How can I tell what capabilities are built in to a wpa_supplicant executable?

Jouni Malinen j at
Sat Aug 13 00:33:25 PDT 2016

On Mon, Aug 08, 2016 at 12:20:43PM +0100, chris at wrote:
> Is there any way to tell what options have been used to build a
> wpa_supplicant executable?
> In particular I'd like to be able to find out if the wpa_supplicant
> provided by the Ubuntu
> repositories has EAP-SIM capabilities.

The control interface command GET_CAPABILITY allows number of the
capabilities to be determined. For example, "wpa_cli get_capability eap"
would list the EAP methods that were included in the build.

Jouni Malinen                                            PGP id EFC895FA

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