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some more minor stuff and a lot of debugging stuff that will be removed later.
[dragonfly/vkernel-mp.git] / contrib / tcpdump-3.9 / print-rsvp.c
blob7eda0a6454785273cd8df17e75c0eda9aee84005
1 /*
2 * Copyright (c) 1998-2005 The TCPDUMP project
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 *
15 * Original code by Hannes Gredler (hannes@juniper.net)
16 */
17
18 #ifndef lint
19 static const char rcsid[] _U_ =
20 "@(#) $Header: /tcpdump/master/tcpdump/print-rsvp.c,v 1.33.2.9 2006/06/23 02:07:27 hannes Exp $";
21 #endif
22
23 #ifdef HAVE_CONFIG_H
24 #include "config.h"
25 #endif
26
27 #include <tcpdump-stdinc.h>
28
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <string.h>
32
33 #include "interface.h"
34 #include "extract.h"
35 #include "addrtoname.h"
36 #include "ethertype.h"
37 #include "gmpls.h"
38
39 /*
40 * RFC 2205 common header
41 *
42 * 0 1 2 3
43 * +-------------+-------------+-------------+-------------+
44 * | Vers | Flags| Msg Type | RSVP Checksum |
45 * +-------------+-------------+-------------+-------------+
46 * | Send_TTL | (Reserved) | RSVP Length |
47 * +-------------+-------------+-------------+-------------+
48 *
49 */
50
51 struct rsvp_common_header {
52 u_int8_t version_flags;
53 u_int8_t msg_type;
54 u_int8_t checksum[2];
55 u_int8_t ttl;
56 u_int8_t reserved;
57 u_int8_t length[2];
58 };
59
60 /*
61 * RFC2205 object header
62 *
63 *
64 * 0 1 2 3
65 * +-------------+-------------+-------------+-------------+
66 * | Length (bytes) | Class-Num | C-Type |
67 * +-------------+-------------+-------------+-------------+
68 * | |
69 * // (Object contents) //
70 * | |
71 * +-------------+-------------+-------------+-------------+
72 */
73
74 struct rsvp_object_header {
75 u_int8_t length[2];
76 u_int8_t class_num;
77 u_int8_t ctype;
78 };
79
80 #define RSVP_VERSION 1
81 #define RSVP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
82 #define RSVP_EXTRACT_FLAGS(x) ((x)&0x0f)
83
84 #define RSVP_MSGTYPE_PATH 1
85 #define RSVP_MSGTYPE_RESV 2
86 #define RSVP_MSGTYPE_PATHERR 3
87 #define RSVP_MSGTYPE_RESVERR 4
88 #define RSVP_MSGTYPE_PATHTEAR 5
89 #define RSVP_MSGTYPE_RESVTEAR 6
90 #define RSVP_MSGTYPE_RESVCONF 7
91 #define RSVP_MSGTYPE_AGGREGATE 12
92 #define RSVP_MSGTYPE_ACK 13
93 #define RSVP_MSGTYPE_HELLO_OLD 14 /* ancient Hellos */
94 #define RSVP_MSGTYPE_SREFRESH 15
95 #define RSVP_MSGTYPE_HELLO 20
96
97 static const struct tok rsvp_msg_type_values[] = {
98 { RSVP_MSGTYPE_PATH, "Path" },
99 { RSVP_MSGTYPE_RESV, "Resv" },
100 { RSVP_MSGTYPE_PATHERR, "PathErr" },
101 { RSVP_MSGTYPE_RESVERR, "ResvErr" },
102 { RSVP_MSGTYPE_PATHTEAR, "PathTear" },
103 { RSVP_MSGTYPE_RESVTEAR, "ResvTear" },
104 { RSVP_MSGTYPE_RESVCONF, "ResvConf" },
105 { RSVP_MSGTYPE_AGGREGATE, "Aggregate" },
106 { RSVP_MSGTYPE_ACK, "Acknowledgement" },
107 { RSVP_MSGTYPE_HELLO_OLD, "Hello (Old)" },
108 { RSVP_MSGTYPE_SREFRESH, "Refresh" },
109 { RSVP_MSGTYPE_HELLO, "Hello" },
110 { 0, NULL}
111 };
112
113 static const struct tok rsvp_header_flag_values[] = {
114 { 0x01, "Refresh reduction capable" }, /* rfc2961 */
115 { 0, NULL}
116 };
117
118 #define RSVP_OBJ_SESSION 1 /* rfc2205 */
119 #define RSVP_OBJ_RSVP_HOP 3 /* rfc2205, rfc3473 */
120 #define RSVP_OBJ_INTEGRITY 4 /* rfc2747 */
121 #define RSVP_OBJ_TIME_VALUES 5 /* rfc2205 */
122 #define RSVP_OBJ_ERROR_SPEC 6
123 #define RSVP_OBJ_SCOPE 7
124 #define RSVP_OBJ_STYLE 8 /* rfc2205 */
125 #define RSVP_OBJ_FLOWSPEC 9 /* rfc2215 */
126 #define RSVP_OBJ_FILTERSPEC 10 /* rfc2215 */
127 #define RSVP_OBJ_SENDER_TEMPLATE 11
128 #define RSVP_OBJ_SENDER_TSPEC 12 /* rfc2215 */
129 #define RSVP_OBJ_ADSPEC 13 /* rfc2215 */
130 #define RSVP_OBJ_POLICY_DATA 14
131 #define RSVP_OBJ_CONFIRM 15 /* rfc2205 */
132 #define RSVP_OBJ_LABEL 16 /* rfc3209 */
133 #define RSVP_OBJ_LABEL_REQ 19 /* rfc3209 */
134 #define RSVP_OBJ_ERO 20 /* rfc3209 */
135 #define RSVP_OBJ_RRO 21 /* rfc3209 */
136 #define RSVP_OBJ_HELLO 22 /* rfc3209 */
137 #define RSVP_OBJ_MESSAGE_ID 23
138 #define RSVP_OBJ_MESSAGE_ID_ACK 24
139 #define RSVP_OBJ_MESSAGE_ID_LIST 25
140 #define RSVP_OBJ_RECOVERY_LABEL 34 /* rfc3473 */
141 #define RSVP_OBJ_UPSTREAM_LABEL 35 /* rfc3473 */
142 #define RSVP_OBJ_LABEL_SET 36 /* rfc3473 */
143 #define RSVP_OBJ_PROTECTION 37 /* rfc3473 */
144 #define RSVP_OBJ_DETOUR 63 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */
145 #define RSVP_OBJ_CLASSTYPE 66 /* rfc4124 */
146 #define RSVP_OBJ_CLASSTYPE_OLD 125 /* draft-ietf-tewg-diff-te-proto-07 */
147 #define RSVP_OBJ_SUGGESTED_LABEL 129 /* rfc3473 */
148 #define RSVP_OBJ_ACCEPT_LABEL_SET 130 /* rfc3473 */
149 #define RSVP_OBJ_RESTART_CAPABILITY 131 /* rfc3473 */
150 #define RSVP_OBJ_NOTIFY_REQ 195 /* rfc3473 */
151 #define RSVP_OBJ_ADMIN_STATUS 196 /* rfc3473 */
152 #define RSVP_OBJ_PROPERTIES 204 /* juniper proprietary */
153 #define RSVP_OBJ_FASTREROUTE 205 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */
154 #define RSVP_OBJ_SESSION_ATTRIBUTE 207 /* rfc3209 */
155 #define RSVP_OBJ_CALL_ID 230 /* rfc3474 */
156 #define RSVP_OBJ_CALL_OPS 236 /* rfc3474 */
157
158 static const struct tok rsvp_obj_values[] = {
159 { RSVP_OBJ_SESSION, "Session" },
160 { RSVP_OBJ_RSVP_HOP, "RSVP Hop" },
161 { RSVP_OBJ_INTEGRITY, "Integrity" },
162 { RSVP_OBJ_TIME_VALUES, "Time Values" },
163 { RSVP_OBJ_ERROR_SPEC, "Error Spec" },
164 { RSVP_OBJ_SCOPE, "Scope" },
165 { RSVP_OBJ_STYLE, "Style" },
166 { RSVP_OBJ_FLOWSPEC, "Flowspec" },
167 { RSVP_OBJ_FILTERSPEC, "FilterSpec" },
168 { RSVP_OBJ_SENDER_TEMPLATE, "Sender Template" },
169 { RSVP_OBJ_SENDER_TSPEC, "Sender TSpec" },
170 { RSVP_OBJ_ADSPEC, "Adspec" },
171 { RSVP_OBJ_POLICY_DATA, "Policy Data" },
172 { RSVP_OBJ_CONFIRM, "Confirm" },
173 { RSVP_OBJ_LABEL, "Label" },
174 { RSVP_OBJ_LABEL_REQ, "Label Request" },
175 { RSVP_OBJ_ERO, "ERO" },
176 { RSVP_OBJ_RRO, "RRO" },
177 { RSVP_OBJ_HELLO, "Hello" },
178 { RSVP_OBJ_MESSAGE_ID, "Message ID" },
179 { RSVP_OBJ_MESSAGE_ID_ACK, "Message ID Ack" },
180 { RSVP_OBJ_MESSAGE_ID_LIST, "Message ID List" },
