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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 #define NETDISSECT_REWORKED
19 #ifdef HAVE_CONFIG_H
20 #include "config.h"
21 #endif
22
23 #include <tcpdump-stdinc.h>
24
25 #include "interface.h"
26 #include "extract.h"
27 #include "addrtoname.h"
28 #include "ethertype.h"
29 #include "gmpls.h"
30 #include "af.h"
31 #include "signature.h"
32
33 /*
34 * RFC 2205 common header
35 *
36 * 0 1 2 3
37 * +-------------+-------------+-------------+-------------+
38 * | Vers | Flags| Msg Type | RSVP Checksum |
39 * +-------------+-------------+-------------+-------------+
40 * | Send_TTL | (Reserved) | RSVP Length |
41 * +-------------+-------------+-------------+-------------+
42 *
43 */
44
45 struct rsvp_common_header {
46 u_int8_t version_flags;
47 u_int8_t msg_type;
48 u_int8_t checksum[2];
49 u_int8_t ttl;
50 u_int8_t reserved;
51 u_int8_t length[2];
52 };
53
54 /*
55 * RFC2205 object header
56 *
57 *
58 * 0 1 2 3
59 * +-------------+-------------+-------------+-------------+
60 * | Length (bytes) | Class-Num | C-Type |
61 * +-------------+-------------+-------------+-------------+
62 * | |
63 * // (Object contents) //
64 * | |
65 * +-------------+-------------+-------------+-------------+
66 */
67
68 struct rsvp_object_header {
69 u_int8_t length[2];
70 u_int8_t class_num;
71 u_int8_t ctype;
72 };
73
74 #define RSVP_VERSION 1
75 #define RSVP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
76 #define RSVP_EXTRACT_FLAGS(x) ((x)&0x0f)
77
78 #define RSVP_MSGTYPE_PATH 1
79 #define RSVP_MSGTYPE_RESV 2
80 #define RSVP_MSGTYPE_PATHERR 3
81 #define RSVP_MSGTYPE_RESVERR 4
82 #define RSVP_MSGTYPE_PATHTEAR 5
83 #define RSVP_MSGTYPE_RESVTEAR 6
84 #define RSVP_MSGTYPE_RESVCONF 7
85 #define RSVP_MSGTYPE_AGGREGATE 12
86 #define RSVP_MSGTYPE_ACK 13
87 #define RSVP_MSGTYPE_HELLO_OLD 14 /* ancient Hellos */
88 #define RSVP_MSGTYPE_SREFRESH 15
89 #define RSVP_MSGTYPE_HELLO 20
90
91 static const struct tok rsvp_msg_type_values[] = {
92 { RSVP_MSGTYPE_PATH, "Path" },
93 { RSVP_MSGTYPE_RESV, "Resv" },
94 { RSVP_MSGTYPE_PATHERR, "PathErr" },
95 { RSVP_MSGTYPE_RESVERR, "ResvErr" },
96 { RSVP_MSGTYPE_PATHTEAR, "PathTear" },
97 { RSVP_MSGTYPE_RESVTEAR, "ResvTear" },
98 { RSVP_MSGTYPE_RESVCONF, "ResvConf" },
99 { RSVP_MSGTYPE_AGGREGATE, "Aggregate" },
100 { RSVP_MSGTYPE_ACK, "Acknowledgement" },
101 { RSVP_MSGTYPE_HELLO_OLD, "Hello (Old)" },
102 { RSVP_MSGTYPE_SREFRESH, "Refresh" },
103 { RSVP_MSGTYPE_HELLO, "Hello" },
104 { 0, NULL}
105 };
106
107 static const struct tok rsvp_header_flag_values[] = {
108 { 0x01, "Refresh reduction capable" }, /* rfc2961 */
109 { 0, NULL}
110 };
111
112 #define RSVP_OBJ_SESSION 1 /* rfc2205 */
113 #define RSVP_OBJ_RSVP_HOP 3 /* rfc2205, rfc3473 */
114 #define RSVP_OBJ_INTEGRITY 4 /* rfc2747 */
115 #define RSVP_OBJ_TIME_VALUES 5 /* rfc2205 */
116 #define RSVP_OBJ_ERROR_SPEC 6
117 #define RSVP_OBJ_SCOPE 7
118 #define RSVP_OBJ_STYLE 8 /* rfc2205 */
119 #define RSVP_OBJ_FLOWSPEC 9 /* rfc2215 */
120 #define RSVP_OBJ_FILTERSPEC 10 /* rfc2215 */
121 #define RSVP_OBJ_SENDER_TEMPLATE 11
122 #define RSVP_OBJ_SENDER_TSPEC 12 /* rfc2215 */
123 #define RSVP_OBJ_ADSPEC 13 /* rfc2215 */
124 #define RSVP_OBJ_POLICY_DATA 14
125 #define RSVP_OBJ_CONFIRM 15 /* rfc2205 */
126 #define RSVP_OBJ_LABEL 16 /* rfc3209 */
127 #define RSVP_OBJ_LABEL_REQ 19 /* rfc3209 */
128 #define RSVP_OBJ_ERO 20 /* rfc3209 */
129 #define RSVP_OBJ_RRO 21 /* rfc3209 */
130 #define RSVP_OBJ_HELLO 22 /* rfc3209 */
131 #define RSVP_OBJ_MESSAGE_ID 23 /* rfc2961 */
132 #define RSVP_OBJ_MESSAGE_ID_ACK 24 /* rfc2961 */
133 #define RSVP_OBJ_MESSAGE_ID_LIST 25 /* rfc2961 */
134 #define RSVP_OBJ_RECOVERY_LABEL 34 /* rfc3473 */
135 #define RSVP_OBJ_UPSTREAM_LABEL 35 /* rfc3473 */
136 #define RSVP_OBJ_LABEL_SET 36 /* rfc3473 */
137 #define RSVP_OBJ_PROTECTION 37 /* rfc3473 */
138 #define RSVP_OBJ_S2L 50 /* rfc4875 */
139 #define RSVP_OBJ_DETOUR 63 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */
140 #define RSVP_OBJ_CLASSTYPE 66 /* rfc4124 */
141 #define RSVP_OBJ_CLASSTYPE_OLD 125 /* draft-ietf-tewg-diff-te-proto-07 */
142 #define RSVP_OBJ_SUGGESTED_LABEL 129 /* rfc3473 */
143 #define RSVP_OBJ_ACCEPT_LABEL_SET 130 /* rfc3473 */
144 #define RSVP_OBJ_RESTART_CAPABILITY 131 /* rfc3473 */
145 #define RSVP_OBJ_NOTIFY_REQ 195 /* rfc3473 */
146 #define RSVP_OBJ_ADMIN_STATUS 196 /* rfc3473 */
147 #define RSVP_OBJ_PROPERTIES 204 /* juniper proprietary */
148 #define RSVP_OBJ_FASTREROUTE 205 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */
149 #define RSVP_OBJ_SESSION_ATTRIBUTE 207 /* rfc3209 */
150 #define RSVP_OBJ_GENERALIZED_UNI 229 /* OIF RSVP extensions UNI 1.0 Signaling, Rel. 2 */
151 #define RSVP_OBJ_CALL_ID 230 /* rfc3474 */
152 #define RSVP_OBJ_CALL_OPS 236 /* rfc3474 */
153
154 static const struct tok rsvp_obj_values[] = {
155 { RSVP_OBJ_SESSION, "Session" },
156 { RSVP_OBJ_RSVP_HOP, "RSVP Hop" },
157 { RSVP_OBJ_INTEGRITY, "Integrity" },
158 { RSVP_OBJ_TIME_VALUES, "Time Values" },
159 { RSVP_OBJ_ERROR_SPEC, "Error Spec" },
160 { RSVP_OBJ_SCOPE, "Scope" },
161 { RSVP_OBJ_STYLE, "Style" },
162 { RSVP_OBJ_FLOWSPEC, "Flowspec" },
163 { RSVP_OBJ_FILTERSPEC, "FilterSpec" },
164 { RSVP_OBJ_SENDER_TEMPLATE, "Sender Template" },
165 { RSVP_OBJ_SENDER_TSPEC, "Sender TSpec" },
166 { RSVP_OBJ_ADSPEC, "Adspec" },
167 { RSVP_OBJ_POLICY_DATA, "Policy Data" },
168 { RSVP_OBJ_CONFIRM, "Confirm" },
169 { RSVP_OBJ_LABEL, "Label" },
170 { RSVP_OBJ_LABEL_REQ, "Label Request" },
171 { RSVP_OBJ_ERO, "ERO" },
172 { RSVP_OBJ_RRO, "RRO" },
173 { RSVP_OBJ_HELLO, "Hello" },
174 { RSVP_OBJ_MESSAGE_ID, "Message ID" },
175 { RSVP_OBJ_MESSAGE_ID_ACK, "Message ID Ack" },
176 { RSVP_OBJ_MESSAGE_ID_LIST, "Message ID List" },
177 { RSVP_OBJ_RECOVERY_LABEL, "Recovery Label" },
178 { RSVP_OBJ_UPSTREAM_LABEL, "Upstream Label" },
179 { RSVP_OBJ_LABEL_SET, "Label Set" },
180 { RSVP_OBJ_ACCEPT_LABEL_SET, "Acceptable Label Set" },
181 { RSVP_OBJ_DETOUR, "Detour" },
182 { RSVP_OBJ_CLASSTYPE, "Class Type" },
183 { RSVP_OBJ_CLASSTYPE_OLD, "Class Type (old)" },
184 { RSVP_OBJ_SUGGESTED_LABEL, "Suggested Label" },
185 { RSVP_OBJ_PROPERTIES, "Properties" },
186 { RSVP_OBJ_FASTREROUTE, "Fast Re-Route" },
187 { RSVP_OBJ_SESSION_ATTRIBUTE, "Session Attribute" },
188 { RSVP_OBJ_GENERALIZED_UNI, "Generalized UNI" },
189 { RSVP_OBJ_CALL_ID, "Call-ID" },
190 { RSVP_OBJ_CALL_OPS, "Call Capability" },
191 { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" },
192 { RSVP_OBJ_NOTIFY_REQ, "Notify Request" },
193 { RSVP_OBJ_PROTECTION, "Protection" },
194 { RSVP_OBJ_ADMIN_STATUS, "Administrative Status" },
195 { RSVP_OBJ_S2L, "Sub-LSP to LSP" },
196 { 0, NULL}
197 };
198
199 #define RSVP_CTYPE_IPV4 1
200 #define RSVP_CTYPE_IPV6 2
201 #define RSVP_CTYPE_TUNNEL_IPV4 7
202 #define RSVP_CTYPE_TUNNEL_IPV6 8
203 #define RSVP_CTYPE_UNI_IPV4 11 /* OIF RSVP extensions UNI 1.0 Signaling Rel. 2 */
204 #define RSVP_CTYPE_1 1
205 #define RSVP_CTYPE_2 2
206 #define RSVP_CTYPE_3 3
207 #define RSVP_CTYPE_4 4
208 #define RSVP_CTYPE_12 12
209 #define RSVP_CTYPE_13 13
210 #define RSVP_CTYPE_14 14
211
212 /*
213 * the ctypes are not globally unique so for
214 * translating it to strings we build a table based
215 * on objects offsetted by the ctype
216 */
217
218 static const struct tok rsvp_ctype_values[] = {
