.dli_fbase, info.dli_sname, + this->frames[i] - info.dli_saddr, this->frames[i]); + } + else + { + fprintf(file, " \e[33m%s\e[0m @ %p [%p]\n", info.dli_fname, + info.dli_fbase, this->frames[i]); + } + fprintf(file, " -> \e[32m"); + output = popen(cmd, "r"); + if (output) + { + while (TRUE) + { + c = getc(output); + if (c == '\n' || c == EOF) + { + break; + } + fputc(c, file); + } + pclose(output); + } + else + { +#endif /* HAVE_DLADDR */ + fprintf(file, " %s\n", strings[i]); +#ifdef HAVE_DLADDR + } + fprintf(file, "\n\e[0m"); + } + else + { + fprintf(file, " %s\n", strings[i]); + } +#endif /* HAVE_DLADDR */ + } + free (strings); +#else /* !HAVE_BACKTRACE */ + fprintf(file, "C library does not support backtrace().\n"); +#endif /* HAVE_BACKTRACE */ +} + +/** + * Implementation of backtrace_t.contains_function + */ +static bool contains_function(private_backtrace_t *this, char *function) +{ +#ifdef HAVE_DLADDR + int i; + + for (i = 0; i< this->frame_count; i++) + { + Dl_info info; + + if (dladdr(this->frames[i], &info) && info.dli_sname) + { + if (streq(info.dli_sname, function)) + { + return TRUE; + } + } + } +#endif /* HAVE_DLADDR */ + return FALSE; +} + +/** + * Implementation of backtrace_t.destroy. + */ +static void destroy(private_backtrace_t *this) +{ + free(this); +} + +/** + * See header + */ +backtrace_t *backtrace_create(int skip) +{ + private_backtrace_t *this; + void *frames[50]; + int frame_count = 0; + +#ifdef HAVE_BACKTRACE + frame_count = backtrace(frames, countof(frames)); +#endif /* HAVE_BACKTRACE */ + frame_count = max(frame_count - skip, 0); + this = malloc(sizeof(private_backtrace_t) + frame_count * sizeof(void*)); + memcpy(this->frames, frames + skip, frame_count * sizeof(void*)); + this->frame_count = frame_count; + + this->public.log = (void(*)(backtrace_t*,FILE*))log_; + this->public.contains_function = (bool(*)(backtrace_t*, char *function))contains_function; + this->public.destroy = (void(*)(backtrace_t*))destroy; + + return &this->public; +} + diff --git a/src/libstrongswan/utils/backtrace.h b/src/libstrongswan/utils/backtrace.h new file mode 100644 index 000000000..72effd01e --- /dev/null +++ b/src/libstrongswan/utils/backtrace.h @@ -0,0 +1,63 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +/** + * @defgroup backtrace backtrace + * @{ @ingroup utils + */ + +#ifndef BACKTRACE_H_ +#define BACKTRACE_H_ + +#include <stdio.h> + +#include <library.h> + +typedef struct backtrace_t backtrace_t; + +/** + * A backtrace registers the frames on the stack during creation. + */ +struct backtrace_t { + + /** + * Log the backtrace to a FILE stream. + */ + void (*log)(backtrace_t *this, FILE *file); + + /** + * Check if the backtrace contains a frame in a specific function. + * + * @param function name + * @return TRUE if function is in the stack + */ + bool (*contains_function)(backtrace_t *this, char *function); + + /** + * Destroy a backtrace instance. + */ + void (*destroy)(backtrace_t *this); +}; + +/** + * Create a backtrace of the current stack. + * + * @param skip how many of the innerst frames to skip + * @return backtrace + */ +backtrace_t *backtrace_create(int skip); + +#endif /* BACKTRACE_H_ @}*/ + diff --git a/src/libstrongswan/utils/host.c b/src/libstrongswan/utils/host.c index eb87f27bc..4702222e8 100644 --- a/src/libstrongswan/utils/host.c +++ b/src/libstrongswan/utils/host.c @@ -15,7 +15,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: host.c 4056 2008-06-11 07:44:23Z martin $ + * $Id: host.c 4639 2008-11-12 15:09:24Z martin $ */ #define _GNU_SOURCE @@ -27,6 +27,9 @@ #include <debug.h> +#define IPV4_LEN 4 +#define IPV6_LEN 16 + typedef struct private_host_t private_host_t; /** @@ -83,17 +86,17 @@ static bool is_anyaddr(private_host_t *this) { case AF_INET: { - u_int8_t default_route[4]; - memset(default_route, 0, sizeof(default_route)); - return memeq(default_route, &(this->address4.sin_addr.s_addr), - sizeof(default_route)); + u_int8_t zeroes[IPV4_LEN]; + + memset(zeroes, 0, IPV4_LEN); + return memeq(zeroes, &(this->address4.sin_addr.s_addr), IPV4_LEN); } case AF_INET6: { - u_int8_t default_route[16]; - memset(default_route, 0, sizeof(default_route)); - return memeq(default_route, &(this->address6.sin6_addr.s6_addr), - sizeof(default_route)); + u_int8_t zeroes[IPV6_LEN]; + + memset(zeroes, 0, IPV6_LEN); + return memeq(zeroes, &(this->address6.sin6_addr.s6_addr), IPV6_LEN); } default: { @@ -196,13 +199,13 @@ static chunk_t get_address(private_host_t *this) case AF_INET: { address.ptr = (char*)&(this->address4.sin_addr.s_addr); - address.len = 4; + address.len = IPV4_LEN; return address; } case AF_INET6: { address.ptr = (char*)&(this->address6.sin6_addr.s6_addr); - address.len = 16; + address.len = IPV6_LEN; return address; } default: @@ -285,33 +288,21 @@ static bool ip_equals(private_host_t *this, private_host_t *other) { if (this->address.sa_family != other->address.sa_family) { - /* 0.0.0.0 and ::0 are equal */ - if (is_anyaddr(this) && is_anyaddr(other)) - { - return TRUE; - } - - return FALSE; + /* 0.0.0.0 and 0::0 are equal */ + return (is_anyaddr(this) && is_anyaddr(other)); } switch (this->address.sa_family) { case AF_INET: { - if (memeq(&this->address4.sin_addr, &other->address4.sin_addr, - sizeof(this->address4.sin_addr))) - { - return TRUE; - } - break; + return memeq(&this->address4.sin_addr, &other->address4.sin_addr, + sizeof(this->address4.sin_addr)); } case AF_INET6: { - if (memeq(&this->address6.sin6_addr, &other->address6.sin6_addr, - sizeof(this->address6.sin6_addr))) - { - return TRUE; - } + return memeq(&this->address6.sin6_addr, &other->address6.sin6_addr, + sizeof(this->address6.sin6_addr)); } default: break; @@ -340,7 +331,7 @@ static host_diff_t get_differences(host_t *this, host_t *other) } /** - * Impelements host_t.equals + * Implements host_t.equals */ static bool equals(private_host_t *this, private_host_t *other) { @@ -353,19 +344,11 @@ static bool equals(private_host_t *this, private_host_t *other) { case AF_INET: { - if (this->address4.sin_port == other->address4.sin_port) - { - return TRUE; - } - break; + return (this->address4.sin_port == other->address4.sin_port); } case AF_INET6: { - if (this->address6.sin6_port == other->address6.sin6_port) - { - return TRUE; - } - break; + return (this->address6.sin6_port == other->address6.sin6_port); } default: break; @@ -409,8 +392,14 @@ static private_host_t *host_create_empty(void) */ host_t *host_create_from_string(char *string, u_int16_t port) { - private_host_t *this = host_create_empty(); + private_host_t *this; + if (streq(string, "%any")) + { + return host_create_any(AF_INET); + } + + this = host_create_empty(); if (strchr(string, '.')) { this->address.sa_family = AF_INET; @@ -419,7 +408,6 @@ host_t *host_create_from_string(char *string, u_int16_t port) { this->address.sa_family = AF_INET6; } - switch (this->address.sa_family) { case AF_INET: @@ -460,9 +448,14 @@ host_t *host_create_from_dns(char *string, int af, u_int16_t port) struct hostent host, *ptr; char buf[512]; int err, ret; - - if (strchr(string, ':')) - { /* gethostbyname does not like IPv6 addresses, fallback */ + + if (streq(string, "%any")) + { + return host_create_any(af ? af : AF_INET); + } + else if (strchr(string, ':')) + { + /* gethostbyname does not like IPv6 addresses - fallback */ return host_create_from_string(string, port); } @@ -511,38 +504,56 @@ host_t *host_create_from_dns(char *string, int af, u_int16_t port) */ host_t *host_create_from_chunk(int family, chunk_t address, u_int16_t port) { - private_host_t *this = host_create_empty(); + private_host_t *this; - this->address.sa_family = family; switch (family) { case AF_INET: - { - if (address.len != 4) + if (address.len < IPV4_LEN) { - break; + return NULL; } - memcpy(&(this->address4.sin_addr.s_addr), address.ptr,4); - this->address4.sin_port = htons(port); - this->socklen = sizeof(struct sockaddr_in); - return &(this->public); - } + address.len = IPV4_LEN; + break; case AF_INET6: - { - if (address.len != 16) + if (address.len < IPV6_LEN) { - break; + return NULL; + } + address.len = IPV6_LEN; + break; + case AF_UNSPEC: + switch (address.len) + { + case IPV4_LEN: + family = AF_INET; + break; + case IPV6_LEN: + family = AF_INET6; + break; + default: + return NULL; } - memcpy(&(this->address6.sin6_addr.s6_addr), address.ptr, 16); + break; + default: + return NULL; + } + this = host_create_empty(); + this->address.sa_family = family; + switch (family) + { + case AF_INET: + memcpy(&this->address4.sin_addr.s_addr, address.ptr, address.len); + this->address4.sin_port = htons(port); + this->socklen = sizeof(struct sockaddr_in); + break; + case AF_INET6: + memcpy(&this->address6.sin6_addr.s6_addr, address.ptr, address.len); this->address6.sin6_port = htons(port); this->socklen = sizeof(struct sockaddr_in6); - return &this->public; - } - default: break; } - free(this); - return NULL; + return &this->public; } /* diff --git a/src/libstrongswan/utils/host.h b/src/libstrongswan/utils/host.h index 6a1d824c6..667cc6bcc 100644 --- a/src/libstrongswan/utils/host.h +++ b/src/libstrongswan/utils/host.h @@ -170,10 +170,12 @@ host_t *host_create_from_string(char *string, u_int16_t port); host_t *host_create_from_dns(char *string, int family, u_int16_t port); /** - * Constructor to create a host_t object from an address chunk + * Constructor to create a host_t object from an address chunk. + * + * If family is AF_UNSPEC, it is guessed using address.len. * * @param family Address family, such as AF_INET or AF_INET6 - * @param address address as chunk_t in networ order + * @param address address as chunk_t in network order * @param port port number * @return host_t, NULL if family not supported/chunk invalid */ diff --git a/src/libstrongswan/utils/iterator.h b/src/libstrongswan/utils/iterator.h index a1bdad1d6..28ee74cd6 100644 --- a/src/libstrongswan/utils/iterator.h +++ b/src/libstrongswan/utils/iterator.h @@ -13,7 +13,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: iterator.h 3589 2008-03-13 14:14:44Z martin $ + * $Id: iterator.h 4577 2008-11-05 08:37:09Z martin $ */ /** @@ -26,43 +26,6 @@ #include <library.h> -typedef enum hook_result_t hook_result_t; - -/** - * Return value of an iterator hook. - * - * Returning HOOK_AGAIN is useful to "inject" additional elements in an - * iteration, HOOK_NEXT is the normal iterator behavior, and HOOK_SKIP may - * be used to filter elements out. - */ -enum hook_result_t { - - /** - * A value was placed in out, hook is called again with the same "in" - */ - HOOK_AGAIN, - - /** - * A value was placed in out, hook is called again with next "in" (if any) - */ - HOOK_NEXT, - - /** - * No value in out, call again with next "in" (if any) - */ - HOOK_SKIP, -}; - -/** - * Iterator hook function prototype. - * - * @param param user supplied parameter - * @param in the value the hook receives from the iterator - * @param out the value supplied as a result to the iterator - * @return a hook_result_t - */ -typedef hook_result_t (iterator_hook_t)(void *param, void *in, void **out); - typedef struct iterator_t iterator_t; @@ -94,24 +57,6 @@ struct iterator_t { bool (*iterate) (iterator_t *this, void** value); /** - * Hook a function into the iterator. - * - * Sometimes it is useful to hook in an iterator. The hook function is - * called before any successful return of iterate(). It takes the - * iterator value, may manipulate it (or the references object), and returns - * the value that the iterate() function returns. Depending on the hook - * return value, the hook is called again, called with next, or skipped. - * A value of NULL deactivates the iterator hook. - * If an iterator is hooked, only the iterate() method is valid, - * all other methods behave undefined. - * - * @param hook iterator hook which manipulates the iterated value - * @param param user supplied parameter to pass back to the hook - */ - void (*set_iterator_hook) (iterator_t *this, iterator_hook_t *hook, - void *param); - - /** * Inserts a new item before the given iterator position. * * The iterator position is not changed after inserting diff --git a/src/libstrongswan/utils/leak_detective.c b/src/libstrongswan/utils/leak_detective.c index bc7f56ebd..73409158d 100644 --- a/src/libstrongswan/utils/leak_detective.c +++ b/src/libstrongswan/utils/leak_detective.c @@ -12,13 +12,8 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: leak_detective.c 4311 2008-08-28 16:27:48Z martin $ + * $Id: leak_detective.c 4609 2008-11-10 16:44:27Z martin $ */ - -#ifdef HAVE_DLADDR -# define _GNU_SOURCE -# include <dlfcn.h> -#endif /* HAVE_DLADDR */ #include <stddef.h> #include <string.h> @@ -28,21 +23,18 @@ #include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> -#include <dlfcn.h> #include <unistd.h> #include <syslog.h> #include <pthread.h> #include <netdb.h> #include <printf.h> #include <locale.h> -#ifdef HAVE_BACKTRACE -# include <execinfo.h> -#endif /* HAVE_BACKTRACE */ #include "leak_detective.h" #include <library.h> #include <debug.h> +#include <utils/backtrace.h> typedef struct private_leak_detective_t private_leak_detective_t; @@ -106,16 +98,6 @@ struct memory_header_t { u_int bytes; /** - * Stack frames at the time of allocation - */ - void *stack_frames[STACK_FRAMES_COUNT]; - - /** - * Number of stacks frames obtained in stack_frames - */ - int stack_frame_count; - - /** * Pointer to previous entry in linked list */ memory_header_t *previous; @@ -126,6 +108,11 @@ struct memory_header_t { memory_header_t *next; /** + * backtrace taken during (re-)allocation + */ + backtrace_t *backtrace; + + /** * magic bytes to detect bad free or heap underflow, MEMORY_HEADER_MAGIC */ u_int32_t magic; @@ -151,7 +138,7 @@ struct memory_tail_t { static memory_header_t first_header = { magic: MEMORY_HEADER_MAGIC, bytes: 0, - stack_frame_count: 0, + backtrace: NULL, previous: NULL, next: NULL }; @@ -162,88 +149,21 @@ static memory_header_t first_header = { static bool installed = FALSE; /** - * log stack frames queried by backtrace() - * TODO: Dump symbols of static functions. This could be done with - * the addr2line utility or the GNU BFD Library... - */ -static void log_stack_frames(void **stack_frames, int stack_frame_count) -{ -#ifdef HAVE_BACKTRACE - size_t i; - char **strings; - - strings = backtrace_symbols(stack_frames, stack_frame_count); - - fprintf(stderr, " dumping %d stack frame addresses:\n", stack_frame_count); - for (i = 0; i < stack_frame_count; i++) - { -#ifdef HAVE_DLADDR - Dl_info info; - - if (dladdr(stack_frames[i], &info)) - { - char cmd[1024]; - FILE *output; - char c; - void *ptr = stack_frames[i]; - - if (strstr(info.dli_fname, ".so")) - { - ptr = (void*)(stack_frames[i] - info.dli_fbase); - } - snprintf(cmd, sizeof(cmd), "addr2line -e %s %p", info.dli_fname, ptr); - if (info.dli_sname) - { - fprintf(stderr, " \e[33m%s\e[0m @ %p (\e[31m%s\e[0m+0x%x) [%p]\n", - info.dli_fname, info.dli_fbase, info.dli_sname, - stack_frames[i] - info.dli_saddr, stack_frames[i]); - } - else - { - fprintf(stderr, " \e[33m%s\e[0m @ %p [%p]\n", info.dli_fname, - info.dli_fbase, stack_frames[i]); - } - fprintf(stderr, " -> \e[32m"); - output = popen(cmd, "r"); - if (output) - { - while (TRUE) - { - c = getc(output); - if (c == '\n' || c == EOF) - { - break; - } - fputc(c, stderr); - } - } - else - { -#endif /* HAVE_DLADDR */ - fprintf(stderr, " %s\n", strings[i]); -#ifdef HAVE_DLADDR - } - fprintf(stderr, "\n\e[0m"); - } -#endif /* HAVE_DLADDR */ - } - free (strings); -#endif /* HAVE_BACKTRACE */ -} - -/** * Leak report white list * * List of functions using static allocation buffers or should be suppressed * otherwise on leak report. */ char *whitelist[] = { + /* backtraces, including own */ + "backtrace_create", /* pthread stuff */ "pthread_create", "pthread_setspecific", /* glibc functions */ "mktime", "__gmtime_r", + "localtime_r", "tzset", "inet_ntoa", "strerror", @@ -284,27 +204,16 @@ char *whitelist[] = { /** * check if a stack frame contains functions listed above */ -static bool is_whitelisted(void **stack_frames, int stack_frame_count) +static bool is_whitelisted(backtrace_t *backtrace) { - int i, j; - -#ifdef HAVE_DLADDR - for (i=0; i< stack_frame_count; i++) + int i; + for (i = 0; i < sizeof(whitelist)/sizeof(char*); i++) { - Dl_info info; - - if (dladdr(stack_frames[i], &info) && info.dli_sname) - { - for (j = 0; j < sizeof(whitelist)/sizeof(char*); j++) - { - if (streq(info.dli_sname, whitelist[j])) - { - return TRUE; - } - } + if (backtrace->contains_function(backtrace, whitelist[i])) + { + return TRUE; } } -#endif /* HAVE_DLADDR */ return FALSE; } @@ -318,7 +227,7 @@ void report_leaks() for (hdr = first_header.next; hdr != NULL; hdr = hdr->next) { - if (is_whitelisted(hdr->stack_frames, hdr->stack_frame_count)) + if (is_whitelisted(hdr->backtrace)) { whitelisted++; } @@ -326,7 +235,7 @@ void report_leaks() { fprintf(stderr, "Leak (%d bytes at %p):\n", hdr->bytes, hdr + 1); /* skip the first frame, contains leak detective logic */ - log_stack_frames(hdr->stack_frames + 1, hdr->stack_frame_count - 1); + hdr->backtrace->log(hdr->backtrace, stderr); leaks++; } } @@ -403,7 +312,7 @@ void *malloc_hook(size_t bytes, const void *caller) hdr->magic = MEMORY_HEADER_MAGIC; hdr->bytes = bytes; - hdr->stack_frame_count = backtrace(hdr->stack_frames, STACK_FRAMES_COUNT); + hdr->backtrace = backtrace_create(3); tail->magic = MEMORY_TAIL_MAGIC; install_hooks(); @@ -426,10 +335,9 @@ void *malloc_hook(size_t bytes, const void *caller) */ void free_hook(void *ptr, const void *caller) { - void *stack_frames[STACK_FRAMES_COUNT]; - int stack_frame_count; memory_header_t *hdr; memory_tail_t *tail; + backtrace_t *backtrace; pthread_t thread_id = pthread_self(); int oldpolicy; struct sched_param oldparams, params; @@ -455,8 +363,9 @@ void free_hook(void *ptr, const void *caller) fprintf(stderr, "freeing invalid memory (%p): " "header magic 0x%x, tail magic 0x%x:\n", ptr, hdr->magic, tail->magic); - stack_frame_count = backtrace(stack_frames, STACK_FRAMES_COUNT); - log_stack_frames(stack_frames, stack_frame_count); + backtrace = backtrace_create(3); + backtrace->log(backtrace, stderr); + backtrace->destroy(backtrace); } else { @@ -466,10 +375,11 @@ void free_hook(void *ptr, const void *caller) hdr->next->previous = hdr->previous; } hdr->previous->next = hdr->next; - + hdr->backtrace->destroy(hdr->backtrace); + /* clear MAGIC, set mem to something remarkable */ memset(hdr, MEMORY_FREE_PATTERN, hdr->bytes + sizeof(memory_header_t)); - + free(hdr); } @@ -483,9 +393,8 @@ void free_hook(void *ptr, const void *caller) void *realloc_hook(void *old, size_t bytes, const void *caller) { memory_header_t *hdr; - void *stack_frames[STACK_FRAMES_COUNT]; - int stack_frame_count; memory_tail_t *tail; + backtrace_t *backtrace; pthread_t thread_id = pthread_self(); int oldpolicy; struct sched_param oldparams, params; @@ -512,8 +421,9 @@ void *realloc_hook(void *old, size_t bytes, const void *caller) fprintf(stderr, "reallocating invalid memory (%p): " "header magic 0x%x, tail magic 0x%x:\n", old, hdr->magic, tail->magic); - stack_frame_count = backtrace(stack_frames, STACK_FRAMES_COUNT); - log_stack_frames(stack_frames, stack_frame_count); + backtrace = backtrace_create(3); + backtrace->log(backtrace, stderr); + backtrace->destroy(backtrace); } /* clear tail magic, allocate, set tail magic */ memset(&tail->magic, MEMORY_ALLOC_PATTERN, sizeof(tail->magic)); @@ -523,7 +433,8 @@ void *realloc_hook(void *old, size_t bytes, const void *caller) /* update statistics */ hdr->bytes = bytes; - hdr->stack_frame_count = backtrace(hdr->stack_frames, STACK_FRAMES_COUNT); + hdr->backtrace->destroy(hdr->backtrace); + hdr->backtrace = backtrace_create(3); /* update header of linked list neighbours */ if (hdr->next) diff --git a/src/libstrongswan/utils/leak_detective.h b/src/libstrongswan/utils/leak_detective.h index 763814726..3773fb8e5 100644 --- a/src/libstrongswan/utils/leak_detective.h +++ b/src/libstrongswan/utils/leak_detective.h @@ -21,11 +21,6 @@ #ifndef LEAK_DETECTIVE_H_ #define LEAK_DETECTIVE_H_ -/** - * Maximum depth stack frames to register - */ -#define STACK_FRAMES_COUNT 20 - typedef struct leak_detective_t leak_detective_t; /** diff --git a/src/libstrongswan/utils/linked_list.c b/src/libstrongswan/utils/linked_list.c index 80c4e6f9f..068d13f99 100644 --- a/src/libstrongswan/utils/linked_list.c +++ b/src/libstrongswan/utils/linked_list.c @@ -14,7 +14,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: linked_list.c 3841 2008-04-18 11:48:53Z tobias $ + * $Id: linked_list.c 4580 2008-11-05 11:55:17Z martin $ */ #include <stdlib.h> @@ -119,21 +119,6 @@ struct private_iterator_t { * Direction of iterator. */ bool forward; - - /** - * Mutex to use to synchronize access - */ - pthread_mutex_t *mutex; - - /** - * iteration hook - */ - iterator_hook_t *hook; - - /** - * user parameter for iterator hook - */ - void *hook_param; }; typedef struct private_enumerator_t private_enumerator_t; @@ -208,75 +193,23 @@ static int get_list_count(private_iterator_t *this) } /** - * default iterator hook which does nothing - */ -static hook_result_t iterator_hook(void *param, void *in, void **out) -{ - *out = in; - return HOOK_NEXT; -} - -/** - * Implementation of iterator_t.set_iterator_hook. + * Implementation of iterator_t.iterate. */ -static void set_iterator_hook(private_iterator_t *this, iterator_hook_t *hook, - void* param) +static bool iterate(private_iterator_t *this, void** value) { - if (hook == NULL) + if (this->forward) { - this->hook = iterator_hook; - this->hook_param = NULL; + this->current = this->current ? this->current->next : this->list->first; } else { - this->hook = hook; - this->hook_param = param; + this->current = this->current ? this->current->previous : this->list->last; } -} - -/** - * Implementation of iterator_t.iterate. - */ -static bool iterate(private_iterator_t *this, void** value) -{ - while (TRUE) + if (this->current == NULL) { - if (this->forward) - { - this->current = this->current ? this->current->next : this->list->first; - } - else - { - this->current = this->current ? this->current->previous : this->list->last; - } - - if (this->current == NULL) - { - return FALSE; - } - - switch (this->hook(this->hook_param, this->current->value, value)) - { - case HOOK_AGAIN: - /* rewind */ - if (this->forward) - { - this->current = this->current->previous; - } - else - { - this->current = this->current->next; - } - break; - case HOOK_NEXT: - /* normal iteration */ - break; - case HOOK_SKIP: - /* advance */ - continue; - } - break; + return FALSE; } + *value = this->current->value; return TRUE; } @@ -428,10 +361,6 @@ static void insert_after(private_iterator_t *iterator, void *item) */ static void iterator_destroy(private_iterator_t *this) { - if (this->mutex) - { - pthread_mutex_unlock(this->mutex); - } free(this); } @@ -632,7 +561,8 @@ static status_t find_first(private_linked_list_t *this, linked_list_match_t matc while (current) { - if (match(current->value, d1, d2, d3, d4, d5)) + if ((match && match(current->value, d1, d2, d3, d4, d5)) || + (!match && item && current->value == *item)) { if (item != NULL) { @@ -655,7 +585,8 @@ static status_t find_last(private_linked_list_t *this, linked_list_match_t match while (current) { - if (match(current->value, d1, d2, d3, d4, d5)) + if ((match && match(current->value, d1, d2, d3, d4, d5)) || + (!match && item && current->value == *item)) { if (item != NULL) { @@ -793,7 +724,6 @@ static iterator_t *create_iterator(private_linked_list_t *linked_list, bool forw this->public.get_count = (int (*) (iterator_t*)) get_list_count; this->public.iterate = (bool (*) (iterator_t*, void **value)) iterate; - this->public.set_iterator_hook = (void(*)(iterator_t*, iterator_hook_t*, void*))set_iterator_hook; this->public.insert_before = (void (*) (iterator_t*, void *item)) insert_before; this->public.insert_after = (void (*) (iterator_t*, void *item)) insert_after; this->public.replace = (status_t (*) (iterator_t*, void **, void *)) replace; @@ -804,22 +734,6 @@ static iterator_t *create_iterator(private_linked_list_t *linked_list, bool forw this->forward = forward; this->current = NULL; this->list = linked_list; - this->mutex = NULL; - this->hook = iterator_hook; - - return &this->public; -} - -/** - * Implementation of linked_list_t.create_iterator_locked. - */ -static iterator_t *create_iterator_locked(private_linked_list_t *linked_list, - pthread_mutex_t *mutex) -{ - private_iterator_t *this = (private_iterator_t*)create_iterator(linked_list, TRUE); - this->mutex = mutex; - - pthread_mutex_lock(mutex); return &this->public; } @@ -833,7 +747,6 @@ linked_list_t *linked_list_create() this->public.get_count = (int (*) (linked_list_t *)) get_count; this->public.create_iterator = (iterator_t * (*) (linked_list_t *,bool))create_iterator; - this->public.create_iterator_locked = (iterator_t * (*) (linked_list_t *,pthread_mutex_t*))create_iterator_locked; this->public.create_enumerator = (enumerator_t*(*)(linked_list_t*))create_enumerator; this->public.get_first = (status_t (*) (linked_list_t *, void **item))get_first; this->public.get_last = (status_t (*) (linked_list_t *, void **item))get_last; diff --git a/src/libstrongswan/utils/linked_list.h b/src/libstrongswan/utils/linked_list.h index 310e91e3c..ba47e7dfb 100644 --- a/src/libstrongswan/utils/linked_list.h +++ b/src/libstrongswan/utils/linked_list.h @@ -1,6 +1,6 @@ /* * Copyright (C) 2007-2008 Tobias Brunner - * Copyright (C) 2005-2006 Martin Willi + * Copyright (C) 2005-2008 Martin Willi * Copyright (C) 2005 Jan Hutter * Hochschule fuer Technik Rapperswil * @@ -14,7 +14,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: linked_list.h 3841 2008-04-18 11:48:53Z tobias $ + * $Id: linked_list.h 4576 2008-11-05 08:32:38Z martin $ */ /** @@ -27,13 +27,10 @@ typedef struct linked_list_t linked_list_t; -#include <pthread.h> - #include <library.h> #include <utils/iterator.h> #include <utils/enumerator.h> - /** * Method to match elements in a linked list (used in find_* functions) * @@ -81,18 +78,6 @@ struct linked_list_t { iterator_t *(*create_iterator) (linked_list_t *this, bool forward); /** - * Creates a iterator, locking a mutex. - * - * The supplied mutex is acquired immediately, and released - * when the iterator gets destroyed. - * - * @param mutex mutex to use for exclusive access - * @return new iterator_t object - */ - iterator_t *(*create_iterator_locked) (linked_list_t *this, - pthread_mutex_t *mutex); - - /** * Create an enumerator over the list. * * The enumerator is a "lightweight" iterator. It only has two methods @@ -130,7 +115,7 @@ struct linked_list_t { * If a compare function is given, it is called for each item, where * the first parameter is the current list item and the second parameter * is the supplied item parameter. - * If compare is NULL, compare is is done by pointer. + * If compare is NULL, compare is done by pointer. * * @param item item to remove/pass to comparator * @param compare compare function, or NULL @@ -179,10 +164,12 @@ struct linked_list_t { * If the supplied function returns TRUE this function returns SUCCESS, and * the current object is returned in the third parameter, otherwise, * the next item is checked. + * + * If match is NULL, *item and the current object are compared. * * @warning Only use pointers as user supplied data. * - * @param match comparison function to call on each object + * @param match comparison function to call on each object, or NULL * @param item the list item, if found * @param ... user data to supply to match function (limited to 5 arguments) * @return SUCCESS if found, NOT_FOUND