Fix the issue with service re-ordering
[platform/upstream/connman.git] / src / service.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 <stdio.h>
27 #include <string.h>
28 #include <gdbus.h>
29
30 #include "connman.h"
31
32 static DBusConnection *connection = NULL;
33
34 static GSequence *service_list = NULL;
35 static GHashTable *service_hash = NULL;
36
37 struct connman_service {
38         gint refcount;
39         char *identifier;
40         char *path;
41         enum connman_service_type type;
42         enum connman_service_mode mode;
43         enum connman_service_security security;
44         enum connman_service_state state;
45         enum connman_service_error error;
46         connman_uint8_t strength;
47         connman_bool_t favorite;
48         connman_bool_t hidden;
49         connman_bool_t ignore;
50         GTimeVal modified;
51         unsigned int order;
52         char *name;
53         char *passphrase;
54         char *profile;
55         struct connman_ipconfig *ipconfig;
56         struct connman_device *device;
57         struct connman_network *network;
58         DBusMessage *pending;
59         guint timeout;
60 };
61
62 static void append_path(gpointer value, gpointer user_data)
63 {
64         struct connman_service *service = value;
65         DBusMessageIter *iter = user_data;
66
67         if (service->path == NULL)
68                 return;
69
70         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
71                                                         &service->path);
72 }
73
74 void __connman_service_list(DBusMessageIter *iter)
75 {
76         DBG("");
77
78         g_sequence_foreach(service_list, append_path, iter);
79 }
80
81 struct find_data {
82         const char *path;
83         struct connman_service *service;
84 };
85
86 static void compare_path(gpointer value, gpointer user_data)
87 {
88         struct connman_service *service = value;
89         struct find_data *data = user_data;
90
91         if (data->service != NULL)
92                 return;
93
94         if (g_strcmp0(service->path, data->path) == 0)
95                 data->service = service;
96 }
97
98 static struct connman_service *find_service(const char *path)
99 {
100         struct find_data data = { .path = path, .service = NULL };
101
102         DBG("path %s", path);
103
104         g_sequence_foreach(service_list, compare_path, &data);
105
106         return data.service;
107 }
108
109 static const char *type2string(enum connman_service_type type)
110 {
111         switch (type) {
112         case CONNMAN_SERVICE_TYPE_UNKNOWN:
113                 break;
114         case CONNMAN_SERVICE_TYPE_ETHERNET:
115                 return "ethernet";
116         case CONNMAN_SERVICE_TYPE_WIFI:
117                 return "wifi";
118         case CONNMAN_SERVICE_TYPE_WIMAX:
119                 return "wimax";
120         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
121                 return "bluetooth";
122         case CONNMAN_SERVICE_TYPE_CELLULAR:
123                 return "cellular";
124         }
125
126         return NULL;
127 }
128
129 static const char *mode2string(enum connman_service_mode mode)
130 {
131         switch (mode) {
132         case CONNMAN_SERVICE_MODE_UNKNOWN:
133                 break;
134         case CONNMAN_SERVICE_MODE_MANAGED:
135                 return "managed";
136         case CONNMAN_SERVICE_MODE_ADHOC:
137                 return "adhoc";
138         }
139
140         return NULL;
141 }
142
143 static const char *security2string(enum connman_service_security security)
144 {
145         switch (security) {
146         case CONNMAN_SERVICE_SECURITY_UNKNOWN:
147                 break;
148         case CONNMAN_SERVICE_SECURITY_NONE:
149                 return "none";
150         case CONNMAN_SERVICE_SECURITY_WEP:
151                 return "wep";
152         case CONNMAN_SERVICE_SECURITY_WPA:
153                 return "wpa";
154         case CONNMAN_SERVICE_SECURITY_RSN:
155                 return "rsn";
156         }
157
158         return NULL;
159 }
160
161 static const char *state2string(enum connman_service_state state)
162 {
163         switch (state) {
164         case CONNMAN_SERVICE_STATE_UNKNOWN:
165                 break;
166         case CONNMAN_SERVICE_STATE_IDLE:
167                 return "idle";
168         case CONNMAN_SERVICE_STATE_CARRIER:
169                 return "carrier";
170         case CONNMAN_SERVICE_STATE_ASSOCIATION:
171                 return "association";
172         case CONNMAN_SERVICE_STATE_CONFIGURATION:
173                 return "configuration";
174         case CONNMAN_SERVICE_STATE_READY:
175                 return "ready";
176         case CONNMAN_SERVICE_STATE_DISCONNECT:
177                 return "disconnect";
178         case CONNMAN_SERVICE_STATE_FAILURE:
179                 return "failure";
180         }
181
182         return NULL;
183 }
184
185 static const char *error2string(enum connman_service_error error)
186 {
187         switch (error) {
188         case CONNMAN_SERVICE_ERROR_UNKNOWN:
189                 break;
190         case CONNMAN_SERVICE_ERROR_OUT_OF_RANGE:
191                 return "out-of-range";
192         case CONNMAN_SERVICE_ERROR_PIN_MISSING:
193                 return "pin-missing";
194         case CONNMAN_SERVICE_ERROR_DHCP_FAILED:
195                 return "dhcp-failed";
196         case CONNMAN_SERVICE_ERROR_CONNECT_FAILED:
197                 return "connect-failed";
198         }
199
200         return NULL;
201 }
202
203 static enum connman_service_error string2error(const char *error)
204 {
205         if (g_strcmp0(error, "dhcp-failed") == 0)
206                 return CONNMAN_SERVICE_ERROR_DHCP_FAILED;
207         else if (g_strcmp0(error, "pin-missing") == 0)
208                 return CONNMAN_SERVICE_ERROR_PIN_MISSING;
209
210         return CONNMAN_SERVICE_ERROR_UNKNOWN;
211 }
212
213 static void state_changed(struct connman_service *service)
214 {
215         DBusMessage *signal;
216         DBusMessageIter entry, value;
217         const char *str, *key = "State";
218
219         if (service->path == NULL)
220                 return;
221
222         str = state2string(service->state);
223         if (str == NULL)
224                 return;
225
226         signal = dbus_message_new_signal(service->path,
227                                 CONNMAN_SERVICE_INTERFACE, "PropertyChanged");
228         if (signal == NULL)
229                 return;
230
231         dbus_message_iter_init_append(signal, &entry);
232
233         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
234
235         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
236                                         DBUS_TYPE_STRING_AS_STRING, &value);
237         dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &str);
238         dbus_message_iter_close_container(&entry, &value);
239
240         g_dbus_send_message(connection, signal);
241 }
242
243 static void strength_changed(struct connman_service *service)
244 {
245         DBusMessage *signal;
246         DBusMessageIter entry, value;
247         const char *key = "Strength";
248
249         if (service->path == NULL)
250                 return;
251
252         if (service->strength == 0)
253                 return;
254
255         signal = dbus_message_new_signal(service->path,
256                                 CONNMAN_SERVICE_INTERFACE, "PropertyChanged");
257         if (signal == NULL)
258                 return;
259
260         dbus_message_iter_init_append(signal, &entry);
261
262         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
263
264         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
265                                         DBUS_TYPE_BYTE_AS_STRING, &value);
266         dbus_message_iter_append_basic(&value, DBUS_TYPE_BYTE,
267                                                         &service->strength);
268         dbus_message_iter_close_container(&entry, &value);
269
270         g_dbus_send_message(connection, signal);
271 }
272
273 static DBusMessage *get_properties(DBusConnection *conn,
274                                         DBusMessage *msg, void *user_data)
275 {
276         struct connman_service *service = user_data;
277         DBusMessage *reply;
278         DBusMessageIter array, dict;
279         const char *str;
280
281         DBG("service %p", service);
282
283         reply = dbus_message_new_method_return(msg);
284         if (reply == NULL)
