[Libvir] PATCH: Don't request polkit auth if client is root
Daniel P. Berrange
berrange at redhat.com
Fri Apr 4 11:48:26 UTC 2008
On Fri, Apr 04, 2008 at 09:55:50AM +0200, Jim Meyering wrote:
> "Daniel P. Berrange" <berrange at redhat.com> wrote:
> > This patch makes two adjustments to the way policy kit authentication is
> > done.
> > - Currently the server unconditionally ask the client to do policykit
> > authentication. This is unnecessary if the remote client is running
> > as root, which we can check via UNIX socket credentials. Unconditionally
> > asking plays havoc with SSH tunneling, so this patch makes it check the
> > socket credentials ¬ ask for auth if the client is UID==0
> > - The virsh client will unconditionally call polkit-auth to request
> > credentials. This is also unneccessary if the client is running as
> > root, so this patch makes it skip that step as root.
> > The patch is bigger than it seems because removing an if() conditional
> > made a huge chunk be re-indented.
> Good idea. Looks fine.
> [BTW, thanks for the SO_PEERCRED example -- I didn't know about it,
> and was surprised to find so little documentation on it. ]
There's lots more variants on this for other OS - DBus has a whole bunch of
different implementations. Unfortunatley DBus is GPL/AFL licensed so I don't
believe we can use their code for that directly.
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