How to check if wpa_supplicant.conf has any syntax errors?

penguin_pam

I would like to know if there is a tool that allows me to check if I made any syntax errors in wpa_supplicant.conf(5) . I am looking for a utility for wpa_supplicant(8) that would server the same purpose as the --check flag of visudo(8) from the sudo(8) suite. The only solution I've come up with so far is running wpa_supplicant -c wpa_supplicant.conf -iNonexistentInterface` but it is less than ideal. Partially because the return code is always...

Originally asked by Mateusz Piotrowski on Stack Exchange (unix) (CC BY-SA 4.0).

uphilltech

Great question — answering as the UphillTech team:

I understand your wish but know of no such thing. It would be a nice feature. But I think you are close already now. There is however another utility named wpa_cli which might be helpful if you are willing to consider a slightly different approach. Or maybe you know it and have already discarded the idea. It is available along with wpa_supplicant.conf in the base system: $ uname -r 11.1-RELEASE $ wpa_cli -v wpa_cli v2.5 Copyright (c) 2004-2015, Jouni Malinen <j@w1.fi> and contributors Version 2.7 is available as a port. The man page is unfortunately not kept quite up-to-date. Neither is the readme wpa_cli -help lists all current options. And of those these might be interesting: reconfigure...

Full answer by Claus Andersen: https://unix.stackexchange.com/a/487184 (CC BY-SA 4.0).

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