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RSVP: Fix an infinite loop
[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 istr[] = " (invalid)";
34
35 /*
36 * RFC 2205 common header
37 *
38 * 0 1 2 3
39 * +-------------+-------------+-------------+-------------+
40 * | Vers | Flags| Msg Type | RSVP Checksum |
41 * +-------------+-------------+-------------+-------------+
42 * | Send_TTL | (Reserved) | RSVP Length |
43 * +-------------+-------------+-------------+-------------+
44 *
45 */
46
47 struct rsvp_common_header {
48 uint8_t version_flags;
49 uint8_t msg_type;
50 uint8_t checksum[2];
51 uint8_t ttl;
52 uint8_t reserved;
53 uint8_t length[2];
54 };
55
56 /*
57 * RFC2205 object header
58 *
59 *
60 * 0 1 2 3
61 * +-------------+-------------+-------------+-------------+
62 * | Length (bytes) | Class-Num | C-Type |
63 * +-------------+-------------+-------------+-------------+
64 * | |
65 * // (Object contents) //
66 * | |
67 * +-------------+-------------+-------------+-------------+
68 */
69
70 struct rsvp_object_header {
71 uint8_t length[2];
72 uint8_t class_num;
73 uint8_t ctype;
74 };
75
76 #define RSVP_VERSION 1
77 #define RSVP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
78 #define RSVP_EXTRACT_FLAGS(x) ((x)&0x0f)
79
80 #define RSVP_MSGTYPE_PATH 1
81 #define RSVP_MSGTYPE_RESV 2
82 #define RSVP_MSGTYPE_PATHERR 3
83 #define RSVP_MSGTYPE_RESVERR 4
84 #define RSVP_MSGTYPE_PATHTEAR 5
85 #define RSVP_MSGTYPE_RESVTEAR 6
86 #define RSVP_MSGTYPE_RESVCONF 7
87 #define RSVP_MSGTYPE_AGGREGATE 12
88 #define RSVP_MSGTYPE_ACK 13
89 #define RSVP_MSGTYPE_HELLO_OLD 14 /* ancient Hellos */
90 #define RSVP_MSGTYPE_SREFRESH 15
91 #define RSVP_MSGTYPE_HELLO 20
92
93 static const struct tok rsvp_msg_type_values[] = {
94 { RSVP_MSGTYPE_PATH, "Path" },
95 { RSVP_MSGTYPE_RESV, "Resv" },
96 { RSVP_MSGTYPE_PATHERR, "PathErr" },
97 { RSVP_MSGTYPE_RESVERR, "ResvErr" },
98 { RSVP_MSGTYPE_PATHTEAR, "PathTear" },
99 { RSVP_MSGTYPE_RESVTEAR, "ResvTear" },
100 { RSVP_MSGTYPE_RESVCONF, "ResvConf" },
101 { RSVP_MSGTYPE_AGGREGATE, "Aggregate" },
102 { RSVP_MSGTYPE_ACK, "Acknowledgement" },
103 { RSVP_MSGTYPE_HELLO_OLD, "Hello (Old)" },
104 { RSVP_MSGTYPE_SREFRESH, "Refresh" },
105 { RSVP_MSGTYPE_HELLO, "Hello" },
106 { 0, NULL}
107 };
108
109 static const struct tok rsvp_header_flag_values[] = {
110 { 0x01, "Refresh reduction capable" }, /* rfc2961 */
111 { 0, NULL}
112 };
113
114 #define RSVP_OBJ_SESSION 1 /* rfc2205 */
115 #define RSVP_OBJ_RSVP_HOP 3 /* rfc2205, rfc3473 */
116 #define RSVP_OBJ_INTEGRITY 4 /* rfc2747 */
117 #define RSVP_OBJ_TIME_VALUES 5 /* rfc2205 */
118 #define RSVP_OBJ_ERROR_SPEC 6
119 #define RSVP_OBJ_SCOPE 7
120 #define RSVP_OBJ_STYLE 8 /* rfc2205 */
121 #define RSVP_OBJ_FLOWSPEC 9 /* rfc2215 */
122 #define RSVP_OBJ_FILTERSPEC 10 /* rfc2215 */
123 #define RSVP_OBJ_SENDER_TEMPLATE 11
124 #define RSVP_OBJ_SENDER_TSPEC 12 /* rfc2215 */
125 #define RSVP_OBJ_ADSPEC 13 /* rfc2215 */
126 #define RSVP_OBJ_POLICY_DATA 14
127 #define RSVP_OBJ_CONFIRM 15 /* rfc2205 */
128 #define RSVP_OBJ_LABEL 16 /* rfc3209 */
129 #define RSVP_OBJ_LABEL_REQ 19 /* rfc3209 */
130 #define RSVP_OBJ_ERO 20 /* rfc3209 */
131 #define RSVP_OBJ_RRO 21 /* rfc3209 */
132 #define RSVP_OBJ_HELLO 22 /* rfc3209 */
133 #define RSVP_OBJ_MESSAGE_ID 23 /* rfc2961 */
134 #define RSVP_OBJ_MESSAGE_ID_ACK 24 /* rfc2961 */
135 #define RSVP_OBJ_MESSAGE_ID_LIST 25 /* rfc2961 */
136 #define RSVP_OBJ_RECOVERY_LABEL 34 /* rfc3473 */
137 #define RSVP_OBJ_UPSTREAM_LABEL 35 /* rfc3473 */
138 #define RSVP_OBJ_LABEL_SET 36 /* rfc3473 */
139 #define RSVP_OBJ_PROTECTION 37 /* rfc3473 */
140 #define RSVP_OBJ_S2L 50 /* rfc4875 */
141 #define RSVP_OBJ_DETOUR 63 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */
142 #define RSVP_OBJ_CLASSTYPE 66 /* rfc4124 */
143 #define RSVP_OBJ_CLASSTYPE_OLD 125 /* draft-ietf-tewg-diff-te-proto-07 */
144 #define RSVP_OBJ_SUGGESTED_LABEL 129 /* rfc3473 */
145 #define RSVP_OBJ_ACCEPT_LABEL_SET 130 /* rfc3473 */
146 #define RSVP_OBJ_RESTART_CAPABILITY 131 /* rfc3473 */
147 #define RSVP_OBJ_NOTIFY_REQ 195 /* rfc3473 */
148 #define RSVP_OBJ_ADMIN_STATUS 196 /* rfc3473 */
149 #define RSVP_OBJ_PROPERTIES 204 /* juniper proprietary */
150 #define RSVP_OBJ_FASTREROUTE 205 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */
151 #define RSVP_OBJ_SESSION_ATTRIBUTE 207 /* rfc3209 */
152 #define RSVP_OBJ_GENERALIZED_UNI 229 /* OIF RSVP extensions UNI 1.0 Signaling, Rel. 2 */
153 #define RSVP_OBJ_CALL_ID 230 /* rfc3474 */
154 #define RSVP_OBJ_CALL_OPS 236 /* rfc3474 */
155
156 static const struct tok rsvp_obj_values[] = {
157 { RSVP_OBJ_SESSION, "Session" },
158 { RSVP_OBJ_RSVP_HOP, "RSVP Hop" },
159 { RSVP_OBJ_INTEGRITY, "Integrity" },
160 { RSVP_OBJ_TIME_VALUES, "Time Values" },
161 { RSVP_OBJ_ERROR_SPEC, "Error Spec" },
162 { RSVP_OBJ_SCOPE, "Scope" },
163 { RSVP_OBJ_STYLE, "Style" },
164 { RSVP_OBJ_FLOWSPEC, "Flowspec" },
165 { RSVP_OBJ_FILTERSPEC, "FilterSpec" },
166 { RSVP_OBJ_SENDER_TEMPLATE, "Sender Template" },
167 { RSVP_OBJ_SENDER_TSPEC, "Sender TSpec" },
168 { RSVP_OBJ_ADSPEC, "Adspec" },
169 { RSVP_OBJ_POLICY_DATA, "Policy Data" },
170 { RSVP_OBJ_CONFIRM, "Confirm" },
171 { RSVP_OBJ_LABEL, "Label" },
172 { RSVP_OBJ_LABEL_REQ, "Label Request" },
173 { RSVP_OBJ_ERO, "ERO" },
174 { RSVP_OBJ_RRO, "RRO" },
175 { RSVP_OBJ_HELLO, "Hello" },
176 { RSVP_OBJ_MESSAGE_ID, "Message ID" },
177 { RSVP_OBJ_MESSAGE_ID_ACK, "Message ID Ack" },
178 { RSVP_OBJ_MESSAGE_ID_LIST, "Message ID List" },
179 { RSVP_OBJ_RECOVERY_LABEL, "Recovery Label" },
180 { RSVP_OBJ_UPSTREAM_LABEL, "Upstream Label" },
181 { RSVP_OBJ_LABEL_SET, "Label Set" },
182 { RSVP_OBJ_ACCEPT_LABEL_SET, "Acceptable Label Set" },
183 { RSVP_OBJ_DETOUR, "Detour" },
184 { RSVP_OBJ_CLASSTYPE, "Class Type" },
185 { RSVP_OBJ_CLASSTYPE_OLD, "Class Type (old)" },
186 { RSVP_OBJ_SUGGESTED_LABEL, "Suggested Label" },
187 { RSVP_OBJ_PROPERTIES, "Properties" },
188 { RSVP_OBJ_FASTREROUTE, "Fast Re-Route" },
189 { RSVP_OBJ_SESSION_ATTRIBUTE, "Session Attribute" },
190 { RSVP_OBJ_GENERALIZED_UNI, "Generalized UNI" },
191 { RSVP_OBJ_CALL_ID, "Call-ID" },
192 { RSVP_OBJ_CALL_OPS, "Call Capability" },
193 { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" },
194 { RSVP_OBJ_NOTIFY_REQ, "Notify Request" },
195 { RSVP_OBJ_PROTECTION, "Protection" },
196 { RSVP_OBJ_ADMIN_STATUS, "Administrative Status" },
197 { RSVP_OBJ_S2L, "Sub-LSP to LSP" },
198 { 0, NULL}
199 };
200
201 #define RSVP_CTYPE_IPV4 1
202 #define RSVP_CTYPE_IPV6 2
203 #define RSVP_CTYPE_TUNNEL_IPV4 7
204 #define RSVP_CTYPE_TUNNEL_IPV6 8
205 #define RSVP_CTYPE_UNI_IPV4 11 /* OIF RSVP extensions UNI 1.0 Signaling Rel. 2 */
206 #define RSVP_CTYPE_1 1
207 #define RSVP_CTYPE_2 2
208 #define RSVP_CTYPE_3 3
209 #define RSVP_CTYPE_4 4
210 #define RSVP_CTYPE_12 12
211 #define RSVP_CTYPE_13 13
212 #define RSVP_CTYPE_14 14
213
214 /*
215 * the ctypes are not globally unique so for
216 * translating it to strings we build a table based
217 * on objects offsetted by the ctype
218 */
219
220 static const struct tok rsvp_ctype_values[] = {
221 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV4, "IPv4" },
222 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV6, "IPv6" },
223 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
224 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
225 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV4, "IPv4" },
226 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV6, "IPv6" },
227 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV4, "IPv4" },
