PaperMC/patches/server/0867-Add-slot-sanity-checks-in-container-clicks.patch
Spottedleaf da9d110d5b Remove chunk save reattempt patch
This patch does not appear to be doing anything useful, and may
hide errors.

Currently, the save logic does not run through this path either
so it did not do anything.

Additionally, properly implement support for handling
RegionFileSizeException in Moonrise.
2024-11-28 18:27:59 -08:00

43 lines
3 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Nassim Jahnke <nassim@njahnke.dev>
Date: Mon, 11 Sep 2023 12:01:57 +1000
Subject: [PATCH] Add slot sanity checks in container clicks
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 5be7304c8417e2987837d1c6ce8b80231fd29c51..1ef521e4552f8ce48f620d8932d5e9356b14ae57 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -3009,6 +3009,12 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
break;
case SWAP:
if ((packet.getButtonNum() >= 0 && packet.getButtonNum() < 9) || packet.getButtonNum() == 40) {
+ // Paper start - Add slot sanity checks to container clicks
+ if (packet.getSlotNum() < 0) {
+ action = InventoryAction.NOTHING;
+ break;
+ }
+ // Paper end - Add slot sanity checks to container clicks
click = (packet.getButtonNum() == 40) ? ClickType.SWAP_OFFHAND : ClickType.NUMBER_KEY;
Slot clickedSlot = this.player.containerMenu.getSlot(packet.getSlotNum());
if (clickedSlot.mayPickup(this.player)) {
diff --git a/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java b/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java
index fc23e2dc42e907d5f8dc134a06102cc3e7fde515..22dc1569aabe69f139d9682ceb81311993706cb8 100644
--- a/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java
+++ b/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java
@@ -460,6 +460,7 @@ public abstract class AbstractContainerMenu {
this.resetQuickCraft();
}
} else if (this.quickcraftStatus == 1) {
+ if (slotIndex < 0) return; // Paper - Add slot sanity checks to container clicks
slot = (Slot) this.slots.get(slotIndex);
itemstack = this.getCarried();
if (AbstractContainerMenu.canItemQuickReplace(slot, itemstack, true) && slot.mayPlace(itemstack) && (this.quickcraftType == 2 || itemstack.getCount() > this.quickcraftSlots.size()) && this.canDragTo(slot)) {
@@ -634,6 +635,7 @@ public abstract class AbstractContainerMenu {
int j2;
if (actionType == ClickType.SWAP && (button >= 0 && button < 9 || button == 40)) {
+ if (slotIndex < 0) return; // Paper - Add slot sanity checks to container clicks
ItemStack itemstack4 = playerinventory.getItem(button);
slot = (Slot) this.slots.get(slotIndex);