dist/tcpdump/print-lmp.c

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that: (1) source code
   6  * distributions retain the above copyright notice and this paragraph
   7  * in its entirety, and (2) distributions including binary code include
   8  * the above copyright notice and this paragraph in its entirety in
   9  * the documentation or other materials provided with the distribution.
  10  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
  11  * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
  12  * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  13  * FOR A PARTICULAR PURPOSE.
  14  *
  15  * Original code by Hannes Gredler (hannes@juniper.net)
  16  * Support for LMP service discovery extensions (defined by UNI 1.0) added
  17  * by Manu Pathak (mapathak@cisco.com), May 2005
  18  */
  19
  20 #include <sys/cdefs.h>
  21 #ifndef lint
  22 #if 0
  23 static const char rcsid[] _U_ =
  24     "@(#) Header: /tcpdump/master/tcpdump/print-lmp.c,v 1.5.2.4 2006/06/23 02:07:27 hannes Exp";
  25 #else
  26 __RCSID("$NetBSD: tcpdump2rcsid.ex,v 1.1 2001/06/25 20:09:58 itojun Exp $");
  27 #endif
  28 #endif
  29
  30 #ifdef HAVE_CONFIG_H
  31 #include "config.h"
  32 #endif
  33
  34 #include <tcpdump-stdinc.h>
  35
  36 #include <stdio.h>
  37 #include <stdlib.h>
  38 #include <string.h>
  39
  40 #include "interface.h"
  41 #include "extract.h"
  42 #include "addrtoname.h"
  43 #include "gmpls.h"
  44
  45 /*
  46  * LMP common header
  47  *
  48  *  0                   1                   2                   3
  49  *  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
  50  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  51  * | Vers  |      (Reserved)       |    Flags      |    Msg Type   |
  52  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  53  * |          LMP Length           |          (Reserved)           |
  54  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  55  */
  56
  57 struct lmp_common_header {
  58     u_int8_t version_res[2];
  59     u_int8_t flags;
  60     u_int8_t msg_type;
  61     u_int8_t length[2];
  62     u_int8_t reserved[2];
  63 };
  64
  65 #define LMP_VERSION            1
  66 #define LMP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
  67
  68 static const struct tok lmp_header_flag_values[] = {
  69     { 0x01, "Control Channel Down"},
  70     { 0x02, "LMP restart"},
  71     { 0, NULL}
  72 };
  73
  74 static const struct tok lmp_obj_te_link_flag_values[] = {
  75     { 0x01, "Fault Management Supported"},
  76     { 0x02, "Link Verification Supported"},
  77     { 0, NULL}
  78 };
  79
  80 static const struct tok lmp_obj_data_link_flag_values[] = {
  81     { 0x01, "Data Link Port"},
  82     { 0x02, "Allocated for user traffic"},
  83     { 0x04, "Failed link"},
  84     { 0, NULL}
  85 };
  86
  87 static const struct tok lmp_obj_channel_status_values[] = {
  88     { 1, "Signal Okay"},
  89     { 2, "Signal Degraded"},
  90     { 3, "Signal Fail"},
  91     { 0, NULL}
  92 };
  93
  94 static const struct tok lmp_obj_begin_verify_flag_values[] = {
  95     { 0x0001, "Verify all links"},
  96     { 0x0002, "Data link type"},
  97     { 0, NULL}
  98 };
  99
 100 static const struct tok lmp_obj_begin_verify_error_values[] = {
 101     { 0x01, "\n\t\tLink Verification Procedure Not supported"},
 102     { 0x02, "\n\t\tUnwilling to verify"},
 103     { 0x04, "\n\t\tUnsupported verification transport mechanism"},
 104     { 0x08, "\n\t\tLink_Id configuration error"},
 105     { 0x10, "\n\t\tUnknown object c-type"},
 106     { 0, NULL}
 107 };
 108
 109 static const struct tok lmp_obj_link_summary_error_values[] = {
 110     { 0x01, "\n\t\tUnacceptable non-negotiable LINK_SUMMARY parameters"},
 111     { 0x02, "\n\t\tRenegotiate LINK_SUMMARY parameters"},
 112     { 0x04, "\n\t\tInvalid TE-LINK Object"},
 113     { 0x08, "\n\t\tInvalid DATA-LINK Object"},
 114     { 0x10, "\n\t\tUnknown TE-LINK Object c-type"},
 115     { 0x20, "\n\t\tUnknown DATA-LINK Object c-type"},
 116     { 0, NULL}
 117 };
 118
 119 /* Service Config Supported Protocols Flags */
