print-lmp.c revision 1.12
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) gredler.at) 14 * Support for LMP service discovery extensions (defined by OIF UNI 1.0) 15 * added by Manu Pathak (mapathak (at) cisco.com), May 2005 16 */ 17 18 /* \summary: Link Management Protocol (LMP) printer */ 19 20 /* specification: RFC 4204 */ 21 /* OIF UNI 1.0: https://web.archive.org/web/20160401194747/http://www.oiforum.com/public/documents/OIF-UNI-01.0.pdf */ 22 23 #include <sys/cdefs.h> 24 #ifndef lint 25 __RCSID("$NetBSD: print-lmp.c,v 1.12 2023/08/17 20:19:40 christos Exp $"); 26 #endif 27 28 #ifdef HAVE_CONFIG_H 29 #include <config.h> 30 #endif 31 32 #include "netdissect-stdinc.h" 33 34 #define ND_LONGJMP_FROM_TCHECK 35 #include "netdissect.h" 36 #include "extract.h" 37 #include "addrtoname.h" 38 #include "gmpls.h" 39 40 41 /* 42 * LMP common header 43 * 44 * 0 1 2 3 45 * 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 46 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 47 * | Vers | (Reserved) | Flags | Msg Type | 48 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 49 * | LMP Length | (Reserved) | 50 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 51 */ 52 53 struct lmp_common_header { 54 nd_uint16_t version_res; 55 nd_uint8_t flags; 56 nd_uint8_t msg_type; 57 nd_uint16_t length; 58 nd_byte reserved[2]; 59 }; 60 61 #define LMP_VERSION 1 62 #define LMP_EXTRACT_VERSION(x) (((x)&0xf000)>>12) 63 64 static const struct tok lmp_header_flag_values[] = { 65 { 0x01, "Control Channel Down"}, 66 { 0x02, "LMP restart"}, 67 { 0, NULL} 68 }; 69 70 static const struct tok lmp_obj_te_link_flag_values[] = { 71 { 0x01, "Fault Management Supported"}, 72 { 0x02, "Link Verification Supported"}, 73 { 0, NULL} 74 }; 75 76 static const struct tok lmp_obj_data_link_flag_values[] = { 77 { 0x01, "Data Link Port"}, 78 { 0x02, "Allocated for user traffic"}, 79 { 0x04, "Failed link"}, 80 { 0, NULL} 81 }; 82 83 static const struct tok lmp_obj_channel_status_values[] = { 84 { 1, "Signal Okay"}, 85 { 2, "Signal Degraded"}, 86 { 3, "Signal Fail"}, 87 { 0, NULL} 88 }; 89 90 static const struct tok lmp_obj_begin_verify_flag_values[] = { 91 { 0x0001, "Verify all links"}, 92 { 0x0002, "Data link type"}, 93 { 0, NULL} 94 }; 95 96 static const struct tok lmp_obj_begin_verify_error_values[] = { 97 { 0x01, "Link Verification Procedure Not supported"}, 98 { 0x02, "Unwilling to verify"}, 99 { 0x04, "Unsupported verification transport mechanism"}, 100 { 0x08, "Link-Id configuration error"}, 101 { 0x10, "Unknown object c-type"}, 102 { 0, NULL} 103 }; 104 105 static const struct tok lmp_obj_link_summary_error_values[] = { 106 { 0x01, "Unacceptable non-negotiable LINK-SUMMARY parameters"}, 107 { 0x02, "Renegotiate LINK-SUMMARY parameters"}, 108 { 0x04, "Invalid TE-LINK Object"}, 109 { 0x08, "Invalid DATA-LINK Object"}, 110 { 0x10, "Unknown TE-LINK Object c-type"}, 111 { 0x20, "Unknown DATA-LINK Object c-type"}, 112 { 0, NULL} 113 }; 114 115 /* Service Config Supported Protocols Flags */ 116 static const struct tok lmp_obj_service_config_sp_flag_values[] = { 117 { 0x01, "RSVP Supported"}, 118 { 0x02, "LDP Supported"}, 119 { 0, NULL} 120 }; 121 122 /* Service Config Client Port Service Attribute Transparency Flags */ 123 static const struct tok lmp_obj_service_config_cpsa_tp_flag_values[] = { 124 { 0x01, "Path/VC Overhead Transparency Supported"}, 125 { 0x02, "Line/MS Overhead Transparency Supported"}, 126 { 0x04, "Section/RS Overhead Transparency Supported"}, 127 { 0, NULL} 128 }; 129 130 /* Service Config Client Port Service Attribute Contiguous Concatenation Types Flags */ 131 static const struct tok lmp_obj_service_config_cpsa_cct_flag_values[] = { 132 { 0x01, "Contiguous Concatenation Types Supported"}, 133 { 0, NULL} 134 }; 135 136 /* Service Config Network Service Attributes Transparency Flags */ 137 static const struct tok lmp_obj_service_config_nsa_transparency_flag_values[] = { 138 { 0x01, "Standard SOH/RSOH Transparency Supported"}, 139 { 0x02, "Standard LOH/MSOH Transparency Supported"}, 140 { 0, NULL} 141 }; 142 143 /* Service Config Network Service Attributes TCM Monitoring Flags */ 144 static const struct tok lmp_obj_service_config_nsa_tcm_flag_values[] = { 