Wireshark-MQTT
===========================

MQTT dissector for Wireshark was developed for debugging
libemqtt (https://github.com/menudoproblema/libemqtt)



Usage
=====

$ wireshark -X lua_script:mqtt.lua

If you want to install this as a plugin just copy the mqtt.lua to 
a wireshark plugin folder.
In windows this could be %APPDATA%\Wireshark\plugins



Example
=======

MQ Telemetry Transport, Message Type: CONNECT, QoS: 0
	> Fixed Header
		0001 .... = Message Type: 0x01
		.... 0... = DUP Flag: 0
		.... .00. = QoS Level: 0
		.... ...0 = Retain: 0
		Remain Length: 36

	> Variable Header
		Protocol Name: MQIsdp
		Protocol Version: 3
		> Flags
			1... .... = Username Flag: 1
			.0.. .... = Password Flag: 0
			..0. .... = Will Retain Flag: 0
			...0 0... = Will QoS Flag: 0
			.... .0.. = Will Flag: 0
			.... ..1. = Clean Session Flag: 1
		Keep Alive (secs): 300

	> Payload
		Client ID: libemqtt pub
		Username: username