Paper/Spigot-Server-Patches/0148-Filter-bad-data-from-ArmorStand-and-SpawnEgg-items.patch
Aikar 4f7a858bd6
Merge pull request #1248
c2d29a73 PlayerElytraBoostEvent (BillyGalbreath)

* pull/1248/head:
  PlayerElytraBoostEvent

Also merged paper config into parent
2018-07-23 20:29:55 -04:00

55 lines
2.5 KiB
Diff

From 4134a60719294c89762a82aa1ed2141094d07b7a Mon Sep 17 00:00:00 2001
From: Zach Brown <zach.brown@destroystokyo.com>
Date: Sat, 12 Nov 2016 23:25:22 -0600
Subject: [PATCH] Filter bad data from ArmorStand and SpawnEgg items
diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index 4d0f2051a..872001d04 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -3,6 +3,7 @@ package com.destroystokyo.paper;
import java.util.List;
import net.minecraft.server.MinecraftServer;
+import org.bukkit.Bukkit;
import org.bukkit.configuration.file.YamlConfiguration;
import org.spigotmc.SpigotWorldConfig;
@@ -325,4 +326,12 @@ public class PaperWorldConfig {
private void removeCorruptTEs() {
removeCorruptTEs = getBoolean("remove-corrupt-tile-entities", false);
}
+
+ public boolean filterNBTFromSpawnEgg = true;
+ private void fitlerNBTFromSpawnEgg() {
+ filterNBTFromSpawnEgg = getBoolean("filter-nbt-data-from-spawn-eggs-and-related", true);
+ if (!filterNBTFromSpawnEgg) {
+ Bukkit.getLogger().warning("Spawn Egg and Armor Stand NBT filtering disabled, this is a potential security risk");
+ }
+ }
}
diff --git a/src/main/java/net/minecraft/server/EntityFallingBlock.java b/src/main/java/net/minecraft/server/EntityFallingBlock.java
index 33bc46b05..4e1b74ebe 100644
--- a/src/main/java/net/minecraft/server/EntityFallingBlock.java
+++ b/src/main/java/net/minecraft/server/EntityFallingBlock.java
@@ -228,6 +228,15 @@ public class EntityFallingBlock extends Entity {
protected void a(NBTTagCompound nbttagcompound) {
this.block = GameProfileSerializer.d(nbttagcompound.getCompound("BlockState"));
+
+ // Paper start - Block FallingBlocks with Command Blocks
+ // Check mappings on update - dc = "repeating_command_block" - dd = "chain_command_block"
+ final Block b = this.block.getBlock();
+ if (this.world.paperConfig.filterNBTFromSpawnEgg && (b == Blocks.COMMAND_BLOCK || b == Blocks.REPEATING_COMMAND_BLOCK || b == Blocks.CHAIN_COMMAND_BLOCK)) {
+ this.block = Blocks.STONE.getBlockData();
+ }
+ // Paper end
+
this.ticksLived = nbttagcompound.getInt("Time");
if (nbttagcompound.hasKeyOfType("HurtEntities", 99)) {
this.hurtEntities = nbttagcompound.getBoolean("HurtEntities");
--
2.18.0