181 { RSVP_OBJ_RECOVERY_LABEL, "Recovery Label" },
182 { RSVP_OBJ_UPSTREAM_LABEL, "Upstream Label" },
183 { RSVP_OBJ_LABEL_SET, "Label Set" },
184 { RSVP_OBJ_ACCEPT_LABEL_SET, "Acceptable Label Set" },
185 { RSVP_OBJ_DETOUR, "Detour" },
186 { RSVP_OBJ_CLASSTYPE, "Class Type" },
187 { RSVP_OBJ_CLASSTYPE_OLD, "Class Type (old)" },
188 { RSVP_OBJ_SUGGESTED_LABEL, "Suggested Label" },
189 { RSVP_OBJ_PROPERTIES, "Properties" },
190 { RSVP_OBJ_FASTREROUTE, "Fast Re-Route" },
191 { RSVP_OBJ_SESSION_ATTRIBUTE, "Session Attribute" },
192 { RSVP_OBJ_CALL_ID, "Call-ID" },
193 { RSVP_OBJ_CALL_OPS, "Call Capability" },
194 { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" },
195 { RSVP_OBJ_NOTIFY_REQ, "Notify Request" },
196 { RSVP_OBJ_PROTECTION, "Protection" },
197 { RSVP_OBJ_ADMIN_STATUS, "Administrative Status" },
198 { 0, NULL}
199 };
200
201 #define RSVP_CTYPE_IPV4 1
202 #define RSVP_CTYPE_IPV6 2
203 #define RSVP_CTYPE_TUNNEL_IPV4 7
204 #define RSVP_CTYPE_TUNNEL_IPV6 8
205 #define RSVP_CTYPE_1 1
206 #define RSVP_CTYPE_2 2
207 #define RSVP_CTYPE_3 3
208 #define RSVP_CTYPE_4 4
209
210 /*
211 * the ctypes are not globally unique so for
212 * translating it to strings we build a table based
213 * on objects offsetted by the ctype
214 */
215
216 static const struct tok rsvp_ctype_values[] = {
217 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV4, "IPv4" },
218 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV6, "IPv6" },
219 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
220 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
221 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV4, "IPv4" },
222 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV6, "IPv6" },
223 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV4, "IPv4" },
224 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV6, "IPv6" },
225 { 256*RSVP_OBJ_TIME_VALUES+RSVP_CTYPE_1, "1" },
226 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_1, "obsolete" },
227 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_2, "IntServ" },
228 { 256*RSVP_OBJ_SENDER_TSPEC+RSVP_CTYPE_2, "IntServ" },
229 { 256*RSVP_OBJ_ADSPEC+RSVP_CTYPE_2, "IntServ" },
230 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV4, "IPv4" },
231 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6, "IPv6" },
232 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3, "IPv6 Flow-label" },
233 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
234 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4, "IPv4" },
235 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6, "IPv6" },
236 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
237 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV4, "IPv4" },
238 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6, "IPv6" },
239 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
240 { 256*RSVP_OBJ_MESSAGE_ID+RSVP_CTYPE_1, "1" },
241 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_1, "1" },
242 { 256*RSVP_OBJ_MESSAGE_ID_LIST+RSVP_CTYPE_1, "1" },
243 { 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1, "1" },
244 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1, "Hello Request" },
245 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2, "Hello Ack" },
246 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1, "without label range" },
247 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2, "with ATM label range" },
248 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3, "with FR label range" },
249 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4, "Generalized Label" },
250 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1, "Label" },
251 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_2, "Generalized Label" },
252 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
253 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1, "Label" },
254 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_2, "Generalized Label" },
255 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
256 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1, "Label" },
257 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_2, "Generalized Label" },
258 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
259 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_1, "Label" },
260 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_2, "Generalized Label" },
261 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
262 { 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4, "IPv4" },
263 { 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4, "IPv4" },
264 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4, "IPv4" },
265 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6, "IPv6" },
266 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
267 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
268 { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1, "IPv4" },
269 { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
270 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, /* old style*/
271 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_1, "1" }, /* new style */
272 { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
273 { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1, "1" },
274 { 256*RSVP_OBJ_CLASSTYPE+RSVP_CTYPE_1, "1" },
275 { 256*RSVP_OBJ_CLASSTYPE_OLD+RSVP_CTYPE_1, "1" },
276 { 0, NULL}
277 };
278
279 struct rsvp_obj_integrity_t {
280 u_int8_t flags;
281 u_int8_t res;
282 u_int8_t key_id[6];
283 u_int8_t sequence[8];
284 u_int8_t digest[16];
285 };
286
287 static const struct tok rsvp_obj_integrity_flag_values[] = {
288 { 0x80, "Handshake" },
289 { 0, NULL}
290 };
291
292 struct rsvp_obj_frr_t {
293 u_int8_t setup_prio;
294 u_int8_t hold_prio;
295 u_int8_t hop_limit;
296 u_int8_t flags;
297 u_int8_t bandwidth[4];
298 u_int8_t include_any[4];
299 u_int8_t exclude_any[4];
300 u_int8_t include_all[4];
301 };
302
303
304 #define RSVP_OBJ_XRO_MASK_SUBOBJ(x) ((x)&0x7f)
305 #define RSVP_OBJ_XRO_MASK_LOOSE(x) ((x)&0x80)
306
