On Wed, 2016-12-28 at 13:42 +0100, Pascal Hambourg wrote:
> Le 28/12/2016 à 11:19, Nimrod a écrit :
> >
> >> I guess I have to specify suitable permission in the above file. I
> >> tried with:
> >>
> >> ENV{ID_FS_USAGE}=="filesystem|other|crypto",
> >> ENV{UDISKS_FILESYSTEM_SHARED}="1", GROUP="users", MODE="0660"
> >>
> >> (on a single line), but it seems that GROUP and MODE are simply
> >> ignored.
> >
> > Sorry, I'm wrong again: the above line actually sets suitable permission
> > on /dev/sr0.
>
> Anyway I do not think that it helps.
>
> > So the problem is at mount point level. The cdrom is
> > mounted under /media/CDROM, but whatever permission I give to /media the
> > CDROM subdirectory is owned by user 1000 and nobody can umount it except
> > user 1000 (that's me, but if another user mount it, "eject" prompts me
> > with my own credentials in order to actually eject the CDROM).
>
> AFAIK, the ability for anyone to unmount the filesystem is not related
> to the permissions on the mount point but to the "users" mount option.
>
> > I didn't find any way to mount /media/CDROM avoiding this annoying
> > behaviour.
>
> Mount with a line in /etc/fstab with options noauto,users.
Well, actually that worked, but I was looking for a completely "udev"
solution. Nevertheless, I'm happy with this solution too, so I marked
the thread as solved.
Thanks and happy new year to everybody!
>
