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Mirror von https://github.com/PaperMC/Paper.git synchronisiert 2024-12-16 11:30:06 +01:00
Paper/patches/server/0890-Add-slot-sanity-checks-in-container-clicks.patch

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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
2024-06-14 10:17:11 +02:00
index 122244a37872a21fe0df5f6ab8f4cad941b59479..9e57d0b1222b7dd4b9dd1d9f82b4c2f7fc7bcc3c 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
2024-06-14 10:17:11 +02:00
@@ -2987,6 +2987,12 @@ 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
2024-04-25 00:36:49 +02:00
index 85fb19177690ea7235c10f64789066599db08b05..428e454116804c27496cfbf796edd44780890d33 100644
--- a/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java
+++ b/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java
@@ -423,6 +423,7 @@ 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)) {
2023-12-06 21:11:00 +01:00
@@ -597,6 +598,7 @@ 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
2023-12-06 21:11:00 +01:00
ItemStack itemstack4 = playerinventory.getItem(button);
slot = (Slot) this.slots.get(slotIndex);