228 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV6, "IPv6" },
229 { 256*RSVP_OBJ_TIME_VALUES+RSVP_CTYPE_1, "1" },
230 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_1, "obsolete" },
231 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_2, "IntServ" },
232 { 256*RSVP_OBJ_SENDER_TSPEC+RSVP_CTYPE_2, "IntServ" },
233 { 256*RSVP_OBJ_ADSPEC+RSVP_CTYPE_2, "IntServ" },
234 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV4, "IPv4" },
235 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6, "IPv6" },
236 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3, "IPv6 Flow-label" },
237 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
238 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" },
239 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" },
240 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4, "IPv4" },
241 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6, "IPv6" },
242 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
243 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_UNI_IPV4, "UNI IPv4" },
244 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_13, "IPv4 P2MP LSP Tunnel" },
245 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_14, "IPv6 P2MP LSP Tunnel" },
246 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV4, "IPv4" },
247 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6, "IPv6" },
248 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
249 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" },
250 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" },
251 { 256*RSVP_OBJ_MESSAGE_ID+RSVP_CTYPE_1, "1" },
252 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_1, "Message id ack" },
253 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_2, "Message id nack" },
254 { 256*RSVP_OBJ_MESSAGE_ID_LIST+RSVP_CTYPE_1, "1" },
255 { 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1, "1" },
256 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1, "Hello Request" },
257 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2, "Hello Ack" },
258 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1, "without label range" },
259 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2, "with ATM label range" },
260 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3, "with FR label range" },
261 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4, "Generalized Label" },
262 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1, "Label" },
263 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_2, "Generalized Label" },
264 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
265 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1, "Label" },
266 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_2, "Generalized Label" },
267 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
268 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1, "Label" },
269 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_2, "Generalized Label" },
270 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
271 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_1, "Label" },
272 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_2, "Generalized Label" },
273 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
274 { 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4, "IPv4" },
275 { 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4, "IPv4" },
276 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4, "IPv4" },
277 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6, "IPv6" },
278 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
279 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
280 { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1, "IPv4" },
281 { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
282 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, /* old style*/
283 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_1, "1" }, /* new style */
284 { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
285 { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1, "1" },
286 { 256*RSVP_OBJ_ADMIN_STATUS+RSVP_CTYPE_1, "1" },
287 { 256*RSVP_OBJ_CLASSTYPE+RSVP_CTYPE_1, "1" },
288 { 256*RSVP_OBJ_CLASSTYPE_OLD+RSVP_CTYPE_1, "1" },
289 { 256*RSVP_OBJ_LABEL_SET+RSVP_CTYPE_1, "1" },
290 { 256*RSVP_OBJ_GENERALIZED_UNI+RSVP_CTYPE_1, "1" },
291 { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV4, "IPv4 sub-LSP" },
292 { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV6, "IPv6 sub-LSP" },
293 { 0, NULL}
294 };
295
296 struct rsvp_obj_integrity_t {
297 uint8_t flags;
298 uint8_t res;
299 uint8_t key_id[6];
300 uint8_t sequence[8];
301 uint8_t digest[16];
302 };
303
304 static const struct tok rsvp_obj_integrity_flag_values[] = {
305 { 0x80, "Handshake" },
306 { 0, NULL}
307 };
308
309 struct rsvp_obj_frr_t {
310 uint8_t setup_prio;
311 uint8_t hold_prio;
312 uint8_t hop_limit;
313 uint8_t flags;
314 uint8_t bandwidth[4];
315 uint8_t include_any[4];
316 uint8_t exclude_any[4];
317 uint8_t include_all[4];
318 };
319
320
321 #define RSVP_OBJ_XRO_MASK_SUBOBJ(x) ((x)&0x7f)
322 #define RSVP_OBJ_XRO_MASK_LOOSE(x) ((x)&0x80)
323
324 #define RSVP_OBJ_XRO_RES 0
325 #define RSVP_OBJ_XRO_IPV4 1
326 #define RSVP_OBJ_XRO_IPV6 2
327 #define RSVP_OBJ_XRO_LABEL 3
328 #define RSVP_OBJ_XRO_ASN 32
329 #define RSVP_OBJ_XRO_MPLS 64
330
331 static const struct tok rsvp_obj_xro_values[] = {
332 { RSVP_OBJ_XRO_RES, "Reserved" },
333 { RSVP_OBJ_XRO_IPV4, "IPv4 prefix" },
334 { RSVP_OBJ_XRO_IPV6, "IPv6 prefix" },
335 { RSVP_OBJ_XRO_LABEL, "Label" },
336 { RSVP_OBJ_XRO_ASN, "Autonomous system number" },
337 { RSVP_OBJ_XRO_MPLS, "MPLS label switched path termination" },
338 { 0, NULL}
339 };
340
341 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07.txt */
342 static const struct tok rsvp_obj_rro_flag_values[] = {
343 { 0x01, "Local protection available" },
344 { 0x02, "Local protection in use" },
345 { 0x04, "Bandwidth protection" },
346 { 0x08, "Node protection" },
347 { 0, NULL}
348 };
349
350 /* RFC3209 */
351 static const struct tok rsvp_obj_rro_label_flag_values[] = {
352 { 0x01, "Global" },
353 { 0, NULL}
354 };
355
356 static const struct tok rsvp_resstyle_values[] = {
357 { 17, "Wildcard Filter" },
358 { 10, "Fixed Filter" },
359 { 18, "Shared Explicit" },
360 { 0, NULL}
361 };
362
363 #define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2
364 #define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5
365
366 static const struct tok rsvp_intserv_service_type_values[] = {
367 { 1, "Default/Global Information" },
368 { RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" },
369 { RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" },
370 { 0, NULL}
371 };
372
373 static const struct tok rsvp_intserv_parameter_id_values[] = {
374 { 4, "IS hop cnt" },
375 { 6, "Path b/w estimate" },
376 { 8, "Minimum path latency" },
377 { 10, "Composed MTU" },
378 { 127, "Token Bucket TSpec" },
379 { 130, "Guaranteed Service RSpec" },
380 { 133, "End-to-end composed value for C" },
381 { 134, "End-to-end composed value for D" },
382 { 135, "Since-last-reshaping point composed C" },
383 { 136, "Since-last-reshaping point composed D" },
384 { 0, NULL}
385 };
386
387 static const struct tok rsvp_session_attribute_flag_values[] = {
388 { 0x01, "Local Protection" },
389 { 0x02, "Label Recording" },
390 { 0x04, "SE Style" },
391 { 0x08, "Bandwidth protection" }, /* RFC4090 */
392 { 0x10, "Node protection" }, /* RFC4090 */
393 { 0, NULL}
394 };
395
396 static const struct tok rsvp_obj_prop_tlv_values[] = {
