[Bug 1586707] Re: Failure mounting cifs volumes pam_mount

[Eduardo Santos de Moraes]

In fact the problem is solved using the "winbind expand groups"
parameter in /etc/samba/smb.conf with the value of 1 (winbind expand
groups = 1) .

This was the default in earlier versions of samba, and was changed to 0
(winbind expand groups = 0) from version 4.2.x.

I appreciate the contribution !

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https://bugs.launchpad.net/bugs/1586707

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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