forked from osmocom/wireshark
![Michael Mann](/assets/img/avatar_default.png)
Similar to the "tcp.port" changes in I99604f95d426ad345f4b494598d94178b886eb67, convert dissectors that use "udp.port". More cleanup done on dissectors that use both TCP and UDP dissector tables, so that less preference callbacks exist. Change-Id: If07be9b9e850c244336a7069599cd554ce312dd3 Reviewed-on: https://code.wireshark.org/review/18120 Petri-Dish: Michael Mann <mmann78@netscape.net> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Michael Mann <mmann78@netscape.net>
1600 lines
48 KiB
C
1600 lines
48 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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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#ifdef DEBUG
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#include <stdio.h>
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#endif
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#include <epan/packet.h>
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#include <epan/iana_charsets.h>
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#include "packet-wap.h"
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#include "packet-wtls.h"
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void proto_register_wtls(void);
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void proto_reg_handoff_wtls(void);
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/* File scoped variables for the protocol and registered fields */
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static int proto_wtls = -1;
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/* These fields used by fixed part of header */
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static int hf_wtls_record = -1;
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static int hf_wtls_record_type = -1;
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static int hf_wtls_record_length = -1;
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static int hf_wtls_record_sequence = -1;
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static int hf_wtls_record_ciphered = -1;
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static int hf_wtls_hands = -1;
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static int hf_wtls_hands_type = -1;
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static int hf_wtls_hands_length = -1;
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static int hf_wtls_hands_cli_hello = -1;
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static int hf_wtls_hands_cli_hello_version = -1;
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static int hf_wtls_hands_cli_hello_gmt = -1;
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static int hf_wtls_hands_cli_hello_random = -1;
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static int hf_wtls_hands_cli_hello_session = -1;
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static int hf_wtls_hands_cli_hello_session_str = -1;
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static int hf_wtls_hands_cli_hello_cli_key_id = -1;
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static int hf_wtls_hands_cli_hello_cli_key_len = -1;
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static int hf_wtls_hands_cli_hello_trust_key_id = -1;
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static int hf_wtls_hands_cli_hello_key_exchange = -1;
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static int hf_wtls_hands_cli_hello_key_exchange_suite = -1;
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static int hf_wtls_hands_cli_hello_key_parameter_index = -1;
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static int hf_wtls_hands_cli_hello_key_parameter_set = -1;
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static int hf_wtls_hands_cli_hello_key_identifier_type = -1;
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static int hf_wtls_hands_cli_hello_key_identifier_charset = -1;
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static int hf_wtls_hands_cli_hello_key_identifier_size = -1;
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static int hf_wtls_hands_cli_hello_key_identifier = -1;
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static int hf_wtls_hands_cli_hello_key_identifier_str = -1;
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static int hf_wtls_hands_cli_hello_cipher_suite = -1;
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static int hf_wtls_hands_cli_hello_cipher_suite_item = -1;
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static int hf_wtls_hands_cli_hello_compression_methods = -1;
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static int hf_wtls_hands_cli_hello_compression = -1;
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static int hf_wtls_hands_cli_hello_sequence_mode = -1;
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static int hf_wtls_hands_cli_hello_key_refresh = -1;
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static int hf_wtls_hands_serv_hello = -1;
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static int hf_wtls_hands_serv_hello_version = -1;
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static int hf_wtls_hands_serv_hello_gmt = -1;
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static int hf_wtls_hands_serv_hello_random = -1;
