dhcp-helper.init

   1 #!/bin/sh
   2 # DHCP Server
   3 #
   4 # chkconfig:    345 80 20
   5 # description:  DHCP relay helper
   6
   7 # Source function library
   8 . /etc/rc.d/init.d/functions
   9
  10 # Get network config
  11 . /etc/sysconfig/network
  12
  13 # Get service config
  14 [ -f /etc/sysconfig/dhcp-helper ] && . /etc/sysconfig/dhcp-helper
  15
  16 # Check that networking is up.
  17 if is_yes "${NETWORKING}"; then
  18         if [ ! -f /var/lock/subsys/network -a "$1" != stop -a "$1" != status ]; then
  19                 msg_network_down DHCPD
  20                 exit 1
  21         fi
  22 else
  23         exit 0
  24 fi
  25
  26 RETVAL=0
  27 # See how we were called.
  28 case "$1" in
  29   start)
  30         # Check if the service is already running?
  31         if [ ! -f /var/lock/subsys/dhcp-helper ]; then
  32                 msg_starting "DHCP helper"
  33
  34                 [ -n "${RELAY_TO_SERVERS}" ] && DHCPH_OPTIONS="${DHCPH_OPTIONS} -s ${RELAY_TO_SERVERS}"
  35                 [ -n "${BROADCAST_TO_INTERFACE}" ] && DHCPH_OPTIONS="${DHCPH_OPTIONS} -b ${BROADCAST_TO_INTERFACE}"
  36                 [ -n "${LISTEN_INTERFACES}" ] && DHCPH_OPTIONS="${DHCPH_OPTIONS} -i ${LISTEN_INTERFACES}"
  37                 [ -n "${EXCLUDE_INTERFACES}" ] && DHCPH_OPTIONS="${DHCPH_OPTIONS} -e ${EXCLUDE_INTERFACES}"
  38
  39                 daemon dhcp-helper ${DHCPH_OPTIONS}
  40                 RETVAL=$?
  41                 [ $RETVAL -eq 0 ] && touch /var/lock/subsys/dhcp-helper
  42         else
  43                 msg_already_running "DHCP helper"
  44         fi
  45         ;;
  46   stop)
  47         if [ -f /var/lock/subsys/dhcpd ]; then
  48                 msg_stopping "DHCP helper"
  49                 killproc dhcp-helper
  50                 rm -f /var/run/dhcpd.pid /var/lock/subsys/dhcp-helper >/dev/null 2>&1
  51         else
  52                 msg_not_running "DHCP helper"
  53         fi
  54         ;;
  55   restart|reload)
  56         $0 stop
  57         $0 start
  58         exit $?
  59         ;;
  60   status)
  61         status dhcp-helper
  62         exit $?
  63         ;;
  64   *)
  65         msg_usage "$0 {start|stop|restart|force-reload|status}"
  66         exit 3
  67 esac
  68
  69 exit $RETVAL