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Fix infinite loop that can occur when the client closes the connection before sending the complete packet body.

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kpreisser
2018-01-23 10:45:58 +01:00
parent 8b2b8d41df
commit d020e809a1
1 changed files with 6 additions and 0 deletions
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Frameworks/MQTTnet.NetStandard/Adapter/MqttChannelAdapter.cs
+6
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@@ -137,6 +137,12 @@ namespace MQTTnet.Adapter
do do
{ {
var readBytesCount = await stream.ReadAsync(body, offset, body.Length - offset, cancellationToken).ConfigureAwait(false); var readBytesCount = await stream.ReadAsync(body, offset, body.Length - offset, cancellationToken).ConfigureAwait(false);
// Check if the client closed the connection before sending the full body.
if (readBytesCount == 0)
{
throw new MqttCommunicationException("Connection closed while reading remaining packet body.");
}
offset += readBytesCount; offset += readBytesCount;
} while (offset < header.BodyLength); } while (offset < header.BodyLength);