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Add bounds checks.
[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 1.24.2.2 2003-11-16 08:51:42 guy 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 int rsvp_intserv_print(const u_char *);
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 int
379 rsvp_intserv_print(const u_char *tptr) {
380
381 int parameter_id,parameter_length;
382 union {
383 float f;
384 u_int32_t i;
385 } bw;
386
387 parameter_id = *(tptr);
388 parameter_length = EXTRACT_16BITS(tptr+2)<<2; /* convert wordcount to bytecount */
389
390 printf("\n\t Parameter ID: %s (%u), length: %u, Flags: [0x%02x]",
391 tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id),
392 parameter_id,
393 parameter_length,
394 *(tptr+1));
395
396 switch(parameter_id) { /* parameter_id */
397
398 case 4:
399 /*
400 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
401 * | 4 (e) | (f) | 1 (g) |
402 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
403 * | IS hop cnt (32-bit unsigned integer) |
404 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
405 */
406 printf("\n\t\tIS hop count: %u", EXTRACT_32BITS(tptr+4));
407 break;
408
409 case 6:
410 /*
411 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
412 * | 6 (h) | (i) | 1 (j) |
413 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
414 * | Path b/w estimate (32-bit IEEE floating point number) |
415 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
416 */
417 bw.i = EXTRACT_32BITS(tptr+4);
418 printf("\n\t\tPath b/w estimate: %.10g Mbps", bw.f/125000);
419 break;
420
421 case 8:
422 /*
423 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
424 * | 8 (k) | (l) | 1 (m) |
425 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
426 * | Minimum path latency (32-bit integer) |
427 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
428 */
429 printf("\n\t\tMinimum path latency: ");
430 if (EXTRACT_32BITS(tptr+4) == 0xffffffff)
431 printf("don't care");
432 else
433 printf("%u", EXTRACT_32BITS(tptr+4));
434 break;
435
436 case 10:
437
438 /*
439 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
440 * | 10 (n) | (o) | 1 (p) |
441 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
442 * | Composed MTU (32-bit unsigned integer) |
443 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
444 */
445 printf("\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr+4));
446 break;
447 case 127:
448 /*
449 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
450 * | 127 (e) | 0 (f) | 5 (g) |
451 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
452 * | Token Bucket Rate [r] (32-bit IEEE floating point number) |
453 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
454 * | Token Bucket Size [b] (32-bit IEEE floating point number) |
455 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
456 * | Peak Data Rate [p] (32-bit IEEE floating point number) |
457 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
458 * | Minimum Policed Unit [m] (32-bit integer) |
459 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
460 * | Maximum Packet Size [M] (32-bit integer) |
461 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
462 */
463
464 bw.i = EXTRACT_32BITS(tptr+4);
465 printf("\n\t\tToken Bucket Rate: %.10g Mbps", bw.f/125000);
466 bw.i = EXTRACT_32BITS(tptr+8);
467 printf("\n\t\tToken Bucket Size: %.10g bytes", bw.f);
468 bw.i = EXTRACT_32BITS(tptr+12);
469 printf("\n\t\tPeak Data Rate: %.10g Mbps", bw.f/125000);
470 printf("\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr+16));
471 printf("\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr+20));
472 break;
473
474 case 130:
475 /*
476 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
477 * | 130 (h) | 0 (i) | 2 (j) |
478 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
479 * | Rate [R] (32-bit IEEE floating point number) |
480 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
481 * | Slack Term [S] (32-bit integer) |
482 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
483 */
484
485 bw.i = EXTRACT_32BITS(tptr+4);
486 printf("\n\t\tRate: %.10g Mbps", bw.f/125000);
487 printf("\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr+8));
488 break;
489
490 case 133:
491 case 134:
492 case 135:
493 case 136:
494 printf("\n\t\tValue: %u", EXTRACT_32BITS(tptr+4));
495 break;
496
497 default:
498 if (vflag <= 1)
499 print_unknown_data(tptr+4,"\n\t\t",parameter_length);
500 }
501 return (parameter_length+4); /* header length 4 bytes */
502 }
503
504 void
505 rsvp_print(register const u_char *pptr, register u_int len) {
506
507 const struct rsvp_common_header *rsvp_com_header;
508 const struct rsvp_object_header *rsvp_obj_header;
509 const u_char *tptr,*obj_tptr;
510 u_short tlen,rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen;
511 int hexdump,processed,padbytes,error_code,error_value;
512 union {
513 float f;
514 u_int32_t i;
515 } bw;
516
517 tptr=pptr;
518 rsvp_com_header = (const struct rsvp_common_header *)pptr;
519 TCHECK(*rsvp_com_header);
520
521 /*
522 * Sanity checking of the header.
