print-lmp.c revision 1.7
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 * Support for the Link Management Protocol as per rfc 4204. 14 * 15 * Original code by Hannes Gredler (hannes (at) juniper.net) 16 * Support for LMP service discovery extensions (defined by UNI 1.0) added 17 * by Manu Pathak (mapathak (at) cisco.com), May 2005 18 */ 19 20 #include <sys/cdefs.h> 21 #ifndef lint 22 __RCSID("$NetBSD: print-lmp.c,v 1.7 2015/03/31 21:59:35 christos Exp $"); 23 #endif 24 25 #define NETDISSECT_REWORKED 26 #ifdef HAVE_CONFIG_H 27 #include "config.h" 28 #endif 29 30 #include <tcpdump-stdinc.h> 31 32 #include "interface.h" 33 #include "extract.h" 34 #include "addrtoname.h" 35 #include "gmpls.h" 36 37 /* 38 * LMP common header 39 * 40 * 0 1 2 3 41 * 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 42 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 43 * | Vers | (Reserved) | Flags | Msg Type | 44 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 45 * | LMP Length | (Reserved) | 46 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 47 */ 48 49 struct lmp_common_header { 50 uint8_t version_res[2]; 51 uint8_t flags; 52 uint8_t msg_type; 53 uint8_t length[2]; 54 uint8_t reserved[2]; 55 }; 56 57 #define LMP_VERSION 1 58 #define LMP_EXTRACT_VERSION(x) (((x)&0xf0)>>4) 59 60 static const struct tok lmp_header_flag_values[] = { 61 { 0x01, "Control Channel Down"}, 62 { 0x02, "LMP restart"}, 63 { 0, NULL} 64 }; 65 66 static const struct tok lmp_obj_te_link_flag_values[] = { 67 { 0x01, "Fault Management Supported"}, 68 { 0x02, "Link Verification Supported"}, 69 { 0, NULL} 70 }; 71 72 static const struct tok lmp_obj_data_link_flag_values[] = { 73 { 0x01, "Data Link Port"}, 74 { 0x02, "Allocated for user traffic"}, 75 { 0x04, "Failed link"}, 76 { 0, NULL} 77 }; 78 79 static const struct tok lmp_obj_channel_status_values[] = { 80 { 1, "Signal Okay"}, 81 { 2, "Signal Degraded"}, 82 { 3, "Signal Fail"}, 83 { 0, NULL} 84 }; 85 86 static const struct tok lmp_obj_begin_verify_flag_values[] = { 87 { 0x0001, "Verify all links"}, 88 { 0x0002, "Data link type"}, 89 { 0, NULL} 90 }; 91 92 static const struct tok lmp_obj_begin_verify_error_values[] = { 93 { 0x01, "Link Verification Procedure Not supported"}, 94 { 0x02, "Unwilling to verify"}, 95 { 0x04, "Unsupported verification transport mechanism"}, 96 { 0x08, "Link-Id configuration error"}, 97 { 0x10, "Unknown object c-type"}, 98 { 0, NULL} 99 }; 100 101 static const struct tok lmp_obj_link_summary_error_values[] = { 102 { 0x01, "Unacceptable non-negotiable LINK-SUMMARY parameters"}, 103 { 0x02, "Renegotiate LINK-SUMMARY parameters"}, 104 { 0x04, "Invalid TE-LINK Object"}, 105 { 0x08, "Invalid DATA-LINK Object"}, 106 { 0x10, "Unknown TE-LINK Object c-type"}, 107 { 0x20, "Unknown DATA-LINK Object c-type"}, 108 { 0, NULL} 109 }; 110 111 /* Service Config Supported Protocols Flags */ 112 static const struct tok lmp_obj_service_config_sp_flag_values[] = { 113 { 0x01, "RSVP Supported"}, 114 { 0x02, "LDP Supported"}, 115 { 0, NULL} 116 }; 117 118 /* Service Config Client Port Service Attribute Transparency Flags */ 119 static const struct tok lmp_obj_service_config_cpsa_tp_flag_values[] = { 120 { 0x01, "Path/VC Overhead Transparency Supported"}, 121 { 0x02, "Line/MS Overhead Transparency Supported"}, 122 { 0x04, "Section/RS Overhead Transparency Supported"}, 123 { 0, NULL} 124 }; 125 126 /* Service Config Client Port Service Attribute Contiguous Concatenation Types Flags */ 