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feat: update 2025 (I love Java)

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This commit is contained in:
6arelyFuture 2025-01-09 21:23:54 +01:00
parent 2416ef2d54
commit b7e3d82b51
Signed by: Future
GPG Key ID: F2000F181A4F7C85
9 changed files with 168 additions and 22 deletions
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2
src/main/java/com/diamante/serverlist/ClientEmulator.java
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@ -1,5 +1,5 @@
/*
* Copyright (C) 2023 Diamante
* Copyright (C) 2025 Diamante
*
* 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

2
src/main/java/com/diamante/serverlist/InfoDumper.java
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@ -1,5 +1,5 @@
/*
* Copyright (C) 2023 Diamante
* Copyright (C) 2025 Diamante
*
* 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

11
src/main/java/com/diamante/serverlist/Main.java
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@ -1,5 +1,5 @@
/*
* Copyright (C) 2023 Diamante
* Copyright (C) 2025 Diamante
*
* 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
@ -31,7 +31,7 @@ import org.apache.commons.cli.ParseException;
public class Main {
private enum Mode {
Emulator, Master, MasterPing, Bad;
Emulator, Master, MasterPing, ServerPing, Bad;
}
private Mode mode;
@ -66,6 +66,7 @@ public class Main {
var master = new Option("master", "master server mode");
var emulator = new Option("emulator", "client emulator mode");
var masterPing = new Option("master_ping", "ping the master server");
var serverPing = new Option("server_ping", "ping the master server as a server");
var ping = Option.builder("ping")
.argName("IP:Port")
@ -76,6 +77,7 @@ public class Main {
options.addOption(master);
options.addOption(emulator);
options.addOption(masterPing);
options.addOption(serverPing);
options.addOption(ping);
return options;
@ -103,6 +105,8 @@ public class Main {
main.setMode(Mode.Emulator);
} else if (line.hasOption("master_ping")) {
main.setMode(Mode.MasterPing);
} else if (line.hasOption("server_ping")) {
main.setMode(Mode.ServerPing);
}
if (line.hasOption("ping")) {
@ -127,6 +131,9 @@ public class Main {
var ping = new MasterServerPinger();
ping.pingMaster();
ping.readReplyFromMaster();
} else if (main.getMode() == Mode.ServerPing) {
var ping = new ServerEmulator();
ping.pingLoop();
}
System.out.println("Normal shutdown");

2
src/main/java/com/diamante/serverlist/MasterServer.java
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@ -1,5 +1,5 @@
/*
* Copyright (C) 2023 Diamante
* Copyright (C) 2025 Diamante
*
* 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

32
src/main/java/com/diamante/serverlist/MasterServerPinger.java
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@ -1,5 +1,5 @@
/*
* Copyright (C) 2023 Diamante
* Copyright (C) 2025 Diamante
*
* 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
@ -29,16 +29,15 @@ import java.net.UnknownHostException;
*/
public class MasterServerPinger {
private static final String MASTER = "mw3.totalkillaz.ovh";
private static final String OFFICIAL_MASTER = "mw3.totalkillaz.ovh";
private static final String LAN_MASTER = "127.0.0.1";
private static final int MASTER_PORT = 27017;
private static final int CLIENT_VERSION = 17039893;
private Socket clientSocket;
public void pingMaster() {
try {
clientSocket = new Socket(MASTER, MASTER_PORT);
clientSocket = new Socket(OFFICIAL_MASTER, MASTER_PORT);
}
catch (IOException ex) {
System.err.println("IOException: Failed to open a socket");
@ -50,7 +49,7 @@ public class MasterServerPinger {
var data = new byte[8];
var magicLE = Utils.longSwap(Utils.NEW_CLIENT_MAGIC);
var versionLE = Utils.longSwap(CLIENT_VERSION);
var versionLE = Utils.longSwap(Utils.CLIENT_VERSION);
System.arraycopy(magicLE, 0, data, 0, 4);
System.arraycopy(versionLE, 0, data, 4, 4);
@ -66,18 +65,33 @@ public class MasterServerPinger {
var out = new ByteArrayOutputStream();
try {
System.out.println("readReplyFromMaster: awaiting reply from master server");
var input = clientSocket.getInputStream();
System.out.println("readReplyFromMaster: finished waiting for a reply from master server");
var bytes = new byte[0x1000 * 0x6 + 0x4];
int count;
while ((count = input.read(bytes)) > 0) {
int count = input.read(bytes);
out.write(bytes, 0, count);
}
System.out.println("readReplyFromMaster: finished reading bytes from socket");
}
catch (IOException ex) {
System.err.println("IOException: Failed to read from a socket");
}
if (out.size() == 0) {
System.out.println("readReplyFromMaster: got no reply");
try {
out.close();
}
catch (IOException ex) {
System.err.println("readReplyFromMaster: IOException in out.close()");
}
return;
}
var bytes = out.toByteArray();
var serverCountLE = new byte[4];

