[Bug 1764778] Re: Problems with SSSD + pam mount

[Tristan Engel]

*** This bug is a duplicate of bug 1572132 ***
    https://bugs.launchpad.net/bugs/1572132

Not sure if this is actually a duplicate. Is it?

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https://bugs.launchpad.net/bugs/1764778

Title:
  Problems with SSSD + pam mount

Status in cifs-utils package in Ubuntu:
  Confirmed

Bug description:
  In our IT-Department we are preparing ourselves for Ubuntu 18.04.
  While doing so, we discovered, that Domain Users loging into Ubuntu with their home Directories mounted through pam-mount can not modify the icons in the Sidebar and are also unable to activate certain settings. What we discovered so far is:

  1. They can not change their Keyboard Layout.
  2. They can not apply "show hidden files" in nautilus.
  3. They can not change the icons in the sidebar (as mentioned)

  What could be the Problem here and how should we go about solving it?

  How to reproduce it:
  1. Join Client to domain via net ads join -U administrator
  2. Restart SSSD Daemon
  3. Configure pam_mount.conf.xml as such:
  <pam_mount>
  <debug        enable  = "1" />
  <mntoptions   allow   = "nosuid,nodev,loop,encryption,fsck,nonempty,allow_root,allow_other" />
  <mntoptions   require = "nosuid,nodev" />
  <logout       wait    = "5" hup    = "0"    term="no" kill="no" />
  <mkmountpoint enable  = "1" remove = "true" />
  <volume fstype     = "cifs"
         server     = "server.domain"
         path       = "home/%(DOMAIN_USER)"
         mountpoint = "/home/%(DOMAIN_USER)"
         options    = "dir_mode=0700,workgroup=DOMAIN,iocharset=utf8,username=%(DOMAIN_USER),cruid=%(USERUID),uid=%(USERUID)"
         user       = "*"/>
  </pam_mount>
  4. Restart
  5. Log in with a domain user
  Everything seems to work, all files appear in the home directory, but the problems above occur.
  Doing the exact same thing in Ubuntu 16.04 works.

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