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[tcpdump] / print-rsvp.c
1 /*
2 * Redistribution and use in source and binary forms, with or without
3 * modification, are permitted provided that: (1) source code
4 * distributions retain the above copyright notice and this paragraph
5 * in its entirety, and (2) distributions including binary code include
6 * the above copyright notice and this paragraph in its entirety in
7 * the documentation or other materials provided with the distribution.
8 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
9 * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
10 * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
11 * FOR A PARTICULAR PURPOSE.
12 *
13 * Original code by Hannes Gredler (hannes@juniper.net)
14 */
15
16 #ifndef lint
17 static const char rcsid[] _U_ =
18 "@(#) $Header: /tcpdump/master/tcpdump/print-rsvp.c,v 1.37 2005-07-11 20:15:33 hannes Exp $";
19 #endif
20
21 #ifdef HAVE_CONFIG_H
22 #include "config.h"
23 #endif
24
25 #include <tcpdump-stdinc.h>
26
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <string.h>
30
31 #include "interface.h"
32 #include "extract.h"
33 #include "addrtoname.h"
34 #include "ethertype.h"
35 #include "gmpls.h"
36
37 /*
38 * RFC 2205 common header
39 *
40 * 0 1 2 3
41 * +-------------+-------------+-------------+-------------+
42 * | Vers | Flags| Msg Type | RSVP Checksum |
43 * +-------------+-------------+-------------+-------------+
44 * | Send_TTL | (Reserved) | RSVP Length |
45 * +-------------+-------------+-------------+-------------+
46 *
47 */
48
49 struct rsvp_common_header {
50 u_int8_t version_flags;
51 u_int8_t msg_type;
52 u_int8_t checksum[2];
53 u_int8_t ttl;
54 u_int8_t reserved;
55 u_int8_t length[2];
56 };
57
58 /*
59 * RFC2205 object header
60 *
61 *
62 * 0 1 2 3
63 * +-------------+-------------+-------------+-------------+
64 * | Length (bytes) | Class-Num | C-Type |
65 * +-------------+-------------+-------------+-------------+
66 * | |
67 * // (Object contents) //
68 * | |
69 * +-------------+-------------+-------------+-------------+
70 */
71
72 struct rsvp_object_header {
73 u_int8_t length[2];
74 u_int8_t class_num;
75 u_int8_t ctype;
76 };
77
78 #define RSVP_VERSION 1
79 #define RSVP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
80 #define RSVP_EXTRACT_FLAGS(x) ((x)&0x0f)
81
82 #define RSVP_MSGTYPE_PATH 1
83 #define RSVP_MSGTYPE_RESV 2
84 #define RSVP_MSGTYPE_PATHERR 3
85 #define RSVP_MSGTYPE_RESVERR 4
86 #define RSVP_MSGTYPE_PATHTEAR 5
87 #define RSVP_MSGTYPE_RESVTEAR 6
88 #define RSVP_MSGTYPE_RESVCONF 7
89 #define RSVP_MSGTYPE_AGGREGATE 12
90 #define RSVP_MSGTYPE_ACK 13
91 #define RSVP_MSGTYPE_HELLO_OLD 14 /* ancient Hellos */
92 #define RSVP_MSGTYPE_SREFRESH 15
93 #define RSVP_MSGTYPE_HELLO 20
94
95 static const struct tok rsvp_msg_type_values[] = {
96 { RSVP_MSGTYPE_PATH, "Path" },
97 { RSVP_MSGTYPE_RESV, "Resv" },
98 { RSVP_MSGTYPE_PATHERR, "PathErr" },
99 { RSVP_MSGTYPE_RESVERR, "ResvErr" },
100 { RSVP_MSGTYPE_PATHTEAR, "PathTear" },
101 { RSVP_MSGTYPE_RESVTEAR, "ResvTear" },
102 { RSVP_MSGTYPE_RESVCONF, "ResvConf" },
103 { RSVP_MSGTYPE_AGGREGATE, "Aggregate" },
104 { RSVP_MSGTYPE_ACK, "Acknowledgement" },
105 { RSVP_MSGTYPE_HELLO_OLD, "Hello (Old)" },
106 { RSVP_MSGTYPE_SREFRESH, "Refresh" },
107 { RSVP_MSGTYPE_HELLO, "Hello" },
108 { 0, NULL}
109 };
110
111 static const struct tok rsvp_header_flag_values[] = {
112 { 0x01, "Refresh reduction capable" }, /* rfc2961 */
113 { 0, NULL}
114 };
115
116 #define RSVP_OBJ_SESSION 1 /* rfc2205 */
117 #define RSVP_OBJ_RSVP_HOP 3 /* rfc2205, rfc3473 */
118 #define RSVP_OBJ_INTEGRITY 4
119 #define RSVP_OBJ_TIME_VALUES 5 /* rfc2205 */
120 #define RSVP_OBJ_ERROR_SPEC 6
121 #define RSVP_OBJ_SCOPE 7
122 #define RSVP_OBJ_STYLE 8 /* rfc2205 */
123 #define RSVP_OBJ_FLOWSPEC 9 /* rfc2215 */
124 #define RSVP_OBJ_FILTERSPEC 10 /* rfc2215 */
125 #define RSVP_OBJ_SENDER_TEMPLATE 11
126 #define RSVP_OBJ_SENDER_TSPEC 12 /* rfc2215 */
127 #define RSVP_OBJ_ADSPEC 13 /* rfc2215 */
128 #define RSVP_OBJ_POLICY_DATA 14
129 #define RSVP_OBJ_CONFIRM 15 /* rfc2205 */
130 #define RSVP_OBJ_LABEL 16 /* rfc3209 */
131 #define RSVP_OBJ_LABEL_REQ 19 /* rfc3209 */
132 #define RSVP_OBJ_ERO 20 /* rfc3209 */
133 #define RSVP_OBJ_RRO 21 /* rfc3209 */
134 #define RSVP_OBJ_HELLO 22 /* rfc3209 */
135 #define RSVP_OBJ_MESSAGE_ID 23
136 #define RSVP_OBJ_MESSAGE_ID_ACK 24
137 #define RSVP_OBJ_MESSAGE_ID_LIST 25
138 #define RSVP_OBJ_RECOVERY_LABEL 34 /* rfc3473 */
139 #define RSVP_OBJ_UPSTREAM_LABEL 35 /* rfc3473 */
140 #define RSVP_OBJ_LABEL_SET 36 /* rfc3473 */
141 #define RSVP_OBJ_PROTECTION 37 /* rfc3473 */
142 #define RSVP_OBJ_DETOUR 63 /* draft-ietf-mpls-rsvp-lsp-fastreroute-01 */
143 #define RSVP_OBJ_CLASSTYPE 125 /* draft-ietf-tewg-diff-te-proto-07 */
144 #define RSVP_OBJ_SUGGESTED_LABEL 129 /* rfc3473 */
145 #define RSVP_OBJ_ACCEPT_LABEL_SET 130 /* rfc3473 */
146 #define RSVP_OBJ_RESTART_CAPABILITY 131 /* rfc3473 */
147 #define RSVP_OBJ_NOTIFY_REQ 195 /* rfc3473 */
148 #define RSVP_OBJ_ADMIN_STATUS 196 /* rfc3473 */
149 #define RSVP_OBJ_PROPERTIES 204 /* juniper proprietary */
150 #define RSVP_OBJ_FASTREROUTE 205 /* draft-ietf-mpls-rsvp-lsp-fastreroute-01 */
151 #define RSVP_OBJ_SESSION_ATTRIBUTE 207 /* rfc3209 */
152 #define RSVP_OBJ_CALL_ID 230 /* rfc3474 */
153 #define RSVP_OBJ_CALL_OPS 236 /* rfc3474 */
154
155 static const struct tok rsvp_obj_values[] = {
156 { RSVP_OBJ_SESSION, "Session" },
157 { RSVP_OBJ_RSVP_HOP, "RSVP Hop" },
158 { RSVP_OBJ_INTEGRITY, "Integrity" },
159 { RSVP_OBJ_TIME_VALUES, "Time Values" },
160 { RSVP_OBJ_ERROR_SPEC, "Error Spec" },
