WPS: Add virtual flags in Config Methods for WPS 2.0 if needed

[libeap.git] / wpa_supplicant / wps_supplicant.c

diff --git a/wpa_supplicant/wps_supplicant.c b/wpa_supplicant/wps_supplicant.c
index 3d9836b..af8c4c4 100644 (file)
--- a/wpa_supplicant/wps_supplicant.c
+++ b/wpa_supplicant/wps_supplicant.c
@@ -32,6 +32,7 @@
 #include "blacklist.h"
 #include "bss.h"
 #include "scan.h"
+#include "ap.h"
 #include "p2p/p2p.h"
 #include "p2p_supplicant.h"
 #include "wps_supplicant.h"
@@ -390,7 +391,12 @@ static void wpa_supplicant_wps_event_m2d(struct wpa_supplicant *wpa_s,
 static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s,
                                          struct wps_event_fail *fail)
 {
-       wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_FAIL "msg=%d", fail->msg);
+       wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_FAIL "msg=%d config_error=%d",
+               fail->msg, fail->config_error);
+       if (wpa_s->parent && wpa_s->parent != wpa_s)
+               wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
+                       "msg=%d config_error=%d",
+                       fail->msg, fail->config_error);
        wpas_clear_wps(wpa_s);
        wpas_notify_wps_event_fail(wpa_s, fail);
 }
@@ -757,6 +763,32 @@ int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
 }
 
 
+/* Cancel the wps pbc/pin requests */
+int wpas_wps_cancel(struct wpa_supplicant *wpa_s)
+{
+#ifdef CONFIG_AP
+       if (wpa_s->ap_iface) {
+               wpa_printf(MSG_DEBUG, "WPS: Cancelling in AP mode");
+               return wpa_supplicant_ap_wps_cancel(wpa_s);
+       }
+#endif /* CONFIG_AP */
+
+       if (wpa_s->wpa_state == WPA_SCANNING) {
+               wpa_printf(MSG_DEBUG, "WPS: Cancel operation - cancel scan");
+               wpa_supplicant_cancel_scan(wpa_s);
+               wpas_clear_wps(wpa_s);
+       } else if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
+               wpa_printf(MSG_DEBUG, "WPS: Cancel operation - "
+                          "deauthenticate");
+               wpa_supplicant_deauthenticate(wpa_s,
+                                             WLAN_REASON_DEAUTH_LEAVING);
+               wpas_clear_wps(wpa_s);
+       }
+
+       return 0;
+}
+
+
 #ifdef CONFIG_WPS_OOB
 int wpas_wps_start_oob(struct wpa_supplicant *wpa_s, char *device_type,
                       char *path, char *method, char *name)
@@ -799,7 +831,8 @@ int wpas_wps_start_oob(struct wpa_supplicant *wpa_s, char *device_type,
        if ((wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E ||
             wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_R) &&
            wpas_wps_start_pin(wpa_s, NULL,
-                              wpabuf_head(wps->oob_conf.dev_password), 0) < 0)
+                              wpabuf_head(wps->oob_conf.dev_password), 0,
+                              DEV_PW_DEFAULT) < 0)
                        return -1;
 
        return 0;
@@ -901,6 +934,29 @@ static void wpas_wps_set_sel_reg_cb(void *ctx, int sel_reg, u16 dev_passwd_id,
 }
 
