]> The Tcpdump Group git mirrors - tcpdump/blob - print-rsvp.c
projects / tcpdump / blob
summary | shortlog | log | commit | commitdiff | tree
history | raw | HEAD
From Carles Kishimoto <[email protected]>:
[tcpdump] / print-rsvp.c
1 /*
2 * Copyright (c) 1998-2007 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 1.46 2007-02-26 11:07:06 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 /* rfc2961 */
138 #define RSVP_OBJ_MESSAGE_ID_ACK 24 /* rfc2961 */
139 #define RSVP_OBJ_MESSAGE_ID_LIST 25 /* rfc2961 */
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, "Message id ack" },
242 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_2, "Message id nack" },
243 { 256*RSVP_OBJ_MESSAGE_ID_LIST+RSVP_CTYPE_1, "1" },
244 { 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1, "1" },
245 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1, "Hello Request" },
246 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2, "Hello Ack" },
247 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1, "without label range" },
248 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2, "with ATM label range" },
249 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3, "with FR label range" },
250 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4, "Generalized Label" },
251 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1, "Label" },
252 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_2, "Generalized Label" },
253 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
254 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1, "Label" },
255 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_2, "Generalized Label" },
256 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
257 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1, "Label" },
258 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_2, "Generalized Label" },
259 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
260 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_1, "Label" },
261 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_2, "Generalized Label" },
262 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
263 { 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4, "IPv4" },
264 { 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4, "IPv4" },
265 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4, "IPv4" },
266 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6, "IPv6" },
267 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
268 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
269 { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1, "IPv4" },
270 { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
271 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, /* old style*/
272 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_1, "1" }, /* new style */
273 { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
274 { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1, "1" },
275 { 256*RSVP_OBJ_ADMIN_STATUS+RSVP_CTYPE_1, "1" },
276 { 256*RSVP_OBJ_CLASSTYPE+RSVP_CTYPE_1, "1" },
277 { 256*RSVP_OBJ_CLASSTYPE_OLD+RSVP_CTYPE_1, "1" },
278 { 256*RSVP_OBJ_LABEL_SET+RSVP_CTYPE_1, "1" },
279 { 0, NULL}
280 };
281
282 struct rsvp_obj_integrity_t {
283 u_int8_t flags;
284 u_int8_t res;
285 u_int8_t key_id[6];
286 u_int8_t sequence[8];
287 u_int8_t digest[16];
288 };
289
290 static const struct tok rsvp_obj_integrity_flag_values[] = {
291 { 0x80, "Handshake" },
292 { 0, NULL}
293 };
294
295 struct rsvp_obj_frr_t {
296 u_int8_t setup_prio;
297 u_int8_t hold_prio;
298 u_int8_t hop_limit;
299 u_int8_t flags;
300 u_int8_t bandwidth[4];
301 u_int8_t include_any[4];
302 u_int8_t exclude_any[4];
303 u_int8_t include_all[4];
304 };
305
306
307 #define RSVP_OBJ_XRO_MASK_SUBOBJ(x) ((x)&0x7f)
308 #define RSVP_OBJ_XRO_MASK_LOOSE(x) ((x)&0x80)
309
310 #define RSVP_OBJ_XRO_RES 0
311 #define RSVP_OBJ_XRO_IPV4 1
312 #define RSVP_OBJ_XRO_IPV6 2
313 #define RSVP_OBJ_XRO_ASN 32
314 #define RSVP_OBJ_XRO_MPLS 64
315
316 static const struct tok rsvp_obj_xro_values[] = {
317 { RSVP_OBJ_XRO_RES, "Reserved" },
318 { RSVP_OBJ_XRO_IPV4, "IPv4 prefix" },
319 { RSVP_OBJ_XRO_IPV6, "IPv6 prefix" },
320 { RSVP_OBJ_XRO_ASN, "Autonomous system number" },
321 { RSVP_OBJ_XRO_MPLS, "MPLS label switched path termination" },
322 { 0, NULL}
323 };
324
325 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07.txt */
326 static const struct tok rsvp_obj_rro_flag_values[] = {
327 { 0x01, "Local protection available" },
328 { 0x02, "Local protection in use" },
329 { 0x04, "Bandwidth protection" },
330 { 0x08, "Node protection" },
331 { 0, NULL}
332 };
333
334 static const struct tok rsvp_resstyle_values[] = {
335 { 17, "Wildcard Filter" },
336 { 10, "Fixed Filter" },
337 { 18, "Shared Explicit" },
338 { 0, NULL}
339 };
340
341 #define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2
342 #define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5
343
344 static const struct tok rsvp_intserv_service_type_values[] = {
345 { 1, "Default/Global Information" },
346 { RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" },
347 { RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" },
348 { 0, NULL}
349 };
350
351 static const struct tok rsvp_intserv_parameter_id_values[] = {
352 { 4, "IS hop cnt" },
