![Gilbert Ramirez](/assets/img/avatar_default.png)
Also move ncp222.py, x11-fields, process-x11-fields.pl, make-reg-dotc, and make-reg-dotc.py. Adjust #include lines in files that include packet-*.h files. svn path=/trunk/; revision=11410
1628 lines
53 KiB
C
1628 lines
53 KiB
C
/* packet-wtls.c
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*
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* Routines to dissect WTLS component of WAP traffic.
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*
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* $Id$
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 1998 Gerald Combs
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*
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* WAP dissector based on original work by Ben Fowler
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* Updated by Neil Hunter <neil.hunter@energis-squared.com>
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* WTLS support by Alexandre P. Ferreira (Splice IP)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#ifdef NEED_SNPRINTF_H
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# include "snprintf.h"
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#endif
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#include <string.h>
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#include <glib.h>
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#include <epan/packet.h>
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#include "packet-wap.h"
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#include "packet-wtls.h"
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/* File scoped variables for the protocol and registered fields */
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static int proto_wtls = HF_EMPTY;
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/* These fields used by fixed part of header */
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static int hf_wtls_record = HF_EMPTY;
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static int hf_wtls_record_type = HF_EMPTY;
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static int hf_wtls_record_length = HF_EMPTY;
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static int hf_wtls_record_sequence = HF_EMPTY;
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static int hf_wtls_record_ciphered = HF_EMPTY;
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static int hf_wtls_hands = HF_EMPTY;
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static int hf_wtls_hands_type = HF_EMPTY;
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static int hf_wtls_hands_length = HF_EMPTY;
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static int hf_wtls_hands_cli_hello = HF_EMPTY;
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static int hf_wtls_hands_cli_hello_version = HF_EMPTY;
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static int hf_wtls_hands_cli_hello_gmt = HF_EMPTY;
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static int hf_wtls_hands_cli_hello_random = HF_EMPTY;
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static int hf_wtls_hands_cli_hello_session = HF_EMPTY;
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static int hf_wtls_hands_cli_hello_session_str = HF_EMPTY;
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static int hf_wtls_hands_cli_hello_cli_key_id = HF_EMPTY;
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static int hf_wtls_hands_cli_hello_cli_key_len = HF_EMPTY;
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static int hf_wtls_hands_cli_hello_trust_key_id = HF_EMPTY;
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static int hf_wtls_hands_cli_hello_key_exchange =HF_EMPTY;
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static int hf_wtls_hands_cli_hello_key_exchange_suite =HF_EMPTY;
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static int hf_wtls_hands_cli_hello_key_parameter_index =HF_EMPTY;
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static int hf_wtls_hands_cli_hello_key_parameter_set =HF_EMPTY;
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static int hf_wtls_hands_cli_hello_key_identifier_type =HF_EMPTY;
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static int hf_wtls_hands_cli_hello_key_identifier_charset =HF_EMPTY;
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static int hf_wtls_hands_cli_hello_key_identifier_size =HF_EMPTY;
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static int hf_wtls_hands_cli_hello_key_identifier =HF_EMPTY;
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static int hf_wtls_hands_cli_hello_key_identifier_str =HF_EMPTY;
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static int hf_wtls_hands_cli_hello_cipher_suite =HF_EMPTY;
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static int hf_wtls_hands_cli_hello_cipher_suite_item =HF_EMPTY;
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static int hf_wtls_hands_cli_hello_compression_methods =HF_EMPTY;
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static int hf_wtls_hands_cli_hello_compression =HF_EMPTY;
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static int hf_wtls_hands_cli_hello_sequence_mode =HF_EMPTY;
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static int hf_wtls_hands_cli_hello_key_refresh =HF_EMPTY;
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static int hf_wtls_hands_serv_hello = HF_EMPTY;
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static int hf_wtls_hands_serv_hello_version = HF_EMPTY;
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static int hf_wtls_hands_serv_hello_gmt = HF_EMPTY;
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static int hf_wtls_hands_serv_hello_random = HF_EMPTY;
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static int hf_wtls_hands_serv_hello_session = HF_EMPTY;
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static int hf_wtls_hands_serv_hello_session_str = HF_EMPTY;
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static int hf_wtls_hands_serv_hello_cli_key_id =HF_EMPTY;
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static int hf_wtls_hands_serv_hello_cipher_suite_item =HF_EMPTY;
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static int hf_wtls_hands_serv_hello_cipher_bulk =HF_EMPTY;
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static int hf_wtls_hands_serv_hello_cipher_mac =HF_EMPTY;
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static int hf_wtls_hands_serv_hello_compression =HF_EMPTY;
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static int hf_wtls_hands_serv_hello_sequence_mode =HF_EMPTY;
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static int hf_wtls_hands_serv_hello_key_refresh =HF_EMPTY;
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static int hf_wtls_hands_certificates =HF_EMPTY;
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static int hf_wtls_hands_certificate =HF_EMPTY;
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static int hf_wtls_hands_certificate_type =HF_EMPTY;
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static int hf_wtls_hands_certificate_wtls_version =HF_EMPTY;
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static int hf_wtls_hands_certificate_wtls_signature_type =HF_EMPTY;
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static int hf_wtls_hands_certificate_wtls_issuer_type =HF_EMPTY;
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static int hf_wtls_hands_certificate_wtls_issuer_charset =HF_EMPTY;
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static int hf_wtls_hands_certificate_wtls_issuer_size =HF_EMPTY;
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static int hf_wtls_hands_certificate_wtls_issuer_name =HF_EMPTY;
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static int hf_wtls_hands_certificate_wtls_valid_not_before =HF_EMPTY;
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static int hf_wtls_hands_certificate_wtls_valid_not_after =HF_EMPTY;
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static int hf_wtls_hands_certificate_wtls_subject_type =HF_EMPTY;
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static int hf_wtls_hands_certificate_wtls_subject_charset =HF_EMPTY;
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static int hf_wtls_hands_certificate_wtls_subject_size = HF_EMPTY;
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static int hf_wtls_hands_certificate_wtls_subject_name = HF_EMPTY;
