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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 <tcpdump-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 #ifdef INET6
726 case RSVP_CTYPE_IPV6:
727 if (obj_tlen < 20)
728 return -1;
729 ND_PRINT((ndo, "%s IPv6 DestAddress: %s, Protocol ID: 0x%02x",
730 ident,
731 ip6addr_string(ndo, obj_tptr),
732 *(obj_tptr + sizeof(struct in6_addr))));
733 ND_PRINT((ndo, "%s Flags: [0x%02x], DestPort %u",
734 ident,
735 *(obj_tptr+sizeof(struct in6_addr)+1),
736 EXTRACT_16BITS(obj_tptr + sizeof(struct in6_addr) + 2)));
737 obj_tlen-=20;
738 obj_tptr+=20;
739 break;
740
741 case RSVP_CTYPE_TUNNEL_IPV6:
742 if (obj_tlen < 36)
743 return -1;
744 ND_PRINT((ndo, "%s IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
745 ident,
746 ip6addr_string(ndo, obj_tptr),
747 EXTRACT_16BITS(obj_tptr+18),
748 ip6addr_string(ndo, obj_tptr + 20)));
749 obj_tlen-=36;
750 obj_tptr+=36;
751 break;
752
753 case RSVP_CTYPE_14: /* IPv6 p2mp LSP Tunnel */
754 if (obj_tlen < 26)
755 return -1;
756 ND_PRINT((ndo, "%s IPv6 P2MP LSP ID: 0x%08x, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
757 ident,
758 EXTRACT_32BITS(obj_tptr),
759 EXTRACT_16BITS(obj_tptr+6),
760 ip6addr_string(ndo, obj_tptr + 8)));
761 obj_tlen-=26;
762 obj_tptr+=26;
763 break;
764 #endif
765 case RSVP_CTYPE_13: /* IPv4 p2mp LSP Tunnel */
766 if (obj_tlen < 12)
767 return -1;
768 ND_PRINT((ndo, "%s IPv4 P2MP LSP ID: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
769 ident,
770 ipaddr_string(ndo, obj_tptr),
771 EXTRACT_16BITS(obj_tptr+6),
772 ipaddr_string(ndo, obj_tptr + 8)));
773 obj_tlen-=12;
774 obj_tptr+=12;
775 break;
776 case RSVP_CTYPE_TUNNEL_IPV4:
777 case RSVP_CTYPE_UNI_IPV4:
778 if (obj_tlen < 12)
779 return -1;
780 ND_PRINT((ndo, "%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
781 ident,
782 ipaddr_string(ndo, obj_tptr),
783 EXTRACT_16BITS(obj_tptr+6),
784 ipaddr_string(ndo, obj_tptr + 8)));
785 obj_tlen-=12;
786 obj_tptr+=12;
787 break;
788 default:
789 hexdump=TRUE;
790 }
791 break;
792
793 case RSVP_OBJ_CONFIRM:
794 switch(rsvp_obj_ctype) {
795 case RSVP_CTYPE_IPV4:
796 if (obj_tlen < sizeof(struct in_addr))
797 return -1;
798 ND_PRINT((ndo, "%s IPv4 Receiver Address: %s",
799 ident,
800 ipaddr_string(ndo, obj_tptr)));
801 obj_tlen-=sizeof(struct in_addr);
802 obj_tptr+=sizeof(struct in_addr);
803 break;
804 #ifdef INET6
805 case RSVP_CTYPE_IPV6:
806 if (obj_tlen < sizeof(struct in6_addr))
807 return -1;
808 ND_PRINT((ndo, "%s IPv6 Receiver Address: %s",
809 ident,
810 ip6addr_string(ndo, obj_tptr)));
811 obj_tlen-=sizeof(struct in6_addr);
812 obj_tptr+=sizeof(struct in6_addr);
813 break;
814 #endif
815 default:
816 hexdump=TRUE;
817 }
818 break;
819
820 case RSVP_OBJ_NOTIFY_REQ:
821 switch(rsvp_obj_ctype) {
822 case RSVP_CTYPE_IPV4:
823 if (obj_tlen < sizeof(struct in_addr))
824 return -1;
825 ND_PRINT((ndo, "%s IPv4 Notify Node Address: %s",
826 ident,
827 ipaddr_string(ndo, obj_tptr)));
828 obj_tlen-=sizeof(struct in_addr);
829 obj_tptr+=sizeof(struct in_addr);
830 break;
831 #ifdef INET6
832 case RSVP_CTYPE_IPV6:
833 if (obj_tlen < sizeof(struct in6_addr))
834 return-1;
835 ND_PRINT((ndo, "%s IPv6 Notify Node Address: %s",
836 ident,
837 ip6addr_string(ndo, obj_tptr)));
838 obj_tlen-=sizeof(struct in6_addr);
839 obj_tptr+=sizeof(struct in6_addr);
840 break;
841 #endif
842 default:
843 hexdump=TRUE;
844 }
845 break;
846
847 case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
848 case RSVP_OBJ_UPSTREAM_LABEL: /* fall through */
849 case RSVP_OBJ_RECOVERY_LABEL: /* fall through */
850 case RSVP_OBJ_LABEL:
851 switch(rsvp_obj_ctype) {
852 case RSVP_CTYPE_1:
853 while(obj_tlen >= 4 ) {
854 ND_PRINT((ndo, "%s Label: %u", ident, EXTRACT_32BITS(obj_tptr)));
855 obj_tlen-=4;
856 obj_tptr+=4;
857 }
858 break;
859 case RSVP_CTYPE_2:
860 if (obj_tlen < 4)
861 return-1;
862 ND_PRINT((ndo, "%s Generalized Label: %u",
863 ident,
864 EXTRACT_32BITS(obj_tptr)));
865 obj_tlen-=4;
866 obj_tptr+=4;
867 break;
868 case RSVP_CTYPE_3:
869 if (obj_tlen < 12)
870 return-1;
871 ND_PRINT((ndo, "%s Waveband ID: %u%s Start Label: %u, Stop Label: %u",
872 ident,
873 EXTRACT_32BITS(obj_tptr),
874 ident,
875 EXTRACT_32BITS(obj_tptr+4),
876 EXTRACT_32BITS(obj_tptr + 8)));
