diff options
Diffstat (limited to 'src/libhydra')
24 files changed, 2356 insertions, 292 deletions
diff --git a/src/libhydra/Makefile.am b/src/libhydra/Makefile.am index 601a56e38..4e5c55d3f 100644 --- a/src/libhydra/Makefile.am +++ b/src/libhydra/Makefile.am @@ -40,3 +40,10 @@ if MONOLITHIC endif endif +if USE_RESOLVE + SUBDIRS += plugins/resolve +if MONOLITHIC + libhydra_la_LIBADD += plugins/resolve/libstrongswan-resolve.la +endif +endif + diff --git a/src/libhydra/Makefile.in b/src/libhydra/Makefile.in index 32027d1ea..a3aec26c9 100644 --- a/src/libhydra/Makefile.in +++ b/src/libhydra/Makefile.in @@ -1,4 +1,4 @@ -# Makefile.in generated by automake 1.11 from Makefile.am. +# Makefile.in generated by automake 1.11.1 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, @@ -38,6 +38,8 @@ host_triplet = @host@ @MONOLITHIC_TRUE@@USE_ATTR_TRUE@am__append_2 = plugins/attr/libstrongswan-attr.la @USE_ATTR_SQL_TRUE@am__append_3 = plugins/attr_sql @MONOLITHIC_TRUE@@USE_ATTR_SQL_TRUE@am__append_4 = plugins/attr_sql/libstrongswan-attr-sql.la +@USE_RESOLVE_TRUE@am__append_5 = plugins/resolve +@MONOLITHIC_TRUE@@USE_RESOLVE_TRUE@am__append_6 = plugins/resolve/libstrongswan-resolve.la subdir = src/libhydra DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 @@ -77,7 +79,8 @@ am__base_list = \ sed '$$!N;$$!N;$$!N;$$!N;s/\n/ /g' am__installdirs = "$(DESTDIR)$(libdir)" LTLIBRARIES = $(lib_LTLIBRARIES) -libhydra_la_DEPENDENCIES = $(am__append_2) $(am__append_4) +libhydra_la_DEPENDENCIES = $(am__append_2) $(am__append_4) \ + $(am__append_6) am_libhydra_la_OBJECTS = hydra.lo attributes.lo attribute_manager.lo \ mem_pool.lo libhydra_la_OBJECTS = $(am_libhydra_la_OBJECTS) @@ -110,7 +113,7 @@ AM_RECURSIVE_TARGETS = $(RECURSIVE_TARGETS:-recursive=) \ distdir ETAGS = etags CTAGS = ctags -DIST_SUBDIRS = . plugins/attr plugins/attr_sql +DIST_SUBDIRS = . plugins/attr plugins/attr_sql plugins/resolve DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST) am__relativize = \ dir0=`pwd`; \ @@ -300,7 +303,7 @@ attributes/attribute_provider.h attributes/attribute_handler.h \ attributes/attribute_manager.c attributes/attribute_manager.h \ attributes/mem_pool.c attributes/mem_pool.h -libhydra_la_LIBADD = $(am__append_2) $(am__append_4) +libhydra_la_LIBADD = $(am__append_2) $(am__append_4) $(am__append_6) INCLUDES = -I$(top_srcdir)/src/libstrongswan AM_CFLAGS = \ -DIPSEC_DIR=\"${ipsecdir}\" \ @@ -308,11 +311,13 @@ AM_CFLAGS = \ -DSTRONGSWAN_CONF=\"${strongswan_conf}\" EXTRA_DIST = Android.mk -@MONOLITHIC_FALSE@SUBDIRS = . $(am__append_1) $(am__append_3) +@MONOLITHIC_FALSE@SUBDIRS = . $(am__append_1) $(am__append_3) \ +@MONOLITHIC_FALSE@ $(am__append_5) # build optional plugins ######################## -@MONOLITHIC_TRUE@SUBDIRS = $(am__append_1) $(am__append_3) +@MONOLITHIC_TRUE@SUBDIRS = $(am__append_1) $(am__append_3) \ +@MONOLITHIC_TRUE@ $(am__append_5) all: all-recursive .SUFFIXES: @@ -447,7 +452,7 @@ clean-libtool: # (which will cause the Makefiles to be regenerated when you run `make'); # (2) otherwise, pass the desired values on the `make' command line. $(RECURSIVE_TARGETS): - @failcom='exit 1'; \ + @fail= failcom='exit 1'; \ for f in x $$MAKEFLAGS; do \ case $$f in \ *=* | --[!k]*);; \ @@ -472,7 +477,7 @@ $(RECURSIVE_TARGETS): fi; test -z "$$fail" $(RECURSIVE_CLEAN_TARGETS): - @failcom='exit 1'; \ + @fail= failcom='exit 1'; \ for f in x $$MAKEFLAGS; do \ case $$f in \ *=* | --[!k]*);; \ diff --git a/src/libhydra/attributes/attribute_manager.c b/src/libhydra/attributes/attribute_manager.c index 3080b56eb..0d4cbda82 100644 --- a/src/libhydra/attributes/attribute_manager.c +++ b/src/libhydra/attributes/attribute_manager.c @@ -51,6 +51,8 @@ struct private_attribute_manager_t { * Data to pass to enumerator filters */ typedef struct { + /** attribute group pool */ + char *pool; /** server/peer identity */ identification_t *id; /** requesting/assigned virtual IP */ @@ -123,17 +125,20 @@ static void release_address(private_attribute_manager_t *this, static enumerator_t *responder_enum_create(attribute_provider_t *provider, enum_data_t *data) { - return provider->create_attribute_enumerator(provider, data->id, data->vip); + return provider->create_attribute_enumerator(provider, data->pool, + data->id, data->vip); } /** * Implementation of attribute_manager_t.create_responder_enumerator */ static enumerator_t* create_responder_enumerator( - private_attribute_manager_t *this, identification_t *id, host_t *vip) + private_attribute_manager_t *this, char *pool, + identification_t *id, host_t *vip) { enum_data_t *data = malloc_thing(enum_data_t); + data->pool = pool; data->id = id; data->vip = vip; this->lock->read_lock(this->lock); @@ -355,7 +360,7 @@ attribute_manager_t *attribute_manager_create() this->public.acquire_address = (host_t*(*)(attribute_manager_t*, char*, identification_t*,host_t*))acquire_address; this->public.release_address = (void(*)(attribute_manager_t*, char *, host_t*, identification_t*))release_address; - this->public.create_responder_enumerator = (enumerator_t*(*)(attribute_manager_t*, identification_t*, host_t*))create_responder_enumerator; + this->public.create_responder_enumerator = (enumerator_t*(*)(attribute_manager_t*, char *name, identification_t*, host_t*))create_responder_enumerator; this->public.add_provider = (void(*)(attribute_manager_t*, attribute_provider_t *provider))add_provider; this->public.remove_provider = (void(*)(attribute_manager_t*, attribute_provider_t *provider))remove_provider; this->public.handle = (attribute_handler_t*(*)(attribute_manager_t*,identification_t*, attribute_handler_t*, configuration_attribute_type_t, chunk_t))handle; diff --git a/src/libhydra/attributes/attribute_manager.h b/src/libhydra/attributes/attribute_manager.h index 642662366..56afef7c6 100644 --- a/src/libhydra/attributes/attribute_manager.h +++ b/src/libhydra/attributes/attribute_manager.h @@ -61,12 +61,13 @@ struct attribute_manager_t { /** * Create an enumerator over attributes to hand out to a peer. * + * @param pool pool name to get attributes from * @param id peer identity to hand out attributes to * @param vip virtual IP to assign to peer, if any * @return enumerator (configuration_attribute_type_t, chunk_t) */ enumerator_t* (*create_responder_enumerator)(attribute_manager_t *this, - identification_t *id, host_t *vip); + char *pool, identification_t *id, host_t *vip); /** * Register an attribute provider to the manager. diff --git a/src/libhydra/attributes/attribute_provider.h b/src/libhydra/attributes/attribute_provider.h index f8485cc6c..e4b4e13f3 100644 --- a/src/libhydra/attributes/attribute_provider.h +++ b/src/libhydra/attributes/attribute_provider.h @@ -56,12 +56,13 @@ struct attribute_provider_t { /** * Create an enumerator over attributes to hand out to a peer. * + * @param pool pool name to get attributes from * @param id peer ID * @param vip virtual IP to assign to peer, if any * @return enumerator (configuration_attribute_type_t, chunk_t) */ enumerator_t* (*create_attribute_enumerator)(attribute_provider_t *this, - identification_t *id, host_t *vip); + char *pool, identification_t *id, host_t *vip); }; #endif /** ATTRIBUTE_PROVIDER_H_ @}*/ diff --git a/src/libhydra/attributes/attributes.c b/src/libhydra/attributes/attributes.c index 83feed17e..ea87109e2 100644 --- a/src/libhydra/attributes/attributes.c +++ b/src/libhydra/attributes/attributes.c @@ -36,8 +36,77 @@ ENUM_BEGIN(configuration_attribute_type_names, INTERNAL_IP4_ADDRESS, INTERNAL_IP "MIP6_HOME_PREFIX", "INTERNAL_IP6_LINK", "INTERNAL_IP6_PREFIX"); -ENUM_NEXT(configuration_attribute_type_names, INTERNAL_IP4_SERVER, INTERNAL_IP6_SERVER, INTERNAL_IP6_PREFIX, +ENUM_NEXT(configuration_attribute_type_names, XAUTH_TYPE, XAUTH_ANSWER, INTERNAL_IP6_PREFIX, + "XAUTH_TYPE", + "XAUTH_USER_NAME", + "XAUTH_USER_PASSWORD", + "XAUTH_PASSCODE", + "XAUTH_MESSAGE", + "XAUTH_CHALLENGE", + "XAUTH_DOMAIN", + "XAUTH_STATUS", + "XAUTH_NEXT_PIN", + "XAUTH_ANSWER"); +ENUM_NEXT(configuration_attribute_type_names, INTERNAL_IP4_SERVER, INTERNAL_IP6_SERVER, XAUTH_ANSWER, "INTERNAL_IP4_SERVER", "INTERNAL_IP6_SERVER"); -ENUM_END(configuration_attribute_type_names, INTERNAL_IP6_SERVER); +ENUM_NEXT(configuration_attribute_type_names, UNITY_BANNER, UNITY_DDNS_HOSTNAME, INTERNAL_IP6_SERVER, + "UNITY_BANNER", + "UNITY_SAVE_PASSWD", + "UNITY_DEF_DOMAIN", + "UNITY_SPLITDNS_NAME", + "UNITY_SPLIT_INCLUDE", + "UNITY_NATT_PORT", + "UNITY_LOCAL_LAN", + "UNITY_PFS", + "UNITY_FW_TYPE", + "UNITY_BACKUP_SERVERS", + "UNITY_DDNS_HOSTNAME"); +ENUM_END(configuration_attribute_type_names, UNITY_DDNS_HOSTNAME); +ENUM_BEGIN(configuration_attribute_type_short_names, INTERNAL_IP4_ADDRESS, INTERNAL_IP6_PREFIX, + "ADDR", + "MASK", + "DNS", + "NBNS", + "EXP", + "DHCP", + "VER", + "ADDR6", + "MASK6", + "DNS6", + "NBNS6", + "DHCP6", + "SUBNET", + "SUPPORTED", + "SUBNET6", + "MIP6HPFX", + "LINK6", + "PFX6"); +ENUM_NEXT(configuration_attribute_type_short_names, XAUTH_TYPE, XAUTH_ANSWER, INTERNAL_IP6_PREFIX, + "XAUTH_TYPE", + "XAUTH_USER_NAME", + "XAUTH_USER_PASSWORD", + "XAUTH_PASSCODE", + "XAUTH_MESSAGE", + "XAUTH_CHALLENGE", + "XAUTH_DOMAIN", + "XAUTH_STATUS", + "XAUTH_NEXT_PIN", + "XAUTH_ANSWER"); +ENUM_NEXT(configuration_attribute_type_short_names, INTERNAL_IP4_SERVER, INTERNAL_IP6_SERVER, XAUTH_ANSWER, + "SRV", + "SRV6"); +ENUM_NEXT(configuration_attribute_type_short_names, UNITY_BANNER, UNITY_DDNS_HOSTNAME, INTERNAL_IP6_SERVER, + "UNITY_BANNER", + "UNITY_SAVE_PASSWD", + "UNITY_DEF_DOMAIN", + "UNITY_SPLITDNS_NAME", + "UNITY_SPLIT_INCLUDE", + "UNITY_NATT_PORT", + "UNITY_LOCAL_LAN", + "UNITY_PFS", + "UNITY_FW_TYPE", + "UNITY_BACKUP_SERVERS", + "UNITY_DDNS_HOSTNAME"); +ENUM_END(configuration_attribute_type_short_names, UNITY_DDNS_HOSTNAME); diff --git a/src/libhydra/attributes/attributes.h b/src/libhydra/attributes/attributes.h index f4a396f21..3a40ba367 100644 --- a/src/libhydra/attributes/attributes.h +++ b/src/libhydra/attributes/attributes.h @@ -30,27 +30,50 @@ typedef enum configuration_attribute_type_t configuration_attribute_type_t; * Type of the attribute, as in IKEv2 RFC 3.15.1 or IKEv1 ModeConfig. */ enum configuration_attribute_type_t { - INTERNAL_IP4_ADDRESS = 1, - INTERNAL_IP4_NETMASK = 2, - INTERNAL_IP4_DNS = 3, - INTERNAL_IP4_NBNS = 4, + INTERNAL_IP4_ADDRESS = 1, + INTERNAL_IP4_NETMASK = 2, + INTERNAL_IP4_DNS = 3, + INTERNAL_IP4_NBNS = 4, INTERNAL_ADDRESS_EXPIRY = 5, - INTERNAL_IP4_DHCP = 6, - APPLICATION_VERSION = 7, - INTERNAL_IP6_ADDRESS = 8, - INTERNAL_IP6_NETMASK = 9, - INTERNAL_IP6_DNS = 10, - INTERNAL_IP6_NBNS = 11, - INTERNAL_IP6_DHCP = 12, - INTERNAL_IP4_SUBNET = 13, - SUPPORTED_ATTRIBUTES = 14, - INTERNAL_IP6_SUBNET = 15, - MIP6_HOME_PREFIX = 16, - INTERNAL_IP6_LINK = 17, - INTERNAL_IP6_PREFIX = 18, + INTERNAL_IP4_DHCP = 6, + APPLICATION_VERSION = 7, + INTERNAL_IP6_ADDRESS = 8, + INTERNAL_IP6_NETMASK = 9, + INTERNAL_IP6_DNS = 10, + INTERNAL_IP6_NBNS = 11, + INTERNAL_IP6_DHCP = 12, + INTERNAL_IP4_SUBNET = 13, + SUPPORTED_ATTRIBUTES = 14, + INTERNAL_IP6_SUBNET = 15, + MIP6_HOME_PREFIX = 16, + INTERNAL_IP6_LINK = 17, + INTERNAL_IP6_PREFIX = 18, + /* XAUTH attributes */ + XAUTH_TYPE = 16520, + XAUTH_USER_NAME = 16521, + XAUTH_USER_PASSWORD = 16522, + XAUTH_PASSCODE = 16523, + XAUTH_MESSAGE = 16524, + XAUTH_CHALLENGE = 16525, + XAUTH_DOMAIN = 16526, + XAUTH_STATUS = 16527, + XAUTH_NEXT_PIN = 16528, + XAUTH_ANSWER = 16529, /* proprietary Microsoft attributes */ - INTERNAL_IP4_SERVER = 23456, - INTERNAL_IP6_SERVER = 23457 + INTERNAL_IP4_SERVER = 23456, + INTERNAL_IP6_SERVER = 23457, + /* proprietary Cisco Unity attributes */ + UNITY_BANNER = 28672, + UNITY_SAVE_PASSWD = 28673, + UNITY_DEF_DOMAIN = 28674, + UNITY_SPLITDNS_NAME = 28675, + UNITY_SPLIT_INCLUDE = 28676, + UNITY_NATT_PORT = 28677, + UNITY_LOCAL_LAN = 28678, + UNITY_PFS = 28679, + UNITY_FW_TYPE = 28680, + UNITY_BACKUP_SERVERS = 28681, + UNITY_DDNS_HOSTNAME = 28682 }; /** @@ -58,5 +81,10 @@ enum configuration_attribute_type_t { */ extern enum_name_t *configuration_attribute_type_names; +/** + * Short enum names for configuration_attribute_type_t. + */ +extern enum_name_t *configuration_attribute_type_short_names; + #endif /** ATTRIBUTES_H_ @}*/ diff --git a/src/libhydra/attributes/mem_pool.c b/src/libhydra/attributes/mem_pool.c index 65018e3a9..e1d69fd6b 100644 --- a/src/libhydra/attributes/mem_pool.c +++ b/src/libhydra/attributes/mem_pool.c @@ -225,9 +225,18 @@ METHOD(mem_pool_t, acquire_address, host_t*, /* check for a valid online lease, reassign */ offset = (uintptr_t)this->online->get(this->online, id); - if (offset && offset == host2offset(this, requested)) + if (offset) { - DBG1(DBG_CFG, "reassigning online lease to '%Y'", id); + if (offset == host2offset(this, requested)) + { + DBG1(DBG_CFG, "reassigning online lease to '%Y'", id); + } + else + { + DBG1(DBG_CFG, "'%Y' already has an online lease, " + "unable to assign address", id); + offset = 0; + } break; } diff --git a/src/libhydra/plugins/attr/Makefile.in b/src/libhydra/plugins/attr/Makefile.in index 54aa64beb..71402fc7f 100644 --- a/src/libhydra/plugins/attr/Makefile.in +++ b/src/libhydra/plugins/attr/Makefile.in @@ -1,4 +1,4 @@ -# Makefile.in generated by automake 1.11 from Makefile.am. +# Makefile.in generated by automake 1.11.1 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, diff --git a/src/libhydra/plugins/attr/attr_provider.c b/src/libhydra/plugins/attr/attr_provider.c index 9d6daa892..b3c0cc076 100644 --- a/src/libhydra/plugins/attr/attr_provider.c +++ b/src/libhydra/plugins/attr/attr_provider.c @@ -65,7 +65,7 @@ static bool attr_enum_filter(void *null, attribute_entry_t **in, * Implementation of attribute_provider_t.create_attribute_enumerator */ static enumerator_t* create_attribute_enumerator(private_attr_provider_t *this, - identification_t *id, host_t *vip) + char *pool, identification_t *id, host_t *vip) { if (vip) { @@ -148,6 +148,7 @@ static struct { {"dhcp", INTERNAL_IP4_DHCP, INTERNAL_IP6_DHCP}, {"netmask", INTERNAL_IP4_NETMASK, INTERNAL_IP6_NETMASK}, {"server", INTERNAL_IP4_SERVER, INTERNAL_IP6_SERVER}, + {"subnet", INTERNAL_IP4_SUBNET, INTERNAL_IP6_SUBNET}, }; /** @@ -165,12 +166,19 @@ static void load_entries(private_attr_provider_t *this) configuration_attribute_type_t type; attribute_entry_t *entry; host_t *host; - int i; + char *pos; + int i, mask = -1; type = atoi(key); tokens = enumerator_create_token(value, ",", " "); while (tokens->enumerate(tokens, &token)) { + pos = strchr(token, '/'); + if (pos) + { + *(pos++) = '\0'; + mask = atoi(pos); + } host = host_create_from_string(token, 0); if (!host) { @@ -201,7 +209,27 @@ static void load_entries(private_attr_provider_t *this) } entry = malloc_thing(attribute_entry_t); entry->type = type; - entry->value = chunk_clone(host->get_address(host)); + if (mask == -1) + { + entry->value = chunk_clone(host->get_address(host)); + } + else + { + if (host->get_family(host) == AF_INET) + { /* IPv4 attributes contain a subnet mask */ + u_int32_t netmask; + + mask = 32 - mask; + netmask = htonl((0xFFFFFFFF >> mask) << mask); + entry->value = chunk_cat("cc", host->get_address(host), + chunk_from_thing(netmask)); + } + else + { /* IPv6 addresses the prefix only */ + entry->value = chunk_cat("cc", host->get_address(host), + chunk_from_chars(mask)); + } + } host->destroy(host); this->attributes->insert_last(this->attributes, entry); } @@ -222,7 +250,7 @@ attr_provider_t *attr_provider_create(database_t *db) this->public.provider.acquire_address = (host_t*(*)(attribute_provider_t *this, char*, identification_t *, host_t *))return_null; this->public.provider.release_address = (bool(*)(attribute_provider_t *this, char*,host_t *, identification_t*))return_false; - this->public.provider.create_attribute_enumerator = (enumerator_t*(*)(attribute_provider_t*, identification_t *id, host_t *vip))create_attribute_enumerator; + this->public.provider.create_attribute_enumerator = (enumerator_t*(*)(attribute_provider_t*, char *names, identification_t *id, host_t *vip))create_attribute_enumerator; this->public.destroy = (void(*)(attr_provider_t*))destroy; this->attributes = linked_list_create(); diff --git a/src/libhydra/plugins/attr_sql/Makefile.am b/src/libhydra/plugins/attr_sql/Makefile.am index 376a8259c..a3dac863f 100644 --- a/src/libhydra/plugins/attr_sql/Makefile.am +++ b/src/libhydra/plugins/attr_sql/Makefile.am @@ -18,6 +18,8 @@ libstrongswan_attr_sql_la_SOURCES = \ libstrongswan_attr_sql_la_LDFLAGS = -module -avoid-version ipsec_PROGRAMS = pool -pool_SOURCES = pool.c -pool_LDADD = $(top_builddir)/src/libstrongswan/libstrongswan.la +pool_SOURCES = pool.c pool_attributes.c pool_attributes.h \ + pool_usage.h pool_usage.c +pool_LDADD = $(top_builddir)/src/libstrongswan/libstrongswan.la \ + $(top_builddir)/src/libhydra/libhydra.la pool.o : $(top_builddir)/config.status diff --git a/src/libhydra/plugins/attr_sql/Makefile.in b/src/libhydra/plugins/attr_sql/Makefile.in index 99e97cefc..edf51059b 100644 --- a/src/libhydra/plugins/attr_sql/Makefile.in +++ b/src/libhydra/plugins/attr_sql/Makefile.in @@ -1,4 +1,4 @@ -# Makefile.in generated by automake 1.11 from Makefile.am. +# Makefile.in generated by automake 1.11.1 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, @@ -88,10 +88,12 @@ libstrongswan_attr_sql_la_LINK = $(LIBTOOL) --tag=CC \ @MONOLITHIC_FALSE@ $(plugindir) @MONOLITHIC_TRUE@am_libstrongswan_attr_sql_la_rpath = PROGRAMS = $(ipsec_PROGRAMS) -am_pool_OBJECTS = pool.