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From: Mimi Zohar <zohar@linux.ibm.com>
To: Eric Snowberg <eric.snowberg@oracle.com>
Cc: dmitry.kasatkin@gmail.com, jmorris@namei.org, serge@hallyn.com,
	dhowells@redhat.com, geert@linux-m68k.org,
	gregkh@linuxfoundation.org, nayna@linux.ibm.com,
	tglx@linutronix.de, bauerman@linux.ibm.com, mpe@ellerman.id.au,
	linux-integrity@vger.kernel.org,
	linux-security-module@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH 1/2] ima: Implement support for uncompressed module appended signatures
Date: Thu, 06 Feb 2020 14:10:17 -0500	[thread overview]
Message-ID: <1581016217.5585.449.camel@linux.ibm.com> (raw)
In-Reply-To: <73919AC1-E13A-4B35-B811-B0FFBC7E8644@oracle.com>

On Thu, 2020-02-06 at 12:01 -0700, Eric Snowberg wrote:
> > On Feb 6, 2020, at 11:05 AM, Mimi Zohar <zohar@linux.ibm.com> wrote:
> > 
> > On Thu, 2020-02-06 at 11:42 -0500, Eric Snowberg wrote:
> >> Currently IMA can validate compressed modules containing appended
> >> signatures.  This adds the ability to also validate uncompressed
> >> modules when appraise_type=imasig|modsig.
> >> 
> >> Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
> > 
> > Your patch description in no way matches the code.
> > 
> 
> How about if I changed the description to the following:
> 
> Currently IMA can only validate compressed modules containing appended
> signatures when appraise_type=imasig|modsig.  An uncompressed module that 
> is internally signed must still be ima signed.  
> 
> Add the ability to validate the uncompress module by validating it against
> keys contained within the .builtin_trusted_keys keyring. Now when using a
> policy such as:
> 
> appraise func=MODULE_CHECK appraise_type=imasig|modsig
> 
> It will load modules containing an appended signature when either compressed
> or uncompressed.

We - Nayna and I - will be commenting on the cover letter shortly.  I
think that will help clarify the problem(s).

Mimi


  reply	other threads:[~2020-02-06 19:10 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-06 16:42 [RFC PATCH 0/2] ima: uncompressed module appraisal support Eric Snowberg
2020-02-06 16:42 ` [RFC PATCH 1/2] ima: Implement support for uncompressed module appended signatures Eric Snowberg
2020-02-06 17:07   ` Lakshmi Ramasubramanian
2020-02-06 17:30     ` Eric Snowberg
2020-02-06 18:05   ` Mimi Zohar
2020-02-06 19:01     ` Eric Snowberg
2020-02-06 19:10       ` Mimi Zohar [this message]
2020-02-06 16:42 ` [RFC PATCH 2/2] ima: Change default secure_boot policy to include " Eric Snowberg
2020-02-06 20:22 ` [RFC PATCH 0/2] ima: uncompressed module appraisal support Nayna
2020-02-06 21:40   ` Eric Snowberg
2020-02-07 14:51     ` Mimi Zohar
2020-02-07 16:57       ` Eric Snowberg
2020-02-07 17:40         ` Mimi Zohar
2020-02-07 17:49           ` Eric Snowberg
2020-02-07 18:28             ` Mimi Zohar
2020-02-07 18:45               ` Eric Snowberg
2020-02-07 18:54                 ` Mimi Zohar
2020-02-07 21:38                   ` Eric Snowberg
2020-02-08 23:43                     ` Mimi Zohar
2020-02-10 16:34                       ` Eric Snowberg
2020-02-10 17:09                         ` Mimi Zohar
2020-02-10 19:24                           ` Eric Snowberg
2020-02-10 20:33                             ` Mimi Zohar
2020-02-11 17:33                               ` Eric Snowberg
2020-02-12 14:04                                 ` Nayna
2020-02-13 15:32                                   ` Eric Snowberg

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