5 * Copyright (C) 2007-2010 Intel Corporation. All rights reserved.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
31 #include <sys/ioctl.h>
32 #include <sys/socket.h>
33 #include <linux/if_arp.h>
34 #include <linux/wireless.h>
35 #include <net/ethernet.h>
38 #define IFF_LOWER_UP 0x10000
41 #include <dbus/dbus.h>
44 #define CONNMAN_API_SUBJECT_TO_CHANGE
45 #include <connman/plugin.h>
46 #include <connman/inet.h>
47 #include <connman/device.h>
48 #include <connman/rtnl.h>
49 #include <connman/technology.h>
50 #include <connman/log.h>
51 #include <connman/option.h>
52 #include <connman/storage.h>
54 #include <gsupplicant/gsupplicant.h>
56 #define CLEANUP_TIMEOUT 8 /* in seconds */
57 #define INACTIVE_TIMEOUT 12 /* in seconds */
58 #define MAXIMUM_RETRIES 4
60 #define BGSCAN_DEFAULT "simple:30:-45:300"
62 struct connman_technology *wifi_technology = NULL;
64 struct hidden_params {
66 unsigned int ssid_len;
73 struct connman_device *device;
74 struct connman_network *network;
75 struct connman_network *pending_network;
77 GSupplicantInterface *interface;
78 GSupplicantState state;
79 connman_bool_t connected;
80 connman_bool_t disconnecting;
81 connman_bool_t tethering;
82 connman_bool_t bridged;
88 struct hidden_params *hidden;
91 static GList *iface_list = NULL;
93 static void handle_tethering(struct wifi_data *wifi)
95 if (wifi->tethering == FALSE)
98 if (wifi->bridge == NULL)
101 if (wifi->bridged == TRUE)
104 DBG("index %d bridge %s", wifi->index, wifi->bridge);
106 if (connman_inet_add_to_bridge(wifi->index, wifi->bridge) < 0)
109 wifi->bridged = TRUE;
112 static void wifi_newlink(unsigned flags, unsigned change, void *user_data)
114 struct connman_device *device = user_data;
115 struct wifi_data *wifi = connman_device_get_data(device);
117 DBG("index %d flags %d change %d", wifi->index, flags, change);
122 if ((wifi->flags & IFF_UP) != (flags & IFF_UP)) {
126 DBG("interface down");
129 if ((wifi->flags & IFF_LOWER_UP) != (flags & IFF_LOWER_UP)) {
130 if (flags & IFF_LOWER_UP) {
133 handle_tethering(wifi);
141 static int wifi_probe(struct connman_device *device)
143 struct wifi_data *wifi;
145 DBG("device %p", device);
147 wifi = g_try_new0(struct wifi_data, 1);
151 wifi->connected = FALSE;
152 wifi->disconnecting = FALSE;
153 wifi->tethering = FALSE;
154 wifi->bridged = FALSE;
156 wifi->state = G_SUPPLICANT_STATE_INACTIVE;
158 connman_device_set_data(device, wifi);
159 wifi->device = connman_device_ref(device);
161 wifi->index = connman_device_get_index(device);
164 wifi->watch = connman_rtnl_add_newlink_watch(wifi->index,
165 wifi_newlink, device);
167 iface_list = g_list_append(iface_list, wifi);
172 static void remove_networks(struct connman_device *device,
173 struct wifi_data *wifi)
177 for (list = wifi->networks; list != NULL; list = list->next) {
178 struct connman_network *network = list->data;
180 connman_device_remove_network(device, network);
181 connman_network_unref(network);
184 g_slist_free(wifi->networks);
185 wifi->networks = NULL;
188 static void wifi_remove(struct connman_device *device)
190 struct wifi_data *wifi = connman_device_get_data(device);
192 DBG("device %p wifi %p", device, wifi);
197 iface_list = g_list_remove(iface_list, wifi);
199 remove_networks(device, wifi);
201 connman_device_set_powered(device, FALSE);
202 connman_device_set_data(device, NULL);
203 connman_device_unref(wifi->device);
204 connman_rtnl_remove_watch(wifi->watch);
206 g_supplicant_interface_set_data(wifi->interface, NULL);
208 g_free(wifi->identifier);
212 static void interface_create_callback(int result,
213 GSupplicantInterface *interface,
216 struct wifi_data *wifi = user_data;
218 DBG("result %d ifname %s, wifi %p", result,
219 g_supplicant_interface_get_ifname(interface),
222 if (result < 0 || wifi == NULL)
225 wifi->interface = interface;
226 g_supplicant_interface_set_data(interface, wifi);
228 if (g_supplicant_interface_get_ready(interface) == FALSE)
