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 is_yes "${NETWORKING}"; then
  19         if [ ! -f /var/lock/subsys/network -a "$1" != stop -a "$1" != status ]; then
  20                 msg_network_down "arpwatch"
  21                 exit 1
  22         fi
  23 else
  24         exit 0
  25 fi
  26
  27 RETVAL=0
  28 # See how we were called.
  29 case "$1" in
  30   start)
  31         # Check if the service is already running?
  32         if [ ! -f /var/lock/subsys/arpwatch ]; then
  33                 if [ -z "$INTERFACES" ]; then
  34                         INTERFACES="`/sbin/ip link show \
  35                           | egrep '^[^ ].*' |egrep -v "NOARP|LOOPBACK" \
  36                           |sed 's/[0-9]*: \([a-zA-Z0-9]*\)[@:].*/\1/'|xargs`"
  37                 fi
  38                 [ ! -z "$NETWORKS" ] && NETWORKS="-n $NETWORKS"
  39                 for IFC in $INTERFACES; do
  40                         msg_starting "arpwatch ($IFC)"
  41                         touch /var/lib/arpwatch/$IFC.dat
  42                         chown 2:2 /var/lib/arpwatch/$IFC.dat
  43                         daemon arpwatch $NETWORKS -i $IFC -f /var/lib/arpwatch/$IFC.dat -u daemon
  44                         RETVAL=$?
  45                         [ $RETVAL -eq 0 ] && touch /var/lock/subsys/arpwatch
  46                 done
  47         else
  48                 msg_already_running "arpwatch"
  49         fi
  50         ;;
  51   stop)
  52         if [ -f /var/lock/subsys/arpwatch ]; then
  53                 msg_stopping "arpwatch"
  54                 killproc arpwatch
  55                 rm -f /var/lock/subsys/arpwatch >/dev/null 2>&1
  56         else
  57                 msg_not_running "arpwatch"
  58         fi
  59         ;;
  60   status)
  61         status arpwatch
  62         exit $?
  63         ;;
  64   restart|force-reload)
  65         $0 stop
  66         $0 start
  67         exit $?
  68         ;;
  69   *)
  70         msg_usage "$0 {start|stop|restart|force-reload|status}"
  71         exit 3
  72 esac
  73
  74 exit $RETVAL