int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid,
struct wpa_scan_res *bss)
{
struct wpabuf *wps_ie = NULL;
int ret = 0;
if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
if (wps_ie && wps_is_selected_pbc_registrar(wps_ie)) {
/* allow wildcard SSID for WPS PBC */
ret = 1;
}
} else if (eap_is_wps_pin_enrollee(&ssid->eap)) {
wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
if (wps_ie &&
(wps_is_selected_pin_registrar(wps_ie) ||
wpa_s->scan_runs >= WPS_PIN_SCAN_IGNORE_SEL_REG)) {
/* allow wildcard SSID for WPS PIN */
ret = 1;
}
}
if (!ret && ssid->bssid_set &&
os_memcmp(ssid->bssid, bss->bssid, ETH_ALEN) == 0) {
/* allow wildcard SSID due to hardcoded BSSID match */
ret = 1;
}
wpabuf_free(wps_ie);
return ret;
}
void wpas_wps_notify_scan_results(struct wpa_supplicant *wpa_s)
{
struct wpa_bss *bss;
if (wpa_s->disconnected || wpa_s->wpa_state >= WPA_ASSOCIATED)
return;
dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
struct wpabuf *ie;
ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
if (!ie)
continue;
if (wps_is_selected_pbc_registrar(ie))
wpa_msg_ctrl(wpa_s, MSG_INFO,
WPS_EVENT_AP_AVAILABLE_PBC);
else if (wps_is_selected_pin_registrar(ie))
wpa_msg_ctrl(wpa_s, MSG_INFO,
WPS_EVENT_AP_AVAILABLE_PIN);
else
wpa_msg_ctrl(wpa_s, MSG_INFO,
WPS_EVENT_AP_AVAILABLE);
wpabuf_free(ie);
break;
}
}
void wpas_wps_notify_scan_results(struct wpa_supplicant *wpa_s)
{
struct wpa_bss *bss;
unsigned int pbc = 0, auth = 0, pin = 0, wps = 0;
if (wpa_s->disconnected || wpa_s->wpa_state >= WPA_ASSOCIATED)
return;
dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
struct wpabuf *ie;
ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
if (!ie)
continue;
if (wps_is_selected_pbc_registrar(ie))
pbc++;
else if (wps_is_addr_authorized(ie, wpa_s->own_addr, 0))
auth++;
else if (wps_is_selected_pin_registrar(ie))
pin++;
else
wps++;
wpabuf_free(ie);
}
if (pbc)
wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PBC);
else if (auth)
wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_AUTH);
else if (pin)
wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PIN);
else if (wps)
wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE);
}
static char * wpa_supplicant_wps_ie_txt(char *pos, char *end,
const struct wpa_scan_res *res)
{
#ifdef CONFIG_WPS
struct wpabuf *wps_ie;
int ret;
const char *txt;
wps_ie = wpa_scan_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE);
if (wps_ie == NULL)
return pos;
if (wps_is_selected_pbc_registrar(wps_ie))
txt = "[WPS-PBC]";
else if (wps_is_selected_pin_registrar(wps_ie))
txt = "[WPS-PIN]";
else
txt = "[WPS]";
ret = os_snprintf(pos, end - pos, "%s", txt);
if (ret >= 0 && ret < end - pos)
pos += ret;
wpabuf_free(wps_ie);
#endif /* CONFIG_WPS */
return pos;
}
void wpas_wps_notify_scan_results(struct wpa_supplicant *wpa_s)
{
size_t i;
if (wpa_s->disconnected || wpa_s->wpa_state >= WPA_ASSOCIATED)
return;
for (i = 0; i < wpa_s->scan_res->num; i++) {
struct wpa_scan_res *bss = wpa_s->scan_res->res[i];
struct wpabuf *ie;
ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
if (!ie)
continue;
if (wps_is_selected_pbc_registrar(ie))
wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PBC);
else if (wps_is_selected_pin_registrar(ie))
wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PIN);
else
wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE);
wpabuf_free(ie);
break;
}
}
int wpas_wps_ssid_bss_match(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid, struct wpa_scan_res *bss)
{
struct wpabuf *wps_ie;
if (!(ssid->key_mgmt & WPA_KEY_MGMT_WPS))
return -1;
wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
if (!wps_ie) {
wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
return 0;
}
if (!wps_is_selected_pbc_registrar(wps_ie)) {
wpa_printf(MSG_DEBUG, " skip - WPS AP "
"without active PBC Registrar");
wpabuf_free(wps_ie);
return 0;
}
/* TODO: overlap detection */
wpa_printf(MSG_DEBUG, " selected based on WPS IE "
"(Active PBC)");
wpabuf_free(wps_ie);
return 1;
}
if (eap_is_wps_pin_enrollee(&ssid->eap)) {
if (!wps_ie) {
wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
return 0;
}
/*
* Start with WPS APs that advertise active PIN Registrar and
* allow any WPS AP after third scan since some APs do not set
* Selected Registrar attribute properly when using external
* Registrar.
*/
if (!wps_is_selected_pin_registrar(wps_ie)) {
if (wpa_s->scan_runs < WPS_PIN_SCAN_IGNORE_SEL_REG) {
wpa_printf(MSG_DEBUG, " skip - WPS AP "
"without active PIN Registrar");
wpabuf_free(wps_ie);
return 0;
}
wpa_printf(MSG_DEBUG, " selected based on WPS IE");
} else {
wpa_printf(MSG_DEBUG, " selected based on WPS IE "
"(Active PIN)");
}
wpabuf_free(wps_ie);
return 1;
}
if (wps_ie) {
wpa_printf(MSG_DEBUG, " selected based on WPS IE");
wpabuf_free(wps_ie);
return 1;
}
return -1;
}