2013-02-10 16:52:52 +00:00
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/* packet-bitcoin.c
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* Routines for bitcoin dissection
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* Copyright 2011, Christian Svensson <blue@cmd.nu>
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* Bitcoin address: 15Y2EN5mLnsTt3CZBfgpnZR5SeLwu7WEHz
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*
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* See https://en.bitcoin.it/wiki/Protocol_specification
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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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2013-08-30 21:31:42 +00:00
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#define NEW_PROTO_TREE_API
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2013-02-10 16:52:52 +00:00
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#include "config.h"
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#include <glib.h>
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#include <epan/packet.h>
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2013-11-10 15:59:37 +00:00
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#include <epan/exceptions.h>
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2013-02-11 14:59:03 +00:00
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#include <epan/prefs.h>
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2013-02-10 16:52:52 +00:00
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#include <epan/expert.h>
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#include "packet-tcp.h"
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#define BITCOIN_MAIN_MAGIC_NUMBER 0xD9B4BEF9
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#define BITCOIN_TESTNET_MAGIC_NUMBER 0xDAB5BFFA
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#define BITCOIN_TESTNET3_MAGIC_NUMBER 0x0709110B
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2013-08-30 21:31:42 +00:00
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static const value_string inv_types[] =
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{
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{ 0, "ERROR" },
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{ 1, "MSG_TX" },
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{ 2, "MSG_BLOCK" },
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{ 0, NULL }
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};
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2013-02-10 16:52:52 +00:00
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/*
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* Minimum bitcoin identification header.
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* - Magic - 4 bytes
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* - Command - 12 bytes
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* - Payload length - 4 bytes
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2013-10-15 00:05:45 +00:00
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* - Checksum - 4 bytes
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2013-02-10 16:52:52 +00:00
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*/
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2013-10-15 00:05:45 +00:00
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#define BITCOIN_HEADER_LENGTH 4+12+4+4
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2013-02-10 16:52:52 +00:00
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2013-03-14 07:37:13 +00:00
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void proto_register_bitcoin(void);
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void proto_reg_handoff_bitcoin(void);
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2013-08-30 21:31:42 +00:00
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static dissector_handle_t bitcoin_handle;
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static header_field_info *hfi_bitcoin = NULL;
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#define BITCOIN_HFI_INIT HFI_INIT(proto_bitcoin)
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static header_field_info hfi_bitcoin_magic BITCOIN_HFI_INIT =
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{ "Packet magic", "bitcoin.magic", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_bitcoin_command BITCOIN_HFI_INIT =
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{ "Command name", "bitcoin.command", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL };
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2013-02-10 16:52:52 +00:00
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2013-08-30 21:31:42 +00:00
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static header_field_info hfi_bitcoin_length BITCOIN_HFI_INIT =
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{ "Payload Length", "bitcoin.length", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_bitcoin_checksum BITCOIN_HFI_INIT =
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{ "Payload checksum", "bitcoin.checksum", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL };
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2013-02-10 16:52:52 +00:00
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/* version message */
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2013-08-30 21:31:42 +00:00
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static header_field_info hfi_bitcoin_msg_version BITCOIN_HFI_INIT =
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{ "Version message", "bitcoin.version", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_version_version BITCOIN_HFI_INIT =
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{ "Protocol version", "bitcoin.version.version", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_version_services BITCOIN_HFI_INIT =
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{ "Node services", "bitcoin.version.services", FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_version_timestamp BITCOIN_HFI_INIT =
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{ "Node timestamp", "bitcoin.version.timestamp", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_version_addr_me BITCOIN_HFI_INIT =
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{ "Address of emmitting node", "bitcoin.version.addr_me", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_version_addr_you BITCOIN_HFI_INIT =
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2013-10-15 00:05:45 +00:00
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{ "Address as receiving node", "bitcoin.version.addr_you", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL };
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2013-08-30 21:31:42 +00:00
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static header_field_info hfi_msg_version_nonce BITCOIN_HFI_INIT =
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{ "Random nonce", "bitcoin.version.nonce", FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL };
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2013-10-15 00:05:45 +00:00
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static header_field_info hfi_msg_version_user_agent BITCOIN_HFI_INIT =
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{ "User agent", "bitcoin.version.user_agent", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL };
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2013-08-30 21:31:42 +00:00
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static header_field_info hfi_msg_version_start_height BITCOIN_HFI_INIT =
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{ "Block start height", "bitcoin.version.start_height", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL };
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2013-02-10 16:52:52 +00:00
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/* addr message */
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2013-08-30 21:31:42 +00:00
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static header_field_info hfi_msg_addr_count8 BITCOIN_HFI_INIT =
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{ "Count", "bitcoin.addr.count", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_addr_count16 BITCOIN_HFI_INIT =
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{ "Count", "bitcoin.addr.count", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_addr_count32 BITCOIN_HFI_INIT =
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{ "Count", "bitcoin.addr.count", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_addr_count64 BITCOIN_HFI_INIT =
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{ "Count", "bitcoin.addr.count", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_bitcoin_msg_addr BITCOIN_HFI_INIT =
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{ "Address message", "bitcoin.addr", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_addr_address BITCOIN_HFI_INIT =
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{ "Address", "bitcoin.addr.address", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_addr_timestamp BITCOIN_HFI_INIT =
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{ "Address timestamp", "bitcoin.addr.timestamp", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x0, NULL, HFILL };
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2013-02-10 16:52:52 +00:00
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/* inv message */
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2013-08-30 21:31:42 +00:00
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static header_field_info hfi_msg_inv_count8 BITCOIN_HFI_INIT =
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{ "Count", "bitcoin.inv.count", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_inv_count16 BITCOIN_HFI_INIT =
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{ "Count", "bitcoin.inv.count", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_inv_count32 BITCOIN_HFI_INIT =
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{ "Count", "bitcoin.inv.count", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_inv_count64 BITCOIN_HFI_INIT =
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{ "Count", "bitcoin.inv.count", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_bitcoin_msg_inv BITCOIN_HFI_INIT =
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{ "Inventory message", "bitcoin.inv", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_inv_type BITCOIN_HFI_INIT =
