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Fix the pcap version in tests/cve2015-0261-crash.pcap
[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 #define NETDISSECT_REWORKED
19 #ifdef HAVE_CONFIG_H
20 #include "config.h"
21 #endif
22
23 #include <tcpdump-stdinc.h>
24
25 #include "interface.h"
26 #include "extract.h"
27 #include "addrtoname.h"
28 #include "ethertype.h"
29 #include "gmpls.h"
30 #include "af.h"
31 #include "signature.h"
32
33 static const char tstr[] = " [|rsvp]";
34 static const char istr[] = " (invalid)";
35
36 /*
37 * RFC 2205 common header
38 *
39 * 0 1 2 3
40 * +-------------+-------------+-------------+-------------+
41 * | Vers | Flags| Msg Type | RSVP Checksum |
42 * +-------------+-------------+-------------+-------------+
43 * | Send_TTL | (Reserved) | RSVP Length |
44 * +-------------+-------------+-------------+-------------+
45 *
46 */
47
48 struct rsvp_common_header {
49 uint8_t version_flags;
50 uint8_t msg_type;
51 uint8_t checksum[2];
52 uint8_t ttl;
53 uint8_t reserved;
54 uint8_t length[2];
55 };
56
57 /*
58 * RFC2205 object header
59 *
60 *
61 * 0 1 2 3
62 * +-------------+-------------+-------------+-------------+
63 * | Length (bytes) | Class-Num | C-Type |
64 * +-------------+-------------+-------------+-------------+
65 * | |
66 * // (Object contents) //
67 * | |
68 * +-------------+-------------+-------------+-------------+
69 */
70
71 struct rsvp_object_header {
72 uint8_t length[2];
73 uint8_t class_num;
74 uint8_t ctype;
75 };
76
77 #define RSVP_VERSION 1
78 #define RSVP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
79 #define RSVP_EXTRACT_FLAGS(x) ((x)&0x0f)
80
81 #define RSVP_MSGTYPE_PATH 1
82 #define RSVP_MSGTYPE_RESV 2
83 #define RSVP_MSGTYPE_PATHERR 3
84 #define RSVP_MSGTYPE_RESVERR 4
85 #define RSVP_MSGTYPE_PATHTEAR 5
86 #define RSVP_MSGTYPE_RESVTEAR 6
87 #define RSVP_MSGTYPE_RESVCONF 7
88 #define RSVP_MSGTYPE_AGGREGATE 12
89 #define RSVP_MSGTYPE_ACK 13
90 #define RSVP_MSGTYPE_HELLO_OLD 14 /* ancient Hellos */
91 #define RSVP_MSGTYPE_SREFRESH 15
92 #define RSVP_MSGTYPE_HELLO 20
93
94 static const struct tok rsvp_msg_type_values[] = {
95 { RSVP_MSGTYPE_PATH, "Path" },
96 { RSVP_MSGTYPE_RESV, "Resv" },
97 { RSVP_MSGTYPE_PATHERR, "PathErr" },
98 { RSVP_MSGTYPE_RESVERR, "ResvErr" },
99 { RSVP_MSGTYPE_PATHTEAR, "PathTear" },
100 { RSVP_MSGTYPE_RESVTEAR, "ResvTear" },
101 { RSVP_MSGTYPE_RESVCONF, "ResvConf" },
102 { RSVP_MSGTYPE_AGGREGATE, "Aggregate" },
103 { RSVP_MSGTYPE_ACK, "Acknowledgement" },
104 { RSVP_MSGTYPE_HELLO_OLD, "Hello (Old)" },
105 { RSVP_MSGTYPE_SREFRESH, "Refresh" },
106 { RSVP_MSGTYPE_HELLO, "Hello" },
107 { 0, NULL}
108 };
109
110 static const struct tok rsvp_header_flag_values[] = {
111 { 0x01, "Refresh reduction capable" }, /* rfc2961 */
112 { 0, NULL}
113 };
114
115 #define RSVP_OBJ_SESSION 1 /* rfc2205 */
116 #define RSVP_OBJ_RSVP_HOP 3 /* rfc2205, rfc3473 */
117 #define RSVP_OBJ_INTEGRITY 4 /* rfc2747 */
118 #define RSVP_OBJ_TIME_VALUES 5 /* rfc2205 */
119 #define RSVP_OBJ_ERROR_SPEC 6
120 #define RSVP_OBJ_SCOPE 7
121 #define RSVP_OBJ_STYLE 8 /* rfc2205 */
122 #define RSVP_OBJ_FLOWSPEC 9 /* rfc2215 */
123 #define RSVP_OBJ_FILTERSPEC 10 /* rfc2215 */
124 #define RSVP_OBJ_SENDER_TEMPLATE 11
125 #define RSVP_OBJ_SENDER_TSPEC 12 /* rfc2215 */
126 #define RSVP_OBJ_ADSPEC 13 /* rfc2215 */
127 #define RSVP_OBJ_POLICY_DATA 14
128 #define RSVP_OBJ_CONFIRM 15 /* rfc2205 */
129 #define RSVP_OBJ_LABEL 16 /* rfc3209 */
130 #define RSVP_OBJ_LABEL_REQ 19 /* rfc3209 */
131 #define RSVP_OBJ_ERO 20 /* rfc3209 */
132 #define RSVP_OBJ_RRO 21 /* rfc3209 */
133 #define RSVP_OBJ_HELLO 22 /* rfc3209 */
134 #define RSVP_OBJ_MESSAGE_ID 23 /* rfc2961 */
135 #define RSVP_OBJ_MESSAGE_ID_ACK 24 /* rfc2961 */
136 #define RSVP_OBJ_MESSAGE_ID_LIST 25 /* rfc2961 */
137 #define RSVP_OBJ_RECOVERY_LABEL 34 /* rfc3473 */
138 #define RSVP_OBJ_UPSTREAM_LABEL 35 /* rfc3473 */
139 #define RSVP_OBJ_LABEL_SET 36 /* rfc3473 */
140 #define RSVP_OBJ_PROTECTION 37 /* rfc3473 */
141 #define RSVP_OBJ_S2L 50 /* rfc4875 */
142 #define RSVP_OBJ_DETOUR 63 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */
143 #define RSVP_OBJ_CLASSTYPE 66 /* rfc4124 */
144 #define RSVP_OBJ_CLASSTYPE_OLD 125 /* draft-ietf-tewg-diff-te-proto-07 */
145 #define RSVP_OBJ_SUGGESTED_LABEL 129 /* rfc3473 */
146 #define RSVP_OBJ_ACCEPT_LABEL_SET 130 /* rfc3473 */
147 #define RSVP_OBJ_RESTART_CAPABILITY 131 /* rfc3473 */
148 #define RSVP_OBJ_NOTIFY_REQ 195 /* rfc3473 */
149 #define RSVP_OBJ_ADMIN_STATUS 196 /* rfc3473 */
150 #define RSVP_OBJ_PROPERTIES 204 /* juniper proprietary */
151 #define RSVP_OBJ_FASTREROUTE 205 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */
152 #define RSVP_OBJ_SESSION_ATTRIBUTE 207 /* rfc3209 */
153 #define RSVP_OBJ_GENERALIZED_UNI 229 /* OIF RSVP extensions UNI 1.0 Signaling, Rel. 2 */
154 #define RSVP_OBJ_CALL_ID 230 /* rfc3474 */
155 #define RSVP_OBJ_CALL_OPS 236 /* rfc3474 */
156
157 static const struct tok rsvp_obj_values[] = {
158 { RSVP_OBJ_SESSION, "Session" },
159 { RSVP_OBJ_RSVP_HOP, "RSVP Hop" },
160 { RSVP_OBJ_INTEGRITY, "Integrity" },
161 { RSVP_OBJ_TIME_VALUES, "Time Values" },
162 { RSVP_OBJ_ERROR_SPEC, "Error Spec" },
163 { RSVP_OBJ_SCOPE, "Scope" },
164 { RSVP_OBJ_STYLE, "Style" },
165 { RSVP_OBJ_FLOWSPEC, "Flowspec" },
166 { RSVP_OBJ_FILTERSPEC, "FilterSpec" },
167 { RSVP_OBJ_SENDER_TEMPLATE, "Sender Template" },
168 { RSVP_OBJ_SENDER_TSPEC, "Sender TSpec" },
169 { RSVP_OBJ_ADSPEC, "Adspec" },
170 { RSVP_OBJ_POLICY_DATA, "Policy Data" },
171 { RSVP_OBJ_CONFIRM, "Confirm" },
172 { RSVP_OBJ_LABEL, "Label" },
173 { RSVP_OBJ_LABEL_REQ, "Label Request" },
174 { RSVP_OBJ_ERO, "ERO" },
175 { RSVP_OBJ_RRO, "RRO" },
176 { RSVP_OBJ_HELLO, "Hello" },
177 { RSVP_OBJ_MESSAGE_ID, "Message ID" },
178 { RSVP_OBJ_MESSAGE_ID_ACK, "Message ID Ack" },
179 { RSVP_OBJ_MESSAGE_ID_LIST, "Message ID List" },
180 { RSVP_OBJ_RECOVERY_LABEL, "Recovery Label" },
181 { RSVP_OBJ_UPSTREAM_LABEL, "Upstream Label" },
182 { RSVP_OBJ_LABEL_SET, "Label Set" },
183 { RSVP_OBJ_ACCEPT_LABEL_SET, "Acceptable Label Set" },
184 { RSVP_OBJ_DETOUR, "Detour" },
185 { RSVP_OBJ_CLASSTYPE, "Class Type" },
186 { RSVP_OBJ_CLASSTYPE_OLD, "Class Type (old)" },
187 { RSVP_OBJ_SUGGESTED_LABEL, "Suggested Label" },
188 { RSVP_OBJ_PROPERTIES, "Properties" },
189 { RSVP_OBJ_FASTREROUTE, "Fast Re-Route" },
190 { RSVP_OBJ_SESSION_ATTRIBUTE, "Session Attribute" },
191 { RSVP_OBJ_GENERALIZED_UNI, "Generalized UNI" },
192 { RSVP_OBJ_CALL_ID, "Call-ID" },
193 { RSVP_OBJ_CALL_OPS, "Call Capability" },
194 { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" },
195 { RSVP_OBJ_NOTIFY_REQ, "Notify Request" },
196 { RSVP_OBJ_PROTECTION, "Protection" },
197 { RSVP_OBJ_ADMIN_STATUS, "Administrative Status" },
198 { RSVP_OBJ_S2L, "Sub-LSP to LSP" },
199 { 0, NULL}
200 };
201
202 #define RSVP_CTYPE_IPV4 1
203 #define RSVP_CTYPE_IPV6 2
204 #define RSVP_CTYPE_TUNNEL_IPV4 7
205 #define RSVP_CTYPE_TUNNEL_IPV6 8
206 #define RSVP_CTYPE_UNI_IPV4 11 /* OIF RSVP extensions UNI 1.0 Signaling Rel. 2 */
207 #define RSVP_CTYPE_1 1
208 #define RSVP_CTYPE_2 2
209 #define RSVP_CTYPE_3 3
210 #define RSVP_CTYPE_4 4
211 #define RSVP_CTYPE_12 12
212 #define RSVP_CTYPE_13 13
213 #define RSVP_CTYPE_14 14
214
215 /*
216 * the ctypes are not globally unique so for
217 * translating it to strings we build a table based
218 * on objects offsetted by the ctype
219 */
220
221 static const struct tok rsvp_ctype_values[] = {
222 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV4, "IPv4" },
223 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV6, "IPv6" },
