Add Unix domain socket support (#5611)

Tested-by: Mariell Hoversholm <proximyst@proximyst.com>
Reviewed-by: Mariell Hoversholm <proximyst@proximyst.com>
This commit is contained in:
Andrew Steinborn 2021-05-23 07:18:50 -04:00 committed by GitHub
parent 68c67e6800
commit 68984b6645
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
7 changed files with 166 additions and 19 deletions

View file

@ -6,7 +6,7 @@ Subject: [PATCH] Add handshake event to allow plugins to handle client
diff --git a/src/main/java/net/minecraft/server/network/HandshakeListener.java b/src/main/java/net/minecraft/server/network/HandshakeListener.java
index 9b24afa4f4fe41d2261b16aaecec2144ac7d049f..5047a742d2e6a9749aa7d37e761d023a3425944b 100644
index 9b24afa4f4fe41d2261b16aaecec2144ac7d049f..1164782be686c91379494b236ebded817a002a6f 100644
--- a/src/main/java/net/minecraft/server/network/HandshakeListener.java
+++ b/src/main/java/net/minecraft/server/network/HandshakeListener.java
@@ -29,7 +29,7 @@ public class HandshakeListener implements PacketHandshakingInListener {
@ -18,7 +18,7 @@ index 9b24afa4f4fe41d2261b16aaecec2144ac7d049f..5047a742d2e6a9749aa7d37e761d023a
public HandshakeListener(MinecraftServer minecraftserver, NetworkManager networkmanager) {
this.b = minecraftserver;
@@ -88,8 +88,34 @@ public class HandshakeListener implements PacketHandshakingInListener {
@@ -88,8 +88,35 @@ public class HandshakeListener implements PacketHandshakingInListener {
this.c.close(chatmessage);
} else {
this.c.setPacketListener(new LoginListener(this.b, this.c));
@ -27,8 +27,9 @@ index 9b24afa4f4fe41d2261b16aaecec2144ac7d049f..5047a742d2e6a9749aa7d37e761d023a
+ boolean handledByEvent = false;
+ // Try and handle the handshake through the event
+ if (com.destroystokyo.paper.event.player.PlayerHandshakeEvent.getHandlerList().getRegisteredListeners().length != 0) { // Hello? Can you hear me?
+ java.net.InetSocketAddress socketAddress = (java.net.InetSocketAddress) this.getNetworkManager().socketAddress;
+ com.destroystokyo.paper.event.player.PlayerHandshakeEvent event = new com.destroystokyo.paper.event.player.PlayerHandshakeEvent(packethandshakinginsetprotocol.hostname, socketAddress.getAddress().getHostAddress(), !proxyLogicEnabled);
+ java.net.SocketAddress socketAddress = this.getNetworkManager().socketAddress;
+ String hostnameOfRemote = socketAddress instanceof java.net.InetSocketAddress ? ((java.net.InetSocketAddress) socketAddress).getHostString() : InetAddress.getLoopbackAddress().getHostAddress();
+ com.destroystokyo.paper.event.player.PlayerHandshakeEvent event = new com.destroystokyo.paper.event.player.PlayerHandshakeEvent(packethandshakinginsetprotocol.hostname, hostnameOfRemote, !proxyLogicEnabled);
+ if (event.callEvent()) {
+ // If we've failed somehow, let the client know so and go no further.
+ if (event.isFailed()) {
@ -39,7 +40,7 @@ index 9b24afa4f4fe41d2261b16aaecec2144ac7d049f..5047a742d2e6a9749aa7d37e761d023a
+ }
+
+ if (event.getServerHostname() != null) packethandshakinginsetprotocol.hostname = event.getServerHostname();
+ if (event.getSocketAddressHostname() != null) this.getNetworkManager().socketAddress = new java.net.InetSocketAddress(event.getSocketAddressHostname(), socketAddress.getPort());
+ if (event.getSocketAddressHostname() != null) this.getNetworkManager().socketAddress = new java.net.InetSocketAddress(event.getSocketAddressHostname(), socketAddress instanceof java.net.InetSocketAddress ? ((java.net.InetSocketAddress) socketAddress).getPort() : 0);
+ this.getNetworkManager().spoofedUUID = event.getUniqueId();
+ this.getNetworkManager().spoofedProfile = gson.fromJson(event.getPropertiesJson(), com.mojang.authlib.properties.Property[].class);
+ handledByEvent = true; // Hooray, we did it!

