#!/bin/bash
#
# chkconfig: - 95 05
# description: The ip-sentinel daemon keeps your IP space clean by \
#	       preventing unauthorized usage of IPs
# processname: ip-sentinel
# pidfile:     /var/run/ip-sentinel.run
# Reproduced for Debian GNU/Linux users by GopoDebian.com

# IPS_USER=
# IPS_GROUP=
# IPS_CHROOT=
# IPS_IPFILE=ips.cfg
# IPS_LOGFILE=/var/log/ip-sentinel.out
# IPS_ERRFILE=/var/log/ip-sentinel.err
# IPS_OPTIONS=
# IPS_DEVICE=eth0
progandpath=/usr/local/sbin/ip-sentinel

## Assign to yes if running a dietlibc-compiled version of ip-sentinel
## on a system using remote NSS for passwd-lookups (e.g. LDAP, NIS).
##
## When using a group which is not the effective group of the user,
## you will have to assign the numeric gid of this group to GROUP.
# IPS_NEEDS_NUMERIC_UID=

# Check that networking is not down.
test -f /etc/sysconfig/network && . /etc/sysconfig/network
test "$NETWORKING" != "no" || exit 0

defuser=ip-sentinel
test -f /etc/sysconfig/ip-sentinel && . /etc/sysconfig/ip-sentinel

prog="ip-sentinel"
lockfile=/var/run/ip-sentinel.run

addOption() {
    opt="$opt${2:+$1$2 }"
}

is_running()
{
  retval=1
  if [ -r ${lockfile} ]; then
    pid=`cat ${lockfile}`
    if [ -e /proc/$pid ]; then
      procname=`/bin/ps h -p $pid`
      [ -n "$procname" ] && retval=0
    fi
  fi
  return $retval
}

start () {
	echo -n $"Starting $prog "
	if test x"${IPS_NEEDS_NUMERIC_UID}" = xyes; then
	    test -z "$IPS_GROUP" && \
	    x=`id -g ${IPS_USER:-$defuser} 2>/dev/null` && IPS_GROUP="$x"
	    x=`id -u ${IPS_USER:-$defuser} 2>/dev/null` && IPS_USER="$x"
	fi

	opt=
	addOption "-u " "$IPS_USER"
	addOption "-g " "$IPS_GROUP"
	addOption "-r " "$IPS_CHROOT"
	addOption "-i " "$IPS_IPFILE"
	addOption "-l " "$IPS_LOGFILE"
	addOption "-e " "$IPS_ERRFILE"
	addOption ""    "$IPS_OPTIONS"
	start-stop-daemon --start --exec ${progandpath} -- ${opt} ${IPS_DEVICE:-eth0}
	ret=$?
	echo
	[ $ret -eq 0 ] && touch $lockfile
	return $ret
}

stop () {
	echo -n $"Stopping $prog "
	start-stop-daemon --stop --pidfile ${lockfile}
	ret=$?
	echo
	[ $ret -eq 0 ] && rm -f $lockfile
	return $ret
}

restart () {
	stop
	echo "Please, wait while child process quit..."
	while `ps aux | grep -v 'init.d' | grep [i]p-sentinel >/dev/null`
	do
		echo -n ". "
		sleep 1
	done
	echo "[Done]"
	start
}

status()
{
  STATUS="Status of ${prog}:"
  if is_running; then
    echo "$STATUS running."
  else
    echo "$STATUS stopped."
  fi
}

# See how we were called.
case "$1" in
  start|stop|restart)	$1 ;;
  reload)
	restart
	;;
  condrestart)
	test ! -f $lockfile || restart
	;;
  status)
    status
    ;;

  *)
	echo $"Usage: $0 {start|stop|restart|reload|condrestart}"
	exit 2
esac