353 { 6, "Path b/w estimate" },
354 { 8, "Minimum path latency" },
355 { 10, "Composed MTU" },
356 { 127, "Token Bucket TSpec" },
357 { 130, "Guaranteed Service RSpec" },
358 { 133, "End-to-end composed value for C" },
359 { 134, "End-to-end composed value for D" },
360 { 135, "Since-last-reshaping point composed C" },
361 { 136, "Since-last-reshaping point composed D" },
362 { 0, NULL}
363 };
364
365 static struct tok rsvp_session_attribute_flag_values[] = {
366 { 0x01, "Local Protection desired" },
367 { 0x02, "Label Recording desired" },
368 { 0x04, "SE Style desired" },
369 { 0x08, "Bandwidth protection desired" }, /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
370 { 0x10, "Node protection desired" }, /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
371 { 0, NULL}
372 };
373
374 static struct tok rsvp_obj_prop_tlv_values[] = {
375 { 0x01, "Cos" },
376 { 0x02, "Metric 1" },
377 { 0x04, "Metric 2" },
378 { 0x08, "CCC Status" },
379 { 0x10, "Path Type" },
380 { 0, NULL}
381 };
382
383 #define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24
384 #define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY 25
385 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 28
386 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD 125
387
388 static struct tok rsvp_obj_error_code_values[] = {
389 { RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" },
390 { RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY, "Notify Error" },
391 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE, "Diffserv TE Error" },
392 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD, "Diffserv TE Error (Old)" },
393 { 0, NULL}
394 };
395
396 static struct tok rsvp_obj_error_code_routing_values[] = {
397 { 1, "Bad EXPLICIT_ROUTE object" },
398 { 2, "Bad strict node" },
399 { 3, "Bad loose node" },
400 { 4, "Bad initial subobject" },
401 { 5, "No route available toward destination" },
402 { 6, "Unacceptable label value" },
403 { 7, "RRO indicated routing loops" },
404 { 8, "non-RSVP-capable router in the path" },
405 { 9, "MPLS label allocation failure" },
406 { 10, "Unsupported L3PID" },
407 { 0, NULL}
408 };
409
410 static struct tok rsvp_obj_error_code_diffserv_te_values[] = {
411 { 1, "Unexpected CT object" },
412 { 2, "Unsupported CT" },
413 { 3, "Invalid CT value" },
414 { 4, "CT/setup priority do not form a configured TE-Class" },
415 { 5, "CT/holding priority do not form a configured TE-Class" },
416 { 6, "CT/setup priority and CT/holding priority do not form a configured TE-Class" },
417 { 7, "Inconsistency between signaled PSC and signaled CT" },
418 { 8, "Inconsistency between signaled PHBs and signaled CT" },
419 { 0, NULL}
420 };
421
422 /* rfc3473 / rfc 3471 */
423 static const struct tok rsvp_obj_admin_status_flag_values[] = {
424 { 0x80000000, "Reflect" },
425 { 0x00000004, "Testing" },
426 { 0x00000002, "Admin-down" },
427 { 0x00000001, "Delete-in-progress" },
428 { 0, NULL}
429 };
430
431 /* label set actions - rfc3471 */
432 #define LABEL_SET_INCLUSIVE_LIST 0
433 #define LABEL_SET_EXCLUSIVE_LIST 1
434 #define LABEL_SET_INCLUSIVE_RANGE 2
435 #define LABEL_SET_EXCLUSIVE_RANGE 3
436
437 static const struct tok label_set_action_values[] = {
438 { LABEL_SET_INCLUSIVE_LIST, "Inclusive list" },
439 { LABEL_SET_EXCLUSIVE_LIST, "Exclusive list" },
440 { LABEL_SET_INCLUSIVE_RANGE, "Inclusive range" },
441 { LABEL_SET_EXCLUSIVE_RANGE, "Exclusive range" },
442 { 0, NULL}
443 };
444
445 static int rsvp_intserv_print(const u_char *, u_short);
446
447 /*
448 * this is a dissector for all the intserv defined
449 * specs as defined per rfc2215
450 * it is called from various rsvp objects;
451 * returns the amount of bytes being processed
452 */
453 static int
454 rsvp_intserv_print(const u_char *tptr, u_short obj_tlen) {
455
456 int parameter_id,parameter_length;
457 union {
458 float f;
459 u_int32_t i;
460 } bw;
461
462 if (obj_tlen < 4)
463 return 0;
464 parameter_id = *(tptr);
465 parameter_length = EXTRACT_16BITS(tptr+2)<<2; /* convert wordcount to bytecount */
466
467 printf("\n\t Parameter ID: %s (%u), length: %u, Flags: [0x%02x]",
468 tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id),
469 parameter_id,
470 parameter_length,
471 *(tptr+1));
472
473 if (obj_tlen < parameter_length+4)
474 return 0;
475 switch(parameter_id) { /* parameter_id */
476
477 case 4:
478 /*
479 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
480 * | 4 (e) | (f) | 1 (g) |
481 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
482 * | IS hop cnt (32-bit unsigned integer) |
483 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
484 */
485 if (parameter_length == 4)
486 printf("\n\t\tIS hop count: %u", EXTRACT_32BITS(tptr+4));
487 break;
488
489 case 6:
490 /*
491 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
492 * | 6 (h) | (i) | 1 (j) |
493 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
494 * | Path b/w estimate (32-bit IEEE floating point number) |
495 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
496 */
497 if (parameter_length == 4) {
498 bw.i = EXTRACT_32BITS(tptr+4);
499 printf("\n\t\tPath b/w estimate: %.10g Mbps", bw.f/125000);
500 }
501 break;
502
503 case 8:
504 /*
505 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
506 * | 8 (k) | (l) | 1 (m) |
