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spigot/CraftBukkit-Patches/0030-BungeeCord-Support.patch
md_5 21831450a4
Update to Minecraft 1.19.1
2022-07-28 04:00:00 +10:00

227 lines
14 KiB
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From f14adb7bd135c2a5ef4fe1300fe71246454b4ee2 Mon Sep 17 00:00:00 2001
From: md_5 <md_5@live.com.au>
Date: Sun, 1 Dec 2013 18:18:41 +1100
Subject: [PATCH] BungeeCord Support
Provides support for IP forwarding via BungeeCord.
diff --git a/src/main/java/net/minecraft/network/NetworkManager.java b/src/main/java/net/minecraft/network/NetworkManager.java
index 7326aacaf..a5a81082f 100644
--- a/src/main/java/net/minecraft/network/NetworkManager.java
+++ b/src/main/java/net/minecraft/network/NetworkManager.java
@@ -74,6 +74,10 @@ public class NetworkManager extends SimpleChannelInboundHandler<Packet<?>> {
private final Queue<NetworkManager.QueuedPacket> queue = Queues.newConcurrentLinkedQueue();
public Channel channel;
public SocketAddress address;
+ // Spigot Start
+ public java.util.UUID spoofedUUID;
+ public com.mojang.authlib.properties.Property[] spoofedProfile;
+ // Spigot End
private PacketListener packetListener;
private IChatBaseComponent disconnectedReason;
private boolean encrypted;
@@ -436,4 +440,11 @@ public class NetworkManager extends SimpleChannelInboundHandler<Packet<?>> {
this.listener = packetsendlistener;
}
}
+
+ // Spigot Start
+ public SocketAddress getRawAddress()
+ {
+ return this.channel.remoteAddress();
+ }
+ // Spigot End
}
diff --git a/src/main/java/net/minecraft/network/protocol/handshake/PacketHandshakingInSetProtocol.java b/src/main/java/net/minecraft/network/protocol/handshake/PacketHandshakingInSetProtocol.java
index e992a972d..786314a9b 100644
--- a/src/main/java/net/minecraft/network/protocol/handshake/PacketHandshakingInSetProtocol.java
+++ b/src/main/java/net/minecraft/network/protocol/handshake/PacketHandshakingInSetProtocol.java
@@ -23,7 +23,7 @@ public class PacketHandshakingInSetProtocol implements Packet<PacketHandshakingI
public PacketHandshakingInSetProtocol(PacketDataSerializer packetdataserializer) {
this.protocolVersion = packetdataserializer.readVarInt();
- this.hostName = packetdataserializer.readUtf(255);
+ this.hostName = packetdataserializer.readUtf(Short.MAX_VALUE); // Spigot
this.port = packetdataserializer.readUnsignedShort();
this.intention = EnumProtocol.getById(packetdataserializer.readVarInt());
}
diff --git a/src/main/java/net/minecraft/server/network/HandshakeListener.java b/src/main/java/net/minecraft/server/network/HandshakeListener.java
index 190fb0006..a107fa07d 100644
--- a/src/main/java/net/minecraft/server/network/HandshakeListener.java
+++ b/src/main/java/net/minecraft/server/network/HandshakeListener.java
@@ -17,6 +17,11 @@ import java.util.HashMap;
public class HandshakeListener implements PacketHandshakingInListener {
+ // Spigot start
+ private static final com.google.gson.Gson gson = new com.google.gson.Gson();
+ static final java.util.regex.Pattern HOST_PATTERN = java.util.regex.Pattern.compile("[0-9a-f\\.:]{0,45}");
+ static final java.util.regex.Pattern PROP_PATTERN = java.util.regex.Pattern.compile("\\w{0,16}");
+ // Spigot end
// CraftBukkit start - add fields
private static final HashMap<InetAddress, Long> throttleTracker = new HashMap<InetAddress, Long>();
private static int throttleCounter = 0;
@@ -82,6 +87,31 @@ public class HandshakeListener implements PacketHandshakingInListener {
this.connection.disconnect(ichatmutablecomponent);
} else {
this.connection.setListener(new LoginListener(this.server, this.connection));
+ // Spigot Start
+ String[] split = packethandshakinginsetprotocol.hostName.split("\00");
+ if (org.spigotmc.SpigotConfig.bungee) {
+ if ( ( split.length == 3 || split.length == 4 ) && ( HOST_PATTERN.matcher( split[1] ).matches() ) ) {
+ packethandshakinginsetprotocol.hostName = split[0];
