Re: [Qemu-devel] [PATCH 0/2] block: Introduce "json-file:" protocol

[Fam Zheng <famz@redhat.com>]

On Tue, 11/03 07:35, Daniel P. Berrange wrote:
> On Tue, Nov 03, 2015 at 03:01:16PM +0800, Fam Zheng wrote:
> > This would be a safer channel when we want to provide block options that
> > contain sensitive information, such as fields for authentication.
> 
> If passing of security sensitive data is the motivation for this,
> then I don't think we want it really. This approach merely avoids
> the config being visible in the process listing, which is really just
> one problem. When people file bugs they are going to need to provide
> the block device config, and that still going to contain sensitive
> info and thus leak. Similarly apps generating block config like libvirt
> are still going to be logging the block config they generate, which is
> again going to leak secrets. Finally, we need the ability to pass
> security sensitive data to QEMU in many other areas besides block devices
> so need a more general mechanism
> 
> I've proposed a way to provide secrets to QEMU in a way that is
> usable across all QEMU backends, that I think is a much better
> approach because it totally decouples the sensitive data from
> the rest of the config data, rather than having it inline
> 
>   https://lists.gnu.org/archive/html/qemu-devel/2015-10/msg04365.html
> 

Apparently I've overlooked your post, thanks for pointing out. I think your
solution covers everything this series has to do.

Fam