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Paper/Spigot-Server-Patches/0206-Call-PaperServerListPingEvent-for-legacy-pings.patch
Mariell a0b8b886c8
Updated Upstream (CraftBukkit/Spigot) (#4318)
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

CraftBukkit Changes:
d5a72960 SPIGOT-6063: ConsoleSender sending extra lines in Java 13+

Spigot Changes:
2740d5ae Rebuild patches
2020-09-12 15:57:21 -04:00

155 Zeilen
7.5 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Minecrell <minecrell@minecrell.net>
Date: Wed, 11 Oct 2017 19:30:51 +0200
Subject: [PATCH] Call PaperServerListPingEvent for legacy pings
diff --git a/src/main/java/com/destroystokyo/paper/network/PaperLegacyStatusClient.java b/src/main/java/com/destroystokyo/paper/network/PaperLegacyStatusClient.java
new file mode 100644
index 0000000000000000000000000000000000000000..74c012fd40491f1d870fbc1aa8c318a2197eb106
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/network/PaperLegacyStatusClient.java
@@ -0,0 +1,73 @@
+package com.destroystokyo.paper.network;
+
+import com.destroystokyo.paper.event.server.PaperServerListPingEvent;
+import net.minecraft.server.MinecraftServer;
+import org.apache.commons.lang3.StringUtils;
+import org.bukkit.ChatColor;
+
+import java.net.InetSocketAddress;
+
+import javax.annotation.Nullable;
+
+public final class PaperLegacyStatusClient implements StatusClient {
+
+ private final InetSocketAddress address;
+ private final int protocolVersion;
+ @Nullable private final InetSocketAddress virtualHost;
+
+ private PaperLegacyStatusClient(InetSocketAddress address, int protocolVersion, @Nullable InetSocketAddress virtualHost) {
+ this.address = address;
+ this.protocolVersion = protocolVersion;
+ this.virtualHost = virtualHost;
+ }
+
+ @Override
+ public InetSocketAddress getAddress() {
+ return this.address;
+ }
+
+ @Override
+ public int getProtocolVersion() {
+ return this.protocolVersion;
+ }
+
+ @Nullable
+ @Override
+ public InetSocketAddress getVirtualHost() {
+ return this.virtualHost;
+ }
+
+ @Override
+ public boolean isLegacy() {
+ return true;
+ }
+
+ public static PaperServerListPingEvent processRequest(MinecraftServer server,
+ InetSocketAddress address, int protocolVersion, @Nullable InetSocketAddress virtualHost) {
+
+ PaperServerListPingEvent event = new PaperServerListPingEventImpl(server,
+ new PaperLegacyStatusClient(address, protocolVersion, virtualHost), Byte.MAX_VALUE, null);
+ server.server.getPluginManager().callEvent(event);
+
+ if (event.isCancelled()) {
+ return null;
+ }
+
+ return event;
+ }
+
+ public static String getMotd(PaperServerListPingEvent event) {
+ return getFirstLine(event.getMotd());
+ }
+
+ public static String getUnformattedMotd(PaperServerListPingEvent event) {
+ // Strip color codes and all other occurrences of the color char (because it's used as delimiter)
+ return getFirstLine(StringUtils.remove(ChatColor.stripColor(event.getMotd()), ChatColor.COLOR_CHAR));
+ }
+
+ private static String getFirstLine(String s) {
+ int pos = s.indexOf('\n');
+ return pos >= 0 ? s.substring(0, pos) : s;
+ }
+
+}
diff --git a/src/main/java/net/minecraft/server/LegacyPingHandler.java b/src/main/java/net/minecraft/server/LegacyPingHandler.java
index 063efe9bbe3a95da91ef1e504033e29ccf3300af..4a49fe4cc600e2b70963302ddae0c4479849f3f5 100644
--- a/src/main/java/net/minecraft/server/LegacyPingHandler.java
+++ b/src/main/java/net/minecraft/server/LegacyPingHandler.java
@@ -1,5 +1,7 @@
package net.minecraft.server;
+import com.destroystokyo.paper.network.PaperLegacyStatusClient;
