P2P NFC: Optimize join-a-group operation based on NFC information
[mech_eap.git] / wpa_supplicant / wps_supplicant.c
index 711c3c0..1f6dd92 100644 (file)
@@ -1,6 +1,6 @@
 /*
  * wpa_supplicant / WPS integration
- * Copyright (c) 2008-2012, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2008-2014, Jouni Malinen <j@w1.fi>
  *
  * This software may be distributed under the terms of the BSD license.
  * See README for more details.
@@ -54,6 +54,11 @@ static void wpas_wps_clear_ap_info(struct wpa_supplicant *wpa_s)
 
 int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s)
 {
+#ifdef CONFIG_P2P
+       if (wpas_p2p_wps_eapol_cb(wpa_s) > 0)
+               return 1;
+#endif /* CONFIG_P2P */
+
        if (!wpa_s->wps_success &&
            wpa_s->current_ssid &&
            eap_is_wps_pin_enrollee(&wpa_s->current_ssid->eap)) {
@@ -84,6 +89,10 @@ int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s)
            !(wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
                int disabled = wpa_s->current_ssid->disabled;
                unsigned int freq = wpa_s->assoc_freq;
+               struct wpa_bss *bss;
+               struct wpa_ssid *ssid = NULL;
+               int use_fast_assoc = 0;
+
                wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - "
                           "try to associate with the received credential "
                           "(freq=%u)", freq);
@@ -98,7 +107,26 @@ int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s)
                wpa_s->wps_freq = freq;
                wpa_s->normal_scans = 0;
                wpa_s->reassociate = 1;
-               wpa_supplicant_req_scan(wpa_s, 0, 0);
+
+               wpa_printf(MSG_DEBUG, "WPS: Checking whether fast association "
+                          "without a new scan can be used");
+               bss = wpa_supplicant_pick_network(wpa_s, &ssid);
+               if (bss) {
+                       struct wpabuf *wps;
+                       struct wps_parse_attr attr;
+
+                       wps = wpa_bss_get_vendor_ie_multi(bss,
+                                                         WPS_IE_VENDOR_TYPE);
+                       if (wps && wps_parse_msg(wps, &attr) == 0 &&
+                           attr.wps_state &&
+                           *attr.wps_state == WPS_STATE_CONFIGURED)
+                               use_fast_assoc = 1;
+                       wpabuf_free(wps);
+               }
+
+               if (!use_fast_assoc ||
+                   wpa_supplicant_fast_associate(wpa_s) != 1)
+                       wpa_supplicant_req_scan(wpa_s, 0, 0);
                return 1;
        }
 
@@ -196,6 +224,55 @@ static void wpas_wps_security_workaround(struct wpa_supplicant *wpa_s,
 }
 
 
+static void wpas_wps_remove_dup_network(struct wpa_supplicant *wpa_s,
+                                       struct wpa_ssid *new_ssid)
+{
+       struct wpa_ssid *ssid, *next;
+
+       for (ssid = wpa_s->conf->ssid, next = ssid ? ssid->next : NULL; ssid;
+            ssid = next, next = ssid ? ssid->next : NULL) {
+               /*
+                * new_ssid has already been added to the list in
+                * wpas_wps_add_network(), so skip it.
+                */
+               if (ssid == new_ssid)
+                       continue;
+
+               if (ssid->bssid_set || new_ssid->bssid_set) {
+                       if (ssid->bssid_set != new_ssid->bssid_set)
+                               continue;
+                       if (os_memcmp(ssid->bssid, new_ssid->bssid, ETH_ALEN) !=
+                           0)
+                               continue;
+               }
+
+               /* compare SSID */
+               if (ssid->ssid_len == 0 || ssid->ssid_len != new_ssid->ssid_len)
+                       continue;
+
+               if (ssid->ssid && new_ssid->ssid) {
+                       if (os_memcmp(ssid->ssid, new_ssid->ssid,
+                                     ssid->ssid_len) != 0)
+                               continue;
+               } else if (ssid->ssid || new_ssid->ssid)
+                       continue;
+
+               /* compare security parameters */
+               if (ssid->auth_alg != new_ssid->auth_alg ||
+                   ssid->key_mgmt != new_ssid->key_mgmt ||
+                   ssid->proto != new_ssid->proto ||
+                   ssid->pairwise_cipher != new_ssid->pairwise_cipher ||
+                   ssid->group_cipher != new_ssid->group_cipher)
+                       continue;
+
+               /* Remove the duplicated older network entry. */
+               wpa_printf(MSG_DEBUG, "Remove duplicate network %d", ssid->id);
+               wpas_notify_network_removed(wpa_s, ssid);
+               wpa_config_remove_network(wpa_s->conf, ssid->id);
+       }
+}
+
+
 static int wpa_supplicant_wps_cred(void *ctx,
                                   const struct wps_credential *cred)
 {
@@ -415,6 +492,8 @@ static int wpa_supplicant_wps_cred(void *ctx,
        if (cred->ap_channel)
                wpa_s->wps_ap_channel = cred->ap_channel;
 
+       wpas_wps_remove_dup_network(wpa_s, ssid);
+
 #ifndef CONFIG_NO_CONFIG_WRITE
        if (wpa_s->conf->update_config &&
            wpa_config_write(wpa_s->confname, wpa_s->conf)) {
@@ -468,11 +547,13 @@ static void wpa_supplicant_wps_event_m2d(struct wpa_supplicant *wpa_s,
 }
 
 
-static const char * wps_event_fail_reason[NUM_WPS_EI_VALUES] = {
-       "No Error", /* WPS_EI_NO_ERROR */
-       "TKIP Only Prohibited", /* WPS_EI_SECURITY_TKIP_ONLY_PROHIBITED */
-       "WEP Prohibited" /* WPS_EI_SECURITY_WEP_PROHIBITED */
-};
+static void wpas_wps_clear_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+       struct wpa_supplicant *wpa_s = eloop_ctx;
+       wpa_printf(MSG_DEBUG, "WPS: Clear WPS network from timeout");
+       wpas_clear_wps(wpa_s);
+}
+
 
