contrib/tcpdump/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  * Support for the Link Management Protocol as per rfc 4204.
  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 #ifndef lint
  21 static const char rcsid[] _U_ =
  22     "@(#) $Header: /tcpdump/master/tcpdump/print-lmp.c,v 1.11 2007-08-02 17:32:49 hannes Exp $";
  23 #endif
  24
  25 #ifdef HAVE_CONFIG_H
  26 #include "config.h"
  27 #endif
  28
  29 #include <tcpdump-stdinc.h>
  30
  31 #include <stdio.h>
  32 #include <stdlib.h>
  33 #include <string.h>
  34
  35 #include "interface.h"
  36 #include "extract.h"
  37 #include "addrtoname.h"
  38 #include "gmpls.h"
  39
  40 /*
  41  * LMP common header
  42  *
  43  *  0                   1                   2                   3
  44  *  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
  45  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  46  * | Vers  |      (Reserved)       |    Flags      |    Msg Type   |
  47  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  48  * |          LMP Length           |          (Reserved)           |
  49  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  50  */
  51
  52 struct lmp_common_header {
  53     u_int8_t version_res[2];
  54     u_int8_t flags;
  55     u_int8_t msg_type;
  56     u_int8_t length[2];
  57     u_int8_t reserved[2];
  58 };
  59
  60 #define LMP_VERSION            1
  61 #define LMP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
  62
  63 static const struct tok lmp_header_flag_values[] = {
  64     { 0x01, "Control Channel Down"},
  65     { 0x02, "LMP restart"},
  66     { 0, NULL}
  67 };
  68
  69 static const struct tok lmp_obj_te_link_flag_values[] = {
  70     { 0x01, "Fault Management Supported"},
  71     { 0x02, "Link Verification Supported"},
  72     { 0, NULL}
  73 };
  74
  75 static const struct tok lmp_obj_data_link_flag_values[] = {
  76     { 0x01, "Data Link Port"},
  77     { 0x02, "Allocated for user traffic"},
  78     { 0x04, "Failed link"},
  79     { 0, NULL}
  80 };
  81
  82 static const struct tok lmp_obj_channel_status_values[] = {
  83     { 1, "Signal Okay"},
  84     { 2, "Signal Degraded"},
  85     { 3, "Signal Fail"},
  86     { 0, NULL}
  87 };
  88
  89 static const struct tok lmp_obj_begin_verify_flag_values[] = {
  90     { 0x0001, "Verify all links"},
  91     { 0x0002, "Data link type"},
  92     { 0, NULL}
  93 };
  94
  95 static const struct tok lmp_obj_begin_verify_error_values[] = {
  96     { 0x01, "Link Verification Procedure Not supported"},
  97     { 0x02, "Unwilling to verify"},
  98     { 0x04, "Unsupported verification transport mechanism"},
  99     { 0x08, "Link-Id configuration error"},
 100     { 0x10, "Unknown object c-type"},
 101     { 0, NULL}
 102 };
 103
 104 static const struct tok lmp_obj_link_summary_error_values[] = {
 105     { 0x01, "Unacceptable non-negotiable LINK-SUMMARY parameters"},
 106     { 0x02, "Renegotiate LINK-SUMMARY parameters"},
 107     { 0x04, "Invalid TE-LINK Object"},
 108     { 0x08, "Invalid DATA-LINK Object"},
 109     { 0x10, "Unknown TE-LINK Object c-type"},
 110     { 0x20, "Unknown DATA-LINK Object c-type"},
 111     { 0, NULL}
 112 };
 113
 114 /* Service Config Supported Protocols Flags */
 115 static const struct tok lmp_obj_service_config_sp_flag_values[] = {
 116     { 0x01, "RSVP Supported"},
 117     { 0x02, "LDP Supported"},
 118     { 0, NULL}
 119 };
 120
 121 /* Service Config Client Port Service Attribute Transparency Flags */
 122 static const struct tok lmp_obj_service_config_cpsa_tp_flag_values[] = {
 123     { 0x01, "Path/VC Overhead Transparency Supported"},
 124     { 0x02, "Line/MS Overhead Transparency Supported"},
 125     { 0x04, "Section/RS Overhead Transparency Supported"},
 126     { 0, NULL}
 127 };
 128
 129 /* Service Config Client Port Service Attribute Contiguous Concatenation Types Flags */
