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#! /bin/sh
# /etc/init.d/exim4
#
# Written by Miquel van Smoorenburg <miquels@drinkel.ow.org>.
# Modified for Debian GNU/Linux by Ian Murdock <imurdock@gnu.ai.mit.edu>.
# Modified for exim by Tim Cutts <timc@chiark.greenend.org.uk>
# Modified for exim4 by Andreas Metzler <ametzler@downhill.at.eu.org>
# and Marc Haber <mh+debian-packages@zugschlus.de>
### BEGIN INIT INFO
# Provides: exim4 mail-transport-agent
# Required-Start: $local_fs $remote_fs $syslog $named $network $time
# Required-Stop: $local_fs $remote_fs $syslog $named $network
# Should-Start: postgresql mysql clamav-daemon greylist spamassassin
# Should-Stop: postgresql mysql clamav-daemon greylist spamassassin
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: exim Mail Transport Agent
# Description: exim is a Mail Transport agent
### END INIT INFO
set -e
if ! [ -x "/lib/lsb/init-functions" ]; then
. /lib/lsb/init-functions
else
echo "E: /lib/lsb/init-functions not found, lsb-base (>= 3.0-6) needed"
exit 1
fi
if [ -n "$EX4DEBUG" ]; then
echo "now debugging $0 $@"
set -x
fi
ENV="env -i LANG=C PATH=$PATH"
#read default file
QUEUERUNNER='combined'
QUEUEINTERVAL='30m'
UPEX4OPTS=''
PIDFILE="/var/run/exim4/exim.pid"
QRPIDFILE="/var/run/exim4/eximqr.pid"
[ -f /etc/default/exim4 ] && . /etc/default/exim4
upex4conf() {
UPEX4CONF="update-exim4.conf"
OLDIFS="$IFS"
IFS=:
for p in $PATH; do
if [ -x "$p/$UPEX4CONF" ]; then
IFS="$OLDIFS"
$p/$UPEX4CONF $UPEX4OPTS
return 0
fi
done
IFS="$OLDIFS"
}
# Exit if exim runs from /etc/inetd.conf
if [ -f /etc/inetd.conf ] && grep -E -q '^[[:space:]]*((\*|[[:alnum:].-]+):)?smtp' /etc/inetd.conf
then
upex4conf
exit 0
fi
DAEMON="/usr/sbin/exim4"
NAME="exim4"
##test -x $DAEMON || exit 0
test -x /usr/lib/exim4/exim4 || exit 0
# this is from madduck on IRC, 2006-07-06
# There should be a better possibility to give daemon error messages
# and/or to log things
log()
{
case "$1" in
[[:digit:]]*) success=$1; shift;;
*) :;;
esac
log_action_begin_msg "$1"; shift
log_action_end_msg ${success:-0} "$*"
}
start_exim()
{
[ -e /var/run/exim4 ] || \
install -d -oDebian-exim -gDebian-exim -m750 /var/run/exim4
case ${QUEUERUNNER} in
combined)
$ENV start-stop-daemon --oknodo --start --pidfile "$PIDFILE" \
--exec $DAEMON -- -bd -q${QFLAGS}${QUEUEINTERVAL} \
${COMMONOPTIONS} ${QUEUERUNNEROPTIONS} ${SMTPLISTENEROPTIONS}
log_progress_msg "exim4"
;;
separate)
$ENV start-stop-daemon --oknodo --start --pidfile "$PIDFILE" \
--exec $DAEMON -- -bd ${SMTPLISTENEROPTIONS} ${COMMONOPTIONS}
log_progress_msg "exim4_listener"
$ENV start-stop-daemon --oknodo --start --pidfile "$QRPIDFILE" \
--exec $DAEMON -- -oP "$QRPIDFILE" \
-q${QFLAGS}${QUEUEINTERVAL} ${QUEUERUNNEROPTIONS} ${COMMONOPTIONS}
log_progress_msg "exim4_queuerunner"
;;
queueonly)
$ENV start-stop-daemon --oknodo --start --pidfile "$QRPIDFILE" \
--exec $DAEMON -- -oP "$QRPIDFILE" \
-q${QFLAGS}${QUEUEINTERVAL} ${QUEUERUNNEROPTIONS} ${COMMONOPTIONS}
log_progress_msg "exim4_queuerunner"
;;
no|ppp)
$ENV start-stop-daemon --oknodo --start --pidfile "$PIDFILE" \
--exec $DAEMON -- -bd ${SMTPLISTENEROPTIONS}
log_progress_msg "exim4_listener"
;;
nodaemon)
;;
esac
}
stop_exim()
