]> The Tcpdump Group git mirrors - tcpdump/blob - print-rsvp.c
projects / tcpdump / blob
summary | shortlog | log | commit | commitdiff | tree
history | raw | HEAD
Change istr[] (for invalid string) to be global
[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
34 /*
35 * RFC 2205 common header
36 *
37 * 0 1 2 3
38 * +-------------+-------------+-------------+-------------+
39 * | Vers | Flags| Msg Type | RSVP Checksum |
40 * +-------------+-------------+-------------+-------------+
41 * | Send_TTL | (Reserved) | RSVP Length |
42 * +-------------+-------------+-------------+-------------+
43 *
44 */
45
46 struct rsvp_common_header {
47 uint8_t version_flags;
48 uint8_t msg_type;
49 uint8_t checksum[2];
50 uint8_t ttl;
51 uint8_t reserved;
52 uint8_t length[2];
53 };
54
55 /*
56 * RFC2205 object header
57 *
58 *
59 * 0 1 2 3
60 * +-------------+-------------+-------------+-------------+
61 * | Length (bytes) | Class-Num | C-Type |
62 * +-------------+-------------+-------------+-------------+
63 * | |
64 * // (Object contents) //
65 * | |
66 * +-------------+-------------+-------------+-------------+
67 */
68
69 struct rsvp_object_header {
70 uint8_t length[2];
71 uint8_t class_num;
72 uint8_t ctype;
73 };
74
75 #define RSVP_VERSION 1
76 #define RSVP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
77 #define RSVP_EXTRACT_FLAGS(x) ((x)&0x0f)
78
79 #define RSVP_MSGTYPE_PATH 1
80 #define RSVP_MSGTYPE_RESV 2
81 #define RSVP_MSGTYPE_PATHERR 3
82 #define RSVP_MSGTYPE_RESVERR 4
83 #define RSVP_MSGTYPE_PATHTEAR 5
84 #define RSVP_MSGTYPE_RESVTEAR 6
85 #define RSVP_MSGTYPE_RESVCONF 7
86 #define RSVP_MSGTYPE_BUNDLE 12
87 #define RSVP_MSGTYPE_ACK 13
88 #define RSVP_MSGTYPE_HELLO_OLD 14 /* ancient Hellos */
89 #define RSVP_MSGTYPE_SREFRESH 15
90 #define RSVP_MSGTYPE_HELLO 20
91
92 static const struct tok rsvp_msg_type_values[] = {
93 { RSVP_MSGTYPE_PATH, "Path" },
94 { RSVP_MSGTYPE_RESV, "Resv" },
95 { RSVP_MSGTYPE_PATHERR, "PathErr" },
96 { RSVP_MSGTYPE_RESVERR, "ResvErr" },
97 { RSVP_MSGTYPE_PATHTEAR, "PathTear" },
98 { RSVP_MSGTYPE_RESVTEAR, "ResvTear" },
99 { RSVP_MSGTYPE_RESVCONF, "ResvConf" },
100 { RSVP_MSGTYPE_BUNDLE, "Bundle" },
101 { RSVP_MSGTYPE_ACK, "Acknowledgement" },
102 { RSVP_MSGTYPE_HELLO_OLD, "Hello (Old)" },
103 { RSVP_MSGTYPE_SREFRESH, "Refresh" },
104 { RSVP_MSGTYPE_HELLO, "Hello" },
105 { 0, NULL}
106 };
107
108 static const struct tok rsvp_header_flag_values[] = {
109 { 0x01, "Refresh reduction capable" }, /* rfc2961 */
110 { 0, NULL}
111 };
112
113 #define RSVP_OBJ_SESSION 1 /* rfc2205 */
114 #define RSVP_OBJ_RSVP_HOP 3 /* rfc2205, rfc3473 */
115 #define RSVP_OBJ_INTEGRITY 4 /* rfc2747 */
116 #define RSVP_OBJ_TIME_VALUES 5 /* rfc2205 */
117 #define RSVP_OBJ_ERROR_SPEC 6
118 #define RSVP_OBJ_SCOPE 7
119 #define RSVP_OBJ_STYLE 8 /* rfc2205 */
120 #define RSVP_OBJ_FLOWSPEC 9 /* rfc2215 */
121 #define RSVP_OBJ_FILTERSPEC 10 /* rfc2215 */
122 #define RSVP_OBJ_SENDER_TEMPLATE 11
123 #define RSVP_OBJ_SENDER_TSPEC 12 /* rfc2215 */
124 #define RSVP_OBJ_ADSPEC 13 /* rfc2215 */
125 #define RSVP_OBJ_POLICY_DATA 14
126 #define RSVP_OBJ_CONFIRM 15 /* rfc2205 */
127 #define RSVP_OBJ_LABEL 16 /* rfc3209 */
128 #define RSVP_OBJ_LABEL_REQ 19 /* rfc3209 */
129 #define RSVP_OBJ_ERO 20 /* rfc3209 */
130 #define RSVP_OBJ_RRO 21 /* rfc3209 */
131 #define RSVP_OBJ_HELLO 22 /* rfc3209 */
132 #define RSVP_OBJ_MESSAGE_ID 23 /* rfc2961 */
133 #define RSVP_OBJ_MESSAGE_ID_ACK 24 /* rfc2961 */
134 #define RSVP_OBJ_MESSAGE_ID_LIST 25 /* rfc2961 */
135 #define RSVP_OBJ_RECOVERY_LABEL 34 /* rfc3473 */
136 #define RSVP_OBJ_UPSTREAM_LABEL 35 /* rfc3473 */
137 #define RSVP_OBJ_LABEL_SET 36 /* rfc3473 */
138 #define RSVP_OBJ_PROTECTION 37 /* rfc3473 */
139 #define RSVP_OBJ_S2L 50 /* rfc4875 */
140 #define RSVP_OBJ_DETOUR 63 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */
141 #define RSVP_OBJ_CLASSTYPE 66 /* rfc4124 */
142 #define RSVP_OBJ_CLASSTYPE_OLD 125 /* draft-ietf-tewg-diff-te-proto-07 */
143 #define RSVP_OBJ_SUGGESTED_LABEL 129 /* rfc3473 */
144 #define RSVP_OBJ_ACCEPT_LABEL_SET 130 /* rfc3473 */
145 #define RSVP_OBJ_RESTART_CAPABILITY 131 /* rfc3473 */
146 #define RSVP_OBJ_NOTIFY_REQ 195 /* rfc3473 */
147 #define RSVP_OBJ_ADMIN_STATUS 196 /* rfc3473 */
148 #define RSVP_OBJ_PROPERTIES 204 /* juniper proprietary */
149 #define RSVP_OBJ_FASTREROUTE 205 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */
150 #define RSVP_OBJ_SESSION_ATTRIBUTE 207 /* rfc3209 */
151 #define RSVP_OBJ_GENERALIZED_UNI 229 /* OIF RSVP extensions UNI 1.0 Signaling, Rel. 2 */
152 #define RSVP_OBJ_CALL_ID 230 /* rfc3474 */
153 #define RSVP_OBJ_CALL_OPS 236 /* rfc3474 */
154
155 static const struct tok rsvp_obj_values[] = {
156 { RSVP_OBJ_SESSION, "Session" },
157 { RSVP_OBJ_RSVP_HOP, "RSVP Hop" },
158 { RSVP_OBJ_INTEGRITY, "Integrity" },
159 { RSVP_OBJ_TIME_VALUES, "Time Values" },
160 { RSVP_OBJ_ERROR_SPEC, "Error Spec" },
161 { RSVP_OBJ_SCOPE, "Scope" },
162 { RSVP_OBJ_STYLE, "Style" },
163 { RSVP_OBJ_FLOWSPEC, "Flowspec" },
164 { RSVP_OBJ_FILTERSPEC, "FilterSpec" },
165 { RSVP_OBJ_SENDER_TEMPLATE, "Sender Template" },
166 { RSVP_OBJ_SENDER_TSPEC, "Sender TSpec" },
167 { RSVP_OBJ_ADSPEC, "Adspec" },
168 { RSVP_OBJ_POLICY_DATA, "Policy Data" },
169 { RSVP_OBJ_CONFIRM, "Confirm" },
170 { RSVP_OBJ_LABEL, "Label" },
171 { RSVP_OBJ_LABEL_REQ, "Label Request" },
172 { RSVP_OBJ_ERO, "ERO" },
173 { RSVP_OBJ_RRO, "RRO" },
174 { RSVP_OBJ_HELLO, "Hello" },
175 { RSVP_OBJ_MESSAGE_ID, "Message ID" },
176 { RSVP_OBJ_MESSAGE_ID_ACK, "Message ID Ack" },
177 { RSVP_OBJ_MESSAGE_ID_LIST, "Message ID List" },
178 { RSVP_OBJ_RECOVERY_LABEL, "Recovery Label" },
179 { RSVP_OBJ_UPSTREAM_LABEL, "Upstream Label" },
180 { RSVP_OBJ_LABEL_SET, "Label Set" },
181 { RSVP_OBJ_ACCEPT_LABEL_SET, "Acceptable Label Set" },
182 { RSVP_OBJ_DETOUR, "Detour" },
183 { RSVP_OBJ_CLASSTYPE, "Class Type" },
184 { RSVP_OBJ_CLASSTYPE_OLD, "Class Type (old)" },
185 { RSVP_OBJ_SUGGESTED_LABEL, "Suggested Label" },
186 { RSVP_OBJ_PROPERTIES, "Properties" },
187 { RSVP_OBJ_FASTREROUTE, "Fast Re-Route" },
188 { RSVP_OBJ_SESSION_ATTRIBUTE, "Session Attribute" },
189 { RSVP_OBJ_GENERALIZED_UNI, "Generalized UNI" },
190 { RSVP_OBJ_CALL_ID, "Call-ID" },
191 { RSVP_OBJ_CALL_OPS, "Call Capability" },
192 { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" },
193 { RSVP_OBJ_NOTIFY_REQ, "Notify Request" },
194 { RSVP_OBJ_PROTECTION, "Protection" },
195 { RSVP_OBJ_ADMIN_STATUS, "Administrative Status" },
196 { RSVP_OBJ_S2L, "Sub-LSP to LSP" },
197 { 0, NULL}
198 };
199
200 #define RSVP_CTYPE_IPV4 1
201 #define RSVP_CTYPE_IPV6 2
202 #define RSVP_CTYPE_TUNNEL_IPV4 7
203 #define RSVP_CTYPE_TUNNEL_IPV6 8
204 #define RSVP_CTYPE_UNI_IPV4 11 /* OIF RSVP extensions UNI 1.0 Signaling Rel. 2 */
205 #define RSVP_CTYPE_1 1
206 #define RSVP_CTYPE_2 2
207 #define RSVP_CTYPE_3 3
208 #define RSVP_CTYPE_4 4
209 #define RSVP_CTYPE_12 12
210 #define RSVP_CTYPE_13 13
211 #define RSVP_CTYPE_14 14
212
213 /*
214 * the ctypes are not globally unique so for
215 * translating it to strings we build a table based
216 * on objects offsetted by the ctype
217 */
218
219 static const struct tok rsvp_ctype_values[] = {
220 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV4, "IPv4" },
221 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV6, "IPv6" },
222 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
223 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
224 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV4, "IPv4" },
225 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV6, "IPv6" },
226 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV4, "IPv4" },
227 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV6, "IPv6" },
228 { 256*RSVP_OBJ_TIME_VALUES+RSVP_CTYPE_1, "1" },
229 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_1, "obsolete" },
230 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_2, "IntServ" },
231 { 256*RSVP_OBJ_SENDER_TSPEC+RSVP_CTYPE_2, "IntServ" },
232 { 256*RSVP_OBJ_ADSPEC+RSVP_CTYPE_2, "IntServ" },