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{ "Type", "bitcoin.inv.type", FT_UINT32, BASE_DEC, VALS(inv_types), 0x0, NULL, HFILL };
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static header_field_info hfi_msg_inv_hash BITCOIN_HFI_INIT =
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{ "Data hash", "bitcoin.inv.hash", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL };
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2013-02-10 16:52:52 +00:00
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/* getdata message */
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2013-08-30 21:31:42 +00:00
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static header_field_info hfi_msg_getdata_count8 BITCOIN_HFI_INIT =
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{ "Count", "bitcoin.getdata.count", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_getdata_count16 BITCOIN_HFI_INIT =
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{ "Count", "bitcoin.getdata.count", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_getdata_count32 BITCOIN_HFI_INIT =
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{ "Count", "bitcoin.getdata.count", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_getdata_count64 BITCOIN_HFI_INIT =
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{ "Count", "bitcoin.getdata.count", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_bitcoin_msg_getdata BITCOIN_HFI_INIT =
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{ "Getdata message", "bitcoin.getdata", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_getdata_type BITCOIN_HFI_INIT =
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{ "Type", "bitcoin.getdata.type", FT_UINT32, BASE_DEC, VALS(inv_types), 0x0, NULL, HFILL };
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static header_field_info hfi_msg_getdata_hash BITCOIN_HFI_INIT =
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{ "Data hash", "bitcoin.getdata.hash", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL };
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2013-02-10 16:52:52 +00:00
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/* getblocks message */
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2013-08-30 21:31:42 +00:00
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static header_field_info hfi_msg_getblocks_count8 BITCOIN_HFI_INIT =
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{ "Count", "bitcoin.getblocks.count", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_getblocks_count16 BITCOIN_HFI_INIT =
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{ "Count", "bitcoin.getblocks.count", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_getblocks_count32 BITCOIN_HFI_INIT =
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{ "Count", "bitcoin.getblocks.count", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_getblocks_count64 BITCOIN_HFI_INIT =
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{ "Count", "bitcoin.getblocks.count", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_bitcoin_msg_getblocks BITCOIN_HFI_INIT =
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{ "Getdata message", "bitcoin.getblocks", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_getblocks_start BITCOIN_HFI_INIT =
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{ "Starting hash", "bitcoin.getblocks.hash_start", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_getblocks_stop BITCOIN_HFI_INIT =
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{ "Stopping hash", "bitcoin.getblocks.hash_stop", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL };
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2013-02-10 16:52:52 +00:00
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/* getheaders message */
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2013-08-30 21:31:42 +00:00
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static header_field_info hfi_msg_getheaders_count8 BITCOIN_HFI_INIT =
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{ "Count", "bitcoin.getheaders.count", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_getheaders_count16 BITCOIN_HFI_INIT =
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{ "Count", "bitcoin.getheaders.count", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_getheaders_count32 BITCOIN_HFI_INIT =
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{ "Count", "bitcoin.getheaders.count", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_getheaders_count64 BITCOIN_HFI_INIT =
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{ "Count", "bitcoin.getheaders.count", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_bitcoin_msg_getheaders BITCOIN_HFI_INIT =
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{ "Getheaders message", "bitcoin.getheaders", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_getheaders_start BITCOIN_HFI_INIT =
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{ "Starting hash", "bitcoin.getheaders.hash_start", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_getheaders_stop BITCOIN_HFI_INIT =
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{ "Stopping hash", "bitcoin.getheaders.hash_stop", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL };
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2013-02-10 16:52:52 +00:00
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/* tx message */
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2013-08-30 21:31:42 +00:00
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static header_field_info hfi_msg_tx_in_count8 BITCOIN_HFI_INIT =
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{ "Input Count", "bitcoin.tx.input_count", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_tx_in_count16 BITCOIN_HFI_INIT =
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{ "Input Count", "bitcoin.tx.input_count", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_tx_in_count32 BITCOIN_HFI_INIT =
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{ "Input Count", "bitcoin.tx.input_count", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_tx_in_count64 BITCOIN_HFI_INIT =
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{ "Input Count", "bitcoin.tx.input_count", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_bitcoin_msg_tx BITCOIN_HFI_INIT =
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{ "Tx message", "bitcoin.tx", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_tx_version BITCOIN_HFI_INIT =
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{ "Transaction version", "bitcoin.tx.version", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_tx_in_script8 BITCOIN_HFI_INIT =
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{ "Script Length", "bitcoin.tx.in.script_length", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_tx_in_script16 BITCOIN_HFI_INIT =
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{ "Script Length", "bitcoin.tx.in.script_length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_tx_in_script32 BITCOIN_HFI_INIT =
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{ "Script Length", "bitcoin.tx.in.script_length", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_tx_in_script64 BITCOIN_HFI_INIT =
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{ "Script Length", "bitcoin.tx.in.script_length", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_tx_in BITCOIN_HFI_INIT =
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{ "Transaction input", "bitcoin.tx.in", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_tx_in_prev_output BITCOIN_HFI_INIT =
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{ "Previous output", "bitcoin.tx.in.prev_output", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL };
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static header_field_info hfi_msg_tx_in_prev_outp_hash BITCOIN_HFI_INIT =
|
|
|
|
{ "Hash", "bitcoin.tx.in.prev_output.hash", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_msg_tx_in_prev_outp_index BITCOIN_HFI_INIT =
|
|
|
|
{ "Index", "bitcoin.tx.in.prev_output.index", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_msg_tx_in_sig_script BITCOIN_HFI_INIT =
|
|
|
|
{ "Signature script", "bitcoin.tx.in.sig_script", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_msg_tx_in_seq BITCOIN_HFI_INIT =
|
|
|
|
{ "Sequence", "bitcoin.tx.in.seq", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_msg_tx_out_count8 BITCOIN_HFI_INIT =
|
|
|
|
{ "Output Count", "bitcoin.tx.output_count", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_msg_tx_out_count16 BITCOIN_HFI_INIT =
|
|
|
|
{ "Output Count", "bitcoin.tx.output_count", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_msg_tx_out_count32 BITCOIN_HFI_INIT =
|
|
|
|
{ "Output Count", "bitcoin.tx.output_count", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_msg_tx_out_count64 BITCOIN_HFI_INIT =
|
|
|
|
{ "Output Count", "bitcoin.tx.output_count", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_msg_tx_out BITCOIN_HFI_INIT =
|
|
|
|
{ "Transaction output", "bitcoin.tx.out", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_msg_tx_out_value BITCOIN_HFI_INIT =
|
|
|
|
{ "Value", "bitcoin.tx.out.value", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_msg_tx_out_script8 BITCOIN_HFI_INIT =
|
|
|
|
{ "Script Length", "bitcoin.tx.out.script_length", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_msg_tx_out_script16 BITCOIN_HFI_INIT =
|
|
|
|
{ "Script Length", "bitcoin.tx.out.script_length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_msg_tx_out_script32 BITCOIN_HFI_INIT =
|
|
|
|
{ "Script Length", "bitcoin.tx.out.script_length", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_msg_tx_out_script64 BITCOIN_HFI_INIT =
|
|
|
|
{ "Script Length", "bitcoin.tx.out.script_length", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_msg_tx_out_script BITCOIN_HFI_INIT =
|
|
|
|
{ "Script", "bitcoin.tx.out.script", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_msg_tx_lock_time BITCOIN_HFI_INIT =
|
|
|
|
{ "Block lock time or block ID", "bitcoin.tx.lock_time", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL };
|
2013-02-10 16:52:52 +00:00
|
|
|
|
|
|
|
/* block message */
|
2013-08-30 21:31:42 +00:00
|
|
|
static header_field_info hfi_msg_block_transactions8 BITCOIN_HFI_INIT =
|
|
|
|
{ "Number of transactions", "bitcoin.block.num_transactions", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_msg_block_transactions16 BITCOIN_HFI_INIT =
|
|
|
|
