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Fix some comments
[tcpdump] / print-rsvp.c
1 /*
2 * Copyright (c) 1998-2007 The TCPDUMP project
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that: (1) source code
6 * distributions retain the above copyright notice and this paragraph
7 * in its entirety, and (2) distributions including binary code include
8 * the above copyright notice and this paragraph in its entirety in
9 * the documentation or other materials provided with the distribution.
10 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
11 * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
12 * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
13 * FOR A PARTICULAR PURPOSE.
14 *
15 * Original code by Hannes Gredler (hannes@juniper.net)
16 */
17
18 #ifdef HAVE_CONFIG_H
19 #include "config.h"
20 #endif
21
22 #include <netdissect-stdinc.h>
23
24 #include "netdissect.h"
25 #include "extract.h"
26 #include "addrtoname.h"
27 #include "ethertype.h"
28 #include "gmpls.h"
29 #include "af.h"
30 #include "signature.h"
31
32 static const char istr[] = " (invalid)";
33
34 /*
35 * RFC 2205 common header
36 *
37 * 0 1 2 3
38 * +-------------+-------------+-------------+-------------+
39 * | Vers | Flags| Msg Type | RSVP Checksum |
40 * +-------------+-------------+-------------+-------------+
41 * | Send_TTL | (Reserved) | RSVP Length |
42 * +-------------+-------------+-------------+-------------+
43 *
44 */
45
46 struct rsvp_common_header {
47 uint8_t version_flags;
48 uint8_t msg_type;
49 uint8_t checksum[2];
50 uint8_t ttl;
51 uint8_t reserved;
52 uint8_t length[2];
53 };
54
55 /*
56 * RFC2205 object header
57 *
58 *
59 * 0 1 2 3
60 * +-------------+-------------+-------------+-------------+
61 * | Length (bytes) | Class-Num | C-Type |
62 * +-------------+-------------+-------------+-------------+
63 * | |
64 * // (Object contents) //
65 * | |
66 * +-------------+-------------+-------------+-------------+
67 */
68
69 struct rsvp_object_header {
70 uint8_t length[2];
71 uint8_t class_num;
72 uint8_t ctype;
73 };
74
75 #define RSVP_VERSION 1
76 #define RSVP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
77 #define RSVP_EXTRACT_FLAGS(x) ((x)&0x0f)
78
79 #define RSVP_MSGTYPE_PATH 1
80 #define RSVP_MSGTYPE_RESV 2
81 #define RSVP_MSGTYPE_PATHERR 3
82 #define RSVP_MSGTYPE_RESVERR 4
83 #define RSVP_MSGTYPE_PATHTEAR 5
84 #define RSVP_MSGTYPE_RESVTEAR 6
85 #define RSVP_MSGTYPE_RESVCONF 7
86 #define RSVP_MSGTYPE_AGGREGATE 12
87 #define RSVP_MSGTYPE_ACK 13
88 #define RSVP_MSGTYPE_HELLO_OLD 14 /* ancient Hellos */
89 #define RSVP_MSGTYPE_SREFRESH 15
90 #define RSVP_MSGTYPE_HELLO 20
91
92 static const struct tok rsvp_msg_type_values[] = {
93 { RSVP_MSGTYPE_PATH, "Path" },
94 { RSVP_MSGTYPE_RESV, "Resv" },
95 { RSVP_MSGTYPE_PATHERR, "PathErr" },
96 { RSVP_MSGTYPE_RESVERR, "ResvErr" },
97 { RSVP_MSGTYPE_PATHTEAR, "PathTear" },
98 { RSVP_MSGTYPE_RESVTEAR, "ResvTear" },
99 { RSVP_MSGTYPE_RESVCONF, "ResvConf" },
100 { RSVP_MSGTYPE_AGGREGATE, "Aggregate" },
101 { RSVP_MSGTYPE_ACK, "Acknowledgement" },
102 { RSVP_MSGTYPE_HELLO_OLD, "Hello (Old)" },
103 { RSVP_MSGTYPE_SREFRESH, "Refresh" },
104 { RSVP_MSGTYPE_HELLO, "Hello" },
105 { 0, NULL}
106 };
107
108 static const struct tok rsvp_header_flag_values[] = {
109 { 0x01, "Refresh reduction capable" }, /* rfc2961 */
110 { 0, NULL}
111 };
112
113 #define RSVP_OBJ_SESSION 1 /* rfc2205 */
114 #define RSVP_OBJ_RSVP_HOP 3 /* rfc2205, rfc3473 */
115 #define RSVP_OBJ_INTEGRITY 4 /* rfc2747 */
116 #define RSVP_OBJ_TIME_VALUES 5 /* rfc2205 */
117 #define RSVP_OBJ_ERROR_SPEC 6
118 #define RSVP_OBJ_SCOPE 7
119 #define RSVP_OBJ_STYLE 8 /* rfc2205 */
120 #define RSVP_OBJ_FLOWSPEC 9 /* rfc2215 */
121 #define RSVP_OBJ_FILTERSPEC 10 /* rfc2215 */
122 #define RSVP_OBJ_SENDER_TEMPLATE 11
123 #define RSVP_OBJ_SENDER_TSPEC 12 /* rfc2215 */
124 #define RSVP_OBJ_ADSPEC 13 /* rfc2215 */
125 #define RSVP_OBJ_POLICY_DATA 14
126 #define RSVP_OBJ_CONFIRM 15 /* rfc2205 */
127 #define RSVP_OBJ_LABEL 16 /* rfc3209 */
128 #define RSVP_OBJ_LABEL_REQ 19 /* rfc3209 */
129 #define RSVP_OBJ_ERO 20 /* rfc3209 */
130 #define RSVP_OBJ_RRO 21 /* rfc3209 */
131 #define RSVP_OBJ_HELLO 22 /* rfc3209 */
132 #define RSVP_OBJ_MESSAGE_ID 23 /* rfc2961 */
133 #define RSVP_OBJ_MESSAGE_ID_ACK 24 /* rfc2961 */
134 #define RSVP_OBJ_MESSAGE_ID_LIST 25 /* rfc2961 */
135 #define RSVP_OBJ_RECOVERY_LABEL 34 /* rfc3473 */
136 #define RSVP_OBJ_UPSTREAM_LABEL 35 /* rfc3473 */
137 #define RSVP_OBJ_LABEL_SET 36 /* rfc3473 */
138 #define RSVP_OBJ_PROTECTION 37 /* rfc3473 */
139 #define RSVP_OBJ_S2L 50 /* rfc4875 */
140 #define RSVP_OBJ_DETOUR 63 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */
141 #define RSVP_OBJ_CLASSTYPE 66 /* rfc4124 */
142 #define RSVP_OBJ_CLASSTYPE_OLD 125 /* draft-ietf-tewg-diff-te-proto-07 */
143 #define RSVP_OBJ_SUGGESTED_LABEL 129 /* rfc3473 */
144 #define RSVP_OBJ_ACCEPT_LABEL_SET 130 /* rfc3473 */
145 #define RSVP_OBJ_RESTART_CAPABILITY 131 /* rfc3473 */
146 #define RSVP_OBJ_NOTIFY_REQ 195 /* rfc3473 */
147 #define RSVP_OBJ_ADMIN_STATUS 196 /* rfc3473 */
148 #define RSVP_OBJ_PROPERTIES 204 /* juniper proprietary */
149 #define RSVP_OBJ_FASTREROUTE 205 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */
150 #define RSVP_OBJ_SESSION_ATTRIBUTE 207 /* rfc3209 */
151 #define RSVP_OBJ_GENERALIZED_UNI 229 /* OIF RSVP extensions UNI 1.0 Signaling, Rel. 2 */
152 #define RSVP_OBJ_CALL_ID 230 /* rfc3474 */
153 #define RSVP_OBJ_CALL_OPS 236 /* rfc3474 */
154
155 static const struct tok rsvp_obj_values[] = {
156 { RSVP_OBJ_SESSION, "Session" },
157 { RSVP_OBJ_RSVP_HOP, "RSVP Hop" },
158 { RSVP_OBJ_INTEGRITY, "Integrity" },
159 { RSVP_OBJ_TIME_VALUES, "Time Values" },
160 { RSVP_OBJ_ERROR_SPEC, "Error Spec" },
161 { RSVP_OBJ_SCOPE, "Scope" },
162 { RSVP_OBJ_STYLE, "Style" },
163 { RSVP_OBJ_FLOWSPEC, "Flowspec" },
164 { RSVP_OBJ_FILTERSPEC, "FilterSpec" },
165 { RSVP_OBJ_SENDER_TEMPLATE, "Sender Template" },
166 { RSVP_OBJ_SENDER_TSPEC, "Sender TSpec" },
167 { RSVP_OBJ_ADSPEC, "Adspec" },
168 { RSVP_OBJ_POLICY_DATA, "Policy Data" },
169 { RSVP_OBJ_CONFIRM, "Confirm" },
170 { RSVP_OBJ_LABEL, "Label" },
171 { RSVP_OBJ_LABEL_REQ, "Label Request" },
172 { RSVP_OBJ_ERO, "ERO" },
173 { RSVP_OBJ_RRO, "RRO" },
174 { RSVP_OBJ_HELLO, "Hello" },
175 { RSVP_OBJ_MESSAGE_ID, "Message ID" },
176 { RSVP_OBJ_MESSAGE_ID_ACK, "Message ID Ack" },
177 { RSVP_OBJ_MESSAGE_ID_LIST, "Message ID List" },
178 { RSVP_OBJ_RECOVERY_LABEL, "Recovery Label" },
179 { RSVP_OBJ_UPSTREAM_LABEL, "Upstream Label" },
180 { RSVP_OBJ_LABEL_SET, "Label Set" },
181 { RSVP_OBJ_ACCEPT_LABEL_SET, "Acceptable Label Set" },
182 { RSVP_OBJ_DETOUR, "Detour" },
183 { RSVP_OBJ_CLASSTYPE, "Class Type" },
184 { RSVP_OBJ_CLASSTYPE_OLD, "Class Type (old)" },
185 { RSVP_OBJ_SUGGESTED_LABEL, "Suggested Label" },
186 { RSVP_OBJ_PROPERTIES, "Properties" },
187 { RSVP_OBJ_FASTREROUTE, "Fast Re-Route" },
188 { RSVP_OBJ_SESSION_ATTRIBUTE, "Session Attribute" },
189 { RSVP_OBJ_GENERALIZED_UNI, "Generalized UNI" },
190 { RSVP_OBJ_CALL_ID, "Call-ID" },
191 { RSVP_OBJ_CALL_OPS, "Call Capability" },
192 { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" },
193 { RSVP_OBJ_NOTIFY_REQ, "Notify Request" },
194 { RSVP_OBJ_PROTECTION, "Protection" },
195 { RSVP_OBJ_ADMIN_STATUS, "Administrative Status" },
196 { RSVP_OBJ_S2L, "Sub-LSP to LSP" },
197 { 0, NULL}
198 };
199
200 #define RSVP_CTYPE_IPV4 1
201 #define RSVP_CTYPE_IPV6 2
202 #define RSVP_CTYPE_TUNNEL_IPV4 7
203 #define RSVP_CTYPE_TUNNEL_IPV6 8
204 #define RSVP_CTYPE_UNI_IPV4 11 /* OIF RSVP extensions UNI 1.0 Signaling Rel. 2 */
205 #define RSVP_CTYPE_1 1
