HS 2.0: Add optional no-scan parameter to FETCH_OSU

This is mainly for testing purposes to allow multiple FETCH_OSU ANQP
operations to be ran without having to wait for full scan between each
query.

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

wpa_supplicant/ctrl_iface.c

@@ -9053,7 +9053,10 @@ char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
 		if (del_hs20_icon(wpa_s, buf + 14) < 0)
 			reply_len = -1;
 	} else if (os_strcmp(buf, "FETCH_OSU") == 0) {
-		if (hs20_fetch_osu(wpa_s) < 0)
+		if (hs20_fetch_osu(wpa_s, 0) < 0)
+			reply_len = -1;
+	} else if (os_strcmp(buf, "FETCH_OSU no-scan") == 0) {
+		if (hs20_fetch_osu(wpa_s, 1) < 0)
 			reply_len = -1;
 	} else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
 		hs20_cancel_fetch_osu(wpa_s);

wpa_supplicant/hs20_supplicant.c

@@ -1076,7 +1076,7 @@ static void hs20_osu_scan_res_handler(struct wpa_supplicant *wpa_s,
 }
 
 
-int hs20_fetch_osu(struct wpa_supplicant *wpa_s)
+int hs20_fetch_osu(struct wpa_supplicant *wpa_s, int skip_scan)
 {
 	if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
 		wpa_printf(MSG_DEBUG, "HS 2.0: Cannot start fetch_osu - "
@@ -1107,7 +1107,16 @@ int hs20_fetch_osu(struct wpa_supplicant *wpa_s)
 	wpa_msg(wpa_s, MSG_INFO, "Starting OSU provisioning information fetch");
 	wpa_s->num_osu_scans = 0;
 	wpa_s->num_prov_found = 0;
-	hs20_start_osu_scan(wpa_s);
+	if (skip_scan) {
+		wpa_s->network_select = 0;
+		wpa_s->fetch_all_anqp = 1;
+		wpa_s->fetch_osu_info = 1;
+		wpa_s->fetch_osu_icon_in_progress = 0;
+
+		interworking_start_fetch_anqp(wpa_s);
+	} else {
+		hs20_start_osu_scan(wpa_s);
+	}
 
 	return 0;
 }

wpa_supplicant/hs20_supplicant.h

@@ -31,7 +31,7 @@ void hs20_rx_deauth_imminent_notice(struct wpa_supplicant *wpa_s, u8 code,
 void hs20_free_osu_prov(struct wpa_supplicant *wpa_s);
 void hs20_next_osu_icon(struct wpa_supplicant *wpa_s);
 void hs20_osu_icon_fetch(struct wpa_supplicant *wpa_s);
-int hs20_fetch_osu(struct wpa_supplicant *wpa_s);
+int hs20_fetch_osu(struct wpa_supplicant *wpa_s, int skip_scan);
 void hs20_cancel_fetch_osu(struct wpa_supplicant *wpa_s);
 void hs20_icon_fetch_failed(struct wpa_supplicant *wpa_s);
 void hs20_start_osu_scan(struct wpa_supplicant *wpa_s);