{ "Number of transactions", "bitcoin.tx.num_transactions", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_msg_block_transactions32 BITCOIN_HFI_INIT =
|
|
|
|
{ "Number of transactions", "bitcoin.tx.num_transactions", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_msg_block_transactions64 BITCOIN_HFI_INIT =
|
|
|
|
{ "Number of transactions", "bitcoin.tx.num_transactions", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_bitcoin_msg_block BITCOIN_HFI_INIT =
|
|
|
|
{ "Block message", "bitcoin.block", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_msg_block_version BITCOIN_HFI_INIT =
|
|
|
|
{ "Block version", "bitcoin.block.version", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_msg_block_prev_block BITCOIN_HFI_INIT =
|
|
|
|
{ "Previous block", "bitcoin.block.prev_block", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_msg_block_merkle_root BITCOIN_HFI_INIT =
|
|
|
|
{ "Merkle root", "bitcoin.block.merkle_root", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_msg_block_time BITCOIN_HFI_INIT =
|
|
|
|
{ "Block timestamp", "bitcoin.block.timestamp", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_msg_block_bits BITCOIN_HFI_INIT =
|
|
|
|
{ "Bits", "bitcoin.block.merkle_root", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_msg_block_nonce BITCOIN_HFI_INIT =
|
|
|
|
{ "Nonce", "bitcoin.block.nonce", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL };
|
2013-02-10 16:52:52 +00:00
|
|
|
|
|
|
|
/* services */
|
2013-08-30 21:31:42 +00:00
|
|
|
static header_field_info hfi_services_network BITCOIN_HFI_INIT =
|
|
|
|
{ "Network node", "bitcoin.services.network", FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x1, NULL, HFILL };
|
2013-02-10 16:52:52 +00:00
|
|
|
|
|
|
|
/* address */
|
2013-08-30 21:31:42 +00:00
|
|
|
static header_field_info hfi_address_services BITCOIN_HFI_INIT =
|
|
|
|
{ "Node services", "bitcoin.address.services", FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_address_address BITCOIN_HFI_INIT =
|
|
|
|
{ "Node address", "bitcoin.address.address", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL };
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
static header_field_info hfi_address_port BITCOIN_HFI_INIT =
|
|
|
|
{ "Node port", "bitcoin.address.port", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL };
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2013-10-15 00:05:45 +00:00
|
|
|
/* variable string */
|
|
|
|
static header_field_info hfi_string_value BITCOIN_HFI_INIT =
|
|
|
|
{ "String value", "bitcoin.string.value", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_string_varint_count8 BITCOIN_HFI_INIT =
|
|
|
|
{ "Count", "bitcoin.string.count", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_string_varint_count16 BITCOIN_HFI_INIT =
|
|
|
|
{ "Count", "bitcoin.string.count", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_string_varint_count32 BITCOIN_HFI_INIT =
|
|
|
|
{ "Count", "bitcoin.string.count", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
static header_field_info hfi_string_varint_count64 BITCOIN_HFI_INIT =
|
|
|
|
{ "Count", "bitcoin.string.count", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL };
|
|
|
|
|
|
|
|
|
2013-02-10 16:52:52 +00:00
|
|
|
static gint ett_bitcoin = -1;
|
|
|
|
static gint ett_bitcoin_msg = -1;
|
|
|
|
static gint ett_services = -1;
|
|
|
|
static gint ett_address = -1;
|
2013-10-15 00:05:45 +00:00
|
|
|
static gint ett_string = -1;
|
2013-02-10 16:52:52 +00:00
|
|
|
static gint ett_addr_list = -1;
|
|
|
|
static gint ett_inv_list = -1;
|
|
|
|
static gint ett_getdata_list = -1;
|
|
|
|
static gint ett_getblocks_list = -1;
|
|
|
|
static gint ett_getheaders_list = -1;
|
|
|
|
static gint ett_tx_in_list = -1;
|
|
|
|
static gint ett_tx_in_outp = -1;
|
|
|
|
static gint ett_tx_out_list = -1;
|
|
|
|
|
2013-05-25 17:06:40 +00:00
|
|
|
static expert_field ei_bitcoin_command_unknown = EI_INIT;
|
|
|
|
|
|
|
|
|
2013-02-10 16:52:52 +00:00
|
|
|
static gboolean bitcoin_desegment = TRUE;
|
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
static guint
|
|
|
|
get_bitcoin_pdu_length(packet_info *pinfo _U_, tvbuff_t *tvb, int offset)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
|
|
|
guint32 length;
|
|
|
|
length = BITCOIN_HEADER_LENGTH;
|
|
|
|
|
|
|
|
/* add payload length */
|
|
|
|
length += tvb_get_letohl(tvb, offset+16);
|
|
|
|
|
|
|
|
return length;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Create a services sub-tree for bit-by-bit display
|
|
|
|
*/
|
2013-02-13 00:46:15 +00:00
|
|
|
static proto_tree *
|
|
|
|
create_services_tree(tvbuff_t *tvb, proto_item *ti, guint32 offset)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
|
|
|
proto_tree *tree;
|
|
|
|
guint64 services;
|
|
|
|
|
|
|
|
tree = proto_item_add_subtree(ti, ett_services);
|
|
|
|
|
|
|
|
/* start of services */
|
|
|
|
/* NOTE:
|
|
|
|
* - 2011-06-05
|
2013-02-11 14:59:03 +00:00
|
|
|
* Currently the boolean tree only supports a maximum of
|
2013-02-10 16:52:52 +00:00
|
|
|
* 32 bits - so we split services in two
|
|
|
|
*/
|
|
|
|
services = tvb_get_letoh64(tvb, offset);
|
|
|
|
|
|
|
|
/* service = NODE_NETWORK */
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_boolean(tree, &hfi_services_network, tvb, offset, 4, (guint32)services);
|
2013-02-10 16:52:52 +00:00
|
|
|
|
|
|
|
/* end of services */
|
|
|
|
|
|
|
|
return tree;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Create a sub-tree and fill it with a net_addr structure
|
|
|
|
*/
|
2013-02-13 00:46:15 +00:00
|
|
|
static proto_tree *
|
|
|
|
create_address_tree(tvbuff_t *tvb, proto_item *ti, guint32 offset)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
|
|
|
proto_tree *tree;
|
|
|
|
|
|
|
|
tree = proto_item_add_subtree(ti, ett_address);
|
|
|
|
|
|
|
|
/* services */
|
2013-08-30 21:31:42 +00:00
|
|
|
ti = proto_tree_add_item(tree, &hfi_address_services, tvb, offset, 8, ENC_LITTLE_ENDIAN);
|
2013-02-10 16:52:52 +00:00
|
|
|
create_services_tree(tvb, ti, offset);
|
|
|
|
offset += 8;
|
|
|
|
|
|
|
|
/* IPv6 address */
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(tree, &hfi_address_address, tvb, offset, 16, ENC_NA);
|
2013-02-10 16:52:52 +00:00
|
|
|
offset += 16;
|
|
|
|
|
|
|
|
/* port */
|
2013-10-15 00:05:45 +00:00
|
|
|
proto_tree_add_item(tree, &hfi_address_port, tvb, offset, 2, ENC_BIG_ENDIAN);
|
2013-02-10 16:52:52 +00:00
|
|
|
|
|
|
|
return tree;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Extract a variable length integer from a tvbuff
|
|
|
|
*/
|
2013-02-13 00:46:15 +00:00
|
|
|
static void
|
|
|
|
get_varint(tvbuff_t *tvb, const gint offset, gint *length, guint64 *ret)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
2013-02-11 14:59:03 +00:00
|
|
|
guint value;
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
/* Note: just throw an exception if not enough bytes are available in the tvbuff */
|
2013-02-10 16:52:52 +00:00
|
|
|
|
|
|
|
/* calculate variable length */
|
|
|
|
value = tvb_get_guint8(tvb, offset);
|
2013-02-11 14:59:03 +00:00
|
|
|
if (value < 0xfd)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
|
|
|
*length = 1;
|
|
|
|
*ret = value;
|
2013-02-13 00:46:15 +00:00
|
|
|
return;
|
2013-02-10 16:52:52 +00:00
|
|
|
}
|
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
if (value == 0xfd)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
|
|
|
*length = 3;
|
|
|
|
*ret = tvb_get_letohs(tvb, offset+1);
|
2013-02-13 00:46:15 +00:00
|
|
|
return;
|
2013-02-10 16:52:52 +00:00
|
|
|
}
|
2013-02-13 00:46:15 +00:00
|
|
|
if (value == 0xfe)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
|
|
|
*length = 5;
|
|
|
|
*ret = tvb_get_letohl(tvb, offset+1);
|
2013-02-13 00:46:15 +00:00
|
|
|
return;
|
2013-02-10 16:52:52 +00:00
|
|
|
}
|
2013-02-11 14:59:03 +00:00
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
*length = 9;
|
|
|
|
*ret = tvb_get_letoh64(tvb, offset+1);
|
|
|
|
return;
|
|
|
|
|
2013-02-10 16:52:52 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void add_varint_item(proto_tree *tree, tvbuff_t *tvb, const gint offset, gint length,
|
2013-08-30 21:31:42 +00:00
|
|
|
header_field_info *hfi8, header_field_info *hfi16, header_field_info *hfi32, header_field_info *hfi64)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
2013-02-11 14:59:03 +00:00
|
|
|
switch (length)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
|
|
|
case 1:
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(tree, hfi8, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
2013-02-10 16:52:52 +00:00
|
|
|
break;
|
|
|
|
case 3:
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(tree, hfi16, tvb, offset+1, 2, ENC_LITTLE_ENDIAN);
|
2013-02-10 16:52:52 +00:00
|
|
|
break;
|
|
|
|
case 5:
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(tree, hfi32, tvb, offset+1, 4, ENC_LITTLE_ENDIAN);
|
2013-02-10 16:52:52 +00:00
|
|
|
break;
|
|
|
|
case 9:
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(tree, hfi64, tvb, offset+1, 8, ENC_LITTLE_ENDIAN);
|
2013-02-10 16:52:52 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2013-10-15 00:05:45 +00:00
|
|
|
static proto_tree *
|
|
|
|
create_string_tree(proto_tree *tree, header_field_info* hfi, tvbuff_t *tvb, guint32* offset)
|
|
|
|
{
|
|
|
|
proto_tree *subtree;
|
|
|
|
proto_item *ti;
|
|
|
|
gint varint_length;
|
|
|
|
guint64 varint;
|
|
|
|
gint string_length;
|
|
|
|
|
|
|
|
/* First is the length of the following string as a varint */
|
|
|
|
get_varint(tvb, *offset, &varint_length, &varint);
|
|
|
|
string_length = (gint) varint;
|
|
|
|
|
|
|
|
ti = proto_tree_add_item(tree, hfi, tvb, *offset, varint_length + string_length, ENC_NA);
|
|
|
|
subtree = proto_item_add_subtree(ti, ett_string);
|
|
|
|
|
|
|
|
/* length */
|
2013-10-16 20:35:08 +00:00
|
|
|
add_varint_item(subtree, tvb, *offset, varint_length, &hfi_string_varint_count8,
|
|
|
|
&hfi_string_varint_count16, &hfi_string_varint_count32,
|
2013-10-15 00:05:45 +00:00
|
|
|
&hfi_string_varint_count64);
|
|
|
|
*offset += varint_length;
|
|
|
|
|
|
|
|
/* string */
|
2013-10-16 20:35:08 +00:00
|
|
|
proto_tree_add_item(subtree, &hfi_string_value, tvb, *offset, string_length,
|
2013-10-15 00:05:45 +00:00
|
|
|
ENC_ASCII|ENC_NA);
|
|
|
|
*offset += string_length;
|
|
|
|
|
|
|
|
return subtree;
|
|
|
|
}
|
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
/* Note: A number of the following message handlers include code of the form:
|
|
|
|
* ...
|
|
|
|
* guint64 count;
|
|
|
|
* ...
|
|
|
|
* for (; count > 0; count--)
|
|
|
|
* {
|
|
|
|
* proto_tree_add_item9...);
|
|
|
|
* offset += ...;
|
|
|
|
* proto_tree_add_item9...);
|
|
|
|
* offset += ...;
|
|
|
|
* ...