224 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
225 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
226 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV4, "IPv4" },
227 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV6, "IPv6" },
228 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV4, "IPv4" },
229 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV6, "IPv6" },
230 { 256*RSVP_OBJ_TIME_VALUES+RSVP_CTYPE_1, "1" },
231 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_1, "obsolete" },
232 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_2, "IntServ" },
233 { 256*RSVP_OBJ_SENDER_TSPEC+RSVP_CTYPE_2, "IntServ" },
234 { 256*RSVP_OBJ_ADSPEC+RSVP_CTYPE_2, "IntServ" },
235 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV4, "IPv4" },
236 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6, "IPv6" },
237 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3, "IPv6 Flow-label" },
238 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
239 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" },
240 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" },
241 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4, "IPv4" },
242 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6, "IPv6" },
243 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
244 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_UNI_IPV4, "UNI IPv4" },
245 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_13, "IPv4 P2MP LSP Tunnel" },
246 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_14, "IPv6 P2MP LSP Tunnel" },
247 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV4, "IPv4" },
248 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6, "IPv6" },
249 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
250 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" },
251 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" },
252 { 256*RSVP_OBJ_MESSAGE_ID+RSVP_CTYPE_1, "1" },
253 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_1, "Message id ack" },
254 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_2, "Message id nack" },
255 { 256*RSVP_OBJ_MESSAGE_ID_LIST+RSVP_CTYPE_1, "1" },
256 { 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1, "1" },
257 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1, "Hello Request" },
258 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2, "Hello Ack" },
259 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1, "without label range" },
260 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2, "with ATM label range" },
261 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3, "with FR label range" },
262 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4, "Generalized Label" },
263 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1, "Label" },
264 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_2, "Generalized Label" },
265 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
266 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1, "Label" },
267 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_2, "Generalized Label" },
268 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
269 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1, "Label" },
270 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_2, "Generalized Label" },
271 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
272 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_1, "Label" },
273 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_2, "Generalized Label" },
274 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
275 { 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4, "IPv4" },
276 { 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4, "IPv4" },
277 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4, "IPv4" },
278 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6, "IPv6" },
279 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
280 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
281 { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1, "IPv4" },
282 { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
283 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, /* old style*/
284 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_1, "1" }, /* new style */
285 { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
286 { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1, "1" },
287 { 256*RSVP_OBJ_ADMIN_STATUS+RSVP_CTYPE_1, "1" },
288 { 256*RSVP_OBJ_CLASSTYPE+RSVP_CTYPE_1, "1" },
289 { 256*RSVP_OBJ_CLASSTYPE_OLD+RSVP_CTYPE_1, "1" },
290 { 256*RSVP_OBJ_LABEL_SET+RSVP_CTYPE_1, "1" },
291 { 256*RSVP_OBJ_GENERALIZED_UNI+RSVP_CTYPE_1, "1" },
292 { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV4, "IPv4 sub-LSP" },
293 { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV6, "IPv6 sub-LSP" },
294 { 0, NULL}
295 };
296
297 struct rsvp_obj_integrity_t {
298 uint8_t flags;
299 uint8_t res;
300 uint8_t key_id[6];
301 uint8_t sequence[8];
302 uint8_t digest[16];
303 };
304
305 static const struct tok rsvp_obj_integrity_flag_values[] = {
306 { 0x80, "Handshake" },
307 { 0, NULL}
308 };
309
310 struct rsvp_obj_frr_t {
311 uint8_t setup_prio;
312 uint8_t hold_prio;
313 uint8_t hop_limit;
314 uint8_t flags;
315 uint8_t bandwidth[4];
316 uint8_t include_any[4];
317 uint8_t exclude_any[4];
318 uint8_t include_all[4];
319 };
320
321
322 #define RSVP_OBJ_XRO_MASK_SUBOBJ(x) ((x)&0x7f)
323 #define RSVP_OBJ_XRO_MASK_LOOSE(x) ((x)&0x80)
324
325 #define RSVP_OBJ_XRO_RES 0
326 #define RSVP_OBJ_XRO_IPV4 1
327 #define RSVP_OBJ_XRO_IPV6 2
328 #define RSVP_OBJ_XRO_LABEL 3
329 #define RSVP_OBJ_XRO_ASN 32
330 #define RSVP_OBJ_XRO_MPLS 64
331
332 static const struct tok rsvp_obj_xro_values[] = {
333 { RSVP_OBJ_XRO_RES, "Reserved" },
334 { RSVP_OBJ_XRO_IPV4, "IPv4 prefix" },
335 { RSVP_OBJ_XRO_IPV6, "IPv6 prefix" },
336 { RSVP_OBJ_XRO_LABEL, "Label" },
337 { RSVP_OBJ_XRO_ASN, "Autonomous system number" },
338 { RSVP_OBJ_XRO_MPLS, "MPLS label switched path termination" },
339 { 0, NULL}
340 };
341
342 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07.txt */
343 static const struct tok rsvp_obj_rro_flag_values[] = {
344 { 0x01, "Local protection available" },
345 { 0x02, "Local protection in use" },
346 { 0x04, "Bandwidth protection" },
347 { 0x08, "Node protection" },
348 { 0, NULL}
349 };
350
351 /* RFC3209 */
352 static const struct tok rsvp_obj_rro_label_flag_values[] = {
353 { 0x01, "Global" },
354 { 0, NULL}
355 };
356
357 static const struct tok rsvp_resstyle_values[] = {
358 { 17, "Wildcard Filter" },
359 { 10, "Fixed Filter" },
360 { 18, "Shared Explicit" },
361 { 0, NULL}
362 };
363
364 #define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2
365 #define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5
366
367 static const struct tok rsvp_intserv_service_type_values[] = {
368 { 1, "Default/Global Information" },
369 { RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" },
370 { RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" },
371 { 0, NULL}
372 };
373
374 static const struct tok rsvp_intserv_parameter_id_values[] = {
375 { 4, "IS hop cnt" },
376 { 6, "Path b/w estimate" },
377 { 8, "Minimum path latency" },
378 { 10, "Composed MTU" },
379 { 127, "Token Bucket TSpec" },
380 { 130, "Guaranteed Service RSpec" },
381 { 133, "End-to-end composed value for C" },
382 { 134, "End-to-end composed value for D" },
383 { 135, "Since-last-reshaping point composed C" },
384 { 136, "Since-last-reshaping point composed D" },
385 { 0, NULL}
386 };
387
388 static const struct tok rsvp_session_attribute_flag_values[] = {
389 { 0x01, "Local Protection" },
