diff options
Diffstat (limited to 'debian/fetchmail.init')
| -rw-r--r-- | debian/fetchmail.init | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/debian/fetchmail.init b/debian/fetchmail.init new file mode 100644 index 00000000..a6fbcb0e --- /dev/null +++ b/debian/fetchmail.init @@ -0,0 +1,248 @@ +#!/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: |