145 { 0x01, "Transparent Tandem Connection Monitoring Supported"}, 146 { 0, NULL} 147 }; 148 149 /* Network Service Attributes Network Diversity Flags */ 150 static const struct tok lmp_obj_service_config_nsa_network_diversity_flag_values[] = { 151 { 0x01, "Node Diversity Supported"}, 152 { 0x02, "Link Diversity Supported"}, 153 { 0x04, "SRLG Diversity Supported"}, 154 { 0, NULL} 155 }; 156 157 #define LMP_MSGTYPE_CONFIG 1 158 #define LMP_MSGTYPE_CONFIG_ACK 2 159 #define LMP_MSGTYPE_CONFIG_NACK 3 160 #define LMP_MSGTYPE_HELLO 4 161 #define LMP_MSGTYPE_VERIFY_BEGIN 5 162 #define LMP_MSGTYPE_VERIFY_BEGIN_ACK 6 163 #define LMP_MSGTYPE_VERIFY_BEGIN_NACK 7 164 #define LMP_MSGTYPE_VERIFY_END 8 165 #define LMP_MSGTYPE_VERIFY_END_ACK 9 166 #define LMP_MSGTYPE_TEST 10 167 #define LMP_MSGTYPE_TEST_STATUS_SUCCESS 11 168 #define LMP_MSGTYPE_TEST_STATUS_FAILURE 12 169 #define LMP_MSGTYPE_TEST_STATUS_ACK 13 170 #define LMP_MSGTYPE_LINK_SUMMARY 14 171 #define LMP_MSGTYPE_LINK_SUMMARY_ACK 15 172 #define LMP_MSGTYPE_LINK_SUMMARY_NACK 16 173 #define LMP_MSGTYPE_CHANNEL_STATUS 17 174 #define LMP_MSGTYPE_CHANNEL_STATUS_ACK 18 175 #define LMP_MSGTYPE_CHANNEL_STATUS_REQ 19 176 #define LMP_MSGTYPE_CHANNEL_STATUS_RESP 20 177 /* LMP Service Discovery message types defined by UNI 1.0 */ 178 #define LMP_MSGTYPE_SERVICE_CONFIG 50 179 #define LMP_MSGTYPE_SERVICE_CONFIG_ACK 51 180 #define LMP_MSGTYPE_SERVICE_CONFIG_NACK 52 181 182 static const struct tok lmp_msg_type_values[] = { 183 { LMP_MSGTYPE_CONFIG, "Config"}, 184 { LMP_MSGTYPE_CONFIG_ACK, "Config ACK"}, 185 { LMP_MSGTYPE_CONFIG_NACK, "Config NACK"}, 186 { LMP_MSGTYPE_HELLO, "Hello"}, 187 { LMP_MSGTYPE_VERIFY_BEGIN, "Begin Verify"}, 188 { LMP_MSGTYPE_VERIFY_BEGIN_ACK, "Begin Verify ACK"}, 189 { LMP_MSGTYPE_VERIFY_BEGIN_NACK, "Begin Verify NACK"}, 190 { LMP_MSGTYPE_VERIFY_END, "End Verify"}, 191 { LMP_MSGTYPE_VERIFY_END_ACK, "End Verify ACK"}, 192 { LMP_MSGTYPE_TEST, "Test"}, 193 { LMP_MSGTYPE_TEST_STATUS_SUCCESS, "Test Status Success"}, 194 { LMP_MSGTYPE_TEST_STATUS_FAILURE, "Test Status Failure"}, 195 { LMP_MSGTYPE_TEST_STATUS_ACK, "Test Status ACK"}, 196 { LMP_MSGTYPE_LINK_SUMMARY, "Link Summary"}, 197 { LMP_MSGTYPE_LINK_SUMMARY_ACK, "Link Summary ACK"}, 198 { LMP_MSGTYPE_LINK_SUMMARY_NACK, "Link Summary NACK"}, 199 { LMP_MSGTYPE_CHANNEL_STATUS, "Channel Status"}, 200 { LMP_MSGTYPE_CHANNEL_STATUS_ACK, "Channel Status ACK"}, 201 { LMP_MSGTYPE_CHANNEL_STATUS_REQ, "Channel Status Request"}, 202 { LMP_MSGTYPE_CHANNEL_STATUS_RESP, "Channel Status Response"}, 203 { LMP_MSGTYPE_SERVICE_CONFIG, "Service Config"}, 204 { LMP_MSGTYPE_SERVICE_CONFIG_ACK, "Service Config ACK"}, 205 { LMP_MSGTYPE_SERVICE_CONFIG_NACK, "Service Config NACK"}, 206 { 0, NULL} 207 }; 208 209 /* 210 * LMP object header 211 * 212 * 0 1 2 3 213 * 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 1 214 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 215 * |N| C-Type | Class | Length | 216 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 217 * | | 218 * // (object contents) // 219 * | | 220 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 221 */ 222 223 struct lmp_object_header { 224 nd_uint8_t ctype; 225 nd_uint8_t class_num; 226 nd_uint16_t length; 227 }; 228 229 #define LMP_OBJ_CC_ID 1 230 #define LMP_OBJ_NODE_ID 2 231 #define LMP_OBJ_LINK_ID 3 232 #define LMP_OBJ_INTERFACE_ID 4 233 #define LMP_OBJ_MESSAGE_ID 5 234 #define LMP_OBJ_CONFIG 6 235 #define LMP_OBJ_HELLO 7 236 #define LMP_OBJ_VERIFY_BEGIN 8 237 #define LMP_OBJ_VERIFY_BEGIN_ACK 9 238 #define LMP_OBJ_VERIFY_ID 10 239 #define LMP_OBJ_TE_LINK 11 240 #define LMP_OBJ_DATA_LINK 12 241 #define LMP_OBJ_CHANNEL_STATUS 13 242 #define LMP_OBJ_CHANNEL_STATUS_REQ 14 243 #define LMP_OBJ_ERROR_CODE 20 244 245 #define LMP_OBJ_SERVICE_CONFIG 51 /* defined in UNI 1.0 */ 246 247 static const struct tok lmp_obj_values[] = { 248 { LMP_OBJ_CC_ID, "Control Channel ID" }, 249 { LMP_OBJ_NODE_ID, "Node ID" }, 250 { LMP_OBJ_LINK_ID, "Link ID" }, 251 { LMP_OBJ_INTERFACE_ID, "Interface ID" }, 252 { LMP_OBJ_MESSAGE_ID, "Message ID" }, 253 { LMP_OBJ_CONFIG, "Configuration" }, 254 { LMP_OBJ_HELLO, "Hello" }, 255 { LMP_OBJ_VERIFY_BEGIN, "Verify Begin" }, 256 { LMP_OBJ_VERIFY_BEGIN_ACK, "Verify