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X-HELO:	calimero.vinschen.de
Date:	Wed, 23 Dec 2015 11:50:15 +0100
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: setfacl(2.4.0.15): for next year !!!!!
Message-ID:	<20151223105015.GB27818@calimero.vinschen.de>
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On Dec 22 15:42, Houder wrote:
> On 2015-12-22 12:37, Houder wrote:
> >On 2015-12-21 18:25, Corinna Vinschen wrote:
> >>On Dec 21 17:30, Houder wrote:
> >>>Hi Corinna,
> >>>
> >>>For next year !!!!! (posted as a reminder) ... See below.
> >>
> >>Next year?  Nope... see below.
> >>
> >
> >Hi Corinna,
> >
> >Thank you for all the hard work you do ...
> >
> >As an encore (for this year though ;-). See below (Cygwin-2.4.0-0.16).
> ><=3D=3D=3D=3D 16
> [snip]
>=20
> >64-%% setfacl -m m:rwx bar.txt
> >64-%% getfacl bar.txt
> ># file: bar.txt
> ># owner: Henri
> ># group: None
> >user::rw-
> >group::r--
> >mask:rwx <=3D=3D=3D=3D yes, as requested by me, but ...
> >other:r--
> >
> >64-%% ls -l bar.txt
> >-rw-rwxr-- 1 Henri None 0 Dec 22 12:21 bar.txt
> >
> > - does this output make sense?
> >   (no access to Linux at the moment; cannot verify)
>=20
> Just got myself access to Linux (FC19) ... old, yes.
>=20
> FC19 has the same "weird" (to me) behaviour as Cygwin now has.

It's correct.  The rule is that the group perms reflect the mask
if a mask is present, the primary group perms otherwise.

> The
> difference is that 'ls -l' on FC19 shows an additional plus sign.

This is a problem in ls itself.  The reason is that with the start of
reimplementing the ACL handling (back in August 2014), the definition of
MIN_ACL_ENTRIES changed from 4 to 3.

I recall having a discussion with eblake (coreutils maintainer) via IRC
in 2014 where we discussed this.  At that time the mask entry was only
fasked, so we came up with the fact that there's never an aclent_t with
4 entries, so ls is still using the old definition to maintain backward
compat.

With the new code in 2.4.0 it's probably time to drop this Cygwin-specific
workaround in coreutils (but it doesn't hurt much either).


Corinna

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

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