freebsd-skq/etc/rc.d/pf
Kristof Provost 2f396d3cc3 pf: Friendly error message for status if pf.ko is not loaded
Check if pf.ko is loaded (i.e. /dev/pf exists) before trying to use it. This
means that '/etc/rc.d/pf status' will no longer return 'pfctl: /dev/pf: No such
file or directory' but 'pf.ko is not loaded'.

PR:		205671
Submitted by:	Johannes Jost Meixner <xmj@FreeBSD.org>
2016-03-27 17:22:27 +00:00

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#!/bin/sh
#
# $FreeBSD$
#
# PROVIDE: pf
# REQUIRE: FILESYSTEMS netif pflog pfsync
# BEFORE: routing
# KEYWORD: nojail
. /etc/rc.subr
name="pf"
rcvar="pf_enable"
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_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()
{
if ! [ -c /dev/pf ] ; then
echo "pf.ko is not loaded"
else
$pf_program -s info
fi
}
run_rc_command "$1"