#!/bin/sh

# chkconfig: 2345 78 31
# description: DrWeb antivirus daemon
#

# $Id: rc.drwebd,v 1.4 2002/01/10 12:28:01 mjt Exp $
# This script can be used on many unixes, including
# but not limited to Linux and Solaris.

# For Linux, place it into /etc/rc.d/init.d (or /etc/init.d)
# directory with name `drwebd', and run `chkconfig --add drwebd'
# (on Redhat-based systems) or create symlinks from /etc/rc[234].d/
# directories manually.
#
# For Solaris, place it into /etc/init.d/ directory and create
# symlinks -- pretty the same as above.  Note as of this writing,
# DrWeb does not works on Solaris.
#
# Can someone show me how to do this on *BSD?
#

if [ -f /etc/rc.d/init.d/functions ] ; then
  # Redhat linux or derivate initscripts
  . /etc/rc.d/init.d/functions
else
  action() { echo "$1"; shift; "$@"; }
  success() {  return 0;  }
  failure() {  return 1;  }
fi

subsysdir=/var/lock/subsys
subsys=$subsysdir/drwebd
what="DrWeb Daemon"

root=/var/spool/drweb
exe=/drwebd
pidf=$root/run/pid
args="-ini:drweb32.ini"
user=avdaemon

uchroot=$root/uchroot

[ -x $root$exe ] || exit 0

PATH=/bin:/usr/bin:/sbin:/usr/sbin; export PATH

cpid() {
  if [ -f $pidf ] && read pid < $pidf && [ -d /proc/$pid ] ; then
    return 0
  else
    pid=
    return 1
  fi
}

start() {
  # more resource limits may be needed
  nice \
    $uchroot -u $user $root \
      $exe $args \
   && success startup || failure startup
  rc=$?
  chmod g+w $root/run/sock 2>/dev/null
  echo
  [ -d $subsysdir ] && touch $subsys
  return $rc
}

restart() {
  echo "Restarting $what:"
  cpid && kill $pid && sleep 1
  start
}

rc=0

case "$1" in
  start)
    if ! cpid ; then
	echo "Starting $what:"
	start
    fi
    ;;
  stop)
    cpid && action "Stopping $what" kill $pid
    rm -f $subsys
    ;;
  restart) restart ;;
  reload)
    if cpid ; then
      action "Reloading $what" kill -1 $pid
    else
      echo "No $what running"
    fi
    ;;
  condrestart)
    cpid && restart
    ;;
  status)
    if cpid ; then
      echo "$what (pid $pid) is running..."
      rc=0
    elif [ -f $subsys ] ; then
      echo "$what is not running but subsys locked"
      rc=2
    else
      echo "$what is not running"
      rc=3
    fi
    ;;
  *)
    echo "Usage: $0 {start|stop|restart|reload|condrestart|status}"
    rc=1
    ;;
esac

exit $rc