diff options
Diffstat (limited to 'src/libcharon/plugins/farp')
| -rw-r--r-- | src/libcharon/plugins/farp/Makefile.am | 16 | ||||
| -rw-r--r-- | src/libcharon/plugins/farp/Makefile.in | 587 | ||||
| -rw-r--r-- | src/libcharon/plugins/farp/farp_listener.c | 154 | ||||
| -rw-r--r-- | src/libcharon/plugins/farp/farp_listener.h | 58 | ||||
| -rw-r--r-- | src/libcharon/plugins/farp/farp_plugin.c | 77 | ||||
| -rw-r--r-- | src/libcharon/plugins/farp/farp_plugin.h | 42 | ||||
| -rw-r--r-- | src/libcharon/plugins/farp/farp_spoofer.c | 198 | ||||
| -rw-r--r-- | src/libcharon/plugins/farp/farp_spoofer.h | 47 |
8 files changed, 1179 insertions, 0 deletions
diff --git a/src/libcharon/plugins/farp/Makefile.am b/src/libcharon/plugins/farp/Makefile.am new file mode 100644 index 000000000..42cd31879 --- /dev/null +++ b/src/libcharon/plugins/farp/Makefile.am @@ -0,0 +1,16 @@ + +INCLUDES = -I$(top_srcdir)/src/libstrongswan -I$(top_srcdir)/src/libhydra \ + -I$(top_srcdir)/src/libcharon + +AM_CFLAGS = -rdynamic + +if MONOLITHIC +noinst_LTLIBRARIES = libstrongswan-farp.la +else +plugin_LTLIBRARIES = libstrongswan-farp.la +endif + +libstrongswan_farp_la_SOURCES = farp_plugin.h farp_plugin.c \ + farp_listener.h farp_listener.c farp_spoofer.h farp_spoofer.c + +libstrongswan_farp_la_LDFLAGS = -module -avoid-version diff --git a/src/libcharon/plugins/farp/Makefile.in b/src/libcharon/plugins/farp/Makefile.in new file mode 100644 index 000000000..20ac77080 --- /dev/null +++ b/src/libcharon/plugins/farp/Makefile.in @@ -0,0 +1,587 @@ +# Makefile.in generated by automake 1.11 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkglibexecdir = $(libexecdir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +subdir = src/libcharon/plugins/farp +DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = $(top_srcdir)/m4/config/libtool.m4 \ + $(top_srcdir)/m4/config/ltoptions.m4 \ + $(top_srcdir)/m4/config/ltsugar.m4 \ + $(top_srcdir)/m4/config/ltversion.m4 \ + $(top_srcdir)/m4/config/lt~obsolete.m4 \ + $(top_srcdir)/m4/macros/with.m4 \ + $(top_srcdir)/m4/macros/enable-disable.m4 \ + $(top_srcdir)/configure.in +am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ + $(ACLOCAL_M4) +mkinstalldirs = $(install_sh) -d +CONFIG_CLEAN_FILES = +CONFIG_CLEAN_VPATH_FILES = +am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; +am__vpath_adj = case $$p in \ + $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \ + *) f=$$p;; \ + esac; +am__strip_dir = f=`echo $$p | sed -e 's|^.*/||'`; +am__install_max = 40 +am__nobase_strip_setup = \ + srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*|]/\\\\&/g'` +am__nobase_strip = \ + for p in $$list; do echo "$$p"; done | sed -e "s|$$srcdirstrip/||" +am__nobase_list = $(am__nobase_strip_setup); \ + for p in $$list; do echo "$$p $$p"; done | \ + sed "s| $$srcdirstrip/| |;"' / .*\//!s/ .*/ ./; s,\( .*\)/[^/]*$$,\1,' | \ + $(AWK) 'BEGIN { files["."] = "" } { files[$$2] = files[$$2] " " $$1; \ + if (++n[$$2] == $(am__install_max)) \ + { print $$2, files[$$2]; n[$$2] = 0; files[$$2] = "" } } \ + END { for (dir in files) print dir, files[dir] }' +am__base_list = \ + sed '$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;s/\n/ /g' | \ + sed '$$!N;$$!N;$$!N;$$!N;s/\n/ /g' +am__installdirs = "$(DESTDIR)$(plugindir)" +LTLIBRARIES = $(noinst_LTLIBRARIES) $(plugin_LTLIBRARIES) +libstrongswan_farp_la_LIBADD = +am_libstrongswan_farp_la_OBJECTS = farp_plugin.lo farp_listener.lo \ + farp_spoofer.lo +libstrongswan_farp_la_OBJECTS = $(am_libstrongswan_farp_la_OBJECTS) +libstrongswan_farp_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \ + $(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \ + $(libstrongswan_farp_la_LDFLAGS) $(LDFLAGS) -o $@ +@MONOLITHIC_FALSE@am_libstrongswan_farp_la_rpath = -rpath $(plugindir) +@MONOLITHIC_TRUE@am_libstrongswan_farp_la_rpath = +DEFAULT_INCLUDES = -I.