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bugfix: the timer values in the restart object
[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 1.24.2.4 2005-01-13 07:28:23 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_SUGGESTED_LABEL 129 /* rfc3473 */
144 #define RSVP_OBJ_ACCEPT_LABEL_SET 130 /* rfc3473 */
145 #define RSVP_OBJ_RESTART_CAPABILITY 131 /* rfc3473 */
146 #define RSVP_OBJ_NOTIFY_REQ 195 /* rfc3473 */
147 #define RSVP_OBJ_ADMIN_STATUS 196 /* rfc3473 */
148 #define RSVP_OBJ_PROPERTIES 204 /* juniper proprietary */
149 #define RSVP_OBJ_FASTREROUTE 205 /* draft-ietf-mpls-rsvp-lsp-fastreroute-01 */
150 #define RSVP_OBJ_SESSION_ATTRIBUTE 207 /* rfc3209 */
151 #define RSVP_OBJ_CALL_ID 230 /* rfc3474 */
152 #define RSVP_OBJ_CALL_OPS 236 /* rfc3474 */
153
154 static const struct tok rsvp_obj_values[] = {
155 { RSVP_OBJ_SESSION, "Session" },
156 { RSVP_OBJ_RSVP_HOP, "RSVP Hop" },
157 { RSVP_OBJ_INTEGRITY, "Integrity" },
158 { RSVP_OBJ_TIME_VALUES, "Time Values" },
159 { RSVP_OBJ_ERROR_SPEC, "Error Spec" },
160 { RSVP_OBJ_SCOPE, "Scope" },
161 { RSVP_OBJ_STYLE, "Style" },
162 { RSVP_OBJ_FLOWSPEC, "Flowspec" },
163 { RSVP_OBJ_FILTERSPEC, "FilterSpec" },
164 { RSVP_OBJ_SENDER_TEMPLATE, "Sender Template" },
165 { RSVP_OBJ_SENDER_TSPEC, "Sender TSpec" },
166 { RSVP_OBJ_ADSPEC, "Adspec" },
167 { RSVP_OBJ_POLICY_DATA, "Policy Data" },
168 { RSVP_OBJ_CONFIRM, "Confirm" },
169 { RSVP_OBJ_LABEL, "Label" },
170 { RSVP_OBJ_LABEL_REQ, "Label Request" },
171 { RSVP_OBJ_ERO, "ERO" },
172 { RSVP_OBJ_RRO, "RRO" },
173 { RSVP_OBJ_HELLO, "Hello" },
174 { RSVP_OBJ_MESSAGE_ID, "Message ID" },
175 { RSVP_OBJ_MESSAGE_ID_ACK, "Message ID Ack" },
176 { RSVP_OBJ_MESSAGE_ID_LIST, "Message ID List" },
177 { RSVP_OBJ_RECOVERY_LABEL, "Recovery Label" },
178 { RSVP_OBJ_UPSTREAM_LABEL, "Upstream Label" },
179 { RSVP_OBJ_LABEL_SET, "Label Set" },
180 { RSVP_OBJ_ACCEPT_LABEL_SET, "Acceptable Label Set" },
181 { RSVP_OBJ_DETOUR, "Detour" },
182 { RSVP_OBJ_SUGGESTED_LABEL, "Suggested Label" },
183 { RSVP_OBJ_PROPERTIES, "Properties" },
184 { RSVP_OBJ_FASTREROUTE, "Fast Re-Route" },
185 { RSVP_OBJ_SESSION_ATTRIBUTE, "Session Attribute" },
186 { RSVP_OBJ_CALL_ID, "Call-ID" },
187 { RSVP_OBJ_CALL_OPS, "Call Capability" },
188 { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" },
189 { RSVP_OBJ_NOTIFY_REQ, "Notify Request" },
190 { RSVP_OBJ_PROTECTION, "Protection" },
191 { RSVP_OBJ_ADMIN_STATUS, "Administrative Status" },
192 { 0, NULL}
193 };
194
195 #define RSVP_CTYPE_IPV4 1
196 #define RSVP_CTYPE_IPV6 2
197 #define RSVP_CTYPE_TUNNEL_IPV4 7
198 #define RSVP_CTYPE_TUNNEL_IPV6 8
199 #define RSVP_CTYPE_1 1
200 #define RSVP_CTYPE_2 2
201 #define RSVP_CTYPE_3 3
202 #define RSVP_CTYPE_4 4
203
204 /*
205 * the ctypes are not globally unique so for
206 * translating it to strings we build a table based
207 * on objects offsetted by the ctype
208 */
209
210 static const struct tok rsvp_ctype_values[] = {
211 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV4, "IPv4" },
212 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV6, "IPv6" },
213 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
214 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
215 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV4, "IPv4" },
216 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV6, "IPv6" },
217 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV4, "IPv4" },
218 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV6, "IPv6" },
219 { 256*RSVP_OBJ_TIME_VALUES+RSVP_CTYPE_1, "1" },
220 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_1, "obsolete" },
221 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_2, "IntServ" },
222 { 256*RSVP_OBJ_SENDER_TSPEC+RSVP_CTYPE_2, "IntServ" },
223 { 256*RSVP_OBJ_ADSPEC+RSVP_CTYPE_2, "IntServ" },
224 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV4, "IPv4" },
225 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6, "IPv6" },
226 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3, "IPv6 Flow-label" },
227 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
228 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4, "IPv4" },
229 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6, "IPv6" },
230 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
231 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV4, "IPv4" },
232 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6, "IPv6" },
233 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
234 { 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1, "1" },
235 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1, "Hello Request" },
236 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2, "Hello Ack" },
237 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1, "without label range" },
238 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2, "with ATM label range" },
239 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3, "with FR label range" },
240 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4, "Generalized Label" },
241 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1, "Label" },
242 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_2, "Generalized Label" },
