]> The Tcpdump Group git mirrors - tcpdump/blob - print-rsvp.c
projects / tcpdump / blob
summary | shortlog | log | commit | commitdiff | tree
history | raw | HEAD
update the diffserv-te error-spec codepoints (and retain the old ones)
[tcpdump] / print-rsvp.c
1 /*
2 * Copyright (c) 1998-2005 The TCPDUMP project
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that: (1) source code
6 * distributions retain the above copyright notice and this paragraph
7 * in its entirety, and (2) distributions including binary code include
8 * the above copyright notice and this paragraph in its entirety in
9 * the documentation or other materials provided with the distribution.
10 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
11 * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
12 * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
13 * FOR A PARTICULAR PURPOSE.
14 *
15 * Original code by Hannes Gredler (hannes@juniper.net)
16 */
17
18 #ifndef lint
19 static const char rcsid[] _U_ =
20 "@(#) $Header: /tcpdump/master/tcpdump/print-rsvp.c,v 1.41 2005-09-22 14:47:04 hannes Exp $";
21 #endif
22
23 #ifdef HAVE_CONFIG_H
24 #include "config.h"
25 #endif
26
27 #include <tcpdump-stdinc.h>
28
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <string.h>
32
33 #include "interface.h"
34 #include "extract.h"
35 #include "addrtoname.h"
36 #include "ethertype.h"
37 #include "gmpls.h"
38
39 /*
40 * RFC 2205 common header
41 *
42 * 0 1 2 3
43 * +-------------+-------------+-------------+-------------+
44 * | Vers | Flags| Msg Type | RSVP Checksum |
45 * +-------------+-------------+-------------+-------------+
46 * | Send_TTL | (Reserved) | RSVP Length |
47 * +-------------+-------------+-------------+-------------+
48 *
49 */
50
51 struct rsvp_common_header {
52 u_int8_t version_flags;
53 u_int8_t msg_type;
54 u_int8_t checksum[2];
55 u_int8_t ttl;
56 u_int8_t reserved;
57 u_int8_t length[2];
58 };
59
60 /*
61 * RFC2205 object header
62 *
63 *
64 * 0 1 2 3
65 * +-------------+-------------+-------------+-------------+
66 * | Length (bytes) | Class-Num | C-Type |
67 * +-------------+-------------+-------------+-------------+
68 * | |
69 * // (Object contents) //
70 * | |
71 * +-------------+-------------+-------------+-------------+
72 */
73
74 struct rsvp_object_header {
75 u_int8_t length[2];
76 u_int8_t class_num;
77 u_int8_t ctype;
78 };
79
80 #define RSVP_VERSION 1
81 #define RSVP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
82 #define RSVP_EXTRACT_FLAGS(x) ((x)&0x0f)
83
84 #define RSVP_MSGTYPE_PATH 1
85 #define RSVP_MSGTYPE_RESV 2
86 #define RSVP_MSGTYPE_PATHERR 3
87 #define RSVP_MSGTYPE_RESVERR 4
88 #define RSVP_MSGTYPE_PATHTEAR 5
89 #define RSVP_MSGTYPE_RESVTEAR 6
90 #define RSVP_MSGTYPE_RESVCONF 7
91 #define RSVP_MSGTYPE_AGGREGATE 12
92 #define RSVP_MSGTYPE_ACK 13
93 #define RSVP_MSGTYPE_HELLO_OLD 14 /* ancient Hellos */
94 #define RSVP_MSGTYPE_SREFRESH 15
95 #define RSVP_MSGTYPE_HELLO 20
96
97 static const struct tok rsvp_msg_type_values[] = {
98 { RSVP_MSGTYPE_PATH, "Path" },
99 { RSVP_MSGTYPE_RESV, "Resv" },
100 { RSVP_MSGTYPE_PATHERR, "PathErr" },
101 { RSVP_MSGTYPE_RESVERR, "ResvErr" },
102 { RSVP_MSGTYPE_PATHTEAR, "PathTear" },
103 { RSVP_MSGTYPE_RESVTEAR, "ResvTear" },
104 { RSVP_MSGTYPE_RESVCONF, "ResvConf" },
105 { RSVP_MSGTYPE_AGGREGATE, "Aggregate" },
106 { RSVP_MSGTYPE_ACK, "Acknowledgement" },
107 { RSVP_MSGTYPE_HELLO_OLD, "Hello (Old)" },
108 { RSVP_MSGTYPE_SREFRESH, "Refresh" },
109 { RSVP_MSGTYPE_HELLO, "Hello" },
110 { 0, NULL}
111 };
112
113 static const struct tok rsvp_header_flag_values[] = {
114 { 0x01, "Refresh reduction capable" }, /* rfc2961 */
115 { 0, NULL}
116 };
117
118 #define RSVP_OBJ_SESSION 1 /* rfc2205 */
119 #define RSVP_OBJ_RSVP_HOP 3 /* rfc2205, rfc3473 */
120 #define RSVP_OBJ_INTEGRITY 4 /* rfc2747 */
121 #define RSVP_OBJ_TIME_VALUES 5 /* rfc2205 */
122 #define RSVP_OBJ_ERROR_SPEC 6
123 #define RSVP_OBJ_SCOPE 7
124 #define RSVP_OBJ_STYLE 8 /* rfc2205 */
125 #define RSVP_OBJ_FLOWSPEC 9 /* rfc2215 */
126 #define RSVP_OBJ_FILTERSPEC 10 /* rfc2215 */
127 #define RSVP_OBJ_SENDER_TEMPLATE 11
128 #define RSVP_OBJ_SENDER_TSPEC 12 /* rfc2215 */
129 #define RSVP_OBJ_ADSPEC 13 /* rfc2215 */
130 #define RSVP_OBJ_POLICY_DATA 14
131 #define RSVP_OBJ_CONFIRM 15 /* rfc2205 */
132 #define RSVP_OBJ_LABEL 16 /* rfc3209 */
133 #define RSVP_OBJ_LABEL_REQ 19 /* rfc3209 */
134 #define RSVP_OBJ_ERO 20 /* rfc3209 */
135 #define RSVP_OBJ_RRO 21 /* rfc3209 */
136 #define RSVP_OBJ_HELLO 22 /* rfc3209 */
137 #define RSVP_OBJ_MESSAGE_ID 23
138 #define RSVP_OBJ_MESSAGE_ID_ACK 24
139 #define RSVP_OBJ_MESSAGE_ID_LIST 25
140 #define RSVP_OBJ_RECOVERY_LABEL 34 /* rfc3473 */
141 #define RSVP_OBJ_UPSTREAM_LABEL 35 /* rfc3473 */
142 #define RSVP_OBJ_LABEL_SET 36 /* rfc3473 */
143 #define RSVP_OBJ_PROTECTION 37 /* rfc3473 */
144 #define RSVP_OBJ_DETOUR 63 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */
145 #define RSVP_OBJ_CLASSTYPE 66 /* rfc4124 */
146 #define RSVP_OBJ_CLASSTYPE_OLD 125 /* draft-ietf-tewg-diff-te-proto-07 */
147 #define RSVP_OBJ_SUGGESTED_LABEL 129 /* rfc3473 */
148 #define RSVP_OBJ_ACCEPT_LABEL_SET 130 /* rfc3473 */
149 #define RSVP_OBJ_RESTART_CAPABILITY 131 /* rfc3473 */
150 #define RSVP_OBJ_NOTIFY_REQ 195 /* rfc3473 */
151 #define RSVP_OBJ_ADMIN_STATUS 196 /* rfc3473 */
152 #define RSVP_OBJ_PROPERTIES 204 /* juniper proprietary */
153 #define RSVP_OBJ_FASTREROUTE 205 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */
154 #define RSVP_OBJ_SESSION_ATTRIBUTE 207 /* rfc3209 */
155 #define RSVP_OBJ_CALL_ID 230 /* rfc3474 */
156 #define RSVP_OBJ_CALL_OPS 236 /* rfc3474 */
157
158 static const struct tok rsvp_obj_values[] = {
159 { RSVP_OBJ_SESSION, "Session" },
160 { RSVP_OBJ_RSVP_HOP, "RSVP Hop" },
161 { RSVP_OBJ_INTEGRITY, "Integrity" },
162 { RSVP_OBJ_TIME_VALUES, "Time Values" },
163 { RSVP_OBJ_ERROR_SPEC, "Error Spec" },
164 { RSVP_OBJ_SCOPE, "Scope" },
165 { RSVP_OBJ_STYLE, "Style" },
166 { RSVP_OBJ_FLOWSPEC, "Flowspec" },
167 { RSVP_OBJ_FILTERSPEC, "FilterSpec" },
168 { RSVP_OBJ_SENDER_TEMPLATE, "Sender Template" },
169 { RSVP_OBJ_SENDER_TSPEC, "Sender TSpec" },
