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Date: Thu, 13 Nov 2014 23:17:06 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: /usr/local, /var and */tmp in c:\Users\Public
Message-ID: <20141113221706.GX2782@calimero.vinschen.de>
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References: <81578012-FD3F-4463-BC56-ADB092317DD4 AT etr-usa DOT com> <CABa6CEkRV=3FY6ZVGrdt--rH3PppwCJRD5poU0L2knv2k2ce_w AT mail DOT gmail DOT com> <25F385A9-3E2D-44FC-998F-D2672F67DFE4 AT etr-usa DOT com> <m40npq$vrq$1 AT ger DOT gmane DOT org> <ECD073FF-B78C-4D19-8DE1-5F4E390D2495 AT etr-usa DOT com> <20141113093335 DOT GI2782 AT calimero DOT vinschen DOT de> <40005E53-A327-4E4A-8C71-514E505F9FBC AT etr-usa DOT com> <20141113213005 DOT GV2782 AT calimero DOT vinschen DOT de> <B19F8A26-44EB-46E6-A1DE-EC4E32274A35 AT etr-usa DOT com>
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On Nov 13 14:39, Warren Young wrote:
> On Nov 13, 2014, at 2:30 PM, Corinna Vinschen <corinna-cygwin AT cygwin DOT com>=
 wrote:
>=20
> > On Nov 13 14:09, Warren Young wrote:
> >>=20
> >> http://etr-usa.com/cygwin/ls-perms.png
> >=20
> > icacls output would be more helpful than a picture.
>=20
> $ icacls ls.exe
> ls.exe MOSSYMAZE\Warren:(F)
>        MOSSYMAZE\Warren:(RX)
>        Everyone:(RX)
>=20
> > It doesn't work when running under a non-admin account.
>=20
> Every other Windows setup program is playing by that same restriction.

Setup tries to install with (explicit) POSIX permissions, not with
(inherited) Windows permissions.  It's not quite the same thing.

> > However, the *other* idea is that if you install with an elevated Setup,
> > your account is an admin account anyway.  Ideally when you install
> > Cygwin for multiple users, you're using an account you're not using for
> > daily usage.
>=20
> Couldn=E2=80=99t the Cygwin non-user files be owned by SYSTEM instead of =
the installing user?

In a corporate model this might make sense, but for the home user?  I'm
not so sure about SYSTEM, though.  Administrator/Administrators sounds
right to me.  SYSTEM?  Hmm.  As I said, at one point back in the early
1.7 days setup did something like that, but we got complaints.  I don't
remember the details.  But if we do something like that again, it should
be configurable.  Maybe the "Just Me"/"All users" choice is sufficient
if explained sufficiently in the GUI?

Also, who's going to do that?  The coding part, I mean.  Lots of what's
required is already in setup, but I can't write it often enough (it's
an obsession probably): I would be very glad for developers not shy
making their hands dirty.


Corinna

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

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