freebsd-dev/etc/rc.d/pf
2006-06-05 03:47:14 +00:00

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#!/bin/sh
#
# $FreeBSD$
#
# PROVIDE: pf
# REQUIRE: root mountcritlocal netif pflog pfsync
# BEFORE: routing
# KEYWORD: nojail
. /etc/rc.subr
name="pf"
rcvar=`set_rcvar`
load_rc_config $name
start_precmd="pf_prestart"
start_cmd="pf_start"
stop_cmd="pf_stop"
check_cmd="pf_check"
reload_cmd="pf_reload"
resync_cmd="pf_resync"
status_cmd="pf_status"
extra_commands="check reload resync status"
required_files="$pf_rules"
pf_prestart()
{
# load pf kernel module if needed
if ! kldstat -q -m pf ; then
if kldload pf ; then
info 'pf module loaded.'
else
warn 'pf module failed to load.'
return 1
fi
fi
return 0
}
pf_start()
{
echo "Enabling pf."
$pf_program -F all > /dev/null 2>&1
$pf_program -f "$pf_rules" $pf_flags
if ! $pf_program -s info | grep -q "Enabled" ; then
$pf_program -e
fi
}
pf_stop()
{
if $pf_program -s info | grep -q "Enabled" ; then
echo "Disabling pf."
$pf_program -d
fi
}
pf_check()
{
echo "Checking pf rules."
$pf_program -n -f "$pf_rules"
}
pf_reload()
{
echo "Reloading pf rules."
$pf_program -n -f "$pf_rules" || return 1
# Flush everything but existing state entries that way when
# rules are read in, it doesn't break established connections.
$pf_program -Fnat -Fqueue -Frules -FSources -Finfo -FTables -Fosfp > /dev/null 2>&1
$pf_program -f "$pf_rules" $pf_flags
}
pf_resync()
{
$pf_program -f "$pf_rules" $pf_flags
}
pf_status()
{
$pf_program -s info
}
run_rc_command "$1"