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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[] =
18 "@(#) $Header: /tcpdump/master/tcpdump/print-rsvp.c,v 1.19 2003-05-08 14:52:20 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
36 /*
37 * RFC 2205 common header
38 *
39 * 0 1 2 3
40 * +-------------+-------------+-------------+-------------+
41 * | Vers | Flags| Msg Type | RSVP Checksum |
42 * +-------------+-------------+-------------+-------------+
43 * | Send_TTL | (Reserved) | RSVP Length |
44 * +-------------+-------------+-------------+-------------+
45 *
46 */
47
48 struct rsvp_common_header {
49 u_int8_t version_flags;
50 u_int8_t msg_type;
51 u_int8_t checksum[2];
52 u_int8_t ttl;
53 u_int8_t reserved;
54 u_int8_t length[2];
55 };
56
57 /*
58 * RFC2205 object header
59 *
60 *
61 * 0 1 2 3
62 * +-------------+-------------+-------------+-------------+
63 * | Length (bytes) | Class-Num | C-Type |
64 * +-------------+-------------+-------------+-------------+
65 * | |
66 * // (Object contents) //
67 * | |
68 * +-------------+-------------+-------------+-------------+
69 */
70
71 struct rsvp_object_header {
72 u_int8_t length[2];
73 u_int8_t class_num;
74 u_int8_t ctype;
75 };
76
77 #define RSVP_VERSION 1
78 #define RSVP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
79
80 #define RSVP_MSGTYPE_PATH 1
81 #define RSVP_MSGTYPE_RESV 2
82 #define RSVP_MSGTYPE_PATHERR 3
83 #define RSVP_MSGTYPE_RESVERR 4
84 #define RSVP_MSGTYPE_PATHTEAR 5
85 #define RSVP_MSGTYPE_RESVTEAR 6
86 #define RSVP_MSGTYPE_RESVCONF 7
87 #define RSVP_MSGTYPE_AGGREGATE 12
88 #define RSVP_MSGTYPE_ACK 13
89 #define RSVP_MSGTYPE_HELLO_OLD 14 /* ancient Hellos */
90 #define RSVP_MSGTYPE_SREFRESH 15
91 #define RSVP_MSGTYPE_HELLO 20
92
93 static const struct tok rsvp_msg_type_values[] = {
94 { RSVP_MSGTYPE_PATH, "Path" },
95 { RSVP_MSGTYPE_RESV, "Resv" },
96 { RSVP_MSGTYPE_PATHERR, "PathErr" },
97 { RSVP_MSGTYPE_RESVERR, "ResvErr" },
98 { RSVP_MSGTYPE_PATHTEAR, "PathTear" },
99 { RSVP_MSGTYPE_RESVTEAR, "ResvTear" },
100 { RSVP_MSGTYPE_RESVCONF, "ResvConf" },
101 { RSVP_MSGTYPE_AGGREGATE, "Aggregate" },
102 { RSVP_MSGTYPE_ACK, "Acknowledgement" },
103 { RSVP_MSGTYPE_HELLO_OLD, "Hello (Old)" },
104 { RSVP_MSGTYPE_SREFRESH, "Refresh" },
105 { RSVP_MSGTYPE_HELLO, "Hello" },
106 { 0, NULL}
107 };
108
109 #define RSVP_OBJ_SESSION 1 /* rfc2205 */
110 #define RSVP_OBJ_RSVP_HOP 3 /* rfc2205 */
111 #define RSVP_OBJ_INTEGRITY 4
112 #define RSVP_OBJ_TIME_VALUES 5 /* rfc2205 */
113 #define RSVP_OBJ_ERROR_SPEC 6
114 #define RSVP_OBJ_SCOPE 7
115 #define RSVP_OBJ_STYLE 8 /* rfc2205 */
116 #define RSVP_OBJ_FLOWSPEC 9 /* rfc2215 */
117 #define RSVP_OBJ_FILTERSPEC 10 /* rfc2215 */
118 #define RSVP_OBJ_SENDER_TEMPLATE 11
119 #define RSVP_OBJ_SENDER_TSPEC 12 /* rfc2215 */
120 #define RSVP_OBJ_ADSPEC 13 /* rfc2215 */
121 #define RSVP_OBJ_POLICY_DATA 14
122 #define RSVP_OBJ_CONFIRM 15 /* rfc2205 */
123 #define RSVP_OBJ_LABEL 16 /* rfc3209 */
124 #define RSVP_OBJ_LABEL_REQ 19 /* rfc3209 */
125 #define RSVP_OBJ_ERO 20 /* rfc3209 */
126 #define RSVP_OBJ_RRO 21 /* rfc3209 */
127 #define RSVP_OBJ_HELLO 22 /* rfc3209 */
128 #define RSVP_OBJ_MESSAGE_ID 23
129 #define RSVP_OBJ_MESSAGE_ID_ACK 24
130 #define RSVP_OBJ_MESSAGE_ID_LIST 25
131 #define RSVP_OBJ_RECOVERY_LABEL 34
132 #define RSVP_OBJ_UPSTREAM_LABEL 35
133 #define RSVP_OBJ_DETOUR 63 /* draft-ietf-mpls-rsvp-lsp-fastreroute-01 */
134 #define RSVP_OBJ_SUGGESTED_LABEL 129
135 #define RSVP_OBJ_PROPERTIES 204
136 #define RSVP_OBJ_FASTREROUTE 205 /* draft-ietf-mpls-rsvp-lsp-fastreroute-01 */
137 #define RSVP_OBJ_SESSION_ATTRIBUTE 207 /* rfc3209 */
138 #define RSVP_OBJ_RESTART_CAPABILITY 131 /* draft-pan-rsvp-te-restart */
139
140 static const struct tok rsvp_obj_values[] = {
141 { RSVP_OBJ_SESSION, "Session" },
142 { RSVP_OBJ_RSVP_HOP, "RSVP Hop" },
143 { RSVP_OBJ_INTEGRITY, "Integrity" },
144 { RSVP_OBJ_TIME_VALUES, "Time Values" },
145 { RSVP_OBJ_ERROR_SPEC, "Error Spec" },
146 { RSVP_OBJ_SCOPE, "Scope" },
147 { RSVP_OBJ_STYLE, "Style" },
148 { RSVP_OBJ_FLOWSPEC, "Flowspec" },
149 { RSVP_OBJ_FILTERSPEC, "FilterSpec" },