$(OBJEXT) +am_pool_OBJECTS = pool.$(OBJEXT) pool_attributes.$(OBJEXT) \ + pool_usage.$(OBJEXT) pool_OBJECTS = $(am_pool_OBJECTS) pool_DEPENDENCIES = \ - $(top_builddir)/src/libstrongswan/libstrongswan.la + $(top_builddir)/src/libstrongswan/libstrongswan.la \ + $(top_builddir)/src/libhydra/libhydra.la DEFAULT_INCLUDES = -I.@am__isrc@ depcomp = $(SHELL) $(top_srcdir)/depcomp am__depfiles_maybe = depfiles @@ -277,8 +279,12 @@ libstrongswan_attr_sql_la_SOURCES = \ sql_attribute.h sql_attribute.c libstrongswan_attr_sql_la_LDFLAGS = -module -avoid-version -pool_SOURCES = pool.c -pool_LDADD = $(top_builddir)/src/libstrongswan/libstrongswan.la +pool_SOURCES = pool.c pool_attributes.c pool_attributes.h \ + pool_usage.h pool_usage.c + +pool_LDADD = $(top_builddir)/src/libstrongswan/libstrongswan.la \ + $(top_builddir)/src/libhydra/libhydra.la + all: all-am .SUFFIXES: @@ -410,6 +416,8 @@ distclean-compile: @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/attr_sql_plugin.Plo@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/pool.Po@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/pool_attributes.Po@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/pool_usage.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sql_attribute.Plo@am__quote@ .c.o: diff --git a/src/libhydra/plugins/attr_sql/pool.c b/src/libhydra/plugins/attr_sql/pool.c index fed89fc51..b4bdfc629 100644 --- a/src/libhydra/plugins/attr_sql/pool.c +++ b/src/libhydra/plugins/attr_sql/pool.c @@ -27,15 +27,18 @@ #include <utils/identification.h> #include <attributes/attributes.h> +#include "pool_attributes.h" +#include "pool_usage.h" + /** * global database handle */ database_t *db; /** - * --start/--end/--server addresses of various subcommands + * --start/--end addresses of various subcommands */ -host_t *start = NULL, *end = NULL, *server = NULL; +host_t *start = NULL, *end = NULL; /** * whether --add should --replace an existing pool @@ -126,23 +129,6 @@ static bool is_attribute(char *name) } /** - * determine configuration attribute type - */ -static configuration_attribute_type_t get_attribute_type(char *name, host_t* addr) -{ - if (strcaseeq(name, "dns")) - { - return (addr->get_family(addr) == AF_INET) ? INTERNAL_IP4_DNS : - INTERNAL_IP6_DNS; - } - else - { - return (addr->get_family(addr) == AF_INET) ? INTERNAL_IP4_NBNS : - INTERNAL_IP6_NBNS; - } -} - -/** * calculate the size of a pool using start and end address chunk */ static u_int get_pool_size(chunk_t start, chunk_t end) @@ -159,85 +145,6 @@ static u_int get_pool_size(chunk_t start, chunk_t end) } /** - * print usage info - */ -static void usage(void) -{ - printf("\ -Usage:\n\ - ipsec pool --status|--add|--replace|--del|--resize|--purge [options]\n\ - \n\ - ipsec pool --status\n\ - Show a list of installed pools with statistics.\n\ - \n\ - ipsec pool --add <name> --start <start> --end <end> [--timeout <timeout>]\n\ - ipsec pool --replace <name> --start <start> --end <end> [--timeout <timeout>]\n\ - Add a new pool to or replace an existing pool in the database.\n\ - name: Name of the pool, as used in ipsec.conf rightsourceip=%%name\n\ - start: Start address of the pool\n\ - end: End address of the pool\n\ - timeout: Lease time in hours, 0 for static leases\n\ - \n\ - ipsec pool --add <name> --addresses <file> [--timeout <timeout>]\n\ - ipsec pool --replace <name> --addresses <file> [--timeout <timeout>]\n\ - Add a new pool to or replace an existing pool in the database.\n\ - name: Name of the pool, as used in ipsec.conf rightsourceip=%%name\n\ - file: File newline separated addresses for the pool are read from.\n\ - Optionally each address can be pre-assigned to a roadwarrior\n\ - identity, e.g. 10.231.14.2=alice@strongswan.org.\n\ - If a - (hyphen) is given instead of a file name, the addresses\n\ - are read from STDIN. Reading addresses stops at the end of file\n\ - or an empty line. Pools created with this command can not be\n\ - resized.\n\ - timeout: Lease time in hours, 0 for static leases\n\ - \n\ - ipsec pool --add dns|nbns|wins --server <server>\n\ - Add a new DNS or NBNS server to the database.\n\ - server: IP address of the name server\n\ - \n\ - ipsec pool --del <name>\n\ - Delete a pool from the database.\n\ - name: Name of the pool to delete\n\ - \n\ - ipsec pool --del dns|nbns|wins [--server <server>]\n\ - Delete a specific or all DNS or NBNS servers from the database.\n\ - server: IP address of the name server to delete\n\ - \n\ - ipsec pool --resize <name> --end <end>\n\ - Grow or shrink an existing pool.\n\ - name: Name of the pool to resize\n\ - end: New end address for the pool\n\ - \n\ - ipsec pool --leases [--filter <filter>] [--utc]\n\ - Show lease information using filters:\n\ - filter: Filter string containing comma separated key=value filters,\n\ - e.g. id=alice@strongswan.org,addr=1.1.1.1\n\ - pool: name of the pool\n\ - id: assigned identity of the lease\n\ - addr: lease IP address\n\ - tstamp: UNIX timestamp when lease was valid, as integer\n\ - status: status of the lease: online|valid|expired\n\ - utc: Show times in UTC instead of local time\n\ - \n\ - ipsec pool --purge <name>\n\ - Delete lease history of a pool:\n\ - name: Name of the pool to purge\n\ - \n\ - ipsec pool --batch <file>\n\ - Read commands from a file and execute them atomically.\n\ - file: File to read the newline separated commands from. Commands\n\ - appear as they are written on the command line, e.g.\n\ - --replace mypool --start 10.0.0.1 --end 10.0.0.254\n\ - --del dns\n\ - --add dns --server 10.1.0.1\n\ - --add dns --server 10.1.1.1\n\ - If a - (hyphen) is given as a file name, the commands are read\n\ - from STDIN. Readin commands stops at the end of file. Empty\n\ - lines are ignored. The file may not contain a --batch command.\n\ - \n"); -} - -/** * ipsec pool --status - show pool overview */ static void status(void) @@ -483,29 +390,14 @@ static bool add_address(u_int pool_id, char *address_str, int *family) char *pos_eq = strchr(address_str, '='); if (pos_eq != NULL) { - enumerator_t *e; identification_t *id = identification_create_from_string(pos_eq + 1); + user_id = get_identity(id); + id->destroy(id); - /* look for peer identity in the identities table */ - e = db->query(db, - "SELECT id FROM identities WHERE type = ? AND data = ?", - DB_INT, id->get_type(id), DB_BLOB, id->get_encoding(id), - DB_UINT); - - if (!e || !e->enumerate(e, &user_id)) + if (user_id == 0) { - /* not found, insert new one */ - if (db->execute(db, &user_id, - "INSERT INTO identities (type, data) VALUES (?, ?)", - DB_INT, id->get_type(id), - DB_BLOB, id->get_encoding(id)) != 1) - { - fprintf(stderr, "creating id '%s' failed.\n", pos_eq + 1); - return FALSE; - } + return FALSE; } - DESTROY_IF(e); - id->destroy(id); *pos_eq = '\0'; } @@ -593,26 +485,6 @@ static void add_addresses(char *pool, char *path, int timeout) } /** - * ipsec pool --add dns|nbns|wins - add a DNS or NBNS server entry - */ -static void add_attr(char *name, host_t *server) -{ - configuration_attribute_type_t type; - chunk_t value; - - type = get_attribute_type(name, server); - value = server->get_address(server); - if (db->execute(db, NULL, - "INSERT INTO attributes (type, value) VALUES (?, ?)", - DB_INT, type, DB_BLOB, value) != 1) - { - fprintf(stderr, "adding %s server %H failed.\n", name, server); - exit(EXIT_FAILURE); - } - printf("added %s server %H\n", name, server); -} - -/** * ipsec pool --del - delete a pool */ static void del(char *name) @@ -653,88 +525,6 @@ static void del(char *name) } /** - * ipsec pool --del dns|nbns|wins - delete a DNS or NBNS server entry - */ -static void del_attr(char *name, host_t *server) -{ - configuration_attribute_type_t type; - chunk_t value; - u_int id; - enumerator_t *query; - bool found = FALSE; - - if (server) - { - type = get_attribute_type(name, server); - value = server->get_address(server); - query = db->query(db, - "SELECT id, type, value FROM attributes " - "WHERE type = ? AND value = ?", - DB_INT, type, DB_BLOB, value, - DB_UINT, DB_INT, DB_BLOB); - } - else - { - configuration_attribute_type_t type_ip4, type_ip6; - - if (strcaseeq(name, "dns")) - { - type_ip4 = INTERNAL_IP4_DNS; - type_ip6 = INTERNAL_IP6_DNS; - } - else - { - type_ip4 = INTERNAL_IP4_NBNS; - type_ip6 = INTERNAL_IP6_NBNS; - } - - query = db->query(db, - "SELECT id, type, value FROM attributes " - "WHERE type = ? OR type = ?", - DB_INT, type_ip4, DB_INT, type_ip6, - DB_UINT, DB_INT, DB_BLOB); - } - if (!query) - { - fprintf(stderr, "deleting %s servers failed.