#!/bin/sh # send mail script for travelmate notifications # Copyright (c) 2020-2021 Dirk Brenken (dev@brenken.org) # This is free software, licensed under the GNU General Public License v3. # set (s)hellcheck exceptions # shellcheck disable=1091,3040 # Please note: you have to setup the package 'msmtp' before using this script . "/lib/functions.sh" export LC_ALL=C export PATH="/usr/sbin:/usr/bin:/sbin:/bin" set -o pipefail trm_debug="$(uci_get travelmate global trm_debug "0")" trm_mailreceiver="$(uci_get travelmate global trm_mailreceiver)" trm_mailprofile="$(uci_get travelmate global trm_mailprofile "trm_notify")" trm_mailsender="$(uci_get travelmate global trm_mailsender "no-reply@travelmate")" trm_rtfile="$(uci_get travelmate global trm_rtfile "/tmp/trm_runtime.json")" trm_mailpgm="$(command -v msmtp)" trm_logger="$(command -v logger)" if [ -z "${trm_mailreceiver}" ]; then "${trm_logger}" -p "err" -t "trm-mail [${$}]" "please set the mail receiver with the 'trm_mailreceiver' option" 2>/dev/null exit 1 fi if [ "${trm_debug}" = "1" ]; then debug="--debug" fi # info preparation # sys_info="$( strings /etc/banner 2>/dev/null ubus call system board | awk 'BEGIN{FS="[{}\"]"}{if($2=="kernel"||$2=="hostname"||$2=="system"||$2=="model"||$2=="description")printf " + %-12s: %s\n",$2,$4}' )" trm_info="$(/etc/init.d/travelmate status 2>/dev/null)" sta_info="$(jsonfilter -i "${trm_rtfile}" -q -l1 -e '@.data.station_id')" trm_mailtopic="$(uci_get travelmate global trm_mailtopic "travelmate connection to '${sta_info}'")" trm_mailhead="From: ${trm_mailsender}\nTo: ${trm_mailreceiver}\nSubject: ${trm_mailtopic}\nReply-to: ${trm_mailsender}\nMime-Version: 1.0\nContent-Type: text/html;charset=utf-8\nContent-Disposition: inline\n\n" # mail body # trm_mailtext="

"
trm_mailtext="${trm_mailtext}\n++\n++ System Information ++\n++\n${sys_info}"
trm_mailtext="${trm_mailtext}\n\n++\n++ Travelmate Information ++\n++\n${trm_info}"
trm_mailtext="${trm_mailtext}

" # send mail # printf "%b" "${trm_mailhead}${trm_mailtext}" 2>/dev/null | "${trm_mailpgm}" ${debug} -a "${trm_mailprofile}" "${trm_mailreceiver}" >/dev/null 2>&1 "${trm_logger}" -p "info" -t "trm-mail [${$}]" "mail sent to '${trm_mailreceiver}' with rc '${?}'" 2>/dev/null