397 { 0x01, "Cos" },
398 { 0x02, "Metric 1" },
399 { 0x04, "Metric 2" },
400 { 0x08, "CCC Status" },
401 { 0x10, "Path Type" },
402 { 0, NULL}
403 };
404
405 #define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24
406 #define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY 25
407 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 28
408 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD 125
409
410 static const struct tok rsvp_obj_error_code_values[] = {
411 { RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" },
412 { RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY, "Notify Error" },
413 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE, "Diffserv TE Error" },
414 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD, "Diffserv TE Error (Old)" },
415 { 0, NULL}
416 };
417
418 static const struct tok rsvp_obj_error_code_routing_values[] = {
419 { 1, "Bad EXPLICIT_ROUTE object" },
420 { 2, "Bad strict node" },
421 { 3, "Bad loose node" },
422 { 4, "Bad initial subobject" },
423 { 5, "No route available toward destination" },
424 { 6, "Unacceptable label value" },
425 { 7, "RRO indicated routing loops" },
426 { 8, "non-RSVP-capable router in the path" },
427 { 9, "MPLS label allocation failure" },
428 { 10, "Unsupported L3PID" },
429 { 0, NULL}
430 };
431
432 static const struct tok rsvp_obj_error_code_diffserv_te_values[] = {
433 { 1, "Unexpected CT object" },
434 { 2, "Unsupported CT" },
435 { 3, "Invalid CT value" },
436 { 4, "CT/setup priority do not form a configured TE-Class" },
437 { 5, "CT/holding priority do not form a configured TE-Class" },
438 { 6, "CT/setup priority and CT/holding priority do not form a configured TE-Class" },
439 { 7, "Inconsistency between signaled PSC and signaled CT" },
440 { 8, "Inconsistency between signaled PHBs and signaled CT" },
441 { 0, NULL}
442 };
443
444 /* rfc3473 / rfc 3471 */
445 static const struct tok rsvp_obj_admin_status_flag_values[] = {
446 { 0x80000000, "Reflect" },
447 { 0x00000004, "Testing" },
448 { 0x00000002, "Admin-down" },
449 { 0x00000001, "Delete-in-progress" },
450 { 0, NULL}
451 };
452
453 /* label set actions - rfc3471 */
454 #define LABEL_SET_INCLUSIVE_LIST 0
455 #define LABEL_SET_EXCLUSIVE_LIST 1
456 #define LABEL_SET_INCLUSIVE_RANGE 2
457 #define LABEL_SET_EXCLUSIVE_RANGE 3
458
459 static const struct tok rsvp_obj_label_set_action_values[] = {
460 { LABEL_SET_INCLUSIVE_LIST, "Inclusive list" },
461 { LABEL_SET_EXCLUSIVE_LIST, "Exclusive list" },
462 { LABEL_SET_INCLUSIVE_RANGE, "Inclusive range" },
463 { LABEL_SET_EXCLUSIVE_RANGE, "Exclusive range" },
464 { 0, NULL}
465 };
466
467 /* OIF RSVP extensions UNI 1.0 Signaling, release 2 */
468 #define RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS 1
469 #define RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS 2
470 #define RSVP_GEN_UNI_SUBOBJ_DIVERSITY 3
471 #define RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL 4
472 #define RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL 5
473
474 static const struct tok rsvp_obj_generalized_uni_values[] = {
475 { RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS, "Source TNA address" },
476 { RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS, "Destination TNA address" },
477 { RSVP_GEN_UNI_SUBOBJ_DIVERSITY, "Diversity" },
478 { RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL, "Egress label" },
479 { RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL, "Service level" },
480 { 0, NULL}
481 };
482
483 /*
484 * this is a dissector for all the intserv defined
485 * specs as defined per rfc2215
486 * it is called from various rsvp objects;
487 * returns the amount of bytes being processed
488 */
489 static int
490 rsvp_intserv_print(netdissect_options *ndo,
491 const u_char *tptr, u_short obj_tlen)
492 {
493 int parameter_id,parameter_length;
494 union {
495 float f;
496 uint32_t i;
497 } bw;
498
499 if (obj_tlen < 4)
500 return 0;
501 parameter_id = *(tptr);
502 parameter_length = EXTRACT_16BITS(tptr+2)<<2; /* convert wordcount to bytecount */
503
504 ND_PRINT((ndo, "\n\t Parameter ID: %s (%u), length: %u, Flags: [0x%02x]",
505 tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id),
506 parameter_id,
507 parameter_length,
508 *(tptr + 1)));
509
510 if (obj_tlen < parameter_length+4)
511 return 0;
512 switch(parameter_id) { /* parameter_id */
513
514 case 4:
515 /*
516 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
517 * | 4 (e) | (f) | 1 (g) |
518 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
519 * | IS hop cnt (32-bit unsigned integer) |
520 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
521 */
522 if (parameter_length == 4)
523 ND_PRINT((ndo, "\n\t\tIS hop count: %u", EXTRACT_32BITS(tptr + 4)));
524 break;
525
526 case 6:
527 /*
528 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
529 * | 6 (h) | (i) | 1 (j) |
530 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
531 * | Path b/w estimate (32-bit IEEE floating point number) |
532 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
533 */
534 if (parameter_length == 4) {
535 bw.i = EXTRACT_32BITS(tptr+4);
536 ND_PRINT((ndo, "\n\t\tPath b/w estimate: %.10g Mbps", bw.f / 125000));
537 }
538 break;
539
540 case 8:
541 /*
542 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
543 * | 8 (k) | (l) | 1 (m) |
544 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
545 * | Minimum path latency (32-bit integer) |
546 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
547 */
548 if (parameter_length == 4) {
549 ND_PRINT((ndo, "\n\t\tMinimum path latency: "));
550 if (EXTRACT_32BITS(tptr+4) == 0xffffffff)
551 ND_PRINT((ndo, "don't care"));
552 else
553 ND_PRINT((ndo, "%u", EXTRACT_32BITS(tptr + 4)));
554 }
555 break;
556
557 case 10:
558
559 /*
560 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
561 * | 10 (n) | (o) | 1 (p) |
562 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
563 * | Composed MTU (32-bit unsigned integer) |
564 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
565 */
566 if (parameter_length == 4)
567 ND_PRINT((ndo, "\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr + 4)));
568 break;
569 case 127:
570 /*
571 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
572 * | 127 (e) | 0 (f) | 5 (g) |
573 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
574 * | Token Bucket Rate [r] (32-bit IEEE floating point number) |
575 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
576 * | Token Bucket Size [b] (32-bit IEEE floating point number) |
577 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
578 * | Peak Data Rate [p] (32-bit IEEE floating point number) |
579 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
580 * | Minimum Policed Unit [m] (32-bit integer) |
581 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
582 * | Maximum Packet Size [M] (32-bit integer) |
583 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
584 */
585
586 if (parameter_length == 20) {
587 bw.i = EXTRACT_32BITS(tptr+4);
588 ND_PRINT((ndo, "\n\t\tToken Bucket Rate: %.10g Mbps", bw.f / 125000));
589 bw.i = EXTRACT_32BITS(tptr+8);
590 ND_PRINT((ndo, "\n\t\tToken Bucket Size: %.10g bytes", bw.f));
591 bw.i = EXTRACT_32BITS(tptr+12);
592 ND_PRINT((ndo, "\n\t\tPeak Data Rate: %.10g Mbps", bw.f / 125000));
593 ND_PRINT((ndo, "\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr + 16)));
594 ND_PRINT((ndo, "\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr + 20)));
595 }
596 break;
597
598 case 130:
599 /*
