JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 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 | |