523 */
524 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
525 printf("RSVP version %u packet not supported",
526 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags));
527 return;
528 }
529
530 /* in non-verbose mode just lets print the basic Message Type*/
531 if (vflag < 1) {
532 printf("RSVP %s Message, length: %u",
533 tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
534 len);
535 return;
536 }
537
538 /* ok they seem to want to know everything - lets fully decode it */
539
540 tlen=EXTRACT_16BITS(rsvp_com_header->length);
541
542 printf("RSVP\n\tv: %u, msg-type: %s, Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
543 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
544 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
545 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
546 tlen,
547 rsvp_com_header->ttl,
548 EXTRACT_16BITS(rsvp_com_header->checksum));
549
550 tptr+=sizeof(const struct rsvp_common_header);
551 tlen-=sizeof(const struct rsvp_common_header);
552
553 while(tlen>0) {
554 /* did we capture enough for fully decoding the object header ? */
555 if (!TTEST2(*tptr, sizeof(struct rsvp_object_header)))
556 goto trunc;
557
558 rsvp_obj_header = (const struct rsvp_object_header *)tptr;
559 rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length);
560 rsvp_obj_ctype=rsvp_obj_header->ctype;
561
562 if(rsvp_obj_len % 4 || rsvp_obj_len < 4)
563 return;
564
565 printf("\n\t %s Object (%u) Flags: [%s",
566 tok2str(rsvp_obj_values,
567 "Unknown",
568 rsvp_obj_header->class_num),
569 rsvp_obj_header->class_num,
570 ((rsvp_obj_header->class_num)&0x80) ? "ignore" : "reject");
571
572 if (rsvp_obj_header->class_num > 128)
573 printf(" %s",
574 ((rsvp_obj_header->class_num)&0x40) ? "and forward" : "silently");
575
576 printf(" if unknown], Class-Type: %s (%u), length: %u",
577 tok2str(rsvp_ctype_values,
578 "Unknown",
579 ((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype),
580 rsvp_obj_ctype,
581 rsvp_obj_len);
582
583 obj_tptr=tptr+sizeof(struct rsvp_object_header);
584 obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
585
586 /* did we capture enough for fully decoding the object ? */
587 if (!TTEST2(*tptr, rsvp_obj_len))
588 goto trunc;
589 hexdump=FALSE;
590
591 switch(rsvp_obj_header->class_num) {
592 case RSVP_OBJ_SESSION:
593 switch(rsvp_obj_ctype) {
594 case RSVP_CTYPE_IPV4:
595 printf("\n\t IPv4 DestAddress: %s, Protocol ID: 0x%02x",
596 ipaddr_string(obj_tptr),
597 *(obj_tptr+4));
598 printf("\n\t Flags: [0x%02x], DestPort %u",
599 *(obj_tptr+5),
600 EXTRACT_16BITS(obj_tptr+6));
601 obj_tlen-=8;
602 obj_tptr+=8;
603 break;
604 #ifdef INET6
605 case RSVP_CTYPE_IPV6:
606 printf("\n\t IPv6 DestAddress: %s, Protocol ID: 0x%02x",
607 ip6addr_string(obj_tptr),
608 *(obj_tptr+16));
609 printf("\n\t Flags: [0x%02x], DestPort %u",
610 *(obj_tptr+17),
