forked from osmocom/wireshark
794 lines
21 KiB
C
794 lines
21 KiB
C
/* packet-netsync.c
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* Routines for Monotone Netsync packet disassembly
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*
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* $Id: packet-enttec.c 13644 2005-03-07 02:44:41Z guy $
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*
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* Copyright (c) 2005 by Erwin Rol <erwin@erwinrol.com>
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 1999 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* Include files */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <time.h>
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#include <string.h>
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#include <epan/packet.h>
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#include <epan/addr_resolv.h>
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#include <epan/prefs.h>
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#include <epan/strutil.h>
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#include <epan/dissectors/packet-tcp.h>
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/*
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* See
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*
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* http://www.venge.net/monotone/
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*/
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/* Define TCP ports for Monotone netsync */
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#define TCP_PORT_NETSYNC 5253
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#define NETSYNC_ROLE_SOURCE 1
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#define NETSYNC_ROLE_SINK 2
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#define NETSYNC_ROLE_BOTH 3
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static const value_string netsync_role_vals[] = {
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{ NETSYNC_ROLE_SOURCE, "Source" },
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{ NETSYNC_ROLE_SINK, "Sink" },
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{ NETSYNC_ROLE_BOTH, "Both" },
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{ 0, NULL }
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};
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#define NETSYNC_CMD_ERROR 0
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#define NETSYNC_CMD_BYE 1
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#define NETSYNC_CMD_HELLO 2
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#define NETSYNC_CMD_ANONYMOUS 3
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#define NETSYNC_CMD_AUTH 4
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#define NETSYNC_CMD_CONFIRM 5
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#define NETSYNC_CMD_REFINE 6
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#define NETSYNC_CMD_DONE 7
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#define NETSYNC_CMD_SEND_DATA 8
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#define NETSYNC_CMD_SEND_DELTA 9
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#define NETSYNC_CMD_DATA 10
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#define NETSYNC_CMD_DELTA 11
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#define NETSYNC_CMD_NONEXISTANT 12
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static const value_string netsync_cmd_vals[] = {
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{ NETSYNC_CMD_ERROR, "Error" },
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{ NETSYNC_CMD_BYE, "Bye" },
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{ NETSYNC_CMD_HELLO, "Hello" },
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{ NETSYNC_CMD_ANONYMOUS, "Anonymous" },
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{ NETSYNC_CMD_AUTH, "Auth" },
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{ NETSYNC_CMD_CONFIRM, "Confirm" },
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{ NETSYNC_CMD_REFINE, "Refine" },
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{ NETSYNC_CMD_DONE, "Done" },
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{ NETSYNC_CMD_SEND_DATA, "Send Data" },
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{ NETSYNC_CMD_SEND_DELTA, "Send Delta" },
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{ NETSYNC_CMD_DATA, "Data" },
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{ NETSYNC_CMD_DELTA, "Delta" },
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{ NETSYNC_CMD_NONEXISTANT, "Nonexistant" },
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{ 0, NULL }
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};
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#define NETSNYC_MERKLE_HASH_LENGTH 20
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void proto_reg_handoff_netsync(void);
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/* Define the monotone netsync proto */
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static int proto_netsync = -1;
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static int hf_netsync_version = -1;
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static int hf_netsync_command = -1;
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static int hf_netsync_size = -1;
