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support for generalized label as per rfc3471, correct offset for waveband c-type...
[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 1.21 2003-06-07 23:05:19 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
81 #define RSVP_MSGTYPE_PATH 1
82 #define RSVP_MSGTYPE_RESV 2
83 #define RSVP_MSGTYPE_PATHERR 3
84 #define RSVP_MSGTYPE_RESVERR 4
85 #define RSVP_MSGTYPE_PATHTEAR 5
86 #define RSVP_MSGTYPE_RESVTEAR 6
87 #define RSVP_MSGTYPE_RESVCONF 7
88 #define RSVP_MSGTYPE_AGGREGATE 12
89 #define RSVP_MSGTYPE_ACK 13
90 #define RSVP_MSGTYPE_HELLO_OLD 14 /* ancient Hellos */
91 #define RSVP_MSGTYPE_SREFRESH 15
92 #define RSVP_MSGTYPE_HELLO 20
93
94 static const struct tok rsvp_msg_type_values[] = {
95 { RSVP_MSGTYPE_PATH, "Path" },
96 { RSVP_MSGTYPE_RESV, "Resv" },
97 { RSVP_MSGTYPE_PATHERR, "PathErr" },
98 { RSVP_MSGTYPE_RESVERR, "ResvErr" },
99 { RSVP_MSGTYPE_PATHTEAR, "PathTear" },
100 { RSVP_MSGTYPE_RESVTEAR, "ResvTear" },
101 { RSVP_MSGTYPE_RESVCONF, "ResvConf" },
102 { RSVP_MSGTYPE_AGGREGATE, "Aggregate" },
103 { RSVP_MSGTYPE_ACK, "Acknowledgement" },
104 { RSVP_MSGTYPE_HELLO_OLD, "Hello (Old)" },
105 { RSVP_MSGTYPE_SREFRESH, "Refresh" },
106 { RSVP_MSGTYPE_HELLO, "Hello" },
107 { 0, NULL}
108 };
109
110 #define RSVP_OBJ_SESSION 1 /* rfc2205 */
111 #define RSVP_OBJ_RSVP_HOP 3 /* rfc2205, rfc3473 */
112 #define RSVP_OBJ_INTEGRITY 4
113 #define RSVP_OBJ_TIME_VALUES 5 /* rfc2205 */
114 #define RSVP_OBJ_ERROR_SPEC 6
115 #define RSVP_OBJ_SCOPE 7
116 #define RSVP_OBJ_STYLE 8 /* rfc2205 */
117 #define RSVP_OBJ_FLOWSPEC 9 /* rfc2215 */
118 #define RSVP_OBJ_FILTERSPEC 10 /* rfc2215 */
119 #define RSVP_OBJ_SENDER_TEMPLATE 11
120 #define RSVP_OBJ_SENDER_TSPEC 12 /* rfc2215 */
121 #define RSVP_OBJ_ADSPEC 13 /* rfc2215 */
122 #define RSVP_OBJ_POLICY_DATA 14
123 #define RSVP_OBJ_CONFIRM 15 /* rfc2205 */
124 #define RSVP_OBJ_LABEL 16 /* rfc3209 */
125 #define RSVP_OBJ_LABEL_REQ 19 /* rfc3209 */
126 #define RSVP_OBJ_ERO 20 /* rfc3209 */
127 #define RSVP_OBJ_RRO 21 /* rfc3209 */
128 #define RSVP_OBJ_HELLO 22 /* rfc3209 */
129 #define RSVP_OBJ_MESSAGE_ID 23
130 #define RSVP_OBJ_MESSAGE_ID_ACK 24
131 #define RSVP_OBJ_MESSAGE_ID_LIST 25
132 #define RSVP_OBJ_RECOVERY_LABEL 34 /* rfc3473 */
133 #define RSVP_OBJ_UPSTREAM_LABEL 35 /* rfc3473 */
134 #define RSVP_OBJ_LABEL_SET 36 /* rfc3473 */
135 #define RSVP_OBJ_PROTECTION 37 /* rfc3473 */
136 #define RSVP_OBJ_DETOUR 63 /* draft-ietf-mpls-rsvp-lsp-fastreroute-01 */
137 #define RSVP_OBJ_SUGGESTED_LABEL 129 /* rfc3473 */
138 #define RSVP_OBJ_ACCEPT_LABEL_SET 130 /* rfc3473 */
139 #define RSVP_OBJ_RESTART_CAPABILITY 131 /* rfc3473 */
140 #define RSVP_OBJ_NOTIFY_REQ 195 /* rfc3473 */
141 #define RSVP_OBJ_ADMIN_STATUS 196 /* rfc3473 */
142 #define RSVP_OBJ_PROPERTIES 204 /* juniper proprietary */
143 #define RSVP_OBJ_FASTREROUTE 205 /* draft-ietf-mpls-rsvp-lsp-fastreroute-01 */
144 #define RSVP_OBJ_SESSION_ATTRIBUTE 207 /* rfc3209 */
145 #define RSVP_OBJ_CALL_ID 230 /* rfc3474 */
146 #define RSVP_OBJ_CALL_OPS 236 /* rfc3474 */
147
148 static const struct tok rsvp_obj_values[] = {
149 { RSVP_OBJ_SESSION, "Session" },
150 { RSVP_OBJ_RSVP_HOP, "RSVP Hop" },
151 { RSVP_OBJ_INTEGRITY, "Integrity" },
152 { RSVP_OBJ_TIME_VALUES, "Time Values" },
153 { RSVP_OBJ_ERROR_SPEC, "Error Spec" },
154 { RSVP_OBJ_SCOPE, "Scope" },
155 { RSVP_OBJ_STYLE, "Style" },
156 { RSVP_OBJ_FLOWSPEC, "Flowspec" },
157 { RSVP_OBJ_FILTERSPEC, "FilterSpec" },
158 { RSVP_OBJ_SENDER_TEMPLATE, "Sender Template" },
159 { RSVP_OBJ_SENDER_TSPEC, "Sender TSpec" },
160 { RSVP_OBJ_ADSPEC, "Adspec" },
161 { RSVP_OBJ_POLICY_DATA, "Policy Data" },
162 { RSVP_OBJ_CONFIRM, "Confirm" },
163 { RSVP_OBJ_LABEL, "Label" },
164 { RSVP_OBJ_LABEL_REQ, "Label Request" },
165 { RSVP_OBJ_ERO, "ERO" },
166 { RSVP_OBJ_RRO, "RRO" },
167 { RSVP_OBJ_HELLO, "Hello" },
168 { RSVP_OBJ_MESSAGE_ID, "Message ID" },
169 { RSVP_OBJ_MESSAGE_ID_ACK, "Message ID Ack" },
170 { RSVP_OBJ_MESSAGE_ID_LIST, "Message ID List" },
171 { RSVP_OBJ_RECOVERY_LABEL, "Recovery Label" },
172 { RSVP_OBJ_UPSTREAM_LABEL, "Upstream Label" },
173 { RSVP_OBJ_LABEL_SET, "Label Set" },
174 { RSVP_OBJ_ACCEPT_LABEL_SET, "Acceptable Label Set" },
175 { RSVP_OBJ_DETOUR, "Detour" },
176 { RSVP_OBJ_SUGGESTED_LABEL, "Suggested Label" },
