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author | Rene Mayrhofer <rene@mayrhofer.eu.org> | 2010-05-25 19:01:36 +0000 |
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committer | Rene Mayrhofer <rene@mayrhofer.eu.org> | 2010-05-25 19:01:36 +0000 |
commit | 1ac70afcc1f7d6d2738a34308810719b0976d29f (patch) | |
tree | 805f6ce2a15d1a717781d7cbceac8408a74b6b0c /src/libcharon/plugins/eap_sim_file | |
parent | ed7d79f96177044949744da10f4431c1d6242241 (diff) | |
download | vyos-strongswan-1ac70afcc1f7d6d2738a34308810719b0976d29f.tar.gz vyos-strongswan-1ac70afcc1f7d6d2738a34308810719b0976d29f.zip |
[svn-upgrade] Integrating new upstream version, strongswan (4.4.0)
Diffstat (limited to 'src/libcharon/plugins/eap_sim_file')
10 files changed, 1365 insertions, 0 deletions
diff --git a/src/libcharon/plugins/eap_sim_file/Makefile.am b/src/libcharon/plugins/eap_sim_file/Makefile.am new file mode 100644 index 000000000..2b59a7c88 --- /dev/null +++ b/src/libcharon/plugins/eap_sim_file/Makefile.am @@ -0,0 +1,19 @@ + +INCLUDES = -I$(top_srcdir)/src/libstrongswan -I$(top_srcdir)/src/libhydra \ + -I$(top_srcdir)/src/libcharon + +AM_CFLAGS = -rdynamic -DIPSEC_CONFDIR=\"${sysconfdir}\" + +if MONOLITHIC +noinst_LTLIBRARIES = libstrongswan-eap-sim-file.la +else +plugin_LTLIBRARIES = libstrongswan-eap-sim-file.la +endif + +libstrongswan_eap_sim_file_la_SOURCES = \ + eap_sim_file_plugin.h eap_sim_file_plugin.c \ + eap_sim_file_card.h eap_sim_file_card.c \ + eap_sim_file_provider.h eap_sim_file_provider.c \ + eap_sim_file_triplets.h eap_sim_file_triplets.c + +libstrongswan_eap_sim_file_la_LDFLAGS = -module -avoid-version diff --git a/src/libcharon/plugins/eap_sim_file/Makefile.in b/src/libcharon/plugins/eap_sim_file/Makefile.in new file mode 100644 index 000000000..2d998dbcc --- /dev/null +++ b/src/libcharon/plugins/eap_sim_file/Makefile.in @@ -0,0 +1,595 @@ +# 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)" 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b/src/libcharon/plugins/eap_sim_file/eap_sim_file_card.c new file mode 100644 index 000000000..d132a38f6 --- /dev/null +++ b/src/libcharon/plugins/eap_sim_file/eap_sim_file_card.c @@ -0,0 +1,107 @@ +/* + * Copyright (C) 2008-2009 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 "eap_sim_file_card.h" + +#include <daemon.h> + +typedef struct private_eap_sim_file_card_t private_eap_sim_file_card_t; + +/** + * Private data of an eap_sim_file_card_t object. + */ +struct private_eap_sim_file_card_t { + + /** + * Public eap_sim_file_card_t interface. + */ + eap_sim_file_card_t public; + + /** + * source of triplets + */ + eap_sim_file_triplets_t *triplets; +}; + +/** + * Implementation of sim_card_t.get_triplet + */ +static bool get_triplet(private_eap_sim_file_card_t *this, + identification_t *id, char *rand, char *sres, char *kc) +{ + enumerator_t *enumerator; + identification_t *cand; + char *c_rand, *c_sres, *c_kc; + + DBG2(DBG_CFG, "looking for triplet: %Y rand %b", id, rand, SIM_RAND_LEN); + + enumerator = this->triplets->create_enumerator(this->triplets); + while (enumerator->enumerate(enumerator, &cand, &c_rand, &c_sres, &c_kc)) + { + DBG2(DBG_CFG, "got a triplet: %Y rand %b\nsres %b\n kc %b", cand, + c_rand, SIM_RAND_LEN, c_sres, SIM_SRES_LEN, c_kc, SIM_KC_LEN); + if (id->matches(id, cand)) + { + if (memeq(c_rand, rand, SIM_RAND_LEN)) + { + DBG2(DBG_CFG, " => triplet