611 EXTRACT_16BITS(obj_tptr+18));
612 obj_tlen-=20;
613 obj_tptr+=20;
614 break;
615
616 case RSVP_CTYPE_TUNNEL_IPV6:
617 printf("\n\t IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
618 ip6addr_string(obj_tptr),
619 EXTRACT_16BITS(obj_tptr+18),
620 ip6addr_string(obj_tptr+20));
621 obj_tlen-=36;
622 obj_tptr+=36;
623 break;
624 #endif
625 case RSVP_CTYPE_TUNNEL_IPV4:
626 printf("\n\t IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
627 ipaddr_string(obj_tptr),
628 EXTRACT_16BITS(obj_tptr+6),
629 ipaddr_string(obj_tptr+8));
630 obj_tlen-=12;
631 obj_tptr+=12;
632 break;
633 default:
634 hexdump=TRUE;
635 }
636 break;
637
638 case RSVP_OBJ_CONFIRM:
639 switch(rsvp_obj_ctype) {
640 case RSVP_CTYPE_IPV4:
641 printf("\n\t IPv4 Receiver Address: %s",
642 ipaddr_string(obj_tptr));
643 obj_tlen-=4;
644 obj_tptr+=4;
645 break;
646 #ifdef INET6
647 case RSVP_CTYPE_IPV6:
648 printf("\n\t IPv6 Receiver Address: %s",
649 ip6addr_string(obj_tptr));
650 obj_tlen-=16;
651 obj_tptr+=16;
652 break;
653 #endif
654 default:
655 hexdump=TRUE;
656 }
657 break;
658
659 case RSVP_OBJ_NOTIFY_REQ:
660 switch(rsvp_obj_ctype) {
661 case RSVP_CTYPE_IPV4:
662 printf("\n\t IPv4 Notify Node Address: %s",
663 ipaddr_string(obj_tptr));
664 obj_tlen-=4;
665 obj_tptr+=4;
666 break;
667 #ifdef INET6
668 case RSVP_CTYPE_IPV6:
669 printf("\n\t IPv6 Notify Node Address: %s",
670 ip6addr_string(obj_tptr));
671 obj_tlen-=16;
672 obj_tptr+=16;
673 break;
674 #endif
675 default:
676 hexdump=TRUE;
677 }
678 break;
679
680 case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
681 case RSVP_OBJ_UPSTREAM_LABEL: /* fall through */
682 case RSVP_OBJ_RECOVERY_LABEL: /* fall through */
683 case RSVP_OBJ_LABEL:
684 switch(rsvp_obj_ctype) {
685 case RSVP_CTYPE_1:
686 while(obj_tlen >= 4 ) {
687 printf("\n\t Label: %u", EXTRACT_32BITS(obj_tptr));
688 obj_tlen-=4;
689 obj_tptr+=4;
690 }
691 break;
692 case RSVP_CTYPE_2:
693 printf("\n\t Generalized Label: %u",
694 EXTRACT_32BITS(obj_tptr));
695 obj_tlen-=4;
696 obj_tptr+=4;
697 break;
698 case RSVP_CTYPE_3:
699 printf("\n\t Waveband ID: %u\n\t Start Label: %u, Stop Label: %u",
700 EXTRACT_32BITS(obj_tptr),
701 EXTRACT_32BITS(obj_tptr+4),
702 EXTRACT_32BITS(obj_tptr+8));
703 obj_tlen-=12;
704 obj_tptr+=12;
705 break;
706 default:
707 hexdump=TRUE;
708 }
709 break;
710
711 case RSVP_OBJ_STYLE:
712 switch(rsvp_obj_ctype) {
713 case RSVP_CTYPE_1:
714 printf("\n\t Reservation Style: %s, Flags: [0x%02x]",
715 tok2str(rsvp_resstyle_values,
716 "Unknown",
717 EXTRACT_24BITS(obj_tptr+1)),
718 *(obj_tptr));
719 obj_tlen-=4;
720 obj_tptr+=4;
721 break;
722 default:
723 hexdump=TRUE;
724 }
725 break;
726
727 case RSVP_OBJ_SENDER_TEMPLATE:
728 switch(rsvp_obj_ctype) {
729 case RSVP_CTYPE_IPV4:
730 printf("\n\t Source Address: %s, Source Port: %u",
731 ipaddr_string(obj_tptr),
732 EXTRACT_16BITS(obj_tptr+6));
733 obj_tlen-=8;