206 #define RSVP_CTYPE_2 2
207 #define RSVP_CTYPE_3 3
208 #define RSVP_CTYPE_4 4
209 #define RSVP_CTYPE_12 12
210 #define RSVP_CTYPE_13 13
211 #define RSVP_CTYPE_14 14
212
213 /*
214 * the ctypes are not globally unique so for
215 * translating it to strings we build a table based
216 * on objects offsetted by the ctype
217 */
218
219 static const struct tok rsvp_ctype_values[] = {
220 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV4, "IPv4" },
221 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV6, "IPv6" },
222 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
223 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
224 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV4, "IPv4" },
225 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV6, "IPv6" },
226 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV4, "IPv4" },
227 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV6, "IPv6" },
228 { 256*RSVP_OBJ_TIME_VALUES+RSVP_CTYPE_1, "1" },
229 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_1, "obsolete" },
230 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_2, "IntServ" },
231 { 256*RSVP_OBJ_SENDER_TSPEC+RSVP_CTYPE_2, "IntServ" },
232 { 256*RSVP_OBJ_ADSPEC+RSVP_CTYPE_2, "IntServ" },
233 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV4, "IPv4" },
234 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6, "IPv6" },
235 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3, "IPv6 Flow-label" },
236 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
237 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" },
238 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" },
239 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4, "IPv4" },
240 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6, "IPv6" },
241 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
242 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_UNI_IPV4, "UNI IPv4" },
243 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_13, "IPv4 P2MP LSP Tunnel" },
244 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_14, "IPv6 P2MP LSP Tunnel" },
245 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV4, "IPv4" },
246 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6, "IPv6" },
247 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
248 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" },
249 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" },
250 { 256*RSVP_OBJ_MESSAGE_ID+RSVP_CTYPE_1, "1" },
251 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_1, "Message id ack" },
252 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_2, "Message id nack" },
253 { 256*RSVP_OBJ_MESSAGE_ID_LIST+RSVP_CTYPE_1, "1" },
254 { 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1, "1" },
255 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1, "Hello Request" },
256 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2, "Hello Ack" },
257 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1, "without label range" },
258 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2, "with ATM label range" },
259 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3, "with FR label range" },
260 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4, "Generalized Label" },
261 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1, "Label" },
262 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_2, "Generalized Label" },
263 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
264 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1, "Label" },
265 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_2, "Generalized Label" },
266 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
267 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1, "Label" },
268 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_2, "Generalized Label" },
269 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
270 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_1, "Label" },
271 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_2, "Generalized Label" },
272 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
273 { 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4, "IPv4" },
274 { 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4, "IPv4" },
275 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4, "IPv4" },
276 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6, "IPv6" },
277 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
278 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
279 { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1, "IPv4" },
280 { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
281 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, /* old style*/
282 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_1, "1" }, /* new style */
283 { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
284 { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1, "1" },
285 { 256*RSVP_OBJ_ADMIN_STATUS+RSVP_CTYPE_1, "1" },
286 { 256*RSVP_OBJ_CLASSTYPE+RSVP_CTYPE_1, "1" },
287 { 256*RSVP_OBJ_CLASSTYPE_OLD+RSVP_CTYPE_1, "1" },
288 { 256*RSVP_OBJ_LABEL_SET+RSVP_CTYPE_1, "1" },
289 { 256*RSVP_OBJ_GENERALIZED_UNI+RSVP_CTYPE_1, "1" },
290 { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV4, "IPv4 sub-LSP" },
291 { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV6, "IPv6 sub-LSP" },
292 { 0, NULL}
293 };
294
295 struct rsvp_obj_integrity_t {
296 uint8_t flags;
297 uint8_t res;
298 uint8_t key_id[6];
299 uint8_t sequence[8];
300 uint8_t digest[16];
301 };
302
303 static const struct tok rsvp_obj_integrity_flag_values[] = {
304 { 0x80, "Handshake" },
305 { 0, NULL}
306 };
307
308 struct rsvp_obj_frr_t {
309 uint8_t setup_prio;
310 uint8_t hold_prio;
311 uint8_t hop_limit;
312 uint8_t flags;
313 uint8_t bandwidth[4];
314 uint8_t include_any[4];
315 uint8_t exclude_any[4];
316 uint8_t include_all[4];
317 };
318
319
320 #define RSVP_OBJ_XRO_MASK_SUBOBJ(x) ((x)&0x7f)
321 #define RSVP_OBJ_XRO_MASK_LOOSE(x) ((x)&0x80)
322
323 #define RSVP_OBJ_XRO_RES 0
324 #define RSVP_OBJ_XRO_IPV4 1
325 #define RSVP_OBJ_XRO_IPV6 2
326 #define RSVP_OBJ_XRO_LABEL 3
327 #define RSVP_OBJ_XRO_ASN 32
328 #define RSVP_OBJ_XRO_MPLS 64
329
330 static const struct tok rsvp_obj_xro_values[] = {
331 { RSVP_OBJ_XRO_RES, "Reserved" },
332 { RSVP_OBJ_XRO_IPV4, "IPv4 prefix" },
333 { RSVP_OBJ_XRO_IPV6, "IPv6 prefix" },
334 { RSVP_OBJ_XRO_LABEL, "Label" },
335 { RSVP_OBJ_XRO_ASN, "Autonomous system number" },
336 { RSVP_OBJ_XRO_MPLS, "MPLS label switched path termination" },
337 { 0, NULL}
338 };
339
340 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07.txt */
341 static const struct tok rsvp_obj_rro_flag_values[] = {
342 { 0x01, "Local protection available" },
343 { 0x02, "Local protection in use" },
344 { 0x04, "Bandwidth protection" },
345 { 0x08, "Node protection" },
346 { 0, NULL}
347 };
348
349 /* RFC3209 */
350 static const struct tok rsvp_obj_rro_label_flag_values[] = {
351 { 0x01, "Global" },
352 { 0, NULL}
353 };
354
355 static const struct tok rsvp_resstyle_values[] = {
356 { 17, "Wildcard Filter" },
357 { 10, "Fixed Filter" },
358 { 18, "Shared Explicit" },
359 { 0, NULL}
360 };
361
362 #define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2
363 #define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5
364
365 static const struct tok rsvp_intserv_service_type_values[] = {
366 { 1, "Default/Global Information" },
367 { RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" },
368 { RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" },
369 { 0, NULL}
370 };
371
372 static const struct tok rsvp_intserv_parameter_id_values[] = {
