contrib/tcpdump-3.9/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 1.5.2.4 2006/06/23 02:07:27 hannes 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     { 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, "\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 /*
 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(register const u_char *pptr, register u_int len) {
 363
 364     const struct lmp_common_header *lmp_com_header;
 365     const struct lmp_object_header *lmp_obj_header;
 366     const u_char *tptr,*obj_tptr;
 367     int tlen,lmp_obj_len,lmp_obj_ctype,obj_tlen;
 368     int hexdump;
 369     int offset,subobj_type,subobj_len,total_subobj_len;
 370     int link_type;
 371
 372     union { /* int to float conversion buffer */
 373         float f;
 374         u_int32_t i;
 375     } bw;
 376
 377     tptr=pptr;
 378     lmp_com_header = (const struct lmp_common_header *)pptr;
 379     TCHECK(*lmp_com_header);
 380
 381     /*
 382      * Sanity checking of the header.
 383      */
 384     if (LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]) != LMP_VERSION) {
 385         printf("LMP version %u packet not supported",
 386                LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]));
 387         return;
 388     }
 389
 390     /* in non-verbose mode just lets print the basic Message Type*/
 391     if (vflag < 1) {
 392         printf("LMPv%u %s Message, length: %u",
 393                LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]),
 394                tok2str(lmp_msg_type_values, "unknown (%u)",lmp_com_header->msg_type),
 395                len);
 396         return;
 397     }
 398
 399     /* ok they seem to want to know everything - lets fully decode it */
 400
 401     tlen=EXTRACT_16BITS(lmp_com_header->length);
 402
 403     printf("\n\tLMPv%u, msg-type: %s, Flags: [%s], length: %u",
 404            LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]),
 405            tok2str(lmp_msg_type_values, "unknown, type: %u",lmp_com_header->msg_type),
 406            bittok2str(lmp_header_flag_values,"none",lmp_com_header->flags),
 407            tlen);
 408
 409     tptr+=sizeof(const struct lmp_common_header);
 410     tlen-=sizeof(const struct lmp_common_header);
 411
 412     while(tlen>0) {
 413         /* did we capture enough for fully decoding the object header ? */
 414         if (!TTEST2(*tptr, sizeof(struct lmp_object_header)))
 415             goto trunc;
 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         printf("\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         if (!TTEST2(*tptr, lmp_obj_len))
 441             goto trunc;
 442         hexdump=FALSE;
 443
 444         switch(lmp_obj_header->class_num) {
 445
 446         case LMP_OBJ_CC_ID:
 447             switch(lmp_obj_ctype) {
 448             case LMP_CTYPE_LOC:
 449             case LMP_CTYPE_RMT:
 450                 printf("\n\t    Control Channel ID: %u (0x%08x)",
 451                        EXTRACT_32BITS(obj_tptr),
 452                        EXTRACT_32BITS(obj_tptr));
 453                 break;
 454
 455             default:
 456                 hexdump=TRUE;
 457             }
 458             break;
 459
 460         case LMP_OBJ_LINK_ID:
 461         case LMP_OBJ_INTERFACE_ID:
 462             switch(lmp_obj_ctype) {
 463             case LMP_CTYPE_IPV4_LOC:
 464             case LMP_CTYPE_IPV4_RMT:
 465                 printf("\n\t    IPv4 Link ID: %s (0x%08x)",
 466                        ipaddr_string(obj_tptr),
 467                        EXTRACT_32BITS(obj_tptr));
 468                 break;
 469 #ifdef INET6
 470             case LMP_CTYPE_IPV6_LOC:
 471             case LMP_CTYPE_IPV6_RMT:
 472                 printf("\n\t    IPv6 Link ID: %s (0x%08x)",
 473                        ip6addr_string(obj_tptr),
 474                        EXTRACT_32BITS(obj_tptr));
 475                 break;
 476 #endif
 477             case LMP_CTYPE_UNMD_LOC:
 478             case LMP_CTYPE_UNMD_RMT:
 479                 printf("\n\t    Link ID: %u (0x%08x)",
 480                        EXTRACT_32BITS(obj_tptr),
 481                        EXTRACT_32BITS(obj_tptr));
 482                 break;
 483             default:
 484                 hexdump=TRUE;
 485             }