877 obj_tlen-=12;
878 obj_tptr+=12;
879 break;
880 default:
881 hexdump=TRUE;
882 }
883 break;
884
885 case RSVP_OBJ_STYLE:
886 switch(rsvp_obj_ctype) {
887 case RSVP_CTYPE_1:
888 if (obj_tlen < 4)
889 return-1;
890 ND_PRINT((ndo, "%s Reservation Style: %s, Flags: [0x%02x]",
891 ident,
892 tok2str(rsvp_resstyle_values,
893 "Unknown",
894 EXTRACT_24BITS(obj_tptr+1)),
895 *(obj_tptr)));
896 obj_tlen-=4;
897 obj_tptr+=4;
898 break;
899 default:
900 hexdump=TRUE;
901 }
902 break;
903
904 case RSVP_OBJ_SENDER_TEMPLATE:
905 switch(rsvp_obj_ctype) {
906 case RSVP_CTYPE_IPV4:
907 if (obj_tlen < 8)
908 return-1;
909 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
910 ident,
911 ipaddr_string(ndo, obj_tptr),
912 EXTRACT_16BITS(obj_tptr + 6)));
913 obj_tlen-=8;
914 obj_tptr+=8;
915 break;
916 #ifdef INET6
917 case RSVP_CTYPE_IPV6:
918 if (obj_tlen < 20)
919 return-1;
920 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
921 ident,
922 ip6addr_string(ndo, obj_tptr),
923 EXTRACT_16BITS(obj_tptr + 18)));
924 obj_tlen-=20;
925 obj_tptr+=20;
926 break;
927 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
928 if (obj_tlen < 40)
929 return-1;
930 ND_PRINT((ndo, "%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
931 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
932 ident,
933 ip6addr_string(ndo, obj_tptr),
934 EXTRACT_16BITS(obj_tptr+18),
935 ident,
936 ip6addr_string(ndo, obj_tptr+20),
937 EXTRACT_16BITS(obj_tptr + 38)));
938 obj_tlen-=40;
939 obj_tptr+=40;
940 break;
941 #endif
942 case RSVP_CTYPE_TUNNEL_IPV4:
943 if (obj_tlen < 8)
944 return-1;
945 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
946 ident,
947 ipaddr_string(ndo, obj_tptr),
948 EXTRACT_16BITS(obj_tptr + 6)));
949 obj_tlen-=8;
950 obj_tptr+=8;
951 break;
952 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
953 if (obj_tlen < 16)
954 return-1;
955 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
956 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
957 ident,
958 ipaddr_string(ndo, obj_tptr),
959 EXTRACT_16BITS(obj_tptr+6),
960 ident,
961 ipaddr_string(ndo, obj_tptr+8),
962 EXTRACT_16BITS(obj_tptr + 12)));
963 obj_tlen-=16;
964 obj_tptr+=16;
965 break;
966 default:
967 hexdump=TRUE;
968 }
969 break;
970
971 case RSVP_OBJ_LABEL_REQ:
972 switch(rsvp_obj_ctype) {
973 case RSVP_CTYPE_1:
974 while(obj_tlen >= 4 ) {
975 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
976 ident,
977 tok2str(ethertype_values,
978 "Unknown Protocol (0x%04x)",
979 EXTRACT_16BITS(obj_tptr + 2))));
980 obj_tlen-=4;
981 obj_tptr+=4;
982 }
983 break;
984 case RSVP_CTYPE_2:
985 if (obj_tlen < 12)
986 return-1;
987 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
988 ident,
989 tok2str(ethertype_values,
990 "Unknown Protocol (0x%04x)",
991 EXTRACT_16BITS(obj_tptr + 2))));
992 ND_PRINT((ndo, ",%s merge capability",((*(obj_tptr + 4)) & 0x80) ? "no" : "" ));
993 ND_PRINT((ndo, "%s Minimum VPI/VCI: %u/%u",
994 ident,
995 (EXTRACT_16BITS(obj_tptr+4))&0xfff,
996 (EXTRACT_16BITS(obj_tptr + 6)) & 0xfff));
997 ND_PRINT((ndo, "%s Maximum VPI/VCI: %u/%u",
998 ident,
999 (EXTRACT_16BITS(obj_tptr+8))&0xfff,
1000 (EXTRACT_16BITS(obj_tptr + 10)) & 0xfff));
1001 obj_tlen-=12;
1002 obj_tptr+=12;
1003 break;
1004 case RSVP_CTYPE_3:
1005 if (obj_tlen < 12)
1006 return-1;
1007 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
1008 ident,
1009 tok2str(ethertype_values,
1010 "Unknown Protocol (0x%04x)",
1011 EXTRACT_16BITS(obj_tptr + 2))));
1012 ND_PRINT((ndo, "%s Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI",
1013 ident,
1014 (EXTRACT_32BITS(obj_tptr+4))&0x7fffff,
1015 (EXTRACT_32BITS(obj_tptr+8))&0x7fffff,
1016 (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "",
1017 (((EXTRACT_16BITS(obj_tptr + 4) >> 7) & 3) == 2 ) ? "23" : ""));
1018 obj_tlen-=12;
1019 obj_tptr+=12;
1020 break;
1021 case RSVP_CTYPE_4:
1022 if (obj_tlen < 4)
1023 return-1;
1024 ND_PRINT((ndo, "%s LSP Encoding Type: %s (%u)",
1025 ident,
1026 tok2str(gmpls_encoding_values,
1027 "Unknown",
1028 *obj_tptr),
1029 *obj_tptr));
1030 ND_PRINT((ndo, "%s Switching Type: %s (%u), Payload ID: %s (0x%04x)",
1031 ident,
1032 tok2str(gmpls_switch_cap_values,
1033 "Unknown",
1034 *(obj_tptr+1)),
1035 *(obj_tptr+1),
1036 tok2str(gmpls_payload_values,