@am__isrc@ +depcomp = $(SHELL) $(top_srcdir)/depcomp +am__depfiles_maybe = depfiles +am__mv = mv -f +COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \ + $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) +LTCOMPILE = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ + --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ + $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) +CCLD = $(CC) +LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ + --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \ + $(LDFLAGS) -o $@ +SOURCES = $(libstrongswan_farp_la_SOURCES) +DIST_SOURCES = $(libstrongswan_farp_la_SOURCES) +ETAGS = etags +CTAGS = ctags +DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST) +ACLOCAL = @ACLOCAL@ +ALLOCA = @ALLOCA@ +AMTAR = @AMTAR@ +AR = @AR@ +AUTOCONF = @AUTOCONF@ +AUTOHEADER = @AUTOHEADER@ +AUTOMAKE = @AUTOMAKE@ +AWK = @AWK@ +BTLIB = @BTLIB@ +CC = @CC@ +CCDEPMODE = @CCDEPMODE@ +CFLAGS = @CFLAGS@ +CPP = @CPP@ +CPPFLAGS = @CPPFLAGS@ +CYGPATH_W = @CYGPATH_W@ +DEFS = @DEFS@ +DEPDIR = @DEPDIR@ +DLLIB = @DLLIB@ +DSYMUTIL = @DSYMUTIL@ +DUMPBIN = @DUMPBIN@ +ECHO_C = @ECHO_C@ +ECHO_N = @ECHO_N@ +ECHO_T = @ECHO_T@ +EGREP = @EGREP@ +EXEEXT = @EXEEXT@ +FGREP = @FGREP@ +GPERF = @GPERF@ +GREP = @GREP@ +INSTALL = @INSTALL@ +INSTALL_DATA = @INSTALL_DATA@ +INSTALL_PROGRAM = @INSTALL_PROGRAM@ +INSTALL_SCRIPT = @INSTALL_SCRIPT@ +INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ +LD = @LD@ +LDFLAGS = @LDFLAGS@ +LEX = @LEX@ +LEXLIB = @LEXLIB@ +LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ +LIBOBJS = @LIBOBJS@ +LIBS = @LIBS@ +LIBTOOL = @LIBTOOL@ +LIPO = @LIPO@ +LN_S = @LN_S@ +LTLIBOBJS = @LTLIBOBJS@ +MAKEINFO = @MAKEINFO@ +MKDIR_P = @MKDIR_P@ +MYSQLCFLAG = @MYSQLCFLAG@ +MYSQLCONFIG = @MYSQLCONFIG@ +MYSQLLIB = @MYSQLLIB@ +NM = @NM@ +NMEDIT = @NMEDIT@ +OBJDUMP = @OBJDUMP@ +OBJEXT = @OBJEXT@ +OTOOL = @OTOOL@ +OTOOL64 = @OTOOL64@ +PACKAGE = @PACKAGE@ +PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@ +PACKAGE_NAME = @PACKAGE_NAME@ +PACKAGE_STRING = @PACKAGE_STRING@ +PACKAGE_TARNAME = @PACKAGE_TARNAME@ +PACKAGE_URL = @PACKAGE_URL@ +PACKAGE_VERSION = @PACKAGE_VERSION@ +PATH_SEPARATOR = @PATH_SEPARATOR@ +PERL = @PERL@ +PKG_CONFIG = @PKG_CONFIG@ +PTHREADLIB = @PTHREADLIB@ +RANLIB = @RANLIB@ +RTLIB = @RTLIB@ +RUBY = @RUBY@ +RUBYINCLUDE = @RUBYINCLUDE@ +SED = @SED@ +SET_MAKE = @SET_MAKE@ +SHELL = @SHELL@ +SOCKLIB = @SOCKLIB@ +STRIP = @STRIP@ +VERSION = @VERSION@ +YACC = @YACC@ +YFLAGS = @YFLAGS@ +abs_builddir = @abs_builddir@ +abs_srcdir = @abs_srcdir@ +abs_top_builddir = @abs_top_builddir@ +abs_top_srcdir = @abs_top_srcdir@ +ac_ct_CC = @ac_ct_CC@ +ac_ct_DUMPBIN = @ac_ct_DUMPBIN@ +am__include = @am__include@ +am__leading_dot = @am__leading_dot@ +am__quote = @am__quote@ +am__tar = @am__tar@ +am__untar = @am__untar@ +bindir = @bindir@ +build = @build@ +build_alias = @build_alias@ +build_cpu = @build_cpu@ +build_os = @build_os@ +build_vendor = @build_vendor@ +builddir = @builddir@ +datadir = @datadir@ +datarootdir = @datarootdir@ +default_pkcs11 = @default_pkcs11@ +docdir = @docdir@ +dvidir = @dvidir@ +exec_prefix = @exec_prefix@ +gtk_CFLAGS = @gtk_CFLAGS@ +gtk_LIBS = @gtk_LIBS@ +host = @host@ +host_alias = @host_alias@ +host_cpu = @host_cpu@ +host_os = @host_os@ +host_vendor = @host_vendor@ +htmldir = @htmldir@ +includedir = @includedir@ +infodir = @infodir@ +install_sh = @install_sh@ +ipsecdir = @ipsecdir@ +ipsecgid = @ipsecgid@ +ipsecgroup = @ipsecgroup@ +ipsecuid = @ipsecuid@ +ipsecuser = @ipsecuser@ +libdir = @libdir@ +libexecdir = @libexecdir@ +libhydra_plugins = @libhydra_plugins@ +libstrongswan_plugins = @libstrongswan_plugins@ +linux_headers = @linux_headers@ +localedir = @localedir@ +localstatedir = @localstatedir@ +lt_ECHO = @lt_ECHO@ +mandir = @mandir@ +mkdir_p = @mkdir_p@ +nm_CFLAGS = @nm_CFLAGS@ +nm_LIBS = @nm_LIBS@ +nm_ca_dir = @nm_ca_dir@ +oldincludedir = @oldincludedir@ +pdfdir = @pdfdir@ +piddir = @piddir@ +plugindir = @plugindir@ +pluto_plugins = @pluto_plugins@ +prefix = @prefix@ +program_transform_name = @program_transform_name@ +psdir = @psdir@ +random_device = @random_device@ +resolv_conf = @resolv_conf@ +routing_table = @routing_table@ +routing_table_prio = @routing_table_prio@ +sbindir = @sbindir@ +sharedstatedir = @sharedstatedir@ +srcdir = @srcdir@ +strongswan_conf = @strongswan_conf@ +sysconfdir = @sysconfdir@ +target_alias = @target_alias@ +top_build_prefix = @top_build_prefix@ +top_builddir = @top_builddir@ +top_srcdir = @top_srcdir@ +urandom_device = @urandom_device@ +xml_CFLAGS = @xml_CFLAGS@ +xml_LIBS = @xml_LIBS@ +INCLUDES = -I$(top_srcdir)/src/libstrongswan -I$(top_srcdir)/src/libhydra \ + -I$(top_srcdir)/src/libcharon + +AM_CFLAGS = -rdynamic +@MONOLITHIC_TRUE@noinst_LTLIBRARIES = libstrongswan-farp.la +@MONOLITHIC_FALSE@plugin_LTLIBRARIES = libstrongswan-farp.la +libstrongswan_farp_la_SOURCES = farp_plugin.h farp_plugin.c \ + farp_listener.h farp_listener.c farp_spoofer.h farp_spoofer.c + +libstrongswan_farp_la_LDFLAGS = -module -avoid-version +all: all-am + +.SUFFIXES: +.SUFFIXES: .c .lo .o .obj +$(srcdir)/Makefile.in: $(srcdir)/Makefile.am $(am__configure_deps) + @for dep in $?; do \ + case '$(am__configure_deps)' in \ + *$$dep*) \ + ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \ + && { if test -f $@; then exit 0; else break; fi; }; \ + exit 1;; \ + esac; \ + done; \ + echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu src/libcharon/plugins/farp/Makefile'; \ + $(am__cd) $(top_srcdir) && \ + $(AUTOMAKE) --gnu src/libcharon/plugins/farp/Makefile +.PRECIOUS: Makefile +Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status + @case '$?' in \ + *config.status*) \ + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \ + *) \ + echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \ + cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \ + esac; + +$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh + +$(top_srcdir)/configure: $(am__configure_deps) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh +$(ACLOCAL_M4): $(am__aclocal_m4_deps) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh +$(am__aclocal_m4_deps): + +clean-noinstLTLIBRARIES: + -test -z "$(noinst_LTLIBRARIES)" || rm -f $(noinst_LTLIBRARIES) + @list='$(noinst_LTLIBRARIES)'; for p in $$list; do \ + dir="`echo $$p | sed -e 's|/[^/]*$$||'`"; \ + test "$$dir" != "$$p" || dir=.; \ + echo "rm -f \"$${dir}/so_locations\""; \ + rm -f "$${dir}/so_locations"; \ + done +install-pluginLTLIBRARIES: $(plugin_LTLIBRARIES) + @$(NORMAL_INSTALL) + test -z "$(plugindir)" || $(MKDIR_P) "$(DESTDIR)$(plugindir)" + @list='$(plugin_LTLIBRARIES)'; test -n "$(plugindir)" || list=; \ + list2=; for p in $$list; do \ + if test -f $$p; then \ + list2="$$list2 $$p"; \ + else :; fi; \ + done; \ + test -z "$$list2" || { \ + echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 '$(DESTDIR)$(plugindir)'"; \ + $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 "$(DESTDIR)$(plugindir)"; \ + } + +uninstall-pluginLTLIBRARIES: + @$(NORMAL_UNINSTALL) + @list='$(plugin_LTLIBRARIES)'; test -n "$(plugindir)" || list=; \ + for p in $$list; do \ + $(am__strip_dir) \ + echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f '$(DESTDIR)$(plugindir)/$$f'"; \ + $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f "$(DESTDIR)$(plugindir)/$$f"; \ + done + +clean-pluginLTLIBRARIES: + -test -z "$(plugin_LTLIBRARIES)" || rm -f $(plugin_LTLIBRARIES) + @list='$(plugin_LTLIBRARIES)'; for p in $$list; do \ + dir="`echo $$p | sed -e 's|/[^/]*$$||'`"; \ + test "$$dir" != "$$p" || dir=.; \ + echo "rm -f \"$${dir}/so_locations\""; \ + rm -f "$${dir}/so_locations"; \ + done +libstrongswan-farp.la: $(libstrongswan_farp_la_OBJECTS) $(libstrongswan_farp_la_DEPENDENCIES) + $(libstrongswan_farp_la_LINK) $(am_libstrongswan_farp_la_rpath) $(libstrongswan_farp_la_OBJECTS) $(libstrongswan_farp_la_LIBADD) $(LIBS) + +mostlyclean-compile: + -rm -f *.