perms of /dev/uhid0

[Matt Piechota]

On Wed, 26 Nov 2003, Mike Tancsa wrote:

> I know for our setup, there is nothing else that would need to talk to this
> device so I could do something like that.  Not sure of the implications if
> someone unplugged the UPS and put their own device into the port.  The
> physical server is in a locked box, but the UPS is not. So if they somehow
> managed to blow up the daemon by overflowing a buffer, it would be nice
> that its a non root user.  However, I do not try and read more than
> sizeof(buffer) so I dont see any obvious ways...

Looking at /etc/usbd.conf, it appears that you can specify what USB Manuf
and Device ID the UPS is, so it'd only chgrp stuff when the device was the
UPS.  I suppose that wouldn't stop someone who changed their device IDs to
match the UPS, but that seems like a minimal risk.

-- 
Matt Piechota