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[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 1.49 2008-03-03 12:57:04 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 #include "af.h"
39
40 /*
41 * RFC 2205 common header
42 *
43 * 0 1 2 3
44 * +-------------+-------------+-------------+-------------+
45 * | Vers | Flags| Msg Type | RSVP Checksum |
46 * +-------------+-------------+-------------+-------------+
47 * | Send_TTL | (Reserved) | RSVP Length |
48 * +-------------+-------------+-------------+-------------+
49 *
50 */
51
52 struct rsvp_common_header {
53 u_int8_t version_flags;
54 u_int8_t msg_type;
55 u_int8_t checksum[2];
56 u_int8_t ttl;
57 u_int8_t reserved;
58 u_int8_t length[2];
59 };
60
61 /*
62 * RFC2205 object header
63 *
64 *
65 * 0 1 2 3
66 * +-------------+-------------+-------------+-------------+
67 * | Length (bytes) | Class-Num | C-Type |
68 * +-------------+-------------+-------------+-------------+
69 * | |
70 * // (Object contents) //
71 * | |
72 * +-------------+-------------+-------------+-------------+
73 */
74
75 struct rsvp_object_header {
76 u_int8_t length[2];
77 u_int8_t class_num;
78 u_int8_t ctype;
79 };
80
81 #define RSVP_VERSION 1
82 #define RSVP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
83 #define RSVP_EXTRACT_FLAGS(x) ((x)&0x0f)
84
85 #define RSVP_MSGTYPE_PATH 1
86 #define RSVP_MSGTYPE_RESV 2
87 #define RSVP_MSGTYPE_PATHERR 3
88 #define RSVP_MSGTYPE_RESVERR 4
89 #define RSVP_MSGTYPE_PATHTEAR 5
90 #define RSVP_MSGTYPE_RESVTEAR 6
91 #define RSVP_MSGTYPE_RESVCONF 7
92 #define RSVP_MSGTYPE_AGGREGATE 12
93 #define RSVP_MSGTYPE_ACK 13
94 #define RSVP_MSGTYPE_HELLO_OLD 14 /* ancient Hellos */
95 #define RSVP_MSGTYPE_SREFRESH 15
96 #define RSVP_MSGTYPE_HELLO 20
97
98 static const struct tok rsvp_msg_type_values[] = {
99 { RSVP_MSGTYPE_PATH, "Path" },
100 { RSVP_MSGTYPE_RESV, "Resv" },
101 { RSVP_MSGTYPE_PATHERR, "PathErr" },
102 { RSVP_MSGTYPE_RESVERR, "ResvErr" },
103 { RSVP_MSGTYPE_PATHTEAR, "PathTear" },
104 { RSVP_MSGTYPE_RESVTEAR, "ResvTear" },
105 { RSVP_MSGTYPE_RESVCONF, "ResvConf" },
106 { RSVP_MSGTYPE_AGGREGATE, "Aggregate" },
107 { RSVP_MSGTYPE_ACK, "Acknowledgement" },
108 { RSVP_MSGTYPE_HELLO_OLD, "Hello (Old)" },
109 { RSVP_MSGTYPE_SREFRESH, "Refresh" },
110 { RSVP_MSGTYPE_HELLO, "Hello" },
111 { 0, NULL}
112 };
113
114 static const struct tok rsvp_header_flag_values[] = {
115 { 0x01, "Refresh reduction capable" }, /* rfc2961 */
116 { 0, NULL}
117 };
118
119 #define RSVP_OBJ_SESSION 1 /* rfc2205 */
120 #define RSVP_OBJ_RSVP_HOP 3 /* rfc2205, rfc3473 */
121 #define RSVP_OBJ_INTEGRITY 4 /* rfc2747 */
122 #define RSVP_OBJ_TIME_VALUES 5 /* rfc2205 */
123 #define RSVP_OBJ_ERROR_SPEC 6
124 #define RSVP_OBJ_SCOPE 7
125 #define RSVP_OBJ_STYLE 8 /* rfc2205 */
126 #define RSVP_OBJ_FLOWSPEC 9 /* rfc2215 */
127 #define RSVP_OBJ_FILTERSPEC 10 /* rfc2215 */
128 #define RSVP_OBJ_SENDER_TEMPLATE 11
129 #define RSVP_OBJ_SENDER_TSPEC 12 /* rfc2215 */
130 #define RSVP_OBJ_ADSPEC 13 /* rfc2215 */
131 #define RSVP_OBJ_POLICY_DATA 14
132 #define RSVP_OBJ_CONFIRM 15 /* rfc2205 */
133 #define RSVP_OBJ_LABEL 16 /* rfc3209 */
134 #define RSVP_OBJ_LABEL_REQ 19 /* rfc3209 */
135 #define RSVP_OBJ_ERO 20 /* rfc3209 */
136 #define RSVP_OBJ_RRO 21 /* rfc3209 */
137 #define RSVP_OBJ_HELLO 22 /* rfc3209 */
138 #define RSVP_OBJ_MESSAGE_ID 23 /* rfc2961 */
139 #define RSVP_OBJ_MESSAGE_ID_ACK 24 /* rfc2961 */
140 #define RSVP_OBJ_MESSAGE_ID_LIST 25 /* rfc2961 */
141 #define RSVP_OBJ_RECOVERY_LABEL 34 /* rfc3473 */
142 #define RSVP_OBJ_UPSTREAM_LABEL 35 /* rfc3473 */
143 #define RSVP_OBJ_LABEL_SET 36 /* rfc3473 */
144 #define RSVP_OBJ_PROTECTION 37 /* rfc3473 */
145 #define RSVP_OBJ_S2L 50 /* rfc4875 */
146 #define RSVP_OBJ_DETOUR 63 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */
147 #define RSVP_OBJ_CLASSTYPE 66 /* rfc4124 */
148 #define RSVP_OBJ_CLASSTYPE_OLD 125 /* draft-ietf-tewg-diff-te-proto-07 */
149 #define RSVP_OBJ_SUGGESTED_LABEL 129 /* rfc3473 */
150 #define RSVP_OBJ_ACCEPT_LABEL_SET 130 /* rfc3473 */
151 #define RSVP_OBJ_RESTART_CAPABILITY 131 /* rfc3473 */
152 #define RSVP_OBJ_NOTIFY_REQ 195 /* rfc3473 */
153 #define RSVP_OBJ_ADMIN_STATUS 196 /* rfc3473 */
154 #define RSVP_OBJ_PROPERTIES 204 /* juniper proprietary */
155 #define RSVP_OBJ_FASTREROUTE 205 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */
156 #define RSVP_OBJ_SESSION_ATTRIBUTE 207 /* rfc3209 */
157 #define RSVP_OBJ_GENERALIZED_UNI 229 /* OIF RSVP extensions UNI 1.0 Signaling, Rel. 2 */
158 #define RSVP_OBJ_CALL_ID 230 /* rfc3474 */
159 #define RSVP_OBJ_CALL_OPS 236 /* rfc3474 */
160
161 static const struct tok rsvp_obj_values[] = {
162 { RSVP_OBJ_SESSION, "Session" },
163 { RSVP_OBJ_RSVP_HOP, "RSVP Hop" },
164 { RSVP_OBJ_INTEGRITY, "Integrity" },
165 { RSVP_OBJ_TIME_VALUES, "Time Values" },
166 { RSVP_OBJ_ERROR_SPEC, "Error Spec" },
167 { RSVP_OBJ_SCOPE, "Scope" },
168 { RSVP_OBJ_STYLE, "Style" },
169 { RSVP_OBJ_FLOWSPEC, "Flowspec" },
170 { RSVP_OBJ_FILTERSPEC, "FilterSpec" },
171 { RSVP_OBJ_SENDER_TEMPLATE, "Sender Template" },
172 { RSVP_OBJ_SENDER_TSPEC, "Sender TSpec" },
173 { RSVP_OBJ_ADSPEC, "Adspec" },
174 { RSVP_OBJ_POLICY_DATA, "Policy Data" },
175 { RSVP_OBJ_CONFIRM, "Confirm" },
176 { RSVP_OBJ_LABEL, "Label" },
177 { RSVP_OBJ_LABEL_REQ, "Label Request" },
178 { RSVP_OBJ_ERO, "ERO" },
179 { RSVP_OBJ_RRO, "RRO" },
180 { RSVP_OBJ_HELLO, "Hello" },
181 { RSVP_OBJ_MESSAGE_ID, "Message ID" },
182 { RSVP_OBJ_MESSAGE_ID_ACK, "Message ID Ack" },
183 { RSVP_OBJ_MESSAGE_ID_LIST, "Message ID List" },
184 { RSVP_OBJ_RECOVERY_LABEL, "Recovery Label" },
185 { RSVP_OBJ_UPSTREAM_LABEL, "Upstream Label" },
186 { RSVP_OBJ_LABEL_SET, "Label Set" },
187 { RSVP_OBJ_ACCEPT_LABEL_SET, "Acceptable Label Set" },
188 { RSVP_OBJ_DETOUR, "Detour" },
189 { RSVP_OBJ_CLASSTYPE, "Class Type" },
190 { RSVP_OBJ_CLASSTYPE_OLD, "Class Type (old)" },
191 { RSVP_OBJ_SUGGESTED_LABEL, "Suggested Label" },
192 { RSVP_OBJ_PROPERTIES, "Properties" },
193 { RSVP_OBJ_FASTREROUTE, "Fast Re-Route" },
194 { RSVP_OBJ_SESSION_ATTRIBUTE, "Session Attribute" },
195 { RSVP_OBJ_GENERALIZED_UNI, "Generalized UNI" },
196 { RSVP_OBJ_CALL_ID, "Call-ID" },
197 { RSVP_OBJ_CALL_OPS, "Call Capability" },
198 { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" },
199 { RSVP_OBJ_NOTIFY_REQ, "Notify Request" },
200 { RSVP_OBJ_PROTECTION, "Protection" },
201 { RSVP_OBJ_ADMIN_STATUS, "Administrative Status" },
202 { RSVP_OBJ_S2L, "Sub-LSP to LSP" },
203 { 0, NULL}
204 };
205
206 #define RSVP_CTYPE_IPV4 1
207 #define RSVP_CTYPE_IPV6 2
208 #define RSVP_CTYPE_TUNNEL_IPV4 7
209 #define RSVP_CTYPE_TUNNEL_IPV6 8
210 #define RSVP_CTYPE_UNI_IPV4 11 /* OIF RSVP extensions UNI 1.0 Signaling Rel. 2 */
211 #define RSVP_CTYPE_1 1
212 #define RSVP_CTYPE_2 2
213 #define RSVP_CTYPE_3 3
214 #define RSVP_CTYPE_4 4
215 #define RSVP_CTYPE_12 12
216 #define RSVP_CTYPE_13 13
217 #define RSVP_CTYPE_14 14
218
219 /*
220 * the ctypes are not globally unique so for
221 * translating it to strings we build a table based
222 * on objects offsetted by the ctype
223 */
224
225 static const struct tok rsvp_ctype_values[] = {
226 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV4, "IPv4" },
