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Re: [Xen-devel] [PATCH] [Xend] Move some backend configuration

To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] [Xend] Move some backend configuration
From: John Levon <levon@xxxxxxxxxxxxxxxxx>
Date: Tue, 30 Sep 2008 17:35:37 +0100
Cc: Pascal Bouchareine <pascal@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, "Daniel P. Berrange" <berrange@xxxxxxxxxx>
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On Tue, Sep 30, 2008 at 05:09:21PM +0100, Keir Fraser wrote:

> > Console data
> > 
> >  /local/domain/%d/console/vnc-port
> >  /local/domain/%d/console/tty
> Duplicating this pair of nodes sounds fine to me, *but* then libvirt is
> simply remaining vulnerable to the kind of attack we're are looking to
> avoid? Can any good really come from keeping the old locations?

Why isn't xenstored refusing writes/deletes from domid != 0 for these ?
Isn't this a much better fix?

It's ugly, but the mistake was made a long time ago, and it seems like
it should be lived with.

BTW, the ability to change the name or whatever also seems suspect,
though most likely less serious.


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