+ connection.address = new java.net.InetSocketAddress(split[1], ((java.net.InetSocketAddress) connection.getRemoteAddress()).getPort());
+ connection.spoofedUUID = com.mojang.util.UUIDTypeAdapter.fromString( split[2] );
+ } else
+ {
+ IChatBaseComponent chatmessage = IChatBaseComponent.literal("If you wish to use IP forwarding, please enable it in your BungeeCord config as well!");
+ this.connection.send(new PacketLoginOutDisconnect(chatmessage));
+ this.connection.disconnect(chatmessage);
+ return;
+ }
+ if ( split.length == 4 )
+ {
+ connection.spoofedProfile = gson.fromJson(split[3], com.mojang.authlib.properties.Property[].class);
+ }
+ } else if ( ( split.length == 3 || split.length == 4 ) && ( HOST_PATTERN.matcher( split[1] ).matches() ) ) {
+ IChatBaseComponent chatmessage = IChatBaseComponent.literal("Unknown data in login hostname, did you forget to enable BungeeCord in spigot.yml?");
+ this.connection.send(new PacketLoginOutDisconnect(chatmessage));
+ this.connection.disconnect(chatmessage);
+ return;
+ }
+ // Spigot End
((LoginListener) this.connection.getPacketListener()).hostname = packethandshakinginsetprotocol.hostName + ":" + packethandshakinginsetprotocol.port; // CraftBukkit - set hostname
}
break;
diff --git a/src/main/java/net/minecraft/server/network/LoginListener.java b/src/main/java/net/minecraft/server/network/LoginListener.java
index 64299c64c..29b2a4dda 100644
--- a/src/main/java/net/minecraft/server/network/LoginListener.java
+++ b/src/main/java/net/minecraft/server/network/LoginListener.java
@@ -125,7 +125,25 @@ public class LoginListener implements TickablePacketListener, PacketLoginInListe
// Spigot start
public void initUUID()
{
- this.gameProfile = this.createFakeProfile(this.gameProfile);
+ UUID uuid;
+ if ( connection.spoofedUUID != null )
+ {
+ uuid = connection.spoofedUUID;
+ } else
+ {
+ uuid = UUIDUtil.createOfflinePlayerUUID( this.gameProfile.getName() );
+ }
+
+ this.gameProfile = new GameProfile( uuid, this.gameProfile.getName() );
+
+ if (connection.spoofedProfile != null)
+ {
+ for ( com.mojang.authlib.properties.Property property : connection.spoofedProfile )
+ {
+ if ( !HandshakeListener.PROP_PATTERN.matcher( property.getName() ).matches() ) continue;
+ this.gameProfile.getProperties().put( property.getName(), property );
+ }
+ }
}
public void handleAcceptedLogin() {
diff --git a/src/main/java/net/minecraft/server/network/PlayerConnection.java b/src/main/java/net/minecraft/server/network/PlayerConnection.java
index 8f410adff..8a9d92577 100644
--- a/src/main/java/net/minecraft/server/network/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/network/PlayerConnection.java
@@ -2044,10 +2044,10 @@ public class PlayerConnection implements ServerPlayerConnection, TickablePacketL
String message = String.format(queueEvent.getFormat(), queueEvent.getPlayer().getDisplayName(), queueEvent.getMessage());
if (((LazyPlayerSet) queueEvent.getRecipients()).isLazy()) {
- if (originalFormat.equals(queueEvent.getFormat()) && originalMessage.equals(queueEvent.getMessage()) && queueEvent.getPlayer().getName().equalsIgnoreCase(queueEvent.getPlayer().getDisplayName())) {
+ if (!org.spigotmc.SpigotConfig.bungee && originalFormat.equals(queueEvent.getFormat()) && originalMessage.equals(queueEvent.getMessage()) && queueEvent.getPlayer().getName().equalsIgnoreCase(queueEvent.getPlayer().getDisplayName())) { // Spigot
PlayerConnection.this.server.getPlayerList().broadcastChatMessage(original, PlayerConnection.this.player, ChatMessageType.bind(ChatMessageType.CHAT, (Entity) PlayerConnection.this.player));
return null;
- } else if (CraftChatMessage.fromComponent(original.serverContent()).equals(message)) {
+ } else if (!org.spigotmc.SpigotConfig.bungee && CraftChatMessage.fromComponent(original.serverContent()).equals(message)) { // Spigot
PlayerConnection.this.server.getPlayerList().broadcastChatMessage(original, PlayerConnection.this.player, ChatMessageType.bind(ChatMessageType.RAW, (Entity) PlayerConnection.this.player));
