freebsd-dev/etc/rc.d/pflog

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#!/bin/sh
#
# $FreeBSD$
#
# PROVIDE: pflog
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# REQUIRE: FILESYSTEMS netif
# KEYWORD: nojail
. /etc/rc.subr
name="pflog"
desc="Packet filter logging interface"
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
# create pflog_dev interface if needed
if ! ifconfig $pflog_dev > /dev/null 2>&1; then
if ! ifconfig $pflog_dev create; then
warn "could not create $pflog_dev."
return 1
fi
fi
# set pflog_dev interface to up state
if ! ifconfig $pflog_dev up; then
warn "could not bring up $pflog_dev."
return 1
fi
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# -p flag requires stripping pidfile's leading /var/run and trailing .pid
pidfile=$(echo $pidfile | sed -e 's|/var/run/||' -e 's|.pid$||')
# prepare the command line for pflogd
rc_flags="-p $pidfile -f $pflog_logfile -i $pflog_dev $rc_flags"
# report we're ready to run pflogd
return 0
}
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 and told what to spawn
if [ -n "$2" ]; then
# Set required variables
eval pflog_dev=\$pflog_${2}_dev
eval pflog_logfile=\$pflog_${2}_logfile
eval pflog_flags=\$pflog_${2}_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
# Provide a unique pidfile name for pflogd -p <pidfile> flag
pidfile="/var/run/pflogd.$2.pid"
# Override service name and execute command
name=$pflog_dev
run_rc_command "$1"
# Check if spawning multiple pflogd and not told what to spawn
elif [ "$pflog_instances" ] && [ -n "$pflog_instances" ]; then
# Interate through requested instances.
for i in $pflog_instances; do
/etc/rc.d/pflog $1 $i
done
else
# Typical case, spawn single instance only.
pflog_dev=${pflog_dev:-"pflog0"}
run_rc_command "$1"
fi