PaperMC/patches/server/0896-Do-not-accept-invalid-client-settings.patch
Nassim Jahnke 385f313a8b
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#8092)
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:
d41796de SPIGOT-7071: Add Player#stopSound(SoundCategory category)
61dae5b2 SPIGOT-7011, SPIGOT-7065: Overhaul of structures

CraftBukkit Changes:
991aeda12 SPIGOT-1729, SPIGOT-7090: Keep precision in teleportation between worlds
5c9a5f628 SPIGOT-7071: Add Player#stopSound(SoundCategory category)
68f888ded SPIGOT-7011, SPIGOT-7065: Overhaul of structures
0231a3746 Remove outdated build delay.

Spigot Changes:
475f6008 Rebuild patches
8ce1761f Rebuild patches
2022-07-04 16:38:06 +02:00

24 lines
1.4 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Sat, 7 May 2022 14:58:53 -0700
Subject: [PATCH] Do not accept invalid client settings
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 736444c288421db84ae127d7b8cb746b6edc355f..a82f5516274c2e7b582d38c70cd116d23d0687c8 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -3354,6 +3354,13 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
@Override
public void handleClientInformation(ServerboundClientInformationPacket packet) {
PacketUtils.ensureRunningOnSameThread(packet, this, this.player.getLevel());
+ // Paper start - do not accept invalid information
+ if (packet.viewDistance() < 0) {
+ LOGGER.warn("Disconnecting " + this.player.getScoreboardName() + " for invalid view distance: " + packet.viewDistance());
+ this.disconnect("Invalid client settings", PlayerKickEvent.Cause.ILLEGAL_ACTION);
+ return;
+ }
+ // Paper end - do not accept invalid information
this.player.updateOptions(packet);
}