geforkt von Mirrors/Paper
f17519338b
* Expose server build information * squash patches * final tweaks --------- Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com> Co-authored-by: masmc05 <masmc05@gmail.com>
42 Zeilen
2.6 KiB
Diff
42 Zeilen
2.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
|
From: Zach Brown <zach@zachbr.io>
|
|
Date: Tue, 23 Jul 2019 20:44:47 -0500
|
|
Subject: [PATCH] Do not let the server load chunks from newer versions
|
|
|
|
If the server attempts to load a chunk generated by a newer version of
|
|
the game, immediately stop the server to prevent data corruption.
|
|
|
|
You can override this functionality at your own peril.
|
|
|
|
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
|
|
index b3f8df13e97cbde7dd914b42004d186f90b78646..2ca1f01ab59000949cbde1766c9811a72dbfb4ff 100644
|
|
--- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
|
|
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
|
|
@@ -86,6 +86,10 @@ public class ChunkSerializer {
|
|
public static final String BLOCK_LIGHT_TAG = "BlockLight";
|
|
public static final String SKY_LIGHT_TAG = "SkyLight";
|
|
|
|
+ // Paper start - Do not let the server load chunks from newer versions
|
|
+ private static final int CURRENT_DATA_VERSION = net.minecraft.SharedConstants.getCurrentVersion().getDataVersion().getVersion();
|
|
+ private static final boolean JUST_CORRUPT_IT = Boolean.getBoolean("Paper.ignoreWorldDataVersion");
|
|
+ // Paper end - Do not let the server load chunks from newer versions
|
|
public ChunkSerializer() {}
|
|
|
|
// Paper start - guard against serializing mismatching coordinates
|
|
@@ -101,6 +105,15 @@ public class ChunkSerializer {
|
|
}
|
|
// Paper end - guard against serializing mismatching coordinates
|
|
public static ProtoChunk read(ServerLevel world, PoiManager poiStorage, ChunkPos chunkPos, CompoundTag nbt) {
|
|
+ // Paper start - Do not let the server load chunks from newer versions
|
|
+ if (nbt.contains("DataVersion", net.minecraft.nbt.Tag.TAG_ANY_NUMERIC)) {
|
|
+ final int dataVersion = nbt.getInt("DataVersion");
|
|
+ if (!JUST_CORRUPT_IT && dataVersion > CURRENT_DATA_VERSION) {
|
|
+ new RuntimeException("Server attempted to load chunk saved with newer version of minecraft! " + dataVersion + " > " + CURRENT_DATA_VERSION).printStackTrace();
|
|
+ System.exit(1);
|
|
+ }
|
|
+ }
|
|
+ // Paper end - Do not let the server load chunks from newer versions
|
|
ChunkPos chunkcoordintpair1 = new ChunkPos(nbt.getInt("xPos"), nbt.getInt("zPos")); // Paper - guard against serializing mismatching coordinates; diff on change, see ChunkSerializer#getChunkCoordinate
|
|
|
|
if (!Objects.equals(chunkPos, chunkcoordintpair1)) {
|