Paper/patches/server/0844-Add-support-for-Proxy-Protocol.patch
Jake Potrebic 03a4e7ac75
Updated Upstream (Bukkit/CraftBukkit) (#8832)
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:
37262de8 PR-812: Add Registry#match(String)
d6b40162 SPIGOT-4569: Add more BlockData API
f9691891 PR-809: Throw a more clear error for BlockIterators with zero direction, add Vector#isZero()
91e79e19 PR-804: Added methods to get translation keys for materials, itemstacks and more
426b00d3 PR-795: Add new BiomeParameterPoint passed to BiomeProvider#getBiome
0e91ea52 SPIGOT-7224: Add events for brewing stands and campfires starting their actions

CraftBukkit Changes:
a50301aa5 Fix issues with fluid tag conversion and fluid #isTagged
6aeb5e4c3 SPIGOT-4569: Implement more BlockData API
7dbf862c2 PR-1131: Added methods to get translation keys for materials, itemstacks and more
7167588b1 PR-1117: Add new BiomeParameterPoint passed to BiomeProvider#getBiome
7c44152eb SPIGOT-7224: Add events for brewing stands and campfires starting their actions
2023-02-15 14:10:14 -08:00

67 lines
4.2 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: PanSzelescik <panszelescik@gmail.com>
Date: Thu, 7 Apr 2022 16:13:39 +0200
Subject: [PATCH] Add support for Proxy Protocol
diff --git a/build.gradle.kts b/build.gradle.kts
index da408b67c42f6cc0b5322f57ff86f93f66eb8c06..6a1853f3d988820f357c11371e32d50682e60401 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -20,6 +20,7 @@ dependencies {
*/
implementation("org.apache.logging.log4j:log4j-core:2.14.1") // Paper - implementation
annotationProcessor("org.apache.logging.log4j:log4j-core:2.14.1") // Paper - Needed to generate meta for our Log4j plugins
+ implementation("io.netty:netty-codec-haproxy:4.1.87.Final") // Paper - Add support for proxy protocol
// Paper end
implementation("org.apache.logging.log4j:log4j-iostreams:2.19.0") // Paper - remove exclusion
implementation("org.ow2.asm:asm:9.3")
diff --git a/src/main/java/net/minecraft/server/network/ServerConnectionListener.java b/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
index cfdbcd024de6ad0f9d4e83b2f912b36ef3299458..abcc3266d18f34d160eac87fdea153dce24c60b8 100644
--- a/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
+++ b/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
@@ -111,6 +111,12 @@ public class ServerConnectionListener {
ServerConnectionListener.LOGGER.info("Paper: Using " + com.velocitypowered.natives.util.Natives.cipher.getLoadedVariant() + " cipher from Velocity.");
// Paper end
+ // Paper start - indicate Proxy Protocol usage
+ if (io.papermc.paper.configuration.GlobalConfiguration.get().proxies.proxyProtocol) {
+ ServerConnectionListener.LOGGER.info("Paper: Using Proxy Protocol");
+ }
+ // Paper end
+
this.channels.add(((ServerBootstrap) ((ServerBootstrap) (new ServerBootstrap()).channel(oclass)).childHandler(new ChannelInitializer<Channel>() {
protected void initChannel(Channel channel) {
try {
@@ -124,6 +130,30 @@ public class ServerConnectionListener {
int j = ServerConnectionListener.this.server.getRateLimitPacketsPerSecond();
Object object = j > 0 ? new RateKickingConnection(j) : new Connection(PacketFlow.SERVERBOUND);
+ // Paper start - Add support for Proxy Protocol
+ if (io.papermc.paper.configuration.GlobalConfiguration.get().proxies.proxyProtocol) {
+ channel.pipeline().addAfter("timeout", "haproxy-decoder", new io.netty.handler.codec.haproxy.HAProxyMessageDecoder());
+ channel.pipeline().addAfter("haproxy-decoder", "haproxy-handler", new ChannelInboundHandlerAdapter() {
+ @Override
+ public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
+ if (msg instanceof io.netty.handler.codec.haproxy.HAProxyMessage message) {
+ if (message.command() == io.netty.handler.codec.haproxy.HAProxyCommand.PROXY) {
+ String realaddress = message.sourceAddress();
+ int realport = message.sourcePort();
+
+ SocketAddress socketaddr = new java.net.InetSocketAddress(realaddress, realport);
+
+ Connection connection = (Connection) channel.pipeline().get("packet_handler");
+ connection.address = socketaddr;
+ }
+ } else {
+ super.channelRead(ctx, msg);
+ }
+ }
+ });
+ }
+ // Paper end
+
// ServerConnectionListener.this.connections.add((Connection) object); // CraftBukkit - decompile error
pending.add((Connection) object); // Paper
channel.pipeline().addLast("packet_handler", (ChannelHandler) object);