Re: [PATCH 2/2] D-Bus: add pmf to global capabilities

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On 06-01-17 18:57, Dan Williams wrote:
> On Thu, 2017-01-05 at 16:06 +0100, Stijn Tintel wrote:
>> Signed-off-by: Stijn Tintel <stijn@xxxxxxxxxxxxx>
>> ---
>>  wpa_supplicant/dbus/dbus_new_handlers.c | 3 +++
>>  1 file changed, 3 insertions(+)
>>
>> diff --git a/wpa_supplicant/dbus/dbus_new_handlers.c
>> b/wpa_supplicant/dbus/dbus_new_handlers.c
>> index b25afc8..eac9ab4 100644
>> --- a/wpa_supplicant/dbus/dbus_new_handlers.c
>> +++ b/wpa_supplicant/dbus/dbus_new_handlers.c
>> @@ -991,6 +991,9 @@ dbus_bool_t wpas_dbus_getter_global_capabilities(
>>  #ifdef CONFIG_INTERWORKING
>>  	capabilities[num_items++] = "interworking";
>>  #endif /* CONFIG_INTERWORKING */
>> +#ifdef CONFIG_IEEE80211W
>> +	capabilities[num_items++] = "pmf";
>> +#endif /* CONFIG_IEEE80211W */
>>  
>>  	return wpas_dbus_simple_array_property_getter(iter,
Hi Dan, thanks for reviewing the patches.
> This looks OK, but this is only for the supplicant as a whole.
>
> What about each individual interface?  We also typically have
> corresponding properties in the interface properties itself, since just
> because the supplicant is compiled with 11W or AP support doesn't mean
> the driver and hardware can actually do it.  For example, if you have
> to use the WEXT driver, the only in-kernel driver that supports
> IW_AUTH_MFP_REQUIRED is orinoco.
In the support ticket for NM to add 802.11w support [1], we agree that
enabling it optionally (pmf=1) when wpa_supplicant 802.11w support is
detected is the easiest way forward.
It should not matter if the driver supports it or not, as wpa_supplicant
can already handle that [2]. In my opinion it does not make much sense
to duplicate that logic in NM?

Stijn

[1] https://bugzilla.gnome.org/show_bug.cgi?id=748367
[2]
https://w1.fi/cgit/hostap/tree/wpa_supplicant/wpa_supplicant.c?id=117875db331f3c858fbfe23e0db415dd9fcb2a6d#n5991



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