 486             break;
 487
 488         case LMP_OBJ_MESSAGE_ID:
 489             switch(lmp_obj_ctype) {
 490             case LMP_CTYPE_1:
 491                 printf("\n\t    Message ID: %u (0x%08x)",
 492                        EXTRACT_32BITS(obj_tptr),
 493                        EXTRACT_32BITS(obj_tptr));
 494                 break;
 495             case LMP_CTYPE_2:
 496                 printf("\n\t    Message ID Ack: %u (0x%08x)",
 497                        EXTRACT_32BITS(obj_tptr),
 498                        EXTRACT_32BITS(obj_tptr));
 499                 break;
 500             default:
 501                 hexdump=TRUE;
 502             }
 503             break;
 504
 505         case LMP_OBJ_NODE_ID:
 506             switch(lmp_obj_ctype) {
 507             case LMP_CTYPE_LOC:
 508             case LMP_CTYPE_RMT:
 509                 printf("\n\t    Node ID: %s (0x%08x)",
 510                        ipaddr_string(obj_tptr),
 511                        EXTRACT_32BITS(obj_tptr));
 512                 break;
 513
 514             default:
 515                 hexdump=TRUE;
 516             }
 517             break;
 518
 519         case LMP_OBJ_CONFIG:
 520             switch(lmp_obj_ctype) {
 521             case LMP_CTYPE_HELLO_CONFIG:
 522                 printf("\n\t    Hello Interval: %u\n\t    Hello Dead Interval: %u",
 523                        EXTRACT_16BITS(obj_tptr),
 524                        EXTRACT_16BITS(obj_tptr+2));
 525                 break;
 526
 527             default:
 528                 hexdump=TRUE;
 529             }
 530             break;
 531
 532         case LMP_OBJ_HELLO:
 533             switch(lmp_obj_ctype) {
 534             case LMP_CTYPE_HELLO:
 535                 printf("\n\t    TxSeqNum: %u\n\t    RcvSeqNum: %u",
 536                        EXTRACT_32BITS(obj_tptr),
 537                        EXTRACT_32BITS(obj_tptr+4));
 538                 break;
 539
 540             default:
 541                 hexdump=TRUE;
 542             }
 543             break;
 544
 545         case LMP_OBJ_TE_LINK:
 546                 printf("\n\t    Flags: [%s]",
 547                 bittok2str(lmp_obj_te_link_flag_values,
 548                         "none",
 549                         EXTRACT_16BITS(obj_tptr)>>8));
 550
 551             switch(lmp_obj_ctype) {
 552             case LMP_CTYPE_IPV4:
 553                 printf("\n\t    Local Link-ID: %s (0x%08x) \
 554                         \n\t    Remote Link-ID: %s (0x%08x)",
 555                        ipaddr_string(obj_tptr+4),
 556                        EXTRACT_32BITS(obj_tptr+4),
 557                        ipaddr_string(obj_tptr+8),
 558                        EXTRACT_32BITS(obj_tptr+8));
 559                 break;
 560
 561 #ifdef INET6
 562             case LMP_CTYPE_IPV6:
 563 #endif
 564             case LMP_CTYPE_UNMD:
 565             default:
 566                 hexdump=TRUE;
 567             }
 568             break;
 569
 570         case LMP_OBJ_DATA_LINK:
 571                 printf("\n\t    Flags: [%s]",
 572                 bittok2str(lmp_obj_data_link_flag_values,
 573                         "none",
 574                         EXTRACT_16BITS(obj_tptr)>>8));
 575
 576             switch(lmp_obj_ctype) {
 577             case LMP_CTYPE_IPV4:
 578             case LMP_CTYPE_UNMD:
 579                 printf("\n\t    Local Interface ID: %s (0x%08x) \
 580                         \n\t    Remote Interface ID: %s (0x%08x)",
 581                        ipaddr_string(obj_tptr+4),
 582                        EXTRACT_32BITS(obj_tptr+4),
 583                        ipaddr_string(obj_tptr+8),
 584                        EXTRACT_32BITS(obj_tptr+8));
 585
 586                 total_subobj_len = lmp_obj_len - 16;
 587                 offset = 12;
 588                 while (total_subobj_len > 0 && hexdump == FALSE ) {
 589                         subobj_type = EXTRACT_16BITS(obj_tptr+offset)>>8;
 590                         subobj_len  = EXTRACT_16BITS(obj_tptr+offset)&0x00FF;
 591                         printf("\n\t    Subobject, Type: %s (%u), Length: %u",
 592                                 tok2str(lmp_data_link_subobj,
 593                                         "Unknown",
 594                                         subobj_type),
