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[tcpdump] / print-rsvp.c
1 /*
2 * Copyright (c) 1998-2007 The TCPDUMP project
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that: (1) source code
6 * distributions retain the above copyright notice and this paragraph
7 * in its entirety, and (2) distributions including binary code include
8 * the above copyright notice and this paragraph in its entirety in
9 * the documentation or other materials provided with the distribution.
10 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
11 * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
12 * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
13 * FOR A PARTICULAR PURPOSE.
14 *
15 * Original code by Hannes Gredler (hannes@juniper.net)
16 */
17
18 /* \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 break;
528
529 case 6:
530 /*
531 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
532 * | 6 (h) | (i) | 1 (j) |
533 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
534 * | Path b/w estimate (32-bit IEEE floating point number) |
535 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
536 */
537 if (parameter_length == 4) {
538 ND_TCHECK2(*(tptr + 4), 4);
539 bw.i = EXTRACT_32BITS(tptr+4);
540 ND_PRINT((ndo, "\n\t\tPath b/w estimate: %.10g Mbps", bw.f / 125000));
541 }
542 break;
543
544 case 8:
545 /*
546 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
547 * | 8 (k) | (l) | 1 (m) |
548 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
549 * | Minimum path latency (32-bit integer) |
550 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
551 */
552 if (parameter_length == 4) {
553 ND_TCHECK2(*(tptr + 4), 4);
554 ND_PRINT((ndo, "\n\t\tMinimum path latency: "));
555 if (EXTRACT_32BITS(tptr+4) == 0xffffffff)
556 ND_PRINT((ndo, "don't care"));
557 else
558 ND_PRINT((ndo, "%u", EXTRACT_32BITS(tptr + 4)));
559 }
560 break;
561
562 case 10:
563
564 /*
565 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
566 * | 10 (n) | (o) | 1 (p) |
567 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
568 * | Composed MTU (32-bit unsigned integer) |
569 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
570 */
571 if (parameter_length == 4)
572 ND_TCHECK2(*(tptr + 4), 4);
573 ND_PRINT((ndo, "\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr + 4)));
574 break;
575 case 127:
576 /*
577 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
578 * | 127 (e) | 0 (f) | 5 (g) |
579 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
580 * | Token Bucket Rate [r] (32-bit IEEE floating point number) |
581 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
582 * | Token Bucket Size [b] (32-bit IEEE floating point number) |
583 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
584 * | Peak Data Rate [p] (32-bit IEEE floating point number) |
585 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
586 * | Minimum Policed Unit [m] (32-bit integer) |
587 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
588 * | Maximum Packet Size [M] (32-bit integer) |
589 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
590 */
591
592 if (parameter_length == 20) {
593 ND_TCHECK2(*(tptr + 4), 20);
594 bw.i = EXTRACT_32BITS(tptr+4);
595 ND_PRINT((ndo, "\n\t\tToken Bucket Rate: %.10g Mbps", bw.f / 125000));
596 bw.i = EXTRACT_32BITS(tptr+8);
597 ND_PRINT((ndo, "\n\t\tToken Bucket Size: %.10g bytes", bw.f));
598 bw.i = EXTRACT_32BITS(tptr+12);
599 ND_PRINT((ndo, "\n\t\tPeak Data Rate: %.10g Mbps", bw.f / 125000));
600 ND_PRINT((ndo, "\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr + 16)));
601 ND_PRINT((ndo, "\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr + 20)));
602 }
603 break;
604
605 case 130:
606 /*
607 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
608 * | 130 (h) | 0 (i) | 2 (j) |
609 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
610 * | Rate [R] (32-bit IEEE floating point number) |
611 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
612 * | Slack Term [S] (32-bit integer) |
613 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
614 */
615
616 if (parameter_length == 8) {
617 ND_TCHECK2(*(tptr + 4), 8);
618 bw.i = EXTRACT_32BITS(tptr+4);
619 ND_PRINT((ndo, "\n\t\tRate: %.10g Mbps", bw.f / 125000));
620 ND_PRINT((ndo, "\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr + 8)));
621 }
622 break;
623
624 case 133:
625 case 134:
626 case 135:
627 case 136:
628 if (parameter_length == 4)
629 ND_TCHECK2(*(tptr + 4), 4);
630 ND_PRINT((ndo, "\n\t\tValue: %u", EXTRACT_32BITS(tptr + 4)));
631 break;
632
633 default:
634 if (ndo->ndo_vflag <= 1)
635 print_unknown_data(ndo, tptr + 4, "\n\t\t", parameter_length);
636 }
637 return (parameter_length+4); /* header length 4 bytes */
638
639 trunc:
640 ND_PRINT((ndo, "%s", tstr));
641 return 0;
642 }
643
644 /*
645 * Clear checksum prior to signature verification.
646 */
647 static void
648 rsvp_clear_checksum(void *header)
649 {
650 struct rsvp_common_header *rsvp_com_header = (struct rsvp_common_header *) header;
651
652 rsvp_com_header->checksum[0] = 0;
653 rsvp_com_header->checksum[1] = 0;
654 }
655
656 static int
657 rsvp_obj_print(netdissect_options *ndo,
658 const u_char *pptr, u_int plen, const u_char *tptr,
659 const char *ident, u_int tlen,