600 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
601 * | 130 (h) | 0 (i) | 2 (j) |
602 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
603 * | Rate [R] (32-bit IEEE floating point number) |
604 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
605 * | Slack Term [S] (32-bit integer) |
606 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
607 */
608
609 if (parameter_length == 8) {
610 bw.i = EXTRACT_32BITS(tptr+4);
611 ND_PRINT((ndo, "\n\t\tRate: %.10g Mbps", bw.f / 125000));
612 ND_PRINT((ndo, "\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr + 8)));
613 }
614 break;
615
616 case 133:
617 case 134:
618 case 135:
619 case 136:
620 if (parameter_length == 4)
621 ND_PRINT((ndo, "\n\t\tValue: %u", EXTRACT_32BITS(tptr + 4)));
622 break;
623
624 default:
625 if (ndo->ndo_vflag <= 1)
626 print_unknown_data(ndo, tptr + 4, "\n\t\t", parameter_length);
627 }
628 return (parameter_length+4); /* header length 4 bytes */
629 }
630
631 static int
632 rsvp_obj_print(netdissect_options *ndo,
633 const u_char *pptr
634 #ifndef HAVE_LIBCRYPTO
635 _U_
636 #endif
637 , u_int plen
638 #ifndef HAVE_LIBCRYPTO
639 _U_
640 #endif
641 , const u_char *tptr,
642 const char *ident, u_int tlen)
643 {
644 const struct rsvp_object_header *rsvp_obj_header;
645 const u_char *obj_tptr;
646 union {
647 const struct rsvp_obj_integrity_t *rsvp_obj_integrity;
648 const struct rsvp_obj_frr_t *rsvp_obj_frr;
649 } obj_ptr;
650
651 u_short rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen;
652 int hexdump,processed,padbytes,error_code,error_value,i,sigcheck;
653 union {
654 float f;
655 uint32_t i;
656 } bw;
657 uint8_t namelen;
658
659 u_int action, subchannel;
660
661 while(tlen>=sizeof(struct rsvp_object_header)) {
662 /* did we capture enough for fully decoding the object header ? */
663 ND_TCHECK2(*tptr, sizeof(struct rsvp_object_header));
664
665 rsvp_obj_header = (const struct rsvp_object_header *)tptr;
666 rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length);
667 rsvp_obj_ctype=rsvp_obj_header->ctype;
668
669 if(rsvp_obj_len % 4) {
670 ND_PRINT((ndo, "%sERROR: object header size %u not a multiple of 4", ident, rsvp_obj_len));
671 return -1;
672 }
673 if(rsvp_obj_len < sizeof(struct rsvp_object_header)) {
674 ND_PRINT((ndo, "%sERROR: object header too short %u < %lu", ident, rsvp_obj_len,
675 (unsigned long)sizeof(const struct rsvp_object_header)));
676 return -1;
677 }
678
679 ND_PRINT((ndo, "%s%s Object (%u) Flags: [%s",
680 ident,
681 tok2str(rsvp_obj_values,
682 "Unknown",
683 rsvp_obj_header->class_num),
684 rsvp_obj_header->class_num,
685 ((rsvp_obj_header->class_num) & 0x80) ? "ignore" : "reject"));
686
687 if (rsvp_obj_header->class_num > 128)
688 ND_PRINT((ndo, " %s",
689 ((rsvp_obj_header->class_num) & 0x40) ? "and forward" : "silently"));
690
691 ND_PRINT((ndo, " if unknown], Class-Type: %s (%u), length: %u",
692 tok2str(rsvp_ctype_values,
693 "Unknown",
694 ((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype),
695 rsvp_obj_ctype,
696 rsvp_obj_len));
697
698 if(tlen < rsvp_obj_len) {
699 ND_PRINT((ndo, "%sERROR: object goes past end of objects TLV", ident));
700 return -1;
701 }
702
703 obj_tptr=tptr+sizeof(struct rsvp_object_header);
704 obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
705
706 /* did we capture enough for fully decoding the object ? */
707 if (!ND_TTEST2(*tptr, rsvp_obj_len))
708 return -1;
709 hexdump=FALSE;
710
711 switch(rsvp_obj_header->class_num) {
712 case RSVP_OBJ_SESSION:
713 switch(rsvp_obj_ctype) {
714 case RSVP_CTYPE_IPV4:
715 if (obj_tlen < 8)
716 return -1;
717 ND_PRINT((ndo, "%s IPv4 DestAddress: %s, Protocol ID: 0x%02x",
718 ident,
719 ipaddr_string(ndo, obj_tptr),
720 *(obj_tptr + sizeof(struct in_addr))));
721 ND_PRINT((ndo, "%s Flags: [0x%02x], DestPort %u",
722 ident,
723 *(obj_tptr+5),
724 EXTRACT_16BITS(obj_tptr + 6)));
725 obj_tlen-=8;
726 obj_tptr+=8;
727 break;
728 #ifdef INET6
729 case RSVP_CTYPE_IPV6:
730 if (obj_tlen < 20)
731 return -1;
732 ND_PRINT((ndo, "%s IPv6 DestAddress: %s, Protocol ID: 0x%02x",
733 ident,
734 ip6addr_string(ndo, obj_tptr),
735 *(obj_tptr + sizeof(struct in6_addr))));
736 ND_PRINT((ndo, "%s Flags: [0x%02x], DestPort %u",
737 ident,
738 *(obj_tptr+sizeof(struct in6_addr)+1),
739 EXTRACT_16BITS(obj_tptr + sizeof(struct in6_addr) + 2)));
740 obj_tlen-=20;
741 obj_tptr+=20;
742 break;
743
744 case RSVP_CTYPE_TUNNEL_IPV6:
745 if (obj_tlen < 36)
746 return -1;
747 ND_PRINT((ndo, "%s IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
748 ident,
749 ip6addr_string(ndo, obj_tptr),
750 EXTRACT_16BITS(obj_tptr+18),
751 ip6addr_string(ndo, obj_tptr + 20)));
752 obj_tlen-=36;
753 obj_tptr+=36;
754 break;
755
756 case RSVP_CTYPE_14: /* IPv6 p2mp LSP Tunnel */
757 if (obj_tlen < 26)
758 return -1;
759 ND_PRINT((ndo, "%s IPv6 P2MP LSP ID: 0x%08x, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
760 ident,
761 EXTRACT_32BITS(obj_tptr),
762 EXTRACT_16BITS(obj_tptr+6),
763 ip6addr_string(ndo, obj_tptr + 8)));
764 obj_tlen-=26;
765 obj_tptr+=26;
766 break;
767 #endif
768 case RSVP_CTYPE_13: /* IPv4 p2mp LSP Tunnel */
769 if (obj_tlen < 12)
770 return -1;
771 ND_PRINT((ndo, "%s IPv4 P2MP LSP ID: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
772 ident,
773 ipaddr_string(ndo, obj_tptr),
774 EXTRACT_16BITS(obj_tptr+6),
775 ipaddr_string(ndo, obj_tptr + 8)));
776 obj_tlen-=12;
777 obj_tptr+=12;
778 break;
779 case RSVP_CTYPE_TUNNEL_IPV4:
780 case RSVP_CTYPE_UNI_IPV4:
781 if (obj_tlen < 12)
782 return -1;
783 ND_PRINT((ndo, "%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
784 ident,
785 ipaddr_string(ndo, obj_tptr),
786 EXTRACT_16BITS(obj_tptr+6),
787 ipaddr_string(ndo, obj_tptr + 8)));
788 obj_tlen-=12;
789 obj_tptr+=12;
790 break;
791 default:
792 hexdump=TRUE;
793 }
794 break;
795
796 case RSVP_OBJ_CONFIRM:
797 switch(rsvp_obj_ctype) {
798 case RSVP_CTYPE_IPV4:
799 if (obj_tlen < sizeof(struct in_addr))
800 return -1;
801 ND_PRINT((ndo, "%s IPv4 Receiver Address: %s",
802 ident,
803 ipaddr_string(ndo, obj_tptr)));
804 obj_tlen-=sizeof(struct in_addr);
805 obj_tptr+=sizeof(struct in_addr);
806 break;
807 #ifdef INET6
808 case RSVP_CTYPE_IPV6:
809 if (obj_tlen < sizeof(struct in6_addr))
810 return -1;
811 ND_PRINT((ndo, "%s IPv6 Receiver Address: %s",
812 ident,
813 ip6addr_string(ndo, obj_tptr)));
814 obj_tlen-=sizeof(struct in6_addr);
815 obj_tptr+=sizeof(struct in6_addr);
816 break;
817 #endif
818 default:
819 hexdump=TRUE;
820 }
821 break;
822
823 case RSVP_OBJ_NOTIFY_REQ:
824 switch(rsvp_obj_ctype) {
825 case RSVP_CTYPE_IPV4:
826 if (obj_tlen < sizeof(struct in_addr))
827 return -1;
828 ND_PRINT((ndo, "%s IPv4 Notify Node Address: %s",
829 ident,
830 ipaddr_string(ndo, obj_tptr)));
831 obj_tlen-=sizeof(struct in_addr);
832 obj_tptr+=sizeof(struct in_addr);
833 break;
834 #ifdef INET6
835 case RSVP_CTYPE_IPV6:
836 if (obj_tlen < sizeof(struct in6_addr))
837 return-1;
838 ND_PRINT((ndo, "%s IPv6 Notify Node Address: %s",
839 ident,
840 ip6addr_string(ndo, obj_tptr)));
841 obj_tlen-=sizeof(struct in6_addr);
842 obj_tptr+=sizeof(struct in6_addr);
843 break;
844 #endif
845 default:
846 hexdump=TRUE;
847 }
848 break;
849
850 case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
851 case RSVP_OBJ_UPSTREAM_LABEL: /* fall through */
852 case RSVP_OBJ_RECOVERY_LABEL: /* fall through */
853 case RSVP_OBJ_LABEL:
854 switch(rsvp_obj_ctype) {
855 case RSVP_CTYPE_1:
856 while(obj_tlen >= 4 ) {
857 ND_PRINT((ndo, "%s Label: %u", ident, EXTRACT_32BITS(obj_tptr)));
858 obj_tlen-=4;
859 obj_tptr+=4;
860 }
