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From: Tyler Hicks <tyhicks@linux.microsoft.com>
To: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
Cc: zohar@linux.ibm.com, stephen.smalley.work@gmail.com,
	casey@schaufler-ca.com, sashal@kernel.org, jmorris@namei.org,
	linux-integrity@vger.kernel.org, selinux@vger.kernel.org,
	linux-security-module@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v5 4/4] IMA: Handle early boot data measurement
Date: Thu, 30 Jul 2020 15:04:36 -0500
Message-ID: <20200730200436.GY4181@sequoia> (raw)
In-Reply-To: <ea3bba66-9b21-b842-990b-2bf1e4ac2179@linux.microsoft.com>

On 2020-07-30 11:02:50, Lakshmi Ramasubramanian wrote:
> On 7/29/20 8:47 PM, Lakshmi Ramasubramanian wrote:
> 
> Hi Tyler,
> 
> > diff --git a/security/integrity/ima/Kconfig b/security/integrity/ima/Kconfig
> > index 080c53545ff0..86cba844f73c 100644
> > --- a/security/integrity/ima/Kconfig
> > +++ b/security/integrity/ima/Kconfig
> > @@ -322,10 +322,9 @@ config IMA_MEASURE_ASYMMETRIC_KEYS
> >   	depends on ASYMMETRIC_PUBLIC_KEY_SUBTYPE=y
> >   	default y
> > -config IMA_QUEUE_EARLY_BOOT_KEYS
> > +config IMA_QUEUE_EARLY_BOOT_DATA
> >   	bool
> > -	depends on IMA_MEASURE_ASYMMETRIC_KEYS
> > -	depends on SYSTEM_TRUSTED_KEYRING
> > +	depends on SECURITY || (IMA_MEASURE_ASYMMETRIC_KEYS && SYSTEM_TRUSTED_KEYRING)
> >   	default y
> Similar to the change you'd suggested for validating LSM_STATE and
> LSM_POLICY func, I think IMA_QUEUE_EARLY_BOOT_DATA config should be enabled
> for SECURITY_SELINUX.
> 
> depends on SECURITY_SELINUX ||
>            (IMA_MEASURE_ASYMMETRIC_KEYS && SYSTEM_TRUSTED_KEYRING)
> 
> And, when more security modules are added update this CONFIG as appropriate.
> 
> Does that sound okay?

Yes, I think so.

Tyler

> 
>  -lakshmi

      reply index

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-30  3:47 [PATCH v5 0/4] LSM: Measure security module data Lakshmi Ramasubramanian
2020-07-30  3:47 ` [PATCH v5 1/4] IMA: Add func to measure LSM state and policy Lakshmi Ramasubramanian
2020-07-30 15:02   ` Tyler Hicks
2020-07-30 15:15     ` Lakshmi Ramasubramanian
2020-07-30 15:17       ` Tyler Hicks
2020-07-30 16:19     ` Casey Schaufler
2020-07-30 16:33       ` Lakshmi Ramasubramanian
2020-07-30  3:47 ` [PATCH v5 2/4] IMA: Define IMA hooks " Lakshmi Ramasubramanian
2020-07-30 15:04   ` Tyler Hicks
2020-07-30  3:47 ` [PATCH v5 3/4] LSM: Define SELinux function to measure " Lakshmi Ramasubramanian
2020-08-03 15:11   ` Stephen Smalley
2020-08-03 16:14     ` Lakshmi Ramasubramanian
2020-08-03 20:00       ` Stephen Smalley
2020-08-03 20:29         ` Stephen Smalley
2020-08-03 20:37           ` Lakshmi Ramasubramanian
2020-08-03 21:07             ` Stephen Smalley
2020-08-03 22:08               ` Lakshmi Ramasubramanian
2020-08-04 15:20                 ` Stephen Smalley
2020-08-04 15:29                   ` Stephen Smalley
2020-08-04 15:57                     ` Lakshmi Ramasubramanian
2020-07-30  3:47 ` [PATCH v5 4/4] IMA: Handle early boot data measurement Lakshmi Ramasubramanian
2020-07-30 18:02   ` Lakshmi Ramasubramanian
2020-07-30 20:04     ` Tyler Hicks [this message]

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