 static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s,
                                          struct wps_event_fail *fail)
@@ -482,13 +563,13 @@ static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s,
                wpa_msg(wpa_s, MSG_INFO,
                        WPS_EVENT_FAIL "msg=%d config_error=%d reason=%d (%s)",
                        fail->msg, fail->config_error, fail->error_indication,
-                       wps_event_fail_reason[fail->error_indication]);
+                       wps_ei_str(fail->error_indication));
                if (wpa_s->parent && wpa_s->parent != wpa_s)
                        wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
                                "msg=%d config_error=%d reason=%d (%s)",
                                fail->msg, fail->config_error,
                                fail->error_indication,
-                               wps_event_fail_reason[fail->error_indication]);
+                               wps_ei_str(fail->error_indication));
        } else {
                wpa_msg(wpa_s, MSG_INFO,
                        WPS_EVENT_FAIL "msg=%d config_error=%d",
@@ -498,7 +579,14 @@ static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s,
                                "msg=%d config_error=%d",
                                fail->msg, fail->config_error);
        }
-       wpas_clear_wps(wpa_s);
+
+       /*
+        * Need to allow WPS processing to complete, e.g., by sending WSC_NACK.
+        */
+       wpa_printf(MSG_DEBUG, "WPS: Register timeout to clear WPS network");
+       eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL);
+       eloop_register_timeout(0, 100000, wpas_wps_clear_timeout, wpa_s, NULL);
+
        wpas_notify_wps_event_fail(wpa_s, fail);
 #ifdef CONFIG_P2P
        wpas_p2p_wps_failed(wpa_s, fail);
@@ -549,6 +637,9 @@ static void wpa_supplicant_wps_event_success(struct wpa_supplicant *wpa_s)
        wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_SUCCESS);
        wpa_s->wps_success = 1;
        wpas_notify_wps_event_success(wpa_s);
+       if (wpa_s->current_ssid)
+               wpas_clear_temp_disabled(wpa_s, wpa_s->current_ssid, 1);
+       wpa_s->extra_blacklist_count = 0;
 
        /*
         * Enable the networks disabled during wpas_wps_reassoc after 10
@@ -711,6 +802,12 @@ static void wpa_supplicant_wps_event(void *ctx, enum wps_event event,
                break;
        case WPS_EV_PBC_TIMEOUT:
                break;
+       case WPS_EV_PBC_ACTIVE:
+               wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ACTIVE);
+               break;
+       case WPS_EV_PBC_DISABLE:
+               wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_DISABLE);
+               break;
        case WPS_EV_ER_AP_ADD:
                wpa_supplicant_wps_event_er_ap_add(wpa_s, &data->ap);
                break;
@@ -739,6 +836,17 @@ static void wpa_supplicant_wps_event(void *ctx, enum wps_event event,
 }
 
 
+static int wpa_supplicant_wps_rf_band(void *ctx)
+{
+       struct wpa_supplicant *wpa_s = ctx;
+
+       if (!wpa_s->current_ssid || !wpa_s->assoc_freq)
+               return 0;
+
+       return (wpa_s->assoc_freq > 2484) ? WPS_RF_50GHZ : WPS_RF_24GHZ;
+}
+
+
 enum wps_request_type wpas_wps_get_req_type(struct wpa_ssid *ssid)
 {
        if (eap_is_wps_pbc_enrollee(&ssid->eap) ||
@@ -754,21 +862,24 @@ static void wpas_clear_wps(struct wpa_supplicant *wpa_s)
        int id;
        struct wpa_ssid *ssid, *remove_ssid = NULL, *prev_current;
 
+       wpa_s->after_wps = 0;
+       wpa_s->known_wps_freq = 0;
+
        prev_current = wpa_s->current_ssid;
 
        /* Enable the networks disabled during wpas_wps_reassoc */
        wpas_wps_reenable_networks(wpa_s);
 
        eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
+       eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL);
 
        /* Remove any existing WPS network from configuration */
        ssid = wpa_s->conf->ssid;
        while (ssid) {
                if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
                        if (ssid == wpa_s->current_ssid) {
-                               wpa_s->current_ssid = NULL;
-                               if (ssid != NULL)
-                                       wpas_notify_network_changed(wpa_s);
+                               wpa_supplicant_deauthenticate(
+                                       wpa_s, WLAN_REASON_DEAUTH_LEAVING);
                        }
                        id = ssid->id;
                        remove_ssid = ssid;
@@ -800,7 +911,8 @@ static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx)
 
 
 static struct wpa_ssid * wpas_wps_add_network(struct wpa_supplicant *wpa_s,
-                                             int registrar, const u8 *bssid)
+                                             int registrar, const u8 *dev_addr,
+                                             const u8 *bssid)
 {
        struct wpa_ssid *ssid;
 
@@ -820,6 +932,11 @@ static struct wpa_ssid * wpas_wps_add_network(struct wpa_supplicant *wpa_s,
                return NULL;
        }
 
+#ifdef CONFIG_P2P
+       if (dev_addr)
+               os_memcpy(ssid->go_p2p_dev_addr, dev_addr, ETH_ALEN);
+#endif /* CONFIG_P2P */
+
        if (bssid) {
 #ifndef CONFIG_P2P
                struct wpa_bss *bss;
@@ -865,20 +982,10 @@ static struct wpa_ssid * wpas_wps_add_network(struct wpa_supplicant *wpa_s,
 }
 
 
-static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s,
-                            struct wpa_ssid *selected, const u8 *bssid)
+static void wpas_wps_temp_disable(struct wpa_supplicant *wpa_s,
+                                 struct wpa_ssid *selected)
 {
        struct wpa_ssid *ssid;
-       struct wpa_bss *bss;
-
-       wpa_s->known_wps_freq = 0;
-       if (bssid) {
-               bss = wpa_bss_get_bssid(wpa_s, bssid);
-               if (bss && bss->freq > 0) {
-                       wpa_s->known_wps_freq = 1;
-                       wpa_s->wps_freq = bss->freq;
-               }
-       }
 
        if (wpa_s->current_ssid)
                wpa_supplicant_deauthenticate(
@@ -906,12 +1013,34 @@ static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s,
                }
                ssid = ssid->next;
        }
+}
+
+
+static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s,
+                            struct wpa_ssid *selected, const u8 *bssid)
+{
+       struct wpa_bss *bss;
+
+       wpa_s->after_wps = 0;
+       wpa_s->known_wps_freq = 0;
+       if (bssid) {
+               bss = wpa_bss_get_bssid_latest(wpa_s, bssid);
+               if (bss && bss->freq > 0) {
+                       wpa_s->known_wps_freq = 1;
+                       wpa_s->wps_freq = bss->freq;
+               }
+       }
+
+       wpas_wps_temp_disable(wpa_s, selected);
+
        wpa_s->disconnected = 0;
        wpa_s->reassociate = 1;
        wpa_s->scan_runs = 0;
        wpa_s->normal_scans = 0;
        wpa_s->wps_success = 0;
        wpa_s->blacklist_cleared = 0;
+
+       wpa_supplicant_cancel_sched_scan(wpa_s);
        wpa_supplicant_req_scan(wpa_s, 0, 0);
 }
 
