cirros-testvm/src-cirros/buildroot-2015.05/package/dhcp/S80dhcp-relay

   1 #!/bin/sh
   2 #
   3 # $Id: dhcp3-relay,v 1.1 2004/04/16 15:41:08 ml Exp $
   4 #
   5
   6 # What servers should the DHCP relay forward requests to?
   7 # e.g: SERVERS="192.168.0.1"
   8 SERVERS=""
   9
  10 # On what interfaces should the DHCP relay (dhrelay) serve DHCP requests?
  11 INTERFACES=""
  12
  13 # Additional options that are passed to the DHCP relay daemon?
  14 OPTIONS=""
  15
  16 # Sanity checks
  17 test -f /usr/sbin/dhcrelay || exit 0
  18 test -n "$INTERFACES" || exit 0
  19 test -n "$SERVERS" || exit 0
  20
  21 # Build command line for interfaces (will be passed to dhrelay below.)
  22 IFCMD=""
  23 for I in $INTERFACES; do
  24         IFCMD=${IFCMD}"-i "${I}" "
  25 done
  26
  27 DHCRELAYPID=/var/run/dhcrelay.pid
  28
  29 case "$1" in
  30         start)
  31                 echo -n "Starting DHCP relay: "
  32                 start-stop-daemon -S -x /usr/sbin/dhcrelay -- -q $OPTIONS $IFCMD $SERVERS
  33                 [ $? = 0 ] && echo "OK" || echo "FAIL"
  34                 ;;
  35         stop)
  36                 echo -n "Stopping DHCP relay: "
  37                 start-stop-daemon -K -x /usr/sbin/dhcrelay
  38                 [ $? = 0 ] && echo "OK" || echo "FAIL"
  39                 ;;
  40         restart | force-reload)
  41                 $0 stop
  42                 sleep 2
  43                 $0 start
  44                 ;;
  45         *)
  46                 echo "Usage: /etc/init.d/dhcp-relay {start|stop|restart|force-reload}"
  47                 exit 1
  48 esac
  49
  50 exit 0