734 obj_tptr+=8;
735 break;
736 #ifdef INET6
737 case RSVP_CTYPE_IPV6:
738 printf("\n\t Source Address: %s, Source Port: %u",
739 ip6addr_string(obj_tptr),
740 EXTRACT_16BITS(obj_tptr+18));
741 obj_tlen-=20;
742 obj_tptr+=20;
743 break;
744 #endif
745 case RSVP_CTYPE_TUNNEL_IPV4:
746 printf("\n\t IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
747 ipaddr_string(obj_tptr),
748 EXTRACT_16BITS(obj_tptr+6));
749 obj_tlen-=8;
750 obj_tptr+=8;
751 break;
752 default:
753 hexdump=TRUE;
754 }
755 break;
756
757 case RSVP_OBJ_LABEL_REQ:
758 switch(rsvp_obj_ctype) {
759 case RSVP_CTYPE_1:
760 while(obj_tlen >= 4 ) {
761 printf("\n\t L3 Protocol ID: %s",
762 tok2str(ethertype_values,
763 "Unknown Protocol (0x%04x)",
764 EXTRACT_16BITS(obj_tptr+2)));
765 obj_tlen-=4;
766 obj_tptr+=4;
767 }
768 break;
769 case RSVP_CTYPE_2:
770 printf("\n\t L3 Protocol ID: %s",
771 tok2str(ethertype_values,
772 "Unknown Protocol (0x%04x)",
773 EXTRACT_16BITS(obj_tptr+2)));
774 printf(",%s merge capability",((*(obj_tptr+4))&0x80) ? "no" : "" );
775 printf("\n\t Minimum VPI/VCI: %u/%u",
776 (EXTRACT_16BITS(obj_tptr+4))&0xfff,
777 (EXTRACT_16BITS(obj_tptr+6))&0xfff);
778 printf("\n\t Maximum VPI/VCI: %u/%u",
779 (EXTRACT_16BITS(obj_tptr+8))&0xfff,
780 (EXTRACT_16BITS(obj_tptr+10))&0xfff);
781 obj_tlen-=12;
782 obj_tptr+=12;
783 break;
784 case RSVP_CTYPE_3:
785 printf("\n\t L3 Protocol ID: %s",
786 tok2str(ethertype_values,
787 "Unknown Protocol (0x%04x)",
788 EXTRACT_16BITS(obj_tptr+2)));
789 printf("\n\t Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI",
790 (EXTRACT_32BITS(obj_tptr+4))&0x7fffff,
791 (EXTRACT_32BITS(obj_tptr+8))&0x7fffff,
792 (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "",
793 (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 2 ) ? "23" : "");
794 obj_tlen-=12;
795 obj_tptr+=12;
796 break;
797 case RSVP_CTYPE_4:
798 printf("\n\t LSP Encoding Type: %s (%u)",
799 tok2str(gmpls_encoding_values,
800 "Unknown",
801 *obj_tptr),
802 *obj_tptr);
803 printf("\n\t Switching Type: %s (%u), Payload ID: %s (0x%04x)",
804 tok2str(gmpls_switch_cap_values,
805 "Unknown",
806 *(obj_tptr+1)),
807 *(obj_tptr+1),
808 tok2str(gmpls_payload_values,
809 "Unknown",
810 EXTRACT_16BITS(obj_tptr+2)),
811 EXTRACT_16BITS(obj_tptr+2));
812 obj_tlen-=8;
813 obj_tptr+=8;
814 break;
815 default:
816 hexdump=TRUE;
817 }
818 break;
819
820 case RSVP_OBJ_RRO:
821 case RSVP_OBJ_ERO:
822 switch(rsvp_obj_ctype) {
823 case RSVP_CTYPE_IPV4:
824 while(obj_tlen >= 4 ) {
825 printf("\n\t Subobject Type: %s",
826 tok2str(rsvp_obj_xro_values,
827 "Unknown %u",
828 RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)));
829 switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) {
830 case RSVP_OBJ_XRO_IPV4:
831 printf(", %s, %s/%u, Flags: [%s]",
832 RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
833 ipaddr_string(obj_tptr+2),