161 { RSVP_OBJ_SCOPE, "Scope" },
162 { RSVP_OBJ_STYLE, "Style" },
163 { RSVP_OBJ_FLOWSPEC, "Flowspec" },
164 { RSVP_OBJ_FILTERSPEC, "FilterSpec" },
165 { RSVP_OBJ_SENDER_TEMPLATE, "Sender Template" },
166 { RSVP_OBJ_SENDER_TSPEC, "Sender TSpec" },
167 { RSVP_OBJ_ADSPEC, "Adspec" },
168 { RSVP_OBJ_POLICY_DATA, "Policy Data" },
169 { RSVP_OBJ_CONFIRM, "Confirm" },
170 { RSVP_OBJ_LABEL, "Label" },
171 { RSVP_OBJ_LABEL_REQ, "Label Request" },
172 { RSVP_OBJ_ERO, "ERO" },
173 { RSVP_OBJ_RRO, "RRO" },
174 { RSVP_OBJ_HELLO, "Hello" },
175 { RSVP_OBJ_MESSAGE_ID, "Message ID" },
176 { RSVP_OBJ_MESSAGE_ID_ACK, "Message ID Ack" },
177 { RSVP_OBJ_MESSAGE_ID_LIST, "Message ID List" },
178 { RSVP_OBJ_RECOVERY_LABEL, "Recovery Label" },
179 { RSVP_OBJ_UPSTREAM_LABEL, "Upstream Label" },
180 { RSVP_OBJ_LABEL_SET, "Label Set" },
181 { RSVP_OBJ_ACCEPT_LABEL_SET, "Acceptable Label Set" },
182 { RSVP_OBJ_DETOUR, "Detour" },
183 { RSVP_OBJ_CLASSTYPE, "Class Type" },
184 { RSVP_OBJ_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_CALL_ID, "Call-ID" },
189 { RSVP_OBJ_CALL_OPS, "Call Capability" },
190 { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" },
191 { RSVP_OBJ_NOTIFY_REQ, "Notify Request" },
192 { RSVP_OBJ_PROTECTION, "Protection" },
193 { RSVP_OBJ_ADMIN_STATUS, "Administrative Status" },
194 { 0, NULL}
195 };
196
197 #define RSVP_CTYPE_IPV4 1
198 #define RSVP_CTYPE_IPV6 2
199 #define RSVP_CTYPE_TUNNEL_IPV4 7
200 #define RSVP_CTYPE_TUNNEL_IPV6 8
201 #define RSVP_CTYPE_1 1
202 #define RSVP_CTYPE_2 2
203 #define RSVP_CTYPE_3 3
204 #define RSVP_CTYPE_4 4
205
206 /*
207 * the ctypes are not globally unique so for
208 * translating it to strings we build a table based
209 * on objects offsetted by the ctype
210 */
211
212 static const struct tok rsvp_ctype_values[] = {
213 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV4, "IPv4" },
214 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV6, "IPv6" },
215 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
216 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
217 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV4, "IPv4" },
218 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV6, "IPv6" },
219 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV4, "IPv4" },
220 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV6, "IPv6" },
221 { 256*RSVP_OBJ_TIME_VALUES+RSVP_CTYPE_1, "1" },
222 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_1, "obsolete" },
223 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_2, "IntServ" },
224 { 256*RSVP_OBJ_SENDER_TSPEC+RSVP_CTYPE_2, "IntServ" },
225 { 256*RSVP_OBJ_ADSPEC+RSVP_CTYPE_2, "IntServ" },
226 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV4, "IPv4" },
227 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6, "IPv6" },
228 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3, "IPv6 Flow-label" },
229 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
230 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4, "IPv4" },
231 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6, "IPv6" },
232 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
233 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV4, "IPv4" },
234 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6, "IPv6" },
235 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
236 { 256*RSVP_OBJ_MESSAGE_ID+RSVP_CTYPE_1, "1" },
237 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_1, "1" },
238 { 256*RSVP_OBJ_MESSAGE_ID_LIST+RSVP_CTYPE_1, "1" },
239 { 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1, "1" },
240 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1, "Hello Request" },
241 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2, "Hello Ack" },
242 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1, "without label range" },
243 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2, "with ATM label range" },
244 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3, "with FR label range" },
245 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4, "Generalized Label" },
246 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1, "Label" },
247 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_2, "Generalized Label" },
248 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
249 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1, "Label" },
250 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_2, "Generalized Label" },
251 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
252 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1, "Label" },
253 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_2, "Generalized Label" },
254 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
255 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_1, "Label" },
256 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_2, "Generalized Label" },
257 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
258 { 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4, "IPv4" },
259 { 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4, "IPv4" },
260 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4, "IPv4" },
261 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6, "IPv6" },
262 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
263 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
264 { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1, "IPv4" },
265 { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
266 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
267 { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
268 { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1, "1" },
