source: hybrid/branches/releng-10/nanobsd/files/etc/rc.d/pf

#!/bin/sh
#
# $FreeBSD: releng/9.0/etc/rc.d/pf 222007 2011-05-17 07:40:13Z hrs $
#

# PROVIDE: pf
# REQUIRE: FILESYSTEMS netif pflog pfsync
# BEFORE:  routing
# KEYWORD: nojail

. /etc/rc.subr

name="pf"
load_rc_config $name
start_cmd="pf_start"
stop_cmd="pf_stop"
check_cmd="pf_check"
reload_cmd="pf_reload"
resync_cmd="pf_resync"
status_cmd="pf_status"
extra_commands="check reload resync"
required_files="$pf_rules"
required_modules="pf"

pf_start()
{
        check_startmsgs && echo -n '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 -eq
        fi
        check_startmsgs && echo '.'
}

pf_stop()
{
        if $pf_program -s info | grep -q "Enabled" ; then
                echo -n 'Disabling pf'
                $pf_program -dq
                echo '.'
        fi
}

pf_check()
{
        echo "Checking pf rules."
        $pf_program -n -f "$pf_rules" $pf_flags
}

pf_reload()
{
        echo "Reloading pf rules."
        $pf_program -n -f "$pf_rules" $pf_flags || 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"