227 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV6, "IPv6" },
228 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
229 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
230 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV4, "IPv4" },
231 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV6, "IPv6" },
232 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV4, "IPv4" },
233 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV6, "IPv6" },
234 { 256*RSVP_OBJ_TIME_VALUES+RSVP_CTYPE_1, "1" },
235 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_1, "obsolete" },
236 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_2, "IntServ" },
237 { 256*RSVP_OBJ_SENDER_TSPEC+RSVP_CTYPE_2, "IntServ" },
238 { 256*RSVP_OBJ_ADSPEC+RSVP_CTYPE_2, "IntServ" },
239 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV4, "IPv4" },
240 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6, "IPv6" },
241 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3, "IPv6 Flow-label" },
242 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
243 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" },
244 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" },
245 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4, "IPv4" },
246 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6, "IPv6" },
247 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
248 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_UNI_IPV4, "UNI IPv4" },
249 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_13, "IPv4 P2MP LSP Tunnel" },
250 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_14, "IPv6 P2MP LSP Tunnel" },
251 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV4, "IPv4" },
252 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6, "IPv6" },
253 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
254 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" },
255 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" },
256 { 256*RSVP_OBJ_MESSAGE_ID+RSVP_CTYPE_1, "1" },
257 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_1, "Message id ack" },
258 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_2, "Message id nack" },
259 { 256*RSVP_OBJ_MESSAGE_ID_LIST+RSVP_CTYPE_1, "1" },
260 { 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1, "1" },
261 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1, "Hello Request" },
262 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2, "Hello Ack" },
263 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1, "without label range" },
264 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2, "with ATM label range" },
265 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3, "with FR label range" },
266 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4, "Generalized Label" },
267 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1, "Label" },
268 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_2, "Generalized Label" },
269 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
270 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1, "Label" },
271 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_2, "Generalized Label" },
272 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
273 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1, "Label" },
274 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_2, "Generalized Label" },
275 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
276 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_1, "Label" },
277 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_2, "Generalized Label" },
278 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
279 { 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4, "IPv4" },
280 { 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4, "IPv4" },
281 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4, "IPv4" },
282 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6, "IPv6" },
283 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
284 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
285 { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1, "IPv4" },
286 { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
287 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, /* old style*/
288 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_1, "1" }, /* new style */
289 { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
290 { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1, "1" },
291 { 256*RSVP_OBJ_ADMIN_STATUS+RSVP_CTYPE_1, "1" },
292 { 256*RSVP_OBJ_CLASSTYPE+RSVP_CTYPE_1, "1" },
293 { 256*RSVP_OBJ_CLASSTYPE_OLD+RSVP_CTYPE_1, "1" },
294 { 256*RSVP_OBJ_LABEL_SET+RSVP_CTYPE_1, "1" },
295 { 256*RSVP_OBJ_GENERALIZED_UNI+RSVP_CTYPE_1, "1" },
296 { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV4, "IPv4 sub-LSP" },
297 { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV6, "IPv6 sub-LSP" },
298 { 0, NULL}
299 };
300
301 struct rsvp_obj_integrity_t {
302 u_int8_t flags;
303 u_int8_t res;
304 u_int8_t key_id[6];
305 u_int8_t sequence[8];
306 u_int8_t digest[16];
307 };
308
309 static const struct tok rsvp_obj_integrity_flag_values[] = {
310 { 0x80, "Handshake" },
311 { 0, NULL}
312 };
313
314 struct rsvp_obj_frr_t {
315 u_int8_t setup_prio;
316 u_int8_t hold_prio;
317 u_int8_t hop_limit;
318 u_int8_t flags;
319 u_int8_t bandwidth[4];
320 u_int8_t include_any[4];
321 u_int8_t exclude_any[4];
322 u_int8_t include_all[4];
323 };
324
325
326 #define RSVP_OBJ_XRO_MASK_SUBOBJ(x) ((x)&0x7f)
327 #define RSVP_OBJ_XRO_MASK_LOOSE(x) ((x)&0x80)
328
329 #define RSVP_OBJ_XRO_RES 0
330 #define RSVP_OBJ_XRO_IPV4 1
331 #define RSVP_OBJ_XRO_IPV6 2
332 #define RSVP_OBJ_XRO_ASN 32
333 #define RSVP_OBJ_XRO_MPLS 64
334
335 static const struct tok rsvp_obj_xro_values[] = {
336 { RSVP_OBJ_XRO_RES, "Reserved" },
337 { RSVP_OBJ_XRO_IPV4, "IPv4 prefix" },
338 { RSVP_OBJ_XRO_IPV6, "IPv6 prefix" },
339 { RSVP_OBJ_XRO_ASN, "Autonomous system number" },
340 { RSVP_OBJ_XRO_MPLS, "MPLS label switched path termination" },
341 { 0, NULL}
342 };
343
344 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07.txt */
345 static const struct tok rsvp_obj_rro_flag_values[] = {
346 { 0x01, "Local protection available" },
347 { 0x02, "Local protection in use" },
348 { 0x04, "Bandwidth protection" },
349 { 0x08, "Node protection" },
350 { 0, NULL}
351 };
352
353 static const struct tok rsvp_resstyle_values[] = {
354 { 17, "Wildcard Filter" },
355 { 10, "Fixed Filter" },
356 { 18, "Shared Explicit" },
357 { 0, NULL}
358 };
359
360 #define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2
361 #define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5
362
363 static const struct tok rsvp_intserv_service_type_values[] = {
364 { 1, "Default/Global Information" },
365 { RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" },
366 { RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" },
367 { 0, NULL}
368 };
369
370 static const struct tok rsvp_intserv_parameter_id_values[] = {
371 { 4, "IS hop cnt" },
372 { 6, "Path b/w estimate" },
373 { 8, "Minimum path latency" },
374 { 10, "Composed MTU" },
375 { 127, "Token Bucket TSpec" },
376 { 130, "Guaranteed Service RSpec" },
377 { 133, "End-to-end composed value for C" },
