/*
 *  $Id: firewalk.h,v 1.1.1.1 1999/04/26 22:44:52 route Exp $
 *
 *  Firewalk
 *  firewalk interface
 *
 *  Copyright (c) 1999 Mike D. Schiffman <mike@infonexus.com>
 *  Copyright (c) 1998 Mike D. Schiffman <mds@es2.net>
 *  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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
 *
 */

#ifndef _FIREWALK_H
#define _FIREWALK_H

#include "./main.h"
#include "./firepack.h"

/*
 *  Various minimums and maximums.
 */
#define PORT_MAX            65535
#define PORT_MIN            0
#define WRITE_PAUSE_MAX     2000
#define WRITE_PAUSE_MIN     1
#define RED_CNT_MAX         10
#define RED_CNT_MIN         1
#define PCAP_TIMEOUT_MAX    1000
#define PCAP_TIMEOUT_MIN    1
#define IP_HOP_MAX          25
#define IP_HOP_MIN          1
#define XV_MAX              8
#define XV_MIN              1
#define WRITE_PAUSE         0 /* default pause before writing to the network */

/*
 *  Host reply types.
 */
#define UNREACH_GW_REPLY    1
#define EXPIRED_GW_REPLY    2
#define UNREACH_DEST_REPLY  3
#define EXPIRED_DEST_REPLY  4
#define UNREACH_REPLY       5
#define EXPIRED_REPLY       6
#define NO_REPLY            7


/*
 *  Sets up the sniffer and starts the walk.
 */
void
firewalk();


/*
 *  Does the walk.
 */
void
udptcpwalk();


#endif /* _FIREWALK_H */

/* EOF */