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static int hf_netsync_data = -1;
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static int hf_netsync_checksum = -1;
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static int hf_netsync_cmd_done_level = -1;
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static int hf_netsync_cmd_done_type = -1;
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static int hf_netsync_cmd_hello_keyname = -1;
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static int hf_netsync_cmd_hello_key = -1;
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static int hf_netsync_cmd_nonce = -1;
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static int hf_netsync_cmd_anonymous_role = -1;
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static int hf_netsync_cmd_anonymous_collection = -1;
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static int hf_netsync_cmd_send_data_type = -1;
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static int hf_netsync_cmd_send_data_id = -1;
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static int hf_netsync_cmd_error_msg = -1;
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static int hf_netsync_cmd_confirm_sig = -1;
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static int hf_netsync_cmd_auth_role = -1;
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static int hf_netsync_cmd_auth_collection = -1;
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static int hf_netsync_cmd_auth_id = -1;
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static int hf_netsync_cmd_auth_nonce1 = -1;
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static int hf_netsync_cmd_auth_nonce2 = -1;
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static int hf_netsync_cmd_auth_sig = -1;
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static int hf_netsync_cmd_data_type = -1;
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static int hf_netsync_cmd_data_id = -1;
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static int hf_netsync_cmd_data_compressed = -1;
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static int hf_netsync_cmd_data_payload = -1;
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static int hf_netsync_cmd_delta_type = -1;
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static int hf_netsync_cmd_delta_base_id = -1;
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static int hf_netsync_cmd_delta_ident_id = -1;
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static int hf_netsync_cmd_delta_compressed = -1;
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static int hf_netsync_cmd_delta_payload = -1;
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static int hf_netsync_cmd_refine_tree_node = -1;
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static int hf_netsync_cmd_send_delta_type = -1;
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static int hf_netsync_cmd_send_delta_base_id = -1;
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static int hf_netsync_cmd_send_delta_ident_id = -1;
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static int hf_netsync_cmd_nonexistant_type = -1;
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static int hf_netsync_cmd_nonexistant_id = -1;
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/* Define the tree for netsync */
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static int ett_netsync = -1;
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/*
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* Here are the global variables associated with the preferences
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* for monotone netsync
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*/
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static dissector_handle_t netsync_handle;
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static guint global_tcp_port_netsync = TCP_PORT_NETSYNC;
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static guint tcp_port_netsync = TCP_PORT_NETSYNC;
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static gboolean netsync_desegment = TRUE;
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static gint dissect_uleb128( tvbuff_t *tvb, gint offset, guint* size)
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{
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guint shift = 0;
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guint8 tmp;
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guint start_offset = offset;
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*size = 0;
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/* get size */
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do {
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tmp = tvb_get_guint8(tvb, offset);
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offset += 1;
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*size |= (tmp & 0x7F) << shift;
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shift += 7;
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} while (tmp & 0x80);
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return offset - start_offset;
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}
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static gint dissect_netsync_cmd_error( tvbuff_t *tvb, gint offset, proto_tree *tree, guint size _U_)
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{
