Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-12-15 19:10:09 +01:00
89d51d5f29
Because this exploit has been widely known for years and has not been fixed by Mojang, we decided that it was worth allowing people to toggle it on/off due to how easy it is to make it configurable. It should be noted that this decision does not promise all future exploits will be configurable.
29 Zeilen
2.5 KiB
Diff
29 Zeilen
2.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jake Potrebic <jake.m.potrebic@gmail.com>
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Date: Mon, 1 Jan 2024 12:57:19 -0800
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Subject: [PATCH] Correctly check if bucket dispenses will succeed for event
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Upstream incorrectly checks if the bucket place will succeed
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in order to fire the BlockDispenseEvent. This patch corrects
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that.
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diff --git a/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java b/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java
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index 8c8d2e81f0866dc1441e181f2580852d87263bcc..c1c57f24ccfa7bd17541f53d02293db0bce8dc5c 100644
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--- a/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java
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+++ b/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java
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@@ -617,7 +617,13 @@ public interface DispenseItemBehavior {
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int y = blockposition.getY();
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int z = blockposition.getZ();
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BlockState iblockdata = worldserver.getBlockState(blockposition);
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- if (iblockdata.isAir() || iblockdata.canBeReplaced() || (dispensiblecontaineritem instanceof BucketItem && iblockdata.getBlock() instanceof LiquidBlockContainer && ((LiquidBlockContainer) iblockdata.getBlock()).canPlaceLiquid((Player) null, worldserver, blockposition, iblockdata, ((BucketItem) dispensiblecontaineritem).content))) {
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+ // Paper start - correctly check if the bucket place will succeed
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+ /* Taken from SolidBucketItem#emptyContents */
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+ boolean willEmptyContentsSolidBucketItem = dispensiblecontaineritem instanceof net.minecraft.world.item.SolidBucketItem && worldserver.isInWorldBounds(blockposition) && iblockdata.isAir();
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+ /* Taken from BucketItem#emptyContents */
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+ boolean willEmptyBucketItem = dispensiblecontaineritem instanceof final BucketItem bucketItem && bucketItem.content instanceof net.minecraft.world.level.material.FlowingFluid && (iblockdata.isAir() || iblockdata.canBeReplaced(bucketItem.content) || (iblockdata.getBlock() instanceof LiquidBlockContainer liquidBlockContainer && liquidBlockContainer.canPlaceLiquid(null, worldserver, blockposition, iblockdata, bucketItem.content)));
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+ if (willEmptyContentsSolidBucketItem || willEmptyBucketItem) {
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+ // Paper end - correctly check if the bucket place will succeed
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org.bukkit.block.Block block = CraftBlock.at(worldserver, pointer.pos());
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CraftItemStack craftItem = CraftItemStack.asCraftMirror(stack);
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