{
# we try to kill eximqr and exim SMTP listener, no matter what
# ${QUEUERUNNER} is set to, we could have switched since starting.
if [ -f "$QRPIDFILE" ]; then
start-stop-daemon --stop --oknodo --pidfile "$QRPIDFILE" \
--oknodo --retry 30 --exec $DAEMON
log_progress_msg "exim4_queuerunner"
fi
if [ -f "$PIDFILE" ]; then
start-stop-daemon --stop --oknodo --pidfile "$PIDFILE" \
--oknodo --retry 30 --exec $DAEMON
log_progress_msg "exim4_listener"
fi
rm -f "$QRPIDFILE" "$PIDFILE"
}
reload_exim()
{
case ${QUEUERUNNER} in
combined|no|ppp)
start-stop-daemon --stop --pidfile "$PIDFILE" \
--signal 1 --exec $DAEMON
log_progress_msg "exim4"
;;
separate)
start-stop-daemon --stop --pidfile "$PIDFILE" \
--signal 1 --exec $DAEMON
log_progress_msg "exim4_listener"
start-stop-daemon --stop --pidfile "$QRPIDFILE" \
--signal 1 --exec $DAEMON
log_progress_msg "exim4_queuerunner"
;;
esac
}
kill_all_exims()
{ SIG="${1:-TERM}"
for pid in $(pidof $NAME); do
if [ "$(readlink /proc/$pid/root)" = "/" ]; then
kill -$SIG $pid
fi
done
}
status()
{
# the exit value of this function reflects the status of the SMTP
# service. Output shows the status of the queue runner as well.
SMTPNAME="SMTP listener daemon"
QRNAME="separate queue runner daemon"
if [ "${QUEUERUNNER}" = "combined" ]; then
SMTPNAME="combined SMTP listener and queue runner daemon"
fi
log_action_begin_msg "checking $QRNAME"
if start-stop-daemon --stop --signal 0 --quiet --pid $QRPIDFILE >/dev/null; then
log_action_end_msg 0 "running"
else
if [ -e "$QRPIDFILE" ]; then
log_action_end_msg 1 "$QRNAME failed"
else
log_action_end_msg 0 "not running"
fi
fi
log_action_begin_msg "checking $SMTPNAME"
if start-stop-daemon --stop --signal 0 --quiet --pid $PIDFILE >/dev/null; then
log_action_end_msg 0 "running"
exit 0
else
if [ -e "$PIDFILE" ]; then
log_action_end_msg 1 "$SMTPNAME failed"
exit 1
else
log_action_end_msg 0 "not running"
exit 3
fi
fi
}
# check for valid configuration file
isconfigvalid()
{
if ! $DAEMON -bV > /dev/null ; then
log 1 "Warning! Invalid configuration file for $NAME. Exiting."
exit 1
fi
}
# check for non-empty paniclog
warn_paniclog()
{
if [ -s "/var/log/exim4/paniclog" ]; then
if [ -z "$E4BCD_PANICLOG_NOISE" ] || grep -vq "$E4BCD_PANICLOG_NOISE" /var/log/exim4/paniclog; then
log_failure_msg "ALERT: exim paniclog /var/log/exim4/paniclog has non-zero size, mail system possibly broken"
fi
fi
}
case "$1" in
start)
log_daemon_msg "Starting MTA"
# regenerate exim4.conf
upex4conf
isconfigvalid
start_exim
log_end_msg 0
warn_paniclog
;;
stop)
log_daemon_msg "Stopping MTA"
stop_exim
log_end_msg 0
warn_paniclog
;;
restart)
log_daemon_msg "Stopping MTA for restart"
# regenerate exim4.conf
upex4conf
isconfigvalid
stop_exim
log_end_msg 0
sleep 2
log_daemon_msg "Restarting MTA"
start_exim
log_end_msg 0
warn_paniclog
;;
reload|force-reload)
log_daemon_msg "Reloading $NAME configuration files"
# regenerate exim4.conf
upex4conf
isconfigvalid
reload_exim
log_end_msg 0
warn_paniclog
;;
status)
status
;;
what)
exiwhat
;;
force-stop)
kill_all_exims $2
;;
*)
echo "Usage: $0 {start|stop|restart|reload|status|what|force-stop}"
exit 1
;;
esac
exit 0
# vim:tabstop=2:expandtab:shiftwidth=2
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