307 #define RSVP_OBJ_XRO_RES 0
308 #define RSVP_OBJ_XRO_IPV4 1
309 #define RSVP_OBJ_XRO_IPV6 2
310 #define RSVP_OBJ_XRO_ASN 32
311 #define RSVP_OBJ_XRO_MPLS 64
312
313 static const struct tok rsvp_obj_xro_values[] = {
314 { RSVP_OBJ_XRO_RES, "Reserved" },
315 { RSVP_OBJ_XRO_IPV4, "IPv4 prefix" },
316 { RSVP_OBJ_XRO_IPV6, "IPv6 prefix" },
317 { RSVP_OBJ_XRO_ASN, "Autonomous system number" },
318 { RSVP_OBJ_XRO_MPLS, "MPLS label switched path termination" },
319 { 0, NULL}
320 };
321
322 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07.txt */
323 static const struct tok rsvp_obj_rro_flag_values[] = {
324 { 0x01, "Local protection available" },
325 { 0x02, "Local protection in use" },
326 { 0x04, "Bandwidth protection" },
327 { 0x08, "Node protection" },
328 { 0, NULL}
329 };
330
331 static const struct tok rsvp_resstyle_values[] = {
332 { 17, "Wildcard Filter" },
333 { 10, "Fixed Filter" },
334 { 18, "Shared Explicit" },
335 { 0, NULL}
336 };
337
338 #define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2
339 #define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5
340
341 static const struct tok rsvp_intserv_service_type_values[] = {
342 { 1, "Default/Global Information" },
343 { RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" },
344 { RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" },
345 { 0, NULL}
346 };
347
348 static const struct tok rsvp_intserv_parameter_id_values[] = {
349 { 4, "IS hop cnt" },
350 { 6, "Path b/w estimate" },
351 { 8, "Minimum path latency" },
352 { 10, "Composed MTU" },
353 { 127, "Token Bucket TSpec" },
354 { 130, "Guaranteed Service RSpec" },
355 { 133, "End-to-end composed value for C" },
356 { 134, "End-to-end composed value for D" },
357 { 135, "Since-last-reshaping point composed C" },
358 { 136, "Since-last-reshaping point composed D" },
359 { 0, NULL}
360 };
361
362 static struct tok rsvp_session_attribute_flag_values[] = {
363 { 0x01, "Local Protection desired" },
364 { 0x02, "Label Recording desired" },
365 { 0x04, "SE Style desired" },
366 { 0x08, "Bandwidth protection desired" }, /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
367 { 0x10, "Node protection desired" }, /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
368 { 0, NULL}
369 };
370
371 static struct tok rsvp_obj_prop_tlv_values[] = {
372 { 0x01, "Cos" },
373 { 0x02, "Metric 1" },
374 { 0x04, "Metric 2" },
375 { 0x08, "CCC Status" },
376 { 0x10, "Path Type" },
377 { 0, NULL}
378 };
379
380 #define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24
381 #define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY 25
382 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 28
383 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD 125
384
385 static struct tok rsvp_obj_error_code_values[] = {
386 { RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" },
387 { RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY, "Notify Error" },
388 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE, "Diffserv TE Error" },
389 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD, "Diffserv TE Error (Old)" },
390 { 0, NULL}
391 };
392
393 static struct tok rsvp_obj_error_code_routing_values[] = {
394 { 1, "Bad EXPLICIT_ROUTE object" },
395 { 2, "Bad strict node" },
396 { 3, "Bad loose node" },
397 { 4, "Bad initial subobject" },
398 { 5, "No route available toward destination" },
399 { 6, "Unacceptable label value" },
400 { 7, "RRO indicated routing loops" },
401 { 8, "non-RSVP-capable router in the path" },
402 { 9, "MPLS label allocation failure" },
403 { 10, "Unsupported L3PID" },
404 { 0, NULL}
405 };
406
407 static struct tok rsvp_obj_error_code_diffserv_te_values[] = {
408 { 1, "Unexpected CT object" },
409 { 2, "Unsupported CT" },
410 { 3, "Invalid CT value" },
411 { 4, "CT/setup priority do not form a configured TE-Class" },
412 { 5, "CT/holding priority do not form a configured TE-Class" },
413 { 6, "CT/setup priority and CT/holding priority do not form a configured TE-Class" },
414 { 7, "Inconsistency between signaled PSC and signaled CT" },
415 { 8, "Inconsistency between signaled PHBs and signaled CT" },
416 { 0, NULL}
417 };
418
419 static int rsvp_intserv_print(const u_char *, u_short);
420
421 /*
422 * this is a dissector for all the intserv defined
423 * specs as defined per rfc2215
424 * it is called from various rsvp objects;
425 * returns the amount of bytes being processed
426 */
427 static int
428 rsvp_intserv_print(const u_char *tptr, u_short obj_tlen) {
429
430 int parameter_id,parameter_length;
431 union {
432 float f;
433 u_int32_t i;
434 } bw;
435
436 if (obj_tlen < 4)
437 return 0;
438 parameter_id = *(tptr);
439 parameter_length = EXTRACT_16BITS(tptr+2)<<2; /* convert wordcount to bytecount */
440
441 printf("\n\t Parameter ID: %s (%u), length: %u, Flags: [0x%02x]",
442 tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id),
443 parameter_id,
444 parameter_length,
445 *(tptr+1));
446
447 if (obj_tlen < parameter_length+4)
448 return 0;
449 switch(parameter_id) { /* parameter_id */
450
451 case 4:
452 /*
453 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
454 * | 4 (e) | (f) | 1 (g) |
455 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
456 * | IS hop cnt (32-bit unsigned integer) |
457 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
458 */
459 if (parameter_length == 4)
460 printf("\n\t\tIS hop count: %u", EXTRACT_32BITS(tptr+4));
461 break;
462
463 case 6:
464 /*
465 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
466 * | 6 (h) | (i) | 1 (j) |
467 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
468 * | Path b/w estimate (32-bit IEEE floating point number) |
469 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
470 */
471 if (parameter_length == 4) {
472 bw.i = EXTRACT_32BITS(tptr+4);
473 printf("\n\t\tPath b/w estimate: %.10g Mbps", bw.f/125000);
474 }
475 break;
476
477 case 8:
478 /*
479 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
480 * | 8 (k) | (l) | 1 (m) |
481 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