269 { 256*RSVP_OBJ_CLASSTYPE+RSVP_CTYPE_1, "1" },
270 { 0, NULL}
271 };
272
273 #define RSVP_OBJ_XRO_MASK_SUBOBJ(x) ((x)&0x7f)
274 #define RSVP_OBJ_XRO_MASK_LOOSE(x) ((x)&0x80)
275
276 #define RSVP_OBJ_XRO_RES 0
277 #define RSVP_OBJ_XRO_IPV4 1
278 #define RSVP_OBJ_XRO_IPV6 2
279 #define RSVP_OBJ_XRO_ASN 32
280 #define RSVP_OBJ_XRO_MPLS 64
281
282 static const struct tok rsvp_obj_xro_values[] = {
283 { RSVP_OBJ_XRO_RES, "Reserved" },
284 { RSVP_OBJ_XRO_IPV4, "IPv4 prefix" },
285 { RSVP_OBJ_XRO_IPV6, "IPv6 prefix" },
286 { RSVP_OBJ_XRO_ASN, "Autonomous system number" },
287 { RSVP_OBJ_XRO_MPLS, "MPLS label switched path termination" },
288 { 0, NULL}
289 };
290
291 /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
292 static const struct tok rsvp_obj_rro_flag_values[] = {
293 { 0x01, "Local protection available" },
294 { 0x02, "Local protection in use" },
295 { 0x04, "Bandwidth protection" },
296 { 0x08, "Node protection" },
297 { 0, NULL}
298 };
299
300 static const struct tok rsvp_resstyle_values[] = {
301 { 17, "Wildcard Filter" },
302 { 10, "Fixed Filter" },
303 { 18, "Shared Explicit" },
304 { 0, NULL}
305 };
306
307 #define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2
308 #define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5
309
310 static const struct tok rsvp_intserv_service_type_values[] = {
311 { 1, "Default/Global Information" },
312 { RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" },
313 { RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" },
314 { 0, NULL}
315 };
316
317 static const struct tok rsvp_intserv_parameter_id_values[] = {
318 { 4, "IS hop cnt" },
319 { 6, "Path b/w estimate" },
320 { 8, "Minimum path latency" },
321 { 10, "Composed MTU" },
322 { 127, "Token Bucket TSpec" },
323 { 130, "Guaranteed Service RSpec" },
324 { 133, "End-to-end composed value for C" },
325 { 134, "End-to-end composed value for D" },
326 { 135, "Since-last-reshaping point composed C" },
327 { 136, "Since-last-reshaping point composed D" },
328 { 0, NULL}
329 };
330
331 static struct tok rsvp_session_attribute_flag_values[] = {
332 { 0x01, "Local Protection desired" },
333 { 0x02, "Label Recording desired" },
334 { 0x04, "SE Style desired" },
335 { 0x08, "Bandwidth protection desired" }, /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
336 { 0x10, "Node protection desired" }, /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
337 { 0, NULL}
338 };
339
340 static struct tok rsvp_obj_prop_tlv_values[] = {
341 { 0x01, "Cos" },
342 { 0x02, "Metric 1" },
343 { 0x04, "Metric 2" },
344 { 0x08, "CCC Status" },
345 { 0x10, "Path Type" },
346 { 0, NULL}
347 };
348
349 #define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24
350 #define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY 25
351 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 125
352
353 static struct tok rsvp_obj_error_code_values[] = {
354 { RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" },
355 { RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY, "Notify Error" },
356 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE, "Diffserv TE Error" },
357 { 0, NULL}
358 };
359
360 static struct tok rsvp_obj_error_code_routing_values[] = {
361 { 1, "Bad EXPLICIT_ROUTE object" },
362 { 2, "Bad strict node" },
363 { 3, "Bad loose node" },
364 { 4, "Bad initial subobject" },
365 { 5, "No route available toward destination" },
366 { 6, "Unacceptable label value" },
367 { 7, "RRO indicated routing loops" },
368 { 8, "non-RSVP-capable router in the path" },
369 { 9, "MPLS label allocation failure" },
370 { 10, "Unsupported L3PID" },
371 { 0, NULL}
372 };
373
374 static struct tok rsvp_obj_error_code_diffserv_te_values[] = {
375 { 1, "Unexpected CLASSTYPE object" },
376 { 2, "Unsupported Class-Type" },
377 { 3, "Invalid Class-Type value" },
378 { 4, "Class-Type and setup priority do not form a configured TE-Class" },
379 { 5, "Class-Type and holding priority do not form a configured TE-Class" },
380 { 6, "Inconsistency between signaled PSC and signaled Class-Type" },
381 { 7, "Inconsistency between signaled PHBs and signaled Class-Type" },
382 { 0, NULL}
383 };
384
385 #define FALSE 0
386 #define TRUE 1
387
388
389 static int rsvp_intserv_print(const u_char *, u_short);
390
391 /*
392 * this is a dissector for all the intserv defined
393 * specs as defined per rfc2215
394 * it is called from various rsvp objects;
395 * returns the amount of bytes being processed
396 */
397 static int
398 rsvp_intserv_print(const u_char *tptr, u_short obj_tlen) {
399
400 int parameter_id,parameter_length;
401 union {
402 float f;
403 u_int32_t i;
404 } bw;
405
406 if (obj_tlen < 4)
407 return 0;
408 parameter_id = *(tptr);
409 parameter_length = EXTRACT_16BITS(tptr+2)<<2; /* convert wordcount to bytecount */
410
411 printf("\n\t Parameter ID: %s (%u), length: %u, Flags: [0x%02x]",
412 tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id),
413 parameter_id,
414 parameter_length,
415 *(tptr+1));
416
417 if (obj_tlen < parameter_length+4)
418 return 0;
419 switch(parameter_id) { /* parameter_id */
420
421 case 4:
422 /*
423 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
424 * | 4 (e) | (f) | 1 (g) |
425 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
426 * | IS hop cnt (32-bit unsigned integer) |
427 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
428 */
429 if (parameter_length == 4)
430 printf("\n\t\tIS hop count: %u", EXTRACT_32BITS(tptr+4));
431 break;
432
433 case 6:
434 /*
435 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
436 * | 6 (h) | (i) | 1 (j) |
