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 static const char tstr[] = "[|TIPC]";
  43
  44 /*
  45  * Transparent Inter-Process Communication (TIPC) protocol.
  46  *
  47  *      http://tipc.sourceforge.net/doc/draft-spec-tipc-07.html
  48  *      http://tipc.sourceforge.net/doc/tipc_message_formats.html
  49  */
  50
  51 #define TIPC_USER_LOW_IMPORTANCE        0
  52 #define TIPC_USER_MEDIUM_IMPORTANCE     1
  53 #define TIPC_USER_HIGH_IMPORTANCE       2
  54 #define TIPC_USER_CRITICAL_IMPORTANCE   3
  55 #define TIPC_USER_BCAST_PROTOCOL        5
  56 #define TIPC_USER_MSG_BUNDLER           6
  57 #define TIPC_USER_LINK_PROTOCOL         7
  58 #define TIPC_USER_CONN_MANAGER          8
  59 #define TIPC_USER_CHANGEOVER_PROTOCOL   10
  60 #define TIPC_USER_NAME_DISTRIBUTOR      11
  61 #define TIPC_USER_MSG_FRAGMENTER        12
  62 #define TIPC_USER_LINK_CONFIG           13
  63
  64 #define TIPC_CONN_MSG                   0
  65 #define TIPC_DIRECT_MSG                 1
  66 #define TIPC_NAMED_MSG                  2
  67 #define TIPC_MCAST_MSG                  3
  68
  69 #define TIPC_ZONE(addr)         (((addr) >> 24) & 0xFF)
  70 #define TIPC_CLUSTER(addr)      (((addr) >> 12) & 0xFFF)
  71 #define TIPC_NODE(addr)         (((addr) >> 0) & 0xFFF)
  72
  73 struct tipc_pkthdr {
  74         u_int32_t w0;
  75         u_int32_t w1;
  76 };
  77
  78 #define TIPC_VER(w0)            (((w0) >> 29) & 0x07)
  79 #define TIPC_USER(w0)           (((w0) >> 25) & 0x0F)
  80 #define TIPC_HSIZE(w0)          (((w0) >> 21) & 0x0F)
  81 #define TIPC_MSIZE(w0)          (((w0) >> 0) & 0xFFFF)
  82 #define TIPC_MTYPE(w1)          (((w1) >> 29) & 0x07)
  83 #define TIPC_BROADCAST_ACK(w1)  (((w1) >> 0) & 0xFFFF)
  84 #define TIPC_LINK_ACK(w2)       (((w2) >> 16) & 0xFFFF)
  85 #define TIPC_LINK_SEQ(w2)       (((w2) >> 0) & 0xFFFF)
  86
  87 static const struct tok tipcuser_values[] = {
  88     { TIPC_USER_LOW_IMPORTANCE,      "Low Importance Data payload" },
  89     { TIPC_USER_MEDIUM_IMPORTANCE,   "Medium Importance Data payload" },
  90     { TIPC_USER_HIGH_IMPORTANCE,     "High Importance Data payload" },
  91     { TIPC_USER_CRITICAL_IMPORTANCE, "Critical Importance Data payload" },
  92     { TIPC_USER_BCAST_PROTOCOL,      "Broadcast Link Protocol internal" },
  93     { TIPC_USER_MSG_BUNDLER,         "Message Bundler Protocol internal" },
  94     { TIPC_USER_LINK_PROTOCOL,       "Link State Protocol internal" },
  95     { TIPC_USER_CONN_MANAGER,        "Connection Manager internal" },
  96     { TIPC_USER_CHANGEOVER_PROTOCOL, "Link Changeover Protocol internal" },
  97     { TIPC_USER_NAME_DISTRIBUTOR,    "Name Table Update Protocol internal" },
  98     { TIPC_USER_MSG_FRAGMENTER,      "Message Fragmentation Protocol internal" },
  99     { TIPC_USER_LINK_CONFIG,         "Neighbor Detection Protocol internal" },
 100     { 0, NULL }
 101 };
 102
 103 static const struct tok tipcmtype_values[] = {
 104     { TIPC_CONN_MSG,   "CONN_MSG" },
 105     { TIPC_DIRECT_MSG, "MCAST_MSG" },
 106     { TIPC_NAMED_MSG,  "NAMED_MSG" },
 107     { TIPC_MCAST_MSG,  "DIRECT_MSG" },
 108     { 0, NULL }
 109 };
 110
 111 static const struct tok tipc_linkconf_mtype_values[] = {
 112     { 0,   "Link request" },
 113     { 1,   "Link response" },
 114     { 0, NULL }
 115 };
 116
 117 struct payload_tipc_pkthdr {
 118         u_int32_t w0;
 119         u_int32_t w1;
 120         u_int32_t w2;
 121         u_int32_t prev_node;
 122         u_int32_t orig_port;
 123         u_int32_t dest_port;
 124         u_int32_t orig_node;
 125         u_int32_t dest_node;
