#!/bin/sh
#
# adblock send mail script for mstmp
# written by Dirk Brenken (dev@brenken.org)
# Please note: you have to install and configure the package 'mstmp' before using this script.

# This is free software, licensed under the GNU General Public License v3.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.

LC_ALL=C
PATH="/usr/sbin:/usr/bin:/sbin:/bin"
mail_ver="1.0.1"
mail_daemon="$(command -v msmtp)"
mail_profile="adb_notify"
mail_debug="--debug"
mail_rc=1

if [ ! -x "${mail_daemon}" ]
then
    mail_daemon="$(command -v sendmail)"
fi

if [ -f "/var/log/messages" ]
then
    logfile="$(cat /var/log/messages | grep "adblock-")"
else
    logfile="$(logread -e "adblock-")"
fi

# mail header
#
mail_sender="no-reply@adblock"
mail_receiver="!!!ChangeMe!!!"
mail_topic="adblock notification"
mail_head="From: ${mail_sender}\nTo: ${mail_receiver}\nSubject: ${mail_topic}\nReply-to: ${mail_sender}\n\n"

# mail body
#
mail_text="adblock status, generated at $(date 2>&1)!"
mail_text="${mail_text}\n++\n++ System Information ++\n++\n$(cat /etc/banner 2>&1)"
mail_text="${mail_text}\n\n++\n++ Adblock Information ++\n++\n$(/etc/init.d/adblock status 2>&1)"
mail_text="${mail_text}\n\n++\n++ Logfile Information ++\n++\n${logfile}\n++\n++\n"

# send mail
#
if [ -x "${mail_daemon}" ]
then
    printf "%b" "${mail_head}${mail_text}" 2>/dev/null | "${mail_daemon}" ${mail_debug} -a "${mail_profile}" "${mail_receiver}" >/dev/null 2>&1
    mail_rc=${?}
    logger -p "info" -t "adblock-notify-[${mail_ver}]" "mail sent to '${mail_receiver}' with rc '${mail_rc}'"
else
    logger -p "err" -t "adblock-notify-[${mail_ver}]" "msmtp mail daemon not found"
fi

exit ${mail_rc}