Re: [PATCH 12/19] CacheFiles: Permit a process's create SID to beoverridden

[James Morris]

On Wed, 15 Nov 2006, David Howells wrote:

> James Morris <jmorris@xxxxxxxxx> wrote:
> 
> > The ability to set this needs to be mediated via MAC policy.
> 
> Something like this, you mean?

Yes, although perhaps writing to tsec->kern_create_sid or similar, which 
then overrides tsec->create_sid if set.  Also need 
/proc/pid/attr/kern_fscreate as a read only node.


> +	error = task_has_perm(current, current, PROCESS__SETFSCREATE);

I wonder if we also need 'relabelto' and 'relabelfrom' permissions, to 
control which labels are being used.



- James
-- 
James Morris
<jmorris@xxxxxxxxx>
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