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nrelease - fix/improve livecd
[dragonfly.git] / contrib / tcpdump / print-rsvp.c
CommitLineData
c8cf0f94 1/*
66170f0a 2 * Copyright (c) 1998-2007 The TCPDUMP project
c8cf0f94
PA		 3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that: (1) source code
6 * distributions retain the above copyright notice and this paragraph
7 * in its entirety, and (2) distributions including binary code include
8 * the above copyright notice and this paragraph in its entirety in
9 * the documentation or other materials provided with the distribution.
10 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
11 * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
12 * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
13 * FOR A PARTICULAR PURPOSE.
14 *
411677ae 15 * Original code by Hannes Gredler (hannes@gredler.at)
c8cf0f94
PA		 16 */
17
411677ae 18/* \summary: Resource ReSerVation Protocol (RSVP) printer */
c8cf0f94 19
ed775ee7
AHJ		 20/* specification: RFC 2205 */
21
c8cf0f94 22#ifdef HAVE_CONFIG_H
ed775ee7 23#include <config.h>
c8cf0f94
PA		 24#endif
25
ed775ee7 26#include "netdissect-stdinc.h"
c8cf0f94 27
411677ae 28#include "netdissect.h"
c8cf0f94
PA		 29#include "extract.h"
30#include "addrtoname.h"
31#include "ethertype.h"
32#include "gmpls.h"
66170f0a 33#include "af.h"
27bfbee1 34#include "signature.h"
c8cf0f94 35
411677ae 36
c8cf0f94
PA		 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
49struct rsvp_common_header {
ed775ee7
AHJ		 50 nd_uint8_t version_flags;
51 nd_uint8_t msg_type;
52 nd_uint16_t checksum;
53 nd_uint8_t ttl;
54 nd_byte reserved[1];
55 nd_uint16_t length;
c8cf0f94
PA		 56};
57
411677ae 58/*
c8cf0f94
PA		 59 * RFC2205 object header
60 *
411677ae 61 *
c8cf0f94
PA		 62 * 0 1 2 3
63 * +-------------+-------------+-------------+-------------+
64 * | Length (bytes) | Class-Num | C-Type |
65 * +-------------+-------------+-------------+-------------+
66 * | |
67 * // (Object contents) //
68 * | |
69 * +-------------+-------------+-------------+-------------+
70 */
71
72struct rsvp_object_header {
ed775ee7
AHJ		 73 nd_uint16_t length;
74 nd_uint8_t class_num;
75 nd_uint8_t ctype;
c8cf0f94
PA		 76};
77
78#define RSVP_VERSION 1
411677ae 79#define RSVP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
c8cf0f94
PA		 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
411677ae 89#define RSVP_MSGTYPE_BUNDLE 12
c8cf0f94
PA		 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
95static 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" },
411677ae 103 { RSVP_MSGTYPE_BUNDLE, "Bundle" },
c8cf0f94
PA		 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
111static const struct tok rsvp_header_flag_values[] = {
112 { 0x01, "Refresh reduction capable" }, /* rfc2961 */
113 { 0, NULL}
114};
115
ed775ee7
AHJ		 116static const struct tok rsvp_obj_capability_flag_values[] = {
117 { 0x0004, "RecoveryPath Transmit Enabled" },
118 { 0x0002, "RecoveryPath Desired" },
119 { 0x0001, "RecoveryPath Srefresh Capable" },
120 { 0, NULL}
121};
122
c8cf0f94
PA		 123#define RSVP_OBJ_SESSION 1 /* rfc2205 */
124#define RSVP_OBJ_RSVP_HOP 3 /* rfc2205, rfc3473 */
125#define RSVP_OBJ_INTEGRITY 4 /* rfc2747 */
126#define RSVP_OBJ_TIME_VALUES 5 /* rfc2205 */
411677ae 127#define RSVP_OBJ_ERROR_SPEC 6
c8cf0f94
PA		 128#define RSVP_OBJ_SCOPE 7
129#define RSVP_OBJ_STYLE 8 /* rfc2205 */
130#define RSVP_OBJ_FLOWSPEC 9 /* rfc2215 */
131#define RSVP_OBJ_FILTERSPEC 10 /* rfc2215 */
132#define RSVP_OBJ_SENDER_TEMPLATE 11
133#define RSVP_OBJ_SENDER_TSPEC 12 /* rfc2215 */
134#define RSVP_OBJ_ADSPEC 13 /* rfc2215 */
135#define RSVP_OBJ_POLICY_DATA 14
136#define RSVP_OBJ_CONFIRM 15 /* rfc2205 */
137#define RSVP_OBJ_LABEL 16 /* rfc3209 */
138#define RSVP_OBJ_LABEL_REQ 19 /* rfc3209 */
139#define RSVP_OBJ_ERO 20 /* rfc3209 */
140#define RSVP_OBJ_RRO 21 /* rfc3209 */
141#define RSVP_OBJ_HELLO 22 /* rfc3209 */
66170f0a
PA		 142#define RSVP_OBJ_MESSAGE_ID 23 /* rfc2961 */
143#define RSVP_OBJ_MESSAGE_ID_ACK 24 /* rfc2961 */
144#define RSVP_OBJ_MESSAGE_ID_LIST 25 /* rfc2961 */
c8cf0f94
PA		 145#define RSVP_OBJ_RECOVERY_LABEL 34 /* rfc3473 */
146#define RSVP_OBJ_UPSTREAM_LABEL 35 /* rfc3473 */
147#define RSVP_OBJ_LABEL_SET 36 /* rfc3473 */
148#define RSVP_OBJ_PROTECTION 37 /* rfc3473 */
27bfbee1 149#define RSVP_OBJ_S2L 50 /* rfc4875 */
ed775ee7 150#define RSVP_OBJ_DETOUR 63 /* rfc4090 */
c8cf0f94
PA		 151#define RSVP_OBJ_CLASSTYPE 66 /* rfc4124 */
152#define RSVP_OBJ_CLASSTYPE_OLD 125 /* draft-ietf-tewg-diff-te-proto-07 */
153#define RSVP_OBJ_SUGGESTED_LABEL 129 /* rfc3473 */
154#define RSVP_OBJ_ACCEPT_LABEL_SET 130 /* rfc3473 */
155#define RSVP_OBJ_RESTART_CAPABILITY 131 /* rfc3473 */
ed775ee7 156#define RSVP_OBJ_CAPABILITY 134 /* rfc5063 */
c8cf0f94
PA		 157#define RSVP_OBJ_NOTIFY_REQ 195 /* rfc3473 */
158#define RSVP_OBJ_ADMIN_STATUS 196 /* rfc3473 */
159#define RSVP_OBJ_PROPERTIES 204 /* juniper proprietary */
ed775ee7 160#define RSVP_OBJ_FASTREROUTE 205 /* rfc4090 */
c8cf0f94 161#define RSVP_OBJ_SESSION_ATTRIBUTE 207 /* rfc3209 */
66170f0a 162#define RSVP_OBJ_GENERALIZED_UNI 229 /* OIF RSVP extensions UNI 1.0 Signaling, Rel. 2 */
c8cf0f94
PA		 163#define RSVP_OBJ_CALL_ID 230 /* rfc3474 */
164#define RSVP_OBJ_CALL_OPS 236 /* rfc3474 */
165
166static const struct tok rsvp_obj_values[] = {
167 { RSVP_OBJ_SESSION, "Session" },
168 { RSVP_OBJ_RSVP_HOP, "RSVP Hop" },
169 { RSVP_OBJ_INTEGRITY, "Integrity" },
170 { RSVP_OBJ_TIME_VALUES, "Time Values" },
171 { RSVP_OBJ_ERROR_SPEC, "Error Spec" },
172 { RSVP_OBJ_SCOPE, "Scope" },
173 { RSVP_OBJ_STYLE, "Style" },
174 { RSVP_OBJ_FLOWSPEC, "Flowspec" },
175 { RSVP_OBJ_FILTERSPEC, "FilterSpec" },
176 { RSVP_OBJ_SENDER_TEMPLATE, "Sender Template" },
177 { RSVP_OBJ_SENDER_TSPEC, "Sender TSpec" },
178 { RSVP_OBJ_ADSPEC, "Adspec" },
179 { RSVP_OBJ_POLICY_DATA, "Policy Data" },
180 { RSVP_OBJ_CONFIRM, "Confirm" },
181 { RSVP_OBJ_LABEL, "Label" },
182 { RSVP_OBJ_LABEL_REQ, "Label Request" },
183 { RSVP_OBJ_ERO, "ERO" },
184 { RSVP_OBJ_RRO, "RRO" },
185 { RSVP_OBJ_HELLO, "Hello" },
186 { RSVP_OBJ_MESSAGE_ID, "Message ID" },
187 { RSVP_OBJ_MESSAGE_ID_ACK, "Message ID Ack" },
188 { RSVP_OBJ_MESSAGE_ID_LIST, "Message ID List" },
189 { RSVP_OBJ_RECOVERY_LABEL, "Recovery Label" },
190 { RSVP_OBJ_UPSTREAM_LABEL, "Upstream Label" },
191 { RSVP_OBJ_LABEL_SET, "Label Set" },
192 { RSVP_OBJ_ACCEPT_LABEL_SET, "Acceptable Label Set" },
193 { RSVP_OBJ_DETOUR, "Detour" },
194 { RSVP_OBJ_CLASSTYPE, "Class Type" },
195 { RSVP_OBJ_CLASSTYPE_OLD, "Class Type (old)" },
196 { RSVP_OBJ_SUGGESTED_LABEL, "Suggested Label" },
197 { RSVP_OBJ_PROPERTIES, "Properties" },
198 { RSVP_OBJ_FASTREROUTE, "Fast Re-Route" },
199 { RSVP_OBJ_SESSION_ATTRIBUTE, "Session Attribute" },
66170f0a 200 { RSVP_OBJ_GENERALIZED_UNI, "Generalized UNI" },
c8cf0f94
PA		 201 { RSVP_OBJ_CALL_ID, "Call-ID" },
202 { RSVP_OBJ_CALL_OPS, "Call Capability" },
203 { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" },
ed775ee7 204 { RSVP_OBJ_CAPABILITY, "Capability" },
c8cf0f94
PA		 205 { RSVP_OBJ_NOTIFY_REQ, "Notify Request" },
206 { RSVP_OBJ_PROTECTION, "Protection" },
207 { RSVP_OBJ_ADMIN_STATUS, "Administrative Status" },
27bfbee1 208 { RSVP_OBJ_S2L, "Sub-LSP to LSP" },
c8cf0f94
PA		 209 { 0, NULL}
210};
211
212#define RSVP_CTYPE_IPV4 1
213#define RSVP_CTYPE_IPV6 2
214#define RSVP_CTYPE_TUNNEL_IPV4 7
215#define RSVP_CTYPE_TUNNEL_IPV6 8
66170f0a 216#define RSVP_CTYPE_UNI_IPV4 11 /* OIF RSVP extensions UNI 1.0 Signaling Rel. 2 */
c8cf0f94
PA		 217#define RSVP_CTYPE_1 1
218#define RSVP_CTYPE_2 2
219#define RSVP_CTYPE_3 3
220#define RSVP_CTYPE_4 4
27bfbee1
PA		 221#define RSVP_CTYPE_12 12
222#define RSVP_CTYPE_13 13
223#define RSVP_CTYPE_14 14
c8cf0f94
PA		 224
225/*
226 * the ctypes are not globally unique so for
227 * translating it to strings we build a table based
228 * on objects offsetted by the ctype
229 */
230
231static const struct tok rsvp_ctype_values[] = {
232 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV4, "IPv4" },
233 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV6, "IPv6" },
234 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
235 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
236 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV4, "IPv4" },
237 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV6, "IPv6" },
238 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV4, "IPv4" },
239 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV6, "IPv6" },
240 { 256*RSVP_OBJ_TIME_VALUES+RSVP_CTYPE_1, "1" },
241 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_1, "obsolete" },
242 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_2, "IntServ" },
243 { 256*RSVP_OBJ_SENDER_TSPEC+RSVP_CTYPE_2, "IntServ" },
244 { 256*RSVP_OBJ_ADSPEC+RSVP_CTYPE_2, "IntServ" },
245 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV4, "IPv4" },
246 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6, "IPv6" },
247 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3, "IPv6 Flow-label" },
248 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
27bfbee1
PA		 249 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" },
250 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" },
c8cf0f94
PA		 251 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4, "IPv4" },
252 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6, "IPv6" },
253 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
66170f0a 254 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_UNI_IPV4, "UNI IPv4" },
27bfbee1
PA		 255 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_13, "IPv4 P2MP LSP Tunnel" },
256 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_14, "IPv6 P2MP LSP Tunnel" },
c8cf0f94
PA		 257 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV4, "IPv4" },
258 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6, "IPv6" },
259 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
27bfbee1
PA		 260 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" },
261 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" },
c8cf0f94 262 { 256*RSVP_OBJ_MESSAGE_ID+RSVP_CTYPE_1, "1" },
66170f0a
PA		 263 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_1, "Message id ack" },
264 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_2, "Message id nack" },
c8cf0f94
PA		 265 { 256*RSVP_OBJ_MESSAGE_ID_LIST+RSVP_CTYPE_1, "1" },
266 { 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1, "1" },
267 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1, "Hello Request" },
268 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2, "Hello Ack" },
269 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1, "without label range" },
270 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2, "with ATM label range" },
271 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3, "with FR label range" },
272 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4, "Generalized Label" },
273 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1, "Label" },
274 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_2, "Generalized Label" },
275 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
276 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1, "Label" },
277 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_2, "Generalized Label" },
278 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
279 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1, "Label" },
280 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_2, "Generalized Label" },
281 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
282 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_1, "Label" },
283 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_2, "Generalized Label" },
284 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
285 { 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4, "IPv4" },
286 { 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4, "IPv4" },
287 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4, "IPv4" },
288 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6, "IPv6" },
289 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
290 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
291 { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1, "IPv4" },
ed775ee7 292 { 256*RSVP_OBJ_CAPABILITY+RSVP_CTYPE_1, "1" },
c8cf0f94
PA		 293 { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
294 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, /* old style*/
295 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_1, "1" }, /* new style */
296 { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
297 { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1, "1" },
66170f0a 298 { 256*RSVP_OBJ_ADMIN_STATUS+RSVP_CTYPE_1, "1" },
c8cf0f94
PA		 299 { 256*RSVP_OBJ_CLASSTYPE+RSVP_CTYPE_1, "1" },
300 { 256*RSVP_OBJ_CLASSTYPE_OLD+RSVP_CTYPE_1, "1" },
66170f0a
PA		 301 { 256*RSVP_OBJ_LABEL_SET+RSVP_CTYPE_1, "1" },
302 { 256*RSVP_OBJ_GENERALIZED_UNI+RSVP_CTYPE_1, "1" },
27bfbee1
PA		 303 { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV4, "IPv4 sub-LSP" },
304 { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV6, "IPv6 sub-LSP" },
c8cf0f94
PA		 305 { 0, NULL}
306};
307
ed775ee7
AHJ		 308/*
309 * XXX - this assumes a 16-byte digest, which is true for HMAC-MD5, but
310 * isn't necessarily the case for other hash algorithms.