177 { RSVP_OBJ_PROPERTIES, "Properties" },
178 { RSVP_OBJ_FASTREROUTE, "Fast Re-Route" },
179 { RSVP_OBJ_SESSION_ATTRIBUTE, "Session Attribute" },
180 { RSVP_OBJ_CALL_ID, "Call-ID" },
181 { RSVP_OBJ_CALL_OPS, "Call Capability" },
182 { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" },
183 { RSVP_OBJ_NOTIFY_REQ, "Notify Request" },
184 { RSVP_OBJ_PROTECTION, "Protection" },
185 { RSVP_OBJ_ADMIN_STATUS, "Administrative Status" },
186 { 0, NULL}
187 };
188
189 #define RSVP_CTYPE_IPV4 1
190 #define RSVP_CTYPE_IPV6 2
191 #define RSVP_CTYPE_TUNNEL_IPV4 7
192 #define RSVP_CTYPE_TUNNEL_IPV6 8
193 #define RSVP_CTYPE_1 1
194 #define RSVP_CTYPE_2 2
195 #define RSVP_CTYPE_3 3
196 #define RSVP_CTYPE_4 4
197
198 /*
199 * the ctypes are not globally unique so for
200 * translating it to strings we build a table based
201 * on objects offsetted by the ctype
202 */
203
204 static const struct tok rsvp_ctype_values[] = {
205 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV4, "IPv4" },
206 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV6, "IPv6" },
207 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
208 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
209 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV4, "IPv4" },
210 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV6, "IPv6" },
211 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV4, "IPv4" },
212 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV6, "IPv6" },
213 { 256*RSVP_OBJ_TIME_VALUES+RSVP_CTYPE_1, "1" },
214 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_1, "obsolete" },
215 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_2, "IntServ" },
216 { 256*RSVP_OBJ_SENDER_TSPEC+RSVP_CTYPE_2, "IntServ" },
217 { 256*RSVP_OBJ_ADSPEC+RSVP_CTYPE_2, "IntServ" },
218 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV4, "IPv4" },
219 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6, "IPv6" },
220 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3, "IPv6 Flow-label" },
221 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
222 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4, "IPv4" },
223 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6, "IPv6" },
224 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
225 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV4, "IPv4" },
226 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6, "IPv6" },
227 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
228 { 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1, "1" },
229 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1, "Hello Request" },
230 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2, "Hello Ack" },
231 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1, "without label range" },
232 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2, "with ATM label range" },
233 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3, "with FR label range" },
234 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4, "generalized" },
235 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1, "Label" },
236 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_2, "Generalized Label" },
237 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
238 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1, "Label" },
239 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_2, "Generalized Label" },
240 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
241 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1, "Label" },
242 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_2, "Generalized Label" },
243 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
244 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_1, "Label" },
245 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_2, "Generalized Label" },
246 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
247 { 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4, "IPv4" },
248 { 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4, "IPv4" },
249 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4, "IPv4" },
250 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6, "IPv6" },
251 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
252 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
