Merge "Add support for WPS2-PSK security type in Security property of service interfa...
[platform/upstream/connman.git] / src / config.c
1 /*
2  *
3  *  Connection Manager
4  *
5  *  Copyright (C) 2007-2013  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 <errno.h>
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <unistd.h>
30 #include <string.h>
31 #include <sys/vfs.h>
32 #include <sys/inotify.h>
33 #include <netdb.h>
34 #include <glib.h>
35
36 #include <connman/provision.h>
37 #include <connman/ipaddress.h>
38 #include "connman.h"
39
40 struct connman_config_service {
41         char *ident;
42         char *name;
43         char *type;
44         void *ssid;
45         unsigned int ssid_len;
46         char *eap;
47         char *identity;
48         char *ca_cert_file;
49         char *client_cert_file;
50         char *private_key_file;
51         char *private_key_passphrase;
52         char *private_key_passphrase_type;
53         char *phase2;
54         char *passphrase;
55         enum connman_service_security security;
56         GSList *service_identifiers;
57         char *config_ident; /* file prefix */
58         char *config_entry; /* entry name */
59         bool hidden;
60         bool virtual;
61         char *virtual_file;
62         char *ipv4_address;
63         char *ipv4_netmask;
64         char *ipv4_gateway;
65         char *ipv6_address;
66         unsigned char ipv6_prefix_length;
67         char *ipv6_gateway;
68         char *ipv6_privacy;
69         char *mac;
70         char **nameservers;
71         char **search_domains;
72         char **timeservers;
73         char *domain_name;
74 };
75
76 struct connman_config {
77         char *ident;
78         char *name;
79         char *description;
80         GHashTable *service_table;
81 };
82
83 static GHashTable *config_table = NULL;
84
85 static bool cleanup = false;
86
87 /* Definition of possible strings in the .config files */
88 #define CONFIG_KEY_NAME                "Name"
89 #define CONFIG_KEY_DESC                "Description"
90
91 #define SERVICE_KEY_TYPE               "Type"
92 #define SERVICE_KEY_NAME               "Name"
93 #define SERVICE_KEY_SSID               "SSID"
94 #define SERVICE_KEY_EAP                "EAP"
95 #define SERVICE_KEY_CA_CERT            "CACertFile"
96 #define SERVICE_KEY_CL_CERT            "ClientCertFile"
97 #define SERVICE_KEY_PRV_KEY            "PrivateKeyFile"
98 #define SERVICE_KEY_PRV_KEY_PASS       "PrivateKeyPassphrase"
99 #define SERVICE_KEY_PRV_KEY_PASS_TYPE  "PrivateKeyPassphraseType"
100 #define SERVICE_KEY_IDENTITY           "Identity"
101 #define SERVICE_KEY_PHASE2             "Phase2"
102 #define SERVICE_KEY_PASSPHRASE         "Passphrase"
103 #define SERVICE_KEY_SECURITY           "Security"
104 #define SERVICE_KEY_HIDDEN             "Hidden"
105
106 #define SERVICE_KEY_IPv4               "IPv4"
107 #define SERVICE_KEY_IPv6               "IPv6"
108 #define SERVICE_KEY_IPv6_PRIVACY       "IPv6.Privacy"
109 #define SERVICE_KEY_MAC                "MAC"
110 #define SERVICE_KEY_NAMESERVERS        "Nameservers"
111 #define SERVICE_KEY_SEARCH_DOMAINS     "SearchDomains"
112 #define SERVICE_KEY_TIMESERVERS        "Timeservers"
113 #define SERVICE_KEY_DOMAIN             "Domain"
114
115 static const char *config_possible_keys[] = {
116         CONFIG_KEY_NAME,
117         CONFIG_KEY_DESC,
118         NULL,
119 };
120
121 static const char *service_possible_keys[] = {
122         SERVICE_KEY_TYPE,
123         SERVICE_KEY_NAME,
124         SERVICE_KEY_SSID,
125         SERVICE_KEY_EAP,
126         SERVICE_KEY_CA_CERT,
127         SERVICE_KEY_CL_CERT,
128         SERVICE_KEY_PRV_KEY,
129         SERVICE_KEY_PRV_KEY_PASS,
130         SERVICE_KEY_PRV_KEY_PASS_TYPE,
131         SERVICE_KEY_IDENTITY,
132         SERVICE_KEY_PHASE2,
133         SERVICE_KEY_PASSPHRASE,
134         SERVICE_KEY_SECURITY,
135         SERVICE_KEY_HIDDEN,
136         SERVICE_KEY_IPv4,
137         SERVICE_KEY_IPv6,
138         SERVICE_KEY_IPv6_PRIVACY,
139         SERVICE_KEY_MAC,
140         SERVICE_KEY_NAMESERVERS,
141         SERVICE_KEY_SEARCH_DOMAINS,
142         SERVICE_KEY_TIMESERVERS,
143         SERVICE_KEY_DOMAIN,
144         NULL,
145 };
146
147 static void unregister_config(gpointer data)
148 {
149         struct connman_config *config = data;
150
151         connman_info("Removing configuration %s", config->ident);
152
153         g_hash_table_destroy(config->service_table);
154
155         g_free(config->description);
156         g_free(config->name);
157         g_free(config->ident);
158         g_free(config);
159 }
160
161 static void unregister_service(gpointer data)
162 {
163         struct connman_config_service *config_service = data;
164         struct connman_service *service;
165         char *service_id;
166         GSList *list;
167
168         if (cleanup)
169                 goto free_only;
170
171         connman_info("Removing service configuration %s",
172                                                 config_service->ident);
173
174         if (config_service->virtual)
175                 goto free_only;
176
177         for (list = config_service->service_identifiers; list;
178                                                         list = list->next) {
179                 service_id = list->data;
180
181                 service = __connman_service_lookup_from_ident(service_id);
182                 if (service) {
183                         __connman_service_set_immutable(service, false);
184                         __connman_service_set_config(service, NULL, NULL);
185                         __connman_service_remove(service);
186
187                         /*
188                          * Ethernet or gadget service cannot be removed by
189                          * __connman_service_remove() so reset the ipconfig
190                          * here.