 130 static const struct tok lmp_obj_service_config_cpsa_cct_flag_values[] = {
 131     { 0x01, "Contiguous Concatenation Types Supported"},
 132     { 0, NULL}
 133 };
 134
 135 /* Service Config Network Service Attributes Transparency Flags */
 136 static const struct tok lmp_obj_service_config_nsa_transparency_flag_values[] = {
 137     { 0x01, "Standard SOH/RSOH Transparency Supported"},
 138     { 0x02, "Standard LOH/MSOH Transparency Supported"},
 139     { 0, NULL}
 140 };
 141
 142 /* Service Config Network Service Attributes TCM Monitoring Flags */
 143 static const struct tok lmp_obj_service_config_nsa_tcm_flag_values[] = {
 144     { 0x01, "Transparent Tandem Connection Monitoring Supported"},
 145     { 0, NULL}
 146 };
 147
 148 /* Network Service Attributes Network Diversity Flags */
 149 static const struct tok lmp_obj_service_config_nsa_network_diversity_flag_values[] = {
 150     { 0x01, "Node Diversity Supported"},
 151     { 0x02, "Link Diversity Supported"},
 152     { 0x04, "SRLG Diversity Supported"},
 153     { 0, NULL}
 154 };
 155
 156 #define LMP_MSGTYPE_CONFIG                 1
 157 #define LMP_MSGTYPE_CONFIG_ACK             2
 158 #define LMP_MSGTYPE_CONFIG_NACK            3
 159 #define LMP_MSGTYPE_HELLO                  4
 160 #define LMP_MSGTYPE_VERIFY_BEGIN           5
 161 #define LMP_MSGTYPE_VERIFY_BEGIN_ACK       6
 162 #define LMP_MSGTYPE_VERIFY_BEGIN_NACK      7
 163 #define LMP_MSGTYPE_VERIFY_END             8
 164 #define LMP_MSGTYPE_VERIFY_END_ACK         9
 165 #define LMP_MSGTYPE_TEST                  10
 166 #define LMP_MSGTYPE_TEST_STATUS_SUCCESS   11
 167 #define LMP_MSGTYPE_TEST_STATUS_FAILURE   12
 168 #define LMP_MSGTYPE_TEST_STATUS_ACK       13
 169 #define LMP_MSGTYPE_LINK_SUMMARY          14
 170 #define LMP_MSGTYPE_LINK_SUMMARY_ACK      15
 171 #define LMP_MSGTYPE_LINK_SUMMARY_NACK     16
 172 #define LMP_MSGTYPE_CHANNEL_STATUS        17
 173 #define LMP_MSGTYPE_CHANNEL_STATUS_ACK    18
 174 #define LMP_MSGTYPE_CHANNEL_STATUS_REQ    19
 175 #define LMP_MSGTYPE_CHANNEL_STATUS_RESP   20
 176 /* LMP Service Discovery message types defined by UNI 1.0 */
 177 #define LMP_MSGTYPE_SERVICE_CONFIG        50
 178 #define LMP_MSGTYPE_SERVICE_CONFIG_ACK    51
 179 #define LMP_MSGTYPE_SERVICE_CONFIG_NACK   52
 180
 181 static const struct tok lmp_msg_type_values[] = {
 182     { LMP_MSGTYPE_CONFIG, "Config"},
 183     { LMP_MSGTYPE_CONFIG_ACK, "Config ACK"},
 184     { LMP_MSGTYPE_CONFIG_NACK, "Config NACK"},
 185     { LMP_MSGTYPE_HELLO, "Hello"},
 186     { LMP_MSGTYPE_VERIFY_BEGIN, "Begin Verify"},
 187     { LMP_MSGTYPE_VERIFY_BEGIN_ACK, "Begin Verify ACK"},
 188     { LMP_MSGTYPE_VERIFY_BEGIN_NACK, "Begin Verify NACK"},
 189     { LMP_MSGTYPE_VERIFY_END, "End Verify"},
 190     { LMP_MSGTYPE_VERIFY_END_ACK, "End Verify ACK"},
 191     { LMP_MSGTYPE_TEST, "Test"},
 192     { LMP_MSGTYPE_TEST_STATUS_SUCCESS, "Test Status Success"},
 193     { LMP_MSGTYPE_TEST_STATUS_FAILURE, "Test Status Failure"},
 194     { LMP_MSGTYPE_TEST_STATUS_ACK, "Test Status ACK"},
 195     { LMP_MSGTYPE_LINK_SUMMARY, "Link Summary"},
 196     { LMP_MSGTYPE_LINK_SUMMARY_ACK, "Link Summary ACK"},
 197     { LMP_MSGTYPE_LINK_SUMMARY_NACK, "Link Summary NACK"},
 198     { LMP_MSGTYPE_CHANNEL_STATUS, "Channel Status"},
 199     { LMP_MSGTYPE_CHANNEL_STATUS_ACK, "Channel Status ACK"},
 200     { LMP_MSGTYPE_CHANNEL_STATUS_REQ, "Channel Status Request"},
 201     { LMP_MSGTYPE_CHANNEL_STATUS_RESP, "Channel Status Response"},
 202     { LMP_MSGTYPE_SERVICE_CONFIG, "Service Config"},
 203     { LMP_MSGTYPE_SERVICE_CONFIG_ACK, "Service Config ACK"},
 204     { LMP_MSGTYPE_SERVICE_CONFIG_NACK, "Service Config NACK"},
 205     { 0, NULL}
 206 };
 207
 208 /*
 209  * LMP object header
 210  *
 211  *  0                   1                   2                   3
 212  *  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
