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);
220 if (state == STATE_SCANNING)
221 connman_element_set_scanning(device, TRUE);
223 connman_element_set_scanning(device, FALSE);
228 if (data->identifier == NULL)
231 element = find_current_element(data, data->identifier);
235 if (state == STATE_COMPLETED) {
236 struct connman_element *dhcp;
238 data->connected = TRUE;
239 connman_element_set_enabled(element, TRUE);
241 dhcp = connman_element_create(NULL);
243 dhcp->type = CONNMAN_ELEMENT_TYPE_DHCP;
244 dhcp->index = element->index;
246 connman_element_register(dhcp, element);
247 } else if (state == STATE_INACTIVE || state == STATE_DISCONNECTED) {
248 data->connected = FALSE;
249 connman_element_set_enabled(element, FALSE);
251 connman_element_unregister_children(element);
255 if (state == STATE_INACTIVE) {
256 data->connected = FALSE;
257 connect_known_networks(device);
261 static gboolean cleanup_pending(gpointer user_data)
263 struct wifi_data *data = user_data;
268 for (list = data->pending; list; list = list->next) {
269 struct connman_element *element = list->data;
271 DBG("element %p name %s", element, element->name);
273 connman_element_unregister(element);
274 connman_element_unref(element);
277 g_slist_free(data->pending);
278 data->pending = NULL;
280 data->cleanup_timer = 0;
285 static void clear_results(struct connman_element *device)
287 struct wifi_data *data = connman_element_get_data(device);
289 DBG("pending %d", g_slist_length(data->pending));
290 DBG("current %d", g_slist_length(data->current));
292 data->pending = data->current;
293 data->current = NULL;
295 if (data->cleanup_timer > 0)
298 data->cleanup_timer = g_timeout_add_seconds(CLEANUP_TIMEOUT,
299 cleanup_pending, data);
302 static void scan_result(struct connman_element *device,
303 struct supplicant_network *network)
305 struct wifi_data *data = connman_element_get_data(device);
306 struct connman_element *element;
310 DBG("network %p identifier %s", network, network->identifier);
315 if (network->identifier == NULL)
318 if (network->identifier[0] == '\0')
321 temp = g_strdup(network->identifier);
323 for (i = 0; i < strlen(temp); i++) {
325 if ((tmp < '0' || tmp > '9') && (tmp < 'A' || tmp > 'Z') &&
326 (tmp < 'a' || tmp > 'z'))
330 element = find_pending_element(data, network->identifier);
331 if (element == NULL) {
332 element = connman_element_create(temp);
334 element->type = CONNMAN_ELEMENT_TYPE_NETWORK;
335 element->index = device->index;
337 connman_element_add_static_property(element, "Name",
338 DBUS_TYPE_STRING, &network->identifier);
340 connman_element_add_static_array_property(element, "WiFi.SSID",
341 DBUS_TYPE_BYTE, &network->ssid, network->ssid_len);
343 if (element->wifi.security == NULL) {
344 const char *security;
346 if (network->has_rsn == TRUE)
348 else if (network->has_wpa == TRUE)
350 else if (network->has_wep == TRUE)
355 element->wifi.security = g_strdup(security);
358 element->strength = network->quality;
360 connman_element_add_static_property(element, "Strength",
361 DBUS_TYPE_BYTE, &element->strength);
363 DBG("%s (%s) strength %d", network->identifier,
364 element->wifi.security, element->strength);
366 connman_element_register(element, device);
368 data->pending = g_slist_remove(data->pending, element);
370 if (element->strength != network->quality) {
371 element->strength = network->quality;
373 connman_element_set_static_property(element, "Strength",
374 DBUS_TYPE_BYTE, &element->strength);
376 connman_element_update(element);
380 data->current = g_slist_append(data->current, element);
382 element->available = TRUE;
387 static struct supplicant_callback wifi_callback = {
388 .state_change = state_change,
389 .clear_results = clear_results,
390 .scan_result = scan_result,
393 static int wifi_probe(struct connman_element *element)
395 struct wifi_data *data;
397 DBG("element %p name %s", element, element->name);
399 data = g_try_new0(struct wifi_data, 1);
403 data->connected = FALSE;
405 connman_element_set_data(element, data);
410 static void wifi_remove(struct connman_element *element)
412 struct wifi_data *data = connman_element_get_data(element);
414 DBG("element %p name %s", element, element->name);
416 connman_element_set_data(element, NULL);
418 g_free(data->identifier);
422 static int wifi_update(struct connman_element *element)
424 DBG("element %p name %s", element, element->name);
426 __supplicant_scan(element);