 126         u_int32_t name_type;
 127         u_int32_t w9;
 128         u_int32_t wA;
 129 };
 130
 131 struct  internal_tipc_pkthdr {
 132         u_int32_t w0;
 133         u_int32_t w1;
 134         u_int32_t w2;
 135         u_int32_t prev_node;
 136         u_int32_t w4;
 137         u_int32_t w5;
 138         u_int32_t orig_node;
 139         u_int32_t dest_node;
 140         u_int32_t trans_seq;
 141         u_int32_t w9;
 142 };
 143
 144 #define TIPC_SEQ_GAP(w1)        (((w1) >> 16) & 0x1FFF)
 145 #define TIPC_BC_GAP_AFTER(w2)   (((w2) >> 16) & 0xFFFF)
 146 #define TIPC_BC_GAP_TO(w2)      (((w2) >> 0) & 0xFFFF)
 147 #define TIPC_LAST_SENT_FRAG(w4) (((w4) >> 16) & 0xFFFF)
 148 #define TIPC_NEXT_SENT_FRAG(w4) (((w4) >> 0) & 0xFFFF)
 149 #define TIPC_SESS_NO(w5)        (((w5) >> 16) & 0xFFFF)
 150 #define TIPC_MSG_CNT(w9)        (((w9) >> 16) & 0xFFFF)
 151 #define TIPC_LINK_TOL(w9)       (((w9) >> 0) & 0xFFFF)
 152
 153 struct link_conf_tipc_pkthdr {
 154         u_int32_t w0;
 155         u_int32_t w1;
 156         u_int32_t dest_domain;
 157         u_int32_t prev_node;
 158         u_int32_t ntwrk_id;
 159         u_int32_t w5;
 160         u_int8_t media_address[16];
 161 };
 162
 163 #define TIPC_NODE_SIG(w1)       (((w1) >> 0) & 0xFFFF)
 164 #define TIPC_MEDIA_ID(w5)       (((w5) >> 0) & 0xFF)
 165
 166 static void
 167 print_payload(netdissect_options *ndo, const struct payload_tipc_pkthdr *ap)
 168 {
 169         u_int32_t w0, w1, w2;
 170         u_int user;
 171         u_int hsize;
 172         u_int msize;
 173         u_int mtype;
 174         u_int broadcast_ack;
 175         u_int link_ack;
 176         u_int link_seq;
 177         u_int prev_node;
 178         u_int orig_port;
 179         u_int dest_port;
 180         u_int orig_node;
 181         u_int dest_node;
 182
 183         ND_TCHECK(ap->dest_port);
 184         w0 = EXTRACT_32BITS(&ap->w0);
 185         user = TIPC_USER(w0);
 186         hsize = TIPC_HSIZE(w0);
 187         msize = TIPC_MSIZE(w0);
 188         w1 = EXTRACT_32BITS(&ap->w1);
 189         mtype = TIPC_MTYPE(w1);
 190         prev_node = EXTRACT_32BITS(&ap->prev_node);
 191         orig_port = EXTRACT_32BITS(&ap->orig_port);
 192         dest_port = EXTRACT_32BITS(&ap->dest_port);
 193         if (hsize <= 6) {
 194                 ND_PRINT((ndo, "TIPC v%u.0 %u.%u.%u:%u > %u, headerlength %u bytes, MessageSize %u bytes, %s, messageType %s",
 195                     TIPC_VER(w0),
 196                     TIPC_ZONE(prev_node), TIPC_CLUSTER(prev_node), TIPC_NODE(prev_node),
 197                     orig_port, dest_port,
 198                     hsize*4, msize,
 199                     tok2str(tipcuser_values, "unknown", user),
 200                     tok2str(tipcmtype_values, "Unknown", mtype)));
 201         } else {
 202                 ND_TCHECK(ap->dest_node);
 203                 orig_node = EXTRACT_32BITS(&ap->orig_node);
 204                 dest_node = EXTRACT_32BITS(&ap->dest_node);
 205                 ND_PRINT((ndo, "TIPC v%u.0 %u.%u.%u:%u > %u.%u.%u:%u, headerlength %u bytes, MessageSize %u bytes, %s, messageType %s",
 206                     TIPC_VER(w0),
 207                     TIPC_ZONE(orig_node), TIPC_CLUSTER(orig_node), TIPC_NODE(orig_node),
 208                     orig_port,
 209                     TIPC_ZONE(dest_node), TIPC_CLUSTER(dest_node), TIPC_NODE(dest_node),
 210                     dest_port,
 211                     hsize*4, msize,
 212                     tok2str(tipcuser_values, "unknown", user),
 213                     tok2str(tipcmtype_values, "Unknown", mtype)));
