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