243 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
244 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1, "Label" },
245 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_2, "Generalized Label" },
246 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
247 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1, "Label" },
248 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_2, "Generalized Label" },
249 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
250 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_1, "Label" },
251 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_2, "Generalized Label" },
252 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
253 { 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4, "IPv4" },
254 { 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4, "IPv4" },
255 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4, "IPv4" },
256 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6, "IPv6" },
257 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
258 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
259 { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1, "IPv4" },
260 { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
261 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
262 { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
263 { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1, "1" },
264 { 0, NULL}
265 };
266
267 #define RSVP_OBJ_XRO_MASK_SUBOBJ(x) ((x)&0x7f)
268 #define RSVP_OBJ_XRO_MASK_LOOSE(x) ((x)&0x80)
269
270 #define RSVP_OBJ_XRO_RES 0
271 #define RSVP_OBJ_XRO_IPV4 1
272 #define RSVP_OBJ_XRO_IPV6 2
273 #define RSVP_OBJ_XRO_ASN 32
274 #define RSVP_OBJ_XRO_MPLS 64
275
276 static const struct tok rsvp_obj_xro_values[] = {
277 { RSVP_OBJ_XRO_RES, "Reserved" },
278 { RSVP_OBJ_XRO_IPV4, "IPv4 prefix" },
279 { RSVP_OBJ_XRO_IPV6, "IPv6 prefix" },
280 { RSVP_OBJ_XRO_ASN, "Autonomous system number" },
281 { RSVP_OBJ_XRO_MPLS, "MPLS label switched path termination" },
282 { 0, NULL}
283 };
284
285 /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
286 static const struct tok rsvp_obj_rro_flag_values[] = {
287 { 0x01, "Local protection available" },
288 { 0x02, "Local protection in use" },
289 { 0x04, "Bandwidth protection" },
290 { 0x08, "Node protection" },
291 { 0, NULL}
292 };
293
294 static const struct tok rsvp_resstyle_values[] = {
295 { 17, "Wildcard Filter" },
296 { 10, "Fixed Filter" },
297 { 18, "Shared Explicit" },
298 { 0, NULL}
299 };
300
301 #define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2
302 #define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5
303
304 static const struct tok rsvp_intserv_service_type_values[] = {
305 { 1, "Default/Global Information" },
306 { RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" },
307 { RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" },
308 { 0, NULL}
309 };
310
311 static const struct tok rsvp_intserv_parameter_id_values[] = {
312 { 4, "IS hop cnt" },
313 { 6, "Path b/w estimate" },
314 { 8, "Minimum path latency" },
315 { 10, "Composed MTU" },
316 { 127, "Token Bucket TSpec" },
317 { 130, "Guaranteed Service RSpec" },
318 { 133, "End-to-end composed value for C" },
319 { 134, "End-to-end composed value for D" },
320 { 135, "Since-last-reshaping point composed C" },
321 { 136, "Since-last-reshaping point composed D" },
322 { 0, NULL}
323 };
324
325 static struct tok rsvp_session_attribute_flag_values[] = {
326 { 0x01, "Local Protection desired" },
327 { 0x02, "Label Recording desired" },
328 { 0x04, "SE Style desired" },
329 { 0x08, "Bandwidth protection desired" }, /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
330 { 0x10, "Node protection desired" }, /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
331 { 0, NULL}
332 };
333
334 static struct tok rsvp_obj_prop_tlv_values[] = {
335 { 0x01, "Cos" },
336 { 0x02, "Metric 1" },
337 { 0x04, "Metric 2" },
338 { 0x08, "CCC Status" },
339 { 0x10, "Path Type" },
340 { 0, NULL}
341 };
342
343 #define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24
344 #define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY 25
345
346 static struct tok rsvp_obj_error_code_values[] = {
347 { RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" },
348 { RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY, "Notify Error" },
349 { 0, NULL}
350 };
351
352 static struct tok rsvp_obj_error_code_routing_values[] = {
353 { 1, "Bad EXPLICIT_ROUTE object" },
354 { 2, "Bad strict node" },
355 { 3, "Bad loose node" },
356 { 4, "Bad initial subobject" },
357 { 5, "No route available toward destination" },
358 { 6, "Unacceptable label value" },
359 { 7, "RRO indicated routing loops" },
360 { 8, "non-RSVP-capable router in the path" },
361 { 9, "MPLS label allocation failure" },
362 { 10, "Unsupported L3PID" },
363 { 0, NULL}
364 };
365
366 #define FALSE 0
367 #define TRUE 1
368
369
370 static int rsvp_intserv_print(const u_char *, u_short);
371
372 /*
373 * this is a dissector for all the intserv defined
374 * specs as defined per rfc2215
375 * it is called from various rsvp objects;
376 * returns the amount of bytes being processed
