Paper/patches/server/0436-Limit-recipe-packets.patch
Spottedleaf da9d110d5b Remove chunk save reattempt patch
This patch does not appear to be doing anything useful, and may
hide errors.

Currently, the save logic does not run through this path either
so it did not do anything.

Additionally, properly implement support for handling
RegionFileSizeException in Moonrise.
2024-11-28 18:27:59 -08:00

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 fc06281b6d37d72a0a333343fc800bd388713a5f..f2c1893677004b1699beb16ebfcbe9816aad2a78 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -277,6 +277,7 @@ 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;
@@ -393,6 +394,7 @@ 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
@@ -3088,6 +3090,14 @@ 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()) {