openvpn: Add pushed routes
[framework/connectivity/connman.git] / src / provider.c
1 /*
2  *
3  *  Connection Manager
4  *
5  *  Copyright (C) 2007-2010  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 GHashTable *provider_hash = NULL;
35
36 static GSList *driver_list = NULL;
37
38 struct connman_route {
39         char *host;
40         char *netmask;
41         char *gateway;
42 };
43
44 struct connman_provider {
45         struct connman_element element;
46         struct connman_service *vpn_service;
47         char *identifier;
48         char *name;
49         char *type;
50         char *host;
51         char *dns;
52         char *domain;
53         GSList *route_list;
54         struct connman_provider_driver *driver;
55         void *driver_data;
56 };
57
58 void __connman_provider_append_properties(struct connman_provider *provider,
59                                                         DBusMessageIter *iter)
60 {
61         if (provider->host != NULL)
62                 connman_dbus_dict_append_basic(iter, "Host",
63                                         DBUS_TYPE_STRING, &provider->host);
64
65         if (provider->domain != NULL)
66                 connman_dbus_dict_append_basic(iter, "Domain",
67                                         DBUS_TYPE_STRING, &provider->domain);
68
69         if (provider->type != NULL)
70                 connman_dbus_dict_append_basic(iter, "Type", DBUS_TYPE_STRING,
71                                                  &provider->type);
72 }
73
74 static struct connman_provider *connman_provider_lookup(const char *identifier)
75 {
76         struct connman_provider *provider = NULL;
77
78         provider = g_hash_table_lookup(provider_hash, identifier);
79
80         return provider;
81 }
82
83 static int connman_provider_setup_vpn_ipv4(struct connman_provider *provider,
84                                                 struct connman_element *element)
85 {
86         if (element == NULL || provider == NULL)
87                 return -EINVAL;
88
89         DBG("set vpn type %d", element->type);
90
91         g_free(element->ipv4.address);
92         element->ipv4.address = g_strdup(provider->element.ipv4.address);
93
94         g_free(element->ipv4.peer);
95         element->ipv4.peer = g_strdup(provider->element.ipv4.peer);
96
97         g_free(element->ipv4.netmask);
98         element->ipv4.netmask = g_strdup(provider->element.ipv4.netmask);
99
100         g_free(element->ipv4.gateway);
101         element->ipv4.gateway = g_strdup(provider->element.ipv4.gateway);
102
103         g_free(element->ipv4.broadcast);
104         element->ipv4.broadcast = g_strdup(provider->element.ipv4.broadcast);
105
106         g_free(element->ipv4.pac);
107         element->ipv4.pac = g_strdup(provider->element.ipv4.pac);
108
109         return connman_element_register(element, &provider->element);
110 }
111
112 struct connman_provider *connman_provider_ref(struct connman_provider *provider)
113 {
114         DBG("provider %p", provider);
115
116         if (connman_element_ref(&provider->element) == NULL)
117                 return NULL;
118
119         return provider;
120 }
121
122 void connman_provider_unref(struct connman_provider *provider)
123 {
124         DBG("provider %p", provider);
125
126         connman_element_unref(&provider->element);
127 }
128
129 static gboolean match_driver(struct connman_provider *provider,
130                                 struct connman_provider_driver *driver)
131 {
132         if (g_strcmp0(driver->name, provider->type) == 0)
133                 return TRUE;
134
135         return FALSE;
136 }
137
138 static int provider_probe(struct connman_provider *provider)
139 {
140         GSList *list;
141
142         DBG("provider %p name %s", provider, provider->name);
143
144         if (provider->driver != NULL)
145                 return -EALREADY;
146
147         for (list = driver_list; list; list = list->next) {
148                 struct connman_provider_driver *driver = list->data;
149
150                 if (match_driver(provider, driver) == FALSE)
151                         continue;
152
153                 DBG("driver %p name %s", driver, driver->name);
154
155                 if (driver->probe != NULL && driver->probe(provider) == 0) {
156                         provider->driver = driver;
157                         break;
158                 }
159         }
160
161         if (provider->driver == NULL)
162                 return -ENODEV;
163
164         return 0;
165 }
166
167 int __connman_provider_disconnect(struct connman_provider *provider)
168 {
169         int err;
170
171         DBG("provider %p", provider);
172
173         if (provider->driver != NULL && provider->driver->disconnect != NULL)
174                 err = provider->driver->disconnect(provider);
175         else
