Help debug my authentication issue? (Part 1)

Frank Rizzo thefrankrizzo at hotmail.com
Thu Oct 15 01:01:37 EDT 2015


> It looks like hostapd is sending out EAP-Request/Identity to the
> station, but does not receive any response to that. That message made it
> to the station based on this:
>
>> * Dump from wpa_cli on the tablet:
>> IFNAME=wlan0 <3>Associated with <Computer MAC>
>> IFNAME=wlan0 <3>CTRL-EVENT-EAP-STARTED EAP authentication started
>> IFNAME=wlan0 <3>CTRL-EVENT-EAP-STATUS status='started' parameter=''
>> IFNAME=wlan0 <3>Authentication with <Computer MAC> timed out.
>
> But it is not clear what the station did here, i.e. whether it tried to
> reply or not.. This would require either getting more detailed debug
> information from the station (e.g., enable wpa_supplicant debugging and
> check logcat if this is on Android) or a wireless sniffer capture of the
> frames exchanged between the device (to check whether the station
> replied with EAP-Response/Identity).
>

Is THIS the station responding?  It's sending it's user name "tablet"

D/wpa_supplicant( 1287): EAP: EAP-Request Identity data - hexdump(len=0):
D/wpa_supplicant( 1287): EAP: using real identity - hexdump(len=6): 74 61  
62 6c 65 74
D/wpa_supplicant( 1287): EAP: EAP entering state SEND_RESPONSE
D/wpa_supplicant( 1287): EAP: EAP entering state IDLE
D/wpa_supplicant( 1287): EAPOL: SUPP_BE entering state RESPONSE
D/wpa_supplicant( 1287): EAPOL: txSuppRsp
D/wpa_supplicant( 1287): TX EAPOL: dst=<Computer MAC>
D/wpa_supplicant( 1287): TX EAPOL - hexdump(len=15): 01 00 00 0b 02 83 00  
0b 01 74 61 62 6c 65 74
D/wpa_supplicant( 1287): EAPOL: SUPP_BE entering state RECEIVE
D/wpadebug( 1512): Received broadcast intent:  
action=android.net.wifi.supplicant.STATE_CHANGE
D/wpadebug( 1512):   newState: ASSOCIATED
D/wpa_supplicant( 1287): EAPOL: startWhen --> 0
D/wpa_supplicant( 1287): wlan0: RX EAPOL from <Computer MAC>
D/wpa_supplicant( 1287): RX EAPOL - hexdump(len=9): 01 00 00 05 01 83 00  
05 01
D/wpa_supplicant( 1287): EAPOL: Received EAP-Packet frame


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