$(OBJEXT) + +distclean-compile: + -rm -f *.tab.c + +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/farp_listener.Plo@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/farp_plugin.Plo@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/farp_spoofer.Plo@am__quote@ + +.c.o: +@am__fastdepCC_TRUE@ $(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $< +@am__fastdepCC_TRUE@ $(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po +@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='$<' object='$@' libtool=no @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCC_FALSE@ $(COMPILE) -c $< + +.c.obj: +@am__fastdepCC_TRUE@ $(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'` +@am__fastdepCC_TRUE@ $(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po +@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='$<' object='$@' libtool=no @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCC_FALSE@ $(COMPILE) -c `$(CYGPATH_W) '$<'` + +.c.lo: +@am__fastdepCC_TRUE@ $(LTCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $< +@am__fastdepCC_TRUE@ $(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo +@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCC_FALSE@ $(LTCOMPILE) -c -o $@ $< + +mostlyclean-libtool: + -rm -f *.lo + +clean-libtool: + -rm -rf .libs _libs + +ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES) + list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \ + unique=`for i in $$list; do \ + if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \ + done | \ + $(AWK) '{ files[$$0] = 1; nonempty = 1; } \ + END { if (nonempty) { for (i in files) print i; }; }'`; \ + mkid -fID $$unique +tags: TAGS + +TAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \ + $(TAGS_FILES) $(LISP) + set x; \ + here=`pwd`; \ + list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \ + unique=`for i in $$list; do \ + if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \ + done | \ + $(AWK) '{ files[$$0] = 1; nonempty = 1; } \ + END { if (nonempty) { for (i in files) print i; }; }'`; \ + shift; \ + if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \ + test -n "$$unique" || unique=$$empty_fix; \ + if test $$# -gt 0; then \ + $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \ + "$$@" $$unique; \ + else \ + $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \ + $$unique; \ + fi; \ + fi +ctags: CTAGS +CTAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \ + $(TAGS_FILES) $(LISP) + list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \ + unique=`for i in $$list; do \ + if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \ + done | \ + $(AWK) '{ files[$$0] = 1; nonempty = 1; } \ + END { if (nonempty) { for (i in files) print i; }; }'`; \ + test -z "$(CTAGS_ARGS)$$unique" \ + || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \ + $$unique + +GTAGS: + here=`$(am__cd) $(top_builddir) && pwd` \ + && $(am__cd) $(top_srcdir) \ + && gtags -i $(GTAGS_ARGS) "$$here" + +distclean-tags: + -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags + +distdir: $(DISTFILES) + @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \ + topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \ + list='$(DISTFILES)'; \ + dist_files=`for file in $$list; do echo $$file; done | \ + sed -e "s|^$$srcdirstrip/||;t" \ + -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \ + case $$dist_files in \ + */*) $(MKDIR_P) `echo "$$dist_files" | \ + sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \ + sort -u` ;; \ + esac; \ + for file in $$dist_files; do \ + if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \ + if test -d $$d/$$file; then \ + dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \ + if test -d "$(distdir)/$$file"; then \ + find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \ + fi; \ + if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \ + cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \ + find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \ + fi; \ + cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \ + else \ + test -f "$(distdir)/$$file" \ + || cp -p $$d/$$file "$(distdir)/$$file" \ + || exit 1; \ + fi; \ + done +check-am: all-am +check: check-am +all-am: Makefile $(LTLIBRARIES) +installdirs: + for dir in "$(DESTDIR)$(plugindir)"; do \ + test -z "$$dir" || $(MKDIR_P) "$$dir"; \ + done +install: install-am +install-exec: install-exec-am +install-data: install-data-am +uninstall: uninstall-am + +install-am: all-am + @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am + +installcheck: installcheck-am +install-strip: + $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \ + install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \ + `test -z '$(STRIP)' || \ + echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install +mostlyclean-generic: + +clean-generic: + +distclean-generic: + -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES) + -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES) + +maintainer-clean-generic: + @echo "This command is intended for maintainers to use" + @echo "it deletes files that may require special tools to rebuild." +clean: clean-am + +clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \ + clean-pluginLTLIBRARIES mostlyclean-am + +distclean: distclean-am + -rm -rf ./$(DEPDIR) + -rm -f Makefile +distclean-am: clean-am distclean-compile distclean-generic \ + distclean-tags + +dvi: dvi-am + +dvi-am: + +html: html-am + +html-am: + +info: info-am + +info-am: + +install-data-am: install-pluginLTLIBRARIES + +install-dvi: install-dvi-am + +install-dvi-am: + +install-exec-am: + +install-html: install-html-am + +install-html-am: + +install-info: install-info-am + +install-info-am: + +install-man: + +install-pdf: install-pdf-am + +install-pdf-am: + +install-ps: install-ps-am + +install-ps-am: + +installcheck-am: + +maintainer-clean: maintainer-clean-am + -rm -rf ./$(DEPDIR) + -rm -f Makefile +maintainer-clean-am: distclean-am maintainer-clean-generic + +mostlyclean: mostlyclean-am + +mostlyclean-am: mostlyclean-compile mostlyclean-generic \ + mostlyclean-libtool + +pdf: pdf-am + +pdf-am: + +ps: ps-am + +ps-am: + +uninstall-am: uninstall-pluginLTLIBRARIES + +.MAKE: install-am install-strip + +.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \ + clean-libtool clean-noinstLTLIBRARIES clean-pluginLTLIBRARIES \ + ctags distclean distclean-compile distclean-generic \ + distclean-libtool distclean-tags distdir dvi dvi-am html \ + html-am info info-am install install-am install-data \ + install-data-am install-dvi install-dvi-am install-exec \ + install-exec-am install-html 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/libcharon/plugins/farp/farp_listener.c b/src/libcharon/plugins/farp/farp_listener.c new file mode 100644 index 000000000..8eed49778 --- /dev/null +++ b/src/libcharon/plugins/farp/farp_listener.c @@ -0,0 +1,154 @@ +/* + * Copyright (C) 2010 Martin Willi + * Copyright (C) 2010 revosec AG + * + * 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. + */ + +#include "farp_listener.h" + +#include <utils/hashtable.h> +#include <threading/rwlock.h> + +typedef struct private_farp_listener_t private_farp_listener_t; + +/** + * Private data of an farp_listener_t object. + */ +struct private_farp_listener_t { + + /** + * Public farp_listener_t interface. + */ + farp_listener_t public; + + /** + * Hashtable with active virtual IPs + */ + hashtable_t *ips; + + /** + * RWlock for IP list + */ + rwlock_t *lock; +}; + +/** + * Hashtable hash function + */ +static u_int hash(host_t *key) +{ + return chunk_hash(key->get_address(key)); +} + +/** + * Hashtable equals function + */ +static bool equals(host_t *a, host_t *b) +{ + return a->ip_equals(a, b); +} + +METHOD(listener_t, ike_updown, bool, + private_farp_listener_t *this, ike_sa_t *ike_sa, bool up) +{ + if (!up) + { + host_t *ip; + + ip = ike_sa->get_virtual_ip(ike_sa, FALSE); + if (ip) + { + this->lock->write_lock(this->lock); + ip = this->ips->remove(this->ips, ip); + this->lock->unlock(this->lock); + DESTROY_IF(ip); + } + } + return TRUE; +} + +METHOD(listener_t, message_hook, bool, + private_farp_listener_t *this, ike_sa_t *ike_sa, + message_t *message, bool incoming) +{ + if (ike_sa->get_state(ike_sa) == IKE_ESTABLISHED && + message->get_exchange_type(message) == IKE_AUTH && + !message->get_request(message)) + { + host_t *ip; + + ip = ike_sa->get_virtual_ip(ike_sa, FALSE); + if (ip) + { + ip = ip->clone(ip); + this->lock->write_lock(this->lock); + ip = this->ips->put(this->ips, ip, ip); + this->lock->unlock(this->lock); + DESTROY_IF(ip); + } + } + return TRUE; +} + +METHOD(farp_listener_t, is_active, bool, + private_farp_listener_t *this, host_t *ip) +{ + bool active; + + this->lock->read_lock(this->lock); + active = this->ips->get(this->ips, ip) != NULL; + this->lock->unlock(this->lock); + return active; +} + +METHOD(farp_listener_t, destroy, void, + private_farp_listener_t *this) +{ + enumerator_t *enumerator; + host_t *key, *value; + + enumerator = this->ips->create_enumerator(this->ips); + while (enumerator->enumerate(enumerator, &key, &value)) + { + value->destroy(value); + } + enumerator->destroy(enumerator); + this->ips->destroy(this->ips); + + this->lock->destroy(this->lock); + free(this); +} + +/** + * See header + */ +farp_listener_t *farp_listener_create() +{ + private_farp_listener_t *this; + + INIT(this, + .public = { + .listener = { + .ike_updown = _ike_updown, + .message = _message_hook, + }, + .is_active = _is_active, + .destroy = _destroy, + }, + .ips = hashtable_create((hashtable_hash_t)hash, + (hashtable_equals_t)equals, 8), + .lock = rwlock_create(RWLOCK_TYPE_DEFAULT), + ); + + return &this->public; +} + diff --git a/src/libcharon/plugins/farp/farp_listener.h b/src/libcharon/plugins/farp/farp_listener.h new file mode 100644 index 000000000..bd96d7a1c --- /dev/null +++ b/src/libcharon/plugins/farp/farp_listener.h @@ -0,0 +1,58 @@ +/* + * Copyright (C) 2010 Martin Willi + * Copyright (C) 2010 revosec AG + * + * 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 farp_listener farp_listener + * @{ @ingroup farp + */ + +#ifndef FARP_LISTENER_H_ +#define FARP_LISTENER_H_ + +#include <utils/host.h> +#include <bus/listeners/listener.h> + +typedef struct farp_listener_t farp_listener_t; + +/** + * Listener to register the set of IPs we spoof ARP responses for. + */ +struct farp_listener_t { + + /** + * Implements listener_t interface. + */ + listener_t listener; + + /** + * Check if a given IP is currently used as virtual IP by a peer. + * + * @param ip IP to check + * @return TRUE if IP is an active virtual IP + */ + bool (*is_active)(farp_listener_t *this, host_t *ip); + + /** + * Destroy a farp_listener_t. + */ + void (*destroy)(farp_listener_t *this); +}; + +/** + * Create a farp_listener instance. + */ +farp_listener_t *farp_listener_create(); + +#endif /** FARP_LISTENER_H_ @}*/ diff --git a/src/libcharon/plugins/farp/farp_plugin.c b/src/libcharon/plugins/farp/farp_plugin.c new file mode 100644 index 000000000..01c2a39c8 --- /dev/null +++ b/src/libcharon/plugins/farp/farp_plugin.c @@ -0,0 +1,77 @@ +/* + * Copyright (C) 2010 Martin Willi + * Copyright (C) 2010 revosec AG + * + * 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. + */ + +#include "farp_plugin.h" + +#include "farp_listener.h" +#include "farp_spoofer.h" + +#include <daemon.h> + +typedef struct private_farp_plugin_t private_farp_plugin_t; + +/** + * private data of farp plugin + */ +struct private_farp_plugin_t { + + /** + * implements plugin interface + */ + farp_plugin_t public; + + /** + * Listener registering active virtual IPs + */ + farp_listener_t *listener; + + /** + * Spoofer listening and spoofing ARP messages + */ + farp_spoofer_t *spoofer; +}; + +METHOD(plugin_t, destroy, void, + private_farp_plugin_t *this) +{ + DESTROY_IF(this->spoofer); + charon->bus->remove_listener(charon->bus, &this->listener->listener); + this->listener->destroy(this->listener); + free(this); +} + +/** + * Plugin constructor + */ +plugin_t *farp_plugin_create() +{ + private_farp_plugin_t *this; + + INIT(this, + .public.plugin.destroy = _destroy, + .listener = farp_listener_create(), + ); + + charon->bus->add_listener(charon->bus, &this->listener->listener); + + this->spoofer = farp_spoofer_create(this->listener); + if (!this->spoofer) + { + destroy(this); + return NULL; + } + return &this->public.plugin; +} + diff --git a/src/libcharon/plugins/farp/farp_plugin.h b/src/libcharon/plugins/farp/farp_plugin.h new file mode 100644 index 000000000..0246fcc2a --- /dev/null +++ b/src/libcharon/plugins/farp/farp_plugin.h @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2010 Martin Willi + * Copyright (C) 2010 revosec AG + * + * 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 farp farp + * @ingroup cplugins + * + * @defgroup farp_plugin farp_plugin + * @{ @ingroup farp + */ + +#ifndef FARP_PLUGIN_H_ +#define FARP_PLUGIN_H_ + +#include <plugins/plugin.h> + +typedef struct farp_plugin_t farp_plugin_t; + +/** + * ARP faking plugin that responds to ARP requests to peers virtual IP. + */ +struct farp_plugin_t { + + /** + * implements plugin interface + */ + plugin_t plugin; +}; + +#endif /** FARP_PLUGIN_H_ @}*/ diff --git a/src/libcharon/plugins/farp/farp_spoofer.c b/src/libcharon/plugins/farp/farp_spoofer.c new file mode 100644 index 000000000..29e64e32d --- /dev/null +++ b/src/libcharon/plugins/farp/farp_spoofer.c @@ -0,0 +1,198 @@ +/* + * Copyright (C) 2010 Martin Willi + * Copyright (C) 2010 revosec AG + * + * 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. + */ + +#include "farp_spoofer.h" + +#include <errno.h> +#include <unistd.h> +#include <sys/socket.h> +#include <linux/if_arp.h> +#include <linux/if_ether.h> +#include <linux/filter.h> +#include <sys/ioctl.h> + +#include <daemon.h> +#include <threading/thread.h> +#include <processing/jobs/callback_job.h> + +typedef struct private_farp_spoofer_t private_farp_spoofer_t; + +/** + * Private data of an farp_spoofer_t object. + */ +struct private_farp_spoofer_t { + + /** + * Public farp_spoofer_t interface. + */ + farp_spoofer_t public; + + /** + * Listener that knows active addresses + */ + farp_listener_t *listener; + + /** + * Callback job to read ARP requests + */ + callback_job_t *job; + + /** + * RAW socket for ARP requests + */ + int skt; +}; + +/** + * IP over Ethernet ARP message + */ +typedef struct __attribute__((packed)) { + u_int16_t hardware_type; + u_int16_t protocol_type; + u_int8_t hardware_size; + u_int8_t protocol_size; + u_int16_t opcode; + u_int8_t sender_mac[6]; + u_int8_t sender_ip[4]; + u_int8_t target_mac[6]; + u_int8_t target_ip[4]; +} arp_t; + +/** + * Send faked ARP response + */ +static void send_arp(private_farp_spoofer_t *this, + arp_t *arp, struct sockaddr_ll *addr) +{ + struct ifreq req; + char tmp[4]; + + req.ifr_ifindex = addr->sll_ifindex; + if (ioctl(this->skt, SIOCGIFNAME, &req) == 0 && + ioctl(this->skt, SIOCGIFHWADDR, &req) == 0 && + req.ifr_hwaddr.sa_family == ARPHRD_ETHER) + { + memcpy(arp->target_mac, arp->sender_mac, 6); + memcpy(arp->sender_mac, req.ifr_hwaddr.sa_data, 