 120 static const struct tok lmp_obj_service_config_sp_flag_values[] = {
 121     { 0x01, "RSVP Supported"},
 122     { 0x02, "LDP Supported"},
 123     { 0, NULL}
 124 };
 125
 126 /* Service Config Client Port Service Attribute Transparency Flags */
 127 static const struct tok lmp_obj_service_config_cpsa_tp_flag_values[] = {
 128     { 0x01, "Path/VC Overhead Transparency Supported"},
 129     { 0x02, "Line/MS Overhead Transparency Supported"},
 130     { 0x04, "Section/RS Overhead Transparency Supported"},
 131     { 0, NULL}
 132 };
 133
 134 /* Service Config Client Port Service Attribute Contiguous Concatenation Types Flags */
 135 static const struct tok lmp_obj_service_config_cpsa_cct_flag_values[] = {
 136     { 0x01, "Contiguous Concatenation Types Supported"},
 137     { 0, NULL}
 138 };
 139
 140 /* Service Config Network Service Attributes Transparency Flags */
 141 static const struct tok lmp_obj_service_config_nsa_transparency_flag_values[] = {
 142     { 0x01, "Standard SOH/RSOH Transparency Supported"},
 143     { 0x02, "Standard LOH/MSOH Transparency Supported"},
 144     { 0, NULL}
 145 };
 146
 147 /* Service Config Network Service Attributes TCM Monitoring Flags */
 148 static const struct tok lmp_obj_service_config_nsa_tcm_flag_values[] = {
 149     { 0x01, "Transparent Tandem Connection Monitoring Supported"},
 150     { 0, NULL}
 151 };
 152
 153 /* Network Service Attributes Network Diversity Flags */
 154 static const struct tok lmp_obj_service_config_nsa_network_diversity_flag_values[] = {
 155     { 0x01, "Node Diversity Supported"},
 156     { 0x02, "Link Diversity Supported"},
 157     { 0x04, "SRLG Diversity Supported"},
 158     { 0, NULL}
 159 };
 160
 161 #define LMP_MSGTYPE_CONFIG                 1
 162 #define LMP_MSGTYPE_CONFIG_ACK             2
 163 #define LMP_MSGTYPE_CONFIG_NACK            3
 164 #define LMP_MSGTYPE_HELLO                  4
 165 #define LMP_MSGTYPE_VERIFY_BEGIN           5
 166 #define LMP_MSGTYPE_VERIFY_BEGIN_ACK       6
 167 #define LMP_MSGTYPE_VERIFY_BEGIN_NACK      7
 168 #define LMP_MSGTYPE_VERIFY_END             8
 169 #define LMP_MSGTYPE_VERIFY_END_ACK         9
 170 #define LMP_MSGTYPE_TEST                  10
 171 #define LMP_MSGTYPE_TEST_STATUS_SUCCESS   11
 172 #define LMP_MSGTYPE_TEST_STATUS_FAILURE   12
 173 #define LMP_MSGTYPE_TEST_STATUS_ACK       13
 174 #define LMP_MSGTYPE_LINK_SUMMARY          14
 175 #define LMP_MSGTYPE_LINK_SUMMARY_ACK      15
 176 #define LMP_MSGTYPE_LINK_SUMMARY_NACK     16
 177 #define LMP_MSGTYPE_CHANNEL_STATUS        17
 178 #define LMP_MSGTYPE_CHANNEL_STATUS_ACK    18
 179 #define LMP_MSGTYPE_CHANNEL_STATUS_REQ    19
 180 #define LMP_MSGTYPE_CHANNEL_STATUS_RESP   20
 181 /* LMP Service Discovery message types defined by UNI 1.0 */
 182 #define LMP_MSGTYPE_SERVICE_CONFIG        50
 183 #define LMP_MSGTYPE_SERVICE_CONFIG_ACK    51
 184 #define LMP_MSGTYPE_SERVICE_CONFIG_NACK   52
 185
 186 static const struct tok lmp_msg_type_values[] = {
 187     { LMP_MSGTYPE_CONFIG, "Config"},
 188     { LMP_MSGTYPE_CONFIG_ACK, "Config ACK"},
 189     { LMP_MSGTYPE_CONFIG_NACK, "Config NACK"},
 190     { LMP_MSGTYPE_HELLO, "Hello"},
 191     { LMP_MSGTYPE_VERIFY_BEGIN, "Begin Verify"},
 192     { LMP_MSGTYPE_VERIFY_BEGIN_ACK, "Begin Verify ACK"},
 193     { LMP_MSGTYPE_VERIFY_BEGIN_NACK, "Begin Verify NACK"},
 194     { LMP_MSGTYPE_VERIFY_END, "End Verify"},
 195     { LMP_MSGTYPE_VERIFY_END_ACK, "End Verify ACK"},
 196     { LMP_MSGTYPE_TEST, "Test"},
 197     { LMP_MSGTYPE_TEST_STATUS_SUCCESS, "Test Status Success"},
 198     { LMP_MSGTYPE_TEST_STATUS_FAILURE, "Test Status Failure"},
 199     { LMP_MSGTYPE_TEST_STATUS_ACK, "Test Status ACK"},
 200     { LMP_MSGTYPE_LINK_SUMMARY, "Link Summary"},
 201     { LMP_MSGTYPE_LINK_SUMMARY_ACK, "Link Summary ACK"},
 202     { LMP_MSGTYPE_LINK_SUMMARY_NACK, "Link Summary NACK"},
 203     { LMP_MSGTYPE_CHANNEL_STATUS, "Channel Status"},
 204     { LMP_MSGTYPE_CHANNEL_STATUS_ACK, "Channel Status ACK"},
 205     { LMP_MSGTYPE_CHANNEL_STATUS_REQ, "Channel Status Request"},
 206     { LMP_MSGTYPE_CHANNEL_STATUS_RESP, "Channel Status Response"},
