Access Device Info from EAP Method

linuxthefish linuxthefish
Sun Aug 2 11:40:09 PDT 2015

> On Mon, Jul 13, 2015 at 12:30:11PM +0000, Pereida Garcia Cesar wrote:
>> I'm new to wpa_supplicant and hostapd but I'm working on the implementation of a new EAP method. (Peer and Server)
>> I need to access the MAC address and Device information from my eap_new.c but I can't find a way.
>> How can I get this information?
>> I was thinking maybe through the EAP state machine but I'm not sure it's possible or how to get it.
> EAP methods in general do not (and probably for a good reason..) care
> about the MAC address or anything lower layer information at the link
> layer. As such, there has been no need for this type of information at
> the EAP server/peer methods. If you really need that and cannot change
> the design to not be specific to a link layer detail (EAP is supposed to
> work over other link layers..), you would need to extend the EAP state
> machine design and likely also the EAPOL state machine to expose such
> information from the other parts of hostapd and wpa_supplicant.
> --
> Jouni Malinen                                            PGP id EFC895FA
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