191                          */
192                         if (connman_service_get_type(service) ==
193                                                 CONNMAN_SERVICE_TYPE_ETHERNET ||
194                                         connman_service_get_type(service) ==
195                                                 CONNMAN_SERVICE_TYPE_GADGET) {
196                                 __connman_service_disconnect(service);
197                                 __connman_service_reset_ipconfig(service,
198                                         CONNMAN_IPCONFIG_TYPE_IPV4, NULL, NULL);
199                                 __connman_service_reset_ipconfig(service,
200                                         CONNMAN_IPCONFIG_TYPE_IPV6, NULL, NULL);
201                                 __connman_service_set_ignore(service, true);
202
203                                 /*
204                                  * After these operations, user needs to
205                                  * reconnect ethernet cable to get IP
206                                  * address.
207                                  */
208                         }
209                 }
210
211                 if (!__connman_storage_remove_service(service_id))
212                         DBG("Could not remove all files for service %s",
213                                                                 service_id);
214         }
215
216 free_only:
217         g_free(config_service->ident);
218         g_free(config_service->type);
219         g_free(config_service->name);
220         g_free(config_service->ssid);
221         g_free(config_service->eap);
222         g_free(config_service->identity);
223         g_free(config_service->ca_cert_file);
224         g_free(config_service->client_cert_file);
225         g_free(config_service->private_key_file);
226         g_free(config_service->private_key_passphrase);
227         g_free(config_service->private_key_passphrase_type);
228         g_free(config_service->phase2);
229         g_free(config_service->passphrase);
230         g_free(config_service->ipv4_address);
231         g_free(config_service->ipv4_gateway);
232         g_free(config_service->ipv4_netmask);
233         g_free(config_service->ipv6_address);
234         g_free(config_service->ipv6_gateway);
235         g_free(config_service->ipv6_privacy);
236         g_free(config_service->mac);
237         g_strfreev(config_service->nameservers);
238         g_strfreev(config_service->search_domains);
239         g_strfreev(config_service->timeservers);
240         g_free(config_service->domain_name);
241         g_slist_free_full(config_service->service_identifiers, g_free);
242         g_free(config_service->config_ident);
243         g_free(config_service->config_entry);
244         g_free(config_service->virtual_file);
245         g_free(config_service);
246 }
247
248 static void check_keys(GKeyFile *keyfile, const char *group,
249                         const char **possible_keys)
250 {
251         char **avail_keys;
252         gsize nb_avail_keys, i, j;
253
254         avail_keys = g_key_file_get_keys(keyfile, group, &nb_avail_keys, NULL);
255         if (!avail_keys)
256                 return;
257
258         /*
259          * For each key in the configuration file,
260          * verify it is understood by connman
261          */
262         for (i = 0 ; i < nb_avail_keys; i++) {
263                 for (j = 0; possible_keys[j] ; j++)
264                         if (g_strcmp0(avail_keys[i], possible_keys[j]) == 0)
265                                 break;
266
267                 if (!possible_keys[j])
268                         connman_warn("Unknown configuration key %s in [%s]",
269                                         avail_keys[i], group);
270         }
271
272         g_strfreev(avail_keys);
273 }
274
275 static int check_family(const char *address, int expected_family)
276 {
277         int family;
278         int err = 0;
279
280         family = connman_inet_check_ipaddress(address);
281         if (family < 0) {
282                 DBG("Cannot get address family of %s (%d/%s)", address,
283                         family, gai_strerror(family));
284                 err = -EINVAL;
285                 goto out;
286         }
287
288         switch (family) {
289         case AF_INET:
290                 if (expected_family != AF_INET) {
291                         DBG("Wrong type address %s, expecting IPv4", address);
292                         err = -EINVAL;
293                         goto out;
294                 }
295                 break;
296         case AF_INET6:
297                 if (expected_family != AF_INET6) {
298                         DBG("Wrong type address %s, expecting IPv6", address);
299                         err = -EINVAL;
300                         goto out;
301                 }
302                 break;
303         default:
304                 DBG("Unsupported address family %d", family);
305                 err = -EINVAL;
306                 goto out;
307         }
308
309 out:
310         return err;
311 }
312
313 static int parse_address(const char *address_str, int address_family,
314                         char **address, char **netmask, char **gateway)
315 {
316         char *addr_str, *mask_str, *gw_str;
317         int err = 0;
318         char **route;
319
320         route = g_strsplit(address_str, "/", 0);
321         if (!route)
322                 return -EINVAL;
323
324         addr_str = route[0];
325         if (!addr_str || addr_str[0] == '\0') {
326                 err = -EINVAL;
327                 goto out;
328         }
329
330         if ((err = check_family(addr_str, address_family)) < 0)
331                 goto out;
332
333         mask_str = route[1];
334         if (!mask_str || mask_str[0] == '\0') {
335                 err = -EINVAL;
336                 goto out;
337         }
338
339         gw_str = route[2];
340         if (gw_str && gw_str[0]) {
341                 if ((err = check_family(gw_str, address_family)) < 0)
342                         goto out;
343         }
344
345         g_free(*address);
346         *address = g_strdup(addr_str);
347
348         g_free(*netmask);
349         *netmask = g_strdup(mask_str);
350
351         g_free(*gateway);
352         *gateway = g_strdup(gw_str);
353
354         if (*gateway)
355                 DBG("address %s/%s via %s", *address, *netmask, *gateway);
356         else
357                 DBG("address %s/%s", *address, *netmask);
358
359 out:
360         g_strfreev(route);
361
362         return err;
363 }
364
365 static bool check_address(char *address_str, char **address)
366 {
367         if (g_ascii_strcasecmp(address_str, "auto") == 0 ||
368                         g_ascii_strcasecmp(address_str, "dhcp") == 0 ||
369                         g_ascii_strcasecmp(address_str, "off") == 0) {
370                 *address = address_str;
371                 return false;
372         }
373
374         return true;
375 }
376
377 static bool load_service_generic(GKeyFile *keyfile,
378                         const char *group, struct connman_config *config,
379                         struct connman_config_service *service)
380 {
381         char *str, *mask;
382         char **strlist;
383         gsize length;
384
385         str = __connman_config_get_string(keyfile, group, SERVICE_KEY_IPv4, NULL);
386         if (str && check_address(str, &service->ipv4_address)) {
387                 mask = NULL;
388
389                 if (parse_address(str, AF_INET, &service->ipv4_address,
390                                         &mask, &service->ipv4_gateway) < 0) {
391                         connman_warn("Invalid format for IPv4 address %s",
392                                                                         str);
393                         g_free(str);
394                         goto err;
395                 }
396
397                 if (!g_strrstr(mask, ".")) {
398                         /* We have netmask length */