233 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV4, "IPv4" },
234 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6, "IPv6" },
235 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3, "IPv6 Flow-label" },
236 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
237 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" },
238 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" },
239 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4, "IPv4" },
240 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6, "IPv6" },
241 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
242 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_UNI_IPV4, "UNI IPv4" },
243 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_13, "IPv4 P2MP LSP Tunnel" },
244 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_14, "IPv6 P2MP LSP Tunnel" },
245 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV4, "IPv4" },
246 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6, "IPv6" },
247 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
248 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" },
249 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" },
250 { 256*RSVP_OBJ_MESSAGE_ID+RSVP_CTYPE_1, "1" },
251 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_1, "Message id ack" },
252 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_2, "Message id nack" },
253 { 256*RSVP_OBJ_MESSAGE_ID_LIST+RSVP_CTYPE_1, "1" },
254 { 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1, "1" },
255 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1, "Hello Request" },
256 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2, "Hello Ack" },
257 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1, "without label range" },
258 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2, "with ATM label range" },
259 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3, "with FR label range" },
260 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4, "Generalized Label" },
261 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1, "Label" },
262 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_2, "Generalized Label" },
263 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
264 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1, "Label" },
265 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_2, "Generalized Label" },
266 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
267 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1, "Label" },
268 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_2, "Generalized Label" },
269 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
270 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_1, "Label" },
271 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_2, "Generalized Label" },
272 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
273 { 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4, "IPv4" },
274 { 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4, "IPv4" },
275 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4, "IPv4" },
276 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6, "IPv6" },
277 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
278 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
279 { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1, "IPv4" },
280 { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
281 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, /* old style*/
282 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_1, "1" }, /* new style */
283 { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
284 { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1, "1" },
285 { 256*RSVP_OBJ_ADMIN_STATUS+RSVP_CTYPE_1, "1" },
286 { 256*RSVP_OBJ_CLASSTYPE+RSVP_CTYPE_1, "1" },
287 { 256*RSVP_OBJ_CLASSTYPE_OLD+RSVP_CTYPE_1, "1" },
288 { 256*RSVP_OBJ_LABEL_SET+RSVP_CTYPE_1, "1" },
289 { 256*RSVP_OBJ_GENERALIZED_UNI+RSVP_CTYPE_1, "1" },
290 { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV4, "IPv4 sub-LSP" },
291 { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV6, "IPv6 sub-LSP" },
292 { 0, NULL}
293 };
294
295 struct rsvp_obj_integrity_t {
296 uint8_t flags;
297 uint8_t res;
298 uint8_t key_id[6];
299 uint8_t sequence[8];
300 uint8_t digest[16];
301 };
302
303 static const struct tok rsvp_obj_integrity_flag_values[] = {
304 { 0x80, "Handshake" },
305 { 0, NULL}
306 };
307
308 struct rsvp_obj_frr_t {
309 uint8_t setup_prio;
310 uint8_t hold_prio;
311 uint8_t hop_limit;
312 uint8_t flags;
313 uint8_t bandwidth[4];
314 uint8_t include_any[4];
315 uint8_t exclude_any[4];
316 uint8_t include_all[4];
317 };
318
319
320 #define RSVP_OBJ_XRO_MASK_SUBOBJ(x) ((x)&0x7f)
321 #define RSVP_OBJ_XRO_MASK_LOOSE(x) ((x)&0x80)
322
323 #define RSVP_OBJ_XRO_RES 0
324 #define RSVP_OBJ_XRO_IPV4 1
325 #define RSVP_OBJ_XRO_IPV6 2
326 #define RSVP_OBJ_XRO_LABEL 3
327 #define RSVP_OBJ_XRO_ASN 32
328 #define RSVP_OBJ_XRO_MPLS 64
329
330 static const struct tok rsvp_obj_xro_values[] = {
331 { RSVP_OBJ_XRO_RES, "Reserved" },
332 { RSVP_OBJ_XRO_IPV4, "IPv4 prefix" },
333 { RSVP_OBJ_XRO_IPV6, "IPv6 prefix" },
334 { RSVP_OBJ_XRO_LABEL, "Label" },
335 { RSVP_OBJ_XRO_ASN, "Autonomous system number" },
336 { RSVP_OBJ_XRO_MPLS, "MPLS label switched path termination" },
337 { 0, NULL}
338 };
339
340 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07.txt */
341 static const struct tok rsvp_obj_rro_flag_values[] = {
342 { 0x01, "Local protection available" },
343 { 0x02, "Local protection in use" },
344 { 0x04, "Bandwidth protection" },
345 { 0x08, "Node protection" },
346 { 0, NULL}
347 };
348
349 /* RFC3209 */
350 static const struct tok rsvp_obj_rro_label_flag_values[] = {
351 { 0x01, "Global" },
352 { 0, NULL}
353 };
354
355 static const struct tok rsvp_resstyle_values[] = {
356 { 17, "Wildcard Filter" },
357 { 10, "Fixed Filter" },
358 { 18, "Shared Explicit" },
359 { 0, NULL}
360 };
361
362 #define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2
363 #define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5
364
365 static const struct tok rsvp_intserv_service_type_values[] = {
366 { 1, "Default/Global Information" },
367 { RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" },
368 { RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" },
369 { 0, NULL}
370 };
371
372 static const struct tok rsvp_intserv_parameter_id_values[] = {
373 { 4, "IS hop cnt" },
374 { 6, "Path b/w estimate" },
375 { 8, "Minimum path latency" },
376 { 10, "Composed MTU" },
377 { 127, "Token Bucket TSpec" },
378 { 130, "Guaranteed Service RSpec" },
379 { 133, "End-to-end composed value for C" },
380 { 134, "End-to-end composed value for D" },
381 { 135, "Since-last-reshaping point composed C" },
382 { 136, "Since-last-reshaping point composed D" },
383 { 0, NULL}
384 };
385
386 static const struct tok rsvp_session_attribute_flag_values[] = {
387 { 0x01, "Local Protection" },
388 { 0x02, "Label Recording" },
389 { 0x04, "SE Style" },
390 { 0x08, "Bandwidth protection" }, /* RFC4090 */
391 { 0x10, "Node protection" }, /* RFC4090 */
392 { 0, NULL}
393 };
394
395 static const struct tok rsvp_obj_prop_tlv_values[] = {
396 { 0x01, "Cos" },
397 { 0x02, "Metric 1" },
398 { 0x04, "Metric 2" },
399 { 0x08, "CCC Status" },
400 { 0x10, "Path Type" },
401 { 0, NULL}
402 };
403
404 #define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24
405 #define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY 25
406 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 28
407 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD 125
408
409 static const struct tok rsvp_obj_error_code_values[] = {
410 { RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" },
411 { RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY, "Notify Error" },
412 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE, "Diffserv TE Error" },
413 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD, "Diffserv TE Error (Old)" },
414 { 0, NULL}
415 };
416
