Paper/Spigot-Server-Patches/0174-Expose-client-protocol-version-and-virtual-host.patch
Aikar 986ebc68fc
Updated Upstream (CraftBukkit)
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

CraftBukkit Changes:
983305bb SPIGOT-5856: Soul Campfire BlockState cannot be cast to Campfire
2020-06-27 17:37:09 -04:00

130 lines
5.3 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..5caca6439d2135e34880d501397fe2ea197d7249
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/network/PaperNetworkClient.java
@@ -0,0 +1,50 @@
+package com.destroystokyo.paper.network;
+
+import net.minecraft.server.NetworkManager;
+
+import java.net.InetSocketAddress;
+
+import javax.annotation.Nullable;
+
+public class PaperNetworkClient implements NetworkClient {
+
+ private final NetworkManager networkManager;
+
+ PaperNetworkClient(NetworkManager networkManager) {
+ this.networkManager = networkManager;
+ }
+
+ @Override
+ public InetSocketAddress getAddress() {
+ return (InetSocketAddress) this.networkManager.getSocketAddress();
+ }
+
+ @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/server/HandshakeListener.java b/src/main/java/net/minecraft/server/HandshakeListener.java
index a3b48376b92aee548ec28eec1cdc978925b96df0..8049f54f049122b065ea30e7e831c33486a83b7e 100644
--- a/src/main/java/net/minecraft/server/HandshakeListener.java
+++ b/src/main/java/net/minecraft/server/HandshakeListener.java
@@ -133,6 +133,10 @@ public class HandshakeListener implements PacketHandshakingInListener {
throw new UnsupportedOperationException("Invalid intention " + packethandshakinginsetprotocol.b());
}
+ // Paper start - NetworkClient implementation
+ this.getNetworkManager().protocolVersion = packethandshakinginsetprotocol.getProtocolVersion();
+ this.getNetworkManager().virtualHost = com.destroystokyo.paper.network.PaperNetworkClient.prepareVirtualHost(packethandshakinginsetprotocol.hostname, packethandshakinginsetprotocol.port);
+ // Paper end
}
@Override
diff --git a/src/main/java/net/minecraft/server/NetworkManager.java b/src/main/java/net/minecraft/server/NetworkManager.java
index c2fdccfb9192aa7ec55fd67c169cba71a695075c..33900c22d4123e0f8333b9bdb9601d302e26c972 100644
--- a/src/main/java/net/minecraft/server/NetworkManager.java
+++ b/src/main/java/net/minecraft/server/NetworkManager.java
@@ -60,6 +60,10 @@ public class NetworkManager extends SimpleChannelInboundHandler<Packet<?>> {
private float s;
private int t;
private boolean u;
+ // Paper start - NetworkClient implementation
+ public int protocolVersion;
+ public java.net.InetSocketAddress virtualHost;
+ // Paper end
public NetworkManager(EnumProtocolDirection enumprotocoldirection) {
this.h = enumprotocoldirection;
diff --git a/src/main/java/net/minecraft/server/PacketHandshakingInSetProtocol.java b/src/main/java/net/minecraft/server/PacketHandshakingInSetProtocol.java
index 4f008e4723d2cb0bcabb2d5621203d63c40c4923..8545146fb1f093f821e3b966d9337049575c6773 100644
--- a/src/main/java/net/minecraft/server/PacketHandshakingInSetProtocol.java
+++ b/src/main/java/net/minecraft/server/PacketHandshakingInSetProtocol.java
@@ -35,6 +35,7 @@ public class PacketHandshakingInSetProtocol implements Packet<PacketHandshakingI
return this.d;
}
+ public int getProtocolVersion() { return c(); } // Paper - OBFHELPER
public int c() {
return this.a;
}
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index a490d6330474a77d81a0e25ac74ea36c183e7cf0..626ef32032eb6327baa92c363ce6bb4705b6b5f1 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -186,6 +186,20 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
}
}
+ // Paper start - Implement NetworkClient
+ @Override
+ public int getProtocolVersion() {
+ if (getHandle().playerConnection == null) return -1;
+ return getHandle().playerConnection.networkManager.protocolVersion;
+ }
+
+ @Override
+ public InetSocketAddress getVirtualHost() {
+ if (getHandle().playerConnection == null) return null;
+ return getHandle().playerConnection.networkManager.virtualHost;
+ }
+ // Paper end
+
@Override
public double getEyeHeight(boolean ignorePose) {
if (ignorePose) {