5 * Copyright (C) 2007-2008 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
29 #include <sys/ioctl.h>
30 #include <sys/socket.h>
31 #include <linux/if_arp.h>
32 #include <linux/wireless.h>
36 #include <connman/plugin.h>
37 #include <connman/driver.h>
38 #include <connman/rtnl.h>
39 #include <connman/log.h>
42 #include "supplicant.h"
44 #define CLEANUP_TIMEOUT 8 /* in seconds */
45 #define INACTIVE_TIMEOUT 12 /* in seconds */
56 static int network_probe(struct connman_element *element)
58 DBG("element %p name %s", element, element->name);
63 static void network_remove(struct connman_element *element)
65 DBG("element %p name %s", element, element->name);
68 static int network_enable(struct connman_element *element)
70 struct connman_element *device = element->parent;
71 char *name, *security = NULL, *passphrase = NULL;
75 DBG("element %p name %s", element, element->name);
77 if (connman_element_get_static_property(element,
78 "Name", &name) == FALSE)
81 if (connman_element_get_static_array_property(element,
82 "WiFi.SSID", &ssid, &ssid_len) == FALSE)
86 struct wifi_data *data = connman_element_get_data(device);
89 if (data->connected == TRUE)
92 g_free(data->identifier);
93 data->identifier = g_strdup(name);
97 connman_element_get_value(element,
98 CONNMAN_PROPERTY_ID_WIFI_SECURITY, &security);
100 connman_element_get_value(element,
101 CONNMAN_PROPERTY_ID_WIFI_PASSPHRASE, &passphrase);
103 DBG("name %s security %s passhprase %s",
104 name, security, passphrase);
106 if (__supplicant_connect(element, ssid, ssid_len,
107 security, passphrase) < 0)
108 connman_error("Failed to initiate connect");
113 static int network_disable(struct connman_element *element)
115 DBG("element %p name %s", element, element->name);
117 connman_element_unregister_children(element);
119 __supplicant_disconnect(element);
124 static struct connman_driver network_driver = {
125 .name = "wifi-network",
126 .type = CONNMAN_ELEMENT_TYPE_NETWORK,
127 .subtype = CONNMAN_ELEMENT_SUBTYPE_WIFI,
128 .probe = network_probe,
129 .remove = network_remove,
130 .enable = network_enable,
131 .disable = network_disable,
134 static struct connman_element *find_current_element(struct wifi_data *data,
135 const char *identifier)
139 for (list = data->current; list; list = list->next) {
140 struct connman_element *element = list->data;
142 if (connman_element_match_static_property(element,
143 "Name", &identifier) == TRUE)
150 static struct connman_element *find_pending_element(struct wifi_data *data,
151 const char *identifier)
155 for (list = data->pending; list; list = list->next) {
156 struct connman_element *element = list->data;
158 if (connman_element_match_static_property(element,
159 "Name", &identifier) == TRUE)
166 static gboolean inactive_scan(gpointer user_data)
168 struct connman_element *device = user_data;
169 struct wifi_data *data = connman_element_get_data(device);
173 if (data->cleanup_timer > 0) {
174 g_source_remove(data->cleanup_timer);
175 data->cleanup_timer = 0;
178 __supplicant_scan(device);
180 data->inactive_timer = 0;
185 static void connect_known_networks(struct connman_element *device)
187 struct wifi_data *data = connman_element_get_data(device);
192 if (data->inactive_timer > 0) {
193 g_source_remove(data->inactive_timer);
194 data->inactive_timer = 0;
197 for (list = data->current; list; list = list->next) {
198 struct connman_element *element = list->data;
200 if (element->policy == CONNMAN_ELEMENT_POLICY_AUTO &&
201 element->remember == TRUE &&
202 element->available == TRUE) {
203 if (network_enable(element) == 0)
208 data->inactive_timer = g_timeout_add_seconds(INACTIVE_TIMEOUT,
209 inactive_scan, device);
212 static void state_change(struct connman_element *device,
213 enum supplicant_state state)
215 struct wifi_data *data = connman_element_get_data(device);
216 struct connman_element *element;
218 DBG("state %d", state);
223 if (data->identifier == NULL)
226 element = find_current_element(data, data->identifier);
230 if (state == STATE_COMPLETED) {
231 struct connman_element *dhcp;
233 data->connected = TRUE;
234 connman_element_set_enabled(element, TRUE);
236 dhcp = connman_element_create(NULL);