return null;
}
@@ -2089,10 +2089,10 @@ public class PlayerConnection implements ServerPlayerConnection, TickablePacketL
s = String.format(event.getFormat(), event.getPlayer().getDisplayName(), event.getMessage());
if (((LazyPlayerSet) event.getRecipients()).isLazy()) {
- if (originalFormat.equals(event.getFormat()) && originalMessage.equals(event.getMessage()) && event.getPlayer().getName().equalsIgnoreCase(event.getPlayer().getDisplayName())) {
+ if (!org.spigotmc.SpigotConfig.bungee && originalFormat.equals(event.getFormat()) && originalMessage.equals(event.getMessage()) && event.getPlayer().getName().equalsIgnoreCase(event.getPlayer().getDisplayName())) { // Spigot
PlayerConnection.this.server.getPlayerList().broadcastChatMessage(original, PlayerConnection.this.player, ChatMessageType.bind(ChatMessageType.CHAT, (Entity) PlayerConnection.this.player));
return;
- } else if (CraftChatMessage.fromComponent(original.serverContent()).equals(s)) {
+ } else if (!org.spigotmc.SpigotConfig.bungee && CraftChatMessage.fromComponent(original.serverContent()).equals(s)) { // Spigot
PlayerConnection.this.server.getPlayerList().broadcastChatMessage(original, PlayerConnection.this.player, ChatMessageType.bind(ChatMessageType.RAW, (Entity) PlayerConnection.this.player));
return;
}
diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index 81da9f01f..ab0d3d629 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -571,7 +571,7 @@ public abstract class PlayerList {
EntityPlayer entity = new EntityPlayer(this.server, this.server.getLevel(World.OVERWORLD), gameprofile, profilepublickey);
Player player = entity.getBukkitEntity();
- PlayerLoginEvent event = new PlayerLoginEvent(player, hostname, ((java.net.InetSocketAddress) socketaddress).getAddress());
+ PlayerLoginEvent event = new PlayerLoginEvent(player, hostname, ((java.net.InetSocketAddress) socketaddress).getAddress(), ((java.net.InetSocketAddress) loginlistener.connection.getRawAddress()).getAddress());
if (getBans().isBanned(gameprofile) && !getBans().get(gameprofile).hasExpired()) {
GameProfileBanEntry gameprofilebanentry = (GameProfileBanEntry) this.bans.get(gameprofile);
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index e61a5650e..3cb6b718f 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -711,7 +711,13 @@ public final class CraftServer implements Server {
@Override
public long getConnectionThrottle() {
- return this.configuration.getInt("settings.connection-throttle");
+ // Spigot Start - Automatically set connection throttle for bungee configurations
+ if (org.spigotmc.SpigotConfig.bungee) {
+ return -1;
+ } else {
+ return this.configuration.getInt("settings.connection-throttle");
+ }
+ // Spigot End
}
@Override
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index f0a397aea..49b2dd9f1 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -1908,6 +1908,12 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
private final Player.Spigot spigot = new Player.Spigot()
{
+ @Override
+ public InetSocketAddress getRawAddress()
+ {
+ return (InetSocketAddress) getHandle().connection.connection.getRawAddress();
+ }
+
@Override
public boolean getCollidesWithEntities() {
return CraftPlayer.this.isCollidable();
diff --git a/src/main/java/org/spigotmc/SpigotConfig.java b/src/main/java/org/spigotmc/SpigotConfig.java
index 130016282..3bb51f452 100644
--- a/src/main/java/org/spigotmc/SpigotConfig.java
+++ b/src/main/java/org/spigotmc/SpigotConfig.java
@@ -214,4 +214,14 @@ public class SpigotConfig
commands.put( "restart", new RestartCommand( "restart" ) );
WatchdogThread.doStart( timeoutTime, restartOnCrash );
}
+
+ public static boolean bungee;
+ private static void bungee() {
+ if ( version < 4 )
+ {
+ set( "settings.bungeecord", false );
+ System.out.println( "Oudated config, disabling BungeeCord support!" );
+ }
+ bungee = getBoolean( "settings.bungeecord", false );
+ }
}
--
2.34.1
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