Add option to send mail when connection status change

luci-app-mail/Makefile

@@ -0,0 +1,15 @@
+#
+# Copyright (C) 2018 Ycarus (Yannick Chabanois) <ycarus@zugaina.org>
+#
+#
+
+include $(TOPDIR)/rules.mk
+
+LUCI_TITLE:=LuCI Mail Configuration
+LUCI_DEPENDS:=+msmtp-mta +ca-certificates
+
+PKG_LICENSE:=GPLv3
+
+include ../luci/luci.mk
+
+# call BuildPackage - OpenWrt buildroot signature

luci-app-mail/luasrc/controller/mail.lua

@@ -0,0 +1,8 @@
+local ucic = luci.model.uci.cursor()
+local dt = require "luci.cbi.datatypes"
+module("luci.controller.mail", package.seeall)
+
+function index()
+	entry({"admin", "services", "mail"}, alias("admin", "services", "mail", "index"), _("Mail"))
+	entry({"admin", "services", "mail", "index"}, cbi("mail"))
+end

luci-app-mail/luasrc/model/cbi/mail.lua

@@ -0,0 +1,44 @@
+-- Copyright 2018 Ycarus (Yannick Chabanois) <ycarus@zugaina.org>
+-- Licensed to the public under the Apache License 2.0.
+
+m = Map("mail", translate("Send mail"), translate("Send mail settings"))
+
+s = m:section(TypedSection, "smtp", translate("SMTP"))
+s.anonymous = true
+s.addremove = false
+
+server = s:option(Value, "server", translate("Server"))
+server.datatype = "host"
+server.placeholder = "smtp.gmail.com"
+server.optional = false
+
+port = s:option(Value, "port", translate("Port"))
+port.datatype = "port"
+port.optional = false
+port.rmempty  = true
+port.default = "25"
+
+tls = s:option(Flag, "tls", translate("TLS"))
+tls.rmempty  = false
+
+tls_starttls = s:option(Flag, "tls_starttls", translate("STARTTLS"))
+tls_starttls.rmempty  = false
+
+user = s:option(Value, "user", translate("User"))
+user.rmempty = true
+
+password = s:option(Value, "password", translate("Password"))
+password.password = true
+password.rmempty = true
+
+from = s:option(Value, "from", translate("From"))
+from.optional = false
+from.rmempty = true
+from.placeholder = "myself@gmail.com"
+
+to = s:option(Value, "to", translate("To"))
+to.optional = false
+to.rmempty = true
+to.placeholder = "myself@gmail.com"
+
+return m

luci-app-mail/root/etc/config/mail

@@ -0,0 +1 @@
+config smtp 'default'

luci-app-mail/root/etc/init.d/msmtp

@@ -0,0 +1,60 @@
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2018 Ycarus (Yannick Chabanois) <ycarus@zugaina.org>
+
+START=90
+STOP=10
+
+USE_PROCD=1
+
+validate_section() {
+	uci_validate_section mail smtp "${1}" \
+		'server:host'          \
+		'tls:bool:0'           \
+		'tls_starttls:bool:0'  \
+		'from:string'          \
+		'user:string'          \
+		'password:string'      \
+		'port:port:25'
+}
+
+config_account() {
+	local server tls tls_starttls from user password
+
+	validate_section "${1}" || {
+		_err "validation failed"
+		return 1
+	}
+
+	cat > /tmp/msmtp.tmp <<-EOF
+	account default
+	host $server
+	port $port
+	EOF
+	[ -n "$user" ] && [ -n "$password" ] && {
+		cat >> /tmp/msmtp.tmp <<-EOF
+		auth on
+		user $user
+		password $password
+		EOF
+	}
+	[ -n "$from" ] && echo "from $from" >> /tmp/msmtp.tmp
+	[ "$tls" = "1" ] && {
+		cat >> /tmp/msmtp.tmp <<-EOF
+		tls_trust_file /etc/ssl/certs/ca-certificates.crt
+		tls on
+		EOF
+	} || {
+		echo 'tls off' >> /tmp/msmtp.tmp
+	}
+	[ "$tls_starttls" = "1" ] && {
+		echo 'tls_starttls on' >> /tmp/msmtp.tmp
+	} || {
+		echo 'tls_starttls off' >> /tmp/msmtp.tmp
+	}
+}
+
+start_service() {
+	config_load mail
+	config_foreach config_account smtp
+	[ -f "/tmp/msmtp.tmp" ] && mv /tmp/msmtp.tmp /etc/msmtprc
+}

luci-app-mail/root/etc/uci-defaults/4101-mail

@@ -0,0 +1,8 @@
+#!/bin/sh
+uci -q batch <<-EOF >/dev/null
+	delete ucitrack.@mail[-1]
+	add ucitrack mail
+	set ucitrack.@mail[-1].init=mail
+	commit ucitrack
+EOF
+exit 0

luci-app-omr-tracker/luasrc/model/cbi/omr-tracker.lua

@@ -72,6 +72,10 @@ o:value("httping","httping")
 o:value("dns","dns")
 o:value("none","none")
 