377 */
378 static int
379 rsvp_intserv_print(const u_char *tptr, u_short obj_tlen) {
380
381 int parameter_id,parameter_length;
382 union {
383 float f;
384 u_int32_t i;
385 } bw;
386
387 if (obj_tlen < 4)
388 return 0;
389 parameter_id = *(tptr);
390 parameter_length = EXTRACT_16BITS(tptr+2)<<2; /* convert wordcount to bytecount */
391
392 printf("\n\t Parameter ID: %s (%u), length: %u, Flags: [0x%02x]",
393 tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id),
394 parameter_id,
395 parameter_length,
396 *(tptr+1));
397
398 if (obj_tlen < parameter_length+4)
399 return 0;
400 switch(parameter_id) { /* parameter_id */
401
402 case 4:
403 /*
404 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
405 * | 4 (e) | (f) | 1 (g) |
406 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
407 * | IS hop cnt (32-bit unsigned integer) |
408 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
409 */
410 if (parameter_length == 4)
411 printf("\n\t\tIS hop count: %u", EXTRACT_32BITS(tptr+4));
412 break;
413
414 case 6:
415 /*
416 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
417 * | 6 (h) | (i) | 1 (j) |
418 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
419 * | Path b/w estimate (32-bit IEEE floating point number) |
420 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
421 */
422 if (parameter_length == 4) {
423 bw.i = EXTRACT_32BITS(tptr+4);
424 printf("\n\t\tPath b/w estimate: %.10g Mbps", bw.f/125000);
425 }
426 break;
427
428 case 8:
429 /*
430 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
431 * | 8 (k) | (l) | 1 (m) |
432 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
433 * | Minimum path latency (32-bit integer) |
434 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
435 */
436 if (parameter_length == 4) {
437 printf("\n\t\tMinimum path latency: ");
438 if (EXTRACT_32BITS(tptr+4) == 0xffffffff)
439 printf("don't care");
440 else
441 printf("%u", EXTRACT_32BITS(tptr+4));
442 }
443 break;
444
445 case 10:
446
447 /*
448 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
449 * | 10 (n) | (o) | 1 (p) |
450 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
451 * | Composed MTU (32-bit unsigned integer) |
452 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
453 */
454 if (parameter_length == 4)
455 printf("\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr+4));
456 break;
457 case 127:
458 /*
459 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
460 * | 127 (e) | 0 (f) | 5 (g) |
461 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
462 * | Token Bucket Rate [r] (32-bit IEEE floating point number) |
463 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
464 * | Token Bucket Size [b] (32-bit IEEE floating point number) |
465 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
466 * | Peak Data Rate [p] (32-bit IEEE floating point number) |
467 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
468 * | Minimum Policed Unit [m] (32-bit integer) |
469 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
470 * | Maximum Packet Size [M] (32-bit integer) |
471 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
472 */
473
474 if (parameter_length == 20) {
475 bw.i = EXTRACT_32BITS(tptr+4);
476 printf("\n\t\tToken Bucket Rate: %.10g Mbps", bw.f/125000);
477 bw.i = EXTRACT_32BITS(tptr+8);
478 printf("\n\t\tToken Bucket Size: %.10g bytes", bw.f);
479 bw.i = EXTRACT_32BITS(tptr+12);
480 printf("\n\t\tPeak Data Rate: %.10g Mbps", bw.f/125000);
481 printf("\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr+16));
482 printf("\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr+20));
483 }
484 break;
485
486 case 130:
487 /*
488 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
489 * | 130 (h) | 0 (i) | 2 (j) |
490 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
491 * | Rate [R] (32-bit IEEE floating point number) |
492 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
493 * | Slack Term [S] (32-bit integer) |
494 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
495 */
496
497 if (parameter_length == 8) {
498 bw.i = EXTRACT_32BITS(tptr+4);
499 printf("\n\t\tRate: %.10g Mbps", bw.f/125000);
500 printf("\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr+8));
501 }
502 break;
503
504 case 133:
505 case 134:
506 case 135:
507 case 136:
508 if (parameter_length == 4)
509 printf("\n\t\tValue: %u", EXTRACT_32BITS(tptr+4));
510 break;
511
512 default:
513 if (vflag <= 1)
514 print_unknown_data(tptr+4,"\n\t\t",parameter_length);
515 }
516 return (parameter_length+4); /* header length 4 bytes */
517 }
518
519 void
520 rsvp_print(register const u_char *pptr, register u_int len) {
521
522 const struct rsvp_common_header *rsvp_com_header;
523 const struct rsvp_object_header *rsvp_obj_header;
524 const u_char *tptr,*obj_tptr;
525 u_short tlen,rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen;
526 int hexdump,processed,padbytes,error_code,error_value;
527 union {
528 float f;
529 u_int32_t i;
530 } bw;
531 u_int8_t namelen;
532 u_int i;
533
534 tptr=pptr;
535 rsvp_com_header = (const struct rsvp_common_header *)pptr;
536 TCHECK(*rsvp_com_header);
537
538 /*
539 * Sanity checking of the header.
