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Correctly pass velocity native compressor (#11509)

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Bjarne Koll 2024-11-06 11:00:10 +01:00 committed by GitHub
parent 42a1901d3b
commit fcb6c72bc9
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1 changed files with 21 additions and 9 deletions
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patches/server/0980-Use-Velocity-compression-and-cipher-natives.patch
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@ -3,6 +3,8 @@ From: Andrew Steinborn <git@steinborn.me>
Date: Mon, 26 Jul 2021 02:15:17 -0400
Subject: [PATCH] Use Velocity compression and cipher natives
== AT ==
private-f net.minecraft.network.CompressionDecoder inflater
diff --git a/build.gradle.kts b/build.gradle.kts
index 25001d6cf4f70bd01ab304625b49ec45f5b1f525..9966576652ed6007d2228237f292c1dc83ede485 100644
@ -102,18 +104,19 @@ index 0f3d502a9680006bcdcd7d272240a2e5c3b46790..ffa1c48585fbbc1d30826d435043527f
+ // Paper end - Use Velocity cipher
}
diff --git a/src/main/java/net/minecraft/network/CompressionDecoder.java b/src/main/java/net/minecraft/network/CompressionDecoder.java
index 5927c928b27f64bd3973e95d5867b59f67476d41..ba3619b03ea73e4ea55ae2eb79d3b6cd1f48a191 100644
index a57e8516b3fafd7060dc1b30550164e74e17fc84..3a853d7401a8275b1a3d525bbda8095de12d0038 100644
--- a/src/main/java/net/minecraft/network/CompressionDecoder.java
+++ b/src/main/java/net/minecraft/network/CompressionDecoder.java
@@ -13,13 +13,20 @@ public class CompressionDecoder extends ByteToMessageDecoder {
@@ -13,13 +13,21 @@ public class CompressionDecoder extends ByteToMessageDecoder {
public static final int MAXIMUM_COMPRESSED_LENGTH = 2097152;
public static final int MAXIMUM_UNCOMPRESSED_LENGTH = 8388608;
private final Inflater inflater;
private Inflater inflater;
+ private com.velocitypowered.natives.compression.VelocityCompressor compressor; // Paper - Use Velocity cipher
private int threshold;
private boolean validateDecompressed;
+ // Paper start - Use Velocity cipher
+ @io.papermc.paper.annotation.DoNotUse
public CompressionDecoder(int compressionThreshold, boolean rejectsBadPackets) {
+ this(null, compressionThreshold, rejectsBadPackets);
+ }
@ -127,7 +130,7 @@ index 5927c928b27f64bd3973e95d5867b59f67476d41..ba3619b03ea73e4ea55ae2eb79d3b6cd
}
protected void decode(ChannelHandlerContext channelHandlerContext, ByteBuf byteBuf, List<Object> list) throws Exception {
@@ -38,14 +45,42 @@ public class CompressionDecoder extends ByteToMessageDecoder {
@@ -38,14 +46,42 @@ public class CompressionDecoder extends ByteToMessageDecoder {
}
}
@ -170,12 +173,18 @@ index 5927c928b27f64bd3973e95d5867b59f67476d41..ba3619b03ea73e4ea55ae2eb79d3b6cd
private void setupInflaterInput(ByteBuf buf) {
ByteBuffer byteBuffer;
if (buf.nioBufferCount() > 0) {
@@ -82,7 +117,7 @@ public class CompressionDecoder extends ByteToMessageDecoder {
@@ -82,7 +118,13 @@ public class CompressionDecoder extends ByteToMessageDecoder {
}
}
- public void setThreshold(int compressionThreshold, boolean rejectsBadPackets) {
+ public void setThreshold(com.velocitypowered.natives.compression.VelocityCompressor compressor, int compressionThreshold, boolean rejectsBadPackets) { // Paper - Use Velocity cipher
+ // Paper start - Use Velocity cipher
+ public void setThreshold(com.velocitypowered.natives.compression.VelocityCompressor compressor, int compressionThreshold, boolean rejectsBadPackets) {
+ if (this.compressor == null && compressor != null) { // Only re-configure once. Re-reconfiguring would require closing the native compressor.
+ this.compressor = compressor;
+ this.inflater = null;
+ }
+ // Paper end - Use Velocity cipher
this.threshold = compressionThreshold;
this.validateDecompressed = rejectsBadPackets;
}
@ -275,7 +284,7 @@ index 34a80d2f34555663ab1b394972957089214cb337..ec30c291188ac3bba7f1c3bc397576d1
return this.threshold;
}
diff --git a/src/main/java/net/minecraft/network/Connection.java b/src/main/java/net/minecraft/network/Connection.java
index 7dc7aeb1d94d26cf54bd4e4ab13972a3a60c1f98..90a2c61c42cba7e38f167eccdd7a951a947963c4 100644
index 7dc7aeb1d94d26cf54bd4e4ab13972a3a60c1f98..36624d3dc7e3f2a64f88b01c5e906018fcee0015 100644
--- a/src/main/java/net/minecraft/network/Connection.java
+++ b/src/main/java/net/minecraft/network/Connection.java
@@ -792,11 +792,28 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
@ -311,7 +320,7 @@ index 7dc7aeb1d94d26cf54bd4e4ab13972a3a60c1f98..90a2c61c42cba7e38f167eccdd7a951a
public boolean isEncrypted() {
return this.encrypted;
@@ -829,12 +846,13 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
@@ -829,14 +846,15 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
public void setupCompression(int compressionThreshold, boolean rejectsBadPackets) {
if (compressionThreshold >= 0) {
@ -324,8 +333,11 @@ index 7dc7aeb1d94d26cf54bd4e4ab13972a3a60c1f98..90a2c61c42cba7e38f167eccdd7a951a
- packetdecompressor.setThreshold(compressionThreshold, rejectsBadPackets);
+ packetdecompressor.setThreshold(compressor, compressionThreshold, rejectsBadPackets); // Paper - Use Velocity cipher
} else {
this.channel.pipeline().addAfter("splitter", "decompress", new CompressionDecoder(compressionThreshold, rejectsBadPackets));
- this.channel.pipeline().addAfter("splitter", "decompress", new CompressionDecoder(compressionThreshold, rejectsBadPackets));
+ this.channel.pipeline().addAfter("splitter", "decompress", new CompressionDecoder(compressor, compressionThreshold, rejectsBadPackets)); // Paper - Use Velocity cipher
}
channelhandler = this.channel.pipeline().get("compress");
@@ -845,7 +863,7 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
packetcompressor.setThreshold(compressionThreshold);