The Tcpdump Group git mirrors - tcpdump/blob - appletalk.h

   1 /*
   2  * Copyright (c) 1988, 1989, 1990, 1993, 1994, 1995, 1996
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that: (1) source code distributions
   7  * retain the above copyright notice and this paragraph in its entirety, (2)
   8  * distributions including binary code include the above copyright notice and
   9  * this paragraph in its entirety in the documentation or other materials
  10  * provided with the distribution, and (3) all advertising materials mentioning
  11  * features or use of this software display the following acknowledgement:
  12  * ``This product includes software developed by the University of California,
  13  * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
  14  * the University nor the names of its contributors may be used to endorse
  15  * or promote products derived from this software without specific prior
  16  * written permission.
  17  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
  18  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
  19  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  20  *
  21  * AppleTalk protocol formats (courtesy Bill Croft of Stanford/SUMEX).
  22  *
  23  * @(#) $Header: /tcpdump/master/tcpdump/appletalk.h,v 1.16 2004-05-01 09:41:50 hannes Exp $ (LBL)
  24  */
  25
  26 struct LAP {
  27         u_int8_t        dst;
  28         u_int8_t        src;
  29         u_int8_t        type;
  30 };
  31 #define lapShortDDP     1       /* short DDP type */
  32 #define lapDDP          2       /* DDP type */
  33 #define lapKLAP         'K'     /* Kinetics KLAP type */
  34
  35 /* Datagram Delivery Protocol */
  36
  37 struct atDDP {
  38         u_int16_t       length;
  39         u_int16_t       checksum;
  40         u_int16_t       dstNet;
  41         u_int16_t       srcNet;
  42         u_int8_t        dstNode;
  43         u_int8_t        srcNode;
  44         u_int8_t        dstSkt;
  45         u_int8_t        srcSkt;
  46         u_int8_t        type;
  47 };
  48
  49 struct atShortDDP {
  50         u_int16_t       length;
  51         u_int8_t        dstSkt;
  52         u_int8_t        srcSkt;
  53         u_int8_t        type;
  54 };
  55
  56 #define ddpMaxWKS       0x7F
  57 #define ddpMaxData      586
  58 #define ddpLengthMask   0x3FF
  59 #define ddpHopShift     10
  60 #define ddpSize         13      /* size of DDP header (avoid struct padding) */
  61 #define ddpSSize        5
  62 #define ddpWKS          128     /* boundary of DDP well known sockets */
  63 #define ddpRTMP         1       /* RTMP type */
  64 #define ddpRTMPrequest  5       /* RTMP request type */
  65 #define ddpNBP          2       /* NBP type */
  66 #define ddpATP          3       /* ATP type */
  67 #define ddpECHO         4       /* ECHO type */
  68 #define ddpIP           22      /* IP type */
  69 #define ddpARP          23      /* ARP type */
  70 #define ddpEIGRP        88      /* EIGRP over Appletalk */
  71 #define ddpKLAP         0x4b    /* Kinetics KLAP type */
  72
  73
  74 /* AppleTalk Transaction Protocol */
  75
  76 struct atATP {
  77         u_int8_t        control;
  78         u_int8_t        bitmap;
  79         u_int16_t       transID;
  80         int32_t userData;
  81 };
  82
  83 #define atpReqCode      0x40
  84 #define atpRspCode      0x80
  85 #define atpRelCode      0xC0
  86 #define atpXO           0x20
  87 #define atpEOM          0x10
  88 #define atpSTS          0x08
  89 #define atpFlagMask     0x3F
  90 #define atpControlMask  0xF8
  91 #define atpMaxNum       8
  92 #define atpMaxData      578
  93
  94
  95 /* AppleTalk Echo Protocol */
  96
  97 struct atEcho {
  98         u_int8_t        echoFunction;
  99         u_int8_t        *echoData;
 100 };
 101
 102 #define echoSkt         4               /* the echoer socket */
 103 #define echoSize        1               /* size of echo header */
 104 #define echoRequest     1               /* echo request */
 105 #define echoReply       2               /* echo request */
 106
 107
 108 /* Name Binding Protocol */
 109
 110 struct atNBP {
 111         u_int8_t        control;
 112         u_int8_t        id;
 113 };
 114
 115 struct atNBPtuple {
 116         u_int16_t       net;
 117         u_int8_t        node;
 118         u_int8_t        skt;
 119         u_int8_t        enumerator;
 120 };
 121
 122 #define nbpBrRq         0x10
 123 #define nbpLkUp         0x20
 124 #define nbpLkUpReply    0x30
 125
 126 #define nbpNIS          2
 127 #define nbpTupleMax     15
 128
 129 #define nbpHeaderSize   2
 130 #define nbpTupleSize    5
 131
 132 #define nbpSkt          2               /* NIS */
 133
 134
 135 /* Routing Table Maint. Protocol */
 136
 137 #define rtmpSkt         1       /* number of RTMP socket */
 138 #define rtmpSize        4       /* minimum size */
 139 #define rtmpTupleSize   3
 140
 141
 142 /* Zone Information Protocol */
 143
 144 struct zipHeader {
 145         u_int8_t        command;
 146         u_int8_t        netcount;
 147 };
 148
 149 #define zipHeaderSize   2
 150 #define zipQuery        1
 151 #define zipReply        2
 152 #define zipTakedown     3
 153 #define zipBringup      4
 154 #define ddpZIP          6
 155 #define zipSkt          6
 156 #define GetMyZone       7
 157 #define GetZoneList     8
 158
 159 /*
 160  * UDP port range used for ddp-in-udp encapsulation is 16512-16639
 161  * for client sockets (128-255) and 200-327 for server sockets
 162  * (0-127).  We also try to recognize the pre-April 88 server
 163  * socket range of 768-895.
 164  */
 165 #define atalk_port(p) \
 166         (((unsigned)((p) - 16512) < 128) || \
 167          ((unsigned)((p) - 200) < 128) || \
 168          ((unsigned)((p) - 768) < 128))