Date: Mon, 20 Oct 2003 17:45:37 +0200 From: Bernd Walter <ticso@cicely12.cicely.de> To: Poul-Henning Kamp <phk@phk.freebsd.dk> Cc: freebsd-current@freebsd.org Subject: Re: USB problem: /dev/ugen* dynamically auto-reconfigures to root:operator 644, so non-root user unable to access USB devices even if wanted Message-ID: <20031020154536.GE38650@cicely12.cicely.de> In-Reply-To: <9571.1066650290@critter.freebsd.dk> References: <20031020113514.GA875@titan.klemm.apsfilter.org> <9571.1066650290@critter.freebsd.dk>
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On Mon, Oct 20, 2003 at 01:44:50PM +0200, Poul-Henning Kamp wrote:
> In message <20031020113514.GA875@titan.klemm.apsfilter.org>, Andreas Klemm writ
> es:
> >root@titan[ttyp2]{6} ~ ls -l /dev/ugen*
> >crw-r--r-- 1 root operator 114, 0 Oct 20 13:14 /dev/ugen0
> >crw-r--r-- 1 root operator 114, 2 Oct 20 13:14 /dev/ugen0.2
> >crw-rw-rw- 1 root operator 114, 16 Oct 20 13:14 /dev/ugen1
> >crw-r--r-- 1 root operator 114, 17 Oct 20 13:14 /dev/ugen1.1
> >crw-r--r-- 1 root operator 114, 18 Oct 20 13:14 /dev/ugen1.2
> >crw-r--r-- 1 root operator 114, 19 Oct 20 13:14 /dev/ugen1.3
> >
> >And voila, ther permission are wrong again.
>
> I have no idea what goes on here.
An USB device can be switched between several alternative
configurations.
If such a change is requested (USB_SET_CONFIG) the devicenode for
everything but the control channel is recreated.
--
B.Walter BWCT http://www.bwct.de
ticso@bwct.de info@bwct.de
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