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>
52 Zeilen
3.5 KiB
Diff
52 Zeilen
3.5 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/world/level/chunk/storage/ChunkSerializer.java b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
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index b0518725a2e145d29bd5bc0aa7e6998a47dcb511..b3f8df13e97cbde7dd914b42004d186f90b78646 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
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@@ -88,8 +88,20 @@ public class ChunkSerializer {
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public ChunkSerializer() {}
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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 ChunkPos getChunkCoordinate(final CompoundTag chunkData) {
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+ final int dataVersion = ChunkStorage.getVersion(chunkData);
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+ if (dataVersion < 2842) { // Level tag is removed after this version
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+ final CompoundTag levelData = chunkData.getCompound("Level");
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+ return new ChunkPos(levelData.getInt("xPos"), levelData.getInt("zPos"));
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+ } else {
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+ return new ChunkPos(chunkData.getInt("xPos"), chunkData.getInt("zPos"));
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+ }
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+ }
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+ // Paper end - guard against serializing mismatching coordinates
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public static ProtoChunk read(ServerLevel world, PoiManager poiStorage, ChunkPos chunkPos, CompoundTag nbt) {
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- ChunkPos chunkcoordintpair1 = new ChunkPos(nbt.getInt("xPos"), nbt.getInt("zPos"));
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+ ChunkPos chunkcoordintpair1 = new ChunkPos(nbt.getInt("xPos"), nbt.getInt("zPos")); // Paper - guard against serializing mismatching coordinates; diff on change, see ChunkSerializer#getChunkCoordinate
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if (!Objects.equals(chunkPos, chunkcoordintpair1)) {
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ChunkSerializer.LOGGER.error("Chunk file at {} is in the wrong location; relocating. (Expected {}, got {})", new Object[]{chunkPos, chunkPos, chunkcoordintpair1});
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diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java
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index 5ed1b824978c3805e91aeed8e172206ada9fb720..09a73383867d1ffadababd24428ee7a61ab98959 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java
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@@ -168,6 +168,13 @@ public class ChunkStorage implements AutoCloseable {
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}
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public CompletableFuture<Void> write(ChunkPos chunkPos, CompoundTag nbt) {
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+ // Paper start - guard against serializing mismatching coordinates
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+ if (nbt != null && !chunkPos.equals(ChunkSerializer.getChunkCoordinate(nbt))) {
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+ final String world = (this instanceof net.minecraft.server.level.ChunkMap) ? ((net.minecraft.server.level.ChunkMap) this).level.getWorld().getName() : null;
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+ throw new IllegalArgumentException("Chunk coordinate and serialized data do not have matching coordinates, trying to serialize coordinate " + chunkPos
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+ + " but compound says coordinate is " + ChunkSerializer.getChunkCoordinate(nbt) + (world == null ? " for an unknown world" : (" for world: " + world)));
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+ }
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+ // Paper end - guard against serializing mismatching coordinates
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this.handleLegacyStructureIndex(chunkPos);
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return this.worker.store(chunkPos, nbt);
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}
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