 207     { LMP_MSGTYPE_SERVICE_CONFIG, "Service Config"},
 208     { LMP_MSGTYPE_SERVICE_CONFIG_ACK, "Service Config ACK"},
 209     { LMP_MSGTYPE_SERVICE_CONFIG_NACK, "Service Config NACK"},
 210     { 0, NULL}
 211 };
 212
 213 /*
 214  * LMP object header
 215  *
 216  *  0                   1                   2                   3
 217  *  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
 218  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 219  * |N|   C-Type    |     Class     |            Length             |
 220  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 221  * |                                                               |
 222  * //                       (object contents)                     //
 223  * |                                                               |
 224  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 225  */
 226
 227 struct lmp_object_header {
 228     u_int8_t ctype;
 229     u_int8_t class_num;
 230     u_int8_t length[2];
 231 };
 232
 233 #define LMP_OBJ_CC_ID                 1
 234 #define LMP_OBJ_NODE_ID               2
 235 #define LMP_OBJ_LINK_ID               3
 236 #define LMP_OBJ_INTERFACE_ID          4
 237 #define LMP_OBJ_MESSAGE_ID            5
 238 #define LMP_OBJ_CONFIG                6
 239 #define LMP_OBJ_HELLO                 7
 240 #define LMP_OBJ_VERIFY_BEGIN          8
 241 #define LMP_OBJ_VERIFY_BEGIN_ACK      9
 242 #define LMP_OBJ_VERIFY_ID            10
 243 #define LMP_OBJ_TE_LINK              11
 244 #define LMP_OBJ_DATA_LINK            12
 245 #define LMP_OBJ_CHANNEL_STATUS       13
 246 #define LMP_OBJ_CHANNEL_STATUS_REQ   14
 247 #define LMP_OBJ_ERROR_CODE           20
 248
 249 #define LMP_OBJ_SERVICE_CONFIG       51 /* defined in UNI 1.0 */
 250
 251 static const struct tok lmp_obj_values[] = {
 252     { LMP_OBJ_CC_ID, "Control Channel ID" },
 253     { LMP_OBJ_NODE_ID, "Node ID" },
 254     { LMP_OBJ_LINK_ID, "Link ID" },
 255     { LMP_OBJ_INTERFACE_ID, "Interface ID" },
 256     { LMP_OBJ_MESSAGE_ID, "Message ID" },
 257     { LMP_OBJ_CONFIG, "Configuration" },
 258     { LMP_OBJ_HELLO, "Hello" },
 259     { LMP_OBJ_VERIFY_BEGIN, "Verify Begin" },
 260     { LMP_OBJ_VERIFY_BEGIN_ACK, "Verify Begin ACK" },
 261     { LMP_OBJ_VERIFY_ID, "Verify ID" },
 262     { LMP_OBJ_TE_LINK, "TE Link" },
 263     { LMP_OBJ_DATA_LINK, "Data Link" },
 264     { LMP_OBJ_CHANNEL_STATUS, "Channel Status" },
 265     { LMP_OBJ_CHANNEL_STATUS_REQ, "Channel Status Request" },
 266     { LMP_OBJ_ERROR_CODE, "Error Code" },
 267     { LMP_OBJ_SERVICE_CONFIG, "Service Config" },
 268
 269     { 0, NULL}
 270 };
 271
 272 #define INT_SWITCHING_TYPE_SUBOBJ 1
 273 #define WAVELENGTH_SUBOBJ         2
 274
 275 static const struct tok lmp_data_link_subobj[] = {
 276     { INT_SWITCHING_TYPE_SUBOBJ, "Interface Switching Type" },
 277     { WAVELENGTH_SUBOBJ        , "Wavelength" },
 278     { 0, NULL}
 279 };
 280
 281 #define LMP_CTYPE_IPV4       1
 282 #define LMP_CTYPE_IPV6       2
 283
 284 #define LMP_CTYPE_LOC        1
 285 #define LMP_CTYPE_RMT        2
 286 #define LMP_CTYPE_UNMD       3
 287
 288 #define LMP_CTYPE_IPV4_LOC   1
 289 #define LMP_CTYPE_IPV4_RMT   2
 290 #define LMP_CTYPE_IPV6_LOC   3
 291 #define LMP_CTYPE_IPV6_RMT   4
 292 #define LMP_CTYPE_UNMD_LOC   5
 293 #define LMP_CTYPE_UNMD_RMT   6
 294
 295 #define LMP_CTYPE_1          1
 296 #define LMP_CTYPE_2          2
 297
 298 #define LMP_CTYPE_HELLO_CONFIG  1
 299 #define LMP_CTYPE_HELLO         1
 300
 301 #define LMP_CTYPE_BEGIN_VERIFY_ERROR 1
 302 #define LMP_CTYPE_LINK_SUMMARY_ERROR 2
 303
 304 /* C-Types for Service Config Object */
 305 #define LMP_CTYPE_SERVICE_CONFIG_SP                   1
 306 #define LMP_CTYPE_SERVICE_CONFIG_CPSA                 2
 307 #define LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM     3
 308 #define LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY    4
 309
 310 /*
 311  * Different link types allowed in the Client Port Service Attributes
 312  * subobject defined for LMP Service Discovery in the UNI 1.0 spec
 313  */
 314 #define LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH     5 /* UNI 1.0 Sec 9.4.2 */
