e09bdcad118c783d1ce4213685135a274c862609
[connman] / src / network.c
1 /*
2  *
3  *  Connection Manager
4  *
5  *  Copyright (C) 2007-2009  Intel Corporation. All rights reserved.
6  *
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.
10  *
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.
15  *
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
19  *
20  */
21
22 #ifdef HAVE_CONFIG_H
23 #include <config.h>
24 #endif
25
26 #include <string.h>
27
28 #include <gdbus.h>
29
30 #include "connman.h"
31
32 struct connman_network {
33         struct connman_element element;
34         enum connman_network_type type;
35         enum connman_network_protocol protocol;
36         connman_bool_t associating;
37         connman_bool_t secondary;
38         connman_bool_t available;
39         connman_bool_t connected;
40         connman_uint8_t strength;
41         char *identifier;
42         char *address;
43         char *name;
44         char *node;
45         char *group;
46
47         struct connman_network_driver *driver;
48         void *driver_data;
49
50         connman_bool_t registered;
51
52         struct connman_device *device;
53
54         struct {
55                 void *ssid;
56                 int ssid_len;
57                 char *mode;
58                 char *security;
59                 char *passphrase;
60         } wifi;
61 };
62
63 static const char *type2string(enum connman_network_type type)
64 {
65         switch (type) {
66         case CONNMAN_NETWORK_TYPE_UNKNOWN:
67         case CONNMAN_NETWORK_TYPE_VENDOR:
68                 break;
69         case CONNMAN_NETWORK_TYPE_WIFI:
70                 return "wifi";
71         case CONNMAN_NETWORK_TYPE_WIMAX:
72                 return "wimax";
73         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
74         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
75                 return "bluetooth";
76         case CONNMAN_NETWORK_TYPE_HSO:
77                 return "cellular";
78         }
79
80         return NULL;
81 }
82
83 static DBusMessage *get_properties(DBusConnection *conn,
84                                         DBusMessage *msg, void *data)
85 {
86         struct connman_network *network = data;
87         DBusMessage *reply;
88         DBusMessageIter array, dict;
89
90         DBG("conn %p", conn);
91
92         if (__connman_security_check_privilege(msg,
93                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
94                 return __connman_error_permission_denied(msg);
95
96         reply = dbus_message_new_method_return(msg);
97         if (reply == NULL)
98                 return NULL;
99
100         dbus_message_iter_init_append(reply, &array);
101
102         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
103                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
104                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
105                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
106
107         if (network->device) {
108                 const char *path = connman_device_get_path(network->device);
109                 if (path != NULL)
110                         connman_dbus_dict_append_variant(&dict, "Device",
111                                                 DBUS_TYPE_OBJECT_PATH, &path);
112         }
113
114         if (network->address != NULL)
115                 connman_dbus_dict_append_variant(&dict, "Address",
116                                         DBUS_TYPE_STRING, &network->address);
117
118         if (network->name != NULL)
119                 connman_dbus_dict_append_variant(&dict, "Name",
120                                         DBUS_TYPE_STRING, &network->name);
121
122         connman_dbus_dict_append_variant(&dict, "Connected",
123                                 DBUS_TYPE_BOOLEAN, &network->connected);
124
125         if (network->strength > 0)
126                 connman_dbus_dict_append_variant(&dict, "Strength",
127                                         DBUS_TYPE_BYTE, &network->strength);
128
129         if (network->wifi.ssid != NULL && network->wifi.ssid_len > 0)
130                 connman_dbus_dict_append_array(&dict, "WiFi.SSID",
131                                 DBUS_TYPE_BYTE, &network->wifi.ssid,
132                                                 network->wifi.ssid_len);
133
134         if (network->wifi.mode != NULL)
135                 connman_dbus_dict_append_variant(&dict, "WiFi.Mode",
136                                 DBUS_TYPE_STRING, &network->wifi.mode);
137
138         if (network->wifi.security != NULL)
139                 connman_dbus_dict_append_variant(&dict, "WiFi.Security",
140                                 DBUS_TYPE_STRING, &network->wifi.security);
141
142         if (network->wifi.passphrase != NULL &&
143                         __connman_security_check_privilege(msg,
