mirror of https://github.com/PaperMC/Paper.git
117 lines
4.8 KiB
Diff
117 lines
4.8 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..a5a7624f1f372a26b982836cd31cff15e2589e9b
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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 +1,49 @@
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+package com.destroystokyo.paper.network;
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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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+import net.minecraft.network.Connection;
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+
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+public class PaperNetworkClient implements NetworkClient {
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+
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+ private final Connection networkManager;
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+
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+ PaperNetworkClient(Connection 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.getRemoteAddress();
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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/Connection.java b/src/main/java/net/minecraft/network/Connection.java
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index 0ccfdceea8e211c595be2dad2392876109b4eeef..1321b9adba4c9e45dce0f717d44a7cb4e64b9bf6 100644
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--- a/src/main/java/net/minecraft/network/Connection.java
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+++ b/src/main/java/net/minecraft/network/Connection.java
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@@ -120,6 +120,10 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
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@Nullable
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BandwidthDebugMonitor bandwidthDebugMonitor;
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public String hostname = ""; // CraftBukkit - add field
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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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// Paper start - add utility methods
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public final net.minecraft.server.level.ServerPlayer getPlayer() {
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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 9214fb6b8e21ff6aee8be0691f1fe6e41c901ba3..65333e0244d7c3c415266f1740929761ca890af7 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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@@ -69,6 +69,10 @@ public class ServerHandshakePacketListenerImpl implements ServerHandshakePacketL
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throw new UnsupportedOperationException("Invalid intention " + String.valueOf(packet.intention()));
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}
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+ // Paper start - NetworkClient implementation
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+ this.connection.protocolVersion = packet.protocolVersion();
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+ this.connection.virtualHost = com.destroystokyo.paper.network.PaperNetworkClient.prepareVirtualHost(packet.hostName(), packet.port());
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+ // Paper end
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}
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private void beginLogin(ClientIntentionPacket packet, boolean transfer) {
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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 a9922e5f5c19cd6455b6ca9a3db7aa0a42f99524..7e1f6e23980f12786abaa4218d8d77dd1a8feb3c 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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@@ -332,6 +332,20 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
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this.getHandle().transferCookieConnection.sendPacket(new ClientboundTransferPacket(host, port));
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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().connection == null) return -1;
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+ return getHandle().connection.connection.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().connection == null) return null;
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+ return getHandle().connection.connection.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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