diff options
Diffstat (limited to 'src/charon/credentials/sets/auth_cfg_wrapper.c')
| -rw-r--r-- | src/charon/credentials/sets/auth_cfg_wrapper.c | 223 |
1 files changed, 0 insertions, 223 deletions
diff --git a/src/charon/credentials/sets/auth_cfg_wrapper.c b/src/charon/credentials/sets/auth_cfg_wrapper.c deleted file mode 100644 index 82e33d283..000000000 --- a/src/charon/credentials/sets/auth_cfg_wrapper.c +++ /dev/null @@ -1,223 +0,0 @@ -/* - * Copyright (C) 2008-2009 Martin Willi - * Copyright (C) 2008 Tobias Brunner - * Hochschule fuer Technik Rapperswil - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - */ - -#include <daemon.h> - -#include "auth_cfg_wrapper.h" - -typedef struct private_auth_cfg_wrapper_t private_auth_cfg_wrapper_t; - -/** - * private data of auth_cfg_wrapper - */ -struct private_auth_cfg_wrapper_t { - - /** - * public functions - */ - auth_cfg_wrapper_t public; - - /** - * wrapped auth info - */ - auth_cfg_t *auth; -}; - -/** - * enumerator for auth_cfg_wrapper_t.create_cert_enumerator() - */ -typedef struct { - /** implements enumerator_t */ - enumerator_t public; - /** inner enumerator from auth_cfg */ - enumerator_t *inner; - /** wrapped auth round */ - auth_cfg_t *auth; - /** enumerated cert type */ - certificate_type_t cert; - /** enumerated key type */ - key_type_t key; - /** enumerated id */ - identification_t *id; -} wrapper_enumerator_t; - -/** - * Tries to fetch a certificate that was supplied as "Hash and URL" - * (replaces rule type and value in place). - */ -static bool fetch_cert(wrapper_enumerator_t *enumerator, - auth_rule_t *rule, void **value) -{ - char *url = (char*)*value; - if (!url) - { - /* fetching the certificate previously failed */ - return FALSE; - } - - chunk_t data; - certificate_t *cert; - - DBG1(DBG_CFG, " fetching certificate from '%s' ...", url); - if (lib->fetcher->fetch(lib->fetcher, url, &data, FETCH_END) != SUCCESS) - { - DBG1(DBG_CFG, " fetching certificate failed"); - /* we set the item to NULL, so we can skip it */ - enumerator->auth->replace(enumerator->auth, enumerator->inner, - *rule, NULL); - return FALSE; - } - - cert = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509, - BUILD_BLOB_ASN1_DER, data, BUILD_END); - free(data.ptr); - - if (!cert) - { - DBG1(DBG_CFG, " parsing fetched certificate failed"); - /* we set the item to NULL, so we can skip it */ - enumerator->auth->replace(enumerator->auth, enumerator->inner, - *rule, NULL); - return FALSE; - } - - DBG1(DBG_CFG, " fetched certificate \"%Y\"", cert->get_subject(cert)); - charon->credentials->cache_cert(charon->credentials, cert); - - if (*rule == AUTH_HELPER_IM_HASH_URL) - { - *rule = AUTH_HELPER_IM_CERT; - } - else - { - *rule = AUTH_HELPER_SUBJECT_CERT; - } - *value = cert; - enumerator->auth->replace(enumerator->auth, enumerator->inner, - *rule, cert->get_ref(cert)); - return TRUE; -} - -/** - * enumerate function for wrapper_enumerator_t - */ -static bool enumerate(wrapper_enumerator_t *this, certificate_t **cert) -{ - auth_rule_t rule; - certificate_t *current; - public_key_t *public; - - while (this->inner->enumerate(this->inner, &rule, ¤t)) - { - if (rule == AUTH_HELPER_IM_HASH_URL || - rule == AUTH_HELPER_SUBJECT_HASH_URL) - { /* on-demand fetching of hash and url certificates */ - if (!fetch_cert(this, &rule, (void**)¤t)) - { - continue; - } - } - else if (rule != AUTH_HELPER_SUBJECT_CERT && - rule != AUTH_HELPER_IM_CERT) - { /* handle only HELPER certificates */ - continue; - } - if (this->cert != CERT_ANY && this->cert != current->get_type(current)) - { /* CERT type requested, but does not match */ - continue; - } - public = current->get_public_key(current); - if (this->key != KEY_ANY && !public) - { /* key type requested, but no public key */ - DESTROY_IF(public); - continue; - } - if (this->key != KEY_ANY && public && this->key != public->get_type(public)) - { /* key type requested, but public key has another type */ - DESTROY_IF(public); - continue; - } - DESTROY_IF(public); - if (this->id && !current->has_subject(current, this->id)) - { /* subject requested, but does not match */ - continue; - } - *cert = current; - return TRUE; - } - return FALSE; -} - -/** - * destroy function for wrapper_enumerator_t - */ -static void wrapper_enumerator_destroy(wrapper_enumerator_t *this) -{ - this->inner->destroy(this->inner); - free(this); -} - -/** - * implementation of auth_cfg_wrapper_t.set.create_cert_enumerator - */ -static enumerator_t *create_enumerator(private_auth_cfg_wrapper_t *this, - certificate_type_t cert, key_type_t key, - identification_t *id, bool trusted) -{ - wrapper_enumerator_t *enumerator; - - if (trusted) - { - return NULL; - } - enumerator = malloc_thing(wrapper_enumerator_t); - enumerator->auth = this->auth; - enumerator->cert = cert; - enumerator->key = key; - enumerator->id = id; - enumerator->inner = this->auth->create_enumerator(this->auth); - enumerator->public.enumerate = (void*)enumerate; - enumerator->public.destroy = (void*)wrapper_enumerator_destroy; - return &enumerator->public; -} - -/** - * Implementation of auth_cfg_wrapper_t.destroy - */ -static void destroy(private_auth_cfg_wrapper_t *this) -{ - free(this); -} - -/* - * see header file - */ -auth_cfg_wrapper_t *auth_cfg_wrapper_create(auth_cfg_t *auth) -{ - private_auth_cfg_wrapper_t *this = malloc_thing(private_auth_cfg_wrapper_t); - - this->public.set.create_private_enumerator = (void*)return_null; - this->public.set.create_cert_enumerator = (void*)create_enumerator; - this->public.set.create_shared_enumerator = (void*)return_null; - this->public.set.create_cdp_enumerator = (void*)return_null; - this->public.set.cache_cert = (void*)nop; - this->public.destroy = (void(*)(auth_cfg_wrapper_t*))destroy; - - this->auth = auth; - - return &this->public; -} - |