The Tcpdump Group git mirrors - tcpdump/blob - 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@juniper.net)
  14  * Support for LMP service discovery extensions (defined by UNI 1.0) added
  15  * by Manu Pathak (mapathak@cisco.com), May 2005
  16  */
  17
  18 #ifndef lint
  19 static const char rcsid[] _U_ =
  20     "@(#) $Header: /tcpdump/master/tcpdump/print-lmp.c,v 1.6 2005-05-19 06:40:00 guy Exp $";
  21 #endif
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include "config.h"
  25 #endif
  26
  27 #include <tcpdump-stdinc.h>
  28
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <string.h>
  32
  33 #include "interface.h"
  34 #include "extract.h"
  35 #include "addrtoname.h"
  36 #include "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     u_int8_t version_res[2];
  52     u_int8_t flags;
  53     u_int8_t msg_type;
  54     u_int8_t length[2];
  55     u_int8_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     { 0x00, "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, "\n\t\tLink Verification Procedure Not supported"},
  95     { 0x02, "\n\t\tUnwilling to verify"},
  96     { 0x04, "\n\t\tUnsupported verification transport mechanism"},
  97     { 0x08, "\n\t\tLink_Id configuration error"},
  98     { 0x10, "\n\t\tUnknown object c-type"},
  99     { 0, NULL}
 100 };
 101
 102 static const struct tok lmp_obj_link_summary_error_values[] = {
 103     { 0x01, "\n\t\tUnacceptable non-negotiable LINK_SUMMARY parameters"},
 104     { 0x02, "\n\t\tRenegotiate LINK_SUMMARY parameters"},
 105     { 0x04, "\n\t\tInvalid TE-LINK Object"},
 106     { 0x08, "\n\t\tInvalid DATA-LINK Object"},
 107     { 0x10, "\n\t\tUnknown TE-LINK Object c-type"},
 108     { 0x20, "\n\t\tUnknown 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     u_int8_t ctype;
 222     u_int8_t class_num;
 223     u_int8_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 #define FALSE 0
 311 #define TRUE  1
 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 void
 365 lmp_print(register const u_char *pptr, register u_int len) {
 366
 367     const struct lmp_common_header *lmp_com_header;
 368     const struct lmp_object_header *lmp_obj_header;
 369     const u_char *tptr,*obj_tptr;
 370     int tlen,lmp_obj_len,lmp_obj_ctype,obj_tlen;
 371     int hexdump;
 372     int offset,subobj_type,subobj_len,total_subobj_len;
 373     int link_type;
 374
 375     union { /* int to float conversion buffer */
 376         float f;
 377         u_int32_t i;
 378     } bw;
 379
 380     tptr=pptr;
 381     lmp_com_header = (const struct lmp_common_header *)pptr;
 382     TCHECK(*lmp_com_header);
 383
 384     /*
 385      * Sanity checking of the header.
