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From: Michael Adam <obnox@samba.org>
To: Jeremy Allison <jra@samba.org>
Cc: vl@samba.org, linux-kernel@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, Jeff Layton <jlayton@samba.org>,
	linux-cifs-client@lists.samba.org
Subject: Re: [RFC PATCH] CIFS posix acl permission checking
Date: Fri, 12 Mar 2010 09:09:11 +0100	[thread overview]
Message-ID: <E1Npzvj-00AWaC-KI@intern.SerNet.DE> (raw)
In-Reply-To: <20100312015319.GC27697@samba1>


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Jeremy Allison wrote:
> 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 :-).

Agreed. :-)


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  reply	other threads:[~2010-03-12  8:09 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-04 10:50 [RFC PATCH] CIFS posix acl permission checking Jon Severinsson
2010-03-04 13:44 ` simo
2010-03-04 15:21   ` Jon Severinsson
2010-03-04 15:51     ` simo
2010-03-04 17:33       ` Jeremy Allison
2010-03-04 16:18 ` Jeff Layton
2010-03-05  9:47   ` Michael Adam
2010-03-11 22:45   ` Michael Adam
2010-03-12  1:24     ` Jeff Layton
2010-03-12  1:53     ` Jeremy Allison
2010-03-12  8:09       ` Michael Adam [this message]
  -- strict thread matches above, loose matches on Subject: below --
2010-03-01 16:00 Jon Severinsson
2010-03-01 15:15 Jon Severinsson
2010-03-01 17:03 ` Matthew Wilcox
2010-03-01 18:33   ` Jon Severinsson

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