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1 office 1 /*
2 * Copyright (c) 1998-2007 The TCPDUMP project
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that: (1) source code
6 * distributions retain the above copyright notice and this paragraph
7 * in its entirety, and (2) distributions including binary code include
8 * the above copyright notice and this paragraph in its entirety in
9 * the documentation or other materials provided with the distribution.
10 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
11 * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
12 * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
13 * FOR A PARTICULAR PURPOSE.
14 *
15 * Original code by Hannes Gredler (hannes@juniper.net)
16 */
17  
18 #define NETDISSECT_REWORKED
19 #ifdef HAVE_CONFIG_H
20 #include "config.h"
21 #endif
22  
23 #include <tcpdump-stdinc.h>
24  
25 #include "interface.h"
26 #include "extract.h"
27 #include "addrtoname.h"
28 #include "ethertype.h"
29 #include "gmpls.h"
30 #include "af.h"
31 #include "signature.h"
32  
33 /*
34 * RFC 2205 common header
35 *
36 * 0 1 2 3
37 * +-------------+-------------+-------------+-------------+
38 * | Vers | Flags| Msg Type | RSVP Checksum |
39 * +-------------+-------------+-------------+-------------+
40 * | Send_TTL | (Reserved) | RSVP Length |
41 * +-------------+-------------+-------------+-------------+
42 *
43 */
44  
45 struct rsvp_common_header {
46 uint8_t version_flags;
47 uint8_t msg_type;
48 uint8_t checksum[2];
49 uint8_t ttl;
50 uint8_t reserved;
51 uint8_t length[2];
52 };
53  
54 /*
55 * RFC2205 object header
56 *
57 *
58 * 0 1 2 3
59 * +-------------+-------------+-------------+-------------+
60 * | Length (bytes) | Class-Num | C-Type |
61 * +-------------+-------------+-------------+-------------+
62 * | |
63 * // (Object contents) //
64 * | |
65 * +-------------+-------------+-------------+-------------+
66 */
67  
68 struct rsvp_object_header {
69 uint8_t length[2];
70 uint8_t class_num;
71 uint8_t ctype;
72 };
73  
74 #define RSVP_VERSION 1
75 #define RSVP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
76 #define RSVP_EXTRACT_FLAGS(x) ((x)&0x0f)
77  
78 #define RSVP_MSGTYPE_PATH 1
79 #define RSVP_MSGTYPE_RESV 2
80 #define RSVP_MSGTYPE_PATHERR 3
81 #define RSVP_MSGTYPE_RESVERR 4
82 #define RSVP_MSGTYPE_PATHTEAR 5
83 #define RSVP_MSGTYPE_RESVTEAR 6
84 #define RSVP_MSGTYPE_RESVCONF 7
85 #define RSVP_MSGTYPE_AGGREGATE 12
86 #define RSVP_MSGTYPE_ACK 13
87 #define RSVP_MSGTYPE_HELLO_OLD 14 /* ancient Hellos */
88 #define RSVP_MSGTYPE_SREFRESH 15
89 #define RSVP_MSGTYPE_HELLO 20
90  
91 static const struct tok rsvp_msg_type_values[] = {
92 { RSVP_MSGTYPE_PATH, "Path" },
93 { RSVP_MSGTYPE_RESV, "Resv" },
94 { RSVP_MSGTYPE_PATHERR, "PathErr" },
95 { RSVP_MSGTYPE_RESVERR, "ResvErr" },
96 { RSVP_MSGTYPE_PATHTEAR, "PathTear" },
97 { RSVP_MSGTYPE_RESVTEAR, "ResvTear" },
98 { RSVP_MSGTYPE_RESVCONF, "ResvConf" },
99 { RSVP_MSGTYPE_AGGREGATE, "Aggregate" },
100 { RSVP_MSGTYPE_ACK, "Acknowledgement" },
101 { RSVP_MSGTYPE_HELLO_OLD, "Hello (Old)" },
102 { RSVP_MSGTYPE_SREFRESH, "Refresh" },
103 { RSVP_MSGTYPE_HELLO, "Hello" },
104 { 0, NULL}
105 };
106  
107 static const struct tok rsvp_header_flag_values[] = {
108 { 0x01, "Refresh reduction capable" }, /* rfc2961 */
109 { 0, NULL}
110 };
111  
112 #define RSVP_OBJ_SESSION 1 /* rfc2205 */
113 #define RSVP_OBJ_RSVP_HOP 3 /* rfc2205, rfc3473 */
114 #define RSVP_OBJ_INTEGRITY 4 /* rfc2747 */
115 #define RSVP_OBJ_TIME_VALUES 5 /* rfc2205 */
116 #define RSVP_OBJ_ERROR_SPEC 6
117 #define RSVP_OBJ_SCOPE 7
118 #define RSVP_OBJ_STYLE 8 /* rfc2205 */
119 #define RSVP_OBJ_FLOWSPEC 9 /* rfc2215 */
120 #define RSVP_OBJ_FILTERSPEC 10 /* rfc2215 */
121 #define RSVP_OBJ_SENDER_TEMPLATE 11
122 #define RSVP_OBJ_SENDER_TSPEC 12 /* rfc2215 */
123 #define RSVP_OBJ_ADSPEC 13 /* rfc2215 */
124 #define RSVP_OBJ_POLICY_DATA 14
125 #define RSVP_OBJ_CONFIRM 15 /* rfc2205 */
126 #define RSVP_OBJ_LABEL 16 /* rfc3209 */
127 #define RSVP_OBJ_LABEL_REQ 19 /* rfc3209 */
128 #define RSVP_OBJ_ERO 20 /* rfc3209 */
129 #define RSVP_OBJ_RRO 21 /* rfc3209 */
130 #define RSVP_OBJ_HELLO 22 /* rfc3209 */
131 #define RSVP_OBJ_MESSAGE_ID 23 /* rfc2961 */
132 #define RSVP_OBJ_MESSAGE_ID_ACK 24 /* rfc2961 */
133 #define RSVP_OBJ_MESSAGE_ID_LIST 25 /* rfc2961 */
134 #define RSVP_OBJ_RECOVERY_LABEL 34 /* rfc3473 */
135 #define RSVP_OBJ_UPSTREAM_LABEL 35 /* rfc3473 */
136 #define RSVP_OBJ_LABEL_SET 36 /* rfc3473 */
137 #define RSVP_OBJ_PROTECTION 37 /* rfc3473 */
138 #define RSVP_OBJ_S2L 50 /* rfc4875 */
139 #define RSVP_OBJ_DETOUR 63 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */
140 #define RSVP_OBJ_CLASSTYPE 66 /* rfc4124 */
141 #define RSVP_OBJ_CLASSTYPE_OLD 125 /* draft-ietf-tewg-diff-te-proto-07 */
142 #define RSVP_OBJ_SUGGESTED_LABEL 129 /* rfc3473 */
143 #define RSVP_OBJ_ACCEPT_LABEL_SET 130 /* rfc3473 */
144 #define RSVP_OBJ_RESTART_CAPABILITY 131 /* rfc3473 */
145 #define RSVP_OBJ_NOTIFY_REQ 195 /* rfc3473 */
146 #define RSVP_OBJ_ADMIN_STATUS 196 /* rfc3473 */
147 #define RSVP_OBJ_PROPERTIES 204 /* juniper proprietary */
148 #define RSVP_OBJ_FASTREROUTE 205 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */
149 #define RSVP_OBJ_SESSION_ATTRIBUTE 207 /* rfc3209 */
150 #define RSVP_OBJ_GENERALIZED_UNI 229 /* OIF RSVP extensions UNI 1.0 Signaling, Rel. 2 */
151 #define RSVP_OBJ_CALL_ID 230 /* rfc3474 */
152 #define RSVP_OBJ_CALL_OPS 236 /* rfc3474 */
153  
154 static const struct tok rsvp_obj_values[] = {
155 { RSVP_OBJ_SESSION, "Session" },
156 { RSVP_OBJ_RSVP_HOP, "RSVP Hop" },
157 { RSVP_OBJ_INTEGRITY, "Integrity" },
158 { RSVP_OBJ_TIME_VALUES, "Time Values" },
159 { RSVP_OBJ_ERROR_SPEC, "Error Spec" },
160 { RSVP_OBJ_SCOPE, "Scope" },
161 { RSVP_OBJ_STYLE, "Style" },
162 { RSVP_OBJ_FLOWSPEC, "Flowspec" },
163 { RSVP_OBJ_FILTERSPEC, "FilterSpec" },
164 { RSVP_OBJ_SENDER_TEMPLATE, "Sender Template" },
165 { RSVP_OBJ_SENDER_TSPEC, "Sender TSpec" },
166 { RSVP_OBJ_ADSPEC, "Adspec" },
167 { RSVP_OBJ_POLICY_DATA, "Policy Data" },
168 { RSVP_OBJ_CONFIRM, "Confirm" },
169 { RSVP_OBJ_LABEL, "Label" },
170 { RSVP_OBJ_LABEL_REQ, "Label Request" },
171 { RSVP_OBJ_ERO, "ERO" },
172 { RSVP_OBJ_RRO, "RRO" },
173 { RSVP_OBJ_HELLO, "Hello" },
174 { RSVP_OBJ_MESSAGE_ID, "Message ID" },
175 { RSVP_OBJ_MESSAGE_ID_ACK, "Message ID Ack" },
176 { RSVP_OBJ_MESSAGE_ID_LIST, "Message ID List" },
177 { RSVP_OBJ_RECOVERY_LABEL, "Recovery Label" },
178 { RSVP_OBJ_UPSTREAM_LABEL, "Upstream Label" },
179 { RSVP_OBJ_LABEL_SET, "Label Set" },
180 { RSVP_OBJ_ACCEPT_LABEL_SET, "Acceptable Label Set" },
181 { RSVP_OBJ_DETOUR, "Detour" },
182 { RSVP_OBJ_CLASSTYPE, "Class Type" },
183 { RSVP_OBJ_CLASSTYPE_OLD, "Class Type (old)" },
184 { RSVP_OBJ_SUGGESTED_LABEL, "Suggested Label" },
185 { RSVP_OBJ_PROPERTIES, "Properties" },
186 { RSVP_OBJ_FASTREROUTE, "Fast Re-Route" },
187 { RSVP_OBJ_SESSION_ATTRIBUTE, "Session Attribute" },
188 { RSVP_OBJ_GENERALIZED_UNI, "Generalized UNI" },
189 { RSVP_OBJ_CALL_ID, "Call-ID" },
190 { RSVP_OBJ_CALL_OPS, "Call Capability" },
191 { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" },
192 { RSVP_OBJ_NOTIFY_REQ, "Notify Request" },
193 { RSVP_OBJ_PROTECTION, "Protection" },
194 { RSVP_OBJ_ADMIN_STATUS, "Administrative Status" },
195 { RSVP_OBJ_S2L, "Sub-LSP to LSP" },
196 { 0, NULL}
197 };
198  
199 #define RSVP_CTYPE_IPV4 1
200 #define RSVP_CTYPE_IPV6 2
201 #define RSVP_CTYPE_TUNNEL_IPV4 7
202 #define RSVP_CTYPE_TUNNEL_IPV6 8
203 #define RSVP_CTYPE_UNI_IPV4 11 /* OIF RSVP extensions UNI 1.0 Signaling Rel. 2 */
204 #define RSVP_CTYPE_1 1
205 #define RSVP_CTYPE_2 2