View file

@ -88,10 +88,10 @@ index b290ddfbc19aed3e44169281c3dae5429dac0062..14c002376540d2039fc2fe2ef746e534
return this.a;
}
diff --git a/src/main/java/net/minecraft/server/network/HandshakeListener.java b/src/main/java/net/minecraft/server/network/HandshakeListener.java
index 5047a742d2e6a9749aa7d37e761d023a3425944b..24486bc7290ec6ef1e00a94e289ca35b804ab172 100644
index ce4573c4cdc6c42aafb966e0e9658b197ab4243d..b08bd632e7e2126aa7aa58a3643e1f59f03fe538 100644
--- a/src/main/java/net/minecraft/server/network/HandshakeListener.java
+++ b/src/main/java/net/minecraft/server/network/HandshakeListener.java
@@ -149,6 +149,10 @@ public class HandshakeListener implements PacketHandshakingInListener {
@@ -150,6 +150,10 @@ public class HandshakeListener implements PacketHandshakingInListener {
throw new UnsupportedOperationException("Invalid intention " + packethandshakinginsetprotocol.b());
}
@ -103,7 +103,7 @@ index 5047a742d2e6a9749aa7d37e761d023a3425944b..24486bc7290ec6ef1e00a94e289ca35b
@Override
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index 3ab71629699f4978cd2dab36ec7e3b32a1681f91..b9a12d59e0144becc7e9c06d9a3c3079d006b583 100644
index 2a3a2ea0fb7aee6bee88c4e578d2dd8074be971b..debb2887387e0a873292d32a9e34096494e4b716 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -188,6 +188,20 @@ public class CraftPlayer extends CraftHumanEntity implements Player {

View file

@ -189,7 +189,7 @@ index eb970c1e954cb0aa83aa12e83c471778809e69b2..2d8c917509f10a96fc82404908b452cb
public void a(PacketDataSerializer packetdataserializer) throws IOException {
this.a = packetdataserializer.i();
diff --git a/src/main/java/net/minecraft/server/network/LoginListener.java b/src/main/java/net/minecraft/server/network/LoginListener.java
index 21e70a133278d85ecd65fec36a273ed4faabf6cc..36f747af18347197bab7c335d5d7dfc01a5aff80 100644
index 21e70a133278d85ecd65fec36a273ed4faabf6cc..b89a8ee2ea03d00a3d6af63d6e3e0fd62af31130 100644
--- a/src/main/java/net/minecraft/server/network/LoginListener.java
+++ b/src/main/java/net/minecraft/server/network/LoginListener.java
@@ -18,12 +18,14 @@ import javax.crypto.Cipher;
@ -251,7 +251,7 @@ index 21e70a133278d85ecd65fec36a273ed4faabf6cc..36f747af18347197bab7c335d5d7dfc0
String playerName = i.getName();
java.net.InetAddress address = ((java.net.InetSocketAddress) networkManager.getSocketAddress()).getAddress();
java.util.UUID uniqueId = i.getId();
@@ -361,6 +379,35 @@ public class LoginListener implements PacketLoginInListener {
@@ -361,6 +379,40 @@ public class LoginListener implements PacketLoginInListener {
// Spigot end
public void a(PacketLoginInCustomPayload packetloginincustompayload) {
@ -268,7 +268,12 @@ index 21e70a133278d85ecd65fec36a273ed4faabf6cc..36f747af18347197bab7c335d5d7dfc0
+ return;
+ }
+
+ this.networkManager.socketAddress = new java.net.InetSocketAddress(com.destroystokyo.paper.proxy.VelocityProxy.readAddress(buf), ((java.net.InetSocketAddress) this.networkManager.getSocketAddress()).getPort());
+ java.net.SocketAddress listening = this.networkManager.getSocketAddress();
+ int port = 0;
+ if (listening instanceof java.net.InetSocketAddress) {
+ port = ((java.net.InetSocketAddress) listening).getPort();
+ }
+ this.networkManager.socketAddress = new java.net.InetSocketAddress(com.destroystokyo.paper.proxy.VelocityProxy.readAddress(buf), port);
+
+ this.setGameProfile(com.destroystokyo.paper.proxy.VelocityProxy.createProfile(buf));
+
@ -288,7 +293,7 @@ index 21e70a133278d85ecd65fec36a273ed4faabf6cc..36f747af18347197bab7c335d5d7dfc0
}
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 04e20cb1efb7dd4be13e7c01f86f671bc9924314..63f24b977d11fc2658f8ec23c65029f3baf551f5 100644
index d2e8d50adc49cc00d95f928a65a3c23fff0c4c80..8f472f34e4839c1c6b02b2464d73635085a78544 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -682,7 +682,7 @@ public final class CraftServer implements Server {

