LSM root_plug module questions

From: David Härdeman (david_at_2gen.com)
Date: 08/30/05

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    Date:	Tue, 30 Aug 2005 23:31:13 +0200
To: linux-kernel@vger.kernel.org

    Hi,

    I'm currently playing around with the security/root_plug.c LSM module
    and I have two questions:

    1) What's the recommended way of telling that someone is logging in to
    the computer (via ssh, virtual console, serial console, X, whatever)
    with LSM? Look for open() on /dev/pts?

    2) root_plug currently scans the usb device tree looking for the
    appropriate device each time it's needed. In the interest of making the
    result of the lookup cached, it is possible for a module to register so
    that it is notified when a usb device is added/removed?

    Regards,
    David

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