 213  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 214  * |N|   C-Type    |     Class     |            Length             |
 215  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 216  * |                                                               |
 217  * //                       (object contents)                     //
 218  * |                                                               |
 219  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 220  */
 221
 222 struct lmp_object_header {
 223     u_int8_t ctype;
 224     u_int8_t class_num;
 225     u_int8_t length[2];
 226 };
 227
 228 #define LMP_OBJ_CC_ID                 1
 229 #define LMP_OBJ_NODE_ID               2
 230 #define LMP_OBJ_LINK_ID               3
 231 #define LMP_OBJ_INTERFACE_ID          4
 232 #define LMP_OBJ_MESSAGE_ID            5
 233 #define LMP_OBJ_CONFIG                6
 234 #define LMP_OBJ_HELLO                 7
 235 #define LMP_OBJ_VERIFY_BEGIN          8
 236 #define LMP_OBJ_VERIFY_BEGIN_ACK      9
 237 #define LMP_OBJ_VERIFY_ID            10
 238 #define LMP_OBJ_TE_LINK              11
 239 #define LMP_OBJ_DATA_LINK            12
 240 #define LMP_OBJ_CHANNEL_STATUS       13
 241 #define LMP_OBJ_CHANNEL_STATUS_REQ   14
 242 #define LMP_OBJ_ERROR_CODE           20
 243
 244 #define LMP_OBJ_SERVICE_CONFIG       51 /* defined in UNI 1.0 */
 245
 246 static const struct tok lmp_obj_values[] = {
 247     { LMP_OBJ_CC_ID, "Control Channel ID" },
 248     { LMP_OBJ_NODE_ID, "Node ID" },
 249     { LMP_OBJ_LINK_ID, "Link ID" },
 250     { LMP_OBJ_INTERFACE_ID, "Interface ID" },
 251     { LMP_OBJ_MESSAGE_ID, "Message ID" },
 252     { LMP_OBJ_CONFIG, "Configuration" },
 253     { LMP_OBJ_HELLO, "Hello" },
 254     { LMP_OBJ_VERIFY_BEGIN, "Verify Begin" },
 255     { LMP_OBJ_VERIFY_BEGIN_ACK, "Verify Begin ACK" },
 256     { LMP_OBJ_VERIFY_ID, "Verify ID" },
 257     { LMP_OBJ_TE_LINK, "TE Link" },
 258     { LMP_OBJ_DATA_LINK, "Data Link" },
 259     { LMP_OBJ_CHANNEL_STATUS, "Channel Status" },
 260     { LMP_OBJ_CHANNEL_STATUS_REQ, "Channel Status Request" },
 261     { LMP_OBJ_ERROR_CODE, "Error Code" },
 262     { LMP_OBJ_SERVICE_CONFIG, "Service Config" },
 263
 264     { 0, NULL}
 265 };
 266
 267 #define INT_SWITCHING_TYPE_SUBOBJ 1
 268 #define WAVELENGTH_SUBOBJ         2
 269
 270 static const struct tok lmp_data_link_subobj[] = {
 271     { INT_SWITCHING_TYPE_SUBOBJ, "Interface Switching Type" },
 272     { WAVELENGTH_SUBOBJ        , "Wavelength" },
 273     { 0, NULL}
 274 };
 275
 276 #define LMP_CTYPE_IPV4       1
 277 #define LMP_CTYPE_IPV6       2
 278
 279 #define LMP_CTYPE_LOC        1
 280 #define LMP_CTYPE_RMT        2
 281 #define LMP_CTYPE_UNMD       3
 282
 283 #define LMP_CTYPE_IPV4_LOC   1
 284 #define LMP_CTYPE_IPV4_RMT   2
 285 #define LMP_CTYPE_IPV6_LOC   3
 286 #define LMP_CTYPE_IPV6_RMT   4
 287 #define LMP_CTYPE_UNMD_LOC   5
 288 #define LMP_CTYPE_UNMD_RMT   6
 289
 290 #define LMP_CTYPE_1          1
 291 #define LMP_CTYPE_2          2
 292
 293 #define LMP_CTYPE_HELLO_CONFIG  1
 294 #define LMP_CTYPE_HELLO         1
 295
 296 #define LMP_CTYPE_BEGIN_VERIFY_ERROR 1
 297 #define LMP_CTYPE_LINK_SUMMARY_ERROR 2
 298
 299 /* C-Types for Service Config Object */
 300 #define LMP_CTYPE_SERVICE_CONFIG_SP                   1
 301 #define LMP_CTYPE_SERVICE_CONFIG_CPSA                 2
 302 #define LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM     3
 303 #define LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY    4
 304
 305 /*
 306  * Different link types allowed in the Client Port Service Attributes
 307  * subobject defined for LMP Service Discovery in the UNI 1.0 spec
 308  */
 309 #define LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH     5 /* UNI 1.0 Sec 9.4.2 */
 310 #define LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET   6 /* UNI 1.0 Sec 9.4.2 */
 311
 312 /*
 313  * the ctypes are not globally unique so for
 314  * translating it to strings we build a table based
