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NTP: Use tstr for truncation indicator.
[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@gredler.at)
16 */
17
18 /* \summary: Resource ReSerVation Protocol (RSVP) printer */
19
20 #ifdef HAVE_CONFIG_H
21 #include "config.h"
22 #endif
23
24 #include <netdissect-stdinc.h>
25
26 #include "netdissect.h"
27 #include "extract.h"
28 #include "addrtoname.h"
29 #include "ethertype.h"
30 #include "gmpls.h"
31 #include "af.h"
32 #include "signature.h"
33
34 static const char tstr[] = " [|rsvp]";
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_BUNDLE 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_BUNDLE, "Bundle" },
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 }
528 break;
529
530 case 6:
531 /*
532 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
533 * | 6 (h) | (i) | 1 (j) |
534 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
535 * | Path b/w estimate (32-bit IEEE floating point number) |
536 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
537 */
538 if (parameter_length == 4) {
539 ND_TCHECK2(*(tptr + 4), 4);
540 bw.i = EXTRACT_32BITS(tptr+4);
541 ND_PRINT((ndo, "\n\t\tPath b/w estimate: %.10g Mbps", bw.f / 125000));
542 }
543 break;
544
545 case 8:
546 /*
547 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
548 * | 8 (k) | (l) | 1 (m) |
549 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
550 * | Minimum path latency (32-bit integer) |
551 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
552 */
553 if (parameter_length == 4) {
554 ND_TCHECK2(*(tptr + 4), 4);
555 ND_PRINT((ndo, "\n\t\tMinimum path latency: "));
556 if (EXTRACT_32BITS(tptr+4) == 0xffffffff)
557 ND_PRINT((ndo, "don't care"));
558 else
559 ND_PRINT((ndo, "%u", EXTRACT_32BITS(tptr + 4)));
560 }
561 break;
562
563 case 10:
564
565 /*
566 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
567 * | 10 (n) | (o) | 1 (p) |
568 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
569 * | Composed MTU (32-bit unsigned integer) |
570 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
571 */
572 if (parameter_length == 4) {
573 ND_TCHECK2(*(tptr + 4), 4);
574 ND_PRINT((ndo, "\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr + 4)));
575 }
576 break;
577 case 127:
578 /*
579 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
580 * | 127 (e) | 0 (f) | 5 (g) |
581 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
582 * | Token Bucket Rate [r] (32-bit IEEE floating point number) |
583 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
584 * | Token Bucket Size [b] (32-bit IEEE floating point number) |
585 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
586 * | Peak Data Rate [p] (32-bit IEEE floating point number) |
587 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
588 * | Minimum Policed Unit [m] (32-bit integer) |
589 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
590 * | Maximum Packet Size [M] (32-bit integer) |
591 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
592 */
593
594 if (parameter_length == 20) {
595 ND_TCHECK2(*(tptr + 4), 20);
596 bw.i = EXTRACT_32BITS(tptr+4);
597 ND_PRINT((ndo, "\n\t\tToken Bucket Rate: %.10g Mbps", bw.f / 125000));
598 bw.i = EXTRACT_32BITS(tptr+8);
599 ND_PRINT((ndo, "\n\t\tToken Bucket Size: %.10g bytes", bw.f));
600 bw.i = EXTRACT_32BITS(tptr+12);
601 ND_PRINT((ndo, "\n\t\tPeak Data Rate: %.10g Mbps", bw.f / 125000));
602 ND_PRINT((ndo, "\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr + 16)));
603 ND_PRINT((ndo, "\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr + 20)));
604 }
605 break;
606
607 case 130:
608 /*
609 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
610 * | 130 (h) | 0 (i) | 2 (j) |
611 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
612 * | Rate [R] (32-bit IEEE floating point number) |
613 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
614 * | Slack Term [S] (32-bit integer) |
615 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
616 */
617
618 if (parameter_length == 8) {
619 ND_TCHECK2(*(tptr + 4), 8);
620 bw.i = EXTRACT_32BITS(tptr+4);
621 ND_PRINT((ndo, "\n\t\tRate: %.10g Mbps", bw.f / 125000));
622 ND_PRINT((ndo, "\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr + 8)));
623 }
624 break;
625
626 case 133:
627 case 134:
628 case 135:
629 case 136:
630 if (parameter_length == 4) {
631 ND_TCHECK2(*(tptr + 4), 4);
632 ND_PRINT((ndo, "\n\t\tValue: %u", EXTRACT_32BITS(tptr + 4)));
633 }
634 break;
635
636 default:
637 if (ndo->ndo_vflag <= 1)
638 print_unknown_data(ndo, tptr + 4, "\n\t\t", parameter_length);
639 }
640 return (parameter_length+4); /* header length 4 bytes */
641
642 trunc:
643 ND_PRINT((ndo, "%s", tstr));
644 return 0;
645 }
646
647 /*
648 * Clear checksum prior to signature verification.
