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(for 4.9.3) CVE-2018-14880/OSPFv3: Fix a bounds check
[tcpdump] / print-lmp.c
1 /*
2 * Redistribution and use in source and binary forms, with or without
3 * modification, are permitted provided that: (1) source code
4 * distributions retain the above copyright notice and this paragraph
5 * in its entirety, and (2) distributions including binary code include
6 * the above copyright notice and this paragraph in its entirety in
7 * the documentation or other materials provided with the distribution.
8 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
9 * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
10 * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
11 * FOR A PARTICULAR PURPOSE.
12 *
13 * Original code by Hannes Gredler (hannes@gredler.at)
14 * Support for LMP service discovery extensions (defined by OIF UNI 1.0)
15 * added by Manu Pathak (mapathak@cisco.com), May 2005
16 */
17
18 /* \summary: Link Management Protocol (LMP) printer */
19
20 /* specification: RFC 4204 */
21 /* OIF UNI 1.0: http://www.oiforum.com/public/documents/OIF-UNI-01.0.pdf */
22
23 #ifdef HAVE_CONFIG_H
24 #include "config.h"
25 #endif
26
27 #include <netdissect-stdinc.h>
28
29 #include "netdissect.h"
30 #include "extract.h"
31 #include "addrtoname.h"
32 #include "gmpls.h"
33
34 static const char tstr[] = " [|LMP]";
35
36 /*
37 * LMP common header
38 *
39 * 0 1 2 3
40 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
41 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
42 * | Vers | (Reserved) | Flags | Msg Type |
43 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
44 * | LMP Length | (Reserved) |
45 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
46 */
47
48 struct lmp_common_header {
49 uint8_t version_res[2];
50 uint8_t flags;
51 uint8_t msg_type;
52 uint8_t length[2];
53 uint8_t reserved[2];
54 };
55
56 #define LMP_VERSION 1
57 #define LMP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
58
59 static const struct tok lmp_header_flag_values[] = {
60 { 0x01, "Control Channel Down"},
61 { 0x02, "LMP restart"},
62 { 0, NULL}
63 };
64
65 static const struct tok lmp_obj_te_link_flag_values[] = {
66 { 0x01, "Fault Management Supported"},
67 { 0x02, "Link Verification Supported"},
68 { 0, NULL}
69 };
70
71 static const struct tok lmp_obj_data_link_flag_values[] = {
72 { 0x01, "Data Link Port"},
73 { 0x02, "Allocated for user traffic"},
74 { 0x04, "Failed link"},
75 { 0, NULL}
76 };
77
78 static const struct tok lmp_obj_channel_status_values[] = {
79 { 1, "Signal Okay"},
80 { 2, "Signal Degraded"},
81 { 3, "Signal Fail"},
82 { 0, NULL}
83 };
84
85 static const struct tok lmp_obj_begin_verify_flag_values[] = {
86 { 0x0001, "Verify all links"},
87 { 0x0002, "Data link type"},
88 { 0, NULL}
89 };
90
91 static const struct tok lmp_obj_begin_verify_error_values[] = {
92 { 0x01, "Link Verification Procedure Not supported"},
93 { 0x02, "Unwilling to verify"},
94 { 0x04, "Unsupported verification transport mechanism"},
95 { 0x08, "Link-Id configuration error"},
96 { 0x10, "Unknown object c-type"},
97 { 0, NULL}
98 };
99
100 static const struct tok lmp_obj_link_summary_error_values[] = {
101 { 0x01, "Unacceptable non-negotiable LINK-SUMMARY parameters"},
102 { 0x02, "Renegotiate LINK-SUMMARY parameters"},
103 { 0x04, "Invalid TE-LINK Object"},
104 { 0x08, "Invalid DATA-LINK Object"},
105 { 0x10, "Unknown TE-LINK Object c-type"},
106 { 0x20, "Unknown DATA-LINK Object c-type"},
107 { 0, NULL}
108 };
109
110 /* Service Config Supported Protocols Flags */
111 static const struct tok lmp_obj_service_config_sp_flag_values[] = {
112 { 0x01, "RSVP Supported"},
113 { 0x02, "LDP Supported"},
114 { 0, NULL}
115 };
116
117 /* Service Config Client Port Service Attribute Transparency Flags */
118 static const struct tok lmp_obj_service_config_cpsa_tp_flag_values[] = {
119 { 0x01, "Path/VC Overhead Transparency Supported"},
120 { 0x02, "Line/MS Overhead Transparency Supported"},
121 { 0x04, "Section/RS Overhead Transparency Supported"},
122 { 0, NULL}
123 };
124
125 /* Service Config Client Port Service Attribute Contiguous Concatenation Types Flags */
126 static const struct tok lmp_obj_service_config_cpsa_cct_flag_values[] = {
127 { 0x01, "Contiguous Concatenation Types Supported"},
128 { 0, NULL}
129 };
130
131 /* Service Config Network Service Attributes Transparency Flags */
132 static const struct tok lmp_obj_service_config_nsa_transparency_flag_values[] = {
133 { 0x01, "Standard SOH/RSOH Transparency Supported"},
134 { 0x02, "Standard LOH/MSOH Transparency Supported"},
135 { 0, NULL}
136 };
137
138 /* Service Config Network Service Attributes TCM Monitoring Flags */
