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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 #ifdef HAVE_CONFIG_H
19 #include "config.h"
20 #endif
21
22 #include <netdissect-stdinc.h>
23
24 #include "netdissect.h"
25 #include "extract.h"
26 #include "addrtoname.h"
27 #include "ethertype.h"
28 #include "gmpls.h"
29 #include "af.h"
30 #include "signature.h"
31
32 /*
33 * RFC 2205 common header
34 *
35 * 0 1 2 3
36 * +-------------+-------------+-------------+-------------+
37 * | Vers | Flags| Msg Type | RSVP Checksum |
38 * +-------------+-------------+-------------+-------------+
39 * | Send_TTL | (Reserved) | RSVP Length |
40 * +-------------+-------------+-------------+-------------+
41 *
42 */
43
44 struct rsvp_common_header {
45 uint8_t version_flags;
46 uint8_t msg_type;
47 uint8_t checksum[2];
48 uint8_t ttl;
49 uint8_t reserved;
50 uint8_t length[2];
51 };
52
53 /*
54 * RFC2205 object header
55 *
56 *
57 * 0 1 2 3
58 * +-------------+-------------+-------------+-------------+
59 * | Length (bytes) | Class-Num | C-Type |
60 * +-------------+-------------+-------------+-------------+
61 * | |
62 * // (Object contents) //
63 * | |
64 * +-------------+-------------+-------------+-------------+
65 */
66
67 struct rsvp_object_header {
68 uint8_t length[2];
69 uint8_t class_num;
70 uint8_t ctype;
71 };
72
73 #define RSVP_VERSION 1
74 #define RSVP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
75 #define RSVP_EXTRACT_FLAGS(x) ((x)&0x0f)
76
77 #define RSVP_MSGTYPE_PATH 1
78 #define RSVP_MSGTYPE_RESV 2
79 #define RSVP_MSGTYPE_PATHERR 3
80 #define RSVP_MSGTYPE_RESVERR 4
81 #define RSVP_MSGTYPE_PATHTEAR 5
82 #define RSVP_MSGTYPE_RESVTEAR 6
83 #define RSVP_MSGTYPE_RESVCONF 7
84 #define RSVP_MSGTYPE_AGGREGATE 12
85 #define RSVP_MSGTYPE_ACK 13
86 #define RSVP_MSGTYPE_HELLO_OLD 14 /* ancient Hellos */
87 #define RSVP_MSGTYPE_SREFRESH 15
88 #define RSVP_MSGTYPE_HELLO 20
89
90 static const struct tok rsvp_msg_type_values[] = {
91 { RSVP_MSGTYPE_PATH, "Path" },
92 { RSVP_MSGTYPE_RESV, "Resv" },
93 { RSVP_MSGTYPE_PATHERR, "PathErr" },
94 { RSVP_MSGTYPE_RESVERR, "ResvErr" },
95 { RSVP_MSGTYPE_PATHTEAR, "PathTear" },
96 { RSVP_MSGTYPE_RESVTEAR, "ResvTear" },
97 { RSVP_MSGTYPE_RESVCONF, "ResvConf" },
98 { RSVP_MSGTYPE_AGGREGATE, "Aggregate" },
99 { RSVP_MSGTYPE_ACK, "Acknowledgement" },
100 { RSVP_MSGTYPE_HELLO_OLD, "Hello (Old)" },
101 { RSVP_MSGTYPE_SREFRESH, "Refresh" },
102 { RSVP_MSGTYPE_HELLO, "Hello" },
103 { 0, NULL}
104 };
105
106 static const struct tok rsvp_header_flag_values[] = {
107 { 0x01, "Refresh reduction capable" }, /* rfc2961 */
108 { 0, NULL}
109 };
110
111 #define RSVP_OBJ_SESSION 1 /* rfc2205 */
112 #define RSVP_OBJ_RSVP_HOP 3 /* rfc2205, rfc3473 */
113 #define RSVP_OBJ_INTEGRITY 4 /* rfc2747 */
114 #define RSVP_OBJ_TIME_VALUES 5 /* rfc2205 */
115 #define RSVP_OBJ_ERROR_SPEC 6
116 #define RSVP_OBJ_SCOPE 7
117 #define RSVP_OBJ_STYLE 8 /* rfc2205 */
118 #define RSVP_OBJ_FLOWSPEC 9 /* rfc2215 */
119 #define RSVP_OBJ_FILTERSPEC 10 /* rfc2215 */
120 #define RSVP_OBJ_SENDER_TEMPLATE 11
121 #define RSVP_OBJ_SENDER_TSPEC 12 /* rfc2215 */
122 #define RSVP_OBJ_ADSPEC 13 /* rfc2215 */
123 #define RSVP_OBJ_POLICY_DATA 14
124 #define RSVP_OBJ_CONFIRM 15 /* rfc2205 */
125 #define RSVP_OBJ_LABEL 16 /* rfc3209 */
126 #define RSVP_OBJ_LABEL_REQ 19 /* rfc3209 */
127 #define RSVP_OBJ_ERO 20 /* rfc3209 */
128 #define RSVP_OBJ_RRO 21 /* rfc3209 */
129 #define RSVP_OBJ_HELLO 22 /* rfc3209 */
130 #define RSVP_OBJ_MESSAGE_ID 23 /* rfc2961 */
131 #define RSVP_OBJ_MESSAGE_ID_ACK 24 /* rfc2961 */
132 #define RSVP_OBJ_MESSAGE_ID_LIST 25 /* rfc2961 */
133 #define RSVP_OBJ_RECOVERY_LABEL 34 /* rfc3473 */
134 #define RSVP_OBJ_UPSTREAM_LABEL 35 /* rfc3473 */
135 #define RSVP_OBJ_LABEL_SET 36 /* rfc3473 */
136 #define RSVP_OBJ_PROTECTION 37 /* rfc3473 */
137 #define RSVP_OBJ_S2L 50 /* rfc4875 */
138 #define RSVP_OBJ_DETOUR 63 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */
139 #define RSVP_OBJ_CLASSTYPE 66 /* rfc4124 */
140 #define RSVP_OBJ_CLASSTYPE_OLD 125 /* draft-ietf-tewg-diff-te-proto-07 */
141 #define RSVP_OBJ_SUGGESTED_LABEL 129 /* rfc3473 */
142 #define RSVP_OBJ_ACCEPT_LABEL_SET 130 /* rfc3473 */
143 #define RSVP_OBJ_RESTART_CAPABILITY 131 /* rfc3473 */
144 #define RSVP_OBJ_NOTIFY_REQ 195 /* rfc3473 */
145 #define RSVP_OBJ_ADMIN_STATUS 196 /* rfc3473 */
146 #define RSVP_OBJ_PROPERTIES 204 /* juniper proprietary */
147 #define RSVP_OBJ_FASTREROUTE 205 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */
148 #define RSVP_OBJ_SESSION_ATTRIBUTE 207 /* rfc3209 */
149 #define RSVP_OBJ_GENERALIZED_UNI 229 /* OIF RSVP extensions UNI 1.0 Signaling, Rel. 2 */
150 #define RSVP_OBJ_CALL_ID 230 /* rfc3474 */
151 #define RSVP_OBJ_CALL_OPS 236 /* rfc3474 */
152
153 static const struct tok rsvp_obj_values[] = {
154 { RSVP_OBJ_SESSION, "Session" },
155 { RSVP_OBJ_RSVP_HOP, "RSVP Hop" },
156 { RSVP_OBJ_INTEGRITY, "Integrity" },
157 { RSVP_OBJ_TIME_VALUES, "Time Values" },
158 { RSVP_OBJ_ERROR_SPEC, "Error Spec" },
159 { RSVP_OBJ_SCOPE, "Scope" },
160 { RSVP_OBJ_STYLE, "Style" },
161 { RSVP_OBJ_FLOWSPEC, "Flowspec" },
162 { RSVP_OBJ_FILTERSPEC, "FilterSpec" },
163 { RSVP_OBJ_SENDER_TEMPLATE, "Sender Template" },
164 { RSVP_OBJ_SENDER_TSPEC, "Sender TSpec" },
165 { RSVP_OBJ_ADSPEC, "Adspec" },
166 { RSVP_OBJ_POLICY_DATA, "Policy Data" },
167 { RSVP_OBJ_CONFIRM, "Confirm" },
168 { RSVP_OBJ_LABEL, "Label" },
169 { RSVP_OBJ_LABEL_REQ, "Label Request" },
170 { RSVP_OBJ_ERO, "ERO" },
171 { RSVP_OBJ_RRO, "RRO" },
172 { RSVP_OBJ_HELLO, "Hello" },
173 { RSVP_OBJ_MESSAGE_ID, "Message ID" },
174 { RSVP_OBJ_MESSAGE_ID_ACK, "Message ID Ack" },
175 { RSVP_OBJ_MESSAGE_ID_LIST, "Message ID List" },
176 { RSVP_OBJ_RECOVERY_LABEL, "Recovery Label" },
177 { RSVP_OBJ_UPSTREAM_LABEL, "Upstream Label" },
178 { RSVP_OBJ_LABEL_SET, "Label Set" },
179 { RSVP_OBJ_ACCEPT_LABEL_SET, "Acceptable Label Set" },
180 { RSVP_OBJ_DETOUR, "Detour" },
181 { RSVP_OBJ_CLASSTYPE, "Class Type" },
182 { RSVP_OBJ_CLASSTYPE_OLD, "Class Type (old)" },
183 { RSVP_OBJ_SUGGESTED_LABEL, "Suggested Label" },
184 { RSVP_OBJ_PROPERTIES, "Properties" },
185 { RSVP_OBJ_FASTREROUTE, "Fast Re-Route" },
186 { RSVP_OBJ_SESSION_ATTRIBUTE, "Session Attribute" },
187 { RSVP_OBJ_GENERALIZED_UNI, "Generalized UNI" },
188 { RSVP_OBJ_CALL_ID, "Call-ID" },
189 { RSVP_OBJ_CALL_OPS, "Call Capability" },
190 { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" },
191 { RSVP_OBJ_NOTIFY_REQ, "Notify Request" },
192 { RSVP_OBJ_PROTECTION, "Protection" },
193 { RSVP_OBJ_ADMIN_STATUS, "Administrative Status" },
194 { RSVP_OBJ_S2L, "Sub-LSP to LSP" },
195 { 0, NULL}
196 };
197
198 #define RSVP_CTYPE_IPV4 1
199 #define RSVP_CTYPE_IPV6 2
