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Improve invalid container event patch (#37)
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@ -5,7 +5,7 @@ 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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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 b0bd0412010320cc624535d6abffe417a135a4dc..e8157a809ed2b018dfd155e8bc712a8c73aa79e6 100644
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index b0bd0412010320cc624535d6abffe417a135a4dc..0d8d28a324b4bf093d7318be71eb67bb0dad9429 100644
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--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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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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+++ 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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@@ -24,6 +24,8 @@ import java.util.function.UnaryOperator;
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@ -17,12 +17,14 @@ index b0bd0412010320cc624535d6abffe417a135a4dc..e8157a809ed2b018dfd155e8bc712a8c
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import net.minecraft.ChatFormatting;
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import net.minecraft.ChatFormatting;
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import net.minecraft.CrashReport;
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import net.minecraft.CrashReport;
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import net.minecraft.CrashReportCategory;
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import net.minecraft.CrashReportCategory;
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@@ -2836,6 +2838,17 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
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@@ -2642,6 +2644,19 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
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}
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public void handleContainerClick(ServerboundContainerClickPacket packet) {
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PacketUtils.ensureRunningOnSameThread(packet, this, this.player.getLevel());
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if (packet.getClickType() != net.minecraft.world.inventory.ClickType.QUICK_CRAFT) {
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if (this.player.isImmobile()) return; // CraftBukkit
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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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+ // 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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+ final int sentSlotNum = packet.getSlotNum();
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+ if(Mth.clamp(sentSlotNum, 0, 45) != sentSlotNum)
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+ {
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+ {
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+ this.getCraftPlayer().kick(
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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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+ net.kyori.adventure.text.Component.text("Invalid container click slot (Hacking?)")
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@ -32,6 +34,6 @@ index b0bd0412010320cc624535d6abffe417a135a4dc..e8157a809ed2b018dfd155e8bc712a8c
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+ }
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+ }
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+ // Scissors end
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+ // Scissors end
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+
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+
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if (click == ClickType.NUMBER_KEY) {
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this.player.resetLastActionTime();
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event = new InventoryClickEvent(inventory, type, packet.getSlotNum(), click, action, packet.getButtonNum());
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if (this.player.containerMenu.containerId == packet.getContainerId() && this.player.containerMenu.stillValid(this.player)) { // CraftBukkit
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} else {
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boolean cancelled = this.player.isSpectator(); // CraftBukkit - see below if
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