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static int hf_wtls_hands_serv_hello_session = -1;
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static int hf_wtls_hands_serv_hello_session_str = -1;
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static int hf_wtls_hands_serv_hello_cli_key_id = -1;
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static int hf_wtls_hands_serv_hello_cipher_suite_item = -1;
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static int hf_wtls_hands_serv_hello_cipher_bulk = -1;
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static int hf_wtls_hands_serv_hello_cipher_mac = -1;
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static int hf_wtls_hands_serv_hello_compression = -1;
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static int hf_wtls_hands_serv_hello_sequence_mode = -1;
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static int hf_wtls_hands_serv_hello_key_refresh = -1;
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static int hf_wtls_hands_certificates = -1;
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static int hf_wtls_hands_certificate = -1;
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static int hf_wtls_hands_certificate_type = -1;
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static int hf_wtls_hands_certificate_wtls_version = -1;
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static int hf_wtls_hands_certificate_wtls_signature_type = -1;
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static int hf_wtls_hands_certificate_wtls_issuer_type = -1;
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static int hf_wtls_hands_certificate_wtls_issuer_charset = -1;
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static int hf_wtls_hands_certificate_wtls_issuer_size = -1;
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static int hf_wtls_hands_certificate_wtls_issuer_name = -1;
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static int hf_wtls_hands_certificate_wtls_valid_not_before = -1;
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static int hf_wtls_hands_certificate_wtls_valid_not_after = -1;
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static int hf_wtls_hands_certificate_wtls_subject_type = -1;
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static int hf_wtls_hands_certificate_wtls_subject_charset = -1;
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static int hf_wtls_hands_certificate_wtls_subject_size = -1;
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static int hf_wtls_hands_certificate_wtls_subject_name = -1;
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static int hf_wtls_hands_certificate_wtls_public_key_type = -1;
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static int hf_wtls_hands_certificate_wtls_key_parameter_index = -1;
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static int hf_wtls_hands_certificate_wtls_key_parameter_set = -1;
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static int hf_wtls_hands_certificate_wtls_rsa_exponent = -1;
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static int hf_wtls_hands_certificate_wtls_rsa_modules = -1;
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static int hf_wtls_hands_certificate_wtls_signature = -1;
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static int hf_wtls_alert = -1;
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static int hf_wtls_alert_level = -1;
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static int hf_wtls_alert_description = -1;
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/* Initialize the subtree pointers */
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static gint ett_wtls = -1;
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static gint ett_wtls_rec = -1;
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static gint ett_wtls_msg_type = -1;
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static gint ett_wtls_msg_type_item = -1;
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static gint ett_wtls_msg_type_item_sub = -1;
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static gint ett_wtls_msg_type_item_sub_sub = -1;
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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 value_string_ext wtls_vals_record_type_ext = VALUE_STRING_EXT_INIT(wtls_vals_record_type);
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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 value_string_ext wtls_vals_cipher_bulk_ext = VALUE_STRING_EXT_INIT(wtls_vals_cipher_bulk);
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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 value_string_ext wtls_vals_cipher_mac_ext = VALUE_STRING_EXT_INIT(wtls_vals_cipher_mac);
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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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{ 0, NULL }
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};
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static value_string_ext wtls_vals_handshake_type_ext = VALUE_STRING_EXT_INIT(wtls_vals_handshake_type);
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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 value_string_ext wtls_vals_key_exchange_suite_ext = VALUE_STRING_EXT_INIT(wtls_vals_key_exchange_suite);