View file

@ -57,10 +57,10 @@ index ab70eeaeca222de7de7cab1b3db14b2c4761c3c3..878f879f8d410c428ad8a4c49e0c86c5
if (this.packetListener instanceof PlayerConnection) {
diff --git a/src/main/java/net/minecraft/server/network/LoginListener.java b/src/main/java/net/minecraft/server/network/LoginListener.java
index 06e2b48ed6d6d52d0eb17301254ed07fb69cb8af..e9fc38f69af815f021a08a94dd41b91171dbf2d6 100644
index 44d20fc4de5c6ab59566efd29e6dfa232e36bff9..e9bc28559efdcccfb142ef8d7c614a5eecfb85a7 100644
--- a/src/main/java/net/minecraft/server/network/LoginListener.java
+++ b/src/main/java/net/minecraft/server/network/LoginListener.java
@@ -417,7 +417,7 @@ public class LoginListener implements PacketLoginInListener {
@@ -422,7 +422,7 @@ public class LoginListener implements PacketLoginInListener {
return new GameProfile(uuid, gameprofile.getName());
}

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@ -5,7 +5,7 @@ Subject: [PATCH] Fix hex colors not working in some kick messages
diff --git a/src/main/java/net/minecraft/server/network/HandshakeListener.java b/src/main/java/net/minecraft/server/network/HandshakeListener.java
index 3d5381a6737876d3d7de40cacef900ab7ad27e27..97c7914e9826defc3e7167879e387fe697c10f3e 100644
index ec6a3f57bdfaaa25e9ca350b5a712e644c9c9699..123acee4b06721ede5f2c5f8eaecffb728d63767 100644
--- a/src/main/java/net/minecraft/server/network/HandshakeListener.java
+++ b/src/main/java/net/minecraft/server/network/HandshakeListener.java
@@ -50,7 +50,7 @@ public class HandshakeListener implements PacketHandshakingInListener {
@ -33,7 +33,7 @@ index 3d5381a6737876d3d7de40cacef900ab7ad27e27..97c7914e9826defc3e7167879e387fe6
}
this.c.sendPacket(new PacketLoginOutDisconnect(chatmessage));
@@ -98,7 +98,7 @@ public class HandshakeListener implements PacketHandshakingInListener {
@@ -99,7 +99,7 @@ public class HandshakeListener implements PacketHandshakingInListener {
if (event.callEvent()) {
// If we've failed somehow, let the client know so and go no further.
if (event.isFailed()) {
@ -43,7 +43,7 @@ index 3d5381a6737876d3d7de40cacef900ab7ad27e27..97c7914e9826defc3e7167879e387fe6
this.getNetworkManager().close(chatmessage);
return;
diff --git a/src/main/java/net/minecraft/server/network/LoginListener.java b/src/main/java/net/minecraft/server/network/LoginListener.java
index e9fc38f69af815f021a08a94dd41b91171dbf2d6..c67b94840e4c967baebf6eb351df15f0e4ead4be 100644
index e9bc28559efdcccfb142ef8d7c614a5eecfb85a7..4b63e84cc5d520a3f532163c5ee39e0f1acf56d8 100644
--- a/src/main/java/net/minecraft/server/network/LoginListener.java
+++ b/src/main/java/net/minecraft/server/network/LoginListener.java
@@ -106,14 +106,7 @@ public class LoginListener implements PacketLoginInListener {