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static int hf_wtls_hands_certificate_wtls_public_key_type = HF_EMPTY;
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static int hf_wtls_hands_certificate_wtls_key_parameter_index = HF_EMPTY;
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static int hf_wtls_hands_certificate_wtls_key_parameter_set = HF_EMPTY;
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static int hf_wtls_hands_certificate_wtls_rsa_exponent = HF_EMPTY;
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static int hf_wtls_hands_certificate_wtls_rsa_modules = HF_EMPTY;
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static int hf_wtls_hands_certificate_wtls_signature = HF_EMPTY;
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static int hf_wtls_alert = HF_EMPTY;
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static int hf_wtls_alert_level = HF_EMPTY;
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static int hf_wtls_alert_description = HF_EMPTY;
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/* Initialize the subtree pointers */
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static gint ett_wtls = ETT_EMPTY;
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static gint ett_wtls_rec = ETT_EMPTY;
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static gint ett_wtls_msg_type = ETT_EMPTY;
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static gint ett_wtls_msg_type_item = ETT_EMPTY;
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static gint ett_wtls_msg_type_item_sub = ETT_EMPTY;
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static gint ett_wtls_msg_type_item_sub_sub = ETT_EMPTY;
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static const value_string wtls_vals_record_type[] = {
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{ 1, "change_cipher_data" },
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{ 2, "alert" },
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{ 3, "handshake" },
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{ 4, "application_data" },
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{ 0, NULL }
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};
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static const value_string wtls_vals_cipher_bulk[] = {
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{ 0, "Null" },
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{ 1, "RC5 CBC 40" },
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{ 2, "RC5 CBC 56" },
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{ 3, "RC5 CBC" },
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{ 4, "DES CBC 40" },
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{ 5, "DES CBC" },
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{ 6, "3DES CBC cwEDE40" },
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{ 7, "IDEA CBC 40" },
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{ 8, "IDEA CBC 56" },
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{ 9, "IDEA CBC" },
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{ 0, NULL }
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};
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static const value_string wtls_vals_cipher_mac[] = {
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{ 0, "SHA 0" },
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{ 1, "SHA 40 " },
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{ 2, "SHA 80" },
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{ 3, "SHA" },
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{ 4, "SHA XOR 40" },
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{ 5, "MD5 40" },
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{ 6, "MD5 80" },
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{ 7, "MD5" },
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{ 0, NULL }
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};
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static const value_string wtls_vals_handshake_type[] = {
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{ 0, "Hello Request" },
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{ 1, "Client Hello" },
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{ 2, "Server Hello" },
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{ 11, "Certificate" },
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{ 12, "Server Key Exchange" },
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{ 13, "Certificate Request" },
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{ 14, "Server Hello Done" },
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{ 15, "Certificate Verify" },
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{ 16, "Client Key Exchange" },
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{ 20, "Finished" },
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{ 0x00, NULL }
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};
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static const value_string wtls_vals_key_exchange_suite[] = {
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{ 0, "NULL" },
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{ 1, "Shared Secret" },
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{ 2, "Diffie Hellman Anonymous" },
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{ 3, "Diffie Hellman Anonymous 512" },
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{ 4, "Diffie Hellman Anonymous 768" },
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{ 5, "RSA Anonymous" },
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{ 6, "RSA Anonymous 512" },
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{ 7, "RSA Anonymous 768" },
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{ 8, "RSA" },
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{ 9, "RSA 512" },
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{ 10, "RSA 768" },
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{ 11, "EC Diffie Hellman Anonymous" },
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{ 12, "EC Diffie Hellman Anonymous 113" },
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{ 13, "EC Diffie Hellman Anonymous 131" },
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{ 14, "EC Diffie Hellman ECDSA" },
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{ 15, "EC Diffie Hellman Anonymous Uncomp" },
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{ 16, "EC Diffie Hellman Anonymous Uncomp 113" },
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{ 17, "EC Diffie Hellman Anonymous Uncomp 131" },
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{ 18, "EC Diffie Hellman ECDSA Uncomp" },
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{ 0x00, NULL }
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};
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static const value_string wtls_vals_identifier_type[] = {
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{ 0, "No identifier" },
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{ 1, "Textual Name" },
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{ 2, "Binary Name" },
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{ 254, "SHA-1 Hash of Public Key" },
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{ 255, "x509 Distinguished Name" },
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{ 0x00, NULL }
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};
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static const value_string wtls_vals_certificate_type[] = {
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{ 1, "WTLS" },
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{ 2, "X.509" },
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{ 3, "X.968" },
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{ 4, "URL" },
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{ 0x00, NULL }
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};
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static const value_string wtls_vals_compression[] = {
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{ 0, "Null" },
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{ 0x00, NULL }
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};
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static const value_string wtls_vals_sequence_mode[] = {
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{ 0, "Off" },
