Date: Thu, 29 Apr 2010 14:41:08 -0600 (MDT) From: Warren Block <wblock@wonkity.com> To: Marco Beishuizen <mbeis@xs4all.nl> Cc: Roland Smith <rsmith@xs4all.nl>, freebsd-questions@freebsd.org Subject: Re: Using a scanner (USB) as user and not as root Message-ID: <alpine.BSF.2.00.1004291437530.25778@wonkity.com> In-Reply-To: <alpine.BSF.2.00.1004292210410.2406@yokozuna.lan> References: <alpine.BSF.2.00.1004281939070.3115@yokozuna.lan> <20100428182223.GA34355@slackbox.erewhon.net> <alpine.BSF.2.00.1004282057490.3115@yokozuna.lan> <alpine.BSF.2.00.1004281310520.23838@wonkity.com> <alpine.BSF.2.00.1004292210410.2406@yokozuna.lan>
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On Thu, 29 Apr 2010, Marco Beishuizen wrote:
> On Wed, 28 Apr 2010, Warren Block wrote:
>
>> You can use devd.conf for this:
>>
>> attach 100 {
>> device-name "ugen[0-9].[0-9]";
>> match "vendor" "0x04b8";
>> match "product" "0x010a";
>> action "usb_devaddr=`echo $device-name | sed 's#^ugen##'` && \
>> chown root:saned /dev/usb/${usb_devaddr}.* && \
>> chmod 0660 /dev/usb/${usb_devaddr}.*
>>
>> Copied from a post on -current or similar; apologies to the author, who
>> I've forgotten. I thought this was in the default devd.conf as an example,
>> but it appears not.
>>
>> devfs.rules don't apply to devices that are created dynamically after
>> boot-up. Or I guess they might be if you reload the ruleset with applyset
>> after the device is created, but devd is a lot more capable.
>
> Unfortunately this didn't help either (I replaced the vendor and product with
> the correct digits for my scanner, and the chown with the user name). The usb
> devices are still owned by root and not accessible as user.
For the sake of completeness: devd has to be restarted after changes to
devd.conf, and the code above is only executed when the scanner is
detected (USB cable plugged in or scanner powered on).
-Warren Block * Rapid City, South Dakota USA
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