231 DBG("interface is ready wifi %p tethering %d", wifi, wifi->tethering);
233 if (wifi->device == NULL) {
234 connman_error("WiFi device not set");
238 connman_device_set_powered(wifi->device, TRUE);
241 static int wifi_enable(struct connman_device *device)
243 struct wifi_data *wifi = connman_device_get_data(device);
244 const char *interface = connman_device_get_string(device, "Interface");
245 const char *driver = connman_option_get_string("wifi");
248 DBG("device %p %p", device, wifi);
250 ret = g_supplicant_interface_create(interface, driver, NULL,
251 interface_create_callback,
259 static int wifi_disable(struct connman_device *device)
261 struct wifi_data *wifi = connman_device_get_data(device);
264 DBG("device %p", device);
266 wifi->connected = FALSE;
267 wifi->disconnecting = FALSE;
269 if (wifi->pending_network != NULL)
270 wifi->pending_network = NULL;
272 remove_networks(device, wifi);
274 ret = g_supplicant_interface_remove(wifi->interface, NULL, NULL);
281 static void hidden_free(struct hidden_params *hidden)
286 g_free(hidden->identity);
287 g_free(hidden->passphrase);
291 static void scan_callback(int result, GSupplicantInterface *interface,
294 struct connman_device *device = user_data;
295 struct wifi_data *wifi = connman_device_get_data(device);
297 DBG("result %d", result);
299 if (wifi != NULL && wifi->hidden != NULL) {
300 hidden_free(wifi->hidden);
305 connman_device_reset_scanning(device);
307 connman_device_set_scanning(device, FALSE);
308 connman_device_unref(device);
311 static int add_scan_param(gchar *hex_ssid, int freq,
312 GSupplicantScanParams *scan_data,
313 int driver_max_scan_ssids)
317 if (driver_max_scan_ssids > scan_data->num_ssids && hex_ssid != NULL) {
319 unsigned int j = 0, hex;
320 size_t hex_ssid_len = strlen(hex_ssid);
322 ssid = g_try_malloc0(hex_ssid_len / 2);
326 for (i = 0; i < hex_ssid_len; i += 2) {
327 sscanf(hex_ssid + i, "%02x", &hex);
331 memcpy(scan_data->ssids[scan_data->num_ssids].ssid, ssid, j);
332 scan_data->ssids[scan_data->num_ssids].ssid_len = j;
333 scan_data->num_ssids++;
338 /* Don't add duplicate entries */
339 for (i = 0; i < G_SUPPLICANT_MAX_FAST_SCAN; i++) {
340 if (scan_data->freqs[i] == 0) {
341 scan_data->freqs[i] = freq;
343 } else if (scan_data->freqs[i] == freq)
350 struct last_connected {
356 static gint sort_entry(gconstpointer a, gconstpointer b, gpointer user_data)
358 GTimeVal *aval = (GTimeVal *)a;
359 GTimeVal *bval = (GTimeVal *)b;
361 /* Note that the sort order is descending */
362 if (aval->tv_sec < bval->tv_sec)
365 if (aval->tv_sec > bval->tv_sec)
371 static void free_entry(gpointer data)
373 struct last_connected *entry = data;
379 static int get_latest_connections(int max_ssids,
380 GSupplicantScanParams *scan_data)
383 GSequence *latest_list;
384 struct last_connected *entry;
393 latest_list = g_sequence_new(free_entry);
394 if (latest_list == NULL)
397 services = connman_storage_get_services();
398 for (i = 0; services && services[i]; i++) {
399 if (strncmp(services[i], "wifi_", 5) != 0)
402 keyfile = connman_storage_load_service(services[i]);
404 str = g_key_file_get_string(keyfile,
405 services[i], "Favorite", NULL);
406 if (str == NULL || g_strcmp0(str, "true")) {
409 g_key_file_free(keyfile);
414 str = g_key_file_get_string(keyfile,
415 services[i], "AutoConnect", NULL);
416 if (str == NULL || g_strcmp0(str, "true")) {
419 g_key_file_free(keyfile);
424 str = g_key_file_get_string(keyfile,
425 services[i], "Modified", NULL);
427 g_time_val_from_iso8601(str, &modified);
431 ssid = g_key_file_get_string(keyfile,
432 services[i], "SSID", NULL);
434 freq = g_key_file_get_integer(keyfile, services[i],
437 entry = g_try_new(struct last_connected, 1);
439 g_sequence_free(latest_list);
440 g_key_file_free(keyfile);
446 entry->modified = modified;
449 g_sequence_insert_sorted(latest_list, entry,
455 g_key_file_free(keyfile);
458 g_strfreev(services);
460 num_ssids = num_ssids > G_SUPPLICANT_MAX_FAST_SCAN ?
