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#!/bin/sh
#-----------------------------------------------------------------------------
# $Sendmail: sm_helper.sh,v 8.15.2 2020-03-08 00:39:49 cowboy Exp $
#
# Copyright (c) 1998-2010 Richard Nelson.  All Rights Reserved.
#
#	Debian helper function script for Debian Sendmail
#	  Note: this file supports 8.7.6 - 9.0.0
#
# Notes (to all):
#	*
#
# Notes (to self):
#	* clean_queues fubar, esp wrt MSP
#
#-----------------------------------------------------------------------------
#
DEBUG=0;

# Support stand-alone execution
if [ -z "$DAEMON" ]; then
	PATH=/bin:/usr/bin:/sbin:/usr/sbin
	DESC="Mail Transport Agent (MTA)"
	NAME=sendmail
	DAEMON=/usr/sbin/$NAME
	DAEMON_ARGS=""
	SCRIPTNAME=/etc/init.d/$NAME

	# Exit if the package is not installed
	[ -x "$DAEMON" ] || exit 0

	# Read configuration variable file if it is present
	[ -r /etc/default/sendmail ] && . /etc/default/sendmail

	# Load the VERBOSE setting and other rcS variables
	. /lib/init/vars.sh

	# Define LSB log_* functions.
	. /lib/lsb/init-functions
	fi;

# Can't do this earlier, the lsb inclusion is unsafe :(
set -e;

#------------------------------------------------------------------------------
# Parameters for the sendmail daemon
# Do *NOT* touch these lines, instead, edit /etc/mail/sendmail.conf
# The _PARMS lines are listed in precedence order
#------------------------------------------------------------------------------
Get_Parameters () {

	# Main configuration parameters in /etc/mail/sendmail.conf
	DAEMON_MODE='Daemon';
	DAEMON_PARMS='';
	DAEMON_UID='root';
	QUEUE_MODE="$DAEMON_MODE";
	QUEUE_INTERVAL='10m';
	QUEUE_PARMS='';
	MSP_MODE="$QUEUE_MODE";
	MSP_INTERVAL="$QUEUE_INTERVAL";
	MSP_PARMS="";
	MISC_PARMS='';
	CRON_PARMS='';
	LOG_CMDS='No';

	# Secondary (non-documented) parameters in /etc/mail/sendmail.conf
	# Caveat Emptor: change these at your own risk - they impact several
	# disjoint pieces parts...
	SENDMAIL_ROOT='/var/run/sendmail';
	MTA_DAEMON='/usr/sbin/sendmail-mta';
	MTA_COMMAND='/usr/sbin/sendmail-mta';
	MTA_A='-Am';
	MTAL_L='-L sm-mta';
	MTAL_L_QUEUE='-L sm-mta-queue';
	MTAL_L_RUNQ='-L sm-mta-runq';
	MTA_ROOT="${SENDMAIL_ROOT}/mta";
	MTAL_PIDFILE="${MTA_ROOT}/sendmail.pid";
	MTAL_SOCKET="${MTA_ROOT}/smsocket";
	MTAL_CNTL="${MTA_ROOT}/smcontrol";
	MTAQ_L='-L sm-que';
	MTAQ_L_RUNQ='-L sm-que-runq';
	MTAQ_PIDFILE="${MTA_ROOT}/queue.pid";
	MTAQ_SOCKET="${MTA_ROOT}/qusocket";
	MTAQ_CNTL="${MTA_ROOT}/qucontrol";
	MSP_DAEMON='/usr/sbin/sendmail-msp';
	MSP_COMMAND='/usr/sbin/sendmail-msp';
	MSP_A='-Ac';
	MSP_L='-L sm-msp';
	MSP_L_QUEUE='-L sm-msp-queue';
	MSP_ROOT="${SENDMAIL_ROOT}/msp";
	MSP_PIDFILE="${MSP_ROOT}/sendmail.pid";
	MSP_SOCKET="${MSP_ROOT}/smsocket";
	MSP_CNTL="${MSP_ROOT}/smcontrol";

	# Pull in any user modified variables
	if [ -f /etc/mail/sendmail.conf ]; then
		. /etc/mail/sendmail.conf;
		fi;

	# These can't be user customized
	SM_Get_Parameters='yes';
	PATH='/bin:/usr/bin:/sbin:/usr/sbin';
	STAMP_DIR="${SENDMAIL_ROOT}/stampdir";
	START_MTAL_CMD="start-stop-daemon \
		--pidfile $MTAL_PIDFILE \
		--startas $MTA_COMMAND \
		--start";
	STOP_MTAL_CMD="start-stop-daemon \
		--pidfile $MTAL_PIDFILE \
		--exec $MTA_COMMAND \
		--name sendmail-mta \
		--stop";
	SIGNAL_MTAL_CMD="start-stop-daemon \
		--pidfile $MTAL_PIDFILE \
		--exec $MTA_COMMAND \
		--name sendmail-mta \
		--stop";
	START_MTAQ_CMD="start-stop-daemon \
		--pidfile $MTAQ_PIDFILE \
		--make-pidfile \
		--startas $MTA_COMMAND \
		--start";
	STOP_MTAQ_CMD="start-stop-daemon \
		--pidfile $MTAQ_PIDFILE \
		--exec $MTA_COMMAND \
		--name sendmail-mta \
		--stop";
	SIGNAL_MTAQ_CMD="start-stop-daemon \
		--pidfile $MTAQ_PIDFILE \
		--exec $MTA_COMMAND \
		--name sendmail-mta \
		--stop";
	START_MSP_CMD="start-stop-daemon \
		--pidfile $MSP_PIDFILE \
		--startas $MSP_COMMAND \
		--chuid smmsp \
		--start";
	STOP_MSP_CMD="start-stop-daemon \
		--pidfile $MSP_PIDFILE \
		--exec $MSP_COMMAND \
		--name sendmail-msp \
		--stop";
	SIGNAL_MSP_CMD="start-stop-daemon \
		--pidfile $MSP_PIDFILE \
		--exec $MSP_COMMAND \
		--name sendmail-msp \
		--stop";
	NAME='sendmail';
	FLAGS='defaults 50';

