epan/dissectors/packet-h323.c

   1 /* Do not modify this file. Changes will be overwritten.                      */
   2 /* Generated automatically by the ASN.1 to Wireshark dissector compiler       */
   3 /* packet-h323.c                                                              */
   4 /* asn2wrs.py -q -L -p h323 -c ./h323.cnf -s ./packet-h323-template -D . -O ../.. RAS-PROTOCOL-TUNNEL.asn ROBUSTNESS-DATA.asn */
   5
   6 /* packet-h323.c
   7  * Routines for H.323 packet dissection
   8  * 2007  Tomas Kukosa
   9  *
  10  * Wireshark - Network traffic analyzer
  11  * By Gerald Combs <gerald@wireshark.org>
  12  * Copyright 1998 Gerald Combs
  13  *
  14  * SPDX-License-Identifier: GPL-2.0-or-later
  15  */
  16
  17 #include "config.h"
  18
  19 #include <epan/packet.h>
  20 #include <epan/oids.h>
  21 #include <epan/asn1.h>
  22 #include <wsutil/array.h>
  23
  24 #include "packet-per.h"
  25 #include "packet-h225.h"
  26 #include "packet-h323.h"
  27
  28 #define PNAME  "H.323"
  29 #define PSNAME "H.323"
  30 #define PFNAME "h323"
  31
  32 void proto_register_h323(void);
  33 void proto_reg_handoff_h323(void);
  34
  35 /* Generic Extensible Framework */
  36 gef_ctx_t* gef_ctx_alloc(wmem_allocator_t *pool, gef_ctx_t *parent, const char *type) {
  37   gef_ctx_t *gefx;
  38
  39   gefx = wmem_new0(pool, gef_ctx_t);
  40   gefx->signature = GEF_CTX_SIGNATURE;
  41   gefx->parent = parent;
  42   gefx->type = type;
  43   return gefx;
  44 }
  45
  46 bool gef_ctx_check_signature(gef_ctx_t *gefx) {
  47   return gefx && (gefx->signature == GEF_CTX_SIGNATURE);
  48 }
  49
  50 gef_ctx_t* gef_ctx_get(void *ptr) {
  51   gef_ctx_t *gefx = (gef_ctx_t*)ptr;
  52   asn1_ctx_t *actx = (asn1_ctx_t*)ptr;
  53
  54   if (!asn1_ctx_check_signature(actx))
  55     actx = NULL;
  56
  57   if (actx)
  58     gefx = (gef_ctx_t *)actx->private_data;
  59
  60   if (!gef_ctx_check_signature(gefx))
  61     gefx = NULL;
  62
  63   return gefx;
  64 }
  65
  66 void gef_ctx_update_key(wmem_allocator_t *pool, gef_ctx_t *gefx) {
  67   const char *parent_key;
  68
  69   if (!gefx) return;
  70   parent_key = (gefx->parent) ? gefx->parent->key : NULL;
  71   gefx->key = wmem_strdup_printf(pool,
  72     "%s%s"    /* parent prefix */
  73     "%s%s%s"  /* type, id */
  74     "%s%s"    /* subid */,
  75     (parent_key) ? parent_key : "", (parent_key) ? "/" : "",
  76     (gefx->type) ? gefx->type : "", (gefx->type && (gefx->id || gefx->subid)) ? "/" : "", (gefx->id) ? gefx->id : "",
  77     (gefx->subid) ? "-" : "", (gefx->subid) ? gefx->subid : ""
  78   );
  79 }
  80
  81 /* Initialize the protocol and registered fields */
  82 static int proto_h323;
  83 static int hf_h323_RasTunnelledSignallingMessage_PDU;  /* RasTunnelledSignallingMessage */
  84 static int hf_h323_RobustnessData_PDU;            /* RobustnessData */
  85 static int hf_h323_tunnelledProtocolID;           /* TunnelledProtocol */
  86 static int hf_h323_messageContent;                /* T_messageContent */
  87 static int hf_h323_messageContent_item;           /* OCTET_STRING */
  88 static int hf_h323_tunnellingRequired;            /* NULL */
  89 static int hf_h323_nonStandardData;               /* NonStandardParameter */
  90 static int hf_h323_versionID;                     /* INTEGER_1_256 */
  91 static int hf_h323_robustnessData;                /* T_robustnessData */
  92 static int hf_h323_rrqData;                       /* Rrq_RD */