373 { 4, "IS hop cnt" },
374 { 6, "Path b/w estimate" },
375 { 8, "Minimum path latency" },
376 { 10, "Composed MTU" },
377 { 127, "Token Bucket TSpec" },
378 { 130, "Guaranteed Service RSpec" },
379 { 133, "End-to-end composed value for C" },
380 { 134, "End-to-end composed value for D" },
381 { 135, "Since-last-reshaping point composed C" },
382 { 136, "Since-last-reshaping point composed D" },
383 { 0, NULL}
384 };
385
386 static const struct tok rsvp_session_attribute_flag_values[] = {
387 { 0x01, "Local Protection" },
388 { 0x02, "Label Recording" },
389 { 0x04, "SE Style" },
390 { 0x08, "Bandwidth protection" }, /* RFC4090 */
391 { 0x10, "Node protection" }, /* RFC4090 */
392 { 0, NULL}
393 };
394
395 static const struct tok rsvp_obj_prop_tlv_values[] = {
396 { 0x01, "Cos" },
397 { 0x02, "Metric 1" },
398 { 0x04, "Metric 2" },
399 { 0x08, "CCC Status" },
400 { 0x10, "Path Type" },
401 { 0, NULL}
402 };
403
404 #define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24
405 #define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY 25
406 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 28
407 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD 125
408
409 static const struct tok rsvp_obj_error_code_values[] = {
410 { RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" },
411 { RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY, "Notify Error" },
412 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE, "Diffserv TE Error" },
413 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD, "Diffserv TE Error (Old)" },
414 { 0, NULL}
415 };
416
417 static const struct tok rsvp_obj_error_code_routing_values[] = {
418 { 1, "Bad EXPLICIT_ROUTE object" },
419 { 2, "Bad strict node" },
420 { 3, "Bad loose node" },
421 { 4, "Bad initial subobject" },
422 { 5, "No route available toward destination" },
423 { 6, "Unacceptable label value" },
424 { 7, "RRO indicated routing loops" },
425 { 8, "non-RSVP-capable router in the path" },
426 { 9, "MPLS label allocation failure" },
427 { 10, "Unsupported L3PID" },
428 { 0, NULL}
429 };
430
431 static const struct tok rsvp_obj_error_code_diffserv_te_values[] = {
432 { 1, "Unexpected CT object" },
433 { 2, "Unsupported CT" },
434 { 3, "Invalid CT value" },
435 { 4, "CT/setup priority do not form a configured TE-Class" },
436 { 5, "CT/holding priority do not form a configured TE-Class" },
437 { 6, "CT/setup priority and CT/holding priority do not form a configured TE-Class" },
438 { 7, "Inconsistency between signaled PSC and signaled CT" },
439 { 8, "Inconsistency between signaled PHBs and signaled CT" },
440 { 0, NULL}
441 };
442
443 /* rfc3473 / rfc 3471 */
444 static const struct tok rsvp_obj_admin_status_flag_values[] = {
445 { 0x80000000, "Reflect" },
446 { 0x00000004, "Testing" },
447 { 0x00000002, "Admin-down" },
448 { 0x00000001, "Delete-in-progress" },
449 { 0, NULL}
450 };
451
452 /* label set actions - rfc3471 */
453 #define LABEL_SET_INCLUSIVE_LIST 0
454 #define LABEL_SET_EXCLUSIVE_LIST 1
455 #define LABEL_SET_INCLUSIVE_RANGE 2
456 #define LABEL_SET_EXCLUSIVE_RANGE 3
457
458 static const struct tok rsvp_obj_label_set_action_values[] = {
459 { LABEL_SET_INCLUSIVE_LIST, "Inclusive list" },
460 { LABEL_SET_EXCLUSIVE_LIST, "Exclusive list" },
461 { LABEL_SET_INCLUSIVE_RANGE, "Inclusive range" },
462 { LABEL_SET_EXCLUSIVE_RANGE, "Exclusive range" },
463 { 0, NULL}
464 };
465
466 /* OIF RSVP extensions UNI 1.0 Signaling, release 2 */
467 #define RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS 1
468 #define RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS 2
469 #define RSVP_GEN_UNI_SUBOBJ_DIVERSITY 3
470 #define RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL 4
471 #define RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL 5
472
473 static const struct tok rsvp_obj_generalized_uni_values[] = {
474 { RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS, "Source TNA address" },
475 { RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS, "Destination TNA address" },
476 { RSVP_GEN_UNI_SUBOBJ_DIVERSITY, "Diversity" },
477 { RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL, "Egress label" },
478 { RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL, "Service level" },
479 { 0, NULL}
480 };
481
482 /*
483 * this is a dissector for all the intserv defined
484 * specs as defined per rfc2215
485 * it is called from various rsvp objects;
486 * returns the amount of bytes being processed
487 */
488 static int
489 rsvp_intserv_print(netdissect_options *ndo,
490 const u_char *tptr, u_short obj_tlen)
491 {
492 int parameter_id,parameter_length;
493 union {
494 float f;
495 uint32_t i;
496 } bw;
497
498 if (obj_tlen < 4)
499 return 0;
500 parameter_id = *(tptr);
501 parameter_length = EXTRACT_16BITS(tptr+2)<<2; /* convert wordcount to bytecount */
502
503 ND_PRINT((ndo, "\n\t Parameter ID: %s (%u), length: %u, Flags: [0x%02x]",
504 tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id),
505 parameter_id,
506 parameter_length,
507 *(tptr + 1)));
508
509 if (obj_tlen < parameter_length+4)
510 return 0;
511 switch(parameter_id) { /* parameter_id */
512
513 case 4:
514 /*
515 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
516 * | 4 (e) | (f) | 1 (g) |
517 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
518 * | IS hop cnt (32-bit unsigned integer) |
519 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
520 */
521 if (parameter_length == 4)
522 ND_PRINT((ndo, "\n\t\tIS hop count: %u", EXTRACT_32BITS(tptr + 4)));
523 break;
524
525 case 6:
526 /*
527 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
528 * | 6 (h) | (i) | 1 (j) |
529 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
530 * | Path b/w estimate (32-bit IEEE floating point number) |
531 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
532 */
533 if (parameter_length == 4) {
534 bw.i = EXTRACT_32BITS(tptr+4);
535 ND_PRINT((ndo, "\n\t\tPath b/w estimate: %.10g Mbps", bw.f / 125000));
536 }
537 break;
538
539 case 8:
540 /*
541 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
542 * | 8 (k) | (l) | 1 (m) |
543 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
544 * | Minimum path latency (32-bit integer) |
545 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
546 */
547 if (parameter_length == 4) {
548 ND_PRINT((ndo, "\n\t\tMinimum path latency: "));
549 if (EXTRACT_32BITS(tptr+4) == 0xffffffff)
550 ND_PRINT((ndo, "don't care"));
551 else
552 ND_PRINT((ndo, "%u", EXTRACT_32BITS(tptr + 4)));
553 }
554 break;
555
556 case 10:
557
558 /*
559 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
560 * | 10 (n) | (o) | 1 (p) |
561 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
562 * | Composed MTU (32-bit unsigned integer) |
563 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
564 */
565 if (parameter_length == 4)
566 ND_PRINT((ndo, "\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr + 4)));
567 break;
568 case 127:
569 /*
570 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
571 * | 127 (e) | 0 (f) | 5 (g) |
572 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
573 * | Token Bucket Rate [r] (32-bit IEEE floating point number) |
574 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
575 * | Token Bucket Size [b] (32-bit IEEE floating point number) |
576 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
577 * | Peak Data Rate [p] (32-bit IEEE floating point number) |
578 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
579 * | Minimum Policed Unit [m] (32-bit integer) |
580 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