View file

@ -8,7 +8,7 @@ Paper.bypassHostCheck
Seriously, fix your firewalls. -.-
diff --git a/src/main/java/net/minecraft/server/network/HandshakeListener.java b/src/main/java/net/minecraft/server/network/HandshakeListener.java
index 97c7914e9826defc3e7167879e387fe697c10f3e..c30270ab3e822977a87240bbb98289e1d03d3748 100644
index 123acee4b06721ede5f2c5f8eaecffb728d63767..163dcec66070745e90acce188af2e4d79c679db5 100644
--- a/src/main/java/net/minecraft/server/network/HandshakeListener.java
+++ b/src/main/java/net/minecraft/server/network/HandshakeListener.java
@@ -30,6 +30,7 @@ public class HandshakeListener implements PacketHandshakingInListener {
@ -19,7 +19,7 @@ index 97c7914e9826defc3e7167879e387fe697c10f3e..c30270ab3e822977a87240bbb98289e1
public HandshakeListener(MinecraftServer minecraftserver, NetworkManager networkmanager) {
this.b = minecraftserver;
@@ -117,7 +118,7 @@ public class HandshakeListener implements PacketHandshakingInListener {
@@ -118,7 +119,7 @@ public class HandshakeListener implements PacketHandshakingInListener {
// Spigot Start
//if (org.spigotmc.SpigotConfig.bungee) { // Paper - comment out, we check above!
String[] split = packethandshakinginsetprotocol.hostname.split("\00");

