X-Git-Url: http://www.project-moonshot.org/gitweb/?a=blobdiff_plain;f=wpa_supplicant%2Fscan.c;h=60e7b68b5aacfc87f65558a687da9f0ac4e64cf3;hb=8f4791749302bb3a89b2baef19fc5e6075ec3845;hp=768fa8ed6227ebf90c6829c2e497defd0234284d;hpb=585141bb30a0912841afe1e2682aa7bad5fc43bd;p=mech_eap.git

diff --git a/wpa_supplicant/scan.c b/wpa_supplicant/scan.c
index 768fa8e..60e7b68 100644
--- a/wpa_supplicant/scan.c
+++ b/wpa_supplicant/scan.c
@@ -36,8 +36,7 @@ static void wpa_supplicant_gen_assoc_event(struct wpa_supplicant *wpa_s)
 
 	if (wpa_s->current_ssid == NULL) {
 		wpa_s->current_ssid = ssid;
-		if (wpa_s->current_ssid != NULL)
-			wpas_notify_network_changed(wpa_s);
+		wpas_notify_network_changed(wpa_s);
 	}
 	wpa_supplicant_initiate_eapol(wpa_s);
 	wpa_dbg(wpa_s, MSG_DEBUG, "Already associated with a configured "
@@ -60,10 +59,7 @@ static int wpas_wps_in_use(struct wpa_supplicant *wpa_s,
 
 		wps = 1;
 		*req_type = wpas_wps_get_req_type(ssid);
-		if (!ssid->eap.phase1)
-			continue;
-
-		if (os_strstr(ssid->eap.phase1, "pbc=1"))
+		if (ssid->eap.phase1 && os_strstr(ssid->eap.phase1, "pbc=1"))
 			return 2;
 	}
 
@@ -166,6 +162,8 @@ static void wpas_trigger_scan_cb(struct wpa_radio_work *work, int deinit)
 	if (wpas_update_random_addr_disassoc(wpa_s) < 0) {
 		wpa_msg(wpa_s, MSG_INFO,
 			"Failed to assign random MAC address for a scan");
+		wpa_scan_free_params(params);
+		wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_SCAN_FAILED "ret=-1");
 		radio_work_done(work);
 		return;
 	}
@@ -229,12 +227,11 @@ int wpa_supplicant_trigger_scan(struct wpa_supplicant *wpa_s,
 	}
 
 	ctx = wpa_scan_clone_params(params);
-	if (ctx == NULL)
-		return -1;
-
-	if (radio_add_work(wpa_s, 0, "scan", 0, wpas_trigger_scan_cb, ctx) < 0)
+	if (!ctx ||
+	    radio_add_work(wpa_s, 0, "scan", 0, wpas_trigger_scan_cb, ctx) < 0)
 	{
 		wpa_scan_free_params(ctx);
+		wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_SCAN_FAILED "ret=-1");
 		return -1;
 	}
 
@@ -266,8 +263,9 @@ wpa_supplicant_sched_scan_timeout(void *eloop_ctx, void *timeout_ctx)
 }
 
 
-int wpa_supplicant_start_sched_scan(struct wpa_supplicant *wpa_s,
-				    struct wpa_driver_scan_params *params)
+static int
+wpa_supplicant_start_sched_scan(struct wpa_supplicant *wpa_s,
+				struct wpa_driver_scan_params *params)
 {
 	int ret;
 
@@ -282,7 +280,7 @@ int wpa_supplicant_start_sched_scan(struct wpa_supplicant *wpa_s,
 }
 
 
-int wpa_supplicant_stop_sched_scan(struct wpa_supplicant *wpa_s)
+static int wpa_supplicant_stop_sched_scan(struct wpa_supplicant *wpa_s)
 {
 	int ret;
 
@@ -428,6 +426,39 @@ static void wpas_add_interworking_elements(struct wpa_supplicant *wpa_s,
 #endif /* CONFIG_INTERWORKING */
 