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{ 1, "Implicit" },
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{ 2, "Explicit" },
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{ 0x00, NULL }
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};
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static const value_string wtls_vals_certificate_signature[] = {
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{ 0, "Anonymous" },
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{ 1, "ECDSA_SHA" },
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{ 2, "RSA_SHA" },
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{ 0x00, NULL }
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};
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static const value_string wtls_vals_public_key_type[] = {
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{ 2, "RSA" },
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{ 3, "ECDH" },
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{ 4, "ECSA" },
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{ 0x00, NULL }
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};
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static const value_string wtls_vals_alert_level[] = {
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{ 1, "Warning" },
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{ 2, "Critical" },
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{ 3, "Fatal" },
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{ 0x00, NULL }
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};
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static const value_string wtls_vals_alert_description[] = {
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{ 0,"connection_close_notify"},
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{ 1,"session_close_notify"},
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{ 5,"no_connection"},
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{ 10,"unexpected_message"},
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{ 11,"time_required"},
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{ 20,"bad_record_mac"},
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{ 21,"decryption_failed"},
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{ 22,"record_overflow"},
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{ 30,"decompression_failure"},
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{ 40,"handshake_failure"},
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{ 42,"bad_certificate"},
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{ 43,"unsupported_certificate"},
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{ 44,"certificate_revoked"},
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{ 45,"certificate_expired"},
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{ 46,"certificate_unknown"},
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{ 47,"illegal_parameter"},
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{ 48,"unknown_ca"},
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{ 49,"access_denied"},
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{ 50,"decode_error"},
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{ 51,"decrypt_error"},
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{ 52,"unknown_key_id"},
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{ 53,"disabled_key_id"},
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{ 54,"key_exchange_disabled"},
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{ 55,"session_not_ready"},
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{ 56,"unknown_parameter_index"},
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{ 57,"duplicate_finished_received"},
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{ 60,"export_restriction"},
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{ 70,"protocol_version"},
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{ 71,"insufficient_security"},
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{ 80,"internal_error"},
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{ 90,"user_canceled"},
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{ 100,"no_renegotiation"},
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{ 0x00, NULL }
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};
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#define WTLS_RECORD_TYPE_LENGTH 0x80
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#define WTLS_RECORD_TYPE_SEQUENCE 0x40
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#define WTLS_RECORD_TYPE_CIPHER_CUR 0x20
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#define WTLS_RECORD_CONTENT_TYPE 0x0f
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#define WTLS_ALERT 0x02
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#define WTLS_PLAIN_HANDSHAKE 0x03
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#define WTLS_HANDSHAKE_CLIENT_HELLO 1
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#define WTLS_HANDSHAKE_SERVER_HELLO 2
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#define WTLS_HANDSHAKE_CERTIFICATE 11
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#define CERTIFICATE_WTLS 1
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#define CERTIFICATE_X509 2
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#define CERTIFICATE_X968 3
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#define CERTIFICATE_URL 4
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#define IDENTIFIER_NULL 0
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#define IDENTIFIER_TEXT 1
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#define IDENTIFIER_BIN 2
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#define IDENTIFIER_SHA_1 254
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#define IDENTIFIER_X509 255
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#define PUBLIC_KEY_RSA 2
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#define PUBLIC_KEY_ECDH 3
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#define PUBLIC_KEY_ECDSA 4
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static void dissect_wtls_handshake (proto_tree *, tvbuff_t *, guint, guint);
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/* Code to actually dissect the packets */
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static void
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dissect_wtls(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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int offset = 0;
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char pdut;
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char pdu_msg_type;
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guint count = 0;
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guint offset_wtls = 0;
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/* Set up structures we will need to add the protocol subtree and manage it */
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proto_item *ti;
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proto_tree *wtls_tree;
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proto_tree *wtls_rec_tree;
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proto_tree *wtls_msg_type_tree;
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if (check_col(pinfo->cinfo, COL_PROTOCOL))
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{
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switch ( pinfo->match_port )
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{
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case UDP_PORT_WTLS_WSP:
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "WTLS+WSP" );
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break;
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case UDP_PORT_WTLS_WTP_WSP:
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "WTLS+WTP+WSP" );
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break;
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}
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}
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/* Develop the string to put in the Info column */
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if (check_col(pinfo->cinfo, COL_INFO)) {
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col_set_str(pinfo->cinfo, COL_INFO, "WTLS" );
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};