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guint len = 0;
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offset += dissect_uleb128( tvb, offset, &len );
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proto_tree_add_item(tree, hf_netsync_cmd_error_msg, tvb,
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offset, len, FALSE );
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offset += len;
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return offset;
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}
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static gint dissect_netsync_cmd_bye(tvbuff_t *tvb _U_, gint offset, proto_tree *tree _U_, guint size _U_)
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{
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return offset;
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}
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static gint dissect_netsync_cmd_hello(tvbuff_t *tvb, gint offset, proto_tree *tree, guint size _U_)
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{
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guint len = 0;
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offset += dissect_uleb128( tvb, offset, &len );
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proto_tree_add_item(tree, hf_netsync_cmd_hello_keyname, tvb,
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offset, len, FALSE );
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offset += len;
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offset += dissect_uleb128( tvb, offset, &len );
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proto_tree_add_item(tree, hf_netsync_cmd_hello_key, tvb,
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offset, len, FALSE );
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offset += len;
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proto_tree_add_item(tree, hf_netsync_cmd_nonce, tvb,
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offset, NETSNYC_MERKLE_HASH_LENGTH, FALSE );
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offset += NETSNYC_MERKLE_HASH_LENGTH;
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return offset;
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}
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static gint dissect_netsync_cmd_anonymous(tvbuff_t *tvb, gint offset, proto_tree *tree, guint size _U_)
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{
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guint len = 0;
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proto_tree_add_item(tree, hf_netsync_cmd_anonymous_role, tvb,
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offset, 1, FALSE );
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offset += 1;
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offset += dissect_uleb128( tvb, offset, &len );
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proto_tree_add_item(tree, hf_netsync_cmd_anonymous_collection, tvb,
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offset, len, FALSE );
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offset += len;
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proto_tree_add_item(tree, hf_netsync_cmd_nonce, tvb,
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offset, NETSNYC_MERKLE_HASH_LENGTH, FALSE );
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offset += NETSNYC_MERKLE_HASH_LENGTH;
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return offset;
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}
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static gint dissect_netsync_cmd_auth(tvbuff_t *tvb, gint offset, proto_tree *tree, guint size _U_)
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{
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guint len = 0;
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proto_tree_add_item(tree, hf_netsync_cmd_auth_role, tvb,
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offset, 1, FALSE );
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offset += 1;
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offset += dissect_uleb128( tvb, offset, &len );
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proto_tree_add_item(tree, hf_netsync_cmd_auth_collection, tvb,
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offset, len, FALSE );
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offset += len;
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proto_tree_add_item(tree, hf_netsync_cmd_auth_id, tvb,
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offset, NETSNYC_MERKLE_HASH_LENGTH, FALSE );
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offset += NETSNYC_MERKLE_HASH_LENGTH;
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offset += len;
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proto_tree_add_item(tree, hf_netsync_cmd_auth_nonce1, tvb,
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offset, NETSNYC_MERKLE_HASH_LENGTH, FALSE );
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offset += NETSNYC_MERKLE_HASH_LENGTH;
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offset += len;
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proto_tree_add_item(tree, hf_netsync_cmd_auth_nonce2, tvb,
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offset, NETSNYC_MERKLE_HASH_LENGTH, FALSE );
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offset += NETSNYC_MERKLE_HASH_LENGTH;
