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 02:20:16 +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 ca595abe940463a62da033c7082c868c4c4b28d8..6f43eec3490dd44d0f680977710f1d65dc6fc3b2 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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@@ -24,6 +24,8 @@ 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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+
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+import net.kyori.adventure.text.format.NamedTextColor;
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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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@@ -2782,6 +2784,17 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
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}
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if (packet.getClickType() != net.minecraft.world.inventory.ClickType.QUICK_CRAFT) {
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+ // Scissors start - Do not call events when the slot/button number is invalid
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+ if(packet.getSlotNum() > 45)
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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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if (click == ClickType.NUMBER_KEY) {
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event = new InventoryClickEvent(inventory, type, packet.getSlotNum(), click, action, packet.getButtonNum());
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} else {
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