packet-wtls.c

   1 /* packet-wtls.c
   2  *
   3  * Routines to dissect WTLS component of WAP traffic.
   4  *
   5  * $Id: packet-wtls.c,v 1.9 2001/06/18 02:17:54 guy Exp $
   6  *
   7  * Ethereal - Network traffic analyzer
   8  * By Gerald Combs <gerald@zing.org>
   9  * Copyright 1998 Didier Jorand
  10  *
  11  * WAP dissector based on original work by Ben Fowler
  12  * Updated by Neil Hunter <neil.hunter@energis-squared.com>
  13  * WTLS support by Alexandre P. Ferreira (Splice IP)
  14  *
  15  * This program is free software; you can redistribute it and/or
  16  * modify it under the terms of the GNU General Public License
  17  * as published by the Free Software Foundation; either version 2
  18  * of the License, or (at your option) any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, write to the Free Software
  27  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  28  */
  29
  30 #ifdef HAVE_CONFIG_H
  31 # include "config.h"
  32 #endif
  33
  34 #include <stdio.h>
  35 #include <stdlib.h>
  36
  37 #ifdef HAVE_SYS_TYPES_H
  38 # include <sys/types.h>
  39 #endif
  40
  41 #ifdef HAVE_NETINET_IN_H
  42 # include <netinet/in.h>
  43 #endif
  44
  45 #ifdef NEED_SNPRINTF_H
  46 # ifdef HAVE_STDARG_H
  47 #  include <stdarg.h>
  48 # else
  49 #  include <varargs.h>
  50 # endif
  51 # include "snprintf.h"
  52 #endif
  53
  54 #include <string.h>
  55 #include <glib.h>
  56 #include "packet.h"
  57 #include "packet-wap.h"
  58 #include "packet-wtls.h"
  59
  60 /* File scoped variables for the protocol and registered fields */
  61 static int proto_wtls                                                   = HF_EMPTY;
  62
  63 /* These fields used by fixed part of header */
  64 static int hf_wtls_record                             = HF_EMPTY;
  65 static int hf_wtls_record_type                                = HF_EMPTY;
  66 static int hf_wtls_record_length                      = HF_EMPTY;
  67 static int hf_wtls_record_sequence                    = HF_EMPTY;
  68 static int hf_wtls_record_ciphered                    = HF_EMPTY;
  69 static int hf_wtls_hands                              = HF_EMPTY;
  70 static int hf_wtls_hands_type                 = HF_EMPTY;
  71 static int hf_wtls_hands_length                       = HF_EMPTY;
  72 static int hf_wtls_hands_cli_hello            = HF_EMPTY;
  73 static int hf_wtls_hands_cli_hello_version    = HF_EMPTY;
  74 static int hf_wtls_hands_cli_hello_gmt                = HF_EMPTY;
  75 static int hf_wtls_hands_cli_hello_random     = HF_EMPTY;
  76 static int hf_wtls_hands_cli_hello_session    = HF_EMPTY;
  77 static int hf_wtls_hands_cli_hello_session_str    = HF_EMPTY;
  78 static int hf_wtls_hands_cli_hello_cli_key_id    = HF_EMPTY;
  79 static int hf_wtls_hands_cli_hello_cli_key_len    = HF_EMPTY;
  80 static int hf_wtls_hands_cli_hello_trust_key_id    = HF_EMPTY;
  81 static int hf_wtls_hands_cli_hello_key_exchange               =HF_EMPTY;
  82 static int hf_wtls_hands_cli_hello_key_exchange_suite         =HF_EMPTY;
  83 static int hf_wtls_hands_cli_hello_key_parameter_index                =HF_EMPTY;
  84 static int hf_wtls_hands_cli_hello_key_parameter_set          =HF_EMPTY;
  85 static int hf_wtls_hands_cli_hello_key_identifier_type                =HF_EMPTY;
  86 static int hf_wtls_hands_cli_hello_key_identifier_charset             =HF_EMPTY;
  87 static int hf_wtls_hands_cli_hello_key_identifier_size                =HF_EMPTY;
  88 static int hf_wtls_hands_cli_hello_key_identifier                     =HF_EMPTY;
  89 static int hf_wtls_hands_cli_hello_key_identifier_str                 =HF_EMPTY;
  90 static int hf_wtls_hands_cli_hello_cipher_suite               =HF_EMPTY;
  91 static int hf_wtls_hands_cli_hello_cipher_suite_item  =HF_EMPTY;
  92 static int hf_wtls_hands_cli_hello_compression_methods                =HF_EMPTY;
  93 static int hf_wtls_hands_cli_hello_compression                =HF_EMPTY;
  94 static int hf_wtls_hands_cli_hello_sequence_mode      =HF_EMPTY;
  95 static int hf_wtls_hands_cli_hello_key_refresh        =HF_EMPTY;
  96 static int hf_wtls_hands_serv_hello           = HF_EMPTY;
  97 static int hf_wtls_hands_serv_hello_version   = HF_EMPTY;
  98 static int hf_wtls_hands_serv_hello_gmt               = HF_EMPTY;
  99 static int hf_wtls_hands_serv_hello_random    = HF_EMPTY;
 100 static int hf_wtls_hands_serv_hello_session   = HF_EMPTY;
 101 static int hf_wtls_hands_serv_hello_session_str   = HF_EMPTY;
 102 static int hf_wtls_hands_serv_hello_cli_key_id                =HF_EMPTY;
 103 static int hf_wtls_hands_serv_hello_cipher_suite_item =HF_EMPTY;
 104 static int hf_wtls_hands_serv_hello_cipher_bulk               =HF_EMPTY;
 105 static int hf_wtls_hands_serv_hello_cipher_mac                =HF_EMPTY;
 106 static int hf_wtls_hands_serv_hello_compression               =HF_EMPTY;
 107 static int hf_wtls_hands_serv_hello_sequence_mode     =HF_EMPTY;
 108 static int hf_wtls_hands_serv_hello_key_refresh       =HF_EMPTY;
 109 static int hf_wtls_hands_certificates =HF_EMPTY;
 110 static int hf_wtls_hands_certificate    =HF_EMPTY;
 111 static int hf_wtls_hands_certificate_type     =HF_EMPTY;
 112 static int hf_wtls_hands_certificate_wtls_version     =HF_EMPTY;
 113 static int hf_wtls_hands_certificate_wtls_signature_type      =HF_EMPTY;
 114 static int hf_wtls_hands_certificate_wtls_issuer_type =HF_EMPTY;
 115 static int hf_wtls_hands_certificate_wtls_issuer_charset      =HF_EMPTY;
 116 static int hf_wtls_hands_certificate_wtls_issuer_name =HF_EMPTY;
 117 static int hf_wtls_hands_certificate_wtls_valid_not_before    =HF_EMPTY;
 118 static int hf_wtls_hands_certificate_wtls_valid_not_after     =HF_EMPTY;
 119 static int hf_wtls_hands_certificate_wtls_subject_type        =HF_EMPTY;
 120 static int hf_wtls_hands_certificate_wtls_subject_charset     =HF_EMPTY;
 121 static int hf_wtls_hands_certificate_wtls_subject_name        = HF_EMPTY;
 122 static int hf_wtls_hands_certificate_wtls_public_key_type = HF_EMPTY;
 123 static int hf_wtls_hands_certificate_wtls_key_parameter_index = HF_EMPTY;
 124 static int hf_wtls_hands_certificate_wtls_key_parameter_set = HF_EMPTY;
 125 static int hf_wtls_hands_certificate_wtls_rsa_exponent = HF_EMPTY;
 126 static int hf_wtls_hands_certificate_wtls_rsa_modules = HF_EMPTY;
 127 static int hf_wtls_hands_certificate_wtls_signature = HF_EMPTY;
 128 static int hf_wtls_alert = HF_EMPTY;
 129 static int hf_wtls_alert_level = HF_EMPTY;
 130 static int hf_wtls_alert_description = HF_EMPTY;
 131
 132 /* Initialize the subtree pointers */
 133 static gint ett_wtls                                                    = ETT_EMPTY;
 134 static gint ett_wtls_rec                              = ETT_EMPTY;
 135 static gint ett_wtls_msg_type                                 = ETT_EMPTY;
 136 static gint ett_wtls_msg_type_item                    = ETT_EMPTY;
 137 static gint ett_wtls_msg_type_item_sub                        = ETT_EMPTY;
 138 static gint ett_wtls_msg_type_item_sub_sub            = ETT_EMPTY;
 139
 140 /* Handles for WTP and WSP dissectors */
 141 static dissector_handle_t wtp_handle;
 142 static dissector_handle_t wsp_handle;
 143
 144 static const value_string wtls_vals_record_type[] = {
 145         { 0x01, "change_cipher_data" },
 146         { 0x02, "alert" },
 147         { 0x03, "handshake" },
 148         { 0x04, "application_data" },
 149         { 0x00, NULL }
 150 };
 151
 152 static const value_string wtls_vals_cipher_bulk[] = {
 153         { 0x00, "Null" },
 154         { 0x01, "RC5 CBC 40" },
 155         { 0x02, "RC5 CBC 56" },
 156         { 0x03, "RC5 CBC" },
 157         { 0x04, "DES CBC 40" },
 158         { 0x05, "DES CBC" },
 159         { 0x06, "3DES CBC cwEDE40" },
 160         { 0x07, "IDEA CBC 40" },
 161         { 0x08, "IDEA CBC 56" },
 162         { 0x09, "IDEA CBC" },
 163         { 0x00, NULL }
 164 };
 165
 166 static const value_string wtls_vals_cipher_mac[] = {
 167         { 0x00, "SHA 0" },
 168         { 0x01, "SHA 40 " },
 169         { 0x02, "SHA 80" },
 170         { 0x03, "SHA" },
 171         { 0x04, "SHA XOR 40" },
 172         { 0x05, "MD5 40" },
 173         { 0x06, "MD5 80" },
 174         { 0x07, "MD5" },
 175         { 0x00, NULL }
 176 };
 177
 178 static const value_string wtls_vals_handshake_type[] = {
 179         { 0, "Hello Request" },
 180         { 1, "Client Hello" },
 181         { 2, "Server Hello" },
 182         { 11, "Certificate" },
 183         { 12, "Server Key Exchange" },
 184         { 13, "Certificate Request" },
 185         { 14, "Server Hello Done" },
 186         { 15, "Certificate Verify" },
 187         { 16, "Client Key Exchange" },
 188         { 20, "Finished" },
 189         { 0x00, NULL }
 190 };
 191
 192 static const value_string wtls_vals_key_exchange_suite[] = {
 193         { 0, "NULL" },
 194         { 1, "Shared Secret" },
 195         { 2, "Diffie Hellman Anonymous" },
 196         { 3, "Diffie Hellman Anonymous 512" },
 197         { 4, "Diffie Hellman Anonymous 768" },
 198         { 5, "RSA Anonymous" },
 199         { 6, "RSA Anonymous 512" },
 200         { 7, "RSA Anonymous 768" },
 201         { 8, "RSA" },
 202         { 9, "RSA 512" },
 203         { 10, "RSA 768" },
 204         { 11, "EC Diffie Hellman Anonymous" },
 205         { 12, "EC Diffie Hellman Anonymous 113" },
 206         { 13, "EC Diffie Hellman Anonymous 131" },
 207         { 14, "EC Diffie Hellman ECDSA" },
 208         { 15, "EC Diffie Hellman Anonymous Uncomp" },
 209         { 16, "EC Diffie Hellman Anonymous Uncomp 113" },
 210         { 17, "EC Diffie Hellman Anonymous Uncomp 131" },
 211         { 18, "EC Diffie Hellman ECDSA Uncomp" },
 212         { 0x00, NULL }
 213 };
 214
 215 static const value_string wtls_vals_identifier_type[] = {
 216         { 0, "No identifier" },
 217         { 1, "Textual Name" },
 218         { 2, "Binary Name" },
 219         { 254, "SHA-1 Hash of Public Key" },
 220         { 255, "x509 Distinguished Name" },
 221         { 0x00, NULL }
 222 };
 223
 224 static const value_string wtls_vals_certificate_type[] = {
 225         { 1, "WTLS" },
 226         { 2, "X509" },
 227         { 3, "X968" },
 228         { 4, "Url" },
 229         { 0x00, NULL }
 230 };
 231
 232 static const value_string wtls_vals_compression[] = {
 233         { 0, "Null" },
 234         { 0x00, NULL }
 235 };
 236
 237 static const value_string wtls_vals_sequence_mode[] = {
 238         { 0, "Off" },
 239         { 1, "Implicit" },
 240         { 2, "Explicit" },
 241         { 0x00, NULL }
 242 };
 243
 244 static const value_string wtls_vals_certificate_signature[] = {
 245         { 0, "Anonymous" },
 246         { 1, "ECDSA_SHA" },
 247         { 2, "RSA_SHA" },
 248         { 0x00, NULL }
 249 };
 250
 251 static const value_string wtls_vals_public_key_type[] = {
 252         { 2, "RSA" },
 253         { 3, "ECDH" },
 254         { 4, "ECSA" },
 255         { 0x00, NULL }
 256 };
 257
 258 static const value_string wtls_vals_alert_level[] = {
 259         { 1, "Warning" },
 260         { 2, "Critical" },
 261         { 3, "Fatal" },
 262         { 0x00, NULL }
 263 };
 264
 265 static const value_string wtls_vals_alert_description[] = {
 266         { 0,"connection_close_notify"},
 267         { 1,"session_close_notify"},
 268         { 5,"no_connection"},
 269         { 10,"unexpected_message"},
 270         { 11,"time_required"},
 271         { 20,"bad_record_mac"},
 272         { 21,"decryption_failed"},
 273         { 22,"record_overflow"},
 274         { 30,"decompression_failure"},
 275         { 40,"handshake_failure"},
 276         { 42,"bad_certificate"},
 277         { 43,"unsupported_certificate"},
 278         { 44,"certificate_revoked"},
 279         { 45,"certificate_expired"},
 280         { 46,"certificate_unknown"},
 281         { 47,"illegal_parameter"},
 282         { 48,"unknown_ca"},
 283         { 49,"access_denied"},
 284         { 50,"decode_error"},
 285         { 51,"decrypt_error"},
 286         { 52,"unknown_key_id"},
 287         { 53,"disabled_key_id"},
 288         { 54,"key_exchange_disabled"},
 289         { 55,"session_not_ready"},
 290         { 56,"unknown_parameter_index"},
 291         { 57,"duplicate_finished_received"},
 292         { 60,"export_restriction"},