417 static const struct tok rsvp_obj_error_code_routing_values[] = {
418 { 1, "Bad EXPLICIT_ROUTE object" },
419 { 2, "Bad strict node" },
420 { 3, "Bad loose node" },
421 { 4, "Bad initial subobject" },
422 { 5, "No route available toward destination" },
423 { 6, "Unacceptable label value" },
424 { 7, "RRO indicated routing loops" },
425 { 8, "non-RSVP-capable router in the path" },
426 { 9, "MPLS label allocation failure" },
427 { 10, "Unsupported L3PID" },
428 { 0, NULL}
429 };
430
431 static const struct tok rsvp_obj_error_code_diffserv_te_values[] = {
432 { 1, "Unexpected CT object" },
433 { 2, "Unsupported CT" },
434 { 3, "Invalid CT value" },
435 { 4, "CT/setup priority do not form a configured TE-Class" },
436 { 5, "CT/holding priority do not form a configured TE-Class" },
437 { 6, "CT/setup priority and CT/holding priority do not form a configured TE-Class" },
438 { 7, "Inconsistency between signaled PSC and signaled CT" },
439 { 8, "Inconsistency between signaled PHBs and signaled CT" },
440 { 0, NULL}
441 };
442
443 /* rfc3473 / rfc 3471 */
444 static const struct tok rsvp_obj_admin_status_flag_values[] = {
445 { 0x80000000, "Reflect" },
446 { 0x00000004, "Testing" },
447 { 0x00000002, "Admin-down" },
448 { 0x00000001, "Delete-in-progress" },
449 { 0, NULL}
450 };
451
452 /* label set actions - rfc3471 */
453 #define LABEL_SET_INCLUSIVE_LIST 0
454 #define LABEL_SET_EXCLUSIVE_LIST 1
455 #define LABEL_SET_INCLUSIVE_RANGE 2
456 #define LABEL_SET_EXCLUSIVE_RANGE 3
457
458 static const struct tok rsvp_obj_label_set_action_values[] = {
459 { LABEL_SET_INCLUSIVE_LIST, "Inclusive list" },
460 { LABEL_SET_EXCLUSIVE_LIST, "Exclusive list" },
461 { LABEL_SET_INCLUSIVE_RANGE, "Inclusive range" },
462 { LABEL_SET_EXCLUSIVE_RANGE, "Exclusive range" },
463 { 0, NULL}
464 };
465
466 /* OIF RSVP extensions UNI 1.0 Signaling, release 2 */
467 #define RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS 1
468 #define RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS 2
469 #define RSVP_GEN_UNI_SUBOBJ_DIVERSITY 3
470 #define RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL 4
471 #define RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL 5
472
473 static const struct tok rsvp_obj_generalized_uni_values[] = {
474 { RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS, "Source TNA address" },
475 { RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS, "Destination TNA address" },
476 { RSVP_GEN_UNI_SUBOBJ_DIVERSITY, "Diversity" },
477 { RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL, "Egress label" },
478 { RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL, "Service level" },
479 { 0, NULL}
480 };
481
482 /*
483 * this is a dissector for all the intserv defined
484 * specs as defined per rfc2215
485 * it is called from various rsvp objects;
486 * returns the amount of bytes being processed
487 */
488 static int
489 rsvp_intserv_print(netdissect_options *ndo,
490 const u_char *tptr, u_short obj_tlen)
491 {
492 int parameter_id,parameter_length;
493 union {
494 float f;
495 uint32_t i;
496 } bw;
497
498 if (obj_tlen < 4)
499 return 0;
500 parameter_id = *(tptr);
501 ND_TCHECK2(*(tptr + 2), 2);
502 parameter_length = EXTRACT_16BITS(tptr+2)<<2; /* convert wordcount to bytecount */
503
504 ND_PRINT((ndo, "\n\t Parameter ID: %s (%u), length: %u, Flags: [0x%02x]",
505 tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id),
506 parameter_id,
507 parameter_length,
508 *(tptr + 1)));
509
510 if (obj_tlen < parameter_length+4)
511 return 0;
512 switch(parameter_id) { /* parameter_id */
513
514 case 4:
515 /*
516 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
517 * | 4 (e) | (f) | 1 (g) |
518 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
519 * | IS hop cnt (32-bit unsigned integer) |
520 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
521 */
522 if (parameter_length == 4)
523 ND_TCHECK2(*(tptr + 4), 4);
524 ND_PRINT((ndo, "\n\t\tIS hop count: %u", EXTRACT_32BITS(tptr + 4)));
525 break;
526
527 case 6:
528 /*
529 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
530 * | 6 (h) | (i) | 1 (j) |
531 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
532 * | Path b/w estimate (32-bit IEEE floating point number) |
533 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
534 */
535 if (parameter_length == 4) {
536 ND_TCHECK2(*(tptr + 4), 4);
537 bw.i = EXTRACT_32BITS(tptr+4);
538 ND_PRINT((ndo, "\n\t\tPath b/w estimate: %.10g Mbps", bw.f / 125000));
539 }
540 break;
541
542 case 8:
543 /*
544 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
545 * | 8 (k) | (l) | 1 (m) |
546 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
547 * | Minimum path latency (32-bit integer) |
548 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
549 */
550 if (parameter_length == 4) {
551 ND_TCHECK2(*(tptr + 4), 4);
552 ND_PRINT((ndo, "\n\t\tMinimum path latency: "));
553 if (EXTRACT_32BITS(tptr+4) == 0xffffffff)
554 ND_PRINT((ndo, "don't care"));
555 else
556 ND_PRINT((ndo, "%u", EXTRACT_32BITS(tptr + 4)));
557 }
558 break;
559
560 case 10:
561
562 /*
563 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
564 * | 10 (n) | (o) | 1 (p) |
565 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
566 * | Composed MTU (32-bit unsigned integer) |
567 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
568 */
569 if (parameter_length == 4)
570 ND_TCHECK2(*(tptr + 4), 4);
571 ND_PRINT((ndo, "\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr + 4)));
572 break;
573 case 127:
574 /*
575 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
576 * | 127 (e) | 0 (f) | 5 (g) |
577 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
578 * | Token Bucket Rate [r] (32-bit IEEE floating point number) |
579 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
580 * | Token Bucket Size [b] (32-bit IEEE floating point number) |
581 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
582 * | Peak Data Rate [p] (32-bit IEEE floating point number) |
583 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
584 * | Minimum Policed Unit [m] (32-bit integer) |
585 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
586 * | Maximum Packet Size [M] (32-bit integer) |
587 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
588 */
589
590 if (parameter_length == 20) {
591 ND_TCHECK2(*(tptr + 4), 20);
592 bw.i = EXTRACT_32BITS(tptr+4);
593 ND_PRINT((ndo, "\n\t\tToken Bucket Rate: %.10g Mbps", bw.f / 125000));
594 bw.i = EXTRACT_32BITS(tptr+8);
595 ND_PRINT((ndo, "\n\t\tToken Bucket Size: %.10g bytes", bw.f));
596 bw.i = EXTRACT_32BITS(tptr+12);
597 ND_PRINT((ndo, "\n\t\tPeak Data Rate: %.10g Mbps", bw.f / 125000));
598 ND_PRINT((ndo, "\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr + 16)));
599 ND_PRINT((ndo, "\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr + 20)));
600 }
601 break;
602
603 case 130:
604 /*
605 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
606 * | 130 (h) | 0 (i) | 2 (j) |
607 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
608 * | Rate [R] (32-bit IEEE floating point number) |
609 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
610 * | Slack Term [S] (32-bit integer) |
611 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
612 */
613
614 if (parameter_length == 8) {
615 ND_TCHECK2(*(tptr + 4), 8);
616 bw.i = EXTRACT_32BITS(tptr+4);
617 ND_PRINT((ndo, "\n\t\tRate: %.10g Mbps", bw.f / 125000));
618 ND_PRINT((ndo, "\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr + 8)));
619 }
620 break;
621
622 case 133:
623 case 134:
624 case 135:
625 case 136:
626 if (parameter_length == 4)
627 ND_TCHECK2(*(tptr + 4), 4);
628 ND_PRINT((ndo, "\n\t\tValue: %u", EXTRACT_32BITS(tptr + 4)));
629 break;
630
631 default:
632 if (ndo->ndo_vflag <= 1)
633 print_unknown_data(ndo, tptr + 4, "\n\t\t", parameter_length);
634 }
635 return (parameter_length+4); /* header length 4 bytes */
636
637 trunc:
638 ND_PRINT((ndo, "%s", tstr));
639 return 0;
640 }
641
642 /*
643 * Clear checksum prior to signature verification.
