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WPS: Remove PushButton from M1 ConfigMethods on AP

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These config methods are for the Enrollee role, i.e., for adding
external Registrars, and as such, PushButton should not be claimed
to be supported.
This commit is contained in:
Jouni Malinen 2010-11-04 17:29:48 +02:00 committed by Jouni Malinen
parent 6e1468839c
commit c7c0ddfd91
1 changed files with 15 additions and 1 deletions
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16
src/wps/wps_enrollee.c
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@ -119,6 +119,7 @@ static int wps_build_e_snonce2(struct wps_data *wps, struct wpabuf *msg)
static struct wpabuf * wps_build_m1(struct wps_data *wps)
{
struct wpabuf *msg;
u16 config_methods;
if (os_get_random(wps->nonce_e, WPS_NONCE_LEN) < 0)
return NULL;
@ -130,6 +131,19 @@ static struct wpabuf * wps_build_m1(struct wps_data *wps)
if (msg == NULL)
return NULL;
config_methods = wps->wps->config_methods;
if (wps->wps->ap) {
/*
* These are the methods that the AP supports as an Enrollee
* for adding external Registrars, so remove PushButton.
*/
config_methods &= ~WPS_CONFIG_PUSHBUTTON;
#ifdef CONFIG_WPS2
config_methods &= ~(WPS_CONFIG_VIRT_PUSHBUTTON |
WPS_CONFIG_PHY_PUSHBUTTON);
#endif /* CONFIG_WPS2 */
}
if (wps_build_version(msg) ||
wps_build_msg_type(msg, WPS_M1) ||
wps_build_uuid_e(msg, wps->uuid_e) ||
@ -139,7 +153,7 @@ static struct wpabuf * wps_build_m1(struct wps_data *wps)
wps_build_auth_type_flags(wps, msg) ||
wps_build_encr_type_flags(wps, msg) ||
wps_build_conn_type_flags(wps, msg) ||
wps_build_config_methods(msg, wps->wps->config_methods) ||
wps_build_config_methods(msg, config_methods) ||
wps_build_wps_state(wps, msg) ||
wps_build_device_attrs(&wps->wps->dev, msg) ||
wps_build_rf_bands(&wps->wps->dev, msg) ||