697 lines
18 KiB
Java
697 lines
18 KiB
Java
/*
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* This file is part of the L2J Mobius project.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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 GNU
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* 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, see <http://www.gnu.org/licenses/>.
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*/
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package com.l2jmobius.gameserver;
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import java.io.BufferedOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.math.BigInteger;
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import java.net.Socket;
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import java.net.UnknownHostException;
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import java.security.GeneralSecurityException;
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import java.security.KeyFactory;
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import java.security.interfaces.RSAPublicKey;
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import java.security.spec.RSAKeyGenParameterSpec;
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import java.security.spec.RSAPublicKeySpec;
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import java.util.List;
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import java.util.Map;
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import java.util.logging.Logger;
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import com.l2jmobius.Config;
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import com.l2jmobius.gameserver.model.L2World;
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import com.l2jmobius.gameserver.model.actor.instance.L2PcInstance;
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import com.l2jmobius.gameserver.network.L2GameClient;
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import com.l2jmobius.gameserver.network.L2GameClient.GameClientState;
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import com.l2jmobius.gameserver.network.gameserverpackets.AuthRequest;
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import com.l2jmobius.gameserver.network.gameserverpackets.BlowFishKey;
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import com.l2jmobius.gameserver.network.gameserverpackets.ChangeAccessLevel;
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import com.l2jmobius.gameserver.network.gameserverpackets.GameServerBasePacket;
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import com.l2jmobius.gameserver.network.gameserverpackets.PlayerAuthRequest;
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import com.l2jmobius.gameserver.network.gameserverpackets.PlayerInGame;
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import com.l2jmobius.gameserver.network.gameserverpackets.PlayerLogout;
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import com.l2jmobius.gameserver.network.gameserverpackets.ServerStatus;
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import com.l2jmobius.gameserver.network.loginserverpackets.AuthResponse;
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import com.l2jmobius.gameserver.network.loginserverpackets.InitLS;
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import com.l2jmobius.gameserver.network.loginserverpackets.KickPlayer;
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import com.l2jmobius.gameserver.network.loginserverpackets.LoginServerFail;
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import com.l2jmobius.gameserver.network.loginserverpackets.PlayerAuthResponse;
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import com.l2jmobius.gameserver.network.serverpackets.AuthLoginFail;
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import com.l2jmobius.gameserver.network.serverpackets.CharSelectInfo;
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import com.l2jmobius.gameserver.network.serverpackets.SystemMessage;
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import com.l2jmobius.util.Rnd;
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import com.l2jmobius.util.Util;
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import com.l2jmobius.util.crypt.NewCrypt;
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import javolution.util.FastList;
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import javolution.util.FastMap;
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public class LoginServerThread extends Thread
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{
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protected static Logger _log = Logger.getLogger(LoginServerThread.class.getName());
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/** The LoginServerThread singleton */
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private static LoginServerThread _instance;
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private static final int REVISION = 0x0102;
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private final String _hostname;
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private final int _port;
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private final int _gamePort;
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private Socket _loginSocket;
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private OutputStream _out;
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/**
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* The BlowFish engine used to encrypt packets<br>
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* It is first initialized with a unified key:<br>
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* "_;v.]05-31!|+-%xT!^[$\00"<br>
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* <br>
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* and then after handshake, with a new key sent by<br>
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* loginserver during the handshake.
