DPP2: Allow AP to require or reject PFS

The new hostapd configuration parameter dpp_pfs can be used to specify
how PFS is applied to associations. The default behavior (dpp_pfs=0)
remains same as it was previously, i.e., allow the station to decide
whether to use PFS. PFS use can now be required (dpp_pfs=1) or rejected
(dpp_pfs=2).

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>

src/ap/ieee802_11.c

@@ -1638,6 +1638,8 @@ static u16 wpa_res_to_status_code(enum wpa_validate_result res)
 		return WLAN_STATUS_INVALID_IE;
 	case WPA_INVALID_PMKID:
 		return WLAN_STATUS_INVALID_PMKID;
+	case WPA_DENIED_OTHER_REASON:
+		return WLAN_STATUS_ASSOC_DENIED_UNSPEC;
 	}
 	return WLAN_STATUS_INVALID_IE;
 }