print-lmp.c revision 1.3.2.1
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 (at) juniper.net) 14 * Support for LMP service discovery extensions (defined by UNI 1.0) added 15 * by Manu Pathak (mapathak (at) cisco.com), May 2005 16 */ 17 18 /* \summary: Link Management Protocol (LMP) printer */ 19 20 /* specification: RFC 4204 */ 21 22 #include <sys/cdefs.h> 23 #ifndef lint 24 __RCSID("$NetBSD: print-lmp.c,v 1.3.2.1 2017/02/19 07:37:08 snj Exp $"); 25 #endif 26 27 #ifdef HAVE_CONFIG_H 28 #include "config.h" 29 #endif 30 31 #include <netdissect-stdinc.h> 32 33 #include "netdissect.h" 34 #include "extract.h" 35 #include "addrtoname.h" 36 #include "gmpls.h" 37 38 /* 39 * LMP common header 40 * 41 * 0 1 2 3 42 * 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 43 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 44 * | Vers | (Reserved) | Flags | Msg Type | 45 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 46 * | LMP Length | (Reserved) | 47 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 48 */ 49 50 struct lmp_common_header { 51 uint8_t version_res[2]; 52 uint8_t flags; 53 uint8_t msg_type; 54 uint8_t length[2]; 55 uint8_t reserved[2]; 56 }; 57 58 #define LMP_VERSION 1 59 #define LMP_EXTRACT_VERSION(x) (((x)&0xf0)>>4) 60 61 static const struct tok lmp_header_flag_values[] = { 62 { 0x01, "Control Channel Down"}, 63 { 0x02, "LMP restart"}, 64 { 0, NULL} 65 }; 66 67 static const struct tok lmp_obj_te_link_flag_values[] = { 68 { 0x01, "Fault Management Supported"}, 69 { 0x02, "Link Verification Supported"}, 70 { 0, NULL} 71 }; 72 73 static const struct tok lmp_obj_data_link_flag_values[] = { 74 { 0x01, "Data Link Port"}, 75 { 0x02, "Allocated for user traffic"}, 76 { 0x04, "Failed link"}, 77 { 0, NULL} 78 }; 79 80 static const struct tok lmp_obj_channel_status_values[] = { 81 { 1, "Signal Okay"}, 82 { 2, "Signal Degraded"}, 83 { 3, "Signal Fail"}, 84 { 0, NULL} 85 }; 86 87 static const struct tok lmp_obj_begin_verify_flag_values[] = { 88 { 0x0001, "Verify all links"}, 89 { 0x0002, "Data link type"}, 90 { 0, NULL} 91 }; 92 93 static const struct tok lmp_obj_begin_verify_error_values[] = { 94 { 0x01, "Link Verification Procedure Not supported"}, 95 { 0x02, "Unwilling to verify"}, 96 { 0x04, "Unsupported verification transport mechanism"}, 97 { 0x08, "Link-Id configuration error"}, 98 { 0x10, "Unknown object c-type"}, 99 { 0, NULL} 100 }; 101 102 static const struct tok lmp_obj_link_summary_error_values[] = { 103 { 0x01, "Unacceptable non-negotiable LINK-SUMMARY parameters"}, 104 { 0x02, "Renegotiate LINK-SUMMARY parameters"}, 105 { 0x04, "Invalid TE-LINK Object"}, 106 { 0x08, "Invalid DATA-LINK Object"}, 107 { 0x10, "Unknown TE-LINK Object c-type"}, 108 { 0x20, "Unknown DATA-LINK Object c-type"}, 109 { 0, NULL} 110 }; 111 112 /* Service Config Supported Protocols Flags */ 113 static const struct tok lmp_obj_service_config_sp_flag_values[] = { 114 { 0x01, "RSVP Supported"}, 115 { 0x02, "LDP Supported"}, 116 { 0, NULL} 117 }; 118 119 /* Service Config Client Port Service Attribute Transparency Flags */ 120 static const struct tok lmp_obj_service_config_cpsa_tp_flag_values[] = { 121 { 0x01, "Path/VC Overhead Transparency Supported"}, 122 { 0x02, "Line/MS Overhead Transparency Supported"}, 123 { 0x04, "Section/RS Overhead Transparency Supported"}, 124 { 0, NULL} 125 }; 126 127 /* Service Config Client Port Service Attribute Contiguous Concatenation Types Flags */ 128 static const struct tok lmp_obj_service_config_cpsa_cct_flag_values[] = { 129 { 0x01, "Contiguous Concatenation Types Supported"}, 130 { 0, NULL} 131 }; 132 133 /* Service Config Network Service Attributes Transparency Flags */ 134 static const struct tok lmp_obj_service_config_nsa_transparency_flag_values[] = { 135 { 0x01, "Standard SOH/RSOH Transparency Supported"}, 136 { 0x02, "Standard LOH/MSOH Transparency Supported"}, 137 { 0, NULL} 138 }; 139 140 /* Service Config Network Service Attributes TCM Monitoring Flags */ 141 static const struct tok lmp_obj_service_config_nsa_tcm_flag_values[] = { 142 { 0x01, "Transparent Tandem Connection Monitoring Supported"}, 143 { 0, NULL} 144 }; 145 146 /* Network Service Attributes Network Diversity Flags */ 147 static const struct tok lmp_obj_service_config_nsa_network_diversity_flag_values[] = { 148 { 0x01, "Node Diversity Supported"}, 149 { 0x02, "Link Diversity Supported"}, 150 { 0x04, "SRLG Diversity Supported"}, 151 { 0, NULL} 152 }; 153 154 #define LMP_MSGTYPE_CONFIG 1 155 #define LMP_MSGTYPE_CONFIG_ACK 2 156 #define LMP_MSGTYPE_CONFIG_NACK 3 157 #define LMP_MSGTYPE_HELLO 4 158 #define LMP_MSGTYPE_VERIFY_BEGIN 5 159 #define LMP_MSGTYPE_VERIFY_BEGIN_ACK 6 160 #define LMP_MSGTYPE_VERIFY_BEGIN_NACK 7 161 #define LMP_MSGTYPE_VERIFY_END 8 162 #define LMP_MSGTYPE_VERIFY_END_ACK 9 163 #define LMP_MSGTYPE_TEST 10 164 #define LMP_MSGTYPE_TEST_STATUS_SUCCESS 11 165 #define LMP_MSGTYPE_TEST_STATUS_FAILURE 12 166 #define LMP_MSGTYPE_TEST_STATUS_ACK 13 167 #define LMP_MSGTYPE_LINK_SUMMARY 14 168 #define LMP_MSGTYPE_LINK_SUMMARY_ACK 15 169 #define LMP_MSGTYPE_LINK_SUMMARY_NACK 16 170 #define LMP_MSGTYPE_CHANNEL_STATUS 17 171 #define LMP_MSGTYPE_CHANNEL_STATUS_ACK 18 172 #define LMP_MSGTYPE_CHANNEL_STATUS_REQ 19 173 #define LMP_MSGTYPE_CHANNEL_STATUS_RESP 20 174 /* LMP Service Discovery message types defined by UNI 1.0 */ 175 #define LMP_MSGTYPE_SERVICE_CONFIG 50 176 #define LMP_MSGTYPE_SERVICE_CONFIG_ACK 51 177 #define LMP_MSGTYPE_SERVICE_CONFIG_NACK 52 178 179 static const struct tok lmp_msg_type_values[] = { 180 { LMP_MSGTYPE_CONFIG, "Config"}, 181 { LMP_MSGTYPE_CONFIG_ACK, "Config ACK"}, 182 { LMP_MSGTYPE_CONFIG_NACK, "Config NACK"}, 183 { LMP_MSGTYPE_HELLO, "Hello"}, 184 { LMP_MSGTYPE_VERIFY_BEGIN, "Begin Verify"}, 185 { LMP_MSGTYPE_VERIFY_BEGIN_ACK, "Begin Verify ACK"}, 186 { LMP_MSGTYPE_VERIFY_BEGIN_NACK, "Begin Verify NACK"}, 187 { LMP_MSGTYPE_VERIFY_END, "End Verify"}, 188 { LMP_MSGTYPE_VERIFY_END_ACK, "End Verify ACK"}, 189 { LMP_MSGTYPE_TEST, "Test"}, 190 { LMP_MSGTYPE_TEST_STATUS_SUCCESS, "Test Status Success"}, 191 { LMP_MSGTYPE_TEST_STATUS_FAILURE, "Test Status Failure"}, 192 { LMP_MSGTYPE_TEST_STATUS_ACK, "Test Status ACK"}, 193 { LMP_MSGTYPE_LINK_SUMMARY, "Link Summary"}, 194 { LMP_MSGTYPE_LINK_SUMMARY_ACK, "Link Summary ACK"}, 195 { LMP_MSGTYPE_LINK_SUMMARY_NACK, "Link Summary NACK"}, 196 { LMP_MSGTYPE_CHANNEL_STATUS, "Channel Status"}, 197 { LMP_MSGTYPE_CHANNEL_STATUS_ACK, "Channel Status ACK"}, 198 { LMP_MSGTYPE_CHANNEL_STATUS_REQ, "Channel Status Request"}, 199 { LMP_MSGTYPE_CHANNEL_STATUS_RESP, "Channel Status Response"}, 200 { LMP_MSGTYPE_SERVICE_CONFIG, "Service Config"}, 201 { LMP_MSGTYPE_SERVICE_CONFIG_ACK, "Service Config ACK"}, 202 { LMP_MSGTYPE_SERVICE_CONFIG_NACK, "Service Config NACK"}, 203 { 0, NULL} 204 }; 205 206 /* 207 * LMP object header 208 * 209 * 0 1 2 3 210 * 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 