|
|
|
|
* }
|
|
|
|
* ...
|
|
|
|
*
|
|
|
|
* Issue if 'count' is a very large number:
|
|
|
|
* If 'tree' is NULL, then the result will be effectively (but not really)
|
|
|
|
* an infinite loop. This is true because if 'tree' is NULL then
|
|
|
|
* proto_tree_add_item(tree, ...) is effectively a no-op and will not throw
|
|
|
|
* an exception.
|
|
|
|
* So: the loop should be executed only when 'tree' is defined so that the
|
|
|
|
* proto_ calls will throw an exception when the tvb is used up;
|
|
|
|
* This should only take a few-hundred loops at most.
|
|
|
|
* https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8312
|
|
|
|
*/
|
|
|
|
|
2013-02-10 16:52:52 +00:00
|
|
|
/**
|
|
|
|
* Handler for version messages
|
|
|
|
*/
|
2013-02-13 00:46:15 +00:00
|
|
|
static void
|
|
|
|
dissect_bitcoin_msg_version(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
|
|
|
proto_item *ti;
|
2013-02-13 00:46:15 +00:00
|
|
|
guint32 version;
|
|
|
|
guint32 offset = 0;
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
if (!tree)
|
|
|
|
return;
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
ti = proto_tree_add_item(tree, &hfi_bitcoin_msg_version, tvb, offset, -1, ENC_NA);
|
2013-02-10 16:52:52 +00:00
|
|
|
tree = proto_item_add_subtree(ti, ett_bitcoin_msg);
|
|
|
|
|
|
|
|
version = tvb_get_letohl(tvb, offset);
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(tree, &hfi_msg_version_version, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
2013-02-10 16:52:52 +00:00
|
|
|
offset += 4;
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
ti = proto_tree_add_item(tree, &hfi_msg_version_services, tvb, offset, 8, ENC_LITTLE_ENDIAN);
|
2013-02-10 16:52:52 +00:00
|
|
|
create_services_tree(tvb, ti, offset);
|
|
|
|
offset += 8;
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(tree, &hfi_msg_version_timestamp, tvb, offset, 8, ENC_TIME_TIMESPEC|ENC_LITTLE_ENDIAN);
|
2013-02-10 16:52:52 +00:00
|
|
|
offset += 8;
|
|
|
|
|
2013-10-15 00:05:45 +00:00
|
|
|
ti = proto_tree_add_item(tree, &hfi_msg_version_addr_you, tvb, offset, 26, ENC_NA);
|
2013-02-10 16:52:52 +00:00
|
|
|
create_address_tree(tvb, ti, offset);
|
|
|
|
offset += 26;
|
|
|
|
|
2013-02-11 14:59:03 +00:00
|
|
|
if (version >= 106)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
2013-10-15 00:05:45 +00:00
|
|
|
ti = proto_tree_add_item(tree, &hfi_msg_version_addr_me, tvb, offset, 26, ENC_NA);
|
2013-02-10 16:52:52 +00:00
|
|
|
create_address_tree(tvb, ti, offset);
|
|
|
|
offset += 26;
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(tree, &hfi_msg_version_nonce, tvb, offset, 8, ENC_LITTLE_ENDIAN);
|
2013-02-10 16:52:52 +00:00
|
|
|
offset += 8;
|
|
|
|
|
2013-10-15 00:05:45 +00:00
|
|
|
create_string_tree(tree, &hfi_msg_version_user_agent, tvb, &offset);
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2013-02-11 14:59:03 +00:00
|
|
|
if (version >= 209)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(tree, &hfi_msg_version_start_height, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
2013-02-13 00:46:15 +00:00
|
|
|
/* offset += 4; */
|
2013-02-10 16:52:52 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Handler for address messages
|
|
|
|
*/
|
2013-02-13 00:46:15 +00:00
|
|
|
static void
|
|
|
|
dissect_bitcoin_msg_addr(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
|
|
|
proto_item *ti;
|
2013-02-13 00:46:15 +00:00
|
|
|
gint length;
|
|
|
|
guint64 count;
|
|
|
|
guint32 offset = 0;
|
|
|
|
|
|
|
|
if (!tree)
|
|
|
|
return;
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
ti = proto_tree_add_item(tree, &hfi_bitcoin_msg_addr, tvb, offset, -1, ENC_NA);
|
2013-02-10 16:52:52 +00:00
|
|
|
tree = proto_item_add_subtree(ti, ett_bitcoin_msg);
|
2013-02-11 14:59:03 +00:00
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
get_varint(tvb, offset, &length, &count);
|
2013-08-30 21:31:42 +00:00
|
|
|
add_varint_item(tree, tvb, offset, length, &hfi_msg_addr_count8, &hfi_msg_addr_count16,
|
|
|
|
&hfi_msg_addr_count32, &hfi_msg_addr_count64);
|
2013-02-10 16:52:52 +00:00
|
|
|
offset += length;
|
|
|
|
|
2013-02-11 14:59:03 +00:00
|
|
|
for (; count > 0; count--)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
|
|
|
proto_tree *subtree;
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
ti = proto_tree_add_item(tree, &hfi_msg_addr_address, tvb, offset, 30, ENC_NA);
|
2013-02-10 16:52:52 +00:00
|
|
|
subtree = create_address_tree(tvb, ti, offset+4);
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(subtree, &hfi_msg_addr_timestamp, tvb, offset, 4, ENC_TIME_TIMESPEC|ENC_LITTLE_ENDIAN);
|
2013-02-10 16:52:52 +00:00
|
|
|
offset += 26;
|
|
|
|
offset += 4;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Handler for inventory messages
|
|
|
|
*/
|
2013-02-13 00:46:15 +00:00
|
|
|
static void
|
|
|
|
dissect_bitcoin_msg_inv(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
|
|
|
proto_item *ti;
|
2013-02-13 00:46:15 +00:00
|
|
|
gint length;
|
|
|
|
guint64 count;
|
|
|
|
guint32 offset = 0;
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
if (!tree)
|
|
|
|
return;
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
ti = proto_tree_add_item(tree, &hfi_bitcoin_msg_inv, tvb, offset, -1, ENC_NA);
|
2013-02-10 16:52:52 +00:00
|
|
|
tree = proto_item_add_subtree(ti, ett_bitcoin_msg);
|
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
get_varint(tvb, offset, &length, &count);
|
2013-08-30 21:31:42 +00:00
|
|
|
add_varint_item(tree, tvb, offset, length, &hfi_msg_inv_count8, &hfi_msg_inv_count16,
|
|
|
|
&hfi_msg_inv_count32, &hfi_msg_inv_count64);
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
offset += length;
|
|
|
|
|
2013-02-11 14:59:03 +00:00
|
|
|
for (; count > 0; count--)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
|
|
|
proto_tree *subtree;
|
|
|
|
|
|
|
|
ti = proto_tree_add_text(tree, tvb, offset, 36, "Inventory vector");
|
|
|
|
subtree = proto_item_add_subtree(ti, ett_inv_list);
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(subtree, &hfi_msg_inv_type, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
2013-02-10 16:52:52 +00:00
|
|
|
offset += 4;
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(subtree, &hfi_msg_inv_hash, tvb, offset, 32, ENC_NA);
|
2013-02-10 16:52:52 +00:00
|
|
|
offset += 32;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Handler for getdata messages
|
|
|
|
*/
|
2013-02-13 00:46:15 +00:00
|
|
|
static void
|
|
|
|
dissect_bitcoin_msg_getdata(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
|
|
|
proto_item *ti;
|
2013-02-13 00:46:15 +00:00
|
|
|
gint length;
|
|
|
|
guint64 count;
|
|
|
|
guint32 offset = 0;
|
|
|
|
|
|
|
|
if (!tree)
|
|
|
|
return;
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