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offset += dissect_uleb128( tvb, offset, &len );
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proto_tree_add_item(tree, hf_netsync_cmd_auth_sig, tvb,
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offset, len, FALSE );
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offset += len;
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return offset;
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}
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static gint dissect_netsync_cmd_confirm(tvbuff_t *tvb, gint offset, proto_tree *tree, guint size _U_)
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{
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guint len = 0;
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offset += dissect_uleb128( tvb, offset, &len );
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proto_tree_add_item(tree, hf_netsync_cmd_confirm_sig, tvb,
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offset, len, FALSE );
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offset += len;
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return offset;
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}
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static gint dissect_netsync_cmd_refine(tvbuff_t *tvb, gint offset, proto_tree *tree, guint size)
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{
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proto_tree_add_item(tree, hf_netsync_cmd_refine_tree_node, tvb,
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offset, size, FALSE );
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offset += size;
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return offset;
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}
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static gint dissect_netsync_cmd_done(tvbuff_t *tvb, gint offset, proto_tree *tree, guint size _U_)
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{
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guint len = 0;
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guint bytes = 0;
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bytes = dissect_uleb128( tvb, offset, &len );
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proto_tree_add_uint(tree, hf_netsync_cmd_done_level, tvb,
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offset, bytes, len );
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offset += bytes;
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proto_tree_add_item(tree, hf_netsync_cmd_done_type, tvb,
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offset, 1, FALSE );
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offset += 1;
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return offset;
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}
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static gint dissect_netsync_cmd_send_data(tvbuff_t *tvb, gint offset, proto_tree *tree, guint size _U_)
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{
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proto_tree_add_item(tree, hf_netsync_cmd_send_data_type, tvb,
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offset, 1, FALSE );
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offset += 1;
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proto_tree_add_item(tree, hf_netsync_cmd_send_data_id, tvb,
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offset, NETSNYC_MERKLE_HASH_LENGTH, FALSE );
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offset += NETSNYC_MERKLE_HASH_LENGTH;
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return offset;
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}
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static gint dissect_netsync_cmd_send_delta(tvbuff_t *tvb, gint offset, proto_tree *tree, guint size _U_)
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{
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proto_tree_add_item(tree, hf_netsync_cmd_send_delta_type, tvb,
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offset, 1, FALSE );
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offset += 1;
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proto_tree_add_item(tree, hf_netsync_cmd_send_delta_base_id, tvb,
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offset, NETSNYC_MERKLE_HASH_LENGTH, FALSE );
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offset += NETSNYC_MERKLE_HASH_LENGTH;
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proto_tree_add_item(tree, hf_netsync_cmd_send_delta_ident_id, tvb,
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offset, NETSNYC_MERKLE_HASH_LENGTH, FALSE );
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offset += NETSNYC_MERKLE_HASH_LENGTH;
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return offset;
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}
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static gint dissect_netsync_cmd_data(tvbuff_t *tvb, gint offset, proto_tree *tree, guint size _U_)
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{
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guint len = -1;
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proto_tree_add_item(tree, hf_netsync_cmd_data_type, tvb,
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offset, 1, FALSE );
