Service definition for stunnel (Tested on CentOS 6.5)

stunnel

#!/bin/bash
#
# Script to run stunnel in daemon mode at boot time.
#
# Check http://www.gaztronics.net/ for the
# most up-to-date version of this script.
#
# This script is realeased under the terms of the GPL.
# You can source a copy at:
# http://www.fsf.org/copyleft/copyleft.html
#
# Please feel free to modify the script to suite your own needs.
# I always welcome email feedback with suggestions for improvements.
# Please do not email for general support. I do not have time to answer
# personal help requests.

# Author: Gary Myers MIIE MBCS
# email: http://www.gaztronics.net/webform/
# Revision 1.0 - 4th March 2005

# Author: Matthieu Vachon
# email: http://github.com/maoueh
# Revision 1.1 - 27th August 2015 (added reload support)

#====================================================================
# Run level information:
#
# chkconfig: 2345 99 99
# description: Secure Tunnel
# processname: stunnel
#
# Run "/sbin/chkconfig --add stunnel" to add the Run levels.
# This will setup the symlinks and set the process to run at boot.
#====================================================================

#====================================================================
# Paths and variables and system checks.

# Source function library (It's a Red Hat thing!)
. /etc/rc.d/init.d/functions

# Check that networking is up.
#
[ ${NETWORKING} ="yes" ] || exit 0

# Path to the executable.
#
SEXE=`which stunnel`

# Path to the configuration file.
#
CONF=/etc/stunnel/stunnel.conf

# Check the configuration file exists.
#
if [ ! -f $CONF ] ; then
  echo "The configuration file cannot be found!"
exit 0
fi

CHROOT=`grep '^chroot' /etc/stunnel/stunnel.conf | head -n 1 | sed 's/ //g' | awk -F= '{ print $2 }'`
PIDFILE=`grep '^pid' /etc/stunnel/stunnel.conf | head -n 1 | sed 's/ //g' | awk -F= '{ print $2 }'`
if [ -n "$CHROOT" ]; then
    PIDFILE=$CHROOT/$PIDFILE
fi

# Path to the lock file.
#
LOCK_FILE=/var/lock/subsys/stunnel

#====================================================================

#====================================================================
# Run controls:

prog=$"stunnel"

RETVAL=0

# Start stunnel as daemon.
#
start() {
  if [ -f $LOCK_FILE ]; then
    echo "stunnel is already running!"
    exit 0
  else
    echo -n $"Starting $prog: "
    $SEXE $CONF
  fi

  RETVAL=$?
  [ $RETVAL -eq 0 ] && success
  echo
  [ $RETVAL -eq 0 ] && touch $LOCK_FILE
  return $RETVAL
}


# Stop stunnel.
#
stop() {
  if [ ! -f $LOCK_FILE ]; then
    echo "stunnel is not running!"
    exit 0

  else

    echo -n $"Shutting down $prog: "
    killproc -p $PIDFILE stunnel
    RETVAL=$?
    [ $RETVAL -eq 0 ]
     rm -f $LOCK_FILE
    echo
    return $RETVAL

  fi
}

# Reload stunnel.
#
reload() {
  if [ ! -f $LOCK_FILE ]; then
    echo "stunnel is not running!"
    exit 0

  else

    echo -n $"Reloading $prog config: "
    killproc -p $PIDFILE stunnel HUP
    RETVAL=$?
    if [ $RETVAL -eq 0 ]; then
      success
    else
      failed
    fi

    echo
    return $RETVAL
  fi
}


# See how we were called.
case "$1" in
   start)
  start
  ;;
   stop)
  stop
  ;;
   restart)
  stop
  start
  ;;
   condrestart)
  if [ -f $LOCK_FILE ]; then
     stop
     start
     RETVAL=$?
  fi
  ;;
   reload)
  reload
  RETVAL=$?
  ;;
   status)
  status -p $PIDFILE stunnel
  RETVAL=$?
  ;;
   *)
    echo $"Usage: $0 {start|stop|restart|reload|condrestart|status}"
    RETVAL=1
esac

exit $RETVAL