Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-12-15 11:00:06 +01:00
0fb8bdf0e0
Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 14883d6b SPIGOT-6078: Add SmithItemEvent and expand SmithingInventory API CraftBukkit Changes: 115244c7 SPIGOT-6078: Add SmithItemEvent and expand SmithingInventory API
75 Zeilen
4.3 KiB
Diff
75 Zeilen
4.3 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/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
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index 7d50aded88f5b7dfebaea1aebc86231f7b5c4e25..652d87fc5d566dba8018c81676329f0e0bca471b 100644
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--- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
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+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
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@@ -334,6 +334,13 @@ public class PaperConfig {
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tabSpamLimit = getInt("settings.spam-limiter.tab-spam-limit", tabSpamLimit);
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}
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+ public static int autoRecipeIncrement = 1;
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+ public static int autoRecipeLimit = 20;
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+ private static void autoRecipieLimiters() {
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+ autoRecipeIncrement = getInt("settings.spam-limiter.recipe-spam-increment", autoRecipeIncrement);
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+ autoRecipeLimit = getInt("settings.spam-limiter.recipe-spam-limit", autoRecipeLimit);
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+ }
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+
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public static boolean velocitySupport;
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public static boolean velocityOnlineMode;
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public static byte[] velocitySecretKey;
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diff --git a/src/main/java/net/minecraft/server/network/PlayerConnection.java b/src/main/java/net/minecraft/server/network/PlayerConnection.java
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index d00c17210b3c0aff40b37ff11f8e9dc6ae1ba948..79c0ef65f3a1d28de73afb3f1891cfc1a0a3dd90 100644
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--- a/src/main/java/net/minecraft/server/network/PlayerConnection.java
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+++ b/src/main/java/net/minecraft/server/network/PlayerConnection.java
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@@ -1,5 +1,6 @@
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package net.minecraft.server.network;
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+import com.destroystokyo.paper.PaperConfig;
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import com.google.common.collect.Lists;
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import com.google.common.primitives.Doubles;
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import com.google.common.primitives.Floats;
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@@ -176,6 +177,7 @@ import net.minecraft.world.inventory.InventoryClickType;
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import net.minecraft.world.item.crafting.IRecipe;
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import net.minecraft.world.level.RayTrace;
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import net.minecraft.world.phys.MovingObjectPosition;
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+import org.bukkit.Bukkit; // Paper
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import org.bukkit.Location;
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import org.bukkit.craftbukkit.entity.CraftPlayer;
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import org.bukkit.craftbukkit.event.CraftEventFactory;
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@@ -234,6 +236,7 @@ public class PlayerConnection implements PacketListenerPlayIn {
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private volatile int chatThrottle;
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private static final AtomicIntegerFieldUpdater chatSpamField = AtomicIntegerFieldUpdater.newUpdater(PlayerConnection.class, "chatThrottle");
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private final java.util.concurrent.atomic.AtomicInteger tabSpamLimiter = new java.util.concurrent.atomic.AtomicInteger(); // Paper - configurable tab spam limits
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+ private final java.util.concurrent.atomic.AtomicInteger recipeSpamPackets = new java.util.concurrent.atomic.AtomicInteger(); // Paper - auto recipe limit
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// CraftBukkit end
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private int j;
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private final Int2ShortMap k = new Int2ShortOpenHashMap();
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@@ -382,6 +385,7 @@ public class PlayerConnection implements PacketListenerPlayIn {
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// CraftBukkit start
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for (int spam; (spam = this.chatThrottle) > 0 && !chatSpamField.compareAndSet(this, spam, spam - 1); ) ;
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if (tabSpamLimiter.get() > 0) tabSpamLimiter.getAndDecrement(); // Paper - split to seperate variable
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+ if (recipeSpamPackets.get() > 0) recipeSpamPackets.getAndDecrement(); // Paper
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/* Use thread-safe field access instead
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if (this.chatThrottle > 0) {
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--this.chatThrottle;
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@@ -2787,6 +2791,14 @@ public class PlayerConnection implements PacketListenerPlayIn {
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@Override
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public void a(PacketPlayInAutoRecipe packetplayinautorecipe) {
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+ // Paper start
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+ if (!Bukkit.isPrimaryThread()) {
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+ if (recipeSpamPackets.addAndGet(PaperConfig.autoRecipeIncrement) > PaperConfig.autoRecipeLimit) {
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+ minecraftServer.scheduleOnMain(() -> this.disconnect(new ChatMessage("disconnect.spam", new Object[0]))); // Paper
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+ return;
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+ }
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+ }
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+ // Paper end
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PlayerConnectionUtils.ensureMainThread(packetplayinautorecipe, this, this.player.getWorldServer());
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this.player.resetIdleTimer();
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if (!this.player.isSpectator() && this.player.activeContainer.windowId == packetplayinautorecipe.b() && this.player.activeContainer.c(this.player) && this.player.activeContainer instanceof ContainerRecipeBook) {
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