200 #define RSVP_CTYPE_TUNNEL_IPV4 7
201 #define RSVP_CTYPE_TUNNEL_IPV6 8
202 #define RSVP_CTYPE_UNI_IPV4 11 /* OIF RSVP extensions UNI 1.0 Signaling Rel. 2 */
203 #define RSVP_CTYPE_1 1
204 #define RSVP_CTYPE_2 2
205 #define RSVP_CTYPE_3 3
206 #define RSVP_CTYPE_4 4
207 #define RSVP_CTYPE_12 12
208 #define RSVP_CTYPE_13 13
209 #define RSVP_CTYPE_14 14
210
211 /*
212 * the ctypes are not globally unique so for
213 * translating it to strings we build a table based
214 * on objects offsetted by the ctype
215 */
216
217 static const struct tok rsvp_ctype_values[] = {
218 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV4, "IPv4" },
219 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV6, "IPv6" },
220 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
221 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
222 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV4, "IPv4" },
223 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV6, "IPv6" },
224 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV4, "IPv4" },
225 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV6, "IPv6" },
226 { 256*RSVP_OBJ_TIME_VALUES+RSVP_CTYPE_1, "1" },
227 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_1, "obsolete" },
228 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_2, "IntServ" },
229 { 256*RSVP_OBJ_SENDER_TSPEC+RSVP_CTYPE_2, "IntServ" },
230 { 256*RSVP_OBJ_ADSPEC+RSVP_CTYPE_2, "IntServ" },
231 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV4, "IPv4" },
232 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6, "IPv6" },
233 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3, "IPv6 Flow-label" },
234 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
235 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" },
236 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" },
237 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4, "IPv4" },
238 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6, "IPv6" },
239 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
240 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_UNI_IPV4, "UNI IPv4" },
241 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_13, "IPv4 P2MP LSP Tunnel" },
242 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_14, "IPv6 P2MP LSP Tunnel" },
243 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV4, "IPv4" },
244 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6, "IPv6" },
245 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
246 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" },
247 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" },
248 { 256*RSVP_OBJ_MESSAGE_ID+RSVP_CTYPE_1, "1" },
249 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_1, "Message id ack" },
250 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_2, "Message id nack" },
251 { 256*RSVP_OBJ_MESSAGE_ID_LIST+RSVP_CTYPE_1, "1" },
252 { 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1, "1" },
253 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1, "Hello Request" },
254 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2, "Hello Ack" },
255 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1, "without label range" },
256 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2, "with ATM label range" },
257 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3, "with FR label range" },
258 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4, "Generalized Label" },
259 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1, "Label" },
260 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_2, "Generalized Label" },
261 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
262 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1, "Label" },
263 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_2, "Generalized Label" },
264 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
265 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1, "Label" },
266 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_2, "Generalized Label" },
267 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
268 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_1, "Label" },
269 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_2, "Generalized Label" },
270 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
271 { 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4, "IPv4" },
272 { 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4, "IPv4" },
273 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4, "IPv4" },
274 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6, "IPv6" },
275 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
276 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
277 { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1, "IPv4" },
278 { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
279 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, /* old style*/
280 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_1, "1" }, /* new style */
281 { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
282 { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1, "1" },
283 { 256*RSVP_OBJ_ADMIN_STATUS+RSVP_CTYPE_1, "1" },
284 { 256*RSVP_OBJ_CLASSTYPE+RSVP_CTYPE_1, "1" },
285 { 256*RSVP_OBJ_CLASSTYPE_OLD+RSVP_CTYPE_1, "1" },
286 { 256*RSVP_OBJ_LABEL_SET+RSVP_CTYPE_1, "1" },
287 { 256*RSVP_OBJ_GENERALIZED_UNI+RSVP_CTYPE_1, "1" },
288 { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV4, "IPv4 sub-LSP" },
289 { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV6, "IPv6 sub-LSP" },
290 { 0, NULL}
291 };
292
293 struct rsvp_obj_integrity_t {
294 uint8_t flags;
295 uint8_t res;
296 uint8_t key_id[6];
297 uint8_t sequence[8];
298 uint8_t digest[16];
299 };
300
301 static const struct tok rsvp_obj_integrity_flag_values[] = {
302 { 0x80, "Handshake" },
303 { 0, NULL}
304 };
305
306 struct rsvp_obj_frr_t {
307 uint8_t setup_prio;
308 uint8_t hold_prio;
309 uint8_t hop_limit;
310 uint8_t flags;
311 uint8_t bandwidth[4];
312 uint8_t include_any[4];
313 uint8_t exclude_any[4];
314 uint8_t include_all[4];
315 };
316
317
318 #define RSVP_OBJ_XRO_MASK_SUBOBJ(x) ((x)&0x7f)
319 #define RSVP_OBJ_XRO_MASK_LOOSE(x) ((x)&0x80)
320
321 #define RSVP_OBJ_XRO_RES 0
322 #define RSVP_OBJ_XRO_IPV4 1
323 #define RSVP_OBJ_XRO_IPV6 2
324 #define RSVP_OBJ_XRO_LABEL 3
325 #define RSVP_OBJ_XRO_ASN 32
326 #define RSVP_OBJ_XRO_MPLS 64
327
328 static const struct tok rsvp_obj_xro_values[] = {
329 { RSVP_OBJ_XRO_RES, "Reserved" },
330 { RSVP_OBJ_XRO_IPV4, "IPv4 prefix" },
331 { RSVP_OBJ_XRO_IPV6, "IPv6 prefix" },
332 { RSVP_OBJ_XRO_LABEL, "Label" },
333 { RSVP_OBJ_XRO_ASN, "Autonomous system number" },
334 { RSVP_OBJ_XRO_MPLS, "MPLS label switched path termination" },
335 { 0, NULL}