649 */
650 static void
651 rsvp_clear_checksum(void *header)
652 {
653 struct rsvp_common_header *rsvp_com_header = (struct rsvp_common_header *) header;
654
655 rsvp_com_header->checksum[0] = 0;
656 rsvp_com_header->checksum[1] = 0;
657 }
658
659 static int
660 rsvp_obj_print(netdissect_options *ndo,
661 const u_char *pptr, u_int plen, const u_char *tptr,
662 const char *ident, u_int tlen,
663 const struct rsvp_common_header *rsvp_com_header)
664 {
665 const struct rsvp_object_header *rsvp_obj_header;
666 const u_char *obj_tptr;
667 union {
668 const struct rsvp_obj_integrity_t *rsvp_obj_integrity;
669 const struct rsvp_obj_frr_t *rsvp_obj_frr;
670 } obj_ptr;
671
672 u_short rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen;
673 int hexdump,processed,padbytes,error_code,error_value,i,sigcheck;
674 union {
675 float f;
676 uint32_t i;
677 } bw;
678 uint8_t namelen;
679
680 u_int action, subchannel;
681
682 while(tlen>=sizeof(struct rsvp_object_header)) {
683 /* did we capture enough for fully decoding the object header ? */
684 ND_TCHECK2(*tptr, sizeof(struct rsvp_object_header));
685
686 rsvp_obj_header = (const struct rsvp_object_header *)tptr;
687 rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length);
688 rsvp_obj_ctype=rsvp_obj_header->ctype;
689
690 if(rsvp_obj_len % 4) {
691 ND_PRINT((ndo, "%sERROR: object header size %u not a multiple of 4", ident, rsvp_obj_len));
692 return -1;
693 }
694 if(rsvp_obj_len < sizeof(struct rsvp_object_header)) {
695 ND_PRINT((ndo, "%sERROR: object header too short %u < %lu", ident, rsvp_obj_len,
696 (unsigned long)sizeof(const struct rsvp_object_header)));
697 return -1;
698 }
699
700 ND_PRINT((ndo, "%s%s Object (%u) Flags: [%s",
701 ident,
702 tok2str(rsvp_obj_values,
703 "Unknown",
704 rsvp_obj_header->class_num),
705 rsvp_obj_header->class_num,
706 ((rsvp_obj_header->class_num) & 0x80) ? "ignore" : "reject"));
707
708 if (rsvp_obj_header->class_num > 128)
709 ND_PRINT((ndo, " %s",
710 ((rsvp_obj_header->class_num) & 0x40) ? "and forward" : "silently"));
711
712 ND_PRINT((ndo, " if unknown], Class-Type: %s (%u), length: %u",
713 tok2str(rsvp_ctype_values,
714 "Unknown",
715 ((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype),
716 rsvp_obj_ctype,
717 rsvp_obj_len));
718
719 if(tlen < rsvp_obj_len) {
720 ND_PRINT((ndo, "%sERROR: object goes past end of objects TLV", ident));
721 return -1;
722 }
723
724 obj_tptr=tptr+sizeof(struct rsvp_object_header);
725 obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
726
727 /* did we capture enough for fully decoding the object ? */
728 if (!ND_TTEST2(*tptr, rsvp_obj_len))
729 return -1;
730 hexdump=FALSE;
731
732 switch(rsvp_obj_header->class_num) {
733 case RSVP_OBJ_SESSION:
734 switch(rsvp_obj_ctype) {
735 case RSVP_CTYPE_IPV4:
736 if (obj_tlen < 8)
737 return -1;
738 ND_PRINT((ndo, "%s IPv4 DestAddress: %s, Protocol ID: 0x%02x",
739 ident,
740 ipaddr_string(ndo, obj_tptr),
741 *(obj_tptr + sizeof(struct in_addr))));
742 ND_PRINT((ndo, "%s Flags: [0x%02x], DestPort %u",
743 ident,
744 *(obj_tptr+5),
745 EXTRACT_16BITS(obj_tptr + 6)));
746 obj_tlen-=8;
747 obj_tptr+=8;
748 break;
749 case RSVP_CTYPE_IPV6:
750 if (obj_tlen < 20)
751 return -1;
752 ND_PRINT((ndo, "%s IPv6 DestAddress: %s, Protocol ID: 0x%02x",
753 ident,
754 ip6addr_string(ndo, obj_tptr),
755 *(obj_tptr + sizeof(struct in6_addr))));
756 ND_PRINT((ndo, "%s Flags: [0x%02x], DestPort %u",
757 ident,
758 *(obj_tptr+sizeof(struct in6_addr)+1),
759 EXTRACT_16BITS(obj_tptr + sizeof(struct in6_addr) + 2)));
760 obj_tlen-=20;
761 obj_tptr+=20;
762 break;
763
764 case RSVP_CTYPE_TUNNEL_IPV6:
765 if (obj_tlen < 36)
766 return -1;
767 ND_PRINT((ndo, "%s IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
768 ident,
769 ip6addr_string(ndo, obj_tptr),
770 EXTRACT_16BITS(obj_tptr+18),
771 ip6addr_string(ndo, obj_tptr + 20)));
772 obj_tlen-=36;
773 obj_tptr+=36;
774 break;
775
776 case RSVP_CTYPE_14: /* IPv6 p2mp LSP Tunnel */
777 if (obj_tlen < 26)
778 return -1;
779 ND_PRINT((ndo, "%s IPv6 P2MP LSP ID: 0x%08x, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
780 ident,
781 EXTRACT_32BITS(obj_tptr),
782 EXTRACT_16BITS(obj_tptr+6),
783 ip6addr_string(ndo, obj_tptr + 8)));
784 obj_tlen-=26;
785 obj_tptr+=26;
786 break;
787 case RSVP_CTYPE_13: /* IPv4 p2mp LSP Tunnel */
788 if (obj_tlen < 12)
789 return -1;
790 ND_PRINT((ndo, "%s IPv4 P2MP LSP ID: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
791 ident,
792 ipaddr_string(ndo, obj_tptr),
793 EXTRACT_16BITS(obj_tptr+6),
794 ipaddr_string(ndo, obj_tptr + 8)));
795 obj_tlen-=12;
796 obj_tptr+=12;
797 break;
798 case RSVP_CTYPE_TUNNEL_IPV4:
799 case RSVP_CTYPE_UNI_IPV4:
800 if (obj_tlen < 12)
801 return -1;
802 ND_PRINT((ndo, "%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
803 ident,
804 ipaddr_string(ndo, obj_tptr),
805 EXTRACT_16BITS(obj_tptr+6),
806 ipaddr_string(ndo, obj_tptr + 8)));
807 obj_tlen-=12;
808 obj_tptr+=12;
809 break;
810 default:
811 hexdump=TRUE;
812 }
813 break;
814
815 case RSVP_OBJ_CONFIRM:
816 switch(rsvp_obj_ctype) {
817 case RSVP_CTYPE_IPV4:
818 if (obj_tlen < sizeof(struct in_addr))
819 return -1;
820 ND_PRINT((ndo, "%s IPv4 Receiver Address: %s",
821 ident,
822 ipaddr_string(ndo, obj_tptr)));
823 obj_tlen-=sizeof(struct in_addr);
824 obj_tptr+=sizeof(struct in_addr);
825 break;
826 case RSVP_CTYPE_IPV6:
827 if (obj_tlen < sizeof(struct in6_addr))
828 return -1;
829 ND_PRINT((ndo, "%s IPv6 Receiver Address: %s",
830 ident,
831 ip6addr_string(ndo, obj_tptr)));
832 obj_tlen-=sizeof(struct in6_addr);
833 obj_tptr+=sizeof(struct in6_addr);
834 break;
835 default:
836 hexdump=TRUE;
837 }
838 break;
839
840 case RSVP_OBJ_NOTIFY_REQ:
841 switch(rsvp_obj_ctype) {
842 case RSVP_CTYPE_IPV4:
843 if (obj_tlen < sizeof(struct in_addr))
844 return -1;
845 ND_PRINT((ndo, "%s IPv4 Notify Node Address: %s",
846 ident,
847 ipaddr_string(ndo, obj_tptr)));
848 obj_tlen-=sizeof(struct in_addr);
849 obj_tptr+=sizeof(struct in_addr);
850 break;
851 case RSVP_CTYPE_IPV6:
852 if (obj_tlen < sizeof(struct in6_addr))
853 return-1;
854 ND_PRINT((ndo, "%s IPv6 Notify Node Address: %s",
855 ident,
856 ip6addr_string(ndo, obj_tptr)));
857 obj_tlen-=sizeof(struct in6_addr);
858 obj_tptr+=sizeof(struct in6_addr);
859 break;
860 default:
861 hexdump=TRUE;
862 }
863 break;
864
865 case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
866 case RSVP_OBJ_UPSTREAM_LABEL: /* fall through */
867 case RSVP_OBJ_RECOVERY_LABEL: /* fall through */
868 case RSVP_OBJ_LABEL:
869 switch(rsvp_obj_ctype) {
870 case RSVP_CTYPE_1:
871 while(obj_tlen >= 4 ) {
872 ND_PRINT((ndo, "%s Label: %u", ident, EXTRACT_32BITS(obj_tptr)));
873 obj_tlen-=4;
874 obj_tptr+=4;
875 }
876 break;
877 case RSVP_CTYPE_2:
878 if (obj_tlen < 4)
879 return-1;
880 ND_PRINT((ndo, "%s Generalized Label: %u",
881 ident,
882 EXTRACT_32BITS(obj_tptr)));
883 obj_tlen-=4;
884 obj_tptr+=4;
885 break;
886 case RSVP_CTYPE_3:
887 if (obj_tlen < 12)
888 return-1;
889 ND_PRINT((ndo, "%s Waveband ID: %u%s Start Label: %u, Stop Label: %u",
890 ident,
891 EXTRACT_32BITS(obj_tptr),
892 ident,
893 EXTRACT_32BITS(obj_tptr+4),
894 EXTRACT_32BITS(obj_tptr + 8)));
895 obj_tlen-=12;
896 obj_tptr+=12;
897 break;
898 default:
899 hexdump=TRUE;
900 }
901 break;
902
903 case RSVP_OBJ_STYLE:
904 switch(rsvp_obj_ctype) {
905 case RSVP_CTYPE_1:
906 if (obj_tlen < 4)
907 return-1;
908 ND_PRINT((ndo, "%s Reservation Style: %s, Flags: [0x%02x]",
909 ident,
910 tok2str(rsvp_resstyle_values,
911 "Unknown",
912 EXTRACT_24BITS(obj_tptr+1)),
913 *(obj_tptr)));
914 obj_tlen-=4;
915 obj_tptr+=4;
916 break;
917 default:
918 hexdump=TRUE;
919 }
920 break;
921
922 case RSVP_OBJ_SENDER_TEMPLATE:
923 switch(rsvp_obj_ctype) {
924 case RSVP_CTYPE_IPV4:
925 if (obj_tlen < 8)
926 return-1;
927 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
928 ident,
929 ipaddr_string(ndo, obj_tptr),
930 EXTRACT_16BITS(obj_tptr + 6)));
931 obj_tlen-=8;
932 obj_tptr+=8;
933 break;
934 case RSVP_CTYPE_IPV6:
935 if (obj_tlen < 20)
936 return-1;
937 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
938 ident,
939 ip6addr_string(ndo, obj_tptr),
940 EXTRACT_16BITS(obj_tptr + 18)));
941 obj_tlen-=20;
942 obj_tptr+=20;
943 break;
944 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
945 if (obj_tlen < 40)
946 return-1;
947 ND_PRINT((ndo, "%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
948 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
949 ident,
950 ip6addr_string(ndo, obj_tptr),
951 EXTRACT_16BITS(obj_tptr+18),
952 ident,
953 ip6addr_string(ndo, obj_tptr+20),
954 EXTRACT_16BITS(obj_tptr + 38)));
955 obj_tlen-=40;
956 obj_tptr+=40;
957 break;
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 u_char length;
1070
1071 ND_TCHECK2(*obj_tptr, 4);
1072 length = *(obj_tptr + 1);
1073 ND_PRINT((ndo, "%s Subobject Type: %s, length %u",
1074 ident,
1075 tok2str(rsvp_obj_xro_values,
1076 "Unknown %u",
1077 RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)),
1078 length));
1079
1080 if (length == 0) { /* prevent infinite loops */
1081 ND_PRINT((ndo, "%s ERROR: zero length ERO subtype", ident));
1082 break;
1083 }
1084
1085 switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) {
1086 u_char prefix_length;
1087
1088 case RSVP_OBJ_XRO_IPV4:
1089 if (length != 8) {
1090 ND_PRINT((ndo, " ERROR: length != 8"));
1091 goto invalid;
1092 }
1093 ND_TCHECK2(*obj_tptr, 8);
1094 prefix_length = *(obj_tptr+6);
1095 if (prefix_length != 32) {
1096 ND_PRINT((ndo, " ERROR: Prefix length %u != 32",
1097 prefix_length));
1098 goto invalid;
1099 }
1100 ND_PRINT((ndo, ", %s, %s/%u, Flags: [%s]",
1101 RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
1102 ipaddr_string(ndo, obj_tptr+2),
1103 *(obj_tptr+6),
1104 bittok2str(rsvp_obj_rro_flag_values,
1105 "none",
1106 *(obj_tptr + 7)))); /* rfc3209 says that this field is rsvd. */
1107 break;
1108 case RSVP_OBJ_XRO_LABEL:
1109 if (length != 8) {
1110 ND_PRINT((ndo, " ERROR: length != 8"));
1111 goto invalid;
1112 }
1113 ND_TCHECK2(*obj_tptr, 8);
1114 ND_PRINT((ndo, ", Flags: [%s] (%#x), Class-Type: %s (%u), %u",