	# Sanitize some keyword entries
	DAEMON_MODE=$(echo "$DAEMON_MODE" | tr '[:upper:]' '[:lower:]');
	QUEUE_MODE=$(echo  "$QUEUE_MODE"  | tr '[:upper:]' '[:lower:]');
	MSP_MODE=$(echo    "$MSP_MODE"    | tr '[:upper:]' '[:lower:]');

	# See if we can share the listener and queue-runner daemon:
	#	* Both must be in daemon mode
	#	* They must have the same (possibly empty) parameters
	if [ "$DAEMON_MODE" = "daemon" \
	   -a \( \( "$QUEUE_MODE" = "cron" -o "$QUEUE_MODE" = "none" \) \
		  -o \( "$QUEUE_MODE" != "cron" \
			 -a "$QUEUE_MODE" != "none" \
			 -a "$DAEMON_PARMS" = "$QUEUE_PARMS" \
			 \) \
		  \) ]; then
		SPLIT_DAEMON=0;
	else
		SPLIT_DAEMON=1;
		fi;

	# Version dependant support:
	# 8.12.0+ M{TA,MSP}_A
	if [ ! -f /usr/share/sendmail/cf/feature/msp.m4 ]; then
		MTA_A='';
		MTAL_L='';
		MTAL_L_QUEUE='';
		MSP_A='';
		MSP_L='';
		MSP_L_QUEUE='';
		fi;
	};
#------------------------------------------------------------------------------

# the stamp directory is owned and writable by group smmsp
touch_stamp() {
	if [ "$(id -nu)" = "smmsp" ]; then
		touch "$1"
	else
		su smmsp -s /bin/sh -c "touch '$1'"
	fi
}

#------------------------------------------------------------------------------
# enhanced sendmail startup
#------------------------------------------------------------------------------
start_mta () {
	local result;
	result=0;
	#
	# Make sure /var/run/sendmail/ exists
	check_dirs;
	#
	# If already running, don't start it...
	if is_running mta; then
		log_warning_msg 'MTA is already running.';
		return 1;
		fi;
	#
	# Check if we're going to run a daemon (and how many):
	daemon_check || result=$?;
	if [ "$result" -ne 0 ]; then
		return 0;
		fi;
	#
	# Mark restarted for communication betwixt here and /etc/mail/Makefile
	touch_stamp $STAMP_DIR/reload
	#
	if [ "$DAEMON_MODE" = "daemon" ]; then
		#
		# Allow Unix (local) connections betwixt MSP/MTA:
		touch $MTAL_SOCKET;
		#
		# We can only afford to clean the MTA queues if running daemon mode,
		# otherwise, there is a chance that a cronjob might still be using
		# the queue...	Thats also why we don't clean the MSP queues herein.
		#clean_queues;
		#
		# cd to a safe place to stash core files...
		cd $MTA_ROOT;
		CMD="$START_MTAL_CMD -- $MTAL_PARMS";
		if [ "$LOG_CMDS" = "Yes" ]; then
			logger -i -p mail.debug -- "$0 $CMD";
			fi;
		$CMD &
		#
		# Update permissions on smsocket
		sleep 2;
		chown $DAEMON_UID:smmsp $MTAL_SOCKET;
		chmod 0666 $MTAL_SOCKET;
		fi;
	#
	# Check for split daemon mode (separate listener/queue runner)
	if [ "$SPLIT_DAEMON" -eq 1 ]; then
		CMD="$START_MTAQ_CMD -- $MTAQ_PARMS";
		if [ "$LOG_CMDS" = "Yes" ]; then
			logger -i -p mail.debug -- "$0 $CMD";
			fi;
		$CMD &
		sleep 2;
		qp=`expr "${MTAQ_PARMS}" : '.*\(-qp[0-9]*[smhdw]\)'` || true;
		if [ -z "$qp" ]; then
			chmod 0664 $MTAQ_PIDFILE;
		else
			qc=`ps --no-headers -fCsendmail-mta \
				| egrep -e 'Queue control' \
				| awk '{print $2}'`;
			if [ -z "$qc" ]; then
				rm -f $MTAQ_PIDFILE;
			else
				chmod 0664 $MTAQ_PIDFILE;
				printf "$qc\n$MTA_COMMAND $MTAQ_PARMS" > $MTAQ_PIDFILE;
				fi;
			fi;
		fi;
	#
	# if running split service, run the client queues (just to make sure)
	if check_msp; then
		$MSP_COMMAND -q $MSP_A $MSP_L_QUEUE $MSP_PARMS $MISC_PARMS;
		fi;
	return $result;
	};