\n", name); - exit(EXIT_FAILURE); - } - - while (query->enumerate(query, &id, &type, &value)) - { - int family; - host_t *host; - - found = TRUE; - family = (type == INTERNAL_IP4_DNS || type == INTERNAL_IP4_NBNS) ? - AF_INET : AF_INET6; - host = host_create_from_chunk(family, value, 0); - if (db->execute(db, NULL, - "DELETE FROM attributes WHERE id = ?", - DB_UINT, id) != 1) - { - fprintf(stderr, "deleting %s server %H failed\n", name, host); - query->destroy(query); - DESTROY_IF(host); - exit(EXIT_FAILURE); - } - printf("deleted %s server %H\n", name, host); - DESTROY_IF(host); - } - query->destroy(query); - - if (!found && server) - { - printf("%s server %H not found\n", name, server); - exit(EXIT_FAILURE); - } - else if (!found) - { - printf("no %s servers found\n", name); - } -} - -/** * ipsec pool --resize - resize a pool */ static void resize(char *name, host_t *end) @@ -1134,22 +924,26 @@ static void cleanup(void) db->destroy(db); DESTROY_IF(start); DESTROY_IF(end); - DESTROY_IF(server); } static void do_args(int argc, char *argv[]) { - char *name = "", *filter = "", *addresses = NULL; + char *name = "", *value = "", *filter = ""; + char *pool = NULL, *identity = NULL, *addresses = NULL; + value_type_t value_type = VALUE_NONE; int timeout = 0; - bool utc = FALSE; + bool utc = FALSE, hexout = FALSE; + enum { OP_UNDEF, OP_USAGE, OP_STATUS, + OP_STATUS_ATTR, OP_ADD, OP_ADD_ATTR, OP_DEL, OP_DEL_ATTR, + OP_SHOW_ATTR, OP_RESIZE, OP_LEASES, OP_PURGE, @@ -1174,14 +968,26 @@ static void do_args(int argc, char *argv[]) { "resize", required_argument, NULL, 'r' }, { "leases", no_argument, NULL, 'l' }, { "purge", required_argument, NULL, 'p' }, + { "statusattr", no_argument, NULL, '1' }, + { "addattr", required_argument, NULL, '2' }, + { "delattr", required_argument, NULL, '3' }, + { "showattr", no_argument, NULL, '4' }, { "batch", required_argument, NULL, 'b' }, { "start", required_argument, NULL, 's' }, { "end", required_argument, NULL, 'e' }, - { "addresses", required_argument, NULL, 'x' }, + { "addresses", required_argument, NULL, 'y' }, { "timeout", required_argument, NULL, 't' }, { "filter", required_argument, NULL, 'f' }, + { "addr", required_argument, NULL, 'v' }, + { "mask", required_argument, NULL, 'v' }, { "server", required_argument, NULL, 'v' }, + { "subnet", required_argument, NULL, 'n' }, + { "string", required_argument, NULL, 'g' }, + { "hex", required_argument, NULL, 'x' }, + { "hexout", no_argument, NULL, '5' }, + { "pool", required_argument, NULL, '6' }, + { "identity", required_argument, NULL, '7' }, { 0,0,0,0 } }; @@ -1196,6 +1002,8 @@ static void do_args(int argc, char *argv[]) case 'w': operation = OP_STATUS; break; + case '1': + operation = OP_STATUS_ATTR; case 'u': utc = TRUE; continue; @@ -1207,15 +1015,27 @@ static void do_args(int argc, char *argv[]) operation = is_attribute(name) ? OP_ADD_ATTR : OP_ADD; if (replace_pool && operation == OP_ADD_ATTR) { - fprintf(stderr, "invalid pool name: '%s'.\n", optarg); + fprintf(stderr, "invalid pool name: " + "reserved for '%s' attribute.\n", optarg); usage(); exit(EXIT_FAILURE); } continue; + case '2': + name = optarg; + operation = OP_ADD_ATTR; + continue; case 'd': name = optarg; operation = is_attribute(name) ? OP_DEL_ATTR : OP_DEL; continue; + case '3': + name = optarg; + operation = OP_DEL_ATTR; + continue; + case '4': + operation = OP_SHOW_ATTR; + continue; case 'r': name = optarg; operation = OP_RESIZE; @@ -1268,18 +1088,33 @@ static void do_args(int argc, char *argv[]) case 'f': filter = optarg; continue; - case 'x': + case 'y': addresses = optarg; continue; + case 'g': + value_type = VALUE_STRING; + value = optarg; + continue; + case 'n': + value_type = VALUE_SUBNET; + value = optarg; + continue; case 'v': - DESTROY_IF(server); - server = host_create_from_string(optarg, 0); - if (server == NULL) - { - fprintf(stderr, "invalid server address: '%s'.\n", optarg); - usage(); - exit(EXIT_FAILURE); - } + value_type = VALUE_ADDR; + value = optarg; + continue; + case 'x': + value_type = VALUE_HEX; + value = optarg; + continue; + case '5': + hexout = TRUE; + continue; + case '6': + pool = optarg; + continue; + case '7': + identity = optarg; continue; default: usage(); @@ -1297,6 +1132,9 @@ static void do_args(int argc, char *argv[]) case OP_STATUS: status(); break; + case OP_STATUS_ATTR: + status_attr(hexout); + break; case OP_ADD: if (addresses != NULL) { @@ -1314,19 +1152,34 @@ static void do_args(int argc, char *argv[]) } break; case OP_ADD_ATTR: - if (server == NULL) + if (value_type == VALUE_NONE) { fprintf(stderr, "missing arguments.\n"); usage(); exit(EXIT_FAILURE); } - add_attr(name, server); + if (identity && !pool) + { + fprintf(stderr, "--identity option can't be used without --pool.\n"); + usage(); + exit(EXIT_FAILURE); + } + add_attr(name, pool, identity, value, value_type); break; case OP_DEL: del(name); break; case OP_DEL_ATTR: - del_attr(name, server); + if (identity && !pool) + { + fprintf(stderr, "--identity option can't be used without --pool.\n"); + usage(); + exit(EXIT_FAILURE); + } + del_attr(name, pool, identity, value, value_type); + break; + case OP_SHOW_ATTR: + show_attr(); break; case OP_RESIZE: if (end == NULL) diff --git a/src/libhydra/plugins/attr_sql/pool_attributes.c b/src/libhydra/plugins/attr_sql/pool_attributes.c new file mode 100644 index 000000000..5f7afdfcd --- /dev/null +++ b/src/libhydra/plugins/attr_sql/pool_attributes.c @@ -0,0 +1,715 @@ +/* + * Copyright (C) 2009-2010 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. + */ + +#define _GNU_SOURCE +#include <string.h> + +#include <library.h> +#include <utils/host.h> + +#include "pool_attributes.h" +#include "pool_usage.h" + +/** + * global database handle + */ +extern database_t *db; + +#define UNITY_NETWORK_LEN 14 + +ENUM(value_type_names, VALUE_HEX, VALUE_SUBNET, + "hex", + "string", + "addr", + "subnet" +); + +typedef struct attr_info_t attr_info_t; + +struct attr_info_t { + char* keyword; + value_type_t value_type; + configuration_attribute_type_t type; + configuration_attribute_type_t type_ip6; +}; + +static const attr_info_t attr_info[] = { + { "internal_ip4_netmask", VALUE_ADDR, INTERNAL_IP4_NETMASK, 0 }, + { "internal_ip6_netmask", VALUE_ADDR, INTERNAL_IP6_NETMASK, 0 }, + { "netmask", VALUE_ADDR, INTERNAL_IP4_NETMASK, + INTERNAL_IP6_NETMASK }, + { "internal_ip4_dns", VALUE_ADDR, INTERNAL_IP4_DNS, 0 }, + { "internal_ip6_dns", VALUE_ADDR, INTERNAL_IP6_DNS, 0 }, + { "dns", VALUE_ADDR, INTERNAL_IP4_DNS, + INTERNAL_IP6_DNS }, + { "internal_ip4_nbns", VALUE_ADDR, INTERNAL_IP4_NBNS, 0 }, + { "internal_ip6_nbns", VALUE_ADDR, INTERNAL_IP6_NBNS, 0 }, + { "nbns", VALUE_ADDR, INTERNAL_IP4_NBNS, + INTERNAL_IP6_NBNS }, + { "wins", VALUE_ADDR, INTERNAL_IP4_NBNS, + INTERNAL_IP6_NBNS }, + { "internal_ip4_dhcp", VALUE_ADDR, INTERNAL_IP4_DHCP, 0 }, + { "internal_ip6_dhcp", VALUE_ADDR, INTERNAL_IP6_DHCP, 0 }, + { "dhcp", VALUE_ADDR, INTERNAL_IP4_DHCP, + INTERNAL_IP6_DHCP }, + { "internal_ip4_server", VALUE_ADDR, INTERNAL_IP4_SERVER, 0 }, + { "internal_ip6_server", VALUE_ADDR, INTERNAL_IP6_SERVER, 0 }, + { "server", VALUE_ADDR, INTERNAL_IP4_SERVER, + INTERNAL_IP6_SERVER }, + { "application_version", VALUE_STRING, APPLICATION_VERSION, 0 }, + { "version", VALUE_STRING, APPLICATION_VERSION, 0 }, + { "unity_banner", VALUE_STRING, UNITY_BANNER, 0 }, + { "banner", VALUE_STRING, UNITY_BANNER, 0 }, + { "unity_def_domain", VALUE_STRING, UNITY_DEF_DOMAIN, 0 }, + { "unity_splitdns_name", VALUE_STRING, UNITY_SPLITDNS_NAME, 0 }, + { "unity_split_include", VALUE_SUBNET, UNITY_SPLIT_INCLUDE, 0 }, + { "unity_local_lan", VALUE_SUBNET, UNITY_LOCAL_LAN, 0 }, +}; + +/** + * Determine the type of the attribute and its value + */ +static bool parse_attributes(char *name, char *value, value_type_t *value_type, + configuration_attribute_type_t *type, + configuration_attribute_type_t *type_ip6, + chunk_t *blob) +{ + host_t *addr = NULL, *mask = NULL; + chunk_t addr_chunk, mask_chunk, blob_next; + char *text = "", *pos_addr, *pos_mask, *pos_next, *endptr; + int i; + + switch (*value_type) + { + case VALUE_STRING: + *blob = chunk_create(value, strlen(value)); + *blob = chunk_clone(*blob); + break; + case VALUE_HEX: + *blob = chunk_from_hex(chunk_create(value, strlen(value)), NULL); + break; + case VALUE_ADDR: + addr = host_create_from_string(value, 0); + if (addr == NULL) + { + fprintf(stderr, "invalid IP address: '%s'.\n", value); + return FALSE; + } + addr_chunk = addr->get_address(addr); + *blob = chunk_clone(addr_chunk); + break; + case VALUE_SUBNET: + *blob = chunk_empty; + pos_next = value; + + do + { + pos_addr = pos_next; + pos_next = strchr(pos_next, ','); + if (pos_next) + { + *pos_next = '\0'; + pos_next += 1; + } + pos_mask = strchr(pos_addr, '/'); + if (pos_mask == NULL) + { + fprintf(stderr, "invalid IPv4 subnet: '%s'.