 315 #define LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET   6 /* UNI 1.0 Sec 9.4.2 */
 316
 317 /*
 318  * the ctypes are not globally unique so for
 319  * translating it to strings we build a table based
 320  * on objects offsetted by the ctype
 321  */
 322
 323 static const struct tok lmp_ctype_values[] = {
 324     { 256*LMP_OBJ_CC_ID+LMP_CTYPE_LOC, "Local" },
 325     { 256*LMP_OBJ_CC_ID+LMP_CTYPE_RMT, "Remote" },
 326     { 256*LMP_OBJ_NODE_ID+LMP_CTYPE_LOC, "Local" },
 327     { 256*LMP_OBJ_NODE_ID+LMP_CTYPE_RMT, "Remote" },
 328     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV4_LOC, "IPv4 Local" },
 329     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV4_RMT, "IPv4 Remote" },
 330     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV6_LOC, "IPv6 Local" },
 331     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV6_RMT, "IPv6 Remote" },
 332     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_UNMD_LOC, "Unnumbered Local" },
 333     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_UNMD_RMT, "Unnumbered Remote" },
 334     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV4_LOC, "IPv4 Local" },
 335     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV4_RMT, "IPv4 Remote" },
 336     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV6_LOC, "IPv6 Local" },
 337     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV6_RMT, "IPv6 Remote" },
 338     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_UNMD_LOC, "Unnumbered Local" },
 339     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_UNMD_RMT, "Unnumbered Remote" },
 340     { 256*LMP_OBJ_MESSAGE_ID+LMP_CTYPE_1, "1" },
 341     { 256*LMP_OBJ_MESSAGE_ID+LMP_CTYPE_2, "2" },
 342     { 256*LMP_OBJ_CONFIG+LMP_CTYPE_1, "1" },
 343     { 256*LMP_OBJ_HELLO+LMP_CTYPE_1, "1" },
 344     { 256*LMP_OBJ_VERIFY_BEGIN+LMP_CTYPE_1, "1" },
 345     { 256*LMP_OBJ_VERIFY_BEGIN_ACK+LMP_CTYPE_1, "1" },
 346     { 256*LMP_OBJ_VERIFY_ID+LMP_CTYPE_1, "1" },
 347     { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_IPV4, "IPv4" },
 348     { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_IPV6, "IPv6" },
 349     { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_UNMD, "Unnumbered" },
 350     { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_IPV4, "IPv4" },
 351     { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_IPV6, "IPv6" },
 352     { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_UNMD, "Unnumbered" },
 353     { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_IPV4, "IPv4" },
 354     { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_IPV6, "IPv6" },
 355     { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_UNMD, "Unnumbered" },
 356     { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_IPV4, "IPv4" },
 357     { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_IPV6, "IPv6" },
 358     { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_UNMD, "Unnumbered" },
 359     { 256*LMP_OBJ_ERROR_CODE+LMP_CTYPE_1, "1" },
 360     { 256*LMP_OBJ_ERROR_CODE+LMP_CTYPE_2, "2" },
 361     { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_SP, "1" },
 362     { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_CPSA, "2" },
 363     { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM, "3" },
 364     { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY, "4" },
 365     { 0, NULL}
 366 };
 367
 368 void
 369 lmp_print(register const u_char *pptr, register u_int len) {
 370
 371     const struct lmp_common_header *lmp_com_header;
 372     const struct lmp_object_header *lmp_obj_header;
 373     const u_char *tptr,*obj_tptr;
 374     int tlen,lmp_obj_len,lmp_obj_ctype,obj_tlen;
 375     int hexdump;
 376     int offset,subobj_type,subobj_len,total_subobj_len;
 377     int link_type;
 378
 379     union { /* int to float conversion buffer */
 380         float f;
 381         u_int32_t i;
 382     } bw;
 383
 384     tptr=pptr;
 385     lmp_com_header = (const struct lmp_common_header *)pptr;
 386     TCHECK(*lmp_com_header);
 387
 388     /*
 389      * Sanity checking of the header.