+
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelFutureListener;
@@ -45,12 +47,19 @@ public class LegacyPingHandler extends ChannelInboundHandlerAdapter {
MinecraftServer minecraftserver = this.b.d();
int i = bytebuf.readableBytes();
String s;
- org.bukkit.event.server.ServerListPingEvent event = org.bukkit.craftbukkit.event.CraftEventFactory.callServerListPingEvent(minecraftserver.server, inetsocketaddress.getAddress(), minecraftserver.getMotd(), minecraftserver.getPlayerCount(), minecraftserver.getMaxPlayers()); // CraftBukkit
+ //org.bukkit.event.server.ServerListPingEvent event = org.bukkit.craftbukkit.event.CraftEventFactory.callServerListPingEvent(minecraftserver.server, inetsocketaddress.getAddress(), minecraftserver.getMotd(), minecraftserver.getPlayerCount(), minecraftserver.getMaxPlayers()); // CraftBukkit // Paper
+ com.destroystokyo.paper.event.server.PaperServerListPingEvent event; // Paper
switch (i) {
case 0:
LegacyPingHandler.LOGGER.debug("Ping: (<1.3.x) from {}:{}", inetsocketaddress.getAddress(), inetsocketaddress.getPort());
- s = String.format("%s\u00a7%d\u00a7%d", event.getMotd(), event.getNumPlayers(), event.getMaxPlayers()); // CraftBukkit
+ // Paper start - Call PaperServerListPingEvent and use results
+ event = PaperLegacyStatusClient.processRequest(minecraftserver, inetsocketaddress, 39, null);
+ if (event == null) {
+ channelhandlercontext.close();
+ break;
+ }
+ s = String.format("%s\u00a7%d\u00a7%d", PaperLegacyStatusClient.getUnformattedMotd(event), event.getNumPlayers(), event.getMaxPlayers());
this.a(channelhandlercontext, this.a(s));
break;
case 1:
@@ -59,7 +68,14 @@ public class LegacyPingHandler extends ChannelInboundHandlerAdapter {
}
LegacyPingHandler.LOGGER.debug("Ping: (1.4-1.5.x) from {}:{}", inetsocketaddress.getAddress(), inetsocketaddress.getPort());
- s = String.format("\u00a71\u0000%d\u0000%s\u0000%s\u0000%d\u0000%d", 127, minecraftserver.getVersion(), event.getMotd(), event.getNumPlayers(), event.getMaxPlayers()); // CraftBukkit
+ // Paper start - Call PaperServerListPingEvent and use results
+ event = PaperLegacyStatusClient.processRequest(minecraftserver, inetsocketaddress, 127, null); // Paper
+ if (event == null) {
+ channelhandlercontext.close();
+ break;
+ }
+ s = String.format("\u00a71\u0000%d\u0000%s\u0000%s\u0000%d\u0000%d", new Object[] { event.getProtocolVersion(), minecraftserver.getVersion(), event.getMotd(), event.getNumPlayers(), event.getMaxPlayers()}); // CraftBukkit
+ // Paper end
this.a(channelhandlercontext, this.a(s));
break;
default:
@@ -169,8 +185,16 @@ public class LegacyPingHandler extends ChannelInboundHandlerAdapter {
LOGGER.debug("Ping: (1.6) from {}", ctx.channel().remoteAddress());
- String response = String.format("\u00a71\u0000%d\u0000%s\u0000%s\u0000%d\u0000%d",
- Byte.MAX_VALUE, server.getVersion(), server.getMotd(), server.getPlayerCount(), server.getMaxPlayers());
+ InetSocketAddress virtualHost = com.destroystokyo.paper.network.PaperNetworkClient.prepareVirtualHost(host, port);
+ com.destroystokyo.paper.event.server.PaperServerListPingEvent event = PaperLegacyStatusClient.processRequest(
+ server, (InetSocketAddress) ctx.channel().remoteAddress(), protocolVersion, virtualHost);
+ if (event == null) {
+ ctx.close();
+ return;
+ }
+
+ String response = String.format("\u00a71\u0000%d\u0000%s\u0000%s\u0000%d\u0000%d", event.getProtocolVersion(), event.getVersion(),
+ PaperLegacyStatusClient.getMotd(event), event.getNumPlayers(), event.getMaxPlayers());
this.a(ctx, this.a(response));
}