From mboxrd@z Thu Jan 1 00:00:00 1970 From: Frank Steiner Date: Tue, 26 Oct 2004 06:37:28 +0000 Subject: permissions: udev vs. pam_devperm.so Message-Id: <417DF0A8.2060108@bio.ifi.lmu.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-hotplug@vger.kernel.org Hi, when logging in via kdm on our SuSE, the pam_devperm module sets permissions and owner of local devices like /dev/hdc (for cdrom). So if user "bart" logs in, he get brw------- 1 bart disk 22, 0 Sep 23 2003 /dev/hdc But on some events like calling k3b etc., hotplug/udev sometimes jump in (not always) an re-detect the block device /dev/hdc, thus setting the permissions back to the defaults: brw-rw---- 1 root disk 22, 0 Sep 23 2003 /dev/hdc This stops user bart from accessing the cdrom for burning etc. Can I tel udev to leave the permission of *existing* nodes untouched? I figured out that I could set the line in the permissions file to hdc*:::660 but the drawback is that udev will create /dev/hdc with the defaults root:root and 600 like defined in udev.conf, and not with root:disk 660 like it should when no local user is logged in. Any way to achieve that? Like a flag "leave node untouched if it exists"? cu, Frank -- Dipl.-Inform. Frank Steiner Web: http://www.bio.ifi.lmu.de/~steiner/ Lehrstuhl f. Bioinformatik Mail: http://www.bio.ifi.lmu.de/~steiner/m/ LMU, Amalienstr. 17 Phone: +49 89 2180-4049 80333 Muenchen, Germany Fax: +49 89 2180-99-4049 ------------------------------------------------------- This SF.net email is sponsored by: IT Product Guide on ITManagersJournal Use IT products in your business? Tell us what you think of them. Give us Your Opinions, Get Free ThinkGeek Gift Certificates! Click to find out more http://productguide.itmanagersjournal.com/guidepromo.tmpl _______________________________________________ Linux-hotplug-devel mailing list http://linux-hotplug.sourceforge.net Linux-hotplug-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-hotplug-devel