 293         { 70,"protocol_version"},
 294         { 71,"insufficient_security"},
 295         { 80,"internal_error"},
 296         { 90,"user_canceled"},
 297         { 100,"no_renegotiation"},
 298         { 0x00, NULL }
 299 };
 300
 301 #define WTLS_RECORD_TYPE_LENGTH         0x80
 302 #define WTLS_RECORD_TYPE_SEQUENCE       0x40
 303 #define WTLS_RECORD_TYPE_CIPHER_CUR     0x20
 304 #define WTLS_RECORD_CONTENT_TYPE        0x0f
 305
 306 #define WTLS_ALERT                      0x02
 307 #define WTLS_PLAIN_HANDSHAKE            0x03
 308
 309 #define WTLS_HANDSHAKE_CLIENT_HELLO     1
 310 #define WTLS_HANDSHAKE_SERVER_HELLO     2
 311 #define WTLS_HANDSHAKE_CERTIFICATE      11
 312
 313 #define CERTIFICATE_WTLS                1
 314 #define CERTIFICATE_X509                2
 315 #define CERTIFICATE_X968                3
 316 #define CERTIFICATE_URL                 4
 317
 318 #define IDENTIFIER_NULL                 0
 319 #define IDENTIFIER_TEXT                 1
 320 #define IDENTIFIER_BIN                  2
 321 #define IDENTIFIER_SHA_1                254
 322 #define IDENTIFIER_X509                 255
 323
 324 #define PUBLIC_KEY_RSA                  2
 325 #define PUBLIC_KEY_ECDH                 3
 326 #define PUBLIC_KEY_ECDSA                4
 327
 328 static void dissect_wtls_handshake (proto_tree *, tvbuff_t *, guint, guint);
 329
 330 /* Code to actually dissect the packets */
 331 static void
 332 dissect_wtls(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
 333 {
 334         frame_data *fdata = pinfo->fd;
 335         int offset = 0;
 336
 337         char pdut;
 338         char pdu_msg_type;
 339         guint count = 0;
 340         guint offset_wtls = 0;
 341
 342 /* Set up structures we will need to add the protocol subtree and manage it */
 343         proto_item *ti;
 344         proto_tree *wtls_tree;
 345         proto_tree *wtls_rec_tree;
 346         proto_tree *wtls_msg_type_tree;
 347
 348         if (check_col(fdata, COL_PROTOCOL))
 349         {
 350                 switch ( pinfo->match_port )
 351                 {
 352                         case UDP_PORT_WTLS_WSP:
 353                                 col_set_str(fdata, COL_PROTOCOL, "WTLS+WSP" );
 354                                 break;
 355                         case UDP_PORT_WTLS_WTP_WSP:
 356                                 col_set_str(fdata, COL_PROTOCOL, "WTLS+WTP+WSP" );
 357                                 break;
 358                 }
 359         }
 360
 361         /* Develop the string to put in the Info column */
 362         if (check_col(fdata, COL_INFO)) {
 363                 col_set_str(fdata, COL_INFO, "WTLS" );
 364         };
 365
 366         /* In the interest of speed, if "tree" is NULL, don't do any work not
 367         necessary to generate protocol tree items. */
 368
 369         if (tree) {
 370                 ti = proto_tree_add_item(tree, proto_wtls, tvb, offset_wtls,
 371                                  tvb_length(tvb), bo_little_endian);
 372                 wtls_tree = proto_item_add_subtree(ti, ett_wtls);
 373
 374                 for (offset_wtls=0; offset_wtls < (tvb_length(tvb)-1);) {
 375                         pdut = tvb_get_guint8 (tvb, offset_wtls);
 376
 377                         offset = offset_wtls+1;
 378
 379                         if (pdut & WTLS_RECORD_TYPE_SEQUENCE) {
 380                                 offset+=2;
 381                         }
 382                         if (pdut & WTLS_RECORD_TYPE_LENGTH) {
 383                                 count = tvb_get_ntohs(tvb, offset);
 384                                 offset+=2;
 385                                 count += offset-offset_wtls;
 386                         }
 387                         else {
 388                                 count = tvb_length (tvb)-offset_wtls;
 389                         }
 390                         ti = proto_tree_add_uint(wtls_tree, hf_wtls_record, tvb, offset_wtls,
 391                                  count, pdut);
 392                         wtls_rec_tree = proto_item_add_subtree(ti, ett_wtls_rec);
 393
 394                         offset = offset_wtls;
 395
 396                         ti = proto_tree_add_item (wtls_rec_tree, hf_wtls_record_type,
 397                                         tvb,offset,1,bo_big_endian);
 398
 399                         offset++;
 400
 401                         offset_wtls += count;
 402
 403                         if (pdut & WTLS_RECORD_TYPE_SEQUENCE) {
 404                                 ti = proto_tree_add_item (wtls_rec_tree, hf_wtls_record_sequence,
 405                                                 tvb,offset,2,bo_big_endian);
 406                                 offset+=2;
 407                         }
 408                         if (pdut & WTLS_RECORD_TYPE_LENGTH) {
 409                                 count = tvb_get_ntohs(tvb, offset);
 410                                 ti = proto_tree_add_item (wtls_rec_tree, hf_wtls_record_length,
 411                                                 tvb,offset,2,bo_big_endian);
 412                                 offset+=2;
 413                         }
 414                         else {
 415                                 count = tvb_length (tvb)-offset;
 416                         }
 417
 418                         if (pdut & WTLS_RECORD_TYPE_CIPHER_CUR) {
 419                                 ti = proto_tree_add_item (wtls_rec_tree, hf_wtls_record_ciphered,
 420                                                 tvb,offset,count,bo_big_endian);
 421                                 continue;
 422                         }
 423
 424                         switch (pdut & WTLS_RECORD_CONTENT_TYPE) {
 425                                 case WTLS_PLAIN_HANDSHAKE :
 426                                         dissect_wtls_handshake(wtls_rec_tree,tvb,offset,count);
 427                                         break;
 428                                 case WTLS_ALERT :
 429                                         ti = proto_tree_add_item(wtls_rec_tree, hf_wtls_alert, tvb, offset,
 430                                                          count, bo_little_endian);
 431                                         wtls_msg_type_tree = proto_item_add_subtree(ti, ett_wtls_msg_type);
 432                                         pdu_msg_type = tvb_get_guint8 (tvb, offset);
 433                                         ti = proto_tree_add_item (wtls_msg_type_tree, hf_wtls_alert_level,
 434                                                         tvb,offset,1,bo_big_endian);
 435                                         offset+=1;
 436                                         count = tvb_get_ntohs (tvb, offset);
 437                                         ti = proto_tree_add_item (wtls_msg_type_tree, hf_wtls_alert_description,
 438                                                         tvb,offset,1,bo_big_endian);
 439                                         offset+=1;
 440                                 default:
 441                                         offset+=count;
 442                                         break;
 443                         }
 444                 }
 445         }
 446 }
 447
 448 static void
 449 dissect_wtls_handshake(proto_tree *tree, tvbuff_t *tvb, guint offset, guint count)
 450 {
 451         char pdu_msg_type;
 452         struct timeval timeValue;
 453         int client_size = 0;
 454         guint value = 0;
 455         int size = 0;
 456         guint public_key = 0;
 457         guint signature = 0;
 458         char valStr[1024];
 459         char *valBulk = NULL;
 460         char *valMac = NULL;
 461
 462         proto_item *ti;
 463         proto_item *cli_key_item;
 464         proto_tree *wtls_msg_type_tree;
 465         proto_tree *wtls_msg_type_item_tree;
 466         proto_tree *wtls_msg_type_item_sub_tree;
 467         proto_tree *wtls_msg_type_item_sub_sub_tree;
 468
 469         pdu_msg_type = tvb_get_guint8 (tvb, offset);
 470         ti = proto_tree_add_uint(tree, hf_wtls_hands, tvb, offset,count, pdu_msg_type);
 471         wtls_msg_type_tree = proto_item_add_subtree(ti, ett_wtls_msg_type);
 472
 473         ti = proto_tree_add_item (wtls_msg_type_tree, hf_wtls_hands_type,
 474                         tvb,offset,1,bo_big_endian);
 475         offset+=1;
 476         count = tvb_get_ntohs (tvb, offset);
 477         ti = proto_tree_add_item (wtls_msg_type_tree, hf_wtls_hands_length,
 478                         tvb,offset,2,bo_big_endian);
 479         offset+=2;
 480         switch(pdu_msg_type) {
 481                 case WTLS_HANDSHAKE_CLIENT_HELLO :
 482                         ti = proto_tree_add_item(wtls_msg_type_tree, hf_wtls_hands_cli_hello, tvb, offset,
 483                                          count, bo_little_endian);
 484                         wtls_msg_type_item_tree = proto_item_add_subtree(ti, ett_wtls_msg_type_item);
 485                         ti = proto_tree_add_item (wtls_msg_type_item_tree, hf_wtls_hands_cli_hello_version,
 486                                         tvb,offset,1,bo_big_endian);
 487                         offset++;
 488                         timeValue.tv_sec = tvb_get_ntohl (tvb, offset);
 489                         timeValue.tv_usec = 0;
 490                         ti = proto_tree_add_time (wtls_msg_type_item_tree, hf_wtls_hands_cli_hello_gmt, tvb,
 491                                         offset, 4, &timeValue);
 492                         offset+=4;
 493                         ti = proto_tree_add_item (wtls_msg_type_item_tree, hf_wtls_hands_cli_hello_random,
 494                                         tvb,offset,12,bo_big_endian);
 495                         offset+=12;
 496                         count = tvb_get_guint8(tvb, offset);
 497                         switch(count) {
 498                                 case 0:
 499                                         ti = proto_tree_add_string (wtls_msg_type_item_tree, hf_wtls_hands_cli_hello_session_str,
 500                                                                         tvb,offset,count+1,"NULL");
 501                                         break;
 502                                 case 1 :
 503                                         ti = proto_tree_add_uint (wtls_msg_type_item_tree, hf_wtls_hands_cli_hello_session,
 504                                                                         tvb,offset,count+1,tvb_get_guint8(tvb,offset+1));
 505                                         break;
 506                                 case 2 :
 507                                         ti = proto_tree_add_uint (wtls_msg_type_item_tree, hf_wtls_hands_cli_hello_session,
 508                                                                         tvb,offset,count+1,tvb_get_ntohs(tvb,offset+1));
 509                                         break;
 510                                 case 3 :
 511                                         ti = proto_tree_add_uint (wtls_msg_type_item_tree, hf_wtls_hands_cli_hello_session,
 512                                                                         tvb,offset,count+1,tvb_get_ntoh24(tvb,offset+1));
 513                                         break;
 514                                 case 4 :
 515                                         ti = proto_tree_add_uint (wtls_msg_type_item_tree, hf_wtls_hands_cli_hello_session,
 516                                                                         tvb,offset,count+1,tvb_get_ntohl(tvb,offset+1));
 517                                         break;
 518                                 default:
 519                                         ti = proto_tree_add_string (wtls_msg_type_item_tree, hf_wtls_hands_cli_hello_session_str,
 520                                                                         tvb,offset,count+1,"Too big");
 521                                         break;
 522                         }
 523                         offset+=1+count;
 524
 525                         /* process client_key_ids structure */
 526                         count = tvb_get_ntohs (tvb, offset);
 527                         ti = proto_tree_add_item(wtls_msg_type_item_tree,