ti = proto_tree_add_item(tree, &hfi_bitcoin_msg_getdata, tvb, offset, -1, ENC_NA);
|
2013-02-10 16:52:52 +00:00
|
|
|
tree = proto_item_add_subtree(ti, ett_bitcoin_msg);
|
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
get_varint(tvb, offset, &length, &count);
|
2013-08-30 21:31:42 +00:00
|
|
|
add_varint_item(tree, tvb, offset, length, &hfi_msg_getdata_count8, &hfi_msg_getdata_count16,
|
|
|
|
&hfi_msg_getdata_count32, &hfi_msg_getdata_count64);
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
offset += length;
|
|
|
|
|
|
|
|
for (; count > 0; count--)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
2013-02-13 00:46:15 +00:00
|
|
|
proto_tree *subtree;
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2014-06-22 20:01:36 +00:00
|
|
|
subtree = proto_tree_add_subtree(tree, tvb, offset, 36, ett_getdata_list, NULL, "Inventory vector");
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(subtree, &hfi_msg_getdata_type, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
2013-02-13 00:46:15 +00:00
|
|
|
offset += 4;
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(subtree, &hfi_msg_getdata_hash, tvb, offset, 32, ENC_NA);
|
2013-02-13 00:46:15 +00:00
|
|
|
offset += 32;
|
2013-02-10 16:52:52 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Handler for getblocks messages
|
|
|
|
*/
|
2013-02-13 00:46:15 +00:00
|
|
|
static void
|
|
|
|
dissect_bitcoin_msg_getblocks(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
|
|
|
proto_item *ti;
|
2013-02-13 00:46:15 +00:00
|
|
|
gint length;
|
|
|
|
guint64 count;
|
|
|
|
guint32 offset = 0;
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
if (!tree)
|
|
|
|
return;
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
ti = proto_tree_add_item(tree, &hfi_bitcoin_msg_getblocks, tvb, offset, -1, ENC_NA);
|
2013-02-10 16:52:52 +00:00
|
|
|
tree = proto_item_add_subtree(ti, ett_bitcoin_msg);
|
2013-02-11 14:59:03 +00:00
|
|
|
|
2013-02-10 16:52:52 +00:00
|
|
|
/* why the protcol version is sent here nobody knows */
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(tree, &hfi_msg_version_version, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
2013-02-10 16:52:52 +00:00
|
|
|
offset += 4;
|
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
get_varint(tvb, offset, &length, &count);
|
2013-08-30 21:31:42 +00:00
|
|
|
add_varint_item(tree, tvb, offset, length, &hfi_msg_getblocks_count8, &hfi_msg_getblocks_count16,
|
|
|
|
&hfi_msg_getblocks_count32, &hfi_msg_getblocks_count64);
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
offset += length;
|
|
|
|
|
2013-02-11 14:59:03 +00:00
|
|
|
for (; count > 0; count--)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(tree, &hfi_msg_getblocks_start, tvb, offset, 32, ENC_NA);
|
2013-02-10 16:52:52 +00:00
|
|
|
offset += 32;
|
|
|
|
}
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(tree, &hfi_msg_getblocks_stop, tvb, offset, 32, ENC_NA);
|
2013-02-10 16:52:52 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Handler for getheaders messages
|
|
|
|
* UNTESTED
|
|
|
|
*/
|
2013-02-13 00:46:15 +00:00
|
|
|
static void
|
|
|
|
dissect_bitcoin_msg_getheaders(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
|
|
|
proto_item *ti;
|
2013-02-13 00:46:15 +00:00
|
|
|
gint length;
|
|
|
|
guint64 count;
|
|
|
|
guint32 offset = 0;
|
|
|
|
|
|
|
|
if (!tree)
|
|
|
|
return;
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
ti = proto_tree_add_item(tree, &hfi_bitcoin_msg_getheaders, tvb, offset, -1, ENC_NA);
|
2013-02-10 16:52:52 +00:00
|
|
|
tree = proto_item_add_subtree(ti, ett_bitcoin_msg);
|
2013-02-11 14:59:03 +00:00
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
get_varint(tvb, offset, &length, &count);
|
2013-08-30 21:31:42 +00:00
|
|
|
add_varint_item(tree, tvb, offset, length, &hfi_msg_getheaders_count8, &hfi_msg_getheaders_count16,
|
|
|
|
&hfi_msg_getheaders_count32, &hfi_msg_getheaders_count64);
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
offset += length;
|
|
|
|
|
2013-02-11 14:59:03 +00:00
|
|
|
for (; count > 0; count--)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(tree, &hfi_msg_getheaders_start, tvb, offset, 32, ENC_NA);
|
2013-02-10 16:52:52 +00:00
|
|
|
offset += 32;
|
|
|
|
}
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(tree, &hfi_msg_getheaders_stop, tvb, offset, 32, ENC_NA);
|
2013-02-13 00:46:15 +00:00
|
|
|
return;
|
2013-02-10 16:52:52 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
2013-02-13 00:46:15 +00:00
|
|
|
* Handler for tx message body
|
2013-02-10 16:52:52 +00:00
|
|
|
*/
|
2013-02-13 00:46:15 +00:00
|
|
|
static guint32
|
|
|
|
dissect_bitcoin_msg_tx_common(tvbuff_t *tvb, guint32 offset, packet_info *pinfo _U_, proto_tree *tree, guint msgnum)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
|
|
|
proto_item *rti;
|
2013-02-13 00:46:15 +00:00
|
|
|
gint count_length;
|
|
|
|
guint64 in_count;
|
|
|
|
guint64 out_count;
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
DISSECTOR_ASSERT(tree != NULL);
|
|
|
|
|
|
|
|
if (msgnum == 0) {
|
2013-08-30 21:31:42 +00:00
|
|
|
rti = proto_tree_add_item(tree, &hfi_bitcoin_msg_tx, tvb, offset, -1, ENC_NA);
|
2013-02-13 00:46:15 +00:00
|
|
|
} else {
|
2013-08-30 21:31:42 +00:00
|
|
|
rti = proto_tree_add_none_format(tree, hfi_bitcoin_msg_tx.id, tvb, offset, -1, "Tx message [ %4d ]", msgnum);
|
2013-02-13 00:46:15 +00:00
|
|
|
}
|
2013-02-10 16:52:52 +00:00
|
|
|
tree = proto_item_add_subtree(rti, ett_bitcoin_msg);
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(tree, &hfi_msg_tx_version, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
2013-02-10 16:52:52 +00:00
|
|
|
offset += 4;
|
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
/* TxIn[] */
|
|
|
|
get_varint(tvb, offset, &count_length, &in_count);
|
2013-08-30 21:31:42 +00:00
|
|
|
add_varint_item(tree, tvb, offset, count_length, &hfi_msg_tx_in_count8, &hfi_msg_tx_in_count16,
|
|
|
|
&hfi_msg_tx_in_count32, &hfi_msg_tx_in_count64);
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
offset += count_length;
|
|
|
|
|
|
|
|
/* TxIn
|
|
|
|
* [36] previous_output outpoint
|
|
|
|
* [1+] script length var_int
|
|
|
|
* [ ?] signature script uchar[]
|
|
|
|
* [ 4] sequence uint32_t
|
|
|
|
*
|
|
|
|
* outpoint (aka previous output)
|
|
|
|
* [32] hash char[32
|
|
|
|
* [ 4] index uint32_t
|
|
|
|
*
|
|
|
|
*/
|
2013-02-11 14:59:03 +00:00
|
|
|
for (; in_count > 0; in_count--)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
|
|
|
proto_tree *subtree;
|
|
|
|
proto_tree *prevtree;
|
|
|
|
proto_item *ti;
|
|
|
|
proto_item *pti;
|
2013-02-13 00:46:15 +00:00
|
|
|
guint64 script_length;
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
get_varint(tvb, offset+36, &count_length, &script_length);