start_msp () {
	local result;
	result=0;
	#
	# Make sure /var/run/sendmail/ exists
	check_dirs;
	#
	# If already running, don't start it...
	if is_running msp; then
		log_warning_msg 'MSP is already running.';
		return 1;
		fi;
	#
	# Check to see if MSP mode is indeed available
	if ! check_msp; then
		return 0;
		fi;
	#
	# Check if we're going to run a daemon:
	if [ "$MSP_MODE" != 'daemon' ]; then
		return 0;
		fi;
	#
	# We can only afford to clean the MSP queues if running daemon mode,
	# otherwise, there is a chance that a cronjob might still be using
	# the queue...	Thats also why we don't clean the MTA queues herein.
	#clean_queues /var/spool/mqueue-client;
	#
	# cd to a safe place to stash core files...
	cd $MSP_ROOT;
	$START_MSP_CMD -- \
		$MSP_A $MSP_L -q${MSP_INTERVAL} $MSP_PARMS $MISC_PARMS &
	return $result;
	};

start_sendmail () {
	local result;
	# Update databases
	make_databases;
	result=0;
	start_mta || result=$?;
	if check_msp; then
		start_msp || true;
		fi;
	return $result;
	};
#------------------------------------------------------------------------------


#------------------------------------------------------------------------------
# enhanced sendmail reload
#------------------------------------------------------------------------------
reload_mta () {
	local result;
	#
	# Make sure /var/run/sendmail/ exists
	check_dirs;
	#
	# Update databases
	make_databases;
	#
	# reload (signal -HUP) is *much* better/faster than stop/start
	#
	# Mark restarted for communication betwixt here and /etc/mail/Makefile
	touch_stamp $STAMP_DIR/reload
	#
	# If not running, just start it...
	if ! is_running mta; then
		start_mta;
		fi;
	#
	# Is running, must signal it...
	result=0;
	$SIGNAL_MTAL_CMD --signal HUP --oknodo --quiet || result=$?;
	sleep 2;
	chown $DAEMON_UID:smmta $MTAL_SOCKET;
	chmod 0666 $MTAL_SOCKET;
	#
	# Check for split daemon mode (separate listener/queue runner)
	if [ "$SPLIT_DAEMON" -eq 1 ]; then
		$SIGNAL_MTAQ_CMD --signal HUP --oknodo --quiet || true;
		fi;
	return $result;
	};

reload_msp () {
	local result;
	result=0;
	#
	# Make sure /var/run/sendmail/ exists
	check_dirs;
	#
	# reload (signal -HUP) is *much* better/faster than stop/start
	#
	# If not running, just start it...
	if ! is_running msp; then
		start_msp;
		fi;
	#
	# Is running, must signal it...
	$SIGNAL_MSP_CMD --signal HUP --oknodo --quiet || result=$?;
	return $result;
	};

reload_sendmail () {
	local result;
	result=0;
	reload_mta || result=$?;
	if check_msp; then
		reload_msp || true;
		fi;
	return $result;
	};
#------------------------------------------------------------------------------


#------------------------------------------------------------------------------
# enhanced sendmail shutdown
#------------------------------------------------------------------------------
stop_mta () {
	local result cnt;
	result=0;
	stopped=0;
	#
	# Make sure /var/run/sendmail/ exists
	check_dirs;
	#
	# If not running, don't stop it...
	if ! is_running mta; then
		return 0;
		fi;
	#
	# Is running, must stop it...
	$STOP_MTAL_CMD --signal TERM --quiet --oknodo > /dev/null;
	#
	# Now we have to wait until sendmail has _really_ stopped.
	#
	sleep 2;
	if $STOP_MTAL_CMD --signal TERM --quiet > /dev/null; then
		log_progress_msg ' Waiting .';
		cnt=0;
		while $STOP_MTAL_CMD --signal TERM --quiet > /dev/null; do
			cnt=`expr $cnt + 1`;
			if [ $cnt -gt 60 ]; then
				#
				# Waited 120 seconds now. Fail.
				#
				echo -n ' Failed ';
				stopped=1;
				break;
				fi;
			sleep 2;
			log_progress_msg '.';
			done;
		echo -n ' Done ';
		fi;
	#
	# Remove pidfile iff stopped
	if ! $STOP_MTAL_CMD --signal TERM --quiet > /dev/null; then
		rm -f "$MTAL_PIDFILE";
		fi
	return $result;
	};

stop_queue () {
	local result cnt;
	result=0;
	stopped=0;
	#
	# Make sure /var/run/sendmail/ exists
	check_dirs;
	#
	# If not running, don't stop it...
	if ! is_running queue; then
		return 0;
		fi;
	#
	# Is running, must stop it...
	$STOP_MTAQ_CMD --signal TERM --quiet --oknodo > /dev/null;
	#
	# Now we have to wait until sendmail has _really_ stopped.
	#
	sleep 2;
	if $STOP_MTAQ_CMD --signal TERM --quiet > /dev/null; then
		log_progress_msg ' Waiting .';
		cnt=0;
		while $STOP_MTAQ_CMD --signal TERM --quiet > /dev/null; do
			cnt=`expr $cnt + 1`;
			if [ $cnt -gt 60 ]; then
				#
				# Waited 120 seconds now. Fail.
				#
				echo -n ' Failed ';
				stopped=1;
				break;
				fi;
			sleep 2;
			log_progress_msg '.';
			done;
		echo -n ' Done ';
		fi;
	#
	# Remove pidfile iff stopped
	if ! $STOP_MTAQ_CMD --signal TERM --quiet > /dev/null; then
		rm -f "$MTAQ_PIDFILE";
		fi
	return $result;
	};