\n", pos_addr); + free(blob->ptr); + return FALSE; + } + *pos_mask = '\0'; + pos_mask += 1; + addr = host_create_from_string(pos_addr, 0); + mask = host_create_from_string(pos_mask, 0); + if (addr == NULL || addr->get_family(addr) != AF_INET || + mask == NULL || mask->get_family(addr) != AF_INET) + { + fprintf(stderr, "invalid IPv4 subnet: '%s/%s'.\n", + pos_addr, pos_mask); + DESTROY_IF(addr); + DESTROY_IF(mask); + free(blob->ptr); + return FALSE; + } + addr_chunk = addr->get_address(addr); + mask_chunk = mask->get_address(mask); + blob_next = chunk_alloc(blob->len + UNITY_NETWORK_LEN); + memcpy(blob_next.ptr, blob->ptr, blob->len); + pos_addr = blob_next.ptr + blob->len; + memset(pos_addr, 0x00, UNITY_NETWORK_LEN); + memcpy(pos_addr, addr_chunk.ptr, 4); + memcpy(pos_addr + 4, mask_chunk.ptr, 4); + addr->destroy(addr); + mask->destroy(mask); + chunk_free(blob); + *blob = blob_next; + } + while (pos_next); + break; + case VALUE_NONE: + *blob = chunk_empty; + break; + } + + /* init the attribute type */ + *type = 0; + *type_ip6 = 0; + + for (i = 0; i < countof(attr_info); i++) + { + if (strcaseeq(name, attr_info[i].keyword)) + { + *type = attr_info[i].type; + *type_ip6 = attr_info[i].type_ip6; + + if (*value_type == VALUE_NONE) + { + *value_type = attr_info[i].value_type; + return TRUE; + } + + if (*value_type != attr_info[i].value_type && + *value_type != VALUE_HEX) + { + switch (attr_info[i].value_type) + { + case VALUE_STRING: + text = "a string"; + break; + case VALUE_HEX: + text = "a hex"; + break; + case VALUE_ADDR: + text = "an IP address"; + break; + case VALUE_SUBNET: + text = "a subnet"; + break; + case VALUE_NONE: + text = "no"; + break; + } + fprintf(stderr, "the %s attribute requires %s value.\n", + name, text); + DESTROY_IF(addr); + free(blob->ptr); + return FALSE; + } + + if (*value_type == VALUE_ADDR) + { + *type = (addr->get_family(addr) == AF_INET) ? + attr_info[i].type : attr_info[i].type_ip6; + addr->destroy(addr); + } + else if (*value_type == VALUE_HEX) + { + *value_type = attr_info[i].value_type; + + if (*value_type == VALUE_ADDR) + { + if (blob->len == 16) + { + *type = attr_info[i].type_ip6; + } + else if (blob->len != 4) + { + fprintf(stderr, "the %s attribute requires " + "a valid IP address.\n", name); + free(blob->ptr); + return FALSE; + } + } + } + return TRUE; + } + } + + /* clean up */ + DESTROY_IF(addr); + + /* is the attribute type numeric? */ + *type = strtol(name, &endptr, 10); + + if (*endptr != '\0') + { + fprintf(stderr, "the %s attribute is not recognized.\n", name); + free(blob->ptr); + return FALSE; + } + if (*type < 1 || *type > 32767) + { + fprintf(stderr, "the attribute type must lie in the range 1..32767.\n"); + free(blob->ptr); + return FALSE; + } + if (*value_type == VALUE_NONE) + { + *value_type = VALUE_HEX; + } + return TRUE; +} + +/** + * Lookup/insert an attribute pool by name + */ +static u_int get_attr_pool(char *name) +{ + enumerator_t *e; + u_int row = 0; + + /* look for an existing attribute pool in the table */ + e = db->query(db, "SELECT id FROM attribute_pools WHERE name = ?", + DB_TEXT, name, DB_UINT); + if (e && e->enumerate(e, &row)) + { + e->destroy(e); + return row; + } + DESTROY_IF(e); + /* not found, insert new one */ + if (db->execute(db, &row, "INSERT INTO attribute_pools (name) VALUES (?)", + DB_TEXT, name) != 1) + { + fprintf(stderr, "creating attribute pool '%s' failed.\n", name); + return 0; + } + return row; +} + +/** + * Lookup/insert an identity + */ +u_int get_identity(identification_t *id) +{ + enumerator_t *e; + u_int row; + + /* look for peer identity in the identities table */ + e = db->query(db, "SELECT id FROM identities WHERE type = ? AND data = ?", + DB_INT, id->get_type(id), DB_BLOB, id->get_encoding(id), DB_UINT); + if (e && e->enumerate(e, &row)) + { + e->destroy(e); + return row; + } + DESTROY_IF(e); + /* not found, insert new one */ + if (db->execute(db, &row, "INSERT INTO identities (type,data) VALUES (?,?)", + DB_INT, id->get_type(id), DB_BLOB, id->get_encoding(id)) != 1) + { + fprintf(stderr, "creating id '%Y' failed.\n", id); + return 0; + } + return row; +} + +/** + * ipsec pool --addattr <type> - add attribute entry + */ +void add_attr(char *name, char *pool, char *identity, + char *value, value_type_t value_type) +{ + configuration_attribute_type_t type, type_ip6; + u_int pool_id = 0, identity_id = 0; + char id_pool_str[128] = ""; + chunk_t blob; + bool success; + + if (pool) + { + pool_id = get_attr_pool(pool); + if (pool_id == 0) + { + exit(EXIT_FAILURE); + } + + if (identity) + { + identification_t *id; + + id = identification_create_from_string(identity); + identity_id = get_identity(id); + id->destroy(id); + if (identity_id == 0) + { + exit(EXIT_FAILURE); + } + snprintf(id_pool_str, sizeof(id_pool_str), + " for '%s' in pool '%s'", identity, pool); + } + else + { + snprintf(id_pool_str, sizeof(id_pool_str), " in pool '%s'", pool); + } + } + + if (value_type == VALUE_NONE) + { + fprintf(stderr, "the value of the %s attribute is missing.\n", name); + usage(); + } + if (!parse_attributes(name, value, &value_type, &type, &type_ip6, &blob)) + { + exit(EXIT_FAILURE); + } + + success = db->execute(db, NULL, + "INSERT INTO attributes (identity, pool, type, value) " + "VALUES (?, ?, ?, ?)", DB_UINT, identity_id, DB_UINT, pool_id, + DB_INT, type, DB_BLOB, blob) == 1; + free(blob.ptr); + + if (success) + { + printf("added %s attribute (%N)%s.\n", name, + configuration_attribute_type_names, type, id_pool_str); + } + else + { + fprintf(stderr, "adding %s attribute (%N)%s failed.\n", name, + configuration_attribute_type_names, type, id_pool_str); + } +} + +/** + * ipsec pool --delattr <type> - delete attribute entry + */ +void del_attr(char *name, char *pool, char *identity, + char *value, value_type_t value_type) +{ + configuration_attribute_type_t type, type_ip6, type_db; + u_int pool_id = 0, identity_id = 0; + char id_pool_str[128] = ""; + chunk_t blob, blob_db; + u_int id; + enumerator_t *query; + bool found = FALSE; + + if (pool) + { + pool_id = get_attr_pool(pool); + if (pool_id == 0) + { + exit(EXIT_FAILURE); + } + + if (identity) + { + identification_t *id; + + id = identification_create_from_string(identity); + identity_id = get_identity(id); + id->destroy(id); + if (identity_id == 0) + { + exit(EXIT_FAILURE); + } + snprintf(id_pool_str, sizeof(id_pool_str), + " for '%s' in pool '%s'", identity, pool); + } + else + { + snprintf(id_pool_str, sizeof(id_pool_str), " in pool '%s'", pool); + } + } + + if (!parse_attributes(name, value, &value_type, &type, &type_ip6, &blob)) + { + exit(EXIT_FAILURE); + } + + if (blob.len > 0) + { + query = db->query(db, + "SELECT id, type, value FROM attributes " + "WHERE identity = ? AND pool = ? AND type = ? AND value = ?", + DB_UINT, identity_id, DB_UINT, pool_id, DB_INT, type, + DB_BLOB, blob, DB_UINT, DB_INT, DB_BLOB); + } + else if (type_ip6 == 0) + { + query = db->query(db, + "SELECT id, type, value FROM attributes " + "WHERE identity = ? AND pool = ? AND type = ?", + DB_UINT, identity_id, DB_UINT, pool_id, DB_INT, type, + DB_UINT, DB_INT, DB_BLOB); + } + else + { + query = db->query(db, + "SELECT id, type, value FROM attributes " + "WHERE identity = ? AND pool = ? AND (type = ? OR type = ?)", + DB_UINT, identity_id, DB_UINT, pool_id, DB_INT, type, + DB_INT, type_ip6, DB_UINT, DB_INT, DB_BLOB); + } + + if (!query) + { + fprintf(stderr, "deleting '%s' attribute (%N)%s failed.\n", + name, configuration_attribute_type_names, type, id_pool_str); + free(blob.ptr); + exit(EXIT_FAILURE); + } + + while (query->enumerate(query, &id, &type_db, &blob_db)) + { + host_t *server = NULL; + + found = TRUE; + + if (value_type == VALUE_ADDR) + { + int family = (type_db == type_ip6) ? AF_INET6 : AF_INET; + + server = host_create_from_chunk(family, blob_db, 0); + } + + if (db->execute(db, NULL, + "DELETE FROM attributes WHERE id = ?", + DB_UINT, id) != 1) + { + if (server) + { + fprintf(stderr, "deleting %s server %H%s failed\n", + name, server, id_pool_str); + server->destroy(server); + } + else if (value_type == VALUE_STRING) + { + fprintf(stderr, "deleting %s attribute (%N) with value '%.*s'%s failed.\n", + name, configuration_attribute_type_names, type, + blob_db.len, blob_db.ptr, id_pool_str); + } + + else + { + fprintf(stderr, "deleting %s attribute (%N) with value %#B%s failed.