660 const struct rsvp_common_header *rsvp_com_header)
661 {
662 const struct rsvp_object_header *rsvp_obj_header;
663 const u_char *obj_tptr;
664 union {
665 const struct rsvp_obj_integrity_t *rsvp_obj_integrity;
666 const struct rsvp_obj_frr_t *rsvp_obj_frr;
667 } obj_ptr;
668
669 u_short rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen;
670 int hexdump,processed,padbytes,error_code,error_value,i,sigcheck;
671 union {
672 float f;
673 uint32_t i;
674 } bw;
675 uint8_t namelen;
676
677 u_int action, subchannel;
678
679 while(tlen>=sizeof(struct rsvp_object_header)) {
680 /* did we capture enough for fully decoding the object header ? */
681 ND_TCHECK2(*tptr, sizeof(struct rsvp_object_header));
682
683 rsvp_obj_header = (const struct rsvp_object_header *)tptr;
684 rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length);
685 rsvp_obj_ctype=rsvp_obj_header->ctype;
686
687 if(rsvp_obj_len % 4) {
688 ND_PRINT((ndo, "%sERROR: object header size %u not a multiple of 4", ident, rsvp_obj_len));
689 return -1;
690 }
691 if(rsvp_obj_len < sizeof(struct rsvp_object_header)) {
692 ND_PRINT((ndo, "%sERROR: object header too short %u < %lu", ident, rsvp_obj_len,
693 (unsigned long)sizeof(const struct rsvp_object_header)));
694 return -1;
695 }
696
697 ND_PRINT((ndo, "%s%s Object (%u) Flags: [%s",
698 ident,
699 tok2str(rsvp_obj_values,
700 "Unknown",
701 rsvp_obj_header->class_num),
702 rsvp_obj_header->class_num,
703 ((rsvp_obj_header->class_num) & 0x80) ? "ignore" : "reject"));
704
705 if (rsvp_obj_header->class_num > 128)
706 ND_PRINT((ndo, " %s",
707 ((rsvp_obj_header->class_num) & 0x40) ? "and forward" : "silently"));
708
709 ND_PRINT((ndo, " if unknown], Class-Type: %s (%u), length: %u",
710 tok2str(rsvp_ctype_values,
711 "Unknown",
712 ((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype),
713 rsvp_obj_ctype,
714 rsvp_obj_len));
715
716 if(tlen < rsvp_obj_len) {
717 ND_PRINT((ndo, "%sERROR: object goes past end of objects TLV", ident));
718 return -1;
719 }
720
721 obj_tptr=tptr+sizeof(struct rsvp_object_header);
722 obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
723
724 /* did we capture enough for fully decoding the object ? */
725 if (!ND_TTEST2(*tptr, rsvp_obj_len))
726 return -1;
727 hexdump=FALSE;
728
729 switch(rsvp_obj_header->class_num) {
730 case RSVP_OBJ_SESSION:
731 switch(rsvp_obj_ctype) {
732 case RSVP_CTYPE_IPV4:
733 if (obj_tlen < 8)
734 return -1;
735 ND_PRINT((ndo, "%s IPv4 DestAddress: %s, Protocol ID: 0x%02x",
736 ident,
737 ipaddr_string(ndo, obj_tptr),
738 *(obj_tptr + sizeof(struct in_addr))));
739 ND_PRINT((ndo, "%s Flags: [0x%02x], DestPort %u",
740 ident,
741 *(obj_tptr+5),
742 EXTRACT_16BITS(obj_tptr + 6)));
743 obj_tlen-=8;
744 obj_tptr+=8;
745 break;
746 case RSVP_CTYPE_IPV6:
747 if (obj_tlen < 20)
748 return -1;
749 ND_PRINT((ndo, "%s IPv6 DestAddress: %s, Protocol ID: 0x%02x",
750 ident,
751 ip6addr_string(ndo, obj_tptr),
752 *(obj_tptr + sizeof(struct in6_addr))));
753 ND_PRINT((ndo, "%s Flags: [0x%02x], DestPort %u",
754 ident,
755 *(obj_tptr+sizeof(struct in6_addr)+1),
756 EXTRACT_16BITS(obj_tptr + sizeof(struct in6_addr) + 2)));
757 obj_tlen-=20;
758 obj_tptr+=20;
759 break;
760
761 case RSVP_CTYPE_TUNNEL_IPV6:
762 if (obj_tlen < 36)
763 return -1;
764 ND_PRINT((ndo, "%s IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
765 ident,
766 ip6addr_string(ndo, obj_tptr),
767 EXTRACT_16BITS(obj_tptr+18),
768 ip6addr_string(ndo, obj_tptr + 20)));
769 obj_tlen-=36;
770 obj_tptr+=36;
771 break;
772
773 case RSVP_CTYPE_14: /* IPv6 p2mp LSP Tunnel */
774 if (obj_tlen < 26)
775 return -1;
776 ND_PRINT((ndo, "%s IPv6 P2MP LSP ID: 0x%08x, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
777 ident,
778 EXTRACT_32BITS(obj_tptr),
779 EXTRACT_16BITS(obj_tptr+6),
780 ip6addr_string(ndo, obj_tptr + 8)));
781 obj_tlen-=26;
782 obj_tptr+=26;
783 break;
784 case RSVP_CTYPE_13: /* IPv4 p2mp LSP Tunnel */
785 if (obj_tlen < 12)
786 return -1;
787 ND_PRINT((ndo, "%s IPv4 P2MP LSP ID: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
788 ident,
789 ipaddr_string(ndo, obj_tptr),
790 EXTRACT_16BITS(obj_tptr+6),
791 ipaddr_string(ndo, obj_tptr + 8)));
792 obj_tlen-=12;
793 obj_tptr+=12;
794 break;
795 case RSVP_CTYPE_TUNNEL_IPV4:
796 case RSVP_CTYPE_UNI_IPV4:
797 if (obj_tlen < 12)
798 return -1;
799 ND_PRINT((ndo, "%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
800 ident,
801 ipaddr_string(ndo, obj_tptr),
802 EXTRACT_16BITS(obj_tptr+6),
803 ipaddr_string(ndo, obj_tptr + 8)));
804 obj_tlen-=12;
805 obj_tptr+=12;
806 break;
807 default:
808 hexdump=TRUE;
809 }
810 break;
811
812 case RSVP_OBJ_CONFIRM:
813 switch(rsvp_obj_ctype) {
814 case RSVP_CTYPE_IPV4:
815 if (obj_tlen < sizeof(struct in_addr))
816 return -1;
817 ND_PRINT((ndo, "%s IPv4 Receiver Address: %s",
818 ident,
819 ipaddr_string(ndo, obj_tptr)));
820 obj_tlen-=sizeof(struct in_addr);
821 obj_tptr+=sizeof(struct in_addr);
822 break;
823 case RSVP_CTYPE_IPV6:
824 if (obj_tlen < sizeof(struct in6_addr))
825 return -1;
826 ND_PRINT((ndo, "%s IPv6 Receiver Address: %s",
827 ident,
828 ip6addr_string(ndo, obj_tptr)));
829 obj_tlen-=sizeof(struct in6_addr);
830 obj_tptr+=sizeof(struct in6_addr);
831 break;
832 default:
833 hexdump=TRUE;
834 }
835 break;
836
837 case RSVP_OBJ_NOTIFY_REQ:
838 switch(rsvp_obj_ctype) {
839 case RSVP_CTYPE_IPV4:
840 if (obj_tlen < sizeof(struct in_addr))
841 return -1;
842 ND_PRINT((ndo, "%s IPv4 Notify Node Address: %s",
843 ident,
844 ipaddr_string(ndo, obj_tptr)));
845 obj_tlen-=sizeof(struct in_addr);
846 obj_tptr+=sizeof(struct in_addr);
847 break;
848 case RSVP_CTYPE_IPV6:
849 if (obj_tlen < sizeof(struct in6_addr))
850 return-1;
851 ND_PRINT((ndo, "%s IPv6 Notify Node Address: %s",
852 ident,
853 ip6addr_string(ndo, obj_tptr)));
854 obj_tlen-=sizeof(struct in6_addr);
855 obj_tptr+=sizeof(struct in6_addr);
856 break;
857 default:
858 hexdump=TRUE;
859 }
860 break;
861
862 case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
863 case RSVP_OBJ_UPSTREAM_LABEL: /* fall through */
864 case RSVP_OBJ_RECOVERY_LABEL: /* fall through */
865 case RSVP_OBJ_LABEL:
866 switch(rsvp_obj_ctype) {
867 case RSVP_CTYPE_1:
868 while(obj_tlen >= 4 ) {
869 ND_PRINT((ndo, "%s Label: %u", ident, EXTRACT_32BITS(obj_tptr)));
870 obj_tlen-=4;
871 obj_tptr+=4;
872 }
873 break;
874 case RSVP_CTYPE_2:
875 if (obj_tlen < 4)
876 return-1;
877 ND_PRINT((ndo, "%s Generalized Label: %u",
878 ident,
879 EXTRACT_32BITS(obj_tptr)));
880 obj_tlen-=4;
881 obj_tptr+=4;
882 break;
883 case RSVP_CTYPE_3:
884 if (obj_tlen < 12)
885 return-1;
886 ND_PRINT((ndo, "%s Waveband ID: %u%s Start Label: %u, Stop Label: %u",
887 ident,
888 EXTRACT_32BITS(obj_tptr),
889 ident,
890 EXTRACT_32BITS(obj_tptr+4),
891 EXTRACT_32BITS(obj_tptr + 8)));
892 obj_tlen-=12;
893 obj_tptr+=12;
894 break;
895 default:
896 hexdump=TRUE;
897 }
898 break;
899
900 case RSVP_OBJ_STYLE:
901 switch(rsvp_obj_ctype) {
902 case RSVP_CTYPE_1:
903 if (obj_tlen < 4)
904 return-1;
905 ND_PRINT((ndo, "%s Reservation Style: %s, Flags: [0x%02x]",
906 ident,
907 tok2str(rsvp_resstyle_values,
908 "Unknown",
909 EXTRACT_24BITS(obj_tptr+1)),
910 *(obj_tptr)));
911 obj_tlen-=4;
912 obj_tptr+=4;
913 break;
914 default:
915 hexdump=TRUE;
916 }
917 break;
918
919 case RSVP_OBJ_SENDER_TEMPLATE:
920 switch(rsvp_obj_ctype) {
921 case RSVP_CTYPE_IPV4:
922 if (obj_tlen < 8)
923 return-1;
924 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
925 ident,
926 ipaddr_string(ndo, obj_tptr),
927 EXTRACT_16BITS(obj_tptr + 6)));
928 obj_tlen-=8;
929 obj_tptr+=8;
930 break;
931 case RSVP_CTYPE_IPV6:
932 if (obj_tlen < 20)
933 return-1;
934 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
935 ident,
936 ip6addr_string(ndo, obj_tptr),
937 EXTRACT_16BITS(obj_tptr + 18)));
938 obj_tlen-=20;
939 obj_tptr+=20;
940 break;
941 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
942 if (obj_tlen < 40)
943 return-1;
944 ND_PRINT((ndo, "%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
945 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
946 ident,
947 ip6addr_string(ndo, obj_tptr),
948 EXTRACT_16BITS(obj_tptr+18),
949 ident,
950 ip6addr_string(ndo, obj_tptr+20),
951 EXTRACT_16BITS(obj_tptr + 38)));
952 obj_tlen-=40;
953 obj_tptr+=40;
954 break;
955 case RSVP_CTYPE_TUNNEL_IPV4:
956 if (obj_tlen < 8)
957 return-1;
958 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
959 ident,
960 ipaddr_string(ndo, obj_tptr),
961 EXTRACT_16BITS(obj_tptr + 6)));
962 obj_tlen-=8;
963 obj_tptr+=8;
964 break;
965 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
966 if (obj_tlen < 16)
967 return-1;
968 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
969 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
970 ident,
971 ipaddr_string(ndo, obj_tptr),
972 EXTRACT_16BITS(obj_tptr+6),
973 ident,
974 ipaddr_string(ndo, obj_tptr+8),
975 EXTRACT_16BITS(obj_tptr + 12)));
976 obj_tlen-=16;
977 obj_tptr+=16;
978 break;
979 default:
980 hexdump=TRUE;
981 }
982 break;
983
984 case RSVP_OBJ_LABEL_REQ:
985 switch(rsvp_obj_ctype) {
986 case RSVP_CTYPE_1:
987 while(obj_tlen >= 4 ) {
988 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
989 ident,
990 tok2str(ethertype_values,
991 "Unknown Protocol (0x%04x)",
992 EXTRACT_16BITS(obj_tptr + 2))));
993 obj_tlen-=4;
994 obj_tptr+=4;
995 }
996 break;
997 case RSVP_CTYPE_2:
998 if (obj_tlen < 12)
999 return-1;
1000 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
1001 ident,
1002 tok2str(ethertype_values,
1003 "Unknown Protocol (0x%04x)",
1004 EXTRACT_16BITS(obj_tptr + 2))));
1005 ND_PRINT((ndo, ",%s merge capability",((*(obj_tptr + 4)) & 0x80) ? "no" : "" ));
1006 ND_PRINT((ndo, "%s Minimum VPI/VCI: %u/%u",
1007 ident,
1008 (EXTRACT_16BITS(obj_tptr+4))&0xfff,
1009 (EXTRACT_16BITS(obj_tptr + 6)) & 0xfff));
1010 ND_PRINT((ndo, "%s Maximum VPI/VCI: %u/%u",
1011 ident,
1012 (EXTRACT_16BITS(obj_tptr+8))&0xfff,
1013 (EXTRACT_16BITS(obj_tptr + 10)) & 0xfff));
1014 obj_tlen-=12;
1015 obj_tptr+=12;
1016 break;
1017 case RSVP_CTYPE_3:
1018 if (obj_tlen < 12)
1019 return-1;
1020 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
1021 ident,
1022 tok2str(ethertype_values,
1023 "Unknown Protocol (0x%04x)",
1024 EXTRACT_16BITS(obj_tptr + 2))));
1025 ND_PRINT((ndo, "%s Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI",
1026 ident,
1027 (EXTRACT_32BITS(obj_tptr+4))&0x7fffff,
1028 (EXTRACT_32BITS(obj_tptr+8))&0x7fffff,
1029 (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "",
1030 (((EXTRACT_16BITS(obj_tptr + 4) >> 7) & 3) == 2 ) ? "23" : ""));
1031 obj_tlen-=12;
1032 obj_tptr+=12;