 315  * on objects offsetted by the ctype
 316  */
 317
 318 static const struct tok lmp_ctype_values[] = {
 319     { 256*LMP_OBJ_CC_ID+LMP_CTYPE_LOC, "Local" },
 320     { 256*LMP_OBJ_CC_ID+LMP_CTYPE_RMT, "Remote" },
 321     { 256*LMP_OBJ_NODE_ID+LMP_CTYPE_LOC, "Local" },
 322     { 256*LMP_OBJ_NODE_ID+LMP_CTYPE_RMT, "Remote" },
 323     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV4_LOC, "IPv4 Local" },
 324     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV4_RMT, "IPv4 Remote" },
 325     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV6_LOC, "IPv6 Local" },
 326     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV6_RMT, "IPv6 Remote" },
 327     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_UNMD_LOC, "Unnumbered Local" },
 328     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_UNMD_RMT, "Unnumbered Remote" },
 329     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV4_LOC, "IPv4 Local" },
 330     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV4_RMT, "IPv4 Remote" },
 331     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV6_LOC, "IPv6 Local" },
 332     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV6_RMT, "IPv6 Remote" },
 333     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_UNMD_LOC, "Unnumbered Local" },
 334     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_UNMD_RMT, "Unnumbered Remote" },
 335     { 256*LMP_OBJ_MESSAGE_ID+LMP_CTYPE_1, "1" },
 336     { 256*LMP_OBJ_MESSAGE_ID+LMP_CTYPE_2, "2" },
 337     { 256*LMP_OBJ_CONFIG+LMP_CTYPE_1, "1" },
 338     { 256*LMP_OBJ_HELLO+LMP_CTYPE_1, "1" },
 339     { 256*LMP_OBJ_VERIFY_BEGIN+LMP_CTYPE_1, "1" },
 340     { 256*LMP_OBJ_VERIFY_BEGIN_ACK+LMP_CTYPE_1, "1" },
 341     { 256*LMP_OBJ_VERIFY_ID+LMP_CTYPE_1, "1" },
 342     { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_IPV4, "IPv4" },
 343     { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_IPV6, "IPv6" },
 344     { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_UNMD, "Unnumbered" },
 345     { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_IPV4, "IPv4" },
 346     { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_IPV6, "IPv6" },
 347     { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_UNMD, "Unnumbered" },
 348     { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_IPV4, "IPv4" },
 349     { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_IPV6, "IPv6" },
 350     { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_UNMD, "Unnumbered" },
 351     { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_IPV4, "IPv4" },
 352     { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_IPV6, "IPv6" },
 353     { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_UNMD, "Unnumbered" },
 354     { 256*LMP_OBJ_ERROR_CODE+LMP_CTYPE_1, "1" },
 355     { 256*LMP_OBJ_ERROR_CODE+LMP_CTYPE_2, "2" },
 356     { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_SP, "1" },
 357     { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_CPSA, "2" },
 358     { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM, "3" },
 359     { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY, "4" },
 360     { 0, NULL}
 361 };
 362
 363 void
 364 lmp_print(register const u_char *pptr, register u_int len) {
 365
 366     const struct lmp_common_header *lmp_com_header;
 367     const struct lmp_object_header *lmp_obj_header;
 368     const u_char *tptr,*obj_tptr;
 369     int tlen,lmp_obj_len,lmp_obj_ctype,obj_tlen;
 370     int hexdump;
 371     int offset,subobj_type,subobj_len,total_subobj_len;
 372     int link_type;
 373
 374     union { /* int to float conversion buffer */
 375         float f;
 376         u_int32_t i;
 377     } bw;
 378
 379     tptr=pptr;
 380     lmp_com_header = (const struct lmp_common_header *)pptr;
 381     TCHECK(*lmp_com_header);
 382
 383     /*
 384      * Sanity checking of the header.