253 { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1, "IPv4" },
254 { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
255 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
256 { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
257 { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1, "1" },
258 { 0, NULL}
259 };
260
261 #define RSVP_OBJ_XRO_MASK_SUBOBJ(x) ((x)&0x7f)
262 #define RSVP_OBJ_XRO_MASK_LOOSE(x) ((x)&0x80)
263
264 #define RSVP_OBJ_XRO_RES 0
265 #define RSVP_OBJ_XRO_IPV4 1
266 #define RSVP_OBJ_XRO_IPV6 2
267 #define RSVP_OBJ_XRO_ASN 32
268 #define RSVP_OBJ_XRO_MPLS 64
269
270 static const struct tok rsvp_obj_xro_values[] = {
271 { RSVP_OBJ_XRO_RES, "Reserved" },
272 { RSVP_OBJ_XRO_IPV4, "IPv4 prefix" },
273 { RSVP_OBJ_XRO_IPV6, "IPv6 prefix" },
274 { RSVP_OBJ_XRO_ASN, "Autonomous system number" },
275 { RSVP_OBJ_XRO_MPLS, "MPLS label switched path termination" },
276 { 0, NULL}
277 };
278
279 /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
280 static const struct tok rsvp_obj_rro_flag_values[] = {
281 { 0x01, "Local protection available" },
282 { 0x02, "Local protection in use" },
283 { 0x04, "Bandwidth protection" },
284 { 0x08, "Node protection" },
285 { 0, NULL}
286 };
287
288 static const struct tok rsvp_resstyle_values[] = {
289 { 17, "Wildcard Filter" },
290 { 10, "Fixed Filter" },
291 { 18, "Shared Explicit" },
292 { 0, NULL}
293 };
294
295 #define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2
296 #define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5
297
298 static const struct tok rsvp_intserv_service_type_values[] = {
299 { 1, "Default/Global Information" },
300 { RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" },
301 { RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" },
302 { 0, NULL}
303 };
304
305 static const struct tok rsvp_intserv_parameter_id_values[] = {
306 { 4, "IS hop cnt" },
307 { 6, "Path b/w estimate" },
308 { 8, "Minimum path latency" },
309 { 10, "Composed MTU" },
310 { 127, "Token Bucket TSpec" },
311 { 130, "Guaranteed Service RSpec" },
312 { 133, "End-to-end composed value for C" },
313 { 134, "End-to-end composed value for D" },
314 { 135, "Since-last-reshaping point composed C" },
315 { 136, "Since-last-reshaping point composed D" },
316 { 0, NULL}
317 };
318
319 static struct tok rsvp_session_attribute_flag_values[] = {
320 { 0x01, "Local Protection desired" },
321 { 0x02, "Label Recording desired" },
322 { 0x04, "SE Style desired" },
323 { 0x08, "Bandwidth protection desired" }, /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
324 { 0x10, "Node protection desired" }, /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
325 { 0, NULL}
326 };
327
328 static struct tok rsvp_obj_prop_tlv_values[] = {
329 { 0x01, "Cos" },
330 { 0x02, "Metric 1" },
331 { 0x04, "Metric 2" },
332 { 0x08, "CCC Status" },
333 { 0x10, "Path Type" },
334 { 0, NULL}
335 };
336
337 #define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24
338 #define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY 25
339
340 static struct tok rsvp_obj_error_code_values[] = {
341 { RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" },
342 { RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY, "Notify Error" },
343 { 0, NULL}
344 };
345
346 static struct tok rsvp_obj_error_code_routing_values[] = {
347 { 1, "Bad EXPLICIT_ROUTE object" },
348 { 2, "Bad strict node" },
349 { 3, "Bad loose node" },
350 { 4, "Bad initial subobject" },
351 { 5, "No route available toward destination" },
352 { 6, "Unacceptable label value" },
353 { 7, "RRO indicated routing loops" },
354 { 8, "non-RSVP-capable router in the path" },
355 { 9, "MPLS label allocation failure" },
356 { 10, "Unsupported L3PID" },
357 { 0, NULL}
358 };
359
360 #define FALSE 0
361 #define TRUE 1
362
363
364 int rsvp_intserv_print(const u_char *);
365
366 /*
367 * this is a dissector for all the intserv defined
368 * specs as defined per rfc2215
369 * it is called from various rsvp objects;
370 * returns the amount of bytes being processed
371 */
372 int
373 rsvp_intserv_print(const u_char *tptr) {
374
375 int parameter_id,parameter_length;
376 union {
377 float f;
378 u_int32_t i;
379 } bw;
380
381 parameter_id = *(tptr);
382 parameter_length = EXTRACT_16BITS(tptr+2)<<2; /* convert wordcount to bytecount */
