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RSVP: use nd_ types in rsvp_obj_integrity_t and rsvp_obj_frr_t.
[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@gredler.at)
16 */
17
18 /* \summary: Resource ReSerVation Protocol (RSVP) printer */
19
20 /* specification: RFC 2205 */
21
22 #ifdef HAVE_CONFIG_H
23 #include <config.h>
24 #endif
25
26 #include "netdissect-stdinc.h"
27
28 #define ND_LONGJMP_FROM_TCHECK
29 #include "netdissect.h"
30 #include "extract.h"
31 #include "addrtoname.h"
32 #include "ethertype.h"
33 #include "gmpls.h"
34 #include "af.h"
35 #include "signature.h"
36
37
38 /*
39 * RFC 2205 common header
40 *
41 * 0 1 2 3
42 * +-------------+-------------+-------------+-------------+
43 * | Vers | Flags| Msg Type | RSVP Checksum |
44 * +-------------+-------------+-------------+-------------+
45 * | Send_TTL | (Reserved) | RSVP Length |
46 * +-------------+-------------+-------------+-------------+
47 *
48 */
49
50 struct rsvp_common_header {
51 nd_uint8_t version_flags;
52 nd_uint8_t msg_type;
53 nd_uint16_t checksum;
54 nd_uint8_t ttl;
55 nd_byte reserved[1];
56 nd_uint16_t length;
57 };
58
59 /*
60 * RFC2205 object header
61 *
62 *
63 * 0 1 2 3
64 * +-------------+-------------+-------------+-------------+
65 * | Length (bytes) | Class-Num | C-Type |
66 * +-------------+-------------+-------------+-------------+
67 * | |
68 * // (Object contents) //
69 * | |
70 * +-------------+-------------+-------------+-------------+
71 */
72
73 struct rsvp_object_header {
74 nd_uint16_t length;
75 nd_uint8_t class_num;
76 nd_uint8_t ctype;
77 };
78
79 #define RSVP_VERSION 1
80 #define RSVP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
81 #define RSVP_EXTRACT_FLAGS(x) ((x)&0x0f)
82
83 #define RSVP_MSGTYPE_PATH 1
84 #define RSVP_MSGTYPE_RESV 2
85 #define RSVP_MSGTYPE_PATHERR 3
86 #define RSVP_MSGTYPE_RESVERR 4
87 #define RSVP_MSGTYPE_PATHTEAR 5
88 #define RSVP_MSGTYPE_RESVTEAR 6
89 #define RSVP_MSGTYPE_RESVCONF 7
90 #define RSVP_MSGTYPE_BUNDLE 12
91 #define RSVP_MSGTYPE_ACK 13
92 #define RSVP_MSGTYPE_HELLO_OLD 14 /* ancient Hellos */
93 #define RSVP_MSGTYPE_SREFRESH 15
94 #define RSVP_MSGTYPE_HELLO 20
95
96 static const struct tok rsvp_msg_type_values[] = {
97 { RSVP_MSGTYPE_PATH, "Path" },
98 { RSVP_MSGTYPE_RESV, "Resv" },
99 { RSVP_MSGTYPE_PATHERR, "PathErr" },
100 { RSVP_MSGTYPE_RESVERR, "ResvErr" },
101 { RSVP_MSGTYPE_PATHTEAR, "PathTear" },
102 { RSVP_MSGTYPE_RESVTEAR, "ResvTear" },
103 { RSVP_MSGTYPE_RESVCONF, "ResvConf" },
104 { RSVP_MSGTYPE_BUNDLE, "Bundle" },
105 { RSVP_MSGTYPE_ACK, "Acknowledgement" },
106 { RSVP_MSGTYPE_HELLO_OLD, "Hello (Old)" },
107 { RSVP_MSGTYPE_SREFRESH, "Refresh" },
108 { RSVP_MSGTYPE_HELLO, "Hello" },
109 { 0, NULL}
110 };
111
112 static const struct tok rsvp_header_flag_values[] = {
113 { 0x01, "Refresh reduction capable" }, /* rfc2961 */
114 { 0, NULL}
115 };
116
117 static const struct tok rsvp_obj_capability_flag_values[] = {
118 { 0x0004, "RecoveryPath Transmit Enabled" },
119 { 0x0002, "RecoveryPath Desired" },
120 { 0x0001, "RecoveryPath Srefresh Capable" },
121 { 0, NULL}
122 };
123
124 #define RSVP_OBJ_SESSION 1 /* rfc2205 */
125 #define RSVP_OBJ_RSVP_HOP 3 /* rfc2205, rfc3473 */
126 #define RSVP_OBJ_INTEGRITY 4 /* rfc2747 */
127 #define RSVP_OBJ_TIME_VALUES 5 /* rfc2205 */
128 #define RSVP_OBJ_ERROR_SPEC 6
129 #define RSVP_OBJ_SCOPE 7
130 #define RSVP_OBJ_STYLE 8 /* rfc2205 */
131 #define RSVP_OBJ_FLOWSPEC 9 /* rfc2215 */
132 #define RSVP_OBJ_FILTERSPEC 10 /* rfc2215 */
133 #define RSVP_OBJ_SENDER_TEMPLATE 11
134 #define RSVP_OBJ_SENDER_TSPEC 12 /* rfc2215 */
135 #define RSVP_OBJ_ADSPEC 13 /* rfc2215 */
136 #define RSVP_OBJ_POLICY_DATA 14
137 #define RSVP_OBJ_CONFIRM 15 /* rfc2205 */
138 #define RSVP_OBJ_LABEL 16 /* rfc3209 */
139 #define RSVP_OBJ_LABEL_REQ 19 /* rfc3209 */
140 #define RSVP_OBJ_ERO 20 /* rfc3209 */
141 #define RSVP_OBJ_RRO 21 /* rfc3209 */
142 #define RSVP_OBJ_HELLO 22 /* rfc3209 */
143 #define RSVP_OBJ_MESSAGE_ID 23 /* rfc2961 */
144 #define RSVP_OBJ_MESSAGE_ID_ACK 24 /* rfc2961 */
145 #define RSVP_OBJ_MESSAGE_ID_LIST 25 /* rfc2961 */
146 #define RSVP_OBJ_RECOVERY_LABEL 34 /* rfc3473 */
147 #define RSVP_OBJ_UPSTREAM_LABEL 35 /* rfc3473 */
148 #define RSVP_OBJ_LABEL_SET 36 /* rfc3473 */
149 #define RSVP_OBJ_PROTECTION 37 /* rfc3473 */
150 #define RSVP_OBJ_S2L 50 /* rfc4875 */
151 #define RSVP_OBJ_DETOUR 63 /* rfc4090 */
152 #define RSVP_OBJ_CLASSTYPE 66 /* rfc4124 */
153 #define RSVP_OBJ_CLASSTYPE_OLD 125 /* draft-ietf-tewg-diff-te-proto-07 */
154 #define RSVP_OBJ_SUGGESTED_LABEL 129 /* rfc3473 */
155 #define RSVP_OBJ_ACCEPT_LABEL_SET 130 /* rfc3473 */
156 #define RSVP_OBJ_RESTART_CAPABILITY 131 /* rfc3473 */
157 #define RSVP_OBJ_CAPABILITY 134 /* rfc5063 */
158 #define RSVP_OBJ_NOTIFY_REQ 195 /* rfc3473 */
159 #define RSVP_OBJ_ADMIN_STATUS 196 /* rfc3473 */
160 #define RSVP_OBJ_PROPERTIES 204 /* juniper proprietary */
161 #define RSVP_OBJ_FASTREROUTE 205 /* rfc4090 */
162 #define RSVP_OBJ_SESSION_ATTRIBUTE 207 /* rfc3209 */
163 #define RSVP_OBJ_GENERALIZED_UNI 229 /* OIF RSVP extensions UNI 1.0 Signaling, Rel. 2 */
164 #define RSVP_OBJ_CALL_ID 230 /* rfc3474 */
165 #define RSVP_OBJ_CALL_OPS 236 /* rfc3474 */
166
167 static const struct tok rsvp_obj_values[] = {
168 { RSVP_OBJ_SESSION, "Session" },
169 { RSVP_OBJ_RSVP_HOP, "RSVP Hop" },
170 { RSVP_OBJ_INTEGRITY, "Integrity" },
171 { RSVP_OBJ_TIME_VALUES, "Time Values" },
172 { RSVP_OBJ_ERROR_SPEC, "Error Spec" },
173 { RSVP_OBJ_SCOPE, "Scope" },
174 { RSVP_OBJ_STYLE, "Style" },
175 { RSVP_OBJ_FLOWSPEC, "Flowspec" },
176 { RSVP_OBJ_FILTERSPEC, "FilterSpec" },
177 { RSVP_OBJ_SENDER_TEMPLATE, "Sender Template" },
178 { RSVP_OBJ_SENDER_TSPEC, "Sender TSpec" },
179 { RSVP_OBJ_ADSPEC, "Adspec" },
180 { RSVP_OBJ_POLICY_DATA, "Policy Data" },
181 { RSVP_OBJ_CONFIRM, "Confirm" },
182 { RSVP_OBJ_LABEL, "Label" },
183 { RSVP_OBJ_LABEL_REQ, "Label Request" },
184 { RSVP_OBJ_ERO, "ERO" },
185 { RSVP_OBJ_RRO, "RRO" },
186 { RSVP_OBJ_HELLO, "Hello" },
187 { RSVP_OBJ_MESSAGE_ID, "Message ID" },
188 { RSVP_OBJ_MESSAGE_ID_ACK, "Message ID Ack" },
189 { RSVP_OBJ_MESSAGE_ID_LIST, "Message ID List" },
190 { RSVP_OBJ_RECOVERY_LABEL, "Recovery Label" },
191 { RSVP_OBJ_UPSTREAM_LABEL, "Upstream Label" },
192 { RSVP_OBJ_LABEL_SET, "Label Set" },
193 { RSVP_OBJ_ACCEPT_LABEL_SET, "Acceptable Label Set" },
194 { RSVP_OBJ_DETOUR, "Detour" },
195 { RSVP_OBJ_CLASSTYPE, "Class Type" },
196 { RSVP_OBJ_CLASSTYPE_OLD, "Class Type (old)" },
197 { RSVP_OBJ_SUGGESTED_LABEL, "Suggested Label" },
198 { RSVP_OBJ_PROPERTIES, "Properties" },
199 { RSVP_OBJ_FASTREROUTE, "Fast Re-Route" },
200 { RSVP_OBJ_SESSION_ATTRIBUTE, "Session Attribute" },
201 { RSVP_OBJ_GENERALIZED_UNI, "Generalized UNI" },
202 { RSVP_OBJ_CALL_ID, "Call-ID" },
203 { RSVP_OBJ_CALL_OPS, "Call Capability" },
204 { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" },
205 { RSVP_OBJ_CAPABILITY, "Capability" },
206 { RSVP_OBJ_NOTIFY_REQ, "Notify Request" },
207 { RSVP_OBJ_PROTECTION, "Protection" },
208 { RSVP_OBJ_ADMIN_STATUS, "Administrative Status" },
209 { RSVP_OBJ_S2L, "Sub-LSP to LSP" },
210 { 0, NULL}
211 };
212
213 #define RSVP_CTYPE_IPV4 1
214 #define RSVP_CTYPE_IPV6 2
215 #define RSVP_CTYPE_TUNNEL_IPV4 7
216 #define RSVP_CTYPE_TUNNEL_IPV6 8
217 #define RSVP_CTYPE_UNI_IPV4 11 /* OIF RSVP extensions UNI 1.0 Signaling Rel. 2 */
218 #define RSVP_CTYPE_1 1
219 #define RSVP_CTYPE_2 2
220 #define RSVP_CTYPE_3 3
221 #define RSVP_CTYPE_4 4
222 #define RSVP_CTYPE_12 12
223 #define RSVP_CTYPE_13 13
224 #define RSVP_CTYPE_14 14
225
226 /*
227 * the ctypes are not globally unique so for
228 * translating it to strings we build a table based
229 * on objects offsetted by the ctype
230 */
231
232 static const struct tok rsvp_ctype_values[] = {
233 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV4, "IPv4" },
234 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV6, "IPv6" },
235 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
236 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
237 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV4, "IPv4" },
238 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV6, "IPv6" },
239 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV4, "IPv4" },
240 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV6, "IPv6" },
241 { 256*RSVP_OBJ_TIME_VALUES+RSVP_CTYPE_1, "1" },
242 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_1, "obsolete" },
243 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_2, "IntServ" },
244 { 256*RSVP_OBJ_SENDER_TSPEC+RSVP_CTYPE_2, "IntServ" },
245 { 256*RSVP_OBJ_ADSPEC+RSVP_CTYPE_2, "IntServ" },
246 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV4, "IPv4" },
247 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6, "IPv6" },
