The Tcpdump Group git mirrors - tcpdump/blob - print-tipc.c

   1 /*
   2  * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
   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
  22 #ifndef lint
  23 static const char rcsid[] _U_ =
  24     "@(#) $Header: /tcpdump/master/tcpdump/print-arp.c,v 1.66 2006-03-03 22:53:21 hannes Exp $ (LBL)";
  25 #endif
  26
  27 #ifdef HAVE_CONFIG_H
  28 #include "config.h"
  29 #endif
  30
  31 #include <tcpdump-stdinc.h>
  32
  33 #include <stdio.h>
  34 #include <string.h>
  35
  36 #include "netdissect.h"
  37 #include "addrtoname.h"
  38 #include "ether.h"
  39 #include "ethertype.h"
  40 #include "extract.h"                    /* must come after interface.h */
  41
  42 /*
  43  * Transparent Inter-Process Communication (TIPC) protocol.
  44  *
  45  *      http://tipc.sourceforge.net/doc/draft-spec-tipc-07.html
  46  *      http://tipc.sourceforge.net/doc/tipc_message_formats.html
  47  */
  48
  49 #define TIPC_USER_LOW_IMPORTANCE        0
  50 #define TIPC_USER_MEDIUM_IMPORTANCE     1
  51 #define TIPC_USER_HIGH_IMPORTANCE       2
  52 #define TIPC_USER_CRITICAL_IMPORTANCE   3
  53 #define TIPC_USER_BCAST_PROTOCOL        5
  54 #define TIPC_USER_MSG_BUNDLER           6
  55 #define TIPC_USER_LINK_PROTOCOL         7
  56 #define TIPC_USER_CONN_MANAGER          8
  57 #define TIPC_USER_CHANGEOVER_PROTOCOL   10
  58 #define TIPC_USER_NAME_DISTRIBUTOR      11
  59 #define TIPC_USER_MSG_FRAGMENTER        12
  60 #define TIPC_USER_LINK_CONFIG           13
  61
  62 #define TIPC_CONN_MSG                   0
  63 #define TIPC_DIRECT_MSG                 1
  64 #define TIPC_NAMED_MSG                  2
  65 #define TIPC_MCAST_MSG                  3
  66
  67 #define TIPC_ZONE(addr)         (((addr) >> 24) & 0xFF)
  68 #define TIPC_CLUSTER(addr)      (((addr) >> 12) & 0xFFF)
  69 #define TIPC_NODE(addr)         (((addr) >> 0) & 0xFFF)
  70
  71 struct tipc_pkthdr {
  72         u_int32_t w0;
  73 };
  74
  75 #define TIPC_VER(w0)            (((w0) >> 29) & 0x07)
  76 #define TIPC_USER(w0)           (((w0) >> 25) & 0x0F)
  77 #define TIPC_HSIZE(w0)          (((w0) >> 21) & 0x0F)
  78 #define TIPC_MSIZE(w0)          (((w0) >> 0) & 0xFFFF)
  79 #define TIPC_MTYPE(w1)          (((w1) >> 29) & 0x07)
  80 #define TIPC_BROADCAST_ACK(w1)  (((w1) >> 0) & 0xFFFF)
  81 #define TIPC_LINK_ACK(w2)       (((w2) >> 16) & 0xFFFF)
  82 #define TIPC_LINK_SEQ(w2)       (((w2) >> 0) & 0xFFFF)
  83
  84 static const struct tok tipcuser_values[] = {
  85     { TIPC_USER_LOW_IMPORTANCE,      "Low Importance Data payload" },
  86     { TIPC_USER_MEDIUM_IMPORTANCE,   "Medium Importance Data payload" },
  87     { TIPC_USER_HIGH_IMPORTANCE,     "High Importance Data payload" },
  88     { TIPC_USER_CRITICAL_IMPORTANCE, "Critical Importance Data payload" },
  89     { TIPC_USER_BCAST_PROTOCOL,      "Broadcast Link Protocol internal" },
  90     { TIPC_USER_MSG_BUNDLER,         "Message Bundler Protocol internal" },
  91     { TIPC_USER_LINK_PROTOCOL,       "Link State Protocol internal" },
  92     { TIPC_USER_CONN_MANAGER,        "Connection Manager internal" },
  93     { TIPC_USER_CHANGEOVER_PROTOCOL, "Link Changeover Protocol internal" },
  94     { TIPC_USER_NAME_DISTRIBUTOR,    "Name Table Update Protocol internal" },
  95     { TIPC_USER_MSG_FRAGMENTER,      "Message Fragmentation Protocol internal" },
