Messages in this thread | | | Subject | Re: [PATCH v2] ima: add the ability to query the hash of a given file. | From | Mimi Zohar <> | Date | Wed, 15 Jan 2020 13:36:07 -0500 |
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On Mon, 2020-01-13 at 11:48 +0100, KP Singh wrote: > On 06-Jan 17:25, Florent Revest wrote: > > From: Florent Revest <revest@google.com> > > > > This allows other parts of the kernel (perhaps a stacked LSM allowing > > system monitoring, eg. the proposed KRSI LSM [1]) to retrieve the hash > > of a given file from IMA if it's present in the iint cache. > > > > It's true that the existence of the hash means that it's also in the > > audit logs or in /sys/kernel/security/ima/ascii_runtime_measurements, > > but it can be difficult to pull that information out for every > > subsequent exec. This is especially true if a given host has been up > > for a long time and the file was first measured a long time ago. > > > > This is based on Peter Moody's patch: > > https://sourceforge.net/p/linux-ima/mailman/message/33036180/ > > > > [1] https://lkml.org/lkml/2019/9/10/393 > > > > Signed-off-by: Florent Revest <revest@google.com> > > Thanks for adding this Florent! > > Reviewed-by: KP Singh <kpsingh@chromium.org>
Thanks, this patch is now queued in next-integrity-testing.
Mimi
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