150 { RSVP_OBJ_SENDER_TEMPLATE, "Sender Template" },
151 { RSVP_OBJ_SENDER_TSPEC, "Sender TSpec" },
152 { RSVP_OBJ_ADSPEC, "Adspec" },
153 { RSVP_OBJ_POLICY_DATA, "Policy Data" },
154 { RSVP_OBJ_CONFIRM, "Confirm" },
155 { RSVP_OBJ_LABEL, "Label" },
156 { RSVP_OBJ_LABEL_REQ, "Label Request" },
157 { RSVP_OBJ_ERO, "ERO" },
158 { RSVP_OBJ_RRO, "RRO" },
159 { RSVP_OBJ_HELLO, "Hello" },
160 { RSVP_OBJ_MESSAGE_ID, "Message ID" },
161 { RSVP_OBJ_MESSAGE_ID_ACK, "Message ID Ack" },
162 { RSVP_OBJ_MESSAGE_ID_LIST, "Message ID List" },
163 { RSVP_OBJ_RECOVERY_LABEL, "Recovery Label" },
164 { RSVP_OBJ_UPSTREAM_LABEL, "Upstream Label" },
165 { RSVP_OBJ_DETOUR, "Detour" },
166 { RSVP_OBJ_SUGGESTED_LABEL, "Suggested Label" },
167 { RSVP_OBJ_PROPERTIES, "Properties" },
168 { RSVP_OBJ_FASTREROUTE, "Fast Re-Route" },
169 { RSVP_OBJ_SESSION_ATTRIBUTE, "Session Attribute" },
170 { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" },
171 { 0, NULL}
172 };
173
174 #define RSVP_CTYPE_IPV4 1
175 #define RSVP_CTYPE_IPV6 2
176 #define RSVP_CTYPE_TUNNEL_IPV4 7
177 #define RSVP_CTYPE_TUNNEL_IPV6 8
178 #define RSVP_CTYPE_1 1
179 #define RSVP_CTYPE_2 2
180 #define RSVP_CTYPE_3 3
181
182 /*
183 * the ctypes are not globally unique so for
184 * translating it to strings we build a table based
185 * on objects offsetted by the ctype
186 */
187
188 static const struct tok rsvp_ctype_values[] = {
189 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV4, "IPv4" },
190 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV6, "IPv6" },
191 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV4, "IPv4" },
192 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV6, "IPv6" },
193 { 256*RSVP_OBJ_TIME_VALUES+RSVP_CTYPE_1, "1" },
194 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_1, "obsolete" },
195 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_2, "IntServ" },
196 { 256*RSVP_OBJ_SENDER_TSPEC+RSVP_CTYPE_2, "IntServ" },
197 { 256*RSVP_OBJ_ADSPEC+RSVP_CTYPE_2, "IntServ" },
198 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV4, "IPv4" },
199 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6, "IPv6" },
200 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3, "IPv6 Flow-label" },
201 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
202 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4, "IPv4" },
203 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6, "IPv6" },
204 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
205 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV4, "IPv4" },
206 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6, "IPv6" },
207 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
208 { 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1, "1" },
209 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1, "Hello Request" },
210 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2, "Hello Ack" },
211 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1, "without label range" },
212 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2, "with ATM label range" },
213 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3, "with FR label range" },
214 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1, "1" },
215 { 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4, "IPv4" },
216 { 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4, "IPv4" },
217 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4, "IPv4" },
218 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6, "IPv6" },
219 { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1, "IPv4" },
220 { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
221 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
222 { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
223 { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1, "1" },
224 { 0, NULL}
225 };
226
227 #define RSVP_OBJ_XRO_MASK_SUBOBJ(x) ((x)&0x7f)
228 #define RSVP_OBJ_XRO_MASK_LOOSE(x) ((x)&0x80)
229
230 #define RSVP_OBJ_XRO_RES 0
231 #define RSVP_OBJ_XRO_IPV4 1
232 #define RSVP_OBJ_XRO_IPV6 2
233 #define RSVP_OBJ_XRO_ASN 32
234 #define RSVP_OBJ_XRO_MPLS 64