1037 "Unknown",
1038 EXTRACT_16BITS(obj_tptr+2)),
1039 EXTRACT_16BITS(obj_tptr + 2)));
1040 obj_tlen-=4;
1041 obj_tptr+=4;
1042 break;
1043 default:
1044 hexdump=TRUE;
1045 }
1046 break;
1047
1048 case RSVP_OBJ_RRO:
1049 case RSVP_OBJ_ERO:
1050 switch(rsvp_obj_ctype) {
1051 case RSVP_CTYPE_IPV4:
1052 while(obj_tlen >= 4 ) {
1053 ND_PRINT((ndo, "%s Subobject Type: %s, length %u",
1054 ident,
1055 tok2str(rsvp_obj_xro_values,
1056 "Unknown %u",
1057 RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)),
1058 *(obj_tptr + 1)));
1059
1060 if (*(obj_tptr+1) == 0) { /* prevent infinite loops */
1061 ND_PRINT((ndo, "%s ERROR: zero length ERO subtype", ident));
1062 break;
1063 }
1064
1065 switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) {
1066 case RSVP_OBJ_XRO_IPV4:
1067 ND_PRINT((ndo, ", %s, %s/%u, Flags: [%s]",
1068 RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
1069 ipaddr_string(ndo, obj_tptr+2),
1070 *(obj_tptr+6),
1071 bittok2str(rsvp_obj_rro_flag_values,
1072 "none",
1073 *(obj_tptr + 7)))); /* rfc3209 says that this field is rsvd. */
1074 break;
1075 case RSVP_OBJ_XRO_LABEL:
1076 ND_PRINT((ndo, ", Flags: [%s] (%#x), Class-Type: %s (%u), %u",
1077 bittok2str(rsvp_obj_rro_label_flag_values,
1078 "none",
1079 *(obj_tptr+2)),
1080 *(obj_tptr+2),
1081 tok2str(rsvp_ctype_values,
1082 "Unknown",
1083 *(obj_tptr+3) + 256*RSVP_OBJ_RRO),
1084 *(obj_tptr+3),
1085 EXTRACT_32BITS(obj_tptr + 4)));
1086 }
1087 obj_tlen-=*(obj_tptr+1);
1088 obj_tptr+=*(obj_tptr+1);
1089 }
1090 break;
1091 default:
1092 hexdump=TRUE;
1093 }
1094 break;
1095
1096 case RSVP_OBJ_HELLO:
1097 switch(rsvp_obj_ctype) {
1098 case RSVP_CTYPE_1:
1099 case RSVP_CTYPE_2:
1100 if (obj_tlen < 8)
1101 return-1;
1102 ND_PRINT((ndo, "%s Source Instance: 0x%08x, Destination Instance: 0x%08x",
1103 ident,
1104 EXTRACT_32BITS(obj_tptr),
1105 EXTRACT_32BITS(obj_tptr + 4)));
1106 obj_tlen-=8;
1107 obj_tptr+=8;
1108 break;
1109 default:
1110 hexdump=TRUE;
1111 }
1112 break;
1113
1114 case RSVP_OBJ_RESTART_CAPABILITY:
1115 switch(rsvp_obj_ctype) {
1116 case RSVP_CTYPE_1:
1117 if (obj_tlen < 8)
1118 return-1;
1119 ND_PRINT((ndo, "%s Restart Time: %ums, Recovery Time: %ums",
1120 ident,
1121 EXTRACT_32BITS(obj_tptr),
1122 EXTRACT_32BITS(obj_tptr + 4)));
1123 obj_tlen-=8;
1124 obj_tptr+=8;
1125 break;
1126 default:
1127 hexdump=TRUE;
1128 }
1129 break;
1130
1131 case RSVP_OBJ_SESSION_ATTRIBUTE:
1132 switch(rsvp_obj_ctype) {
1133 case RSVP_CTYPE_TUNNEL_IPV4:
1134 if (obj_tlen < 4)
1135 return-1;
1136 namelen = *(obj_tptr+3);
1137 if (obj_tlen < 4+namelen)
1138 return-1;
1139 ND_PRINT((ndo, "%s Session Name: ", ident));
1140 for (i = 0; i < namelen; i++)
1141 safeputchar(ndo, *(obj_tptr + 4 + i));
1142 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Flags: [%s] (%#x)",
1143 ident,
1144 (int)*obj_tptr,
1145 (int)*(obj_tptr+1),
1146 bittok2str(rsvp_session_attribute_flag_values,
1147 "none",
1148 *(obj_tptr+2)),
1149 *(obj_tptr + 2)));
1150 obj_tlen-=4+*(obj_tptr+3);
1151 obj_tptr+=4+*(obj_tptr+3);
1152 break;
1153 default:
1154 hexdump=TRUE;
1155 }
1156 break;
1157
1158 case RSVP_OBJ_GENERALIZED_UNI:
1159 switch(rsvp_obj_ctype) {
1160 int subobj_type,af,subobj_len,total_subobj_len;
1161
1162 case RSVP_CTYPE_1:
1163
1164 if (obj_tlen < 4)
1165 return-1;
1166
1167 /* read variable length subobjects */
1168 total_subobj_len = obj_tlen;
1169 while(total_subobj_len > 0) {
1170 subobj_len = EXTRACT_16BITS(obj_tptr);
1171 subobj_type = (EXTRACT_16BITS(obj_tptr+2))>>8;
1172 af = (EXTRACT_16BITS(obj_tptr+2))&0x00FF;
1173
1174 ND_PRINT((ndo, "%s Subobject Type: %s (%u), AF: %s (%u), length: %u",
1175 ident,
1176 tok2str(rsvp_obj_generalized_uni_values, "Unknown", subobj_type),
1177 subobj_type,
1178 tok2str(af_values, "Unknown", af), af,
1179 subobj_len));
1180
1181 switch(subobj_type) {
1182 case RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS:
1183 case RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS:
1184
1185 switch(af) {
1186 case AFNUM_INET:
1187 if (subobj_len < 8)
1188 return -1;
1189 ND_PRINT((ndo, "%s UNI IPv4 TNA address: %s",
1190 ident, ipaddr_string(ndo, obj_tptr + 4)));
1191 break;
1192 #ifdef INET6
1193 case AFNUM_INET6:
1194 if (subobj_len < 20)
1195 return -1;
1196 ND_PRINT((ndo, "%s UNI IPv6 TNA address: %s",