378 { 134, "End-to-end composed value for D" },
379 { 135, "Since-last-reshaping point composed C" },
380 { 136, "Since-last-reshaping point composed D" },
381 { 0, NULL}
382 };
383
384 static struct tok rsvp_session_attribute_flag_values[] = {
385 { 0x01, "Local Protection desired" },
386 { 0x02, "Label Recording desired" },
387 { 0x04, "SE Style desired" },
388 { 0x08, "Bandwidth protection desired" }, /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
389 { 0x10, "Node protection desired" }, /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
390 { 0, NULL}
391 };
392
393 static struct tok rsvp_obj_prop_tlv_values[] = {
394 { 0x01, "Cos" },
395 { 0x02, "Metric 1" },
396 { 0x04, "Metric 2" },
397 { 0x08, "CCC Status" },
398 { 0x10, "Path Type" },
399 { 0, NULL}
400 };
401
402 #define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24
403 #define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY 25
404 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 28
405 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD 125
406
407 static struct tok rsvp_obj_error_code_values[] = {
408 { RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" },
409 { RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY, "Notify Error" },
410 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE, "Diffserv TE Error" },
411 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD, "Diffserv TE Error (Old)" },
412 { 0, NULL}
413 };
414
415 static struct tok rsvp_obj_error_code_routing_values[] = {
416 { 1, "Bad EXPLICIT_ROUTE object" },
417 { 2, "Bad strict node" },
418 { 3, "Bad loose node" },
419 { 4, "Bad initial subobject" },
420 { 5, "No route available toward destination" },
421 { 6, "Unacceptable label value" },
422 { 7, "RRO indicated routing loops" },
423 { 8, "non-RSVP-capable router in the path" },
424 { 9, "MPLS label allocation failure" },
425 { 10, "Unsupported L3PID" },
426 { 0, NULL}
427 };
428
429 static struct tok rsvp_obj_error_code_diffserv_te_values[] = {
430 { 1, "Unexpected CT object" },
431 { 2, "Unsupported CT" },
432 { 3, "Invalid CT value" },
433 { 4, "CT/setup priority do not form a configured TE-Class" },
434 { 5, "CT/holding priority do not form a configured TE-Class" },
435 { 6, "CT/setup priority and CT/holding priority do not form a configured TE-Class" },
436 { 7, "Inconsistency between signaled PSC and signaled CT" },
437 { 8, "Inconsistency between signaled PHBs and signaled CT" },
438 { 0, NULL}
439 };
440
441 /* rfc3473 / rfc 3471 */
442 static const struct tok rsvp_obj_admin_status_flag_values[] = {
443 { 0x80000000, "Reflect" },
444 { 0x00000004, "Testing" },
445 { 0x00000002, "Admin-down" },
446 { 0x00000001, "Delete-in-progress" },
447 { 0, NULL}
448 };
449
450 /* label set actions - rfc3471 */
451 #define LABEL_SET_INCLUSIVE_LIST 0
452 #define LABEL_SET_EXCLUSIVE_LIST 1
453 #define LABEL_SET_INCLUSIVE_RANGE 2
454 #define LABEL_SET_EXCLUSIVE_RANGE 3
455
456 static const struct tok rsvp_obj_label_set_action_values[] = {
457 { LABEL_SET_INCLUSIVE_LIST, "Inclusive list" },
458 { LABEL_SET_EXCLUSIVE_LIST, "Exclusive list" },
459 { LABEL_SET_INCLUSIVE_RANGE, "Inclusive range" },
460 { LABEL_SET_EXCLUSIVE_RANGE, "Exclusive range" },
461 { 0, NULL}
462 };
463
464 /* OIF RSVP extensions UNI 1.0 Signaling, release 2 */
465 #define RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS 1
466 #define RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS 2
467 #define RSVP_GEN_UNI_SUBOBJ_DIVERSITY 3
468 #define RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL 4
469 #define RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL 5
470
471 static const struct tok rsvp_obj_generalized_uni_values[] = {
472 { RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS, "Source TNA address" },
473 { RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS, "Destination TNA address" },
474 { RSVP_GEN_UNI_SUBOBJ_DIVERSITY, "Diversity" },
475 { RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL, "Egress label" },
476 { RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL, "Service level" },
477 { 0, NULL}
478 };
479
480 static int rsvp_intserv_print(const u_char *, u_short);
481
482 /*
483 * this is a dissector for all the intserv defined
484 * specs as defined per rfc2215
485 * it is called from various rsvp objects;
486 * returns the amount of bytes being processed
487 */
488 static int
489 rsvp_intserv_print(const u_char *tptr, u_short obj_tlen) {
490
491 int parameter_id,parameter_length;
492 union {
493 float f;
494 u_int32_t i;
495 } bw;
496
497 if (obj_tlen < 4)
498 return 0;
499 parameter_id = *(tptr);
500 parameter_length = EXTRACT_16BITS(tptr+2)<<2; /* convert wordcount to bytecount */
501
502 printf("\n\t Parameter ID: %s (%u), length: %u, Flags: [0x%02x]",
503 tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id),
504 parameter_id,
505 parameter_length,
506 *(tptr+1));
507
508 if (obj_tlen < parameter_length+4)
509 return 0;
510 switch(parameter_id) { /* parameter_id */
511
512 case 4:
513 /*
514 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
515 * | 4 (e) | (f) | 1 (g) |
516 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
517 * | IS hop cnt (32-bit unsigned integer) |
518 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
519 */
520 if (parameter_length == 4)
521 printf("\n\t\tIS hop count: %u", EXTRACT_32BITS(tptr+4));
522 break;
523
524 case 6:
525 /*
526 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
527 * | 6 (h) | (i) | 1 (j) |
528 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
529 * | Path b/w estimate (32-bit IEEE floating point number) |
530 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
531 */
532 if (parameter_length == 4) {
533 bw.i = EXTRACT_32BITS(tptr+4);
534 printf("\n\t\tPath b/w estimate: %.10g Mbps", bw.f/125000);
535 }
536 break;
537
538 case 8:
539 /*
540 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
541 * | 8 (k) | (l) | 1 (m) |
542 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
543 * | Minimum path latency (32-bit integer) |
544 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
545 */
546 if (parameter_length == 4) {
547 printf("\n\t\tMinimum path latency: ");
548 if (EXTRACT_32BITS(tptr+4) == 0xffffffff)
549 printf("don't care");
550 else
551 printf("%u", EXTRACT_32BITS(tptr+4));
552 }
553 break;
554
555 case 10:
556
557 /*
558 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
559 * | 10 (n) | (o) | 1 (p) |
560 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
561 * | Composed MTU (32-bit unsigned integer) |
562 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
563 */
564 if (parameter_length == 4)
565 printf("\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr+4));
566 break;
567 case 127:
568 /*
569 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
570 * | 127 (e) | 0 (f) | 5 (g) |
571 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
572 * | Token Bucket Rate [r] (32-bit IEEE floating point number) |
573 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
574 * | Token Bucket Size [b] (32-bit IEEE floating point number) |
575 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