 385      */
 386     if (LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]) != LMP_VERSION) {
 387         printf("LMP version %u packet not supported",
 388                LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]));
 389         return;
 390     }
 391
 392     /* in non-verbose mode just lets print the basic Message Type*/
 393     if (vflag < 1) {
 394         printf("LMPv%u %s Message, length: %u",
 395                LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]),
 396                tok2str(lmp_msg_type_values, "unknown (%u)",lmp_com_header->msg_type),
 397                len);
 398         return;
 399     }
 400
 401     /* ok they seem to want to know everything - lets fully decode it */
 402
 403     tlen=EXTRACT_16BITS(lmp_com_header->length);
 404
 405     printf("\n\tLMPv%u, msg-type: %s, Flags: [%s], length: %u",
 406            LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]),
 407            tok2str(lmp_msg_type_values, "unknown, type: %u",lmp_com_header->msg_type),
 408            bittok2str(lmp_header_flag_values,"none",lmp_com_header->flags),
 409            tlen);
 410
 411     tptr+=sizeof(const struct lmp_common_header);
 412     tlen-=sizeof(const struct lmp_common_header);
 413
 414     while(tlen>0) {
 415         /* did we capture enough for fully decoding the object header ? */
 416         if (!TTEST2(*tptr, sizeof(struct lmp_object_header)))
 417             goto trunc;
 418
 419         lmp_obj_header = (const struct lmp_object_header *)tptr;
 420         lmp_obj_len=EXTRACT_16BITS(lmp_obj_header->length);
 421         lmp_obj_ctype=(lmp_obj_header->ctype)&0x7f;
 422
 423         if(lmp_obj_len % 4 || lmp_obj_len < 4)
 424             return;
 425
 426         printf("\n\t  %s Object (%u), Class-Type: %s (%u) Flags: [%snegotiable], length: %u",
 427                tok2str(lmp_obj_values,
 428                        "Unknown",
 429                        lmp_obj_header->class_num),
 430                lmp_obj_header->class_num,
 431                tok2str(lmp_ctype_values,
 432                        "Unknown",
 433                        ((lmp_obj_header->class_num)<<8)+lmp_obj_ctype),
 434                lmp_obj_ctype,
 435                (lmp_obj_header->ctype)&0x80 ? "" : "non-",
 436                lmp_obj_len);
 437
 438         obj_tptr=tptr+sizeof(struct lmp_object_header);
 439         obj_tlen=lmp_obj_len-sizeof(struct lmp_object_header);
 440
 441         /* did we capture enough for fully decoding the object ? */
 442         if (!TTEST2(*tptr, lmp_obj_len))
 443             goto trunc;
 444         hexdump=FALSE;
 445
 446         switch(lmp_obj_header->class_num) {
 447
 448         case LMP_OBJ_CC_ID:
 449             switch(lmp_obj_ctype) {
 450             case LMP_CTYPE_LOC:
 451             case LMP_CTYPE_RMT:
 452                 printf("\n\t    Control Channel ID: %u (0x%08x)",
 453                        EXTRACT_32BITS(obj_tptr),
 454                        EXTRACT_32BITS(obj_tptr));
 455                 break;
 456
 457             default:
 458                 hexdump=TRUE;
 459             }
 460             break;
 461
 462         case LMP_OBJ_LINK_ID:
 463         case LMP_OBJ_INTERFACE_ID:
 464             switch(lmp_obj_ctype) {
 465             case LMP_CTYPE_IPV4_LOC:
 466             case LMP_CTYPE_IPV4_RMT:
 467                 printf("\n\t    IPv4 Link ID: %s (0x%08x)",
 468                        ipaddr_string(obj_tptr),
 469                        EXTRACT_32BITS(obj_tptr));
 470                 break;
 471 #ifdef INET6
 472             case LMP_CTYPE_IPV6_LOC:
 473             case LMP_CTYPE_IPV6_RMT:
 474                 printf("\n\t    IPv6 Link ID: %s (0x%08x)",
 475                        ip6addr_string(obj_tptr),
 476                        EXTRACT_32BITS(obj_tptr));
 477                 break;
 478 #endif
 479             case LMP_CTYPE_UNMD_LOC:
 480             case LMP_CTYPE_UNMD_RMT:
 481                 printf("\n\t    Link ID: %u (0x%08x)",
 482                        EXTRACT_32BITS(obj_tptr),
 483                        EXTRACT_32BITS(obj_tptr));
 484                 break;
 485             default:
 486                 hexdump=TRUE;
 487             }
 488             break;
 489
 490         case LMP_OBJ_MESSAGE_ID:
 491             switch(lmp_obj_ctype) {
 492             case LMP_CTYPE_1:
 493                 printf("\n\t    Message ID: %u (0x%08x)",
 494                        EXTRACT_32BITS(obj_tptr),
 495                        EXTRACT_32BITS(obj_tptr));
 496                 break;
 497             case LMP_CTYPE_2:
 498                 printf("\n\t    Message ID Ack: %u (0x%08x)",
 499                        EXTRACT_32BITS(obj_tptr),
 500                        EXTRACT_32BITS(obj_tptr));
 501                 break;
 502             default:
 503                 hexdump=TRUE;
 504             }
 505             break;
 506
 507         case LMP_OBJ_NODE_ID:
 508             switch(lmp_obj_ctype) {
 509             case LMP_CTYPE_LOC:
 510             case LMP_CTYPE_RMT:
 511                 printf("\n\t    Node ID: %s (0x%08x)",
 512                        ipaddr_string(obj_tptr),
 513                        EXTRACT_32BITS(obj_tptr));
 514                 break;
 515
 516             default:
 517                 hexdump=TRUE;
 518             }
