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https://github.com/PaperMC/Paper.git
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42 lines
2.9 KiB
Diff
42 lines
2.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Shane Freeder <theboyetronic@gmail.com>
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Date: Sat, 12 Dec 2020 23:45:28 +0000
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Subject: [PATCH] Limit recipe packets
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diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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index a45078fc6a63742682040518e419fe0e2f704065..bca6e44c6a6584be2537d8be1279497b3394c447 100644
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--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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@@ -277,6 +277,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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private final TickThrottler chatSpamThrottler = new TickThrottler(20, 200);
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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
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private final TickThrottler dropSpamThrottler = new TickThrottler(20, 1480);
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+ private final TickThrottler recipeSpamPackets = new TickThrottler(io.papermc.paper.configuration.GlobalConfiguration.get().spamLimiter.recipeSpamIncrement, io.papermc.paper.configuration.GlobalConfiguration.get().spamLimiter.recipeSpamLimit);
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private double firstGoodX;
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private double firstGoodY;
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private double firstGoodZ;
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@@ -393,6 +394,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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this.keepConnectionAlive();
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this.chatSpamThrottler.tick();
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this.tabSpamThrottler.tick(); // Paper - configurable tab spam limits
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+ this.recipeSpamPackets.tick(); // Paper - auto recipe limit
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this.dropSpamThrottler.tick();
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if (this.player.getLastActionTime() > 0L && this.server.getPlayerIdleTimeout() > 0 && Util.getMillis() - this.player.getLastActionTime() > (long) this.server.getPlayerIdleTimeout() * 1000L * 60L) {
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this.player.resetLastActionTime(); // CraftBukkit - SPIGOT-854
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@@ -3091,6 +3093,14 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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@Override
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public void handlePlaceRecipe(ServerboundPlaceRecipePacket packet) {
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+ // Paper start - auto recipe limit
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+ if (!org.bukkit.Bukkit.isPrimaryThread()) {
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+ if (!this.recipeSpamPackets.isIncrementAndUnderThreshold()) {
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+ this.disconnect(net.minecraft.network.chat.Component.translatable("disconnect.spam"));
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+ return;
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+ }
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+ }
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+ // Paper end - auto recipe limit
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PacketUtils.ensureRunningOnSameThread(packet, this, this.player.serverLevel());
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this.player.resetLastActionTime();
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if (!this.player.isSpectator() && this.player.containerMenu.containerId == packet.containerId()) {
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