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X-HELO:	calimero.vinschen.de
Date:	Fri, 17 Apr 2015 12:06:46 +0200
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: [TESTERS needed] New POSIX permission handling
Message-ID:	<20150417100646.GR3657@calimero.vinschen.de>
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On Apr 17 09:30, Corinna Vinschen wrote:
> Hi Ismail,
>=20
> On Apr 16 09:48, Ismail Donmez wrote:
> > Corinna Vinschen-2 wrote
> > > On Apr 16 09:09, Ismail Donmez wrote:
> > >> [~/src/mutt]> chmod +x config.status
> > >> chmod: changing permissions of =E2=80=98config.status=E2=80=99: Perm=
ission denied
>=20
> This is really surprising.
>=20
> > [~/src/mutt]> icacls config.status
> > config.status NULL SID:(DENY)(Rc,S,REA,X,DC)
> >               UX31A\ismail:(F)
> >               UX31A\ismail:(RX)
> >               NT AUTHORITY\SYSTEM:(RX,W,DC)
> >               BUILTIN\Administrators:(RX,W,DC)
> >               Everyone:(RX)
> >=20
> > Successfully processed 1 files; Failed processing 0 files
> >=20
> > [~/src/mutt]> icacls .
> > . NULL SID:(DENY)(Rc,S,REA,X,DC)
> >   UX31A\ismail:(F)
> >   UX31A\ismail:(RX)
> >   NT AUTHORITY\SYSTEM:(RX,W,DC)
> >   BUILTIN\Administrators:(RX,W,DC)
> >   Everyone:(RX)
> >   NULL SID:(OI)(CI)(IO)(DENY)(Rc,S,REA,X,DC)
> >   CREATOR OWNER:(OI)(CI)(IO)(F)
> >   CREATOR GROUP:(OI)(CI)(IO)(RX)
> >   NT AUTHORITY\SYSTEM:(OI)(CI)(IO)(RX,W,DC)
> >   BUILTIN\Administrators:(OI)(CI)(IO)(RX,W,DC)
> >   Everyone:(OI)(CI)(IO)(RX)
>=20
> I created the exact same scenario with the exact same ACLs, just with my
> own account as user and group, and I can't reproduce a "Permission
> denied".  chmod simply works for me.  Weird.
>=20
> While looking into this I found some other problems in this owner=3D=3Dgr=
oup
> scenario, so I applied a few patches.  I'm just creating new developer
> snapshots and a 2.0.0-0.6 test release.
>=20
> It would be nice if you could update, test again, and if the problem
> still occurs, I think I'll need an strace of the above chmod call as
> in:
>=20
>   $ strace -o chmod.trace chmod +x config.status
>=20
> This combined with the icacls of the ACLs of config.status and the
> parent dir, just to be sure the new Cygwin created the same ACLs.

I think I found the culprit.  I'll uploade a -0.7 test release in
the next hour or so.


Thanks for testing,
Corinna

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

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