stop_msp () {
	local result cnt;
	result=0;
	stopped=0;
	#
	# Make sure /var/run/sendmail/ exists
	check_dirs;
	#
	# If not running, don't stop it...
	if ! is_running msp; then
		return 0;
		fi;
	#
	# Is running, must stop it...
	$STOP_MSP_CMD --signal TERM --quiet --oknodo > /dev/null;
	#
	# Now we have to wait until sendmail has _really_ stopped.
	#
	sleep 2;
	if $STOP_MSP_CMD --signal TERM --quiet > /dev/null; then
		log_progress_msg 'Waiting .';
		cnt=0;
		while $STOP_MSP_CMD --signal TERM --quiet > /dev/null; do
			cnt=`expr $cnt + 1`;
			if [ $cnt -gt 60 ]; then
				#
				# Waited 120 seconds now. Fail.
				#
				echo -n ' Failed ';
				stopped=1;
				break;
				fi;
			sleep 2;
			log_progress_msg '.';
			done;
		echo -n ' Done ';
		fi;
	#
	# Remove pidfile iff stopped
	if ! $STOP_MSP_CMD --signal TERM --quiet > /dev/null; then
		rm -f "$MSP_PIDFILE";
		fi;
	return $result;
	};

stop_sendmail () {
	local result;
	result=0;
	if check_msp; then
		stop_msp || true;
		fi;
	stop_mta || result=$?;
	stop_queue || true;
	return $result;
	};
#------------------------------------------------------------------------------


#------------------------------------------------------------------------------
# Check to see if sendmail is running
#------------------------------------------------------------------------------
is_running () {
	local result;
	result=1;
	#
	# Make sure /var/run/sendmail/ exists
	check_dirs;
	#
	# Determine proper pidfile to check
	who=$(echo	"$1"  | tr '[:upper:]' '[:lower:]');
	case $who in
		mta)
			PIDFILE="$MTAL_PIDFILE";
			;;
		queue)
			PIDFILE="$MTAQ_PIDFILE";
			;;
		msp)
			PIDFILE="$MSP_PIDFILE";
			;;
		*)
			PIDFILE="$1";
			;;
		esac;
	#
	# If no pidfile, not running
	# Extract pid/command and see if still running
	# Remove pidfile if app didn't
	# Also remove any control sockets
	if [ -s $PIDFILE ]; then
		PID=`head -n 1 $PIDFILE 2>/dev/null`;
		COMMAND=`tail -n 1 $PIDFILE`;
		if [ ! -z "`ps --no-heading $PID`" ]; then
			result=0;
		else
			rm -f $PIDFILE;
			case $who in
				mta)
					rm -f $MTAL_SOCKET $MTAL_CNTL;
					;;
				queue)
					rm -f $MTAQ_SOCKET $MTAQ_CNTL;
					;;
				msp)
					rm -f $MSP_SOCKET $MSP_CNTL;
				esac;
			fi;
		fi;
	return $result;
	};
#------------------------------------------------------------------------------


#------------------------------------------------------------------------------
# Check to see if running split service (MTA, MSP)
# Must be at 8.12.0+ for this support
#------------------------------------------------------------------------------
check_msp () {
	local result;
	result=1;
	if [ ! -f /usr/share/sendmail/cf/feature/msp.m4 ]; then
		result=1;
	elif [ -s /etc/mail/submit.cf ] \
	&& [ -s /etc/mail/submit.mc ]; then
		if grep -qEe "^[[:space:]]*\`?FEATURE\([[:space:]]*\`?msp" \
			/etc/mail/submit.mc; then
			result=0;
			fi;
		fi;
	return $result;
	};
#------------------------------------------------------------------------------


#------------------------------------------------------------------------------
# Miscellaneous sendmail command support for MSP/MTA split
# mailstats, mailq, runq
#------------------------------------------------------------------------------
newaliases () {
	#
	# Obtain parameters IFF needed
	if [ -z "$SM_Get_Parameters" ]; then
		Get_Parameters;
		fi;
	#
	$MTA_COMMAND $MTA_A -bi $*;
	};

hoststat () {
	#
	# Obtain parameters IFF needed
	if [ -z "$SM_Get_Parameters" ]; then
		Get_Parameters;
		fi;
	#
	$MTA_COMMAND $MTA_A -bh $*;
	};

purgestat () {
	local parms;
	parms=$(echo "$1" | tr '[:upper:]' '[:lower:]');
	case $parms in
		n*)		# Now
			parms='-O Timeout.hoststatus=0s';
			shift;
			;;
		*)
			parms='';
			;;
		esac;
	#
	# Obtain parameters IFF needed
	if [ -z "$SM_Get_Parameters" ]; then
		Get_Parameters;
		fi;
	#
	$MTA_COMMAND $MTA_A -bH $parms $*;
	};