127 static const struct tok lmp_obj_service_config_cpsa_cct_flag_values[] = { 128 { 0x01, "Contiguous Concatenation Types Supported"}, 129 { 0, NULL} 130 }; 131 132 /* Service Config Network Service Attributes Transparency Flags */ 133 static const struct tok lmp_obj_service_config_nsa_transparency_flag_values[] = { 134 { 0x01, "Standard SOH/RSOH Transparency Supported"}, 135 { 0x02, "Standard LOH/MSOH Transparency Supported"}, 136 { 0, NULL} 137 }; 138 139 /* Service Config Network Service Attributes TCM Monitoring Flags */ 140 static const struct tok lmp_obj_service_config_nsa_tcm_flag_values[] = { 141 { 0x01, "Transparent Tandem Connection Monitoring Supported"}, 142 { 0, NULL} 143 }; 144 145 /* Network Service Attributes Network Diversity Flags */ 146 static const struct tok lmp_obj_service_config_nsa_network_diversity_flag_values[] = { 147 { 0x01, "Node Diversity Supported"}, 148 { 0x02, "Link Diversity Supported"}, 149 { 0x04, "SRLG Diversity Supported"}, 150 { 0, NULL} 151 }; 152 153 #define LMP_MSGTYPE_CONFIG 1 154 #define LMP_MSGTYPE_CONFIG_ACK 2 155 #define LMP_MSGTYPE_CONFIG_NACK 3 156 #define LMP_MSGTYPE_HELLO 4 157 #define LMP_MSGTYPE_VERIFY_BEGIN 5 158 #define LMP_MSGTYPE_VERIFY_BEGIN_ACK 6 159 #define LMP_MSGTYPE_VERIFY_BEGIN_NACK 7 160 #define LMP_MSGTYPE_VERIFY_END 8 161 #define LMP_MSGTYPE_VERIFY_END_ACK 9 162 #define LMP_MSGTYPE_TEST 10 163 #define LMP_MSGTYPE_TEST_STATUS_SUCCESS 11 164 #define LMP_MSGTYPE_TEST_STATUS_FAILURE 12 165 #define LMP_MSGTYPE_TEST_STATUS_ACK 13 166 #define LMP_MSGTYPE_LINK_SUMMARY 14 167 #define LMP_MSGTYPE_LINK_SUMMARY_ACK 15 168 #define LMP_MSGTYPE_LINK_SUMMARY_NACK 16 169 #define LMP_MSGTYPE_CHANNEL_STATUS 17 170 #define LMP_MSGTYPE_CHANNEL_STATUS_ACK 18 171 #define LMP_MSGTYPE_CHANNEL_STATUS_REQ 19 172 #define LMP_MSGTYPE_CHANNEL_STATUS_RESP 20 173 /* LMP Service Discovery message types defined by UNI 1.0 */ 174 #define LMP_MSGTYPE_SERVICE_CONFIG 50 175 #define LMP_MSGTYPE_SERVICE_CONFIG_ACK 51 176 #define LMP_MSGTYPE_SERVICE_CONFIG_NACK 52 177 178 static const struct tok lmp_msg_type_values[] = { 179 { LMP_MSGTYPE_CONFIG, "Config"}, 180 { LMP_MSGTYPE_CONFIG_ACK, "Config ACK"}, 181 { LMP_MSGTYPE_CONFIG_NACK, "Config NACK"}, 182 { LMP_MSGTYPE_HELLO, "Hello"}, 183 { LMP_MSGTYPE_VERIFY_BEGIN, "Begin Verify"}, 184 { LMP_MSGTYPE_VERIFY_BEGIN_ACK, "Begin Verify ACK"}, 185 { LMP_MSGTYPE_VERIFY_BEGIN_NACK, "Begin Verify NACK"}, 186 { LMP_MSGTYPE_VERIFY_END, "End Verify"}, 187 { LMP_MSGTYPE_VERIFY_END_ACK, "End Verify ACK"}, 188 { LMP_MSGTYPE_TEST, "Test"}, 189 { LMP_MSGTYPE_TEST_STATUS_SUCCESS, "Test Status Success"}, 190 { LMP_MSGTYPE_TEST_STATUS_FAILURE, "Test Status Failure"}, 191 { LMP_MSGTYPE_TEST_STATUS_ACK, "Test Status ACK"}, 192 { LMP_MSGTYPE_LINK_SUMMARY, "Link Summary"}, 193 { LMP_MSGTYPE_LINK_SUMMARY_ACK, "Link Summary ACK"}, 194 { LMP_MSGTYPE_LINK_SUMMARY_NACK, "Link Summary NACK"}, 195 { LMP_MSGTYPE_CHANNEL_STATUS, "Channel Status"}, 196 { LMP_MSGTYPE_CHANNEL_STATUS_ACK, "Channel Status ACK"}, 197 { LMP_MSGTYPE_CHANNEL_STATUS_REQ, "Channel Status Request"}, 198 { LMP_MSGTYPE_CHANNEL_STATUS_RESP, "Channel Status Response"}, 199 { LMP_MSGTYPE_SERVICE_CONFIG, "Service Config"}, 200 { LMP_MSGTYPE_SERVICE_CONFIG_ACK, "Service Config ACK"}, 201 { LMP_MSGTYPE_SERVICE_CONFIG_NACK, "Service Config NACK"}, 202 { 0, NULL} 203 }; 204 205 /* 206 * LMP object header 207 * 208 * 0 1 2 3 209 * 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 1 210 