139 static const struct tok lmp_obj_service_config_nsa_tcm_flag_values[] = {
140 { 0x01, "Transparent Tandem Connection Monitoring Supported"},
141 { 0, NULL}
142 };
143
144 /* Network Service Attributes Network Diversity Flags */
145 static const struct tok lmp_obj_service_config_nsa_network_diversity_flag_values[] = {
146 { 0x01, "Node Diversity Supported"},
147 { 0x02, "Link Diversity Supported"},
148 { 0x04, "SRLG Diversity Supported"},
149 { 0, NULL}
150 };
151
152 #define LMP_MSGTYPE_CONFIG 1
153 #define LMP_MSGTYPE_CONFIG_ACK 2
154 #define LMP_MSGTYPE_CONFIG_NACK 3
155 #define LMP_MSGTYPE_HELLO 4
156 #define LMP_MSGTYPE_VERIFY_BEGIN 5
157 #define LMP_MSGTYPE_VERIFY_BEGIN_ACK 6
158 #define LMP_MSGTYPE_VERIFY_BEGIN_NACK 7
159 #define LMP_MSGTYPE_VERIFY_END 8
160 #define LMP_MSGTYPE_VERIFY_END_ACK 9
161 #define LMP_MSGTYPE_TEST 10
162 #define LMP_MSGTYPE_TEST_STATUS_SUCCESS 11
163 #define LMP_MSGTYPE_TEST_STATUS_FAILURE 12
164 #define LMP_MSGTYPE_TEST_STATUS_ACK 13
165 #define LMP_MSGTYPE_LINK_SUMMARY 14
166 #define LMP_MSGTYPE_LINK_SUMMARY_ACK 15
167 #define LMP_MSGTYPE_LINK_SUMMARY_NACK 16
168 #define LMP_MSGTYPE_CHANNEL_STATUS 17
169 #define LMP_MSGTYPE_CHANNEL_STATUS_ACK 18
170 #define LMP_MSGTYPE_CHANNEL_STATUS_REQ 19
171 #define LMP_MSGTYPE_CHANNEL_STATUS_RESP 20
172 /* LMP Service Discovery message types defined by UNI 1.0 */
173 #define LMP_MSGTYPE_SERVICE_CONFIG 50
174 #define LMP_MSGTYPE_SERVICE_CONFIG_ACK 51
175 #define LMP_MSGTYPE_SERVICE_CONFIG_NACK 52
176
177 static const struct tok lmp_msg_type_values[] = {
178 { LMP_MSGTYPE_CONFIG, "Config"},
179 { LMP_MSGTYPE_CONFIG_ACK, "Config ACK"},
180 { LMP_MSGTYPE_CONFIG_NACK, "Config NACK"},
181 { LMP_MSGTYPE_HELLO, "Hello"},
182 { LMP_MSGTYPE_VERIFY_BEGIN, "Begin Verify"},
183 { LMP_MSGTYPE_VERIFY_BEGIN_ACK, "Begin Verify ACK"},
184 { LMP_MSGTYPE_VERIFY_BEGIN_NACK, "Begin Verify NACK"},
185 { LMP_MSGTYPE_VERIFY_END, "End Verify"},
186 { LMP_MSGTYPE_VERIFY_END_ACK, "End Verify ACK"},
187 { LMP_MSGTYPE_TEST, "Test"},
188 { LMP_MSGTYPE_TEST_STATUS_SUCCESS, "Test Status Success"},
189 { LMP_MSGTYPE_TEST_STATUS_FAILURE, "Test Status Failure"},
190 { LMP_MSGTYPE_TEST_STATUS_ACK, "Test Status ACK"},
191 { LMP_MSGTYPE_LINK_SUMMARY, "Link Summary"},
192 { LMP_MSGTYPE_LINK_SUMMARY_ACK, "Link Summary ACK"},
193 { LMP_MSGTYPE_LINK_SUMMARY_NACK, "Link Summary NACK"},
194 { LMP_MSGTYPE_CHANNEL_STATUS, "Channel Status"},
195 { LMP_MSGTYPE_CHANNEL_STATUS_ACK, "Channel Status ACK"},
196 { LMP_MSGTYPE_CHANNEL_STATUS_REQ, "Channel Status Request"},
197 { LMP_MSGTYPE_CHANNEL_STATUS_RESP, "Channel Status Response"},
198 { LMP_MSGTYPE_SERVICE_CONFIG, "Service Config"},
199 { LMP_MSGTYPE_SERVICE_CONFIG_ACK, "Service Config ACK"},
200 { LMP_MSGTYPE_SERVICE_CONFIG_NACK, "Service Config NACK"},
201 { 0, NULL}
202 };
203
204 /*
205 * LMP object header
206 *
207 * 0 1 2 3
208 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
209 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
210 * |N| C-Type | Class | Length |
211 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
212 * | |
213 * // (object contents) //
214 * | |
215 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
216 */
217
218 struct lmp_object_header {
219 uint8_t ctype;
220 uint8_t class_num;
221 uint8_t length[2];
222 };
223
224 #define LMP_OBJ_CC_ID 1
225 #define LMP_OBJ_NODE_ID 2
226 #define LMP_OBJ_LINK_ID 3
227 #define LMP_OBJ_INTERFACE_ID 4
228 #define LMP_OBJ_MESSAGE_ID 5
229 #define LMP_OBJ_CONFIG 6
230 #define LMP_OBJ_HELLO 7
231 #define LMP_OBJ_VERIFY_BEGIN 8
232 #define LMP_OBJ_VERIFY_BEGIN_ACK 9
233 #define LMP_OBJ_VERIFY_ID 10
234 #define LMP_OBJ_TE_LINK 11
235 #define LMP_OBJ_DATA_LINK 12
236 #define LMP_OBJ_CHANNEL_STATUS 13
237 #define LMP_OBJ_CHANNEL_STATUS_REQ 14
238 #define LMP_OBJ_ERROR_CODE 20
239
240 #define LMP_OBJ_SERVICE_CONFIG 51 /* defined in UNI 1.0 */
241
242 static const struct tok lmp_obj_values[] = {
243 { LMP_OBJ_CC_ID, "Control Channel ID" },
244 { LMP_OBJ_NODE_ID, "Node ID" },
245 { LMP_OBJ_LINK_ID, "Link ID" },
246 { LMP_OBJ_INTERFACE_ID, "Interface ID" },
247 { LMP_OBJ_MESSAGE_ID, "Message ID" },
248 { LMP_OBJ_CONFIG, "Configuration" },
249 { LMP_OBJ_HELLO, "Hello" },
250 { LMP_OBJ_VERIFY_BEGIN, "Verify Begin" },
251 { LMP_OBJ_VERIFY_BEGIN_ACK, "Verify Begin ACK" },
252 { LMP_OBJ_VERIFY_ID, "Verify ID" },
253 { LMP_OBJ_TE_LINK, "TE Link" },
254 { LMP_OBJ_DATA_LINK, "Data Link" },
255 { LMP_OBJ_CHANNEL_STATUS, "Channel Status" },
256 { LMP_OBJ_CHANNEL_STATUS_REQ, "Channel Status Request" },
257 { LMP_OBJ_ERROR_CODE, "Error Code" },
258 { LMP_OBJ_SERVICE_CONFIG, "Service Config" },
259
260 { 0, NULL}
261 };
262
263 #define INT_SWITCHING_TYPE_SUBOBJ 1