144                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
145                 connman_dbus_dict_append_variant(&dict, "WiFi.Passphrase",
146                                 DBUS_TYPE_STRING, &network->wifi.passphrase);
147
148         dbus_message_iter_close_container(&array, &dict);
149
150         return reply;
151 }
152
153 static DBusMessage *set_property(DBusConnection *conn,
154                                         DBusMessage *msg, void *data)
155 {
156         struct connman_network *network = data;
157         DBusMessageIter iter, value;
158         const char *name;
159         int type;
160
161         DBG("conn %p", conn);
162
163         if (dbus_message_iter_init(msg, &iter) == FALSE)
164                 return __connman_error_invalid_arguments(msg);
165
166         dbus_message_iter_get_basic(&iter, &name);
167         dbus_message_iter_next(&iter);
168         dbus_message_iter_recurse(&iter, &value);
169
170         if (__connman_security_check_privilege(msg,
171                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
172                 return __connman_error_permission_denied(msg);
173
174         type = dbus_message_iter_get_arg_type(&value);
175
176         if (g_str_equal(name, "WiFi.Passphrase") == TRUE) {
177                 const char *passphrase;
178
179                 if (type != DBUS_TYPE_STRING)
180                         return __connman_error_invalid_arguments(msg);
181
182                 if (__connman_security_check_privilege(msg,
183                                         CONNMAN_SECURITY_PRIVILEGE_SECRET) < 0)
184                         return __connman_error_permission_denied(msg);
185
186                 dbus_message_iter_get_basic(&value, &passphrase);
187
188                 g_free(network->wifi.passphrase);
189                 network->wifi.passphrase = g_strdup(passphrase);
190         }
191
192         __connman_storage_save_network(network);
193
194         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
195 }
196
197 static DBusMessage *do_connect(DBusConnection *conn,
198                                         DBusMessage *msg, void *data)
199 {
200         struct connman_network *network = data;
201         int err;
202
203         DBG("conn %p", conn);
204
205         if (__connman_security_check_privilege(msg,
206                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
207                 return __connman_error_permission_denied(msg);
208
209         if (network->connected == TRUE)
210                 return __connman_error_failed(msg, EALREADY);
211
212         if (network->driver && network->driver->connect) {
213                 enum connman_device_mode mode;
214
215                 mode = connman_device_get_mode(network->device);
216                 if (mode == CONNMAN_DEVICE_MODE_NETWORK_SINGLE)
217                         __connman_device_disconnect(network->device);
218
219                 err = network->driver->connect(network);
220                 if (err < 0 && err != -EINPROGRESS)
221                         return __connman_error_failed(msg, -err);
222         } else
223                 network->connected = TRUE;
224
225         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
226 }
227
228 static DBusMessage *do_disconnect(DBusConnection *conn,
229                                         DBusMessage *msg, void *data)
230 {
231         struct connman_network *network = data;
232         int err;
233
234         DBG("conn %p", conn);
235
236         if (__connman_security_check_privilege(msg,
237                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
238                 return __connman_error_permission_denied(msg);
239
240         if (network->connected == FALSE)
241                 return __connman_error_failed(msg, EINVAL);
242
243         connman_element_unregister_children(&network->element);
244
245         connman_device_set_disconnected(network->device, TRUE);
246
247         if (network->driver && network->driver->disconnect) {
248                 err = network->driver->disconnect(network);
249                 if (err < 0 && err != -EINPROGRESS)
250                         return __connman_error_failed(msg, -err);
251         } else
252                 network->connected = FALSE;
253
254         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
255 }
256
257 static GDBusMethodTable network_methods[] = {
258         { "GetProperties", "",   "a{sv}", get_properties },
259         { "SetProperty",   "sv", "",      set_property   },
260         { "Connect",       "",   "",      do_connect     },
261         { "Disconnect",    "",   "",      do_disconnect  },
262         { },
263 };
264
265 static GDBusSignalTable network_signals[] = {
266         { "PropertyChanged", "sv" },
267         { },
268 };
269
270 static DBusConnection *connection;
271
272 static void append_networks(struct connman_device *device,
