Do not trigger initial scan if there are no enabled networks
[libeap.git] / wpa_supplicant / wpa_supplicant.c
index dff8a10..01e89df 100644 (file)
@@ -1,6 +1,6 @@
 /*
  * WPA Supplicant
- * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2003-2010, Jouni Malinen <j@w1.fi>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -49,7 +49,7 @@
 
 const char *wpa_supplicant_version =
 "wpa_supplicant v" VERSION_STR "\n"
-"Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi> and contributors";
+"Copyright (c) 2003-2010, Jouni Malinen <j@w1.fi> and contributors";
 
 const char *wpa_supplicant_license =
 "This program is free software. You can distribute it and/or modify it\n"
@@ -520,6 +520,8 @@ const char * wpa_supplicant_state_txt(enum wpa_states state)
 void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
                              enum wpa_states state)
 {
+       enum wpa_states old_state = wpa_s->wpa_state;
+
        wpa_printf(MSG_DEBUG, "State: %s -> %s",
                   wpa_supplicant_state_txt(wpa_s->wpa_state),
                   wpa_supplicant_state_txt(state));
@@ -527,8 +529,6 @@ void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
        if (state != WPA_SCANNING)
                wpa_supplicant_notify_scanning(wpa_s, 0);
 
-       wpas_notify_state_changed(wpa_s, state, wpa_s->wpa_state);
-
        if (state == WPA_COMPLETED && wpa_s->new_connection) {
 #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
                struct wpa_ssid *ssid = wpa_s->current_ssid;
@@ -542,12 +542,16 @@ void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
                wpa_s->new_connection = 0;
                wpa_s->reassociated_connection = 1;
                wpa_drv_set_operstate(wpa_s, 1);
+               wpa_s->after_wps = 0;
        } else if (state == WPA_DISCONNECTED || state == WPA_ASSOCIATING ||
                   state == WPA_ASSOCIATED) {
                wpa_s->new_connection = 1;
                wpa_drv_set_operstate(wpa_s, 0);
        }
        wpa_s->wpa_state = state;
+
+       if (wpa_s->wpa_state != old_state)
+               wpas_notify_state_changed(wpa_s, wpa_s->wpa_state, old_state);
 }
 
 
@@ -583,12 +587,15 @@ static void wpa_supplicant_terminate(int sig, void *signal_ctx)
 static void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s)
 {
        enum wpa_states old_state = wpa_s->wpa_state;
+
        wpa_s->pairwise_cipher = 0;
        wpa_s->group_cipher = 0;
        wpa_s->mgmt_group_cipher = 0;
        wpa_s->key_mgmt = 0;
        wpa_s->wpa_state = WPA_DISCONNECTED;
-       wpas_notify_state_changed(wpa_s, wpa_s->wpa_state, old_state);
+
+       if (wpa_s->wpa_state != old_state)
+               wpas_notify_state_changed(wpa_s, wpa_s->wpa_state, old_state);
 }
 
 
@@ -681,7 +688,7 @@ static void wpa_supplicant_reconfig(int sig, void *signal_ctx)
 }
 
 
-static enum wpa_cipher cipher_suite2driver(int cipher)
+enum wpa_cipher cipher_suite2driver(int cipher)
 {
        switch (cipher) {
        case WPA_CIPHER_NONE:
@@ -699,7 +706,7 @@ static enum wpa_cipher cipher_suite2driver(int cipher)
 }
 
 
-static enum wpa_key_mgmt key_mgmt2driver(int key_mgmt)
+enum wpa_key_mgmt key_mgmt2driver(int key_mgmt)
 {
        switch (key_mgmt) {
        case WPA_KEY_MGMT_NONE:
@@ -952,6 +959,7 @@ int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
        }
        wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MGMT_GROUP,
                         wpa_s->mgmt_group_cipher);
+       wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MFP, ssid->ieee80211w);
 #endif /* CONFIG_IEEE80211W */
 
        if (wpa_sm_set_assoc_wpa_ie_default(wpa_s->wpa, wpa_ie, wpa_ie_len)) {
@@ -1030,10 +1038,10 @@ void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
                ie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
                if (ie && ie[1] >= MOBILITY_DOMAIN_ID_LEN)
                        md = ie + 2;
-               wpa_sm_set_ft_params(wpa_s->wpa, md, NULL, 0, NULL);
+               wpa_sm_set_ft_params(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0);
                if (md) {
                        /* Prepare for the next transition */
-                       wpa_ft_prepare_auth_request(wpa_s->wpa);
+                       wpa_ft_prepare_auth_request(wpa_s->wpa, ie);
                }
 #endif /* CONFIG_IEEE80211R */
 #ifdef CONFIG_WPS
@@ -1828,8 +1836,11 @@ int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s)
        wpa_drv_flush_pmkid(wpa_s);
 
        wpa_s->prev_scan_ssid = WILDCARD_SSID_SCAN;
-       wpa_supplicant_req_scan(wpa_s, interface_count, 100000);
-       interface_count++;
+       if (wpa_supplicant_enabled_networks(wpa_s->conf)) {
+               wpa_supplicant_req_scan(wpa_s, interface_count, 100000);
+               interface_count++;
+       } else
+               wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
 
        return 0;
 }
@@ -2007,6 +2018,18 @@ next_driver:
                return -1;
        }
 
+       if (wpa_drv_get_capa(wpa_s, &capa) == 0) {
+               wpa_s->drv_flags = capa.flags;
+               if (capa.flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME) {
+                       if (ieee80211_sta_init(wpa_s))
+                               return -1;
+               }
+               wpa_s->max_scan_ssids = capa.max_scan_ssids;
+               wpa_s->max_remain_on_chan = capa.max_remain_on_chan;
+       }
+       if (wpa_s->max_remain_on_chan == 0)
+               wpa_s->max_remain_on_chan = 1000;
+
        if (wpa_supplicant_driver_init(wpa_s) < 0)
                return -1;
 
@@ -2039,15 +2062,6 @@ next_driver:
                return -1;
        }
 
-       if (wpa_drv_get_capa(wpa_s, &capa) == 0) {
-               wpa_s->drv_flags = capa.flags;
-               if (capa.flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME) {
-                       if (ieee80211_sta_init(wpa_s))
-                               return -1;
-               }
-               wpa_s->max_scan_ssids = capa.max_scan_ssids;
-       }
-
 #ifdef CONFIG_IBSS_RSN
        wpa_s->ibss_rsn = ibss_rsn_init(wpa_s);
        if (!wpa_s->ibss_rsn) {