  93 static int hf_h323_rcfData;                       /* Rcf_RD */
  94 static int hf_h323_setupData;                     /* Setup_RD */
  95 static int hf_h323_connectData;                   /* Connect_RD */
  96 static int hf_h323_statusData;                    /* Status_RD */
  97 static int hf_h323_statusInquiryData;             /* StatusInquiry_RD */
  98 static int hf_h323_BackupCallSignalAddresses_item;  /* BackupCallSignalAddresses_item */
  99 static int hf_h323_tcp;                           /* TransportAddress */
 100 static int hf_h323_alternateTransport;            /* AlternateTransportAddresses */
 101 static int hf_h323_backupCallSignalAddresses;     /* BackupCallSignalAddresses */
 102 static int hf_h323_hasSharedRepository;           /* NULL */
 103 static int hf_h323_irrFrequency;                  /* INTEGER_1_65535 */
 104 static int hf_h323_endpointGuid;                  /* GloballyUniqueIdentifier */
 105 static int hf_h323_h245Address;                   /* TransportAddress */
 106 static int hf_h323_fastStart;                     /* T_fastStart */
 107 static int hf_h323_fastStart_item;                /* OCTET_STRING */
 108 static int hf_h323_resetH245;                     /* NULL */
 109 static int hf_h323_timeToLive;                    /* TimeToLive */
 110 static int hf_h323_includeFastStart;              /* NULL */
 111
 112 /* Initialize the subtree pointers */
 113 static int ett_h323_RasTunnelledSignallingMessage;
 114 static int ett_h323_T_messageContent;
 115 static int ett_h323_RobustnessData;
 116 static int ett_h323_T_robustnessData;
 117 static int ett_h323_BackupCallSignalAddresses;
 118 static int ett_h323_BackupCallSignalAddresses_item;
 119 static int ett_h323_Rrq_RD;
 120 static int ett_h323_Rcf_RD;
 121 static int ett_h323_Setup_RD;
 122 static int ett_h323_Connect_RD;
 123 static int ett_h323_Status_RD;
 124 static int ett_h323_T_fastStart;
 125 static int ett_h323_StatusInquiry_RD;
 126
 127
 128
 129 static int
 130 dissect_h323_OCTET_STRING(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 131   offset = dissect_per_octet_string(tvb, offset, actx, tree, hf_index,
 132                                        NO_BOUND, NO_BOUND, false, NULL);
 133
 134   return offset;
 135 }
 136
 137
 138 static const per_sequence_t T_messageContent_sequence_of[1] = {
 139   { &hf_h323_messageContent_item, ASN1_NO_EXTENSIONS     , ASN1_NOT_OPTIONAL, dissect_h323_OCTET_STRING },
 140 };
 141
 142 static int
 143 dissect_h323_T_messageContent(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 144   offset = dissect_per_sequence_of(tvb, offset, actx, tree, hf_index,
 145                                       ett_h323_T_messageContent, T_messageContent_sequence_of);
 146
 147   return offset;
 148 }
 149
 150
 151
 152 static int
 153 dissect_h323_NULL(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 154   offset = dissect_per_null(tvb, offset, actx, tree, hf_index);
 155
 156   return offset;
 157 }
 158
 159
 160 static const per_sequence_t RasTunnelledSignallingMessage_sequence[] = {
 161   { &hf_h323_tunnelledProtocolID, ASN1_EXTENSION_ROOT    , ASN1_NOT_OPTIONAL, dissect_h225_TunnelledProtocol },
 162   { &hf_h323_messageContent , ASN1_EXTENSION_ROOT    , ASN1_NOT_OPTIONAL, dissect_h323_T_messageContent },
 163   { &hf_h323_tunnellingRequired, ASN1_EXTENSION_ROOT    , ASN1_OPTIONAL    , dissect_h323_NULL },