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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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{ 0, NULL }
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};
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static value_string_ext wtls_vals_identifier_type_ext = VALUE_STRING_EXT_INIT(wtls_vals_identifier_type);
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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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{ 0, NULL }
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};
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static value_string_ext wtls_vals_certificate_type_ext = VALUE_STRING_EXT_INIT(wtls_vals_certificate_type);
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static const value_string wtls_vals_compression[] = {
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{ 0, "Null" },
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{ 0, 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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{ 0, 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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{ 0, 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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{ 0, 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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{ 0, 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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{ 0, NULL }
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};
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static value_string_ext wtls_vals_alert_description_ext = VALUE_STRING_EXT_INIT(wtls_vals_alert_description);
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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 int
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dissect_wtls(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
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{
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int offset = 0;
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char pdut;
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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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switch ( pinfo->match_uint )
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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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/* Develop the string to put in the Info column */
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col_set_str(pinfo->cinfo, COL_INFO, "WTLS");
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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, ENC_NA);
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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_reported_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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proto_tree_add_item (wtls_rec_tree, hf_wtls_record_type,
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tvb,offset,1,ENC_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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proto_tree_add_item (wtls_rec_tree, hf_wtls_record_sequence,
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tvb,offset,2,ENC_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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proto_tree_add_item (wtls_rec_tree, hf_wtls_record_length,
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tvb,offset,2,ENC_BIG_ENDIAN);
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offset+=2;
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}
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else {
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count = tvb_reported_length_remaining (tvb, offset);
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}
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if (pdut & WTLS_RECORD_TYPE_CIPHER_CUR) {
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proto_tree_add_item (wtls_rec_tree, hf_wtls_record_ciphered,
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tvb,offset,count,ENC_NA);
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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, ENC_NA);
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wtls_msg_type_tree = proto_item_add_subtree(ti, ett_wtls_msg_type);
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proto_tree_add_item (wtls_msg_type_tree, hf_wtls_alert_level,
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tvb,offset,1,ENC_BIG_ENDIAN);
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offset+=1;
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proto_tree_add_item (wtls_msg_type_tree, hf_wtls_alert_description,
|
|
tvb,offset,1,ENC_BIG_ENDIAN);
|
|
/*offset+=1;*/
|
|
break;
|
|
default:
|
|
/*offset+=count;*/
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
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, ENC_BIG_ENDIAN);
|
|
offset+=2;
|
|
size = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item(tree, hf_size, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(tree, hf_str, tvb, offset, size, ENC_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 int