Begin ACK" }, 257 { LMP_OBJ_VERIFY_ID, "Verify ID" }, 258 { LMP_OBJ_TE_LINK, "TE Link" }, 259 { LMP_OBJ_DATA_LINK, "Data Link" }, 260 { LMP_OBJ_CHANNEL_STATUS, "Channel Status" }, 261 { LMP_OBJ_CHANNEL_STATUS_REQ, "Channel Status Request" }, 262 { LMP_OBJ_ERROR_CODE, "Error Code" }, 263 { LMP_OBJ_SERVICE_CONFIG, "Service Config" }, 264 265 { 0, NULL} 266 }; 267 268 #define INT_SWITCHING_TYPE_SUBOBJ 1 269 #define WAVELENGTH_SUBOBJ 2 270 271 static const struct tok lmp_data_link_subobj[] = { 272 { INT_SWITCHING_TYPE_SUBOBJ, "Interface Switching Type" }, 273 { WAVELENGTH_SUBOBJ , "Wavelength" }, 274 { 0, NULL} 275 }; 276 277 #define LMP_CTYPE_IPV4 1 278 #define LMP_CTYPE_IPV6 2 279 280 #define LMP_CTYPE_LOC 1 281 #define LMP_CTYPE_RMT 2 282 #define LMP_CTYPE_UNMD 3 283 284 #define LMP_CTYPE_IPV4_LOC 1 285 #define LMP_CTYPE_IPV4_RMT 2 286 #define LMP_CTYPE_IPV6_LOC 3 287 #define LMP_CTYPE_IPV6_RMT 4 288 #define LMP_CTYPE_UNMD_LOC 5 289 #define LMP_CTYPE_UNMD_RMT 6 290 291 #define LMP_CTYPE_1 1 292 #define LMP_CTYPE_2 2 293 294 #define LMP_CTYPE_HELLO_CONFIG 1 295 #define LMP_CTYPE_HELLO 1 296 297 #define LMP_CTYPE_BEGIN_VERIFY_ERROR 1 298 #define LMP_CTYPE_LINK_SUMMARY_ERROR 2 299 300 /* C-Types for Service Config Object */ 301 #define LMP_CTYPE_SERVICE_CONFIG_SP 1 302 #define LMP_CTYPE_SERVICE_CONFIG_CPSA 2 303 #define LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM 3 304 #define LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY 4 305 306 /* 307 * Different link types allowed in the Client Port Service Attributes 308 * subobject defined for LMP Service Discovery in the UNI 1.0 spec 309 */ 310 #define LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH 5 /* UNI 1.0 Sec 9.4.2 */ 311 #define LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET 6 /* UNI 1.0 Sec 9.4.2 */ 312 313 /* 314 * the ctypes are not globally unique so for 315 * translating it to strings we build a table based 316 * on objects offsetted by the ctype 317 */ 318 319 static const struct tok lmp_ctype_values[] = { 320 { 256*LMP_OBJ_CC_ID+LMP_CTYPE_LOC, "Local" }, 321 { 256*LMP_OBJ_CC_ID+LMP_CTYPE_RMT, "Remote" }, 322 { 256*LMP_OBJ_NODE_ID+LMP_CTYPE_LOC, "Local" }, 323 { 256*LMP_OBJ_NODE_ID+LMP_CTYPE_RMT, "Remote" }, 324 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV4_LOC, "IPv4 Local" }, 325 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV4_RMT, "IPv4 Remote" }, 326 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV6_LOC, "IPv6 Local" }, 327 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV6_RMT, "IPv6 Remote" }, 328 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_UNMD_LOC, "Unnumbered Local" }, 329 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_UNMD_RMT, "Unnumbered Remote" }, 330 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV4_LOC, "IPv4 Local" }, 331 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV4_RMT, "IPv4 Remote" }, 332 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV6_LOC, "IPv6 Local" }, 333 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV6_RMT, "IPv6 Remote" }, 334 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_UNMD_LOC, "Unnumbered Local" }, 335 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_UNMD_RMT, "Unnumbered Remote" }, 336 { 256*LMP_OBJ_MESSAGE_ID+LMP_CTYPE_1, "1" }, 337 { 256*LMP_OBJ_MESSAGE_ID+LMP_CTYPE_2, "2" }, 338 { 256*LMP_OBJ_CONFIG+LMP_CTYPE_1, "1" }, 339 { 256*LMP_OBJ_HELLO+LMP_CTYPE_1, "1" }, 340 { 256*LMP_OBJ_VERIFY_BEGIN+LMP_CTYPE_1, "1" }, 341 { 256*LMP_OBJ_VERIFY_BEGIN_ACK+LMP_CTYPE_1, "1" }, 342 { 256*LMP_OBJ_VERIFY_ID+LMP_CTYPE_1, "1" }, 343 { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_IPV4, "IPv4" }, 344 { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_IPV6, "IPv6" }, 345 { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_UNMD, "Unnumbered" }, 346 { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_IPV4, "IPv4" }, 347 { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_IPV6, "IPv6" }, 348 { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_UNMD, "Unnumbered" }, 349 { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_IPV4, "IPv4" }, 350 { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_IPV6, "IPv6" }, 