238 dhcp->type = CONNMAN_ELEMENT_TYPE_DHCP;
239 dhcp->index = element->index;
241 connman_element_register(dhcp, element);
242 } else if (state == STATE_INACTIVE || state == STATE_DISCONNECTED) {
243 data->connected = FALSE;
244 connman_element_set_enabled(element, FALSE);
246 connman_element_unregister_children(element);
250 if (state == STATE_INACTIVE || state == STATE_DISCONNECTED) {
251 data->connected = FALSE;
252 connect_known_networks(device);
256 static gboolean cleanup_pending(gpointer user_data)
258 struct wifi_data *data = user_data;
263 for (list = data->pending; list; list = list->next) {
264 struct connman_element *element = list->data;
266 DBG("element %p name %s", element, element->name);
268 connman_element_unregister(element);
269 connman_element_unref(element);
272 g_slist_free(data->pending);
273 data->pending = NULL;
275 data->cleanup_timer = 0;
280 static void clear_results(struct connman_element *device)
282 struct wifi_data *data = connman_element_get_data(device);
284 DBG("pending %d", g_slist_length(data->pending));
285 DBG("current %d", g_slist_length(data->current));
287 data->pending = data->current;
288 data->current = NULL;
290 if (data->cleanup_timer > 0)
293 data->cleanup_timer = g_timeout_add_seconds(CLEANUP_TIMEOUT,
294 cleanup_pending, data);
297 static void scan_result(struct connman_element *device,
298 struct supplicant_network *network)
300 struct wifi_data *data = connman_element_get_data(device);
301 struct connman_element *element;
305 DBG("network %p identifier %s", network, network->identifier);
310 if (network->identifier == NULL)
313 if (network->identifier[0] == '\0')
316 temp = g_strdup(network->identifier);
318 for (i = 0; i < strlen(temp); i++) {
319 gchar tmp = g_ascii_tolower(temp[i]);
321 if (tmp < 'a' || tmp > 'z')
325 element = find_pending_element(data, network->identifier);
326 if (element == NULL) {
327 element = connman_element_create(temp);
329 element->type = CONNMAN_ELEMENT_TYPE_NETWORK;
330 element->index = device->index;
332 connman_element_add_static_property(element, "Name",
333 DBUS_TYPE_STRING, &network->identifier);
335 connman_element_add_static_array_property(element, "WiFi.SSID",
336 DBUS_TYPE_BYTE, &network->ssid, network->ssid_len);
338 if (element->wifi.security == NULL) {
339 const char *security;
341 if (network->has_rsn == TRUE)
343 else if (network->has_wpa == TRUE)
345 else if (network->has_wep == TRUE)
350 element->wifi.security = g_strdup(security);
353 element->strength = network->quality;
355 connman_element_add_static_property(element, "Strength",
356 DBUS_TYPE_BYTE, &element->strength);
358 DBG("%s (%s) strength %d", network->identifier,
359 element->wifi.security, element->strength);
361 connman_element_register(element, device);
363 data->pending = g_slist_remove(data->pending, element);
365 element->strength = network->quality;
367 connman_element_set_static_property(element, "Strength",
368 DBUS_TYPE_BYTE, &element->strength);
371 data->current = g_slist_append(data->current, element);
373 element->available = TRUE;
378 static struct supplicant_callback wifi_callback = {
379 .state_change = state_change,
380 .clear_results = clear_results,
381 .scan_result = scan_result,
384 static int wifi_probe(struct connman_element *element)
386 struct wifi_data *data;
388 DBG("element %p name %s", element, element->name);
390 data = g_try_new0(struct wifi_data, 1);
394 data->connected = FALSE;
396 connman_element_set_data(element, data);
401 static void wifi_remove(struct connman_element *element)
403 struct wifi_data *data = connman_element_get_data(element);
405 DBG("element %p name %s", element, element->name);
407 connman_element_set_data(element, NULL);
409 g_free(data->identifier);
413 static int wifi_update(struct connman_element *element)
415 DBG("element %p name %s", element, element->name);
417 __supplicant_scan(element);
422 static int wifi_enable(struct connman_element *element)
426 DBG("element %p name %s", element, element->name);
428 err = __supplicant_start(element, &wifi_callback);
432 __supplicant_scan(element);
437 static int wifi_disable(struct connman_element *element)
