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This commit is contained in:
Nassim Jahnke
2024-12-03 19:21:12 +01:00
parent 529f01a04a
commit 3af13e34fb
192 changed files with 61 additions and 81 deletions
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patches/server/Do-not-accept-invalid-client-settings.patch Normal file
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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 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -0,0 +0,0 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
@Override
public void handleClientInformation(ServerboundClientInformationPacket packet) {
PacketUtils.ensureRunningOnSameThread(packet, this, this.player.serverLevel());
+ // Paper start - do not accept invalid information
+ if (packet.information().viewDistance() < 0) {
+ LOGGER.warn("Disconnecting " + this.player.getScoreboardName() + " for invalid view distance: " + packet.information().viewDistance());
+ this.disconnect(Component.literal("Invalid client settings"), org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_ACTION);
+ return;
+ }
+ // Paper end - do not accept invalid information
boolean flag = this.player.isModelPartShown(PlayerModelPart.HAT);
this.player.updateOptions(packet.information());