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 14:09:53 -0500 |
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On Wed, 2020-01-15 at 19:45 +0100, Florent Revest wrote: > On Wed, 2020-01-15 at 13:36 -0500, Mimi Zohar wrote: > > 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. > > Good to hear Mimi! Thank you. > > I would just like to make sure that you queued the v3 of this patch > though...? (this thread is for the v2 :) ) The v3 includes a couple of > comments you asked for.
Oops, yes v3 is queued.
Mimi
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