219 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV4, "IPv4" },
220 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV6, "IPv6" },
221 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
222 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
223 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV4, "IPv4" },
224 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV6, "IPv6" },
225 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV4, "IPv4" },
226 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV6, "IPv6" },
227 { 256*RSVP_OBJ_TIME_VALUES+RSVP_CTYPE_1, "1" },
228 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_1, "obsolete" },
229 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_2, "IntServ" },
230 { 256*RSVP_OBJ_SENDER_TSPEC+RSVP_CTYPE_2, "IntServ" },
231 { 256*RSVP_OBJ_ADSPEC+RSVP_CTYPE_2, "IntServ" },
232 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV4, "IPv4" },
233 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6, "IPv6" },
234 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3, "IPv6 Flow-label" },
235 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
236 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" },
237 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" },
238 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4, "IPv4" },
239 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6, "IPv6" },
240 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
241 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_UNI_IPV4, "UNI IPv4" },
242 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_13, "IPv4 P2MP LSP Tunnel" },
243 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_14, "IPv6 P2MP LSP Tunnel" },
244 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV4, "IPv4" },
245 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6, "IPv6" },
246 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
247 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" },
248 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" },
249 { 256*RSVP_OBJ_MESSAGE_ID+RSVP_CTYPE_1, "1" },
250 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_1, "Message id ack" },
251 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_2, "Message id nack" },
252 { 256*RSVP_OBJ_MESSAGE_ID_LIST+RSVP_CTYPE_1, "1" },
253 { 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1, "1" },
254 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1, "Hello Request" },
255 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2, "Hello Ack" },
256 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1, "without label range" },
257 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2, "with ATM label range" },
258 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3, "with FR label range" },
259 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4, "Generalized Label" },
260 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1, "Label" },
261 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_2, "Generalized Label" },
262 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
263 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1, "Label" },
264 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_2, "Generalized Label" },
265 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
266 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1, "Label" },
267 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_2, "Generalized Label" },
268 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
269 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_1, "Label" },
270 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_2, "Generalized Label" },
271 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
272 { 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4, "IPv4" },
273 { 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4, "IPv4" },
274 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4, "IPv4" },
275 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6, "IPv6" },
276 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
277 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
278 { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1, "IPv4" },
279 { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
280 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, /* old style*/
281 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_1, "1" }, /* new style */
282 { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
283 { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1, "1" },
284 { 256*RSVP_OBJ_ADMIN_STATUS+RSVP_CTYPE_1, "1" },
285 { 256*RSVP_OBJ_CLASSTYPE+RSVP_CTYPE_1, "1" },
286 { 256*RSVP_OBJ_CLASSTYPE_OLD+RSVP_CTYPE_1, "1" },
287 { 256*RSVP_OBJ_LABEL_SET+RSVP_CTYPE_1, "1" },
288 { 256*RSVP_OBJ_GENERALIZED_UNI+RSVP_CTYPE_1, "1" },
289 { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV4, "IPv4 sub-LSP" },
290 { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV6, "IPv6 sub-LSP" },
291 { 0, NULL}
292 };
293
294 struct rsvp_obj_integrity_t {
295 u_int8_t flags;
296 u_int8_t res;
297 u_int8_t key_id[6];
298 u_int8_t sequence[8];
299 u_int8_t digest[16];
300 };
301
302 static const struct tok rsvp_obj_integrity_flag_values[] = {
303 { 0x80, "Handshake" },
304 { 0, NULL}
305 };
306
307 struct rsvp_obj_frr_t {
308 u_int8_t setup_prio;
309 u_int8_t hold_prio;
310 u_int8_t hop_limit;
311 u_int8_t flags;
312 u_int8_t bandwidth[4];
313 u_int8_t include_any[4];
314 u_int8_t exclude_any[4];
315 u_int8_t include_all[4];
316 };
317
318
319 #define RSVP_OBJ_XRO_MASK_SUBOBJ(x) ((x)&0x7f)
320 #define RSVP_OBJ_XRO_MASK_LOOSE(x) ((x)&0x80)
321
322 #define RSVP_OBJ_XRO_RES 0
323 #define RSVP_OBJ_XRO_IPV4 1
324 #define RSVP_OBJ_XRO_IPV6 2
325 #define RSVP_OBJ_XRO_LABEL 3
326 #define RSVP_OBJ_XRO_ASN 32
327 #define RSVP_OBJ_XRO_MPLS 64
328
329 static const struct tok rsvp_obj_xro_values[] = {
330 { RSVP_OBJ_XRO_RES, "Reserved" },
331 { RSVP_OBJ_XRO_IPV4, "IPv4 prefix" },
332 { RSVP_OBJ_XRO_IPV6, "IPv6 prefix" },
333 { RSVP_OBJ_XRO_LABEL, "Label" },
334 { RSVP_OBJ_XRO_ASN, "Autonomous system number" },
335 { RSVP_OBJ_XRO_MPLS, "MPLS label switched path termination" },
336 { 0, NULL}
337 };
338
339 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07.txt */
340 static const struct tok rsvp_obj_rro_flag_values[] = {
341 { 0x01, "Local protection available" },
342 { 0x02, "Local protection in use" },
343 { 0x04, "Bandwidth protection" },
344 { 0x08, "Node protection" },
345 { 0, NULL}
346 };
347
348 /* RFC3209 */
349 static const struct tok rsvp_obj_rro_label_flag_values[] = {
350 { 0x01, "Global" },
351 { 0, NULL}
352 };
353
354 static const struct tok rsvp_resstyle_values[] = {
355 { 17, "Wildcard Filter" },
356 { 10, "Fixed Filter" },
357 { 18, "Shared Explicit" },
358 { 0, NULL}
359 };
360
361 #define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2
362 #define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5
363
364 static const struct tok rsvp_intserv_service_type_values[] = {
365 { 1, "Default/Global Information" },
366 { RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" },
367 { RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" },
368 { 0, NULL}
369 };
370
371 static const struct tok rsvp_intserv_parameter_id_values[] = {
