Add station tracking based on other management frame subtypes

This extends the previous tracking design to add a station entry based
on other management frames than Probe Request frames. For example, this
covers a case where the station is using passive scanning.

Signed-off-by: Jouni Malinen <j@w1.fi>

src/ap/beacon.c

@@ -592,7 +592,7 @@ static struct hostapd_sta_info * sta_track_get(struct hostapd_iface *iface,
 }
 
 
-static void sta_track_add(struct hostapd_iface *iface, const u8 *addr)
+void sta_track_add(struct hostapd_iface *iface, const u8 *addr)
 {
 	struct hostapd_sta_info *info;
 

src/ap/beacon.h

@@ -21,6 +21,7 @@ int ieee802_11_update_beacons(struct hostapd_iface *iface);
 int ieee802_11_build_ap_params(struct hostapd_data *hapd,
 			       struct wpa_driver_ap_params *params);
 void ieee802_11_free_ap_params(struct wpa_driver_ap_params *params);
+void sta_track_add(struct hostapd_iface *iface, const u8 *addr);
 void sta_track_expire(struct hostapd_iface *iface, int force);
 struct hostapd_data *
 sta_track_seen_on(struct hostapd_iface *iface, const u8 *addr,

src/ap/ieee802_11.c

@@ -2335,6 +2335,9 @@ int ieee802_11_mgmt(struct hostapd_data *hapd, const u8 *buf, size_t len,
 		return 0;
 	}
 
+	if (hapd->iconf->track_sta_max_num)
+		sta_track_add(hapd->iface, mgmt->sa);
+
 	switch (stype) {
 	case WLAN_FC_STYPE_AUTH:
 		wpa_printf(MSG_DEBUG, "mgmt::auth");