HardenedBSD/etc/rc.d/ipfilter
Doug Barton a3f6188b53 Make the pf and ipfw firewalls start before netif, just like ipfilter
already does. This eliminates a logical inconsistency, and a small
window where the system is open after the network comes up.
2009-06-01 05:35:03 +00:00

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#!/bin/sh
#
# $FreeBSD$
#
# PROVIDE: ipfilter
# REQUIRE: FILESYSTEMS
# KEYWORD: nojail
. /etc/rc.subr
name="ipfilter"
rcvar=`set_rcvar`
load_rc_config $name
stop_precmd="test -f ${ipfilter_rules} -o -f ${ipv6_ipfilter_rules}"
start_precmd="$stop_precmd"
start_cmd="ipfilter_start"
stop_cmd="ipfilter_stop"
reload_precmd="$stop_precmd"
reload_cmd="ipfilter_reload"
resync_precmd="$stop_precmd"
resync_cmd="ipfilter_resync"
status_precmd="$stop_precmd"
status_cmd="ipfilter_status"
extra_commands="reload resync status"
required_modules="ipl:ipfilter"
ipfilter_start()
{
echo "Enabling ipfilter."
if [ `sysctl -n net.inet.ipf.fr_running` -le 0 ]; then
${ipfilter_program:-/sbin/ipf} -E
fi
${ipfilter_program:-/sbin/ipf} -Fa
if [ -r "${ipfilter_rules}" ]; then
${ipfilter_program:-/sbin/ipf} \
-f "${ipfilter_rules}" ${ipfilter_flags}
fi
${ipfilter_program:-/sbin/ipf} -6 -Fa
if [ -r "${ipv6_ipfilter_rules}" ]; then
${ipfilter_program:-/sbin/ipf} -6 \
-f "${ipv6_ipfilter_rules}" ${ipfilter_flags}
fi
}
ipfilter_stop()
{
# XXX - The ipf -D command is not effective for 'lkm's
if [ `sysctl -n net.inet.ipf.fr_running` -eq 1 ]; then
echo "Saving firewall state tables"
${ipfs_program:-/sbin/ipfs} -W ${ipfs_flags}
echo "Disabling ipfilter."
${ipfilter_program:-/sbin/ipf} -D
fi
}
ipfilter_reload()
{
echo "Reloading ipfilter rules."
${ipfilter_program:-/sbin/ipf} -I -Fa
if [ -r "${ipfilter_rules}" ]; then
${ipfilter_program:-/sbin/ipf} -I \
-f "${ipfilter_rules}" ${ipfilter_flags}
if [ $? -ne 0 ]; then
err 1 'Load of rules into alternate set failed; aborting reload'
fi
fi
${ipfilter_program:-/sbin/ipf} -I -6 -Fa
if [ -r "${ipv6_ipfilter_rules}" ]; then
${ipfilter_program:-/sbin/ipf} -I -6 \
-f "${ipv6_ipfilter_rules}" ${ipfilter_flags}
if [ $? -ne 0 ]; then
err 1 'Load of IPv6 rules into alternate set failed; aborting reload'
fi
fi
${ipfilter_program:-/sbin/ipf} -s
}
ipfilter_resync()
{
${ipfilter_program:-/sbin/ipf} -y ${ipfilter_flags}
}
ipfilter_status()
{
${ipfilter_program:-/sbin/ipf} -V
}
run_rc_command "$1"