 390      */
 391     if (LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]) != LMP_VERSION) {
 392         printf("LMP version %u packet not supported",
 393                LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]));
 394         return;
 395     }
 396
 397     /* in non-verbose mode just lets print the basic Message Type*/
 398     if (vflag < 1) {
 399         printf("LMPv%u %s Message, length: %u",
 400                LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]),
 401                tok2str(lmp_msg_type_values, "unknown (%u)",lmp_com_header->msg_type),
 402                len);
 403         return;
 404     }
 405
 406     /* ok they seem to want to know everything - lets fully decode it */
 407
 408     tlen=EXTRACT_16BITS(lmp_com_header->length);
 409
 410     printf("\n\tLMPv%u, msg-type: %s, Flags: [%s], length: %u",
 411            LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]),
 412            tok2str(lmp_msg_type_values, "unknown, type: %u",lmp_com_header->msg_type),
 413            bittok2str(lmp_header_flag_values,"none",lmp_com_header->flags),
 414            tlen);
 415
 416     tptr+=sizeof(const struct lmp_common_header);
 417     tlen-=sizeof(const struct lmp_common_header);
 418
 419     while(tlen>0) {
 420         /* did we capture enough for fully decoding the object header ? */
 421         if (!TTEST2(*tptr, sizeof(struct lmp_object_header)))
 422             goto trunc;
 423
 424         lmp_obj_header = (const struct lmp_object_header *)tptr;
 425         lmp_obj_len=EXTRACT_16BITS(lmp_obj_header->length);
 426         lmp_obj_ctype=(lmp_obj_header->ctype)&0x7f;
 427
 428         if(lmp_obj_len % 4 || lmp_obj_len < 4)
 429             return;
 430
 431         printf("\n\t  %s Object (%u), Class-Type: %s (%u) Flags: [%snegotiable], length: %u",
 432                tok2str(lmp_obj_values,
 433                        "Unknown",
 434                        lmp_obj_header->class_num),
 435                lmp_obj_header->class_num,
 436                tok2str(lmp_ctype_values,
 437                        "Unknown",
 438                        ((lmp_obj_header->class_num)<<8)+lmp_obj_ctype),
 439                lmp_obj_ctype,
 440                (lmp_obj_header->ctype)&0x80 ? "" : "non-",
 441                lmp_obj_len);
 442
 443         obj_tptr=tptr+sizeof(struct lmp_object_header);
 444         obj_tlen=lmp_obj_len-sizeof(struct lmp_object_header);
 445
 446         /* did we capture enough for fully decoding the object ? */
 447         if (!TTEST2(*tptr, lmp_obj_len))
 448             goto trunc;
 449         hexdump=FALSE;
 450
 451         switch(lmp_obj_header->class_num) {
 452
 453         case LMP_OBJ_CC_ID:
 454             switch(lmp_obj_ctype) {
 455             case LMP_CTYPE_LOC:
 456             case LMP_CTYPE_RMT:
 457                 printf("\n\t    Control Channel ID: %u (0x%08x)",
 458                        EXTRACT_32BITS(obj_tptr),
 459                        EXTRACT_32BITS(obj_tptr));
 460                 break;
 461
 462             default:
 463                 hexdump=TRUE;
 464             }
 465             break;
 466
 467         case LMP_OBJ_LINK_ID:
 468         case LMP_OBJ_INTERFACE_ID:
 469             switch(lmp_obj_ctype) {
 470             case LMP_CTYPE_IPV4_LOC:
 471             case LMP_CTYPE_IPV4_RMT:
 472                 printf("\n\t    IPv4 Link ID: %s (0x%08x)",
 473                        ipaddr_string(obj_tptr),
 474                        EXTRACT_32BITS(obj_tptr));
 475                 break;
 476 #ifdef INET6
 477             case LMP_CTYPE_IPV6_LOC:
 478             case LMP_CTYPE_IPV6_RMT:
 479                 printf("\n\t    IPv6 Link ID: %s (0x%08x)",
 480                        ip6addr_string(obj_tptr),
 481                        EXTRACT_32BITS(obj_tptr));
 482                 break;
 483 #endif
 484             case LMP_CTYPE_UNMD_LOC:
 485             case LMP_CTYPE_UNMD_RMT:
 486                 printf("\n\t    Link ID: %u (0x%08x)",
 487                        EXTRACT_32BITS(obj_tptr),
 488                        EXTRACT_32BITS(obj_tptr));
 489                 break;
 490             default:
 491                 hexdump=TRUE;
 492             }
 493             break;
 494
 495         case LMP_OBJ_MESSAGE_ID:
 496             switch(lmp_obj_ctype) {
 497             case LMP_CTYPE_1:
 498                 printf("\n\t    Message ID: %u (0x%08x)",
 499                        EXTRACT_32BITS(obj_tptr),
 500                        EXTRACT_32BITS(obj_tptr));
 501                 break;
 502             case LMP_CTYPE_2:
 503                 printf("\n\t    Message ID Ack: %u (0x%08x)",
 504                        EXTRACT_32BITS(obj_tptr),
 505                        EXTRACT_32BITS(obj_tptr));
 506                 break;
 507             default:
 508                 hexdump=TRUE;
 509             }
 510             break;
 511
 512         case LMP_OBJ_NODE_ID:
 513             switch(lmp_obj_ctype) {
 514             case LMP_CTYPE_LOC:
 515             case LMP_CTYPE_RMT:
 516                 printf("\n\t    Node ID: %s (0x%08x)",
 517                        ipaddr_string(obj_tptr),
 518                        EXTRACT_32BITS(obj_tptr));
 519                 break;
 520
 521             default:
 522                 hexdump=TRUE;
 523             }
