130 lines
5.4 KiB
Diff
130 lines
5.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Minecrell <minecrell@minecrell.net>
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Date: Tue, 10 Oct 2017 18:45:20 +0200
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Subject: [PATCH] Expose client protocol version and virtual host
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diff --git a/src/main/java/com/destroystokyo/paper/network/PaperNetworkClient.java b/src/main/java/com/destroystokyo/paper/network/PaperNetworkClient.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..8a716c1647aa29906be26ac262e93ebd2c1adfaa
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--- /dev/null
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+++ b/src/main/java/com/destroystokyo/paper/network/PaperNetworkClient.java
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@@ -0,0 +1,50 @@
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+package com.destroystokyo.paper.network;
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+
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+import net.minecraft.network.NetworkManager;
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+
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+import java.net.InetSocketAddress;
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+
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+import javax.annotation.Nullable;
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+
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+public class PaperNetworkClient implements NetworkClient {
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+
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+ private final NetworkManager networkManager;
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+
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+ PaperNetworkClient(NetworkManager networkManager) {
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+ this.networkManager = networkManager;
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+ }
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+
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+ @Override
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+ public InetSocketAddress getAddress() {
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+ return (InetSocketAddress) this.networkManager.getSocketAddress();
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+ }
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+
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+ @Override
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+ public int getProtocolVersion() {
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+ return this.networkManager.protocolVersion;
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+ }
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+
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+ @Nullable
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+ @Override
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+ public InetSocketAddress getVirtualHost() {
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+ return this.networkManager.virtualHost;
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+ }
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+
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+ public static InetSocketAddress prepareVirtualHost(String host, int port) {
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+ int len = host.length();
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+
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+ // FML appends a marker to the host to recognize FML clients (\0FML\0)
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+ int pos = host.indexOf('\0');
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+ if (pos >= 0) {
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+ len = pos;
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+ }
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+
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+ // When clients connect with a SRV record, their host contains a trailing '.'
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+ if (len > 0 && host.charAt(len - 1) == '.') {
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+ len--;
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+ }
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+
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+ return InetSocketAddress.createUnresolved(host.substring(0, len), port);
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+ }
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+
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+}
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diff --git a/src/main/java/net/minecraft/network/NetworkManager.java b/src/main/java/net/minecraft/network/NetworkManager.java
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index f093b465b868e6003bb2b5ee634a624b5b054493..60e4a4aa3854aaeb250d1318f2f25cf3591ea1d3 100644
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--- a/src/main/java/net/minecraft/network/NetworkManager.java
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+++ b/src/main/java/net/minecraft/network/NetworkManager.java
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@@ -70,6 +70,10 @@ public class NetworkManager extends SimpleChannelInboundHandler<Packet<?>> {
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private float s;
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private int t;
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private boolean u;
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+ // Paper start - NetworkClient implementation
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+ public int protocolVersion;
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+ public java.net.InetSocketAddress virtualHost;
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+ // Paper end
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public NetworkManager(EnumProtocolDirection enumprotocoldirection) {
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this.h = enumprotocoldirection;
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diff --git a/src/main/java/net/minecraft/network/protocol/handshake/PacketHandshakingInSetProtocol.java b/src/main/java/net/minecraft/network/protocol/handshake/PacketHandshakingInSetProtocol.java
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index b290ddfbc19aed3e44169281c3dae5429dac0062..14c002376540d2039fc2fe2ef746e53471a9cb08 100644
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--- a/src/main/java/net/minecraft/network/protocol/handshake/PacketHandshakingInSetProtocol.java
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+++ b/src/main/java/net/minecraft/network/protocol/handshake/PacketHandshakingInSetProtocol.java
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@@ -39,6 +39,7 @@ public class PacketHandshakingInSetProtocol implements Packet<PacketHandshakingI
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return this.d;
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}
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+ public int getProtocolVersion() { return c(); } // Paper - OBFHELPER
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public int c() {
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return this.a;
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}
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diff --git a/src/main/java/net/minecraft/server/network/HandshakeListener.java b/src/main/java/net/minecraft/server/network/HandshakeListener.java
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index 5047a742d2e6a9749aa7d37e761d023a3425944b..24486bc7290ec6ef1e00a94e289ca35b804ab172 100644
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--- a/src/main/java/net/minecraft/server/network/HandshakeListener.java
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+++ b/src/main/java/net/minecraft/server/network/HandshakeListener.java
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@@ -149,6 +149,10 @@ public class HandshakeListener implements PacketHandshakingInListener {
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throw new UnsupportedOperationException("Invalid intention " + packethandshakinginsetprotocol.b());
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}
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+ // Paper start - NetworkClient implementation
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+ this.getNetworkManager().protocolVersion = packethandshakinginsetprotocol.getProtocolVersion();
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+ this.getNetworkManager().virtualHost = com.destroystokyo.paper.network.PaperNetworkClient.prepareVirtualHost(packethandshakinginsetprotocol.hostname, packethandshakinginsetprotocol.port);
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+ // Paper end
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}
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@Override
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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index 3ab71629699f4978cd2dab36ec7e3b32a1681f91..b9a12d59e0144becc7e9c06d9a3c3079d006b583 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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@@ -188,6 +188,20 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
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}
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}
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+ // Paper start - Implement NetworkClient
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+ @Override
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+ public int getProtocolVersion() {
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+ if (getHandle().playerConnection == null) return -1;
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+ return getHandle().playerConnection.networkManager.protocolVersion;
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+ }
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+
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+ @Override
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+ public InetSocketAddress getVirtualHost() {
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+ if (getHandle().playerConnection == null) return null;
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+ return getHandle().playerConnection.networkManager.virtualHost;
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+ }
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+ // Paper end
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+
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@Override
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public double getEyeHeight(boolean ignorePose) {
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if (ignorePose) {
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