176                 return -EOPNOTSUPP;
177
178         if (provider->vpn_service != NULL)
179                 __connman_service_indicate_state(provider->vpn_service,
180                                         CONNMAN_SERVICE_STATE_DISCONNECT);
181         if (err < 0) {
182                 if (err != -EINPROGRESS)
183                         return err;
184
185                 return -EINPROGRESS;
186         }
187
188         return 0;
189 }
190
191 int __connman_provider_connect(struct connman_provider *provider)
192 {
193         int err;
194
195         DBG("provider %p", provider);
196
197         g_free(provider->element.ipv4.address);
198         g_free(provider->element.ipv4.peer);
199         g_free(provider->element.ipv4.netmask);
200         g_free(provider->element.ipv4.gateway);
201         g_free(provider->element.ipv4.broadcast);
202         g_free(provider->element.ipv4.pac);
203
204         provider->element.ipv4.address = NULL;
205         provider->element.ipv4.peer = NULL;
206         provider->element.ipv4.netmask = NULL;
207         provider->element.ipv4.gateway = NULL;
208         provider->element.ipv4.broadcast = NULL;
209         provider->element.ipv4.pac = NULL;
210
211         if (provider->driver != NULL && provider->driver->connect != NULL)
212                 err = provider->driver->connect(provider);
213         else
214                 return -EOPNOTSUPP;
215
216         if (err < 0) {
217                 if (err != -EINPROGRESS)
218                         return err;
219
220                 __connman_service_indicate_state(provider->vpn_service,
221                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
222                 return -EINPROGRESS;
223         }
224
225         return 0;
226 }
227
228 int __connman_provider_remove(const char *path)
229 {
230         struct connman_provider *provider;
231         GHashTableIter iter;
232         gpointer value, key;
233
234         DBG("path %s", path);
235
236         g_hash_table_iter_init(&iter, provider_hash);
237         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
238                 const char *srv_path;
239                 provider = value;
240
241                 if (provider->vpn_service == NULL)
242                         continue;
243
244                 srv_path = __connman_service_get_path(provider->vpn_service);
245
246                 if (g_strcmp0(srv_path, path) == 0) {
247                         DBG("Removing VPN %s", provider->identifier);
248                         g_hash_table_remove(provider_hash,
249                                                 provider->identifier);
250                         return 0;
251                 }
252         }
253
254         return -ENXIO;
255 }
256
257 static int set_connected(struct connman_provider *provider,
258                                         connman_bool_t connected)
259 {
260         struct connman_service *service = provider->vpn_service;
261
262         if (service == NULL)
263                 return -ENODEV;
264
265         if (connected == TRUE) {
266                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
267                 struct connman_element *element;
268                 char *nameservers = NULL, *name = NULL;
269                 const char *value;
270                 char *second_ns;
271                 GSList *list;
272                 int err;
273
274                 __connman_service_indicate_state(provider->vpn_service,
275                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
276
277                 type = CONNMAN_ELEMENT_TYPE_IPV4;
278
279                 element = connman_element_create(NULL);
280                 if (element == NULL)
281                         return -ENOMEM;
282
283                 element->type  = type;
284                 element->index = provider->element.index;
285
286                 err = connman_provider_setup_vpn_ipv4(provider, element);
287                 if (err < 0) {
288                         connman_element_unref(element);
289
290                         __connman_service_indicate_state(service,
291                                                 CONNMAN_SERVICE_STATE_FAILURE);
292
293                         return err;
294                 }
295
296                 __connman_service_indicate_state(service,
297                                                 CONNMAN_SERVICE_STATE_READY);
298
299                 __connman_service_set_domainname(service, provider->domain);
300
301                 name = connman_inet_ifname(provider->element.index);
302
303                 nameservers = g_strdup(provider->dns);
304                 value = nameservers;
305                 second_ns = strchr(value, ' ');
306                 if (second_ns)
307                         *(second_ns++) = 0;
308                 __connman_service_append_nameserver(service, value);
