On Wed, Apr 4, 2012 at 9:30 PM, Jason Heeris <jason.hee...@gmail.com> wrote:
> I'm building a Debian Squeeze system with live-builder 3.0~a45 (from
> Ubuntu 11.10). I'm running into a problem where I can't use udisk to
> mount devices using a serial console on the live system (perhaps due
> to problems with consolekit or policykit).
>
> I configure a serial console using the boot line and some boot-time
> sedding to produce this line in /etc/inittab:
>
> T0:23:respawn:/bin/login -f user </dev/ttyS0 >/dev/ttyS0 2>&1
>
> My problem is this: when I try to use udisk to mount an image via a
> serial console, I get:
>
> ----
> user@my-live-usb:~$ udisks --mount /dev/disk/by-label/image-data
> --mount-options ro
> Mount failed: Not Authorized
> ----
>
> I read through a heap of forum postings and bug reports, and
> eventually figured to try:
>
> ----
> user@my-live-usb:~$ pkexec true
> Error executing command as another user: Not authorized
>
> This incident has been reported.
> ----
>
> Then I ran "ck-list-sessions" and saw that only Session 5, on
> /dev/tty1, has "active = TRUE" - the console I'm actually using
> (Session 1 on /dev/ttyS0) has "active = FALSE".
>
> Am I right in thinking that this is why udisk is failing to mount the
> device when run on a serial console? I checked that my udisks command
> worked with a video console, and it does. But unfortunately, this is
> not practical - I need to be able to run the command at a serial
> console OR a video console.
>
> It's worth pointing out that under this live system, the default user
> ("user") is automatically logged in on every video console and the
> serial console.
>
> If I look in "/usr/share/polkit-1/actions/org.freedesktop.udisks.policy",
> there's a group of keys under "<action
> id="org.freedesktop.udisks.filesystem-mount">":
>
> <allow_any>no</allow_any>
> <allow_inactive>no</allow_inactive>
> <allow_active>yes</allow_active>
>
> Changing the "allow_inactive" and "allow_any" keys to yes makes no
> difference. I figure that I somehow need to tell consolekit that the
> serial port is an active console. But how?
I haven't used polkit since Fedora 12 was released with weird package
installation defaults and I don't have access to the notes that I made
at the time so what follows is just from looking at a Sid VM that I
have running.
Re "pkexec true": Is your user a member of the sudo group? sudo group
members can use pkexec via
"/etc/polkit-1/localauthority.conf.d/51-debian-sudo.conf". If you
don't want that user in the sudo group, you can create a conf file in
"/etc/polkit-1/localauthority.conf.d" to allow it to use pkexec.
Re "/usr/share/polkit-1/actions/org.freedesktop.udisks.policy": (It's
better to create a pkla file in
"/etc/polkit-1/localauthority/50-local.d" than edit a
"/usr/share/polkit-1/" file) Does pkaction display the changed values
for "org.freedesktop.udisks.filesystem-mount"?
No idea what to say or do about your "ck-list-sessions" output, sorry.
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