[libvirt] [PATCH] Allow root users to have their own configuration file
Daniel P. Berrange
berrange at redhat.com
Thu Sep 12 10:12:22 UTC 2013
On Thu, Sep 12, 2013 at 12:07:54PM +0200, Martin Kletzander wrote:
> On 09/12/2013 12:00 PM, Daniel P. Berrange wrote:
> > On Thu, Sep 12, 2013 at 11:53:32AM +0200, Martin Kletzander wrote:
> >> Currently, we have two configuration file paths, one global (where
> >> "global" means root-only and we're probably not changing this in near
> >> future) and one per-user. Unfortunately root user cannot use the
> >> second option because until now we were choosing the file path
> >> depending only on whether the user is root or not.
> >>
> >> This patch modifies the mentioned behavior for root only, allowing him
> >> to set his own configuration files without changing anything in
> >> system-wide configuration folders.
> >>
> >> This also makes the virsh-uriprecedence test pass its first test case
> >> when ran as root.
> >>
> >> Signed-off-by: Martin Kletzander <mkletzan at redhat.com>
> >> ---
> >>
> >> Notes:
> >> I'm playing along previously mentioned "proper behavior" in this
> >> patch. However, IMNSHO, our "global" or "system-wide" configuration
> >> file (defaulting to '/etc/libvirt/libvirt.conf') should be accessible
> >> for all users since this has no security impact (security information
> >> may be in files 'libvirtd.conf' or 'qemu.conf'). This file should be
> >> also read and used for all users. After that, settings in user
> >> configuration file (defaulting to '~/.config/libvirt/libvirt.conf')
> >> may override some of these settings for that user.
> >>
> >> This is how all sensible configurations are loaded and that's also
> >> what I'd prefer. Unfortunately some developers feels this should be
> >> done in completely different way.
> >>
> >> src/libvirt.c | 56 ++++++++++++++++++++++++++++++++++++--------------------
> >> 1 file changed, 36 insertions(+), 20 deletions(-)
> >
> > NACK to this. The root user already has their own dedicated configuration
> > file, /etc/libvirt/libvirt.conf. The /etc/libvirt directory permissions
> > prevent *any* file there being read by non-root, so the /etc/libvirt/libvirt.conf
> > file could not be used by non-root.
> >
>
> As mentioned in the commit message, this patch doesn't change the
> behavior for non-root users, that's only a nag in the notes.
>
> The only thing that changes after applying this patch is that *iff* ran
> as root, we'll *also* check "${XDG_CONFIG_HOME}/libvirt/libvirt.conf".
I don't see any point in doing that at all. Root already has a config
file exclusively for their own use. They don't need 2.
Daniel
--
|: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :|
|: http://libvirt.org -o- http://virt-manager.org :|
|: http://autobuild.org -o- http://search.cpan.org/~danberr/ :|
|: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :|
More information about the libvir-list
mailing list