170 { RSVP_OBJ_ADSPEC, "Adspec" },
171 { RSVP_OBJ_POLICY_DATA, "Policy Data" },
172 { RSVP_OBJ_CONFIRM, "Confirm" },
173 { RSVP_OBJ_LABEL, "Label" },
174 { RSVP_OBJ_LABEL_REQ, "Label Request" },
175 { RSVP_OBJ_ERO, "ERO" },
176 { RSVP_OBJ_RRO, "RRO" },
177 { RSVP_OBJ_HELLO, "Hello" },
178 { RSVP_OBJ_MESSAGE_ID, "Message ID" },
179 { RSVP_OBJ_MESSAGE_ID_ACK, "Message ID Ack" },
180 { RSVP_OBJ_MESSAGE_ID_LIST, "Message ID List" },
181 { RSVP_OBJ_RECOVERY_LABEL, "Recovery Label" },
182 { RSVP_OBJ_UPSTREAM_LABEL, "Upstream Label" },
183 { RSVP_OBJ_LABEL_SET, "Label Set" },
184 { RSVP_OBJ_ACCEPT_LABEL_SET, "Acceptable Label Set" },
185 { RSVP_OBJ_DETOUR, "Detour" },
186 { RSVP_OBJ_CLASSTYPE, "Class Type" },
187 { RSVP_OBJ_CLASSTYPE_OLD, "Class Type (old)" },
188 { RSVP_OBJ_SUGGESTED_LABEL, "Suggested Label" },
189 { RSVP_OBJ_PROPERTIES, "Properties" },
190 { RSVP_OBJ_FASTREROUTE, "Fast Re-Route" },
191 { RSVP_OBJ_SESSION_ATTRIBUTE, "Session Attribute" },
192 { RSVP_OBJ_CALL_ID, "Call-ID" },
193 { RSVP_OBJ_CALL_OPS, "Call Capability" },
194 { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" },
195 { RSVP_OBJ_NOTIFY_REQ, "Notify Request" },
196 { RSVP_OBJ_PROTECTION, "Protection" },
197 { RSVP_OBJ_ADMIN_STATUS, "Administrative Status" },
198 { 0, NULL}
199 };
200
201 #define RSVP_CTYPE_IPV4 1
202 #define RSVP_CTYPE_IPV6 2
203 #define RSVP_CTYPE_TUNNEL_IPV4 7
204 #define RSVP_CTYPE_TUNNEL_IPV6 8
205 #define RSVP_CTYPE_1 1
206 #define RSVP_CTYPE_2 2
207 #define RSVP_CTYPE_3 3
208 #define RSVP_CTYPE_4 4
209
210 /*
211 * the ctypes are not globally unique so for
212 * translating it to strings we build a table based
213 * on objects offsetted by the ctype
214 */
215
216 static const struct tok rsvp_ctype_values[] = {
217 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV4, "IPv4" },
218 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV6, "IPv6" },
219 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
220 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
221 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV4, "IPv4" },
222 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV6, "IPv6" },
223 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV4, "IPv4" },
224 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV6, "IPv6" },
225 { 256*RSVP_OBJ_TIME_VALUES+RSVP_CTYPE_1, "1" },
226 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_1, "obsolete" },
227 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_2, "IntServ" },
228 { 256*RSVP_OBJ_SENDER_TSPEC+RSVP_CTYPE_2, "IntServ" },
229 { 256*RSVP_OBJ_ADSPEC+RSVP_CTYPE_2, "IntServ" },
230 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV4, "IPv4" },
231 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6, "IPv6" },
232 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3, "IPv6 Flow-label" },
233 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
234 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4, "IPv4" },
235 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6, "IPv6" },
236 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
237 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV4, "IPv4" },
238 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6, "IPv6" },
239 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
240 { 256*RSVP_OBJ_MESSAGE_ID+RSVP_CTYPE_1, "1" },
241 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_1, "1" },
242 { 256*RSVP_OBJ_MESSAGE_ID_LIST+RSVP_CTYPE_1, "1" },
243 { 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1, "1" },
244 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1, "Hello Request" },
245 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2, "Hello Ack" },
246 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1, "without label range" },
247 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2, "with ATM label range" },
248 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3, "with FR label range" },
249 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4, "Generalized Label" },
250 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1, "Label" },
251 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_2, "Generalized Label" },
252 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
253 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1, "Label" },
254 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_2, "Generalized Label" },
255 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
256 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1, "Label" },
257 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_2, "Generalized Label" },
258 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
259 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_1, "Label" },
260 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_2, "Generalized Label" },
261 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
262 { 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4, "IPv4" },
263 { 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4, "IPv4" },
264 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4, "IPv4" },
265 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6, "IPv6" },
266 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
267 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
268 { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1, "IPv4" },
269 { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
270 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, /* old style*/
271 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_1, "1" }, /* new style */
272 { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
273 { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1, "1" },
274 { 256*RSVP_OBJ_CLASSTYPE+RSVP_CTYPE_1, "1" },
275 { 256*RSVP_OBJ_CLASSTYPE_OLD+RSVP_CTYPE_1, "1" },
276 { 0, NULL}
277 };
278
279 struct rsvp_obj_integrity_t {
280 u_int8_t flags;
281 u_int8_t res;
282 u_int8_t key_id[6];
283 u_int8_t sequence[8];
284 u_int8_t digest[16];
285 };
286
287 static const struct tok rsvp_obj_integrity_flag_values[] = {
288 { 0x80, "Handshake" },
289 { 0, NULL}
290 };
