epan/dissectors/packet-gnutella.h

   1 /* packet-gnutella.h
   2  * Declarations for gnutella dissection
   3  * Copyright 2001, B. Johannessen <bob@havoq.com>
   4  *
   5  * $Id$
   6  *
   7  * Wireshark - Network traffic analyzer
   8  * By Gerald Combs <gerald@wireshark.org>
   9  * Copyright 1998 Gerald Combs
  10  *
  11  * This program is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU General Public License
  13  * as published by the Free Software Foundation; either version 2
  14  * of the License, or (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  24  */
  25
  26 void proto_register_gnutella(void);
  27
  28 #define GNUTELLA_TCP_PORT       6346
  29
  30 /*
  31  * Used to determine whether a chunk of data looks like a Gnutella packet
  32  * or not - it might be a transfer stream, or it might be part of a
  33  * Gnutella packet that starts in an earlier missing TCP segment.
  34  *
  35  * One Gnutella spec says packets SHOULD be no bigger than 4K, although
  36  * that's SHOULD, not MUST.
  37  */
  38 #define GNUTELLA_MAX_SNAP_SIZE  4096
  39
  40 #define GNUTELLA_UNKNOWN_NAME   "Unknown"
  41 #define GNUTELLA_PING           0x00
  42 #define GNUTELLA_PING_NAME      "Ping"
  43 #define GNUTELLA_PONG           0x01
  44 #define GNUTELLA_PONG_NAME      "Pong"
  45 #define GNUTELLA_PUSH           0x40
  46 #define GNUTELLA_PUSH_NAME      "Push"
  47 #define GNUTELLA_QUERY          0x80
  48 #define GNUTELLA_QUERY_NAME     "Query"
  49 #define GNUTELLA_QUERYHIT       0x81
  50 #define GNUTELLA_QUERYHIT_NAME  "QueryHit"
  51
  52 #define GNUTELLA_HEADER_LENGTH          23
  53 #define GNUTELLA_SERVENT_ID_LENGTH      16
  54 #define GNUTELLA_PORT_LENGTH            2
  55 #define GNUTELLA_IP_LENGTH              4
  56 #define GNUTELLA_LONG_LENGTH            4
  57 #define GNUTELLA_SHORT_LENGTH           2
  58 #define GNUTELLA_BYTE_LENGTH            1
  59
  60 #define GNUTELLA_PONG_LENGTH            14
  61 #define GNUTELLA_PONG_PORT_OFFSET       0
  62 #define GNUTELLA_PONG_IP_OFFSET         2
  63 #define GNUTELLA_PONG_FILES_OFFSET      6
  64 #define GNUTELLA_PONG_KBYTES_OFFSET     10
  65
  66 #define GNUTELLA_QUERY_SPEED_OFFSET     0
  67 #define GNUTELLA_QUERY_SEARCH_OFFSET    2
  68
  69 #define GNUTELLA_QUERYHIT_HEADER_LENGTH         11
  70 #define GNUTELLA_QUERYHIT_COUNT_OFFSET          0
  71 #define GNUTELLA_QUERYHIT_PORT_OFFSET           1
  72 #define GNUTELLA_QUERYHIT_IP_OFFSET             3
  73 #define GNUTELLA_QUERYHIT_SPEED_OFFSET          7
  74 #define GNUTELLA_QUERYHIT_FIRST_HIT_OFFSET      11
  75 #define GNUTELLA_QUERYHIT_HIT_INDEX_OFFSET      0
  76 #define GNUTELLA_QUERYHIT_HIT_SIZE_OFFSET       4
  77 #define GNUTELLA_QUERYHIT_END_OF_STRING_LENGTH  2
  78
  79 #define GNUTELLA_PUSH_SERVENT_ID_OFFSET         0
  80 #define GNUTELLA_PUSH_INDEX_OFFSET              16
  81 #define GNUTELLA_PUSH_IP_OFFSET                 20
  82 #define GNUTELLA_PUSH_PORT_OFFSET               24
  83
  84 #define GNUTELLA_HEADER_ID_OFFSET               0
  85 #define GNUTELLA_HEADER_PAYLOAD_OFFSET          16
  86 #define GNUTELLA_HEADER_TTL_OFFSET              17
  87 #define GNUTELLA_HEADER_HOPS_OFFSET             18
  88 #define GNUTELLA_HEADER_SIZE_OFFSET             19