Re: [PATCH] selinux: enable per-file labeling for debugfs files.

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On Wed, May 20, 2015 at 12:24:50PM -0400, Stephen Smalley wrote:
> On 05/20/2015 12:20 PM, Dominick Grift wrote:
> > On Wed, May 20, 2015 at 12:13:18PM -0400, Stephen Smalley wrote:
> >> On 05/20/2015 12:04 PM, Dominick Grift wrote:
> >>> On Wed, May 20, 2015 at 11:59:34AM -0400, Stephen Smalley wrote:
> >>>> On 05/20/2015 11:51 AM, Dominick Grift wrote:
> >>>>> On Tue, May 19, 2015 at 03:46:06PM -0400, Stephen Smalley wrote:
> > 
> >>>> The original motivating use case for per-file labeling for sysfs was
> >>>> libvirt labeling of specific sysfs nodes to make them accessible to
> >>>> specific virtual machines (qemu instances).  In that scenario, we needed
> >>>> userspace to be able to drive the labeling based on more than just the
> >>>> pathname and so genfs_contexts wasn't suitable.
> > 
> > I do not think that is applicable anymore (although i may be wrong)
> 
> Not sure what you mean, but to clarify, I mean that libvirt has to set
> the context (at least the categories for MCS and possibly the type as
> well) on any sysfs node that needs to be accessible by the qemu
> instance.  At least that used to be the case.
> 

That is what i mean. I am not aware of any such scenario's today. Again, I might be overlooking it.

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