forked from osmocom/wireshark
![Stig Bjørlykke](/assets/img/avatar_default.png)
Change from col_append_sep_fstr() to col_append_sep_str() when appending strings without formatting. Change-Id: I315aca9b815c204a5bc78f7326402c40d1325f0e Reviewed-on: https://code.wireshark.org/review/20846 Petri-Dish: Stig Bjørlykke <stig@bjorlykke.org> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Anders Broman <a.broman58@gmail.com>
649 lines
22 KiB
C
649 lines
22 KiB
C
/* packet-negoex.c
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* Dissect the NEGOEX security protocol
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* as described here: http://tools.ietf.org/id/draft-zhu-negoex-04.txt
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* Copyright 2012 Richard Sharpe <realrichardsharpe@gmail.com>
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* Routines for SPNEGO Extended Negotiation Security Mechanism
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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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* 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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#include <epan/packet.h>
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#include <epan/exceptions.h>
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#include <epan/show_exception.h>
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#include "packet-dcerpc.h"
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#include "packet-gssapi.h"
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void proto_register_negoex(void);
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void proto_reg_handoff_negoex(void);
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static int proto_negoex = -1;
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static int hf_negoex_sig = -1;
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static int hf_negoex_message_type = -1;
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static int hf_negoex_sequence_num = -1;
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static int hf_negoex_header_len = -1;
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static int hf_negoex_message_len = -1;
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static int hf_negoex_conversation_id = -1;
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static int hf_negoex_random = -1;
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static int hf_negoex_proto_version = -1;
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static int hf_negoex_authscheme = -1;
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static int hf_negoex_authscheme_vector_offset = -1;
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static int hf_negoex_authscheme_vector_count = -1;
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static int hf_negoex_authscheme_vector_pad = -1;
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static int hf_negoex_extension = -1;
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static int hf_negoex_extension_vector_offset = -1;
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static int hf_negoex_extension_vector_count = -1;
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static int hf_negoex_extension_vector_pad = -1;
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static int hf_negoex_exchange_vector_offset = -1;
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static int hf_negoex_exchange_vector_count = -1;
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static int hf_negoex_exchange_vector_pad = -1;
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static int hf_negoex_exchange = -1;
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static int hf_negoex_checksum_scheme = -1;
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static int hf_negoex_checksum_type = -1;
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static int hf_negoex_checksum_vector_offset = -1;
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static int hf_negoex_checksum_vector_count = -1;
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static int hf_negoex_checksum_vector_pad = -1;
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static int hf_negoex_checksum = -1;
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static int hf_negoex_errorcode = -1;
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static int hf_negoex_data = -1;
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static gint ett_negoex = -1;
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static gint ett_negoex_msg = -1;
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static gint ett_negoex_hdr = -1;
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static gint ett_negoex_authscheme_vector = -1;
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static gint ett_negoex_extension_vector = -1;
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static gint ett_negoex_exchange = -1;
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static gint ett_negoex_checksum = -1;
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static gint ett_negoex_checksum_vector = -1;
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static gint ett_negoex_byte_vector = -1;
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static dissector_handle_t negoex_handle;
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/* If you add more message types, add them in sequence and update MAX_MSG */
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#define MESSAGE_TYPE_INITIATOR_NEGO 0
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#define MESSAGE_TYPE_ACCEPTOR_NEGO 1
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#define MESSAGE_TYPE_INITIATOR_META_DATA 2
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#define MESSAGE_TYPE_ACCEPTOR_META_DATA 3
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#define MESSAGE_TYPE_CHALLENGE 4
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#define MESSAGE_TYPE_AP_REQUEST 5
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#define MESSAGE_TYPE_VERIFY 6
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#define MESSAGE_TYPE_ALERT 7
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#define MESSAGE_TYPE_MAX_MSG MESSAGE_TYPE_ALERT