336 };
337
338 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07.txt */
339 static const struct tok rsvp_obj_rro_flag_values[] = {
340 { 0x01, "Local protection available" },
341 { 0x02, "Local protection in use" },
342 { 0x04, "Bandwidth protection" },
343 { 0x08, "Node protection" },
344 { 0, NULL}
345 };
346
347 /* RFC3209 */
348 static const struct tok rsvp_obj_rro_label_flag_values[] = {
349 { 0x01, "Global" },
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 const struct tok rsvp_session_attribute_flag_values[] = {
385 { 0x01, "Local Protection" },
386 { 0x02, "Label Recording" },
387 { 0x04, "SE Style" },
388 { 0x08, "Bandwidth protection" }, /* RFC4090 */
389 { 0x10, "Node protection" }, /* RFC4090 */
390 { 0, NULL}
391 };
392
393 static const 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 const 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 const 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 const 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 /*
481 * this is a dissector for all the intserv defined
482 * specs as defined per rfc2215
483 * it is called from various rsvp objects;
484 * returns the amount of bytes being processed
485 */
486 static int
487 rsvp_intserv_print(netdissect_options *ndo,
488 const u_char *tptr, u_short obj_tlen)
489 {
490 int parameter_id,parameter_length;
491 union {
492 float f;
493 uint32_t i;
494 } bw;
495
496 if (obj_tlen < 4)
497 return 0;
498 parameter_id = *(tptr);
499 parameter_length = EXTRACT_16BITS(tptr+2)<<2; /* convert wordcount to bytecount */
500
501 ND_PRINT((ndo, "\n\t Parameter ID: %s (%u), length: %u, Flags: [0x%02x]",
502 tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id),
503 parameter_id,
504 parameter_length,
505 *(tptr + 1)));
506
507 if (obj_tlen < parameter_length+4)
508 return 0;
509 switch(parameter_id) { /* parameter_id */
510
511 case 4:
512 /*
513 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
514 * | 4 (e) | (f) | 1 (g) |
515 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
516 * | IS hop cnt (32-bit unsigned integer) |
517 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
518 */
519 if (parameter_length == 4)
520 ND_PRINT((ndo, "\n\t\tIS hop count: %u", EXTRACT_32BITS(tptr + 4)));
521 break;
522
523 case 6:
524 /*
525 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
526 * | 6 (h) | (i) | 1 (j) |
527 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
528 * | Path b/w estimate (32-bit IEEE floating point number) |
529 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
530 */
531 if (parameter_length == 4) {
532 bw.i = EXTRACT_32BITS(tptr+4);
533 ND_PRINT((ndo, "\n\t\tPath b/w estimate: %.10g Mbps", bw.f / 125000));
534 }
535 break;
536
537 case 8:
538 /*
539 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
540 * | 8 (k) | (l) | 1 (m) |
541 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
542 * | Minimum path latency (32-bit integer) |
543 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
544 */
545 if (parameter_length == 4) {
546 ND_PRINT((ndo, "\n\t\tMinimum path latency: "));
547 if (EXTRACT_32BITS(tptr+4) == 0xffffffff)
548 ND_PRINT((ndo, "don't care"));
549 else
550 ND_PRINT((ndo, "%u", EXTRACT_32BITS(tptr + 4)));
551 }
552 break;
553
554 case 10:
555
556 /*
557 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
558 * | 10 (n) | (o) | 1 (p) |
559 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
560 * | Composed MTU (32-bit unsigned integer) |
561 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
562 */
563 if (parameter_length == 4)
564 ND_PRINT((ndo, "\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr + 4)));
565 break;
566 case 127:
567 /*
568 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
569 * | 127 (e) | 0 (f) | 5 (g) |
570 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
571 * | Token Bucket Rate [r] (32-bit IEEE floating point number) |
572 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
573 * | Token Bucket Size [b] (32-bit IEEE floating point number) |
574 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
575 * | Peak Data Rate [p] (32-bit IEEE floating point number) |
576 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
577 * | Minimum Policed Unit [m] (32-bit integer) |
578 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
579 * | Maximum Packet Size [M] (32-bit integer) |
580 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
581 */
582
583 if (parameter_length == 20) {
584 bw.i = EXTRACT_32BITS(tptr+4);
585 ND_PRINT((ndo, "\n\t\tToken Bucket Rate: %.10g Mbps", bw.f / 125000));
586 bw.i = EXTRACT_32BITS(tptr+8);
587 ND_PRINT((ndo, "\n\t\tToken Bucket Size: %.10g bytes", bw.f));
588 bw.i = EXTRACT_32BITS(tptr+12);
589 ND_PRINT((ndo, "\n\t\tPeak Data Rate: %.10g Mbps", bw.f / 125000));
590 ND_PRINT((ndo, "\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr + 16)));
591 ND_PRINT((ndo, "\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr + 20)));
592 }
593 break;
594
595 case 130:
596 /*
597 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
598 * | 130 (h) | 0 (i) | 2 (j) |
599 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
600 * | Rate [R] (32-bit IEEE floating point number) |
601 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
602 * | Slack Term [S] (32-bit integer) |
603 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
604 */
605
606 if (parameter_length == 8) {
607 bw.i = EXTRACT_32BITS(tptr+4);
608 ND_PRINT((ndo, "\n\t\tRate: %.10g Mbps", bw.f / 125000));
609 ND_PRINT((ndo, "\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr + 8)));
610 }
611 break;
612
613 case 133:
614 case 134:
615 case 135:
616 case 136:
617 if (parameter_length == 4)
618 ND_PRINT((ndo, "\n\t\tValue: %u", EXTRACT_32BITS(tptr + 4)));
619 break;
620
621 default:
622 if (ndo->ndo_vflag <= 1)
623 print_unknown_data(ndo, tptr + 4, "\n\t\t", parameter_length);
624 }
625 return (parameter_length+4); /* header length 4 bytes */
626 }
627
628 static int
629 rsvp_obj_print(netdissect_options *ndo,
630 const u_char *pptr
631 #ifndef HAVE_LIBCRYPTO
632 _U_
633 #endif
634 , u_int plen
635 #ifndef HAVE_LIBCRYPTO
636 _U_
637 #endif
638 , const u_char *tptr,
639 const char *ident, u_int tlen)
640 {
641 const struct rsvp_object_header *rsvp_obj_header;
642 const u_char *obj_tptr;
643 union {
644 const struct rsvp_obj_integrity_t *rsvp_obj_integrity;
645 const struct rsvp_obj_frr_t *rsvp_obj_frr;
646 } obj_ptr;
647
648 u_short rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen;
649 int hexdump,processed,padbytes,error_code,error_value,i,sigcheck;
650 union {
651 float f;
652 uint32_t i;
653 } bw;
654 uint8_t namelen;
655
656 u_int action, subchannel;
657