1197 ident, ip6addr_string(ndo, obj_tptr + 4)));
1198 break;
1199 #endif
1200 case AFNUM_NSAP:
1201 if (subobj_len) {
1202 /* unless we have a TLV parser lets just hexdump */
1203 hexdump=TRUE;
1204 }
1205 break;
1206 }
1207 break;
1208
1209 case RSVP_GEN_UNI_SUBOBJ_DIVERSITY:
1210 if (subobj_len) {
1211 /* unless we have a TLV parser lets just hexdump */
1212 hexdump=TRUE;
1213 }
1214 break;
1215
1216 case RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL:
1217 if (subobj_len < 16) {
1218 return -1;
1219 }
1220
1221 ND_PRINT((ndo, "%s U-bit: %x, Label type: %u, Logical port id: %u, Label: %u",
1222 ident,
1223 ((EXTRACT_32BITS(obj_tptr+4))>>31),
1224 ((EXTRACT_32BITS(obj_tptr+4))&0xFF),
1225 EXTRACT_32BITS(obj_tptr+8),
1226 EXTRACT_32BITS(obj_tptr + 12)));
1227 break;
1228
1229 case RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL:
1230 if (subobj_len < 8) {
1231 return -1;
1232 }
1233
1234 ND_PRINT((ndo, "%s Service level: %u",
1235 ident, (EXTRACT_32BITS(obj_tptr + 4)) >> 24));
1236 break;
1237
1238 default:
1239 hexdump=TRUE;
1240 break;
1241 }
1242 total_subobj_len-=subobj_len;
1243 obj_tptr+=subobj_len;
1244 obj_tlen+=subobj_len;
1245 }
1246
1247 if (total_subobj_len) {
1248 /* unless we have a TLV parser lets just hexdump */
1249 hexdump=TRUE;
1250 }
1251 break;
1252
1253 default:
1254 hexdump=TRUE;
1255 }
1256 break;
1257
1258 case RSVP_OBJ_RSVP_HOP:
1259 switch(rsvp_obj_ctype) {
1260 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1261 case RSVP_CTYPE_IPV4:
1262 if (obj_tlen < 8)
1263 return-1;
1264 ND_PRINT((ndo, "%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1265 ident,
1266 ipaddr_string(ndo, obj_tptr),
1267 EXTRACT_32BITS(obj_tptr + 4)));
1268 obj_tlen-=8;
1269 obj_tptr+=8;
1270 if (obj_tlen)
1271 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1272 break;
1273 #ifdef INET6
1274 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1275 case RSVP_CTYPE_IPV6:
1276 if (obj_tlen < 20)
1277 return-1;
1278 ND_PRINT((ndo, "%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1279 ident,
1280 ip6addr_string(ndo, obj_tptr),
1281 EXTRACT_32BITS(obj_tptr + 16)));
1282 obj_tlen-=20;
1283 obj_tptr+=20;
1284 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1285 break;
1286 #endif
1287 default:
1288 hexdump=TRUE;
1289 }
1290 break;
1291
1292 case RSVP_OBJ_TIME_VALUES:
1293 switch(rsvp_obj_ctype) {
1294 case RSVP_CTYPE_1:
1295 if (obj_tlen < 4)
1296 return-1;
1297 ND_PRINT((ndo, "%s Refresh Period: %ums",
1298 ident,
1299 EXTRACT_32BITS(obj_tptr)));
1300 obj_tlen-=4;
1301 obj_tptr+=4;
1302 break;
1303 default:
1304 hexdump=TRUE;
1305 }
1306 break;
1307
1308 /* those three objects do share the same semantics */
1309 case RSVP_OBJ_SENDER_TSPEC:
1310 case RSVP_OBJ_ADSPEC:
1311 case RSVP_OBJ_FLOWSPEC:
1312 switch(rsvp_obj_ctype) {
1313 case RSVP_CTYPE_2:
1314 if (obj_tlen < 4)
1315 return-1;
1316 ND_PRINT((ndo, "%s Msg-Version: %u, length: %u",
1317 ident,
1318 (*obj_tptr & 0xf0) >> 4,
1319 EXTRACT_16BITS(obj_tptr + 2) << 2));
1320 obj_tptr+=4; /* get to the start of the service header */
1321 obj_tlen-=4;
1322
1323 while (obj_tlen >= 4) {
1324 intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
1325 ND_PRINT((ndo, "%s Service Type: %s (%u), break bit %s set, Service length: %u",
1326 ident,
1327 tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)),
1328 *(obj_tptr),
1329 (*(obj_tptr+1)&0x80) ? "" : "not",
1330 intserv_serv_tlen));
1331
1332 obj_tptr+=4; /* get to the start of the parameter list */
1333 obj_tlen-=4;
1334
1335 while (intserv_serv_tlen>=4) {
1336 processed = rsvp_intserv_print(ndo, obj_tptr, obj_tlen);
1337 if (processed == 0)
1338 break;
1339 obj_tlen-=processed;
1340 intserv_serv_tlen-=processed;
1341 obj_tptr+=processed;
1342 }
1343 }
1344 break;
1345 default:
1346 hexdump=TRUE;
1347 }
1348 break;
1349
1350 case RSVP_OBJ_FILTERSPEC:
1351 switch(rsvp_obj_ctype) {
1352 case RSVP_CTYPE_IPV4:
1353 if (obj_tlen < 8)
1354 return-1;
1355 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
1356 ident,
1357 ipaddr_string(ndo, obj_tptr),
1358 EXTRACT_16BITS(obj_tptr + 6)));
1359 obj_tlen-=8;
1360 obj_tptr+=8;
1361 break;
1362 #ifdef INET6
1363 case RSVP_CTYPE_IPV6:
1364 if (obj_tlen < 20)
1365 return-1;
