[libvirt] [PATCH] conf: Drop restrictions on rng backend path

[Daniel P. Berrange]

On Wed, Apr 20, 2016 at 06:19:25PM -0400, Cole Robinson wrote:
> Currently we only allow /dev/random and /dev/hwrng as host input
> for <rng><backend model='random'/> device. This was added after
> various upstream discussions in commit 4932ef45
> 
> However this restriction has generated quite a few complaints over
> the years, so a new discussion was initiated:
> 
> http://www.redhat.com/archives/libvir-list/2016-April/msg00987.html
> 
> Several people suggested removing the restriction, and nobody really
> spoke up to defend it. So this patch drops the path restriction
> entirely

ACK, despite explicit request for details, no one has been able to
give a clear description of a security problem in using urandom.
It has all just been hand-wavey assertions with nothing to back
it up, against other people's analysis showing urandom to be safe.

Regards,
Daniel
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