[jira] [Assigned] (QPID-6784) [Java Broker, Java Client] Client sends too large frames and broker does wrong frame size validation on 0-9

["Lorenz Quack (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/QPID-6784?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lorenz Quack reassigned QPID-6784:
----------------------------------

    Assignee: Lorenz Quack  (was: Keith Wall)

> [Java Broker, Java Client] Client sends too large frames and broker does wrong frame size validation on 0-9
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: QPID-6784
>                 URL: https://issues.apache.org/jira/browse/QPID-6784
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Broker, Java Client
>    Affects Versions: 0.17, 0.32
>            Reporter: Lorenz Quack
>            Assignee: Lorenz Quack
>            Priority: Blocker
>
> The Client does not include the frame attributes (except for 1 byte) in its calculation of the AMQP Frame size thus creating frames which are 7 bytes too large. This happens in {{org.apache.qpid.client.BasicMessageProducer_0_8#calculateContentBodyFrameCount}} and maybe other places.
> The broker on the other end does an incorrect validation (in {{AMQDecoder#decodable}} at least) where it does not take any of the attributes into account thus accepting too large frames.
> Besides not being compliant with the spec this causes problems in {{NonBlockingConnectionPlainDelegate#processData}} where the frame does not fit into a single networkBuffer.
> I did not investigate other protocol versions.



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