otherwise @@ -198,9 +185,11 @@ struct linked_list_t { * the current object is returned in the third parameter, otherwise, * the next item is checked. * + * If match is NULL, *item and the current object are compared. + * * @warning Only use pointers as user supplied data. * - * @param match comparison function to call on each object + * @param match comparison function to call on each object, or NULL * @param item the list item, if found * @param ... user data to supply to match function (limited to 5 arguments) * @return SUCCESS if found, NOT_FOUND otherwise diff --git a/src/libstrongswan/utils/mutex.c b/src/libstrongswan/utils/mutex.c index 425389b4f..ddb0d2df6 100644 --- a/src/libstrongswan/utils/mutex.c +++ b/src/libstrongswan/utils/mutex.c @@ -12,24 +12,92 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: mutex.c 3589 2008-03-13 14:14:44Z martin $ + * $Id: mutex.c 4591 2008-11-05 16:12:54Z martin $ */ -#include "mutex.h" - -#include <library.h> -#include <debug.h> - +#define _GNU_SOURCE #include <pthread.h> #include <sys/time.h> +#include <stdint.h> #include <time.h> #include <errno.h> +#include "mutex.h" + +#include <library.h> +#include <debug.h> typedef struct private_mutex_t private_mutex_t; -typedef struct private_n_mutex_t private_n_mutex_t; typedef struct private_r_mutex_t private_r_mutex_t; typedef struct private_condvar_t private_condvar_t; +typedef struct private_rwlock_t private_rwlock_t; + +#ifdef LOCK_PROFILER + +/** + * Do not report mutexes with an overall waiting time smaller than this (in us) + */ +#define PROFILE_TRESHHOLD 1000 + +#include <utils/backtrace.h> + +typedef struct lock_profile_t lock_profile_t; + +struct lock_profile_t { + + /** + * how long threads have waited for the lock in this mutex so far + */ + struct timeval waited; + + /** + * backtrace where mutex has been created + */ + backtrace_t *backtrace; +}; + +/** + * Print and cleanup mutex profiler + */ +static void profiler_cleanup(lock_profile_t *profile) +{ + if (profile->waited.tv_sec > 0 || + profile->waited.tv_usec > PROFILE_TRESHHOLD) + { + fprintf(stderr, "%d.%06ds in lock created at:", + profile->waited.tv_sec, profile->waited.tv_usec); + profile->backtrace->log(profile->backtrace, stderr); + } + profile->backtrace->destroy(profile->backtrace); +} + +/** + * Initialize mutex profiler + */ +static void profiler_init(lock_profile_t *profile) +{ + profile->backtrace = backtrace_create(3); + timerclear(&profile->waited); +} + +#define profiler_start(profile) { \ + struct timeval _start, _end, _diff; \ + gettimeofday(&_start, NULL); + +#define profiler_end(profile) \ + gettimeofday(&_end, NULL); \ + timersub(&_end, &_start, &_diff); \ + timeradd(&(profile)->waited, &_diff, &(profile)->waited); } + +#else /* !LOCK_PROFILER */ + +#define lock_profile_t struct {} +#define profiler_cleanup(...) {} +#define profiler_init(...) {} +#define profiler_start(...) {} +#define profiler_end(...) {} + +#endif /* LOCK_PROFILER */ /** * private data of mutex @@ -45,6 +113,16 @@ struct private_mutex_t { * wrapped pthread mutex */ pthread_mutex_t mutex; + + /** + * is this a recursiv emutex, implementing private_r_mutex_t? + */ + bool recursive; + + /** + * profiling info, if enabled + */ + lock_profile_t profile; }; /** @@ -53,7 +131,7 @@ struct private_mutex_t { struct private_r_mutex_t { /** - * public functions + * Extends private_mutex_t */ private_mutex_t generic; @@ -63,9 +141,9 @@ struct private_r_mutex_t { pthread_t thread; /** - * times we have locked the lock + * times we have locked the lock, stored per thread */ - int times; + pthread_key_t times; }; /** @@ -85,14 +163,37 @@ struct private_condvar_t { }; /** + * private data of rwlock + */ +struct private_rwlock_t { + + /** + * public functions + */ + rwlock_t public; + + /** + * wrapped pthread rwlock + */ + pthread_rwlock_t rwlock; + + /** + * profiling info, if enabled + */ + lock_profile_t profile; +}; + +/** * Implementation of mutex_t.lock. */ static void lock(private_mutex_t *this) { + profiler_start(&this->profile); if (pthread_mutex_lock(&this->mutex)) { DBG1("!!!! MUTEX %sLOCK ERROR, your code is buggy !!!", ""); } + profiler_end(&this->profile); } /** @@ -115,12 +216,19 @@ static void lock_r(private_r_mutex_t *this) if (this->thread == self) { - this->times++; - return; + uintptr_t times; + + /* times++ */ + times = (uintptr_t)pthread_getspecific(this->times); + pthread_setspecific(this->times, (void*)times + 1); + } + else + { + lock(&this->generic); + this->thread = self; + /* times = 1 */ + pthread_setspecific(this->times, (void*)1); } - lock(&this->generic); - this->thread = self; - this->times = 1; } /** @@ -128,7 +236,13 @@ static void lock_r(private_r_mutex_t *this) */ static void unlock_r(private_r_mutex_t *this) { - if (--this->times == 0) + uintptr_t times; + + /* times-- */ + times = (uintptr_t)pthread_getspecific(this->times); + pthread_setspecific(this->times, (void*)--times); + + if (times == 0) { this->thread = 0; unlock(&this->generic); @@ -140,10 +254,22 @@ static void unlock_r(private_r_mutex_t *this) */ static void mutex_destroy(private_mutex_t *this) { + profiler_cleanup(&this->profile); pthread_mutex_destroy(&this->mutex); free(this); } +/** + * Implementation of mutex_t.destroy for recursive mutex' + */ +static void mutex_destroy_r(private_r_mutex_t *this) +{ + profiler_cleanup(&this->generic.profile); + pthread_mutex_destroy(&this->generic.mutex); + pthread_key_delete(this->times); + free(this); +} + /* * see header file */ @@ -154,15 +280,17 @@ mutex_t *mutex_create(mutex_type_t type) case MUTEX_RECURSIVE: { private_r_mutex_t *this = malloc_thing(private_r_mutex_t); - + this->generic.public.lock = (void(*)(mutex_t*))lock_r; this->generic.public.unlock = (void(*)(mutex_t*))unlock_r; - this->generic.public.destroy = (void(*)(mutex_t*))mutex_destroy; - + this->generic.public.destroy = (void(*)(mutex_t*))mutex_destroy_r; + pthread_mutex_init(&this->generic.mutex, NULL); + pthread_key_create(&this->times, NULL); + this->generic.recursive = TRUE; + profiler_init(&this->generic.profile); this->thread = 0; - this->times = 0; - + return &this->generic.public; } case MUTEX_DEFAULT: @@ -173,9 +301,11 @@ mutex_t *mutex_create(mutex_type_t type) this->public.lock = (void(*)(mutex_t*))lock; this->public.unlock = (void(*)(mutex_t*))unlock; this->public.destroy = (void(*)(mutex_t*))mutex_destroy; - + pthread_mutex_init(&this->mutex, NULL); - + this->recursive = FALSE; + profiler_init(&this->profile); + return &this->public; } } @@ -186,7 +316,19 @@ mutex_t *mutex_create(mutex_type_t type) */ static void wait(private_condvar_t *this, private_mutex_t *mutex) { - pthread_cond_wait(&this->condvar, &mutex->mutex); + if (mutex->recursive) + { + private_r_mutex_t* recursive = (private_r_mutex_t*)mutex; + + /* mutex owner gets cleared during condvar wait */ + recursive->thread = 0; + pthread_cond_wait(&this->condvar, &mutex->mutex); + recursive->thread = pthread_self(); + } + else + { + pthread_cond_wait(&this->condvar, &mutex->mutex); + } } /** @@ -198,6 +340,7 @@ static bool timed_wait(private_condvar_t *this, private_mutex_t *mutex, struct timespec ts; struct timeval tv; u_int s, ms; + bool timed_out; gettimeofday(&tv, NULL); @@ -211,8 +354,21 @@ static bool timed_wait(private_condvar_t *this, private_mutex_t *mutex, ts.tv_nsec -= 1000000000; ts.tv_sec++; } - return (pthread_cond_timedwait(&this->condvar, &mutex->mutex, - &ts) == ETIMEDOUT); + if (mutex->recursive) + { + private_r_mutex_t* recursive = (private_r_mutex_t*)mutex; + + recursive->thread = 0; + timed_out = pthread_cond_timedwait(&this->condvar, &mutex->mutex, + &ts) == ETIMEDOUT; + recursive->thread = pthread_self(); + } + else + { + timed_out = pthread_cond_timedwait(&this->condvar, &mutex->mutex, + &ts) == ETIMEDOUT; + } + return timed_out; } /** @@ -265,3 +421,75 @@ condvar_t *condvar_create(condvar_type_t type) } } +/** + * Implementation of rwlock_t.read_lock + */ +static void read_lock(private_rwlock_t *this) +{ + profiler_start(&this->profile); + pthread_rwlock_rdlock(&this->rwlock); + profiler_end(&this->profile); +} + +/** + * Implementation of rwlock_t.write_lock + */ +static void write_lock(private_rwlock_t *this) +{ + profiler_start(&this->profile); + pthread_rwlock_wrlock(&this->rwlock); + profiler_end(&this->profile); +} + +/** + * Implementation of rwlock_t.try_write_lock + */ +static bool try_write_lock(private_rwlock_t *this) +{ + return pthread_rwlock_trywrlock(&this->rwlock) == 0; +} + +/** + * Implementation of rwlock_t.unlock + */ +static void rw_unlock(private_rwlock_t *this) +{ + pthread_rwlock_unlock(&this->rwlock); +} + +/** + * Implementation of rwlock_t.destroy + */ +static void rw_destroy(private_rwlock_t *this) +{ + pthread_rwlock_destroy(&this->rwlock); + profiler_cleanup(&this->profile); + free(this); +} + +/* + * see header file + */ +rwlock_t *rwlock_create(rwlock_type_t type) +{ + switch (type) + { + case RWLOCK_DEFAULT: + default: + { + private_rwlock_t *this = malloc_thing(private_rwlock_t); + + this->public.read_lock = (void(*)(rwlock_t*))read_lock; + this->public.write_lock = (void(*)(rwlock_t*))write_lock; + this->public.try_write_lock = (bool(*)(rwlock_t*))try_write_lock; + this->public.unlock = (void(*)(rwlock_t*))rw_unlock; + this->public.destroy = (void(*)(rwlock_t*))rw_destroy; + + pthread_rwlock_init(&this->rwlock, NULL); + profiler_init(&this->profile); + + return &this->public; + } + } +} + diff --git a/src/libstrongswan/utils/mutex.h b/src/libstrongswan/utils/mutex.h index cf557c35c..a0a198024 100644 --- a/src/libstrongswan/utils/mutex.h +++ b/src/libstrongswan/utils/mutex.h @@ -23,8 +23,10 @@ typedef struct mutex_t mutex_t; typedef struct condvar_t condvar_t; +typedef struct rwlock_t rwlock_t; typedef enum mutex_type_t mutex_type_t; typedef enum condvar_type_t condvar_type_t; +typedef enum rwlock_type_t rwlock_type_t; #include <library.h> @@ -47,6 +49,14 @@ enum condvar_type_t { }; /** + * Type of read-write lock. + */ +enum rwlock_type_t { + /** default condvar */ + RWLOCK_DEFAULT = 0, +}; + +/** * Mutex wrapper implements simple, portable and advanced mutex functions. */ struct mutex_t { @@ -105,6 +115,41 @@ struct condvar_t { }; /** + * Read-Write lock wrapper. + */ +struct rwlock_t { + + /** + * Acquire the read lock. + */ + void (*read_lock)(rwlock_t *this); + + /** + * Acquire the write lock. + */ + void (*write_lock)(rwlock_t *this); + + /** + * Try to acquire the write lock. + * + * Never blocks, but returns FALSE if the lock was already occupied. + * + * @return TRUE if lock acquired + */ + bool (*try_write_lock)(rwlock_t *this); + + /** + * Release any acquired lock. + */ + void (*unlock)(rwlock_t *this); + + /** + * Destroy the read-write lock. + */ + void (*destroy)(rwlock_t *this); +}; + +/** * Create a mutex instance. * * @param type type of mutex to create @@ -120,4 +165,12 @@ mutex_t *mutex_create(mutex_type_t type); */ condvar_t *condvar_create(condvar_type_t type); +/** + * Create a read-write lock instance. + * + * @param type type of rwlock to create + * @return unlocked rwlock instance + */ +rwlock_t *rwlock_create(rwlock_type_t type); + #endif /* MUTEX_H_ @}*/ diff --git a/src/pluto/ac.c b/src/pluto/ac.c index 77e0b40bb..6745ff484 100644 --- a/src/pluto/ac.c +++ b/src/pluto/ac.c @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * RCSID $Id: ac.c 3686 2008-03-28 11:48:14Z martin $ + * RCSID $Id: ac.c 4632 2008-11-11 18:37:19Z martin $ */ #include <stdlib.h> @@ -860,7 +860,7 @@ load_acerts(void) } } /* restore directory path */ - chdir(save_dir); + ignore_result(chdir(save_dir)); } /* diff --git a/src/pluto/ca.c b/src/pluto/ca.c index 099699056..70b26c32c 100644 --- a/src/pluto/ca.c +++ b/src/pluto/ca.c @@ -11,7 +11,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * RCSID $Id: ca.c 3252 2007-10-06 21:24:50Z andreas $ + * RCSID $Id: ca.c 4632 2008-11-11 18:37:19Z martin $ */ #include <stdlib.h> @@ -295,7 +295,7 @@ load_authcerts(const char *type, const char *path, u_char auth_flags) } } /* restore directory path */ - chdir(save_dir); + ignore_result(chdir(save_dir)); } /* diff --git a/src/pluto/constants.c b/src/pluto/constants.c index ca548afab..50a75c0aa 100644 --- a/src/pluto/constants.c +++ b/src/pluto/constants.c @@ -11,7 +11,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * RCSID $Id: constants.c 3839 2008-04-18 11:25:37Z andreas $ + * RCSID $Id: constants.c 4612 2008-11-11 06:37:37Z andreas $ */ /* @@ -517,6 +517,8 @@ const char *const sa_policy_bit_names[] = { "DONTREAUTH", "BEET", "MOBIKE", + "ECDSA", + "PROXY", NULL }; diff --git a/src/pluto/constants.h b/src/pluto/constants.h index e6357164f..409dd1d61 100644 --- a/src/pluto/constants.h +++ b/src/pluto/constants.h @@ -13,7 +13,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * RCSID $Id: constants.h 4051 2008-06-10 09:08:27Z tobias $ + * RCSID $Id: constants.h 4612 2008-11-11 06:37:37Z andreas $ */ #ifndef _CONSTANTS_H @@ -279,7 +279,7 @@ extern const char sparse_end[]; "4009438B 481C6CD7 889A002E D5EE382B C9190DA6 FC026E47" \ "9558E447 5677E9AA 9E3050E2 765694DF C81F56E8 80B96E71" \ "60C980DD 98EDD3DF FFFFFFFF FFFFFFFF" -#define LOCALSECRETSIZE (256 / BITS_PER_BYTE) +#define LOCALSECRETSIZE (512 / BITS_PER_BYTE) /* limits on nonce sizes. See RFC2409 "The internet key exchange (IKE)" 5 */ #define MINIMUM_NONCE_SIZE 8 /* bytes */ @@ -877,7 +877,8 @@ extern const char *prettypolicy(lset_t policy); #define POLICY_BEET LELEM(22) /* bound end2end tunnel, IKEv2 */ #define POLICY_MOBIKE LELEM(23) /* enable MOBIKE for IKEv2 */ #define POLICY_FORCE_ENCAP LELEM(24) /* force UDP encapsulation (IKEv2) */ -#define POLICY_ECDSASIG LELEM(25) /* ecdsa signature (IKEv2) */ +#define POLICY_ECDSASIG LELEM(25) /* ECDSA signature (IKEv2) */ +#define POLICY_PROXY LELEM(26) /* proxy transport mode (MIPv6) */ /* Any IPsec policy? If not, a connection description * is only for ISAKMP SA, not IPSEC SA. (A pun, I admit.) diff --git a/src/pluto/crl.c b/src/pluto/crl.c index 6e1093661..c891d19e6 100644 --- a/src/pluto/crl.c +++ b/src/pluto/crl.c @@ -11,7 +11,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * RCSID $Id: crl.c 3686 2008-03-28 11:48:14Z martin $ + * RCSID $Id: crl.c 4632 2008-11-11 18:37:19Z martin $ */ #include <stdlib.h> @@ -373,7 +373,7 @@ load_crls(void) } } /* restore directory path */ - chdir(save_dir); + ignore_result(chdir(save_dir)); } /* diff --git a/src/pluto/defs.c b/src/pluto/defs.c index 5b9defb60..f2c1eab48 100644 --- a/src/pluto/defs.c +++ b/src/pluto/defs.c @@ -11,7 +11,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * RCSID $Id: defs.c 3252 2007-10-06 21:24:50Z andreas $ + * RCSID $Id: defs.c 4632 2008-11-11 18:37:19Z martin $ */ #include <stdlib.h> @@ -249,6 +249,7 @@ write_chunk(const char *filename, const char *label, chunk_t ch { mode_t oldmask; FILE *fd; + size_t written; if (!force) { @@ -268,8 +269,14 @@ write_chunk(const char *filename, const char *label, chunk_t ch if (fd) { - fwrite(ch.ptr, sizeof(u_char), ch.len, fd); + written = fwrite(ch.ptr, sizeof(u_char), ch.len, fd); fclose(fd); + if (written != ch.len) + { + plog(" writing to %s file '%s' failed", label, filename); + umask(oldmask); + return FALSE; + } plog(" written %s file '%s' (%d bytes)", label, filename, (int)ch.len); umask(oldmask); return TRUE; diff --git a/src/pluto/fetch.c b/src/pluto/fetch.c index cd8b58df2..c8a98cd9b 100644 --- a/src/pluto/fetch.c +++ b/src/pluto/fetch.c @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * RCSID $Id: fetch.c 3686 2008-03-28 11:48:14Z martin $ + * RCSID $Id: fetch.c 4632 2008-11-11 18:37:19Z martin $ */ #include <stdlib.h> @@ -324,7 +324,7 @@ fetch_curl(char *url, chunk_t *blob) curl_easy_setopt(curl, CURLOPT_URL, url); curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_buffer); curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&response); - curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, &errorbuffer); + curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, errorbuffer); curl_easy_setopt(curl, CURLOPT_FAILONERROR, TRUE); curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, FETCH_CMD_TIMEOUT); @@ -705,9 +705,9 @@ fetch_ocsp_status(ocsp_location_t* location) curl_easy_setopt(curl, CURLOPT_URL, uri); curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_buffer); curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&response); - curl_easy_setopt(curl, CURLOPT_POSTFIELDS, request.ptr); + curl_easy_setopt(curl, CURLOPT_POSTFIELDS, (void*)request.ptr); curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, request.len); - curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, &errorbuffer); + curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, errorbuffer); curl_easy_setopt(curl, CURLOPT_FAILONERROR, TRUE); curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, FETCH_CMD_TIMEOUT); diff --git a/src/pluto/vendor.c b/src/pluto/vendor.c index 1db4027d1..e4fda0f1f 100644 --- a/src/pluto/vendor.c +++ b/src/pluto/vendor.c @@ -11,7 +11,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * RCSID $Id: vendor.c 4348 2008-09-18 00:42:22Z andreas $ + * RCSID $Id: vendor.c 4426 2008-10-14 01:53:37Z andreas $ */ #include <stdlib.h> @@ -206,7 +206,8 @@ static struct vid_struct _vid_tab[] = { /* * strongSwan */ - DEC_MD5_VID(STRONGSWAN, "strongSwan 4.2.8") + DEC_MD5_VID(STRONGSWAN, "strongSwan 4.2.9") + DEC_MD5_VID(STRONGSWAN_4_2_8, "strongSwan 4.2.8") DEC_MD5_VID(STRONGSWAN_4_2_7, "strongSwan 4.2.7") DEC_MD5_VID(STRONGSWAN_4_2_6, "strongSwan 4.2.6") DEC_MD5_VID(STRONGSWAN_4_2_5, "strongSwan 4.2.5") diff --git a/src/pluto/vendor.h b/src/pluto/vendor.h index cf6b68e51..819dbd99d 100644 --- a/src/pluto/vendor.h +++ b/src/pluto/vendor.h @@ -11,7 +11,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * RCSID $Id: vendor.h 4348 2008-09-18 00:42:22Z andreas $ + * RCSID $Id: vendor.h 4426 2008-10-14 01:53:37Z andreas $ */ #ifndef _VENDOR_H_ @@ -124,6 +124,7 @@ enum known_vendorid { VID_STRONGSWAN_4_2_5 =105, VID_STRONGSWAN_4_2_6 =106, VID_STRONGSWAN_4_2_7 =107, + VID_STRONGSWAN_4_2_8 =108, /* 101 - 200 : NAT-Traversal */ VID_NATT_STENBERG_01 =151, diff --git a/src/scepclient/scep.c b/src/scepclient/scep.c index 0c1265918..1b01044df 100644 --- a/src/scepclient/scep.c +++ b/src/scepclient/scep.c @@ -522,7 +522,7 @@ scep_http_request(const char *url, chunk_t pkcs7, scep_op_t op headers = curl_slist_append(headers, "Content-Type:"); headers = curl_slist_append(headers, "Expect:"); curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers); - curl_easy_setopt(curl, CURLOPT_POSTFIELDS, pkcs7.ptr); + curl_easy_setopt(curl, CURLOPT_POSTFIELDS, (char*)pkcs7.ptr); curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, pkcs7.len); } } diff --git a/src/starter/Makefile.am b/src/starter/Makefile.am index e6346a585..5ee614f1b 100644 --- a/src/starter/Makefile.am +++ b/src/starter/Makefile.am @@ -1,13 +1,13 @@ ipsec_PROGRAMS = starter starter_SOURCES = y.tab.c netkey.c y.tab.h parser.h args.h netkey.h \ starterwhack.c starterwhack.h starterstroke.c invokepluto.c confread.c \ -starterstroke.h interfaces.c invokepluto.h confread.h interfaces.h args.c \ +starterstroke.h interfaces.c invokepluto.h confread.h interfaces.h args.c \ keywords.c files.h keywords.h cmp.c starter.c cmp.h exec.c invokecharon.c \ -exec.h invokecharon.h lex.yy.c loglite.c +exec.h invokecharon.h lex.yy.c loglite.c klips.c klips.h INCLUDES = -I$(top_srcdir)/src/libfreeswan -I$(top_srcdir)/src/pluto -I$(top_srcdir)/src/whack -I$(top_srcdir)/src/stroke AM_CFLAGS = -DIPSEC_DIR=\"${ipsecdir}\" -DIPSEC_CONFDIR=\"${confdir}\" -DIPSEC_PIDDIR=\"${piddir}\" -DIPSEC_EAPDIR=\"${eapdir}\" -DDEBUG -starter_LDADD = defs.o $(top_srcdir)/src/libfreeswan/libfreeswan.a +starter_LDADD = defs.o $(top_builddir)/src/libfreeswan/libfreeswan.a EXTRA_DIST = parser.l parser.y keywords.txt ipsec.conf dist_man_MANS = ipsec.conf.5 starter.8 MAINTAINERCLEANFILES = lex.yy.c y.tab.c y.tab.h keywords.c @@ -15,17 +15,17 @@ MAINTAINERCLEANFILES = lex.yy.c y.tab.c y.tab.h keywords.c PLUTODIR=$(top_srcdir)/src/pluto SCEPCLIENTDIR=$(top_srcdir)/src/scepclient -lex.yy.c: y.tab.c parser.l parser.y parser.h - $(LEX) --nounput parser.l +lex.yy.c: parser.l parser.y parser.h y.tab.c + $(LEX) --nounput $< -y.tab.c: parser.l parser.y parser.h - $(YACC) -v -d parser.y +y.tab.c: parser.y parser.l parser.h + $(YACC) -v -d $< -y.tab.h: parser.l parser.y parser.h - $(YACC) -v -d parser.y +y.tab.h: parser.y parser.l parser.h + $(YACC) -v -d $< keywords.c: keywords.txt keywords.h - $(GPERF) -C -G -t < keywords.txt > keywords.c + $(GPERF) -C -G -t < $< > $@ defs.o: $(PLUTODIR)/defs.c $(PLUTODIR)/defs.h $(COMPILE) -c -o $@ $< diff --git a/src/starter/Makefile.in b/src/starter/Makefile.in index 4150a60e7..446edf8c5 100644 --- a/src/starter/Makefile.in +++ b/src/starter/Makefile.in @@ -51,10 +51,10 @@ am_starter_OBJECTS = y.tab.$(OBJEXT) netkey.$(OBJEXT) \ invokepluto.$(OBJEXT) confread.$(OBJEXT) interfaces.$(OBJEXT) \ args.$(OBJEXT) keywords.$(OBJEXT) cmp.$(OBJEXT) \ starter.$(OBJEXT) exec.$(OBJEXT) invokecharon.$(OBJEXT) \ - lex.yy.$(OBJEXT) loglite.$(OBJEXT) + lex.yy.$(OBJEXT) loglite.$(OBJEXT) klips.$(OBJEXT) starter_OBJECTS = $(am_starter_OBJECTS) starter_DEPENDENCIES = defs.o \ - $(top_srcdir)/src/libfreeswan/libfreeswan.a + $(top_builddir)/src/libfreeswan/libfreeswan.a DEFAULT_INCLUDES = -I.@am__isrc@ depcomp = $(SHELL) $(top_srcdir)/depcomp am__depfiles_maybe = depfiles @@ -214,13 +214,13 @@ xml_CFLAGS = @xml_CFLAGS@ xml_LIBS = @xml_LIBS@ starter_SOURCES = y.tab.c netkey.c y.tab.h parser.h args.h netkey.h \ starterwhack.c starterwhack.h starterstroke.c invokepluto.c confread.c \ -starterstroke.h interfaces.c invokepluto.h confread.h interfaces.h args.c \ +starterstroke.h interfaces.c invokepluto.h confread.h interfaces.h args.c \ keywords.c files.h keywords.h cmp.c starter.c cmp.h exec.c invokecharon.c \ -exec.h invokecharon.h lex.yy.c loglite.c +exec.h invokecharon.h lex.yy.c loglite.c klips.c klips.h INCLUDES = -I$(top_srcdir)/src/libfreeswan -I$(top_srcdir)/src/pluto -I$(top_srcdir)/src/whack -I$(top_srcdir)/src/stroke AM_CFLAGS = -DIPSEC_DIR=\"${ipsecdir}\" -DIPSEC_CONFDIR=\"${confdir}\" -DIPSEC_PIDDIR=\"${piddir}\" -DIPSEC_EAPDIR=\"${eapdir}\" -DDEBUG -starter_LDADD = defs.o $(top_srcdir)/src/libfreeswan/libfreeswan.a +starter_LDADD = defs.o $(top_builddir)/src/libfreeswan/libfreeswan.a EXTRA_DIST = parser.l parser.y keywords.txt ipsec.conf dist_man_MANS = ipsec.conf.5 starter.8 MAINTAINERCLEANFILES = lex.yy.c y.tab.c y.tab.h keywords.c @@ -305,6 +305,7 @@ distclean-compile: @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/invokecharon.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/invokepluto.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/keywords.Po@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/klips.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/lex.yy.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/loglite.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/netkey.Po@am__quote@ @@ -615,17 +616,17 @@ uninstall-man: uninstall-man5 uninstall-man8 uninstall-man8 -lex.yy.c: y.tab.c parser.l parser.y parser.h - $(LEX) --nounput parser.l +lex.yy.c: parser.l parser.y parser.h y.tab.c + $(LEX) --nounput $< -y.tab.c: parser.l parser.y parser.h - $(YACC) -v -d parser.y +y.tab.c: parser.y parser.l parser.h + $(YACC) -v -d $< -y.tab.h: parser.l parser.y parser.h - $(YACC) -v -d parser.y +y.tab.h: parser.y parser.l parser.h + $(YACC) -v -d $< keywords.c: keywords.txt keywords.h - $(GPERF) -C -G -t < keywords.txt > keywords.c + $(GPERF) -C -G -t < $< > $@ defs.o: $(PLUTODIR)/defs.c $(PLUTODIR)/defs.h $(COMPILE) -c -o $@ $< diff --git a/src/starter/args.c b/src/starter/args.c index 7af3b6310..c09bea986 100644 --- a/src/starter/args.c +++ b/src/starter/args.c @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * RCSID $Id: args.c 4276 2008-08-22 10:44:51Z martin $ + * RCSID $Id: args.c 4612 2008-11-11 06:37:37Z andreas $ */ #include <stddef.h> @@ -199,6 +199,7 @@ static const token_info_t token_info[] = { ARG_MISC, 0, NULL /* KW_TYPE */ }, { ARG_MISC, 0, NULL /* KW_PFS */ }, { ARG_MISC, 0, NULL /* KW_COMPRESS */ }, + { ARG_ENUM, offsetof(starter_conn_t, install_policy), LST_bool }, { ARG_MISC, 0, NULL /* KW_AUTH */ }, { ARG_MISC, 0, NULL /* KW_AUTHBY */ }, { ARG_MISC, 0, NULL /* KW_EAP */ }, diff --git a/src/starter/confread.c b/src/starter/confread.c index 959a98b77..1560266c1 100644 --- a/src/starter/confread.c +++ b/src/starter/confread.c @@ -11,7 +11,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * RCSID $Id: confread.c 4269 2008-08-21 12:10:07Z martin $ + * RCSID $Id: confread.c 4612 2008-11-11 06:37:37Z andreas $ */ #include <stddef.h> @@ -79,6 +79,7 @@ static void default_values(starter_config_t *cfg) cfg->conn_default.sa_keying_tries = SA_REPLACEMENT_RETRIES_DEFAULT; cfg->conn_default.addr_family = AF_INET; cfg->conn_default.tunnel_addr_family = AF_INET; + cfg->conn_default.install_policy = TRUE; cfg->conn_default.dpd_delay = 30; /* seconds */ cfg->conn_default.dpd_timeout = 150; /* seconds */ @@ -497,15 +498,29 @@ load_conn(starter_conn_t *conn, kw_list_t *kw, starter_config_t *cfg) case KW_TYPE: conn->policy &= ~(POLICY_TUNNEL | POLICY_SHUNT_MASK); if (streq(kw->value, "tunnel")) + { conn->policy |= POLICY_TUNNEL; + } else if (streq(kw->value, "beet")) + { conn->policy |= POLICY_BEET; + } + else if (streq(kw->value, "transport_proxy")) + { + conn->policy |= POLICY_PROXY; + } else if (streq(kw->value, "passthrough") || streq(kw->value, "pass")) + { conn->policy |= POLICY_SHUNT_PASS; + } else if (streq(kw->value, "drop")) + { conn->policy |= POLICY_SHUNT_DROP; + } else if (streq(kw->value, "reject")) + { conn->policy |= POLICY_SHUNT_REJECT; + } else if (strcmp(kw->value, "transport") != 0) { plog("# bad policy value: %s=%s", kw->entry->name, kw->value); @@ -530,21 +545,33 @@ load_conn(starter_conn_t *conn, kw_list_t *kw, starter_config_t *cfg) char *second = strchr(kw->value, '|'); if (second != NULL) + { *second = '\0'; + } /* also handles the cases secret|rsasig and rsasig|secret */ for (;;) { if (streq(value, "rsa") || streq(value, "rsasig")) + { conn->policy |= POLICY_RSASIG | POLICY_ENCRYPT; + } else if (streq(value, "secret") || streq(value, "psk")) + { conn->policy |= POLICY_PSK | POLICY_ENCRYPT; + } else if (streq(value, "ecdsa") || streq(value, "ecdsasig")) + { conn->policy |= POLICY_ECDSASIG | POLICY_ENCRYPT; + } else if (streq(value, "xauthrsasig")) + { conn->policy |= POLICY_XAUTH_RSASIG | POLICY_ENCRYPT; + } else if (streq(value, "xauthpsk")) + { conn->policy |= POLICY_XAUTH_PSK | POLICY_ENCRYPT; + } else { plog("# bad policy value: %s=%s", kw->entry->name, kw->value); @@ -552,7 +579,9 @@ load_conn(starter_conn_t *conn, kw_list_t *kw, starter_config_t *cfg) break; } if (second == NULL) + { break; + } value = second; second = NULL; /* traverse the loop no more than twice */ } diff --git a/src/starter/confread.h b/src/starter/confread.h index 2c6e45984..24a8d073e 100644 --- a/src/starter/confread.h +++ b/src/starter/confread.h @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * RCSID $Id: confread.h 4276 2008-08-22 10:44:51Z martin $ + * RCSID $Id: confread.h 4612 2008-11-11 06:37:37Z andreas $ */ #ifndef _IPSEC_CONFREAD_H_ @@ -114,7 +114,7 @@ struct starter_conn { unsigned long sa_rekey_fuzz; sa_family_t addr_family; sa_family_t tunnel_addr_family; - + bool install_policy; starter_end_t left, right; unsigned long id; diff --git a/src/starter/files.h b/src/starter/files.h index b21db8bd1..a40574594 100644 --- a/src/starter/files.h +++ b/src/starter/files.h @@ -11,7 +11,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * RCSID $Id: files.h 3267 2007-10-08 19:57:54Z andreas $ + * RCSID $Id: files.h 4618 2008-11-11 09:22:00Z tobias $ */ #ifndef _STARTER_FILES_H_ @@ -19,7 +19,8 @@ #define STARTER_PID_FILE IPSEC_PIDDIR "/starter.pid" -#define PROC_NETKEY "/proc/net/pfkey" +#define PROC_NETKEY "/proc/net/pfkey" +#define PROC_KLIPS "/proc/net/pf_key" #define PROC_MODULES "/proc/modules" #define CONFIG_FILE IPSEC_CONFDIR "/ipsec.conf" diff --git a/src/starter/invokepluto.c b/src/starter/invokepluto.c index a3cf3a786..e18d6e38d 100644 --- a/src/starter/invokepluto.c +++ b/src/starter/invokepluto.c @@ -11,7 +11,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * RCSID $Id: invokepluto.c 3942 2008-05-13 07:37:08Z martin $ + * RCSID $Id: invokepluto.c 4632 2008-11-11 18:37:19Z martin $ */ #include <sys/types.h> @@ -215,7 +215,7 @@ starter_start_pluto (starter_config_t *cfg, bool no_fork) _stop_requested = 0; if (cfg->setup.prepluto) - system(cfg->setup.prepluto); + ignore_result(system(cfg->setup.prepluto)); pid = fork(); switch (pid) @@ -258,7 +258,7 @@ starter_start_pluto (starter_config_t *cfg, bool no_fork) DBG_log("pluto (%d) started", _pluto_pid) ) if (cfg->setup.postpluto) - system(cfg->setup.postpluto); + ignore_result(system(cfg->setup.postpluto)); return 0; } } diff --git a/src/starter/ipsec.conf.5 b/src/starter/ipsec.conf.5 index 40ff27d0b..10ce8348e 100644 --- a/src/starter/ipsec.conf.5 +++ b/src/starter/ipsec.conf.5 @@ -1,5 +1,5 @@ .TH IPSEC.CONF 5 "27 Jun 2007" -.\" RCSID $Id: ipsec.conf.5 4360 2008-09-30 12:36:58Z martin $ +.\" RCSID $Id: ipsec.conf.5 4645 2008-11-13 06:29:53Z andreas $ .SH NAME ipsec.conf \- IPsec configuration and connections .SH DESCRIPTION @@ -397,6 +397,15 @@ may be included, such as how long the keying channel of a connection ('ISAKMP/IKE SA') should last before being renegotiated. .TP +.B installpolicy +decides whether IPsec policies are installed in the kernel by the IKEv2 +charon daemon for a given connection. Allows peaceful co-existence e.g. with +the Mobile IPv6 daemon mip6d who wants to control the kernel policies. +Acceptable values are +.B yes +(the default) and +.BR no . +.TP .B keyexchange method of key exchange; which protocol should be used to initialize the connection. Connections marked with @@ -782,17 +791,20 @@ are signifying a host-to-host, host-to-subnet, or subnet-to-subnet tunnel; .BR transport , signifying host-to-host transport mode; +.BR transport_proxy , +signifying the special Mobile IPv6 transport proxy mode; .BR passthrough , signifying that no IPsec processing should be done at all; .BR drop , signifying that packets should be discarded; and .BR reject , signifying that packets should be discarded and a diagnostic ICMP returned. -Charon currently supports only -.BR tunnel +Charon currently supports +.BR tunnel , +.BR transport , and -.BR transport -connection types. +.BR tunnel_proxy +connection types, only . .TP .B xauth specifies the role in the XAUTH protocol if activated by diff --git a/src/starter/keywords.c b/src/starter/keywords.c index 35c17b9b5..e51780dc1 100644 --- a/src/starter/keywords.c +++ b/src/starter/keywords.c @@ -44,7 +44,7 @@ error "gperf generated tables don't work with this execution character set. Plea * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * RCSID $Id: keywords.txt 4276 2008-08-22 10:44:51Z martin $ + * RCSID $Id: keywords.txt 4612 2008-11-11 06:37:37Z andreas $ */ #include <string.h> @@ -56,7 +56,7 @@ struct kw_entry { kw_token_t token; }; -#define TOTAL_KEYWORDS 101 +#define TOTAL_KEYWORDS 102 #define MIN_WORD_LENGTH 3 #define MAX_WORD_LENGTH 17 #define MIN_HASH_VALUE 6 @@ -239,7 +239,8 @@ static const struct kw_entry wordlist[] = {"pkcs11proxy", KW_PKCS11PROXY}, {""}, {""}, {""}, {""}, {"charondebug", KW_CHARONDEBUG}, - {""}, {""}, + {""}, + {"installpolicy", KW_INSTALLPOLICY}, {"cachecrls", KW_CACHECRLS}, {""}, {""}, {""}, {"packetdefault", KW_PACKETDEFAULT}, diff --git a/src/starter/keywords.h b/src/starter/keywords.h index 1efa5dc2b..756c33075 100644 --- a/src/starter/keywords.h +++ b/src/starter/keywords.h @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * RCSID $Id: keywords.h 4276 2008-08-22 10:44:51Z martin $ + * RCSID $Id: keywords.h 4612 2008-11-11 06:37:37Z andreas $ */ #ifndef _KEYWORDS_H_ @@ -68,6 +68,7 @@ typedef enum { KW_TYPE, KW_PFS, KW_COMPRESS, + KW_INSTALLPOLICY, KW_AUTH, KW_AUTHBY, KW_EAP, diff --git a/src/starter/keywords.txt b/src/starter/keywords.txt index 29bd404b5..8dfa03325 100644 --- a/src/starter/keywords.txt +++ b/src/starter/keywords.txt @@ -13,7 +13,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * RCSID $Id: keywords.txt 4276 2008-08-22 10:44:51Z martin $ + * RCSID $Id: keywords.txt 4612 2008-11-11 06:37:37Z andreas $ */ #include <string.h> @@ -61,6 +61,7 @@ keyexchange, KW_KEYEXCHANGE type, KW_TYPE pfs, KW_PFS compress, KW_COMPRESS +installpolicy, KW_INSTALLPOLICY auth, KW_AUTH authby, KW_AUTHBY keylife, KW_KEYLIFE diff --git a/src/starter/klips.c b/src/starter/klips.c new file mode 100644 index 000000000..5c8164419 --- /dev/null +++ b/src/starter/klips.c @@ -0,0 +1,82 @@ +/* strongSwan KLIPS starter + * Copyright (C) 2001-2002 Mathieu Lafon - Arkoon Network Security + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * RCSID $Id: klips.c 4632 2008-11-11 18:37:19Z martin $ + */ + +#include <sys/types.h> +#include <sys/stat.h> +#include <stdlib.h> + +#include <freeswan.h> + +#include "../pluto/constants.h" +#include "../pluto/defs.h" +#include "../pluto/log.h" + +#include "files.h" + +bool +starter_klips_init(void) +{ + struct stat stb; + + if (stat(PROC_KLIPS, &stb) != 0) + { + /* ipsec module makes the pf_key proc interface visible */ + if (stat(PROC_MODULES, &stb) == 0) + { + ignore_result(system("modprobe -qv ipsec")); + } + + /* now test again */ + if (stat(PROC_KLIPS, &stb) != 0) + { + DBG(DBG_CONTROL, + DBG_log("kernel appears to lack the KLIPS IPsec stack") + ) + return FALSE; + } + } + + /* load crypto algorithm modules */ + ignore_result(system("modprobe -qv ipsec_aes")); + ignore_result(system("modprobe -qv ipsec_blowfish")); + ignore_result(system("modprobe -qv ipsec_sha2")); + + DBG(DBG_CONTROL, + DBG_log("Found KLIPS IPsec stack") + ) + + return TRUE; +} + +void +starter_klips_cleanup(void) +{ + if (system("type eroute > /dev/null 2>&1") == 0) + { + ignore_result(system("spi --clear")); + ignore_result(system("eroute --clear")); + } + else if (system("type setkey > /dev/null 2>&1") == 0) + { + ignore_result(system("setkey -F")); + ignore_result(system("setkey -FP")); + } + else + { + plog("WARNING: cannot flush IPsec state/policy database"); + } +} + diff --git a/src/starter/klips.h b/src/starter/klips.h new file mode 100644 index 000000000..60055b4f1 --- /dev/null +++ b/src/starter/klips.h @@ -0,0 +1,24 @@ +/* strongSwan KLIPS initialization and cleanup + * Copyright (C) 2001-2002 Mathieu Lafon - Arkoon Network Security + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * RCSID $Id: klips.h 4618 2008-11-11 09:22:00Z tobias $ + */ + +#ifndef _STARTER_KLIPS_H_ +#define _STARTER_KLIPS_H_ + +extern bool starter_klips_init (void); +extern void starter_klips_cleanup (void); + +#endif /* _STARTER_KLIPS_H_ */ + diff --git a/src/starter/lex.yy.c b/src/starter/lex.yy.c index cd3535318..4b3405eda 100644 --- a/src/starter/lex.yy.c +++ b/src/starter/lex.yy.c @@ -500,7 +500,7 @@ char *yytext; * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * RCSID $Id: parser.l 3267 2007-10-08 19:57:54Z andreas $ + * RCSID $Id: parser.l 4632 2008-11-11 18:37:19Z martin $ */ #include <string.h> @@ -511,6 +511,7 @@ char *yytext; #define MAX_INCLUDE_DEPTH 20 +#define YY_NO_INPUT #define YY_NO_UNPUT extern void yyerror(const char *); extern int yylex (void); @@ -617,7 +618,7 @@ int _parser_y_include (const char *filename) return 0; } -#line 621 "lex.yy.c" +#line 622 "lex.yy.c" #define INITIAL 0 @@ -771,10 +772,10 @@ YY_DECL register char *yy_cp, *yy_bp; register int yy_act; -#line 134 "parser.l" +#line 135 "parser.l" -#line 778 "lex.yy.c" +#line 779 "lex.yy.c" if ( !