Fix connected state change handling
[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 available;
37         connman_bool_t connected;
38         connman_bool_t remember;
39         connman_uint8_t priority;
40         connman_uint8_t strength;
41         char *identifier;
42         char *name;
43         char *node;
44
45         struct connman_network_driver *driver;
46         void *driver_data;
47
48         connman_bool_t registered;
49
50         struct connman_device *device;
51
52         struct {
53                 void *ssid;
54                 int ssid_len;
55                 char *mode;
56                 char *security;
57                 char *passphrase;
58         } wifi;
59 };
60
61 static const char *type2string(enum connman_network_type type)
62 {
63         switch (type) {
64         case CONNMAN_NETWORK_TYPE_UNKNOWN:
65         case CONNMAN_NETWORK_TYPE_VENDOR:
66                 break;
67         case CONNMAN_NETWORK_TYPE_WIFI:
68                 return "wifi";
69         case CONNMAN_NETWORK_TYPE_WIMAX:
70                 return "wimax";
71         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
72         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
73                 return "bluetooth";
74         case CONNMAN_NETWORK_TYPE_HSO:
75                 return "cellular";
76         }
77
78         return NULL;
79 }
80
81 static DBusMessage *get_properties(DBusConnection *conn,
82                                         DBusMessage *msg, void *data)
83 {
84         struct connman_network *network = data;
85         DBusMessage *reply;
86         DBusMessageIter array, dict;
87
88         DBG("conn %p", conn);
89
90         if (__connman_security_check_privilege(msg,
91                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
92                 return __connman_error_permission_denied(msg);
93
94         reply = dbus_message_new_method_return(msg);
95         if (reply == NULL)
96                 return NULL;
97
98         dbus_message_iter_init_append(reply, &array);
99
100         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
101                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
102                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
103                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
104
105         if (network->device) {
106                 const char *path = connman_device_get_path(network->device);
107                 if (path != NULL)
108                         connman_dbus_dict_append_variant(&dict, "Device",
109                                                 DBUS_TYPE_OBJECT_PATH, &path);
110         }
111
112         if (network->name != NULL)
113                 connman_dbus_dict_append_variant(&dict, "Name",
114                                         DBUS_TYPE_STRING, &network->name);
115
116         connman_dbus_dict_append_variant(&dict, "Available",
117                                 DBUS_TYPE_BOOLEAN, &network->available);
118
119         connman_dbus_dict_append_variant(&dict, "Connected",
120                                 DBUS_TYPE_BOOLEAN, &network->connected);
121
122         connman_dbus_dict_append_variant(&dict, "Remember",
123                                 DBUS_TYPE_BOOLEAN, &network->remember);
124
125         if (network->priority > 0)
126                 connman_dbus_dict_append_variant(&dict, "Priority",
127                                         DBUS_TYPE_BYTE, &network->priority);
128
129         if (network->strength > 0)
130                 connman_dbus_dict_append_variant(&dict, "Strength",
131                                         DBUS_TYPE_BYTE, &network->strength);
132
133         if (network->wifi.ssid != NULL && network->wifi.ssid_len > 0)
134                 connman_dbus_dict_append_array(&dict, "WiFi.SSID",
135                                 DBUS_TYPE_BYTE, &network->wifi.ssid,
136                                                 network->wifi.ssid_len);
137
138         if (network->wifi.mode != NULL)
139                 connman_dbus_dict_append_variant(&dict, "WiFi.Mode",
140                                 DBUS_TYPE_STRING, &network->wifi.mode);
141
142         if (network->wifi.security != NULL)
143                 connman_dbus_dict_append_variant(&dict, "WiFi.Security",
144                                 DBUS_TYPE_STRING, &network->wifi.security);
145
146         if (network->wifi.passphrase != NULL &&
147                         __connman_security_check_privilege(msg,
148                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
149                 connman_dbus_dict_append_variant(&dict, "WiFi.Passphrase",
150                                 DBUS_TYPE_STRING, &network->wifi.passphrase);
151
152         dbus_message_iter_close_container(&array, &dict);
153
154         return reply;
155 }
156
157 static DBusMessage *set_property(DBusConnection *conn,
158                                         DBusMessage *msg, void *data)
159 {
160         struct connman_network *network = data;