 164   { &hf_h323_nonStandardData, ASN1_EXTENSION_ROOT    , ASN1_OPTIONAL    , dissect_h225_NonStandardParameter },
 165   { NULL, 0, 0, NULL }
 166 };
 167
 168 static int
 169 dissect_h323_RasTunnelledSignallingMessage(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 170   offset = dissect_per_sequence(tvb, offset, actx, tree, hf_index,
 171                                    ett_h323_RasTunnelledSignallingMessage, RasTunnelledSignallingMessage_sequence);
 172
 173   return offset;
 174 }
 175
 176
 177
 178 static int
 179 dissect_h323_INTEGER_1_256(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 180   offset = dissect_per_constrained_integer(tvb, offset, actx, tree, hf_index,
 181                                                             1U, 256U, NULL, false);
 182
 183   return offset;
 184 }
 185
 186
 187 static const value_string h323_BackupCallSignalAddresses_item_vals[] = {
 188   {   0, "tcp" },
 189   {   1, "alternateTransport" },
 190   { 0, NULL }
 191 };
 192
 193 static const per_choice_t BackupCallSignalAddresses_item_choice[] = {
 194   {   0, &hf_h323_tcp            , ASN1_EXTENSION_ROOT    , dissect_h225_TransportAddress },
 195   {   1, &hf_h323_alternateTransport, ASN1_EXTENSION_ROOT    , dissect_h225_AlternateTransportAddresses },
 196   { 0, NULL, 0, NULL }
 197 };
 198
 199 static int
 200 dissect_h323_BackupCallSignalAddresses_item(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 201   offset = dissect_per_choice(tvb, offset, actx, tree, hf_index,
 202                                  ett_h323_BackupCallSignalAddresses_item, BackupCallSignalAddresses_item_choice,
 203                                  NULL);
 204
 205   return offset;
 206 }
 207
 208
 209 static const per_sequence_t BackupCallSignalAddresses_sequence_of[1] = {
 210   { &hf_h323_BackupCallSignalAddresses_item, ASN1_NO_EXTENSIONS     , ASN1_NOT_OPTIONAL, dissect_h323_BackupCallSignalAddresses_item },
 211 };
 212
 213 static int
 214 dissect_h323_BackupCallSignalAddresses(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 215   offset = dissect_per_sequence_of(tvb, offset, actx, tree, hf_index,
 216                                       ett_h323_BackupCallSignalAddresses, BackupCallSignalAddresses_sequence_of);
 217
 218   return offset;
 219 }
 220
 221
 222 static const per_sequence_t Rrq_RD_sequence[] = {
 223   { &hf_h323_backupCallSignalAddresses, ASN1_EXTENSION_ROOT    , ASN1_NOT_OPTIONAL, dissect_h323_BackupCallSignalAddresses },
 224   { &hf_h323_hasSharedRepository, ASN1_EXTENSION_ROOT    , ASN1_OPTIONAL    , dissect_h323_NULL },
 225   { NULL, 0, 0, NULL }
 226 };
 227
 228 static int
 229 dissect_h323_Rrq_RD(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 230   offset = dissect_per_sequence(tvb, offset, actx, tree, hf_index,
 231                                    ett_h323_Rrq_RD, Rrq_RD_sequence);
 232
 233   return offset;
 234 }
 235
 236
 237
 238 static int
 239 dissect_h323_INTEGER_1_65535(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 240   offset = dissect_per_constrained_integer(tvb, offset, actx, tree, hf_index,
 241                                                             1U, 65535U, NULL, false);
 242
 243   return offset;
 244 }
 245
 246
 247 static const per_sequence_t Rcf_RD_sequence[] = {
 248   { &hf_h323_hasSharedRepository, ASN1_EXTENSION_ROOT    , ASN1_OPTIONAL    , dissect_h323_NULL },