 519             break;
 520
 521         case LMP_OBJ_CONFIG:
 522             switch(lmp_obj_ctype) {
 523             case LMP_CTYPE_HELLO_CONFIG:
 524                 printf("\n\t    Hello Interval: %u\n\t    Hello Dead Interval: %u",
 525                        EXTRACT_16BITS(obj_tptr),
 526                        EXTRACT_16BITS(obj_tptr+2));
 527                 break;
 528
 529             default:
 530                 hexdump=TRUE;
 531             }
 532             break;
 533
 534         case LMP_OBJ_HELLO:
 535             switch(lmp_obj_ctype) {
 536             case LMP_CTYPE_HELLO:
 537                 printf("\n\t    Tx Seq: %u, Rx Seq: %u",
 538                        EXTRACT_32BITS(obj_tptr),
 539                        EXTRACT_32BITS(obj_tptr+4));
 540                 break;
 541
 542             default:
 543                 hexdump=TRUE;
 544             }
 545             break;
 546
 547         case LMP_OBJ_TE_LINK:
 548                 printf("\n\t    Flags: [%s]",
 549                 bittok2str(lmp_obj_te_link_flag_values,
 550                         "none",
 551                         EXTRACT_16BITS(obj_tptr)>>8));
 552
 553             switch(lmp_obj_ctype) {
 554             case LMP_CTYPE_IPV4:
 555                 printf("\n\t    Local Link-ID: %s (0x%08x) \
 556                         \n\t    Remote Link-ID: %s (0x%08x)",
 557                        ipaddr_string(obj_tptr+4),
 558                        EXTRACT_32BITS(obj_tptr+4),
 559                        ipaddr_string(obj_tptr+8),
 560                        EXTRACT_32BITS(obj_tptr+8));
 561                 break;
 562
 563 #ifdef INET6
 564             case LMP_CTYPE_IPV6:
 565 #endif
 566             case LMP_CTYPE_UNMD:
 567             default:
 568                 hexdump=TRUE;
 569             }
 570             break;
 571
 572         case LMP_OBJ_DATA_LINK:
 573                 printf("\n\t    Flags: [%s]",
 574                 bittok2str(lmp_obj_data_link_flag_values,
 575                         "none",
 576                         EXTRACT_16BITS(obj_tptr)>>8));
 577
 578             switch(lmp_obj_ctype) {
 579             case LMP_CTYPE_IPV4:
 580             case LMP_CTYPE_UNMD:
 581                 printf("\n\t    Local Interface ID: %s (0x%08x) \
 582                         \n\t    Remote Interface ID: %s (0x%08x)",
 583                        ipaddr_string(obj_tptr+4),
 584                        EXTRACT_32BITS(obj_tptr+4),
 585                        ipaddr_string(obj_tptr+8),
 586                        EXTRACT_32BITS(obj_tptr+8));
 587
 588                 total_subobj_len = lmp_obj_len - 16;
 589                 offset = 12;
 590                 while (total_subobj_len > 0 && hexdump == FALSE ) {
 591                         subobj_type = EXTRACT_16BITS(obj_tptr+offset)>>8;
 592                         subobj_len  = EXTRACT_16BITS(obj_tptr+offset)&0x00FF;
 593                         printf("\n\t    Subobject, Type: %s (%u), Length: %u",
 594                                 tok2str(lmp_data_link_subobj,
 595                                         "Unknown",
 596                                         subobj_type),
 597                                         subobj_type,
 598                                         subobj_len);
 599                         switch(subobj_type) {
 600                         case INT_SWITCHING_TYPE_SUBOBJ:
 601                                 printf("\n\t      Switching Type: %s (%u)",
 602                                         tok2str(gmpls_switch_cap_values,
 603                                                 "Unknown",
 604                                                 EXTRACT_16BITS(obj_tptr+offset+2)>>8),
 605                                         EXTRACT_16BITS(obj_tptr+offset+2)>>8);
 606                                 printf("\n\t      Encoding Type: %s (%u)",
 607                                         tok2str(gmpls_encoding_values,
 608                                                 "Unknown",
 609                                                 EXTRACT_16BITS(obj_tptr+offset+2)&0x00FF),
 610                                         EXTRACT_16BITS(obj_tptr+offset+2)&0x00FF);
 611                                 bw.i = EXTRACT_32BITS(obj_tptr+offset+4);
 612                                 printf("\n\t      Min Reservable Bandwidth: %.3f Mbps",
 613                                        bw.f*8/1000000);
 614                                 bw.i = EXTRACT_32BITS(obj_tptr+offset+8);
 615                                 printf("\n\t      Max Reservable Bandwidth: %.3f Mbps",
 616                                        bw.f*8/1000000);
 617                                 break;
 618                         case WAVELENGTH_SUBOBJ:
 619                                 printf("\n\t      Wavelength: %u",
 620                                         EXTRACT_32BITS(obj_tptr+offset+4));
 621                                 break;
 622                         default:
 623                                 /* Any Unknown Subobject ==> Exit loop */
 624                                 hexdump=TRUE;
 625                                 break;
 626                         }
 627                         total_subobj_len-=subobj_len;
 628                         offset+=subobj_len;
 629                 }
 630
 631                 break;