576 * | Peak Data Rate [p] (32-bit IEEE floating point number) |
577 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
578 * | Minimum Policed Unit [m] (32-bit integer) |
579 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
580 * | Maximum Packet Size [M] (32-bit integer) |
581 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
582 */
583
584 if (parameter_length == 20) {
585 bw.i = EXTRACT_32BITS(tptr+4);
586 printf("\n\t\tToken Bucket Rate: %.10g Mbps", bw.f/125000);
587 bw.i = EXTRACT_32BITS(tptr+8);
588 printf("\n\t\tToken Bucket Size: %.10g bytes", bw.f);
589 bw.i = EXTRACT_32BITS(tptr+12);
590 printf("\n\t\tPeak Data Rate: %.10g Mbps", bw.f/125000);
591 printf("\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr+16));
592 printf("\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr+20));
593 }
594 break;
595
596 case 130:
597 /*
598 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
599 * | 130 (h) | 0 (i) | 2 (j) |
600 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
601 * | Rate [R] (32-bit IEEE floating point number) |
602 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
603 * | Slack Term [S] (32-bit integer) |
604 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
605 */
606
607 if (parameter_length == 8) {
608 bw.i = EXTRACT_32BITS(tptr+4);
609 printf("\n\t\tRate: %.10g Mbps", bw.f/125000);
610 printf("\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr+8));
611 }
612 break;
613
614 case 133:
615 case 134:
616 case 135:
617 case 136:
618 if (parameter_length == 4)
619 printf("\n\t\tValue: %u", EXTRACT_32BITS(tptr+4));
620 break;
621
622 default:
623 if (vflag <= 1)
624 print_unknown_data(tptr+4,"\n\t\t",parameter_length);
625 }
626 return (parameter_length+4); /* header length 4 bytes */
627 }
628
629 static int
630 rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) {
631
632 const struct rsvp_object_header *rsvp_obj_header;
633 const u_char *obj_tptr;
634 union {
635 const struct rsvp_obj_integrity_t *rsvp_obj_integrity;
636 const struct rsvp_obj_frr_t *rsvp_obj_frr;
637 } obj_ptr;
638
639 u_short rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen;
640 int hexdump,processed,padbytes,error_code,error_value,i;
641 union {
642 float f;
643 u_int32_t i;
644 } bw;
645 u_int8_t namelen;
646
647 u_int action, subchannel;
648
649 while(tlen>=sizeof(struct rsvp_object_header)) {
650 /* did we capture enough for fully decoding the object header ? */
651 if (!TTEST2(*tptr, sizeof(struct rsvp_object_header)))
652 goto trunc;
653
654 rsvp_obj_header = (const struct rsvp_object_header *)tptr;
655 rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length);
656 rsvp_obj_ctype=rsvp_obj_header->ctype;
657
658 if(rsvp_obj_len % 4) {
659 printf("%sERROR: object header size %u not a multiple of 4", ident, rsvp_obj_len);
660 return -1;
661 }
662 if(rsvp_obj_len < sizeof(struct rsvp_object_header)) {
663 printf("%sERROR: object header too short %u < %lu", ident, rsvp_obj_len,
664 (unsigned long)sizeof(const struct rsvp_object_header));
665 return -1;
666 }
667
668 printf("%s%s Object (%u) Flags: [%s",
669 ident,
670 tok2str(rsvp_obj_values,
671 "Unknown",
672 rsvp_obj_header->class_num),
673 rsvp_obj_header->class_num,
674 ((rsvp_obj_header->class_num)&0x80) ? "ignore" : "reject");
675
676 if (rsvp_obj_header->class_num > 128)
677 printf(" %s",
678 ((rsvp_obj_header->class_num)&0x40) ? "and forward" : "silently");
679
680 printf(" if unknown], Class-Type: %s (%u), length: %u",
681 tok2str(rsvp_ctype_values,
682 "Unknown",
683 ((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype),
684 rsvp_obj_ctype,
685 rsvp_obj_len);
686
687 if(tlen < rsvp_obj_len) {
688 printf("%sERROR: object goes past end of objects TLV", ident);
689 return -1;
690 }
691
692 obj_tptr=tptr+sizeof(struct rsvp_object_header);
693 obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
694
695 /* did we capture enough for fully decoding the object ? */
696 if (!TTEST2(*tptr, rsvp_obj_len))
697 return -1;
698 hexdump=FALSE;
699
700 switch(rsvp_obj_header->class_num) {
701 case RSVP_OBJ_SESSION:
702 switch(rsvp_obj_ctype) {
703 case RSVP_CTYPE_IPV4:
704 if (obj_tlen < 8)
705 return -1;
706 printf("%s IPv4 DestAddress: %s, Protocol ID: 0x%02x",
707 ident,
708 ipaddr_string(obj_tptr),
709 *(obj_tptr+sizeof(struct in_addr)));
710 printf("%s Flags: [0x%02x], DestPort %u",
711 ident,
712 *(obj_tptr+5),
713 EXTRACT_16BITS(obj_tptr+6));
714 obj_tlen-=8;
715 obj_tptr+=8;
716 break;
717 #ifdef INET6
718 case RSVP_CTYPE_IPV6:
719 if (obj_tlen < 20)
720 return -1;
721 printf("%s IPv6 DestAddress: %s, Protocol ID: 0x%02x",
722 ident,
723 ip6addr_string(obj_tptr),
724 *(obj_tptr+sizeof(struct in6_addr)));
725 printf("%s Flags: [0x%02x], DestPort %u",
726 ident,
727 *(obj_tptr+sizeof(struct in6_addr)+1),
728 EXTRACT_16BITS(obj_tptr+sizeof(struct in6_addr)+2));
729 obj_tlen-=20;
730 obj_tptr+=20;
731 break;
732
733 case RSVP_CTYPE_TUNNEL_IPV6:
734 if (obj_tlen < 36)
735 return -1;
736 printf("%s IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
737 ident,
738 ip6addr_string(obj_tptr),
739 EXTRACT_16BITS(obj_tptr+18),
740 ip6addr_string(obj_tptr+20));
741 obj_tlen-=36;
742 obj_tptr+=36;
743 break;
744
745 case RSVP_CTYPE_14: /* IPv6 p2mp LSP Tunnel */
746 if (obj_tlen < 26)
747 return -1;
748 printf("%s IPv6 P2MP LSP ID: 0x%08x, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
749 ident,
750 EXTRACT_32BITS(obj_tptr),
751 EXTRACT_16BITS(obj_tptr+6),
752 ip6addr_string(obj_tptr+8));
753 obj_tlen-=26;
754 obj_tptr+=26;
755 break;
756 #endif
757 case RSVP_CTYPE_13: /* IPv4 p2mp LSP Tunnel */
758 if (obj_tlen < 12)
759 return -1;
760 printf("%s IPv4 P2MP LSP ID: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
761 ident,
762 ipaddr_string(obj_tptr),
763 EXTRACT_16BITS(obj_tptr+6),
764 ipaddr_string(obj_tptr+8));
765 obj_tlen-=12;
766 obj_tptr+=12;
767 break;
768 case RSVP_CTYPE_TUNNEL_IPV4:
769 case RSVP_CTYPE_UNI_IPV4:
770 if (obj_tlen < 12)
771 return -1;
772 printf("%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
773 ident,
774 ipaddr_string(obj_tptr),
775 EXTRACT_16BITS(obj_tptr+6),
776 ipaddr_string(obj_tptr+8));
777 obj_tlen-=12;
778 obj_tptr+=12;
779 break;
780 default:
781 hexdump=TRUE;
782 }
783 break;
784
785 case RSVP_OBJ_CONFIRM:
786 switch(rsvp_obj_ctype) {
787 case RSVP_CTYPE_IPV4:
788 if (obj_tlen < sizeof(struct in_addr))
789 return -1;
790 printf("%s IPv4 Receiver Address: %s",
791 ident,
792 ipaddr_string(obj_tptr));
793 obj_tlen-=sizeof(struct in_addr);
794 obj_tptr+=sizeof(struct in_addr);
795 break;
796 #ifdef INET6
797 case RSVP_CTYPE_IPV6:
798 if (obj_tlen < sizeof(struct in6_addr))
799 return -1;
800 printf("%s IPv6 Receiver Address: %s",
801 ident,
802 ip6addr_string(obj_tptr));
803 obj_tlen-=sizeof(struct in6_addr);
804 obj_tptr+=sizeof(struct in6_addr);
805 break;
806 #endif
807 default:
808 hexdump=TRUE;
809 }
810 break;
811
812 case RSVP_OBJ_NOTIFY_REQ:
813 switch(rsvp_obj_ctype) {
814 case RSVP_CTYPE_IPV4:
815 if (obj_tlen < sizeof(struct in_addr))
816 return -1;
817 printf("%s IPv4 Notify Node Address: %s",
818 ident,
819 ipaddr_string(obj_tptr));
820 obj_tlen-=sizeof(struct in_addr);
821 obj_tptr+=sizeof(struct in_addr);
822 break;
