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#!/bin/sh

# mta - start multiple MTA instances, e.g. for MailScanner

# PROVIDE: mta mail
# REQUIRE: LOGIN cleanvar
# BEFORE:
# KEYWORD: shutdown

#
# Add the following lines to /etc/rc.conf to enable mta at boot-up time:
# mta_enable (bool):      Set to "NO" by default.
#                         Set it to "YES" to enable mta
# mta_type (str):         Type of MTA (sendmail, exim, unknown), defaults to "sendmail"
# mta_profiles (string):  Undefined by default. Define your profiles here.
# mta_flags (str):        Set to "" by default.
#                         Extra flags passed to start command.
# mta_program (str):      Path to program, defaults depending on $mta_type
#			  either to "/usr/sbin/sendmail" or "%%LOCALBASE%%/sbin/exim"
# mta_configfile (str):   Config file, defaults depending on $mta_type either
#			  to "/etc/mail/sendmail.cf" or "%%LOCALBASE%%/etc/exim/configure"
# mta_pidfile (str):      PID file, defaults depending on $mta_type either
#			  to "/var/run/sendmail.pid" or "/var/run/exim.pid"
#
#
# ATTENTION: All of the above entries are necessary in order for mta to work correctly!
#

#
# Examples:
#
# Exim, 2 instances (for MailScanner):
#
# mta_enable="YES"
# mta_type="exim"
# mta_profiles="incoming outgoing"
# mta_incoming_configfile="/usr/local/etc/exim/configure.in"
# mta_incoming_flags="-bd"
# mta_incoming_pidfile="/var/run/exim_in.pid"
# mta_outgoing_configfile="/usr/local/etc/exim/configure.out"
# mta_outgoing_flags="-q15m"
# mta_outgoing_pidfile="/var/run/exim_out.pid"
#
# Sendmail, 3 instances (for MailScanner):
#
# mta_enable="YES"
# mta_type="sendmail"
# mta_profiles="incoming outgoing submitqueue"
# mta_incoming_flags="-L sm-mta-in -bd -OPrivacyOptions=noetrn -OQueueDirectory=/var/spool/mqueue.in -ODeliveryMode=queueonly"
# mta_incoming_pidfile="/var/run/sendmail_in.pid"
# mta_incoming_configfile="/etc/mail/sendmail.cf"
# mta_outgoing_flags="-L sm-mta-out -q15m"
# mta_outgoing_pidfile="/var/run/sendmail_out.pid"
# mta_outgoing_configfile="/etc/mail/sendmail.cf"
# mta_submitqueue_flags="-L sm-msp-queue -Ac -q15m"
# mta_submitqueue_pidfile="/var/spool/clientmqueue/sm-client.pid"
# mta_submitqueue_configfile="/etc/mail/submit.cf"

PATH=$PATH:/sbin:/usr/sbin; export PATH

. /etc/rc.subr

name="mta"
rcvar=mta_enable
desc="MailScanner MTA start script"

_mta_rc_script="%%PREFIX%%/etc/rc.d/mta"

load_rc_config $name

: ${mta_enable:=NO}
: ${mta_type:=sendmail}

case "${mta_type}" in

	sendmail)
		_mta_program="/usr/sbin/sendmail"
		_mta_configfile="/etc/mail/sendmail.cf"
		_mta_pidfile="/var/run/sendmail.pid"
		;;

	exim)
		_mta_program="%%LOCALBASE%%/sbin/exim"
		_mta_configfile="%%LOCALBASE%%/etc/exim/configure"
		_mta_pidfile="/var/run/exim.pid"
		;;
esac

: ${mta_program=${_mta_program}}
: ${mta_configfile=${_mta_configfile}}
: ${mta_pidfile=${_mta_pidfile}}

# support SIGHUP to reparse configuration file
extra_commands="reload"

# command and arguments
command="${mta_program}"

if [ -n "${2}" -o -n "$profile" ]; then
	profile=${profile-$2}
	export profile
	if [ "x${mta_profiles}" != "x" ]; then
		eval mta_configfile=\${mta_${profile}_configfile}
		if [ -z "${mta_configfile}" ]; then
			echo "You must define a configuration file (mta_${profile}_configfile)"
			exit 1
		fi
		eval mta_enable=\${mta_${profile}_enable:-YES}
		eval mta_flags=\${mta_${profile}_flags:-${mta_flags}}
		eval mta_configfile=\${mta_${profile}_configfile:-${mta_configfile}}
		eval mta_pidfile=\${mta_${profile}_pidfile:-${mta_pidfile}}
		pidfile="${_pidprefix}.${profile}.pid"
	else
		echo "$_mta_rc_script: extra argument ignored"
	fi
else
	if [ "x${mta_profiles}" != "x" ]; then
	for profile in ${mta_profiles}; do
		echo "===> mta profile: ${profile}"
		$_mta_rc_script $1 $profile
		retcode=$?
		if [ "$?" -ne 0 ]; then
			failed="${profile} ({$retcode}) ${failed}"
		else
			success="${profile} ${success}"
		fi
	done
	exit 0
	fi
fi


pidfile=${mta_pidfile}
required_files="${mta_configfile}"

# select correct command arguments
case "${mta_type}" in

	sendmail)
		command_args="-C'${mta_configfile}' -OPidFile='${pidfile}'"
		;;

	exim)
		command_args="-C '${mta_configfile}' -oP '${pidfile}'"
		;;

	*)
		command_args=""
		;;
esac
run_rc_command "$1"