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ab347c4c96
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 Bukkit Changes: 42d5a714 SPIGOT-5899: Hoglins API similar to Piglins 2c1ee10e SPIGOT-5887: ClickType doesn't include off hand swaps 5ff7c7ce SPIGOT-5886: Missing BlockData CraftBukkit Changes:7560f5f5SPIGOT-5905: Fix hex colours not being allowed in MOTDd47c47eeSPIGOT-5889: Villager using composter should call EntityChangeBlockEvent2fe6b4a3SPIGOT-5899: Hoglins API similar to Piglinse09dbecaSPIGOT-5887: ClickType doesn't include off hand swaps23aac2a5SPIGOT-5903: EntityDismountEvent cannot be triggered asynchronously92cbf656SPIGOT-5884: Tab completions lost on reloadData / minecraft:reloadfb4e54adSPIGOT-5902: PlayerRespawnEvent places player at spawn before event is calledaa8f3d5aSPIGOT-5901: Structures are generated in all worlds based on the setting for the main worlda0c35937SPIGOT-5895: PlayerChangedWorldEvent#getFrom is incorrect89c0a5c3SPIGOT-5886: Missing BlockData Spigot Changes: 0287a20d SPIGOT-5903: EntityDismountEvent cannot be triggered asynchronously
75 lines
4.6 KiB
Diff
75 lines
4.6 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: Sun, 29 Jul 2018 05:02:15 +0100
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Subject: [PATCH] Break up and make tab spam limits configurable
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Due to the changes in 1.13, clients will send a tab completion request
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for all bukkit commands in order to factor in the lack of support for
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brigadier and provide backwards support in the API.
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Craftbukkit, however; has moved the chat spam limiter to also interact
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with the tab completion request, which while good for avoiding abuse,
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causes 1.13 clients to easilly be kicked from a server in bukkit due
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to this. Removing the spam limit could cause issues for servers, however,
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there is no way for servers to manipulate this without blindly cancelling
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kick events, which only causes additional complications. This also causes
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issues in that the tab spam limit and chat share the same field but different
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limits, meaning that a player having typed a long command may be kicked from
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the server.
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Splitting the field up and making it configurable allows for server owners
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to take the burden of this into their own hand without having to rely on
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plugins doing unsafe things.
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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 c8a7d8092a2849b62a8d83d7970756fd76100025..2e5c71d6b7d120a308076d95a3d5b73c5aca8bc9 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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@@ -288,4 +288,18 @@ public class PaperConfig {
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Bukkit.getLogger().log(Level.INFO, "Using Aikar's Alternative Luck Formula to apply Luck attribute to all loot pool calculations. See https://luckformula.emc.gs");
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}
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}
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+
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+ public static int tabSpamIncrement = 1;
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+ public static int tabSpamLimit = 500;
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+ private static void tabSpamLimiters() {
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+ tabSpamIncrement = getInt("settings.spam-limiter.tab-spam-increment", tabSpamIncrement);
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+ // Older versions used a smaller limit, which is too low for 1.13, we'll bump this up if default
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+ if (version < 14) {
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+ if (tabSpamIncrement == 10) {
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+ set("settings.spam-limiter.tab-spam-increment", 2);
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+ tabSpamIncrement = 2;
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+ }
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+ }
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+ tabSpamLimit = getInt("settings.spam-limiter.tab-spam-limit", tabSpamLimit);
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+ }
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}
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diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
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index e3391017b3dcfbfc942b84118391928a6a5b807c..351cb9643b05e83f97a7976979346325e76f44da 100644
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--- a/src/main/java/net/minecraft/server/PlayerConnection.java
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+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
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@@ -76,6 +76,7 @@ public class PlayerConnection implements PacketListenerPlayIn {
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// CraftBukkit start - multithreaded fields
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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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// CraftBukkit end
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private int j;
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private final Int2ShortMap k = new Int2ShortOpenHashMap();
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@@ -206,6 +207,7 @@ public class PlayerConnection implements PacketListenerPlayIn {
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this.minecraftServer.getMethodProfiler().exit();
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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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/* Use thread-safe field access instead
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if (this.chatThrottle > 0) {
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--this.chatThrottle;
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@@ -529,7 +531,7 @@ public class PlayerConnection implements PacketListenerPlayIn {
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public void a(PacketPlayInTabComplete packetplayintabcomplete) {
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// PlayerConnectionUtils.ensureMainThread(packetplayintabcomplete, this, this.player.getWorldServer()); // Paper - run this async
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// CraftBukkit start
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- if (chatSpamField.addAndGet(this, 1) > 500 && !this.minecraftServer.getPlayerList().isOp(this.player.getProfile())) {
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+ if (tabSpamLimiter.addAndGet(com.destroystokyo.paper.PaperConfig.tabSpamIncrement) > com.destroystokyo.paper.PaperConfig.tabSpamLimit && !this.minecraftServer.getPlayerList().isOp(this.player.getProfile())) { // Paper start - split and make configurable
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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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