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 #include <sys/cdefs.h>
19 #ifndef lint
20 __RCSID("$NetBSD: print-rsvp.c,v 1.7 2015/03/31 21:59:35 christos Exp $");
21 #endif
22
23 #define NETDISSECT_REWORKED
24 #ifdef HAVE_CONFIG_H
25 #include "config.h"
26 #endif
27
28 #include <tcpdump-stdinc.h>
29
30 #include "interface.h"
31 #include "extract.h"
32 #include "addrtoname.h"
33 #include "ethertype.h"
34 #include "gmpls.h"
35 #include "af.h"
36 #include "signature.h"
37
38 /*
39 * RFC 2205 common header
40 *
41 * 0 1 2 3
42 * +-------------+-------------+-------------+-------------+
43 * | Vers | Flags| Msg Type | RSVP Checksum |
44 * +-------------+-------------+-------------+-------------+
45 * | Send_TTL | (Reserved) | RSVP Length |
46 * +-------------+-------------+-------------+-------------+
47 *
48 */
49
50 struct rsvp_common_header {
51 uint8_t version_flags;
52 uint8_t msg_type;
53 uint8_t checksum[2];
54 uint8_t ttl;
55 uint8_t reserved;
56 uint8_t length[2];
57 };
58
59 /*
60 * RFC2205 object header
61 *
62 *
63 * 0 1 2 3
64 * +-------------+-------------+-------------+-------------+
65 * | Length (bytes) | Class-Num | C-Type |
66 * +-------------+-------------+-------------+-------------+
67 * | |
68 * // (Object contents) //
69 * | |
70 * +-------------+-------------+-------------+-------------+
71 */
72
73 struct rsvp_object_header {
74 uint8_t length[2];
75 uint8_t class_num;
76 uint8_t ctype;
77 };
78
79 #define RSVP_VERSION 1
80 #define RSVP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
81 #define RSVP_EXTRACT_FLAGS(x) ((x)&0x0f)
82
83 #define RSVP_MSGTYPE_PATH 1
84 #define RSVP_MSGTYPE_RESV 2
85 #define RSVP_MSGTYPE_PATHERR 3
86 #define RSVP_MSGTYPE_RESVERR 4
87 #define RSVP_MSGTYPE_PATHTEAR 5
88 #define RSVP_MSGTYPE_RESVTEAR 6
89 #define RSVP_MSGTYPE_RESVCONF 7
90 #define RSVP_MSGTYPE_AGGREGATE 12
91 #define RSVP_MSGTYPE_ACK 13
92 #define RSVP_MSGTYPE_HELLO_OLD 14 /* ancient Hellos */
93 #define RSVP_MSGTYPE_SREFRESH 15
94 #define RSVP_MSGTYPE_HELLO 20
95
96 static const struct tok rsvp_msg_type_values[] = {
97 { RSVP_MSGTYPE_PATH, "Path" },
98 { RSVP_MSGTYPE_RESV, "Resv" },
99 { RSVP_MSGTYPE_PATHERR, "PathErr" },
100 { RSVP_MSGTYPE_RESVERR, "ResvErr" },
101 { RSVP_MSGTYPE_PATHTEAR, "PathTear" },
102 { RSVP_MSGTYPE_RESVTEAR, "ResvTear" },
103 { RSVP_MSGTYPE_RESVCONF, "ResvConf" },
104 { RSVP_MSGTYPE_AGGREGATE, "Aggregate" },
105 { RSVP_MSGTYPE_ACK, "Acknowledgement" },
106 { RSVP_MSGTYPE_HELLO_OLD, "Hello (Old)" },
107 { RSVP_MSGTYPE_SREFRESH, "Refresh" },
108 { RSVP_MSGTYPE_HELLO, "Hello" },
109 { 0, NULL}
110 };
111
112 static const struct tok rsvp_header_flag_values[] = {
113 { 0x01, "Refresh reduction capable" }, /* rfc2961 */
114 { 0, NULL}
115 };
116
117 #define RSVP_OBJ_SESSION 1 /* rfc2205 */
118 #define RSVP_OBJ_RSVP_HOP 3 /* rfc2205, rfc3473 */
119 #define RSVP_OBJ_INTEGRITY 4 /* rfc2747 */
120 #define RSVP_OBJ_TIME_VALUES 5 /* rfc2205 */
121 #define RSVP_OBJ_ERROR_SPEC 6
122 #define RSVP_OBJ_SCOPE 7
123 #define RSVP_OBJ_STYLE 8 /* rfc2205 */
124 #define RSVP_OBJ_FLOWSPEC 9 /* rfc2215 */
125 #define RSVP_OBJ_FILTERSPEC 10 /* rfc2215 */
126 #define RSVP_OBJ_SENDER_TEMPLATE 11
127 #define RSVP_OBJ_SENDER_TSPEC 12 /* rfc2215 */
128 #define RSVP_OBJ_ADSPEC 13 /* rfc2215 */
129 #define RSVP_OBJ_POLICY_DATA 14
130 #define RSVP_OBJ_CONFIRM 15 /* rfc2205 */
131 #define RSVP_OBJ_LABEL 16 /* rfc3209 */
132 #define RSVP_OBJ_LABEL_REQ 19 /* rfc3209 */
133 #define RSVP_OBJ_ERO 20 /* rfc3209 */
134 #define RSVP_OBJ_RRO 21 /* rfc3209 */
135 #define RSVP_OBJ_HELLO 22 /* rfc3209 */
136 #define RSVP_OBJ_MESSAGE_ID 23 /* rfc2961 */
137 #define RSVP_OBJ_MESSAGE_ID_ACK 24 /* rfc2961 */
138 #define RSVP_OBJ_MESSAGE_ID_LIST 25 /* rfc2961 */
139 #define RSVP_OBJ_RECOVERY_LABEL 34 /* rfc3473 */
140 #define RSVP_OBJ_UPSTREAM_LABEL 35 /* rfc3473 */
141 #define RSVP_OBJ_LABEL_SET 36 /* rfc3473 */
142 #define RSVP_OBJ_PROTECTION 37 /* rfc3473 */
143 #define RSVP_OBJ_S2L 50 /* rfc4875 */
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_GENERALIZED_UNI 229 /* OIF RSVP extensions UNI 1.0 Signaling, Rel. 2 */
156 #define RSVP_OBJ_CALL_ID 230 /* rfc3474 */
157 #define RSVP_OBJ_CALL_OPS 236 /* rfc3474 */
158
159 static const struct tok rsvp_obj_values[] = {
160 { RSVP_OBJ_SESSION, "Session" },
161 { RSVP_OBJ_RSVP_HOP, "RSVP Hop" },
162 { RSVP_OBJ_INTEGRITY, "Integrity" },
163 { RSVP_OBJ_TIME_VALUES, "Time Values" },
164 { RSVP_OBJ_ERROR_SPEC, "Error Spec" },
165 { RSVP_OBJ_SCOPE, "Scope" },
166 { RSVP_OBJ_STYLE, "Style" },
167 { RSVP_OBJ_FLOWSPEC, "Flowspec" },
168 { RSVP_OBJ_FILTERSPEC, "FilterSpec" },
169 { RSVP_OBJ_SENDER_TEMPLATE, "Sender Template" },
170 { RSVP_OBJ_SENDER_TSPEC, "Sender TSpec" },
171 { RSVP_OBJ_ADSPEC, "Adspec" },
172 { RSVP_OBJ_POLICY_DATA, "Policy Data" },
173 { RSVP_OBJ_CONFIRM, "Confirm" },
174 { RSVP_OBJ_LABEL, "Label" },
175 { RSVP_OBJ_LABEL_REQ, "Label Request" },
176 { RSVP_OBJ_ERO, "ERO" },
177 { RSVP_OBJ_RRO, "RRO" },
178 { RSVP_OBJ_HELLO, "Hello" },
179 { RSVP_OBJ_MESSAGE_ID, "Message ID" },
180 { RSVP_OBJ_MESSAGE_ID_ACK, "Message ID Ack" },
181 { RSVP_OBJ_MESSAGE_ID_LIST, "Message ID List" },
182 { RSVP_OBJ_RECOVERY_LABEL, "Recovery Label" },
183 { RSVP_OBJ_UPSTREAM_LABEL, "Upstream Label" },
184 { RSVP_OBJ_LABEL_SET, "Label Set" },
185 { RSVP_OBJ_ACCEPT_LABEL_SET, "Acceptable Label Set" },
186 { RSVP_OBJ_DETOUR, "Detour" },
187 { RSVP_OBJ_CLASSTYPE, "Class Type" },
188 { RSVP_OBJ_CLASSTYPE_OLD, "Class Type (old)" },
189 { RSVP_OBJ_SUGGESTED_LABEL, "Suggested Label" },
190 { RSVP_OBJ_PROPERTIES, "Properties" },
191 { RSVP_OBJ_FASTREROUTE, "Fast Re-Route" },
192 { RSVP_OBJ_SESSION_ATTRIBUTE, "Session Attribute" },
193 { RSVP_OBJ_GENERALIZED_UNI, "Generalized UNI" },
194 { RSVP_OBJ_CALL_ID, "Call-ID" },
195 { RSVP_OBJ_CALL_OPS, "Call Capability" },
196 { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" },
197 { RSVP_OBJ_NOTIFY_REQ, "Notify Request" },
198 { RSVP_OBJ_PROTECTION, "Protection" },
199 { RSVP_OBJ_ADMIN_STATUS, "Administrative Status" },
200 { RSVP_OBJ_S2L, "Sub-LSP to LSP" },
201 { 0, NULL}
202 };
203
204 #define RSVP_CTYPE_IPV4 1
205 #define RSVP_CTYPE_IPV6 2
206 #define RSVP_CTYPE_TUNNEL_IPV4 7
207 #define RSVP_CTYPE_TUNNEL_IPV6 8
208 #define RSVP_CTYPE_UNI_IPV4 11 /* OIF RSVP extensions UNI 1.0 Signaling Rel. 2 */
209 #define RSVP_CTYPE_1 1
210 #define RSVP_CTYPE_2 2
211 #define RSVP_CTYPE_3 3
212 #define RSVP_CTYPE_4 4
213 #define RSVP_CTYPE_12 12
214 #define RSVP_CTYPE_13 13
215 #define RSVP_CTYPE_14 14
216
217 /*
218 * the ctypes are not globally unique so for
219 * translating it to strings we build a table based
220 * on objects offsetted by the ctype
221 */
222
223 static const struct tok rsvp_ctype_values[] = {
224 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV4, "IPv4" },
225 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV6, "IPv6" },
226 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
227 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
228 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV4, "IPv4" },
229 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV6, "IPv6" },
230 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV4, "IPv4" },
231 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV6, "IPv6" },
232 { 256*RSVP_OBJ_TIME_VALUES+RSVP_CTYPE_1, "1" },
233 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_1, "obsolete" },
234 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_2, "IntServ" },