\n", + name, configuration_attribute_type_names, type, + &blob_db, id_pool_str); + } + query->destroy(query); + free(blob.ptr); + exit(EXIT_FAILURE); + } + if (server) + { + printf("deleted %s server %H%s\n", name, server, id_pool_str); + server->destroy(server); + } + else if (value_type == VALUE_STRING) + { + printf("deleted %s attribute (%N) with value '%.*s'%s.\n", + name, configuration_attribute_type_names, type, + blob_db.len, blob_db.ptr, id_pool_str); + } + else + { + printf("deleted %s attribute (%N) with value %#B%s.\n", + name, configuration_attribute_type_names, type, + &blob_db, id_pool_str); + } + } + query->destroy(query); + + if (!found) + { + if (blob.len == 0) + { + if (type_ip6 == 0) + { + fprintf(stderr, "no %s attribute (%N) was found%s.\n", name, + configuration_attribute_type_names, type, id_pool_str); + } + else + { + fprintf(stderr, "no %s attribute%s was found.\n", + name, id_pool_str); + } + } + else + { + if (value_type == VALUE_ADDR) + { + host_t *server = host_create_from_chunk(AF_UNSPEC, blob, 0); + + fprintf(stderr, "the %s server %H%s was not found.\n", name, + server, id_pool_str); + server->destroy(server); + } + else + { + fprintf(stderr, "the %s attribute (%N) with value '%.*s'%s " + "was not found.\n", name, + configuration_attribute_type_names, type, + blob.len, blob.ptr, id_pool_str); + } + } + } + free(blob.ptr); +} + +/** + * ipsec pool --statusattr - show all attribute entries + */ +void status_attr(bool hexout) +{ + configuration_attribute_type_t type; + value_type_t value_type; + chunk_t value, addr_chunk, mask_chunk, identity_chunk; + identification_t *identity; + enumerator_t *enumerator; + host_t *addr, *mask; + char type_name[30]; + bool first = TRUE; + int i, identity_type; + char *pool_name; + + /* enumerate over all attributes */ + enumerator = db->query(db, + "SELECT attributes.type, attribute_pools.name, " + "identities.type, identities.data, attributes.value " + "FROM attributes " + "LEFT OUTER JOIN identities " + "ON attributes.identity = identities.id " + "LEFT OUTER JOIN attribute_pools " + "ON attributes.pool = attribute_pools.id " + "ORDER BY attributes.type, attribute_pools.name, " + "identities.type, identities.data, attributes.value", + DB_INT, DB_TEXT, DB_INT, DB_BLOB, DB_BLOB); + if (enumerator) + { + while (enumerator->enumerate(enumerator, &type,&pool_name, + &identity_type, &identity_chunk, &value)) + { + if (first) + { + printf(" type description pool " + " identity value\n"); + first = FALSE; + } + snprintf(type_name, sizeof(type_name), "%N", + configuration_attribute_type_names, type); + if (type_name[0] == '(') + { + type_name[0] = '\0'; + } + printf("%5d %-20s ",type, type_name); + + printf(" %-10s ", (pool_name ? pool_name : "")); + + if (identity_type) + { + identity = identification_create_from_encoding(identity_type, identity_chunk); + printf(" %-20.20Y ", identity); + identity->destroy(identity); + } + else + { + printf(" "); + } + + value_type = VALUE_HEX; + if (!hexout) + { + for (i = 0; i < countof(attr_info); i++) + { + if (type == attr_info[i].type) + { + value_type = attr_info[i].value_type; + break; + } + } + } + switch (value_type) + { + case VALUE_ADDR: + addr = host_create_from_chunk(AF_UNSPEC, value, 0); + if (addr) + { + printf(" %H\n", addr); + addr->destroy(addr); + } + else + { + /* value cannot be represented as an IP address */ + printf(" %#B\n", &value); + } + break; + case VALUE_SUBNET: + if (value.len % UNITY_NETWORK_LEN == 0) + { + for (i = 0; i < value.len / UNITY_NETWORK_LEN; i++) + { + addr_chunk = chunk_create(value.ptr + i*UNITY_NETWORK_LEN, 4); + addr = host_create_from_chunk(AF_INET, addr_chunk, 0); + mask_chunk = chunk_create(addr_chunk.ptr + 4, 4); + mask = host_create_from_chunk(AF_INET, mask_chunk, 0); + printf("%s%H/%H", (i > 0) ? "," : " ", addr, mask); + addr->destroy(addr); + mask->destroy(mask); + } + printf("\n"); + } + else + { + /* value cannot be represented as a list of subnets */ + printf(" %#B\n", &value); + } + break; + case VALUE_STRING: + printf("\"%.*s\"\n", value.len, value.ptr); + break; + case VALUE_HEX: + default: + printf(" %#B\n", &value); + } + } + enumerator->destroy(enumerator); + } +} + +/** + * ipsec pool --showattr - show all supported attribute keywords + */ +void show_attr(void) +{ + int i; + + for (i = 0; i < countof(attr_info); i++) + { + char value_name[10]; + + + snprintf(value_name, sizeof(value_name), "%N", + value_type_names, attr_info[i].value_type); + + printf("%-20s --%-6s (%N", + attr_info[i].keyword, value_name, + configuration_attribute_type_names, attr_info[i].type); + + if (attr_info[i].type_ip6) + { + printf(", %N)\n", + configuration_attribute_type_names, attr_info[i].type_ip6); + } + else + { + printf(")\n"); + } + } +} + diff --git a/src/libhydra/plugins/attr_sql/pool_attributes.h b/src/libhydra/plugins/attr_sql/pool_attributes.h new file mode 100644 index 000000000..a42291f57 --- /dev/null +++ b/src/libhydra/plugins/attr_sql/pool_attributes.h @@ -0,0 +1,65 @@ +/* + * Copyright (C) 2009-2010 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. + */ + +#ifndef POOL_ATTRIBUTES_H_ +#define POOL_ATTRIBUTES_H_ + +#include <attributes/attributes.h> + +typedef enum value_type_t value_type_t; + +enum value_type_t { + VALUE_NONE, + VALUE_HEX, + VALUE_STRING, + VALUE_ADDR, + VALUE_SUBNET +}; + +/** + * enum names for value_type_t. + */ +extern enum_name_t *value_type_names; + +/** + * lookup/insert an identity + */ +u_int get_identity(identification_t *id); + +/** + * ipsec pool --addattr <type> - add attribute entry + */ +void add_attr(char *name, char *pool, char *identity, + char *value, value_type_t value_type); + +/** + * ipsec pool --delattr <type> - delete attribute entry + */ +void del_attr(char *name, char *pool, char *identity, + char *value, value_type_t value_type); + +/** + * ipsec pool --statusattr - show all attribute entries + */ +void status_attr(bool hexout); + +/** + * ipsec pool --showattr - show all supported attribute keywords + */ +void show_attr(void); + +#endif /* POOL_ATTRIBUTES_H_ */ + + diff --git a/src/libhydra/plugins/attr_sql/pool_usage.c b/src/libhydra/plugins/attr_sql/pool_usage.c new file mode 100644 index 000000000..985bc3ae8 --- /dev/null +++ b/src/libhydra/plugins/attr_sql/pool_usage.c @@ -0,0 +1,127 @@ +/* + * Copyright (C) 2008 Martin Willi + * Copyright (C) 2009-2010 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. + */ + +#include <stdio.h> + +/** + * print pool usage info + */ +void usage(void) +{ + printf("\ +Usage:\n\ + ipsec pool --status|--add|--replace|--del|--resize|--leases|--purge [options]\n\ + ipsec pool --showattr|--statusattr|--addattr|--delattr [options]\n\ + \n\ + ipsec pool --status\n\ + Show a list of installed pools with statistics plus nameserver info.\n\ + \n\ + ipsec pool --statusattr [--hexout]\n\ + Show a list of all attributes stored in the database with the values\n\ + converted to the correct format if the type is known by --showattr or\n\ + in hex format otherwise.\n\ + hexout: Output all values in hex format\n\ + \n\ + ipsec pool --showattr\n\ + Show a keyword list of the major attribute types.\n\ + \n\ + ipsec pool --add <name> --start <start> --end <end> [--timeout <timeout>]\n\ + ipsec pool --replace <name> --start <start> --end <end> [--timeout <timeout>]\n\ + Add a new pool to or replace an existing pool in the database.\n\ + name: Name of the pool, as used in ipsec.conf rightsourceip=%%name\n\ + start: Start address of the pool\n\ + end: End address of the pool\n\ + timeout: Lease time in hours, 0 for static leases\n\ + \n\ + ipsec pool --add <name> --addresses <file> [--timeout <timeout>]\n\ + ipsec pool --replace <name> --addresses <file> [--timeout <timeout>]\n\ + Add a new pool to or replace an existing pool in the database.\n\ + name: Name of the pool, as used in ipsec.conf rightsourceip=%%name\n\ + file: File newline separated addresses for the pool are read from.\n\ + Optionally each address can be pre-assigned to a roadwarrior\n\ + identity, e.g. 10.231.14.2=alice@strongswan.org.\n\ + If a - (hyphen) is given instead of a file name, the addresses\n\ + are read from STDIN. Reading addresses stops at the end of file\n\ + or an empty line. Pools created with this command can not be\n\ + resized.\n\ + timeout: Lease time in hours, 0 for static leases\n\ + \n\ + ipsec pool --addattr <type> [--pool <name> [--identity <id>]]\n\ + --addr|--mask|--server|--subnet|--string|--hex <value>\n\ + Add a new attribute to the database. Attributes can be bundled by using\n\ + the --pool and --identity options. If a bundle matches a peer the contained\n\ + attributes are sent to that peer instead of the global ones.