285                 return NULL;
286
287         dbus_message_iter_init_append(reply, &array);
288
289         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
290                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
291                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
292                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
293
294         str = type2string(service->type);
295         if (str != NULL)
296                 connman_dbus_dict_append_variant(&dict, "Type",
297                                                 DBUS_TYPE_STRING, &str);
298
299         str = mode2string(service->mode);
300         if (str != NULL)
301                 connman_dbus_dict_append_variant(&dict, "Mode",
302                                                 DBUS_TYPE_STRING, &str);
303
304         str = security2string(service->security);
305         if (str != NULL)
306                 connman_dbus_dict_append_variant(&dict, "Security",
307                                                 DBUS_TYPE_STRING, &str);
308
309         str = state2string(service->state);
310         if (str != NULL)
311                 connman_dbus_dict_append_variant(&dict, "State",
312                                                 DBUS_TYPE_STRING, &str);
313
314         str = error2string(service->error);
315         if (str != NULL)
316                 connman_dbus_dict_append_variant(&dict, "Error",
317                                                 DBUS_TYPE_STRING, &str);
318
319         if (service->strength > 0)
320                 connman_dbus_dict_append_variant(&dict, "Strength",
321                                         DBUS_TYPE_BYTE, &service->strength);
322
323         connman_dbus_dict_append_variant(&dict, "Favorite",
324                                         DBUS_TYPE_BOOLEAN, &service->favorite);
325
326         if (service->name != NULL)
327                 connman_dbus_dict_append_variant(&dict, "Name",
328                                         DBUS_TYPE_STRING, &service->name);
329
330         if (service->passphrase != NULL &&
331                         __connman_security_check_privilege(msg,
332                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
333                 connman_dbus_dict_append_variant(&dict, "Passphrase",
334                                 DBUS_TYPE_STRING, &service->passphrase);
335
336         __connman_ipconfig_append_ipv4(service->ipconfig, &dict, "IPv4.");
337
338         dbus_message_iter_close_container(&array, &dict);
339
340         return reply;
341 }
342
343 static DBusMessage *set_property(DBusConnection *conn,
344                                         DBusMessage *msg, void *user_data)
345 {
346         struct connman_service *service = user_data;
347         DBusMessageIter iter, value;
348         const char *name;
349         int type;
350
351         DBG("service %p", service);
352
353         if (dbus_message_iter_init(msg, &iter) == FALSE)
354                 return __connman_error_invalid_arguments(msg);
355
356         dbus_message_iter_get_basic(&iter, &name);
357         dbus_message_iter_next(&iter);
358         dbus_message_iter_recurse(&iter, &value);
359
360         if (__connman_security_check_privilege(msg,
361                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
362                 return __connman_error_permission_denied(msg);
363
364         type = dbus_message_iter_get_arg_type(&value);
365
366         if (g_str_equal(name, "Passphrase") == TRUE) {
367                 const char *passphrase;
368
369                 if (type != DBUS_TYPE_STRING)
370                         return __connman_error_invalid_arguments(msg);
371
372                 if (__connman_security_check_privilege(msg,
373                                         CONNMAN_SECURITY_PRIVILEGE_SECRET) < 0)
374                         return __connman_error_permission_denied(msg);
375
376                 dbus_message_iter_get_basic(&value, &passphrase);
377
378                 g_free(service->passphrase);
379                 service->passphrase = g_strdup(passphrase);
380
381                 if (service->network != NULL)
382                         connman_network_set_string(service->network,
383                                 "WiFi.Passphrase", service->passphrase);
384
385                 __connman_storage_save_service(service);
386         } else if (g_str_has_prefix(name, "IPv4.") == TRUE) {
387                 int err;
388
389                 err = __connman_ipconfig_set_ipv4(service->ipconfig,
390                                                         name + 5, &value);
391                 if (err < 0)
392                         return __connman_error_failed(msg, -err);
393         } else
394                 return __connman_error_invalid_property(msg);
395
396         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
397 }
398
399 static void set_idle(struct connman_service *service)
400 {
401         service->state = CONNMAN_SERVICE_STATE_IDLE;
402         service->error = CONNMAN_SERVICE_ERROR_UNKNOWN;
403         state_changed(service);
404 }
405
406 static DBusMessage *clear_property(DBusConnection *conn,
407                                         DBusMessage *msg, void *user_data)
408 {
409         struct connman_service *service = user_data;
410         const char *name;
411
412         DBG("service %p", service);
413
414         dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &name,
415                                                         DBUS_TYPE_INVALID);
416
417         if (__connman_security_check_privilege(msg,
418                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
419                 return __connman_error_permission_denied(msg);
420
421         if (g_str_equal(name, "Error") == TRUE) {
422                 set_idle(service);
423
424                 g_get_current_time(&service->modified);
425                 __connman_storage_save_service(service);
426         } else
427                 return __connman_error_invalid_property(msg);
428
429         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
430 }
431
432 static connman_bool_t is_connecting(struct connman_service *service)
433 {
434         switch (service->state) {
435         case CONNMAN_SERVICE_STATE_UNKNOWN:
436         case CONNMAN_SERVICE_STATE_IDLE:
437         case CONNMAN_SERVICE_STATE_CARRIER:
438         case CONNMAN_SERVICE_STATE_FAILURE:
439         case CONNMAN_SERVICE_STATE_DISCONNECT:
440         case CONNMAN_SERVICE_STATE_READY:
441                 break;
442         case CONNMAN_SERVICE_STATE_ASSOCIATION:
443         case CONNMAN_SERVICE_STATE_CONFIGURATION:
444                 return TRUE;
445         }
446
447         return FALSE;
448 }
449
450 static connman_bool_t is_ignore(struct connman_service *service)
451 {
452         if (service->ignore == TRUE)
453                 return TRUE;
454
455         if (service->state == CONNMAN_SERVICE_STATE_FAILURE)
456                 return TRUE;
457
458         return FALSE;
459 }
460
461 void __connman_service_auto_connect(void)
462 {
463         struct connman_service *service = NULL;
464         GSequenceIter *iter;
465
466         DBG("");
467
468         iter = g_sequence_get_begin_iter(service_list);
469
470         while (g_sequence_iter_is_end(iter) == FALSE) {
471                 service = g_sequence_get(iter);
472
473                 if (service->pending != NULL)
474                         return;
475
476                 if (is_connecting(service) == TRUE)
477                         return;
478
479                 if (service->favorite == FALSE)
480                         return;
481
482                 if (service->state == CONNMAN_SERVICE_STATE_READY)
483                         return;
484
485                 if (is_ignore(service) == FALSE &&
486                                 service->state == CONNMAN_SERVICE_STATE_IDLE)
487                         break;
488
489                 service = NULL;
490
491                 iter = g_sequence_iter_next(iter);
492         }
493
494         if (service != NULL)
495                 __connman_service_connect(service);
496 }
497
498 static gboolean connect_timeout(gpointer user_data)
499 {
500         struct connman_service *service = user_data;
501         connman_bool_t auto_connect = FALSE;
502
503         DBG("service %p", service);
504
505         service->timeout = 0;
506
507         if (service->network != NULL) {
