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                 [ ! -z "$NETWORKS" ] && NETWORKS="-n $NETWORKS"
  35                 for IFC in $INTERFACES; do
  36                         msg_starting "arpwatch ($IFC)"
  37                         touch /var/lib/arpwatch/$IFC.dat
  38                         chown 2:2 /var/lib/arpwatch/$IFC.dat
  39                         daemon arpwatch $NETWORKS -i $IFC -f /var/lib/arpwatch/$IFC.dat -u daemon
  40                         RETVAL=$?
  41                         [ $RETVAL -eq 0 ] && touch /var/lock/subsys/arpwatch
  42                 done
  43         else
  44                 msg_already_running "arpwatch"
  45         fi
  46         ;;
  47   stop)
  48         if [ -f /var/lock/subsys/arpwatch ]; then
  49                 msg_stopping "arpwatch"
  50                 killproc arpwatch
  51                 rm -f /var/lock/subsys/arpwatch >/dev/null 2>&1
  52         else
  53                 msg_not_running "arpwatch"
  54                 exit 1
  55         fi
  56         ;;
  57   status)
  58         status arpwatch
  59         ;;
  60   restart|reload)
  61         $0 stop
  62         $0 start
  63         ;;
  64   *)
  65         msg_usage "$0 {start|stop|status|restart|reload}"
  66         exit 1
  67 esac
  68
  69 exit $RETVAL