658 while(tlen>=sizeof(struct rsvp_object_header)) {
659 /* did we capture enough for fully decoding the object header ? */
660 ND_TCHECK2(*tptr, sizeof(struct rsvp_object_header));
661
662 rsvp_obj_header = (const struct rsvp_object_header *)tptr;
663 rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length);
664 rsvp_obj_ctype=rsvp_obj_header->ctype;
665
666 if(rsvp_obj_len % 4) {
667 ND_PRINT((ndo, "%sERROR: object header size %u not a multiple of 4", ident, rsvp_obj_len));
668 return -1;
669 }
670 if(rsvp_obj_len < sizeof(struct rsvp_object_header)) {
671 ND_PRINT((ndo, "%sERROR: object header too short %u < %lu", ident, rsvp_obj_len,
672 (unsigned long)sizeof(const struct rsvp_object_header)));
673 return -1;
674 }
675
676 ND_PRINT((ndo, "%s%s Object (%u) Flags: [%s",
677 ident,
678 tok2str(rsvp_obj_values,
679 "Unknown",
680 rsvp_obj_header->class_num),
681 rsvp_obj_header->class_num,
682 ((rsvp_obj_header->class_num) & 0x80) ? "ignore" : "reject"));
683
684 if (rsvp_obj_header->class_num > 128)
685 ND_PRINT((ndo, " %s",
686 ((rsvp_obj_header->class_num) & 0x40) ? "and forward" : "silently"));
687
688 ND_PRINT((ndo, " if unknown], Class-Type: %s (%u), length: %u",
689 tok2str(rsvp_ctype_values,
690 "Unknown",
691 ((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype),
692 rsvp_obj_ctype,
693 rsvp_obj_len));
694
695 if(tlen < rsvp_obj_len) {
696 ND_PRINT((ndo, "%sERROR: object goes past end of objects TLV", ident));
697 return -1;
698 }
699
700 obj_tptr=tptr+sizeof(struct rsvp_object_header);
701 obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
702
703 /* did we capture enough for fully decoding the object ? */
704 if (!ND_TTEST2(*tptr, rsvp_obj_len))
705 return -1;
706 hexdump=FALSE;
707
708 switch(rsvp_obj_header->class_num) {
709 case RSVP_OBJ_SESSION:
710 switch(rsvp_obj_ctype) {
711 case RSVP_CTYPE_IPV4:
712 if (obj_tlen < 8)
713 return -1;
714 ND_PRINT((ndo, "%s IPv4 DestAddress: %s, Protocol ID: 0x%02x",
715 ident,
716 ipaddr_string(ndo, obj_tptr),
717 *(obj_tptr + sizeof(struct in_addr))));
718 ND_PRINT((ndo, "%s Flags: [0x%02x], DestPort %u",
719 ident,
720 *(obj_tptr+5),
721 EXTRACT_16BITS(obj_tptr + 6)));
722 obj_tlen-=8;
723 obj_tptr+=8;
724 break;
725 case RSVP_CTYPE_IPV6:
726 if (obj_tlen < 20)
727 return -1;
728 ND_PRINT((ndo, "%s IPv6 DestAddress: %s, Protocol ID: 0x%02x",
729 ident,
730 ip6addr_string(ndo, obj_tptr),
731 *(obj_tptr + sizeof(struct in6_addr))));
732 ND_PRINT((ndo, "%s Flags: [0x%02x], DestPort %u",
733 ident,
734 *(obj_tptr+sizeof(struct in6_addr)+1),
735 EXTRACT_16BITS(obj_tptr + sizeof(struct in6_addr) + 2)));
736 obj_tlen-=20;
737 obj_tptr+=20;
738 break;
739
740 case RSVP_CTYPE_TUNNEL_IPV6:
741 if (obj_tlen < 36)
742 return -1;
743 ND_PRINT((ndo, "%s IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
744 ident,
745 ip6addr_string(ndo, obj_tptr),
746 EXTRACT_16BITS(obj_tptr+18),
747 ip6addr_string(ndo, obj_tptr + 20)));
748 obj_tlen-=36;
749 obj_tptr+=36;
750 break;
751
752 case RSVP_CTYPE_14: /* IPv6 p2mp LSP Tunnel */
753 if (obj_tlen < 26)
754 return -1;
755 ND_PRINT((ndo, "%s IPv6 P2MP LSP ID: 0x%08x, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
756 ident,
757 EXTRACT_32BITS(obj_tptr),
758 EXTRACT_16BITS(obj_tptr+6),
759 ip6addr_string(ndo, obj_tptr + 8)));
760 obj_tlen-=26;
761 obj_tptr+=26;
762 break;
763 case RSVP_CTYPE_13: /* IPv4 p2mp LSP Tunnel */
764 if (obj_tlen < 12)
765 return -1;
766 ND_PRINT((ndo, "%s IPv4 P2MP LSP ID: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
767 ident,
768 ipaddr_string(ndo, obj_tptr),
769 EXTRACT_16BITS(obj_tptr+6),
770 ipaddr_string(ndo, obj_tptr + 8)));
771 obj_tlen-=12;
772 obj_tptr+=12;
773 break;
774 case RSVP_CTYPE_TUNNEL_IPV4:
775 case RSVP_CTYPE_UNI_IPV4:
776 if (obj_tlen < 12)
777 return -1;
778 ND_PRINT((ndo, "%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
779 ident,
780 ipaddr_string(ndo, obj_tptr),
781 EXTRACT_16BITS(obj_tptr+6),
782 ipaddr_string(ndo, obj_tptr + 8)));
783 obj_tlen-=12;
784 obj_tptr+=12;
785 break;
786 default:
787 hexdump=TRUE;
788 }
789 break;
790
791 case RSVP_OBJ_CONFIRM:
792 switch(rsvp_obj_ctype) {
793 case RSVP_CTYPE_IPV4:
794 if (obj_tlen < sizeof(struct in_addr))
795 return -1;
796 ND_PRINT((ndo, "%s IPv4 Receiver Address: %s",
797 ident,
798 ipaddr_string(ndo, obj_tptr)));
799 obj_tlen-=sizeof(struct in_addr);
800 obj_tptr+=sizeof(struct in_addr);
801 break;
802 case RSVP_CTYPE_IPV6:
803 if (obj_tlen < sizeof(struct in6_addr))
804 return -1;
805 ND_PRINT((ndo, "%s IPv6 Receiver Address: %s",
806 ident,
807 ip6addr_string(ndo, obj_tptr)));
808 obj_tlen-=sizeof(struct in6_addr);
809 obj_tptr+=sizeof(struct in6_addr);
810 break;
811 default:
812 hexdump=TRUE;
813 }
814 break;
815
816 case RSVP_OBJ_NOTIFY_REQ:
817 switch(rsvp_obj_ctype) {
818 case RSVP_CTYPE_IPV4:
819 if (obj_tlen < sizeof(struct in_addr))
820 return -1;
821 ND_PRINT((ndo, "%s IPv4 Notify Node Address: %s",
822 ident,
823 ipaddr_string(ndo, obj_tptr)));
824 obj_tlen-=sizeof(struct in_addr);
825 obj_tptr+=sizeof(struct in_addr);
826 break;
827 case RSVP_CTYPE_IPV6:
828 if (obj_tlen < sizeof(struct in6_addr))
829 return-1;
830 ND_PRINT((ndo, "%s IPv6 Notify Node Address: %s",
831 ident,
832 ip6addr_string(ndo, obj_tptr)));
833 obj_tlen-=sizeof(struct in6_addr);
834 obj_tptr+=sizeof(struct in6_addr);
835 break;
836 default:
837 hexdump=TRUE;
838 }
839 break;
840
841 case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
842 case RSVP_OBJ_UPSTREAM_LABEL: /* fall through */
843 case RSVP_OBJ_RECOVERY_LABEL: /* fall through */
844 case RSVP_OBJ_LABEL:
845 switch(rsvp_obj_ctype) {
846 case RSVP_CTYPE_1:
847 while(obj_tlen >= 4 ) {
848 ND_PRINT((ndo, "%s Label: %u", ident, EXTRACT_32BITS(obj_tptr)));
849 obj_tlen-=4;
850 obj_tptr+=4;
851 }
852 break;
853 case RSVP_CTYPE_2:
854 if (obj_tlen < 4)
855 return-1;
856 ND_PRINT((ndo, "%s Generalized Label: %u",
857 ident,
858 EXTRACT_32BITS(obj_tptr)));
859 obj_tlen-=4;
860 obj_tptr+=4;
861 break;
862 case RSVP_CTYPE_3:
863 if (obj_tlen < 12)
864 return-1;
865 ND_PRINT((ndo, "%s Waveband ID: %u%s Start Label: %u, Stop Label: %u",
866 ident,
867 EXTRACT_32BITS(obj_tptr),
868 ident,
869 EXTRACT_32BITS(obj_tptr+4),
870 EXTRACT_32BITS(obj_tptr + 8)));
871 obj_tlen-=12;
872 obj_tptr+=12;
873 break;
874 default:
875 hexdump=TRUE;
876 }
877 break;
878
879 case RSVP_OBJ_STYLE:
880 switch(rsvp_obj_ctype) {
881 case RSVP_CTYPE_1:
882 if (obj_tlen < 4)
883 return-1;
884 ND_PRINT((ndo, "%s Reservation Style: %s, Flags: [0x%02x]",
885 ident,
886 tok2str(rsvp_resstyle_values,
887 "Unknown",
888 EXTRACT_24BITS(obj_tptr+1)),
889 *(obj_tptr)));
890 obj_tlen-=4;
891 obj_tptr+=4;
892 break;
893 default:
894 hexdump=TRUE;
895 }
896 break;