508                 connman_bool_t connected;
509
510                 connected = connman_network_get_connected(service->network);
511                 if (connected == TRUE) {
512                         __connman_service_indicate_state(service,
513                                                 CONNMAN_SERVICE_STATE_READY);
514                         return FALSE;
515                 }
516
517                 __connman_network_disconnect(service->network);
518         } else if (service->device != NULL) {
519                 connman_bool_t disconnected;
520
521                 disconnected = connman_device_get_disconnected(service->device);
522                 if (disconnected == FALSE) {
523                         __connman_service_indicate_state(service,
524                                                 CONNMAN_SERVICE_STATE_READY);
525                         return FALSE;
526                 }
527
528                 __connman_device_disconnect(service->device);
529         }
530
531         if (service->pending != NULL) {
532                 DBusMessage *reply;
533
534                 reply = __connman_error_operation_timeout(service->pending);
535                 if (reply != NULL)
536                         g_dbus_send_message(connection, reply);
537
538                 dbus_message_unref(service->pending);
539                 service->pending = NULL;
540         } else
541                 auto_connect = TRUE;
542
543         __connman_service_indicate_state(service,
544                                         CONNMAN_SERVICE_STATE_FAILURE);
545
546         if (auto_connect == TRUE)
547                 __connman_service_auto_connect();
548
549         return FALSE;
550 }
551
552 static DBusMessage *connect_service(DBusConnection *conn,
553                                         DBusMessage *msg, void *user_data)
554 {
555         struct connman_service *service = user_data;
556         int err;
557
558         DBG("service %p", service);
559
560         if (service->pending != NULL)
561                 return __connman_error_in_progress(msg);
562
563         service->ignore = FALSE;
564
565         service->pending = dbus_message_ref(msg);
566
567         err = __connman_service_connect(service);
568         if (err < 0) {
569                 if (err != -EINPROGRESS) {
570                         dbus_message_unref(service->pending);
571                         service->pending = NULL;
572
573                         return __connman_error_failed(msg, -err);
574                 }
575
576                 return NULL;
577         }
578
579         dbus_message_unref(service->pending);
580         service->pending = NULL;
581
582         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
583 }
584
585 static DBusMessage *disconnect_service(DBusConnection *conn,
586                                         DBusMessage *msg, void *user_data)
587 {
588         struct connman_service *service = user_data;
589         int err;
590
591         DBG("service %p", service);
592
593         if (service->pending != NULL) {
594                 DBusMessage *reply;
595
596                 reply = __connman_error_operation_aborted(service->pending);
597                 if (reply != NULL)
598                         g_dbus_send_message(conn, reply);
599
600                 dbus_message_unref(service->pending);
601                 service->pending = NULL;
602
603                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
604         }
605
606         service->ignore = TRUE;
607
608         err = __connman_service_disconnect(service);
609         if (err < 0) {
610                 if (err != -EINPROGRESS)
611                         return __connman_error_failed(msg, -err);
612
613                 return NULL;
614         }
615
616         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
617 }
618
619 static DBusMessage *remove_service(DBusConnection *conn,
620                                         DBusMessage *msg, void *user_data)
621 {
622         struct connman_service *service = user_data;
623
624         DBG("service %p", service);
625
626         if (service->type == CONNMAN_SERVICE_TYPE_ETHERNET)
627                 return __connman_error_not_supported(msg);
628
629         if (service->favorite == FALSE)
630                 return __connman_error_not_supported(msg);
631
632         if (service->network != NULL)
633                 __connman_network_disconnect(service->network);
634
635         g_free(service->passphrase);
636         service->passphrase = NULL;
637
638         connman_service_set_favorite(service, FALSE);
639         __connman_storage_save_service(service);
640
641         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
642 }
643
644 static DBusMessage *move_before(DBusConnection *conn,
645                                         DBusMessage *msg, void *user_data)
646 {
647         struct connman_service *service = user_data;
648         struct connman_service *target;
649         const char *path;
650         GSequenceIter *src, *dst;
651
652         DBG("service %p", service);
653
654         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
655                                                         DBUS_TYPE_INVALID);
656
657         if (service->favorite == FALSE)
658                 return __connman_error_not_supported(msg);
659
660         target = find_service(path);
661         if (target == NULL || target->favorite == FALSE || target == service)
662                 return __connman_error_invalid_service(msg);
663
664         DBG("target %s", target->identifier);
665
666         g_get_current_time(&service->modified);
667         __connman_storage_save_service(service);
668
669         src = g_hash_table_lookup(service_hash, service->identifier);
670         dst = g_hash_table_lookup(service_hash, target->identifier);
671
672         g_sequence_move(src, dst);
673
674         __connman_profile_changed(FALSE);
675
676         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
677 }
678
679 static DBusMessage *move_after(DBusConnection *conn,
680                                         DBusMessage *msg, void *user_data)
681 {
682         struct connman_service *service = user_data;
683         struct connman_service *target;
684         const char *path;
685
686         DBG("service %p", service);
687
688         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
689                                                         DBUS_TYPE_INVALID);
690
691         if (service->favorite == FALSE)
692                 return __connman_error_not_supported(msg);
693
694         target = find_service(path);
695         if (target == NULL || target->favorite == FALSE || target == service)
696                 return __connman_error_invalid_service(msg);
697
698         DBG("target %s", target->identifier);
699
700         g_get_current_time(&service->modified);
701         __connman_storage_save_service(service);
702
703         return __connman_error_not_implemented(msg);
704 }
705
706 static GDBusMethodTable service_methods[] = {
707         { "GetProperties", "",   "a{sv}", get_properties     },
708         { "SetProperty",   "sv", "",      set_property       },
709         { "ClearProperty", "s",  "",      clear_property     },
710         { "Connect",       "",   "",      connect_service,
711                                                 G_DBUS_METHOD_FLAG_ASYNC },
712         { "Disconnect",    "",   "",      disconnect_service },
713         { "Remove",        "",   "",      remove_service     },
714         { "MoveBefore",    "o",  "",      move_before        },
715         { "MoveAfter",     "o",  "",      move_after         },
716         { },
717 };
718
719 static GDBusSignalTable service_signals[] = {
720         { "PropertyChanged", "sv" },
721         { },
722 };
723
724 static void service_free(gpointer user_data)
725 {
726         struct connman_service *service = user_data;
727         char *path = service->path;
728
729         DBG("service %p", service);
730
731         g_hash_table_remove(service_hash, service->identifier);
732
733         if (service->timeout > 0) {
734                 g_source_remove(service->timeout);
735                 service->timeout = 0;
736         }
737
738         if (service->pending != NULL) {
739                 dbus_message_unref(service->pending);
740                 service->pending = NULL;
741         }
742
743         service->path = NULL;
744
745         if (path != NULL) {