@@ -921,7 +1050,7 @@ int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
 {
        struct wpa_ssid *ssid;
        wpas_clear_wps(wpa_s);
-       ssid = wpas_wps_add_network(wpa_s, 0, bssid);
+       ssid = wpas_wps_add_network(wpa_s, 0, NULL, bssid);
        if (ssid == NULL)
                return -1;
        ssid->temporary = 1;
@@ -949,19 +1078,42 @@ int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
 }
 
 
-int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
-                      const char *pin, int p2p_group, u16 dev_pw_id)
+static int wpas_wps_start_dev_pw(struct wpa_supplicant *wpa_s,
+                                const u8 *dev_addr, const u8 *bssid,
+                                const char *pin, int p2p_group, u16 dev_pw_id,
+                                const u8 *peer_pubkey_hash,
+                                const u8 *ssid_val, size_t ssid_len)
 {
        struct wpa_ssid *ssid;
-       char val[128];
+       char val[128 + 2 * WPS_OOB_PUBKEY_HASH_LEN];
        unsigned int rpin = 0;
+       char hash[2 * WPS_OOB_PUBKEY_HASH_LEN + 10];
 
        wpas_clear_wps(wpa_s);
-       ssid = wpas_wps_add_network(wpa_s, 0, bssid);
-       if (ssid == NULL)
+       if (bssid && is_zero_ether_addr(bssid))
+               bssid = NULL;
+       ssid = wpas_wps_add_network(wpa_s, 0, dev_addr, bssid);
+       if (ssid == NULL) {
+               wpa_printf(MSG_DEBUG, "WPS: Could not add network");
                return -1;
+       }
        ssid->temporary = 1;
        ssid->p2p_group = p2p_group;
+       if (ssid_val) {
+               ssid->ssid = os_malloc(ssid_len);
+               if (ssid->ssid) {
+                       os_memcpy(ssid->ssid, ssid_val, ssid_len);
+                       ssid->ssid_len = ssid_len;
+               }
+       }
+       if (peer_pubkey_hash) {
+               os_memcpy(hash, " pkhash=", 8);
+               wpa_snprintf_hex_uppercase(hash + 8, sizeof(hash) - 8,
+                                          peer_pubkey_hash,
+                                          WPS_OOB_PUBKEY_HASH_LEN);
+       } else {
+               hash[0] = '\0';
+       }
 #ifdef CONFIG_P2P
        if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) {
                ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1);
@@ -975,15 +1127,20 @@ int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
        }
 #endif /* CONFIG_P2P */
        if (pin)
-               os_snprintf(val, sizeof(val), "\"pin=%s dev_pw_id=%u\"",
-                           pin, dev_pw_id);
-       else {
+               os_snprintf(val, sizeof(val), "\"pin=%s dev_pw_id=%u%s\"",
+                           pin, dev_pw_id, hash);
+       else if (pin == NULL && dev_pw_id == DEV_PW_NFC_CONNECTION_HANDOVER) {
+               os_snprintf(val, sizeof(val), "\"dev_pw_id=%u%s\"",
+                           dev_pw_id, hash);
+       } else {
                rpin = wps_generate_pin();
-               os_snprintf(val, sizeof(val), "\"pin=%08d dev_pw_id=%u\"",
-                           rpin, dev_pw_id);
+               os_snprintf(val, sizeof(val), "\"pin=%08d dev_pw_id=%u%s\"",
+                           rpin, dev_pw_id, hash);
        }
-       if (wpa_config_set(ssid, "phase1", val, 0) < 0)
+       if (wpa_config_set(ssid, "phase1", val, 0) < 0) {
+               wpa_printf(MSG_DEBUG, "WPS: Failed to set phase1 '%s'", val);
                return -1;
+       }
        if (wpa_s->wps_fragment_size)
                ssid->eap.fragment_size = wpa_s->wps_fragment_size;
        eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
@@ -994,6 +1151,14 @@ int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
 }
 
 
+int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
+                      const char *pin, int p2p_group, u16 dev_pw_id)
+{
+       return wpas_wps_start_dev_pw(wpa_s, NULL, bssid, pin, p2p_group,
+                                    dev_pw_id, NULL, NULL, 0);
+}
+
+
 /* Cancel the wps pbc/pin requests */
 int wpas_wps_cancel(struct wpa_supplicant *wpa_s)
 {
@@ -1018,8 +1183,13 @@ int wpas_wps_cancel(struct wpa_supplicant *wpa_s)
        } else {
                wpas_wps_reenable_networks(wpa_s);
                wpas_wps_clear_ap_info(wpa_s);
+               if (eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL) >
+                   0)
+                       wpas_clear_wps(wpa_s);
        }
 
+       wpa_s->after_wps = 0;
+
        return 0;
 }
 
@@ -1035,7 +1205,7 @@ int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid,
        if (!pin)
                return -1;
        wpas_clear_wps(wpa_s);
-       ssid = wpas_wps_add_network(wpa_s, 1, bssid);
+       ssid = wpas_wps_add_network(wpa_s, 1, NULL, bssid);
        if (ssid == NULL)
                return -1;
        ssid->temporary = 1;
@@ -1068,11 +1238,20 @@ int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid,
 }
 
 
-static int wpas_wps_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *psk,
+static int wpas_wps_new_psk_cb(void *ctx, const u8 *mac_addr,
+                              const u8 *p2p_dev_addr, const u8 *psk,
                               size_t psk_len)
 {
-       wpa_printf(MSG_DEBUG, "WPS: Received new WPA/WPA2-PSK from WPS for "
-                  "STA " MACSTR, MAC2STR(mac_addr));
+       if (is_zero_ether_addr(p2p_dev_addr)) {
+               wpa_printf(MSG_DEBUG,
+                          "Received new WPA/WPA2-PSK from WPS for STA " MACSTR,
+                          MAC2STR(mac_addr));
+       } else {
+               wpa_printf(MSG_DEBUG,
+                          "Received new WPA/WPA2-PSK from WPS for STA " MACSTR
+                          " P2P Device Addr " MACSTR,
+                          MAC2STR(mac_addr), MAC2STR(p2p_dev_addr));
+       }
        wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len);
 