 249   { &hf_h323_irrFrequency   , ASN1_NOT_EXTENSION_ROOT, ASN1_OPTIONAL    , dissect_h323_INTEGER_1_65535 },
 250   { NULL, 0, 0, NULL }
 251 };
 252
 253 static int
 254 dissect_h323_Rcf_RD(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 255   offset = dissect_per_sequence(tvb, offset, actx, tree, hf_index,
 256                                    ett_h323_Rcf_RD, Rcf_RD_sequence);
 257
 258   return offset;
 259 }
 260
 261
 262
 263 static int
 264 dissect_h323_GloballyUniqueIdentifier(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 265   offset = dissect_h225_GloballyUniqueID(tvb, offset, actx, tree, hf_index);
 266
 267   return offset;
 268 }
 269
 270
 271 static const per_sequence_t Setup_RD_sequence[] = {
 272   { &hf_h323_backupCallSignalAddresses, ASN1_EXTENSION_ROOT    , ASN1_NOT_OPTIONAL, dissect_h323_BackupCallSignalAddresses },
 273   { &hf_h323_hasSharedRepository, ASN1_EXTENSION_ROOT    , ASN1_OPTIONAL    , dissect_h323_NULL },
 274   { &hf_h323_endpointGuid   , ASN1_EXTENSION_ROOT    , ASN1_OPTIONAL    , dissect_h323_GloballyUniqueIdentifier },
 275   { NULL, 0, 0, NULL }
 276 };
 277
 278 static int
 279 dissect_h323_Setup_RD(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 280   offset = dissect_per_sequence(tvb, offset, actx, tree, hf_index,
 281                                    ett_h323_Setup_RD, Setup_RD_sequence);
 282
 283   return offset;
 284 }
 285
 286
 287 static const per_sequence_t Connect_RD_sequence[] = {
 288   { &hf_h323_backupCallSignalAddresses, ASN1_EXTENSION_ROOT    , ASN1_NOT_OPTIONAL, dissect_h323_BackupCallSignalAddresses },
 289   { &hf_h323_hasSharedRepository, ASN1_EXTENSION_ROOT    , ASN1_OPTIONAL    , dissect_h323_NULL },
 290   { &hf_h323_endpointGuid   , ASN1_EXTENSION_ROOT    , ASN1_OPTIONAL    , dissect_h323_GloballyUniqueIdentifier },
 291   { NULL, 0, 0, NULL }
 292 };
 293
 294 static int
 295 dissect_h323_Connect_RD(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 296   offset = dissect_per_sequence(tvb, offset, actx, tree, hf_index,
 297                                    ett_h323_Connect_RD, Connect_RD_sequence);
 298
 299   return offset;
 300 }
 301
 302
 303 static const per_sequence_t T_fastStart_sequence_of[1] = {
 304   { &hf_h323_fastStart_item , ASN1_NO_EXTENSIONS     , ASN1_NOT_OPTIONAL, dissect_h323_OCTET_STRING },
 305 };
 306
 307 static int
 308 dissect_h323_T_fastStart(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 309   offset = dissect_per_sequence_of(tvb, offset, actx, tree, hf_index,
 310                                       ett_h323_T_fastStart, T_fastStart_sequence_of);
 311
 312   return offset;
 313 }
 314
 315
 316 static const per_sequence_t Status_RD_sequence[] = {
 317   { &hf_h323_h245Address    , ASN1_EXTENSION_ROOT    , ASN1_OPTIONAL    , dissect_h225_TransportAddress },
 318   { &hf_h323_fastStart      , ASN1_EXTENSION_ROOT    , ASN1_OPTIONAL    , dissect_h323_T_fastStart },
 319   { &hf_h323_resetH245      , ASN1_NOT_EXTENSION_ROOT, ASN1_OPTIONAL    , dissect_h323_NULL },
 320   { NULL, 0, 0, NULL }
 321 };
 322
 323 static int
 324 dissect_h323_Status_RD(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 325   offset = dissect_per_sequence(tvb, offset, actx, tree, hf_index,
 326                                    ett_h323_Status_RD, Status_RD_sequence);
 327
 328   return offset;
 329 }
 330
 331
 332 static const per_sequence_t StatusInquiry_RD_sequence[] = {