746                 __connman_profile_changed(TRUE);
747
748                 g_dbus_unregister_interface(connection, path,
749                                                 CONNMAN_SERVICE_INTERFACE);
750                 g_free(path);
751         }
752
753         if (service->network != NULL)
754                 connman_network_unref(service->network);
755
756         connman_ipconfig_unref(service->ipconfig);
757
758         g_free(service->profile);
759         g_free(service->name);
760         g_free(service->passphrase);
761         g_free(service->identifier);
762         g_free(service);
763 }
764
765 static void reply_pending(struct connman_service *service, int error)
766 {
767         if (service->timeout > 0) {
768                 g_source_remove(service->timeout);
769                 service->timeout = 0;
770         }
771
772         if (service->pending != NULL) {
773                 if (error > 0) {
774                         DBusMessage *reply;
775
776                         reply = __connman_error_failed(service->pending,
777                                                                 error);
778                         if (reply != NULL)
779                                 g_dbus_send_message(connection, reply);
780                 } else
781                         g_dbus_send_reply(connection, service->pending,
782                                                         DBUS_TYPE_INVALID);
783
784                 dbus_message_unref(service->pending);
785                 service->pending = NULL;
786         }
787 }
788
789 static gboolean remove_timeout(gpointer user_data)
790 {
791         GSequenceIter *iter = user_data;
792
793         g_sequence_remove(iter);
794
795         return FALSE;
796 }
797
798 /**
799  * __connman_service_put:
800  * @service: service structure
801  *
802  * Release service if no longer needed
803  */
804 void __connman_service_put(struct connman_service *service)
805 {
806         DBG("service %p", service);
807
808         if (g_atomic_int_dec_and_test(&service->refcount) == TRUE) {
809                 GSequenceIter *iter;
810
811                 iter = g_hash_table_lookup(service_hash, service->identifier);
812                 if (iter != NULL) {
813                         reply_pending(service, EIO);
814
815                         if (service->network != NULL) {
816                                 connman_network_unref(service->network);
817                                 service->network = NULL;
818                         }
819
820                         service->state = CONNMAN_SERVICE_STATE_FAILURE;
821                         service->error = CONNMAN_SERVICE_ERROR_OUT_OF_RANGE;
822
823                         service->timeout = g_timeout_add_seconds(5,
824                                                         remove_timeout, iter);
825                 } else
826                         service_free(service);
827         }
828 }
829
830 static void __connman_service_initialize(struct connman_service *service)
831 {
832         DBG("service %p", service);
833
834         service->refcount = 1;
835
836         service->type     = CONNMAN_SERVICE_TYPE_UNKNOWN;
837         service->mode     = CONNMAN_SERVICE_MODE_UNKNOWN;
838         service->security = CONNMAN_SERVICE_SECURITY_UNKNOWN;
839         service->state    = CONNMAN_SERVICE_STATE_UNKNOWN;
840
841         service->favorite = FALSE;
842         service->hidden = FALSE;
843
844         service->ignore = FALSE;
845
846         service->order = 0;
847 }
848
849 /**
850  * connman_service_create:
851  *
852  * Allocate a new service.
853  *
854  * Returns: a newly-allocated #connman_service structure
855  */
856 struct connman_service *connman_service_create(void)
857 {
858         struct connman_service *service;
859
860         service = g_try_new0(struct connman_service, 1);
861         if (service == NULL)
862                 return NULL;
863
864         DBG("service %p", service);
865
866         __connman_service_initialize(service);
867
868         service->ipconfig = connman_ipconfig_create();
869         if (service->ipconfig == NULL) {
870                 g_free(service);
871                 return NULL;
872         }
873
874         connman_ipconfig_set_method(service->ipconfig,
875                                         CONNMAN_IPCONFIG_METHOD_DHCP);
876
877         return service;
878 }
879
880 /**
881  * connman_service_ref:
882  * @service: service structure
883  *
884  * Increase reference counter of service
885  */
886 struct connman_service *connman_service_ref(struct connman_service *service)
887 {
888         g_atomic_int_inc(&service->refcount);
889
890         return service;
891 }
892
893 /**
894  * connman_service_unref:
895  * @service: service structure
896  *
897  * Decrease reference counter of service
898  */
899 void connman_service_unref(struct connman_service *service)
900 {
901         __connman_service_put(service);
902 }
903
904 static gint service_compare(gconstpointer a, gconstpointer b,
905                                                         gpointer user_data)
906 {
907         struct connman_service *service_a = (void *) a;
908         struct connman_service *service_b = (void *) b;
909
910         if (service_a->state != service_b->state) {
911                 if (service_a->state == CONNMAN_SERVICE_STATE_READY)
912                         return -1;
913                 if (service_b->state == CONNMAN_SERVICE_STATE_READY)
914                         return 1;
915         }
916
917         if (service_a->order > service_b->order)
918                 return -1;
919
920         if (service_a->order < service_b->order)
921                 return 1;
922
923         if (service_a->favorite == TRUE && service_b->favorite == FALSE)
924                 return -1;
925
926         if (service_a->favorite == FALSE && service_b->favorite == TRUE)
927                 return 1;
928
929         return (gint) service_b->strength - (gint) service_a->strength;
930 }
931
932 /**
933  * connman_service_set_favorite:
934  * @service: service structure
935  * @favorite: favorite value
936  *
937  * Change the favorite setting of service
938  */
939 int connman_service_set_favorite(struct connman_service *service,
940                                                 connman_bool_t favorite)
941 {
942         GSequenceIter *iter;
943
944         iter = g_hash_table_lookup(service_hash, service->identifier);
945         if (iter == NULL)
946                 return -ENOENT;
947
948         if (service->favorite == favorite)
949                 return -EALREADY;
950
951         service->favorite = favorite;
952
953         g_sequence_sort_changed(iter, service_compare, NULL);
954
955         __connman_profile_changed(FALSE);
956
957         return 0;
958 }
959
960 int __connman_service_set_carrier(struct connman_service *service,
961                                                 connman_bool_t carrier)
962 {
963         DBG("service %p carrier %d", service, carrier);
964
965         if (service == NULL)
966                 return -EINVAL;
967
968         switch (service->type) {
969         case CONNMAN_SERVICE_TYPE_UNKNOWN:
970         case CONNMAN_SERVICE_TYPE_WIFI:
971         case CONNMAN_SERVICE_TYPE_WIMAX:
972         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
973         case CONNMAN_SERVICE_TYPE_CELLULAR:
974                 return -EINVAL;
975         case CONNMAN_SERVICE_TYPE_ETHERNET:
976                 break;
977         }
978
979         if (carrier == FALSE) {
980                 service->state = CONNMAN_SERVICE_STATE_DISCONNECT;
981                 state_changed(service);
982
983                 service->state = CONNMAN_SERVICE_STATE_IDLE;
984                 state_changed(service);
985         } else {
986                 service->state = CONNMAN_SERVICE_STATE_CARRIER;
987                 state_changed(service);
988         }
989
990         return connman_service_set_favorite(service, carrier);
991 }
992
993 int __connman_service_indicate_state(struct connman_service *service,
994                                         enum connman_service_state state)
995 {
996         GSequenceIter *iter;
997
998         DBG("service %p state %d", service, state);
999
1000         if (service == NULL)
1001                 return -EINVAL;
1002
1003         if (state == CONNMAN_SERVICE_STATE_CARRIER)
1004                 return __connman_service_set_carrier(service, TRUE);
1005
1006         if (service->state == state)
1007                 return -EALREADY;