 
+void wpa_supplicant_set_default_scan_ies(struct wpa_supplicant *wpa_s)
+{
+	struct wpabuf *default_ies = NULL;
+	u8 ext_capab[18];
+	int ext_capab_len;
+	enum wpa_driver_if_type type = WPA_IF_STATION;
+
+#ifdef CONFIG_P2P
+	if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT)
+		type = WPA_IF_P2P_CLIENT;
+#endif /* CONFIG_P2P */
+
+	wpa_drv_get_ext_capa(wpa_s, type);
+
+	ext_capab_len = wpas_build_ext_capab(wpa_s, ext_capab,
+					     sizeof(ext_capab));
+	if (ext_capab_len > 0 &&
+	    wpabuf_resize(&default_ies, ext_capab_len) == 0)
+		wpabuf_put_data(default_ies, ext_capab, ext_capab_len);
+
+#ifdef CONFIG_MBO
+	/* Send cellular capabilities for potential MBO STAs */
+	if (wpabuf_resize(&default_ies, 9) == 0)
+		wpas_mbo_scan_ie(wpa_s, default_ies);
+#endif /* CONFIG_MBO */
+
+	if (default_ies)
+		wpa_drv_set_default_scan_ies(wpa_s, wpabuf_head(default_ies),
+					     wpabuf_len(default_ies));
+	wpabuf_free(default_ies);
+}
+
+
 static struct wpabuf * wpa_supplicant_extra_ies(struct wpa_supplicant *wpa_s)
 {
 	struct wpabuf *extra_ie = NULL;
@@ -438,6 +469,13 @@ static struct wpabuf * wpa_supplicant_extra_ies(struct wpa_supplicant *wpa_s)
 	enum wps_request_type req_type = WPS_REQ_ENROLLEE_INFO;
 #endif /* CONFIG_WPS */
 
+#ifdef CONFIG_P2P
+	if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT)
+		wpa_drv_get_ext_capa(wpa_s, WPA_IF_P2P_CLIENT);
+	else
+#endif /* CONFIG_P2P */
+		wpa_drv_get_ext_capa(wpa_s, WPA_IF_STATION);
+
 	ext_capab_len = wpas_build_ext_capab(wpa_s, ext_capab,
 					     sizeof(ext_capab));
 	if (ext_capab_len > 0 &&
@@ -496,6 +534,13 @@ 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;
 }
 
@@ -576,6 +621,12 @@ static void wpa_set_scan_ssids(struct wpa_supplicant *wpa_s,
 	unsigned int i;
 	struct wpa_ssid *ssid;
 
+	/*
+	 * For devices with max_ssids greater than 1, leave the last slot empty
+	 * for adding the wildcard scan entry.
+	 */
+	max_ssids = max_ssids > 1 ? max_ssids - 1 : max_ssids;
+
 	for (i = 0; i < wpa_s->scan_id_count; i++) {
 		unsigned int j;
 
@@ -830,12 +881,10 @@ static void wpa_supplicant_scan(void *eloop_ctx, void *timeout_ctx)
 		 * slot for the zero-terminator.
 		 */
 		params.freqs = os_malloc(sizeof(int) * 2);
-		if (params.freqs == NULL) {
-			wpa_dbg(wpa_s, MSG_ERROR, "Memory allocation failed");
-			return;
+		if (params.freqs) {
+			params.freqs[0] = wpa_s->assoc_freq;
+			params.freqs[1] = 0;
 		}
-		params.freqs[0] = wpa_s->assoc_freq;
-		params.freqs[1] = 0;
 
 		/*
 		 * Reset the reattach flag so that we fall back to full scan if
@@ -1867,8 +1916,8 @@ int wpa_supplicant_filter_bssid_match(struct wpa_supplicant *wpa_s,
 }
 
 
-static void filter_scan_res(struct wpa_supplicant *wpa_s,
-			    struct wpa_scan_results *res)
+void filter_scan_res(struct wpa_supplicant *wpa_s,
+		     struct wpa_scan_results *res)
 {
 	size_t i, j;
 
@@ -1901,7 +1950,7 @@ static void filter_scan_res(struct wpa_supplicant *wpa_s,
 #define DEFAULT_NOISE_FLOOR_2GHZ (-89)
 #define DEFAULT_NOISE_FLOOR_5GHZ (-92)
 