 528                                         hf_wtls_hands_cli_hello_cli_key_id, tvb, offset,
 529                                          count+2, bo_little_endian);
 530                         wtls_msg_type_item_sub_tree = proto_item_add_subtree(ti, ett_wtls_msg_type_item_sub);
 531
 532                         /* display length of client_key_ids structure */
 533                         ti = proto_tree_add_item(wtls_msg_type_item_sub_tree,
 534                                         hf_wtls_hands_cli_hello_cli_key_len,
 535                                         tvb,offset,2,bo_big_endian);
 536                         offset+=2;
 537
 538                         /* cycle through client_key_ids entries */
 539                         for (;count > 0;count-=client_size) {
 540                                 /* get encryption suite id (one byte) */
 541                                 value = tvb_get_guint8 (tvb, offset);
 542                                 cli_key_item = proto_tree_add_uint(wtls_msg_type_item_sub_tree,
 543                                                 hf_wtls_hands_cli_hello_key_exchange, tvb, offset,1,
 544                                                 value);
 545                                 client_size=1;
 546                                 wtls_msg_type_item_sub_sub_tree = proto_item_add_subtree(cli_key_item,
 547                                                                   ett_wtls_msg_type_item_sub_sub);
 548                                 ti = proto_tree_add_uint(wtls_msg_type_item_sub_sub_tree,
 549                                                 hf_wtls_hands_cli_hello_key_exchange_suite,
 550                                                 tvb,offset,1,value);
 551                                 offset++;
 552 #ifdef DEBUG
 553                                 fprintf(stderr, "encryption suite = %d, client_size = %d\n", value, client_size);
 554 #endif /* DEBUG */
 555
 556                                 /* get parameter index (one byte) */
 557                                 value = tvb_get_guint8 (tvb, offset);
 558                                 ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
 559                                         hf_wtls_hands_cli_hello_key_parameter_index,
 560                                         tvb,offset,1,bo_big_endian);
 561                                 offset++;
 562                                 client_size++;
 563 #ifdef DEBUG
 564                                 fprintf(stderr, "parameter index = %d, client_size = %d\n", value, client_size);
 565 #endif /* DEBUG */
 566
 567                                 /* explicit parameters present in next field */
 568                                 if (value == 0xff) {
 569                                         size = tvb_get_ntohs (tvb, offset);
 570                                         ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
 571                                                 hf_wtls_hands_cli_hello_key_parameter_set,
 572                                                 tvb,offset,size+2,bo_big_endian);
 573                                         offset+=size+2;
 574                                         client_size+=size+2;
 575                                 }
 576
 577                                 /* get identifier type */
 578                                 value = tvb_get_guint8 (tvb, offset);
 579                                 ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
 580                                                 hf_wtls_hands_cli_hello_key_identifier_type,
 581                                                 tvb,offset,1,bo_big_endian);
 582                                 offset++;
 583                                 client_size++;
 584 #ifdef DEBUG
 585                                 fprintf(stderr, "identifier type = %d, client_size = %d\n", value, client_size);
 586 #endif /* DEBUG */
 587
 588                                 /* identifier present in next field */
 589                                 /* note: value 0x0 means no identifier */
 590                                 switch(value) {
 591                                         case 0x01 :     /* text identifier */
 592                                                 /* not teste */
 593                                                 ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
 594                                                                 hf_wtls_hands_cli_hello_key_identifier_charset,
 595                                                                 tvb,offset,2,bo_big_endian);
 596                                                 offset+=2;
 597                                                 size = tvb_get_guint8 (tvb, offset);
 598                                                 ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
 599                                                                 hf_wtls_hands_cli_hello_key_identifier_size,
 600                                                                 tvb,offset,1,bo_big_endian);
 601                                                 offset++;
 602                                                 strncpy(valStr,tvb_get_ptr (tvb, offset, size),size);
 603                                                 valStr[size]=0;
 604                                                 ti = proto_tree_add_string(
 605                                                                 wtls_msg_type_item_sub_sub_tree,
 606                                                                 hf_wtls_hands_cli_hello_key_identifier_str,
 607                                                                 tvb, offset,size,valStr);
 608                                                 offset+=size;
 609                                                 client_size+=size+3;
 610 #ifdef DEBUG
 611                                                 fprintf(stderr, "text id size = %d, client_size = %d\n",
 612                                                         size, client_size);
 613 #endif /* DEBUG */
 614                                                 break;
 615                                         case 0x02 :     /* binary identifier */
 616                                                 size = tvb_get_guint8 (tvb, offset);
 617                                                 ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
 618                                                                 hf_wtls_hands_cli_hello_key_identifier_size,
 619                                                                 tvb,offset,1,bo_big_endian);
 620                                                 offset++;
 621                                                 ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
 622                                                                 hf_wtls_hands_cli_hello_key_identifier,
 623                                                                 tvb,offset,size,bo_big_endian);
 624                                                 offset+=size;
 625                                                 client_size+=size+1;
 626 #ifdef DEBUG
 627                                                 fprintf(stderr, "binary id size = %d, client_size = %d\n",
 628                                                         size, client_size);
 629 #endif /* DEBUG */
 630                                                 break;
 631                                         case 0xfe : /* SHA-1 hash of the public key */
 632                                                 ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
 633                                                                 hf_wtls_hands_cli_hello_key_identifier,
 634                                                                 tvb,offset,20,bo_big_endian);
 635                                                 offset+=20;
 636                                                 client_size+=20;
 637 #ifdef DEBUG
 638                                                 fprintf(stderr, "SHA-1 hash size = 20, client_size = %d\n",
 639                                                         client_size);
 640 #endif /* DEBUG */
 641                                                 break;
 642                                         case 0xff : /* X.509 distinguished name */
 643                                                 /* not tested */
 644                                                 size = tvb_get_guint8 (tvb, offset);
 645                                                 ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
 646                                                                 hf_wtls_hands_cli_hello_key_identifier_size,
 647                                                                 tvb,offset,1,bo_big_endian);
 648                                                 offset++;
 649                                                 ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
 650                                                                 hf_wtls_hands_cli_hello_key_identifier,
 651                                                                 tvb,offset,size,bo_big_endian);
 652                                                 offset+=size;
 653                                                 client_size+=size+1;
 654 #ifdef DEBUG
 655                                                 fprintf(stderr, "X.509 name size = %d, client_size = %d\n",
 656                                                         size, client_size);
 657 #endif /* DEBUG */
 658                                                 break;
 659                                 }
 660
 661                                 proto_item_set_len(cli_key_item, client_size);
 662                         }
 663
 664                         /* process trusted_keys structure */
 665                         count = tvb_get_ntohs (tvb, offset);
 666                         ti = proto_tree_add_item(wtls_msg_type_item_tree,
 667                                         hf_wtls_hands_cli_hello_trust_key_id, tvb, offset,
 668                                          count+2, bo_little_endian);
 669                         wtls_msg_type_item_sub_tree = proto_item_add_subtree(ti, ett_wtls_msg_type_item_sub);
 670
 671                         /* display length of trusted_keys structure */
 672                         ti = proto_tree_add_item(wtls_msg_type_item_sub_tree,
 673                                         hf_wtls_hands_cli_hello_cli_key_len,
 674                                         tvb,offset,2,bo_big_endian);
 675
 676                         offset+=2;
 677                         for (;count > 0;count-=client_size) {
 678                                 /* get encryption suite id (one byte) */
 679                                 value = tvb_get_guint8 (tvb, offset);
 680                                 cli_key_item = proto_tree_add_uint(wtls_msg_type_item_sub_tree,
 681                                                 hf_wtls_hands_cli_hello_key_exchange, tvb, offset,1,
 682                                                 value);
 683                                 client_size=1;
 684                                 wtls_msg_type_item_sub_sub_tree = proto_item_add_subtree(cli_key_item,
 685                                                                   ett_wtls_msg_type_item_sub_sub);
 686                                 ti = proto_tree_add_uint(wtls_msg_type_item_sub_sub_tree,
 687                                                 hf_wtls_hands_cli_hello_key_exchange_suite,
 688                                                 tvb,offset,1,value);
 689                                 offset++;
 690 #ifdef DEBUG
 691                                 fprintf(stderr, "encryption suite = %d, client_size = %d\n", value, client_size);
 692 #endif /* DEBUG */
 693
 694                                 /* get parameter index (one byte) */
 695                                 value = tvb_get_guint8 (tvb, offset);
 696                                 ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
 697                                         hf_wtls_hands_cli_hello_key_parameter_index,