507 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
508 * | Minimum path latency (32-bit integer) |
509 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
510 */
511 if (parameter_length == 4) {
512 printf("\n\t\tMinimum path latency: ");
513 if (EXTRACT_32BITS(tptr+4) == 0xffffffff)
514 printf("don't care");
515 else
516 printf("%u", EXTRACT_32BITS(tptr+4));
517 }
518 break;
519
520 case 10:
521
522 /*
523 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
524 * | 10 (n) | (o) | 1 (p) |
525 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
526 * | Composed MTU (32-bit unsigned integer) |
527 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
528 */
529 if (parameter_length == 4)
530 printf("\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr+4));
531 break;
532 case 127:
533 /*
534 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
535 * | 127 (e) | 0 (f) | 5 (g) |
536 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
537 * | Token Bucket Rate [r] (32-bit IEEE floating point number) |
538 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
539 * | Token Bucket Size [b] (32-bit IEEE floating point number) |
540 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
541 * | Peak Data Rate [p] (32-bit IEEE floating point number) |
542 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
543 * | Minimum Policed Unit [m] (32-bit integer) |
544 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
545 * | Maximum Packet Size [M] (32-bit integer) |
546 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
547 */
548
549 if (parameter_length == 20) {
550 bw.i = EXTRACT_32BITS(tptr+4);
551 printf("\n\t\tToken Bucket Rate: %.10g Mbps", bw.f/125000);
552 bw.i = EXTRACT_32BITS(tptr+8);
553 printf("\n\t\tToken Bucket Size: %.10g bytes", bw.f);
554 bw.i = EXTRACT_32BITS(tptr+12);
555 printf("\n\t\tPeak Data Rate: %.10g Mbps", bw.f/125000);
556 printf("\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr+16));
557 printf("\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr+20));
558 }
559 break;
560
561 case 130:
562 /*
563 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
564 * | 130 (h) | 0 (i) | 2 (j) |
565 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
566 * | Rate [R] (32-bit IEEE floating point number) |
567 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
568 * | Slack Term [S] (32-bit integer) |
569 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
570 */
571
572 if (parameter_length == 8) {
573 bw.i = EXTRACT_32BITS(tptr+4);
574 printf("\n\t\tRate: %.10g Mbps", bw.f/125000);
575 printf("\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr+8));
576 }
577 break;
578
579 case 133:
580 case 134:
581 case 135:
582 case 136:
583 if (parameter_length == 4)
584 printf("\n\t\tValue: %u", EXTRACT_32BITS(tptr+4));
585 break;
586
587 default:
588 if (vflag <= 1)
589 print_unknown_data(tptr+4,"\n\t\t",parameter_length);
590 }
591 return (parameter_length+4); /* header length 4 bytes */
592 }
593
594 static int
595 rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) {
596
597 const struct rsvp_object_header *rsvp_obj_header;
598 const u_char *obj_tptr;
599 union {
600 const struct rsvp_obj_integrity_t *rsvp_obj_integrity;
601 const struct rsvp_obj_frr_t *rsvp_obj_frr;
602 } obj_ptr;
603
604 u_short rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen;
605 int hexdump,processed,padbytes,error_code,error_value,i;
606 union {
607 float f;
608 u_int32_t i;
609 } bw;
610 u_int8_t namelen;
611
612 while(tlen>=sizeof(struct rsvp_object_header)) {
613 /* did we capture enough for fully decoding the object header ? */
614 if (!TTEST2(*tptr, sizeof(struct rsvp_object_header)))
615 goto trunc;
616
617 rsvp_obj_header = (const struct rsvp_object_header *)tptr;
618 rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length);
619 rsvp_obj_ctype=rsvp_obj_header->ctype;
620
621 if(rsvp_obj_len % 4) {
622 printf("%sERROR: object header size %u not a multiple of 4", ident, rsvp_obj_len);
623 return -1;
624 }
625 if(rsvp_obj_len < sizeof(struct rsvp_object_header)) {
626 printf("%sERROR: object header too short %u < %lu", ident, rsvp_obj_len,
627 (unsigned long)sizeof(const struct rsvp_object_header));
628 return -1;
629 }
630
631 printf("%s%s Object (%u) Flags: [%s",
632 ident,
633 tok2str(rsvp_obj_values,
634 "Unknown",
635 rsvp_obj_header->class_num),
636 rsvp_obj_header->class_num,
637 ((rsvp_obj_header->class_num)&0x80) ? "ignore" : "reject");
638
639 if (rsvp_obj_header->class_num > 128)
640 printf(" %s",
641 ((rsvp_obj_header->class_num)&0x40) ? "and forward" : "silently");
642
643 printf(" if unknown], Class-Type: %s (%u), length: %u",
644 tok2str(rsvp_ctype_values,
645 "Unknown",
646 ((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype),
647 rsvp_obj_ctype,
648 rsvp_obj_len);
649
650 if(tlen < rsvp_obj_len) {
651 printf("%sERROR: object goes past end of objects TLV", ident);
652 return -1;
653 }
654
655 obj_tptr=tptr+sizeof(struct rsvp_object_header);
656 obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
657
658 /* did we capture enough for fully decoding the object ? */
659 if (!TTEST2(*tptr, rsvp_obj_len))
660 return -1;
661 hexdump=FALSE;
662
663 switch(rsvp_obj_header->class_num) {
664 case RSVP_OBJ_SESSION:
665 switch(rsvp_obj_ctype) {
666 case RSVP_CTYPE_IPV4:
667 if (obj_tlen < 8)
668 return -1;
669 printf("%s IPv4 DestAddress: %s, Protocol ID: 0x%02x",
670 ident,
671 ipaddr_string(obj_tptr),
672 *(obj_tptr+sizeof(struct in_addr)));
673 printf("%s Flags: [0x%02x], DestPort %u",
674 ident,
675 *(obj_tptr+5),
676 EXTRACT_16BITS(obj_tptr+6));
677 obj_tlen-=8;
678 obj_tptr+=8;
679 break;
680 #ifdef INET6
681 case RSVP_CTYPE_IPV6:
682 if (obj_tlen < 20)
683 return -1;
684 printf("%s IPv6 DestAddress: %s, Protocol ID: 0x%02x",
685 ident,
686 ip6addr_string(obj_tptr),
687 *(obj_tptr+sizeof(struct in6_addr)));
688 printf("%s Flags: [0x%02x], DestPort %u",
689 ident,
690 *(obj_tptr+sizeof(struct in6_addr)+1),
691 EXTRACT_16BITS(obj_tptr+sizeof(struct in6_addr)+2));
692 obj_tlen-=20;
693 obj_tptr+=20;
694 break;
695
696 case RSVP_CTYPE_TUNNEL_IPV6:
697 if (obj_tlen < 36)
698 return -1;
699 printf("%s IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
700 ident,
701 ip6addr_string(obj_tptr),
702 EXTRACT_16BITS(obj_tptr+18),
703 ip6addr_string(obj_tptr+20));
704 obj_tlen-=36;
705 obj_tptr+=36;
706 break;
707 #endif
708 case RSVP_CTYPE_TUNNEL_IPV4:
709 if (obj_tlen < 12)
710 return -1;
711 printf("%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
712 ident,
713 ipaddr_string(obj_tptr),
714 EXTRACT_16BITS(obj_tptr+6),
715 ipaddr_string(obj_tptr+8));
716 obj_tlen-=12;
717 obj_tptr+=12;
718 break;
719 default:
720 hexdump=TRUE;
721 }
722 break;
723
724 case RSVP_OBJ_CONFIRM:
725 switch(rsvp_obj_ctype) {
726 case RSVP_CTYPE_IPV4:
727 if (obj_tlen < sizeof(struct in_addr))
728 return -1;
729 printf("%s IPv4 Receiver Address: %s",
730 ident,
731 ipaddr_string(obj_tptr));
732 obj_tlen-=sizeof(struct in_addr);
733 obj_tptr+=sizeof(struct in_addr);
734 break;
735 #ifdef INET6
736 case RSVP_CTYPE_IPV6:
737 if (obj_tlen < sizeof(struct in6_addr))
738 return -1;
739 printf("%s IPv6 Receiver Address: %s",
740 ident,
741 ip6addr_string(obj_tptr));
742 obj_tlen-=sizeof(struct in6_addr);
743 obj_tptr+=sizeof(struct in6_addr);
744 break;
745 #endif
746 default:
747 hexdump=TRUE;
748 }
749 break;
750
751 case RSVP_OBJ_NOTIFY_REQ:
752 switch(rsvp_obj_ctype) {
753 case RSVP_CTYPE_IPV4:
754 if (obj_tlen < sizeof(struct in_addr))
755 return -1;
756 printf("%s IPv4 Notify Node Address: %s",
757 ident,
758 ipaddr_string(obj_tptr));
759 obj_tlen-=sizeof(struct in_addr);
760 obj_tptr+=sizeof(struct in_addr);
761 break;
762 #ifdef INET6
763 case RSVP_CTYPE_IPV6:
764 if (obj_tlen < sizeof(struct in6_addr))
765 return-1;
766 printf("%s IPv6 Notify Node Address: %s",
767 ident,
768 ip6addr_string(obj_tptr));
769 obj_tlen-=sizeof(struct in6_addr);
770 obj_tptr+=sizeof(struct in6_addr);
771 break;
772 #endif
773 default:
774 hexdump=TRUE;
775 }
776 break;
777
778 case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
779 case RSVP_OBJ_UPSTREAM_LABEL: /* fall through */
780 case RSVP_OBJ_RECOVERY_LABEL: /* fall through */
781 case RSVP_OBJ_LABEL:
782 switch(rsvp_obj_ctype) {
783 case RSVP_CTYPE_1:
784 while(obj_tlen >= 4 ) {
785 printf("%s Label: %u", ident, EXTRACT_32BITS(obj_tptr));
786 obj_tlen-=4;
787 obj_tptr+=4;
788 }
789 break;
790 case RSVP_CTYPE_2:
791 if (obj_tlen < 4)
792 return-1;
793 printf("%s Generalized Label: %u",
794 ident,
795 EXTRACT_32BITS(obj_tptr));
796 obj_tlen-=4;
797 obj_tptr+=4;
798 break;
799 case RSVP_CTYPE_3:
800 if (obj_tlen < 12)
801 return-1;
802 printf("%s Waveband ID: %u%s Start Label: %u, Stop Label: %u",
803 ident,
804 EXTRACT_32BITS(obj_tptr),
805 ident,
806 EXTRACT_32BITS(obj_tptr+4),
807 EXTRACT_32BITS(obj_tptr+8));
808 obj_tlen-=12;
809 obj_tptr+=12;
810 break;
811 default:
812 hexdump=TRUE;
813 }
814 break;
815
816 case RSVP_OBJ_STYLE:
817 switch(rsvp_obj_ctype) {
818 case RSVP_CTYPE_1:
819 if (obj_tlen < 4)
820 return-1;
821 printf("%s Reservation Style: %s, Flags: [0x%02x]",
822 ident,
823 tok2str(rsvp_resstyle_values,
824 "Unknown",
825 EXTRACT_24BITS(obj_tptr+1)),
826 *(obj_tptr));
827 obj_tlen-=4;
828 obj_tptr+=4;
829 break;
830 default:
831 hexdump=TRUE;
832 }
833 break;
834
835 case RSVP_OBJ_SENDER_TEMPLATE:
836 switch(rsvp_obj_ctype) {
837 case RSVP_CTYPE_IPV4:
838 if (obj_tlen < 8)
839 return-1;
840 printf("%s Source Address: %s, Source Port: %u",
841 ident,
842 ipaddr_string(obj_tptr),
843 EXTRACT_16BITS(obj_tptr+6));
844 obj_tlen-=8;
845 obj_tptr+=8;
846 break;
847 #ifdef INET6
848 case RSVP_CTYPE_IPV6:
849 if (obj_tlen < 20)
850 return-1;
851 printf("%s Source Address: %s, Source Port: %u",
852 ident,
853 ip6addr_string(obj_tptr),
854 EXTRACT_16BITS(obj_tptr+18));
855 obj_tlen-=20;
856 obj_tptr+=20;
857 break;
858 #endif
859 case RSVP_CTYPE_TUNNEL_IPV4:
860 if (obj_tlen < 8)
861 return-1;
862 printf("%s IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
863 ident,
864 ipaddr_string(obj_tptr),
865 EXTRACT_16BITS(obj_tptr+6));
866 obj_tlen-=8;
867 obj_tptr+=8;
868 break;
869 default:
870 hexdump=TRUE;
871 }
872 break;
873
874 case RSVP_OBJ_LABEL_REQ:
875 switch(rsvp_obj_ctype) {
876 case RSVP_CTYPE_1:
877 while(obj_tlen >= 4 ) {
878 printf("%s L3 Protocol ID: %s",
879 ident,
880 tok2str(ethertype_values,
881 "Unknown Protocol (0x%04x)",
882 EXTRACT_16BITS(obj_tptr+2)));
883 obj_tlen-=4;
884 obj_tptr+=4;
885 }
886 break;
887 case RSVP_CTYPE_2:
888 if (obj_tlen < 12)