161         DBusMessageIter iter, value;
162         const char *name;
163         int type;
164
165         DBG("conn %p", conn);
166
167         if (dbus_message_iter_init(msg, &iter) == FALSE)
168                 return __connman_error_invalid_arguments(msg);
169
170         dbus_message_iter_get_basic(&iter, &name);
171         dbus_message_iter_next(&iter);
172         dbus_message_iter_recurse(&iter, &value);
173
174         if (__connman_security_check_privilege(msg,
175                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
176                 return __connman_error_permission_denied(msg);
177
178         type = dbus_message_iter_get_arg_type(&value);
179
180         if (g_str_equal(name, "Remember") == TRUE) {
181                 connman_bool_t remember;
182
183                 if (type != DBUS_TYPE_BOOLEAN)
184                         return __connman_error_invalid_arguments(msg);
185
186                 dbus_message_iter_get_basic(&value, &remember);
187
188                 if (network->remember == remember)
189                         return __connman_error_invalid_arguments(msg);
190
191                 network->remember = remember;
192         } else if (g_str_equal(name, "WiFi.Passphrase") == TRUE) {
193                 const char *passphrase;
194
195                 if (type != DBUS_TYPE_STRING)
196                         return __connman_error_invalid_arguments(msg);
197
198                 if (__connman_security_check_privilege(msg,
199                                         CONNMAN_SECURITY_PRIVILEGE_SECRET) < 0)
200                         return __connman_error_permission_denied(msg);
201
202                 dbus_message_iter_get_basic(&value, &passphrase);
203
204                 g_free(network->wifi.passphrase);
205                 network->wifi.passphrase = g_strdup(passphrase);
206         } else if (g_str_equal(name, "Priority") == TRUE) {
207                 connman_uint8_t priority;
208
209                 if (type != DBUS_TYPE_BYTE)
210                         return __connman_error_invalid_arguments(msg);
211
212                 dbus_message_iter_get_basic(&value, &priority);
213
214                 network->priority = priority;
215         }
216
217         __connman_storage_save_network(network);
218
219         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
220 }
221
222 static DBusMessage *do_connect(DBusConnection *conn,
223                                         DBusMessage *msg, void *data)
224 {
225         struct connman_network *network = data;
226         int err;
227
228         DBG("conn %p", conn);
229
230         if (__connman_security_check_privilege(msg,
231                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
232                 return __connman_error_permission_denied(msg);
233
234         if (network->connected == TRUE)
235                 return __connman_error_failed(msg);
236
237         if (network->driver && network->driver->connect) {
238                 enum connman_device_mode mode;
239
240                 mode = connman_device_get_mode(network->device);
241                 if (mode == CONNMAN_DEVICE_MODE_NETWORK_SINGLE)
242                         __connman_device_disconnect(network->device);
243
244                 err = network->driver->connect(network);
245                 if (err < 0 && err != -EINPROGRESS)
246                         return __connman_error_failed(msg);
247         } else
248                 network->connected = TRUE;
249
250         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
251 }
252
253 static DBusMessage *do_disconnect(DBusConnection *conn,
254                                         DBusMessage *msg, void *data)
255 {
256         struct connman_network *network = data;
257         int err;
258
259         DBG("conn %p", conn);
260
261         if (__connman_security_check_privilege(msg,
262                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
263                 return __connman_error_permission_denied(msg);
264
265         if (network->connected == FALSE)
266                 return __connman_error_failed(msg);
267
268         connman_element_unregister_children(&network->element);
269
270         connman_device_set_disconnected(network->device, TRUE);
271
272         if (network->driver && network->driver->disconnect) {
273                 err = network->driver->disconnect(network);
274                 if (err < 0 && err != -EINPROGRESS)
275                         return __connman_error_failed(msg);
276         } else
277                 network->connected = FALSE;
278
279         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
280 }
281
282 static GDBusMethodTable network_methods[] = {
283         { "GetProperties", "",   "a{sv}", get_properties },
284         { "SetProperty",   "sv", "",      set_property   },
285         { "Connect",       "",   "",      do_connect     },
286         { "Disconnect",    "",   "",      do_disconnect  },
287         { },
288 };
289
