/*
* Copyright (c) 2009 Lukas Mejdrech
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup icmp
* @{
*/
/** @file
* ICMP client interface implementation.
* @see icmp_client.h
*/
#include <errno.h>
#include <sys/types.h>
#include "../../include/icmp_codes.h"
#include "../../include/icmp_client.h"
#include "../../structures/packet/packet.h"
#include "../../structures/packet/packet_client.h"
#include "icmp_header.h"
int icmp_client_process_packet( packet_t packet, icmp_type_t * type, icmp_code_t * code, icmp_param_t * pointer, icmp_param_t * mtu ){
icmp_header_ref header;
header = ( icmp_header_ref ) packet_get_data( packet );
if( ! header ) return ENOMEM;
if( type ) * type = header->type;
if( code ) * code = header->code;
if( pointer ) * pointer = header->un.param.pointer;
if( mtu ) * mtu = header->un.frag.mtu;
return sizeof( icmp_header_t );
}
int icmp_client_header_length( packet_t packet ){
return sizeof( icmp_header_t );
}
/** @}
*/