291
292 struct rsvp_obj_frr_t {
293 u_int8_t setup_prio;
294 u_int8_t hold_prio;
295 u_int8_t hop_limit;
296 u_int8_t flags;
297 u_int8_t bandwidth[4];
298 u_int8_t include_any[4];
299 u_int8_t exclude_any[4];
300 u_int8_t include_all[4];
301 };
302
303
304 #define RSVP_OBJ_XRO_MASK_SUBOBJ(x) ((x)&0x7f)
305 #define RSVP_OBJ_XRO_MASK_LOOSE(x) ((x)&0x80)
306
307 #define RSVP_OBJ_XRO_RES 0
308 #define RSVP_OBJ_XRO_IPV4 1
309 #define RSVP_OBJ_XRO_IPV6 2
310 #define RSVP_OBJ_XRO_ASN 32
311 #define RSVP_OBJ_XRO_MPLS 64
312
313 static const struct tok rsvp_obj_xro_values[] = {
314 { RSVP_OBJ_XRO_RES, "Reserved" },
315 { RSVP_OBJ_XRO_IPV4, "IPv4 prefix" },
316 { RSVP_OBJ_XRO_IPV6, "IPv6 prefix" },
317 { RSVP_OBJ_XRO_ASN, "Autonomous system number" },
318 { RSVP_OBJ_XRO_MPLS, "MPLS label switched path termination" },
319 { 0, NULL}
320 };
321
322 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07.txt */
323 static const struct tok rsvp_obj_rro_flag_values[] = {
324 { 0x01, "Local protection available" },
325 { 0x02, "Local protection in use" },
326 { 0x04, "Bandwidth protection" },
327 { 0x08, "Node protection" },
328 { 0, NULL}
329 };
330
331 static const struct tok rsvp_resstyle_values[] = {
332 { 17, "Wildcard Filter" },
333 { 10, "Fixed Filter" },
334 { 18, "Shared Explicit" },
335 { 0, NULL}
336 };
337
338 #define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2
339 #define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5
340
341 static const struct tok rsvp_intserv_service_type_values[] = {
342 { 1, "Default/Global Information" },
343 { RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" },
344 { RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" },
345 { 0, NULL}
346 };
347
348 static const struct tok rsvp_intserv_parameter_id_values[] = {
349 { 4, "IS hop cnt" },
350 { 6, "Path b/w estimate" },
351 { 8, "Minimum path latency" },
352 { 10, "Composed MTU" },
353 { 127, "Token Bucket TSpec" },
354 { 130, "Guaranteed Service RSpec" },
355 { 133, "End-to-end composed value for C" },
356 { 134, "End-to-end composed value for D" },
357 { 135, "Since-last-reshaping point composed C" },
358 { 136, "Since-last-reshaping point composed D" },
359 { 0, NULL}
360 };
361
362 static struct tok rsvp_session_attribute_flag_values[] = {
363 { 0x01, "Local Protection desired" },
364 { 0x02, "Label Recording desired" },
365 { 0x04, "SE Style desired" },
366 { 0x08, "Bandwidth protection desired" }, /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
367 { 0x10, "Node protection desired" }, /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
368 { 0, NULL}
369 };
370
371 static struct tok rsvp_obj_prop_tlv_values[] = {
372 { 0x01, "Cos" },
373 { 0x02, "Metric 1" },
374 { 0x04, "Metric 2" },
375 { 0x08, "CCC Status" },
376 { 0x10, "Path Type" },
377 { 0, NULL}
378 };
379
380 #define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24
381 #define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY 25
382 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 28
383 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD 125
384
385 static struct tok rsvp_obj_error_code_values[] = {
386 { RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" },
387 { RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY, "Notify Error" },
388 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE, "Diffserv TE Error" },
389 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD, "Diffserv TE Error (Old)" },
390 { 0, NULL}
391 };
392
393 static struct tok rsvp_obj_error_code_routing_values[] = {
394 { 1, "Bad EXPLICIT_ROUTE object" },
395 { 2, "Bad strict node" },
396 { 3, "Bad loose node" },
397 { 4, "Bad initial subobject" },
398 { 5, "No route available toward destination" },
399 { 6, "Unacceptable label value" },
400 { 7, "RRO indicated routing loops" },
401 { 8, "non-RSVP-capable router in the path" },
402 { 9, "MPLS label allocation failure" },
403 { 10, "Unsupported L3PID" },
404 { 0, NULL}
405 };
406
407 static struct tok rsvp_obj_error_code_diffserv_te_values[] = {
408 { 1, "Unexpected CT object" },
409 { 2, "Unsupported CT" },
410 { 3, "Invalid CT value" },
411 { 4, "CT/setup priority do not form a configured TE-Class" },
412 { 5, "CT/holding priority do not form a configured TE-Class" },
413 { 6, "CT/setup priority and CT/holding priority do not form a configured TE-Class" },
414 { 7, "Inconsistency between signaled PSC and signaled CT" },
415 { 8, "Inconsistency between signaled PHBs and signaled CT" },
416 { 0, NULL}
417 };
418
419 #define FALSE 0
420 #define TRUE 1
421
422
423 static int rsvp_intserv_print(const u_char *, u_short);
424
425 /*
426 * this is a dissector for all the intserv defined
427 * specs as defined per rfc2215
428 * it is called from various rsvp objects;
429 * returns the amount of bytes being processed
430 */
431 static int
432 rsvp_intserv_print(const u_char *tptr, u_short obj_tlen) {
433
434 int parameter_id,parameter_length;
435 union {
436 float f;
437 u_int32_t i;
438 } bw;
439
440 if (obj_tlen < 4)
441 return 0;
442 parameter_id = *(tptr);
443 parameter_length = EXTRACT_16BITS(tptr+2)<<2; /* convert wordcount to bytecount */
444
445 printf("\n\t Parameter ID: %s (%u), length: %u, Flags: [0x%02x]",
446 tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id),
447 parameter_id,
448 parameter_length,
449 *(tptr+1));
450
451 if (obj_tlen < parameter_length+4)
452 return 0;
453 switch(parameter_id) { /* parameter_id */
454
455 case 4:
456 /*
457 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
458 * | 4 (e) | (f) | 1 (g) |
459 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
460 * | IS hop cnt (32-bit unsigned integer) |
461 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
462 */
463 if (parameter_length == 4)
464 printf("\n\t\tIS hop count: %u", EXTRACT_32BITS(tptr+4));
465 break;
466
467 case 6:
468 /*
469 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
470 * | 6 (h) | (i) | 1 (j) |
471 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
472 * | Path b/w estimate (32-bit IEEE floating point number) |