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*/
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private NewCrypt _blowfish;
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private byte[] _hexID;
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private final boolean _acceptAlternate;
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private final int _requestID;
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private int _serverID;
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private final boolean _reserveHost;
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private int _maxPlayer;
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private final List<WaitingClient> _waitingClients;
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private final Map<String, L2GameClient> _accountsInGameServer;
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private int _status;
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private String _serverName;
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private final String _gameExternalHost;
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private final String _gameInternalHost;
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public LoginServerThread()
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{
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super("LoginServerThread");
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_port = Config.GAME_SERVER_LOGIN_PORT;
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_gamePort = Config.PORT_GAME;
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_hostname = Config.GAME_SERVER_LOGIN_HOST;
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_hexID = Config.HEX_ID;
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if (_hexID == null)
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{
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_hexID = generateHex(16);
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}
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_acceptAlternate = Config.ACCEPT_ALTERNATE_ID;
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_requestID = Config.REQUEST_ID;
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_reserveHost = Config.RESERVE_HOST_ON_LOGIN;
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_gameExternalHost = Config.EXTERNAL_HOSTNAME;
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_gameInternalHost = Config.INTERNAL_HOSTNAME;
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_waitingClients = new FastList<>();
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_accountsInGameServer = new FastMap<>();
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_maxPlayer = Config.MAXIMUM_ONLINE_USERS;
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}
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public static LoginServerThread getInstance()
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{
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if (_instance == null)
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{
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_instance = new LoginServerThread();
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}
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return _instance;
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}
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@Override
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public void run()
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{
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while (!isInterrupted())
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{
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int lengthHi = 0;
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int lengthLo = 0;
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int length = 0;
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boolean checksumOk = false;
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try
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{
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// Connection
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_log.info("Connecting to login on " + _hostname + ":" + _port);
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_loginSocket = new Socket(_hostname, _port);
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final InputStream in = _loginSocket.getInputStream();
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_out = new BufferedOutputStream(_loginSocket.getOutputStream());
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// init Blowfish
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final byte[] blowfishKey = generateHex(40);
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// Protect the new blowfish key what cannot begin with zero
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if (blowfishKey[0] == 0)
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{
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blowfishKey[0] = (byte) Rnd.get(32, 64);
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}
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_blowfish = new NewCrypt("_;v.]05-31!|+-%xT!^[$\00");
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while (!isInterrupted())
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{
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lengthLo = in.read();
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lengthHi = in.read();
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length = (lengthHi * 256) + lengthLo;
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if (lengthHi < 0)
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{
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_log.finer("LoginServerThread: Login terminated the connection.");
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break;
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}
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final byte[] incoming = new byte[length - 2];
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int receivedBytes = 0;
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int newBytes = 0;
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int left = length - 2;
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while ((newBytes != -1) && (receivedBytes < (length - 2)))
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{
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newBytes = in.read(incoming, receivedBytes, left);
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receivedBytes = receivedBytes + newBytes;
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left -= newBytes;
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}
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if (receivedBytes != (length - 2))
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{
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_log.warning("Incomplete Packet is sent to the server, closing connection.(LS)");
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break;
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}
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// decrypt if we have a key
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_blowfish.decrypt(incoming, 0, incoming.length);
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checksumOk = NewCrypt.verifyChecksum(incoming);
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if (!checksumOk)
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{
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_log.warning("Incorrect packet checksum, ignoring packet (LS)");
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break;
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}
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switch (incoming[0] & 0xff)
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{
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case 0x00:
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{
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final InitLS init = new InitLS(incoming);
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if (init.getRevision() != REVISION)
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{
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// TODO: revision mismatch
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_log.warning("/!\\ Revision mismatch between LS and GS /!\\");
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break;
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}
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RSAPublicKey publicKey;
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try
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{
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publicKey = (RSAPublicKey) KeyFactory.getInstance("RSA").generatePublic(new RSAPublicKeySpec(new BigInteger(init.getRSAKey()), RSAKeyGenParameterSpec.F4));
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}
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catch (GeneralSecurityException e)
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{
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_log.warning("Trouble while init the public key send by login");
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break;
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}
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// send the blowfish key through the rsa encryption
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sendPacket(new BlowFishKey(blowfishKey, publicKey));
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// now, only accept packet with the new encryption
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_blowfish = new NewCrypt(blowfishKey);
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final AuthRequest ar = new AuthRequest(_requestID, _acceptAlternate, _hexID, _gameExternalHost, _gameInternalHost, _gamePort, _reserveHost, _maxPlayer);
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sendPacket(ar);