        /* TODO */
@@ -1145,7 +1324,9 @@ static u16 wps_fix_config_methods(u16 config_methods)
 static void wpas_wps_set_uuid(struct wpa_supplicant *wpa_s,
                              struct wps_context *wps)
 {
-       wpa_printf(MSG_DEBUG, "WPS: Set UUID for interface %s", wpa_s->ifname);
+       char buf[50];
+       const char *src;
+
        if (is_nil_uuid(wpa_s->conf->uuid)) {
                struct wpa_supplicant *first;
                first = wpa_s->global->ifaces;
@@ -1156,18 +1337,18 @@ static void wpas_wps_set_uuid(struct wpa_supplicant *wpa_s,
                                os_memcpy(wps->uuid,
                                          wpa_s->global->ifaces->wps->uuid,
                                          WPS_UUID_LEN);
-                       wpa_hexdump(MSG_DEBUG, "WPS: UUID from the first "
-                                   "interface", wps->uuid, WPS_UUID_LEN);
+                       src = "from the first interface";
                } else {
                        uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid);
-                       wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC "
-                                   "address", wps->uuid, WPS_UUID_LEN);
+                       src = "based on MAC address";
                }
        } else {
                os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
-               wpa_hexdump(MSG_DEBUG, "WPS: UUID based on configuration",
-                           wps->uuid, WPS_UUID_LEN);
+               src = "based on configuration";
        }
+
+       uuid_bin2str(wps->uuid, buf, sizeof(buf));
+       wpa_dbg(wpa_s, MSG_DEBUG, "WPS: UUID %s: %s", src, buf);
 }
 
 
@@ -1201,6 +1382,7 @@ int wpas_wps_init(struct wpa_supplicant *wpa_s)
 
        wps->cred_cb = wpa_supplicant_wps_cred;
        wps->event_cb = wpa_supplicant_wps_event;
+       wps->rf_band_cb = wpa_supplicant_wps_rf_band;
        wps->cb_ctx = wpa_s;
 
        wps->dev.device_name = wpa_s->conf->device_name;
@@ -1271,9 +1453,24 @@ int wpas_wps_init(struct wpa_supplicant *wpa_s)
 }
 
 
+#ifdef CONFIG_WPS_ER
+static void wpas_wps_nfc_clear(struct wps_context *wps)
+{
+       wps->ap_nfc_dev_pw_id = 0;
+       wpabuf_free(wps->ap_nfc_dh_pubkey);
+       wps->ap_nfc_dh_pubkey = NULL;
+       wpabuf_free(wps->ap_nfc_dh_privkey);
+       wps->ap_nfc_dh_privkey = NULL;
+       wpabuf_free(wps->ap_nfc_dev_pw);
+       wps->ap_nfc_dev_pw = NULL;
+}
+#endif /* CONFIG_WPS_ER */
+
+
 void wpas_wps_deinit(struct wpa_supplicant *wpa_s)
 {
        eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
+       eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL);
        eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL);
        wpas_wps_clear_ap_info(wpa_s);
 
@@ -1283,6 +1480,7 @@ void wpas_wps_deinit(struct wpa_supplicant *wpa_s)
 #ifdef CONFIG_WPS_ER
        wps_er_deinit(wpa_s->wps_er, NULL, NULL);
        wpa_s->wps_er = NULL;
+       wpas_wps_nfc_clear(wpa_s->wps);
 #endif /* CONFIG_WPS_ER */
 
        wps_registrar_deinit(wpa_s->wps->registrar);
@@ -1581,91 +1779,128 @@ int wpas_wps_er_add_pin(struct wpa_supplicant *wpa_s, const u8 *addr,
                        const char *uuid, const char *pin)
 {
        u8 u[UUID_LEN];
-       int any = 0;
-
-       if (os_strcmp(uuid, "any") == 0)
-               any = 1;
-       else if (uuid_str2bin(uuid, u))
+       const u8 *use_uuid = NULL;
+       u8 addr_buf[ETH_ALEN];
+
+       if (os_strcmp(uuid, "any") == 0) {
+       } else if (uuid_str2bin(uuid, u) == 0) {
+               use_uuid = u;
+       } else if (hwaddr_aton(uuid, addr_buf) == 0) {
+               use_uuid = wps_er_get_sta_uuid(wpa_s->wps_er, addr_buf);
+               if (use_uuid == NULL)
+                       return -1;
+       } else
                return -1;
        return wps_registrar_add_pin(wpa_s->wps->registrar, addr,
-                                    any ? NULL : u,
+                                    use_uuid,
                                     (const u8 *) pin, os_strlen(pin), 300);
 }
 
 
 int wpas_wps_er_pbc(struct wpa_supplicant *wpa_s, const char *uuid)
 {
-       u8 u[UUID_LEN];
+       u8 u[UUID_LEN], *use_uuid = NULL;
+       u8 addr[ETH_ALEN], *use_addr = NULL;
 
-       if (uuid_str2bin(uuid, u))
+       if (uuid_str2bin(uuid, u) == 0)
+               use_uuid = u;
+       else if (hwaddr_aton(uuid, addr) == 0)
+               use_addr = addr;
+       else
                return -1;
-       return wps_er_pbc(wpa_s->wps_er, u);
+       return wps_er_pbc(wpa_s->wps_er, use_uuid, use_addr);
 }
 
 
 int wpas_wps_er_learn(struct wpa_supplicant *wpa_s, const char *uuid,
                      const char *pin)
 {
-       u8 u[UUID_LEN];
+       u8 u[UUID_LEN], *use_uuid = NULL;
+       u8 addr[ETH_ALEN], *use_addr = NULL;
 
-       if (uuid_str2bin(uuid, u))
+       if (uuid_str2bin(uuid, u) == 0)
+               use_uuid = u;
+       else if (hwaddr_aton(uuid, addr) == 0)
+               use_addr = addr;
+       else
                return -1;
-       return wps_er_learn(wpa_s->wps_er, u, (const u8 *) pin,
+
+       return wps_er_learn(wpa_s->wps_er, use_uuid, use_addr, (const u8 *) pin,
                            os_strlen(pin));
 }
 
