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Diffstat (limited to 'src/charon/sa/tasks/ike_cert.c')
-rw-r--r--src/charon/sa/tasks/ike_cert.c366
1 files changed, 0 insertions, 366 deletions
diff --git a/src/charon/sa/tasks/ike_cert.c b/src/charon/sa/tasks/ike_cert.c
deleted file mode 100644
index 880ed9c42..000000000
--- a/src/charon/sa/tasks/ike_cert.c
+++ /dev/null
@@ -1,366 +0,0 @@
-/**
- * @file ike_cert.c
- *
- * @brief Implementation of the ike_cert task.
- *
- */
-
-/*
- * Copyright (C) 2006-2007 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.h"
-
-#include <daemon.h>
-#include <sa/ike_sa.h>
-#include <crypto/hashers/hasher.h>
-#include <encoding/payloads/cert_payload.h>
-#include <encoding/payloads/certreq_payload.h>
-
-
-typedef struct private_ike_cert_t private_ike_cert_t;
-
-/**
- * Private members of a ike_cert_t task.
- */
-struct private_ike_cert_t {
-
- /**
- * Public methods and task_t interface.
- */
- ike_cert_t public;
-
- /**
- * Assigned IKE_SA.
- */
- ike_sa_t *ike_sa;
-
- /**
- * Are we the initiator?
- */
- bool initiator;
-
- /**
- * list of CA cert hashes requested, items point to 20 byte chunk
- */
- linked_list_t *cas;
-
- /**
- * have we seen a certificate request?
- */
- bool certreq_seen;
-};
-
-/**
- * read certificate requests
- */
-static void process_certreqs(private_ike_cert_t *this, message_t *message)
-{
- iterator_t *iterator;
- payload_t *payload;
-
- iterator = message->get_payload_iterator(message);
- while (iterator->iterate(iterator, (void**)&payload))
- {
- if (payload->get_type(payload) == CERTIFICATE_REQUEST)
- {
- certreq_payload_t *certreq = (certreq_payload_t*)payload;
- cert_encoding_t encoding;
- chunk_t keyids, keyid;
-
- this->certreq_seen = TRUE;
-
- encoding = certreq->get_cert_encoding(certreq);
- if (encoding != CERT_X509_SIGNATURE)
- {
- DBG1(DBG_IKE, "certreq payload %N not supported - ignored",
- cert_encoding_names, encoding);
- continue;
- }
-
- keyids = certreq->get_data(certreq);
-
- while (keyids.len >= HASH_SIZE_SHA1)
- {
- keyid = chunk_create(keyids.ptr, HASH_SIZE_SHA1);
- keyid = chunk_clone(keyid);
- this->cas->insert_last(this->cas, keyid.ptr);
- keyids = chunk_skip(keyids, HASH_SIZE_SHA1);
- }
- }
- }
- iterator->destroy(iterator);
-}
-
-/**
- * import certificates
- */
-static void process_certs(private_ike_cert_t *this, message_t *message)
-{
- iterator_t *iterator;
- payload_t *payload;
-
- iterator = message->get_payload_iterator(message);
- while (iterator->iterate(iterator, (void**)&payload))
- {
- if (payload->get_type(payload) == CERTIFICATE)
- {
- cert_encoding_t encoding;
- x509_t *cert;
- chunk_t cert_data;
- bool found;
- cert_payload_t *cert_payload = (cert_payload_t*)payload;
-
- encoding = cert_payload->get_cert_encoding(cert_payload);
- if (encoding != CERT_X509_SIGNATURE)
- {
- DBG1(DBG_IKE, "certificate payload %N not supported - ignored",
- cert_encoding_names, encoding);
- continue;
- }
-
- cert_data = cert_payload->get_data_clone(cert_payload);
- cert = x509_create_from_chunk(cert_data, 0);
- if (cert)
- {
- if (charon->credentials->verify(charon->credentials, cert, &found))
- {
- DBG2(DBG_IKE, "received end entity certificate is trusted - "
- "added to store");
- if (found)
- {
- cert->destroy(cert);
- }
- else
- {
- charon->credentials->add_end_certificate(charon->credentials, cert);
- }
- }
- else
- {
- DBG1(DBG_IKE, "received end entity certificate is not trusted - "
- "discarded");
- cert->destroy(cert);
- }
- }
- else
- {
- DBG1(DBG_IKE, "parsing of received certificate failed - discarded");
- chunk_free(&cert_data);
- }
- }
- }
- iterator->destroy(iterator);
-}
-
-/**
- * build certificate requests
- */