|
|
add_session_id(proto_tree *tree, int hf, int hf_str, tvbuff_t *tvb, int offset)
|
|
{
|
|
guint count;
|
|
guint i;
|
|
guint64 session_id;
|
|
|
|
count = tvb_get_guint8(tvb, offset);
|
|
if (count == 0)
|
|
proto_tree_add_string (tree, hf_str, tvb, offset, count+1, "NULL");
|
|
else if (count <= 8) {
|
|
session_id = 0;
|
|
for (i = 0; i < count; i++)
|
|
session_id = (session_id << 8) | tvb_get_guint8(tvb, offset + i);
|
|
proto_tree_add_uint64 (tree, hf, tvb, offset, count+1, session_id);
|
|
} else {
|
|
proto_tree_add_item(tree, hf, tvb, offset, count+1, ENC_NA);
|
|
}
|
|
return offset+1+count;
|
|
}
|
|
|
|
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;
|
|
char valStr[1024];
|
|
const char *valBulk = NULL;
|
|
const 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);
|
|
|
|
proto_tree_add_item (wtls_msg_type_tree, hf_wtls_hands_type,
|
|
tvb,offset,1,ENC_BIG_ENDIAN);
|
|
offset+=1;
|
|
count = tvb_get_ntohs (tvb, offset);
|
|
proto_tree_add_item (wtls_msg_type_tree, hf_wtls_hands_length,
|
|
tvb,offset,2,ENC_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, ENC_NA);
|
|
wtls_msg_type_item_tree = proto_item_add_subtree(ti, ett_wtls_msg_type_item);
|
|
proto_tree_add_item (wtls_msg_type_item_tree, hf_wtls_hands_cli_hello_version,
|
|
tvb,offset,1,ENC_BIG_ENDIAN);
|
|
offset++;
|
|
timeValue.secs = tvb_get_ntohl (tvb, offset);
|
|
timeValue.nsecs = 0;
|
|
proto_tree_add_time (wtls_msg_type_item_tree, hf_wtls_hands_cli_hello_gmt, tvb,
|
|
offset, 4, &timeValue);
|
|
offset+=4;
|
|
proto_tree_add_item (wtls_msg_type_item_tree, hf_wtls_hands_cli_hello_random,
|
|
tvb,offset,12,ENC_NA);
|
|
offset+=12;
|
|
offset = add_session_id (wtls_msg_type_item_tree,
|
|
hf_wtls_hands_cli_hello_session,
|
|
hf_wtls_hands_cli_hello_session_str,
|
|
tvb, offset);
|
|
|
|
/* 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, ENC_NA);
|
|
wtls_msg_type_item_sub_tree = proto_item_add_subtree(ti, ett_wtls_msg_type_item_sub);
|
|
|
|
/* display length of client_key_ids structure */
|
|
proto_tree_add_item(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_cli_hello_cli_key_len,
|
|
tvb,offset,2,ENC_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);
|
|
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);
|
|
proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_parameter_index,
|
|
tvb,offset,1,ENC_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);
|
|
proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_parameter_set,
|
|
tvb,offset,size+2,ENC_ASCII|ENC_NA);
|
|
offset+=size+2;
|
|
client_size+=size+2;
|
|
}
|
|
|
|
/* get identifier type */
|
|
value = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_identifier_type,
|
|
tvb,offset,1,ENC_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);
|
|
proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_identifier_size,
|
|
tvb,offset,1,ENC_BIG_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_identifier,
|
|
tvb,offset,size,ENC_NA);
|
|
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 */
|
|
proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_identifier,
|
|
tvb,offset,20,ENC_NA);
|
|
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);
|
|
proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_identifier_size,
|
|
tvb,offset,1,ENC_BIG_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_identifier,
|
|
tvb,offset,size,ENC_NA);
|
|
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, ENC_NA);
|
|
wtls_msg_type_item_sub_tree = proto_item_add_subtree(ti, ett_wtls_msg_type_item_sub);
|
|
|
|
/* display length of trusted_keys structure */
|
|
proto_tree_add_item(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_cli_hello_cli_key_len,
|
|
tvb,offset,2,ENC_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);
|
|
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);
|
|
proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_parameter_index,
|
|
tvb,offset,1,ENC_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);
|
|
proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_parameter_set,
|
|
tvb,offset,size+2,ENC_ASCII|ENC_NA);
|
|
offset+=size+2;
|
|
client_size+=size+2;
|
|
}
|
|
|
|
/* get identifier type */
|
|
value = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_identifier_type,
|
|
tvb,offset,1,ENC_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);
|
|
proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_identifier_size,
|
|
tvb,offset,1,ENC_BIG_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_identifier,
|
|
tvb,offset,size,ENC_NA);
|
|
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 */
|
|
proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_identifier,
|
|
tvb,offset,20,ENC_NA);
|
|
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 */
|
|
proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_identifier_size,
|
|
tvb,offset,1,ENC_BIG_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(wtls_msg_type_item_sub_sub_tree,
|
|
hf_wtls_hands_cli_hello_key_identifier,
|
|
tvb,offset,size,ENC_NA);
|
|
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, ENC_NA);
|
|
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 = try_val_to_str_ext(value, &wtls_vals_cipher_bulk_ext);
|
|
offset++;
|
|
client_size=1;
|
