Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-12-15 02:50:09 +01:00
25 Zeilen
1.4 KiB
Diff
25 Zeilen
1.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Sat, 7 May 2022 14:58:53 -0700
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Subject: [PATCH] Do not accept invalid client settings
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diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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index 1743444a48cacfad2326c8d21974e763ea332914..42bb941af5eac6e4a4d79a59be9e1ac56468c4b4 100644
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--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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@@ -3466,6 +3466,13 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
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@Override
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public void handleClientInformation(ServerboundClientInformationPacket packet) {
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PacketUtils.ensureRunningOnSameThread(packet, this, this.player.serverLevel());
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+ // Paper start - do not accept invalid information
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+ if (packet.viewDistance() < 0) {
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+ LOGGER.warn("Disconnecting " + this.player.getScoreboardName() + " for invalid view distance: " + packet.viewDistance());
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+ this.disconnect("Invalid client settings", PlayerKickEvent.Cause.ILLEGAL_ACTION);
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+ return;
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+ }
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+ // Paper end - do not accept invalid information
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this.player.updateOptions(packet);
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}
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