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break;
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}
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case 0x01:
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{
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final LoginServerFail lsf = new LoginServerFail(incoming);
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_log.info("Damn! Registration Failed: " + lsf.getReasonString());
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// login will close the connection here
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break;
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}
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case 0x02:
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{
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final AuthResponse aresp = new AuthResponse(incoming);
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_serverID = aresp.getServerId();
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_serverName = aresp.getServerName();
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Config.saveHexid(hexToString(_hexID));
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_log.info("Registered on login as Server " + _serverID + " : " + _serverName);
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final ServerStatus st = new ServerStatus();
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if (Config.SERVER_LIST_BRACKET)
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{
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st.addAttribute(ServerStatus.SERVER_LIST_SQUARE_BRACKET, ServerStatus.ON);
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}
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else
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{
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st.addAttribute(ServerStatus.SERVER_LIST_SQUARE_BRACKET, ServerStatus.OFF);
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}
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if (Config.SERVER_LIST_CLOCK)
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{
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st.addAttribute(ServerStatus.SERVER_LIST_CLOCK, ServerStatus.ON);
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}
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else
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{
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st.addAttribute(ServerStatus.SERVER_LIST_CLOCK, ServerStatus.OFF);
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}
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if (Config.SERVER_LIST_TESTSERVER)
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{
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st.addAttribute(ServerStatus.TEST_SERVER, ServerStatus.ON);
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}
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else
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{
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st.addAttribute(ServerStatus.TEST_SERVER, ServerStatus.OFF);
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}
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if (Config.SERVER_GMONLY)
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{
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st.addAttribute(ServerStatus.SERVER_LIST_STATUS, ServerStatus.STATUS_GM_ONLY);
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}
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else
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{
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st.addAttribute(ServerStatus.SERVER_LIST_STATUS, ServerStatus.STATUS_AUTO);
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}
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sendPacket(st);
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if (L2World.getInstance().getAllPlayersCount() > 0)
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{
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final FastList<String> playerList = new FastList<>();
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for (final L2PcInstance player : L2World.getInstance().getAllPlayers())
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{
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playerList.add(player.getAccountName());
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}
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final PlayerInGame pig = new PlayerInGame(playerList);
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sendPacket(pig);
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}
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break;
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}
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case 0x03:
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{
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final PlayerAuthResponse par = new PlayerAuthResponse(incoming);
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final String account = par.getAccount();
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WaitingClient wcToRemove = null;
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synchronized (_waitingClients)
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{
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for (WaitingClient wc : _waitingClients)
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{
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if (wc.account.equals(account))
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{
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wcToRemove = wc;
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}
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}
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}
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if (wcToRemove != null)
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{
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if (par.isAuthed())
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{
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final PlayerInGame pig = new PlayerInGame(par.getAccount());
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sendPacket(pig);
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wcToRemove.gameClient.setState(GameClientState.AUTHED);
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wcToRemove.gameClient.setSessionId(wcToRemove.session);
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final CharSelectInfo cl = new CharSelectInfo(wcToRemove.account, wcToRemove.gameClient.getSessionId().playOkID1);
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wcToRemove.gameClient.getConnection().sendPacket(cl);
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wcToRemove.gameClient.setCharSelection(cl.getCharInfo());
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}
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else
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{
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_log.warning("session key is not correct. closing connection");
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wcToRemove.gameClient.sendPacket(new AuthLoginFail(AuthLoginFail.SYSTEM_ERROR_LOGIN_LATER));
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wcToRemove.gameClient.close(new AuthLoginFail(AuthLoginFail.SYSTEM_ERROR_LOGIN_LATER));
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_accountsInGameServer.remove(wcToRemove.account);
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}
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_waitingClients.remove(wcToRemove);
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}
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break;
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}
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case 0x04:
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{
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final KickPlayer kp = new KickPlayer(incoming);
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doKickPlayer(kp.getAccount());
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break;
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}
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}
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}
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}
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catch (final UnknownHostException e)
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{
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if (Config.DEBUG)
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{
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e.printStackTrace();
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}
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}
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catch (final IOException e)
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{
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_log.info("Disconnected from Login, Trying to reconnect:");
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_log.info(e.toString());
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}
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finally
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{
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try
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{
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_loginSocket.close();
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}
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catch (final Exception e)
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{
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}
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}
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try
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{
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Thread.sleep(5000); // 5 seconds tempo.