461 G_SUPPLICANT_MAX_FAST_SCAN : num_ssids;
463 iter = g_sequence_get_begin_iter(latest_list);
465 for (i = 0; i < num_ssids; i++) {
466 entry = g_sequence_get(iter);
468 DBG("ssid %s freq %d modified %lu", entry->ssid, entry->freq,
469 entry->modified.tv_sec);
471 add_scan_param(entry->ssid, entry->freq, scan_data, max_ssids);
473 iter = g_sequence_iter_next(iter);
476 g_sequence_free(latest_list);
480 static int wifi_scan(struct connman_device *device)
482 struct wifi_data *wifi = connman_device_get_data(device);
485 DBG("device %p %p", device, wifi->interface);
487 if (wifi->tethering == TRUE)
490 connman_device_ref(device);
491 ret = g_supplicant_interface_scan(wifi->interface, NULL,
492 scan_callback, device);
494 connman_device_set_scanning(device, TRUE);
496 connman_device_unref(device);
501 static int wifi_scan_fast(struct connman_device *device)
503 struct wifi_data *wifi = connman_device_get_data(device);
504 GSupplicantScanParams *scan_params = NULL;
506 int driver_max_ssids = 0;
508 DBG("device %p %p", device, wifi->interface);
510 if (wifi->tethering == TRUE)
513 driver_max_ssids = g_supplicant_interface_get_max_scan_ssids(
515 DBG("max ssids %d", driver_max_ssids);
516 if (driver_max_ssids == 0)
517 return wifi_scan(device);
519 scan_params = g_try_malloc0(sizeof(GSupplicantScanParams));
520 if (scan_params == NULL)
523 ret = get_latest_connections(driver_max_ssids, scan_params);
526 return wifi_scan(device);
529 connman_device_ref(device);
530 ret = g_supplicant_interface_scan(wifi->interface, scan_params,
531 scan_callback, device);
533 connman_device_set_scanning(device, TRUE);
536 connman_device_unref(device);
542 static int wifi_scan_hidden(struct connman_device *device,
543 const char *ssid, unsigned int ssid_len,
544 const char *identity, const char* passphrase)
546 struct wifi_data *wifi = connman_device_get_data(device);
547 GSupplicantScanParams *scan_params = NULL;
548 struct hidden_params *hidden;
551 DBG("hidden SSID %s", ssid);
553 if (wifi->tethering == TRUE || wifi->hidden != NULL)
556 if (ssid == NULL || ssid_len == 0 || ssid_len > 32)
559 scan_params = g_try_malloc0(sizeof(GSupplicantScanParams));
560 if (scan_params == NULL)
562 memcpy(scan_params->ssids[0].ssid, ssid, ssid_len);
563 scan_params->ssids[0].ssid_len = ssid_len;
564 scan_params->num_ssids = 1;
566 hidden = g_try_new0(struct hidden_params, 1);
567 if (hidden == NULL) {
571 memcpy(hidden->ssid, ssid, ssid_len);
572 hidden->ssid_len = ssid_len;
573 hidden->identity = g_strdup(identity);
574 hidden->passphrase = g_strdup(passphrase);
575 wifi->hidden = hidden;
577 connman_device_ref(device);
578 ret = g_supplicant_interface_scan(wifi->interface, scan_params,
579 scan_callback, device);
581 connman_device_set_scanning(device, TRUE);
583 connman_device_unref(device);
585 hidden_free(wifi->hidden);
592 static struct connman_device_driver wifi_ng_driver = {
594 .type = CONNMAN_DEVICE_TYPE_WIFI,
595 .priority = CONNMAN_DEVICE_PRIORITY_LOW,
597 .remove = wifi_remove,
598 .enable = wifi_enable,
599 .disable = wifi_disable,
601 .scan_fast = wifi_scan_fast,
602 .scan_hidden = wifi_scan_hidden,
605 static void system_ready(void)
609 if (connman_device_driver_register(&wifi_ng_driver) < 0)
610 connman_error("Failed to register WiFi driver");
613 static void system_killed(void)
617 connman_device_driver_unregister(&wifi_ng_driver);
620 static int network_probe(struct connman_network *network)
622 DBG("network %p", network);
627 static void network_remove(struct connman_network *network)
629 struct connman_device *device = connman_network_get_device(network);
630 struct wifi_data *wifi;
632 DBG("network %p", network);
634 wifi = connman_device_get_data(device);
638 if (wifi->network != network)
641 wifi->network = NULL;
644 static void connect_callback(int result, GSupplicantInterface *interface,
647 struct connman_network *network = user_data;
649 DBG("network %p result %d", network, result);
651 if (result == -ENOKEY) {
652 connman_network_set_error(network,