390 { 0x02, "Label Recording" },
391 { 0x04, "SE Style" },
392 { 0x08, "Bandwidth protection" }, /* RFC4090 */
393 { 0x10, "Node protection" }, /* RFC4090 */
394 { 0, NULL}
395 };
396
397 static const struct tok rsvp_obj_prop_tlv_values[] = {
398 { 0x01, "Cos" },
399 { 0x02, "Metric 1" },
400 { 0x04, "Metric 2" },
401 { 0x08, "CCC Status" },
402 { 0x10, "Path Type" },
403 { 0, NULL}
404 };
405
406 #define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24
407 #define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY 25
408 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 28
409 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD 125
410
411 static const struct tok rsvp_obj_error_code_values[] = {
412 { RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" },
413 { RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY, "Notify Error" },
414 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE, "Diffserv TE Error" },
415 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD, "Diffserv TE Error (Old)" },
416 { 0, NULL}
417 };
418
419 static const struct tok rsvp_obj_error_code_routing_values[] = {
420 { 1, "Bad EXPLICIT_ROUTE object" },
421 { 2, "Bad strict node" },
422 { 3, "Bad loose node" },
423 { 4, "Bad initial subobject" },
424 { 5, "No route available toward destination" },
425 { 6, "Unacceptable label value" },
426 { 7, "RRO indicated routing loops" },
427 { 8, "non-RSVP-capable router in the path" },
428 { 9, "MPLS label allocation failure" },
429 { 10, "Unsupported L3PID" },
430 { 0, NULL}
431 };
432
433 static const struct tok rsvp_obj_error_code_diffserv_te_values[] = {
434 { 1, "Unexpected CT object" },
435 { 2, "Unsupported CT" },
436 { 3, "Invalid CT value" },
437 { 4, "CT/setup priority do not form a configured TE-Class" },
438 { 5, "CT/holding priority do not form a configured TE-Class" },
439 { 6, "CT/setup priority and CT/holding priority do not form a configured TE-Class" },
440 { 7, "Inconsistency between signaled PSC and signaled CT" },
441 { 8, "Inconsistency between signaled PHBs and signaled CT" },
442 { 0, NULL}
443 };
444
445 /* rfc3473 / rfc 3471 */
446 static const struct tok rsvp_obj_admin_status_flag_values[] = {
447 { 0x80000000, "Reflect" },
448 { 0x00000004, "Testing" },
449 { 0x00000002, "Admin-down" },
450 { 0x00000001, "Delete-in-progress" },
451 { 0, NULL}
452 };
453
454 /* label set actions - rfc3471 */
455 #define LABEL_SET_INCLUSIVE_LIST 0
456 #define LABEL_SET_EXCLUSIVE_LIST 1
457 #define LABEL_SET_INCLUSIVE_RANGE 2
458 #define LABEL_SET_EXCLUSIVE_RANGE 3
459
460 static const struct tok rsvp_obj_label_set_action_values[] = {
461 { LABEL_SET_INCLUSIVE_LIST, "Inclusive list" },
462 { LABEL_SET_EXCLUSIVE_LIST, "Exclusive list" },
463 { LABEL_SET_INCLUSIVE_RANGE, "Inclusive range" },
464 { LABEL_SET_EXCLUSIVE_RANGE, "Exclusive range" },
465 { 0, NULL}
466 };
467
468 /* OIF RSVP extensions UNI 1.0 Signaling, release 2 */
469 #define RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS 1
470 #define RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS 2
471 #define RSVP_GEN_UNI_SUBOBJ_DIVERSITY 3
472 #define RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL 4
473 #define RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL 5
474
475 static const struct tok rsvp_obj_generalized_uni_values[] = {
476 { RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS, "Source TNA address" },
477 { RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS, "Destination TNA address" },
478 { RSVP_GEN_UNI_SUBOBJ_DIVERSITY, "Diversity" },
479 { RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL, "Egress label" },
480 { RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL, "Service level" },
481 { 0, NULL}
482 };
483
484 /*
485 * this is a dissector for all the intserv defined
486 * specs as defined per rfc2215
487 * it is called from various rsvp objects;
488 * returns the amount of bytes being processed
489 */
490 static int
491 rsvp_intserv_print(netdissect_options *ndo,
492 const u_char *tptr, u_short obj_tlen)
493 {
494 int parameter_id,parameter_length;
495 union {
496 float f;
497 uint32_t i;
498 } bw;
499
500 if (obj_tlen < 4)
501 return 0;
502 parameter_id = *(tptr);
503 ND_TCHECK2(*(tptr + 2), 2);
504 parameter_length = EXTRACT_16BITS(tptr+2)<<2; /* convert wordcount to bytecount */
505
506 ND_PRINT((ndo, "\n\t Parameter ID: %s (%u), length: %u, Flags: [0x%02x]",
507 tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id),
508 parameter_id,
509 parameter_length,
510 *(tptr + 1)));
511
512 if (obj_tlen < parameter_length+4)
513 return 0;
514 switch(parameter_id) { /* parameter_id */
515
516 case 4:
517 /*
518 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
519 * | 4 (e) | (f) | 1 (g) |
520 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
521 * | IS hop cnt (32-bit unsigned integer) |
522 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
523 */
524 if (parameter_length == 4)
525 ND_TCHECK2(*(tptr + 4), 4);
526 ND_PRINT((ndo, "\n\t\tIS hop count: %u", EXTRACT_32BITS(tptr + 4)));
527 break;
528
529 case 6:
530 /*
531 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
532 * | 6 (h) | (i) | 1 (j) |
533 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
534 * | Path b/w estimate (32-bit IEEE floating point number) |
535 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
536 */
537 if (parameter_length == 4) {
538 ND_TCHECK2(*(tptr + 4), 4);
539 bw.i = EXTRACT_32BITS(tptr+4);
540 ND_PRINT((ndo, "\n\t\tPath b/w estimate: %.10g Mbps", bw.f / 125000));
541 }
542 break;
543
544 case 8:
545 /*
546 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
547 * | 8 (k) | (l) | 1 (m) |
548 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
549 * | Minimum path latency (32-bit integer) |
550 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
551 */
552 if (parameter_length == 4) {
553 ND_TCHECK2(*(tptr + 4), 4);
554 ND_PRINT((ndo, "\n\t\tMinimum path latency: "));
555 if (EXTRACT_32BITS(tptr+4) == 0xffffffff)
556 ND_PRINT((ndo, "don't care"));
557 else
558 ND_PRINT((ndo, "%u", EXTRACT_32BITS(tptr + 4)));
559 }
560 break;
561
562 case 10:
563
564 /*
565 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
566 * | 10 (n) | (o) | 1 (p) |
567 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
568 * | Composed MTU (32-bit unsigned integer) |
569 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
570 */
571 if (parameter_length == 4)
572 ND_TCHECK2(*(tptr + 4), 4);
573 ND_PRINT((ndo, "\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr + 4)));
574 break;
575 case 127:
576 /*
577 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
578 * | 127 (e) | 0 (f) | 5 (g) |
579 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
580 * | Token Bucket Rate [r] (32-bit IEEE floating point number) |
581 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
582 * | Token Bucket Size [b] (32-bit IEEE floating point number) |
583 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
584 * | Peak Data Rate [p] (32-bit IEEE floating point number) |
585 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
586 * | Minimum Policed Unit [m] (32-bit integer) |
587 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
588 * | Maximum Packet Size [M] (32-bit integer) |
589 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
590 */
591
592 if (parameter_length == 20) {
593 ND_TCHECK2(*(tptr + 4), 20);
594 bw.i = EXTRACT_32BITS(tptr+4);
595 ND_PRINT((ndo, "\n\t\tToken Bucket Rate: %.10g Mbps", bw.f / 125000));
596 bw.i = EXTRACT_32BITS(tptr+8);
597 ND_PRINT((ndo, "\n\t\tToken Bucket Size: %.10g bytes", bw.f));
