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P0nk
2021-03-30 21:07:35 +02:00
parent 4acc5675d6
commit 813643036b
817 changed files with 16 additions and 0 deletions
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src/main/java/net/server/handlers/login/LoginPasswordHandler.java Normal file
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/*
This file is part of the OdinMS Maple Story Server
Copyright (C) 2008 Patrick Huy <patrick.huy@frz.cc>
Matthias Butz <matze@odinms.de>
Jan Christian Meyer <vimes@odinms.de>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation version 3 as published by
the Free Software Foundation. You may not use, modify or distribute
this program under any other version of the GNU Affero General Public
License.
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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package net.server.handlers.login;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.Calendar;
import config.YamlConfig;
import net.MaplePacketHandler;
import net.server.Server;
import tools.BCrypt;
import tools.DatabaseConnection;
import tools.HexTool;
import tools.MaplePacketCreator;
import tools.data.input.SeekableLittleEndianAccessor;
import client.MapleClient;
import java.sql.ResultSet;
import java.sql.Statement;
import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import net.server.coordinator.session.MapleSessionCoordinator;
import org.apache.mina.core.session.IoSession;
public final class LoginPasswordHandler implements MaplePacketHandler {
@Override
public boolean validateState(MapleClient c) {
return !c.isLoggedIn();
}
private static String hashpwSHA512(String pwd) throws NoSuchAlgorithmException, UnsupportedEncodingException {
MessageDigest digester = MessageDigest.getInstance("SHA-512");
digester.update(pwd.getBytes("UTF-8"), 0, pwd.length());
return HexTool.toString(digester.digest()).replace(" ", "").toLowerCase();
}
private static String getRemoteIp(IoSession session) {
return MapleSessionCoordinator.getSessionRemoteAddress(session);
}
@Override
public final void handlePacket(SeekableLittleEndianAccessor slea, MapleClient c) {
String remoteHost = getRemoteIp(c.getSession());
if (!remoteHost.contentEquals("null")) {
if (YamlConfig.config.server.USE_IP_VALIDATION) { // thanks Alex-0000 (CanIGetaPR) for suggesting IP validation as a server flag
if (remoteHost.startsWith("127.")) {
if (!YamlConfig.config.server.LOCALSERVER) { // thanks Mills for noting HOST can also have a field named "localhost"
c.announce(MaplePacketCreator.getLoginFailed(13)); // cannot login as localhost if it's not a local server
return;
}
} else {
if (YamlConfig.config.server.LOCALSERVER) {
c.announce(MaplePacketCreator.getLoginFailed(13)); // cannot login as non-localhost if it's a local server
return;
}
}
}
} else {
c.announce(MaplePacketCreator.getLoginFailed(14)); // thanks Alchemist for noting remoteHost could be null
return;
}
String login = slea.readMapleAsciiString();
String pwd = slea.readMapleAsciiString();
c.setAccountName(login);
slea.skip(6); // localhost masked the initial part with zeroes...
byte[] hwidNibbles = slea.read(4);
String nibbleHwid = HexTool.toCompressedString(hwidNibbles);
int loginok = c.login(login, pwd, nibbleHwid);
Connection con = null;
PreparedStatement ps = null;
if (YamlConfig.config.server.AUTOMATIC_REGISTER && loginok == 5) {
try {
con = DatabaseConnection.getConnection();
ps = con.prepareStatement("INSERT INTO accounts (name, password, birthday, tempban) VALUES (?, ?, ?, ?);", Statement.RETURN_GENERATED_KEYS); //Jayd: Added birthday, tempban
ps.setString(1, login);
ps.setString(2, YamlConfig.config.server.BCRYPT_MIGRATION ? BCrypt.hashpw(pwd, BCrypt.gensalt(12)) : hashpwSHA512(pwd));
ps.setString(3, "2018-06-20"); //Jayd's idea: was added to solve the MySQL 5.7 strict checking (birthday)
ps.setString(4, "2018-06-20"); //Jayd's idea: was added to solve the MySQL 5.7 strict checking (tempban)
ps.executeUpdate();
ResultSet rs = ps.getGeneratedKeys();
rs.next();
c.setAccID(rs.getInt(1));
rs.close();
} catch (SQLException | NoSuchAlgorithmException | UnsupportedEncodingException e) {
c.setAccID(-1);
e.printStackTrace();
} finally {
disposeSql(con, ps);
loginok = c.login(login, pwd, nibbleHwid);
}
}
if (YamlConfig.config.server.BCRYPT_MIGRATION && (loginok <= -10)) { // -10 means migration to bcrypt, -23 means TOS wasn't accepted
try {
con = DatabaseConnection.getConnection();
ps = con.prepareStatement("UPDATE accounts SET password = ? WHERE name = ?;");
ps.setString(1, BCrypt.hashpw(pwd, BCrypt.gensalt(12)));
ps.setString(2, login);
ps.executeUpdate();
} catch (SQLException e) {
e.printStackTrace();
} finally {
disposeSql(con, ps);
loginok = (loginok == -10) ? 0 : 23;
}
}
if (c.hasBannedIP() || c.hasBannedMac()) {
c.announce(MaplePacketCreator.getLoginFailed(3));
return;
}
Calendar tempban = c.getTempBanCalendarFromDB();
if (tempban != null) {
if (tempban.getTimeInMillis() > Calendar.getInstance().getTimeInMillis()) {
c.announce(MaplePacketCreator.getTempBan(tempban.getTimeInMillis(), c.getGReason()));
return;
}
}
if (loginok == 3) {
c.announce(MaplePacketCreator.getPermBan(c.getGReason()));//crashes but idc :D
return;
} else if (loginok != 0) {
c.announce(MaplePacketCreator.getLoginFailed(loginok));
return;
}
if (c.finishLogin() == 0) {
c.checkChar(c.getAccID());
login(c);
} else {
c.announce(MaplePacketCreator.getLoginFailed(7));
}
}
private static void login(MapleClient c){
c.announce(MaplePacketCreator.getAuthSuccess(c));//why the fk did I do c.getAccountName()?
Server.getInstance().registerLoginState(c);
}
private static void disposeSql(Connection con, PreparedStatement ps) {
try {
if (con != null) {
con.close();
}
if (ps != null) {
ps.close();
}
} catch (SQLException e) {
e.printStackTrace();
}
}
}