540 */
541 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
542 printf("RSVP version %u packet not supported",
543 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags));
544 return;
545 }
546
547 /* in non-verbose mode just lets print the basic Message Type*/
548 if (vflag < 1) {
549 printf("RSVP %s Message, length: %u",
550 tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
551 len);
552 return;
553 }
554
555 /* ok they seem to want to know everything - lets fully decode it */
556
557 tlen=EXTRACT_16BITS(rsvp_com_header->length);
558
559 printf("RSVP\n\tv: %u, msg-type: %s, Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
560 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
561 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
562 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
563 tlen,
564 rsvp_com_header->ttl,
565 EXTRACT_16BITS(rsvp_com_header->checksum));
566
567 if (tlen < sizeof(const struct rsvp_common_header))
568 return;
569 tptr+=sizeof(const struct rsvp_common_header);
570 tlen-=sizeof(const struct rsvp_common_header);
571
572 while(tlen>0) {
573 /* did we capture enough for fully decoding the object header ? */
574 if (!TTEST2(*tptr, sizeof(struct rsvp_object_header)))
575 goto trunc;
576
577 rsvp_obj_header = (const struct rsvp_object_header *)tptr;
578 rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length);
579 rsvp_obj_ctype=rsvp_obj_header->ctype;
580
581 if(rsvp_obj_len % 4 || rsvp_obj_len < sizeof(struct rsvp_object_header))
582 return;
583
584 printf("\n\t %s Object (%u) Flags: [%s",
585 tok2str(rsvp_obj_values,
586 "Unknown",
587 rsvp_obj_header->class_num),
588 rsvp_obj_header->class_num,
589 ((rsvp_obj_header->class_num)&0x80) ? "ignore" : "reject");
590
591 if (rsvp_obj_header->class_num > 128)
592 printf(" %s",
593 ((rsvp_obj_header->class_num)&0x40) ? "and forward" : "silently");
594
595 printf(" if unknown], Class-Type: %s (%u), length: %u",
596 tok2str(rsvp_ctype_values,
597 "Unknown",
598 ((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype),
599 rsvp_obj_ctype,
600 rsvp_obj_len);
601
602 obj_tptr=tptr+sizeof(struct rsvp_object_header);
603 obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
604
605 /* did we capture enough for fully decoding the object ? */
606 if (!TTEST2(*tptr, rsvp_obj_len))
607 goto trunc;
608 hexdump=FALSE;
609
610 switch(rsvp_obj_header->class_num) {
611 case RSVP_OBJ_SESSION:
612 switch(rsvp_obj_ctype) {
613 case RSVP_CTYPE_IPV4:
614 if (obj_tlen < 8)
615 return;
616 printf("\n\t IPv4 DestAddress: %s, Protocol ID: 0x%02x",
617 ipaddr_string(obj_tptr),
618 *(obj_tptr+4));
619 printf("\n\t Flags: [0x%02x], DestPort %u",
620 *(obj_tptr+5),
621 EXTRACT_16BITS(obj_tptr+6));
622 obj_tlen-=8;
623 obj_tptr+=8;
624 break;
625 #ifdef INET6
626 case RSVP_CTYPE_IPV6:
627 if (obj_tlen < 20)
628 return;
629 printf("\n\t IPv6 DestAddress: %s, Protocol ID: 0x%02x",
630 ip6addr_string(obj_tptr),
631 *(obj_tptr+16));
632 printf("\n\t Flags: [0x%02x], DestPort %u",
633 *(obj_tptr+17),
634 EXTRACT_16BITS(obj_tptr+18));
635 obj_tlen-=20;
636 obj_tptr+=20;
637 break;
638
639 case RSVP_CTYPE_TUNNEL_IPV6:
640 if (obj_tlen < 36)
641 return;
642 printf("\n\t IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
643 ip6addr_string(obj_tptr),
644 EXTRACT_16BITS(obj_tptr+18),
645 ip6addr_string(obj_tptr+20));
646 obj_tlen-=36;
647 obj_tptr+=36;
648 break;
649 #endif
650 case RSVP_CTYPE_TUNNEL_IPV4:
651 if (obj_tlen < 12)
652 return;
653 printf("\n\t IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
654 ipaddr_string(obj_tptr),
655 EXTRACT_16BITS(obj_tptr+6),
656 ipaddr_string(obj_tptr+8));
657 obj_tlen-=12;
658 obj_tptr+=12;
659 break;
660 default:
661 hexdump=TRUE;
662 }
663 break;
664