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/* In the interest of speed, if "tree" is NULL, don't do any work not
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necessary to generate protocol tree items. */
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if (tree) {
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ti = proto_tree_add_item(tree, proto_wtls, tvb, offset_wtls,
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-1, bo_little_endian);
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wtls_tree = proto_item_add_subtree(ti, ett_wtls);
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for (offset_wtls=0; offset_wtls < (tvb_reported_length(tvb)-1);) {
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pdut = tvb_get_guint8 (tvb, offset_wtls);
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offset = offset_wtls+1;
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if (pdut & WTLS_RECORD_TYPE_SEQUENCE) {
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offset+=2;
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}
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if (pdut & WTLS_RECORD_TYPE_LENGTH) {
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count = tvb_get_ntohs(tvb, offset);
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offset+=2;
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count += offset-offset_wtls;
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}
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else {
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count = tvb_length_remaining (tvb, offset_wtls);
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}
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ti = proto_tree_add_uint(wtls_tree, hf_wtls_record, tvb, offset_wtls,
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count, pdut);
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wtls_rec_tree = proto_item_add_subtree(ti, ett_wtls_rec);
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offset = offset_wtls;
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ti = proto_tree_add_item (wtls_rec_tree, hf_wtls_record_type,
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tvb,offset,1,bo_big_endian);
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offset++;
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offset_wtls += count;
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if (pdut & WTLS_RECORD_TYPE_SEQUENCE) {
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ti = proto_tree_add_item (wtls_rec_tree, hf_wtls_record_sequence,
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tvb,offset,2,bo_big_endian);
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offset+=2;
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}
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if (pdut & WTLS_RECORD_TYPE_LENGTH) {
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count = tvb_get_ntohs(tvb, offset);
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ti = proto_tree_add_item (wtls_rec_tree, hf_wtls_record_length,
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tvb,offset,2,bo_big_endian);
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offset+=2;
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}
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else {
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count = tvb_length_remaining (tvb, offset);
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}
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if (pdut & WTLS_RECORD_TYPE_CIPHER_CUR) {
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ti = proto_tree_add_item (wtls_rec_tree, hf_wtls_record_ciphered,
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tvb,offset,count,bo_big_endian);
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continue;
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}
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switch (pdut & WTLS_RECORD_CONTENT_TYPE) {
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case WTLS_PLAIN_HANDSHAKE :
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dissect_wtls_handshake(wtls_rec_tree,tvb,offset,count);
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break;
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case WTLS_ALERT :
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ti = proto_tree_add_item(wtls_rec_tree, hf_wtls_alert, tvb, offset,
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count, bo_little_endian);
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wtls_msg_type_tree = proto_item_add_subtree(ti, ett_wtls_msg_type);
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pdu_msg_type = tvb_get_guint8 (tvb, offset);
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ti = proto_tree_add_item (wtls_msg_type_tree, hf_wtls_alert_level,
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tvb,offset,1,bo_big_endian);
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offset+=1;
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count = tvb_get_ntohs (tvb, offset);
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ti = proto_tree_add_item (wtls_msg_type_tree, hf_wtls_alert_description,
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tvb,offset,1,bo_big_endian);
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offset+=1;
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default:
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offset+=count;
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break;
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}
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}
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}
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|
}
|
|
|
|
static int
|
|
add_text_identifier(tvbuff_t *tvb, int offset, int hf_charset,
|
|
int hf_size, int hf_str, proto_tree *tree)
|
|
{
|
|
guint8 size;
|
|
int client_size = 0;
|
|
|
|
proto_tree_add_item(tree, hf_charset, tvb, offset, 2, bo_big_endian);
|
|
offset+=2;
|
|
size = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item(tree, hf_size, tvb, offset, 1, bo_big_endian);
|
|
offset++;
|
|
proto_tree_add_item(tree, hf_str, tvb, offset, size, bo_big_endian);
|
|
offset+=size;
|
|
client_size+=size+3;
|
|
#ifdef DEBUG
|
|
fprintf(stderr, "text id size = %d, client_size = %d\n",
|
|
size, client_size);
|
|
#endif /* DEBUG */
|
|
return client_size;
|
|
}
|
|
|
|
static void
|
|
dissect_wtls_handshake(proto_tree *tree, tvbuff_t *tvb, guint offset, guint count)
|
|
{
|
|
char pdu_msg_type;
|
|
nstime_t timeValue;
|
|
int client_size = 0;
|
|
guint value = 0;
|
|
int size = 0;
|
|
guint public_key = 0;
|
|
guint signature = 0;
|
|
char valStr[1024];
|
|
char *valBulk = NULL;
|
|
char *valMac = NULL;
|
|
|
|
proto_item *ti;
|
|
proto_item *cli_key_item;
|
|
proto_tree *wtls_msg_type_tree;
|
|
proto_tree *wtls_msg_type_item_tree;
|
|
proto_tree *wtls_msg_type_item_sub_tree;
|
|
proto_tree *wtls_msg_type_item_sub_sub_tree;
|
|
|
|
pdu_msg_type = tvb_get_guint8 (tvb, offset);
|
|
ti = proto_tree_add_uint(tree, hf_wtls_hands, tvb, offset,count, pdu_msg_type);
|
|
wtls_msg_type_tree = proto_item_add_subtree(ti, ett_wtls_msg_type);
|
|
|
|
ti = proto_tree_add_item (wtls_msg_type_tree, hf_wtls_hands_type,
|
|
tvb,offset,1,bo_big_endian);
|
|
offset+=1;
|
|
count = tvb_get_ntohs (tvb, offset);
|
|
ti = proto_tree_add_item (wtls_msg_type_tree, hf_wtls_hands_length,
|
|
tvb,offset,2,bo_big_endian);
|
|
offset+=2;
|
|
switch(pdu_msg_type) {
|
|
case WTLS_HANDSHAKE_CLIENT_HELLO :
|
|
ti = proto_tree_add_item(wtls_msg_type_tree, hf_wtls_hands_cli_hello, tvb, offset,
|
|
count, bo_little_endian);
|
|
wtls_msg_type_item_tree = proto_item_add_subtree(ti, ett_wtls_msg_type_item);
|
|
ti = proto_tree_add_item (wtls_msg_type_item_tree, hf_wtls_hands_cli_hello_version,
|
|
tvb,offset,1,bo_big_endian);
|
|
offset++;
|
|
timeValue.secs = tvb_get_ntohl (tvb, offset);
|
|
timeValue.nsecs = 0;
|
|
ti = proto_tree_add_time (wtls_msg_type_item_tree, hf_wtls_hands_cli_hello_gmt, tvb,
|
|
offset, 4, &timeValue);
|
|
offset+=4;
|
|
ti = proto_tree_add_item (wtls_msg_type_item_tree, hf_wtls_hands_cli_hello_random,
|
|
tvb,offset,12,bo_big_endian);
|
|
offset+=12;
|
|
count = tvb_get_guint8(tvb, offset);
|
|
switch(count) {
|
|
case 0:
|
|
ti = proto_tree_add_string (wtls_msg_type_item_tree, hf_wtls_hands_cli_hello_session_str,
|
|
tvb,offset,count+1,"NULL");
|
|
break;
|
|
case 1 :
|
|
ti = proto_tree_add_uint (wtls_msg_type_item_tree, hf_wtls_hands_cli_hello_session,
|
|