mailstats () {
	#
	# Obtain parameters IFF needed
	if [ -z "$SM_Get_Parameters" ]; then
		Get_Parameters;
		fi;
	#
	# if running split service, show the client status first
	if check_msp; then
		echo 'MSP statistics...';
		#check if we have a status file for the MSP
		statusfile=$(grep -Ee '^O StatusFile=/.*' \
			/etc/mail/submit.cf | cut -d= -f2);
		if [ -n $statusfile ]; then
			/usr/lib/sm.bin/mailstats -C \
				/etc/mail/submit.cf $* || true;
			fi;
		echo 'MTA statistics...';
		fi;
	#
	# check if we have a status file for the MTA
	statusfile=$(grep -Ee '^O StatusFile=/.*' \
		/etc/mail/sendmail.cf | cut -d= -f2);
	if [ -n $statusfile ]; then
		/usr/lib/sm.bin/mailstats $* || true;
		fi;
	};

mailq () {
	#
	# Obtain parameters IFF needed
	if [ -z "$SM_Get_Parameters" ]; then
		Get_Parameters;
		fi;
	#
	# if running split service, show the client queues first
	if check_msp; then
		echo 'MSP Queue status...';
		#
		# Check to see if shared memory is in use (8.12.0+)
		if grep -qEe "^[[:space:]]*\`?define\(\`?confSHAREDMEMORYKEY'?[[:space:]]*,[[:space:]]*\`?0*[1-9]+[0-9]*'?[[:space:]]*\)" \
			/etc/mail/submit.mc; then
			$MSP_COMMAND -bP || true;
			fi;
		$MSP_COMMAND -bp $MSP_A $MISC_PARMS $* || true;
		echo 'MTA Queue status...';
		fi;
	#
	# Check to see if shared memory is in use (8.12.0+)
	if grep -qEe "^[[:space:]]*\`?define\(\`?confSHAREDMEMORYKEY'?[[:space:]]*,[[:space:]]*\`?0*[1-9]+[0-9]*'?[[:space:]]*\)" \
		/etc/mail/sendmail.mc; then
		$MTA_COMMAND -bP || true;
		fi;
	$MTA_COMMAND -bp $MTA_A $MISC_PARMS $* || true;
	};

runq () {
	local parms flag;
	parms=;
	while [ $# -gt 0 ]; do
		flag=$(echo "$1" | tr '[:upper:]' '[:lower:]');
		case $flag in
			n*)		# Now
				parms="$parms -O Timeout.hoststatus=0s -O MinQueueAge=0";
				shift;
				;;
			v*)     # verbose
				parms="$parms -v";
				shift;
				;;
			*)
				parms="$parms $flag";
				shift;
				;;
			esac;
		done;
	#
	# Obtain parameters IFF needed
	if [ -z "$SM_Get_Parameters" ]; then
		Get_Parameters;
		fi;
	#
	# if running split service, run the client queues first
	if check_msp; then
		echo 'Running the MSP queue...';
		$MSP_COMMAND -q $MSP_A \
			$MSP_L_QUEUE $MSP_PARMS $MISC_PARMS $parms || true;
		echo 'Running the MTA queues...';
		fi;
	if [ "$SPLIT_DAEMON" -eq 0 ]; then
		$MTA_COMMAND -q $MTA_A \
			$MTAL_L_RUNQ $QUEUE_PARMS $MISC_PARMS $parms || true;
	else
		$MTA_COMMAND -q $MTA_A \
			$MTAQ_L_RUNQ $QUEUE_PARMS $MISC_PARMS $parms || true;
		fi;
	};

control () {
	#
	# Obtain parameters IFF needed
	if [ -z "$SM_Get_Parameters" ]; then
		Get_Parameters;
		fi;
	local parms;
	parms="$*";
	if [ -z "$parms" ]; then
		parms='help';
		fi;
	if is_running mta; then
		/usr/share/sendmail/smcontrol.pl $parms;
	else
		echo 'MTA: is not running';
		fi;
	};
#------------------------------------------------------------------------------


#------------------------------------------------------------------------------
# Print status of running job(s)
#------------------------------------------------------------------------------
status () {
	#
	# Make sure /var/run/sendmail/ exists
	check_dirs;
	#
	# Obtain parameters IFF needed
	if [ -z "$SM_Get_Parameters" ]; then
		Get_Parameters;
		fi;
	#
	# if running split service, check the client status first
	if check_msp; then
		if is_running msp; then
			echo "MSP: $PID $COMMAND";
			ps -fwp $PID;
			if [ -S ${MSP_CNTL} ]; then
				/usr/share/sendmail/smcontrol.pl \
					-f ${MSP_CNTL} status || true;
				fi;
		elif [ $MSP_MODE = 'cron' ]; then
			echo "MSP: is run via cron ($MSP_INTERVAL)";
		elif [ $MSP_MODE = 'none' ]; then
			echo 'MSP: is disabled';
		else
			echo 'MSP: is not running';
			fi;
		fi;
	#
	# Check MTA listener
	if is_running mta; then
		echo "MTA: $PID $COMMAND";
		ps -fwp $PID;
		if [ -S ${MTAL_CNTL} ]; then
			/usr/share/sendmail/smcontrol.pl \
				-f ${MTAL_CNTL} status || true;
			fi;
	elif [ $DAEMON_MODE = 'inetd' ]; then
		echo 'MTA: is run via inetd';
	elif [ $DAEMON_MODE = 'none' ]; then
		echo 'MTA: is disabled';
	else
		echo 'MTA: is not running';
		fi;
	#
	# Check for split daemon mode (separate listener/queue runner)
	if is_running queue; then
		echo "QUE: $PID $COMMAND";
		ps -fwp $PID;
		if [ -S ${MTAQ_CNTL} ]; then
			/usr/share/sendmail/smcontrol.pl \
				-f ${MTAQ_CNTL} status || true;
			fi;
	elif [ $QUEUE_MODE = 'cron' ]; then
		echo "QUE: is run via cron ($QUEUE_INTERVAL)";
	elif [ $QUEUE_MODE = 'none' ]; then
		echo 'QUE: is disabled';
	elif [ "$SPLIT_DAEMON" -eq 0 ]; then
		echo "QUE: Same as MTA";
	else
		echo 'QUE: is not running';
		fi;
	};
#------------------------------------------------------------------------------


