121 lines
2.5 KiB
Bash
Executable File
121 lines
2.5 KiB
Bash
Executable File
#!/bin/sh
|
|
#
|
|
# $NetBSD: ipfilter,v 1.10 2001/02/28 17:03:50 lukem Exp $
|
|
# $FreeBSD$
|
|
#
|
|
|
|
# PROVIDE: ipfilter
|
|
# REQUIRE: root mountcritlocal
|
|
# BEFORE: netif
|
|
# KEYWORD: nojail
|
|
|
|
. /etc/rc.subr
|
|
|
|
name="ipfilter"
|
|
rcvar=`set_rcvar`
|
|
load_rc_config $name
|
|
stop_precmd="test -f ${ipfilter_rules} -o -f ${ipv6_ipfilter_rules}"
|
|
|
|
start_precmd="ipfilter_prestart"
|
|
start_cmd="ipfilter_start"
|
|
stop_cmd="ipfilter_stop"
|
|
reload_precmd="$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"
|
|
|
|
ipfilter_loaded()
|
|
{
|
|
if ! kldstat -v | grep "IP Filter" > /dev/null 2>&1; then
|
|
return 1
|
|
else
|
|
return 0
|
|
fi
|
|
}
|
|
|
|
ipfilter_prestart()
|
|
{
|
|
# load ipfilter kernel module if needed
|
|
if ! ipfilter_loaded; then
|
|
if kldload ipl; then
|
|
info 'IP-filter module loaded.'
|
|
else
|
|
err 1 'IP-filter module failed to load.'
|
|
fi
|
|
fi
|
|
|
|
# check for ipfilter rules
|
|
if [ ! -r "${ipfilter_rules}" ] && [ ! -r "${ipv6_ipfilter_rules}" ]
|
|
then
|
|
warn 'IP-filter: NO IPF RULES'
|
|
return 1
|
|
fi
|
|
return 0
|
|
}
|
|
|
|
ipfilter_start()
|
|
{
|
|
echo "Enabling ipfilter."
|
|
if [ `sysctl -n net.inet.ipf.fr_running` -eq 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}
|
|
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}
|
|
fi
|
|
${ipfilter_program:-/sbin/ipf} -s
|
|
|
|
}
|
|
|
|
ipfilter_resync()
|
|
{
|
|
# Don't resync if ipfilter is not loaded
|
|
if ! ipfilter_loaded; then
|
|
return
|
|
fi
|
|
${ipfilter_program:-/sbin/ipf} -y ${ipfilter_flags}
|
|
}
|
|
|
|
ipfilter_status()
|
|
{
|
|
${ipfilter_program:-/sbin/ipf} -V
|
|
}
|
|
|
|
run_rc_command "$1"
|