309                 value = second_ns;
310
311                 while (value) {
312                         char *next = strchr(value, ' ');
313                         if (next)
314                                 *(next++) = 0;
315
316                         connman_resolver_append(name, provider->domain, value);
317                         value = next;
318                 }
319
320                 g_free(nameservers);
321                 g_free(name);
322
323                 for (list = provider->route_list; list; list = list->next) {
324                         struct connman_route *route = list->data;
325
326                         connman_inet_add_network_route(provider->element.index,
327                                                         route->host,
328                                                         route->gateway,
329                                                         route->netmask);
330                         /* XXX Need to handle IPv6 too */
331                 }
332         } else {
333                 connman_element_unregister_children(&provider->element);
334                 __connman_service_indicate_state(service,
335                                                 CONNMAN_SERVICE_STATE_IDLE);
336         }
337
338         return 0;
339 }
340
341 int connman_provider_set_state(struct connman_provider *provider,
342                                         enum connman_provider_state state)
343 {
344         if (provider == NULL || provider->vpn_service == NULL)
345                 return -EINVAL;
346
347         switch (state) {
348         case CONNMAN_PROVIDER_STATE_UNKNOWN:
349                 return -EINVAL;
350         case CONNMAN_PROVIDER_STATE_IDLE:
351                 return set_connected(provider, FALSE);
352         case CONNMAN_PROVIDER_STATE_CONNECT:
353                 return __connman_service_indicate_state(provider->vpn_service,
354                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
355         case CONNMAN_PROVIDER_STATE_READY:
356                 return set_connected(provider, TRUE);
357         case CONNMAN_PROVIDER_STATE_DISCONNECT:
358                 return __connman_service_indicate_state(provider->vpn_service,
359                                         CONNMAN_SERVICE_STATE_DISCONNECT);
360         case CONNMAN_PROVIDER_STATE_FAILURE:
361                 return __connman_service_indicate_state(provider->vpn_service,
362                                         CONNMAN_SERVICE_STATE_FAILURE);
363         }
364
365         return -EINVAL;
366 }
367
368 static void unregister_provider(gpointer data)
369 {
370         struct connman_provider *provider = data;
371         struct connman_service *service = provider->vpn_service;
372
373         DBG("provider %p", provider);
374
375         provider->vpn_service = NULL;
376         __connman_service_put(service);
377
378         connman_element_unregister(&provider->element);
379         connman_provider_unref(provider);
380 }
381
382 static void provider_destruct(struct connman_element *element)
383 {
384         struct connman_provider *provider = element->private;
385         GSList *list;
386
387         DBG("provider %p", provider);
388
389         g_free(provider->name);
390         g_free(provider->type);
391         g_free(provider->domain);
392         g_free(provider->identifier);
393         g_free(provider->dns);
394
395         for (list = provider->route_list; list; list = list->next) {
396                 struct connman_route *route = list->data;
397
398                 g_free(route->host);
399                 g_free(route->netmask);
400                 g_free(route->gateway);
401         }
402         g_slist_free(provider->route_list);
403 }
404
405 static void provider_initialize(struct connman_provider *provider)
406 {
407         DBG("provider %p", provider);
408
409         __connman_element_initialize(&provider->element);
410
411         provider->element.private = provider;
412         provider->element.destruct = provider_destruct;
413
414         provider->element.ipv4.address = NULL;
415         provider->element.ipv4.netmask = NULL;
416         provider->element.ipv4.gateway = NULL;
417         provider->element.ipv4.broadcast = NULL;
418         provider->element.ipv4.pac = NULL;
419
420         provider->name = NULL;
421         provider->type = NULL;
422         provider->dns = NULL;
423         provider->domain = NULL;
424         provider->identifier = NULL;
425         provider->route_list = NULL;
426 }
427
428 static struct connman_provider *connman_provider_new(void)
429 {
430         struct connman_provider *provider;
431
432         provider = g_try_new0(struct connman_provider, 1);
433         if (provider == NULL)
434                 return NULL;
435
436         DBG("provider %p", provider);
437         provider_initialize(provider);