248 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3, "IPv6 Flow-label" },
249 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
250 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" },
251 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" },
252 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4, "IPv4" },
253 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6, "IPv6" },
254 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
255 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_UNI_IPV4, "UNI IPv4" },
256 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_13, "IPv4 P2MP LSP Tunnel" },
257 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_14, "IPv6 P2MP LSP Tunnel" },
258 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV4, "IPv4" },
259 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6, "IPv6" },
260 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
261 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" },
262 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" },
263 { 256*RSVP_OBJ_MESSAGE_ID+RSVP_CTYPE_1, "1" },
264 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_1, "Message id ack" },
265 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_2, "Message id nack" },
266 { 256*RSVP_OBJ_MESSAGE_ID_LIST+RSVP_CTYPE_1, "1" },
267 { 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1, "1" },
268 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1, "Hello Request" },
269 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2, "Hello Ack" },
270 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1, "without label range" },
271 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2, "with ATM label range" },
272 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3, "with FR label range" },
273 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4, "Generalized Label" },
274 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1, "Label" },
275 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_2, "Generalized Label" },
276 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
277 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1, "Label" },
278 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_2, "Generalized Label" },
279 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
280 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1, "Label" },
281 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_2, "Generalized Label" },
282 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
283 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_1, "Label" },
284 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_2, "Generalized Label" },
285 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
286 { 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4, "IPv4" },
287 { 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4, "IPv4" },
288 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4, "IPv4" },
289 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6, "IPv6" },
290 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
291 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
292 { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1, "IPv4" },
293 { 256*RSVP_OBJ_CAPABILITY+RSVP_CTYPE_1, "1" },
294 { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
295 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, /* old style*/
296 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_1, "1" }, /* new style */
297 { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
298 { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1, "1" },
299 { 256*RSVP_OBJ_ADMIN_STATUS+RSVP_CTYPE_1, "1" },
300 { 256*RSVP_OBJ_CLASSTYPE+RSVP_CTYPE_1, "1" },
301 { 256*RSVP_OBJ_CLASSTYPE_OLD+RSVP_CTYPE_1, "1" },
302 { 256*RSVP_OBJ_LABEL_SET+RSVP_CTYPE_1, "1" },
303 { 256*RSVP_OBJ_GENERALIZED_UNI+RSVP_CTYPE_1, "1" },
304 { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV4, "IPv4 sub-LSP" },
305 { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV6, "IPv6 sub-LSP" },
306 { 0, NULL}
307 };
308
309 /*
310 * XXX - this assumes a 16-byte digest, which is true for HMAC-MD5, but
311 * isn't necessarily the case for other hash algorithms.
312 *
313 * Unless I've missed something, there's nothing in RFC 2747 to indicate
314 * the hash algorithm being used, so it's presumably something set up
315 * out-of-band, or negotiated by other RSVP objects.
316 */
317 struct rsvp_obj_integrity_t {
318 nd_uint8_t flags;
319 nd_uint8_t res;
320 nd_byte key_id[6];
321 nd_byte sequence[8];
322 nd_byte digest[16];
323 };
324
325 static const struct tok rsvp_obj_integrity_flag_values[] = {
326 { 0x80, "Handshake" },
327 { 0, NULL}
328 };
329
330 struct rsvp_obj_frr_t {
331 nd_uint8_t setup_prio;
332 nd_uint8_t hold_prio;
333 nd_uint8_t hop_limit;
334 nd_uint8_t flags;
335 nd_float bandwidth;
336 nd_uint32_t include_any;
337 nd_uint32_t exclude_any;
338 nd_uint32_t include_all;
339 };
340
341
342 #define RSVP_OBJ_XRO_MASK_SUBOBJ(x) ((x)&0x7f)
343 #define RSVP_OBJ_XRO_MASK_LOOSE(x) ((x)&0x80)
344
345 #define RSVP_OBJ_CAPABILITY_FLAGS_MASK 0x7U
346
347 #define RSVP_OBJ_XRO_RES 0
348 #define RSVP_OBJ_XRO_IPV4 1
349 #define RSVP_OBJ_XRO_IPV6 2
350 #define RSVP_OBJ_XRO_LABEL 3
351 #define RSVP_OBJ_XRO_ASN 32
352 #define RSVP_OBJ_XRO_MPLS 64
353
354 static const struct tok rsvp_obj_xro_values[] = {
355 { RSVP_OBJ_XRO_RES, "Reserved" },
356 { RSVP_OBJ_XRO_IPV4, "IPv4 prefix" },
357 { RSVP_OBJ_XRO_IPV6, "IPv6 prefix" },
358 { RSVP_OBJ_XRO_LABEL, "Label" },
359 { RSVP_OBJ_XRO_ASN, "Autonomous system number" },
360 { RSVP_OBJ_XRO_MPLS, "MPLS label switched path termination" },
361 { 0, NULL}
362 };
363
364 /* RFC4090 */
365 static const struct tok rsvp_obj_rro_flag_values[] = {
366 { 0x01, "Local protection available" },
367 { 0x02, "Local protection in use" },
368 { 0x04, "Bandwidth protection" },
369 { 0x08, "Node protection" },
370 { 0, NULL}
371 };
372
373 /* RFC3209 */
374 static const struct tok rsvp_obj_rro_label_flag_values[] = {
375 { 0x01, "Global" },
376 { 0, NULL}
377 };
378
379 static const struct tok rsvp_resstyle_values[] = {
380 { 17, "Wildcard Filter" },
381 { 10, "Fixed Filter" },
382 { 18, "Shared Explicit" },
383 { 0, NULL}
384 };
385
386 #define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2
387 #define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5
388
389 static const struct tok rsvp_intserv_service_type_values[] = {
390 { 1, "Default/Global Information" },
391 { RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" },
392 { RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" },
393 { 0, NULL}
394 };
395
396 static const struct tok rsvp_intserv_parameter_id_values[] = {
397 { 4, "IS hop cnt" },
398 { 6, "Path b/w estimate" },
399 { 8, "Minimum path latency" },
400 { 10, "Composed MTU" },
401 { 127, "Token Bucket TSpec" },
402 { 130, "Guaranteed Service RSpec" },
403 { 133, "End-to-end composed value for C" },
404 { 134, "End-to-end composed value for D" },
405 { 135, "Since-last-reshaping point composed C" },
406 { 136, "Since-last-reshaping point composed D" },
407 { 0, NULL}
408 };
409
410 static const struct tok rsvp_session_attribute_flag_values[] = {
411 { 0x01, "Local Protection" },
412 { 0x02, "Label Recording" },
413 { 0x04, "SE Style" },
414 { 0x08, "Bandwidth protection" }, /* RFC4090 */
415 { 0x10, "Node protection" }, /* RFC4090 */
416 { 0, NULL}
417 };
418
419 static const struct tok rsvp_obj_prop_tlv_values[] = {
420 { 0x01, "Cos" },
421 { 0x02, "Metric 1" },
422 { 0x04, "Metric 2" },
423 { 0x08, "CCC Status" },
424 { 0x10, "Path Type" },
425 { 0, NULL}
426 };
427
428 #define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24
429 #define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY 25
430 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 28
431 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD 125
432
433 static const struct tok rsvp_obj_error_code_values[] = {
434 { RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" },
435 { RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY, "Notify Error" },
436 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE, "Diffserv TE Error" },
437 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD, "Diffserv TE Error (Old)" },
438 { 0, NULL}
439 };
440
441 static const struct tok rsvp_obj_error_code_routing_values[] = {
442 { 1, "Bad EXPLICIT_ROUTE object" },
443 { 2, "Bad strict node" },
444 { 3, "Bad loose node" },
445 { 4, "Bad initial subobject" },
446 { 5, "No route available toward destination" },
447 { 6, "Unacceptable label value" },
448 { 7, "RRO indicated routing loops" },
449 { 8, "non-RSVP-capable router in the path" },
450 { 9, "MPLS label allocation failure" },
451 { 10, "Unsupported L3PID" },
452 { 0, NULL}
453 };
454
455 static const struct tok rsvp_obj_error_code_diffserv_te_values[] = {
