#!/bin/bash
#
# cryptcreate: check if a homedir is mounted and encrypted
# feedback: rhatto@riseup.net
#
#  cryptcreate 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 any later version.
#
#  cryptcreate 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
#
# $Rev$ - $Author$
#

unset NULL
USER=TRUE # to check whether is an user

if [ -e "/etc/homecrypt.conf" ]; then
  source /etc/homecrypt.conf
fi

if [ -z "$HOME_BASE" ]; then
  HOME_BASE="/mnt/crypt/home"
fi

if [ -z "$HOME_IMG" ]; then
  HOME_IMG="/home"
fi

if [[ $1 == -nodaemon ]]; then USER=FALSE;
elif [[ $1 == $NULL ]]; then ME=$(whoami)
else ME=$1
fi

if [[ $USER == TRUE ]]; then
  if (grep -q $HOME_BASE/$ME /etc/mtab); then true;
  else
    # $HOME partition is not mounted
    # maybe the user uses dm-crypt?
    if [ -f $HOME_IMG/$ME.img ]; then
      if [[ $(echo $DISPLAY) != $NULL ]]; then
        # X11
        xsetroot -solid black
        xterm -geometry 70x2+300+360 -e sudo /usr/bin/homecrypt on $ME
      else
        # console
        sudo /usr/bin/homecrypt on $ME
      fi
    fi
  fi
fi