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static const value_string negoex_message_types[] = {
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{MESSAGE_TYPE_INITIATOR_NEGO, "INITATOR_NEGO"},
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{MESSAGE_TYPE_ACCEPTOR_NEGO, "ACCEPTOR_NEGO"},
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{MESSAGE_TYPE_INITIATOR_META_DATA, "INITIATOR_META_DATA"},
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{MESSAGE_TYPE_ACCEPTOR_META_DATA, "ACCEPTOR_META_DATA"},
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{MESSAGE_TYPE_CHALLENGE, "CHALLENGE"},
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{MESSAGE_TYPE_AP_REQUEST, "AP_REQUEST"},
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{MESSAGE_TYPE_VERIFY, "VERIFY"},
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{MESSAGE_TYPE_ALERT, "ALERT"},
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{0, NULL}
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};
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static const value_string checksum_schemes[] = {
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{1, "rfc3961"},
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{0, NULL}
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};
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#if 0
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static const value_string alert_types[] = {
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{1, "ALERT_TYPE_PULSE"},
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{0, NULL}
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};
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static const value_string alert_reasons[] = {
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{1, "ALERT_VERIFY_NO_KEY"},
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{0, NULL}
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};
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#endif
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static void
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dissect_negoex_alert_message(tvbuff_t *tvb,
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packet_info *pinfo _U_,
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proto_tree *tree,
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guint32 start_off)
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{
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guint32 offset;
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offset = start_off;
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/* AuthScheme */
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proto_tree_add_item(tree, hf_negoex_authscheme, tvb, offset, 16, ENC_LITTLE_ENDIAN);
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offset += 16;
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/* ErrorCode, an NTSTATUS :-) */
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proto_tree_add_item(tree, hf_negoex_errorcode, tvb, offset, 4, ENC_LITTLE_ENDIAN);
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offset += 4;
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/* The rest */
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proto_tree_add_bytes_format(tree, hf_negoex_data, tvb, offset, -1, NULL,
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"The rest of the alert message");
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}
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static void
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dissect_negoex_verify_message(tvbuff_t *tvb,
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packet_info *pinfo _U_,
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proto_tree *tree,
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guint32 start_off)
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{
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guint32 offset;
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guint32 checksum_vector_offset;
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guint32 checksum_vector_count;
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proto_tree *checksum;
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proto_tree *checksum_vector;
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offset = start_off;
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/* AuthScheme */
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proto_tree_add_item(tree, hf_negoex_authscheme, tvb, offset, 16, ENC_LITTLE_ENDIAN);
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offset += 16;
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/* Checksum */
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checksum = proto_tree_add_subtree(tree, tvb, offset, 20, ett_negoex_checksum, NULL, "Checksum");
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/* cbHeaderLength */
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proto_tree_add_item(checksum, hf_negoex_header_len, tvb, offset, 4, ENC_LITTLE_ENDIAN);
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offset += 4;
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/* ChecksumScheme */
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proto_tree_add_item(checksum, hf_negoex_checksum_scheme, tvb, offset, 4, ENC_LITTLE_ENDIAN);
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offset += 4;
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/* ChecksumType */
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proto_tree_add_item(checksum, hf_negoex_checksum_type, tvb, offset, 4, ENC_LITTLE_ENDIAN);
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offset += 4;
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/* Checksum Byte Vector */
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checksum_vector_offset = tvb_get_letohl(tvb, offset);
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checksum_vector_count = tvb_get_letohs(tvb, offset + 4);
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checksum_vector = proto_tree_add_subtree_format(checksum, tvb, offset, 8,
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ett_negoex_checksum_vector, NULL, "Checksum Vector: %u at %u",
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checksum_vector_count,
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checksum_vector_offset);