273                                                 DBusMessageIter *entry)
274 {
275         DBusMessageIter value, iter;
276         const char *key = "Networks";
277
278         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
279
280         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
281                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
282                                                                 &value);
283
284         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
285                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
286         __connman_element_list((struct connman_element *) device,
287                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
288         dbus_message_iter_close_container(&value, &iter);
289
290         dbus_message_iter_close_container(entry, &value);
291 }
292
293 static void emit_networks_signal(struct connman_device *device)
294 {
295         const char *path = connman_device_get_path(device);
296         DBusMessage *signal;
297         DBusMessageIter entry;
298
299         signal = dbus_message_new_signal(path,
300                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
301         if (signal == NULL)
302                 return;
303
304         dbus_message_iter_init_append(signal, &entry);
305
306         append_networks(device, &entry);
307
308         g_dbus_send_message(connection, signal);
309 }
310
311 static int register_interface(struct connman_element *element)
312 {
313         struct connman_network *network = element->network;
314
315         DBG("element %p name %s", element, element->name);
316
317         if (g_dbus_register_interface(connection, element->path,
318                                         CONNMAN_NETWORK_INTERFACE,
319                                         network_methods, network_signals,
320                                         NULL, network, NULL) == FALSE) {
321                 connman_error("Failed to register %s network", element->path);
322                 return -EIO;
323         }
324
325         network->registered = TRUE;
326
327         emit_networks_signal(network->device);
328
329         return 0;
330 }
331
332 static void unregister_interface(struct connman_element *element)
333 {
334         struct connman_network * network = element->network;
335
336         DBG("element %p name %s", element, element->name);
337
338         network->registered = FALSE;
339
340         emit_networks_signal(network->device);
341
342         g_dbus_unregister_interface(connection, element->path,
343                                                 CONNMAN_NETWORK_INTERFACE);
344 }
345
346 connman_bool_t __connman_network_has_driver(struct connman_network *network)
347 {
348         if (network == NULL || network->driver == NULL)
349                 return FALSE;
350
351         return network->registered;
352 }
353
354 static GSList *driver_list = NULL;
355
356 static gint compare_priority(gconstpointer a, gconstpointer b)
357 {
358         const struct connman_network_driver *driver1 = a;
359         const struct connman_network_driver *driver2 = b;
360
361         return driver2->priority - driver1->priority;
362 }
363
364 /**
365  * connman_network_driver_register:
366  * @driver: network driver definition
367  *
368  * Register a new network driver
369  *
370  * Returns: %0 on success
371  */
372 int connman_network_driver_register(struct connman_network_driver *driver)
373 {
374         DBG("driver %p name %s", driver, driver->name);
375
376         driver_list = g_slist_insert_sorted(driver_list, driver,
377                                                         compare_priority);
378
379         return 0;
380 }
381
382 /**
383  * connman_network_driver_unregister:
384  * @driver: network driver definition
385  *
386  * Remove a previously registered network driver
387  */
388 void connman_network_driver_unregister(struct connman_network_driver *driver)
389 {
390         DBG("driver %p name %s", driver, driver->name);
391
392         driver_list = g_slist_remove(driver_list, driver);
393 }
394
395 static void network_destruct(struct connman_element *element)
396 {
397         struct connman_network *network = element->network;
398
399         DBG("element %p name %s", element, element->name);
400
401         g_free(network->wifi.ssid);
402         g_free(network->wifi.mode);
403         g_free(network->wifi.security);
404         g_free(network->wifi.passphrase);
405
406         g_free(network->group);
407         g_free(network->node);
408         g_free(network->name);
409         g_free(network->address);
410         g_free(network->identifier);
411 }
412
413 /**
414  * connman_network_create:
415  * @identifier: network identifier (for example an unqiue name)
416  *
417  * Allocate a new network and assign the #identifier to it.