598 bw.i = EXTRACT_32BITS(tptr+12);
599 ND_PRINT((ndo, "\n\t\tPeak Data Rate: %.10g Mbps", bw.f / 125000));
600 ND_PRINT((ndo, "\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr + 16)));
601 ND_PRINT((ndo, "\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr + 20)));
602 }
603 break;
604
605 case 130:
606 /*
607 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
608 * | 130 (h) | 0 (i) | 2 (j) |
609 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
610 * | Rate [R] (32-bit IEEE floating point number) |
611 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
612 * | Slack Term [S] (32-bit integer) |
613 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
614 */
615
616 if (parameter_length == 8) {
617 ND_TCHECK2(*(tptr + 4), 8);
618 bw.i = EXTRACT_32BITS(tptr+4);
619 ND_PRINT((ndo, "\n\t\tRate: %.10g Mbps", bw.f / 125000));
620 ND_PRINT((ndo, "\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr + 8)));
621 }
622 break;
623
624 case 133:
625 case 134:
626 case 135:
627 case 136:
628 if (parameter_length == 4)
629 ND_TCHECK2(*(tptr + 4), 4);
630 ND_PRINT((ndo, "\n\t\tValue: %u", EXTRACT_32BITS(tptr + 4)));
631 break;
632
633 default:
634 if (ndo->ndo_vflag <= 1)
635 print_unknown_data(ndo, tptr + 4, "\n\t\t", parameter_length);
636 }
637 return (parameter_length+4); /* header length 4 bytes */
638
639 trunc:
640 ND_PRINT((ndo, "%s", tstr));
641 return 0;
642 }
643
644 static int
645 rsvp_obj_print(netdissect_options *ndo,
646 const u_char *pptr
647 #ifndef HAVE_LIBCRYPTO
648 _U_
649 #endif
650 , u_int plen
651 #ifndef HAVE_LIBCRYPTO
652 _U_
653 #endif
654 , const u_char *tptr,
655 const char *ident, u_int tlen)
656 {
657 const struct rsvp_object_header *rsvp_obj_header;
658 const u_char *obj_tptr;
659 union {
660 const struct rsvp_obj_integrity_t *rsvp_obj_integrity;
661 const struct rsvp_obj_frr_t *rsvp_obj_frr;
662 } obj_ptr;
663
664 u_short rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen;
665 int hexdump,processed,padbytes,error_code,error_value,i,sigcheck;
666 union {
667 float f;
668 uint32_t i;
669 } bw;
670 uint8_t namelen;
671
672 u_int action, subchannel;
673
674 while(tlen>=sizeof(struct rsvp_object_header)) {
675 /* did we capture enough for fully decoding the object header ? */
676 ND_TCHECK2(*tptr, sizeof(struct rsvp_object_header));
677
678 rsvp_obj_header = (const struct rsvp_object_header *)tptr;
679 rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length);
680 rsvp_obj_ctype=rsvp_obj_header->ctype;
681
682 if(rsvp_obj_len % 4) {
683 ND_PRINT((ndo, "%sERROR: object header size %u not a multiple of 4", ident, rsvp_obj_len));
684 return -1;
685 }
686 if(rsvp_obj_len < sizeof(struct rsvp_object_header)) {
687 ND_PRINT((ndo, "%sERROR: object header too short %u < %lu", ident, rsvp_obj_len,
688 (unsigned long)sizeof(const struct rsvp_object_header)));
689 return -1;
690 }
691
692 ND_PRINT((ndo, "%s%s Object (%u) Flags: [%s",
693 ident,
694 tok2str(rsvp_obj_values,
695 "Unknown",
696 rsvp_obj_header->class_num),
697 rsvp_obj_header->class_num,
698 ((rsvp_obj_header->class_num) & 0x80) ? "ignore" : "reject"));
699
700 if (rsvp_obj_header->class_num > 128)
701 ND_PRINT((ndo, " %s",
702 ((rsvp_obj_header->class_num) & 0x40) ? "and forward" : "silently"));
703
704 ND_PRINT((ndo, " if unknown], Class-Type: %s (%u), length: %u",
705 tok2str(rsvp_ctype_values,
706 "Unknown",
707 ((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype),
708 rsvp_obj_ctype,
709 rsvp_obj_len));
710
711 if(tlen < rsvp_obj_len) {
712 ND_PRINT((ndo, "%sERROR: object goes past end of objects TLV", ident));
713 return -1;
714 }
715
716 obj_tptr=tptr+sizeof(struct rsvp_object_header);
717 obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
718
719 /* did we capture enough for fully decoding the object ? */
720 if (!ND_TTEST2(*tptr, rsvp_obj_len))
721 return -1;
722 hexdump=FALSE;
723
724 switch(rsvp_obj_header->class_num) {
725 case RSVP_OBJ_SESSION:
726 switch(rsvp_obj_ctype) {
727 case RSVP_CTYPE_IPV4:
728 if (obj_tlen < 8)
729 return -1;
730 ND_PRINT((ndo, "%s IPv4 DestAddress: %s, Protocol ID: 0x%02x",
731 ident,
732 ipaddr_string(ndo, obj_tptr),
733 *(obj_tptr + sizeof(struct in_addr))));
734 ND_PRINT((ndo, "%s Flags: [0x%02x], DestPort %u",
735 ident,
736 *(obj_tptr+5),
737 EXTRACT_16BITS(obj_tptr + 6)));
738 obj_tlen-=8;
739 obj_tptr+=8;
740 break;
741 #ifdef INET6
742 case RSVP_CTYPE_IPV6:
743 if (obj_tlen < 20)
744 return -1;
745 ND_PRINT((ndo, "%s IPv6 DestAddress: %s, Protocol ID: 0x%02x",
746 ident,
747 ip6addr_string(ndo, obj_tptr),
748 *(obj_tptr + sizeof(struct in6_addr))));
749 ND_PRINT((ndo, "%s Flags: [0x%02x], DestPort %u",
750 ident,
751 *(obj_tptr+sizeof(struct in6_addr)+1),
752 EXTRACT_16BITS(obj_tptr + sizeof(struct in6_addr) + 2)));
753 obj_tlen-=20;
754 obj_tptr+=20;
755 break;
756
757 case RSVP_CTYPE_TUNNEL_IPV6:
758 if (obj_tlen < 36)
759 return -1;
760 ND_PRINT((ndo, "%s IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
761 ident,
762 ip6addr_string(ndo, obj_tptr),
763 EXTRACT_16BITS(obj_tptr+18),
764 ip6addr_string(ndo, obj_tptr + 20)));
765 obj_tlen-=36;
766 obj_tptr+=36;
767 break;
768
769 case RSVP_CTYPE_14: /* IPv6 p2mp LSP Tunnel */
770 if (obj_tlen < 26)
771 return -1;
772 ND_PRINT((ndo, "%s IPv6 P2MP LSP ID: 0x%08x, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
773 ident,
774 EXTRACT_32BITS(obj_tptr),
775 EXTRACT_16BITS(obj_tptr+6),
776 ip6addr_string(ndo, obj_tptr + 8)));
777 obj_tlen-=26;
778 obj_tptr+=26;
779 break;
780 #endif
781 case RSVP_CTYPE_13: /* IPv4 p2mp LSP Tunnel */
782 if (obj_tlen < 12)
783 return -1;
784 ND_PRINT((ndo, "%s IPv4 P2MP LSP ID: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
785 ident,
786 ipaddr_string(ndo, obj_tptr),
787 EXTRACT_16BITS(obj_tptr+6),
788 ipaddr_string(ndo, obj_tptr + 8)));
789 obj_tlen-=12;
790 obj_tptr+=12;
791 break;
792 case RSVP_CTYPE_TUNNEL_IPV4:
793 case RSVP_CTYPE_UNI_IPV4:
794 if (obj_tlen < 12)
795 return -1;
796 ND_PRINT((ndo, "%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
797 ident,
798 ipaddr_string(ndo, obj_tptr),
799 EXTRACT_16BITS(obj_tptr+6),
800 ipaddr_string(ndo, obj_tptr + 8)));
801 obj_tlen-=12;
802 obj_tptr+=12;
803 break;
804 default:
805 hexdump=TRUE;
806 }
807 break;
808
809 case RSVP_OBJ_CONFIRM:
810 switch(rsvp_obj_ctype) {
811 case RSVP_CTYPE_IPV4:
812 if (obj_tlen < sizeof(struct in_addr))
813 return -1;
814 ND_PRINT((ndo, "%s IPv4 Receiver Address: %s",
815 ident,
816 ipaddr_string(ndo, obj_tptr)));
817 obj_tlen-=sizeof(struct in_addr);
818 obj_tptr+=sizeof(struct in_addr);
819 break;
820 #ifdef INET6
821 case RSVP_CTYPE_IPV6:
822 if (obj_tlen < sizeof(struct in6_addr))
823 return -1;
824 ND_PRINT((ndo, "%s IPv6 Receiver Address: %s",
825 ident,
826 ip6addr_string(ndo, obj_tptr)));
827 obj_tlen-=sizeof(struct in6_addr);
828 obj_tptr+=sizeof(struct in6_addr);
829 break;
830 #endif
831 default:
832 hexdump=TRUE;
833 }
834 break;
835
836 case RSVP_OBJ_NOTIFY_REQ:
837 switch(rsvp_obj_ctype) {
838 case RSVP_CTYPE_IPV4:
839 if (obj_tlen < sizeof(struct in_addr))
840 return -1;
841 ND_PRINT((ndo, "%s IPv4 Notify Node Address: %s",
842 ident,
843 ipaddr_string(ndo, obj_tptr)));
844 obj_tlen-=sizeof(struct in_addr);
845 obj_tptr+=sizeof(struct in_addr);
846 break;
847 #ifdef INET6
848 case RSVP_CTYPE_IPV6:
849 if (obj_tlen < sizeof(struct in6_addr))
850 return-1;
851 ND_PRINT((ndo, "%s IPv6 Notify Node Address: %s",
852 ident,
853 ip6addr_string(ndo, obj_tptr)));
854 obj_tlen-=sizeof(struct in6_addr);
855 obj_tptr+=sizeof(struct in6_addr);
856 break;
857 #endif
858 default:
859 hexdump=TRUE;
860 }
861 break;
862
863 case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
864 case RSVP_OBJ_UPSTREAM_LABEL: /* fall through */
865 case RSVP_OBJ_RECOVERY_LABEL: /* fall through */
866 case RSVP_OBJ_LABEL:
867 switch(rsvp_obj_ctype) {
868 case RSVP_CTYPE_1:
869 while(obj_tlen >= 4 ) {
870 ND_PRINT((ndo, "%s Label: %u", ident, EXTRACT_32BITS(obj_tptr)));
871 obj_tlen-=4;
872 obj_tptr+=4;
873 }
874 break;
875 case RSVP_CTYPE_2:
876 if (obj_tlen < 4)
877 return-1;
878 ND_PRINT((ndo, "%s Generalized Label: %u",
879 ident,
880 EXTRACT_32BITS(obj_tptr)));
881 obj_tlen-=4;
882 obj_tptr+=4;
883 break;
884 case RSVP_CTYPE_3:
885 if (obj_tlen < 12)
886 return-1;
887 ND_PRINT((ndo, "%s Waveband ID: %u%s Start Label: %u, Stop Label: %u",
888 ident,
889 EXTRACT_32BITS(obj_tptr),
890 ident,
891 EXTRACT_32BITS(obj_tptr+4),
892 EXTRACT_32BITS(obj_tptr + 8)));
893 obj_tlen-=12;
894 obj_tptr+=12;
895 break;
896 default:
897 hexdump=TRUE;
898 }
899 break;
900
901 case RSVP_OBJ_STYLE:
902 switch(rsvp_obj_ctype) {
903 case RSVP_CTYPE_1:
904 if (obj_tlen < 4)
905 return-1;
906 ND_PRINT((ndo, "%s Reservation Style: %s, Flags: [0x%02x]",
907 ident,
908 tok2str(rsvp_resstyle_values,
909 "Unknown",
910 EXTRACT_24BITS(obj_tptr+1)),
911 *(obj_tptr)));
912 obj_tlen-=4;
913 obj_tptr+=4;
914 break;
915 default:
916 hexdump=TRUE;
917 }
918 break;
919
920 case RSVP_OBJ_SENDER_TEMPLATE:
921 switch(rsvp_obj_ctype) {
922 case RSVP_CTYPE_IPV4:
923 if (obj_tlen < 8)
924 return-1;
925 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
926 ident,
927 ipaddr_string(ndo, obj_tptr),
928 EXTRACT_16BITS(obj_tptr + 6)));
929 obj_tlen-=8;
930 obj_tptr+=8;
931 break;
932 #ifdef INET6
933 case RSVP_CTYPE_IPV6:
934 if (obj_tlen < 20)
935 return-1;
936 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
937 ident,
938 ip6addr_string(ndo, obj_tptr),
939 EXTRACT_16BITS(obj_tptr + 18)));
940 obj_tlen-=20;
941 obj_tptr+=20;
942 break;
943 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
944 if (obj_tlen < 40)
945 return-1;
946 ND_PRINT((ndo, "%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
947 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
948 ident,
949 ip6addr_string(ndo, obj_tptr),
950 EXTRACT_16BITS(obj_tptr+18),
951 ident,
952 ip6addr_string(ndo, obj_tptr+20),
953 EXTRACT_16BITS(obj_tptr + 38)));
954 obj_tlen-=40;
955 obj_tptr+=40;
956 break;
957 #endif
958 case RSVP_CTYPE_TUNNEL_IPV4:
959 if (obj_tlen < 8)
960 return-1;
961 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
962 ident,
963 ipaddr_string(ndo, obj_tptr),
964 EXTRACT_16BITS(obj_tptr + 6)));
965 obj_tlen-=8;
966 obj_tptr+=8;
967 break;
968 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
969 if (obj_tlen < 16)
970 return-1;
971 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
972 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
973 ident,
974 ipaddr_string(ndo, obj_tptr),
975 EXTRACT_16BITS(obj_tptr+6),
976 ident,
977 ipaddr_string(ndo, obj_tptr+8),
978 EXTRACT_16BITS(obj_tptr + 12)));
979 obj_tlen-=16;
980 obj_tptr+=16;
981 break;
982 default:
983 hexdump=TRUE;
984 }
985 break;
986
987 case RSVP_OBJ_LABEL_REQ:
988 switch(rsvp_obj_ctype) {
989 case RSVP_CTYPE_1:
990 while(obj_tlen >= 4 ) {
991 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
992 ident,
993 tok2str(ethertype_values,
994 "Unknown Protocol (0x%04x)",
995 EXTRACT_16BITS(obj_tptr + 2))));
996 obj_tlen-=4;
997 obj_tptr+=4;
998 }
999 break;
1000 case RSVP_CTYPE_2:
1001 if (obj_tlen < 12)
1002 return-1;
1003 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
1004 ident,
1005 tok2str(ethertype_values,
1006 "Unknown Protocol (0x%04x)",
1007 EXTRACT_16BITS(obj_tptr + 2))));
1008 ND_PRINT((ndo, ",%s merge capability",((*(obj_tptr + 4)) & 0x80) ? "no" : "" ));
1009 ND_PRINT((ndo, "%s Minimum VPI/VCI: %u/%u",
1010 ident,
1011 (EXTRACT_16BITS(obj_tptr+4))&0xfff,
1012 (EXTRACT_16BITS(obj_tptr + 6)) & 0xfff));
1013 ND_PRINT((ndo, "%s Maximum VPI/VCI: %u/%u",
1014 ident,
1015 (EXTRACT_16BITS(obj_tptr+8))&0xfff,
1016 (EXTRACT_16BITS(obj_tptr + 10)) & 0xfff));
1017 obj_tlen-=12;
1018 obj_tptr+=12;
1019 break;
1020 case RSVP_CTYPE_3:
1021 if (obj_tlen < 12)
1022 return-1;
1023 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
1024 ident,
1025 tok2str(ethertype_values,
1026 "Unknown Protocol (0x%04x)",
1027 EXTRACT_16BITS(obj_tptr + 2))));
1028 ND_PRINT((ndo, "%s Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI",
1029 ident,
1030 (EXTRACT_32BITS(obj_tptr+4))&0x7fffff,
1031 (EXTRACT_32BITS(obj_tptr+8))&0x7fffff,
1032 (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "",
1033 (((EXTRACT_16BITS(obj_tptr + 4) >> 7) & 3) == 2 ) ? "23" : ""));
1034 obj_tlen-=12;
1035 obj_tptr+=12;
1036 break;
1037 case RSVP_CTYPE_4:
1038 if (obj_tlen < 4)
1039 return-1;
1040 ND_PRINT((ndo, "%s LSP Encoding Type: %s (%u)",
1041 ident,
1042 tok2str(gmpls_encoding_values,
1043 "Unknown",
1044 *obj_tptr),
1045 *obj_tptr));
1046 ND_PRINT((ndo, "%s Switching Type: %s (%u), Payload ID: %s (0x%04x)",
1047 ident,
1048 tok2str(gmpls_switch_cap_values,
1049 "Unknown",
1050 *(obj_tptr+1)),
1051 *(obj_tptr+1),
1052 tok2str(gmpls_payload_values,
1053 "Unknown",
1054 EXTRACT_16BITS(obj_tptr+2)),
1055 EXTRACT_16BITS(obj_tptr + 2)));
1056 obj_tlen-=4;
1057 obj_tptr+=4;
1058 break;
1059 default:
1060 hexdump=TRUE;
1061 }
1062 break;
1063
1064 case RSVP_OBJ_RRO:
1065 case RSVP_OBJ_ERO:
1066 switch(rsvp_obj_ctype) {
1067 case RSVP_CTYPE_IPV4:
1068 while(obj_tlen >= 4 ) {
1069 ND_PRINT((ndo, "%s Subobject Type: %s, length %u",
1070 ident,
1071 tok2str(rsvp_obj_xro_values,
1072 "Unknown %u",
1073 RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)),
1074 *(obj_tptr + 1)));
1075
1076 if (*(obj_tptr+1) == 0) { /* prevent infinite loops */
1077 ND_PRINT((ndo, "%s ERROR: zero length ERO subtype", ident));
1078 break;
1079 }
1080
1081 switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) {
1082 case RSVP_OBJ_XRO_IPV4:
1083 ND_PRINT((ndo, ", %s, %s/%u, Flags: [%s]",
1084 RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
1085 ipaddr_string(ndo, obj_tptr+2),
1086 *(obj_tptr+6),
1087 bittok2str(rsvp_obj_rro_flag_values,
1088 "none",
1089 *(obj_tptr + 7)))); /* rfc3209 says that this field is rsvd. */
1090 break;
1091 case RSVP_OBJ_XRO_LABEL:
1092 ND_PRINT((ndo, ", Flags: [%s] (%#x), Class-Type: %s (%u), %u",
1093 bittok2str(rsvp_obj_rro_label_flag_values,
1094 "none",
1095 *(obj_tptr+2)),
1096 *(obj_tptr+2),
1097 tok2str(rsvp_ctype_values,
1098 "Unknown",
1099 *(obj_tptr+3) + 256*RSVP_OBJ_RRO),
1100 *(obj_tptr+3),
1101 EXTRACT_32BITS(obj_tptr + 4)));
1102 }
1103 obj_tlen-=*(obj_tptr+1);
1104 obj_tptr+=*(obj_tptr+1);
1105 }
1106 break;
1107 default:
1108 hexdump=TRUE;
1109 }
1110 break;
1111
1112 case RSVP_OBJ_HELLO:
1113 switch(rsvp_obj_ctype) {
1114 case RSVP_CTYPE_1:
1115 case RSVP_CTYPE_2:
1116 if (obj_tlen < 8)
1117 return-1;
1118 ND_PRINT((ndo, "%s Source Instance: 0x%08x, Destination Instance: 0x%08x",
1119 ident,
1120 EXTRACT_32BITS(obj_tptr),
1121 EXTRACT_32BITS(obj_tptr + 4)));
1122 obj_tlen-=8;
1123 obj_tptr+=8;
1124 break;
1125 default:
1126 hexdump=TRUE;
1127 }
1128 break;
1129
1130 case RSVP_OBJ_RESTART_CAPABILITY:
1131 switch(rsvp_obj_ctype) {
1132 case RSVP_CTYPE_1:
1133 if (obj_tlen < 8)
1134 return-1;
1135 ND_PRINT((ndo, "%s Restart Time: %ums, Recovery Time: %ums",
1136 ident,
1137 EXTRACT_32BITS(obj_tptr),
1138 EXTRACT_32BITS(obj_tptr + 4)));
1139 obj_tlen-=8;
1140 obj_tptr+=8;
1141 break;
1142 default:
1143 hexdump=TRUE;
1144 }
1145 break;
1146
1147 case RSVP_OBJ_SESSION_ATTRIBUTE:
1148 switch(rsvp_obj_ctype) {
1149 case RSVP_CTYPE_TUNNEL_IPV4:
1150 if (obj_tlen < 4)
1151 return-1;
1152 namelen = *(obj_tptr+3);
1153 if (obj_tlen < 4+namelen)
1154 return-1;
1155 ND_PRINT((ndo, "%s Session Name: ", ident));
1156 for (i = 0; i < namelen; i++)
1157 safeputchar(ndo, *(obj_tptr + 4 + i));
1158 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Flags: [%s] (%#x)",
1159 ident,
1160 (int)*obj_tptr,
1161 (int)*(obj_tptr+1),
1162 bittok2str(rsvp_session_attribute_flag_values,
1163 "none",
1164 *(obj_tptr+2)),
1165 *(obj_tptr + 2)));
1166 obj_tlen-=4+*(obj_tptr+3);
1167 obj_tptr+=4+*(obj_tptr+3);
1168 break;
1169 default:
1170 hexdump=TRUE;
1171 }
1172 break;
1173
1174 case RSVP_OBJ_GENERALIZED_UNI:
1175 switch(rsvp_obj_ctype) {
1176 int subobj_type,af,subobj_len,total_subobj_len;
1177
1178 case RSVP_CTYPE_1:
1179
1180 if (obj_tlen < 4)
1181 return-1;
1182
1183 /* read variable length subobjects */
1184 total_subobj_len = obj_tlen;
1185 while(total_subobj_len > 0) {
1186 subobj_len = EXTRACT_16BITS(obj_tptr);
1187 subobj_type = (EXTRACT_16BITS(obj_tptr+2))>>8;
1188 af = (EXTRACT_16BITS(obj_tptr+2))&0x00FF;
1189
1190 ND_PRINT((ndo, "%s Subobject Type: %s (%u), AF: %s (%u), length: %u",
1191 ident,
1192 tok2str(rsvp_obj_generalized_uni_values, "Unknown", subobj_type),
1193 subobj_type,
1194 tok2str(af_values, "Unknown", af), af,
1195 subobj_len));
1196
1197 if(subobj_len == 0)
1198 goto invalid;
1199
1200 switch(subobj_type) {
1201 case RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS:
1202 case RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS:
1203
1204 switch(af) {
1205 case AFNUM_INET:
1206 if (subobj_len < 8)
1207 return -1;
1208 ND_PRINT((ndo, "%s UNI IPv4 TNA address: %s",
1209 ident, ipaddr_string(ndo, obj_tptr + 4)));
1210 break;
1211 #ifdef INET6
1212 case AFNUM_INET6:
1213 if (subobj_len < 20)
1214 return -1;
1215 ND_PRINT((ndo, "%s UNI IPv6 TNA address: %s",
1216 ident, ip6addr_string(ndo, obj_tptr + 4)));
1217 break;
1218 #endif
1219 case AFNUM_NSAP:
1220 if (subobj_len) {
1221 /* unless we have a TLV parser lets just hexdump */
1222 hexdump=TRUE;
1223 }
1224 break;
1225 }
1226 break;
1227
1228 case RSVP_GEN_UNI_SUBOBJ_DIVERSITY:
1229 if (subobj_len) {
1230 /* unless we have a TLV parser lets just hexdump */
1231 hexdump=TRUE;
1232 }
1233 break;
1234
1235 case RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL:
1236 if (subobj_len < 16) {
1237 return -1;
1238 }
1239
1240 ND_PRINT((ndo, "%s U-bit: %x, Label type: %u, Logical port id: %u, Label: %u",
1241 ident,
1242 ((EXTRACT_32BITS(obj_tptr+4))>>31),
1243 ((EXTRACT_32BITS(obj_tptr+4))&0xFF),
1244 EXTRACT_32BITS(obj_tptr+8),
1245 EXTRACT_32BITS(obj_tptr + 12)));
1246 break;
1247
1248 case RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL:
1249 if (subobj_len < 8) {
1250 return -1;
1251 }
1252
1253 ND_PRINT((ndo, "%s Service level: %u",
1254 ident, (EXTRACT_32BITS(obj_tptr + 4)) >> 24));
1255 break;
1256
1257 default:
1258 hexdump=TRUE;
1259 break;
1260 }
1261 total_subobj_len-=subobj_len;
1262 obj_tptr+=subobj_len;
1263 obj_tlen+=subobj_len;
1264 }
1265
1266 if (total_subobj_len) {
1267 /* unless we have a TLV parser lets just hexdump */
1268 hexdump=TRUE;
1269 }
1270 break;
1271
1272 default:
1273 hexdump=TRUE;
1274 }
1275 break;
1276
1277 case RSVP_OBJ_RSVP_HOP:
1278 switch(rsvp_obj_ctype) {
1279 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1280 case RSVP_CTYPE_IPV4:
1281 if (obj_tlen < 8)
1282 return-1;
1283 ND_PRINT((ndo, "%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1284 ident,
1285 ipaddr_string(ndo, obj_tptr),
1286 EXTRACT_32BITS(obj_tptr + 4)));
1287 obj_tlen-=8;
1288 obj_tptr+=8;
1289 if (obj_tlen)
1290 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1291 break;
1292 #ifdef INET6
1293 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1294 case RSVP_CTYPE_IPV6:
1295 if (obj_tlen < 20)
1296 return-1;
1297 ND_PRINT((ndo, "%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1298 ident,
1299 ip6addr_string(ndo, obj_tptr),
1300 EXTRACT_32BITS(obj_tptr + 16)));
1301 obj_tlen-=20;
1302 obj_tptr+=20;
1303 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1304 break;
1305 #endif
1306 default:
1307 hexdump=TRUE;
1308 }
1309 break;
1310
1311 case RSVP_OBJ_TIME_VALUES:
1312 switch(rsvp_obj_ctype) {
1313 case RSVP_CTYPE_1:
1314 if (obj_tlen < 4)
1315 return-1;
1316 ND_PRINT((ndo, "%s Refresh Period: %ums",
1317 ident,
1318 EXTRACT_32BITS(obj_tptr)));
1319 obj_tlen-=4;
1320 obj_tptr+=4;
1321 break;
1322 default:
1323 hexdump=TRUE;
1324 }
1325 break;
1326
1327 /* those three objects do share the same semantics */
1328 case RSVP_OBJ_SENDER_TSPEC:
1329 case RSVP_OBJ_ADSPEC:
1330 case RSVP_OBJ_FLOWSPEC:
1331 switch(rsvp_obj_ctype) {
1332 case RSVP_CTYPE_2:
1333 if (obj_tlen < 4)
1334 return-1;
1335 ND_PRINT((ndo, "%s Msg-Version: %u, length: %u",
1336 ident,
1337 (*obj_tptr & 0xf0) >> 4,
1338 EXTRACT_16BITS(obj_tptr + 2) << 2));
1339 obj_tptr+=4; /* get to the start of the service header */
1340 obj_tlen-=4;
1341
1342 while (obj_tlen >= 4) {
1343 intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
1344 ND_PRINT((ndo, "%s Service Type: %s (%u), break bit %s set, Service length: %u",
1345 ident,
1346 tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)),
1347 *(obj_tptr),
1348 (*(obj_tptr+1)&0x80) ? "" : "not",
1349 intserv_serv_tlen));
1350
1351 obj_tptr+=4; /* get to the start of the parameter list */
1352 obj_tlen-=4;
1353
1354 while (intserv_serv_tlen>=4) {
1355 processed = rsvp_intserv_print(ndo, obj_tptr, obj_tlen);
1356 if (processed == 0)
1357 break;
1358 obj_tlen-=processed;
1359 intserv_serv_tlen-=processed;
1360 obj_tptr+=processed;
1361 }
1362 }
1363 break;
1364 default:
1365 hexdump=TRUE;
1366 }
1367 break;
1368
1369 case RSVP_OBJ_FILTERSPEC:
1370 switch(rsvp_obj_ctype) {
1371 case RSVP_CTYPE_IPV4:
1372 if (obj_tlen < 8)
1373 return-1;
1374 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
1375 ident,
1376 ipaddr_string(ndo, obj_tptr),
1377 EXTRACT_16BITS(obj_tptr + 6)));
1378 obj_tlen-=8;
1379 obj_tptr+=8;
1380 break;
1381 #ifdef INET6
1382 case RSVP_CTYPE_IPV6:
1383 if (obj_tlen < 20)
1384 return-1;
1385 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
1386 ident,
1387 ip6addr_string(ndo, obj_tptr),
1388 EXTRACT_16BITS(obj_tptr + 18)));
1389 obj_tlen-=20;
1390 obj_tptr+=20;
1391 break;
1392 case RSVP_CTYPE_3:
1393 if (obj_tlen < 20)
1394 return-1;
1395 ND_PRINT((ndo, "%s Source Address: %s, Flow Label: %u",
1396 ident,
1397 ip6addr_string(ndo, obj_tptr),
1398 EXTRACT_24BITS(obj_tptr + 17)));
1399 obj_tlen-=20;
1400 obj_tptr+=20;
1401 break;
1402 case RSVP_CTYPE_TUNNEL_IPV6:
1403 if (obj_tlen < 20)
1404 return-1;
1405 ND_PRINT((ndo, "%s Source Address: %s, LSP-ID: 0x%04x",
1406 ident,
1407 ipaddr_string(ndo, obj_tptr),
1408 EXTRACT_16BITS(obj_tptr + 18)));
1409 obj_tlen-=20;
1410 obj_tptr+=20;
1411 break;
1412 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
1413 if (obj_tlen < 40)
1414 return-1;
1415 ND_PRINT((ndo, "%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
1416 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
1417 ident,
1418 ip6addr_string(ndo, obj_tptr),
1419 EXTRACT_16BITS(obj_tptr+18),
1420 ident,
1421 ip6addr_string(ndo, obj_tptr+20),
1422 EXTRACT_16BITS(obj_tptr + 38)));
1423 obj_tlen-=40;
1424 obj_tptr+=40;
1425 break;
1426 #endif
1427 case RSVP_CTYPE_TUNNEL_IPV4:
1428 if (obj_tlen < 8)
1429 return-1;
1430 ND_PRINT((ndo, "%s Source Address: %s, LSP-ID: 0x%04x",
1431 ident,
1432 ipaddr_string(ndo, obj_tptr),
1433 EXTRACT_16BITS(obj_tptr + 6)));
1434 obj_tlen-=8;
1435 obj_tptr+=8;
1436 break;
1437 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