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proto_tree_add_item(checksum_vector, hf_negoex_checksum_vector_offset, tvb,
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offset, 4, ENC_LITTLE_ENDIAN);
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offset += 4;
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proto_tree_add_item(checksum_vector, hf_negoex_checksum_vector_count, tvb,
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offset, 2, ENC_LITTLE_ENDIAN);
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offset += 2;
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proto_tree_add_item(checksum_vector, hf_negoex_checksum_vector_pad, tvb,
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offset, 2, ENC_NA);
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/*offset += 2;*/
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proto_tree_add_item(checksum_vector, hf_negoex_checksum, tvb,
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checksum_vector_offset, checksum_vector_count, ENC_NA);
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}
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static void
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dissect_negoex_exchange_message(tvbuff_t *tvb,
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packet_info *pinfo _U_,
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proto_tree *tree,
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guint32 start_off)
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{
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guint32 offset;
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guint32 exchange_vector_offset;
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guint32 exchange_vector_count;
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proto_tree *exchange_vector;
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offset = start_off;
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/* AuthScheme */
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proto_tree_add_item(tree, hf_negoex_authscheme, tvb, offset, 16, ENC_LITTLE_ENDIAN);
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offset += 16;
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/* Exchange Byte Vector */
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exchange_vector_offset = tvb_get_letohl(tvb, offset);
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exchange_vector_count = tvb_get_letohs(tvb, offset + 4);
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exchange_vector = proto_tree_add_subtree_format(tree, tvb, offset, 8,
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ett_negoex_exchange, NULL, "Exchange: %u bytes at %u",
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exchange_vector_count, exchange_vector_offset);
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proto_tree_add_item(exchange_vector, hf_negoex_exchange_vector_offset, tvb,
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offset, 4, ENC_LITTLE_ENDIAN);
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offset += 4;
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proto_tree_add_item(exchange_vector, hf_negoex_exchange_vector_count, tvb,
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offset, 2, ENC_LITTLE_ENDIAN);
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offset += 2;
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proto_tree_add_item(exchange_vector, hf_negoex_exchange_vector_pad, tvb,
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offset, 2, ENC_NA);
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/*offset += 2;*/
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proto_tree_add_item(exchange_vector, hf_negoex_exchange, tvb,
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exchange_vector_offset, exchange_vector_count, ENC_NA);
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}
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/*
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* In each of the subdissectors we are handed the whole message, but the
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* header is already dissected. The offset tells us where in the buffer the
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* actual data starts. This is a bit redundant, but it allows for changes
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* to the header structure ...
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*
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* Eventually we want to treat the header and body differently perhaps.
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*/
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static void
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dissect_negoex_nego_message(tvbuff_t *tvb,
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packet_info *pinfo _U_,
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proto_tree *tree,
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guint32 start_off)
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{
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volatile guint32 offset;
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guint32 authscheme_vector_offset;
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guint16 authscheme_vector_count;
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guint32 extension_vector_offset;
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guint32 extension_vector_count;
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proto_tree *authscheme_vector;
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proto_tree *extension_vector;
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guint32 i;
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offset = start_off;
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TRY {
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/* The Random field */
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proto_tree_add_item(tree, hf_negoex_random, tvb, offset, 32, ENC_ASCII);
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offset += 32;
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/* Protocol version */
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proto_tree_add_item(tree, hf_negoex_proto_version, tvb, offset, 8, ENC_LITTLE_ENDIAN);