581 * | Maximum Packet Size [M] (32-bit integer) |
582 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
583 */
584
585 if (parameter_length == 20) {
586 bw.i = EXTRACT_32BITS(tptr+4);
587 ND_PRINT((ndo, "\n\t\tToken Bucket Rate: %.10g Mbps", bw.f / 125000));
588 bw.i = EXTRACT_32BITS(tptr+8);
589 ND_PRINT((ndo, "\n\t\tToken Bucket Size: %.10g bytes", bw.f));
590 bw.i = EXTRACT_32BITS(tptr+12);
591 ND_PRINT((ndo, "\n\t\tPeak Data Rate: %.10g Mbps", bw.f / 125000));
592 ND_PRINT((ndo, "\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr + 16)));
593 ND_PRINT((ndo, "\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr + 20)));
594 }
595 break;
596
597 case 130:
598 /*
599 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
600 * | 130 (h) | 0 (i) | 2 (j) |
601 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
602 * | Rate [R] (32-bit IEEE floating point number) |
603 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
604 * | Slack Term [S] (32-bit integer) |
605 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
606 */
607
608 if (parameter_length == 8) {
609 bw.i = EXTRACT_32BITS(tptr+4);
610 ND_PRINT((ndo, "\n\t\tRate: %.10g Mbps", bw.f / 125000));
611 ND_PRINT((ndo, "\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr + 8)));
612 }
613 break;
614
615 case 133:
616 case 134:
617 case 135:
618 case 136:
619 if (parameter_length == 4)
620 ND_PRINT((ndo, "\n\t\tValue: %u", EXTRACT_32BITS(tptr + 4)));
621 break;
622
623 default:
624 if (ndo->ndo_vflag <= 1)
625 print_unknown_data(ndo, tptr + 4, "\n\t\t", parameter_length);
626 }
627 return (parameter_length+4); /* header length 4 bytes */
628 }
629
630 static int
631 rsvp_obj_print(netdissect_options *ndo,
632 const u_char *pptr
633 #ifndef HAVE_LIBCRYPTO
634 _U_
635 #endif
636 , u_int plen
637 #ifndef HAVE_LIBCRYPTO
638 _U_
639 #endif
640 , const u_char *tptr,
641 const char *ident, u_int tlen)
642 {
643 const struct rsvp_object_header *rsvp_obj_header;
644 const u_char *obj_tptr;
645 union {
646 const struct rsvp_obj_integrity_t *rsvp_obj_integrity;
647 const struct rsvp_obj_frr_t *rsvp_obj_frr;
648 } obj_ptr;
649
650 u_short rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen;
651 int hexdump,processed,padbytes,error_code,error_value,i,sigcheck;
652 union {
653 float f;
654 uint32_t i;
655 } bw;
656 uint8_t namelen;
657
658 u_int action, subchannel;
659
660 while(tlen>=sizeof(struct rsvp_object_header)) {
661 /* did we capture enough for fully decoding the object header ? */
662 ND_TCHECK2(*tptr, sizeof(struct rsvp_object_header));
663
664 rsvp_obj_header = (const struct rsvp_object_header *)tptr;
665 rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length);
666 rsvp_obj_ctype=rsvp_obj_header->ctype;
667
668 if(rsvp_obj_len % 4) {
669 ND_PRINT((ndo, "%sERROR: object header size %u not a multiple of 4", ident, rsvp_obj_len));
670 return -1;
671 }
672 if(rsvp_obj_len < sizeof(struct rsvp_object_header)) {
673 ND_PRINT((ndo, "%sERROR: object header too short %u < %lu", ident, rsvp_obj_len,
674 (unsigned long)sizeof(const struct rsvp_object_header)));
675 return -1;
676 }
677
678 ND_PRINT((ndo, "%s%s Object (%u) Flags: [%s",
679 ident,
680 tok2str(rsvp_obj_values,
681 "Unknown",
682 rsvp_obj_header->class_num),
683 rsvp_obj_header->class_num,
684 ((rsvp_obj_header->class_num) & 0x80) ? "ignore" : "reject"));
685
686 if (rsvp_obj_header->class_num > 128)
687 ND_PRINT((ndo, " %s",
688 ((rsvp_obj_header->class_num) & 0x40) ? "and forward" : "silently"));
689
690 ND_PRINT((ndo, " if unknown], Class-Type: %s (%u), length: %u",
691 tok2str(rsvp_ctype_values,
692 "Unknown",
693 ((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype),
694 rsvp_obj_ctype,
695 rsvp_obj_len));
696
697 if(tlen < rsvp_obj_len) {
698 ND_PRINT((ndo, "%sERROR: object goes past end of objects TLV", ident));
699 return -1;
700 }
701
702 obj_tptr=tptr+sizeof(struct rsvp_object_header);
703 obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
704
705 /* did we capture enough for fully decoding the object ? */
706 if (!ND_TTEST2(*tptr, rsvp_obj_len))
707 return -1;
708 hexdump=FALSE;
709
710 switch(rsvp_obj_header->class_num) {
711 case RSVP_OBJ_SESSION:
712 switch(rsvp_obj_ctype) {
713 case RSVP_CTYPE_IPV4:
714 if (obj_tlen < 8)
715 return -1;
716 ND_PRINT((ndo, "%s IPv4 DestAddress: %s, Protocol ID: 0x%02x",
717 ident,
718 ipaddr_string(ndo, obj_tptr),
719 *(obj_tptr + sizeof(struct in_addr))));
720 ND_PRINT((ndo, "%s Flags: [0x%02x], DestPort %u",
721 ident,
722 *(obj_tptr+5),
723 EXTRACT_16BITS(obj_tptr + 6)));
724 obj_tlen-=8;
725 obj_tptr+=8;
726 break;
727 case RSVP_CTYPE_IPV6:
728 if (obj_tlen < 20)
729 return -1;
730 ND_PRINT((ndo, "%s IPv6 DestAddress: %s, Protocol ID: 0x%02x",
731 ident,
732 ip6addr_string(ndo, obj_tptr),
733 *(obj_tptr + sizeof(struct in6_addr))));
734 ND_PRINT((ndo, "%s Flags: [0x%02x], DestPort %u",
735 ident,
736 *(obj_tptr+sizeof(struct in6_addr)+1),
737 EXTRACT_16BITS(obj_tptr + sizeof(struct in6_addr) + 2)));
738 obj_tlen-=20;
739 obj_tptr+=20;
740 break;
741
742 case RSVP_CTYPE_TUNNEL_IPV6:
743 if (obj_tlen < 36)
744 return -1;
745 ND_PRINT((ndo, "%s IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
746 ident,
747 ip6addr_string(ndo, obj_tptr),
748 EXTRACT_16BITS(obj_tptr+18),
749 ip6addr_string(ndo, obj_tptr + 20)));
750 obj_tlen-=36;
751 obj_tptr+=36;
752 break;
753
754 case RSVP_CTYPE_14: /* IPv6 p2mp LSP Tunnel */
755 if (obj_tlen < 26)
756 return -1;
757 ND_PRINT((ndo, "%s IPv6 P2MP LSP ID: 0x%08x, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
758 ident,
759 EXTRACT_32BITS(obj_tptr),
760 EXTRACT_16BITS(obj_tptr+6),
761 ip6addr_string(ndo, obj_tptr + 8)));
762 obj_tlen-=26;
763 obj_tptr+=26;
764 break;
765 case RSVP_CTYPE_13: /* IPv4 p2mp LSP Tunnel */
766 if (obj_tlen < 12)
767 return -1;
768 ND_PRINT((ndo, "%s IPv4 P2MP LSP ID: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
769 ident,
770 ipaddr_string(ndo, obj_tptr),
771 EXTRACT_16BITS(obj_tptr+6),
772 ipaddr_string(ndo, obj_tptr + 8)));
773 obj_tlen-=12;
774 obj_tptr+=12;
775 break;
776 case RSVP_CTYPE_TUNNEL_IPV4:
777 case RSVP_CTYPE_UNI_IPV4:
778 if (obj_tlen < 12)
779 return -1;
780 ND_PRINT((ndo, "%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
781 ident,
782 ipaddr_string(ndo, obj_tptr),
783 EXTRACT_16BITS(obj_tptr+6),
784 ipaddr_string(ndo, obj_tptr + 8)));
785 obj_tlen-=12;
786 obj_tptr+=12;
787 break;
788 default:
789 hexdump=TRUE;
790 }
791 break;
792
793 case RSVP_OBJ_CONFIRM:
794 switch(rsvp_obj_ctype) {
795 case RSVP_CTYPE_IPV4:
796 if (obj_tlen < sizeof(struct in_addr))
797 return -1;
798 ND_PRINT((ndo, "%s IPv4 Receiver Address: %s",
799 ident,
800 ipaddr_string(ndo, obj_tptr)));
801 obj_tlen-=sizeof(struct in_addr);
802 obj_tptr+=sizeof(struct in_addr);
803 break;
804 case RSVP_CTYPE_IPV6:
805 if (obj_tlen < sizeof(struct in6_addr))
806 return -1;
807 ND_PRINT((ndo, "%s IPv6 Receiver Address: %s",
808 ident,
809 ip6addr_string(ndo, obj_tptr)));
810 obj_tlen-=sizeof(struct in6_addr);
811 obj_tptr+=sizeof(struct in6_addr);
812 break;
813 default:
814 hexdump=TRUE;
815 }
816 break;
817
818 case RSVP_OBJ_NOTIFY_REQ:
819 switch(rsvp_obj_ctype) {
820 case RSVP_CTYPE_IPV4:
821 if (obj_tlen < sizeof(struct in_addr))
822 return -1;
823 ND_PRINT((ndo, "%s IPv4 Notify Node Address: %s",
824 ident,
825 ipaddr_string(ndo, obj_tptr)));
826 obj_tlen-=sizeof(struct in_addr);
827 obj_tptr+=sizeof(struct in_addr);
828 break;
829 case RSVP_CTYPE_IPV6:
830 if (obj_tlen < sizeof(struct in6_addr))
831 return-1;
832 ND_PRINT((ndo, "%s IPv6 Notify Node Address: %s",
833 ident,
834 ip6addr_string(ndo, obj_tptr)));
