#!/bin/sh # send mail script for travelmate notifications # Copyright (c) 2020 Dirk Brenken (dev@brenken.org) # This is free software, licensed under the GNU General Public License v3. # set (s)hellcheck exceptions # shellcheck disable=1091,2016,2039,2059,2086,2143,2181,2188 # Please note: you have to setup the package 'msmtp' before using this script export LC_ALL=C export PATH="/usr/sbin:/usr/bin:/sbin:/bin" set -o pipefail if [ "$(uci_get 2>/dev/null; printf "%u" "${?}")" = "127" ] then . "/lib/functions.sh" fi 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="$(command -v logger)" f_log() { local class="${1}" log_msg="${2}" if [ -x "${trm_logger}" ] then "${trm_logger}" -p "${class}" -t "trm-mail [${$}]" "${log_msg}" else printf "%s %s %s\\n" "${class}" "trm-mail [${$}]" "${log_msg}" fi } if [ -z "${trm_mailreceiver}" ] then f_log "err" "please set the mail receiver with the 'trm_mailreceiver' option" 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 | sed -e 's/\"release\": {//' | sed -e 's/^[ \t]*//' | sed -e 's/[{}\",]//g' | sed -e 's/[ ]/ \t/' | sed '/^$/d' 2>/dev/null)" trm_info="$(/etc/init.d/travelmate status 2>/dev/null)" sta_info="$(jsonfilter -i "${trm_rtfile}" -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}" "${trm_mailreceiver}" >/dev/null 2>&1 mail_rc="${?}" f_log "info" "mail sent to '${trm_mailreceiver}' with rc '${mail_rc}'" exit ${mail_rc}