1115 bittok2str(rsvp_obj_rro_label_flag_values,
1116 "none",
1117 *(obj_tptr+2)),
1118 *(obj_tptr+2),
1119 tok2str(rsvp_ctype_values,
1120 "Unknown",
1121 *(obj_tptr+3) + 256*RSVP_OBJ_RRO),
1122 *(obj_tptr+3),
1123 EXTRACT_32BITS(obj_tptr + 4)));
1124 }
1125 obj_tlen-=*(obj_tptr+1);
1126 obj_tptr+=*(obj_tptr+1);
1127 }
1128 break;
1129 default:
1130 hexdump=TRUE;
1131 }
1132 break;
1133
1134 case RSVP_OBJ_HELLO:
1135 switch(rsvp_obj_ctype) {
1136 case RSVP_CTYPE_1:
1137 case RSVP_CTYPE_2:
1138 if (obj_tlen < 8)
1139 return-1;
1140 ND_PRINT((ndo, "%s Source Instance: 0x%08x, Destination Instance: 0x%08x",
1141 ident,
1142 EXTRACT_32BITS(obj_tptr),
1143 EXTRACT_32BITS(obj_tptr + 4)));
1144 obj_tlen-=8;
1145 obj_tptr+=8;
1146 break;
1147 default:
1148 hexdump=TRUE;
1149 }
1150 break;
1151
1152 case RSVP_OBJ_RESTART_CAPABILITY:
1153 switch(rsvp_obj_ctype) {
1154 case RSVP_CTYPE_1:
1155 if (obj_tlen < 8)
1156 return-1;
1157 ND_PRINT((ndo, "%s Restart Time: %ums, Recovery Time: %ums",
1158 ident,
1159 EXTRACT_32BITS(obj_tptr),
1160 EXTRACT_32BITS(obj_tptr + 4)));
1161 obj_tlen-=8;
1162 obj_tptr+=8;
1163 break;
1164 default:
1165 hexdump=TRUE;
1166 }
1167 break;
1168
1169 case RSVP_OBJ_SESSION_ATTRIBUTE:
1170 switch(rsvp_obj_ctype) {
1171 case RSVP_CTYPE_TUNNEL_IPV4:
1172 if (obj_tlen < 4)
1173 return-1;
1174 namelen = *(obj_tptr+3);
1175 if (obj_tlen < 4+namelen)
1176 return-1;
1177 ND_PRINT((ndo, "%s Session Name: ", ident));
1178 for (i = 0; i < namelen; i++)
1179 safeputchar(ndo, *(obj_tptr + 4 + i));
1180 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Flags: [%s] (%#x)",
1181 ident,
1182 (int)*obj_tptr,
1183 (int)*(obj_tptr+1),
1184 bittok2str(rsvp_session_attribute_flag_values,
1185 "none",
1186 *(obj_tptr+2)),
1187 *(obj_tptr + 2)));
1188 obj_tlen-=4+*(obj_tptr+3);
1189 obj_tptr+=4+*(obj_tptr+3);
1190 break;
1191 default:
1192 hexdump=TRUE;
1193 }
1194 break;
1195
1196 case RSVP_OBJ_GENERALIZED_UNI:
1197 switch(rsvp_obj_ctype) {
1198 int subobj_type,af,subobj_len,total_subobj_len;
1199
1200 case RSVP_CTYPE_1:
1201
1202 if (obj_tlen < 4)
1203 return-1;
1204
1205 /* read variable length subobjects */
1206 total_subobj_len = obj_tlen;
1207 while(total_subobj_len > 0) {
1208 subobj_len = EXTRACT_16BITS(obj_tptr);
1209 subobj_type = (EXTRACT_16BITS(obj_tptr+2))>>8;
1210 af = (EXTRACT_16BITS(obj_tptr+2))&0x00FF;
1211
1212 ND_PRINT((ndo, "%s Subobject Type: %s (%u), AF: %s (%u), length: %u",
1213 ident,
1214 tok2str(rsvp_obj_generalized_uni_values, "Unknown", subobj_type),
1215 subobj_type,
1216 tok2str(af_values, "Unknown", af), af,
1217 subobj_len));
1218
1219 if(subobj_len == 0)
1220 goto invalid;
1221
1222 switch(subobj_type) {
1223 case RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS:
1224 case RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS:
1225
1226 switch(af) {
1227 case AFNUM_INET:
1228 if (subobj_len < 8)
1229 return -1;
1230 ND_PRINT((ndo, "%s UNI IPv4 TNA address: %s",
1231 ident, ipaddr_string(ndo, obj_tptr + 4)));
1232 break;
1233 case AFNUM_INET6:
1234 if (subobj_len < 20)
1235 return -1;
1236 ND_PRINT((ndo, "%s UNI IPv6 TNA address: %s",
1237 ident, ip6addr_string(ndo, obj_tptr + 4)));
1238 break;
1239 case AFNUM_NSAP:
1240 if (subobj_len) {
1241 /* unless we have a TLV parser lets just hexdump */
1242 hexdump=TRUE;
1243 }
1244 break;
1245 }
1246 break;
1247
1248 case RSVP_GEN_UNI_SUBOBJ_DIVERSITY:
1249 if (subobj_len) {
1250 /* unless we have a TLV parser lets just hexdump */
1251 hexdump=TRUE;
1252 }
1253 break;
1254
1255 case RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL:
1256 if (subobj_len < 16) {
1257 return -1;
1258 }
1259
1260 ND_PRINT((ndo, "%s U-bit: %x, Label type: %u, Logical port id: %u, Label: %u",
1261 ident,
1262 ((EXTRACT_32BITS(obj_tptr+4))>>31),
1263 ((EXTRACT_32BITS(obj_tptr+4))&0xFF),
1264 EXTRACT_32BITS(obj_tptr+8),
1265 EXTRACT_32BITS(obj_tptr + 12)));
1266 break;
1267
1268 case RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL:
1269 if (subobj_len < 8) {
1270 return -1;
1271 }
1272
1273 ND_PRINT((ndo, "%s Service level: %u",
1274 ident, (EXTRACT_32BITS(obj_tptr + 4)) >> 24));
1275 break;
1276
1277 default:
1278 hexdump=TRUE;
1279 break;
1280 }
1281 total_subobj_len-=subobj_len;
1282 obj_tptr+=subobj_len;
1283 obj_tlen+=subobj_len;
1284 }
1285
1286 if (total_subobj_len) {
1287 /* unless we have a TLV parser lets just hexdump */
1288 hexdump=TRUE;
1289 }
1290 break;
1291
1292 default:
1293 hexdump=TRUE;
1294 }
1295 break;
1296
1297 case RSVP_OBJ_RSVP_HOP:
1298 switch(rsvp_obj_ctype) {
1299 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1300 case RSVP_CTYPE_IPV4:
1301 if (obj_tlen < 8)
1302 return-1;
1303 ND_PRINT((ndo, "%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1304 ident,
1305 ipaddr_string(ndo, obj_tptr),
1306 EXTRACT_32BITS(obj_tptr + 4)));
1307 obj_tlen-=8;
1308 obj_tptr+=8;
1309 if (obj_tlen)
1310 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1311 break;
1312 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1313 case RSVP_CTYPE_IPV6:
1314 if (obj_tlen < 20)
1315 return-1;
1316 ND_PRINT((ndo, "%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1317 ident,
1318 ip6addr_string(ndo, obj_tptr),
1319 EXTRACT_32BITS(obj_tptr + 16)));
1320 obj_tlen-=20;
1321 obj_tptr+=20;
1322 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1323 break;
1324 default:
1325 hexdump=TRUE;
1326 }
1327 break;
1328
1329 case RSVP_OBJ_TIME_VALUES:
1330 switch(rsvp_obj_ctype) {
1331 case RSVP_CTYPE_1:
1332 if (obj_tlen < 4)
1333 return-1;
1334 ND_PRINT((ndo, "%s Refresh Period: %ums",
1335 ident,
1336 EXTRACT_32BITS(obj_tptr)));
1337 obj_tlen-=4;
1338 obj_tptr+=4;
1339 break;
1340 default:
1341 hexdump=TRUE;
1342 }
1343 break;
1344
1345 /* those three objects do share the same semantics */
1346 case RSVP_OBJ_SENDER_TSPEC:
1347 case RSVP_OBJ_ADSPEC:
1348 case RSVP_OBJ_FLOWSPEC:
1349 switch(rsvp_obj_ctype) {
1350 case RSVP_CTYPE_2:
1351 if (obj_tlen < 4)
1352 return-1;
1353 ND_PRINT((ndo, "%s Msg-Version: %u, length: %u",
1354 ident,
1355 (*obj_tptr & 0xf0) >> 4,
1356 EXTRACT_16BITS(obj_tptr + 2) << 2));
1357 obj_tptr+=4; /* get to the start of the service header */
1358 obj_tlen-=4;
1359
1360 while (obj_tlen >= 4) {
1361 intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
1362 ND_PRINT((ndo, "%s Service Type: %s (%u), break bit %s set, Service length: %u",
1363 ident,
1364 tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)),
1365 *(obj_tptr),
1366 (*(obj_tptr+1)&0x80) ? "" : "not",
1367 intserv_serv_tlen));
1368
1369 obj_tptr+=4; /* get to the start of the parameter list */
1370 obj_tlen-=4;
1371
1372 while (intserv_serv_tlen>=4) {
1373 processed = rsvp_intserv_print(ndo, obj_tptr, obj_tlen);
1374 if (processed == 0)
1375 break;
1376 obj_tlen-=processed;
1377 intserv_serv_tlen-=processed;
1378 obj_tptr+=processed;
1379 }
1380 }
1381 break;
1382 default:
1383 hexdump=TRUE;
1384 }
1385 break;
1386
1387 case RSVP_OBJ_FILTERSPEC:
1388 switch(rsvp_obj_ctype) {
1389 case RSVP_CTYPE_IPV4:
1390 if (obj_tlen < 8)
1391 return-1;
1392 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
1393 ident,
1394 ipaddr_string(ndo, obj_tptr),
1395 EXTRACT_16BITS(obj_tptr + 6)));
1396 obj_tlen-=8;
1397 obj_tptr+=8;
1398 break;
1399 case RSVP_CTYPE_IPV6:
1400 if (obj_tlen < 20)
1401 return-1;
1402 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
1403 ident,
1404 ip6addr_string(ndo, obj_tptr),
1405 EXTRACT_16BITS(obj_tptr + 18)));
1406 obj_tlen-=20;
1407 obj_tptr+=20;
1408 break;
1409 case RSVP_CTYPE_3:
1410 if (obj_tlen < 20)
1411 return-1;
1412 ND_PRINT((ndo, "%s Source Address: %s, Flow Label: %u",
1413 ident,
1414 ip6addr_string(ndo, obj_tptr),
1415 EXTRACT_24BITS(obj_tptr + 17)));
1416 obj_tlen-=20;
1417 obj_tptr+=20;
1418 break;
1419 case RSVP_CTYPE_TUNNEL_IPV6:
1420 if (obj_tlen < 20)
1421 return-1;
1422 ND_PRINT((ndo, "%s Source Address: %s, LSP-ID: 0x%04x",
1423 ident,
1424 ipaddr_string(ndo, obj_tptr),
1425 EXTRACT_16BITS(obj_tptr + 18)));
1426 obj_tlen-=20;
1427 obj_tptr+=20;
1428 break;
1429 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
1430 if (obj_tlen < 40)
1431 return-1;
1432 ND_PRINT((ndo, "%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
1433 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
1434 ident,
1435 ip6addr_string(ndo, obj_tptr),
1436 EXTRACT_16BITS(obj_tptr+18),
1437 ident,
1438 ip6addr_string(ndo, obj_tptr+20),
1439 EXTRACT_16BITS(obj_tptr + 38)));
1440 obj_tlen-=40;
1441 obj_tptr+=40;
1442 break;
1443 case RSVP_CTYPE_TUNNEL_IPV4:
1444 if (obj_tlen < 8)
1445 return-1;
1446 ND_PRINT((ndo, "%s Source Address: %s, LSP-ID: 0x%04x",
1447 ident,
1448 ipaddr_string(ndo, obj_tptr),
1449 EXTRACT_16BITS(obj_tptr + 6)));
1450 obj_tlen-=8;
1451 obj_tptr+=8;
1452 break;
1453 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
1454 if (obj_tlen < 16)
1455 return-1;
1456 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
1457 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
1458 ident,
1459 ipaddr_string(ndo, obj_tptr),
1460 EXTRACT_16BITS(obj_tptr+6),
1461 ident,
1462 ipaddr_string(ndo, obj_tptr+8),
1463 EXTRACT_16BITS(obj_tptr + 12)));
1464 obj_tlen-=16;
1465 obj_tptr+=16;
1466 break;
1467 default:
1468 hexdump=TRUE;
1469 }
1470 break;
1471
1472 case RSVP_OBJ_FASTREROUTE:
1473 /* the differences between c-type 1 and 7 are minor */
1474 obj_ptr.rsvp_obj_frr = (const struct rsvp_obj_frr_t *)obj_tptr;
1475 bw.i = EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->bandwidth);
1476
1477 switch(rsvp_obj_ctype) {
1478 case RSVP_CTYPE_1: /* new style */
1479 if (obj_tlen < sizeof(struct rsvp_obj_frr_t))
1480 return-1;
1481 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1482 ident,
1483 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1484 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1485 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1486 bw.f * 8 / 1000000));
1487 ND_PRINT((ndo, "%s Include-any: 0x%08x, Exclude-any: 0x%08x, Include-all: 0x%08x",
1488 ident,