tvb,offset,count+1,tvb_get_guint8(tvb,offset+1));
|
|
break;
|
|
case 2 :
|
|
ti = proto_tree_add_uint (wtls_msg_type_item_tree, hf_wtls_hands_cli_hello_session,
|
|
tvb,offset,count+1,tvb_get_ntohs(tvb,offset+1));
|
|
break;
|
|
case 3 :
|
|
ti = proto_tree_add_uint (wtls_msg_type_item_tree, hf_wtls_hands_cli_hello_session,
|
|
tvb,offset,count+1,tvb_get_ntoh24(tvb,offset+1));
|
|
break;
|
|
case 4 :
|
|
ti = proto_tree_add_uint (wtls_msg_type_item_tree, hf_wtls_hands_cli_hello_session,
|
|
tvb,offset,count+1,tvb_get_ntohl(tvb,offset+1));
|
|
break;
|
|
default:
|
|
ti = proto_tree_add_string (wtls_msg_type_item_tree, hf_wtls_hands_cli_hello_session_str,
|
|
tvb,offset,count+1,"Too big");
|
|
break;
|
|
}
|
|
offset+=1+count;
|
|
|
|
/* process client_key_ids structure */
|
|
count = tvb_get_ntohs (tvb, offset);
|
|
ti = proto_tree_add_item(wtls_msg_type_item_tree,
|
|
hf_wtls_hands_cli_hello_cli_key_id, tvb, offset,
|
|
count+2, bo_little_endian);
|
|
wtls_msg_type_item_sub_tree = proto_item_add_subtree(ti, ett_wtls_msg_type_item_sub);
|
|
|
|
/* display length of client_key_ids structure */
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_cli_hello_cli_key_len,
|
|
tvb,offset,2,bo_big_endian);
|
|
offset+=2;
|
|
|
|
/* cycle through client_key_ids entries */
|
|
for (;count > 0;count-=client_size) {
|
|
/* get encryption suite id (one byte) */
|
|
value = tvb_get_guint8 (tvb, offset);
|
|
cli_key_item = proto_tree_add_uint(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_exchange, tvb, offset,1,
|
|
value);
|
|
client_size=1;
|
|
wtls_msg_type_item_sub_sub_tree = proto_item_add_subtree(cli_key_item,
|
|
ett_wtls_msg_type_item_sub_sub);
|
|
ti = proto_tree_add_uint(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_exchange_suite,
|
|
tvb,offset,1,value);
|
|
offset++;
|
|
#ifdef DEBUG
|
|
fprintf(stderr, "encryption suite = %d, client_size = %d\n", value, client_size);
|
|
#endif /* DEBUG */
|
|
|
|
/* get parameter index (one byte) */
|
|
value = tvb_get_guint8 (tvb, offset);
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_parameter_index,
|
|
tvb,offset,1,bo_big_endian);
|
|
offset++;
|
|
client_size++;
|
|
#ifdef DEBUG
|
|
fprintf(stderr, "parameter index = %d, client_size = %d\n", value, client_size);
|
|
#endif /* DEBUG */
|
|
|
|
/* explicit parameters present in next field */
|
|
if (value == 0xff) {
|
|
size = tvb_get_ntohs (tvb, offset);
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_parameter_set,
|
|
tvb,offset,size+2,bo_big_endian);
|
|
offset+=size+2;
|
|
client_size+=size+2;
|
|
}
|
|
|
|
/* get identifier type */
|
|
value = tvb_get_guint8 (tvb, offset);
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_identifier_type,
|
|
tvb,offset,1,bo_big_endian);
|
|
offset++;
|
|
client_size++;
|
|
#ifdef DEBUG
|
|
fprintf(stderr, "identifier type = %d, client_size = %d\n", value, client_size);
|
|
#endif /* DEBUG */
|
|
|
|
/* identifier present in next field */
|
|
/* note: value 0x0 means no identifier */
|
|
switch(value) {
|
|
case IDENTIFIER_TEXT :
|
|
/* text identifier */
|
|
/* not tested */
|
|
size = add_text_identifier(
|
|
tvb, offset,
|
|
hf_wtls_hands_cli_hello_key_identifier_charset,
|
|
hf_wtls_hands_cli_hello_key_identifier_size,
|
|
hf_wtls_hands_cli_hello_key_identifier_str,
|
|
wtls_msg_type_item_sub_sub_tree);
|
|
offset += size;
|
|
client_size += size;
|
|
break;
|
|
case IDENTIFIER_BIN :
|
|
/* binary identifier */
|
|
size = tvb_get_guint8 (tvb, offset);
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_identifier_size,
|
|
tvb,offset,1,bo_big_endian);
|
|
offset++;
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_identifier,
|
|
tvb,offset,size,bo_big_endian);
|
|
offset+=size;
|
|
client_size+=size+1;
|
|
#ifdef DEBUG
|
|
fprintf(stderr, "binary id size = %d, client_size = %d\n",
|
|
size, client_size);
|
|
#endif /* DEBUG */
|
|
break;
|
|
case IDENTIFIER_SHA_1 :
|
|
/* SHA-1 hash of the public key */
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_identifier,
|
|
tvb,offset,20,bo_big_endian);
|
|
offset+=20;
|
|
client_size+=20;
|
|
#ifdef DEBUG
|
|
fprintf(stderr, "SHA-1 hash size = 20, client_size = %d\n",
|
|
client_size);
|
|
#endif /* DEBUG */
|
|
break;
|
|
case IDENTIFIER_X509 :
|
|
/* X.509 distinguished name */
|
|
/* not tested */
|
|
size = tvb_get_guint8 (tvb, offset);
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_identifier_size,
|
|
tvb,offset,1,bo_big_endian);
|
|
offset++;
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_identifier,
|
|
tvb,offset,size,bo_big_endian);
|
|
offset+=size;
|
|
client_size+=size+1;
|
|
#ifdef DEBUG
|
|
fprintf(stderr, "X.509 name size = %d, client_size = %d\n",
|
|
size, client_size);
|
|
#endif /* DEBUG */
|
|
break;
|
|
}
|
|
|
|
proto_item_set_len(cli_key_item, client_size);
|
|
}
|
|
|
|
/* process trusted_keys structure */
|
|
count = tvb_get_ntohs (tvb, offset);
|
|
ti = proto_tree_add_item(wtls_msg_type_item_tree,
|
|
hf_wtls_hands_cli_hello_trust_key_id, tvb, offset,
|
|
count+2, bo_little_endian);
|
|
wtls_msg_type_item_sub_tree = proto_item_add_subtree(ti, ett_wtls_msg_type_item_sub);
|
|
|
|
/* display length of trusted_keys structure */
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_cli_hello_cli_key_len,
|
|
tvb,offset,2,bo_big_endian);
|
|
|
|
offset+=2;
|
|
for (;count > 0;count-=client_size) {
|
|
/* get encryption suite id (one byte) */
|
|
value = tvb_get_guint8 (tvb, offset);
|
|
cli_key_item = proto_tree_add_uint(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_exchange, tvb, offset,1,
|
|
value);
|
|
client_size=1;
|
|
wtls_msg_type_item_sub_sub_tree = proto_item_add_subtree(cli_key_item,
|
|
ett_wtls_msg_type_item_sub_sub);
|
|
ti = proto_tree_add_uint(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_exchange_suite,
|
|
tvb,offset,1,value);
|
|
offset++;
|
|
#ifdef DEBUG
|
|
fprintf(stderr, "encryption suite = %d, client_size = %d\n", value, client_size);
|
|
#endif /* DEBUG */
|
|
|
|
/* get parameter index (one byte) */
|
|
value = tvb_get_guint8 (tvb, offset);
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_parameter_index,
|
|
tvb,offset,1,bo_big_endian);
|
|
offset++;
|
|
client_size++;
|
|
#ifdef DEBUG
|
|
fprintf(stderr, "parameter index = %d, client_size = %d\n", value, client_size);
|
|
#endif /* DEBUG */
|
|
|
|
/* explicit parameters present in next field */
|
|
if (value == 0xff) {
|
|
size = tvb_get_ntohs (tvb, offset);
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_parameter_set,
|
|
tvb,offset,size+2,bo_big_endian);
|
|
offset+=size+2;
|
|
client_size+=size+2;
|
|
}
|
|
|
|
/* get identifier type */
|
|
value = tvb_get_guint8 (tvb, offset);
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_identifier_type,
|
|
tvb,offset,1,bo_big_endian);
|
|
offset++;
|
|
client_size++;
|
|
#ifdef DEBUG
|
|
fprintf(stderr, "identifier type = %d, client_size = %d\n", value, client_size);
|
|
#endif /* DEBUG */
|
|
|
|
/* identifier present in next field */
|
|
/* note: value 0x0 means no identifier */
|
|
switch (value) {
|
|
case IDENTIFIER_TEXT :
|
|
/* text identifier */
|
|
/* not tested */
|
|
size = add_text_identifier(
|
|
tvb, offset,
|
|
hf_wtls_hands_cli_hello_key_identifier_charset,
|
|
hf_wtls_hands_cli_hello_key_identifier_size,
|
|
hf_wtls_hands_cli_hello_key_identifier_str,
|
|
wtls_msg_type_item_sub_sub_tree);
|
|
offset += size;
|
|
client_size += size;
|
|
break;
|
|
case IDENTIFIER_BIN :
|
|
/* binary identifier */
|
|
size = tvb_get_guint8 (tvb, offset);
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_identifier_size,
|
|
tvb,offset,1,bo_big_endian);
|
|
offset++;
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_identifier,
|
|
tvb,offset,size,bo_big_endian);
|
|
offset+=size;
|
|
client_size+=size+1;
|
|
#ifdef DEBUG
|
|
fprintf(stderr, "binary id size = %d, client_size = %d\n",
|
|
size, client_size);
|
|
#endif /* DEBUG */
|
|
break;
|
|
case IDENTIFIER_SHA_1 :
|
|
/* SHA-1 hash of the public key */
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_identifier,
|
|
tvb,offset,20,bo_big_endian);
|
|
offset+=20;
|
|
client_size+=20;
|
|
#ifdef DEBUG
|
|
fprintf(stderr, "SHA-1 hash size = 20, client_size = %d\n",
|
|
client_size);
|
|
#endif /* DEBUG */
|
|
break;
|
|
case IDENTIFIER_X509 :
|
|
/* X.509 distinguished name */
|
|
/* not tested */
|
|
size = tvb_get_guint8 (tvb, offset);
|
|
/* need to fetch identifier and display it */
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_identifier_size,
|
|
tvb,offset,1,bo_big_endian);
|
|
offset++;