311 *
312 * Unless I've missed something, there's nothing in RFC 2747 to indicate
313 * the hash algorithm being used, so it's presumably something set up
314 * out-of-band, or negotiated by other RSVP objects.
315 */
c8cf0f94 316struct rsvp_obj_integrity_t {
411677ae
AL		 317 uint8_t flags;
318 uint8_t res;
319 uint8_t key_id[6];
320 uint8_t sequence[8];
321 uint8_t digest[16];
c8cf0f94
PA		 322};
323
324static const struct tok rsvp_obj_integrity_flag_values[] = {
325 { 0x80, "Handshake" },
326 { 0, NULL}
327};
328
329struct rsvp_obj_frr_t {
411677ae
AL		 330 uint8_t setup_prio;
331 uint8_t hold_prio;
332 uint8_t hop_limit;
333 uint8_t flags;
334 uint8_t bandwidth[4];
335 uint8_t include_any[4];
336 uint8_t exclude_any[4];
337 uint8_t include_all[4];
c8cf0f94
PA		 338};
339
340
341#define RSVP_OBJ_XRO_MASK_SUBOBJ(x) ((x)&0x7f)
342#define RSVP_OBJ_XRO_MASK_LOOSE(x) ((x)&0x80)
343
ed775ee7
AHJ		 344#define RSVP_OBJ_CAPABILITY_FLAGS_MASK 0x7U
345
c8cf0f94
PA		 346#define RSVP_OBJ_XRO_RES 0
347#define RSVP_OBJ_XRO_IPV4 1
348#define RSVP_OBJ_XRO_IPV6 2
27bfbee1 349#define RSVP_OBJ_XRO_LABEL 3
c8cf0f94
PA		 350#define RSVP_OBJ_XRO_ASN 32
351#define RSVP_OBJ_XRO_MPLS 64
352
353static const struct tok rsvp_obj_xro_values[] = {
354 { RSVP_OBJ_XRO_RES, "Reserved" },
355 { RSVP_OBJ_XRO_IPV4, "IPv4 prefix" },
356 { RSVP_OBJ_XRO_IPV6, "IPv6 prefix" },
27bfbee1 357 { RSVP_OBJ_XRO_LABEL, "Label" },
c8cf0f94
PA		 358 { RSVP_OBJ_XRO_ASN, "Autonomous system number" },
359 { RSVP_OBJ_XRO_MPLS, "MPLS label switched path termination" },
360 { 0, NULL}
361};
362
ed775ee7 363/* RFC4090 */
c8cf0f94
PA		 364static const struct tok rsvp_obj_rro_flag_values[] = {
365 { 0x01, "Local protection available" },
366 { 0x02, "Local protection in use" },
367 { 0x04, "Bandwidth protection" },
368 { 0x08, "Node protection" },
369 { 0, NULL}
370};
371
27bfbee1
PA		 372/* RFC3209 */
373static const struct tok rsvp_obj_rro_label_flag_values[] = {
374 { 0x01, "Global" },
375 { 0, NULL}
376};
377
c8cf0f94
PA		 378static const struct tok rsvp_resstyle_values[] = {
379 { 17, "Wildcard Filter" },
380 { 10, "Fixed Filter" },
381 { 18, "Shared Explicit" },
382 { 0, NULL}
383};
384
385#define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2
386#define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5
387
388static const struct tok rsvp_intserv_service_type_values[] = {
389 { 1, "Default/Global Information" },
390 { RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" },
391 { RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" },
392 { 0, NULL}
393};
394
395static const struct tok rsvp_intserv_parameter_id_values[] = {
396 { 4, "IS hop cnt" },
397 { 6, "Path b/w estimate" },
398 { 8, "Minimum path latency" },
399 { 10, "Composed MTU" },
400 { 127, "Token Bucket TSpec" },
401 { 130, "Guaranteed Service RSpec" },
402 { 133, "End-to-end composed value for C" },
403 { 134, "End-to-end composed value for D" },
404 { 135, "Since-last-reshaping point composed C" },
405 { 136, "Since-last-reshaping point composed D" },
406 { 0, NULL}
407};
408
411677ae 409static const struct tok rsvp_session_attribute_flag_values[] = {
27bfbee1
PA		 410 { 0x01, "Local Protection" },
411 { 0x02, "Label Recording" },
412 { 0x04, "SE Style" },
413 { 0x08, "Bandwidth protection" }, /* RFC4090 */
414 { 0x10, "Node protection" }, /* RFC4090 */
c8cf0f94
PA		 415 { 0, NULL}
416};
417
411677ae 418static const struct tok rsvp_obj_prop_tlv_values[] = {
c8cf0f94
PA		 419 { 0x01, "Cos" },
420 { 0x02, "Metric 1" },
421 { 0x04, "Metric 2" },
422 { 0x08, "CCC Status" },
423 { 0x10, "Path Type" },
424 { 0, NULL}
425};
426
427#define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24
428#define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY 25
429#define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 28
430#define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD 125
431
411677ae 432static const struct tok rsvp_obj_error_code_values[] = {
c8cf0f94
PA		 433 { RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" },
434 { RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY, "Notify Error" },
435 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE, "Diffserv TE Error" },
436 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD, "Diffserv TE Error (Old)" },
437 { 0, NULL}
438};
439
411677ae 440static const struct tok rsvp_obj_error_code_routing_values[] = {
c8cf0f94
PA		 441 { 1, "Bad EXPLICIT_ROUTE object" },
442 { 2, "Bad strict node" },
443 { 3, "Bad loose node" },
444 { 4, "Bad initial subobject" },
445 { 5, "No route available toward destination" },
446 { 6, "Unacceptable label value" },
447 { 7, "RRO indicated routing loops" },
448 { 8, "non-RSVP-capable router in the path" },
449 { 9, "MPLS label allocation failure" },
450 { 10, "Unsupported L3PID" },
451 { 0, NULL}
452};
453
411677ae 454static const struct tok rsvp_obj_error_code_diffserv_te_values[] = {
c8cf0f94
PA		 455 { 1, "Unexpected CT object" },
456 { 2, "Unsupported CT" },
457 { 3, "Invalid CT value" },
458 { 4, "CT/setup priority do not form a configured TE-Class" },
459 { 5, "CT/holding priority do not form a configured TE-Class" },
460 { 6, "CT/setup priority and CT/holding priority do not form a configured TE-Class" },
411677ae 461 { 7, "Inconsistency between signaled PSC and signaled CT" },
c8cf0f94
PA		 462 { 8, "Inconsistency between signaled PHBs and signaled CT" },
463 { 0, NULL}
464};
465
66170f0a
PA		 466/* rfc3473 / rfc 3471 */
467static const struct tok rsvp_obj_admin_status_flag_values[] = {
468 { 0x80000000, "Reflect" },
469 { 0x00000004, "Testing" },
470 { 0x00000002, "Admin-down" },
471 { 0x00000001, "Delete-in-progress" },
472 { 0, NULL}
473};
474
475/* label set actions - rfc3471 */
476#define LABEL_SET_INCLUSIVE_LIST 0
477#define LABEL_SET_EXCLUSIVE_LIST 1
478#define LABEL_SET_INCLUSIVE_RANGE 2
479#define LABEL_SET_EXCLUSIVE_RANGE 3
480
481static const struct tok rsvp_obj_label_set_action_values[] = {
482 { LABEL_SET_INCLUSIVE_LIST, "Inclusive list" },
483 { LABEL_SET_EXCLUSIVE_LIST, "Exclusive list" },
484 { LABEL_SET_INCLUSIVE_RANGE, "Inclusive range" },
485 { LABEL_SET_EXCLUSIVE_RANGE, "Exclusive range" },
486 { 0, NULL}
487};
488
489/* OIF RSVP extensions UNI 1.0 Signaling, release 2 */
490#define RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS 1
491#define RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS 2
492#define RSVP_GEN_UNI_SUBOBJ_DIVERSITY 3
493#define RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL 4
494#define RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL 5
495
496static const struct tok rsvp_obj_generalized_uni_values[] = {
497 { RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS, "Source TNA address" },
498 { RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS, "Destination TNA address" },
499 { RSVP_GEN_UNI_SUBOBJ_DIVERSITY, "Diversity" },
500 { RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL, "Egress label" },
501 { RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL, "Service level" },
502 { 0, NULL}
503};
504
411677ae 505/*
c8cf0f94
PA		 506 * this is a dissector for all the intserv defined
507 * specs as defined per rfc2215
508 * it is called from various rsvp objects;
509 * returns the amount of bytes being processed
510 */
ed775ee7 511static u_int
411677ae 512rsvp_intserv_print(netdissect_options *ndo,
ed775ee7 513 const u_char *tptr, u_int obj_tlen)
411677ae 514{