418  *
419  * Returns: a newly-allocated #connman_network structure
420  */
421 struct connman_network *connman_network_create(const char *identifier,
422                                                 enum connman_network_type type)
423 {
424         struct connman_network *network;
425         connman_uint8_t strength = 0;
426         const char *str;
427         char *temp;
428
429         DBG("identifier %s type %d", identifier, type);
430
431         network = g_try_new0(struct connman_network, 1);
432         if (network == NULL)
433                 return NULL;
434
435         DBG("network %p", network);
436
437         __connman_element_initialize(&network->element);
438
439         //temp = connman_dbus_encode_string(identifier);
440         temp = g_strdup(identifier);
441         if (temp == NULL) {
442                 g_free(network);
443                 return NULL;
444         }
445
446         network->element.name = temp;
447         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
448
449         network->element.network = network;
450         network->element.destruct = network_destruct;
451
452         str = type2string(type);
453         if (str != NULL)
454                 connman_element_set_string(&network->element, "Type", str);
455
456         connman_element_set_uint8(&network->element, "Strength", strength);
457
458         network->type       = type;
459         network->secondary  = FALSE;
460         network->identifier = g_strdup(identifier);
461
462         return network;
463 }
464
465 /**
466  * connman_network_ref:
467  * @network: network structure
468  *
469  * Increase reference counter of  network
470  */
471 struct connman_network *connman_network_ref(struct connman_network *network)
472 {
473         if (connman_element_ref(&network->element) == NULL)
474                 return NULL;
475
476         return network;
477 }
478
479 /**
480  * connman_network_unref:
481  * @network: network structure
482  *
483  * Decrease reference counter of network
484  */
485 void connman_network_unref(struct connman_network *network)
486 {
487         connman_element_unref(&network->element);
488 }
489
490 const char *__connman_network_get_type(struct connman_network *network)
491 {
492         return type2string(network->type);
493 }
494
495 /**
496  * connman_network_get_type:
497  * @network: network structure
498  *
499  * Get type of network
500  */
501 enum connman_network_type connman_network_get_type(struct connman_network *network)
502 {
503         return network->type;
504 }
505
506 /**
507  * connman_network_get_identifier:
508  * @network: network structure
509  *
510  * Get identifier of network
511  */
512 const char *connman_network_get_identifier(struct connman_network *network)
513 {
514         return network->identifier;
515 }
516
517 /**
518  * connman_network_get_path:
519  * @network: network structure
520  *
521  * Get path name of network
522  */
523 const char *connman_network_get_path(struct connman_network *network)
524 {
525         return network->element.path;
526 }
527
528 /**
529  * connman_network_set_index:
530  * @network: network structure
531  * @index: index number
532  *
533  * Set index number of network
534  */
535 void connman_network_set_index(struct connman_network *network, int index)
536 {
537         network->element.index = index;
538 }
539
540 /**
541  * connman_network_get_index:
542  * @network: network structure
543  *
544  * Get index number of network
545  */
546 int connman_network_get_index(struct connman_network *network)
547 {
548         return network->element.index;
549 }
550
551 /**
552  * connman_network_set_protocol:
553  * @network: network structure
554  * @protocol: network protocol
555  *
556  * Change protocol of network
557  */
558 void connman_network_set_protocol(struct connman_network *network,
559                                         enum connman_network_protocol protocol)
560 {
561         network->protocol = protocol;
562 }
563
564 /**
565  * connman_network_set_group:
566  * @network: network structure
567  * @group: group name
568  *
569  * Set group name for automatic clustering
570  */
571 void connman_network_set_group(struct connman_network *network,
572                                                         const char *group)
573 {
574         g_free(network->group);
575         network->group = g_strdup(group);
576 }
577
578 const char *__connman_network_get_group(struct connman_network *network)
579 {
580         return network->group;
581 }
582
583 const char *__connman_network_get_ident(struct connman_network *network)
584 {
585         if (network->device == NULL)
586                 return NULL;
587
588         return __connman_device_get_ident(network->device);
589 }
590
591 /**
592  * connman_network_set_available:
593  * @network: network structure
594  * @available: availability state
595  *
596  * Change availability state of network (in range)
597  */
598 int connman_network_set_available(struct connman_network *network,
599                                                 connman_bool_t available)
600 {
601         DBG("network %p available %d", network, available);
602
603         if (network->available == available)
604                 return -EALREADY;
605
606         network->available = available;
607
608         return 0;
609 }
610
611 /**
612  * connman_network_get_available:
613  * @network: network structure
614  *
615  * Get network available setting
616  */
617 connman_bool_t connman_network_get_available(struct connman_network *network)
618 {
619         return network->available;
620 }
621
622 static gboolean set_connected(gpointer user_data)
623 {
624         struct connman_network *network = user_data;
625         struct connman_service *service;