235
236 static const struct tok rsvp_obj_xro_values[] = {
237 { RSVP_OBJ_XRO_RES, "Reserved" },
238 { RSVP_OBJ_XRO_IPV4, "IPv4 prefix" },
239 { RSVP_OBJ_XRO_IPV6, "IPv6 prefix" },
240 { RSVP_OBJ_XRO_ASN, "Autonomous system number" },
241 { RSVP_OBJ_XRO_MPLS, "MPLS label switched path termination" },
242 { 0, NULL}
243 };
244
245 /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
246 static const struct tok rsvp_obj_rro_flag_values[] = {
247 { 0x01, "Local protection available" },
248 { 0x02, "Local protection in use" },
249 { 0x04, "Bandwidth protection" },
250 { 0x08, "Node protection" },
251 { 0, NULL}
252 };
253
254 static const struct tok rsvp_resstyle_values[] = {
255 { 17, "Wildcard Filter" },
256 { 10, "Fixed Filter" },
257 { 18, "Shared Explicit" },
258 { 0, NULL}
259 };
260
261 #define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2
262 #define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5
263
264 static const struct tok rsvp_intserv_service_type_values[] = {
265 { 1, "Default/Global Information" },
266 { RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" },
267 { RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" },
268 { 0, NULL}
269 };
270
271 static const struct tok rsvp_intserv_parameter_id_values[] = {
272 { 4, "IS hop cnt" },
273 { 6, "Path b/w estimate" },
274 { 8, "Minimum path latency" },
275 { 10, "Composed MTU" },
276 { 127, "Token Bucket TSpec" },
277 { 130, "Guaranteed Service RSpec" },
278 { 133, "End-to-end composed value for C" },
279 { 134, "End-to-end composed value for D" },
280 { 135, "Since-last-reshaping point composed C" },
281 { 136, "Since-last-reshaping point composed D" },
282 { 0, NULL}
283 };
284
285 static struct tok rsvp_session_attribute_flag_values[] = {
286 { 0x01, "Local Protection desired" },
287 { 0x02, "Label Recording desired" },
288 { 0x04, "SE Style desired" },
289 { 0x08, "Bandwidth protection desired" }, /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
290 { 0x10, "Node protection desired" }, /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
291 { 0, NULL}
292 };
293
294 static struct tok rsvp_obj_prop_tlv_values[] = {
295 { 0x01, "Cos" },
296 { 0x02, "Metric 1" },
297 { 0x04, "Metric 2" },
298 { 0x08, "CCC Status" },
299 { 0x10, "Path Type" },
300 { 0, NULL}
301 };
302
303 #define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24
304 #define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY 25
305
306 static struct tok rsvp_obj_error_code_values[] = {
307 { RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" },
308 { RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY, "Notify Error" },
309 { 0, NULL}
310 };
311
312 static struct tok rsvp_obj_error_code_routing_values[] = {
313 { 1, "Bad EXPLICIT_ROUTE object" },
314 { 2, "Bad strict node" },
315 { 3, "Bad loose node" },
316 { 4, "Bad initial subobject" },
317 { 5, "No route available toward destination" },
318 { 6, "Unacceptable label value" },
319 { 7, "RRO indicated routing loops" },
320 { 8, "non-RSVP-capable router in the path" },
321 { 9, "MPLS label allocation failure" },
322 { 10, "Unsupported L3PID" },
323 { 0, NULL}
324 };
325
326 #define FALSE 0
327 #define TRUE 1
328
329
330 int rsvp_intserv_print(const u_char *);
331
332 /*
333 * this is a dissector for all the intserv defined
334 * specs as defined per rfc2215
335 * it is called from various rsvp objects;
336 * returns the amount of bytes being processed
337 */
338 int
339 rsvp_intserv_print(const u_char *tptr) {
340
341 int parameter_id,parameter_length;
342 union {
343 float f;
344 u_int32_t i;
345 } bw;
346
347 parameter_id = *(tptr);
348 parameter_length = EXTRACT_16BITS(tptr+2)<<2; /* convert wordcount to bytecount */
349
350 printf("\n\t Parameter ID: %s (%u), length: %u, Flags: [0x%02x]",
351 tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id),
352 parameter_id,
353 parameter_length,
354 *(tptr+1));
355
356 switch(parameter_id) { /* parameter_id */
357
358 case 4:
359 /*
360 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
361 * | 4 (e) | (f) | 1 (g) |
362 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
