linux-kernel - Re: [PATCH v1 3/6] KEYS: ima hook to measure builtin_trusted

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Date:   Wed, 23 Oct 2019 13:03:21 -0400
From:   Mimi Zohar <zohar@...ux.ibm.com>
To:     Lakshmi Ramasubramanian <nramas@...ux.microsoft.com>,
        dhowells@...hat.com, casey@...aufler-ca.com, sashal@...nel.org,
        jamorris@...ux.microsoft.com,
        linux-security-module@...r.kernel.org,
        linux-integrity@...r.kernel.org, linux-kernel@...r.kernel.org,
        keyrings@...r.kernel.org
Subject: Re: [PATCH v1 3/6] KEYS: ima hook to measure builtin_trusted_keys

On Wed, 2019-10-23 at 07:49 -0700, Lakshmi Ramasubramanian wrote:
> On 10/23/19 6:22 AM, Mimi Zohar wrote:
> 
> Thanks for reviewing the changes Mimi.
> I'll address your comments and post an updated patch set shortly.
> 
> >> Add a new ima hook to measure keys added to builtin_trusted_keys
> >> keyring.
> > 
> > There is no IMA hook in this patch.
> > 
> 
> >> +			else if (strcmp(args[0].from,
> >> +					"BUILTIN_TRUSTED_KEYS") == 0)
> >> +				entry->func = BUILTIN_TRUSTED_KEYS;
> >>   			else
> >>   				result = -EINVAL;
> >>   			if (!result)
> > 
> > Any new options need to be displayed as well.
> 
> Not that I can think of. Please correct me if I am wrong.

True, since you're hard coding the policy.