834 *(obj_tptr+6),
835 bittok2str(rsvp_obj_rro_flag_values,
836 "none",
837 *(obj_tptr+7))); /* rfc3209 says that this field is rsvd. */
838 }
839 obj_tlen-=*(obj_tptr+1);
840 obj_tptr+=*(obj_tptr+1);
841 }
842 break;
843 default:
844 hexdump=TRUE;
845 }
846 break;
847
848 case RSVP_OBJ_HELLO:
849 switch(rsvp_obj_ctype) {
850 case RSVP_CTYPE_1:
851 case RSVP_CTYPE_2:
852 printf("\n\t Source Instance: 0x%08x, Destination Instance: 0x%08x",
853 EXTRACT_32BITS(obj_tptr),
854 EXTRACT_32BITS(obj_tptr+4));
855 obj_tlen-=8;
856 obj_tptr+=8;
857 break;
858 default:
859 hexdump=TRUE;
860 }
861 break;
862
863 case RSVP_OBJ_RESTART_CAPABILITY:
864 switch(rsvp_obj_ctype) {
865 case RSVP_CTYPE_1:
866 printf("\n\t Restart Time: %ums, Recovery Time: %ums",
867 EXTRACT_16BITS(obj_tptr),
868 EXTRACT_16BITS(obj_tptr+4));
869 break;
870 default:
871 hexdump=TRUE;
872 }
873 break;
874
875 case RSVP_OBJ_SESSION_ATTRIBUTE:
876 switch(rsvp_obj_ctype) {
877 case RSVP_CTYPE_TUNNEL_IPV4:
878 printf("\n\t Session Name: %s",(obj_tptr+4));
879 printf("\n\t Setup Priority: %u, Holding Priority: %u, Flags: [%s]",
880 (int)*obj_tptr,
881 (int)*(obj_tptr+1),
882 tok2str(rsvp_session_attribute_flag_values,
883 "none",
884 *(obj_tptr+2)));
885
886 obj_tlen-=4+*(obj_tptr+3);
887 obj_tptr+=4+*(obj_tptr+3);
888 break;
889 default:
890 hexdump=TRUE;
891 }
892 break;
893
894 case RSVP_OBJ_RSVP_HOP:
895 switch(rsvp_obj_ctype) {
896 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
897 case RSVP_CTYPE_IPV4:
898 printf("\n\t Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
899 ipaddr_string(obj_tptr),
900 EXTRACT_32BITS(obj_tptr+4));
901 obj_tlen-=8;
902 obj_tptr+=8;
903 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
904 break;
905 #ifdef INET6
906 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
907 case RSVP_CTYPE_IPV6:
908 printf("\n\t Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
909 ip6addr_string(obj_tptr),
910 EXTRACT_32BITS(obj_tptr+16));
911 obj_tlen-=20;
912 obj_tptr+=20;
913 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
914 break;
915 #endif
916 default:
917 hexdump=TRUE;
918 }
919 break;
920
921 case RSVP_OBJ_TIME_VALUES:
922 switch(rsvp_obj_ctype) {
923 case RSVP_CTYPE_1:
924 printf("\n\t Refresh Period: %ums",
925 EXTRACT_32BITS(obj_tptr));
926 obj_tlen-=4;
927 obj_tptr+=4;
928 break;
929 default:
930 hexdump=TRUE;
931 }
932 break;
933
934 /* those three objects do share the same semantics */
935 case RSVP_OBJ_SENDER_TSPEC:
936 case RSVP_OBJ_ADSPEC:
937 case RSVP_OBJ_FLOWSPEC:
938 switch(rsvp_obj_ctype) {
939 case RSVP_CTYPE_2:
940 printf("\n\t Msg-Version: %u, length: %u",
941 (*obj_tptr & 0xf0) >> 4,
942 EXTRACT_16BITS(obj_tptr+2)<<2);
943 obj_tptr+=4; /* get to the start of the service header */
944 obj_tlen-=4;
945
946 while (obj_tlen >= 4) {
947 intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