235 { 256*RSVP_OBJ_SENDER_TSPEC+RSVP_CTYPE_2, "IntServ" },
236 { 256*RSVP_OBJ_ADSPEC+RSVP_CTYPE_2, "IntServ" },
237 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV4, "IPv4" },
238 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6, "IPv6" },
239 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3, "IPv6 Flow-label" },
240 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
241 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" },
242 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" },
243 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4, "IPv4" },
244 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6, "IPv6" },
245 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
246 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_UNI_IPV4, "UNI IPv4" },
247 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_13, "IPv4 P2MP LSP Tunnel" },
248 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_14, "IPv6 P2MP LSP Tunnel" },
249 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV4, "IPv4" },
250 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6, "IPv6" },
251 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
252 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" },
253 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" },
254 { 256*RSVP_OBJ_MESSAGE_ID+RSVP_CTYPE_1, "1" },
255 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_1, "Message id ack" },
256 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_2, "Message id nack" },
257 { 256*RSVP_OBJ_MESSAGE_ID_LIST+RSVP_CTYPE_1, "1" },
258 { 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1, "1" },
259 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1, "Hello Request" },
260 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2, "Hello Ack" },
261 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1, "without label range" },
262 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2, "with ATM label range" },
263 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3, "with FR label range" },
264 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4, "Generalized Label" },
265 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1, "Label" },
266 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_2, "Generalized Label" },
267 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
268 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1, "Label" },
269 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_2, "Generalized Label" },
270 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
271 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1, "Label" },
272 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_2, "Generalized Label" },
273 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
274 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_1, "Label" },
275 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_2, "Generalized Label" },
276 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
277 { 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4, "IPv4" },
278 { 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4, "IPv4" },
279 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4, "IPv4" },
280 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6, "IPv6" },
281 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
282 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
283 { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1, "IPv4" },
284 { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
285 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, /* old style*/
286 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_1, "1" }, /* new style */
287 { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
288 { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1, "1" },
289 { 256*RSVP_OBJ_ADMIN_STATUS+RSVP_CTYPE_1, "1" },
290 { 256*RSVP_OBJ_CLASSTYPE+RSVP_CTYPE_1, "1" },
291 { 256*RSVP_OBJ_CLASSTYPE_OLD+RSVP_CTYPE_1, "1" },
292 { 256*RSVP_OBJ_LABEL_SET+RSVP_CTYPE_1, "1" },
293 { 256*RSVP_OBJ_GENERALIZED_UNI+RSVP_CTYPE_1, "1" },
294 { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV4, "IPv4 sub-LSP" },
295 { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV6, "IPv6 sub-LSP" },
296 { 0, NULL}
297 };
298
299 struct rsvp_obj_integrity_t {
300 uint8_t flags;
301 uint8_t res;
302 uint8_t key_id[6];
303 uint8_t sequence[8];
304 uint8_t digest[16];
305 };
306
307 static const struct tok rsvp_obj_integrity_flag_values[] = {
308 { 0x80, "Handshake" },
309 { 0, NULL}
310 };
311
312 struct rsvp_obj_frr_t {
313 uint8_t setup_prio;
314 uint8_t hold_prio;
315 uint8_t hop_limit;
316 uint8_t flags;
317 uint8_t bandwidth[4];
318 uint8_t include_any[4];
319 uint8_t exclude_any[4];
320 uint8_t include_all[4];
321 };
322
323
324 #define RSVP_OBJ_XRO_MASK_SUBOBJ(x) ((x)&0x7f)
325 #define RSVP_OBJ_XRO_MASK_LOOSE(x) ((x)&0x80)
326
327 #define RSVP_OBJ_XRO_RES 0
328 #define RSVP_OBJ_XRO_IPV4 1
329 #define RSVP_OBJ_XRO_IPV6 2
330 #define RSVP_OBJ_XRO_LABEL 3
331 #define RSVP_OBJ_XRO_ASN 32
332 #define RSVP_OBJ_XRO_MPLS 64
333
334 static const struct tok rsvp_obj_xro_values[] = {
335 { RSVP_OBJ_XRO_RES, "Reserved" },
336 { RSVP_OBJ_XRO_IPV4, "IPv4 prefix" },
337 { RSVP_OBJ_XRO_IPV6, "IPv6 prefix" },
338 { RSVP_OBJ_XRO_LABEL, "Label" },
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 /* RFC3209 */
354 static const struct tok rsvp_obj_rro_label_flag_values[] = {
355 { 0x01, "Global" },
356 { 0, NULL}
357 };
358
359 static const struct tok rsvp_resstyle_values[] = {
360 { 17, "Wildcard Filter" },
361 { 10, "Fixed Filter" },
362 { 18, "Shared Explicit" },
363 { 0, NULL}
364 };
365
366 #define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2
367 #define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5
368
369 static const struct tok rsvp_intserv_service_type_values[] = {
370 { 1, "Default/Global Information" },
371 { RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" },
372 { RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" },
373 { 0, NULL}
374 };
375
376 static const struct tok rsvp_intserv_parameter_id_values[] = {
377 { 4, "IS hop cnt" },
378 { 6, "Path b/w estimate" },
379 { 8, "Minimum path latency" },
380 { 10, "Composed MTU" },
381 { 127, "Token Bucket TSpec" },
382 { 130, "Guaranteed Service RSpec" },
383 { 133, "End-to-end composed value for C" },
384 { 134, "End-to-end composed value for D" },
385 { 135, "Since-last-reshaping point composed C" },
386 { 136, "Since-last-reshaping point composed D" },
387 { 0, NULL}
388 };
389
390 static const struct tok rsvp_session_attribute_flag_values[] = {
391 { 0x01, "Local Protection" },
392 { 0x02, "Label Recording" },
393 { 0x04, "SE Style" },
394 { 0x08, "Bandwidth protection" }, /* RFC4090 */
395 { 0x10, "Node protection" }, /* RFC4090 */
396 { 0, NULL}
397 };
398
399 static const struct tok rsvp_obj_prop_tlv_values[] = {
400 { 0x01, "Cos" },
401 { 0x02, "Metric 1" },
402 { 0x04, "Metric 2" },
403 { 0x08, "CCC Status" },
404 { 0x10, "Path Type" },
405 { 0, NULL}
406 };
407
408 #define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24
409 #define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY 25
410 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 28
411 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD 125
412
413 static const struct tok rsvp_obj_error_code_values[] = {
414 { RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" },
415 { RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY, "Notify Error" },