399                         in_addr_t addr;
400                         struct in_addr netmask_in;
401                         unsigned char prefix_len = 32;
402                         char *ptr;
403                         long int value = strtol(mask, &ptr, 10);
404
405                         if (ptr != mask && *ptr == '\0' && value && value <= 32)
406                                 prefix_len = value;
407
408                         addr = 0xffffffff << (32 - prefix_len);
409                         netmask_in.s_addr = htonl(addr);
410                         service->ipv4_netmask =
411                                 g_strdup(inet_ntoa(netmask_in));
412
413                         g_free(mask);
414                 } else
415                         service->ipv4_netmask = mask;
416
417                 g_free(str);
418         }
419
420         str =  __connman_config_get_string(keyfile, group, SERVICE_KEY_IPv6, NULL);
421         if (str && check_address(str, &service->ipv6_address)) {
422                 long int value;
423                 char *ptr;
424
425                 mask = NULL;
426
427                 if (parse_address(str, AF_INET6, &service->ipv6_address,
428                                         &mask, &service->ipv6_gateway) < 0) {
429                         connman_warn("Invalid format for IPv6 address %s",
430                                                                         str);
431                         g_free(str);
432                         goto err;
433                 }
434
435                 value = strtol(mask, &ptr, 10);
436                 if (ptr != mask && *ptr == '\0' && value <= 128)
437                         service->ipv6_prefix_length = value;
438                 else
439                         service->ipv6_prefix_length = 128;
440
441                 g_free(mask);
442                 g_free(str);
443         }
444
445         str = __connman_config_get_string(keyfile, group, SERVICE_KEY_IPv6_PRIVACY,
446                                                                         NULL);
447         if (str) {
448                 g_free(service->ipv6_privacy);
449                 service->ipv6_privacy = str;
450         }
451
452         str = __connman_config_get_string(keyfile, group, SERVICE_KEY_MAC, NULL);
453         if (str) {
454                 g_free(service->mac);
455                 service->mac = str;
456         }
457
458         str = __connman_config_get_string(keyfile, group, SERVICE_KEY_DOMAIN, NULL);
459         if (str) {
460                 g_free(service->domain_name);
461                 service->domain_name = str;
462         }
463
464         strlist = __connman_config_get_string_list(keyfile, group,
465                                         SERVICE_KEY_NAMESERVERS,
466                                         &length, NULL);
467         if (strlist) {
468                 if (length != 0) {
469                         g_strfreev(service->nameservers);
470                         service->nameservers = strlist;
471                 } else
472                         g_strfreev(strlist);
473         }
474
475         strlist = __connman_config_get_string_list(keyfile, group,
476                                         SERVICE_KEY_SEARCH_DOMAINS,
477                                         &length, NULL);
478         if (strlist) {
479                 if (length != 0) {
480                         g_strfreev(service->search_domains);
481                         service->search_domains = strlist;
482                 } else
483                         g_strfreev(strlist);
484         }
485
486         strlist = __connman_config_get_string_list(keyfile, group,
487                                         SERVICE_KEY_TIMESERVERS,
488                                         &length, NULL);
489         if (strlist) {
490                 if (length != 0) {
491                         g_strfreev(service->timeservers);
492                         service->timeservers = strlist;
493                 } else
494                         g_strfreev(strlist);
495         }
496
497         return true;
498
499 err:
500         g_free(service->ident);
501         g_free(service->type);
502         g_free(service->ipv4_address);
503         g_free(service->ipv4_netmask);
504         g_free(service->ipv4_gateway);
505         g_free(service->ipv6_address);
506         g_free(service->ipv6_gateway);
507         g_free(service->mac);
508         g_free(service);
509
510         return false;
511 }
512
513 static bool load_service(GKeyFile *keyfile, const char *group,
514                                                 struct connman_config *config)
515 {
516         struct connman_config_service *service;
517         const char *ident;
518         char *str, *hex_ssid;
519         enum connman_service_security security;
520         bool service_created = false;
521
522         /* Strip off "service_" prefix */
523         ident = group + 8;
524
525         if (strlen(ident) < 1)
526                 return false;
527
528         /* Verify that provided keys are good */
529         check_keys(keyfile, group, service_possible_keys);
530
531         service = g_hash_table_lookup(config->service_table, ident);
532         if (!service) {
533                 service = g_try_new0(struct connman_config_service, 1);
534                 if (!service)
535                         return false;
536
537                 service->ident = g_strdup(ident);
538
539                 service_created = true;
540         }
541
542         str = __connman_config_get_string(keyfile, group, SERVICE_KEY_TYPE, NULL);
543         if (str) {
544                 g_free(service->type);
545                 service->type = str;
546         } else {
547                 DBG("Type of the configured service is missing for group %s",
548                                                                         group);
549                 goto err;
550         }
551
552         if (!load_service_generic(keyfile, group, config, service))
553                 return false;
554
555         if (g_strcmp0(str, "ethernet") == 0) {
556                 service->config_ident = g_strdup(config->ident);
557                 service->config_entry = g_strdup_printf("service_%s",
558                                                         service->ident);
559
560                 g_hash_table_insert(config->service_table, service->ident,
561                                                                 service);
562                 return true;
563         }
564
565         str = __connman_config_get_string(keyfile, group, SERVICE_KEY_NAME, NULL);
566         if (str) {
567                 g_free(service->name);
568                 service->name = str;
569         }
570
571         hex_ssid = __connman_config_get_string(keyfile, group, SERVICE_KEY_SSID,
572                                          NULL);
573         if (hex_ssid) {
574                 char *ssid;
575                 unsigned int i, j = 0, hex;
576                 size_t hex_ssid_len = strlen(hex_ssid);
577
578                 ssid = g_try_malloc0(hex_ssid_len / 2);
579                 if (!ssid) {
580                         g_free(hex_ssid);
581                         goto err;
582                 }
583
584                 for (i = 0; i < hex_ssid_len; i += 2) {
585                         if (sscanf(hex_ssid + i, "%02x", &hex) <= 0) {
586                                 connman_warn("Invalid SSID %s", hex_ssid);
587                                 g_free(ssid);
588                                 g_free(hex_ssid);
589                                 goto err;
590                         }
591                         ssid[j++] = hex;
592                 }
593
594                 g_free(hex_ssid);
595
596                 g_free(service->ssid);
597                 service->ssid = ssid;
598                 service->ssid_len = hex_ssid_len / 2;
599         } else if (service->name) {
600                 char *ssid;
601                 unsigned int ssid_len;