 386      */
 387     if (LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]) != LMP_VERSION) {
 388         printf("LMP version %u packet not supported",
 389                LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]));
 390         return;
 391     }
 392
 393     /* in non-verbose mode just lets print the basic Message Type*/
 394     if (vflag < 1) {
 395         printf("LMPv%u %s Message, length: %u",
 396                LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]),
 397                tok2str(lmp_msg_type_values, "unknown (%u)",lmp_com_header->msg_type),
 398                len);
 399         return;
 400     }
 401
 402     /* ok they seem to want to know everything - lets fully decode it */
 403
 404     tlen=EXTRACT_16BITS(lmp_com_header->length);
 405
 406     printf("\n\tLMPv%u, msg-type: %s, Flags: [%s], length: %u",
 407            LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]),
 408            tok2str(lmp_msg_type_values, "unknown, type: %u",lmp_com_header->msg_type),
 409            bittok2str(lmp_header_flag_values,"none",lmp_com_header->flags),
 410            tlen);
 411
 412     tptr+=sizeof(const struct lmp_common_header);
 413     tlen-=sizeof(const struct lmp_common_header);
 414
 415     while(tlen>0) {
 416         /* did we capture enough for fully decoding the object header ? */
 417         if (!TTEST2(*tptr, sizeof(struct lmp_object_header)))
 418             goto trunc;
 419
 420         lmp_obj_header = (const struct lmp_object_header *)tptr;
 421         lmp_obj_len=EXTRACT_16BITS(lmp_obj_header->length);
 422         lmp_obj_ctype=(lmp_obj_header->ctype)&0x7f;
 423
 424         if(lmp_obj_len % 4 || lmp_obj_len < 4)
 425             return;
 426
 427         printf("\n\t  %s Object (%u), Class-Type: %s (%u) Flags: [%snegotiable], length: %u",
 428                tok2str(lmp_obj_values,
 429                        "Unknown",
 430                        lmp_obj_header->class_num),
 431                lmp_obj_header->class_num,
 432                tok2str(lmp_ctype_values,
 433                        "Unknown",
 434                        ((lmp_obj_header->class_num)<<8)+lmp_obj_ctype),
 435                lmp_obj_ctype,
 436                (lmp_obj_header->ctype)&0x80 ? "" : "non-",
 437                lmp_obj_len);
 438
 439         obj_tptr=tptr+sizeof(struct lmp_object_header);
 440         obj_tlen=lmp_obj_len-sizeof(struct lmp_object_header);
 441
 442         /* did we capture enough for fully decoding the object ? */
 443         if (!TTEST2(*tptr, lmp_obj_len))
 444             goto trunc;
 445         hexdump=FALSE;
 446
 447         switch(lmp_obj_header->class_num) {
 448
 449         case LMP_OBJ_CC_ID:
 450             switch(lmp_obj_ctype) {
 451             case LMP_CTYPE_LOC:
 452             case LMP_CTYPE_RMT:
 453                 printf("\n\t    Control Channel ID: %u (0x%08x)",
 454                        EXTRACT_32BITS(obj_tptr),
 455                        EXTRACT_32BITS(obj_tptr));
 456                 break;
 457
 458             default:
 459                 hexdump=TRUE;
 460             }
 461             break;
 462
 463         case LMP_OBJ_LINK_ID:
 464         case LMP_OBJ_INTERFACE_ID:
 465             switch(lmp_obj_ctype) {
 466             case LMP_CTYPE_IPV4_LOC:
 467             case LMP_CTYPE_IPV4_RMT:
 468                 printf("\n\t    IPv4 Link ID: %s (0x%08x)",
 469                        ipaddr_string(obj_tptr),
 470                        EXTRACT_32BITS(obj_tptr));
 471                 break;
 472 #ifdef INET6
 473             case LMP_CTYPE_IPV6_LOC:
 474             case LMP_CTYPE_IPV6_RMT:
 475                 printf("\n\t    IPv6 Link ID: %s (0x%08x)",
 476                        ip6addr_string(obj_tptr),
 477                        EXTRACT_32BITS(obj_tptr));
 478                 break;
 479 #endif
 480             case LMP_CTYPE_UNMD_LOC:
 481             case LMP_CTYPE_UNMD_RMT:
 482                 printf("\n\t    Link ID: %u (0x%08x)",
 483                        EXTRACT_32BITS(obj_tptr),
 484                        EXTRACT_32BITS(obj_tptr));
 485                 break;
 486             default:
 487                 hexdump=TRUE;
 488             }
 489             break;
 490
 491         case LMP_OBJ_MESSAGE_ID:
 492             switch(lmp_obj_ctype) {
 493             case LMP_CTYPE_1:
 494                 printf("\n\t    Message ID: %u (0x%08x)",
 495                        EXTRACT_32BITS(obj_tptr),
 496                        EXTRACT_32BITS(obj_tptr));
 497                 break;
 498             case LMP_CTYPE_2:
 499                 printf("\n\t    Message ID Ack: %u (0x%08x)",
 500                        EXTRACT_32BITS(obj_tptr),
 501                        EXTRACT_32BITS(obj_tptr));
 502                 break;
 503             default:
 504                 hexdump=TRUE;
 505             }
 506             break;
 507
 508         case LMP_OBJ_NODE_ID:
 509             switch(lmp_obj_ctype) {
 510             case LMP_CTYPE_LOC:
 511             case LMP_CTYPE_RMT:
 512                 printf("\n\t    Node ID: %s (0x%08x)",
 513                        ipaddr_string(obj_tptr),
 514                        EXTRACT_32BITS(obj_tptr));
 515                 break;
 516
 517             default:
 518                 hexdump=TRUE;
 519             }
 520             break;
 521
 522         case LMP_OBJ_CONFIG:
 523             switch(lmp_obj_ctype) {
 524             case LMP_CTYPE_HELLO_CONFIG:
 525                 printf("\n\t    Hello Interval: %u\n\t    Hello Dead Interval: %u",
 526                        EXTRACT_16BITS(obj_tptr),
 527                        EXTRACT_16BITS(obj_tptr+2));
 528                 break;
 529
 530             default:
 531                 hexdump=TRUE;
 532             }
 533             break;
 534
 535         case LMP_OBJ_HELLO:
 536             switch(lmp_obj_ctype) {
 537             case LMP_CTYPE_HELLO:
 538                 printf("\n\t    TxSeqNum: %u\n\t    RcvSeqNum: %u",
 539                        EXTRACT_32BITS(obj_tptr),
 540                        EXTRACT_32BITS(obj_tptr+4));
 541                 break;
 542
 543             default:
 544                 hexdump=TRUE;
 545             }
 546             break;
 547
 548         case LMP_OBJ_TE_LINK:
 549                 printf("\n\t    Flags: [%s]",
 550                 bittok2str(lmp_obj_te_link_flag_values,
 551                         "none",
 552                         EXTRACT_16BITS(obj_tptr)>>8));
 553
 554             switch(lmp_obj_ctype) {
 555             case LMP_CTYPE_IPV4:
 556                 printf("\n\t    Local Link-ID: %s (0x%08x) \
 557                         \n\t    Remote Link-ID: %s (0x%08x)",
 558                        ipaddr_string(obj_tptr+4),
 559                        EXTRACT_32BITS(obj_tptr+4),
 560                        ipaddr_string(obj_tptr+8),
 561                        EXTRACT_32BITS(obj_tptr+8));
 562                 break;
 563
 564 #ifdef INET6
 565             case LMP_CTYPE_IPV6:
 566 #endif
 567             case LMP_CTYPE_UNMD:
 568             default:
 569                 hexdump=TRUE;
 570             }
 571             break;
 572
 573         case LMP_OBJ_DATA_LINK:
 574                 printf("\n\t    Flags: [%s]",
 575                 bittok2str(lmp_obj_data_link_flag_values,
 576                         "none",
 577                         EXTRACT_16BITS(obj_tptr)>>8));
 578
 579             switch(lmp_obj_ctype) {
 580             case LMP_CTYPE_IPV4:
 581             case LMP_CTYPE_UNMD:
 582                 printf("\n\t    Local Interface ID: %s (0x%08x) \
 583                         \n\t    Remote Interface ID: %s (0x%08x)",
 584                        ipaddr_string(obj_tptr+4),
 585                        EXTRACT_32BITS(obj_tptr+4),
 586                        ipaddr_string(obj_tptr+8),
 587                        EXTRACT_32BITS(obj_tptr+8));
 588
 589                 total_subobj_len = lmp_obj_len - 16;
 590                 offset = 12;
 591                 while (total_subobj_len > 0 && hexdump == FALSE ) {
 592                         subobj_type = EXTRACT_16BITS(obj_tptr+offset)>>8;
 593                         subobj_len  = EXTRACT_16BITS(obj_tptr+offset)&0x00FF;
 594                         printf("\n\t    Subobject, Type: %s (%u), Length: %u",
 595                                 tok2str(lmp_data_link_subobj,
 596                                         "Unknown",
 597                                         subobj_type),
 598                                         subobj_type,
 599                                         subobj_len);
 600                         switch(subobj_type) {
 601                         case INT_SWITCHING_TYPE_SUBOBJ:
 602                                 printf("\n\t\t    Switching Type: %s (%u)",
 603                                         tok2str(gmpls_switch_cap_values,
 604                                                 "Unknown",
 605                                                 EXTRACT_16BITS(obj_tptr+offset+2)>>8),
 606                                         EXTRACT_16BITS(obj_tptr+offset+2)>>8);
 607                                 printf("\n\t\t    Encoding Type: %s (%u)",
