#! /bin/bash

# Copyright (C) 1998 Stephane Levant <sun@tuxfamily.org>

#  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, 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; see the file COPYING.  If not, write to the
#  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
#  Boston, MA 02111-1307, USA.

# lock sur gtex

if [ ! $# = 0 ]; then
prog=`basename $0`
cat <<EOF
Usage: $prog
  Lock a terminal
EOF
exit 1
fi

trap : 2 3 24
stty -echo
echo ""

sortie()
{
  echo ""
  stty echo
  exit $1
}

echo -n "Enter Password: "
read pass
echo -e -n "\nReenter password: "
read pass2
echo
if [ "$pass" != "$pass2" -o -z "$pass" ] ; then
  echo "Passwords mismatch!"
  sortie 1
fi

clear
echo "Lock GTek v 1.0   Sun - Mai 98"
echo
head -20 -q ~/.plan 2>/dev/null
echo

while
  echo -n "Password: "
  read essai
  echo -n ""
  [ "$pass" != "$essai" ] ; do
  if [ "$essai" = "." ] ; then
    cat ${1:-.lock}
  else
    echo -n "Wrong Password"
    sleep 1
    echo -n ""
  fi
done

clear
sortie 0