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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 BungeeCord Changes: 85ea4c16 Remove redundant scheduled close, already channel closed by future. 22d2cd33 #2747: Fix TranslatableComponent.deserialize()
63 lines
2.7 KiB
Diff
63 lines
2.7 KiB
Diff
From 3e59f82613e4f183eebc4717f1fe73d5049a9d27 Mon Sep 17 00:00:00 2001
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From: Techcable <Techcable@techcable.net>
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Date: Fri, 18 Mar 2016 10:53:24 -0700
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Subject: [PATCH] Better Decompression Sanity
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Fixes #40
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diff --git a/proxy/src/main/java/net/md_5/bungee/compress/PacketDecompressor.java b/proxy/src/main/java/net/md_5/bungee/compress/PacketDecompressor.java
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index 21b3ea2b..37fe6ac7 100644
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--- a/proxy/src/main/java/net/md_5/bungee/compress/PacketDecompressor.java
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+++ b/proxy/src/main/java/net/md_5/bungee/compress/PacketDecompressor.java
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@@ -1,5 +1,7 @@
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package net.md_5.bungee.compress;
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+import lombok.*;
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+
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import com.google.common.base.Preconditions;
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import io.netty.buffer.ByteBuf;
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import io.netty.channel.ChannelHandlerContext;
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@@ -8,9 +10,11 @@ import java.util.List;
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import net.md_5.bungee.jni.zlib.BungeeZlib;
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import net.md_5.bungee.protocol.DefinedPacket;
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+@RequiredArgsConstructor
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public class PacketDecompressor extends MessageToMessageDecoder<ByteBuf>
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{
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+ private final int compressionThreshold;
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private final BungeeZlib zlib = CompressFactory.zlib.newInstance();
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@Override
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@@ -35,12 +39,13 @@ public class PacketDecompressor extends MessageToMessageDecoder<ByteBuf>
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in.skipBytes( in.readableBytes() );
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} else
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{
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+ Preconditions.checkArgument( size >= compressionThreshold, "Decompressed size %s less than compression threshold %s", size, compressionThreshold);
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ByteBuf decompressed = ctx.alloc().directBuffer();
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try
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{
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zlib.process( in, decompressed );
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- Preconditions.checkState( decompressed.readableBytes() == size, "Decompressed packet size mismatch" );
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+ Preconditions.checkArgument( decompressed.readableBytes() == size, "Decompressed size %s is not equal to actual decompressed bytes", size, decompressed.readableBytes());
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out.add( decompressed );
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decompressed = null;
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diff --git a/proxy/src/main/java/net/md_5/bungee/netty/ChannelWrapper.java b/proxy/src/main/java/net/md_5/bungee/netty/ChannelWrapper.java
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index 0ef21887..30ccfa9f 100644
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--- a/proxy/src/main/java/net/md_5/bungee/netty/ChannelWrapper.java
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+++ b/proxy/src/main/java/net/md_5/bungee/netty/ChannelWrapper.java
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@@ -138,7 +138,7 @@ public class ChannelWrapper
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if ( ch.pipeline().get( PacketDecompressor.class ) == null && compressionThreshold != -1 )
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{
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- addBefore( PipelineUtils.PACKET_DECODER, "decompress", new PacketDecompressor() );
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+ addBefore( PipelineUtils.PACKET_DECODER, "decompress", new PacketDecompressor(compressionThreshold) );
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}
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if ( compressionThreshold == -1 )
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{
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--
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2.24.1
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