1008
1009         if (service->state == CONNMAN_SERVICE_STATE_FAILURE &&
1010                                 state == CONNMAN_SERVICE_STATE_IDLE)
1011                 return -EINVAL;
1012
1013         if (service->state == CONNMAN_SERVICE_STATE_IDLE &&
1014                                 state == CONNMAN_SERVICE_STATE_DISCONNECT)
1015                 return -EINVAL;
1016
1017         if (state == CONNMAN_SERVICE_STATE_IDLE &&
1018                         service->state != CONNMAN_SERVICE_STATE_DISCONNECT) {
1019                 service->state = CONNMAN_SERVICE_STATE_DISCONNECT;
1020                 state_changed(service);
1021
1022                 __connman_service_disconnect(service);
1023         }
1024
1025         service->state = state;
1026         state_changed(service);
1027
1028         if (state == CONNMAN_SERVICE_STATE_READY) {
1029                 connman_service_set_favorite(service, TRUE);
1030
1031                 reply_pending(service, 0);
1032
1033                 g_get_current_time(&service->modified);
1034                 __connman_storage_save_service(service);
1035         }
1036
1037         if (state == CONNMAN_SERVICE_STATE_FAILURE) {
1038                 reply_pending(service, EIO);
1039
1040                 g_get_current_time(&service->modified);
1041                 __connman_storage_save_service(service);
1042         } else
1043                 service->error = CONNMAN_SERVICE_ERROR_UNKNOWN;
1044
1045         iter = g_hash_table_lookup(service_hash, service->identifier);
1046         if (iter != NULL)
1047                 g_sequence_sort_changed(iter, service_compare, NULL);
1048
1049         __connman_profile_changed(FALSE);
1050
1051         if (service->state == CONNMAN_SERVICE_STATE_IDLE ||
1052                         service->state == CONNMAN_SERVICE_STATE_FAILURE)
1053                 __connman_element_request_scan(CONNMAN_ELEMENT_TYPE_UNKNOWN);
1054
1055         return 0;
1056 }
1057
1058 int __connman_service_indicate_error(struct connman_service *service,
1059                                         enum connman_service_error error)
1060 {
1061         DBG("service %p error %d", service, error);
1062
1063         if (service == NULL)
1064                 return -EINVAL;
1065
1066         service->error = error;
1067
1068         return __connman_service_indicate_state(service,
1069                                         CONNMAN_SERVICE_STATE_FAILURE);
1070 }
1071
1072 int __connman_service_indicate_default(struct connman_service *service)
1073 {
1074         DBG("service %p", service);
1075
1076         return 0;
1077 }
1078
1079 int __connman_service_connect(struct connman_service *service)
1080 {
1081         int err;
1082
1083         DBG("service %p", service);
1084
1085         if (service->state == CONNMAN_SERVICE_STATE_READY)
1086                 return -EISCONN;
1087
1088         if (is_connecting(service) == TRUE)
1089                 return -EALREADY;
1090
1091         if (service->network != NULL) {
1092                 unsigned int ssid_len;
1093
1094                 if (connman_network_get_blob(service->network, "WiFi.SSID",
1095                                                      &ssid_len) == NULL)
1096                         return -EINVAL;
1097
1098                 connman_network_set_string(service->network,
1099                                 "WiFi.Passphrase", service->passphrase);
1100
1101                 err = __connman_network_connect(service->network);
1102         } else if (service->device != NULL) {
1103                 if (service->favorite == FALSE)
1104                         return -ENOLINK;
1105
1106                 err = __connman_device_connect(service->device);
1107         } else
1108                 return -EOPNOTSUPP;
1109
1110         if (err < 0) {
1111                 if (err != -EINPROGRESS)
1112                         return err;
1113
1114                 service->timeout = g_timeout_add_seconds(45,
1115                                                 connect_timeout, service);
1116
1117                 return -EINPROGRESS;
1118         }
1119
1120         return 0;
1121 }
1122
1123 int __connman_service_disconnect(struct connman_service *service)
1124 {
1125         int err;
1126
1127         DBG("service %p", service);
1128
1129         if (service->network != NULL) {
1130                 err = __connman_network_disconnect(service->network);
1131         } else if (service->device != NULL) {
1132                 if (service->favorite == FALSE)
1133                         return -ENOLINK;
1134                 err = __connman_device_disconnect(service->device);
1135         } else
1136                 return -EOPNOTSUPP;
1137
1138         if (err < 0) {
1139                 if (err != -EINPROGRESS)
1140                         return err;
1141
1142                 return -EINPROGRESS;
1143         }
1144
1145         return 0;
1146 }
1147
1148 /**
1149  * __connman_service_lookup:
1150  * @identifier: service identifier
1151  *
1152  * Look up a service by identifier (reference count will not be increased)
1153  */
1154 static struct connman_service *__connman_service_lookup(const char *identifier)
1155 {
1156         GSequenceIter *iter;
1157
1158         iter = g_hash_table_lookup(service_hash, identifier);
1159         if (iter != NULL)
1160                 return g_sequence_get(iter);
1161
1162         return NULL;
1163 }
1164
1165 int __connman_service_create_and_connect(DBusMessage *msg)
1166 {
1167         struct connman_service *service;
1168         struct connman_device *device;
1169         DBusMessageIter iter, array;
1170         const char *mode = "managed", *security = "none";
1171         const char *type = NULL, *ssid = NULL, *passphrase = NULL;
1172         const char *ident;
1173         char *name, *group;
1174         int err;
1175
1176         dbus_message_iter_init(msg, &iter);
1177         dbus_message_iter_recurse(&iter, &array);
1178
1179         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
1180                 DBusMessageIter entry, value;
1181                 const char *key;
1182
1183                 dbus_message_iter_recurse(&array, &entry);
1184                 dbus_message_iter_get_basic(&entry, &key);
1185
1186                 dbus_message_iter_next(&entry);
1187                 dbus_message_iter_recurse(&entry, &value);
1188
1189                 switch (dbus_message_iter_get_arg_type(&value)) {
1190                 case DBUS_TYPE_STRING:
1191                         if (g_str_equal(key, "Type") == TRUE)
1192                                 dbus_message_iter_get_basic(&value, &type);
1193                         else if (g_str_equal(key, "WiFi.Mode") == TRUE ||
1194                                         g_str_equal(key, "Mode") == TRUE)
1195                                 dbus_message_iter_get_basic(&value, &mode);
1196                         else if (g_str_equal(key, "WiFi.Security") == TRUE ||
1197                                         g_str_equal(key, "Security") == TRUE)
1198                                 dbus_message_iter_get_basic(&value, &security);
1199                         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE ||
1200                                         g_str_equal(key, "Passphrase") == TRUE)
1201                                 dbus_message_iter_get_basic(&value, &passphrase);
1202                         else if (g_str_equal(key, "WiFi.SSID") == TRUE ||
1203                                         g_str_equal(key, "SSID") == TRUE)
1204                                 dbus_message_iter_get_basic(&value, &ssid);
1205                 }
1206
1207                 dbus_message_iter_next(&array);
1208         }
1209
1210         if (type == NULL)
1211                 return -EINVAL;
1212
1213         if (g_strcmp0(type, "wifi") != 0 || g_strcmp0(mode, "managed") != 0)
1214                 return -EOPNOTSUPP;
1215
1216         if (ssid == NULL)
1217                 return -EINVAL;
1218
1219         device = __connman_element_find_device(CONNMAN_DEVICE_TYPE_WIFI);
1220         if (device == NULL)
1221                 return -EOPNOTSUPP;
1222
1223         ident = __connman_device_get_ident(device);
1224         if (ident == NULL)
1225                 return -EOPNOTSUPP;
1226
1227         group = connman_wifi_build_group_name((unsigned char *) ssid,
1228                                                 strlen(ssid), mode, security);
1229         if (group == NULL)
1230                 return -EINVAL;
