geforkt von Mirrors/Paper
dc684c60d1
The new behavior of disconnect to block the current thread until the disconnect succeeded is better than throwing it off to happen at some point
44 Zeilen
3.0 KiB
Diff
44 Zeilen
3.0 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Nassim Jahnke <nassim@njahnke.dev>
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Date: Mon, 11 Sep 2023 12:01:57 +1000
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Subject: [PATCH] Add slot sanity checks in container clicks
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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 5694afb14889187a4cfc342ccf497dd6ca867f0e..7e25d42a6ce16b5e8e17d03592a674734b85f540 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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@@ -2987,6 +2987,12 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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break;
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case SWAP:
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if ((packet.getButtonNum() >= 0 && packet.getButtonNum() < 9) || packet.getButtonNum() == 40) {
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+ // Paper start - Add slot sanity checks to container clicks
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+ if (packet.getSlotNum() < 0) {
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+ action = InventoryAction.NOTHING;
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+ break;
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+ }
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+ // Paper end - Add slot sanity checks to container clicks
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click = (packet.getButtonNum() == 40) ? ClickType.SWAP_OFFHAND : ClickType.NUMBER_KEY;
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Slot clickedSlot = this.player.containerMenu.getSlot(packet.getSlotNum());
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if (clickedSlot.mayPickup(this.player)) {
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diff --git a/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java b/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java
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index 85fb19177690ea7235c10f64789066599db08b05..428e454116804c27496cfbf796edd44780890d33 100644
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--- a/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java
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+++ b/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java
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@@ -423,6 +423,7 @@ public abstract class AbstractContainerMenu {
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this.resetQuickCraft();
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}
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} else if (this.quickcraftStatus == 1) {
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+ if (slotIndex < 0) return; // Paper - Add slot sanity checks to container clicks
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slot = (Slot) this.slots.get(slotIndex);
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itemstack = this.getCarried();
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if (AbstractContainerMenu.canItemQuickReplace(slot, itemstack, true) && slot.mayPlace(itemstack) && (this.quickcraftType == 2 || itemstack.getCount() > this.quickcraftSlots.size()) && this.canDragTo(slot)) {
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@@ -597,6 +598,7 @@ public abstract class AbstractContainerMenu {
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int j2;
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if (actionType == ClickType.SWAP && (button >= 0 && button < 9 || button == 40)) {
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+ if (slotIndex < 0) return; // Paper - Add slot sanity checks to container clicks
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ItemStack itemstack4 = playerinventory.getItem(button);
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slot = (Slot) this.slots.get(slotIndex);
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