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
/* A funny script_length won't cause an exception since the field type is FT_NONE */
|
2013-08-30 21:31:42 +00:00
|
|
|
ti = proto_tree_add_item(tree, &hfi_msg_tx_in, tvb, offset,
|
2013-02-13 00:46:15 +00:00
|
|
|
36 + count_length + (guint)script_length + 4, ENC_NA);
|
2013-02-10 16:52:52 +00:00
|
|
|
subtree = proto_item_add_subtree(ti, ett_tx_in_list);
|
|
|
|
|
|
|
|
/* previous output */
|
2013-08-30 21:31:42 +00:00
|
|
|
pti = proto_tree_add_item(subtree, &hfi_msg_tx_in_prev_output, tvb, offset, 36, ENC_NA);
|
2013-02-10 16:52:52 +00:00
|
|
|
prevtree = proto_item_add_subtree(pti, ett_tx_in_outp);
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(prevtree, &hfi_msg_tx_in_prev_outp_hash, tvb, offset, 32, ENC_NA);
|
2013-02-10 16:52:52 +00:00
|
|
|
offset += 32;
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(prevtree, &hfi_msg_tx_in_prev_outp_index, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
2013-02-10 16:52:52 +00:00
|
|
|
offset += 4;
|
|
|
|
/* end previous output */
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
add_varint_item(subtree, tvb, offset, count_length, &hfi_msg_tx_in_script8, &hfi_msg_tx_in_script16,
|
|
|
|
&hfi_msg_tx_in_script32, &hfi_msg_tx_in_script64);
|
2013-02-13 00:46:15 +00:00
|
|
|
|
2013-02-10 16:52:52 +00:00
|
|
|
offset += count_length;
|
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
if ((offset + script_length) > G_MAXINT)
|
|
|
|
THROW(ReportedBoundsError); /* special check since script_length is guint64 */
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(subtree, &hfi_msg_tx_in_sig_script, tvb, offset, (guint)script_length, ENC_NA);
|
2013-02-10 16:52:52 +00:00
|
|
|
offset += (guint)script_length;
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(subtree, &hfi_msg_tx_in_seq, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
2013-02-10 16:52:52 +00:00
|
|
|
offset += 4;
|
|
|
|
}
|
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
/* TxOut[] */
|
|
|
|
get_varint(tvb, offset, &count_length, &out_count);
|
2013-08-30 21:31:42 +00:00
|
|
|
add_varint_item(tree, tvb, offset, count_length, &hfi_msg_tx_out_count8, &hfi_msg_tx_out_count16,
|
|
|
|
&hfi_msg_tx_out_count32, &hfi_msg_tx_out_count64);
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
offset += count_length;
|
|
|
|
|
|
|
|
/* TxOut
|
|
|
|
* [ 8] value
|
|
|
|
* [1+] script length [var_int]
|
|
|
|
* [ ?] script
|
|
|
|
*/
|
2013-02-11 14:59:03 +00:00
|
|
|
for (; out_count > 0; out_count--)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
|
|
|
proto_item *ti;
|
|
|
|
proto_tree *subtree;
|
2013-02-13 00:46:15 +00:00
|
|
|
guint64 script_length;
|
|
|
|
|
|
|
|
get_varint(tvb, offset+8, &count_length, &script_length);
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
/* A funny script_length won't cause an exception since the field type is FT_NONE */
|
2013-08-30 21:31:42 +00:00
|
|
|
ti = proto_tree_add_item(tree, &hfi_msg_tx_out, tvb, offset,
|
2013-02-13 00:46:15 +00:00
|
|
|
8 + count_length + (guint)script_length , ENC_NA);
|
2013-02-10 16:52:52 +00:00
|
|
|
subtree = proto_item_add_subtree(ti, ett_tx_out_list);
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(subtree, &hfi_msg_tx_out_value, tvb, offset, 8, ENC_LITTLE_ENDIAN);
|
2013-02-10 16:52:52 +00:00
|
|
|
offset += 8;
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
add_varint_item(subtree, tvb, offset, count_length, &hfi_msg_tx_out_script8, &hfi_msg_tx_out_script16,
|
|
|
|
&hfi_msg_tx_out_script32, &hfi_msg_tx_out_script64);
|
2013-02-13 00:46:15 +00:00
|
|
|
|
2013-02-10 16:52:52 +00:00
|
|
|
offset += count_length;
|
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
if ((offset + script_length) > G_MAXINT)
|
|
|
|
THROW(ReportedBoundsError); /* special check since script_length is guint64 */
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(subtree, &hfi_msg_tx_out_script, tvb, offset, (guint)script_length, ENC_NA);
|
2013-02-13 00:46:15 +00:00
|
|
|
offset += (guint)script_length;
|
2013-02-10 16:52:52 +00:00
|
|
|
}
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(tree, &hfi_msg_tx_lock_time, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
2013-02-10 16:52:52 +00:00
|
|
|
offset += 4;
|
|
|
|
|
|
|
|
/* needed for block nesting */
|
|
|
|
proto_item_set_len(rti, offset);
|
|
|
|
|
|
|
|
return offset;
|
|
|
|
}
|
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
/**
|
|
|
|
* Handler for tx message
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
dissect_bitcoin_msg_tx(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
|
|
{
|
|
|
|
if (!tree)
|
|
|
|
return;
|
|
|
|
|
|
|
|
dissect_bitcoin_msg_tx_common(tvb, 0, pinfo, tree, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2013-02-10 16:52:52 +00:00
|
|
|
/**
|
|
|
|
* Handler for block messages
|
|
|
|
*/
|
2013-02-13 00:46:15 +00:00
|
|
|
|
|
|
|
static void
|
|
|
|
dissect_bitcoin_msg_block(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
|
|
|
proto_item *ti;
|
2013-02-13 00:46:15 +00:00
|
|
|
gint length;
|
|
|
|
guint64 count;
|
|
|
|
guint msgnum;
|
|
|
|
guint32 offset = 0;
|
|
|
|
|
|
|
|
if (!tree)
|
|
|
|
return;
|
|
|
|
|
|
|
|
/* Block
|
|
|
|
* [ 4] version uint32_t
|
|
|
|
* [32] prev_block char[32]
|
|
|
|
* [32] merkle_root char[32]
|
|
|
|
* [ 4] timestamp uint32_t A unix timestamp ... (Currently limited to dates before the year 2106!)
|
|
|
|
* [ 4] bits uint32_t
|
|
|
|
* [ 4] nonce uint32_t
|
|
|
|
* [ ?] txn_count var_int
|
|
|
|
* [ ?] txns tx[] Block transactions, in format of "tx" command
|
|
|
|
*/
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
ti = proto_tree_add_item(tree, &hfi_bitcoin_msg_block, tvb, offset, -1, ENC_NA);
|
2013-02-10 16:52:52 +00:00
|
|
|
tree = proto_item_add_subtree(ti, ett_bitcoin_msg);
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(tree, &hfi_msg_block_version, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
2013-02-10 16:52:52 +00:00
|
|
|
offset += 4;
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(tree, &hfi_msg_block_prev_block, tvb, offset, 32, ENC_NA);
|
2013-02-10 16:52:52 +00:00
|
|
|
offset += 32;
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(tree, &hfi_msg_block_merkle_root, tvb, offset, 32, ENC_NA);
|
2013-02-10 16:52:52 +00:00
|
|
|
offset += 32;
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(tree, &hfi_msg_block_time, tvb, offset, 4, ENC_TIME_TIMESPEC|ENC_LITTLE_ENDIAN);
|
2013-02-10 16:52:52 +00:00
|
|
|
offset += 4;
|
2013-02-11 14:59:03 +00:00
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(tree, &hfi_msg_block_bits, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
2013-02-10 16:52:52 +00:00
|
|
|
offset += 4;
