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