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@ -0,0 +1,141 @@
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
For Windows and ARM support, JEP-380 is required:
https://inside.java/2021/02/03/jep380-unix-domain-sockets-channels/
This will be possible as of the Minecraft 1.17 Java version bump.
Tested-by: Mariell Hoversholm <proximyst@proximyst.com>
Reviewed-by: Mariell Hoversholm <proximyst@proximyst.com>
diff --git a/src/main/java/net/minecraft/network/NetworkManager.java b/src/main/java/net/minecraft/network/NetworkManager.java
index f86f430598026a3a7e27fb8d40cfc5fe7b9b845d..bf0c01eaf593972bbb18c22cfdb3abd658ec6498 100644
--- a/src/main/java/net/minecraft/network/NetworkManager.java
+++ b/src/main/java/net/minecraft/network/NetworkManager.java
@@ -564,6 +564,11 @@ public class NetworkManager extends SimpleChannelInboundHandler<Packet<?>> {
// Spigot Start
public SocketAddress getRawAddress()
{
+ // Paper start - this can be nullable in the case of a Unix domain socket, so if it is, fake something
+ if (this.channel.remoteAddress() == null) {
+ return new java.net.InetSocketAddress(java.net.InetAddress.getLoopbackAddress(), 0);
+ }
+ // Paper end
return this.channel.remoteAddress();
}
// Spigot End
diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
index df8270c40ed7ce6f628686ff6f4fa4cf96af6738..b7c637900bf9229069fb618fdda0bf49d36d776e 100644
--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
@@ -225,6 +225,20 @@ public class DedicatedServer extends MinecraftServer implements IMinecraftServer
this.i(dedicatedserverproperties.enforceWhitelist);
// this.saveData.setGameType(dedicatedserverproperties.gamemode); // CraftBukkit - moved to world loading
DedicatedServer.LOGGER.info("Default game type: {}", dedicatedserverproperties.gamemode);
+ // Paper start - Unix domain socket support
+ java.net.SocketAddress bindAddress;
+ if (this.getServerIp().startsWith("unix:")) {
+ if (!io.netty.channel.epoll.Epoll.isAvailable()) {
+ DedicatedServer.LOGGER.fatal("**** INVALID CONFIGURATION!");
+ DedicatedServer.LOGGER.fatal("You are trying to use a Unix domain socket but you're not on a supported OS.");
+ return false;
+ } else if (!com.destroystokyo.paper.PaperConfig.velocitySupport && !org.spigotmc.SpigotConfig.bungee) {
+ DedicatedServer.LOGGER.fatal("**** INVALID CONFIGURATION!");
+ DedicatedServer.LOGGER.fatal("Unix domain sockets require IPs to be forwarded from a proxy.");
+ return false;
+ }
+ bindAddress = new io.netty.channel.unix.DomainSocketAddress(this.getServerIp().substring("unix:".length()));
+ } else {
InetAddress inetaddress = null;
if (!this.getServerIp().isEmpty()) {
@@ -234,12 +248,15 @@ public class DedicatedServer extends MinecraftServer implements IMinecraftServer
if (this.getPort() < 0) {
this.setPort(dedicatedserverproperties.serverPort);
}
+ bindAddress = new java.net.InetSocketAddress(inetaddress, this.getPort());
+ }
+ // Paper end
this.P();
DedicatedServer.LOGGER.info("Starting Minecraft server on {}:{}", this.getServerIp().isEmpty() ? "*" : this.getServerIp(), this.getPort());
try {
- this.getServerConnection().a(inetaddress, this.getPort());
+ this.getServerConnection().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/HandshakeListener.java b/src/main/java/net/minecraft/server/network/HandshakeListener.java
index 74006c0af831c0e6a2b84b3638e397ab54984dc5..82540af8170f0b8cb52b13061ae8f956f1a6e46f 100644
--- a/src/main/java/net/minecraft/server/network/HandshakeListener.java
+++ b/src/main/java/net/minecraft/server/network/HandshakeListener.java
@@ -44,6 +44,7 @@ public class HandshakeListener implements PacketHandshakingInListener {
this.c.setProtocol(EnumProtocol.LOGIN);
// CraftBukkit start - Connection throttle
try {
+ if (!(this.c.channel.localAddress() instanceof io.netty.channel.unix.DomainSocketAddress)) { // Paper - the connection throttle is useless when you have a Unix domain socket
long currentTime = System.currentTimeMillis();
long connectionThrottle = this.b.server.getConnectionThrottle();
InetAddress address = ((java.net.InetSocketAddress) this.c.getSocketAddress()).getAddress();
@@ -72,6 +73,7 @@ public class HandshakeListener implements PacketHandshakingInListener {
}
}
}
+ } // Paper - add closing bracket for if check above
} catch (Throwable t) {
org.apache.logging.log4j.LogManager.getLogger().debug("Failed to check connection throttle", t);
}
@@ -120,8 +122,11 @@ public class HandshakeListener implements PacketHandshakingInListener {
//if (org.spigotmc.SpigotConfig.bungee) { // Paper - comment out, we check above!
String[] split = packethandshakinginsetprotocol.hostname.split("\00");
if ( ( split.length == 3 || split.length == 4 ) && ( BYPASS_HOSTCHECK || HOST_PATTERN.matcher( split[1] ).matches() ) ) { // Paper
+ // Paper start - Unix domain socket support
+ java.net.SocketAddress socketAddress = c.getSocketAddress();
packethandshakinginsetprotocol.hostname = split[0];
- c.socketAddress = new java.net.InetSocketAddress(split[1], ((java.net.InetSocketAddress) c.getSocketAddress()).getPort());
+ c.socketAddress = new java.net.InetSocketAddress(split[1], socketAddress instanceof java.net.InetSocketAddress ? ((java.net.InetSocketAddress) socketAddress).getPort() : 0);
+ // Paper end
c.spoofedUUID = com.mojang.util.UUIDTypeAdapter.fromString( split[2] );
} else
{
diff --git a/src/main/java/net/minecraft/server/network/ServerConnection.java b/src/main/java/net/minecraft/server/network/ServerConnection.java
index 69fc2789df88344587b6052f93661ed38f24a503..06b0ed65905b9829564dfddd29012218af0f403d 100644
--- a/src/main/java/net/minecraft/server/network/ServerConnection.java
+++ b/src/main/java/net/minecraft/server/network/ServerConnection.java
@@ -70,7 +70,12 @@ public class ServerConnection {
this.c = true;
}
+ // Paper start
public void a(@Nullable InetAddress inetaddress, int i) throws IOException {
+ bind(new java.net.InetSocketAddress(inetaddress, i));
+ }
+ public void bind(java.net.SocketAddress address) throws IOException {
+ // Paper end
List list = this.listeningChannels;
synchronized (this.listeningChannels) {
@@ -78,7 +83,11 @@ public class ServerConnection {
LazyInitVar lazyinitvar;
if (Epoll.isAvailable() && this.e.l()) {
+ if (address instanceof io.netty.channel.unix.DomainSocketAddress) {
+ oclass = io.netty.channel.epoll.EpollServerDomainSocketChannel.class;
+ } else {
oclass = EpollServerSocketChannel.class;
+ }
lazyinitvar = ServerConnection.b;
ServerConnection.LOGGER.info("Using epoll channel type");
} else {
@@ -106,7 +115,7 @@ public class ServerConnection {
((NetworkManager) object).setPacketListener(new HandshakeListener(ServerConnection.this.e, (NetworkManager) object));
io.papermc.paper.network.ChannelInitializeListenerHolder.callListeners(channel); // Paper
}
- }).group((EventLoopGroup) lazyinitvar.a()).localAddress(inetaddress, i)).option(ChannelOption.AUTO_READ, false).bind().syncUninterruptibly()); // CraftBukkit
+ }).group((EventLoopGroup) lazyinitvar.a()).localAddress(address)).option(ChannelOption.AUTO_READ, false).bind().syncUninterruptibly()); // CraftBukkit // Paper
}
}