arpwatch.init

   1 #!/bin/sh
   2 #
   3 # chkconfig: 345 55 45
   4 # description:  The arpwatch daemon attempts to keep track of ethernet/ip \
   5 #               address pairings.
   6 # processname:  arpwatch
   7
   8 # Source function library
   9 . /etc/rc.d/init.d/functions
  10
  11 # Get network config
  12 . /etc/sysconfig/network
  13
  14 # Get service config
  15 [ -f /etc/sysconfig/arpwatch ] && . /etc/sysconfig/arpwatch
  16
  17 # Check that networking is up.
  18 if [ "${NETWORKING}" = "no" ]; then
  19         msg_Network_Down "arpwatch"
  20         exit 1
  21 fi
  22
  23
  24 # See how we were called.
  25 case "$1" in
  26   start)
  27         # Check if the service is already running?
  28         if [ ! -f /var/lock/subsys/arpwatch ]; then
  29                 if [ -z "$INTERFACES" ]; then
  30                         INTERFACES="`/sbin/ip link show \
  31                           | egrep '^[^ ].*' |egrep -v "NOARP|LOOPBACK" \
  32                           |sed 's/[0-9]*: \([a-zA-Z0-9]*\)[@:].*/\1/'|xargs`"
  33                 fi
  34                 for IFC in $INTERFACES; do
  35                         msg_starting "arpwatch ($IFC)"
  36                         touch /var/lib/arpwatch/$IFC.dat
  37                         daemon arpwatch -i $IFC -f /var/lib/arpwatch/$IFC.dat
  38                         RETVAL=$?
  39                         [ $RETVAL -eq 0 ] && touch /var/lock/subsys/arpwatch
  40                 done
  41         else
  42                 msg_Already_Running "arpwatch"
  43         fi
  44         ;;
  45   stop)
  46         if [ -f /var/lock/subsys/arpwatch ]; then
  47                 msg_stopping "arpwatch"
  48                 killproc arpwatch
  49                 rm -f /var/lock/subsys/arpwatch >/dev/null 2>&1
  50         else
  51                 msg_Not_Running "arpwatch"
  52                 exit 1
  53         fi
  54         ;;
  55   status)
  56         status arpwatch
  57         ;;
  58   restart|reload)
  59         $0 stop
  60         $0 start
  61         ;;
  62   *)
  63         msg_Usage "$0 {start|stop|status|restart|reload}"
  64         exit 1
  65 esac
  66
  67 exit $RETVAL