118 lines
2.7 KiB
C
118 lines
2.7 KiB
C
/*
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* Copyright (C) 2015 Tobias Brunner
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* HSR Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include "ike_verify_peer_cert.h"
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#include <daemon.h>
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#include <sa/ikev2/tasks/ike_delete.h>
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typedef struct private_ike_verify_peer_cert_t private_ike_verify_peer_cert_t;
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/**
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* Private members
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*/
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struct private_ike_verify_peer_cert_t {
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/**
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* Public methods and task_t interface.
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*/
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ike_verify_peer_cert_t public;
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/**
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* Assigned IKE_SA.
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*/
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ike_sa_t *ike_sa;
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/**
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* Child ike_delete task, if necessary
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*/
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ike_delete_t *ike_delete;
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};
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METHOD(task_t, build_i, status_t,
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private_ike_verify_peer_cert_t *this, message_t *message)
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{
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if (!this->ike_sa->verify_peer_certificate(this->ike_sa))
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{
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DBG1(DBG_IKE, "peer certificate verification failed, deleting SA");
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this->ike_delete = ike_delete_create(this->ike_sa, TRUE);
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return this->ike_delete->task.build(&this->ike_delete->task, message);
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}
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DBG1(DBG_IKE, "peer certificate successfully verified");
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message->set_exchange_type(message, EXCHANGE_TYPE_UNDEFINED);
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return SUCCESS;
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}
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METHOD(task_t, process_i, status_t,
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private_ike_verify_peer_cert_t *this, message_t *message)
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{
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if (this->ike_delete)
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{
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this->ike_delete->task.process(&this->ike_delete->task, message);
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/* try to reestablish the IKE_SA and all children */
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this->ike_sa->reestablish(this->ike_sa);
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}
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return DESTROY_ME;
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}
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METHOD(task_t, get_type, task_type_t,
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private_ike_verify_peer_cert_t *this)
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{
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return TASK_IKE_VERIFY_PEER_CERT;
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}
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METHOD(task_t, migrate, void,
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private_ike_verify_peer_cert_t *this, ike_sa_t *ike_sa)
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{
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if (this->ike_delete)
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{
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this->ike_delete->task.migrate(&this->ike_delete->task, ike_sa);
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}
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this->ike_sa = ike_sa;
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}
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METHOD(task_t, destroy, void,
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private_ike_verify_peer_cert_t *this)
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{
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if (this->ike_delete)
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{
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this->ike_delete->task.destroy(&this->ike_delete->task);
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}
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free(this);
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}
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/*
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* Described in header.
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*/
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ike_verify_peer_cert_t *ike_verify_peer_cert_create(ike_sa_t *ike_sa)
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{
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private_ike_verify_peer_cert_t *this;
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INIT(this,
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.public = {
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.task = {
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.get_type = _get_type,
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.migrate = _migrate,
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.build = _build_i,
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.process = _process_i,
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.destroy = _destroy,
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},
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},
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.ike_sa = ike_sa,
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);
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return &this->public;
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}
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