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/* $OpenBSD: handle_message_reject.c,v 1.4 2001/01/28 22:45:09 niklas Exp $ */
/*
* Copyright 1997-2000 Niels Provos <provos@citi.umich.edu>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Niels Provos.
* 4. 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.
*/
/*
* handle_message_reject:
* receive a MESSAGE_REJECT packet; return -1 on failure, 0 on success
*
*/
#ifndef lint
static char rcsid[] = "$OpenBSD: handle_message_reject.c,v 1.4 2001/01/28 22:45:09 niklas Exp $";
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "config.h"
#include "photuris.h"
#include "packets.h"
#include "state.h"
#include "cookie.h"
#include "buffer.h"
#include "packet.h"
#include "schedule.h"
#include "log.h"
int
handle_message_reject(u_char *packet, int size, char *address)
{
struct message_reject *header;
struct stateob *st;
if (size != MESSAGE_REJECT_PACKET_SIZE)
return -1; /* packet too small/big */
header = (struct message_reject *) packet;
if ((st = state_find_cookies(address, header->icookie,
header->rcookie)) == NULL) {
log_print("No state for MESSAGE_REJECT message from %s",
address);
return -1;
}
log_print("Received MESSAGE_REJECT from %s on message type %d "
"offending offset %d", address, header->badtype,
header->offset);
return 0;
}
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