#------------------------------------------------------------------------------
# Cronjob handling
#------------------------------------------------------------------------------
cron_mta () {
	#
	# Make sure /var/run/sendmail/ exists
	check_dirs;
	#
	# Obtain parameters IFF needed
	if [ -z "$SM_Get_Parameters" ]; then
		Get_Parameters;
		fi;
	#
	# If cron not needed, don't do queue running (though it wouldn't hurt)
	if [ $QUEUE_MODE = 'cron' ]; then
		#
		# If running a split (MTA/MSP) setup, we need to make sure that
		# messages not immediately accepted by the MTA get delivered.
		# Only run the MSP queue if MSP_MODE=none
		if check_msp; then
			if [ $MSP_MODE = 'none' ]; then
				# Make sure only *ONE* cronjob at a time
				if lockfile-create --lock-name --use-pid $STAMP_DIR/cron_msp ; then
					#clean_queues /var/spool/mqueue-client;
					$MSP_COMMAND -qf $MSP_A $MSP_L_QUEUE \
						$MSP_PARMS $MISC_PARMS \
						$CRON_PARMS || true;
					lockfile-remove --lock-name $STAMP_DIR/cron_msp
					fi;
				fi;
			fi;

		# Make sure only *ONE* cronjob at a time
		if lockfile-create --lock-name --use-pid $STAMP_DIR/cron_mta ; then
			$MTA_COMMAND -qf $MTA_A $MTAL_L_QUEUE \
				$QUEUE_PARMS $MISC_PARMS $CRON_PARMS || true;
			lockfile-remove --lock-name $STAMP_DIR/cron_mta
			fi;
		fi;
	};

cron_msp () {
	#
	# Make sure /var/run/sendmail/ exists
	check_dirs;
	#
	# Obtain parameters IFF needed
	if [ -z "$SM_Get_Parameters" ]; then
		Get_Parameters;
		fi;
	#
	# If cron not needed, don't do queue running (though it wouldn't hurt)
	if [ $MSP_MODE = 'cron' ]; then
		#
		# If running a split (MTA/MSP) setup, we need to make sure that
		# messages not immediately accepted by the MTA get delivered.
		if check_msp; then
			# Make sure only *ONE* cronjob at a time
			if lockfile-create --lock-name --use-pid $STAMP_DIR/cron_msp ; then
				#clean_queues /var/spool/mqueue-client;
				$MSP_COMMAND -qf $MSP_A $MSP_L_QUEUE \
					$MSP_PARMS $MISC_PARMS \
					$CRON_PARMS || true;
				lockfile-remove --lock-name $STAMP_DIR/cron_msp
				fi;
			fi;
		fi;
	};
#------------------------------------------------------------------------------


#------------------------------------------------------------------------------
# Determine how to run sendmail mta daemon
#	* No daemon
#	* As listener
#	* As queue runner
#	* As both listener and queue runner
#------------------------------------------------------------------------------
daemon_check () {
	local run_daemon;
	#
	# Skip daemon run for the following:
	#	* sendmail hasn't been configured
	#	* DAEMON_MODE = (none | inet) & QUEUE_MODE = (none | cron)
	if [ ! -s /etc/mail/sendmail.cf ] || \
	   [ ! -s /etc/mail/sendmail.mc ]; then
		log_failure_msg 'Not configured, not started.';
		return 1;
		fi;

	MTAL_PARMS="$MTA_A $MTAL_L";
	MTAQ_PARMS="$MTA_A $MTAQ_L";
	run_daemon=3;

	case "$DAEMON_MODE" in
		none* | \
		inetd*)
			run_daemon=`expr $run_daemon - 1`;
			;;

		daemon* | \
		*)
			MTAL_PARMS="$MTAL_PARMS -bd $DAEMON_PARMS";
			;;
		esac;

	case "$QUEUE_MODE" in
		none* | \
		cron*)
			run_daemon=`expr $run_daemon - 1`;
			;;

		daemon* | \
		*)
			# Check for split daemon mode (separate listener/queue runner)
			if [ $SPLIT_DAEMON -eq 0 ]; then
				if [ ! -z "$QUEUE_INTERVAL" ]; then
					MTAL_PARMS="$MTAL_PARMS -q${QUEUE_INTERVAL}";
					fi;
				MTAL_PARMS="$MTAL_PARMS $QUEUE_PARMS";
			else
				if [ ! -z "$QUEUE_INTERVAL" ]; then
					MTAQ_PARMS="$MTAQ_PARMS -q${QUEUE_INTERVAL}";
					fi;
				MTAQ_PARMS="$MTAQ_PARMS $QUEUE_PARMS";
				fi;
			;;
		esac;