372 { 4, "IS hop cnt" },
373 { 6, "Path b/w estimate" },
374 { 8, "Minimum path latency" },
375 { 10, "Composed MTU" },
376 { 127, "Token Bucket TSpec" },
377 { 130, "Guaranteed Service RSpec" },
378 { 133, "End-to-end composed value for C" },
379 { 134, "End-to-end composed value for D" },
380 { 135, "Since-last-reshaping point composed C" },
381 { 136, "Since-last-reshaping point composed D" },
382 { 0, NULL}
383 };
384
385 static const struct tok rsvp_session_attribute_flag_values[] = {
386 { 0x01, "Local Protection" },
387 { 0x02, "Label Recording" },
388 { 0x04, "SE Style" },
389 { 0x08, "Bandwidth protection" }, /* RFC4090 */
390 { 0x10, "Node protection" }, /* RFC4090 */
391 { 0, NULL}
392 };
393
394 static const struct tok rsvp_obj_prop_tlv_values[] = {
395 { 0x01, "Cos" },
396 { 0x02, "Metric 1" },
397 { 0x04, "Metric 2" },
398 { 0x08, "CCC Status" },
399 { 0x10, "Path Type" },
400 { 0, NULL}
401 };
402
403 #define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24
404 #define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY 25
405 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 28
406 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD 125
407
408 static const struct tok rsvp_obj_error_code_values[] = {
409 { RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" },
410 { RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY, "Notify Error" },
411 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE, "Diffserv TE Error" },
412 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD, "Diffserv TE Error (Old)" },
413 { 0, NULL}
414 };
415
416 static const struct tok rsvp_obj_error_code_routing_values[] = {
417 { 1, "Bad EXPLICIT_ROUTE object" },
418 { 2, "Bad strict node" },
419 { 3, "Bad loose node" },
420 { 4, "Bad initial subobject" },
421 { 5, "No route available toward destination" },
422 { 6, "Unacceptable label value" },
423 { 7, "RRO indicated routing loops" },
424 { 8, "non-RSVP-capable router in the path" },
425 { 9, "MPLS label allocation failure" },
426 { 10, "Unsupported L3PID" },
427 { 0, NULL}
428 };
429
430 static const struct tok rsvp_obj_error_code_diffserv_te_values[] = {
431 { 1, "Unexpected CT object" },
432 { 2, "Unsupported CT" },
433 { 3, "Invalid CT value" },
434 { 4, "CT/setup priority do not form a configured TE-Class" },
435 { 5, "CT/holding priority do not form a configured TE-Class" },
436 { 6, "CT/setup priority and CT/holding priority do not form a configured TE-Class" },
437 { 7, "Inconsistency between signaled PSC and signaled CT" },
438 { 8, "Inconsistency between signaled PHBs and signaled CT" },
439 { 0, NULL}
440 };
441
442 /* rfc3473 / rfc 3471 */
443 static const struct tok rsvp_obj_admin_status_flag_values[] = {
444 { 0x80000000, "Reflect" },
445 { 0x00000004, "Testing" },
446 { 0x00000002, "Admin-down" },
447 { 0x00000001, "Delete-in-progress" },
448 { 0, NULL}
449 };
450
451 /* label set actions - rfc3471 */
452 #define LABEL_SET_INCLUSIVE_LIST 0
453 #define LABEL_SET_EXCLUSIVE_LIST 1
454 #define LABEL_SET_INCLUSIVE_RANGE 2
455 #define LABEL_SET_EXCLUSIVE_RANGE 3
456
457 static const struct tok rsvp_obj_label_set_action_values[] = {
458 { LABEL_SET_INCLUSIVE_LIST, "Inclusive list" },
459 { LABEL_SET_EXCLUSIVE_LIST, "Exclusive list" },
460 { LABEL_SET_INCLUSIVE_RANGE, "Inclusive range" },
461 { LABEL_SET_EXCLUSIVE_RANGE, "Exclusive range" },
462 { 0, NULL}
463 };
464
465 /* OIF RSVP extensions UNI 1.0 Signaling, release 2 */
466 #define RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS 1
467 #define RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS 2
468 #define RSVP_GEN_UNI_SUBOBJ_DIVERSITY 3
469 #define RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL 4
470 #define RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL 5
471
472 static const struct tok rsvp_obj_generalized_uni_values[] = {
473 { RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS, "Source TNA address" },
474 { RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS, "Destination TNA address" },
475 { RSVP_GEN_UNI_SUBOBJ_DIVERSITY, "Diversity" },
476 { RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL, "Egress label" },
477 { RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL, "Service level" },
478 { 0, NULL}
479 };
480
481 /*
482 * this is a dissector for all the intserv defined
483 * specs as defined per rfc2215
484 * it is called from various rsvp objects;
485 * returns the amount of bytes being processed
486 */
487 static int
488 rsvp_intserv_print(netdissect_options *ndo,
489 const u_char *tptr, u_short obj_tlen) {
490
491 int parameter_id,parameter_length;
492 union {
493 float f;
494 u_int32_t i;
495 } bw;
496
497 if (obj_tlen < 4)
498 return 0;
499 parameter_id = *(tptr);
500 parameter_length = EXTRACT_16BITS(tptr+2)<<2; /* convert wordcount to bytecount */
501
502 ND_PRINT((ndo, "\n\t Parameter ID: %s (%u), length: %u, Flags: [0x%02x]",
503 tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id),
504 parameter_id,
505 parameter_length,
506 *(tptr + 1)));
507
508 if (obj_tlen < parameter_length+4)
509 return 0;
510 switch(parameter_id) { /* parameter_id */
511
512 case 4:
513 /*
514 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
515 * | 4 (e) | (f) | 1 (g) |
516 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
517 * | IS hop cnt (32-bit unsigned integer) |
518 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
519 */
520 if (parameter_length == 4)
521 ND_PRINT((ndo, "\n\t\tIS hop count: %u", EXTRACT_32BITS(tptr + 4)));
522 break;
523
524 case 6:
525 /*
526 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
527 * | 6 (h) | (i) | 1 (j) |
528 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
529 * | Path b/w estimate (32-bit IEEE floating point number) |
530 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
531 */
532 if (parameter_length == 4) {
533 bw.i = EXTRACT_32BITS(tptr+4);
534 ND_PRINT((ndo, "\n\t\tPath b/w estimate: %.10g Mbps", bw.f / 125000));
535 }
536 break;
537
538 case 8:
539 /*
540 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
541 * | 8 (k) | (l) | 1 (m) |
542 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
543 * | Minimum path latency (32-bit integer) |
544 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
545 */
546 if (parameter_length == 4) {
547 ND_PRINT((ndo, "\n\t\tMinimum path latency: "));
548 if (EXTRACT_32BITS(tptr+4) == 0xffffffff)
549 ND_PRINT((ndo, "don't care"));
550 else
551 ND_PRINT((ndo, "%u", EXTRACT_32BITS(tptr + 4)));
552 }
553 break;
554
555 case 10:
556
557 /*
558 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
559 * | 10 (n) | (o) | 1 (p) |
560 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
561 * | Composed MTU (32-bit unsigned integer) |
562 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
563 */
564 if (parameter_length == 4)
565 ND_PRINT((ndo, "\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr + 4)));
566 break;
567 case 127:
568 /*
569 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
570 * | 127 (e) | 0 (f) | 5 (g) |
571 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
572 * | Token Bucket Rate [r] (32-bit IEEE floating point number) |
573 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
574 * | Token Bucket Size [b] (32-bit IEEE floating point number) |