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(tree, &hfi_msg_block_nonce, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
2013-02-10 16:52:52 +00:00
|
|
|
offset += 4;
|
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
get_varint(tvb, offset, &length, &count);
|
2013-08-30 21:31:42 +00:00
|
|
|
add_varint_item(tree, tvb, offset, length, &hfi_msg_block_transactions8, &hfi_msg_block_transactions16,
|
|
|
|
&hfi_msg_block_transactions32, &hfi_msg_block_transactions64);
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
offset += length;
|
|
|
|
|
|
|
|
msgnum = 0;
|
2013-02-11 14:59:03 +00:00
|
|
|
for (; count > 0; count--)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
2013-02-13 00:46:15 +00:00
|
|
|
msgnum += 1;
|
|
|
|
offset = dissect_bitcoin_msg_tx_common(tvb, offset, pinfo, tree, msgnum);
|
2013-02-10 16:52:52 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Handler for unimplemented or payload-less messages
|
|
|
|
*/
|
2013-02-13 00:46:15 +00:00
|
|
|
static void
|
|
|
|
dissect_bitcoin_msg_empty(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
2013-02-13 00:46:15 +00:00
|
|
|
return;
|
2013-02-10 16:52:52 +00:00
|
|
|
}
|
|
|
|
|
2013-02-13 00:46:15 +00:00
|
|
|
typedef void (*msg_dissector_func_t)(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
2013-02-10 16:52:52 +00:00
|
|
|
|
|
|
|
typedef struct msg_dissector
|
2013-02-11 14:59:03 +00:00
|
|
|
{
|
2013-02-10 16:52:52 +00:00
|
|
|
const gchar *command;
|
|
|
|
msg_dissector_func_t function;
|
|
|
|
} msg_dissector_t;
|
|
|
|
|
|
|
|
static msg_dissector_t msg_dissectors[] =
|
|
|
|
{
|
2013-02-11 14:59:03 +00:00
|
|
|
{"version", dissect_bitcoin_msg_version},
|
|
|
|
{"addr", dissect_bitcoin_msg_addr},
|
|
|
|
{"inv", dissect_bitcoin_msg_inv},
|
|
|
|
{"getdata", dissect_bitcoin_msg_getdata},
|
|
|
|
{"getblocks", dissect_bitcoin_msg_getblocks},
|
|
|
|
{"getheaders", dissect_bitcoin_msg_getheaders},
|
|
|
|
{"tx", dissect_bitcoin_msg_tx},
|
|
|
|
{"block", dissect_bitcoin_msg_block},
|
2013-02-10 16:52:52 +00:00
|
|
|
|
|
|
|
/* messages with no payload */
|
2013-02-11 14:59:03 +00:00
|
|
|
{"verack", dissect_bitcoin_msg_empty},
|
|
|
|
{"getaddr", dissect_bitcoin_msg_empty},
|
|
|
|
{"ping", dissect_bitcoin_msg_empty},
|
2013-02-10 16:52:52 +00:00
|
|
|
|
|
|
|
/* messages not implemented */
|
2013-02-11 14:59:03 +00:00
|
|
|
{"headers", dissect_bitcoin_msg_empty},
|
|
|
|
{"checkorder", dissect_bitcoin_msg_empty},
|
2013-02-10 16:52:52 +00:00
|
|
|
{"submitorder", dissect_bitcoin_msg_empty},
|
2013-02-11 14:59:03 +00:00
|
|
|
{"reply", dissect_bitcoin_msg_empty},
|
|
|
|
{"alert", dissect_bitcoin_msg_empty}
|
2013-02-10 16:52:52 +00:00
|
|
|
};
|
|
|
|
|
2013-11-09 17:46:28 +00:00
|
|
|
static int dissect_bitcoin_tcp_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
|
|
|
proto_item *ti;
|
2013-02-13 00:46:15 +00:00
|
|
|
guint32 i;
|
|
|
|
guint32 offset = 0;
|
2013-02-10 16:52:52 +00:00
|
|
|
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "Bitcoin");
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
ti = proto_tree_add_item(tree, hfi_bitcoin, tvb, 0, -1, ENC_NA);
|
2013-02-10 16:52:52 +00:00
|
|
|
tree = proto_item_add_subtree(ti, ett_bitcoin);
|
|
|
|
|
|
|
|
/* add basic protocol data */
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_tree_add_item(tree, &hfi_bitcoin_magic, tvb, 0, 4, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(tree, &hfi_bitcoin_command, tvb, 4, 12, ENC_ASCII|ENC_NA);
|
|
|
|
proto_tree_add_item(tree, &hfi_bitcoin_length, tvb, 16, 4, ENC_LITTLE_ENDIAN);
|
2013-10-15 00:05:45 +00:00
|
|
|
proto_tree_add_item(tree, &hfi_bitcoin_checksum, tvb, 20, 4, ENC_BIG_ENDIAN);
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2013-10-15 00:05:45 +00:00
|
|
|
offset = 24;
|
2013-02-10 16:52:52 +00:00
|
|
|
|
|
|
|
/* handle command specific message part */
|
2013-02-11 14:59:03 +00:00
|
|
|
for (i = 0; i < array_length(msg_dissectors); i++)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
2013-02-11 14:59:03 +00:00
|
|
|
if (tvb_memeql(tvb, 4, msg_dissectors[i].command,
|
2013-02-10 16:52:52 +00:00
|
|
|
strlen(msg_dissectors[i].command)) == 0)
|
|
|
|
{
|
|
|
|
tvbuff_t *tvb_sub;
|
|
|
|
|
|
|
|
col_append_sep_str(pinfo->cinfo, COL_INFO, ", ", msg_dissectors[i].command);
|
|
|
|
|
|
|
|
tvb_sub = tvb_new_subset_remaining(tvb, offset);
|
|
|
|
msg_dissectors[i].function(tvb_sub, pinfo, tree);
|
2014-06-19 17:18:16 +00:00
|
|
|
return tvb_length(tvb);
|
2013-02-10 16:52:52 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* no handler found */
|
|
|
|
col_append_sep_str(pinfo->cinfo, COL_INFO, ", ", "[unknown command]");
|
|
|
|
|
2013-05-25 17:06:40 +00:00
|
|
|
expert_add_info(pinfo, ti, &ei_bitcoin_command_unknown);
|
2014-06-19 17:18:16 +00:00
|
|
|
return tvb_length(tvb);
|
2013-02-10 16:52:52 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
2013-11-09 17:46:28 +00:00
|
|
|
dissect_bitcoin(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
|
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
2013-02-11 14:59:03 +00:00
|
|
|
tcp_dissect_pdus(tvb, pinfo, tree, bitcoin_desegment, BITCOIN_HEADER_LENGTH,
|
2013-11-09 17:46:28 +00:00
|
|
|
get_bitcoin_pdu_length, dissect_bitcoin_tcp_pdu, data);
|
2013-02-10 16:52:52 +00:00
|
|
|
|
|
|
|
return tvb_reported_length(tvb);
|
|
|
|
}
|
|
|
|
|
|
|
|
static gboolean
|
2013-12-13 19:01:02 +00:00
|
|
|
dissect_bitcoin_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
|
2013-02-10 16:52:52 +00:00
|
|
|
{
|
|
|
|
guint32 magic_number;
|
2013-02-11 14:59:03 +00:00
|
|
|
conversation_t *conversation;
|
|
|
|
|
2014-06-19 17:18:16 +00:00
|
|
|
if (tvb_length(tvb) < 4)
|
2013-02-10 16:52:52 +00:00
|
|
|
return FALSE;
|
|
|
|
|
|
|
|
magic_number = tvb_get_letohl(tvb, 0);
|
|
|
|
if ((magic_number != BITCOIN_MAIN_MAGIC_NUMBER) &&
|
|
|
|
(magic_number != BITCOIN_TESTNET_MAGIC_NUMBER) &&
|
|
|
|
(magic_number != BITCOIN_TESTNET3_MAGIC_NUMBER))
|
|
|
|
return FALSE;
|
|
|
|
|
2013-02-11 14:59:03 +00:00
|
|
|
/* Ok: This connection should always use the bitcoin dissector */
|
|
|
|
conversation = find_or_create_conversation(pinfo);
|
|
|
|
conversation_set_dissector(conversation, bitcoin_handle);
|
|
|
|
|
2013-02-10 16:52:52 +00:00
|
|
|
dissect_bitcoin(tvb, pinfo, tree, data);
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
proto_register_bitcoin(void)
|
|
|
|
{
|
2013-11-07 20:14:18 +00:00
|
|
|
#ifndef HAVE_HFI_SECTION_INIT
|
2013-08-30 21:31:42 +00:00
|
|
|
static header_field_info *hfi[] = {
|
|
|
|
&hfi_bitcoin_magic,
|
|
|
|
&hfi_bitcoin_command,
|
|
|
|
&hfi_bitcoin_length,
|
|
|
|
&hfi_bitcoin_checksum,
|
2013-02-10 16:52:52 +00:00
|
|
|
|
|
|
|
/* version message */
|
2013-08-30 21:31:42 +00:00
|
|
|
&hfi_bitcoin_msg_version,
|
|
|
|
&hfi_msg_version_version,