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offset += 8;
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/* AuthScheme offset and count */
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authscheme_vector_offset = tvb_get_letohl(tvb, offset);
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authscheme_vector_count = tvb_get_letohs(tvb, offset + 4);
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authscheme_vector = proto_tree_add_subtree_format(tree, tvb, offset, 8,
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ett_negoex_authscheme_vector, NULL, "AuthSchemes: %u at %u",
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authscheme_vector_count, authscheme_vector_offset);
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proto_tree_add_item(authscheme_vector, hf_negoex_authscheme_vector_offset,
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tvb, offset, 4, ENC_LITTLE_ENDIAN);
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offset += 4;
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proto_tree_add_item(authscheme_vector, hf_negoex_authscheme_vector_count,
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tvb, offset, 2, ENC_LITTLE_ENDIAN);
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offset += 2;
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proto_tree_add_item(authscheme_vector, hf_negoex_authscheme_vector_pad,
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tvb, offset, 2, ENC_NA);
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offset += 2;
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/* Now, add the various items */
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for (i = 0; i < authscheme_vector_count; i++) {
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proto_tree_add_item(authscheme_vector, hf_negoex_authscheme, tvb,
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authscheme_vector_offset + i * 16, 16, ENC_LITTLE_ENDIAN);
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}
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extension_vector_offset = tvb_get_letohl(tvb, offset);
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extension_vector_count = tvb_get_letohs(tvb, offset + 4);
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extension_vector = proto_tree_add_subtree_format(tree, tvb, offset, 8,
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ett_negoex_extension_vector, NULL, "Extensions: %u at %u",
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extension_vector_count, extension_vector_count);
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proto_tree_add_item(extension_vector, hf_negoex_extension_vector_offset,
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tvb, offset, 4, ENC_LITTLE_ENDIAN);
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offset += 4;
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proto_tree_add_item(extension_vector, hf_negoex_extension_vector_count,
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tvb, offset, 2, ENC_LITTLE_ENDIAN);
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offset += 2;
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proto_tree_add_item(extension_vector, hf_negoex_extension_vector_pad,
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tvb, offset, 2, ENC_NA);
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offset += 2;
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for (i = 0; i < extension_vector_count; i++) {
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guint32 byte_vector_offset, byte_vector_count;
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proto_tree *bv_tree;
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/*
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* Dissect these things ... they consist of a byte vector, so we
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* add a subtree and point to the relevant bytes
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*/
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byte_vector_offset = tvb_get_letohl(tvb, offset);
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byte_vector_count = tvb_get_letohs(tvb, offset + 4);
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bv_tree = proto_tree_add_subtree_format(extension_vector, tvb,
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extension_vector_offset + i * 8, 8,
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ett_negoex_byte_vector, NULL, "Extension: %u bytes at %u",
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byte_vector_count, byte_vector_offset);
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proto_tree_add_item(bv_tree, hf_negoex_extension, tvb,
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byte_vector_offset, byte_vector_count, ENC_NA);
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}
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} ENDTRY;
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}
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static int
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dissect_negoex(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
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{
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volatile guint32 offset;
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proto_tree * volatile negoex_tree;
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proto_item *tf;
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volatile gboolean done;
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guint32 payload_len;
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guint32 message_len;
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guint32 message_type;
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guint32 header_len;
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offset = 0;
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negoex_tree = NULL;
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tf = NULL;
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done = FALSE;
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payload_len = tvb_reported_length(tvb);
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/* Set up the initial NEGOEX payload */
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if (tree) {
