stunnel.init

#!/bin/bash
# Purpose:    Init script for stunnel
# Author:     Rawiri Blundell
# Copyright:  (c) 2015 -, Datacom Systems Ltd (Wgtn)
# Date:       20151117
#
# chkconfig:     2345 55 25
# description:   stunnel
# processname:   stunnel
# config:        /etc/stunnel/stunnel.conf
# pidfile:       /var/run/stunnel.pid

# Source function library.
. /etc/rc.d/init.d/functions

# Avoid using root's TMPDIR
unset TMPDIR

# Set PATH because stunnel isn't kept in the same place.  /usr/bin on some, /usr/sbin on others.
PATH=/usr/kerberos/sbin:/usr/kerberos/bin:/usr/local/sbin:/usr/sbin:/sbin:/usr/bin:/bin:/root/bin:$PATH
export PATH

# Figure out where the stunnel binary lives
stunnelBin=$(which stunnel)

# Declare the pidfile
pidfile=/var/run/stunnel.pid

# Hack to cater for RHEL6 fips handling differences.
# stunnel-4.29-3.el6_4.x86_64 appears to be fine without declaring fips = yes|no, but will fail if it is declared
# stunnel-4.29-3.el6_6.1.x86_64 fails unless fips is declared
if [[ $(rpm -qa | grep stunnel) =~ .*el6_6.* ]]; then
  configFile=/etc/stunnel/stunnel-nofips.conf
else
  configFile=/etc/stunnel/stunnel.conf
fi

# See how we were called.
case "$1" in
  start)
    # Check that the config file exists
    if [[ ! -f "${configFile}" ]]; then
      printf "%s\n" "[stunnel ERROR]: could not find configuration file ${configFile}"
      exit 1
    # Next check to see if an stunnel pid exists
    elif [[ -f "${pidfile}" ]]; then
      # If it does, check to see if stunnel is already running
      if netstat -anp | grep 6556 | grep stunnel &>/dev/null; then
        printf "%s\n" "[stunnel INFO]: $(status stunnel)"
        exit 1
      # If the pid file exists, but a process doesn't, try to start
      else
        printf "%s\n" "[stunnel ERROR]: Server appears to be dead but pid file exists."
        printf "%s"  "[stunnel INFO]: Trying to start stunnel..."
        daemon stunnel "${configFile}"
        RETVAL=$?
        echo
        exit $RETVAL
      fi
    # Otherwise, we should be good to start
    else
      printf "%s" "[stunnel INFO]: Starting stunnel..."
      daemon stunnel "${configFile}"
      RETVAL=$?
      echo
      exit $RETVAL
    fi
    ;;
  stop)
    # Stop daemons.
    printf "%s" "[stunnel INFO]: Shutting down stunnel"
    killproc "${stunnelBin}"
    RETVAL=$?
    echo
    rm -f $pidfile
    exit $RETVAL
    ;;
  restart)
    $0 stop
    $0 start
    ;;
  status)
    printf "%s\n" "[stunnel INFO]: $(status stunnel)"
    exit 0
    ;;
  *)
    printf "%s\n" "[stunnel USAGE]: stunnel {start|stop|restart|status}"
    exit 1
    ;;
esac

exit 0
~