264 #define WAVELENGTH_SUBOBJ 2
265
266 static const struct tok lmp_data_link_subobj[] = {
267 { INT_SWITCHING_TYPE_SUBOBJ, "Interface Switching Type" },
268 { WAVELENGTH_SUBOBJ , "Wavelength" },
269 { 0, NULL}
270 };
271
272 #define LMP_CTYPE_IPV4 1
273 #define LMP_CTYPE_IPV6 2
274
275 #define LMP_CTYPE_LOC 1
276 #define LMP_CTYPE_RMT 2
277 #define LMP_CTYPE_UNMD 3
278
279 #define LMP_CTYPE_IPV4_LOC 1
280 #define LMP_CTYPE_IPV4_RMT 2
281 #define LMP_CTYPE_IPV6_LOC 3
282 #define LMP_CTYPE_IPV6_RMT 4
283 #define LMP_CTYPE_UNMD_LOC 5
284 #define LMP_CTYPE_UNMD_RMT 6
285
286 #define LMP_CTYPE_1 1
287 #define LMP_CTYPE_2 2
288
289 #define LMP_CTYPE_HELLO_CONFIG 1
290 #define LMP_CTYPE_HELLO 1
291
292 #define LMP_CTYPE_BEGIN_VERIFY_ERROR 1
293 #define LMP_CTYPE_LINK_SUMMARY_ERROR 2
294
295 /* C-Types for Service Config Object */
296 #define LMP_CTYPE_SERVICE_CONFIG_SP 1
297 #define LMP_CTYPE_SERVICE_CONFIG_CPSA 2
298 #define LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM 3
299 #define LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY 4
300
301 /*
302 * Different link types allowed in the Client Port Service Attributes
303 * subobject defined for LMP Service Discovery in the UNI 1.0 spec
304 */
305 #define LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH 5 /* UNI 1.0 Sec 9.4.2 */
306 #define LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET 6 /* UNI 1.0 Sec 9.4.2 */
307
308 /*
309 * the ctypes are not globally unique so for
310 * translating it to strings we build a table based
311 * on objects offsetted by the ctype
312 */
313
314 static const struct tok lmp_ctype_values[] = {
315 { 256*LMP_OBJ_CC_ID+LMP_CTYPE_LOC, "Local" },
316 { 256*LMP_OBJ_CC_ID+LMP_CTYPE_RMT, "Remote" },
317 { 256*LMP_OBJ_NODE_ID+LMP_CTYPE_LOC, "Local" },
318 { 256*LMP_OBJ_NODE_ID+LMP_CTYPE_RMT, "Remote" },
319 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV4_LOC, "IPv4 Local" },
320 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV4_RMT, "IPv4 Remote" },
321 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV6_LOC, "IPv6 Local" },
322 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV6_RMT, "IPv6 Remote" },
323 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_UNMD_LOC, "Unnumbered Local" },
324 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_UNMD_RMT, "Unnumbered Remote" },
325 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV4_LOC, "IPv4 Local" },
326 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV4_RMT, "IPv4 Remote" },
327 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV6_LOC, "IPv6 Local" },
328 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV6_RMT, "IPv6 Remote" },
329 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_UNMD_LOC, "Unnumbered Local" },
330 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_UNMD_RMT, "Unnumbered Remote" },
331 { 256*LMP_OBJ_MESSAGE_ID+LMP_CTYPE_1, "1" },
332 { 256*LMP_OBJ_MESSAGE_ID+LMP_CTYPE_2, "2" },
333 { 256*LMP_OBJ_CONFIG+LMP_CTYPE_1, "1" },
334 { 256*LMP_OBJ_HELLO+LMP_CTYPE_1, "1" },
335 { 256*LMP_OBJ_VERIFY_BEGIN+LMP_CTYPE_1, "1" },
336 { 256*LMP_OBJ_VERIFY_BEGIN_ACK+LMP_CTYPE_1, "1" },
337 { 256*LMP_OBJ_VERIFY_ID+LMP_CTYPE_1, "1" },
338 { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_IPV4, "IPv4" },
339 { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_IPV6, "IPv6" },
340 { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_UNMD, "Unnumbered" },
341 { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_IPV4, "IPv4" },
342 { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_IPV6, "IPv6" },
343 { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_UNMD, "Unnumbered" },
344 { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_IPV4, "IPv4" },
345 { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_IPV6, "IPv6" },
346 { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_UNMD, "Unnumbered" },
347 { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_IPV4, "IPv4" },
348 { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_IPV6, "IPv6" },
349 { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_UNMD, "Unnumbered" },
350 { 256*LMP_OBJ_ERROR_CODE+LMP_CTYPE_1, "1" },
351 { 256*LMP_OBJ_ERROR_CODE+LMP_CTYPE_2, "2" },
352 { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_SP, "1" },
353 { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_CPSA, "2" },
354 { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM, "3" },
355 { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY, "4" },
356 { 0, NULL}
357 };
358
359 static int
360 lmp_print_data_link_subobjs(netdissect_options *ndo, const u_char *obj_tptr,
361 int total_subobj_len, int offset)
362 {