665 case RSVP_OBJ_CONFIRM:
666 switch(rsvp_obj_ctype) {
667 case RSVP_CTYPE_IPV4:
668 if (obj_tlen < 4)
669 return;
670 printf("\n\t IPv4 Receiver Address: %s",
671 ipaddr_string(obj_tptr));
672 obj_tlen-=4;
673 obj_tptr+=4;
674 break;
675 #ifdef INET6
676 case RSVP_CTYPE_IPV6:
677 if (obj_tlen < 16)
678 return;
679 printf("\n\t IPv6 Receiver Address: %s",
680 ip6addr_string(obj_tptr));
681 obj_tlen-=16;
682 obj_tptr+=16;
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 < 4)
694 return;
695 printf("\n\t IPv4 Notify Node Address: %s",
696 ipaddr_string(obj_tptr));
697 obj_tlen-=4;
698 obj_tptr+=4;
699 break;
700 #ifdef INET6
701 case RSVP_CTYPE_IPV6:
702 if (obj_tlen < 16)
703 return;
704 printf("\n\t IPv6 Notify Node Address: %s",
705 ip6addr_string(obj_tptr));
706 obj_tlen-=16;
707 obj_tptr+=16;
708 break;
709 #endif
710 default:
711 hexdump=TRUE;
712 }
713 break;
714
715 case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
716 case RSVP_OBJ_UPSTREAM_LABEL: /* fall through */
717 case RSVP_OBJ_RECOVERY_LABEL: /* fall through */
718 case RSVP_OBJ_LABEL:
719 switch(rsvp_obj_ctype) {
720 case RSVP_CTYPE_1:
721 while(obj_tlen >= 4 ) {
722 printf("\n\t Label: %u", EXTRACT_32BITS(obj_tptr));
723 obj_tlen-=4;
724 obj_tptr+=4;
725 }
726 break;
727 case RSVP_CTYPE_2:
728 if (obj_tlen < 4)
729 return;
730 printf("\n\t Generalized Label: %u",
731 EXTRACT_32BITS(obj_tptr));
732 obj_tlen-=4;
733 obj_tptr+=4;
734 break;
735 case RSVP_CTYPE_3:
736 if (obj_tlen < 12)
737 return;
738 printf("\n\t Waveband ID: %u\n\t Start Label: %u, Stop Label: %u",
739 EXTRACT_32BITS(obj_tptr),
740 EXTRACT_32BITS(obj_tptr+4),
741 EXTRACT_32BITS(obj_tptr+8));
742 obj_tlen-=12;
743 obj_tptr+=12;
744 break;
745 default:
746 hexdump=TRUE;
747 }
748 break;
749
750 case RSVP_OBJ_STYLE:
751 switch(rsvp_obj_ctype) {
752 case RSVP_CTYPE_1:
753 if (obj_tlen < 4)
754 return;
755 printf("\n\t Reservation Style: %s, Flags: [0x%02x]",
756 tok2str(rsvp_resstyle_values,
757 "Unknown",
758 EXTRACT_24BITS(obj_tptr+1)),
759 *(obj_tptr));
760 obj_tlen-=4;
761 obj_tptr+=4;
762 break;
763 default:
764 hexdump=TRUE;
765 }
766 break;
767
768 case RSVP_OBJ_SENDER_TEMPLATE:
769 switch(rsvp_obj_ctype) {
770 case RSVP_CTYPE_IPV4:
771 if (obj_tlen < 8)
772 return;
773 printf("\n\t Source Address: %s, Source Port: %u",
774 ipaddr_string(obj_tptr),
775 EXTRACT_16BITS(obj_tptr+6));
776 obj_tlen-=8;
777 obj_tptr+=8;
778 break;
779 #ifdef INET6
780 case RSVP_CTYPE_IPV6:
781 if (obj_tlen < 20)
782 return;
783 printf("\n\t Source Address: %s, Source Port: %u",
784 ip6addr_string(obj_tptr),
785 EXTRACT_16BITS(obj_tptr+18));
786 obj_tlen-=20;
787 obj_tptr+=20;
788 break;
789 #endif
790 case RSVP_CTYPE_TUNNEL_IPV4:
791 if (obj_tlen < 8)
792 return;
793 printf("\n\t IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
794 ipaddr_string(obj_tptr),
795 EXTRACT_16BITS(obj_tptr+6));
796 obj_tlen-=8;
797 obj_tptr+=8;
798 break;
799 default:
800 hexdump=TRUE;
801 }
802 break;
803
804 case RSVP_OBJ_LABEL_REQ:
805 switch(rsvp_obj_ctype) {
806 case RSVP_CTYPE_1:
807 while(obj_tlen >= 4 ) {
808 printf("\n\t L3 Protocol ID: %s",
809 tok2str(ethertype_values,
810 "Unknown Protocol (0x%04x)",
811 EXTRACT_16BITS(obj_tptr+2)));
812 obj_tlen-=4;
813 obj_tptr+=4;
814 }
815 break;
816 case RSVP_CTYPE_2:
817 if (obj_tlen < 12)
818 return;
819 printf("\n\t L3 Protocol ID: %s",
820 tok2str(ethertype_values,
821 "Unknown Protocol (0x%04x)",
822 EXTRACT_16BITS(obj_tptr+2)));
823 printf(",%s merge capability",((*(obj_tptr+4))&0x80) ? "no" : "" );
824 printf("\n\t Minimum VPI/VCI: %u/%u",
825 (EXTRACT_16BITS(obj_tptr+4))&0xfff,
826 (EXTRACT_16BITS(obj_tptr+6))&0xfff);
827 printf("\n\t Maximum VPI/VCI: %u/%u",
828 (EXTRACT_16BITS(obj_tptr+8))&0xfff,