889 return-1;
890 printf("%s L3 Protocol ID: %s",
891 ident,
892 tok2str(ethertype_values,
893 "Unknown Protocol (0x%04x)",
894 EXTRACT_16BITS(obj_tptr+2)));
895 printf(",%s merge capability",((*(obj_tptr+4))&0x80) ? "no" : "" );
896 printf("%s Minimum VPI/VCI: %u/%u",
897 ident,
898 (EXTRACT_16BITS(obj_tptr+4))&0xfff,
899 (EXTRACT_16BITS(obj_tptr+6))&0xfff);
900 printf("%s Maximum VPI/VCI: %u/%u",
901 ident,
902 (EXTRACT_16BITS(obj_tptr+8))&0xfff,
903 (EXTRACT_16BITS(obj_tptr+10))&0xfff);
904 obj_tlen-=12;
905 obj_tptr+=12;
906 break;
907 case RSVP_CTYPE_3:
908 if (obj_tlen < 12)
909 return-1;
910 printf("%s L3 Protocol ID: %s",
911 ident,
912 tok2str(ethertype_values,
913 "Unknown Protocol (0x%04x)",
914 EXTRACT_16BITS(obj_tptr+2)));
915 printf("%s Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI",
916 ident,
917 (EXTRACT_32BITS(obj_tptr+4))&0x7fffff,
918 (EXTRACT_32BITS(obj_tptr+8))&0x7fffff,
919 (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "",
920 (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 2 ) ? "23" : "");
921 obj_tlen-=12;
922 obj_tptr+=12;
923 break;
924 case RSVP_CTYPE_4:
925 if (obj_tlen < 4)
926 return-1;
927 printf("%s LSP Encoding Type: %s (%u)",
928 ident,
929 tok2str(gmpls_encoding_values,
930 "Unknown",
931 *obj_tptr),
932 *obj_tptr);
933 printf("%s Switching Type: %s (%u), Payload ID: %s (0x%04x)",
934 ident,
935 tok2str(gmpls_switch_cap_values,
936 "Unknown",
937 *(obj_tptr+1)),
938 *(obj_tptr+1),
939 tok2str(gmpls_payload_values,
940 "Unknown",
941 EXTRACT_16BITS(obj_tptr+2)),
942 EXTRACT_16BITS(obj_tptr+2));
943 obj_tlen-=4;
944 obj_tptr+=4;
945 break;
946 default:
947 hexdump=TRUE;
948 }
949 break;
950
951 case RSVP_OBJ_RRO:
952 case RSVP_OBJ_ERO:
953 switch(rsvp_obj_ctype) {
954 case RSVP_CTYPE_IPV4:
955 while(obj_tlen >= 4 ) {
956 printf("%s Subobject Type: %s, length %u",
957 ident,
958 tok2str(rsvp_obj_xro_values,
959 "Unknown %u",
960 RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)),
961 *(obj_tptr+1));
962
963 if (*(obj_tptr+1) == 0) { /* prevent infinite loops */
964 printf("%s ERROR: zero length ERO subtype",ident);
965 break;
966 }
967
968 switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) {
969 case RSVP_OBJ_XRO_IPV4:
970 printf(", %s, %s/%u, Flags: [%s]",
971 RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
972 ipaddr_string(obj_tptr+2),
973 *(obj_tptr+6),
974 bittok2str(rsvp_obj_rro_flag_values,
975 "none",
976 *(obj_tptr+7))); /* rfc3209 says that this field is rsvd. */
977 }
978 obj_tlen-=*(obj_tptr+1);
979 obj_tptr+=*(obj_tptr+1);
980 }
981 break;
982 default:
983 hexdump=TRUE;
984 }
985 break;
986
987 case RSVP_OBJ_HELLO:
988 switch(rsvp_obj_ctype) {
989 case RSVP_CTYPE_1:
990 case RSVP_CTYPE_2:
991 if (obj_tlen < 8)
992 return-1;
993 printf("%s Source Instance: 0x%08x, Destination Instance: 0x%08x",
994 ident,
995 EXTRACT_32BITS(obj_tptr),
996 EXTRACT_32BITS(obj_tptr+4));
997 obj_tlen-=8;
998 obj_tptr+=8;
999 break;
1000 default:
1001 hexdump=TRUE;
1002 }
1003 break;
1004
1005 case RSVP_OBJ_RESTART_CAPABILITY:
1006 switch(rsvp_obj_ctype) {
1007 case RSVP_CTYPE_1:
1008 if (obj_tlen < 8)
1009 return-1;
1010 printf("%s Restart Time: %ums, Recovery Time: %ums",
1011 ident,
1012 EXTRACT_32BITS(obj_tptr),
1013 EXTRACT_32BITS(obj_tptr+4));
1014 obj_tlen-=8;
1015 obj_tptr+=8;
1016 break;
1017 default:
1018 hexdump=TRUE;
1019 }
1020 break;
1021
1022 case RSVP_OBJ_SESSION_ATTRIBUTE:
1023 switch(rsvp_obj_ctype) {
1024 case RSVP_CTYPE_TUNNEL_IPV4:
1025 if (obj_tlen < 4)
1026 return-1;
1027 namelen = *(obj_tptr+3);
1028 if (obj_tlen < 4+namelen)
1029 return-1;
1030 printf("%s Session Name: ", ident);
1031 for (i = 0; i < namelen; i++)
1032 safeputchar(*(obj_tptr+4+i));
1033 printf("%s Setup Priority: %u, Holding Priority: %u, Flags: [%s]",
1034 ident,
1035 (int)*obj_tptr,
1036 (int)*(obj_tptr+1),
1037 tok2str(rsvp_session_attribute_flag_values,
1038 "none",
1039 *(obj_tptr+2)));
1040
1041 obj_tlen-=4+*(obj_tptr+3);
1042 obj_tptr+=4+*(obj_tptr+3);
1043 break;
1044 default:
1045 hexdump=TRUE;
1046 }
1047 break;
1048
1049 case RSVP_OBJ_RSVP_HOP:
1050 switch(rsvp_obj_ctype) {
1051 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1052 case RSVP_CTYPE_IPV4:
1053 if (obj_tlen < 8)
1054 return-1;
1055 printf("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1056 ident,
1057 ipaddr_string(obj_tptr),
1058 EXTRACT_32BITS(obj_tptr+4));
1059 obj_tlen-=8;
1060 obj_tptr+=8;
1061 if (obj_tlen)
1062 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1063 break;
1064 #ifdef INET6
1065 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1066 case RSVP_CTYPE_IPV6:
1067 if (obj_tlen < 20)
1068 return-1;
1069 printf("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1070 ident,
1071 ip6addr_string(obj_tptr),
1072 EXTRACT_32BITS(obj_tptr+16));
1073 obj_tlen-=20;
1074 obj_tptr+=20;
1075 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1076 break;
1077 #endif
1078 default:
1079 hexdump=TRUE;
1080 }
1081 break;
1082
1083 case RSVP_OBJ_TIME_VALUES:
1084 switch(rsvp_obj_ctype) {
1085 case RSVP_CTYPE_1:
1086 if (obj_tlen < 4)
1087 return-1;
1088 printf("%s Refresh Period: %ums",
1089 ident,
1090 EXTRACT_32BITS(obj_tptr));
1091 obj_tlen-=4;
1092 obj_tptr+=4;
1093 break;
1094 default:
1095 hexdump=TRUE;
1096 }
1097 break;