1438 if (obj_tlen < 16)
1439 return-1;
1440 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
1441 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
1442 ident,
1443 ipaddr_string(ndo, obj_tptr),
1444 EXTRACT_16BITS(obj_tptr+6),
1445 ident,
1446 ipaddr_string(ndo, obj_tptr+8),
1447 EXTRACT_16BITS(obj_tptr + 12)));
1448 obj_tlen-=16;
1449 obj_tptr+=16;
1450 break;
1451 default:
1452 hexdump=TRUE;
1453 }
1454 break;
1455
1456 case RSVP_OBJ_FASTREROUTE:
1457 /* the differences between c-type 1 and 7 are minor */
1458 obj_ptr.rsvp_obj_frr = (const struct rsvp_obj_frr_t *)obj_tptr;
1459 bw.i = EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->bandwidth);
1460
1461 switch(rsvp_obj_ctype) {
1462 case RSVP_CTYPE_1: /* new style */
1463 if (obj_tlen < sizeof(struct rsvp_obj_frr_t))
1464 return-1;
1465 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1466 ident,
1467 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1468 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1469 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1470 bw.f * 8 / 1000000));
1471 ND_PRINT((ndo, "%s Include-any: 0x%08x, Exclude-any: 0x%08x, Include-all: 0x%08x",
1472 ident,
1473 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1474 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any),
1475 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_all)));
1476 obj_tlen-=sizeof(struct rsvp_obj_frr_t);
1477 obj_tptr+=sizeof(struct rsvp_obj_frr_t);
1478 break;
1479
1480 case RSVP_CTYPE_TUNNEL_IPV4: /* old style */
1481 if (obj_tlen < 16)
1482 return-1;
1483 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1484 ident,
1485 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1486 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1487 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1488 bw.f * 8 / 1000000));
1489 ND_PRINT((ndo, "%s Include Colors: 0x%08x, Exclude Colors: 0x%08x",
1490 ident,
1491 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1492 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any)));
1493 obj_tlen-=16;
1494 obj_tptr+=16;
1495 break;
1496
1497 default:
1498 hexdump=TRUE;
1499 }
1500 break;
1501
1502 case RSVP_OBJ_DETOUR:
1503 switch(rsvp_obj_ctype) {
1504 case RSVP_CTYPE_TUNNEL_IPV4:
1505 while(obj_tlen >= 8) {
1506 ND_PRINT((ndo, "%s PLR-ID: %s, Avoid-Node-ID: %s",
1507 ident,
1508 ipaddr_string(ndo, obj_tptr),
1509 ipaddr_string(ndo, obj_tptr + 4)));
1510 obj_tlen-=8;
1511 obj_tptr+=8;
1512 }
1513 break;
1514 default:
1515 hexdump=TRUE;
1516 }
1517 break;
1518
1519 case RSVP_OBJ_CLASSTYPE:
1520 case RSVP_OBJ_CLASSTYPE_OLD: /* fall through */
1521 switch(rsvp_obj_ctype) {
1522 case RSVP_CTYPE_1:
1523 ND_PRINT((ndo, "%s CT: %u",
1524 ident,
1525 EXTRACT_32BITS(obj_tptr) & 0x7));
1526 obj_tlen-=4;
1527 obj_tptr+=4;
1528 break;
1529 default:
1530 hexdump=TRUE;
1531 }
1532 break;
1533
1534 case RSVP_OBJ_ERROR_SPEC:
1535 switch(rsvp_obj_ctype) {
1536 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1537 case RSVP_CTYPE_IPV4:
1538 if (obj_tlen < 8)
1539 return-1;
1540 error_code=*(obj_tptr+5);
1541 error_value=EXTRACT_16BITS(obj_tptr+6);
1542 ND_PRINT((ndo, "%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1543 ident,
1544 ipaddr_string(ndo, obj_tptr),
1545 *(obj_tptr+4),
1546 ident,
1547 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1548 error_code));
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 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE: /* fall through */
1556 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD:
1557 ND_PRINT((ndo, ", Error Value: %s (%u)",
1558 tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value),
1559 error_value));
1560 break;
1561 default:
1562 ND_PRINT((ndo, ", Unknown Error Value (%u)", error_value));
1563 break;
1564 }
1565 obj_tlen-=8;
1566 obj_tptr+=8;
1567 break;
1568 #ifdef INET6
1569 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1570 case RSVP_CTYPE_IPV6:
1571 if (obj_tlen < 20)
1572 return-1;
1573 error_code=*(obj_tptr+17);
1574 error_value=EXTRACT_16BITS(obj_tptr+18);
1575 ND_PRINT((ndo, "%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1576 ident,
1577 ip6addr_string(ndo, obj_tptr),
1578 *(obj_tptr+16),
1579 ident,
1580 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1581 error_code));
1582
1583 switch (error_code) {
1584 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1585 ND_PRINT((ndo, ", Error Value: %s (%u)",
1586 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1587 error_value));
1588 break;
1589 default:
1590 break;
1591 }
1592 obj_tlen-=20;
1593 obj_tptr+=20;
1594 break;
1595 #endif
1596 default:
1597 hexdump=TRUE;
1598 }
1599 break;
1600
1601 case RSVP_OBJ_PROPERTIES:
1602 switch(rsvp_obj_ctype) {
1603 case RSVP_CTYPE_1:
1604 if (obj_tlen < 4)
1605 return-1;
1606 padbytes = EXTRACT_16BITS(obj_tptr+2);
1607 ND_PRINT((ndo, "%s TLV count: %u, padding bytes: %u",
1608 ident,
1609 EXTRACT_16BITS(obj_tptr),
1610 padbytes));
1611 obj_tlen-=4;
1612 obj_tptr+=4;
1613 /* loop through as long there is anything longer than the TLV header (2) */
1614 while(obj_tlen >= 2 + padbytes) {
1615 ND_PRINT((ndo, "%s %s TLV (0x%02x), length: %u", /* length includes header */
1616 ident,
1617 tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
1618 *obj_tptr,
1619 *(obj_tptr + 1)));
1620 if (obj_tlen < *(obj_tptr+1))
1621 return-1;
1622 if (*(obj_tptr+1) < 2)
1623 return -1;
1624 print_unknown_data(ndo, obj_tptr + 2, "\n\t\t", *(obj_tptr + 1) - 2);
1625 obj_tlen-=*(obj_tptr+1);
1626 obj_tptr+=*(obj_tptr+1);
1627 }
1628 break;
1629 default:
1630 hexdump=TRUE;
1631 }
1632 break;
1633
1634 case RSVP_OBJ_MESSAGE_ID: /* fall through */
1635 case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */
1636 case RSVP_OBJ_MESSAGE_ID_LIST:
1637 switch(rsvp_obj_ctype) {
1638 case RSVP_CTYPE_1:
1639 case RSVP_CTYPE_2:
1640 if (obj_tlen < 8)
1641 return-1;
1642 ND_PRINT((ndo, "%s Flags [0x%02x], epoch: %u",
1643 ident,
1644 *obj_tptr,
1645 EXTRACT_24BITS(obj_tptr + 1)));
1646 obj_tlen-=4;
1647 obj_tptr+=4;
1648 /* loop through as long there are no messages left */
1649 while(obj_tlen >= 4) {
1650 ND_PRINT((ndo, "%s Message-ID 0x%08x (%u)",
1651 ident,
1652 EXTRACT_32BITS(obj_tptr),
1653 EXTRACT_32BITS(obj_tptr)));
1654 obj_tlen-=4;
1655 obj_tptr+=4;
1656 }
1657 break;
1658 default:
1659 hexdump=TRUE;
1660 }
1661 break;
1662
1663 case RSVP_OBJ_INTEGRITY:
1664 switch(rsvp_obj_ctype) {
1665 case RSVP_CTYPE_1:
1666 if (obj_tlen < sizeof(struct rsvp_obj_integrity_t))
1667 return-1;
1668 obj_ptr.rsvp_obj_integrity = (const struct rsvp_obj_integrity_t *)obj_tptr;
1669 ND_PRINT((ndo, "%s Key-ID 0x%04x%08x, Sequence 0x%08x%08x, Flags [%s]",
1670 ident,
1671 EXTRACT_16BITS(obj_ptr.rsvp_obj_integrity->key_id),
1672 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->key_id+2),
1673 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence),
1674 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence+4),
1675 bittok2str(rsvp_obj_integrity_flag_values,
1676 "none",
1677 obj_ptr.rsvp_obj_integrity->flags)));
1678 ND_PRINT((ndo, "%s MD5-sum 0x%08x%08x%08x%08x ",
1679 ident,
1680 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest),
1681 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+4),
1682 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+8),
1683 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest + 12)));
1684
1685 #ifdef HAVE_LIBCRYPTO
1686 sigcheck = signature_verify(ndo, pptr, plen, (unsigned char *)obj_ptr.\
1687 rsvp_obj_integrity->digest);
1688 #else
1689 sigcheck = CANT_CHECK_SIGNATURE;
1690 #endif
