Paper/patches/server/0552-Add-Unix-domain-socket-support.patch

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2021-06-11 14:02:28 +02:00
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Andrew Steinborn <git@steinborn.me>
Date: Tue, 11 May 2021 17:39:22 -0400
Subject: [PATCH] Add Unix domain socket support
diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
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index 5d62639b18d0bf8f5f7c8adc3470a6087980241b..4bc7b3d7c5214b3272614fe3fce8e4d8d2264867 100644
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--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
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@@ -232,6 +232,20 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
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this.setEnforceWhitelist(dedicatedserverproperties.enforceWhitelist);
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// this.worldData.setGameType(dedicatedserverproperties.gamemode); // CraftBukkit - moved to world loading
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DedicatedServer.LOGGER.info("Default game type: {}", dedicatedserverproperties.gamemode);
+ // Paper start - Unix domain socket support
+ java.net.SocketAddress bindAddress;
+ if (this.getLocalIp().startsWith("unix:")) {
+ if (!io.netty.channel.epoll.Epoll.isAvailable()) {
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+ DedicatedServer.LOGGER.error("**** INVALID CONFIGURATION!");
+ DedicatedServer.LOGGER.error("You are trying to use a Unix domain socket but you're not on a supported OS.");
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+ return false;
+ } else if (!io.papermc.paper.configuration.GlobalConfiguration.get().proxies.velocity.enabled && !org.spigotmc.SpigotConfig.bungee) {
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+ DedicatedServer.LOGGER.error("**** INVALID CONFIGURATION!");
+ DedicatedServer.LOGGER.error("Unix domain sockets require IPs to be forwarded from a proxy.");
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+ return false;
+ }
+ bindAddress = new io.netty.channel.unix.DomainSocketAddress(this.getLocalIp().substring("unix:".length()));
+ } else {
InetAddress inetaddress = null;
if (!this.getLocalIp().isEmpty()) {
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@@ -241,12 +255,15 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
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if (this.getPort() < 0) {
this.setPort(dedicatedserverproperties.serverPort);
}
+ bindAddress = new java.net.InetSocketAddress(inetaddress, this.getPort());
+ }
+ // Paper end - Unix domain socket support
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this.initializeKeyPair();
DedicatedServer.LOGGER.info("Starting Minecraft server on {}:{}", this.getLocalIp().isEmpty() ? "*" : this.getLocalIp(), this.getPort());
try {
- this.getConnection().startTcpServerListener(inetaddress, this.getPort());
+ this.getConnection().bind(bindAddress); // Paper - Unix domain socket support
} catch (IOException ioexception) {
DedicatedServer.LOGGER.warn("**** FAILED TO BIND TO PORT!");
DedicatedServer.LOGGER.warn("The exception was: {}", ioexception.toString());
diff --git a/src/main/java/net/minecraft/server/network/ServerConnectionListener.java b/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
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index d6d7f1c446ba5507f67038ff27775ba75156f4a7..c63c194c44646e6bc1a59426552787011fc2ced5 100644
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--- a/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
+++ b/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
@@ -76,7 +76,12 @@ public class ServerConnectionListener {
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this.running = true;
}
+ // Paper start - Unix domain socket support
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public void startTcpServerListener(@Nullable InetAddress address, int port) throws IOException {
+ bind(new java.net.InetSocketAddress(address, port));
+ }
+ public void bind(java.net.SocketAddress address) throws IOException {
+ // Paper end - Unix domain socket support
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List list = this.channels;
synchronized (this.channels) {
@@ -84,7 +89,13 @@ public class ServerConnectionListener {
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EventLoopGroup eventloopgroup;
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if (Epoll.isAvailable() && this.server.isEpollEnabled()) {
+ // Paper start - Unix domain socket support
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+ if (address instanceof io.netty.channel.unix.DomainSocketAddress) {
+ oclass = io.netty.channel.epoll.EpollServerDomainSocketChannel.class;
+ } else {
oclass = EpollServerSocketChannel.class;