351 { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_UNMD, "Unnumbered" }, 352 { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_IPV4, "IPv4" }, 353 { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_IPV6, "IPv6" }, 354 { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_UNMD, "Unnumbered" }, 355 { 256*LMP_OBJ_ERROR_CODE+LMP_CTYPE_1, "1" }, 356 { 256*LMP_OBJ_ERROR_CODE+LMP_CTYPE_2, "2" }, 357 { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_SP, "1" }, 358 { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_CPSA, "2" }, 359 { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM, "3" }, 360 { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY, "4" }, 361 { 0, NULL} 362 }; 363 364 static int 365 lmp_print_data_link_subobjs(netdissect_options *ndo, const u_char *obj_tptr, 366 int total_subobj_len, int offset) 367 { 368 int hexdump = FALSE; 369 int subobj_type, subobj_len; 370 371 union { /* int to float conversion buffer */ 372 float f; 373 uint32_t i; 374 } bw; 375 376 while (total_subobj_len > 0 && hexdump == FALSE ) { 377 subobj_type = GET_U_1(obj_tptr + offset); 378 subobj_len = GET_U_1(obj_tptr + offset + 1); 379 ND_PRINT("\n\t Subobject, Type: %s (%u), Length: %u", 380 tok2str(lmp_data_link_subobj, 381 "Unknown", 382 subobj_type), 383 subobj_type, 384 subobj_len); 385 if (subobj_len < 4) { 386 ND_PRINT(" (too short)"); 387 break; 388 } 389 if ((subobj_len % 4) != 0) { 390 ND_PRINT(" (not a multiple of 4)"); 391 break; 392 } 393 if (total_subobj_len < subobj_len) { 394 ND_PRINT(" (goes past the end of the object)"); 395 break; 396 } 397 switch(subobj_type) { 398 case INT_SWITCHING_TYPE_SUBOBJ: 399 ND_PRINT("\n\t Switching Type: %s (%u)", 400 tok2str(gmpls_switch_cap_values, 401 "Unknown", 402 GET_U_1(obj_tptr + offset + 2)), 403 GET_U_1(obj_tptr + offset + 2)); 404 ND_PRINT("\n\t Encoding Type: %s (%u)", 405 tok2str(gmpls_encoding_values, 406 "Unknown", 407 GET_U_1(obj_tptr + offset + 3)), 408 GET_U_1(obj_tptr + offset + 3)); 409 bw.i = GET_BE_U_4(obj_tptr + offset + 4); 410 ND_PRINT("\n\t Min Reservable Bandwidth: %.3f Mbps", 411 bw.f*8/1000000); 412 bw.i = GET_BE_U_4(obj_tptr + offset + 8); 413 ND_PRINT("\n\t Max Reservable Bandwidth: %.3f Mbps", 414 bw.f*8/1000000); 415 break; 416 case WAVELENGTH_SUBOBJ: 417 ND_PRINT("\n\t Wavelength: %u", 418 GET_BE_U_4(obj_tptr + offset + 4)); 419 break; 420 default: 421 /* Any Unknown Subobject ==> Exit loop */ 422 hexdump=TRUE; 423 break; 424 } 425 total_subobj_len-=subobj_len; 426 offset+=subobj_len; 427 } 428 return (hexdump); 429 } 430 431 void 432 lmp_print(netdissect_options *ndo, 433 const u_char *pptr, u_int length) 434 { 435 const struct lmp_common_header *lmp_com_header; 436 const u_char *tptr,*obj_tptr; 437 u_int version_res, tlen, lmp_obj_len, lmp_obj_ctype, obj_tlen; 438 int hexdump; 439 u_int offset; 440 u_int link_type; 441 442 union { /* int to float conversion buffer */ 443 float f; 444 uint32_t i; 445 } bw; 446 447 ndo->ndo_protocol = "lmp"; 448 tptr=pptr; 449 lmp_com_header = (const struct lmp_common_header *)pptr; 450 ND_TCHECK_SIZE(lmp_com_header); 451 452 version_res = GET_BE_U_2(lmp_com_header->version_res); 453 454 /* 455 * Sanity checking of the header. 456 */ 457 if (LMP_EXTRACT_VERSION(version_res) != LMP_VERSION) { 458 ND_PRINT("LMP version %u packet not supported", 459 LMP_EXTRACT_VERSION(version_res)); 460 return; 461 } 462 463 /* in non-verbose mode just lets print the basic Message Type*/ 464 if (ndo->ndo_vflag < 1) { 465 ND_PRINT("LMPv%u %s Message, length: %u", 466 LMP_EXTRACT_VERSION(version_res), 467 tok2str(lmp_msg_type_values, "unknown (%u)",GET_U_1(lmp_com_header->msg_type)), 468 length); 469 return; 470 } 471 472 /* ok they seem to want to know everything - lets fully decode it */ 473 474 tlen=GET_BE_U_2(lmp_com_header->length); 475 476 ND_PRINT("\n\tLMPv%u, msg-type: %s, Flags: [%s], length: %u", 477 LMP_EXTRACT_VERSION(version_res), 478 tok2str(lmp_msg_type_values, "unknown, type: %u",GET_U_1(lmp_com_header->msg_type)), 479 bittok2str(lmp_header_flag_values,"none",GET_U_1(lmp_com_header->flags)), 480 tlen); 481 if (tlen < sizeof(struct lmp_common_header)) { 482 ND_PRINT(" (too short)"); 483 return; 484 } 485 