|
|
|
|
&hfi_msg_version_services,
|
|
|
|
&hfi_msg_version_addr_me,
|
|
|
|
&hfi_msg_version_addr_you,
|
|
|
|
&hfi_msg_version_timestamp,
|
|
|
|
&hfi_msg_version_nonce,
|
2013-10-15 00:05:45 +00:00
|
|
|
&hfi_msg_version_user_agent,
|
2013-08-30 21:31:42 +00:00
|
|
|
&hfi_msg_version_start_height,
|
2013-02-10 16:52:52 +00:00
|
|
|
|
|
|
|
/* addr message */
|
2013-08-30 21:31:42 +00:00
|
|
|
&hfi_msg_addr_count8,
|
|
|
|
&hfi_msg_addr_count16,
|
|
|
|
&hfi_msg_addr_count32,
|
|
|
|
&hfi_msg_addr_count64,
|
|
|
|
&hfi_bitcoin_msg_addr,
|
|
|
|
&hfi_msg_addr_address,
|
|
|
|
&hfi_msg_addr_timestamp,
|
2013-02-10 16:52:52 +00:00
|
|
|
|
|
|
|
/* inv message */
|
2013-08-30 21:31:42 +00:00
|
|
|
&hfi_msg_inv_count8,
|
|
|
|
&hfi_msg_inv_count16,
|
|
|
|
&hfi_msg_inv_count32,
|
|
|
|
&hfi_msg_inv_count64,
|
|
|
|
&hfi_bitcoin_msg_inv,
|
|
|
|
&hfi_msg_inv_type,
|
|
|
|
&hfi_msg_inv_hash,
|
2013-02-10 16:52:52 +00:00
|
|
|
|
|
|
|
/* getdata message */
|
2013-08-30 21:31:42 +00:00
|
|
|
&hfi_msg_getdata_count8,
|
|
|
|
&hfi_msg_getdata_count16,
|
|
|
|
&hfi_msg_getdata_count32,
|
|
|
|
&hfi_msg_getdata_count64,
|
|
|
|
&hfi_bitcoin_msg_getdata,
|
|
|
|
&hfi_msg_getdata_type,
|
|
|
|
&hfi_msg_getdata_hash,
|
2013-02-10 16:52:52 +00:00
|
|
|
|
|
|
|
/* getblocks message */
|
2013-08-30 21:31:42 +00:00
|
|
|
&hfi_msg_getblocks_count8,
|
|
|
|
&hfi_msg_getblocks_count16,
|
|
|
|
&hfi_msg_getblocks_count32,
|
|
|
|
&hfi_msg_getblocks_count64,
|
|
|
|
&hfi_bitcoin_msg_getblocks,
|
|
|
|
&hfi_msg_getblocks_start,
|
|
|
|
&hfi_msg_getblocks_stop,
|
2013-02-10 16:52:52 +00:00
|
|
|
|
|
|
|
/* getheaders message */
|
2013-08-30 21:31:42 +00:00
|
|
|
&hfi_msg_getheaders_count8,
|
|
|
|
&hfi_msg_getheaders_count16,
|
|
|
|
&hfi_msg_getheaders_count32,
|
|
|
|
&hfi_msg_getheaders_count64,
|
|
|
|
&hfi_bitcoin_msg_getheaders,
|
|
|
|
&hfi_msg_getheaders_start,
|
|
|
|
&hfi_msg_getheaders_stop,
|
2013-02-10 16:52:52 +00:00
|
|
|
|
|
|
|
/* tx message */
|
2013-08-30 21:31:42 +00:00
|
|
|
&hfi_bitcoin_msg_tx,
|
|
|
|
&hfi_msg_tx_version,
|
2013-02-13 00:46:15 +00:00
|
|
|
|
|
|
|
/* tx message - input */
|
2013-08-30 21:31:42 +00:00
|
|
|
&hfi_msg_tx_in_count8,
|
|
|
|
&hfi_msg_tx_in_count16,
|
|
|
|
&hfi_msg_tx_in_count32,
|
|
|
|
&hfi_msg_tx_in_count64,
|
|
|
|
|
|
|
|
&hfi_msg_tx_in,
|
|
|
|
&hfi_msg_tx_in_prev_output,
|
|
|
|
|
|
|
|
&hfi_msg_tx_in_prev_outp_hash,
|
|
|
|
&hfi_msg_tx_in_prev_outp_index,
|
|
|
|
|
|
|
|
&hfi_msg_tx_in_script8,
|
|
|
|
&hfi_msg_tx_in_script16,
|
|
|
|
&hfi_msg_tx_in_script32,
|
|
|
|
&hfi_msg_tx_in_script64,
|
|
|
|
&hfi_msg_tx_in_sig_script,
|
|
|
|
&hfi_msg_tx_in_seq,
|
2013-02-13 00:46:15 +00:00
|
|
|
|
|
|
|
/* tx message - output */
|
2013-08-30 21:31:42 +00:00
|
|
|
&hfi_msg_tx_out_count8,
|
|
|
|
&hfi_msg_tx_out_count16,
|
|
|
|
&hfi_msg_tx_out_count32,
|
|
|
|
&hfi_msg_tx_out_count64,
|
|
|
|
&hfi_msg_tx_out,
|
|
|
|
&hfi_msg_tx_out_value,
|
|
|
|
&hfi_msg_tx_out_script8,
|
|
|
|
&hfi_msg_tx_out_script16,
|
|
|
|
&hfi_msg_tx_out_script32,
|
|
|
|
&hfi_msg_tx_out_script64,
|
|
|
|
&hfi_msg_tx_out_script,
|
|
|
|
|
|
|
|
&hfi_msg_tx_lock_time,
|
2013-02-10 16:52:52 +00:00
|
|
|
|
|
|
|
/* block message */
|
2013-08-30 21:31:42 +00:00
|
|
|
&hfi_msg_block_transactions8,
|
|
|
|
&hfi_msg_block_transactions16,
|
|
|
|
&hfi_msg_block_transactions32,
|
|
|
|
&hfi_msg_block_transactions64,
|
|
|
|
&hfi_bitcoin_msg_block,
|
|
|
|
&hfi_msg_block_version,
|
|
|
|
&hfi_msg_block_prev_block,
|
|
|
|
&hfi_msg_block_merkle_root,
|
|
|
|
&hfi_msg_block_time,
|
|
|
|
&hfi_msg_block_bits,
|
|
|
|
&hfi_msg_block_nonce,
|
2013-02-10 16:52:52 +00:00
|
|
|
|
|
|
|
/* services */
|
2013-08-30 21:31:42 +00:00
|
|
|
&hfi_services_network,
|
2013-02-10 16:52:52 +00:00
|
|
|
|
|
|
|
/* address */
|
2013-08-30 21:31:42 +00:00
|
|
|
&hfi_address_services,
|
|
|
|
&hfi_address_address,
|
|
|
|
&hfi_address_port,
|
2013-10-15 00:05:45 +00:00
|
|
|
|
|
|
|
/* variable string */
|
|
|
|
&hfi_string_value,
|
|
|
|
&hfi_string_varint_count8,
|
|
|
|
&hfi_string_varint_count16,
|
|
|
|
&hfi_string_varint_count32,
|
|
|
|
&hfi_string_varint_count64,
|
2013-02-10 16:52:52 +00:00
|
|
|
};
|
2013-11-07 20:14:18 +00:00
|
|
|
#endif
|
2013-02-10 16:52:52 +00:00
|
|
|
|
|
|
|
static gint *ett[] = {
|
|
|
|
&ett_bitcoin,
|
|
|
|
&ett_bitcoin_msg,
|
|
|
|
&ett_services,
|
|
|
|
&ett_address,
|
2013-10-15 00:05:45 +00:00
|
|
|
&ett_string,
|
2013-02-10 16:52:52 +00:00
|
|
|
&ett_addr_list,
|
|
|
|
&ett_inv_list,
|
|
|
|
&ett_getdata_list,
|
|
|
|
&ett_getblocks_list,
|
|
|
|
&ett_getheaders_list,
|
|
|
|
&ett_tx_in_list,
|
|
|
|
&ett_tx_in_outp,
|
|
|
|
&ett_tx_out_list,
|
|
|
|
};
|
|
|
|
|
2013-05-25 17:06:40 +00:00
|
|
|
static ei_register_info ei[] = {
|
|
|
|
{ &ei_bitcoin_command_unknown, { "bitcoin.command.unknown", PI_PROTOCOL, PI_WARN, "Unknown command", EXPFILL }},
|
|
|
|
};
|
|
|
|
|
2013-02-10 16:52:52 +00:00
|
|
|
module_t *bitcoin_module;
|
2013-05-25 17:06:40 +00:00
|
|
|
expert_module_t* expert_bitcoin;
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
int proto_bitcoin;
|
|
|
|
|
|
|
|
|
|
|
|
proto_bitcoin = proto_register_protocol("Bitcoin protocol", "Bitcoin", "bitcoin");
|
|
|
|
hfi_bitcoin = proto_registrar_get_nth(proto_bitcoin);
|
2013-02-10 16:52:52 +00:00
|
|
|
|
|
|
|
proto_register_subtree_array(ett, array_length(ett));
|
2013-08-30 21:31:42 +00:00
|
|
|
proto_register_fields(proto_bitcoin, hfi, array_length(hfi));
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2013-05-25 17:06:40 +00:00
|
|
|
expert_bitcoin = expert_register_protocol(proto_bitcoin);
|
|
|
|
expert_register_field_array(expert_bitcoin, ei, array_length(ei));
|
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
bitcoin_handle = new_register_dissector("bitcoin", dissect_bitcoin, proto_bitcoin);
|
2013-02-10 16:52:52 +00:00
|
|
|
|
|
|
|
bitcoin_module = prefs_register_protocol(proto_bitcoin, NULL);
|
|
|
|
prefs_register_bool_preference(bitcoin_module, "desegment",
|
2013-02-11 14:59:03 +00:00
|
|
|
"Desegment all Bitcoin messages spanning multiple TCP segments",
|
|
|
|
"Whether the Bitcoin dissector should desegment all messages"
|
|
|
|
" spanning multiple TCP segments",
|
|
|
|
&bitcoin_desegment);
|
2013-02-10 16:52:52 +00:00
|
|
|
|
|
|
|
}
|
|
|
|
|
2013-02-11 14:59:03 +00:00
|
|
|
void
|
2013-02-10 16:52:52 +00:00
|
|
|
proto_reg_handoff_bitcoin(void)
|
|
|
|
{
|
2014-06-20 16:43:28 +00:00
|
|
|
dissector_add_for_decode_as("tcp.port", bitcoin_handle);
|
2013-02-10 16:52:52 +00:00
|
|
|
|
2013-08-30 21:31:42 +00:00
|
|
|
heur_dissector_add( "tcp", dissect_bitcoin_heur, hfi_bitcoin->id);
|
2013-02-10 16:52:52 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 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:
|
|
|
|
*/
|