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|
#!/bin/sh
#
# $FreeBSD$
#
# PROVIDE: pf
# REQUIRE: root mountcritlocal netif pflog
# BEFORE: DAEMON LOGIN
# KEYWORD: nojail
. /etc/rc.subr
name="pf"
rcvar=`set_rcvar`
load_rc_config $name
stop_precmd="test -f ${pf_rules}"
start_precmd="pf_prestart"
start_cmd="pf_start"
stop_cmd="pf_stop"
check_precmd="$stop_precmd"
check_cmd="pf_check"
reload_precmd="$stop_precmd"
reload_cmd="pf_reload"
resync_precmd="$stop_precmd"
resync_cmd="pf_resync"
status_precmd="$stop_precmd"
status_cmd="pf_status"
extra_commands="check reload resync status"
pf_prestart()
{
# load pf kernel module if needed
if ! kldstat -v | grep -q pf\$; then
if kldload pf; then
info 'pf module loaded.'
else
err 1 'pf module failed to load.'
fi
fi
# check for pf rules
if [ ! -r "${pf_rules}" ]; then
warn 'pf: NO PF RULESET FOUND'
return 1
fi
}
pf_start()
{
echo "Enabling pf."
${pf_program:-/sbin/pfctl} -Fa > /dev/null 2>&1
${pf_program:-/sbin/pfctl} -f "${pf_rules}" ${pf_flags}
if ! ${pf_program:-/sbin/pfctl} -si | grep -q "Enabled" ; then
${pf_program:-/sbin/pfctl} -e
fi
}
pf_stop()
{
if ${pf_program:-/sbin/pfctl} -si | grep -q "Enabled" ; then
echo "Disabling pf."
${pf_program:-/sbin/pfctl} -d
fi
}
pf_check()
{
echo "Checking pf rules."
${pf_program:-/sbin/pfctl} -n -f "${pf_rules}"
}
pf_reload()
{
echo "Reloading pf rules."
${pf_program:-/sbin/pfctl} -n -f "${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:-/sbin/pfctl} -Fnat -Fqueue -Frules -FSources -Finfo -FTables -Fosfp > /dev/null 2>&1
${pf_program:-/sbin/pfctl} -f "${pf_rules}" ${pf_flags}
}
pf_resync()
{
# Don't resync if pf is not loaded
if ! kldstat -v | grep -q pf\$ ; then
return
fi
${pf_program:-/sbin/pfctl} -f "${pf_rules}" ${pf_flags}
}
pf_status()
{
${pf_program:-/sbin/pfctl} -si
}
run_rc_command "$1"
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