383
384 printf("\n\t Parameter ID: %s (%u), length: %u, Flags: [0x%02x]",
385 tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id),
386 parameter_id,
387 parameter_length,
388 *(tptr+1));
389
390 switch(parameter_id) { /* parameter_id */
391
392 case 4:
393 /*
394 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
395 * | 4 (e) | (f) | 1 (g) |
396 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
397 * | IS hop cnt (32-bit unsigned integer) |
398 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
399 */
400 printf("\n\t\tIS hop cnt: %u", EXTRACT_32BITS(tptr+4));
401 break;
402
403 case 6:
404 /*
405 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
406 * | 6 (h) | (i) | 1 (j) |
407 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
408 * | Path b/w estimate (32-bit IEEE floating point number) |
409 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
410 */
411 bw.i = EXTRACT_32BITS(tptr+4);
412 printf("\n\t\tPath b/w estimate: %.10g Mbps", bw.f/125000);
413 break;
414
415 case 8:
416 /*
417 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
418 * | 8 (k) | (l) | 1 (m) |
419 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
420 * | Minimum path latency (32-bit integer) |
421 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
422 */
423 printf("\n\t\tMinimum path latency: ");
424 if (EXTRACT_32BITS(tptr+4) == 0xffffffff)
425 printf("don't care");
426 else
427 printf("%u", EXTRACT_32BITS(tptr+4));
428 break;
429
430 case 10:
431
432 /*
433 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
434 * | 10 (n) | (o) | 1 (p) |
435 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
436 * | Composed MTU (32-bit unsigned integer) |
437 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
438 */
439 printf("\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr+4));
440 break;
441 case 127:
442 /*
443 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
444 * | 127 (e) | 0 (f) | 5 (g) |
445 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
446 * | Token Bucket Rate [r] (32-bit IEEE floating point number) |
447 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
448 * | Token Bucket Size [b] (32-bit IEEE floating point number) |
449 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
450 * | Peak Data Rate [p] (32-bit IEEE floating point number) |
451 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
452 * | Minimum Policed Unit [m] (32-bit integer) |
453 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
454 * | Maximum Packet Size [M] (32-bit integer) |
455 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
456 */
457
458 bw.i = EXTRACT_32BITS(tptr+4);
459 printf("\n\t\tToken Bucket Rate: %.10g Mbps", bw.f/125000);
460 bw.i = EXTRACT_32BITS(tptr+8);
461 printf("\n\t\tToken Bucket Size: %.10g bytes", bw.f);
462 bw.i = EXTRACT_32BITS(tptr+12);
463 printf("\n\t\tPeak Data Rate: %.10g Mbps", bw.f/125000);
464 printf("\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr+16));
465 printf("\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr+20));
466 break;
467
468 case 130:
469 /*
470 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
471 * | 130 (h) | 0 (i) | 2 (j) |
472 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
473 * | Rate [R] (32-bit IEEE floating point number) |
474 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
475 * | Slack Term [S] (32-bit integer) |
476 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
477 */
478
479 bw.i = EXTRACT_32BITS(tptr+4);
480 printf("\n\t\tRate: %.10g Mbps", bw.f/125000);
481 printf("\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr+8));
482 break;
483
484 case 133:
485 case 134:
486 case 135:
487 case 136:
488 printf("\n\t\tValue: %u", EXTRACT_32BITS(tptr+4));
489 break;
490
491 default:
492 if (vflag <= 1)
493 print_unknown_data(tptr+4,"\n\t\t",parameter_length);
494 }
495 return (parameter_length+4); /* header length 4 bytes */
496 }
497
498 void
499 rsvp_print(register const u_char *pptr, register u_int len) {
500
501 const struct rsvp_common_header *rsvp_com_header;
502 const struct rsvp_object_header *rsvp_obj_header;
503 const u_char *tptr,*obj_tptr;
504 u_short tlen,rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen;
505 int hexdump,processed,padbytes,error_code,error_value;