644 */
645 static void
646 rsvp_clear_checksum(void *header)
647 {
648 struct rsvp_common_header *rsvp_com_header = (struct rsvp_common_header *) header;
649
650 rsvp_com_header->checksum[0] = 0;
651 rsvp_com_header->checksum[1] = 0;
652 }
653
654 static int
655 rsvp_obj_print(netdissect_options *ndo,
656 const u_char *pptr, u_int plen, const u_char *tptr,
657 const char *ident, u_int tlen,
658 const struct rsvp_common_header *rsvp_com_header)
659 {
660 const struct rsvp_object_header *rsvp_obj_header;
661 const u_char *obj_tptr;
662 union {
663 const struct rsvp_obj_integrity_t *rsvp_obj_integrity;
664 const struct rsvp_obj_frr_t *rsvp_obj_frr;
665 } obj_ptr;
666
667 u_short rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen;
668 int hexdump,processed,padbytes,error_code,error_value,i,sigcheck;
669 union {
670 float f;
671 uint32_t i;
672 } bw;
673 uint8_t namelen;
674
675 u_int action, subchannel;
676
677 while(tlen>=sizeof(struct rsvp_object_header)) {
678 /* did we capture enough for fully decoding the object header ? */
679 ND_TCHECK2(*tptr, sizeof(struct rsvp_object_header));
680
681 rsvp_obj_header = (const struct rsvp_object_header *)tptr;
682 rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length);
683 rsvp_obj_ctype=rsvp_obj_header->ctype;
684
685 if(rsvp_obj_len % 4) {
686 ND_PRINT((ndo, "%sERROR: object header size %u not a multiple of 4", ident, rsvp_obj_len));
687 return -1;
688 }
689 if(rsvp_obj_len < sizeof(struct rsvp_object_header)) {
690 ND_PRINT((ndo, "%sERROR: object header too short %u < %lu", ident, rsvp_obj_len,
691 (unsigned long)sizeof(const struct rsvp_object_header)));
692 return -1;
693 }
694
695 ND_PRINT((ndo, "%s%s Object (%u) Flags: [%s",
696 ident,
697 tok2str(rsvp_obj_values,
698 "Unknown",
699 rsvp_obj_header->class_num),
700 rsvp_obj_header->class_num,
701 ((rsvp_obj_header->class_num) & 0x80) ? "ignore" : "reject"));
702
703 if (rsvp_obj_header->class_num > 128)
704 ND_PRINT((ndo, " %s",
705 ((rsvp_obj_header->class_num) & 0x40) ? "and forward" : "silently"));
706
707 ND_PRINT((ndo, " if unknown], Class-Type: %s (%u), length: %u",
708 tok2str(rsvp_ctype_values,
709 "Unknown",
710 ((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype),
711 rsvp_obj_ctype,
712 rsvp_obj_len));
713
714 if(tlen < rsvp_obj_len) {
715 ND_PRINT((ndo, "%sERROR: object goes past end of objects TLV", ident));
716 return -1;
717 }
718
719 obj_tptr=tptr+sizeof(struct rsvp_object_header);
720 obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
721
722 /* did we capture enough for fully decoding the object ? */
723 if (!ND_TTEST2(*tptr, rsvp_obj_len))
724 return -1;
725 hexdump=FALSE;
726
727 switch(rsvp_obj_header->class_num) {
728 case RSVP_OBJ_SESSION:
729 switch(rsvp_obj_ctype) {
730 case RSVP_CTYPE_IPV4:
731 if (obj_tlen < 8)
732 return -1;
733 ND_PRINT((ndo, "%s IPv4 DestAddress: %s, Protocol ID: 0x%02x",
734 ident,
735 ipaddr_string(ndo, obj_tptr),
736 *(obj_tptr + sizeof(struct in_addr))));
737 ND_PRINT((ndo, "%s Flags: [0x%02x], DestPort %u",
738 ident,
739 *(obj_tptr+5),
740 EXTRACT_16BITS(obj_tptr + 6)));
741 obj_tlen-=8;
742 obj_tptr+=8;
743 break;
744 case RSVP_CTYPE_IPV6:
745 if (obj_tlen < 20)
746 return -1;
747 ND_PRINT((ndo, "%s IPv6 DestAddress: %s, Protocol ID: 0x%02x",
748 ident,
749 ip6addr_string(ndo, obj_tptr),
750 *(obj_tptr + sizeof(struct in6_addr))));
751 ND_PRINT((ndo, "%s Flags: [0x%02x], DestPort %u",
752 ident,
753 *(obj_tptr+sizeof(struct in6_addr)+1),
754 EXTRACT_16BITS(obj_tptr + sizeof(struct in6_addr) + 2)));
755 obj_tlen-=20;
756 obj_tptr+=20;
757 break;
758
759 case RSVP_CTYPE_TUNNEL_IPV6:
760 if (obj_tlen < 36)
761 return -1;
762 ND_PRINT((ndo, "%s IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
763 ident,
764 ip6addr_string(ndo, obj_tptr),
765 EXTRACT_16BITS(obj_tptr+18),
766 ip6addr_string(ndo, obj_tptr + 20)));
767 obj_tlen-=36;
768 obj_tptr+=36;
769 break;
770
771 case RSVP_CTYPE_14: /* IPv6 p2mp LSP Tunnel */
772 if (obj_tlen < 26)
773 return -1;
774 ND_PRINT((ndo, "%s IPv6 P2MP LSP ID: 0x%08x, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
775 ident,
776 EXTRACT_32BITS(obj_tptr),
777 EXTRACT_16BITS(obj_tptr+6),
778 ip6addr_string(ndo, obj_tptr + 8)));
779 obj_tlen-=26;
780 obj_tptr+=26;
781 break;
782 case RSVP_CTYPE_13: /* IPv4 p2mp LSP Tunnel */
783 if (obj_tlen < 12)
784 return -1;
785 ND_PRINT((ndo, "%s IPv4 P2MP LSP ID: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
786 ident,
787 ipaddr_string(ndo, obj_tptr),
788 EXTRACT_16BITS(obj_tptr+6),
789 ipaddr_string(ndo, obj_tptr + 8)));
790 obj_tlen-=12;
791 obj_tptr+=12;
792 break;
793 case RSVP_CTYPE_TUNNEL_IPV4:
794 case RSVP_CTYPE_UNI_IPV4:
795 if (obj_tlen < 12)
796 return -1;
797 ND_PRINT((ndo, "%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
798 ident,
799 ipaddr_string(ndo, obj_tptr),
800 EXTRACT_16BITS(obj_tptr+6),
801 ipaddr_string(ndo, obj_tptr + 8)));
802 obj_tlen-=12;
803 obj_tptr+=12;
804 break;
805 default:
806 hexdump=TRUE;
807 }
808 break;
809
810 case RSVP_OBJ_CONFIRM:
811 switch(rsvp_obj_ctype) {
812 case RSVP_CTYPE_IPV4:
813 if (obj_tlen < sizeof(struct in_addr))
814 return -1;
815 ND_PRINT((ndo, "%s IPv4 Receiver Address: %s",
816 ident,
817 ipaddr_string(ndo, obj_tptr)));
818 obj_tlen-=sizeof(struct in_addr);
819 obj_tptr+=sizeof(struct in_addr);
820 break;
821 case RSVP_CTYPE_IPV6:
822 if (obj_tlen < sizeof(struct in6_addr))
823 return -1;
824 ND_PRINT((ndo, "%s IPv6 Receiver Address: %s",
825 ident,
826 ip6addr_string(ndo, obj_tptr)));
827 obj_tlen-=sizeof(struct in6_addr);
828 obj_tptr+=sizeof(struct in6_addr);
829 break;
830 default:
831 hexdump=TRUE;
832 }
833 break;
834
835 case RSVP_OBJ_NOTIFY_REQ:
836 switch(rsvp_obj_ctype) {
837 case RSVP_CTYPE_IPV4:
838 if (obj_tlen < sizeof(struct in_addr))
839 return -1;
840 ND_PRINT((ndo, "%s IPv4 Notify Node Address: %s",
841 ident,
842 ipaddr_string(ndo, obj_tptr)));
843 obj_tlen-=sizeof(struct in_addr);
844 obj_tptr+=sizeof(struct in_addr);
845 break;
846 case RSVP_CTYPE_IPV6:
847 if (obj_tlen < sizeof(struct in6_addr))
848 return-1;
849 ND_PRINT((ndo, "%s IPv6 Notify Node Address: %s",
850 ident,
851 ip6addr_string(ndo, obj_tptr)));
852 obj_tlen-=sizeof(struct in6_addr);
853 obj_tptr+=sizeof(struct in6_addr);
854 break;
855 default:
856 hexdump=TRUE;
857 }
858 break;
859
860 case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
861 case RSVP_OBJ_UPSTREAM_LABEL: /* fall through */
862 case RSVP_OBJ_RECOVERY_LABEL: /* fall through */
863 case RSVP_OBJ_LABEL:
864 switch(rsvp_obj_ctype) {
865 case RSVP_CTYPE_1:
866 while(obj_tlen >= 4 ) {
867 ND_PRINT((ndo, "%s Label: %u", ident, EXTRACT_32BITS(obj_tptr)));
868 obj_tlen-=4;
869 obj_tptr+=4;
870 }
871 break;
872 case RSVP_CTYPE_2:
873 if (obj_tlen < 4)
874 return-1;
875 ND_PRINT((ndo, "%s Generalized Label: %u",
876 ident,
877 EXTRACT_32BITS(obj_tptr)));
878 obj_tlen-=4;
879 obj_tptr+=4;
880 break;
881 case RSVP_CTYPE_3:
882 if (obj_tlen < 12)
883 return-1;
884 ND_PRINT((ndo, "%s Waveband ID: %u%s Start Label: %u, Stop Label: %u",
885 ident,
886 EXTRACT_32BITS(obj_tptr),
887 ident,
888 EXTRACT_32BITS(obj_tptr+4),
889 EXTRACT_32BITS(obj_tptr + 8)));
890 obj_tlen-=12;
891 obj_tptr+=12;
892 break;
893 default:
894 hexdump=TRUE;
895 }
896 break;
897
898 case RSVP_OBJ_STYLE:
899 switch(rsvp_obj_ctype) {
900 case RSVP_CTYPE_1:
901 if (obj_tlen < 4)
902 return-1;
903 ND_PRINT((ndo, "%s Reservation Style: %s, Flags: [0x%02x]",
904 ident,
905 tok2str(rsvp_resstyle_values,
906 "Unknown",
907 EXTRACT_24BITS(obj_tptr+1)),
908 *(obj_tptr)));
909 obj_tlen-=4;
910 obj_tptr+=4;
911 break;
912 default:
913 hexdump=TRUE;
914 }
915 break;
916
917 case RSVP_OBJ_SENDER_TEMPLATE:
918 switch(rsvp_obj_ctype) {
919 case RSVP_CTYPE_IPV4:
920 if (obj_tlen < 8)
921 return-1;
922 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
923 ident,
924 ipaddr_string(ndo, obj_tptr),
925 EXTRACT_16BITS(obj_tptr + 6)));
926 obj_tlen-=8;
927 obj_tptr+=8;
928 break;
929 case RSVP_CTYPE_IPV6:
930 if (obj_tlen < 20)
931 return-1;
932 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
933 ident,
934 ip6addr_string(ndo, obj_tptr),
935 EXTRACT_16BITS(obj_tptr + 18)));
936 obj_tlen-=20;
937 obj_tptr+=20;
938 break;
939 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
940 if (obj_tlen < 40)
941 return-1;
942 ND_PRINT((ndo, "%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
943 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
944 ident,
945 ip6addr_string(ndo, obj_tptr),
946 EXTRACT_16BITS(obj_tptr+18),
947 ident,
948 ip6addr_string(ndo, obj_tptr+20),
949 EXTRACT_16BITS(obj_tptr + 38)));
950 obj_tlen-=40;
951 obj_tptr+=40;
952 break;
953 case RSVP_CTYPE_TUNNEL_IPV4:
954 if (obj_tlen < 8)
955 return-1;
956 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
957 ident,
958 ipaddr_string(ndo, obj_tptr),
959 EXTRACT_16BITS(obj_tptr + 6)));
960 obj_tlen-=8;
961 obj_tptr+=8;
962 break;
963 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
964 if (obj_tlen < 16)
965 return-1;
966 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
967 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
968 ident,
969 ipaddr_string(ndo, obj_tptr),
970 EXTRACT_16BITS(obj_tptr+6),
971 ident,
972 ipaddr_string(ndo, obj_tptr+8),
973 EXTRACT_16BITS(obj_tptr + 12)));
974 obj_tlen-=16;
975 obj_tptr+=16;
976 break;
977 default:
978 hexdump=TRUE;
979 }
980 break;
981
982 case RSVP_OBJ_LABEL_REQ:
983 switch(rsvp_obj_ctype) {
984 case RSVP_CTYPE_1:
985 while(obj_tlen >= 4 ) {
986 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
987 ident,
988 tok2str(ethertype_values,
989 "Unknown Protocol (0x%04x)",
990 EXTRACT_16BITS(obj_tptr + 2))));
991 obj_tlen-=4;
992 obj_tptr+=4;
993 }
994 break;
995 case RSVP_CTYPE_2:
996 if (obj_tlen < 12)
997 return-1;
998 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
999 ident,
1000 tok2str(ethertype_values,
1001 "Unknown Protocol (0x%04x)",
1002 EXTRACT_16BITS(obj_tptr + 2))));
1003 ND_PRINT((ndo, ",%s merge capability",((*(obj_tptr + 4)) & 0x80) ? "no" : "" ));
1004 ND_PRINT((ndo, "%s Minimum VPI/VCI: %u/%u",
1005 ident,
1006 (EXTRACT_16BITS(obj_tptr+4))&0xfff,
1007 (EXTRACT_16BITS(obj_tptr + 6)) & 0xfff));
1008 ND_PRINT((ndo, "%s Maximum VPI/VCI: %u/%u",
1009 ident,
1010 (EXTRACT_16BITS(obj_tptr+8))&0xfff,
1011 (EXTRACT_16BITS(obj_tptr + 10)) & 0xfff));
1012 obj_tlen-=12;
1013 obj_tptr+=12;
1014 break;
1015 case RSVP_CTYPE_3:
1016 if (obj_tlen < 12)
1017 return-1;
1018 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
1019 ident,
1020 tok2str(ethertype_values,
1021 "Unknown Protocol (0x%04x)",
1022 EXTRACT_16BITS(obj_tptr + 2))));
1023 ND_PRINT((ndo, "%s Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI",
1024 ident,
1025 (EXTRACT_32BITS(obj_tptr+4))&0x7fffff,
1026 (EXTRACT_32BITS(obj_tptr+8))&0x7fffff,
1027 (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "",
1028 (((EXTRACT_16BITS(obj_tptr + 4) >> 7) & 3) == 2 ) ? "23" : ""));
1029 obj_tlen-=12;
1030 obj_tptr+=12;
1031 break;
1032 case RSVP_CTYPE_4:
1033 if (obj_tlen < 4)
1034 return-1;
1035 ND_PRINT((ndo, "%s LSP Encoding Type: %s (%u)",
1036 ident,
1037 tok2str(gmpls_encoding_values,
1038 "Unknown",
1039 *obj_tptr),
1040 *obj_tptr));
1041 ND_PRINT((ndo, "%s Switching Type: %s (%u), Payload ID: %s (0x%04x)",
1042 ident,
1043 tok2str(gmpls_switch_cap_values,
1044 "Unknown",
1045 *(obj_tptr+1)),
1046 *(obj_tptr+1),
1047 tok2str(gmpls_payload_values,
1048 "Unknown",
1049 EXTRACT_16BITS(obj_tptr+2)),
1050 EXTRACT_16BITS(obj_tptr + 2)));
1051 obj_tlen-=4;
1052 obj_tptr+=4;
1053 break;
1054 default:
1055 hexdump=TRUE;
1056 }
1057 break;
1058
1059 case RSVP_OBJ_RRO:
1060 case RSVP_OBJ_ERO:
1061 switch(rsvp_obj_ctype) {
1062 case RSVP_CTYPE_IPV4:
1063 while(obj_tlen >= 4 ) {
1064 ND_PRINT((ndo, "%s Subobject Type: %s, length %u",
1065 ident,
1066 tok2str(rsvp_obj_xro_values,
1067 "Unknown %u",
1068 RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)),
1069 *(obj_tptr + 1)));
1070
1071 if (*(obj_tptr+1) == 0) { /* prevent infinite loops */
1072 ND_PRINT((ndo, "%s ERROR: zero length ERO subtype", ident));
1073 break;
1074 }
1075
1076 switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) {
1077 case RSVP_OBJ_XRO_IPV4:
1078 ND_PRINT((ndo, ", %s, %s/%u, Flags: [%s]",
1079 RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
1080 ipaddr_string(ndo, obj_tptr+2),
1081 *(obj_tptr+6),
1082 bittok2str(rsvp_obj_rro_flag_values,
1083 "none",
1084 *(obj_tptr + 7)))); /* rfc3209 says that this field is rsvd. */
1085 break;
1086 case RSVP_OBJ_XRO_LABEL:
1087 ND_PRINT((ndo, ", Flags: [%s] (%#x), Class-Type: %s (%u), %u",
1088 bittok2str(rsvp_obj_rro_label_flag_values,
1089 "none",
1090 *(obj_tptr+2)),
1091 *(obj_tptr+2),
1092 tok2str(rsvp_ctype_values,
1093 "Unknown",
1094 *(obj_tptr+3) + 256*RSVP_OBJ_RRO),
1095 *(obj_tptr+3),
1096 EXTRACT_32BITS(obj_tptr + 4)));
1097 }
1098 obj_tlen-=*(obj_tptr+1);
1099 obj_tptr+=*(obj_tptr+1);
1100 }
1101 break;
1102 default:
1103 hexdump=TRUE;
1104 }
1105 break;
1106
1107 case RSVP_OBJ_HELLO:
1108 switch(rsvp_obj_ctype) {
1109 case RSVP_CTYPE_1:
1110 case RSVP_CTYPE_2:
1111 if (obj_tlen < 8)
1112 return-1;
1113 ND_PRINT((ndo, "%s Source Instance: 0x%08x, Destination Instance: 0x%08x",
1114 ident,
1115 EXTRACT_32BITS(obj_tptr),
1116 EXTRACT_32BITS(obj_tptr + 4)));
1117 obj_tlen-=8;
1118 obj_tptr+=8;
1119 break;
1120 default:
1121 hexdump=TRUE;
1122 }
1123 break;
1124
1125 case RSVP_OBJ_RESTART_CAPABILITY:
1126 switch(rsvp_obj_ctype) {
1127 case RSVP_CTYPE_1:
1128 if (obj_tlen < 8)
1129 return-1;
1130 ND_PRINT((ndo, "%s Restart Time: %ums, Recovery Time: %ums",
1131 ident,
1132 EXTRACT_32BITS(obj_tptr),
1133 EXTRACT_32BITS(obj_tptr + 4)));
1134 obj_tlen-=8;
1135 obj_tptr+=8;
1136 break;
1137 default:
1138 hexdump=TRUE;
1139 }
1140 break;
1141
1142 case RSVP_OBJ_SESSION_ATTRIBUTE:
1143 switch(rsvp_obj_ctype) {
1144 case RSVP_CTYPE_TUNNEL_IPV4:
1145 if (obj_tlen < 4)
1146 return-1;
1147 namelen = *(obj_tptr+3);
1148 if (obj_tlen < 4+namelen)
1149 return-1;
1150 ND_PRINT((ndo, "%s Session Name: ", ident));
1151 for (i = 0; i < namelen; i++)
1152 safeputchar(ndo, *(obj_tptr + 4 + i));
1153 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Flags: [%s] (%#x)",
1154 ident,
1155 (int)*obj_tptr,
1156 (int)*(obj_tptr+1),
1157 bittok2str(rsvp_session_attribute_flag_values,
1158 "none",
1159 *(obj_tptr+2)),
1160 *(obj_tptr + 2)));
1161 obj_tlen-=4+*(obj_tptr+3);
1162 obj_tptr+=4+*(obj_tptr+3);
1163 break;
1164 default:
1165 hexdump=TRUE;
1166 }
1167 break;
1168
1169 case RSVP_OBJ_GENERALIZED_UNI:
1170 switch(rsvp_obj_ctype) {
1171 int subobj_type,af,subobj_len,total_subobj_len;
1172
1173 case RSVP_CTYPE_1:
1174
1175 if (obj_tlen < 4)
1176 return-1;
1177
1178 /* read variable length subobjects */
1179 total_subobj_len = obj_tlen;
1180 while(total_subobj_len > 0) {
1181 subobj_len = EXTRACT_16BITS(obj_tptr);
1182 subobj_type = (EXTRACT_16BITS(obj_tptr+2))>>8;
1183 af = (EXTRACT_16BITS(obj_tptr+2))&0x00FF;
1184
1185 ND_PRINT((ndo, "%s Subobject Type: %s (%u), AF: %s (%u), length: %u",
1186 ident,
1187 tok2str(rsvp_obj_generalized_uni_values, "Unknown", subobj_type),
1188 subobj_type,
1189 tok2str(af_values, "Unknown", af), af,
1190 subobj_len));
1191
1192 if(subobj_len == 0)
1193 goto invalid;
1194
1195 switch(subobj_type) {
1196 case RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS:
1197 case RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS:
1198
1199 switch(af) {
1200 case AFNUM_INET:
1201 if (subobj_len < 8)
1202 return -1;
1203 ND_PRINT((ndo, "%s UNI IPv4 TNA address: %s",
1204 ident, ipaddr_string(ndo, obj_tptr + 4)));
1205 break;
1206 case AFNUM_INET6:
1207 if (subobj_len < 20)
1208 return -1;
1209 ND_PRINT((ndo, "%s UNI IPv6 TNA address: %s",
1210 ident, ip6addr_string(ndo, obj_tptr + 4)));
1211 break;
1212 case AFNUM_NSAP:
1213 if (subobj_len) {
1214 /* unless we have a TLV parser lets just hexdump */
1215 hexdump=TRUE;
1216 }
1217 break;
1218 }
1219 break;
1220
1221 case RSVP_GEN_UNI_SUBOBJ_DIVERSITY:
1222 if (subobj_len) {
1223 /* unless we have a TLV parser lets just hexdump */
1224 hexdump=TRUE;
1225 }
1226 break;
1227
1228 case RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL:
1229 if (subobj_len < 16) {
1230 return -1;
1231 }
1232
1233 ND_PRINT((ndo, "%s U-bit: %x, Label type: %u, Logical port id: %u, Label: %u",
1234 ident,
1235 ((EXTRACT_32BITS(obj_tptr+4))>>31),
1236 ((EXTRACT_32BITS(obj_tptr+4))&0xFF),
1237 EXTRACT_32BITS(obj_tptr+8),
1238 EXTRACT_32BITS(obj_tptr + 12)));
1239 break;
1240
1241 case RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL:
1242 if (subobj_len < 8) {
1243 return -1;
1244 }
1245
1246 ND_PRINT((ndo, "%s Service level: %u",
1247 ident, (EXTRACT_32BITS(obj_tptr + 4)) >> 24));
1248 break;
1249
1250 default:
1251 hexdump=TRUE;
1252 break;
1253 }
1254 total_subobj_len-=subobj_len;
1255 obj_tptr+=subobj_len;
1256 obj_tlen+=subobj_len;
1257 }
1258
1259 if (total_subobj_len) {
1260 /* unless we have a TLV parser lets just hexdump */
1261 hexdump=TRUE;
1262 }
1263 break;
1264
1265 default:
1266 hexdump=TRUE;
1267 }
1268 break;
1269
1270 case RSVP_OBJ_RSVP_HOP:
1271 switch(rsvp_obj_ctype) {
1272 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1273 case RSVP_CTYPE_IPV4:
1274 if (obj_tlen < 8)
1275 return-1;
1276 ND_PRINT((ndo, "%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1277 ident,
1278 ipaddr_string(ndo, obj_tptr),
1279 EXTRACT_32BITS(obj_tptr + 4)));
1280 obj_tlen-=8;
1281 obj_tptr+=8;
1282 if (obj_tlen)
1283 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1284 break;
1285 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1286 case RSVP_CTYPE_IPV6:
1287 if (obj_tlen < 20)
1288 return-1;
1289 ND_PRINT((ndo, "%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1290 ident,
1291 ip6addr_string(ndo, obj_tptr),
1292 EXTRACT_32BITS(obj_tptr + 16)));
1293 obj_tlen-=20;
1294 obj_tptr+=20;
1295 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1296 break;
1297 default:
1298 hexdump=TRUE;
1299 }
1300 break;
1301
1302 case RSVP_OBJ_TIME_VALUES:
1303 switch(rsvp_obj_ctype) {
1304 case RSVP_CTYPE_1:
1305 if (obj_tlen < 4)
1306 return-1;
1307 ND_PRINT((ndo, "%s Refresh Period: %ums",
1308 ident,
1309 EXTRACT_32BITS(obj_tptr)));
1310 obj_tlen-=4;
1311 obj_tptr+=4;
1312 break;
1313 default:
1314 hexdump=TRUE;
1315 }
1316 break;
1317
1318 /* those three objects do share the same semantics */
1319 case RSVP_OBJ_SENDER_TSPEC:
1320 case RSVP_OBJ_ADSPEC:
1321 case RSVP_OBJ_FLOWSPEC:
1322 switch(rsvp_obj_ctype) {
1323 case RSVP_CTYPE_2:
1324 if (obj_tlen < 4)
1325 return-1;
1326 ND_PRINT((ndo, "%s Msg-Version: %u, length: %u",
1327 ident,
1328 (*obj_tptr & 0xf0) >> 4,
1329 EXTRACT_16BITS(obj_tptr + 2) << 2));
1330 obj_tptr+=4; /* get to the start of the service header */
1331 obj_tlen-=4;
1332
1333 while (obj_tlen >= 4) {
1334 intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
1335 ND_PRINT((ndo, "%s Service Type: %s (%u), break bit %s set, Service length: %u",
1336 ident,
1337 tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)),
1338 *(obj_tptr),
1339 (*(obj_tptr+1)&0x80) ? "" : "not",
1340 intserv_serv_tlen));
1341
1342 obj_tptr+=4; /* get to the start of the parameter list */
1343 obj_tlen-=4;
1344
1345 while (intserv_serv_tlen>=4) {
1346 processed = rsvp_intserv_print(ndo, obj_tptr, obj_tlen);
1347 if (processed == 0)
1348 break;
1349 obj_tlen-=processed;
1350 intserv_serv_tlen-=processed;
1351 obj_tptr+=processed;
1352 }
1353 }
1354 break;
1355 default:
1356 hexdump=TRUE;
1357 }
1358 break;
1359
1360 case RSVP_OBJ_FILTERSPEC:
1361 switch(rsvp_obj_ctype) {
1362 case RSVP_CTYPE_IPV4:
1363 if (obj_tlen < 8)
1364 return-1;
1365 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
1366 ident,
1367 ipaddr_string(ndo, obj_tptr),
1368 EXTRACT_16BITS(obj_tptr + 6)));
1369 obj_tlen-=8;
1370 obj_tptr+=8;
1371 break;
1372 case RSVP_CTYPE_IPV6:
1373 if (obj_tlen < 20)
1374 return-1;
1375 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
1376 ident,
1377 ip6addr_string(ndo, obj_tptr),
1378 EXTRACT_16BITS(obj_tptr + 18)));
1379 obj_tlen-=20;
1380 obj_tptr+=20;
1381 break;
1382 case RSVP_CTYPE_3:
1383 if (obj_tlen < 20)
1384 return-1;
1385 ND_PRINT((ndo, "%s Source Address: %s, Flow Label: %u",
1386 ident,
1387 ip6addr_string(ndo, obj_tptr),
1388 EXTRACT_24BITS(obj_tptr + 17)));
1389 obj_tlen-=20;
1390 obj_tptr+=20;
1391 break;
1392 case RSVP_CTYPE_TUNNEL_IPV6:
1393 if (obj_tlen < 20)
1394 return-1;
1395 ND_PRINT((ndo, "%s Source Address: %s, LSP-ID: 0x%04x",
1396 ident,
1397 ipaddr_string(ndo, obj_tptr),
1398 EXTRACT_16BITS(obj_tptr + 18)));
1399 obj_tlen-=20;
1400 obj_tptr+=20;
1401 break;
1402 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
1403 if (obj_tlen < 40)
1404 return-1;
1405 ND_PRINT((ndo, "%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
1406 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
1407 ident,
1408 ip6addr_string(ndo, obj_tptr),
1409 EXTRACT_16BITS(obj_tptr+18),
1410 ident,
1411 ip6addr_string(ndo, obj_tptr+20),
1412 EXTRACT_16BITS(obj_tptr + 38)));
1413 obj_tlen-=40;
1414 obj_tptr+=40;
1415 break;
1416 case RSVP_CTYPE_TUNNEL_IPV4:
1417 if (obj_tlen < 8)
1418 return-1;
1419 ND_PRINT((ndo, "%s Source Address: %s, LSP-ID: 0x%04x",
1420 ident,
1421 ipaddr_string(ndo, obj_tptr),
1422 EXTRACT_16BITS(obj_tptr + 6)));
1423 obj_tlen-=8;
1424 obj_tptr+=8;
1425 break;
1426 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
1427 if (obj_tlen < 16)
1428 return-1;
1429 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
1430 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
1431 ident,
1432 ipaddr_string(ndo, obj_tptr),
1433 EXTRACT_16BITS(obj_tptr+6),
1434 ident,
1435 ipaddr_string(ndo, obj_tptr+8),
1436 EXTRACT_16BITS(obj_tptr + 12)));
1437 obj_tlen-=16;
1438 obj_tptr+=16;
1439 break;
1440 default:
1441 hexdump=TRUE;
1442 }