290 static GDBusSignalTable network_signals[] = {
291         { "PropertyChanged", "sv" },
292         { },
293 };
294
295 static DBusConnection *connection;
296
297 static void append_networks(struct connman_device *device,
298                                                 DBusMessageIter *entry)
299 {
300         DBusMessageIter value, iter;
301         const char *key = "Networks";
302
303         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
304
305         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
306                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
307                                                                 &value);
308
309         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
310                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
311         __connman_element_list((struct connman_element *) device,
312                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
313         dbus_message_iter_close_container(&value, &iter);
314
315         dbus_message_iter_close_container(entry, &value);
316 }
317
318 static void emit_networks_signal(struct connman_device *device)
319 {
320         const char *path = connman_device_get_path(device);
321         DBusMessage *signal;
322         DBusMessageIter entry;
323
324         signal = dbus_message_new_signal(path,
325                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
326         if (signal == NULL)
327                 return;
328
329         dbus_message_iter_init_append(signal, &entry);
330
331         append_networks(device, &entry);
332
333         g_dbus_send_message(connection, signal);
334 }
335
336 static int register_interface(struct connman_element *element)
337 {
338         struct connman_network *network = element->network;
339
340         DBG("element %p name %s", element, element->name);
341
342         if (g_dbus_register_interface(connection, element->path,
343                                         CONNMAN_NETWORK_INTERFACE,
344                                         network_methods, network_signals,
345                                         NULL, network, NULL) == FALSE) {
346                 connman_error("Failed to register %s network", element->path);
347                 return -EIO;
348         }
349
350         network->registered = TRUE;
351
352         emit_networks_signal(network->device);
353
354         return 0;
355 }
356
357 static void unregister_interface(struct connman_element *element)
358 {
359         struct connman_network * network = element->network;
360
361         DBG("element %p name %s", element, element->name);
362
363         network->registered = FALSE;
364
365         emit_networks_signal(network->device);
366
367         g_dbus_unregister_interface(connection, element->path,
368                                                 CONNMAN_NETWORK_INTERFACE);
369 }
370
371 connman_bool_t __connman_network_has_driver(struct connman_network *network)
372 {
373         if (network == NULL || network->driver == NULL)
374                 return FALSE;
375
376         return network->registered;
377 }
378
379 static GSList *driver_list = NULL;
380
381 static gint compare_priority(gconstpointer a, gconstpointer b)
382 {
383         const struct connman_network_driver *driver1 = a;
384         const struct connman_network_driver *driver2 = b;
385
386         return driver2->priority - driver1->priority;
387 }
388
389 /**
390  * connman_network_driver_register:
391  * @driver: network driver definition
392  *
393  * Register a new network driver
394  *
395  * Returns: %0 on success
396  */
397 int connman_network_driver_register(struct connman_network_driver *driver)
398 {
399         DBG("driver %p name %s", driver, driver->name);
400
401         driver_list = g_slist_insert_sorted(driver_list, driver,
402                                                         compare_priority);
403
404         return 0;
405 }
406
407 /**
408  * connman_network_driver_unregister:
409  * @driver: network driver definition
410  *
411  * Remove a previously registered network driver
412  */
413 void connman_network_driver_unregister(struct connman_network_driver *driver)
414 {
415         DBG("driver %p name %s", driver, driver->name);
416
417         driver_list = g_slist_remove(driver_list, driver);
418 }
419
420 static void network_destruct(struct connman_element *element)
421 {
422         struct connman_network *network = element->network;
423
424         DBG("element %p name %s", element, element->name);
425
426         g_free(network->wifi.ssid);
427         g_free(network->wifi.mode);
428         g_free(network->wifi.security);
429         g_free(network->wifi.passphrase);
430
431         g_free(network->node);
432         g_free(network->name);
433         g_free(network->identifier);
434 }
435
436 /**
437  * connman_network_create:
438  * @identifier: network identifier (for example an unqiue name)
439  *
440  * Allocate a new network and assign the #identifier to it.
