Hello Stephen.

On Thu, 01/12/2016 at 13.03 -0500, Stephen Smalley write:
> On 12/01/2016 12:28 PM, Guido Trentalancia wrote:
> > 
> > Hello again Stephen and Paul.
> > 
> > On Thu, 01/12/2016 at 10.57 -0500, Stephen Smalley wrote:
> > > 
> > > On 12/01/2016 10:07 AM, Stephen Smalley wrote:
> > 
> > [...]
> > 
> > > 
> > > A couple of notes on this change:
> > > 
> > > - To fully test (beyond just confirming that it doesn't break
> > > anything
> > > when the policy capability is not defined), we'll need a patched
> > > libsepol and policy (and unfortunately it requires patching the
> > > base
> > > policy; can't be done via a policy module).  Can certainly
> > > provide
> > > those
> > > too but figured I'd wait to see the response to the kernel patch
> > > first.
> > 
> > The libsepol patch is straightforward.
> > 
> > You can have a look at the one I have posted on the 23rd of August
> > 2016
> > under the subject "[PATCH] Update libsepol to support the policy
> > capability for AF_ALG sockets" and adapt it to the new policy
> > capability name and to the fact that you are now removing the
> > Redhat
> > policy capability.
> > 
> > As for the Reference Policy patch, if you want, I can forward to
> > you
> > the one that I had created at that time for the ALG_SOCKET family,
> > so
> > that you can adapt it to the multiple socket types.
> > 
> > Same thing for the SELinux Testsuite patch: if you want, I can
> > forward
> > to you the one that I had created at that time for the ALG_SOCKET
> > family and that would be enough for testing the new capability
> > because
> > it's representative of all the new socket types.
> > 
> > With kind regards,
> 
> Actually, I realized belatedly that CIL makes it possible to enable
> testing of this change just through a policy module.  Attached is a
> CIL
> policy module that one can insert via semodule -i
> testextsockclass.cil (caveat: may break your system if using any of
> these socket classes). Also attached is the libsepol patch.  So now I
> just need a test case - will have a look at your AF_ALG patch.

The libsepol patch looks fine to me, provided that, as you say, it
doesn't break anything on Redhat systems.

Regards,

Guido
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