861 break;
862 case RSVP_CTYPE_2:
863 if (obj_tlen < 4)
864 return-1;
865 ND_PRINT((ndo, "%s Generalized Label: %u",
866 ident,
867 EXTRACT_32BITS(obj_tptr)));
868 obj_tlen-=4;
869 obj_tptr+=4;
870 break;
871 case RSVP_CTYPE_3:
872 if (obj_tlen < 12)
873 return-1;
874 ND_PRINT((ndo, "%s Waveband ID: %u%s Start Label: %u, Stop Label: %u",
875 ident,
876 EXTRACT_32BITS(obj_tptr),
877 ident,
878 EXTRACT_32BITS(obj_tptr+4),
879 EXTRACT_32BITS(obj_tptr + 8)));
880 obj_tlen-=12;
881 obj_tptr+=12;
882 break;
883 default:
884 hexdump=TRUE;
885 }
886 break;
887
888 case RSVP_OBJ_STYLE:
889 switch(rsvp_obj_ctype) {
890 case RSVP_CTYPE_1:
891 if (obj_tlen < 4)
892 return-1;
893 ND_PRINT((ndo, "%s Reservation Style: %s, Flags: [0x%02x]",
894 ident,
895 tok2str(rsvp_resstyle_values,
896 "Unknown",
897 EXTRACT_24BITS(obj_tptr+1)),
898 *(obj_tptr)));
899 obj_tlen-=4;
900 obj_tptr+=4;
901 break;
902 default:
903 hexdump=TRUE;
904 }
905 break;
906
907 case RSVP_OBJ_SENDER_TEMPLATE:
908 switch(rsvp_obj_ctype) {
909 case RSVP_CTYPE_IPV4:
910 if (obj_tlen < 8)
911 return-1;
912 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
913 ident,
914 ipaddr_string(ndo, obj_tptr),
915 EXTRACT_16BITS(obj_tptr + 6)));
916 obj_tlen-=8;
917 obj_tptr+=8;
918 break;
919 #ifdef INET6
920 case RSVP_CTYPE_IPV6:
921 if (obj_tlen < 20)
922 return-1;
923 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
924 ident,
925 ip6addr_string(ndo, obj_tptr),
926 EXTRACT_16BITS(obj_tptr + 18)));
927 obj_tlen-=20;
928 obj_tptr+=20;
929 break;
930 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
931 if (obj_tlen < 40)
932 return-1;
933 ND_PRINT((ndo, "%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
934 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
935 ident,
936 ip6addr_string(ndo, obj_tptr),
937 EXTRACT_16BITS(obj_tptr+18),
938 ident,
939 ip6addr_string(ndo, obj_tptr+20),
940 EXTRACT_16BITS(obj_tptr + 38)));
941 obj_tlen-=40;
942 obj_tptr+=40;
943 break;
944 #endif
945 case RSVP_CTYPE_TUNNEL_IPV4:
946 if (obj_tlen < 8)
947 return-1;
948 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
949 ident,
950 ipaddr_string(ndo, obj_tptr),
951 EXTRACT_16BITS(obj_tptr + 6)));
952 obj_tlen-=8;
953 obj_tptr+=8;
954 break;
955 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
956 if (obj_tlen < 16)
957 return-1;
958 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
959 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
960 ident,
961 ipaddr_string(ndo, obj_tptr),
962 EXTRACT_16BITS(obj_tptr+6),
963 ident,
964 ipaddr_string(ndo, obj_tptr+8),
965 EXTRACT_16BITS(obj_tptr + 12)));
966 obj_tlen-=16;
967 obj_tptr+=16;
968 break;
969 default:
970 hexdump=TRUE;
971 }
972 break;
973
974 case RSVP_OBJ_LABEL_REQ:
975 switch(rsvp_obj_ctype) {
976 case RSVP_CTYPE_1:
977 while(obj_tlen >= 4 ) {
978 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
979 ident,
980 tok2str(ethertype_values,
981 "Unknown Protocol (0x%04x)",
982 EXTRACT_16BITS(obj_tptr + 2))));
983 obj_tlen-=4;
984 obj_tptr+=4;
985 }
986 break;
987 case RSVP_CTYPE_2:
988 if (obj_tlen < 12)
989 return-1;
990 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
991 ident,
992 tok2str(ethertype_values,
993 "Unknown Protocol (0x%04x)",
994 EXTRACT_16BITS(obj_tptr + 2))));
995 ND_PRINT((ndo, ",%s merge capability",((*(obj_tptr + 4)) & 0x80) ? "no" : "" ));
996 ND_PRINT((ndo, "%s Minimum VPI/VCI: %u/%u",
997 ident,
998 (EXTRACT_16BITS(obj_tptr+4))&0xfff,
999 (EXTRACT_16BITS(obj_tptr + 6)) & 0xfff));
1000 ND_PRINT((ndo, "%s Maximum VPI/VCI: %u/%u",
1001 ident,
1002 (EXTRACT_16BITS(obj_tptr+8))&0xfff,
1003 (EXTRACT_16BITS(obj_tptr + 10)) & 0xfff));
1004 obj_tlen-=12;
1005 obj_tptr+=12;
1006 break;
1007 case RSVP_CTYPE_3:
1008 if (obj_tlen < 12)
1009 return-1;
1010 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
1011 ident,
1012 tok2str(ethertype_values,
1013 "Unknown Protocol (0x%04x)",
1014 EXTRACT_16BITS(obj_tptr + 2))));
1015 ND_PRINT((ndo, "%s Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI",
1016 ident,
1017 (EXTRACT_32BITS(obj_tptr+4))&0x7fffff,
1018 (EXTRACT_32BITS(obj_tptr+8))&0x7fffff,
1019 (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "",
1020 (((EXTRACT_16BITS(obj_tptr + 4) >> 7) & 3) == 2 ) ? "23" : ""));
1021 obj_tlen-=12;
1022 obj_tptr+=12;
1023 break;
1024 case RSVP_CTYPE_4:
1025 if (obj_tlen < 4)
1026 return-1;
1027 ND_PRINT((ndo, "%s LSP Encoding Type: %s (%u)",
1028 ident,
1029 tok2str(gmpls_encoding_values,
1030 "Unknown",
1031 *obj_tptr),
1032 *obj_tptr));
1033 ND_PRINT((ndo, "%s Switching Type: %s (%u), Payload ID: %s (0x%04x)",
1034 ident,
1035 tok2str(gmpls_switch_cap_values,
1036 "Unknown",
1037 *(obj_tptr+1)),
1038 *(obj_tptr+1),
1039 tok2str(gmpls_payload_values,
1040 "Unknown",
1041 EXTRACT_16BITS(obj_tptr+2)),
1042 EXTRACT_16BITS(obj_tptr + 2)));
1043 obj_tlen-=4;
1044 obj_tptr+=4;
1045 break;
1046 default:
1047 hexdump=TRUE;
1048 }
1049 break;
1050
1051 case RSVP_OBJ_RRO:
1052 case RSVP_OBJ_ERO:
1053 switch(rsvp_obj_ctype) {
1054 case RSVP_CTYPE_IPV4:
1055 while(obj_tlen >= 4 ) {
1056 ND_PRINT((ndo, "%s Subobject Type: %s, length %u",
1057 ident,
1058 tok2str(rsvp_obj_xro_values,
1059 "Unknown %u",
1060 RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)),
1061 *(obj_tptr + 1)));
1062
1063 if (*(obj_tptr+1) == 0) { /* prevent infinite loops */
1064 ND_PRINT((ndo, "%s ERROR: zero length ERO subtype", ident));
1065 break;
1066 }
1067
1068 switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) {
1069 case RSVP_OBJ_XRO_IPV4:
1070 ND_PRINT((ndo, ", %s, %s/%u, Flags: [%s]",
1071 RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
1072 ipaddr_string(ndo, obj_tptr+2),
1073 *(obj_tptr+6),
1074 bittok2str(rsvp_obj_rro_flag_values,
1075 "none",
1076 *(obj_tptr + 7)))); /* rfc3209 says that this field is rsvd. */
1077 break;
1078 case RSVP_OBJ_XRO_LABEL:
1079 ND_PRINT((ndo, ", Flags: [%s] (%#x), Class-Type: %s (%u), %u",
1080 bittok2str(rsvp_obj_rro_label_flag_values,
1081 "none",
1082 *(obj_tptr+2)),
1083 *(obj_tptr+2),
1084 tok2str(rsvp_ctype_values,
1085 "Unknown",
1086 *(obj_tptr+3) + 256*RSVP_OBJ_RRO),
1087 *(obj_tptr+3),
1088 EXTRACT_32BITS(obj_tptr + 4)));
1089 }
1090 obj_tlen-=*(obj_tptr+1);
1091 obj_tptr+=*(obj_tptr+1);
1092 }
1093 break;
1094 default:
1095 hexdump=TRUE;
1096 }
1097 break;
1098
1099 case RSVP_OBJ_HELLO:
1100 switch(rsvp_obj_ctype) {
1101 case RSVP_CTYPE_1:
1102 case RSVP_CTYPE_2:
1103 if (obj_tlen < 8)
1104 return-1;
1105 ND_PRINT((ndo, "%s Source Instance: 0x%08x, Destination Instance: 0x%08x",
1106 ident,
1107 EXTRACT_32BITS(obj_tptr),
1108 EXTRACT_32BITS(obj_tptr + 4)));
1109 obj_tlen-=8;
1110 obj_tptr+=8;
1111 break;
1112 default:
1113 hexdump=TRUE;
1114 }
1115 break;
1116
1117 case RSVP_OBJ_RESTART_CAPABILITY:
1118 switch(rsvp_obj_ctype) {
1119 case RSVP_CTYPE_1:
1120 if (obj_tlen < 8)
1121 return-1;
1122 ND_PRINT((ndo, "%s Restart Time: %ums, Recovery Time: %ums",
1123 ident,
1124 EXTRACT_32BITS(obj_tptr),
1125 EXTRACT_32BITS(obj_tptr + 4)));
1126 obj_tlen-=8;
1127 obj_tptr+=8;
1128 break;
1129 default:
1130 hexdump=TRUE;
1131 }
1132 break;
1133
1134 case RSVP_OBJ_SESSION_ATTRIBUTE:
1135 switch(rsvp_obj_ctype) {
1136 case RSVP_CTYPE_TUNNEL_IPV4:
1137 if (obj_tlen < 4)
1138 return-1;
1139 namelen = *(obj_tptr+3);
1140 if (obj_tlen < 4+namelen)
1141 return-1;
1142 ND_PRINT((ndo, "%s Session Name: ", ident));
1143 for (i = 0; i < namelen; i++)
1144 safeputchar(ndo, *(obj_tptr + 4 + i));
1145 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Flags: [%s] (%#x)",
1146 ident,
1147 (int)*obj_tptr,