653 CONNMAN_NETWORK_ERROR_INVALID_KEY);
654 } else if (result < 0) {
655 connman_network_set_error(network,
656 CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
660 static GSupplicantSecurity network_security(const char *security)
662 if (g_str_equal(security, "none") == TRUE)
663 return G_SUPPLICANT_SECURITY_NONE;
664 else if (g_str_equal(security, "wep") == TRUE)
665 return G_SUPPLICANT_SECURITY_WEP;
666 else if (g_str_equal(security, "psk") == TRUE)
667 return G_SUPPLICANT_SECURITY_PSK;
668 else if (g_str_equal(security, "wpa") == TRUE)
669 return G_SUPPLICANT_SECURITY_PSK;
670 else if (g_str_equal(security, "rsn") == TRUE)
671 return G_SUPPLICANT_SECURITY_PSK;
672 else if (g_str_equal(security, "ieee8021x") == TRUE)
673 return G_SUPPLICANT_SECURITY_IEEE8021X;
675 return G_SUPPLICANT_SECURITY_UNKNOWN;
678 static void ssid_init(GSupplicantSSID *ssid, struct connman_network *network)
680 const char *security, *passphrase, *agent_passphrase;
682 memset(ssid, 0, sizeof(*ssid));
683 ssid->mode = G_SUPPLICANT_MODE_INFRA;
684 ssid->ssid = connman_network_get_blob(network, "WiFi.SSID",
687 security = connman_network_get_string(network, "WiFi.Security");
688 ssid->security = network_security(security);
689 passphrase = connman_network_get_string(network,
691 if (passphrase == NULL || strlen(passphrase) == 0) {
693 /* Use agent provided passphrase as a fallback */
694 agent_passphrase = connman_network_get_string(network,
695 "WiFi.AgentPassphrase");
697 if (agent_passphrase == NULL || strlen(agent_passphrase) == 0)
698 ssid->passphrase = NULL;
700 ssid->passphrase = agent_passphrase;
702 ssid->passphrase = passphrase;
704 ssid->eap = connman_network_get_string(network, "WiFi.EAP");
707 * If our private key password is unset,
708 * we use the supplied passphrase. That is needed
709 * for PEAP where 2 passphrases (identity and client
710 * cert may have to be provided.
712 if (connman_network_get_string(network,
713 "WiFi.PrivateKeyPassphrase") == NULL)
714 connman_network_set_string(network,
715 "WiFi.PrivateKeyPassphrase",
717 /* We must have an identity for both PEAP and TLS */
718 ssid->identity = connman_network_get_string(network, "WiFi.Identity");
720 /* Use agent provided identity as a fallback */
721 if (ssid->identity == NULL || strlen(ssid->identity) == 0)
722 ssid->identity = connman_network_get_string(network,
723 "WiFi.AgentIdentity");
725 ssid->ca_cert_path = connman_network_get_string(network,
727 ssid->client_cert_path = connman_network_get_string(network,
728 "WiFi.ClientCertFile");
729 ssid->private_key_path = connman_network_get_string(network,
730 "WiFi.PrivateKeyFile");
731 ssid->private_key_passphrase = connman_network_get_string(network,
732 "WiFi.PrivateKeyPassphrase");
733 ssid->phase2_auth = connman_network_get_string(network, "WiFi.Phase2");
735 ssid->use_wps = connman_network_get_bool(network, "WiFi.UseWPS");
736 ssid->pin_wps = connman_network_get_string(network, "WiFi.PinWPS");
738 ssid->bgscan = BGSCAN_DEFAULT;
741 static int network_connect(struct connman_network *network)
743 struct connman_device *device = connman_network_get_device(network);
744 struct wifi_data *wifi;
745 GSupplicantInterface *interface;
746 GSupplicantSSID *ssid;
748 DBG("network %p", network);
753 wifi = connman_device_get_data(device);
757 ssid = g_try_malloc0(sizeof(GSupplicantSSID));
761 interface = wifi->interface;
763 ssid_init(ssid, network);
765 if (wifi->disconnecting == TRUE)
766 wifi->pending_network = network;
768 wifi->network = network;
771 return g_supplicant_interface_connect(interface, ssid,
772 connect_callback, network);
778 static void disconnect_callback(int result, GSupplicantInterface *interface,
781 struct wifi_data *wifi = user_data;
783 if (wifi->network != NULL) {
785 * if result < 0 supplican return an error because
786 * the network is not current.
787 * we wont receive G_SUPPLICANT_STATE_DISCONNECTED since it
788 * failed, call connman_network_set_connected to report
789 * disconnect is completed.
