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