1148 (int)*(obj_tptr+1),
1149 bittok2str(rsvp_session_attribute_flag_values,
1150 "none",
1151 *(obj_tptr+2)),
1152 *(obj_tptr + 2)));
1153 obj_tlen-=4+*(obj_tptr+3);
1154 obj_tptr+=4+*(obj_tptr+3);
1155 break;
1156 default:
1157 hexdump=TRUE;
1158 }
1159 break;
1160
1161 case RSVP_OBJ_GENERALIZED_UNI:
1162 switch(rsvp_obj_ctype) {
1163 int subobj_type,af,subobj_len,total_subobj_len;
1164
1165 case RSVP_CTYPE_1:
1166
1167 if (obj_tlen < 4)
1168 return-1;
1169
1170 /* read variable length subobjects */
1171 total_subobj_len = obj_tlen;
1172 while(total_subobj_len > 0) {
1173 subobj_len = EXTRACT_16BITS(obj_tptr);
1174 subobj_type = (EXTRACT_16BITS(obj_tptr+2))>>8;
1175 af = (EXTRACT_16BITS(obj_tptr+2))&0x00FF;
1176
1177 ND_PRINT((ndo, "%s Subobject Type: %s (%u), AF: %s (%u), length: %u",
1178 ident,
1179 tok2str(rsvp_obj_generalized_uni_values, "Unknown", subobj_type),
1180 subobj_type,
1181 tok2str(af_values, "Unknown", af), af,
1182 subobj_len));
1183
1184 if(subobj_len == 0)
1185 goto invalid;
1186
1187 switch(subobj_type) {
1188 case RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS:
1189 case RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS:
1190
1191 switch(af) {
1192 case AFNUM_INET:
1193 if (subobj_len < 8)
1194 return -1;
1195 ND_PRINT((ndo, "%s UNI IPv4 TNA address: %s",
1196 ident, ipaddr_string(ndo, obj_tptr + 4)));
1197 break;
1198 #ifdef INET6
1199 case AFNUM_INET6:
1200 if (subobj_len < 20)
1201 return -1;
1202 ND_PRINT((ndo, "%s UNI IPv6 TNA address: %s",
1203 ident, ip6addr_string(ndo, obj_tptr + 4)));
1204 break;
1205 #endif
1206 case AFNUM_NSAP:
1207 if (subobj_len) {
1208 /* unless we have a TLV parser lets just hexdump */
1209 hexdump=TRUE;
1210 }
1211 break;
1212 }
1213 break;
1214
1215 case RSVP_GEN_UNI_SUBOBJ_DIVERSITY:
1216 if (subobj_len) {
1217 /* unless we have a TLV parser lets just hexdump */
1218 hexdump=TRUE;
1219 }
1220 break;
1221
1222 case RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL:
1223 if (subobj_len < 16) {
1224 return -1;
1225 }
1226
1227 ND_PRINT((ndo, "%s U-bit: %x, Label type: %u, Logical port id: %u, Label: %u",
1228 ident,
1229 ((EXTRACT_32BITS(obj_tptr+4))>>31),
1230 ((EXTRACT_32BITS(obj_tptr+4))&0xFF),
1231 EXTRACT_32BITS(obj_tptr+8),
1232 EXTRACT_32BITS(obj_tptr + 12)));
1233 break;
1234
1235 case RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL:
1236 if (subobj_len < 8) {
1237 return -1;
1238 }
1239
1240 ND_PRINT((ndo, "%s Service level: %u",
1241 ident, (EXTRACT_32BITS(obj_tptr + 4)) >> 24));
1242 break;
1243
1244 default:
1245 hexdump=TRUE;
1246 break;
1247 }
1248 total_subobj_len-=subobj_len;
1249 obj_tptr+=subobj_len;
1250 obj_tlen+=subobj_len;
1251 }
1252
1253 if (total_subobj_len) {
1254 /* unless we have a TLV parser lets just hexdump */
1255 hexdump=TRUE;
1256 }
1257 break;
1258
1259 default:
1260 hexdump=TRUE;
1261 }
1262 break;
1263
1264 case RSVP_OBJ_RSVP_HOP:
1265 switch(rsvp_obj_ctype) {
1266 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1267 case RSVP_CTYPE_IPV4:
1268 if (obj_tlen < 8)
1269 return-1;
1270 ND_PRINT((ndo, "%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1271 ident,
1272 ipaddr_string(ndo, obj_tptr),
1273 EXTRACT_32BITS(obj_tptr + 4)));
1274 obj_tlen-=8;
1275 obj_tptr+=8;
1276 if (obj_tlen)
1277 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1278 break;
1279 #ifdef INET6
1280 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1281 case RSVP_CTYPE_IPV6:
1282 if (obj_tlen < 20)
1283 return-1;
1284 ND_PRINT((ndo, "%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1285 ident,
1286 ip6addr_string(ndo, obj_tptr),
1287 EXTRACT_32BITS(obj_tptr + 16)));
1288 obj_tlen-=20;
1289 obj_tptr+=20;
1290 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1291 break;
1292 #endif
1293 default:
1294 hexdump=TRUE;
1295 }
1296 break;
1297
1298 case RSVP_OBJ_TIME_VALUES:
1299 switch(rsvp_obj_ctype) {
1300 case RSVP_CTYPE_1:
1301 if (obj_tlen < 4)
1302 return-1;
1303 ND_PRINT((ndo, "%s Refresh Period: %ums",
1304 ident,
1305 EXTRACT_32BITS(obj_tptr)));
1306 obj_tlen-=4;
1307 obj_tptr+=4;
1308 break;
1309 default:
1310 hexdump=TRUE;
1311 }
1312 break;
1313
1314 /* those three objects do share the same semantics */
1315 case RSVP_OBJ_SENDER_TSPEC:
1316 case RSVP_OBJ_ADSPEC:
1317 case RSVP_OBJ_FLOWSPEC:
1318 switch(rsvp_obj_ctype) {
1319 case RSVP_CTYPE_2:
1320 if (obj_tlen < 4)
1321 return-1;
1322 ND_PRINT((ndo, "%s Msg-Version: %u, length: %u",
1323 ident,
1324 (*obj_tptr & 0xf0) >> 4,
1325 EXTRACT_16BITS(obj_tptr + 2) << 2));
1326 obj_tptr+=4; /* get to the start of the service header */
1327 obj_tlen-=4;
1328
1329 while (obj_tlen >= 4) {
1330 intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
1331 ND_PRINT((ndo, "%s Service Type: %s (%u), break bit %s set, Service length: %u",
1332 ident,
1333 tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)),
1334 *(obj_tptr),
1335 (*(obj_tptr+1)&0x80) ? "" : "not",
1336 intserv_serv_tlen));
1337
1338 obj_tptr+=4; /* get to the start of the parameter list */
1339 obj_tlen-=4;
1340
1341 while (intserv_serv_tlen>=4) {
1342 processed = rsvp_intserv_print(ndo, obj_tptr, obj_tlen);
1343 if (processed == 0)
1344 break;
1345 obj_tlen-=processed;
1346 intserv_serv_tlen-=processed;
1347 obj_tptr+=processed;
1348 }
1349 }
1350 break;
1351 default:
1352 hexdump=TRUE;
1353 }
1354 break;
1355
1356 case RSVP_OBJ_FILTERSPEC:
1357 switch(rsvp_obj_ctype) {
1358 case RSVP_CTYPE_IPV4:
1359 if (obj_tlen < 8)
1360 return-1;
1361 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
1362 ident,
1363 ipaddr_string(ndo, obj_tptr),
1364 EXTRACT_16BITS(obj_tptr + 6)));
1365 obj_tlen-=8;
1366 obj_tptr+=8;
1367 break;
1368 #ifdef INET6
1369 case RSVP_CTYPE_IPV6:
1370 if (obj_tlen < 20)
1371 return-1;
1372 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
1373 ident,
1374 ip6addr_string(ndo, obj_tptr),
1375 EXTRACT_16BITS(obj_tptr + 18)));
1376 obj_tlen-=20;
1377 obj_tptr+=20;
1378 break;
1379 case RSVP_CTYPE_3:
1380 if (obj_tlen < 20)
1381 return-1;
1382 ND_PRINT((ndo, "%s Source Address: %s, Flow Label: %u",
1383 ident,
1384 ip6addr_string(ndo, obj_tptr),
1385 EXTRACT_24BITS(obj_tptr + 17)));
1386 obj_tlen-=20;
1387 obj_tptr+=20;
1388 break;
1389 case RSVP_CTYPE_TUNNEL_IPV6:
1390 if (obj_tlen < 20)
1391 return-1;
1392 ND_PRINT((ndo, "%s Source Address: %s, LSP-ID: 0x%04x",
1393 ident,
1394 ipaddr_string(ndo, obj_tptr),
1395 EXTRACT_16BITS(obj_tptr + 18)));
1396 obj_tlen-=20;
1397 obj_tptr+=20;
1398 break;
1399 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
1400 if (obj_tlen < 40)
1401 return-1;
1402 ND_PRINT((ndo, "%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
1403 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
1404 ident,
1405 ip6addr_string(ndo, obj_tptr),
1406 EXTRACT_16BITS(obj_tptr+18),
1407 ident,
1408 ip6addr_string(ndo, obj_tptr+20),
1409 EXTRACT_16BITS(obj_tptr + 38)));
1410 obj_tlen-=40;
1411 obj_tptr+=40;
1412 break;
1413 #endif
1414 case RSVP_CTYPE_TUNNEL_IPV4:
1415 if (obj_tlen < 8)
1416 return-1;
1417 ND_PRINT((ndo, "%s Source Address: %s, LSP-ID: 0x%04x",
1418 ident,
1419 ipaddr_string(ndo, obj_tptr),
1420 EXTRACT_16BITS(obj_tptr + 6)));
1421 obj_tlen-=8;
1422 obj_tptr+=8;
1423 break;
1424 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
1425 if (obj_tlen < 16)
1426 return-1;
1427 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
1428 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
1429 ident,
1430 ipaddr_string(ndo, obj_tptr),
1431 EXTRACT_16BITS(obj_tptr+6),
1432 ident,
1433 ipaddr_string(ndo, obj_tptr+8),