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_identifier,
|
|
tvb,offset,size,bo_big_endian);
|
|
offset+=size;
|
|
client_size+=size+1;
|
|
#ifdef DEBUG
|
|
fprintf(stderr, "X.509 name size = %d, client_size = %d\n",
|
|
size, client_size);
|
|
#endif /* DEBUG */
|
|
break;
|
|
}
|
|
proto_item_set_len(cli_key_item, client_size);
|
|
}
|
|
|
|
/* process cipher_suites structure */
|
|
count = tvb_get_guint8 (tvb, offset);
|
|
ti = proto_tree_add_item(wtls_msg_type_item_tree,
|
|
hf_wtls_hands_cli_hello_cipher_suite, tvb, offset,
|
|
count+1, bo_little_endian);
|
|
wtls_msg_type_item_sub_tree = proto_item_add_subtree(ti, ett_wtls_msg_type_item_sub);
|
|
offset+=1;
|
|
for (;count > 0;count-=client_size) {
|
|
value = tvb_get_guint8 (tvb, offset);
|
|
valBulk = match_strval(value, wtls_vals_cipher_bulk);
|
|
offset++;
|
|
client_size=1;
|
|
valMac = match_strval(tvb_get_guint8 (tvb, offset), wtls_vals_cipher_mac);
|
|
if (valBulk != NULL)
|
|
{
|
|
if (valMac != NULL)
|
|
{
|
|
snprintf(valStr,1024,"%s, %s",valBulk,valMac);
|
|
}
|
|
else
|
|
{
|
|
snprintf(valStr,1024,"%s, Unknown MAC (0x%02x)",valBulk,tvb_get_guint8 (tvb, offset));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (valMac != NULL)
|
|
{
|
|
snprintf(valStr,1024,"Unknown Bulk (0x%02x), %s",value,valMac);
|
|
}
|
|
else
|
|
{
|
|
snprintf(valStr,1024,"Unknown Bulk (0x%02x), Unknown MAC (0x%02x)",value,
|
|
tvb_get_guint8 (tvb, offset));
|
|
}
|
|
}
|
|
offset++;
|
|
client_size++;
|
|
cli_key_item = proto_tree_add_string(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_cli_hello_cipher_suite_item, tvb, offset-2,2,
|
|
valStr);
|
|
}
|
|
count = tvb_get_guint8 (tvb, offset);
|
|
ti = proto_tree_add_item(wtls_msg_type_item_tree,
|
|
hf_wtls_hands_cli_hello_compression_methods, tvb, offset,
|
|
count+1, bo_little_endian);
|
|
wtls_msg_type_item_sub_tree = proto_item_add_subtree(ti, ett_wtls_msg_type_item_sub);
|
|
offset+=1;
|
|
for (;count > 0;count-=client_size) {
|
|
client_size=0;
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_cli_hello_compression, tvb, offset,1,
|
|
bo_little_endian);
|
|
offset++;
|
|
client_size++;
|
|
}
|
|
ti = proto_tree_add_item(wtls_msg_type_item_tree,
|
|
hf_wtls_hands_cli_hello_sequence_mode, tvb, offset,
|
|
1, bo_little_endian);
|
|
offset++;
|
|
ti = proto_tree_add_item(wtls_msg_type_item_tree,
|
|
hf_wtls_hands_cli_hello_key_refresh, tvb, offset,
|
|
1, bo_little_endian);
|
|
break;
|
|
case WTLS_HANDSHAKE_SERVER_HELLO :
|
|
ti = proto_tree_add_item(wtls_msg_type_tree, hf_wtls_hands_serv_hello, tvb, offset,
|
|
count, bo_little_endian);
|
|
wtls_msg_type_item_tree = proto_item_add_subtree(ti, ett_wtls_msg_type_item);
|
|
ti = proto_tree_add_item (wtls_msg_type_item_tree, hf_wtls_hands_serv_hello_version,
|
|
tvb,offset,1,bo_big_endian);
|
|
offset++;
|
|
timeValue.secs = tvb_get_ntohl (tvb, offset);
|
|
timeValue.nsecs = 0;
|
|
ti = proto_tree_add_time (wtls_msg_type_item_tree, hf_wtls_hands_serv_hello_gmt, tvb,
|
|
offset, 4, &timeValue);
|
|
offset+=4;
|
|
ti = proto_tree_add_item (wtls_msg_type_item_tree, hf_wtls_hands_serv_hello_random,
|
|
tvb,offset,12,bo_big_endian);
|
|
offset+=12;
|
|
count = tvb_get_guint8(tvb, offset);
|
|
switch(count) {
|
|
case 0:
|
|
ti = proto_tree_add_string (wtls_msg_type_item_tree, hf_wtls_hands_serv_hello_session_str,
|
|
tvb,offset,count+1,"NULL");
|
|
break;
|
|
case 1 :
|
|
ti = proto_tree_add_uint (wtls_msg_type_item_tree, hf_wtls_hands_serv_hello_session,
|
|
tvb,offset,count+1,tvb_get_guint8(tvb,offset+1));
|
|
break;
|
|
case 2 :
|
|
ti = proto_tree_add_uint (wtls_msg_type_item_tree, hf_wtls_hands_serv_hello_session,
|
|
tvb,offset,count+1,tvb_get_ntohs(tvb,offset+1));
|
|
break;
|
|
case 3 :
|
|
ti = proto_tree_add_uint (wtls_msg_type_item_tree, hf_wtls_hands_serv_hello_session,
|
|
tvb,offset,count+1,tvb_get_ntoh24(tvb,offset+1));
|
|
break;
|
|
case 4 :
|
|
ti = proto_tree_add_uint (wtls_msg_type_item_tree, hf_wtls_hands_serv_hello_session,
|
|
tvb,offset,count+1,tvb_get_ntohl(tvb,offset+1));
|
|
break;
|
|
default:
|
|
ti = proto_tree_add_string (wtls_msg_type_item_tree, hf_wtls_hands_serv_hello_session_str,
|
|
tvb,offset,count+1,"Too big");
|
|
break;
|
|
}
|
|
offset+=1+count;
|
|
ti = proto_tree_add_item(wtls_msg_type_item_tree,
|
|
hf_wtls_hands_serv_hello_cli_key_id,
|
|
tvb,offset,1,bo_big_endian);
|
|
offset++;
|
|
cli_key_item = proto_tree_add_item(wtls_msg_type_item_tree,
|
|
hf_wtls_hands_serv_hello_cipher_suite_item, tvb, offset,2,
|
|
bo_little_endian);
|
|
wtls_msg_type_item_sub_tree = proto_item_add_subtree(cli_key_item,
|
|
ett_wtls_msg_type_item_sub);
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_serv_hello_cipher_bulk,
|
|
tvb,offset,1,bo_big_endian);
|
|
offset++;
|
|
value = tvb_get_guint8 (tvb, offset);
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_serv_hello_cipher_mac,
|
|
tvb,offset,1,bo_big_endian);
|
|
offset++;
|
|
ti = proto_tree_add_item(wtls_msg_type_item_tree,
|
|
hf_wtls_hands_serv_hello_compression, tvb, offset,1,
|
|
bo_little_endian);
|
|
offset++;
|
|
ti = proto_tree_add_item(wtls_msg_type_item_tree,
|
|
hf_wtls_hands_serv_hello_sequence_mode, tvb, offset,
|
|
1, bo_little_endian);
|
|
offset++;
|
|
ti = proto_tree_add_item(wtls_msg_type_item_tree,
|
|
hf_wtls_hands_serv_hello_key_refresh, tvb, offset,
|
|
1, bo_little_endian);
|
|
offset++;
|
|
break;
|
|
case WTLS_HANDSHAKE_CERTIFICATE :
|
|
ti = proto_tree_add_item(wtls_msg_type_tree, hf_wtls_hands_certificates,
|
|
tvb, offset,count, bo_little_endian);
|
|
wtls_msg_type_item_tree = proto_item_add_subtree(ti, ett_wtls_msg_type_item);
|
|
count = tvb_get_ntohs (tvb, offset);
|
|
offset+=2;
|
|
for (;count > 0;count-=client_size) {
|
|
cli_key_item = proto_tree_add_item(wtls_msg_type_item_tree,
|
|
hf_wtls_hands_certificate, tvb, offset,1,
|
|
bo_little_endian);
|
|
client_size=0;
|
|
wtls_msg_type_item_sub_tree = proto_item_add_subtree(cli_key_item,
|
|
ett_wtls_msg_type_item_sub);
|
|
proto_item_set_len(cli_key_item, client_size);
|
|
value = tvb_get_guint8 (tvb, offset);
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_certificate_type, tvb, offset,1,
|
|
bo_little_endian);
|
|
offset++;
|
|
client_size++;
|
|
switch(value) {
|
|
case CERTIFICATE_WTLS:
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_certificate_wtls_version,
|
|
tvb, offset,1,
|
|
bo_little_endian);
|
|
offset++;
|
|
client_size++;
|
|
signature = tvb_get_guint8 (tvb, offset);
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_certificate_wtls_signature_type,
|
|
tvb, offset,1,
|
|
bo_little_endian);
|
|
offset++;
|
|
client_size++;
|
|
value = tvb_get_guint8 (tvb, offset);
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_certificate_wtls_issuer_type,
|
|
tvb, offset,1,
|
|
bo_little_endian);
|
|
offset++;
|
|
client_size++;
|
|
switch (value) {
|
|
case IDENTIFIER_NULL :
|
|
break;
|
|
case IDENTIFIER_TEXT :
|
|
value = add_text_identifier(tvb, offset,
|
|
hf_wtls_hands_certificate_wtls_issuer_charset,
|
|
hf_wtls_hands_certificate_wtls_issuer_size,
|
|
hf_wtls_hands_certificate_wtls_issuer_name,
|
|
wtls_msg_type_item_sub_tree);
|
|
offset += value;
|
|
client_size += value;
|
|
break;
|
|
case IDENTIFIER_BIN :
|
|
break;
|
|
case IDENTIFIER_SHA_1 :
|
|
break;
|
|
case IDENTIFIER_X509 :
|
|
break;
|
|
}
|
|
timeValue.secs = tvb_get_ntohl (tvb, offset);
|
|
timeValue.nsecs = 0;
|
|
ti = proto_tree_add_time (wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_certificate_wtls_valid_not_before,
|
|
tvb, offset, 4, &timeValue);
|
|
offset+=4;
|
|
client_size+=4;
|
|
timeValue.secs = tvb_get_ntohl (tvb, offset);
|
|
timeValue.nsecs = 0;
|
|
ti = proto_tree_add_time (wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_certificate_wtls_valid_not_after,
|
|
tvb, offset, 4, &timeValue);
|
|
offset+=4;
|
|
client_size+=4;
|
|
value = tvb_get_guint8 (tvb, offset);
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_certificate_wtls_subject_type,
|
|
tvb, offset,1,
|
|
bo_little_endian);
|
|
offset++;
|
|
client_size++;
|
|
switch (value) {
|
|
case IDENTIFIER_NULL :
|
|
break;
|
|
case IDENTIFIER_TEXT :
|
|
value = add_text_identifier(tvb, offset,
|
|
hf_wtls_hands_certificate_wtls_subject_charset,
|
|
hf_wtls_hands_certificate_wtls_subject_size,
|
|
hf_wtls_hands_certificate_wtls_subject_name,
|
|
wtls_msg_type_item_sub_tree);
|
|
offset += value;
|
|
client_size += value;
|
|
break;
|
|
case IDENTIFIER_BIN :
|
|
break;
|
|
case IDENTIFIER_SHA_1 :
|
|
break;
|
|
case IDENTIFIER_X509 :
|
|
break;
|
|
}
|
|
public_key = tvb_get_guint8 (tvb, offset);