823 #ifdef INET6
824 case RSVP_CTYPE_IPV6:
825 if (obj_tlen < sizeof(struct in6_addr))
826 return-1;
827 printf("%s IPv6 Notify Node Address: %s",
828 ident,
829 ip6addr_string(obj_tptr));
830 obj_tlen-=sizeof(struct in6_addr);
831 obj_tptr+=sizeof(struct in6_addr);
832 break;
833 #endif
834 default:
835 hexdump=TRUE;
836 }
837 break;
838
839 case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
840 case RSVP_OBJ_UPSTREAM_LABEL: /* fall through */
841 case RSVP_OBJ_RECOVERY_LABEL: /* fall through */
842 case RSVP_OBJ_LABEL:
843 switch(rsvp_obj_ctype) {
844 case RSVP_CTYPE_1:
845 while(obj_tlen >= 4 ) {
846 printf("%s Label: %u", ident, EXTRACT_32BITS(obj_tptr));
847 obj_tlen-=4;
848 obj_tptr+=4;
849 }
850 break;
851 case RSVP_CTYPE_2:
852 if (obj_tlen < 4)
853 return-1;
854 printf("%s Generalized Label: %u",
855 ident,
856 EXTRACT_32BITS(obj_tptr));
857 obj_tlen-=4;
858 obj_tptr+=4;
859 break;
860 case RSVP_CTYPE_3:
861 if (obj_tlen < 12)
862 return-1;
863 printf("%s Waveband ID: %u%s Start Label: %u, Stop Label: %u",
864 ident,
865 EXTRACT_32BITS(obj_tptr),
866 ident,
867 EXTRACT_32BITS(obj_tptr+4),
868 EXTRACT_32BITS(obj_tptr+8));
869 obj_tlen-=12;
870 obj_tptr+=12;
871 break;
872 default:
873 hexdump=TRUE;
874 }
875 break;
876
877 case RSVP_OBJ_STYLE:
878 switch(rsvp_obj_ctype) {
879 case RSVP_CTYPE_1:
880 if (obj_tlen < 4)
881 return-1;
882 printf("%s Reservation Style: %s, Flags: [0x%02x]",
883 ident,
884 tok2str(rsvp_resstyle_values,
885 "Unknown",
886 EXTRACT_24BITS(obj_tptr+1)),
887 *(obj_tptr));
888 obj_tlen-=4;
889 obj_tptr+=4;
890 break;
891 default:
892 hexdump=TRUE;
893 }
894 break;
895
896 case RSVP_OBJ_SENDER_TEMPLATE:
897 switch(rsvp_obj_ctype) {
898 case RSVP_CTYPE_IPV4:
899 if (obj_tlen < 8)
900 return-1;
901 printf("%s Source Address: %s, Source Port: %u",
902 ident,
903 ipaddr_string(obj_tptr),
904 EXTRACT_16BITS(obj_tptr+6));
905 obj_tlen-=8;
906 obj_tptr+=8;
907 break;
908 #ifdef INET6
909 case RSVP_CTYPE_IPV6:
910 if (obj_tlen < 20)
911 return-1;
912 printf("%s Source Address: %s, Source Port: %u",
913 ident,
914 ip6addr_string(obj_tptr),
915 EXTRACT_16BITS(obj_tptr+18));
916 obj_tlen-=20;
917 obj_tptr+=20;
918 break;
919 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
920 if (obj_tlen < 40)
921 return-1;
922 printf("%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
923 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
924 ident,
925 ip6addr_string(obj_tptr),
926 EXTRACT_16BITS(obj_tptr+18),
927 ident,
928 ip6addr_string(obj_tptr+20),
929 EXTRACT_16BITS(obj_tptr+38));
930 obj_tlen-=40;
931 obj_tptr+=40;
932 break;
933 #endif
934 case RSVP_CTYPE_TUNNEL_IPV4:
935 if (obj_tlen < 8)
936 return-1;
937 printf("%s IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
938 ident,
939 ipaddr_string(obj_tptr),
940 EXTRACT_16BITS(obj_tptr+6));
941 obj_tlen-=8;
942 obj_tptr+=8;
943 break;
944 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
945 if (obj_tlen < 16)
946 return-1;
947 printf("%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
948 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
949 ident,
950 ipaddr_string(obj_tptr),
951 EXTRACT_16BITS(obj_tptr+6),
952 ident,
953 ipaddr_string(obj_tptr+8),
954 EXTRACT_16BITS(obj_tptr+12));
955 obj_tlen-=16;
956 obj_tptr+=16;
957 break;
958 default:
959 hexdump=TRUE;
960 }
961 break;
962
963 case RSVP_OBJ_LABEL_REQ:
964 switch(rsvp_obj_ctype) {
965 case RSVP_CTYPE_1:
966 while(obj_tlen >= 4 ) {
967 printf("%s L3 Protocol ID: %s",
968 ident,
969 tok2str(ethertype_values,
970 "Unknown Protocol (0x%04x)",
971 EXTRACT_16BITS(obj_tptr+2)));
972 obj_tlen-=4;
973 obj_tptr+=4;
974 }
975 break;
976 case RSVP_CTYPE_2:
977 if (obj_tlen < 12)
978 return-1;
979 printf("%s L3 Protocol ID: %s",
980 ident,
981 tok2str(ethertype_values,
982 "Unknown Protocol (0x%04x)",
983 EXTRACT_16BITS(obj_tptr+2)));
984 printf(",%s merge capability",((*(obj_tptr+4))&0x80) ? "no" : "" );
985 printf("%s Minimum VPI/VCI: %u/%u",
986 ident,
987 (EXTRACT_16BITS(obj_tptr+4))&0xfff,
988 (EXTRACT_16BITS(obj_tptr+6))&0xfff);
989 printf("%s Maximum VPI/VCI: %u/%u",
990 ident,
991 (EXTRACT_16BITS(obj_tptr+8))&0xfff,
992 (EXTRACT_16BITS(obj_tptr+10))&0xfff);
993 obj_tlen-=12;
994 obj_tptr+=12;
995 break;
996 case RSVP_CTYPE_3:
997 if (obj_tlen < 12)
998 return-1;
999 printf("%s L3 Protocol ID: %s",
1000 ident,
1001 tok2str(ethertype_values,
1002 "Unknown Protocol (0x%04x)",
1003 EXTRACT_16BITS(obj_tptr+2)));
1004 printf("%s Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI",
1005 ident,
1006 (EXTRACT_32BITS(obj_tptr+4))&0x7fffff,
1007 (EXTRACT_32BITS(obj_tptr+8))&0x7fffff,
1008 (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "",
1009 (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 2 ) ? "23" : "");
1010 obj_tlen-=12;
1011 obj_tptr+=12;
1012 break;
1013 case RSVP_CTYPE_4:
1014 if (obj_tlen < 4)
1015 return-1;
1016 printf("%s LSP Encoding Type: %s (%u)",
1017 ident,
1018 tok2str(gmpls_encoding_values,
1019 "Unknown",
1020 *obj_tptr),
1021 *obj_tptr);
1022 printf("%s Switching Type: %s (%u), Payload ID: %s (0x%04x)",
1023 ident,
1024 tok2str(gmpls_switch_cap_values,
1025 "Unknown",
1026 *(obj_tptr+1)),
1027 *(obj_tptr+1),
1028 tok2str(gmpls_payload_values,
1029 "Unknown",
1030 EXTRACT_16BITS(obj_tptr+2)),
1031 EXTRACT_16BITS(obj_tptr+2));
1032 obj_tlen-=4;
1033 obj_tptr+=4;
1034 break;
1035 default:
1036 hexdump=TRUE;
1037 }
1038 break;
1039
1040 case RSVP_OBJ_RRO:
1041 case RSVP_OBJ_ERO:
1042 switch(rsvp_obj_ctype) {
1043 case RSVP_CTYPE_IPV4:
1044 while(obj_tlen >= 4 ) {
1045 printf("%s Subobject Type: %s, length %u",
1046 ident,
1047 tok2str(rsvp_obj_xro_values,
1048 "Unknown %u",
1049 RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)),
1050 *(obj_tptr+1));
1051
1052 if (*(obj_tptr+1) == 0) { /* prevent infinite loops */
1053 printf("%s ERROR: zero length ERO subtype",ident);
1054 break;
1055 }
1056
1057 switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) {
1058 case RSVP_OBJ_XRO_IPV4:
1059 printf(", %s, %s/%u, Flags: [%s]",
1060 RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
1061 ipaddr_string(obj_tptr+2),
1062 *(obj_tptr+6),
1063 bittok2str(rsvp_obj_rro_flag_values,
1064 "none",
1065 *(obj_tptr+7))); /* rfc3209 says that this field is rsvd. */
1066 }
1067 obj_tlen-=*(obj_tptr+1);
1068 obj_tptr+=*(obj_tptr+1);
1069 }
1070 break;
1071 default:
1072 hexdump=TRUE;
1073 }
1074 break;
1075
1076 case RSVP_OBJ_HELLO:
1077 switch(rsvp_obj_ctype) {
1078 case RSVP_CTYPE_1:
1079 case RSVP_CTYPE_2:
1080 if (obj_tlen < 8)
1081 return-1;
1082 printf("%s Source Instance: 0x%08x, Destination Instance: 0x%08x",
1083 ident,
1084 EXTRACT_32BITS(obj_tptr),
1085 EXTRACT_32BITS(obj_tptr+4));
1086 obj_tlen-=8;
1087 obj_tptr+=8;
1088 break;
1089 default:
1090 hexdump=TRUE;
1091 }
1092 break;
1093
1094 case RSVP_OBJ_RESTART_CAPABILITY:
1095 switch(rsvp_obj_ctype) {
1096 case RSVP_CTYPE_1:
1097 if (obj_tlen < 8)
1098 return-1;
1099 printf("%s Restart Time: %ums, Recovery Time: %ums",
1100 ident,
1101 EXTRACT_32BITS(obj_tptr),
1102 EXTRACT_32BITS(obj_tptr+4));
1103 obj_tlen-=8;
1104 obj_tptr+=8;
1105 break;
1106 default:
1107 hexdump=TRUE;
1108 }
1109 break;
1110
1111 case RSVP_OBJ_SESSION_ATTRIBUTE:
1112 switch(rsvp_obj_ctype) {
1113 case RSVP_CTYPE_TUNNEL_IPV4:
1114 if (obj_tlen < 4)
1115 return-1;
1116 namelen = *(obj_tptr+3);
1117 if (obj_tlen < 4+namelen)
1118 return-1;
1119 printf("%s Session Name: ", ident);
1120 for (i = 0; i < namelen; i++)
1121 safeputchar(*(obj_tptr+4+i));
1122 printf("%s Setup Priority: %u, Holding Priority: %u, Flags: [%s]",
1123 ident,
1124 (int)*obj_tptr,
1125 (int)*(obj_tptr+1),
1126 tok2str(rsvp_session_attribute_flag_values,
1127 "none",
1128 *(obj_tptr+2)));
1129
1130 obj_tlen-=4+*(obj_tptr+3);
1131 obj_tptr+=4+*(obj_tptr+3);
1132 break;
1133 default:
1134 hexdump=TRUE;
1135 }
1136 break;
1137
1138 case RSVP_OBJ_GENERALIZED_UNI:
1139 switch(rsvp_obj_ctype) {
1140 int subobj_type,af,subobj_len,total_subobj_len;
1141
1142 case RSVP_CTYPE_1:
1143
1144 if (obj_tlen < 4)
1145 return-1;
1146
1147 /* read variable length subobjects */
1148 total_subobj_len = obj_tlen;
1149 while(total_subobj_len > 0) {
1150 subobj_len = EXTRACT_16BITS(obj_tptr);
1151 subobj_type = (EXTRACT_16BITS(obj_tptr+2))>>8;
1152 af = (EXTRACT_16BITS(obj_tptr+2))&0x00FF;
1153
1154 printf("%s Subobject Type: %s (%u), AF: %s (%u), length: %u",
1155 ident,
1156 tok2str(rsvp_obj_generalized_uni_values, "Unknown", subobj_type),
1157 subobj_type,
1158 tok2str(af_values, "Unknown", af), af,
1159 subobj_len);
1160
1161 switch(subobj_type) {
1162 case RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS:
1163 case RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS:
1164
1165 switch(af) {
1166 case AFNUM_INET:
1167 if (subobj_len < 8)
1168 return -1;
1169 printf("%s UNI IPv4 TNA address: %s",
1170 ident, ipaddr_string(obj_tptr+4));
1171 break;
1172 #ifdef INET6
1173 case AFNUM_INET6:
1174 if (subobj_len < 20)
1175 return -1;
1176 printf("%s UNI IPv6 TNA address: %s",
1177 ident, ip6addr_string(obj_tptr+4));
1178 break;
1179 #endif
1180 case AFNUM_NSAP:
1181 if (subobj_len) {
1182 /* unless we have a TLV parser lets just hexdump */
1183 hexdump=TRUE;
1184 }
1185 break;
1186 }
1187 break;
1188
1189 case RSVP_GEN_UNI_SUBOBJ_DIVERSITY:
1190 if (subobj_len) {
1191 /* unless we have a TLV parser lets just hexdump */
1192 hexdump=TRUE;
1193 }
1194 break;
1195
1196 case RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL:
1197 if (subobj_len < 16) {
1198 return -1;
1199 }
1200
1201 printf("%s U-bit: %x, Label type: %u, Logical port id: %u, Label: %u",
1202 ident,
1203 ((EXTRACT_32BITS(obj_tptr+4))>>31),
1204 ((EXTRACT_32BITS(obj_tptr+4))&0xFF),
1205 EXTRACT_32BITS(obj_tptr+8),
1206 EXTRACT_32BITS(obj_tptr+12));
1207 break;
1208
1209 case RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL:
1210 if (subobj_len < 8) {
1211 return -1;
1212 }
1213
1214 printf("%s Service level: %u",
1215 ident, (EXTRACT_32BITS(obj_tptr+4))>>24);
1216 break;
1217
1218 default:
1219 hexdump=TRUE;
1220 break;
1221 }
1222 total_subobj_len-=subobj_len;
1223 obj_tptr+=subobj_len;
1224 obj_tlen+=subobj_len;
1225 }
1226
1227 if (total_subobj_len) {
1228 /* unless we have a TLV parser lets just hexdump */
1229 hexdump=TRUE;
1230 }
1231 break;
1232
1233 default:
1234 hexdump=TRUE;
1235 }
1236 break;
1237
1238 case RSVP_OBJ_RSVP_HOP:
1239 switch(rsvp_obj_ctype) {
1240 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1241 case RSVP_CTYPE_IPV4:
1242 if (obj_tlen < 8)
1243 return-1;
1244 printf("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1245 ident,
1246 ipaddr_string(obj_tptr),
1247 EXTRACT_32BITS(obj_tptr+4));
1248 obj_tlen-=8;
1249 obj_tptr+=8;
1250 if (obj_tlen)
1251 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1252 break;
1253 #ifdef INET6
1254 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1255 case RSVP_CTYPE_IPV6:
1256 if (obj_tlen < 20)
1257 return-1;
1258 printf("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1259 ident,
1260 ip6addr_string(obj_tptr),
1261 EXTRACT_32BITS(obj_tptr+16));
1262 obj_tlen-=20;
1263 obj_tptr+=20;
1264 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1265 break;
1266 #endif
1267 default:
1268 hexdump=TRUE;
1269 }
1270 break;
1271
1272 case RSVP_OBJ_TIME_VALUES:
1273 switch(rsvp_obj_ctype) {
1274 case RSVP_CTYPE_1:
1275 if (obj_tlen < 4)
1276 return-1;
1277 printf("%s Refresh Period: %ums",
1278 ident,
1279 EXTRACT_32BITS(obj_tptr));
1280 obj_tlen-=4;
1281 obj_tptr+=4;
1282 break;
1283 default:
1284 hexdump=TRUE;
1285 }
1286 break;
1287
1288 /* those three objects do share the same semantics */
1289 case RSVP_OBJ_SENDER_TSPEC:
1290 case RSVP_OBJ_ADSPEC:
1291 case RSVP_OBJ_FLOWSPEC:
1292 switch(rsvp_obj_ctype) {
1293 case RSVP_CTYPE_2:
1294 if (obj_tlen < 4)
1295 return-1;
1296 printf("%s Msg-Version: %u, length: %u",
1297 ident,
1298 (*obj_tptr & 0xf0) >> 4,
1299 EXTRACT_16BITS(obj_tptr+2)<<2);
1300 obj_tptr+=4; /* get to the start of the service header */
1301 obj_tlen-=4;
1302
1303 while (obj_tlen >= 4) {
1304 intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
1305 printf("%s Service Type: %s (%u), break bit %s set, Service length: %u",
1306 ident,
1307 tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)),
1308 *(obj_tptr),
1309 (*(obj_tptr+1)&0x80) ? "" : "not",
1310 intserv_serv_tlen);
1311
1312 obj_tptr+=4; /* get to the start of the parameter list */
1313 obj_tlen-=4;
1314
1315 while (intserv_serv_tlen>=4) {
1316 processed = rsvp_intserv_print(obj_tptr, obj_tlen);
1317 if (processed == 0)
1318 break;
1319 obj_tlen-=processed;
1320 intserv_serv_tlen-=processed;
1321 obj_tptr+=processed;
1322 }
1323 }
1324 break;
1325 default:
1326 hexdump=TRUE;
1327 }
1328 break;
1329
1330 case RSVP_OBJ_FILTERSPEC:
1331 switch(rsvp_obj_ctype) {
1332 case RSVP_CTYPE_IPV4:
1333 if (obj_tlen < 8)
1334 return-1;
1335 printf("%s Source Address: %s, Source Port: %u",
1336 ident,
1337 ipaddr_string(obj_tptr),
1338 EXTRACT_16BITS(obj_tptr+6));
1339 obj_tlen-=8;
1340 obj_tptr+=8;
1341 break;
1342 #ifdef INET6
1343 case RSVP_CTYPE_IPV6:
1344 if (obj_tlen < 20)
1345 return-1;
1346 printf("%s Source Address: %s, Source Port: %u",
1347 ident,
1348 ip6addr_string(obj_tptr),
1349 EXTRACT_16BITS(obj_tptr+18));
1350 obj_tlen-=20;
1351 obj_tptr+=20;
1352 break;
1353 case RSVP_CTYPE_3:
1354 if (obj_tlen < 20)
1355 return-1;
1356 printf("%s Source Address: %s, Flow Label: %u",
1357 ident,
1358 ip6addr_string(obj_tptr),
1359 EXTRACT_24BITS(obj_tptr+17));
1360 obj_tlen-=20;
1361 obj_tptr+=20;
1362 break;
1363 case RSVP_CTYPE_TUNNEL_IPV6:
1364 if (obj_tlen < 20)
1365 return-1;
1366 printf("%s Source Address: %s, LSP-ID: 0x%04x",
1367 ident,
1368 ipaddr_string(obj_tptr),
1369 EXTRACT_16BITS(obj_tptr+18));
1370 obj_tlen-=20;
1371 obj_tptr+=20;
1372 break;
1373 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
1374 if (obj_tlen < 40)
1375 return-1;
1376 printf("%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
1377 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
1378 ident,
1379 ip6addr_string(obj_tptr),
1380 EXTRACT_16BITS(obj_tptr+18),
1381 ident,
1382 ip6addr_string(obj_tptr+20),
1383 EXTRACT_16BITS(obj_tptr+38));
1384 obj_tlen-=40;
1385 obj_tptr+=40;
1386 break;
1387 #endif
1388 case RSVP_CTYPE_TUNNEL_IPV4:
1389 if (obj_tlen < 8)
1390 return-1;
1391 printf("%s Source Address: %s, LSP-ID: 0x%04x",
1392 ident,
1393 ipaddr_string(obj_tptr),