if (tlen > length) { 486 ND_PRINT(" (too long)"); 487 tlen = length; 488 } 489 490 tptr+=sizeof(struct lmp_common_header); 491 tlen-=sizeof(struct lmp_common_header); 492 493 while(tlen>0) { 494 const struct lmp_object_header *lmp_obj_header = 495 (const struct lmp_object_header *)tptr; 496 lmp_obj_len=GET_BE_U_2(lmp_obj_header->length); 497 lmp_obj_ctype=GET_U_1(lmp_obj_header->ctype)&0x7f; 498 499 ND_PRINT("\n\t %s Object (%u), Class-Type: %s (%u) Flags: [%snegotiable], length: %u", 500 tok2str(lmp_obj_values, 501 "Unknown", 502 GET_U_1(lmp_obj_header->class_num)), 503 GET_U_1(lmp_obj_header->class_num), 504 tok2str(lmp_ctype_values, 505 "Unknown", 506 (GET_U_1(lmp_obj_header->class_num)<<8)+lmp_obj_ctype), 507 lmp_obj_ctype, 508 GET_U_1(lmp_obj_header->ctype)&0x80 ? "" : "non-", 509 lmp_obj_len); 510 511 if (lmp_obj_len < 4) { 512 ND_PRINT(" (too short)"); 513 return; 514 } 515 if ((lmp_obj_len % 4) != 0) { 516 ND_PRINT(" (not a multiple of 4)"); 517 return; 518 } 519 520 obj_tptr=tptr+sizeof(struct lmp_object_header); 521 obj_tlen=lmp_obj_len-sizeof(struct lmp_object_header); 522 523 /* did we capture enough for fully decoding the object ? */ 524 ND_TCHECK_LEN(tptr, lmp_obj_len); 525 hexdump=FALSE; 526 527 switch(GET_U_1(lmp_obj_header->class_num)) { 528 529 case LMP_OBJ_CC_ID: 530 switch(lmp_obj_ctype) { 531 case LMP_CTYPE_LOC: 532 case LMP_CTYPE_RMT: 533 if (obj_tlen != 4) { 534 ND_PRINT(" (not correct for object)"); 535 break; 536 } 537 ND_PRINT("\n\t Control Channel ID: %u (0x%08x)", 538 GET_BE_U_4(obj_tptr), 539 GET_BE_U_4(obj_tptr)); 540 break; 541 542 default: 543 hexdump=TRUE; 544 } 545 break; 546 547 case LMP_OBJ_LINK_ID: 548 case LMP_OBJ_INTERFACE_ID: 549 switch(lmp_obj_ctype) { 550 case LMP_CTYPE_IPV4_LOC: 551 case LMP_CTYPE_IPV4_RMT: 552 if (obj_tlen != 4) { 553 ND_PRINT(" (not correct for object)"); 554 break; 555 } 556 ND_PRINT("\n\t IPv4 Link ID: %s (0x%08x)", 557 GET_IPADDR_STRING(obj_tptr), 558 GET_BE_U_4(obj_tptr)); 559 break; 560 case LMP_CTYPE_IPV6_LOC: 561 case LMP_CTYPE_IPV6_RMT: 562 if (obj_tlen != 16) { 563 ND_PRINT(" (not correct for object)"); 564 break; 565 } 566 ND_PRINT("\n\t IPv6 Link ID: %s (0x%08x)", 567 GET_IP6ADDR_STRING(obj_tptr), 568 GET_BE_U_4(obj_tptr)); 569 break; 570 case LMP_CTYPE_UNMD_LOC: 571 case LMP_CTYPE_UNMD_RMT: 572 if (obj_tlen != 4) { 573 ND_PRINT(" (not correct for object)"); 574 break; 575 } 576 ND_PRINT("\n\t Link ID: %u (0x%08x)", 577 GET_BE_U_4(obj_tptr), 578 GET_BE_U_4(obj_tptr)); 579 break; 580 default: 581 hexdump=TRUE; 582 } 583 break; 584 585 case LMP_OBJ_MESSAGE_ID: 586 switch(lmp_obj_ctype) { 587 case LMP_CTYPE_1: 588 if (obj_tlen != 4) { 589 ND_PRINT(" (not correct for object)"); 590 break; 591 } 592 ND_PRINT("\n\t Message ID: %u (0x%08x)", 593 GET_BE_U_4(obj_tptr), 594 GET_BE_U_4(obj_tptr)); 595 break; 596 case LMP_CTYPE_2: 597 if (obj_tlen != 4) { 598 ND_PRINT(" (not correct for object)"); 599 break; 600 } 601 ND_PRINT("\n\t Message ID Ack: %u (0x%08x)", 602 GET_BE_U_4(obj_tptr), 603 GET_BE_U_4(obj_tptr)); 604 break; 605 default: 606 hexdump=TRUE; 607 } 608 break; 609 610 case LMP_OBJ_NODE_ID: 611 switch(lmp_obj_ctype) { 612 case LMP_CTYPE_LOC: 613 case LMP_CTYPE_RMT: 614 if (obj_tlen != 4) { 615 ND_PRINT(" (not correct for object)"); 616 break; 617 } 618 ND_PRINT("\n\t Node ID: %s (0x%08x)", 619 GET_IPADDR_STRING(obj_tptr), 620 GET_BE_U_4(obj_tptr)); 621 break; 622 623 default: 624 hexdump=TRUE; 625 } 626 break; 627 628 case LMP_OBJ_CONFIG: 629 switch(lmp_obj_ctype) { 630 case LMP_CTYPE_HELLO_CONFIG: 631 if (obj_tlen != 4) { 632 ND_PRINT(" (not correct for object)"); 633 break; 634 } 635 ND_PRINT("\n\t Hello Interval: %u\n\t Hello Dead Interval: %u", 636 GET_BE_U_2(obj_tptr), 637 GET_BE_U_2(obj_tptr + 2)); 638 break; 639 640 default: 641 hexdump=TRUE; 642 } 643 break; 644 645 case LMP_OBJ_HELLO: 646 switch(lmp_obj_ctype) { 647 case LMP_CTYPE_HELLO: 648 if (obj_tlen != 8) { 649 ND_PRINT(" (not correct for object)"); 650 break; 651 } 652 ND_PRINT("\n\t Tx Seq: %u, Rx Seq: %u", 653 GET_BE_U_4(obj_tptr), 654 GET_BE_U_4(obj_tptr + 4)); 655 break; 656 657 default: 658 hexdump=TRUE; 659 } 660 break; 661 662 case LMP_OBJ_TE_LINK: 663 switch(lmp_obj_ctype) { 664 case