363 * | IS hop cnt (32-bit unsigned integer) |
364 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
365 */
366 printf("\n\t\tIS hop cnt: %u", EXTRACT_32BITS(tptr+4));
367 break;
368
369 case 6:
370 /*
371 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
372 * | 6 (h) | (i) | 1 (j) |
373 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
374 * | Path b/w estimate (32-bit IEEE floating point number) |
375 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
376 */
377 bw.i = EXTRACT_32BITS(tptr+4);
378 printf("\n\t\tPath b/w estimate: %.10g Mbps", bw.f/125000);
379 break;
380
381 case 8:
382 /*
383 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
384 * | 8 (k) | (l) | 1 (m) |
385 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
386 * | Minimum path latency (32-bit integer) |
387 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
388 */
389 printf("\n\t\tMinimum path latency: ");
390 if (EXTRACT_32BITS(tptr+4) == 0xffffffff)
391 printf("don't care");
392 else
393 printf("%u", EXTRACT_32BITS(tptr+4));
394 break;
395
396 case 10:
397
398 /*
399 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
400 * | 10 (n) | (o) | 1 (p) |
401 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
402 * | Composed MTU (32-bit unsigned integer) |
403 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
404 */
405 printf("\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr+4));
406 break;
407 case 127:
408 /*
409 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
410 * | 127 (e) | 0 (f) | 5 (g) |
411 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
412 * | Token Bucket Rate [r] (32-bit IEEE floating point number) |
413 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
414 * | Token Bucket Size [b] (32-bit IEEE floating point number) |
415 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
416 * | Peak Data Rate [p] (32-bit IEEE floating point number) |
417 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
418 * | Minimum Policed Unit [m] (32-bit integer) |
419 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
420 * | Maximum Packet Size [M] (32-bit integer) |
421 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
422 */
423
424 bw.i = EXTRACT_32BITS(tptr+4);
425 printf("\n\t\tToken Bucket Rate: %.10g Mbps", bw.f/125000);
426 bw.i = EXTRACT_32BITS(tptr+8);
427 printf("\n\t\tToken Bucket Size: %.10g bytes", bw.f);
428 bw.i = EXTRACT_32BITS(tptr+12);
429 printf("\n\t\tPeak Data Rate: %.10g Mbps", bw.f/125000);
430 printf("\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr+16));
431 printf("\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr+20));
432 break;
433
434 case 130:
435 /*
436 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
437 * | 130 (h) | 0 (i) | 2 (j) |
438 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
439 * | Rate [R] (32-bit IEEE floating point number) |
440 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
441 * | Slack Term [S] (32-bit integer) |
442 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
443 */
444
445 bw.i = EXTRACT_32BITS(tptr+4);
446 printf("\n\t\tRate: %.10g Mbps", bw.f/125000);
447 printf("\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr+8));
448 break;
449
450 case 133:
451 case 134:
452 case 135:
453 case 136:
454 printf("\n\t\tValue: %u", EXTRACT_32BITS(tptr+4));
455 break;
456
457 default:
458 if (vflag <= 1)
459 print_unknown_data(tptr+4,"\n\t\t",parameter_length);
460 }
461 return (parameter_length+4); /* header length 4 bytes */
462 }
463
464 void
465 rsvp_print(register const u_char *pptr, register u_int len) {
466
467 const struct rsvp_common_header *rsvp_com_header;
468 const struct rsvp_object_header *rsvp_obj_header;
469 const u_char *tptr,*obj_tptr;
470 u_short tlen,rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen;
471 int hexdump,processed,padbytes,error_code,error_value;
472 union {
473 float f;
474 u_int32_t i;
475 } bw;
476
477 tptr=pptr;
478 rsvp_com_header = (const struct rsvp_common_header *)pptr;
479 TCHECK(*rsvp_com_header);
480
481 /*
482 * Sanity checking of the header.
