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SubjectRe: [PATCH 2/2] ima: Support appraise_type=imasig_optional
On Wed, Feb 13, 2013 at 05:29:43PM +0200, Kasatkin, Dmitry wrote:
> On Wed, Feb 13, 2013 at 5:26 PM, Kasatkin, Dmitry
> <dmitry.kasatkin@intel.com> wrote:
> > On Wed, Feb 13, 2013 at 4:38 PM, Vivek Goyal <vgoyal@redhat.com> wrote:
> >> On Wed, Feb 13, 2013 at 03:36:45PM +0200, Kasatkin, Dmitry wrote:
> >>> It should not be the only line in the policy.
> >>> Can you share full policy?
> >>
> >> I verified by putting some printk. There is only single rule in
> >> ima_policy_rules list after I have updated the rules through "policy"
> >> file.
> >>
> >> echo "appraise fowner=0 func=BPRM_CHECK appraise_type=imasig_optional" >
> >> /sys/kernel/security/policy
> >
> > There is a default policy which has several rules.
> >
> > And when you do your "echo" you will replace all rules with that single rule.
> > But ok, you have one rule only and it is fine to have even a single rule...
> >
>
> What I have not said yet it is that in your case, because you use only
> BPRM_CHECK hook,
> you do not need "dont_appraise" and "dont_measure" rules for pseudo filesystems.

Agreed.

Thanks
Vivek


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