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Date:	Fri, 11 Apr 2014 12:16:52 +1000
From:	Duncan Roe <duncan_roe AT acslink DOT net DOT au>
To:	cygwin AT cygwin DOT com
Subject:	Re: Still testing needed: New passwd/group AD/SAM integration
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On Thu, Apr 10, 2014 at 09:11:20PM +0200, Corinna Vinschen wrote:
> On Apr 10 12:42, Warren Young wrote:
> > On 4/10/2014 08:53, Corinna Vinschen wrote:
> > >* Support for Cygwin user names different from the Windows username.
> > >
> > >   This is a really fat problem.
> >
> > Who needs this functionality?
>
> I don't remember, but some user on this list wrote in February about how
> he uses this for... something.  Something to do with logging in to other
> machines or so.
>
> > Is it some legacy of passwd(5) compatibility, such as the wish to
> > have colons in Windows login names?
>
> No, it's just some legacy of how we allow this for /etc/passwd and
> /etc/group.  See, for instance entries like
>
>   root:S-1-5-21-544:0:
>
> to fake a root group backed by the administrators group.  It
> seemed like a good idea at the time (2000 or so) and this would
> not be possible anymore.  But, in fact, I was trying to make sure
> all the time that our applications don't rely on this.  And if we
> actually have an application which relies on this, it's a bug.
>
> > Does the move to AD/SAM eliminate the original need, so that you
> > actually have *two* reasons to stop paying the runtime expense?
>
> I never had this need.  To me it was just a funny extension.  But maybe
> other users are using this, so I'm a bit unlucky now that I invented it
> in the first place.
>
>
> Corinna
>
Yes, I'm one of those users. I need my login name to match the Linux systems so
I can use rsh and not be challenged for a password when the cygwin host name is
in ~/.rhosts

Cheers ... Duncan.

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