Files
PlazmaBukkitMC/patches/server/0047-Validate-ResourceLocation-in-NBT-reading.patch
2024-01-18 23:26:41 +09:00

63 lines
4.1 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: jihwan0511 <cgjjj320@gmail.com>
Date: Fri, 5 Jan 2024 06:04:37 +0100
Subject: [PATCH] Validate ResourceLocation in NBT reading
diff --git a/src/main/java/net/minecraft/nbt/NbtUtils.java b/src/main/java/net/minecraft/nbt/NbtUtils.java
index 7bc60901297d27d88efb401d02b4bc06d8b28874..f1b936bbef9a29d929646360df484fe24ade9780 100644
--- a/src/main/java/net/minecraft/nbt/NbtUtils.java
+++ b/src/main/java/net/minecraft/nbt/NbtUtils.java
@@ -230,8 +230,10 @@ public final class NbtUtils {
if (!nbt.contains("Name", 8)) {
return Blocks.AIR.defaultBlockState();
} else {
- ResourceLocation resourceLocation = new ResourceLocation(nbt.getString("Name"));
- Optional<? extends Holder<Block>> optional = blockLookup.get(ResourceKey.create(Registries.BLOCK, resourceLocation));
+ // Paper start - Validate resource location
+ ResourceLocation resourceLocation = ResourceLocation.tryParse(nbt.getString("Name"));
+ Optional<? extends Holder<Block>> optional = resourceLocation != null ? blockLookup.get(ResourceKey.create(Registries.BLOCK, resourceLocation)) : Optional.empty();
+ // Paper end
if (optional.isEmpty()) {
return Blocks.AIR.defaultBlockState();
} else {
diff --git a/src/main/java/net/minecraft/world/entity/Mob.java b/src/main/java/net/minecraft/world/entity/Mob.java
index 699b166b6438cbe0cd197547df4d8dc4359e0b34..0d3ab6d59087da828698ae847929a31585f6796c 100644
--- a/src/main/java/net/minecraft/world/entity/Mob.java
+++ b/src/main/java/net/minecraft/world/entity/Mob.java
@@ -644,7 +644,7 @@ public abstract class Mob extends LivingEntity implements Targeting {
this.setLeftHanded(nbt.getBoolean("LeftHanded"));
if (nbt.contains("DeathLootTable", 8)) {
- this.lootTable = new ResourceLocation(nbt.getString("DeathLootTable"));
+ this.lootTable = ResourceLocation.tryParse(nbt.getString("DeathLootTable")); // Paper - Validate ResourceLocation
this.lootTableSeed = nbt.getLong("DeathLootTableSeed");
}
diff --git a/src/main/java/net/minecraft/world/entity/projectile/AbstractArrow.java b/src/main/java/net/minecraft/world/entity/projectile/AbstractArrow.java
index 6b070ad6aa1b62a66fb85d54042af9d64cdcea7f..306e30541aeed280c23ddfc8ca87a2fc4ea10a55 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/AbstractArrow.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/AbstractArrow.java
@@ -542,7 +542,7 @@ public abstract class AbstractArrow extends Projectile {
this.setCritArrow(nbt.getBoolean("crit"));
this.setPierceLevel(nbt.getByte("PierceLevel"));
if (nbt.contains("SoundEvent", 8)) {
- this.soundEvent = (SoundEvent) BuiltInRegistries.SOUND_EVENT.getOptional(new ResourceLocation(nbt.getString("SoundEvent"))).orElse(this.getDefaultHitGroundSoundEvent());
+ this.soundEvent = (SoundEvent) BuiltInRegistries.SOUND_EVENT.getOptional(ResourceLocation.tryParse(nbt.getString("SoundEvent"))).orElse(this.getDefaultHitGroundSoundEvent()); // Paper - Validate resource location
}
this.setShotFromCrossbow(nbt.getBoolean("ShotFromCrossbow"));
diff --git a/src/main/java/net/minecraft/world/entity/vehicle/ContainerEntity.java b/src/main/java/net/minecraft/world/entity/vehicle/ContainerEntity.java
index 7529751afa2932fd16bc4591189b0358268a7b14..e2e1c7a017e82dc7299e5cd1783818e4f0319c0b 100644
--- a/src/main/java/net/minecraft/world/entity/vehicle/ContainerEntity.java
+++ b/src/main/java/net/minecraft/world/entity/vehicle/ContainerEntity.java
@@ -67,7 +67,7 @@ public interface ContainerEntity extends Container, MenuProvider {
default void readChestVehicleSaveData(CompoundTag nbt) {
this.clearItemStacks();
if (nbt.contains("LootTable", 8)) {
- this.setLootTable(new ResourceLocation(nbt.getString("LootTable")));
+ this.setLootTable(ResourceLocation.tryParse(nbt.getString("LootTable"))); // Paper - Validate ResourceLocation
this.setLootTableSeed(nbt.getLong("LootTableSeed"));
}