2
src/main/java/com/diamante/serverlist/Server.java
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@ -1,5 +1,5 @@
/*
* Copyright (C) 2023 Diamante
* Copyright (C) 2025 Diamante
*
* 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

124
src/main/java/com/diamante/serverlist/ServerEmulator.java Normal file
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@ -0,0 +1,124 @@
/*
* Copyright (C) 2025 Diamante
*
* 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.diamante.serverlist;
import java.io.IOException;
import java.io.OutputStream;
import java.net.InetAddress;
import java.net.Socket;
import java.net.UnknownHostException;
/**
*
* @author Diamante
*/
public class ServerEmulator {
private static final String OFFICIAL_MASTER = "mw3.totalkillaz.ovh";
private Socket socket;
private int currentPort;
private boolean valid;
public ServerEmulator() {
try {
var ip = InetAddress.getByName(OFFICIAL_MASTER);
socket = new Socket(ip, MasterServer.PORT);
currentPort = 0;
valid = true;
}
catch (UnknownHostException ex) {
valid = false;
System.err.println("ServerEmulator: UnknownHostException in InetAddress.getByName()");
}
catch (IOException ex) {
valid = false;
System.err.println("ServerEmulator: IOException in new Socket()");
}
}
public void pingMasterServer(int port, OutputStream out) {
var request = new byte[Utils.PACKET_SERVERT_LEN];
var magicLE = Utils.longSwap(Utils.OLD_SERVER_MAGIC);
var versionLE = Utils.longSwap(Utils.CLIENT_VERSION);
var portLE = Utils.longSwap(port);
System.arraycopy(magicLE, 0, request, 0, 4);
System.arraycopy(versionLE, 0, request, 4, 4);
// Write only two bytes for the port
System.arraycopy(portLE, 0, request, 8, 2);
try {
out.write(request);
}
catch (IOException ex) {
System.err.println("pingMasterServer: IOException in out.write()");
setValid(false);
}
}
public void pingLoop() {
while (Main.running.get() && isValid()) {
var port = currentPort;
currentPort = (currentPort + 1) % 65535;
try {
var out = socket.getOutputStream();
pingMasterServer(port, out);
}
catch (IOException ex) {
System.err.println("pingLoop: IOException in socket.getOutputStream()");
}
try {
Thread.sleep(80);
}
catch (InterruptedException ex) {
setValid(false);
}
}
stop();
}
public void stop() {
// Can happen if multiple instances are launched
if (socket == null || socket.isClosed()) {
return;
}
try {
socket.close();
}
catch (IOException ex) {
System.err.println("stop: IOException in socket.close()");
}
}
public boolean isValid() {
return valid;
}
public void setValid(boolean valid) {
this.valid = valid;
}
}

2
src/main/java/com/diamante/serverlist/ServerList.java
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@ -1,5 +1,5 @@
/*
* Copyright (C) 2023 Diamante
* Copyright (C) 2025 Diamante
*
* 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

11
src/main/java/com/diamante/serverlist/Utils.java
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@ -38,12 +38,13 @@ public class Utils {
public static final int PACKET_SERVERT_LEN = 10;
// (Warning: Remember to take into account endianness)
// 2023 Update: They magic was changed, client and server were switched (HELP & THEM)
public static final int OLD_SERVER_MAGIC = 1212501072;
public static final int NEW_SERVER_MAGIC = 1414022477;
// 2023 Update: They magic was changed
public static final int OLD_SERVER_MAGIC = 1212501072; // HELP
public static final int OLD_CLIENT_MAGIC = 1414022477;
public static final int NEW_CLIENT_MAGIC = 1212501072;
public static final int OLD_CLIENT_MAGIC = 1414022477; // THEM
public static final int NEW_CLIENT_MAGIC = 1129268293;
public static final int CLIENT_VERSION = 17039893;
public static boolean isServerMagic(int magic) {
return magic == OLD_SERVER_MAGIC;