ed775ee7 515 u_int parameter_id,parameter_length;
c8cf0f94
PA		 516 union {
517 float f;
411677ae 518 uint32_t i;
c8cf0f94
PA		 519 } bw;
520
521 if (obj_tlen < 4)
522 return 0;
ed775ee7
AHJ		 523 parameter_id = GET_U_1(tptr);
524 parameter_length = GET_BE_U_2(tptr + 2)<<2; /* convert wordcount to bytecount */
c8cf0f94 525
ed775ee7 526 ND_PRINT("\n\t Parameter ID: %s (%u), length: %u, Flags: [0x%02x]",
c8cf0f94
PA		 527 tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id),
528 parameter_id,
529 parameter_length,
ed775ee7 530 GET_U_1(tptr + 1));
c8cf0f94
PA		 531
532 if (obj_tlen < parameter_length+4)
533 return 0;
534 switch(parameter_id) { /* parameter_id */
535
536 case 4:
537 /*
538 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
539 * | 4 (e) | (f) | 1 (g) |
540 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
541 * | IS hop cnt (32-bit unsigned integer) |
542 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
543 */
411677ae 544 if (parameter_length == 4) {
ed775ee7 545 ND_PRINT("\n\t\tIS hop count: %u", GET_BE_U_4(tptr + 4));
411677ae 546 }
c8cf0f94
PA		 547 break;
548
549 case 6:
550 /*
551 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
552 * | 6 (h) | (i) | 1 (j) |
553 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
554 * | Path b/w estimate (32-bit IEEE floating point number) |
555 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
556 */
557 if (parameter_length == 4) {
ed775ee7
AHJ		 558 bw.i = GET_BE_U_4(tptr + 4);
559 ND_PRINT("\n\t\tPath b/w estimate: %.10g Mbps", bw.f / 125000);
c8cf0f94
PA		 560 }
561 break;
562
563 case 8:
564 /*
565 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
566 * | 8 (k) | (l) | 1 (m) |
567 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
568 * | Minimum path latency (32-bit integer) |
569 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
570 */
571 if (parameter_length == 4) {
ed775ee7
AHJ		 572 ND_PRINT("\n\t\tMinimum path latency: ");
573 if (GET_BE_U_4(tptr + 4) == 0xffffffff)
574 ND_PRINT("don't care");
c8cf0f94 575 else
ed775ee7 576 ND_PRINT("%u", GET_BE_U_4(tptr + 4));
c8cf0f94
PA		 577 }
578 break;
579
580 case 10:
581
582 /*
583 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
584 * | 10 (n) | (o) | 1 (p) |
585 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
586 * | Composed MTU (32-bit unsigned integer) |
587 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
588 */
411677ae 589 if (parameter_length == 4) {
ed775ee7 590 ND_PRINT("\n\t\tComposed MTU: %u bytes", GET_BE_U_4(tptr + 4));
411677ae 591 }
c8cf0f94
PA		 592 break;
593 case 127:
411677ae 594 /*
c8cf0f94
PA		 595 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
596 * | 127 (e) | 0 (f) | 5 (g) |
597 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
598 * | Token Bucket Rate [r] (32-bit IEEE floating point number) |
599 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
600 * | Token Bucket Size [b] (32-bit IEEE floating point number) |
601 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
602 * | Peak Data Rate [p] (32-bit IEEE floating point number) |
603 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
604 * | Minimum Policed Unit [m] (32-bit integer) |
605 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
606 * | Maximum Packet Size [M] (32-bit integer) |
607 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
608 */
609
610 if (parameter_length == 20) {
ed775ee7
AHJ		 611 ND_TCHECK_LEN(tptr + 4, 20);
612 bw.i = GET_BE_U_4(tptr + 4);
613 ND_PRINT("\n\t\tToken Bucket Rate: %.10g Mbps", bw.f / 125000);
614 bw.i = GET_BE_U_4(tptr + 8);
615 ND_PRINT("\n\t\tToken Bucket Size: %.10g bytes", bw.f);
616 bw.i = GET_BE_U_4(tptr + 12);
617 ND_PRINT("\n\t\tPeak Data Rate: %.10g Mbps", bw.f / 125000);
618 ND_PRINT("\n\t\tMinimum Policed Unit: %u bytes",
619 GET_BE_U_4(tptr + 16));
620 ND_PRINT("\n\t\tMaximum Packet Size: %u bytes",
621 GET_BE_U_4(tptr + 20));
c8cf0f94
PA		 622 }
623 break;
624
625 case 130:
411677ae 626 /*
c8cf0f94
PA		 627 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
628 * | 130 (h) | 0 (i) | 2 (j) |
629 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
630 * | Rate [R] (32-bit IEEE floating point number) |
631 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
632 * | Slack Term [S] (32-bit integer) |
633 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
634 */
635
636 if (parameter_length == 8) {
ed775ee7
AHJ		 637 ND_TCHECK_8(tptr + 4);
638 bw.i = GET_BE_U_4(tptr + 4);
639 ND_PRINT("\n\t\tRate: %.10g Mbps", bw.f / 125000);
640 ND_PRINT("\n\t\tSlack Term: %u", GET_BE_U_4(tptr + 8));
c8cf0f94
PA		 641 }
642 break;
643
644 case 133:
645 case 134:
646 case 135:
647 case 136:
411677ae 648 if (parameter_length == 4) {
ed775ee7 649 ND_PRINT("\n\t\tValue: %u", GET_BE_U_4(tptr + 4));
411677ae 650 }
c8cf0f94
PA		 651 break;
652
653 default:
411677ae
AL		 654 if (ndo->ndo_vflag <= 1)
655 print_unknown_data(ndo, tptr + 4, "\n\t\t", parameter_length);
c8cf0f94
PA		 656 }
657 return (parameter_length+4); /* header length 4 bytes */
411677ae
AL		 658
659trunc:
ed775ee7 660 nd_print_trunc(ndo);
411677ae 661 return 0;
c8cf0f94
PA		 662}
663
411677ae
AL		 664/*
665 * Clear checksum prior to signature verification.
666 */
667static void
668rsvp_clear_checksum(void *header)
669{
670 struct rsvp_common_header *rsvp_com_header = (struct rsvp_common_header *) header;
c8cf0f94 671
411677ae
AL		 672 rsvp_com_header->checksum[0] = 0;
673 rsvp_com_header->checksum[1] = 0;
674}
675
676static int
677rsvp_obj_print(netdissect_options *ndo,
678 const u_char *pptr, u_int plen, const u_char *tptr,
ed775ee7 679 const char *indent, u_int tlen,
411677ae
AL		 680 const struct rsvp_common_header *rsvp_com_header)
681{
c8cf0f94
PA		 682 const struct rsvp_object_header *rsvp_obj_header;
683 const u_char *obj_tptr;
684 union {
685 const struct rsvp_obj_integrity_t *rsvp_obj_integrity;
686 const struct rsvp_obj_frr_t *rsvp_obj_frr;
687 } obj_ptr;
688
ed775ee7
AHJ		 689 u_short rsvp_obj_len,rsvp_obj_ctype,rsvp_obj_class_num;
690 u_int obj_tlen,intserv_serv_tlen;
691 int hexdump;
692 u_int processed,padbytes,error_code,error_value,i,sigcheck;
c8cf0f94
PA		 693 union {
694 float f;
411677ae 695 uint32_t i;
c8cf0f94 696 } bw;
ed775ee7 697 u_int namelen;
c8cf0f94 698
825e8fa1
PA		 699 u_int action, subchannel;
700
c8cf0f94
PA		 701 while(tlen>=sizeof(struct rsvp_object_header)) {
702 /* did we capture enough for fully decoding the object header ? */
ed775ee7 703 ND_TCHECK_LEN(tptr, sizeof(struct rsvp_object_header));
c8cf0f94
PA		 704
705 rsvp_obj_header = (const struct rsvp_object_header *)tptr;
ed775ee7
AHJ		 706 rsvp_obj_len=GET_BE_U_2(rsvp_obj_header->length);
707 rsvp_obj_ctype=GET_U_1(rsvp_obj_header->ctype);
c8cf0f94
PA		 708
709 if(rsvp_obj_len % 4) {
ed775ee7 710 ND_PRINT("%sERROR: object header size %u not a multiple of 4", indent, rsvp_obj_len);
c8cf0f94
PA		 711 return -1;
712 }
713 if(rsvp_obj_len < sizeof(struct rsvp_object_header)) {
ed775ee7
AHJ		 714 ND_PRINT("%sERROR: object header too short %u < %zu", indent, rsvp_obj_len,
715 sizeof(struct rsvp_object_header));
c8cf0f94
PA		 716 return -1;
717 }
718
ed775ee7
AHJ		 719 rsvp_obj_class_num = GET_U_1(rsvp_obj_header->class_num);
720 ND_PRINT("%s%s Object (%u) Flags: [%s",
721 indent,
c8cf0f94
PA		 722 tok2str(rsvp_obj_values,
723 "Unknown",
ed775ee7
AHJ		 724 rsvp_obj_class_num),
725 rsvp_obj_class_num,
726 (rsvp_obj_class_num & 0x80) ?