602
603                 ssid_len = strlen(service->name);
604                 ssid = g_try_malloc0(ssid_len);
605                 if (!ssid)
606                         goto err;
607
608                 memcpy(ssid, service->name, ssid_len);
609                 g_free(service->ssid);
610                 service->ssid = ssid;
611                 service->ssid_len = ssid_len;
612         }
613
614         str = __connman_config_get_string(keyfile, group, SERVICE_KEY_EAP, NULL);
615         if (str) {
616                 g_free(service->eap);
617                 service->eap = str;
618         }
619
620         str = __connman_config_get_string(keyfile, group, SERVICE_KEY_CA_CERT, NULL);
621         if (str) {
622                 g_free(service->ca_cert_file);
623                 service->ca_cert_file = str;
624         }
625
626         str = __connman_config_get_string(keyfile, group, SERVICE_KEY_CL_CERT, NULL);
627         if (str) {
628                 g_free(service->client_cert_file);
629                 service->client_cert_file = str;
630         }
631
632         str = __connman_config_get_string(keyfile, group, SERVICE_KEY_PRV_KEY, NULL);
633         if (str) {
634                 g_free(service->private_key_file);
635                 service->private_key_file = str;
636         }
637
638         str = __connman_config_get_string(keyfile, group,
639                                                 SERVICE_KEY_PRV_KEY_PASS, NULL);
640         if (str) {
641                 g_free(service->private_key_passphrase);
642                 service->private_key_passphrase = str;
643         }
644
645         str = __connman_config_get_string(keyfile, group,
646                                         SERVICE_KEY_PRV_KEY_PASS_TYPE, NULL);
647         if (str) {
648                 g_free(service->private_key_passphrase_type);
649                 service->private_key_passphrase_type = str;
650         }
651
652         str = __connman_config_get_string(keyfile, group, SERVICE_KEY_IDENTITY, NULL);
653         if (str) {
654                 g_free(service->identity);
655                 service->identity = str;
656         }
657
658         str = __connman_config_get_string(keyfile, group, SERVICE_KEY_PHASE2, NULL);
659         if (str) {
660                 g_free(service->phase2);
661                 service->phase2 = str;
662         }
663
664         str = __connman_config_get_string(keyfile, group, SERVICE_KEY_PASSPHRASE,
665                                         NULL);
666         if (str) {
667                 g_free(service->passphrase);
668                 service->passphrase = str;
669         }
670
671         str = __connman_config_get_string(keyfile, group, SERVICE_KEY_SECURITY,
672                         NULL);
673         security = __connman_service_string2security(str);
674
675         if (service->eap) {
676
677                 if (str && security != CONNMAN_SERVICE_SECURITY_8021X)
678                         connman_info("Mismatch between EAP configuration and "
679                                         "setting %s = %s",
680                                         SERVICE_KEY_SECURITY, str);
681
682                 service->security = CONNMAN_SERVICE_SECURITY_8021X;
683
684         } else if (service->passphrase) {
685
686                 if (str) {
687                         if (security == CONNMAN_SERVICE_SECURITY_PSK ||
688 #if defined TIZEN_EXT
689                             security == CONNMAN_SERVICE_SECURITY_RSN ||
690 #endif
691                                         security == CONNMAN_SERVICE_SECURITY_WEP) {
692                                 service->security = security;
693                         } else {
694                                 connman_info("Mismatch with passphrase and "
695                                                 "setting %s = %s",
696                                                 SERVICE_KEY_SECURITY, str);
697
698                                 service->security =
699                                         CONNMAN_SERVICE_SECURITY_PSK;
700                         }
701
702                 } else
703                         service->security = CONNMAN_SERVICE_SECURITY_PSK;
704         }
705
706         service->config_ident = g_strdup(config->ident);
707         service->config_entry = g_strdup_printf("service_%s", service->ident);
708
709         service->hidden = __connman_config_get_bool(keyfile, group,
710                                                 SERVICE_KEY_HIDDEN, NULL);
711
712         if (service_created)
713                 g_hash_table_insert(config->service_table, service->ident,
714                                         service);
715
716         connman_info("Adding service configuration %s", service->ident);
717
718         return true;
719
720 err:
721         if (service_created) {
722                 g_free(service->ident);
723                 g_free(service->type);
724                 g_free(service->name);
725                 g_free(service->ssid);
726                 g_free(service);
727         }
728
729         return false;
730 }
731
732 static bool load_service_from_keyfile(GKeyFile *keyfile,
733                                                 struct connman_config *config)
734 {
735         bool found = false;
736         char **groups;
737         int i;
738
739         groups = g_key_file_get_groups(keyfile, NULL);
740
741         for (i = 0; groups[i]; i++) {
742                 if (!g_str_has_prefix(groups[i], "service_"))
743                         continue;
744                 if (load_service(keyfile, groups[i], config))
745                         found = true;
746         }
747
748         g_strfreev(groups);
749
750         return found;
751 }
752
753 static int load_config(struct connman_config *config)
754 {
755         GKeyFile *keyfile;
756         char *str;
757
758         DBG("config %p", config);
759
760         keyfile = __connman_storage_load_config(config->ident);
761         if (!keyfile)
762                 return -EIO;
763
764         g_key_file_set_list_separator(keyfile, ',');
765
766         /* Verify keys validity of the global section */
767         check_keys(keyfile, "global", config_possible_keys);
768
769         str = __connman_config_get_string(keyfile, "global", CONFIG_KEY_NAME, NULL);
770         if (str) {
771                 g_free(config->name);
772                 config->name = str;
773         }
774
775         str = __connman_config_get_string(keyfile, "global", CONFIG_KEY_DESC, NULL);
776         if (str) {
777                 g_free(config->description);
778                 config->description = str;
779         }
780
781         if (!load_service_from_keyfile(keyfile, config))
782                 connman_warn("Config file %s/%s.config does not contain any "
783                         "configuration that can be provisioned!",
784                         STORAGEDIR, config->ident);
785
786         g_key_file_free(keyfile);
787
788         return 0;
789 }
790
791 static struct connman_config *create_config(const char *ident)
792 {
793         struct connman_config *config;
794
795         DBG("ident %s", ident);
796
797         if (g_hash_table_lookup(config_table, ident))
798                 return NULL;
799
800         config = g_try_new0(struct connman_config, 1);
801         if (!config)
802                 return NULL;
803
804         config->ident = g_strdup(ident);
805
806         config->service_table = g_hash_table_new_full(g_str_hash, g_str_equal,
807                                                 NULL, unregister_service);
808
809         g_hash_table_insert(config_table, config->ident, config);
810
811         connman_info("Adding configuration %s", config->ident);
812
813         return config;
814 }
815
816 static bool validate_ident(const char *ident)
817 {
818         unsigned int i;
819
820         if (!ident)
821                 return false;
822
823         for (i = 0; i < strlen(ident); i++)
824                 if (!g_ascii_isprint(ident[i]))
