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#!/bin/sh
#
# $FreeBSD$
#
# PROVIDE: ipfw
# REQUIRE: ppp
# KEYWORD: nojail
. /etc/rc.subr
. /etc/network.subr
name="ipfw"
rcvar="firewall_enable"
start_cmd="ipfw_start"
start_precmd="ipfw_prestart"
stop_cmd="ipfw_stop"
required_modules="ipfw"
set_rcvar_obsolete ipv6_firewall_enable
ipfw_prestart()
{
if checkyesno dummynet_enable; then
required_modules="$required_modules dummynet"
fi
if checkyesno firewall_nat_enable; then
if ! checkyesno natd_enable; then
required_modules="$required_modules ipfw_nat"
fi
fi
}
ipfw_start()
{
local _firewall_type
_firewall_type=$1
# set the firewall rules script if none was specified
[ -z "${firewall_script}" ] && firewall_script=/etc/rc.firewall
if [ -r "${firewall_script}" ]; then
if [ -f /etc/rc.d/natd ] ; then
/etc/rc.d/natd quietstart
fi
/bin/sh "${firewall_script}" "${_firewall_type}"
echo 'Firewall rules loaded.'
elif [ "`ipfw list 65535`" = "65535 deny ip from any to any" ]; then
echo 'Warning: kernel has firewall functionality, but' \
' firewall rules are not enabled.'
echo ' All ip services are disabled.'
fi
# Firewall logging
#
if checkyesno firewall_logging; then
echo 'Firewall logging enabled.'
sysctl net.inet.ip.fw.verbose=1 >/dev/null
fi
# Enable the firewall
#
if ! ${SYSCTL_W} net.inet.ip.fw.enable=1 1>/dev/null 2>&1; then
warn "failed to enable IPv4 firewall"
fi
if afexists inet6; then
if ! ${SYSCTL_W} net.inet6.ip6.fw.enable=1 1>/dev/null 2>&1
then
warn "failed to enable IPv6 firewall"
fi
fi
}
ipfw_stop()
{
# Disable the firewall
#
${SYSCTL_W} net.inet.ip.fw.enable=0
if afexists inet6; then
${SYSCTL_W} net.inet6.ip6.fw.enable=0
fi
if [ -f /etc/rc.d/natd ] ; then
/etc/rc.d/natd quietstop
fi
}
load_rc_config $name
run_rc_command $*
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