727 ((rsvp_obj_class_num & 0x40) ? "ignore and forward" :
728 "ignore silently") :
729 "reject");
730
731 ND_PRINT(" if unknown], Class-Type: %s (%u), length: %u",
c8cf0f94
PA		 732 tok2str(rsvp_ctype_values,
733 "Unknown",
ed775ee7 734 (rsvp_obj_class_num<<8)+rsvp_obj_ctype),
c8cf0f94 735 rsvp_obj_ctype,
ed775ee7 736 rsvp_obj_len);
411677ae 737
c8cf0f94 738 if(tlen < rsvp_obj_len) {
ed775ee7 739 ND_PRINT("%sERROR: object goes past end of objects TLV", indent);
c8cf0f94
PA		 740 return -1;
741 }
742
743 obj_tptr=tptr+sizeof(struct rsvp_object_header);
744 obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
745
746 /* did we capture enough for fully decoding the object ? */
ed775ee7 747 ND_TCHECK_LEN(tptr, rsvp_obj_len);
c8cf0f94
PA		 748 hexdump=FALSE;
749
ed775ee7 750 switch(rsvp_obj_class_num) {
c8cf0f94
PA		 751 case RSVP_OBJ_SESSION:
752 switch(rsvp_obj_ctype) {
753 case RSVP_CTYPE_IPV4:
754 if (obj_tlen < 8)
ed775ee7
AHJ		 755 goto obj_tooshort;
756 ND_PRINT("%s IPv4 DestAddress: %s, Protocol ID: 0x%02x",
757 indent,
758 GET_IPADDR_STRING(obj_tptr),
759 GET_U_1(obj_tptr + sizeof(nd_ipv4)));
760 ND_PRINT("%s Flags: [0x%02x], DestPort %u",
761 indent,
762 GET_U_1((obj_tptr + 5)),
763 GET_BE_U_2(obj_tptr + 6));
c8cf0f94 764 obj_tlen-=8;
411677ae 765 obj_tptr+=8;
c8cf0f94 766 break;
c8cf0f94
PA		 767 case RSVP_CTYPE_IPV6:
768 if (obj_tlen < 20)
ed775ee7
AHJ		 769 goto obj_tooshort;
770 ND_PRINT("%s IPv6 DestAddress: %s, Protocol ID: 0x%02x",
771 indent,
772 GET_IP6ADDR_STRING(obj_tptr),
773 GET_U_1(obj_tptr + sizeof(nd_ipv6)));
774 ND_PRINT("%s Flags: [0x%02x], DestPort %u",
775 indent,
776 GET_U_1((obj_tptr + sizeof(nd_ipv6) + 1)),
777 GET_BE_U_2(obj_tptr + sizeof(nd_ipv6) + 2));
c8cf0f94 778 obj_tlen-=20;
411677ae 779 obj_tptr+=20;
c8cf0f94
PA		 780 break;
781
782 case RSVP_CTYPE_TUNNEL_IPV6:
783 if (obj_tlen < 36)
ed775ee7
AHJ		 784 goto obj_tooshort;
785 ND_PRINT("%s IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
786 indent,
787 GET_IP6ADDR_STRING(obj_tptr),
788 GET_BE_U_2(obj_tptr + 18),
789 GET_IP6ADDR_STRING(obj_tptr + 20));
c8cf0f94 790 obj_tlen-=36;
411677ae 791 obj_tptr+=36;
c8cf0f94 792 break;
27bfbee1
PA		 793
794 case RSVP_CTYPE_14: /* IPv6 p2mp LSP Tunnel */
795 if (obj_tlen < 26)
ed775ee7
AHJ		 796 goto obj_tooshort;
797 ND_PRINT("%s IPv6 P2MP LSP ID: 0x%08x, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
798 indent,
799 GET_BE_U_4(obj_tptr),
800 GET_BE_U_2(obj_tptr + 6),
801 GET_IP6ADDR_STRING(obj_tptr + 8));
27bfbee1 802 obj_tlen-=26;
411677ae 803 obj_tptr+=26;
27bfbee1 804 break;
27bfbee1
PA		 805 case RSVP_CTYPE_13: /* IPv4 p2mp LSP Tunnel */
806 if (obj_tlen < 12)
ed775ee7
AHJ		 807 goto obj_tooshort;
808 ND_PRINT("%s IPv4 P2MP LSP ID: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
809 indent,
810 GET_IPADDR_STRING(obj_tptr),
811 GET_BE_U_2(obj_tptr + 6),
812 GET_IPADDR_STRING(obj_tptr + 8));
27bfbee1 813 obj_tlen-=12;
411677ae 814 obj_tptr+=12;
27bfbee1 815 break;
c8cf0f94 816 case RSVP_CTYPE_TUNNEL_IPV4:
66170f0a 817 case RSVP_CTYPE_UNI_IPV4:
c8cf0f94 818 if (obj_tlen < 12)
ed775ee7
AHJ		 819 goto obj_tooshort;
820 ND_PRINT("%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
821 indent,
822 GET_IPADDR_STRING(obj_tptr),
823 GET_BE_U_2(obj_tptr + 6),
824 GET_IPADDR_STRING(obj_tptr + 8));
c8cf0f94 825 obj_tlen-=12;
411677ae 826 obj_tptr+=12;
c8cf0f94
PA		 827 break;
828 default:
829 hexdump=TRUE;
830 }
831 break;
832
833 case RSVP_OBJ_CONFIRM:
834 switch(rsvp_obj_ctype) {
835 case RSVP_CTYPE_IPV4:
ed775ee7
AHJ		 836 if (obj_tlen < sizeof(nd_ipv4))
837 goto obj_tooshort;
838 ND_PRINT("%s IPv4 Receiver Address: %s",
839 indent,
840 GET_IPADDR_STRING(obj_tptr));
841 obj_tlen-=sizeof(nd_ipv4);
842 obj_tptr+=sizeof(nd_ipv4);
c8cf0f94 843 break;
c8cf0f94 844 case RSVP_CTYPE_IPV6:
ed775ee7
AHJ		 845 if (obj_tlen < sizeof(nd_ipv6))
846 goto obj_tooshort;
847 ND_PRINT("%s IPv6 Receiver Address: %s",
848 indent,
849 GET_IP6ADDR_STRING(obj_tptr));
850 obj_tlen-=sizeof(nd_ipv6);
851 obj_tptr+=sizeof(nd_ipv6);
c8cf0f94 852 break;
c8cf0f94
PA		 853 default:
854 hexdump=TRUE;
855 }
856 break;
857
858 case RSVP_OBJ_NOTIFY_REQ:
859 switch(rsvp_obj_ctype) {
860 case RSVP_CTYPE_IPV4:
ed775ee7
AHJ		 861 if (obj_tlen < sizeof(nd_ipv4))
862 goto obj_tooshort;
863 ND_PRINT("%s IPv4 Notify Node Address: %s",
864 indent,
865 GET_IPADDR_STRING(obj_tptr));
866 obj_tlen-=sizeof(nd_ipv4);
867 obj_tptr+=sizeof(nd_ipv4);
c8cf0f94 868 break;
c8cf0f94 869 case RSVP_CTYPE_IPV6:
ed775ee7
AHJ		 870 if (obj_tlen < sizeof(nd_ipv6))
871 goto obj_tooshort;
872 ND_PRINT("%s IPv6 Notify Node Address: %s",
873 indent,
874 GET_IP6ADDR_STRING(obj_tptr));
875 obj_tlen-=sizeof(nd_ipv6);
876 obj_tptr+=sizeof(nd_ipv6);
c8cf0f94 877 break;
c8cf0f94
PA		 878 default:
879 hexdump=TRUE;
880 }
881 break;
882
883 case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
884 case RSVP_OBJ_UPSTREAM_LABEL: /* fall through */
885 case RSVP_OBJ_RECOVERY_LABEL: /* fall through */
886 case RSVP_OBJ_LABEL:
887 switch(rsvp_obj_ctype) {
888 case RSVP_CTYPE_1:
889 while(obj_tlen >= 4 ) {
ed775ee7 890 ND_PRINT("%s Label: %u", indent, GET_BE_U_4(obj_tptr));
c8cf0f94
PA		 891 obj_tlen-=4;
892 obj_tptr+=4;
893 }
894 break;
895 case RSVP_CTYPE_2:
896 if (obj_tlen < 4)
ed775ee7
AHJ		 897 goto obj_tooshort;
898 ND_PRINT("%s Generalized Label: %u",
899 indent,
900 GET_BE_U_4(obj_tptr));
c8cf0f94
PA		 901 obj_tlen-=4;
902 obj_tptr+=4;
903 break;
904 case RSVP_CTYPE_3:
905 if (obj_tlen < 12)
ed775ee7
AHJ		 906 goto obj_tooshort;
907 ND_PRINT("%s Waveband ID: %u%s Start Label: %u, Stop Label: %u",
908 indent,
909 GET_BE_U_4(obj_tptr),
910 indent,
911 GET_BE_U_4(obj_tptr + 4),
912 GET_BE_U_4(obj_tptr + 8));
c8cf0f94
PA		 913 obj_tlen-=12;
914 obj_tptr+=12;
915 break;
916 default:
917 hexdump=TRUE;
918 }
919 break;
920
921 case RSVP_OBJ_STYLE:
922 switch(rsvp_obj_ctype) {
923 case RSVP_CTYPE_1:
924 if (obj_tlen < 4)
ed775ee7
AHJ		 925 goto obj_tooshort;
926 ND_PRINT("%s Reservation Style: %s, Flags: [0x%02x]",
927 indent,
c8cf0f94
PA		 928 tok2str(rsvp_resstyle_values,
929 "Unknown",
ed775ee7
AHJ		 930 GET_BE_U_3(obj_tptr + 1)),
931 GET_U_1(obj_tptr));
c8cf0f94
PA		 932 obj_tlen-=4;
933 obj_tptr+=4;
934 break;
935 default:
936 hexdump=TRUE;
937 }
938 break;
939
940 case RSVP_OBJ_SENDER_TEMPLATE:
941 switch(rsvp_obj_ctype) {
942 case RSVP_CTYPE_IPV4:
943 if (obj_tlen < 8)
ed775ee7
AHJ		 944 goto obj_tooshort;
945 ND_PRINT("%s Source Address: %s, Source Port: %u",
946 indent,
947 GET_IPADDR_STRING(obj_tptr),
948 GET_BE_U_2(obj_tptr + 6));
c8cf0f94
PA		 949 obj_tlen-=8;
950 obj_tptr+=8;
951 break;
c8cf0f94
PA		 952 case RSVP_CTYPE_IPV6:
953 if (obj_tlen < 20)
ed775ee7
AHJ		 954 goto obj_tooshort;
955 ND_PRINT("%s Source Address: %s, Source Port: %u",
956 indent,
957 GET_IP6ADDR_STRING(obj_tptr),
958 GET_BE_U_2(obj_tptr + 18));
c8cf0f94
PA		 959 obj_tlen-=20;
960 obj_tptr+=20;
961 break;
27bfbee1
PA		 962 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
963 if (obj_tlen < 40)
ed775ee7
AHJ		 964 goto obj_tooshort;
965 ND_PRINT("%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
27bfbee1 966 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
ed775ee7
AHJ		 967 indent,
968 GET_IP6ADDR_STRING(obj_tptr),
969 GET_BE_U_2(obj_tptr + 18),
970 indent,
971 GET_IP6ADDR_STRING(obj_tptr+20),
972 GET_BE_U_2(obj_tptr + 38));
27bfbee1
PA		 973 obj_tlen-=40;
974 obj_tptr+=40;
975 break;
c8cf0f94
PA		 976 case RSVP_CTYPE_TUNNEL_IPV4:
977 if (obj_tlen < 8)
ed775ee7
AHJ		 978 goto obj_tooshort;
979 ND_PRINT("%s IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
980 indent,
981 GET_IPADDR_STRING(obj_tptr),
982 GET_BE_U_2(obj_tptr + 6));
c8cf0f94
PA		 983 obj_tlen-=8;
984 obj_tptr+=8;
985 break;
27bfbee1
PA		 986 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
987 if (obj_tlen < 16)
ed775ee7
AHJ		 988 goto obj_tooshort;
989 ND_PRINT("%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
27bfbee1 990 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
ed775ee7
AHJ		 991 indent,
992 GET_IPADDR_STRING(obj_tptr),
993 GET_BE_U_2(obj_tptr + 6),
994 indent,
995 GET_IPADDR_STRING(obj_tptr+8),
996 GET_BE_U_2(obj_tptr + 12));
27bfbee1
PA		 997 obj_tlen-=16;
998 obj_tptr+=16;
999 break;
c8cf0f94
PA		 1000 default:
1001 hexdump=TRUE;
1002 }
1003 break;
1004
1005 case RSVP_OBJ_LABEL_REQ:
1006 switch(rsvp_obj_ctype) {
1007 case RSVP_CTYPE_1:
1008 while(obj_tlen >= 4 ) {
ed775ee7
AHJ		 1009 ND_PRINT("%s L3 Protocol ID: %s",
1010 indent,
c8cf0f94
PA		 1011 tok2str(ethertype_values,
1012 "Unknown Protocol (0x%04x)",
ed775ee7 1013 GET_BE_U_2(obj_tptr + 2)));
c8cf0f94
PA		 1014 obj_tlen-=4;
1015 obj_tptr+=4;
1016 }
1017 break;
1018 case RSVP_CTYPE_2:
1019 if (obj_tlen < 12)
ed775ee7
AHJ		 1020 goto obj_tooshort;
1021 ND_PRINT("%s L3 Protocol ID: %s",
1022 indent,
c8cf0f94
PA		 1023 tok2str(ethertype_values,
1024 "Unknown Protocol (0x%04x)",
ed775ee7
AHJ		 1025 GET_BE_U_2(obj_tptr + 2)));
1026 ND_PRINT(",%s merge capability",
1027 ((GET_U_1(obj_tptr + 4)) & 0x80) ? "no" : "" );
1028 ND_PRINT("%s Minimum VPI/VCI: %u/%u",
1029 indent,
1030 (GET_BE_U_2(obj_tptr + 4))&0xfff,