825                         return false;
826
827         return true;
828 }
829
830 static int read_configs(void)
831 {
832         GDir *dir;
833
834         DBG("");
835
836         dir = g_dir_open(STORAGEDIR, 0, NULL);
837         if (dir) {
838                 const gchar *file;
839
840                 while ((file = g_dir_read_name(dir))) {
841                         GString *str;
842                         gchar *ident;
843
844                         if (!g_str_has_suffix(file, ".config"))
845                                 continue;
846
847                         ident = g_strrstr(file, ".config");
848                         if (!ident)
849                                 continue;
850
851                         str = g_string_new_len(file, ident - file);
852                         if (!str)
853                                 continue;
854
855                         ident = g_string_free(str, FALSE);
856
857                         if (validate_ident(ident)) {
858                                 struct connman_config *config;
859
860                                 config = create_config(ident);
861                                 if (config)
862                                         load_config(config);
863                         } else {
864                                 connman_error("Invalid config ident %s", ident);
865                         }
866                         g_free(ident);
867                 }
868
869                 g_dir_close(dir);
870         }
871
872         return 0;
873 }
874
875 static void config_notify_handler(struct inotify_event *event,
876                                         const char *ident)
877 {
878         char *ext;
879
880         if (!ident)
881                 return;
882
883         if (!g_str_has_suffix(ident, ".config"))
884                 return;
885
886         ext = g_strrstr(ident, ".config");
887         if (!ext)
888                 return;
889
890         *ext = '\0';
891
892         if (!validate_ident(ident)) {
893                 connman_error("Invalid config ident %s", ident);
894                 return;
895         }
896
897         if (event->mask & IN_CREATE || event->mask & IN_MOVED_TO)
898                 create_config(ident);
899
900         if (event->mask & IN_MODIFY) {
901                 struct connman_config *config;
902
903                 config = g_hash_table_lookup(config_table, ident);
904                 if (config) {
905                         int ret;
906
907                         g_hash_table_remove_all(config->service_table);
908                         load_config(config);
909                         ret = __connman_service_provision_changed(ident);
910                         if (ret > 0) {
911                                 /*
912                                  * Re-scan the config file for any
913                                  * changes
914                                  */
915                                 g_hash_table_remove_all(config->service_table);
916                                 load_config(config);
917                                 __connman_service_provision_changed(ident);
918                         }
919                 }
920         }
921
922         if (event->mask & IN_DELETE)
923                 g_hash_table_remove(config_table, ident);
924 }
925
926 int __connman_config_init(void)
927 {
928         DBG("");
929
930         config_table = g_hash_table_new_full(g_str_hash, g_str_equal,
931                                                 NULL, unregister_config);
932
933         connman_inotify_register(STORAGEDIR, config_notify_handler);
934
935         return read_configs();
936 }
937
938 void __connman_config_cleanup(void)
939 {
940         DBG("");
941
942         cleanup = true;
943
944         connman_inotify_unregister(STORAGEDIR, config_notify_handler);
945
946         g_hash_table_destroy(config_table);
947         config_table = NULL;
948
949         cleanup = false;
950 }
951
952 char *__connman_config_get_string(GKeyFile *key_file,
953         const char *group_name, const char *key, GError **error)
954 {
955         char *str = g_key_file_get_string(key_file, group_name, key, error);
956         if (!str)
957                 return NULL;
958
959         return g_strchomp(str);
960 }
961
962 char **__connman_config_get_string_list(GKeyFile *key_file,
963         const char *group_name, const char *key, gsize *length, GError **error)
964 {
965         char **p;
966         char **strlist = g_key_file_get_string_list(key_file, group_name, key,
967                 length, error);
968         if (!strlist)
969                 return NULL;
970
971         p = strlist;
972         while (*p) {
973                 *p = g_strstrip(*p);
974                 p++;
975         }
976
977         return strlist;
978 }
979
980 bool __connman_config_get_bool(GKeyFile *key_file,
981         const char *group_name, const char *key, GError **error)
982 {
983         char *valstr;
984         bool val = false;
985
986         valstr = g_key_file_get_value(key_file, group_name, key, error);
987         if (!valstr)
988                 return false;
989
990         valstr = g_strchomp(valstr);
991         if (strcmp(valstr, "true") == 0 || strcmp(valstr, "1") == 0)
992                 val = true;
993
994         g_free(valstr);
995
996         return val;
997 }
998
999 static char *config_pem_fsid(const char *pem_file)
1000 {
1001         struct statfs buf;
1002         unsigned *fsid = (unsigned *) &buf.f_fsid;
1003         unsigned long long fsid64;
1004
1005         if (!pem_file)
1006                 return NULL;
1007
1008         if (statfs(pem_file, &buf) < 0) {
1009                 connman_error("statfs error %s for %s",
1010                                                 strerror(errno), pem_file);
1011                 return NULL;
1012         }
1013
1014         fsid64 = ((unsigned long long) fsid[0] << 32) | fsid[1];
1015
1016         return g_strdup_printf("%llx", fsid64);
1017 }
1018
1019 static void provision_service_wifi(struct connman_config_service *config,
1020                                 struct connman_service *service,
1021                                 struct connman_network *network,
1022                                 const void *ssid, unsigned int ssid_len)
1023 {
1024         if (config->eap)
1025                 __connman_service_set_string(service, "EAP", config->eap);
1026
1027         if (config->identity)
1028                 __connman_service_set_string(service, "Identity",
1029                                                         config->identity);
1030
1031         if (config->ca_cert_file)
1032                 __connman_service_set_string(service, "CACertFile",
1033                                                         config->ca_cert_file);
1034
1035         if (config->client_cert_file)
1036                 __connman_service_set_string(service, "ClientCertFile",
1037                                                 config->client_cert_file);
1038
1039         if (config->private_key_file)
1040                 __connman_service_set_string(service, "PrivateKeyFile",
1041                                                 config->private_key_file);
1042
1043         if (g_strcmp0(config->private_key_passphrase_type, "fsid") == 0 &&
1044                                         config->private_key_file) {
1045                 char *fsid;
1046
1047                 fsid = config_pem_fsid(config->private_key_file);
1048                 if (!fsid)
1049                         return;
1050
1051                 g_free(config->private_key_passphrase);
1052                 config->private_key_passphrase = fsid;
1053         }
1054
1055         if (config->private_key_passphrase) {
1056                 __connman_service_set_string(service, "PrivateKeyPassphrase",
1057                                                 config->private_key_passphrase);
1058                 /*
1059                  * TODO: Support for PEAP with both identity and key passwd.