482 * | Minimum path latency (32-bit integer) |
483 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
484 */
485 if (parameter_length == 4) {
486 printf("\n\t\tMinimum path latency: ");
487 if (EXTRACT_32BITS(tptr+4) == 0xffffffff)
488 printf("don't care");
489 else
490 printf("%u", EXTRACT_32BITS(tptr+4));
491 }
492 break;
493
494 case 10:
495
496 /*
497 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
498 * | 10 (n) | (o) | 1 (p) |
499 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
500 * | Composed MTU (32-bit unsigned integer) |
501 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
502 */
503 if (parameter_length == 4)
504 printf("\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr+4));
505 break;
506 case 127:
507 /*
508 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
509 * | 127 (e) | 0 (f) | 5 (g) |
510 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
511 * | Token Bucket Rate [r] (32-bit IEEE floating point number) |
512 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
513 * | Token Bucket Size [b] (32-bit IEEE floating point number) |
514 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
515 * | Peak Data Rate [p] (32-bit IEEE floating point number) |
516 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
517 * | Minimum Policed Unit [m] (32-bit integer) |
518 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
519 * | Maximum Packet Size [M] (32-bit integer) |
520 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
521 */
522
523 if (parameter_length == 20) {
524 bw.i = EXTRACT_32BITS(tptr+4);
525 printf("\n\t\tToken Bucket Rate: %.10g Mbps", bw.f/125000);
526 bw.i = EXTRACT_32BITS(tptr+8);
527 printf("\n\t\tToken Bucket Size: %.10g bytes", bw.f);
528 bw.i = EXTRACT_32BITS(tptr+12);
529 printf("\n\t\tPeak Data Rate: %.10g Mbps", bw.f/125000);
530 printf("\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr+16));
531 printf("\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr+20));
532 }
533 break;
534
535 case 130:
536 /*
537 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
538 * | 130 (h) | 0 (i) | 2 (j) |
539 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
540 * | Rate [R] (32-bit IEEE floating point number) |
541 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
542 * | Slack Term [S] (32-bit integer) |
543 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
544 */
545
546 if (parameter_length == 8) {
547 bw.i = EXTRACT_32BITS(tptr+4);
548 printf("\n\t\tRate: %.10g Mbps", bw.f/125000);
549 printf("\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr+8));
550 }
551 break;
552
553 case 133:
554 case 134:
555 case 135:
556 case 136:
557 if (parameter_length == 4)
558 printf("\n\t\tValue: %u", EXTRACT_32BITS(tptr+4));
559 break;
560
561 default:
562 if (vflag <= 1)
563 print_unknown_data(tptr+4,"\n\t\t",parameter_length);
564 }
565 return (parameter_length+4); /* header length 4 bytes */
566 }
567
568 static int
569 rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) {
570
571 const struct rsvp_object_header *rsvp_obj_header;
572 const u_char *obj_tptr;
573 union {
574 const struct rsvp_obj_integrity_t *rsvp_obj_integrity;
575 const struct rsvp_obj_frr_t *rsvp_obj_frr;
576 } obj_ptr;
577
578 u_short rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen;
579 int hexdump,processed,padbytes,error_code,error_value,i;
580 union {
581 float f;
582 u_int32_t i;
583 } bw;
584 u_int8_t namelen;
585
586 while(tlen>=sizeof(struct rsvp_object_header)) {
587 /* did we capture enough for fully decoding the object header ? */
588 if (!TTEST2(*tptr, sizeof(struct rsvp_object_header)))
589 goto trunc;
590
591 rsvp_obj_header = (const struct rsvp_object_header *)tptr;
592 rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length);
593 rsvp_obj_ctype=rsvp_obj_header->ctype;
594
595 if(rsvp_obj_len % 4) {
596 printf("%sERROR: object header size %u not a multiple of 4", ident, rsvp_obj_len);
597 return -1;
598 }
599 if(rsvp_obj_len < sizeof(struct rsvp_object_header)) {
600 printf("%sERROR: object header too short %u < %lu", ident, rsvp_obj_len,
601 (unsigned long)sizeof(const struct rsvp_object_header));
602 return -1;
603 }
604
605 printf("%s%s Object (%u) Flags: [%s",
606 ident,
607 tok2str(rsvp_obj_values,
608 "Unknown",
609 rsvp_obj_header->class_num),
610 rsvp_obj_header->class_num,
611 ((rsvp_obj_header->class_num)&0x80) ? "ignore" : "reject");
612
613 if (rsvp_obj_header->class_num > 128)
614 printf(" %s",
615 ((rsvp_obj_header->class_num)&0x40) ? "and forward" : "silently");
616
617 printf(" if unknown], Class-Type: %s (%u), length: %u",
618 tok2str(rsvp_ctype_values,
619 "Unknown",
620 ((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype),
621 rsvp_obj_ctype,
622 rsvp_obj_len);
623
624 if(tlen < rsvp_obj_len) {
625 printf("%sERROR: object goes past end of objects TLV", ident);
626 return -1;
627 }
628
629 obj_tptr=tptr+sizeof(struct rsvp_object_header);
630 obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
631
632 /* did we capture enough for fully decoding the object ? */
633 if (!TTEST2(*tptr, rsvp_obj_len))
634 return -1;
635 hexdump=FALSE;
636
637 switch(rsvp_obj_header->class_num) {
638 case RSVP_OBJ_SESSION:
639 switch(rsvp_obj_ctype) {
640 case RSVP_CTYPE_IPV4:
641 if (obj_tlen < 8)
642 return -1;
643 printf("%s IPv4 DestAddress: %s, Protocol ID: 0x%02x",
644 ident,
645 ipaddr_string(obj_tptr),
646 *(obj_tptr+sizeof(struct in_addr)));
647 printf("%s Flags: [0x%02x], DestPort %u",
648 ident,
649 *(obj_tptr+5),
650 EXTRACT_16BITS(obj_tptr+6));
651 obj_tlen-=8;
652 obj_tptr+=8;
653 break;
654 #ifdef INET6
655 case RSVP_CTYPE_IPV6:
656 if (obj_tlen < 20)
657 return -1;
658 printf("%s IPv6 DestAddress: %s, Protocol ID: 0x%02x",
659 ident,
660 ip6addr_string(obj_tptr),
661 *(obj_tptr+sizeof(struct in6_addr)));
662 printf("%s Flags: [0x%02x], DestPort %u",
663 ident,
664 *(obj_tptr+sizeof(struct in6_addr)+1),
665 EXTRACT_16BITS(obj_tptr+sizeof(struct in6_addr)+2));
666 obj_tlen-=20;
667 obj_tptr+=20;