829 (EXTRACT_16BITS(obj_tptr+10))&0xfff);
830 obj_tlen-=12;
831 obj_tptr+=12;
832 break;
833 case RSVP_CTYPE_3:
834 if (obj_tlen < 12)
835 return;
836 printf("\n\t L3 Protocol ID: %s",
837 tok2str(ethertype_values,
838 "Unknown Protocol (0x%04x)",
839 EXTRACT_16BITS(obj_tptr+2)));
840 printf("\n\t Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI",
841 (EXTRACT_32BITS(obj_tptr+4))&0x7fffff,
842 (EXTRACT_32BITS(obj_tptr+8))&0x7fffff,
843 (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "",
844 (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 2 ) ? "23" : "");
845 obj_tlen-=12;
846 obj_tptr+=12;
847 break;
848 case RSVP_CTYPE_4:
849 if (obj_tlen < 8)
850 return;
851 printf("\n\t LSP Encoding Type: %s (%u)",
852 tok2str(gmpls_encoding_values,
853 "Unknown",
854 *obj_tptr),
855 *obj_tptr);
856 printf("\n\t Switching Type: %s (%u), Payload ID: %s (0x%04x)",
857 tok2str(gmpls_switch_cap_values,
858 "Unknown",
859 *(obj_tptr+1)),
860 *(obj_tptr+1),
861 tok2str(gmpls_payload_values,
862 "Unknown",
863 EXTRACT_16BITS(obj_tptr+2)),
864 EXTRACT_16BITS(obj_tptr+2));
865 obj_tlen-=8;
866 obj_tptr+=8;
867 break;
868 default:
869 hexdump=TRUE;
870 }
871 break;
872
873 case RSVP_OBJ_RRO:
874 case RSVP_OBJ_ERO:
875 switch(rsvp_obj_ctype) {
876 case RSVP_CTYPE_IPV4:
877 while(obj_tlen >= 4 ) {
878 printf("\n\t Subobject Type: %s",
879 tok2str(rsvp_obj_xro_values,
880 "Unknown %u",
881 RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)));
882 switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) {
883 case RSVP_OBJ_XRO_IPV4:
884 printf(", %s, %s/%u, Flags: [%s]",
885 RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
886 ipaddr_string(obj_tptr+2),
887 *(obj_tptr+6),
888 bittok2str(rsvp_obj_rro_flag_values,
889 "none",
890 *(obj_tptr+7))); /* rfc3209 says that this field is rsvd. */
891 }
892 obj_tlen-=*(obj_tptr+1);
893 obj_tptr+=*(obj_tptr+1);
894 }
895 break;
896 default:
897 hexdump=TRUE;
898 }
899 break;
900
901 case RSVP_OBJ_HELLO:
902 switch(rsvp_obj_ctype) {
903 case RSVP_CTYPE_1:
904 case RSVP_CTYPE_2:
905 if (obj_tlen < 8)
906 return;
907 printf("\n\t Source Instance: 0x%08x, Destination Instance: 0x%08x",
908 EXTRACT_32BITS(obj_tptr),
909 EXTRACT_32BITS(obj_tptr+4));
910 obj_tlen-=8;
911 obj_tptr+=8;
912 break;
913 default:
914 hexdump=TRUE;
915 }
916 break;
917
918 case RSVP_OBJ_RESTART_CAPABILITY:
919 switch(rsvp_obj_ctype) {
920 case RSVP_CTYPE_1:
921 if (obj_tlen < 8)
922 return;
923 printf("\n\t Restart Time: %ums, Recovery Time: %ums",
924 EXTRACT_32BITS(obj_tptr),
925 EXTRACT_32BITS(obj_tptr+4));
926 obj_tlen-=8;
927 obj_tptr+=8;
928 break;
929 default:
930 hexdump=TRUE;
931 }
932 break;
933
934 case RSVP_OBJ_SESSION_ATTRIBUTE:
935 switch(rsvp_obj_ctype) {
936 case RSVP_CTYPE_TUNNEL_IPV4:
937 if (obj_tlen < 4)
938 return;
939 namelen = *(obj_tptr+3);
940 if (obj_tlen < 4+namelen)
941 return;
942 printf("\n\t Session Name: ");
943 for (i = 0; i < namelen; i++)
944 safeputchar(*(obj_tptr+4+i));
945 printf("\n\t Setup Priority: %u, Holding Priority: %u, Flags: [%s]",
946 (int)*obj_tptr,
947 (int)*(obj_tptr+1),
948 tok2str(rsvp_session_attribute_flag_values,
949 "none",
950 *(obj_tptr+2)));
951
952 obj_tlen-=4+*(obj_tptr+3);
953 obj_tptr+=4+*(obj_tptr+3);
954 break;
955 default:
956 hexdump=TRUE;
957 }
958 break;
959
960 case RSVP_OBJ_RSVP_HOP:
961 switch(rsvp_obj_ctype) {
962 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
963 case RSVP_CTYPE_IPV4:
964 if (obj_tlen < 8)
965 return;
966 printf("\n\t Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
967 ipaddr_string(obj_tptr),
968 EXTRACT_32BITS(obj_tptr+4));
969 obj_tlen-=8;
970 obj_tptr+=8;
971 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
972 break;
973 #ifdef INET6