363 int hexdump = FALSE;
364 int subobj_type, subobj_len;
365
366 union { /* int to float conversion buffer */
367 float f;
368 uint32_t i;
369 } bw;
370
371 while (total_subobj_len > 0 && hexdump == FALSE ) {
372 ND_TCHECK_16BITS(obj_tptr + offset);
373 subobj_type = EXTRACT_8BITS(obj_tptr + offset);
374 subobj_len = EXTRACT_8BITS(obj_tptr + offset + 1);
375 ND_PRINT((ndo, "\n\t Subobject, Type: %s (%u), Length: %u",
376 tok2str(lmp_data_link_subobj,
377 "Unknown",
378 subobj_type),
379 subobj_type,
380 subobj_len));
381 if (subobj_len < 4) {
382 ND_PRINT((ndo, " (too short)"));
383 break;
384 }
385 if ((subobj_len % 4) != 0) {
386 ND_PRINT((ndo, " (not a multiple of 4)"));
387 break;
388 }
389 if (total_subobj_len < subobj_len) {
390 ND_PRINT((ndo, " (goes past the end of the object)"));
391 break;
392 }
393 switch(subobj_type) {
394 case INT_SWITCHING_TYPE_SUBOBJ:
395 ND_TCHECK_8BITS(obj_tptr + offset + 2);
396 ND_PRINT((ndo, "\n\t Switching Type: %s (%u)",
397 tok2str(gmpls_switch_cap_values,
398 "Unknown",
399 EXTRACT_8BITS(obj_tptr + offset + 2)),
400 EXTRACT_8BITS(obj_tptr + offset + 2)));
401 ND_TCHECK_8BITS(obj_tptr + offset + 3);
402 ND_PRINT((ndo, "\n\t Encoding Type: %s (%u)",
403 tok2str(gmpls_encoding_values,
404 "Unknown",
405 EXTRACT_8BITS(obj_tptr + offset + 3)),
406 EXTRACT_8BITS(obj_tptr + offset + 3)));
407 ND_TCHECK_32BITS(obj_tptr + offset + 4);
408 bw.i = EXTRACT_32BITS(obj_tptr+offset+4);
409 ND_PRINT((ndo, "\n\t Min Reservable Bandwidth: %.3f Mbps",
410 bw.f*8/1000000));
411 ND_TCHECK_32BITS(obj_tptr + offset + 8);
412 bw.i = EXTRACT_32BITS(obj_tptr+offset+8);
413 ND_PRINT((ndo, "\n\t Max Reservable Bandwidth: %.3f Mbps",
414 bw.f*8/1000000));
415 break;
416 case WAVELENGTH_SUBOBJ:
417 ND_TCHECK_32BITS(obj_tptr + offset + 4);
418 ND_PRINT((ndo, "\n\t Wavelength: %u",
419 EXTRACT_32BITS(obj_tptr+offset+4)));
420 break;
421 default:
422 /* Any Unknown Subobject ==> Exit loop */
423 hexdump=TRUE;
424 break;
425 }
426 total_subobj_len-=subobj_len;
427 offset+=subobj_len;
428 }
429 return (hexdump);
430 trunc:
431 return -1;
432 }
433
434 void
435 lmp_print(netdissect_options *ndo,
436 register const u_char *pptr, register u_int len)
437 {
438 const struct lmp_common_header *lmp_com_header;
439 const struct lmp_object_header *lmp_obj_header;
440 const u_char *tptr,*obj_tptr;
441 u_int tlen,lmp_obj_len,lmp_obj_ctype,obj_tlen;
442 int hexdump, ret;
443 u_int offset;
444 u_int link_type;
445
446 union { /* int to float conversion buffer */
447 float f;
448 uint32_t i;
449 } bw;
450
451 tptr=pptr;
452 lmp_com_header = (const struct lmp_common_header *)pptr;
453 ND_TCHECK(*lmp_com_header);
454
455 /*
456 * Sanity checking of the header.
457 */
458 if (LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]) != LMP_VERSION) {
459 ND_PRINT((ndo, "LMP version %u packet not supported",
460 LMP_EXTRACT_VERSION(lmp_com_header->version_res[0])));
461 return;
462 }
463
464 /* in non-verbose mode just lets print the basic Message Type*/
465 if (ndo->ndo_vflag < 1) {
466 ND_PRINT((ndo, "LMPv%u %s Message, length: %u",
467 LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]),
468 tok2str(lmp_msg_type_values, "unknown (%u)",lmp_com_header->msg_type),
469 len));
470 return;
471 }
472
473 /* ok they seem to want to know everything - lets fully decode it */
474
475 tlen=EXTRACT_16BITS(lmp_com_header->length);
476
477 ND_PRINT((ndo, "\n\tLMPv%u, msg-type: %s, Flags: [%s], length: %u",
478 LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]),
479 tok2str(lmp_msg_type_values, "unknown, type: %u",lmp_com_header->msg_type),
480 bittok2str(lmp_header_flag_values,"none",lmp_com_header->flags),
481 tlen));
482 if (tlen < sizeof(const struct lmp_common_header)) {
483 ND_PRINT((ndo, " (too short)"));
484 return;
485 }
486 if (tlen > len) {
487 ND_PRINT((ndo, " (too long)"));
488 tlen = len;
489 }
490
491 tptr+=sizeof(const struct lmp_common_header);
492 tlen-=sizeof(const struct lmp_common_header);
493
494 while(tlen>0) {
495 /* did we capture enough for fully decoding the object header ? */
496 ND_TCHECK2(*tptr, sizeof(struct lmp_object_header));
497
498 lmp_obj_header = (const struct lmp_object_header *)tptr;
499 lmp_obj_len=EXTRACT_16BITS(lmp_obj_header->length);
500 lmp_obj_ctype=(lmp_obj_header->ctype)&0x7f;
501
502 ND_PRINT((ndo, "\n\t %s Object (%u), Class-Type: %s (%u) Flags: [%snegotiable], length: %u",
503 tok2str(lmp_obj_values,
504 "Unknown",
505 lmp_obj_header->class_num),
506 lmp_obj_header->class_num,
507 tok2str(lmp_ctype_values,
508 "Unknown",
509 ((lmp_obj_header->class_num)<<8)+lmp_obj_ctype),
510 lmp_obj_ctype,
511 (lmp_obj_header->ctype)&0x80 ? "" : "non-",
512 lmp_obj_len));
513