897
898 case RSVP_OBJ_SENDER_TEMPLATE:
899 switch(rsvp_obj_ctype) {
900 case RSVP_CTYPE_IPV4:
901 if (obj_tlen < 8)
902 return-1;
903 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
904 ident,
905 ipaddr_string(ndo, obj_tptr),
906 EXTRACT_16BITS(obj_tptr + 6)));
907 obj_tlen-=8;
908 obj_tptr+=8;
909 break;
910 case RSVP_CTYPE_IPV6:
911 if (obj_tlen < 20)
912 return-1;
913 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
914 ident,
915 ip6addr_string(ndo, obj_tptr),
916 EXTRACT_16BITS(obj_tptr + 18)));
917 obj_tlen-=20;
918 obj_tptr+=20;
919 break;
920 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
921 if (obj_tlen < 40)
922 return-1;
923 ND_PRINT((ndo, "%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
924 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
925 ident,
926 ip6addr_string(ndo, obj_tptr),
927 EXTRACT_16BITS(obj_tptr+18),
928 ident,
929 ip6addr_string(ndo, obj_tptr+20),
930 EXTRACT_16BITS(obj_tptr + 38)));
931 obj_tlen-=40;
932 obj_tptr+=40;
933 break;
934 case RSVP_CTYPE_TUNNEL_IPV4:
935 if (obj_tlen < 8)
936 return-1;
937 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
938 ident,
939 ipaddr_string(ndo, 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 ND_PRINT((ndo, "%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(ndo, obj_tptr),
951 EXTRACT_16BITS(obj_tptr+6),
952 ident,
953 ipaddr_string(ndo, 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 ND_PRINT((ndo, "%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 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
980 ident,
981 tok2str(ethertype_values,
982 "Unknown Protocol (0x%04x)",
983 EXTRACT_16BITS(obj_tptr + 2))));
984 ND_PRINT((ndo, ",%s merge capability",((*(obj_tptr + 4)) & 0x80) ? "no" : "" ));
985 ND_PRINT((ndo, "%s Minimum VPI/VCI: %u/%u",
986 ident,
987 (EXTRACT_16BITS(obj_tptr+4))&0xfff,
988 (EXTRACT_16BITS(obj_tptr + 6)) & 0xfff));
989 ND_PRINT((ndo, "%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 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
1000 ident,
1001 tok2str(ethertype_values,
1002 "Unknown Protocol (0x%04x)",
1003 EXTRACT_16BITS(obj_tptr + 2))));
1004 ND_PRINT((ndo, "%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 ND_PRINT((ndo, "%s LSP Encoding Type: %s (%u)",
1017 ident,
1018 tok2str(gmpls_encoding_values,
1019 "Unknown",
1020 *obj_tptr),
1021 *obj_tptr));
1022 ND_PRINT((ndo, "%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 ND_PRINT((ndo, "%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 ND_PRINT((ndo, "%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 ND_PRINT((ndo, ", %s, %s/%u, Flags: [%s]",
1060 RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
1061 ipaddr_string(ndo, 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 break;
1067 case RSVP_OBJ_XRO_LABEL:
1068 ND_PRINT((ndo, ", Flags: [%s] (%#x), Class-Type: %s (%u), %u",
1069 bittok2str(rsvp_obj_rro_label_flag_values,
1070 "none",
1071 *(obj_tptr+2)),
1072 *(obj_tptr+2),
1073 tok2str(rsvp_ctype_values,
1074 "Unknown",
1075 *(obj_tptr+3) + 256*RSVP_OBJ_RRO),
1076 *(obj_tptr+3),
1077 EXTRACT_32BITS(obj_tptr + 4)));
1078 }
1079 obj_tlen-=*(obj_tptr+1);
1080 obj_tptr+=*(obj_tptr+1);
1081 }
1082 break;
1083 default:
1084 hexdump=TRUE;
1085 }
1086 break;
1087
1088 case RSVP_OBJ_HELLO:
1089 switch(rsvp_obj_ctype) {
1090 case RSVP_CTYPE_1:
1091 case RSVP_CTYPE_2:
1092 if (obj_tlen < 8)
1093 return-1;
1094 ND_PRINT((ndo, "%s Source Instance: 0x%08x, Destination Instance: 0x%08x",
1095 ident,
1096 EXTRACT_32BITS(obj_tptr),
1097 EXTRACT_32BITS(obj_tptr + 4)));
1098 obj_tlen-=8;
1099 obj_tptr+=8;
1100 break;
1101 default:
1102 hexdump=TRUE;
1103 }
1104 break;
1105
1106 case RSVP_OBJ_RESTART_CAPABILITY:
1107 switch(rsvp_obj_ctype) {
1108 case RSVP_CTYPE_1:
1109 if (obj_tlen < 8)
1110 return-1;
1111 ND_PRINT((ndo, "%s Restart Time: %ums, Recovery Time: %ums",
1112 ident,
1113 EXTRACT_32BITS(obj_tptr),
1114 EXTRACT_32BITS(obj_tptr + 4)));
1115 obj_tlen-=8;
1116 obj_tptr+=8;
1117 break;
1118 default:
1119 hexdump=TRUE;
1120 }
1121 break;
1122
1123 case RSVP_OBJ_SESSION_ATTRIBUTE:
1124 switch(rsvp_obj_ctype) {
1125 case RSVP_CTYPE_TUNNEL_IPV4:
1126 if (obj_tlen < 4)
1127 return-1;
1128 namelen = *(obj_tptr+3);
1129 if (obj_tlen < 4+namelen)
1130 return-1;
1131 ND_PRINT((ndo, "%s Session Name: ", ident));
1132 for (i = 0; i < namelen; i++)
1133 safeputchar(ndo, *(obj_tptr + 4 + i));
1134 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Flags: [%s] (%#x)",
1135 ident,
1136 (int)*obj_tptr,
1137 (int)*(obj_tptr+1),
1138 bittok2str(rsvp_session_attribute_flag_values,
1139 "none",
1140 *(obj_tptr+2)),
1141 *(obj_tptr + 2)));
1142 obj_tlen-=4+*(obj_tptr+3);
1143 obj_tptr+=4+*(obj_tptr+3);
1144 break;
1145 default:
1146 hexdump=TRUE;
1147 }
1148 break;
1149
1150 case RSVP_OBJ_GENERALIZED_UNI:
1151 switch(rsvp_obj_ctype) {
1152 int subobj_type,af,subobj_len,total_subobj_len;
1153
1154 case RSVP_CTYPE_1:
1155
1156 if (obj_tlen < 4)
1157 return-1;
1158
1159 /* read variable length subobjects */
1160 total_subobj_len = obj_tlen;
1161 while(total_subobj_len > 0) {
1162 subobj_len = EXTRACT_16BITS(obj_tptr);
1163 subobj_type = (EXTRACT_16BITS(obj_tptr+2))>>8;
1164 af = (EXTRACT_16BITS(obj_tptr+2))&0x00FF;
1165
1166 ND_PRINT((ndo, "%s Subobject Type: %s (%u), AF: %s (%u), length: %u",
1167 ident,
1168 tok2str(rsvp_obj_generalized_uni_values, "Unknown", subobj_type),
1169 subobj_type,
1170 tok2str(af_values, "Unknown", af), af,
1171 subobj_len));
1172
1173 switch(subobj_type) {
1174 case RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS:
1175 case RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS:
1176
1177 switch(af) {
1178 case AFNUM_INET:
1179 if (subobj_len < 8)
1180 return -1;
1181 ND_PRINT((ndo, "%s UNI IPv4 TNA address: %s",
1182 ident, ipaddr_string(ndo, obj_tptr + 4)));
1183 break;
1184 case AFNUM_INET6:
1185 if (subobj_len < 20)
1186 return -1;
1187 ND_PRINT((ndo, "%s UNI IPv6 TNA address: %s",
1188 ident, ip6addr_string(ndo, obj_tptr + 4)));
1189 break;
1190 case AFNUM_NSAP:
1191 if (subobj_len) {
1192 /* unless we have a TLV parser lets just hexdump */
1193 hexdump=TRUE;
1194 }
1195 break;
1196 }
1197 break;
1198
1199 case RSVP_GEN_UNI_SUBOBJ_DIVERSITY:
1200 if (subobj_len) {
1201 /* unless we have a TLV parser lets just hexdump */
1202 hexdump=TRUE;
1203 }
1204 break;
1205
1206 case RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL:
1207 if (subobj_len < 16) {
1208 return -1;
1209 }
1210
1211 ND_PRINT((ndo, "%s U-bit: %x, Label type: %u, Logical port id: %u, Label: %u",
1212 ident,
1213 ((EXTRACT_32BITS(obj_tptr+4))>>31),
1214 ((EXTRACT_32BITS(obj_tptr+4))&0xFF),
1215 EXTRACT_32BITS(obj_tptr+8),
1216 EXTRACT_32BITS(obj_tptr + 12)));
