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
print_payload(netdissect_options * ndo,const struct payload_tipc_pkthdr * ap)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
print_internal(netdissect_options * ndo,const struct internal_tipc_pkthdr * ap)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
print_link_conf(netdissect_options * ndo,const struct link_conf_tipc_pkthdr * ap)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
tipc_print(netdissect_options * ndo,const u_char * bp,u_int length _U_,u_int caplen _U_)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