  96     { TIPC_USER_LINK_CONFIG,         "Neighbor Detection Protocol internal" },
  97     { 0, NULL }
  98 };
  99
 100 static const struct tok tipcmtype_values[] = {
 101     { TIPC_CONN_MSG,   "CONN_MSG" },
 102     { TIPC_DIRECT_MSG, "MCAST_MSG" },
 103     { TIPC_NAMED_MSG,  "NAMED_MSG" },
 104     { TIPC_MCAST_MSG,  "DIRECT_MSG" },
 105     { 0, NULL }
 106 };
 107
 108 struct payload_tipc_pkthdr {
 109         u_int32_t w0;
 110         u_int32_t w1;
 111         u_int32_t w2;
 112         u_int32_t prev_node;
 113         u_int32_t orig_port;
 114         u_int32_t dest_port;
 115         u_int32_t orig_node;
 116         u_int32_t dest_node;
 117         u_int32_t name_type;
 118         u_int32_t w9;
 119         u_int32_t wA;
 120 };
 121
 122 struct  internal_tipc_pkthdr {
 123         u_int32_t w0;
 124         u_int32_t w1;
 125         u_int32_t w2;
 126         u_int32_t prev_node;
 127         u_int32_t w4;
 128         u_int32_t w5;
 129         u_int32_t orig_node;
 130         u_int32_t dest_node;
 131         u_int32_t trans_seq;
 132         u_int32_t w9;
 133 };
 134
 135 #define TIPC_SEQ_GAP(w1)        (((w1) >> 16) & 0x1FFF)
 136 #define TIPC_BC_GAP_AFTER(w2)   (((w2) >> 16) & 0xFFFF)
 137 #define TIPC_BC_GAP_TO(w2)      (((w2) >> 0) & 0xFFFF)
 138 #define TIPC_LAST_SENT_FRAG(w4) (((w4) >> 16) & 0xFFFF)
 139 #define TIPC_NEXT_SENT_FRAG(w4) (((w4) >> 0) & 0xFFFF)
 140 #define TIPC_SESS_NO(w5)        (((w5) >> 16) & 0xFFFF)
 141 #define TIPC_MSG_CNT(w9)        (((w9) >> 16) & 0xFFFF)
 142 #define TIPC_LINK_TOL(w9)       (((w9) >> 0) & 0xFFFF)
 143
 144 struct link_conf_tipc_pkthdr {
 145         u_int32_t w0;
 146         u_int32_t w1;
 147         u_int32_t dest_domain;
 148         u_int32_t prev_node;
 149         u_int32_t ntwrk_id;
 150         u_int32_t w5;
 151         u_int8_t media_address[16];
 152 };
 153
 154 #define TIPC_NODE_SIG(w1)       (((w1) >> 0) & 0xFFFF)
 155 #define TIPC_MEDIA_ID(w5)       (((w5) >> 0) & 0xFF)
 156
 157 static void
 158 print_payload(netdissect_options *ndo, struct payload_tipc_pkthdr *ap)
 159 {
 160         u_int32_t w0, w1, w2;
 161         u_int user;
 162         u_int hsize;
 163         u_int msize;
 164         u_int mtype;
 165         u_int broadcast_ack;
 166         u_int link_ack;
 167         u_int link_seq;
 168         u_int prev_node;
 169         u_int orig_port;
 170         u_int dest_port;
 171         u_int orig_node;
 172         u_int dest_node;
 173
 174         ND_TCHECK(*ap);
 175         w0 = EXTRACT_32BITS(&ap->w0);
 176         user = TIPC_USER(w0);
 177         hsize = TIPC_HSIZE(w0);
 178         msize = TIPC_MSIZE(w0);
 179         w1 = EXTRACT_32BITS(&ap->w1);
 180         mtype = TIPC_MTYPE(w1);
 181         broadcast_ack = TIPC_BROADCAST_ACK(w1);
 182         w2 = EXTRACT_32BITS(&ap->w2);
 183         link_ack = TIPC_LINK_ACK(w2);
 184         link_seq = TIPC_LINK_SEQ(w2);
 185         orig_node = EXTRACT_32BITS(&ap->orig_node);
 186         orig_port = EXTRACT_32BITS(&ap->orig_port);
 187         dest_node = EXTRACT_32BITS(&ap->dest_node);
 188         dest_port = EXTRACT_32BITS(&ap->dest_port);
 189         prev_node = EXTRACT_32BITS(&ap->prev_node);
 190
 191         ND_PRINT((ndo, "<%u.%u.%u> : %u > <%u.%u.%u> : %u, Previous Node <%u.%u.%u>, Broadcast Ack %u, Link Ack %u, Link Sequence %u, headerlength %u bytes, MessageSize %u bytes, %s messageType %s\n\n",