473 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
474 */
475 if (parameter_length == 4) {
476 bw.i = EXTRACT_32BITS(tptr+4);
477 printf("\n\t\tPath b/w estimate: %.10g Mbps", bw.f/125000);
478 }
479 break;
480
481 case 8:
482 /*
483 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
484 * | 8 (k) | (l) | 1 (m) |
485 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
486 * | Minimum path latency (32-bit integer) |
487 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
488 */
489 if (parameter_length == 4) {
490 printf("\n\t\tMinimum path latency: ");
491 if (EXTRACT_32BITS(tptr+4) == 0xffffffff)
492 printf("don't care");
493 else
494 printf("%u", EXTRACT_32BITS(tptr+4));
495 }
496 break;
497
498 case 10:
499
500 /*
501 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
502 * | 10 (n) | (o) | 1 (p) |
503 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
504 * | Composed MTU (32-bit unsigned integer) |
505 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
506 */
507 if (parameter_length == 4)
508 printf("\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr+4));
509 break;
510 case 127:
511 /*
512 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
513 * | 127 (e) | 0 (f) | 5 (g) |
514 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
515 * | Token Bucket Rate [r] (32-bit IEEE floating point number) |
516 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
517 * | Token Bucket Size [b] (32-bit IEEE floating point number) |
518 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
519 * | Peak Data Rate [p] (32-bit IEEE floating point number) |
520 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
521 * | Minimum Policed Unit [m] (32-bit integer) |
522 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
523 * | Maximum Packet Size [M] (32-bit integer) |
524 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
525 */
526
527 if (parameter_length == 20) {
528 bw.i = EXTRACT_32BITS(tptr+4);
529 printf("\n\t\tToken Bucket Rate: %.10g Mbps", bw.f/125000);
530 bw.i = EXTRACT_32BITS(tptr+8);
531 printf("\n\t\tToken Bucket Size: %.10g bytes", bw.f);
532 bw.i = EXTRACT_32BITS(tptr+12);
533 printf("\n\t\tPeak Data Rate: %.10g Mbps", bw.f/125000);
534 printf("\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr+16));
535 printf("\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr+20));
536 }
537 break;
538
539 case 130:
540 /*
541 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
542 * | 130 (h) | 0 (i) | 2 (j) |
543 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
544 * | Rate [R] (32-bit IEEE floating point number) |
545 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
546 * | Slack Term [S] (32-bit integer) |
547 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
548 */
549
550 if (parameter_length == 8) {
551 bw.i = EXTRACT_32BITS(tptr+4);
552 printf("\n\t\tRate: %.10g Mbps", bw.f/125000);
553 printf("\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr+8));
554 }
555 break;
556
557 case 133:
558 case 134:
559 case 135:
560 case 136:
561 if (parameter_length == 4)
562 printf("\n\t\tValue: %u", EXTRACT_32BITS(tptr+4));
563 break;
564
565 default:
566 if (vflag <= 1)
567 print_unknown_data(tptr+4,"\n\t\t",parameter_length);
568 }
569 return (parameter_length+4); /* header length 4 bytes */
570 }
571
572 static int
573 rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) {
574
575 const struct rsvp_object_header *rsvp_obj_header;
576 const u_char *obj_tptr;
577 union {
578 const struct rsvp_obj_integrity_t *rsvp_obj_integrity;
579 const struct rsvp_obj_frr_t *rsvp_obj_frr;
580 } obj_ptr;
581
582 u_short rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen;
583 int hexdump,processed,padbytes,error_code,error_value,i;
584 union {
585 float f;
586 u_int32_t i;
587 } bw;
588 u_int8_t namelen;
589
590 while(tlen>=sizeof(struct rsvp_object_header)) {
591 /* did we capture enough for fully decoding the object header ? */
592 if (!TTEST2(*tptr, sizeof(struct rsvp_object_header)))
593 goto trunc;
594
595 rsvp_obj_header = (const struct rsvp_object_header *)tptr;
596 rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length);
597 rsvp_obj_ctype=rsvp_obj_header->ctype;
598
599 if(rsvp_obj_len % 4) {
600 printf("%sERROR: object header size %u not a multiple of 4", ident, rsvp_obj_len);
601 return -1;
602 }
603 if(rsvp_obj_len < sizeof(struct rsvp_object_header)) {
604 printf("%sERROR: object header too short %u < %lu", ident, rsvp_obj_len,
605 (unsigned long)sizeof(const struct rsvp_object_header));
606 return -1;
607 }
608
609 printf("%s%s Object (%u) Flags: [%s",
610 ident,
611 tok2str(rsvp_obj_values,
612 "Unknown",
613 rsvp_obj_header->class_num),
614 rsvp_obj_header->class_num,
615 ((rsvp_obj_header->class_num)&0x80) ? "ignore" : "reject");
616
617 if (rsvp_obj_header->class_num > 128)
618 printf(" %s",
619 ((rsvp_obj_header->class_num)&0x40) ? "and forward" : "silently");
620
621 printf(" if unknown], Class-Type: %s (%u), length: %u",
622 tok2str(rsvp_ctype_values,
623 "Unknown",
624 ((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype),
625 rsvp_obj_ctype,
626 rsvp_obj_len);
627
628 if(tlen < rsvp_obj_len) {
629 printf("%sERROR: object goes past end of objects TLV", ident);
630 return -1;
631 }
632
633 obj_tptr=tptr+sizeof(struct rsvp_object_header);
634 obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
635
636 /* did we capture enough for fully decoding the object ? */
637 if (!TTEST2(*tptr, rsvp_obj_len))
638 return -1;
639 hexdump=FALSE;
640
641 switch(rsvp_obj_header->class_num) {
642 case RSVP_OBJ_SESSION:
643 switch(rsvp_obj_ctype) {
644 case RSVP_CTYPE_IPV4:
645 if (obj_tlen < 8)
646 return -1;
647 printf("%s IPv4 DestAddress: %s, Protocol ID: 0x%02x",
648 ident,
649 ipaddr_string(obj_tptr),
650 *(obj_tptr+sizeof(struct in_addr)));
651 printf("%s Flags: [0x%02x], DestPort %u",
652 ident,
653 *(obj_tptr+5),
654 EXTRACT_16BITS(obj_tptr+6));
655 obj_tlen-=8;
656 obj_tptr+=8;
657 break;
658 #ifdef INET6
659 case RSVP_CTYPE_IPV6:
660 if (obj_tlen < 20)
661 return -1;
662 printf("%s IPv6 DestAddress: %s, Protocol ID: 0x%02x",
663 ident,