 
-int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid,
-                          int id)
+static int wpas_wps_network_to_cred(struct wpa_ssid *ssid,
+                                   struct wps_credential *cred)
 {
-       u8 u[UUID_LEN];
-       struct wpa_ssid *ssid;
-       struct wps_credential cred;
-
-       if (uuid_str2bin(uuid, u))
-               return -1;
-       ssid = wpa_config_get_network(wpa_s->conf, id);
-       if (ssid == NULL || ssid->ssid == NULL)
-               return -1;
-
-       os_memset(&cred, 0, sizeof(cred));
+       os_memset(cred, 0, sizeof(*cred));
        if (ssid->ssid_len > 32)
                return -1;
-       os_memcpy(cred.ssid, ssid->ssid, ssid->ssid_len);
-       cred.ssid_len = ssid->ssid_len;
+       os_memcpy(cred->ssid, ssid->ssid, ssid->ssid_len);
+       cred->ssid_len = ssid->ssid_len;
        if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) {
-               cred.auth_type = (ssid->proto & WPA_PROTO_RSN) ?
+               cred->auth_type = (ssid->proto & WPA_PROTO_RSN) ?
                        WPS_AUTH_WPA2PSK : WPS_AUTH_WPAPSK;
                if (ssid->pairwise_cipher & WPA_CIPHER_CCMP)
-                       cred.encr_type = WPS_ENCR_AES;
+                       cred->encr_type = WPS_ENCR_AES;
                else
-                       cred.encr_type = WPS_ENCR_TKIP;
+                       cred->encr_type = WPS_ENCR_TKIP;
                if (ssid->passphrase) {
-                       cred.key_len = os_strlen(ssid->passphrase);
-                       if (cred.key_len >= 64)
+                       cred->key_len = os_strlen(ssid->passphrase);
+                       if (cred->key_len >= 64)
                                return -1;
-                       os_memcpy(cred.key, ssid->passphrase, cred.key_len);
+                       os_memcpy(cred->key, ssid->passphrase, cred->key_len);
                } else if (ssid->psk_set) {
-                       cred.key_len = 32;
-                       os_memcpy(cred.key, ssid->psk, 32);
+                       cred->key_len = 32;
+                       os_memcpy(cred->key, ssid->psk, 32);
                } else
                        return -1;
        } else {
-               cred.auth_type = WPS_AUTH_OPEN;
-               cred.encr_type = WPS_ENCR_NONE;
+               cred->auth_type = WPS_AUTH_OPEN;
+               cred->encr_type = WPS_ENCR_NONE;
        }
-       return wps_er_set_config(wpa_s->wps_er, u, &cred);
+
+       return 0;
+}
+
+
+int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid,
+                          int id)
+{
+       u8 u[UUID_LEN], *use_uuid = NULL;
+       u8 addr[ETH_ALEN], *use_addr = NULL;
+       struct wpa_ssid *ssid;
+       struct wps_credential cred;
+
+       if (uuid_str2bin(uuid, u) == 0)
+               use_uuid = u;
+       else if (hwaddr_aton(uuid, addr) == 0)
+               use_addr = addr;
+       else
+               return -1;
+       ssid = wpa_config_get_network(wpa_s->conf, id);
+       if (ssid == NULL || ssid->ssid == NULL)
+               return -1;
+
+       if (wpas_wps_network_to_cred(ssid, &cred) < 0)
+               return -1;
+       return wps_er_set_config(wpa_s->wps_er, use_uuid, use_addr, &cred);
 }
 
 
 int wpas_wps_er_config(struct wpa_supplicant *wpa_s, const char *uuid,
                       const char *pin, struct wps_new_ap_settings *settings)
 {
-       u8 u[UUID_LEN];
+       u8 u[UUID_LEN], *use_uuid = NULL;
+       u8 addr[ETH_ALEN], *use_addr = NULL;
        struct wps_credential cred;
        size_t len;
 
-       if (uuid_str2bin(uuid, u))
+       if (uuid_str2bin(uuid, u) == 0)
+               use_uuid = u;
+       else if (hwaddr_aton(uuid, addr) == 0)
+               use_addr = addr;
+       else
                return -1;
        if (settings->ssid_hex == NULL || settings->auth == NULL ||
            settings->encr == NULL || settings->key_hex == NULL)
@@ -1704,8 +1939,8 @@ int wpas_wps_er_config(struct wpa_supplicant *wpa_s, const char *uuid,
        else
                return -1;
 
-       return wps_er_config(wpa_s->wps_er, u, (const u8 *) pin,
-                            os_strlen(pin), &cred);
+       return wps_er_config(wpa_s->wps_er, use_uuid, use_addr,
+                            (const u8 *) pin, os_strlen(pin), &cred);
 }
 
 
@@ -1714,15 +1949,20 @@ struct wpabuf * wpas_wps_er_nfc_config_token(struct wpa_supplicant *wpa_s,
                                             int ndef, const char *uuid)
 {
        struct wpabuf *ret;
-       u8 u[UUID_LEN];
+       u8 u[UUID_LEN], *use_uuid = NULL;
+       u8 addr[ETH_ALEN], *use_addr = NULL;
 
        if (!wpa_s->wps_er)
                return NULL;
 
-       if (uuid_str2bin(uuid, u))
+       if (uuid_str2bin(uuid, u) == 0)
+               use_uuid = u;
+       else if (hwaddr_aton(uuid, addr) == 0)
+               use_addr = addr;
+       else
                return NULL;
 
-       ret = wps_er_nfc_config_token(wpa_s->wps_er, u);
+       ret = wps_er_nfc_config_token(wpa_s->wps_er, use_uuid, use_addr);
        if (ndef && ret) {
                struct wpabuf *tmp;
                tmp = ndef_build_wifi(ret);
@@ -1762,19 +2002,6 @@ int wpas_wps_terminate_pending(struct wpa_supplicant *wpa_s)
 }
 
 
-int wpas_wps_in_progress(struct wpa_supplicant *wpa_s)
-{
-       struct wpa_ssid *ssid;
-
-       for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
-               if (!ssid->disabled && ssid->key_mgmt == WPA_KEY_MGMT_WPS)
-                       return 1;
-       }
-
-       return 0;
-}
-
-
 void wpas_wps_update_config(struct wpa_supplicant *wpa_s)
 {
        struct wps_context *wps = wpa_s->wps;
@@ -1830,8 +2057,69 @@ void wpas_wps_update_config(struct wpa_supplicant *wpa_s)
 