1434 EXTRACT_16BITS(obj_tptr + 12)));
1435 obj_tlen-=16;
1436 obj_tptr+=16;
1437 break;
1438 default:
1439 hexdump=TRUE;
1440 }
1441 break;
1442
1443 case RSVP_OBJ_FASTREROUTE:
1444 /* the differences between c-type 1 and 7 are minor */
1445 obj_ptr.rsvp_obj_frr = (const struct rsvp_obj_frr_t *)obj_tptr;
1446 bw.i = EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->bandwidth);
1447
1448 switch(rsvp_obj_ctype) {
1449 case RSVP_CTYPE_1: /* new style */
1450 if (obj_tlen < sizeof(struct rsvp_obj_frr_t))
1451 return-1;
1452 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1453 ident,
1454 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1455 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1456 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1457 bw.f * 8 / 1000000));
1458 ND_PRINT((ndo, "%s Include-any: 0x%08x, Exclude-any: 0x%08x, Include-all: 0x%08x",
1459 ident,
1460 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1461 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any),
1462 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_all)));
1463 obj_tlen-=sizeof(struct rsvp_obj_frr_t);
1464 obj_tptr+=sizeof(struct rsvp_obj_frr_t);
1465 break;
1466
1467 case RSVP_CTYPE_TUNNEL_IPV4: /* old style */
1468 if (obj_tlen < 16)
1469 return-1;
1470 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1471 ident,
1472 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1473 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1474 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1475 bw.f * 8 / 1000000));
1476 ND_PRINT((ndo, "%s Include Colors: 0x%08x, Exclude Colors: 0x%08x",
1477 ident,
1478 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1479 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any)));
1480 obj_tlen-=16;
1481 obj_tptr+=16;
1482 break;
1483
1484 default:
1485 hexdump=TRUE;
1486 }
1487 break;
1488
1489 case RSVP_OBJ_DETOUR:
1490 switch(rsvp_obj_ctype) {
1491 case RSVP_CTYPE_TUNNEL_IPV4:
1492 while(obj_tlen >= 8) {
1493 ND_PRINT((ndo, "%s PLR-ID: %s, Avoid-Node-ID: %s",
1494 ident,
1495 ipaddr_string(ndo, obj_tptr),
1496 ipaddr_string(ndo, obj_tptr + 4)));
1497 obj_tlen-=8;
1498 obj_tptr+=8;
1499 }
1500 break;
1501 default:
1502 hexdump=TRUE;
1503 }
1504 break;
1505
1506 case RSVP_OBJ_CLASSTYPE:
1507 case RSVP_OBJ_CLASSTYPE_OLD: /* fall through */
1508 switch(rsvp_obj_ctype) {
1509 case RSVP_CTYPE_1:
1510 ND_PRINT((ndo, "%s CT: %u",
1511 ident,
1512 EXTRACT_32BITS(obj_tptr) & 0x7));
1513 obj_tlen-=4;
1514 obj_tptr+=4;
1515 break;
1516 default:
1517 hexdump=TRUE;
1518 }
1519 break;
1520
1521 case RSVP_OBJ_ERROR_SPEC:
1522 switch(rsvp_obj_ctype) {
1523 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1524 case RSVP_CTYPE_IPV4:
1525 if (obj_tlen < 8)
1526 return-1;
1527 error_code=*(obj_tptr+5);
1528 error_value=EXTRACT_16BITS(obj_tptr+6);
1529 ND_PRINT((ndo, "%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1530 ident,
1531 ipaddr_string(ndo, obj_tptr),
1532 *(obj_tptr+4),
1533 ident,
1534 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1535 error_code));
1536 switch (error_code) {
1537 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1538 ND_PRINT((ndo, ", Error Value: %s (%u)",
1539 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1540 error_value));
1541 break;
1542 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE: /* fall through */
1543 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD:
1544 ND_PRINT((ndo, ", Error Value: %s (%u)",
1545 tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value),
1546 error_value));
1547 break;
1548 default:
1549 ND_PRINT((ndo, ", Unknown Error Value (%u)", error_value));
1550 break;
1551 }
1552 obj_tlen-=8;
1553 obj_tptr+=8;
1554 break;
1555 #ifdef INET6
1556 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1557 case RSVP_CTYPE_IPV6:
1558 if (obj_tlen < 20)
1559 return-1;
1560 error_code=*(obj_tptr+17);
1561 error_value=EXTRACT_16BITS(obj_tptr+18);
1562 ND_PRINT((ndo, "%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1563 ident,
1564 ip6addr_string(ndo, obj_tptr),
1565 *(obj_tptr+16),
1566 ident,
1567 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1568 error_code));
1569
1570 switch (error_code) {
1571 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1572 ND_PRINT((ndo, ", Error Value: %s (%u)",
1573 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1574 error_value));
1575 break;
1576 default:
1577 break;
1578 }
1579 obj_tlen-=20;
1580 obj_tptr+=20;
1581 break;
1582 #endif
1583 default:
1584 hexdump=TRUE;
1585 }
1586 break;
1587
1588 case RSVP_OBJ_PROPERTIES:
1589 switch(rsvp_obj_ctype) {
1590 case RSVP_CTYPE_1:
1591 if (obj_tlen < 4)
1592 return-1;
1593 padbytes = EXTRACT_16BITS(obj_tptr+2);
1594 ND_PRINT((ndo, "%s TLV count: %u, padding bytes: %u",
1595 ident,
1596 EXTRACT_16BITS(obj_tptr),
1597 padbytes));
1598 obj_tlen-=4;
1599 obj_tptr+=4;
1600 /* loop through as long there is anything longer than the TLV header (2) */
1601 while(obj_tlen >= 2 + padbytes) {
1602 ND_PRINT((ndo, "%s %s TLV (0x%02x), length: %u", /* length includes header */
1603 ident,
1604 tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
1605 *obj_tptr,
1606 *(obj_tptr + 1)));
1607 if (obj_tlen < *(obj_tptr+1))
1608 return-1;
1609 if (*(obj_tptr+1) < 2)
1610 return -1;
1611 print_unknown_data(ndo, obj_tptr + 2, "\n\t\t", *(obj_tptr + 1) - 2);
1612 obj_tlen-=*(obj_tptr+1);
1613 obj_tptr+=*(obj_tptr+1);
1614 }
1615 break;
1616 default:
1617 hexdump=TRUE;
1618 }
1619 break;
1620
1621 case RSVP_OBJ_MESSAGE_ID: /* fall through */
1622 case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */
1623 case RSVP_OBJ_MESSAGE_ID_LIST:
1624 switch(rsvp_obj_ctype) {
1625 case RSVP_CTYPE_1:
1626 case RSVP_CTYPE_2:
1627 if (obj_tlen < 8)
1628 return-1;
1629 ND_PRINT((ndo, "%s Flags [0x%02x], epoch: %u",
1630 ident,
1631 *obj_tptr,
1632 EXTRACT_24BITS(obj_tptr + 1)));
1633 obj_tlen-=4;
1634 obj_tptr+=4;
1635 /* loop through as long there are no messages left */
1636 while(obj_tlen >= 4) {
1637 ND_PRINT((ndo, "%s Message-ID 0x%08x (%u)",
1638 ident,
1639 EXTRACT_32BITS(obj_tptr),
1640 EXTRACT_32BITS(obj_tptr)));
1641 obj_tlen-=4;
1642 obj_tptr+=4;
1643 }
1644 break;
1645 default:
1646 hexdump=TRUE;
1647 }
1648 break;
1649
1650 case RSVP_OBJ_INTEGRITY:
1651 switch(rsvp_obj_ctype) {
1652 case RSVP_CTYPE_1:
1653 if (obj_tlen < sizeof(struct rsvp_obj_integrity_t))
1654 return-1;
1655 obj_ptr.rsvp_obj_integrity = (const struct rsvp_obj_integrity_t *)obj_tptr;
1656 ND_PRINT((ndo, "%s Key-ID 0x%04x%08x, Sequence 0x%08x%08x, Flags [%s]",
1657 ident,
1658 EXTRACT_16BITS(obj_ptr.rsvp_obj_integrity->key_id),
1659 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->key_id+2),
1660 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence),
1661 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence+4),
1662 bittok2str(rsvp_obj_integrity_flag_values,
1663 "none",
1664 obj_ptr.rsvp_obj_integrity->flags)));
1665 ND_PRINT((ndo, "%s MD5-sum 0x%08x%08x%08x%08x ",
1666 ident,
1667 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest),
1668 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+4),
1669 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+8),
1670 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest + 12)));
1671
1672 #ifdef HAVE_LIBCRYPTO
1673 sigcheck = signature_verify(ndo, pptr, plen, (unsigned char *)obj_ptr.\
1674 rsvp_obj_integrity->digest);
1675 #else
1676 sigcheck = CANT_CHECK_SIGNATURE;
1677 #endif
1678 ND_PRINT((ndo, " (%s)", tok2str(signature_check_values, "Unknown", sigcheck)));
