#!/bin/sh
#
# Portions copyright 2003 Richard Laager.
# Copyright Francisco Jesus Monserrat Coll.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote
#    products derived from this software without specific prior written
#    permission.
#
# THIS SOFTWARE IS PROVIDED BY FRANCISCO JESUS MONSERRAT COLL ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL MARC HOROWITZ BE LIABLE FOR ANY DIRECT,
# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# chkconfig: 345 90 30
# description: OpenPGP Public Key Server
# processname: /usr/sbin/pksd
# pidfile: /var/spool/postfix/pid/master.pid
# config: /etc/pksd.conf

#configuration options
PKSD=/usr/sbin/pksd
PKSQUEUE=/usr/bin/pks-queue-run.sh
CONFIG=/etc/pksd.conf
DELAY=3
DB=/var/lib/pks
PKSCLIENT=/usr/bin/pksclient

# Source function library.
. /etc/rc.d/init.d/functions

# Source networking configuration and check that networking is up.
if [ -f /etc/sysconfig/network ] ; then
	. /etc/sysconfig/network
	[ ${NETWORKING} = "no" ] && exit 0
fi

[ -x $PKSD ] || exit 0
[ -x $PKSQUEUE ] || exit 0

[ -e $CONFIG ] || exit 0

RETVAL=0

start () {

    [ -f /var/lock/subsys/pksd ] && exit 1
    [ -f /var/lock/subsys/pks-queue-run.sh ] && exit 1

    echo -n "Repairing pks database:"

    /bin/su - pks -c "$PKSCLIENT $DB/db recover >> $DB/recovery.log 2>&1" 1>/dev/null 2>&1

    if [ $? = 0 ]; then
	echo_success
    else
	echo_failure
    fi

    echo

    echo -n "Starting pks daemon: "

    # start daemon
    umask 000
    daemon  --user pks $PKSD $CONFIG &

    RETVAL=$?

    if [ $RETVAL = 0 ]; then
    	touch /var/lock/subsys/pksd
    	/bin/chmod 777 $DB/pksd_socket
	echo_success
    else
	echo_failure
    	echo
    	return $RETVAL
    fi

    echo

    echo -n "Starting pks queue processing daemon: "

    # start daemon
    umask 000
    daemon  --user pks $PKSQUEUE $CONFIG $DELAY &

    RETVAL=$?

    if [ $RETVAL = 0 ]; then
	touch /var/lock/subsys/pks-queue-run.sh
	echo_success
    else
	echo_failure
    fi

    echo
    return $RETVAL
}

stop () {
    # stop daemon
    echo -n "Stopping pks daemon: "
    killproc $PKSD

    RETVAL=$?
    if [ $RETVAL = 0 ]; then
	rm -f /var/lock/subsys/pksd
    else
	echo_failure
    fi

    echo

    #stop daemon
    echo -n "Stopping pks queue processing daemon: "
    killall `basename $PKSQUEUE 2>/dev/null` 2>/dev/null

    RETVAL2=$?
    if [ $RETVAL2 = 0 ]; then
	rm -f /var/lock/subsys/pks-queue-run.sh
	echo_success
    else
	echo_failure
    fi

    echo
    return $RETVAL
}

restart () {
    stop
    start
    RETVAL=$?
    return $RETVAL
}

# See how we were called.
case "$1" in
    start)
	start
	;;
    stop)
	stop
	;;
    status)
	status $PKSD
	RETVAL=$?
	;;
    restart)
	restart
	;;
    condrestart)
	# only restart if it is already running
	[ -f /var/lock/subsys/pksd ] && restart || :
	;;
    reload)
	echo -n "Reloading pksd: "
	killproc /usr/sbin/pksd -HUP
	RETVAL=$?
	if [ $RETVAL = 0 ]; then
	    echo_success
	else
	    echo_failure
	fi
	echo
	;;
    *)
        echo "Usage: /etc/init.d/pks {start|stop|restart|condrestart|reload|status}"
        RETVAL=1
esac

exit $RETVAL