514 if (lmp_obj_len < 4) {
515 ND_PRINT((ndo, " (too short)"));
516 return;
517 }
518 if ((lmp_obj_len % 4) != 0) {
519 ND_PRINT((ndo, " (not a multiple of 4)"));
520 return;
521 }
522
523 obj_tptr=tptr+sizeof(struct lmp_object_header);
524 obj_tlen=lmp_obj_len-sizeof(struct lmp_object_header);
525
526 /* did we capture enough for fully decoding the object ? */
527 ND_TCHECK2(*tptr, lmp_obj_len);
528 hexdump=FALSE;
529
530 switch(lmp_obj_header->class_num) {
531
532 case LMP_OBJ_CC_ID:
533 switch(lmp_obj_ctype) {
534 case LMP_CTYPE_LOC:
535 case LMP_CTYPE_RMT:
536 if (obj_tlen != 4) {
537 ND_PRINT((ndo, " (not correct for object)"));
538 break;
539 }
540 ND_PRINT((ndo, "\n\t Control Channel ID: %u (0x%08x)",
541 EXTRACT_32BITS(obj_tptr),
542 EXTRACT_32BITS(obj_tptr)));
543 break;
544
545 default:
546 hexdump=TRUE;
547 }
548 break;
549
550 case LMP_OBJ_LINK_ID:
551 case LMP_OBJ_INTERFACE_ID:
552 switch(lmp_obj_ctype) {
553 case LMP_CTYPE_IPV4_LOC:
554 case LMP_CTYPE_IPV4_RMT:
555 if (obj_tlen != 4) {
556 ND_PRINT((ndo, " (not correct for object)"));
557 break;
558 }
559 ND_PRINT((ndo, "\n\t IPv4 Link ID: %s (0x%08x)",
560 ipaddr_string(ndo, obj_tptr),
561 EXTRACT_32BITS(obj_tptr)));
562 break;
563 case LMP_CTYPE_IPV6_LOC:
564 case LMP_CTYPE_IPV6_RMT:
565 if (obj_tlen != 16) {
566 ND_PRINT((ndo, " (not correct for object)"));
567 break;
568 }
569 ND_PRINT((ndo, "\n\t IPv6 Link ID: %s (0x%08x)",
570 ip6addr_string(ndo, obj_tptr),
571 EXTRACT_32BITS(obj_tptr)));
572 break;
573 case LMP_CTYPE_UNMD_LOC:
574 case LMP_CTYPE_UNMD_RMT:
575 if (obj_tlen != 4) {
576 ND_PRINT((ndo, " (not correct for object)"));
577 break;
578 }
579 ND_PRINT((ndo, "\n\t Link ID: %u (0x%08x)",
580 EXTRACT_32BITS(obj_tptr),
581 EXTRACT_32BITS(obj_tptr)));
582 break;
583 default:
584 hexdump=TRUE;
585 }
586 break;
587
588 case LMP_OBJ_MESSAGE_ID:
589 switch(lmp_obj_ctype) {
590 case LMP_CTYPE_1:
591 if (obj_tlen != 4) {
592 ND_PRINT((ndo, " (not correct for object)"));
593 break;
594 }
595 ND_PRINT((ndo, "\n\t Message ID: %u (0x%08x)",
596 EXTRACT_32BITS(obj_tptr),
597 EXTRACT_32BITS(obj_tptr)));
598 break;
599 case LMP_CTYPE_2:
600 if (obj_tlen != 4) {
601 ND_PRINT((ndo, " (not correct for object)"));
602 break;
603 }
604 ND_PRINT((ndo, "\n\t Message ID Ack: %u (0x%08x)",
605 EXTRACT_32BITS(obj_tptr),
606 EXTRACT_32BITS(obj_tptr)));
607 break;
608 default:
609 hexdump=TRUE;
610 }
611 break;
612
613 case LMP_OBJ_NODE_ID:
614 switch(lmp_obj_ctype) {
615 case LMP_CTYPE_LOC:
616 case LMP_CTYPE_RMT:
617 if (obj_tlen != 4) {
618 ND_PRINT((ndo, " (not correct for object)"));
619 break;
620 }
621 ND_PRINT((ndo, "\n\t Node ID: %s (0x%08x)",
622 ipaddr_string(ndo, obj_tptr),
623 EXTRACT_32BITS(obj_tptr)));
624 break;
625
626 default:
627 hexdump=TRUE;
628 }
629 break;
630
631 case LMP_OBJ_CONFIG:
632 switch(lmp_obj_ctype) {
633 case LMP_CTYPE_HELLO_CONFIG:
634 if (obj_tlen != 4) {
635 ND_PRINT((ndo, " (not correct for object)"));
636 break;
637 }
638 ND_PRINT((ndo, "\n\t Hello Interval: %u\n\t Hello Dead Interval: %u",
639 EXTRACT_16BITS(obj_tptr),
640 EXTRACT_16BITS(obj_tptr+2)));
641 break;
642
643 default:
644 hexdump=TRUE;
645 }
646 break;
647
648 case LMP_OBJ_HELLO:
649 switch(lmp_obj_ctype) {
650 case LMP_CTYPE_HELLO:
651 if (obj_tlen != 8) {
652 ND_PRINT((ndo, " (not correct for object)"));
653 break;
654 }
655 ND_PRINT((ndo, "\n\t Tx Seq: %u, Rx Seq: %u",
656 EXTRACT_32BITS(obj_tptr),
657 EXTRACT_32BITS(obj_tptr+4)));
658 break;
659
660 default:
661 hexdump=TRUE;
662 }
663 break;
664
665 case LMP_OBJ_TE_LINK:
666 switch(lmp_obj_ctype) {
667 case LMP_CTYPE_IPV4:
668 if (obj_tlen != 12) {
669 ND_PRINT((ndo, " (not correct for object)"));
670 break;
671 }
672 ND_PRINT((ndo, "\n\t Flags: [%s]",
673 bittok2str(lmp_obj_te_link_flag_values,
674 "none",
675 EXTRACT_8BITS(obj_tptr))));
676
677 ND_PRINT((ndo, "\n\t Local Link-ID: %s (0x%08x)"
678 "\n\t Remote Link-ID: %s (0x%08x)",
679 ipaddr_string(ndo, obj_tptr+4),
680 EXTRACT_32BITS(obj_tptr+4),
681 ipaddr_string(ndo, obj_tptr+8),
682 EXTRACT_32BITS(obj_tptr+8)));
683 break;
684
685 case LMP_CTYPE_IPV6:
686 if (obj_tlen != 36) {
687 ND_PRINT((ndo, " (not correct for object)"));
688 break;
689 }
690 ND_PRINT((ndo, "\n\t Flags: [%s]",
691 bittok2str(lmp_obj_te_link_flag_values,
692 "none",
693 EXTRACT_8BITS(obj_tptr))));
694
695 ND_PRINT((ndo, "\n\t Local Link-ID: %s (0x%08x)"
696 "\n\t Remote Link-ID: %s (0x%08x)",
697 ip6addr_string(ndo, obj_tptr+4),
698 EXTRACT_32BITS(obj_tptr+4),
699 ip6addr_string(ndo, obj_tptr+20),
700 EXTRACT_32BITS(obj_tptr+20)));
701 break;
702
703 case LMP_CTYPE_UNMD:
704 if (obj_tlen != 12) {
705 ND_PRINT((ndo, " (not correct for object)"));
706 break;
707 }
