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#!/bin/sh
#
# Fetchmail init script
# Latest change: Do Aug 30 16:04:39 CEST 2012
#
### BEGIN INIT INFO
# Provides: fetchmail
# Required-Start: $network $local_fs $remote_fs $syslog
# Required-Stop: $remote_fs
# Should-Start: $mail-transport-agent postfix exim4 $named
# Should-Stop: $mail-transport-agent postfix exim4
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: init-Script for system wide fetchmail daemon
# Description: Enable service provided by fetchmail in daemon mode
### END INIT INFO
#
# A fetchmailrc file containg hosts and passwords for all local users should be
# placed in /etc/fetchmailrc. Remember to make the /etc/fetchmailrc mode 600
# to avoid disclosing the users' passwords.
#
# This script will NOT start or stop fetchmail if the /etc/fetchmailrc file
# does not exist or if START_DAEMON in /etc/default/fetchmail is set to no.
set -e
# Defaults
PATH=/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/bin/fetchmail
USER=fetchmail
OPTIONS=""
CONFFILE="/etc/fetchmailrc"
PIDFILE="/var/run/fetchmail/fetchmail.pid"
UIDL="/var/lib/fetchmail/.fetchmail-UIDL-cache"
START_DAEMON="no"
. /lib/lsb/init-functions
if [ -r /etc/default/fetchmail ]; then
. /etc/default/fetchmail
fi
OPTIONS="$OPTIONS -f $CONFFILE --pidfile $PIDFILE"
if [ ! "x$START_DAEMON" = "xyes" -a ! "$1" = "status" ]; then
log_action_msg "Not starting fetchmail daemon, disabled via /etc/default/fetchmail"
exit 0
fi
if [ ! -e $CONFFILE ]; then
log_failure_msg "$CONFFILE not found."
log_failure_msg "can not start fetchmail daemon... consider disabling the script"
exit 6
fi
test -f $DAEMON || exit 0
if [ "$1" = "start" ]; then
if [ ! -r $CONFFILE ] ; then
log_failure_msg "$CONFFILE found but not readable."
exit 0
fi
fi
# sanity checks (saves on MY sanity :-P )
if ! id $USER >/dev/null 2>&1; then
if [ "$USER" = "fetchmail" ]; then
# The fetchmail user might have been removed when the fetchmail-common
# package is purged. We have to re-add it here so the system-wide
# daemon will run.
adduser --system --ingroup nogroup --home /var/lib/fetchmail \
--shell /bin/sh --disabled-password fetchmail >/dev/null 2>&1 || true
# work around possible adduser bug, see #119366
[ -d /var/lib/fetchmail ] || mkdir -p /var/lib/fetchmail
chmod 700 /var/lib/fetchmail
chown -h -R fetchmail:nogroup /var/lib/fetchmail
[ -x /sbin/restorecon ] && /sbin/restorecon /var/lib/fetchmail
else
log_failure_msg "$0: $USER user does not exist!"
exit 1
fi
fi
# add daemon option if user hasn't already specified it
if ! grep -qs '^[[:space:]]*set[[:space:]]\+daemon[[:space:]]' "$CONFFILE"; then
# Make sure user did not use -d on /etc/default/fetchmail
if ! grep -qs -e '^[[:space:]]*OPTIONS=.*-d[[:space:]]*[[:digit:]]\+' "/etc/default/fetchmail"; then
OPTIONS="$OPTIONS -d 300"
fi
fi
# add syslog option unless user specified "set no syslog".
if ! grep -qs '^[[:space:]]*set[[:space:]]\+no[[:space:]]\+syslog' "$CONFFILE"; then
OPTIONS="$OPTIONS --syslog"
fi
# support for ephemeral /var/run
if [ "${PIDFILE%/*}" = "/var/run/fetchmail" ] && [ ! -d ${PIDFILE%/*} ] && [ "$1" != "status" ]; then
mkdir /var/run/fetchmail
chown -h $USER:nogroup /var/run/fetchmail
chmod 700 /var/run/fetchmail
[ -x /sbin/restorecon ] && /sbin/restorecon /var/run/fetchmail
fi
# sanity check
#if [ ! -d ${PIDFILE%/*} ]; then
# log_failure_msg "$0: directory ${PIDFILE%/*} does not exist!"
# exit 1
#fi
# If the user is going to use a UIDL cache, try to find a better place for the
# UIDL cache than root's homedir. Also create $UIDL if it doesn't exist,
# because the daemon won't have the permission.
# THIS IS NOT NEEDED SINCE 6.3.x
#if ! grep -qs idfile "$CONFFILE" && [ -d /var/lib/fetchmail ]; then
# OPTIONS="$OPTIONS -i $UIDL"
# touch $UIDL
# chown -h $USER $UIDL
# chmod 0600 $UIDL
#fi
# Makes sure certain files/directories have the proper owner
if [ -f $CONFFILE -a "`stat -c '%U %a' $CONFFILE 2>/dev/null`" != "$USER 600" ]; then
chown -h $USER $CONFFILE
chmod -f 0600 $CONFFILE
fi
case "$1" in
start)
if test -e $PIDFILE ; then
pid=`cat $PIDFILE | sed -e 's/\s.*//'|head -n1`
PIDDIR=/proc/$pid
if [ -d ${PIDDIR} -a "$(readlink -f ${PIDDIR}/exe)" = "${DAEMON}" ]; then
log_failure_msg "fetchmail already started; not starting."