441  *
442  * Returns: a newly-allocated #connman_network structure
443  */
444 struct connman_network *connman_network_create(const char *identifier,
445                                                 enum connman_network_type type)
446 {
447         struct connman_network *network;
448         connman_uint8_t strength = 0;
449         const char *str;
450         char *temp;
451         unsigned int i;
452
453         DBG("identifier %s type %d", identifier, type);
454
455         network = g_try_new0(struct connman_network, 1);
456         if (network == NULL)
457                 return NULL;
458
459         DBG("network %p", network);
460
461         __connman_element_initialize(&network->element);
462
463         temp = g_strdup(identifier);
464         if (temp == NULL) {
465                 g_free(network);
466                 return NULL;
467         }
468
469         for (i = 0; i < strlen(temp); i++) {
470                 char tmp = temp[i];
471                 if ((tmp < '0' || tmp > '9') && (tmp < 'A' || tmp > 'Z') &&
472                                                 (tmp < 'a' || tmp > 'z'))
473                         temp[i] = '_';
474         }
475
476         network->element.name = temp;
477         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
478
479         network->element.network = network;
480         network->element.destruct = network_destruct;
481
482         str = type2string(type);
483         if (str != NULL)
484                 connman_element_set_static_property(&network->element,
485                                         "Type", DBUS_TYPE_STRING, &str);
486
487         connman_element_set_static_property(&network->element,
488                                         "Strength", DBUS_TYPE_BYTE, &strength);
489
490         network->type = type;
491         network->identifier = g_strdup(identifier);
492
493         return network;
494 }
495
496 /**
497  * connman_network_ref:
498  * @network: network structure
499  *
500  * Increase reference counter of  network
501  */
502 struct connman_network *connman_network_ref(struct connman_network *network)
503 {
504         if (connman_element_ref(&network->element) == NULL)
505                 return NULL;
506
507         return network;
508 }
509
510 /**
511  * connman_network_unref:
512  * @network: network structure
513  *
514  * Decrease reference counter of network
515  */
516 void connman_network_unref(struct connman_network *network)
517 {
518         connman_element_unref(&network->element);
519 }
520
521 /**
522  * connman_network_get_identifier:
523  * @network: network structure
524  *
525  * Get identifier of network
526  */
527 const char *connman_network_get_identifier(struct connman_network *network)
528 {
529         return network->identifier;
530 }
531
532 /**
533  * connman_network_get_path:
534  * @network: network structure
535  *
536  * Get path name of network
537  */
538 const char *connman_network_get_path(struct connman_network *network)
539 {
540         return network->element.path;
541 }
542
543 /**
544  * connman_network_set_index:
545  * @network: network structure
546  * @index: index number
547  *
548  * Set index number of network
549  */
550 void connman_network_set_index(struct connman_network *network, int index)
551 {
552         network->element.index = index;
553 }
554
555 /**
556  * connman_network_get_index:
557  * @network: network structure
558  *
559  * Get index number of network
560  */
561 int connman_network_get_index(struct connman_network *network)
562 {
563         return network->element.index;
564 }
565
566 /**
567  * connman_network_set_protocol:
568  * @network: network structure
569  * @protocol: network protocol
570  *
571  * Change protocol of network
572  */
573 void connman_network_set_protocol(struct connman_network *network,
574                                         enum connman_network_protocol protocol)
575 {
576         network->protocol = protocol;
577 }
578
579 /**
580  * connman_network_set_available:
581  * @network: network structure
582  * @available: availability state
583  *
584  * Change availability state of network (in range)
585  */
586 int connman_network_set_available(struct connman_network *network,
587                                                 connman_bool_t available)
588 {
589         DBusMessage *signal;
590         DBusMessageIter entry, value;
591         const char *key = "Available";
592
593         DBG("network %p available %d", network, available);
594
595         if (network->available == available)
596                 return -EALREADY;
597
598         network->available = available;
599
600         if (network->registered == FALSE)
601                 return 0;
602
603         if (network->connected == TRUE)
604                 return 0;
605
606         if (network->remember == FALSE)
607                 return 0;
608
609         signal = dbus_message_new_signal(network->element.path,
610                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
611         if (signal == NULL)
612                 return 0;
613
614         dbus_message_iter_init_append(signal, &entry);
