etc/rc.d/ipfw

   1 #!/bin/sh
   2 #
   3 # $FreeBSD$
   4 #
   5
   6 # PROVIDE: ipfw
   7 # REQUIRE: ppp
   8 # KEYWORD: nojail
   9
  10 . /etc/rc.subr
  11 . /etc/network.subr
  12
  13 name="ipfw"
  14 rcvar="firewall_enable"
  15 start_cmd="ipfw_start"
  16 start_precmd="ipfw_prestart"
  17 stop_cmd="ipfw_stop"
  18 required_modules="ipfw"
  19
  20 ipfw_prestart()
  21 {
  22         if checkyesno dummynet_enable; then
  23                 required_modules="$required_modules dummynet"
  24         fi
  25
  26         if checkyesno firewall_nat_enable; then
  27                 if ! checkyesno natd_enable; then
  28                         required_modules="$required_modules ipfw_nat"
  29                 fi
  30         fi
  31 }
  32
  33 ipfw_start()
  34 {
  35         local   _firewall_type
  36
  37         _firewall_type=$1
  38
  39         # set the firewall rules script if none was specified
  40         [ -z "${firewall_script}" ] && firewall_script=/etc/rc.firewall
  41
  42         if [ -r "${firewall_script}" ]; then
  43                 if [ -f /etc/rc.d/natd ] ; then
  44                         /etc/rc.d/natd quietstart
  45                 fi
  46                 /bin/sh "${firewall_script}" "${_firewall_type}"
  47                 echo 'Firewall rules loaded.'
  48         elif [ "`ipfw list 65535`" = "65535 deny ip from any to any" ]; then
  49                 echo 'Warning: kernel has firewall functionality, but' \
  50                     ' firewall rules are not enabled.'
  51                 echo '           All ip services are disabled.'
  52         fi
  53
  54         # Firewall logging
  55         #
  56         if checkyesno firewall_logging; then
  57                 echo 'Firewall logging enabled.'
  58                 sysctl net.inet.ip.fw.verbose=1 >/dev/null
  59         fi
  60
  61         # Enable the firewall
  62         #
  63         if ! ${SYSCTL_W} net.inet.ip.fw.enable=1 1>/dev/null 2>&1; then
  64                 warn "failed to enable firewall"
  65         fi
  66 }
  67
  68 ipfw_stop()
  69 {
  70         # Disable the firewall
  71         #
  72         ${SYSCTL_W} net.inet.ip.fw.enable=0
  73         if [ -f /etc/rc.d/natd ] ; then
  74                 /etc/rc.d/natd quietstop
  75         fi
  76 }
  77
  78 load_rc_config $name
  79 run_rc_command $*