#!/bin/sh # send mail script for adblock notifications # Copyright (c) 2015-2022 Dirk Brenken (dev@brenken.org) # This is free software, licensed under the GNU General Public License v3. # Please note: you have to manually install and configure the package 'msmtp' before using this script # set (s)hellcheck exceptions # shellcheck disable=all LC_ALL=C PATH="/usr/sbin:/usr/bin:/sbin:/bin" [ -r "/lib/functions.sh" ] && . "/lib/functions.sh" adb_debug="$(uci_get adblock global adb_debug "0")" adb_mailsender="$(uci_get adblock global adb_mailsender "no-reply@adblock")" adb_mailreceiver="$(uci_get adblock global adb_mailreceiver)" adb_mailtopic="$(uci_get adblock global adb_mailtopic "adblock notification")" adb_mailprofile="$(uci_get adblock global adb_mailprofile "adb_notify")" adb_ver="${1}" adb_mail="$(command -v msmtp)" adb_logger="$(command -v logger)" adb_logread="$(command -v logread)" adb_rc="1" f_log() { local class="${1}" log_msg="${2}" if [ -x "${adb_logger}" ]; then "${adb_logger}" -p "${class}" -t "adblock-${adb_ver}[${$}]" "${log_msg}" else printf "%s %s %s\n" "${class}" "adblock-${adb_ver}[${$}]" "${log_msg}" fi } if [ -z "${adb_mailreceiver}" ]; then f_log "err" "please set the mail receiver with the 'adb_mailreceiver' option" exit ${adb_rc} fi [ "${adb_debug}" = "1" ] && debug="--debug" adb_mailhead="From: ${adb_mailsender}\nTo: ${adb_mailreceiver}\nSubject: ${adb_mailtopic}\nReply-to: ${adb_mailsender}\nMime-Version: 1.0\nContent-Type: text/html;charset=utf-8\nContent-Disposition: inline\n\n" # info preparation # sys_info="$( 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 '/^$/d' 2>/dev/null )" adb_info="$(/etc/init.d/adblock status 2>/dev/null)" rep_info="${2}" if [ -x "${adb_logread}" ]; then log_info="$("${adb_logread}" -l 100 -e "adblock-" | awk '{NR=1;max=120;if(length($0)>max+1)while($0){if(NR==1){print substr($0,1,max)}else{print substr($0,1,max)}{$0=substr($0,max+1);NR=NR+1}}else print}')" fi # mail body # adb_mailtext="

"
adb_mailtext="${adb_mailtext}\n++\n++ System Information ++\n++\n${sys_info}"
adb_mailtext="${adb_mailtext}\n\n++\n++ Adblock Information ++\n++\n${adb_info}"
if [ -n "${rep_info}" ]; then
	adb_mailtext="${adb_mailtext}\n\n++\n++ Report Information ++\n++\n${rep_info}"
fi
adb_mailtext="${adb_mailtext}\n\n++\n++ Logfile Information ++\n++\n${log_info}"
adb_mailtext="${adb_mailtext}

" # send mail # if [ -x "${adb_mail}" ]; then printf "%b" "${adb_mailhead}${adb_mailtext}" 2>/dev/null | "${adb_mail}" ${debug} -a "${adb_mailprofile}" "${adb_mailreceiver}" >/dev/null 2>&1 adb_rc=${?} f_log "info" "mail sent to '${adb_mailreceiver}' with rc '${adb_rc}'" else f_log "err" "msmtp mail daemon not found" fi exit ${adb_rc}