+o = s:option(Flag, "mail_alert", translate("Mail alert"), translate("Send a mail when connection state change"))
+o.rmempty     = false
+o.default     = false
+
 o = s:option(DynamicList, "hosts", translate("Hosts"))
 o.placeholder = "4.2.2.1"
 o.default     = { "4.2.2.1", "8.8.8.8" }
@@ -115,6 +119,10 @@ o:value("httping","httping")
 o:value("dns","dns")
 o:value("none","none")
 
+o = s:option(Flag, "mail_alert", translate("Mail alert"), translate("Send a mail when connection status change"))
+o.rmempty     = false
+o.default     = false
+
 o = s:option(DynamicList, "hosts", translate("Hosts"))
 o.placeholder = "4.2.2.1"
 o.default     = { "4.2.2.1", "8.8.8.8" }

mptcp/files/usr/share/omr/post-tracking.d/post-tracking

@@ -122,10 +122,14 @@ if [ "$OMR_TRACKER_STATUS" = "ERROR" ]; then
 		exit 0
 	fi
 	[ "$multipath_status" = "off" ] || {
+		mail_alert="$(uci -q get omr-tracker.$OMR_TRACKER_INTERFACE.mail_alert)"
+		[ -z "$mail_alert" ] && mail_alert="$(uci -q get omr-tracker.defaults.mail_alert)"
 		if [ "$OMR_TRACKER_STATUS_MSG" = "" ]; then
 			_log "$OMR_TRACKER_DEVICE switched off"
+			[ "$mail_alert" = "1" ] && echo -e "Subject: OpenMPTCProuter: $OMR_TRACKER_INTERFACE ($OMR_TRACKER_DEVICE) is down\n\nOpenMPTCProuter detected a connection failure of $OMR_TRACKER_INTERFACE ($OMR_TRACKER_DEVICE)." | sendmail $(uci -q get mail.default.to)
 		else
 			_log "$OMR_TRACKER_DEVICE switched off because $OMR_TRACKER_STATUS_MSG"
+			[ "$mail_alert" = "1" ] && echo -e "Subject: OpenMPTCProuter: $OMR_TRACKER_INTERFACE ($OMR_TRACKER_DEVICE) is down\n\nOpenMPTCProuter detected a connection failure of $OMR_TRACKER_INTERFACE ($OMR_TRACKER_DEVICE). The reason is \"$OMR_TRACKER_STATUS_MSG\"." | sendmail $(uci -q get mail.default.to)
 		fi
 		if [ "$(sysctl -n net.mptcp.mptcp_enabled | tr -d '\n')" = "1" ]; then
 			multipath "$OMR_TRACKER_DEVICE" off > /dev/null 2>&1
@@ -213,6 +217,12 @@ if [ "$OMR_TRACKER_INTERFACE" = "glorytun" ] || [ "$OMR_TRACKER_INTERFACE" = "om
 	exit 0
 fi
 
+if [ "$OMR_TRACKER_PREV_STATUS" != "" ] && [ "$OMR_TRACKER_PREV_STATUS" != "$OMR_TRACKER_STATUS" ]; then
+	mail_alert="$(uci -q get omr-tracker.$OMR_TRACKER_INTERFACE.mail_alert)"
+	[ -z "$mail_alert" ] && mail_alert="$(uci -q get omr-tracker.defaults.mail_alert)"
+	[ "$mail_alert" = "1" ] && echo -e "Subject: OpenMPTCProuter: $OMR_TRACKER_INTERFACE ($OMR_TRACKER_DEVICE) is down\n\nOpenMPTCProuter detected a connection failure of $OMR_TRACKER_INTERFACE ($OMR_TRACKER_DEVICE)." | sendmail $(uci -q get mail.default.to)
+fi
+
 multipath_config=$(uci -q get "network.$OMR_TRACKER_INTERFACE.multipath" || echo "off")
 if [ "$multipath_config" = "master" ]; then
 	if [ "$default_gw" != "$OMR_TRACKER_DEVICE_GATEWAY" ] || [ "$default_gw" = "" ]; then

openmptcprouter-full/Makefile

@@ -37,6 +37,7 @@ MY_DEPENDS := \
     luci-app-sqm sqm-scripts-extra \
     luci-app-vnstat omr-quota luci-app-omr-quota \
     luci-app-mptcp luci-app-openmptcprouter luci-app-omr-bypass \
+    luci-app-mail \
     omr-6in4 ip6tables-mod-nat luci-proto-ipv6 6to4 6in4 6rd iputils-traceroute6 \
     speedtestc \
     iftop \