|
valMac = try_val_to_str_ext(tvb_get_guint8 (tvb, offset), &wtls_vals_cipher_mac_ext);
|
|
if (valBulk != NULL)
|
|
{
|
|
if (valMac != NULL)
|
|
{
|
|
g_snprintf(valStr,1024,"%s, %s",valBulk,valMac);
|
|
}
|
|
else
|
|
{
|
|
g_snprintf(valStr,1024,"%s, Unknown MAC (0x%02x)",valBulk,tvb_get_guint8 (tvb, offset));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (valMac != NULL)
|
|
{
|
|
g_snprintf(valStr,1024,"Unknown Bulk (0x%02x), %s",value,valMac);
|
|
}
|
|
else
|
|
{
|
|
g_snprintf(valStr,1024,"Unknown Bulk (0x%02x), Unknown MAC (0x%02x)",value,
|
|
tvb_get_guint8 (tvb, offset));
|
|
}
|
|
}
|
|
offset++;
|
|
client_size++;
|
|
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, ENC_NA);
|
|
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;
|
|
proto_tree_add_item(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_cli_hello_compression, tvb, offset,1,
|
|
ENC_LITTLE_ENDIAN);
|
|
offset++;
|
|
client_size++;
|
|
}
|
|
proto_tree_add_item(wtls_msg_type_item_tree,
|
|
hf_wtls_hands_cli_hello_sequence_mode, tvb, offset,
|
|
1, ENC_LITTLE_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(wtls_msg_type_item_tree,
|
|
hf_wtls_hands_cli_hello_key_refresh, tvb, offset,
|
|
1, ENC_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, ENC_NA);
|
|
wtls_msg_type_item_tree = proto_item_add_subtree(ti, ett_wtls_msg_type_item);
|
|
proto_tree_add_item (wtls_msg_type_item_tree, hf_wtls_hands_serv_hello_version,
|
|
tvb,offset,1,ENC_BIG_ENDIAN);
|
|
offset++;
|
|
timeValue.secs = tvb_get_ntohl (tvb, offset);
|
|
timeValue.nsecs = 0;
|
|
proto_tree_add_time (wtls_msg_type_item_tree, hf_wtls_hands_serv_hello_gmt, tvb,
|
|
offset, 4, &timeValue);
|
|
offset+=4;
|
|
proto_tree_add_item (wtls_msg_type_item_tree, hf_wtls_hands_serv_hello_random,
|
|
tvb,offset,12,ENC_NA);
|
|
offset+=12;
|
|
offset = add_session_id (wtls_msg_type_item_tree,
|
|
hf_wtls_hands_serv_hello_session,
|
|
hf_wtls_hands_serv_hello_session_str,
|
|
tvb, offset);
|
|
proto_tree_add_item(wtls_msg_type_item_tree,
|
|
hf_wtls_hands_serv_hello_cli_key_id,
|
|
tvb,offset,1,ENC_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,
|
|
ENC_NA);
|
|
wtls_msg_type_item_sub_tree = proto_item_add_subtree(cli_key_item,
|
|
ett_wtls_msg_type_item_sub);
|
|
proto_tree_add_item(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_serv_hello_cipher_bulk,
|
|
tvb,offset,1,ENC_BIG_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_serv_hello_cipher_mac,
|
|
tvb,offset,1,ENC_BIG_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(wtls_msg_type_item_tree,
|
|
hf_wtls_hands_serv_hello_compression, tvb, offset,1,
|
|
ENC_LITTLE_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(wtls_msg_type_item_tree,
|
|
hf_wtls_hands_serv_hello_sequence_mode, tvb, offset,
|
|
1, ENC_LITTLE_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(wtls_msg_type_item_tree,
|
|
hf_wtls_hands_serv_hello_key_refresh, tvb, offset,
|
|
1, ENC_LITTLE_ENDIAN);
|
|
offset++;
|
|
break;
|
|
case WTLS_HANDSHAKE_CERTIFICATE :
|
|
ti = proto_tree_add_item(wtls_msg_type_tree, hf_wtls_hands_certificates,
|
|
tvb, offset,count, ENC_NA);
|
|
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,
|
|
ENC_NA);
|
|
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);
|
|
proto_tree_add_item(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_certificate_type, tvb, offset,1,
|
|
ENC_LITTLE_ENDIAN);
|
|
offset++;
|
|
client_size++;
|
|
switch(value) {
|
|
case CERTIFICATE_WTLS:
|
|
proto_tree_add_item(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_certificate_wtls_version,
|
|
tvb, offset,1,
|
|
ENC_LITTLE_ENDIAN);
|
|
offset++;
|
|
client_size++;
|
|
proto_tree_add_item(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_certificate_wtls_signature_type,
|
|
tvb, offset,1,
|
|
ENC_LITTLE_ENDIAN);
|
|
offset++;
|
|
client_size++;
|
|
value = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_certificate_wtls_issuer_type,
|
|
tvb, offset,1,
|
|
ENC_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;
|
|
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;
|
|
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);
|
|
proto_tree_add_item(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_certificate_wtls_subject_type,
|
|
tvb, offset,1,
|
|
ENC_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);
|
|
proto_tree_add_item(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_certificate_wtls_public_key_type,
|
|
tvb, offset,1,
|
|
ENC_LITTLE_ENDIAN);
|
|
offset++;
|
|
client_size++;
|
|
value = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_certificate_wtls_key_parameter_index,
|
|
tvb,offset,1,ENC_BIG_ENDIAN);
|
|
offset++;
|
|
client_size++;
|
|
if (value == 0xff) {
|
|
size = tvb_get_ntohs (tvb, offset);
|
|
proto_tree_add_item(wtls_msg_type_item_sub_tree,
|
|
hf_wtls_hands_certificate_wtls_key_parameter_set,
|
|
tvb,offset,size+2,ENC_ASCII|ENC_NA);
|
|
offset+=size+2;
|
|
client_size+=size+2;
|
|
}
|
|
switch (public_key) {
|
|
case PUBLIC_KEY_RSA :
|
|
value = tvb_get_ntohs (tvb, offset);
|
|
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);
|
|
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);
|
|
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 Wireshark */
|
|
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|BASE_EXT_STRING, &wtls_vals_record_type_ext, 0x0f,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_record_type,