 608                                         tok2str(gmpls_encoding_values,
 609                                                 "Unknown",
 610                                                 EXTRACT_16BITS(obj_tptr+offset+2)&0x00FF),
 611                                         EXTRACT_16BITS(obj_tptr+offset+2)&0x00FF);
 612                                 bw.i = EXTRACT_32BITS(obj_tptr+offset+4);
 613                                 printf("\n\t\t    Min Reservable Bandwidth: %.3f Mbps",
 614                                         bw.f);
 615                                 bw.i = EXTRACT_32BITS(obj_tptr+offset+8);
 616                                 printf("\n\t\t    Max Reservable Bandwidth: %.3f Mbps",
 617                                         bw.f);
 618                                 break;
 619                         case WAVELENGTH_SUBOBJ:
 620                                 printf("\n\t\t    Wavelength: %u",
 621                                         EXTRACT_32BITS(obj_tptr+offset+4));
 622                                 break;
 623                         default:
 624                                 /* Any Unknown Subobject ==> Exit loop */
 625                                 hexdump=TRUE;
 626                                 break;
 627                         }
 628                         total_subobj_len-=subobj_len;
 629                         offset+=subobj_len;
 630                 }
 631
 632                 break;
 633 #ifdef INET6
 634             case LMP_CTYPE_IPV6:
 635 #endif
 636             default:
 637                 hexdump=TRUE;
 638             }
 639             break;
 640
 641         case LMP_OBJ_VERIFY_BEGIN:
 642             switch(lmp_obj_ctype) {
 643             case LMP_CTYPE_1:
 644                 printf("\n\t    Flags: %s",
 645                 bittok2str(lmp_obj_begin_verify_flag_values,
 646                         "none",
 647                         EXTRACT_16BITS(obj_tptr)));
 648                 printf("\n\t    Verify Interval: %u",
 649                         EXTRACT_16BITS(obj_tptr+2));
 650                 printf("\n\t    Data links: %u",
 651                         EXTRACT_32BITS(obj_tptr+4));
 652                 printf("\n\t    Encoding type: %s",
 653                         tok2str(gmpls_encoding_values, "Unknown", *(obj_tptr+8)));
 654                 printf("\n\t    Verify Tranport Mechanism: %u (0x%x) %s",
 655                         EXTRACT_16BITS(obj_tptr+10),
 656                         EXTRACT_16BITS(obj_tptr+10),
 657                         EXTRACT_16BITS(obj_tptr+10)&8000 ? "(Payload test messages capable)" : "");
 658                 bw.i = EXTRACT_32BITS(obj_tptr+12);
 659                 printf("\n\t    Transmission Rate: %.3f Mbps",bw.f);
 660                 printf("\n\t    Wavelength: %u",
 661                         EXTRACT_32BITS(obj_tptr+16));
 662                 break;
 663
 664             default:
 665                 hexdump=TRUE;
 666             }
 667             break;
 668
 669         case LMP_OBJ_VERIFY_BEGIN_ACK:
 670             switch(lmp_obj_ctype) {
 671             case LMP_CTYPE_1:
 672                 printf("\n\t    Verify Dead Interval: %u        \
 673                         \n\t    Verify Transport Response: %u",
 674                        EXTRACT_16BITS(obj_tptr),
 675                        EXTRACT_16BITS(obj_tptr+2));
 676                 break;
 677
 678             default:
 679                 hexdump=TRUE;
 680             }
 681             break;
 682
 683         case LMP_OBJ_VERIFY_ID:
 684             switch(lmp_obj_ctype) {
 685             case LMP_CTYPE_1:
 686                 printf("\n\t    Verify ID: %u",
 687                        EXTRACT_32BITS(obj_tptr));
 688                 break;
 689
 690             default:
 691                 hexdump=TRUE;
 692             }
 693             break;
 694
 695         case LMP_OBJ_CHANNEL_STATUS:
 696             switch(lmp_obj_ctype) {
 697             case LMP_CTYPE_IPV4:
 698             case LMP_CTYPE_UNMD:
 699                 offset = 0;
 700                 /* Decode pairs: <Interface_ID (4 bytes), Channel_status (4 bytes)> */
 701                 while (offset < (lmp_obj_len-(int)sizeof(struct lmp_object_header)) ) {
 702                         printf("\n\t    Interface ID: %s (0x%08x)",
 703                         ipaddr_string(obj_tptr+offset),
 704                         EXTRACT_32BITS(obj_tptr+offset));
 705
 706                         printf("\n\t\t    Active: %s (%u)",             (EXTRACT_32BITS(obj_tptr+offset+4)>>31) ?