416 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE, "Diffserv TE Error" },
417 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD, "Diffserv TE Error (Old)" },
418 { 0, NULL}
419 };
420
421 static const struct tok rsvp_obj_error_code_routing_values[] = {
422 { 1, "Bad EXPLICIT_ROUTE object" },
423 { 2, "Bad strict node" },
424 { 3, "Bad loose node" },
425 { 4, "Bad initial subobject" },
426 { 5, "No route available toward destination" },
427 { 6, "Unacceptable label value" },
428 { 7, "RRO indicated routing loops" },
429 { 8, "non-RSVP-capable router in the path" },
430 { 9, "MPLS label allocation failure" },
431 { 10, "Unsupported L3PID" },
432 { 0, NULL}
433 };
434
435 static const struct tok rsvp_obj_error_code_diffserv_te_values[] = {
436 { 1, "Unexpected CT object" },
437 { 2, "Unsupported CT" },
438 { 3, "Invalid CT value" },
439 { 4, "CT/setup priority do not form a configured TE-Class" },
440 { 5, "CT/holding priority do not form a configured TE-Class" },
441 { 6, "CT/setup priority and CT/holding priority do not form a configured TE-Class" },
442 { 7, "Inconsistency between signaled PSC and signaled CT" },
443 { 8, "Inconsistency between signaled PHBs and signaled CT" },
444 { 0, NULL}
445 };
446
447 /* rfc3473 / rfc 3471 */
448 static const struct tok rsvp_obj_admin_status_flag_values[] = {
449 { 0x80000000, "Reflect" },
450 { 0x00000004, "Testing" },
451 { 0x00000002, "Admin-down" },
452 { 0x00000001, "Delete-in-progress" },
453 { 0, NULL}
454 };
455
456 /* label set actions - rfc3471 */
457 #define LABEL_SET_INCLUSIVE_LIST 0
458 #define LABEL_SET_EXCLUSIVE_LIST 1
459 #define LABEL_SET_INCLUSIVE_RANGE 2
460 #define LABEL_SET_EXCLUSIVE_RANGE 3
461
462 static const struct tok rsvp_obj_label_set_action_values[] = {
463 { LABEL_SET_INCLUSIVE_LIST, "Inclusive list" },
464 { LABEL_SET_EXCLUSIVE_LIST, "Exclusive list" },
465 { LABEL_SET_INCLUSIVE_RANGE, "Inclusive range" },
466 { LABEL_SET_EXCLUSIVE_RANGE, "Exclusive range" },
467 { 0, NULL}
468 };
469
470 /* OIF RSVP extensions UNI 1.0 Signaling, release 2 */
471 #define RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS 1
472 #define RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS 2
473 #define RSVP_GEN_UNI_SUBOBJ_DIVERSITY 3
474 #define RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL 4
475 #define RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL 5
476
477 static const struct tok rsvp_obj_generalized_uni_values[] = {
478 { RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS, "Source TNA address" },
479 { RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS, "Destination TNA address" },
480 { RSVP_GEN_UNI_SUBOBJ_DIVERSITY, "Diversity" },
481 { RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL, "Egress label" },
482 { RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL, "Service level" },
483 { 0, NULL}
484 };
485
486 /*
487 * this is a dissector for all the intserv defined
488 * specs as defined per rfc2215
489 * it is called from various rsvp objects;
490 * returns the amount of bytes being processed
491 */
492 static int
rsvp_intserv_print(netdissect_options * ndo,const u_char * tptr,u_short obj_tlen)493 rsvp_intserv_print(netdissect_options *ndo,
494 const u_char *tptr, u_short obj_tlen)
495 {
496 int parameter_id,parameter_length;
497 union {
498 float f;
499 uint32_t i;
500 } bw;
501
502 if (obj_tlen < 4)
503 return 0;
504 parameter_id = *(tptr);
505 parameter_length = EXTRACT_16BITS(tptr+2)<<2; /* convert wordcount to bytecount */
506
507 ND_PRINT((ndo, "\n\t Parameter ID: %s (%u), length: %u, Flags: [0x%02x]",
508 tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id),
509 parameter_id,
510 parameter_length,
511 *(tptr + 1)));
512
513 if (obj_tlen < parameter_length+4)
514 return 0;
515 switch(parameter_id) { /* parameter_id */
516
517 case 4:
518 /*
519 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
520 * | 4 (e) | (f) | 1 (g) |
521 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
522 * | IS hop cnt (32-bit unsigned integer) |
523 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
524 */
525 if (parameter_length == 4)
526 ND_PRINT((ndo, "\n\t\tIS hop count: %u", EXTRACT_32BITS(tptr + 4)));
527 break;
528
529 case 6:
530 /*
531 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
532 * | 6 (h) | (i) | 1 (j) |
533 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
534 * | Path b/w estimate (32-bit IEEE floating point number) |
535 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
536 */
537 if (parameter_length == 4) {
538 bw.i = EXTRACT_32BITS(tptr+4);
539 ND_PRINT((ndo, "\n\t\tPath b/w estimate: %.10g Mbps", bw.f / 125000));
540 }
541 break;
542
543 case 8:
544 /*
545 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
546 * | 8 (k) | (l) | 1 (m) |
547 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
548 * | Minimum path latency (32-bit integer) |
549 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
550 */
551 if (parameter_length == 4) {
552 ND_PRINT((ndo, "\n\t\tMinimum path latency: "));
553 if (EXTRACT_32BITS(tptr+4) == 0xffffffff)
554 ND_PRINT((ndo, "don't care"));
555 else
556 ND_PRINT((ndo, "%u", EXTRACT_32BITS(tptr + 4)));
557 }
558 break;
559
560 case 10:
561
562 /*
563 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
564 * | 10 (n) | (o) | 1 (p) |
565 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
566 * | Composed MTU (32-bit unsigned integer) |
567 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
568 */
569 if (parameter_length == 4)
570 ND_PRINT((ndo, "\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr + 4)));
571 break;
572 case 127:
573 /*
574 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
575 * | 127 (e) | 0 (f) | 5 (g) |
576 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
577 * | Token Bucket Rate [r] (32-bit IEEE floating point number) |
578 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
579 * | Token Bucket Size [b] (32-bit IEEE floating point number) |
580 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
581 * | Peak Data Rate [p] (32-bit IEEE floating point number) |
582 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
583 * | Minimum Policed Unit [m] (32-bit integer) |
584 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
585 * | Maximum Packet Size [M] (32-bit integer) |
586 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
587 */
588
589 if (parameter_length == 20) {
590 bw.i = EXTRACT_32BITS(tptr+4);
591 ND_PRINT((ndo, "\n\t\tToken Bucket Rate: %.10g Mbps", bw.f / 125000));
592 bw.i = EXTRACT_32BITS(tptr+8);
593 ND_PRINT((ndo, "\n\t\tToken Bucket Size: %.10g bytes", bw.f));
594 bw.i = EXTRACT_32BITS(tptr+12);
595 ND_PRINT((ndo, "\n\t\tPeak Data Rate: %.10g Mbps", bw.f / 125000));
596 ND_PRINT((ndo, "\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr + 16)));
597 ND_PRINT((ndo, "\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr + 20)));
598 }
599 break;
600
601 case 130:
602 /*
603 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
604 * | 130 (h) | 0 (i) | 2 (j) |
605 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
606 * | Rate [R] (32-bit IEEE floating point number) |
607 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
608 * | Slack Term [S] (32-bit integer) |
609 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
610 */
611
612 if (parameter_length == 8) {
613 bw.i = EXTRACT_32BITS(tptr+4);