1 211 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 212 * |N| C-Type | Class | Length | 213 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 214 * | | 215 * // (object contents) // 216 * | | 217 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 218 */ 219 220 struct lmp_object_header { 221 uint8_t ctype; 222 uint8_t class_num; 223 uint8_t length[2]; 224 }; 225 226 #define LMP_OBJ_CC_ID 1 227 #define LMP_OBJ_NODE_ID 2 228 #define LMP_OBJ_LINK_ID 3 229 #define LMP_OBJ_INTERFACE_ID 4 230 #define LMP_OBJ_MESSAGE_ID 5 231 #define LMP_OBJ_CONFIG 6 232 #define LMP_OBJ_HELLO 7 233 #define LMP_OBJ_VERIFY_BEGIN 8 234 #define LMP_OBJ_VERIFY_BEGIN_ACK 9 235 #define LMP_OBJ_VERIFY_ID 10 236 #define LMP_OBJ_TE_LINK 11 237 #define LMP_OBJ_DATA_LINK 12 238 #define LMP_OBJ_CHANNEL_STATUS 13 239 #define LMP_OBJ_CHANNEL_STATUS_REQ 14 240 #define LMP_OBJ_ERROR_CODE 20 241 242 #define LMP_OBJ_SERVICE_CONFIG 51 /* defined in UNI 1.0 */ 243 244 static const struct tok lmp_obj_values[] = { 245 { LMP_OBJ_CC_ID, "Control Channel ID" }, 246 { LMP_OBJ_NODE_ID, "Node ID" }, 247 { LMP_OBJ_LINK_ID, "Link ID" }, 248 { LMP_OBJ_INTERFACE_ID, "Interface ID" }, 249 { LMP_OBJ_MESSAGE_ID, "Message ID" }, 250 { LMP_OBJ_CONFIG, "Configuration" }, 251 { LMP_OBJ_HELLO, "Hello" }, 252 { LMP_OBJ_VERIFY_BEGIN, "Verify Begin" }, 253 { LMP_OBJ_VERIFY_BEGIN_ACK, "Verify Begin ACK" }, 254 { LMP_OBJ_VERIFY_ID, "Verify ID" }, 255 { LMP_OBJ_TE_LINK, "TE Link" }, 256 { LMP_OBJ_DATA_LINK, "Data Link" }, 257 { LMP_OBJ_CHANNEL_STATUS, "Channel Status" }, 258 { LMP_OBJ_CHANNEL_STATUS_REQ, "Channel Status Request" }, 259 { LMP_OBJ_ERROR_CODE, "Error Code" }, 260 { LMP_OBJ_SERVICE_CONFIG, "Service Config" }, 261 262 { 0, NULL} 263 }; 264 265 #define INT_SWITCHING_TYPE_SUBOBJ 1 266 #define WAVELENGTH_SUBOBJ 2 267 268 static const struct tok lmp_data_link_subobj[] = { 269 { INT_SWITCHING_TYPE_SUBOBJ, "Interface Switching Type" }, 270 { WAVELENGTH_SUBOBJ , "Wavelength" }, 271 { 0, NULL} 272 }; 273 274 #define LMP_CTYPE_IPV4 1 275 #define LMP_CTYPE_IPV6 2 276 277 #define LMP_CTYPE_LOC 1 278 #define LMP_CTYPE_RMT 2 279 #define LMP_CTYPE_UNMD 3 280 281 #define LMP_CTYPE_IPV4_LOC 1 282 #define LMP_CTYPE_IPV4_RMT 2 283 #define LMP_CTYPE_IPV6_LOC 3 284 #define LMP_CTYPE_IPV6_RMT 4 285 #define LMP_CTYPE_UNMD_LOC 5 286 #define LMP_CTYPE_UNMD_RMT 6 287 288 #define LMP_CTYPE_1 1 289 #define LMP_CTYPE_2 2 290 291 #define LMP_CTYPE_HELLO_CONFIG 1 292 #define LMP_CTYPE_HELLO 1 293 294 #define LMP_CTYPE_BEGIN_VERIFY_ERROR 1 295 #define LMP_CTYPE_LINK_SUMMARY_ERROR 2 296 297 /* C-Types for Service Config Object */ 298 #define LMP_CTYPE_SERVICE_CONFIG_SP 1 299 #define LMP_CTYPE_SERVICE_CONFIG_CPSA 2 300 #define LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM 3 301 #define LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY 4 302 303 /* 304 * Different link types allowed in the Client Port Service Attributes 305 * subobject defined for LMP Service Discovery in the UNI 1.0 spec 306 */ 307 #define LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH 5 /* UNI 1.0 Sec 9.4.2 */ 308 #define LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET 6 /* UNI 1.0 Sec 9.4.2 */ 309 310 /* 311 * the ctypes are not globally unique so for 312 * translating it to strings we build a table based 313 * on objects offsetted by the ctype 314 */ 315 316 static const struct tok lmp_ctype_values[] = { 317 { 256*LMP_OBJ_CC_ID+LMP_CTYPE_LOC, "Local" }, 