615
616         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
617
618         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
619                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
620         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &available);
621         dbus_message_iter_close_container(&entry, &value);
622
623         g_dbus_send_message(connection, signal);
624
625         return 0;
626 }
627
628 /**
629  * connman_network_get_available:
630  * @network: network structure
631  *
632  * Get network available setting
633  */
634 connman_bool_t connman_network_get_available(struct connman_network *network)
635 {
636         return network->available;
637 }
638
639 /**
640  * connman_network_set_connected:
641  * @network: network structure
642  * @connected: connected state
643  *
644  * Change connected state of network
645  */
646 int connman_network_set_connected(struct connman_network *network,
647                                                 connman_bool_t connected)
648 {
649         DBusMessage *signal;
650         DBusMessageIter entry, value;
651         const char *key = "Connected";
652
653         DBG("network %p connected %d", network, connected);
654
655         if (network->connected == connected)
656                 return -EALREADY;
657
658         network->connected = connected;
659
660         if (network->registered == FALSE)
661                 goto connected;
662
663         signal = dbus_message_new_signal(network->element.path,
664                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
665         if (signal == NULL)
666                 return 0;
667
668         dbus_message_iter_init_append(signal, &entry);
669
670         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
671
672         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
673                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
674         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &connected);
675         dbus_message_iter_close_container(&entry, &value);
676
677         g_dbus_send_message(connection, signal);
678
679 connected:
680         if (connected == TRUE) {
681                 struct connman_element *element;
682                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
683
684                 switch (network->protocol) {
685                 case CONNMAN_NETWORK_PROTOCOL_UNKNOWN:
686                         return 0;
687                 case CONNMAN_NETWORK_PROTOCOL_IP:
688                         type = CONNMAN_ELEMENT_TYPE_DHCP;
689                         break;
690                 case CONNMAN_NETWORK_PROTOCOL_PPP:
691                         type = CONNMAN_ELEMENT_TYPE_PPP;
692                         break;
693                 }
694
695                 __connman_device_increase_connections(network->device);
696
697                 __connman_device_set_network(network->device, network);
698
699                 connman_device_set_disconnected(network->device, FALSE);
700
701                 element = connman_element_create(NULL);
702                 if (element != NULL) {
703                         element->type  = type;
704                         element->index = network->element.index;
705
706                         if (connman_element_register(element,
707                                                 &network->element) < 0)
708                                 connman_element_unref(element);
709                 }
710         } else {
711                 connman_element_unregister_children(&network->element);
712
713                 __connman_device_set_network(network->device, NULL);
714
715                 __connman_device_decrease_connections(network->device);
716         }
717
718         return 0;
719 }
720
721 /**
722  * connman_network_get_connected:
723  * @network: network structure
724  *
725  * Get network connection status
726  */
727 connman_bool_t connman_network_get_connected(struct connman_network *network)
728 {
729         return network->connected;
730 }
731
732 /**
733  * connman_network_set_remember:
734  * @network: network structure
735  * @remember: remember state
736  *
737  * Change remember state of network (known networks)
738  */
739 int connman_network_set_remember(struct connman_network *network,
740                                                 connman_bool_t remember)
741 {
742         DBusMessage *signal;
743         DBusMessageIter entry, value;
744         const char *key = "Remember";
745
746         DBG("network %p remember %d", network, remember);
747
748         if (network->remember == remember)
749                 return -EALREADY;
750
751         network->remember = remember;
752
753         if (network->registered == FALSE)
754                 return 0;
755
756         signal = dbus_message_new_signal(network->element.path,
757                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
758         if (signal == NULL)
759                 return 0;
760
761         dbus_message_iter_init_append(signal, &entry);
762
763         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