437 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
438 * | Path b/w estimate (32-bit IEEE floating point number) |
439 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
440 */
441 if (parameter_length == 4) {
442 bw.i = EXTRACT_32BITS(tptr+4);
443 printf("\n\t\tPath b/w estimate: %.10g Mbps", bw.f/125000);
444 }
445 break;
446
447 case 8:
448 /*
449 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
450 * | 8 (k) | (l) | 1 (m) |
451 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
452 * | Minimum path latency (32-bit integer) |
453 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
454 */
455 if (parameter_length == 4) {
456 printf("\n\t\tMinimum path latency: ");
457 if (EXTRACT_32BITS(tptr+4) == 0xffffffff)
458 printf("don't care");
459 else
460 printf("%u", EXTRACT_32BITS(tptr+4));
461 }
462 break;
463
464 case 10:
465
466 /*
467 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
468 * | 10 (n) | (o) | 1 (p) |
469 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
470 * | Composed MTU (32-bit unsigned integer) |
471 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
472 */
473 if (parameter_length == 4)
474 printf("\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr+4));
475 break;
476 case 127:
477 /*
478 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
479 * | 127 (e) | 0 (f) | 5 (g) |
480 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
481 * | Token Bucket Rate [r] (32-bit IEEE floating point number) |
482 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
483 * | Token Bucket Size [b] (32-bit IEEE floating point number) |
484 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
485 * | Peak Data Rate [p] (32-bit IEEE floating point number) |
486 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
487 * | Minimum Policed Unit [m] (32-bit integer) |
488 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
489 * | Maximum Packet Size [M] (32-bit integer) |
490 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
491 */
492
493 if (parameter_length == 20) {
494 bw.i = EXTRACT_32BITS(tptr+4);
495 printf("\n\t\tToken Bucket Rate: %.10g Mbps", bw.f/125000);
496 bw.i = EXTRACT_32BITS(tptr+8);
497 printf("\n\t\tToken Bucket Size: %.10g bytes", bw.f);
498 bw.i = EXTRACT_32BITS(tptr+12);
499 printf("\n\t\tPeak Data Rate: %.10g Mbps", bw.f/125000);
500 printf("\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr+16));
501 printf("\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr+20));
502 }
503 break;
504
505 case 130:
506 /*
507 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
508 * | 130 (h) | 0 (i) | 2 (j) |
509 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
510 * | Rate [R] (32-bit IEEE floating point number) |
511 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
512 * | Slack Term [S] (32-bit integer) |
513 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
514 */
515
516 if (parameter_length == 8) {
517 bw.i = EXTRACT_32BITS(tptr+4);
518 printf("\n\t\tRate: %.10g Mbps", bw.f/125000);
519 printf("\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr+8));
520 }
521 break;
522
523 case 133:
524 case 134:
525 case 135:
526 case 136:
527 if (parameter_length == 4)
528 printf("\n\t\tValue: %u", EXTRACT_32BITS(tptr+4));
529 break;
530
531 default:
532 if (vflag <= 1)
533 print_unknown_data(tptr+4,"\n\t\t",parameter_length);
534 }
535 return (parameter_length+4); /* header length 4 bytes */
536 }
537
538 static int
539 rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) {
540
541 const struct rsvp_object_header *rsvp_obj_header;
542 const u_char *obj_tptr;
543 u_short rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen;
544 int hexdump,processed,padbytes,error_code,error_value,i;
545 union {
546 float f;
547 u_int32_t i;
548 } bw;
549 u_int8_t namelen;
550
551 while(tlen>=sizeof(struct rsvp_object_header)) {
552 /* did we capture enough for fully decoding the object header ? */
553 if (!TTEST2(*tptr, sizeof(struct rsvp_object_header)))
554 goto trunc;
555
556 rsvp_obj_header = (const struct rsvp_object_header *)tptr;
557 rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length);
558 rsvp_obj_ctype=rsvp_obj_header->ctype;
559
560 if(rsvp_obj_len % 4) {
561 printf("%sERROR: object header size %u not a multiple of 4", ident, rsvp_obj_len);
562 return -1;
563 }
564 if(rsvp_obj_len < sizeof(struct rsvp_object_header)) {
565 printf("%sERROR: object header too short %u < %lu", ident, rsvp_obj_len,
566 (unsigned long)sizeof(const struct rsvp_object_header));
567 return -1;
568 }
569
570 printf("%s%s Object (%u) Flags: [%s",
571 ident,
572 tok2str(rsvp_obj_values,
573 "Unknown",
574 rsvp_obj_header->class_num),
575 rsvp_obj_header->class_num,
576 ((rsvp_obj_header->class_num)&0x80) ? "ignore" : "reject");
577
578 if (rsvp_obj_header->class_num > 128)
579 printf(" %s",
580 ((rsvp_obj_header->class_num)&0x40) ? "and forward" : "silently");
581
582 printf(" if unknown], Class-Type: %s (%u), length: %u",
583 tok2str(rsvp_ctype_values,
584 "Unknown",
585 ((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype),
586 rsvp_obj_ctype,
587 rsvp_obj_len);
588
589 if(tlen < rsvp_obj_len) {
590 printf("%sERROR: object goes past end of objects TLV", ident);
591 return -1;
592 }
593
594 obj_tptr=tptr+sizeof(struct rsvp_object_header);
595 obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
596
597 /* did we capture enough for fully decoding the object ? */
598 if (!TTEST2(*tptr, rsvp_obj_len))
599 return -1;
600 hexdump=FALSE;
601
602 switch(rsvp_obj_header->class_num) {
603 case RSVP_OBJ_SESSION:
604 switch(rsvp_obj_ctype) {