506 union {
507 float f;
508 u_int32_t i;
509 } bw;
510
511 tptr=pptr;
512 rsvp_com_header = (const struct rsvp_common_header *)pptr;
513 TCHECK(*rsvp_com_header);
514
515 /*
516 * Sanity checking of the header.
517 */
518 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
519 printf("RSVP version %u packet not supported",
520 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags));
521 return;
522 }
523
524 /* in non-verbose mode just lets print the basic Message Type*/
525 if (vflag < 1) {
526 printf("RSVP %s Message, length: %u",
527 tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
528 len);
529 return;
530 }
531
532 /* ok they seem to want to know everything - lets fully decode it */
533
534 tlen=EXTRACT_16BITS(rsvp_com_header->length);
535
536 printf("RSVP\n\tv: %u, msg-type: %s, length: %u, ttl: %u, checksum: 0x%04x",
537 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
538 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
539 tlen,
540 rsvp_com_header->ttl,
541 EXTRACT_16BITS(rsvp_com_header->checksum));
542
543 tptr+=sizeof(const struct rsvp_common_header);
544 tlen-=sizeof(const struct rsvp_common_header);
545
546 while(tlen>0) {
547 /* did we capture enough for fully decoding the object header ? */
548 if (!TTEST2(*tptr, sizeof(struct rsvp_object_header)))
549 goto trunc;
550
551 rsvp_obj_header = (const struct rsvp_object_header *)tptr;
552 rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length);
553 rsvp_obj_ctype=rsvp_obj_header->ctype;
554
555 if(rsvp_obj_len % 4 || rsvp_obj_len < 4)
556 return;
557
558 printf("\n\t %s Object (%u) Flags: [%s",
559 tok2str(rsvp_obj_values,
560 "Unknown",
561 rsvp_obj_header->class_num),
562 rsvp_obj_header->class_num,
563 ((rsvp_obj_header->class_num)&0x80) ? "ignore" : "reject");
564
565 if (rsvp_obj_header->class_num > 128)
566 printf(" %s",
567 ((rsvp_obj_header->class_num)&0x40) ? "and forward" : "silently");
568
569 printf(" if unknown], Class-Type: %s (%u), length: %u",
570 tok2str(rsvp_ctype_values,
571 "Unknown",
572 ((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype),
573 rsvp_obj_ctype,
574 rsvp_obj_len);
575
576 obj_tptr=tptr+sizeof(struct rsvp_object_header);
577 obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
578
579 /* did we capture enough for fully decoding the object ? */
580 if (!TTEST2(*tptr, rsvp_obj_len))
581 goto trunc;
582 hexdump=FALSE;
583
584 switch(rsvp_obj_header->class_num) {
585 case RSVP_OBJ_SESSION:
586 switch(rsvp_obj_ctype) {
587 case RSVP_CTYPE_IPV4:
588 printf("\n\t IPv4 DestAddress: %s, Protocol ID: 0x%02x",
589 ipaddr_string(obj_tptr),
590 *(obj_tptr+4));
591 printf("\n\t Flags: [0x%02x], DestPort %u",
592 *(obj_tptr+5),
593 EXTRACT_16BITS(obj_tptr+6));
594 obj_tlen-=8;
595 obj_tptr+=8;
596 break;
597 #ifdef INET6
598 case RSVP_CTYPE_IPV6:
599 printf("\n\t IPv6 DestAddress: %s, Protocol ID: 0x%02x",
600 ip6addr_string(obj_tptr),
601 *(obj_tptr+16));
602 printf("\n\t Flags: [0x%02x], DestPort %u",
603 *(obj_tptr+17),
604 EXTRACT_16BITS(obj_tptr+18));
605 obj_tlen-=20;
606 obj_tptr+=20;
607 break;
608
609 case RSVP_CTYPE_TUNNEL_IPV6:
610 printf("\n\t IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
611 ip6addr_string(obj_tptr),
612 EXTRACT_16BITS(obj_tptr+18),
613 ip6addr_string(obj_tptr+20));
614 obj_tlen-=36;
615 obj_tptr+=36;
616 break;
617 #endif
618 case RSVP_CTYPE_TUNNEL_IPV4:
619 printf("\n\t IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
620 ipaddr_string(obj_tptr),
621 EXTRACT_16BITS(obj_tptr+6),
622 ipaddr_string(obj_tptr+8));
623 obj_tlen-=12;
624 obj_tptr+=12;
625 break;
626 default:
627 hexdump=TRUE;
628 }
629 break;
630
631 case RSVP_OBJ_CONFIRM:
632 switch(rsvp_obj_ctype) {
633 case RSVP_CTYPE_IPV4:
634 printf("\n\t IPv4 Receiver Address %s",
635 ipaddr_string(obj_tptr));
636 obj_tlen-=4;
637 obj_tptr+=4;
638 break;
639 #ifdef INET6
640 case RSVP_CTYPE_IPV6:
641 printf("\n\t IPv6 Receiver Address %s",
642 ip6addr_string(obj_tptr));
643 obj_tlen-=16;
644 obj_tptr+=16;
645 break;
646 #endif
647 default:
648 hexdump=TRUE;
649 }
650 break;
651
652 case RSVP_OBJ_NOTIFY_REQ:
653 switch(rsvp_obj_ctype) {
654 case RSVP_CTYPE_IPV4:
655 printf("\n\t IPv4 Notify Node Address %s",
656 ipaddr_string(obj_tptr));
657 obj_tlen-=4;
658 obj_tptr+=4;
659 break;