1098
1099 /* those three objects do share the same semantics */
1100 case RSVP_OBJ_SENDER_TSPEC:
1101 case RSVP_OBJ_ADSPEC:
1102 case RSVP_OBJ_FLOWSPEC:
1103 switch(rsvp_obj_ctype) {
1104 case RSVP_CTYPE_2:
1105 if (obj_tlen < 4)
1106 return-1;
1107 printf("%s Msg-Version: %u, length: %u",
1108 ident,
1109 (*obj_tptr & 0xf0) >> 4,
1110 EXTRACT_16BITS(obj_tptr+2)<<2);
1111 obj_tptr+=4; /* get to the start of the service header */
1112 obj_tlen-=4;
1113
1114 while (obj_tlen >= 4) {
1115 intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
1116 printf("%s Service Type: %s (%u), break bit %s set, Service length: %u",
1117 ident,
1118 tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)),
1119 *(obj_tptr),
1120 (*(obj_tptr+1)&0x80) ? "" : "not",
1121 intserv_serv_tlen);
1122
1123 obj_tptr+=4; /* get to the start of the parameter list */
1124 obj_tlen-=4;
1125
1126 while (intserv_serv_tlen>=4) {
1127 processed = rsvp_intserv_print(obj_tptr, obj_tlen);
1128 if (processed == 0)
1129 break;
1130 obj_tlen-=processed;
1131 intserv_serv_tlen-=processed;
1132 obj_tptr+=processed;
1133 }
1134 }
1135 break;
1136 default:
1137 hexdump=TRUE;
1138 }
1139 break;
1140
1141 case RSVP_OBJ_FILTERSPEC:
1142 switch(rsvp_obj_ctype) {
1143 case RSVP_CTYPE_IPV4:
1144 if (obj_tlen < 8)
1145 return-1;
1146 printf("%s Source Address: %s, Source Port: %u",
1147 ident,
1148 ipaddr_string(obj_tptr),
1149 EXTRACT_16BITS(obj_tptr+6));
1150 obj_tlen-=8;
1151 obj_tptr+=8;
1152 break;
1153 #ifdef INET6
1154 case RSVP_CTYPE_IPV6:
1155 if (obj_tlen < 20)
1156 return-1;
1157 printf("%s Source Address: %s, Source Port: %u",
1158 ident,
1159 ip6addr_string(obj_tptr),
1160 EXTRACT_16BITS(obj_tptr+18));
1161 obj_tlen-=20;
1162 obj_tptr+=20;
1163 break;
1164 case RSVP_CTYPE_3:
1165 if (obj_tlen < 20)
1166 return-1;
1167 printf("%s Source Address: %s, Flow Label: %u",
1168 ident,
1169 ip6addr_string(obj_tptr),
1170 EXTRACT_24BITS(obj_tptr+17));
1171 obj_tlen-=20;
1172 obj_tptr+=20;
1173 break;
1174 case RSVP_CTYPE_TUNNEL_IPV6:
1175 if (obj_tlen < 20)
1176 return-1;
1177 printf("%s Source Address: %s, LSP-ID: 0x%04x",
1178 ident,
1179 ipaddr_string(obj_tptr),
1180 EXTRACT_16BITS(obj_tptr+18));
1181 obj_tlen-=20;
1182 obj_tptr+=20;
1183 break;
1184 #endif
1185 case RSVP_CTYPE_TUNNEL_IPV4:
1186 if (obj_tlen < 8)
1187 return-1;
1188 printf("%s Source Address: %s, LSP-ID: 0x%04x",
1189 ident,
1190 ipaddr_string(obj_tptr),
1191 EXTRACT_16BITS(obj_tptr+6));
1192 obj_tlen-=8;
1193 obj_tptr+=8;
1194 break;
1195 default:
1196 hexdump=TRUE;
1197 }
1198 break;
1199
1200 case RSVP_OBJ_FASTREROUTE:
1201 /* the differences between c-type 1 and 7 are minor */
1202 obj_ptr.rsvp_obj_frr = (const struct rsvp_obj_frr_t *)obj_tptr;
1203 bw.i = EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->bandwidth);
1204
1205 switch(rsvp_obj_ctype) {
1206 case RSVP_CTYPE_1: /* new style */
1207 if (obj_tlen < sizeof(struct rsvp_obj_frr_t))
1208 return-1;
1209 printf("%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1210 ident,
1211 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1212 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1213 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1214 bw.f*8/1000000);
1215 printf("%s Include-any: 0x%08x, Exclude-any: 0x%08x, Include-all: 0x%08x",
1216 ident,
1217 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1218 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any),
1219 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_all));
1220 obj_tlen-=sizeof(struct rsvp_obj_frr_t);
1221 obj_tptr+=sizeof(struct rsvp_obj_frr_t);
1222 break;
1223
1224 case RSVP_CTYPE_TUNNEL_IPV4: /* old style */
1225 if (obj_tlen < 16)
1226 return-1;
1227 printf("%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1228 ident,
1229 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1230 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1231 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1232 bw.f*8/1000000);
1233 printf("%s Include Colors: 0x%08x, Exclude Colors: 0x%08x",
1234 ident,
1235 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1236 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any));
1237 obj_tlen-=16;
1238 obj_tptr+=16;
1239 break;
1240
1241 default:
1242 hexdump=TRUE;
1243 }
1244 break;
1245
1246 case RSVP_OBJ_DETOUR:
1247 switch(rsvp_obj_ctype) {
1248 case RSVP_CTYPE_TUNNEL_IPV4:
1249 while(obj_tlen >= 8) {
1250 printf("%s PLR-ID: %s, Avoid-Node-ID: %s",
1251 ident,
1252 ipaddr_string(obj_tptr),
1253 ipaddr_string(obj_tptr+4));
1254 obj_tlen-=8;
1255 obj_tptr+=8;
1256 }
1257 break;
1258 default:
1259 hexdump=TRUE;
1260 }
1261 break;
1262
1263 case RSVP_OBJ_CLASSTYPE:
1264 case RSVP_OBJ_CLASSTYPE_OLD: /* fall through */
1265 switch(rsvp_obj_ctype) {
1266 case RSVP_CTYPE_1:
1267 printf("%s CT: %u",
1268 ident,
1269 EXTRACT_32BITS(obj_tptr)&0x7);
1270 obj_tlen-=4;
1271 obj_tptr+=4;
1272 break;
1273 default:
1274 hexdump=TRUE;
1275 }
1276 break;
1277
1278 case RSVP_OBJ_ERROR_SPEC:
1279 switch(rsvp_obj_ctype) {
1280 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1281 case RSVP_CTYPE_IPV4:
1282 if (obj_tlen < 8)
1283 return-1;
1284 error_code=*(obj_tptr+5);
1285 error_value=EXTRACT_16BITS(obj_tptr+6);
1286 printf("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1287 ident,
