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/**
* @file ike_sa_id.c
*
* @brief Class for identification of an IKE_SA
*
*/
/*
* Copyright (C) 2005 Jan Hutter, 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 <stdlib.h>
#include <string.h>
#include "ike_sa_id.h"
#include "types.h"
#include "utils/allocator.h"
/**
* Private data of an ike_sa_id object
*/
typedef struct private_ike_sa_id_s private_ike_sa_id_t;
struct private_ike_sa_id_s {
/**
* Public part of a ike_sa_id object
*/
ike_sa_id_t public;
/* Private values */
/**
* SPI of Initiator
*/
spi_t initiator_spi;
/**
* SPI of Responder
*/
spi_t responder_spi;
/**
* Role for specific IKE_SA
*/
ike_sa_role_t role;
};
/**
* @brief implements function set_responder_spi of ike_sa_id_t
*/
static status_t set_responder_spi (private_ike_sa_id_t *this, spi_t responder_spi)
{
this->responder_spi = responder_spi;
return SUCCESS;
}
static status_t set_initiator_spi(private_ike_sa_id_t *this, spi_t initiator_spi)
{
this->initiator_spi = initiator_spi;
return SUCCESS;
}
/**
* @brief implements function initiator_spi_is_set of ike_sa_id_t
*/
static bool initiator_spi_is_set (private_ike_sa_id_t *this)
{
return (!((this->initiator_spi.high == 0) && (this->initiator_spi.low == 0)));
}
/**
* @brief implements function responder_spi_is_set of ike_sa_id_t
*/
static bool responder_spi_is_set (private_ike_sa_id_t *this)
{
return (!((this->responder_spi.high == 0) && (this->responder_spi.low == 0)));
}
/**
* @brief implements function equals of ike_sa_id_t
*/
static status_t equals (private_ike_sa_id_t *this,private_ike_sa_id_t *other, bool *are_equal)
{
if ((this == NULL)||(other == NULL))
{
return FAILED;
}
if ( (this->role == other->role) &&
(this->initiator_spi.high == other->initiator_spi.high) &&
(this->initiator_spi.low == other->initiator_spi.low) &&
(this->responder_spi.high == other->responder_spi.high) &&
(this->responder_spi.low == other->responder_spi.low))
{
/* private_ike_sa_id's are equal */
*are_equal = TRUE;
}
else
{
/* private_ike_sa_id's are not equal */
*are_equal = FALSE;
}
return SUCCESS;
}
/**
* @brief implements function replace_values of ike_sa_id_t
*/
status_t replace_values (private_ike_sa_id_t *this, private_ike_sa_id_t *other)
{
if ((this == NULL) || (other == NULL))
{
return FAILED;
}
this->initiator_spi = other->initiator_spi;
this->responder_spi = other->responder_spi;
this->role = other->role;
return SUCCESS;
}
/**
* @brief implements function ike_sa_id_t.get_values
*/
static status_t get_values(private_ike_sa_id_t *this, spi_t *initiator, spi_t *responder, ike_sa_role_t *role)
{
memcpy(initiator, &(this->initiator_spi), sizeof(initiator));
memcpy(responder, &(this->responder_spi), sizeof(responder));
*role = this->role;
return SUCCESS;
}
/**
* @brief implements function clone of ike_sa_id_t
*/
static status_t clone (private_ike_sa_id_t *this, ike_sa_id_t **clone_of_this)
{
*clone_of_this = ike_sa_id_create(this->initiator_spi, this->responder_spi, this->role);
return (*clone_of_this == NULL) ? OUT_OF_RES : SUCCESS;
}
/**
* @brief implements function destroy of ike_sa_id_t
*/
static status_t destroy (private_ike_sa_id_t *this)
{
allocator_free(this);
return SUCCESS;
}
/*
* Described in Header-File
*/
ike_sa_id_t * ike_sa_id_create(spi_t initiator_spi, spi_t responder_spi, ike_sa_role_t role)
{
private_ike_sa_id_t *this = allocator_alloc_thing(private_ike_sa_id_t);
if (this == NULL)
{
return NULL;
}
/* Public functions */
this->public.set_responder_spi = (status_t(*)(ike_sa_id_t*,spi_t)) set_responder_spi;
this->public.set_initiator_spi = (status_t(*)(ike_sa_id_t*,spi_t)) set_initiator_spi;
this->public.responder_spi_is_set = (bool(*)(ike_sa_id_t*)) responder_spi_is_set;
this->public.initiator_spi_is_set = (bool(*)(ike_sa_id_t*)) initiator_spi_is_set;
this->public.equals = (status_t(*)(ike_sa_id_t*,ike_sa_id_t*,bool*)) equals;
this->public.replace_values = (status_t(*)(ike_sa_id_t*,ike_sa_id_t*)) replace_values;
this->public.get_values = (status_t(*)(ike_sa_id_t*,spi_t*,spi_t*,ike_sa_role_t*)) get_values;
this->public.clone = (status_t(*)(ike_sa_id_t*,ike_sa_id_t**)) clone;
this->public.destroy = (status_t(*)(ike_sa_id_t*))destroy;
/* private data */
this->initiator_spi = initiator_spi;
this->responder_spi = responder_spi;
this->role = role;
return (&this->public);
}
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