Files
Purpur/patches/server/0235-UPnP-Port-Forwarding.patch
BillyGalbreath 417a025211 Updated Upstream (Paper & Pufferfish)
Upstream has released updates that appear to apply and compile correctly

Paper Changes:
PaperMC/Paper@e4f5e1c Bump netty

Pufferfish Changes:
pufferfish-gg/Pufferfish@a8543a4 #33 Fix anti-xray related crash bug
pufferfish-gg/Pufferfish@aefcb1a Updated Upstream (Paper)
2022-06-12 22:59:25 -05:00

83 lines
4.2 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <Blake.Galbreath@GMail.com>
Date: Wed, 22 Jan 2020 20:13:40 -0600
Subject: [PATCH] UPnP Port Forwarding
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index db39fd89be32f2f3d4d38b8e633f50a40bdd0235..b728506e933461bec663d5187e7c71ee2ba2acc3 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -293,6 +293,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
public final io.papermc.paper.configuration.PaperConfigurations paperConfigurations;
public static long currentTickLong = 0L; // Paper
public boolean lagging = false; // Purpur
+ protected boolean upnp = false; // Purpur
public volatile Thread shutdownThread; // Paper
public volatile boolean abnormalExit = false; // Paper
@@ -928,6 +929,14 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
MinecraftServer.LOGGER.info("Stopping server");
MinecraftTimings.stopServer(); // Paper
+ // Purpur start
+ if (upnp) {
+ if (dev.omega24.upnp4j.UPnP4J.close(this.getPort(), dev.omega24.upnp4j.util.Protocol.TCP)) {
+ LOGGER.info("[UPnP] Port {} closed", this.getPort());
+ } else {
+ LOGGER.error("[UPnP] Failed to close port {}", this.getPort());
+ }
+ }
// CraftBukkit start
if (this.server != null) {
this.server.disablePlugins();
diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
index 3f7b8e62bb79d8618f962af4ea5dbec9fffcdf4d..0af9a13501b8fcf2e008c5afb98a91c62acdd560 100644
--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
@@ -283,6 +283,30 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
DedicatedServer.LOGGER.warn("Perhaps a server is already running on that port?");
return false;
}
+ // Purpur start
+ if (org.purpurmc.purpur.PurpurConfig.useUPnP) {
+ LOGGER.info("[UPnP] Attempting to start UPnP port forwarding service...");
+ if (dev.omega24.upnp4j.UPnP4J.isUPnPAvailable()) {
+ if (dev.omega24.upnp4j.UPnP4J.isOpen(this.getPort(), dev.omega24.upnp4j.util.Protocol.TCP)) {
+ this.upnp = false;
+ LOGGER.info("[UPnP] Port {} is already open", this.getPort());
+ } else if (dev.omega24.upnp4j.UPnP4J.open(this.getPort(), dev.omega24.upnp4j.util.Protocol.TCP)) {
+ this.upnp = true;
+ LOGGER.info("[UPnP] Successfully opened port {}", this.getPort());
+ } else {
+ this.upnp = false;
+ LOGGER.info("[UPnP] Failed to open port {}", this.getPort());
+ }
+
+ if (upnp) {
+ LOGGER.info("[UPnP] {}:{}", dev.omega24.upnp4j.UPnP4J.getExternalIP(), this.getPort());
+ }
+ } else {
+ this.upnp = false;
+ LOGGER.error("[UPnP] Service is unavailable");
+ }
+ }
+ // Purpur end
// CraftBukkit start
// this.setPlayerList(new DedicatedPlayerList(this, this.registryHolder, this.playerDataStorage)); // Spigot - moved up
diff --git a/src/main/java/org/purpurmc/purpur/PurpurConfig.java b/src/main/java/org/purpurmc/purpur/PurpurConfig.java
index edbda0b79ecce794254dc8e3e6e0847a20cf8fde..b4c7252e39a58312ed90e553a2a79a1ed768ce00 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurConfig.java
@@ -420,4 +420,9 @@ public class PurpurConfig {
private static void tpsCatchup() {
tpsCatchup = getBoolean("settings.tps-catchup", tpsCatchup);
}
+
+ public static boolean useUPnP = false;
+ private static void networkSettings() {
+ useUPnP = getBoolean("settings.network.upnp-port-forwarding", useUPnP);
+ }
}