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#!/bin/sh
#
# mta.sh - start multiple MTA instances, e.g. for MailScanner

# PROVIDE: mta
# 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 "/usr/local/sbin/exim"
# mta_configfile (str):   Config file, defaults depending on $mta_type either
#             to "/etc/mail/sendmail.cf" or "/usr/local/etc/exim/configure"
# mta_pidfile (str):      PID file, defaults depending on $mta_type either
#             to "/var/run/sendmail.pid" or "/var/run/exim.pid"
#

#
# 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_outgoing_flags="-L sm-mta-out -q15m"
# mta_outgoing_pidfile="/var/run/sendmail_out.pid"
# mta_submitqueue_flags="-L sm-msp-queue -Ac -q15m"
# mta_submitqueue_pidfile="/var/spool/clientmqueue/sm-client.pid"
#

. %%RC_SUBR%%

name="mta"
rcvar=`set_rcvar`

load_rc_config $name

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

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="/usr/local/sbin/exim"
        _mta_configfile="/usr/local/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_${profile}_configfile}
        [ "x${mta_configfile}" = "x" ] && {
            echo "You must define a configuration file (mta_${profile}_configfile)"
            exit 1
        }
        eval mta_enable=\${mta_${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 "$0: extra argument ignored"
    fi
else
    if [ "x${mta_profiles}" != "x" ]; then
    for profile in ${mta_profiles}; do
        echo "===> mta profile: ${profile}"
        $0 $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"