 333   { &hf_h323_h245Address    , ASN1_EXTENSION_ROOT    , ASN1_OPTIONAL    , dissect_h225_TransportAddress },
 334   { &hf_h323_timeToLive     , ASN1_EXTENSION_ROOT    , ASN1_OPTIONAL    , dissect_h225_TimeToLive },
 335   { &hf_h323_includeFastStart, ASN1_EXTENSION_ROOT    , ASN1_OPTIONAL    , dissect_h323_NULL },
 336   { NULL, 0, 0, NULL }
 337 };
 338
 339 static int
 340 dissect_h323_StatusInquiry_RD(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 341   offset = dissect_per_sequence(tvb, offset, actx, tree, hf_index,
 342                                    ett_h323_StatusInquiry_RD, StatusInquiry_RD_sequence);
 343
 344   return offset;
 345 }
 346
 347
 348 static const value_string h323_T_robustnessData_vals[] = {
 349   {   0, "rrqData" },
 350   {   1, "rcfData" },
 351   {   2, "setupData" },
 352   {   3, "connectData" },
 353   {   4, "statusData" },
 354   {   5, "statusInquiryData" },
 355   { 0, NULL }
 356 };
 357
 358 static const per_choice_t T_robustnessData_choice[] = {
 359   {   0, &hf_h323_rrqData        , ASN1_EXTENSION_ROOT    , dissect_h323_Rrq_RD },
 360   {   1, &hf_h323_rcfData        , ASN1_EXTENSION_ROOT    , dissect_h323_Rcf_RD },
 361   {   2, &hf_h323_setupData      , ASN1_EXTENSION_ROOT    , dissect_h323_Setup_RD },
 362   {   3, &hf_h323_connectData    , ASN1_EXTENSION_ROOT    , dissect_h323_Connect_RD },
 363   {   4, &hf_h323_statusData     , ASN1_EXTENSION_ROOT    , dissect_h323_Status_RD },
 364   {   5, &hf_h323_statusInquiryData, ASN1_EXTENSION_ROOT    , dissect_h323_StatusInquiry_RD },
 365   { 0, NULL, 0, NULL }
 366 };
 367
 368 static int
 369 dissect_h323_T_robustnessData(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 370   offset = dissect_per_choice(tvb, offset, actx, tree, hf_index,
 371                                  ett_h323_T_robustnessData, T_robustnessData_choice,
 372                                  NULL);
 373
 374   return offset;
 375 }
 376
 377
 378 static const per_sequence_t RobustnessData_sequence[] = {
 379   { &hf_h323_versionID      , ASN1_EXTENSION_ROOT    , ASN1_NOT_OPTIONAL, dissect_h323_INTEGER_1_256 },
 380   { &hf_h323_robustnessData , ASN1_EXTENSION_ROOT    , ASN1_NOT_OPTIONAL, dissect_h323_T_robustnessData },
 381   { NULL, 0, 0, NULL }
 382 };
 383
 384 static int
 385 dissect_h323_RobustnessData(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 386   offset = dissect_per_sequence(tvb, offset, actx, tree, hf_index,
 387                                    ett_h323_RobustnessData, RobustnessData_sequence);
 388
 389   return offset;
 390 }
 391
 392 /*--- PDUs ---*/
 393
 394 static int dissect_RasTunnelledSignallingMessage_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_) {
 395   int offset = 0;
 396   asn1_ctx_t asn1_ctx;
 397   asn1_ctx_init(&asn1_ctx, ASN1_ENC_PER, true, pinfo);
 398   offset = dissect_h323_RasTunnelledSignallingMessage(tvb, offset, &asn1_ctx, tree, hf_h323_RasTunnelledSignallingMessage_PDU);
 399   offset += 7; offset >>= 3;
 400   return offset;
 401 }
 402 static int dissect_RobustnessData_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_) {
 403   int offset = 0;
 404   asn1_ctx_t asn1_ctx;
 405   asn1_ctx_init(&asn1_ctx, ASN1_ENC_PER, true, pinfo);
 406   offset = dissect_h323_RobustnessData(tvb, offset, &asn1_ctx, tree, hf_h323_RobustnessData_PDU);
 407   offset += 7; offset >>= 3;
 408   return offset;
 409 }
 410
 411
 412 /*--- proto_register_h323 ----------------------------------------------*/