660 #ifdef INET6
661 case RSVP_CTYPE_IPV6:
662 printf("\n\t IPv6 Notify Node Address %s",
663 ip6addr_string(obj_tptr));
664 obj_tlen-=16;
665 obj_tptr+=16;
666 break;
667 #endif
668 default:
669 hexdump=TRUE;
670 }
671 break;
672
673 case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
674 case RSVP_OBJ_UPSTREAM_LABEL: /* fall through */
675 case RSVP_OBJ_RECOVERY_LABEL: /* fall through */
676 case RSVP_OBJ_LABEL:
677 switch(rsvp_obj_ctype) {
678 case RSVP_CTYPE_1:
679 while(obj_tlen >= 4 ) {
680 printf("\n\t Label %u", EXTRACT_32BITS(obj_tptr));
681 obj_tlen-=4;
682 obj_tptr+=4;
683 }
684 break;
685 case RSVP_CTYPE_2:
686 printf("\n\t Generalized Label %u",
687 EXTRACT_32BITS(obj_tptr));
688 obj_tlen-=4;
689 obj_tptr+=4;
690 break;
691 case RSVP_CTYPE_3:
692 printf("\n\t Waveband ID %u\n\t Start Label %u, Stop Label %u",
693 EXTRACT_32BITS(obj_tptr),
694 EXTRACT_32BITS(obj_tptr+4),
695 EXTRACT_32BITS(obj_tptr+8));
696 obj_tlen-=12;
697 obj_tptr+=12;
698 break;
699 default:
700 hexdump=TRUE;
701 }
702 break;
703
704 case RSVP_OBJ_STYLE:
705 switch(rsvp_obj_ctype) {
706 case RSVP_CTYPE_1:
707 printf("\n\t Reservation Style: %s, Flags: [0x%02x]",
708 tok2str(rsvp_resstyle_values,
709 "Unknown",
710 EXTRACT_24BITS(obj_tptr+1)),
711 *(obj_tptr));
712 obj_tlen-=4;
713 obj_tptr+=4;
714 break;
715 default:
716 hexdump=TRUE;
717 }
718 break;
719
720 case RSVP_OBJ_SENDER_TEMPLATE:
721 switch(rsvp_obj_ctype) {
722 case RSVP_CTYPE_IPV4:
723 printf("\n\t Source Address: %s, Source Port: %u",
724 ipaddr_string(obj_tptr),
725 EXTRACT_16BITS(obj_tptr+6));
726 obj_tlen-=8;
727 obj_tptr+=8;
728 break;
729 #ifdef INET6
730 case RSVP_CTYPE_IPV6:
731 printf("\n\t Source Address: %s, Source Port: %u",
732 ip6addr_string(obj_tptr),
733 EXTRACT_16BITS(obj_tptr+18));
734 obj_tlen-=20;
735 obj_tptr+=20;
736 break;
737 #endif
738 case RSVP_CTYPE_TUNNEL_IPV4:
739 printf("\n\t IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
740 ipaddr_string(obj_tptr),
741 EXTRACT_16BITS(obj_tptr+6));
742 obj_tlen-=8;
743 obj_tptr+=8;
744 break;
745 default:
746 hexdump=TRUE;
747 }
748 break;
749
750 case RSVP_OBJ_LABEL_REQ:
751 switch(rsvp_obj_ctype) {
752 case RSVP_CTYPE_1:
753 while(obj_tlen >= 4 ) {
754 printf("\n\t L3 Protocol ID %s",
755 tok2str(ethertype_values,
756 "Unknown Protocol (0x%04x)",
757 EXTRACT_16BITS(obj_tptr+2)));
758 obj_tlen-=4;
759 obj_tptr+=4;
760 }
761 break;
762 case RSVP_CTYPE_2:
763 printf("\n\t L3 Protocol ID %s",
764 tok2str(ethertype_values,
765 "Unknown Protocol (0x%04x)",
766 EXTRACT_16BITS(obj_tptr+2)));
767 printf(",%s merge capability",((*(obj_tptr+4))&0x80) ? "no" : "" );
768 printf("\n\t Minimum VPI/VCI %u/%u",
769 (EXTRACT_16BITS(obj_tptr+4))&0xfff,
770 (EXTRACT_16BITS(obj_tptr+6))&0xfff);
771 printf("\n\t Maximum VPI/VCI %u/%u",
772 (EXTRACT_16BITS(obj_tptr+8))&0xfff,
773 (EXTRACT_16BITS(obj_tptr+10))&0xfff);
774 obj_tlen-=12;
775 obj_tptr+=12;
776 break;
777 case RSVP_CTYPE_3:
778 printf("\n\t L3 Protocol ID %s",
779 tok2str(ethertype_values,
780 "Unknown Protocol (0x%04x)",
781 EXTRACT_16BITS(obj_tptr+2)));
782 printf("\n\t Minimum/Maximum DLCI %u/%u, %s%s bit DLCI",
783 (EXTRACT_32BITS(obj_tptr+4))&0x7fffff,
784 (EXTRACT_32BITS(obj_tptr+8))&0x7fffff,
785 (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "",
786 (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 2 ) ? "23" : "");
787 obj_tlen-=12;
788 obj_tptr+=12;
789 break;
790 case RSVP_CTYPE_4:
791 printf("\n\t LSP Encoding Type %s",
792 tok2str(gmpls_encoding_values,
793 "Unknown (0x%02x)",
794 *obj_tptr));
795 printf("\n\t Switching Type %s, Payload ID %s",
796 tok2str(gmpls_switch_cap_values,
797 "Unknown (0x%02x)",
798 *(obj_tptr+1)),
799 tok2str(gmpls_payload_values,
800 "Unknown (0x%04x)",
801 EXTRACT_16BITS(obj_tptr+2)));
802 obj_tlen-=8;
803 obj_tptr+=8;
804 break;
805 default:
806 hexdump=TRUE;
807 }
808 break;
809
810 case RSVP_OBJ_RRO:
811 case RSVP_OBJ_ERO:
812 switch(rsvp_obj_ctype) {
813 case RSVP_CTYPE_IPV4:
814 while(obj_tlen >= 4 ) {
815 printf("\n\t Subobject Type: %s",
816 tok2str(rsvp_obj_xro_values,
817 "Unknown %u",
818 RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)));
819 switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) {
820 case RSVP_OBJ_XRO_IPV4:
821 printf(", %s, %s/%u, Flags: [%s]",
