/*
* WPA Supplicant - Scanning
- * Copyright (c) 2003-2014, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2003-2019, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
wpa_scan_free_params(params);
work->ctx = NULL;
if (ret) {
- int retry = wpa_s->last_scan_req != MANUAL_SCAN_REQ;
+ int retry = wpa_s->last_scan_req != MANUAL_SCAN_REQ &&
+ !wpa_s->beacon_rep_data.token;
if (wpa_s->disconnected)
retry = 0;
/* Clear the scan_res_handler */
wpa_s->scan_res_handler = NULL;
}
+
+ if (wpa_s->beacon_rep_data.token)
+ wpas_rrm_refuse_request(wpa_s);
+
return;
}
#endif /* CONFIG_INTERWORKING */
+#ifdef CONFIG_MBO
+static void wpas_fils_req_param_add_max_channel(struct wpa_supplicant *wpa_s,
+ struct wpabuf **ie)
+{
+ if (wpabuf_resize(ie, 5)) {
+ wpa_printf(MSG_DEBUG,
+ "Failed to allocate space for FILS Request Parameters element");
+ return;
+ }
+
+ /* FILS Request Parameters element */
+ wpabuf_put_u8(*ie, WLAN_EID_EXTENSION);
+ wpabuf_put_u8(*ie, 3); /* FILS Request attribute length */
+ wpabuf_put_u8(*ie, WLAN_EID_EXT_FILS_REQ_PARAMS);
+ /* Parameter control bitmap */
+ wpabuf_put_u8(*ie, 0);
+ /* Max Channel Time field - contains the value of MaxChannelTime
+ * parameter of the MLME-SCAN.request primitive represented in units of
+ * TUs, as an unsigned integer. A Max Channel Time field value of 255
+ * is used to indicate any duration of more than 254 TUs, or an
+ * unspecified or unknown duration. (IEEE Std 802.11ai-2016, 9.4.2.178)
+ */
+ wpabuf_put_u8(*ie, 255);
+}
+#endif /* CONFIG_MBO */
+
+
void wpa_supplicant_set_default_scan_ies(struct wpa_supplicant *wpa_s)
{
struct wpabuf *default_ies = NULL;
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)
+ if (wpa_s->enable_oce & OCE_STA)
+ wpas_fils_req_param_add_max_channel(wpa_s, &default_ies);
+ /* Send MBO and OCE capabilities */
+ if (wpabuf_resize(&default_ies, 12) == 0)
wpas_mbo_scan_ie(wpa_s, default_ies);
#endif /* CONFIG_MBO */
wpas_add_interworking_elements(wpa_s, extra_ie);
#endif /* CONFIG_INTERWORKING */
+#ifdef CONFIG_MBO
+ if (wpa_s->enable_oce & OCE_STA)
+ wpas_fils_req_param_add_max_channel(wpa_s, &extra_ie);
+#endif /* CONFIG_MBO */
+
#ifdef CONFIG_WPS
wps = wpas_wps_in_use(wpa_s, &req_type);
#endif /* CONFIG_WPS */
#ifdef CONFIG_HS20
- if (wpa_s->conf->hs20 && wpabuf_resize(&extra_ie, 7) == 0)
- wpas_hs20_add_indication(extra_ie, -1);
+ if (wpa_s->conf->hs20 && wpabuf_resize(&extra_ie, 9) == 0)
+ wpas_hs20_add_indication(extra_ie, -1, 0);
#endif /* CONFIG_HS20 */
#ifdef CONFIG_FST
#endif /* CONFIG_FST */
#ifdef CONFIG_MBO
- /* Send cellular capabilities for potential MBO STAs */
- if (wpabuf_resize(&extra_ie, 9) == 0)
+ /* Send MBO and OCE capabilities */
+ if (wpabuf_resize(&extra_ie, 12) == 0)
wpas_mbo_scan_ie(wpa_s, extra_ie);
#endif /* CONFIG_MBO */
}
+static void wpa_add_scan_ssid(struct wpa_supplicant *wpa_s,
+ struct wpa_driver_scan_params *params,
+ size_t max_ssids, const u8 *ssid, size_t ssid_len)
+{
+ unsigned int j;
+
+ for (j = 0; j < params->num_ssids; j++) {
+ if (params->ssids[j].ssid_len == ssid_len &&
+ params->ssids[j].ssid &&
+ os_memcmp(params->ssids[j].ssid, ssid, ssid_len) == 0)
+ return; /* already in the list */
+ }
+
+ if (params->num_ssids + 1 > max_ssids) {
+ wpa_printf(MSG_DEBUG, "Over max scan SSIDs for manual request");
+ return;
+ }
+
+ wpa_printf(MSG_DEBUG, "Scan SSID (manual request): %s",
+ wpa_ssid_txt(ssid, ssid_len));
+
+ params->ssids[params->num_ssids].ssid = ssid;
+ params->ssids[params->num_ssids].ssid_len = ssid_len;
+ params->num_ssids++;
+}
+
+
+static void wpa_add_owe_scan_ssid(struct wpa_supplicant *wpa_s,
+ struct wpa_driver_scan_params *params,
+ struct wpa_ssid *ssid, size_t max_ssids)
+{
+#ifdef CONFIG_OWE
+ struct wpa_bss *bss;
+
+ if (!(ssid->key_mgmt & WPA_KEY_MGMT_OWE))
+ return;
+
+ wpa_printf(MSG_DEBUG, "OWE: Look for transition mode AP. ssid=%s",
+ wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
+
+ dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
+ const u8 *owe, *pos, *end;
+ const u8 *owe_ssid;
+ size_t owe_ssid_len;
+
+ if (bss->ssid_len != ssid->ssid_len ||
+ os_memcmp(bss->ssid, ssid->ssid, ssid->ssid_len) != 0)
+ continue;
+
+ owe = wpa_bss_get_vendor_ie(bss, OWE_IE_VENDOR_TYPE);
+ if (!owe || owe[1] < 4)
+ continue;
+
+ pos = owe + 6;
+ end = owe + 2 + owe[1];
+
+ /* Must include BSSID and ssid_len */
+ if (end - pos < ETH_ALEN + 1)
+ return;
+
+ /* Skip BSSID */
+ pos += ETH_ALEN;
+ owe_ssid_len = *pos++;
+ owe_ssid = pos;
+
+ if ((size_t) (end - pos) < owe_ssid_len ||
+ owe_ssid_len > SSID_MAX_LEN)
+ return;
+
+ wpa_printf(MSG_DEBUG,
+ "OWE: scan_ssids: transition mode OWE ssid=%s",
+ wpa_ssid_txt(owe_ssid, owe_ssid_len));
+
+ wpa_add_scan_ssid(wpa_s, params, max_ssids,
+ owe_ssid, owe_ssid_len);
+ return;
+ }
+#endif /* CONFIG_OWE */
+}
+
+
static void wpa_set_scan_ssids(struct wpa_supplicant *wpa_s,
struct wpa_driver_scan_params *params,
size_t max_ssids)
max_ssids = max_ssids > 1 ? max_ssids - 1 : max_ssids;
for (i = 0; i < wpa_s->scan_id_count; i++) {
- unsigned int j;
-
ssid = wpa_config_get_network(wpa_s->conf, wpa_s->scan_id[i]);
- if (!ssid || !ssid->scan_ssid)
+ if (!ssid)
continue;
-
- for (j = 0; j < params->num_ssids; j++) {
- if (params->ssids[j].ssid_len == ssid->ssid_len &&
- params->ssids[j].ssid &&
- os_memcmp(params->ssids[j].ssid, ssid->ssid,
- ssid->ssid_len) == 0)
- break;
- }
- if (j < params->num_ssids)
- continue; /* already in the list */
-
- if (params->num_ssids + 1 > max_ssids) {
- wpa_printf(MSG_DEBUG,
- "Over max scan SSIDs for manual request");
- break;
- }
-
- wpa_printf(MSG_DEBUG, "Scan SSID (manual request): %s",
- wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
- params->ssids[params->num_ssids].ssid = ssid->ssid;
- params->ssids[params->num_ssids].ssid_len = ssid->ssid_len;
- params->num_ssids++;
+ if (ssid->scan_ssid)
+ wpa_add_scan_ssid(wpa_s, params, max_ssids,
+ ssid->ssid, ssid->ssid_len);
+ /*
+ * Also add the SSID of the OWE BSS, to allow discovery of
+ * transition mode APs more quickly.
+ */
+ wpa_add_owe_scan_ssid(wpa_s, params, ssid, max_ssids);
}
wpa_s->scan_id_count = 0;
if (params.num_ssids + 1 >= max_ssids)
break;
}
+
+ if (!wpas_network_disabled(wpa_s, ssid)) {
+ /*
+ * Also add the SSID of the OWE BSS, to allow
+ * discovery of transition mode APs more
+ * quickly.
+ */
+ wpa_add_owe_scan_ssid(wpa_s, ¶ms, ssid,
+ max_ssids);
+ }
+
ssid = ssid->next;
if (ssid == start)
break;
}
}
+#ifdef CONFIG_MBO
+ if (wpa_s->enable_oce & OCE_STA)
+ params.oce_scan = 1;
+#endif /* CONFIG_MBO */
+
params.filter_ssids = wpa_supplicant_build_filter_ssids(
wpa_s->conf, ¶ms.num_filter_ssids);
if (extra_ie) {
int_array_concat(¶ms.freqs, wpa_s->conf->freq_list);
}
+#ifdef CONFIG_MBO
+ if (wpa_s->enable_oce & OCE_STA)
+ params.oce_scan = 1;
+#endif /* CONFIG_MBO */
+
scan_params = ¶ms;
scan:
/* if SNR is close, decide by max rate or frequency band */
if (snr_a && snr_b && abs(snr_b - snr_a) < 7) {
if (wa->est_throughput != wb->est_throughput)
- return wb->est_throughput - wa->est_throughput;
+ return (int) wb->est_throughput -
+ (int) wa->est_throughput;
}
if ((snr_a && snr_b && abs(snr_b - snr_a) < 5) ||
(wa->qual && wb->qual && abs(wb->qual - wa->qual) < 10)) {
params->low_priority = src->low_priority;
params->duration = src->duration;
params->duration_mandatory = src->duration_mandatory;
+ params->oce_scan = src->oce_scan;
if (src->sched_scan_plans_num > 0) {
params->sched_scan_plans =
{
u8 *tmp = NULL;
+ if ((wpa_s->mac_addr_rand_supported & type) != type ) {
+ wpa_printf(MSG_INFO,
+ "scan: MAC randomization type %u != supported=%u",
+ type, wpa_s->mac_addr_rand_supported);
+ return -1;
+ }
+
wpas_mac_addr_rand_scan_clear(wpa_s, type);
if (addr) {
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