664 ip6addr_string(obj_tptr),
665 *(obj_tptr+sizeof(struct in6_addr)));
666 printf("%s Flags: [0x%02x], DestPort %u",
667 ident,
668 *(obj_tptr+sizeof(struct in6_addr)+1),
669 EXTRACT_16BITS(obj_tptr+sizeof(struct in6_addr)+2));
670 obj_tlen-=20;
671 obj_tptr+=20;
672 break;
673
674 case RSVP_CTYPE_TUNNEL_IPV6:
675 if (obj_tlen < 36)
676 return -1;
677 printf("%s IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
678 ident,
679 ip6addr_string(obj_tptr),
680 EXTRACT_16BITS(obj_tptr+18),
681 ip6addr_string(obj_tptr+20));
682 obj_tlen-=36;
683 obj_tptr+=36;
684 break;
685 #endif
686 case RSVP_CTYPE_TUNNEL_IPV4:
687 if (obj_tlen < 12)
688 return -1;
689 printf("%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
690 ident,
691 ipaddr_string(obj_tptr),
692 EXTRACT_16BITS(obj_tptr+6),
693 ipaddr_string(obj_tptr+8));
694 obj_tlen-=12;
695 obj_tptr+=12;
696 break;
697 default:
698 hexdump=TRUE;
699 }
700 break;
701
702 case RSVP_OBJ_CONFIRM:
703 switch(rsvp_obj_ctype) {
704 case RSVP_CTYPE_IPV4:
705 if (obj_tlen < sizeof(struct in_addr))
706 return -1;
707 printf("%s IPv4 Receiver Address: %s",
708 ident,
709 ipaddr_string(obj_tptr));
710 obj_tlen-=sizeof(struct in_addr);
711 obj_tptr+=sizeof(struct in_addr);
712 break;
713 #ifdef INET6
714 case RSVP_CTYPE_IPV6:
715 if (obj_tlen < sizeof(struct in6_addr))
716 return -1;
717 printf("%s IPv6 Receiver Address: %s",
718 ident,
719 ip6addr_string(obj_tptr));
720 obj_tlen-=sizeof(struct in6_addr);
721 obj_tptr+=sizeof(struct in6_addr);
722 break;
723 #endif
724 default:
725 hexdump=TRUE;
726 }
727 break;
728
729 case RSVP_OBJ_NOTIFY_REQ:
730 switch(rsvp_obj_ctype) {
731 case RSVP_CTYPE_IPV4:
732 if (obj_tlen < sizeof(struct in_addr))
733 return -1;
734 printf("%s IPv4 Notify Node Address: %s",
735 ident,
736 ipaddr_string(obj_tptr));
737 obj_tlen-=sizeof(struct in_addr);
738 obj_tptr+=sizeof(struct in_addr);
739 break;
740 #ifdef INET6
741 case RSVP_CTYPE_IPV6:
742 if (obj_tlen < sizeof(struct in6_addr))
743 return-1;
744 printf("%s IPv6 Notify Node Address: %s",
745 ident,
746 ip6addr_string(obj_tptr));
747 obj_tlen-=sizeof(struct in6_addr);
748 obj_tptr+=sizeof(struct in6_addr);
749 break;
750 #endif
751 default:
752 hexdump=TRUE;
753 }
754 break;
755
756 case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
757 case RSVP_OBJ_UPSTREAM_LABEL: /* fall through */
758 case RSVP_OBJ_RECOVERY_LABEL: /* fall through */
759 case RSVP_OBJ_LABEL:
760 switch(rsvp_obj_ctype) {
761 case RSVP_CTYPE_1:
762 while(obj_tlen >= 4 ) {
763 printf("%s Label: %u", ident, EXTRACT_32BITS(obj_tptr));
764 obj_tlen-=4;
765 obj_tptr+=4;
766 }
767 break;
768 case RSVP_CTYPE_2:
769 if (obj_tlen < 4)
770 return-1;
771 printf("%s Generalized Label: %u",
772 ident,
773 EXTRACT_32BITS(obj_tptr));
774 obj_tlen-=4;
775 obj_tptr+=4;
776 break;
777 case RSVP_CTYPE_3:
778 if (obj_tlen < 12)
779 return-1;
780 printf("%s Waveband ID: %u%s Start Label: %u, Stop Label: %u",
781 ident,
782 EXTRACT_32BITS(obj_tptr),
783 ident,
784 EXTRACT_32BITS(obj_tptr+4),
785 EXTRACT_32BITS(obj_tptr+8));
786 obj_tlen-=12;
787 obj_tptr+=12;
788 break;
789 default:
790 hexdump=TRUE;
791 }
792 break;
793
794 case RSVP_OBJ_STYLE:
795 switch(rsvp_obj_ctype) {
796 case RSVP_CTYPE_1:
797 if (obj_tlen < 4)
798 return-1;
799 printf("%s Reservation Style: %s, Flags: [0x%02x]",
800 ident,
801 tok2str(rsvp_resstyle_values,
802 "Unknown",
803 EXTRACT_24BITS(obj_tptr+1)),
804 *(obj_tptr));
805 obj_tlen-=4;
806 obj_tptr+=4;
807 break;
808 default:
809 hexdump=TRUE;
810 }
811 break;
812
813 case RSVP_OBJ_SENDER_TEMPLATE:
814 switch(rsvp_obj_ctype) {
815 case RSVP_CTYPE_IPV4:
816 if (obj_tlen < 8)
817 return-1;
818 printf("%s Source Address: %s, Source Port: %u",
819 ident,
820 ipaddr_string(obj_tptr),
821 EXTRACT_16BITS(obj_tptr+6));
822 obj_tlen-=8;
823 obj_tptr+=8;
824 break;
825 #ifdef INET6
826 case RSVP_CTYPE_IPV6:
827 if (obj_tlen < 20)
828 return-1;
829 printf("%s Source Address: %s, Source Port: %u",
830 ident,
831 ip6addr_string(obj_tptr),
832 EXTRACT_16BITS(obj_tptr+18));
833 obj_tlen-=20;
834 obj_tptr+=20;
835 break;
836 #endif
837 case RSVP_CTYPE_TUNNEL_IPV4:
838 if (obj_tlen < 8)
839 return-1;
840 printf("%s IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
841 ident,
842 ipaddr_string(obj_tptr),
843 EXTRACT_16BITS(obj_tptr+6));
844 obj_tlen-=8;
845 obj_tptr+=8;
846 break;
847 default:
848 hexdump=TRUE;
849 }
850 break;
851
852 case RSVP_OBJ_LABEL_REQ:
853 switch(rsvp_obj_ctype) {
854 case RSVP_CTYPE_1:
855 while(obj_tlen >= 4 ) {
856 printf("%s L3 Protocol ID: %s",
857 ident,
858 tok2str(ethertype_values,
859 "Unknown Protocol (0x%04x)",
860 EXTRACT_16BITS(obj_tptr+2)));
861 obj_tlen-=4;
862 obj_tptr+=4;
863 }
864 break;
865 case RSVP_CTYPE_2:
866 if (obj_tlen < 12)
867 return-1;
868 printf("%s L3 Protocol ID: %s",
869 ident,
870 tok2str(ethertype_values,
871 "Unknown Protocol (0x%04x)",
872 EXTRACT_16BITS(obj_tptr+2)));
873 printf(",%s merge capability",((*(obj_tptr+4))&0x80) ? "no" : "" );
874 printf("%s Minimum VPI/VCI: %u/%u",
875 ident,
876 (EXTRACT_16BITS(obj_tptr+4))&0xfff,
877 (EXTRACT_16BITS(obj_tptr+6))&0xfff);
878 printf("%s Maximum VPI/VCI: %u/%u",
879 ident,
880 (EXTRACT_16BITS(obj_tptr+8))&0xfff,
881 (EXTRACT_16BITS(obj_tptr+10))&0xfff);
882 obj_tlen-=12;
883 obj_tptr+=12;
884 break;
885 case RSVP_CTYPE_3:
886 if (obj_tlen < 12)
887 return-1;
888 printf("%s L3 Protocol ID: %s",
889 ident,
890 tok2str(ethertype_values,
891 "Unknown Protocol (0x%04x)",
892 EXTRACT_16BITS(obj_tptr+2)));
893 printf("%s Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI",
894 ident,
895 (EXTRACT_32BITS(obj_tptr+4))&0x7fffff,
896 (EXTRACT_32BITS(obj_tptr+8))&0x7fffff,
897 (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "",
898 (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 2 ) ? "23" : "");
899 obj_tlen-=12;
900 obj_tptr+=12;
901 break;
902 case RSVP_CTYPE_4:
903 if (obj_tlen < 8)
904 return-1;
905 printf("%s LSP Encoding Type: %s (%u)",
906 ident,
907 tok2str(gmpls_encoding_values,
908 "Unknown",
909 *obj_tptr),
910 *obj_tptr);
911 printf("%s Switching Type: %s (%u), Payload ID: %s (0x%04x)",