1366 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
1367 ident,
1368 ip6addr_string(ndo, obj_tptr),
1369 EXTRACT_16BITS(obj_tptr + 18)));
1370 obj_tlen-=20;
1371 obj_tptr+=20;
1372 break;
1373 case RSVP_CTYPE_3:
1374 if (obj_tlen < 20)
1375 return-1;
1376 ND_PRINT((ndo, "%s Source Address: %s, Flow Label: %u",
1377 ident,
1378 ip6addr_string(ndo, obj_tptr),
1379 EXTRACT_24BITS(obj_tptr + 17)));
1380 obj_tlen-=20;
1381 obj_tptr+=20;
1382 break;
1383 case RSVP_CTYPE_TUNNEL_IPV6:
1384 if (obj_tlen < 20)
1385 return-1;
1386 ND_PRINT((ndo, "%s Source Address: %s, LSP-ID: 0x%04x",
1387 ident,
1388 ipaddr_string(ndo, obj_tptr),
1389 EXTRACT_16BITS(obj_tptr + 18)));
1390 obj_tlen-=20;
1391 obj_tptr+=20;
1392 break;
1393 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
1394 if (obj_tlen < 40)
1395 return-1;
1396 ND_PRINT((ndo, "%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
1397 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
1398 ident,
1399 ip6addr_string(ndo, obj_tptr),
1400 EXTRACT_16BITS(obj_tptr+18),
1401 ident,
1402 ip6addr_string(ndo, obj_tptr+20),
1403 EXTRACT_16BITS(obj_tptr + 38)));
1404 obj_tlen-=40;
1405 obj_tptr+=40;
1406 break;
1407 #endif
1408 case RSVP_CTYPE_TUNNEL_IPV4:
1409 if (obj_tlen < 8)
1410 return-1;
1411 ND_PRINT((ndo, "%s Source Address: %s, LSP-ID: 0x%04x",
1412 ident,
1413 ipaddr_string(ndo, obj_tptr),
1414 EXTRACT_16BITS(obj_tptr + 6)));
1415 obj_tlen-=8;
1416 obj_tptr+=8;
1417 break;
1418 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
1419 if (obj_tlen < 16)
1420 return-1;
1421 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
1422 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
1423 ident,
1424 ipaddr_string(ndo, obj_tptr),
1425 EXTRACT_16BITS(obj_tptr+6),
1426 ident,
1427 ipaddr_string(ndo, obj_tptr+8),
1428 EXTRACT_16BITS(obj_tptr + 12)));
1429 obj_tlen-=16;
1430 obj_tptr+=16;
1431 break;
1432 default:
1433 hexdump=TRUE;
1434 }
1435 break;
1436
1437 case RSVP_OBJ_FASTREROUTE:
1438 /* the differences between c-type 1 and 7 are minor */
1439 obj_ptr.rsvp_obj_frr = (const struct rsvp_obj_frr_t *)obj_tptr;
1440 bw.i = EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->bandwidth);
1441
1442 switch(rsvp_obj_ctype) {
1443 case RSVP_CTYPE_1: /* new style */
1444 if (obj_tlen < sizeof(struct rsvp_obj_frr_t))
1445 return-1;
1446 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1447 ident,
1448 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1449 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1450 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1451 bw.f * 8 / 1000000));
1452 ND_PRINT((ndo, "%s Include-any: 0x%08x, Exclude-any: 0x%08x, Include-all: 0x%08x",
1453 ident,
1454 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1455 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any),
1456 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_all)));
1457 obj_tlen-=sizeof(struct rsvp_obj_frr_t);
1458 obj_tptr+=sizeof(struct rsvp_obj_frr_t);
1459 break;
1460
1461 case RSVP_CTYPE_TUNNEL_IPV4: /* old style */
1462 if (obj_tlen < 16)
1463 return-1;
1464 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1465 ident,
1466 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1467 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1468 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1469 bw.f * 8 / 1000000));
1470 ND_PRINT((ndo, "%s Include Colors: 0x%08x, Exclude Colors: 0x%08x",
1471 ident,
1472 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1473 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any)));
1474 obj_tlen-=16;
1475 obj_tptr+=16;
1476 break;
1477
1478 default:
1479 hexdump=TRUE;
1480 }
1481 break;
1482
1483 case RSVP_OBJ_DETOUR:
1484 switch(rsvp_obj_ctype) {
1485 case RSVP_CTYPE_TUNNEL_IPV4:
1486 while(obj_tlen >= 8) {
1487 ND_PRINT((ndo, "%s PLR-ID: %s, Avoid-Node-ID: %s",
1488 ident,
1489 ipaddr_string(ndo, obj_tptr),
1490 ipaddr_string(ndo, obj_tptr + 4)));
1491 obj_tlen-=8;
1492 obj_tptr+=8;
1493 }
1494 break;
1495 default:
1496 hexdump=TRUE;
1497 }
1498 break;
1499
1500 case RSVP_OBJ_CLASSTYPE:
1501 case RSVP_OBJ_CLASSTYPE_OLD: /* fall through */
1502 switch(rsvp_obj_ctype) {
1503 case RSVP_CTYPE_1:
1504 ND_PRINT((ndo, "%s CT: %u",
1505 ident,
1506 EXTRACT_32BITS(obj_tptr) & 0x7));