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}
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catch (final InterruptedException e)
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{
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return;
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}
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}
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}
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public void addWaitingClientAndSendRequest(String acc, L2GameClient client, SessionKey key)
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{
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if (Config.DEBUG)
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{
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System.out.println(key);
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}
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final WaitingClient wc = new WaitingClient(acc, client, key);
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synchronized (_waitingClients)
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{
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_waitingClients.add(wc);
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}
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final PlayerAuthRequest par = new PlayerAuthRequest(acc, key);
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try
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{
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sendPacket(par);
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}
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catch (final IOException e)
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{
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_log.warning("Error while sending player auth request.");
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if (Config.DEBUG)
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{
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e.printStackTrace();
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}
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}
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}
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public void removeWaitingClient(L2GameClient client)
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{
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WaitingClient toRemove = null;
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synchronized (_waitingClients)
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{
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for (final WaitingClient c : _waitingClients)
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{
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if (c.gameClient == client)
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{
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toRemove = c;
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}
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}
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if (toRemove != null)
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{
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_waitingClients.remove(toRemove);
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}
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}
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}
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public void sendLogout(String account)
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{
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final PlayerLogout pl = new PlayerLogout(account);
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try
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{
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sendPacket(pl);
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}
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catch (final IOException e)
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{
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_log.warning("Error while sending logout packet to login");
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if (Config.DEBUG)
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{
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e.printStackTrace();
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}
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}
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finally
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{
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_accountsInGameServer.remove(account);
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}
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}
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public void addGameServerLogin(String account, L2GameClient client)
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{
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_accountsInGameServer.put(account, client);
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}
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public boolean getAccountInGameServer(String account)
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{
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return _accountsInGameServer.get(account) != null;
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}
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public void sendAccessLevel(String account, int level)
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{
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final ChangeAccessLevel cal = new ChangeAccessLevel(account, level);
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try
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{
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sendPacket(cal);
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}
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catch (final IOException e)
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{
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if (Config.DEBUG)
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{
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e.printStackTrace();
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}
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}
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}
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private String hexToString(byte[] hex)
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{
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return new BigInteger(hex).toString(16);
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}
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public void doKickPlayer(String account)
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{
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final L2GameClient client = _accountsInGameServer.get(account);
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if (client != null)
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{
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client.cancelCleanup(); // delayed cleanup
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final L2PcInstance player = client.getActiveChar();
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if (player != null)
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{
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player.sendPacket(new SystemMessage(SystemMessage.ANOTHER_LOGIN_WITH_ACCOUNT));
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ThreadPoolManager.getInstance().scheduleGeneral(() ->
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{
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if (player.isOnline() > 0)
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{
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player.logout(false);
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}
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}, 400);
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}
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else
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{
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client.closeNow();
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}
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LoginServerThread.getInstance().sendLogout(account);
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}
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}
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public static byte[] generateHex(int size)
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{
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final byte[] array = new byte[size];
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Rnd.nextBytes(array);
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if (Config.DEBUG)
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{
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_log.fine("Generated random String: \"" + array + "\"");
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}
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return array;
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}
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/**
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* @param sl
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* @throws IOException
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*/
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private void sendPacket(GameServerBasePacket sl) throws IOException
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{
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byte[] data = sl.getContent();
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NewCrypt.appendChecksum(data);
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if (Config.DEBUG)
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{
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_log.finest("[S]\n" + Util.printData(data));
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}
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_blowfish.crypt(data, 0, data.length);
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final int len = data.length + 2;
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synchronized (_out) // avoids two threads writing in the mean time
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{
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_out.write(len & 0xff);
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_out.write((len >> 8) & 0xff);
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_out.write(data);
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_out.flush();
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}
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}
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/**
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* Sets the max player.
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* @param maxPlayer The maxPlayer to set.
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*/
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public void setMaxPlayer(int maxPlayer)
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{
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sendServerStatus(ServerStatus.MAX_PLAYERS, maxPlayer);
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_maxPlayer = maxPlayer;
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}
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/**
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* Gets the max player.
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* @return Returns the maxPlayer.
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*/
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public int getMaxPlayer()
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{
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return _maxPlayer;
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}
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/**
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* Send server status.