614 ND_PRINT((ndo, "\n\t\tRate: %.10g Mbps", bw.f / 125000));
615 ND_PRINT((ndo, "\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr + 8)));
616 }
617 break;
618
619 case 133:
620 case 134:
621 case 135:
622 case 136:
623 if (parameter_length == 4)
624 ND_PRINT((ndo, "\n\t\tValue: %u", EXTRACT_32BITS(tptr + 4)));
625 break;
626
627 default:
628 if (ndo->ndo_vflag <= 1)
629 print_unknown_data(ndo, tptr + 4, "\n\t\t", parameter_length);
630 }
631 return (parameter_length+4); /* header length 4 bytes */
632 }
633
634 static int
rsvp_obj_print(netdissect_options * ndo,const u_char * pptr _U_,u_int plen _U_,const u_char * tptr,const char * ident,u_int tlen)635 rsvp_obj_print(netdissect_options *ndo,
636 const u_char *pptr
637 #ifndef HAVE_LIBCRYPTO
638 _U_
639 #endif
640 , u_int plen
641 #ifndef HAVE_LIBCRYPTO
642 _U_
643 #endif
644 , const u_char *tptr,
645 const char *ident, u_int tlen)
646 {
647 const struct rsvp_object_header *rsvp_obj_header;
648 const u_char *obj_tptr;
649 union {
650 const struct rsvp_obj_integrity_t *rsvp_obj_integrity;
651 const struct rsvp_obj_frr_t *rsvp_obj_frr;
652 } obj_ptr;
653
654 u_short rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen;
655 int hexdump,processed,padbytes,error_code,error_value,i,sigcheck;
656 union {
657 float f;
658 uint32_t i;
659 } bw;
660 uint8_t namelen;
661
662 u_int action, subchannel;
663
664 while(tlen>=sizeof(struct rsvp_object_header)) {
665 /* did we capture enough for fully decoding the object header ? */
666 ND_TCHECK2(*tptr, sizeof(struct rsvp_object_header));
667
668 rsvp_obj_header = (const struct rsvp_object_header *)tptr;
669 rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length);
670 rsvp_obj_ctype=rsvp_obj_header->ctype;
671
672 if(rsvp_obj_len % 4) {
673 ND_PRINT((ndo, "%sERROR: object header size %u not a multiple of 4", ident, rsvp_obj_len));
674 return -1;
675 }
676 if(rsvp_obj_len < sizeof(struct rsvp_object_header)) {
677 ND_PRINT((ndo, "%sERROR: object header too short %u < %lu", ident, rsvp_obj_len,
678 (unsigned long)sizeof(const struct rsvp_object_header)));
679 return -1;
680 }
681
682 ND_PRINT((ndo, "%s%s Object (%u) Flags: [%s",
683 ident,
684 tok2str(rsvp_obj_values,
685 "Unknown",
686 rsvp_obj_header->class_num),
687 rsvp_obj_header->class_num,
688 ((rsvp_obj_header->class_num) & 0x80) ? "ignore" : "reject"));
689
690 if (rsvp_obj_header->class_num > 128)
691 ND_PRINT((ndo, " %s",
692 ((rsvp_obj_header->class_num) & 0x40) ? "and forward" : "silently"));
693
694 ND_PRINT((ndo, " if unknown], Class-Type: %s (%u), length: %u",
695 tok2str(rsvp_ctype_values,
696 "Unknown",
697 ((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype),
698 rsvp_obj_ctype,
699 rsvp_obj_len));
700
701 if(tlen < rsvp_obj_len) {
702 ND_PRINT((ndo, "%sERROR: object goes past end of objects TLV", ident));
703 return -1;
704 }
705
706 obj_tptr=tptr+sizeof(struct rsvp_object_header);
707 obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
708
709 /* did we capture enough for fully decoding the object ? */
710 if (!ND_TTEST2(*tptr, rsvp_obj_len))
711 return -1;
712 hexdump=FALSE;
713
714 switch(rsvp_obj_header->class_num) {
715 case RSVP_OBJ_SESSION:
716 switch(rsvp_obj_ctype) {
717 case RSVP_CTYPE_IPV4:
718 if (obj_tlen < 8)
719 return -1;
720 ND_PRINT((ndo, "%s IPv4 DestAddress: %s, Protocol ID: 0x%02x",
721 ident,
722 ipaddr_string(ndo, obj_tptr),
723 *(obj_tptr + sizeof(struct in_addr))));
724 ND_PRINT((ndo, "%s Flags: [0x%02x], DestPort %u",
725 ident,
726 *(obj_tptr+5),
727 EXTRACT_16BITS(obj_tptr + 6)));
728 obj_tlen-=8;
729 obj_tptr+=8;
730 break;
731 #ifdef INET6
732 case RSVP_CTYPE_IPV6:
733 if (obj_tlen < 20)
734 return -1;
735 ND_PRINT((ndo, "%s IPv6 DestAddress: %s, Protocol ID: 0x%02x",
736 ident,
737 ip6addr_string(ndo, obj_tptr),
738 *(obj_tptr + sizeof(struct in6_addr))));
739 ND_PRINT((ndo, "%s Flags: [0x%02x], DestPort %u",
740 ident,
741 *(obj_tptr+sizeof(struct in6_addr)+1),
742 EXTRACT_16BITS(obj_tptr + sizeof(struct in6_addr) + 2)));
743 obj_tlen-=20;
744 obj_tptr+=20;
745 break;
746
747 case RSVP_CTYPE_TUNNEL_IPV6:
748 if (obj_tlen < 36)
749 return -1;
750 ND_PRINT((ndo, "%s IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
751 ident,
752 ip6addr_string(ndo, obj_tptr),
753 EXTRACT_16BITS(obj_tptr+18),
754 ip6addr_string(ndo, obj_tptr + 20)));
755 obj_tlen-=36;
756 obj_tptr+=36;
757 break;
758
759 case RSVP_CTYPE_14: /* IPv6 p2mp LSP Tunnel */
760 if (obj_tlen < 26)
761 return -1;
762 ND_PRINT((ndo, "%s IPv6 P2MP LSP ID: 0x%08x, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
763 ident,
764 EXTRACT_32BITS(obj_tptr),
765 EXTRACT_16BITS(obj_tptr+6),
766 ip6addr_string(ndo, obj_tptr + 8)));
767 obj_tlen-=26;
768 obj_tptr+=26;
769 break;
770 #endif
771 case RSVP_CTYPE_13: /* IPv4 p2mp LSP Tunnel */
772 if (obj_tlen < 12)
773 return -1;
774 ND_PRINT((ndo, "%s IPv4 P2MP LSP ID: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
775 ident,
776 ipaddr_string(ndo, obj_tptr),
777 EXTRACT_16BITS(obj_tptr+6),
778 ipaddr_string(ndo, obj_tptr + 8)));
779 obj_tlen-=12;
780 obj_tptr+=12;
781 break;
782 case RSVP_CTYPE_TUNNEL_IPV4:
783 case RSVP_CTYPE_UNI_IPV4:
784 if (obj_tlen < 12)
785 return -1;
786 ND_PRINT((ndo, "%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
787 ident,
788 ipaddr_string(ndo, obj_tptr),
789 EXTRACT_16BITS(obj_tptr+6),
790 ipaddr_string(ndo, obj_tptr + 8)));
791 obj_tlen-=12;
792 obj_tptr+=12;
793 break;
794 default:
795 hexdump=TRUE;
796 }
797 break;
798
799 case RSVP_OBJ_CONFIRM:
800 switch(rsvp_obj_ctype) {
801 case RSVP_CTYPE_IPV4:
802 if (obj_tlen < sizeof(struct in_addr))
803 return -1;
804 ND_PRINT((ndo, "%s IPv4 Receiver Address: %s",
805 ident,
806 ipaddr_string(ndo, obj_tptr)));
807 obj_tlen-=sizeof(struct in_addr);
808 obj_tptr+=sizeof(struct in_addr);
809 break;
810 #ifdef INET6
811 case RSVP_CTYPE_IPV6:
812 if (obj_tlen < sizeof(struct in6_addr))
813 return -1;
814 ND_PRINT((ndo, "%s IPv6 Receiver Address: %s",
815 ident,
816 ip6addr_string(ndo, obj_tptr)));
817 obj_tlen-=sizeof(struct in6_addr);
818 obj_tptr+=sizeof(struct in6_addr);
819 break;
820 #endif
821 default:
822 hexdump=TRUE;
823 }
824 break;
825
826 case RSVP_OBJ_NOTIFY_REQ:
827 switch(rsvp_obj_ctype) {
828 case RSVP_CTYPE_IPV4:
829 if (obj_tlen < sizeof(struct in_addr))
830 return -1;
831 ND_PRINT((ndo, "%s IPv4 Notify Node Address: %s",
832 ident,
833 ipaddr_string(ndo, obj_tptr)));
834 obj_tlen-=sizeof(struct in_addr);
835 obj_tptr+=sizeof(struct in_addr);
836 break;
837 #ifdef INET6
838 case RSVP_CTYPE_IPV6:
839 if (obj_tlen < sizeof(struct in6_addr))
840 return-1;
841 ND_PRINT((ndo, "%s IPv6 Notify Node Address: %s",
842 ident,
843 ip6addr_string(ndo, obj_tptr)));
844 obj_tlen-=sizeof(struct in6_addr);
845 obj_tptr+=sizeof(struct in6_addr);
846 break;
847 #endif
848 default:
849 hexdump=TRUE;
850 }
851 break;
852
853 case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
854 case RSVP_OBJ_UPSTREAM_LABEL: /* fall through */
855 case RSVP_OBJ_RECOVERY_LABEL: /* fall through */
856 case RSVP_OBJ_LABEL:
857 switch(rsvp_obj_ctype) {
858 case RSVP_CTYPE_1:
859 while(obj_tlen >= 4 ) {
860 ND_PRINT((ndo, "%s Label: %u", ident, EXTRACT_32BITS(obj_tptr)));
861 obj_tlen-=4;
862 obj_tptr+=4;
863 }
864 break;
865 case RSVP_CTYPE_2:
866 if (obj_tlen < 4)
867 return-1;
868 ND_PRINT((ndo, "%s Generalized Label: %u",
869 ident,
870 EXTRACT_32BITS(obj_tptr)));
871 obj_tlen-=4;
872 obj_tptr+=4;
873 break;
874 case RSVP_CTYPE_3:
875 if (obj_tlen < 12)
