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X-Authentication-Warning: slinky.cs.nyu.edu: pechtcha owned process doing -bs
Date: Mon, 3 Mar 2003 16:30:23 -0500 (EST)
From: Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>
Reply-To: cygwin AT cygwin DOT com
To: jon ewing <jon AT mediasurface DOT com>
cc: cygwin AT cygwin DOT com
Subject: Re: /etc/passwd and /etc/group question
In-Reply-To: <000001c2e1c1$f0ca6950$152ca8c0@int.mediasurface.com>
Message-ID: <Pine.GSO.4.44.0303031627000.25599-100000@slinky.cs.nyu.edu>
Importance: Normal
MIME-Version: 1.0
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On Mon, 3 Mar 2003, jon ewing wrote:

> Hi,
>
> I'm having problems assigning users to multiple groups under cygwin
> (latest build under XP on ntfs with ntsec).
>
> My /etc/passwd file contains:
> [snip]
> and my /etc/group contains:
> [snip]
>
> I want to add the 'root' user to the 'dev' group. Currently, if the root
> user runs groups:
>
> root AT shuttle (/root) % groups
> admin None Users
>
> I thought that if I modify the 7th line of the /etc/group file to:
>
> dev:S-1-5-32-547:547:root
>
> then root would be added to the dev group. This doesn't work. However, I
> can't figure out how Cygwin is storing group information as no users are
> listed in the /etc/group file against any group, yet groups knows that
> root is in three different groups.
>
> Can anyone tell me where I'm going wrong?
>
> thanks.
> jon.

Jon,

IIRC, on NT-based systems Cygwin uses the OS itself to store passwords,
group affiliations, etc.  The only thing you *can* change by editing
/etc/passwd is the user's primary group.  Use Windows tools to add user
"root" to group "dev".
	Igor
-- 
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     |,4-  ) )-,_. ,\ (  `'-'		Igor Pechtchanski
    '---''(_/--'  `-'\_) fL	a.k.a JaguaR-R-R-r-r-r-.-.-.  Meow!

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  -- /usr/games/fortune


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