LMP_CTYPE_IPV4: 665 if (obj_tlen != 12) { 666 ND_PRINT(" (not correct for object)"); 667 break; 668 } 669 ND_PRINT("\n\t Flags: [%s]", 670 bittok2str(lmp_obj_te_link_flag_values, 671 "none", 672 GET_U_1(obj_tptr))); 673 674 ND_PRINT("\n\t Local Link-ID: %s (0x%08x)" 675 "\n\t Remote Link-ID: %s (0x%08x)", 676 GET_IPADDR_STRING(obj_tptr+4), 677 GET_BE_U_4(obj_tptr + 4), 678 GET_IPADDR_STRING(obj_tptr+8), 679 GET_BE_U_4(obj_tptr + 8)); 680 break; 681 682 case LMP_CTYPE_IPV6: 683 if (obj_tlen != 36) { 684 ND_PRINT(" (not correct for object)"); 685 break; 686 } 687 ND_PRINT("\n\t Flags: [%s]", 688 bittok2str(lmp_obj_te_link_flag_values, 689 "none", 690 GET_U_1(obj_tptr))); 691 692 ND_PRINT("\n\t Local Link-ID: %s (0x%08x)" 693 "\n\t Remote Link-ID: %s (0x%08x)", 694 GET_IP6ADDR_STRING(obj_tptr+4), 695 GET_BE_U_4(obj_tptr + 4), 696 GET_IP6ADDR_STRING(obj_tptr+20), 697 GET_BE_U_4(obj_tptr + 20)); 698 break; 699 700 case LMP_CTYPE_UNMD: 701 if (obj_tlen != 12) { 702 ND_PRINT(" (not correct for object)"); 703 break; 704 } 705 ND_PRINT("\n\t Flags: [%s]", 706 bittok2str(lmp_obj_te_link_flag_values, 707 "none", 708 GET_U_1(obj_tptr))); 709 710 ND_PRINT("\n\t Local Link-ID: %u (0x%08x)" 711 "\n\t Remote Link-ID: %u (0x%08x)", 712 GET_BE_U_4(obj_tptr + 4), 713 GET_BE_U_4(obj_tptr + 4), 714 GET_BE_U_4(obj_tptr + 8), 715 GET_BE_U_4(obj_tptr + 8)); 716 break; 717 718 default: 719 hexdump=TRUE; 720 } 721 break; 722 723 case LMP_OBJ_DATA_LINK: 724 switch(lmp_obj_ctype) { 725 case LMP_CTYPE_IPV4: 726 if (obj_tlen < 12) { 727 ND_PRINT(" (not correct for object)"); 728 break; 729 } 730 ND_PRINT("\n\t Flags: [%s]", 731 bittok2str(lmp_obj_data_link_flag_values, 732 "none", 733 GET_U_1(obj_tptr))); 734 ND_PRINT("\n\t Local Interface ID: %s (0x%08x)" 735 "\n\t Remote Interface ID: %s (0x%08x)", 736 GET_IPADDR_STRING(obj_tptr+4), 737 GET_BE_U_4(obj_tptr + 4), 738 GET_IPADDR_STRING(obj_tptr+8), 739 GET_BE_U_4(obj_tptr + 8)); 740 741 if (lmp_print_data_link_subobjs(ndo, obj_tptr, obj_tlen - 12, 12)) 742 hexdump=TRUE; 743 break; 744 745 case LMP_CTYPE_IPV6: 746 if (obj_tlen < 36) { 747 ND_PRINT(" (not correct for object)"); 748 break; 749 } 750 ND_PRINT("\n\t Flags: [%s]", 751 bittok2str(lmp_obj_data_link_flag_values, 752 "none", 753 GET_U_1(obj_tptr))); 754 ND_PRINT("\n\t Local Interface ID: %s (0x%08x)" 755 "\n\t Remote Interface ID: %s (0x%08x)", 756 GET_IP6ADDR_STRING(obj_tptr+4), 757 GET_BE_U_4(obj_tptr + 4), 758 GET_IP6ADDR_STRING(obj_tptr+20), 759 GET_BE_U_4(obj_tptr + 20)); 760 761 if (lmp_print_data_link_subobjs(ndo, obj_tptr, obj_tlen - 36, 36)) 762 hexdump=TRUE; 763 break; 764 765 case LMP_CTYPE_UNMD: 766 if (obj_tlen < 12) { 767 ND_PRINT(" (not correct for object)"); 768 break; 769 } 770 ND_PRINT("\n\t Flags: [%s]", 771 bittok2str(lmp_obj_data_link_flag_values, 772 "none", 773 GET_U_1(obj_tptr))); 774 ND_PRINT("\n\t Local Interface ID: %u (0x%08x)" 775 "\n\t Remote Interface ID: %u (0x%08x)", 776 GET_BE_U_4(obj_tptr + 4), 777 GET_BE_U_4(obj_tptr + 4), 778 GET_BE_U_4(obj_tptr + 8), 779 GET_BE_U_4(obj_tptr + 8)); 780 781 if (lmp_print_data_link_subobjs(ndo, obj_tptr, obj_tlen - 12, 12)) 782 hexdump=TRUE; 783 break; 784 785 default: 786 hexdump=TRUE; 787 } 788 break; 789 790 case LMP_OBJ_VERIFY_BEGIN: 791 switch(lmp_obj_ctype) { 792 case LMP_CTYPE_1: 793 if (obj_tlen != 20) { 794 ND_PRINT(" (not correct for object)"); 795 break; 796 } 797 ND_PRINT("\n\t Flags: %s", 798 bittok2str(lmp_obj_begin_verify_flag_values, 799 "none", 800 GET_BE_U_2(obj_tptr))); 801 ND_PRINT("\n\t Verify Interval: %u", 802 GET_BE_U_2(obj_tptr + 2)); 803 ND_PRINT("\n\t Data links: %u", 804 GET_BE_U_4(obj_tptr + 4)); 805 ND_PRINT("\n\t Encoding type: %s", 806 tok2str(gmpls_encoding_values, "Unknown", GET_U_1((obj_tptr + 8)))); 807 ND_PRINT("\n\t Verify Transport Mechanism: %u (0x%x)%s", 808 GET_BE_U_2(obj_tptr + 10), 809 GET_BE_U_2(obj_tptr + 10), 810 GET_BE_U_2(obj_tptr + 10)&8000 ? " (Payload test messages capable)" : ""); 811 bw.i = GET_BE_U_4(obj_tptr + 12); 812 ND_PRINT("\n\t Transmission Rate: %.3f Mbps",bw.f*8/1000000); 813 ND_PRINT("\n\t Wavelength: %u", 814 GET_BE_U_4(obj_tptr + 16)); 815 break; 816 817 default: 818 hexdump=TRUE; 819 } 820 break; 821 822 case