1031 (GET_BE_U_2(obj_tptr + 6)) & 0xfff);
1032 ND_PRINT("%s Maximum VPI/VCI: %u/%u",
1033 indent,
1034 (GET_BE_U_2(obj_tptr + 8))&0xfff,
1035 (GET_BE_U_2(obj_tptr + 10)) & 0xfff);
c8cf0f94
PA		 1036 obj_tlen-=12;
1037 obj_tptr+=12;
1038 break;
1039 case RSVP_CTYPE_3:
1040 if (obj_tlen < 12)
ed775ee7
AHJ		 1041 goto obj_tooshort;
1042 ND_PRINT("%s L3 Protocol ID: %s",
1043 indent,
c8cf0f94
PA		 1044 tok2str(ethertype_values,
1045 "Unknown Protocol (0x%04x)",
ed775ee7
AHJ		 1046 GET_BE_U_2(obj_tptr + 2)));
1047 ND_PRINT("%s Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI",
1048 indent,
1049 (GET_BE_U_4(obj_tptr + 4))&0x7fffff,
1050 (GET_BE_U_4(obj_tptr + 8))&0x7fffff,
1051 (((GET_BE_U_2(obj_tptr + 4)>>7)&3) == 0 ) ? "10" : "",
1052 (((GET_BE_U_2(obj_tptr + 4) >> 7) & 3) == 2 ) ? "23" : "");
c8cf0f94
PA		 1053 obj_tlen-=12;
1054 obj_tptr+=12;
1055 break;
1056 case RSVP_CTYPE_4:
66170f0a 1057 if (obj_tlen < 4)
ed775ee7
AHJ		 1058 goto obj_tooshort;
1059 ND_PRINT("%s LSP Encoding Type: %s (%u)",
1060 indent,
c8cf0f94
PA		 1061 tok2str(gmpls_encoding_values,
1062 "Unknown",
ed775ee7
AHJ		 1063 GET_U_1(obj_tptr)),
1064 GET_U_1(obj_tptr));
1065 ND_PRINT("%s Switching Type: %s (%u), Payload ID: %s (0x%04x)",
1066 indent,
c8cf0f94
PA		 1067 tok2str(gmpls_switch_cap_values,
1068 "Unknown",
ed775ee7
AHJ		 1069 GET_U_1((obj_tptr + 1))),
1070 GET_U_1(obj_tptr + 1),
c8cf0f94
PA		 1071 tok2str(gmpls_payload_values,
1072 "Unknown",
ed775ee7
AHJ		 1073 GET_BE_U_2(obj_tptr + 2)),
1074 GET_BE_U_2(obj_tptr + 2));
66170f0a
PA		 1075 obj_tlen-=4;
1076 obj_tptr+=4;
c8cf0f94
PA		 1077 break;
1078 default:
1079 hexdump=TRUE;
1080 }
1081 break;
1082
1083 case RSVP_OBJ_RRO:
1084 case RSVP_OBJ_ERO:
1085 switch(rsvp_obj_ctype) {
1086 case RSVP_CTYPE_IPV4:
1087 while(obj_tlen >= 4 ) {
411677ae
AL		 1088 u_char length;
1089
ed775ee7
AHJ		 1090 ND_TCHECK_4(obj_tptr);
1091 length = GET_U_1(obj_tptr + 1);
1092 ND_PRINT("%s Subobject Type: %s, length %u",
1093 indent,
c8cf0f94
PA		 1094 tok2str(rsvp_obj_xro_values,
1095 "Unknown %u",
ed775ee7
AHJ		 1096 RSVP_OBJ_XRO_MASK_SUBOBJ(GET_U_1(obj_tptr))),
1097 length);
1098 if (obj_tlen < length) {
1099 ND_PRINT("%s ERROR: ERO subobject length > object length", indent);
1100 break;
1101 }
c8cf0f94 1102
411677ae 1103 if (length == 0) { /* prevent infinite loops */
ed775ee7 1104 ND_PRINT("%s ERROR: zero length ERO subtype", indent);
c8cf0f94
PA		 1105 break;
1106 }
1107
ed775ee7 1108 switch(RSVP_OBJ_XRO_MASK_SUBOBJ(GET_U_1(obj_tptr))) {
411677ae
AL		 1109 u_char prefix_length;
1110
c8cf0f94 1111 case RSVP_OBJ_XRO_IPV4:
411677ae 1112 if (length != 8) {
ed775ee7 1113 ND_PRINT(" ERROR: length != 8");
411677ae
AL		 1114 goto invalid;
1115 }
ed775ee7
AHJ		 1116 ND_TCHECK_8(obj_tptr);
1117 prefix_length = GET_U_1(obj_tptr + 6);
411677ae 1118 if (prefix_length != 32) {
ed775ee7
AHJ		 1119 ND_PRINT(" ERROR: Prefix length %u != 32",
1120 prefix_length);
411677ae
AL		 1121 goto invalid;
1122 }
ed775ee7
AHJ		 1123 ND_PRINT(", %s, %s/%u, Flags: [%s]",
1124 RSVP_OBJ_XRO_MASK_LOOSE(GET_U_1(obj_tptr)) ? "Loose" : "Strict",
1125 GET_IPADDR_STRING(obj_tptr+2),
1126 GET_U_1((obj_tptr + 6)),
c8cf0f94
PA		 1127 bittok2str(rsvp_obj_rro_flag_values,
1128 "none",
ed775ee7 1129 GET_U_1((obj_tptr + 7)))); /* rfc3209 says that this field is rsvd. */
27bfbee1
PA		 1130 break;
1131 case RSVP_OBJ_XRO_LABEL:
411677ae 1132 if (length != 8) {
ed775ee7 1133 ND_PRINT(" ERROR: length != 8");
411677ae
AL		 1134 goto invalid;
1135 }
ed775ee7
AHJ		 1136 ND_TCHECK_8(obj_tptr);
1137 ND_PRINT(", Flags: [%s] (%#x), Class-Type: %s (%u), %u",
27bfbee1
PA		 1138 bittok2str(rsvp_obj_rro_label_flag_values,
1139 "none",
ed775ee7
AHJ		 1140 GET_U_1((obj_tptr + 2))),
1141 GET_U_1(obj_tptr + 2),
27bfbee1
PA		 1142 tok2str(rsvp_ctype_values,
1143 "Unknown",
ed775ee7
AHJ		 1144 GET_U_1((obj_tptr + 3)) + (256 * RSVP_OBJ_RRO)),
1145 GET_U_1((obj_tptr + 3)),
1146 GET_BE_U_4(obj_tptr + 4));
c8cf0f94 1147 }
ed775ee7
AHJ		 1148 obj_tlen-=length;
1149 obj_tptr+=length;
c8cf0f94
PA		 1150 }
1151 break;
1152 default:
1153 hexdump=TRUE;
1154 }
1155 break;
1156
1157 case RSVP_OBJ_HELLO:
1158 switch(rsvp_obj_ctype) {
1159 case RSVP_CTYPE_1:
1160 case RSVP_CTYPE_2:
1161 if (obj_tlen < 8)
ed775ee7
AHJ		 1162 goto obj_tooshort;
1163 ND_PRINT("%s Source Instance: 0x%08x, Destination Instance: 0x%08x",
1164 indent,
1165 GET_BE_U_4(obj_tptr),
1166 GET_BE_U_4(obj_tptr + 4));
c8cf0f94
PA		 1167 obj_tlen-=8;
1168 obj_tptr+=8;
1169 break;
1170 default:
1171 hexdump=TRUE;
1172 }
1173 break;
1174
1175 case RSVP_OBJ_RESTART_CAPABILITY:
1176 switch(rsvp_obj_ctype) {
1177 case RSVP_CTYPE_1:
1178 if (obj_tlen < 8)
ed775ee7
AHJ		 1179 goto obj_tooshort;
1180 ND_PRINT("%s Restart Time: %ums, Recovery Time: %ums",
1181 indent,
1182 GET_BE_U_4(obj_tptr),
1183 GET_BE_U_4(obj_tptr + 4));
c8cf0f94
PA		 1184 obj_tlen-=8;
1185 obj_tptr+=8;
1186 break;
1187 default:
1188 hexdump=TRUE;
1189 }
1190 break;
1191
ed775ee7
AHJ		 1192 case RSVP_OBJ_CAPABILITY:
1193 switch(rsvp_obj_ctype) {
1194 case RSVP_CTYPE_1:
1195 if (obj_tlen < 4)
1196 goto obj_tooshort;
1197 uint32_t unused_and_flags = GET_BE_U_4(obj_tptr);
1198 if (unused_and_flags & ~RSVP_OBJ_CAPABILITY_FLAGS_MASK)
1199 ND_PRINT("%s [reserved=0x%08x must be zero]", indent,
1200 unused_and_flags & ~RSVP_OBJ_CAPABILITY_FLAGS_MASK);
1201 ND_PRINT("%s Flags: [%s]",
1202 indent,
1203 bittok2str(rsvp_obj_capability_flag_values,
1204 "none",
1205 (unused_and_flags & RSVP_OBJ_CAPABILITY_FLAGS_MASK)));
1206 obj_tlen-=4;
1207 obj_tptr+=4;
1208 break;
1209 default:
1210 hexdump=TRUE;
1211 }
1212 break;
1213
c8cf0f94
PA		 1214 case RSVP_OBJ_SESSION_ATTRIBUTE:
1215 switch(rsvp_obj_ctype) {
1216 case RSVP_CTYPE_TUNNEL_IPV4:
1217 if (obj_tlen < 4)
ed775ee7
AHJ		 1218 goto obj_tooshort;
1219 namelen = GET_U_1(obj_tptr + 3);
c8cf0f94 1220 if (obj_tlen < 4+namelen)
ed775ee7
AHJ		 1221 goto obj_tooshort;
1222 ND_PRINT("%s Session Name: ", indent);
c8cf0f94 1223 for (i = 0; i < namelen; i++)
ed775ee7
AHJ		 1224 fn_print_char(ndo, GET_U_1(obj_tptr + 4 + i));
1225 ND_PRINT("%s Setup Priority: %u, Holding Priority: %u, Flags: [%s] (%#x)",
1226 indent,
1227 GET_U_1(obj_tptr),
1228 GET_U_1(obj_tptr + 1),
27bfbee1 1229 bittok2str(rsvp_session_attribute_flag_values,
c8cf0f94 1230 "none",
ed775ee7
AHJ		 1231 GET_U_1((obj_tptr + 2))),
1232 GET_U_1(obj_tptr + 2));
1233 obj_tlen-=4+namelen;
1234 obj_tptr+=4+namelen;
c8cf0f94
PA		 1235 break;
1236 default:
1237 hexdump=TRUE;
1238 }
1239 break;
1240
66170f0a
PA		 1241 case RSVP_OBJ_GENERALIZED_UNI:
1242 switch(rsvp_obj_ctype) {
ed775ee7 1243 u_int subobj_type,af,subobj_len,total_subobj_len;
66170f0a 1244
411677ae 1245 case RSVP_CTYPE_1:
66170f0a
PA		 1246
1247 if (obj_tlen < 4)
ed775ee7 1248 goto obj_tooshort;
66170f0a
PA		 1249
1250 /* read variable length subobjects */
1251 total_subobj_len = obj_tlen;
1252 while(total_subobj_len > 0) {
411677ae
AL		 1253 /* If RFC 3476 Section 3.1 defined that a sub-object of the
1254 * GENERALIZED_UNI RSVP object must have the Length field as
1255 * a multiple of 4, instead of the check below it would be
1256 * better to test total_subobj_len only once before the loop.
1257 * So long as it does not define it and this while loop does
1258 * not implement such a requirement, let's accept that within
1259 * each iteration subobj_len may happen to be a multiple of 1
1260 * and test it and total_subobj_len respectively.
1261 */
1262 if (total_subobj_len < 4)
1263 goto invalid;
ed775ee7
AHJ		 1264 subobj_len = GET_BE_U_2(obj_tptr);
1265 subobj_type = (GET_BE_U_2(obj_tptr + 2))>>8;
1266 af = (GET_BE_U_2(obj_tptr + 2))&0x00FF;
66170f0a 1267
ed775ee7
AHJ		 1268 ND_PRINT("%s Subobject Type: %s (%u), AF: %s (%u), length: %u",
1269 indent,
66170f0a
PA		 1270 tok2str(rsvp_obj_generalized_uni_values, "Unknown", subobj_type),
1271 subobj_type,
1272 tok2str(af_values, "Unknown", af), af,
ed775ee7 1273 subobj_len);
411677ae
AL		 1274
1275 /* In addition to what is explained above, the same spec does not
1276 * explicitly say that the same Length field includes the 4-octet
1277 * sub-object header, but as long as this while loop implements it
1278 * as it does include, let's keep the check below consistent with
1279 * the rest of the code.
ed775ee7
AHJ		 1280 *
1281 * XXX - RFC 3476 Section 3.1 says "The contents of these
1282 * sub-objects are described in [8]", where [8] is
1283 * UNI 1.0 Signaling Specification, The Optical
1284 * Internetworking Forum. The URL they give for that
1285 * document is
1286 *
1287 * http://www.oiforum.com/public/UNI_1.0_ia.html
1288 *
1289 * but that doesn't work; the new URL appears to be
1290 *
1291 * https://web.archive.org/web/20160401194747/http://www.oiforum.com/public/documents/OIF-UNI-01.0.pdf
1292 *
1293 * and *that* document, in section 12.5.2.3
1294 * "GENERALIZED_UNI Object (Class-Num=11bbbbbb (TBA))",
1295 * says nothing about the length field in general, but
1296 * some of the examples it gives in subsections have
1297 * length field values that clearly includes the length
1298 * of the sub-object header as well as the length of the
1299 * value.