	# Add any miscellanous (ie debugging) parameters
	MTAL_PARMS="$MTAL_PARMS $MISC_PARMS";
	MTAQ_PARMS="$MTAQ_PARMS $MISC_PARMS";

	# Add PidFile override for MTA queue runner
	MTAQ_PARMS="$MTAQ_PARMS -O PidFile=$MTAQ_PIDFILE";
	MTAQ_PARMS="$MTAQ_PARMS -O ControlSocketName=$MTAQ_CNTL";

	if [ $run_daemon -lt 2 ]; then
		log_failure_msg 'listen/queue daemon not needed.';
		return 1;
		fi;
	return 0;
	};
#------------------------------------------------------------------------------

#------------------------------------------------------------------------------
# Simple routine to update the databases on start/refresh/restart
#------------------------------------------------------------------------------
make_databases () {
	#
	# Life is so much simpler with make
	if test -x /usr/bin/make -a -f /etc/mail/Makefile; then
		/usr/bin/make all -s -C /etc/mail >/dev/null;
	#
	# Here, all I could do would be handle a *few* database -
	# quite frankly, it isn't worth it, someone will want yet another
	else
		echo "No make, you'll have to rebuild your databases by hand :(";
		fi;
	}
#------------------------------------------------------------------------------


#------------------------------------------------------------------------------
# Clean sendmail queues (somewhat): does *not* support split qf/df/xf dirs.
# NOTE: This whole thing sucks with queue-groups, need to redo it!!!
# NOTE: Check for race conditions betwixt this code and queue-runners
#------------------------------------------------------------------------------
clean_queues () {
	local QUEUE_ROOT QUEUE QUIET
	# Obtain queue root directory
	if [ -z "$1" ]; then
		QUEUE_ROOT=/var/spool/mqueue
		QUEUE=/var/spool/mqueue
		QUIET=''
	else
		QUEUE_ROOT="$1"
		QUEUE="$1"
		QUIET='1'
		fi
	# remove lock files left because of kill/crash
	# rm -f $QUEUE/[lnx]f* doesn't work with a plethora of files ;-(
	for i in A B C D E F G H I J K L M N O P Q R S T U V W X Y Z \
		a b c d e f g h i j k l m n o p q r s t u v w x y z; do
		rm -f $QUEUE/[lnx]f${i}*
		done
	# remove zero length qf files
	#for qffile in $QUEUE/qf*; do
	for qffile in $(find $QUEUE_ROOT -type f -name 'qf*'); do
		if [ -r "$qffile" ] && [ ! -s "$qffile" ]; then
			if [ ! -z "$QUIET" ]; then
				echo -n "<zero: $qffile> "; fi
			rm -f "$qffile"
			fi
		done
	# rename tf files to be qf if the qf does not exist
	for tffile in $QUEUE/tf*; do
		qffile=`echo "$tffile" | sed 's/\/tf\([[:alnum:]]*\)$/\/qf\1/'`
		if [ -r "$tffile" ] && [ ! -f "$qffile" ]; then
			if [ ! -z "$QUIET" ]; then
				echo -n "<recovering: $tffile> "; fi
			mv "$tffile" "$qffile"
		elif [ -f "$tffile" ]; then
			echo -n "<extra: $tffile> "
			rm -f "$tffile"
			fi
		done
	# remove df files with no corresponding qf files
	for dffile in $QUEUE/df*; do
		qffile=`echo "$dffile" | sed 's/\/df\([[:alnum:]]*\)$/\/qf\1/'`
		Dffile=`echo "$dffile" | sed 's/\/df\([[:alnum:]]*\)$/\/Df\1/'`
		if [ -r "$dffile" ] && [ ! -f "$qffile" ]; then
			if [ ! -s "$dffile" ]; then
				rm -f "$dffile"
			else
				if [ ! -z "$QUIET" ]; then
					 echo -n "<incomplete: $dffile> "; fi
				mv "$dffile" "$Dffile";
				fi
			fi
		done
	# announce files that have been saved during disaster recovery
	for xffile in $QUEUE/[A-Z]f*; do
		if [ -f "$xffile" ]; then
			if [ ! -z "$QUIET" ]; then
				echo -n "<panic: $xffile> "; fi
			fi
		done
	}
#------------------------------------------------------------------------------

