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

To: "Daniel P. Berrange" <berrange@xxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] [Xend] Move some backend configuration
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Tue, 30 Sep 2008 17:46:04 +0100
Cc: Pascal Bouchareine <pascal@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, John Levon <levon@xxxxxxxxxxxxxxxxx>
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On 30/9/08 17:35, "Daniel P. Berrange" <berrange@xxxxxxxxxx> wrote:

>> 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?
> Given that this is security sensitive, I have no objection to updating
> libvirt to read from the new locations. The only thing I need to work
> out is a reliable way to choose when to use the new location, vs the
> looking at old location (for compat with existing deployments).

That's an interesting question. Obviously you don't want to race their
creation and go down the unsafe path unnecessarily.

We could add a node to xenstore, or append version/feature info to the pid
file? Do you have a preference?

 -- Keir

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