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 211 * |N| C-Type | Class | Length | 212 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 213 * | | 214 * // (object contents) // 215 * | | 216 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 217 */ 218 219 struct lmp_object_header { 220 uint8_t ctype; 221 uint8_t class_num; 222 uint8_t length[2]; 223 }; 224 225 #define LMP_OBJ_CC_ID 1 226 #define LMP_OBJ_NODE_ID 2 227 #define LMP_OBJ_LINK_ID 3 228 #define LMP_OBJ_INTERFACE_ID 4 229 #define LMP_OBJ_MESSAGE_ID 5 230 #define LMP_OBJ_CONFIG 6 231 #define LMP_OBJ_HELLO 7 232 #define LMP_OBJ_VERIFY_BEGIN 8 233 #define LMP_OBJ_VERIFY_BEGIN_ACK 9 234 #define LMP_OBJ_VERIFY_ID 10 235 #define LMP_OBJ_TE_LINK 11 236 #define LMP_OBJ_DATA_LINK 12 237 #define LMP_OBJ_CHANNEL_STATUS 13 238 #define LMP_OBJ_CHANNEL_STATUS_REQ 14 239 #define LMP_OBJ_ERROR_CODE 20 240 241 #define LMP_OBJ_SERVICE_CONFIG 51 /* defined in UNI 1.0 */ 242 243 static const struct tok lmp_obj_values[] = { 244 { LMP_OBJ_CC_ID, "Control Channel ID" }, 245 { LMP_OBJ_NODE_ID, "Node ID" }, 246 { LMP_OBJ_LINK_ID, "Link ID" }, 247 { LMP_OBJ_INTERFACE_ID, "Interface ID" }, 248 { LMP_OBJ_MESSAGE_ID, "Message ID" }, 249 { LMP_OBJ_CONFIG, "Configuration" }, 250 { LMP_OBJ_HELLO, "Hello" }, 251 { LMP_OBJ_VERIFY_BEGIN, "Verify Begin" }, 252 { LMP_OBJ_VERIFY_BEGIN_ACK, "Verify Begin ACK" }, 253 { LMP_OBJ_VERIFY_ID, "Verify ID" }, 254 { LMP_OBJ_TE_LINK, "TE Link" }, 255 { LMP_OBJ_DATA_LINK, "Data Link" }, 256 { LMP_OBJ_CHANNEL_STATUS, "Channel Status" }, 257 { LMP_OBJ_CHANNEL_STATUS_REQ, "Channel Status Request" }, 258 { LMP_OBJ_ERROR_CODE, "Error Code" }, 259 { LMP_OBJ_SERVICE_CONFIG, "Service Config" }, 260 261 { 0, NULL} 262 }; 263 264 #define INT_SWITCHING_TYPE_SUBOBJ 1 265 #define WAVELENGTH_SUBOBJ 2 266 267 static const struct tok lmp_data_link_subobj[] = { 268 { INT_SWITCHING_TYPE_SUBOBJ, "Interface Switching Type" }, 269 { WAVELENGTH_SUBOBJ , "Wavelength" }, 270 { 0, NULL} 271 }; 272 273 #define LMP_CTYPE_IPV4 1 274 #define LMP_CTYPE_IPV6 2 275 276 #define LMP_CTYPE_LOC 1 277 #define LMP_CTYPE_RMT 2 278 #define LMP_CTYPE_UNMD 3 279 280 #define LMP_CTYPE_IPV4_LOC 1 281 #define LMP_CTYPE_IPV4_RMT 2 282 #define LMP_CTYPE_IPV6_LOC 3 283 #define LMP_CTYPE_IPV6_RMT 4 284 #define LMP_CTYPE_UNMD_LOC 5 285 #define LMP_CTYPE_UNMD_RMT 6 286 287 #define LMP_CTYPE_1 1 288 #define LMP_CTYPE_2 2 289 290 #define LMP_CTYPE_HELLO_CONFIG 1 291 #define LMP_CTYPE_HELLO 1 292 293 #define LMP_CTYPE_BEGIN_VERIFY_ERROR 1 294 #define LMP_CTYPE_LINK_SUMMARY_ERROR 2 295 296 /* C-Types for Service Config Object */ 297 #define LMP_CTYPE_SERVICE_CONFIG_SP 1 298 #define LMP_CTYPE_SERVICE_CONFIG_CPSA 2 299 #define LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM 3 300 #define LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY 4 301 302 /* 303 * Different link types allowed in the Client Port Service Attributes 304 * subobject defined for LMP Service Discovery in the UNI 1.0 spec 305 */ 306 #define LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH 5 /* UNI 1.0 Sec 9.4.2 */ 307 #define LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET 6 /* UNI 1.0 Sec 9.4.2 */ 308 309 /* 310 * the ctypes are not globally unique so for 311 * translating it to strings we build a table based 312 * on objects offsetted by the ctype 313 */ 314 315 static const struct tok lmp_ctype_values[] = { 316 { 256*LMP_OBJ_CC_ID+LMP_CTYPE_LOC, "Local" }, 317 { 256*LMP_OBJ_CC_ID+LMP_CTYPE_RMT, "Remote" }, 318 { 