+ }
+ // Paper end - Unix domain socket support
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eventloopgroup = (EventLoopGroup) ServerConnectionListener.SERVER_EPOLL_EVENT_GROUP.get();
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ServerConnectionListener.LOGGER.info("Using epoll channel type");
} else {
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@@ -117,7 +128,7 @@ public class ServerConnectionListener {
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((Connection) object).setListenerForServerboundHandshake(new ServerHandshakePacketListenerImpl(ServerConnectionListener.this.server, (Connection) object));
io.papermc.paper.network.ChannelInitializeListenerHolder.callListeners(channel); // Paper - Add Channel initialization listeners
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}
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- }).group(eventloopgroup).localAddress(address, port)).option(ChannelOption.AUTO_READ, false).bind().syncUninterruptibly()); // CraftBukkit
+ }).group(eventloopgroup).localAddress(address)).option(ChannelOption.AUTO_READ, false).bind().syncUninterruptibly()); // CraftBukkit // Paper - Unix domain socket support
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}
}
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diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
Updated Upstream (Bukkit/CraftBukkit) (#10691) Updated Upstream (Bukkit/CraftBukkit) 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: fa99e752 PR-1007: Add ItemMeta#getAsComponentString() 94a91782 Fix copy-pasted BlockType.Typed documentation 9b34ac8c Largely restore deprecated PotionData API 51a6449b PR-1008: Deprecate ITEMS_TOOLS, removed in 1.20.5 702d15fe Fix Javadoc reference 42f6cdf4 PR-919: Add internal ItemType and BlockType, delegate Material methods to them 237bb37b SPIGOT-1166, SPIGOT-7647: Expose Damager BlockState in EntityDamageByBlockEvent 035ea146 SPIGOT-6993: Allow #setVelocity to change the speed of a fireball and add a note to #setDirection about it 8c7880fb PR-1004: Improve field rename handling and centralize conversion between bukkit and string more 87c90e93 SPIGOT-7650: Add DamageSource for EntityDeathEvent and PlayerDeathEvent CraftBukkit Changes: 4af0f22e8 SPIGOT-7664: Item meta should prevail over block states c2ccc46ec SPIGOT-7666: Fix access to llama and horse special slot 124ac66d7 SPIGOT-7665: Fix ThrownPotion#getEffects() implementation only bringing custom effects 66f1f439a Restore null page behaviour of signed books even though not strictly allowed by API 6118e5398 Fix regression listening to minecraft:brand custom payloads c1a26b366 Fix unnecessary and potential not thread-safe chat visibility check 12360a7ec Remove unused imports 147b098b4 PR-1397: Add ItemMeta#getAsComponentString() 428aefe0e Largely restore deprecated PotionData API afe5b5ee9 PR-1275: Add internal ItemType and BlockType, delegate Material methods to them 8afeafa7d SPIGOT-1166, SPIGOT-7647: Expose Damager BlockState in EntityDamageByBlockEvent 4e7d749d4 SPIGOT-6993: Allow #setVelocity to change the speed of a fireball and add a note to #setDirection about it 441880757 Support both entity_data and bucket_entity_data on axolotl/fish buckets 0e22fdd1e Fix custom direct BlockState being not correctly set in DamageSource f2182ed47 SPIGOT-7659: TropicalFishBucketMeta should use BUCKET_ENTITY_DATA 2a6207fe1 PR-1393: Improve field rename handling and centralize conversion between bukkit and string more c024a5039 SPIGOT-7650: Add DamageSource for EntityDeathEvent and PlayerDeathEvent 741b84480 PR-1390: Improve internal handling of damage sources 0364df4e1 SPIGOT-7657: Error when loading angry entities
2024-05-11 23:48:37 +02:00
index a04c7677ded862890e6e809db610817b4cfff56a..f4c6e815253f3e49577c554bf632e5c9f4f578ff 100644
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--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
Updated Upstream (Bukkit/CraftBukkit) (#10691) Updated Upstream (Bukkit/CraftBukkit) 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: fa99e752 PR-1007: Add ItemMeta#getAsComponentString() 94a91782 Fix copy-pasted BlockType.Typed documentation 9b34ac8c Largely restore deprecated PotionData API 51a6449b PR-1008: Deprecate ITEMS_TOOLS, removed in 1.20.5 702d15fe Fix Javadoc reference 42f6cdf4 PR-919: Add internal ItemType and BlockType, delegate Material methods to them 237bb37b SPIGOT-1166, SPIGOT-7647: Expose Damager BlockState in EntityDamageByBlockEvent 035ea146 SPIGOT-6993: Allow #setVelocity to change the speed of a fireball and add a note to #setDirection about it 8c7880fb PR-1004: Improve field rename handling and centralize conversion between bukkit and string more 87c90e93 SPIGOT-7650: Add DamageSource for EntityDeathEvent and PlayerDeathEvent