 #ifdef CONFIG_WPS_NFC
 
+#ifdef CONFIG_WPS_ER
+static struct wpabuf *
+wpas_wps_network_config_token(struct wpa_supplicant *wpa_s, int ndef,
+                             struct wpa_ssid *ssid)
+{
+       struct wpabuf *ret;
+       struct wps_credential cred;
+
+       if (wpas_wps_network_to_cred(ssid, &cred) < 0)
+               return NULL;
+
+       ret = wps_er_config_token_from_cred(wpa_s->wps, &cred);
+
+       if (ndef && ret) {
+               struct wpabuf *tmp;
+               tmp = ndef_build_wifi(ret);
+               wpabuf_free(ret);
+               if (tmp == NULL)
+                       return NULL;
+               ret = tmp;
+       }
+
+       return ret;
+}
+#endif /* CONFIG_WPS_ER */
+
+
+struct wpabuf * wpas_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
+                                         int ndef, const char *id_str)
+{
+#ifdef CONFIG_WPS_ER
+       if (id_str) {
+               int id;
+               char *end = NULL;
+               struct wpa_ssid *ssid;
+
+               id = strtol(id_str, &end, 10);
+               if (end && *end)
+                       return NULL;
+
+               ssid = wpa_config_get_network(wpa_s->conf, id);
+               if (ssid == NULL)
+                       return NULL;
+               return wpas_wps_network_config_token(wpa_s, ndef, ssid);
+       }
+#endif /* CONFIG_WPS_ER */
+#ifdef CONFIG_AP
+       if (wpa_s->ap_iface)
+               return wpas_ap_wps_nfc_config_token(wpa_s, ndef);
+#endif /* CONFIG_AP */
+       return NULL;
+}
+
+
 struct wpabuf * wpas_wps_nfc_token(struct wpa_supplicant *wpa_s, int ndef)
 {
+       if (wpa_s->conf->wps_nfc_pw_from_config) {
+               return wps_nfc_token_build(ndef,
+                                          wpa_s->conf->wps_nfc_dev_pw_id,
+                                          wpa_s->conf->wps_nfc_dh_pubkey,
+                                          wpa_s->conf->wps_nfc_dev_pw);
+       }
+
        return wps_nfc_token_gen(ndef, &wpa_s->conf->wps_nfc_dev_pw_id,
                                 &wpa_s->conf->wps_nfc_dh_pubkey,
                                 &wpa_s->conf->wps_nfc_dh_privkey,
@@ -1839,15 +2127,32 @@ struct wpabuf * wpas_wps_nfc_token(struct wpa_supplicant *wpa_s, int ndef)
 }
 
 
-int wpas_wps_start_nfc(struct wpa_supplicant *wpa_s, const u8 *bssid)
+int wpas_wps_start_nfc(struct wpa_supplicant *wpa_s, const u8 *go_dev_addr,
+                      const u8 *bssid,
+                      const struct wpabuf *dev_pw, u16 dev_pw_id,
+                      int p2p_group, const u8 *peer_pubkey_hash,
+                      const u8 *ssid, size_t ssid_len)
 {
        struct wps_context *wps = wpa_s->wps;
        char pw[32 * 2 + 1];
 
+       if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER && dev_pw == NULL) {
+               dev_pw = wpa_s->conf->wps_nfc_dev_pw;
+               dev_pw_id = wpa_s->conf->wps_nfc_dev_pw_id;
+       }
+
        if (wpa_s->conf->wps_nfc_dh_pubkey == NULL ||
-           wpa_s->conf->wps_nfc_dh_privkey == NULL ||
-           wpa_s->conf->wps_nfc_dev_pw == NULL)
+           wpa_s->conf->wps_nfc_dh_privkey == NULL) {
+               wpa_printf(MSG_DEBUG, "WPS: Missing DH params - "
+                          "cannot start NFC-triggered connection");
                return -1;
+       }
+
+       if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER && dev_pw == NULL) {
+               wpa_printf(MSG_DEBUG, "WPS: Missing Device Password (id=%u) - "
+                          "cannot start NFC-triggered connection", dev_pw_id);
+               return -1;
+       }
 
        dh5_free(wps->dh_ctx);
        wpabuf_free(wps->dh_pubkey);
@@ -1860,17 +2165,28 @@ int wpas_wps_start_nfc(struct wpa_supplicant *wpa_s, const u8 *bssid)
                wps->dh_pubkey = NULL;
                wpabuf_free(wps->dh_privkey);
                wps->dh_privkey = NULL;
+               wpa_printf(MSG_DEBUG, "WPS: Failed to get DH priv/pub key");
                return -1;
        }
        wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
-       if (wps->dh_ctx == NULL)
+       if (wps->dh_ctx == NULL) {
+               wpabuf_free(wps->dh_pubkey);
+               wps->dh_pubkey = NULL;
+               wpabuf_free(wps->dh_privkey);
+               wps->dh_privkey = NULL;
+               wpa_printf(MSG_DEBUG, "WPS: Failed to initialize DH context");
                return -1;
+       }
 
-       wpa_snprintf_hex_uppercase(pw, sizeof(pw),
-                                  wpabuf_head(wpa_s->conf->wps_nfc_dev_pw),
-                                  wpabuf_len(wpa_s->conf->wps_nfc_dev_pw));
-       return wpas_wps_start_pin(wpa_s, bssid, pw, 0,
-                                 wpa_s->conf->wps_nfc_dev_pw_id);
+       if (dev_pw) {
+               wpa_snprintf_hex_uppercase(pw, sizeof(pw),
+                                          wpabuf_head(dev_pw),
+                                          wpabuf_len(dev_pw));
+       }
+       return wpas_wps_start_dev_pw(wpa_s, go_dev_addr, bssid,
+                                    dev_pw ? pw : NULL,
+                                    p2p_group, dev_pw_id, peer_pubkey_hash,
+                                    ssid, ssid_len);
 }
 
 
@@ -1879,6 +2195,15 @@ static int wpas_wps_use_cred(struct wpa_supplicant *wpa_s,
 {
        wpa_s->wps_ap_channel = 0;
 
+       /*
+        * Disable existing networks temporarily to allow the newly learned
+        * credential to be preferred. Enable the temporarily disabled networks
+        * after 10 seconds.
+        */
+       wpas_wps_temp_disable(wpa_s, NULL);
+       eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s,
+                              NULL);
+
        if (wps_oob_use_cred(wpa_s->wps, attr) < 0)
                return -1;
 
@@ -1909,6 +2234,8 @@ static int wpas_wps_use_cred(struct wpa_supplicant *wpa_s,
        }
        wpa_s->disconnected = 0;
        wpa_s->reassociate = 1;
+
+       wpa_supplicant_cancel_sched_scan(wpa_s);
        wpa_supplicant_req_scan(wpa_s, 0, 0);
 
        return 0;
@@ -1965,6 +2292,14 @@ int wpas_wps_nfc_tag_read(struct wpa_supplicant *wpa_s,
                /* Assume this contains full NDEF record */
                tmp = ndef_parse_wifi(data);
                if (tmp == NULL) {
+#ifdef CONFIG_P2P
+                       tmp = ndef_parse_p2p(data);
+                       if (tmp) {
+                               ret = wpas_p2p_nfc_tag_process(wpa_s, tmp);
+                               wpabuf_free(tmp);
+                               return ret;
+                       }
+#endif /* CONFIG_P2P */
                        wpa_printf(MSG_DEBUG, "WPS: Could not parse NDEF");
                        return -1;
                }
@@ -1977,15 +2312,100 @@ int wpas_wps_nfc_tag_read(struct wpa_supplicant *wpa_s,
 }
 