483 */
484 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
485 printf("RSVP version %u packet not supported",
486 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags));
487 return;
488 }
489
490 /* in non-verbose mode just lets print the basic Message Type*/
491 if (vflag < 1) {
492 printf("RSVP %s Message, length: %u",
493 tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
494 len);
495 return;
496 }
497
498 /* ok they seem to want to know everything - lets fully decode it */
499
500 tlen=EXTRACT_16BITS(rsvp_com_header->length);
501
502 printf("RSVP\n\tv: %u, msg-type: %s, length: %u, ttl: %u, checksum: 0x%04x",
503 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
504 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
505 tlen,
506 rsvp_com_header->ttl,
507 EXTRACT_16BITS(rsvp_com_header->checksum));
508
509 tptr+=sizeof(const struct rsvp_common_header);
510 tlen-=sizeof(const struct rsvp_common_header);
511
512 while(tlen>0) {
513 /* did we capture enough for fully decoding the object header ? */
514 if (!TTEST2(*tptr, sizeof(struct rsvp_object_header)))
515 goto trunc;
516
517 rsvp_obj_header = (const struct rsvp_object_header *)tptr;
518 rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length);
519 rsvp_obj_ctype=rsvp_obj_header->ctype;
520
521 if(rsvp_obj_len % 4 || rsvp_obj_len < 4)
522 return;
523
524 printf("\n\t %s Object (%u) Flags: [%s",
525 tok2str(rsvp_obj_values,
526 "Unknown",
527 rsvp_obj_header->class_num),
528 rsvp_obj_header->class_num,
529 ((rsvp_obj_header->class_num)&0x80) ? "ignore" : "reject");
530
531 if (rsvp_obj_header->class_num > 128)
532 printf(" %s",
533 ((rsvp_obj_header->class_num)&0x40) ? "and forward" : "silently");
534
535 printf(" if unknown], Class-Type: %s (%u), length: %u",
536 tok2str(rsvp_ctype_values,
537 "Unknown",
538 ((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype),
539 rsvp_obj_ctype,
540 rsvp_obj_len);
541
542 obj_tptr=tptr+sizeof(struct rsvp_object_header);
543 obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
544
545 /* did we capture enough for fully decoding the object ? */
546 if (!TTEST2(*tptr, rsvp_obj_len))
547 goto trunc;
548 hexdump=FALSE;
549
550 switch(rsvp_obj_header->class_num) {
551 case RSVP_OBJ_SESSION:
552 switch(rsvp_obj_ctype) {
553 case RSVP_CTYPE_IPV4:
554 printf("\n\t IPv4 DestAddress: %s, Protocol ID: 0x%02x",
555 ipaddr_string(obj_tptr),
556 *(obj_tptr+4));
557 printf("\n\t Flags: [0x%02x], DestPort %u",
558 *(obj_tptr+5),
559 EXTRACT_16BITS(obj_tptr+6));
560 obj_tlen-=8;
561 obj_tptr+=8;
562 break;
563 #ifdef INET6
564 case RSVP_CTYPE_IPV6:
565 printf("\n\t IPv6 DestAddress: %s, Protocol ID: 0x%02x",
566 ip6addr_string(obj_tptr),
567 *(obj_tptr+16));
568 printf("\n\t Flags: [0x%02x], DestPort %u",
569 *(obj_tptr+17),
570 EXTRACT_16BITS(obj_tptr+18));
571 obj_tlen-=20;
572 obj_tptr+=20;
573 break;
574
575 case RSVP_CTYPE_TUNNEL_IPV6:
576 printf("\n\t IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
577 ip6addr_string(obj_tptr),
578 EXTRACT_16BITS(obj_tptr+18),
579 ip6addr_string(obj_tptr+20));
580 obj_tlen-=36;
581 obj_tptr+=36;
582 break;
583 #endif
584 case RSVP_CTYPE_TUNNEL_IPV4:
585 printf("\n\t IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
586 ipaddr_string(obj_tptr),
587 EXTRACT_16BITS(obj_tptr+6),
588 ipaddr_string(obj_tptr+8));
589 obj_tlen-=12;
590 obj_tptr+=12;
591 break;
592 default:
593 hexdump=TRUE;
594 }
595 break;
596
597 case RSVP_OBJ_CONFIRM:
598 switch(rsvp_obj_ctype) {
599 case RSVP_CTYPE_IPV4:
600 printf("\n\t IPv4 ReceiverAddress: %s",
601 ipaddr_string(obj_tptr));
602 obj_tlen-=4;
603 obj_tptr+=4;
604 break;
605 #ifdef INET6
606 case RSVP_CTYPE_IPV6:
607 printf("\n\t IPv6 ReceiverAddress: %s",
608 ip6addr_string(obj_tptr));
609 obj_tlen-=16;
610 obj_tptr+=16;
611 break;
612 #endif
