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 GLOBAL_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 "$1" != status ]; then
  23                 msg_network_down "arpwatch"
  24                 exit 1
  25         fi
  26 else
  27         exit 0
  28 fi
  29
  30 if is_yes "${NO_BOGON}"; then
  31         GLOBAL_OPTIONS="$GLOBAL_OPTIONS -N"
  32 else
  33         if [ -n "${LOCAL_NETWORKS}" ]; then
  34                 for i in ${LOCAL_NETWORKS}; do
  35                         GLOBAL_OPTIONS="$GLOBAL_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                         OPTIONS="$GLOBAL_OPTIONS"
  57                         if ! is_yes "${NO_BOGON}"; then
  58                                 eval IF_LOCAL_NETWORKS=\$${IFC}_LOCAL_NETWORKS
  59                                 if [ -n "${IF_LOCAL_NETWORKS}" ]; then
  60                                         for i in ${IF_LOCAL_NETWORKS}; do
  61                                                 OPTIONS="$OPTIONS -n $i"
  62                                         done
  63                                 fi
  64                         fi
  65                         daemon arpwatch $NETWORKS -i $IFC -f /var/lib/arpwatch/$IFC.dat -u daemon $OPTIONS
  66                         RETVAL=$?
  67                         [ $RETVAL -eq 0 ] && touch /var/lock/subsys/arpwatch
  68                 done
  69         else
  70                 msg_already_running "arpwatch"
  71         fi
  72         ;;
  73   stop)
  74         if [ -f /var/lock/subsys/arpwatch ]; then
  75                 msg_stopping "arpwatch"
  76                 killproc arpwatch
  77                 rm -f /var/lock/subsys/arpwatch >/dev/null 2>&1
  78         else
  79                 msg_not_running "arpwatch"
  80         fi
  81         ;;
  82   status)
  83         status arpwatch
  84         exit $?
  85         ;;
  86   restart|force-reload)
  87         $0 stop
  88         $0 start
  89         exit $?
  90         ;;
  91   *)
  92         msg_usage "$0 {start|stop|restart|force-reload|status}"
  93         exit 3
  94 esac
  95
  96 exit $RETVAL