 698                                         tvb,offset,1,bo_big_endian);
 699                                 offset++;
 700                                 client_size++;
 701 #ifdef DEBUG
 702                                 fprintf(stderr, "parameter index = %d, client_size = %d\n", value, client_size);
 703 #endif /* DEBUG */
 704
 705                                 /* explicit parameters present in next field */
 706                                 if (value == 0xff) {
 707                                         size = tvb_get_ntohs (tvb, offset);
 708                                         ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
 709                                                 hf_wtls_hands_cli_hello_key_parameter_set,
 710                                                 tvb,offset,size+2,bo_big_endian);
 711                                         offset+=size+2;
 712                                         client_size+=size+2;
 713                                 }
 714
 715                                 /* get identifier type */
 716                                 value = tvb_get_guint8 (tvb, offset);
 717                                 ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
 718                                                 hf_wtls_hands_cli_hello_key_identifier_type,
 719                                                 tvb,offset,1,bo_big_endian);
 720                                 offset++;
 721                                 client_size++;
 722 #ifdef DEBUG
 723                                 fprintf(stderr, "identifier type = %d, client_size = %d\n", value, client_size);
 724 #endif /* DEBUG */
 725
 726                                 /* identifier present in next field */
 727                                 /* note: value 0x0 means no identifier */
 728                                 switch (value) {
 729                                         case 0x01 :     /* text identifier */
 730                                                 /* not temasted */
 731                                                 ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
 732                                                                 hf_wtls_hands_cli_hello_key_identifier_charset,
 733                                                                 tvb,offset,2,bo_big_endian);
 734                                                 offset+=2;
 735                                                 size = tvb_get_guint8 (tvb, offset);
 736                                                 ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
 737                                                                 hf_wtls_hands_cli_hello_key_identifier_size,
 738                                                                 tvb,offset,1,bo_big_endian);
 739                                                 offset++;
 740                                                 strncpy(valStr,tvb_get_ptr (tvb, offset, size),size);
 741                                                 valStr[size]=0;
 742                                                 ti = proto_tree_add_string(
 743                                                                 wtls_msg_type_item_sub_sub_tree,
 744                                                                 hf_wtls_hands_cli_hello_key_identifier_str,
 745                                                                 tvb, offset,size,valStr);
 746                                                 offset+=size;
 747                                                 client_size+=size+3;
 748 #ifdef DEBUG
 749                                                 fprintf(stderr, "text id size = %d, client_size = %d\n",
 750                                                         size, client_size);
 751 #endif /* DEBUG */
 752                                                 break;
 753                                         case 0x02 : /* binary identifier */
 754                                                 size = tvb_get_guint8 (tvb, offset);
 755                                                 ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
 756                                                                 hf_wtls_hands_cli_hello_key_identifier_size,
 757                                                                 tvb,offset,1,bo_big_endian);
 758                                                 offset++;
 759                                                 ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
 760                                                                 hf_wtls_hands_cli_hello_key_identifier,
 761                                                                 tvb,offset,size,bo_big_endian);
 762                                                 offset+=size;
 763                                                 client_size+=size+1;
 764 #ifdef DEBUG
 765                                                 fprintf(stderr, "binary id size = %d, client_size = %d\n",
 766                                                         size, client_size);
 767 #endif /* DEBUG */
 768                                                 break;
 769                                         case 0xfe :     /* SHA-1 hash of the public key */
 770                                                 ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
 771                                                                 hf_wtls_hands_cli_hello_key_identifier,
 772                                                                 tvb,offset,20,bo_big_endian);
 773                                                 offset+=20;
 774                                                 client_size+=20;
 775 #ifdef DEBUG
 776                                                 fprintf(stderr, "SHA-1 hash size = 20, client_size = %d\n",
 777                                                         client_size);
 778 #endif /* DEBUG */
 779                                                 break;
 780                                         case 0xff :     /* X.509 distinguished name */
 781                                                 /* not testet */
 782                                                 size = tvb_get_guint8 (tvb, offset);
 783                                                 /* need to fetch identifier and display it */
 784                                                 ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
 785                                                                 hf_wtls_hands_cli_hello_key_identifier_size,
 786                                                                 tvb,offset,1,bo_big_endian);
 787                                                 offset++;
 788                                                 ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
 789                                                                 hf_wtls_hands_cli_hello_key_identifier,
 790                                                                 tvb,offset,size,bo_big_endian);
 791                                                 offset+=size;
 792                                                 client_size+=size+1;
 793 #ifdef DEBUG
 794                                                 fprintf(stderr, "X.509 name size = %d, client_size = %d\n",
 795                                                         size, client_size);
 796 #endif /* DEBUG */
 797                                                 break;
 798                                 }
 799                                 proto_item_set_len(cli_key_item, client_size);
 800                         }
 801
 802                         /* process cipher_suites structure */
 803                         count = tvb_get_guint8 (tvb, offset);
 804                         ti = proto_tree_add_item(wtls_msg_type_item_tree,
 805                                         hf_wtls_hands_cli_hello_cipher_suite, tvb, offset,
 806                                          count+1, bo_little_endian);
 807                         wtls_msg_type_item_sub_tree = proto_item_add_subtree(ti, ett_wtls_msg_type_item_sub);
 808                         offset+=1;
 809                         for (;count > 0;count-=client_size) {
 810                                value = tvb_get_guint8 (tvb, offset);
 811                                valBulk = match_strval(value, wtls_vals_cipher_bulk);
 812                                offset++;
 813                                client_size=1;
 814                                valMac = match_strval(tvb_get_guint8 (tvb, offset), wtls_vals_cipher_mac);
 815                                if (valBulk != NULL)
 816                                {
 817                                        if (valMac != NULL)
 818                                        {
 819                                                snprintf(valStr,1024,"%s, %s",valBulk,valMac);
 820                                        }
 821                                        else
 822                                        {
 823                                                snprintf(valStr,1024,"%s, Unknow MAC (0x%02x)",valBulk,tvb_get_guint8 (tvb, offset));
 824                                        }
 825                                }
 826                                else
 827                                {
 828                                        if (valMac != NULL)
 829                                       {
 830                                                snprintf(valStr,1024,"Unknow Bulk (0x%02x), %s",value,valMac);
 831                                        }
 832                                        else
 833                                        {
 834                                                snprintf(valStr,1024,"Unknow Bulk (0x%02x), Unknow MAC (0x%02x)",value,
 835                                                                tvb_get_guint8 (tvb, offset));
 836                                        }
 837                                 }
 838                                 offset++;
 839                                 client_size++;
 840                                 cli_key_item = proto_tree_add_string(wtls_msg_type_item_sub_tree,
 841                                                hf_wtls_hands_cli_hello_cipher_suite_item, tvb, offset-2,2,
 842                                                valStr);
 843                         }
 844                         count = tvb_get_guint8 (tvb, offset);
 845                         ti = proto_tree_add_item(wtls_msg_type_item_tree,
 846                                         hf_wtls_hands_cli_hello_compression_methods, tvb, offset,
 847                                          count+1, bo_little_endian);
 848                         wtls_msg_type_item_sub_tree = proto_item_add_subtree(ti, ett_wtls_msg_type_item_sub);
 849                         offset+=1;
 850                         for (;count > 0;count-=client_size) {
 851                                 client_size=0;
 852                                 ti = proto_tree_add_item(wtls_msg_type_item_sub_tree,
 853                                                 hf_wtls_hands_cli_hello_compression, tvb, offset,1,
 854                                                 bo_little_endian);
 855                                 offset++;
 856                                 client_size++;
 857                         }
 858                         ti = proto_tree_add_item(wtls_msg_type_item_tree,
 859                                         hf_wtls_hands_cli_hello_sequence_mode, tvb, offset,
 860                                          1, bo_little_endian);
 861                         offset++;
 862                         ti = proto_tree_add_item(wtls_msg_type_item_tree,
 863                                         hf_wtls_hands_cli_hello_key_refresh, tvb, offset,
 864                                          1, bo_little_endian);
 865                         break;
 866                 case WTLS_HANDSHAKE_SERVER_HELLO :
 867                         ti = proto_tree_add_item(wtls_msg_type_tree, hf_wtls_hands_serv_hello, tvb, offset,
 868                                          count, bo_little_endian);