835 obj_tlen-=sizeof(struct in6_addr);
836 obj_tptr+=sizeof(struct in6_addr);
837 break;
838 default:
839 hexdump=TRUE;
840 }
841 break;
842
843 case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
844 case RSVP_OBJ_UPSTREAM_LABEL: /* fall through */
845 case RSVP_OBJ_RECOVERY_LABEL: /* fall through */
846 case RSVP_OBJ_LABEL:
847 switch(rsvp_obj_ctype) {
848 case RSVP_CTYPE_1:
849 while(obj_tlen >= 4 ) {
850 ND_PRINT((ndo, "%s Label: %u", ident, EXTRACT_32BITS(obj_tptr)));
851 obj_tlen-=4;
852 obj_tptr+=4;
853 }
854 break;
855 case RSVP_CTYPE_2:
856 if (obj_tlen < 4)
857 return-1;
858 ND_PRINT((ndo, "%s Generalized Label: %u",
859 ident,
860 EXTRACT_32BITS(obj_tptr)));
861 obj_tlen-=4;
862 obj_tptr+=4;
863 break;
864 case RSVP_CTYPE_3:
865 if (obj_tlen < 12)
866 return-1;
867 ND_PRINT((ndo, "%s Waveband ID: %u%s Start Label: %u, Stop Label: %u",
868 ident,
869 EXTRACT_32BITS(obj_tptr),
870 ident,
871 EXTRACT_32BITS(obj_tptr+4),
872 EXTRACT_32BITS(obj_tptr + 8)));
873 obj_tlen-=12;
874 obj_tptr+=12;
875 break;
876 default:
877 hexdump=TRUE;
878 }
879 break;
880
881 case RSVP_OBJ_STYLE:
882 switch(rsvp_obj_ctype) {
883 case RSVP_CTYPE_1:
884 if (obj_tlen < 4)
885 return-1;
886 ND_PRINT((ndo, "%s Reservation Style: %s, Flags: [0x%02x]",
887 ident,
888 tok2str(rsvp_resstyle_values,
889 "Unknown",
890 EXTRACT_24BITS(obj_tptr+1)),
891 *(obj_tptr)));
892 obj_tlen-=4;
893 obj_tptr+=4;
894 break;
895 default:
896 hexdump=TRUE;
897 }
898 break;
899
900 case RSVP_OBJ_SENDER_TEMPLATE:
901 switch(rsvp_obj_ctype) {
902 case RSVP_CTYPE_IPV4:
903 if (obj_tlen < 8)
904 return-1;
905 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
906 ident,
907 ipaddr_string(ndo, obj_tptr),
908 EXTRACT_16BITS(obj_tptr + 6)));
909 obj_tlen-=8;
910 obj_tptr+=8;
911 break;
912 case RSVP_CTYPE_IPV6:
913 if (obj_tlen < 20)
914 return-1;
915 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
916 ident,
917 ip6addr_string(ndo, obj_tptr),
918 EXTRACT_16BITS(obj_tptr + 18)));
919 obj_tlen-=20;
920 obj_tptr+=20;
921 break;
922 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
923 if (obj_tlen < 40)
924 return-1;
925 ND_PRINT((ndo, "%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
926 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
927 ident,
928 ip6addr_string(ndo, obj_tptr),
929 EXTRACT_16BITS(obj_tptr+18),
930 ident,
931 ip6addr_string(ndo, obj_tptr+20),
932 EXTRACT_16BITS(obj_tptr + 38)));
933 obj_tlen-=40;
934 obj_tptr+=40;
935 break;
936 case RSVP_CTYPE_TUNNEL_IPV4:
937 if (obj_tlen < 8)
938 return-1;
939 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
940 ident,
941 ipaddr_string(ndo, obj_tptr),
942 EXTRACT_16BITS(obj_tptr + 6)));
943 obj_tlen-=8;
944 obj_tptr+=8;
945 break;
946 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
947 if (obj_tlen < 16)
948 return-1;
949 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
950 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
951 ident,
952 ipaddr_string(ndo, obj_tptr),
953 EXTRACT_16BITS(obj_tptr+6),
954 ident,
955 ipaddr_string(ndo, obj_tptr+8),
956 EXTRACT_16BITS(obj_tptr + 12)));
957 obj_tlen-=16;
958 obj_tptr+=16;
959 break;
960 default:
961 hexdump=TRUE;
962 }
963 break;
964
965 case RSVP_OBJ_LABEL_REQ:
966 switch(rsvp_obj_ctype) {
967 case RSVP_CTYPE_1:
968 while(obj_tlen >= 4 ) {
969 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
970 ident,
971 tok2str(ethertype_values,
972 "Unknown Protocol (0x%04x)",
973 EXTRACT_16BITS(obj_tptr + 2))));
974 obj_tlen-=4;
975 obj_tptr+=4;
976 }
977 break;
978 case RSVP_CTYPE_2:
979 if (obj_tlen < 12)
980 return-1;
981 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
982 ident,
983 tok2str(ethertype_values,
984 "Unknown Protocol (0x%04x)",
985 EXTRACT_16BITS(obj_tptr + 2))));
986 ND_PRINT((ndo, ",%s merge capability",((*(obj_tptr + 4)) & 0x80) ? "no" : "" ));
987 ND_PRINT((ndo, "%s Minimum VPI/VCI: %u/%u",
988 ident,
989 (EXTRACT_16BITS(obj_tptr+4))&0xfff,
990 (EXTRACT_16BITS(obj_tptr + 6)) & 0xfff));
991 ND_PRINT((ndo, "%s Maximum VPI/VCI: %u/%u",
992 ident,
993 (EXTRACT_16BITS(obj_tptr+8))&0xfff,
994 (EXTRACT_16BITS(obj_tptr + 10)) & 0xfff));
995 obj_tlen-=12;
996 obj_tptr+=12;
997 break;
998 case RSVP_CTYPE_3:
999 if (obj_tlen < 12)
1000 return-1;
1001 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
1002 ident,
1003 tok2str(ethertype_values,
1004 "Unknown Protocol (0x%04x)",
1005 EXTRACT_16BITS(obj_tptr + 2))));
1006 ND_PRINT((ndo, "%s Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI",
1007 ident,
1008 (EXTRACT_32BITS(obj_tptr+4))&0x7fffff,
1009 (EXTRACT_32BITS(obj_tptr+8))&0x7fffff,
1010 (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "",
1011 (((EXTRACT_16BITS(obj_tptr + 4) >> 7) & 3) == 2 ) ? "23" : ""));
1012 obj_tlen-=12;
1013 obj_tptr+=12;
1014 break;
1015 case RSVP_CTYPE_4:
1016 if (obj_tlen < 4)
1017 return-1;
1018 ND_PRINT((ndo, "%s LSP Encoding Type: %s (%u)",
1019 ident,
1020 tok2str(gmpls_encoding_values,
1021 "Unknown",
1022 *obj_tptr),
1023 *obj_tptr));
1024 ND_PRINT((ndo, "%s Switching Type: %s (%u), Payload ID: %s (0x%04x)",
1025 ident,
1026 tok2str(gmpls_switch_cap_values,
1027 "Unknown",
1028 *(obj_tptr+1)),
1029 *(obj_tptr+1),
1030 tok2str(gmpls_payload_values,
1031 "Unknown",
1032 EXTRACT_16BITS(obj_tptr+2)),
1033 EXTRACT_16BITS(obj_tptr + 2)));
1034 obj_tlen-=4;
1035 obj_tptr+=4;
1036 break;
1037 default:
1038 hexdump=TRUE;
1039 }
1040 break;
1041
1042 case RSVP_OBJ_RRO:
1043 case RSVP_OBJ_ERO:
1044 switch(rsvp_obj_ctype) {
1045 case RSVP_CTYPE_IPV4:
1046 while(obj_tlen >= 4 ) {
1047 ND_PRINT((ndo, "%s Subobject Type: %s, length %u",
1048 ident,
1049 tok2str(rsvp_obj_xro_values,
1050 "Unknown %u",
1051 RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)),
1052 *(obj_tptr + 1)));
1053
1054 if (*(obj_tptr+1) == 0) { /* prevent infinite loops */
1055 ND_PRINT((ndo, "%s ERROR: zero length ERO subtype", ident));
1056 break;
1057 }
1058
1059 switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) {
1060 case RSVP_OBJ_XRO_IPV4:
1061 ND_PRINT((ndo, ", %s, %s/%u, Flags: [%s]",
1062 RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
1063 ipaddr_string(ndo, obj_tptr+2),
1064 *(obj_tptr+6),
1065 bittok2str(rsvp_obj_rro_flag_values,
1066 "none",
1067 *(obj_tptr + 7)))); /* rfc3209 says that this field is rsvd. */
1068 break;
1069 case RSVP_OBJ_XRO_LABEL:
1070 ND_PRINT((ndo, ", Flags: [%s] (%#x), Class-Type: %s (%u), %u",
1071 bittok2str(rsvp_obj_rro_label_flag_values,
1072 "none",
1073 *(obj_tptr+2)),
1074 *(obj_tptr+2),
1075 tok2str(rsvp_ctype_values,
1076 "Unknown",
1077 *(obj_tptr+3) + 256*RSVP_OBJ_RRO),
1078 *(obj_tptr+3),
1079 EXTRACT_32BITS(obj_tptr + 4)));
1080 }
1081 obj_tlen-=*(obj_tptr+1);
1082 obj_tptr+=*(obj_tptr+1);
1083 }
1084 break;
1085 default:
1086 hexdump=TRUE;
1087 }
1088 break;
1089
1090 case RSVP_OBJ_HELLO:
1091 switch(rsvp_obj_ctype) {
1092 case RSVP_CTYPE_1:
1093 case RSVP_CTYPE_2:
1094 if (obj_tlen < 8)
1095 return-1;
1096 ND_PRINT((ndo, "%s Source Instance: 0x%08x, Destination Instance: 0x%08x",
1097 ident,
1098 EXTRACT_32BITS(obj_tptr),
1099 EXTRACT_32BITS(obj_tptr + 4)));
1100 obj_tlen-=8;
1101 obj_tptr+=8;
1102 break;
1103 default:
1104 hexdump=TRUE;
1105 }
1106 break;
1107
1108 case RSVP_OBJ_RESTART_CAPABILITY:
1109 switch(rsvp_obj_ctype) {
1110 case RSVP_CTYPE_1:
1111 if (obj_tlen < 8)
1112 return-1;
1113 ND_PRINT((ndo, "%s Restart Time: %ums, Recovery Time: %ums",
1114 ident,
1115 EXTRACT_32BITS(obj_tptr),
1116 EXTRACT_32BITS(obj_tptr + 4)));
1117 obj_tlen-=8;
1118 obj_tptr+=8;
1119 break;
1120 default:
1121 hexdump=TRUE;
1122 }
1123 break;
1124
1125 case RSVP_OBJ_SESSION_ATTRIBUTE:
1126 switch(rsvp_obj_ctype) {
1127 case RSVP_CTYPE_TUNNEL_IPV4:
1128 if (obj_tlen < 4)
1129 return-1;
1130 namelen = *(obj_tptr+3);
1131 if (obj_tlen < 4+namelen)
1132 return-1;
1133 ND_PRINT((ndo, "%s Session Name: ", ident));
1134 for (i = 0; i < namelen; i++)
1135 safeputchar(ndo, *(obj_tptr + 4 + i));
1136 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Flags: [%s] (%#x)",
1137 ident,
1138 (int)*obj_tptr,
1139 (int)*(obj_tptr+1),
1140 bittok2str(rsvp_session_attribute_flag_values,
1141 "none",
1142 *(obj_tptr+2)),
1143 *(obj_tptr + 2)));
1144 obj_tlen-=4+*(obj_tptr+3);
1145 obj_tptr+=4+*(obj_tptr+3);
1146 break;
1147 default:
1148 hexdump=TRUE;
1149 }
1150 break;
1151
1152 case RSVP_OBJ_GENERALIZED_UNI:
1153 switch(rsvp_obj_ctype) {
1154 int subobj_type,af,subobj_len,total_subobj_len;
1155
1156 case RSVP_CTYPE_1:
1157
1158 if (obj_tlen < 4)
1159 return-1;
1160
1161 /* read variable length subobjects */
1162 total_subobj_len = obj_tlen;
1163 while(total_subobj_len > 0) {
1164 subobj_len = EXTRACT_16BITS(obj_tptr);
1165 subobj_type = (EXTRACT_16BITS(obj_tptr+2))>>8;
1166 af = (EXTRACT_16BITS(obj_tptr+2))&0x00FF;
1167
1168 ND_PRINT((ndo, "%s Subobject Type: %s (%u), AF: %s (%u), length: %u",
1169 ident,
1170 tok2str(rsvp_obj_generalized_uni_values, "Unknown", subobj_type),
1171 subobj_type,
1172 tok2str(af_values, "Unknown", af), af,
1173 subobj_len));
1174
1175 if(subobj_len == 0)
1176 goto invalid;
1177
1178 switch(subobj_type) {
1179 case RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS:
1180 case RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS:
1181
1182 switch(af) {
1183 case AFNUM_INET:
1184 if (subobj_len < 8)
1185 return -1;
1186 ND_PRINT((ndo, "%s UNI IPv4 TNA address: %s",
1187 ident, ipaddr_string(ndo, obj_tptr + 4)));
1188 break;
1189 case AFNUM_INET6:
1190 if (subobj_len < 20)
1191 return -1;
1192 ND_PRINT((ndo, "%s UNI IPv6 TNA address: %s",
1193 ident, ip6addr_string(ndo, obj_tptr + 4)));
1194 break;
1195 case AFNUM_NSAP:
1196 if (subobj_len) {
1197 /* unless we have a TLV parser lets just hexdump */
1198 hexdump=TRUE;
1199 }
1200 break;
1201 }
1202 break;
1203
1204 case RSVP_GEN_UNI_SUBOBJ_DIVERSITY:
1205 if (subobj_len) {
1206 /* unless we have a TLV parser lets just hexdump */
1207 hexdump=TRUE;
1208 }
1209 break;
1210
1211 case RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL:
1212 if (subobj_len < 16) {
1213 return -1;
1214 }
1215
1216 ND_PRINT((ndo, "%s U-bit: %x, Label type: %u, Logical port id: %u, Label: %u",
1217 ident,
1218 ((EXTRACT_32BITS(obj_tptr+4))>>31),
1219 ((EXTRACT_32BITS(obj_tptr+4))&0xFF),
1220 EXTRACT_32BITS(obj_tptr+8),
1221 EXTRACT_32BITS(obj_tptr + 12)));
1222 break;
1223
1224 case RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL:
1225 if (subobj_len < 8) {
1226 return -1;
1227 }
1228
1229 ND_PRINT((ndo, "%s Service level: %u",
1230 ident, (EXTRACT_32BITS(obj_tptr + 4)) >> 24));
1231 break;
1232
1233 default:
1234 hexdump=TRUE;
1235 break;
1236 }
1237 total_subobj_len-=subobj_len;
1238 obj_tptr+=subobj_len;
1239 obj_tlen+=subobj_len;
1240 }
1241
1242 if (total_subobj_len) {
1243 /* unless we have a TLV parser lets just hexdump */
1244 hexdump=TRUE;
1245 }
1246 break;
1247
1248 default:
1249 hexdump=TRUE;
1250 }
1251 break;
1252
1253 case RSVP_OBJ_RSVP_HOP:
1254 switch(rsvp_obj_ctype) {
1255 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1256 case RSVP_CTYPE_IPV4:
1257 if (obj_tlen < 8)
1258 return-1;
1259 ND_PRINT((ndo, "%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1260 ident,
1261 ipaddr_string(ndo, obj_tptr),
1262 EXTRACT_32BITS(obj_tptr + 4)));
1263 obj_tlen-=8;
1264 obj_tptr+=8;
1265 if (obj_tlen)
1266 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1267 break;
1268 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1269 case RSVP_CTYPE_IPV6:
1270 if (obj_tlen < 20)
1271 return-1;
1272 ND_PRINT((ndo, "%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1273 ident,
1274 ip6addr_string(ndo, obj_tptr),
1275 EXTRACT_32BITS(obj_tptr + 16)));
1276 obj_tlen-=20;
1277 obj_tptr+=20;
1278 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1279 break;
1280 default:
1281 hexdump=TRUE;
1282 }
1283 break;
1284
1285 case RSVP_OBJ_TIME_VALUES:
1286 switch(rsvp_obj_ctype) {
1287 case RSVP_CTYPE_1:
1288 if (obj_tlen < 4)
1289 return-1;
1290 ND_PRINT((ndo, "%s Refresh Period: %ums",
1291 ident,
1292 EXTRACT_32BITS(obj_tptr)));
1293 obj_tlen-=4;
1294 obj_tptr+=4;
1295 break;
1296 default:
1297 hexdump=TRUE;
1298 }
1299 break;
1300
1301 /* those three objects do share the same semantics */
1302 case RSVP_OBJ_SENDER_TSPEC:
1303 case RSVP_OBJ_ADSPEC:
1304 case RSVP_OBJ_FLOWSPEC:
1305 switch(rsvp_obj_ctype) {
1306 case RSVP_CTYPE_2:
1307 if (obj_tlen < 4)
1308 return-1;
1309 ND_PRINT((ndo, "%s Msg-Version: %u, length: %u",
1310 ident,
1311 (*obj_tptr & 0xf0) >> 4,
1312 EXTRACT_16BITS(obj_tptr + 2) << 2));
1313 obj_tptr+=4; /* get to the start of the service header */
1314 obj_tlen-=4;
1315
1316 while (obj_tlen >= 4) {
1317 intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
1318 ND_PRINT((ndo, "%s Service Type: %s (%u), break bit %s set, Service length: %u",
1319 ident,
1320 tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)),
1321 *(obj_tptr),
1322 (*(obj_tptr+1)&0x80) ? "" : "not",
1323 intserv_serv_tlen));
1324
1325 obj_tptr+=4; /* get to the start of the parameter list */
1326 obj_tlen-=4;
1327
1328 while (intserv_serv_tlen>=4) {
1329 processed = rsvp_intserv_print(ndo, obj_tptr, obj_tlen);
1330 if (processed == 0)
1331 break;
1332 obj_tlen-=processed;
1333 intserv_serv_tlen-=processed;
1334 obj_tptr+=processed;
1335 }
1336 }
1337 break;
1338 default:
1339 hexdump=TRUE;
1340 }
1341 break;
1342
1343 case RSVP_OBJ_FILTERSPEC:
1344 switch(rsvp_obj_ctype) {
1345 case RSVP_CTYPE_IPV4:
1346 if (obj_tlen < 8)
1347 return-1;
1348 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
1349 ident,
1350 ipaddr_string(ndo, obj_tptr),
1351 EXTRACT_16BITS(obj_tptr + 6)));
1352 obj_tlen-=8;
1353 obj_tptr+=8;
1354 break;
1355 case RSVP_CTYPE_IPV6:
1356 if (obj_tlen < 20)
1357 return-1;
1358 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
1359 ident,
1360 ip6addr_string(ndo, obj_tptr),
1361 EXTRACT_16BITS(obj_tptr + 18)));
1362 obj_tlen-=20;
1363 obj_tptr+=20;
1364 break;
1365 case RSVP_CTYPE_3:
1366 if (obj_tlen < 20)
1367 return-1;
1368 ND_PRINT((ndo, "%s Source Address: %s, Flow Label: %u",
1369 ident,
1370 ip6addr_string(ndo, obj_tptr),
1371 EXTRACT_24BITS(obj_tptr + 17)));
1372 obj_tlen-=20;
1373 obj_tptr+=20;
1374 break;
1375 case RSVP_CTYPE_TUNNEL_IPV6:
1376 if (obj_tlen < 20)
1377 return-1;
1378 ND_PRINT((ndo, "%s Source Address: %s, LSP-ID: 0x%04x",
1379 ident,
1380 ipaddr_string(ndo, obj_tptr),
1381 EXTRACT_16BITS(obj_tptr + 18)));
1382 obj_tlen-=20;
1383 obj_tptr+=20;
1384 break;
1385 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
1386 if (obj_tlen < 40)
1387 return-1;
1388 ND_PRINT((ndo, "%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
1389 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
1390 ident,
1391 ip6addr_string(ndo, obj_tptr),
1392 EXTRACT_16BITS(obj_tptr+18),
1393 ident,
1394 ip6addr_string(ndo, obj_tptr+20),
1395 EXTRACT_16BITS(obj_tptr + 38)));
1396 obj_tlen-=40;
1397 obj_tptr+=40;
1398 break;
1399 case RSVP_CTYPE_TUNNEL_IPV4:
1400 if (obj_tlen < 8)
1401 return-1;
1402 ND_PRINT((ndo, "%s Source Address: %s, LSP-ID: 0x%04x",
1403 ident,
1404 ipaddr_string(ndo, obj_tptr),
1405 EXTRACT_16BITS(obj_tptr + 6)));
1406 obj_tlen-=8;
1407 obj_tptr+=8;
1408 break;
1409 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
1410 if (obj_tlen < 16)
1411 return-1;