#------------------------------------------------------------------------------
# check_dirs:  Make sure /var/run/sendmail/{mta,msp,stampdir} exist
#------------------------------------------------------------------------------
check_dirs () {
	if [ ! -d "${SENDMAIL_ROOT}" ]; then
		mkdir -p "${SENDMAIL_ROOT}";
		chown root:smmta "${SENDMAIL_ROOT}";
		chmod 02755 "${SENDMAIL_ROOT}";
		fi;
	if [ ! -d "${MTA_ROOT}" ]; then
		mkdir -p "${MTA_ROOT}";
		chown $DAEMON_UID:smmta "${MTA_ROOT}";
		chmod 02755 "${MTA_ROOT}";
		fi;
	if [ ! -d "${MSP_ROOT}" ]; then
		mkdir -p "${MSP_ROOT}";
		chown smmsp:smmsp "${MSP_ROOT}";
		chmod 02775 "${MSP_ROOT}";
		fi;
	if [ ! -d "${STAMP_DIR}" ]; then
		mkdir -p "${STAMP_DIR}";
		chown root:smmsp "${STAMP_DIR}";
		chmod 02775 "${STAMP_DIR}";
		fi;
	}

#------------------------------------------------------------------------------
# Why are we here ?
#------------------------------------------------------------------------------
# Some requisite initialization
if [ -z "$SM_Get_Parameters" ]; then
	Get_Parameters;
	fi;
if [ "$LOG_CMDS" = "Yes" ]; then
	logger -i -p mail.debug -- "$0 $@";
	fi;

#------------------------------------------------------------------------------
# Handle being called via an alias
#------------------------------------------------------------------------------
case $(basename $0) in
	newaliases)
		newaliases $*;
		exit $?;
		;;
	hoststat)
		hoststat $*;
		exit $?;
		;;
	purgestat)
		purgestat $*;
		exit $?;
		;;
	mailstats)
		mailstats $*;
		exit $?;
		;;
	mailq)
		mailq $*;
		exit $?;
		;;
	runq)
		runq $*;
		exit $?;
		;;
	control|smcontrol)
		control $*;
		exit $?;
		;;
	status)
		status $*
		exit $?
		;;
	*)
		: # Fall through and handle below
		;;
	esac;

#------------------------------------------------------------------------------
# Handle being called via /etc/init.d/sendmail or directly
#------------------------------------------------------------------------------
# Ok, why are we here...
case "$1" in

	#-----------------------------------------------------------------------
	# Debian required/optional targets:
	#-----------------------------------------------------------------------
	start)
		log_daemon_msg "Starting $DESC" "$NAME";
		start_sendmail;
		log_end_msg $?;
		;;

	stop|force-stop)
		log_daemon_msg "Stopping $DESC" "$NAME";
		stop_sendmail;
		log_end_msg $?;
		;;

	restart)
		log_daemon_msg "Restarting $DESC" "$NAME";
		# reload is equivalent (but faster) than stop/start !
		# but... it doesn't honor changes to /etc/mail/sendmail.conf
		#reload_sendmail;
		stop_sendmail;
		start_sendmail;
		log_end_msg $?;
		;;

	restart-if-running)
		if ! is_running mta && ! is_running msp; then
			echo 'Mail Transport Agent: sendmail is not running';
		else
			$0 restart;
			fi;
		;;

	reload-if-running)
		if ! is_running mta && ! is_running msp; then
			echo 'Mail Transport Agent: sendmail is not running';
		else
			$0 reload;
			fi;
		;;

	reload|force-reload)
		log_daemon_msg "Reloading $DESC" "$NAME";
		reload_sendmail;
		log_end_msg $?;
		;;

	#-----------------------------------------------------------------------
	# Local targets (sendmail commands/aliases) for MSP/MTA split support
	# These targets will pass along any provided parameters
	#-----------------------------------------------------------------------
	newaliases)
		shift;
		newaliases $*;
		;;

	hoststat)
		shift;
		hoststat $*;
		;;

	purgestat)
		shift;
		purgestat $*;
		;;

	mailstats)
		shift;
		mailstats $*;
		;;

	mailq)
		shift;
		mailq $*;
		;;

	runq)
		shift;
		runq $*;
		;;

	control|smcontrol)
		shift;
		control $*;
		;;

	#-----------------------------------------------------------------------
	# Local targets for extended support/debugging
	#-----------------------------------------------------------------------
	status)
		shift;
		status $*;
		;;

	debug)
		#
		# If not running, can't debug
		if is_running msp; then
			echo -n 'Dumping MSP state...';
			$SIGNAL_MSP_CMD --signal USR1;
			echo 'done.';
			fi;
		if is_running mta; then
			echo -n 'Dumping MTA state...';
			$SIGNAL_MTAL_CMD --signal USR1;
			echo 'done.';
			fi;
		;;

	clean|clean_que*|clean-que*)
		#
		# If running, don't clean the queues...
		if is_running mta; then
			echo 'MTA is running, queue cleaning ill advised...';
		else
			echo -n 'Cleaning up the queues...';
			clean_queues;
			echo 'done.';
			fi;
		;;

	#-----------------------------------------------------------------------
	# Local targets for cronjob support
	#-----------------------------------------------------------------------
	cron-msp)
		cron_msp;
		;;

	cron-mta)
		cron_mta;
		;;

	#-----------------------------------------------------------------------
	# Default target - bitch and moan
	#-----------------------------------------------------------------------
	*)
		echo "Invalid command <$1>";
		echo "Usage: $0 <command>";
		echo '	Where <command> is one of the following';
		echo '	  start|stop|restart|restart-if-running';
		echo '	  reload-if-running|reload|force-reload';
		echo '	  newaliases|hoststat|purgestat|mailstats|mailq|runq|control';
		echo '	  status|debug|clean';
		exit 1;
		;;
	esac;

exit 0;
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