 524             break;
 525
 526         case LMP_OBJ_CONFIG:
 527             switch(lmp_obj_ctype) {
 528             case LMP_CTYPE_HELLO_CONFIG:
 529                 printf("\n\t    Hello Interval: %u\n\t    Hello Dead Interval: %u",
 530                        EXTRACT_16BITS(obj_tptr),
 531                        EXTRACT_16BITS(obj_tptr+2));
 532                 break;
 533
 534             default:
 535                 hexdump=TRUE;
 536             }
 537             break;
 538
 539         case LMP_OBJ_HELLO:
 540             switch(lmp_obj_ctype) {
 541             case LMP_CTYPE_HELLO:
 542                 printf("\n\t    TxSeqNum: %u\n\t    RcvSeqNum: %u",
 543                        EXTRACT_32BITS(obj_tptr),
 544                        EXTRACT_32BITS(obj_tptr+4));
 545                 break;
 546
 547             default:
 548                 hexdump=TRUE;
 549             }
 550             break;
 551
 552         case LMP_OBJ_TE_LINK:
 553                 printf("\n\t    Flags: [%s]",
 554                 bittok2str(lmp_obj_te_link_flag_values,
 555                         "none",
 556                         EXTRACT_16BITS(obj_tptr)>>8));
 557
 558             switch(lmp_obj_ctype) {
 559             case LMP_CTYPE_IPV4:
 560                 printf("\n\t    Local Link-ID: %s (0x%08x) \
 561                         \n\t    Remote Link-ID: %s (0x%08x)",
 562                        ipaddr_string(obj_tptr+4),
 563                        EXTRACT_32BITS(obj_tptr+4),
 564                        ipaddr_string(obj_tptr+8),
 565                        EXTRACT_32BITS(obj_tptr+8));
 566                 break;
 567
 568 #ifdef INET6
 569             case LMP_CTYPE_IPV6:
 570 #endif
 571             case LMP_CTYPE_UNMD:
 572             default:
 573                 hexdump=TRUE;
 574             }
 575             break;
 576
 577         case LMP_OBJ_DATA_LINK:
 578                 printf("\n\t    Flags: [%s]",
 579                 bittok2str(lmp_obj_data_link_flag_values,
 580                         "none",
 581                         EXTRACT_16BITS(obj_tptr)>>8));
 582
 583             switch(lmp_obj_ctype) {
 584             case LMP_CTYPE_IPV4:
 585             case LMP_CTYPE_UNMD:
 586                 printf("\n\t    Local Interface ID: %s (0x%08x) \
 587                         \n\t    Remote Interface ID: %s (0x%08x)",
 588                        ipaddr_string(obj_tptr+4),
 589                        EXTRACT_32BITS(obj_tptr+4),
 590                        ipaddr_string(obj_tptr+8),
 591                        EXTRACT_32BITS(obj_tptr+8));
 592
 593                 total_subobj_len = lmp_obj_len - 16;
 594                 offset = 12;
 595                 while (total_subobj_len > 0 && hexdump == FALSE ) {
 596                         subobj_type = EXTRACT_16BITS(obj_tptr+offset)>>8;
 597                         subobj_len  = EXTRACT_16BITS(obj_tptr+offset)&0x00FF;
 598                         printf("\n\t    Subobject, Type: %s (%u), Length: %u",
 599                                 tok2str(lmp_data_link_subobj,
 600                                         "Unknown",
 601                                         subobj_type),
 602                                         subobj_type,
 603                                         subobj_len);
 604                         switch(subobj_type) {
 605                         case INT_SWITCHING_TYPE_SUBOBJ:
 606                                 printf("\n\t      Switching Type: %s (%u)",
 607                                         tok2str(gmpls_switch_cap_values,
 608                                                 "Unknown",
 609                                                 EXTRACT_16BITS(obj_tptr+offset+2)>>8),
 610                                         EXTRACT_16BITS(obj_tptr+offset+2)>>8);
 611                                 printf("\n\t      Encoding Type: %s (%u)",
 612                                         tok2str(gmpls_encoding_values,
 613                                                 "Unknown",
 614                                                 EXTRACT_16BITS(obj_tptr+offset+2)&0x00FF),
 615                                         EXTRACT_16BITS(obj_tptr+offset+2)&0x00FF);
 616                                 bw.i = EXTRACT_32BITS(obj_tptr+offset+4);
 617                                 printf("\n\t      Min Reservable Bandwidth: %.3f Mbps",
 618                                        bw.f*8/1000000);
 619                                 bw.i = EXTRACT_32BITS(obj_tptr+offset+8);
 620                                 printf("\n\t      Max Reservable Bandwidth: %.3f Mbps",
 621                                        bw.f*8/1000000);
 622                                 break;
 623                         case WAVELENGTH_SUBOBJ:
 624                                 printf("\n\t      Wavelength: %u",
 625                                         EXTRACT_32BITS(obj_tptr+offset+4));
 626                                 break;
 627                         default:
 628                                 /* Any Unknown Subobject ==> Exit loop */
 629                                 hexdump=TRUE;
 630                                 break;
 631                         }
 632                         total_subobj_len-=subobj_len;
 633                         offset+=subobj_len;
 634                 }
 635
 636                 break;
