Bug#765854: ecryptfs-utils: Private directory not automatically unmounted anymore on logout
Julian Andres Klode
jak at debian.org
Sat Oct 18 20:13:05 BST 2014
(adding pkg-systemd-maintainers at lists.alioth.debian.org to CC)
On Sat, Oct 18, 2014 at 08:31:38PM +0200, Julian Andres Klode wrote:
> Package: ecryptfs-utils
> Version: 103-3+b1
> Severity: important
> Tags: security
> Previously, a Private directory was automatically unmounted on logout. This
> does not happen anymore. One problem could be that the systemd user instance
> is not bound to logins and will most likely only exit after the last login,
> leaving a process running as that user, and thus causing ecryptfs-utils to
> think the user is still active.
> This is a regression from wheezy as far as I am aware.
So the reason appears to be that systemd keeps another PAM session around for
running its (sd-pam) and systemd --user processes, causing ecryptfs-umount-private
to think one session is still remaining. This means we have to run
ecryptfs-umount-private before exiting the systemd --user session.
The following user unit does this (called it ecryptfs-umount-private.service),
but I'm not sure if that's the best solution, if something in there is broken,
or how to correctly install that globally.
Description=Umount Private directory
Julian Andres Klode - Debian Developer, Ubuntu Member
See http://wiki.debian.org/JulianAndresKlode and http://jak-linux.org/.
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