 192             TIPC_ZONE(orig_node), TIPC_CLUSTER(orig_node), TIPC_NODE(orig_node),
 193             orig_port,
 194             TIPC_ZONE(dest_node), TIPC_CLUSTER(dest_node), TIPC_NODE(dest_node),
 195             dest_port,
 196             TIPC_ZONE(prev_node), TIPC_CLUSTER(prev_node), TIPC_NODE(prev_node),
 197             broadcast_ack, link_ack, link_seq, hsize*4, msize,
 198             tok2str(tipcuser_values, "unknown", user),
 199             tok2str(tipcmtype_values, "Unknown", mtype)));
 200         return;
 201
 202 trunc:
 203         ND_PRINT((ndo, "[|TIPC]"));
 204 }
 205
 206 static void
 207 print_internal(netdissect_options *ndo, struct internal_tipc_pkthdr *ap)
 208 {
 209         u_int32_t w0, w1, w2, w4, w5, w9;
 210         u_int user;
 211         u_int hsize;
 212         u_int msize;
 213         u_int mtype;
 214         u_int seq_gap;
 215         u_int broadcast_ack;
 216         u_int bc_gap_after;
 217         u_int bc_gap_to;
 218         u_int prev_node;
 219         u_int last_sent_frag;
 220         u_int next_sent_frag;
 221         u_int sess_no;
 222         u_int orig_node;
 223         u_int dest_node;
 224         u_int trans_seq;
 225         u_int msg_cnt;
 226         u_int link_tol;
 227
 228         ND_TCHECK(*ap);
 229         w0 = EXTRACT_32BITS(&ap->w0);
 230         user = TIPC_USER(w0);
 231         hsize = TIPC_HSIZE(w0);
 232         msize = TIPC_MSIZE(w0);
 233         w1 = EXTRACT_32BITS(&ap->w1);
 234         mtype = TIPC_MTYPE(w1);
 235         seq_gap = TIPC_SEQ_GAP(w1);
 236         broadcast_ack = TIPC_BROADCAST_ACK(w1);
 237         w2 = EXTRACT_32BITS(&ap->w2);
 238         bc_gap_after = TIPC_BC_GAP_AFTER(w2);
 239         bc_gap_to = TIPC_BC_GAP_TO(w2);
 240         prev_node = EXTRACT_32BITS(&ap->prev_node);
 241         w4 = EXTRACT_32BITS(&ap->w4);
 242         last_sent_frag = TIPC_LAST_SENT_FRAG(w4);
 243         next_sent_frag = TIPC_NEXT_SENT_FRAG(w4);
 244         w5 = EXTRACT_32BITS(&ap->w5);
 245         sess_no = TIPC_SESS_NO(w5);
 246         orig_node = EXTRACT_32BITS(&ap->orig_node);
 247         dest_node = EXTRACT_32BITS(&ap->dest_node);
 248         trans_seq = EXTRACT_32BITS(&ap->trans_seq);
 249         w9 = EXTRACT_32BITS(&ap->w9);
 250         msg_cnt = TIPC_MSG_CNT(w9);
 251         link_tol = TIPC_LINK_TOL(w9);
 252
 253         ND_PRINT((ndo, "<%u.%u.%u> > <%u.%u.%u>, Previous Node <%u.%u.%u>, Session No. %u, Broadcast Ack %u, Sequence Gap %u,  Broadcast Gap After %u, Broadcast Gap To %u, Last Sent Packet No. %u, Next sent Packet No. %u, Transport Sequence %u, msg_count %u, Link Tolerance %u,   headerlength %u bytes, MessageSize %u bytes, %s messageType %s\n\n",
 254             TIPC_ZONE(orig_node), TIPC_CLUSTER(orig_node), TIPC_NODE(orig_node),
 255             TIPC_ZONE(dest_node), TIPC_CLUSTER(dest_node), TIPC_NODE(dest_node),
 256             TIPC_ZONE(prev_node), TIPC_CLUSTER(prev_node), TIPC_NODE(prev_node),
 257             sess_no, broadcast_ack, seq_gap, bc_gap_after, bc_gap_to,
 258             last_sent_frag, next_sent_frag, trans_seq, msg_cnt, link_tol,
 259             hsize*4, msize,
 260             tok2str(tipcuser_values, "unknown", user),
 261             tok2str(tipcmtype_values, "Unknown", mtype)));
 262         return;
 263
 264 trunc:
 265         ND_PRINT((ndo, "[|TIPC]"));