206 #define RSVP_CTYPE_3 3
207 #define RSVP_CTYPE_4 4
208 #define RSVP_CTYPE_12 12
209 #define RSVP_CTYPE_13 13
210 #define RSVP_CTYPE_14 14
211  
212 /*
213 * the ctypes are not globally unique so for
214 * translating it to strings we build a table based
215 * on objects offsetted by the ctype
216 */
217  
218 static const struct tok rsvp_ctype_values[] = {
219 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV4, "IPv4" },
220 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV6, "IPv6" },
221 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
222 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
223 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV4, "IPv4" },
224 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV6, "IPv6" },
225 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV4, "IPv4" },
226 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV6, "IPv6" },
227 { 256*RSVP_OBJ_TIME_VALUES+RSVP_CTYPE_1, "1" },
228 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_1, "obsolete" },
229 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_2, "IntServ" },
230 { 256*RSVP_OBJ_SENDER_TSPEC+RSVP_CTYPE_2, "IntServ" },
231 { 256*RSVP_OBJ_ADSPEC+RSVP_CTYPE_2, "IntServ" },
232 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV4, "IPv4" },
233 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6, "IPv6" },
234 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3, "IPv6 Flow-label" },
235 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
236 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" },
237 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" },
238 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4, "IPv4" },
239 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6, "IPv6" },
240 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
241 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_UNI_IPV4, "UNI IPv4" },
242 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_13, "IPv4 P2MP LSP Tunnel" },
243 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_14, "IPv6 P2MP LSP Tunnel" },
244 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV4, "IPv4" },
245 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6, "IPv6" },
246 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
247 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" },
248 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" },
249 { 256*RSVP_OBJ_MESSAGE_ID+RSVP_CTYPE_1, "1" },
250 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_1, "Message id ack" },
251 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_2, "Message id nack" },
252 { 256*RSVP_OBJ_MESSAGE_ID_LIST+RSVP_CTYPE_1, "1" },
253 { 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1, "1" },
254 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1, "Hello Request" },
255 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2, "Hello Ack" },
256 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1, "without label range" },
257 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2, "with ATM label range" },
258 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3, "with FR label range" },
259 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4, "Generalized Label" },
260 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1, "Label" },
261 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_2, "Generalized Label" },
262 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
263 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1, "Label" },
264 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_2, "Generalized Label" },
265 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
266 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1, "Label" },
267 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_2, "Generalized Label" },
268 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
269 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_1, "Label" },
270 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_2, "Generalized Label" },
271 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
272 { 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4, "IPv4" },
273 { 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4, "IPv4" },
274 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4, "IPv4" },
275 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6, "IPv6" },
276 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
277 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
278 { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1, "IPv4" },
279 { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
280 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, /* old style*/
281 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_1, "1" }, /* new style */
282 { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
283 { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1, "1" },
284 { 256*RSVP_OBJ_ADMIN_STATUS+RSVP_CTYPE_1, "1" },
285 { 256*RSVP_OBJ_CLASSTYPE+RSVP_CTYPE_1, "1" },
286 { 256*RSVP_OBJ_CLASSTYPE_OLD+RSVP_CTYPE_1, "1" },
287 { 256*RSVP_OBJ_LABEL_SET+RSVP_CTYPE_1, "1" },
288 { 256*RSVP_OBJ_GENERALIZED_UNI+RSVP_CTYPE_1, "1" },
289 { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV4, "IPv4 sub-LSP" },
290 { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV6, "IPv6 sub-LSP" },
291 { 0, NULL}
292 };
293  
294 struct rsvp_obj_integrity_t {
295 uint8_t flags;
296 uint8_t res;
297 uint8_t key_id[6];
298 uint8_t sequence[8];
299 uint8_t digest[16];
300 };
301  
302 static const struct tok rsvp_obj_integrity_flag_values[] = {
303 { 0x80, "Handshake" },
304 { 0, NULL}
305 };
306  
307 struct rsvp_obj_frr_t {
308 uint8_t setup_prio;
309 uint8_t hold_prio;
310 uint8_t hop_limit;
311 uint8_t flags;
312 uint8_t bandwidth[4];
313 uint8_t include_any[4];
314 uint8_t exclude_any[4];
315 uint8_t include_all[4];
316 };
317  
318  
319 #define RSVP_OBJ_XRO_MASK_SUBOBJ(x) ((x)&0x7f)
320 #define RSVP_OBJ_XRO_MASK_LOOSE(x) ((x)&0x80)
321  
322 #define RSVP_OBJ_XRO_RES 0
323 #define RSVP_OBJ_XRO_IPV4 1
324 #define RSVP_OBJ_XRO_IPV6 2
325 #define RSVP_OBJ_XRO_LABEL 3
326 #define RSVP_OBJ_XRO_ASN 32
327 #define RSVP_OBJ_XRO_MPLS 64
328  
329 static const struct tok rsvp_obj_xro_values[] = {
330 { RSVP_OBJ_XRO_RES, "Reserved" },
331 { RSVP_OBJ_XRO_IPV4, "IPv4 prefix" },
332 { RSVP_OBJ_XRO_IPV6, "IPv6 prefix" },
333 { RSVP_OBJ_XRO_LABEL, "Label" },
334 { RSVP_OBJ_XRO_ASN, "Autonomous system number" },
335 { RSVP_OBJ_XRO_MPLS, "MPLS label switched path termination" },
336 { 0, NULL}
337 };
338  
339 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07.txt */
340 static const struct tok rsvp_obj_rro_flag_values[] = {
341 { 0x01, "Local protection available" },
342 { 0x02, "Local protection in use" },
343 { 0x04, "Bandwidth protection" },
344 { 0x08, "Node protection" },
345 { 0, NULL}
346 };
347  
348 /* RFC3209 */
349 static const struct tok rsvp_obj_rro_label_flag_values[] = {
350 { 0x01, "Global" },
351 { 0, NULL}
352 };
353  
354 static const struct tok rsvp_resstyle_values[] = {
355 { 17, "Wildcard Filter" },
356 { 10, "Fixed Filter" },
357 { 18, "Shared Explicit" },
358 { 0, NULL}
359 };
360  
361 #define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2
362 #define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5
363  
364 static const struct tok rsvp_intserv_service_type_values[] = {
365 { 1, "Default/Global Information" },
366 { RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" },
367 { RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" },
368 { 0, NULL}
369 };
370  
371 static const struct tok rsvp_intserv_parameter_id_values[] = {