1060                  * In that case, we should check if both of them are found
1061                  * from the config file. If not, we should not set the
1062                  * service passphrase in order for the UI to request for an
1063                  * additional passphrase.
1064                  */
1065         }
1066
1067         if (config->phase2)
1068                 __connman_service_set_string(service, "Phase2", config->phase2);
1069
1070         if (config->passphrase)
1071                 __connman_service_set_string(service, "Passphrase",
1072                                                 config->passphrase);
1073
1074         if (config->hidden)
1075                 __connman_service_set_hidden(service);
1076 }
1077
1078 struct connect_virtual {
1079         struct connman_service *service;
1080         const char *vfile;
1081 };
1082
1083 static gboolean remove_virtual_config(gpointer user_data)
1084 {
1085         struct connect_virtual *virtual = user_data;
1086
1087         __connman_service_connect(virtual->service,
1088                                 CONNMAN_SERVICE_CONNECT_REASON_AUTO);
1089         g_hash_table_remove(config_table, virtual->vfile);
1090
1091         g_free(virtual);
1092
1093         return FALSE;
1094 }
1095
1096 static int try_provision_service(struct connman_config_service *config,
1097                                 struct connman_service *service)
1098 {
1099         struct connman_network *network;
1100         const void *service_id;
1101         enum connman_service_type type;
1102         const void *ssid;
1103         unsigned int ssid_len;
1104
1105         network = __connman_service_get_network(service);
1106         if (!network) {
1107                 connman_error("Service has no network set");
1108                 return -EINVAL;
1109         }
1110
1111         DBG("network %p ident %s", network,
1112                                 connman_network_get_identifier(network));
1113
1114         type = connman_service_get_type(service);
1115
1116         switch(type) {
1117         case CONNMAN_SERVICE_TYPE_WIFI:
1118                 if (__connman_service_string2type(config->type) != type)
1119                         return -ENOENT;
1120
1121                 ssid = connman_network_get_blob(network, "WiFi.SSID",
1122                                                 &ssid_len);
1123                 if (!ssid) {
1124                         connman_error("Network SSID not set");
1125                         return -EINVAL;
1126                 }
1127
1128                 if (!config->ssid || ssid_len != config->ssid_len)
1129                         return -ENOENT;
1130
1131                 if (memcmp(config->ssid, ssid, ssid_len))
1132                         return -ENOENT;
1133
1134                 break;
1135
1136         case CONNMAN_SERVICE_TYPE_ETHERNET:
1137         case CONNMAN_SERVICE_TYPE_GADGET:
1138
1139                 if (__connman_service_string2type(config->type) != type)
1140                         return -ENOENT;
1141
1142                 break;
1143
1144         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1145         case CONNMAN_SERVICE_TYPE_SYSTEM:
1146         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
1147         case CONNMAN_SERVICE_TYPE_CELLULAR:
1148         case CONNMAN_SERVICE_TYPE_GPS:
1149         case CONNMAN_SERVICE_TYPE_VPN:
1150         case CONNMAN_SERVICE_TYPE_P2P:
1151
1152                 return -ENOENT;
1153         }
1154
1155         DBG("service %p ident %s", service,
1156                                         __connman_service_get_ident(service));
1157
1158         if (config->mac) {
1159                 struct connman_device *device;
1160                 const char *device_addr;
1161
1162                 device = connman_network_get_device(network);
1163                 if (!device) {
1164                         connman_error("Network device is missing");
1165                         return -ENODEV;
1166                 }
1167
1168                 device_addr = connman_device_get_string(device, "Address");
1169
1170                 DBG("wants %s has %s", config->mac, device_addr);
1171
1172                 if (g_ascii_strcasecmp(device_addr, config->mac) != 0)
1173                         return -ENOENT;
1174         }
1175
1176         if (!config->ipv6_address) {
1177                 connman_network_set_ipv6_method(network,
1178                                                 CONNMAN_IPCONFIG_METHOD_AUTO);
1179         } else if (g_ascii_strcasecmp(config->ipv6_address, "off") == 0) {
1180                 connman_network_set_ipv6_method(network,
1181                                                 CONNMAN_IPCONFIG_METHOD_OFF);
1182         } else if (g_ascii_strcasecmp(config->ipv6_address, "auto") == 0 ||
1183                         g_ascii_strcasecmp(config->ipv6_address, "dhcp") == 0) {
1184                 connman_network_set_ipv6_method(network,
1185                                                 CONNMAN_IPCONFIG_METHOD_AUTO);
1186         } else {
1187                 struct connman_ipaddress *address;
1188
1189                 if (config->ipv6_prefix_length == 0) {
1190                         DBG("IPv6 prefix missing");
1191                         return -EINVAL;
1192                 }
1193
1194                 address = connman_ipaddress_alloc(AF_INET6);
1195                 if (!address)
1196                         return -ENOENT;
1197
1198                 connman_ipaddress_set_ipv6(address, config->ipv6_address,
1199                                         config->ipv6_prefix_length,
1200                                         config->ipv6_gateway);
1201
1202                 connman_network_set_ipv6_method(network,
1203                                                 CONNMAN_IPCONFIG_METHOD_FIXED);
1204
1205                 if (connman_network_set_ipaddress(network, address) < 0)
1206                         DBG("Unable to set IPv6 address to network %p",
1207                                                                 network);
1208
1209                 connman_ipaddress_free(address);
1210         }
1211
1212         if (config->ipv6_privacy) {
1213                 struct connman_ipconfig *ipconfig;
1214
1215                 ipconfig = __connman_service_get_ip6config(service);
1216                 if (ipconfig)
1217                         __connman_ipconfig_ipv6_set_privacy(ipconfig,
1218                                                         config->ipv6_privacy);
1219         }
1220
1221         if (!config->ipv4_address) {
1222                 connman_network_set_ipv4_method(network,
1223                                                 CONNMAN_IPCONFIG_METHOD_DHCP);
1224         } else if (g_ascii_strcasecmp(config->ipv4_address, "off") == 0) {
1225                 connman_network_set_ipv4_method(network,
