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#! /bin/sh
#
# postgrey      start/stop the postgrey greylisting deamon for postfix
#               (priority should be smaller than that of postfix)
#
# Author:       (c)2004-2006 Adrian von Bidder <avbidder@fortytwo.ch>
#               Based on Debian sarge's 'skeleton' example
#               Distribute and/or modify at will.
#
# Version:      $Id: postgrey.init 1436 2006-12-07 07:15:03Z avbidder $
#
### BEGIN INIT INFO
# Provides:          postgrey
# Required-Start:    $syslog $local_fs $remote_fs
# Required-Stop:     $syslog $local_fs $remote_fs
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start/stop the postgrey daemon
### END INIT INFO

set -e

NAME=postgrey
PATH=/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/sbin/postgrey
# PROCNAME patch for bad stop start based off /proc/PID/stat
# (is now truncated 15 char path) (Ubuntu 12.xx+) - in this case = '/usr/sbin/postg'
PROCNAME=`echo $DAEMON | cut -c -15`
DESC="postfix greylisting daemon"
# ADDED PIDFOLDER
PIDFOLDER=/var/run/$NAME
PIDFILE=$PIDFOLDER/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME

# Gracefully exit if the package has been removed.
test -x $DAEMON || exit 0

. /lib/lsb/init-functions

# Read config file if it is present.
if [ -r /etc/default/$NAME ]
then
    . /etc/default/$NAME
fi

# added function to recreate dir
# Create new PID folder in /run if not exist
check_pid_dir() {
    if [ ! -d $PIDFOLDER ]; then
        mkdir $PIDFOLDER
        chmod 0755 $PIDFOLDER
    fi
}

POSTGREY_OPTS="--pidfile=$PIDFILE --daemonize $POSTGREY_OPTS"
if [ -z "$POSTGREY_TEXT" ]; then
    POSTGREY_TEXT_OPT=""
else
    POSTGREY_TEXT_OPT="--greylist-text=$POSTGREY_TEXT"
fi

ret=0
case "$1" in
  start)
#added function to recreate dir (from ssh script)
        check_pid_dir
        log_daemon_msg "Starting $DESC" "$NAME"
        if start-stop-daemon --start --oknodo --quiet \
                --pidfile $PIDFILE --name $NAME \
                --startas $DAEMON -- $POSTGREY_OPTS "$POSTGREY_TEXT_OPT"
        then
            log_end_msg 0
        else
            ret=$?
            log_end_msg 1
        fi
        ;;
  stop)
        log_daemon_msg "Stopping $DESC" "$NAME"
        if start-stop-daemon --stop --oknodo --quiet \
                --pidfile $PIDFILE --name $PROCNAME
        then
            log_end_msg 0
        else
            ret=$?
            log_end_msg 1
        fi
        rm -f $PIDFILE
        ;;
  reload|force-reload)
        log_action_begin_msg "Reloading $DESC configuration..."
        if start-stop-daemon --stop --signal 1 --quiet \
                --pidfile $PIDFILE --name $PROCNAME
        then
            log_action_end_msg 0
        else
            ret=$?
            log_action_end_msg 1
        fi
        ;;
  restart)
        $0 stop
        $0 start
        ret=$?
        ;;
  status)
        status_of_proc -p $PIDFILE $DAEMON "$NAME" 2>/dev/null
        ret=$?
        ;;

  *)
        echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload|status}" >&2
        exit 1
        ;;
esac

exit $ret