LMP_OBJ_VERIFY_BEGIN_ACK: 823 switch(lmp_obj_ctype) { 824 case LMP_CTYPE_1: 825 if (obj_tlen != 4) { 826 ND_PRINT(" (not correct for object)"); 827 break; 828 } 829 ND_PRINT("\n\t Verify Dead Interval: %u" 830 "\n\t Verify Transport Response: %u", 831 GET_BE_U_2(obj_tptr), 832 GET_BE_U_2(obj_tptr + 2)); 833 break; 834 835 default: 836 hexdump=TRUE; 837 } 838 break; 839 840 case LMP_OBJ_VERIFY_ID: 841 switch(lmp_obj_ctype) { 842 case LMP_CTYPE_1: 843 if (obj_tlen != 4) { 844 ND_PRINT(" (not correct for object)"); 845 break; 846 } 847 ND_PRINT("\n\t Verify ID: %u", 848 GET_BE_U_4(obj_tptr)); 849 break; 850 851 default: 852 hexdump=TRUE; 853 } 854 break; 855 856 case LMP_OBJ_CHANNEL_STATUS: 857 switch(lmp_obj_ctype) { 858 case LMP_CTYPE_IPV4: 859 offset = 0; 860 /* Decode pairs: <Interface_ID (4 bytes), Channel_status (4 bytes)> */ 861 while (offset+8 <= obj_tlen) { 862 ND_PRINT("\n\t Interface ID: %s (0x%08x)", 863 GET_IPADDR_STRING(obj_tptr+offset), 864 GET_BE_U_4(obj_tptr + offset)); 865 866 ND_PRINT("\n\t\t Active: %s (%u)", 867 (GET_BE_U_4(obj_tptr + offset + 4)>>31) ? 868 "Allocated" : "Non-allocated", 869 (GET_BE_U_4(obj_tptr + offset + 4)>>31)); 870 871 ND_PRINT("\n\t\t Direction: %s (%u)", 872 (GET_BE_U_4(obj_tptr + offset + 4)>>30)&0x1 ? 873 "Transmit" : "Receive", 874 (GET_BE_U_4(obj_tptr + offset + 4)>>30)&0x1); 875 876 ND_PRINT("\n\t\t Channel Status: %s (%u)", 877 tok2str(lmp_obj_channel_status_values, 878 "Unknown", 879 GET_BE_U_4(obj_tptr + offset + 4)&0x3FFFFFF), 880 GET_BE_U_4(obj_tptr + offset + 4)&0x3FFFFFF); 881 offset+=8; 882 } 883 break; 884 885 case LMP_CTYPE_IPV6: 886 offset = 0; 887 /* Decode pairs: <Interface_ID (16 bytes), Channel_status (4 bytes)> */ 888 while (offset+20 <= obj_tlen) { 889 ND_PRINT("\n\t Interface ID: %s (0x%08x)", 890 GET_IP6ADDR_STRING(obj_tptr+offset), 891 GET_BE_U_4(obj_tptr + offset)); 892 893 ND_PRINT("\n\t\t Active: %s (%u)", 894 (GET_BE_U_4(obj_tptr + offset + 16)>>31) ? 895 "Allocated" : "Non-allocated", 896 (GET_BE_U_4(obj_tptr + offset + 16)>>31)); 897 898 ND_PRINT("\n\t\t Direction: %s (%u)", 899 (GET_BE_U_4(obj_tptr + offset + 16)>>30)&0x1 ? 900 "Transmit" : "Receive", 901 (GET_BE_U_4(obj_tptr + offset + 16)>>30)&0x1); 902 903 ND_PRINT("\n\t\t Channel Status: %s (%u)", 904 tok2str(lmp_obj_channel_status_values, 905 "Unknown", 906 GET_BE_U_4(obj_tptr + offset + 16)&0x3FFFFFF), 907 GET_BE_U_4(obj_tptr + offset + 16)&0x3FFFFFF); 908 offset+=20; 909 } 910 break; 911 912 case LMP_CTYPE_UNMD: 913 offset = 0; 914 /* Decode pairs: <Interface_ID (4 bytes), Channel_status (4 bytes)> */ 915 while (offset+8 <= obj_tlen) { 916 ND_PRINT("\n\t Interface ID: %u (0x%08x)", 917 GET_BE_U_4(obj_tptr + offset), 918 GET_BE_U_4(obj_tptr + offset)); 919 920 ND_PRINT("\n\t\t Active: %s (%u)", 921 (GET_BE_U_4(obj_tptr + offset + 4)>>31) ? 922 "Allocated" : "Non-allocated", 923 (GET_BE_U_4(obj_tptr + offset + 4)>>31)); 924 925 ND_PRINT("\n\t\t Direction: %s (%u)", 926 (GET_BE_U_4(obj_tptr + offset + 4)>>30)&0x1 ? 927 "Transmit" : "Receive", 928 (GET_BE_U_4(obj_tptr + offset + 4)>>30)&0x1); 929 930 ND_PRINT("\n\t\t Channel Status: %s (%u)", 931 tok2str(lmp_obj_channel_status_values, 932 "Unknown", 933 GET_BE_U_4(obj_tptr + offset + 4)&0x3FFFFFF), 934 GET_BE_U_4(obj_tptr + offset + 4)&0x3FFFFFF); 935 offset+=8; 936 } 937 break; 938 939 default: 940 hexdump=TRUE; 941 } 942 break; 943 944 case LMP_OBJ_CHANNEL_STATUS_REQ: 945 switch(lmp_obj_ctype) { 946 case LMP_CTYPE_IPV4: 947 offset = 0; 948 while (offset+4 <= obj_tlen) { 949 ND_PRINT("\n\t Interface ID: %s (0x%08x)", 950 GET_IPADDR_STRING(obj_tptr+offset), 951 GET_BE_U_4(obj_tptr + offset)); 952 offset+=4; 953 } 954 break; 955 956 case LMP_CTYPE_IPV6: 957 offset = 0; 958 while (offset+16 <= obj_tlen) { 959 ND_PRINT("\n\t Interface ID: %s (0x%08x)", 960 GET_IP6ADDR_STRING(obj_tptr+offset), 961 GET_BE_U_4(obj_tptr + offset)); 962 offset+=16; 963 } 964 break; 965 966 case LMP_CTYPE_UNMD: 967 offset = 0; 968 while (offset+4 <= obj_tlen) { 969 ND_PRINT("\n\t Interface ID: %u (0x%08x)", 970 GET_BE_U_4(obj_tptr + offset), 971 GET_BE_U_4(obj_tptr + offset)); 972 offset+=4; 973 } 974 break; 975 976 default: 977 hexdump=TRUE; 978 } 979 break; 980 981 case LMP_OBJ_ERROR_CODE: 