Re: [PATCH 2/2] ima: Support appraise_type=imasig_optional

[Kasatkin, Dmitry]

On Wed, Feb 13, 2013 at 5:26 PM, Kasatkin, Dmitry
<dmitry.kasatkin@xxxxxxxxx> wrote:
> On Wed, Feb 13, 2013 at 4:38 PM, Vivek Goyal <vgoyal@xxxxxxxxxx> 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.


>>
>> Thanks
>> Vivek
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