\n\ + type: a keyword from --showattr or a number from the range 1..32767\n\ + name: the name of the pool this attribute is added to\n\ + id: identity of the peer this attribute is bound to\n\ + addr: IPv4 or IPv6 address\n\ + mask: IPv4 or IPv6 netmask (synonym for --addr)\n\ + server: IPv4 or IPv6 address of a server (synonym for --addr)\n\ + subnet: IPv4 subnet[s] given by network/mask[,network/mask,...]\n\ + string: value of a string-type attribute\n\ + hex: hex value of any attribute\n\ + \n\ + ipsec pool --del <name>\n\ + Delete a pool from the database.\n\ + name: Name of the pool to delete\n\ + \n\ + ipsec pool --delattr <type> [--pool <name> [--identity <id>]]\n\ + [--addr|--mask|--server|--subnet|--string|--hex <value>]\n\ + Delete a specific or all attributes of a given type from the database.\n\ + type: a keyword from --showattr or a number from the range 1..32767\n\ + name: the name of the pool this attribute is added to\n\ + id: identity of the peer this attribute is bound to\n\ + addr: IPv4 or IPv6 address\n\ + mask: IPv4 or IPv6 netmask (synonym for --addr)\n\ + server: IPv4 or IPv6 address of a server (synonym for --addr)\n\ + subnet: IPv4 subnet[s] given by network/mask[,network/mask,...]\n\ + string: value of a string-type attribute\n\ + hex: hex value of any attribute\n\ + \n\ + ipsec pool --resize <name> --end <end>\n\ + Grow or shrink an existing pool.\n\ + name: Name of the pool to resize\n\ + end: New end address for the pool\n\ + \n\ + ipsec pool --leases [--filter <filter>] [--utc]\n\ + Show lease information using filters:\n\ + filter: Filter string containing comma separated key=value filters,\n\ + e.g. id=alice@strongswan.org,addr=1.1.1.1\n\ + pool: name of the pool\n\ + id: assigned identity of the lease\n\ + addr: lease IP address\n\ + tstamp: UNIX timestamp when lease was valid, as integer\n\ + status: status of the lease: online|valid|expired\n\ + utc: Show times in UTC instead of local time\n\ + \n\ + ipsec pool --purge <name>\n\ + Delete lease history of a pool:\n\ + name: Name of the pool to purge\n\ + \n\ + ipsec pool --batch <file>\n\ + Read commands from a file and execute them atomically.\n\ + file: File to read the newline separated commands from. Commands\n\ + appear as they are written on the command line, e.g.\n\ + --replace mypool --start 10.0.0.1 --end 10.0.0.254\n\ + --del dns\n\ + --add dns --server 10.1.0.1\n\ + --add dns --server 10.1.1.1\n\ + If a - (hyphen) is given as a file name, the commands are read\n\ + from STDIN. Readin commands stops at the end of file. Empty\n\ + lines are ignored. The file may not contain a --batch command.\n\ + \n"); +} + diff --git a/src/libhydra/plugins/attr_sql/pool_usage.h b/src/libhydra/plugins/attr_sql/pool_usage.h new file mode 100644 index 000000000..a98b0d680 --- /dev/null +++ b/src/libhydra/plugins/attr_sql/pool_usage.h @@ -0,0 +1,26 @@ +/* + * Copyright (C) 2008 Martin Willi + * Copyright (C) 2009-2010 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. + */ + +#ifndef POOL_USAGE_H_ +#define POOL_USAGE_H_ + +/** + * print pool usage info + */ +void usage(void); + + +#endif /* POOL_USAGE_H_ */ diff --git a/src/libhydra/plugins/attr_sql/sql_attribute.c b/src/libhydra/plugins/attr_sql/sql_attribute.c index a7cfde649..7f7bb190c 100644 --- a/src/libhydra/plugins/attr_sql/sql_attribute.c +++ b/src/libhydra/plugins/attr_sql/sql_attribute.c @@ -74,6 +74,26 @@ static u_int get_identity(private_sql_attribute_t *this, identification_t *id) } /** + * Lookup an attribute pool by name + */ +static u_int get_attr_pool(private_sql_attribute_t *this, char *name) +{ + enumerator_t *e; + u_int row = 0; + + e = this->db->query(this->db, + "SELECT id FROM attribute_pools WHERE name = ?", + DB_TEXT, name, DB_UINT); + if (e) + { + e->enumerate(e, &row); + } + DESTROY_IF(e); + + return row; +} + +/** * Lookup pool by name */ static u_int get_pool(private_sql_attribute_t *this, char *name, u_int *timeout) @@ -327,20 +347,101 @@ static bool release_address(private_sql_attribute_t *this, * Implementation of sql_attribute_t.create_attribute_enumerator */ static enumerator_t* create_attribute_enumerator(private_sql_attribute_t *this, - identification_t *id, host_t *vip) + char *names, identification_t *id, host_t *vip) { + enumerator_t *attr_enumerator = NULL; + if (vip) { - enumerator_t *enumerator; + enumerator_t *names_enumerator; + u_int count; + char *name; - enumerator = this->db->query(this->db, - "SELECT type, value FROM attributes", DB_INT, DB_BLOB); - if (enumerator) + this->db->execute(this->db, NULL, "BEGIN EXCLUSIVE TRANSACTION"); + + /* in a first step check for attributes that match name and id */ + if (id) { - return enumerator; + u_int identity = get_identity(this, id); + + names_enumerator = enumerator_create_token(names, ",", " "); + while (names_enumerator->enumerate(names_enumerator, &name)) + { + u_int attr_pool = get_attr_pool(this, name); + if (!attr_pool) + { + continue; + } + + attr_enumerator = this->db->query(this->db, + "SELECT count(*) FROM attributes " + "WHERE pool = ? AND identity = ?", + DB_UINT, attr_pool, DB_UINT, identity, DB_UINT); + + if (attr_enumerator && + attr_enumerator->enumerate(attr_enumerator, &count) && + count != 0) + { + attr_enumerator->destroy(attr_enumerator); + attr_enumerator = this->db->query(this->db, + "SELECT type, value FROM attributes " + "WHERE pool = ? AND identity = ?", DB_UINT, + attr_pool, DB_UINT, identity, DB_INT, DB_BLOB); + break; + } + DESTROY_IF(attr_enumerator); + attr_enumerator = NULL; + } + names_enumerator->destroy(names_enumerator); + } + + /* in a second step check for attributes that match name */ + if (!attr_enumerator) + { + names_enumerator = enumerator_create_token(names, ",", " "); + while (names_enumerator->enumerate(names_enumerator, &name)) + { + u_int attr_pool = get_attr_pool(this, name); + if (!attr_pool) + { + continue; + } + + attr_enumerator = this->db->query(this->db, + "SELECT count(*) FROM attributes " + "WHERE pool = ? AND identity = 0", + DB_UINT, attr_pool, DB_UINT); + + if (attr_enumerator && + attr_enumerator->enumerate(attr_enumerator, &count) && + count != 0) + { + attr_enumerator->destroy(attr_enumerator); + attr_enumerator = this->db->query(this->db, + "SELECT type, value FROM attributes " + "WHERE pool = ? AND identity = 0", + DB_UINT, attr_pool, DB_INT, DB_BLOB); + break; + } + DESTROY_IF(attr_enumerator); + attr_enumerator = NULL; + } + names_enumerator->destroy(names_enumerator); + } + + this->db->execute(this->db, NULL, "END TRANSACTION"); + + /* lastly try to find global attributes */ + if (!attr_enumerator) + { + attr_enumerator = this->db->query(this->db, + "SELECT type, value FROM attributes " + "WHERE pool = 0 AND identity = 0", + DB_INT, DB_BLOB); } } - return enumerator_create_empty(); + + return (attr_enumerator ? attr_enumerator : enumerator_create_empty()); } /** @@ -361,7 +462,7 @@ sql_attribute_t *sql_attribute_create(database_t *db) this->public.provider.acquire_address = (host_t*(*)(attribute_provider_t *this, char*, identification_t *, host_t *))acquire_address; this->public.provider.release_address = (bool(*)(attribute_provider_t *this, char*,host_t *, identification_t*))release_address; - this->public.provider.create_attribute_enumerator = (enumerator_t*(*)(attribute_provider_t*, identification_t *id, host_t *host))create_attribute_enumerator; + this->public.provider.create_attribute_enumerator = (enumerator_t*(*)(attribute_provider_t*, char *names, identification_t *id, host_t *host))create_attribute_enumerator; this->public.destroy = (void(*)(sql_attribute_t*))destroy; this->db = db; diff --git a/src/libhydra/plugins/resolve/Makefile.am b/src/libhydra/plugins/resolve/Makefile.am new file mode 100644 index 000000000..f8830d42e --- /dev/null +++ b/src/libhydra/plugins/resolve/Makefile.am @@ -0,0 +1,18 @@ + +INCLUDES = -I$(top_srcdir)/src/libstrongswan -I$(top_srcdir)/src/libhydra \ + -I$(top_srcdir)/src/libcharon + +AM_CFLAGS = -rdynamic \ + -DRESOLV_CONF=\"${resolv_conf}\" + +if MONOLITHIC +noinst_LTLIBRARIES = libstrongswan-resolve.la +else +plugin_LTLIBRARIES = libstrongswan-resolve.la +endif + +libstrongswan_resolve_la_SOURCES = \ + resolve_plugin.h resolve_plugin.c \ + resolve_handler.h resolve_handler.c + +libstrongswan_resolve_la_LDFLAGS = -module -avoid-version diff --git a/src/libhydra/plugins/resolve/Makefile.in b/src/libhydra/plugins/resolve/Makefile.in new file mode 100644 index 000000000..e16c66923 --- /dev/null +++ b/src/libhydra/plugins/resolve/Makefile.in @@ -0,0 +1,591 @@ +# Makefile.in generated by automake 1.11.1 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 = 