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290 lines
7.0 KiB
Bash
290 lines
7.0 KiB
Bash
#! /bin/sh
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# /etc/init.d/exim4
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#
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# Written by Miquel van Smoorenburg <miquels@drinkel.ow.org>.
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# Modified for Debian GNU/Linux by Ian Murdock <imurdock@gnu.ai.mit.edu>.
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# Modified for exim by Tim Cutts <timc@chiark.greenend.org.uk>
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# Modified for exim4 by Andreas Metzler <ametzler@debian.org>
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# and Marc Haber <mh+debian-packages@zugschlus.de>
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### BEGIN INIT INFO
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# Provides: exim4
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# Required-Start: $remote_fs $syslog $named $network $time
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# Required-Stop: $remote_fs $syslog $named $network
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# Should-Start: postgresql mysql clamav-daemon greylist spamassassin
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# Should-Stop: postgresql mysql clamav-daemon greylist spamassassin
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Short-Description: exim Mail Transport Agent
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# Description: exim is a Mail Transport agent
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### END INIT INFO
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set -e
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test -x /usr/lib/exim4/exim4 || exit 0
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. /lib/lsb/init-functions
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if [ -n "$EX4DEBUG" ]; then
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echo "now debugging $0 $@"
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set -x
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fi
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LANG=C
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export LANG
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#read default file
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QUEUERUNNER='combined'
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QUEUEINTERVAL='30m'
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UPEX4OPTS=''
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[ -f /etc/default/exim4 ] && . /etc/default/exim4
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PIDFILE="/run/exim4/exim.pid"
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QRPIDFILE="/run/exim4/eximqr.pid"
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upex4conf() {
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UPEX4CONF="update-exim4.conf"
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OLDIFS="$IFS"
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IFS=:
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for p in $PATH; do
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if [ -x "$p/$UPEX4CONF" ]; then
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IFS="$OLDIFS"
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$p/$UPEX4CONF $UPEX4OPTS $1
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return 0
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fi
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done
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IFS="$OLDIFS"
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}
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# Exit if exim runs from /etc/inetd.conf
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if [ -f /etc/inetd.conf ] && grep -E -q '^[[:space:]]*((\*|[[:alnum:].-]+):)?smtp[[:space:]]' /etc/inetd.conf
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then
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upex4conf
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exit 0
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fi
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DAEMON="/usr/sbin/exim4"
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NAME="exim4"
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# this is from madduck on IRC, 2006-07-06
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# There should be a better possibility to give daemon error messages
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# and/or to log things
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log()
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{
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case "$1" in
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[[:digit:]]*) success=$1; shift;;
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*) :;;
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esac
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log_action_begin_msg "$1"; shift
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log_action_end_msg ${success:-0} "$*"
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}
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start_exim()
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{
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[ -e /run/exim4 ] || \
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install -d -oDebian-exim -gDebian-exim -m750 /run/exim4
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case ${QUEUERUNNER} in
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combined)
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start_daemon -p "$PIDFILE" \
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"$DAEMON" -bd "-q${QFLAGS}${QUEUEINTERVAL}" \
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${COMMONOPTIONS} \
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${QUEUERUNNEROPTIONS} \
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${SMTPLISTENEROPTIONS}
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log_progress_msg "exim4"
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;;
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separate)
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start_daemon -p "$PIDFILE" \
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"$DAEMON" -bd \
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${COMMONOPTIONS} \
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${SMTPLISTENEROPTIONS}
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log_progress_msg "exim4_listener"
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start_daemon -p "$QRPIDFILE" \
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"$DAEMON" -oP $QRPIDFILE \
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"-q${QFLAGS}${QUEUEINTERVAL}" \
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${COMMONOPTIONS} \
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${QUEUERUNNEROPTIONS}
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log_progress_msg "exim4_queuerunner"
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;;
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queueonly)
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start_daemon -p "$PIDFILE" \
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"$DAEMON" -oP $PIDFILE \
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"-q${QFLAGS}${QUEUEINTERVAL}" \
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${COMMONOPTIONS} \
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${QUEUERUNNEROPTIONS}
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log_progress_msg "exim4_queuerunner"
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;;
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no|ppp)
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start_daemon -p "$PIDFILE" \
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"$DAEMON" -bd \
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${COMMONOPTIONS} \
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${SMTPLISTENEROPTIONS}
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log_progress_msg "exim4_listener"
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;;
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nodaemon)
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;;
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esac
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}
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stop_exim()
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{
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# we try to kill eximqr and exim SMTP listener, no matter what
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# ${QUEUERUNNER} is set to, we could have switched since starting.
