Messages in this thread | | | From | Rajat Jain <> | Date | Mon, 2 Aug 2021 11:49:44 -0700 | Subject | Re: [PATCH v3] thunderbolt: For dev authorization changes, include the actual event in udev change notification |
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On Mon, Aug 2, 2021 at 8:07 AM Mika Westerberg <mika.westerberg@linux.intel.com> wrote: > > Hi Rajat, > > On Fri, Jul 30, 2021 at 04:53:04PM -0700, Rajat Jain wrote: > > For security, we would like to monitor and track when the thunderbolt > > devices are authorized and deauthorized (i.e. when the thunderbolt sysfs > > "authorized" attribute changes). Currently the userspace gets a udev > > change notification when there is a change, but the state may have > > changed (again) by the time we look at the authorized attribute in > > sysfs. So an authorization event may go unnoticed. Thus make it easier > > by informing the actual change (new value of authorized attribute) in > > the udev change notification. > > > > The change is included as a key value "authorized=<val>" where <val> > > is the new value of sysfs attribute "authorized", and is described at > > Documentation/ABI/testing/sysfs-bus-thunderbolt under > > /sys/bus/thunderbolt/devices/.../authorized > > > > Signed-off-by: Rajat Jain <rajatja@google.com> > > I did some tiny changes to the title, commit message and the comment and > applied to thunderbolt.git/next, thanks!
Thank you!
Rajat
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