1226                                                 CONNMAN_IPCONFIG_METHOD_OFF);
1227         } else if (g_ascii_strcasecmp(config->ipv4_address, "auto") == 0 ||
1228                         g_ascii_strcasecmp(config->ipv4_address, "dhcp") == 0) {
1229                 connman_network_set_ipv4_method(network,
1230                                                 CONNMAN_IPCONFIG_METHOD_DHCP);
1231         } else {
1232                 struct connman_ipaddress *address;
1233
1234                 if (!config->ipv4_netmask) {
1235                         DBG("IPv4 netmask missing");
1236                         return -EINVAL;
1237                 }
1238
1239                 address = connman_ipaddress_alloc(AF_INET);
1240                 if (!address)
1241                         return -ENOENT;
1242
1243                 connman_ipaddress_set_ipv4(address, config->ipv4_address,
1244                                         config->ipv4_netmask,
1245                                         config->ipv4_gateway);
1246
1247                 connman_network_set_ipv4_method(network,
1248                                                 CONNMAN_IPCONFIG_METHOD_FIXED);
1249
1250                 if (connman_network_set_ipaddress(network, address) < 0)
1251                         DBG("Unable to set IPv4 address to network %p",
1252                                                                 network);
1253
1254                 connman_ipaddress_free(address);
1255         }
1256
1257         __connman_service_disconnect(service);
1258
1259         service_id = __connman_service_get_ident(service);
1260         config->service_identifiers =
1261                 g_slist_prepend(config->service_identifiers,
1262                                 g_strdup(service_id));
1263
1264         __connman_service_set_favorite_delayed(service, true, true);
1265
1266         __connman_service_set_config(service, config->config_ident,
1267                                                 config->config_entry);
1268
1269         if (config->domain_name)
1270                 __connman_service_set_domainname(service, config->domain_name);
1271
1272         if (config->nameservers) {
1273                 int i;
1274
1275                 __connman_service_nameserver_clear(service);
1276
1277                 for (i = 0; config->nameservers[i]; i++) {
1278                         __connman_service_nameserver_append(service,
1279                                                 config->nameservers[i], false);
1280                 }
1281         }
1282
1283         if (config->search_domains)
1284                 __connman_service_set_search_domains(service,
1285                                                 config->search_domains);
1286
1287         if (config->timeservers)
1288                 __connman_service_set_timeservers(service,
1289                                                 config->timeservers);
1290
1291         if (type == CONNMAN_SERVICE_TYPE_WIFI) {
1292                 provision_service_wifi(config, service, network,
1293                                                         ssid, ssid_len);
1294         }
1295
1296         __connman_service_mark_dirty();
1297
1298         __connman_service_load_modifiable(service);
1299
1300         if (config->virtual) {
1301                 struct connect_virtual *virtual;
1302
1303                 virtual = g_malloc0(sizeof(struct connect_virtual));
1304                 virtual->service = service;
1305                 virtual->vfile = config->virtual_file;
1306
1307                 g_timeout_add(0, remove_virtual_config, virtual);
1308
1309                 return 0;
1310         }
1311
1312         __connman_service_set_immutable(service, true);
1313
1314         if (type == CONNMAN_SERVICE_TYPE_ETHERNET ||
1315                         type == CONNMAN_SERVICE_TYPE_GADGET) {
1316                 __connman_service_connect(service,
1317                                 CONNMAN_SERVICE_CONNECT_REASON_AUTO);
1318
1319                 return 0;
1320         }
1321
1322         __connman_service_auto_connect(CONNMAN_SERVICE_CONNECT_REASON_AUTO);
1323
1324         return 0;
1325 }
1326
1327 static int find_and_provision_service(struct connman_service *service)
1328 {
1329         GHashTableIter iter, iter_service;
1330         gpointer value, key, value_service, key_service;
1331
1332         g_hash_table_iter_init(&iter, config_table);
1333
1334         while (g_hash_table_iter_next(&iter, &key, &value)) {
1335                 struct connman_config *config = value;
1336
1337                 g_hash_table_iter_init(&iter_service, config->service_table);
1338                 while (g_hash_table_iter_next(&iter_service, &key_service,
1339                                                 &value_service)) {
1340                         if (!try_provision_service(value_service, service))
1341                                 return 0;
1342                 }
1343         }
1344
1345         return -ENOENT;
1346 }
1347
1348 int __connman_config_provision_service(struct connman_service *service)
1349 {
1350         enum connman_service_type type;
1351
1352         /* For now only WiFi, Gadget and Ethernet services are supported */
1353         type = connman_service_get_type(service);
1354
1355         DBG("service %p type %d", service, type);
1356
1357         if (type != CONNMAN_SERVICE_TYPE_WIFI &&
1358                         type != CONNMAN_SERVICE_TYPE_ETHERNET &&
1359                         type != CONNMAN_SERVICE_TYPE_GADGET)
1360                 return -ENOSYS;
1361
1362         return find_and_provision_service(service);
1363 }
1364
1365 int __connman_config_provision_service_ident(struct connman_service *service,
1366                         const char *ident, const char *file, const char *entry)
1367 {
1368         enum connman_service_type type;
1369         struct connman_config *config;
1370         int ret = 0;
1371
1372         /* For now only WiFi, Gadget and Ethernet services are supported */
1373         type = connman_service_get_type(service);
1374
1375         DBG("service %p type %d", service, type);
1376
1377         if (type != CONNMAN_SERVICE_TYPE_WIFI &&
1378                         type != CONNMAN_SERVICE_TYPE_ETHERNET &&
1379                         type != CONNMAN_SERVICE_TYPE_GADGET)
1380                 return -ENOSYS;
1381
1382         config = g_hash_table_lookup(config_table, ident);
1383         if (config) {
1384                 GHashTableIter iter;
1385                 gpointer value, key;
1386                 bool found = false;
1387
1388                 g_hash_table_iter_init(&iter, config->service_table);
1389
1390                 /*
1391                  * Check if we need to remove individual service if it
1392                  * is missing from config file.