 637 #ifdef INET6
 638             case LMP_CTYPE_IPV6:
 639 #endif
 640             default:
 641                 hexdump=TRUE;
 642             }
 643             break;
 644
 645         case LMP_OBJ_VERIFY_BEGIN:
 646             switch(lmp_obj_ctype) {
 647             case LMP_CTYPE_1:
 648                 printf("\n\t    Flags: %s",
 649                 bittok2str(lmp_obj_begin_verify_flag_values,
 650                         "none",
 651                         EXTRACT_16BITS(obj_tptr)));
 652                 printf("\n\t    Verify Interval: %u",
 653                         EXTRACT_16BITS(obj_tptr+2));
 654                 printf("\n\t    Data links: %u",
 655                         EXTRACT_32BITS(obj_tptr+4));
 656                 printf("\n\t    Encoding type: %s",
 657                         tok2str(gmpls_encoding_values, "Unknown", *(obj_tptr+8)));
 658                 printf("\n\t    Verify Tranport Mechanism: %u (0x%x) %s",
 659                         EXTRACT_16BITS(obj_tptr+10),
 660                         EXTRACT_16BITS(obj_tptr+10),
 661                         EXTRACT_16BITS(obj_tptr+10)&8000 ? "(Payload test messages capable)" : "");
 662                 bw.i = EXTRACT_32BITS(obj_tptr+12);
 663                 printf("\n\t    Transmission Rate: %.3f Mbps",bw.f*8/1000000);
 664                 printf("\n\t    Wavelength: %u",
 665                         EXTRACT_32BITS(obj_tptr+16));
 666                 break;
 667
 668             default:
 669                 hexdump=TRUE;
 670             }
 671             break;
 672
 673         case LMP_OBJ_VERIFY_BEGIN_ACK:
 674             switch(lmp_obj_ctype) {
 675             case LMP_CTYPE_1:
 676                 printf("\n\t    Verify Dead Interval: %u        \
 677                         \n\t    Verify Transport Response: %u",
 678                        EXTRACT_16BITS(obj_tptr),
 679                        EXTRACT_16BITS(obj_tptr+2));
 680                 break;
 681
 682             default:
 683                 hexdump=TRUE;
 684             }
 685             break;
 686
 687         case LMP_OBJ_VERIFY_ID:
 688             switch(lmp_obj_ctype) {
 689             case LMP_CTYPE_1:
 690                 printf("\n\t    Verify ID: %u",
 691                        EXTRACT_32BITS(obj_tptr));
 692                 break;
 693
 694             default:
 695                 hexdump=TRUE;
 696             }
 697             break;
 698
 699         case LMP_OBJ_CHANNEL_STATUS:
 700             switch(lmp_obj_ctype) {
 701             case LMP_CTYPE_IPV4:
 702             case LMP_CTYPE_UNMD:
 703                 offset = 0;
 704                 /* Decode pairs: <Interface_ID (4 bytes), Channel_status (4 bytes)> */
 705                 while (offset < (lmp_obj_len-(int)sizeof(struct lmp_object_header)) ) {
 706                         printf("\n\t    Interface ID: %s (0x%08x)",
 707                         ipaddr_string(obj_tptr+offset),
 708                         EXTRACT_32BITS(obj_tptr+offset));
 709
 710                         printf("\n\t\t    Active: %s (%u)",             (EXTRACT_32BITS(obj_tptr+offset+4)>>31) ?
 711                                                 "Allocated" : "Non-allocated",
 712                                 (EXTRACT_32BITS(obj_tptr+offset+4)>>31));
 713
 714                         printf("\n\t\t    Direction: %s (%u)", (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1 ?
 715                                                 "Transmit" : "Receive",
 716                                 (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1);
 717
 718                         printf("\n\t\t    Channel Status: %s (%u)",
 719                                         tok2str(lmp_obj_channel_status_values,
 720                                         "Unknown",
 721                                         EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF),
 722                         EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF);
 723                         offset+=8;
 724                 }
 725                 break;
 726 #ifdef INET6
 727             case LMP_CTYPE_IPV6:
 728 #endif
 729             default:
 730                 hexdump=TRUE;
 731             }
 732             break;
 733
 734         case LMP_OBJ_CHANNEL_STATUS_REQ:
 735             switch(lmp_obj_ctype) {
 736             case LMP_CTYPE_IPV4:
 737             case LMP_CTYPE_UNMD:
 738                 offset = 0;
 739                 while (offset < (lmp_obj_len-(int)sizeof(struct lmp_object_header)) ) {
 740                         printf("\n\t    Interface ID: %s (0x%08x)",
 741                         ipaddr_string(obj_tptr+offset),
 742                         EXTRACT_32BITS(obj_tptr+offset));
 743                         offset+=4;
 744                 }
 745                 break;
 746 #ifdef INET6
 747             case LMP_CTYPE_IPV6:
 748 #endif
 749             default:
 750                 hexdump=TRUE;
 751             }
 752             break;
 753
 754         case LMP_OBJ_ERROR_CODE:
 755             switch(lmp_obj_ctype) {
 756             case LMP_CTYPE_BEGIN_VERIFY_ERROR:
 757                 printf("\n\t    Error Code: %s",
 758                 bittok2str(lmp_obj_begin_verify_error_values,
 759                         "none",
 760                         EXTRACT_32BITS(obj_tptr)));