411677ae 1300 */
ed775ee7
AHJ		 1301 if(subobj_len < 4 || subobj_len > total_subobj_len ||
1302 obj_tlen < subobj_len)
411677ae 1303 goto invalid;
66170f0a
PA		 1304
1305 switch(subobj_type) {
1306 case RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS:
1307 case RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS:
1308
1309 switch(af) {
1310 case AFNUM_INET:
1311 if (subobj_len < 8)
ed775ee7
AHJ		 1312 goto subobj_tooshort;
1313 ND_PRINT("%s UNI IPv4 TNA address: %s",
1314 indent, GET_IPADDR_STRING(obj_tptr + 4));
66170f0a 1315 break;
66170f0a
PA		 1316 case AFNUM_INET6:
1317 if (subobj_len < 20)
ed775ee7
AHJ		 1318 goto subobj_tooshort;
1319 ND_PRINT("%s UNI IPv6 TNA address: %s",
1320 indent, GET_IP6ADDR_STRING(obj_tptr + 4));
66170f0a 1321 break;
66170f0a
PA		 1322 case AFNUM_NSAP:
1323 if (subobj_len) {
1324 /* unless we have a TLV parser lets just hexdump */
1325 hexdump=TRUE;
1326 }
1327 break;
1328 }
1329 break;
1330
1331 case RSVP_GEN_UNI_SUBOBJ_DIVERSITY:
ed775ee7 1332 if (subobj_len > 4) {
66170f0a
PA		 1333 /* unless we have a TLV parser lets just hexdump */
1334 hexdump=TRUE;
1335 }
1336 break;
1337
1338 case RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL:
1339 if (subobj_len < 16) {
ed775ee7 1340 goto subobj_tooshort;
66170f0a
PA		 1341 }
1342
ed775ee7
AHJ		 1343 ND_PRINT("%s U-bit: %x, Label type: %u, Logical port id: %u, Label: %u",
1344 indent,
1345 ((GET_BE_U_4(obj_tptr + 4))>>31),
1346 ((GET_BE_U_4(obj_tptr + 4))&0xFF),
1347 GET_BE_U_4(obj_tptr + 8),
1348 GET_BE_U_4(obj_tptr + 12));
66170f0a
PA		 1349 break;
1350
1351 case RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL:
1352 if (subobj_len < 8) {
ed775ee7 1353 goto subobj_tooshort;
66170f0a
PA		 1354 }
1355
ed775ee7
AHJ		 1356 ND_PRINT("%s Service level: %u",
1357 indent, (GET_BE_U_4(obj_tptr + 4)) >> 24);
66170f0a
PA		 1358 break;
1359
1360 default:
1361 hexdump=TRUE;
1362 break;
1363 }
1364 total_subobj_len-=subobj_len;
1365 obj_tptr+=subobj_len;
1366 obj_tlen+=subobj_len;
1367 }
66170f0a
PA		 1368 break;
1369
1370 default:
1371 hexdump=TRUE;
1372 }
1373 break;
1374
c8cf0f94
PA		 1375 case RSVP_OBJ_RSVP_HOP:
1376 switch(rsvp_obj_ctype) {
1377 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1378 case RSVP_CTYPE_IPV4:
1379 if (obj_tlen < 8)
ed775ee7
AHJ		 1380 goto obj_tooshort;
1381 ND_PRINT("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1382 indent,
1383 GET_IPADDR_STRING(obj_tptr),
1384 GET_BE_U_4(obj_tptr + 4));
c8cf0f94
PA		 1385 obj_tlen-=8;
1386 obj_tptr+=8;
1387 if (obj_tlen)
1388 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1389 break;
c8cf0f94
PA		 1390 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1391 case RSVP_CTYPE_IPV6:
1392 if (obj_tlen < 20)
ed775ee7
AHJ		 1393 goto obj_tooshort;
1394 ND_PRINT("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1395 indent,
1396 GET_IP6ADDR_STRING(obj_tptr),
1397 GET_BE_U_4(obj_tptr + 16));
c8cf0f94
PA		 1398 obj_tlen-=20;
1399 obj_tptr+=20;
1400 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1401 break;
c8cf0f94
PA		 1402 default:
1403 hexdump=TRUE;
1404 }
1405 break;
1406
1407 case RSVP_OBJ_TIME_VALUES:
1408 switch(rsvp_obj_ctype) {
1409 case RSVP_CTYPE_1:
1410 if (obj_tlen < 4)
ed775ee7
AHJ		 1411 goto obj_tooshort;
1412 ND_PRINT("%s Refresh Period: %ums",
1413 indent,
1414 GET_BE_U_4(obj_tptr));
c8cf0f94
PA		 1415 obj_tlen-=4;
1416 obj_tptr+=4;
1417 break;
1418 default:
1419 hexdump=TRUE;
1420 }
1421 break;
1422
1423 /* those three objects do share the same semantics */
1424 case RSVP_OBJ_SENDER_TSPEC:
1425 case RSVP_OBJ_ADSPEC:
1426 case RSVP_OBJ_FLOWSPEC:
1427 switch(rsvp_obj_ctype) {
1428 case RSVP_CTYPE_2:
1429 if (obj_tlen < 4)
ed775ee7
AHJ		 1430 goto obj_tooshort;
1431 ND_PRINT("%s Msg-Version: %u, length: %u",
1432 indent,
1433 (GET_U_1(obj_tptr) & 0xf0) >> 4,
1434 GET_BE_U_2(obj_tptr + 2) << 2);
c8cf0f94
PA		 1435 obj_tptr+=4; /* get to the start of the service header */
1436 obj_tlen-=4;
1437
1438 while (obj_tlen >= 4) {
ed775ee7
AHJ		 1439 intserv_serv_tlen=GET_BE_U_2(obj_tptr + 2)<<2;
1440 ND_PRINT("%s Service Type: %s (%u), break bit %sset, Service length: %u",
1441 indent,
1442 tok2str(rsvp_intserv_service_type_values,"unknown",GET_U_1((obj_tptr))),
1443 GET_U_1(obj_tptr),
1444 (GET_U_1(obj_tptr + 1)&0x80) ? "" : "not ",
1445 intserv_serv_tlen);
411677ae 1446
c8cf0f94
PA		 1447 obj_tptr+=4; /* get to the start of the parameter list */
1448 obj_tlen-=4;
1449
1450 while (intserv_serv_tlen>=4) {
411677ae 1451 processed = rsvp_intserv_print(ndo, obj_tptr, obj_tlen);
c8cf0f94
PA		 1452 if (processed == 0)
1453 break;
1454 obj_tlen-=processed;
1455 intserv_serv_tlen-=processed;
1456 obj_tptr+=processed;
1457 }
1458 }
1459 break;
1460 default:
1461 hexdump=TRUE;
1462 }
1463 break;
1464
1465 case RSVP_OBJ_FILTERSPEC:
1466 switch(rsvp_obj_ctype) {
1467 case RSVP_CTYPE_IPV4:
1468 if (obj_tlen < 8)
ed775ee7
AHJ		 1469 goto obj_tooshort;
1470 ND_PRINT("%s Source Address: %s, Source Port: %u",
1471 indent,
1472 GET_IPADDR_STRING(obj_tptr),
1473 GET_BE_U_2(obj_tptr + 6));
c8cf0f94
PA		 1474 obj_tlen-=8;
1475 obj_tptr+=8;
1476 break;
c8cf0f94
PA		 1477 case RSVP_CTYPE_IPV6:
1478 if (obj_tlen < 20)
ed775ee7
AHJ		 1479 goto obj_tooshort;
1480 ND_PRINT("%s Source Address: %s, Source Port: %u",
1481 indent,
1482 GET_IP6ADDR_STRING(obj_tptr),
1483 GET_BE_U_2(obj_tptr + 18));
c8cf0f94
PA		 1484 obj_tlen-=20;
1485 obj_tptr+=20;
1486 break;
1487 case RSVP_CTYPE_3:
1488 if (obj_tlen < 20)
ed775ee7
AHJ		 1489 goto obj_tooshort;
1490 ND_PRINT("%s Source Address: %s, Flow Label: %u",
1491 indent,
1492 GET_IP6ADDR_STRING(obj_tptr),
1493 GET_BE_U_3(obj_tptr + 17));
c8cf0f94
PA		 1494 obj_tlen-=20;
1495 obj_tptr+=20;
1496 break;
1497 case RSVP_CTYPE_TUNNEL_IPV6:
1498 if (obj_tlen < 20)
ed775ee7
AHJ		 1499 goto obj_tooshort;
1500 ND_PRINT("%s Source Address: %s, LSP-ID: 0x%04x",
1501 indent,
1502 GET_IPADDR_STRING(obj_tptr),
1503 GET_BE_U_2(obj_tptr + 18));
c8cf0f94
PA		 1504 obj_tlen-=20;
1505 obj_tptr+=20;
1506 break;
27bfbee1
PA		 1507 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
1508 if (obj_tlen < 40)
ed775ee7
AHJ		 1509 goto obj_tooshort;
1510 ND_PRINT("%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
27bfbee1 1511 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
ed775ee7
AHJ		 1512 indent,
1513 GET_IP6ADDR_STRING(obj_tptr),
1514 GET_BE_U_2(obj_tptr + 18),
1515 indent,
1516 GET_IP6ADDR_STRING(obj_tptr+20),
1517 GET_BE_U_2(obj_tptr + 38));
27bfbee1
PA		 1518 obj_tlen-=40;
1519 obj_tptr+=40;
1520 break;
c8cf0f94
PA		 1521 case RSVP_CTYPE_TUNNEL_IPV4:
1522 if (obj_tlen < 8)
ed775ee7
AHJ		 1523 goto obj_tooshort;
1524 ND_PRINT("%s Source Address: %s, LSP-ID: 0x%04x",
1525 indent,
1526 GET_IPADDR_STRING(obj_tptr),
1527 GET_BE_U_2(obj_tptr + 6));
c8cf0f94
PA		 1528 obj_tlen-=8;
1529 obj_tptr+=8;
1530 break;
27bfbee1
PA		 1531 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
1532 if (obj_tlen < 16)
ed775ee7
AHJ		 1533 goto obj_tooshort;
1534 ND_PRINT("%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
27bfbee1 1535 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
ed775ee7
AHJ		 1536 indent,
1537 GET_IPADDR_STRING(obj_tptr),
1538 GET_BE_U_2(obj_tptr + 6),
1539 indent,
1540 GET_IPADDR_STRING(obj_tptr+8),
1541 GET_BE_U_2(obj_tptr + 12));
27bfbee1
PA		 1542 obj_tlen-=16;
1543 obj_tptr+=16;
1544 break;
c8cf0f94
PA		 1545 default:
1546 hexdump=TRUE;
1547 }
1548 break;
1549
1550 case RSVP_OBJ_FASTREROUTE:
1551 /* the differences between c-type 1 and 7 are minor */
1552 obj_ptr.rsvp_obj_frr = (const struct rsvp_obj_frr_t *)obj_tptr;
c8cf0f94
PA		 1553
1554 switch(rsvp_obj_ctype) {
1555 case RSVP_CTYPE_1: /* new style */
1556 if (obj_tlen < sizeof(struct rsvp_obj_frr_t))
ed775ee7
AHJ		 1557 goto obj_tooshort;
1558 bw.i = GET_BE_U_4(obj_ptr.rsvp_obj_frr->bandwidth);
1559 ND_PRINT("%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1560 indent,
1561 obj_ptr.rsvp_obj_frr->setup_prio,
1562 obj_ptr.rsvp_obj_frr->hold_prio,
1563 obj_ptr.rsvp_obj_frr->hop_limit,
1564 bw.f * 8 / 1000000);
1565 ND_PRINT("%s Include-any: 0x%08x, Exclude-any: 0x%08x, Include-all: 0x%08x",
1566 indent,
1567 GET_BE_U_4(obj_ptr.rsvp_obj_frr->include_any),
