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|
#!/bin/bash -e
#
# spampd SpamPD is a spamdetection proxy daemon for SMTP and LMTP
#
# This script was written for debian
# by Sven Mueller <debian@incase.de>
#
# Version: 2.0 22-Aug-2005 debian@incase.de
#
### BEGIN INIT INFO
# Provides: spampd
# Required-Start: $remote_fs $syslog $network $named $time
# Required-Stop: $remote_fs $syslog $network $named $time
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: spam detection proxy for SMTP and LMTP
# Description: SpamAssassin based perl proxy for SMTP and LMTP
# which marks mails as spam/nonspam based on SpamAssassin
# results
### END INIT INFO
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin
DESC='spam checking proxy daemon'
NAME='spampd'
PROGRAM=/usr/sbin/spampd
#EXECUTABLE=`head -n 1 $PROGRAM | sed -e 's,^#![ ]*/,/,;s,[ ].*$,,'`
EXECUTABLE=/usr/bin/perl
PIDFILE=/var/run/spampd.pid
. /lib/lsb/init-functions
# set some important defaults (overridable via /etc/default/spampd)
USERID=spampd
GRPID=spampd
if [ "`id -u`" != "0" ]; then
log_failure_msg "ERROR: Insufficient privileges. Retry as root"
# LSB 3.0 says that return value of 4 indicates insufficient privileges
exit 4
fi
if [ -f /etc/default/$NAME ]; then
. /etc/default/$NAME
fi
istrue () {
ANS=$(echo $1 | tr A-Z a-z)
[ "$ANS" = 'yes' -o "$ANS" = 'true' -o "$ANS" = 'enable' -o "$ANS" = '1' ]
}
#
# find out wether to start spampd or not
#
istrue ${STARTSPAMPD} && STARTSPAMPD='true'
#
# Check wether the program is actually there
#
# return 5 as demanded by LSB 2.1 when program isn't installed.
[ -x $PROGRAM ] || exit 5
#
# Calculate final commandline
#
S_TAGALL=''
S_AWL=''
S_LOCALONLY=''
istrue "$TAGALL" \
&& S_TAGALL='--tagall'
istrue "$AUTOWHITELIST" \
&& S_AWL='--auto-whitelist'
istrue "$LOCALONLY" \
&& S_LOCALONLY='--L'
istrue "$LOGINET" \
&& LOGTARGET="inet" \
|| LOGTARGET="unix"
ARGS="${S_LOCALONLY} ${S_AWL} ${S_TAGALL} "
[ -n "${LISTENPORT}" ] && ARGS="${ARGS} --port=${LISTENPORT}"
[ -n "${LISTENHOST}" ] && ARGS="${ARGS} --host=${LISTENHOST}"
[ -n "${DESTPORT}" ] && ARGS="${ARGS} --relayport=${DESTPORT}"
[ -n "${DESTHOST}" ] && ARGS="${ARGS} --relayhost=${DESTHOST}"
[ -n "${PIDFILE}" ] && ARGS="${ARGS} --pid=${PIDFILE}"
[ -n "${CHILDREN}" ] && ARGS="${ARGS} --children=${CHILDREN}"
[ -n "${USERID}" ] && ARGS="${ARGS} --user=${USERID}"
[ -n "${GRPID}" ] && ARGS="${ARGS} --group=${GRPID}"
[ -n "${LOGTARGET}" ] && ARGS="${ARGS} --logsock=${LOGTARGET}"
[ -n "${ADDOPTS}" ] && ARGS="${ARGS} ${ADDOPTS}"
function check_pid () {
# $1 : process name
# $2 : pid file
# $3 : (optional) verbosity
VERBOSE=""
[ "$3" = "verbose" ] && VERBOSE=1
if [ -f $2 ]; then
kill -0 `cat $2` > /dev/null 2>&1
RETVAL=$?
if [ "$RETVAL" = "0" ]; then
[ "$VERBOSE" ] && log_success_msg "$1 is running as `cat $2`"
return 0
else
[ "$VERBOSE" ] && log_failure_msg "PIDFILE $2 for $1 exists, but $1 is not running."
rm $2
return 1
fi
else
[ "$VERBOSE" ] && log_failure_msg "PIDFILE $2 for $1 doesn't exist."
return 4
fi
return 3
}
case "$1" in
start)
if ! istrue "${STARTSPAMPD}"; then
log_warning_msg "Starting $DESC: $NAME (disabled in /etc/default/$NAME)."
# LSB 2.1: 6 mean unconfigured. This seems appropriate here.
exit 6
fi
log_daemon_msg "Starting $DESC" "$NAME"
# if spampd is already running, exit 0 as demanded by LSB 2.1
# this also removes the PIDFILE if it exists but has no matching
# process
if check_pid $PROGRAM $PIDFILE ; then
log_end_msg 0
exit 0
fi
# if spampd is not installed, return 5 as demanded by LSB 2.1
if [ ! -x $EXECUTABLE ]; then
log_error_msg "failed! - executable not found"
exit 5
fi
# start daemon
start-stop-daemon --start --exec $EXECUTABLE \
--startas $PROGRAM --pidfile $PIDFILE \
--user $USERID --group $GRPID -- $ARGS
if [ "$?" = '0' ]; then
log_end_msg 0
exit 0
else
log_end_msg 7
# LSB 2.1 says 7 should be returned when program
# isn't running.
exit 7
fi
;;
stop)
echo -n "Stopping $DESC: $NAME "
set +e
# if $PROGRAM is not running under PID given in
# $PIDFILE, exit with 0 to be LSB compliant
check_pid $PROGRAM $PIDFILE || exit 0
if istrue "$STARTSPAMPD" ; then
start-stop-daemon --stop --exec $EXECUTABLE \
--pidfile $PIDFILE
else
start-stop-daemon --stop --exec $EXECUTABLE \
--pidfile $PIDFILE > /dev/null 2>&1
fi
if [ "$?" = "0" ]; then
log_end_msg 0
rm $PIDFILE
exit 0
else
if ! check_pid $PROGRAM $PIDFILE ; then
log_end_msg 0
exit 0
else
# if we had not successfully stopped the
# program, we can assume the user didn't
# have sufficient privileges.
log_end_msg 1
exit 4
fi
fi
;;
status)
check_pid $PROGRAM $PIDFILE verbose
exit $?
;;
reload)
log_warning_msg "reload not implemented, try force-reload/restart instead"
exit 3
;;
force-reload|try-restart)
if check_pid $PROGRAM $PIDFILE ; then
exec $0 restart
else
log_warning_msg "$DESC is not running. Try '$0 start' to start it."
# LSB 2.1 says that this should return success, anyhow.
exit 0
fi
;;
restart)
if check_pid $PROGRAM $PIDFILE ; then
$0 stop
fi
exec $0 start
;;
help)
echo "Usage: $0 (start|stop|restart|try-restart|force-reload|status)"
exit 0
;;
*) echo "Usage: $0 (start|stop|restart|try-restart|force-reload|status|help)"
exit 2
;;
esac
log_error_msg "This point shouldn't be reached. Some weird thing happened"
exit 1
|
