AuthLogin.java

/*
 * 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 3 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/>.
 */
package com.l2jserver.gameserver.network.clientpackets;

import java.util.logging.Logger;

import com.l2jserver.Config;
import com.l2jserver.gameserver.LoginServerThread;
import com.l2jserver.gameserver.LoginServerThread.SessionKey;
import com.l2jserver.gameserver.network.L2GameClient;
import com.l2jserver.gameserver.network.serverpackets.L2GameServerPacket;

/**
 * This class ...
 *
 * @version $Revision: 1.9.2.3.2.4 $ $Date: 2005/03/27 15:29:30 $
 */
public final class AuthLogin extends L2GameClientPacket
{
	private static final String _C__2B_AUTHLOGIN = "[C] 2B AuthLogin";
	private static Logger _log = Logger.getLogger(AuthLogin.class.getName());
	
	// loginName + keys must match what the loginserver used.
	private String _loginName;
	/*private final long _key1;
	private final long _key2;
	private final long _key3;
	private final long _key4;*/
	private int _playKey1;
	private int _playKey2;
	private int _loginKey1;
	private int _loginKey2;
	
	/**
	 * @param decrypt
	 */
	@Override
	protected void readImpl()
	{
		_loginName = readS().toLowerCase();
		_playKey2 = readD();
		_playKey1 = readD();
		_loginKey1 = readD();
		_loginKey2 = readD();
	}
	
	@Override
	protected void runImpl()
	{
		final L2GameClient client = getClient();		
		if (_loginName.length() == 0 || !client.isProtocolOk())
		{
			client.close((L2GameServerPacket)null);
			return;
		}
		SessionKey key = new SessionKey(_loginKey1, _loginKey2, _playKey1, _playKey2);
		if (Config.DEBUG)
		{
			_log.info("user:" + _loginName);
			_log.info("key:" + key);
		}
		
		// avoid potential exploits
		if (client.getAccountName() == null)
		{
			client.setAccountName(_loginName);
			LoginServerThread.getInstance().addGameServerLogin(_loginName, client);
			LoginServerThread.getInstance().addWaitingClientAndSendRequest(_loginName, client, key);
		}
	}
	
	@Override
	public String getType()
	{
		return _C__2B_AUTHLOGIN;
	}
}