372 { 4, "IS hop cnt" },
373 { 6, "Path b/w estimate" },
374 { 8, "Minimum path latency" },
375 { 10, "Composed MTU" },
376 { 127, "Token Bucket TSpec" },
377 { 130, "Guaranteed Service RSpec" },
378 { 133, "End-to-end composed value for C" },
379 { 134, "End-to-end composed value for D" },
380 { 135, "Since-last-reshaping point composed C" },
381 { 136, "Since-last-reshaping point composed D" },
382 { 0, NULL}
383 };
384  
385 static const struct tok rsvp_session_attribute_flag_values[] = {
386 { 0x01, "Local Protection" },
387 { 0x02, "Label Recording" },
388 { 0x04, "SE Style" },
389 { 0x08, "Bandwidth protection" }, /* RFC4090 */
390 { 0x10, "Node protection" }, /* RFC4090 */
391 { 0, NULL}
392 };
393  
394 static const struct tok rsvp_obj_prop_tlv_values[] = {
395 { 0x01, "Cos" },
396 { 0x02, "Metric 1" },
397 { 0x04, "Metric 2" },
398 { 0x08, "CCC Status" },
399 { 0x10, "Path Type" },
400 { 0, NULL}
401 };
402  
403 #define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24
404 #define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY 25
405 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 28
406 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD 125
407  
408 static const struct tok rsvp_obj_error_code_values[] = {
409 { RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" },
410 { RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY, "Notify Error" },
411 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE, "Diffserv TE Error" },
412 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD, "Diffserv TE Error (Old)" },
413 { 0, NULL}
414 };
415  
416 static const struct tok rsvp_obj_error_code_routing_values[] = {
417 { 1, "Bad EXPLICIT_ROUTE object" },
418 { 2, "Bad strict node" },
419 { 3, "Bad loose node" },
420 { 4, "Bad initial subobject" },
421 { 5, "No route available toward destination" },
422 { 6, "Unacceptable label value" },
423 { 7, "RRO indicated routing loops" },
424 { 8, "non-RSVP-capable router in the path" },
425 { 9, "MPLS label allocation failure" },
426 { 10, "Unsupported L3PID" },
427 { 0, NULL}
428 };
429  
430 static const struct tok rsvp_obj_error_code_diffserv_te_values[] = {
431 { 1, "Unexpected CT object" },
432 { 2, "Unsupported CT" },
433 { 3, "Invalid CT value" },
434 { 4, "CT/setup priority do not form a configured TE-Class" },
435 { 5, "CT/holding priority do not form a configured TE-Class" },
436 { 6, "CT/setup priority and CT/holding priority do not form a configured TE-Class" },
437 { 7, "Inconsistency between signaled PSC and signaled CT" },
438 { 8, "Inconsistency between signaled PHBs and signaled CT" },
439 { 0, NULL}
440 };
441  
442 /* rfc3473 / rfc 3471 */
443 static const struct tok rsvp_obj_admin_status_flag_values[] = {
444 { 0x80000000, "Reflect" },
445 { 0x00000004, "Testing" },
446 { 0x00000002, "Admin-down" },
447 { 0x00000001, "Delete-in-progress" },
448 { 0, NULL}
449 };
450  
451 /* label set actions - rfc3471 */
452 #define LABEL_SET_INCLUSIVE_LIST 0
453 #define LABEL_SET_EXCLUSIVE_LIST 1
454 #define LABEL_SET_INCLUSIVE_RANGE 2
455 #define LABEL_SET_EXCLUSIVE_RANGE 3
456  
457 static const struct tok rsvp_obj_label_set_action_values[] = {
458 { LABEL_SET_INCLUSIVE_LIST, "Inclusive list" },
459 { LABEL_SET_EXCLUSIVE_LIST, "Exclusive list" },
460 { LABEL_SET_INCLUSIVE_RANGE, "Inclusive range" },
461 { LABEL_SET_EXCLUSIVE_RANGE, "Exclusive range" },
462 { 0, NULL}
463 };
464  
465 /* OIF RSVP extensions UNI 1.0 Signaling, release 2 */
466 #define RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS 1
467 #define RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS 2
468 #define RSVP_GEN_UNI_SUBOBJ_DIVERSITY 3
469 #define RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL 4
470 #define RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL 5
471  
472 static const struct tok rsvp_obj_generalized_uni_values[] = {
473 { RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS, "Source TNA address" },
474 { RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS, "Destination TNA address" },
475 { RSVP_GEN_UNI_SUBOBJ_DIVERSITY, "Diversity" },
476 { RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL, "Egress label" },
477 { RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL, "Service level" },
478 { 0, NULL}
479 };
480  
481 /*
482 * this is a dissector for all the intserv defined
483 * specs as defined per rfc2215
484 * it is called from various rsvp objects;
485 * returns the amount of bytes being processed
486 */
487 static int
488 rsvp_intserv_print(netdissect_options *ndo,
489 const u_char *tptr, u_short obj_tlen)
490 {
491 int parameter_id,parameter_length;
492 union {
493 float f;
494 uint32_t i;
495 } bw;
496  
497 if (obj_tlen < 4)
498 return 0;
499 parameter_id = *(tptr);
500 parameter_length = EXTRACT_16BITS(tptr+2)<<2; /* convert wordcount to bytecount */
501  
502 ND_PRINT((ndo, "\n\t Parameter ID: %s (%u), length: %u, Flags: [0x%02x]",
503 tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id),
504 parameter_id,
505 parameter_length,
506 *(tptr + 1)));
507  
508 if (obj_tlen < parameter_length+4)
509 return 0;
510 switch(parameter_id) { /* parameter_id */
511  
512 case 4:
513 /*
514 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
515 * | 4 (e) | (f) | 1 (g) |
516 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
517 * | IS hop cnt (32-bit unsigned integer) |
518 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
519 */
520 if (parameter_length == 4)
521 ND_PRINT((ndo, "\n\t\tIS hop count: %u", EXTRACT_32BITS(tptr + 4)));
522 break;
523  
524 case 6:
525 /*
526 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
527 * | 6 (h) | (i) | 1 (j) |
528 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
529 * | Path b/w estimate (32-bit IEEE floating point number) |
530 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
531 */
532 if (parameter_length == 4) {
533 bw.i = EXTRACT_32BITS(tptr+4);
534 ND_PRINT((ndo, "\n\t\tPath b/w estimate: %.10g Mbps", bw.f / 125000));
535 }
536 break;
537  
538 case 8:
539 /*
540 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
541 * | 8 (k) | (l) | 1 (m) |
542 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
543 * | Minimum path latency (32-bit integer) |
544 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
545 */
546 if (parameter_length == 4) {
547 ND_PRINT((ndo, "\n\t\tMinimum path latency: "));
548 if (EXTRACT_32BITS(tptr+4) == 0xffffffff)
549 ND_PRINT((ndo, "don't care"));
550 else
551 ND_PRINT((ndo, "%u", EXTRACT_32BITS(tptr + 4)));
552 }
553 break;
554  
555 case 10:
556  
557 /*
558 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
559 * | 10 (n) | (o) | 1 (p) |
560 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
561 * | Composed MTU (32-bit unsigned integer) |
562 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
563 */
564 if (parameter_length == 4)
565 ND_PRINT((ndo, "\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr + 4)));
566 break;
567 case 127:
568 /*
569 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
570 * | 127 (e) | 0 (f) | 5 (g) |
571 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
572 * | Token Bucket Rate [r] (32-bit IEEE floating point number) |
573 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
574 * | Token Bucket Size [b] (32-bit IEEE floating point number) |
575 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
576 * | Peak Data Rate [p] (32-bit IEEE floating point number) |
577 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
578 * | Minimum Policed Unit [m] (32-bit integer) |
579 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
