[Bug 1586707] Re: Failure mounting cifs volumes pam_mount

[Aleksi]

The value of "winbind expand groups" is 1 for me. However, PAM still
refuses to mount. I resolved this by changing the primary group of each
user in Active Directory to match the value of "sgrp", so apparently the
attribute still only works if it's the primary group of the user.

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Title:
  Failure mounting cifs volumes pam_mount

Status in samba package in Ubuntu:
  Invalid

Bug description:
  Since version " 2: 4.3.8 + dfsg - 0ubuntu0.14.04.2 " current " 2:
  4.3.9 + dfsg - 0ubuntu1 " that cifs volumes with " SGRP " attribute in
  pam_mount are not mounted .

  In fact the volume is only mounted when the volume access permission
  group is the primary group that is logged in, otherwise the volume is
  not mounted.

  For example:

  <volume sgrp="administrators" fstype="cifs" server="Fileserver"
  path="share" mountpoint="/home/%(user)/share" />

  If the share has only limited access to " administrators " and the
  user's primary group for this , so the volume is mounted . But even if
  the user belongs to the Administrators group , just not being the
  primary user group ( in Active Directory usually the primary group by
  default is " Domain Users " ) , the same share is not mounted.

  Distros : Ubuntu 14.04 or higher.

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