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/*
* 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>
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;
/**
* SPI of Initiator.
*/
u_int64_t initiator_spi;
/**
* SPI of Responder.
*/
u_int64_t responder_spi;
/**
* Role for specific IKE_SA.
*/
bool is_initiator_flag;
};
/**
* Implementation of ike_sa_id_t.set_responder_spi.
*/
static void set_responder_spi (private_ike_sa_id_t *this, u_int64_t responder_spi)
{
this->responder_spi = responder_spi;
}
/**
* Implementation of ike_sa_id_t.set_initiator_spi.
*/
static void set_initiator_spi(private_ike_sa_id_t *this, u_int64_t initiator_spi)
{
this->initiator_spi = initiator_spi;
}
/**
* Implementation of ike_sa_id_t.get_initiator_spi.
*/
static u_int64_t get_initiator_spi (private_ike_sa_id_t *this)
{
return this->initiator_spi;
}
/**
* Implementation of ike_sa_id_t.get_responder_spi.
*/
static u_int64_t get_responder_spi (private_ike_sa_id_t *this)
{
return this->responder_spi;
}
/**
* Implementation of ike_sa_id_t.equals.
*/
static bool equals (private_ike_sa_id_t *this, private_ike_sa_id_t *other)
{
if (other == NULL)
{
return FALSE;
}
if ((this->is_initiator_flag == other->is_initiator_flag) &&
(this->initiator_spi == other->initiator_spi) &&
(this->responder_spi == other->responder_spi))
{
/* private_ike_sa_id's are equal */
return TRUE;
}
else
{
/* private_ike_sa_id's are not equal */
return FALSE;
}
}
/**
* Implementation of ike_sa_id_t.replace_values.
*/
static void replace_values(private_ike_sa_id_t *this, private_ike_sa_id_t *other)
{
this->initiator_spi = other->initiator_spi;
this->responder_spi = other->responder_spi;
this->is_initiator_flag = other->is_initiator_flag;
}
/**
* Implementation of ike_sa_id_t.is_initiator.
*/
static bool is_initiator(private_ike_sa_id_t *this)
{
return this->is_initiator_flag;
}
/**
* Implementation of ike_sa_id_t.switch_initiator.
*/
static bool switch_initiator(private_ike_sa_id_t *this)
{
if (this->is_initiator_flag)
{
this->is_initiator_flag = FALSE;
}
else
{
this->is_initiator_flag = TRUE;
}
return this->is_initiator_flag;
}
/**
* Implementation of ike_sa_id_t.clone.
*/
static ike_sa_id_t* clone_(private_ike_sa_id_t *this)
{
return ike_sa_id_create(this->initiator_spi, this->responder_spi, this->is_initiator_flag);
}
/**
* Implementation of ike_sa_id_t.destroy.
*/
static void destroy(private_ike_sa_id_t *this)
{
free(this);
}
/*
* Described in header.
*/
ike_sa_id_t * ike_sa_id_create(u_int64_t initiator_spi, u_int64_t responder_spi, bool is_initiator_flag)
{
private_ike_sa_id_t *this = malloc_thing(private_ike_sa_id_t);
/* public functions */
this->public.set_responder_spi = (void(*)(ike_sa_id_t*,u_int64_t)) set_responder_spi;
this->public.set_initiator_spi = (void(*)(ike_sa_id_t*,u_int64_t)) set_initiator_spi;
this->public.get_responder_spi = (u_int64_t(*)(ike_sa_id_t*)) get_responder_spi;
this->public.get_initiator_spi = (u_int64_t(*)(ike_sa_id_t*)) get_initiator_spi;
this->public.equals = (bool(*)(ike_sa_id_t*,ike_sa_id_t*)) equals;
this->public.replace_values = (void(*)(ike_sa_id_t*,ike_sa_id_t*)) replace_values;
this->public.is_initiator = (bool(*)(ike_sa_id_t*)) is_initiator;
this->public.switch_initiator = (bool(*)(ike_sa_id_t*)) switch_initiator;
this->public.clone = (ike_sa_id_t*(*)(ike_sa_id_t*)) clone_;
this->public.destroy = (void(*)(ike_sa_id_t*))destroy;
/* private data */
this->initiator_spi = initiator_spi;
this->responder_spi = responder_spi;
this->is_initiator_flag = is_initiator_flag;
return &this->public;
}
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