PaperMC/patches/server/0160-Expose-client-protocol-version-and-virtual-host.patch
Josh Roy bc0dd0df3d Updated Upstream (Bukkit/CraftBukkit/Spigot)
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
716b4fce Revert SnakeYAML upgrade
ca6f8942 Update to Minecraft 1.18-rc3
57e7e952 #683: Add Player#showDemoScreen

CraftBukkit Changes:
c98abfb0 Update to Minecraft 1.18-rc3
9b258501 #960: Add Player#showDemoScreen
d9542247 Produce remapped jars after bootstrap jar
99f3ddde SPIGOT-6808: Fix RegionAccessor#getBiome

Spigot Changes:
b7a4222e Update to Minecraft 1.18-rc3
2021-11-30 19:26:33 +01:00

116 lines
4.6 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Minecrell <minecrell@minecrell.net>
Date: Tue, 10 Oct 2017 18:45:20 +0200
Subject: [PATCH] Expose client protocol version and virtual host
diff --git a/src/main/java/com/destroystokyo/paper/network/PaperNetworkClient.java b/src/main/java/com/destroystokyo/paper/network/PaperNetworkClient.java
new file mode 100644
index 0000000000000000000000000000000000000000..a5a7624f1f372a26b982836cd31cff15e2589e9b
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/network/PaperNetworkClient.java
@@ -0,0 +1,49 @@
+package com.destroystokyo.paper.network;
+
+import java.net.InetSocketAddress;
+
+import javax.annotation.Nullable;
+import net.minecraft.network.Connection;
+
+public class PaperNetworkClient implements NetworkClient {
+
+ private final Connection networkManager;
+
+ PaperNetworkClient(Connection networkManager) {
+ this.networkManager = networkManager;
+ }
+
+ @Override
+ public InetSocketAddress getAddress() {
+ return (InetSocketAddress) this.networkManager.getRemoteAddress();
+ }
+
+ @Override
+ public int getProtocolVersion() {
+ return this.networkManager.protocolVersion;
+ }
+
+ @Nullable
+ @Override
+ public InetSocketAddress getVirtualHost() {
+ return this.networkManager.virtualHost;
+ }
+
+ public static InetSocketAddress prepareVirtualHost(String host, int port) {
+ int len = host.length();
+
+ // FML appends a marker to the host to recognize FML clients (\0FML\0)
+ int pos = host.indexOf('\0');
+ if (pos >= 0) {
+ len = pos;
+ }
+
+ // When clients connect with a SRV record, their host contains a trailing '.'
+ if (len > 0 && host.charAt(len - 1) == '.') {
+ len--;
+ }
+
+ return InetSocketAddress.createUnresolved(host.substring(0, len), port);
+ }
+
+}
diff --git a/src/main/java/net/minecraft/network/Connection.java b/src/main/java/net/minecraft/network/Connection.java
index 7d177d38f3311ab941dd126c844d22e0018e25a1..84fe0f6cfc928d95d0967ad368a38afb71543af7 100644
--- a/src/main/java/net/minecraft/network/Connection.java
+++ b/src/main/java/net/minecraft/network/Connection.java
@@ -83,6 +83,10 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
private float averageSentPackets;
private int tickCount;
private boolean handlingFault;
+ // Paper start - NetworkClient implementation
+ public int protocolVersion;
+ public java.net.InetSocketAddress virtualHost;
+ // Paper end
public Connection(PacketFlow side) {
this.receiving = side;
diff --git a/src/main/java/net/minecraft/server/network/ServerHandshakePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerHandshakePacketListenerImpl.java
index c4ba069f5124ec151e05813beddf293fddc3b804..484221e5a9c246aa91e0eacef3911b0e9ecff401 100644
--- a/src/main/java/net/minecraft/server/network/ServerHandshakePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerHandshakePacketListenerImpl.java
@@ -150,6 +150,10 @@ public class ServerHandshakePacketListenerImpl implements ServerHandshakePacketL
throw new UnsupportedOperationException("Invalid intention " + packet.getIntention());
}
+ // Paper start - NetworkClient implementation
+ this.connection.protocolVersion = packet.getProtocolVersion();
+ this.connection.virtualHost = com.destroystokyo.paper.network.PaperNetworkClient.prepareVirtualHost(packet.hostName, packet.port);
+ // Paper 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 bb6ddb9cd958835ef59b8d6681fa3b9f7089b3e3..bd17c008f307e27e493f6a1adda3e9ad89b2e73d 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -200,6 +200,20 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
}
}
+ // Paper start - Implement NetworkClient
+ @Override
+ public int getProtocolVersion() {
+ if (getHandle().connection == null) return -1;
+ return getHandle().connection.connection.protocolVersion;
+ }
+
+ @Override
+ public InetSocketAddress getVirtualHost() {
+ if (getHandle().connection == null) return null;
+ return getHandle().connection.connection.virtualHost;
+ }
+ // Paper end
+
@Override
public double getEyeHeight(boolean ignorePose) {
if (ignorePose) {