HAProxy PROXY protocol support for downstream connections (#1688)

* Implement downstream PROXY protocol support

* Clarify the configuration version updating procedure

* Bump netty-resolver-dns to 4.1.56.Final

* Update Netty to .56

* Don't increase jar size by 2MB

Co-authored-by: Camotoy <20743703+Camotoy@users.noreply.github.com>
This commit is contained in:
Mark 2020-12-24 03:47:29 +02:00 committed by GitHub
parent dbfdae63f1
commit c67d91943c
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5 changed files with 32 additions and 5 deletions

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@ -124,14 +124,26 @@
<version>26201a4</version>
<scope>compile</scope>
<exclusions>
<exclusion>
<groupId>io.netty</groupId>
<artifactId>netty-all</artifactId>
</exclusion>
<exclusion>
<groupId>net.kyori</groupId>
<artifactId>adventure-text-serializer-gson</artifactId>
</exclusion>
<exclusion>
<groupId>com.github.steveice10</groupId>
<artifactId>packetlib</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>com.github.steveice10</groupId>
<artifactId>PacketLib</artifactId>
<version>54f761c</version>
<scope>compile</scope>
<exclusions>
<exclusion> <!-- Move this exclusion back to MCProtocolLib it gets the latest PacketLib -->
<groupId>io.netty</groupId>
<artifactId>netty-all</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>

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@ -34,7 +34,7 @@ import java.util.Map;
public interface GeyserConfiguration {
// Modify this when you update the config
// Modify this when you introduce breaking changes into the config
int CURRENT_CONFIG_VERSION = 4;
IBedrockConfiguration getBedrock();
@ -117,6 +117,8 @@ public interface GeyserConfiguration {
void setPort(int port);
String getAuthType();
boolean isUseProxyProtocol();
}
interface IUserAuthenticationInfo {

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@ -148,6 +148,9 @@ public abstract class GeyserJacksonConfiguration implements GeyserConfiguration
@Setter
@JsonProperty("auth-type")
private String authType = "online";
@JsonProperty("use-proxy-protocol")
private boolean useProxyProtocol = false;
}
@Getter

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@ -39,6 +39,7 @@ import com.github.steveice10.mc.protocol.packet.ingame.client.player.ClientPlaye
import com.github.steveice10.mc.protocol.packet.ingame.client.world.ClientTeleportConfirmPacket;
import com.github.steveice10.mc.protocol.packet.ingame.server.ServerRespawnPacket;
import com.github.steveice10.mc.protocol.packet.login.server.LoginSuccessPacket;
import com.github.steveice10.packetlib.BuiltinFlags;
import com.github.steveice10.packetlib.Client;
import com.github.steveice10.packetlib.event.session.*;
import com.github.steveice10.packetlib.packet.Packet;
@ -459,6 +460,10 @@ public class GeyserSession implements CommandSender {
}
downstream = new Client(remoteServer.getAddress(), remoteServer.getPort(), protocol, new TcpSessionFactory());
if (connector.getConfig().getRemote().isUseProxyProtocol()) {
downstream.getSession().setFlag(BuiltinFlags.ENABLE_CLIENT_PROXY_PROTOCOL, true);
downstream.getSession().setFlag(BuiltinFlags.CLIENT_PROXIED_ADDRESS, upstream.getAddress());
}
// Let Geyser handle sending the keep alive
downstream.getSession().setFlag(MinecraftConstants.AUTOMATIC_KEEP_ALIVE_MANAGEMENT, false);
downstream.getSession().addListener(new SessionAdapter() {

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@ -32,6 +32,11 @@ remote:
port: 25565
# Authentication type. Can be offline, online, or floodgate (see https://github.com/GeyserMC/Geyser/wiki/Floodgate).
auth-type: online
# Whether to enable PROXY protocol or not while connecting to the server.
# This is useful only when:
# 1) Your server supports PROXY protocol (it probably doesn't)
# 2) You run Velocity or BungeeCord with respective option enabled.
use-proxy-protocol: false
# Floodgate uses encryption to ensure use from authorised sources.
# This should point to the public key generated by Floodgate (Bungee or CraftBukkit)