umask, ACL inheritance and setgid +s not working with copy from flash drive in nautilus

[Tony Arnold]

Everyone seems to have ignored my contribution to this thread. If I'm
wrong just tell me, but please do not just ignore me.

Andy, you might let us know what permissions you were expecting given
the ACL you had set up on the directory.

Yes, and I'm top posting. I really don't care!

Regards,
Tony.

On Tue, 2010-09-14 at 16:51 +0100, Tony Arnold wrote:
> Andy,
> 
> On Tue, 2010-09-14 at 11:31 -0400, Tom H wrote:
> > On Tue, Sep 14, 2010 at 8:06 AM, Andy Graybeal
> > <andy.graybeal at casanueva.com> wrote:
> > > This is a repeat question, I'm going to rephrase it a little and maybe
> > > I'll get a response this time around.
> > >
> > > I'm using Ubuntu 10.04, metacity and nautilus, and linux terminal server
> > > (LTSP).
> > >
> > > My umask is set to 002 in my /etc/X11/Xsession.d.
> > > The filesystem has ACL's enabled.
> > > I have the folder set with setgid +s.
> > >
> > > The ACL's look like this:
> > > andy.graybeal at buddleia:/srv/Desktop/Tech$ getfacl .
> > > # file: .
> > > # owner: root
> > > # group: tech
> > > # flags: -s-
> > > user::rwx
> > > group::rwx
> > > other::r-x
> > > default:user::rwx
> > > default:group::rwx
> > > default:mask::rwx
> > > default:other::r-x
> > >
> > > andy.graybeal at buddleia:/srv/Desktop/Tech$
> > >
> > > Why when I copy a file from a jump/flash drive, does it not inherit the
> > > ACL's properly?
> > > Here is an example of a file I copied from a jump drive:
> > >
> > > andy.graybeal at buddleia:/srv/Desktop/Tech$ ls -lah cabling.txt
> > > -rwx------+ 1 andy.graybeal tech 2.8K 2010-07-28 20:40 cabling.txt
> > > andy.graybeal at buddleia:/srv/Desktop/Tech$
> > 
> > Is "/etc/X11/Xsession.d" the right place for your umask?!
> 
> umask is ignored if there is a default mask entry.
> 
> I think the permissions are correct. The defaults in the ACL say a file
> should get rwxrwxr-x but this is then AND'd with the default mask of rwx
> giving rwx------
> 
> Or am I missing something?
> 
> Regards,
> Tony.
> -- 
> Tony Arnold,                        Tel: +44 (0) 161 275 6093
> Head of IT Security,                Fax: +44 (0) 705 344 3082
> University of Manchester,           Mob: +44 (0) 773 330 0039
> Manchester M13 9PL.                 Email: tony.arnold at manchester.ac.uk
> 
> 

-- 
Tony Arnold,                        Tel: +44 (0) 161 275 6093
Head of IT Security,                Fax: +44 (0) 705 344 3082
University of Manchester,           Mob: +44 (0) 773 330 0039
Manchester M13 9PL.                 Email: tony.arnold at manchester.ac.uk