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To: ticso@cicely.de
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
In-Reply-To: Your message of "Mon, 20 Oct 2003 17:45:37 +0200."
             <20031020154536.GE38650@cicely12.cicely.de> 
Date: Mon, 20 Oct 2003 18:07:05 +0200
Message-ID: <11748.1066666025@critter.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 
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In message <20031020154536.GE38650@cicely12.cicely.de>, Bernd Walter writes:
>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.

But the devfs rules should still set the mode when it is recreated...

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.