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 0c1bdf2329936ce479a2cc53e8a46bd2ad685ec1..a5bbea6a073e00c10c3c5facd997eb8473fd9a5f 100644 --- a/src/main/java/net/minecraft/server/network/ServerHandshakePacketListenerImpl.java +++ b/src/main/java/net/minecraft/server/network/ServerHandshakePacketListenerImpl.java @@ -32,6 +32,7 @@ public class ServerHandshakePacketListenerImpl implements ServerHandshakePacketL private static final Component IGNORE_STATUS_REASON = Component.translatable("disconnect.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; @@ -164,7 +165,7 @@ public class ServerHandshakePacketListenerImpl implements ServerHandshakePacketL String[] split = packet.hostName().split("\00"); if (!handledByEvent && proxyLogicEnabled) { // Paper // 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 - Add bypass host check this.connection.hostname = split[0]; this.connection.address = new java.net.InetSocketAddress(split[1], ((java.net.InetSocketAddress) this.connection.getRemoteAddress()).getPort()); this.connection.spoofedUUID = com.mojang.util.UndashedUuid.fromStringLenient( split[2] );