912 ident,
913 tok2str(gmpls_switch_cap_values,
914 "Unknown",
915 *(obj_tptr+1)),
916 *(obj_tptr+1),
917 tok2str(gmpls_payload_values,
918 "Unknown",
919 EXTRACT_16BITS(obj_tptr+2)),
920 EXTRACT_16BITS(obj_tptr+2));
921 obj_tlen-=8;
922 obj_tptr+=8;
923 break;
924 default:
925 hexdump=TRUE;
926 }
927 break;
928
929 case RSVP_OBJ_RRO:
930 case RSVP_OBJ_ERO:
931 switch(rsvp_obj_ctype) {
932 case RSVP_CTYPE_IPV4:
933 while(obj_tlen >= 4 ) {
934 printf("%s Subobject Type: %s, length %u",
935 ident,
936 tok2str(rsvp_obj_xro_values,
937 "Unknown %u",
938 RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)),
939 *(obj_tptr+1));
940
941 if (*(obj_tptr+1) == 0) { /* prevent infinite loops */
942 printf("%s ERROR: zero length ERO subtype",ident);
943 break;
944 }
945
946 switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) {
947 case RSVP_OBJ_XRO_IPV4:
948 printf(", %s, %s/%u, Flags: [%s]",
949 RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
950 ipaddr_string(obj_tptr+2),
951 *(obj_tptr+6),
952 bittok2str(rsvp_obj_rro_flag_values,
953 "none",
954 *(obj_tptr+7))); /* rfc3209 says that this field is rsvd. */
955 }
956 obj_tlen-=*(obj_tptr+1);
957 obj_tptr+=*(obj_tptr+1);
958 }
959 break;
960 default:
961 hexdump=TRUE;
962 }
963 break;
964
965 case RSVP_OBJ_HELLO:
966 switch(rsvp_obj_ctype) {
967 case RSVP_CTYPE_1:
968 case RSVP_CTYPE_2:
969 if (obj_tlen < 8)
970 return-1;
971 printf("%s Source Instance: 0x%08x, Destination Instance: 0x%08x",
972 ident,
973 EXTRACT_32BITS(obj_tptr),
974 EXTRACT_32BITS(obj_tptr+4));
975 obj_tlen-=8;
976 obj_tptr+=8;
977 break;
978 default:
979 hexdump=TRUE;
980 }
981 break;
982
983 case RSVP_OBJ_RESTART_CAPABILITY:
984 switch(rsvp_obj_ctype) {
985 case RSVP_CTYPE_1:
986 if (obj_tlen < 8)
987 return-1;
988 printf("%s Restart Time: %ums, Recovery Time: %ums",
989 ident,
990 EXTRACT_32BITS(obj_tptr),
991 EXTRACT_32BITS(obj_tptr+4));
992 obj_tlen-=8;
993 obj_tptr+=8;
994 break;
995 default:
996 hexdump=TRUE;
997 }
998 break;
999
1000 case RSVP_OBJ_SESSION_ATTRIBUTE:
1001 switch(rsvp_obj_ctype) {
1002 case RSVP_CTYPE_TUNNEL_IPV4:
1003 if (obj_tlen < 4)
1004 return-1;
1005 namelen = *(obj_tptr+3);
1006 if (obj_tlen < 4+namelen)
1007 return-1;
1008 printf("%s Session Name: ", ident);
1009 for (i = 0; i < namelen; i++)
1010 safeputchar(*(obj_tptr+4+i));
1011 printf("%s Setup Priority: %u, Holding Priority: %u, Flags: [%s]",
1012 ident,
1013 (int)*obj_tptr,
1014 (int)*(obj_tptr+1),
1015 tok2str(rsvp_session_attribute_flag_values,
1016 "none",
1017 *(obj_tptr+2)));
1018
1019 obj_tlen-=4+*(obj_tptr+3);
1020 obj_tptr+=4+*(obj_tptr+3);
1021 break;
1022 default:
1023 hexdump=TRUE;
1024 }
1025 break;
1026
1027 case RSVP_OBJ_RSVP_HOP:
1028 switch(rsvp_obj_ctype) {
1029 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1030 case RSVP_CTYPE_IPV4:
1031 if (obj_tlen < 8)
1032 return-1;
1033 printf("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1034 ident,
1035 ipaddr_string(obj_tptr),
1036 EXTRACT_32BITS(obj_tptr+4));
1037 obj_tlen-=8;
1038 obj_tptr+=8;
1039 if (obj_tlen)
1040 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1041 break;
1042 #ifdef INET6
1043 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1044 case RSVP_CTYPE_IPV6:
1045 if (obj_tlen < 20)
1046 return-1;
1047 printf("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1048 ident,
1049 ip6addr_string(obj_tptr),
1050 EXTRACT_32BITS(obj_tptr+16));
1051 obj_tlen-=20;
1052 obj_tptr+=20;
1053 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1054 break;
1055 #endif
1056 default:
1057 hexdump=TRUE;
1058 }
1059 break;
1060
1061 case RSVP_OBJ_TIME_VALUES:
1062 switch(rsvp_obj_ctype) {
1063 case RSVP_CTYPE_1:
1064 if (obj_tlen < 4)
1065 return-1;
1066 printf("%s Refresh Period: %ums",
1067 ident,
1068 EXTRACT_32BITS(obj_tptr));
1069 obj_tlen-=4;
1070 obj_tptr+=4;
1071 break;
1072 default:
1073 hexdump=TRUE;
1074 }
1075 break;
1076
1077 /* those three objects do share the same semantics */
1078 case RSVP_OBJ_SENDER_TSPEC:
1079 case RSVP_OBJ_ADSPEC:
1080 case RSVP_OBJ_FLOWSPEC:
1081 switch(rsvp_obj_ctype) {
1082 case RSVP_CTYPE_2:
1083 if (obj_tlen < 4)
1084 return-1;
1085 printf("%s Msg-Version: %u, length: %u",
1086 ident,
1087 (*obj_tptr & 0xf0) >> 4,
1088 EXTRACT_16BITS(obj_tptr+2)<<2);
1089 obj_tptr+=4; /* get to the start of the service header */
1090 obj_tlen-=4;
1091
1092 while (obj_tlen >= 4) {
1093 intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
1094 printf("%s Service Type: %s (%u), break bit %s set, Service length: %u",
1095 ident,
1096 tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)),
1097 *(obj_tptr),
1098 (*(obj_tptr+1)&0x80) ? "" : "not",
1099 intserv_serv_tlen);
1100
1101 obj_tptr+=4; /* get to the start of the parameter list */
1102 obj_tlen-=4;
1103
1104 while (intserv_serv_tlen>=4) {
1105 processed = rsvp_intserv_print(obj_tptr, obj_tlen);
1106 if (processed == 0)
1107 break;
1108 obj_tlen-=processed;
1109 intserv_serv_tlen-=processed;
1110 obj_tptr+=processed;
1111 }
1112 }
1113 break;
1114 default:
1115 hexdump=TRUE;
1116 }
1117 break;
1118
1119 case RSVP_OBJ_FILTERSPEC:
1120 switch(rsvp_obj_ctype) {
1121 case RSVP_CTYPE_IPV4:
1122 if (obj_tlen < 8)
1123 return-1;
1124 printf("%s Source Address: %s, Source Port: %u",
1125 ident,
1126 ipaddr_string(obj_tptr),
1127 EXTRACT_16BITS(obj_tptr+6));
1128 obj_tlen-=8;
1129 obj_tptr+=8;
1130 break;
1131 #ifdef INET6
1132 case RSVP_CTYPE_IPV6:
1133 if (obj_tlen < 20)
1134 return-1;
1135 printf("%s Source Address: %s, Source Port: %u",
1136 ident,
1137 ip6addr_string(obj_tptr),
1138 EXTRACT_16BITS(obj_tptr+18));
1139 obj_tlen-=20;
1140 obj_tptr+=20;
1141 break;
1142 case RSVP_CTYPE_3:
1143 if (obj_tlen < 20)
1144 return-1;
1145 printf("%s Source Address: %s, Flow Label: %u",
1146 ident,
1147 ip6addr_string(obj_tptr),
1148 EXTRACT_24BITS(obj_tptr+17));
1149 obj_tlen-=20;
1150 obj_tptr+=20;
1151 break;
1152 case RSVP_CTYPE_TUNNEL_IPV6:
1153 if (obj_tlen < 20)
1154 return-1;
1155 printf("%s Source Address: %s, LSP-ID: 0x%04x",
1156 ident,
1157 ipaddr_string(obj_tptr),
1158 EXTRACT_16BITS(obj_tptr+18));