 869                         wtls_msg_type_item_tree = proto_item_add_subtree(ti, ett_wtls_msg_type_item);
 870                         ti = proto_tree_add_item (wtls_msg_type_item_tree, hf_wtls_hands_serv_hello_version,
 871                                         tvb,offset,1,bo_big_endian);
 872                         offset++;
 873                         timeValue.tv_sec = tvb_get_ntohl (tvb, offset);
 874                         timeValue.tv_usec = 0;
 875                         ti = proto_tree_add_time (wtls_msg_type_item_tree, hf_wtls_hands_serv_hello_gmt, tvb,
 876                                         offset, 4, &timeValue);
 877                         offset+=4;
 878                         ti = proto_tree_add_item (wtls_msg_type_item_tree, hf_wtls_hands_serv_hello_random,
 879                                         tvb,offset,12,bo_big_endian);
 880                         offset+=12;
 881                         count = tvb_get_guint8(tvb, offset);
 882                         switch(count) {
 883                                 case 0:
 884                                         ti = proto_tree_add_string (wtls_msg_type_item_tree, hf_wtls_hands_serv_hello_session_str,
 885                                                                         tvb,offset,count+1,"NULL");
 886                                         break;
 887                                 case 1 :
 888                                         ti = proto_tree_add_uint (wtls_msg_type_item_tree, hf_wtls_hands_serv_hello_session,
 889                                                                         tvb,offset,count+1,tvb_get_guint8(tvb,offset+1));
 890                                         break;
 891                                 case 2 :
 892                                         ti = proto_tree_add_uint (wtls_msg_type_item_tree, hf_wtls_hands_serv_hello_session,
 893                                                                         tvb,offset,count+1,tvb_get_ntohs(tvb,offset+1));
 894                                         break;
 895                                 case 3 :
 896                                         ti = proto_tree_add_uint (wtls_msg_type_item_tree, hf_wtls_hands_serv_hello_session,
 897                                                                         tvb,offset,count+1,tvb_get_ntoh24(tvb,offset+1));
 898                                         break;
 899                                 case 4 :
 900                                         ti = proto_tree_add_uint (wtls_msg_type_item_tree, hf_wtls_hands_serv_hello_session,
 901                                                                         tvb,offset,count+1,tvb_get_ntohl(tvb,offset+1));
 902                                         break;
 903                                 default:
 904                                         ti = proto_tree_add_string (wtls_msg_type_item_tree, hf_wtls_hands_serv_hello_session_str,
 905                                                                         tvb,offset,count+1,"Too big");
 906                                         break;
 907                         }
 908                         offset+=1+count;
 909                         ti = proto_tree_add_item(wtls_msg_type_item_tree,
 910                                         hf_wtls_hands_serv_hello_cli_key_id,
 911                                         tvb,offset,1,bo_big_endian);
 912                         offset++;
 913                         cli_key_item = proto_tree_add_item(wtls_msg_type_item_tree,
 914                                         hf_wtls_hands_serv_hello_cipher_suite_item, tvb, offset,2,
 915                                         bo_little_endian);
 916                         wtls_msg_type_item_sub_tree = proto_item_add_subtree(cli_key_item,
 917                                                           ett_wtls_msg_type_item_sub);
 918                         ti = proto_tree_add_item(wtls_msg_type_item_sub_tree,
 919                                         hf_wtls_hands_serv_hello_cipher_bulk,
 920                                         tvb,offset,1,bo_big_endian);
 921                         offset++;
 922                         value = tvb_get_guint8 (tvb, offset);
 923                         ti = proto_tree_add_item(wtls_msg_type_item_sub_tree,
 924                                 hf_wtls_hands_serv_hello_cipher_mac,
 925                                 tvb,offset,1,bo_big_endian);
 926                         offset++;
 927                         ti = proto_tree_add_item(wtls_msg_type_item_tree,
 928                                         hf_wtls_hands_serv_hello_compression, tvb, offset,1,
 929                                         bo_little_endian);
 930                         offset++;
 931                         ti = proto_tree_add_item(wtls_msg_type_item_tree,
 932                                         hf_wtls_hands_serv_hello_sequence_mode, tvb, offset,
 933                                          1, bo_little_endian);
 934                         offset++;
 935                         ti = proto_tree_add_item(wtls_msg_type_item_tree,
 936                                         hf_wtls_hands_serv_hello_key_refresh, tvb, offset,
 937                                          1, bo_little_endian);
 938                         offset++;
 939                         break;
 940                 case WTLS_HANDSHAKE_CERTIFICATE :
 941                         ti = proto_tree_add_item(wtls_msg_type_tree, hf_wtls_hands_certificates,
 942                                         tvb, offset,count, bo_little_endian);
 943                         wtls_msg_type_item_tree = proto_item_add_subtree(ti, ett_wtls_msg_type_item);
 944                         count = tvb_get_ntohs (tvb, offset);
 945                         offset+=2;
 946                         for (;count > 0;count-=client_size) {
 947                                 cli_key_item = proto_tree_add_item(wtls_msg_type_item_tree,
 948                                                 hf_wtls_hands_certificate, tvb, offset,1,
 949                                                 bo_little_endian);
 950                                 client_size=0;
 951                                 wtls_msg_type_item_sub_tree = proto_item_add_subtree(cli_key_item,
 952                                                                   ett_wtls_msg_type_item_sub);
 953                                 proto_item_set_len(cli_key_item, client_size);
 954                                 value =  tvb_get_guint8 (tvb, offset);
 955                                 ti = proto_tree_add_item(wtls_msg_type_item_sub_tree,
 956                                                 hf_wtls_hands_certificate_type, tvb, offset,1,
 957                                                 bo_little_endian);
 958                                 offset++;
 959                                 client_size++;
 960                                 switch(value) {
 961                                         case CERTIFICATE_WTLS:
 962                                                 ti = proto_tree_add_item(wtls_msg_type_item_sub_tree,
 963                                                         hf_wtls_hands_certificate_wtls_version,
 964                                                         tvb, offset,1,
 965                                                         bo_little_endian);
 966                                                 offset++;
 967                                                 client_size++;
 968                                                 signature =  tvb_get_guint8 (tvb, offset);
 969                                                 ti = proto_tree_add_item(wtls_msg_type_item_sub_tree,
 970                                                         hf_wtls_hands_certificate_wtls_signature_type,
 971                                                         tvb, offset,1,
 972                                                         bo_little_endian);
 973                                                 offset++;
 974                                                 client_size++;
 975                                                 value =  tvb_get_guint8 (tvb, offset);
 976                                                 ti = proto_tree_add_item(wtls_msg_type_item_sub_tree,
 977                                                         hf_wtls_hands_certificate_wtls_issuer_type,
 978                                                         tvb, offset,1,
 979                                                         bo_little_endian);
 980                                                 offset++;
 981                                                 client_size++;
 982                                                 switch (value) {
 983                                                         case IDENTIFIER_NULL :
 984                                                                 break;
 985                                                         case IDENTIFIER_TEXT :
 986                                                                 ti = proto_tree_add_item(
 987                                                                                 wtls_msg_type_item_sub_tree,
 988                                                                                 hf_wtls_hands_certificate_wtls_issuer_charset,
 989                                                                                 tvb, offset,2,
 990                                                                                 bo_big_endian);
 991                                                                 offset+=2;
 992                                                                 client_size+=2;
 993                                                                 value =  tvb_get_guint8 (tvb, offset);
 994                                                                 strncpy(valStr,tvb_get_ptr (tvb, offset+1, value),value);
 995                                                                 valStr[value]=0;
 996                                                                 ti = proto_tree_add_string(
 997                                                                                 wtls_msg_type_item_sub_tree,
 998                                                                                 hf_wtls_hands_certificate_wtls_issuer_name,
 999                                                                                 tvb, offset,1+value,
1000                                                                                 valStr);
1001                                                                 offset+=1+value;
1002                                                                 client_size+=1+value;
1003                                                                 break;
1004                                                         case IDENTIFIER_BIN :
1005                                                                 break;
1006                                                         case IDENTIFIER_SHA_1 :
1007                                                                 break;
1008                                                         case IDENTIFIER_X509 :
1009                                                                 break;
1010                                                 }
1011                                                 timeValue.tv_sec = tvb_get_ntohl (tvb, offset);
1012                                                 timeValue.tv_usec = 0;
1013                                                 ti = proto_tree_add_time (wtls_msg_type_item_sub_tree,
1014                                                                 hf_wtls_hands_certificate_wtls_valid_not_before,
1015                                                                 tvb, offset, 4, &timeValue);
1016                                                 offset+=4;
1017                                                 client_size+=4;
1018                                                 timeValue.tv_sec = tvb_get_ntohl (tvb, offset);
1019                                                 timeValue.tv_usec = 0;
1020                                                 ti = proto_tree_add_time (wtls_msg_type_item_sub_tree,