764
765         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
766                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
767         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &remember);
768         dbus_message_iter_close_container(&entry, &value);
769
770         g_dbus_send_message(connection, signal);
771
772         return 0;
773 }
774
775 /**
776  * connman_network_get_remember:
777  * @network: network structure
778  *
779  * Get network remember setting
780  */
781 connman_bool_t connman_network_get_remember(struct connman_network *network)
782 {
783         return network->remember;
784 }
785
786 /**
787  * connman_network_connect:
788  * @network: network structure
789  *
790  * Connect network
791  */
792 int connman_network_connect(struct connman_network *network)
793 {
794         if (network->connected == TRUE)
795                 return -EALREADY;
796
797         if (network->driver && network->driver->connect)
798                 return network->driver->connect(network);
799
800         network->connected = TRUE;
801
802         return 0;
803 }
804
805 int __connman_network_disconnect(struct connman_network *network)
806 {
807         if (network->connected == FALSE)
808                 return -ENOTCONN;
809
810         if (network->driver && network->driver->disconnect)
811                 return network->driver->disconnect(network);
812
813         network->connected = FALSE;
814
815         return 0;
816 }
817
818 /**
819  * connman_network_set_string:
820  * @network: network structure
821  * @key: unique identifier
822  * @value: string value
823  *
824  * Set string value for specific key
825  */
826 int connman_network_set_string(struct connman_network *network,
827                                         const char *key, const char *value)
828 {
829         DBG("network %p key %s value %s", network, key, value);
830
831         if (g_str_equal(key, "Name") == TRUE) {
832                 g_free(network->name);
833                 network->name = g_strdup(value);
834         } else if (g_str_equal(key, "Node") == TRUE) {
835                 g_free(network->node);
836                 network->node = g_strdup(value);
837         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
838                 g_free(network->wifi.mode);
839                 network->wifi.mode = g_strdup(value);
840         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
841                 g_free(network->wifi.security);
842                 network->wifi.security = g_strdup(value);
843         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
844                 g_free(network->wifi.passphrase);
845                 network->wifi.passphrase = g_strdup(value);
846         }
847
848         return 0;
849 }
850
851 /**
852  * connman_network_get_string:
853  * @network: network structure
854  * @key: unique identifier
855  *
856  * Get string value for specific key
857  */
858 const char *connman_network_get_string(struct connman_network *network,
859                                                         const char *key)
860 {
861         DBG("network %p key %s", network, key);
862
863         if (g_str_equal(key, "Name") == TRUE)
864                 return network->name;
865         else if (g_str_equal(key, "Node") == TRUE)
866                 return network->node;
867         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
868                 return network->wifi.mode;
869         else if (g_str_equal(key, "WiFi.Security") == TRUE)
870                 return network->wifi.security;
871         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
872                 return network->wifi.passphrase;
873
874         return NULL;
875 }
876
877 /**
878  * connman_network_set_uint8:
879  * @network: network structure
880  * @key: unique identifier
881  * @value: integer value
882  *
883  * Set integer value for specific key
884  */
885 int connman_network_set_uint8(struct connman_network *network,
886                                         const char *key, connman_uint8_t value)
887 {
888         DBG("network %p key %s value %d", network, key, value);
889
890         if (g_str_equal(key, "Priority") == TRUE)
891                 network->priority = value;
892         else if (g_str_equal(key, "Strength") == TRUE) {
893                 network->strength = value;
894                 connman_element_set_static_property(&network->element,
895                                         "Strength", DBUS_TYPE_BYTE, &value);
896         }
897
898         return 0;
899 }
900
901 /**
902  * connman_network_get_uint8:
903  * @network: network structure
904  * @key: unique identifier
905  *
906  * Get integer value for specific key
907  */
908 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
909                                                         const char *key)
910 {
911         DBG("network %p key %s", network, key);
912
913         if (g_str_equal(key, "Priority") == TRUE)
914                 return network->priority;
915         else if (g_str_equal(key, "Strength") == TRUE)
916                 return network->strength;