-static void build_certreqs(private_ike_cert_t *this, message_t *message)
-{
- ike_cfg_t *ike_cfg;
- peer_cfg_t *peer_cfg;
- identification_t *ca;
- certreq_payload_t *certreq;
-
- ike_cfg = this->ike_sa->get_ike_cfg(this->ike_sa);
-
- if (ike_cfg->send_certreq(ike_cfg) != CERT_NEVER_SEND)
- {
- peer_cfg = this->ike_sa->get_peer_cfg(this->ike_sa);
-
- if (peer_cfg)
- {
- ca = peer_cfg->get_other_ca(peer_cfg);
-
- if (ca && ca->get_type(ca) != ID_ANY)
- {
- certreq = certreq_payload_create_from_cacert(ca);
- }
- else
- {
- certreq = certreq_payload_create_from_cacerts();
- }
- }
- else
- {
- certreq = certreq_payload_create_from_cacerts();
- }
-
- if (certreq)
- {
- message->add_payload(message, (payload_t*)certreq);
- }
- }
-}
-
-/**
- * add certificates to message
- */
-static void build_certs(private_ike_cert_t *this, message_t *message)
-{
- peer_cfg_t *peer_cfg;
- x509_t *cert;
- cert_payload_t *payload;
-
- peer_cfg = this->ike_sa->get_peer_cfg(this->ike_sa);
-
- if (peer_cfg && peer_cfg->get_auth_method(peer_cfg) == AUTH_RSA)
- {
- switch (peer_cfg->get_cert_policy(peer_cfg))
- {
- case CERT_NEVER_SEND:
- break;
- case CERT_SEND_IF_ASKED:
- if (!this->certreq_seen)
- {
- break;
- }
- /* FALL */
- case CERT_ALWAYS_SEND:
- {
- /* TODO: respect CA cert request */
- cert = charon->credentials->get_certificate(charon->credentials,
- peer_cfg->get_my_id(peer_cfg));
- if (cert)
- {
- payload = cert_payload_create_from_x509(cert);
- message->add_payload(message, (payload_t*)payload);
- }
- }
- }
- }
-}
-
-/**
- * Implementation of task_t.process for initiator
- */
-static status_t build_i(private_ike_cert_t *this, message_t *message)
-{
- if (message->get_exchange_type(message) == IKE_SA_INIT)
- {
- return NEED_MORE;
- }
-
- build_certreqs(this, message);
- build_certs(this, message);
-
- return NEED_MORE;
-}
-
-/**
- * Implementation of task_t.process for responder
- */
-static status_t process_r(private_ike_cert_t *this, message_t *message)
-{
- if (message->get_exchange_type(message) == IKE_SA_INIT)
- {
- return NEED_MORE;
- }
-
- process_certreqs(this, message);
- process_certs(this, message);
-
- return NEED_MORE;
-}
-
-/**
- * Implementation of task_t.build for responder
- */
-static status_t build_r(private_ike_cert_t *this, message_t *message)
-{
- if (message->get_exchange_type(message) == IKE_SA_INIT)
- {
- build_certreqs(this, message);
- return NEED_MORE;
- }
-
- build_certs(this, message);
-
- return SUCCESS;
-}
-
-/**
- * Implementation of task_t.process for initiator
- */
-static status_t process_i(private_ike_cert_t *this, message_t *message)
-{
- if (message->get_exchange_type(message) == IKE_SA_INIT)
- {
- process_certreqs(this, message);
- return NEED_MORE;
- }
-
- process_certs(this, message);
- return SUCCESS;
-}
-
-/**
- * Implementation of task_t.get_type
- */
-static task_type_t get_type(private_ike_cert_t *this)
-{
- return IKE_CERT;
-}
-
-/**
- * Implementation of task_t.migrate
- */
-static void migrate(private_ike_cert_t *this, ike_sa_t *ike_sa)
-{
- this->ike_sa = ike_sa;
-
- this->cas->destroy_function(this->cas, free);
- this->cas = linked_list_create();
- this->certreq_seen = FALSE;
-}
-
-/**
- * Implementation of task_t.destroy
- */
-static void destroy(private_ike_cert_t *this)
-{
- this->cas->destroy_function(this->cas, free);
- free(this);
-}
-
-/*
- * Described in header.
- */
-ike_cert_t *ike_cert_create(ike_sa_t *ike_sa, bool initiator)
-{
- private_ike_cert_t *this = malloc_thing(private_ike_cert_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;
- this->cas = linked_list_create();
- this->certreq_seen = FALSE;
-
- return &this->public;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-13 01:48:35 +0000