256*LMP_OBJ_NODE_ID+LMP_CTYPE_LOC, "Local" }, 319 { 256*LMP_OBJ_NODE_ID+LMP_CTYPE_RMT, "Remote" }, 320 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV4_LOC, "IPv4 Local" }, 321 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV4_RMT, "IPv4 Remote" }, 322 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV6_LOC, "IPv6 Local" }, 323 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV6_RMT, "IPv6 Remote" }, 324 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_UNMD_LOC, "Unnumbered Local" }, 325 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_UNMD_RMT, "Unnumbered Remote" }, 326 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV4_LOC, "IPv4 Local" }, 327 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV4_RMT, "IPv4 Remote" }, 328 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV6_LOC, "IPv6 Local" }, 329 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV6_RMT, "IPv6 Remote" }, 330 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_UNMD_LOC, "Unnumbered Local" }, 331 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_UNMD_RMT, "Unnumbered Remote" }, 332 { 256*LMP_OBJ_MESSAGE_ID+LMP_CTYPE_1, "1" }, 333 { 256*LMP_OBJ_MESSAGE_ID+LMP_CTYPE_2, "2" }, 334 { 256*LMP_OBJ_CONFIG+LMP_CTYPE_1, "1" }, 335 { 256*LMP_OBJ_HELLO+LMP_CTYPE_1, "1" }, 336 { 256*LMP_OBJ_VERIFY_BEGIN+LMP_CTYPE_1, "1" }, 337 { 256*LMP_OBJ_VERIFY_BEGIN_ACK+LMP_CTYPE_1, "1" }, 338 { 256*LMP_OBJ_VERIFY_ID+LMP_CTYPE_1, "1" }, 339 { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_IPV4, "IPv4" }, 340 { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_IPV6, "IPv6" }, 341 { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_UNMD, "Unnumbered" }, 342 { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_IPV4, "IPv4" }, 343 { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_IPV6, "IPv6" }, 344 { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_UNMD, "Unnumbered" }, 345 { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_IPV4, "IPv4" }, 346 { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_IPV6, "IPv6" }, 347 { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_UNMD, "Unnumbered" }, 348 { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_IPV4, "IPv4" }, 349 { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_IPV6, "IPv6" }, 350 { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_UNMD, "Unnumbered" }, 351 { 256*LMP_OBJ_ERROR_CODE+LMP_CTYPE_1, "1" }, 352 { 256*LMP_OBJ_ERROR_CODE+LMP_CTYPE_2, "2" }, 353 { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_SP, "1" }, 354 { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_CPSA, "2" }, 355 { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM, "3" }, 356 { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY, "4" }, 357 { 0, NULL} 358 }; 359 360 void 361 lmp_print(netdissect_options *ndo, 362 register const u_char *pptr, register u_int len) 363 { 364 const struct lmp_common_header *lmp_com_header; 365 const struct lmp_object_header *lmp_obj_header; 366 const u_char *tptr,*obj_tptr; 367 int tlen,lmp_obj_len,lmp_obj_ctype,obj_tlen; 368 int hexdump; 369 int offset,subobj_type,subobj_len,total_subobj_len; 370 int link_type; 371 372 union { /* int to float conversion buffer */ 373 float f; 374 uint32_t i; 375 } bw; 376 377 tptr=pptr; 378 lmp_com_header = (const struct lmp_common_header *)pptr; 379 ND_TCHECK(*lmp_com_header); 380 381 /* 382 * Sanity checking of the header. 