CraftBukkit Changes: 4af0f22e8 SPIGOT-7664: Item meta should prevail over block states c2ccc46ec SPIGOT-7666: Fix access to llama and horse special slot 124ac66d7 SPIGOT-7665: Fix ThrownPotion#getEffects() implementation only bringing custom effects 66f1f439a Restore null page behaviour of signed books even though not strictly allowed by API 6118e5398 Fix regression listening to minecraft:brand custom payloads c1a26b366 Fix unnecessary and potential not thread-safe chat visibility check 12360a7ec Remove unused imports 147b098b4 PR-1397: Add ItemMeta#getAsComponentString() 428aefe0e Largely restore deprecated PotionData API afe5b5ee9 PR-1275: Add internal ItemType and BlockType, delegate Material methods to them 8afeafa7d SPIGOT-1166, SPIGOT-7647: Expose Damager BlockState in EntityDamageByBlockEvent 4e7d749d4 SPIGOT-6993: Allow #setVelocity to change the speed of a fireball and add a note to #setDirection about it 441880757 Support both entity_data and bucket_entity_data on axolotl/fish buckets 0e22fdd1e Fix custom direct BlockState being not correctly set in DamageSource f2182ed47 SPIGOT-7659: TropicalFishBucketMeta should use BUCKET_ENTITY_DATA 2a6207fe1 PR-1393: Improve field rename handling and centralize conversion between bukkit and string more c024a5039 SPIGOT-7650: Add DamageSource for EntityDeathEvent and PlayerDeathEvent 741b84480 PR-1390: Improve internal handling of damage sources 0364df4e1 SPIGOT-7657: Error when loading angry entities
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@@ -2534,6 +2534,11 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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// Spigot Start
public SocketAddress getRawAddress()
{
+ // Paper start - Unix domain socket support; this can be nullable in the case of a Unix domain socket, so if it is, fake something
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+ if (connection.channel.remoteAddress() == null) {
+ return new java.net.InetSocketAddress(java.net.InetAddress.getLoopbackAddress(), 0);
+ }
+ // Paper end - Unix domain socket support
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return this.connection.channel.remoteAddress();
}
// Spigot End
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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
index b5d8ef9dd24687b99f5cf547574351c359fb85ba..45a2683c9489bee6d67a1f3d702c17f2e9dc02e4 100644
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--- a/src/main/java/net/minecraft/server/network/ServerHandshakePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerHandshakePacketListenerImpl.java
@@ -80,6 +80,7 @@ public class ServerHandshakePacketListenerImpl implements ServerHandshakePacketL
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this.connection.setupOutboundProtocol(LoginProtocols.CLIENTBOUND);
// CraftBukkit start - Connection throttle
try {
+ if (!(this.connection.channel.localAddress() instanceof io.netty.channel.unix.DomainSocketAddress)) { // Paper - Unix domain socket support; the connection throttle is useless when you have a Unix domain socket
long currentTime = System.currentTimeMillis();
long connectionThrottle = this.server.server.getConnectionThrottle();
InetAddress address = ((java.net.InetSocketAddress) this.connection.getRemoteAddress()).getAddress();
@@ -108,6 +109,7 @@ public class ServerHandshakePacketListenerImpl implements ServerHandshakePacketL
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}
}
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}
+ } // Paper - Unix domain socket support
} catch (Throwable t) {
org.apache.logging.log4j.LogManager.getLogger().debug("Failed to check connection throttle", t);
}
@@ -165,8 +167,11 @@ public class ServerHandshakePacketListenerImpl implements ServerHandshakePacketL
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if (!handledByEvent && proxyLogicEnabled) { // Paper
// if (org.spigotmc.SpigotConfig.bungee) { // Paper - comment out, we check above!
if ( ( split.length == 3 || split.length == 4 ) && ( ServerHandshakePacketListenerImpl.BYPASS_HOSTCHECK || ServerHandshakePacketListenerImpl.HOST_PATTERN.matcher( split[1] ).matches() ) ) { // Paper - Add bypass host check
+ // Paper start - Unix domain socket support
+ java.net.SocketAddress socketAddress = this.connection.getRemoteAddress();
this.connection.hostname = split[0];
- this.connection.address = new java.net.InetSocketAddress(split[1], ((java.net.InetSocketAddress) this.connection.getRemoteAddress()).getPort());
+ this.connection.address = new java.net.InetSocketAddress(split[1], socketAddress instanceof java.net.InetSocketAddress ? ((java.net.InetSocketAddress) socketAddress).getPort() : 0);
+ // Paper end - Unix domain socket support
this.connection.spoofedUUID = com.mojang.util.UndashedUuid.fromStringLenient( split[2] );
} else
{