439 struct wifi_data *data = connman_element_get_data(element);
442 DBG("element %p name %s", element, element->name);
444 if (data->cleanup_timer > 0) {
445 g_source_remove(data->cleanup_timer);
446 data->cleanup_timer = 0;
449 if (data->inactive_timer > 0) {
450 g_source_remove(data->inactive_timer);
451 data->inactive_timer = 0;
454 __supplicant_disconnect(element);
456 for (list = data->pending; list; list = list->next) {
457 struct connman_element *network = list->data;
459 connman_element_unref(network);
462 g_slist_free(data->pending);
463 data->pending = NULL;
465 for (list = data->current; list; list = list->next) {
466 struct connman_element *network = list->data;
468 connman_element_unref(network);
471 g_slist_free(data->current);
472 data->current = NULL;
474 connman_element_unregister_children(element);
476 __supplicant_stop(element);
481 static struct connman_driver wifi_driver = {
482 .name = "wifi-device",
483 .type = CONNMAN_ELEMENT_TYPE_DEVICE,
484 .subtype = CONNMAN_ELEMENT_SUBTYPE_WIFI,
486 .remove = wifi_remove,
487 .update = wifi_update,
488 .enable = wifi_enable,
489 .disable = wifi_disable,
492 static GSList *device_list = NULL;
494 static void wifi_newlink(unsigned short type, int index,
495 unsigned flags, unsigned change)
497 struct connman_element *device;
499 gboolean exists = FALSE;
500 gchar *name, *devname;
504 DBG("index %d", index);
506 if (type != ARPHRD_ETHER)
509 name = inet_index2ident(index, "dev_");
510 devname = inet_index2name(index);
512 memset(&iwr, 0, sizeof(iwr));
513 strncpy(iwr.ifr_ifrn.ifrn_name, devname, IFNAMSIZ);
515 sk = socket(PF_INET, SOCK_DGRAM, 0);
517 if (ioctl(sk, SIOCGIWNAME, &iwr) < 0) {
525 for (list = device_list; list; list = list->next) {
526 struct connman_element *device = list->data;
528 if (device->index == index) {
534 if (exists == TRUE) {
539 device = connman_element_create(NULL);
540 device->type = CONNMAN_ELEMENT_TYPE_DEVICE;
541 device->subtype = CONNMAN_ELEMENT_SUBTYPE_WIFI;
543 device->index = index;
545 device->devname = devname;
547 connman_element_register(device, NULL);
548 device_list = g_slist_append(device_list, device);
551 static void wifi_dellink(unsigned short type, int index,
552 unsigned flags, unsigned change)
556 DBG("index %d", index);
558 for (list = device_list; list; list = list->next) {
559 struct connman_element *device = list->data;
561 if (device->index == index) {
562 device_list = g_slist_remove(device_list, device);
563 connman_element_unregister(device);
564 connman_element_unref(device);
570 static struct connman_rtnl wifi_rtnl = {
572 .newlink = wifi_newlink,
573 .dellink = wifi_dellink,
576 static void supplicant_connect(DBusConnection *connection, void *user_data)
578 DBG("connection %p", connection);
580 __supplicant_init(connection);
582 if (connman_rtnl_register(&wifi_rtnl) < 0)
585 connman_rtnl_send_getlink();
588 static void supplicant_disconnect(DBusConnection *connection, void *user_data)
592 DBG("connection %p", connection);
594 connman_rtnl_unregister(&wifi_rtnl);
596 for (list = device_list; list; list = list->next) {
597 struct connman_element *device = list->data;
599 connman_element_unregister(device);
600 connman_element_unref(device);
603 g_slist_free(device_list);
609 static DBusConnection *connection;
612 static int wifi_init(void)
616 connection = dbus_bus_get(DBUS_BUS_SYSTEM, NULL);
617 if (connection == NULL)
620 err = connman_driver_register(&network_driver);
622 dbus_connection_unref(connection);
626 err = connman_driver_register(&wifi_driver);
628 connman_driver_unregister(&network_driver);
629 dbus_connection_unref(connection);
633 watch = g_dbus_add_service_watch(connection, SUPPLICANT_NAME,
634 supplicant_connect, supplicant_disconnect, NULL, NULL);
636 if (g_dbus_check_service(connection, SUPPLICANT_NAME) == TRUE)
637 supplicant_connect(connection, NULL);
642 static void wifi_exit(void)
644 connman_driver_unregister(&network_driver);
645 connman_driver_unregister(&wifi_driver);
648 g_dbus_remove_watch(connection, watch);
650 supplicant_disconnect(connection, NULL);
652 dbus_connection_unref(connection);
655 CONNMAN_PLUGIN_DEFINE(wifi, "WiFi interface plugin", VERSION,
656 wifi_init, wifi_exit)