 
-struct wpabuf * wpas_wps_nfc_handover_req(struct wpa_supplicant *wpa_s)
+struct wpabuf * wpas_wps_nfc_handover_req(struct wpa_supplicant *wpa_s,
+                                         int ndef)
 {
-       return ndef_build_wifi_hr();
+       struct wpabuf *ret;
+
+       if (wpa_s->conf->wps_nfc_dh_pubkey == NULL &&
+           wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey,
+                          &wpa_s->conf->wps_nfc_dh_privkey) < 0)
+               return NULL;
+
+       ret = wps_build_nfc_handover_req(wpa_s->wps,
+                                        wpa_s->conf->wps_nfc_dh_pubkey);
+
+       if (ndef && ret) {
+               struct wpabuf *tmp;
+               tmp = ndef_build_wifi(ret);
+               wpabuf_free(ret);
+               if (tmp == NULL)
+                       return NULL;
+               ret = tmp;
+       }
+
+       return ret;
 }
 
 
-struct wpabuf * wpas_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s)
+#ifdef CONFIG_WPS_NFC
+
+static struct wpabuf *
+wpas_wps_er_nfc_handover_sel(struct wpa_supplicant *wpa_s, int ndef,
+                            const char *uuid)
 {
+#ifdef CONFIG_WPS_ER
+       struct wpabuf *ret;
+       u8 u[UUID_LEN], *use_uuid = NULL;
+       u8 addr[ETH_ALEN], *use_addr = NULL;
+       struct wps_context *wps = wpa_s->wps;
+
+       if (wps == NULL)
+               return NULL;
+
+       if (uuid == NULL)
+               return NULL;
+       if (uuid_str2bin(uuid, u) == 0)
+               use_uuid = u;
+       else if (hwaddr_aton(uuid, addr) == 0)
+               use_addr = addr;
+       else
+               return NULL;
+
+       if (wpa_s->conf->wps_nfc_dh_pubkey == NULL) {
+               if (wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey,
+                                  &wpa_s->conf->wps_nfc_dh_privkey) < 0)
+                       return NULL;
+       }
+
+       wpas_wps_nfc_clear(wps);
+       wps->ap_nfc_dev_pw_id = DEV_PW_NFC_CONNECTION_HANDOVER;
+       wps->ap_nfc_dh_pubkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey);
+       wps->ap_nfc_dh_privkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey);
+       if (!wps->ap_nfc_dh_pubkey || !wps->ap_nfc_dh_privkey) {
+               wpas_wps_nfc_clear(wps);
+               return NULL;
+       }
+
+       ret = wps_er_nfc_handover_sel(wpa_s->wps_er, wpa_s->wps, use_uuid,
+                                     use_addr, wpa_s->conf->wps_nfc_dh_pubkey);
+       if (ndef && ret) {
+               struct wpabuf *tmp;
+               tmp = ndef_build_wifi(ret);
+               wpabuf_free(ret);
+               if (tmp == NULL)
+                       return NULL;
+               ret = tmp;
+       }
+
+       return ret;
+#else /* CONFIG_WPS_ER */
        return NULL;
+#endif /* CONFIG_WPS_ER */
+}
+#endif /* CONFIG_WPS_NFC */
+
+
+struct wpabuf * wpas_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
+                                         int ndef, int cr, const char *uuid)
+{
+       struct wpabuf *ret;
+       if (!cr)
+               return NULL;
+       ret = wpas_ap_wps_nfc_handover_sel(wpa_s, ndef);
+       if (ret)
+               return ret;
+       return wpas_wps_er_nfc_handover_sel(wpa_s, ndef, uuid);
 }
 
 
@@ -2001,29 +2421,201 @@ int wpas_wps_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
                                 const struct wpabuf *data)
 {
        struct wpabuf *wps;
-       int ret;
+       int ret = -1;
+       u16 wsc_len;
+       const u8 *pos;
+       struct wpabuf msg;
+       struct wps_parse_attr attr;
+       u16 dev_pw_id;
 
        wps = ndef_parse_wifi(data);
        if (wps == NULL)
                return -1;
        wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc "
                   "payload from NFC connection handover");
-       wpa_hexdump_buf_key(MSG_DEBUG, "WPS: NFC payload", wps);
-       ret = wpas_wps_nfc_tag_process(wpa_s, wps);
+       wpa_hexdump_buf(MSG_DEBUG, "WPS: NFC payload", wps);
+       if (wpabuf_len(wps) < 2) {
+               wpa_printf(MSG_DEBUG, "WPS: Too short Wi-Fi Handover Select "
+                          "Message");
+               goto out;
+       }
+       pos = wpabuf_head(wps);
+       wsc_len = WPA_GET_BE16(pos);
+       if (wsc_len > wpabuf_len(wps) - 2) {
+               wpa_printf(MSG_DEBUG, "WPS: Invalid WSC attribute length (%u) "
+                          "in Wi-Fi Handover Select Message", wsc_len);
+               goto out;
+       }
+       pos += 2;
+
+       wpa_hexdump(MSG_DEBUG,
+                   "WPS: WSC attributes in Wi-Fi Handover Select Message",
+                   pos, wsc_len);
+       if (wsc_len < wpabuf_len(wps) - 2) {
+               wpa_hexdump(MSG_DEBUG,
+                           "WPS: Ignore extra data after WSC attributes",
+                           pos + wsc_len, wpabuf_len(wps) - 2 - wsc_len);
+       }
+
+       wpabuf_set(&msg, pos, wsc_len);
+       ret = wps_parse_msg(&msg, &attr);
+       if (ret < 0) {
+               wpa_printf(MSG_DEBUG, "WPS: Could not parse WSC attributes in "
+                          "Wi-Fi Handover Select Message");
+               goto out;
+       }
+
+       if (attr.oob_dev_password == NULL ||
+           attr.oob_dev_password_len < WPS_OOB_PUBKEY_HASH_LEN + 2) {
+               wpa_printf(MSG_DEBUG, "WPS: No Out-of-Band Device Password "
+                          "included in Wi-Fi Handover Select Message");
+               ret = -1;
+               goto out;
+       }
+
+       if (attr.ssid == NULL) {
+               wpa_printf(MSG_DEBUG, "WPS: No SSID included in Wi-Fi Handover "
+                          "Select Message");
+               ret = -1;
+               goto out;
+       }
+
+       wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", attr.ssid, attr.ssid_len);
+
+       wpa_hexdump(MSG_DEBUG, "WPS: Out-of-Band Device Password",
+                   attr.oob_dev_password, attr.oob_dev_password_len);
+       dev_pw_id = WPA_GET_BE16(attr.oob_dev_password +
+                                WPS_OOB_PUBKEY_HASH_LEN);
+       if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER) {
+               wpa_printf(MSG_DEBUG, "WPS: Unexpected OOB Device Password ID "
+                          "%u in Wi-Fi Handover Select Message", dev_pw_id);
+               ret = -1;
+               goto out;
+       }
+       wpa_hexdump(MSG_DEBUG, "WPS: AP Public Key hash",
+                   attr.oob_dev_password, WPS_OOB_PUBKEY_HASH_LEN);
+
+       ret = wpas_wps_start_nfc(wpa_s, NULL, NULL, NULL, dev_pw_id, 0,
+                                attr.oob_dev_password,
+                                attr.ssid, attr.ssid_len);
+
+out:
        wpabuf_free(wps);
+       return ret;
+}
 