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offset += 1;
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proto_tree_add_item(tree, hf_netsync_cmd_data_id, tvb,
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offset, NETSNYC_MERKLE_HASH_LENGTH, FALSE );
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offset += NETSNYC_MERKLE_HASH_LENGTH;
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proto_tree_add_item(tree, hf_netsync_cmd_data_compressed, tvb,
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offset, 1, FALSE );
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offset += 1;
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offset += dissect_uleb128( tvb, offset, &len );
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proto_tree_add_item(tree, hf_netsync_cmd_data_payload, tvb,
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offset, len, FALSE );
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offset += len;
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return offset;
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}
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static gint dissect_netsync_cmd_delta(tvbuff_t *tvb, gint offset, proto_tree *tree, guint size _U_)
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{
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guint len = 0;
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proto_tree_add_item(tree, hf_netsync_cmd_delta_type, tvb,
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offset, 1, FALSE );
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offset += 1;
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proto_tree_add_item(tree, hf_netsync_cmd_delta_base_id, tvb,
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offset, NETSNYC_MERKLE_HASH_LENGTH, FALSE );
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offset += NETSNYC_MERKLE_HASH_LENGTH;
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proto_tree_add_item(tree, hf_netsync_cmd_delta_ident_id, tvb,
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offset, NETSNYC_MERKLE_HASH_LENGTH, FALSE );
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offset += NETSNYC_MERKLE_HASH_LENGTH;
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proto_tree_add_item(tree, hf_netsync_cmd_delta_compressed, tvb,
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offset, 1, FALSE );
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offset += 1;
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offset += dissect_uleb128( tvb, offset, &len );
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proto_tree_add_item(tree, hf_netsync_cmd_delta_payload, tvb,
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offset, len, FALSE );
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offset += len;
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return offset;
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}
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static gint dissect_netsync_cmd_nonexistant(tvbuff_t *tvb, gint offset, proto_tree *tree, guint size _U_)
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{
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proto_tree_add_item(tree, hf_netsync_cmd_nonexistant_type, tvb,
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offset, 1, FALSE );
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offset += 1;
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proto_tree_add_item(tree, hf_netsync_cmd_nonexistant_id, tvb,
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offset, NETSNYC_MERKLE_HASH_LENGTH, FALSE );
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offset += NETSNYC_MERKLE_HASH_LENGTH;
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return offset;
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}
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static guint
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get_netsync_pdu_len(tvbuff_t *tvb, int offset)
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{
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guint size = 0, size_bytes;
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/* skip version and command */
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offset += 2;
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size_bytes = dissect_uleb128( tvb, offset, &size );
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/* the calculated size if for the data only, this doesn't
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* include the version (1 byte), command (1 byte),
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* lenght (size_bytes bytes) and checksum (4 bytes)
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*/
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return 1 + 1 + size_bytes + size + 4;
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}
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static void
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dissect_netsync_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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gint offset = 0;
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guint8 tmp;
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guint8 cmd, version;
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guint32 size, size_bytes, shift;
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proto_tree *ti,*netsync_tree=NULL;