 214
 215                 if (ndo->ndo_vflag) {
 216                         broadcast_ack = TIPC_BROADCAST_ACK(w1);
 217                         w2 = EXTRACT_32BITS(&ap->w2);
 218                         link_ack = TIPC_LINK_ACK(w2);
 219                         link_seq = TIPC_LINK_SEQ(w2);
 220                         ND_PRINT((ndo, "\n\tPrevious Node %u.%u.%u, Broadcast Ack %u, Link Ack %u, Link Sequence %u",
 221                             TIPC_ZONE(prev_node), TIPC_CLUSTER(prev_node), TIPC_NODE(prev_node),
 222                             broadcast_ack, link_ack, link_seq));
 223                 }
 224         }
 225         return;
 226
 227 trunc:
 228         ND_PRINT((ndo, "%s", tstr));
 229 }
 230
 231 static void
 232 print_internal(netdissect_options *ndo, const struct internal_tipc_pkthdr *ap)
 233 {
 234         u_int32_t w0, w1, w2, w4, w5, w9;
 235         u_int user;
 236         u_int hsize;
 237         u_int msize;
 238         u_int mtype;
 239         u_int seq_gap;
 240         u_int broadcast_ack;
 241         u_int bc_gap_after;
 242         u_int bc_gap_to;
 243         u_int prev_node;
 244         u_int last_sent_frag;
 245         u_int next_sent_frag;
 246         u_int sess_no;
 247         u_int orig_node;
 248         u_int dest_node;
 249         u_int trans_seq;
 250         u_int msg_cnt;
 251         u_int link_tol;
 252
 253         ND_TCHECK(ap->dest_node);
 254         w0 = EXTRACT_32BITS(&ap->w0);
 255         user = TIPC_USER(w0);
 256         hsize = TIPC_HSIZE(w0);
 257         msize = TIPC_MSIZE(w0);
 258         w1 = EXTRACT_32BITS(&ap->w1);
 259         mtype = TIPC_MTYPE(w1);
 260         orig_node = EXTRACT_32BITS(&ap->orig_node);
 261         dest_node = EXTRACT_32BITS(&ap->dest_node);
 262         ND_PRINT((ndo, "TIPC v%u.0 %u.%u.%u > %u.%u.%u, headerlength %u bytes, MessageSize %u bytes, %s, messageType %s (0x%08x)",
 263             TIPC_VER(w0),
 264             TIPC_ZONE(orig_node), TIPC_CLUSTER(orig_node), TIPC_NODE(orig_node),
 265             TIPC_ZONE(dest_node), TIPC_CLUSTER(dest_node), TIPC_NODE(dest_node),
 266             hsize*4, msize,
 267             tok2str(tipcuser_values, "unknown", user),
 268             tok2str(tipcmtype_values, "Unknown", mtype), w1));
 269
 270         if (ndo->ndo_vflag) {
 271                 ND_TCHECK(*ap);
 272                 seq_gap = TIPC_SEQ_GAP(w1);
 273                 broadcast_ack = TIPC_BROADCAST_ACK(w1);
 274                 w2 = EXTRACT_32BITS(&ap->w2);
 275                 bc_gap_after = TIPC_BC_GAP_AFTER(w2);
 276                 bc_gap_to = TIPC_BC_GAP_TO(w2);
 277                 prev_node = EXTRACT_32BITS(&ap->prev_node);
 278                 w4 = EXTRACT_32BITS(&ap->w4);
 279                 last_sent_frag = TIPC_LAST_SENT_FRAG(w4);
 280                 next_sent_frag = TIPC_NEXT_SENT_FRAG(w4);
 281                 w5 = EXTRACT_32BITS(&ap->w5);
 282                 sess_no = TIPC_SESS_NO(w5);
 283                 trans_seq = EXTRACT_32BITS(&ap->trans_seq);
 284                 w9 = EXTRACT_32BITS(&ap->w9);
 285                 msg_cnt = TIPC_MSG_CNT(w9);
 286                 link_tol = TIPC_LINK_TOL(w9);
 287                 ND_PRINT((ndo, "\n\tPrevious 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",
 288                     TIPC_ZONE(prev_node), TIPC_CLUSTER(prev_node), TIPC_NODE(prev_node),
 289                     sess_no, broadcast_ack, seq_gap, bc_gap_after, bc_gap_to,
 290                     last_sent_frag, next_sent_frag, trans_seq, msg_cnt,
 291                     link_tol));
 292         }