438
439         return provider;
440 }
441
442 static struct connman_provider *connman_provider_get(const char *identifier)
443 {
444         struct connman_provider *provider;
445
446         provider = g_hash_table_lookup(provider_hash, identifier);
447         if (provider != NULL)
448                 return provider;
449
450         provider = connman_provider_new();
451         if (provider == NULL)
452                 return NULL;
453
454         DBG("provider %p", provider);
455
456         provider->identifier = g_strdup(identifier);
457
458         g_hash_table_insert(provider_hash, provider->identifier, provider);
459
460         provider->element.name = g_strdup(identifier);
461         connman_element_register(&provider->element, NULL);
462
463         return provider;
464 }
465
466 static void provider_dbus_ident(char *ident)
467 {
468         int i, len = strlen(ident);
469
470         for (i = 0; i < len; i++) {
471                 if (ident[i] >= '0' && ident[i] <= '9')
472                         continue;
473                 if (ident[i] >= 'a' && ident[i] <= 'z')
474                         continue;
475                 if (ident[i] >= 'A' && ident[i] <= 'Z')
476                         continue;
477                 ident[i] = '_';
478         }
479 }
480
481 int __connman_provider_create_and_connect(DBusMessage *msg)
482 {
483         struct connman_provider *provider;
484         DBusMessageIter iter, array;
485         const char *type = NULL, *name = NULL, *service_path = NULL;
486         const char *host = NULL, *domain = NULL;
487         char *ident;
488         gboolean created = FALSE;
489         int err;
490
491         dbus_message_iter_init(msg, &iter);
492         dbus_message_iter_recurse(&iter, &array);
493
494         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
495                 DBusMessageIter entry, value;
496                 const char *key;
497
498                 dbus_message_iter_recurse(&array, &entry);
499                 dbus_message_iter_get_basic(&entry, &key);
500
501                 dbus_message_iter_next(&entry);
502                 dbus_message_iter_recurse(&entry, &value);
503
504                 switch (dbus_message_iter_get_arg_type(&value)) {
505                 case DBUS_TYPE_STRING:
506                         if (g_str_equal(key, "Type") == TRUE)
507                                 dbus_message_iter_get_basic(&value, &type);
508                         else if (g_str_equal(key, "Name") == TRUE)
509                                 dbus_message_iter_get_basic(&value, &name);
510                         else if (g_str_equal(key, "Host") == TRUE)
511                                 dbus_message_iter_get_basic(&value, &host);
512                         else if (g_str_equal(key, "VPN.Domain") == TRUE)
513                                 dbus_message_iter_get_basic(&value, &domain);
514                         break;
515                 }
516
517                 dbus_message_iter_next(&array);
518         }
519
520         if (host == NULL || domain == NULL) {
521                 err = -EINVAL;
522                 goto failed;
523         }
524
525         DBG("Type %s name %s", type, name);
526
527         if (type == NULL || name == NULL) {
528                 err = -EOPNOTSUPP;
529                 goto failed;
530         }
531
532         ident = g_strdup_printf("%s_%s", host, domain);
533         provider_dbus_ident(ident);
534
535         DBG("ident %s", ident);
536
537         provider = connman_provider_lookup(ident);
538
539         if (provider == NULL) {
540                 created = TRUE;
541                 provider = connman_provider_get(ident);
542                 if (provider) {
543                         provider->host = g_strdup(host);
544                         provider->domain = g_strdup(domain);
545                         provider->name = g_strdup(name);
546                         provider->type = g_strdup(type);
547                 }
548         }
549
550         if (provider == NULL) {
551                 DBG("can not create provider");
552                 err = -EOPNOTSUPP;
553                 goto failed;
554         }
555         dbus_message_iter_init(msg, &iter);
556         dbus_message_iter_recurse(&iter, &array);
557
558         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
559                 DBusMessageIter entry, value;
560                 const char *key, *str;
561
562                 dbus_message_iter_recurse(&array, &entry);
563                 dbus_message_iter_get_basic(&entry, &key);
564
565                 dbus_message_iter_next(&entry);
566                 dbus_message_iter_recurse(&entry, &value);
567
568                 switch (dbus_message_iter_get_arg_type(&value)) {
569                 case DBUS_TYPE_STRING:
570                         dbus_message_iter_get_basic(&value, &str);
