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0f9df684e2
Upstream has released updates that appear 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: 497c6879 Add (hopefully temporary) queue for plugin messages to server 7b27dfaf #3522: Revert "#3518: Bump io.netty:netty-bom from 4.1.97.Final to 4.1.98.Final" f9b75c4a Update tests to JUnit 5
63 lines
2.7 KiB
Diff
63 lines
2.7 KiB
Diff
From b34e416dfd250b7d97c1ad1c810016203d9e53ab 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 445ee947..eaedf4bc 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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@@ -34,12 +38,13 @@ public class PacketDecompressor extends MessageToMessageDecoder<ByteBuf>
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out.add( in.retain() );
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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 e8d5ed19..00e03bae 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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@@ -181,7 +181,7 @@ public class ChannelWrapper
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if ( ch.pipeline().get( PacketDecompressor.class ) == null && compressionThreshold >= 0 )
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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 < 0 )
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{
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--
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2.34.1
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