Re: udev not reading permissions

[Kay Sievers <kay.sievers@vrfy.org>]

On Sat, 2005-02-05 at 14:22 -0800, Mark Healey wrote:
> Kay Sievers wrote:
> > On Sat, 2005-02-05 at 09:06 -0800, Mark Healey wrote:
> > 
> >>Kay Sievers wrote:
> >>
> >>>On Fri, 2005-02-04 at 14:08 -0800, Mark Healey wrote:
> >>>
> >>>
> >>>>I hope I'm not pissing anybody off but I can't find a support list.  If 
> >>>>I am, sorry.
> >>>>
> >>>>Anyway, it seems that udev is ignoring my 05-marks.permissions.  I would 
> >>>>like to use my FC3 box to back up my Kyocera 7135 smartphone.  Here is 
> >>>>what I think is the relevant info.  What am I doing wrong?
> >>
> >>>>#]cat /etc/udev/rules.d/05-marks.rules
> >>>>SYSFS{idVendor}="0c88" SYSFS{idProduct}="0021" NAME="pilot"
> >>
> >>>>#]cat /etc/udev/permissions.d/05-marks.permissions
> >>>>pilot:root:root:666
> >>
> >>>>#]ls -l /dev/pi*
> >>>>crw-------  1 mark root 188, 0 Feb  4 13:52 /dev/pilot
> >>>
> >>>
> >>>Hmm, does the rule work without ',' between the keys?
> >>>And please use 4 digit octal numbers for the mode.
> >>>
> >>>Other than that, I can't see what's going wrong here. How about just
> >>>adding the permissions to the rule. In newer versions of udev
> >>>the .permissions files are gone and you need to specify it along with
> >>>the rules anyway.
> >>>
> >>>  SYSFS{idVendor}="0c88", SYSFS{idProduct}="0021", NAME="pilot", MODE="0666"
> >>
> >>permissions file now reads:
> >>pilot:root:root:0666
> >>
> >>rules file now reads (minus mailer induced wraping):
> >>SYSFS{idVendor}="0c88", SYSFS{idProduct}="0021", NAME="pilot", MODE="0666"
> >>
> >>Still get:
> >>crw-------  1 mark root 188, 1 Feb  5 08:45 /dev/pilot
> > 
> > 
> > Strange. What does:
> >   udevinfo -q all -n /dev/pilot
> 
> [mark@buttercup ~]$ udevinfo -q all -n /dev/pilot
> P: /class/tty/ttyUSB0
> N: pilot
> T: c
> M: 020666
> S:
> O: root
> G: uucp
> F: /etc/udev/rules.d/05-marks.rules
> L: 1
> U: 18508
> R: 0
> 
> > print?
> 
> I don't know what you are asking here.

I was asking for the content of the udev database. Your rules is applied
correctly. You can see the 0666 for the mode. 

Btw: That looks like a very old version of udev and not an actual FC3
one.

> After reading Erik ban Konijnenburgs post I did some experiments.
> 
> [root@buttercup rules.d]# cat 05-marks.rules
> SYSFS{idVendor}="0c88", SYSFS{idProduct}="0021", NAME="piKYO7135", 
> MODE="0666", SYMLINK="pilot"
> 
> [root@buttercup rules.d]# ll /dev/pi*
> crw-------  1 mark root 188, 1 Feb  5 13:49 /dev/piKYO7135
> lrwxrwxrwx  1 root root      9 Feb  5 13:49 /dev/pilot -> piKYO7135
> 
> [root@buttercup rules.d]# cat 05-marks.rules
> SYSFS{idVendor}="0c88", SYSFS{idProduct}="0021", NAME="piKYO7135", 
> MODE="0666"
> 
> [root@buttercup rules.d]# ll /dev/pi*
> crw-rw-rw-  1 root root 188, 1 Feb  5 13:52 /dev/piKYO7135
> 
> [root@buttercup rules.d]# cat 05-marks.rules
> SYSFS{idVendor}="0c88", SYSFS{idProduct}="0021", NAME="piKYO7135", 
> SYMLINK="pilot"
> 
> [root@buttercup rules.d]# ll /dev/pi*
> crw-------  1 mark root 188, 0 Feb  5 13:54 /dev/piKYO7135
> lrwxrwxrwx  1 root root      9 Feb  5 13:54 /dev/pilot -> piKYO7135
> 
> It looks like when there is a SYMLINK the MODE is ignored and the 
> SYMLINK is 777ed no matter what.

You can see that something other, probably the pam-console stuff changed
the owner of the node to your username along with the permissions. As
Erik pointed out, that looks like the reason for this.

> Mabey the NAMEs and SYMLINKs should take permissions file type values. 
> Such as:
> 
> NAME="pilot:hotsyncer:hotsyncgroup:0666"

We have OWNER, GROUP, MODE. What's the problem with that?

Thanks,
Kay




-------------------------------------------------------
This SF.Net email is sponsored by: IntelliVIEW -- Interactive Reporting
Tool for open source databases. Create drag-&-drop reports. Save time
by over 75%! Publish reports on the web. Export to DOC, XLS, RTF, etc.
Download a FREE copy at http://www.intelliview.com/go/osdn_nl
_______________________________________________
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