917
918         return 0;
919 }
920
921 /**
922  * connman_network_set_blob:
923  * @network: network structure
924  * @key: unique identifier
925  * @data: blob data
926  * @size: blob size
927  *
928  * Set binary blob value for specific key
929  */
930 int connman_network_set_blob(struct connman_network *network,
931                         const char *key, const void *data, unsigned int size)
932 {
933         DBG("network %p key %s size %d", network, key, size);
934
935         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
936                 g_free(network->wifi.ssid);
937                 network->wifi.ssid = g_try_malloc(size);
938                 if (network->wifi.ssid != NULL) {
939                         memcpy(network->wifi.ssid, data, size);
940                         network->wifi.ssid_len = size;
941                 } else
942                         network->wifi.ssid_len = 0;
943         }
944
945         return 0;
946 }
947
948 /**
949  * connman_network_get_blob:
950  * @network: network structure
951  * @key: unique identifier
952  * @size: pointer to blob size
953  *
954  * Get binary blob value for specific key
955  */
956 const void *connman_network_get_blob(struct connman_network *network,
957                                         const char *key, unsigned int *size)
958 {
959         DBG("network %p key %s", network, key);
960
961         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
962                 if (size != NULL)
963                         *size = network->wifi.ssid_len;
964                 return network->wifi.ssid;
965         }
966
967         return NULL;
968 }
969
970 void __connman_network_set_device(struct connman_network *network,
971                                         struct connman_device *device)
972 {
973         network->device = device;
974 }
975
976 /**
977  * connman_network_get_device:
978  * @network: network structure
979  *
980  * Get parent device of network
981  */
982 struct connman_device *connman_network_get_device(struct connman_network *network)
983 {
984         return network->device;
985 }
986
987 /**
988  * connman_network_get_data:
989  * @network: network structure
990  *
991  * Get private network data pointer
992  */
993 void *connman_network_get_data(struct connman_network *network)
994 {
995         return network->driver_data;
996 }
997
998 /**
999  * connman_network_set_data:
1000  * @network: network structure
1001  * @data: data pointer
1002  *
1003  * Set private network data pointer
1004  */
1005 void connman_network_set_data(struct connman_network *network, void *data)
1006 {
1007         network->driver_data = data;
1008 }
1009
1010 static gboolean match_driver(struct connman_network *network,
1011                                         struct connman_network_driver *driver)
1012 {
1013         if (network->type == driver->type ||
1014                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1015                 return TRUE;
1016
1017         return FALSE;
1018 }
1019
1020 static int network_probe(struct connman_element *element)
1021 {
1022         struct connman_network *network = element->network;
1023         GSList *list;
1024         int err;
1025
1026         DBG("element %p name %s", element, element->name);
1027
1028         if (network == NULL)
1029                 return -ENODEV;
1030
1031         for (list = driver_list; list; list = list->next) {
1032                 struct connman_network_driver *driver = list->data;
1033
1034                 if (match_driver(network, driver) == FALSE)
1035                         continue;
1036
1037                 DBG("driver %p name %s", driver, driver->name);
1038
1039                 if (driver->probe(network) == 0) {
1040                         network->driver = driver;
1041                         break;
1042                 }
1043         }
1044
1045         if (network->driver == NULL)
1046                 return -ENODEV;
1047
1048         err = register_interface(element);
1049         if (err < 0) {
1050                 if (network->driver->remove)
1051                         network->driver->remove(network);
1052                 return err;
1053         }
1054
1055         return 0;
1056 }
1057
1058 static void network_remove(struct connman_element *element)
1059 {
1060         struct connman_network *network = element->network;
1061
1062         DBG("element %p name %s", element, element->name);
1063
1064         if (network == NULL)
1065                 return;
1066
1067         if (network->driver == NULL)
1068                 return;
1069
1070         unregister_interface(element);
1071
1072         if (network->driver->remove)
1073                 network->driver->remove(network);
1074 }
1075
1076 static struct connman_driver network_driver = {
1077         .name           = "network",
1078         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1079         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1080         .probe          = network_probe,
1081         .remove         = network_remove,
1082 };
1083
1084 static int network_init(struct connman_device *device)