matches"); + memcpy(sres, c_sres, SIM_SRES_LEN); + memcpy(kc, c_kc, SIM_KC_LEN); + enumerator->destroy(enumerator); + return TRUE; + } + } + } + enumerator->destroy(enumerator); + return FALSE; +} + +/** + * Implementation of sim_card_t.get_quintuplet + */ +static status_t get_quintuplet() +{ + return NOT_SUPPORTED; +} + +/** + * Implementation of eap_sim_file_card_t.destroy. + */ +static void destroy(private_eap_sim_file_card_t *this) +{ + free(this); +} + +/** + * See header + */ +eap_sim_file_card_t *eap_sim_file_card_create(eap_sim_file_triplets_t *triplets) +{ + private_eap_sim_file_card_t *this = malloc_thing(private_eap_sim_file_card_t); + + this->public.card.get_triplet = (bool(*)(sim_card_t*, identification_t *id, char rand[SIM_RAND_LEN], char sres[SIM_SRES_LEN], char kc[SIM_KC_LEN]))get_triplet; + this->public.card.get_quintuplet = (status_t(*)(sim_card_t*, identification_t *id, char rand[AKA_RAND_LEN], char autn[AKA_AUTN_LEN], char ck[AKA_CK_LEN], char ik[AKA_IK_LEN], char res[AKA_RES_MAX], int *res_len))get_quintuplet; + this->public.card.resync = (bool(*)(sim_card_t*, identification_t *id, char rand[AKA_RAND_LEN], char auts[AKA_AUTS_LEN]))return_false; + this->public.card.get_pseudonym = (identification_t*(*)(sim_card_t*, identification_t *perm))return_null; + this->public.card.set_pseudonym = (void(*)(sim_card_t*, identification_t *id, identification_t *pseudonym))nop; + this->public.card.get_reauth = (identification_t*(*)(sim_card_t*, identification_t *id, char mk[HASH_SIZE_SHA1], u_int16_t *counter))return_null; + this->public.card.set_reauth = (void(*)(sim_card_t*, identification_t *id, identification_t* next, char mk[HASH_SIZE_SHA1], u_int16_t counter))nop; + this->public.destroy = (void(*)(eap_sim_file_card_t*))destroy; + + this->triplets = triplets; + + return &this->public; +} + diff --git a/src/libcharon/plugins/eap_sim_file/eap_sim_file_card.h b/src/libcharon/plugins/eap_sim_file/eap_sim_file_card.h new file mode 100644 index 000000000..1a5470968 --- /dev/null +++ b/src/libcharon/plugins/eap_sim_file/eap_sim_file_card.h @@ -0,0 +1,53 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +/** + * @defgroup eap_sim_file_card eap_sim_file_card + * @{ @ingroup eap_sim_file + */ + +#ifndef EAP_SIM_FILE_CARD_H_ +#define EAP_SIM_FILE_CARD_H_ + +#include "eap_sim_file_triplets.h" + +#include <sa/authenticators/eap/sim_manager.h> + +typedef struct eap_sim_file_card_t eap_sim_file_card_t; + +/** + * SIM card implementation on top of a triplet file. + */ +struct eap_sim_file_card_t { + + /** + * Implements sim_card_t interface + */ + sim_card_t card; + + /** + * Destroy a eap_sim_file_card_t. + */ + void (*destroy)(eap_sim_file_card_t *this); +}; + +/** + * Create a eap_sim_file_card instance. + * + * @param triplets source of triplets + */ +eap_sim_file_card_t *eap_sim_file_card_create(eap_sim_file_triplets_t *triplets); + +#endif /** EAP_SIM_FILE_CARD_H_ @}*/ diff --git a/src/libcharon/plugins/eap_sim_file/eap_sim_file_plugin.c b/src/libcharon/plugins/eap_sim_file/eap_sim_file_plugin.c new file mode 100644 index 000000000..4f25c35ea --- /dev/null +++ b/src/libcharon/plugins/eap_sim_file/eap_sim_file_plugin.c @@ -0,0 +1,90 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +#include "eap_sim_file_plugin.h" +#include "eap_sim_file_card.h" +#include "eap_sim_file_provider.h" +#include "eap_sim_file_triplets.h" + +#include <daemon.h> + +#define