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|
#!/bin/sh -e
#
# /etc/init.d/farpd
#
# Originally written by Miquel van Smoorenburg <miquels@drinkel.ow.org>.
# Modified for Debian GNU/Linux by Ian Murdock <imurdock@gnu.ai.mit.edu>.
# Modified for nessusd by Luca Andreucci <andrew@andrew.org>
# Furter changes by Javier Fernandez-Sanguino <jfs@debian.org> for the
# Debian GNU/Linux distribution
# Modified for farpd by Javier Fernandez-Sanguino <jfs@debian.org>
#
### BEGIN INIT INFO
# Provides: farpd
# Required-Start: $network $syslog
# Required-Stop: $network $syslog
# Default-Start:
# Default-Stop: 0 1 6
# Short-Description: Daemon that replies to any ARP requests
# Description: Farpd ('fake ARPD') will reply to any ARP request for IP
# addresses matching a destination net with the MAC
# address of the specified interface if no hosts claims it.
### END INIT INFO
# Default
INTERFACE=""
NETWORK="unconfigured"
# time to wait for daemons death, in seconds
# don't set it too low or you might not let it die gracefully
DODTIME=1
[ -r /etc/default/farpd ] && . /etc/default/farpd
. /lib/lsb/init-functions
DAEMON=/usr/sbin/farpd
PIDFILE=/var/run/farpd.pid
NAME=farpd
LABEL="Fake-arpd daemon"
DAEMONOPTS="$NETWORK"
if [ -n "$INTERFACE" ] ; then
DAEMONOPTS="-i $INTERFACE "
fi
if [ -n "$NETWORK" ] ; then
DAEMONOPTS="$DAEMONOPTS $NETWORK "
fi
test -x $DAEMON || exit 0
configured() {
# Check if the user has configured it
if [ "$NETWORK" = "unconfigured" ] ; then
log_failure_msg "Fake-arpd has not been configured, please review and configure /etc/default/farpd"
log_end_msg 1
fi
}
running()
{
# No pidfile, probably no daemon present
#
[ -r "$PIDFILE" ] && pid=`cat $PIDFILE`
# No pid, probably no daemon present
[ -z "$pid" ] && return 1
[ ! -d /proc/$pid ] && return 1
cmd=`cat /proc/$pid/cmdline | tr "\000" "\n"|head -n 1 |cut -d : -f 1`
# No process?
[ "$cmd" != "$DAEMON" ] && return 1
return 0
}
start() {
start-stop-daemon --start --exec $DAEMON -- $DAEMONOPTS 2>&1 >/dev/null
errcode=$?
# If we don't sleep then running() might not see the pidfile
sleep $DODTIME
return $errcode
}
force_stop() {
[ ! -e "$PIDFILE" ] && return
if running ; then
kill -15 $pid
# Is it really dead?
sleep "$DODTIME"s
if running ; then
kill -9 $pid
sleep "$DODTIME"s
if running ; then
log_failure_msg "Cannot kill $LABEL (pid=$pid)!"
log_end_msg 1
fi
fi
fi
rm -f $PIDFILE
}
case "$1" in
start)
configured
log_daemon_msg "Starting $LABEL" "$NAME"
if start && running ; then
log_end_msg 0
else
log_end_msg 1
fi
;;
stop)
log_daemon_msg "Stopping $LABEL" "$NAME"
start-stop-daemon --stop --pidfile $PIDFILE --quiet --oknodo --exec $DAEMON
if running; then
force_stop
fi
log_end_msg 0
;;
reload|force-reload|restart)
configured
log_daemon_msg "Restarting $LABEL" "$NAME"
if running; then
start-stop-daemon --stop --pidfile $PIDFILE --quiet --oknodo --exec $DAEMON
sleep "$DODTIME"s
fi
if running; then
force_stop
fi
if start && running ; then
log_end_msg 0
else
log_end_msg 1
fi
;;
status)
configured
echo -n "$LABEL is "
if running ; then
echo "running"
else
echo " not running."
exit 1
fi
;;
*)
log_action_msg "Usage: /etc/init.d/$NAME {start|stop|restart|reload|status}"
exit 2
;;
esac
exit 0
|
