#!/bin/sh
#
# $Id$
#
# Sample init script for Debian GNU/Linux
#
#  Copyright (c) 2002 Georg C. F. Greve <greve@gnu.org>,
#   all rights maintained by FSF Europe e.V., 
#   Villa Vogelsang, Antonienallee 1, 45279 Essen, Germany
#
#   This program is free software; you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation; either version 2 of the License, or
#   (at your option) any later version.
#  
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#  
#   You should have received a copy of the GNU General Public License
#   along with this program; if not, write to the Free Software
#   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
#   Contact:
#            Michael Brown <michaelb@opentext.com>

# This init script was modified on Thu, 30 Jan 2003 02:06:04 -0500 by
# Don Armstrong <don@donarmstrong.com> from contrib/spamass-milter to
# allow force-reload and options specified in
# /etc/default/spamass-milter necessary for inclusion in debian.

# It has been modified additionally to support LSB Boot options and
# status on Friday, July 6, 2007 14:02:44 PDT


### BEGIN INIT INFO
# Provides:          spamass-milter
# Required-Start:    $syslog $local_fs
# Required-Stop:     $syslog $local_fs
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: milter for spamassassin
# Description:       Calls spamassassin to allow filtering out
#                    spam from ham in libmilter compatible MTAs.
### END INIT INFO


PATH=/sbin:/bin:/usr/sbin:/usr/bin
NAME=spamass-milter
DAEMON=/usr/sbin/spamass-milter
SOCKET=/var/run/spamass/spamass.sock
PIDFILE=/var/run/spamass/spamass.pid
DESC="Sendmail milter plugin for SpamAssassin"

DEFAULT=/etc/default/spamass-milter
OPTIONS=""
RUNAS="spamass-milter"
CHUID=""
SOCKETMODE="0600"
SOCKETOWNER="root:root"

test -x $DAEMON || exit 0

if [ -e /etc/mail/sendmail.cf ] && egrep -q 'X.+S=local:/var/run/sendmail/spamass\.sock' /etc/mail/sendmail.cf; then
    SOCKET=/var/run/sendmail/spamass.sock
    SOCKETMODE=""
    SOCKETOWNER=""
    RUNAS=""
    echo "WARNING: You are using the old location of spamass.sock. Change your input filter to use";
    echo "/var/run/spamass/spamass.sock so spamass-milter can run as spamass-milter";
fi;

# If /usr/sbin/postfix exists, set up the defaults for a postfix install
# These can be overridden in /etc/default/spamass-milter
if [ -x /usr/sbin/postfix ]; then
    SOCKET="/var/spool/postfix/spamass/spamass.sock"
    SOCKETOWNER="postfix:postfix"
    SOCKETMODE="0660"
fi;

if [ -r $DEFAULT ]; then
    . $DEFAULT;
fi;

if [ -n "$RUNAS" ]; then
    CHUID="--chuid $RUNAS";
fi;

set -e

start() {
    # Because the default socket is in the same location as the
    # pidfile, we create them in this order.
    if [ ! -d $(dirname $PIDFILE) ]; then
	mkdir -p $(dirname $PIDFILE);
	if [ -d $(dirname $PIDFILE) ] && [ -n "$RUNAS" ]; then
	    chown "$RUNAS" $(dirname $PIDFILE);
	fi;
    fi;
    # if the dirname is '.', then it's some kind of odd socket, like
    # an inet socket. Don't create the directory in such a case
    if [ $(dirname $SOCKET) != "." ] && [ ! -d $(dirname $SOCKET) ]; then
	mkdir -p $(dirname $SOCKET);
	if [ -n "$SOCKETOWNER" ]; then
	    chown "$RUNAS" $(dirname $SOCKET);
	fi;
    fi;
    if [ -n "$RUNAS" ] && [ -d $(dirname $PIDFILE) ] &&
	[ "$(stat -c '%U' $(dirname $PIDFILE))" != "$RUNAS" ]; then
	echo "WARNING: $NAME will run as user $RUNAS but $(dirname $PIDFILE) is not owned by $RUNAS";
	echo "Either delete this directory or chown it appropriately. Startup attempts may fail.";
    fi;
    if [ -n "$RUNAS" ] && [ $(dirname $SOCKET) != "." ] &&
	[ -d $(dirname $SOCKET) ] &&
	[ "$(stat -c '%U' $(dirname $SOCKET))" != "$RUNAS" ]; then
	echo "WARNING: $NAME will run as user $RUNAS but $(dirname $SOCKET) is not owned by $RUNAS";
	echo "Either delete this directory or chown it appropriately. Startup attempts may fail.";
    fi;
    if [ $(dirname $SOCKET) != "." ]; then 
	/bin/rm -f $SOCKET
    fi;
    start-stop-daemon --start -p $PIDFILE $CHUID --exec $DAEMON -- -P $PIDFILE -f -p $SOCKET $OPTIONS
    sleep 1s
    if [ -n "$SOCKETMODE" ]; then
	chmod $SOCKETMODE $SOCKET;
    fi;
    if [ -n "$SOCKETOWNER" ]; then
	chown $SOCKETOWNER $SOCKET;
    fi;
}

stop(){
    start-stop-daemon --oknodo --stop -p $PIDFILE --signal 3 --exec $DAEMON
    /bin/sleep 5s
    /bin/rm -f $SOCKET
    /bin/rm -f $PIDFILE
}

status(){
    if [ -e $PIDFILE ]; then 
	if kill -0 $(cat $PIDFILE); then
	    echo "${NAME} running";
	    exit 0;
	else
	    echo "${NAME} dead but $PIDFILE exists";
	    exit 1;
	fi;
	echo "${NAME} not running";
	exit 3;
    fi;
}

case "$1" in
  start)
	echo -n "Starting $DESC: "
	start
	echo "${NAME}"
	;;
  stop)
	echo -n "Stopping $DESC: "
	stop
	echo "${NAME}"
	;;
  force-reload | restart)
	echo -n "Restarting $DESC: "

	stop
	start
	echo "${NAME}"
	;;
  status)
	status
	;;
  *)
	N=$0
	echo "Usage: $N {start|stop|restart|force-reload|status}" >&2
	exit 1
	;;
esac

exit 0