792 connman_network_set_connected(wifi->network, FALSE);
795 wifi->network = NULL;
797 wifi->disconnecting = FALSE;
799 if (wifi->pending_network != NULL) {
800 network_connect(wifi->pending_network);
801 wifi->pending_network = NULL;
806 static int network_disconnect(struct connman_network *network)
808 struct connman_device *device = connman_network_get_device(network);
809 struct wifi_data *wifi;
812 DBG("network %p", network);
814 wifi = connman_device_get_data(device);
815 if (wifi == NULL || wifi->interface == NULL)
818 connman_network_set_associating(network, FALSE);
820 if (wifi->disconnecting == TRUE)
823 wifi->disconnecting = TRUE;
825 err = g_supplicant_interface_disconnect(wifi->interface,
826 disconnect_callback, wifi);
828 wifi->disconnecting = FALSE;
833 static struct connman_network_driver network_driver = {
835 .type = CONNMAN_NETWORK_TYPE_WIFI,
836 .priority = CONNMAN_NETWORK_PRIORITY_LOW,
837 .probe = network_probe,
838 .remove = network_remove,
839 .connect = network_connect,
840 .disconnect = network_disconnect,
843 static void interface_added(GSupplicantInterface *interface)
845 const char *ifname = g_supplicant_interface_get_ifname(interface);
846 const char *driver = g_supplicant_interface_get_driver(interface);
847 struct wifi_data *wifi;
849 wifi = g_supplicant_interface_get_data(interface);
852 * We can get here with a NULL wifi pointer when
853 * the interface added signal is sent before the
854 * interface creation callback is called.
859 DBG("ifname %s driver %s wifi %p tethering %d",
860 ifname, driver, wifi, wifi->tethering);
862 if (wifi->device == NULL) {
863 connman_error("WiFi device not set");
867 connman_device_set_powered(wifi->device, TRUE);
869 if (wifi->tethering == TRUE)
873 static connman_bool_t is_idle(struct wifi_data *wifi)
875 DBG("state %d", wifi->state);
877 switch (wifi->state) {
878 case G_SUPPLICANT_STATE_UNKNOWN:
879 case G_SUPPLICANT_STATE_DISCONNECTED:
880 case G_SUPPLICANT_STATE_INACTIVE:
881 case G_SUPPLICANT_STATE_SCANNING:
884 case G_SUPPLICANT_STATE_AUTHENTICATING:
885 case G_SUPPLICANT_STATE_ASSOCIATING:
886 case G_SUPPLICANT_STATE_ASSOCIATED:
887 case G_SUPPLICANT_STATE_4WAY_HANDSHAKE:
888 case G_SUPPLICANT_STATE_GROUP_HANDSHAKE:
889 case G_SUPPLICANT_STATE_COMPLETED:
896 static connman_bool_t is_idle_wps(GSupplicantInterface *interface,
897 struct wifi_data *wifi)
899 /* First, let's check if WPS processing did not went wrong */
900 if (g_supplicant_interface_get_wps_state(interface) ==
901 G_SUPPLICANT_WPS_STATE_FAIL)
904 /* Unlike normal connection, being associated while processing wps
905 * actually means that we are idling. */
906 switch (wifi->state) {
907 case G_SUPPLICANT_STATE_UNKNOWN:
908 case G_SUPPLICANT_STATE_DISCONNECTED:
909 case G_SUPPLICANT_STATE_INACTIVE:
910 case G_SUPPLICANT_STATE_SCANNING:
911 case G_SUPPLICANT_STATE_ASSOCIATED:
913 case G_SUPPLICANT_STATE_AUTHENTICATING:
914 case G_SUPPLICANT_STATE_ASSOCIATING:
915 case G_SUPPLICANT_STATE_4WAY_HANDSHAKE:
916 case G_SUPPLICANT_STATE_GROUP_HANDSHAKE:
917 case G_SUPPLICANT_STATE_COMPLETED:
924 static connman_bool_t handle_wps_completion(GSupplicantInterface *interface,
925 struct connman_network *network,
926 struct connman_device *device,
927 struct wifi_data *wifi)
931 wps = connman_network_get_bool(network, "WiFi.UseWPS");
933 const unsigned char *ssid, *wps_ssid;
934 unsigned int ssid_len, wps_ssid_len;
937 /* Checking if we got associated with requested
939 ssid = connman_network_get_blob(network, "WiFi.SSID",
942 wps_ssid = g_supplicant_interface_get_wps_ssid(
943 interface, &wps_ssid_len);
945 if (wps_ssid == NULL || wps_ssid_len != ssid_len ||
946 memcmp(ssid, wps_ssid, ssid_len) != 0) {
947 connman_network_set_associating(network, FALSE);
948 g_supplicant_interface_disconnect(wifi->interface,
949 disconnect_callback, wifi);
953 wps_key = g_supplicant_interface_get_wps_key(interface);
954 connman_network_set_string(network, "WiFi.Passphrase",
957 connman_network_set_string(network, "WiFi.PinWPS", NULL);
963 static connman_bool_t handle_4way_handshake_failure(GSupplicantInterface *interface,
964 struct connman_network *network,
965 struct wifi_data *wifi)