6); + + memcpy(tmp, arp->sender_ip, 4); + memcpy(arp->sender_ip, arp->target_ip, 4); + memcpy(arp->target_ip, tmp, 4); + + arp->opcode = htons(ARPOP_REPLY); + + sendto(this->skt, arp, sizeof(*arp), 0, + (struct sockaddr*)addr, sizeof(*addr)); + } +} + +/** + * ARP request receiving + */ +static job_requeue_t receive_arp(private_farp_spoofer_t *this) +{ + struct sockaddr_ll addr; + socklen_t addr_len = sizeof(addr); + arp_t arp; + int oldstate; + ssize_t len; + host_t *ip; + + oldstate = thread_cancelability(TRUE); + len = recvfrom(this->skt, &arp, sizeof(arp), 0, + (struct sockaddr*)&addr, &addr_len); + thread_cancelability(oldstate); + + if (len == sizeof(arp)) + { + ip = host_create_from_chunk(AF_INET, + chunk_create((char*)&arp.target_ip, 4), 0); + if (ip) + { + if (this->listener->is_active(this->listener, ip)) + { + send_arp(this, &arp, &addr); + } + ip->destroy(ip); + } + } + + return JOB_REQUEUE_DIRECT; +} + +METHOD(farp_spoofer_t, destroy, void, + private_farp_spoofer_t *this) +{ + this->job->cancel(this->job); + close(this->skt); + free(this); +} + +/** + * See header + */ +farp_spoofer_t *farp_spoofer_create(farp_listener_t *listener) +{ + private_farp_spoofer_t *this; + struct sock_filter arp_request_filter_code[] = { + BPF_STMT(BPF_LD+BPF_H+BPF_ABS, offsetof(arp_t, protocol_type)), + BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, ETH_P_IP, 0, 9), + BPF_STMT(BPF_LD+BPF_B+BPF_ABS, offsetof(arp_t, hardware_size)), + BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, 6, 0, 7), + BPF_STMT(BPF_LD+BPF_B+BPF_ABS, offsetof(arp_t, protocol_size)), + BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, 4, 0, 4), + BPF_STMT(BPF_LD+BPF_H+BPF_ABS, offsetof(arp_t, opcode)), + BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, ARPOP_REQUEST, 0, 3), + BPF_STMT(BPF_LD+BPF_W+BPF_LEN, 0), + BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, 28, 0, 1), + BPF_STMT(BPF_RET+BPF_A, 0), + BPF_STMT(BPF_RET+BPF_K, 0), + }; + struct sock_fprog arp_request_filter = { + sizeof(arp_request_filter_code) / sizeof(struct sock_filter), + arp_request_filter_code, + }; + + INIT(this, + .public = { + .destroy = _destroy, + }, + .listener = listener, + ); + + this->skt = socket(AF_PACKET, SOCK_DGRAM, htons(ETH_P_ARP)); + if (this->skt == -1) + { + DBG1(DBG_NET, "opening ARP packet socket failed: %s", strerror(errno)); + free(this); + return NULL; + } + + if (setsockopt(this->skt, SOL_SOCKET, SO_ATTACH_FILTER, + &arp_request_filter, sizeof(arp_request_filter)) < 0) + { + DBG1(DBG_NET, "installing ARP packet filter failed: %s", strerror(errno)); + close(this->skt); + free(this); + return NULL; + } + + this->job = callback_job_create((callback_job_cb_t)receive_arp, + this, NULL, NULL); + charon->processor->queue_job(charon->processor, (job_t*)this->job); + + return &this->public; +} + diff --git a/src/libcharon/plugins/farp/farp_spoofer.h b/src/libcharon/plugins/farp/farp_spoofer.h new file mode 100644 index 000000000..c91fb3b96 --- /dev/null +++ b/src/libcharon/plugins/farp/farp_spoofer.h @@ -0,0 +1,47 @@ +/* + * Copyright (C) 2010 Martin Willi + * Copyright (C) 2010 revosec AG + * + * 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 farp_spoofer farp_spoofer + * @{ @ingroup farp + */ + +#ifndef FARP_SPOOFER_H_ +#define FARP_SPOOFER_H_ + +#include "farp_listener.h" + +typedef struct farp_spoofer_t farp_spoofer_t; + +/** + * Listen to ARP requests and spoof responses, if required. + */ +struct farp_spoofer_t { + + /** + * Destroy a farp_spoofer_t. + */ + void (*destroy)(farp_spoofer_t *this); +}; + +/** + * Create a farp_spoofer instance. + * + * @param listener listener to check for addresses to spoof + * @return spoofer instance + */ +farp_spoofer_t *farp_spoofer_create(farp_listener_t *listener); + +#endif /** FARP_SPOOFER_H_ @}*/ |