1412 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
1413 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
1414 ident,
1415 ipaddr_string(ndo, obj_tptr),
1416 EXTRACT_16BITS(obj_tptr+6),
1417 ident,
1418 ipaddr_string(ndo, obj_tptr+8),
1419 EXTRACT_16BITS(obj_tptr + 12)));
1420 obj_tlen-=16;
1421 obj_tptr+=16;
1422 break;
1423 default:
1424 hexdump=TRUE;
1425 }
1426 break;
1427
1428 case RSVP_OBJ_FASTREROUTE:
1429 /* the differences between c-type 1 and 7 are minor */
1430 obj_ptr.rsvp_obj_frr = (const struct rsvp_obj_frr_t *)obj_tptr;
1431 bw.i = EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->bandwidth);
1432
1433 switch(rsvp_obj_ctype) {
1434 case RSVP_CTYPE_1: /* new style */
1435 if (obj_tlen < sizeof(struct rsvp_obj_frr_t))
1436 return-1;
1437 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1438 ident,
1439 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1440 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1441 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1442 bw.f * 8 / 1000000));
1443 ND_PRINT((ndo, "%s Include-any: 0x%08x, Exclude-any: 0x%08x, Include-all: 0x%08x",
1444 ident,
1445 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1446 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any),
1447 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_all)));
1448 obj_tlen-=sizeof(struct rsvp_obj_frr_t);
1449 obj_tptr+=sizeof(struct rsvp_obj_frr_t);
1450 break;
1451
1452 case RSVP_CTYPE_TUNNEL_IPV4: /* old style */
1453 if (obj_tlen < 16)
1454 return-1;
1455 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1456 ident,
1457 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1458 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1459 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1460 bw.f * 8 / 1000000));
1461 ND_PRINT((ndo, "%s Include Colors: 0x%08x, Exclude Colors: 0x%08x",
1462 ident,
1463 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1464 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any)));
1465 obj_tlen-=16;
1466 obj_tptr+=16;
1467 break;
1468
1469 default:
1470 hexdump=TRUE;
1471 }
1472 break;
1473
1474 case RSVP_OBJ_DETOUR:
1475 switch(rsvp_obj_ctype) {
1476 case RSVP_CTYPE_TUNNEL_IPV4:
1477 while(obj_tlen >= 8) {
1478 ND_PRINT((ndo, "%s PLR-ID: %s, Avoid-Node-ID: %s",
1479 ident,
1480 ipaddr_string(ndo, obj_tptr),
1481 ipaddr_string(ndo, obj_tptr + 4)));
1482 obj_tlen-=8;
1483 obj_tptr+=8;
1484 }
1485 break;
1486 default:
1487 hexdump=TRUE;
1488 }
1489 break;
1490
1491 case RSVP_OBJ_CLASSTYPE:
1492 case RSVP_OBJ_CLASSTYPE_OLD: /* fall through */
1493 switch(rsvp_obj_ctype) {
1494 case RSVP_CTYPE_1:
1495 ND_PRINT((ndo, "%s CT: %u",
1496 ident,
1497 EXTRACT_32BITS(obj_tptr) & 0x7));
1498 obj_tlen-=4;
1499 obj_tptr+=4;
1500 break;
1501 default:
1502 hexdump=TRUE;
1503 }
1504 break;
1505
1506 case RSVP_OBJ_ERROR_SPEC:
1507 switch(rsvp_obj_ctype) {
1508 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1509 case RSVP_CTYPE_IPV4:
1510 if (obj_tlen < 8)
1511 return-1;
1512 error_code=*(obj_tptr+5);
1513 error_value=EXTRACT_16BITS(obj_tptr+6);
1514 ND_PRINT((ndo, "%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1515 ident,
1516 ipaddr_string(ndo, obj_tptr),
1517 *(obj_tptr+4),
1518 ident,
1519 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1520 error_code));
1521 switch (error_code) {
1522 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1523 ND_PRINT((ndo, ", Error Value: %s (%u)",
1524 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1525 error_value));
1526 break;
1527 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE: /* fall through */
1528 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD:
1529 ND_PRINT((ndo, ", Error Value: %s (%u)",
1530 tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value),
1531 error_value));
1532 break;
1533 default:
1534 ND_PRINT((ndo, ", Unknown Error Value (%u)", error_value));
1535 break;
1536 }
1537 obj_tlen-=8;
1538 obj_tptr+=8;
1539 break;
1540 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1541 case RSVP_CTYPE_IPV6:
1542 if (obj_tlen < 20)
1543 return-1;
1544 error_code=*(obj_tptr+17);
1545 error_value=EXTRACT_16BITS(obj_tptr+18);
1546 ND_PRINT((ndo, "%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1547 ident,
1548 ip6addr_string(ndo, obj_tptr),
1549 *(obj_tptr+16),
1550 ident,
1551 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1552 error_code));
1553
1554 switch (error_code) {
1555 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1556 ND_PRINT((ndo, ", Error Value: %s (%u)",
1557 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1558 error_value));
1559 break;
1560 default:
1561 break;
1562 }
1563 obj_tlen-=20;
1564 obj_tptr+=20;
1565 break;
1566 default:
1567 hexdump=TRUE;
1568 }
1569 break;
1570
1571 case RSVP_OBJ_PROPERTIES:
1572 switch(rsvp_obj_ctype) {
1573 case RSVP_CTYPE_1:
1574 if (obj_tlen < 4)
1575 return-1;
1576 padbytes = EXTRACT_16BITS(obj_tptr+2);
1577 ND_PRINT((ndo, "%s TLV count: %u, padding bytes: %u",
1578 ident,
1579 EXTRACT_16BITS(obj_tptr),
1580 padbytes));
1581 obj_tlen-=4;
1582 obj_tptr+=4;
1583 /* loop through as long there is anything longer than the TLV header (2) */
1584 while(obj_tlen >= 2 + padbytes) {
1585 ND_PRINT((ndo, "%s %s TLV (0x%02x), length: %u", /* length includes header */
1586 ident,
1587 tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
1588 *obj_tptr,
1589 *(obj_tptr + 1)));
1590 if (obj_tlen < *(obj_tptr+1))
1591 return-1;
1592 if (*(obj_tptr+1) < 2)
1593 return -1;
1594 print_unknown_data(ndo, obj_tptr + 2, "\n\t\t", *(obj_tptr + 1) - 2);
1595 obj_tlen-=*(obj_tptr+1);
1596 obj_tptr+=*(obj_tptr+1);
1597 }
1598 break;
1599 default:
1600 hexdump=TRUE;
1601 }
1602 break;
1603
1604 case RSVP_OBJ_MESSAGE_ID: /* fall through */
1605 case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */
1606 case RSVP_OBJ_MESSAGE_ID_LIST:
1607 switch(rsvp_obj_ctype) {
1608 case RSVP_CTYPE_1:
1609 case RSVP_CTYPE_2:
1610 if (obj_tlen < 8)
1611 return-1;
1612 ND_PRINT((ndo, "%s Flags [0x%02x], epoch: %u",
1613 ident,
1614 *obj_tptr,
1615 EXTRACT_24BITS(obj_tptr + 1)));
1616 obj_tlen-=4;
1617 obj_tptr+=4;
1618 /* loop through as long there are no messages left */
1619 while(obj_tlen >= 4) {
1620 ND_PRINT((ndo, "%s Message-ID 0x%08x (%u)",
1621 ident,
1622 EXTRACT_32BITS(obj_tptr),
1623 EXTRACT_32BITS(obj_tptr)));
1624 obj_tlen-=4;
1625 obj_tptr+=4;
1626 }
1627 break;
1628 default:
1629 hexdump=TRUE;
1630 }
1631 break;
1632
1633 case RSVP_OBJ_INTEGRITY:
1634 switch(rsvp_obj_ctype) {
1635 case RSVP_CTYPE_1:
1636 if (obj_tlen < sizeof(struct rsvp_obj_integrity_t))
1637 return-1;
1638 obj_ptr.rsvp_obj_integrity = (const struct rsvp_obj_integrity_t *)obj_tptr;
1639 ND_PRINT((ndo, "%s Key-ID 0x%04x%08x, Sequence 0x%08x%08x, Flags [%s]",
1640 ident,
1641 EXTRACT_16BITS(obj_ptr.rsvp_obj_integrity->key_id),
1642 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->key_id+2),
1643 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence),
1644 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence+4),
1645 bittok2str(rsvp_obj_integrity_flag_values,
1646 "none",
1647 obj_ptr.rsvp_obj_integrity->flags)));
1648 ND_PRINT((ndo, "%s MD5-sum 0x%08x%08x%08x%08x ",
1649 ident,
1650 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest),
1651 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+4),
1652 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+8),
1653 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest + 12)));
1654
1655 #ifdef HAVE_LIBCRYPTO
1656 sigcheck = signature_verify(ndo, pptr, plen, (unsigned char *)obj_ptr.\
1657 rsvp_obj_integrity->digest);
