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 # Initial values
  15 OPTIONS=""
  16
  17 # Get service config
  18 [ -f /etc/sysconfig/arpwatch ] && . /etc/sysconfig/arpwatch
  19
  20 # Check that networking is up.
  21 if is_yes "${NETWORKING}"; then
  22         if [ ! -f /var/lock/subsys/network -a "$1" != stop -a "$1" != status ]; then
  23                 msg_network_down "arpwatch"
  24                 exit 1
  25         fi
  26 else
  27         exit 0
  28 fi
  29
  30 if [ "${NO_BOGON}" = "yes" ]; then
  31         OPTIONS="-N"
  32 else
  33         if [ -n "${LOCAL_NETWORKS}" ]; then
  34                 for i in ${LOCAL_NETWORKS}; do
  35                         OPTIONS="$OPTIONS -n $i"
  36                 done
  37         fi
  38 fi
  39
  40 RETVAL=0
  41 # See how we were called.
  42 case "$1" in
  43   start)
  44         # Check if the service is already running?
  45         if [ ! -f /var/lock/subsys/arpwatch ]; then
  46                 if [ -z "$INTERFACES" ]; then
  47                         INTERFACES="`/sbin/ip link show \
  48                           | egrep '^[^ ].*' |egrep -v "NOARP|LOOPBACK" \
  49                           |sed 's/[0-9]*: \([a-zA-Z0-9]*\)[@:].*/\1/'|xargs`"
  50                 fi
  51                 [ ! -z "$NETWORKS" ] && NETWORKS="-n $NETWORKS"
  52                 for IFC in $INTERFACES; do
  53                         msg_starting "arpwatch ($IFC)"
  54                         touch /var/lib/arpwatch/$IFC.dat
  55                         chown 2:2 /var/lib/arpwatch/$IFC.dat
  56                         daemon arpwatch $NETWORKS -i $IFC -f /var/lib/arpwatch/$IFC.dat -u daemon $OPTIONS
  57                         RETVAL=$?
  58                         [ $RETVAL -eq 0 ] && touch /var/lock/subsys/arpwatch
  59                 done
  60         else
  61                 msg_already_running "arpwatch"
  62         fi
  63         ;;
  64   stop)
  65         if [ -f /var/lock/subsys/arpwatch ]; then
  66                 msg_stopping "arpwatch"
  67                 killproc arpwatch
  68                 rm -f /var/lock/subsys/arpwatch >/dev/null 2>&1
  69         else
  70                 msg_not_running "arpwatch"
  71         fi
  72         ;;
  73   status)
  74         status arpwatch
  75         exit $?
  76         ;;
  77   restart|force-reload)
  78         $0 stop
  79         $0 start
  80         exit $?
  81         ;;
  82   *)
  83         msg_usage "$0 {start|stop|restart|force-reload|status}"
  84         exit 3
  85 esac
  86
  87 exit $RETVAL