Paper/patches/server/0596-Add-bypass-host-check.patch
2022-12-07 21:16:54 +01:00

31 lines
2.2 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Sun, 18 Apr 2021 21:27:01 +0100
Subject: [PATCH] Add bypass host check
Paper.bypassHostCheck
Seriously, fix your firewalls. -.-
diff --git a/src/main/java/net/minecraft/server/network/ServerHandshakePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerHandshakePacketListenerImpl.java
index e12c67bdfa326b3f52f6a4973063cef44359b804..bce2f0f66f9e5493184fd0b5d2758e136a0e05b5 100644
--- a/src/main/java/net/minecraft/server/network/ServerHandshakePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerHandshakePacketListenerImpl.java
@@ -29,6 +29,7 @@ public class ServerHandshakePacketListenerImpl implements ServerHandshakePacketL
private static final Component IGNORE_STATUS_REASON = Component.literal("Ignoring status request");
private final MinecraftServer server;
private final Connection connection;
+ private static final boolean BYPASS_HOSTCHECK = Boolean.getBoolean("Paper.bypassHostCheck"); // Paper
public ServerHandshakePacketListenerImpl(MinecraftServer server, Connection connection) {
this.server = server;
@@ -118,7 +119,7 @@ public class ServerHandshakePacketListenerImpl implements ServerHandshakePacketL
if (!handledByEvent && proxyLogicEnabled) {
// Paper end
// if (org.spigotmc.SpigotConfig.bungee) { // Paper - comment out, we check above!
- if ( ( split.length == 3 || split.length == 4 ) && ( ServerHandshakePacketListenerImpl.HOST_PATTERN.matcher( split[1] ).matches() ) ) {
+ if ( ( split.length == 3 || split.length == 4 ) && ( ServerHandshakePacketListenerImpl.BYPASS_HOSTCHECK || ServerHandshakePacketListenerImpl.HOST_PATTERN.matcher( split[1] ).matches() ) ) { // Paper
packet.hostName = split[0];
connection.address = new java.net.InetSocketAddress(split[1], ((java.net.InetSocketAddress) this.connection.getRemoteAddress()).getPort());
connection.spoofedUUID = com.mojang.util.UUIDTypeAdapter.fromString( split[2] );