967 if (wifi->state != G_SUPPLICANT_STATE_4WAY_HANDSHAKE)
972 if (wifi->retries < MAXIMUM_RETRIES)
975 connman_network_set_error(network, CONNMAN_NETWORK_ERROR_INVALID_KEY);
980 static void interface_state(GSupplicantInterface *interface)
982 struct connman_network *network;
983 struct connman_device *device;
984 struct wifi_data *wifi;
985 GSupplicantState state = g_supplicant_interface_get_state(interface);
988 wifi = g_supplicant_interface_get_data(interface);
990 DBG("wifi %p interface state %d", wifi, state);
995 network = wifi->network;
996 device = wifi->device;
998 if (device == NULL || network == NULL)
1002 case G_SUPPLICANT_STATE_SCANNING:
1005 case G_SUPPLICANT_STATE_AUTHENTICATING:
1006 case G_SUPPLICANT_STATE_ASSOCIATING:
1007 connman_network_set_associating(network, TRUE);
1010 case G_SUPPLICANT_STATE_COMPLETED:
1011 if (handle_wps_completion(interface, network, device, wifi) ==
1015 /* reset scan trigger and schedule background scan */
1016 connman_device_schedule_scan(device);
1018 connman_network_set_connected(network, TRUE);
1021 case G_SUPPLICANT_STATE_DISCONNECTED:
1023 * If we're in one of the idle modes, we have
1024 * not started association yet and thus setting
1025 * those ones to FALSE could cancel an association
1028 wps = connman_network_get_bool(network, "WiFi.UseWPS");
1030 if (is_idle_wps(interface, wifi) == TRUE)
1036 /* If previous state was 4way-handshake, then
1037 * it's either: psk was incorrect and thus we retry
1038 * or if we reach the maximum retries we declare the
1040 if (handle_4way_handshake_failure(interface,
1041 network, wifi) == TRUE)
1044 /* We disable the selected network, if not then
1045 * wpa_supplicant will loop retrying */
1046 if (g_supplicant_interface_enable_selected_network(interface,
1048 DBG("Could not disables selected network");
1050 connman_network_set_associating(network, FALSE);
1051 connman_network_set_connected(network, FALSE);
1054 case G_SUPPLICANT_STATE_INACTIVE:
1055 connman_network_set_associating(network, FALSE);
1058 case G_SUPPLICANT_STATE_UNKNOWN:
1059 case G_SUPPLICANT_STATE_ASSOCIATED:
1060 case G_SUPPLICANT_STATE_4WAY_HANDSHAKE:
1061 case G_SUPPLICANT_STATE_GROUP_HANDSHAKE:
1065 wifi->state = state;
1070 static void interface_removed(GSupplicantInterface *interface)
1072 const char *ifname = g_supplicant_interface_get_ifname(interface);
1073 struct wifi_data *wifi;
1075 DBG("ifname %s", ifname);
1077 wifi = g_supplicant_interface_get_data(interface);
1079 if (wifi != NULL && wifi->tethering == TRUE)
1082 if (wifi == NULL || wifi->device == NULL) {
1083 connman_error("Wrong wifi pointer");
1087 wifi->interface = NULL;
1088 connman_device_set_powered(wifi->device, FALSE);
1091 static void scan_started(GSupplicantInterface *interface)
1096 static void scan_finished(GSupplicantInterface *interface)
1101 static unsigned char calculate_strength(GSupplicantNetwork *supplicant_network)
1103 unsigned char strength;
1105 strength = 120 + g_supplicant_network_get_signal(supplicant_network);
1112 static void network_added(GSupplicantNetwork *supplicant_network)
1114 struct connman_network *network;
1115 GSupplicantInterface *interface;
1116 struct wifi_data *wifi;
1117 const char *name, *identifier, *security, *group, *mode;
1118 const unsigned char *ssid;
1119 unsigned int ssid_len;
1124 interface = g_supplicant_network_get_interface(supplicant_network);
1125 wifi = g_supplicant_interface_get_data(interface);
1126 name = g_supplicant_network_get_name(supplicant_network);
1127 identifier = g_supplicant_network_get_identifier(supplicant_network);
1128 security = g_supplicant_network_get_security(supplicant_network);
1129 group = g_supplicant_network_get_identifier(supplicant_network);
1130 wps = g_supplicant_network_get_wps(supplicant_network);
1131 mode = g_supplicant_network_get_mode(supplicant_network);
1136 ssid = g_supplicant_network_get_ssid(supplicant_network, &ssid_len);
1138 network = connman_device_get_network(wifi->device, identifier);
1140 if (network == NULL) {
1141 network = connman_network_create(identifier,
1142 CONNMAN_NETWORK_TYPE_WIFI);
1143 if (network == NULL)
1146 connman_network_set_index(network, wifi->index);
