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43f868e55c
This data is put into the "optional data" part of each packet of the PKT 3.1 format It will be used with WPP to debug some networking issues
130 lines
3.7 KiB
C++
130 lines
3.7 KiB
C++
/*
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* Copyright (C) 2008-2014 TrinityCore <http://www.trinitycore.org/>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "PacketLog.h"
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#include "Config.h"
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#include "WorldPacket.h"
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#include "Timer.h"
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#pragma pack(push, 1)
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// Packet logging structures in PKT 3.1 format
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struct LogHeader
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{
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char Signature[3];
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uint16 FormatVersion;
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uint8 SnifferId;
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uint32 Build;
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char Locale[4];
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uint8 SessionKey[40];
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uint32 SniffStartUnixtime;
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uint32 SniffStartTicks;
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uint32 OptionalDataSize;
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};
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struct PacketHeader
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{
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// used to uniquely identify a connection
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struct OptionalData
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{
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uint8 SocketIPBytes[16];
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uint32 SocketPort;
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};
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char Direction[4];
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uint32 ConnectionId;
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uint32 ArrivalTicks;
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uint32 OptionalDataSize;
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uint32 Length;
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OptionalData OptionalData;
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uint32 Opcode;
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};
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#pragma pack(pop)
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PacketLog::PacketLog() : _file(NULL)
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{
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Initialize();
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}
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PacketLog::~PacketLog()
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{
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if (_file)
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fclose(_file);
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_file = NULL;
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}
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void PacketLog::Initialize()
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{
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std::string logsDir = sConfigMgr->GetStringDefault("LogsDir", "");
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if (!logsDir.empty())
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if ((logsDir.at(logsDir.length() - 1) != '/') && (logsDir.at(logsDir.length() - 1) != '\\'))
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logsDir.push_back('/');
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std::string logname = sConfigMgr->GetStringDefault("PacketLogFile", "");
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if (!logname.empty())
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{
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_file = fopen((logsDir + logname).c_str(), "wb");
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LogHeader header;
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header.Signature[0] = 'P'; header.Signature[1] = 'K'; header.Signature[2] = 'T';
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header.FormatVersion = 0x0301;
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header.SnifferId = 'T';
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header.Build = 12340;
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header.Locale[0] = 'e'; header.Locale[1] = 'n'; header.Locale[2] = 'U'; header.Locale[3] = 'S';
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std::memset(header.SessionKey, 0, sizeof(header.SessionKey));
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header.SniffStartUnixtime = time(NULL);
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header.SniffStartTicks = getMSTime();
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header.OptionalDataSize = 0;
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fwrite(&header, sizeof(header), 1, _file);
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}
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}
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void PacketLog::LogPacket(WorldPacket const& packet, Direction direction, boost::asio::ip::address addr, uint16 port)
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{
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PacketHeader header;
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*reinterpret_cast<uint32*>(header.Direction) = direction == CLIENT_TO_SERVER ? 0x47534d43 : 0x47534d53;
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header.ConnectionId = 0;
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header.ArrivalTicks = getMSTime();
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header.OptionalDataSize = sizeof(header.OptionalData);
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memset(header.OptionalData.SocketIPBytes, 0, sizeof(header.OptionalData.SocketIPBytes));
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if (addr.is_v4())
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{
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auto bytes = addr.to_v4().to_bytes();
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memcpy(header.OptionalData.SocketIPBytes, bytes.data(), bytes.size());
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}
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else if (addr.is_v6())
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{
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auto bytes = addr.to_v6().to_bytes();
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memcpy(header.OptionalData.SocketIPBytes, bytes.data(), bytes.size());
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}
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header.OptionalData.SocketPort = port;
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header.Length = packet.size() + sizeof(header.Opcode);
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header.Opcode = packet.GetOpcode();
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fwrite(&header, sizeof(header), 1, _file);
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if (!packet.empty())
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fwrite(packet.contents(), 1, packet.size(), _file);
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fflush(_file);
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}
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