668 break;
669
670 case RSVP_CTYPE_TUNNEL_IPV6:
671 if (obj_tlen < 36)
672 return -1;
673 printf("%s IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
674 ident,
675 ip6addr_string(obj_tptr),
676 EXTRACT_16BITS(obj_tptr+18),
677 ip6addr_string(obj_tptr+20));
678 obj_tlen-=36;
679 obj_tptr+=36;
680 break;
681 #endif
682 case RSVP_CTYPE_TUNNEL_IPV4:
683 if (obj_tlen < 12)
684 return -1;
685 printf("%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
686 ident,
687 ipaddr_string(obj_tptr),
688 EXTRACT_16BITS(obj_tptr+6),
689 ipaddr_string(obj_tptr+8));
690 obj_tlen-=12;
691 obj_tptr+=12;
692 break;
693 default:
694 hexdump=TRUE;
695 }
696 break;
697
698 case RSVP_OBJ_CONFIRM:
699 switch(rsvp_obj_ctype) {
700 case RSVP_CTYPE_IPV4:
701 if (obj_tlen < sizeof(struct in_addr))
702 return -1;
703 printf("%s IPv4 Receiver Address: %s",
704 ident,
705 ipaddr_string(obj_tptr));
706 obj_tlen-=sizeof(struct in_addr);
707 obj_tptr+=sizeof(struct in_addr);
708 break;
709 #ifdef INET6
710 case RSVP_CTYPE_IPV6:
711 if (obj_tlen < sizeof(struct in6_addr))
712 return -1;
713 printf("%s IPv6 Receiver Address: %s",
714 ident,
715 ip6addr_string(obj_tptr));
716 obj_tlen-=sizeof(struct in6_addr);
717 obj_tptr+=sizeof(struct in6_addr);
718 break;
719 #endif
720 default:
721 hexdump=TRUE;
722 }
723 break;
724
725 case RSVP_OBJ_NOTIFY_REQ:
726 switch(rsvp_obj_ctype) {
727 case RSVP_CTYPE_IPV4:
728 if (obj_tlen < sizeof(struct in_addr))
729 return -1;
730 printf("%s IPv4 Notify Node Address: %s",
731 ident,
732 ipaddr_string(obj_tptr));
733 obj_tlen-=sizeof(struct in_addr);
734 obj_tptr+=sizeof(struct in_addr);
735 break;
736 #ifdef INET6
737 case RSVP_CTYPE_IPV6:
738 if (obj_tlen < sizeof(struct in6_addr))
739 return-1;
740 printf("%s IPv6 Notify Node Address: %s",
741 ident,
742 ip6addr_string(obj_tptr));
743 obj_tlen-=sizeof(struct in6_addr);
744 obj_tptr+=sizeof(struct in6_addr);
745 break;
746 #endif
747 default:
748 hexdump=TRUE;
749 }
750 break;
751
752 case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
753 case RSVP_OBJ_UPSTREAM_LABEL: /* fall through */
754 case RSVP_OBJ_RECOVERY_LABEL: /* fall through */
755 case RSVP_OBJ_LABEL:
756 switch(rsvp_obj_ctype) {
757 case RSVP_CTYPE_1:
758 while(obj_tlen >= 4 ) {
759 printf("%s Label: %u", ident, EXTRACT_32BITS(obj_tptr));
760 obj_tlen-=4;
761 obj_tptr+=4;
762 }
763 break;
764 case RSVP_CTYPE_2:
765 if (obj_tlen < 4)
766 return-1;
767 printf("%s Generalized Label: %u",
768 ident,
769 EXTRACT_32BITS(obj_tptr));
770 obj_tlen-=4;
771 obj_tptr+=4;
772 break;
773 case RSVP_CTYPE_3:
774 if (obj_tlen < 12)
775 return-1;
776 printf("%s Waveband ID: %u%s Start Label: %u, Stop Label: %u",
777 ident,
778 EXTRACT_32BITS(obj_tptr),
779 ident,
780 EXTRACT_32BITS(obj_tptr+4),
781 EXTRACT_32BITS(obj_tptr+8));
782 obj_tlen-=12;
783 obj_tptr+=12;
784 break;
785 default:
786 hexdump=TRUE;
787 }
788 break;
789
790 case RSVP_OBJ_STYLE:
791 switch(rsvp_obj_ctype) {
792 case RSVP_CTYPE_1:
793 if (obj_tlen < 4)
794 return-1;
795 printf("%s Reservation Style: %s, Flags: [0x%02x]",
796 ident,
797 tok2str(rsvp_resstyle_values,
798 "Unknown",
799 EXTRACT_24BITS(obj_tptr+1)),
800 *(obj_tptr));
801 obj_tlen-=4;
802 obj_tptr+=4;
803 break;
804 default:
805 hexdump=TRUE;
806 }
807 break;
808
809 case RSVP_OBJ_SENDER_TEMPLATE:
810 switch(rsvp_obj_ctype) {
811 case RSVP_CTYPE_IPV4:
812 if (obj_tlen < 8)
813 return-1;
814 printf("%s Source Address: %s, Source Port: %u",
815 ident,
816 ipaddr_string(obj_tptr),
817 EXTRACT_16BITS(obj_tptr+6));
818 obj_tlen-=8;
819 obj_tptr+=8;
820 break;
821 #ifdef INET6
822 case RSVP_CTYPE_IPV6:
823 if (obj_tlen < 20)
824 return-1;
825 printf("%s Source Address: %s, Source Port: %u",
826 ident,
827 ip6addr_string(obj_tptr),
828 EXTRACT_16BITS(obj_tptr+18));
829 obj_tlen-=20;
830 obj_tptr+=20;
831 break;
832 #endif
833 case RSVP_CTYPE_TUNNEL_IPV4:
834 if (obj_tlen < 8)
835 return-1;
836 printf("%s IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
837 ident,
838 ipaddr_string(obj_tptr),
839 EXTRACT_16BITS(obj_tptr+6));
840 obj_tlen-=8;
841 obj_tptr+=8;
842 break;
843 default:
844 hexdump=TRUE;
845 }
846 break;
847
848 case RSVP_OBJ_LABEL_REQ:
849 switch(rsvp_obj_ctype) {
850 case RSVP_CTYPE_1:
851 while(obj_tlen >= 4 ) {
852 printf("%s L3 Protocol ID: %s",
853 ident,
854 tok2str(ethertype_values,
855 "Unknown Protocol (0x%04x)",
856 EXTRACT_16BITS(obj_tptr+2)));
857 obj_tlen-=4;
858 obj_tptr+=4;
859 }
860 break;
861 case RSVP_CTYPE_2:
862 if (obj_tlen < 12)
863 return-1;
864 printf("%s L3 Protocol ID: %s",
865 ident,
866 tok2str(ethertype_values,
867 "Unknown Protocol (0x%04x)",
868 EXTRACT_16BITS(obj_tptr+2)));
869 printf(",%s merge capability",((*(obj_tptr+4))&0x80) ? "no" : "" );
870 printf("%s Minimum VPI/VCI: %u/%u",
871 ident,
872 (EXTRACT_16BITS(obj_tptr+4))&0xfff,
873 (EXTRACT_16BITS(obj_tptr+6))&0xfff);
874 printf("%s Maximum VPI/VCI: %u/%u",
875 ident,
876 (EXTRACT_16BITS(obj_tptr+8))&0xfff,
877 (EXTRACT_16BITS(obj_tptr+10))&0xfff);
878 obj_tlen-=12;
879 obj_tptr+=12;
880 break;
881 case RSVP_CTYPE_3:
882 if (obj_tlen < 12)
883 return-1;
884 printf("%s L3 Protocol ID: %s",
885 ident,
886 tok2str(ethertype_values,
887 "Unknown Protocol (0x%04x)",
888 EXTRACT_16BITS(obj_tptr+2)));
889 printf("%s Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI",
890 ident,
891 (EXTRACT_32BITS(obj_tptr+4))&0x7fffff,
892 (EXTRACT_32BITS(obj_tptr+8))&0x7fffff,
893 (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "",
894 (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 2 ) ? "23" : "");
895 obj_tlen-=12;
896 obj_tptr+=12;
897 break;
898 case RSVP_CTYPE_4:
899 if (obj_tlen < 8)
900 return-1;
901 printf("%s LSP Encoding Type: %s (%u)",
902 ident,
903 tok2str(gmpls_encoding_values,
904 "Unknown",
905 *obj_tptr),
906 *obj_tptr);
907 printf("%s Switching Type: %s (%u), Payload ID: %s (0x%04x)",
908 ident,
909 tok2str(gmpls_switch_cap_values,
910 "Unknown",
911 *(obj_tptr+1)),
912 *(obj_tptr+1),
913 tok2str(gmpls_payload_values,
914 "Unknown",
915 EXTRACT_16BITS(obj_tptr+2)),