1489 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1490 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any),
1491 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_all)));
1492 obj_tlen-=sizeof(struct rsvp_obj_frr_t);
1493 obj_tptr+=sizeof(struct rsvp_obj_frr_t);
1494 break;
1495
1496 case RSVP_CTYPE_TUNNEL_IPV4: /* old style */
1497 if (obj_tlen < 16)
1498 return-1;
1499 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1500 ident,
1501 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1502 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1503 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1504 bw.f * 8 / 1000000));
1505 ND_PRINT((ndo, "%s Include Colors: 0x%08x, Exclude Colors: 0x%08x",
1506 ident,
1507 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1508 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any)));
1509 obj_tlen-=16;
1510 obj_tptr+=16;
1511 break;
1512
1513 default:
1514 hexdump=TRUE;
1515 }
1516 break;
1517
1518 case RSVP_OBJ_DETOUR:
1519 switch(rsvp_obj_ctype) {
1520 case RSVP_CTYPE_TUNNEL_IPV4:
1521 while(obj_tlen >= 8) {
1522 ND_PRINT((ndo, "%s PLR-ID: %s, Avoid-Node-ID: %s",
1523 ident,
1524 ipaddr_string(ndo, obj_tptr),
1525 ipaddr_string(ndo, obj_tptr + 4)));
1526 obj_tlen-=8;
1527 obj_tptr+=8;
1528 }
1529 break;
1530 default:
1531 hexdump=TRUE;
1532 }
1533 break;
1534
1535 case RSVP_OBJ_CLASSTYPE:
1536 case RSVP_OBJ_CLASSTYPE_OLD: /* fall through */
1537 switch(rsvp_obj_ctype) {
1538 case RSVP_CTYPE_1:
1539 ND_PRINT((ndo, "%s CT: %u",
1540 ident,
1541 EXTRACT_32BITS(obj_tptr) & 0x7));
1542 obj_tlen-=4;
1543 obj_tptr+=4;
1544 break;
1545 default:
1546 hexdump=TRUE;
1547 }
1548 break;
1549
1550 case RSVP_OBJ_ERROR_SPEC:
1551 switch(rsvp_obj_ctype) {
1552 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1553 case RSVP_CTYPE_IPV4:
1554 if (obj_tlen < 8)
1555 return-1;
1556 error_code=*(obj_tptr+5);
1557 error_value=EXTRACT_16BITS(obj_tptr+6);
1558 ND_PRINT((ndo, "%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1559 ident,
1560 ipaddr_string(ndo, obj_tptr),
1561 *(obj_tptr+4),
1562 ident,
1563 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1564 error_code));
1565 switch (error_code) {
1566 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1567 ND_PRINT((ndo, ", Error Value: %s (%u)",
1568 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1569 error_value));
1570 break;
1571 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE: /* fall through */
1572 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD:
1573 ND_PRINT((ndo, ", Error Value: %s (%u)",
1574 tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value),
1575 error_value));
1576 break;
1577 default:
1578 ND_PRINT((ndo, ", Unknown Error Value (%u)", error_value));
1579 break;
1580 }
1581 obj_tlen-=8;
1582 obj_tptr+=8;
1583 break;
1584 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1585 case RSVP_CTYPE_IPV6:
1586 if (obj_tlen < 20)
1587 return-1;
1588 error_code=*(obj_tptr+17);
1589 error_value=EXTRACT_16BITS(obj_tptr+18);
1590 ND_PRINT((ndo, "%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1591 ident,
1592 ip6addr_string(ndo, obj_tptr),
1593 *(obj_tptr+16),
1594 ident,
1595 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1596 error_code));
1597
1598 switch (error_code) {
1599 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1600 ND_PRINT((ndo, ", Error Value: %s (%u)",
1601 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1602 error_value));
1603 break;
1604 default:
1605 break;
1606 }
1607 obj_tlen-=20;
1608 obj_tptr+=20;
1609 break;
1610 default:
1611 hexdump=TRUE;
1612 }
1613 break;
1614
1615 case RSVP_OBJ_PROPERTIES:
1616 switch(rsvp_obj_ctype) {
1617 case RSVP_CTYPE_1:
1618 if (obj_tlen < 4)
1619 return-1;
1620 padbytes = EXTRACT_16BITS(obj_tptr+2);
1621 ND_PRINT((ndo, "%s TLV count: %u, padding bytes: %u",
1622 ident,
1623 EXTRACT_16BITS(obj_tptr),
1624 padbytes));
1625 obj_tlen-=4;
1626 obj_tptr+=4;
1627 /* loop through as long there is anything longer than the TLV header (2) */
1628 while(obj_tlen >= 2 + padbytes) {
1629 ND_PRINT((ndo, "%s %s TLV (0x%02x), length: %u", /* length includes header */
1630 ident,
1631 tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
1632 *obj_tptr,
1633 *(obj_tptr + 1)));
1634 if (obj_tlen < *(obj_tptr+1))
1635 return-1;
1636 if (*(obj_tptr+1) < 2)
1637 return -1;
1638 print_unknown_data(ndo, obj_tptr + 2, "\n\t\t", *(obj_tptr + 1) - 2);
1639 obj_tlen-=*(obj_tptr+1);
1640 obj_tptr+=*(obj_tptr+1);
1641 }
1642 break;
1643 default:
1644 hexdump=TRUE;
1645 }
1646 break;
1647
1648 case RSVP_OBJ_MESSAGE_ID: /* fall through */
1649 case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */
1650 case RSVP_OBJ_MESSAGE_ID_LIST:
1651 switch(rsvp_obj_ctype) {
1652 case RSVP_CTYPE_1:
1653 case RSVP_CTYPE_2:
1654 if (obj_tlen < 8)
1655 return-1;
1656 ND_PRINT((ndo, "%s Flags [0x%02x], epoch: %u",
1657 ident,
1658 *obj_tptr,
1659 EXTRACT_24BITS(obj_tptr + 1)));
1660 obj_tlen-=4;
1661 obj_tptr+=4;
1662 /* loop through as long there are no messages left */