456 { 1, "Unexpected CT object" },
457 { 2, "Unsupported CT" },
458 { 3, "Invalid CT value" },
459 { 4, "CT/setup priority do not form a configured TE-Class" },
460 { 5, "CT/holding priority do not form a configured TE-Class" },
461 { 6, "CT/setup priority and CT/holding priority do not form a configured TE-Class" },
462 { 7, "Inconsistency between signaled PSC and signaled CT" },
463 { 8, "Inconsistency between signaled PHBs and signaled CT" },
464 { 0, NULL}
465 };
466
467 /* rfc3473 / rfc 3471 */
468 static const struct tok rsvp_obj_admin_status_flag_values[] = {
469 { 0x80000000, "Reflect" },
470 { 0x00000004, "Testing" },
471 { 0x00000002, "Admin-down" },
472 { 0x00000001, "Delete-in-progress" },
473 { 0, NULL}
474 };
475
476 /* label set actions - rfc3471 */
477 #define LABEL_SET_INCLUSIVE_LIST 0
478 #define LABEL_SET_EXCLUSIVE_LIST 1
479 #define LABEL_SET_INCLUSIVE_RANGE 2
480 #define LABEL_SET_EXCLUSIVE_RANGE 3
481
482 static const struct tok rsvp_obj_label_set_action_values[] = {
483 { LABEL_SET_INCLUSIVE_LIST, "Inclusive list" },
484 { LABEL_SET_EXCLUSIVE_LIST, "Exclusive list" },
485 { LABEL_SET_INCLUSIVE_RANGE, "Inclusive range" },
486 { LABEL_SET_EXCLUSIVE_RANGE, "Exclusive range" },
487 { 0, NULL}
488 };
489
490 /* OIF RSVP extensions UNI 1.0 Signaling, release 2 */
491 #define RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS 1
492 #define RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS 2
493 #define RSVP_GEN_UNI_SUBOBJ_DIVERSITY 3
494 #define RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL 4
495 #define RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL 5
496
497 static const struct tok rsvp_obj_generalized_uni_values[] = {
498 { RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS, "Source TNA address" },
499 { RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS, "Destination TNA address" },
500 { RSVP_GEN_UNI_SUBOBJ_DIVERSITY, "Diversity" },
501 { RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL, "Egress label" },
502 { RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL, "Service level" },
503 { 0, NULL}
504 };
505
506 /*
507 * this is a dissector for all the intserv defined
508 * specs as defined per rfc2215
509 * it is called from various rsvp objects;
510 * returns the amount of bytes being processed
511 */
512 static u_int
513 rsvp_intserv_print(netdissect_options *ndo,
514 const u_char *tptr, u_int obj_tlen)
515 {
516 u_int parameter_id,parameter_length;
517 float bw;
518
519 ND_ICHECK_U(obj_tlen, <, 4);
520 parameter_id = GET_U_1(tptr);
521 parameter_length = GET_BE_U_2(tptr + 2)<<2; /* convert wordcount to bytecount */
522
523 ND_PRINT("\n\t Parameter ID: %s (%u), length: %u, Flags: [0x%02x]",
524 tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id),
525 parameter_id,
526 parameter_length,
527 GET_U_1(tptr + 1));
528
529 ND_ICHECK_U(obj_tlen, <, parameter_length + 4);
530 switch(parameter_id) { /* parameter_id */
531
532 case 4:
533 /*
534 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
535 * | 4 (e) | (f) | 1 (g) |
536 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
537 * | IS hop cnt (32-bit unsigned integer) |
538 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
539 */
540 if (parameter_length == 4) {
541 ND_PRINT("\n\t\tIS hop count: %u", GET_BE_U_4(tptr + 4));
542 }
543 break;
544
545 case 6:
546 /*
547 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
548 * | 6 (h) | (i) | 1 (j) |
549 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
550 * | Path b/w estimate (32-bit IEEE floating point number) |
551 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
552 */
553 if (parameter_length == 4) {
554 bw = GET_BE_F_4(tptr + 4);
555 ND_PRINT("\n\t\tPath b/w estimate: %.10g Mbps", bw / 125000);
556 }
557 break;
558
559 case 8:
560 /*
561 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
562 * | 8 (k) | (l) | 1 (m) |
563 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
564 * | Minimum path latency (32-bit integer) |
565 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
566 */
567 if (parameter_length == 4) {
568 ND_PRINT("\n\t\tMinimum path latency: ");
569 if (GET_BE_U_4(tptr + 4) == 0xffffffff)
570 ND_PRINT("don't care");
571 else
572 ND_PRINT("%u", GET_BE_U_4(tptr + 4));
573 }
574 break;
575
576 case 10:
577
578 /*
579 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
580 * | 10 (n) | (o) | 1 (p) |
581 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
582 * | Composed MTU (32-bit unsigned integer) |
583 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
584 */
585 if (parameter_length == 4) {
586 ND_PRINT("\n\t\tComposed MTU: %u bytes", GET_BE_U_4(tptr + 4));
587 }
588 break;
589 case 127:
590 /*
591 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
592 * | 127 (e) | 0 (f) | 5 (g) |
593 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
594 * | Token Bucket Rate [r] (32-bit IEEE floating point number) |
595 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
596 * | Token Bucket Size [b] (32-bit IEEE floating point number) |
597 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
598 * | Peak Data Rate [p] (32-bit IEEE floating point number) |
599 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
600 * | Minimum Policed Unit [m] (32-bit integer) |
601 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
602 * | Maximum Packet Size [M] (32-bit integer) |
603 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
604 */
605
606 if (parameter_length == 20) {
607 bw = GET_BE_F_4(tptr + 4);
608 ND_PRINT("\n\t\tToken Bucket Rate: %.10g Mbps", bw / 125000);
609 bw = GET_BE_F_4(tptr + 8);
610 ND_PRINT("\n\t\tToken Bucket Size: %.10g bytes", bw);
611 bw = GET_BE_F_4(tptr + 12);
612 ND_PRINT("\n\t\tPeak Data Rate: %.10g Mbps", bw / 125000);
613 ND_PRINT("\n\t\tMinimum Policed Unit: %u bytes",
614 GET_BE_U_4(tptr + 16));
615 ND_PRINT("\n\t\tMaximum Packet Size: %u bytes",
616 GET_BE_U_4(tptr + 20));
617 }
618 break;
619
620 case 130:
621 /*
622 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
623 * | 130 (h) | 0 (i) | 2 (j) |
624 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
625 * | Rate [R] (32-bit IEEE floating point number) |
626 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
627 * | Slack Term [S] (32-bit integer) |
628 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
629 */
630
631 if (parameter_length == 8) {
632 bw = GET_BE_F_4(tptr + 4);
633 ND_PRINT("\n\t\tRate: %.10g Mbps", bw / 125000);
634 ND_PRINT("\n\t\tSlack Term: %u", GET_BE_U_4(tptr + 8));
635 }
636 break;
637
638 case 133:
639 case 134:
640 case 135:
641 case 136:
642 if (parameter_length == 4) {
643 ND_PRINT("\n\t\tValue: %u", GET_BE_U_4(tptr + 4));
644 }
645 break;
646
647 default:
648 if (ndo->ndo_vflag <= 1)
649 print_unknown_data(ndo, tptr + 4, "\n\t\t", parameter_length);
650 }
651 return (parameter_length+4); /* header length 4 bytes */
652
653 invalid:
654 nd_print_invalid(ndo);
655 return 0;
656 }
657
658 /*
659 * Clear checksum prior to signature verification.
660 */
661 static void
662 rsvp_clear_checksum(void *header)
663 {
664 struct rsvp_common_header *rsvp_com_header = (struct rsvp_common_header *) header;
665
666 rsvp_com_header->checksum[0] = 0;
667 rsvp_com_header->checksum[1] = 0;
668 }
669
670 static int
671 rsvp_obj_print(netdissect_options *ndo,
672 const u_char *pptr, u_int plen, const u_char *tptr,
673 const char *indent, u_int tlen,
674 const struct rsvp_common_header *rsvp_com_header)
675 {
676 const struct rsvp_object_header *rsvp_obj_header;
677 const u_char *obj_tptr;
678 union {
679 const struct rsvp_obj_integrity_t *rsvp_obj_integrity;
680 const struct rsvp_obj_frr_t *rsvp_obj_frr;
681 } obj_ptr;
682
683 u_short rsvp_obj_len,rsvp_obj_ctype,rsvp_obj_class_num;
684 u_int obj_tlen,intserv_serv_tlen;
685 int hexdump;
686 u_int processed,padbytes,error_code,error_value,i,sigcheck;
687 float bw;
688 u_int namelen;
689
690 u_int action, subchannel;
691
692 while(tlen>=sizeof(struct rsvp_object_header)) {
693 rsvp_obj_header = (const struct rsvp_object_header *)tptr;
694 rsvp_obj_len=GET_BE_U_2(rsvp_obj_header->length);
695 rsvp_obj_ctype=GET_U_1(rsvp_obj_header->ctype);
696
697 if(rsvp_obj_len % 4) {
698 ND_PRINT("%sERROR: object header size %u not a multiple of 4", indent, rsvp_obj_len);
699 return -1;
700 }
701 if(rsvp_obj_len < sizeof(struct rsvp_object_header)) {
702 ND_PRINT("%sERROR: object header too short %u < %zu", indent, rsvp_obj_len,
703 sizeof(struct rsvp_object_header));
704 return -1;
705 }
706
707 rsvp_obj_class_num = GET_U_1(rsvp_obj_header->class_num);
708 ND_PRINT("%s%s Object (%u) Flags: [%s",
709 indent,
710 tok2str(rsvp_obj_values,
711 "Unknown",
712 rsvp_obj_class_num),
713 rsvp_obj_class_num,
714 (rsvp_obj_class_num & 0x80) ?
