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27 lines
1.4 KiB
Diff
27 lines
1.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: strnq <dev@aruus.uk>
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Date: Sat, 14 Sep 2024 12:53:13 +0300
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Subject: [PATCH] Validate slot in PlayerInventory#setSlot
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The CraftPlayerInventory implementation sends a container_set_slot
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packet to the client which will error if an invalid slot is passed to
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the setSlot method, making a validation necessary over simply silently
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ignoring invalid slot values.
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diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftInventoryPlayer.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftInventoryPlayer.java
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index eafa54c870c3e2aef30c3f9f96f516607a7cae24..8dea4321e41080829b474ad7b5a12c6a622181fd 100644
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--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftInventoryPlayer.java
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+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftInventoryPlayer.java
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@@ -70,6 +70,11 @@ public class CraftInventoryPlayer extends CraftInventory implements org.bukkit.i
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@Override
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public void setItem(int index, ItemStack item) {
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+ // Paper start - Validate setItem index
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+ if (index < 0 || index > 40) {
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+ throw new ArrayIndexOutOfBoundsException("Index must be between 0 and 40");
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+ }
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+ // Paper end - Validate setItem index
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super.setItem(index, item);
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if (this.getHolder() == null) return;
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ServerPlayer player = ((CraftPlayer) this.getHolder()).getHandle();
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