383 */ 384 if (LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]) != LMP_VERSION) { 385 ND_PRINT((ndo, "LMP version %u packet not supported", 386 LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]))); 387 return; 388 } 389 390 /* in non-verbose mode just lets print the basic Message Type*/ 391 if (ndo->ndo_vflag < 1) { 392 ND_PRINT((ndo, "LMPv%u %s Message, length: %u", 393 LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]), 394 tok2str(lmp_msg_type_values, "unknown (%u)",lmp_com_header->msg_type), 395 len)); 396 return; 397 } 398 399 /* ok they seem to want to know everything - lets fully decode it */ 400 401 tlen=EXTRACT_16BITS(lmp_com_header->length); 402 403 ND_PRINT((ndo, "\n\tLMPv%u, msg-type: %s, Flags: [%s], length: %u", 404 LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]), 405 tok2str(lmp_msg_type_values, "unknown, type: %u",lmp_com_header->msg_type), 406 bittok2str(lmp_header_flag_values,"none",lmp_com_header->flags), 407 tlen)); 408 409 tptr+=sizeof(const struct lmp_common_header); 410 tlen-=sizeof(const struct lmp_common_header); 411 412 while(tlen>0) { 413 /* did we capture enough for fully decoding the object header ? */ 414 ND_TCHECK2(*tptr, sizeof(struct lmp_object_header)); 415 416 lmp_obj_header = (const struct lmp_object_header *)tptr; 417 lmp_obj_len=EXTRACT_16BITS(lmp_obj_header->length); 418 lmp_obj_ctype=(lmp_obj_header->ctype)&0x7f; 419 420 if(lmp_obj_len % 4 || lmp_obj_len < 4) 421 return; 422 423 ND_PRINT((ndo, "\n\t %s Object (%u), Class-Type: %s (%u) Flags: [%snegotiable], length: %u", 424 tok2str(lmp_obj_values, 425 "Unknown", 426 lmp_obj_header->class_num), 427 lmp_obj_header->class_num, 428 tok2str(lmp_ctype_values, 429 "Unknown", 430 ((lmp_obj_header->class_num)<<8)+lmp_obj_ctype), 431 lmp_obj_ctype, 432 (lmp_obj_header->ctype)&0x80 ? "" : "non-", 433 lmp_obj_len)); 434 435 obj_tptr=tptr+sizeof(struct lmp_object_header); 436 obj_tlen=lmp_obj_len-sizeof(struct lmp_object_header); 437 438 /* did we capture enough for fully decoding the object ? */ 439 ND_TCHECK2(*tptr, lmp_obj_len); 440 hexdump=FALSE; 441 442 switch(lmp_obj_header->class_num) { 443 444 case LMP_OBJ_CC_ID: 445 switch(lmp_obj_ctype) { 446 case LMP_CTYPE_LOC: 447 case LMP_CTYPE_RMT: 448 ND_PRINT((ndo, "\n\t Control Channel ID: %u (0x%08x)", 449 EXTRACT_32BITS(obj_tptr), 450 EXTRACT_32BITS(obj_tptr))); 451 break; 452 453 default: 454 hexdump=TRUE; 455 } 456 break; 457 458 case LMP_OBJ_LINK_ID: 459 case LMP_OBJ_INTERFACE_ID: 460 switch(lmp_obj_ctype) { 461 case LMP_CTYPE_IPV4_LOC: 462 case LMP_CTYPE_IPV4_RMT: 463 ND_PRINT((ndo, "\n\t IPv4 Link ID: %s (0x%08x)", 464 ipaddr_string(ndo, obj_tptr), 465 EXTRACT_32BITS(obj_tptr))); 466 break; 467 #ifdef INET6 468 case LMP_CTYPE_IPV6_LOC: 469 case LMP_CTYPE_IPV6_RMT: 470 ND_PRINT((ndo, "\n\t IPv6 Link ID: %s (0x%08x)", 471 ip6addr_string(ndo, obj_tptr), 472 EXTRACT_32BITS(obj_tptr))); 473 break; 474 #endif 475 case LMP_CTYPE_UNMD_LOC: 476 case LMP_CTYPE_UNMD_RMT: 477 ND_PRINT((ndo, "\n\t Link ID: %u (0x%08x)", 478 EXTRACT_32BITS(obj_tptr), 479 EXTRACT_32BITS(obj_tptr))); 480 break; 481 default: 482 hexdump=TRUE; 483 } 484 break; 485 486 case LMP_OBJ_MESSAGE_ID: 487 switch(lmp_obj_ctype) { 488 case LMP_CTYPE_1: 489 ND_PRINT((ndo, "\n\t Message ID: %u (0x%08x)", 490 EXTRACT_32BITS(obj_tptr), 491 EXTRACT_32BITS(obj_tptr))); 492 break; 493 case LMP_CTYPE_2: 494 ND_PRINT((ndo, "\n\t Message ID Ack: %u (0x%08x)", 495 EXTRACT_32BITS(obj_tptr), 496 EXTRACT_32BITS(obj_tptr))); 497 break; 498 default: 499 hexdump=TRUE; 500 } 