715 ((rsvp_obj_class_num & 0x40) ? "ignore and forward" :
716 "ignore silently") :
717 "reject");
718
719 ND_PRINT(" if unknown], Class-Type: %s (%u), length: %u",
720 tok2str(rsvp_ctype_values,
721 "Unknown",
722 (rsvp_obj_class_num<<8)+rsvp_obj_ctype),
723 rsvp_obj_ctype,
724 rsvp_obj_len);
725
726 if(tlen < rsvp_obj_len) {
727 ND_PRINT("%sERROR: object goes past end of objects TLV", indent);
728 return -1;
729 }
730
731 obj_tptr=tptr+sizeof(struct rsvp_object_header);
732 obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
733
734 /* did we capture enough for fully decoding the object ? */
735 ND_TCHECK_LEN(tptr, rsvp_obj_len);
736 hexdump=FALSE;
737
738 switch(rsvp_obj_class_num) {
739 case RSVP_OBJ_SESSION:
740 switch(rsvp_obj_ctype) {
741 case RSVP_CTYPE_IPV4:
742 if (obj_tlen < 8)
743 goto obj_tooshort;
744 ND_PRINT("%s IPv4 DestAddress: %s, Protocol ID: 0x%02x",
745 indent,
746 GET_IPADDR_STRING(obj_tptr),
747 GET_U_1(obj_tptr + sizeof(nd_ipv4)));
748 ND_PRINT("%s Flags: [0x%02x], DestPort %u",
749 indent,
750 GET_U_1((obj_tptr + 5)),
751 GET_BE_U_2(obj_tptr + 6));
752 obj_tlen-=8;
753 obj_tptr+=8;
754 break;
755 case RSVP_CTYPE_IPV6:
756 if (obj_tlen < 20)
757 goto obj_tooshort;
758 ND_PRINT("%s IPv6 DestAddress: %s, Protocol ID: 0x%02x",
759 indent,
760 GET_IP6ADDR_STRING(obj_tptr),
761 GET_U_1(obj_tptr + sizeof(nd_ipv6)));
762 ND_PRINT("%s Flags: [0x%02x], DestPort %u",
763 indent,
764 GET_U_1((obj_tptr + sizeof(nd_ipv6) + 1)),
765 GET_BE_U_2(obj_tptr + sizeof(nd_ipv6) + 2));
766 obj_tlen-=20;
767 obj_tptr+=20;
768 break;
769
770 case RSVP_CTYPE_TUNNEL_IPV6:
771 if (obj_tlen < 36)
772 goto obj_tooshort;
773 ND_PRINT("%s IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
774 indent,
775 GET_IP6ADDR_STRING(obj_tptr),
776 GET_BE_U_2(obj_tptr + 18),
777 GET_IP6ADDR_STRING(obj_tptr + 20));
778 obj_tlen-=36;
779 obj_tptr+=36;
780 break;
781
782 case RSVP_CTYPE_14: /* IPv6 p2mp LSP Tunnel */
783 if (obj_tlen < 26)
784 goto obj_tooshort;
785 ND_PRINT("%s IPv6 P2MP LSP ID: 0x%08x, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
786 indent,
787 GET_BE_U_4(obj_tptr),
788 GET_BE_U_2(obj_tptr + 6),
789 GET_IP6ADDR_STRING(obj_tptr + 8));
790 obj_tlen-=26;
791 obj_tptr+=26;
792 break;
793 case RSVP_CTYPE_13: /* IPv4 p2mp LSP Tunnel */
794 if (obj_tlen < 12)
795 goto obj_tooshort;
796 ND_PRINT("%s IPv4 P2MP LSP ID: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
797 indent,
798 GET_IPADDR_STRING(obj_tptr),
799 GET_BE_U_2(obj_tptr + 6),
800 GET_IPADDR_STRING(obj_tptr + 8));
801 obj_tlen-=12;
802 obj_tptr+=12;
803 break;
804 case RSVP_CTYPE_TUNNEL_IPV4:
805 case RSVP_CTYPE_UNI_IPV4:
806 if (obj_tlen < 12)
807 goto obj_tooshort;
808 ND_PRINT("%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
809 indent,
810 GET_IPADDR_STRING(obj_tptr),
811 GET_BE_U_2(obj_tptr + 6),
812 GET_IPADDR_STRING(obj_tptr + 8));
813 obj_tlen-=12;
814 obj_tptr+=12;
815 break;
816 default:
817 hexdump=TRUE;
818 }
819 break;
820
821 case RSVP_OBJ_CONFIRM:
822 switch(rsvp_obj_ctype) {
823 case RSVP_CTYPE_IPV4:
824 if (obj_tlen < sizeof(nd_ipv4))
825 goto obj_tooshort;
826 ND_PRINT("%s IPv4 Receiver Address: %s",
827 indent,
828 GET_IPADDR_STRING(obj_tptr));
829 obj_tlen-=sizeof(nd_ipv4);
830 obj_tptr+=sizeof(nd_ipv4);
831 break;
832 case RSVP_CTYPE_IPV6:
833 if (obj_tlen < sizeof(nd_ipv6))
834 goto obj_tooshort;
835 ND_PRINT("%s IPv6 Receiver Address: %s",
836 indent,
837 GET_IP6ADDR_STRING(obj_tptr));
838 obj_tlen-=sizeof(nd_ipv6);
839 obj_tptr+=sizeof(nd_ipv6);
840 break;
841 default:
842 hexdump=TRUE;
843 }
844 break;
845
846 case RSVP_OBJ_NOTIFY_REQ:
847 switch(rsvp_obj_ctype) {
848 case RSVP_CTYPE_IPV4:
849 if (obj_tlen < sizeof(nd_ipv4))
850 goto obj_tooshort;
851 ND_PRINT("%s IPv4 Notify Node Address: %s",
852 indent,
853 GET_IPADDR_STRING(obj_tptr));
854 obj_tlen-=sizeof(nd_ipv4);
855 obj_tptr+=sizeof(nd_ipv4);
856 break;
857 case RSVP_CTYPE_IPV6:
858 if (obj_tlen < sizeof(nd_ipv6))
859 goto obj_tooshort;
860 ND_PRINT("%s IPv6 Notify Node Address: %s",
861 indent,
862 GET_IP6ADDR_STRING(obj_tptr));
863 obj_tlen-=sizeof(nd_ipv6);
864 obj_tptr+=sizeof(nd_ipv6);
865 break;
866 default:
867 hexdump=TRUE;
868 }
869 break;
870
871 case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
872 case RSVP_OBJ_UPSTREAM_LABEL: /* fall through */
873 case RSVP_OBJ_RECOVERY_LABEL: /* fall through */
874 case RSVP_OBJ_LABEL:
875 switch(rsvp_obj_ctype) {
876 case RSVP_CTYPE_1:
877 while(obj_tlen >= 4 ) {
878 ND_PRINT("%s Label: %u", indent, GET_BE_U_4(obj_tptr));
879 obj_tlen-=4;
880 obj_tptr+=4;
881 }
882 break;
883 case RSVP_CTYPE_2:
884 if (obj_tlen < 4)
885 goto obj_tooshort;
886 ND_PRINT("%s Generalized Label: %u",
887 indent,
888 GET_BE_U_4(obj_tptr));
889 obj_tlen-=4;
890 obj_tptr+=4;
891 break;
892 case RSVP_CTYPE_3:
893 if (obj_tlen < 12)
894 goto obj_tooshort;
895 ND_PRINT("%s Waveband ID: %u%s Start Label: %u, Stop Label: %u",
896 indent,
897 GET_BE_U_4(obj_tptr),
898 indent,
899 GET_BE_U_4(obj_tptr + 4),
900 GET_BE_U_4(obj_tptr + 8));
901 obj_tlen-=12;
902 obj_tptr+=12;
903 break;
904 default:
905 hexdump=TRUE;
906 }
907 break;
908
909 case RSVP_OBJ_STYLE:
910 switch(rsvp_obj_ctype) {
911 case RSVP_CTYPE_1:
912 if (obj_tlen < 4)
913 goto obj_tooshort;
914 ND_PRINT("%s Reservation Style: %s, Flags: [0x%02x]",
915 indent,
916 tok2str(rsvp_resstyle_values,
917 "Unknown",
918 GET_BE_U_3(obj_tptr + 1)),
919 GET_U_1(obj_tptr));
920 obj_tlen-=4;
921 obj_tptr+=4;
922 break;
923 default:
924 hexdump=TRUE;
925 }
926 break;
927
928 case RSVP_OBJ_SENDER_TEMPLATE:
929 switch(rsvp_obj_ctype) {
930 case RSVP_CTYPE_IPV4:
931 if (obj_tlen < 8)
932 goto obj_tooshort;
933 ND_PRINT("%s Source Address: %s, Source Port: %u",
934 indent,
935 GET_IPADDR_STRING(obj_tptr),
936 GET_BE_U_2(obj_tptr + 6));
937 obj_tlen-=8;
938 obj_tptr+=8;
939 break;
940 case RSVP_CTYPE_IPV6:
941 if (obj_tlen < 20)
942 goto obj_tooshort;
943 ND_PRINT("%s Source Address: %s, Source Port: %u",
944 indent,
945 GET_IP6ADDR_STRING(obj_tptr),
946 GET_BE_U_2(obj_tptr + 18));
947 obj_tlen-=20;
948 obj_tptr+=20;
949 break;
950 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
951 if (obj_tlen < 40)
952 goto obj_tooshort;
953 ND_PRINT("%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
954 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
955 indent,
956 GET_IP6ADDR_STRING(obj_tptr),
957 GET_BE_U_2(obj_tptr + 18),
958 indent,
959 GET_IP6ADDR_STRING(obj_tptr+20),
960 GET_BE_U_2(obj_tptr + 38));
961 obj_tlen-=40;
962 obj_tptr+=40;
963 break;
964 case RSVP_CTYPE_TUNNEL_IPV4:
965 if (obj_tlen < 8)
966 goto obj_tooshort;
967 ND_PRINT("%s IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
968 indent,
969 GET_IPADDR_STRING(obj_tptr),
970 GET_BE_U_2(obj_tptr + 6));
971 obj_tlen-=8;
972 obj_tptr+=8;
973 break;
974 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
975 if (obj_tlen < 16)
976 goto obj_tooshort;
977 ND_PRINT("%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
978 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
979 indent,
980 GET_IPADDR_STRING(obj_tptr),
981 GET_BE_U_2(obj_tptr + 6),
982 indent,
983 GET_IPADDR_STRING(obj_tptr+8),
984 GET_BE_U_2(obj_tptr + 12));
985 obj_tlen-=16;
986 obj_tptr+=16;
987 break;