948 printf("\n\t Service Type: %s (%u), break bit %s set, Service length: %u",
949 tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)),
950 *(obj_tptr),
951 (*(obj_tptr+1)&0x80) ? "" : "not",
952 intserv_serv_tlen);
953
954 obj_tptr+=4; /* get to the start of the parameter list */
955 obj_tlen-=4;
956
957 while (intserv_serv_tlen>=4) {
958 processed = rsvp_intserv_print(obj_tptr);
959 if (processed == 0)
960 break;
961 obj_tlen-=processed;
962 intserv_serv_tlen-=processed;
963 obj_tptr+=processed;
964 }
965 }
966 break;
967 default:
968 hexdump=TRUE;
969 }
970 break;
971
972 case RSVP_OBJ_FILTERSPEC:
973 switch(rsvp_obj_ctype) {
974 case RSVP_CTYPE_IPV4:
975 printf("\n\t Source Address: %s, Source Port: %u",
976 ipaddr_string(obj_tptr),
977 EXTRACT_16BITS(obj_tptr+6));
978 obj_tlen-=8;
979 obj_tptr+=8;
980 break;
981 #ifdef INET6
982 case RSVP_CTYPE_IPV6:
983 printf("\n\t Source Address: %s, Source Port: %u",
984 ip6addr_string(obj_tptr),
985 EXTRACT_16BITS(obj_tptr+18));
986 obj_tlen-=20;
987 obj_tptr+=20;
988 break;
989 case RSVP_CTYPE_3:
990 printf("\n\t Source Address: %s, Flow Label: %u",
991 ip6addr_string(obj_tptr),
992 EXTRACT_24BITS(obj_tptr+17));
993 obj_tlen-=20;
994 obj_tptr+=20;
995 break;
996 case RSVP_CTYPE_TUNNEL_IPV6:
997 printf("\n\t Source Address: %s, LSP-ID: 0x%04x",
998 ipaddr_string(obj_tptr),
999 EXTRACT_16BITS(obj_tptr+18));
1000 obj_tlen-=20;
1001 obj_tptr+=20;
1002 break;
1003 #endif
1004 case RSVP_CTYPE_TUNNEL_IPV4:
1005 printf("\n\t Source Address: %s, LSP-ID: 0x%04x",
1006 ipaddr_string(obj_tptr),
1007 EXTRACT_16BITS(obj_tptr+6));
1008 obj_tlen-=8;
1009 obj_tptr+=8;
1010 break;
1011 default:
1012 hexdump=TRUE;
1013 }
1014 break;
1015
1016 case RSVP_OBJ_FASTREROUTE:
1017 switch(rsvp_obj_ctype) {
1018 case RSVP_CTYPE_TUNNEL_IPV4:
1019 bw.i = EXTRACT_32BITS(obj_tptr+4);
1020 printf("\n\t Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1021 (int)*obj_tptr,
1022 (int)*(obj_tptr+1),
1023 (int)*(obj_tptr+2),
1024 bw.f*8/1000000);
1025 printf("\n\t Include Colors: 0x%08x, Exclude Colors: 0x%08x",
1026 EXTRACT_32BITS(obj_tptr+8),
1027 EXTRACT_32BITS(obj_tptr+12));
1028 obj_tlen-=16;
1029 obj_tptr+=16;
1030 break;
1031 default:
1032 hexdump=TRUE;
1033 }
1034 break;
1035
1036 case RSVP_OBJ_DETOUR:
1037 switch(rsvp_obj_ctype) {
1038 case RSVP_CTYPE_TUNNEL_IPV4:
1039 while(obj_tlen >= 8) {
1040 printf("\n\t PLR-ID: %s, Avoid-Node-ID: %s",
1041 ipaddr_string(obj_tptr),
1042 ipaddr_string(obj_tptr+4));
1043 obj_tlen-=8;
1044 obj_tptr+=8;
1045 }
1046 break;
1047 default:
1048 hexdump=TRUE;
1049 }
1050 break;
1051
1052 case RSVP_OBJ_ERROR_SPEC:
1053 switch(rsvp_obj_ctype) {
1054 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1055 case RSVP_CTYPE_IPV4:
1056 error_code=*(obj_tptr+5);
1057 error_value=EXTRACT_16BITS(obj_tptr+6);
1058 printf("\n\t Error Node Adress: %s, Flags: [0x%02x]\n\t Error Code: %s (%u)",
