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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.
57 lines
2.5 KiB
Diff
57 lines
2.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: dfsek <dfsek@protonmail.com>
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Date: Sat, 19 Jun 2021 20:15:59 -0700
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Subject: [PATCH] Add more LimitedRegion API
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diff --git a/src/main/java/org/bukkit/craftbukkit/generator/CraftLimitedRegion.java b/src/main/java/org/bukkit/craftbukkit/generator/CraftLimitedRegion.java
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index 50667138028ef6ae273ccbc351916e98ab5645ca..423a853192c87eb81b79cb6f17866c4665cc1655 100644
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--- a/src/main/java/org/bukkit/craftbukkit/generator/CraftLimitedRegion.java
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+++ b/src/main/java/org/bukkit/craftbukkit/generator/CraftLimitedRegion.java
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@@ -254,4 +254,45 @@ public class CraftLimitedRegion extends CraftRegionAccessor implements LimitedRe
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public void addEntityWithPassengers(net.minecraft.world.entity.Entity entity, CreatureSpawnEvent.SpawnReason reason) {
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this.entities.add(entity);
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}
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+
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+ // Paper start - Add more LimitedRegion API
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+ @Override
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+ public void setBlockState(int x, int y, int z, BlockState state) {
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+ BlockPos pos = new BlockPos(x, y, z);
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+ if (!state.getBlockData().matches(getHandle().getBlockState(pos).createCraftBlockData())) {
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+ throw new IllegalArgumentException("BlockData does not match! Expected " + state.getBlockData().getAsString(false) + ", got " + getHandle().getBlockState(pos).createCraftBlockData().getAsString(false));
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+ }
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+ getHandle().getBlockEntity(pos).load(((org.bukkit.craftbukkit.block.CraftBlockEntityState<?>) state).getSnapshotNBT());
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+ }
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+
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+ @Override
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+ public void scheduleBlockUpdate(int x, int y, int z) {
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+ BlockPos position = new BlockPos(x, y, z);
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+ getHandle().scheduleTick(position, getHandle().getBlockState(position).getBlock(), 0);
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+ }
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+
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+ @Override
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+ public void scheduleFluidUpdate(int x, int y, int z) {
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+ BlockPos position = new BlockPos(x, y, z);
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+ getHandle().scheduleTick(position, getHandle().getFluidState(position).getType(), 0);
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+ }
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+
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+ @Override
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+ public World getWorld() {
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+ // reading/writing the returned Minecraft world causes a deadlock.
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+ // By implementing this, and covering it in warnings, we're assuming people won't be stupid, and
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+ // if they are stupid, they'll figure it out pretty fast.
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+ return getHandle().getMinecraftWorld().getWorld();
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+ }
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+
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+ @Override
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+ public int getCenterChunkX() {
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+ return centerChunkX;
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+ }
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+
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+ @Override
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+ public int getCenterChunkZ() {
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+ return centerChunkZ;
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+ }
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+ // Paper end - Add more LimitedRegion API
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}
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