988 default:
989 hexdump=TRUE;
990 }
991 break;
992
993 case RSVP_OBJ_LABEL_REQ:
994 switch(rsvp_obj_ctype) {
995 case RSVP_CTYPE_1:
996 while(obj_tlen >= 4 ) {
997 ND_PRINT("%s L3 Protocol ID: %s",
998 indent,
999 tok2str(ethertype_values,
1000 "Unknown Protocol (0x%04x)",
1001 GET_BE_U_2(obj_tptr + 2)));
1002 obj_tlen-=4;
1003 obj_tptr+=4;
1004 }
1005 break;
1006 case RSVP_CTYPE_2:
1007 if (obj_tlen < 12)
1008 goto obj_tooshort;
1009 ND_PRINT("%s L3 Protocol ID: %s",
1010 indent,
1011 tok2str(ethertype_values,
1012 "Unknown Protocol (0x%04x)",
1013 GET_BE_U_2(obj_tptr + 2)));
1014 ND_PRINT(",%s merge capability",
1015 ((GET_U_1(obj_tptr + 4)) & 0x80) ? "no" : "" );
1016 ND_PRINT("%s Minimum VPI/VCI: %u/%u",
1017 indent,
1018 (GET_BE_U_2(obj_tptr + 4))&0xfff,
1019 (GET_BE_U_2(obj_tptr + 6)) & 0xfff);
1020 ND_PRINT("%s Maximum VPI/VCI: %u/%u",
1021 indent,
1022 (GET_BE_U_2(obj_tptr + 8))&0xfff,
1023 (GET_BE_U_2(obj_tptr + 10)) & 0xfff);
1024 obj_tlen-=12;
1025 obj_tptr+=12;
1026 break;
1027 case RSVP_CTYPE_3:
1028 if (obj_tlen < 12)
1029 goto obj_tooshort;
1030 ND_PRINT("%s L3 Protocol ID: %s",
1031 indent,
1032 tok2str(ethertype_values,
1033 "Unknown Protocol (0x%04x)",
1034 GET_BE_U_2(obj_tptr + 2)));
1035 ND_PRINT("%s Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI",
1036 indent,
1037 (GET_BE_U_4(obj_tptr + 4))&0x7fffff,
1038 (GET_BE_U_4(obj_tptr + 8))&0x7fffff,
1039 (((GET_BE_U_2(obj_tptr + 4)>>7)&3) == 0 ) ? "10" : "",
1040 (((GET_BE_U_2(obj_tptr + 4) >> 7) & 3) == 2 ) ? "23" : "");
1041 obj_tlen-=12;
1042 obj_tptr+=12;
1043 break;
1044 case RSVP_CTYPE_4:
1045 if (obj_tlen < 4)
1046 goto obj_tooshort;
1047 ND_PRINT("%s LSP Encoding Type: %s (%u)",
1048 indent,
1049 tok2str(gmpls_encoding_values,
1050 "Unknown",
1051 GET_U_1(obj_tptr)),
1052 GET_U_1(obj_tptr));
1053 ND_PRINT("%s Switching Type: %s (%u), Payload ID: %s (0x%04x)",
1054 indent,
1055 tok2str(gmpls_switch_cap_values,
1056 "Unknown",
1057 GET_U_1((obj_tptr + 1))),
1058 GET_U_1(obj_tptr + 1),
1059 tok2str(gmpls_payload_values,
1060 "Unknown",
1061 GET_BE_U_2(obj_tptr + 2)),
1062 GET_BE_U_2(obj_tptr + 2));
1063 obj_tlen-=4;
1064 obj_tptr+=4;
1065 break;
1066 default:
1067 hexdump=TRUE;
1068 }
1069 break;
1070
1071 case RSVP_OBJ_RRO:
1072 case RSVP_OBJ_ERO:
1073 switch(rsvp_obj_ctype) {
1074 case RSVP_CTYPE_IPV4:
1075 while(obj_tlen >= 4 ) {
1076 u_char length;
1077
1078 ND_TCHECK_4(obj_tptr);
1079 length = GET_U_1(obj_tptr + 1);
1080 ND_PRINT("%s Subobject Type: %s, length %u",
1081 indent,
1082 tok2str(rsvp_obj_xro_values,
1083 "Unknown %u",
1084 RSVP_OBJ_XRO_MASK_SUBOBJ(GET_U_1(obj_tptr))),
1085 length);
1086 if (obj_tlen < length) {
1087 ND_PRINT("%s ERROR: ERO subobject length > object length", indent);
1088 break;
1089 }
1090
1091 if (length == 0) { /* prevent infinite loops */
1092 ND_PRINT("%s ERROR: zero length ERO subtype", indent);
1093 break;
1094 }
1095
1096 switch(RSVP_OBJ_XRO_MASK_SUBOBJ(GET_U_1(obj_tptr))) {
1097 u_char prefix_length;
1098
1099 case RSVP_OBJ_XRO_IPV4:
1100 if (length != 8) {
1101 ND_PRINT(" ERROR: length != 8");
1102 goto invalid;
1103 }
1104 ND_TCHECK_8(obj_tptr);
1105 prefix_length = GET_U_1(obj_tptr + 6);
1106 if (prefix_length != 32) {
1107 ND_PRINT(" ERROR: Prefix length %u != 32",
1108 prefix_length);
1109 goto invalid;
1110 }
1111 ND_PRINT(", %s, %s/%u, Flags: [%s]",
1112 RSVP_OBJ_XRO_MASK_LOOSE(GET_U_1(obj_tptr)) ? "Loose" : "Strict",
1113 GET_IPADDR_STRING(obj_tptr+2),
1114 GET_U_1((obj_tptr + 6)),
1115 bittok2str(rsvp_obj_rro_flag_values,
1116 "none",
1117 GET_U_1((obj_tptr + 7)))); /* rfc3209 says that this field is rsvd. */
1118 break;
1119 case RSVP_OBJ_XRO_LABEL:
1120 if (length != 8) {
1121 ND_PRINT(" ERROR: length != 8");
1122 goto invalid;
1123 }
1124 ND_PRINT(", Flags: [%s] (%#x), Class-Type: %s (%u), %u",
1125 bittok2str(rsvp_obj_rro_label_flag_values,
1126 "none",
1127 GET_U_1((obj_tptr + 2))),
1128 GET_U_1(obj_tptr + 2),
1129 tok2str(rsvp_ctype_values,
1130 "Unknown",
1131 GET_U_1((obj_tptr + 3)) + (256 * RSVP_OBJ_RRO)),
1132 GET_U_1((obj_tptr + 3)),
1133 GET_BE_U_4(obj_tptr + 4));
1134 }
1135 obj_tlen-=length;
1136 obj_tptr+=length;
1137 }
1138 break;
1139 default:
1140 hexdump=TRUE;
1141 }
1142 break;
1143
1144 case RSVP_OBJ_HELLO:
1145 switch(rsvp_obj_ctype) {
1146 case RSVP_CTYPE_1:
1147 case RSVP_CTYPE_2:
1148 if (obj_tlen < 8)
1149 goto obj_tooshort;
1150 ND_PRINT("%s Source Instance: 0x%08x, Destination Instance: 0x%08x",
1151 indent,
1152 GET_BE_U_4(obj_tptr),
1153 GET_BE_U_4(obj_tptr + 4));
1154 obj_tlen-=8;
1155 obj_tptr+=8;
1156 break;
1157 default:
1158 hexdump=TRUE;
1159 }
1160 break;
1161
1162 case RSVP_OBJ_RESTART_CAPABILITY:
1163 switch(rsvp_obj_ctype) {
1164 case RSVP_CTYPE_1:
1165 if (obj_tlen < 8)
1166 goto obj_tooshort;
1167 ND_PRINT("%s Restart Time: %ums, Recovery Time: %ums",
1168 indent,
1169 GET_BE_U_4(obj_tptr),
1170 GET_BE_U_4(obj_tptr + 4));
1171 obj_tlen-=8;
1172 obj_tptr+=8;
1173 break;
1174 default:
1175 hexdump=TRUE;
1176 }
1177 break;
1178
1179 case RSVP_OBJ_CAPABILITY:
1180 switch(rsvp_obj_ctype) {
1181 case RSVP_CTYPE_1:
1182 if (obj_tlen < 4)
1183 goto obj_tooshort;
1184 uint32_t unused_and_flags = GET_BE_U_4(obj_tptr);
1185 if (unused_and_flags & ~RSVP_OBJ_CAPABILITY_FLAGS_MASK)
1186 ND_PRINT("%s [reserved=0x%08x must be zero]", indent,
1187 unused_and_flags & ~RSVP_OBJ_CAPABILITY_FLAGS_MASK);
1188 ND_PRINT("%s Flags: [%s]",
1189 indent,
1190 bittok2str(rsvp_obj_capability_flag_values,
1191 "none",
1192 (unused_and_flags & RSVP_OBJ_CAPABILITY_FLAGS_MASK)));
1193 obj_tlen-=4;
1194 obj_tptr+=4;
1195 break;
1196 default:
1197 hexdump=TRUE;
1198 }
1199 break;
1200
1201 case RSVP_OBJ_SESSION_ATTRIBUTE:
1202 switch(rsvp_obj_ctype) {
1203 case RSVP_CTYPE_TUNNEL_IPV4:
1204 if (obj_tlen < 4)
1205 goto obj_tooshort;
1206 namelen = GET_U_1(obj_tptr + 3);
1207 if (obj_tlen < 4+namelen)
1208 goto obj_tooshort;
1209 ND_PRINT("%s Session Name: ", indent);
1210 for (i = 0; i < namelen; i++)
1211 fn_print_char(ndo, GET_U_1(obj_tptr + 4 + i));
1212 ND_PRINT("%s Setup Priority: %u, Holding Priority: %u, Flags: [%s] (%#x)",
1213 indent,
1214 GET_U_1(obj_tptr),
1215 GET_U_1(obj_tptr + 1),
1216 bittok2str(rsvp_session_attribute_flag_values,
1217 "none",
1218 GET_U_1((obj_tptr + 2))),
1219 GET_U_1(obj_tptr + 2));
1220 obj_tlen-=4+namelen;
1221 obj_tptr+=4+namelen;
1222 break;
1223 default:
1224 hexdump=TRUE;
1225 }
1226 break;
1227
1228 case RSVP_OBJ_GENERALIZED_UNI:
1229 switch(rsvp_obj_ctype) {
1230 u_int subobj_type,af,subobj_len,total_subobj_len;
1231
1232 case RSVP_CTYPE_1:
1233
1234 if (obj_tlen < 4)
1235 goto obj_tooshort;
1236
1237 /* read variable length subobjects */
1238 total_subobj_len = obj_tlen;
1239 while(total_subobj_len != 0) {
1240 /* If RFC 3476 Section 3.1 defined that a sub-object of the
1241 * GENERALIZED_UNI RSVP object must have the Length field as
1242 * a multiple of 4, instead of the check below it would be
1243 * better to test total_subobj_len only once before the loop.
1244 * So long as it does not define it and this while loop does
1245 * not implement such a requirement, let's accept that within
1246 * each iteration subobj_len may happen to be a multiple of 1
1247 * and test it and total_subobj_len respectively.
