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add tracefiles for infinite loop testing
[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 1.24.2.5 2005-04-26 14:00:03 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, length %u",
879 tok2str(rsvp_obj_xro_values,
880 "Unknown %u",
881 RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)),
882 *(obj_tptr+1));
883
884 if (*(obj_tptr+1) == 0) { /* prevent infinite loops */
885 printf("\n\t ERROR: zero length ERO subtype");
886 break;
887 }
888
889 switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) {
890 case RSVP_OBJ_XRO_IPV4:
891 printf(", %s, %s/%u, Flags: [%s]",
892 RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
893 ipaddr_string(obj_tptr+2),
894 *(obj_tptr+6),
895 bittok2str(rsvp_obj_rro_flag_values,
896 "none",
897 *(obj_tptr+7))); /* rfc3209 says that this field is rsvd. */
898 }
899 obj_tlen-=*(obj_tptr+1);
900 obj_tptr+=*(obj_tptr+1);
901 }
902 break;
903 default:
904 hexdump=TRUE;
905 }
906 break;
907
908 case RSVP_OBJ_HELLO:
909 switch(rsvp_obj_ctype) {
910 case RSVP_CTYPE_1:
911 case RSVP_CTYPE_2:
912 if (obj_tlen < 8)
913 return;
914 printf("\n\t Source Instance: 0x%08x, Destination Instance: 0x%08x",
915 EXTRACT_32BITS(obj_tptr),
916 EXTRACT_32BITS(obj_tptr+4));
917 obj_tlen-=8;
918 obj_tptr+=8;
919 break;
920 default:
921 hexdump=TRUE;
922 }
923 break;
924
925 case RSVP_OBJ_RESTART_CAPABILITY:
926 switch(rsvp_obj_ctype) {
927 case RSVP_CTYPE_1:
928 if (obj_tlen < 8)
929 return;
930 printf("\n\t Restart Time: %ums, Recovery Time: %ums",
931 EXTRACT_32BITS(obj_tptr),
932 EXTRACT_32BITS(obj_tptr+4));
933 obj_tlen-=8;
934 obj_tptr+=8;
935 break;
936 default:
937 hexdump=TRUE;
938 }
939 break;
940
941 case RSVP_OBJ_SESSION_ATTRIBUTE:
942 switch(rsvp_obj_ctype) {
943 case RSVP_CTYPE_TUNNEL_IPV4:
944 if (obj_tlen < 4)
945 return;
946 namelen = *(obj_tptr+3);
947 if (obj_tlen < 4+namelen)
948 return;
949 printf("\n\t Session Name: ");
950 for (i = 0; i < namelen; i++)
951 safeputchar(*(obj_tptr+4+i));
952 printf("\n\t Setup Priority: %u, Holding Priority: %u, Flags: [%s]",
953 (int)*obj_tptr,
954 (int)*(obj_tptr+1),
955 tok2str(rsvp_session_attribute_flag_values,
956 "none",
957 *(obj_tptr+2)));
958
959 obj_tlen-=4+*(obj_tptr+3);
960 obj_tptr+=4+*(obj_tptr+3);
961 break;
962 default:
963 hexdump=TRUE;
964 }
965 break;
966
967 case RSVP_OBJ_RSVP_HOP:
968 switch(rsvp_obj_ctype) {
969 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
970 case RSVP_CTYPE_IPV4:
971 if (obj_tlen < 8)
972 return;
973 printf("\n\t Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
974 ipaddr_string(obj_tptr),
975 EXTRACT_32BITS(obj_tptr+4));
976 obj_tlen-=8;
977 obj_tptr+=8;
978 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
979 break;
980 #ifdef INET6
981 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
982 case RSVP_CTYPE_IPV6:
983 if (obj_tlen < 20)
984 return;
985 printf("\n\t Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
986 ip6addr_string(obj_tptr),
987 EXTRACT_32BITS(obj_tptr+16));
988 obj_tlen-=20;
989 obj_tptr+=20;
990 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
991 break;
992 #endif
993 default:
994 hexdump=TRUE;
995 }
996 break;
997
998 case RSVP_OBJ_TIME_VALUES:
999 switch(rsvp_obj_ctype) {
1000 case RSVP_CTYPE_1:
1001 if (obj_tlen < 4)
1002 return;
1003 printf("\n\t Refresh Period: %ums",
1004 EXTRACT_32BITS(obj_tptr));
1005 obj_tlen-=4;
1006 obj_tptr+=4;