 
+static u16 wps_fix_config_methods(u16 config_methods)
+{
+#ifdef CONFIG_WPS2
+       if ((config_methods &
+            (WPS_CONFIG_DISPLAY | WPS_CONFIG_VIRT_DISPLAY |
+             WPS_CONFIG_PHY_DISPLAY)) == WPS_CONFIG_DISPLAY) {
+               wpa_printf(MSG_INFO, "WPS: Converting display to "
+                          "virtual_display for WPS 2.0 compliance");
+               config_methods |= WPS_CONFIG_VIRT_DISPLAY;
+       }
+       if ((config_methods &
+            (WPS_CONFIG_PUSHBUTTON | WPS_CONFIG_VIRT_PUSHBUTTON |
+             WPS_CONFIG_PHY_PUSHBUTTON)) == WPS_CONFIG_PUSHBUTTON) {
+               wpa_printf(MSG_INFO, "WPS: Converting push_button to "
+                          "virtual_push_button for WPS 2.0 compliance");
+               config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON;
+       }
+#endif /* CONFIG_WPS2 */
+
+       return config_methods;
+}
+
+
 int wpas_wps_init(struct wpa_supplicant *wpa_s)
 {
        struct wps_context *wps;
@@ -928,6 +984,7 @@ int wpas_wps_init(struct wpa_supplicant *wpa_s)
                os_free(wps);
                return -1;
        }
+       wps->config_methods = wps_fix_config_methods(wps->config_methods);
        if (wpa_s->conf->device_type &&
            wps_dev_type_str2bin(wpa_s->conf->device_type,
                                 wps->dev.pri_dev_type) < 0) {
@@ -1090,7 +1147,7 @@ int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant *wpa_s,
 #ifdef CONFIG_WPS_STRICT
        if (wps_ie) {
                if (wps_validate_beacon_probe_resp(wps_ie, bss->beacon_ie_len >
-                                                  0) < 0)
+                                                  0, bss->bssid) < 0)
                        ret = 0;
                if (bss->beacon_ie_len) {
                        struct wpabuf *bcn_wps;
@@ -1126,12 +1183,21 @@ int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s,
        if (!eap_is_wps_pbc_enrollee(&ssid->eap))
                return 0;
 
+       wpa_printf(MSG_DEBUG, "WPS: Check whether PBC session overlap is "
+                  "present in scan results; selected BSSID " MACSTR,
+                  MAC2STR(selected->bssid));
+
        /* Make sure that only one AP is in active PBC mode */
        wps_ie = wpa_bss_get_vendor_ie_multi(selected, WPS_IE_VENDOR_TYPE);
-       if (wps_ie)
+       if (wps_ie) {
                sel_uuid = wps_get_uuid_e(wps_ie);
-       else
+               wpa_hexdump(MSG_DEBUG, "WPS: UUID of the selected BSS",
+                           sel_uuid, UUID_LEN);
+       } else {
+               wpa_printf(MSG_DEBUG, "WPS: Selected BSS does not include "
+                          "WPS IE?!");
                sel_uuid = NULL;
+       }
 
        dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
                struct wpabuf *ie;
@@ -1144,10 +1210,18 @@ int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s,
                        wpabuf_free(ie);
                        continue;
                }
+               wpa_printf(MSG_DEBUG, "WPS: Another BSS in active PBC mode: "
+                          MACSTR, MAC2STR(bss->bssid));
                uuid = wps_get_uuid_e(ie);
+               wpa_hexdump(MSG_DEBUG, "WPS: UUID of the other BSS",
+                           uuid, UUID_LEN);
                if (sel_uuid == NULL || uuid == NULL ||
-                   os_memcmp(sel_uuid, uuid, 16) != 0) {
+                   os_memcmp(sel_uuid, uuid, UUID_LEN) != 0) {
                        ret = 1; /* PBC overlap */
+                       wpa_msg(wpa_s, MSG_INFO, "WPS: PBC overlap detected: "
+                               MACSTR " and " MACSTR,
+                               MAC2STR(selected->bssid),
+                               MAC2STR(bss->bssid));
                        wpabuf_free(ie);
                        break;
                }
@@ -1392,6 +1466,7 @@ void wpas_wps_update_config(struct wpa_supplicant *wpa_s)
                        wps->config_methods &= ~WPS_CONFIG_LABEL;
                }
        }
+       wps->config_methods = wps_fix_config_methods(wps->config_methods);
 
        if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE) {
                if (wpa_s->conf->device_type &&