1443 break;
1444
1445 case RSVP_OBJ_FASTREROUTE:
1446 /* the differences between c-type 1 and 7 are minor */
1447 obj_ptr.rsvp_obj_frr = (const struct rsvp_obj_frr_t *)obj_tptr;
1448 bw.i = EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->bandwidth);
1449
1450 switch(rsvp_obj_ctype) {
1451 case RSVP_CTYPE_1: /* new style */
1452 if (obj_tlen < sizeof(struct rsvp_obj_frr_t))
1453 return-1;
1454 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1455 ident,
1456 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1457 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1458 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1459 bw.f * 8 / 1000000));
1460 ND_PRINT((ndo, "%s Include-any: 0x%08x, Exclude-any: 0x%08x, Include-all: 0x%08x",
1461 ident,
1462 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1463 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any),
1464 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_all)));
1465 obj_tlen-=sizeof(struct rsvp_obj_frr_t);
1466 obj_tptr+=sizeof(struct rsvp_obj_frr_t);
1467 break;
1468
1469 case RSVP_CTYPE_TUNNEL_IPV4: /* old style */
1470 if (obj_tlen < 16)
1471 return-1;
1472 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1473 ident,
1474 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1475 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1476 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1477 bw.f * 8 / 1000000));
1478 ND_PRINT((ndo, "%s Include Colors: 0x%08x, Exclude Colors: 0x%08x",
1479 ident,
1480 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1481 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any)));
1482 obj_tlen-=16;
1483 obj_tptr+=16;
1484 break;
1485
1486 default:
1487 hexdump=TRUE;
1488 }
1489 break;
1490
1491 case RSVP_OBJ_DETOUR:
1492 switch(rsvp_obj_ctype) {
1493 case RSVP_CTYPE_TUNNEL_IPV4:
1494 while(obj_tlen >= 8) {
1495 ND_PRINT((ndo, "%s PLR-ID: %s, Avoid-Node-ID: %s",
1496 ident,
1497 ipaddr_string(ndo, obj_tptr),
1498 ipaddr_string(ndo, obj_tptr + 4)));
1499 obj_tlen-=8;
1500 obj_tptr+=8;
1501 }
1502 break;
1503 default:
1504 hexdump=TRUE;
1505 }
1506 break;
1507
1508 case RSVP_OBJ_CLASSTYPE:
1509 case RSVP_OBJ_CLASSTYPE_OLD: /* fall through */
1510 switch(rsvp_obj_ctype) {
1511 case RSVP_CTYPE_1:
1512 ND_PRINT((ndo, "%s CT: %u",
1513 ident,
1514 EXTRACT_32BITS(obj_tptr) & 0x7));
1515 obj_tlen-=4;
1516 obj_tptr+=4;
1517 break;
1518 default:
1519 hexdump=TRUE;
1520 }
1521 break;
1522
1523 case RSVP_OBJ_ERROR_SPEC:
1524 switch(rsvp_obj_ctype) {
1525 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1526 case RSVP_CTYPE_IPV4:
1527 if (obj_tlen < 8)
1528 return-1;
1529 error_code=*(obj_tptr+5);
1530 error_value=EXTRACT_16BITS(obj_tptr+6);
1531 ND_PRINT((ndo, "%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1532 ident,
1533 ipaddr_string(ndo, obj_tptr),
1534 *(obj_tptr+4),
1535 ident,
1536 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1537 error_code));
1538 switch (error_code) {
1539 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1540 ND_PRINT((ndo, ", Error Value: %s (%u)",
1541 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1542 error_value));
1543 break;
1544 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE: /* fall through */
1545 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD:
1546 ND_PRINT((ndo, ", Error Value: %s (%u)",
1547 tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value),
1548 error_value));
1549 break;
1550 default:
1551 ND_PRINT((ndo, ", Unknown Error Value (%u)", error_value));
1552 break;
1553 }
1554 obj_tlen-=8;
1555 obj_tptr+=8;
1556 break;
1557 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1558 case RSVP_CTYPE_IPV6:
1559 if (obj_tlen < 20)
1560 return-1;
1561 error_code=*(obj_tptr+17);
1562 error_value=EXTRACT_16BITS(obj_tptr+18);
1563 ND_PRINT((ndo, "%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1564 ident,
1565 ip6addr_string(ndo, obj_tptr),
1566 *(obj_tptr+16),
1567 ident,
1568 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1569 error_code));
1570
1571 switch (error_code) {
1572 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1573 ND_PRINT((ndo, ", Error Value: %s (%u)",
1574 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1575 error_value));
1576 break;
1577 default:
1578 break;
1579 }
1580 obj_tlen-=20;
1581 obj_tptr+=20;
1582 break;
1583 default:
1584 hexdump=TRUE;
1585 }
1586 break;
1587
1588 case RSVP_OBJ_PROPERTIES:
1589 switch(rsvp_obj_ctype) {
1590 case RSVP_CTYPE_1:
1591 if (obj_tlen < 4)
1592 return-1;
1593 padbytes = EXTRACT_16BITS(obj_tptr+2);
1594 ND_PRINT((ndo, "%s TLV count: %u, padding bytes: %u",
1595 ident,
1596 EXTRACT_16BITS(obj_tptr),
1597 padbytes));
1598 obj_tlen-=4;
1599 obj_tptr+=4;
1600 /* loop through as long there is anything longer than the TLV header (2) */
1601 while(obj_tlen >= 2 + padbytes) {
1602 ND_PRINT((ndo, "%s %s TLV (0x%02x), length: %u", /* length includes header */
1603 ident,
1604 tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
1605 *obj_tptr,
1606 *(obj_tptr + 1)));
1607 if (obj_tlen < *(obj_tptr+1))
1608 return-1;
1609 if (*(obj_tptr+1) < 2)
1610 return -1;
1611 print_unknown_data(ndo, obj_tptr + 2, "\n\t\t", *(obj_tptr + 1) - 2);
1612 obj_tlen-=*(obj_tptr+1);
1613 obj_tptr+=*(obj_tptr+1);
1614 }
1615 break;
1616 default:
1617 hexdump=TRUE;
1618 }
1619 break;
1620
1621 case RSVP_OBJ_MESSAGE_ID: /* fall through */
1622 case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */
1623 case RSVP_OBJ_MESSAGE_ID_LIST:
1624 switch(rsvp_obj_ctype) {
1625 case RSVP_CTYPE_1:
1626 case RSVP_CTYPE_2:
1627 if (obj_tlen < 8)
1628 return-1;
1629 ND_PRINT((ndo, "%s Flags [0x%02x], epoch: %u",
1630 ident,
1631 *obj_tptr,
1632 EXTRACT_24BITS(obj_tptr + 1)));
1633 obj_tlen-=4;
1634 obj_tptr+=4;
1635 /* loop through as long there are no messages left */
1636 while(obj_tlen >= 4) {
1637 ND_PRINT((ndo, "%s Message-ID 0x%08x (%u)",
1638 ident,
1639 EXTRACT_32BITS(obj_tptr),
1640 EXTRACT_32BITS(obj_tptr)));
1641 obj_tlen-=4;
1642 obj_tptr+=4;
1643 }
1644 break;
1645 default:
1646 hexdump=TRUE;
1647 }
1648 break;
1649
1650 case RSVP_OBJ_INTEGRITY:
1651 switch(rsvp_obj_ctype) {
1652 case RSVP_CTYPE_1:
1653 if (obj_tlen < sizeof(struct rsvp_obj_integrity_t))
1654 return-1;
1655 obj_ptr.rsvp_obj_integrity = (const struct rsvp_obj_integrity_t *)obj_tptr;
1656 ND_PRINT((ndo, "%s Key-ID 0x%04x%08x, Sequence 0x%08x%08x, Flags [%s]",
1657 ident,
1658 EXTRACT_16BITS(obj_ptr.rsvp_obj_integrity->key_id),
1659 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->key_id+2),
1660 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence),
1661 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence+4),
1662 bittok2str(rsvp_obj_integrity_flag_values,
1663 "none",
1664 obj_ptr.rsvp_obj_integrity->flags)));
1665 ND_PRINT((ndo, "%s MD5-sum 0x%08x%08x%08x%08x ",
1666 ident,
1667 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest),
1668 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+4),
1669 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+8),
1670 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest + 12)));
1671
1672 sigcheck = signature_verify(ndo, pptr, plen,
1673 obj_ptr.rsvp_obj_integrity->digest,
1674 rsvp_clear_checksum,
1675 rsvp_com_header);