916 EXTRACT_16BITS(obj_tptr+2));
917 obj_tlen-=8;
918 obj_tptr+=8;
919 break;
920 default:
921 hexdump=TRUE;
922 }
923 break;
924
925 case RSVP_OBJ_RRO:
926 case RSVP_OBJ_ERO:
927 switch(rsvp_obj_ctype) {
928 case RSVP_CTYPE_IPV4:
929 while(obj_tlen >= 4 ) {
930 printf("%s Subobject Type: %s, length %u",
931 ident,
932 tok2str(rsvp_obj_xro_values,
933 "Unknown %u",
934 RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)),
935 *(obj_tptr+1));
936
937 if (*(obj_tptr+1) == 0) { /* prevent infinite loops */
938 printf("%s ERROR: zero length ERO subtype",ident);
939 break;
940 }
941
942 switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) {
943 case RSVP_OBJ_XRO_IPV4:
944 printf(", %s, %s/%u, Flags: [%s]",
945 RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
946 ipaddr_string(obj_tptr+2),
947 *(obj_tptr+6),
948 bittok2str(rsvp_obj_rro_flag_values,
949 "none",
950 *(obj_tptr+7))); /* rfc3209 says that this field is rsvd. */
951 }
952 obj_tlen-=*(obj_tptr+1);
953 obj_tptr+=*(obj_tptr+1);
954 }
955 break;
956 default:
957 hexdump=TRUE;
958 }
959 break;
960
961 case RSVP_OBJ_HELLO:
962 switch(rsvp_obj_ctype) {
963 case RSVP_CTYPE_1:
964 case RSVP_CTYPE_2:
965 if (obj_tlen < 8)
966 return-1;
967 printf("%s Source Instance: 0x%08x, Destination Instance: 0x%08x",
968 ident,
969 EXTRACT_32BITS(obj_tptr),
970 EXTRACT_32BITS(obj_tptr+4));
971 obj_tlen-=8;
972 obj_tptr+=8;
973 break;
974 default:
975 hexdump=TRUE;
976 }
977 break;
978
979 case RSVP_OBJ_RESTART_CAPABILITY:
980 switch(rsvp_obj_ctype) {
981 case RSVP_CTYPE_1:
982 if (obj_tlen < 8)
983 return-1;
984 printf("%s Restart Time: %ums, Recovery Time: %ums",
985 ident,
986 EXTRACT_32BITS(obj_tptr),
987 EXTRACT_32BITS(obj_tptr+4));
988 obj_tlen-=8;
989 obj_tptr+=8;
990 break;
991 default:
992 hexdump=TRUE;
993 }
994 break;
995
996 case RSVP_OBJ_SESSION_ATTRIBUTE:
997 switch(rsvp_obj_ctype) {
998 case RSVP_CTYPE_TUNNEL_IPV4:
999 if (obj_tlen < 4)
1000 return-1;
1001 namelen = *(obj_tptr+3);
1002 if (obj_tlen < 4+namelen)
1003 return-1;
1004 printf("%s Session Name: ", ident);
1005 for (i = 0; i < namelen; i++)
1006 safeputchar(*(obj_tptr+4+i));
1007 printf("%s Setup Priority: %u, Holding Priority: %u, Flags: [%s]",
1008 ident,
1009 (int)*obj_tptr,
1010 (int)*(obj_tptr+1),
1011 tok2str(rsvp_session_attribute_flag_values,
1012 "none",
1013 *(obj_tptr+2)));
1014
1015 obj_tlen-=4+*(obj_tptr+3);
1016 obj_tptr+=4+*(obj_tptr+3);
1017 break;
1018 default:
1019 hexdump=TRUE;
1020 }
1021 break;
1022
1023 case RSVP_OBJ_RSVP_HOP:
1024 switch(rsvp_obj_ctype) {
1025 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1026 case RSVP_CTYPE_IPV4:
1027 if (obj_tlen < 8)
1028 return-1;
1029 printf("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1030 ident,
1031 ipaddr_string(obj_tptr),
1032 EXTRACT_32BITS(obj_tptr+4));
1033 obj_tlen-=8;
1034 obj_tptr+=8;
1035 if (obj_tlen)
1036 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1037 break;
1038 #ifdef INET6
1039 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1040 case RSVP_CTYPE_IPV6:
1041 if (obj_tlen < 20)
1042 return-1;
1043 printf("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1044 ident,
1045 ip6addr_string(obj_tptr),
1046 EXTRACT_32BITS(obj_tptr+16));
1047 obj_tlen-=20;
1048 obj_tptr+=20;
1049 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1050 break;
1051 #endif
1052 default:
1053 hexdump=TRUE;
1054 }
1055 break;
1056
1057 case RSVP_OBJ_TIME_VALUES:
1058 switch(rsvp_obj_ctype) {
1059 case RSVP_CTYPE_1:
1060 if (obj_tlen < 4)
1061 return-1;
1062 printf("%s Refresh Period: %ums",
1063 ident,
1064 EXTRACT_32BITS(obj_tptr));
1065 obj_tlen-=4;
1066 obj_tptr+=4;
1067 break;
1068 default:
1069 hexdump=TRUE;
1070 }
1071 break;
1072
1073 /* those three objects do share the same semantics */
1074 case RSVP_OBJ_SENDER_TSPEC:
1075 case RSVP_OBJ_ADSPEC:
1076 case RSVP_OBJ_FLOWSPEC:
1077 switch(rsvp_obj_ctype) {
1078 case RSVP_CTYPE_2:
1079 if (obj_tlen < 4)
1080 return-1;
1081 printf("%s Msg-Version: %u, length: %u",
1082 ident,
1083 (*obj_tptr & 0xf0) >> 4,
1084 EXTRACT_16BITS(obj_tptr+2)<<2);
1085 obj_tptr+=4; /* get to the start of the service header */
1086 obj_tlen-=4;
1087
1088 while (obj_tlen >= 4) {
1089 intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
1090 printf("%s Service Type: %s (%u), break bit %s set, Service length: %u",
1091 ident,
1092 tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)),
1093 *(obj_tptr),
1094 (*(obj_tptr+1)&0x80) ? "" : "not",
1095 intserv_serv_tlen);
1096
1097 obj_tptr+=4; /* get to the start of the parameter list */
1098 obj_tlen-=4;
1099
1100 while (intserv_serv_tlen>=4) {
1101 processed = rsvp_intserv_print(obj_tptr, obj_tlen);
1102 if (processed == 0)
1103 break;
1104 obj_tlen-=processed;
1105 intserv_serv_tlen-=processed;
1106 obj_tptr+=processed;
1107 }
1108 }
1109 break;
1110 default:
1111 hexdump=TRUE;
1112 }
1113 break;
1114
1115 case RSVP_OBJ_FILTERSPEC:
1116 switch(rsvp_obj_ctype) {
1117 case RSVP_CTYPE_IPV4:
1118 if (obj_tlen < 8)
1119 return-1;
1120 printf("%s Source Address: %s, Source Port: %u",
1121 ident,
1122 ipaddr_string(obj_tptr),
1123 EXTRACT_16BITS(obj_tptr+6));
1124 obj_tlen-=8;
1125 obj_tptr+=8;
1126 break;
1127 #ifdef INET6
1128 case RSVP_CTYPE_IPV6:
1129 if (obj_tlen < 20)
1130 return-1;
1131 printf("%s Source Address: %s, Source Port: %u",
1132 ident,
1133 ip6addr_string(obj_tptr),
1134 EXTRACT_16BITS(obj_tptr+18));
1135 obj_tlen-=20;
1136 obj_tptr+=20;
1137 break;
1138 case RSVP_CTYPE_3:
1139 if (obj_tlen < 20)
1140 return-1;
1141 printf("%s Source Address: %s, Flow Label: %u",
1142 ident,
1143 ip6addr_string(obj_tptr),
1144 EXTRACT_24BITS(obj_tptr+17));
1145 obj_tlen-=20;
1146 obj_tptr+=20;
1147 break;
1148 case RSVP_CTYPE_TUNNEL_IPV6:
1149 if (obj_tlen < 20)
1150 return-1;
1151 printf("%s Source Address: %s, LSP-ID: 0x%04x",
1152 ident,
1153 ipaddr_string(obj_tptr),
1154 EXTRACT_16BITS(obj_tptr+18));
1155 obj_tlen-=20;
1156 obj_tptr+=20;
1157 break;
1158 #endif
1159 case RSVP_CTYPE_TUNNEL_IPV4:
1160 if (obj_tlen < 8)