580 * | Maximum Packet Size [M] (32-bit integer) |
581 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
582 */
583  
584 if (parameter_length == 20) {
585 bw.i = EXTRACT_32BITS(tptr+4);
586 ND_PRINT((ndo, "\n\t\tToken Bucket Rate: %.10g Mbps", bw.f / 125000));
587 bw.i = EXTRACT_32BITS(tptr+8);
588 ND_PRINT((ndo, "\n\t\tToken Bucket Size: %.10g bytes", bw.f));
589 bw.i = EXTRACT_32BITS(tptr+12);
590 ND_PRINT((ndo, "\n\t\tPeak Data Rate: %.10g Mbps", bw.f / 125000));
591 ND_PRINT((ndo, "\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr + 16)));
592 ND_PRINT((ndo, "\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr + 20)));
593 }
594 break;
595  
596 case 130:
597 /*
598 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
599 * | 130 (h) | 0 (i) | 2 (j) |
600 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
601 * | Rate [R] (32-bit IEEE floating point number) |
602 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
603 * | Slack Term [S] (32-bit integer) |
604 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
605 */
606  
607 if (parameter_length == 8) {
608 bw.i = EXTRACT_32BITS(tptr+4);
609 ND_PRINT((ndo, "\n\t\tRate: %.10g Mbps", bw.f / 125000));
610 ND_PRINT((ndo, "\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr + 8)));
611 }
612 break;
613  
614 case 133:
615 case 134:
616 case 135:
617 case 136:
618 if (parameter_length == 4)
619 ND_PRINT((ndo, "\n\t\tValue: %u", EXTRACT_32BITS(tptr + 4)));
620 break;
621  
622 default:
623 if (ndo->ndo_vflag <= 1)
624 print_unknown_data(ndo, tptr + 4, "\n\t\t", parameter_length);
625 }
626 return (parameter_length+4); /* header length 4 bytes */
627 }
628  
629 static int
630 rsvp_obj_print(netdissect_options *ndo,
631 const u_char *pptr
632 #ifndef HAVE_LIBCRYPTO
633 _U_
634 #endif
635 , u_int plen
636 #ifndef HAVE_LIBCRYPTO
637 _U_
638 #endif
639 , const u_char *tptr,
640 const char *ident, u_int tlen)
641 {
642 const struct rsvp_object_header *rsvp_obj_header;
643 const u_char *obj_tptr;
644 union {
645 const struct rsvp_obj_integrity_t *rsvp_obj_integrity;
646 const struct rsvp_obj_frr_t *rsvp_obj_frr;
647 } obj_ptr;
648  
649 u_short rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen;
650 int hexdump,processed,padbytes,error_code,error_value,i,sigcheck;
651 union {
652 float f;
653 uint32_t i;
654 } bw;
655 uint8_t namelen;
656  
657 u_int action, subchannel;
658  
659 while(tlen>=sizeof(struct rsvp_object_header)) {
660 /* did we capture enough for fully decoding the object header ? */
661 ND_TCHECK2(*tptr, sizeof(struct rsvp_object_header));
662  
663 rsvp_obj_header = (const struct rsvp_object_header *)tptr;
664 rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length);
665 rsvp_obj_ctype=rsvp_obj_header->ctype;
666  
667 if(rsvp_obj_len % 4) {
668 ND_PRINT((ndo, "%sERROR: object header size %u not a multiple of 4", ident, rsvp_obj_len));
669 return -1;
670 }
671 if(rsvp_obj_len < sizeof(struct rsvp_object_header)) {
672 ND_PRINT((ndo, "%sERROR: object header too short %u < %lu", ident, rsvp_obj_len,
673 (unsigned long)sizeof(const struct rsvp_object_header)));
674 return -1;
675 }
676  
677 ND_PRINT((ndo, "%s%s Object (%u) Flags: [%s",
678 ident,
679 tok2str(rsvp_obj_values,
680 "Unknown",
681 rsvp_obj_header->class_num),
682 rsvp_obj_header->class_num,
683 ((rsvp_obj_header->class_num) & 0x80) ? "ignore" : "reject"));
684  
685 if (rsvp_obj_header->class_num > 128)
686 ND_PRINT((ndo, " %s",
687 ((rsvp_obj_header->class_num) & 0x40) ? "and forward" : "silently"));
688  
689 ND_PRINT((ndo, " if unknown], Class-Type: %s (%u), length: %u",
690 tok2str(rsvp_ctype_values,
691 "Unknown",
692 ((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype),
693 rsvp_obj_ctype,
694 rsvp_obj_len));
695  
696 if(tlen < rsvp_obj_len) {
697 ND_PRINT((ndo, "%sERROR: object goes past end of objects TLV", ident));
698 return -1;
699 }
700  
701 obj_tptr=tptr+sizeof(struct rsvp_object_header);
702 obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
703  
704 /* did we capture enough for fully decoding the object ? */
705 if (!ND_TTEST2(*tptr, rsvp_obj_len))
706 return -1;
707 hexdump=FALSE;
708  
709 switch(rsvp_obj_header->class_num) {
710 case RSVP_OBJ_SESSION:
711 switch(rsvp_obj_ctype) {
712 case RSVP_CTYPE_IPV4:
713 if (obj_tlen < 8)
714 return -1;
715 ND_PRINT((ndo, "%s IPv4 DestAddress: %s, Protocol ID: 0x%02x",
716 ident,
717 ipaddr_string(ndo, obj_tptr),
718 *(obj_tptr + sizeof(struct in_addr))));
719 ND_PRINT((ndo, "%s Flags: [0x%02x], DestPort %u",
720 ident,
721 *(obj_tptr+5),
722 EXTRACT_16BITS(obj_tptr + 6)));
723 obj_tlen-=8;
724 obj_tptr+=8;
725 break;
726 #ifdef INET6
727 case RSVP_CTYPE_IPV6:
728 if (obj_tlen < 20)
729 return -1;
730 ND_PRINT((ndo, "%s IPv6 DestAddress: %s, Protocol ID: 0x%02x",
731 ident,
732 ip6addr_string(ndo, obj_tptr),
733 *(obj_tptr + sizeof(struct in6_addr))));
734 ND_PRINT((ndo, "%s Flags: [0x%02x], DestPort %u",
735 ident,
736 *(obj_tptr+sizeof(struct in6_addr)+1),
737 EXTRACT_16BITS(obj_tptr + sizeof(struct in6_addr) + 2)));
738 obj_tlen-=20;
739 obj_tptr+=20;
740 break;
741  
742 case RSVP_CTYPE_TUNNEL_IPV6:
743 if (obj_tlen < 36)
744 return -1;
745 ND_PRINT((ndo, "%s IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
746 ident,
747 ip6addr_string(ndo, obj_tptr),
748 EXTRACT_16BITS(obj_tptr+18),
749 ip6addr_string(ndo, obj_tptr + 20)));
750 obj_tlen-=36;
751 obj_tptr+=36;
752 break;
753  
754 case RSVP_CTYPE_14: /* IPv6 p2mp LSP Tunnel */
755 if (obj_tlen < 26)
756 return -1;
757 ND_PRINT((ndo, "%s IPv6 P2MP LSP ID: 0x%08x, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
758 ident,
759 EXTRACT_32BITS(obj_tptr),
760 EXTRACT_16BITS(obj_tptr+6),
761 ip6addr_string(ndo, obj_tptr + 8)));
762 obj_tlen-=26;
763 obj_tptr+=26;
764 break;
765 #endif
766 case RSVP_CTYPE_13: /* IPv4 p2mp LSP Tunnel */
767 if (obj_tlen < 12)
768 return -1;
769 ND_PRINT((ndo, "%s IPv4 P2MP LSP ID: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
770 ident,
771 ipaddr_string(ndo, obj_tptr),
772 EXTRACT_16BITS(obj_tptr+6),
773 ipaddr_string(ndo, obj_tptr + 8)));
774 obj_tlen-=12;
775 obj_tptr+=12;
776 break;
777 case RSVP_CTYPE_TUNNEL_IPV4:
778 case RSVP_CTYPE_UNI_IPV4:
779 if (obj_tlen < 12)
780 return -1;
781 ND_PRINT((ndo, "%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
782 ident,
783 ipaddr_string(ndo, obj_tptr),
784 EXTRACT_16BITS(obj_tptr+6),
785 ipaddr_string(ndo, obj_tptr + 8)));
786 obj_tlen-=12;
787 obj_tptr+=12;
788 break;
789 default:
790 hexdump=TRUE;
791 }
792 break;
793  
794 case RSVP_OBJ_CONFIRM:
795 switch(rsvp_obj_ctype) {
796 case RSVP_CTYPE_IPV4:
797 if (obj_tlen < sizeof(struct in_addr))
798 return -1;
799 ND_PRINT((ndo, "%s IPv4 Receiver Address: %s",
800 ident,
801 ipaddr_string(ndo, obj_tptr)));
802 obj_tlen-=sizeof(struct in_addr);
803 obj_tptr+=sizeof(struct in_addr);
804 break;
805 #ifdef INET6
806 case RSVP_CTYPE_IPV6:
807 if (obj_tlen < sizeof(struct in6_addr))
808 return -1;
809 ND_PRINT((ndo, "%s IPv6 Receiver Address: %s",
810 ident,
811 ip6addr_string(ndo, obj_tptr)));
812 obj_tlen-=sizeof(struct in6_addr);
813 obj_tptr+=sizeof(struct in6_addr);
814 break;
815 #endif
816 default:
817 hexdump=TRUE;
818 }
819 break;
820  
821 case RSVP_OBJ_NOTIFY_REQ:
822 switch(rsvp_obj_ctype) {
823 case RSVP_CTYPE_IPV4:
824 if (obj_tlen < sizeof(struct in_addr))
825 return -1;
826 ND_PRINT((ndo, "%s IPv4 Notify Node Address: %s",
827 ident,
828 ipaddr_string(ndo, obj_tptr)));
829 obj_tlen-=sizeof(struct in_addr);
830 obj_tptr+=sizeof(struct in_addr);
831 break;
832 #ifdef INET6
833 case RSVP_CTYPE_IPV6:
834 if (obj_tlen < sizeof(struct in6_addr))
835 return-1;
836 ND_PRINT((ndo, "%s IPv6 Notify Node Address: %s",
837 ident,
838 ip6addr_string(ndo, obj_tptr)));
839 obj_tlen-=sizeof(struct in6_addr);
840 obj_tptr+=sizeof(struct in6_addr);
841 break;
842 #endif
843 default:
844 hexdump=TRUE;
845 }
846 break;
847  
848 case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
849 case RSVP_OBJ_UPSTREAM_LABEL: /* fall through */
850 case RSVP_OBJ_RECOVERY_LABEL: /* fall through */
851 case RSVP_OBJ_LABEL:
852 switch(rsvp_obj_ctype) {
853 case RSVP_CTYPE_1:
854 while(obj_tlen >= 4 ) {
855 ND_PRINT((ndo, "%s Label: %u", ident, EXTRACT_32BITS(obj_tptr)));
856 obj_tlen-=4;
857 obj_tptr+=4;
858 }
859 break;
860 case RSVP_CTYPE_2:
861 if (obj_tlen < 4)
862 return-1;
863 ND_PRINT((ndo, "%s Generalized Label: %u",
864 ident,
865 EXTRACT_32BITS(obj_tptr)));
866 obj_tlen-=4;
867 obj_tptr+=4;
868 break;
869 case RSVP_CTYPE_3:
870 if (obj_tlen < 12)
871 return-1;
872 ND_PRINT((ndo, "%s Waveband ID: %u%s Start Label: %u, Stop Label: %u",
873 ident,
874 EXTRACT_32BITS(obj_tptr),
875 ident,
876 EXTRACT_32BITS(obj_tptr+4),
877 EXTRACT_32BITS(obj_tptr + 8)));
878 obj_tlen-=12;
879 obj_tptr+=12;
880 break;
881 default:
882 hexdump=TRUE;
883 }
884 break;
885  
886 case RSVP_OBJ_STYLE:
887 switch(rsvp_obj_ctype) {
888 case RSVP_CTYPE_1:
889 if (obj_tlen < 4)
890 return-1;
891 ND_PRINT((ndo, "%s Reservation Style: %s, Flags: [0x%02x]",
892 ident,
893 tok2str(rsvp_resstyle_values,
894 "Unknown",
895 EXTRACT_24BITS(obj_tptr+1)),
896 *(obj_tptr)));
897 obj_tlen-=4;
898 obj_tptr+=4;
899 break;
900 default:
901 hexdump=TRUE;
902 }
903 break;
904  
905 case RSVP_OBJ_SENDER_TEMPLATE:
906 switch(rsvp_obj_ctype) {
907 case RSVP_CTYPE_IPV4:
908 if (obj_tlen < 8)
909 return-1;
910 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
911 ident,
912 ipaddr_string(ndo, obj_tptr),
913 EXTRACT_16BITS(obj_tptr + 6)));
914 obj_tlen-=8;
915 obj_tptr+=8;
916 break;
917 #ifdef INET6
918 case RSVP_CTYPE_IPV6:
919 if (obj_tlen < 20)
920 return-1;
921 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
922 ident,
923 ip6addr_string(ndo, obj_tptr),
924 EXTRACT_16BITS(obj_tptr + 18)));
925 obj_tlen-=20;
926 obj_tptr+=20;
927 break;
928 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
929 if (obj_tlen < 40)
930 return-1;
931 ND_PRINT((ndo, "%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
932 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
933 ident,
934 ip6addr_string(ndo, obj_tptr),
935 EXTRACT_16BITS(obj_tptr+18),
936 ident,
937 ip6addr_string(ndo, obj_tptr+20),
938 EXTRACT_16BITS(obj_tptr + 38)));
939 obj_tlen-=40;
940 obj_tptr+=40;
941 break;
942 #endif
943 case RSVP_CTYPE_TUNNEL_IPV4:
944 if (obj_tlen < 8)
945 return-1;
946 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
947 ident,
948 ipaddr_string(ndo, obj_tptr),
949 EXTRACT_16BITS(obj_tptr + 6)));
950 obj_tlen-=8;
951 obj_tptr+=8;
952 break;
953 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
954 if (obj_tlen < 16)
955 return-1;
956 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
957 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
958 ident,
959 ipaddr_string(ndo, obj_tptr),
960 EXTRACT_16BITS(obj_tptr+6),
961 ident,
962 ipaddr_string(ndo, obj_tptr+8),
963 EXTRACT_16BITS(obj_tptr + 12)));
964 obj_tlen-=16;
965 obj_tptr+=16;
966 break;
967 default:
968 hexdump=TRUE;
969 }
970 break;
971  
972 case RSVP_OBJ_LABEL_REQ:
973 switch(rsvp_obj_ctype) {
974 case RSVP_CTYPE_1:
975 while(obj_tlen >= 4 ) {
976 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
977 ident,
978 tok2str(ethertype_values,
979 "Unknown Protocol (0x%04x)",
980 EXTRACT_16BITS(obj_tptr + 2))));
981 obj_tlen-=4;
982 obj_tptr+=4;
983 }
984 break;
985 case RSVP_CTYPE_2:
986 if (obj_tlen < 12)
987 return-1;
988 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
989 ident,
990 tok2str(ethertype_values,
991 "Unknown Protocol (0x%04x)",
992 EXTRACT_16BITS(obj_tptr + 2))));
993 ND_PRINT((ndo, ",%s merge capability",((*(obj_tptr + 4)) & 0x80) ? "no" : "" ));
994 ND_PRINT((ndo, "%s Minimum VPI/VCI: %u/%u",
995 ident,
996 (EXTRACT_16BITS(obj_tptr+4))&0xfff,
997 (EXTRACT_16BITS(obj_tptr + 6)) & 0xfff));
998 ND_PRINT((ndo, "%s Maximum VPI/VCI: %u/%u",
999 ident,
1000 (EXTRACT_16BITS(obj_tptr+8))&0xfff,
1001 (EXTRACT_16BITS(obj_tptr + 10)) & 0xfff));
1002 obj_tlen-=12;
1003 obj_tptr+=12;
1004 break;
1005 case RSVP_CTYPE_3:
1006 if (obj_tlen < 12)
1007 return-1;
1008 ND_PRINT((ndo, "%s L3 Protocol ID: %s",
1009 ident,
1010 tok2str(ethertype_values,
1011 "Unknown Protocol (0x%04x)",
1012 EXTRACT_16BITS(obj_tptr + 2))));
1013 ND_PRINT((ndo, "%s Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI",
1014 ident,
1015 (EXTRACT_32BITS(obj_tptr+4))&0x7fffff,
1016 (EXTRACT_32BITS(obj_tptr+8))&0x7fffff,
1017 (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "",
1018 (((EXTRACT_16BITS(obj_tptr + 4) >> 7) & 3) == 2 ) ? "23" : ""));
1019 obj_tlen-=12;
1020 obj_tptr+=12;
1021 break;
1022 case RSVP_CTYPE_4:
1023 if (obj_tlen < 4)
1024 return-1;
1025 ND_PRINT((ndo, "%s LSP Encoding Type: %s (%u)",
1026 ident,
1027 tok2str(gmpls_encoding_values,
1028 "Unknown",
1029 *obj_tptr),
1030 *obj_tptr));
1031 ND_PRINT((ndo, "%s Switching Type: %s (%u), Payload ID: %s (0x%04x)",
1032 ident,
1033 tok2str(gmpls_switch_cap_values,
1034 "Unknown",
1035 *(obj_tptr+1)),
1036 *(obj_tptr+1),
1037 tok2str(gmpls_payload_values,
1038 "Unknown",
1039 EXTRACT_16BITS(obj_tptr+2)),
1040 EXTRACT_16BITS(obj_tptr + 2)));
1041 obj_tlen-=4;
1042 obj_tptr+=4;
1043 break;
1044 default:
1045 hexdump=TRUE;
1046 }
1047 break;
1048  
1049 case RSVP_OBJ_RRO:
1050 case RSVP_OBJ_ERO:
1051 switch(rsvp_obj_ctype) {
1052 case RSVP_CTYPE_IPV4:
1053 while(obj_tlen >= 4 ) {
1054 ND_PRINT((ndo, "%s Subobject Type: %s, length %u",
1055 ident,
1056 tok2str(rsvp_obj_xro_values,
1057 "Unknown %u",
1058 RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)),
1059 *(obj_tptr + 1)));
1060  
1061 if (*(obj_tptr+1) == 0) { /* prevent infinite loops */
1062 ND_PRINT((ndo, "%s ERROR: zero length ERO subtype", ident));
1063 break;
1064 }
1065  
1066 switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) {
1067 case RSVP_OBJ_XRO_IPV4:
1068 ND_PRINT((ndo, ", %s, %s/%u, Flags: [%s]",
1069 RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
1070 ipaddr_string(ndo, obj_tptr+2),
1071 *(obj_tptr+6),
1072 bittok2str(rsvp_obj_rro_flag_values,
1073 "none",
1074 *(obj_tptr + 7)))); /* rfc3209 says that this field is rsvd. */
1075 break;
1076 case RSVP_OBJ_XRO_LABEL:
1077 ND_PRINT((ndo, ", Flags: [%s] (%#x), Class-Type: %s (%u), %u",
1078 bittok2str(rsvp_obj_rro_label_flag_values,
1079 "none",
1080 *(obj_tptr+2)),
1081 *(obj_tptr+2),
1082 tok2str(rsvp_ctype_values,
1083 "Unknown",
1084 *(obj_tptr+3) + 256*RSVP_OBJ_RRO),
1085 *(obj_tptr+3),
1086 EXTRACT_32BITS(obj_tptr + 4)));
1087 }
1088 obj_tlen-=*(obj_tptr+1);
1089 obj_tptr+=*(obj_tptr+1);
1090 }
1091 break;
1092 default:
1093 hexdump=TRUE;
1094 }
1095 break;
1096  
1097 case RSVP_OBJ_HELLO:
1098 switch(rsvp_obj_ctype) {
1099 case RSVP_CTYPE_1:
1100 case RSVP_CTYPE_2:
1101 if (obj_tlen < 8)
1102 return-1;
1103 ND_PRINT((ndo, "%s Source Instance: 0x%08x, Destination Instance: 0x%08x",
1104 ident,
1105 EXTRACT_32BITS(obj_tptr),
1106 EXTRACT_32BITS(obj_tptr + 4)));
1107 obj_tlen-=8;
1108 obj_tptr+=8;
1109 break;
1110 default:
1111 hexdump=TRUE;
1112 }
1113 break;
1114  
1115 case RSVP_OBJ_RESTART_CAPABILITY:
1116 switch(rsvp_obj_ctype) {
1117 case RSVP_CTYPE_1:
1118 if (obj_tlen < 8)
1119 return-1;
1120 ND_PRINT((ndo, "%s Restart Time: %ums, Recovery Time: %ums",
1121 ident,
1122 EXTRACT_32BITS(obj_tptr),