626
627         service = __connman_service_lookup_from_network(network);
628
629         if (network->connected == TRUE) {
630                 struct connman_element *element;
631                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
632
633                 switch (network->protocol) {
634                 case CONNMAN_NETWORK_PROTOCOL_UNKNOWN:
635                         return 0;
636                 case CONNMAN_NETWORK_PROTOCOL_IP:
637                         type = CONNMAN_ELEMENT_TYPE_DHCP;
638                         break;
639                 case CONNMAN_NETWORK_PROTOCOL_PPP:
640                         type = CONNMAN_ELEMENT_TYPE_PPP;
641                         break;
642                 }
643
644                 __connman_device_increase_connections(network->device);
645
646                 __connman_device_set_network(network->device, network);
647
648                 connman_device_set_disconnected(network->device, FALSE);
649
650                 element = connman_element_create(NULL);
651                 if (element != NULL) {
652                         element->type  = type;
653                         element->index = network->element.index;
654
655                         if (connman_element_register(element,
656                                                 &network->element) < 0)
657                                 connman_element_unref(element);
658
659                         __connman_service_indicate_state(service,
660                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
661                 }
662         } else {
663                 __connman_service_indicate_state(service,
664                                                 CONNMAN_SERVICE_STATE_IDLE);
665
666                 connman_element_unregister_children(&network->element);
667
668                 __connman_device_set_network(network->device, NULL);
669
670                 __connman_device_decrease_connections(network->device);
671         }
672
673         return FALSE;
674 }
675
676 /**
677  * connman_network_set_associating:
678  * @network: network structure
679  * @associating: associating state
680  *
681  * Change associating state of network
682  */
683 int connman_network_set_associating(struct connman_network *network,
684                                                 connman_bool_t associating)
685 {
686         DBG("network %p associating %d", network, associating);
687
688         if (network->associating == associating)
689                 return -EALREADY;
690
691         network->associating = associating;
692
693         if (associating == TRUE) {
694                 struct connman_service *service;
695
696                 service = __connman_service_lookup_from_network(network);
697                 __connman_service_indicate_state(service,
698                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
699         }
700
701         return 0;
702 }
703
704 /**
705  * connman_network_set_connected:
706  * @network: network structure
707  * @connected: connected state
708  *
709  * Change connected state of network
710  */
711 int connman_network_set_connected(struct connman_network *network,
712                                                 connman_bool_t connected)
713 {
714         DBusMessage *signal;
715         DBusMessageIter entry, value;
716         const char *key = "Connected";
717
718         DBG("network %p connected %d", network, connected);
719
720         if (network->connected == connected)
721                 return -EALREADY;
722
723         network->connected = connected;
724
725         if (connected == TRUE)
726                 network->associating = FALSE;
727
728         if (network->registered == FALSE) {
729                 g_idle_add(set_connected, network);
730                 return 0;
731         }
732
733         signal = dbus_message_new_signal(network->element.path,
734                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
735         if (signal == NULL)
736                 return 0;
737
738         dbus_message_iter_init_append(signal, &entry);
739
740         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
741
742         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
743                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
744         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &connected);
745         dbus_message_iter_close_container(&entry, &value);
746
747         g_dbus_send_message(connection, signal);
748
749         set_connected(network);
750
751         return 0;
752 }
753
754 /**
755  * connman_network_get_connected:
756  * @network: network structure
757  *
758  * Get network connection status
759  */
760 connman_bool_t connman_network_get_connected(struct connman_network *network)
761 {
762         return network->connected;
763 }
764
765 /**
766  * connman_network_connect:
767  * @network: network structure
768  *
769  * Connect network
770  */
771 int connman_network_connect(struct connman_network *network)
772 {
773         if (network->connected == TRUE)
774                 return -EALREADY;
775
776         if (network->driver && network->driver->connect)
777                 return network->driver->connect(network);
778
779         network->connected = TRUE;
780
781         return 0;
782 }
783
784 int __connman_network_disconnect(struct connman_network *network)
785 {
786         if (network->connected == FALSE)
787                 return -ENOTCONN;
788
789         connman_element_unregister_children(&network->element);
790
791         if (network->driver && network->driver->disconnect)
792                 return network->driver->disconnect(network);
793
794         network->connected = FALSE;
795
796         return 0;