822 RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
823 ipaddr_string(obj_tptr+2),
824 *(obj_tptr+6),
825 bittok2str(rsvp_obj_rro_flag_values,
826 "none",
827 *(obj_tptr+7))); /* rfc3209 says that this field is rsvd. */
828 }
829 obj_tlen-=*(obj_tptr+1);
830 obj_tptr+=*(obj_tptr+1);
831 }
832 break;
833 default:
834 hexdump=TRUE;
835 }
836 break;
837
838 case RSVP_OBJ_HELLO:
839 switch(rsvp_obj_ctype) {
840 case RSVP_CTYPE_1:
841 case RSVP_CTYPE_2:
842 printf("\n\t Source Instance 0x%08x, Destination Instance 0x%08x",
843 EXTRACT_32BITS(obj_tptr),
844 EXTRACT_32BITS(obj_tptr+4));
845 obj_tlen-=8;
846 obj_tptr+=8;
847 break;
848 default:
849 hexdump=TRUE;
850 }
851 break;
852
853 case RSVP_OBJ_RESTART_CAPABILITY:
854 switch(rsvp_obj_ctype) {
855 case RSVP_CTYPE_1:
856 printf("\n\t Restart Time: %ums\n\t Recovery Time: %ums",
857 EXTRACT_16BITS(obj_tptr),
858 EXTRACT_16BITS(obj_tptr+4));
859 break;
860 default:
861 hexdump=TRUE;
862 }
863 break;
864
865 case RSVP_OBJ_SESSION_ATTRIBUTE:
866 switch(rsvp_obj_ctype) {
867 case RSVP_CTYPE_TUNNEL_IPV4:
868 printf("\n\t Session Name: %s",(obj_tptr+4));
869 printf("\n\t Setup Priority: %u, Holding Priority: %u, Flags: [%s]",
870 (int)*obj_tptr,
871 (int)*(obj_tptr+1),
872 tok2str(rsvp_session_attribute_flag_values,
873 "none",
874 *(obj_tptr+2)));
875
876 obj_tlen-=4+*(obj_tptr+3);
877 obj_tptr+=4+*(obj_tptr+3);
878 break;
879 default:
880 hexdump=TRUE;
881 }
882 break;
883
884 case RSVP_OBJ_RSVP_HOP:
885 switch(rsvp_obj_ctype) {
886 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
887 case RSVP_CTYPE_IPV4:
888 printf("\n\t Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
889 ipaddr_string(obj_tptr),
890 EXTRACT_32BITS(obj_tptr+4));
891 obj_tlen-=8;
892 obj_tptr+=8;
893 break;
894 #ifdef INET6
895 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
896 case RSVP_CTYPE_IPV6:
897 printf("\n\t Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
898 ip6addr_string(obj_tptr),
899 EXTRACT_32BITS(obj_tptr+16));
900 obj_tlen-=20;
901 obj_tptr+=20;
902 break;
903 #endif
904 default:
905 hexdump=TRUE;
906 }
907 break;
908
909 case RSVP_OBJ_TIME_VALUES:
910 switch(rsvp_obj_ctype) {
911 case RSVP_CTYPE_1:
912 printf("\n\t Refresh Period: %ums",
913 EXTRACT_32BITS(obj_tptr));
914 obj_tlen-=4;
915 obj_tptr+=4;
916 break;
917 default:
918 hexdump=TRUE;
919 }
920 break;
921
922 /* those three objects do share the same semantics */
923 case RSVP_OBJ_SENDER_TSPEC:
924 case RSVP_OBJ_ADSPEC:
925 case RSVP_OBJ_FLOWSPEC:
926 switch(rsvp_obj_ctype) {
927 case RSVP_CTYPE_2:
928 printf("\n\t Msg-Version: %u, length: %u",
929 (*obj_tptr & 0xf0) >> 4,
930 EXTRACT_16BITS(obj_tptr+2)<<2);
931 obj_tptr+=4; /* get to the start of the service header */
932 obj_tlen-=4;
933
934 while (obj_tlen >= 4) {
935 intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
936 printf("\n\t Service Type: %s (%u), break bit %s set, Service length: %u",
937 tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)),
938 *(obj_tptr),
939 (*(obj_tptr+1)&0x80) ? "" : "not",
940 intserv_serv_tlen);
941
942 obj_tptr+=4; /* get to the start of the parameter list */
943 obj_tlen-=4;
944
945 while (intserv_serv_tlen>=4) {
946 processed = rsvp_intserv_print(obj_tptr);
947 if (processed == 0)
948 break;
949 obj_tlen-=processed;
950 intserv_serv_tlen-=processed;
951 obj_tptr+=processed;
952 }
953 }
954 break;
955 default:
956 hexdump=TRUE;
957 }
958 break;
959
960 case RSVP_OBJ_FILTERSPEC:
961 switch(rsvp_obj_ctype) {
962 case RSVP_CTYPE_IPV4:
963 printf("\n\t Source Address: %s, Source Port: %u",
964 ipaddr_string(obj_tptr),
965 EXTRACT_16BITS(obj_tptr+6));
966 obj_tlen-=8;
967 obj_tptr+=8;
968 break;
969 #ifdef INET6
970 case RSVP_CTYPE_IPV6:
971 printf("\n\t Source Address: %s, Source Port: %u",
972 ip6addr_string(obj_tptr),
973 EXTRACT_16BITS(obj_tptr+18));
974 obj_tlen-=20;
975 obj_tptr+=20;
976 break;
977 case RSVP_CTYPE_3:
978 printf("\n\t Source Address: %s, Flow Label: %u",
979 ip6addr_string(obj_tptr),
980 EXTRACT_24BITS(obj_tptr+17));
981 obj_tlen-=20;
982 obj_tptr+=20;
983 break;
984 case RSVP_CTYPE_TUNNEL_IPV6:
985 printf("\n\t Source Address: %s, LSP-ID: 0x%04x",
986 ipaddr_string(obj_tptr),
987 EXTRACT_16BITS(obj_tptr+18));
988 obj_tlen-=20;
989 obj_tptr+=20;
990 break;
991 #endif