 266 }
 267
 268 static void
 269 print_link_conf(netdissect_options *ndo, struct link_conf_tipc_pkthdr *ap)
 270 {
 271         u_int32_t w0, w1, w5;
 272         u_int user;
 273         u_int hsize;
 274         u_int msize;
 275         u_int mtype;
 276         u_int node_sig;
 277         u_int prev_node;
 278         u_int dest_domain;
 279         u_int ntwrk_id;
 280         u_int media_id;
 281
 282         ND_TCHECK(*ap);
 283         w0 = EXTRACT_32BITS(&ap->w0);
 284         user = TIPC_USER(w0);
 285         hsize = TIPC_HSIZE(w0);
 286         msize = TIPC_MSIZE(w0);
 287         w1 = EXTRACT_32BITS(&ap->w1);
 288         mtype = TIPC_MTYPE(w1);
 289         node_sig = TIPC_NODE_SIG(w1);
 290         prev_node = EXTRACT_32BITS(&ap->prev_node);
 291         dest_domain = EXTRACT_32BITS(&ap->dest_domain);
 292         prev_node = EXTRACT_32BITS(&ap->prev_node);
 293         ntwrk_id = EXTRACT_32BITS(&ap->ntwrk_id);
 294         w5 = EXTRACT_32BITS(&ap->w5);
 295         media_id = TIPC_MEDIA_ID(w5);
 296
 297         ND_PRINT((ndo, "<%u.%u.%u> > <%u.%u.%u>  NodeSignature %u, network_id %u, %s, headerlength %u bytes, MessageSize %u bytes, messageType %s, media_id %u\n\n",
 298             TIPC_ZONE(prev_node), TIPC_CLUSTER(prev_node), TIPC_NODE(prev_node),
 299             TIPC_ZONE(dest_domain), TIPC_CLUSTER(dest_domain), TIPC_NODE(dest_domain),
 300             node_sig, ntwrk_id,
 301             tok2str(tipcuser_values, "unknown", user),
 302             hsize*4, msize,
 303             tok2str(tipcmtype_values, "Unknown", mtype),
 304             media_id));
 305         return;
 306
 307 trunc:
 308         ND_PRINT((ndo, "[|TIPC]"));
 309 }
 310
 311 void
 312 tipc_print(netdissect_options *ndo, const u_char *bp, u_int length _U_,
 313     u_int caplen _U_)
 314 {
 315         struct tipc_pkthdr *ap;
 316         u_int32_t w0;
 317         u_int usr;
 318
 319         ap = (struct tipc_pkthdr *)bp;
 320         ND_TCHECK(ap->w0);
 321         w0 = EXTRACT_32BITS(&ap->w0);
 322         ND_PRINT((ndo, "TIPC Protocol Packet version %u.0\n", TIPC_VER(w0)));
 323
 324         usr = TIPC_USER(w0);
 325         switch (usr)
 326         {
 327                 case TIPC_USER_LOW_IMPORTANCE:
 328                 case TIPC_USER_MEDIUM_IMPORTANCE:
 329                 case TIPC_USER_HIGH_IMPORTANCE:
 330                 case TIPC_USER_CRITICAL_IMPORTANCE:
 331                 case TIPC_USER_NAME_DISTRIBUTOR:
 332                 case TIPC_USER_CONN_MANAGER:
 333                         print_payload(ndo, (struct payload_tipc_pkthdr *)bp);
 334                         break;
 335
 336                 case TIPC_USER_LINK_CONFIG:
 337                         print_link_conf(ndo, (struct link_conf_tipc_pkthdr *)bp);
 338                         break;
 339
 340                 case TIPC_USER_BCAST_PROTOCOL:
 341                 case TIPC_USER_MSG_BUNDLER:
 342                 case TIPC_USER_LINK_PROTOCOL:
 343                 case TIPC_USER_CHANGEOVER_PROTOCOL:
 344                 case TIPC_USER_MSG_FRAGMENTER:
 345                         print_internal(ndo, (struct internal_tipc_pkthdr *)bp);
 346                         break;
 347
 348         }
 349         return;
 350
 351 trunc:
 352         ND_PRINT((ndo, "[|TIPC]"));
 353 }
 354
 355 /*
 356  * Local Variables:
 357  * c-style: bsd
 358  * End:
 359  */
 360