1507 obj_tlen-=4;
1508 obj_tptr+=4;
1509 break;
1510 default:
1511 hexdump=TRUE;
1512 }
1513 break;
1514
1515 case RSVP_OBJ_ERROR_SPEC:
1516 switch(rsvp_obj_ctype) {
1517 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1518 case RSVP_CTYPE_IPV4:
1519 if (obj_tlen < 8)
1520 return-1;
1521 error_code=*(obj_tptr+5);
1522 error_value=EXTRACT_16BITS(obj_tptr+6);
1523 ND_PRINT((ndo, "%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1524 ident,
1525 ipaddr_string(ndo, obj_tptr),
1526 *(obj_tptr+4),
1527 ident,
1528 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1529 error_code));
1530 switch (error_code) {
1531 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1532 ND_PRINT((ndo, ", Error Value: %s (%u)",
1533 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1534 error_value));
1535 break;
1536 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE: /* fall through */
1537 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD:
1538 ND_PRINT((ndo, ", Error Value: %s (%u)",
1539 tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value),
1540 error_value));
1541 break;
1542 default:
1543 ND_PRINT((ndo, ", Unknown Error Value (%u)", error_value));
1544 break;
1545 }
1546 obj_tlen-=8;
1547 obj_tptr+=8;
1548 break;
1549 #ifdef INET6
1550 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1551 case RSVP_CTYPE_IPV6:
1552 if (obj_tlen < 20)
1553 return-1;
1554 error_code=*(obj_tptr+17);
1555 error_value=EXTRACT_16BITS(obj_tptr+18);
1556 ND_PRINT((ndo, "%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1557 ident,
1558 ip6addr_string(ndo, obj_tptr),
1559 *(obj_tptr+16),
1560 ident,
1561 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1562 error_code));
1563
1564 switch (error_code) {
1565 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1566 ND_PRINT((ndo, ", Error Value: %s (%u)",
1567 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1568 error_value));
1569 break;
1570 default:
1571 break;
1572 }
1573 obj_tlen-=20;
1574 obj_tptr+=20;
1575 break;
1576 #endif
1577 default:
1578 hexdump=TRUE;
1579 }
1580 break;
1581
1582 case RSVP_OBJ_PROPERTIES:
1583 switch(rsvp_obj_ctype) {
1584 case RSVP_CTYPE_1:
1585 if (obj_tlen < 4)
1586 return-1;
1587 padbytes = EXTRACT_16BITS(obj_tptr+2);
1588 ND_PRINT((ndo, "%s TLV count: %u, padding bytes: %u",
1589 ident,
1590 EXTRACT_16BITS(obj_tptr),
1591 padbytes));
1592 obj_tlen-=4;
1593 obj_tptr+=4;
1594 /* loop through as long there is anything longer than the TLV header (2) */
1595 while(obj_tlen >= 2 + padbytes) {
1596 ND_PRINT((ndo, "%s %s TLV (0x%02x), length: %u", /* length includes header */
1597 ident,
1598 tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
1599 *obj_tptr,
1600 *(obj_tptr + 1)));
1601 if (obj_tlen < *(obj_tptr+1))
1602 return-1;
1603 if (*(obj_tptr+1) < 2)
1604 return -1;
1605 print_unknown_data(ndo, obj_tptr + 2, "\n\t\t", *(obj_tptr + 1) - 2);
1606 obj_tlen-=*(obj_tptr+1);
1607 obj_tptr+=*(obj_tptr+1);
1608 }
1609 break;
1610 default:
1611 hexdump=TRUE;
1612 }
1613 break;
1614
1615 case RSVP_OBJ_MESSAGE_ID: /* fall through */
1616 case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */
1617 case RSVP_OBJ_MESSAGE_ID_LIST:
1618 switch(rsvp_obj_ctype) {
1619 case RSVP_CTYPE_1:
1620 case RSVP_CTYPE_2:
1621 if (obj_tlen < 8)
1622 return-1;
1623 ND_PRINT((ndo, "%s Flags [0x%02x], epoch: %u",
1624 ident,
1625 *obj_tptr,
1626 EXTRACT_24BITS(obj_tptr + 1)));
1627 obj_tlen-=4;
1628 obj_tptr+=4;
1629 /* loop through as long there are no messages left */
1630 while(obj_tlen >= 4) {
1631 ND_PRINT((ndo, "%s Message-ID 0x%08x (%u)",
1632 ident,
1633 EXTRACT_32BITS(obj_tptr),
1634 EXTRACT_32BITS(obj_tptr)));
1635 obj_tlen-=4;
1636 obj_tptr+=4;
1637 }
1638 break;
1639 default:
1640 hexdump=TRUE;
1641 }
1642 break;
1643
1644 case RSVP_OBJ_INTEGRITY:
1645 switch(rsvp_obj_ctype) {
1646 case RSVP_CTYPE_1:
1647 if (obj_tlen < sizeof(struct rsvp_obj_integrity_t))
1648 return-1;
1649 obj_ptr.rsvp_obj_integrity = (const struct rsvp_obj_integrity_t *)obj_tptr;
1650 ND_PRINT((ndo, "%s Key-ID 0x%04x%08x, Sequence 0x%08x%08x, Flags [%s]",
1651 ident,
1652 EXTRACT_16BITS(obj_ptr.rsvp_obj_integrity->key_id),
1653 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->key_id+2),
1654 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence),