(yy_init) ) { @@ -859,7 +860,7 @@ do_action: /* This label is used only to access EOF actions. */ goto yy_find_action; case YY_STATE_EOF(INITIAL): -#line 136 "parser.l" +#line 137 "parser.l" { if (__parser_y_private.filename[__parser_y_private.stack_ptr]) { free(__parser_y_private.filename[__parser_y_private.stack_ptr]); @@ -879,23 +880,23 @@ case YY_STATE_EOF(INITIAL): YY_BREAK case 1: YY_RULE_SETUP -#line 153 "parser.l" +#line 154 "parser.l" return FIRST_SPACES; YY_BREAK case 2: YY_RULE_SETUP -#line 155 "parser.l" +#line 156 "parser.l" /* ignore spaces in line */ ; YY_BREAK case 3: YY_RULE_SETUP -#line 157 "parser.l" +#line 158 "parser.l" return EQUAL; YY_BREAK case 4: /* rule 4 can match eol */ YY_RULE_SETUP -#line 159 "parser.l" +#line 160 "parser.l" { __parser_y_private.line[__parser_y_private.stack_ptr]++; return EOL; @@ -903,37 +904,37 @@ YY_RULE_SETUP YY_BREAK case 5: YY_RULE_SETUP -#line 164 "parser.l" +#line 165 "parser.l" return CONFIG; YY_BREAK case 6: YY_RULE_SETUP -#line 165 "parser.l" +#line 166 "parser.l" return SETUP; YY_BREAK case 7: YY_RULE_SETUP -#line 166 "parser.l" +#line 167 "parser.l" return CONN; YY_BREAK case 8: YY_RULE_SETUP -#line 167 "parser.l" +#line 168 "parser.l" return CA; YY_BREAK case 9: YY_RULE_SETUP -#line 168 "parser.l" +#line 169 "parser.l" return INCLUDE; YY_BREAK case 10: YY_RULE_SETUP -#line 169 "parser.l" +#line 170 "parser.l" return FILE_VERSION; YY_BREAK case 11: YY_RULE_SETUP -#line 171 "parser.l" +#line 172 "parser.l" { yylval.s = strdup(yytext); return STRING; @@ -941,7 +942,7 @@ YY_RULE_SETUP YY_BREAK case 12: YY_RULE_SETUP -#line 176 "parser.l" +#line 177 "parser.l" { yylval.s = strdup(yytext+1); if (yylval.s) yylval.s[strlen(yylval.s)-1]='\0'; @@ -950,15 +951,15 @@ YY_RULE_SETUP YY_BREAK case 13: YY_RULE_SETUP -#line 182 "parser.l" +#line 183 "parser.l" yyerror(yytext); YY_BREAK case 14: YY_RULE_SETUP -#line 184 "parser.l" +#line 185 "parser.l" ECHO; YY_BREAK -#line 962 "lex.yy.c" +#line 963 "lex.yy.c" case YY_END_OF_BUFFER: { @@ -1920,7 +1921,7 @@ void yyfree (void * ptr ) #define YYTABLES_NAME "yytables" -#line 184 "parser.l" +#line 185 "parser.l" diff --git a/src/starter/netkey.c b/src/starter/netkey.c index d3c181456..1490abf29 100644 --- a/src/starter/netkey.c +++ b/src/starter/netkey.c @@ -11,7 +11,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * RCSID $Id: netkey.c 3267 2007-10-08 19:57:54Z andreas $ + * RCSID $Id: netkey.c 4632 2008-11-11 18:37:19Z martin $ */ #include <sys/types.h> @@ -36,7 +36,7 @@ starter_netkey_init(void) /* af_key module makes the netkey proc interface visible */ if (stat(PROC_MODULES, &stb) == 0) { - system("modprobe -qv af_key"); + ignore_result(system("modprobe -qv af_key")); } /* now test again */ @@ -52,11 +52,11 @@ starter_netkey_init(void) /* make sure that all required IPsec modules are loaded */ if (stat(PROC_MODULES, &stb) == 0) { - system("modprobe -qv ah4"); - system("modprobe -qv esp4"); - system("modprobe -qv ipcomp"); - system("modprobe -qv xfrm4_tunnel"); - system("modprobe -qv xfrm_user"); + ignore_result(system("modprobe -qv ah4")); + ignore_result(system("modprobe -qv esp4")); + ignore_result(system("modprobe -qv ipcomp")); + ignore_result(system("modprobe -qv xfrm4_tunnel")); + ignore_result(system("modprobe -qv xfrm_user")); } DBG(DBG_CONTROL, @@ -70,13 +70,13 @@ starter_netkey_cleanup(void) { if (system("ip xfrm state > /dev/null 2>&1") == 0) { - system("ip xfrm state flush"); - system("ip xfrm policy flush"); + ignore_result(system("ip xfrm state flush")); + ignore_result(system("ip xfrm policy flush")); } else if (system("type setkey > /dev/null 2>&1") == 0) { - system("setkey -F"); - system("setkey -FP"); + ignore_result(system("setkey -F")); + ignore_result(system("setkey -FP")); } else { diff --git a/src/starter/parser.l b/src/starter/parser.l index 68d3b5556..e51d655df 100644 --- a/src/starter/parser.l +++ b/src/starter/parser.l @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * RCSID $Id: parser.l 3267 2007-10-08 19:57:54Z andreas $ + * RCSID $Id: parser.l 4632 2008-11-11 18:37:19Z martin $ */ #include <string.h> @@ -23,6 +23,7 @@ #define MAX_INCLUDE_DEPTH 20 +#define YY_NO_INPUT #define YY_NO_UNPUT extern void yyerror(const char *); extern int yylex (void); diff --git a/src/starter/starter.c b/src/starter/starter.c index 61f21d88c..e4ad5286c 100644 --- a/src/starter/starter.c +++ b/src/starter/starter.c @@ -11,7 +11,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * RCSID $Id: starter.c 4140 2008-07-02 05:51:49Z andreas $ + * RCSID $Id: starter.c 4632 2008-11-11 18:37:19Z martin $ */ #include <sys/types.h> @@ -42,6 +42,7 @@ #include "invokepluto.h" #include "invokecharon.h" #include "netkey.h" +#include "klips.h" #include "cmp.h" #include "interfaces.h" @@ -179,7 +180,7 @@ static void generate_selfcert() #endif setegid(gid); seteuid(uid); - system("ipsec scepclient --out pkcs1 --out cert-self --quiet"); + ignore_result(system("ipsec scepclient --out pkcs1 --out cert-self --quiet")); seteuid(0); setegid(0); @@ -194,7 +195,7 @@ static void generate_selfcert() fprintf(f, ": RSA myKey.der\n"); fclose(f); } - chown(SECRETS_FILE, uid, gid); + ignore_result(chown(SECRETS_FILE, uid, gid)); umask(oldmask); } } @@ -324,7 +325,11 @@ int main (int argc, char **argv) if (!starter_netkey_init()) { plog("no netkey IPSec stack detected"); - exit(LSB_RC_FAILURE); + if (!starter_klips_init()) + { + plog("no KLIPS IPSec stack detected"); + exit(LSB_RC_FAILURE); + } } last_reload = time(NULL); diff --git a/src/starter/starterstroke.c b/src/starter/starterstroke.c index 4ee73128b..481b7de34 100644 --- a/src/starter/starterstroke.c +++ b/src/starter/starterstroke.c @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * RCSID $Id: starterstroke.c 4276 2008-08-22 10:44:51Z martin $ + * RCSID $Id: starterstroke.c 4614 2008-11-11 07:28:52Z andreas $ */ #include <sys/types.h> @@ -24,6 +24,7 @@ #include <errno.h> #include <netinet/in.h> #include <arpa/inet.h> +#include <linux/xfrm.h> #include <freeswan.h> @@ -37,6 +38,9 @@ #include "confread.h" #include "files.h" +#define IPV4_LEN 4 +#define IPV6_LEN 16 + /** * Authentication methods, must be the same as in charons authenticator.h */ @@ -126,7 +130,11 @@ static void ip_address2string(ip_address *addr, char *buffer, size_t len) case AF_INET: { struct sockaddr_in* sin = (struct sockaddr_in*)addr; - if (inet_ntop(AF_INET, &sin->sin_addr, buffer, len)) + u_int8_t zeroes[IPV4_LEN]; + + memset(zeroes, 0, IPV4_LEN); + if (memcmp(zeroes, &(sin->sin_addr.s_addr), IPV4_LEN) && + inet_ntop(AF_INET, &sin->sin_addr, buffer, len)) { return; } @@ -135,7 +143,11 @@ static void ip_address2string(ip_address *addr, char *buffer, size_t len) case AF_INET6: { struct sockaddr_in6* sin6 = (struct sockaddr_in6*)addr; - if (inet_ntop(AF_INET6, &sin6->sin6_addr, buffer, len)) + u_int8_t zeroes[IPV6_LEN]; + + memset(zeroes, 0, IPV6_LEN); + if (memcmp(zeroes, &(sin6->sin6_addr.s6_addr), IPV6_LEN) && + inet_ntop(AF_INET6, &sin6->sin6_addr, buffer, len)) { return; } @@ -144,8 +156,8 @@ static void ip_address2string(ip_address *addr, char *buffer, size_t len) default: break; } - /* failed */ - snprintf(buffer, len, "0.0.0.0"); + /* default */ + snprintf(buffer, len, "%%any"); } @@ -231,17 +243,22 @@ int starter_stroke_add_conn(starter_config_t *cfg, starter_conn_t *conn) if (conn->policy & POLICY_TUNNEL) { - msg.add_conn.mode = 1; /* XFRM_MODE_TRANSPORT */ + msg.add_conn.mode = XFRM_MODE_TUNNEL; } else if (conn->policy & POLICY_BEET) { - msg.add_conn.mode = 4; /* XFRM_MODE_BEET */ + msg.add_conn.mode = XFRM_MODE_BEET; } + else if (conn->policy & POLICY_PROXY) + { + msg.add_conn.mode = XFRM_MODE_TRANSPORT; + msg.add_conn.proxy_mode = TRUE; + } else { - msg.add_conn.mode = 0; /* XFRM_MODE_TUNNEL */ + msg.add_conn.mode = XFRM_MODE_TRANSPORT; } - + if (!(conn->policy & POLICY_DONT_REKEY)) { msg.add_conn.rekey.reauth = (conn->policy & POLICY_DONT_REAUTH) == LEMPTY; @@ -254,6 +271,7 @@ int starter_stroke_add_conn(starter_config_t *cfg, starter_conn_t *conn) msg.add_conn.mobike = conn->policy & POLICY_MOBIKE; msg.add_conn.force_encap = conn->policy & POLICY_FORCE_ENCAP; msg.add_conn.ipcomp = conn->policy & POLICY_COMPRESS; + msg.add_conn.install_policy = conn->install_policy; msg.add_conn.crl_policy = cfg->setup.strictcrlpolicy; msg.add_conn.unique = cfg->setup.uniqueids; msg.add_conn.algorithms.ike = push_string(&msg, conn->ike); diff --git a/src/stroke/Makefile.am b/src/stroke/Makefile.am index aaedfc787..df20252e2 100644 --- a/src/stroke/Makefile.am +++ b/src/stroke/Makefile.am @@ -7,4 +7,4 @@ MAINTAINERCLEANFILES = stroke_keywords.c AM_CFLAGS = -DIPSEC_PIDDIR=\"${piddir}\" stroke_keywords.c: stroke_keywords.txt stroke_keywords.h - $(GPERF) -C -G -t < stroke_keywords.txt > stroke_keywords.c + $(GPERF) -C -G -t < $< > $@ diff --git a/src/stroke/Makefile.in b/src/stroke/Makefile.in index 06d9e07ef..62d1bb83e 100644 --- a/src/stroke/Makefile.in +++ b/src/stroke/Makefile.in @@ -488,7 +488,7 @@ uninstall-am: uninstall-ipsecPROGRAMS stroke_keywords.c: stroke_keywords.txt stroke_keywords.h - $(GPERF) -C -G -t < stroke_keywords.txt > stroke_keywords.c + $(GPERF) -C -G -t < $< > $@ # Tell versions [3.59,3.63) of GNU make to not export all variables. # Otherwise a system limit (for SysV at least) may be exceeded. .NOEXPORT: diff --git a/src/stroke/stroke_msg.h b/src/stroke/stroke_msg.h index 4d2fb1071..38f44f923 100644 --- a/src/stroke/stroke_msg.h +++ b/src/stroke/stroke_msg.h @@ -19,7 +19,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * RCSID $Id: stroke_msg.h 4384 2008-10-08 07:00:13Z andreas $ + * RCSID $Id: stroke_msg.h 4614 2008-11-11 07:28:52Z andreas $ */ #ifndef STROKE_MSG_H_ @@ -212,6 +212,9 @@ struct stroke_msg_t { int mobike; int force_encap; int ipcomp; + int proxy_mode; + int install_policy; + crl_policy_t crl_policy; int unique; struct { diff --git a/src/whack/whack.c b/src/whack/whack.c index 5958991f2..a4236a8b4 100644 --- a/src/whack/whack.c +++ b/src/whack/whack.c @@ -12,7 +12,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * RCSID $Id: whack.c 3264 2007-10-08 19:49:56Z andreas $ + * RCSID $Id: whack.c 4632 2008-11-11 18:37:19Z martin $ */ #include <stdio.h> @@ -1868,7 +1868,7 @@ main(int argc, char **argv) } le++; /* include NL in line */ - write(1, ls, le - ls); + ignore_result(write(1, ls, le - ls)); /* figure out prefix number * and how it should affect our exit status |