1159 obj_tlen-=20;
1160 obj_tptr+=20;
1161 break;
1162 #endif
1163 case RSVP_CTYPE_TUNNEL_IPV4:
1164 if (obj_tlen < 8)
1165 return-1;
1166 printf("%s Source Address: %s, LSP-ID: 0x%04x",
1167 ident,
1168 ipaddr_string(obj_tptr),
1169 EXTRACT_16BITS(obj_tptr+6));
1170 obj_tlen-=8;
1171 obj_tptr+=8;
1172 break;
1173 default:
1174 hexdump=TRUE;
1175 }
1176 break;
1177
1178 case RSVP_OBJ_FASTREROUTE:
1179 /* the differences between c-type 1 and 7 are minor */
1180 obj_ptr.rsvp_obj_frr = (const struct rsvp_obj_frr_t *)obj_tptr;
1181 bw.i = EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->bandwidth);
1182
1183 switch(rsvp_obj_ctype) {
1184 case RSVP_CTYPE_1: /* new style */
1185 if (obj_tlen < sizeof(struct rsvp_obj_frr_t))
1186 return-1;
1187 printf("%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1188 ident,
1189 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1190 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1191 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1192 bw.f*8/1000000);
1193 printf("%s Include-any: 0x%08x, Exclude-any: 0x%08x, Include-all: 0x%08x",
1194 ident,
1195 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1196 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any),
1197 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_all));
1198 obj_tlen-=sizeof(struct rsvp_obj_frr_t);
1199 obj_tptr+=sizeof(struct rsvp_obj_frr_t);
1200 break;
1201
1202 case RSVP_CTYPE_TUNNEL_IPV4: /* old style */
1203 if (obj_tlen < 16)
1204 return-1;
1205 printf("%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1206 ident,
1207 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1208 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1209 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1210 bw.f*8/1000000);
1211 printf("%s Include Colors: 0x%08x, Exclude Colors: 0x%08x",
1212 ident,
1213 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1214 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any));
1215 obj_tlen-=16;
1216 obj_tptr+=16;
1217 break;
1218
1219 default:
1220 hexdump=TRUE;
1221 }
1222 break;
1223
1224 case RSVP_OBJ_DETOUR:
1225 switch(rsvp_obj_ctype) {
1226 case RSVP_CTYPE_TUNNEL_IPV4:
1227 while(obj_tlen >= 8) {
1228 printf("%s PLR-ID: %s, Avoid-Node-ID: %s",
1229 ident,
1230 ipaddr_string(obj_tptr),
1231 ipaddr_string(obj_tptr+4));
1232 obj_tlen-=8;
1233 obj_tptr+=8;
1234 }
1235 break;
1236 default:
1237 hexdump=TRUE;
1238 }
1239 break;
1240
1241 case RSVP_OBJ_CLASSTYPE:
1242 case RSVP_OBJ_CLASSTYPE_OLD: /* fall through */
1243 switch(rsvp_obj_ctype) {
1244 case RSVP_CTYPE_1:
1245 printf("%s CT: %u",
1246 ident,
1247 EXTRACT_32BITS(obj_tptr)&0x7);
1248 obj_tlen-=4;
1249 obj_tptr+=4;
1250 break;
1251 default:
1252 hexdump=TRUE;
1253 }
1254 break;
1255
1256 case RSVP_OBJ_ERROR_SPEC:
1257 switch(rsvp_obj_ctype) {
1258 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1259 case RSVP_CTYPE_IPV4:
1260 if (obj_tlen < 8)
1261 return-1;
1262 error_code=*(obj_tptr+5);
1263 error_value=EXTRACT_16BITS(obj_tptr+6);
1264 printf("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1265 ident,
1266 ipaddr_string(obj_tptr),
1267 *(obj_tptr+4),
1268 ident,
1269 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1270 error_code);
1271 switch (error_code) {
1272 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1273 printf(", Error Value: %s (%u)",
1274 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1275 error_value);
1276 break;
1277 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE: /* fall through */
1278 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD:
1279 printf(", Error Value: %s (%u)",
1280 tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value),
1281 error_value);
1282 break;
1283 default:
1284 printf(", Unknown Error Value (%u)", error_value);
1285 break;
1286 }
1287 obj_tlen-=8;
1288 obj_tptr+=8;
1289 break;
1290 #ifdef INET6
1291 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1292 case RSVP_CTYPE_IPV6:
1293 if (obj_tlen < 20)
1294 return-1;
1295 error_code=*(obj_tptr+17);
1296 error_value=EXTRACT_16BITS(obj_tptr+18);
1297 printf("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1298 ident,
1299 ip6addr_string(obj_tptr),
1300 *(obj_tptr+16),
1301 ident,
1302 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1303 error_code);
1304
1305 switch (error_code) {
1306 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1307 printf(", Error Value: %s (%u)",
1308 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1309 error_value);
1310 break;
1311 default:
1312 break;
1313 }
1314 obj_tlen-=20;
1315 obj_tptr+=20;
1316 break;
1317 #endif
1318 default:
1319 hexdump=TRUE;
1320 }
1321 break;
1322
1323 case RSVP_OBJ_PROPERTIES:
1324 switch(rsvp_obj_ctype) {
1325 case RSVP_CTYPE_1:
1326 if (obj_tlen < 4)
1327 return-1;
1328 padbytes = EXTRACT_16BITS(obj_tptr+2);
1329 printf("%s TLV count: %u, padding bytes: %u",
1330 ident,
1331 EXTRACT_16BITS(obj_tptr),
1332 padbytes);
1333 obj_tlen-=4;
1334 obj_tptr+=4;
1335 /* loop through as long there is anything longer than the TLV header (2) */
1336 while(obj_tlen >= 2 + padbytes) {
1337 printf("%s %s TLV (0x%02x), length: %u", /* length includes header */
1338 ident,
1339 tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
1340 *obj_tptr,
1341 *(obj_tptr+1));
1342 if (obj_tlen < *(obj_tptr+1))
1343 return-1;
1344 if (*(obj_tptr+1) < 2)
1345 return -1;
1346 print_unknown_data(obj_tptr+2,"\n\t\t",*(obj_tptr+1)-2);
1347 obj_tlen-=*(obj_tptr+1);
1348 obj_tptr+=*(obj_tptr+1);
1349 }
1350 break;
1351 default:
1352 hexdump=TRUE;
1353 }
1354 break;
1355
1356 case RSVP_OBJ_MESSAGE_ID: /* fall through */
1357 case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */
1358 case RSVP_OBJ_MESSAGE_ID_LIST:
1359 switch(rsvp_obj_ctype) {
1360 case RSVP_CTYPE_1:
1361 if (obj_tlen < 8)
1362 return-1;
1363 printf("%s Flags [0x%02x], epoch: %u",
1364 ident,
1365 *obj_tptr,
1366 EXTRACT_24BITS(obj_tptr+1));
1367 obj_tlen-=4;
1368 obj_tptr+=4;
1369 /* loop through as long there are no messages left */
1370 while(obj_tlen >= 4) {
1371 printf("%s Message-ID 0x%08x (%u)",
1372 ident,