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/* Set the protocol column */
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if (check_col(pinfo->cinfo,COL_PROTOCOL)) {
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col_set_str(pinfo->cinfo,COL_PROTOCOL,"Netsync");
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}
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if (tree == NULL)
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return;
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while (tvb_reported_length_remaining(tvb, offset) > 0) {
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ti = proto_tree_add_item(tree, proto_netsync, tvb, offset, -1, FALSE);
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netsync_tree = proto_item_add_subtree(ti, ett_netsync);
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version = tvb_get_guint8(tvb, offset);
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proto_tree_add_item(netsync_tree, hf_netsync_version, tvb,
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offset, 1, FALSE );
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offset += 1;
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cmd = tvb_get_guint8(tvb, offset);
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proto_tree_add_item(netsync_tree, hf_netsync_command, tvb,
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offset, 1, FALSE );
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offset += 1;
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/* get size */
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|
size = 0;
|
|
size_bytes = 0;
|
|
shift = 0;
|
|
do {
|
|
tmp = tvb_get_guint8(tvb, offset + size_bytes);
|
|
size_bytes += 1;
|
|
|
|
size |= (tmp & 0x7F) << shift;
|
|
shift += 7;
|
|
} while (tmp & 0x80);
|
|
|
|
|
|
proto_tree_add_uint(netsync_tree, hf_netsync_size, tvb,
|
|
offset, size_bytes, size );
|
|
offset += size_bytes;
|
|
|
|
switch (cmd) {
|
|
case NETSYNC_CMD_DONE:
|
|
dissect_netsync_cmd_done( tvb, offset, netsync_tree, size );
|
|
break;
|
|
|
|
case NETSYNC_CMD_ERROR:
|
|
dissect_netsync_cmd_error( tvb, offset, netsync_tree, size );
|
|
break;
|
|
|
|
case NETSYNC_CMD_BYE:
|
|
dissect_netsync_cmd_bye( tvb, offset, netsync_tree, size );
|
|
break;
|
|
|
|
case NETSYNC_CMD_HELLO:
|
|
dissect_netsync_cmd_hello( tvb, offset, netsync_tree, size );
|
|
break;
|
|
|
|
case NETSYNC_CMD_ANONYMOUS:
|
|
dissect_netsync_cmd_anonymous( tvb, offset, netsync_tree, size );
|
|
break;
|
|
|
|
case NETSYNC_CMD_AUTH:
|
|
dissect_netsync_cmd_auth( tvb, offset, netsync_tree, size );
|
|
break;
|
|
|
|
case NETSYNC_CMD_CONFIRM:
|
|
dissect_netsync_cmd_confirm( tvb, offset, netsync_tree, size );
|
|
break;
|
|
|
|
case NETSYNC_CMD_REFINE:
|
|
dissect_netsync_cmd_refine( tvb, offset, netsync_tree, size );
|
|
break;
|
|
|
|
case NETSYNC_CMD_SEND_DATA:
|
|
dissect_netsync_cmd_send_data( tvb, offset, netsync_tree, size );
|
|
break;
|
|
|
|
case NETSYNC_CMD_SEND_DELTA:
|
|
dissect_netsync_cmd_send_delta( tvb, offset, netsync_tree, size );
|
|
break;
|
|
|
|
case NETSYNC_CMD_DATA:
|
|
dissect_netsync_cmd_data( tvb, offset, netsync_tree, size );
|
|
break;
|
|
|
|
case NETSYNC_CMD_DELTA:
|
|
dissect_netsync_cmd_delta( tvb, offset, netsync_tree, size );
|
|
break;
|
|
|
|
case NETSYNC_CMD_NONEXISTANT:
|
|
dissect_netsync_cmd_nonexistant( tvb, offset, netsync_tree, size );
|
|
break;
|
|
|
|
default:
|
|
proto_tree_add_item(netsync_tree, hf_netsync_data, tvb,
|
|
offset, size, FALSE );
|
|
break;
|
|
}
|
|
|
|
offset += size;
|
|
|
|
proto_tree_add_item(netsync_tree, hf_netsync_checksum, tvb,
|
|
offset, 4, FALSE );
|
|
offset += 4;
|
|
|
|
|
|
proto_item_append_text(netsync_tree, " V%d, Cmd: %s (%d), Size: %d",
|
|
version, match_strval(cmd, netsync_cmd_vals), cmd, size );
|
|
|
|
proto_item_set_len(netsync_tree, 1+1+size_bytes+size+4);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_netsync(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
tcp_dissect_pdus(tvb, pinfo, tree, netsync_desegment, 7, get_netsync_pdu_len,
|
|
dissect_netsync_pdu);
|
|
}
|
|
|
|
void
|
|
proto_register_netsync(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
/* General */
|
|
{ &hf_netsync_version,
|
|
{ "Version", "netsync.version",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Version", HFILL } },
|
|
{ &hf_netsync_command,
|
|
{ "Command", "netsync.command",
|
|
FT_UINT8, BASE_HEX, VALS(netsync_cmd_vals), 0x0,
|
|
"Command", HFILL } },
|
|
{ &hf_netsync_size,
|
|
{ "Size", "netsync.size",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"Size", HFILL } },
|
|
{ &hf_netsync_data,
|
|
{ "Data", "netsync.data",
|
|
FT_BYTES, BASE_HEX, NULL, 0x0,
|
|
"Data", HFILL } },
|
|
{ &hf_netsync_checksum,
|
|
{ "Checksum", "netsync.checksum",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
"Checksum", HFILL } },
|
|
{ &hf_netsync_cmd_hello_keyname,
|
|
{ "Key Name", "netsync.cmd.hello.keyname",
|
|
FT_STRING, BASE_HEX, NULL, 0x0,
|
|
"Key Name", HFILL } },
|
|
{ &hf_netsync_cmd_hello_key,
|
|
{ "Key", "netsync.cmd.hello.key",
|
|
FT_BYTES, BASE_HEX, NULL, 0x0,
|
|
"Key", HFILL } },
|
|
{ &hf_netsync_cmd_nonce,
|
|
{ "Nonce", "netsync.cmd.nonce",
|
|
FT_BYTES, BASE_HEX, NULL, 0x0,
|
|
"Nonce", HFILL } },
|
|
{ &hf_netsync_cmd_anonymous_role,
|
|
{ "Role", "netsync.cmd.anonymous.role",
|
|
FT_UINT8, BASE_DEC, VALS(netsync_role_vals), 0x0,
|
|
"Role", HFILL } },
|
|
{ &hf_netsync_cmd_anonymous_collection,
|
|