exit 0
else
log_warning_msg "Removing stale PID file $PIDFILE."
rm -f $PIDFILE
fi
fi
log_begin_msg "Starting mail retriever agent:" "fetchmail"
if start-stop-daemon -S -o -q -x $DAEMON -u $USER -c $USER -- $OPTIONS; then
log_end_msg 0
else
log_end_msg 1
exit 1
fi
;;
status)
status_of_proc $DAEMON fetchmail -p $PIDFILE
;;
stop)
if ! test -e $PIDFILE ; then
log_failure_msg "Pidfile not found! Is fetchmail running?"
exit 0
fi
log_begin_msg "Stopping mail retriever agent:" "fetchmail"
if start-stop-daemon -K -o -q -p $PIDFILE -x $DAEMON -u $USER; then
log_end_msg 0
else
log_end_msg 1
exit 1
fi
;;
force-reload|restart)
log_begin_msg "Restarting mail retriever agent:" "fetchmail"
if ! start-stop-daemon -K -o -q -p $PIDFILE -x $DAEMON -u $USER; then
log_end_msg 1
exit 1
fi
sleep 1
if start-stop-daemon -S -q -x $DAEMON -u $USER -c $USER -- $OPTIONS; then
log_end_msg 0
else
log_end_msg 1
exit 1
fi
;;
try-restart)
if test -e $PIDFILE ; then
pid=`cat $PIDFILE | sed -e 's/\s.*//'|head -n1`
PIDDIR=/proc/$pid
if [ -d ${PIDDIR} -a "$(readlink -f ${PIDDIR}/exe)" = "${DAEMON}" ]; then
$0 restart
exit 0
fi
fi
test -f /etc/rc`/sbin/runlevel | cut -d' ' -f2`.d/S*fetchmail* && $0 start
;;
awaken)
log_begin_msg "Awakening mail retriever agent:" "fetchmail"
if [ -s $PIDFILE ]; then
start-stop-daemon -K -s 10 -q -p $PIDFILE -x $DAEMON
log_end_msg 0
exit 0
else
log_end_msg 1
exit 1
fi
;;
debug-run)
echo "$0: Initiating debug run of system-wide fetchmail service..." 1>&2
echo "$0: script will be run in debug mode, all output to forced to" 1>&2
echo "$0: stdout. This is not enough to debug failures that only" 1>&2
echo "$0: happen in daemon mode." 1>&2
echo "$0: You might want to direct output to a file, and tail -f it." 1>&2
if [ "$2" = "strace" ]; then
echo "$0: (running debug mode under strace. See strace(1) for options)" 1>&2
echo "$0: WARNING: strace output may contain security-sensitive info, such as" 1>&2
echo "$0: passwords; please clobber them before sending the strace file to a" 1>&2
echo "$0: public bug tracking system, such as Debian's." 1>&2
fi
echo "$0: Stopping the service..." 1>&2
"$0" stop
echo "$0: exit status of service stop was: $?"
echo "$0: RUNUSER is $USER"
echo "$0: OPTIONS would be $OPTIONS"
echo "$0: Starting service in nodetach mode, hit ^C (SIGINT/intr) to finish run..." 1>&2
if [ "$2" = "strace" ] ; then
shift
shift
[ $# -ne 0 ] && echo "$0: (strace options are: -tt $@)" 1>&2
su -s /bin/sh -c "/usr/bin/strace -tt $* $DAEMON $OPTIONS --nosyslog --nodetach -v -v" $USER <&- 2>&1
else
su -s /bin/sh -c "$DAEMON $OPTIONS --nosyslog --nodetach -v -v" $USER <&- 2>&1
fi
echo "$0: End of service run. Exit status was: $?"
exit 0
;;
*)
log_warning_msg "Usage: /etc/init.d/fetchmail {start|stop|restart|force-reload|awaken|debug-run}"
log_warning_msg " start - starts system-wide fetchmail service"
log_warning_msg " stop - stops system-wide fetchmail service"
log_warning_msg " restart, force-reload - starts a new system-wide fetchmail service"
log_warning_msg " awaken - tell system-wide fetchmail to start a poll cycle immediately"
log_warning_msg " debug-run [strace [strace options...]] - start a debug run of the"
log_warning_msg " system-wide fetchmail service, optionally running it under strace"
exit 1
;;
esac
exit 0
# vim:ts=4:sw=4:
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