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Message-ID: <39EC321A.DF4CEE34@cygnus.com>
Date: Tue, 17 Oct 2000 13:03:54 +0200
From: Corinna Vinschen <vinschen AT cygnus DOT com>
Reply-To: cygwin <cygwin AT sources DOT redhat DOT com>
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To: cygwin <cygwin AT sources DOT redhat DOT com>
Subject: Re: FW: 'id' on NT/2000
References: <44632C76B97BD211AF6B00805FADCAB2027CAA04 AT exchange DOT saltaire DOT pace DOT co DOT uk>
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Colin Fine wrote:
> 
> > We have a problem with cygnus, originally on W2000, but we have now duplicated it on NT4 as well.
> >
> > The problem is that in some circumstances the 'id' command returns the user name 'administrator' instead of the correct logged-in user. Since /etc/profile uses this to set USER and the home directory, this is rather significant!
> >
> > It is consistent for a particular machine/user, but we don't know what makes the difference. So for example:
> > On my dual boot (W95/W2000) PC, on the W95 side, cygwin correctly sets me up as fine_c (my Windows login), but on W2000, it insists I am administrator, though I am still logged in as fine_c.
> >
> > On an NT4 machine, a colleague finds that cygwin correctly picks up his login name; but if he creates another user (test) n the machine and logs in using that, cygwin again thinks that user is administrator.
> >
> > Does anybody recognise this? Or know which Windows call 'id' uses?

id doesn't use a Windows call but only Cygwin POSIX calls. As a result
it needs correct settings in /etc/passwd.

On your collegues machine:
Did you insert the "test" user into /etc/passwd?

On your machine:
If you dual boot your machine with the same /etc directory you will have
another problem _if_ you are using ntsec. Both OS'es have different SIDs
and the same user will have different SIDs on different OSes. You will
have to either provide different /etc/passwd files or to change your
systems SID on one of the OSes so that it's equal to the SID of the
other system. You can for example use the NewSID tool on
www.sysinternals.com with a slight change (Fixed SID instead of random
SID).

Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Developer                        mailto:cygwin AT sources DOT redhat DOT com
Red Hat, Inc.
mailto:vinschen AT cygnus DOT com

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