TRIPLET_FILE IPSEC_CONFDIR "/ipsec.d/triplets.dat" + +typedef struct private_eap_sim_file_t private_eap_sim_file_t; + +/** + * Private data of an eap_sim_file_t object. + */ +struct private_eap_sim_file_t { + + /** + * Public eap_sim_file_plugin_t interface. + */ + eap_sim_file_plugin_t public; + + /** + * SIM card + */ + eap_sim_file_card_t *card; + + /** + * SIM provider + */ + eap_sim_file_provider_t *provider; + + /** + * Triplet source + */ + eap_sim_file_triplets_t *triplets; +}; + +/** + * Implementation of eap_sim_file_t.destroy. + */ +static void destroy(private_eap_sim_file_t *this) +{ + charon->sim->remove_card(charon->sim, &this->card->card); + charon->sim->remove_provider(charon->sim, &this->provider->provider); + this->card->destroy(this->card); + this->provider->destroy(this->provider); + this->triplets->destroy(this->triplets); + free(this); +} + +/** + * See header + */ +plugin_t *eap_sim_file_plugin_create() +{ + private_eap_sim_file_t *this = malloc_thing(private_eap_sim_file_t); + + this->public.plugin.destroy = (void(*)(plugin_t*))destroy; + + this->triplets = eap_sim_file_triplets_create(TRIPLET_FILE); + this->provider = eap_sim_file_provider_create(this->triplets); + if (!this->provider) + { + this->triplets->destroy(this->triplets); + free(this); + return NULL; + } + this->card = eap_sim_file_card_create(this->triplets); + + charon->sim->add_card(charon->sim, &this->card->card); + charon->sim->add_provider(charon->sim, &this->provider->provider); + + return &this->public.plugin; +} + diff --git a/src/libcharon/plugins/eap_sim_file/eap_sim_file_plugin.h b/src/libcharon/plugins/eap_sim_file/eap_sim_file_plugin.h new file mode 100644 index 000000000..f5083c72f --- /dev/null +++ b/src/libcharon/plugins/eap_sim_file/eap_sim_file_plugin.h @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +/** + * @defgroup eap_sim_file eap_sim_file + * @ingroup cplugins + * + * @defgroup eap_sim_file_plugin eap_sim_file_plugin + * @{ @ingroup eap_sim_file + */ + +#ifndef EAP_SIM_FILE_PLUGIN_H_ +#define EAP_SIM_FILE_PLUGIN_H_ + +#include <plugins/plugin.h> + +typedef struct eap_sim_file_plugin_t eap_sim_file_plugin_t; + +/** + * Plugin to provide a SIM card/provider on top of a triplet file. + */ +struct eap_sim_file_plugin_t { + + /** + * implements plugin interface + */ + plugin_t plugin; +}; + +#endif /** EAP_SIM_FILE_PLUGIN_H_ @}*/ diff --git a/src/libcharon/plugins/eap_sim_file/eap_sim_file_provider.c b/src/libcharon/plugins/eap_sim_file/eap_sim_file_provider.c new file mode 100644 index 000000000..9bee31fc3 --- /dev/null +++ b/src/libcharon/plugins/eap_sim_file/eap_sim_file_provider.c @@ -0,0 +1,93 @@ +/* + * Copyright (C) 2008-2009 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 "eap_sim_file_provider.h" + +#include <daemon.h> + +typedef struct private_eap_sim_file_provider_t private_eap_sim_file_provider_t; + +/** + * Private data of an eap_sim_file_provider_t object. + */ +struct private_eap_sim_file_provider_t { + + /** + * Public eap_sim_file_provider_t interface. + */ + eap_sim_file_provider_t public; + + /** + * source of triplets + */ + eap_sim_file_triplets_t *triplets; +}; + +/** + * Implementation of sim_provider_t.get_triplet + */ +static bool get_triplet(private_eap_sim_file_provider_t *this, + identification_t *id, char *rand, char *sres, char *kc) +{ + enumerator_t *enumerator; + identification_t *cand; + char *c_rand, *c_sres, *c_kc; + + enumerator = this->triplets->create_enumerator(this->triplets); + while (enumerator->enumerate(enumerator, &cand, &c_rand, &c_sres, &c_kc)) + { + if (id->matches(id, cand)) + { + memcpy(rand, c_rand, SIM_RAND_LEN); + memcpy(sres, c_sres, SIM_SRES_LEN); + memcpy(kc, c_kc, SIM_KC_LEN); + enumerator->destroy(enumerator); + return TRUE; + } + } + enumerator->destroy(enumerator); + return FALSE; +} + +/** + * Implementation of eap_sim_file_provider_t.destroy. + */ +static void destroy(private_eap_sim_file_provider_t *this) +{ + free(this); +} + +/** + * See header + */ +eap_sim_file_provider_t *eap_sim_file_provider_create( + eap_sim_file_triplets_t *triplets) +{ + private_eap_sim_file_provider_t *this = malloc_thing(private_eap_sim_file_provider_t); + + this->public.provider.get_triplet = (bool(*)(sim_provider_t*, identification_t *id, char rand[SIM_RAND_LEN], char sres[SIM_SRES_LEN], char kc[SIM_KC_LEN]))get_triplet; + this->public.provider.get_quintuplet = (bool(*)(sim_provider_t*, identification_t *id, char rand[AKA_RAND_LEN], char xres[AKA_RES_MAX], int *xres_len, char ck[AKA_CK_LEN], char ik[AKA_IK_LEN], char autn[AKA_AUTN_LEN]))return_false; + this->public.provider.resync = (bool(*)(sim_provider_t*, identification_t *id, char rand[AKA_RAND_LEN], char auts[AKA_AUTS_LEN]))return_false; + this->public.provider.is_pseudonym = (identification_t*(*)(sim_provider_t*, identification_t *id))return_null; + this->public.provider.gen_pseudonym = (identification_t*(*)(sim_provider_t*, identification_t *id))return_null; + this->public.provider.is_reauth = (identification_t*(*)(sim_provider_t*, identification_t *id, char [HASH_SIZE_SHA1], u_int16_t *counter))return_null; + this->public.provider.gen_reauth = (identification_t*(*)(sim_provider_t*, identification_t *id, char mk[HASH_SIZE_SHA1]))return_null; + this->public.destroy = (void(*)(eap_sim_file_provider_t*))destroy; + + this->triplets = triplets; + + return &this->public; +} + diff --git a/src/libcharon/plugins/eap_sim_file/eap_sim_file_provider.h b/src/libcharon/plugins/eap_sim_file/eap_sim_file_provider.h new file mode 100644 index 000000000..10fda282a --- /dev/null +++ b/src/libcharon/plugins/eap_sim_file/eap_sim_file_provider.h @@ -0,0 +1,50 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +/** + * @defgroup eap_sim_file_provider eap_sim_file_provider + * @{ @ingroup eap_sim_file + */ + +#ifndef EAP_SIM_FILE_PROVIDER_H_ +#define EAP_SIM_FILE_PROVIDER_H_ + +#include "eap_sim_file_triplets.h" + +typedef struct eap_sim_file_provider_t eap_sim_file_provider_t; + +/** + * SIM provider implementation on top of triplets file. + */ +struct eap_sim_file_provider_t { + + /** + * Implements sim_provider_t interface. + */ + sim_provider_t provider; + + /** + * Destroy a eap_sim_file_provider_t. + */ + void (*destroy)(eap_sim_file_provider_t *this); +}; + +/** + * Create a eap_sim_file_provider instance. + */ +eap_sim_file_provider_t *eap_sim_file_provider_create( + eap_sim_file_triplets_t *triplets); + +#endif /** EAP_SIM_FILE_PROVIDER_H_ @}*/ diff --git a/src/libcharon/plugins/eap_sim_file/eap_sim_file_triplets.c b/src/libcharon/plugins/eap_sim_file/eap_sim_file_triplets.c new file mode 100644 index 000000000..6b7d99fb7 --- /dev/null +++ b/src/libcharon/plugins/eap_sim_file/eap_sim_file_triplets.c @@ -0,0 +1,260 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +#include "eap_sim_file_triplets.h" + +#include <stdio.h> +#include <errno.h> + +#include <daemon.h> +#include <utils/linked_list.h> +#include <threading/mutex.h> + +typedef struct private_eap_sim_file_triplets_t private_eap_sim_file_triplets_t; + +/** + * Private data of an eap_sim_file_triplets_t object. + */ +struct private_eap_sim_file_triplets_t { + + /** + * Public eap_sim_file_triplets_t interface. + */ + eap_sim_file_triplets_t public; + + /** + * List of triplets, as triplet_t + */ + linked_list_t *triplets; + + /** + * mutex to lock triplets list + */ + mutex_t *mutex; +}; + +/** + * A single triplet + */ +typedef struct { + identification_t *imsi; + char rand[SIM_RAND_LEN]; + char sres[SIM_SRES_LEN]; + char kc[SIM_KC_LEN]; +} triplet_t; + +/** + * Destroy a triplet + */ +static void triplet_destroy(triplet_t *this) +{ + DESTROY_IF(this->imsi); + free(this); +} + +/** + * triplet enumerator + */ +typedef struct { + /** implements enumerator */ + enumerator_t public; + /** inner enumerator */ + enumerator_t *inner; + /** current enumerating triplet */ + triplet_t *current; + /** back ptr */ + private_eap_sim_file_triplets_t *this; +} triplet_enumerator_t; + +/** + * destroy a triplet enumerator + */ +static void enumerator_destroy(triplet_enumerator_t *e) +{ + if (e->current) + { + /* We assume that the current element is used on invocation if destroy. + * We move that triplet to the end to avoid handout of the same triplet + * next time. */ + e->this->triplets->remove_at(e->this->triplets, e->inner); + e->this->triplets->insert_last(e->this->triplets, e->current); + } + e->inner->destroy(e->inner); + e->this->mutex->unlock(e->this->mutex); + free(e); +} + +/** + * enumerate through triplets + */ +static bool enumerator_enumerate(triplet_enumerator_t *e, identification_t **imsi, + char **rand, char **sres, char **kc) +{ + triplet_t *triplet; + + if (e->inner->enumerate(e->inner, &triplet)) + { + e->current = triplet; + *imsi = triplet->imsi; + *rand = triplet->rand; + *sres = triplet->sres; + *kc = triplet->kc; + return TRUE; + } + e->current = NULL; + return FALSE; +} + +/** + * Implementation of eap_sim_file_triplets_t.create_enumerator + */ +static enumerator_t* create_enumerator(private_eap_sim_file_triplets_t *this) +{ + triplet_enumerator_t *enumerator = malloc_thing(triplet_enumerator_t); + + this->mutex->lock(this->mutex); + enumerator->public.enumerate = (void*)enumerator_enumerate; + enumerator->public.destroy = (void*)enumerator_destroy; + enumerator->inner = this->triplets->create_enumerator(this->triplets); + enumerator->current = NULL; + enumerator->this = this; + + return &enumerator->public; +} + +/** + * convert to token into the array + */ +static void parse_token(char *to, char *from, size_t len) +{ + chunk_t chunk; + + chunk = chunk_create(from, min(strlen(from), len * 2)); + chunk = chunk_from_hex(chunk, NULL); + memset(to, 0, len); + memcpy(to + len - chunk.len, chunk.ptr, chunk.len); + free(chunk.ptr); +} + +/** + * Read the triplets from the file + */ +static void read_triplets(private_eap_sim_file_triplets_t *this, char *path) +{ + char line[512]; + FILE *file; + int i, nr = 0; + + file = fopen(path, "r"); + if (file == NULL) + { + DBG1(DBG_CFG, "opening triplet file %s failed: %s", + path, strerror(errno)); + return; + } + + /* read line by line */ + while (fgets(line, sizeof(line), file)) + { + triplet_t *triplet; + enumerator_t *enumerator; + char *token; + + nr++; + /* skip comments, empty lines */ + switch (line[0]) + { + case '\n': + case '\r': + case '#': + case '\0': + continue; + default: + break; + } + triplet = malloc_thing(triplet_t); + memset(triplet, 0, sizeof(triplet_t)); + + i = 0; + enumerator = enumerator_create_token(line, ",", " \n\r#"); + while (enumerator->enumerate(enumerator, &token)) + { + switch (i++) + { + case 0: /* IMSI */ + triplet->imsi = identification_create_from_string(token); + continue; + case 1: /* rand */ + parse_token(triplet->rand, token, SIM_RAND_LEN); + continue; + case 2: /* sres */ + parse_token(triplet->sres, token, SIM_SRES_LEN); + continue; + case 3: /* kc */ + parse_token(triplet->kc, token, SIM_KC_LEN); + continue; + default: + break;; + } + break; + } + enumerator->destroy(enumerator); + if (i < 4) + { + DBG1(DBG_CFG, "error in triplet file, line %d", nr); + triplet_destroy(triplet); + continue; + } + + DBG2(DBG_CFG, "triplet: imsi %Y\nrand %b\nsres %b\nkc %b", + triplet->imsi, triplet->rand, SIM_RAND_LEN, + triplet->sres, SIM_SRES_LEN, triplet->kc, SIM_KC_LEN); + + this->triplets->insert_last(this->triplets, triplet); + } + fclose(file); + + DBG1(DBG_CFG, "read %d triplets from %s", + this->triplets->get_count(this->triplets), path); +} + +/** + * Implementation of eap_sim_file_triplets_t.destroy. + */ +static void destroy(private_eap_sim_file_triplets_t *this) +{ + this->triplets->destroy_function(this->triplets, (void*)triplet_destroy); + this->mutex->destroy(this->mutex); + free(this); +} + +/** + * See header + */ +eap_sim_file_triplets_t *eap_sim_file_triplets_create(char *file) +{ + private_eap_sim_file_triplets_t *this = malloc_thing(private_eap_sim_file_triplets_t); + + this->public.create_enumerator = (enumerator_t*(*)(eap_sim_file_triplets_t*))create_enumerator; + this->public.destroy = (void(*)(eap_sim_file_triplets_t*))destroy; + + this->triplets = linked_list_create(); + this->mutex = mutex_create(MUTEX_TYPE_DEFAULT); + + read_triplets(this, file); + + return &this->public; +} + diff --git a/src/libcharon/plugins/eap_sim_file/eap_sim_file_triplets.h b/src/libcharon/plugins/eap_sim_file/eap_sim_file_triplets.h new file mode 100644 index 000000000..8f8130810 --- /dev/null +++ b/src/libcharon/plugins/eap_sim_file/eap_sim_file_triplets.h @@ -0,0 +1,56 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +/** + * @defgroup eap_sim_file_triplets eap_sim_file_triplets + * @{ @ingroup eap_sim_file + */ + +#ifndef EAP_SIM_FILE_TRIPLETS_H_ +#define EAP_SIM_FILE_TRIPLETS_H_ + +#include <sa/authenticators/eap/sim_manager.h> + +typedef struct eap_sim_file_triplets_t eap_sim_file_triplets_t; + +/** + * Reads triplets from a triplets.dat file. + * + * The file is in freeradius triplet file syntax: + * http://www.freeradius.org/radiusd/doc/rlm_sim_triplets + */ +struct eap_sim_file_triplets_t { + + /** + * Create an enumerator over the file's triplets. + * + * @return enumerator over (identity, rand, sres, kc) + */ + enumerator_t* (*create_enumerator)(eap_sim_file_triplets_t *this); + + /** + * Destroy a eap_sim_file_triplets_t. + */ + void (*destroy)(eap_sim_file_triplets_t *this); +}; + +/** + * Create a eap_sim_file_triplets instance. + * + * @param file triplet file to read from + */ +eap_sim_file_triplets_t *eap_sim_file_triplets_create(char *file); + +#endif /** EAP_SIM_FILE_TRIPLETS_H_ @}*/ |