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Because this exploit has been widely known for years and has not been fixed by Mojang, we decided that it was worth allowing people to toggle it on/off due to how easy it is to make it configurable. It should be noted that this decision does not promise all future exploits will be configurable.
42 lines
2.3 KiB
Diff
42 lines
2.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Astralchroma <astralchroma@proton.me>
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Date: Thu, 27 Oct 2022 22:19:31 +0100
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Subject: [PATCH] Configurable Region Compression Format
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diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
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index 169e375c814ff814d15101d09dccc67783f50465..8d20e265872e1f8200de186a69a29f498ceb8588 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
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@@ -46,7 +46,7 @@ public class RegionFile implements AutoCloseable {
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protected final RegionBitmap usedSectors;
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public RegionFile(Path file, Path directory, boolean dsync) throws IOException {
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- this(file, directory, RegionFileVersion.VERSION_DEFLATE, dsync);
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+ this(file, directory, RegionFileVersion.getCompressionFormat(), dsync); // Paper - Configurable region compression format
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}
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public RegionFile(Path file, Path directory, RegionFileVersion outputChunkStreamVersion, boolean dsync) throws IOException {
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diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileVersion.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileVersion.java
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index 5fa7a842431dd64c7a0dc5d8e940563a2aeef463..374ff77f15e339500714580673ae8077482ba247 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileVersion.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileVersion.java
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@@ -30,6 +30,17 @@ public class RegionFileVersion {
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}, (stream) -> {
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return stream;
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}));
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+
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+ // Paper start - Configurable region compression format
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+ public static RegionFileVersion getCompressionFormat() {
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+ return switch (io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.compressionFormat) {
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+ case GZIP -> VERSION_GZIP;
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+ case ZLIB -> VERSION_DEFLATE;
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+ case NONE -> VERSION_NONE;
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+ };
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+ }
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+ // Paper end - Configurable region compression format
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+
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private final int id;
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private final RegionFileVersion.StreamWrapper<InputStream> inputWrapper;
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private final RegionFileVersion.StreamWrapper<OutputStream> outputWrapper;
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