876 return-1;
877 ND_PRINT((ndo, "%s Waveband ID: %u%s Start Label: %u, Stop Label: %u",
878 ident,
879 EXTRACT_32BITS(obj_tptr),
880 ident,
881 EXTRACT_32BITS(obj_tptr+4),
882 EXTRACT_32BITS(obj_tptr + 8)));
883 obj_tlen-=12;
884 obj_tptr+=12;
885 break;
886 default:
887 hexdump=TRUE;
888 }
889 break;
890
891 case RSVP_OBJ_STYLE:
892 switch(rsvp_obj_ctype) {
893 case RSVP_CTYPE_1:
894 if (obj_tlen < 4)
895 return-1;
896 ND_PRINT((ndo, "%s Reservation Style: %s, Flags: [0x%02x]",
897 ident,
898 tok2str(rsvp_resstyle_values,
899 "Unknown",
900 EXTRACT_24BITS(obj_tptr+1)),
901 *(obj_tptr)));
902 obj_tlen-=4;
903 obj_tptr+=4;
904 break;
905 default:
906 hexdump=TRUE;
907 }
908 break;
909
910 case RSVP_OBJ_SENDER_TEMPLATE:
911 switch(rsvp_obj_ctype) {
912 case RSVP_CTYPE_IPV4:
913 if (obj_tlen < 8)
914 return-1;
915 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
916 ident,
917 ipaddr_string(ndo, obj_tptr),
918 EXTRACT_16BITS(obj_tptr + 6)));
919 obj_tlen-=8;
920 obj_tptr+=8;
921 break;
922 #ifdef INET6
923 case RSVP_CTYPE_IPV6:
924 if (obj_tlen < 20)
925 return-1;
926 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
927 ident,
928 ip6addr_string(ndo, obj_tptr),
929 EXTRACT_16BITS(obj_tptr + 18)));
930 obj_tlen-=20;
931 obj_tptr+=20;
932 break;
933 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
934 if (obj_tlen < 40)
935 return-1;
936 ND_PRINT((ndo, "%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
937 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
938 ident,
939 ip6addr_string(ndo, obj_tptr),
940 EXTRACT_16BITS(obj_tptr+18),
941 ident,
942 ip6addr_string(ndo, obj_tptr+20),
943 EXTRACT_16BITS(obj_tptr + 38)));
944 obj_tlen-=40;
945 obj_tptr+=40;
946 break;
947 #endif
948 case RSVP_CTYPE_TUNNEL_IPV4:
949 if (obj_tlen < 8)
950 return-1;
951 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
952 ident,
953 ipaddr_string(ndo, obj_tptr),
954 EXTRACT_16BITS(obj_tptr + 6)));
955 obj_tlen-=8;
956 obj_tptr+=8;
957 break;
958 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
959 if (obj_tlen < 16)
960 return-1;
961 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
962 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
963 ident,
964 ipaddr_string(ndo, obj_tptr),
965 EXTRACT_16BITS(obj_tptr+6),
966 ident,
967 ipaddr_string(ndo, obj_tptr+8),
968 EXTRACT_16BITS(obj_tptr + 12)));
969 obj_tlen-=16;
970 obj_tptr+=16;
971 break;
972 default:
973 hexdump=TRUE;
974 }
975 break;
976
977 case RSVP_OBJ_LABEL_REQ:
978 switch(rsvp_obj_ctype) {
979 case RSVP_CTYPE_1:
980 while(obj_tlen >= 4 ) {
981 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
982 ident,
983 tok2str(ethertype_values,
984 "Unknown Protocol (0x%04x)",
985 EXTRACT_16BITS(obj_tptr + 2))));
986 obj_tlen-=4;
987 obj_tptr+=4;
988 }
989 break;
990 case RSVP_CTYPE_2:
991 if (obj_tlen < 12)
992 return-1;
993 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
994 ident,
995 tok2str(ethertype_values,
996 "Unknown Protocol (0x%04x)",
997 EXTRACT_16BITS(obj_tptr + 2))));
998 ND_PRINT((ndo, ",%s merge capability",((*(obj_tptr + 4)) & 0x80) ? "no" : "" ));
999 ND_PRINT((ndo, "%s Minimum VPI/VCI: %u/%u",
1000 ident,
1001 (EXTRACT_16BITS(obj_tptr+4))&0xfff,
1002 (EXTRACT_16BITS(obj_tptr + 6)) & 0xfff));
1003 ND_PRINT((ndo, "%s Maximum VPI/VCI: %u/%u",
1004 ident,
1005 (EXTRACT_16BITS(obj_tptr+8))&0xfff,
1006 (EXTRACT_16BITS(obj_tptr + 10)) & 0xfff));
1007 obj_tlen-=12;
1008 obj_tptr+=12;
1009 break;
1010 case RSVP_CTYPE_3:
1011 if (obj_tlen < 12)
1012 return-1;
1013 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
1014 ident,
1015 tok2str(ethertype_values,
1016 "Unknown Protocol (0x%04x)",
1017 EXTRACT_16BITS(obj_tptr + 2))));
1018 ND_PRINT((ndo, "%s Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI",
1019 ident,
1020 (EXTRACT_32BITS(obj_tptr+4))&0x7fffff,
1021 (EXTRACT_32BITS(obj_tptr+8))&0x7fffff,
1022 (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "",
1023 (((EXTRACT_16BITS(obj_tptr + 4) >> 7) & 3) == 2 ) ? "23" : ""));
1024 obj_tlen-=12;
1025 obj_tptr+=12;
1026 break;
1027 case RSVP_CTYPE_4:
1028 if (obj_tlen < 4)
1029 return-1;
1030 ND_PRINT((ndo, "%s LSP Encoding Type: %s (%u)",
1031 ident,
1032 tok2str(gmpls_encoding_values,
1033 "Unknown",
1034 *obj_tptr),
1035 *obj_tptr));
1036 ND_PRINT((ndo, "%s Switching Type: %s (%u), Payload ID: %s (0x%04x)",
1037 ident,
1038 tok2str(gmpls_switch_cap_values,
1039 "Unknown",
1040 *(obj_tptr+1)),
1041 *(obj_tptr+1),
1042 tok2str(gmpls_payload_values,
1043 "Unknown",
1044 EXTRACT_16BITS(obj_tptr+2)),
1045 EXTRACT_16BITS(obj_tptr + 2)));
1046 obj_tlen-=4;
1047 obj_tptr+=4;
1048 break;
1049 default:
1050 hexdump=TRUE;
1051 }
1052 break;
1053
1054 case RSVP_OBJ_RRO:
1055 case RSVP_OBJ_ERO:
1056 switch(rsvp_obj_ctype) {
1057 case RSVP_CTYPE_IPV4:
1058 while(obj_tlen >= 4 ) {
1059 ND_PRINT((ndo, "%s Subobject Type: %s, length %u",
1060 ident,
1061 tok2str(rsvp_obj_xro_values,
1062 "Unknown %u",
1063 RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)),
1064 *(obj_tptr + 1)));
1065
1066 if (*(obj_tptr+1) == 0) { /* prevent infinite loops */
1067 ND_PRINT((ndo, "%s ERROR: zero length ERO subtype", ident));
1068 break;
1069 }
1070
1071 switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) {
1072 case RSVP_OBJ_XRO_IPV4:
1073 ND_PRINT((ndo, ", %s, %s/%u, Flags: [%s]",
1074 RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
1075 ipaddr_string(ndo, obj_tptr+2),
1076 *(obj_tptr+6),
1077 bittok2str(rsvp_obj_rro_flag_values,
1078 "none",
1079 *(obj_tptr + 7)))); /* rfc3209 says that this field is rsvd. */
1080 break;
1081 case RSVP_OBJ_XRO_LABEL:
1082 ND_PRINT((ndo, ", Flags: [%s] (%#x), Class-Type: %s (%u), %u",
1083 bittok2str(rsvp_obj_rro_label_flag_values,
1084 "none",
1085 *(obj_tptr+2)),
1086 *(obj_tptr+2),
1087 tok2str(rsvp_ctype_values,
1088 "Unknown",
1089 *(obj_tptr+3) + 256*RSVP_OBJ_RRO),
1090 *(obj_tptr+3),
1091 EXTRACT_32BITS(obj_tptr + 4)));
1092 }
1093 obj_tlen-=*(obj_tptr+1);
1094 obj_tptr+=*(obj_tptr+1);
1095 }
1096 break;
1097 default:
1098 hexdump=TRUE;
1099 }
1100 break;
1101
1102 case RSVP_OBJ_HELLO:
1103 switch(rsvp_obj_ctype) {
1104 case RSVP_CTYPE_1:
1105 case RSVP_CTYPE_2:
1106 if (obj_tlen < 8)
1107 return-1;
1108 ND_PRINT((ndo, "%s Source Instance: 0x%08x, Destination Instance: 0x%08x",
1109 ident,
1110 EXTRACT_32BITS(obj_tptr),
1111 EXTRACT_32BITS(obj_tptr + 4)));
1112 obj_tlen-=8;
1113 obj_tptr+=8;
1114 break;
1115 default:
1116 hexdump=TRUE;
1117 }
1118 break;
1119
1120 case RSVP_OBJ_RESTART_CAPABILITY:
1121 switch(rsvp_obj_ctype) {
1122 case RSVP_CTYPE_1:
1123 if (obj_tlen < 8)
1124 return-1;
1125 ND_PRINT((ndo, "%s Restart Time: %ums, Recovery Time: %ums",
1126 ident,
1127 EXTRACT_32BITS(obj_tptr),
1128 EXTRACT_32BITS(obj_tptr + 4)));
1129 obj_tlen-=8;
1130 obj_tptr+=8;
1131 break;
1132 default:
1133 hexdump=TRUE;
1134 }
1135 break;
1136
1137 case RSVP_OBJ_SESSION_ATTRIBUTE:
1138 switch(rsvp_obj_ctype) {
1139 case RSVP_CTYPE_TUNNEL_IPV4:
1140 if (obj_tlen < 4)
1141 return-1;
1142 namelen = *(obj_tptr+3);
1143 if (obj_tlen < 4+namelen)
1144 return-1;
1145 ND_PRINT((ndo, "%s Session Name: ", ident));
1146 for (i = 0; i < namelen; i++)
1147 safeputchar(ndo, *(obj_tptr + 4 + i));
1148 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Flags: [%s] (%#x)",
1149 ident,
1150 (int)*obj_tptr,
1151 (int)*(obj_tptr+1),
1152 bittok2str(rsvp_session_attribute_flag_values,
1153 "none",
1154 *(obj_tptr+2)),
1155 *(obj_tptr + 2)));
1156 obj_tlen-=4+*(obj_tptr+3);