1676 ND_PRINT((ndo, " (%s)", tok2str(signature_check_values, "Unknown", sigcheck)));
1677
1678 obj_tlen+=sizeof(struct rsvp_obj_integrity_t);
1679 obj_tptr+=sizeof(struct rsvp_obj_integrity_t);
1680 break;
1681 default:
1682 hexdump=TRUE;
1683 }
1684 break;
1685
1686 case RSVP_OBJ_ADMIN_STATUS:
1687 switch(rsvp_obj_ctype) {
1688 case RSVP_CTYPE_1:
1689 if (obj_tlen < 4)
1690 return-1;
1691 ND_PRINT((ndo, "%s Flags [%s]", ident,
1692 bittok2str(rsvp_obj_admin_status_flag_values, "none",
1693 EXTRACT_32BITS(obj_tptr))));
1694 obj_tlen-=4;
1695 obj_tptr+=4;
1696 break;
1697 default:
1698 hexdump=TRUE;
1699 }
1700 break;
1701
1702 case RSVP_OBJ_LABEL_SET:
1703 switch(rsvp_obj_ctype) {
1704 case RSVP_CTYPE_1:
1705 if (obj_tlen < 4)
1706 return-1;
1707 action = (EXTRACT_16BITS(obj_tptr)>>8);
1708
1709 ND_PRINT((ndo, "%s Action: %s (%u), Label type: %u", ident,
1710 tok2str(rsvp_obj_label_set_action_values, "Unknown", action),
1711 action, ((EXTRACT_32BITS(obj_tptr) & 0x7F))));
1712
1713 switch (action) {
1714 case LABEL_SET_INCLUSIVE_RANGE:
1715 case LABEL_SET_EXCLUSIVE_RANGE: /* fall through */
1716
1717 /* only a couple of subchannels are expected */
1718 if (obj_tlen < 12)
1719 return -1;
1720 ND_PRINT((ndo, "%s Start range: %u, End range: %u", ident,
1721 EXTRACT_32BITS(obj_tptr+4),
1722 EXTRACT_32BITS(obj_tptr + 8)));
1723 obj_tlen-=12;
1724 obj_tptr+=12;
1725 break;
1726
1727 default:
1728 obj_tlen-=4;
1729 obj_tptr+=4;
1730 subchannel = 1;
1731 while(obj_tlen >= 4 ) {
1732 ND_PRINT((ndo, "%s Subchannel #%u: %u", ident, subchannel,
1733 EXTRACT_32BITS(obj_tptr)));
1734 obj_tptr+=4;
1735 obj_tlen-=4;
1736 subchannel++;
1737 }
1738 break;
1739 }
1740 break;
1741 default:
1742 hexdump=TRUE;
1743 }
1744
1745 case RSVP_OBJ_S2L:
1746 switch (rsvp_obj_ctype) {
1747 case RSVP_CTYPE_IPV4:
1748 if (obj_tlen < 4)
1749 return-1;
1750 ND_PRINT((ndo, "%s Sub-LSP destination address: %s",
1751 ident, ipaddr_string(ndo, obj_tptr)));
1752
1753 obj_tlen-=4;
1754 obj_tptr+=4;
1755 break;
1756 case RSVP_CTYPE_IPV6:
1757 if (obj_tlen < 16)
1758 return-1;
1759 ND_PRINT((ndo, "%s Sub-LSP destination address: %s",
1760 ident, ip6addr_string(ndo, obj_tptr)));
1761
1762 obj_tlen-=16;
1763 obj_tptr+=16;
1764 break;
1765 default:
1766 hexdump=TRUE;
1767 }
1768
1769 /*
1770 * FIXME those are the defined objects that lack a decoder
1771 * you are welcome to contribute code ;-)
1772 */
1773
1774 case RSVP_OBJ_SCOPE:
1775 case RSVP_OBJ_POLICY_DATA:
1776 case RSVP_OBJ_ACCEPT_LABEL_SET:
1777 case RSVP_OBJ_PROTECTION:
1778 default:
1779 if (ndo->ndo_vflag <= 1)
1780 print_unknown_data(ndo, obj_tptr, "\n\t ", obj_tlen); /* FIXME indentation */
1781 break;
1782 }
1783 /* do we also want to see a hex dump ? */
1784 if (ndo->ndo_vflag > 1 || hexdump == TRUE)
1785 print_unknown_data(ndo, tptr + sizeof(struct rsvp_object_header), "\n\t ", /* FIXME indentation */
1786 rsvp_obj_len - sizeof(struct rsvp_object_header));
1787
1788 tptr+=rsvp_obj_len;
1789 tlen-=rsvp_obj_len;
1790 }
1791 return 0;
1792 invalid:
1793 ND_PRINT((ndo, "%s", istr));
1794 return -1;
1795 trunc:
1796 ND_PRINT((ndo, "\n\t\t"));
1797 ND_PRINT((ndo, "%s", tstr));
1798 return -1;
1799 }
1800
1801 void
1802 rsvp_print(netdissect_options *ndo,
1803 register const u_char *pptr, register u_int len)
1804 {
1805 const struct rsvp_common_header *rsvp_com_header;
1806 const u_char *tptr;
1807 u_short plen, tlen;
1808
1809 tptr=pptr;
1810
1811 rsvp_com_header = (const struct rsvp_common_header *)pptr;
1812 ND_TCHECK(*rsvp_com_header);
1813
1814 /*
1815 * Sanity checking of the header.
1816 */
1817 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1818 ND_PRINT((ndo, "ERROR: RSVP version %u packet not supported",
1819 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)));
1820 return;
1821 }
1822
1823 /* in non-verbose mode just lets print the basic Message Type*/
1824 if (ndo->ndo_vflag < 1) {
1825 ND_PRINT((ndo, "RSVPv%u %s Message, length: %u",
1826 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1827 tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
1828 len));
1829 return;
1830 }
1831
1832 /* ok they seem to want to know everything - lets fully decode it */
1833
1834 plen = tlen = EXTRACT_16BITS(rsvp_com_header->length);
1835
1836 ND_PRINT((ndo, "\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1837 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1838 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1839 rsvp_com_header->msg_type,
1840 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1841 tlen,
1842 rsvp_com_header->ttl,
1843 EXTRACT_16BITS(rsvp_com_header->checksum)));
1844
1845 if (tlen < sizeof(const struct rsvp_common_header)) {
1846 ND_PRINT((ndo, "ERROR: common header too short %u < %lu", tlen,
1847 (unsigned long)sizeof(const struct rsvp_common_header)));
1848 return;
1849 }
1850
1851 tptr+=sizeof(const struct rsvp_common_header);
1852 tlen-=sizeof(const struct rsvp_common_header);
1853
1854 switch(rsvp_com_header->msg_type) {
1855
1856 case RSVP_MSGTYPE_BUNDLE:
1857 /*
1858 * Process each submessage in the bundle message.
1859 * Bundle messages may not contain bundle submessages, so we don't
1860 * need to handle bundle submessages specially.
1861 */
1862 while(tlen > 0) {
1863 const u_char *subpptr=tptr, *subtptr;
1864 u_short subplen, subtlen;
1865
1866 subtptr=subpptr;
1867
1868 rsvp_com_header = (const struct rsvp_common_header *)subpptr;
1869 ND_TCHECK(*rsvp_com_header);
1870
1871 /*
1872 * Sanity checking of the header.
1873 */
1874 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1875 ND_PRINT((ndo, "ERROR: RSVP version %u packet not supported",
1876 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)));
1877 return;
1878 }
1879
1880 subplen = subtlen = EXTRACT_16BITS(rsvp_com_header->length);
1881
1882 ND_PRINT((ndo, "\n\t RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1883 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1884 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1885 rsvp_com_header->msg_type,
1886 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1887 subtlen,
1888 rsvp_com_header->ttl,
1889 EXTRACT_16BITS(rsvp_com_header->checksum)));
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 /*
1907 * Print all objects in the submessage.
1908 */
1909 if (rsvp_obj_print(ndo, subpptr, subplen, subtptr, "\n\t ", subtlen, rsvp_com_header) == -1)
1910 return;
1911
1912 tptr+=subtlen+sizeof(const struct rsvp_common_header);
1913 tlen-=subtlen+sizeof(const struct rsvp_common_header);
1914 }
1915
1916 break;
1917
1918 case RSVP_MSGTYPE_PATH:
1919 case RSVP_MSGTYPE_RESV:
1920 case RSVP_MSGTYPE_PATHERR:
1921 case RSVP_MSGTYPE_RESVERR:
1922 case RSVP_MSGTYPE_PATHTEAR:
1923 case RSVP_MSGTYPE_RESVTEAR:
1924 case RSVP_MSGTYPE_RESVCONF:
1925 case RSVP_MSGTYPE_HELLO_OLD:
1926 case RSVP_MSGTYPE_HELLO:
1927 case RSVP_MSGTYPE_ACK:
1928 case RSVP_MSGTYPE_SREFRESH:
1929 /*
1930 * Print all objects in the message.
1931 */
1932 if (rsvp_obj_print(ndo, pptr, plen, tptr, "\n\t ", tlen, rsvp_com_header) == -1)
1933 return;
1934 break;
1935
1936 default:
1937 print_unknown_data(ndo, tptr, "\n\t ", tlen);
1938 break;
1939 }
1940
1941 return;
1942 trunc:
1943 ND_PRINT((ndo, "\n\t\t"));
1944 ND_PRINT((ndo, "%s", tstr));
1945 }
[mirror] the TCPdump network dissector