1217 break;
1218
1219 case RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL:
1220 if (subobj_len < 8) {
1221 return -1;
1222 }
1223
1224 ND_PRINT((ndo, "%s Service level: %u",
1225 ident, (EXTRACT_32BITS(obj_tptr + 4)) >> 24));
1226 break;
1227
1228 default:
1229 hexdump=TRUE;
1230 break;
1231 }
1232 total_subobj_len-=subobj_len;
1233 obj_tptr+=subobj_len;
1234 obj_tlen+=subobj_len;
1235 }
1236
1237 if (total_subobj_len) {
1238 /* unless we have a TLV parser lets just hexdump */
1239 hexdump=TRUE;
1240 }
1241 break;
1242
1243 default:
1244 hexdump=TRUE;
1245 }
1246 break;
1247
1248 case RSVP_OBJ_RSVP_HOP:
1249 switch(rsvp_obj_ctype) {
1250 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1251 case RSVP_CTYPE_IPV4:
1252 if (obj_tlen < 8)
1253 return-1;
1254 ND_PRINT((ndo, "%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1255 ident,
1256 ipaddr_string(ndo, obj_tptr),
1257 EXTRACT_32BITS(obj_tptr + 4)));
1258 obj_tlen-=8;
1259 obj_tptr+=8;
1260 if (obj_tlen)
1261 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1262 break;
1263 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1264 case RSVP_CTYPE_IPV6:
1265 if (obj_tlen < 20)
1266 return-1;
1267 ND_PRINT((ndo, "%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1268 ident,
1269 ip6addr_string(ndo, obj_tptr),
1270 EXTRACT_32BITS(obj_tptr + 16)));
1271 obj_tlen-=20;
1272 obj_tptr+=20;
1273 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1274 break;
1275 default:
1276 hexdump=TRUE;
1277 }
1278 break;
1279
1280 case RSVP_OBJ_TIME_VALUES:
1281 switch(rsvp_obj_ctype) {
1282 case RSVP_CTYPE_1:
1283 if (obj_tlen < 4)
1284 return-1;
1285 ND_PRINT((ndo, "%s Refresh Period: %ums",
1286 ident,
1287 EXTRACT_32BITS(obj_tptr)));
1288 obj_tlen-=4;
1289 obj_tptr+=4;
1290 break;
1291 default:
1292 hexdump=TRUE;
1293 }
1294 break;
1295
1296 /* those three objects do share the same semantics */
1297 case RSVP_OBJ_SENDER_TSPEC:
1298 case RSVP_OBJ_ADSPEC:
1299 case RSVP_OBJ_FLOWSPEC:
1300 switch(rsvp_obj_ctype) {
1301 case RSVP_CTYPE_2:
1302 if (obj_tlen < 4)
1303 return-1;
1304 ND_PRINT((ndo, "%s Msg-Version: %u, length: %u",
1305 ident,
1306 (*obj_tptr & 0xf0) >> 4,
1307 EXTRACT_16BITS(obj_tptr + 2) << 2));
1308 obj_tptr+=4; /* get to the start of the service header */
1309 obj_tlen-=4;
1310
1311 while (obj_tlen >= 4) {
1312 intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
1313 ND_PRINT((ndo, "%s Service Type: %s (%u), break bit %s set, Service length: %u",
1314 ident,
1315 tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)),
1316 *(obj_tptr),
1317 (*(obj_tptr+1)&0x80) ? "" : "not",
1318 intserv_serv_tlen));
1319
1320 obj_tptr+=4; /* get to the start of the parameter list */
1321 obj_tlen-=4;
1322
1323 while (intserv_serv_tlen>=4) {
1324 processed = rsvp_intserv_print(ndo, obj_tptr, obj_tlen);
1325 if (processed == 0)
1326 break;
1327 obj_tlen-=processed;
1328 intserv_serv_tlen-=processed;
1329 obj_tptr+=processed;
1330 }
1331 }
1332 break;
1333 default:
1334 hexdump=TRUE;
1335 }
1336 break;
1337
1338 case RSVP_OBJ_FILTERSPEC:
1339 switch(rsvp_obj_ctype) {
1340 case RSVP_CTYPE_IPV4:
1341 if (obj_tlen < 8)
1342 return-1;
1343 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
1344 ident,
1345 ipaddr_string(ndo, obj_tptr),
1346 EXTRACT_16BITS(obj_tptr + 6)));
1347 obj_tlen-=8;
1348 obj_tptr+=8;
1349 break;
1350 case RSVP_CTYPE_IPV6:
1351 if (obj_tlen < 20)
1352 return-1;
1353 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
1354 ident,
1355 ip6addr_string(ndo, obj_tptr),
1356 EXTRACT_16BITS(obj_tptr + 18)));
1357 obj_tlen-=20;
1358 obj_tptr+=20;
1359 break;
1360 case RSVP_CTYPE_3:
1361 if (obj_tlen < 20)
1362 return-1;
1363 ND_PRINT((ndo, "%s Source Address: %s, Flow Label: %u",
1364 ident,
1365 ip6addr_string(ndo, obj_tptr),
1366 EXTRACT_24BITS(obj_tptr + 17)));
1367 obj_tlen-=20;
1368 obj_tptr+=20;
1369 break;
1370 case RSVP_CTYPE_TUNNEL_IPV6:
1371 if (obj_tlen < 20)
1372 return-1;
1373 ND_PRINT((ndo, "%s Source Address: %s, LSP-ID: 0x%04x",
1374 ident,
1375 ipaddr_string(ndo, obj_tptr),
1376 EXTRACT_16BITS(obj_tptr + 18)));
1377 obj_tlen-=20;
1378 obj_tptr+=20;
1379 break;
1380 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
1381 if (obj_tlen < 40)
1382 return-1;
1383 ND_PRINT((ndo, "%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
1384 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
1385 ident,
1386 ip6addr_string(ndo, obj_tptr),
1387 EXTRACT_16BITS(obj_tptr+18),
1388 ident,
1389 ip6addr_string(ndo, obj_tptr+20),
1390 EXTRACT_16BITS(obj_tptr + 38)));
1391 obj_tlen-=40;
1392 obj_tptr+=40;
1393 break;
1394 case RSVP_CTYPE_TUNNEL_IPV4:
1395 if (obj_tlen < 8)
1396 return-1;
1397 ND_PRINT((ndo, "%s Source Address: %s, LSP-ID: 0x%04x",
1398 ident,
1399 ipaddr_string(ndo, obj_tptr),
1400 EXTRACT_16BITS(obj_tptr + 6)));
1401 obj_tlen-=8;
1402 obj_tptr+=8;
1403 break;
1404 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
1405 if (obj_tlen < 16)
1406 return-1;
1407 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
1408 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
1409 ident,
1410 ipaddr_string(ndo, obj_tptr),
1411 EXTRACT_16BITS(obj_tptr+6),
1412 ident,
1413 ipaddr_string(ndo, obj_tptr+8),
1414 EXTRACT_16BITS(obj_tptr + 12)));
1415 obj_tlen-=16;
1416 obj_tptr+=16;
1417 break;
1418 default:
1419 hexdump=TRUE;
1420 }
1421 break;
1422
1423 case RSVP_OBJ_FASTREROUTE:
1424 /* the differences between c-type 1 and 7 are minor */
1425 obj_ptr.rsvp_obj_frr = (const struct rsvp_obj_frr_t *)obj_tptr;
1426 bw.i = EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->bandwidth);
1427
1428 switch(rsvp_obj_ctype) {
1429 case RSVP_CTYPE_1: /* new style */
1430 if (obj_tlen < sizeof(struct rsvp_obj_frr_t))
1431 return-1;
1432 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1433 ident,
1434 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1435 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1436 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1437 bw.f * 8 / 1000000));
1438 ND_PRINT((ndo, "%s Include-any: 0x%08x, Exclude-any: 0x%08x, Include-all: 0x%08x",
1439 ident,
1440 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1441 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any),
1442 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_all)));
1443 obj_tlen-=sizeof(struct rsvp_obj_frr_t);
1444 obj_tptr+=sizeof(struct rsvp_obj_frr_t);
1445 break;
1446
1447 case RSVP_CTYPE_TUNNEL_IPV4: /* old style */
1448 if (obj_tlen < 16)
1449 return-1;
1450 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1451 ident,
1452 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1453 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1454 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1455 bw.f * 8 / 1000000));
