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Fix PROXY protocol support

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Camotoy 2024-10-10 15:27:49 -04:00
parent 123c5cc5d8
commit 50de9d6867
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GPG key ID: 7EEFB66FE798081F
2 changed files with 29 additions and 16 deletions
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43
core/src/main/java/org/geysermc/geyser/network/netty/LocalSession.java
View file

@ -27,7 +27,8 @@ package org.geysermc.geyser.network.netty;
import io.netty.bootstrap.Bootstrap;
import io.netty.buffer.ByteBufAllocator;
import io.netty.channel.Channel;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.ChannelPipeline;
@ -101,7 +102,7 @@ public final class LocalSession extends TcpSession {
ChannelPipeline pipeline = channel.pipeline();
initializeHAProxySupport(channel);
addHAProxySupport(pipeline);
pipeline.addLast("read-timeout", new ReadTimeoutHandler(getFlag(BuiltinFlags.READ_TIMEOUT, 30)));
pipeline.addLast("write-timeout", new WriteTimeoutHandler(getFlag(BuiltinFlags.WRITE_TIMEOUT, 0)));
@ -142,21 +143,33 @@ public final class LocalSession extends TcpSession {
return (MinecraftCodecHelper) this.codecHelper;
}
private void initializeHAProxySupport(Channel channel) {
// TODO duplicate code
private void addHAProxySupport(ChannelPipeline pipeline) {
InetSocketAddress clientAddress = getFlag(BuiltinFlags.CLIENT_PROXIED_ADDRESS);
if (clientAddress == null) {
return;
if (clientAddress != null) {
pipeline.addFirst("proxy-protocol-packet-sender", new ChannelInboundHandlerAdapter() {
@Override
public void channelActive(@NonNull ChannelHandlerContext ctx) throws Exception {
HAProxyProxiedProtocol proxiedProtocol = clientAddress.getAddress() instanceof Inet4Address ? HAProxyProxiedProtocol.TCP4 : HAProxyProxiedProtocol.TCP6;
InetSocketAddress remoteAddress;
if (ctx.channel().remoteAddress() instanceof InetSocketAddress) {
remoteAddress = (InetSocketAddress) ctx.channel().remoteAddress();
} else {
remoteAddress = new InetSocketAddress(host, port);
}
ctx.channel().writeAndFlush(new HAProxyMessage(
HAProxyProtocolVersion.V2, HAProxyCommand.PROXY, proxiedProtocol,
clientAddress.getAddress().getHostAddress(), remoteAddress.getAddress().getHostAddress(),
clientAddress.getPort(), remoteAddress.getPort()
));
ctx.pipeline().remove(this);
ctx.pipeline().remove("proxy-protocol-encoder");
super.channelActive(ctx);
}
});
pipeline.addFirst("proxy-protocol-encoder", HAProxyMessageEncoder.INSTANCE);
}
}
channel.pipeline().addLast("proxy-protocol-encoder", HAProxyMessageEncoder.INSTANCE);
HAProxyProxiedProtocol proxiedProtocol = clientAddress.getAddress() instanceof Inet4Address ? HAProxyProxiedProtocol.TCP4 : HAProxyProxiedProtocol.TCP6;
InetSocketAddress remoteAddress = (InetSocketAddress) channel.remoteAddress();
channel.writeAndFlush(new HAProxyMessage(
HAProxyProtocolVersion.V2, HAProxyCommand.PROXY, proxiedProtocol,
clientAddress.getAddress().getHostAddress(), remoteAddress.getAddress().getHostAddress(),
clientAddress.getPort(), remoteAddress.getPort()
)).addListener(future -> channel.pipeline().remove("proxy-protocol-encoder"));
}
/**
* Should only be called when direct ByteBufs should be preferred. At this moment, this should only be called on BungeeCord.

2
gradle/libs.versions.toml
View file

@ -15,7 +15,7 @@ protocol-common = "3.0.0.Beta5-20240916.181041-6"
protocol-codec = "3.0.0.Beta5-20240916.181041-6"
raknet = "1.0.0.CR3-20240416.144209-1"
minecraftauth = "4.1.1"
mcprotocollib = "1.21-20241008.134549-23"
mcprotocollib = "1.21-20241010.155958-24"
adventure = "4.14.0"
adventure-platform = "4.3.0"
junit = "5.9.2"