Paper/patches/server/0435-Limit-recipe-packets.patch
2024-12-03 20:00:08 +01:00

42 lines
2.9 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Sat, 12 Dec 2020 23:45:28 +0000
Subject: [PATCH] Limit recipe packets
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 8be41f7ea383a27331109813e04d807f38bf6736..bf4b64f07f21d816eb866d23b290c2f5e5471c70 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -279,6 +279,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
private final TickThrottler chatSpamThrottler = new TickThrottler(20, 200);
private final TickThrottler tabSpamThrottler = new TickThrottler(io.papermc.paper.configuration.GlobalConfiguration.get().spamLimiter.tabSpamIncrement, io.papermc.paper.configuration.GlobalConfiguration.get().spamLimiter.tabSpamLimit); // Paper - configurable tab spam limits
private final TickThrottler dropSpamThrottler = new TickThrottler(20, 1480);
+ private final TickThrottler recipeSpamPackets = new TickThrottler(io.papermc.paper.configuration.GlobalConfiguration.get().spamLimiter.recipeSpamIncrement, io.papermc.paper.configuration.GlobalConfiguration.get().spamLimiter.recipeSpamLimit);
private double firstGoodX;
private double firstGoodY;
private double firstGoodZ;
@@ -395,6 +396,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
this.keepConnectionAlive();
this.chatSpamThrottler.tick();
this.tabSpamThrottler.tick(); // Paper - configurable tab spam limits
+ this.recipeSpamPackets.tick(); // Paper - auto recipe limit
this.dropSpamThrottler.tick();
if (this.player.getLastActionTime() > 0L && this.server.getPlayerIdleTimeout() > 0 && Util.getMillis() - this.player.getLastActionTime() > (long) this.server.getPlayerIdleTimeout() * 1000L * 60L) {
this.player.resetLastActionTime(); // CraftBukkit - SPIGOT-854
@@ -3155,6 +3157,14 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
@Override
public void handlePlaceRecipe(ServerboundPlaceRecipePacket packet) {
+ // Paper start - auto recipe limit
+ if (!org.bukkit.Bukkit.isPrimaryThread()) {
+ if (!this.recipeSpamPackets.isIncrementAndUnderThreshold()) {
+ this.disconnect(net.minecraft.network.chat.Component.translatable("disconnect.spam"));
+ return;
+ }
+ }
+ // Paper end - auto recipe limit
PacketUtils.ensureRunningOnSameThread(packet, this, this.player.serverLevel());
this.player.resetLastActionTime();
if (!this.player.isSpectator() && this.player.containerMenu.containerId == packet.containerId()) {