1021                                                                 hf_wtls_hands_certificate_wtls_valid_not_after,
1022                                                                 tvb, offset, 4, &timeValue);
1023                                                 offset+=4;
1024                                                 client_size+=4;
1025                                                 value =  tvb_get_guint8 (tvb, offset);
1026                                                 ti = proto_tree_add_item(wtls_msg_type_item_sub_tree,
1027                                                         hf_wtls_hands_certificate_wtls_subject_type,
1028                                                         tvb, offset,1,
1029                                                         bo_little_endian);
1030                                                 offset++;
1031                                                 client_size++;
1032                                                 switch (value) {
1033                                                         case IDENTIFIER_NULL :
1034                                                                 break;
1035                                                         case IDENTIFIER_TEXT :
1036                                                                 ti = proto_tree_add_item(
1037                                                                                 wtls_msg_type_item_sub_tree,
1038                                                                                 hf_wtls_hands_certificate_wtls_subject_charset,
1039                                                                                 tvb, offset,2,
1040                                                                                 bo_big_endian);
1041                                                                 offset+=2;
1042                                                                 client_size+=2;
1043                                                                 value =  tvb_get_guint8 (tvb, offset);
1044                                                                 strncpy(valStr,tvb_get_ptr (tvb, offset+1, value),value);
1045                                                                 valStr[value]=0;
1046                                                                 ti = proto_tree_add_string(
1047                                                                                 wtls_msg_type_item_sub_tree,
1048                                                                                 hf_wtls_hands_certificate_wtls_subject_name,
1049                                                                                 tvb, offset,1+value,
1050                                                                                 valStr);
1051                                                                 offset+=1+value;
1052                                                                 client_size+=1+value;
1053                                                                 break;
1054                                                         case IDENTIFIER_BIN :
1055                                                                 break;
1056                                                         case IDENTIFIER_SHA_1 :
1057                                                                 break;
1058                                                         case IDENTIFIER_X509 :
1059                                                                 break;
1060                                                 }
1061                                                 public_key =  tvb_get_guint8 (tvb, offset);
1062                                                 ti = proto_tree_add_item(wtls_msg_type_item_sub_tree,
1063                                                         hf_wtls_hands_certificate_wtls_public_key_type,
1064                                                         tvb, offset,1,
1065                                                         bo_little_endian);
1066                                                 offset++;
1067                                                 client_size++;
1068                                                 value = tvb_get_guint8 (tvb, offset);
1069                                                 ti = proto_tree_add_item(wtls_msg_type_item_sub_tree,
1070                                                         hf_wtls_hands_certificate_wtls_key_parameter_index,
1071                                                         tvb,offset,1,bo_big_endian);
1072                                                 offset++;
1073                                                 client_size++;
1074                                                 if (value == 0xff) {
1075                                                         size = tvb_get_ntohs (tvb, offset);
1076                                                         ti = proto_tree_add_item(wtls_msg_type_item_sub_tree,
1077                                                                 hf_wtls_hands_certificate_wtls_key_parameter_set,
1078                                                                 tvb,offset,size+2,bo_big_endian);
1079                                                         offset+=size+2;
1080                                                         client_size+=size+2;
1081                                                 }
1082                                                 switch (public_key) {
1083                                                         case PUBLIC_KEY_RSA :
1084                                                                 value = tvb_get_ntohs (tvb, offset);
1085                                                                 ti = proto_tree_add_uint(wtls_msg_type_item_sub_tree,
1086                                                                         hf_wtls_hands_certificate_wtls_rsa_exponent,
1087                                                                         tvb,offset,value+2,value*8);
1088                                                                 offset+=2+value;
1089                                                                 client_size+=2+value;
1090                                                                 value = tvb_get_ntohs (tvb, offset);
1091                                                                 ti = proto_tree_add_uint(wtls_msg_type_item_sub_tree,
1092                                                                         hf_wtls_hands_certificate_wtls_rsa_modules,
1093                                                                         tvb,offset,value+2,value*8);
1094                                                                 offset+=2+value;
1095                                                                 client_size+=2+value;
1096                                                                 break;
1097                                                         case PUBLIC_KEY_ECDH :
1098                                                                 break;
1099                                                         case PUBLIC_KEY_ECDSA :
1100                                                                 break;
1101                                                 }
1102                                                 value = tvb_get_ntohs (tvb, offset);
1103                                                 ti = proto_tree_add_uint(wtls_msg_type_item_sub_tree,
1104                                                         hf_wtls_hands_certificate_wtls_signature,
1105                                                         tvb,offset,2+value,value*8);
1106                                                 offset+=2+value;
1107                                                 client_size+=2+value;
1108                                                 break;
1109                                         case CERTIFICATE_X509:
1110                                         case CERTIFICATE_X968:
1111                                                 value =  tvb_get_ntohs (tvb, offset);
1112                                                 offset+=2;
1113                                                 client_size+=2;
1114                                                 client_size += value;
1115                                                 offset += value;
1116                                                 break;
1117                                         case CERTIFICATE_URL:
1118                                                 value =  tvb_get_guint8 (tvb, offset);
1119                                                 offset++;
1120                                                 client_size++;
1121                                                 client_size += value;
1122                                                 offset += value;
1123                                                 break;
1124                                 }
1125                                 proto_item_set_len(cli_key_item, client_size);
1126                         }
1127                         break;
1128                 default:
1129                         offset+=count;
1130                         break;
1131         }
1132 }
1133
1134 /* Register the protocol with Ethereal */
1135 void
1136 proto_register_wtls(void)
1137 {
1138
1139 /* Setup list of header fields */
1140         static hf_register_info hf[] = {
1141                 { &hf_wtls_record,
1142                         {       "Record",
1143                                 "wsp.wtls.record",
1144                                  FT_UINT8, BASE_DEC, VALS ( wtls_vals_record_type ), 0x0f,
1145                                 "Record", HFILL
1146                         }
1147                 },
1148                 { &hf_wtls_record_type,
1149                         {       "Record Type",
1150                                 "wsp.wtls.rec_type",
1151                                  FT_UINT8, BASE_DEC, VALS ( wtls_vals_record_type ), 0x0f,
1152                                 "Record Type", HFILL
1153                         }
1154                 },
1155                 { &hf_wtls_record_length,
1156                         {       "Record Length",
1157                                 "wsp.wtls.rec_length",
1158                                  FT_UINT16, BASE_DEC, NULL, 0x00,
1159                                 "Record Length", HFILL
1160                         }
1161                 },
1162                 { &hf_wtls_record_sequence,
1163                         {       "Record Sequence",
1164                                 "wsp.wtls.rec_seq",
1165                                  FT_UINT16, BASE_DEC, NULL, 0x00,
1166                                 "Record Sequence", HFILL
1167                         }
1168                 },
1169                 { &hf_wtls_record_ciphered,
1170                         {       "Record Ciphered",
1171                                 "wsp.wtls.rec_cipher",
1172                                  FT_NONE, BASE_DEC, NULL, 0x00,
1173                                 "Record Ciphered", HFILL
1174                         }
1175                 },
1176                 { &hf_wtls_hands,
1177                         {       "Handshake",
1178                                 "wsp.wtls.handshake",
1179                                  FT_UINT8, BASE_HEX, VALS ( wtls_vals_handshake_type ), 0x00,
1180                                 "Handshake", HFILL
1181                         }
1182                 },
1183                 { &hf_wtls_hands_type,
1184                         {       "Type",
1185                                 "wsp.wtls.handshake.type",
1186                                  FT_UINT8, BASE_HEX, VALS ( wtls_vals_handshake_type ), 0x00,
1187                                 "Type", HFILL
1188                         }
1189                 },
1190                 { &hf_wtls_hands_length,
1191                         {       "Length",
1192                                 "wsp.wtls.handshake.length",
1193                                  FT_UINT16, BASE_DEC, NULL, 0x00,
1194                                 "Length", HFILL
1195                         }