613 default:
614 hexdump=TRUE;
615 }
616 break;
617
618 case RSVP_OBJ_LABEL:
619 switch(rsvp_obj_ctype) {
620 case RSVP_CTYPE_1:
621 while(obj_tlen >= 4 ) {
622 printf("\n\t Label: %u", EXTRACT_32BITS(obj_tptr));
623 obj_tlen-=4;
624 obj_tptr+=4;
625 }
626 break;
627 default:
628 hexdump=TRUE;
629 }
630 break;
631
632 case RSVP_OBJ_STYLE:
633 switch(rsvp_obj_ctype) {
634 case RSVP_CTYPE_1:
635 printf("\n\t Reservation Style: %s, Flags: [0x%02x]",
636 tok2str(rsvp_resstyle_values,
637 "Unknown",
638 EXTRACT_24BITS(obj_tptr+1)),
639 *(obj_tptr));
640 obj_tlen-=4;
641 obj_tptr+=4;
642 break;
643 default:
644 hexdump=TRUE;
645 }
646 break;
647
648 case RSVP_OBJ_SENDER_TEMPLATE:
649 switch(rsvp_obj_ctype) {
650 case RSVP_CTYPE_IPV4:
651 printf("\n\t Source Address: %s, Source Port: %u",
652 ipaddr_string(obj_tptr),
653 EXTRACT_16BITS(obj_tptr+6));
654 obj_tlen-=8;
655 obj_tptr+=8;
656 break;
657 #ifdef INET6
658 case RSVP_CTYPE_IPV6:
659 printf("\n\t Source Address: %s, Source Port: %u",
660 ip6addr_string(obj_tptr),
661 EXTRACT_16BITS(obj_tptr+18));
662 obj_tlen-=20;
663 obj_tptr+=20;
664 break;
665 #endif
666 case RSVP_CTYPE_TUNNEL_IPV4:
667 printf("\n\t IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
668 ipaddr_string(obj_tptr),
669 EXTRACT_16BITS(obj_tptr+6));
670 obj_tlen-=8;
671 obj_tptr+=8;
672 break;
673 default:
674 hexdump=TRUE;
675 }
676 break;
677
678 case RSVP_OBJ_LABEL_REQ:
679 switch(rsvp_obj_ctype) {
680 case RSVP_CTYPE_1:
681 while(obj_tlen >= 4 ) {
682 printf("\n\t L3 Protocol ID: %s",
683 tok2str(ethertype_values,
684 "Unknown Protocol 0x%04x",
685 EXTRACT_16BITS(obj_tptr+2)));
686 obj_tlen-=4;
687 obj_tptr+=4;
688 }
689 break;
690 case RSVP_CTYPE_2:
691 printf("\n\t L3 Protocol ID: %s",
692 tok2str(ethertype_values,
693 "Unknown Protocol 0x%04x",
694 EXTRACT_16BITS(obj_tptr+2)));
695 printf(",%s merge capability",((*(obj_tptr+4))&0x80) ? "no" : "" );
696 printf("\n\t Minimum VPI/VCI %u/%u",
697 (EXTRACT_16BITS(obj_tptr+4))&0xfff,
698 (EXTRACT_16BITS(obj_tptr+6))&0xfff);
699 printf("\n\t Maximum VPI/VCI %u/%u",
700 (EXTRACT_16BITS(obj_tptr+8))&0xfff,
701 (EXTRACT_16BITS(obj_tptr+10))&0xfff);
702 obj_tlen-=12;
703 obj_tptr+=12;
704 break;
705 case RSVP_CTYPE_3:
706 printf("\n\t L3 Protocol ID: %s",
707 tok2str(ethertype_values,
708 "Unknown Protocol 0x%04x",
709 EXTRACT_16BITS(obj_tptr+2)));
710 printf("\n\t Minimum/Maximum DLCI %u/%u, %s%s bit DLCI",
711 (EXTRACT_32BITS(obj_tptr+4))&0x7fffff,
712 (EXTRACT_32BITS(obj_tptr+8))&0x7fffff,
713 (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "",
714 (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 2 ) ? "23" : "");
715 obj_tlen-=12;
716 obj_tptr+=12;
717 break;
718 default:
719 hexdump=TRUE;
720 }
721 break;
722
723 case RSVP_OBJ_RRO:
724 case RSVP_OBJ_ERO:
725 switch(rsvp_obj_ctype) {
726 case RSVP_CTYPE_IPV4:
727 while(obj_tlen >= 4 ) {
728 printf("\n\t Subobject Type: %s",
729 tok2str(rsvp_obj_xro_values,
730 "Unknown %u",
731 RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)));
732 switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) {
733 case RSVP_OBJ_XRO_IPV4:
734 printf(", %s, %s/%u, Flags: [%s]",
735 RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
736 ipaddr_string(obj_tptr+2),
737 *(obj_tptr+6),
738 bittok2str(rsvp_obj_rro_flag_values,
739 "none",
740 *(obj_tptr+7))); /* rfc3209 says that this field is rsvd. */
741 }
742 obj_tlen-=*(obj_tptr+1);
743 obj_tptr+=*(obj_tptr+1);
744 }
745 break;
746 default:
747 hexdump=TRUE;
748 }
749 break;
750
751 case RSVP_OBJ_HELLO:
752 switch(rsvp_obj_ctype) {
753 case RSVP_CTYPE_1:
754 case RSVP_CTYPE_2:
755 printf("\n\t Source Instance 0x%08x, Destination Instance 0x%08x",
756 EXTRACT_32BITS(obj_tptr),
757 EXTRACT_32BITS(obj_tptr+4));
758 obj_tlen-=8;
759 obj_tptr+=8;
760 break;
761 default:
762 hexdump=TRUE;
763 }
764 break;
765
766 case RSVP_OBJ_RESTART_CAPABILITY:
767 switch(rsvp_obj_ctype) {
768 case RSVP_CTYPE_1:
769 printf("\n\t Restart Time: %ums\n\t Recovery Time: %ums",
770 EXTRACT_16BITS(obj_tptr),
771 EXTRACT_16BITS(obj_tptr+4));
772 break;
773 default:
774 hexdump=TRUE;
775 }
776 break;
777
778 case RSVP_OBJ_SESSION_ATTRIBUTE:
779 switch(rsvp_obj_ctype) {
780 case RSVP_CTYPE_TUNNEL_IPV4:
781 printf("\n\t Session Name: %s",(obj_tptr+4));
782 printf("\n\t Setup Priority: %u, Holding Priority: %u, Flags: [%s]",
783 (int)*obj_tptr,
784 (int)*(obj_tptr+1),
785 tok2str(rsvp_session_attribute_flag_values,
786 "none",
787 *(obj_tptr+2)));
788
789 obj_tlen-=4+*(obj_tptr+3);
790 obj_tptr+=4+*(obj_tptr+3);
791 break;
792 default:
793 hexdump=TRUE;
794 }
795 break;
796
797 case RSVP_OBJ_RSVP_HOP:
798 switch(rsvp_obj_ctype) {
799 case RSVP_CTYPE_IPV4:
800 printf("\n\t Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
801 ipaddr_string(obj_tptr),
802 EXTRACT_32BITS(obj_tptr+4));
803 obj_tlen-=8;
804 obj_tptr+=8;
805 break;
806 #ifdef INET6
807 case RSVP_CTYPE_IPV6:
808 printf("\n\t Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
809 ip6addr_string(obj_tptr),
810 EXTRACT_32BITS(obj_tptr+16));
811 obj_tlen-=20;
812 obj_tptr+=20;
813 break;
814 #endif
815 default:
816 hexdump=TRUE;
817 }
818 break;
819
820 case RSVP_OBJ_TIME_VALUES:
821 switch(rsvp_obj_ctype) {
822 case RSVP_CTYPE_1:
823 printf("\n\t Refresh Period: %ums",
824 EXTRACT_32BITS(obj_tptr));
825 obj_tlen-=4;
826 obj_tptr+=4;
827 break;
828 default:
829 hexdump=TRUE;
830 }
831 break;
832
833 /* those three objects do share the same semantics */
834 case RSVP_OBJ_SENDER_TSPEC:
835 case RSVP_OBJ_ADSPEC:
836 case RSVP_OBJ_FLOWSPEC:
837 switch(rsvp_obj_ctype) {
838 case RSVP_CTYPE_2:
839 printf("\n\t Msg-Version: %u, length: %u",
840 (*obj_tptr & 0xf0) >> 4,
841 EXTRACT_16BITS(obj_tptr+2)<<2);
842 obj_tptr+=4; /* get to the start of the service header */
843 obj_tlen-=4;
844
845 while (obj_tlen >= 4) {
846 intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
847 printf("\n\t Service Type: %s (%u), break bit %s set, Service length: %u",
848 tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)),
849 *(obj_tptr),
850 (*(obj_tptr+1)&0x80) ? "" : "not",
851 intserv_serv_tlen);
852
853 obj_tptr+=4; /* get to the start of the parameter list */
854 obj_tlen-=4;
855
856 while (intserv_serv_tlen>=4) {
857 processed = rsvp_intserv_print(obj_tptr);
858 if (processed == 0)
859 break;
860 obj_tlen-=processed;
861 intserv_serv_tlen-=processed;
862 obj_tptr+=processed;
863 }
864 }
865 break;
866 default:
867 hexdump=TRUE;
868 }
869 break;
870
871 case RSVP_OBJ_FILTERSPEC:
872 switch(rsvp_obj_ctype) {
873 case RSVP_CTYPE_IPV4:
874 printf("\n\t Source Address: %s, Source Port: %u",
875 ipaddr_string(obj_tptr),
876 EXTRACT_16BITS(obj_tptr+6));
877 obj_tlen-=8;
878 obj_tptr+=8;
879 break;
880 #ifdef INET6
881 case RSVP_CTYPE_IPV6:
882 printf("\n\t Source Address: %s, Source Port: %u",
883 ip6addr_string(obj_tptr),
884 EXTRACT_16BITS(obj_tptr+18));
885 obj_tlen-=20;
886 obj_tptr+=20;
887 break;
888 case RSVP_CTYPE_3:
889 printf("\n\t Source Address: %s, Flow Label: %u",
890 ip6addr_string(obj_tptr),
891 EXTRACT_24BITS(obj_tptr+17));
892 obj_tlen-=20;
893 obj_tptr+=20;
894 break;
895 case RSVP_CTYPE_TUNNEL_IPV6:
896 printf("\n\t Source Address: %s, LSP-ID: 0x%04x",
897 ipaddr_string(obj_tptr),
898 EXTRACT_16BITS(obj_tptr+18));
899 obj_tlen-=20;
900 obj_tptr+=20;
901 break;
902 #endif
903 case RSVP_CTYPE_TUNNEL_IPV4:
904 printf("\n\t Source Address: %s, LSP-ID: 0x%04x",
905 ipaddr_string(obj_tptr),
906 EXTRACT_16BITS(obj_tptr+6));
907 obj_tlen-=8;
908 obj_tptr+=8;
909 break;
910 default:
911 hexdump=TRUE;
912 }
913 break;
914
915 case RSVP_OBJ_FASTREROUTE:
916 switch(rsvp_obj_ctype) {