1157 obj_tptr+=4+*(obj_tptr+3);
1158 break;
1159 default:
1160 hexdump=TRUE;
1161 }
1162 break;
1163
1164 case RSVP_OBJ_GENERALIZED_UNI:
1165 switch(rsvp_obj_ctype) {
1166 int subobj_type,af,subobj_len,total_subobj_len;
1167
1168 case RSVP_CTYPE_1:
1169
1170 if (obj_tlen < 4)
1171 return-1;
1172
1173 /* read variable length subobjects */
1174 total_subobj_len = obj_tlen;
1175 while(total_subobj_len > 0) {
1176 subobj_len = EXTRACT_16BITS(obj_tptr);
1177 subobj_type = (EXTRACT_16BITS(obj_tptr+2))>>8;
1178 af = (EXTRACT_16BITS(obj_tptr+2))&0x00FF;
1179
1180 ND_PRINT((ndo, "%s Subobject Type: %s (%u), AF: %s (%u), length: %u",
1181 ident,
1182 tok2str(rsvp_obj_generalized_uni_values, "Unknown", subobj_type),
1183 subobj_type,
1184 tok2str(af_values, "Unknown", af), af,
1185 subobj_len));
1186
1187 switch(subobj_type) {
1188 case RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS:
1189 case RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS:
1190
1191 switch(af) {
1192 case AFNUM_INET:
1193 if (subobj_len < 8)
1194 return -1;
1195 ND_PRINT((ndo, "%s UNI IPv4 TNA address: %s",
1196 ident, ipaddr_string(ndo, obj_tptr + 4)));
1197 break;
1198 #ifdef INET6
1199 case AFNUM_INET6:
1200 if (subobj_len < 20)
1201 return -1;
1202 ND_PRINT((ndo, "%s UNI IPv6 TNA address: %s",
1203 ident, ip6addr_string(ndo, obj_tptr + 4)));
1204 break;
1205 #endif
1206 case AFNUM_NSAP:
1207 if (subobj_len) {
1208 /* unless we have a TLV parser lets just hexdump */
1209 hexdump=TRUE;
1210 }
1211 break;
1212 }
1213 break;
1214
1215 case RSVP_GEN_UNI_SUBOBJ_DIVERSITY:
1216 if (subobj_len) {
1217 /* unless we have a TLV parser lets just hexdump */
1218 hexdump=TRUE;
1219 }
1220 break;
1221
1222 case RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL:
1223 if (subobj_len < 16) {
1224 return -1;
1225 }
1226
1227 ND_PRINT((ndo, "%s U-bit: %x, Label type: %u, Logical port id: %u, Label: %u",
1228 ident,
1229 ((EXTRACT_32BITS(obj_tptr+4))>>31),
1230 ((EXTRACT_32BITS(obj_tptr+4))&0xFF),
1231 EXTRACT_32BITS(obj_tptr+8),
1232 EXTRACT_32BITS(obj_tptr + 12)));
1233 break;
1234
1235 case RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL:
1236 if (subobj_len < 8) {
1237 return -1;
1238 }
1239
1240 ND_PRINT((ndo, "%s Service level: %u",
1241 ident, (EXTRACT_32BITS(obj_tptr + 4)) >> 24));
1242 break;
1243
1244 default:
1245 hexdump=TRUE;
1246 break;
1247 }
1248 total_subobj_len-=subobj_len;
1249 obj_tptr+=subobj_len;
1250 obj_tlen+=subobj_len;
1251 }
1252
1253 if (total_subobj_len) {
1254 /* unless we have a TLV parser lets just hexdump */
1255 hexdump=TRUE;
1256 }
1257 break;
1258
1259 default:
1260 hexdump=TRUE;
1261 }
1262 break;
1263
1264 case RSVP_OBJ_RSVP_HOP:
1265 switch(rsvp_obj_ctype) {
1266 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1267 case RSVP_CTYPE_IPV4:
1268 if (obj_tlen < 8)
1269 return-1;
1270 ND_PRINT((ndo, "%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1271 ident,
1272 ipaddr_string(ndo, obj_tptr),
1273 EXTRACT_32BITS(obj_tptr + 4)));
1274 obj_tlen-=8;
1275 obj_tptr+=8;
1276 if (obj_tlen)
1277 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1278 break;
1279 #ifdef INET6
1280 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1281 case RSVP_CTYPE_IPV6:
1282 if (obj_tlen < 20)
1283 return-1;
1284 ND_PRINT((ndo, "%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1285 ident,
1286 ip6addr_string(ndo, obj_tptr),
1287 EXTRACT_32BITS(obj_tptr + 16)));
1288 obj_tlen-=20;
1289 obj_tptr+=20;
1290 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1291 break;
1292 #endif
1293 default:
1294 hexdump=TRUE;
1295 }
1296 break;
1297
1298 case RSVP_OBJ_TIME_VALUES:
1299 switch(rsvp_obj_ctype) {
1300 case RSVP_CTYPE_1:
1301 if (obj_tlen < 4)
1302 return-1;
1303 ND_PRINT((ndo, "%s Refresh Period: %ums",
1304 ident,
1305 EXTRACT_32BITS(obj_tptr)));
1306 obj_tlen-=4;
1307 obj_tptr+=4;
1308 break;
1309 default:
1310 hexdump=TRUE;
1311 }
1312 break;
1313
1314 /* those three objects do share the same semantics */
1315 case RSVP_OBJ_SENDER_TSPEC:
1316 case RSVP_OBJ_ADSPEC:
1317 case RSVP_OBJ_FLOWSPEC:
1318 switch(rsvp_obj_ctype) {
1319 case RSVP_CTYPE_2:
1320 if (obj_tlen < 4)
1321 return-1;
1322 ND_PRINT((ndo, "%s Msg-Version: %u, length: %u",
1323 ident,
1324 (*obj_tptr & 0xf0) >> 4,
1325 EXTRACT_16BITS(obj_tptr + 2) << 2));
1326 obj_tptr+=4; /* get to the start of the service header */
1327 obj_tlen-=4;
1328
1329 while (obj_tlen >= 4) {
1330 intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
1331 ND_PRINT((ndo, "%s Service Type: %s (%u), break bit %s set, Service length: %u",
1332 ident,
1333 tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)),
1334 *(obj_tptr),
1335 (*(obj_tptr+1)&0x80) ? "" : "not",
1336 intserv_serv_tlen));
1337
1338 obj_tptr+=4; /* get to the start of the parameter list */
1339 obj_tlen-=4;
1340
1341 while (intserv_serv_tlen>=4) {
1342 processed = rsvp_intserv_print(ndo, obj_tptr, obj_tlen);
1343 if (processed == 0)
1344 break;
1345 obj_tlen-=processed;
1346 intserv_serv_tlen-=processed;
1347 obj_tptr+=processed;
1348 }
1349 }
1350 break;
1351 default:
1352 hexdump=TRUE;
1353 }
1354 break;
1355
1356 case RSVP_OBJ_FILTERSPEC:
1357 switch(rsvp_obj_ctype) {
1358 case RSVP_CTYPE_IPV4:
1359 if (obj_tlen < 8)
1360 return-1;
1361 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
1362 ident,
1363 ipaddr_string(ndo, obj_tptr),
1364 EXTRACT_16BITS(obj_tptr + 6)));
1365 obj_tlen-=8;
1366 obj_tptr+=8;
1367 break;
1368 #ifdef INET6
1369 case RSVP_CTYPE_IPV6:
1370 if (obj_tlen < 20)
1371 return-1;
1372 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
1373 ident,
1374 ip6addr_string(ndo, obj_tptr),
1375 EXTRACT_16BITS(obj_tptr + 18)));
1376 obj_tlen-=20;
1377 obj_tptr+=20;
1378 break;
1379 case RSVP_CTYPE_3:
1380 if (obj_tlen < 20)
1381 return-1;
1382 ND_PRINT((ndo, "%s Source Address: %s, Flow Label: %u",
1383 ident,
1384 ip6addr_string(ndo, obj_tptr),
1385 EXTRACT_24BITS(obj_tptr + 17)));
1386 obj_tlen-=20;
1387 obj_tptr+=20;
1388 break;
1389 case RSVP_CTYPE_TUNNEL_IPV6:
1390 if (obj_tlen < 20)
1391 return-1;
1392 ND_PRINT((ndo, "%s Source Address: %s, LSP-ID: 0x%04x",
1393 ident,
1394 ipaddr_string(ndo, obj_tptr),
1395 EXTRACT_16BITS(obj_tptr + 18)));
1396 obj_tlen-=20;
1397 obj_tptr+=20;
1398 break;
1399 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
1400 if (obj_tlen < 40)
1401 return-1;
1402 ND_PRINT((ndo, "%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
1403 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
1404 ident,
1405 ip6addr_string(ndo, obj_tptr),
1406 EXTRACT_16BITS(obj_tptr+18),
1407 ident,
1408 ip6addr_string(ndo, obj_tptr+20),
1409 EXTRACT_16BITS(obj_tptr + 38)));
1410 obj_tlen-=40;
1411 obj_tptr+=40;
1412 break;
1413 #endif
1414 case RSVP_CTYPE_TUNNEL_IPV4:
1415 if (obj_tlen < 8)
1416 return-1;
1417 ND_PRINT((ndo, "%s Source Address: %s, LSP-ID: 0x%04x",
1418 ident,
1419 ipaddr_string(ndo, obj_tptr),
1420 EXTRACT_16BITS(obj_tptr + 6)));
1421 obj_tlen-=8;
1422 obj_tptr+=8;
1423 break;
1424 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
1425 if (obj_tlen < 16)
1426 return-1;
1427 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
1428 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
1429 ident,
1430 ipaddr_string(ndo, obj_tptr),
1431 EXTRACT_16BITS(obj_tptr+6),
1432 ident,
1433 ipaddr_string(ndo, obj_tptr+8),
1434 EXTRACT_16BITS(obj_tptr + 12)));
1435 obj_tlen-=16;
1436 obj_tptr+=16;
1437 break;
1438 default:
1439 hexdump=TRUE;