1691 ND_PRINT((ndo, " (%s)", tok2str(signature_check_values, "Unknown", sigcheck)));
1692
1693 obj_tlen+=sizeof(struct rsvp_obj_integrity_t);
1694 obj_tptr+=sizeof(struct rsvp_obj_integrity_t);
1695 break;
1696 default:
1697 hexdump=TRUE;
1698 }
1699 break;
1700
1701 case RSVP_OBJ_ADMIN_STATUS:
1702 switch(rsvp_obj_ctype) {
1703 case RSVP_CTYPE_1:
1704 if (obj_tlen < 4)
1705 return-1;
1706 ND_PRINT((ndo, "%s Flags [%s]", ident,
1707 bittok2str(rsvp_obj_admin_status_flag_values, "none",
1708 EXTRACT_32BITS(obj_tptr))));
1709 obj_tlen-=4;
1710 obj_tptr+=4;
1711 break;
1712 default:
1713 hexdump=TRUE;
1714 }
1715 break;
1716
1717 case RSVP_OBJ_LABEL_SET:
1718 switch(rsvp_obj_ctype) {
1719 case RSVP_CTYPE_1:
1720 if (obj_tlen < 4)
1721 return-1;
1722 action = (EXTRACT_16BITS(obj_tptr)>>8);
1723
1724 ND_PRINT((ndo, "%s Action: %s (%u), Label type: %u", ident,
1725 tok2str(rsvp_obj_label_set_action_values, "Unknown", action),
1726 action, ((EXTRACT_32BITS(obj_tptr) & 0x7F))));
1727
1728 switch (action) {
1729 case LABEL_SET_INCLUSIVE_RANGE:
1730 case LABEL_SET_EXCLUSIVE_RANGE: /* fall through */
1731
1732 /* only a couple of subchannels are expected */
1733 if (obj_tlen < 12)
1734 return -1;
1735 ND_PRINT((ndo, "%s Start range: %u, End range: %u", ident,
1736 EXTRACT_32BITS(obj_tptr+4),
1737 EXTRACT_32BITS(obj_tptr + 8)));
1738 obj_tlen-=12;
1739 obj_tptr+=12;
1740 break;
1741
1742 default:
1743 obj_tlen-=4;
1744 obj_tptr+=4;
1745 subchannel = 1;
1746 while(obj_tlen >= 4 ) {
1747 ND_PRINT((ndo, "%s Subchannel #%u: %u", ident, subchannel,
1748 EXTRACT_32BITS(obj_tptr)));
1749 obj_tptr+=4;
1750 obj_tlen-=4;
1751 subchannel++;
1752 }
1753 break;
1754 }
1755 break;
1756 default:
1757 hexdump=TRUE;
1758 }
1759
1760 case RSVP_OBJ_S2L:
1761 switch (rsvp_obj_ctype) {
1762 case RSVP_CTYPE_IPV4:
1763 if (obj_tlen < 4)
1764 return-1;
1765 ND_PRINT((ndo, "%s Sub-LSP destination address: %s",
1766 ident, ipaddr_string(ndo, obj_tptr)));
1767
1768 obj_tlen-=4;
1769 obj_tptr+=4;
1770 break;
1771 #ifdef INET6
1772 case RSVP_CTYPE_IPV6:
1773 if (obj_tlen < 16)
1774 return-1;
1775 ND_PRINT((ndo, "%s Sub-LSP destination address: %s",
1776 ident, ip6addr_string(ndo, obj_tptr)));
1777
1778 obj_tlen-=16;
1779 obj_tptr+=16;
1780 break;
1781 #endif
1782 default:
1783 hexdump=TRUE;
1784 }
1785
1786 /*
1787 * FIXME those are the defined objects that lack a decoder
1788 * you are welcome to contribute code ;-)
1789 */
1790
1791 case RSVP_OBJ_SCOPE:
1792 case RSVP_OBJ_POLICY_DATA:
1793 case RSVP_OBJ_ACCEPT_LABEL_SET:
1794 case RSVP_OBJ_PROTECTION:
1795 default:
1796 if (ndo->ndo_vflag <= 1)
1797 print_unknown_data(ndo, obj_tptr, "\n\t ", obj_tlen); /* FIXME indentation */
1798 break;
1799 }
1800 /* do we also want to see a hex dump ? */
1801 if (ndo->ndo_vflag > 1 || hexdump == TRUE)
1802 print_unknown_data(ndo, tptr + sizeof(struct rsvp_object_header), "\n\t ", /* FIXME indentation */
1803 rsvp_obj_len - sizeof(struct rsvp_object_header));
1804
1805 tptr+=rsvp_obj_len;
1806 tlen-=rsvp_obj_len;
1807 }
1808 return 0;
1809 invalid:
1810 ND_PRINT((ndo, "%s", istr));
1811 return -1;
1812 trunc:
1813 ND_PRINT((ndo, "\n\t\t"));
1814 ND_PRINT((ndo, "%s", tstr));
1815 return -1;
1816 }
1817
1818 void
1819 rsvp_print(netdissect_options *ndo,
1820 register const u_char *pptr, register u_int len)
1821 {
1822 struct rsvp_common_header *rsvp_com_header;
1823 const u_char *tptr,*subtptr;
1824 u_short plen, tlen, subtlen;
1825
1826 tptr=pptr;
1827
1828 rsvp_com_header = (struct rsvp_common_header *)pptr;
1829 ND_TCHECK(*rsvp_com_header);
1830
1831 /*
1832 * Sanity checking of the header.
1833 */
1834 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1835 ND_PRINT((ndo, "ERROR: RSVP version %u packet not supported",
1836 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)));
1837 return;
1838 }
1839
1840 /* in non-verbose mode just lets print the basic Message Type*/
1841 if (ndo->ndo_vflag < 1) {
1842 ND_PRINT((ndo, "RSVPv%u %s Message, length: %u",
1843 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1844 tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
1845 len));
1846 return;
1847 }
1848
1849 /* ok they seem to want to know everything - lets fully decode it */
1850
1851 plen = tlen = EXTRACT_16BITS(rsvp_com_header->length);
1852
1853 ND_PRINT((ndo, "\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1854 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1855 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1856 rsvp_com_header->msg_type,
1857 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1858 tlen,
1859 rsvp_com_header->ttl,
1860 EXTRACT_16BITS(rsvp_com_header->checksum)));
1861
1862 /*
1863 * Clear checksum prior to signature verification.
1864 */
1865 rsvp_com_header->checksum[0] = 0;
1866 rsvp_com_header->checksum[1] = 0;
1867
1868 if (tlen < sizeof(const struct rsvp_common_header)) {
1869 ND_PRINT((ndo, "ERROR: common header too short %u < %lu", tlen,
1870 (unsigned long)sizeof(const struct rsvp_common_header)));
1871 return;
1872 }
1873
1874 tptr+=sizeof(const struct rsvp_common_header);
1875 tlen-=sizeof(const struct rsvp_common_header);
1876
1877 switch(rsvp_com_header->msg_type) {
1878
1879 case RSVP_MSGTYPE_AGGREGATE:
1880 while(tlen > 0) {
1881 subtptr=tptr;
1882 rsvp_com_header = (struct rsvp_common_header *)subtptr;
1883 ND_TCHECK(*rsvp_com_header);
1884
1885 /*
1886 * Sanity checking of the header.
1887 */
1888 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1889 ND_PRINT((ndo, "ERROR: RSVP version %u packet not supported",
1890 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)));
1891 return;
1892 }
1893 subtlen=EXTRACT_16BITS(rsvp_com_header->length);
1894
1895 ND_PRINT((ndo, "\n\t RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1896 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1897 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1898 rsvp_com_header->msg_type,
1899 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1900 subtlen,
1901 rsvp_com_header->ttl,
1902 EXTRACT_16BITS(rsvp_com_header->checksum)));
1903
1904 /*
1905 * Clear checksum prior to signature verification.
1906 */
1907 rsvp_com_header->checksum[0] = 0;
1908 rsvp_com_header->checksum[1] = 0;
1909
1910 if (subtlen < sizeof(const struct rsvp_common_header)) {
1911 ND_PRINT((ndo, "ERROR: common header too short %u < %lu", subtlen,
1912 (unsigned long)sizeof(const struct rsvp_common_header)));
1913 return;
1914 }
1915
1916 if (tlen < subtlen) {
1917 ND_PRINT((ndo, "ERROR: common header too large %u > %u", subtlen,
1918 tlen));
1919 return;
1920 }
1921
1922 subtptr+=sizeof(const struct rsvp_common_header);
1923 subtlen-=sizeof(const struct rsvp_common_header);
1924
1925 if (rsvp_obj_print(ndo, pptr, plen, subtptr, "\n\t ", subtlen) == -1)
1926 return;
1927
1928 tptr+=subtlen+sizeof(const struct rsvp_common_header);
1929 tlen-=subtlen+sizeof(const struct rsvp_common_header);
1930 }
1931
1932 break;
1933
1934 case RSVP_MSGTYPE_PATH:
1935 case RSVP_MSGTYPE_RESV:
1936 case RSVP_MSGTYPE_PATHERR:
1937 case RSVP_MSGTYPE_RESVERR:
1938 case RSVP_MSGTYPE_PATHTEAR:
1939 case RSVP_MSGTYPE_RESVTEAR:
1940 case RSVP_MSGTYPE_RESVCONF:
1941 case RSVP_MSGTYPE_HELLO_OLD:
1942 case RSVP_MSGTYPE_HELLO:
1943 case RSVP_MSGTYPE_ACK:
1944 case RSVP_MSGTYPE_SREFRESH:
1945 if (rsvp_obj_print(ndo, pptr, plen, tptr, "\n\t ", tlen) == -1)
1946 return;
1947 break;
1948
1949 default:
1950 print_unknown_data(ndo, tptr, "\n\t ", tlen);
1951 break;
1952 }
1953
1954 return;
1955 trunc:
1956 ND_PRINT((ndo, "\n\t\t"));
1957 ND_PRINT((ndo, "%s", tstr));
1958 }
[mirror] the TCPdump network dissector