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_certificate_wtls_public_key_type,
|
|
tvb, offset,1,
|
|
bo_little_endian);
|
|
offset++;
|
|
client_size++;
|
|
value = tvb_get_guint8 (tvb, offset);
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_certificate_wtls_key_parameter_index,
|
|
tvb,offset,1,bo_big_endian);
|
|
offset++;
|
|
client_size++;
|
|
if (value == 0xff) {
|
|
size = tvb_get_ntohs (tvb, offset);
|
|
ti = proto_tree_add_item(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_certificate_wtls_key_parameter_set,
|
|
tvb,offset,size+2,bo_big_endian);
|
|
offset+=size+2;
|
|
client_size+=size+2;
|
|
}
|
|
switch (public_key) {
|
|
case PUBLIC_KEY_RSA :
|
|
value = tvb_get_ntohs (tvb, offset);
|
|
ti = proto_tree_add_uint(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_certificate_wtls_rsa_exponent,
|
|
tvb,offset,value+2,value*8);
|
|
offset+=2+value;
|
|
client_size+=2+value;
|
|
value = tvb_get_ntohs (tvb, offset);
|
|
ti = proto_tree_add_uint(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_certificate_wtls_rsa_modules,
|
|
tvb,offset,value+2,value*8);
|
|
offset+=2+value;
|
|
client_size+=2+value;
|
|
break;
|
|
case PUBLIC_KEY_ECDH :
|
|
break;
|
|
case PUBLIC_KEY_ECDSA :
|
|
break;
|
|
}
|
|
value = tvb_get_ntohs (tvb, offset);
|
|
ti = proto_tree_add_uint(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_certificate_wtls_signature,
|
|
tvb,offset,2+value,value*8);
|
|
offset+=2+value;
|
|
client_size+=2+value;
|
|
break;
|
|
case CERTIFICATE_X509:
|
|
case CERTIFICATE_X968:
|
|
value = tvb_get_ntohs (tvb, offset);
|
|
offset+=2;
|
|
client_size+=2;
|
|
client_size += value;
|
|
offset += value;
|
|
break;
|
|
case CERTIFICATE_URL:
|
|
value = tvb_get_guint8 (tvb, offset);
|
|
offset++;
|
|
client_size++;
|
|
client_size += value;
|
|
offset += value;
|
|
break;
|
|
}
|
|
proto_item_set_len(cli_key_item, client_size);
|
|
}
|
|
break;
|
|
default:
|
|
offset+=count;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Register the protocol with Ethereal */
|
|
void
|
|
proto_register_wtls(void)
|
|
{
|
|
|
|
/* Setup list of header fields */
|
|
static hf_register_info hf[] = {
|
|
{ &hf_wtls_record,
|
|
{ "Record",
|
|
"wtls.record",
|
|
FT_UINT8, BASE_DEC, VALS ( wtls_vals_record_type ), 0x0f,
|
|
"Record", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_record_type,
|
|
{ "Record Type",
|
|
"wtls.rec_type",
|
|
FT_UINT8, BASE_DEC, VALS ( wtls_vals_record_type ), 0x0f,
|
|
"Record Type", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_record_length,
|
|
{ "Record Length",
|
|
"wtls.rec_length",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
"Record Length", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_record_sequence,
|
|
{ "Record Sequence",
|
|
"wtls.rec_seq",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
"Record Sequence", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_record_ciphered,
|
|
{ "Record Ciphered",
|
|
"wtls.rec_cipher",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
"Record Ciphered", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands,
|
|
{ "Handshake",
|
|
"wtls.handshake",
|
|
FT_UINT8, BASE_DEC, VALS ( wtls_vals_handshake_type ), 0x00,
|
|
"Handshake", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_type,
|
|
{ "Type",
|
|
"wtls.handshake.type",
|
|
FT_UINT8, BASE_DEC, VALS ( wtls_vals_handshake_type ), 0x00,
|
|
"Type", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_length,
|
|
{ "Length",
|
|
"wtls.handshake.length",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
"Length", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello,
|
|
{ "Client Hello",
|
|
"wtls.handshake.client_hello",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
"Client Hello", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_version,
|
|
{ "Version",
|
|
"wtls.handshake.client_hello.version",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
"Version", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_gmt,
|
|
{ "Time GMT",
|
|
"wtls.handshake.client_hello.gmt",
|
|
FT_ABSOLUTE_TIME, BASE_NONE, NULL, 0x00,
|
|
"Time GMT", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_random,
|
|
{ "Random",
|
|
"wtls.handshake.client_hello.random",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
"Random", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_session,
|
|
{ "Session ID",
|
|
"wtls.handshake.client_hello.sessionid",
|
|
FT_UINT32, BASE_DEC, NULL, 0x00,
|
|
"Session ID", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_session_str,
|
|
{ "Session ID",
|
|
"wtls.handshake.client_hello.session.str",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
"Session ID", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_cli_key_id,
|
|
{ "Client Keys",
|
|
"wtls.handshake.client_hello.client_keys_id",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
"Client Keys" , HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_cli_key_len,
|
|
{ "Length",
|
|
"wtls.handshake.client_hello.client_keys_len",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
"Length" , HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_trust_key_id,
|
|
{ "Trusted Keys",
|
|
"wtls.handshake.client_hello.trusted_keys_id",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
"Trusted Keys" , HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_key_exchange,
|
|
{ "Key Exchange",
|
|
"wtls.handshake.client_hello.key.key_exchange",
|
|
FT_UINT8, BASE_DEC, VALS ( wtls_vals_key_exchange_suite ), 0x00,
|
|
"Key Exchange", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_key_exchange_suite,
|
|
{ "Suite",
|
|
"wtls.handshake.client_hello.key.key_exchange.suite",
|
|
FT_UINT8, BASE_DEC, VALS ( wtls_vals_key_exchange_suite ), 0x00,
|
|
"Suite", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_key_parameter_index,
|
|
{ "Parameter Index",
|
|
"wtls.handshake.client_hello.parameter_index",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
"Parameter Index", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_key_parameter_set,
|
|
{ "Parameter Set",
|
|
"wtls.handshake.client_hello.parameter",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
"Parameter Set", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_key_identifier_type,
|
|
{ "Identifier Type",
|
|
"wtls.handshake.client_hello.ident_type",
|
|
FT_UINT8, BASE_DEC, VALS ( wtls_vals_identifier_type ), 0x00,
|
|
"Identifier Type", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_key_identifier_charset,
|
|
{ "Identifier CharSet",
|
|
"wtls.handshake.client_hello.ident_charset",
|
|
FT_UINT16, BASE_HEX, VALS ( vals_character_sets ), 0x00,
|
|
"Identifier CharSet", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_key_identifier_size,
|
|
{ "Identifier Size",
|
|
"wtls.handshake.client_hello.ident_size",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
"Identifier Size", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_key_identifier,
|
|
{ "Identifier",
|
|
"wtls.handshake.client_hello.identifier",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
"Identifier", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_key_identifier_str,
|
|
{ "Identifier Name",
|
|
"wtls.handshake.client_hello.ident_name",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
"Identifier Name", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_cipher_suite,
|
|
{ "Cipher Suites",
|
|
"wtls.handshake.client_hello.ciphers",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
"Cipher Suite", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_cipher_suite_item,
|
|
{ "Cipher",
|
|
"wtls.handshake.client_hello.cipher",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
"Cipher", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_compression_methods,
|
|
{ "Compression Methods",
|
|
"wtls.handshake.client_hello.comp_methods",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
"Compression Methods", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_compression,
|
|
{ "Compression",
|
|
"wtls.handshake.client_hello.compression",
|
|
FT_UINT8, BASE_HEX, VALS ( wtls_vals_compression ), 0x00,
|
|
"Compression", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_sequence_mode,
|
|
{ "Sequence Mode",
|
|
"wtls.handshake.client_hello.sequence_mode",
|
|
FT_UINT8, BASE_DEC, VALS ( wtls_vals_sequence_mode ), 0x00,
|
|
"Sequence Mode", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_key_refresh,
|
|
{ "Refresh",
|
|
"wtls.handshake.client_hello.refresh",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
"Refresh", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_serv_hello,