1148 if (connman_device_add_network(wifi->device, network) < 0) {
1149 connman_network_unref(network);
1153 wifi->networks = g_slist_append(wifi->networks, network);
1156 if (name != NULL && name[0] != '\0')
1157 connman_network_set_name(network, name);
1159 connman_network_set_blob(network, "WiFi.SSID",
1161 connman_network_set_string(network, "WiFi.Security", security);
1162 connman_network_set_strength(network,
1163 calculate_strength(supplicant_network));
1164 connman_network_set_bool(network, "WiFi.WPS", wps);
1166 connman_network_set_frequency(network,
1167 g_supplicant_network_get_frequency(supplicant_network));
1169 connman_network_set_available(network, TRUE);
1170 connman_network_set_string(network, "WiFi.Mode", mode);
1173 connman_network_set_group(network, group);
1175 if (wifi->hidden != NULL) {
1176 if (wifi->hidden->ssid_len == ssid_len &&
1177 memcmp(wifi->hidden->ssid, ssid,
1179 connman_network_connect_hidden(network,
1180 wifi->hidden->identity,
1181 wifi->hidden->passphrase);
1182 hidden_free(wifi->hidden);
1183 wifi->hidden = NULL;
1188 static void network_removed(GSupplicantNetwork *network)
1190 GSupplicantInterface *interface;
1191 struct wifi_data *wifi;
1192 const char *name, *identifier;
1193 struct connman_network *connman_network;
1195 interface = g_supplicant_network_get_interface(network);
1196 wifi = g_supplicant_interface_get_data(interface);
1197 identifier = g_supplicant_network_get_identifier(network);
1198 name = g_supplicant_network_get_name(network);
1200 DBG("name %s", name);
1205 connman_network = connman_device_get_network(wifi->device, identifier);
1206 if (connman_network == NULL)
1209 wifi->networks = g_slist_remove(wifi->networks, connman_network);
1211 connman_device_remove_network(wifi->device, connman_network);
1212 connman_network_unref(connman_network);
1215 static void network_changed(GSupplicantNetwork *network, const char *property)
1217 GSupplicantInterface *interface;
1218 struct wifi_data *wifi;
1219 const char *name, *identifier;
1220 struct connman_network *connman_network;
1222 interface = g_supplicant_network_get_interface(network);
1223 wifi = g_supplicant_interface_get_data(interface);
1224 identifier = g_supplicant_network_get_identifier(network);
1225 name = g_supplicant_network_get_name(network);
1227 DBG("name %s", name);
1232 connman_network = connman_device_get_network(wifi->device, identifier);
1233 if (connman_network == NULL)
1236 if (g_str_equal(property, "Signal") == TRUE) {
1237 connman_network_set_strength(connman_network,
1238 calculate_strength(network));
1239 connman_network_update(connman_network);
1243 static void debug(const char *str)
1245 if (getenv("CONNMAN_SUPPLICANT_DEBUG"))
1246 connman_debug("%s", str);
1249 static const GSupplicantCallbacks callbacks = {
1250 .system_ready = system_ready,
1251 .system_killed = system_killed,
1252 .interface_added = interface_added,
1253 .interface_state = interface_state,
1254 .interface_removed = interface_removed,
1255 .scan_started = scan_started,
1256 .scan_finished = scan_finished,
1257 .network_added = network_added,
1258 .network_removed = network_removed,
1259 .network_changed = network_changed,
1264 static int tech_probe(struct connman_technology *technology)
1266 wifi_technology = technology;
1271 static void tech_remove(struct connman_technology *technology)
1273 wifi_technology = NULL;
1276 struct wifi_tethering_info {
1277 struct wifi_data *wifi;
1278 struct connman_technology *technology;
1280 GSupplicantSSID *ssid;
1283 static GSupplicantSSID *ssid_ap_init(const char *ssid, const char *passphrase)
1285 GSupplicantSSID *ap;
1287 ap = g_try_malloc0(sizeof(GSupplicantSSID));
1291 ap->mode = G_SUPPLICANT_MODE_MASTER;
1293 ap->ssid_len = strlen(ssid);
1297 if (passphrase == NULL || strlen(passphrase) == 0) {
1298 ap->security = G_SUPPLICANT_SECURITY_NONE;
1299 ap->passphrase = NULL;
1301 ap->security = G_SUPPLICANT_SECURITY_PSK;
1302 ap->protocol = G_SUPPLICANT_PROTO_RSN;
1303 ap->pairwise_cipher = G_SUPPLICANT_PAIRWISE_CCMP;
1304 ap->group_cipher = G_SUPPLICANT_GROUP_CCMP;
1305 ap->passphrase = passphrase;