1123 EXTRACT_32BITS(obj_tptr + 4)));
1124 obj_tlen-=8;
1125 obj_tptr+=8;
1126 break;
1127 default:
1128 hexdump=TRUE;
1129 }
1130 break;
1131  
1132 case RSVP_OBJ_SESSION_ATTRIBUTE:
1133 switch(rsvp_obj_ctype) {
1134 case RSVP_CTYPE_TUNNEL_IPV4:
1135 if (obj_tlen < 4)
1136 return-1;
1137 namelen = *(obj_tptr+3);
1138 if (obj_tlen < 4+namelen)
1139 return-1;
1140 ND_PRINT((ndo, "%s Session Name: ", ident));
1141 for (i = 0; i < namelen; i++)
1142 safeputchar(ndo, *(obj_tptr + 4 + i));
1143 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Flags: [%s] (%#x)",
1144 ident,
1145 (int)*obj_tptr,
1146 (int)*(obj_tptr+1),
1147 bittok2str(rsvp_session_attribute_flag_values,
1148 "none",
1149 *(obj_tptr+2)),
1150 *(obj_tptr + 2)));
1151 obj_tlen-=4+*(obj_tptr+3);
1152 obj_tptr+=4+*(obj_tptr+3);
1153 break;
1154 default:
1155 hexdump=TRUE;
1156 }
1157 break;
1158  
1159 case RSVP_OBJ_GENERALIZED_UNI:
1160 switch(rsvp_obj_ctype) {
1161 int subobj_type,af,subobj_len,total_subobj_len;
1162  
1163 case RSVP_CTYPE_1:
1164  
1165 if (obj_tlen < 4)
1166 return-1;
1167  
1168 /* read variable length subobjects */
1169 total_subobj_len = obj_tlen;
1170 while(total_subobj_len > 0) {
1171 subobj_len = EXTRACT_16BITS(obj_tptr);
1172 subobj_type = (EXTRACT_16BITS(obj_tptr+2))>>8;
1173 af = (EXTRACT_16BITS(obj_tptr+2))&0x00FF;
1174  
1175 ND_PRINT((ndo, "%s Subobject Type: %s (%u), AF: %s (%u), length: %u",
1176 ident,
1177 tok2str(rsvp_obj_generalized_uni_values, "Unknown", subobj_type),
1178 subobj_type,
1179 tok2str(af_values, "Unknown", af), af,
1180 subobj_len));
1181  
1182 switch(subobj_type) {
1183 case RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS:
1184 case RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS:
1185  
1186 switch(af) {
1187 case AFNUM_INET:
1188 if (subobj_len < 8)
1189 return -1;
1190 ND_PRINT((ndo, "%s UNI IPv4 TNA address: %s",
1191 ident, ipaddr_string(ndo, obj_tptr + 4)));
1192 break;
1193 #ifdef INET6
1194 case AFNUM_INET6:
1195 if (subobj_len < 20)
1196 return -1;
1197 ND_PRINT((ndo, "%s UNI IPv6 TNA address: %s",
1198 ident, ip6addr_string(ndo, obj_tptr + 4)));
1199 break;
1200 #endif
1201 case AFNUM_NSAP:
1202 if (subobj_len) {
1203 /* unless we have a TLV parser lets just hexdump */
1204 hexdump=TRUE;
1205 }
1206 break;
1207 }
1208 break;
1209  
1210 case RSVP_GEN_UNI_SUBOBJ_DIVERSITY:
1211 if (subobj_len) {
1212 /* unless we have a TLV parser lets just hexdump */
1213 hexdump=TRUE;
1214 }
1215 break;
1216  
1217 case RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL:
1218 if (subobj_len < 16) {
1219 return -1;
1220 }
1221  
1222 ND_PRINT((ndo, "%s U-bit: %x, Label type: %u, Logical port id: %u, Label: %u",
1223 ident,
1224 ((EXTRACT_32BITS(obj_tptr+4))>>31),
1225 ((EXTRACT_32BITS(obj_tptr+4))&0xFF),
1226 EXTRACT_32BITS(obj_tptr+8),
1227 EXTRACT_32BITS(obj_tptr + 12)));
1228 break;
1229  
1230 case RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL:
1231 if (subobj_len < 8) {
1232 return -1;
1233 }
1234  
1235 ND_PRINT((ndo, "%s Service level: %u",
1236 ident, (EXTRACT_32BITS(obj_tptr + 4)) >> 24));
1237 break;
1238  
1239 default:
1240 hexdump=TRUE;
1241 break;
1242 }
1243 total_subobj_len-=subobj_len;
1244 obj_tptr+=subobj_len;
1245 obj_tlen+=subobj_len;
1246 }
1247  
1248 if (total_subobj_len) {
1249 /* unless we have a TLV parser lets just hexdump */
1250 hexdump=TRUE;
1251 }
1252 break;
1253  
1254 default:
1255 hexdump=TRUE;
1256 }
1257 break;
1258  
1259 case RSVP_OBJ_RSVP_HOP:
1260 switch(rsvp_obj_ctype) {
1261 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1262 case RSVP_CTYPE_IPV4:
1263 if (obj_tlen < 8)
1264 return-1;
1265 ND_PRINT((ndo, "%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1266 ident,
1267 ipaddr_string(ndo, obj_tptr),
1268 EXTRACT_32BITS(obj_tptr + 4)));
1269 obj_tlen-=8;
1270 obj_tptr+=8;
1271 if (obj_tlen)
1272 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1273 break;
1274 #ifdef INET6
1275 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1276 case RSVP_CTYPE_IPV6:
1277 if (obj_tlen < 20)
1278 return-1;
1279 ND_PRINT((ndo, "%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1280 ident,
1281 ip6addr_string(ndo, obj_tptr),
1282 EXTRACT_32BITS(obj_tptr + 16)));
1283 obj_tlen-=20;
1284 obj_tptr+=20;
1285 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1286 break;
1287 #endif
1288 default:
1289 hexdump=TRUE;
1290 }
1291 break;
1292  
1293 case RSVP_OBJ_TIME_VALUES:
1294 switch(rsvp_obj_ctype) {
1295 case RSVP_CTYPE_1:
1296 if (obj_tlen < 4)
1297 return-1;
1298 ND_PRINT((ndo, "%s Refresh Period: %ums",
1299 ident,
1300 EXTRACT_32BITS(obj_tptr)));
1301 obj_tlen-=4;
1302 obj_tptr+=4;
1303 break;
1304 default:
1305 hexdump=TRUE;
1306 }
1307 break;
1308  
1309 /* those three objects do share the same semantics */
1310 case RSVP_OBJ_SENDER_TSPEC:
1311 case RSVP_OBJ_ADSPEC:
1312 case RSVP_OBJ_FLOWSPEC:
1313 switch(rsvp_obj_ctype) {
1314 case RSVP_CTYPE_2:
1315 if (obj_tlen < 4)
1316 return-1;
1317 ND_PRINT((ndo, "%s Msg-Version: %u, length: %u",
1318 ident,
1319 (*obj_tptr & 0xf0) >> 4,
1320 EXTRACT_16BITS(obj_tptr + 2) << 2));
1321 obj_tptr+=4; /* get to the start of the service header */
1322 obj_tlen-=4;
1323  
1324 while (obj_tlen >= 4) {
1325 intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
1326 ND_PRINT((ndo, "%s Service Type: %s (%u), break bit %s set, Service length: %u",
1327 ident,
1328 tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)),
1329 *(obj_tptr),
1330 (*(obj_tptr+1)&0x80) ? "" : "not",
1331 intserv_serv_tlen));
1332  
1333 obj_tptr+=4; /* get to the start of the parameter list */
1334 obj_tlen-=4;
1335  
1336 while (intserv_serv_tlen>=4) {
1337 processed = rsvp_intserv_print(ndo, obj_tptr, obj_tlen);
1338 if (processed == 0)
1339 break;
1340 obj_tlen-=processed;
1341 intserv_serv_tlen-=processed;
1342 obj_tptr+=processed;
1343 }
1344 }
1345 break;
1346 default:
1347 hexdump=TRUE;
1348 }
1349 break;
1350  
1351 case RSVP_OBJ_FILTERSPEC:
1352 switch(rsvp_obj_ctype) {
1353 case RSVP_CTYPE_IPV4:
1354 if (obj_tlen < 8)
1355 return-1;
1356 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
1357 ident,
1358 ipaddr_string(ndo, obj_tptr),
1359 EXTRACT_16BITS(obj_tptr + 6)));
1360 obj_tlen-=8;
1361 obj_tptr+=8;
1362 break;
1363 #ifdef INET6
1364 case RSVP_CTYPE_IPV6:
1365 if (obj_tlen < 20)
1366 return-1;
1367 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u",
1368 ident,
1369 ip6addr_string(ndo, obj_tptr),
1370 EXTRACT_16BITS(obj_tptr + 18)));
1371 obj_tlen-=20;
1372 obj_tptr+=20;
1373 break;
1374 case RSVP_CTYPE_3:
1375 if (obj_tlen < 20)
1376 return-1;
1377 ND_PRINT((ndo, "%s Source Address: %s, Flow Label: %u",
1378 ident,
1379 ip6addr_string(ndo, obj_tptr),
1380 EXTRACT_24BITS(obj_tptr + 17)));
1381 obj_tlen-=20;
1382 obj_tptr+=20;
1383 break;
1384 case RSVP_CTYPE_TUNNEL_IPV6:
1385 if (obj_tlen < 20)
1386 return-1;
1387 ND_PRINT((ndo, "%s Source Address: %s, LSP-ID: 0x%04x",
1388 ident,
1389 ipaddr_string(ndo, obj_tptr),
1390 EXTRACT_16BITS(obj_tptr + 18)));
1391 obj_tlen-=20;
1392 obj_tptr+=20;
1393 break;
1394 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
1395 if (obj_tlen < 40)
1396 return-1;
1397 ND_PRINT((ndo, "%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
1398 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
1399 ident,
1400 ip6addr_string(ndo, obj_tptr),
1401 EXTRACT_16BITS(obj_tptr+18),
1402 ident,
1403 ip6addr_string(ndo, obj_tptr+20),
1404 EXTRACT_16BITS(obj_tptr + 38)));
1405 obj_tlen-=40;
1406 obj_tptr+=40;
1407 break;
1408 #endif
1409 case RSVP_CTYPE_TUNNEL_IPV4:
1410 if (obj_tlen < 8)
1411 return-1;