|
|
{ "Server Hello",
|
|
"wtls.handshake.server_hello",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
"Server Hello", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_serv_hello_version,
|
|
{ "Version",
|
|
"wtls.handshake.server_hello.version",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
"Version", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_serv_hello_gmt,
|
|
{ "Time GMT",
|
|
"wtls.handshake.server_hello.gmt",
|
|
FT_ABSOLUTE_TIME, BASE_NONE, NULL, 0x00,
|
|
"Time GMT", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_serv_hello_random,
|
|
{ "Random",
|
|
"wtls.handshake.server_hello.random",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
"Random", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_serv_hello_session,
|
|
{ "Session ID",
|
|
"wtls.handshake.server_hello.sessionid",
|
|
FT_UINT32, BASE_DEC, NULL, 0x00,
|
|
"Session ID", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_serv_hello_session_str,
|
|
{ "Session ID",
|
|
"wtls.handshake.server_hello.session.str",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
"Session ID", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_serv_hello_cli_key_id,
|
|
{ "Client Key ID",
|
|
"wtls.handshake.server_hello.key",
|
|
FT_UINT8, BASE_HEX, NULL, 0x00,
|
|
"Client Key ID", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_serv_hello_cipher_suite_item,
|
|
{ "Cipher",
|
|
"wtls.handshake.server_hello.cipher",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
"Cipher", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_serv_hello_cipher_bulk,
|
|
{ "Cipher Bulk",
|
|
"wtls.handshake.server_hello.cipher.bulk",
|
|
FT_UINT8, BASE_DEC, VALS ( wtls_vals_cipher_bulk ), 0x00,
|
|
"Cipher Bulk", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_serv_hello_cipher_mac,
|
|
{ "Cipher MAC",
|
|
"wtls.handshake.server_hello.cipher.mac",
|
|
FT_UINT8, BASE_DEC, VALS ( wtls_vals_cipher_mac ), 0x00,
|
|
"Cipher MAC", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_serv_hello_compression,
|
|
{ "Compression",
|
|
"wtls.handshake.server_hello.compression",
|
|
FT_UINT8, BASE_HEX, VALS ( wtls_vals_compression ), 0x00,
|
|
"Compression", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_serv_hello_sequence_mode,
|
|
{ "Sequence Mode",
|
|
"wtls.handshake.server_hello.sequence_mode",
|
|
FT_UINT8, BASE_DEC, VALS ( wtls_vals_sequence_mode ), 0x00,
|
|
"Sequence Mode", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_serv_hello_key_refresh,
|
|
{ "Refresh",
|
|
"wtls.handshake.server_hello.refresh",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
"Refresh", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificates,
|
|
{ "Certificates",
|
|
"wtls.handshake.certificates",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
"Certificates", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate,
|
|
{ "Certificate",
|
|
"wtls.handshake.certificate",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
"Certificate", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_type,
|
|
{ "Type",
|
|
"wtls.handshake.certificate.type",
|
|
FT_UINT8, BASE_DEC, VALS ( wtls_vals_certificate_type ), 0x00,
|
|
"Type", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_version,
|
|
{ "Version",
|
|
"wtls.handshake.certificate.version",
|
|
FT_UINT8, BASE_HEX, NULL, 0x00,
|
|
"Version", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_signature_type,
|
|
{ "Signature Type",
|
|
"wtls.handshake.certificate.signature.type",
|
|
FT_UINT8, BASE_DEC, VALS ( wtls_vals_certificate_signature ), 0x00,
|
|
"Signature Type", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_signature,
|
|
{ "Signature Size",
|
|
"wtls.handshake.certificate.signature.signature",
|
|
FT_UINT32, BASE_DEC, NULL, 0x00,
|
|
"Signature Size", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_issuer_type,
|
|
{ "Issuer",
|
|
"wtls.handshake.certificate.issuer.type",
|
|
FT_UINT8, BASE_DEC, VALS ( wtls_vals_identifier_type ), 0x00,
|
|
"Issuer", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_issuer_charset,
|
|
{ "Charset",
|
|
"wtls.handshake.certificate.issuer.charset",
|
|
FT_UINT16, BASE_HEX, VALS ( vals_character_sets ), 0x00,
|
|
"Charset", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_issuer_size,
|
|
{ "Size",
|
|
"wtls.handshake.certificate.issuer.size",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
"Size", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_issuer_name,
|
|
{ "Name",
|
|
"wtls.handshake.certificate.issuer.name",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
"Name", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_valid_not_before,
|
|
{ "Valid not before",
|
|
"wtls.handshake.certificate.before",
|
|
FT_ABSOLUTE_TIME, BASE_NONE, NULL, 0x00,
|
|
"Valid not before", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_valid_not_after,
|
|
{ "Valid not after",
|
|
"wtls.handshake.certificate.after",
|
|
FT_ABSOLUTE_TIME, BASE_NONE, NULL, 0x00,
|
|
"Valid not after", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_subject_type,
|
|
{ "Subject",
|
|
"wtls.handshake.certificate.subject.type",
|
|
FT_UINT8, BASE_DEC, VALS ( wtls_vals_identifier_type ), 0x00,
|
|
"Subject", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_subject_charset,
|
|
{ "Charset",
|
|
"wtls.handshake.certificate.subject.charset",
|
|
FT_UINT16, BASE_HEX, VALS ( vals_character_sets ), 0x00,
|
|
"Charset", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_subject_size,
|
|
{ "Size",
|
|
"wtls.handshake.certificate.subject.size",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
"Size", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_subject_name,
|
|
{ "Name",
|
|
"wtls.handshake.certificate.subject.name",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
"Name", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_public_key_type,
|
|
{ "Public Key Type",
|
|
"wtls.handshake.certificate.public.type",
|
|
FT_UINT8, BASE_DEC, VALS ( wtls_vals_public_key_type ), 0x00,
|
|
"Public Key Type", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_key_parameter_index,
|
|
{ "Parameter Index",
|
|
"wtls.handshake.certificate.parameter_index",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
"Parameter Index", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_key_parameter_set,
|
|
{ "Parameter Set",
|
|
"wtls.handshake.certificate.parameter",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
"Parameter Set", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_rsa_exponent,
|
|
{ "RSA Exponent Size",
|
|
"wtls.handshake.certificate.rsa.exponent",
|
|
FT_UINT32, BASE_DEC, NULL, 0x00,
|
|
"RSA Exponent Size", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_rsa_modules,
|
|
{ "RSA Modulus Size",
|
|
"wtls.handshake.certificate.rsa.modules",
|
|
FT_UINT32, BASE_DEC, NULL, 0x00,
|
|
"RSA Modulus Size", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_alert,
|
|
{ "Alert",
|
|
"wtls.alert",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
"Alert", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_alert_level,
|
|
{ "Level",
|
|
"wtls.alert.level",
|
|
FT_UINT8, BASE_DEC, VALS ( wtls_vals_alert_level ), 0x00,
|
|
"Level", HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_alert_description,
|
|
{ "Description",
|
|
"wtls.alert.description",
|
|
FT_UINT8, BASE_DEC, VALS ( wtls_vals_alert_description ), 0x00,
|
|
"Description", HFILL
|
|
}
|
|
},
|
|
};
|
|
|
|
/* Setup protocol subtree array */
|
|
static gint *ett[] = {
|
|
&ett_wtls,
|
|
&ett_wtls_rec,
|
|
&ett_wtls_msg_type,
|
|
&ett_wtls_msg_type_item,
|
|
&ett_wtls_msg_type_item_sub,
|
|
&ett_wtls_msg_type_item_sub_sub,
|
|
};
|
|
|
|
/* Register the protocol name and description */
|
|
proto_wtls = proto_register_protocol(
|
|
"Wireless Transport Layer Security", /* protocol name for use by ethereal */
|
|
"WTLS", /* short version of name */
|
|
"wtls" /* Abbreviated protocol name, should Match IANA
|
|
< URL:http://www.iana.org/assignments/port-numbers/ >
|
|
*/
|
|
);
|
|
|
|
/* Required function calls to register the header fields and subtrees used */
|
|
proto_register_field_array(proto_wtls, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_wtls(void)
|
|
{
|
|
dissector_handle_t wtls_handle;
|
|
|
|
wtls_handle = create_dissector_handle(dissect_wtls, proto_wtls);
|
|
dissector_add("udp.port", UDP_PORT_WTLS_WSP, wtls_handle);
|
|
dissector_add("udp.port", UDP_PORT_WTLS_WTP_WSP, wtls_handle);
|
|
dissector_add("udp.port", UDP_PORT_WTLS_WSP_PUSH,wtls_handle);
|
|
}
|