708 ND_PRINT((ndo, "\n\t Flags: [%s]",
709 bittok2str(lmp_obj_te_link_flag_values,
710 "none",
711 EXTRACT_8BITS(obj_tptr))));
712
713 ND_PRINT((ndo, "\n\t Local Link-ID: %u (0x%08x)"
714 "\n\t Remote Link-ID: %u (0x%08x)",
715 EXTRACT_32BITS(obj_tptr+4),
716 EXTRACT_32BITS(obj_tptr+4),
717 EXTRACT_32BITS(obj_tptr+8),
718 EXTRACT_32BITS(obj_tptr+8)));
719 break;
720
721 default:
722 hexdump=TRUE;
723 }
724 break;
725
726 case LMP_OBJ_DATA_LINK:
727 switch(lmp_obj_ctype) {
728 case LMP_CTYPE_IPV4:
729 if (obj_tlen < 12) {
730 ND_PRINT((ndo, " (not correct for object)"));
731 break;
732 }
733 ND_PRINT((ndo, "\n\t Flags: [%s]",
734 bittok2str(lmp_obj_data_link_flag_values,
735 "none",
736 EXTRACT_8BITS(obj_tptr))));
737 ND_PRINT((ndo, "\n\t Local Interface ID: %s (0x%08x)"
738 "\n\t Remote Interface ID: %s (0x%08x)",
739 ipaddr_string(ndo, obj_tptr+4),
740 EXTRACT_32BITS(obj_tptr+4),
741 ipaddr_string(ndo, obj_tptr+8),
742 EXTRACT_32BITS(obj_tptr+8)));
743
744 ret = lmp_print_data_link_subobjs(ndo, obj_tptr, obj_tlen - 12, 12);
745 if (ret == -1)
746 goto trunc;
747 if (ret == TRUE)
748 hexdump=TRUE;
749 break;
750
751 case LMP_CTYPE_IPV6:
752 if (obj_tlen < 36) {
753 ND_PRINT((ndo, " (not correct for object)"));
754 break;
755 }
756 ND_PRINT((ndo, "\n\t Flags: [%s]",
757 bittok2str(lmp_obj_data_link_flag_values,
758 "none",
759 EXTRACT_8BITS(obj_tptr))));
760 ND_PRINT((ndo, "\n\t Local Interface ID: %s (0x%08x)"
761 "\n\t Remote Interface ID: %s (0x%08x)",
762 ip6addr_string(ndo, obj_tptr+4),
763 EXTRACT_32BITS(obj_tptr+4),
764 ip6addr_string(ndo, obj_tptr+20),
765 EXTRACT_32BITS(obj_tptr+20)));
766
767 ret = lmp_print_data_link_subobjs(ndo, obj_tptr, obj_tlen - 36, 36);
768 if (ret == -1)
769 goto trunc;
770 if (ret == TRUE)
771 hexdump=TRUE;
772 break;
773
774 case LMP_CTYPE_UNMD:
775 if (obj_tlen < 12) {
776 ND_PRINT((ndo, " (not correct for object)"));
777 break;
778 }
779 ND_PRINT((ndo, "\n\t Flags: [%s]",
780 bittok2str(lmp_obj_data_link_flag_values,
781 "none",
782 EXTRACT_8BITS(obj_tptr))));
783 ND_PRINT((ndo, "\n\t Local Interface ID: %u (0x%08x)"
784 "\n\t Remote Interface ID: %u (0x%08x)",
785 EXTRACT_32BITS(obj_tptr+4),
786 EXTRACT_32BITS(obj_tptr+4),
787 EXTRACT_32BITS(obj_tptr+8),
788 EXTRACT_32BITS(obj_tptr+8)));
789
790 ret = lmp_print_data_link_subobjs(ndo, obj_tptr, obj_tlen - 12, 12);
791 if (ret == -1)
792 goto trunc;
793 if (ret == TRUE)
794 hexdump=TRUE;
795 break;
796
797 default:
798 hexdump=TRUE;
799 }
800 break;
801
802 case LMP_OBJ_VERIFY_BEGIN:
803 switch(lmp_obj_ctype) {
804 case LMP_CTYPE_1:
805 if (obj_tlen != 20) {
806 ND_PRINT((ndo, " (not correct for object)"));
807 break;
808 }
809 ND_PRINT((ndo, "\n\t Flags: %s",
810 bittok2str(lmp_obj_begin_verify_flag_values,
811 "none",
812 EXTRACT_16BITS(obj_tptr))));
813 ND_PRINT((ndo, "\n\t Verify Interval: %u",
814 EXTRACT_16BITS(obj_tptr+2)));
815 ND_PRINT((ndo, "\n\t Data links: %u",
816 EXTRACT_32BITS(obj_tptr+4)));
817 ND_PRINT((ndo, "\n\t Encoding type: %s",
818 tok2str(gmpls_encoding_values, "Unknown", *(obj_tptr+8))));
819 ND_PRINT((ndo, "\n\t Verify Transport Mechanism: %u (0x%x)%s",
820 EXTRACT_16BITS(obj_tptr+10),
821 EXTRACT_16BITS(obj_tptr+10),
822 EXTRACT_16BITS(obj_tptr+10)&8000 ? " (Payload test messages capable)" : ""));
823 bw.i = EXTRACT_32BITS(obj_tptr+12);
824 ND_PRINT((ndo, "\n\t Transmission Rate: %.3f Mbps",bw.f*8/1000000));
825 ND_PRINT((ndo, "\n\t Wavelength: %u",
826 EXTRACT_32BITS(obj_tptr+16)));
827 break;
828
829 default:
830 hexdump=TRUE;
831 }
832 break;
833
834 case LMP_OBJ_VERIFY_BEGIN_ACK:
835 switch(lmp_obj_ctype) {
836 case LMP_CTYPE_1:
837 if (obj_tlen != 4) {
838 ND_PRINT((ndo, " (not correct for object)"));
839 break;
840 }
841 ND_PRINT((ndo, "\n\t Verify Dead Interval: %u"
842 "\n\t Verify Transport Response: %u",
843 EXTRACT_16BITS(obj_tptr),
844 EXTRACT_16BITS(obj_tptr+2)));
845 break;
846
847 default:
848 hexdump=TRUE;
849 }
850 break;
851
852 case LMP_OBJ_VERIFY_ID:
853 switch(lmp_obj_ctype) {
854 case LMP_CTYPE_1:
855 if (obj_tlen != 4) {
856 ND_PRINT((ndo, " (not correct for object)"));
857 break;
858 }
859 ND_PRINT((ndo, "\n\t Verify ID: %u",
860 EXTRACT_32BITS(obj_tptr)));
861 break;
862
863 default:
864 hexdump=TRUE;
865 }
866 break;
867
868 case LMP_OBJ_CHANNEL_STATUS:
869 switch(lmp_obj_ctype) {
870 case LMP_CTYPE_IPV4:
871 offset = 0;
872 /* Decode pairs: <Interface_ID (4 bytes), Channel_status (4 bytes)> */
873 while (offset+8 <= obj_tlen) {
874 ND_PRINT((ndo, "\n\t Interface ID: %s (0x%08x)",
875 ipaddr_string(ndo, obj_tptr+offset),
876 EXTRACT_32BITS(obj_tptr+offset)));
877
878 ND_PRINT((ndo, "\n\t\t Active: %s (%u)",
879 (EXTRACT_32BITS(obj_tptr+offset+4)>>31) ?