1663 while(obj_tlen >= 4) {
1664 ND_PRINT((ndo, "%s Message-ID 0x%08x (%u)",
1665 ident,
1666 EXTRACT_32BITS(obj_tptr),
1667 EXTRACT_32BITS(obj_tptr)));
1668 obj_tlen-=4;
1669 obj_tptr+=4;
1670 }
1671 break;
1672 default:
1673 hexdump=TRUE;
1674 }
1675 break;
1676
1677 case RSVP_OBJ_INTEGRITY:
1678 switch(rsvp_obj_ctype) {
1679 case RSVP_CTYPE_1:
1680 if (obj_tlen < sizeof(struct rsvp_obj_integrity_t))
1681 return-1;
1682 obj_ptr.rsvp_obj_integrity = (const struct rsvp_obj_integrity_t *)obj_tptr;
1683 ND_PRINT((ndo, "%s Key-ID 0x%04x%08x, Sequence 0x%08x%08x, Flags [%s]",
1684 ident,
1685 EXTRACT_16BITS(obj_ptr.rsvp_obj_integrity->key_id),
1686 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->key_id+2),
1687 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence),
1688 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence+4),
1689 bittok2str(rsvp_obj_integrity_flag_values,
1690 "none",
1691 obj_ptr.rsvp_obj_integrity->flags)));
1692 ND_PRINT((ndo, "%s MD5-sum 0x%08x%08x%08x%08x ",
1693 ident,
1694 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest),
1695 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+4),
1696 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+8),
1697 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest + 12)));
1698
1699 sigcheck = signature_verify(ndo, pptr, plen,
1700 obj_ptr.rsvp_obj_integrity->digest,
1701 rsvp_clear_checksum,
1702 rsvp_com_header);
1703 ND_PRINT((ndo, " (%s)", tok2str(signature_check_values, "Unknown", sigcheck)));
1704
1705 obj_tlen+=sizeof(struct rsvp_obj_integrity_t);
1706 obj_tptr+=sizeof(struct rsvp_obj_integrity_t);
1707 break;
1708 default:
1709 hexdump=TRUE;
1710 }
1711 break;
1712
1713 case RSVP_OBJ_ADMIN_STATUS:
1714 switch(rsvp_obj_ctype) {
1715 case RSVP_CTYPE_1:
1716 if (obj_tlen < 4)
1717 return-1;
1718 ND_PRINT((ndo, "%s Flags [%s]", ident,
1719 bittok2str(rsvp_obj_admin_status_flag_values, "none",
1720 EXTRACT_32BITS(obj_tptr))));
1721 obj_tlen-=4;
1722 obj_tptr+=4;
1723 break;
1724 default:
1725 hexdump=TRUE;
1726 }
1727 break;
1728
1729 case RSVP_OBJ_LABEL_SET:
1730 switch(rsvp_obj_ctype) {
1731 case RSVP_CTYPE_1:
1732 if (obj_tlen < 4)
1733 return-1;
1734 action = (EXTRACT_16BITS(obj_tptr)>>8);
1735
1736 ND_PRINT((ndo, "%s Action: %s (%u), Label type: %u", ident,
1737 tok2str(rsvp_obj_label_set_action_values, "Unknown", action),
1738 action, ((EXTRACT_32BITS(obj_tptr) & 0x7F))));
1739
1740 switch (action) {
1741 case LABEL_SET_INCLUSIVE_RANGE:
1742 case LABEL_SET_EXCLUSIVE_RANGE: /* fall through */
1743
1744 /* only a couple of subchannels are expected */
1745 if (obj_tlen < 12)
1746 return -1;
1747 ND_PRINT((ndo, "%s Start range: %u, End range: %u", ident,
1748 EXTRACT_32BITS(obj_tptr+4),
1749 EXTRACT_32BITS(obj_tptr + 8)));
1750 obj_tlen-=12;
1751 obj_tptr+=12;
1752 break;
1753
1754 default:
1755 obj_tlen-=4;
1756 obj_tptr+=4;
1757 subchannel = 1;
1758 while(obj_tlen >= 4 ) {
1759 ND_PRINT((ndo, "%s Subchannel #%u: %u", ident, subchannel,
1760 EXTRACT_32BITS(obj_tptr)));
1761 obj_tptr+=4;
1762 obj_tlen-=4;
1763 subchannel++;
1764 }
1765 break;
1766 }
1767 break;
1768 default:
1769 hexdump=TRUE;
1770 }
1771 break;
1772
1773 case RSVP_OBJ_S2L:
1774 switch (rsvp_obj_ctype) {
1775 case RSVP_CTYPE_IPV4:
1776 if (obj_tlen < 4)
1777 return-1;
1778 ND_PRINT((ndo, "%s Sub-LSP destination address: %s",
1779 ident, ipaddr_string(ndo, obj_tptr)));
1780
1781 obj_tlen-=4;
1782 obj_tptr+=4;
1783 break;
1784 case RSVP_CTYPE_IPV6:
1785 if (obj_tlen < 16)
1786 return-1;
1787 ND_PRINT((ndo, "%s Sub-LSP destination address: %s",
1788 ident, ip6addr_string(ndo, obj_tptr)));
1789
1790 obj_tlen-=16;
1791 obj_tptr+=16;
1792 break;
1793 default:
1794 hexdump=TRUE;
1795 }
1796 break;
1797
1798 /*
1799 * FIXME those are the defined objects that lack a decoder
1800 * you are welcome to contribute code ;-)
1801 */
1802
1803 case RSVP_OBJ_SCOPE:
1804 case RSVP_OBJ_POLICY_DATA:
1805 case RSVP_OBJ_ACCEPT_LABEL_SET:
1806 case RSVP_OBJ_PROTECTION:
1807 default:
1808 if (ndo->ndo_vflag <= 1)
1809 print_unknown_data(ndo, obj_tptr, "\n\t ", obj_tlen); /* FIXME indentation */
1810 break;
1811 }
1812 /* do we also want to see a hex dump ? */
1813 if (ndo->ndo_vflag > 1 || hexdump == TRUE)
1814 print_unknown_data(ndo, tptr + sizeof(struct rsvp_object_header), "\n\t ", /* FIXME indentation */
1815 rsvp_obj_len - sizeof(struct rsvp_object_header));
1816
1817 tptr+=rsvp_obj_len;
1818 tlen-=rsvp_obj_len;
1819 }
1820 return 0;
1821 invalid:
1822 ND_PRINT((ndo, "%s", istr));
1823 return -1;
1824 trunc:
1825 ND_PRINT((ndo, "\n\t\t"));
1826 ND_PRINT((ndo, "%s", tstr));
1827 return -1;
1828 }
1829
1830 void
1831 rsvp_print(netdissect_options *ndo,
1832 register const u_char *pptr, register u_int len)
1833 {
1834 const struct rsvp_common_header *rsvp_com_header;
1835 const u_char *tptr;
1836 u_short plen, tlen;
1837
1838 tptr=pptr;
1839
1840 rsvp_com_header = (const struct rsvp_common_header *)pptr;
1841 ND_TCHECK(*rsvp_com_header);
1842
1843 /*
1844 * Sanity checking of the header.
