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