318 { 256*LMP_OBJ_CC_ID+LMP_CTYPE_RMT, "Remote" }, 319 { 256*LMP_OBJ_NODE_ID+LMP_CTYPE_LOC, "Local" }, 320 { 256*LMP_OBJ_NODE_ID+LMP_CTYPE_RMT, "Remote" }, 321 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV4_LOC, "IPv4 Local" }, 322 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV4_RMT, "IPv4 Remote" }, 323 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV6_LOC, "IPv6 Local" }, 324 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV6_RMT, "IPv6 Remote" }, 325 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_UNMD_LOC, "Unnumbered Local" }, 326 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_UNMD_RMT, "Unnumbered Remote" }, 327 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV4_LOC, "IPv4 Local" }, 328 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV4_RMT, "IPv4 Remote" }, 329 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV6_LOC, "IPv6 Local" }, 330 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV6_RMT, "IPv6 Remote" }, 331 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_UNMD_LOC, "Unnumbered Local" }, 332 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_UNMD_RMT, "Unnumbered Remote" }, 333 { 256*LMP_OBJ_MESSAGE_ID+LMP_CTYPE_1, "1" }, 334 { 256*LMP_OBJ_MESSAGE_ID+LMP_CTYPE_2, "2" }, 335 { 256*LMP_OBJ_CONFIG+LMP_CTYPE_1, "1" }, 336 { 256*LMP_OBJ_HELLO+LMP_CTYPE_1, "1" }, 337 { 256*LMP_OBJ_VERIFY_BEGIN+LMP_CTYPE_1, "1" }, 338 { 256*LMP_OBJ_VERIFY_BEGIN_ACK+LMP_CTYPE_1, "1" }, 339 { 256*LMP_OBJ_VERIFY_ID+LMP_CTYPE_1, "1" }, 340 { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_IPV4, "IPv4" }, 341 { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_IPV6, "IPv6" }, 342 { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_UNMD, "Unnumbered" }, 343 { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_IPV4, "IPv4" }, 344 { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_IPV6, "IPv6" }, 345 { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_UNMD, "Unnumbered" }, 346 { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_IPV4, "IPv4" }, 347 { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_IPV6, "IPv6" }, 348 { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_UNMD, "Unnumbered" }, 349 { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_IPV4, "IPv4" }, 350 { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_IPV6, "IPv6" }, 351 { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_UNMD, "Unnumbered" }, 352 { 256*LMP_OBJ_ERROR_CODE+LMP_CTYPE_1, "1" }, 353 { 256*LMP_OBJ_ERROR_CODE+LMP_CTYPE_2, "2" }, 354 { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_SP, "1" }, 355 { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_CPSA, "2" }, 356 { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM, "3" }, 357 { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY, "4" }, 358 { 0, NULL} 359 }; 360 361 void 362 lmp_print(netdissect_options *ndo, 363 register const u_char *pptr, register u_int len) 364 { 365 const struct lmp_common_header *lmp_com_header; 366 const struct lmp_object_header *lmp_obj_header; 367 const u_char *tptr,*obj_tptr; 368 int tlen,lmp_obj_len,lmp_obj_ctype,obj_tlen; 369 int hexdump; 370 int offset,subobj_type,subobj_len,total_subobj_len; 371 int link_type; 372 373 union { /* int to float conversion buffer */ 374 float f; 375 uint32_t i; 376 } bw; 377 378 tptr=pptr; 379 lmp_com_header = (const struct lmp_common_header *)pptr; 380 ND_TCHECK(*lmp_com_header); 381 382 /* 383 * Sanity checking of the header. 