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Paper-Old/patches/server/0239-Break-up-and-make-tab-spam-limits-configurable.patch
Nassim Jahnke 26734e83b0
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#7454)
* Updated Upstream (Bukkit/CraftBukkit/Spigot)

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:
8085edde SPIGOT-6918: Add SpawnCategory API and configurations for Axolotls
04c7e13c PR-719: Add Player Profile API
71564210 SPIGOT-6910: Add BlockDamageAbortEvent

CraftBukkit Changes:
febaa1c6 SPIGOT-6918: Add SpawnCategory API and configurations for Axolotls
9dafd109 Don't send updates over large distances
bdac46b0 SPIGOT-6782: EntityPortalEvent should not destroy entity when setTo() uses same world as getFrom()
8f361ece PR-1002: Add Player Profile API
911875d4 Increase outdated build delay
e5f8a767 SPIGOT-6917: Use main scoreboard for /trigger
a672a531 Clean up callBlockDamageEvent
8e1bdeef SPIGOT-6910: Add BlockDamageAbortEvent

Spigot Changes:
6edb62f3 Rebuild patches
7fbc6a1e Rebuild patches

* Updated Upstream (CraftBukkit)

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

CraftBukkit Changes:
de951355 SPIGOT-6927: Fix default value of spawn-limits in Worlds
2022-02-12 14:20:33 +01:00

76 Zeilen
4.7 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Sun, 29 Jul 2018 05:02:15 +0100
Subject: [PATCH] Break up and make tab spam limits configurable
Due to the changes in 1.13, clients will send a tab completion request
for all bukkit commands in order to factor in the lack of support for
brigadier and provide backwards support in the API.
Craftbukkit, however; has moved the chat spam limiter to also interact
with the tab completion request, which while good for avoiding abuse,
causes 1.13 clients to easilly be kicked from a server in bukkit due
to this. Removing the spam limit could cause issues for servers, however,
there is no way for servers to manipulate this without blindly cancelling
kick events, which only causes additional complications. This also causes
issues in that the tab spam limit and chat share the same field but different
limits, meaning that a player having typed a long command may be kicked from
the server.
Splitting the field up and making it configurable allows for server owners
to take the burden of this into their own hand without having to rely on
plugins doing unsafe things.
diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
index 915e2c5b0ffbd0d459a203e1bfb131be4c5476d4..00dd9dab2b19f3e49f3b41c20eb96a84bfae1769 100644
--- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
@@ -318,4 +318,18 @@ public class PaperConfig {
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");
}
}
+
+ public static int tabSpamIncrement = 1;
+ public static int tabSpamLimit = 500;
+ private static void tabSpamLimiters() {
+ tabSpamIncrement = getInt("settings.spam-limiter.tab-spam-increment", tabSpamIncrement);
+ // Older versions used a smaller limit, which is too low for 1.13, we'll bump this up if default
+ if (version < 14) {
+ if (tabSpamIncrement == 10) {
+ set("settings.spam-limiter.tab-spam-increment", 2);
+ tabSpamIncrement = 2;
+ }
+ }
+ tabSpamLimit = getInt("settings.spam-limiter.tab-spam-limit", tabSpamLimit);
+ }
}
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index cca7ce86c619527c5ec920e68e308af46878fd8e..c0f558d3c6f3b4b01e56d453ab136cf2357f2463 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -226,6 +226,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
private long keepAliveChallenge;
// CraftBukkit start - multithreaded fields
private final AtomicInteger chatSpamTickCount = new AtomicInteger();
+ private final java.util.concurrent.atomic.AtomicInteger tabSpamLimiter = new java.util.concurrent.atomic.AtomicInteger(); // Paper - configurable tab spam limits
// CraftBukkit end
private int dropSpamTickCount;
private double firstGoodX;
@@ -357,6 +358,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
this.server.getProfiler().pop();
// CraftBukkit start
for (int spam; (spam = this.chatSpamTickCount.get()) > 0 && !this.chatSpamTickCount.compareAndSet(spam, spam - 1); ) ;
+ if (tabSpamLimiter.get() > 0) tabSpamLimiter.getAndDecrement(); // Paper - split to seperate variable
/* Use thread-safe field access instead
if (this.chatSpamTickCount > 0) {
--this.chatSpamTickCount;
@@ -703,7 +705,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
public void handleCustomCommandSuggestions(ServerboundCommandSuggestionPacket packet) {
// PlayerConnectionUtils.ensureMainThread(packetplayintabcomplete, this, this.player.getWorldServer()); // Paper - run this async
// CraftBukkit start
- if (this.chatSpamTickCount.addAndGet(1) > 500 && !this.server.getPlayerList().isOp(this.player.getGameProfile())) {
+ if (this.chatSpamTickCount.addAndGet(com.destroystokyo.paper.PaperConfig.tabSpamIncrement) > com.destroystokyo.paper.PaperConfig.tabSpamLimit && !this.server.getPlayerList().isOp(this.player.getGameProfile())) { // Paper start - split and make configurable
server.scheduleOnMain(() -> this.disconnect(new TranslatableComponent("disconnect.spam", new Object[0]))); // Paper
return;
}