1845 */
1846 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1847 ND_PRINT((ndo, "ERROR: RSVP version %u packet not supported",
1848 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)));
1849 return;
1850 }
1851
1852 /* in non-verbose mode just lets print the basic Message Type*/
1853 if (ndo->ndo_vflag < 1) {
1854 ND_PRINT((ndo, "RSVPv%u %s Message, length: %u",
1855 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1856 tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
1857 len));
1858 return;
1859 }
1860
1861 /* ok they seem to want to know everything - lets fully decode it */
1862
1863 plen = tlen = EXTRACT_16BITS(rsvp_com_header->length);
1864
1865 ND_PRINT((ndo, "\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1866 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1867 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1868 rsvp_com_header->msg_type,
1869 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1870 tlen,
1871 rsvp_com_header->ttl,
1872 EXTRACT_16BITS(rsvp_com_header->checksum)));
1873
1874 if (tlen < sizeof(const struct rsvp_common_header)) {
1875 ND_PRINT((ndo, "ERROR: common header too short %u < %lu", tlen,
1876 (unsigned long)sizeof(const struct rsvp_common_header)));
1877 return;
1878 }
1879
1880 tptr+=sizeof(const struct rsvp_common_header);
1881 tlen-=sizeof(const struct rsvp_common_header);
1882
1883 switch(rsvp_com_header->msg_type) {
1884
1885 case RSVP_MSGTYPE_BUNDLE:
1886 /*
1887 * Process each submessage in the bundle message.
1888 * Bundle messages may not contain bundle submessages, so we don't
1889 * need to handle bundle submessages specially.
1890 */
1891 while(tlen > 0) {
1892 const u_char *subpptr=tptr, *subtptr;
1893 u_short subplen, subtlen;
1894
1895 subtptr=subpptr;
1896
1897 rsvp_com_header = (const struct rsvp_common_header *)subpptr;
1898 ND_TCHECK(*rsvp_com_header);
1899
1900 /*
1901 * Sanity checking of the header.
1902 */
1903 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1904 ND_PRINT((ndo, "ERROR: RSVP version %u packet not supported",
1905 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)));
1906 return;
1907 }
1908
1909 subplen = subtlen = EXTRACT_16BITS(rsvp_com_header->length);
1910
1911 ND_PRINT((ndo, "\n\t RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1912 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1913 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1914 rsvp_com_header->msg_type,
1915 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1916 subtlen,
1917 rsvp_com_header->ttl,
1918 EXTRACT_16BITS(rsvp_com_header->checksum)));
1919
1920 if (subtlen < sizeof(const struct rsvp_common_header)) {
1921 ND_PRINT((ndo, "ERROR: common header too short %u < %lu", subtlen,
1922 (unsigned long)sizeof(const struct rsvp_common_header)));
1923 return;
1924 }
1925
1926 if (tlen < subtlen) {
1927 ND_PRINT((ndo, "ERROR: common header too large %u > %u", subtlen,
1928 tlen));
1929 return;
1930 }
1931
1932 subtptr+=sizeof(const struct rsvp_common_header);
1933 subtlen-=sizeof(const struct rsvp_common_header);
1934
1935 /*
1936 * Print all objects in the submessage.
1937 */
1938 if (rsvp_obj_print(ndo, subpptr, subplen, subtptr, "\n\t ", subtlen, rsvp_com_header) == -1)
1939 return;
1940
1941 tptr+=subtlen+sizeof(const struct rsvp_common_header);
1942 tlen-=subtlen+sizeof(const struct rsvp_common_header);
1943 }
1944
1945 break;
1946
1947 case RSVP_MSGTYPE_PATH:
1948 case RSVP_MSGTYPE_RESV:
1949 case RSVP_MSGTYPE_PATHERR:
1950 case RSVP_MSGTYPE_RESVERR:
1951 case RSVP_MSGTYPE_PATHTEAR:
1952 case RSVP_MSGTYPE_RESVTEAR:
1953 case RSVP_MSGTYPE_RESVCONF:
1954 case RSVP_MSGTYPE_HELLO_OLD:
1955 case RSVP_MSGTYPE_HELLO:
1956 case RSVP_MSGTYPE_ACK:
1957 case RSVP_MSGTYPE_SREFRESH:
1958 /*
1959 * Print all objects in the message.
1960 */
1961 if (rsvp_obj_print(ndo, pptr, plen, tptr, "\n\t ", tlen, rsvp_com_header) == -1)
1962 return;
1963 break;
1964
1965 default:
1966 print_unknown_data(ndo, tptr, "\n\t ", tlen);
1967 break;
1968 }
1969
1970 return;
1971 trunc:
1972 ND_PRINT((ndo, "\n\t\t"));
1973 ND_PRINT((ndo, "%s", tstr));
1974 }
[mirror] the TCPdump network dissector