797 }
798
799 /**
800  * connman_network_set_string:
801  * @network: network structure
802  * @key: unique identifier
803  * @value: string value
804  *
805  * Set string value for specific key
806  */
807 int connman_network_set_string(struct connman_network *network,
808                                         const char *key, const char *value)
809 {
810         DBG("network %p key %s value %s", network, key, value);
811
812         if (g_str_equal(key, "Address") == TRUE) {
813                 g_free(network->address);
814                 network->address = g_strdup(value);
815         } else if (g_str_equal(key, "Name") == TRUE) {
816                 g_free(network->name);
817                 network->name = g_strdup(value);
818         } else if (g_str_equal(key, "Node") == TRUE) {
819                 g_free(network->node);
820                 network->node = g_strdup(value);
821         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
822                 g_free(network->wifi.mode);
823                 network->wifi.mode = g_strdup(value);
824         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
825                 g_free(network->wifi.security);
826                 network->wifi.security = g_strdup(value);
827         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
828                 g_free(network->wifi.passphrase);
829                 network->wifi.passphrase = g_strdup(value);
830         }
831
832         return connman_element_set_string(&network->element, key, value);
833 }
834
835 /**
836  * connman_network_get_string:
837  * @network: network structure
838  * @key: unique identifier
839  *
840  * Get string value for specific key
841  */
842 const char *connman_network_get_string(struct connman_network *network,
843                                                         const char *key)
844 {
845         DBG("network %p key %s", network, key);
846
847         if (g_str_equal(key, "Address") == TRUE)
848                 return network->address;
849         else if (g_str_equal(key, "Name") == TRUE)
850                 return network->name;
851         else if (g_str_equal(key, "Node") == TRUE)
852                 return network->node;
853         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
854                 return network->wifi.mode;
855         else if (g_str_equal(key, "WiFi.Security") == TRUE)
856                 return network->wifi.security;
857         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
858                 return network->wifi.passphrase;
859
860         return connman_element_get_string(&network->element, key);
861 }
862
863 /**
864  * connman_network_set_uint8:
865  * @network: network structure
866  * @key: unique identifier
867  * @value: integer value
868  *
869  * Set integer value for specific key
870  */
871 int connman_network_set_uint8(struct connman_network *network,
872                                         const char *key, connman_uint8_t value)
873 {
874         DBG("network %p key %s value %d", network, key, value);
875
876         if (g_str_equal(key, "Strength") == TRUE)
877                 network->strength = value;
878
879         return connman_element_set_uint8(&network->element, key, value);
880 }
881
882 /**
883  * connman_network_get_uint8:
884  * @network: network structure
885  * @key: unique identifier
886  *
887  * Get integer value for specific key
888  */
889 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
890                                                         const char *key)
891 {
892         DBG("network %p key %s", network, key);
893
894         if (g_str_equal(key, "Strength") == TRUE)
895                 return network->strength;
896
897         return connman_element_get_uint8(&network->element, key);
898 }
899
900 /**
901  * connman_network_set_blob:
902  * @network: network structure
903  * @key: unique identifier
904  * @data: blob data
905  * @size: blob size
906  *
907  * Set binary blob value for specific key
908  */
909 int connman_network_set_blob(struct connman_network *network,
910                         const char *key, const void *data, unsigned int size)
911 {
912         DBG("network %p key %s size %d", network, key, size);
913
914         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
915                 g_free(network->wifi.ssid);
916                 network->wifi.ssid = g_try_malloc(size);
917                 if (network->wifi.ssid != NULL) {
918                         memcpy(network->wifi.ssid, data, size);
919                         network->wifi.ssid_len = size;
920                 } else
921                         network->wifi.ssid_len = 0;
922         }
923
924         return connman_element_set_blob(&network->element, key, data, size);
925 }
926
927 /**
928  * connman_network_get_blob:
929  * @network: network structure
930  * @key: unique identifier
931  * @size: pointer to blob size
932  *
933  * Get binary blob value for specific key
934  */
935 const void *connman_network_get_blob(struct connman_network *network,
936                                         const char *key, unsigned int *size)
937 {
938         DBG("network %p key %s", network, key);
939
940         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
941                 if (size != NULL)
942                         *size = network->wifi.ssid_len;
943                 return network->wifi.ssid;
944         }
945
946         return connman_element_get_blob(&network->element, key, size);
947 }
948
949 void __connman_network_set_device(struct connman_network *network,
950                                         struct connman_device *device)
951 {
952         network->device = device;
953 }
954
955 /**
956  * connman_network_get_device:
957  * @network: network structure