1196                 },
1197                 { &hf_wtls_hands_cli_hello,
1198                         {       "Client Hello",
1199                                 "wsp.wtls.handshake.client_hello",
1200                                  FT_NONE, BASE_NONE,NULL, 0x00,
1201                                 "Client Hello", HFILL
1202                         }
1203                 },
1204                 { &hf_wtls_hands_cli_hello_version,
1205                         {       "Version",
1206                                 "wsp.wtls.handshake.client_hello.version",
1207                                  FT_UINT8, BASE_DEC, NULL, 0x00,
1208                                 "Version", HFILL
1209                         }
1210                 },
1211                 { &hf_wtls_hands_cli_hello_gmt,
1212                         {       "Time GMT",
1213                                 "wsp.wtls.handshake.client_hello.gmt",
1214                                  FT_ABSOLUTE_TIME, BASE_NONE, NULL, 0x00,
1215                                 "Time GMT", HFILL
1216                         }
1217                 },
1218                 { &hf_wtls_hands_cli_hello_random,
1219                         {       "Random",
1220                                 "wsp.wtls.handshake.client_hello.random",
1221                                  FT_NONE, BASE_DEC, NULL, 0x00,
1222                                 "Random", HFILL
1223                         }
1224                 },
1225                 { &hf_wtls_hands_cli_hello_session,
1226                         {       "Session ID",
1227                                 "wsp.wtls.handshake.client_hello.sessionid",
1228                                  FT_UINT32, BASE_DEC, NULL, 0x00,
1229                                 "Session ID", HFILL
1230                         }
1231                 },
1232                 { &hf_wtls_hands_cli_hello_session_str,
1233                         {       "Session ID",
1234                                 "wsp.wtls.handshake.client_hello.session.str",
1235                                  FT_STRING, BASE_DEC, NULL, 0x00,
1236                                 "Session ID", HFILL
1237                         }
1238                 },
1239                 { &hf_wtls_hands_cli_hello_cli_key_id,
1240                         {       "Client Keys",
1241                                 "wsp.wtls.handshake.client_hello.client_keys_id",
1242                                  FT_NONE, BASE_DEC, NULL, 0x00,
1243                                 "Client Keys"     , HFILL
1244                         }
1245                 },
1246                 { &hf_wtls_hands_cli_hello_cli_key_len,
1247                         {       "Length",
1248                                 "wsp.wtls.handshake.client_hello.client_keys_len",
1249                                  FT_UINT16, BASE_DEC, NULL, 0x00,
1250                                 "Length"          , HFILL
1251                         }
1252                 },
1253                 { &hf_wtls_hands_cli_hello_trust_key_id,
1254                         {       "Trusted Keys",
1255                                 "wsp.wtls.handshake.client_hello.trusted_keys_id",
1256                                  FT_NONE, BASE_DEC, NULL, 0x00,
1257                                 "Trusted Keys"          , HFILL
1258                         }
1259                 },
1260                 { &hf_wtls_hands_cli_hello_key_exchange,
1261                         {       "Key Exchange",
1262                                 "wsp.wtls.handshake.client_hello.key.key_exchange",
1263                                  FT_UINT8, BASE_HEX, VALS ( wtls_vals_key_exchange_suite ), 0x00,
1264                                 "Key Exchange", HFILL
1265                         }
1266                 },
1267                 { &hf_wtls_hands_cli_hello_key_exchange_suite,
1268                         {       "Suite",
1269                                 "wsp.wtls.handshake.client_hello.key.key_exchange.suite",
1270                                  FT_UINT8, BASE_HEX, VALS ( wtls_vals_key_exchange_suite ), 0x00,
1271                                 "Suite", HFILL
1272                         }
1273                 },
1274                 { &hf_wtls_hands_cli_hello_key_parameter_index,
1275                         {       "Parameter Index",
1276                                 "wsp.wtls.handshake.client_hello.parameter_index",
1277                                  FT_UINT8, BASE_DEC, NULL, 0x00,
1278                                 "Parameter Index", HFILL
1279                         }
1280                 },
1281                 { &hf_wtls_hands_cli_hello_key_parameter_set,
1282                         {       "Parameter Set",
1283                                 "wsp.wtls.handshake.client_hello.parameter",
1284                                  FT_STRING, BASE_NONE, NULL, 0x00,
1285                                 "Parameter Set", HFILL
1286                         }
1287                 },
1288                 { &hf_wtls_hands_cli_hello_key_identifier_type,
1289                         {       "Identifier Type",
1290                                 "wsp.wtls.handshake.client_hello.ident_type",
1291                                  FT_UINT8, BASE_HEX, VALS ( wtls_vals_identifier_type ), 0x00,
1292                                 "Identifier Type", HFILL
1293                         }
1294                 },
1295                 { &hf_wtls_hands_cli_hello_key_identifier_charset,
1296                         {       "Identifier CharSet",
1297                                 "wsp.wtls.handshake.client_hello.ident_charset",
1298                                  FT_UINT16, BASE_HEX, VALS ( vals_character_sets ), 0x00,
1299                                 "Identifier CharSet", HFILL
1300                         }
1301                 },
1302                 { &hf_wtls_hands_cli_hello_key_identifier_size,
1303                         {       "Identifier Size",
1304                                 "wsp.wtls.handshake.client_hello.ident_size",
1305                                  FT_UINT8, BASE_DEC, NULL, 0x00,
1306                                 "Identifier Size", HFILL
1307                         }
1308                 },
1309                 { &hf_wtls_hands_cli_hello_key_identifier,
1310                         {       "Identifier",
1311                                 "wsp.wtls.handshake.client_hello.identifier",
1312                                  FT_NONE, BASE_HEX, NULL, 0x00,
1313                                 "Identifier", HFILL
1314                         }
1315                 },
1316                 { &hf_wtls_hands_cli_hello_key_identifier_str,
1317                         {       "Identifier Name",
1318                                 "wsp.wtls.handshake.client_hello.ident_name",
1319                                  FT_STRING, BASE_HEX, NULL, 0x00,
1320                                 "Identifier Name", HFILL
1321                         }
1322                 },
1323                 { &hf_wtls_hands_cli_hello_cipher_suite,
1324                         {       "Cipher Suites",
1325                                 "wsp.wtls.handshake.client_hello.ciphers",
1326                                  FT_NONE, BASE_DEC, NULL, 0x00,
1327                                 "Cipher Suite", HFILL
1328                         }
1329                 },
1330                 { &hf_wtls_hands_cli_hello_cipher_suite_item,
1331                         {       "Cipher",
1332                                 "wsp.wtls.handshake.client_hello.cipher",
1333                                  FT_STRING, BASE_DEC, NULL, 0x00,
1334                                 "Cipher", HFILL
1335                         }
1336                 },
1337                 { &hf_wtls_hands_cli_hello_compression_methods,
1338                         {       "Compression Methods",
1339                                 "wsp.wtls.handshake.client_hello.comp_methods",
1340                                  FT_NONE, BASE_DEC, NULL, 0x00,
1341                                 "Compression Methods", HFILL
1342                         }
1343                 },
1344                 { &hf_wtls_hands_cli_hello_compression,
1345                         {       "Compression",
1346                                 "wsp.wtls.handshake.client_hello.compression",
1347                                  FT_UINT8, BASE_HEX, VALS ( wtls_vals_compression ), 0x00,
1348                                 "Compression", HFILL
1349                         }
1350                 },
1351                 { &hf_wtls_hands_cli_hello_sequence_mode,
1352                         {       "Sequence Mode",
1353                                 "wsp.wtls.handshake.client_hello.sequence_mode",
1354                                  FT_UINT8, BASE_HEX, VALS ( wtls_vals_sequence_mode ), 0x00,
1355                                 "Sequence Mode", HFILL
1356                         }
1357                 },
1358                 { &hf_wtls_hands_cli_hello_key_refresh,
1359                         {       "Refresh",
1360                                 "wsp.wtls.handshake.client_hello.refresh",
1361                                  FT_UINT8, BASE_DEC,NULL, 0x00,
1362                                 "Refresh", HFILL
1363                         }
1364                 },
1365                 { &hf_wtls_hands_serv_hello,
1366                         {       "Server Hello",
1367                                 "wsp.wtls.handshake.server_hello",
1368                                  FT_NONE, BASE_NONE,NULL, 0x00,
1369                                 "Server Hello", HFILL
1370                         }
1371                 },
1372                 { &hf_wtls_hands_serv_hello_version,
1373                         {       "Version",
1374                                 "wsp.wtls.handshake.server_hello.version",
1375                                  FT_UINT8, BASE_DEC, NULL, 0x00,
1376                                 "Version", HFILL
1377                         }
1378                 },
1379                 { &hf_wtls_hands_serv_hello_gmt,
1380                         {       "Time GMT",
1381                                 "wsp.wtls.handshake.server_hello.gmt",
1382                                  FT_ABSOLUTE_TIME, BASE_NONE, NULL, 0x00,
1383                                 "Time GMT", HFILL
1384                         }
1385                 },
1386                 { &hf_wtls_hands_serv_hello_random,
1387                         {       "Random",
1388                                 "wsp.wtls.handshake.server_hello.random",
1389                                  FT_NONE, BASE_DEC, NULL, 0x00,
1390                                 "Random", HFILL
1391                         }
1392                 },
1393                 { &hf_wtls_hands_serv_hello_session,
1394                         {       "Session ID",
1395                                 "wsp.wtls.handshake.server_hello.sessionid",
1396                                  FT_UINT32, BASE_DEC, NULL, 0x00,
1397                                 "Session ID", HFILL
1398                         }
1399                 },
1400                 { &hf_wtls_hands_serv_hello_session_str,
1401                         {       "Session ID",
1402                                 "wsp.wtls.handshake.server_hello.session.str",
1403                                  FT_STRING, BASE_DEC, NULL, 0x00,
1404                                 "Session ID", HFILL
1405                         }
1406                 },
1407                 { &hf_wtls_hands_serv_hello_cli_key_id,
1408                         {       "Client Key ID",
1409                                 "wsp.wtls.handshake.server_hello.key",
1410                                  FT_UINT8, BASE_HEX, NULL, 0x00,
1411                                 "Client Key ID", HFILL
1412                         }
1413                 },
1414                 { &hf_wtls_hands_serv_hello_cipher_suite_item,
1415                         {       "Cipher",
1416                                 "wsp.wtls.handshake.server_hello.cipher",
1417                                  FT_NONE, BASE_DEC, NULL, 0x00,
1418                                 "Cipher", HFILL
1419                         }