571                         connman_provider_set_string(provider, key, str);
572                         break;
573                 }
574
575                 dbus_message_iter_next(&array);
576         }
577
578         g_free(ident);
579
580         if (provider == NULL) {
581                 err = -EOPNOTSUPP;
582                 goto failed;
583         }
584
585         if (created == TRUE)
586                 provider_probe(provider);
587
588         if (provider->vpn_service == NULL)
589                 provider->vpn_service =
590                         __connman_service_create_from_provider(provider);
591         if (provider->vpn_service == NULL) {
592                 err = -EOPNOTSUPP;
593                 goto failed;
594         }
595
596         err = __connman_service_connect(provider->vpn_service);
597         if (err < 0 && err != -EINPROGRESS)
598                 goto failed;
599
600         service_path = __connman_service_get_path(provider->vpn_service);
601         g_dbus_send_reply(connection, msg,
602                                 DBUS_TYPE_OBJECT_PATH, &service_path,
603                                                         DBUS_TYPE_INVALID);
604         return 0;
605
606 failed:
607         if (provider != NULL && created == TRUE) {
608                 DBG("can not connect delete provider");
609                 connman_provider_unref(provider);
610
611                 if (provider->vpn_service != NULL) {
612                         __connman_service_put(provider->vpn_service);
613                         provider->vpn_service = NULL;
614                 }
615         }
616
617         return err;
618 }
619
620 const char * __connman_provider_get_ident(struct connman_provider *provider)
621 {
622         if (provider == NULL)
623                 return NULL;
624
625         return provider->identifier;
626 }
627
628 int connman_provider_set_string(struct connman_provider *provider,
629                                         const char *key, const char *value)
630 {
631         DBG("provider %p key %s value %s", provider, key, value);
632
633         if (g_str_equal(key, "Type") == TRUE) {
634                 g_free(provider->type);
635                 provider->type = g_strdup(value);
636         } else if (g_str_equal(key, "Name") == TRUE) {
637                 g_free(provider->name);
638                 provider->name = g_strdup(value);
639         } else if (g_str_equal(key, "Gateway") == TRUE) {
640                 g_free(provider->element.ipv4.gateway);
641                 provider->element.ipv4.gateway = g_strdup(value);
642         } else if (g_str_equal(key, "Address") == TRUE) {
643                 g_free(provider->element.ipv4.address);
644                 provider->element.ipv4.address = g_strdup(value);
645         } else if (g_str_equal(key, "Peer") == TRUE) {
646                 g_free(provider->element.ipv4.peer);
647                 provider->element.ipv4.peer = g_strdup(value);
648         } else if (g_str_equal(key, "Netmask") == TRUE) {
649                 g_free(provider->element.ipv4.netmask);
650                 provider->element.ipv4.netmask = g_strdup(value);
651         } else if (g_str_equal(key, "PAC") == TRUE) {
652                 g_free(provider->element.ipv4.pac);
653                 provider->element.ipv4.pac = g_strdup(value);
654                 __connman_service_set_proxy_autoconfig(provider->vpn_service,
655                                                                         value);
656         } else if (g_str_equal(key, "DNS") == TRUE) {
657                 g_free(provider->dns);
658                 provider->dns = g_strdup(value);
659         } else if (g_str_equal(key, "Domain") == TRUE) {
660                 g_free(provider->domain);
661                 provider->domain = g_strdup(value);
662         }
663
664         return connman_element_set_string(&provider->element, key, value);
665 }
666
667 const char *connman_provider_get_string(struct connman_provider *provider,
668                                                         const char *key)
669 {
670         DBG("provider %p key %s", provider, key);
671
672         if (g_str_equal(key, "Type") == TRUE)
673                 return provider->type;
674         else if (g_str_equal(key, "Name") == TRUE)
675                 return provider->name;
676
677         return connman_element_get_string(&provider->element, key);
678 }
679
680 void *connman_provider_get_data(struct connman_provider *provider)
681 {
682         return provider->driver_data;
683 }
684
685 void connman_provider_set_data(struct connman_provider *provider, void *data)
686 {
687         provider->driver_data = data;
688 }
689
690 void connman_provider_set_index(struct connman_provider *provider, int index)
691 {
692         struct connman_service *service = provider->vpn_service;
