etc/rc.d/ipnat

   1 #!/bin/sh
   2 #
   3 # $NetBSD: ipnat,v 1.12 2004/10/11 15:00:51 christos Exp $
   4 #
   5
   6 # PROVIDE: ipnat
   7 # REQUIRE: ipfilter mountcritremote
   8 # BEFORE:  SERVERS
   9
  10 $_rc_subr_loaded . /etc/rc.subr
  11
  12 name="ipnat"
  13 rcvar=$name
  14 config="/etc/ipnat.conf"
  15 start_cmd="ipnat_start"
  16 stop_cmd="/usr/sbin/ipnat -F -C"
  17 reload_cmd="/usr/sbin/ipnat -C -f ${config}"
  18 restart_cmd="/usr/sbin/ipnat -F -C -f ${config}"
  19 extra_commands="reload"
  20
  21 ipnat_start()
  22 {
  23         if [ ! -f ${config} ]; then
  24                 return 0
  25         fi
  26         if [ "$(/sbin/sysctl -n net.inet.ip.forwarding)" = "0" ]; then
  27                 logger -s -p daemon.warning -t ipnat \
  28                         "WARNING: net.inet.ip.forwarding is 0"
  29         fi
  30         if ! checkyesno ipfilter || [ ! -f /etc/ipf.conf ]; then
  31                 echo "Enabling ipfilter for NAT."
  32                 /sbin/ipf -E -Fa
  33         fi
  34         echo -n "Installing NAT rules ... "
  35         /usr/sbin/ipnat -F -f ${config}
  36 }
  37
  38 load_rc_config $name
  39 load_rc_config_var ipfilter ipfilter
  40 run_rc_command "$1"