1033 break;
1034 case RSVP_CTYPE_4:
1035 if (obj_tlen < 4)
1036 return-1;
1037 ND_PRINT((ndo, "%s LSP Encoding Type: %s (%u)",
1038 ident,
1039 tok2str(gmpls_encoding_values,
1040 "Unknown",
1041 *obj_tptr),
1042 *obj_tptr));
1043 ND_PRINT((ndo, "%s Switching Type: %s (%u), Payload ID: %s (0x%04x)",
1044 ident,
1045 tok2str(gmpls_switch_cap_values,
1046 "Unknown",
1047 *(obj_tptr+1)),
1048 *(obj_tptr+1),
1049 tok2str(gmpls_payload_values,
1050 "Unknown",
1051 EXTRACT_16BITS(obj_tptr+2)),
1052 EXTRACT_16BITS(obj_tptr + 2)));
1053 obj_tlen-=4;
1054 obj_tptr+=4;
1055 break;
1056 default:
1057 hexdump=TRUE;
1058 }
1059 break;
1060
1061 case RSVP_OBJ_RRO:
1062 case RSVP_OBJ_ERO:
1063 switch(rsvp_obj_ctype) {
1064 case RSVP_CTYPE_IPV4:
1065 while(obj_tlen >= 4 ) {
1066 u_char length;
1067
1068 ND_TCHECK2(*obj_tptr, 4);
1069 length = *(obj_tptr + 1);
1070 ND_PRINT((ndo, "%s Subobject Type: %s, length %u",
1071 ident,
1072 tok2str(rsvp_obj_xro_values,
1073 "Unknown %u",
1074 RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)),
1075 length));
1076
1077 if (length == 0) { /* prevent infinite loops */
1078 ND_PRINT((ndo, "%s ERROR: zero length ERO subtype", ident));
1079 break;
1080 }
1081
1082 switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) {
1083 u_char prefix_length;
1084
1085 case RSVP_OBJ_XRO_IPV4:
1086 if (length != 8) {
1087 ND_PRINT((ndo, " ERROR: length != 8"));
1088 goto invalid;
1089 }
1090 ND_TCHECK2(*obj_tptr, 8);
1091 prefix_length = *(obj_tptr+6);
1092 if (prefix_length != 32) {
1093 ND_PRINT((ndo, " ERROR: Prefix length %u != 32",
1094 prefix_length));
1095 goto invalid;
1096 }
1097 ND_PRINT((ndo, ", %s, %s/%u, Flags: [%s]",
1098 RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
1099 ipaddr_string(ndo, obj_tptr+2),
1100 *(obj_tptr+6),
1101 bittok2str(rsvp_obj_rro_flag_values,
1102 "none",
1103 *(obj_tptr + 7)))); /* rfc3209 says that this field is rsvd. */
1104 break;
1105 case RSVP_OBJ_XRO_LABEL:
1106 if (length != 8) {
1107 ND_PRINT((ndo, " ERROR: length != 8"));
1108 goto invalid;
1109 }
1110 ND_TCHECK2(*obj_tptr, 8);
1111 ND_PRINT((ndo, ", Flags: [%s] (%#x), Class-Type: %s (%u), %u",
1112 bittok2str(rsvp_obj_rro_label_flag_values,
1113 "none",
1114 *(obj_tptr+2)),
1115 *(obj_tptr+2),
1116 tok2str(rsvp_ctype_values,
1117 "Unknown",
1118 *(obj_tptr+3) + 256*RSVP_OBJ_RRO),
1119 *(obj_tptr+3),
1120 EXTRACT_32BITS(obj_tptr + 4)));
1121 }
1122 obj_tlen-=*(obj_tptr+1);
1123 obj_tptr+=*(obj_tptr+1);
1124 }
1125 break;
1126 default:
1127 hexdump=TRUE;
1128 }
1129 break;
1130
1131 case RSVP_OBJ_HELLO:
1132 switch(rsvp_obj_ctype) {
1133 case RSVP_CTYPE_1:
1134 case RSVP_CTYPE_2:
1135 if (obj_tlen < 8)
1136 return-1;
1137 ND_PRINT((ndo, "%s Source Instance: 0x%08x, Destination Instance: 0x%08x",
1138 ident,
1139 EXTRACT_32BITS(obj_tptr),
1140 EXTRACT_32BITS(obj_tptr + 4)));
1141 obj_tlen-=8;
1142 obj_tptr+=8;
1143 break;
1144 default:
1145 hexdump=TRUE;
1146 }
1147 break;
1148
1149 case RSVP_OBJ_RESTART_CAPABILITY:
1150 switch(rsvp_obj_ctype) {
1151 case RSVP_CTYPE_1:
1152 if (obj_tlen < 8)
1153 return-1;
1154 ND_PRINT((ndo, "%s Restart Time: %ums, Recovery Time: %ums",
1155 ident,
1156 EXTRACT_32BITS(obj_tptr),
1157 EXTRACT_32BITS(obj_tptr + 4)));
1158 obj_tlen-=8;
1159 obj_tptr+=8;
1160 break;
1161 default:
1162 hexdump=TRUE;
1163 }
1164 break;
1165
1166 case RSVP_OBJ_SESSION_ATTRIBUTE:
1167 switch(rsvp_obj_ctype) {
1168 case RSVP_CTYPE_TUNNEL_IPV4:
1169 if (obj_tlen < 4)
1170 return-1;
1171 namelen = *(obj_tptr+3);
1172 if (obj_tlen < 4+namelen)
1173 return-1;
1174 ND_PRINT((ndo, "%s Session Name: ", ident));
1175 for (i = 0; i < namelen; i++)
1176 safeputchar(ndo, *(obj_tptr + 4 + i));
1177 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Flags: [%s] (%#x)",
1178 ident,
1179 (int)*obj_tptr,
1180 (int)*(obj_tptr+1),
1181 bittok2str(rsvp_session_attribute_flag_values,
1182 "none",
1183 *(obj_tptr+2)),
1184 *(obj_tptr + 2)));
1185 obj_tlen-=4+*(obj_tptr+3);
1186 obj_tptr+=4+*(obj_tptr+3);
1187 break;
1188 default:
1189 hexdump=TRUE;
1190 }
1191 break;
1192
1193 case RSVP_OBJ_GENERALIZED_UNI:
1194 switch(rsvp_obj_ctype) {
1195 int subobj_type,af,subobj_len,total_subobj_len;
1196
1197 case RSVP_CTYPE_1:
1198
1199 if (obj_tlen < 4)
1200 return-1;
1201
1202 /* read variable length subobjects */
1203 total_subobj_len = obj_tlen;
1204 while(total_subobj_len > 0) {
1205 subobj_len = EXTRACT_16BITS(obj_tptr);
1206 subobj_type = (EXTRACT_16BITS(obj_tptr+2))>>8;
1207 af = (EXTRACT_16BITS(obj_tptr+2))&0x00FF;
1208
1209 ND_PRINT((ndo, "%s Subobject Type: %s (%u), AF: %s (%u), length: %u",
1210 ident,
1211 tok2str(rsvp_obj_generalized_uni_values, "Unknown", subobj_type),
1212 subobj_type,
1213 tok2str(af_values, "Unknown", af), af,
1214 subobj_len));
1215
1216 if(subobj_len == 0)
1217 goto invalid;
1218
1219 switch(subobj_type) {
1220 case RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS:
1221 case RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS:
1222
1223 switch(af) {
1224 case AFNUM_INET:
1225 if (subobj_len < 8)
1226 return -1;
1227 ND_PRINT((ndo, "%s UNI IPv4 TNA address: %s",
1228 ident, ipaddr_string(ndo, obj_tptr + 4)));
1229 break;
1230 case AFNUM_INET6:
1231 if (subobj_len < 20)
1232 return -1;
1233 ND_PRINT((ndo, "%s UNI IPv6 TNA address: %s",