1456 ND_PRINT((ndo, "%s Include Colors: 0x%08x, Exclude Colors: 0x%08x",
1457 ident,
1458 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1459 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any)));
1460 obj_tlen-=16;
1461 obj_tptr+=16;
1462 break;
1463
1464 default:
1465 hexdump=TRUE;
1466 }
1467 break;
1468
1469 case RSVP_OBJ_DETOUR:
1470 switch(rsvp_obj_ctype) {
1471 case RSVP_CTYPE_TUNNEL_IPV4:
1472 while(obj_tlen >= 8) {
1473 ND_PRINT((ndo, "%s PLR-ID: %s, Avoid-Node-ID: %s",
1474 ident,
1475 ipaddr_string(ndo, obj_tptr),
1476 ipaddr_string(ndo, obj_tptr + 4)));
1477 obj_tlen-=8;
1478 obj_tptr+=8;
1479 }
1480 break;
1481 default:
1482 hexdump=TRUE;
1483 }
1484 break;
1485
1486 case RSVP_OBJ_CLASSTYPE:
1487 case RSVP_OBJ_CLASSTYPE_OLD: /* fall through */
1488 switch(rsvp_obj_ctype) {
1489 case RSVP_CTYPE_1:
1490 ND_PRINT((ndo, "%s CT: %u",
1491 ident,
1492 EXTRACT_32BITS(obj_tptr) & 0x7));
1493 obj_tlen-=4;
1494 obj_tptr+=4;
1495 break;
1496 default:
1497 hexdump=TRUE;
1498 }
1499 break;
1500
1501 case RSVP_OBJ_ERROR_SPEC:
1502 switch(rsvp_obj_ctype) {
1503 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1504 case RSVP_CTYPE_IPV4:
1505 if (obj_tlen < 8)
1506 return-1;
1507 error_code=*(obj_tptr+5);
1508 error_value=EXTRACT_16BITS(obj_tptr+6);
1509 ND_PRINT((ndo, "%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1510 ident,
1511 ipaddr_string(ndo, obj_tptr),
1512 *(obj_tptr+4),
1513 ident,
1514 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1515 error_code));
1516 switch (error_code) {
1517 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1518 ND_PRINT((ndo, ", Error Value: %s (%u)",
1519 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1520 error_value));
1521 break;
1522 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE: /* fall through */
1523 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD:
1524 ND_PRINT((ndo, ", Error Value: %s (%u)",
1525 tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value),
1526 error_value));
1527 break;
1528 default:
1529 ND_PRINT((ndo, ", Unknown Error Value (%u)", error_value));
1530 break;
1531 }
1532 obj_tlen-=8;
1533 obj_tptr+=8;
1534 break;
1535 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1536 case RSVP_CTYPE_IPV6:
1537 if (obj_tlen < 20)
1538 return-1;
1539 error_code=*(obj_tptr+17);
1540 error_value=EXTRACT_16BITS(obj_tptr+18);
1541 ND_PRINT((ndo, "%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1542 ident,
1543 ip6addr_string(ndo, obj_tptr),
1544 *(obj_tptr+16),
1545 ident,
1546 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1547 error_code));
1548
1549 switch (error_code) {
1550 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1551 ND_PRINT((ndo, ", Error Value: %s (%u)",
1552 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1553 error_value));
1554 break;
1555 default:
1556 break;
1557 }
1558 obj_tlen-=20;
1559 obj_tptr+=20;
1560 break;
1561 default:
1562 hexdump=TRUE;
1563 }
1564 break;
1565
1566 case RSVP_OBJ_PROPERTIES:
1567 switch(rsvp_obj_ctype) {
1568 case RSVP_CTYPE_1:
1569 if (obj_tlen < 4)
1570 return-1;
1571 padbytes = EXTRACT_16BITS(obj_tptr+2);
1572 ND_PRINT((ndo, "%s TLV count: %u, padding bytes: %u",
1573 ident,
1574 EXTRACT_16BITS(obj_tptr),
1575 padbytes));
1576 obj_tlen-=4;
1577 obj_tptr+=4;
1578 /* loop through as long there is anything longer than the TLV header (2) */
1579 while(obj_tlen >= 2 + padbytes) {
1580 ND_PRINT((ndo, "%s %s TLV (0x%02x), length: %u", /* length includes header */
1581 ident,
1582 tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
1583 *obj_tptr,
1584 *(obj_tptr + 1)));
1585 if (obj_tlen < *(obj_tptr+1))
1586 return-1;
1587 if (*(obj_tptr+1) < 2)
1588 return -1;
1589 print_unknown_data(ndo, obj_tptr + 2, "\n\t\t", *(obj_tptr + 1) - 2);
1590 obj_tlen-=*(obj_tptr+1);
1591 obj_tptr+=*(obj_tptr+1);
1592 }
1593 break;
1594 default:
1595 hexdump=TRUE;
1596 }
1597 break;
1598
1599 case RSVP_OBJ_MESSAGE_ID: /* fall through */
1600 case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */
1601 case RSVP_OBJ_MESSAGE_ID_LIST:
1602 switch(rsvp_obj_ctype) {
1603 case RSVP_CTYPE_1:
1604 case RSVP_CTYPE_2:
1605 if (obj_tlen < 8)
1606 return-1;
1607 ND_PRINT((ndo, "%s Flags [0x%02x], epoch: %u",
1608 ident,
1609 *obj_tptr,
1610 EXTRACT_24BITS(obj_tptr + 1)));
1611 obj_tlen-=4;
1612 obj_tptr+=4;
1613 /* loop through as long there are no messages left */
1614 while(obj_tlen >= 4) {
1615 ND_PRINT((ndo, "%s Message-ID 0x%08x (%u)",
1616 ident,
1617 EXTRACT_32BITS(obj_tptr),
1618 EXTRACT_32BITS(obj_tptr)));
1619 obj_tlen-=4;
1620 obj_tptr+=4;
1621 }
1622 break;
1623 default:
1624 hexdump=TRUE;
1625 }
1626 break;
1627
1628 case RSVP_OBJ_INTEGRITY:
1629 switch(rsvp_obj_ctype) {
1630 case RSVP_CTYPE_1:
1631 if (obj_tlen < sizeof(struct rsvp_obj_integrity_t))
1632 return-1;
1633 obj_ptr.rsvp_obj_integrity = (const struct rsvp_obj_integrity_t *)obj_tptr;
1634 ND_PRINT((ndo, "%s Key-ID 0x%04x%08x, Sequence 0x%08x%08x, Flags [%s]",
1635 ident,
1636 EXTRACT_16BITS(obj_ptr.rsvp_obj_integrity->key_id),
1637 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->key_id+2),
1638 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence),
1639 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence+4),
1640 bittok2str(rsvp_obj_integrity_flag_values,
1641 "none",
1642 obj_ptr.rsvp_obj_integrity->flags)));
1643 ND_PRINT((ndo, "%s MD5-sum 0x%08x%08x%08x%08x ",
1644 ident,
1645 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest),
1646 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+4),
1647 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+8),
1648 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest + 12)));
1649
1650 #ifdef HAVE_LIBCRYPTO
1651 sigcheck = signature_verify(ndo, pptr, plen, (unsigned char *)obj_ptr.\
1652 rsvp_obj_integrity->digest);
1653 #else
1654 sigcheck = CANT_CHECK_SIGNATURE;
1655 #endif
1656 ND_PRINT((ndo, " (%s)", tok2str(signature_check_values, "Unknown", sigcheck)));
1657
1658 obj_tlen+=sizeof(struct rsvp_obj_integrity_t);
1659 obj_tptr+=sizeof(struct rsvp_obj_integrity_t);
1660 break;
1661 default:
1662 hexdump=TRUE;
1663 }
1664 break;
1665
1666 case RSVP_OBJ_ADMIN_STATUS:
1667 switch(rsvp_obj_ctype) {
1668 case RSVP_CTYPE_1:
1669 if (obj_tlen < 4)
1670 return-1;
1671 ND_PRINT((ndo, "%s Flags [%s]", ident,
1672 bittok2str(rsvp_obj_admin_status_flag_values, "none",
1673 EXTRACT_32BITS(obj_tptr))));
1674 obj_tlen-=4;
1675 obj_tptr+=4;
1676 break;
1677 default:
1678 hexdump=TRUE;
1679 }
1680 break;
1681
1682 case RSVP_OBJ_LABEL_SET:
1683 switch(rsvp_obj_ctype) {
1684 case RSVP_CTYPE_1:
1685 if (obj_tlen < 4)
1686 return-1;
1687 action = (EXTRACT_16BITS(obj_tptr)>>8);
