freebsd-dev/etc/rc.d/pflog
Josh Paetzel e2838b315a Add support for multiple instances of ftp-proxy
and pflog devices.

PR:	conf/158171
Submitted by:	Thomas Johnson <tom@claimlynx.com>
2013-11-13 03:50:31 +00:00

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#!/bin/sh
#
# $FreeBSD$
#
# PROVIDE: pflog
# REQUIRE: FILESYSTEMS netif FILESYSTEMS
# KEYWORD: nojail
. /etc/rc.subr
name="pflog"
rcvar="pflog_enable"
command="/sbin/pflogd"
pidfile="/var/run/pflogd.pid"
start_precmd="pflog_prestart"
stop_postcmd="pflog_poststop"
extra_commands="reload resync"
# for backward compatibility
resync_cmd="pflog_resync"
pflog_prestart()
{
load_kld pflog || return 1
# set pflog_dev interface to up state
if ! ifconfig $pflog_dev up; then
warn "could not bring up $pflog_dev."
return 1
fi
# prepare the command line for pflogd
rc_flags="-f $pflog_logfile -i $pflog_dev $rc_flags"
# report we're ready to run pflogd
return 0
}
pflog_poststart() {
# Allow child pflogd to settle
sleep 0.10
# More elegant(?) method for getting a unique pid
if [ -f /var/run/pflogd.pid ]; then
mv /var/run/pflogd.pid $pidfile
else
warn "/var/run/pflogd.pid does not exist. Too fast."
fi
}
pflog_poststop()
{
if ! ifconfig $pflog_dev down; then
warn "could not bring down $pflog_dev."
return 1
fi
if [ "$pflog_instances" ] && [ -n "$pflog_instances" ]; then
rm $pidfile
fi
return 0
}
# for backward compatibility
pflog_resync()
{
run_rc_command reload
}
load_rc_config $name
# Check if spawning multiple pflogd
echo "Starting pflogd: $pflog_instances"
if [ "$pflog_instances" ] && [ -n "$pflog_instances" ]; then
start_postcmd="pflog_poststart"
# Interate through requested instances.
for i in $pflog_instances; do
# Set required variables
eval pflog_dev=\$pflog_${i}_dev
eval pflog_logfile=\$pflog_${i}_logfile
eval pflog_flags=\$pflog_${i}_flags
# Check that required vars have non-zero length, warn if not.
if [ -z $pflog_dev ]; then
warn "pflog_dev not set"
continue
fi
if [ -z $pflog_logfile ]; then
warn "pflog_logfile not set"
continue
fi
# pflogd sets a pidfile, but the name is hardcoded. Concoct a
# unique pidfile name.
pidfile="/var/run/pflogd.$i.pid"
run_rc_command "$1"
done
else
# Typical case, spawn single instance only.
pflog_dev=${pflog_dev:-"pflog0"}
run_rc_command "$1"
fi