384 */ 385 if (LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]) != LMP_VERSION) { 386 ND_PRINT((ndo, "LMP version %u packet not supported", 387 LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]))); 388 return; 389 } 390 391 /* in non-verbose mode just lets print the basic Message Type*/ 392 if (ndo->ndo_vflag < 1) { 393 ND_PRINT((ndo, "LMPv%u %s Message, length: %u", 394 LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]), 395 tok2str(lmp_msg_type_values, "unknown (%u)",lmp_com_header->msg_type), 396 len)); 397 return; 398 } 399 400 /* ok they seem to want to know everything - lets fully decode it */ 401 402 tlen=EXTRACT_16BITS(lmp_com_header->length); 403 404 ND_PRINT((ndo, "\n\tLMPv%u, msg-type: %s, Flags: [%s], length: %u", 405 LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]), 406 tok2str(lmp_msg_type_values, "unknown, type: %u",lmp_com_header->msg_type), 407 bittok2str(lmp_header_flag_values,"none",lmp_com_header->flags), 408 tlen)); 409 410 tptr+=sizeof(const struct lmp_common_header); 411 tlen-=sizeof(const struct lmp_common_header); 412 413 while(tlen>0) { 414 /* did we capture enough for fully decoding the object header ? */ 415 ND_TCHECK2(*tptr, sizeof(struct lmp_object_header)); 416 417 lmp_obj_header = (const struct lmp_object_header *)tptr; 418 lmp_obj_len=EXTRACT_16BITS(lmp_obj_header->length); 419 lmp_obj_ctype=(lmp_obj_header->ctype)&0x7f; 420 421 if(lmp_obj_len % 4 || lmp_obj_len < 4) 422 return; 423 424 ND_PRINT((ndo, "\n\t %s Object (%u), Class-Type: %s (%u) Flags: [%snegotiable], length: %u", 425 tok2str(lmp_obj_values, 426 "Unknown", 427 lmp_obj_header->class_num), 428 lmp_obj_header->class_num, 429 tok2str(lmp_ctype_values, 430 "Unknown", 431 ((lmp_obj_header->class_num)<<8)+lmp_obj_ctype), 432 lmp_obj_ctype, 433 (lmp_obj_header->ctype)&0x80 ? "" : "non-", 434 lmp_obj_len)); 435 436 obj_tptr=tptr+sizeof(struct lmp_object_header); 437 obj_tlen=lmp_obj_len-sizeof(struct lmp_object_header); 438 439 /* did we capture enough for fully decoding the object ? */ 440 ND_TCHECK2(*tptr, lmp_obj_len); 441 hexdump=FALSE; 442 443 switch(lmp_obj_header->class_num) { 444 445 case LMP_OBJ_CC_ID: 446 switch(lmp_obj_ctype) { 447 case LMP_CTYPE_LOC: 448 case LMP_CTYPE_RMT: 449 ND_PRINT((ndo, "\n\t Control Channel ID: %u (0x%08x)", 450 EXTRACT_32BITS(obj_tptr), 451 EXTRACT_32BITS(obj_tptr))); 452 break; 453 454 default: 455 hexdump=TRUE; 456 } 457 break; 458 459 case LMP_OBJ_LINK_ID: 460 case LMP_OBJ_INTERFACE_ID: 461 switch(lmp_obj_ctype) { 462 case LMP_CTYPE_IPV4_LOC: 463 case LMP_CTYPE_IPV4_RMT: 464 ND_PRINT((ndo, "\n\t IPv4 Link ID: %s (0x%08x)", 465 ipaddr_string(ndo, obj_tptr), 466 EXTRACT_32BITS(obj_tptr))); 467 break; 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 case LMP_CTYPE_UNMD_LOC: 475 case LMP_CTYPE_UNMD_RMT: 476 ND_PRINT((ndo, "\n\t Link ID: %u (0x%08x)", 477 EXTRACT_32BITS(obj_tptr), 478 EXTRACT_32BITS(obj_tptr))); 479 break; 480 default: 481 hexdump=TRUE; 482 } 483 break; 484 485 case LMP_OBJ_MESSAGE_ID: 486 switch(lmp_obj_ctype) { 487 case LMP_CTYPE_1: 488 ND_PRINT((ndo, "\n\t Message ID: %u (0x%08x)", 489 EXTRACT_32BITS(obj_tptr), 490 EXTRACT_32BITS(obj_tptr))); 491 break; 492 case LMP_CTYPE_2: 493 ND_PRINT((ndo, "\n\t Message ID Ack: %u (0x%08x)", 494 EXTRACT_32BITS(obj_tptr), 495 EXTRACT_32BITS(obj_tptr))); 496 break; 497 default: 498 hexdump=TRUE; 499 } 500 