1440 }
1441 break;
1442
1443 case RSVP_OBJ_FASTREROUTE:
1444 /* the differences between c-type 1 and 7 are minor */
1445 obj_ptr.rsvp_obj_frr = (const struct rsvp_obj_frr_t *)obj_tptr;
1446 bw.i = EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->bandwidth);
1447
1448 switch(rsvp_obj_ctype) {
1449 case RSVP_CTYPE_1: /* new style */
1450 if (obj_tlen < sizeof(struct rsvp_obj_frr_t))
1451 return-1;
1452 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1453 ident,
1454 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1455 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1456 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1457 bw.f * 8 / 1000000));
1458 ND_PRINT((ndo, "%s Include-any: 0x%08x, Exclude-any: 0x%08x, Include-all: 0x%08x",
1459 ident,
1460 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1461 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any),
1462 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_all)));
1463 obj_tlen-=sizeof(struct rsvp_obj_frr_t);
1464 obj_tptr+=sizeof(struct rsvp_obj_frr_t);
1465 break;
1466
1467 case RSVP_CTYPE_TUNNEL_IPV4: /* old style */
1468 if (obj_tlen < 16)
1469 return-1;
1470 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1471 ident,
1472 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1473 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1474 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1475 bw.f * 8 / 1000000));
1476 ND_PRINT((ndo, "%s Include Colors: 0x%08x, Exclude Colors: 0x%08x",
1477 ident,
1478 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1479 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any)));
1480 obj_tlen-=16;
1481 obj_tptr+=16;
1482 break;
1483
1484 default:
1485 hexdump=TRUE;
1486 }
1487 break;
1488
1489 case RSVP_OBJ_DETOUR:
1490 switch(rsvp_obj_ctype) {
1491 case RSVP_CTYPE_TUNNEL_IPV4:
1492 while(obj_tlen >= 8) {
1493 ND_PRINT((ndo, "%s PLR-ID: %s, Avoid-Node-ID: %s",
1494 ident,
1495 ipaddr_string(ndo, obj_tptr),
1496 ipaddr_string(ndo, obj_tptr + 4)));
1497 obj_tlen-=8;
1498 obj_tptr+=8;
1499 }
1500 break;
1501 default:
1502 hexdump=TRUE;
1503 }
1504 break;
1505
1506 case RSVP_OBJ_CLASSTYPE:
1507 case RSVP_OBJ_CLASSTYPE_OLD: /* fall through */
1508 switch(rsvp_obj_ctype) {
1509 case RSVP_CTYPE_1:
1510 ND_PRINT((ndo, "%s CT: %u",
1511 ident,
1512 EXTRACT_32BITS(obj_tptr) & 0x7));
1513 obj_tlen-=4;
1514 obj_tptr+=4;
1515 break;
1516 default:
1517 hexdump=TRUE;
1518 }
1519 break;
1520
1521 case RSVP_OBJ_ERROR_SPEC:
1522 switch(rsvp_obj_ctype) {
1523 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1524 case RSVP_CTYPE_IPV4:
1525 if (obj_tlen < 8)
1526 return-1;
1527 error_code=*(obj_tptr+5);
1528 error_value=EXTRACT_16BITS(obj_tptr+6);
1529 ND_PRINT((ndo, "%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1530 ident,
1531 ipaddr_string(ndo, obj_tptr),
1532 *(obj_tptr+4),
1533 ident,
1534 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1535 error_code));
1536 switch (error_code) {
1537 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1538 ND_PRINT((ndo, ", Error Value: %s (%u)",
1539 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1540 error_value));
1541 break;
1542 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE: /* fall through */
1543 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD:
1544 ND_PRINT((ndo, ", Error Value: %s (%u)",
1545 tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value),
1546 error_value));
1547 break;
1548 default:
1549 ND_PRINT((ndo, ", Unknown Error Value (%u)", error_value));
1550 break;
1551 }
1552 obj_tlen-=8;
1553 obj_tptr+=8;
1554 break;
1555 #ifdef INET6
1556 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1557 case RSVP_CTYPE_IPV6:
1558 if (obj_tlen < 20)
1559 return-1;
1560 error_code=*(obj_tptr+17);
1561 error_value=EXTRACT_16BITS(obj_tptr+18);
1562 ND_PRINT((ndo, "%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1563 ident,
1564 ip6addr_string(ndo, obj_tptr),
1565 *(obj_tptr+16),
1566 ident,
1567 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1568 error_code));
1569
1570 switch (error_code) {
1571 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1572 ND_PRINT((ndo, ", Error Value: %s (%u)",
1573 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1574 error_value));
1575 break;
1576 default:
1577 break;
1578 }
1579 obj_tlen-=20;
1580 obj_tptr+=20;
1581 break;
1582 #endif
1583 default:
1584 hexdump=TRUE;
1585 }
1586 break;
1587
1588 case RSVP_OBJ_PROPERTIES:
1589 switch(rsvp_obj_ctype) {
1590 case RSVP_CTYPE_1:
1591 if (obj_tlen < 4)
1592 return-1;
1593 padbytes = EXTRACT_16BITS(obj_tptr+2);
1594 ND_PRINT((ndo, "%s TLV count: %u, padding bytes: %u",
1595 ident,
1596 EXTRACT_16BITS(obj_tptr),
1597 padbytes));
1598 obj_tlen-=4;
1599 obj_tptr+=4;
1600 /* loop through as long there is anything longer than the TLV header (2) */
1601 while(obj_tlen >= 2 + padbytes) {
1602 ND_PRINT((ndo, "%s %s TLV (0x%02x), length: %u", /* length includes header */
1603 ident,
1604 tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
1605 *obj_tptr,
1606 *(obj_tptr + 1)));
1607 if (obj_tlen < *(obj_tptr+1))
1608 return-1;
1609 if (*(obj_tptr+1) < 2)
1610 return -1;
1611 print_unknown_data(ndo, obj_tptr + 2, "\n\t\t", *(obj_tptr + 1) - 2);
1612 obj_tlen-=*(obj_tptr+1);
1613 obj_tptr+=*(obj_tptr+1);
1614 }
1615 break;
1616 default:
1617 hexdump=TRUE;
1618 }
1619 break;
1620
1621 case RSVP_OBJ_MESSAGE_ID: /* fall through */
1622 case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */
1623 case RSVP_OBJ_MESSAGE_ID_LIST:
1624 switch(rsvp_obj_ctype) {
1625 case RSVP_CTYPE_1:
1626 case RSVP_CTYPE_2:
1627 if (obj_tlen < 8)
1628 return-1;
1629 ND_PRINT((ndo, "%s Flags [0x%02x], epoch: %u",
1630 ident,
1631 *obj_tptr,
1632 EXTRACT_24BITS(obj_tptr + 1)));
1633 obj_tlen-=4;
1634 obj_tptr+=4;
1635 /* loop through as long there are no messages left */
1636 while(obj_tlen >= 4) {
1637 ND_PRINT((ndo, "%s Message-ID 0x%08x (%u)",
1638 ident,
1639 EXTRACT_32BITS(obj_tptr),
1640 EXTRACT_32BITS(obj_tptr)));
1641 obj_tlen-=4;
1642 obj_tptr+=4;
1643 }
1644 break;
1645 default:
1646 hexdump=TRUE;
1647 }
1648 break;
1649
1650 case RSVP_OBJ_INTEGRITY:
1651 switch(rsvp_obj_ctype) {
1652 case RSVP_CTYPE_1:
1653 if (obj_tlen < sizeof(struct rsvp_obj_integrity_t))
1654 return-1;
1655 obj_ptr.rsvp_obj_integrity = (const struct rsvp_obj_integrity_t *)obj_tptr;
1656 ND_PRINT((ndo, "%s Key-ID 0x%04x%08x, Sequence 0x%08x%08x, Flags [%s]",
1657 ident,
1658 EXTRACT_16BITS(obj_ptr.rsvp_obj_integrity->key_id),
1659 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->key_id+2),
1660 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence),
1661 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence+4),
1662 bittok2str(rsvp_obj_integrity_flag_values,
1663 "none",
1664 obj_ptr.rsvp_obj_integrity->flags)));
1665 ND_PRINT((ndo, "%s MD5-sum 0x%08x%08x%08x%08x ",
1666 ident,
1667 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest),
1668 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+4),
1669 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+8),
1670 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest + 12)));
1671
1672 #ifdef HAVE_LIBCRYPTO
1673 sigcheck = signature_verify(ndo, pptr, plen, (unsigned char *)obj_ptr.\
1674 rsvp_obj_integrity->digest);
1675 #else
1676 sigcheck = CANT_CHECK_SIGNATURE;
1677 #endif
1678 ND_PRINT((ndo, " (%s)", tok2str(signature_check_values, "Unknown", sigcheck)));
1679