880 "Allocated" : "Non-allocated",
881 (EXTRACT_32BITS(obj_tptr+offset+4)>>31)));
882
883 ND_PRINT((ndo, "\n\t\t Direction: %s (%u)",
884 (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1 ?
885 "Transmit" : "Receive",
886 (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1));
887
888 ND_PRINT((ndo, "\n\t\t Channel Status: %s (%u)",
889 tok2str(lmp_obj_channel_status_values,
890 "Unknown",
891 EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF),
892 EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF));
893 offset+=8;
894 }
895 break;
896
897 case LMP_CTYPE_IPV6:
898 offset = 0;
899 /* Decode pairs: <Interface_ID (16 bytes), Channel_status (4 bytes)> */
900 while (offset+20 <= obj_tlen) {
901 ND_PRINT((ndo, "\n\t Interface ID: %s (0x%08x)",
902 ip6addr_string(ndo, obj_tptr+offset),
903 EXTRACT_32BITS(obj_tptr+offset)));
904
905 ND_PRINT((ndo, "\n\t\t Active: %s (%u)",
906 (EXTRACT_32BITS(obj_tptr+offset+16)>>31) ?
907 "Allocated" : "Non-allocated",
908 (EXTRACT_32BITS(obj_tptr+offset+16)>>31)));
909
910 ND_PRINT((ndo, "\n\t\t Direction: %s (%u)",
911 (EXTRACT_32BITS(obj_tptr+offset+16)>>30)&0x1 ?
912 "Transmit" : "Receive",
913 (EXTRACT_32BITS(obj_tptr+offset+16)>>30)&0x1));
914
915 ND_PRINT((ndo, "\n\t\t Channel Status: %s (%u)",
916 tok2str(lmp_obj_channel_status_values,
917 "Unknown",
918 EXTRACT_32BITS(obj_tptr+offset+16)&0x3FFFFFF),
919 EXTRACT_32BITS(obj_tptr+offset+16)&0x3FFFFFF));
920 offset+=20;
921 }
922 break;
923
924 case LMP_CTYPE_UNMD:
925 offset = 0;
926 /* Decode pairs: <Interface_ID (4 bytes), Channel_status (4 bytes)> */
927 while (offset+8 <= obj_tlen) {
928 ND_PRINT((ndo, "\n\t Interface ID: %u (0x%08x)",
929 EXTRACT_32BITS(obj_tptr+offset),
930 EXTRACT_32BITS(obj_tptr+offset)));
931
932 ND_PRINT((ndo, "\n\t\t Active: %s (%u)",
933 (EXTRACT_32BITS(obj_tptr+offset+4)>>31) ?
934 "Allocated" : "Non-allocated",
935 (EXTRACT_32BITS(obj_tptr+offset+4)>>31)));
936
937 ND_PRINT((ndo, "\n\t\t Direction: %s (%u)",
938 (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1 ?
939 "Transmit" : "Receive",
940 (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1));
941
942 ND_PRINT((ndo, "\n\t\t Channel Status: %s (%u)",
943 tok2str(lmp_obj_channel_status_values,
944 "Unknown",
945 EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF),
946 EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF));
947 offset+=8;
948 }
949 break;
950
951 default:
952 hexdump=TRUE;
953 }
954 break;
955
956 case LMP_OBJ_CHANNEL_STATUS_REQ:
957 switch(lmp_obj_ctype) {
958 case LMP_CTYPE_IPV4:
959 offset = 0;
960 while (offset+4 <= obj_tlen) {
961 ND_PRINT((ndo, "\n\t Interface ID: %s (0x%08x)",
962 ipaddr_string(ndo, obj_tptr+offset),
963 EXTRACT_32BITS(obj_tptr+offset)));
964 offset+=4;
965 }
966 break;
967
968 case LMP_CTYPE_IPV6:
969 offset = 0;
970 while (offset+16 <= obj_tlen) {
971 ND_PRINT((ndo, "\n\t Interface ID: %s (0x%08x)",
972 ip6addr_string(ndo, obj_tptr+offset),
973 EXTRACT_32BITS(obj_tptr+offset)));
974 offset+=16;
975 }
976 break;
977
978 case LMP_CTYPE_UNMD:
979 offset = 0;
980 while (offset+4 <= obj_tlen) {
981 ND_PRINT((ndo, "\n\t Interface ID: %u (0x%08x)",
982 EXTRACT_32BITS(obj_tptr+offset),
983 EXTRACT_32BITS(obj_tptr+offset)));
984 offset+=4;
985 }
986 break;
987
988 default:
989 hexdump=TRUE;
990 }
991 break;
992
993 case LMP_OBJ_ERROR_CODE:
994 switch(lmp_obj_ctype) {
995 case LMP_CTYPE_BEGIN_VERIFY_ERROR:
996 if (obj_tlen != 4) {
997 ND_PRINT((ndo, " (not correct for object)"));
998 break;
999 }
1000 ND_PRINT((ndo, "\n\t Error Code: %s",
1001 bittok2str(lmp_obj_begin_verify_error_values,
1002 "none",
1003 EXTRACT_32BITS(obj_tptr))));
1004 break;
1005
1006 case LMP_CTYPE_LINK_SUMMARY_ERROR:
1007 if (obj_tlen != 4) {
1008 ND_PRINT((ndo, " (not correct for object)"));
1009 break;
1010 }
1011 ND_PRINT((ndo, "\n\t Error Code: %s",
1012 bittok2str(lmp_obj_link_summary_error_values,
1013 "none",
