38 lines
1.9 KiB
Diff
38 lines
1.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Allink <arclicious@vivaldi.net>
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Date: Sun, 10 Jul 2022 02:55:01 +0100
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Subject: [PATCH] Prevent invalid container events
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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 30339009c126fca8393ceed3c780c097b6c06ffd..bb5120b65e7394c134b69fbde8e880298397076b 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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@@ -30,6 +30,7 @@ import java.util.function.UnaryOperator;
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import java.util.stream.Collectors;
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import java.util.stream.Stream;
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import javax.annotation.Nullable;
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+import net.kyori.adventure.text.format.NamedTextColor; // Scissors
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import net.minecraft.ChatFormatting;
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import net.minecraft.CrashReport;
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import net.minecraft.CrashReportCategory;
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@@ -3114,6 +3115,18 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
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return;
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}
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+ // Scissors start - Do not call events when the slot/button number is invalid
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+ final int sentSlotNum = packet.getSlotNum();
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+ if((Mth.clamp(sentSlotNum, -1, this.player.containerMenu.slots.size() - 1) != sentSlotNum) && sentSlotNum != -999)
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+ {
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+ this.getCraftPlayer().kick(
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+ net.kyori.adventure.text.Component.text("Invalid container click slot (Hacking?)")
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+ .color(NamedTextColor.RED)
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+ );
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+ return;
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+ }
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+ // Scissors end
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+
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InventoryView inventory = this.player.containerMenu.getBukkitView();
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SlotType type = inventory.getSlotType(packet.getSlotNum());
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