WPS: Track result of the latest WPS operation

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>

src/ap/hostapd.h

@@ -67,6 +67,16 @@ struct hostapd_frame_info {
 	int ssi_signal; /* dBm */
 };
 
+enum wps_status {
+	WPS_STATUS_SUCCESS = 1,
+	WPS_STATUS_FAILURE
+};
+
+struct wps_stat {
+	enum wps_status status;
+	enum wps_error_indication failure_reason;
+};
+
 
 /**
  * struct hostapd_data - hostapd per-BSS data structure
@@ -147,6 +157,8 @@ struct hostapd_data {
 	unsigned int ap_pin_failures_consecutive;
 	struct upnp_wps_device_sm *wps_upnp;
 	unsigned int ap_pin_lockout_time;
+
+	struct wps_stat wps_stats;
 #endif /* CONFIG_WPS */
 
 	struct hostapd_probereq_cb *probereq_cb;

src/ap/wps_hostapd.c

@@ -707,6 +707,11 @@ static int wps_pwd_auth_fail(struct hostapd_data *hapd, void *ctx)
 static void hostapd_pwd_auth_fail(struct hostapd_data *hapd,
 				  struct wps_event_pwd_auth_fail *data)
 {
+	/* Update WPS Status - Authentication Failure */
+	wpa_printf(MSG_DEBUG, "WPS: Authentication failure update");
+	hapd->wps_stats.status = WPS_STATUS_FAILURE;
+	hapd->wps_stats.failure_reason = WPS_EI_AUTH_FAILURE;
+
 	hostapd_wps_for_each(hapd, wps_pwd_auth_fail, data);
 }
 
@@ -734,9 +739,20 @@ static void hostapd_wps_ap_pin_success(struct hostapd_data *hapd)
 }
 
 
+static void hostapd_wps_event_success(struct hostapd_data *hapd)
+{
+	/* Update WPS status - Success */
+	hapd->wps_stats.status = WPS_STATUS_SUCCESS;
+}
+
+
 static void hostapd_wps_event_fail(struct hostapd_data *hapd,
 				   struct wps_event_fail *fail)
 {
+	/* Update WPS status - Failure */
+	hapd->wps_stats.status = WPS_STATUS_FAILURE;
+	hapd->wps_stats.failure_reason = fail->error_indication;
+
 	if (fail->error_indication > 0 &&
 	    fail->error_indication < NUM_WPS_EI_VALUES) {
 		wpa_msg(hapd->msg_ctx, MSG_INFO,
@@ -764,6 +780,7 @@ static void hostapd_wps_event_cb(void *ctx, enum wps_event event,
 		hostapd_wps_event_fail(hapd, &data->fail);
 		break;
 	case WPS_EV_SUCCESS:
+		hostapd_wps_event_success(hapd);
 		wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_SUCCESS);
 		break;
 	case WPS_EV_PWD_AUTH_FAIL:

src/wps/wps.c

@@ -651,6 +651,8 @@ const char * wps_ei_str(enum wps_error_indication ei)
 		return "TKIP Only Prohibited";
 	case WPS_EI_SECURITY_WEP_PROHIBITED:
 		return "WEP Prohibited";
+	case WPS_EI_AUTH_FAILURE:
+		return "Authentication Failure";
 	default:
 		return "Unknown";
 	}

src/wps/wps_defs.h

@@ -223,6 +223,7 @@ enum wps_error_indication {
 	WPS_EI_NO_ERROR,
 	WPS_EI_SECURITY_TKIP_ONLY_PROHIBITED,
 	WPS_EI_SECURITY_WEP_PROHIBITED,
+	WPS_EI_AUTH_FAILURE,
 	NUM_WPS_EI_VALUES
 };