1248 */
1249 ND_ICHECK_U(total_subobj_len, <, 4);
1250 subobj_len = GET_BE_U_2(obj_tptr);
1251 subobj_type = (GET_BE_U_2(obj_tptr + 2))>>8;
1252 af = (GET_BE_U_2(obj_tptr + 2))&0x00FF;
1253
1254 ND_PRINT("%s Subobject Type: %s (%u), AF: %s (%u), length: %u",
1255 indent,
1256 tok2str(rsvp_obj_generalized_uni_values, "Unknown", subobj_type),
1257 subobj_type,
1258 tok2str(af_values, "Unknown", af), af,
1259 subobj_len);
1260
1261 /* In addition to what is explained above, the same spec does not
1262 * explicitly say that the same Length field includes the 4-octet
1263 * sub-object header, but as long as this while loop implements it
1264 * as it does include, let's keep the check below consistent with
1265 * the rest of the code.
1266 *
1267 * XXX - RFC 3476 Section 3.1 says "The contents of these
1268 * sub-objects are described in [8]", where [8] is
1269 * UNI 1.0 Signaling Specification, The Optical
1270 * Internetworking Forum. The URL they give for that
1271 * document is
1272 *
1273 * http://www.oiforum.com/public/UNI_1.0_ia.html
1274 *
1275 * but that doesn't work; the new URL appears to be
1276 *
1277 * https://web.archive.org/web/20160401194747/http://www.oiforum.com/public/documents/OIF-UNI-01.0.pdf
1278 *
1279 * and *that* document, in section 12.5.2.3
1280 * "GENERALIZED_UNI Object (Class-Num=11bbbbbb (TBA))",
1281 * says nothing about the length field in general, but
1282 * some of the examples it gives in subsections have
1283 * length field values that clearly includes the length
1284 * of the sub-object header as well as the length of the
1285 * value.
1286 */
1287 if(subobj_len < 4 || subobj_len > total_subobj_len ||
1288 obj_tlen < subobj_len)
1289 goto invalid;
1290
1291 switch(subobj_type) {
1292 case RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS:
1293 case RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS:
1294
1295 switch(af) {
1296 case AFNUM_IP:
1297 if (subobj_len < 8)
1298 goto subobj_tooshort;
1299 ND_PRINT("%s UNI IPv4 TNA address: %s",
1300 indent, GET_IPADDR_STRING(obj_tptr + 4));
1301 break;
1302 case AFNUM_IP6:
1303 if (subobj_len < 20)
1304 goto subobj_tooshort;
1305 ND_PRINT("%s UNI IPv6 TNA address: %s",
1306 indent, GET_IP6ADDR_STRING(obj_tptr + 4));
1307 break;
1308 case AFNUM_NSAP:
1309 if (subobj_len) {
1310 /* unless we have a TLV parser lets just hexdump */
1311 hexdump=TRUE;
1312 }
1313 break;
1314 }
1315 break;
1316
1317 case RSVP_GEN_UNI_SUBOBJ_DIVERSITY:
1318 if (subobj_len > 4) {
1319 /* unless we have a TLV parser lets just hexdump */
1320 hexdump=TRUE;
1321 }
1322 break;
1323
1324 case RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL:
1325 if (subobj_len < 16) {
1326 goto subobj_tooshort;
1327 }
1328
1329 ND_PRINT("%s U-bit: %x, Label type: %u, Logical port id: %u, Label: %u",
1330 indent,
1331 ((GET_BE_U_4(obj_tptr + 4))>>31),
1332 ((GET_BE_U_4(obj_tptr + 4))&0xFF),
1333 GET_BE_U_4(obj_tptr + 8),
1334 GET_BE_U_4(obj_tptr + 12));
1335 break;
1336
1337 case RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL:
1338 if (subobj_len < 8) {
1339 goto subobj_tooshort;
1340 }
1341
1342 ND_PRINT("%s Service level: %u",
1343 indent, (GET_BE_U_4(obj_tptr + 4)) >> 24);
1344 break;
1345
1346 default:
1347 hexdump=TRUE;
1348 break;
1349 }
1350 total_subobj_len-=subobj_len;
1351 obj_tptr+=subobj_len;
1352 obj_tlen+=subobj_len;
1353 }
1354 break;
1355
1356 default:
1357 hexdump=TRUE;
1358 }
1359 break;
1360
1361 case RSVP_OBJ_RSVP_HOP:
1362 switch(rsvp_obj_ctype) {
1363 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1364 case RSVP_CTYPE_IPV4:
1365 if (obj_tlen < 8)
1366 goto obj_tooshort;
1367 ND_PRINT("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1368 indent,
1369 GET_IPADDR_STRING(obj_tptr),
1370 GET_BE_U_4(obj_tptr + 4));
1371 obj_tlen-=8;
1372 obj_tptr+=8;
1373 if (obj_tlen)
1374 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1375 break;
1376 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1377 case RSVP_CTYPE_IPV6:
1378 if (obj_tlen < 20)
1379 goto obj_tooshort;
1380 ND_PRINT("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1381 indent,
1382 GET_IP6ADDR_STRING(obj_tptr),
1383 GET_BE_U_4(obj_tptr + 16));
1384 obj_tlen-=20;
1385 obj_tptr+=20;
1386 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1387 break;
1388 default:
1389 hexdump=TRUE;
1390 }
1391 break;
1392
1393 case RSVP_OBJ_TIME_VALUES:
1394 switch(rsvp_obj_ctype) {
1395 case RSVP_CTYPE_1:
1396 if (obj_tlen < 4)
1397 goto obj_tooshort;
1398 ND_PRINT("%s Refresh Period: %ums",
1399 indent,
1400 GET_BE_U_4(obj_tptr));
1401 obj_tlen-=4;
1402 obj_tptr+=4;
1403 break;
1404 default:
1405 hexdump=TRUE;
1406 }
1407 break;
1408
1409 /* those three objects do share the same semantics */
1410 case RSVP_OBJ_SENDER_TSPEC:
1411 case RSVP_OBJ_ADSPEC:
1412 case RSVP_OBJ_FLOWSPEC:
1413 switch(rsvp_obj_ctype) {
1414 case RSVP_CTYPE_2:
1415 if (obj_tlen < 4)
1416 goto obj_tooshort;
1417 ND_PRINT("%s Msg-Version: %u, length: %u",
1418 indent,
1419 (GET_U_1(obj_tptr) & 0xf0) >> 4,
1420 GET_BE_U_2(obj_tptr + 2) << 2);
1421 obj_tptr+=4; /* get to the start of the service header */
1422 obj_tlen-=4;
1423
1424 while (obj_tlen >= 4) {
1425 intserv_serv_tlen=GET_BE_U_2(obj_tptr + 2)<<2;
1426 ND_PRINT("%s Service Type: %s (%u), break bit %sset, Service length: %u",
1427 indent,
1428 tok2str(rsvp_intserv_service_type_values,"unknown",GET_U_1((obj_tptr))),
1429 GET_U_1(obj_tptr),
1430 (GET_U_1(obj_tptr + 1)&0x80) ? "" : "not ",
1431 intserv_serv_tlen);
1432
1433 obj_tptr+=4; /* get to the start of the parameter list */
1434 obj_tlen-=4;
1435
1436 while (intserv_serv_tlen>=4) {
1437 processed = rsvp_intserv_print(ndo, obj_tptr, obj_tlen);
1438 if (processed == 0)
1439 break;
1440 obj_tlen-=processed;
1441 intserv_serv_tlen-=processed;
1442 obj_tptr+=processed;
1443 }
1444 }
1445 break;
1446 default:
1447 hexdump=TRUE;
1448 }
1449 break;
1450
1451 case RSVP_OBJ_FILTERSPEC:
1452 switch(rsvp_obj_ctype) {
1453 case RSVP_CTYPE_IPV4:
1454 if (obj_tlen < 8)
1455 goto obj_tooshort;
1456 ND_PRINT("%s Source Address: %s, Source Port: %u",
1457 indent,
1458 GET_IPADDR_STRING(obj_tptr),
1459 GET_BE_U_2(obj_tptr + 6));
1460 obj_tlen-=8;
1461 obj_tptr+=8;
1462 break;
1463 case RSVP_CTYPE_IPV6:
1464 if (obj_tlen < 20)
1465 goto obj_tooshort;
1466 ND_PRINT("%s Source Address: %s, Source Port: %u",
1467 indent,
1468 GET_IP6ADDR_STRING(obj_tptr),
1469 GET_BE_U_2(obj_tptr + 18));
1470 obj_tlen-=20;
1471 obj_tptr+=20;
1472 break;
1473 case RSVP_CTYPE_3:
1474 if (obj_tlen < 20)
1475 goto obj_tooshort;
1476 ND_PRINT("%s Source Address: %s, Flow Label: %u",
1477 indent,
1478 GET_IP6ADDR_STRING(obj_tptr),
1479 GET_BE_U_3(obj_tptr + 17));
1480 obj_tlen-=20;
1481 obj_tptr+=20;
1482 break;
1483 case RSVP_CTYPE_TUNNEL_IPV6:
1484 if (obj_tlen < 20)
1485 goto obj_tooshort;
1486 ND_PRINT("%s Source Address: %s, LSP-ID: 0x%04x",
1487 indent,
1488 GET_IPADDR_STRING(obj_tptr),
1489 GET_BE_U_2(obj_tptr + 18));
1490 obj_tlen-=20;
1491 obj_tptr+=20;
1492 break;
1493 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
1494 if (obj_tlen < 40)
1495 goto obj_tooshort;
1496 ND_PRINT("%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
1497 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
1498 indent,
1499 GET_IP6ADDR_STRING(obj_tptr),
1500 GET_BE_U_2(obj_tptr + 18),
1501 indent,
1502 GET_IP6ADDR_STRING(obj_tptr+20),
1503 GET_BE_U_2(obj_tptr + 38));
1504 obj_tlen-=40;
1505 obj_tptr+=40;
1506 break;
1507 case RSVP_CTYPE_TUNNEL_IPV4:
1508 if (obj_tlen < 8)
1509 goto obj_tooshort;
1510 ND_PRINT("%s Source Address: %s, LSP-ID: 0x%04x",
1511 indent,
1512 GET_IPADDR_STRING(obj_tptr),
1513 GET_BE_U_2(obj_tptr + 6));
1514 obj_tlen-=8;
1515 obj_tptr+=8;
1516 break;
1517 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