 707                                                 "Allocated" : "Non-allocated",
 708                                 (EXTRACT_32BITS(obj_tptr+offset+4)>>31));
 709
 710                         printf("\n\t\t    Direction: %s (%u)", (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1 ?
 711                                                 "Transmit" : "Receive",
 712                                 (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1);
 713
 714                         printf("\n\t\t    Channel Status: %s (%u)",
 715                                         tok2str(lmp_obj_channel_status_values,
 716                                         "Unknown",
 717                                         EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF),
 718                         EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF);
 719                         offset+=8;
 720                 }
 721                 break;
 722 #ifdef INET6
 723             case LMP_CTYPE_IPV6:
 724 #endif
 725             default:
 726                 hexdump=TRUE;
 727             }
 728             break;
 729
 730         case LMP_OBJ_CHANNEL_STATUS_REQ:
 731             switch(lmp_obj_ctype) {
 732             case LMP_CTYPE_IPV4:
 733             case LMP_CTYPE_UNMD:
 734                 offset = 0;
 735                 while (offset < (lmp_obj_len-(int)sizeof(struct lmp_object_header)) ) {
 736                         printf("\n\t    Interface ID: %s (0x%08x)",
 737                         ipaddr_string(obj_tptr+offset),
 738                         EXTRACT_32BITS(obj_tptr+offset));
 739                         offset+=4;
 740                 }
 741                 break;
 742 #ifdef INET6
 743             case LMP_CTYPE_IPV6:
 744 #endif
 745             default:
 746                 hexdump=TRUE;
 747             }
 748             break;
 749
 750         case LMP_OBJ_ERROR_CODE:
 751             switch(lmp_obj_ctype) {
 752             case LMP_CTYPE_BEGIN_VERIFY_ERROR:
 753                 printf("\n\t    Error Code: %s",
 754                 bittok2str(lmp_obj_begin_verify_error_values,
 755                         "none",
 756                         EXTRACT_32BITS(obj_tptr)));
 757                 break;
 758
 759             case LMP_CTYPE_LINK_SUMMARY_ERROR:
 760                 printf("\n\t    Error Code: %s",
 761                 bittok2str(lmp_obj_link_summary_error_values,
 762                         "none",
 763                         EXTRACT_32BITS(obj_tptr)));
 764                 break;
 765             default:
 766                 hexdump=TRUE;
 767             }
 768             break;
 769
 770         case LMP_OBJ_SERVICE_CONFIG:
 771             switch (lmp_obj_ctype) {
 772             case LMP_CTYPE_SERVICE_CONFIG_SP:
 773
 774                 printf("\n\t Flags: %s",
 775                        bittok2str(lmp_obj_service_config_sp_flag_values,
 776                                   "none",
 777                                   EXTRACT_16BITS(obj_tptr)>>8));
 778
 779                 printf("\n\t  UNI Version: %u",
 780                        EXTRACT_16BITS(obj_tptr) & 0x00FF);
 781
 782                 break;
 783
 784             case LMP_CTYPE_SERVICE_CONFIG_CPSA:
 785
 786                 link_type = EXTRACT_16BITS(obj_tptr)>>8;
 787
 788                 printf("\n\t Link Type: %s (%u)",
 789                        tok2str(lmp_sd_service_config_cpsa_link_type_values,
 790                                "Unknown", link_type),
 791                        link_type);
 792
 793                 if (link_type == LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH) {
 794                     printf("\n\t Signal Type: %s (%u)",
 795                            tok2str(lmp_sd_service_config_cpsa_signal_type_sdh_values,