974 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
975 case RSVP_CTYPE_IPV6:
976 if (obj_tlen < 20)
977 return;
978 printf("\n\t Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
979 ip6addr_string(obj_tptr),
980 EXTRACT_32BITS(obj_tptr+16));
981 obj_tlen-=20;
982 obj_tptr+=20;
983 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
984 break;
985 #endif
986 default:
987 hexdump=TRUE;
988 }
989 break;
990
991 case RSVP_OBJ_TIME_VALUES:
992 switch(rsvp_obj_ctype) {
993 case RSVP_CTYPE_1:
994 if (obj_tlen < 4)
995 return;
996 printf("\n\t Refresh Period: %ums",
997 EXTRACT_32BITS(obj_tptr));
998 obj_tlen-=4;
999 obj_tptr+=4;
1000 break;
1001 default:
1002 hexdump=TRUE;
1003 }
1004 break;
1005
1006 /* those three objects do share the same semantics */
1007 case RSVP_OBJ_SENDER_TSPEC:
1008 case RSVP_OBJ_ADSPEC:
1009 case RSVP_OBJ_FLOWSPEC:
1010 switch(rsvp_obj_ctype) {
1011 case RSVP_CTYPE_2:
1012 if (obj_tlen < 4)
1013 return;
1014 printf("\n\t Msg-Version: %u, length: %u",
1015 (*obj_tptr & 0xf0) >> 4,
1016 EXTRACT_16BITS(obj_tptr+2)<<2);
1017 obj_tptr+=4; /* get to the start of the service header */
1018 obj_tlen-=4;
1019
1020 while (obj_tlen >= 4) {
1021 intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
1022 printf("\n\t Service Type: %s (%u), break bit %s set, Service length: %u",
1023 tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)),
1024 *(obj_tptr),
1025 (*(obj_tptr+1)&0x80) ? "" : "not",
1026 intserv_serv_tlen);
1027
1028 obj_tptr+=4; /* get to the start of the parameter list */
1029 obj_tlen-=4;
1030
1031 while (intserv_serv_tlen>=4) {
1032 processed = rsvp_intserv_print(obj_tptr, obj_tlen);
1033 if (processed == 0)
1034 break;
1035 obj_tlen-=processed;
1036 intserv_serv_tlen-=processed;
1037 obj_tptr+=processed;
1038 }
1039 }
1040 break;
1041 default:
1042 hexdump=TRUE;
1043 }
1044 break;
1045
1046 case RSVP_OBJ_FILTERSPEC:
1047 switch(rsvp_obj_ctype) {
1048 case RSVP_CTYPE_IPV4:
1049 if (obj_tlen < 8)
1050 return;
1051 printf("\n\t Source Address: %s, Source Port: %u",
1052 ipaddr_string(obj_tptr),
1053 EXTRACT_16BITS(obj_tptr+6));
1054 obj_tlen-=8;
1055 obj_tptr+=8;
1056 break;
1057 #ifdef INET6
1058 case RSVP_CTYPE_IPV6:
1059 if (obj_tlen < 20)
1060 return;
1061 printf("\n\t Source Address: %s, Source Port: %u",
1062 ip6addr_string(obj_tptr),
1063 EXTRACT_16BITS(obj_tptr+18));
1064 obj_tlen-=20;
1065 obj_tptr+=20;
1066 break;
1067 case RSVP_CTYPE_3:
1068 if (obj_tlen < 20)
1069 return;
1070 printf("\n\t Source Address: %s, Flow Label: %u",
1071 ip6addr_string(obj_tptr),
1072 EXTRACT_24BITS(obj_tptr+17));
1073 obj_tlen-=20;
1074 obj_tptr+=20;
1075 break;
1076 case RSVP_CTYPE_TUNNEL_IPV6:
1077 if (obj_tlen < 20)
1078 return;
1079 printf("\n\t Source Address: %s, LSP-ID: 0x%04x",
1080 ipaddr_string(obj_tptr),
1081 EXTRACT_16BITS(obj_tptr+18));
1082 obj_tlen-=20;
1083 obj_tptr+=20;
1084 break;
1085 #endif
1086 case RSVP_CTYPE_TUNNEL_IPV4:
1087 if (obj_tlen < 8)
1088 return;
1089 printf("\n\t Source Address: %s, LSP-ID: 0x%04x",
1090 ipaddr_string(obj_tptr),
1091 EXTRACT_16BITS(obj_tptr+6));
1092 obj_tlen-=8;
1093 obj_tptr+=8;
1094 break;
1095 default:
1096 hexdump=TRUE;
1097 }
1098 break;
1099
1100 case RSVP_OBJ_FASTREROUTE:
1101 switch(rsvp_obj_ctype) {
1102 case RSVP_CTYPE_TUNNEL_IPV4:
1103 if (obj_tlen < 16)
1104 return;
1105 bw.i = EXTRACT_32BITS(obj_tptr+4);
1106 printf("\n\t Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1107 (int)*obj_tptr,
1108 (int)*(obj_tptr+1),
1109 (int)*(obj_tptr+2),
1110 bw.f*8/1000000);
1111 printf("\n\t Include Colors: 0x%08x, Exclude Colors: 0x%08x",
1112 EXTRACT_32BITS(obj_tptr+8),
1113 EXTRACT_32BITS(obj_tptr+12));
1114 obj_tlen-=16;
1115 obj_tptr+=16;
1116 break;
1117 default:
1118 hexdump=TRUE;
1119 }
1120 break;