1420                 },
1421                 { &hf_wtls_hands_serv_hello_cipher_bulk,
1422                         {       "Cipher Bulk",
1423                                 "wsp.wtls.handshake.server_hello.cipher.bulk",
1424                                  FT_UINT8, BASE_HEX, VALS ( wtls_vals_cipher_bulk ), 0x00,
1425                                 "Cipher Bulk", HFILL
1426                         }
1427                 },
1428                 { &hf_wtls_hands_serv_hello_cipher_mac,
1429                         {       "Cipher MAC",
1430                                 "wsp.wtls.handshake.server_hello.cipher.mac",
1431                                  FT_UINT8, BASE_HEX, VALS ( wtls_vals_cipher_mac ), 0x00,
1432                                 "Cipher MAC", HFILL
1433                         }
1434                 },
1435                 { &hf_wtls_hands_serv_hello_compression,
1436                         {       "Compression",
1437                                 "wsp.wtls.handshake.server_hello.compression",
1438                                  FT_UINT8, BASE_HEX, VALS ( wtls_vals_compression ), 0x00,
1439                                 "Compression", HFILL
1440                         }
1441                 },
1442                 { &hf_wtls_hands_serv_hello_sequence_mode,
1443                         {       "Sequence Mode",
1444                                 "wsp.wtls.handshake.server_hello.sequence_mode",
1445                                  FT_UINT8, BASE_HEX, VALS ( wtls_vals_sequence_mode ), 0x00,
1446                                 "Sequence Mode", HFILL
1447                         }
1448                 },
1449                 { &hf_wtls_hands_serv_hello_key_refresh,
1450                         {       "Refresh",
1451                                 "wsp.wtls.handshake.server_hello.refresh",
1452                                  FT_UINT8, BASE_DEC,NULL, 0x00,
1453                                 "Refresh", HFILL
1454                         }
1455                 },
1456                 { &hf_wtls_hands_certificates,
1457                         {       "Certificates",
1458                                 "wsp.wtls.handshake.certificates",
1459                                  FT_NONE, BASE_DEC, NULL, 0x00,
1460                                 "Certificates", HFILL
1461                         }
1462                 },
1463                 { &hf_wtls_hands_certificate,
1464                         {       "Certificate",
1465                                 "wsp.wtls.handshake.certificate",
1466                                  FT_NONE, BASE_DEC, NULL, 0x00,
1467                                 "Certificate", HFILL
1468                         }
1469                 },
1470                 { &hf_wtls_hands_certificate_type,
1471                         {       "Type",
1472                                 "wsp.wtls.handshake.certificate.type",
1473                                  FT_UINT8, BASE_HEX, VALS ( wtls_vals_certificate_type ), 0x00,
1474                                 "Type", HFILL
1475                         }
1476                 },
1477                 { &hf_wtls_hands_certificate_wtls_version,
1478                         {       "Version",
1479                                 "wsp.wtls.handshake.certificate.version",
1480                                  FT_UINT8, BASE_HEX, NULL, 0x00,
1481                                 "Version", HFILL
1482                         }
1483                 },
1484                 { &hf_wtls_hands_certificate_wtls_signature_type,
1485                         {       "Signature Type",
1486                                 "wsp.wtls.handshake.certificate.signature.type",
1487                                  FT_UINT8, BASE_HEX, VALS ( wtls_vals_certificate_signature ), 0x00,
1488                                 "Signature Type", HFILL
1489                         }
1490                 },
1491                 { &hf_wtls_hands_certificate_wtls_signature,
1492                         {       "Signature Size",
1493                                 "wsp.wtls.handshake.certificate.signature.signature",
1494                                  FT_UINT32, BASE_DEC, NULL, 0x00,
1495                                 "Signature Size", HFILL
1496                         }
1497                 },
1498                 { &hf_wtls_hands_certificate_wtls_issuer_type,
1499                         {       "Issuer",
1500                                 "wsp.wtls.handshake.certificate.issuer.type",
1501                                  FT_UINT8, BASE_HEX, VALS ( wtls_vals_identifier_type ), 0x00,
1502                                 "Issuer", HFILL
1503                         }
1504                 },
1505                 { &hf_wtls_hands_certificate_wtls_issuer_charset,
1506                         {       "Charset",
1507                                 "wsp.wtls.handshake.certificate.issuer.charset",
1508                                  FT_UINT16, BASE_HEX, VALS ( vals_character_sets ), 0x00,
1509                                 "Charset", HFILL
1510                         }
1511                 },
1512                 { &hf_wtls_hands_certificate_wtls_issuer_name,
1513                         {       "Name",
1514                                 "wsp.wtls.handshake.certificate.issuer.name",
1515                                  FT_STRING, BASE_NONE, NULL, 0x00,
1516                                 "Name", HFILL
1517                         }
1518                 },
1519                 { &hf_wtls_hands_certificate_wtls_valid_not_before,
1520                         {       "Valid not before",
1521                                 "wsp.wtls.handshake.certificate.before",
1522                                  FT_ABSOLUTE_TIME, BASE_NONE, NULL, 0x00,
1523                                 "Valid not before", HFILL
1524                         }
1525                 },
1526                 { &hf_wtls_hands_certificate_wtls_valid_not_after,
1527                         {       "Valid not after",
1528                                 "wsp.wtls.handshake.certificate.after",
1529                                  FT_ABSOLUTE_TIME, BASE_NONE, NULL, 0x00,
1530                                 "Valid not after", HFILL
1531                         }
1532                 },
1533                 { &hf_wtls_hands_certificate_wtls_subject_type,
1534                         {       "Subject",
1535                                 "wsp.wtls.handshake.certificate.subject.type",
1536                                  FT_UINT8, BASE_HEX, VALS ( wtls_vals_identifier_type ), 0x00,
1537                                 "Subject", HFILL
1538                         }
1539                 },
1540                 { &hf_wtls_hands_certificate_wtls_subject_charset,
1541                         {       "Charset",
1542                                 "wsp.wtls.handshake.certificate.subject.charset",
1543                                  FT_UINT16, BASE_HEX, VALS ( vals_character_sets ), 0x00,
1544                                 "Charset", HFILL
1545                         }
1546                 },
1547                 { &hf_wtls_hands_certificate_wtls_subject_name,
1548                         {       "Name",
1549                                 "wsp.wtls.handshake.certificate.subject.name",
1550                                  FT_STRING, BASE_NONE, NULL, 0x00,
1551                                 "Name", HFILL
1552                         }
1553                 },
1554                 { &hf_wtls_hands_certificate_wtls_public_key_type,
1555                         {       "Public Key Type",
1556                                 "wsp.wtls.handshake.certificate.public.type",
1557                                  FT_UINT8, BASE_HEX, VALS ( wtls_vals_public_key_type ), 0x00,
1558                                 "Public Key Type", HFILL
1559                         }
1560                 },
1561                 { &hf_wtls_hands_certificate_wtls_key_parameter_index,
1562                         {       "Parameter Index",
1563                                 "wsp.wtls.handshake.certificate.parameter_index",
1564                                  FT_UINT8, BASE_DEC, NULL, 0x00,
1565                                 "Parameter Index", HFILL
1566                         }
1567                 },
1568                 { &hf_wtls_hands_certificate_wtls_key_parameter_set,
1569                         {       "Parameter Set",
1570                                 "wsp.wtls.handshake.certificate.parameter",
1571                                  FT_STRING, BASE_NONE, NULL, 0x00,
1572                                 "Parameter Set", HFILL
1573                         }
1574                 },
1575                 { &hf_wtls_hands_certificate_wtls_rsa_exponent,
1576                         {       "RSA Exponent Size",
1577                                 "wsp.wtls.handshake.certificate.rsa.exponent",
1578                                  FT_UINT32, BASE_DEC, NULL, 0x00,
1579                                 "RSA Exponent Size", HFILL
1580                         }
1581                 },
1582                 { &hf_wtls_hands_certificate_wtls_rsa_modules,
1583                         {       "RSA Modulus Size",
1584                                 "wsp.wtls.handshake.certificate.rsa.modules",
1585                                  FT_UINT32, BASE_DEC, NULL, 0x00,
1586                                 "RSA Modulus Size", HFILL
1587                         }
1588                 },
1589                 { &hf_wtls_alert,
1590                         {       "Alert",
1591                                 "wsp.wtls.alert",
1592                                  FT_NONE, BASE_HEX, NULL, 0x00,
1593                                 "Alert", HFILL
1594                         }
1595                 },
1596                 { &hf_wtls_alert_level,
1597                         {       "Level",
1598                                 "wsp.wtls.alert.level",
1599                                  FT_UINT8, BASE_HEX, VALS ( wtls_vals_alert_level ), 0x00,
1600                                 "Level", HFILL
1601                         }
1602                 },
1603                 { &hf_wtls_alert_description,
1604                         {       "Description",
1605                                 "wsp.wtls.alert.description",
1606                                  FT_UINT8, BASE_HEX, VALS ( wtls_vals_alert_description ), 0x00,
1607                                 "Description", HFILL
1608                         }
1609                 },
1610         };
1611
1612 /* Setup protocol subtree array */
1613         static gint *ett[] = {
1614                 &ett_wtls,
1615                 &ett_wtls_rec,
1616                 &ett_wtls_msg_type,
1617                 &ett_wtls_msg_type_item,
1618                 &ett_wtls_msg_type_item_sub,
1619                 &ett_wtls_msg_type_item_sub_sub,
1620         };
1621
1622 /* Register the protocol name and description */
1623         proto_wtls = proto_register_protocol(
1624                 "Wireless Transport Layer Security",    /* protocol name for use by ethereal */
1625                 "WTLS",                          /* short version of name */
1626                 "wap-wtls"                      /* Abbreviated protocol name, should Match IANA
1627                                                     < URL:http://www.isi.edu/in-notes/iana/assignments/port-numbers/ >
1628                                                   */
1629         );
1630
1631 /* Required function calls to register the header fields and subtrees used  */
1632         proto_register_field_array(proto_wtls, hf, array_length(hf));
1633         proto_register_subtree_array(ett, array_length(ett));
1634
1635         register_dissector("wtls", dissect_wtls, proto_wtls);
1636 }
1637
1638 void
1639 proto_reg_handoff_wtls(void)
1640 {
1641         /*
1642          * Get handles for the IP WTP and WSP dissectors
1643          */
1644         wtp_handle = find_dissector("wtp");
1645         wsp_handle = find_dissector("wsp");
1646
1647         dissector_add("udp.port", UDP_PORT_WTLS_WSP,     dissect_wtls, proto_wtls);
1648         dissector_add("udp.port", UDP_PORT_WTLS_WTP_WSP, dissect_wtls, proto_wtls);
1649 }