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Date:	Thu, 11 Mar 2010 17:53:19 -0800
From:	Jeremy Allison <>
To:	Michael Adam <>
Cc:	Jeff Layton <>,
	Jon Severinsson <>,,,,
Subject: Re: [linux-cifs-client] [RFC PATCH] CIFS posix acl permission

On Thu, Mar 11, 2010 at 11:45:29PM +0100, Michael Adam wrote:
> When discussing this with Volker today, he had a different idea:
> One could implement a trans2 impersonate call in samba (as a new
> call in the unix extensions) that could be used to transfer the
> session established by the privileged user (root, say) to a
> different user specified as an argument to the call -- without
> the need to give credentials! Then this call could be used in
> the multi user mount scenario: when uid 1000 accesse the cifs
> mount then the root-dispatcher mount would create a new session
> initially as root and issue an impersonate call to user 1000
> directly afterwards.
> Wouldn't that be something worth considering?

This world work, but protocol cleanliness-wise it's
*really* horrible :-).

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