1121
1122 case RSVP_OBJ_DETOUR:
1123 switch(rsvp_obj_ctype) {
1124 case RSVP_CTYPE_TUNNEL_IPV4:
1125 while(obj_tlen >= 8) {
1126 printf("\n\t PLR-ID: %s, Avoid-Node-ID: %s",
1127 ipaddr_string(obj_tptr),
1128 ipaddr_string(obj_tptr+4));
1129 obj_tlen-=8;
1130 obj_tptr+=8;
1131 }
1132 break;
1133 default:
1134 hexdump=TRUE;
1135 }
1136 break;
1137
1138 case RSVP_OBJ_ERROR_SPEC:
1139 switch(rsvp_obj_ctype) {
1140 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1141 case RSVP_CTYPE_IPV4:
1142 if (obj_tlen < 8)
1143 return;
1144 error_code=*(obj_tptr+5);
1145 error_value=EXTRACT_16BITS(obj_tptr+6);
1146 printf("\n\t Error Node Adress: %s, Flags: [0x%02x]\n\t Error Code: %s (%u)",
1147 ipaddr_string(obj_tptr),
1148 *(obj_tptr+4),
1149 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1150 error_code);
1151 switch (error_code) {
1152 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1153 printf(", Error Value: %s (%u)",
1154 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1155 error_value);
1156 break;
1157 default:
1158 printf(", Unknown Error Value (%u)", error_value);
1159 break;
1160 }
1161 obj_tlen-=8;
1162 obj_tptr+=8;
1163 break;
1164 #ifdef INET6
1165 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1166 case RSVP_CTYPE_IPV6:
1167 if (obj_tlen < 20)
1168 return;
1169 error_code=*(obj_tptr+17);
1170 error_value=EXTRACT_16BITS(obj_tptr+18);
1171 printf("\n\t Error Node Adress: %s, Flags: [0x%02x]\n\t Error Code: %s (%u)",
1172 ip6addr_string(obj_tptr),
1173 *(obj_tptr+16),
1174 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1175 error_code);
1176
1177 switch (error_code) {
1178 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1179 printf(", Error Value: %s (%u)",
1180 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1181 error_value);
1182 break;
1183 default:
1184 break;
1185 }
1186 obj_tlen-=20;
1187 obj_tptr+=20;
1188 break;
1189 #endif
1190 default:
1191 hexdump=TRUE;
1192 }
1193 break;
1194
1195 case RSVP_OBJ_PROPERTIES:
1196 switch(rsvp_obj_ctype) {
1197 case RSVP_CTYPE_1:
1198 if (obj_tlen < 4)
1199 return;
1200 padbytes = EXTRACT_16BITS(obj_tptr+2);
1201 printf("\n\t TLV count: %u, padding bytes: %u",
1202 EXTRACT_16BITS(obj_tptr),
1203 padbytes);
1204 obj_tlen-=4;
1205 obj_tptr+=4;
1206 /* loop through as long there is anything longer than the TLV header (2) */
1207 while(obj_tlen >= 2 + padbytes) {
1208 printf("\n\t %s TLV (0x%02x), length: %u", /* length includes header */
1209 tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
1210 *obj_tptr,
1211 *(obj_tptr+1));
1212 if (obj_tlen < *(obj_tptr+1))
1213 return;
1214 print_unknown_data(obj_tptr+2,"\n\t\t",*(obj_tptr+1)-2);
1215 obj_tlen-=*(obj_tptr+1);
1216 obj_tptr+=*(obj_tptr+1);
1217 }
1218 break;
1219 default:
1220 hexdump=TRUE;
1221 }
1222 break;
1223
1224 /*
1225 * FIXME those are the defined objects that lack a decoder
1226 * you are welcome to contribute code ;-)
1227 */
1228
1229 case RSVP_OBJ_INTEGRITY:
1230 case RSVP_OBJ_SCOPE:
1231 case RSVP_OBJ_POLICY_DATA:
1232 case RSVP_OBJ_MESSAGE_ID:
1233 case RSVP_OBJ_MESSAGE_ID_ACK:
1234 case RSVP_OBJ_MESSAGE_ID_LIST:
1235 case RSVP_OBJ_LABEL_SET:
1236 case RSVP_OBJ_ACCEPT_LABEL_SET:
1237 case RSVP_OBJ_PROTECTION:
1238 default:
1239 if (vflag <= 1)
1240 print_unknown_data(obj_tptr,"\n\t ",obj_tlen);
1241 break;
1242 }
1243 /* do we want to see an additionally hexdump ? */
1244 if (vflag > 1 || hexdump==TRUE)
1245 print_unknown_data(tptr+sizeof(sizeof(struct rsvp_object_header)),"\n\t ",
1246 rsvp_obj_len-sizeof(struct rsvp_object_header));
1247
1248 tptr+=rsvp_obj_len;
1249 tlen-=rsvp_obj_len;
1250 }
1251 return;
1252 trunc:
1253 printf("\n\t\t packet exceeded snapshot");
1254 }
[mirror] the TCPdump network dissector