{ "Collection", "netsync.cmd.anonymous.collection",
|
|
FT_STRING, BASE_DEC, NULL, 0x0,
|
|
"Collection", HFILL } },
|
|
{ &hf_netsync_cmd_confirm_sig,
|
|
{ "Signature", "netsync.cmd.confirm.signature",
|
|
FT_BYTES, BASE_HEX, NULL, 0x0,
|
|
"Signature", HFILL } },
|
|
{ &hf_netsync_cmd_send_data_type,
|
|
{ "Type", "netsync.cmd.send_data.type",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Type", HFILL } },
|
|
{ &hf_netsync_cmd_send_data_id,
|
|
{ "ID", "netsync.cmd.send_data.id",
|
|
FT_BYTES, BASE_HEX, NULL, 0x0,
|
|
"ID", HFILL } },
|
|
{ &hf_netsync_cmd_error_msg,
|
|
{ "Message", "netsync.cmd.error.msg",
|
|
FT_STRING, BASE_DEC, NULL, 0x0,
|
|
"Message", HFILL } },
|
|
|
|
{ &hf_netsync_cmd_done_level,
|
|
{ "Level", "netsync.cmd.done.level",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"Level", HFILL } },
|
|
{ &hf_netsync_cmd_auth_role,
|
|
{ "Role", "netsync.cmd.auth.role",
|
|
FT_UINT8, BASE_DEC, VALS(netsync_role_vals), 0x0,
|
|
"Role", HFILL } },
|
|
{ &hf_netsync_cmd_auth_collection,
|
|
{ "Collection", "netsync.cmd.auth.collection",
|
|
FT_STRING, BASE_DEC, NULL, 0x0,
|
|
"Collection", HFILL } },
|
|
{ &hf_netsync_cmd_auth_id,
|
|
{ "ID", "netsync.cmd.auth.id",
|
|
FT_BYTES, BASE_DEC, NULL, 0x0,
|
|
"ID", HFILL } },
|
|
{ &hf_netsync_cmd_auth_nonce1,
|
|
{ "Nonce 1", "netsync.cmd.auth.nonce1",
|
|
FT_BYTES, BASE_DEC, NULL, 0x0,
|
|
"Nonce 1", HFILL } },
|
|
{ &hf_netsync_cmd_auth_nonce2,
|
|
{ "Nonce 2", "netsync.cmd.auth.nonce2",
|
|
FT_BYTES, BASE_DEC, NULL, 0x0,
|
|
"Nonce 2", HFILL } },
|
|
{ &hf_netsync_cmd_auth_sig,
|
|
{ "Signature", "netsync.cmd.auth.sig",
|
|
FT_BYTES, BASE_DEC, NULL, 0x0,
|
|
"Signature", HFILL } },
|
|
{ &hf_netsync_cmd_data_type,
|
|
{ "Type", "netsync.cmd.data.type",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Type", HFILL } },
|
|
{ &hf_netsync_cmd_data_id,
|
|
{ "ID", "netsync.cmd.data.id",
|
|
FT_BYTES, BASE_DEC, NULL, 0x0,
|
|
"ID", HFILL } },
|
|
{ &hf_netsync_cmd_data_compressed,
|
|
{ "Compressed", "netsync.cmd.data.compressed",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Compressed", HFILL } },
|
|
{ &hf_netsync_cmd_data_payload,
|
|
{ "Payload", "netsync.cmd.data.payload",
|
|
FT_BYTES, BASE_DEC, NULL, 0x0,
|
|
"Payload", HFILL } },
|
|
{ &hf_netsync_cmd_delta_type,
|
|
{ "Type", "netsync.cmd.delta.type",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Type", HFILL } },
|
|
{ &hf_netsync_cmd_delta_base_id,
|
|
{ "Base ID", "netsync.cmd.delta.base_id",
|
|
FT_BYTES, BASE_DEC, NULL, 0x0,
|
|
"Base ID", HFILL } },
|
|
{ &hf_netsync_cmd_delta_ident_id,
|
|
{ "Ident ID", "netsync.cmd.delta.ident_id",
|
|
FT_BYTES, BASE_DEC, NULL, 0x0,
|
|
"Ident ID", HFILL } },
|
|
{ &hf_netsync_cmd_delta_compressed,
|
|
{ "Compressed", "netsync.cmd.delta.compressed",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Compressed", HFILL } },
|
|
{ &hf_netsync_cmd_delta_payload,
|
|
{ "Payload", "netsync.cmd.delta.payload",
|
|
FT_BYTES, BASE_DEC, NULL, 0x0,
|
|
"Payload", HFILL } },
|
|
{ &hf_netsync_cmd_refine_tree_node,
|
|
{ "Tree Node", "netsync.cmd.refine.tree_node",
|
|
FT_BYTES, BASE_DEC, NULL, 0x0,
|
|
"Tree Node", HFILL } },
|
|
{ &hf_netsync_cmd_send_delta_type,
|
|
{ "Type", "netsync.cmd.send_delta.type",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Type", HFILL } },
|
|
{ &hf_netsync_cmd_send_delta_base_id,
|
|
{ "Base ID", "netsync.cmd.send_delta.base_id",
|
|
FT_BYTES, BASE_DEC, NULL, 0x0,
|
|
"Base ID", HFILL } },
|
|
{ &hf_netsync_cmd_send_delta_ident_id,
|
|
{ "Ident ID", "netsync.cmd.send_delta.ident_id",
|
|
FT_BYTES, BASE_DEC, NULL, 0x0,
|
|
"Ident ID", HFILL } },
|
|
{ &hf_netsync_cmd_nonexistant_id,
|
|
{ "ID", "netsync.cmd.nonexistant.id",
|
|
FT_BYTES, BASE_DEC, NULL, 0x0,
|
|
"ID", HFILL } },
|
|
{ &hf_netsync_cmd_nonexistant_type,
|
|
{ "Type", "netsync.cmd.nonexistant.type",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Type", HFILL } },
|
|
{ &hf_netsync_cmd_done_type,
|
|
{ "Type", "netsync.cmd.done.type",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Type", HFILL } }
|
|
|
|
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_netsync,
|
|
};
|
|
|
|
module_t *netsync_module;
|
|
|
|
proto_netsync = proto_register_protocol("Monotone Netsync", "Netsync", "netsync");
|
|
proto_register_field_array(proto_netsync, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
netsync_handle = create_dissector_handle(dissect_netsync, proto_netsync);
|
|
|
|
netsync_module = prefs_register_protocol(proto_netsync,
|
|
proto_reg_handoff_netsync);
|
|
|
|
prefs_register_uint_preference(netsync_module, "tcp_port",
|
|
"Monotone Netsync TCP Port",
|
|
"The TCP port on which Monotone Netsync packets will be sent",
|
|
10, &global_tcp_port_netsync);
|
|
|
|
|
|
prefs_register_bool_preference(netsync_module, "desegment_netsync_messages",
|
|
"Reassemble Netsync messages spanning multiple TCP segments",
|
|
"Whether the Netsync dissector should reassemble messages spanning multiple TCP segments."
|
|
" To use this option, you must also enable \"Allow subdissectors to reassemble TCP streams\" in the TCP protocol settings.",
|
|
&netsync_desegment);
|
|
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_netsync(void)
|
|
{
|
|
static gint initialized = 0;
|
|
|
|
if (initialized) {
|
|
dissector_delete("tcp.port", tcp_port_netsync, netsync_handle);
|
|
} else {
|
|
initialized = 1;
|
|
}
|
|
|
|
tcp_port_netsync = global_tcp_port_netsync;
|
|
dissector_add("tcp.port", global_tcp_port_netsync, netsync_handle);
|
|
}
|
|
|