1007 break;
1008 default:
1009 hexdump=TRUE;
1010 }
1011 break;
1012
1013 /* those three objects do share the same semantics */
1014 case RSVP_OBJ_SENDER_TSPEC:
1015 case RSVP_OBJ_ADSPEC:
1016 case RSVP_OBJ_FLOWSPEC:
1017 switch(rsvp_obj_ctype) {
1018 case RSVP_CTYPE_2:
1019 if (obj_tlen < 4)
1020 return;
1021 printf("\n\t Msg-Version: %u, length: %u",
1022 (*obj_tptr & 0xf0) >> 4,
1023 EXTRACT_16BITS(obj_tptr+2)<<2);
1024 obj_tptr+=4; /* get to the start of the service header */
1025 obj_tlen-=4;
1026
1027 while (obj_tlen >= 4) {
1028 intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
1029 printf("\n\t Service Type: %s (%u), break bit %s set, Service length: %u",
1030 tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)),
1031 *(obj_tptr),
1032 (*(obj_tptr+1)&0x80) ? "" : "not",
1033 intserv_serv_tlen);
1034
1035 obj_tptr+=4; /* get to the start of the parameter list */
1036 obj_tlen-=4;
1037
1038 while (intserv_serv_tlen>=4) {
1039 processed = rsvp_intserv_print(obj_tptr, obj_tlen);
1040 if (processed == 0)
1041 break;
1042 obj_tlen-=processed;
1043 intserv_serv_tlen-=processed;
1044 obj_tptr+=processed;
1045 }
1046 }
1047 break;
1048 default:
1049 hexdump=TRUE;
1050 }
1051 break;
1052
1053 case RSVP_OBJ_FILTERSPEC:
1054 switch(rsvp_obj_ctype) {
1055 case RSVP_CTYPE_IPV4:
1056 if (obj_tlen < 8)
1057 return;
1058 printf("\n\t Source Address: %s, Source Port: %u",
1059 ipaddr_string(obj_tptr),
1060 EXTRACT_16BITS(obj_tptr+6));
1061 obj_tlen-=8;
1062 obj_tptr+=8;
1063 break;
1064 #ifdef INET6
1065 case RSVP_CTYPE_IPV6:
1066 if (obj_tlen < 20)
1067 return;
1068 printf("\n\t Source Address: %s, Source Port: %u",
1069 ip6addr_string(obj_tptr),
1070 EXTRACT_16BITS(obj_tptr+18));
1071 obj_tlen-=20;
1072 obj_tptr+=20;
1073 break;
1074 case RSVP_CTYPE_3:
1075 if (obj_tlen < 20)
1076 return;
1077 printf("\n\t Source Address: %s, Flow Label: %u",
1078 ip6addr_string(obj_tptr),
1079 EXTRACT_24BITS(obj_tptr+17));
1080 obj_tlen-=20;
1081 obj_tptr+=20;
1082 break;
1083 case RSVP_CTYPE_TUNNEL_IPV6:
1084 if (obj_tlen < 20)
1085 return;
1086 printf("\n\t Source Address: %s, LSP-ID: 0x%04x",
1087 ipaddr_string(obj_tptr),
1088 EXTRACT_16BITS(obj_tptr+18));
1089 obj_tlen-=20;
1090 obj_tptr+=20;
1091 break;
1092 #endif
1093 case RSVP_CTYPE_TUNNEL_IPV4:
1094 if (obj_tlen < 8)
1095 return;
1096 printf("\n\t Source Address: %s, LSP-ID: 0x%04x",
1097 ipaddr_string(obj_tptr),
1098 EXTRACT_16BITS(obj_tptr+6));
1099 obj_tlen-=8;
1100 obj_tptr+=8;
1101 break;
1102 default:
1103 hexdump=TRUE;
1104 }
1105 break;
1106
1107 case RSVP_OBJ_FASTREROUTE:
1108 switch(rsvp_obj_ctype) {
1109 case RSVP_CTYPE_TUNNEL_IPV4:
1110 if (obj_tlen < 16)
1111 return;
1112 bw.i = EXTRACT_32BITS(obj_tptr+4);
1113 printf("\n\t Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1114 (int)*obj_tptr,
1115 (int)*(obj_tptr+1),
1116 (int)*(obj_tptr+2),
1117 bw.f*8/1000000);
1118 printf("\n\t Include Colors: 0x%08x, Exclude Colors: 0x%08x",
1119 EXTRACT_32BITS(obj_tptr+8),
1120 EXTRACT_32BITS(obj_tptr+12));
1121 obj_tlen-=16;
1122 obj_tptr+=16;
1123 break;
1124 default:
1125 hexdump=TRUE;
1126 }
1127 break;
1128
1129 case RSVP_OBJ_DETOUR:
1130 switch(rsvp_obj_ctype) {
1131 case RSVP_CTYPE_TUNNEL_IPV4:
1132 while(obj_tlen >= 8) {
1133 printf("\n\t PLR-ID: %s, Avoid-Node-ID: %s",
1134 ipaddr_string(obj_tptr),
1135 ipaddr_string(obj_tptr+4));
1136 obj_tlen-=8;
1137 obj_tptr+=8;
1138 }
1139 break;
1140 default:
1141 hexdump=TRUE;
1142 }
1143 break;
1144
1145 case RSVP_OBJ_ERROR_SPEC:
1146 switch(rsvp_obj_ctype) {
1147 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1148 case RSVP_CTYPE_IPV4:
1149 if (obj_tlen < 8)
1150 return;
1151 error_code=*(obj_tptr+5);
1152 error_value=EXTRACT_16BITS(obj_tptr+6);
1153 printf("\n\t Error Node Adress: %s, Flags: [0x%02x]\n\t Error Code: %s (%u)",
1154 ipaddr_string(obj_tptr),
1155 *(obj_tptr+4),
1156 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1157 error_code);
1158 switch (error_code) {
1159 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1160 printf(", Error Value: %s (%u)",
1161 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1162 error_value);
1163 break;
1164 default:
1165 printf(", Unknown Error Value (%u)", error_value);
1166 break;
1167 }
1168 obj_tlen-=8;
1169 obj_tptr+=8;
1170 break;
1171 #ifdef INET6
1172 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1173 case RSVP_CTYPE_IPV6:
1174 if (obj_tlen < 20)
1175 return;
1176 error_code=*(obj_tptr+17);
1177 error_value=EXTRACT_16BITS(obj_tptr+18);
1178 printf("\n\t Error Node Adress: %s, Flags: [0x%02x]\n\t Error Code: %s (%u)",
1179 ip6addr_string(obj_tptr),
1180 *(obj_tptr+16),
1181 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1182 error_code);
1183
1184 switch (error_code) {
1185 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1186 printf(", Error Value: %s (%u)",
1187 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1188 error_value);
1189 break;
1190 default:
1191 break;
1192 }
1193 obj_tlen-=20;
1194 obj_tptr+=20;
1195 break;
1196 #endif
1197 default:
1198 hexdump=TRUE;
1199 }
1200 break;
1201
1202 case RSVP_OBJ_PROPERTIES:
1203 switch(rsvp_obj_ctype) {
1204 case RSVP_CTYPE_1:
1205 if (obj_tlen < 4)
1206 return;
1207 padbytes = EXTRACT_16BITS(obj_tptr+2);
1208 printf("\n\t TLV count: %u, padding bytes: %u",
1209 EXTRACT_16BITS(obj_tptr),
1210 padbytes);
1211 obj_tlen-=4;
1212 obj_tptr+=4;
1213 /* loop through as long there is anything longer than the TLV header (2) */
1214 while(obj_tlen >= 2 + padbytes) {
1215 printf("\n\t %s TLV (0x%02x), length: %u", /* length includes header */
1216 tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
1217 *obj_tptr,
1218 *(obj_tptr+1));
1219 if (obj_tlen < *(obj_tptr+1))
1220 return;
1221 print_unknown_data(obj_tptr+2,"\n\t\t",*(obj_tptr+1)-2);
1222 obj_tlen-=*(obj_tptr+1);
1223 obj_tptr+=*(obj_tptr+1);
1224 }
1225 break;
1226 default:
1227 hexdump=TRUE;
1228 }
1229 break;
1230
1231 /*
1232 * FIXME those are the defined objects that lack a decoder
1233 * you are welcome to contribute code ;-)
1234 */
1235
1236 case RSVP_OBJ_INTEGRITY:
1237 case RSVP_OBJ_SCOPE:
1238 case RSVP_OBJ_POLICY_DATA:
1239 case RSVP_OBJ_MESSAGE_ID:
1240 case RSVP_OBJ_MESSAGE_ID_ACK:
1241 case RSVP_OBJ_MESSAGE_ID_LIST:
1242 case RSVP_OBJ_LABEL_SET:
1243 case RSVP_OBJ_ACCEPT_LABEL_SET:
1244 case RSVP_OBJ_PROTECTION:
1245 default:
1246 if (vflag <= 1)
1247 print_unknown_data(obj_tptr,"\n\t ",obj_tlen);
1248 break;
1249 }
1250 /* do we want to see an additionally hexdump ? */
1251 if (vflag > 1 || hexdump==TRUE)
1252 print_unknown_data(tptr+sizeof(sizeof(struct rsvp_object_header)),"\n\t ",
1253 rsvp_obj_len-sizeof(struct rsvp_object_header));
1254
1255 tptr+=rsvp_obj_len;
1256 tlen-=rsvp_obj_len;
1257 }
1258 return;
1259 trunc:
1260 printf("\n\t\t packet exceeded snapshot");
1261 }
[mirror] the TCPdump network dissector