575 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
576 * | Peak Data Rate [p] (32-bit IEEE floating point number) |
577 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
578 * | Minimum Policed Unit [m] (32-bit integer) |
579 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
580 * | Maximum Packet Size [M] (32-bit integer) |
581 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
582 */
583
584 if (parameter_length == 20) {
585 bw.i = EXTRACT_32BITS(tptr+4);
586 ND_PRINT((ndo, "\n\t\tToken Bucket Rate: %.10g Mbps", bw.f / 125000));
587 bw.i = EXTRACT_32BITS(tptr+8);
588 ND_PRINT((ndo, "\n\t\tToken Bucket Size: %.10g bytes", bw.f));
589 bw.i = EXTRACT_32BITS(tptr+12);
590 ND_PRINT((ndo, "\n\t\tPeak Data Rate: %.10g Mbps", bw.f / 125000));
591 ND_PRINT((ndo, "\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr + 16)));
592 ND_PRINT((ndo, "\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr + 20)));
593 }
594 break;
595
596 case 130:
597 /*
598 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
599 * | 130 (h) | 0 (i) | 2 (j) |
600 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
601 * | Rate [R] (32-bit IEEE floating point number) |
602 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
603 * | Slack Term [S] (32-bit integer) |
604 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
605 */
606
607 if (parameter_length == 8) {
608 bw.i = EXTRACT_32BITS(tptr+4);
609 ND_PRINT((ndo, "\n\t\tRate: %.10g Mbps", bw.f / 125000));
610 ND_PRINT((ndo, "\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr + 8)));
611 }
612 break;
613
614 case 133:
615 case 134:
616 case 135:
617 case 136:
618 if (parameter_length == 4)
619 ND_PRINT((ndo, "\n\t\tValue: %u", EXTRACT_32BITS(tptr + 4)));
620 break;
621
622 default:
623 if (ndo->ndo_vflag <= 1)
624 print_unknown_data(ndo, tptr + 4, "\n\t\t", parameter_length);
625 }
626 return (parameter_length+4); /* header length 4 bytes */
627 }
628
629 static int
630 rsvp_obj_print(netdissect_options *ndo,
631 const u_char *pptr
632 #ifndef HAVE_LIBCRYPTO
633 _U_
634 #endif
635 , u_int plen
636 #ifndef HAVE_LIBCRYPTO
637 _U_
638 #endif
639 , const u_char *tptr,
640 const char *ident, u_int tlen) {
641
642 const struct rsvp_object_header *rsvp_obj_header;
643 const u_char *obj_tptr;
644 union {
645 const struct rsvp_obj_integrity_t *rsvp_obj_integrity;
646 const struct rsvp_obj_frr_t *rsvp_obj_frr;
647 } obj_ptr;
648
649 u_short rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen;
650 int hexdump,processed,padbytes,error_code,error_value,i,sigcheck;
651 union {
652 float f;
653 u_int32_t i;
654 } bw;
655 u_int8_t namelen;
656
657 u_int action, subchannel;
658
659 while(tlen>=sizeof(struct rsvp_object_header)) {
660 /* did we capture enough for fully decoding the object header ? */
661 if (!ND_TTEST2(*tptr, sizeof(struct rsvp_object_header)))
662 goto trunc;
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(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 #ifdef INET6
728 case RSVP_CTYPE_IPV6:
729 if (obj_tlen < 20)
730 return -1;
731 ND_PRINT((ndo, "%s IPv6 DestAddress: %s, Protocol ID: 0x%02x",
732 ident,
733 ip6addr_string(obj_tptr),
734 *(obj_tptr + sizeof(struct in6_addr))));
735 ND_PRINT((ndo, "%s Flags: [0x%02x], DestPort %u",
736 ident,
737 *(obj_tptr+sizeof(struct in6_addr)+1),
738 EXTRACT_16BITS(obj_tptr + sizeof(struct in6_addr) + 2)));
739 obj_tlen-=20;
740 obj_tptr+=20;
741 break;
742
743 case RSVP_CTYPE_TUNNEL_IPV6:
744 if (obj_tlen < 36)
745 return -1;
746 ND_PRINT((ndo, "%s IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
747 ident,
748 ip6addr_string(obj_tptr),
749 EXTRACT_16BITS(obj_tptr+18),
750 ip6addr_string(obj_tptr + 20)));
751 obj_tlen-=36;
752 obj_tptr+=36;
753 break;
754
755 case RSVP_CTYPE_14: /* IPv6 p2mp LSP Tunnel */
756 if (obj_tlen < 26)
757 return -1;
758 ND_PRINT((ndo, "%s IPv6 P2MP LSP ID: 0x%08x, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
759 ident,
760 EXTRACT_32BITS(obj_tptr),
761 EXTRACT_16BITS(obj_tptr+6),
762 ip6addr_string(obj_tptr + 8)));
763 obj_tlen-=26;
764 obj_tptr+=26;
765 break;
766 #endif
767 case RSVP_CTYPE_13: /* IPv4 p2mp LSP Tunnel */
768 if (obj_tlen < 12)
769 return -1;
770 ND_PRINT((ndo, "%s IPv4 P2MP LSP ID: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
771 ident,
772 ipaddr_string(obj_tptr),
773 EXTRACT_16BITS(obj_tptr+6),
774 ipaddr_string(obj_tptr + 8)));
775 obj_tlen-=12;
776 obj_tptr+=12;
777 break;
778 case RSVP_CTYPE_TUNNEL_IPV4:
779 case RSVP_CTYPE_UNI_IPV4:
780 if (obj_tlen < 12)
781 return -1;
782 ND_PRINT((ndo, "%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
783 ident,
784 ipaddr_string(obj_tptr),
785 EXTRACT_16BITS(obj_tptr+6),
786 ipaddr_string(obj_tptr + 8)));
787 obj_tlen-=12;
788 obj_tptr+=12;
789 break;
790 default:
791 hexdump=TRUE;
792 }
793 break;
794
795 case RSVP_OBJ_CONFIRM:
796 switch(rsvp_obj_ctype) {
797 case RSVP_CTYPE_IPV4:
798 if (obj_tlen < sizeof(struct in_addr))
799 return -1;
800 ND_PRINT((ndo, "%s IPv4 Receiver Address: %s",
801 ident,
802 ipaddr_string(obj_tptr)));
803 obj_tlen-=sizeof(struct in_addr);
804 obj_tptr+=sizeof(struct in_addr);
805 break;
806 #ifdef INET6
807 case RSVP_CTYPE_IPV6:
808 if (obj_tlen < sizeof(struct in6_addr))
809 return -1;
810 ND_PRINT((ndo, "%s IPv6 Receiver Address: %s",
811 ident,
812 ip6addr_string(obj_tptr)));
813 obj_tlen-=sizeof(struct in6_addr);
814 obj_tptr+=sizeof(struct in6_addr);
815 break;
816 #endif
817 default:
818 hexdump=TRUE;
819 }
820 break;
821
822 case RSVP_OBJ_NOTIFY_REQ:
823 switch(rsvp_obj_ctype) {
824 case RSVP_CTYPE_IPV4:
825 if (obj_tlen < sizeof(struct in_addr))
826 return -1;
827 ND_PRINT((ndo, "%s IPv4 Notify Node Address: %s",
828 ident,
829 ipaddr_string(obj_tptr)));
830 obj_tlen-=sizeof(struct in_addr);
831 obj_tptr+=sizeof(struct in_addr);
832 break;
833 #ifdef INET6
834 case RSVP_CTYPE_IPV6:
835 if (obj_tlen < sizeof(struct in6_addr))
836 return-1;
837 ND_PRINT((ndo, "%s IPv6 Notify Node Address: %s",
838 ident,
839 ip6addr_string(obj_tptr)));
840 obj_tlen-=sizeof(struct in6_addr);
841 obj_tptr+=sizeof(struct in6_addr);
842 break;
843 #endif
844 default:
845 hexdump=TRUE;
846 }
847 break;
848
849 case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
850 case RSVP_OBJ_UPSTREAM_LABEL: /* fall through */
851 case RSVP_OBJ_RECOVERY_LABEL: /* fall through */
852 case RSVP_OBJ_LABEL:
853 switch(rsvp_obj_ctype) {
854 case RSVP_CTYPE_1:
855 while(obj_tlen >= 4 ) {
856 ND_PRINT((ndo, "%s Label: %u", ident, EXTRACT_32BITS(obj_tptr)));
857 obj_tlen-=4;
858 obj_tptr+=4;
859 }
860 break;
861 case RSVP_CTYPE_2:
862 if (obj_tlen < 4)
863 return-1;
864 ND_PRINT((ndo, "%s Generalized Label: %u",
865 ident,
866 EXTRACT_32BITS(obj_tptr)));
867 obj_tlen-=4;
868 obj_tptr+=4;
869 break;
870 case RSVP_CTYPE_3:
871 if (obj_tlen < 12)
872 return-1;
873 ND_PRINT((ndo, "%s Waveband ID: %u%s Start Label: %u, Stop Label: %u",
874 ident,
875 EXTRACT_32BITS(obj_tptr),
876 ident,
877 EXTRACT_32BITS(obj_tptr+4),
878 EXTRACT_32BITS(obj_tptr + 8)));
879 obj_tlen-=12;
880 obj_tptr+=12;
881 break;
882 default:
883 hexdump=TRUE;
884 }
885 break;
886
887 case RSVP_OBJ_STYLE:
888 switch(rsvp_obj_ctype) {
889 case RSVP_CTYPE_1:
890 if (obj_tlen < 4)
891 return-1;
892 ND_PRINT((ndo, "%s Reservation Style: %s, Flags: [0x%02x]",