958  *
959  * Get parent device of network
960  */
961 struct connman_device *connman_network_get_device(struct connman_network *network)
962 {
963         return network->device;
964 }
965
966 /**
967  * connman_network_get_data:
968  * @network: network structure
969  *
970  * Get private network data pointer
971  */
972 void *connman_network_get_data(struct connman_network *network)
973 {
974         return network->driver_data;
975 }
976
977 /**
978  * connman_network_set_data:
979  * @network: network structure
980  * @data: data pointer
981  *
982  * Set private network data pointer
983  */
984 void connman_network_set_data(struct connman_network *network, void *data)
985 {
986         network->driver_data = data;
987 }
988
989 static gboolean match_driver(struct connman_network *network,
990                                         struct connman_network_driver *driver)
991 {
992         if (network->type == driver->type ||
993                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
994                 return TRUE;
995
996         return FALSE;
997 }
998
999 static int network_probe(struct connman_element *element)
1000 {
1001         struct connman_network *network = element->network;
1002         GSList *list;
1003         int err;
1004
1005         DBG("element %p name %s", element, element->name);
1006
1007         if (network == NULL)
1008                 return -ENODEV;
1009
1010         for (list = driver_list; list; list = list->next) {
1011                 struct connman_network_driver *driver = list->data;
1012
1013                 if (match_driver(network, driver) == FALSE)
1014                         continue;
1015
1016                 DBG("driver %p name %s", driver, driver->name);
1017
1018                 if (driver->probe(network) == 0) {
1019                         network->driver = driver;
1020                         break;
1021                 }
1022         }
1023
1024         if (network->driver == NULL)
1025                 return -ENODEV;
1026
1027         err = register_interface(element);
1028         if (err < 0) {
1029                 if (network->driver->remove)
1030                         network->driver->remove(network);
1031                 return err;
1032         }
1033
1034         network->secondary = connman_device_get_secondary(network->device);
1035
1036         switch (network->type) {
1037         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1038         case CONNMAN_NETWORK_TYPE_VENDOR:
1039         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1040         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1041         case CONNMAN_NETWORK_TYPE_HSO:
1042                 break;
1043         case CONNMAN_NETWORK_TYPE_WIFI:
1044         case CONNMAN_NETWORK_TYPE_WIMAX:
1045                 if (network->secondary == FALSE)
1046                         __connman_profile_add_network(network);
1047                 break;
1048         }
1049
1050         return 0;
1051 }
1052
1053 static void network_remove(struct connman_element *element)
1054 {
1055         struct connman_network *network = element->network;
1056
1057         DBG("element %p name %s", element, element->name);
1058
1059         if (network == NULL)
1060                 return;
1061
1062         if (network->driver == NULL)
1063                 return;
1064
1065         switch (network->type) {
1066         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1067         case CONNMAN_NETWORK_TYPE_VENDOR:
1068         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1069         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1070         case CONNMAN_NETWORK_TYPE_HSO:
1071                 break;
1072         case CONNMAN_NETWORK_TYPE_WIFI:
1073         case CONNMAN_NETWORK_TYPE_WIMAX:
1074                 if (network->secondary == FALSE)
1075                         __connman_profile_remove_network(network);
1076                 break;
1077         }
1078
1079         unregister_interface(element);
1080
1081         if (network->driver->remove)
1082                 network->driver->remove(network);
1083 }
1084
1085 static void network_change(struct connman_element *element)
1086 {
1087         struct connman_network *network = element->network;
1088
1089         DBG("element %p name %s", element, element->name);
1090
1091         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1092                 return;
1093
1094         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1095                 return;
1096
1097         if (network->connected == FALSE)
1098                 return;
1099
1100         connman_element_unregister_children(element);
1101
1102         connman_device_set_disconnected(network->device, TRUE);
1103
1104         if (network->driver && network->driver->disconnect) {
1105                 network->driver->disconnect(network);
1106                 return;
1107         }
1108
1109         network->connected = FALSE;
1110 }
1111
1112 static struct connman_driver network_driver = {
1113         .name           = "network",
1114         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1115         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1116         .probe          = network_probe,
1117         .remove         = network_remove,
1118         .change         = network_change,
1119 };
1120
1121 int __connman_network_init(void)
1122 {
1123         DBG("");
1124
1125         connection = connman_dbus_get_connection();
1126
1127         return connman_driver_register(&network_driver);
1128 }
1129
1130 void __connman_network_cleanup(void)
1131 {
1132         DBG("");
1133
1134         connman_driver_unregister(&network_driver);
1135
1136         dbus_connection_unref(connection);
1137 }