1412 ND_PRINT((ndo, "%s Source Address: %s, LSP-ID: 0x%04x",
1413 ident,
1414 ipaddr_string(ndo, obj_tptr),
1415 EXTRACT_16BITS(obj_tptr + 6)));
1416 obj_tlen-=8;
1417 obj_tptr+=8;
1418 break;
1419 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
1420 if (obj_tlen < 16)
1421 return-1;
1422 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
1423 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
1424 ident,
1425 ipaddr_string(ndo, obj_tptr),
1426 EXTRACT_16BITS(obj_tptr+6),
1427 ident,
1428 ipaddr_string(ndo, obj_tptr+8),
1429 EXTRACT_16BITS(obj_tptr + 12)));
1430 obj_tlen-=16;
1431 obj_tptr+=16;
1432 break;
1433 default:
1434 hexdump=TRUE;
1435 }
1436 break;
1437  
1438 case RSVP_OBJ_FASTREROUTE:
1439 /* the differences between c-type 1 and 7 are minor */
1440 obj_ptr.rsvp_obj_frr = (const struct rsvp_obj_frr_t *)obj_tptr;
1441 bw.i = EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->bandwidth);
1442  
1443 switch(rsvp_obj_ctype) {
1444 case RSVP_CTYPE_1: /* new style */
1445 if (obj_tlen < sizeof(struct rsvp_obj_frr_t))
1446 return-1;
1447 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1448 ident,
1449 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1450 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1451 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1452 bw.f * 8 / 1000000));
1453 ND_PRINT((ndo, "%s Include-any: 0x%08x, Exclude-any: 0x%08x, Include-all: 0x%08x",
1454 ident,
1455 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1456 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any),
1457 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_all)));
1458 obj_tlen-=sizeof(struct rsvp_obj_frr_t);
1459 obj_tptr+=sizeof(struct rsvp_obj_frr_t);
1460 break;
1461  
1462 case RSVP_CTYPE_TUNNEL_IPV4: /* old style */
1463 if (obj_tlen < 16)
1464 return-1;
1465 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1466 ident,
1467 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1468 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1469 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1470 bw.f * 8 / 1000000));
1471 ND_PRINT((ndo, "%s Include Colors: 0x%08x, Exclude Colors: 0x%08x",
1472 ident,
1473 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1474 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any)));
1475 obj_tlen-=16;
1476 obj_tptr+=16;
1477 break;
1478  
1479 default:
1480 hexdump=TRUE;
1481 }
1482 break;
1483  
1484 case RSVP_OBJ_DETOUR:
1485 switch(rsvp_obj_ctype) {
1486 case RSVP_CTYPE_TUNNEL_IPV4:
1487 while(obj_tlen >= 8) {
1488 ND_PRINT((ndo, "%s PLR-ID: %s, Avoid-Node-ID: %s",
1489 ident,
1490 ipaddr_string(ndo, obj_tptr),
1491 ipaddr_string(ndo, obj_tptr + 4)));
1492 obj_tlen-=8;
1493 obj_tptr+=8;
1494 }
1495 break;
1496 default:
1497 hexdump=TRUE;
1498 }
1499 break;
1500  
1501 case RSVP_OBJ_CLASSTYPE:
1502 case RSVP_OBJ_CLASSTYPE_OLD: /* fall through */
1503 switch(rsvp_obj_ctype) {
1504 case RSVP_CTYPE_1:
1505 ND_PRINT((ndo, "%s CT: %u",
1506 ident,
1507 EXTRACT_32BITS(obj_tptr) & 0x7));
1508 obj_tlen-=4;
1509 obj_tptr+=4;
1510 break;
1511 default:
1512 hexdump=TRUE;
1513 }
1514 break;
1515  
1516 case RSVP_OBJ_ERROR_SPEC:
1517 switch(rsvp_obj_ctype) {
1518 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1519 case RSVP_CTYPE_IPV4:
1520 if (obj_tlen < 8)
1521 return-1;
1522 error_code=*(obj_tptr+5);
1523 error_value=EXTRACT_16BITS(obj_tptr+6);
1524 ND_PRINT((ndo, "%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1525 ident,
1526 ipaddr_string(ndo, obj_tptr),
1527 *(obj_tptr+4),
1528 ident,
1529 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1530 error_code));
1531 switch (error_code) {
1532 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1533 ND_PRINT((ndo, ", Error Value: %s (%u)",
1534 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1535 error_value));
1536 break;
1537 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE: /* fall through */
1538 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD:
1539 ND_PRINT((ndo, ", Error Value: %s (%u)",
1540 tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value),
1541 error_value));
1542 break;
1543 default:
1544 ND_PRINT((ndo, ", Unknown Error Value (%u)", error_value));
1545 break;
1546 }
1547 obj_tlen-=8;
1548 obj_tptr+=8;
1549 break;
1550 #ifdef INET6
1551 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1552 case RSVP_CTYPE_IPV6:
1553 if (obj_tlen < 20)
1554 return-1;
1555 error_code=*(obj_tptr+17);
1556 error_value=EXTRACT_16BITS(obj_tptr+18);
1557 ND_PRINT((ndo, "%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1558 ident,
1559 ip6addr_string(ndo, obj_tptr),
1560 *(obj_tptr+16),
1561 ident,
1562 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1563 error_code));
1564  
1565 switch (error_code) {
1566 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1567 ND_PRINT((ndo, ", Error Value: %s (%u)",
1568 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1569 error_value));
1570 break;
1571 default:
1572 break;
1573 }
1574 obj_tlen-=20;
1575 obj_tptr+=20;
1576 break;
1577 #endif
1578 default:
1579 hexdump=TRUE;
1580 }
1581 break;
1582  
1583 case RSVP_OBJ_PROPERTIES:
1584 switch(rsvp_obj_ctype) {
1585 case RSVP_CTYPE_1:
1586 if (obj_tlen < 4)
1587 return-1;
1588 padbytes = EXTRACT_16BITS(obj_tptr+2);
1589 ND_PRINT((ndo, "%s TLV count: %u, padding bytes: %u",
1590 ident,
1591 EXTRACT_16BITS(obj_tptr),
1592 padbytes));
1593 obj_tlen-=4;
1594 obj_tptr+=4;
1595 /* loop through as long there is anything longer than the TLV header (2) */
1596 while(obj_tlen >= 2 + padbytes) {
1597 ND_PRINT((ndo, "%s %s TLV (0x%02x), length: %u", /* length includes header */
1598 ident,
1599 tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
1600 *obj_tptr,
1601 *(obj_tptr + 1)));
1602 if (obj_tlen < *(obj_tptr+1))
1603 return-1;
1604 if (*(obj_tptr+1) < 2)
1605 return -1;
1606 print_unknown_data(ndo, obj_tptr + 2, "\n\t\t", *(obj_tptr + 1) - 2);
1607 obj_tlen-=*(obj_tptr+1);
1608 obj_tptr+=*(obj_tptr+1);
1609 }
1610 break;
1611 default:
1612 hexdump=TRUE;
1613 }
1614 break;
1615  
1616 case RSVP_OBJ_MESSAGE_ID: /* fall through */
1617 case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */
1618 case RSVP_OBJ_MESSAGE_ID_LIST:
1619 switch(rsvp_obj_ctype) {
1620 case RSVP_CTYPE_1:
1621 case RSVP_CTYPE_2:
1622 if (obj_tlen < 8)
1623 return-1;
1624 ND_PRINT((ndo, "%s Flags [0x%02x], epoch: %u",
1625 ident,
1626 *obj_tptr,
1627 EXTRACT_24BITS(obj_tptr + 1)));
1628 obj_tlen-=4;
1629 obj_tptr+=4;
1630 /* loop through as long there are no messages left */
1631 while(obj_tlen >= 4) {
1632 ND_PRINT((ndo, "%s Message-ID 0x%08x (%u)",
1633 ident,
1634 EXTRACT_32BITS(obj_tptr),
1635 EXTRACT_32BITS(obj_tptr)));
1636 obj_tlen-=4;
1637 obj_tptr+=4;
1638 }
1639 break;
1640 default:
1641 hexdump=TRUE;
1642 }
1643 break;
1644  
1645 case RSVP_OBJ_INTEGRITY:
1646 switch(rsvp_obj_ctype) {
1647 case RSVP_CTYPE_1:
1648 if (obj_tlen < sizeof(struct rsvp_obj_integrity_t))
1649 return-1;
1650 obj_ptr.rsvp_obj_integrity = (const struct rsvp_obj_integrity_t *)obj_tptr;
1651 ND_PRINT((ndo, "%s Key-ID 0x%04x%08x, Sequence 0x%08x%08x, Flags [%s]",
1652 ident,
1653 EXTRACT_16BITS(obj_ptr.rsvp_obj_integrity->key_id),
1654 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->key_id+2),
1655 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence),
1656 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence+4),
1657 bittok2str(rsvp_obj_integrity_flag_values,
1658 "none",
1659 obj_ptr.rsvp_obj_integrity->flags)));
1660 ND_PRINT((ndo, "%s MD5-sum 0x%08x%08x%08x%08x ",
1661 ident,
1662 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest),