1288 ipaddr_string(obj_tptr),
1289 *(obj_tptr+4),
1290 ident,
1291 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1292 error_code);
1293 switch (error_code) {
1294 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1295 printf(", Error Value: %s (%u)",
1296 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1297 error_value);
1298 break;
1299 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE: /* fall through */
1300 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD:
1301 printf(", Error Value: %s (%u)",
1302 tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value),
1303 error_value);
1304 break;
1305 default:
1306 printf(", Unknown Error Value (%u)", error_value);
1307 break;
1308 }
1309 obj_tlen-=8;
1310 obj_tptr+=8;
1311 break;
1312 #ifdef INET6
1313 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1314 case RSVP_CTYPE_IPV6:
1315 if (obj_tlen < 20)
1316 return-1;
1317 error_code=*(obj_tptr+17);
1318 error_value=EXTRACT_16BITS(obj_tptr+18);
1319 printf("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1320 ident,
1321 ip6addr_string(obj_tptr),
1322 *(obj_tptr+16),
1323 ident,
1324 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1325 error_code);
1326
1327 switch (error_code) {
1328 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1329 printf(", Error Value: %s (%u)",
1330 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1331 error_value);
1332 break;
1333 default:
1334 break;
1335 }
1336 obj_tlen-=20;
1337 obj_tptr+=20;
1338 break;
1339 #endif
1340 default:
1341 hexdump=TRUE;
1342 }
1343 break;
1344
1345 case RSVP_OBJ_PROPERTIES:
1346 switch(rsvp_obj_ctype) {
1347 case RSVP_CTYPE_1:
1348 if (obj_tlen < 4)
1349 return-1;
1350 padbytes = EXTRACT_16BITS(obj_tptr+2);
1351 printf("%s TLV count: %u, padding bytes: %u",
1352 ident,
1353 EXTRACT_16BITS(obj_tptr),
1354 padbytes);
1355 obj_tlen-=4;
1356 obj_tptr+=4;
1357 /* loop through as long there is anything longer than the TLV header (2) */
1358 while(obj_tlen >= 2 + padbytes) {
1359 printf("%s %s TLV (0x%02x), length: %u", /* length includes header */
1360 ident,
1361 tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
1362 *obj_tptr,
1363 *(obj_tptr+1));
1364 if (obj_tlen < *(obj_tptr+1))
1365 return-1;
1366 if (*(obj_tptr+1) < 2)
1367 return -1;
1368 print_unknown_data(obj_tptr+2,"\n\t\t",*(obj_tptr+1)-2);
1369 obj_tlen-=*(obj_tptr+1);
1370 obj_tptr+=*(obj_tptr+1);
1371 }
1372 break;
1373 default:
1374 hexdump=TRUE;
1375 }
1376 break;
1377
1378 case RSVP_OBJ_MESSAGE_ID: /* fall through */
1379 case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */
1380 case RSVP_OBJ_MESSAGE_ID_LIST:
1381 switch(rsvp_obj_ctype) {
1382 case RSVP_CTYPE_1:
1383 case RSVP_CTYPE_2:
1384 if (obj_tlen < 8)
1385 return-1;
1386 printf("%s Flags [0x%02x], epoch: %u",
1387 ident,
1388 *obj_tptr,
1389 EXTRACT_24BITS(obj_tptr+1));
1390 obj_tlen-=4;
1391 obj_tptr+=4;
1392 /* loop through as long there are no messages left */
1393 while(obj_tlen >= 4) {
1394 printf("%s Message-ID 0x%08x (%u)",
1395 ident,
1396 EXTRACT_32BITS(obj_tptr),
1397 EXTRACT_32BITS(obj_tptr));
1398 obj_tlen-=4;
1399 obj_tptr+=4;
1400 }
1401 break;
1402 default:
1403 hexdump=TRUE;
1404 }
1405 break;
1406
1407 case RSVP_OBJ_INTEGRITY:
1408 switch(rsvp_obj_ctype) {
1409 case RSVP_CTYPE_1:
1410 if (obj_tlen < sizeof(struct rsvp_obj_integrity_t))
1411 return-1;
1412 obj_ptr.rsvp_obj_integrity = (const struct rsvp_obj_integrity_t *)obj_tptr;
1413 printf("%s Key-ID 0x%04x%08x, Sequence 0x%08x%08x, Flags [%s]",
1414 ident,
1415 EXTRACT_16BITS(obj_ptr.rsvp_obj_integrity->key_id),
1416 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->key_id+2),
1417 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence),
1418 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence+4),
1419 bittok2str(rsvp_obj_integrity_flag_values,
1420 "none",
1421 obj_ptr.rsvp_obj_integrity->flags));
1422 printf("%s MD5-sum 0x%08x%08x%08x%08x (unverified)",
1423 ident,
1424 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest),
1425 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+4),
1426 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+8),
1427 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+12));
1428 obj_tlen+=sizeof(struct rsvp_obj_integrity_t);
1429 obj_tptr+=sizeof(struct rsvp_obj_integrity_t);
1430 break;
1431 default:
1432 hexdump=TRUE;
1433 }
1434 break;
1435
1436 case RSVP_OBJ_ADMIN_STATUS:
1437 switch(rsvp_obj_ctype) {
1438 case RSVP_CTYPE_1:
1439 if (obj_tlen < 4)
1440 return-1;
1441 printf("%s Flags [%s]", ident,
1442 bittok2str(rsvp_obj_admin_status_flag_values, "none",
1443 EXTRACT_32BITS(obj_tptr)));
1444 obj_tlen-=4;
1445 obj_tptr+=4;
1446 break;
1447 default:
1448 hexdump=TRUE;
1449 }
1450 break;
1451
1452 case RSVP_OBJ_LABEL_SET:
1453 switch(rsvp_obj_ctype) {
1454 case RSVP_CTYPE_1:
1455 if (obj_tlen < 4)
1456 return-1;
1457
1458 u_int action, subchannel;
1459 action = (EXTRACT_16BITS(obj_tptr)>>8);
1460
1461 printf("%s Action: %s (%u), Label type: %u", ident,
1462 tok2str(label_set_action_values, "Unknown", action),
1463 action, ((EXTRACT_32BITS(obj_tptr) & 0x7F)));
1464
1465 switch (action) {
1466 case LABEL_SET_INCLUSIVE_RANGE:
1467 case LABEL_SET_EXCLUSIVE_RANGE: /* fall through */
1468
1469 /* only a couple of subchannels are expected */