893 ident,
894 tok2str(rsvp_resstyle_values,
895 "Unknown",
896 EXTRACT_24BITS(obj_tptr+1)),
897 *(obj_tptr)));
898 obj_tlen-=4;
899 obj_tptr+=4;
900 break;
901 default:
902 hexdump=TRUE;
903 }
904 break;
905
906 case RSVP_OBJ_SENDER_TEMPLATE:
907 switch(rsvp_obj_ctype) {
908 case RSVP_CTYPE_IPV4:
909 if (obj_tlen < 8)
910 return-1;
911 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
912 ident,
913 ipaddr_string(obj_tptr),
914 EXTRACT_16BITS(obj_tptr + 6)));
915 obj_tlen-=8;
916 obj_tptr+=8;
917 break;
918 #ifdef INET6
919 case RSVP_CTYPE_IPV6:
920 if (obj_tlen < 20)
921 return-1;
922 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
923 ident,
924 ip6addr_string(obj_tptr),
925 EXTRACT_16BITS(obj_tptr + 18)));
926 obj_tlen-=20;
927 obj_tptr+=20;
928 break;
929 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
930 if (obj_tlen < 40)
931 return-1;
932 ND_PRINT((ndo, "%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
933 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
934 ident,
935 ip6addr_string(obj_tptr),
936 EXTRACT_16BITS(obj_tptr+18),
937 ident,
938 ip6addr_string(obj_tptr+20),
939 EXTRACT_16BITS(obj_tptr + 38)));
940 obj_tlen-=40;
941 obj_tptr+=40;
942 break;
943 #endif
944 case RSVP_CTYPE_TUNNEL_IPV4:
945 if (obj_tlen < 8)
946 return-1;
947 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
948 ident,
949 ipaddr_string(obj_tptr),
950 EXTRACT_16BITS(obj_tptr + 6)));
951 obj_tlen-=8;
952 obj_tptr+=8;
953 break;
954 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
955 if (obj_tlen < 16)
956 return-1;
957 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
958 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
959 ident,
960 ipaddr_string(obj_tptr),
961 EXTRACT_16BITS(obj_tptr+6),
962 ident,
963 ipaddr_string(obj_tptr+8),
964 EXTRACT_16BITS(obj_tptr + 12)));
965 obj_tlen-=16;
966 obj_tptr+=16;
967 break;
968 default:
969 hexdump=TRUE;
970 }
971 break;
972
973 case RSVP_OBJ_LABEL_REQ:
974 switch(rsvp_obj_ctype) {
975 case RSVP_CTYPE_1:
976 while(obj_tlen >= 4 ) {
977 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
978 ident,
979 tok2str(ethertype_values,
980 "Unknown Protocol (0x%04x)",
981 EXTRACT_16BITS(obj_tptr + 2))));
982 obj_tlen-=4;
983 obj_tptr+=4;
984 }
985 break;
986 case RSVP_CTYPE_2:
987 if (obj_tlen < 12)
988 return-1;
989 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
990 ident,
991 tok2str(ethertype_values,
992 "Unknown Protocol (0x%04x)",
993 EXTRACT_16BITS(obj_tptr + 2))));
994 ND_PRINT((ndo, ",%s merge capability",((*(obj_tptr + 4)) & 0x80) ? "no" : "" ));
995 ND_PRINT((ndo, "%s Minimum VPI/VCI: %u/%u",
996 ident,
997 (EXTRACT_16BITS(obj_tptr+4))&0xfff,
998 (EXTRACT_16BITS(obj_tptr + 6)) & 0xfff));
999 ND_PRINT((ndo, "%s Maximum VPI/VCI: %u/%u",
1000 ident,
1001 (EXTRACT_16BITS(obj_tptr+8))&0xfff,
1002 (EXTRACT_16BITS(obj_tptr + 10)) & 0xfff));
1003 obj_tlen-=12;
1004 obj_tptr+=12;
1005 break;
1006 case RSVP_CTYPE_3:
1007 if (obj_tlen < 12)
1008 return-1;
1009 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
1010 ident,
1011 tok2str(ethertype_values,
1012 "Unknown Protocol (0x%04x)",
1013 EXTRACT_16BITS(obj_tptr + 2))));
1014 ND_PRINT((ndo, "%s Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI",
1015 ident,
1016 (EXTRACT_32BITS(obj_tptr+4))&0x7fffff,
1017 (EXTRACT_32BITS(obj_tptr+8))&0x7fffff,
1018 (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "",
1019 (((EXTRACT_16BITS(obj_tptr + 4) >> 7) & 3) == 2 ) ? "23" : ""));
1020 obj_tlen-=12;
1021 obj_tptr+=12;
1022 break;
1023 case RSVP_CTYPE_4:
1024 if (obj_tlen < 4)
1025 return-1;
1026 ND_PRINT((ndo, "%s LSP Encoding Type: %s (%u)",
1027 ident,
1028 tok2str(gmpls_encoding_values,
1029 "Unknown",
1030 *obj_tptr),
1031 *obj_tptr));
1032 ND_PRINT((ndo, "%s Switching Type: %s (%u), Payload ID: %s (0x%04x)",
1033 ident,
1034 tok2str(gmpls_switch_cap_values,
1035 "Unknown",
1036 *(obj_tptr+1)),
1037 *(obj_tptr+1),
1038 tok2str(gmpls_payload_values,
1039 "Unknown",
1040 EXTRACT_16BITS(obj_tptr+2)),
1041 EXTRACT_16BITS(obj_tptr + 2)));
1042 obj_tlen-=4;
1043 obj_tptr+=4;
1044 break;
1045 default:
1046 hexdump=TRUE;
1047 }
1048 break;
1049
1050 case RSVP_OBJ_RRO:
1051 case RSVP_OBJ_ERO:
1052 switch(rsvp_obj_ctype) {
1053 case RSVP_CTYPE_IPV4:
1054 while(obj_tlen >= 4 ) {
1055 ND_PRINT((ndo, "%s Subobject Type: %s, length %u",
1056 ident,
1057 tok2str(rsvp_obj_xro_values,
1058 "Unknown %u",
1059 RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)),
1060 *(obj_tptr + 1)));
1061
1062 if (*(obj_tptr+1) == 0) { /* prevent infinite loops */
1063 ND_PRINT((ndo, "%s ERROR: zero length ERO subtype", ident));
1064 break;
1065 }
1066
1067 switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) {
1068 case RSVP_OBJ_XRO_IPV4:
1069 ND_PRINT((ndo, ", %s, %s/%u, Flags: [%s]",
1070 RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
1071 ipaddr_string(obj_tptr+2),
1072 *(obj_tptr+6),
1073 bittok2str(rsvp_obj_rro_flag_values,
1074 "none",
1075 *(obj_tptr + 7)))); /* rfc3209 says that this field is rsvd. */
1076 break;
1077 case RSVP_OBJ_XRO_LABEL:
1078 ND_PRINT((ndo, ", Flags: [%s] (%#x), Class-Type: %s (%u), %u",
1079 bittok2str(rsvp_obj_rro_label_flag_values,
1080 "none",
1081 *(obj_tptr+2)),
1082 *(obj_tptr+2),
1083 tok2str(rsvp_ctype_values,
1084 "Unknown",
1085 *(obj_tptr+3) + 256*RSVP_OBJ_RRO),
1086 *(obj_tptr+3),
1087 EXTRACT_32BITS(obj_tptr + 4)));
1088 }
1089 obj_tlen-=*(obj_tptr+1);
1090 obj_tptr+=*(obj_tptr+1);
1091 }
1092 break;
1093 default:
1094 hexdump=TRUE;
1095 }
1096 break;
1097
1098 case RSVP_OBJ_HELLO:
1099 switch(rsvp_obj_ctype) {
1100 case RSVP_CTYPE_1:
1101 case RSVP_CTYPE_2:
1102 if (obj_tlen < 8)
1103 return-1;
1104 ND_PRINT((ndo, "%s Source Instance: 0x%08x, Destination Instance: 0x%08x",
1105 ident,
1106 EXTRACT_32BITS(obj_tptr),
1107 EXTRACT_32BITS(obj_tptr + 4)));
1108 obj_tlen-=8;
1109 obj_tptr+=8;
1110 break;
1111 default:
1112 hexdump=TRUE;
1113 }
1114 break;
1115
1116 case RSVP_OBJ_RESTART_CAPABILITY:
1117 switch(rsvp_obj_ctype) {
1118 case RSVP_CTYPE_1:
1119 if (obj_tlen < 8)
1120 return-1;
1121 ND_PRINT((ndo, "%s Restart Time: %ums, Recovery Time: %ums",
1122 ident,
1123 EXTRACT_32BITS(obj_tptr),
1124 EXTRACT_32BITS(obj_tptr + 4)));
1125 obj_tlen-=8;
1126 obj_tptr+=8;
1127 break;
1128 default:
1129 hexdump=TRUE;
1130 }
1131 break;
1132
1133 case RSVP_OBJ_SESSION_ATTRIBUTE:
1134 switch(rsvp_obj_ctype) {
1135 case RSVP_CTYPE_TUNNEL_IPV4:
1136 if (obj_tlen < 4)
1137 return-1;
1138 namelen = *(obj_tptr+3);
1139 if (obj_tlen < 4+namelen)
1140 return-1;
1141 ND_PRINT((ndo, "%s Session Name: ", ident));
1142 for (i = 0; i < namelen; i++)
1143 safeputchar(ndo, *(obj_tptr + 4 + i));
1144 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Flags: [%s] (%#x)",
1145 ident,
1146 (int)*obj_tptr,
1147 (int)*(obj_tptr+1),
1148 bittok2str(rsvp_session_attribute_flag_values,
1149 "none",
1150 *(obj_tptr+2)),
1151 *(obj_tptr + 2)));
1152 obj_tlen-=4+*(obj_tptr+3);
1153 obj_tptr+=4+*(obj_tptr+3);
1154 break;
1155 default:
1156 hexdump=TRUE;
1157 }
1158 break;
1159
1160 case RSVP_OBJ_GENERALIZED_UNI:
1161 switch(rsvp_obj_ctype) {
1162 int subobj_type,af,subobj_len,total_subobj_len;
1163
1164 case RSVP_CTYPE_1:
1165
1166 if (obj_tlen < 4)
1167 return-1;
1168
1169 /* read variable length subobjects */