1679
1680 obj_tlen+=sizeof(struct rsvp_obj_integrity_t);
1681 obj_tptr+=sizeof(struct rsvp_obj_integrity_t);
1682 break;
1683 default:
1684 hexdump=TRUE;
1685 }
1686 break;
1687
1688 case RSVP_OBJ_ADMIN_STATUS:
1689 switch(rsvp_obj_ctype) {
1690 case RSVP_CTYPE_1:
1691 if (obj_tlen < 4)
1692 return-1;
1693 ND_PRINT((ndo, "%s Flags [%s]", ident,
1694 bittok2str(rsvp_obj_admin_status_flag_values, "none",
1695 EXTRACT_32BITS(obj_tptr))));
1696 obj_tlen-=4;
1697 obj_tptr+=4;
1698 break;
1699 default:
1700 hexdump=TRUE;
1701 }
1702 break;
1703
1704 case RSVP_OBJ_LABEL_SET:
1705 switch(rsvp_obj_ctype) {
1706 case RSVP_CTYPE_1:
1707 if (obj_tlen < 4)
1708 return-1;
1709 action = (EXTRACT_16BITS(obj_tptr)>>8);
1710
1711 ND_PRINT((ndo, "%s Action: %s (%u), Label type: %u", ident,
1712 tok2str(rsvp_obj_label_set_action_values, "Unknown", action),
1713 action, ((EXTRACT_32BITS(obj_tptr) & 0x7F))));
1714
1715 switch (action) {
1716 case LABEL_SET_INCLUSIVE_RANGE:
1717 case LABEL_SET_EXCLUSIVE_RANGE: /* fall through */
1718
1719 /* only a couple of subchannels are expected */
1720 if (obj_tlen < 12)
1721 return -1;
1722 ND_PRINT((ndo, "%s Start range: %u, End range: %u", ident,
1723 EXTRACT_32BITS(obj_tptr+4),
1724 EXTRACT_32BITS(obj_tptr + 8)));
1725 obj_tlen-=12;
1726 obj_tptr+=12;
1727 break;
1728
1729 default:
1730 obj_tlen-=4;
1731 obj_tptr+=4;
1732 subchannel = 1;
1733 while(obj_tlen >= 4 ) {
1734 ND_PRINT((ndo, "%s Subchannel #%u: %u", ident, subchannel,
1735 EXTRACT_32BITS(obj_tptr)));
1736 obj_tptr+=4;
1737 obj_tlen-=4;
1738 subchannel++;
1739 }
1740 break;
1741 }
1742 break;
1743 default:
1744 hexdump=TRUE;
1745 }
1746
1747 case RSVP_OBJ_S2L:
1748 switch (rsvp_obj_ctype) {
1749 case RSVP_CTYPE_IPV4:
1750 if (obj_tlen < 4)
1751 return-1;
1752 ND_PRINT((ndo, "%s Sub-LSP destination address: %s",
1753 ident, ipaddr_string(ndo, obj_tptr)));
1754
1755 obj_tlen-=4;
1756 obj_tptr+=4;
1757 break;
1758 #ifdef INET6
1759 case RSVP_CTYPE_IPV6:
1760 if (obj_tlen < 16)
1761 return-1;
1762 ND_PRINT((ndo, "%s Sub-LSP destination address: %s",
1763 ident, ip6addr_string(ndo, obj_tptr)));
1764
1765 obj_tlen-=16;
1766 obj_tptr+=16;
1767 break;
1768 #endif
1769 default:
1770 hexdump=TRUE;
1771 }
1772
1773 /*
1774 * FIXME those are the defined objects that lack a decoder
1775 * you are welcome to contribute code ;-)
1776 */
1777
1778 case RSVP_OBJ_SCOPE:
1779 case RSVP_OBJ_POLICY_DATA:
1780 case RSVP_OBJ_ACCEPT_LABEL_SET:
1781 case RSVP_OBJ_PROTECTION:
1782 default:
1783 if (ndo->ndo_vflag <= 1)
1784 print_unknown_data(ndo, obj_tptr, "\n\t ", obj_tlen); /* FIXME indentation */
1785 break;
1786 }
1787 /* do we also want to see a hex dump ? */
1788 if (ndo->ndo_vflag > 1 || hexdump == TRUE)
1789 print_unknown_data(ndo, tptr + sizeof(struct rsvp_object_header), "\n\t ", /* FIXME indentation */
1790 rsvp_obj_len - sizeof(struct rsvp_object_header));
1791
1792 tptr+=rsvp_obj_len;
1793 tlen-=rsvp_obj_len;
1794 }
1795 return 0;
1796 invalid:
1797 ND_PRINT((ndo, "%s", istr));
1798 return -1;
1799 trunc:
1800 ND_PRINT((ndo, "\n\t\t packet exceeded snapshot"));
1801 return -1;
1802 }
1803
1804 void
1805 rsvp_print(netdissect_options *ndo,
1806 register const u_char *pptr, register u_int len)
1807 {
1808 struct rsvp_common_header *rsvp_com_header;
1809 const u_char *tptr,*subtptr;
1810 u_short plen, tlen, subtlen;
1811
1812 tptr=pptr;
1813
1814 rsvp_com_header = (struct rsvp_common_header *)pptr;
1815 ND_TCHECK(*rsvp_com_header);
1816
1817 /*
1818 * Sanity checking of the header.
1819 */
1820 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1821 ND_PRINT((ndo, "ERROR: RSVP version %u packet not supported",
1822 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)));
1823 return;
1824 }
1825
1826 /* in non-verbose mode just lets print the basic Message Type*/
1827 if (ndo->ndo_vflag < 1) {
1828 ND_PRINT((ndo, "RSVPv%u %s Message, length: %u",
1829 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1830 tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
1831 len));
1832 return;
1833 }
1834
1835 /* ok they seem to want to know everything - lets fully decode it */
1836
1837 plen = tlen = EXTRACT_16BITS(rsvp_com_header->length);
1838
1839 ND_PRINT((ndo, "\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1840 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1841 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1842 rsvp_com_header->msg_type,
1843 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1844 tlen,
1845 rsvp_com_header->ttl,
1846 EXTRACT_16BITS(rsvp_com_header->checksum)));
1847
1848 /*
1849 * Clear checksum prior to signature verification.
1850 */
1851 rsvp_com_header->checksum[0] = 0;
1852 rsvp_com_header->checksum[1] = 0;
1853
1854 if (tlen < sizeof(const struct rsvp_common_header)) {
1855 ND_PRINT((ndo, "ERROR: common header too short %u < %lu", tlen,
1856 (unsigned long)sizeof(const struct rsvp_common_header)));
1857 return;
1858 }
1859
1860 tptr+=sizeof(const struct rsvp_common_header);
1861 tlen-=sizeof(const struct rsvp_common_header);
1862
1863 switch(rsvp_com_header->msg_type) {
1864
1865 case RSVP_MSGTYPE_AGGREGATE:
1866 while(tlen > 0) {
1867 subtptr=tptr;
1868 rsvp_com_header = (struct rsvp_common_header *)subtptr;
1869 ND_TCHECK(*rsvp_com_header);
1870
1871 /*
1872 * Sanity checking of the header.
1873 */
1874 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1875 ND_PRINT((ndo, "ERROR: RSVP version %u packet not supported",
1876 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)));
1877 return;
1878 }
1879 subtlen=EXTRACT_16BITS(rsvp_com_header->length);
1880
1881 ND_PRINT((ndo, "\n\t RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1882 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1883 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1884 rsvp_com_header->msg_type,
1885 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1886 subtlen,
1887 rsvp_com_header->ttl,
1888 EXTRACT_16BITS(rsvp_com_header->checksum)));
1889
1890 /*
1891 * Clear checksum prior to signature verification.
1892 */
1893 rsvp_com_header->checksum[0] = 0;
1894 rsvp_com_header->checksum[1] = 0;
1895
1896 if (subtlen < sizeof(const struct rsvp_common_header)) {
1897 ND_PRINT((ndo, "ERROR: common header too short %u < %lu", subtlen,
1898 (unsigned long)sizeof(const struct rsvp_common_header)));
1899 return;
1900 }
1901
1902 if (tlen < subtlen) {
1903 ND_PRINT((ndo, "ERROR: common header too large %u > %u", subtlen,
1904 tlen));
1905 return;
1906 }
1907
1908 subtptr+=sizeof(const struct rsvp_common_header);
1909 subtlen-=sizeof(const struct rsvp_common_header);
1910
1911 if (rsvp_obj_print(ndo, pptr, plen, subtptr, "\n\t ", subtlen) == -1)
1912 return;
1913
1914 tptr+=subtlen+sizeof(const struct rsvp_common_header);
1915 tlen-=subtlen+sizeof(const struct rsvp_common_header);
1916 }
1917
1918 break;
1919
1920 case RSVP_MSGTYPE_PATH:
1921 case RSVP_MSGTYPE_RESV:
1922 case RSVP_MSGTYPE_PATHERR:
1923 case RSVP_MSGTYPE_RESVERR:
1924 case RSVP_MSGTYPE_PATHTEAR:
1925 case RSVP_MSGTYPE_RESVTEAR:
1926 case RSVP_MSGTYPE_RESVCONF:
1927 case RSVP_MSGTYPE_HELLO_OLD:
1928 case RSVP_MSGTYPE_HELLO:
1929 case RSVP_MSGTYPE_ACK:
1930 case RSVP_MSGTYPE_SREFRESH:
1931 if (rsvp_obj_print(ndo, pptr, plen, tptr, "\n\t ", tlen) == -1)
1932 return;
1933 break;
1934
1935 default:
1936 print_unknown_data(ndo, tptr, "\n\t ", tlen);
1937 break;
1938 }
1939
1940 return;
1941 trunc:
1942 ND_PRINT((ndo, "\n\t\t packet exceeded snapshot"));
1943 }
[mirror] the TCPdump network dissector