155 lines
4.0 KiB
Bash
155 lines
4.0 KiB
Bash
#! /bin/sh
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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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# altered by Georg Lauterbach as aendeavor 2020-11.05 14:02:00Z
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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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[ -x "${DAEMON}" ] || exit 0
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# shellcheck source=/dev/null
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. /lib/lsb/init-functions
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# Read config file if it is present.
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# shellcheck source=/dev/null
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[ -r "/etc/default/${DAEMON_NAME}" ] && . "/etc/default/${DAEMON_NAME}"
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POSTGREY_OPTS="--pidfile=${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=${POSTGREY_TEXT}"
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fi
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ret=0
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do_start()
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{
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# Return
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# 0 if daemon has been started
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# 1 if daemon was already running
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# 2 if daemon could not be started
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start-stop-daemon --start --quiet --pidfile \
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"${PIDFILE}" --exec "${DAEMON}" --test >/dev/null || return 1
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start-stop-daemon --start --quiet --pidfile \
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"${PIDFILE}" --exec "${DAEMON}" -- "${POSTGREY_OPTS}" \
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"${POSTGREY_TEXT_OPT}" || return 2
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}
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do_stop()
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{
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# Return
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# 0 if daemon has been stopped
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# 1 if daemon was already stopped
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# 2 if daemon could not be stopped
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# other if a failure occurred
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start-stop-daemon --user "${DAEMON_USER}" --stop --quiet \
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--retry=TERM/30/KILL/5 --pidfile "${PIDFILE}"
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RETVAL="$?"
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[ "${RETVAL}" -eq 2 ] && return 2
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# Wait for children to finish too if this is a daemon that forks
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# and if the daemon is only ever run from this initscript.
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# If the above conditions are not satisfied then add some other code
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# that waits for the process to drop all resources that could be
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# needed by services started subsequently. A last resort is to
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# sleep for some time.
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start-stop-daemon --user "${DAEMON_USER}" --stop --quiet \
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--oknodo --retry=0/30/KILL/5 --exec "${DAEMON}"
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[ "$?" -eq 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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