917 case RSVP_CTYPE_TUNNEL_IPV4:
918 bw.i = EXTRACT_32BITS(obj_tptr+4);
919 printf("\n\t Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
920 (int)*obj_tptr,
921 (int)*(obj_tptr+1),
922 (int)*(obj_tptr+2),
923 bw.f*8/1000000);
924 printf("\n\t Include Colors: 0x%08x, Exclude Colors: 0x%08x",
925 EXTRACT_32BITS(obj_tptr+8),
926 EXTRACT_32BITS(obj_tptr+12));
927 obj_tlen-=16;
928 obj_tptr+=16;
929 break;
930 default:
931 hexdump=TRUE;
932 }
933 break;
934
935 case RSVP_OBJ_DETOUR:
936 switch(rsvp_obj_ctype) {
937 case RSVP_CTYPE_TUNNEL_IPV4:
938 while(obj_tlen >= 8) {
939 printf("\n\t PLR-ID: %s, Avoid-Node-ID: %s",
940 ipaddr_string(obj_tptr),
941 ipaddr_string(obj_tptr+4));
942 obj_tlen-=8;
943 obj_tptr+=8;
944 }
945 break;
946 default:
947 hexdump=TRUE;
948 }
949 break;
950
951 case RSVP_OBJ_ERROR_SPEC:
952 switch(rsvp_obj_ctype) {
953 case RSVP_CTYPE_IPV4:
954 error_code=*(obj_tptr+5);
955 error_value=EXTRACT_16BITS(obj_tptr+6);
956 printf("\n\t Error Node Adress: %s, Flags: [0x%02x]\n\t Error Code: %s (%u)",
957 ipaddr_string(obj_tptr),
958 *(obj_tptr+4),
959 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
960 error_code);
961 switch (error_code) {
962 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
963 printf(", Error Value: %s (%u)",
964 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
965 error_value);
966 break;
967 default:
968 printf(", Unknown Error Value (%u)", error_value);
969 break;
970 }
971 break;
972 #ifdef INET6
973 case RSVP_CTYPE_IPV6:
974 error_code=*(obj_tptr+17);
975 error_value=EXTRACT_16BITS(obj_tptr+18);
976 printf("\n\t Error Node Adress: %s, Flags: [0x%02x]\n\t Error Code: %s (%u)",
977 ip6addr_string(obj_tptr),
978 *(obj_tptr+16),
979 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
980 error_code);
981
982 switch (error_code) {
983 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
984 printf(", Error Value: %s (%u)",
985 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
986 error_value);
987 break;
988 default:
989 break;
990 }
991
992 break;
993 #endif
994 default:
995 hexdump=TRUE;
996 }
997 break;
998
999 case RSVP_OBJ_PROPERTIES:
1000 switch(rsvp_obj_ctype) {
1001 case RSVP_CTYPE_1:
1002 padbytes = EXTRACT_16BITS(obj_tptr+2);
1003 printf("\n\t TLV count: %u, padding bytes: %u",
1004 EXTRACT_16BITS(obj_tptr),
1005 padbytes);
1006 obj_tlen-=4;
1007 obj_tptr+=4;
1008 /* loop through as long there is anything longer than the TLV header (2) */
1009 while(obj_tlen >= 2 + padbytes) {
1010 printf("\n\t %s TLV (0x%02x), length: %u", /* length includes header */
1011 tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
1012 *obj_tptr,
1013 *(obj_tptr+1));
1014 print_unknown_data(obj_tptr+2,"\n\t\t",*(obj_tptr+1)-2);
1015 obj_tlen-=*(obj_tptr+1);
1016 obj_tptr+=*(obj_tptr+1);
1017 }
1018 break;
1019 default:
1020 hexdump=TRUE;
1021 }
1022 break;
1023
1024 /*
1025 * FIXME those are the defined objects that lack a decoder
1026 * you are welcome to contribute code ;-)
1027 */
1028
1029 case RSVP_OBJ_INTEGRITY:
1030 case RSVP_OBJ_SCOPE:
1031 case RSVP_OBJ_POLICY_DATA:
1032 case RSVP_OBJ_MESSAGE_ID:
1033 case RSVP_OBJ_MESSAGE_ID_ACK:
1034 case RSVP_OBJ_MESSAGE_ID_LIST:
1035 case RSVP_OBJ_RECOVERY_LABEL:
1036 case RSVP_OBJ_UPSTREAM_LABEL:
1037 case RSVP_OBJ_SUGGESTED_LABEL:
1038 default:
1039 if (vflag <= 1)
1040 print_unknown_data(obj_tptr,"\n\t ",obj_tlen);
1041 break;
1042 }
1043 /* do we want to see an additionally hexdump ? */
1044 if (vflag > 1 || hexdump==TRUE)
1045 print_unknown_data(tptr+sizeof(sizeof(struct rsvp_object_header)),"\n\t ",
1046 rsvp_obj_len-sizeof(struct rsvp_object_header));
1047
1048 tptr+=rsvp_obj_len;
1049 tlen-=rsvp_obj_len;
1050 }
1051 return;
1052 trunc:
1053 printf("\n\t\t packet exceeded snapshot");
1054 }
[mirror] the TCPdump network dissector