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

[Blanquicet-Melendez Jose (MM)]

Hi,

There is something anologue to this which allows to know the HT and VHT capabilties? And also if wpa_supplicant was built using those option (CONFIG_IEEE80211N and CONFIG_IEEE80211AC)?.
It would be really useful on the upper layers in order to know if 80211n and 80211ac can be enabled when setting up an AP mode operation.

Regards,

Jose Blanquicet

> -----Original Message-----
> From: Hostap [mailto:hostap-bounces at lists.infradead.org] On Behalf Of Dan
> Williams
> Sent: Monday, August 15, 2016 4:47 PM
> To: Jouni Malinen; chris at globaloptimists.org
> Cc: hostap at lists.infradead.org
> Subject: Re: How can I tell what capabilities are built in to a wpa_supplicant
> executable?
>
> On Sat, 2016-08-13 at 10:33 +0300, Jouni Malinen wrote:
> > On Mon, Aug 08, 2016 at 12:20:43PM +0100, chris at globaloptimists.org
> > 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.
>
> The D-Bus interface also lists which EAP methods are built in:
>
> dbus-send --system --print-reply --dest=fi.w1.wpa_supplicant1
> /fi/w1/wpa_supplicant1 org.freedesktop.DBus.Properties.GetAll
> string:"fi.w1.wpa_supplicant1"
>
> gives you something like:
>
>       dict entry(
>          string "EapMethods"
>          variant             array [
>                string "MD5"
>                string "TLS"
>                string "MSCHAPV2"
>                string "PEAP"
>                string "TTLS"
>                string "GTC"
>                string "OTP"
>                string "LEAP"
>                string "AKA"
>                string "FAST"
>                string "PAX"
>                string "SAKE"
>                string "GPSK"
>                string "WSC"
>                string "IKEV2"
>                string "TNC"
>             ]
>       )
>
> Dan
>
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