 796                                    "Unknown",
 797                                    EXTRACT_16BITS(obj_tptr) & 0x00FF),
 798                            EXTRACT_16BITS(obj_tptr) & 0x00FF);
 799                 }
 800
 801                 if (link_type == LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET) {
 802                     printf("\n\t Signal Type: %s (%u)",
 803                            tok2str(lmp_sd_service_config_cpsa_signal_type_sonet_values,
 804                                    "Unknown",
 805                                    EXTRACT_16BITS(obj_tptr) & 0x00FF),
 806                            EXTRACT_16BITS(obj_tptr) & 0x00FF);
 807                 }
 808
 809                 printf("\n\t Transparency: %s",
 810                        bittok2str(lmp_obj_service_config_cpsa_tp_flag_values,
 811                                   "none",
 812                                   EXTRACT_16BITS(obj_tptr+2)>>8));
 813
 814                 printf("\n\t Contiguous Concatenation Types: %s",
 815                        bittok2str(lmp_obj_service_config_cpsa_cct_flag_values,
 816                                   "none",
 817                                   EXTRACT_16BITS(obj_tptr+2)>>8 & 0x00FF));
 818
 819                 printf("\n\t Minimum NCC: %u",
 820                        EXTRACT_16BITS(obj_tptr+4));
 821
 822                 printf("\n\t Maximum NCC: %u",
 823                        EXTRACT_16BITS(obj_tptr+6));
 824
 825                 printf("\n\t Minimum NVC:%u",
 826                        EXTRACT_16BITS(obj_tptr+8));
 827
 828                 printf("\n\t Maximum NVC:%u",
 829                        EXTRACT_16BITS(obj_tptr+10));
 830
 831                 printf("\n\t    Local Interface ID: %s (0x%08x)",
 832                        ipaddr_string(obj_tptr+12),
 833                        EXTRACT_32BITS(obj_tptr+12));
 834
 835                 break;
 836
 837             case LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM:
 838
 839                 printf("\n\t Transparency Flags: %s",
 840                        bittok2str(
 841                            lmp_obj_service_config_nsa_transparency_flag_values,
 842                            "none",
 843                            EXTRACT_32BITS(obj_tptr)));
 844
 845                 printf("\n\t TCM Monitoring Flags: %s",
 846                        bittok2str(
 847                            lmp_obj_service_config_nsa_tcm_flag_values,
 848                            "none",
 849                            EXTRACT_16BITS(obj_tptr+6) & 0x00FF));
 850
 851                 break;
 852
 853             case LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY:
 854
 855                 printf("\n\t Diversity: Flags: %s",
 856                        bittok2str(
 857                            lmp_obj_service_config_nsa_network_diversity_flag_values,
 858                            "none",
 859                            EXTRACT_16BITS(obj_tptr+2) & 0x00FF));
 860                 break;
 861
 862             default:
 863                 hexdump = TRUE;
 864             };
 865
 866         break;
 867
 868         default:
 869             if (vflag <= 1)
 870                 print_unknown_data(obj_tptr,"\n\t    ",obj_tlen);
 871             break;
 872         }
 873         /* do we want to see an additionally hexdump ? */
 874         if (vflag > 1 || hexdump==TRUE)
 875             print_unknown_data(tptr+sizeof(sizeof(struct lmp_object_header)),"\n\t    ",
 876                                lmp_obj_len-sizeof(struct lmp_object_header));
 877
 878         tptr+=lmp_obj_len;
 879         tlen-=lmp_obj_len;
 880     }
 881     return;
 882 trunc:
 883     printf("\n\t\t packet exceeded snapshot");
 884 }