187 lines
4.4 KiB
C
187 lines
4.4 KiB
C
/**
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* @file ike_sa_id.c
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*
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* @brief Implementation of ike_sa_id_t.
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*
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*/
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/*
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* Copyright (C) 2005 Jan Hutter, Martin Willi
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* 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_sa_id.h"
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#include <utils/allocator.h>
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typedef struct private_ike_sa_id_t private_ike_sa_id_t;
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/**
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* Private data of an ike_sa_id_t object.
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*/
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struct private_ike_sa_id_t {
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/**
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* Public interface of ike_sa_id_t.
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*/
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ike_sa_id_t public;
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/**
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* SPI of Initiator.
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*/
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u_int64_t initiator_spi;
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/**
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* SPI of Responder.
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*/
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u_int64_t responder_spi;
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/**
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* Role for specific IKE_SA.
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*/
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bool is_initiator_flag;
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};
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/**
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* Implementation of ike_sa_id_t.set_responder_spi.
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*/
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static void set_responder_spi (private_ike_sa_id_t *this, u_int64_t responder_spi)
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{
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this->responder_spi = responder_spi;
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}
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/**
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* Implementation of ike_sa_id_t.set_initiator_spi.
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*/
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static void set_initiator_spi(private_ike_sa_id_t *this, u_int64_t initiator_spi)
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{
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this->initiator_spi = initiator_spi;
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}
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/**
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* Implementation of ike_sa_id_t.get_initiator_spi.
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*/
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static u_int64_t get_initiator_spi (private_ike_sa_id_t *this)
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{
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return this->initiator_spi;
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}
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/**
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* Implementation of ike_sa_id_t.get_responder_spi.
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*/
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static u_int64_t get_responder_spi (private_ike_sa_id_t *this)
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{
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return this->responder_spi;
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}
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/**
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* Implementation of ike_sa_id_t.equals.
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*/
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static bool equals (private_ike_sa_id_t *this, private_ike_sa_id_t *other)
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{
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if (other == NULL)
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{
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return FALSE;
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}
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if ((this->is_initiator_flag == other->is_initiator_flag) &&
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(this->initiator_spi == other->initiator_spi) &&
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(this->responder_spi == other->responder_spi))
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{
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/* private_ike_sa_id's are equal */
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return TRUE;
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}
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else
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{
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/* private_ike_sa_id's are not equal */
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return FALSE;
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}
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}
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/**
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* Implementation of ike_sa_id_t.replace_values.
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*/
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static void replace_values(private_ike_sa_id_t *this, private_ike_sa_id_t *other)
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{
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this->initiator_spi = other->initiator_spi;
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this->responder_spi = other->responder_spi;
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this->is_initiator_flag = other->is_initiator_flag;
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}
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/**
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* Implementation of ike_sa_id_t.is_initiator.
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*/
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static bool is_initiator(private_ike_sa_id_t *this)
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{
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return this->is_initiator_flag;
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}
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/**
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* Implementation of ike_sa_id_t.switch_initiator.
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*/
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static bool switch_initiator(private_ike_sa_id_t *this)
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{
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if (this->is_initiator_flag)
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{
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this->is_initiator_flag = FALSE;
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}
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else
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{
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this->is_initiator_flag = TRUE;
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}
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return this->is_initiator_flag;
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}
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/**
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* Implementation of ike_sa_id_t.clone.
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*/
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static ike_sa_id_t* clone(private_ike_sa_id_t *this)
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{
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return ike_sa_id_create(this->initiator_spi, this->responder_spi, this->is_initiator_flag);
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}
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/**
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* Implementation of ike_sa_id_t.destroy.
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*/
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static void destroy(private_ike_sa_id_t *this)
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{
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allocator_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_sa_id_t * ike_sa_id_create(u_int64_t initiator_spi, u_int64_t responder_spi, bool is_initiator_flag)
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{
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private_ike_sa_id_t *this = allocator_alloc_thing(private_ike_sa_id_t);
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/* public functions */
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this->public.set_responder_spi = (void(*)(ike_sa_id_t*,u_int64_t)) set_responder_spi;
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this->public.set_initiator_spi = (void(*)(ike_sa_id_t*,u_int64_t)) set_initiator_spi;
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this->public.get_responder_spi = (u_int64_t(*)(ike_sa_id_t*)) get_responder_spi;
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this->public.get_initiator_spi = (u_int64_t(*)(ike_sa_id_t*)) get_initiator_spi;
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this->public.equals = (bool(*)(ike_sa_id_t*,ike_sa_id_t*)) equals;
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this->public.replace_values = (void(*)(ike_sa_id_t*,ike_sa_id_t*)) replace_values;
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this->public.is_initiator = (bool(*)(ike_sa_id_t*)) is_initiator;
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this->public.switch_initiator = (bool(*)(ike_sa_id_t*)) switch_initiator;
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this->public.clone = (ike_sa_id_t*(*)(ike_sa_id_t*)) clone;
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this->public.destroy = (void(*)(ike_sa_id_t*))destroy;
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/* private data */
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this->initiator_spi = initiator_spi;
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this->responder_spi = responder_spi;
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this->is_initiator_flag = is_initiator_flag;
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return (&this->public);
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}
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