|
|
{ "Record Type",
|
|
"wtls.rec_type",
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &wtls_vals_record_type_ext, 0x0f,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_record_length,
|
|
{ "Record Length",
|
|
"wtls.rec_length",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_record_sequence,
|
|
{ "Record Sequence",
|
|
"wtls.rec_seq",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_record_ciphered,
|
|
{ "Record Ciphered",
|
|
"wtls.rec_cipher",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands,
|
|
{ "Handshake",
|
|
"wtls.handshake",
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &wtls_vals_handshake_type_ext, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_type,
|
|
{ "Type",
|
|
"wtls.handshake.type",
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &wtls_vals_handshake_type_ext, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_length,
|
|
{ "Length",
|
|
"wtls.handshake.length",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello,
|
|
{ "Client Hello",
|
|
"wtls.handshake.client_hello",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_version,
|
|
{ "Version",
|
|
"wtls.handshake.client_hello.version",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_gmt,
|
|
{ "Time GMT",
|
|
"wtls.handshake.client_hello.gmt",
|
|
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_random,
|
|
{ "Random",
|
|
"wtls.handshake.client_hello.random",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_session,
|
|
{ "Session ID",
|
|
"wtls.handshake.client_hello.sessionid",
|
|
FT_UINT64, BASE_HEX_DEC, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_session_str,
|
|
{ "Session ID",
|
|
"wtls.handshake.client_hello.session.str",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_cli_key_id,
|
|
{ "Client Keys",
|
|
"wtls.handshake.client_hello.client_keys_id",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
NULL , HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_cli_key_len,
|
|
{ "Length",
|
|
"wtls.handshake.client_hello.client_keys_len",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
NULL , HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_trust_key_id,
|
|
{ "Trusted Keys",
|
|
"wtls.handshake.client_hello.trusted_keys_id",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
NULL , HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_key_exchange,
|
|
{ "Key Exchange",
|
|
"wtls.handshake.client_hello.key.key_exchange",
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &wtls_vals_key_exchange_suite_ext, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_key_exchange_suite,
|
|
{ "Suite",
|
|
"wtls.handshake.client_hello.key.key_exchange.suite",
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &wtls_vals_key_exchange_suite_ext, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_key_parameter_index,
|
|
{ "Parameter Index",
|
|
"wtls.handshake.client_hello.parameter_index",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_key_parameter_set,
|
|
{ "Parameter Set",
|
|
"wtls.handshake.client_hello.parameter",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_key_identifier_type,
|
|
{ "Identifier Type",
|
|
"wtls.handshake.client_hello.ident_type",
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &wtls_vals_identifier_type_ext, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_key_identifier_charset,
|
|
{ "Identifier CharSet",
|
|
"wtls.handshake.client_hello.ident_charset",
|
|
FT_UINT16, BASE_DEC|BASE_EXT_STRING, &mibenum_vals_character_sets_ext, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_key_identifier_size,
|
|
{ "Identifier Size",
|
|
"wtls.handshake.client_hello.ident_size",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_key_identifier,
|
|
{ "Identifier",
|
|
"wtls.handshake.client_hello.identifier",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_key_identifier_str,
|
|
{ "Identifier Name",
|
|
"wtls.handshake.client_hello.ident_name",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
NULL, 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,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_compression_methods,
|
|
{ "Compression Methods",
|
|
"wtls.handshake.client_hello.comp_methods",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_compression,
|
|
{ "Compression",
|
|
"wtls.handshake.client_hello.compression",
|
|
FT_UINT8, BASE_HEX, VALS ( wtls_vals_compression ), 0x00,
|
|
NULL, 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,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_cli_hello_key_refresh,
|
|
{ "Refresh",
|
|
"wtls.handshake.client_hello.refresh",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_serv_hello,
|
|
{ "Server Hello",
|
|
"wtls.handshake.server_hello",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_serv_hello_version,
|
|
{ "Version",
|
|
"wtls.handshake.server_hello.version",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_serv_hello_gmt,
|
|
{ "Time GMT",
|
|
"wtls.handshake.server_hello.gmt",
|
|
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_serv_hello_random,
|
|
{ "Random",
|
|
"wtls.handshake.server_hello.random",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_serv_hello_session,
|
|
{ "Session ID",
|
|
"wtls.handshake.server_hello.sessionid",
|
|
FT_UINT64, BASE_HEX_DEC, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_serv_hello_session_str,