 293         return;
 294
 295 trunc:
 296         ND_PRINT((ndo, "%s", tstr));
 297 }
 298
 299 static void
 300 print_link_conf(netdissect_options *ndo, const struct link_conf_tipc_pkthdr *ap)
 301 {
 302         u_int32_t w0, w1, w5;
 303         u_int user;
 304         u_int hsize;
 305         u_int msize;
 306         u_int mtype;
 307         u_int node_sig;
 308         u_int prev_node;
 309         u_int dest_domain;
 310         u_int ntwrk_id;
 311         u_int media_id;
 312
 313         ND_TCHECK(ap->prev_node);
 314         w0 = EXTRACT_32BITS(&ap->w0);
 315         user = TIPC_USER(w0);
 316         hsize = TIPC_HSIZE(w0);
 317         msize = TIPC_MSIZE(w0);
 318         w1 = EXTRACT_32BITS(&ap->w1);
 319         mtype = TIPC_MTYPE(w1);
 320         prev_node = EXTRACT_32BITS(&ap->prev_node);
 321         dest_domain = EXTRACT_32BITS(&ap->dest_domain);
 322         prev_node = EXTRACT_32BITS(&ap->prev_node);
 323
 324         ND_PRINT((ndo, "TIPC v%u.0 %u.%u.%u > %u.%u.%u, headerlength %u bytes, MessageSize %u bytes, %s, messageType %s",
 325             TIPC_VER(w0),
 326             TIPC_ZONE(prev_node), TIPC_CLUSTER(prev_node), TIPC_NODE(prev_node),
 327             TIPC_ZONE(dest_domain), TIPC_CLUSTER(dest_domain), TIPC_NODE(dest_domain),
 328             hsize*4, msize,
 329             tok2str(tipcuser_values, "unknown", user),
 330             tok2str(tipc_linkconf_mtype_values, "Unknown", mtype)));
 331         if (ndo->ndo_vflag) {
 332                 ND_TCHECK(ap->w5);
 333                 node_sig = TIPC_NODE_SIG(w1);
 334                 ntwrk_id = EXTRACT_32BITS(&ap->ntwrk_id);
 335                 w5 = EXTRACT_32BITS(&ap->w5);
 336                 media_id = TIPC_MEDIA_ID(w5);
 337                 ND_PRINT((ndo, "\n\tNodeSignature %u, network_id %u, media_id %u",
 338                     node_sig, ntwrk_id, media_id));
 339         }
 340         return;
 341
 342 trunc:
 343         ND_PRINT((ndo, "%s", tstr));
 344 }
 345
 346 void
 347 tipc_print(netdissect_options *ndo, const u_char *bp, u_int length _U_,
 348     u_int caplen _U_)
 349 {
 350         const struct tipc_pkthdr *ap;
 351         u_int32_t w0;
 352         u_int user;
 353
 354         ap = (struct tipc_pkthdr *)bp;
 355         ND_TCHECK(ap->w0);
 356         w0 = EXTRACT_32BITS(&ap->w0);
 357         user = TIPC_USER(w0);
 358
 359         switch (user)
 360         {
 361                 case TIPC_USER_LOW_IMPORTANCE:
 362                 case TIPC_USER_MEDIUM_IMPORTANCE:
 363                 case TIPC_USER_HIGH_IMPORTANCE:
 364                 case TIPC_USER_CRITICAL_IMPORTANCE:
 365                 case TIPC_USER_NAME_DISTRIBUTOR:
 366                 case TIPC_USER_CONN_MANAGER:
 367                         print_payload(ndo, (struct payload_tipc_pkthdr *)bp);
 368                         break;
 369
 370                 case TIPC_USER_LINK_CONFIG:
 371                         print_link_conf(ndo, (struct link_conf_tipc_pkthdr *)bp);
 372                         break;
 373
 374                 case TIPC_USER_BCAST_PROTOCOL:
 375                 case TIPC_USER_MSG_BUNDLER:
 376                 case TIPC_USER_LINK_PROTOCOL:
 377                 case TIPC_USER_CHANGEOVER_PROTOCOL:
 378                 case TIPC_USER_MSG_FRAGMENTER:
 379                         print_internal(ndo, (struct internal_tipc_pkthdr *)bp);
 380                         break;
 381
 382         }
 383         return;
 384
 385 trunc:
 386         ND_PRINT((ndo, "%s", tstr));
 387 }
 388
 389 /*
 390  * Local Variables:
 391  * c-style: bsd
 392  * End:
 393  */
 394