1470 if (obj_tlen < 12)
1471 return -1;
1472 printf("%s Start range: %u, End range: %u", ident,
1473 EXTRACT_32BITS(obj_tptr+4),
1474 EXTRACT_32BITS(obj_tptr+8));
1475 obj_tlen-=12;
1476 obj_tptr+=12;
1477 break;
1478
1479 default:
1480 obj_tlen-=4;
1481 obj_tptr+=4;
1482 subchannel = 1;
1483 while(obj_tlen >= 4 ) {
1484 printf("%s Subchannel #%u: %u", ident, subchannel,
1485 EXTRACT_32BITS(obj_tptr));
1486 obj_tptr+=4;
1487 obj_tlen-=4;
1488 subchannel++;
1489 }
1490 break;
1491 }
1492 break;
1493
1494 default:
1495 hexdump=TRUE;
1496 }
1497
1498 /*
1499 * FIXME those are the defined objects that lack a decoder
1500 * you are welcome to contribute code ;-)
1501 */
1502
1503 case RSVP_OBJ_SCOPE:
1504 case RSVP_OBJ_POLICY_DATA:
1505 case RSVP_OBJ_ACCEPT_LABEL_SET:
1506 case RSVP_OBJ_PROTECTION:
1507 default:
1508 if (vflag <= 1)
1509 print_unknown_data(obj_tptr,"\n\t ",obj_tlen); /* FIXME indentation */
1510 break;
1511 }
1512 /* do we also want to see a hex dump ? */
1513 if (vflag > 1 || hexdump==TRUE)
1514 print_unknown_data(tptr+sizeof(sizeof(struct rsvp_object_header)),"\n\t ", /* FIXME indentation */
1515 rsvp_obj_len-sizeof(struct rsvp_object_header));
1516
1517 tptr+=rsvp_obj_len;
1518 tlen-=rsvp_obj_len;
1519 }
1520 return 0;
1521 trunc:
1522 printf("\n\t\t packet exceeded snapshot");
1523 return -1;
1524 }
1525
1526
1527 void
1528 rsvp_print(register const u_char *pptr, register u_int len) {
1529
1530 const struct rsvp_common_header *rsvp_com_header;
1531 const u_char *tptr,*subtptr;
1532 u_short tlen,subtlen;
1533
1534 tptr=pptr;
1535
1536 rsvp_com_header = (const struct rsvp_common_header *)pptr;
1537 TCHECK(*rsvp_com_header);
1538
1539 /*
1540 * Sanity checking of the header.
1541 */
1542 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1543 printf("ERROR: RSVP version %u packet not supported",
1544 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags));
1545 return;
1546 }
1547
1548 /* in non-verbose mode just lets print the basic Message Type*/
1549 if (vflag < 1) {
1550 printf("RSVPv%u %s Message, length: %u",
1551 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1552 tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
1553 len);
1554 return;
1555 }
1556
1557 /* ok they seem to want to know everything - lets fully decode it */
1558
1559 tlen=EXTRACT_16BITS(rsvp_com_header->length);
1560
1561 printf("\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1562 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1563 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1564 rsvp_com_header->msg_type,
1565 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1566 tlen,
1567 rsvp_com_header->ttl,
1568 EXTRACT_16BITS(rsvp_com_header->checksum));
1569
1570 if (tlen < sizeof(const struct rsvp_common_header)) {
1571 printf("ERROR: common header too short %u < %lu", tlen,
1572 (unsigned long)sizeof(const struct rsvp_common_header));
1573 return;
1574 }
1575
1576 tptr+=sizeof(const struct rsvp_common_header);
1577 tlen-=sizeof(const struct rsvp_common_header);
1578
1579 switch(rsvp_com_header->msg_type) {
1580
1581 case RSVP_MSGTYPE_AGGREGATE:
1582 while(tlen > 0) {
1583 subtptr=tptr;
1584 rsvp_com_header = (const struct rsvp_common_header *)subtptr;
1585 TCHECK(*rsvp_com_header);
1586
1587 /*
1588 * Sanity checking of the header.
1589 */
1590 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1591 printf("ERROR: RSVP version %u packet not supported",
1592 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags));
1593 return;
1594 }
1595 subtlen=EXTRACT_16BITS(rsvp_com_header->length);
1596
1597 printf("\n\t RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1598 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1599 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1600 rsvp_com_header->msg_type,
1601 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1602 subtlen,
1603 rsvp_com_header->ttl,
1604 EXTRACT_16BITS(rsvp_com_header->checksum));
1605
1606 if (subtlen < sizeof(const struct rsvp_common_header)) {
1607 printf("ERROR: common header too short %u < %lu", subtlen,
1608 (unsigned long)sizeof(const struct rsvp_common_header));
1609 return;
1610 }
1611
1612 if (tlen < subtlen) {
1613 printf("ERROR: common header too large %u > %u", subtlen,
1614 tlen);
1615 return;
1616 }
1617
1618 subtptr+=sizeof(const struct rsvp_common_header);
1619 subtlen-=sizeof(const struct rsvp_common_header);
1620
1621 if (rsvp_obj_print(subtptr,"\n\t ", subtlen) == -1)
1622 return;
1623
1624 tptr+=subtlen+sizeof(const struct rsvp_common_header);
1625 tlen-=subtlen+sizeof(const struct rsvp_common_header);
1626 }
1627
1628 break;
1629
1630 case RSVP_MSGTYPE_PATH:
1631 case RSVP_MSGTYPE_RESV:
1632 case RSVP_MSGTYPE_PATHERR:
1633 case RSVP_MSGTYPE_RESVERR:
1634 case RSVP_MSGTYPE_PATHTEAR:
1635 case RSVP_MSGTYPE_RESVTEAR:
1636 case RSVP_MSGTYPE_RESVCONF:
1637 case RSVP_MSGTYPE_HELLO_OLD:
1638 case RSVP_MSGTYPE_HELLO:
1639 case RSVP_MSGTYPE_ACK:
1640 case RSVP_MSGTYPE_SREFRESH:
1641 if (rsvp_obj_print(tptr,"\n\t ", tlen) == -1)
1642 return;
1643 break;
1644
1645 default:
1646 print_unknown_data(tptr,"\n\t ",tlen);
1647 break;
1648 }
1649
1650 return;
1651 trunc:
1652 printf("\n\t\t packet exceeded snapshot");
1653 }
[mirror] the TCPdump network dissector