-static void scan_snr(struct wpa_scan_res *res)
+void scan_snr(struct wpa_scan_res *res)
 {
 	if (res->flags & WPA_SCAN_NOISE_INVALID) {
 		res->noise = IS_5GHZ(res->freq) ?
@@ -1985,8 +2034,8 @@ static unsigned int max_vht80_rate(int snr)
 }
 
 
-static void scan_est_throughput(struct wpa_supplicant *wpa_s,
-				struct wpa_scan_res *res)
+void scan_est_throughput(struct wpa_supplicant *wpa_s,
+			 struct wpa_scan_res *res)
 {
 	enum local_hw_capab capab = wpa_s->hw_capab;
 	int rate; /* max legacy rate in 500 kb/s units */
@@ -2334,10 +2383,18 @@ int wpas_start_pno(struct wpa_supplicant *wpa_s)
 	struct wpa_ssid *ssid;
 	struct wpa_driver_scan_params params;
 	struct sched_scan_plan scan_plan;
+	unsigned int max_sched_scan_ssids;
 
 	if (!wpa_s->sched_scan_supported)
 		return -1;
 
+	if (wpa_s->max_sched_scan_ssids > WPAS_MAX_SCAN_SSIDS)
+		max_sched_scan_ssids = WPAS_MAX_SCAN_SSIDS;
+	else
+		max_sched_scan_ssids = wpa_s->max_sched_scan_ssids;
+	if (max_sched_scan_ssids < 1)
+		return -1;
+
 	if (wpa_s->pno || wpa_s->pno_sched_pending)
 		return 0;
 
@@ -2381,10 +2438,10 @@ int wpas_start_pno(struct wpa_supplicant *wpa_s)
 		num_ssid++;
 	}
 
-	if (num_ssid > WPAS_MAX_SCAN_SSIDS) {
+	if (num_ssid > max_sched_scan_ssids) {
 		wpa_printf(MSG_DEBUG, "PNO: Use only the first %u SSIDs from "
-			   "%u", WPAS_MAX_SCAN_SSIDS, (unsigned int) num_ssid);
-		num_ssid = WPAS_MAX_SCAN_SSIDS;
+			   "%u", max_sched_scan_ssids, (unsigned int) num_ssid);
+		num_ssid = max_sched_scan_ssids;
 	}
 
 	if (num_match_ssid > wpa_s->max_match_sets) {
@@ -2596,13 +2653,6 @@ int wpas_sched_scan_plans_set(struct wpa_supplicant *wpa_s, const char *cmd)
 			goto fail;
 		}
 
-		if (!scan_plan->interval) {
-			wpa_printf(MSG_ERROR,
-				   "scan plan %u: Interval cannot be zero",
-				   num);
-			goto fail;
-		}
-
 		if (scan_plan->interval > wpa_s->max_sched_scan_plan_interval) {
 			wpa_printf(MSG_WARNING,
 				   "scan plan %u: Scan interval too long(%u), use the maximum allowed(%u)",
@@ -2676,3 +2726,31 @@ fail:
 	wpa_printf(MSG_ERROR, "invalid scan plans list");
 	return -1;
 }
+
+
+/**
+ * wpas_scan_reset_sched_scan - Reset sched_scan state
+ * @wpa_s: Pointer to wpa_supplicant data
+ *
+ * This function is used to cancel a running scheduled scan and to reset an
+ * internal scan state to continue with a regular scan on the following
+ * wpa_supplicant_req_scan() calls.
+ */
+void wpas_scan_reset_sched_scan(struct wpa_supplicant *wpa_s)
+{
+	wpa_s->normal_scans = 0;
+	if (wpa_s->sched_scanning) {
+		wpa_s->sched_scan_timed_out = 0;
+		wpa_s->prev_sched_ssid = NULL;
+		wpa_supplicant_cancel_sched_scan(wpa_s);
+	}
+}
+
+
+void wpas_scan_restart_sched_scan(struct wpa_supplicant *wpa_s)
+{
+	/* simulate timeout to restart the sched scan */
+	wpa_s->sched_scan_timed_out = 1;
+	wpa_s->prev_sched_ssid = NULL;
+	wpa_supplicant_cancel_sched_scan(wpa_s);
+}