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|
#! /bin/sh
#
# postgrey start/stop the postgrey greylisting deamon for postfix
# (priority should be smaller than that of postfix)
#
# Author: (c)2004-2006 Adrian von Bidder <avbidder@fortytwo.ch>
# Based on Debian sarge's 'skeleton' example
# Distribute and/or modify at will.
#
# Version: $Id: postgrey.init 1436 2006-12-07 07:15:03Z avbidder $
#
### BEGIN INIT INFO
# Provides: postgrey
# Required-Start: $syslog $local_fs $remote_fs
# Required-Stop: $syslog $local_fs $remote_fs
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Start/stop the postgrey daemon
### END INIT INFO
set -e
PATH=/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/sbin/postgrey
DAEMON_NAME=postgrey
DESC="postfix greylisting daemon"
DAEMON_USER=postgrey
PIDFILE=/var/run/$DAEMON_NAME.pid
SCRIPTNAME=/etc/init.d/$DAEMON_NAME
# Gracefully exit if the package has been removed.
test -x $DAEMON || exit 0
. /lib/lsb/init-functions
# Read config file if it is present.
if [ -r /etc/default/$DAEMON_NAME ]
then
. /etc/default/$DAEMON_NAME
fi
POSTGREY_OPTS="--pidfile=$PIDFILE --daemonize $POSTGREY_OPTS"
if [ -z "$POSTGREY_TEXT" ]; then
POSTGREY_TEXT_OPT=""
else
POSTGREY_TEXT_OPT="--greylist-text=$POSTGREY_TEXT"
fi
ret=0
do_start()
{
# Return
# 0 if daemon has been started
# 1 if daemon was already running
# 2 if daemon could not be started
start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test > /dev/null \
|| return 1
start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- \
$POSTGREY_OPTS "$POSTGREY_TEXT_OPT" \
|| return 2
}
do_stop()
{
# Return
# 0 if daemon has been stopped
# 1 if daemon was already stopped
# 2 if daemon could not be stopped
# other if a failure occurred
start-stop-daemon --user $DAEMON_USER --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE
RETVAL="$?"
[ "$RETVAL" = 2 ] && return 2
# Wait for children to finish too if this is a daemon that forks
# and if the daemon is only ever run from this initscript.
# If the above conditions are not satisfied then add some other code
# that waits for the process to drop all resources that could be
# needed by services started subsequently. A last resort is to
# sleep for some time.
start-stop-daemon --user $DAEMON_USER --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON
[ "$?" = 2 ] && return 2
# Many daemons don't delete their pidfiles when they exit.
rm -f $PIDFILE
return "$RETVAL"
}
do_reload()
{
#
# If the daemon can reload its configuration without
# restarting (for example, when it is sent a SIGHUP),
# then implement that here.
#
start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE
return 0
}
case "$1" in
start)
[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$DAEMON_NAME"
do_start
case "$?" in
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
esac
;;
stop)
[ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$DAEMON_NAME"
do_stop
case "$?" in
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
esac
;;
reload|force-reload)
[ "$VERBOSE" != no ] && log_daemon_msg "Reloading $DESC" "$DAEMON_NAME"
do_reload
case "$?" in
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
esac
;;
restart)
do_stop
do_start
;;
status)
status_of_proc -p $PIDFILE $DAEMON "$DAEMON_NAME" 2>/dev/null
ret=$?
;;
*)
echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload|status}" >&2
exit 1
;;
esac
exit $ret
|
