[Bug 191777] New: sysutils/nut: messes up permissions in /dev and causes all sorts of problems

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=191777

            Bug ID: 191777
           Summary: sysutils/nut: messes up permissions in /dev and causes
                    all sorts of problems
           Product: Ports Tree
           Version: Latest
          Hardware: amd64
                OS: Any
            Status: Needs Triage
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: freebsd-ports-bugs at FreeBSD.org
          Reporter: beastie at tardisi.com

FreeBSD 9.2-RELEASE-p7 #0: Tue Jun  3 11:05:13 UTC 2014    
root at amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC

new with nut-2.7+ is /usr/local/etc/devd/nut-usb.conf

Which might be useful in principle, but only causes problems.

Because it has blocks like this:

notify 100 {
        match "system"          "USB";
        match "subsystem"       "DEVICE";
        match "type"            "ATTACH";
        match "vendor"          "0x0001";
        match "product"         "0x0000";
        action "chgrp _ups /dev/$device-name*; chmod g+rw /dev/$device-name*";
};

Where $device-name is undefined, so it reduces to '/dev/*' for the chgrp and
chmod operations.

The man page says $device-name is one of the variables available for a 'match'
block, makes no mention of it being available with 'notify'.

Only affects users with USB attached UPSs.. so it stumped me for a while on why
it was only happening to this machine.  Plus it was secondary, though now it
might be the true cause, to the endless cycle of panics from updating to
9.1-RELEASE-p10....instead of the backtraces pointing to vboxnet.  Since
rolling back to -p9 didn't solve things...

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