1568 GET_BE_U_4(obj_ptr.rsvp_obj_frr->exclude_any),
1569 GET_BE_U_4(obj_ptr.rsvp_obj_frr->include_all));
c8cf0f94
PA		 1570 obj_tlen-=sizeof(struct rsvp_obj_frr_t);
1571 obj_tptr+=sizeof(struct rsvp_obj_frr_t);
1572 break;
1573
1574 case RSVP_CTYPE_TUNNEL_IPV4: /* old style */
1575 if (obj_tlen < 16)
ed775ee7
AHJ		 1576 goto obj_tooshort;
1577 bw.i = GET_BE_U_4(obj_ptr.rsvp_obj_frr->bandwidth);
1578 ND_PRINT("%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1579 indent,
1580 obj_ptr.rsvp_obj_frr->setup_prio,
1581 obj_ptr.rsvp_obj_frr->hold_prio,
1582 obj_ptr.rsvp_obj_frr->hop_limit,
1583 bw.f * 8 / 1000000);
1584 ND_PRINT("%s Include Colors: 0x%08x, Exclude Colors: 0x%08x",
1585 indent,
1586 GET_BE_U_4(obj_ptr.rsvp_obj_frr->include_any),
1587 GET_BE_U_4(obj_ptr.rsvp_obj_frr->exclude_any));
c8cf0f94
PA		 1588 obj_tlen-=16;
1589 obj_tptr+=16;
1590 break;
1591
1592 default:
1593 hexdump=TRUE;
1594 }
1595 break;
1596
1597 case RSVP_OBJ_DETOUR:
1598 switch(rsvp_obj_ctype) {
1599 case RSVP_CTYPE_TUNNEL_IPV4:
1600 while(obj_tlen >= 8) {
ed775ee7
AHJ		 1601 ND_PRINT("%s PLR-ID: %s, Avoid-Node-ID: %s",
1602 indent,
1603 GET_IPADDR_STRING(obj_tptr),
1604 GET_IPADDR_STRING(obj_tptr + 4));
c8cf0f94
PA		 1605 obj_tlen-=8;
1606 obj_tptr+=8;
1607 }
1608 break;
1609 default:
1610 hexdump=TRUE;
1611 }
1612 break;
1613
1614 case RSVP_OBJ_CLASSTYPE:
1615 case RSVP_OBJ_CLASSTYPE_OLD: /* fall through */
1616 switch(rsvp_obj_ctype) {
1617 case RSVP_CTYPE_1:
ed775ee7
AHJ		 1618 if (obj_tlen < 4)
1619 goto obj_tooshort;
1620 ND_PRINT("%s CT: %u",
1621 indent,
1622 GET_BE_U_4(obj_tptr) & 0x7);
c8cf0f94
PA		 1623 obj_tlen-=4;
1624 obj_tptr+=4;
1625 break;
1626 default:
1627 hexdump=TRUE;
1628 }
1629 break;
1630
1631 case RSVP_OBJ_ERROR_SPEC:
1632 switch(rsvp_obj_ctype) {
1633 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1634 case RSVP_CTYPE_IPV4:
1635 if (obj_tlen < 8)
ed775ee7
AHJ		 1636 goto obj_tooshort;
1637 error_code=GET_U_1(obj_tptr + 5);
1638 error_value=GET_BE_U_2(obj_tptr + 6);
1639 ND_PRINT("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1640 indent,
1641 GET_IPADDR_STRING(obj_tptr),
1642 GET_U_1(obj_tptr + 4),
1643 indent,
c8cf0f94 1644 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
ed775ee7 1645 error_code);
c8cf0f94
PA		 1646 switch (error_code) {
1647 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
ed775ee7 1648 ND_PRINT(", Error Value: %s (%u)",
c8cf0f94 1649 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
ed775ee7 1650 error_value);
c8cf0f94
PA		 1651 break;
1652 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE: /* fall through */
1653 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD:
ed775ee7 1654 ND_PRINT(", Error Value: %s (%u)",
c8cf0f94 1655 tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value),
ed775ee7 1656 error_value);
c8cf0f94
PA		 1657 break;
1658 default:
ed775ee7 1659 ND_PRINT(", Unknown Error Value (%u)", error_value);
c8cf0f94
PA		 1660 break;
1661 }
1662 obj_tlen-=8;
1663 obj_tptr+=8;
1664 break;
c8cf0f94
PA		 1665 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1666 case RSVP_CTYPE_IPV6:
1667 if (obj_tlen < 20)
ed775ee7
AHJ		 1668 goto obj_tooshort;
1669 error_code=GET_U_1(obj_tptr + 17);
1670 error_value=GET_BE_U_2(obj_tptr + 18);
1671 ND_PRINT("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1672 indent,
1673 GET_IP6ADDR_STRING(obj_tptr),
1674 GET_U_1(obj_tptr + 16),
1675 indent,
c8cf0f94 1676 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
ed775ee7 1677 error_code);
c8cf0f94
PA		 1678
1679 switch (error_code) {
1680 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
ed775ee7 1681 ND_PRINT(", Error Value: %s (%u)",
c8cf0f94 1682 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
ed775ee7 1683 error_value);
c8cf0f94
PA		 1684 break;
1685 default:
1686 break;
1687 }
1688 obj_tlen-=20;
1689 obj_tptr+=20;
1690 break;
c8cf0f94
PA		 1691 default:
1692 hexdump=TRUE;
1693 }
1694 break;
1695
1696 case RSVP_OBJ_PROPERTIES:
1697 switch(rsvp_obj_ctype) {
1698 case RSVP_CTYPE_1:
1699 if (obj_tlen < 4)
ed775ee7
AHJ		 1700 goto obj_tooshort;
1701 padbytes = GET_BE_U_2(obj_tptr + 2);
1702 ND_PRINT("%s TLV count: %u, padding bytes: %u",
1703 indent,
1704 GET_BE_U_2(obj_tptr),
1705 padbytes);
c8cf0f94
PA		 1706 obj_tlen-=4;
1707 obj_tptr+=4;
1708 /* loop through as long there is anything longer than the TLV header (2) */
1709 while(obj_tlen >= 2 + padbytes) {
ed775ee7
AHJ		 1710 ND_PRINT("%s %s TLV (0x%02x), length: %u", /* length includes header */
1711 indent,
1712 tok2str(rsvp_obj_prop_tlv_values,"unknown",GET_U_1(obj_tptr)),
1713 GET_U_1(obj_tptr),
1714 GET_U_1(obj_tptr + 1));
1715 if (obj_tlen < GET_U_1(obj_tptr + 1))
1716 goto obj_tooshort;
1717 if (GET_U_1(obj_tptr + 1) < 2) {
1718 ND_PRINT("%sERROR: property TLV is too short", indent);
c8cf0f94 1719 return -1;
ed775ee7
AHJ		 1720 }
1721 print_unknown_data(ndo, obj_tptr + 2, "\n\t\t",
1722 GET_U_1(obj_tptr + 1) - 2);
1723 obj_tlen-=GET_U_1(obj_tptr + 1);
1724 obj_tptr+=GET_U_1(obj_tptr + 1);
c8cf0f94
PA		 1725 }
1726 break;
1727 default:
1728 hexdump=TRUE;
1729 }
1730 break;
1731
1732 case RSVP_OBJ_MESSAGE_ID: /* fall through */
1733 case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */
1734 case RSVP_OBJ_MESSAGE_ID_LIST:
1735 switch(rsvp_obj_ctype) {
1736 case RSVP_CTYPE_1:
66170f0a 1737 case RSVP_CTYPE_2:
ed775ee7
AHJ		 1738 if (obj_tlen < 4)
1739 goto obj_tooshort;
1740 ND_PRINT("%s Flags [0x%02x], epoch: %u",
1741 indent,
1742 GET_U_1(obj_tptr),
1743 GET_BE_U_3(obj_tptr + 1));
c8cf0f94
PA		 1744 obj_tlen-=4;
1745 obj_tptr+=4;
1746 /* loop through as long there are no messages left */
1747 while(obj_tlen >= 4) {
ed775ee7
AHJ		 1748 ND_PRINT("%s Message-ID 0x%08x (%u)",
1749 indent,
1750 GET_BE_U_4(obj_tptr),
1751 GET_BE_U_4(obj_tptr));
c8cf0f94
PA		 1752 obj_tlen-=4;
1753 obj_tptr+=4;
1754 }
1755 break;
1756 default:
1757 hexdump=TRUE;
1758 }
1759 break;
1760
1761 case RSVP_OBJ_INTEGRITY:
1762 switch(rsvp_obj_ctype) {
1763 case RSVP_CTYPE_1:
1764 if (obj_tlen < sizeof(struct rsvp_obj_integrity_t))
ed775ee7 1765 goto obj_tooshort;
c8cf0f94 1766 obj_ptr.rsvp_obj_integrity = (const struct rsvp_obj_integrity_t *)obj_tptr;
ed775ee7
AHJ		 1767 ND_PRINT("%s Key-ID 0x%04x%08x, Sequence 0x%08x%08x, Flags [%s]",
1768 indent,
1769 GET_BE_U_2(obj_ptr.rsvp_obj_integrity->key_id),
1770 GET_BE_U_4(obj_ptr.rsvp_obj_integrity->key_id + 2),
1771 GET_BE_U_4(obj_ptr.rsvp_obj_integrity->sequence),
1772 GET_BE_U_4(obj_ptr.rsvp_obj_integrity->sequence + 4),
c8cf0f94
PA		 1773 bittok2str(rsvp_obj_integrity_flag_values,
1774 "none",
ed775ee7
AHJ		 1775 obj_ptr.rsvp_obj_integrity->flags));
1776 ND_PRINT("%s MD5-sum 0x%08x%08x%08x%08x ",
1777 indent,
1778 GET_BE_U_4(obj_ptr.rsvp_obj_integrity->digest),
1779 GET_BE_U_4(obj_ptr.rsvp_obj_integrity->digest + 4),
1780 GET_BE_U_4(obj_ptr.rsvp_obj_integrity->digest + 8),
1781 GET_BE_U_4(obj_ptr.rsvp_obj_integrity->digest + 12));
27bfbee1 1782
411677ae
AL		 1783 sigcheck = signature_verify(ndo, pptr, plen,
1784 obj_ptr.rsvp_obj_integrity->digest,
1785 rsvp_clear_checksum,
1786 rsvp_com_header);
ed775ee7 1787 ND_PRINT(" (%s)", tok2str(signature_check_values, "Unknown", sigcheck));
27bfbee1 1788
c8cf0f94
PA		 1789 obj_tlen+=sizeof(struct rsvp_obj_integrity_t);
1790 obj_tptr+=sizeof(struct rsvp_obj_integrity_t);
1791 break;
1792 default:
1793 hexdump=TRUE;
1794 }
411677ae 1795 break;
c8cf0f94 1796
66170f0a
PA		 1797 case RSVP_OBJ_ADMIN_STATUS:
1798 switch(rsvp_obj_ctype) {
411677ae 1799 case RSVP_CTYPE_1:
66170f0a 1800 if (obj_tlen < 4)
ed775ee7
AHJ		 1801 goto obj_tooshort;
1802 ND_PRINT("%s Flags [%s]", indent,
66170f0a 1803 bittok2str(rsvp_obj_admin_status_flag_values, "none",
ed775ee7 1804 GET_BE_U_4(obj_tptr)));
66170f0a
PA		 1805 obj_tlen-=4;
1806 obj_tptr+=4;
1807 break;
1808 default:
1809 hexdump=TRUE;
1810 }
1811 break;
1812
1813 case RSVP_OBJ_LABEL_SET:
1814 switch(rsvp_obj_ctype) {
411677ae 1815 case RSVP_CTYPE_1:
66170f0a 1816 if (obj_tlen < 4)
ed775ee7
AHJ		 1817 goto obj_tooshort;
1818 action = (GET_BE_U_2(obj_tptr)>>8);
66170f0a 1819
ed775ee7 1820 ND_PRINT("%s Action: %s (%u), Label type: %u", indent,
