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 */ 392 393