1655 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence+4),
1656 bittok2str(rsvp_obj_integrity_flag_values,
1657 "none",
1658 obj_ptr.rsvp_obj_integrity->flags)));
1659 ND_PRINT((ndo, "%s MD5-sum 0x%08x%08x%08x%08x ",
1660 ident,
1661 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest),
1662 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+4),
1663 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+8),
1664 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest + 12)));
1665
1666 #ifdef HAVE_LIBCRYPTO
1667 sigcheck = signature_verify(ndo, pptr, plen, (unsigned char *)obj_ptr.\
1668 rsvp_obj_integrity->digest);
1669 #else
1670 sigcheck = CANT_CHECK_SIGNATURE;
1671 #endif
1672 ND_PRINT((ndo, " (%s)", tok2str(signature_check_values, "Unknown", sigcheck)));
1673
1674 obj_tlen+=sizeof(struct rsvp_obj_integrity_t);
1675 obj_tptr+=sizeof(struct rsvp_obj_integrity_t);
1676 break;
1677 default:
1678 hexdump=TRUE;
1679 }
1680 break;
1681
1682 case RSVP_OBJ_ADMIN_STATUS:
1683 switch(rsvp_obj_ctype) {
1684 case RSVP_CTYPE_1:
1685 if (obj_tlen < 4)
1686 return-1;
1687 ND_PRINT((ndo, "%s Flags [%s]", ident,
1688 bittok2str(rsvp_obj_admin_status_flag_values, "none",
1689 EXTRACT_32BITS(obj_tptr))));
1690 obj_tlen-=4;
1691 obj_tptr+=4;
1692 break;
1693 default:
1694 hexdump=TRUE;
1695 }
1696 break;
1697
1698 case RSVP_OBJ_LABEL_SET:
1699 switch(rsvp_obj_ctype) {
1700 case RSVP_CTYPE_1:
1701 if (obj_tlen < 4)
1702 return-1;
1703 action = (EXTRACT_16BITS(obj_tptr)>>8);
1704
1705 ND_PRINT((ndo, "%s Action: %s (%u), Label type: %u", ident,
1706 tok2str(rsvp_obj_label_set_action_values, "Unknown", action),
1707 action, ((EXTRACT_32BITS(obj_tptr) & 0x7F))));
1708
1709 switch (action) {
1710 case LABEL_SET_INCLUSIVE_RANGE:
1711 case LABEL_SET_EXCLUSIVE_RANGE: /* fall through */
1712
1713 /* only a couple of subchannels are expected */
1714 if (obj_tlen < 12)
1715 return -1;
1716 ND_PRINT((ndo, "%s Start range: %u, End range: %u", ident,
1717 EXTRACT_32BITS(obj_tptr+4),
1718 EXTRACT_32BITS(obj_tptr + 8)));
1719 obj_tlen-=12;
1720 obj_tptr+=12;
1721 break;
1722
1723 default:
1724 obj_tlen-=4;
1725 obj_tptr+=4;
1726 subchannel = 1;
1727 while(obj_tlen >= 4 ) {
1728 ND_PRINT((ndo, "%s Subchannel #%u: %u", ident, subchannel,
1729 EXTRACT_32BITS(obj_tptr)));
1730 obj_tptr+=4;
1731 obj_tlen-=4;
1732 subchannel++;
1733 }
1734 break;
1735 }
1736 break;
1737 default:
1738 hexdump=TRUE;
1739 }
1740
1741 case RSVP_OBJ_S2L:
1742 switch (rsvp_obj_ctype) {
1743 case RSVP_CTYPE_IPV4:
1744 if (obj_tlen < 4)
1745 return-1;
1746 ND_PRINT((ndo, "%s Sub-LSP destination address: %s",
1747 ident, ipaddr_string(ndo, obj_tptr)));
1748
1749 obj_tlen-=4;
1750 obj_tptr+=4;
1751 break;
1752 #ifdef INET6
1753 case RSVP_CTYPE_IPV6:
1754 if (obj_tlen < 16)
1755 return-1;
1756 ND_PRINT((ndo, "%s Sub-LSP destination address: %s",
1757 ident, ip6addr_string(ndo, obj_tptr)));
1758
1759 obj_tlen-=16;
1760 obj_tptr+=16;
1761 break;
1762 #endif
1763 default:
1764 hexdump=TRUE;
1765 }
1766
1767 /*
1768 * FIXME those are the defined objects that lack a decoder
1769 * you are welcome to contribute code ;-)
1770 */
1771
1772 case RSVP_OBJ_SCOPE:
1773 case RSVP_OBJ_POLICY_DATA:
1774 case RSVP_OBJ_ACCEPT_LABEL_SET:
1775 case RSVP_OBJ_PROTECTION:
1776 default:
1777 if (ndo->ndo_vflag <= 1)
1778 print_unknown_data(ndo, obj_tptr, "\n\t ", obj_tlen); /* FIXME indentation */
1779 break;
1780 }
1781 /* do we also want to see a hex dump ? */
1782 if (ndo->ndo_vflag > 1 || hexdump == TRUE)
1783 print_unknown_data(ndo, tptr + sizeof(struct rsvp_object_header), "\n\t ", /* FIXME indentation */
1784 rsvp_obj_len - sizeof(struct rsvp_object_header));
1785
1786 tptr+=rsvp_obj_len;
1787 tlen-=rsvp_obj_len;
1788 }
1789 return 0;
1790 trunc:
1791 ND_PRINT((ndo, "\n\t\t packet exceeded snapshot"));
1792 return -1;
1793 }
1794
1795 void
1796 rsvp_print(netdissect_options *ndo,
1797 register const u_char *pptr, register u_int len)
1798 {
1799 struct rsvp_common_header *rsvp_com_header;
1800 const u_char *tptr,*subtptr;
1801 u_short plen, tlen, subtlen;
1802
1803 tptr=pptr;
1804
1805 rsvp_com_header = (struct rsvp_common_header *)pptr;
1806 ND_TCHECK(*rsvp_com_header);
1807
1808 /*
1809 * Sanity checking of the header.