66170f0a 1821 tok2str(rsvp_obj_label_set_action_values, "Unknown", action),
ed775ee7 1822 action, (GET_BE_U_4(obj_tptr) & 0x7F));
66170f0a
PA		 1823
1824 switch (action) {
1825 case LABEL_SET_INCLUSIVE_RANGE:
1826 case LABEL_SET_EXCLUSIVE_RANGE: /* fall through */
1827
1828 /* only a couple of subchannels are expected */
1829 if (obj_tlen < 12)
ed775ee7
AHJ		 1830 goto obj_tooshort;
1831 ND_PRINT("%s Start range: %u, End range: %u", indent,
1832 GET_BE_U_4(obj_tptr + 4),
1833 GET_BE_U_4(obj_tptr + 8));
66170f0a
PA		 1834 obj_tlen-=12;
1835 obj_tptr+=12;
1836 break;
1837
1838 default:
1839 obj_tlen-=4;
1840 obj_tptr+=4;
1841 subchannel = 1;
1842 while(obj_tlen >= 4 ) {
ed775ee7
AHJ		 1843 ND_PRINT("%s Subchannel #%u: %u", indent, subchannel,
1844 GET_BE_U_4(obj_tptr));
66170f0a
PA		 1845 obj_tptr+=4;
1846 obj_tlen-=4;
1847 subchannel++;
1848 }
1849 break;
1850 }
1851 break;
27bfbee1
PA		 1852 default:
1853 hexdump=TRUE;
1854 }
ed775ee7 1855 break;
66170f0a 1856
27bfbee1
PA		 1857 case RSVP_OBJ_S2L:
1858 switch (rsvp_obj_ctype) {
411677ae 1859 case RSVP_CTYPE_IPV4:
27bfbee1 1860 if (obj_tlen < 4)
ed775ee7
AHJ		 1861 goto obj_tooshort;
1862 ND_PRINT("%s Sub-LSP destination address: %s",
1863 indent, GET_IPADDR_STRING(obj_tptr));
27bfbee1
PA		 1864
1865 obj_tlen-=4;
1866 obj_tptr+=4;
1867 break;
411677ae 1868 case RSVP_CTYPE_IPV6:
27bfbee1 1869 if (obj_tlen < 16)
ed775ee7
AHJ		 1870 goto obj_tooshort;
1871 ND_PRINT("%s Sub-LSP destination address: %s",
1872 indent, GET_IP6ADDR_STRING(obj_tptr));
27bfbee1
PA		 1873
1874 obj_tlen-=16;
1875 obj_tptr+=16;
1876 break;
66170f0a
PA		 1877 default:
1878 hexdump=TRUE;
1879 }
ed775ee7 1880 break;
66170f0a 1881
c8cf0f94
PA		 1882 /*
1883 * FIXME those are the defined objects that lack a decoder
1884 * you are welcome to contribute code ;-)
1885 */
1886
1887 case RSVP_OBJ_SCOPE:
1888 case RSVP_OBJ_POLICY_DATA:
c8cf0f94
PA		 1889 case RSVP_OBJ_ACCEPT_LABEL_SET:
1890 case RSVP_OBJ_PROTECTION:
1891 default:
411677ae
AL		 1892 if (ndo->ndo_vflag <= 1)
1893 print_unknown_data(ndo, obj_tptr, "\n\t ", obj_tlen); /* FIXME indentation */
c8cf0f94
PA		 1894 break;
1895 }
1896 /* do we also want to see a hex dump ? */
411677ae
AL		 1897 if (ndo->ndo_vflag > 1 || hexdump == TRUE)
1898 print_unknown_data(ndo, tptr + sizeof(struct rsvp_object_header), "\n\t ", /* FIXME indentation */
1899 rsvp_obj_len - sizeof(struct rsvp_object_header));
c8cf0f94
PA		 1900
1901 tptr+=rsvp_obj_len;
1902 tlen-=rsvp_obj_len;
1903 }
1904 return 0;
ed775ee7
AHJ		 1905subobj_tooshort:
1906 ND_PRINT("%sERROR: sub-object is too short", indent);
1907 return -1;
1908obj_tooshort:
1909 ND_PRINT("%sERROR: object is too short", indent);
1910 return -1;
411677ae 1911invalid:
ed775ee7 1912 nd_print_invalid(ndo);
411677ae 1913 return -1;
c8cf0f94 1914trunc:
ed775ee7 1915 nd_print_trunc(ndo);
c8cf0f94
PA		 1916 return -1;
1917}
1918
c8cf0f94 1919void
411677ae 1920rsvp_print(netdissect_options *ndo,
ed775ee7 1921 const u_char *pptr, u_int len)
411677ae
AL		 1922{
1923 const struct rsvp_common_header *rsvp_com_header;
ed775ee7 1924 uint8_t version_flags, msg_type;
411677ae
AL		 1925 const u_char *tptr;
1926 u_short plen, tlen;
c8cf0f94 1927
ed775ee7 1928 ndo->ndo_protocol = "rsvp";
c8cf0f94
PA		 1929 tptr=pptr;
1930
411677ae 1931 rsvp_com_header = (const struct rsvp_common_header *)pptr;
ed775ee7
AHJ		 1932 ND_TCHECK_SIZE(rsvp_com_header);
1933 version_flags = GET_U_1(rsvp_com_header->version_flags);
c8cf0f94
PA		 1934
1935 /*
1936 * Sanity checking of the header.
1937 */
ed775ee7
AHJ		 1938 if (RSVP_EXTRACT_VERSION(version_flags) != RSVP_VERSION) {
1939 ND_PRINT("ERROR: RSVP version %u packet not supported",
1940 RSVP_EXTRACT_VERSION(version_flags));
c8cf0f94
PA		 1941 return;
1942 }
1943
ed775ee7
AHJ		 1944 msg_type = GET_U_1(rsvp_com_header->msg_type);
1945
c8cf0f94 1946 /* in non-verbose mode just lets print the basic Message Type*/
411677ae 1947 if (ndo->ndo_vflag < 1) {
ed775ee7
AHJ		 1948 ND_PRINT("RSVPv%u %s Message, length: %u",
1949 RSVP_EXTRACT_VERSION(version_flags),
1950 tok2str(rsvp_msg_type_values, "unknown (%u)",msg_type),
1951 len);
c8cf0f94
PA		 1952 return;
1953 }
1954
1955 /* ok they seem to want to know everything - lets fully decode it */
1956
ed775ee7 1957 plen = tlen = GET_BE_U_2(rsvp_com_header->length);
c8cf0f94 1958
ed775ee7
AHJ		 1959 ND_PRINT("\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1960 RSVP_EXTRACT_VERSION(version_flags),
1961 tok2str(rsvp_msg_type_values, "unknown, type: %u",msg_type),
1962 msg_type,
1963 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(version_flags)),
c8cf0f94 1964 tlen,
ed775ee7
AHJ		 1965 GET_U_1(rsvp_com_header->ttl),
1966 GET_BE_U_2(rsvp_com_header->checksum));
27bfbee1 1967
ed775ee7
AHJ		 1968 if (tlen < sizeof(struct rsvp_common_header)) {
1969 ND_PRINT("ERROR: common header too short %u < %zu", tlen,
1970 sizeof(struct rsvp_common_header));
c8cf0f94
PA		 1971 return;
1972 }
1973
ed775ee7
AHJ		 1974 tptr+=sizeof(struct rsvp_common_header);
1975 tlen-=sizeof(struct rsvp_common_header);
c8cf0f94 1976
ed775ee7 1977 switch(msg_type) {
c8cf0f94 1978
411677ae
AL		 1979 case RSVP_MSGTYPE_BUNDLE:
1980 /*
1981 * Process each submessage in the bundle message.
1982 * Bundle messages may not contain bundle submessages, so we don't
1983 * need to handle bundle submessages specially.
1984 */
c8cf0f94 1985 while(tlen > 0) {
411677ae
AL		 1986 const u_char *subpptr=tptr, *subtptr;
1987 u_short subplen, subtlen;
1988
1989 subtptr=subpptr;
1990
1991 rsvp_com_header = (const struct rsvp_common_header *)subpptr;
ed775ee7
AHJ		 1992 ND_TCHECK_SIZE(rsvp_com_header);
1993 version_flags = GET_U_1(rsvp_com_header->version_flags);
c8cf0f94
PA		 1994
1995 /*
1996 * Sanity checking of the header.
1997 */
ed775ee7
AHJ		 1998 if (RSVP_EXTRACT_VERSION(version_flags) != RSVP_VERSION) {
1999 ND_PRINT("ERROR: RSVP version %u packet not supported",
2000 RSVP_EXTRACT_VERSION(version_flags));
c8cf0f94
PA		 2001 return;
2002 }
411677ae 2003
ed775ee7 2004 subplen = subtlen = GET_BE_U_2(rsvp_com_header->length);
411677ae 2005
ed775ee7
AHJ		 2006 msg_type = GET_U_1(rsvp_com_header->msg_type);
2007 ND_PRINT("\n\t RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
2008 RSVP_EXTRACT_VERSION(version_flags),
2009 tok2str(rsvp_msg_type_values, "unknown, type: %u",msg_type),
2010 msg_type,
2011 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(version_flags)),
c8cf0f94 2012 subtlen,
ed775ee7
AHJ		 2013 GET_U_1(rsvp_com_header->ttl),
2014 GET_BE_U_2(rsvp_com_header->checksum));
27bfbee1 2015
ed775ee7
AHJ		 2016 if (subtlen < sizeof(struct rsvp_common_header)) {
2017 ND_PRINT("ERROR: common header too short %u < %zu", subtlen,
2018 sizeof(struct rsvp_common_header));
c8cf0f94
PA		 2019 return;
2020 }
2021
2022 if (tlen < subtlen) {
ed775ee7
AHJ		 2023 ND_PRINT("ERROR: common header too large %u > %u", subtlen,
2024 tlen);
c8cf0f94
PA		 2025 return;
2026 }
2027
ed775ee7
AHJ		 2028 subtptr+=sizeof(struct rsvp_common_header);
2029 subtlen-=sizeof(struct rsvp_common_header);
c8cf0f94 2030
411677ae
AL		 2031 /*
2032 * Print all objects in the submessage.
2033 */
2034 if (rsvp_obj_print(ndo, subpptr, subplen, subtptr, "\n\t ", subtlen, rsvp_com_header) == -1)
c8cf0f94
PA		 2035 return;
2036
ed775ee7
AHJ		 2037 tptr+=subtlen+sizeof(struct rsvp_common_header);
2038 tlen-=subtlen+sizeof(struct rsvp_common_header);
c8cf0f94
PA		 2039 }
2040
2041 break;
2042
2043 case RSVP_MSGTYPE_PATH:
2044 case RSVP_MSGTYPE_RESV:
2045 case RSVP_MSGTYPE_PATHERR:
2046 case RSVP_MSGTYPE_RESVERR:
2047 case RSVP_MSGTYPE_PATHTEAR:
2048 case RSVP_MSGTYPE_RESVTEAR:
2049 case RSVP_MSGTYPE_RESVCONF:
2050 case RSVP_MSGTYPE_HELLO_OLD:
2051 case RSVP_MSGTYPE_HELLO:
2052 case RSVP_MSGTYPE_ACK:
2053 case RSVP_MSGTYPE_SREFRESH:
411677ae
AL		 2054 /*
2055 * Print all objects in the message.
2056 */
2057 if (rsvp_obj_print(ndo, pptr, plen, tptr, "\n\t ", tlen, rsvp_com_header) == -1)
c8cf0f94
PA		 2058 return;
2059 break;
2060
411677ae
AL		 2061 default:
2062 print_unknown_data(ndo, tptr, "\n\t ", tlen);
c8cf0f94
PA		 2063 break;
2064 }
2065
2066 return;
2067trunc:
ed775ee7 2068 nd_print_trunc(ndo);
c8cf0f94 2069}
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