 413 void proto_register_h323(void) {
 414
 415   /* List of fields */
 416   static hf_register_info hf[] = {
 417     { &hf_h323_RasTunnelledSignallingMessage_PDU,
 418       { "RasTunnelledSignallingMessage", "h323.RasTunnelledSignallingMessage_element",
 419         FT_NONE, BASE_NONE, NULL, 0,
 420         NULL, HFILL }},
 421     { &hf_h323_RobustnessData_PDU,
 422       { "RobustnessData", "h323.RobustnessData_element",
 423         FT_NONE, BASE_NONE, NULL, 0,
 424         NULL, HFILL }},
 425     { &hf_h323_tunnelledProtocolID,
 426       { "tunnelledProtocolID", "h323.tunnelledProtocolID_element",
 427         FT_NONE, BASE_NONE, NULL, 0,
 428         "TunnelledProtocol", HFILL }},
 429     { &hf_h323_messageContent,
 430       { "messageContent", "h323.messageContent",
 431         FT_UINT32, BASE_DEC, NULL, 0,
 432         NULL, HFILL }},
 433     { &hf_h323_messageContent_item,
 434       { "messageContent item", "h323.messageContent_item",
 435         FT_BYTES, BASE_NONE, NULL, 0,
 436         "OCTET_STRING", HFILL }},
 437     { &hf_h323_tunnellingRequired,
 438       { "tunnellingRequired", "h323.tunnellingRequired_element",
 439         FT_NONE, BASE_NONE, NULL, 0,
 440         NULL, HFILL }},
 441     { &hf_h323_nonStandardData,
 442       { "nonStandardData", "h323.nonStandardData_element",
 443         FT_NONE, BASE_NONE, NULL, 0,
 444         "NonStandardParameter", HFILL }},
 445     { &hf_h323_versionID,
 446       { "versionID", "h323.versionID",
 447         FT_UINT32, BASE_DEC, NULL, 0,
 448         "INTEGER_1_256", HFILL }},
 449     { &hf_h323_robustnessData,
 450       { "robustnessData", "h323.robustnessData",
 451         FT_UINT32, BASE_DEC, VALS(h323_T_robustnessData_vals), 0,
 452         NULL, HFILL }},
 453     { &hf_h323_rrqData,
 454       { "rrqData", "h323.rrqData_element",
 455         FT_NONE, BASE_NONE, NULL, 0,
 456         "Rrq_RD", HFILL }},
 457     { &hf_h323_rcfData,
 458       { "rcfData", "h323.rcfData_element",
 459         FT_NONE, BASE_NONE, NULL, 0,
 460         "Rcf_RD", HFILL }},
 461     { &hf_h323_setupData,
 462       { "setupData", "h323.setupData_element",
 463         FT_NONE, BASE_NONE, NULL, 0,
 464         "Setup_RD", HFILL }},
 465     { &hf_h323_connectData,
 466       { "connectData", "h323.connectData_element",
 467         FT_NONE, BASE_NONE, NULL, 0,
 468         "Connect_RD", HFILL }},
 469     { &hf_h323_statusData,
 470       { "statusData", "h323.statusData_element",
 471         FT_NONE, BASE_NONE, NULL, 0,
 472         "Status_RD", HFILL }},
 473     { &hf_h323_statusInquiryData,
 474       { "statusInquiryData", "h323.statusInquiryData_element",
 475         FT_NONE, BASE_NONE, NULL, 0,
 476         "StatusInquiry_RD", HFILL }},
 477     { &hf_h323_BackupCallSignalAddresses_item,
 478       { "BackupCallSignalAddresses item", "h323.BackupCallSignalAddresses_item",
 479         FT_UINT32, BASE_DEC, VALS(h323_BackupCallSignalAddresses_item_vals), 0,
 480         NULL, HFILL }},
 481     { &hf_h323_tcp,
 482       { "tcp", "h323.tcp",
 483         FT_UINT32, BASE_DEC, VALS(h225_TransportAddress_vals), 0,
 484         "TransportAddress", HFILL }},
 485     { &hf_h323_alternateTransport,
 486       { "alternateTransport", "h323.alternateTransport_element",
 487         FT_NONE, BASE_NONE, NULL, 0,
 488         "AlternateTransportAddresses", HFILL }},
