[OpenAFS-win32-devel] Queries to understand OpenAFS as a Remote File System

Wed, 6 Jun 2007 16:49:38 +0530

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Hi,

Thanks for your reply,

I was going through the OpenAFS code, but I am unable to figure out where
exactly in the code ( which function of )  OpenAFS is receiving SMB packets
from the CIFS client.?

Is OpenAFS listening on any port ??  relatively I was unable to locate any
listening on ports like 138 or 139.

Can you kindly help me with these queries.

Thanks and Regards,
Bharat.

On 6/4/07, Jeffrey Altman <jaltman@secure-endpoints.com> wrote:
>
> OpenAFS is a user mode service that registers its own NetBIOS name.
> It is not a kernel service and is not a Windows remote file system.
> The CIFS client talks to OpenAFS exactly the same way it talks to a
> Windows file share or Samba server.
>
> Jeffrey Altman
> Secure Endpoints Inc.
>
> Bharat Kulkarni wrote:
> > Hi,
> >
> > Thanks a lot your responses.
> >
> > I have some further queries,
> >
> > Can you kindly tell me, how does the Windows CIFS client using SMB, talk
> > to OpenAFS? Have you registered any DLL or is the entry put in the
> > registry. How does OpenAFS accept the SMB packets from Windows and carry
> > on further tasks. What role does NetBios play?
> >
> > Does MPR.DLL and MUP.sys come into the picture to make OpenAFS work as a
> > n/w redirector when operations are carried out on the drive mapped? As
> > per Vista WDK Docs, MUP.sys is now used even when a mapped drive (Not
> > local) is accessed.. Have you also made OpenAFS changes to work
> > according to Vista guidelines?
> >
> > I also have a query regarding the way in which command prompt executes a
> > request as compared to windows explorer. What i mean is, does it follow
> > the same path when we access OpenAFS drive using explorer and when we
> > access the drive from command prompt? Is it the code path for both ways
> > of accessing the drive? Does MUP.sys play any role in this? Are you
> > registering OpenAFS with MUP.sys to work as per the Vista Docs?
> >
> > Can you also kindly guide me as to how I can further understand the
> > working of OpenAFS in terms of the SMB protocol, and communication
> > between OpenAFS and windows
> >
> > Thanks and Regards,
> > Bharat.
>
>

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Hi, Thanks for your reply, I was going through the OpenAFS code, but I am unable to figure out where exactly in the code ( which function of )&nbsp; OpenAFS is receiving SMB packets from the CIFS client.? 
Is OpenAFS listening on any port ??&nbsp; relatively I was unable to locate any listening on ports like 138 or 139. Can you kindly help me with these queries. Thanks and Regards, Bharat. <div>
On 6/4/07, Jeffrey Altman &lt;<a href="mailto:jaltman@secure-endpoints.com">jaltman@secure-endpoints.com</a>&gt; wrote:<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
OpenAFS is a user mode service that registers its own NetBIOS name. It is not a kernel service and is not a Windows remote file system. The CIFS client talks to OpenAFS exactly the same way it talks to a Windows file share or Samba server.
 Jeffrey Altman Secure Endpoints Inc. Bharat Kulkarni wrote: &gt; Hi, &gt; &gt; Thanks a lot your responses. &gt; &gt; I have some further queries, &gt; &gt; Can you kindly tell me, how does the Windows CIFS client using SMB, talk
 &gt; to OpenAFS? Have you registered any DLL or is the entry put in the &gt; registry. How does OpenAFS accept the SMB packets from Windows and carry &gt; on further tasks. What role does NetBios play? &gt; 
&gt; Does MPR.DLL and MUP.sys come into the picture to make OpenAFS work as a &gt; n/w redirector when operations are carried out on the drive mapped? As &gt; per Vista WDK Docs, MUP.sys is now used even when a mapped drive (Not
 &gt; local) is accessed.. Have you also made OpenAFS changes to work &gt; according to Vista guidelines? &gt; &gt; I also have a query regarding the way in which command prompt executes a &gt; request as compared to windows explorer. What i mean is, does it follow
 &gt; the same path when we access OpenAFS drive using explorer and when we &gt; access the drive from command prompt? Is it the code path for both ways &gt; of accessing the drive? Does MUP.sys play any role in this? Are you
 &gt; registering OpenAFS with MUP.sys to work as per the Vista Docs? &gt; &gt; Can you also kindly guide me as to how I can further understand the &gt; working of OpenAFS in terms of the SMB protocol, and communication
 &gt; between OpenAFS and windows &gt; &gt; Thanks and Regards, &gt; Bharat. </blockquote></div>

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