1518 if (obj_tlen < 16)
1519 goto obj_tooshort;
1520 ND_PRINT("%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
1521 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
1522 indent,
1523 GET_IPADDR_STRING(obj_tptr),
1524 GET_BE_U_2(obj_tptr + 6),
1525 indent,
1526 GET_IPADDR_STRING(obj_tptr+8),
1527 GET_BE_U_2(obj_tptr + 12));
1528 obj_tlen-=16;
1529 obj_tptr+=16;
1530 break;
1531 default:
1532 hexdump=TRUE;
1533 }
1534 break;
1535
1536 case RSVP_OBJ_FASTREROUTE:
1537 /* the differences between c-type 1 and 7 are minor */
1538 obj_ptr.rsvp_obj_frr = (const struct rsvp_obj_frr_t *)obj_tptr;
1539
1540 switch(rsvp_obj_ctype) {
1541 case RSVP_CTYPE_1: /* new style */
1542 if (obj_tlen < sizeof(struct rsvp_obj_frr_t))
1543 goto obj_tooshort;
1544 bw = GET_BE_F_4(obj_ptr.rsvp_obj_frr->bandwidth);
1545 ND_PRINT("%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1546 indent,
1547 GET_U_1(obj_ptr.rsvp_obj_frr->setup_prio),
1548 GET_U_1(obj_ptr.rsvp_obj_frr->hold_prio),
1549 GET_U_1(obj_ptr.rsvp_obj_frr->hop_limit),
1550 bw * 8 / 1000000);
1551 ND_PRINT("%s Include-any: 0x%08x, Exclude-any: 0x%08x, Include-all: 0x%08x",
1552 indent,
1553 GET_BE_U_4(obj_ptr.rsvp_obj_frr->include_any),
1554 GET_BE_U_4(obj_ptr.rsvp_obj_frr->exclude_any),
1555 GET_BE_U_4(obj_ptr.rsvp_obj_frr->include_all));
1556 obj_tlen-=sizeof(struct rsvp_obj_frr_t);
1557 obj_tptr+=sizeof(struct rsvp_obj_frr_t);
1558 break;
1559
1560 case RSVP_CTYPE_TUNNEL_IPV4: /* old style */
1561 if (obj_tlen < 16)
1562 goto obj_tooshort;
1563 bw = GET_BE_F_4(obj_ptr.rsvp_obj_frr->bandwidth);
1564 ND_PRINT("%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1565 indent,
1566 GET_U_1(obj_ptr.rsvp_obj_frr->setup_prio),
1567 GET_U_1(obj_ptr.rsvp_obj_frr->hold_prio),
1568 GET_U_1(obj_ptr.rsvp_obj_frr->hop_limit),
1569 bw * 8 / 1000000);
1570 ND_PRINT("%s Include Colors: 0x%08x, Exclude Colors: 0x%08x",
1571 indent,
1572 GET_BE_U_4(obj_ptr.rsvp_obj_frr->include_any),
1573 GET_BE_U_4(obj_ptr.rsvp_obj_frr->exclude_any));
1574 obj_tlen-=16;
1575 obj_tptr+=16;
1576 break;
1577
1578 default:
1579 hexdump=TRUE;
1580 }
1581 break;
1582
1583 case RSVP_OBJ_DETOUR:
1584 switch(rsvp_obj_ctype) {
1585 case RSVP_CTYPE_TUNNEL_IPV4:
1586 while(obj_tlen >= 8) {
1587 ND_PRINT("%s PLR-ID: %s, Avoid-Node-ID: %s",
1588 indent,
1589 GET_IPADDR_STRING(obj_tptr),
1590 GET_IPADDR_STRING(obj_tptr + 4));
1591 obj_tlen-=8;
1592 obj_tptr+=8;
1593 }
1594 break;
1595 default:
1596 hexdump=TRUE;
1597 }
1598 break;
1599
1600 case RSVP_OBJ_CLASSTYPE:
1601 case RSVP_OBJ_CLASSTYPE_OLD: /* fall through */
1602 switch(rsvp_obj_ctype) {
1603 case RSVP_CTYPE_1:
1604 if (obj_tlen < 4)
1605 goto obj_tooshort;
1606 ND_PRINT("%s CT: %u",
1607 indent,
1608 GET_BE_U_4(obj_tptr) & 0x7);
1609 obj_tlen-=4;
1610 obj_tptr+=4;
1611 break;
1612 default:
1613 hexdump=TRUE;
1614 }
1615 break;
1616
1617 case RSVP_OBJ_ERROR_SPEC:
1618 switch(rsvp_obj_ctype) {
1619 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1620 case RSVP_CTYPE_IPV4:
1621 if (obj_tlen < 8)
1622 goto obj_tooshort;
1623 error_code=GET_U_1(obj_tptr + 5);
1624 error_value=GET_BE_U_2(obj_tptr + 6);
1625 ND_PRINT("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1626 indent,
1627 GET_IPADDR_STRING(obj_tptr),
1628 GET_U_1(obj_tptr + 4),
1629 indent,
1630 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1631 error_code);
1632 switch (error_code) {
1633 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1634 ND_PRINT(", Error Value: %s (%u)",
1635 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1636 error_value);
1637 break;
1638 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE: /* fall through */
1639 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD:
1640 ND_PRINT(", Error Value: %s (%u)",
1641 tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value),
1642 error_value);
1643 break;
1644 default:
1645 ND_PRINT(", Unknown Error Value (%u)", error_value);
1646 break;
1647 }
1648 obj_tlen-=8;
1649 obj_tptr+=8;
1650 break;
1651 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1652 case RSVP_CTYPE_IPV6:
1653 if (obj_tlen < 20)
1654 goto obj_tooshort;
1655 error_code=GET_U_1(obj_tptr + 17);
1656 error_value=GET_BE_U_2(obj_tptr + 18);
1657 ND_PRINT("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1658 indent,
1659 GET_IP6ADDR_STRING(obj_tptr),
1660 GET_U_1(obj_tptr + 16),
1661 indent,
1662 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1663 error_code);
1664
1665 switch (error_code) {
1666 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1667 ND_PRINT(", Error Value: %s (%u)",
1668 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1669 error_value);
1670 break;
1671 default:
1672 break;
1673 }
1674 obj_tlen-=20;
1675 obj_tptr+=20;
1676 break;
1677 default:
1678 hexdump=TRUE;
1679 }
1680 break;
1681
1682 case RSVP_OBJ_PROPERTIES:
1683 switch(rsvp_obj_ctype) {
1684 case RSVP_CTYPE_1:
1685 if (obj_tlen < 4)
1686 goto obj_tooshort;
1687 padbytes = GET_BE_U_2(obj_tptr + 2);
1688 ND_PRINT("%s TLV count: %u, padding bytes: %u",
1689 indent,
1690 GET_BE_U_2(obj_tptr),
1691 padbytes);
1692 obj_tlen-=4;
1693 obj_tptr+=4;
1694 /* loop through as long there is anything longer than the TLV header (2) */
1695 while(obj_tlen >= 2 + padbytes) {
1696 ND_PRINT("%s %s TLV (0x%02x), length: %u", /* length includes header */
1697 indent,
1698 tok2str(rsvp_obj_prop_tlv_values,"unknown",GET_U_1(obj_tptr)),
1699 GET_U_1(obj_tptr),
1700 GET_U_1(obj_tptr + 1));
1701 if (obj_tlen < GET_U_1(obj_tptr + 1))
1702 goto obj_tooshort;
1703 if (GET_U_1(obj_tptr + 1) < 2) {
1704 ND_PRINT("%sERROR: property TLV is too short", indent);
1705 return -1;
1706 }
1707 print_unknown_data(ndo, obj_tptr + 2, "\n\t\t",
1708 GET_U_1(obj_tptr + 1) - 2);
1709 obj_tlen-=GET_U_1(obj_tptr + 1);
1710 obj_tptr+=GET_U_1(obj_tptr + 1);
1711 }
1712 break;
1713 default:
1714 hexdump=TRUE;
1715 }
1716 break;
1717
1718 case RSVP_OBJ_MESSAGE_ID: /* fall through */
1719 case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */
1720 case RSVP_OBJ_MESSAGE_ID_LIST:
1721 switch(rsvp_obj_ctype) {
1722 case RSVP_CTYPE_1:
1723 case RSVP_CTYPE_2:
1724 if (obj_tlen < 4)
1725 goto obj_tooshort;
1726 ND_PRINT("%s Flags [0x%02x], epoch: %u",
1727 indent,
1728 GET_U_1(obj_tptr),
1729 GET_BE_U_3(obj_tptr + 1));
1730 obj_tlen-=4;
1731 obj_tptr+=4;
1732 /* loop through as long there are no messages left */
1733 while(obj_tlen >= 4) {
1734 ND_PRINT("%s Message-ID 0x%08x (%u)",
1735 indent,
1736 GET_BE_U_4(obj_tptr),
1737 GET_BE_U_4(obj_tptr));
1738 obj_tlen-=4;
1739 obj_tptr+=4;
1740 }
1741 break;
1742 default:
1743 hexdump=TRUE;
1744 }
1745 break;
1746
1747 case RSVP_OBJ_INTEGRITY:
1748 switch(rsvp_obj_ctype) {
1749 case RSVP_CTYPE_1:
1750 if (obj_tlen < sizeof(struct rsvp_obj_integrity_t))
1751 goto obj_tooshort;
1752 obj_ptr.rsvp_obj_integrity = (const struct rsvp_obj_integrity_t *)obj_tptr;
1753 ND_PRINT("%s Key-ID 0x%04x%08x, Sequence 0x%08x%08x, Flags [%s]",
1754 indent,
1755 GET_BE_U_2(obj_ptr.rsvp_obj_integrity->key_id),
1756 GET_BE_U_4(obj_ptr.rsvp_obj_integrity->key_id + 2),
1757 GET_BE_U_4(obj_ptr.rsvp_obj_integrity->sequence),
1758 GET_BE_U_4(obj_ptr.rsvp_obj_integrity->sequence + 4),
1759 bittok2str(rsvp_obj_integrity_flag_values,
1760 "none",
1761 GET_U_1(obj_ptr.rsvp_obj_integrity->flags)));
1762 ND_PRINT("%s MD5-sum 0x%08x%08x%08x%08x ",
1763 indent,
1764 GET_BE_U_4(obj_ptr.rsvp_obj_integrity->digest),
1765 GET_BE_U_4(obj_ptr.rsvp_obj_integrity->digest + 4),
1766 GET_BE_U_4(obj_ptr.rsvp_obj_integrity->digest + 8),
1767 GET_BE_U_4(obj_ptr.rsvp_obj_integrity->digest + 12));
1768
1769 sigcheck = signature_verify(ndo, pptr, plen,
1770 obj_ptr.rsvp_obj_integrity->digest,
1771 rsvp_clear_checksum,
1772 rsvp_com_header);