break; 501 502 case LMP_OBJ_NODE_ID: 503 switch(lmp_obj_ctype) { 504 case LMP_CTYPE_LOC: 505 case LMP_CTYPE_RMT: 506 ND_PRINT((ndo, "\n\t Node ID: %s (0x%08x)", 507 ipaddr_string(ndo, obj_tptr), 508 EXTRACT_32BITS(obj_tptr))); 509 break; 510 511 default: 512 hexdump=TRUE; 513 } 514 break; 515 516 case LMP_OBJ_CONFIG: 517 switch(lmp_obj_ctype) { 518 case LMP_CTYPE_HELLO_CONFIG: 519 ND_PRINT((ndo, "\n\t Hello Interval: %u\n\t Hello Dead Interval: %u", 520 EXTRACT_16BITS(obj_tptr), 521 EXTRACT_16BITS(obj_tptr+2))); 522 break; 523 524 default: 525 hexdump=TRUE; 526 } 527 break; 528 529 case LMP_OBJ_HELLO: 530 switch(lmp_obj_ctype) { 531 case LMP_CTYPE_HELLO: 532 ND_PRINT((ndo, "\n\t Tx Seq: %u, Rx Seq: %u", 533 EXTRACT_32BITS(obj_tptr), 534 EXTRACT_32BITS(obj_tptr+4))); 535 break; 536 537 default: 538 hexdump=TRUE; 539 } 540 break; 541 542 case LMP_OBJ_TE_LINK: 543 ND_PRINT((ndo, "\n\t Flags: [%s]", 544 bittok2str(lmp_obj_te_link_flag_values, 545 "none", 546 EXTRACT_16BITS(obj_tptr)>>8))); 547 548 switch(lmp_obj_ctype) { 549 case LMP_CTYPE_IPV4: 550 ND_PRINT((ndo, "\n\t Local Link-ID: %s (0x%08x)" 551 "\n\t Remote Link-ID: %s (0x%08x)", 552 ipaddr_string(ndo, obj_tptr+4), 553 EXTRACT_32BITS(obj_tptr+4), 554 ipaddr_string(ndo, obj_tptr+8), 555 EXTRACT_32BITS(obj_tptr+8))); 556 break; 557 558 case LMP_CTYPE_IPV6: 559 case LMP_CTYPE_UNMD: 560 default: 561 hexdump=TRUE; 562 } 563 break; 564 565 case LMP_OBJ_DATA_LINK: 566 ND_PRINT((ndo, "\n\t Flags: [%s]", 567 bittok2str(lmp_obj_data_link_flag_values, 568 "none", 569 EXTRACT_16BITS(obj_tptr)>>8))); 570 571 switch(lmp_obj_ctype) { 572 case LMP_CTYPE_IPV4: 573 case LMP_CTYPE_UNMD: 574 ND_PRINT((ndo, "\n\t Local Interface ID: %s (0x%08x)" 575 "\n\t Remote Interface ID: %s (0x%08x)", 576 ipaddr_string(ndo, obj_tptr+4), 577 EXTRACT_32BITS(obj_tptr+4), 578 ipaddr_string(ndo, obj_tptr+8), 579 EXTRACT_32BITS(obj_tptr+8))); 580 581 total_subobj_len = lmp_obj_len - 16; 582 offset = 12; 583 while (total_subobj_len > 0 && hexdump == FALSE ) { 584 subobj_type = EXTRACT_16BITS(obj_tptr+offset)>>8; 585 subobj_len = EXTRACT_16BITS(obj_tptr+offset)&0x00FF; 586 ND_PRINT((ndo, "\n\t Subobject, Type: %s (%u), Length: %u", 587 tok2str(lmp_data_link_subobj, 588 "Unknown", 589 subobj_type), 590 subobj_type, 591 subobj_len)); 592 switch(subobj_type) { 593 case INT_SWITCHING_TYPE_SUBOBJ: 594 ND_PRINT((ndo, "\n\t Switching Type: %s (%u)", 595 tok2str(gmpls_switch_cap_values, 596 "Unknown", 597 EXTRACT_16BITS(obj_tptr+offset+2)>>8), 598 EXTRACT_16BITS(obj_tptr+offset+2)>>8)); 599 ND_PRINT((ndo, "\n\t Encoding Type: %s (%u)", 600 tok2str(gmpls_encoding_values, 601 "Unknown", 602 EXTRACT_16BITS(obj_tptr+offset+2)&0x00FF), 603 EXTRACT_16BITS(obj_tptr+offset+2)&0x00FF)); 604 bw.i = EXTRACT_32BITS(obj_tptr+offset+4); 605 ND_PRINT((ndo, "\n\t Min Reservable Bandwidth: %.3f Mbps", 606 bw.f*8/1000000)); 607 bw.i = EXTRACT_32BITS(obj_tptr+offset+8); 608 ND_PRINT((ndo, "\n\t Max Reservable Bandwidth: %.3f Mbps", 609 bw.f*8/1000000)); 610 break; 611 case WAVELENGTH_SUBOBJ: 612 ND_PRINT((ndo, "\n\t Wavelength: %u", 613 EXTRACT_32BITS(obj_tptr+offset+4))); 614 break; 615 default: 616 /* Any Unknown Subobject ==> Exit loop */ 617 hexdump=TRUE; 618 break; 619 } 620 total_subobj_len-=subobj_len; 621 offset+=subobj_len; 622 } 623 624 break; 625 case LMP_CTYPE_IPV6: 626 default: 627 hexdump=TRUE; 628 } 629 break; 630 631 case LMP_OBJ_VERIFY_BEGIN: 632 switch(lmp_obj_ctype) { 633 