[PATCH v2] supplicant: Allow custom probe and assoc req ie.

[Ben Greear]

On 04/08/2016 07:31 AM, Jouni Malinen wrote:
> On Mon, Apr 04, 2016 at 06:55:05PM -0400, greearb at candelatech.com wrote:
>> This lets user specify additional IEs for probe requests and
>> association requests.
>
> While reviewing the changes, I noticed that the Association Request
> frame case was already supported with control interface command
> VENDOR_ELEM_ADD 13 <hexdump>
>
> Probe Request frame did not have similar extension, so adding that makes
> sense, but it's better to be consistent with the already existing
> mechanism, so I updated this patch to do simply this:

How do you set this in the wpa config file, or is this only available
through wpa-cli?

Thanks,
Ben

>
> diff --git a/src/common/wpa_ctrl.h b/src/common/wpa_ctrl.h
> index d9641bb..20cd5ae 100644
> --- a/src/common/wpa_ctrl.h
> +++ b/src/common/wpa_ctrl.h
> @@ -319,6 +319,7 @@ enum wpa_vendor_elem_frame {
>   	VENDOR_ELEM_P2P_ASSOC_REQ = 11,
>   	VENDOR_ELEM_P2P_ASSOC_RESP = 12,
>   	VENDOR_ELEM_ASSOC_REQ = 13,
> +	VENDOR_ELEM_PROBE_REQ = 14,
>   	NUM_VENDOR_ELEM_FRAMES
>   };
>
> diff --git a/wpa_supplicant/scan.c b/wpa_supplicant/scan.c
> index 4dd0314..b2576e3 100644
> --- a/wpa_supplicant/scan.c
> +++ b/wpa_supplicant/scan.c
> @@ -497,6 +497,13 @@ static struct wpabuf * wpa_supplicant_extra_ies(struct wpa_supplicant *wpa_s)
>   		wpas_mbo_scan_ie(wpa_s, extra_ie);
>   #endif /* CONFIG_MBO */
>
> +	if (wpa_s->vendor_elem[VENDOR_ELEM_PROBE_REQ]) {
> +		struct wpabuf *buf = wpa_s->vendor_elem[VENDOR_ELEM_PROBE_REQ];
> +
> +		if (wpabuf_resize(&extra_ie, wpabuf_len(buf)) == 0)
> +			wpabuf_put_buf(extra_ie, buf);
> +	}
> +
>   	return extra_ie;
>   }
>
>

-- 
Ben Greear <greearb at candelatech.com>
Candela Technologies Inc  http://www.candelatech.com