1773 ND_PRINT(" (%s)", tok2str(signature_check_values, "Unknown", sigcheck));
1774
1775 obj_tlen+=sizeof(struct rsvp_obj_integrity_t);
1776 obj_tptr+=sizeof(struct rsvp_obj_integrity_t);
1777 break;
1778 default:
1779 hexdump=TRUE;
1780 }
1781 break;
1782
1783 case RSVP_OBJ_ADMIN_STATUS:
1784 switch(rsvp_obj_ctype) {
1785 case RSVP_CTYPE_1:
1786 if (obj_tlen < 4)
1787 goto obj_tooshort;
1788 ND_PRINT("%s Flags [%s]", indent,
1789 bittok2str(rsvp_obj_admin_status_flag_values, "none",
1790 GET_BE_U_4(obj_tptr)));
1791 obj_tlen-=4;
1792 obj_tptr+=4;
1793 break;
1794 default:
1795 hexdump=TRUE;
1796 }
1797 break;
1798
1799 case RSVP_OBJ_LABEL_SET:
1800 switch(rsvp_obj_ctype) {
1801 case RSVP_CTYPE_1:
1802 if (obj_tlen < 4)
1803 goto obj_tooshort;
1804 action = (GET_BE_U_2(obj_tptr)>>8);
1805
1806 ND_PRINT("%s Action: %s (%u), Label type: %u", indent,
1807 tok2str(rsvp_obj_label_set_action_values, "Unknown", action),
1808 action, (GET_BE_U_4(obj_tptr) & 0x7F));
1809
1810 switch (action) {
1811 case LABEL_SET_INCLUSIVE_RANGE:
1812 case LABEL_SET_EXCLUSIVE_RANGE: /* fall through */
1813
1814 /* only a couple of subchannels are expected */
1815 if (obj_tlen < 12)
1816 goto obj_tooshort;
1817 ND_PRINT("%s Start range: %u, End range: %u", indent,
1818 GET_BE_U_4(obj_tptr + 4),
1819 GET_BE_U_4(obj_tptr + 8));
1820 obj_tlen-=12;
1821 obj_tptr+=12;
1822 break;
1823
1824 default:
1825 obj_tlen-=4;
1826 obj_tptr+=4;
1827 subchannel = 1;
1828 while(obj_tlen >= 4 ) {
1829 ND_PRINT("%s Subchannel #%u: %u", indent, subchannel,
1830 GET_BE_U_4(obj_tptr));
1831 obj_tptr+=4;
1832 obj_tlen-=4;
1833 subchannel++;
1834 }
1835 break;
1836 }
1837 break;
1838 default:
1839 hexdump=TRUE;
1840 }
1841 break;
1842
1843 case RSVP_OBJ_S2L:
1844 switch (rsvp_obj_ctype) {
1845 case RSVP_CTYPE_IPV4:
1846 if (obj_tlen < 4)
1847 goto obj_tooshort;
1848 ND_PRINT("%s Sub-LSP destination address: %s",
1849 indent, GET_IPADDR_STRING(obj_tptr));
1850
1851 obj_tlen-=4;
1852 obj_tptr+=4;
1853 break;
1854 case RSVP_CTYPE_IPV6:
1855 if (obj_tlen < 16)
1856 goto obj_tooshort;
1857 ND_PRINT("%s Sub-LSP destination address: %s",
1858 indent, GET_IP6ADDR_STRING(obj_tptr));
1859
1860 obj_tlen-=16;
1861 obj_tptr+=16;
1862 break;
1863 default:
1864 hexdump=TRUE;
1865 }
1866 break;
1867
1868 /*
1869 * FIXME those are the defined objects that lack a decoder
1870 * you are welcome to contribute code ;-)
1871 */
1872
1873 case RSVP_OBJ_SCOPE:
1874 case RSVP_OBJ_POLICY_DATA:
1875 case RSVP_OBJ_ACCEPT_LABEL_SET:
1876 case RSVP_OBJ_PROTECTION:
1877 default:
1878 if (ndo->ndo_vflag <= 1)
1879 print_unknown_data(ndo, obj_tptr, "\n\t ", obj_tlen); /* FIXME indentation */
1880 break;
1881 }
1882 /* do we also want to see a hex dump ? */
1883 if (ndo->ndo_vflag > 1 || hexdump == TRUE)
1884 print_unknown_data(ndo, tptr + sizeof(struct rsvp_object_header), "\n\t ", /* FIXME indentation */
1885 rsvp_obj_len - sizeof(struct rsvp_object_header));
1886
1887 tptr+=rsvp_obj_len;
1888 tlen-=rsvp_obj_len;
1889 }
1890 return 0;
1891 subobj_tooshort:
1892 ND_PRINT("%sERROR: sub-object is too short", indent);
1893 return -1;
1894 obj_tooshort:
1895 ND_PRINT("%sERROR: object is too short", indent);
1896 return -1;
1897 invalid:
1898 nd_print_invalid(ndo);
1899 return -1;
1900 }
1901
1902 void
1903 rsvp_print(netdissect_options *ndo,
1904 const u_char *pptr, u_int len)
1905 {
1906 const struct rsvp_common_header *rsvp_com_header;
1907 uint8_t version_flags, msg_type;
1908 const u_char *tptr;
1909 u_short plen, tlen;
1910
1911 ndo->ndo_protocol = "rsvp";
1912 tptr=pptr;
1913
1914 rsvp_com_header = (const struct rsvp_common_header *)pptr;
1915 ND_TCHECK_SIZE(rsvp_com_header);
1916 version_flags = GET_U_1(rsvp_com_header->version_flags);
1917
1918 /*
1919 * Sanity checking of the header.
1920 */
1921 if (RSVP_EXTRACT_VERSION(version_flags) != RSVP_VERSION) {
1922 ND_PRINT("ERROR: RSVP version %u packet not supported",
1923 RSVP_EXTRACT_VERSION(version_flags));
1924 return;
1925 }
1926
1927 msg_type = GET_U_1(rsvp_com_header->msg_type);
1928
1929 /* in non-verbose mode just lets print the basic Message Type*/
1930 if (ndo->ndo_vflag < 1) {
1931 ND_PRINT("RSVPv%u %s Message, length: %u",
1932 RSVP_EXTRACT_VERSION(version_flags),
1933 tok2str(rsvp_msg_type_values, "unknown (%u)",msg_type),
1934 len);
1935 return;
1936 }
1937
1938 /* ok they seem to want to know everything - lets fully decode it */
1939
1940 plen = tlen = GET_BE_U_2(rsvp_com_header->length);
1941
1942 ND_PRINT("\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1943 RSVP_EXTRACT_VERSION(version_flags),
1944 tok2str(rsvp_msg_type_values, "unknown, type: %u",msg_type),
1945 msg_type,
1946 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(version_flags)),
1947 tlen,
1948 GET_U_1(rsvp_com_header->ttl),
1949 GET_BE_U_2(rsvp_com_header->checksum));
1950
1951 if (tlen < sizeof(struct rsvp_common_header)) {
1952 ND_PRINT("ERROR: common header too short %u < %zu", tlen,
1953 sizeof(struct rsvp_common_header));
1954 return;
1955 }
1956
1957 tptr+=sizeof(struct rsvp_common_header);
1958 tlen-=sizeof(struct rsvp_common_header);
1959
1960 switch(msg_type) {
1961
1962 case RSVP_MSGTYPE_BUNDLE:
1963 /*
1964 * Process each submessage in the bundle message.
1965 * Bundle messages may not contain bundle submessages, so we don't
1966 * need to handle bundle submessages specially.
1967 */
1968 while(tlen != 0) {
1969 const u_char *subpptr=tptr, *subtptr;
1970 u_short subplen, subtlen;
1971
1972 subtptr=subpptr;
1973
1974 rsvp_com_header = (const struct rsvp_common_header *)subpptr;
1975 ND_TCHECK_SIZE(rsvp_com_header);
1976 version_flags = GET_U_1(rsvp_com_header->version_flags);
1977
1978 /*
1979 * Sanity checking of the header.
1980 */
1981 if (RSVP_EXTRACT_VERSION(version_flags) != RSVP_VERSION) {
1982 ND_PRINT("ERROR: RSVP version %u packet not supported",
1983 RSVP_EXTRACT_VERSION(version_flags));
1984 return;
1985 }
1986
1987 subplen = subtlen = GET_BE_U_2(rsvp_com_header->length);
1988
1989 msg_type = GET_U_1(rsvp_com_header->msg_type);
1990 ND_PRINT("\n\t RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1991 RSVP_EXTRACT_VERSION(version_flags),
1992 tok2str(rsvp_msg_type_values, "unknown, type: %u",msg_type),
1993 msg_type,
1994 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(version_flags)),
1995 subtlen,
1996 GET_U_1(rsvp_com_header->ttl),
1997 GET_BE_U_2(rsvp_com_header->checksum));
1998
1999 if (subtlen < sizeof(struct rsvp_common_header)) {
2000 ND_PRINT("ERROR: common header too short %u < %zu", subtlen,
2001 sizeof(struct rsvp_common_header));
2002 return;
2003 }
2004
2005 if (tlen < subtlen) {
2006 ND_PRINT("ERROR: common header too large %u > %u", subtlen,
2007 tlen);
2008 return;
2009 }
2010
2011 subtptr+=sizeof(struct rsvp_common_header);
2012 subtlen-=sizeof(struct rsvp_common_header);
2013
2014 /*
2015 * Print all objects in the submessage.
2016 */
2017 if (rsvp_obj_print(ndo, subpptr, subplen, subtptr, "\n\t ", subtlen, rsvp_com_header) == -1)
2018 return;
2019
2020 tptr+=subtlen+sizeof(struct rsvp_common_header);
2021 tlen-=subtlen+sizeof(struct rsvp_common_header);
2022 }
2023
2024 break;
2025
2026 case RSVP_MSGTYPE_PATH:
2027 case RSVP_MSGTYPE_RESV:
2028 case RSVP_MSGTYPE_PATHERR:
2029 case RSVP_MSGTYPE_RESVERR:
2030 case RSVP_MSGTYPE_PATHTEAR:
2031 case RSVP_MSGTYPE_RESVTEAR:
2032 case RSVP_MSGTYPE_RESVCONF:
2033 case RSVP_MSGTYPE_HELLO_OLD:
2034 case RSVP_MSGTYPE_HELLO:
2035 case RSVP_MSGTYPE_ACK:
2036 case RSVP_MSGTYPE_SREFRESH:
2037 /*
2038 * Print all objects in the message.
2039 */
2040 if (rsvp_obj_print(ndo, pptr, plen, tptr, "\n\t ", tlen, rsvp_com_header) == -1)
2041 return;
2042 break;
2043
2044 default:
2045 print_unknown_data(ndo, tptr, "\n\t ", tlen);
2046 break;
2047 }
2048 }
[mirror] the TCPdump network dissector