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tf = proto_tree_add_item(tree, proto_negoex, tvb, offset, -1, ENC_NA);
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negoex_tree = proto_item_add_subtree(tf, ett_negoex);
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}
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/*
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* There can be multiple negoex messages, each with a header with a length.
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* However, the payload might not have been reassembled ...
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*/
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while (offset < payload_len && !done) {
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proto_tree *negoex_msg_tree;
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proto_tree *negoex_hdr_tree;
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proto_item *msg;
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tvbuff_t *msg_tvb;
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guint32 start_offset;
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start_offset = offset;
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TRY {
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/* Message type, it is after the signature */
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message_type = tvb_get_letohl(tvb, offset + 8);
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/* Add the message type tree ... set its length below */
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negoex_msg_tree = proto_tree_add_subtree_format(negoex_tree, tvb, offset, -1,
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ett_negoex_msg, &msg, "NEGOEX %s",
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val_to_str_const(message_type,
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negoex_message_types,
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"Unknown NEGOEX message type"));
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/* Add a subtree for the header */
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negoex_hdr_tree = proto_tree_add_subtree(negoex_msg_tree, tvb, offset, 40, ett_negoex_hdr, NULL, "Header");
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/* Signature, NEGOEXTS */
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proto_tree_add_item(negoex_hdr_tree, hf_negoex_sig,
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tvb, offset, 8, ENC_ASCII | ENC_NA);
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offset += 8;
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col_append_sep_str(pinfo->cinfo, COL_INFO, ", ",
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val_to_str_const(message_type,
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negoex_message_types,
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"Unknown NEGOEX message type"));
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proto_tree_add_uint(negoex_hdr_tree, hf_negoex_message_type,
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tvb, offset, 4, message_type);
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/*
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* If this is an unknown message type, we have to punt because anything
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* following cannot be handled
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*/
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if (message_type > MESSAGE_TYPE_MAX_MSG) {
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offset = payload_len; /* Can't do any more */
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goto bad_message;
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} else {
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offset += 4;
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}
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/* Sequence Number */
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proto_tree_add_item(negoex_hdr_tree, hf_negoex_sequence_num,
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tvb, offset, 4, ENC_LITTLE_ENDIAN);
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offset += 4;
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/* Header Length */
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header_len = tvb_get_letohl(tvb, offset);
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proto_tree_add_uint(negoex_hdr_tree, hf_negoex_header_len,
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tvb, offset, 4, header_len);
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offset += 4;
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/* Message Length */
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message_len = tvb_get_letohl(tvb, offset);
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proto_tree_add_uint(negoex_hdr_tree, hf_negoex_message_len,
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tvb, offset, 4, message_len);
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offset += 4;
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/* Set the message len so the tree item has correct len */
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proto_item_set_len(msg, message_len);
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/* Conversation ID */
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proto_tree_add_item(negoex_hdr_tree, hf_negoex_conversation_id,
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tvb, offset, 16, ENC_LITTLE_ENDIAN);
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offset += 16;
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/*
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* Construct a new TVB covering just this message and pass to the
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* sub-dissector
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*/
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msg_tvb = tvb_new_subset_length_caplen(tvb,
|
|
start_offset,
|
|
MIN(message_len, tvb_captured_length(tvb)),
|
|
message_len);
|
|
|
|
switch (message_type) {
|
|
case MESSAGE_TYPE_INITIATOR_NEGO:
|
|
case MESSAGE_TYPE_ACCEPTOR_NEGO:
|
|
dissect_negoex_nego_message(msg_tvb,
|
|
pinfo,
|
|
negoex_msg_tree,
|
|
offset - start_offset);
|
|
break;
|
|
|
|
case MESSAGE_TYPE_INITIATOR_META_DATA:
|
|
case MESSAGE_TYPE_ACCEPTOR_META_DATA:
|
|
case MESSAGE_TYPE_CHALLENGE:
|
|
case MESSAGE_TYPE_AP_REQUEST:
|
|
dissect_negoex_exchange_message(msg_tvb,
|
|
pinfo,
|
|
negoex_msg_tree,
|
|
offset - start_offset);
|
|
break;
|
|
|
|
case MESSAGE_TYPE_VERIFY:
|
|
dissect_negoex_verify_message(msg_tvb,
|
|
pinfo,
|
|
negoex_msg_tree,
|
|
offset - start_offset);
|
|
break;
|
|
|
|
case MESSAGE_TYPE_ALERT:
|
|
dissect_negoex_alert_message(msg_tvb,
|
|
pinfo,
|
|
negoex_msg_tree,
|
|
offset - start_offset);
|
|
break;
|
|
|
|
default:
|
|
proto_tree_add_bytes_format(negoex_msg_tree, hf_negoex_data, tvb, offset, message_len - 40, NULL,
|
|
"The rest of the message");
|
|
}
|
|
|
|
offset = start_offset + message_len;
|
|
|
|
/* We cannot branch out of the TRY block, but we can branch here */
|
|
bad_message:
|
|
;
|
|
|
|
} CATCH_NONFATAL_ERRORS {
|
|
done = TRUE;
|
|
show_exception(tvb, pinfo, tree, EXCEPT_CODE, GET_MESSAGE);
|
|
} ENDTRY;
|
|
}
|
|
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
void
|
|
proto_register_negoex(void)
|
|
{
|
|
|
|
static hf_register_info hf[] = {
|
|
{ &hf_negoex_sig,
|
|
{ "Signature", "negoex.message.sig", FT_STRING, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_negoex_message_type,
|
|
{ "MessageType", "negoex.message.type", FT_UINT32, BASE_HEX,
|
|
VALS(negoex_message_types), 0x00, NULL, HFILL }},
|
|
{ &hf_negoex_sequence_num,
|
|
{ "SequencNum", "negoex.message.seq_num", FT_UINT32, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_negoex_header_len,
|
|
{ "cbHeaderLength", "negoex.header.len", FT_UINT32, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_negoex_message_len,
|
|
{ "cbMessageLength", "negoex.message.len", FT_UINT32, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_negoex_conversation_id,
|
|
{ "ConversationID", "negoex.message.conv_id", FT_GUID, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL}},
|
|
{ &hf_negoex_random,
|
|
{ "Random", "negoex.message.random", FT_BYTES, BASE_NONE,
|
|
NULL, 0x0, "Random data", HFILL }},
|
|
{ &hf_negoex_proto_version,
|
|
{ "ProtocolVersion", "negoex.proto_version", FT_UINT64, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL}},
|
|
{ &hf_negoex_authscheme,
|
|
{ "AuthScheme", "negoex.auth_scheme", FT_GUID, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL}},
|
|
{ &hf_negoex_authscheme_vector_offset,
|
|
{ "AuthSchemeArrayOffset", "negoex.auth_scheme_array_offset", FT_UINT32,
|
|
BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_negoex_authscheme_vector_count,
|
|
{ "AuthSchemeCount", "negoex.auth_scheme_array_count", FT_UINT16,
|
|
BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_negoex_authscheme_vector_pad,
|
|
{ "AuthSchemePad", "negoex.auth_scheme_array_pad", FT_BYTES,
|
|
BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_negoex_extension,
|
|
{ "Extension", "negoex.extension", FT_BYTES, BASE_NONE,
|
|
NULL, 0x0, "Extension data", HFILL }},
|
|
{ &hf_negoex_extension_vector_offset,
|
|
{ "ExtensionArrayOffset", "negoex.extension_array_offset", FT_UINT32,
|
|
BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_negoex_extension_vector_count,
|
|
{ "ExtensionCount", "negoex.extension_array_count", FT_UINT16,
|
|
BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_negoex_extension_vector_pad,
|
|
{ "ExtensionPad", "negoex.extension_pad", FT_BYTES,
|
|
BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_negoex_exchange_vector_offset,
|
|
{ "ExchangeOffset", "negoex.exchange_vec_offset", FT_UINT32, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL}},
|
|
{ &hf_negoex_exchange_vector_count,
|
|
{ "ExchangeByteCount", "negoex.exchange_vec_byte_count", FT_UINT16,
|
|
BASE_DEC, NULL, 0x0, NULL, HFILL}},
|
|
{ &hf_negoex_exchange_vector_pad,
|
|
{ "ExchangePad", "negoex.exchange_vec_pad", FT_BYTES, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL}},
|
|
{ &hf_negoex_exchange,
|
|
{ "Exchange Bytes", "negoex.exchange", FT_BYTES, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL}},
|
|
{ &hf_negoex_checksum_scheme,
|
|
{ "ChecksumScheme", "negoex.checksum_scheme", FT_UINT32, BASE_DEC,
|
|
VALS(checksum_schemes), 0x0, NULL, HFILL}},
|
|
{ &hf_negoex_checksum_vector_offset,
|
|
{ "ChecksumOffset", "negoex.checksum_vec_offset", FT_UINT32, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL}},
|
|
{ &hf_negoex_checksum_vector_count,
|
|
{ "ChecksumCount", "negoex.checksum_vec_count", FT_UINT16, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL}},
|
|
{ &hf_negoex_checksum_vector_pad,
|
|
{ "ChecksumPad", "negoex.checksum_pad", FT_BYTES, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL}},
|
|
{ &hf_negoex_checksum_type,
|
|
{ "ChecksumType", "negoex.checksum_type", FT_UINT32, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL}},
|
|
{ &hf_negoex_checksum,
|
|
{ "Checksum", "negoex.checksum", FT_BYTES, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL}},
|
|
{ &hf_negoex_errorcode,
|
|
{ "ErrorCode", "negoex.errorcode", FT_UINT32, BASE_HEX,
|
|
NULL, 0x0, NULL, HFILL}},
|
|
{ &hf_negoex_data,
|
|
{ "Data", "negoex.data", FT_BYTES, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL}},
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_negoex,
|
|
&ett_negoex_msg,
|
|
&ett_negoex_hdr,
|
|
&ett_negoex_authscheme_vector,
|
|
&ett_negoex_extension_vector,
|
|
&ett_negoex_exchange,
|
|
&ett_negoex_checksum,
|
|
&ett_negoex_checksum_vector,
|
|
&ett_negoex_byte_vector,
|
|
};
|
|
/*module_t *negoex_module = NULL; */
|
|
|
|
proto_negoex = proto_register_protocol (
|
|
"SPNEGO Extended Negotiation Security Mechanism", /* name */
|
|
"NEGOEX", /* short name */
|
|
"negoex" /* abbrev */
|
|
);
|
|
proto_register_field_array(proto_negoex, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
/* negoex_module = prefs_register_protocol(proto_negoex, NULL);*/
|
|
|
|
negoex_handle = register_dissector("negoex", dissect_negoex, proto_negoex);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_negoex(void)
|
|
{
|
|
|
|
/* Register protocol with the GSS-API module */
|
|
gssapi_init_oid("1.3.6.1.4.1.311.2.2.30", proto_negoex, ett_negoex,
|
|
negoex_handle, NULL,
|
|
"NEGOEX - SPNEGO Extended Negotiation Security Mechanism");
|
|
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 2
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=2 tabstop=8 expandtab:
|
|
* :indentSize=2:tabSize=8:noTabs=true:
|
|
*/
|