 595                                         subobj_type,
 596                                         subobj_len);
 597                         switch(subobj_type) {
 598                         case INT_SWITCHING_TYPE_SUBOBJ:
 599                                 printf("\n\t      Switching Type: %s (%u)",
 600                                         tok2str(gmpls_switch_cap_values,
 601                                                 "Unknown",
 602                                                 EXTRACT_16BITS(obj_tptr+offset+2)>>8),
 603                                         EXTRACT_16BITS(obj_tptr+offset+2)>>8);
 604                                 printf("\n\t      Encoding Type: %s (%u)",
 605                                         tok2str(gmpls_encoding_values,
 606                                                 "Unknown",
 607                                                 EXTRACT_16BITS(obj_tptr+offset+2)&0x00FF),
 608                                         EXTRACT_16BITS(obj_tptr+offset+2)&0x00FF);
 609                                 bw.i = EXTRACT_32BITS(obj_tptr+offset+4);
 610                                 printf("\n\t      Min Reservable Bandwidth: %.3f Mbps",
 611                                        bw.f*8/1000000);
 612                                 bw.i = EXTRACT_32BITS(obj_tptr+offset+8);
 613                                 printf("\n\t      Max Reservable Bandwidth: %.3f Mbps",
 614                                        bw.f*8/1000000);
 615                                 break;
 616                         case WAVELENGTH_SUBOBJ:
 617                                 printf("\n\t      Wavelength: %u",
 618                                         EXTRACT_32BITS(obj_tptr+offset+4));
 619                                 break;
 620                         default:
 621                                 /* Any Unknown Subobject ==> Exit loop */
 622                                 hexdump=TRUE;
 623                                 break;
 624                         }
 625                         total_subobj_len-=subobj_len;
 626                         offset+=subobj_len;
 627                 }
 628
 629                 break;
 630 #ifdef INET6
 631             case LMP_CTYPE_IPV6:
 632 #endif
 633             default:
 634                 hexdump=TRUE;
 635             }
 636             break;
 637
 638         case LMP_OBJ_VERIFY_BEGIN:
 639             switch(lmp_obj_ctype) {
 640             case LMP_CTYPE_1:
 641                 printf("\n\t    Flags: %s",
 642                 bittok2str(lmp_obj_begin_verify_flag_values,
 643                         "none",
 644                         EXTRACT_16BITS(obj_tptr)));
 645                 printf("\n\t    Verify Interval: %u",
 646                         EXTRACT_16BITS(obj_tptr+2));
 647                 printf("\n\t    Data links: %u",
 648                         EXTRACT_32BITS(obj_tptr+4));
 649                 printf("\n\t    Encoding type: %s",
 650                         tok2str(gmpls_encoding_values, "Unknown", *(obj_tptr+8)));
 651                 printf("\n\t    Verify Tranport Mechanism: %u (0x%x) %s",
 652                         EXTRACT_16BITS(obj_tptr+10),
 653                         EXTRACT_16BITS(obj_tptr+10),
 654                         EXTRACT_16BITS(obj_tptr+10)&8000 ? "(Payload test messages capable)" : "");
 655                 bw.i = EXTRACT_32BITS(obj_tptr+12);
 656                 printf("\n\t    Transmission Rate: %.3f Mbps",bw.f*8/1000000);
 657                 printf("\n\t    Wavelength: %u",
 658                         EXTRACT_32BITS(obj_tptr+16));
 659                 break;
 660
 661             default:
 662                 hexdump=TRUE;
 663             }
 664             break;
 665
 666         case LMP_OBJ_VERIFY_BEGIN_ACK:
 667             switch(lmp_obj_ctype) {
 668             case LMP_CTYPE_1:
 669                 printf("\n\t    Verify Dead Interval: %u        \
 670                         \n\t    Verify Transport Response: %u",
 671                        EXTRACT_16BITS(obj_tptr),
 672                        EXTRACT_16BITS(obj_tptr+2));
 673                 break;
 674
 675             default:
 676                 hexdump=TRUE;
 677             }
 678             break;
 679
 680         case LMP_OBJ_VERIFY_ID:
 681             switch(lmp_obj_ctype) {
 682             case LMP_CTYPE_1:
 683                 printf("\n\t    Verify ID: %u",
 684                        EXTRACT_32BITS(obj_tptr));
 685                 break;
 686
 687             default:
 688                 hexdump=TRUE;
 689             }
 690             break;
 691
 692         case LMP_OBJ_CHANNEL_STATUS:
 693             switch(lmp_obj_ctype) {
 694             case LMP_CTYPE_IPV4:
 695             case LMP_CTYPE_UNMD:
 696                 offset = 0;
 697                 /* Decode pairs: <Interface_ID (4 bytes), Channel_status (4 bytes)> */
 698                 while (offset < (lmp_obj_len-(int)sizeof(struct lmp_object_header)) ) {
 699                         printf("\n\t    Interface ID: %s (0x%08x)",
 700                         ipaddr_string(obj_tptr+offset),
 701                         EXTRACT_32BITS(obj_tptr+offset));
 702
 703                         printf("\n\t\t    Active: %s (%u)",             (EXTRACT_32BITS(obj_tptr+offset+4)>>31) ?
 704                                                 "Allocated" : "Non-allocated",
 705                                 (EXTRACT_32BITS(obj_tptr+offset+4)>>31));
 706
 707                         printf("\n\t\t    Direction: %s (%u)", (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1 ?
 708                                                 "Transmit" : "Receive",
 709                                 (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1);
 710
 711                         printf("\n\t\t    Channel Status: %s (%u)",
 712                                         tok2str(lmp_obj_channel_status_values,
 713                                         "Unknown",
 714                                         EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF),
 715                         EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF);
 716                         offset+=8;
 717                 }
 718                 break;
 719 #ifdef INET6
 720             case LMP_CTYPE_IPV6:
 721 #endif
 722             default:
 723                 hexdump=TRUE;
 724             }
 725             break;
 726
 727         case LMP_OBJ_CHANNEL_STATUS_REQ:
 728             switch(lmp_obj_ctype) {
 729             case LMP_CTYPE_IPV4:
 730             case LMP_CTYPE_UNMD:
 731                 offset = 0;
 732                 while (offset < (lmp_obj_len-(int)sizeof(struct lmp_object_header)) ) {
 733                         printf("\n\t    Interface ID: %s (0x%08x)",
 734                         ipaddr_string(obj_tptr+offset),
 735                         EXTRACT_32BITS(obj_tptr+offset));
 736                         offset+=4;
 737                 }
 738                 break;
 739 #ifdef INET6
 740             case LMP_CTYPE_IPV6:
 741 #endif
 742             default:
 743                 hexdump=TRUE;
 744             }
 745             break;
 746
 747         case LMP_OBJ_ERROR_CODE:
 748             switch(lmp_obj_ctype) {
 749             case LMP_CTYPE_BEGIN_VERIFY_ERROR:
 750                 printf("\n\t    Error Code: %s",
 751                 bittok2str(lmp_obj_begin_verify_error_values,
 752                         "none",
 753                         EXTRACT_32BITS(obj_tptr)));
 754                 break;
 755
 756             case LMP_CTYPE_LINK_SUMMARY_ERROR:
 757                 printf("\n\t    Error Code: %s",
 758                 bittok2str(lmp_obj_link_summary_error_values,
 759                         "none",
 760                         EXTRACT_32BITS(obj_tptr)));
 761                 break;
 762             default:
 763                 hexdump=TRUE;
 764             }
 765             break;
 766
 767         case LMP_OBJ_SERVICE_CONFIG:
 768             switch (lmp_obj_ctype) {
 769             case LMP_CTYPE_SERVICE_CONFIG_SP:
 770
 771                 printf("\n\t Flags: %s",
 772                        bittok2str(lmp_obj_service_config_sp_flag_values,
 773                                   "none",
 774                                   EXTRACT_16BITS(obj_tptr)>>8));
 775
 776                 printf("\n\t  UNI Version: %u",
 777                        EXTRACT_16BITS(obj_tptr) & 0x00FF);
 778
 779                 break;
 780
 781             case LMP_CTYPE_SERVICE_CONFIG_CPSA:
 782