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if [ -f "$QRPIDFILE" ]; then
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start-stop-daemon --stop --retry 5 --quiet --oknodo --remove-pidfile \
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--pidfile "$QRPIDFILE" \
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--exec "$DAEMON"
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# exim does not remove the pidfile
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if [ $? -eq 2 ] ; then rm -f "$QRPIDFILE" ; fi
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log_progress_msg "exim4_queuerunner"
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fi
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if [ -f "$PIDFILE" ]; then
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start-stop-daemon --stop --retry 5 --quiet --oknodo --remove-pidfile \
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--pidfile "$PIDFILE" \
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--exec "$DAEMON"
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# exim does not remove the pidfile
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if [ $? -eq 2 ] ; then rm -f "$PIDFILE" ; fi
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log_progress_msg "exim4_listener"
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fi
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}
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reload_exim()
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{
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case ${QUEUERUNNER} in
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combined|no|ppp|queueonly)
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start-stop-daemon --stop --signal HUP --quiet --oknodo \
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--pidfile "$PIDFILE" \
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--exec "$DAEMON"
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log_progress_msg "exim4"
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;;
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separate)
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start-stop-daemon --stop --signal HUP --quiet --oknodo \
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--pidfile "$PIDFILE" \
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--exec "$DAEMON"
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log_progress_msg "exim4_listener"
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start-stop-daemon --stop --signal HUP --quiet --oknodo \
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--pidfile "$QRPIDFILE" \
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--exec "$DAEMON"
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log_progress_msg "exim4_queuerunner"
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;;
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esac
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}
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kill_all_exims()
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{ SIG="${1:-TERM}"
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for pid in $(pidof $NAME); do
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if [ "$(readlink /proc/$pid/root)" = "/" ]; then
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kill -$SIG $pid
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fi
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done
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}
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status()
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{
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# the exit value of this function reflects the status of the SMTP
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# service. Output shows the status of the queue runner as well.
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SMTPNAME="SMTP listener daemon"
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QRNAME="separate queue runner daemon"
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if [ "${QUEUERUNNER}" = "combined" ]; then
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SMTPNAME="combined SMTP listener and queue runner daemon"
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elif [ "${QUEUERUNNER}" = "queueonly" ]; then
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SMTPNAME="separate queue runner daemon"
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fi
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log_action_begin_msg "checking $QRNAME"
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if pidofproc -p "$QRPIDFILE" "$DAEMON" >/dev/null; then
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log_action_end_msg 0 "running"
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else
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if [ -e "$QRPIDFILE" ]; then
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log_action_end_msg 1 "$QRNAME failed"
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else
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log_action_end_msg 0 "not running"
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fi
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fi
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log_action_begin_msg "checking $SMTPNAME"
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if pidofproc -p "$PIDFILE" "$DAEMON" >/dev/null; then
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log_action_end_msg 0 "running"
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exit 0
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else
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if [ -e "$PIDFILE" ]; then
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log_action_end_msg 1 "$SMTPNAME failed"
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exit 1
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else
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log_action_end_msg 0 "not running"
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exit 3
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fi
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fi
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}
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# check for valid configuration file
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isconfigvalid()
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{
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if ! $DAEMON -bV > /dev/null ; then
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log 1 "Warning! Invalid configuration file for $NAME. Exiting."
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exit 1
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fi
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}
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# check for non-empty paniclog
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warn_paniclog()
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{
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if [ -s "/var/log/exim4/paniclog" ]; then
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if [ -z "$E4BCD_PANICLOG_NOISE" ] || grep -vq "$E4BCD_PANICLOG_NOISE" /var/log/exim4/paniclog; then
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echo "ALERT: exim paniclog /var/log/exim4/paniclog has non-zero size, mail system possibly broken" 1>&2
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fi
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fi
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}
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case "$1" in
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start)
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log_daemon_msg "Starting MTA"
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# regenerate exim4.conf
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upex4conf
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isconfigvalid
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start_exim
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log_end_msg 0
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warn_paniclog
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;;
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stop)
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log_daemon_msg "Stopping MTA"
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stop_exim
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log_end_msg 0
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warn_paniclog
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;;
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restart)
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# check whether newly generated config would work
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upex4conf --check
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log_daemon_msg "Stopping MTA for restart"
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stop_exim
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# regenerate exim4.conf
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upex4conf
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isconfigvalid
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log_end_msg 0
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sleep 2
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log_daemon_msg "Restarting MTA"
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start_exim
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log_end_msg 0
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warn_paniclog
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;;
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reload|force-reload)
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log_daemon_msg "Reloading $NAME configuration files"
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# regenerate exim4.conf
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upex4conf
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isconfigvalid
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reload_exim
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log_end_msg 0
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warn_paniclog
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;;
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status)
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status
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;;
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force-stop)
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kill_all_exims $2
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;;
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*)
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echo "Usage: $0 {start|stop|restart|reload|status|force-stop}"
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exit 1
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;;
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esac
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exit 0
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# vim:tabstop=2:expandtab:shiftwidth=2
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