1014 EXTRACT_32BITS(obj_tptr))));
1015 break;
1016 default:
1017 hexdump=TRUE;
1018 }
1019 break;
1020
1021 case LMP_OBJ_SERVICE_CONFIG:
1022 switch (lmp_obj_ctype) {
1023 case LMP_CTYPE_SERVICE_CONFIG_SP:
1024 if (obj_tlen != 4) {
1025 ND_PRINT((ndo, " (not correct for object)"));
1026 break;
1027 }
1028 ND_PRINT((ndo, "\n\t Flags: %s",
1029 bittok2str(lmp_obj_service_config_sp_flag_values,
1030 "none",
1031 EXTRACT_8BITS(obj_tptr))));
1032
1033 ND_PRINT((ndo, "\n\t UNI Version: %u",
1034 EXTRACT_8BITS(obj_tptr + 1)));
1035
1036 break;
1037
1038 case LMP_CTYPE_SERVICE_CONFIG_CPSA:
1039 if (obj_tlen != 16) {
1040 ND_PRINT((ndo, " (not correct for object)"));
1041 break;
1042 }
1043
1044 link_type = EXTRACT_8BITS(obj_tptr);
1045
1046 ND_PRINT((ndo, "\n\t Link Type: %s (%u)",
1047 tok2str(lmp_sd_service_config_cpsa_link_type_values,
1048 "Unknown", link_type),
1049 link_type));
1050
1051 switch (link_type) {
1052 case LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH:
1053 ND_PRINT((ndo, "\n\t Signal Type: %s (%u)",
1054 tok2str(lmp_sd_service_config_cpsa_signal_type_sdh_values,
1055 "Unknown",
1056 EXTRACT_8BITS(obj_tptr + 1)),
1057 EXTRACT_8BITS(obj_tptr + 1)));
1058 break;
1059
1060 case LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET:
1061 ND_PRINT((ndo, "\n\t Signal Type: %s (%u)",
1062 tok2str(lmp_sd_service_config_cpsa_signal_type_sonet_values,
1063 "Unknown",
1064 EXTRACT_8BITS(obj_tptr + 1)),
1065 EXTRACT_8BITS(obj_tptr + 1)));
1066 break;
1067 }
1068
1069 ND_PRINT((ndo, "\n\t Transparency: %s",
1070 bittok2str(lmp_obj_service_config_cpsa_tp_flag_values,
1071 "none",
1072 EXTRACT_8BITS(obj_tptr + 2))));
1073
1074 ND_PRINT((ndo, "\n\t Contiguous Concatenation Types: %s",
1075 bittok2str(lmp_obj_service_config_cpsa_cct_flag_values,
1076 "none",
1077 EXTRACT_8BITS(obj_tptr + 3))));
1078
1079 ND_PRINT((ndo, "\n\t Minimum NCC: %u",
1080 EXTRACT_16BITS(obj_tptr+4)));
1081
1082 ND_PRINT((ndo, "\n\t Maximum NCC: %u",
1083 EXTRACT_16BITS(obj_tptr+6)));
1084
1085 ND_PRINT((ndo, "\n\t Minimum NVC:%u",
1086 EXTRACT_16BITS(obj_tptr+8)));
1087
1088 ND_PRINT((ndo, "\n\t Maximum NVC:%u",
1089 EXTRACT_16BITS(obj_tptr+10)));
1090
1091 ND_PRINT((ndo, "\n\t Local Interface ID: %s (0x%08x)",
1092 ipaddr_string(ndo, obj_tptr+12),
1093 EXTRACT_32BITS(obj_tptr+12)));
1094
1095 break;
1096
1097 case LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM:
1098 if (obj_tlen != 8) {
1099 ND_PRINT((ndo, " (not correct for object)"));
1100 break;
1101 }
1102
1103 ND_PRINT((ndo, "\n\t Transparency Flags: %s",
1104 bittok2str(
1105 lmp_obj_service_config_nsa_transparency_flag_values,
1106 "none",
1107 EXTRACT_32BITS(obj_tptr))));
1108
1109 ND_PRINT((ndo, "\n\t TCM Monitoring Flags: %s",
1110 bittok2str(
1111 lmp_obj_service_config_nsa_tcm_flag_values,
1112 "none",
1113 EXTRACT_8BITS(obj_tptr + 7))));
1114
1115 break;
1116
1117 case LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY:
1118 if (obj_tlen != 4) {
1119 ND_PRINT((ndo, " (not correct for object)"));
1120 break;
1121 }
1122
1123 ND_PRINT((ndo, "\n\t Diversity: Flags: %s",
1124 bittok2str(
1125 lmp_obj_service_config_nsa_network_diversity_flag_values,
1126 "none",
1127 EXTRACT_8BITS(obj_tptr + 3))));
1128 break;
1129
1130 default:
1131 hexdump = TRUE;
1132 }
1133
1134 break;
1135
1136 default:
1137 if (ndo->ndo_vflag <= 1)
1138 print_unknown_data(ndo,obj_tptr,"\n\t ",obj_tlen);
1139 break;
1140 }
1141 /* do we want to see an additionally hexdump ? */
1142 if (ndo->ndo_vflag > 1 || hexdump==TRUE)
1143 print_unknown_data(ndo,tptr+sizeof(struct lmp_object_header),"\n\t ",
1144 lmp_obj_len-sizeof(struct lmp_object_header));
1145
1146 tptr+=lmp_obj_len;
1147 tlen-=lmp_obj_len;
1148 }
1149 return;
1150 trunc:
1151 ND_PRINT((ndo, "%s", tstr));
1152 }
1153 /*
1154 * Local Variables:
1155 * c-style: whitesmith
1156 * c-basic-offset: 8
1157 * End:
1158 */
[mirror] the TCPdump network dissector