1810 */
1811 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1812 ND_PRINT((ndo, "ERROR: RSVP version %u packet not supported",
1813 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)));
1814 return;
1815 }
1816
1817 /* in non-verbose mode just lets print the basic Message Type*/
1818 if (ndo->ndo_vflag < 1) {
1819 ND_PRINT((ndo, "RSVPv%u %s Message, length: %u",
1820 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1821 tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
1822 len));
1823 return;
1824 }
1825
1826 /* ok they seem to want to know everything - lets fully decode it */
1827
1828 plen = tlen = EXTRACT_16BITS(rsvp_com_header->length);
1829
1830 ND_PRINT((ndo, "\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1831 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1832 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1833 rsvp_com_header->msg_type,
1834 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1835 tlen,
1836 rsvp_com_header->ttl,
1837 EXTRACT_16BITS(rsvp_com_header->checksum)));
1838
1839 /*
1840 * Clear checksum prior to signature verification.
1841 */
1842 rsvp_com_header->checksum[0] = 0;
1843 rsvp_com_header->checksum[1] = 0;
1844
1845 if (tlen < sizeof(const struct rsvp_common_header)) {
1846 ND_PRINT((ndo, "ERROR: common header too short %u < %lu", tlen,
1847 (unsigned long)sizeof(const struct rsvp_common_header)));
1848 return;
1849 }
1850
1851 tptr+=sizeof(const struct rsvp_common_header);
1852 tlen-=sizeof(const struct rsvp_common_header);
1853
1854 switch(rsvp_com_header->msg_type) {
1855
1856 case RSVP_MSGTYPE_AGGREGATE:
1857 while(tlen > 0) {
1858 subtptr=tptr;
1859 rsvp_com_header = (struct rsvp_common_header *)subtptr;
1860 ND_TCHECK(*rsvp_com_header);
1861
1862 /*
1863 * Sanity checking of the header.
1864 */
1865 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1866 ND_PRINT((ndo, "ERROR: RSVP version %u packet not supported",
1867 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)));
1868 return;
1869 }
1870 subtlen=EXTRACT_16BITS(rsvp_com_header->length);
1871
1872 ND_PRINT((ndo, "\n\t RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1873 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1874 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1875 rsvp_com_header->msg_type,
1876 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1877 subtlen,
1878 rsvp_com_header->ttl,
1879 EXTRACT_16BITS(rsvp_com_header->checksum)));
1880
1881 /*
1882 * Clear checksum prior to signature verification.
1883 */
1884 rsvp_com_header->checksum[0] = 0;
1885 rsvp_com_header->checksum[1] = 0;
1886
1887 if (subtlen < sizeof(const struct rsvp_common_header)) {
1888 ND_PRINT((ndo, "ERROR: common header too short %u < %lu", subtlen,
1889 (unsigned long)sizeof(const struct rsvp_common_header)));
1890 return;
1891 }
1892
1893 if (tlen < subtlen) {
1894 ND_PRINT((ndo, "ERROR: common header too large %u > %u", subtlen,
1895 tlen));
1896 return;
1897 }
1898
1899 subtptr+=sizeof(const struct rsvp_common_header);
1900 subtlen-=sizeof(const struct rsvp_common_header);
1901
1902 if (rsvp_obj_print(ndo, pptr, plen, subtptr, "\n\t ", subtlen) == -1)
1903 return;
1904
1905 tptr+=subtlen+sizeof(const struct rsvp_common_header);
1906 tlen-=subtlen+sizeof(const struct rsvp_common_header);
1907 }
1908
1909 break;
1910
1911 case RSVP_MSGTYPE_PATH:
1912 case RSVP_MSGTYPE_RESV:
1913 case RSVP_MSGTYPE_PATHERR:
1914 case RSVP_MSGTYPE_RESVERR:
1915 case RSVP_MSGTYPE_PATHTEAR:
1916 case RSVP_MSGTYPE_RESVTEAR:
1917 case RSVP_MSGTYPE_RESVCONF:
1918 case RSVP_MSGTYPE_HELLO_OLD:
1919 case RSVP_MSGTYPE_HELLO:
1920 case RSVP_MSGTYPE_ACK:
1921 case RSVP_MSGTYPE_SREFRESH:
1922 if (rsvp_obj_print(ndo, pptr, plen, tptr, "\n\t ", tlen) == -1)
1923 return;
1924 break;
1925
1926 default:
1927 print_unknown_data(ndo, tptr, "\n\t ", tlen);
1928 break;
1929 }
1930
1931 return;
1932 trunc:
1933 ND_PRINT((ndo, "\n\t\t packet exceeded snapshot"));
1934 }
[mirror] the TCPdump network dissector