1161 return-1;
1162 printf("%s Source Address: %s, LSP-ID: 0x%04x",
1163 ident,
1164 ipaddr_string(obj_tptr),
1165 EXTRACT_16BITS(obj_tptr+6));
1166 obj_tlen-=8;
1167 obj_tptr+=8;
1168 break;
1169 default:
1170 hexdump=TRUE;
1171 }
1172 break;
1173
1174 case RSVP_OBJ_FASTREROUTE:
1175 /* the differences between c-type 1 and 7 are minor */
1176 obj_ptr.rsvp_obj_frr = (const struct rsvp_obj_frr_t *)obj_tptr;
1177 bw.i = EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->bandwidth);
1178
1179 switch(rsvp_obj_ctype) {
1180 case RSVP_CTYPE_1: /* new style */
1181 if (obj_tlen < sizeof(struct rsvp_obj_frr_t))
1182 return-1;
1183 printf("%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1184 ident,
1185 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1186 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1187 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1188 bw.f*8/1000000);
1189 printf("%s Include-any: 0x%08x, Exclude-any: 0x%08x, Include-all: 0x%08x",
1190 ident,
1191 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1192 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any),
1193 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_all));
1194 obj_tlen-=sizeof(struct rsvp_obj_frr_t);
1195 obj_tptr+=sizeof(struct rsvp_obj_frr_t);
1196 break;
1197
1198 case RSVP_CTYPE_TUNNEL_IPV4: /* old style */
1199 if (obj_tlen < 16)
1200 return-1;
1201 printf("%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1202 ident,
1203 (int)obj_ptr.rsvp_obj_frr->setup_prio,
1204 (int)obj_ptr.rsvp_obj_frr->hold_prio,
1205 (int)obj_ptr.rsvp_obj_frr->hop_limit,
1206 bw.f*8/1000000);
1207 printf("%s Include Colors: 0x%08x, Exclude Colors: 0x%08x",
1208 ident,
1209 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1210 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any));
1211 obj_tlen-=16;
1212 obj_tptr+=16;
1213 break;
1214
1215 default:
1216 hexdump=TRUE;
1217 }
1218 break;
1219
1220 case RSVP_OBJ_DETOUR:
1221 switch(rsvp_obj_ctype) {
1222 case RSVP_CTYPE_TUNNEL_IPV4:
1223 while(obj_tlen >= 8) {
1224 printf("%s PLR-ID: %s, Avoid-Node-ID: %s",
1225 ident,
1226 ipaddr_string(obj_tptr),
1227 ipaddr_string(obj_tptr+4));
1228 obj_tlen-=8;
1229 obj_tptr+=8;
1230 }
1231 break;
1232 default:
1233 hexdump=TRUE;
1234 }
1235 break;
1236
1237 case RSVP_OBJ_CLASSTYPE:
1238 case RSVP_OBJ_CLASSTYPE_OLD: /* fall through */
1239 switch(rsvp_obj_ctype) {
1240 case RSVP_CTYPE_1:
1241 printf("%s CT: %u",
1242 ident,
1243 EXTRACT_32BITS(obj_tptr)&0x7);
1244 obj_tlen-=4;
1245 obj_tptr+=4;
1246 break;
1247 default:
1248 hexdump=TRUE;
1249 }
1250 break;
1251
1252 case RSVP_OBJ_ERROR_SPEC:
1253 switch(rsvp_obj_ctype) {
1254 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1255 case RSVP_CTYPE_IPV4:
1256 if (obj_tlen < 8)
1257 return-1;
1258 error_code=*(obj_tptr+5);
1259 error_value=EXTRACT_16BITS(obj_tptr+6);
1260 printf("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1261 ident,
1262 ipaddr_string(obj_tptr),
1263 *(obj_tptr+4),
1264 ident,
1265 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1266 error_code);
1267 switch (error_code) {
1268 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1269 printf(", Error Value: %s (%u)",
1270 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1271 error_value);
1272 break;
1273 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE: /* fall through */
1274 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD:
1275 printf(", Error Value: %s (%u)",
1276 tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value),
1277 error_value);
1278 break;
1279 default:
1280 printf(", Unknown Error Value (%u)", error_value);
1281 break;
1282 }
1283 obj_tlen-=8;
1284 obj_tptr+=8;
1285 break;
1286 #ifdef INET6
1287 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1288 case RSVP_CTYPE_IPV6:
1289 if (obj_tlen < 20)
1290 return-1;
1291 error_code=*(obj_tptr+17);
1292 error_value=EXTRACT_16BITS(obj_tptr+18);
1293 printf("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
1294 ident,
1295 ip6addr_string(obj_tptr),
1296 *(obj_tptr+16),
1297 ident,
1298 tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1299 error_code);
1300
1301 switch (error_code) {
1302 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1303 printf(", Error Value: %s (%u)",
1304 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1305 error_value);
1306 break;
1307 default:
1308 break;
1309 }
1310 obj_tlen-=20;
1311 obj_tptr+=20;
1312 break;
1313 #endif
1314 default:
1315 hexdump=TRUE;
1316 }
1317 break;
1318
1319 case RSVP_OBJ_PROPERTIES:
1320 switch(rsvp_obj_ctype) {
1321 case RSVP_CTYPE_1:
1322 if (obj_tlen < 4)
1323 return-1;
1324 padbytes = EXTRACT_16BITS(obj_tptr+2);
1325 printf("%s TLV count: %u, padding bytes: %u",
1326 ident,
1327 EXTRACT_16BITS(obj_tptr),
1328 padbytes);
1329 obj_tlen-=4;
1330 obj_tptr+=4;
1331 /* loop through as long there is anything longer than the TLV header (2) */
1332 while(obj_tlen >= 2 + padbytes) {
1333 printf("%s %s TLV (0x%02x), length: %u", /* length includes header */
1334 ident,
1335 tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
1336 *obj_tptr,
1337 *(obj_tptr+1));
1338 if (obj_tlen < *(obj_tptr+1))
1339 return-1;
1340 if (*(obj_tptr+1) < 2)
1341 return -1;
1342 print_unknown_data(obj_tptr+2,"\n\t\t",*(obj_tptr+1)-2);
1343 obj_tlen-=*(obj_tptr+1);
1344 obj_tptr+=*(obj_tptr+1);
1345 }
1346 break;
1347 default:
1348 hexdump=TRUE;
1349 }
1350 break;
1351
1352 case RSVP_OBJ_MESSAGE_ID: /* fall through */
1353 case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */
1354 case RSVP_OBJ_MESSAGE_ID_LIST:
1355 switch(rsvp_obj_ctype) {
1356 case RSVP_CTYPE_1:
1357 if (obj_tlen < 8)
1358 return-1;
1359 printf("%s Flags [0x%02x], epoch: %u",
1360 ident,
1361 *obj_tptr,
1362 EXTRACT_24BITS(obj_tptr+1));
1363 obj_tlen-=4;
1364 obj_tptr+=4;
1365 /* loop through as long there are no messages left */
1366 while(obj_tlen >= 4) {
1367 printf("%s Message-ID 0x%08x (%u)",
1368 ident,
1369 EXTRACT_32BITS(obj_tptr),
1370 EXTRACT_32BITS(obj_tptr));