1311 static void ap_start_callback(int result, GSupplicantInterface *interface,
1314 struct wifi_tethering_info *info = user_data;
1316 DBG("result %d index %d bridge %s",
1317 result, info->wifi->index, info->wifi->bridge);
1320 connman_inet_remove_from_bridge(info->wifi->index,
1321 info->wifi->bridge);
1322 connman_technology_tethering_notify(info->technology, FALSE);
1325 g_free(info->ifname);
1329 static void ap_create_callback(int result,
1330 GSupplicantInterface *interface,
1333 struct wifi_tethering_info *info = user_data;
1335 DBG("result %d ifname %s", result,
1336 g_supplicant_interface_get_ifname(interface));
1339 connman_inet_remove_from_bridge(info->wifi->index,
1340 info->wifi->bridge);
1341 connman_technology_tethering_notify(info->technology, FALSE);
1343 g_free(info->ifname);
1348 info->wifi->interface = interface;
1349 g_supplicant_interface_set_data(interface, info->wifi);
1351 if (g_supplicant_interface_set_apscan(interface, 2) < 0)
1352 connman_error("Failed to set interface ap_scan property");
1354 g_supplicant_interface_connect(interface, info->ssid,
1355 ap_start_callback, info);
1358 static void sta_remove_callback(int result,
1359 GSupplicantInterface *interface,
1362 struct wifi_tethering_info *info = user_data;
1363 const char *driver = connman_option_get_string("wifi");
1365 DBG("ifname %s result %d ", info->ifname, result);
1368 info->wifi->tethering = TRUE;
1370 g_free(info->ifname);
1375 info->wifi->interface = NULL;
1377 connman_technology_tethering_notify(info->technology, TRUE);
1379 g_supplicant_interface_create(info->ifname, driver, info->wifi->bridge,
1384 static int tech_set_tethering(struct connman_technology *technology,
1385 const char *identifier, const char *passphrase,
1386 const char *bridge, connman_bool_t enabled)
1389 GSupplicantInterface *interface;
1390 struct wifi_data *wifi;
1391 struct wifi_tethering_info *info;
1398 if (enabled == FALSE) {
1399 for (list = iface_list; list; list = list->next) {
1402 if (wifi->tethering == TRUE) {
1403 wifi->tethering = FALSE;
1405 connman_inet_remove_from_bridge(wifi->index,
1407 wifi->bridged = FALSE;
1411 connman_technology_tethering_notify(technology, FALSE);
1416 for (list = iface_list; list; list = list->next) {
1419 interface = wifi->interface;
1421 if (interface == NULL)
1424 ifname = g_supplicant_interface_get_ifname(wifi->interface);
1426 mode = g_supplicant_interface_get_mode(interface);
1427 if ((mode & G_SUPPLICANT_CAPABILITY_MODE_AP) == 0) {
1428 DBG("%s does not support AP mode", ifname);
1432 info = g_try_malloc0(sizeof(struct wifi_tethering_info));
1437 info->technology = technology;
1438 info->wifi->bridge = bridge;
1439 info->ssid = ssid_ap_init(identifier, passphrase);
1440 if (info->ssid == NULL) {
1444 info->ifname = g_strdup(ifname);
1445 if (info->ifname == NULL) {
1450 info->wifi->tethering = TRUE;
1452 err = g_supplicant_interface_remove(interface,
1453 sta_remove_callback,
1462 static void regdom_callback(void *user_data)
1464 char *alpha2 = user_data;
1468 if (wifi_technology == NULL)
1471 connman_technology_regdom_notify(wifi_technology, alpha2);
1474 static int tech_set_regdom(struct connman_technology *technology, const char *alpha2)
1476 return g_supplicant_set_country(alpha2, regdom_callback, alpha2);
1479 static struct connman_technology_driver tech_driver = {
1481 .type = CONNMAN_SERVICE_TYPE_WIFI,
1482 .probe = tech_probe,
1483 .remove = tech_remove,
1484 .set_tethering = tech_set_tethering,
1485 .set_regdom = tech_set_regdom,
1488 static int wifi_init(void)
1492 err = connman_network_driver_register(&network_driver);
1496 err = g_supplicant_register(&callbacks);
1498 connman_network_driver_unregister(&network_driver);
1502 err = connman_technology_driver_register(&tech_driver);
1504 g_supplicant_unregister(&callbacks);
1505 connman_network_driver_unregister(&network_driver);
1512 static void wifi_exit(void)
1516 connman_technology_driver_unregister(&tech_driver);
1518 g_supplicant_unregister(&callbacks);
1520 connman_network_driver_unregister(&network_driver);
1523 CONNMAN_PLUGIN_DEFINE(wifi, "WiFi interface plugin", VERSION,
1524 CONNMAN_PLUGIN_PRIORITY_DEFAULT, wifi_init, wifi_exit)