dhcp_probe.init

   1 #!/bin/sh
   2 #
   3 # chkconfig:    2345 65 35
   4 # description:  dhcp_probe attempts to discover DHCP and BootP servers on a directly-attached
   5 #               Ethernet network. A network administrator can use this tool to locate
   6 #               unauthorized DHCP and BootP servers.
   7 # processname:  dhcp_probe
   8 # pidfile:      /var/run/dhcp_probe.pid
   9 # config:       /etc/dhcp_probe.cf
  10 ### BEGIN INIT INFO
  11 # Provides:             dhcp_probe
  12 # Required-Start:       $network
  13 # Required-Stop:        $network
  14 # Default-Stop:         0 1 2 6
  15 # Short-Description:    start/stop/restart the dhcp_probe daemon
  16 # Description:          dhcp_probe attempts to discover DHCP and BootP servers.
  17 ### END INIT INFO
  18
  19 # Source function library
  20 . /etc/rc.d/init.d/functions
  21
  22 # Get network config
  23 . /etc/sysconfig/network
  24
  25 [ -f /etc/sysconfig/dhcp_probe ] && . /etc/sysconfig/dhcp_probe
  26
  27 start() {
  28         if [ -f /var/lock/subsys/dhcp_probe ]; then
  29                 msg_already_running "dhcp_probe"
  30                 return
  31         fi
  32         for nic in $INTERFACES; do
  33                 msg_starting "dhcp_probe on $nic"
  34                 daemon /usr/sbin/dhcp_probe -p /var/run/dhcp_probe.$nic.pid $nic
  35         done
  36         touch /var/lock/subsys/dhcp_probe
  37 }
  38
  39 stop() {
  40         if [ ! -f /var/lock/subsys/dhcp_probe ]; then
  41                 msg_not_running "dhcp_probe"
  42                 return
  43         fi
  44         for nic in $INTERFACES; do
  45                 msg_stopping "dhcp_probe on $nic"
  46                 killproc --pidfile /var/run/dhcp_probe.$nic.pid dhcp_probe
  47         done
  48         # kill leftovers if an interface was removed from $INTERFACES
  49         for file in /var/run/dhcp_probe*pid ; do
  50                 nic=${file##/var/run/dhcp_probe.}
  51                 nic=${nic%%pid}
  52                 [ -z "$nic" ] && nic="unknown interface"
  53                 msg_stopping "dhcp_probe on $nic"
  54                 killproc --pidfile $file dhcp_probe
  55         done
  56         rm -f /var/lock/subsys/dhcp_probe >/dev/null 2>&1
  57 }
  58
  59 reload(){
  60         for nic in $INTERFACES; do
  61                 killproc --pidfile /var/run/dhcp_probe.$nic.pid dhcp_probe -HUP
  62         done
  63 }
  64
  65 status_f() {
  66         for nic in $INTERFACES; do
  67                 status --pidfile /var/run/dhcp_probe.$nic.pid "dhcp_probe on $nic"
  68         done
  69 }
  70
  71 condrestart() {
  72         if [ ! -f /var/lock/subsys/dhcp_probe ]; then
  73                 msg_not_running "dhcp_probe"
  74                 return
  75         fi
  76         stop
  77         start
  78 }
  79
  80 RETVAL=0
  81 # See how we were called.
  82 case "$1" in
  83   start)
  84         start
  85         ;;
  86   stop)
  87         stop
  88         ;;
  89   status)
  90         status_f
  91         ;;
  92   restart|force-reload)
  93         stop
  94         start
  95         ;;
  96   reload)
  97         reload
  98         ;;
  99   condrestart|try-restart)
 100         restart
 101         ;;
 102   *)
 103         msg_usage "$0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload}"
 104         exit 3
 105         ;;
 106 esac
 107
 108 exit $RETVAL