|
|
{ "Session ID",
|
|
"wtls.handshake.server_hello.session.str",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_serv_hello_cli_key_id,
|
|
{ "Client Key ID",
|
|
"wtls.handshake.server_hello.key",
|
|
FT_UINT8, BASE_HEX, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_serv_hello_cipher_suite_item,
|
|
{ "Cipher",
|
|
"wtls.handshake.server_hello.cipher",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_serv_hello_cipher_bulk,
|
|
{ "Cipher Bulk",
|
|
"wtls.handshake.server_hello.cipher.bulk",
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &wtls_vals_cipher_bulk_ext, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_serv_hello_cipher_mac,
|
|
{ "Cipher MAC",
|
|
"wtls.handshake.server_hello.cipher.mac",
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &wtls_vals_cipher_mac_ext, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_serv_hello_compression,
|
|
{ "Compression",
|
|
"wtls.handshake.server_hello.compression",
|
|
FT_UINT8, BASE_HEX, VALS ( wtls_vals_compression ), 0x00,
|
|
NULL, 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,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_serv_hello_key_refresh,
|
|
{ "Refresh",
|
|
"wtls.handshake.server_hello.refresh",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificates,
|
|
{ "Certificates",
|
|
"wtls.handshake.certificates",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate,
|
|
{ "Certificate",
|
|
"wtls.handshake.certificate",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_type,
|
|
{ "Type",
|
|
"wtls.handshake.certificate.type",
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &wtls_vals_certificate_type_ext, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_version,
|
|
{ "Version",
|
|
"wtls.handshake.certificate.version",
|
|
FT_UINT8, BASE_HEX, NULL, 0x00,
|
|
NULL, 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,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_signature,
|
|
{ "Signature Size",
|
|
"wtls.handshake.certificate.signature.signature",
|
|
FT_UINT32, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_issuer_type,
|
|
{ "Issuer",
|
|
"wtls.handshake.certificate.issuer.type",
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &wtls_vals_identifier_type_ext, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_issuer_charset,
|
|
{ "Charset",
|
|
"wtls.handshake.certificate.issuer.charset",
|
|
FT_UINT16, BASE_DEC|BASE_EXT_STRING, &mibenum_vals_character_sets_ext, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_issuer_size,
|
|
{ "Size",
|
|
"wtls.handshake.certificate.issuer.size",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_issuer_name,
|
|
{ "Name",
|
|
"wtls.handshake.certificate.issuer.name",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_valid_not_before,
|
|
{ "Valid not before",
|
|
"wtls.handshake.certificate.before",
|
|
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_valid_not_after,
|
|
{ "Valid not after",
|
|
"wtls.handshake.certificate.after",
|
|
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_subject_type,
|
|
{ "Subject",
|
|
"wtls.handshake.certificate.subject.type",
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &wtls_vals_identifier_type_ext, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_subject_charset,
|
|
{ "Charset",
|
|
"wtls.handshake.certificate.subject.charset",
|
|
FT_UINT16, BASE_DEC|BASE_EXT_STRING, &mibenum_vals_character_sets_ext, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_subject_size,
|
|
{ "Size",
|
|
"wtls.handshake.certificate.subject.size",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_subject_name,
|
|
{ "Name",
|
|
"wtls.handshake.certificate.subject.name",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
NULL, 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,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_key_parameter_index,
|
|
{ "Parameter Index",
|
|
"wtls.handshake.certificate.parameter_index",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_key_parameter_set,
|
|
{ "Parameter Set",
|
|
"wtls.handshake.certificate.parameter",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_rsa_exponent,
|
|
{ "RSA Exponent Size",
|
|
"wtls.handshake.certificate.rsa.exponent",
|
|
FT_UINT32, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_hands_certificate_wtls_rsa_modules,
|
|
{ "RSA Modulus Size",
|
|
"wtls.handshake.certificate.rsa.modules",
|
|
FT_UINT32, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_alert,
|
|
{ "Alert",
|
|
"wtls.alert",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_alert_level,
|
|
{ "Level",
|
|
"wtls.alert.level",
|
|
FT_UINT8, BASE_DEC, VALS ( wtls_vals_alert_level ), 0x00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_wtls_alert_description,
|
|
{ "Description",
|
|
"wtls.alert.description",
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &wtls_vals_alert_description_ext, 0x00,
|
|
NULL, 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", "WTLS", "wtls" );
|
|
|
|
/* 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_uint_range_with_preference("udp.port", UDP_PORT_WTLS_RANGE, wtls_handle);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 8
|
|
* tab-width: 8
|
|
* indent-tabs-mode: t
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
|
|
* :indentSize=8:tabSize=8:noTabs=false:
|
|
*/
|