SteamWar/Velocity
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Allow certain mangled large packets to pass through

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Dieser Commit ist enthalten in:
Andrew Steinborn 2019-07-30 17:10:10 -04:00
Ursprung bfea41e7e3
Commit 4940f6b447
1 geänderte Dateien mit 2 neuen und 3 gelöschten Zeilen
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5
proxy/src/main/java/com/velocitypowered/proxy/protocol/netty/MinecraftCompressDecoder.java
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@ -35,10 +35,9 @@ public class MinecraftCompressDecoder extends MessageToMessageDecoder<ByteBuf> {
checkFrame(expectedSize >= threshold, "Uncompressed size %s is greater than threshold %s", checkFrame(expectedSize >= threshold, "Uncompressed size %s is greater than threshold %s",
expectedSize, threshold); expectedSize, threshold);
checkFrame(expectedSize <= MAXIMUM_UNCOMPRESSED_SIZE, "Expected uncompressed size" int initialCapacity = Math.min(expectedSize, MAXIMUM_UNCOMPRESSED_SIZE);
+ "%s is larger than protocol maximum of %s", expectedSize, MAXIMUM_UNCOMPRESSED_SIZE);
ByteBuf compatibleIn = ensureCompatible(ctx.alloc(), compressor, in); ByteBuf compatibleIn = ensureCompatible(ctx.alloc(), compressor, in);
ByteBuf uncompressed = preferredBuffer(ctx.alloc(), compressor, expectedSize); ByteBuf uncompressed = preferredBuffer(ctx.alloc(), compressor, initialCapacity);
try { try {
compressor.inflate(compatibleIn, uncompressed, expectedSize); compressor.inflate(compatibleIn, uncompressed, expectedSize);
out.add(uncompressed); out.add(uncompressed);