traceroute.h

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/***************************************************************************
 * traceroute.h -- Traces the route a packet takes to a host               *
 *                                                                         *
 ***********************IMPORTANT NMAP LICENSE TERMS************************
 *                                                                         *
 * The Nmap Security Scanner is (C) 1996-2004 Insecure.Com LLC. Nmap       *
 * is also a registered trademark of Insecure.Com LLC.  This program is    *
 * free software; you may redistribute and/or modify it under the          *
 * terms of the GNU General Public License as published by the Free        *
 * Software Foundation; Version 2.  This guarantees your right to use,     *
 * modify, and redistribute this software under certain conditions.  If    *
 * you wish to embed Nmap technology into proprietary software, we may be  *
 * willing to sell alternative licenses (contact [e-mail]).      *
 * Many security scanner vendors already license Nmap technology such as  *
 * our remote OS fingerprinting database and code, service/version         *
 * detection system, and port scanning code.                               *
 *                                                                         *
 * Note that the GPL places important restrictions on "derived works", yet *
 * it does not provide a detailed definition of that term.  To avoid       *
 * misunderstandings, we consider an application to constitute a           *
 * "derivative work" for the purpose of this license if it does any of the *
 * following:                                                              *
 * o Integrates source code from Nmap                                      *
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 *   not derivative works.)                                                * 
 * o Integrates/includes/aggregates Nmap into a proprietary executable     *
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 * o Links to a library or executes a program that does any of the above   *
 *                                                                         *
 * The term "Nmap" should be taken to also include any portions or derived *
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 * example, nothing stops you from writing and selling a proprietary       *
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 *                                                                         *
 * We don't consider these to be added restrictions on top of the GPL, but *
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 * Torvalds has announced his interpretation of how "derived works"        *
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 * Nmap - we don't speak for any other GPL products.                       *
 *                                                                         *
 * If you have any questions about the GPL licensing restrictions on using *
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 * we also offer alternative license to integrate Nmap into proprietary    *
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 * the continued development of Nmap technology.  Please email             *
 * [e-mail] for further information.                             *
 *                                                                         *
 * As a special exception to the GPL terms, Insecure.Com LLC grants        *
 * permission to link the code of this program with any version of the     *
 * OpenSSL library which is distributed under a license identical to that  *
 * listed in the included Copying.OpenSSL file, and distribute linked      *
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 * but you are not obligated to do so.                                     *
 *                                                                         *
 * If you received these files with a written license agreement or         *
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 * alternative license agreement takes precedence over these comments.     *
 *                                                                         *
 * Source is provided to this software because we believe users have a     *
 * right to know exactly what a program is going to do before they run it. *
 * This also allows you to audit the software for security holes (none     *
 * have been found so far).                                                *
 *                                                                         *
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 * to [e-mail] for possible incorporation into the main         *
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 * to reuse, modify, and relicense the code.  Nmap will always be          *
 * available Open Source, but this is important because the inability to   *
 * relicense code has caused devastating problems for other Free Software  *
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 * send them.                                                              *
 *                                                                         *
 * 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 at                              *
 * http://www.gnu.org/copyleft/gpl.html , or in the COPYING file included  *
 * with Nmap.                                                              *
 *                                                                         *
 ***************************************************************************
 *
 * Eddie Bell <[e-mail]>  
 * See Traceroute.cc for an indepth explanation
 */

#include "Target.h"

#include <vector>

/* Probe types */
#define PROBE_TRACE 0
#define PROBE_TTL 1

/* Probe states */
#define P_TIMEDOUT 0            /* probe has timedout */
#define P_RETRANS 1             /* probe needs to be retransmitted */
#define P_OK 2                  /* waiting for response or received response */

/* Group states */
#define G_OK P_OK
#define G_DEAD_TTL 3            /* TTL has reached maximum value */
#define G_ALIVE_TTL 4            /* TTL has reached maximum value */
#define G_FINISH 5         /* tracing has complete successfully */

#define G_TTL(x) (x == G_ALIVE_TTL || x == G_DEAD_TTL)

#define MAX_TTL 50

#define HOP_COL 0
#define RTT_COL 1
#define HOST_COL 2

#define NAMEIPLEN MAXHOSTNAMELEN+INET6_ADDRSTRLEN

#ifndef ICMP_ECHOREPLY
 #define ICMP_ECHOREPLY 0
#endif
#ifndef ICMP_DEST_UNREACH
 #define ICMP_DEST_UNREACH 3
#endif
#ifndef ICMP_ECHO
 #define ICMP_ECHO 8
#endif
#ifndef ICMP_TIME_EXCEEDED
 #define ICMP_TIME_EXCEEDED 11
#endif
#ifndef ICMP_TIMESTAMP
 #define ICMP_TIMESTAMP 13
#endif
#ifndef ICMP_TIMESTAMPREPLY
 #define ICMP_TIMESTAMPREPLY 14
#endif
#ifndef ICMP_ADDRESS
 #define ICMP_ADDRESS 17
#endif
#ifndef ICMP_ADDRESSREPLY
 #define ICMP_ADDRESSREPLY 18
#endif
#ifndef ICMP_HOST_UNREACH
 #define ICMP_HOST_UNREACH 1
#endif
#ifndef ICMP_PROT_UNREACH
 #define ICMP_PROT_UNREACH 2
#endif
#ifndef ICMP_PORT_UNREACH
 #define ICMP_PORT_UNREACH 3
#endif
#ifndef ICMP_NET_ANO
 #define ICMP_NET_ANO 9
#endif
#ifndef ICMP_HOST_ANO
 #define ICMP_HOST_ANO 10
#endif
#ifndef ICMP_PKT_FILTERED
 #define ICMP_PKT_FILTERED 13
#endif

class NmapOutputTable;

/* various pieces of scan data used by
 * traceroute to find responsive ports
 * and match probes */
struct scan_info {
    u8 initial_proto;
    u8 icmp_type;
    u8 scan_flags;
    u8 open_response;
    u8 open_state;
    u8 closed_response;
    u8 closed_state;
};