+
+int wpas_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
+                                const struct wpabuf *req,
+                                const struct wpabuf *sel)
+{
+       wpa_printf(MSG_DEBUG, "NFC: WPS connection handover reported");
+       wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in request", req);
+       wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in select", sel);
+       return wpas_wps_nfc_rx_handover_sel(wpa_s, sel);
+}
+
+
+int wpas_er_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
+                                   const struct wpabuf *req,
+                                   const struct wpabuf *sel)
+{
+       struct wpabuf *wps;
+       int ret = -1;
+       u16 wsc_len;
+       const u8 *pos;
+       struct wpabuf msg;
+       struct wps_parse_attr attr;
+       u16 dev_pw_id;
+
+       /*
+        * Enrollee/station is always initiator of the NFC connection handover,
+        * so use the request message here to find Enrollee public key hash.
+        */
+       wps = ndef_parse_wifi(req);
+       if (wps == NULL)
+               return -1;
+       wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc "
+                  "payload from NFC connection handover");
+       wpa_hexdump_buf(MSG_DEBUG, "WPS: NFC payload", wps);
+       if (wpabuf_len(wps) < 2) {
+               wpa_printf(MSG_DEBUG, "WPS: Too short Wi-Fi Handover Request "
+                          "Message");
+               goto out;
+       }
+       pos = wpabuf_head(wps);
+       wsc_len = WPA_GET_BE16(pos);
+       if (wsc_len > wpabuf_len(wps) - 2) {
+               wpa_printf(MSG_DEBUG, "WPS: Invalid WSC attribute length (%u) "
+                          "in rt Wi-Fi Handover Request Message", wsc_len);
+               goto out;
+       }
+       pos += 2;
+
+       wpa_hexdump(MSG_DEBUG,
+                   "WPS: WSC attributes in Wi-Fi Handover Request Message",
+                   pos, wsc_len);
+       if (wsc_len < wpabuf_len(wps) - 2) {
+               wpa_hexdump(MSG_DEBUG,
+                           "WPS: Ignore extra data after WSC attributes",
+                           pos + wsc_len, wpabuf_len(wps) - 2 - wsc_len);
+       }
+
+       wpabuf_set(&msg, pos, wsc_len);
+       ret = wps_parse_msg(&msg, &attr);
+       if (ret < 0) {
+               wpa_printf(MSG_DEBUG, "WPS: Could not parse WSC attributes in "
+                          "Wi-Fi Handover Request Message");
+               goto out;
+       }
+
+       if (attr.oob_dev_password == NULL ||
+           attr.oob_dev_password_len < WPS_OOB_PUBKEY_HASH_LEN + 2) {
+               wpa_printf(MSG_DEBUG, "WPS: No Out-of-Band Device Password "
+                          "included in Wi-Fi Handover Request Message");
+               ret = -1;
+               goto out;
+       }
+
+       if (attr.uuid_e == NULL) {
+               wpa_printf(MSG_DEBUG, "WPS: No UUID-E included in Wi-Fi "
+                          "Handover Request Message");
+               ret = -1;
+               goto out;
+       }
+
+       wpa_hexdump(MSG_DEBUG, "WPS: UUID-E", attr.uuid_e, WPS_UUID_LEN);
+
+       wpa_hexdump(MSG_DEBUG, "WPS: Out-of-Band Device Password",
+                   attr.oob_dev_password, attr.oob_dev_password_len);
+       dev_pw_id = WPA_GET_BE16(attr.oob_dev_password +
+                                WPS_OOB_PUBKEY_HASH_LEN);
+       if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER) {
+               wpa_printf(MSG_DEBUG, "WPS: Unexpected OOB Device Password ID "
+                          "%u in Wi-Fi Handover Request Message", dev_pw_id);
+               ret = -1;
+               goto out;
+       }
+       wpa_hexdump(MSG_DEBUG, "WPS: Enrollee Public Key hash",
+                   attr.oob_dev_password, WPS_OOB_PUBKEY_HASH_LEN);
+
+       ret = wps_registrar_add_nfc_pw_token(wpa_s->wps->registrar,
+                                            attr.oob_dev_password,
+                                            DEV_PW_NFC_CONNECTION_HANDOVER,
+                                            NULL, 0, 1);
+
+out:
+       wpabuf_free(wps);
        return ret;
 }
 
 #endif /* CONFIG_WPS_NFC */
 
 
-extern int wpa_debug_level;
-
 static void wpas_wps_dump_ap_info(struct wpa_supplicant *wpa_s)
 {
        size_t i;
-       struct os_time now;
+       struct os_reltime now;
 
        if (wpa_debug_level > MSG_DEBUG)
                return;
@@ -2031,7 +2623,7 @@ static void wpas_wps_dump_ap_info(struct wpa_supplicant *wpa_s)
        if (wpa_s->wps_ap == NULL)
                return;
 
-       os_get_time(&now);
+       os_get_reltime(&now);
 
        for (i = 0; i < wpa_s->num_wps_ap; i++) {
                struct wps_ap_info *ap = &wpa_s->wps_ap[i];
@@ -2135,11 +2727,14 @@ void wpas_wps_update_ap_info(struct wpa_supplicant *wpa_s,
 void wpas_wps_notify_assoc(struct wpa_supplicant *wpa_s, const u8 *bssid)
 {
        struct wps_ap_info *ap;
+
+       wpa_s->after_wps = 0;
+
        if (!wpa_s->wps_ap_iter)
                return;
        ap = wpas_wps_get_ap_info(wpa_s, bssid);
        if (ap == NULL)
                return;
        ap->tries++;
-       os_get_time(&ap->last_attempt);
+       os_get_reltime(&ap->last_attempt);
 }