 632 #ifdef INET6
 633             case LMP_CTYPE_IPV6:
 634 #endif
 635             default:
 636                 hexdump=TRUE;
 637             }
 638             break;
 639
 640         case LMP_OBJ_VERIFY_BEGIN:
 641             switch(lmp_obj_ctype) {
 642             case LMP_CTYPE_1:
 643                 printf("\n\t    Flags: %s",
 644                 bittok2str(lmp_obj_begin_verify_flag_values,
 645                         "none",
 646                         EXTRACT_16BITS(obj_tptr)));
 647                 printf("\n\t    Verify Interval: %u",
 648                         EXTRACT_16BITS(obj_tptr+2));
 649                 printf("\n\t    Data links: %u",
 650                         EXTRACT_32BITS(obj_tptr+4));
 651                 printf("\n\t    Encoding type: %s",
 652                         tok2str(gmpls_encoding_values, "Unknown", *(obj_tptr+8)));
 653                 printf("\n\t    Verify Tranport Mechanism: %u (0x%x) %s",
 654                         EXTRACT_16BITS(obj_tptr+10),
 655                         EXTRACT_16BITS(obj_tptr+10),
 656                         EXTRACT_16BITS(obj_tptr+10)&8000 ? "(Payload test messages capable)" : "");
 657                 bw.i = EXTRACT_32BITS(obj_tptr+12);
 658                 printf("\n\t    Transmission Rate: %.3f Mbps",bw.f*8/1000000);
 659                 printf("\n\t    Wavelength: %u",
 660                         EXTRACT_32BITS(obj_tptr+16));
 661                 break;
 662
 663             default:
 664                 hexdump=TRUE;
 665             }
 666             break;
 667
 668         case LMP_OBJ_VERIFY_BEGIN_ACK:
 669             switch(lmp_obj_ctype) {
 670             case LMP_CTYPE_1:
 671                 printf("\n\t    Verify Dead Interval: %u        \
 672                         \n\t    Verify Transport Response: %u",
 673                        EXTRACT_16BITS(obj_tptr),
 674                        EXTRACT_16BITS(obj_tptr+2));
 675                 break;
 676
 677             default:
 678                 hexdump=TRUE;
 679             }
 680             break;
 681
 682         case LMP_OBJ_VERIFY_ID:
 683             switch(lmp_obj_ctype) {
 684             case LMP_CTYPE_1:
 685                 printf("\n\t    Verify ID: %u",
 686                        EXTRACT_32BITS(obj_tptr));
 687                 break;
 688
 689             default:
 690                 hexdump=TRUE;
 691             }
 692             break;
 693
 694         case LMP_OBJ_CHANNEL_STATUS:
 695             switch(lmp_obj_ctype) {
 696             case LMP_CTYPE_IPV4:
 697             case LMP_CTYPE_UNMD:
 698                 offset = 0;
 699                 /* Decode pairs: <Interface_ID (4 bytes), Channel_status (4 bytes)> */
 700                 while (offset < (lmp_obj_len-(int)sizeof(struct lmp_object_header)) ) {
 701                         printf("\n\t    Interface ID: %s (0x%08x)",
 702                         ipaddr_string(obj_tptr+offset),
 703                         EXTRACT_32BITS(obj_tptr+offset));
 704
 705                         printf("\n\t\t    Active: %s (%u)",             (EXTRACT_32BITS(obj_tptr+offset+4)>>31) ?
 706                                                 "Allocated" : "Non-allocated",
 707                                 (EXTRACT_32BITS(obj_tptr+offset+4)>>31));
 708
 709                         printf("\n\t\t    Direction: %s (%u)", (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1 ?
 710                                                 "Transmit" : "Receive",
 711                                 (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1);
 712
 713                         printf("\n\t\t    Channel Status: %s (%u)",
 714                                         tok2str(lmp_obj_channel_status_values,
 715                                         "Unknown",
 716                                         EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF),
 717                         EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF);
 718                         offset+=8;
 719                 }
 720                 break;
 721 #ifdef INET6
 722             case LMP_CTYPE_IPV6:
 723 #endif
 724             default:
 725                 hexdump=TRUE;
 726             }
 727             break;
 728
 729         case LMP_OBJ_CHANNEL_STATUS_REQ:
 730             switch(lmp_obj_ctype) {
 731             case LMP_CTYPE_IPV4:
 732             case LMP_CTYPE_UNMD:
 733                 offset = 0;
 734                 while (offset < (lmp_obj_len-(int)sizeof(struct lmp_object_header)) ) {
 735                         printf("\n\t    Interface ID: %s (0x%08x)",
 736                         ipaddr_string(obj_tptr+offset),
 737                         EXTRACT_32BITS(obj_tptr+offset));
 738                         offset+=4;
 739                 }
 740                 break;
 741 #ifdef INET6
 742             case LMP_CTYPE_IPV6:
 743 #endif
 744             default:
 745                 hexdump=TRUE;
 746             }
 747             break;
 748
 749         case LMP_OBJ_ERROR_CODE:
 750             switch(lmp_obj_ctype) {
 751             case LMP_CTYPE_BEGIN_VERIFY_ERROR:
 752                 printf("\n\t    Error Code: %s",
 753                 bittok2str(lmp_obj_begin_verify_error_values,
 754                         "none",
 755                         EXTRACT_32BITS(obj_tptr)));