1658 #else
1659 sigcheck = CANT_CHECK_SIGNATURE;
1660 #endif
1661 ND_PRINT((ndo, " (%s)", tok2str(signature_check_values, "Unknown", sigcheck)));
1662
1663 obj_tlen+=sizeof(struct rsvp_obj_integrity_t);
1664 obj_tptr+=sizeof(struct rsvp_obj_integrity_t);
1665 break;
1666 default:
1667 hexdump=TRUE;
1668 }
1669 break;
1670
1671 case RSVP_OBJ_ADMIN_STATUS:
1672 switch(rsvp_obj_ctype) {
1673 case RSVP_CTYPE_1:
1674 if (obj_tlen < 4)
1675 return-1;
1676 ND_PRINT((ndo, "%s Flags [%s]", ident,
1677 bittok2str(rsvp_obj_admin_status_flag_values, "none",
1678 EXTRACT_32BITS(obj_tptr))));
1679 obj_tlen-=4;
1680 obj_tptr+=4;
1681 break;
1682 default:
1683 hexdump=TRUE;
1684 }
1685 break;
1686
1687 case RSVP_OBJ_LABEL_SET:
1688 switch(rsvp_obj_ctype) {
1689 case RSVP_CTYPE_1:
1690 if (obj_tlen < 4)
1691 return-1;
1692 action = (EXTRACT_16BITS(obj_tptr)>>8);
1693
1694 ND_PRINT((ndo, "%s Action: %s (%u), Label type: %u", ident,
1695 tok2str(rsvp_obj_label_set_action_values, "Unknown", action),
1696 action, ((EXTRACT_32BITS(obj_tptr) & 0x7F))));
1697
1698 switch (action) {
1699 case LABEL_SET_INCLUSIVE_RANGE:
1700 case LABEL_SET_EXCLUSIVE_RANGE: /* fall through */
1701
1702 /* only a couple of subchannels are expected */
1703 if (obj_tlen < 12)
1704 return -1;
1705 ND_PRINT((ndo, "%s Start range: %u, End range: %u", ident,
1706 EXTRACT_32BITS(obj_tptr+4),
1707 EXTRACT_32BITS(obj_tptr + 8)));
1708 obj_tlen-=12;
1709 obj_tptr+=12;
1710 break;
1711
1712 default:
1713 obj_tlen-=4;
1714 obj_tptr+=4;
1715 subchannel = 1;
1716 while(obj_tlen >= 4 ) {
1717 ND_PRINT((ndo, "%s Subchannel #%u: %u", ident, subchannel,
1718 EXTRACT_32BITS(obj_tptr)));
1719 obj_tptr+=4;
1720 obj_tlen-=4;
1721 subchannel++;
1722 }
1723 break;
1724 }
1725 break;
1726 default:
1727 hexdump=TRUE;
1728 }
1729
1730 case RSVP_OBJ_S2L:
1731 switch (rsvp_obj_ctype) {
1732 case RSVP_CTYPE_IPV4:
1733 if (obj_tlen < 4)
1734 return-1;
1735 ND_PRINT((ndo, "%s Sub-LSP destination address: %s",
1736 ident, ipaddr_string(ndo, obj_tptr)));
1737
1738 obj_tlen-=4;
1739 obj_tptr+=4;
1740 break;
1741 case RSVP_CTYPE_IPV6:
1742 if (obj_tlen < 16)
1743 return-1;
1744 ND_PRINT((ndo, "%s Sub-LSP destination address: %s",
1745 ident, ip6addr_string(ndo, obj_tptr)));
1746
1747 obj_tlen-=16;
1748 obj_tptr+=16;
1749 break;
1750 default:
1751 hexdump=TRUE;
1752 }
1753
1754 /*
1755 * FIXME those are the defined objects that lack a decoder
1756 * you are welcome to contribute code ;-)
1757 */
1758
1759 case RSVP_OBJ_SCOPE:
1760 case RSVP_OBJ_POLICY_DATA:
1761 case RSVP_OBJ_ACCEPT_LABEL_SET:
1762 case RSVP_OBJ_PROTECTION:
1763 default:
1764 if (ndo->ndo_vflag <= 1)
1765 print_unknown_data(ndo, obj_tptr, "\n\t ", obj_tlen); /* FIXME indentation */
1766 break;
1767 }
1768 /* do we also want to see a hex dump ? */
1769 if (ndo->ndo_vflag > 1 || hexdump == TRUE)
1770 print_unknown_data(ndo, tptr + sizeof(struct rsvp_object_header), "\n\t ", /* FIXME indentation */
1771 rsvp_obj_len - sizeof(struct rsvp_object_header));
1772
1773 tptr+=rsvp_obj_len;
1774 tlen-=rsvp_obj_len;
1775 }
1776 return 0;
1777 invalid:
1778 ND_PRINT((ndo, "%s", istr));
1779 return -1;
1780 trunc:
1781 ND_PRINT((ndo, "\n\t\t packet exceeded snapshot"));
1782 return -1;
1783 }
1784
1785 void
1786 rsvp_print(netdissect_options *ndo,
1787 register const u_char *pptr, register u_int len)
1788 {
1789 struct rsvp_common_header *rsvp_com_header;
1790 const u_char *tptr,*subtptr;
1791 u_short plen, tlen, subtlen;
1792
1793 tptr=pptr;
1794
1795 rsvp_com_header = (struct rsvp_common_header *)pptr;
1796 ND_TCHECK(*rsvp_com_header);
1797
1798 /*
1799 * Sanity checking of the header.
1800 */
1801 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1802 ND_PRINT((ndo, "ERROR: RSVP version %u packet not supported",
1803 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)));
1804 return;
1805 }
1806
1807 /* in non-verbose mode just lets print the basic Message Type*/
1808 if (ndo->ndo_vflag < 1) {
1809 ND_PRINT((ndo, "RSVPv%u %s Message, length: %u",
1810 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1811 tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
1812 len));
1813 return;
1814 }
1815
1816 /* ok they seem to want to know everything - lets fully decode it */
1817
1818 plen = tlen = EXTRACT_16BITS(rsvp_com_header->length);
1819
1820 ND_PRINT((ndo, "\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1821 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1822 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1823 rsvp_com_header->msg_type,
1824 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1825 tlen,
1826 rsvp_com_header->ttl,
1827 EXTRACT_16BITS(rsvp_com_header->checksum)));
1828
1829 /*
1830 * Clear checksum prior to signature verification.
1831 */
1832 rsvp_com_header->checksum[0] = 0;
1833 rsvp_com_header->checksum[1] = 0;
1834
1835 if (tlen < sizeof(const struct rsvp_common_header)) {
1836 ND_PRINT((ndo, "ERROR: common header too short %u < %lu", tlen,
1837 (unsigned long)sizeof(const struct rsvp_common_header)));
1838 return;
1839 }
1840
1841 tptr+=sizeof(const struct rsvp_common_header);
1842 tlen-=sizeof(const struct rsvp_common_header);
1843
1844 switch(rsvp_com_header->msg_type) {
1845
1846 case RSVP_MSGTYPE_AGGREGATE:
1847 while(tlen > 0) {
1848 subtptr=tptr;
1849 rsvp_com_header = (struct rsvp_common_header *)subtptr;
1850 ND_TCHECK(*rsvp_com_header);
1851
1852 /*
1853 * Sanity checking of the header.
1854 */
1855 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1856 ND_PRINT((ndo, "ERROR: RSVP version %u packet not supported",
1857 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)));
1858 return;
1859 }
1860 subtlen=EXTRACT_16BITS(rsvp_com_header->length);
1861
1862 ND_PRINT((ndo, "\n\t RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1863 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1864 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1865 rsvp_com_header->msg_type,
1866 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1867 subtlen,
1868 rsvp_com_header->ttl,
1869 EXTRACT_16BITS(rsvp_com_header->checksum)));
1870
1871 /*
1872 * Clear checksum prior to signature verification.
1873 */
1874 rsvp_com_header->checksum[0] = 0;
1875 rsvp_com_header->checksum[1] = 0;
1876
1877 if (subtlen < sizeof(const struct rsvp_common_header)) {
1878 ND_PRINT((ndo, "ERROR: common header too short %u < %lu", subtlen,
1879 (unsigned long)sizeof(const struct rsvp_common_header)));
1880 return;
1881 }
1882
1883 if (tlen < subtlen) {
1884 ND_PRINT((ndo, "ERROR: common header too large %u > %u", subtlen,
1885 tlen));
1886 return;
1887 }
1888
1889 subtptr+=sizeof(const struct rsvp_common_header);
1890 subtlen-=sizeof(const struct rsvp_common_header);
1891
1892 if (rsvp_obj_print(ndo, pptr, plen, subtptr, "\n\t ", subtlen) == -1)
1893 return;
1894
1895 tptr+=subtlen+sizeof(const struct rsvp_common_header);
1896 tlen-=subtlen+sizeof(const struct rsvp_common_header);
1897 }
1898
1899 break;
1900
1901 case RSVP_MSGTYPE_PATH:
1902 case RSVP_MSGTYPE_RESV:
1903 case RSVP_MSGTYPE_PATHERR:
1904 case RSVP_MSGTYPE_RESVERR:
1905 case RSVP_MSGTYPE_PATHTEAR:
1906 case RSVP_MSGTYPE_RESVTEAR:
1907 case RSVP_MSGTYPE_RESVCONF:
1908 case RSVP_MSGTYPE_HELLO_OLD:
1909 case RSVP_MSGTYPE_HELLO:
1910 case RSVP_MSGTYPE_ACK:
1911 case RSVP_MSGTYPE_SREFRESH:
1912 if (rsvp_obj_print(ndo, pptr, plen, tptr, "\n\t ", tlen) == -1)
1913 return;
1914 break;
1915
1916 default:
1917 print_unknown_data(ndo, tptr, "\n\t ", tlen);
1918 break;
1919 }
1920
1921 return;
1922 trunc:
1923 ND_PRINT((ndo, "\n\t\t packet exceeded snapshot"));
1924 }
[mirror] the TCPdump network dissector