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* @param id the id
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* @param value the value
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*/
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public void sendServerStatus(int id, int value)
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{
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|
final ServerStatus ss = new ServerStatus();
|
|
ss.addAttribute(id, value);
|
|
try
|
|
{
|
|
sendPacket(ss);
|
|
}
|
|
catch (final IOException e)
|
|
{
|
|
if (Config.DEBUG)
|
|
{
|
|
e.printStackTrace();
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @return
|
|
*/
|
|
public String getStatusString()
|
|
{
|
|
return ServerStatus.statusString[_status];
|
|
}
|
|
|
|
/**
|
|
* @return
|
|
*/
|
|
public boolean isClockShown()
|
|
{
|
|
return Config.SERVER_LIST_CLOCK;
|
|
}
|
|
|
|
/**
|
|
* @return
|
|
*/
|
|
public boolean isBracketShown()
|
|
{
|
|
return Config.SERVER_LIST_BRACKET;
|
|
}
|
|
|
|
/**
|
|
* Gets the server name.
|
|
* @return the server name.
|
|
*/
|
|
public String getServerName()
|
|
{
|
|
return _serverName;
|
|
}
|
|
|
|
/**
|
|
* Sets the server status.
|
|
* @param status the new server status
|
|
*/
|
|
public void setServerStatus(int status)
|
|
{
|
|
switch (status)
|
|
{
|
|
case ServerStatus.STATUS_AUTO:
|
|
{
|
|
sendServerStatus(ServerStatus.SERVER_LIST_STATUS, ServerStatus.STATUS_AUTO);
|
|
_status = status;
|
|
break;
|
|
}
|
|
case ServerStatus.STATUS_DOWN:
|
|
{
|
|
sendServerStatus(ServerStatus.SERVER_LIST_STATUS, ServerStatus.STATUS_DOWN);
|
|
_status = status;
|
|
break;
|
|
}
|
|
case ServerStatus.STATUS_FULL:
|
|
{
|
|
sendServerStatus(ServerStatus.SERVER_LIST_STATUS, ServerStatus.STATUS_FULL);
|
|
_status = status;
|
|
break;
|
|
}
|
|
case ServerStatus.STATUS_GM_ONLY:
|
|
{
|
|
sendServerStatus(ServerStatus.SERVER_LIST_STATUS, ServerStatus.STATUS_GM_ONLY);
|
|
_status = status;
|
|
break;
|
|
}
|
|
case ServerStatus.STATUS_GOOD:
|
|
{
|
|
sendServerStatus(ServerStatus.SERVER_LIST_STATUS, ServerStatus.STATUS_GOOD);
|
|
_status = status;
|
|
break;
|
|
}
|
|
case ServerStatus.STATUS_NORMAL:
|
|
{
|
|
sendServerStatus(ServerStatus.SERVER_LIST_STATUS, ServerStatus.STATUS_NORMAL);
|
|
_status = status;
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
throw new IllegalArgumentException("Status does not exists:" + status);
|
|
}
|
|
}
|
|
}
|
|
|
|
public static class SessionKey
|
|
{
|
|
public int playOkID1;
|
|
public int playOkID2;
|
|
public int loginOkID1;
|
|
public int loginOkID2;
|
|
|
|
/**
|
|
* Instantiates a new session key.
|
|
* @param loginOK1 the login o k1
|
|
* @param loginOK2 the login o k2
|
|
* @param playOK1 the play o k1
|
|
* @param playOK2 the play o k2
|
|
*/
|
|
public SessionKey(int loginOK1, int loginOK2, int playOK1, int playOK2)
|
|
{
|
|
playOkID1 = playOK1;
|
|
playOkID2 = playOK2;
|
|
loginOkID1 = loginOK1;
|
|
loginOkID2 = loginOK2;
|
|
}
|
|
|
|
@Override
|
|
public String toString()
|
|
{
|
|
return "PlayOk: " + playOkID1 + " " + playOkID2 + " LoginOk:" + loginOkID1 + " " + loginOkID2;
|
|
}
|
|
}
|
|
|
|
private static class WaitingClient
|
|
{
|
|
public String account;
|
|
public L2GameClient gameClient;
|
|
public SessionKey session;
|
|
|
|
/**
|
|
* Instantiates a new waiting client.
|
|
* @param acc the acc
|
|
* @param client the client
|
|
* @param key the key
|
|
*/
|
|
public WaitingClient(String acc, L2GameClient client, SessionKey key)
|
|
{
|
|
account = acc;
|
|
gameClient = client;
|
|
session = key;
|
|
}
|
|
}
|
|
} |