 761                 break;
 762
 763             case LMP_CTYPE_LINK_SUMMARY_ERROR:
 764                 printf("\n\t    Error Code: %s",
 765                 bittok2str(lmp_obj_link_summary_error_values,
 766                         "none",
 767                         EXTRACT_32BITS(obj_tptr)));
 768                 break;
 769             default:
 770                 hexdump=TRUE;
 771             }
 772             break;
 773
 774         case LMP_OBJ_SERVICE_CONFIG:
 775             switch (lmp_obj_ctype) {
 776             case LMP_CTYPE_SERVICE_CONFIG_SP:
 777
 778                 printf("\n\t Flags: %s",
 779                        bittok2str(lmp_obj_service_config_sp_flag_values,
 780                                   "none",
 781                                   EXTRACT_16BITS(obj_tptr)>>8));
 782
 783                 printf("\n\t  UNI Version: %u",
 784                        EXTRACT_16BITS(obj_tptr) & 0x00FF);
 785
 786                 break;
 787
 788             case LMP_CTYPE_SERVICE_CONFIG_CPSA:
 789
 790                 link_type = EXTRACT_16BITS(obj_tptr)>>8;
 791
 792                 printf("\n\t Link Type: %s (%u)",
 793                        tok2str(lmp_sd_service_config_cpsa_link_type_values,
 794                                "Unknown", link_type),
 795                        link_type);
 796
 797                 if (link_type == LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH) {
 798                     printf("\n\t Signal Type: %s (%u)",
 799                            tok2str(lmp_sd_service_config_cpsa_signal_type_sdh_values,
 800                                    "Unknown",
 801                                    EXTRACT_16BITS(obj_tptr) & 0x00FF),
 802                            EXTRACT_16BITS(obj_tptr) & 0x00FF);
 803                 }
 804
 805                 if (link_type == LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET) {
 806                     printf("\n\t Signal Type: %s (%u)",
 807                            tok2str(lmp_sd_service_config_cpsa_signal_type_sonet_values,
 808                                    "Unknown",
 809                                    EXTRACT_16BITS(obj_tptr) & 0x00FF),
 810                            EXTRACT_16BITS(obj_tptr) & 0x00FF);
 811                 }
 812
 813                 printf("\n\t Transparency: %s",
 814                        bittok2str(lmp_obj_service_config_cpsa_tp_flag_values,
 815                                   "none",
 816                                   EXTRACT_16BITS(obj_tptr+2)>>8));
 817
 818                 printf("\n\t Contiguous Concatenation Types: %s",
 819                        bittok2str(lmp_obj_service_config_cpsa_cct_flag_values,
 820                                   "none",
 821                                   EXTRACT_16BITS(obj_tptr+2)>>8 & 0x00FF));
 822
 823                 printf("\n\t Minimum NCC: %u",
 824                        EXTRACT_16BITS(obj_tptr+4));
 825
 826                 printf("\n\t Maximum NCC: %u",
 827                        EXTRACT_16BITS(obj_tptr+6));
 828
 829                 printf("\n\t Minimum NVC:%u",
 830                        EXTRACT_16BITS(obj_tptr+8));
 831
 832                 printf("\n\t Maximum NVC:%u",
 833                        EXTRACT_16BITS(obj_tptr+10));
 834
 835                 printf("\n\t    Local Interface ID: %s (0x%08x)",
 836                        ipaddr_string(obj_tptr+12),
 837                        EXTRACT_32BITS(obj_tptr+12));
 838
 839                 break;
 840
 841             case LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM:
 842
 843                 printf("\n\t Transparency Flags: %s",
 844                        bittok2str(
 845                            lmp_obj_service_config_nsa_transparency_flag_values,
 846                            "none",
 847                            EXTRACT_32BITS(obj_tptr)));
 848
 849                 printf("\n\t TCM Monitoring Flags: %s",
 850                        bittok2str(
 851                            lmp_obj_service_config_nsa_tcm_flag_values,
 852                            "none",
 853                            EXTRACT_16BITS(obj_tptr+6) & 0x00FF));
 854
 855                 break;
 856
 857             case LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY:
 858
 859                 printf("\n\t Diversity: Flags: %s",
 860                        bittok2str(
 861                            lmp_obj_service_config_nsa_network_diversity_flag_values,
 862                            "none",
 863                            EXTRACT_16BITS(obj_tptr+2) & 0x00FF));
 864                 break;
 865
 866             default:
 867                 hexdump = TRUE;
 868             };
 869
 870         break;
 871
 872         default:
 873             if (vflag <= 1)
 874                 print_unknown_data(obj_tptr,"\n\t    ",obj_tlen);
 875             break;
 876         }
 877         /* do we want to see an additionally hexdump ? */
 878         if (vflag > 1 || hexdump==TRUE)
 879             print_unknown_data(tptr+sizeof(sizeof(struct lmp_object_header)),"\n\t    ",
 880                                lmp_obj_len-sizeof(struct lmp_object_header));
 881
 882         tptr+=lmp_obj_len;
 883         tlen-=lmp_obj_len;
 884     }
 885     return;
 886 trunc:
 887     printf("\n\t\t packet exceeded snapshot");
 888 }