431 static int wifi_enable(struct connman_element *element)
435 DBG("element %p name %s", element, element->name);
437 err = __supplicant_start(element, &wifi_callback);
441 __supplicant_scan(element);
446 static int wifi_disable(struct connman_element *element)
448 struct wifi_data *data = connman_element_get_data(element);
451 DBG("element %p name %s", element, element->name);
453 if (data->cleanup_timer > 0) {
454 g_source_remove(data->cleanup_timer);
455 data->cleanup_timer = 0;
458 if (data->inactive_timer > 0) {
459 g_source_remove(data->inactive_timer);
460 data->inactive_timer = 0;
463 __supplicant_disconnect(element);
465 for (list = data->pending; list; list = list->next) {
466 struct connman_element *network = list->data;
468 connman_element_unref(network);
471 g_slist_free(data->pending);
472 data->pending = NULL;
474 for (list = data->current; list; list = list->next) {
475 struct connman_element *network = list->data;
477 connman_element_unref(network);
480 g_slist_free(data->current);
481 data->current = NULL;
483 connman_element_unregister_children(element);
485 __supplicant_stop(element);
490 static struct connman_driver wifi_driver = {
491 .name = "wifi-device",
492 .type = CONNMAN_ELEMENT_TYPE_DEVICE,
493 .subtype = CONNMAN_ELEMENT_SUBTYPE_WIFI,
495 .remove = wifi_remove,
496 .update = wifi_update,
497 .enable = wifi_enable,
498 .disable = wifi_disable,
501 static GSList *device_list = NULL;
503 static void wifi_newlink(unsigned short type, int index,
504 unsigned flags, unsigned change)
506 struct connman_element *device;
508 gboolean exists = FALSE;
509 gchar *name, *devname;
513 DBG("index %d", index);
515 if (type != ARPHRD_ETHER)
518 name = inet_index2ident(index, "dev_");
519 devname = inet_index2name(index);
521 memset(&iwr, 0, sizeof(iwr));
522 strncpy(iwr.ifr_ifrn.ifrn_name, devname, IFNAMSIZ);
524 sk = socket(PF_INET, SOCK_DGRAM, 0);
526 if (ioctl(sk, SIOCGIWNAME, &iwr) < 0) {
534 for (list = device_list; list; list = list->next) {
535 struct connman_element *device = list->data;
537 if (device->index == index) {
543 if (exists == TRUE) {
548 device = connman_element_create(NULL);
549 device->type = CONNMAN_ELEMENT_TYPE_DEVICE;
550 device->subtype = CONNMAN_ELEMENT_SUBTYPE_WIFI;
552 device->index = index;
554 device->devname = devname;
556 connman_element_register(device, NULL);
557 device_list = g_slist_append(device_list, device);
560 static void wifi_dellink(unsigned short type, int index,
561 unsigned flags, unsigned change)
565 DBG("index %d", index);
567 for (list = device_list; list; list = list->next) {
568 struct connman_element *device = list->data;
570 if (device->index == index) {
571 device_list = g_slist_remove(device_list, device);
572 connman_element_unregister(device);
573 connman_element_unref(device);
579 static struct connman_rtnl wifi_rtnl = {
581 .newlink = wifi_newlink,
582 .dellink = wifi_dellink,
585 static void supplicant_connect(DBusConnection *connection, void *user_data)
587 DBG("connection %p", connection);
589 __supplicant_init(connection);
591 if (connman_rtnl_register(&wifi_rtnl) < 0)
594 connman_rtnl_send_getlink();
597 static void supplicant_disconnect(DBusConnection *connection, void *user_data)
601 DBG("connection %p", connection);
603 connman_rtnl_unregister(&wifi_rtnl);
605 for (list = device_list; list; list = list->next) {
606 struct connman_element *device = list->data;
608 connman_element_unregister(device);
609 connman_element_unref(device);
612 g_slist_free(device_list);
618 static DBusConnection *connection;
621 static int wifi_init(void)
625 connection = dbus_bus_get(DBUS_BUS_SYSTEM, NULL);
626 if (connection == NULL)
629 err = connman_driver_register(&network_driver);
631 dbus_connection_unref(connection);
635 err = connman_driver_register(&wifi_driver);
637 connman_driver_unregister(&network_driver);
638 dbus_connection_unref(connection);
642 watch = g_dbus_add_service_watch(connection, SUPPLICANT_NAME,
643 supplicant_connect, supplicant_disconnect, NULL, NULL);
645 if (g_dbus_check_service(connection, SUPPLICANT_NAME) == TRUE)
646 supplicant_connect(connection, NULL);
651 static void wifi_exit(void)
653 connman_driver_unregister(&network_driver);
654 connman_driver_unregister(&wifi_driver);
657 g_dbus_remove_watch(connection, watch);
659 supplicant_disconnect(connection, NULL);
661 dbus_connection_unref(connection);
664 CONNMAN_PLUGIN_DEFINE(wifi, "WiFi interface plugin", VERSION,
665 wifi_init, wifi_exit)