605 case RSVP_CTYPE_IPV4:
606 if (obj_tlen < 8)
607 return -1;
608 printf("%s IPv4 DestAddress: %s, Protocol ID: 0x%02x",
609 ident,
610 ipaddr_string(obj_tptr),
611 *(obj_tptr+sizeof(struct in_addr)));
612 printf("%s Flags: [0x%02x], DestPort %u",
613 ident,
614 *(obj_tptr+5),
615 EXTRACT_16BITS(obj_tptr+6));
616 obj_tlen-=8;
617 obj_tptr+=8;
618 break;
619 #ifdef INET6
620 case RSVP_CTYPE_IPV6:
621 if (obj_tlen < 20)
622 return -1;
623 printf("%s IPv6 DestAddress: %s, Protocol ID: 0x%02x",
624 ident,
625 ip6addr_string(obj_tptr),
626 *(obj_tptr+sizeof(struct in6_addr)));
627 printf("%s Flags: [0x%02x], DestPort %u",
628 ident,
629 *(obj_tptr+sizeof(struct in6_addr)+1),
630 EXTRACT_16BITS(obj_tptr+sizeof(struct in6_addr)+2));
631 obj_tlen-=20;
632 obj_tptr+=20;
633 break;
634
635 case RSVP_CTYPE_TUNNEL_IPV6:
636 if (obj_tlen < 36)
637 return -1;
638 printf("%s IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
639 ident,
640 ip6addr_string(obj_tptr),
641 EXTRACT_16BITS(obj_tptr+18),
642 ip6addr_string(obj_tptr+20));
643 obj_tlen-=36;
644 obj_tptr+=36;
645 break;
646 #endif
647 case RSVP_CTYPE_TUNNEL_IPV4:
648 if (obj_tlen < 12)
649 return -1;
650 printf("%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
651 ident,
652 ipaddr_string(obj_tptr),
653 EXTRACT_16BITS(obj_tptr+6),
654 ipaddr_string(obj_tptr+8));
655 obj_tlen-=12;
656 obj_tptr+=12;
657 break;
658 default:
659 hexdump=TRUE;
660 }
661 break;
662
663 case RSVP_OBJ_CONFIRM:
664 switch(rsvp_obj_ctype) {
665 case RSVP_CTYPE_IPV4:
666 if (obj_tlen < sizeof(struct in_addr))
667 return -1;
668 printf("%s IPv4 Receiver Address: %s",
669 ident,
670 ipaddr_string(obj_tptr));
671 obj_tlen-=sizeof(struct in_addr);
672 obj_tptr+=sizeof(struct in_addr);
673 break;
674 #ifdef INET6
675 case RSVP_CTYPE_IPV6:
676 if (obj_tlen < sizeof(struct in6_addr))
677 return -1;
678 printf("%s IPv6 Receiver Address: %s",
679 ident,
680 ip6addr_string(obj_tptr));
681 obj_tlen-=sizeof(struct in6_addr);
682 obj_tptr+=sizeof(struct in6_addr);
683 break;
684 #endif
685 default:
686 hexdump=TRUE;
687 }
688 break;
689
690 case RSVP_OBJ_NOTIFY_REQ:
691 switch(rsvp_obj_ctype) {
692 case RSVP_CTYPE_IPV4:
693 if (obj_tlen < sizeof(struct in_addr))
694 return -1;
695 printf("%s IPv4 Notify Node Address: %s",
696 ident,
697 ipaddr_string(obj_tptr));
698 obj_tlen-=sizeof(struct in_addr);
699 obj_tptr+=sizeof(struct in_addr);
700 break;
701 #ifdef INET6
702 case RSVP_CTYPE_IPV6:
703 if (obj_tlen < sizeof(struct in6_addr))
704 return-1;
705 printf("%s IPv6 Notify Node Address: %s",
706 ident,
707 ip6addr_string(obj_tptr));
708 obj_tlen-=sizeof(struct in6_addr);
709 obj_tptr+=sizeof(struct in6_addr);
710 break;
711 #endif
712 default:
713 hexdump=TRUE;
714 }
715 break;
716
717 case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
718 case RSVP_OBJ_UPSTREAM_LABEL: /* fall through */
719 case RSVP_OBJ_RECOVERY_LABEL: /* fall through */
720 case RSVP_OBJ_LABEL:
721 switch(rsvp_obj_ctype) {
722 case RSVP_CTYPE_1:
723 while(obj_tlen >= 4 ) {
724 printf("%s Label: %u", ident, EXTRACT_32BITS(obj_tptr));
725 obj_tlen-=4;
726 obj_tptr+=4;
727 }
728 break;
729 case RSVP_CTYPE_2:
730 if (obj_tlen < 4)
731 return-1;
732 printf("%s Generalized Label: %u",
733 ident,
734 EXTRACT_32BITS(obj_tptr));
735 obj_tlen-=4;
736 obj_tptr+=4;
737 break;
738 case RSVP_CTYPE_3:
739 if (obj_tlen < 12)
740 return-1;
741 printf("%s Waveband ID: %u%s Start Label: %u, Stop Label: %u",
742 ident,
743 EXTRACT_32BITS(obj_tptr),
744 ident,
745 EXTRACT_32BITS(obj_tptr+4),
746 EXTRACT_32BITS(obj_tptr+8));
747 obj_tlen-=12;
748 obj_tptr+=12;
749 break;
750 default:
751 hexdump=TRUE;
752 }
753 break;
754
755 case RSVP_OBJ_STYLE:
756 switch(rsvp_obj_ctype) {
757 case RSVP_CTYPE_1:
758 if (obj_tlen < 4)
759 return-1;
760 printf("%s Reservation Style: %s, Flags: [0x%02x]",
761 ident,
762 tok2str(rsvp_resstyle_values,
763 "Unknown",
764 EXTRACT_24BITS(obj_tptr+1)),
765 *(obj_tptr));
766 obj_tlen-=4;
767 obj_tptr+=4;
768 break;
769 default:
770 hexdump=TRUE;
771 }
772 break;
773
774 case RSVP_OBJ_SENDER_TEMPLATE:
775 switch(rsvp_obj_ctype) {
776 case RSVP_CTYPE_IPV4:
777 if (obj_tlen < 8)
778 return-1;
779 printf("%s Source Address: %s, Source Port: %u",
780 ident,
781 ipaddr_string(obj_tptr),
782 EXTRACT_16BITS(obj_tptr+6));
783 obj_tlen-=8;
784 obj_tptr+=8;
785 break;
786 #ifdef INET6
787 case RSVP_CTYPE_IPV6:
788 if (obj_tlen < 20)
789 return-1;
790 printf("%s Source Address: %s, Source Port: %u",
791 ident,
792 ip6addr_string(obj_tptr),
793 EXTRACT_16BITS(obj_tptr+18));
794 obj_tlen-=20;
795 obj_tptr+=20;
796 break;
797 #endif
798 case RSVP_CTYPE_TUNNEL_IPV4:
799 if (obj_tlen < 8)
800 return-1;
801 printf("%s IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
802 ident,
803 ipaddr_string(obj_tptr),
804 EXTRACT_16BITS(obj_tptr+6));
805 obj_tlen-=8;
806 obj_tptr+=8;
807 break;
808 default:
809 hexdump=TRUE;
810 }
811 break;
812
813 case RSVP_OBJ_LABEL_REQ:
814 switch(rsvp_obj_ctype) {
815 case RSVP_CTYPE_1:
816 while(obj_tlen >= 4 ) {
817 printf("%s L3 Protocol ID: %s",
818 ident,
819 tok2str(ethertype_values,
820 "Unknown Protocol (0x%04x)",
821 EXTRACT_16BITS(obj_tptr+2)));
822 obj_tlen-=4;
823 obj_tptr+=4;
824 }
825 break;
826 case RSVP_CTYPE_2:
827 if (obj_tlen < 12)
828 return-1;
829 printf("%s L3 Protocol ID: %s",
830 ident,
831 tok2str(ethertype_values,
832 "Unknown Protocol (0x%04x)",
833 EXTRACT_16BITS(obj_tptr+2)));
834 printf(",%s merge capability",((*(obj_tptr+4))&0x80) ? "no" : "" );
835 printf("%s Minimum VPI/VCI: %u/%u",
836 ident,
837 (EXTRACT_16BITS(obj_tptr+4))&0xfff,
838 (EXTRACT_16BITS(obj_tptr+6))&0xfff);
