PaperMC/CraftBukkit-Patches/0029-BungeeCord-Support.patch

From f71f95a3cdcc53fec5d01450691202e21360ae08 Mon Sep 17 00:00:00 2001
From: md_5 <md_5@live.com.au>
Date: Sat, 23 Mar 2013 11:15:11 +1100
Subject: [PATCH] BungeeCord Support

- Allows BungeeCord to set the players real IP address very early in the login process, so that the BungeeCord proxy IP is never even seen by a plugin.

diff --git a/src/main/java/net/minecraft/server/PendingConnection.java b/src/main/java/net/minecraft/server/PendingConnection.java
index 8b66470..d26b4d2 100644
--- a/src/main/java/net/minecraft/server/PendingConnection.java
+++ b/src/main/java/net/minecraft/server/PendingConnection.java
@@ -230,4 +230,17 @@ public class PendingConnection extends Connection {
     static boolean a(PendingConnection pendingconnection, boolean flag) {
         return pendingconnection.h = flag;
     }
+
+    // Spigot start
+    @Override
+    public void a(Packet250CustomPayload pcp) {
+        if (pcp.tag.equals("BungeeCord") && org.spigotmc.SpigotConfig.bungee && org.spigotmc.SpigotConfig.bungeeAddresses.contains(getSocket().getInetAddress().getHostAddress())) {
+            com.google.common.io.ByteArrayDataInput in = com.google.common.io.ByteStreams.newDataInput(pcp.data);
+            String subTag = in.readUTF();
+            if (subTag.equals("Login")) {
+                networkManager.setSocketAddress(new java.net.InetSocketAddress(in.readUTF(), in.readInt()));
+            }
+        }
+    }
+    // Spigot end
 }
diff --git a/src/main/java/net/minecraft/server/PlayerList.java b/src/main/java/net/minecraft/server/PlayerList.java
index b98a078..018feb2 100644
--- a/src/main/java/net/minecraft/server/PlayerList.java
+++ b/src/main/java/net/minecraft/server/PlayerList.java
@@ -293,7 +293,7 @@ public abstract class PlayerList {
         // depending on the outcome.
         EntityPlayer entity = new EntityPlayer(this.server, this.server.getWorldServer(0), s, this.server.O() ? new DemoPlayerInteractManager(this.server.getWorldServer(0)) : new PlayerInteractManager(this.server.getWorldServer(0)));
         Player player = entity.getBukkitEntity();
-        PlayerLoginEvent event = new PlayerLoginEvent(player, hostname, pendingconnection.getSocket().getInetAddress());
+        PlayerLoginEvent event = new PlayerLoginEvent(player, hostname, ((java.net.InetSocketAddress) pendingconnection.networkManager.getSocketAddress()).getAddress(), pendingconnection.getSocket().getInetAddress()); // Spigot
 
         SocketAddress socketaddress = pendingconnection.networkManager.getSocketAddress();
 
diff --git a/src/main/java/net/minecraft/server/ThreadLoginVerifier.java b/src/main/java/net/minecraft/server/ThreadLoginVerifier.java
index f87ebf9..f5032be 100644
--- a/src/main/java/net/minecraft/server/ThreadLoginVerifier.java
+++ b/src/main/java/net/minecraft/server/ThreadLoginVerifier.java
@@ -45,11 +45,11 @@ class ThreadLoginVerifier extends Thread {
                 return;
             }
 
-            AsyncPlayerPreLoginEvent asyncEvent = new AsyncPlayerPreLoginEvent(PendingConnection.d(this.pendingConnection), this.pendingConnection.getSocket().getInetAddress());
+            AsyncPlayerPreLoginEvent asyncEvent = new AsyncPlayerPreLoginEvent(PendingConnection.d(this.pendingConnection), ((java.net.InetSocketAddress) this.pendingConnection.networkManager.getSocketAddress()).getAddress()); // Spigot
             this.server.getPluginManager().callEvent(asyncEvent);
 
             if (PlayerPreLoginEvent.getHandlerList().getRegisteredListeners().length != 0) {
-                final PlayerPreLoginEvent event = new PlayerPreLoginEvent(PendingConnection.d(this.pendingConnection), this.pendingConnection.getSocket().getInetAddress());
+                final PlayerPreLoginEvent event = new PlayerPreLoginEvent(PendingConnection.d(this.pendingConnection), ((java.net.InetSocketAddress) this.pendingConnection.networkManager.getSocketAddress()).getAddress()); // Spigot
                 if (asyncEvent.getResult() != PlayerPreLoginEvent.Result.ALLOWED) {
                     event.disallow(asyncEvent.getResult(), asyncEvent.getKickMessage());
                 }
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index 5bf0e3c..8af2934 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -1015,6 +1015,11 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
     // Spigot start
     private final Spigot spigot = new Spigot()
     {
+        @Override
+        public InetSocketAddress getRawAddress()
+        {
+            return ( getHandle().playerConnection == null ) ? null : (InetSocketAddress) getHandle().playerConnection.networkManager.getSocket().getRemoteSocketAddress();
+        }
     };
 
     public Spigot spigot()
diff --git a/src/main/java/org/spigotmc/SpigotConfig.java b/src/main/java/org/spigotmc/SpigotConfig.java
index 8efdca6..a7bc48b 100644
--- a/src/main/java/org/spigotmc/SpigotConfig.java
+++ b/src/main/java/org/spigotmc/SpigotConfig.java
@@ -7,6 +7,7 @@ import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.lang.reflect.Modifier;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
@@ -208,4 +209,14 @@ public class SpigotConfig
 
         nettyThreads = getInt( "settings.netty-threads", 3 );
     }
+    public static List<String> bungeeAddresses = Arrays.asList( new String[]
+    {
+        "127.0.0.1"
+    } );
+    public static boolean bungee = true;
+    private static void bungee()
+    {
+        bungeeAddresses = getList( "settings.bungeecord-addresses", bungeeAddresses );
+        bungee = getBoolean( "settings.bungeecord", true );
+    }
 }
-- 
1.8.1.2