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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/libhydra/plugins/resolve/resolve_handler.c b/src/libhydra/plugins/resolve/resolve_handler.c new file mode 100644 index 000000000..cdc639038 --- /dev/null +++ b/src/libhydra/plugins/resolve/resolve_handler.c @@ -0,0 +1,252 @@ +/* + * Copyright (C) 2009 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. + */ + +#include "resolve_handler.h" + +#include <unistd.h> + +#include <hydra.h> +#include <debug.h> +#include <threading/mutex.h> + +typedef struct private_resolve_handler_t private_resolve_handler_t; + +/** + * Private data of an resolve_handler_t object. + */ +struct private_resolve_handler_t { + + /** + * Public resolve_handler_t interface. + */ + resolve_handler_t public; + + /** + * resolv.conf file to use + */ + char *file; + + /** + * Mutex to access file exclusively + */ + mutex_t *mutex; +}; + +/** + * Implementation of attribute_handler_t.handle + */ +static bool handle(private_resolve_handler_t *this, identification_t *server, + configuration_attribute_type_t type, chunk_t data) +{ + FILE *in, *out; + char buf[1024]; + host_t *addr; + size_t len; + bool handled = FALSE; + + switch (type) + { + case INTERNAL_IP4_DNS: + addr = host_create_from_chunk(AF_INET, data, 0); + break; + case INTERNAL_IP6_DNS: + addr = host_create_from_chunk(AF_INET6, data, 0); + break; + default: + return FALSE; + } + + if (!addr || addr->is_anyaddr(addr)) + { + DESTROY_IF(addr); + return FALSE; + } + this->mutex->lock(this->mutex); + + in = fopen(this->file, "r"); + /* allows us to stream from in to out */ + unlink(this->file); + out = fopen(this->file, "w"); + if (out) + { + fprintf(out, "nameserver %H # by strongSwan, from %Y\n", addr, server); + DBG1(DBG_IKE, "installing DNS server %H to %s", addr, this->file); + handled = TRUE; + + /* copy rest of the file */ + if (in) + { + while ((len = fread(buf, 1, sizeof(buf), in))) + { + ignore_result(fwrite(buf, 1, len, out)); + } + } + fclose(out); + } + if (in) + { + fclose(in); + } + this->mutex->unlock(this->mutex); + addr->destroy(addr); + + if (!handled) + { + DBG1(DBG_IKE, "adding DNS server failed", this->file); + } + return handled; +} + +/** + * Implementation of attribute_handler_t.release + */ +static void release(private_resolve_handler_t *this, identification_t *server, + configuration_attribute_type_t type, chunk_t data) +{ + FILE *in, *out; + char line[1024], matcher[512], *pos; + host_t *addr; + int family; + + switch (type) + { + case INTERNAL_IP4_DNS: + family = AF_INET; + break; + case INTERNAL_IP6_DNS: + family = AF_INET6; + break; + default: + return; + } + + this->mutex->lock(this->mutex); + + in = fopen(this->file, "r"); + if (in) + { + /* allows us to stream from in to out */ + unlink(this->file); + out = fopen(this->file, "w"); + if (out) + { + addr = host_create_from_chunk(family, data, 0); + snprintf(matcher, sizeof(matcher), + "nameserver %H # by strongSwan, from %Y\n", + addr, server); + + /* copy all, but matching line */ + while ((pos = fgets(line, sizeof(line), in))) + { + if (strneq(line, matcher, strlen(matcher))) + { + DBG1(DBG_IKE, "removing DNS server %H from %s", + addr, this->file); + } + else + { + fputs(line, out); + } + } + addr->destroy(addr); + fclose(out); + } + fclose(in); + } + + this->mutex->unlock(this->mutex); +} + +/** + * Attribute enumerator implementation + */ +typedef struct { + /** implements enumerator_t interface */ + enumerator_t public; + /** virtual IP we are requesting */ + host_t *vip; +} attribute_enumerator_t; + +/** + * Implementation of create_attribute_enumerator().enumerate() + */ +static bool attribute_enumerate(attribute_enumerator_t *this, + configuration_attribute_type_t *type, chunk_t *data) +{ + switch (this->vip->get_family(this->vip)) + { + case AF_INET: + *type = INTERNAL_IP4_DNS; + break; + case AF_INET6: + *type = INTERNAL_IP6_DNS; + break; + default: + return FALSE; + } + *data = chunk_empty; + /* enumerate only once */ + this->public.enumerate = (void*)return_false; + return TRUE; +} + +/** + * Implementation of attribute_handler_t.create_attribute_enumerator + */ +static enumerator_t* create_attribute_enumerator(private_resolve_handler_t *this, + identification_t *server, host_t *vip) +{ + if (vip) + { + attribute_enumerator_t *enumerator; + + enumerator = malloc_thing(attribute_enumerator_t); + enumerator->public.enumerate = (void*)attribute_enumerate; + enumerator->public.destroy = (void*)free; + enumerator->vip = vip; + + return &enumerator->public; + } + return enumerator_create_empty(); +} + +/** + * Implementation of resolve_handler_t.destroy. + */ +static void destroy(private_resolve_handler_t *this) +{ + this->mutex->destroy(this->mutex); + free(this); +} + +/** + * See header + */ +resolve_handler_t *resolve_handler_create() +{ + private_resolve_handler_t *this = malloc_thing(private_resolve_handler_t); + + this->public.handler.handle = (bool(*)(attribute_handler_t*, identification_t*, configuration_attribute_type_t, chunk_t))handle; + this->public.handler.release = (void(*)(attribute_handler_t*, identification_t*, configuration_attribute_type_t, chunk_t))release; + this->public.handler.create_attribute_enumerator = (enumerator_t*(*)(attribute_handler_t*, identification_t *server, host_t *vip))create_attribute_enumerator; + this->public.destroy = (void(*)(resolve_handler_t*))destroy; + + this->mutex = mutex_create(MUTEX_TYPE_DEFAULT); + this->file = lib->settings->get_str(lib->settings, + "%s.plugins.resolve.file", RESOLV_CONF, hydra->daemon); + + return &this->public; +} + diff --git a/src/libhydra/plugins/resolve/resolve_handler.h b/src/libhydra/plugins/resolve/resolve_handler.h new file mode 100644 index 000000000..77bf9781c --- /dev/null +++ b/src/libhydra/plugins/resolve/resolve_handler.h @@ -0,0 +1,49 @@ +/* + * Copyright (C) 2009 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 resolve_handler resolve_handler + * @{ @ingroup resolve + */ + +#ifndef RESOLVE_HANDLER_H_ +#define RESOLVE_HANDLER_H_ + +#include <attributes/attribute_handler.h> + +typedef struct resolve_handler_t resolve_handler_t; + +/** + * Handle DNS configuration attributes by mangling a resolv.conf file. + */ +struct resolve_handler_t { + + /** + * Implements the attribute_handler_t interface + */ + attribute_handler_t handler; + + /** + * Destroy a resolve_handler_t. + */ + void (*destroy)(resolve_handler_t *this); +}; + +/** + * Create a resolve_handler instance. + */ +resolve_handler_t *resolve_handler_create(); + +#endif /** RESOLVE_HANDLER_H_ @}*/ diff --git a/src/libhydra/plugins/resolve/resolve_plugin.c b/src/libhydra/plugins/resolve/resolve_plugin.c new file mode 100644 index 000000000..502129593 --- /dev/null +++ b/src/libhydra/plugins/resolve/resolve_plugin.c @@ -0,0 +1,62 @@ +/* + * Copyright (C) 2009 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. + */ + +#include "resolve_plugin.h" +#include "resolve_handler.h" + +#include <hydra.h> + +typedef struct private_resolve_plugin_t private_resolve_plugin_t; + +/** + * private data of resolve plugin + */ +struct private_resolve_plugin_t { + + /** + * implements plugin interface + */ + resolve_plugin_t public; + + /** + * The registerd DNS attribute handler + */ + resolve_handler_t *handler; +}; + +/** + * Implementation of plugin_t.destroy + */ +static void destroy(private_resolve_plugin_t *this) +{ + hydra->attributes->remove_handler(hydra->attributes, &this->handler->handler); + this->handler->destroy(this->handler); + free(this); +} + +/* + * see header file + */ +plugin_t *resolve_plugin_create() +{ + private_resolve_plugin_t *this = malloc_thing(private_resolve_plugin_t); + + this->public.plugin.destroy = (void(*)(plugin_t*))destroy; + this->handler = resolve_handler_create(); + hydra->attributes->add_handler(hydra->attributes, &this->handler->handler); + + return &this->public.plugin; +} + diff --git a/src/libhydra/plugins/resolve/resolve_plugin.h b/src/libhydra/plugins/resolve/resolve_plugin.h new file mode 100644 index 000000000..0148b10d7 --- /dev/null +++ b/src/libhydra/plugins/resolve/resolve_plugin.h @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2009 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 resolve resolve + * @ingroup cplugins + * + * @defgroup resolve_plugin resolve_plugin + * @{ @ingroup resolve + */ + +#ifndef RESOLVE_PLUGIN_H_ +#define RESOLVE_PLUGIN_H_ + +#include <plugins/plugin.h> + +typedef struct resolve_plugin_t resolve_plugin_t; + +/** + * Plugin that writes received DNS servers in a resolv.conf file. + */ +struct resolve_plugin_t { + + /** + * implements plugin interface + */ + plugin_t plugin; +}; + +#endif /** RESOLVE_PLUGIN_H_ @}*/ |