839 printf("%s Maximum VPI/VCI: %u/%u",
840 ident,
841 (EXTRACT_16BITS(obj_tptr+8))&0xfff,
842 (EXTRACT_16BITS(obj_tptr+10))&0xfff);
843 obj_tlen-=12;
844 obj_tptr+=12;
845 break;
846 case RSVP_CTYPE_3:
847 if (obj_tlen < 12)
848 return-1;
849 printf("%s L3 Protocol ID: %s",
850 ident,
851 tok2str(ethertype_values,
852 "Unknown Protocol (0x%04x)",
853 EXTRACT_16BITS(obj_tptr+2)));
854 printf("%s Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI",
855 ident,
856 (EXTRACT_32BITS(obj_tptr+4))&0x7fffff,
857 (EXTRACT_32BITS(obj_tptr+8))&0x7fffff,
858 (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "",
859 (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 2 ) ? "23" : "");
860 obj_tlen-=12;
861 obj_tptr+=12;
862 break;
863 case RSVP_CTYPE_4:
864 if (obj_tlen < 8)
865 return-1;
866 printf("%s LSP Encoding Type: %s (%u)",
867 ident,
868 tok2str(gmpls_encoding_values,
869 "Unknown",
870 *obj_tptr),
871 *obj_tptr);
872 printf("%s Switching Type: %s (%u), Payload ID: %s (0x%04x)",
873 ident,
874 tok2str(gmpls_switch_cap_values,
875 "Unknown",
876 *(obj_tptr+1)),
877 *(obj_tptr+1),
878 tok2str(gmpls_payload_values,
879 "Unknown",
880 EXTRACT_16BITS(obj_tptr+2)),
881 EXTRACT_16BITS(obj_tptr+2));
882 obj_tlen-=8;
883 obj_tptr+=8;
884 break;
885 default:
886 hexdump=TRUE;
887 }
888 break;
889
890 case RSVP_OBJ_RRO:
891 case RSVP_OBJ_ERO:
892 switch(rsvp_obj_ctype) {
893 case RSVP_CTYPE_IPV4:
894 while(obj_tlen >= 4 ) {
895 printf("%s Subobject Type: %s, length %u",
896 ident,
897 tok2str(rsvp_obj_xro_values,
898 "Unknown %u",
899 RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)),
900 *(obj_tptr+1));
901
902 if (*(obj_tptr+1) == 0) { /* prevent infinite loops */
903 printf("%s ERROR: zero length ERO subtype",ident);
904 break;
905 }
906
907 switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) {
908 case RSVP_OBJ_XRO_IPV4:
909 printf(", %s, %s/%u, Flags: [%s]",
910 RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
911 ipaddr_string(obj_tptr+2),
912 *(obj_tptr+6),
913 bittok2str(rsvp_obj_rro_flag_values,
914 "none",
915 *(obj_tptr+7))); /* rfc3209 says that this field is rsvd. */
916 }
917 obj_tlen-=*(obj_tptr+1);
918 obj_tptr+=*(obj_tptr+1);
919 }
920 break;
921 default:
922 hexdump=TRUE;
923 }
924 break;
925
926 case RSVP_OBJ_HELLO:
927 switch(rsvp_obj_ctype) {
928 case RSVP_CTYPE_1:
929 case RSVP_CTYPE_2:
930 if (obj_tlen < 8)
931 return-1;
932 printf("%s Source Instance: 0x%08x, Destination Instance: 0x%08x",
933 ident,
934 EXTRACT_32BITS(obj_tptr),
935 EXTRACT_32BITS(obj_tptr+4));
936 obj_tlen-=8;
937 obj_tptr+=8;
938 break;
939 default:
940 hexdump=TRUE;
941 }
942 break;
943
944 case RSVP_OBJ_RESTART_CAPABILITY:
945 switch(rsvp_obj_ctype) {
946 case RSVP_CTYPE_1:
947 if (obj_tlen < 8)
948 return-1;
949 printf("%s Restart Time: %ums, Recovery Time: %ums",
950 ident,
951 EXTRACT_32BITS(obj_tptr),
952 EXTRACT_32BITS(obj_tptr+4));
953 obj_tlen-=8;
954 obj_tptr+=8;
955 break;
956 default:
957 hexdump=TRUE;
958 }
959 break;
960
961 case RSVP_OBJ_SESSION_ATTRIBUTE:
962 switch(rsvp_obj_ctype) {
963 case RSVP_CTYPE_TUNNEL_IPV4:
964 if (obj_tlen < 4)
965 return-1;
966 namelen = *(obj_tptr+3);
967 if (obj_tlen < 4+namelen)
968 return-1;
969 printf("%s Session Name: ", ident);
970 for (i = 0; i < namelen; i++)
971 safeputchar(*(obj_tptr+4+i));
972 printf("%s Setup Priority: %u, Holding Priority: %u, Flags: [%s]",
973 ident,
974 (int)*obj_tptr,
975 (int)*(obj_tptr+1),
976 tok2str(rsvp_session_attribute_flag_values,
977 "none",
978 *(obj_tptr+2)));
979
980 obj_tlen-=4+*(obj_tptr+3);
981 obj_tptr+=4+*(obj_tptr+3);
982 break;
983 default:
984 hexdump=TRUE;
985 }
986 break;
987
988 case RSVP_OBJ_RSVP_HOP:
989 switch(rsvp_obj_ctype) {
990 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
991 case RSVP_CTYPE_IPV4:
992 if (obj_tlen < 8)
993 return-1;
994 printf("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
995 ident,
996 ipaddr_string(obj_tptr),
997 EXTRACT_32BITS(obj_tptr+4));
998 obj_tlen-=8;
999 obj_tptr+=8;
1000 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1001 break;
1002 #ifdef INET6
1003 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1004 case RSVP_CTYPE_IPV6:
1005 if (obj_tlen < 20)
1006 return-1;
1007 printf("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1008 ident,
1009 ip6addr_string(obj_tptr),
1010 EXTRACT_32BITS(obj_tptr+16));
1011 obj_tlen-=20;
1012 obj_tptr+=20;
1013 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1014 break;
1015 #endif
1016 default:
1017 hexdump=TRUE;
1018 }
1019 break;
1020
1021 case RSVP_OBJ_TIME_VALUES:
1022 switch(rsvp_obj_ctype) {
1023 case RSVP_CTYPE_1:
1024 if (obj_tlen < 4)
1025 return-1;
1026 printf("%s Refresh Period: %ums",
1027 ident,
1028 EXTRACT_32BITS(obj_tptr));
1029 obj_tlen-=4;
1030 obj_tptr+=4;
1031 break;
1032 default:
1033 hexdump=TRUE;
1034 }
1035 break;
1036
1037 /* those three objects do share the same semantics */
1038 case RSVP_OBJ_SENDER_TSPEC:
1039 case RSVP_OBJ_ADSPEC:
1040 case RSVP_OBJ_FLOWSPEC:
1041 switch(rsvp_obj_ctype) {
1042 case RSVP_CTYPE_2:
1043 if (obj_tlen < 4)
1044 return-1;
1045 printf("%s Msg-Version: %u, length: %u",
1046 ident,
1047 (*obj_tptr & 0xf0) >> 4,
1048 EXTRACT_16BITS(obj_tptr+2)<<2);
1049 obj_tptr+=4; /* get to the start of the service header */
1050 obj_tlen-=4;
1051
1052 while (obj_tlen >= 4) {
1053 intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
1054 printf("%s Service Type: %s (%u), break bit %s set, Service length: %u",
1055 ident,
1056 tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)),
1057 *(obj_tptr),
1058 (*(obj_tptr+1)&0x80) ? "" : "not",
1059 intserv_serv_tlen);
