Paper/Spigot-Server-Patches/0116-Filter-bad-data-from-ArmorStand-and-SpawnEgg-items.patch

50 lines
2.6 KiB
Diff
Raw Normal View History

From 0000000000000000000000000000000000000000 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 74d0a591d3033b5ea4f2b0be8027d7096de66d8a..64a34e48d55ef94507896982115be438e9632f6e 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
2019-04-27 08:26:04 +02:00
@@ -2,6 +2,7 @@ package com.destroystokyo.paper;
2017-05-14 20:05:01 +02:00
import java.util.List;
+import org.bukkit.Bukkit;
import org.bukkit.configuration.file.YamlConfiguration;
import org.spigotmc.SpigotWorldConfig;
@@ -299,4 +300,12 @@ 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 bdeabfaeb17778a12ab4ad72689a72b043efcff4..0fbcf454c2db2427055123424c6d10cfbb939c17 100644
--- a/src/main/java/net/minecraft/server/EntityFallingBlock.java
+++ b/src/main/java/net/minecraft/server/EntityFallingBlock.java
2020-06-25 14:04:34 +02:00
@@ -233,6 +233,13 @@ public class EntityFallingBlock extends Entity {
2019-04-27 08:26:04 +02:00
@Override
2020-06-25 14:04:34 +02:00
protected void loadData(NBTTagCompound nbttagcompound) {
this.block = GameProfileSerializer.c(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");