1394 EXTRACT_16BITS(obj_tptr+6));
1395 obj_tlen-=8;
1396 obj_tptr+=8;
1397 break;
1398 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
1399 if (obj_tlen < 16)
1400 return-1;
1401 printf("%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
1402 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
1403 ident,
1404 ipaddr_string(obj_tptr),
1405 EXTRACT_16BITS(obj_tptr+6),
1406 ident,
1407 ipaddr_string(obj_tptr+8),
1408 EXTRACT_16BITS(obj_tptr+12));
1409 obj_tlen-=16;
1410 obj_tptr+=16;
1411 break;
1412 default:
1413 hexdump=TRUE;
1414 }
1415 break;
1416
1417 case RSVP_OBJ_FASTREROUTE:
1418 /* the differences between c-type 1 and 7 are minor */
1419 obj_ptr.rsvp_obj_frr = (const struct rsvp_obj_frr_t *)obj_tptr;
1420 bw.i = EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->bandwidth);
1421
1422 switch(rsvp_obj_ctype) {
1423 case RSVP_CTYPE_1: /* new style */
1424 if (obj_tlen < sizeof(struct rsvp_obj_frr_t))
1425 return-1;
1426 printf("%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1427 ident,
1428 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1429 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1430 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1431 bw.f*8/1000000);
1432 printf("%s Include-any: 0x%08x, Exclude-any: 0x%08x, Include-all: 0x%08x",
1433 ident,
1434 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1435 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any),
1436 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_all));
1437 obj_tlen-=sizeof(struct rsvp_obj_frr_t);
1438 obj_tptr+=sizeof(struct rsvp_obj_frr_t);
1439 break;
1440
1441 case RSVP_CTYPE_TUNNEL_IPV4: /* old style */
1442 if (obj_tlen < 16)
1443 return-1;
1444 printf("%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1445 ident,
1446 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1447 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1448 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1449 bw.f*8/1000000);
1450 printf("%s Include Colors: 0x%08x, Exclude Colors: 0x%08x",
1451 ident,
1452 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1453 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any));
1454 obj_tlen-=16;
1455 obj_tptr+=16;
1456 break;
1457
1458 default:
1459 hexdump=TRUE;
1460 }
1461 break;
1462
1463 case RSVP_OBJ_DETOUR:
1464 switch(rsvp_obj_ctype) {
1465 case RSVP_CTYPE_TUNNEL_IPV4:
1466 while(obj_tlen >= 8) {
1467 printf("%s PLR-ID: %s, Avoid-Node-ID: %s",
1468 ident,
1469 ipaddr_string(obj_tptr),
1470 ipaddr_string(obj_tptr+4));
1471 obj_tlen-=8;
1472 obj_tptr+=8;
1473 }
1474 break;
1475 default:
1476 hexdump=TRUE;
1477 }
1478 break;
1479
1480 case RSVP_OBJ_CLASSTYPE:
1481 case RSVP_OBJ_CLASSTYPE_OLD: /* fall through */
1482 switch(rsvp_obj_ctype) {
1483 case RSVP_CTYPE_1:
1484 printf("%s CT: %u",
1485 ident,
1486 EXTRACT_32BITS(obj_tptr)&0x7);
1487 obj_tlen-=4;
1488 obj_tptr+=4;
1489 break;
1490 default:
1491 hexdump=TRUE;
1492 }
1493 break;
1494
1495 case RSVP_OBJ_ERROR_SPEC:
1496 switch(rsvp_obj_ctype) {
1497 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1498 case RSVP_CTYPE_IPV4:
1499 if (obj_tlen < 8)
1500 return-1;
1501 error_code=*(obj_tptr+5);
1502 error_value=EXTRACT_16BITS(obj_tptr+6);
1503 printf("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1504 ident,
1505 ipaddr_string(obj_tptr),
1506 *(obj_tptr+4),
1507 ident,
1508 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1509 error_code);
1510 switch (error_code) {
1511 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1512 printf(", Error Value: %s (%u)",
1513 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1514 error_value);
1515 break;
1516 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE: /* fall through */
1517 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD:
1518 printf(", Error Value: %s (%u)",
1519 tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value),
1520 error_value);
1521 break;
1522 default:
1523 printf(", Unknown Error Value (%u)", error_value);
1524 break;
1525 }
1526 obj_tlen-=8;
1527 obj_tptr+=8;
1528 break;
1529 #ifdef INET6
1530 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1531 case RSVP_CTYPE_IPV6:
1532 if (obj_tlen < 20)
1533 return-1;
1534 error_code=*(obj_tptr+17);
1535 error_value=EXTRACT_16BITS(obj_tptr+18);
1536 printf("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1537 ident,
1538 ip6addr_string(obj_tptr),
1539 *(obj_tptr+16),
1540 ident,
1541 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1542 error_code);
1543
1544 switch (error_code) {
1545 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1546 printf(", Error Value: %s (%u)",
1547 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1548 error_value);
1549 break;
1550 default:
1551 break;
1552 }
1553 obj_tlen-=20;
1554 obj_tptr+=20;
1555 break;
1556 #endif
1557 default:
1558 hexdump=TRUE;
1559 }
1560 break;
1561
1562 case RSVP_OBJ_PROPERTIES:
1563 switch(rsvp_obj_ctype) {
1564 case RSVP_CTYPE_1:
1565 if (obj_tlen < 4)
1566 return-1;
1567 padbytes = EXTRACT_16BITS(obj_tptr+2);
1568 printf("%s TLV count: %u, padding bytes: %u",
1569 ident,
1570 EXTRACT_16BITS(obj_tptr),
1571 padbytes);
1572 obj_tlen-=4;
1573 obj_tptr+=4;
1574 /* loop through as long there is anything longer than the TLV header (2) */
1575 while(obj_tlen >= 2 + padbytes) {
1576 printf("%s %s TLV (0x%02x), length: %u", /* length includes header */
1577 ident,
1578 tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
1579 *obj_tptr,
1580 *(obj_tptr+1));
1581 if (obj_tlen < *(obj_tptr+1))
1582 return-1;
1583 if (*(obj_tptr+1) < 2)
1584 return -1;
1585 print_unknown_data(obj_tptr+2,"\n\t\t",*(obj_tptr+1)-2);
1586 obj_tlen-=*(obj_tptr+1);
1587 obj_tptr+=*(obj_tptr+1);
1588 }
1589 break;
1590 default:
1591 hexdump=TRUE;
1592 }
1593 break;
1594
1595 case RSVP_OBJ_MESSAGE_ID: /* fall through */
1596 case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */
1597 case RSVP_OBJ_MESSAGE_ID_LIST:
1598 switch(rsvp_obj_ctype) {
1599 case RSVP_CTYPE_1:
1600 case RSVP_CTYPE_2:
1601 if (obj_tlen < 8)
1602 return-1;
1603 printf("%s Flags [0x%02x], epoch: %u",
1604 ident,
1605 *obj_tptr,
1606 EXTRACT_24BITS(obj_tptr+1));
1607 obj_tlen-=4;
1608 obj_tptr+=4;
1609 /* loop through as long there are no messages left */
1610 while(obj_tlen >= 4) {
1611 printf("%s Message-ID 0x%08x (%u)",
1612 ident,
1613 EXTRACT_32BITS(obj_tptr),
1614 EXTRACT_32BITS(obj_tptr));
1615 obj_tlen-=4;
1616 obj_tptr+=4;
1617 }
1618 break;
1619 default:
1620 hexdump=TRUE;
1621 }
1622 break;
1623
1624 case RSVP_OBJ_INTEGRITY:
1625 switch(rsvp_obj_ctype) {
1626 case RSVP_CTYPE_1:
1627 if (obj_tlen < sizeof(struct rsvp_obj_integrity_t))
1628 return-1;
1629 obj_ptr.rsvp_obj_integrity = (const struct rsvp_obj_integrity_t *)obj_tptr;
1630 printf("%s Key-ID 0x%04x%08x, Sequence 0x%08x%08x, Flags [%s]",
1631 ident,
1632 EXTRACT_16BITS(obj_ptr.rsvp_obj_integrity->key_id),
1633 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->key_id+2),
1634 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence),
1635 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence+4),
1636 bittok2str(rsvp_obj_integrity_flag_values,
1637 "none",
1638 obj_ptr.rsvp_obj_integrity->flags));
