[cifs-protocol] Re: [Pfif] Correction Assistance Request: DataOffset in WRITE_ANDX request

Volker Lendecke Volker.Lendecke at SerNet.DE
Tue Nov 11 08:39:37 GMT 2008

On Mon, Nov 10, 2008 at 02:12:30PM -0800, Hongwei Sun wrote:
>    The following is the information you requested
>    regarding DataOffset in WRITE_ANDX request.
>     Each request is self-describing, so the offset is
>     always from the start of the SMB Header for the
>     current message.  In this case, the DataOffset is
>     relative to the SMB_HEADER of the current request (not
>     just the first request).  The only offset in either
>     protocol that spans multiple requests is the
>     "AndXOffset/NextCommand" that links the requests.
>     Please let us know if you have further questions.

This would apply to SMB2 chaining, where each request is
indeed self-contained. This is not the case in SMB1, where
there is only one SMB header for multiple SMB commands. How
does this fit your description?

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