1234 ident, ip6addr_string(ndo, obj_tptr + 4)));
1235 break;
1236 case AFNUM_NSAP:
1237 if (subobj_len) {
1238 /* unless we have a TLV parser lets just hexdump */
1239 hexdump=TRUE;
1240 }
1241 break;
1242 }
1243 break;
1244
1245 case RSVP_GEN_UNI_SUBOBJ_DIVERSITY:
1246 if (subobj_len) {
1247 /* unless we have a TLV parser lets just hexdump */
1248 hexdump=TRUE;
1249 }
1250 break;
1251
1252 case RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL:
1253 if (subobj_len < 16) {
1254 return -1;
1255 }
1256
1257 ND_PRINT((ndo, "%s U-bit: %x, Label type: %u, Logical port id: %u, Label: %u",
1258 ident,
1259 ((EXTRACT_32BITS(obj_tptr+4))>>31),
1260 ((EXTRACT_32BITS(obj_tptr+4))&0xFF),
1261 EXTRACT_32BITS(obj_tptr+8),
1262 EXTRACT_32BITS(obj_tptr + 12)));
1263 break;
1264
1265 case RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL:
1266 if (subobj_len < 8) {
1267 return -1;
1268 }
1269
1270 ND_PRINT((ndo, "%s Service level: %u",
1271 ident, (EXTRACT_32BITS(obj_tptr + 4)) >> 24));
1272 break;
1273
1274 default:
1275 hexdump=TRUE;
1276 break;
1277 }
1278 total_subobj_len-=subobj_len;
1279 obj_tptr+=subobj_len;
1280 obj_tlen+=subobj_len;
1281 }
1282
1283 if (total_subobj_len) {
1284 /* unless we have a TLV parser lets just hexdump */
1285 hexdump=TRUE;
1286 }
1287 break;
1288
1289 default:
1290 hexdump=TRUE;
1291 }
1292 break;
1293
1294 case RSVP_OBJ_RSVP_HOP:
1295 switch(rsvp_obj_ctype) {
1296 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1297 case RSVP_CTYPE_IPV4:
1298 if (obj_tlen < 8)
1299 return-1;
1300 ND_PRINT((ndo, "%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1301 ident,
1302 ipaddr_string(ndo, obj_tptr),
1303 EXTRACT_32BITS(obj_tptr + 4)));
1304 obj_tlen-=8;
1305 obj_tptr+=8;
1306 if (obj_tlen)
1307 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1308 break;
1309 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1310 case RSVP_CTYPE_IPV6:
1311 if (obj_tlen < 20)
1312 return-1;
1313 ND_PRINT((ndo, "%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1314 ident,
1315 ip6addr_string(ndo, obj_tptr),
1316 EXTRACT_32BITS(obj_tptr + 16)));
1317 obj_tlen-=20;
1318 obj_tptr+=20;
1319 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1320 break;
1321 default:
1322 hexdump=TRUE;
1323 }
1324 break;
1325
1326 case RSVP_OBJ_TIME_VALUES:
1327 switch(rsvp_obj_ctype) {
1328 case RSVP_CTYPE_1:
1329 if (obj_tlen < 4)
1330 return-1;
1331 ND_PRINT((ndo, "%s Refresh Period: %ums",
1332 ident,
1333 EXTRACT_32BITS(obj_tptr)));
1334 obj_tlen-=4;
1335 obj_tptr+=4;
1336 break;
1337 default:
1338 hexdump=TRUE;
1339 }
1340 break;
1341
1342 /* those three objects do share the same semantics */
1343 case RSVP_OBJ_SENDER_TSPEC:
1344 case RSVP_OBJ_ADSPEC:
1345 case RSVP_OBJ_FLOWSPEC:
1346 switch(rsvp_obj_ctype) {
1347 case RSVP_CTYPE_2:
1348 if (obj_tlen < 4)
1349 return-1;
1350 ND_PRINT((ndo, "%s Msg-Version: %u, length: %u",
1351 ident,
1352 (*obj_tptr & 0xf0) >> 4,
1353 EXTRACT_16BITS(obj_tptr + 2) << 2));
1354 obj_tptr+=4; /* get to the start of the service header */
1355 obj_tlen-=4;
1356
1357 while (obj_tlen >= 4) {
1358 intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
1359 ND_PRINT((ndo, "%s Service Type: %s (%u), break bit %s set, Service length: %u",
1360 ident,
1361 tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)),
1362 *(obj_tptr),
1363 (*(obj_tptr+1)&0x80) ? "" : "not",
1364 intserv_serv_tlen));
1365
1366 obj_tptr+=4; /* get to the start of the parameter list */
1367 obj_tlen-=4;
1368
1369 while (intserv_serv_tlen>=4) {
1370 processed = rsvp_intserv_print(ndo, obj_tptr, obj_tlen);
1371 if (processed == 0)
1372 break;
1373 obj_tlen-=processed;
1374 intserv_serv_tlen-=processed;
1375 obj_tptr+=processed;
1376 }
1377 }
1378 break;
1379 default:
1380 hexdump=TRUE;
1381 }
1382 break;
1383
1384 case RSVP_OBJ_FILTERSPEC:
1385 switch(rsvp_obj_ctype) {
1386 case RSVP_CTYPE_IPV4:
1387 if (obj_tlen < 8)
1388 return-1;
1389 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
1390 ident,
1391 ipaddr_string(ndo, obj_tptr),
1392 EXTRACT_16BITS(obj_tptr + 6)));
1393 obj_tlen-=8;
1394 obj_tptr+=8;
1395 break;
1396 case RSVP_CTYPE_IPV6:
1397 if (obj_tlen < 20)
1398 return-1;
1399 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
1400 ident,
1401 ip6addr_string(ndo, obj_tptr),
1402 EXTRACT_16BITS(obj_tptr + 18)));
1403 obj_tlen-=20;
1404 obj_tptr+=20;
1405 break;
1406 case RSVP_CTYPE_3:
1407 if (obj_tlen < 20)
1408 return-1;
1409 ND_PRINT((ndo, "%s Source Address: %s, Flow Label: %u",
1410 ident,
1411 ip6addr_string(ndo, obj_tptr),
1412 EXTRACT_24BITS(obj_tptr + 17)));
1413 obj_tlen-=20;
1414 obj_tptr+=20;
1415 break;
1416 case RSVP_CTYPE_TUNNEL_IPV6:
1417 if (obj_tlen < 20)
1418 return-1;
1419 ND_PRINT((ndo, "%s Source Address: %s, LSP-ID: 0x%04x",
1420 ident,
1421 ipaddr_string(ndo, obj_tptr),
1422 EXTRACT_16BITS(obj_tptr + 18)));
1423 obj_tlen-=20;
1424 obj_tptr+=20;
1425 break;
1426 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
1427 if (obj_tlen < 40)
1428 return-1;
1429 ND_PRINT((ndo, "%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
1430 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
1431 ident,
1432 ip6addr_string(ndo, obj_tptr),
1433 EXTRACT_16BITS(obj_tptr+18),
1434 ident,
1435 ip6addr_string(ndo, obj_tptr+20),
