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X-HELO: calimero.vinschen.de
Date: Thu, 8 May 2014 22:09:47 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Microsoft Accounts (was Re: Problem with "None" Group on Non-Domain Members)
Message-ID: <20140508200947.GA2645@calimero.vinschen.de>
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On May  7 16:46, Corinna Vinschen wrote:
> On May  7 10:09, Chris J. Breisch wrote:
> > Corinna Vinschen wrote:
> > >And here's a problem which I'm not sure how to solve at all:
> > >
> > >When calling the latest mkpasswd, the primary group of the local
> > >user account backing the Microsoft Account will *still* be "None".
> > >
> > >The reason is that the local account is just the same old account
> > >as usual.  Its default primary group *is* "None".
> > >
> > >Only when logging in via the Micosoft Account email address, the
> > >user token will not reflect what's stored in the local SAM, but
> > >will have been changed by the OS as outlined in this thread.
> > >
> > >So, when a user decides to create a passwd file rather than using
> > >the SAM/DB code in Cygwin, the information generated by mkpasswd
> > >will not match the user token, and the primary group stored in
> > >/etc/passwd will not even be available at all in the user token.
> > >
> > >I have not the faintest idea how to workaround this schizophrenia.
> > >
> > >
> > >Corinna
> > >
> > Oh wow. It took me two reads of this to understand it. Caffeine is
> > finally kicking in, I guess. Unless you just want to hard code the
> > primary group that mkpasswd generates to "Users" for any account
> > that it would tend to want to set as "None". That would be some
> > smelly code though.
>=20
> Hmm, but it might fix a couple of problems.  If we go ahead and
> always convert the "None" primary group to "Users", we'd have a
> pretty stable state, which works nicely for local accounts,
> independently of habving logged in as normal account or as Microsoft=20
> Account.  This might be the easiest workaound, in fact.

I created a new snapshot on http://cygwin.com/snapshots/ which
introduces the following behaviour, which is a bit less intrusive:

If a local account is connected to a Microsoft Account, the primary
group defaults to "Users".  If it's a normal local accout it defaults
to "None", as usual.  This also covers mkpasswd from the snapshot.=20=20

This does not work if you continue to use an already existing
/etc/passwd file.  I have no good solution for this sccenario, other
than a (yet to be written) FAQ entry.

Hope that helps nevertheless.


Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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