X-Spam-Check-By: sourceware.org
Date: Mon, 30 Oct 2006 09:52:47 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: using sshd as a non-administrator: minor issues and an aliasing   question
Message-ID: <20061030085247.GJ8323@calimero.vinschen.de>
Reply-To: cygwin AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
References: <6989476 DOT post AT talk DOT nabble DOT com> <eho4o4$8po$1 AT sea DOT gmane DOT org> <Pine DOT GSO DOT 4 DOT 63 DOT 0610291532140 DOT 22731 AT access1 DOT cims DOT nyu DOT edu>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <Pine.GSO.4.63.0610291532140.22731@access1.cims.nyu.edu>
User-Agent: Mutt/1.4.2i
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
Precedence: bulk
List-Unsubscribe: <mailto:cygwin-unsubscribe-archive-cygwin=delorie DOT com AT cygwin DOT com>
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sourceware.org/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Delivered-To: mailing list cygwin AT cygwin DOT com

On Oct 29 15:35, Igor Peshansky wrote:
> On Wed, 25 Oct 2006, Thorsten Kampe wrote:
> 
> > * eyalroz (Wed, 25 Oct 2006 03:18:26 -0700 (PDT))
> >
> > > 3. How do I add new username/password combinations other than my real
> > > NT username and password? I want the sshd to only accept
> > > myalias/tehfauxpass instead of myrealuser/therealpass , and of course
> > > not try to switch users to myalias but rather allow work as
> > > myrealuser.
> >
> > Can't be done in my opinion as /etc/passwd is just a wrapper to the
> > SAM where the real password hashes are stored.
> 
> Well, technically, if you omit the SID from the passwd entry, Cygwin may
> use the crypt'ed password in the second field, but the resulting user
> token would be pretty useless, as it will bear no relation to the real
> Windows user...  Corinna will probably have more to say on this...

Not really.  Thorsten is correct.  Cygwin, the DLL, never uses the passwd
field.  The crypt library does.  I don't understand the sense behind the
the above approach anyway.  Security by obscurity?  Why not use pubkey
authentication with passphrase instead?


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Problem reports:       http://cygwin.com/problems.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/