1231
1232         name = g_strdup_printf("%s_%s_%s", type, ident, group);
1233
1234         g_free(group);
1235
1236         service = __connman_service_lookup(name);
1237
1238         g_free(name);
1239
1240         if (service != NULL) {
1241                 if (passphrase != NULL) {
1242                         g_free(service->passphrase);
1243                         service->passphrase = g_strdup(passphrase);
1244                 }
1245
1246                 err = __connman_service_connect(service);
1247                 if (err < 0 && err != -EINPROGRESS)
1248                         return err;
1249
1250                 g_dbus_send_reply(connection, msg,
1251                                         DBUS_TYPE_OBJECT_PATH, &service->path,
1252                                                         DBUS_TYPE_INVALID);
1253
1254                 return 0;
1255         }
1256
1257         return -EOPNOTSUPP;
1258 }
1259
1260 /**
1261  * __connman_service_get:
1262  * @identifier: service identifier
1263  *
1264  * Look up a service by identifier or create a new one if not found
1265  */
1266 static struct connman_service *__connman_service_get(const char *identifier)
1267 {
1268         struct connman_service *service;
1269         GSequenceIter *iter;
1270
1271         iter = g_hash_table_lookup(service_hash, identifier);
1272         if (iter != NULL) {
1273                 service = g_sequence_get(iter);
1274                 if (service != NULL)
1275                         g_atomic_int_inc(&service->refcount);
1276                 return service;
1277         }
1278
1279         service = connman_service_create();
1280         if (service == NULL)
1281                 return NULL;
1282
1283         DBG("service %p", service);
1284
1285         service->identifier = g_strdup(identifier);
1286
1287         service->profile = g_strdup(__connman_profile_active_ident());
1288
1289         __connman_storage_load_service(service);
1290
1291         iter = g_sequence_insert_sorted(service_list, service,
1292                                                 service_compare, NULL);
1293
1294         g_hash_table_insert(service_hash, service->identifier, iter);
1295
1296         return service;
1297 }
1298
1299 static int service_register(struct connman_service *service)
1300 {
1301         const char *path = __connman_profile_active_path();
1302         GSequenceIter *iter;
1303
1304         DBG("service %p", service);
1305
1306         if (service->path != NULL)
1307                 return -EALREADY;
1308
1309         service->path = g_strdup_printf("%s/%s", path, service->identifier);
1310
1311         DBG("path %s", service->path);
1312
1313         g_dbus_register_interface(connection, service->path,
1314                                         CONNMAN_SERVICE_INTERFACE,
1315                                         service_methods, service_signals,
1316                                                         NULL, service, NULL);
1317
1318         __connman_storage_load_service(service);
1319
1320         iter = g_hash_table_lookup(service_hash, service->identifier);
1321         if (iter != NULL)
1322                 g_sequence_sort_changed(iter, service_compare, NULL);
1323
1324         __connman_profile_changed(TRUE);
1325
1326         return 0;
1327 }
1328
1329 /**
1330  * connman_service_lookup_from_device:
1331  * @device: device structure
1332  *
1333  * Look up a service by device (reference count will not be increased)
1334  */
1335 struct connman_service *__connman_service_lookup_from_device(struct connman_device *device)
1336 {
1337         struct connman_service *service;
1338         const char *ident;
1339         char *name;
1340
1341         ident = __connman_device_get_ident(device);
1342         if (ident == NULL)
1343                 return NULL;
1344
1345         name = g_strdup_printf("%s_%s",
1346                                 __connman_device_get_type(device), ident);
1347
1348         service = __connman_service_lookup(name);
1349
1350         g_free(name);
1351
1352         return service;
1353 }
1354
1355 static enum connman_service_type convert_device_type(struct connman_device *device)
1356 {
1357         enum connman_device_type type = connman_device_get_type(device);
1358
1359         switch (type) {
1360         case CONNMAN_DEVICE_TYPE_UNKNOWN:
1361         case CONNMAN_DEVICE_TYPE_VENDOR:
1362         case CONNMAN_DEVICE_TYPE_WIFI:
1363         case CONNMAN_DEVICE_TYPE_WIMAX:
1364         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
1365         case CONNMAN_DEVICE_TYPE_GPS:
1366         case CONNMAN_DEVICE_TYPE_MBM:
1367         case CONNMAN_DEVICE_TYPE_HSO:
1368         case CONNMAN_DEVICE_TYPE_NOZOMI:
1369         case CONNMAN_DEVICE_TYPE_HUAWEI:
1370         case CONNMAN_DEVICE_TYPE_NOVATEL:
1371                 break;
1372         case CONNMAN_DEVICE_TYPE_ETHERNET:
1373                 return CONNMAN_SERVICE_TYPE_ETHERNET;
1374         }
1375
1376         return CONNMAN_SERVICE_TYPE_UNKNOWN;
1377 }
1378
1379 /**
1380  * connman_service_create_from_device:
1381  * @device: device structure
1382  *
1383  * Look up service by device and if not found, create one
1384  */
1385 struct connman_service *__connman_service_create_from_device(struct connman_device *device)
1386 {
1387         struct connman_service *service;
1388         const char *ident;
1389         char *name;
1390
1391         ident = __connman_device_get_ident(device);
1392         if (ident == NULL)
1393                 return NULL;
1394
1395         name = g_strdup_printf("%s_%s",
1396                                 __connman_device_get_type(device), ident);
1397
1398         service = __connman_service_get(name);
1399         if (service == NULL)
1400                 goto done;
1401
1402         if (service->path != NULL) {
1403                 __connman_service_put(service);
1404                 service = NULL;
1405                 goto done;
1406         }
1407
1408         service->type = convert_device_type(device);
1409
1410         service->device = device;
1411
1412         service_register(service);
1413
1414         if (service->favorite == TRUE)
1415                 __connman_service_auto_connect();
1416
1417 done:
1418         g_free(name);
1419
1420         return service;
1421 }
1422
1423 /**
1424  * connman_service_lookup_from_network:
1425  * @network: network structure
1426  *
1427  * Look up a service by network (reference count will not be increased)
1428  */
1429 struct connman_service *__connman_service_lookup_from_network(struct connman_network *network)
1430 {
1431         struct connman_service *service;
1432         const char *ident, *group;
1433         char *name;
1434
1435         ident = __connman_network_get_ident(network);
1436         if (ident == NULL)
1437                 return NULL;
1438
1439         group = connman_network_get_group(network);
1440         if (group == NULL)
1441                 return NULL;
1442
1443         name = g_strdup_printf("%s_%s_%s",
1444                         __connman_network_get_type(network), ident, group);
1445
1446         service = __connman_service_lookup(name);
1447
1448         g_free(name);
1449
1450         return service;
1451 }
1452
1453 unsigned int __connman_service_get_order(struct connman_service *service)
1454 {
1455         GSequenceIter *iter;
1456
1457         if (service == NULL)
1458                 return 0;
1459
1460         if (service->favorite == FALSE) {
1461                 service->order = 0;
1462                 goto done;
1463         }
1464
1465         iter = g_hash_table_lookup(service_hash, service->identifier);
1466         if (iter != NULL) {
1467                 if (g_sequence_iter_get_position(iter) == 0)
1468                         service->order = 1;
1469                 else
1470                         service->order = 0;
1471         }
1472
1473 done:
1474         return service->order;
1475 }
1476
1477 static enum connman_service_type convert_network_type(struct connman_network *network)
1478 {
1479         enum connman_network_type type = connman_network_get_type(network);
1480
1481         switch (type) {
1482         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1483         case CONNMAN_NETWORK_TYPE_VENDOR:
1484         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1485         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1486                 break;
1487         case CONNMAN_NETWORK_TYPE_MBM:
1488         case CONNMAN_NETWORK_TYPE_HSO:
1489                 return CONNMAN_SERVICE_TYPE_CELLULAR;
1490         case CONNMAN_NETWORK_TYPE_WIFI:
1491                 return CONNMAN_SERVICE_TYPE_WIFI;
1492         case CONNMAN_NETWORK_TYPE_WIMAX:
1493                 return CONNMAN_SERVICE_TYPE_WIMAX;
1494         }
1495
1496         return CONNMAN_SERVICE_TYPE_UNKNOWN;
1497 }
1498
1499 static enum connman_service_mode convert_wifi_mode(const char *mode)
1500 {
1501         if (mode == NULL)
1502                 return CONNMAN_SERVICE_MODE_UNKNOWN;
1503         else if (g_str_equal(mode, "managed") == TRUE)
1504                 return CONNMAN_SERVICE_MODE_MANAGED;
1505         else if (g_str_equal(mode, "adhoc") == TRUE)
1506                 return CONNMAN_SERVICE_MODE_ADHOC;
1507         else
1508                 return CONNMAN_SERVICE_MODE_UNKNOWN;
1509 }
1510
1511 static enum connman_service_mode convert_wifi_security(const char *security)
1512 {
1513         if (security == NULL)
1514                 return CONNMAN_SERVICE_SECURITY_UNKNOWN;
1515         else if (g_str_equal(security, "none") == TRUE)
1516                 return CONNMAN_SERVICE_SECURITY_NONE;
1517         else if (g_str_equal(security, "wep") == TRUE)
1518                 return CONNMAN_SERVICE_SECURITY_WEP;
1519         else if (g_str_equal(security, "wpa") == TRUE)
1520                 return CONNMAN_SERVICE_SECURITY_WPA;
1521         else if (g_str_equal(security, "rsn") == TRUE)
1522                 return CONNMAN_SERVICE_SECURITY_RSN;
1523         else
1524                 return CONNMAN_SERVICE_SECURITY_UNKNOWN;
1525 }
1526
1527 static void update_from_network(struct connman_service *service,
1528                                         struct connman_network *network)
1529 {
1530         connman_uint8_t strength = service->strength;
1531         GSequenceIter *iter;
1532         const char *str;
1533
1534         if (service->state == CONNMAN_SERVICE_STATE_READY)
1535                 return;
1536
1537         if (is_connecting(service) == TRUE)
1538                 return;
1539
1540         str = connman_network_get_string(network, "Name");
1541         if (str != NULL) {
1542                 g_free(service->name);
1543                 service->name = g_strdup(str);
1544                 service->hidden = FALSE;
1545         } else {
1546                 g_free(service->name);
1547                 service->name = NULL;
1548                 service->hidden = TRUE;
1549         }
1550
1551         service->strength = connman_network_get_uint8(network, "Strength");
1552
1553         str = connman_network_get_string(network, "WiFi.Mode");
1554         service->mode = convert_wifi_mode(str);
1555
1556         str = connman_network_get_string(network, "WiFi.Security");
1557         service->security = convert_wifi_security(str);
1558
1559         if (service->strength > strength && service->network != NULL) {
1560                 connman_network_unref(service->network);
1561                 service->network = connman_network_ref(network);
1562
1563                 strength_changed(service);
1564         }
1565
1566         if (service->network == NULL)
1567                 service->network = connman_network_ref(network);
1568
1569         iter = g_hash_table_lookup(service_hash, service->identifier);
1570         if (iter != NULL)
1571                 g_sequence_sort_changed(iter, service_compare, NULL);
1572 }
1573
1574 /**
1575  * connman_service_create_from_network:
1576  * @network: network structure
1577  *
1578  * Look up service by network and if not found, create one
1579  */
1580 struct connman_service *__connman_service_create_from_network(struct connman_network *network)
1581 {
1582         struct connman_service *service;
1583         const char *ident, *group;
1584         char *name;
1585
1586         service = __connman_service_lookup_from_network(network);
1587         if (service != NULL) {
1588                 if (service->timeout > 0 && service->pending == NULL) {
1589                         g_source_remove(service->timeout);
1590                         service->timeout = 0;
1591
1592                         set_idle(service);
1593                 }
1594
1595                 update_from_network(service, network);
1596                 return service;
1597         }
1598
1599         ident = __connman_network_get_ident(network);
1600         if (ident == NULL)
1601                 return NULL;
1602
1603         group = connman_network_get_group(network);
1604         if (group == NULL)
1605                 return NULL;
1606
1607         if (__connman_network_get_weakness(network) == TRUE)
1608                 return NULL;
1609
1610         name = g_strdup_printf("%s_%s_%s",
1611                         __connman_network_get_type(network), ident, group);
1612
1613         service = __connman_service_get(name);
1614         if (service == NULL)
1615                 goto done;
1616
1617         if (service->path != NULL) {
1618                 update_from_network(service, network);
1619
1620                 __connman_profile_changed(TRUE);
1621
1622                 __connman_service_put(service);
1623                 service = NULL;
1624                 goto done;
1625         }
1626
1627         service->type = convert_network_type(network);
1628
1629         service->state = CONNMAN_SERVICE_STATE_IDLE;
1630
1631         update_from_network(service, network);
1632
1633         service_register(service);
1634
1635         if (service->favorite == TRUE)
1636                 __connman_service_auto_connect();
1637
1638 done:
1639         g_free(name);
1640
1641         return service;
1642 }
1643
1644 static int service_load(struct connman_service *service)
1645 {
1646         GKeyFile *keyfile;
1647         gchar *pathname, *data = NULL;
1648         gsize length;
1649         gchar *str;
1650         unsigned int ssid_len;
1651         int err = 0;
1652
1653         DBG("service %p", service);
1654
1655         if (service->profile == NULL)
1656                 return -EINVAL;
1657
1658         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, service->profile);
1659         if (pathname == NULL)
1660                 return -ENOMEM;
1661
1662         keyfile = g_key_file_new();
1663
1664         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1665                 g_free(pathname);
1666                 return -ENOENT;
1667         }
1668
1669         g_free(pathname);
1670
1671         if (g_key_file_load_from_data(keyfile, data, length,
1672                                                         0, NULL) == FALSE) {
1673                 g_free(data);
1674                 return -EILSEQ;
1675         }
1676
1677         g_free(data);
1678
1679         switch (service->type) {
1680         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1681         case CONNMAN_SERVICE_TYPE_ETHERNET:
1682                 break;
1683         case CONNMAN_SERVICE_TYPE_WIFI:
1684                 if (service->name == NULL) {
1685                         gchar *name;
1686
1687                         name = g_key_file_get_string(keyfile,
1688                                         service->identifier, "Name", NULL);
1689                         if (name != NULL) {
1690                                 g_free(service->name);
1691                                 service->name = name;
1692                         }
1693
1694                         if (service->network != NULL)
1695                                 connman_network_set_name(service->network,
1696                                                                         name);
1697                 }
1698
1699                 if (service->network &&
1700                                 connman_network_get_blob(service->network,
1701                                         "WiFi.SSID", &ssid_len) == NULL) {
1702                         gchar *hex_ssid;
1703
1704                         hex_ssid = g_key_file_get_string(keyfile,
1705                                                         service->identifier,
1706                                                                 "SSID", NULL);
1707
1708                         if (hex_ssid != NULL) {
1709                                 gchar *ssid;
1710                                 unsigned int i, j = 0, hex;
1711                                 size_t hex_ssid_len = strlen(hex_ssid);
1712
1713                                 ssid = g_try_malloc0(hex_ssid_len / 2);
1714                                 if (ssid == NULL) {