693         struct connman_ipconfig *ipconfig;
694
695         DBG("");
696
697         if (service == NULL)
698                 return;
699
700         ipconfig = __connman_service_get_ip4config(service);
701
702         if (ipconfig == NULL) {
703                 __connman_service_create_ip4config(service, index);
704
705                 ipconfig = __connman_service_get_ip4config(service);
706                 if (ipconfig == NULL) {
707                         DBG("Couldnt create ipconfig");
708                         goto done;
709                 }
710         }
711
712         connman_ipconfig_set_method(ipconfig, CONNMAN_IPCONFIG_METHOD_FIXED);
713         __connman_ipconfig_set_index(ipconfig, index);
714
715
716         ipconfig = __connman_service_get_ip6config(service);
717
718         if (ipconfig == NULL) {
719                 __connman_service_create_ip6config(service, index);
720
721                 ipconfig = __connman_service_get_ip6config(service);
722                 if (ipconfig == NULL) {
723                         DBG("Couldnt create ipconfig for IPv6");
724                         goto done;
725                 }
726         }
727
728         connman_ipconfig_set_method(ipconfig, CONNMAN_IPCONFIG_METHOD_OFF);
729         __connman_ipconfig_set_index(ipconfig, index);
730
731 done:
732         provider->element.index = index;
733 }
734
735 int connman_provider_get_index(struct connman_provider *provider)
736 {
737         return provider->element.index;
738 }
739
740 int connman_provider_append_route(struct connman_provider *provider,
741                                         const char *host, const char *netmask,
742                                         const char *gateway)
743 {
744         struct connman_route *route;
745
746         route = g_try_new0(struct connman_route, 1);
747         if (route == NULL)
748                 return -ENOMEM;
749
750         route->host = g_strdup(host);
751         route->netmask = g_strdup(netmask);
752         route->gateway = g_strdup(gateway);
753
754         provider->route_list = g_slist_append(provider->route_list, route);
755
756         return TRUE;
757 }
758
759 const char *connman_provider_get_driver_name(struct connman_provider *provider)
760 {
761         return provider->driver->name;
762 }
763
764 static gint compare_priority(gconstpointer a, gconstpointer b)
765 {
766         return 0;
767 }
768
769 static void clean_provider(gpointer key, gpointer value, gpointer user_data)
770 {
771         struct connman_provider *provider = value;
772
773         if (provider->driver != NULL && provider->driver->remove)
774                 provider->driver->remove(provider);
775 }
776
777 int connman_provider_driver_register(struct connman_provider_driver *driver)
778 {
779         DBG("driver %p name %s", driver, driver->name);
780
781         driver_list = g_slist_insert_sorted(driver_list, driver,
782                                                         compare_priority);
783         return 0;
784 }
785
786 void connman_provider_driver_unregister(struct connman_provider_driver *driver)
787 {
788         DBG("driver %p name %s", driver, driver->name);
789
790         driver_list = g_slist_remove(driver_list, driver);
791 }
792
793 static void provider_remove(gpointer key, gpointer value,
794                                                 gpointer user_data)
795 {
796         struct connman_provider *provider = value;
797
798         g_hash_table_remove(provider_hash, provider->identifier);
799 }
800
801 static void provider_offline_mode(connman_bool_t enabled)
802 {
803         DBG("enabled %d", enabled);
804
805         if (enabled == TRUE)
806                 g_hash_table_foreach(provider_hash, provider_remove, NULL);
807
808 }
809
810 static struct connman_notifier provider_notifier = {
811         .name                   = "provider",
812         .offline_mode           = provider_offline_mode,
813 };
814
815 int __connman_provider_init(void)
816 {
817         int err;
818
819         DBG("");
820
821         connection = connman_dbus_get_connection();
822
823         provider_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
824                                                 NULL, unregister_provider);
825
826         err = connman_notifier_register(&provider_notifier);
827         if (err < 0) {
828                 g_hash_table_destroy(provider_hash);
829                 dbus_connection_unref(connection);
830         }
831
832         return err;
833 }
834
835 void __connman_provider_cleanup(void)
836 {
837         DBG("");
838
839         connman_notifier_unregister(&provider_notifier);
840
841         g_hash_table_foreach(provider_hash, clean_provider, NULL);
842
843         g_hash_table_destroy(provider_hash);
844         provider_hash = NULL;
845
846         dbus_connection_unref(connection);
847 }