1688
1689 ND_PRINT((ndo, "%s Action: %s (%u), Label type: %u", ident,
1690 tok2str(rsvp_obj_label_set_action_values, "Unknown", action),
1691 action, ((EXTRACT_32BITS(obj_tptr) & 0x7F))));
1692
1693 switch (action) {
1694 case LABEL_SET_INCLUSIVE_RANGE:
1695 case LABEL_SET_EXCLUSIVE_RANGE: /* fall through */
1696
1697 /* only a couple of subchannels are expected */
1698 if (obj_tlen < 12)
1699 return -1;
1700 ND_PRINT((ndo, "%s Start range: %u, End range: %u", ident,
1701 EXTRACT_32BITS(obj_tptr+4),
1702 EXTRACT_32BITS(obj_tptr + 8)));
1703 obj_tlen-=12;
1704 obj_tptr+=12;
1705 break;
1706
1707 default:
1708 obj_tlen-=4;
1709 obj_tptr+=4;
1710 subchannel = 1;
1711 while(obj_tlen >= 4 ) {
1712 ND_PRINT((ndo, "%s Subchannel #%u: %u", ident, subchannel,
1713 EXTRACT_32BITS(obj_tptr)));
1714 obj_tptr+=4;
1715 obj_tlen-=4;
1716 subchannel++;
1717 }
1718 break;
1719 }
1720 break;
1721 default:
1722 hexdump=TRUE;
1723 }
1724
1725 case RSVP_OBJ_S2L:
1726 switch (rsvp_obj_ctype) {
1727 case RSVP_CTYPE_IPV4:
1728 if (obj_tlen < 4)
1729 return-1;
1730 ND_PRINT((ndo, "%s Sub-LSP destination address: %s",
1731 ident, ipaddr_string(ndo, obj_tptr)));
1732
1733 obj_tlen-=4;
1734 obj_tptr+=4;
1735 break;
1736 case RSVP_CTYPE_IPV6:
1737 if (obj_tlen < 16)
1738 return-1;
1739 ND_PRINT((ndo, "%s Sub-LSP destination address: %s",
1740 ident, ip6addr_string(ndo, obj_tptr)));
1741
1742 obj_tlen-=16;
1743 obj_tptr+=16;
1744 break;
1745 default:
1746 hexdump=TRUE;
1747 }
1748
1749 /*
1750 * FIXME those are the defined objects that lack a decoder
1751 * you are welcome to contribute code ;-)
1752 */
1753
1754 case RSVP_OBJ_SCOPE:
1755 case RSVP_OBJ_POLICY_DATA:
1756 case RSVP_OBJ_ACCEPT_LABEL_SET:
1757 case RSVP_OBJ_PROTECTION:
1758 default:
1759 if (ndo->ndo_vflag <= 1)
1760 print_unknown_data(ndo, obj_tptr, "\n\t ", obj_tlen); /* FIXME indentation */
1761 break;
1762 }
1763 /* do we also want to see a hex dump ? */
1764 if (ndo->ndo_vflag > 1 || hexdump == TRUE)
1765 print_unknown_data(ndo, tptr + sizeof(struct rsvp_object_header), "\n\t ", /* FIXME indentation */
1766 rsvp_obj_len - sizeof(struct rsvp_object_header));
1767
1768 tptr+=rsvp_obj_len;
1769 tlen-=rsvp_obj_len;
1770 }
1771 return 0;
1772 trunc:
1773 ND_PRINT((ndo, "\n\t\t packet exceeded snapshot"));
1774 return -1;
1775 }
1776
1777 void
1778 rsvp_print(netdissect_options *ndo,
1779 register const u_char *pptr, register u_int len)
1780 {
1781 struct rsvp_common_header *rsvp_com_header;
1782 const u_char *tptr,*subtptr;
1783 u_short plen, tlen, subtlen;
1784
1785 tptr=pptr;
1786
1787 rsvp_com_header = (struct rsvp_common_header *)pptr;
1788 ND_TCHECK(*rsvp_com_header);
1789
1790 /*
1791 * Sanity checking of the header.
1792 */
1793 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1794 ND_PRINT((ndo, "ERROR: RSVP version %u packet not supported",
1795 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)));
1796 return;
1797 }
1798
1799 /* in non-verbose mode just lets print the basic Message Type*/
1800 if (ndo->ndo_vflag < 1) {
1801 ND_PRINT((ndo, "RSVPv%u %s Message, length: %u",
1802 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1803 tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
1804 len));
1805 return;
1806 }
1807
1808 /* ok they seem to want to know everything - lets fully decode it */
1809
1810 plen = tlen = EXTRACT_16BITS(rsvp_com_header->length);
1811
1812 ND_PRINT((ndo, "\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1813 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1814 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1815 rsvp_com_header->msg_type,
1816 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1817 tlen,
1818 rsvp_com_header->ttl,
1819 EXTRACT_16BITS(rsvp_com_header->checksum)));
1820
1821 /*
1822 * Clear checksum prior to signature verification.
1823 */
1824 rsvp_com_header->checksum[0] = 0;
1825 rsvp_com_header->checksum[1] = 0;
1826
1827 if (tlen < sizeof(const struct rsvp_common_header)) {
1828 ND_PRINT((ndo, "ERROR: common header too short %u < %lu", tlen,
1829 (unsigned long)sizeof(const struct rsvp_common_header)));
1830 return;
1831 }
1832
1833 tptr+=sizeof(const struct rsvp_common_header);
1834 tlen-=sizeof(const struct rsvp_common_header);
1835
1836 switch(rsvp_com_header->msg_type) {
1837
1838 case RSVP_MSGTYPE_AGGREGATE:
1839 while(tlen > 0) {
1840 subtptr=tptr;
1841 rsvp_com_header = (struct rsvp_common_header *)subtptr;
1842 ND_TCHECK(*rsvp_com_header);
1843
1844 /*
1845 * Sanity checking of the header.
1846 */
1847 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1848 ND_PRINT((ndo, "ERROR: RSVP version %u packet not supported",
1849 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)));
1850 return;
1851 }
1852 subtlen=EXTRACT_16BITS(rsvp_com_header->length);
1853
1854 ND_PRINT((ndo, "\n\t RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1855 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1856 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1857 rsvp_com_header->msg_type,
1858 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1859 subtlen,
1860 rsvp_com_header->ttl,
1861 EXTRACT_16BITS(rsvp_com_header->checksum)));
1862
1863 /*
1864 * Clear checksum prior to signature verification.
1865 */
1866 rsvp_com_header->checksum[0] = 0;
1867 rsvp_com_header->checksum[1] = 0;
1868
1869 if (subtlen < sizeof(const struct rsvp_common_header)) {
1870 ND_PRINT((ndo, "ERROR: common header too short %u < %lu", subtlen,
1871 (unsigned long)sizeof(const struct rsvp_common_header)));
1872 return;
1873 }
1874
1875 if (tlen < subtlen) {
1876 ND_PRINT((ndo, "ERROR: common header too large %u > %u", subtlen,
1877 tlen));
1878 return;
1879 }
1880
1881 subtptr+=sizeof(const struct rsvp_common_header);
1882 subtlen-=sizeof(const struct rsvp_common_header);
1883
1884 if (rsvp_obj_print(ndo, pptr, plen, subtptr, "\n\t ", subtlen) == -1)
1885 return;
1886
1887 tptr+=subtlen+sizeof(const struct rsvp_common_header);
1888 tlen-=subtlen+sizeof(const struct rsvp_common_header);
1889 }
1890
1891 break;
1892
1893 case RSVP_MSGTYPE_PATH:
1894 case RSVP_MSGTYPE_RESV:
1895 case RSVP_MSGTYPE_PATHERR:
1896 case RSVP_MSGTYPE_RESVERR:
1897 case RSVP_MSGTYPE_PATHTEAR:
1898 case RSVP_MSGTYPE_RESVTEAR:
1899 case RSVP_MSGTYPE_RESVCONF:
1900 case RSVP_MSGTYPE_HELLO_OLD:
1901 case RSVP_MSGTYPE_HELLO:
1902 case RSVP_MSGTYPE_ACK:
1903 case RSVP_MSGTYPE_SREFRESH:
1904 if (rsvp_obj_print(ndo, pptr, plen, tptr, "\n\t ", tlen) == -1)
1905 return;
1906 break;
1907
1908 default:
1909 print_unknown_data(ndo, tptr, "\n\t ", tlen);
1910 break;
1911 }
1912
1913 return;
1914 trunc:
1915 ND_PRINT((ndo, "\n\t\t packet exceeded snapshot"));
1916 }
[mirror] the TCPdump network dissector