 783                 link_type = EXTRACT_16BITS(obj_tptr)>>8;
 784
 785                 printf("\n\t Link Type: %s (%u)",
 786                        tok2str(lmp_sd_service_config_cpsa_link_type_values,
 787                                "Unknown", link_type),
 788                        link_type);
 789
 790                 if (link_type == LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH) {
 791                     printf("\n\t Signal Type: %s (%u)",
 792                            tok2str(lmp_sd_service_config_cpsa_signal_type_sdh_values,
 793                                    "Unknown",
 794                                    EXTRACT_16BITS(obj_tptr) & 0x00FF),
 795                            EXTRACT_16BITS(obj_tptr) & 0x00FF);
 796                 }
 797
 798                 if (link_type == LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET) {
 799                     printf("\n\t Signal Type: %s (%u)",
 800                            tok2str(lmp_sd_service_config_cpsa_signal_type_sonet_values,
 801                                    "Unknown",
 802                                    EXTRACT_16BITS(obj_tptr) & 0x00FF),
 803                            EXTRACT_16BITS(obj_tptr) & 0x00FF);
 804                 }
 805
 806                 printf("\n\t Transparency: %s",
 807                        bittok2str(lmp_obj_service_config_cpsa_tp_flag_values,
 808                                   "none",
 809                                   EXTRACT_16BITS(obj_tptr+2)>>8));
 810
 811                 printf("\n\t Contiguous Concatenation Types: %s",
 812                        bittok2str(lmp_obj_service_config_cpsa_cct_flag_values,
 813                                   "none",
 814                                   EXTRACT_16BITS(obj_tptr+2)>>8 & 0x00FF));
 815
 816                 printf("\n\t Minimum NCC: %u",
 817                        EXTRACT_16BITS(obj_tptr+4));
 818
 819                 printf("\n\t Maximum NCC: %u",
 820                        EXTRACT_16BITS(obj_tptr+6));
 821
 822                 printf("\n\t Minimum NVC:%u",
 823                        EXTRACT_16BITS(obj_tptr+8));
 824
 825                 printf("\n\t Maximum NVC:%u",
 826                        EXTRACT_16BITS(obj_tptr+10));
 827
 828                 printf("\n\t    Local Interface ID: %s (0x%08x)",
 829                        ipaddr_string(obj_tptr+12),
 830                        EXTRACT_32BITS(obj_tptr+12));
 831
 832                 break;
 833
 834             case LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM:
 835
 836                 printf("\n\t Transparency Flags: %s",
 837                        bittok2str(
 838                            lmp_obj_service_config_nsa_transparency_flag_values,
 839                            "none",
 840                            EXTRACT_32BITS(obj_tptr)));
 841
 842                 printf("\n\t TCM Monitoring Flags: %s",
 843                        bittok2str(
 844                            lmp_obj_service_config_nsa_tcm_flag_values,
 845                            "none",
 846                            EXTRACT_16BITS(obj_tptr+6) & 0x00FF));
 847
 848                 break;
 849
 850             case LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY:
 851
 852                 printf("\n\t Diversity: Flags: %s",
 853                        bittok2str(
 854                            lmp_obj_service_config_nsa_network_diversity_flag_values,
 855                            "none",
 856                            EXTRACT_16BITS(obj_tptr+2) & 0x00FF));
 857                 break;
 858
 859             default:
 860                 hexdump = TRUE;
 861             };
 862
 863         break;
 864
 865         default:
 866             if (vflag <= 1)
 867                 print_unknown_data(obj_tptr,"\n\t    ",obj_tlen);
 868             break;
 869         }
 870         /* do we want to see an additionally hexdump ? */
 871         if (vflag > 1 || hexdump==TRUE)
 872             print_unknown_data(tptr+sizeof(sizeof(struct lmp_object_header)),"\n\t    ",
 873                                lmp_obj_len-sizeof(struct lmp_object_header));
 874
 875         tptr+=lmp_obj_len;
 876         tlen-=lmp_obj_len;
 877     }
 878     return;
 879 trunc:
 880     printf("\n\t\t packet exceeded snapshot");
 881 }