1639 printf("%s MD5-sum 0x%08x%08x%08x%08x (unverified)",
1640 ident,
1641 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest),
1642 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+4),
1643 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+8),
1644 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+12));
1645 obj_tlen+=sizeof(struct rsvp_obj_integrity_t);
1646 obj_tptr+=sizeof(struct rsvp_obj_integrity_t);
1647 break;
1648 default:
1649 hexdump=TRUE;
1650 }
1651 break;
1652
1653 case RSVP_OBJ_ADMIN_STATUS:
1654 switch(rsvp_obj_ctype) {
1655 case RSVP_CTYPE_1:
1656 if (obj_tlen < 4)
1657 return-1;
1658 printf("%s Flags [%s]", ident,
1659 bittok2str(rsvp_obj_admin_status_flag_values, "none",
1660 EXTRACT_32BITS(obj_tptr)));
1661 obj_tlen-=4;
1662 obj_tptr+=4;
1663 break;
1664 default:
1665 hexdump=TRUE;
1666 }
1667 break;
1668
1669 case RSVP_OBJ_LABEL_SET:
1670 switch(rsvp_obj_ctype) {
1671 case RSVP_CTYPE_1:
1672 if (obj_tlen < 4)
1673 return-1;
1674 action = (EXTRACT_16BITS(obj_tptr)>>8);
1675
1676 printf("%s Action: %s (%u), Label type: %u", ident,
1677 tok2str(rsvp_obj_label_set_action_values, "Unknown", action),
1678 action, ((EXTRACT_32BITS(obj_tptr) & 0x7F)));
1679
1680 switch (action) {
1681 case LABEL_SET_INCLUSIVE_RANGE:
1682 case LABEL_SET_EXCLUSIVE_RANGE: /* fall through */
1683
1684 /* only a couple of subchannels are expected */
1685 if (obj_tlen < 12)
1686 return -1;
1687 printf("%s Start range: %u, End range: %u", ident,
1688 EXTRACT_32BITS(obj_tptr+4),
1689 EXTRACT_32BITS(obj_tptr+8));
1690 obj_tlen-=12;
1691 obj_tptr+=12;
1692 break;
1693
1694 default:
1695 obj_tlen-=4;
1696 obj_tptr+=4;
1697 subchannel = 1;
1698 while(obj_tlen >= 4 ) {
1699 printf("%s Subchannel #%u: %u", ident, subchannel,
1700 EXTRACT_32BITS(obj_tptr));
1701 obj_tptr+=4;
1702 obj_tlen-=4;
1703 subchannel++;
1704 }
1705 break;
1706 }
1707 break;
1708 default:
1709 hexdump=TRUE;
1710 }
1711
1712 case RSVP_OBJ_S2L:
1713 switch (rsvp_obj_ctype) {
1714 case RSVP_CTYPE_IPV4:
1715 if (obj_tlen < 4)
1716 return-1;
1717 printf("%s Sub-LSP destination address: %s",
1718 ident, ipaddr_string(obj_tptr));
1719
1720 obj_tlen-=4;
1721 obj_tptr+=4;
1722 break;
1723 #ifdef INET6
1724 case RSVP_CTYPE_IPV6:
1725 if (obj_tlen < 16)
1726 return-1;
1727 printf("%s Sub-LSP destination address: %s",
1728 ident, ip6addr_string(obj_tptr));
1729
1730 obj_tlen-=16;
1731 obj_tptr+=16;
1732 break;
1733 #endif
1734 default:
1735 hexdump=TRUE;
1736 }
1737
1738 /*
1739 * FIXME those are the defined objects that lack a decoder
1740 * you are welcome to contribute code ;-)
1741 */
1742
1743 case RSVP_OBJ_SCOPE:
1744 case RSVP_OBJ_POLICY_DATA:
1745 case RSVP_OBJ_ACCEPT_LABEL_SET:
1746 case RSVP_OBJ_PROTECTION:
1747 default:
1748 if (vflag <= 1)
1749 print_unknown_data(obj_tptr,"\n\t ",obj_tlen); /* FIXME indentation */
1750 break;
1751 }
1752 /* do we also want to see a hex dump ? */
1753 if (vflag > 1 || hexdump==TRUE)
1754 print_unknown_data(tptr+sizeof(sizeof(struct rsvp_object_header)),"\n\t ", /* FIXME indentation */
1755 rsvp_obj_len-sizeof(struct rsvp_object_header));
1756
1757 tptr+=rsvp_obj_len;
1758 tlen-=rsvp_obj_len;
1759 }
1760 return 0;
1761 trunc:
1762 printf("\n\t\t packet exceeded snapshot");
1763 return -1;
1764 }
1765
1766
1767 void
1768 rsvp_print(register const u_char *pptr, register u_int len) {
1769
1770 const struct rsvp_common_header *rsvp_com_header;
1771 const u_char *tptr,*subtptr;
1772 u_short tlen,subtlen;
1773
1774 tptr=pptr;
1775
1776 rsvp_com_header = (const struct rsvp_common_header *)pptr;
1777 TCHECK(*rsvp_com_header);
1778
1779 /*
1780 * Sanity checking of the header.
1781 */
1782 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1783 printf("ERROR: RSVP version %u packet not supported",
1784 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags));
1785 return;
1786 }
1787
1788 /* in non-verbose mode just lets print the basic Message Type*/
1789 if (vflag < 1) {
1790 printf("RSVPv%u %s Message, length: %u",
1791 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1792 tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
1793 len);
1794 return;
1795 }
1796
1797 /* ok they seem to want to know everything - lets fully decode it */
1798
1799 tlen=EXTRACT_16BITS(rsvp_com_header->length);
1800
1801 printf("\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1802 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1803 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1804 rsvp_com_header->msg_type,
1805 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1806 tlen,
1807 rsvp_com_header->ttl,
1808 EXTRACT_16BITS(rsvp_com_header->checksum));
1809
1810 if (tlen < sizeof(const struct rsvp_common_header)) {
1811 printf("ERROR: common header too short %u < %lu", tlen,
1812 (unsigned long)sizeof(const struct rsvp_common_header));
1813 return;
1814 }
1815
1816 tptr+=sizeof(const struct rsvp_common_header);
1817 tlen-=sizeof(const struct rsvp_common_header);
1818
1819 switch(rsvp_com_header->msg_type) {
1820
1821 case RSVP_MSGTYPE_AGGREGATE:
1822 while(tlen > 0) {
1823 subtptr=tptr;
1824 rsvp_com_header = (const struct rsvp_common_header *)subtptr;
1825 TCHECK(*rsvp_com_header);
1826
1827 /*
1828 * Sanity checking of the header.
1829 */
1830 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1831 printf("ERROR: RSVP version %u packet not supported",
1832 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags));
1833 return;
1834 }
1835 subtlen=EXTRACT_16BITS(rsvp_com_header->length);
1836
1837 printf("\n\t RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1838 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1839 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1840 rsvp_com_header->msg_type,
1841 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1842 subtlen,
1843 rsvp_com_header->ttl,
1844 EXTRACT_16BITS(rsvp_com_header->checksum));
1845
1846 if (subtlen < sizeof(const struct rsvp_common_header)) {
1847 printf("ERROR: common header too short %u < %lu", subtlen,
1848 (unsigned long)sizeof(const struct rsvp_common_header));
1849 return;
1850 }
1851
1852 if (tlen < subtlen) {
1853 printf("ERROR: common header too large %u > %u", subtlen,
1854 tlen);
1855 return;
1856 }
1857
1858 subtptr+=sizeof(const struct rsvp_common_header);
1859 subtlen-=sizeof(const struct rsvp_common_header);
1860
1861 if (rsvp_obj_print(subtptr,"\n\t ", subtlen) == -1)
1862 return;
1863
1864 tptr+=subtlen+sizeof(const struct rsvp_common_header);
1865 tlen-=subtlen+sizeof(const struct rsvp_common_header);
1866 }
1867
1868 break;
1869
1870 case RSVP_MSGTYPE_PATH:
1871 case RSVP_MSGTYPE_RESV:
1872 case RSVP_MSGTYPE_PATHERR:
1873 case RSVP_MSGTYPE_RESVERR:
1874 case RSVP_MSGTYPE_PATHTEAR:
1875 case RSVP_MSGTYPE_RESVTEAR:
1876 case RSVP_MSGTYPE_RESVCONF:
1877 case RSVP_MSGTYPE_HELLO_OLD:
1878 case RSVP_MSGTYPE_HELLO:
1879 case RSVP_MSGTYPE_ACK:
1880 case RSVP_MSGTYPE_SREFRESH:
1881 if (rsvp_obj_print(tptr,"\n\t ", tlen) == -1)
1882 return;
1883 break;
1884
1885 default:
1886 print_unknown_data(tptr,"\n\t ",tlen);
1887 break;
1888 }
1889
1890 return;
1891 trunc:
1892 printf("\n\t\t packet exceeded snapshot");
1893 }
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