case LMP_CTYPE_1: 634 ND_PRINT((ndo, "\n\t Flags: %s", 635 bittok2str(lmp_obj_begin_verify_flag_values, 636 "none", 637 EXTRACT_16BITS(obj_tptr)))); 638 ND_PRINT((ndo, "\n\t Verify Interval: %u", 639 EXTRACT_16BITS(obj_tptr+2))); 640 ND_PRINT((ndo, "\n\t Data links: %u", 641 EXTRACT_32BITS(obj_tptr+4))); 642 ND_PRINT((ndo, "\n\t Encoding type: %s", 643 tok2str(gmpls_encoding_values, "Unknown", *(obj_tptr+8)))); 644 ND_PRINT((ndo, "\n\t Verify Transport Mechanism: %u (0x%x)%s", 645 EXTRACT_16BITS(obj_tptr+10), 646 EXTRACT_16BITS(obj_tptr+10), 647 EXTRACT_16BITS(obj_tptr+10)&8000 ? " (Payload test messages capable)" : "")); 648 bw.i = EXTRACT_32BITS(obj_tptr+12); 649 ND_PRINT((ndo, "\n\t Transmission Rate: %.3f Mbps",bw.f*8/1000000)); 650 ND_PRINT((ndo, "\n\t Wavelength: %u", 651 EXTRACT_32BITS(obj_tptr+16))); 652 break; 653 654 default: 655 hexdump=TRUE; 656 } 657 break; 658 659 case LMP_OBJ_VERIFY_BEGIN_ACK: 660 switch(lmp_obj_ctype) { 661 case LMP_CTYPE_1: 662 ND_PRINT((ndo, "\n\t Verify Dead Interval: %u" 663 "\n\t Verify Transport Response: %u", 664 EXTRACT_16BITS(obj_tptr), 665 EXTRACT_16BITS(obj_tptr+2))); 666 break; 667 668 default: 669 hexdump=TRUE; 670 } 671 break; 672 673 case LMP_OBJ_VERIFY_ID: 674 switch(lmp_obj_ctype) { 675 case LMP_CTYPE_1: 676 ND_PRINT((ndo, "\n\t Verify ID: %u", 677 EXTRACT_32BITS(obj_tptr))); 678 break; 679 680 default: 681 hexdump=TRUE; 682 } 683 break; 684 685 case LMP_OBJ_CHANNEL_STATUS: 686 switch(lmp_obj_ctype) { 687 case LMP_CTYPE_IPV4: 688 case LMP_CTYPE_UNMD: 689 offset = 0; 690 /* Decode pairs: <Interface_ID (4 bytes), Channel_status (4 bytes)> */ 691 while (offset < (lmp_obj_len-(int)sizeof(struct lmp_object_header)) ) { 692 ND_PRINT((ndo, "\n\t Interface ID: %s (0x%08x)", 693 ipaddr_string(ndo, obj_tptr+offset), 694 EXTRACT_32BITS(obj_tptr+offset))); 695 696 ND_PRINT((ndo, "\n\t\t Active: %s (%u)", (EXTRACT_32BITS(obj_tptr+offset+4)>>31) ? 697 "Allocated" : "Non-allocated", 698 (EXTRACT_32BITS(obj_tptr+offset+4)>>31))); 699 700 ND_PRINT((ndo, "\n\t\t Direction: %s (%u)", (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1 ? 701 "Transmit" : "Receive", 702 (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1)); 703 704 ND_PRINT((ndo, "\n\t\t Channel Status: %s (%u)", 705 tok2str(lmp_obj_channel_status_values, 706 "Unknown", 707 EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF), 708 EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF)); 709 offset+=8; 710 } 711 break; 712 case LMP_CTYPE_IPV6: 713 default: 714 hexdump=TRUE; 715 } 716 break; 717 718 case LMP_OBJ_CHANNEL_STATUS_REQ: 719 switch(lmp_obj_ctype) { 720 case LMP_CTYPE_IPV4: 721 case LMP_CTYPE_UNMD: 722 offset = 0; 723 while (offset < (lmp_obj_len-(int)sizeof(struct lmp_object_header)) ) { 724 ND_PRINT((ndo, "\n\t Interface ID: %s (0x%08x)", 725 ipaddr_string(ndo, obj_tptr+offset), 726 EXTRACT_32BITS(obj_tptr+offset))); 727 offset+=4; 728 } 729 break; 730 case LMP_CTYPE_IPV6: 731 default: 732 hexdump=TRUE; 733 } 734 break; 735 736 case LMP_OBJ_ERROR_CODE: 737 switch(lmp_obj_ctype) { 738 case LMP_CTYPE_BEGIN_VERIFY_ERROR: 739 ND_PRINT((ndo, "\n\t Error Code: %s", 740 bittok2str(lmp_obj_begin_verify_error_values, 741 "none", 742 EXTRACT_32BITS(obj_tptr)))); 743 break; 744 745 case LMP_CTYPE_LINK_SUMMARY_ERROR: 746 ND_PRINT((ndo, "\n\t Error Code: %s", 747 bittok2str(lmp_obj_link_summary_error_values, 748 "none", 749 EXTRACT_32BITS(obj_tptr)))); 750 break; 751 