 489     { &hf_h323_backupCallSignalAddresses,
 490       { "backupCallSignalAddresses", "h323.backupCallSignalAddresses",
 491         FT_UINT32, BASE_DEC, NULL, 0,
 492         NULL, HFILL }},
 493     { &hf_h323_hasSharedRepository,
 494       { "hasSharedRepository", "h323.hasSharedRepository_element",
 495         FT_NONE, BASE_NONE, NULL, 0,
 496         NULL, HFILL }},
 497     { &hf_h323_irrFrequency,
 498       { "irrFrequency", "h323.irrFrequency",
 499         FT_UINT32, BASE_DEC, NULL, 0,
 500         "INTEGER_1_65535", HFILL }},
 501     { &hf_h323_endpointGuid,
 502       { "endpointGuid", "h323.endpointGuid",
 503         FT_GUID, BASE_NONE, NULL, 0,
 504         "GloballyUniqueIdentifier", HFILL }},
 505     { &hf_h323_h245Address,
 506       { "h245Address", "h323.h245Address",
 507         FT_UINT32, BASE_DEC, VALS(h225_TransportAddress_vals), 0,
 508         "TransportAddress", HFILL }},
 509     { &hf_h323_fastStart,
 510       { "fastStart", "h323.fastStart",
 511         FT_UINT32, BASE_DEC, NULL, 0,
 512         NULL, HFILL }},
 513     { &hf_h323_fastStart_item,
 514       { "fastStart item", "h323.fastStart_item",
 515         FT_BYTES, BASE_NONE, NULL, 0,
 516         "OCTET_STRING", HFILL }},
 517     { &hf_h323_resetH245,
 518       { "resetH245", "h323.resetH245_element",
 519         FT_NONE, BASE_NONE, NULL, 0,
 520         NULL, HFILL }},
 521     { &hf_h323_timeToLive,
 522       { "timeToLive", "h323.timeToLive",
 523         FT_UINT32, BASE_DEC, NULL, 0,
 524         NULL, HFILL }},
 525     { &hf_h323_includeFastStart,
 526       { "includeFastStart", "h323.includeFastStart_element",
 527         FT_NONE, BASE_NONE, NULL, 0,
 528         NULL, HFILL }},
 529   };
 530
 531   /* List of subtrees */
 532   static int *ett[] = {
 533     &ett_h323_RasTunnelledSignallingMessage,
 534     &ett_h323_T_messageContent,
 535     &ett_h323_RobustnessData,
 536     &ett_h323_T_robustnessData,
 537     &ett_h323_BackupCallSignalAddresses,
 538     &ett_h323_BackupCallSignalAddresses_item,
 539     &ett_h323_Rrq_RD,
 540     &ett_h323_Rcf_RD,
 541     &ett_h323_Setup_RD,
 542     &ett_h323_Connect_RD,
 543     &ett_h323_Status_RD,
 544     &ett_h323_T_fastStart,
 545     &ett_h323_StatusInquiry_RD,
 546   };
 547
 548   /* Register protocol */
 549   proto_h323 = proto_register_protocol(PNAME, PSNAME, PFNAME);
 550
 551   /* Register fields and subtrees */
 552   proto_register_field_array(proto_h323, hf, array_length(hf));
 553   proto_register_subtree_array(ett, array_length(ett));
 554
 555 }
 556
 557
 558 /*--- proto_reg_handoff_h323 -------------------------------------------*/
 559 void proto_reg_handoff_h323(void)
 560 {
 561   dissector_handle_t q931_handle;
 562
 563   q931_handle = find_dissector("q931");
 564
 565   /* H.323, Annex M1, Tunnelling of signalling protocols (QSIG) in H.323 */
 566   dissector_add_string("h225.tp", "1.3.12.9", q931_handle);
 567
 568   /* H.323, Annex M4, Tunnelling of narrow-band signalling syntax (NSS) for H.323 */
 569   dissector_add_string("h225.gef.content", "GenericData/1000/1",
 570                        create_dissector_handle(dissect_RasTunnelledSignallingMessage_PDU, proto_h323));
 571
 572   /* H.323, Annex R, Robustness methods for H.323 entities */
 573   dissector_add_string("h225.gef.content", "GenericData/1/1",
 574                        create_dissector_handle(dissect_RobustnessData_PDU, proto_h323));
 575 }
 576