e792da723a
Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 30885166 Update to Minecraft 1.16.4 CraftBukkit Changes: 3af81c71 Update to Minecraft 1.16.4 Spigot Changes: f011ca24 Update to Minecraft 1.16.4 Co-authored-by: Mariell Hoversholm <proximyst@proximyst.com>
55 Zeilen
3.8 KiB
Diff
55 Zeilen
3.8 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Fri, 27 Dec 2019 09:42:26 -0800
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Subject: [PATCH] Guard against serializing mismatching chunk coordinate
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Should help if something dumb happens
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diff --git a/src/main/java/net/minecraft/server/ChunkRegionLoader.java b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
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index b09d9436d17159edd6733ab4856be44578353e3e..20388f4305957a83a678119dcda0249105125ab1 100644
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--- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
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+++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
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@@ -24,6 +24,13 @@ public class ChunkRegionLoader {
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private static final Logger LOGGER = LogManager.getLogger();
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+ // Paper start - guard against serializing mismatching coordinates
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+ // TODO Note: This needs to be re-checked each update
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+ public static ChunkCoordIntPair getChunkCoordinate(NBTTagCompound chunkData) {
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+ NBTTagCompound levelData = chunkData.getCompound("Level");
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+ return new ChunkCoordIntPair(levelData.getInt("xPos"), levelData.getInt("zPos"));
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+ }
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+ // Paper end
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// Paper start
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public static final class InProgressChunkHolder {
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@@ -49,8 +56,8 @@ public class ChunkRegionLoader {
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// Paper end
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ChunkGenerator chunkgenerator = worldserver.getChunkProvider().getChunkGenerator();
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WorldChunkManager worldchunkmanager = chunkgenerator.getWorldChunkManager();
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- NBTTagCompound nbttagcompound1 = nbttagcompound.getCompound("Level");
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- ChunkCoordIntPair chunkcoordintpair1 = new ChunkCoordIntPair(nbttagcompound1.getInt("xPos"), nbttagcompound1.getInt("zPos"));
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+ NBTTagCompound nbttagcompound1 = nbttagcompound.getCompound("Level"); // Paper - diff on change, see ChunkRegionLoader#getChunkCoordinate
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+ ChunkCoordIntPair chunkcoordintpair1 = new ChunkCoordIntPair(nbttagcompound1.getInt("xPos"), nbttagcompound1.getInt("zPos")); // Paper - diff on change, see ChunkRegionLoader#getChunkCoordinate
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if (!Objects.equals(chunkcoordintpair, chunkcoordintpair1)) {
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ChunkRegionLoader.LOGGER.error("Chunk file at {} is in the wrong location; relocating. (Expected {}, got {})", chunkcoordintpair, chunkcoordintpair, chunkcoordintpair1);
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diff --git a/src/main/java/net/minecraft/server/IChunkLoader.java b/src/main/java/net/minecraft/server/IChunkLoader.java
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index c0d2df8ef3b4d0224ede2b7a4ef4e3f930590209..582a5695bac7d078e3022b8ee70c512c0680d992 100644
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--- a/src/main/java/net/minecraft/server/IChunkLoader.java
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+++ b/src/main/java/net/minecraft/server/IChunkLoader.java
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@@ -106,6 +106,13 @@ public class IChunkLoader implements AutoCloseable {
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public void a(ChunkCoordIntPair chunkcoordintpair, NBTTagCompound nbttagcompound) throws IOException { write(chunkcoordintpair, nbttagcompound); } // Paper OBFHELPER
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public void write(ChunkCoordIntPair chunkcoordintpair, NBTTagCompound nbttagcompound) throws IOException { // Paper - OBFHELPER - (Switched around for safety)
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+ // Paper start
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+ if (!chunkcoordintpair.equals(ChunkRegionLoader.getChunkCoordinate(nbttagcompound))) {
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+ String world = (this instanceof PlayerChunkMap) ? ((PlayerChunkMap)this).world.getWorld().getName() : null;
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+ throw new IllegalArgumentException("Chunk coordinate and serialized data do not have matching coordinates, trying to serialize coordinate " + chunkcoordintpair.toString()
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+ + " but compound says coordinate is " + ChunkRegionLoader.getChunkCoordinate(nbttagcompound).toString() + (world == null ? " for an unknown world" : (" for world: " + world)));
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+ }
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+ // Paper end
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this.regionFileCache.write(chunkcoordintpair, nbttagcompound);
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if (this.c != null) {
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synchronized (this.persistentDataLock) { // Paper - Async chunk loading
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