#!/bin/sh

# Copyright (c) 2015, Euan Thoms
# All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# 
# * Redistributions of source code must retain the above copyright notice, this
#   list of conditions and the following disclaimer.
# 
# * Redistributions in binary form must reproduce the above copyright notice,
#   this list of conditions and the following disclaimer in the documentation
#   and/or other materials provided with the distribution.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

if [ $# -ne 3 ]
then
  echo ""
  echo "This command is intended to be used internally for the netdrive-connector application."
  echo ""
  echo "Usage: ${0} [password] [command] [args]"
  echo ""
  exit 1
fi

PASSWORD=$1
COMMAND=$2
PARMS=$3

SPAWN_CMD="su - root -c \"${COMMAND} ${PARMS}\""

echo ${SPAWN_CMD} > /tmp/netdrive-connector-spawn-cmd
chmod +x /tmp/netdrive-connector-spawn-cmd

expect -c "set timeout 12 ; spawn /tmp/netdrive-connector-spawn-cmd ; expect Password: ; send \"${PASSWORD}\r\" ; interact"

rm /tmp/netdrive-connector-spawn-cmd
