diff options
Diffstat (limited to 'src/charon/sa/tasks/ike_cert_post.c')
-rw-r--r-- | src/charon/sa/tasks/ike_cert_post.c | 261 |
1 files changed, 0 insertions, 261 deletions
diff --git a/src/charon/sa/tasks/ike_cert_post.c b/src/charon/sa/tasks/ike_cert_post.c deleted file mode 100644 index c831df975..000000000 --- a/src/charon/sa/tasks/ike_cert_post.c +++ /dev/null @@ -1,261 +0,0 @@ -/* - * Copyright (C) 2008 Tobias Brunner - * Copyright (C) 2006-2009 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 "ike_cert_post.h" - -#include <daemon.h> -#include <sa/ike_sa.h> -#include <encoding/payloads/cert_payload.h> -#include <encoding/payloads/certreq_payload.h> -#include <encoding/payloads/auth_payload.h> -#include <credentials/certificates/x509.h> - - -typedef struct private_ike_cert_post_t private_ike_cert_post_t; - -/** - * Private members of a ike_cert_post_t task. - */ -struct private_ike_cert_post_t { - - /** - * Public methods and task_t interface. - */ - ike_cert_post_t public; - - /** - * Assigned IKE_SA. - */ - ike_sa_t *ike_sa; - - /** - * Are we the initiator? - */ - bool initiator; -}; - -/** - * Generates the cert payload, if possible with "Hash and URL" - */ -static cert_payload_t *build_cert_payload(private_ike_cert_post_t *this, - certificate_t *cert) -{ - hasher_t *hasher; - identification_t *id; - chunk_t hash, encoded ; - enumerator_t *enumerator; - char *url; - cert_payload_t *payload = NULL; - - if (!this->ike_sa->supports_extension(this->ike_sa, EXT_HASH_AND_URL)) - { - return cert_payload_create_from_cert(cert); - } - - hasher = lib->crypto->create_hasher(lib->crypto, HASH_SHA1); - if (!hasher) - { - DBG1(DBG_IKE, "unable to use hash-and-url: sha1 not supported"); - return cert_payload_create_from_cert(cert); - } - - encoded = cert->get_encoding(cert); - hasher->allocate_hash(hasher, encoded, &hash); - chunk_free(&encoded); - hasher->destroy(hasher); - id = identification_create_from_encoding(ID_KEY_ID, hash); - - enumerator = charon->credentials->create_cdp_enumerator(charon->credentials, - CERT_X509, id); - if (enumerator->enumerate(enumerator, &url)) - { - payload = cert_payload_create_from_hash_and_url(hash, url); - } - else - { - payload = cert_payload_create_from_cert(cert); - } - enumerator->destroy(enumerator); - chunk_free(&hash); - id->destroy(id); - return payload; -} - -/** - * add certificates to message - */ -static void build_certs(private_ike_cert_post_t *this, message_t *message) -{ - peer_cfg_t *peer_cfg; - auth_payload_t *payload; - - payload = (auth_payload_t*)message->get_payload(message, AUTHENTICATION); - peer_cfg = this->ike_sa->get_peer_cfg(this->ike_sa); - if (!peer_cfg || !payload || payload->get_auth_method(payload) == AUTH_PSK) - { /* no CERT payload for EAP/PSK */ - return; - } - - switch (peer_cfg->get_cert_policy(peer_cfg)) - { - case CERT_NEVER_SEND: - break; - case CERT_SEND_IF_ASKED: - if (!this->ike_sa->has_condition(this->ike_sa, COND_CERTREQ_SEEN)) - { - break; - } - /* FALL */ - case CERT_ALWAYS_SEND: - { - cert_payload_t *payload; - enumerator_t *enumerator; - certificate_t *cert; - auth_rule_t type; - auth_cfg_t *auth; - - auth = this->ike_sa->get_auth_cfg(this->ike_sa, TRUE); - - /* get subject cert first, then issuing certificates */ - cert = auth->get(auth, AUTH_RULE_SUBJECT_CERT); - if (!cert) - { - break; - } - payload = build_cert_payload(this, cert); - if (!payload) - { - break; - } - DBG1(DBG_IKE, "sending end entity cert \"%Y\"", - cert->get_subject(cert)); - message->add_payload(message, (payload_t*)payload); - - enumerator = auth->create_enumerator(auth); - while (enumerator->enumerate(enumerator, &type, &cert)) - { - if (type == AUTH_RULE_IM_CERT) - { - payload = cert_payload_create_from_cert(cert); - if (payload) - { - DBG1(DBG_IKE, "sending issuer cert \"%Y\"", - cert->get_subject(cert)); - message->add_payload(message, (payload_t*)payload); - } - } - } - enumerator->destroy(enumerator); - } - } -} - -/** - * Implementation of task_t.process for initiator - */ -static status_t build_i(private_ike_cert_post_t *this, message_t *message) -{ - build_certs(this, message); - - return NEED_MORE; -} - -/** - * Implementation of task_t.process for responder - */ -static status_t process_r(private_ike_cert_post_t *this, message_t *message) -{ - return NEED_MORE; -} - -/** - * Implementation of task_t.build for responder - */ -static status_t build_r(private_ike_cert_post_t *this, message_t *message) -{ - build_certs(this, message); - - if (this->ike_sa->get_state(this->ike_sa) != IKE_ESTABLISHED) - { /* stay alive, we might have additional rounds with certs */ - return NEED_MORE; - } - return SUCCESS; -} - -/** - * Implementation of task_t.process for initiator - */ -static status_t process_i(private_ike_cert_post_t *this, message_t *message) -{ - if (this->ike_sa->get_state(this->ike_sa) != IKE_ESTABLISHED) - { /* stay alive, we might have additional rounds with CERTS */ - return NEED_MORE; - } - return SUCCESS; -} - -/** - * Implementation of task_t.get_type - */ -static task_type_t get_type(private_ike_cert_post_t *this) -{ - return IKE_CERT_POST; -} - -/** - * Implementation of task_t.migrate - */ -static void migrate(private_ike_cert_post_t *this, ike_sa_t *ike_sa) -{ - this->ike_sa = ike_sa; -} - -/** - * Implementation of task_t.destroy - */ -static void destroy(private_ike_cert_post_t *this) -{ - free(this); -} - -/* - * Described in header. - */ -ike_cert_post_t *ike_cert_post_create(ike_sa_t *ike_sa, bool initiator) -{ - private_ike_cert_post_t *this = malloc_thing(private_ike_cert_post_t); - - this->public.task.get_type = (task_type_t(*)(task_t*))get_type; - this->public.task.migrate = (void(*)(task_t*,ike_sa_t*))migrate; - this->public.task.destroy = (void(*)(task_t*))destroy; - - if (initiator) - { - this->public.task.build = (status_t(*)(task_t*,message_t*))build_i; - this->public.task.process = (status_t(*)(task_t*,message_t*))process_i; - } - else - { - this->public.task.build = (status_t(*)(task_t*,message_t*))build_r; - this->public.task.process = (status_t(*)(task_t*,message_t*))process_r; - } - - this->ike_sa = ike_sa; - this->initiator = initiator; - - return &this->public; -} - |