wireshark-nmea

Wireshark protocol dissector in lua for NMEA 0183 protocol over ethernet.

Testing

• tshark -r samples/second.pcapng -T fields -X lua_script:nmea0183.lua -e nmea.message
• wireshark -X lua_script:nmea0183.lua samples/second.pcapng
• make clean tests

PowerShell / Windows

# if wireshark is installed in the "normal" folder
& 'C:\Program Files\Wireshark\Wireshark.exe' -X lua_script:nmea0183.lua samples\second.pcapng

# usint tshark and showing header, type and fields from the dissected data
& 'C:\Program Files\Wireshark\tshark.exe'  -X lua_script:nmea0183.lua -T fields -e nmea.header -e nmea.type -e nmea.fields -r .\samples\second.pcapng

Reference

• Wikipedia Article - https://en.wikipedia.org/wiki/NMEA_0183
• NMEA format - https://gpsd.gitlab.io/gpsd/NMEA.html
• kplex - http://www.stripydog.com/kplex/
• Lua Support in Wireshark - https://www.wireshark.org/docs/wsdg_html_chunked/wsluarm.html
• Wireshark wiki for lua - https://gitlab.com/wireshark/wireshark/-/wikis/Lua

License

Apache License 2.0. See the file LICENSE.