Re: [PATCH v6 7/7] ima: add policy support for the new file open MAY_OPENEXEC flag

Mickaël Salaün
2020-07-16T14:40:40Z

On 15/07/2020 22:40, Kees Cook wrote:
> On Tue, Jul 14, 2020 at 08:16:38PM +0200, Mickaël Salaün wrote:
>> From: Mimi Zohar <zohar@linux.ibm.com>
>>
>> The kernel has no way of differentiating between a file containing data
>> or code being opened by an interpreter. The proposed O_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-by: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
>> Acked-by: Mickaël Salaün <mic@digikod.net>
>
> (Process nit: if you're sending this on behalf of another author, then
> this should be Signed-off-by rather than Acked-by.)

I'm not a co-author of this patch.