982 switch(lmp_obj_ctype) { 983 case LMP_CTYPE_BEGIN_VERIFY_ERROR: 984 if (obj_tlen != 4) { 985 ND_PRINT(" (not correct for object)"); 986 break; 987 } 988 ND_PRINT("\n\t Error Code: %s", 989 bittok2str(lmp_obj_begin_verify_error_values, 990 "none", 991 GET_BE_U_4(obj_tptr))); 992 break; 993 994 case LMP_CTYPE_LINK_SUMMARY_ERROR: 995 if (obj_tlen != 4) { 996 ND_PRINT(" (not correct for object)"); 997 break; 998 } 999 ND_PRINT("\n\t Error Code: %s", 1000 bittok2str(lmp_obj_link_summary_error_values, 1001 "none", 1002 GET_BE_U_4(obj_tptr))); 1003 break; 1004 default: 1005 hexdump=TRUE; 1006 } 1007 break; 1008 1009 case LMP_OBJ_SERVICE_CONFIG: 1010 switch (lmp_obj_ctype) { 1011 case LMP_CTYPE_SERVICE_CONFIG_SP: 1012 if (obj_tlen != 4) { 1013 ND_PRINT(" (not correct for object)"); 1014 break; 1015 } 1016 ND_PRINT("\n\t Flags: %s", 1017 bittok2str(lmp_obj_service_config_sp_flag_values, 1018 "none", 1019 GET_U_1(obj_tptr))); 1020 1021 ND_PRINT("\n\t UNI Version: %u", 1022 GET_U_1(obj_tptr + 1)); 1023 1024 break; 1025 1026 case LMP_CTYPE_SERVICE_CONFIG_CPSA: 1027 if (obj_tlen != 16) { 1028 ND_PRINT(" (not correct for object)"); 1029 break; 1030 } 1031 1032 link_type = GET_U_1(obj_tptr); 1033 1034 ND_PRINT("\n\t Link Type: %s (%u)", 1035 tok2str(lmp_sd_service_config_cpsa_link_type_values, 1036 "Unknown", link_type), 1037 link_type); 1038 1039 switch (link_type) { 1040 case LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH: 1041 ND_PRINT("\n\t Signal Type: %s (%u)", 1042 tok2str(lmp_sd_service_config_cpsa_signal_type_sdh_values, 1043 "Unknown", 1044 GET_U_1(obj_tptr + 1)), 1045 GET_U_1(obj_tptr + 1)); 1046 break; 1047 1048 case LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET: 1049 ND_PRINT("\n\t Signal Type: %s (%u)", 1050 tok2str(lmp_sd_service_config_cpsa_signal_type_sonet_values, 1051 "Unknown", 1052 GET_U_1(obj_tptr + 1)), 1053 GET_U_1(obj_tptr + 1)); 1054 break; 1055 } 1056 1057 ND_PRINT("\n\t Transparency: %s", 1058 bittok2str(lmp_obj_service_config_cpsa_tp_flag_values, 1059 "none", 1060 GET_U_1(obj_tptr + 2))); 1061 1062 ND_PRINT("\n\t Contiguous Concatenation Types: %s", 1063 bittok2str(lmp_obj_service_config_cpsa_cct_flag_values, 1064 "none", 1065 GET_U_1(obj_tptr + 3))); 1066 1067 ND_PRINT("\n\t Minimum NCC: %u", 1068 GET_BE_U_2(obj_tptr + 4)); 1069 1070 ND_PRINT("\n\t Maximum NCC: %u", 1071 GET_BE_U_2(obj_tptr + 6)); 1072 1073 ND_PRINT("\n\t Minimum NVC:%u", 1074 GET_BE_U_2(obj_tptr + 8)); 1075 1076 ND_PRINT("\n\t Maximum NVC:%u", 1077 GET_BE_U_2(obj_tptr + 10)); 1078 1079 ND_PRINT("\n\t Local Interface ID: %s (0x%08x)", 1080 GET_IPADDR_STRING(obj_tptr+12), 1081 GET_BE_U_4(obj_tptr + 12)); 1082 1083 break; 1084 1085 case LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM: 1086 if (obj_tlen != 8) { 1087 ND_PRINT(" (not correct for object)"); 1088 break; 1089 } 1090 1091 ND_PRINT("\n\t Transparency Flags: %s", 1092 bittok2str( 1093 lmp_obj_service_config_nsa_transparency_flag_values, 1094 "none", 1095 GET_BE_U_4(obj_tptr))); 1096 1097 ND_PRINT("\n\t TCM Monitoring Flags: %s", 1098 bittok2str( 1099 lmp_obj_service_config_nsa_tcm_flag_values, 1100 "none", 1101 GET_U_1(obj_tptr + 7))); 1102 1103 break; 1104 1105 case LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY: 1106 if (obj_tlen != 4) { 1107 ND_PRINT(" (not correct for object)"); 1108 break; 1109 } 1110 1111 ND_PRINT("\n\t Diversity: Flags: %s", 1112 bittok2str( 1113 lmp_obj_service_config_nsa_network_diversity_flag_values, 1114 "none", 1115 GET_U_1(obj_tptr + 3))); 1116 break; 1117 1118 default: 1119 hexdump = TRUE; 1120 } 1121 1122 break; 1123 1124 default: 1125 if (ndo->ndo_vflag <= 1) 1126 print_unknown_data(ndo,obj_tptr,"\n\t ",obj_tlen); 1127 break; 1128 } 1129 /* do we want to see an additionally hexdump ? */ 1130 if (ndo->ndo_vflag > 1 || hexdump==TRUE) 1131 print_unknown_data(ndo,tptr+sizeof(struct lmp_object_header),"\n\t ", 1132 lmp_obj_len-sizeof(struct lmp_object_header)); 1133 1134 if (tlen < lmp_obj_len) { 1135 ND_PRINT(" [remaining objects length %u < %u]", tlen, lmp_obj_len); 1136 nd_print_invalid(ndo); 1137 break; 1138 } 1139 tptr+=lmp_obj_len; 1140 tlen-=lmp_obj_len; 1141 } 1142 } 1143
Indexes created Sat Mar 28 00:23:22 UTC 2026