Why the capabilities not added while generating the wpa_ie

Kiran Kulkarni kiran.1267 at gmail.com
Tue Sep 16 02:03:12 EDT 2008


Dan Williams wrote:
> On Mon, 2008-09-15 at 14:29 +0530, Kiran Kulkarni wrote:
>   
>> I wanted to ask whether the wpa_ie obtaing from the scanResults bssid 
>> "properties"
>> method on the DBus API is generated from the wpa_gen_wpa_ie or which is 
>> given by the drive.
>>     
>
> It is passed through from the driver.  It should be the exact same data
> that the driver returns to the supplicant when parsing the scan results
> through the .get_scan_results or .get_scan_results2 hooks.
>
>   
>> Also If it is generated from the wpa_gen_wpa_ie then why capabilities 
>> are not added...
>>     
>
> It shouldn't ever be generated in the supplicant, from a quick look at
> all the drivers, the IEs get copied directly into the struct
> wpa_scan_res that the supplicant uses internally.
>
>   
>> A comment in the code says
>>
>> /* WPA Capabilities; use defaults, so no need to include it */
>>
>> So what is the significance of the capabilities...
>>     
>
> What capabilities are you looking for?  Are you talking about the AP
> capabilities (privacy, qos, short slot, etc) or something else?
>
> Dan
>
>   
>> Also The parsing handled PreAuth only,
>> what are the other capabilities.
>> _______________________________________________
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>>     
>
>
>   
Yeah I was looking for QoS, privacy, preauthentication etc which are 
stored after the authentication algorithms....


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