1170 total_subobj_len = obj_tlen;
1171 while(total_subobj_len > 0) {
1172 subobj_len = EXTRACT_16BITS(obj_tptr);
1173 subobj_type = (EXTRACT_16BITS(obj_tptr+2))>>8;
1174 af = (EXTRACT_16BITS(obj_tptr+2))&0x00FF;
1175
1176 ND_PRINT((ndo, "%s Subobject Type: %s (%u), AF: %s (%u), length: %u",
1177 ident,
1178 tok2str(rsvp_obj_generalized_uni_values, "Unknown", subobj_type),
1179 subobj_type,
1180 tok2str(af_values, "Unknown", af), af,
1181 subobj_len));
1182
1183 switch(subobj_type) {
1184 case RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS:
1185 case RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS:
1186
1187 switch(af) {
1188 case AFNUM_INET:
1189 if (subobj_len < 8)
1190 return -1;
1191 ND_PRINT((ndo, "%s UNI IPv4 TNA address: %s",
1192 ident, ipaddr_string(obj_tptr + 4)));
1193 break;
1194 #ifdef INET6
1195 case AFNUM_INET6:
1196 if (subobj_len < 20)
1197 return -1;
1198 ND_PRINT((ndo, "%s UNI IPv6 TNA address: %s",
1199 ident, ip6addr_string(obj_tptr + 4)));
1200 break;
1201 #endif
1202 case AFNUM_NSAP:
1203 if (subobj_len) {
1204 /* unless we have a TLV parser lets just hexdump */
1205 hexdump=TRUE;
1206 }
1207 break;
1208 }
1209 break;
1210
1211 case RSVP_GEN_UNI_SUBOBJ_DIVERSITY:
1212 if (subobj_len) {
1213 /* unless we have a TLV parser lets just hexdump */
1214 hexdump=TRUE;
1215 }
1216 break;
1217
1218 case RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL:
1219 if (subobj_len < 16) {
1220 return -1;
1221 }
1222
1223 ND_PRINT((ndo, "%s U-bit: %x, Label type: %u, Logical port id: %u, Label: %u",
1224 ident,
1225 ((EXTRACT_32BITS(obj_tptr+4))>>31),
1226 ((EXTRACT_32BITS(obj_tptr+4))&0xFF),
1227 EXTRACT_32BITS(obj_tptr+8),
1228 EXTRACT_32BITS(obj_tptr + 12)));
1229 break;
1230
1231 case RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL:
1232 if (subobj_len < 8) {
1233 return -1;
1234 }
1235
1236 ND_PRINT((ndo, "%s Service level: %u",
1237 ident, (EXTRACT_32BITS(obj_tptr + 4)) >> 24));
1238 break;
1239
1240 default:
1241 hexdump=TRUE;
1242 break;
1243 }
1244 total_subobj_len-=subobj_len;
1245 obj_tptr+=subobj_len;
1246 obj_tlen+=subobj_len;
1247 }
1248
1249 if (total_subobj_len) {
1250 /* unless we have a TLV parser lets just hexdump */
1251 hexdump=TRUE;
1252 }
1253 break;
1254
1255 default:
1256 hexdump=TRUE;
1257 }
1258 break;
1259
1260 case RSVP_OBJ_RSVP_HOP:
1261 switch(rsvp_obj_ctype) {
1262 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1263 case RSVP_CTYPE_IPV4:
1264 if (obj_tlen < 8)
1265 return-1;
1266 ND_PRINT((ndo, "%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1267 ident,
1268 ipaddr_string(obj_tptr),
1269 EXTRACT_32BITS(obj_tptr + 4)));
1270 obj_tlen-=8;
1271 obj_tptr+=8;
1272 if (obj_tlen)
1273 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1274 break;
1275 #ifdef INET6
1276 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1277 case RSVP_CTYPE_IPV6:
1278 if (obj_tlen < 20)
1279 return-1;
1280 ND_PRINT((ndo, "%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1281 ident,
1282 ip6addr_string(obj_tptr),
1283 EXTRACT_32BITS(obj_tptr + 16)));
1284 obj_tlen-=20;
1285 obj_tptr+=20;
1286 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1287 break;
1288 #endif
1289 default:
1290 hexdump=TRUE;
1291 }
1292 break;
1293
1294 case RSVP_OBJ_TIME_VALUES:
1295 switch(rsvp_obj_ctype) {
1296 case RSVP_CTYPE_1:
1297 if (obj_tlen < 4)
1298 return-1;
1299 ND_PRINT((ndo, "%s Refresh Period: %ums",
1300 ident,
1301 EXTRACT_32BITS(obj_tptr)));
1302 obj_tlen-=4;
1303 obj_tptr+=4;
1304 break;
1305 default:
1306 hexdump=TRUE;
1307 }
1308 break;
1309
1310 /* those three objects do share the same semantics */
1311 case RSVP_OBJ_SENDER_TSPEC:
1312 case RSVP_OBJ_ADSPEC:
1313 case RSVP_OBJ_FLOWSPEC:
1314 switch(rsvp_obj_ctype) {
1315 case RSVP_CTYPE_2:
1316 if (obj_tlen < 4)
1317 return-1;
1318 ND_PRINT((ndo, "%s Msg-Version: %u, length: %u",
1319 ident,
1320 (*obj_tptr & 0xf0) >> 4,
1321 EXTRACT_16BITS(obj_tptr + 2) << 2));
1322 obj_tptr+=4; /* get to the start of the service header */
1323 obj_tlen-=4;
1324
1325 while (obj_tlen >= 4) {
1326 intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
1327 ND_PRINT((ndo, "%s Service Type: %s (%u), break bit %s set, Service length: %u",
1328 ident,
1329 tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)),
1330 *(obj_tptr),
1331 (*(obj_tptr+1)&0x80) ? "" : "not",
1332 intserv_serv_tlen));
1333
1334 obj_tptr+=4; /* get to the start of the parameter list */
1335 obj_tlen-=4;
1336
1337 while (intserv_serv_tlen>=4) {
1338 processed = rsvp_intserv_print(ndo, obj_tptr, obj_tlen);
1339 if (processed == 0)
1340 break;
1341 obj_tlen-=processed;
1342 intserv_serv_tlen-=processed;
1343 obj_tptr+=processed;
1344 }
1345 }
1346 break;
1347 default:
1348 hexdump=TRUE;
1349 }
1350 break;
1351
1352 case RSVP_OBJ_FILTERSPEC:
1353 switch(rsvp_obj_ctype) {
1354 case RSVP_CTYPE_IPV4:
1355 if (obj_tlen < 8)
1356 return-1;
1357 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
1358 ident,
1359 ipaddr_string(obj_tptr),
1360 EXTRACT_16BITS(obj_tptr + 6)));
1361 obj_tlen-=8;
1362 obj_tptr+=8;
1363 break;
1364 #ifdef INET6
1365 case RSVP_CTYPE_IPV6:
1366 if (obj_tlen < 20)
1367 return-1;
1368 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
1369 ident,
1370 ip6addr_string(obj_tptr),
1371 EXTRACT_16BITS(obj_tptr + 18)));
1372 obj_tlen-=20;
1373 obj_tptr+=20;
1374 break;
1375 case RSVP_CTYPE_3:
1376 if (obj_tlen < 20)
1377 return-1;
1378 ND_PRINT((ndo, "%s Source Address: %s, Flow Label: %u",
1379 ident,
1380 ip6addr_string(obj_tptr),
1381 EXTRACT_24BITS(obj_tptr + 17)));
1382 obj_tlen-=20;
1383 obj_tptr+=20;
1384 break;
1385 case RSVP_CTYPE_TUNNEL_IPV6:
1386 if (obj_tlen < 20)
1387 return-1;
1388 ND_PRINT((ndo, "%s Source Address: %s, LSP-ID: 0x%04x",
1389 ident,
1390 ipaddr_string(obj_tptr),
1391 EXTRACT_16BITS(obj_tptr + 18)));
1392 obj_tlen-=20;
1393 obj_tptr+=20;
1394 break;
1395 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
1396 if (obj_tlen < 40)
1397 return-1;
1398 ND_PRINT((ndo, "%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
1399 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
1400 ident,
1401 ip6addr_string(obj_tptr),
1402 EXTRACT_16BITS(obj_tptr+18),
1403 ident,
1404 ip6addr_string(obj_tptr+20),
1405 EXTRACT_16BITS(obj_tptr + 38)));
1406 obj_tlen-=40;
1407 obj_tptr+=40;
1408 break;
1409 #endif
1410 case RSVP_CTYPE_TUNNEL_IPV4:
1411 if (obj_tlen < 8)
1412 return-1;
1413 ND_PRINT((ndo, "%s Source Address: %s, LSP-ID: 0x%04x",
1414 ident,
1415 ipaddr_string(obj_tptr),
1416 EXTRACT_16BITS(obj_tptr + 6)));
1417 obj_tlen-=8;
1418 obj_tptr+=8;
1419 break;
1420 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
1421 if (obj_tlen < 16)
1422 return-1;
1423 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
1424 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
1425 ident,
1426 ipaddr_string(obj_tptr),
1427 EXTRACT_16BITS(obj_tptr+6),
1428 ident,
1429 ipaddr_string(obj_tptr+8),
1430 EXTRACT_16BITS(obj_tptr + 12)));
1431 obj_tlen-=16;
1432 obj_tptr+=16;
1433 break;
1434 default:
1435 hexdump=TRUE;
1436 }
1437 break;
1438
1439 case RSVP_OBJ_FASTREROUTE:
1440 /* the differences between c-type 1 and 7 are minor */
1441 obj_ptr.rsvp_obj_frr = (const struct rsvp_obj_frr_t *)obj_tptr;
1442 bw.i = EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->bandwidth);
