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/*
* Copyright (C) 2008-2014 TrinityCore <http://www.trinitycore.org/>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _BATTLENETSOCKET_H
#define _BATTLENETSOCKET_H
#include "BattlenetPackets.h"
#include "BattlenetPacketCrypt.h"
#include "BigNumber.h"
#include <memory>
#include <boost/asio/ip/tcp.hpp>
using boost::asio::ip::tcp;
namespace Battlenet
{
struct PacketHeader;
class BitStream;
enum ModuleType
{
MODULE_PASSWORD,
MODULE_TOKEN,
MODULE_THUMBPRINT,
MODULE_SELECT_GAME_ACCOUNT,
MODULE_RISK_FINGERPRINT,
MODULE_RESUME,
MODULE_COUNT
};
enum class BufferSizes : uint32
{
SRP_6_V = 0x80,
SRP_6_S = 0x20,
Read = 0x4000
};
class Session : public std::enable_shared_from_this<Session>
{
public:
explicit Session(tcp::socket&& socket);
~Session();
typedef bool(Session::*PacketHandler)(PacketHeader& socket, BitStream& packet);
// Auth
bool HandleAuthChallenge(PacketHeader& header, BitStream& packet);
bool HandleAuthReconnect(PacketHeader& header, BitStream& packet);
bool HandleAuthProofResponse(PacketHeader& header, BitStream& packet);
// Creep
bool HandlePing(PacketHeader& header, BitStream& packet);
bool HandleEnableEncryption(PacketHeader& header, BitStream& packet);
bool HandleDisconnect(PacketHeader& header, BitStream& packet);
// WoW
bool HandleRealmUpdateSubscribe(PacketHeader& header, BitStream& packet);
bool HandleRealmJoinRequest(PacketHeader& header, BitStream& packet);
void Start();
void AsyncRead();
void AsyncWrite(ServerPacket* packet);
private:
void _SetVSFields(std::string const& rI);
typedef bool(Session::*ModuleHandler)(BitStream* dataStream, ServerPacket** response);
static ModuleHandler const ModuleHandlers[MODULE_COUNT];
bool HandlePasswordModule(BitStream* dataStream, ServerPacket** response);
bool HandleSelectGameAccountModule(BitStream* dataStream, ServerPacket** response);
bool HandleRiskFingerprintModule(BitStream* dataStream, ServerPacket** response);
bool HandleResumeModule(BitStream* dataStream, ServerPacket** response);
bool UnhandledModule(BitStream* dataStream, ServerPacket** response);
std::string GetRemoteAddress() const { return _socket.remote_endpoint().address().to_string(); }
uint16 GetRemotePort() const { return _socket.remote_endpoint().port(); }
tcp::socket _socket;
uint8 _readBuffer[BufferSizes::Read];
uint32 _accountId;
std::string _accountName;
std::string _locale;
std::string _os;
uint32 _build;
uint32 _gameAccountId;
uint8 _gameAccountIndex;
AccountTypes _accountSecurityLevel;
BigNumber N;
BigNumber g;
BigNumber k;
BigNumber I;
BigNumber s;
BigNumber v;
BigNumber b;
BigNumber B;
BigNumber K; // session key
BigNumber _reconnectProof;
std::queue<ModuleType> _modulesWaitingForData;
PacketCrypt _crypt;
bool _authed;
};
}
#endif // _BATTLENETSOCKET_H
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