From: Greg KH <greg@kroah.com>
To: linux-hotplug@vger.kernel.org
Subject: Re: Run script when USB scanner unplugged
Date: Sat, 05 Jun 2004 16:05:31 +0000 [thread overview]
Message-ID: <20040605160531.GA13261@kroah.com> (raw)
In-Reply-To: <40BE3850.8070106@comcast.net>
On Sat, Jun 05, 2004 at 11:01:23AM -0500, Ian Pilcher wrote:
> Greg KH wrote:
> >On Wed, Jun 02, 2004 at 03:28:00PM -0500, Ian Pilcher wrote:
> >
> >>Running Fedora Core 2 here. I've found that the hotplug scripts shipped
> >>with the distribution do a fine job of setting the permissions when a
> >>USB scanner is plugged in *after* a user has logged in.
> >
> >
> >There is no /dev node for a USB scanner anymore, as there is no kernel
> >driver for it in 2.6. Do you realize this? Because of this, modifying
> >the hotplug scripts will be quite difficult, and udev will know nothing
> >about this kind of device, sorry.
> >
>
> /etc/hotplug/usb/libusbscanner, as shipped with Fedora Core 2, already
> sets the ownership of the appropriate /proc/bus/usb/... file to the
> "console" user. This works fine when a scanner is plugged in *after*
> the user has logged on.
>
> I've hacked /etc/hotplug/usb/libusbscanner to create a symbolic link
> from /dev/usb/scanner-%sys%devices%pci%... to that /proc/bus/usb...
> file.
Um, why? That usbfs file is _not_ a device node. Anyway...
> When the USB "insertion" is processed during system boot, the
> symlink gets created. Then when a "console" user logs on, PAM follows
> the symlink and sets the ownership of the /proc/bus/usb... file
> appropriately.
>
> All I want to do is run a script during the USB "remove" event to get
> rid of this symlink. Reading through /etc/hotplug/usb.agent, it looks
> like I should be able to put a script in the location specified by the
> ${REMOVER} variable, but I've tried this and it never gets executed.
>
> What do I need to do?
I don't know, sorry. Never used the remove stuff myself...
Good luck,
greg k-h
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next prev parent reply other threads:[~2004-06-05 16:05 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-02 20:28 Run script when USB scanner unplugged Ian Pilcher
2004-06-03 8:34 ` Harald Hoyer
2004-06-03 17:36 ` Ian Pilcher
2004-06-04 13:55 ` Ian Pilcher
2004-06-04 17:07 ` Bertrik Sikken
2004-06-04 21:13 ` Greg KH
2004-06-05 16:01 ` Ian Pilcher
2004-06-05 16:05 ` Greg KH [this message]
2004-06-05 17:35 ` Ian Pilcher
2004-06-05 17:36 ` Ian Pilcher
2004-06-05 18:26 ` Bertrik Sikken
2004-06-08 0:30 ` Marcelo Ricardo Leitner
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