1371 obj_tlen-=4;
1372 obj_tptr+=4;
1373 }
1374 break;
1375 default:
1376 hexdump=TRUE;
1377 }
1378 break;
1379
1380 case RSVP_OBJ_INTEGRITY:
1381 switch(rsvp_obj_ctype) {
1382 case RSVP_CTYPE_1:
1383 if (obj_tlen < sizeof(struct rsvp_obj_integrity_t))
1384 return-1;
1385 obj_ptr.rsvp_obj_integrity = (const struct rsvp_obj_integrity_t *)obj_tptr;
1386 printf("%s Key-ID 0x%04x%08x, Sequence 0x%08x%08x, Flags [%s]",
1387 ident,
1388 EXTRACT_16BITS(obj_ptr.rsvp_obj_integrity->key_id),
1389 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->key_id+2),
1390 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence),
1391 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence+4),
1392 bittok2str(rsvp_obj_integrity_flag_values,
1393 "none",
1394 obj_ptr.rsvp_obj_integrity->flags));
1395 printf("%s MD5-sum 0x%08x%08x%08x%08x (unverified)",
1396 ident,
1397 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest),
1398 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+4),
1399 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+8),
1400 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+12));
1401 obj_tlen+=sizeof(struct rsvp_obj_integrity_t);
1402 obj_tptr+=sizeof(struct rsvp_obj_integrity_t);
1403 break;
1404 default:
1405 hexdump=TRUE;
1406 }
1407 break;
1408
1409 /*
1410 * FIXME those are the defined objects that lack a decoder
1411 * you are welcome to contribute code ;-)
1412 */
1413
1414 case RSVP_OBJ_SCOPE:
1415 case RSVP_OBJ_POLICY_DATA:
1416 case RSVP_OBJ_LABEL_SET:
1417 case RSVP_OBJ_ACCEPT_LABEL_SET:
1418 case RSVP_OBJ_PROTECTION:
1419 default:
1420 if (vflag <= 1)
1421 print_unknown_data(obj_tptr,"\n\t ",obj_tlen); /* FIXME indentation */
1422 break;
1423 }
1424 /* do we also want to see a hex dump ? */
1425 if (vflag > 1 || hexdump==TRUE)
1426 print_unknown_data(tptr+sizeof(sizeof(struct rsvp_object_header)),"\n\t ", /* FIXME indentation */
1427 rsvp_obj_len-sizeof(struct rsvp_object_header));
1428
1429 tptr+=rsvp_obj_len;
1430 tlen-=rsvp_obj_len;
1431 }
1432 return 0;
1433 trunc:
1434 printf("\n\t\t packet exceeded snapshot");
1435 return -1;
1436 }
1437
1438
1439 void
1440 rsvp_print(register const u_char *pptr, register u_int len) {
1441
1442 const struct rsvp_common_header *rsvp_com_header;
1443 const u_char *tptr,*subtptr;
1444 u_short tlen,subtlen;
1445
1446 tptr=pptr;
1447
1448 rsvp_com_header = (const struct rsvp_common_header *)pptr;
1449 TCHECK(*rsvp_com_header);
1450
1451 /*
1452 * Sanity checking of the header.
1453 */
1454 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1455 printf("ERROR: RSVP version %u packet not supported",
1456 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags));
1457 return;
1458 }
1459
1460 /* in non-verbose mode just lets print the basic Message Type*/
1461 if (vflag < 1) {
1462 printf("RSVPv%u %s Message, length: %u",
1463 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1464 tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
1465 len);
1466 return;
1467 }
1468
1469 /* ok they seem to want to know everything - lets fully decode it */
1470
1471 tlen=EXTRACT_16BITS(rsvp_com_header->length);
1472
1473 printf("\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1474 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1475 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1476 rsvp_com_header->msg_type,
1477 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1478 tlen,
1479 rsvp_com_header->ttl,
1480 EXTRACT_16BITS(rsvp_com_header->checksum));
1481
1482 if (tlen < sizeof(const struct rsvp_common_header)) {
1483 printf("ERROR: common header too short %u < %lu", tlen,
1484 (unsigned long)sizeof(const struct rsvp_common_header));
1485 return;
1486 }
1487
1488 tptr+=sizeof(const struct rsvp_common_header);
1489 tlen-=sizeof(const struct rsvp_common_header);
1490
1491 switch(rsvp_com_header->msg_type) {
1492
1493 case RSVP_MSGTYPE_AGGREGATE:
1494 while(tlen > 0) {
1495 subtptr=tptr;
1496 rsvp_com_header = (const struct rsvp_common_header *)subtptr;
1497 TCHECK(*rsvp_com_header);
1498
1499 /*
1500 * Sanity checking of the header.
1501 */
1502 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1503 printf("ERROR: RSVP version %u packet not supported",
1504 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags));
1505 return;
1506 }
1507 subtlen=EXTRACT_16BITS(rsvp_com_header->length);
1508
1509 printf("\n\t RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1510 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1511 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1512 rsvp_com_header->msg_type,
1513 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1514 subtlen,
1515 rsvp_com_header->ttl,
1516 EXTRACT_16BITS(rsvp_com_header->checksum));
1517
1518 if (subtlen < sizeof(const struct rsvp_common_header)) {
1519 printf("ERROR: common header too short %u < %lu", subtlen,
1520 (unsigned long)sizeof(const struct rsvp_common_header));
1521 return;
1522 }
1523
1524 if (tlen < subtlen) {
1525 printf("ERROR: common header too large %u > %u", subtlen,
1526 tlen);
1527 return;
1528 }
1529
1530 subtptr+=sizeof(const struct rsvp_common_header);
1531 subtlen-=sizeof(const struct rsvp_common_header);
1532
1533 if (rsvp_obj_print(subtptr,"\n\t ", subtlen) == -1)
1534 return;
1535
1536 tptr+=subtlen+sizeof(const struct rsvp_common_header);
1537 tlen-=subtlen+sizeof(const struct rsvp_common_header);
1538 }
1539
1540 break;
1541
1542 case RSVP_MSGTYPE_PATH:
1543 case RSVP_MSGTYPE_RESV:
1544 case RSVP_MSGTYPE_PATHERR:
1545 case RSVP_MSGTYPE_RESVERR:
1546 case RSVP_MSGTYPE_PATHTEAR:
1547 case RSVP_MSGTYPE_RESVTEAR:
1548 case RSVP_MSGTYPE_RESVCONF:
1549 case RSVP_MSGTYPE_HELLO_OLD:
1550 case RSVP_MSGTYPE_HELLO:
1551 case RSVP_MSGTYPE_ACK:
1552 case RSVP_MSGTYPE_SREFRESH:
1553 if (rsvp_obj_print(tptr,"\n\t ", tlen) == -1)
1554 return;
1555 break;
1556
1557 default:
1558 print_unknown_data(tptr,"\n\t ",tlen);
1559 break;
1560 }
1561
1562 return;
1563 trunc:
1564 printf("\n\t\t packet exceeded snapshot");
1565 }
DragonFly vkernel multiprocessor port