 756                 break;
 757
 758             case LMP_CTYPE_LINK_SUMMARY_ERROR:
 759                 printf("\n\t    Error Code: %s",
 760                 bittok2str(lmp_obj_link_summary_error_values,
 761                         "none",
 762                         EXTRACT_32BITS(obj_tptr)));
 763                 break;
 764             default:
 765                 hexdump=TRUE;
 766             }
 767             break;
 768
 769         case LMP_OBJ_SERVICE_CONFIG:
 770             switch (lmp_obj_ctype) {
 771             case LMP_CTYPE_SERVICE_CONFIG_SP:
 772
 773                 printf("\n\t Flags: %s",
 774                        bittok2str(lmp_obj_service_config_sp_flag_values,
 775                                   "none",
 776                                   EXTRACT_16BITS(obj_tptr)>>8));
 777
 778                 printf("\n\t  UNI Version: %u",
 779                        EXTRACT_16BITS(obj_tptr) & 0x00FF);
 780
 781                 break;
 782
 783             case LMP_CTYPE_SERVICE_CONFIG_CPSA:
 784
 785                 link_type = EXTRACT_16BITS(obj_tptr)>>8;
 786
 787                 printf("\n\t Link Type: %s (%u)",
 788                        tok2str(lmp_sd_service_config_cpsa_link_type_values,
 789                                "Unknown", link_type),
 790                        link_type);
 791
 792                 if (link_type == LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH) {
 793                     printf("\n\t Signal Type: %s (%u)",
 794                            tok2str(lmp_sd_service_config_cpsa_signal_type_sdh_values,
 795                                    "Unknown",
 796                                    EXTRACT_16BITS(obj_tptr) & 0x00FF),
 797                            EXTRACT_16BITS(obj_tptr) & 0x00FF);
 798                 }
 799
 800                 if (link_type == LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET) {
 801                     printf("\n\t Signal Type: %s (%u)",
 802                            tok2str(lmp_sd_service_config_cpsa_signal_type_sonet_values,
 803                                    "Unknown",
 804                                    EXTRACT_16BITS(obj_tptr) & 0x00FF),
 805                            EXTRACT_16BITS(obj_tptr) & 0x00FF);
 806                 }
 807
 808                 printf("\n\t Transparency: %s",
 809                        bittok2str(lmp_obj_service_config_cpsa_tp_flag_values,
 810                                   "none",
 811                                   EXTRACT_16BITS(obj_tptr+2)>>8));
 812
 813                 printf("\n\t Contiguous Concatenation Types: %s",
 814                        bittok2str(lmp_obj_service_config_cpsa_cct_flag_values,
 815                                   "none",
 816                                   EXTRACT_16BITS(obj_tptr+2)>>8 & 0x00FF));
 817
 818                 printf("\n\t Minimum NCC: %u",
 819                        EXTRACT_16BITS(obj_tptr+4));
 820
 821                 printf("\n\t Maximum NCC: %u",
 822                        EXTRACT_16BITS(obj_tptr+6));
 823
 824                 printf("\n\t Minimum NVC:%u",
 825                        EXTRACT_16BITS(obj_tptr+8));
 826
 827                 printf("\n\t Maximum NVC:%u",
 828                        EXTRACT_16BITS(obj_tptr+10));
 829
 830                 printf("\n\t    Local Interface ID: %s (0x%08x)",
 831                        ipaddr_string(obj_tptr+12),
 832                        EXTRACT_32BITS(obj_tptr+12));
 833
 834                 break;
 835
 836             case LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM:
 837
 838                 printf("\n\t Transparency Flags: %s",
 839                        bittok2str(
 840                            lmp_obj_service_config_nsa_transparency_flag_values,
 841                            "none",
 842                            EXTRACT_32BITS(obj_tptr)));
 843
 844                 printf("\n\t TCM Monitoring Flags: %s",
 845                        bittok2str(
 846                            lmp_obj_service_config_nsa_tcm_flag_values,
 847                            "none",
 848                            EXTRACT_16BITS(obj_tptr+6) & 0x00FF));
 849
 850                 break;
 851
 852             case LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY:
 853
 854                 printf("\n\t Diversity: Flags: %s",
 855                        bittok2str(
 856                            lmp_obj_service_config_nsa_network_diversity_flag_values,
 857                            "none",
 858                            EXTRACT_16BITS(obj_tptr+2) & 0x00FF));
 859                 break;
 860
 861             default:
 862                 hexdump = TRUE;
 863             };
 864
 865         break;
 866
 867         default:
 868             if (vflag <= 1)
 869                 print_unknown_data(obj_tptr,"\n\t    ",obj_tlen);
 870             break;
 871         }
 872         /* do we want to see an additionally hexdump ? */
 873         if (vflag > 1 || hexdump==TRUE)
 874             print_unknown_data(tptr+sizeof(struct lmp_object_header),"\n\t    ",
 875                                lmp_obj_len-sizeof(struct lmp_object_header));
 876
 877         tptr+=lmp_obj_len;
 878         tlen-=lmp_obj_len;
 879     }
 880     return;
 881 trunc:
 882     printf("\n\t\t packet exceeded snapshot");
 883 }