1680 obj_tlen+=sizeof(struct rsvp_obj_integrity_t);
1681 obj_tptr+=sizeof(struct rsvp_obj_integrity_t);
1682 break;
1683 default:
1684 hexdump=TRUE;
1685 }
1686 break;
1687
1688 case RSVP_OBJ_ADMIN_STATUS:
1689 switch(rsvp_obj_ctype) {
1690 case RSVP_CTYPE_1:
1691 if (obj_tlen < 4)
1692 return-1;
1693 ND_PRINT((ndo, "%s Flags [%s]", ident,
1694 bittok2str(rsvp_obj_admin_status_flag_values, "none",
1695 EXTRACT_32BITS(obj_tptr))));
1696 obj_tlen-=4;
1697 obj_tptr+=4;
1698 break;
1699 default:
1700 hexdump=TRUE;
1701 }
1702 break;
1703
1704 case RSVP_OBJ_LABEL_SET:
1705 switch(rsvp_obj_ctype) {
1706 case RSVP_CTYPE_1:
1707 if (obj_tlen < 4)
1708 return-1;
1709 action = (EXTRACT_16BITS(obj_tptr)>>8);
1710
1711 ND_PRINT((ndo, "%s Action: %s (%u), Label type: %u", ident,
1712 tok2str(rsvp_obj_label_set_action_values, "Unknown", action),
1713 action, ((EXTRACT_32BITS(obj_tptr) & 0x7F))));
1714
1715 switch (action) {
1716 case LABEL_SET_INCLUSIVE_RANGE:
1717 case LABEL_SET_EXCLUSIVE_RANGE: /* fall through */
1718
1719 /* only a couple of subchannels are expected */
1720 if (obj_tlen < 12)
1721 return -1;
1722 ND_PRINT((ndo, "%s Start range: %u, End range: %u", ident,
1723 EXTRACT_32BITS(obj_tptr+4),
1724 EXTRACT_32BITS(obj_tptr + 8)));
1725 obj_tlen-=12;
1726 obj_tptr+=12;
1727 break;
1728
1729 default:
1730 obj_tlen-=4;
1731 obj_tptr+=4;
1732 subchannel = 1;
1733 while(obj_tlen >= 4 ) {
1734 ND_PRINT((ndo, "%s Subchannel #%u: %u", ident, subchannel,
1735 EXTRACT_32BITS(obj_tptr)));
1736 obj_tptr+=4;
1737 obj_tlen-=4;
1738 subchannel++;
1739 }
1740 break;
1741 }
1742 break;
1743 default:
1744 hexdump=TRUE;
1745 }
1746
1747 case RSVP_OBJ_S2L:
1748 switch (rsvp_obj_ctype) {
1749 case RSVP_CTYPE_IPV4:
1750 if (obj_tlen < 4)
1751 return-1;
1752 ND_PRINT((ndo, "%s Sub-LSP destination address: %s",
1753 ident, ipaddr_string(ndo, obj_tptr)));
1754
1755 obj_tlen-=4;
1756 obj_tptr+=4;
1757 break;
1758 #ifdef INET6
1759 case RSVP_CTYPE_IPV6:
1760 if (obj_tlen < 16)
1761 return-1;
1762 ND_PRINT((ndo, "%s Sub-LSP destination address: %s",
1763 ident, ip6addr_string(ndo, obj_tptr)));
1764
1765 obj_tlen-=16;
1766 obj_tptr+=16;
1767 break;
1768 #endif
1769 default:
1770 hexdump=TRUE;
1771 }
1772
1773 /*
1774 * FIXME those are the defined objects that lack a decoder
1775 * you are welcome to contribute code ;-)
1776 */
1777
1778 case RSVP_OBJ_SCOPE:
1779 case RSVP_OBJ_POLICY_DATA:
1780 case RSVP_OBJ_ACCEPT_LABEL_SET:
1781 case RSVP_OBJ_PROTECTION:
1782 default:
1783 if (ndo->ndo_vflag <= 1)
1784 print_unknown_data(ndo, obj_tptr, "\n\t ", obj_tlen); /* FIXME indentation */
1785 break;
1786 }
1787 /* do we also want to see a hex dump ? */
1788 if (ndo->ndo_vflag > 1 || hexdump == TRUE)
1789 print_unknown_data(ndo, tptr + sizeof(struct rsvp_object_header), "\n\t ", /* FIXME indentation */
1790 rsvp_obj_len - sizeof(struct rsvp_object_header));
1791
1792 tptr+=rsvp_obj_len;
1793 tlen-=rsvp_obj_len;
1794 }
1795 return 0;
1796 trunc:
1797 ND_PRINT((ndo, "\n\t\t packet exceeded snapshot"));
1798 return -1;
1799 }
1800
1801 void
rsvp_print(netdissect_options * ndo,register const u_char * pptr,register u_int len)1802 rsvp_print(netdissect_options *ndo,
1803 register const u_char *pptr, register u_int len)
1804 {
1805 struct rsvp_common_header *rsvp_com_header;
1806 const u_char *tptr,*subtptr;
1807 u_short plen, tlen, subtlen;
1808
1809 tptr=pptr;
1810
1811 rsvp_com_header = (struct rsvp_common_header *)pptr;
1812 ND_TCHECK(*rsvp_com_header);
1813
1814 /*
1815 * Sanity checking of the header.
1816 */
1817 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1818 ND_PRINT((ndo, "ERROR: RSVP version %u packet not supported",
1819 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)));
1820 return;
1821 }
1822
1823 /* in non-verbose mode just lets print the basic Message Type*/
1824 if (ndo->ndo_vflag < 1) {
1825 ND_PRINT((ndo, "RSVPv%u %s Message, length: %u",
1826 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1827 tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
1828 len));
1829 return;
1830 }
1831
1832 /* ok they seem to want to know everything - lets fully decode it */
1833
1834 plen = tlen = EXTRACT_16BITS(rsvp_com_header->length);
1835
1836 ND_PRINT((ndo, "\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1837 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1838 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1839 rsvp_com_header->msg_type,
1840 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1841 tlen,
1842 rsvp_com_header->ttl,
1843 EXTRACT_16BITS(rsvp_com_header->checksum)));
1844
1845 /*
1846 * Clear checksum prior to signature verification.
1847 */
1848 rsvp_com_header->checksum[0] = 0;
1849 rsvp_com_header->checksum[1] = 0;
1850
1851 if (tlen < sizeof(const struct rsvp_common_header)) {
1852 ND_PRINT((ndo, "ERROR: common header too short %u < %lu", tlen,
1853 (unsigned long)sizeof(const struct rsvp_common_header)));
1854 return;
1855 }
1856
1857 tptr+=sizeof(const struct rsvp_common_header);
1858 tlen-=sizeof(const struct rsvp_common_header);
1859
1860 switch(rsvp_com_header->msg_type) {
1861
1862 case RSVP_MSGTYPE_AGGREGATE:
1863 while(tlen > 0) {
1864 subtptr=tptr;
1865 rsvp_com_header = (struct rsvp_common_header *)subtptr;
1866 ND_TCHECK(*rsvp_com_header);
1867
1868 /*
1869 * Sanity checking of the header.
1870 */
1871 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1872 ND_PRINT((ndo, "ERROR: RSVP version %u packet not supported",
1873 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)));
1874 return;
1875 }
1876 subtlen=EXTRACT_16BITS(rsvp_com_header->length);
1877
1878 ND_PRINT((ndo, "\n\t RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1879 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1880 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1881 rsvp_com_header->msg_type,
1882 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1883 subtlen,
1884 rsvp_com_header->ttl,
1885 EXTRACT_16BITS(rsvp_com_header->checksum)));
1886
1887 /*
1888 * Clear checksum prior to signature verification.
1889 */
1890 rsvp_com_header->checksum[0] = 0;
1891 rsvp_com_header->checksum[1] = 0;
1892
1893 if (subtlen < sizeof(const struct rsvp_common_header)) {
1894 ND_PRINT((ndo, "ERROR: common header too short %u < %lu", subtlen,
1895 (unsigned long)sizeof(const struct rsvp_common_header)));
1896 return;
1897 }
1898
1899 if (tlen < subtlen) {
1900 ND_PRINT((ndo, "ERROR: common header too large %u > %u", subtlen,
1901 tlen));
1902 return;
1903 }
1904
1905 subtptr+=sizeof(const struct rsvp_common_header);
1906 subtlen-=sizeof(const struct rsvp_common_header);
1907
1908 if (rsvp_obj_print(ndo, pptr, plen, subtptr, "\n\t ", subtlen) == -1)
1909 return;
1910
1911 tptr+=subtlen+sizeof(const struct rsvp_common_header);
1912 tlen-=subtlen+sizeof(const struct rsvp_common_header);
1913 }
1914
1915 break;
1916
1917 case RSVP_MSGTYPE_PATH:
1918 case RSVP_MSGTYPE_RESV:
1919 case RSVP_MSGTYPE_PATHERR:
1920 case RSVP_MSGTYPE_RESVERR:
1921 case RSVP_MSGTYPE_PATHTEAR:
1922 case RSVP_MSGTYPE_RESVTEAR:
1923 case RSVP_MSGTYPE_RESVCONF:
1924 case RSVP_MSGTYPE_HELLO_OLD:
1925 case RSVP_MSGTYPE_HELLO:
1926 case RSVP_MSGTYPE_ACK:
1927 case RSVP_MSGTYPE_SREFRESH:
1928 if (rsvp_obj_print(ndo, pptr, plen, tptr, "\n\t ", tlen) == -1)
1929 return;
1930 break;
1931
1932 default:
1933 print_unknown_data(ndo, tptr, "\n\t ", tlen);
1934 break;
1935 }
1936
1937 return;
1938 trunc:
1939 ND_PRINT((ndo, "\n\t\t packet exceeded snapshot"));
1940 }
1941