501 break; 502 503 case LMP_OBJ_NODE_ID: 504 switch(lmp_obj_ctype) { 505 case LMP_CTYPE_LOC: 506 case LMP_CTYPE_RMT: 507 ND_PRINT((ndo, "\n\t Node ID: %s (0x%08x)", 508 ipaddr_string(ndo, obj_tptr), 509 EXTRACT_32BITS(obj_tptr))); 510 break; 511 512 default: 513 hexdump=TRUE; 514 } 515 break; 516 517 case LMP_OBJ_CONFIG: 518 switch(lmp_obj_ctype) { 519 case LMP_CTYPE_HELLO_CONFIG: 520 ND_PRINT((ndo, "\n\t Hello Interval: %u\n\t Hello Dead Interval: %u", 521 EXTRACT_16BITS(obj_tptr), 522 EXTRACT_16BITS(obj_tptr+2))); 523 break; 524 525 default: 526 hexdump=TRUE; 527 } 528 break; 529 530 case LMP_OBJ_HELLO: 531 switch(lmp_obj_ctype) { 532 case LMP_CTYPE_HELLO: 533 ND_PRINT((ndo, "\n\t Tx Seq: %u, Rx Seq: %u", 534 EXTRACT_32BITS(obj_tptr), 535 EXTRACT_32BITS(obj_tptr+4))); 536 break; 537 538 default: 539 hexdump=TRUE; 540 } 541 break; 542 543 case LMP_OBJ_TE_LINK: 544 ND_PRINT((ndo, "\n\t Flags: [%s]", 545 bittok2str(lmp_obj_te_link_flag_values, 546 "none", 547 EXTRACT_16BITS(obj_tptr)>>8))); 548 549 switch(lmp_obj_ctype) { 550 case LMP_CTYPE_IPV4: 551 ND_PRINT((ndo, "\n\t Local Link-ID: %s (0x%08x)" 552 "\n\t Remote Link-ID: %s (0x%08x)", 553 ipaddr_string(ndo, obj_tptr+4), 554 EXTRACT_32BITS(obj_tptr+4), 555 ipaddr_string(ndo, obj_tptr+8), 556 EXTRACT_32BITS(obj_tptr+8))); 557 break; 558 559 #ifdef INET6 560 case LMP_CTYPE_IPV6: 561 #endif 562 case LMP_CTYPE_UNMD: 563 default: 564 hexdump=TRUE; 565 } 566 break; 567 568 case LMP_OBJ_DATA_LINK: 569 ND_PRINT((ndo, "\n\t Flags: [%s]", 570 bittok2str(lmp_obj_data_link_flag_values, 571 "none", 572 EXTRACT_16BITS(obj_tptr)>>8))); 573 574 switch(lmp_obj_ctype) { 575 case LMP_CTYPE_IPV4: 576 case LMP_CTYPE_UNMD: 577 ND_PRINT((ndo, "\n\t Local Interface ID: %s (0x%08x)" 578 "\n\t Remote Interface ID: %s (0x%08x)", 579 ipaddr_string(ndo, obj_tptr+4), 580 EXTRACT_32BITS(obj_tptr+4), 581 ipaddr_string(ndo, obj_tptr+8), 582 EXTRACT_32BITS(obj_tptr+8))); 583 584 total_subobj_len = lmp_obj_len - 16; 585 offset = 12; 586 while (total_subobj_len > 0 && hexdump == FALSE ) { 587 subobj_type = EXTRACT_16BITS(obj_tptr+offset)>>8; 588 subobj_len = EXTRACT_16BITS(obj_tptr+offset)&0x00FF; 589 ND_PRINT((ndo, "\n\t Subobject, Type: %s (%u), Length: %u", 590 tok2str(lmp_data_link_subobj, 591 "Unknown", 592 subobj_type), 593 subobj_type, 594 subobj_len)); 595 switch(subobj_type) { 596 case INT_SWITCHING_TYPE_SUBOBJ: 597 ND_PRINT((ndo, "\n\t Switching Type: %s (%u)", 598 tok2str(gmpls_switch_cap_values, 599 "Unknown", 600 EXTRACT_16BITS(obj_tptr+offset+2)>>8), 601 EXTRACT_16BITS(obj_tptr+offset+2)>>8)); 602 ND_PRINT((ndo, "\n\t Encoding Type: %s (%u)", 603 tok2str(gmpls_encoding_values, 604 "Unknown", 605 EXTRACT_16BITS(obj_tptr+offset+2)&0x00FF), 606 EXTRACT_16BITS(obj_tptr+offset+2)&0x00FF)); 607 bw.i = EXTRACT_32BITS(obj_tptr+offset+4); 608 ND_PRINT((ndo, "\n\t Min Reservable Bandwidth: %.3f Mbps", 609 bw.f*8/1000000)); 610 bw.i = EXTRACT_32BITS(obj_tptr+offset+8); 611 ND_PRINT((ndo, "\n\t Max Reservable Bandwidth: %.3f Mbps", 612 bw.f*8/1000000)); 613 break; 614 case WAVELENGTH_SUBOBJ: 615 ND_PRINT((ndo, "\n\t Wavelength: %u", 616 EXTRACT_32BITS(obj_tptr+offset+4))); 617 break; 618 default: 619 /* Any Unknown Subobject ==> Exit loop */ 620 hexdump=TRUE; 621 break; 622 } 623 total_subobj_len-=subobj_len; 624 offset+=subobj_len; 625 } 626 627 break; 628 #ifdef INET6 629 case LMP_CTYPE_IPV6: 630 #endif 631 default: 632 hexdump=TRUE; 633 } 634 break; 635 636 case LMP_OBJ_VERIFY_BEGIN: 637 