1373 EXTRACT_32BITS(obj_tptr),
1374 EXTRACT_32BITS(obj_tptr));
1375 obj_tlen-=4;
1376 obj_tptr+=4;
1377 }
1378 break;
1379 default:
1380 hexdump=TRUE;
1381 }
1382 break;
1383
1384 case RSVP_OBJ_INTEGRITY:
1385 switch(rsvp_obj_ctype) {
1386 case RSVP_CTYPE_1:
1387 if (obj_tlen < sizeof(struct rsvp_obj_integrity_t))
1388 return-1;
1389 obj_ptr.rsvp_obj_integrity = (const struct rsvp_obj_integrity_t *)obj_tptr;
1390 printf("%s Key-ID 0x%04x%08x, Sequence 0x%08x%08x, Flags [%s]",
1391 ident,
1392 EXTRACT_16BITS(obj_ptr.rsvp_obj_integrity->key_id),
1393 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->key_id+2),
1394 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence),
1395 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence+4),
1396 bittok2str(rsvp_obj_integrity_flag_values,
1397 "none",
1398 obj_ptr.rsvp_obj_integrity->flags));
1399 printf("%s MD5-sum 0x%08x%08x%08x%08x (unverified)",
1400 ident,
1401 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest),
1402 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+4),
1403 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+8),
1404 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+12));
1405 obj_tlen+=sizeof(struct rsvp_obj_integrity_t);
1406 obj_tptr+=sizeof(struct rsvp_obj_integrity_t);
1407 break;
1408 default:
1409 hexdump=TRUE;
1410 }
1411 break;
1412
1413 /*
1414 * FIXME those are the defined objects that lack a decoder
1415 * you are welcome to contribute code ;-)
1416 */
1417
1418 case RSVP_OBJ_SCOPE:
1419 case RSVP_OBJ_POLICY_DATA:
1420 case RSVP_OBJ_LABEL_SET:
1421 case RSVP_OBJ_ACCEPT_LABEL_SET:
1422 case RSVP_OBJ_PROTECTION:
1423 default:
1424 if (vflag <= 1)
1425 print_unknown_data(obj_tptr,"\n\t ",obj_tlen); /* FIXME indentation */
1426 break;
1427 }
1428 /* do we also want to see a hex dump ? */
1429 if (vflag > 1 || hexdump==TRUE)
1430 print_unknown_data(tptr+sizeof(sizeof(struct rsvp_object_header)),"\n\t ", /* FIXME indentation */
1431 rsvp_obj_len-sizeof(struct rsvp_object_header));
1432
1433 tptr+=rsvp_obj_len;
1434 tlen-=rsvp_obj_len;
1435 }
1436 return 0;
1437 trunc:
1438 printf("\n\t\t packet exceeded snapshot");
1439 return -1;
1440 }
1441
1442
1443 void
1444 rsvp_print(register const u_char *pptr, register u_int len) {
1445
1446 const struct rsvp_common_header *rsvp_com_header;
1447 const u_char *tptr,*subtptr;
1448 u_short tlen,subtlen;
1449
1450 tptr=pptr;
1451
1452 rsvp_com_header = (const struct rsvp_common_header *)pptr;
1453 TCHECK(*rsvp_com_header);
1454
1455 /*
1456 * Sanity checking of the header.
1457 */
1458 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1459 printf("ERROR: RSVP version %u packet not supported",
1460 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags));
1461 return;
1462 }
1463
1464 /* in non-verbose mode just lets print the basic Message Type*/
1465 if (vflag < 1) {
1466 printf("RSVPv%u %s Message, length: %u",
1467 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1468 tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
1469 len);
1470 return;
1471 }
1472
1473 /* ok they seem to want to know everything - lets fully decode it */
1474
1475 tlen=EXTRACT_16BITS(rsvp_com_header->length);
1476
1477 printf("\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1478 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1479 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1480 rsvp_com_header->msg_type,
1481 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1482 tlen,
1483 rsvp_com_header->ttl,
1484 EXTRACT_16BITS(rsvp_com_header->checksum));
1485
1486 if (tlen < sizeof(const struct rsvp_common_header)) {
1487 printf("ERROR: common header too short %u < %lu", tlen,
1488 (unsigned long)sizeof(const struct rsvp_common_header));
1489 return;
1490 }
1491
1492 tptr+=sizeof(const struct rsvp_common_header);
1493 tlen-=sizeof(const struct rsvp_common_header);
1494
1495 switch(rsvp_com_header->msg_type) {
1496
1497 case RSVP_MSGTYPE_AGGREGATE:
1498 while(tlen > 0) {
1499 subtptr=tptr;
1500 rsvp_com_header = (const struct rsvp_common_header *)subtptr;
1501 TCHECK(*rsvp_com_header);
1502
1503 /*
1504 * Sanity checking of the header.
1505 */
1506 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1507 printf("ERROR: RSVP version %u packet not supported",
1508 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags));
1509 return;
1510 }
1511 subtlen=EXTRACT_16BITS(rsvp_com_header->length);
1512
1513 printf("\n\t RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1514 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1515 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1516 rsvp_com_header->msg_type,
1517 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1518 subtlen,
1519 rsvp_com_header->ttl,
1520 EXTRACT_16BITS(rsvp_com_header->checksum));
1521
1522 if (subtlen < sizeof(const struct rsvp_common_header)) {
1523 printf("ERROR: common header too short %u < %lu", subtlen,
1524 (unsigned long)sizeof(const struct rsvp_common_header));
1525 return;
1526 }
1527
1528 if (tlen < subtlen) {
1529 printf("ERROR: common header too large %u > %u", subtlen,
1530 tlen);
1531 return;
1532 }
1533
1534 subtptr+=sizeof(const struct rsvp_common_header);
1535 subtlen-=sizeof(const struct rsvp_common_header);
1536
1537 if (rsvp_obj_print(subtptr,"\n\t ", subtlen) == -1)
1538 return;
1539
1540 tptr+=subtlen+sizeof(const struct rsvp_common_header);
1541 tlen-=subtlen+sizeof(const struct rsvp_common_header);
1542 }
1543
1544 break;
1545
1546 case RSVP_MSGTYPE_PATH:
1547 case RSVP_MSGTYPE_RESV:
1548 case RSVP_MSGTYPE_PATHERR:
1549 case RSVP_MSGTYPE_RESVERR:
1550 case RSVP_MSGTYPE_PATHTEAR:
1551 case RSVP_MSGTYPE_RESVTEAR:
1552 case RSVP_MSGTYPE_RESVCONF:
1553 case RSVP_MSGTYPE_HELLO_OLD:
1554 case RSVP_MSGTYPE_HELLO:
1555 case RSVP_MSGTYPE_ACK:
1556 case RSVP_MSGTYPE_SREFRESH:
1557 if (rsvp_obj_print(tptr,"\n\t ", tlen) == -1)
1558 return;
1559 break;
1560
1561 default:
1562 print_unknown_data(tptr,"\n\t ",tlen);
1563 break;
1564 }
1565
1566 return;
1567 trunc:
1568 printf("\n\t\t packet exceeded snapshot");
1569 }
[mirror] the TCPdump network dissector