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30 lines
2.2 KiB
Diff
30 lines
2.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Shane Freeder <theboyetronic@gmail.com>
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Date: Sun, 18 Apr 2021 21:27:01 +0100
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Subject: [PATCH] Add bypass host check
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Paper.bypassHostCheck
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Seriously, fix your firewalls. -.-
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diff --git a/src/main/java/net/minecraft/server/network/ServerHandshakePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerHandshakePacketListenerImpl.java
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index c648b73a4c478f9d8020274205d6684f7c7c416f..4e055a41de3ee410682cc05a3b883ac8babeb290 100644
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--- a/src/main/java/net/minecraft/server/network/ServerHandshakePacketListenerImpl.java
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+++ b/src/main/java/net/minecraft/server/network/ServerHandshakePacketListenerImpl.java
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@@ -30,6 +30,7 @@ public class ServerHandshakePacketListenerImpl implements ServerHandshakePacketL
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private static final Component IGNORE_STATUS_REASON = new TextComponent("Ignoring status request");
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private final MinecraftServer server;
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private final Connection connection; final Connection getNetworkManager() { return this.connection; } // Paper - OBFHELPER
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+ private static final boolean BYPASS_HOSTCHECK = Boolean.getBoolean("Paper.bypassHostCheck"); // Paper
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public ServerHandshakePacketListenerImpl(MinecraftServer server, Connection connection) {
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this.server = server;
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@@ -118,7 +119,7 @@ public class ServerHandshakePacketListenerImpl implements ServerHandshakePacketL
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// Spigot Start
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//if (org.spigotmc.SpigotConfig.bungee) { // Paper - comment out, we check above!
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String[] split = packet.hostName.split("\00");
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- if ( ( split.length == 3 || split.length == 4 ) && ( HOST_PATTERN.matcher( split[1] ).matches() ) ) {
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+ if ( ( split.length == 3 || split.length == 4 ) && ( BYPASS_HOSTCHECK || HOST_PATTERN.matcher( split[1] ).matches() ) ) { // Paper
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packet.hostName = split[0];
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connection.address = new java.net.InetSocketAddress(split[1], ((java.net.InetSocketAddress) connection.getRemoteAddress()).getPort());
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connection.spoofedUUID = com.mojang.util.UUIDTypeAdapter.fromString( split[2] );
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