switch(lmp_obj_ctype) { 638 case LMP_CTYPE_1: 639 ND_PRINT((ndo, "\n\t Flags: %s", 640 bittok2str(lmp_obj_begin_verify_flag_values, 641 "none", 642 EXTRACT_16BITS(obj_tptr)))); 643 ND_PRINT((ndo, "\n\t Verify Interval: %u", 644 EXTRACT_16BITS(obj_tptr+2))); 645 ND_PRINT((ndo, "\n\t Data links: %u", 646 EXTRACT_32BITS(obj_tptr+4))); 647 ND_PRINT((ndo, "\n\t Encoding type: %s", 648 tok2str(gmpls_encoding_values, "Unknown", *(obj_tptr+8)))); 649 ND_PRINT((ndo, "\n\t Verify Transport Mechanism: %u (0x%x)%s", 650 EXTRACT_16BITS(obj_tptr+10), 651 EXTRACT_16BITS(obj_tptr+10), 652 EXTRACT_16BITS(obj_tptr+10)&8000 ? " (Payload test messages capable)" : "")); 653 bw.i = EXTRACT_32BITS(obj_tptr+12); 654 ND_PRINT((ndo, "\n\t Transmission Rate: %.3f Mbps",bw.f*8/1000000)); 655 ND_PRINT((ndo, "\n\t Wavelength: %u", 656 EXTRACT_32BITS(obj_tptr+16))); 657 break; 658 659 default: 660 hexdump=TRUE; 661 } 662 break; 663 664 case LMP_OBJ_VERIFY_BEGIN_ACK: 665 switch(lmp_obj_ctype) { 666 case LMP_CTYPE_1: 667 ND_PRINT((ndo, "\n\t Verify Dead Interval: %u" 668 "\n\t Verify Transport Response: %u", 669 EXTRACT_16BITS(obj_tptr), 670 EXTRACT_16BITS(obj_tptr+2))); 671 break; 672 673 default: 674 hexdump=TRUE; 675 } 676 break; 677 678 case LMP_OBJ_VERIFY_ID: 679 switch(lmp_obj_ctype) { 680 case LMP_CTYPE_1: 681 ND_PRINT((ndo, "\n\t Verify ID: %u", 682 EXTRACT_32BITS(obj_tptr))); 683 break; 684 685 default: 686 hexdump=TRUE; 687 } 688 break; 689 690 case LMP_OBJ_CHANNEL_STATUS: 691 switch(lmp_obj_ctype) { 692 case LMP_CTYPE_IPV4: 693 case LMP_CTYPE_UNMD: 694 offset = 0; 695 /* Decode pairs: <Interface_ID (4 bytes), Channel_status (4 bytes)> */ 696 while (offset < (lmp_obj_len-(int)sizeof(struct lmp_object_header)) ) { 697 ND_PRINT((ndo, "\n\t Interface ID: %s (0x%08x)", 698 ipaddr_string(ndo, obj_tptr+offset), 699 EXTRACT_32BITS(obj_tptr+offset))); 700 701 ND_PRINT((ndo, "\n\t\t Active: %s (%u)", (EXTRACT_32BITS(obj_tptr+offset+4)>>31) ? 702 "Allocated" : "Non-allocated", 703 (EXTRACT_32BITS(obj_tptr+offset+4)>>31))); 704 705 ND_PRINT((ndo, "\n\t\t Direction: %s (%u)", (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1 ? 706 "Transmit" : "Receive", 707 (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1)); 708 709 ND_PRINT((ndo, "\n\t\t Channel Status: %s (%u)", 710 tok2str(lmp_obj_channel_status_values, 711 "Unknown", 712 EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF), 713 EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF)); 714 offset+=8; 715 } 716 break; 717 #ifdef INET6 718 case LMP_CTYPE_IPV6: 719 #endif 720 default: 721 hexdump=TRUE; 722 } 723 break; 724 725 case LMP_OBJ_CHANNEL_STATUS_REQ: 726 switch(lmp_obj_ctype) { 727 case LMP_CTYPE_IPV4: 728 case LMP_CTYPE_UNMD: 729 offset = 0; 730 while (offset < (lmp_obj_len-(int)sizeof(struct lmp_object_header)) ) { 731 ND_PRINT((ndo, "\n\t Interface ID: %s (0x%08x)", 732 ipaddr_string(ndo, obj_tptr+offset), 733 EXTRACT_32BITS(obj_tptr+offset))); 734 offset+=4; 735 } 736 break; 737 #ifdef INET6 738 case LMP_CTYPE_IPV6: 739 #endif 740 default: 741 hexdump=TRUE; 742 } 743 break; 744 745 case LMP_OBJ_ERROR_CODE: 746 switch(lmp_obj_ctype) { 747 case LMP_CTYPE_BEGIN_VERIFY_ERROR: 748 ND_PRINT((ndo, "\n\t Error Code: %s", 749 bittok2str(lmp_obj_begin_verify_error_values, 750 "none", 751 EXTRACT_32BITS(obj_tptr)))); 752 break; 753 754 case LMP_CTYPE_LINK_SUMMARY_ERROR: 755 ND_PRINT((ndo, "\n\t Error Code: %s", 756 bittok2str(lmp_obj_link_summary_error_values, 757 "none", 758 