1663 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+4),
1664 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+8),
1665 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest + 12)));
1666  
1667 #ifdef HAVE_LIBCRYPTO
1668 sigcheck = signature_verify(ndo, pptr, plen, (unsigned char *)obj_ptr.\
1669 rsvp_obj_integrity->digest);
1670 #else
1671 sigcheck = CANT_CHECK_SIGNATURE;
1672 #endif
1673 ND_PRINT((ndo, " (%s)", tok2str(signature_check_values, "Unknown", sigcheck)));
1674  
1675 obj_tlen+=sizeof(struct rsvp_obj_integrity_t);
1676 obj_tptr+=sizeof(struct rsvp_obj_integrity_t);
1677 break;
1678 default:
1679 hexdump=TRUE;
1680 }
1681 break;
1682  
1683 case RSVP_OBJ_ADMIN_STATUS:
1684 switch(rsvp_obj_ctype) {
1685 case RSVP_CTYPE_1:
1686 if (obj_tlen < 4)
1687 return-1;
1688 ND_PRINT((ndo, "%s Flags [%s]", ident,
1689 bittok2str(rsvp_obj_admin_status_flag_values, "none",
1690 EXTRACT_32BITS(obj_tptr))));
1691 obj_tlen-=4;
1692 obj_tptr+=4;
1693 break;
1694 default:
1695 hexdump=TRUE;
1696 }
1697 break;
1698  
1699 case RSVP_OBJ_LABEL_SET:
1700 switch(rsvp_obj_ctype) {
1701 case RSVP_CTYPE_1:
1702 if (obj_tlen < 4)
1703 return-1;
1704 action = (EXTRACT_16BITS(obj_tptr)>>8);
1705  
1706 ND_PRINT((ndo, "%s Action: %s (%u), Label type: %u", ident,
1707 tok2str(rsvp_obj_label_set_action_values, "Unknown", action),
1708 action, ((EXTRACT_32BITS(obj_tptr) & 0x7F))));
1709  
1710 switch (action) {
1711 case LABEL_SET_INCLUSIVE_RANGE:
1712 case LABEL_SET_EXCLUSIVE_RANGE: /* fall through */
1713  
1714 /* only a couple of subchannels are expected */
1715 if (obj_tlen < 12)
1716 return -1;
1717 ND_PRINT((ndo, "%s Start range: %u, End range: %u", ident,
1718 EXTRACT_32BITS(obj_tptr+4),
1719 EXTRACT_32BITS(obj_tptr + 8)));
1720 obj_tlen-=12;
1721 obj_tptr+=12;
1722 break;
1723  
1724 default:
1725 obj_tlen-=4;
1726 obj_tptr+=4;
1727 subchannel = 1;
1728 while(obj_tlen >= 4 ) {
1729 ND_PRINT((ndo, "%s Subchannel #%u: %u", ident, subchannel,
1730 EXTRACT_32BITS(obj_tptr)));
1731 obj_tptr+=4;
1732 obj_tlen-=4;
1733 subchannel++;
1734 }
1735 break;
1736 }
1737 break;
1738 default:
1739 hexdump=TRUE;
1740 }
1741  
1742 case RSVP_OBJ_S2L:
1743 switch (rsvp_obj_ctype) {
1744 case RSVP_CTYPE_IPV4:
1745 if (obj_tlen < 4)
1746 return-1;
1747 ND_PRINT((ndo, "%s Sub-LSP destination address: %s",
1748 ident, ipaddr_string(ndo, obj_tptr)));
1749  
1750 obj_tlen-=4;
1751 obj_tptr+=4;
1752 break;
1753 #ifdef INET6
1754 case RSVP_CTYPE_IPV6:
1755 if (obj_tlen < 16)
1756 return-1;
1757 ND_PRINT((ndo, "%s Sub-LSP destination address: %s",
1758 ident, ip6addr_string(ndo, obj_tptr)));
1759  
1760 obj_tlen-=16;
1761 obj_tptr+=16;
1762 break;
1763 #endif
1764 default:
1765 hexdump=TRUE;
1766 }
1767  
1768 /*
1769 * FIXME those are the defined objects that lack a decoder
1770 * you are welcome to contribute code ;-)
1771 */
1772  
1773 case RSVP_OBJ_SCOPE:
1774 case RSVP_OBJ_POLICY_DATA:
1775 case RSVP_OBJ_ACCEPT_LABEL_SET:
1776 case RSVP_OBJ_PROTECTION:
1777 default:
1778 if (ndo->ndo_vflag <= 1)
1779 print_unknown_data(ndo, obj_tptr, "\n\t ", obj_tlen); /* FIXME indentation */
1780 break;
1781 }
1782 /* do we also want to see a hex dump ? */
1783 if (ndo->ndo_vflag > 1 || hexdump == TRUE)
1784 print_unknown_data(ndo, tptr + sizeof(struct rsvp_object_header), "\n\t ", /* FIXME indentation */
1785 rsvp_obj_len - sizeof(struct rsvp_object_header));
1786  
1787 tptr+=rsvp_obj_len;
1788 tlen-=rsvp_obj_len;
1789 }
1790 return 0;
1791 trunc:
1792 ND_PRINT((ndo, "\n\t\t packet exceeded snapshot"));
1793 return -1;
1794 }
1795  
1796 void
1797 rsvp_print(netdissect_options *ndo,
1798 register const u_char *pptr, register u_int len)
1799 {
1800 struct rsvp_common_header *rsvp_com_header;
1801 const u_char *tptr,*subtptr;
1802 u_short plen, tlen, subtlen;
1803  
1804 tptr=pptr;
1805  
1806 rsvp_com_header = (struct rsvp_common_header *)pptr;
1807 ND_TCHECK(*rsvp_com_header);
1808  
1809 /*
1810 * Sanity checking of the header.
1811 */
1812 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1813 ND_PRINT((ndo, "ERROR: RSVP version %u packet not supported",
1814 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)));
1815 return;
1816 }
1817  
1818 /* in non-verbose mode just lets print the basic Message Type*/
1819 if (ndo->ndo_vflag < 1) {
1820 ND_PRINT((ndo, "RSVPv%u %s Message, length: %u",
1821 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1822 tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
1823 len));
1824 return;
1825 }
1826  
1827 /* ok they seem to want to know everything - lets fully decode it */
1828  
1829 plen = tlen = EXTRACT_16BITS(rsvp_com_header->length);
1830  
1831 ND_PRINT((ndo, "\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1832 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1833 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1834 rsvp_com_header->msg_type,
1835 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1836 tlen,
1837 rsvp_com_header->ttl,
1838 EXTRACT_16BITS(rsvp_com_header->checksum)));
1839  
1840 /*
1841 * Clear checksum prior to signature verification.
1842 */
1843 rsvp_com_header->checksum[0] = 0;
1844 rsvp_com_header->checksum[1] = 0;
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_AGGREGATE:
1858 while(tlen > 0) {
1859 subtptr=tptr;
1860 rsvp_com_header = (struct rsvp_common_header *)subtptr;
1861 ND_TCHECK(*rsvp_com_header);
1862  
1863 /*
1864 * Sanity checking of the header.
1865 */
1866 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1867 ND_PRINT((ndo, "ERROR: RSVP version %u packet not supported",
1868 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)));
1869 return;
1870 }
1871 subtlen=EXTRACT_16BITS(rsvp_com_header->length);
1872  
1873 ND_PRINT((ndo, "\n\t RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1874 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1875 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1876 rsvp_com_header->msg_type,
1877 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1878 subtlen,
1879 rsvp_com_header->ttl,
1880 EXTRACT_16BITS(rsvp_com_header->checksum)));
1881  
1882 /*
1883 * Clear checksum prior to signature verification.
1884 */
1885 rsvp_com_header->checksum[0] = 0;
1886 rsvp_com_header->checksum[1] = 0;
1887  
1888 if (subtlen < sizeof(const struct rsvp_common_header)) {
1889 ND_PRINT((ndo, "ERROR: common header too short %u < %lu", subtlen,
1890 (unsigned long)sizeof(const struct rsvp_common_header)));
1891 return;
1892 }
1893  
1894 if (tlen < subtlen) {
1895 ND_PRINT((ndo, "ERROR: common header too large %u > %u", subtlen,
1896 tlen));
1897 return;
1898 }
1899  
1900 subtptr+=sizeof(const struct rsvp_common_header);
1901 subtlen-=sizeof(const struct rsvp_common_header);
1902  
1903 if (rsvp_obj_print(ndo, pptr, plen, subtptr, "\n\t ", subtlen) == -1)
1904 return;
1905  
1906 tptr+=subtlen+sizeof(const struct rsvp_common_header);
1907 tlen-=subtlen+sizeof(const struct rsvp_common_header);
1908 }
1909  
1910 break;
1911  
1912 case RSVP_MSGTYPE_PATH:
1913 case RSVP_MSGTYPE_RESV:
1914 case RSVP_MSGTYPE_PATHERR:
1915 case RSVP_MSGTYPE_RESVERR:
1916 case RSVP_MSGTYPE_PATHTEAR:
1917 case RSVP_MSGTYPE_RESVTEAR:
1918 case RSVP_MSGTYPE_RESVCONF:
1919 case RSVP_MSGTYPE_HELLO_OLD:
1920 case RSVP_MSGTYPE_HELLO:
1921 case RSVP_MSGTYPE_ACK:
1922 case RSVP_MSGTYPE_SREFRESH:
1923 if (rsvp_obj_print(ndo, pptr, plen, tptr, "\n\t ", tlen) == -1)
1924 return;
1925 break;
1926  
1927 default:
1928 print_unknown_data(ndo, tptr, "\n\t ", tlen);
1929 break;
1930 }
1931  
1932 return;
1933 trunc:
1934 ND_PRINT((ndo, "\n\t\t packet exceeded snapshot"));
1935 }