Messages in this thread |  | | From | Jonathan Hudson <> | | Subject | Re: Q: device(file) permissions for USB | | Date | Thu, 06 Dec 2001 20:14:47 GMT |
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In article <fa.ljcupnv.1ghotjk@ifi.uio.no>, kees <kees@schoen.nl> writes: k> This message is in MIME format. The first part should be readable text, k> while the remaining parts are likely unreadable without MIME-aware tools. k> Send mail to mime@docserver.cac.washington.edu for more info. k> k> ---1463801846-915869288-1007668919=:13843 k> Content-Type: TEXT/PLAIN; charset=US-ASCII k> k> Hi, k> k> I have been playing with an USB camera. I've run into the following k> problem: k> The (default?) permissions for /proc/bus/usb/001/011 (and others) are k> 0644. This makes the ioctl (see attached trace to fail). So I have to: k> either chmod the usb device file each time I unplug and replug the camera k> OR make the pencam program SUID root, which is neither comfortable. k> Is there a way to affect the default permissions for the USB devices?
Use hotplug to run a script to change the permissions when the device is connected. Mail me off list for an example. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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