EXTRACT_32BITS(obj_tptr)))); 759 break; 760 default: 761 hexdump=TRUE; 762 } 763 break; 764 765 case LMP_OBJ_SERVICE_CONFIG: 766 switch (lmp_obj_ctype) { 767 case LMP_CTYPE_SERVICE_CONFIG_SP: 768 769 ND_PRINT((ndo, "\n\t Flags: %s", 770 bittok2str(lmp_obj_service_config_sp_flag_values, 771 "none", 772 EXTRACT_16BITS(obj_tptr)>>8))); 773 774 ND_PRINT((ndo, "\n\t UNI Version: %u", 775 EXTRACT_16BITS(obj_tptr) & 0x00FF)); 776 777 break; 778 779 case LMP_CTYPE_SERVICE_CONFIG_CPSA: 780 781 link_type = EXTRACT_16BITS(obj_tptr)>>8; 782 783 ND_PRINT((ndo, "\n\t Link Type: %s (%u)", 784 tok2str(lmp_sd_service_config_cpsa_link_type_values, 785 "Unknown", link_type), 786 link_type)); 787 788 if (link_type == LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH) { 789 ND_PRINT((ndo, "\n\t Signal Type: %s (%u)", 790 tok2str(lmp_sd_service_config_cpsa_signal_type_sdh_values, 791 "Unknown", 792 EXTRACT_16BITS(obj_tptr) & 0x00FF), 793 EXTRACT_16BITS(obj_tptr) & 0x00FF)); 794 } 795 796 if (link_type == LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET) { 797 ND_PRINT((ndo, "\n\t Signal Type: %s (%u)", 798 tok2str(lmp_sd_service_config_cpsa_signal_type_sonet_values, 799 "Unknown", 800 EXTRACT_16BITS(obj_tptr) & 0x00FF), 801 EXTRACT_16BITS(obj_tptr) & 0x00FF)); 802 } 803 804 ND_PRINT((ndo, "\n\t Transparency: %s", 805 bittok2str(lmp_obj_service_config_cpsa_tp_flag_values, 806 "none", 807 EXTRACT_16BITS(obj_tptr+2)>>8))); 808 809 ND_PRINT((ndo, "\n\t Contiguous Concatenation Types: %s", 810 bittok2str(lmp_obj_service_config_cpsa_cct_flag_values, 811 "none", 812 EXTRACT_16BITS(obj_tptr+2)>>8 & 0x00FF))); 813 814 ND_PRINT((ndo, "\n\t Minimum NCC: %u", 815 EXTRACT_16BITS(obj_tptr+4))); 816 817 ND_PRINT((ndo, "\n\t Maximum NCC: %u", 818 EXTRACT_16BITS(obj_tptr+6))); 819 820 ND_PRINT((ndo, "\n\t Minimum NVC:%u", 821 EXTRACT_16BITS(obj_tptr+8))); 822 823 ND_PRINT((ndo, "\n\t Maximum NVC:%u", 824 EXTRACT_16BITS(obj_tptr+10))); 825 826 ND_PRINT((ndo, "\n\t Local Interface ID: %s (0x%08x)", 827 ipaddr_string(ndo, obj_tptr+12), 828 EXTRACT_32BITS(obj_tptr+12))); 829 830 break; 831 832 case LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM: 833 834 ND_PRINT((ndo, "\n\t Transparency Flags: %s", 835 bittok2str( 836 lmp_obj_service_config_nsa_transparency_flag_values, 837 "none", 838 EXTRACT_32BITS(obj_tptr)))); 839 840 ND_PRINT((ndo, "\n\t TCM Monitoring Flags: %s", 841 bittok2str( 842 lmp_obj_service_config_nsa_tcm_flag_values, 843 "none", 844 EXTRACT_16BITS(obj_tptr+6) & 0x00FF))); 845 846 break; 847 848 case LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY: 849 850 ND_PRINT((ndo, "\n\t Diversity: Flags: %s", 851 bittok2str( 852 lmp_obj_service_config_nsa_network_diversity_flag_values, 853 "none", 854 EXTRACT_16BITS(obj_tptr+2) & 0x00FF))); 855 break; 856 857 default: 858 hexdump = TRUE; 859 }; 860 861 break; 862 863 default: 864 if (ndo->ndo_vflag <= 1) 865 print_unknown_data(ndo,obj_tptr,"\n\t ",obj_tlen); 866 break; 867 } 868 /* do we want to see an additionally hexdump ? */ 869 if (ndo->ndo_vflag > 1 || hexdump==TRUE) 870 print_unknown_data(ndo,tptr+sizeof(struct lmp_object_header),"\n\t ", 871 lmp_obj_len-sizeof(struct lmp_object_header)); 872 873 tptr+=lmp_obj_len; 874 tlen-=lmp_obj_len; 875 } 876 return; 877 trunc: 878 ND_PRINT((ndo, "\n\t\t packet exceeded snapshot")); 879 } 880 /* 881 * Local Variables: 882 * c-style: whitesmith 883 * c-basic-offset: 8 884 * End: 885 */ 886
Indexes created Sat Mar 28 00:23:22 UTC 2026