992 case RSVP_CTYPE_TUNNEL_IPV4:
993 printf("\n\t Source Address: %s, LSP-ID: 0x%04x",
994 ipaddr_string(obj_tptr),
995 EXTRACT_16BITS(obj_tptr+6));
996 obj_tlen-=8;
997 obj_tptr+=8;
998 break;
999 default:
1000 hexdump=TRUE;
1001 }
1002 break;
1003
1004 case RSVP_OBJ_FASTREROUTE:
1005 switch(rsvp_obj_ctype) {
1006 case RSVP_CTYPE_TUNNEL_IPV4:
1007 bw.i = EXTRACT_32BITS(obj_tptr+4);
1008 printf("\n\t Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1009 (int)*obj_tptr,
1010 (int)*(obj_tptr+1),
1011 (int)*(obj_tptr+2),
1012 bw.f*8/1000000);
1013 printf("\n\t Include Colors: 0x%08x, Exclude Colors: 0x%08x",
1014 EXTRACT_32BITS(obj_tptr+8),
1015 EXTRACT_32BITS(obj_tptr+12));
1016 obj_tlen-=16;
1017 obj_tptr+=16;
1018 break;
1019 default:
1020 hexdump=TRUE;
1021 }
1022 break;
1023
1024 case RSVP_OBJ_DETOUR:
1025 switch(rsvp_obj_ctype) {
1026 case RSVP_CTYPE_TUNNEL_IPV4:
1027 while(obj_tlen >= 8) {
1028 printf("\n\t PLR-ID: %s, Avoid-Node-ID: %s",
1029 ipaddr_string(obj_tptr),
1030 ipaddr_string(obj_tptr+4));
1031 obj_tlen-=8;
1032 obj_tptr+=8;
1033 }
1034 break;
1035 default:
1036 hexdump=TRUE;
1037 }
1038 break;
1039
1040 case RSVP_OBJ_ERROR_SPEC:
1041 switch(rsvp_obj_ctype) {
1042 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1043 case RSVP_CTYPE_IPV4:
1044 error_code=*(obj_tptr+5);
1045 error_value=EXTRACT_16BITS(obj_tptr+6);
1046 printf("\n\t Error Node Adress: %s, Flags: [0x%02x]\n\t Error Code: %s (%u)",
1047 ipaddr_string(obj_tptr),
1048 *(obj_tptr+4),
1049 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1050 error_code);
1051 switch (error_code) {
1052 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1053 printf(", Error Value: %s (%u)",
1054 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1055 error_value);
1056 break;
1057 default:
1058 printf(", Unknown Error Value (%u)", error_value);
1059 break;
1060 }
1061 break;
1062 #ifdef INET6
1063 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1064 case RSVP_CTYPE_IPV6:
1065 error_code=*(obj_tptr+17);
1066 error_value=EXTRACT_16BITS(obj_tptr+18);
1067 printf("\n\t Error Node Adress: %s, Flags: [0x%02x]\n\t Error Code: %s (%u)",
1068 ip6addr_string(obj_tptr),
1069 *(obj_tptr+16),
1070 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1071 error_code);
1072
1073 switch (error_code) {
1074 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1075 printf(", Error Value: %s (%u)",
1076 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1077 error_value);
1078 break;
1079 default:
1080 break;
1081 }
1082
1083 break;
1084 #endif
1085 default:
1086 hexdump=TRUE;
1087 }
1088 break;
1089
1090 case RSVP_OBJ_PROPERTIES:
1091 switch(rsvp_obj_ctype) {
1092 case RSVP_CTYPE_1:
1093 padbytes = EXTRACT_16BITS(obj_tptr+2);
1094 printf("\n\t TLV count: %u, padding bytes: %u",
1095 EXTRACT_16BITS(obj_tptr),
1096 padbytes);
1097 obj_tlen-=4;
1098 obj_tptr+=4;
1099 /* loop through as long there is anything longer than the TLV header (2) */
1100 while(obj_tlen >= 2 + padbytes) {
1101 printf("\n\t %s TLV (0x%02x), length: %u", /* length includes header */
1102 tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
1103 *obj_tptr,
1104 *(obj_tptr+1));
1105 print_unknown_data(obj_tptr+2,"\n\t\t",*(obj_tptr+1)-2);
1106 obj_tlen-=*(obj_tptr+1);
1107 obj_tptr+=*(obj_tptr+1);
1108 }
1109 break;
1110 default:
1111 hexdump=TRUE;
1112 }
1113 break;
1114
1115 /*
1116 * FIXME those are the defined objects that lack a decoder
1117 * you are welcome to contribute code ;-)
1118 */
1119
1120 case RSVP_OBJ_INTEGRITY:
1121 case RSVP_OBJ_SCOPE:
1122 case RSVP_OBJ_POLICY_DATA:
1123 case RSVP_OBJ_MESSAGE_ID:
1124 case RSVP_OBJ_MESSAGE_ID_ACK:
1125 case RSVP_OBJ_MESSAGE_ID_LIST:
1126 case RSVP_OBJ_LABEL_SET:
1127 case RSVP_OBJ_ACCEPT_LABEL_SET:
1128 case RSVP_OBJ_PROTECTION:
1129 default:
1130 if (vflag <= 1)
1131 print_unknown_data(obj_tptr,"\n\t ",obj_tlen);
1132 break;
1133 }
1134 /* do we want to see an additionally hexdump ? */
1135 if (vflag > 1 || hexdump==TRUE)
1136 print_unknown_data(tptr+sizeof(sizeof(struct rsvp_object_header)),"\n\t ",
1137 rsvp_obj_len-sizeof(struct rsvp_object_header));
1138
1139 tptr+=rsvp_obj_len;
1140 tlen-=rsvp_obj_len;
1141 }
1142 return;
1143 trunc:
1144 printf("\n\t\t packet exceeded snapshot");
1145 }
[mirror] the TCPdump network dissector