#!/bin/bash
# encfsmount - A simple frontend for encfs
# (C) Ritesh Raj Sarraf July 2005
# Available only under the GPL

PATH="/bin:/sbin:/usr/bin:/usr/sbin:/home/rrs/bin"
export PATH

XDIALOG_HIGH_DIALOG_COMPAT=1
export XDIALOG_HIGH_DIALOG_COMPAT

#[ "`id -u`" != "0" ] && exec sudo "$0" "$@"

ASKPASS=`which ssh-askpass`;
CRYPT="/mnt/windoze/.linuxrc";
TARGET="/var/tmp/.linuxrc";
FUSERMOUNT=`which fusermount`;
ENCFS=`which encfs`;
ARGS="-u";

#set -vx

DIALOG=`which dialog`;
[ -n "$DISPLAY" ] && [ -x /usr/bin/Xdialog ] && DIALOG="Xdialog"

mount()
{
  # This is one good way to use dialog to accept passwords
  # But for some reason encfs isn't able to read the password
  # supplied by dialog
  # Hence, I'm using ssh-askpass to get the password
  #$ENCFS $CRYPT $TMP --extpass=`$DIALOG --title "Password" --password --inputbox "Enter Password" 18 45 2`;

  # This uses ssh-askpass
  $ENCFS $CRYPT $TARGET --extpass=$ASKPASS;

}

check_mount()
{
  # Since encfs isn't returning good exit status
  # I'm using this hack to figure out if the mount
  # passed or failed.
  grep -i encfs /etc/mtab;
  retval=$?;

case $retval in
  0)
  $DIALOG --wrap --title "Information"\
  --msgbox "Successfully Mounted!" 10 41;;
  1)
  $DIALOG --wrap --title "Information"\
  --msgbox "Mount Failed!" 10 41;;
esac
}

prelim_mount_check()
{
  grep -i encfs /etc/mtab;
  retval=$?;

case $retval in
  0)
  $DIALOG --wrap --title "Caution"\
  --yesno "ALREADY MOUNTED!\nDo you want to umount ?" 0 0

  case $? in
    0)
    umount;
  esac;;
  1)
  #$DIALOG --wrap --title "Information"\
  #--yesno "Do you want to mount crypt ?"\
  #case $? in
  #  0)
  mount;
  check_mount;;
  #esac;;
esac
}

umount()
{
  $FUSERMOUNT -u $TARGET;
}

ask_passwd()
{
  $DIALOG --wrap --title "Password"\
  --help "Contact Author Ritesh Raj Sarraf\nEmail: rrs@researchut.com"\
  --inputbox "Please enter your password" 18 45 2 > /tmp/passwd.$$;

retval=$?;
$INPUT=`cat /tmp/passwd.$$`;
#rm -f /tmp/passwd.$$;

case $retval in
  0)
  mount;;
  #echo "Password is '$input'";;
  1)
  echo "Cancelled";;
  255)
  echo "Box Closed";;
esac
}

main()
{
  $DIALOG --wrap --title "Question"\
  --help "Contact Author Ritesh Raj Sarraf\nEmail: rrs@researchut.com"\
  --yesno "Do you want to mount your encrypted filesystem ?" 0 0

case $? in
  0)
  prelim_mount_check;;
  255)
  $DIALOG --wrap --title "Aborted"\
  --infobox "Cancelled"
esac
}

main