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/*
* Copyright (C) 2012 Tobias Brunner
* Copyright (C) 2005-2006 Martin Willi
* Copyright (C) 2005 Jan Hutter
* 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_sa_id.h"
#include <stdio.h>
#include <encoding/payloads/ike_header.h>
typedef struct private_ike_sa_id_t private_ike_sa_id_t;
/**
* Private data of an ike_sa_id_t object.
*/
struct private_ike_sa_id_t {
/**
* Public interface of ike_sa_id_t.
*/
ike_sa_id_t public;
/**
* Major IKE version of IKE_SA.
*/
uint8_t ike_version;
/**
* SPI of initiator.
*/
uint64_t initiator_spi;
/**
* SPI of responder.
*/
uint64_t responder_spi;
/**
* Role for specific IKE_SA.
*/
bool is_initiator_flag;
};
METHOD(ike_sa_id_t, get_ike_version, uint8_t,
private_ike_sa_id_t *this)
{
return this->ike_version;
}
METHOD(ike_sa_id_t, set_responder_spi, void,
private_ike_sa_id_t *this, uint64_t responder_spi)
{
this->responder_spi = responder_spi;
}
METHOD(ike_sa_id_t, set_initiator_spi, void,
private_ike_sa_id_t *this, uint64_t initiator_spi)
{
this->initiator_spi = initiator_spi;
}
METHOD(ike_sa_id_t, get_initiator_spi, uint64_t,
private_ike_sa_id_t *this)
{
return this->initiator_spi;
}
METHOD(ike_sa_id_t, get_responder_spi, uint64_t,
private_ike_sa_id_t *this)
{
return this->responder_spi;
}
METHOD(ike_sa_id_t, equals, bool,
private_ike_sa_id_t *this, private_ike_sa_id_t *other)
{
if (other == NULL)
{
return FALSE;
}
return this->ike_version == other->ike_version &&
(this->ike_version == IKEV1_MAJOR_VERSION ||
this->is_initiator_flag == other->is_initiator_flag) &&
this->initiator_spi == other->initiator_spi &&
this->responder_spi == other->responder_spi;
}
METHOD(ike_sa_id_t, replace_values, void,
private_ike_sa_id_t *this, private_ike_sa_id_t *other)
{
this->ike_version = other->ike_version;
this->initiator_spi = other->initiator_spi;
this->responder_spi = other->responder_spi;
this->is_initiator_flag = other->is_initiator_flag;
}
METHOD(ike_sa_id_t, is_initiator, bool,
private_ike_sa_id_t *this)
{
return this->is_initiator_flag;
}
METHOD(ike_sa_id_t, switch_initiator, bool,
private_ike_sa_id_t *this)
{
this->is_initiator_flag = !this->is_initiator_flag;
return this->is_initiator_flag;
}
METHOD(ike_sa_id_t, clone_, ike_sa_id_t*,
private_ike_sa_id_t *this)
{
return ike_sa_id_create(this->ike_version, this->initiator_spi,
this->responder_spi, this->is_initiator_flag);
}
METHOD(ike_sa_id_t, destroy, void,
private_ike_sa_id_t *this)
{
free(this);
}
/*
* Described in header.
*/
ike_sa_id_t * ike_sa_id_create(uint8_t ike_version, uint64_t initiator_spi,
uint64_t responder_spi, bool is_initiator_flag)
{
private_ike_sa_id_t *this;
INIT(this,
.public = {
.get_ike_version = _get_ike_version,
.set_responder_spi = _set_responder_spi,
.set_initiator_spi = _set_initiator_spi,
.get_responder_spi = _get_responder_spi,
.get_initiator_spi = _get_initiator_spi,
.equals = (void*)_equals,
.replace_values = (void*)_replace_values,
.is_initiator = _is_initiator,
.switch_initiator = _switch_initiator,
.clone = _clone_,
.destroy = _destroy,
},
.ike_version = ike_version,
.initiator_spi = initiator_spi,
.responder_spi = responder_spi,
.is_initiator_flag = is_initiator_flag,
);
return &this->public;
}
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