Re: chmod 670
Owen Townend <firstname.lastname@example.org>:
> On Tue, 2007-11-13 at 13:25 -0300, Patricio Rojo wrote:
> > I recently noticed that strange things happen if you do 'chmod 670' on
> > a directory that you own, and whose group is set to one you belong.
> > - If you try 'ls', then its contents are shown
> > - If you try 'cd' to it, you get permission denied.
You need execute permission on a dir to do anything to it. Without
it, you can still access files in it if you know the files' names.
> > - If you try 'ls -l', you get many interrogation signs (?????) instead
> > of the properties of the file.
> > - If the user is changed to someone other than you, but the group
> > remains the same, then you get full access.
> > Since the permissions are set to full access to the group, and I'm
> > part of that group, shouldn't I get full access to the directory?
> > Anyways, getting many '????' is very awkward.
> It's my understanding that it is a linear check for permission. UID,
Agreed. User (ugo) doesn't have x, fail.
> then GID, then world permissions stopping at a match rather than
> aggregating the three. This would explain the behaviour.
Any technology distinguishable from magic is insufficiently advanced.
(*) http://blinkynet.net/comp/uip5.html Linux Counter #80292
- - http://www.faqs.org/rfcs/rfc1855.html Please, don't Cc: me.
- chmod 670
- From: Patricio Rojo <email@example.com>
- Re: chmod 670
- From: Owen Townend <firstname.lastname@example.org>