1715                                         g_free(hex_ssid);
1716                                         err = -ENOMEM;
1717                                         goto done;
1718                                 }
1719
1720                                 for (i = 0; i < hex_ssid_len; i += 2) {
1721                                         sscanf(hex_ssid + i, "%02x", &hex);
1722                                         ssid[j++] = hex;
1723                                 }
1724
1725                                 connman_network_set_blob(service->network,
1726                                         "WiFi.SSID", ssid, hex_ssid_len / 2);
1727                         }
1728
1729                         g_free(hex_ssid);
1730                 }
1731                 /* fall through */
1732
1733         case CONNMAN_SERVICE_TYPE_WIMAX:
1734         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
1735         case CONNMAN_SERVICE_TYPE_CELLULAR:
1736                 service->favorite = g_key_file_get_boolean(keyfile,
1737                                 service->identifier, "Favorite", NULL);
1738
1739                 str = g_key_file_get_string(keyfile,
1740                                 service->identifier, "Failure", NULL);
1741                 if (str != NULL) {
1742                         service->state = CONNMAN_SERVICE_STATE_FAILURE;
1743                         service->error = string2error(str);
1744                 }
1745                 break;
1746         }
1747
1748         str = g_key_file_get_string(keyfile,
1749                                 service->identifier, "Modified", NULL);
1750         if (str != NULL) {
1751                 g_time_val_from_iso8601(str, &service->modified);
1752                 g_free(str);
1753         }
1754
1755         str = g_key_file_get_string(keyfile,
1756                                 service->identifier, "Passphrase", NULL);
1757         if (str != NULL) {
1758                 g_free(service->passphrase);
1759                 service->passphrase = str;
1760         }
1761
1762         __connman_ipconfig_load(service->ipconfig, keyfile,
1763                                         service->identifier, "IPv4.");
1764
1765 done:
1766         g_key_file_free(keyfile);
1767
1768         return err;
1769 }
1770
1771 static int service_save(struct connman_service *service)
1772 {
1773         GKeyFile *keyfile;
1774         gchar *pathname, *data = NULL;
1775         gsize length;
1776         gchar *str;
1777         int err = 0;
1778
1779         DBG("service %p", service);
1780
1781         if (service->profile == NULL)
1782                 return -EINVAL;
1783
1784         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, service->profile);
1785         if (pathname == NULL)
1786                 return -ENOMEM;
1787
1788         keyfile = g_key_file_new();
1789
1790         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1791                 goto update;
1792
1793         if (length > 0) {
1794                 if (g_key_file_load_from_data(keyfile, data, length,
1795                                                         0, NULL) == FALSE)
1796                         goto done;
1797         }
1798
1799         g_free(data);
1800
1801 update:
1802         if (service->name != NULL)
1803                 g_key_file_set_string(keyfile, service->identifier,
1804                                                 "Name", service->name);
1805
1806         switch (service->type) {
1807         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1808         case CONNMAN_SERVICE_TYPE_ETHERNET:
1809                 break;
1810         case CONNMAN_SERVICE_TYPE_WIFI:
1811                 if (service->network) {
1812                         const unsigned char *ssid;
1813                         unsigned int ssid_len = 0;
1814
1815                         ssid = connman_network_get_blob(service->network,
1816                                                         "WiFi.SSID", &ssid_len);
1817
1818                         if (ssid != NULL && ssid_len > 0 && ssid[0] != '\0') {
1819                                 char *identifier = service->identifier;
1820                                 GString *str;
1821                                 unsigned int i;
1822
1823                                 str = g_string_sized_new(ssid_len * 2);
1824                                 if (str == NULL) {
1825                                         err = -ENOMEM;
1826                                         goto done;
1827                                 }
1828
1829                                 for (i = 0; i < ssid_len; i++)
1830                                         g_string_append_printf(str,
1831                                                         "%02x", ssid[i]);
1832
1833                                 g_key_file_set_string(keyfile, identifier,
1834                                                         "SSID", str->str);
1835
1836                                 g_string_free(str, TRUE);
1837                         }
1838                 }
1839                 /* fall through */
1840
1841         case CONNMAN_SERVICE_TYPE_WIMAX:
1842         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
1843         case CONNMAN_SERVICE_TYPE_CELLULAR:
1844                 g_key_file_set_boolean(keyfile, service->identifier,
1845                                         "Favorite", service->favorite);
1846
1847                 if (service->state == CONNMAN_SERVICE_STATE_FAILURE) {
1848                         const char *failure = error2string(service->error);
1849                         if (failure != NULL)
1850                                 g_key_file_set_string(keyfile,
1851                                                         service->identifier,
1852                                                         "Failure", failure);
1853                 } else {
1854                         g_key_file_remove_key(keyfile, service->identifier,
1855                                                         "Failure", NULL);
1856                 }
1857                 break;
1858         }
1859
1860         str = g_time_val_to_iso8601(&service->modified);
1861         if (str != NULL) {
1862                 g_key_file_set_string(keyfile, service->identifier,
1863                                                         "Modified", str);
1864                 g_free(str);
1865         }
1866
1867         if (service->passphrase != NULL)
1868                 g_key_file_set_string(keyfile, service->identifier,
1869                                         "Passphrase", service->passphrase);
1870         else
1871                 g_key_file_remove_key(keyfile, service->identifier,
1872                                                         "Passphrase", NULL);
1873
1874         __connman_ipconfig_save(service->ipconfig, keyfile,
1875                                         service->identifier, "IPv4.");
1876
1877         data = g_key_file_to_data(keyfile, &length, NULL);
1878
1879         if (g_file_set_contents(pathname, data, length, NULL) == FALSE)
1880                 connman_error("Failed to store service information");
1881
1882 done:
1883         g_free(data);
1884
1885         g_key_file_free(keyfile);
1886
1887         g_free(pathname);
1888
1889         return err;
1890 }
1891
1892 static struct connman_storage service_storage = {
1893         .name           = "service",
1894         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1895         .service_load   = service_load,
1896         .service_save   = service_save,
1897 };
1898
1899 int __connman_service_init(void)
1900 {
1901         DBG("");
1902
1903         connection = connman_dbus_get_connection();
1904
1905         if (connman_storage_register(&service_storage) < 0)
1906                 connman_error("Failed to register service storage");
1907
1908         service_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
1909                                                                 NULL, NULL);
1910
1911         service_list = g_sequence_new(service_free);
1912
1913         return 0;
1914 }
1915
1916 void __connman_service_cleanup(void)
1917 {
1918         DBG("");
1919
1920         g_sequence_free(service_list);
1921         service_list = NULL;
1922
1923         g_hash_table_destroy(service_hash);
1924         service_hash = NULL;
1925
1926         connman_storage_unregister(&service_storage);
1927
1928         dbus_connection_unref(connection);
1929 }