Untitled

int wps_is_selected_pin_registrar(const struct wpabuf *msg)
{
        struct wps_parse_attr attr;

        /*
         * In theory, this could also verify that attr.sel_reg_config_methods
         * includes WPS_CONFIG_LABEL, WPS_CONFIG_DISPLAY, or WPS_CONFIG_KEYPAD,
         * but some deployed AP implementations do not set Selected Registrar
         * Config Methods attribute properly, so it is safer to just use
         * Device Password ID here.
         */

        if (wps_parse_msg(msg, &attr) < 0)
                return 0;

        if (!attr.selected_registrar || *attr.selected_registrar == 0)
                return 0;

        if (attr.dev_password_id != NULL &&
            WPA_GET_BE16(attr.dev_password_id) == DEV_PW_PUSHBUTTON)
                return 0;

        return 1;
}