1085 {
1086         DBG("device %p", device);
1087
1088         return 0;
1089 }
1090
1091 static int network_load(struct connman_network *network)
1092 {
1093         GKeyFile *keyfile;
1094         gchar *pathname, *data = NULL;
1095         gsize length;
1096         const char *name;
1097         int val;
1098
1099         DBG("network %p", network);
1100
1101         name = connman_device_get_name(network->device);
1102         if (name == NULL)
1103                 return -EINVAL;
1104
1105         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, name);
1106         if (pathname == NULL)
1107                 return -ENOMEM;
1108
1109         keyfile = g_key_file_new();
1110
1111         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1112                 g_free(pathname);
1113                 return -ENOENT;
1114         }
1115
1116         g_free(pathname);
1117
1118         if (g_key_file_load_from_data(keyfile, data, length,
1119                                                         0, NULL) == FALSE) {
1120                 g_free(data);
1121                 return -EILSEQ;
1122         }
1123
1124         g_free(data);
1125
1126         network->remember = g_key_file_get_boolean(keyfile,
1127                                         network->identifier, "Remember", NULL);
1128
1129         val = g_key_file_get_integer(keyfile, network->identifier,
1130                                                         "Priority", NULL);
1131         if (val > 0)
1132                 network->priority = val;
1133
1134         g_free(network->wifi.security);
1135         network->wifi.security = g_key_file_get_string(keyfile,
1136                                 network->identifier, "WiFi.Security", NULL);
1137
1138         g_free(network->wifi.passphrase);
1139         network->wifi.passphrase = g_key_file_get_string(keyfile,
1140                                 network->identifier, "WiFi.Passphrase", NULL);
1141
1142         g_key_file_free(keyfile);
1143
1144         return 0;
1145 }
1146
1147 static int network_save(struct connman_network *network)
1148 {
1149         GKeyFile *keyfile;
1150         gchar *pathname, *data = NULL;
1151         gsize length;
1152         const char *name;
1153
1154         DBG("network %p", network);
1155
1156         name = connman_device_get_name(network->device);
1157         if (name == NULL)
1158                 return -EINVAL;
1159
1160         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, name);
1161         if (pathname == NULL)
1162                 return -ENOMEM;
1163
1164         keyfile = g_key_file_new();
1165
1166         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1167                 goto update;
1168
1169         if (length > 0) {
1170                 if (g_key_file_load_from_data(keyfile, data, length,
1171                                                         0, NULL) == FALSE)
1172                         goto done;
1173         }
1174
1175         g_free(data);
1176
1177 update:
1178         g_key_file_set_boolean(keyfile, network->identifier,
1179                                         "Remember", network->remember);
1180
1181         if (network->priority > 0)
1182                 g_key_file_set_integer(keyfile, network->identifier,
1183                                                 "Priority", network->priority);
1184
1185         if (network->remember == TRUE || network->connected == TRUE) {
1186                 if (network->wifi.security != NULL)
1187                         g_key_file_set_string(keyfile, network->identifier,
1188                                 "WiFi.Security", network->wifi.security);
1189
1190                 if (network->wifi.passphrase != NULL)
1191                         g_key_file_set_string(keyfile, network->identifier,
1192                                 "WiFi.Passphrase", network->wifi.passphrase);
1193         }
1194
1195         data = g_key_file_to_data(keyfile, &length, NULL);
1196
1197         g_file_set_contents(pathname, data, length, NULL);
1198
1199 done:
1200         g_free(data);
1201
1202         g_key_file_free(keyfile);
1203
1204         g_free(pathname);
1205
1206         return 0;
1207 }
1208
1209 static struct connman_storage network_storage = {
1210         .name           = "network",
1211         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1212         .network_init   = network_init,
1213         .network_load   = network_load,
1214         .network_save   = network_save,
1215 };
1216
1217 int __connman_network_init(void)
1218 {
1219         DBG("");
1220
1221         connection = connman_dbus_get_connection();
1222
1223         if (connman_storage_register(&network_storage) < 0)
1224                 connman_error("Failed to register network storage");
1225
1226         return connman_driver_register(&network_driver);
1227 }
1228
1229 void __connman_network_cleanup(void)
1230 {
1231         DBG("");
1232
1233         connman_driver_unregister(&network_driver);
1234
1235         connman_storage_unregister(&network_storage);
1236
1237         dbus_connection_unref(connection);
1238 }