default: 752 hexdump=TRUE; 753 } 754 break; 755 756 case LMP_OBJ_SERVICE_CONFIG: 757 switch (lmp_obj_ctype) { 758 case LMP_CTYPE_SERVICE_CONFIG_SP: 759 760 ND_PRINT((ndo, "\n\t Flags: %s", 761 bittok2str(lmp_obj_service_config_sp_flag_values, 762 "none", 763 EXTRACT_16BITS(obj_tptr)>>8))); 764 765 ND_PRINT((ndo, "\n\t UNI Version: %u", 766 EXTRACT_16BITS(obj_tptr) & 0x00FF)); 767 768 break; 769 770 case LMP_CTYPE_SERVICE_CONFIG_CPSA: 771 772 link_type = EXTRACT_16BITS(obj_tptr)>>8; 773 774 ND_PRINT((ndo, "\n\t Link Type: %s (%u)", 775 tok2str(lmp_sd_service_config_cpsa_link_type_values, 776 "Unknown", link_type), 777 link_type)); 778 779 if (link_type == LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH) { 780 ND_PRINT((ndo, "\n\t Signal Type: %s (%u)", 781 tok2str(lmp_sd_service_config_cpsa_signal_type_sdh_values, 782 "Unknown", 783 EXTRACT_16BITS(obj_tptr) & 0x00FF), 784 EXTRACT_16BITS(obj_tptr) & 0x00FF)); 785 } 786 787 if (link_type == LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET) { 788 ND_PRINT((ndo, "\n\t Signal Type: %s (%u)", 789 tok2str(lmp_sd_service_config_cpsa_signal_type_sonet_values, 790 "Unknown", 791 EXTRACT_16BITS(obj_tptr) & 0x00FF), 792 EXTRACT_16BITS(obj_tptr) & 0x00FF)); 793 } 794 795 ND_PRINT((ndo, "\n\t Transparency: %s", 796 bittok2str(lmp_obj_service_config_cpsa_tp_flag_values, 797 "none", 798 EXTRACT_16BITS(obj_tptr+2)>>8))); 799 800 ND_PRINT((ndo, "\n\t Contiguous Concatenation Types: %s", 801 bittok2str(lmp_obj_service_config_cpsa_cct_flag_values, 802 "none", 803 EXTRACT_16BITS(obj_tptr+2)>>8 & 0x00FF))); 804 805 ND_PRINT((ndo, "\n\t Minimum NCC: %u", 806 EXTRACT_16BITS(obj_tptr+4))); 807 808 ND_PRINT((ndo, "\n\t Maximum NCC: %u", 809 EXTRACT_16BITS(obj_tptr+6))); 810 811 ND_PRINT((ndo, "\n\t Minimum NVC:%u", 812 EXTRACT_16BITS(obj_tptr+8))); 813 814 ND_PRINT((ndo, "\n\t Maximum NVC:%u", 815 EXTRACT_16BITS(obj_tptr+10))); 816 817 ND_PRINT((ndo, "\n\t Local Interface ID: %s (0x%08x)", 818 ipaddr_string(ndo, obj_tptr+12), 819 EXTRACT_32BITS(obj_tptr+12))); 820 821 break; 822 823 case LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM: 824 825 ND_PRINT((ndo, "\n\t Transparency Flags: %s", 826 bittok2str( 827 lmp_obj_service_config_nsa_transparency_flag_values, 828 "none", 829 EXTRACT_32BITS(obj_tptr)))); 830 831 ND_PRINT((ndo, "\n\t TCM Monitoring Flags: %s", 832 bittok2str( 833 lmp_obj_service_config_nsa_tcm_flag_values, 834 "none", 835 EXTRACT_16BITS(obj_tptr+6) & 0x00FF))); 836 837 break; 838 839 case LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY: 840 841 ND_PRINT((ndo, "\n\t Diversity: Flags: %s", 842 bittok2str( 843 lmp_obj_service_config_nsa_network_diversity_flag_values, 844 "none", 845 EXTRACT_16BITS(obj_tptr+2) & 0x00FF))); 846 break; 847 848 default: 849 hexdump = TRUE; 850 } 851 852 break; 853 854 default: 855 if (ndo->ndo_vflag <= 1) 856 print_unknown_data(ndo,obj_tptr,"\n\t ",obj_tlen); 857 break; 858 } 859 /* do we want to see an additionally hexdump ? */ 860 if (ndo->ndo_vflag > 1 || hexdump==TRUE) 861 print_unknown_data(ndo,tptr+sizeof(struct lmp_object_header),"\n\t ", 862 lmp_obj_len-sizeof(struct lmp_object_header)); 863 864 tptr+=lmp_obj_len; 865 tlen-=lmp_obj_len; 866 } 867 return; 868 trunc: 869 ND_PRINT((ndo, "\n\t\t packet exceeded snapshot")); 870 } 871 /* 872 * Local Variables: 873 * c-style: whitesmith 874 * c-basic-offset: 8 875 * End: 876 */ 877
Indexes created Sat Mar 28 00:23:22 UTC 2026