1436 EXTRACT_16BITS(obj_tptr + 38)));
1437 obj_tlen-=40;
1438 obj_tptr+=40;
1439 break;
1440 case RSVP_CTYPE_TUNNEL_IPV4:
1441 if (obj_tlen < 8)
1442 return-1;
1443 ND_PRINT((ndo, "%s Source Address: %s, LSP-ID: 0x%04x",
1444 ident,
1445 ipaddr_string(ndo, obj_tptr),
1446 EXTRACT_16BITS(obj_tptr + 6)));
1447 obj_tlen-=8;
1448 obj_tptr+=8;
1449 break;
1450 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
1451 if (obj_tlen < 16)
1452 return-1;
1453 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
1454 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
1455 ident,
1456 ipaddr_string(ndo, obj_tptr),
1457 EXTRACT_16BITS(obj_tptr+6),
1458 ident,
1459 ipaddr_string(ndo, obj_tptr+8),
1460 EXTRACT_16BITS(obj_tptr + 12)));
1461 obj_tlen-=16;
1462 obj_tptr+=16;
1463 break;
1464 default:
1465 hexdump=TRUE;
1466 }
1467 break;
1468
1469 case RSVP_OBJ_FASTREROUTE:
1470 /* the differences between c-type 1 and 7 are minor */
1471 obj_ptr.rsvp_obj_frr = (const struct rsvp_obj_frr_t *)obj_tptr;
1472 bw.i = EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->bandwidth);
1473
1474 switch(rsvp_obj_ctype) {
1475 case RSVP_CTYPE_1: /* new style */
1476 if (obj_tlen < sizeof(struct rsvp_obj_frr_t))
1477 return-1;
1478 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1479 ident,
1480 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1481 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1482 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1483 bw.f * 8 / 1000000));
1484 ND_PRINT((ndo, "%s Include-any: 0x%08x, Exclude-any: 0x%08x, Include-all: 0x%08x",
1485 ident,
1486 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1487 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any),
1488 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_all)));
1489 obj_tlen-=sizeof(struct rsvp_obj_frr_t);
1490 obj_tptr+=sizeof(struct rsvp_obj_frr_t);
1491 break;
1492
1493 case RSVP_CTYPE_TUNNEL_IPV4: /* old style */
1494 if (obj_tlen < 16)
1495 return-1;
1496 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1497 ident,
1498 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1499 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1500 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1501 bw.f * 8 / 1000000));
1502 ND_PRINT((ndo, "%s Include Colors: 0x%08x, Exclude Colors: 0x%08x",
1503 ident,
1504 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1505 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any)));
1506 obj_tlen-=16;
1507 obj_tptr+=16;
1508 break;
1509
1510 default:
1511 hexdump=TRUE;
1512 }
1513 break;
1514
1515 case RSVP_OBJ_DETOUR:
1516 switch(rsvp_obj_ctype) {
1517 case RSVP_CTYPE_TUNNEL_IPV4:
1518 while(obj_tlen >= 8) {
1519 ND_PRINT((ndo, "%s PLR-ID: %s, Avoid-Node-ID: %s",
1520 ident,
1521 ipaddr_string(ndo, obj_tptr),
1522 ipaddr_string(ndo, obj_tptr + 4)));
1523 obj_tlen-=8;
1524 obj_tptr+=8;
1525 }
1526 break;
1527 default:
1528 hexdump=TRUE;
1529 }
1530 break;
1531
1532 case RSVP_OBJ_CLASSTYPE:
1533 case RSVP_OBJ_CLASSTYPE_OLD: /* fall through */
1534 switch(rsvp_obj_ctype) {
1535 case RSVP_CTYPE_1:
1536 ND_PRINT((ndo, "%s CT: %u",
1537 ident,
1538 EXTRACT_32BITS(obj_tptr) & 0x7));
1539 obj_tlen-=4;
1540 obj_tptr+=4;
1541 break;
1542 default:
1543 hexdump=TRUE;
1544 }
1545 break;
1546
1547 case RSVP_OBJ_ERROR_SPEC:
1548 switch(rsvp_obj_ctype) {
1549 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1550 case RSVP_CTYPE_IPV4:
1551 if (obj_tlen < 8)
1552 return-1;
1553 error_code=*(obj_tptr+5);
1554 error_value=EXTRACT_16BITS(obj_tptr+6);
1555 ND_PRINT((ndo, "%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1556 ident,
1557 ipaddr_string(ndo, obj_tptr),
1558 *(obj_tptr+4),
1559 ident,
1560 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1561 error_code));
1562 switch (error_code) {
1563 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1564 ND_PRINT((ndo, ", Error Value: %s (%u)",
1565 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1566 error_value));
1567 break;
1568 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE: /* fall through */
1569 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD:
1570 ND_PRINT((ndo, ", Error Value: %s (%u)",
1571 tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value),
1572 error_value));
1573 break;
1574 default:
1575 ND_PRINT((ndo, ", Unknown Error Value (%u)", error_value));
1576 break;
1577 }
1578 obj_tlen-=8;
1579 obj_tptr+=8;
1580 break;
1581 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1582 case RSVP_CTYPE_IPV6:
1583 if (obj_tlen < 20)
1584 return-1;
1585 error_code=*(obj_tptr+17);
1586 error_value=EXTRACT_16BITS(obj_tptr+18);
1587 ND_PRINT((ndo, "%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1588 ident,
1589 ip6addr_string(ndo, obj_tptr),
1590 *(obj_tptr+16),
1591 ident,
1592 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1593 error_code));
1594
1595 switch (error_code) {
1596 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1597 ND_PRINT((ndo, ", Error Value: %s (%u)",
1598 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1599 error_value));
1600 break;
1601 default:
1602 break;
1603 }
1604 obj_tlen-=20;
1605 obj_tptr+=20;
1606 break;
1607 default:
1608 hexdump=TRUE;
1609 }
1610 break;
1611
1612 case RSVP_OBJ_PROPERTIES:
1613 switch(rsvp_obj_ctype) {
1614 case RSVP_CTYPE_1:
1615 if (obj_tlen < 4)
1616 return-1;
1617 padbytes = EXTRACT_16BITS(obj_tptr+2);
1618 ND_PRINT((ndo, "%s TLV count: %u, padding bytes: %u",
1619 ident,
1620 EXTRACT_16BITS(obj_tptr),
1621 padbytes));
1622 obj_tlen-=4;
1623 obj_tptr+=4;
1624 /* loop through as long there is anything longer than the TLV header (2) */
1625 while(obj_tlen >= 2 + padbytes) {
1626 ND_PRINT((ndo, "%s %s TLV (0x%02x), length: %u", /* length includes header */
1627 ident,
1628 tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
1629 *obj_tptr,
1630 *(obj_tptr + 1)));
1631 if (obj_tlen < *(obj_tptr+1))
1632 return-1;
1633 if (*(obj_tptr+1) < 2)
1634 return -1;
1635 print_unknown_data(ndo, obj_tptr + 2, "\n\t\t", *(obj_tptr + 1) - 2);
1636 obj_tlen-=*(obj_tptr+1);
1637 obj_tptr+=*(obj_tptr+1);
1638 }
1639 break;
1640 default:
1641 hexdump=TRUE;
1642 }
1643 break;
1644
1645 case RSVP_OBJ_MESSAGE_ID: /* fall through */
1646 case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */
1647 case RSVP_OBJ_MESSAGE_ID_LIST:
1648 switch(rsvp_obj_ctype) {
1649 case RSVP_CTYPE_1:
1650 case RSVP_CTYPE_2:
1651 if (obj_tlen < 8)
1652 return-1;
1653 ND_PRINT((ndo, "%s Flags [0x%02x], epoch: %u",
1654 ident,
1655 *obj_tptr,
1656 EXTRACT_24BITS(obj_tptr + 1)));
1657 obj_tlen-=4;
1658 obj_tptr+=4;
1659 /* loop through as long there are no messages left */
1660 while(obj_tlen >= 4) {
1661 ND_PRINT((ndo, "%s Message-ID 0x%08x (%u)",
1662 ident,
1663 EXTRACT_32BITS(obj_tptr),
1664 EXTRACT_32BITS(obj_tptr)));
1665 obj_tlen-=4;
1666 obj_tptr+=4;
1667 }
1668 break;
1669 default:
1670 hexdump=TRUE;
1671 }
1672 break;
1673
1674 case RSVP_OBJ_INTEGRITY:
1675 switch(rsvp_obj_ctype) {
1676 case RSVP_CTYPE_1:
1677 if (obj_tlen < sizeof(struct rsvp_obj_integrity_t))
1678 return-1;
1679 obj_ptr.rsvp_obj_integrity = (const struct rsvp_obj_integrity_t *)obj_tptr;
1680 ND_PRINT((ndo, "%s Key-ID 0x%04x%08x, Sequence 0x%08x%08x, Flags [%s]",
1681 ident,
1682 EXTRACT_16BITS(obj_ptr.rsvp_obj_integrity->key_id),
1683 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->key_id+2),
1684 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence),
1685 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence+4),
1686 bittok2str(rsvp_obj_integrity_flag_values,
1687 "none",
1688 obj_ptr.rsvp_obj_integrity->flags)));
1689 ND_PRINT((ndo, "%s MD5-sum 0x%08x%08x%08x%08x ",
1690 ident,
1691 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest),
1692 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+4),
1693 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+8),
1694 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest + 12)));
1695
1696 sigcheck = signature_verify(ndo, pptr, plen,
1697 obj_ptr.rsvp_obj_integrity->digest,
1698 rsvp_clear_checksum,
1699 rsvp_com_header);
1700 ND_PRINT((ndo, " (%s)", tok2str(signature_check_values, "Unknown", sigcheck)));
1701
1702 obj_tlen+=sizeof(struct rsvp_obj_integrity_t);
1703 obj_tptr+=sizeof(struct rsvp_obj_integrity_t);
1704 break;
1705 default:
1706 hexdump=TRUE;
1707 }
1708 break;
1709
1710 case RSVP_OBJ_ADMIN_STATUS:
1711 switch(rsvp_obj_ctype) {
1712 case RSVP_CTYPE_1:
1713 if (obj_tlen < 4)
1714 return-1;
1715 ND_PRINT((ndo, "%s Flags [%s]", ident,
1716 bittok2str(rsvp_obj_admin_status_flag_values, "none",
1717 EXTRACT_32BITS(obj_tptr))));
1718 obj_tlen-=4;
1719 obj_tptr+=4;
1720 break;
1721 default:
1722 hexdump=TRUE;
1723 }
1724 break;
1725
1726 case RSVP_OBJ_LABEL_SET:
1727 switch(rsvp_obj_ctype) {
1728 case RSVP_CTYPE_1:
1729 if (obj_tlen < 4)
1730 return-1;
1731 action = (EXTRACT_16BITS(obj_tptr)>>8);
1732
1733 ND_PRINT((ndo, "%s Action: %s (%u), Label type: %u", ident,
1734 tok2str(rsvp_obj_label_set_action_values, "Unknown", action),
1735 action, ((EXTRACT_32BITS(obj_tptr) & 0x7F))));
1736
1737 switch (action) {
1738 case LABEL_SET_INCLUSIVE_RANGE:
1739 case LABEL_SET_EXCLUSIVE_RANGE: /* fall through */
1740
1741 /* only a couple of subchannels are expected */
1742 if (obj_tlen < 12)
1743 return -1;
1744 ND_PRINT((ndo, "%s Start range: %u, End range: %u", ident,
1745 EXTRACT_32BITS(obj_tptr+4),
1746 EXTRACT_32BITS(obj_tptr + 8)));
1747 obj_tlen-=12;
1748 obj_tptr+=12;
1749 break;
1750
1751 default:
1752 obj_tlen-=4;
1753 obj_tptr+=4;
1754 subchannel = 1;
1755 while(obj_tlen >= 4 ) {
1756 ND_PRINT((ndo, "%s Subchannel #%u: %u", ident, subchannel,
1757 EXTRACT_32BITS(obj_tptr)));
1758 obj_tptr+=4;
1759 obj_tlen-=4;
1760 subchannel++;
1761 }
1762 break;
1763 }
1764 break;
1765 default:
1766 hexdump=TRUE;
1767 }
1768
1769 case RSVP_OBJ_S2L:
1770 switch (rsvp_obj_ctype) {
1771 case RSVP_CTYPE_IPV4:
1772 if (obj_tlen < 4)
1773 return-1;
1774 ND_PRINT((ndo, "%s Sub-LSP destination address: %s",
1775 ident, ipaddr_string(ndo, obj_tptr)));
1776
1777 obj_tlen-=4;
1778 obj_tptr+=4;
1779 break;
1780 case RSVP_CTYPE_IPV6:
1781 if (obj_tlen < 16)
1782 return-1;
1783 ND_PRINT((ndo, "%s Sub-LSP destination address: %s",
1784 ident, ip6addr_string(ndo, obj_tptr)));
1785
1786 obj_tlen-=16;
1787 obj_tptr+=16;
1788 break;
1789 default:
1790 hexdump=TRUE;
1791 }
1792
1793 /*
1794 * FIXME those are the defined objects that lack a decoder
1795 * you are welcome to contribute code ;-)
1796 */
1797
1798 case RSVP_OBJ_SCOPE:
1799 case RSVP_OBJ_POLICY_DATA:
1800 case RSVP_OBJ_ACCEPT_LABEL_SET:
1801 case RSVP_OBJ_PROTECTION:
1802 default:
1803 if (ndo->ndo_vflag <= 1)
1804 print_unknown_data(ndo, obj_tptr, "\n\t ", obj_tlen); /* FIXME indentation */
1805 break;
1806 }
1807 /* do we also want to see a hex dump ? */
1808 if (ndo->ndo_vflag > 1 || hexdump == TRUE)
1809 print_unknown_data(ndo, tptr + sizeof(struct rsvp_object_header), "\n\t ", /* FIXME indentation */
1810 rsvp_obj_len - sizeof(struct rsvp_object_header));
1811
1812 tptr+=rsvp_obj_len;
1813 tlen-=rsvp_obj_len;
1814 }
1815 return 0;
1816 invalid:
1817 ND_PRINT((ndo, "%s", istr));
1818 return -1;
1819 trunc:
1820 ND_PRINT((ndo, "\n\t\t"));
1821 ND_PRINT((ndo, "%s", tstr));
1822 return -1;
1823 }
1824
1825 void
1826 rsvp_print(netdissect_options *ndo,
1827 register const u_char *pptr, register u_int len)
1828 {
1829 const struct rsvp_common_header *rsvp_com_header;
1830 const u_char *tptr;
1831 u_short plen, tlen;
1832
1833 tptr=pptr;
1834
1835 rsvp_com_header = (const struct rsvp_common_header *)pptr;
1836 ND_TCHECK(*rsvp_com_header);
1837
1838 /*
1839 * Sanity checking of the header.
1840 */
1841 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1842 ND_PRINT((ndo, "ERROR: RSVP version %u packet not supported",
1843 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)));
1844 return;
1845 }
1846
1847 /* in non-verbose mode just lets print the basic Message Type*/
1848 if (ndo->ndo_vflag < 1) {
1849 ND_PRINT((ndo, "RSVPv%u %s Message, length: %u",
1850 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1851 tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
1852 len));
1853 return;
1854 }
1855
1856 /* ok they seem to want to know everything - lets fully decode it */
1857
1858 plen = tlen = EXTRACT_16BITS(rsvp_com_header->length);
1859
1860 ND_PRINT((ndo, "\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1861 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1862 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1863 rsvp_com_header->msg_type,
1864 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1865 tlen,
1866 rsvp_com_header->ttl,
1867 EXTRACT_16BITS(rsvp_com_header->checksum)));
1868
1869 if (tlen < sizeof(const struct rsvp_common_header)) {
1870 ND_PRINT((ndo, "ERROR: common header too short %u < %lu", tlen,
1871 (unsigned long)sizeof(const struct rsvp_common_header)));
1872 return;
1873 }
1874
1875 tptr+=sizeof(const struct rsvp_common_header);
1876 tlen-=sizeof(const struct rsvp_common_header);
1877
1878 switch(rsvp_com_header->msg_type) {
1879
1880 case RSVP_MSGTYPE_BUNDLE:
1881 /*
1882 * Process each submessage in the bundle message.
1883 * Bundle messages may not contain bundle submessages, so we don't
1884 * need to handle bundle submessages specially.
1885 */
1886 while(tlen > 0) {
1887 const u_char *subpptr=tptr, *subtptr;
1888 u_short subplen, subtlen;
1889
1890 subtptr=subpptr;
1891
1892 rsvp_com_header = (const struct rsvp_common_header *)subpptr;
1893 ND_TCHECK(*rsvp_com_header);
1894
1895 /*
1896 * Sanity checking of the header.
1897 */
1898 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1899 ND_PRINT((ndo, "ERROR: RSVP version %u packet not supported",
1900 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)));
1901 return;
1902 }
1903
1904 subplen = subtlen = EXTRACT_16BITS(rsvp_com_header->length);
1905
1906 ND_PRINT((ndo, "\n\t RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1907 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1908 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1909 rsvp_com_header->msg_type,
1910 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1911 subtlen,
1912 rsvp_com_header->ttl,
1913 EXTRACT_16BITS(rsvp_com_header->checksum)));
1914
1915 if (subtlen < sizeof(const struct rsvp_common_header)) {
1916 ND_PRINT((ndo, "ERROR: common header too short %u < %lu", subtlen,
1917 (unsigned long)sizeof(const struct rsvp_common_header)));
1918 return;
1919 }
1920
1921 if (tlen < subtlen) {
1922 ND_PRINT((ndo, "ERROR: common header too large %u > %u", subtlen,
1923 tlen));
1924 return;
1925 }
1926
1927 subtptr+=sizeof(const struct rsvp_common_header);
1928 subtlen-=sizeof(const struct rsvp_common_header);
1929
1930 /*
1931 * Print all objects in the submessage.
1932 */
1933 if (rsvp_obj_print(ndo, subpptr, subplen, subtptr, "\n\t ", subtlen, rsvp_com_header) == -1)
1934 return;
1935
1936 tptr+=subtlen+sizeof(const struct rsvp_common_header);
1937 tlen-=subtlen+sizeof(const struct rsvp_common_header);
1938 }
1939
1940 break;
1941
1942 case RSVP_MSGTYPE_PATH:
1943 case RSVP_MSGTYPE_RESV:
1944 case RSVP_MSGTYPE_PATHERR:
1945 case RSVP_MSGTYPE_RESVERR:
1946 case RSVP_MSGTYPE_PATHTEAR:
1947 case RSVP_MSGTYPE_RESVTEAR:
1948 case RSVP_MSGTYPE_RESVCONF:
1949 case RSVP_MSGTYPE_HELLO_OLD:
1950 case RSVP_MSGTYPE_HELLO:
1951 case RSVP_MSGTYPE_ACK:
1952 case RSVP_MSGTYPE_SREFRESH:
1953 /*
1954 * Print all objects in the message.
1955 */
1956 if (rsvp_obj_print(ndo, pptr, plen, tptr, "\n\t ", tlen, rsvp_com_header) == -1)
1957 return;
1958 break;
1959
1960 default:
1961 print_unknown_data(ndo, tptr, "\n\t ", tlen);
1962 break;
1963 }
1964
1965 return;
1966 trunc:
1967 ND_PRINT((ndo, "\n\t\t"));
1968 ND_PRINT((ndo, "%s", tstr));
1969 }
[mirror] the TCPdump network dissector