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#!/bin/sh
# Copyright (C) 2013, Parallels, Inc. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
#
# Most distributions will need some kind of adjustment when running under
# user namespaces. One example is overriding the loginuid PAM module, that
# is, so far, meaningless inside a container. This script will apply various
# fixups if needed.
fixup_loginuid()
{
local pam_permit="security/pam_permit.so"
local pam_loginuid="security/pam_loginuid.so"
for dir in lib lib64 lib/x86_64-linux-gnu lib/i386-linux-gnu; do
[ -f $dir/$pam_loginuid ] || continue
mount --bind $dir/$pam_permit $dir/$pam_loginuid
break
done
}
[ "x$VZ_KERNEL" = "xyes" ] && exit 0
[ "x$USERNS" = "xno" ] && exit 0
fixup_loginuid
exit 0