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/*
* Copyright (C) 2015 Tobias Brunner
* HSR 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_verify_peer_cert.h"
#include <daemon.h>
#include <sa/ikev2/tasks/ike_delete.h>
typedef struct private_ike_verify_peer_cert_t private_ike_verify_peer_cert_t;
/**
* Private members
*/
struct private_ike_verify_peer_cert_t {
/**
* Public methods and task_t interface.
*/
ike_verify_peer_cert_t public;
/**
* Assigned IKE_SA.
*/
ike_sa_t *ike_sa;
/**
* Child ike_delete task, if necessary
*/
ike_delete_t *ike_delete;
};
METHOD(task_t, build_i, status_t,
private_ike_verify_peer_cert_t *this, message_t *message)
{
if (!this->ike_sa->verify_peer_certificate(this->ike_sa))
{
DBG1(DBG_IKE, "peer certificate verification failed, deleting SA");
this->ike_delete = ike_delete_create(this->ike_sa, TRUE);
return this->ike_delete->task.build(&this->ike_delete->task, message);
}
DBG1(DBG_IKE, "peer certificate successfully verified");
message->set_exchange_type(message, EXCHANGE_TYPE_UNDEFINED);
return SUCCESS;
}
METHOD(task_t, process_i, status_t,
private_ike_verify_peer_cert_t *this, message_t *message)
{
if (this->ike_delete)
{
this->ike_delete->task.process(&this->ike_delete->task, message);
/* try to reestablish the IKE_SA and all children */
this->ike_sa->reestablish(this->ike_sa);
}
return DESTROY_ME;
}
METHOD(task_t, get_type, task_type_t,
private_ike_verify_peer_cert_t *this)
{
return TASK_IKE_VERIFY_PEER_CERT;
}
METHOD(task_t, migrate, void,
private_ike_verify_peer_cert_t *this, ike_sa_t *ike_sa)
{
if (this->ike_delete)
{
this->ike_delete->task.migrate(&this->ike_delete->task, ike_sa);
}
this->ike_sa = ike_sa;
}
METHOD(task_t, destroy, void,
private_ike_verify_peer_cert_t *this)
{
if (this->ike_delete)
{
this->ike_delete->task.destroy(&this->ike_delete->task);
}
free(this);
}
/*
* Described in header.
*/
ike_verify_peer_cert_t *ike_verify_peer_cert_create(ike_sa_t *ike_sa)
{
private_ike_verify_peer_cert_t *this;
INIT(this,
.public = {
.task = {
.get_type = _get_type,
.migrate = _migrate,
.build = _build_i,
.process = _process_i,
.destroy = _destroy,
},
},
.ike_sa = ike_sa,
);
return &this->public;
}
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