#!/bin/bash

# Copyright: 2023 Virtuozzo International GmbH

# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at

# http://www.apache.org/licenses/LICENSE-2.0

# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.



[ -n "${SENDMAILEXTIPLIB_VERSION:-}" ] && return 0;
SENDMAILEXTIPLIB_VERSION="0.1";

include os net;
SENDMAIL_CONF='/etc/mail/sendmail.cf';
$PROGRAM 'awk';
$PROGRAM 'ip';
$PROGRAM 'sed';

function SendmailExtIp() {
    SM_ENABLED=1;
    [[ -n "${META_FILE}" ]] && [ -e "${META_FILE}" ] && source ${META_FILE} ;
    [ -z "$SENDMAIL_ENABLED" ] && {
        SENDMAIL_ENABLED=0;
    }

    if [ -f /usr/sbin/sendmail.sendmail ]; then
        [ $UID -eq 0 ] && {
            chmod g+s /usr/sbin/sendmail.sendmail 2>/dev/null
        }
        myip=$($IP route get 1 | $AWK '{print $NF;exit}')
        if isLANIP $myip &&  [ ${SENDMAIL_ENABLED} -eq 0 ] ; then
            SM_ENABLED=0;
        fi

        if [ ${SM_ENABLED} -eq 0 ] ; then
            /sbin/chkconfig sendmail off 2>/dev/null 1>/dev/null;
            [ -f /var/run/sendmail.pid ] && stopServiceSilent sendmail ;
        else
            $SED -i 's/#O Timeout.initial=5m/O Timeout.ident=0s/' $SENDMAIL_CONF;
            enableService sendmail 1>/dev/null 2>/dev/null;
            [ -f /var/run/sendmail.pid ] || startServiceSilent sendmail ;
        fi;
    fi;
    return 0;
}