1060
1061 obj_tptr+=4; /* get to the start of the parameter list */
1062 obj_tlen-=4;
1063
1064 while (intserv_serv_tlen>=4) {
1065 processed = rsvp_intserv_print(obj_tptr, obj_tlen);
1066 if (processed == 0)
1067 break;
1068 obj_tlen-=processed;
1069 intserv_serv_tlen-=processed;
1070 obj_tptr+=processed;
1071 }
1072 }
1073 break;
1074 default:
1075 hexdump=TRUE;
1076 }
1077 break;
1078
1079 case RSVP_OBJ_FILTERSPEC:
1080 switch(rsvp_obj_ctype) {
1081 case RSVP_CTYPE_IPV4:
1082 if (obj_tlen < 8)
1083 return-1;
1084 printf("%s Source Address: %s, Source Port: %u",
1085 ident,
1086 ipaddr_string(obj_tptr),
1087 EXTRACT_16BITS(obj_tptr+6));
1088 obj_tlen-=8;
1089 obj_tptr+=8;
1090 break;
1091 #ifdef INET6
1092 case RSVP_CTYPE_IPV6:
1093 if (obj_tlen < 20)
1094 return-1;
1095 printf("%s Source Address: %s, Source Port: %u",
1096 ident,
1097 ip6addr_string(obj_tptr),
1098 EXTRACT_16BITS(obj_tptr+18));
1099 obj_tlen-=20;
1100 obj_tptr+=20;
1101 break;
1102 case RSVP_CTYPE_3:
1103 if (obj_tlen < 20)
1104 return-1;
1105 printf("%s Source Address: %s, Flow Label: %u",
1106 ident,
1107 ip6addr_string(obj_tptr),
1108 EXTRACT_24BITS(obj_tptr+17));
1109 obj_tlen-=20;
1110 obj_tptr+=20;
1111 break;
1112 case RSVP_CTYPE_TUNNEL_IPV6:
1113 if (obj_tlen < 20)
1114 return-1;
1115 printf("%s Source Address: %s, LSP-ID: 0x%04x",
1116 ident,
1117 ipaddr_string(obj_tptr),
1118 EXTRACT_16BITS(obj_tptr+18));
1119 obj_tlen-=20;
1120 obj_tptr+=20;
1121 break;
1122 #endif
1123 case RSVP_CTYPE_TUNNEL_IPV4:
1124 if (obj_tlen < 8)
1125 return-1;
1126 printf("%s Source Address: %s, LSP-ID: 0x%04x",
1127 ident,
1128 ipaddr_string(obj_tptr),
1129 EXTRACT_16BITS(obj_tptr+6));
1130 obj_tlen-=8;
1131 obj_tptr+=8;
1132 break;
1133 default:
1134 hexdump=TRUE;
1135 }
1136 break;
1137
1138 case RSVP_OBJ_FASTREROUTE:
1139 switch(rsvp_obj_ctype) {
1140 case RSVP_CTYPE_TUNNEL_IPV4:
1141 if (obj_tlen < 16)
1142 return-1;
1143 bw.i = EXTRACT_32BITS(obj_tptr+4);
1144 printf("%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1145 ident,
1146 (int)*obj_tptr,
1147 (int)*(obj_tptr+1),
1148 (int)*(obj_tptr+2),
1149 bw.f*8/1000000);
1150 printf("%s Include Colors: 0x%08x, Exclude Colors: 0x%08x",
1151 ident,
1152 EXTRACT_32BITS(obj_tptr+8),
1153 EXTRACT_32BITS(obj_tptr+12));
1154 obj_tlen-=16;
1155 obj_tptr+=16;
1156 break;
1157 default:
1158 hexdump=TRUE;
1159 }
1160 break;
1161
1162 case RSVP_OBJ_DETOUR:
1163 switch(rsvp_obj_ctype) {
1164 case RSVP_CTYPE_TUNNEL_IPV4:
1165 while(obj_tlen >= 8) {
1166 printf("%s PLR-ID: %s, Avoid-Node-ID: %s",
1167 ident,
1168 ipaddr_string(obj_tptr),
1169 ipaddr_string(obj_tptr+4));
1170 obj_tlen-=8;
1171 obj_tptr+=8;
1172 }
1173 break;
1174 default:
1175 hexdump=TRUE;
1176 }
1177 break;
1178
1179 case RSVP_OBJ_CLASSTYPE:
1180 switch(rsvp_obj_ctype) {
1181 case RSVP_CTYPE_1:
1182 printf("%s Class Type: %u",
1183 ident,
1184 EXTRACT_32BITS(obj_tptr)&0x7);
1185 obj_tlen-=4;
1186 obj_tptr+=4;
1187 break;
1188 default:
1189 hexdump=TRUE;
1190 }
1191 break;
1192
1193 case RSVP_OBJ_ERROR_SPEC:
1194 switch(rsvp_obj_ctype) {
1195 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1196 case RSVP_CTYPE_IPV4:
1197 if (obj_tlen < 8)
1198 return-1;
1199 error_code=*(obj_tptr+5);
1200 error_value=EXTRACT_16BITS(obj_tptr+6);
1201 printf("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1202 ident,
1203 ipaddr_string(obj_tptr),
1204 *(obj_tptr+4),
1205 ident,
1206 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1207 error_code);
1208 switch (error_code) {
1209 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1210 printf(", Error Value: %s (%u)",
1211 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1212 error_value);
1213 break;
1214 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE:
1215 printf(", Error Value: %s (%u)",
1216 tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value),
1217 error_value);
1218 break;
1219 default:
1220 printf(", Unknown Error Value (%u)", error_value);
1221 break;
1222 }
1223 obj_tlen-=8;
1224 obj_tptr+=8;
1225 break;
1226 #ifdef INET6
1227 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1228 case RSVP_CTYPE_IPV6:
1229 if (obj_tlen < 20)
1230 return-1;
1231 error_code=*(obj_tptr+17);
1232 error_value=EXTRACT_16BITS(obj_tptr+18);
1233 printf("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1234 ident,
1235 ip6addr_string(obj_tptr),
1236 *(obj_tptr+16),
1237 ident,
1238 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1239 error_code);
1240
1241 switch (error_code) {
1242 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1243 printf(", Error Value: %s (%u)",
1244 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1245 error_value);
1246 break;
1247 default:
1248 break;
1249 }
1250 obj_tlen-=20;
1251 obj_tptr+=20;
1252 break;
1253 #endif
1254 default:
1255 hexdump=TRUE;
1256 }
1257 break;
1258
1259 case RSVP_OBJ_PROPERTIES:
1260 switch(rsvp_obj_ctype) {
1261 case RSVP_CTYPE_1:
1262 if (obj_tlen < 4)
1263 return-1;
1264 padbytes = EXTRACT_16BITS(obj_tptr+2);
1265 printf("%s TLV count: %u, padding bytes: %u",
1266 ident,
1267 EXTRACT_16BITS(obj_tptr),
1268 padbytes);
1269 obj_tlen-=4;
1270 obj_tptr+=4;
1271 /* loop through as long there is anything longer than the TLV header (2) */
1272 while(obj_tlen >= 2 + padbytes) {
1273 printf("%s %s TLV (0x%02x), length: %u", /* length includes header */
1274 ident,
1275 tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
1276 *obj_tptr,
1277 *(obj_tptr+1));
1278 if (obj_tlen < *(obj_tptr+1))
1279 return-1;
1280 if (*(obj_tptr+1) < 2)
1281 return -1;
1282 print_unknown_data(obj_tptr+2,"\n\t\t",*(obj_tptr+1)-2);
