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Subject: Re: [PATCH 2/2] ima: add policy support for the new file open
 MAY_OPENEXEC flag
To:     Mimi Zohar <zohar@linux.ibm.com>, linux-integrity@vger.kernel.org
Cc:     Mickael Salaun <mic@digikod.net>, Steve Grubb <sgrubb@redhat.com>,
        Jann Horn <jannh@google.com>,
        linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org
References: <1588167523-7866-1-git-send-email-zohar@linux.ibm.com>
 <1588167523-7866-3-git-send-email-zohar@linux.ibm.com>
From:   Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
Message-ID: <5c7a4ef6-db0b-431a-b745-987176fa41ed@linux.microsoft.com>
Date:   Wed, 29 Apr 2020 10:22:59 -0700
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On 4/29/20 6:38 AM, Mimi Zohar wrote:
> The kernel has no way of differentiating between a file containing data
> or code being opened by an interpreter.  The proposed RESOLVE_MAYEXEC
> openat2(2) flag bridges this gap by defining and enabling the MAY_OPENEXEC
> flag.
> 
> This patch adds IMA policy support for the new MAY_OPENEXEC flag.
> 
> Example:
> measure func=FILE_CHECK mask=^MAY_OPENEXEC
> appraise func=FILE_CHECK appraise_type=imasig mask=^MAY_OPENEXEC
> 
> Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>

Reviewed.