1059 ipaddr_string(obj_tptr),
1060 *(obj_tptr+4),
1061 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1062 error_code);
1063 switch (error_code) {
1064 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1065 printf(", Error Value: %s (%u)",
1066 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1067 error_value);
1068 break;
1069 default:
1070 printf(", Unknown Error Value (%u)", error_value);
1071 break;
1072 }
1073 break;
1074 #ifdef INET6
1075 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1076 case RSVP_CTYPE_IPV6:
1077 error_code=*(obj_tptr+17);
1078 error_value=EXTRACT_16BITS(obj_tptr+18);
1079 printf("\n\t Error Node Adress: %s, Flags: [0x%02x]\n\t Error Code: %s (%u)",
1080 ip6addr_string(obj_tptr),
1081 *(obj_tptr+16),
1082 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1083 error_code);
1084
1085 switch (error_code) {
1086 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1087 printf(", Error Value: %s (%u)",
1088 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1089 error_value);
1090 break;
1091 default:
1092 break;
1093 }
1094
1095 break;
1096 #endif
1097 default:
1098 hexdump=TRUE;
1099 }
1100 break;
1101
1102 case RSVP_OBJ_PROPERTIES:
1103 switch(rsvp_obj_ctype) {
1104 case RSVP_CTYPE_1:
1105 padbytes = EXTRACT_16BITS(obj_tptr+2);
1106 printf("\n\t TLV count: %u, padding bytes: %u",
1107 EXTRACT_16BITS(obj_tptr),
1108 padbytes);
1109 obj_tlen-=4;
1110 obj_tptr+=4;
1111 /* loop through as long there is anything longer than the TLV header (2) */
1112 while(obj_tlen >= 2 + padbytes) {
1113 printf("\n\t %s TLV (0x%02x), length: %u", /* length includes header */
1114 tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
1115 *obj_tptr,
1116 *(obj_tptr+1));
1117 print_unknown_data(obj_tptr+2,"\n\t\t",*(obj_tptr+1)-2);
1118 obj_tlen-=*(obj_tptr+1);
1119 obj_tptr+=*(obj_tptr+1);
1120 }
1121 break;
1122 default:
1123 hexdump=TRUE;
1124 }
1125 break;
1126
1127 /*
1128 * FIXME those are the defined objects that lack a decoder
1129 * you are welcome to contribute code ;-)
1130 */
1131
1132 case RSVP_OBJ_INTEGRITY:
1133 case RSVP_OBJ_SCOPE:
1134 case RSVP_OBJ_POLICY_DATA:
1135 case RSVP_OBJ_MESSAGE_ID:
1136 case RSVP_OBJ_MESSAGE_ID_ACK:
1137 case RSVP_OBJ_MESSAGE_ID_LIST:
1138 case RSVP_OBJ_LABEL_SET:
1139 case RSVP_OBJ_ACCEPT_LABEL_SET:
1140 case RSVP_OBJ_PROTECTION:
1141 default:
1142 if (vflag <= 1)
1143 print_unknown_data(obj_tptr,"\n\t ",obj_tlen);
1144 break;
1145 }
1146 /* do we want to see an additionally hexdump ? */
1147 if (vflag > 1 || hexdump==TRUE)
1148 print_unknown_data(tptr+sizeof(sizeof(struct rsvp_object_header)),"\n\t ",
1149 rsvp_obj_len-sizeof(struct rsvp_object_header));
1150
1151 tptr+=rsvp_obj_len;
1152 tlen-=rsvp_obj_len;
1153 }
1154 return;
1155 trunc:
1156 printf("\n\t\t packet exceeded snapshot");
1157 }
[mirror] the TCPdump network dissector