1283 obj_tlen-=*(obj_tptr+1);
1284 obj_tptr+=*(obj_tptr+1);
1285 }
1286 break;
1287 default:
1288 hexdump=TRUE;
1289 }
1290 break;
1291
1292 case RSVP_OBJ_MESSAGE_ID: /* fall through */
1293 case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */
1294 case RSVP_OBJ_MESSAGE_ID_LIST:
1295 switch(rsvp_obj_ctype) {
1296 case RSVP_CTYPE_1:
1297 if (obj_tlen < 8)
1298 return-1;
1299 printf("%s Flags [0x%02x], epoch: %u",
1300 ident,
1301 *obj_tptr,
1302 EXTRACT_24BITS(obj_tptr+1));
1303 obj_tlen-=4;
1304 obj_tptr+=4;
1305 /* loop through as long there are no messages left */
1306 while(obj_tlen >= 4) {
1307 printf("%s Message-ID 0x%08x (%u)",
1308 ident,
1309 EXTRACT_32BITS(obj_tptr),
1310 EXTRACT_32BITS(obj_tptr));
1311 obj_tlen-=4;
1312 obj_tptr+=4;
1313 }
1314 break;
1315 default:
1316 hexdump=TRUE;
1317 }
1318 break;
1319
1320 /*
1321 * FIXME those are the defined objects that lack a decoder
1322 * you are welcome to contribute code ;-)
1323 */
1324
1325 case RSVP_OBJ_INTEGRITY:
1326 case RSVP_OBJ_SCOPE:
1327 case RSVP_OBJ_POLICY_DATA:
1328 case RSVP_OBJ_LABEL_SET:
1329 case RSVP_OBJ_ACCEPT_LABEL_SET:
1330 case RSVP_OBJ_PROTECTION:
1331 default:
1332 if (vflag <= 1)
1333 print_unknown_data(obj_tptr,"\n\t ",obj_tlen); /* FIXME indentation */
1334 break;
1335 }
1336 /* do we also want to see a hex dump ? */
1337 if (vflag > 1 || hexdump==TRUE)
1338 print_unknown_data(tptr+sizeof(sizeof(struct rsvp_object_header)),"\n\t ", /* FIXME indentation */
1339 rsvp_obj_len-sizeof(struct rsvp_object_header));
1340
1341 tptr+=rsvp_obj_len;
1342 tlen-=rsvp_obj_len;
1343 }
1344 return 0;
1345 trunc:
1346 printf("\n\t\t packet exceeded snapshot");
1347 return -1;
1348 }
1349
1350
1351 void
1352 rsvp_print(register const u_char *pptr, register u_int len) {
1353
1354 const struct rsvp_common_header *rsvp_com_header;
1355 const u_char *tptr,*subtptr;
1356 u_short tlen,subtlen;
1357
1358 tptr=pptr;
1359
1360 rsvp_com_header = (const struct rsvp_common_header *)pptr;
1361 TCHECK(*rsvp_com_header);
1362
1363 /*
1364 * Sanity checking of the header.
1365 */
1366 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1367 printf("ERROR: RSVP version %u packet not supported",
1368 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags));
1369 return;
1370 }
1371
1372 /* in non-verbose mode just lets print the basic Message Type*/
1373 if (vflag < 1) {
1374 printf("RSVPv%u %s Message, length: %u",
1375 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1376 tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
1377 len);
1378 return;
1379 }
1380
1381 /* ok they seem to want to know everything - lets fully decode it */
1382
1383 tlen=EXTRACT_16BITS(rsvp_com_header->length);
1384
1385 printf("\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1386 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1387 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1388 rsvp_com_header->msg_type,
1389 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1390 tlen,
1391 rsvp_com_header->ttl,
1392 EXTRACT_16BITS(rsvp_com_header->checksum));
1393
1394 if (tlen < sizeof(const struct rsvp_common_header)) {
1395 printf("ERROR: common header too short %u < %lu", tlen,
1396 (unsigned long)sizeof(const struct rsvp_common_header));
1397 return;
1398 }
1399
1400 tptr+=sizeof(const struct rsvp_common_header);
1401 tlen-=sizeof(const struct rsvp_common_header);
1402
1403 switch(rsvp_com_header->msg_type) {
1404
1405 case RSVP_MSGTYPE_AGGREGATE:
1406 while(tlen > 0) {
1407 subtptr=tptr;
1408 rsvp_com_header = (const struct rsvp_common_header *)subtptr;
1409 TCHECK(*rsvp_com_header);
1410
1411 /*
1412 * Sanity checking of the header.
1413 */
1414 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1415 printf("ERROR: RSVP version %u packet not supported",
1416 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags));
1417 return;
1418 }
1419 subtlen=EXTRACT_16BITS(rsvp_com_header->length);
1420
1421 printf("\n\t RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1422 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1423 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1424 rsvp_com_header->msg_type,
1425 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1426 subtlen,
1427 rsvp_com_header->ttl,
1428 EXTRACT_16BITS(rsvp_com_header->checksum));
1429
1430 if (subtlen < sizeof(const struct rsvp_common_header)) {
1431 printf("ERROR: common header too short %u < %lu", subtlen,
1432 (unsigned long)sizeof(const struct rsvp_common_header));
1433 return;
1434 }
1435
1436 if (tlen < subtlen) {
1437 printf("ERROR: common header too large %u > %u", subtlen,
1438 tlen);
1439 return;
1440 }
1441
1442 subtptr+=sizeof(const struct rsvp_common_header);
1443 subtlen-=sizeof(const struct rsvp_common_header);
1444
1445 if (rsvp_obj_print(subtptr,"\n\t ", subtlen) == -1)
1446 return;
1447
1448 tptr+=subtlen+sizeof(const struct rsvp_common_header);
1449 tlen-=subtlen+sizeof(const struct rsvp_common_header);
1450 }
1451
1452 break;
1453
1454 case RSVP_MSGTYPE_PATH:
1455 case RSVP_MSGTYPE_RESV:
1456 case RSVP_MSGTYPE_PATHERR:
1457 case RSVP_MSGTYPE_RESVERR:
1458 case RSVP_MSGTYPE_PATHTEAR:
1459 case RSVP_MSGTYPE_RESVTEAR:
1460 case RSVP_MSGTYPE_RESVCONF:
1461 case RSVP_MSGTYPE_HELLO_OLD:
1462 case RSVP_MSGTYPE_HELLO:
1463 case RSVP_MSGTYPE_ACK:
1464 case RSVP_MSGTYPE_SREFRESH:
1465 if (rsvp_obj_print(tptr,"\n\t ", tlen) == -1)
1466 return;
1467 break;
1468
1469 default:
1470 print_unknown_data(tptr,"\n\t ",tlen);
1471 break;
1472 }
1473
1474 return;
1475 trunc:
1476 printf("\n\t\t packet exceeded snapshot");
1477 }
[mirror] the TCPdump network dissector