1443
1444 switch(rsvp_obj_ctype) {
1445 case RSVP_CTYPE_1: /* new style */
1446 if (obj_tlen < sizeof(struct rsvp_obj_frr_t))
1447 return-1;
1448 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1449 ident,
1450 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1451 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1452 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1453 bw.f * 8 / 1000000));
1454 ND_PRINT((ndo, "%s Include-any: 0x%08x, Exclude-any: 0x%08x, Include-all: 0x%08x",
1455 ident,
1456 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1457 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any),
1458 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_all)));
1459 obj_tlen-=sizeof(struct rsvp_obj_frr_t);
1460 obj_tptr+=sizeof(struct rsvp_obj_frr_t);
1461 break;
1462
1463 case RSVP_CTYPE_TUNNEL_IPV4: /* old style */
1464 if (obj_tlen < 16)
1465 return-1;
1466 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1467 ident,
1468 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1469 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1470 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1471 bw.f * 8 / 1000000));
1472 ND_PRINT((ndo, "%s Include Colors: 0x%08x, Exclude Colors: 0x%08x",
1473 ident,
1474 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1475 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any)));
1476 obj_tlen-=16;
1477 obj_tptr+=16;
1478 break;
1479
1480 default:
1481 hexdump=TRUE;
1482 }
1483 break;
1484
1485 case RSVP_OBJ_DETOUR:
1486 switch(rsvp_obj_ctype) {
1487 case RSVP_CTYPE_TUNNEL_IPV4:
1488 while(obj_tlen >= 8) {
1489 ND_PRINT((ndo, "%s PLR-ID: %s, Avoid-Node-ID: %s",
1490 ident,
1491 ipaddr_string(obj_tptr),
1492 ipaddr_string(obj_tptr + 4)));
1493 obj_tlen-=8;
1494 obj_tptr+=8;
1495 }
1496 break;
1497 default:
1498 hexdump=TRUE;
1499 }
1500 break;
1501
1502 case RSVP_OBJ_CLASSTYPE:
1503 case RSVP_OBJ_CLASSTYPE_OLD: /* fall through */
1504 switch(rsvp_obj_ctype) {
1505 case RSVP_CTYPE_1:
1506 ND_PRINT((ndo, "%s CT: %u",
1507 ident,
1508 EXTRACT_32BITS(obj_tptr) & 0x7));
1509 obj_tlen-=4;
1510 obj_tptr+=4;
1511 break;
1512 default:
1513 hexdump=TRUE;
1514 }
1515 break;
1516
1517 case RSVP_OBJ_ERROR_SPEC:
1518 switch(rsvp_obj_ctype) {
1519 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1520 case RSVP_CTYPE_IPV4:
1521 if (obj_tlen < 8)
1522 return-1;
1523 error_code=*(obj_tptr+5);
1524 error_value=EXTRACT_16BITS(obj_tptr+6);
1525 ND_PRINT((ndo, "%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1526 ident,
1527 ipaddr_string(obj_tptr),
1528 *(obj_tptr+4),
1529 ident,
1530 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1531 error_code));
1532 switch (error_code) {
1533 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1534 ND_PRINT((ndo, ", Error Value: %s (%u)",
1535 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1536 error_value));
1537 break;
1538 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE: /* fall through */
1539 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD:
1540 ND_PRINT((ndo, ", Error Value: %s (%u)",
1541 tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value),
1542 error_value));
1543 break;
1544 default:
1545 ND_PRINT((ndo, ", Unknown Error Value (%u)", error_value));
1546 break;
1547 }
1548 obj_tlen-=8;
1549 obj_tptr+=8;
1550 break;
1551 #ifdef INET6
1552 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1553 case RSVP_CTYPE_IPV6:
1554 if (obj_tlen < 20)
1555 return-1;
1556 error_code=*(obj_tptr+17);
1557 error_value=EXTRACT_16BITS(obj_tptr+18);
1558 ND_PRINT((ndo, "%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1559 ident,
1560 ip6addr_string(obj_tptr),
1561 *(obj_tptr+16),
1562 ident,
1563 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1564 error_code));
1565
1566 switch (error_code) {
1567 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1568 ND_PRINT((ndo, ", Error Value: %s (%u)",
1569 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1570 error_value));
1571 break;
1572 default:
1573 break;
1574 }
1575 obj_tlen-=20;
1576 obj_tptr+=20;
1577 break;
1578 #endif
1579 default:
1580 hexdump=TRUE;
1581 }
1582 break;
1583
1584 case RSVP_OBJ_PROPERTIES:
1585 switch(rsvp_obj_ctype) {
1586 case RSVP_CTYPE_1:
1587 if (obj_tlen < 4)
1588 return-1;
1589 padbytes = EXTRACT_16BITS(obj_tptr+2);
1590 ND_PRINT((ndo, "%s TLV count: %u, padding bytes: %u",
1591 ident,
1592 EXTRACT_16BITS(obj_tptr),
1593 padbytes));
1594 obj_tlen-=4;
1595 obj_tptr+=4;
1596 /* loop through as long there is anything longer than the TLV header (2) */
1597 while(obj_tlen >= 2 + padbytes) {
1598 ND_PRINT((ndo, "%s %s TLV (0x%02x), length: %u", /* length includes header */
1599 ident,
1600 tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
1601 *obj_tptr,
1602 *(obj_tptr + 1)));
1603 if (obj_tlen < *(obj_tptr+1))
1604 return-1;
1605 if (*(obj_tptr+1) < 2)
1606 return -1;
1607 print_unknown_data(ndo, obj_tptr + 2, "\n\t\t", *(obj_tptr + 1) - 2);
1608 obj_tlen-=*(obj_tptr+1);
1609 obj_tptr+=*(obj_tptr+1);
1610 }
1611 break;
1612 default:
1613 hexdump=TRUE;
1614 }
1615 break;
1616
1617 case RSVP_OBJ_MESSAGE_ID: /* fall through */
1618 case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */
1619 case RSVP_OBJ_MESSAGE_ID_LIST:
1620 switch(rsvp_obj_ctype) {
1621 case RSVP_CTYPE_1:
1622 case RSVP_CTYPE_2:
1623 if (obj_tlen < 8)
1624 return-1;
1625 ND_PRINT((ndo, "%s Flags [0x%02x], epoch: %u",
1626 ident,
1627 *obj_tptr,
1628 EXTRACT_24BITS(obj_tptr + 1)));
1629 obj_tlen-=4;
1630 obj_tptr+=4;
1631 /* loop through as long there are no messages left */
1632 while(obj_tlen >= 4) {
1633 ND_PRINT((ndo, "%s Message-ID 0x%08x (%u)",
1634 ident,
1635 EXTRACT_32BITS(obj_tptr),
1636 EXTRACT_32BITS(obj_tptr)));
1637 obj_tlen-=4;
1638 obj_tptr+=4;
1639 }
1640 break;
1641 default:
1642 hexdump=TRUE;
1643 }
1644 break;
1645
1646 case RSVP_OBJ_INTEGRITY:
1647 switch(rsvp_obj_ctype) {
1648 case RSVP_CTYPE_1:
1649 if (obj_tlen < sizeof(struct rsvp_obj_integrity_t))
1650 return-1;
1651 obj_ptr.rsvp_obj_integrity = (const struct rsvp_obj_integrity_t *)obj_tptr;
1652 ND_PRINT((ndo, "%s Key-ID 0x%04x%08x, Sequence 0x%08x%08x, Flags [%s]",
1653 ident,
1654 EXTRACT_16BITS(obj_ptr.rsvp_obj_integrity->key_id),
1655 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->key_id+2),
1656 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence),
1657 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence+4),
1658 bittok2str(rsvp_obj_integrity_flag_values,
1659 "none",
1660 obj_ptr.rsvp_obj_integrity->flags)));
1661 ND_PRINT((ndo, "%s MD5-sum 0x%08x%08x%08x%08x ",
1662 ident,
1663 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest),
1664 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+4),
1665 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+8),
1666 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest + 12)));
1667
1668 #ifdef HAVE_LIBCRYPTO
1669 sigcheck = signature_verify(pptr, plen, (unsigned char *)obj_ptr.\
1670 rsvp_obj_integrity->digest);
1671 #else
1672 sigcheck = CANT_CHECK_SIGNATURE;
1673 #endif
1674 ND_PRINT((ndo, " (%s)", tok2str(signature_check_values, "Unknown", sigcheck)));
1675
1676 obj_tlen+=sizeof(struct rsvp_obj_integrity_t);
1677 obj_tptr+=sizeof(struct rsvp_obj_integrity_t);
1678 break;
1679 default:
1680 hexdump=TRUE;
1681 }
1682 break;
1683
1684 case RSVP_OBJ_ADMIN_STATUS:
1685 switch(rsvp_obj_ctype) {
1686 case RSVP_CTYPE_1:
1687 if (obj_tlen < 4)
1688 return-1;
1689 ND_PRINT((ndo, "%s Flags [%s]", ident,
1690 bittok2str(rsvp_obj_admin_status_flag_values, "none",
1691 EXTRACT_32BITS(obj_tptr))));
1692 obj_tlen-=4;
1693 obj_tptr+=4;
1694 break;
1695 default:
1696 hexdump=TRUE;
1697 }
1698 break;
1699
1700 case RSVP_OBJ_LABEL_SET:
1701 switch(rsvp_obj_ctype) {
1702 case RSVP_CTYPE_1:
1703 if (obj_tlen < 4)
1704 return-1;
1705 action = (EXTRACT_16BITS(obj_tptr)>>8);
1706
1707 ND_PRINT((ndo, "%s Action: %s (%u), Label type: %u", ident,
1708 tok2str(rsvp_obj_label_set_action_values, "Unknown", action),
1709 action, ((EXTRACT_32BITS(obj_tptr) & 0x7F))));
1710
1711 switch (action) {
1712 case LABEL_SET_INCLUSIVE_RANGE:
1713 case LABEL_SET_EXCLUSIVE_RANGE: /* fall through */
1714
1715 /* only a couple of subchannels are expected */
1716 if (obj_tlen < 12)
1717 return -1;
1718 ND_PRINT((ndo, "%s Start range: %u, End range: %u", ident,
1719 EXTRACT_32BITS(obj_tptr+4),
1720 EXTRACT_32BITS(obj_tptr + 8)));
1721 obj_tlen-=12;
1722 obj_tptr+=12;
1723 break;
1724
1725 default:
1726 obj_tlen-=4;
1727 obj_tptr+=4;
1728 subchannel = 1;
1729 while(obj_tlen >= 4 ) {
1730 ND_PRINT((ndo, "%s Subchannel #%u: %u", ident, subchannel,
1731 EXTRACT_32BITS(obj_tptr)));
1732 obj_tptr+=4;
1733 obj_tlen-=4;
1734 subchannel++;
1735 }
1736 break;
1737 }
1738 break;
1739 default:
1740 hexdump=TRUE;
1741 }
1742
1743 case RSVP_OBJ_S2L:
1744 switch (rsvp_obj_ctype) {
1745 case RSVP_CTYPE_IPV4:
1746 if (obj_tlen < 4)
1747 return-1;
1748 ND_PRINT((ndo, "%s Sub-LSP destination address: %s",
1749 ident, ipaddr_string(obj_tptr)));
1750
1751 obj_tlen-=4;
1752 obj_tptr+=4;
1753 break;
1754 #ifdef INET6
1755 case RSVP_CTYPE_IPV6:
1756 if (obj_tlen < 16)
1757 return-1;
1758 ND_PRINT((ndo, "%s Sub-LSP destination address: %s",
1759 ident, ip6addr_string(obj_tptr)));
1760
1761 obj_tlen-=16;
1762 obj_tptr+=16;
1763 break;
1764 #endif
1765 default:
1766 hexdump=TRUE;
1767 }
1768
1769 /*
1770 * FIXME those are the defined objects that lack a decoder
1771 * you are welcome to contribute code ;-)
1772 */
1773
1774 case RSVP_OBJ_SCOPE:
1775 case RSVP_OBJ_POLICY_DATA:
1776 case RSVP_OBJ_ACCEPT_LABEL_SET:
1777 case RSVP_OBJ_PROTECTION:
1778 default:
1779 if (ndo->ndo_vflag <= 1)
1780 print_unknown_data(ndo, obj_tptr, "\n\t ", obj_tlen); /* FIXME indentation */
1781 break;
1782 }
1783 /* do we also want to see a hex dump ? */
1784 if (ndo->ndo_vflag > 1 || hexdump == TRUE)
1785 print_unknown_data(ndo, tptr + sizeof(struct rsvp_object_header), "\n\t ", /* FIXME indentation */
1786 rsvp_obj_len - sizeof(struct rsvp_object_header));
1787
1788 tptr+=rsvp_obj_len;
1789 tlen-=rsvp_obj_len;
1790 }
1791 return 0;
1792 trunc:
1793 ND_PRINT((ndo, "\n\t\t packet exceeded snapshot"));
1794 return -1;
1795 }
1796
1797 void
1798 rsvp_print(netdissect_options *ndo,
1799 register const u_char *pptr, register u_int len) {
1800
1801 struct rsvp_common_header *rsvp_com_header;
1802 const u_char *tptr,*subtptr;
1803 u_short plen, tlen, subtlen;
1804
1805 tptr=pptr;
1806
1807 rsvp_com_header = (struct rsvp_common_header *)pptr;
1808 ND_TCHECK(*rsvp_com_header);
1809
1810 /*
1811 * Sanity checking of the header.
1812 */
1813 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1814 ND_PRINT((ndo, "ERROR: RSVP version %u packet not supported",
1815 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)));
1816 return;
1817 }
1818
1819 /* in non-verbose mode just lets print the basic Message Type*/
1820 if (ndo->ndo_vflag < 1) {
1821 ND_PRINT((ndo, "RSVPv%u %s Message, length: %u",
1822 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1823 tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
1824 len));
1825 return;
1826 }
1827
1828 /* ok they seem to want to know everything - lets fully decode it */
1829
1830 plen = tlen = EXTRACT_16BITS(rsvp_com_header->length);
1831
1832 ND_PRINT((ndo, "\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1833 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1834 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1835 rsvp_com_header->msg_type,
1836 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1837 tlen,
1838 rsvp_com_header->ttl,
1839 EXTRACT_16BITS(rsvp_com_header->checksum)));
1840
1841 /*
1842 * Clear checksum prior to signature verification.
1843 */
1844 rsvp_com_header->checksum[0] = 0;
1845 rsvp_com_header->checksum[1] = 0;
1846
1847 if (tlen < sizeof(const struct rsvp_common_header)) {
1848 ND_PRINT((ndo, "ERROR: common header too short %u < %lu", tlen,
1849 (unsigned long)sizeof(const struct rsvp_common_header)));
1850 return;
1851 }
1852
1853 tptr+=sizeof(const struct rsvp_common_header);
1854 tlen-=sizeof(const struct rsvp_common_header);
1855
1856 switch(rsvp_com_header->msg_type) {
1857
1858 case RSVP_MSGTYPE_AGGREGATE:
1859 while(tlen > 0) {
1860 subtptr=tptr;
1861 rsvp_com_header = (struct rsvp_common_header *)subtptr;
1862 ND_TCHECK(*rsvp_com_header);
1863
1864 /*
1865 * Sanity checking of the header.
1866 */
1867 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1868 ND_PRINT((ndo, "ERROR: RSVP version %u packet not supported",
1869 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)));
1870 return;
1871 }
1872 subtlen=EXTRACT_16BITS(rsvp_com_header->length);
1873
1874 ND_PRINT((ndo, "\n\t RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1875 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1876 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1877 rsvp_com_header->msg_type,
1878 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1879 subtlen,
1880 rsvp_com_header->ttl,
1881 EXTRACT_16BITS(rsvp_com_header->checksum)));
1882
1883 /*
1884 * Clear checksum prior to signature verification.
1885 */
1886 rsvp_com_header->checksum[0] = 0;
1887 rsvp_com_header->checksum[1] = 0;
1888
1889 if (subtlen < sizeof(const struct rsvp_common_header)) {
1890 ND_PRINT((ndo, "ERROR: common header too short %u < %lu", subtlen,
1891 (unsigned long)sizeof(const struct rsvp_common_header)));
1892 return;
1893 }
1894
1895 if (tlen < subtlen) {
1896 ND_PRINT((ndo, "ERROR: common header too large %u > %u", subtlen,
1897 tlen));
1898 return;
1899 }
1900
1901 subtptr+=sizeof(const struct rsvp_common_header);
1902 subtlen-=sizeof(const struct rsvp_common_header);
1903
1904 if (rsvp_obj_print(ndo, pptr, plen, subtptr, "\n\t ", subtlen) == -1)
1905 return;
1906
1907 tptr+=subtlen+sizeof(const struct rsvp_common_header);
1908 tlen-=subtlen+sizeof(const struct rsvp_common_header);
1909 }
1910
1911 break;
1912
1913 case RSVP_MSGTYPE_PATH:
1914 case RSVP_MSGTYPE_RESV:
1915 case RSVP_MSGTYPE_PATHERR:
1916 case RSVP_MSGTYPE_RESVERR:
1917 case RSVP_MSGTYPE_PATHTEAR:
1918 case RSVP_MSGTYPE_RESVTEAR:
1919 case RSVP_MSGTYPE_RESVCONF:
1920 case RSVP_MSGTYPE_HELLO_OLD:
1921 case RSVP_MSGTYPE_HELLO:
1922 case RSVP_MSGTYPE_ACK:
1923 case RSVP_MSGTYPE_SREFRESH:
1924 if (rsvp_obj_print(ndo, pptr, plen, tptr, "\n\t ", tlen) == -1)
1925 return;
1926 break;
1927
1928 default:
1929 print_unknown_data(ndo, tptr, "\n\t ", tlen);
1930 break;
1931 }
1932
1933 return;
1934 trunc:
1935 ND_PRINT((ndo, "\n\t\t packet exceeded snapshot"));
1936 }
[mirror] the TCPdump network dissector