1393                  */
1394                 if (file && entry) {
1395                         while (g_hash_table_iter_next(&iter, &key,
1396                                                         &value)) {
1397                                 struct connman_config_service *config_service;
1398
1399                                 config_service = value;
1400
1401                                 if (g_strcmp0(config_service->config_ident,
1402                                                                 file) != 0)
1403                                         continue;
1404
1405                                 if (g_strcmp0(config_service->config_entry,
1406                                                                 entry) != 0)
1407                                         continue;
1408
1409                                 found = true;
1410                                 break;
1411                         }
1412
1413                         DBG("found %d ident %s file %s entry %s", found, ident,
1414                                                                 file, entry);
1415
1416                         if (!found) {
1417                                 /*
1418                                  * The entry+8 will skip "service_" prefix
1419                                  */
1420                                 g_hash_table_remove(config->service_table,
1421                                                 entry + 8);
1422                                 ret = 1;
1423                         }
1424                 }
1425
1426                 find_and_provision_service(service);
1427         }
1428
1429         return ret;
1430 }
1431
1432 static void generate_random_string(char *str, int length)
1433 {
1434         uint8_t val;
1435         int i;
1436         uint64_t rand;
1437
1438         memset(str, '\0', length);
1439
1440         for (i = 0; i < length-1; i++) {
1441                 do {
1442                         __connman_util_get_random(&rand);
1443                         val = (uint8_t)(rand % 122);
1444                         if (val < 48)
1445                                 val += 48;
1446                 } while((val > 57 && val < 65) || (val > 90 && val < 97));
1447
1448                 str[i] = val;
1449         }
1450 }
1451
1452 int connman_config_provision_mutable_service(GKeyFile *keyfile)
1453 {
1454         struct connman_config_service *service_config;
1455         struct connman_config *config;
1456         char *vfile, *group;
1457         char rstr[11];
1458
1459         DBG("");
1460
1461         generate_random_string(rstr, 11);
1462
1463         vfile = g_strdup_printf("service_mutable_%s.config", rstr);
1464
1465         config = create_config(vfile);
1466         if (!config)
1467                 return -ENOMEM;
1468
1469         if (!load_service_from_keyfile(keyfile, config))
1470                 goto error;
1471
1472         group = g_key_file_get_start_group(keyfile);
1473
1474         service_config = g_hash_table_lookup(config->service_table, group+8);
1475         if (!service_config)
1476                 goto error;
1477
1478         /* Specific to non file based config: */
1479         g_free(service_config->config_ident);
1480         service_config->config_ident = NULL;
1481         g_free(service_config->config_entry);
1482         service_config->config_entry = NULL;
1483
1484         service_config->virtual = true;
1485         service_config->virtual_file = vfile;
1486
1487         __connman_service_provision_changed(vfile);
1488
1489         if (g_strcmp0(service_config->type, "wifi") == 0)
1490                 __connman_device_request_scan(CONNMAN_SERVICE_TYPE_WIFI);
1491
1492         return 0;
1493
1494 error:
1495         DBG("Could not proceed");
1496         g_hash_table_remove(config_table, vfile);
1497         g_free(vfile);
1498
1499         return -EINVAL;
1500 }
1501
1502 struct connman_config_entry **connman_config_get_entries(const char *type)
1503 {
1504         GHashTableIter iter_file, iter_config;
1505         gpointer value, key;
1506         struct connman_config_entry **entries = NULL;
1507         int i = 0, count;
1508
1509         g_hash_table_iter_init(&iter_file, config_table);
1510         while (g_hash_table_iter_next(&iter_file, &key, &value)) {
1511                 struct connman_config *config_file = value;
1512
1513                 count = g_hash_table_size(config_file->service_table);
1514
1515                 entries = g_try_realloc(entries, (i + count + 1) *
1516                                         sizeof(struct connman_config_entry *));
1517                 if (!entries)
1518                         return NULL;
1519
1520                 g_hash_table_iter_init(&iter_config,
1521                                                 config_file->service_table);
1522                 while (g_hash_table_iter_next(&iter_config, &key,
1523                                                         &value)) {
1524                         struct connman_config_service *config = value;
1525
1526                         if (type &&
1527                                         g_strcmp0(config->type, type) != 0)
1528                                 continue;
1529
1530                         entries[i] = g_try_new0(struct connman_config_entry,
1531                                                 1);
1532                         if (!entries[i])
1533                                 goto cleanup;
1534
1535                         entries[i]->ident = g_strdup(config->ident);
1536                         entries[i]->name = g_strdup(config->name);
1537                         entries[i]->ssid = g_try_malloc0(config->ssid_len + 1);
1538                         if (!entries[i]->ssid)
1539                                 goto cleanup;
1540
1541                         memcpy(entries[i]->ssid, config->ssid,
1542                                                         config->ssid_len);
1543                         entries[i]->ssid_len = config->ssid_len;
1544                         entries[i]->hidden = config->hidden;
1545
1546                         i++;
1547                 }
1548         }
1549
1550         if (entries) {
1551                 entries = g_try_realloc(entries, (i + 1) *
1552                                         sizeof(struct connman_config_entry *));
1553                 if (!entries)
1554                         return NULL;
1555
1556                 entries[i] = NULL;
1557
1558                 DBG("%d provisioned AP found", i);
1559         }
1560
1561         return entries;
1562
1563 cleanup:
1564         connman_config_free_entries(entries);
1565         return NULL;
1566 }
1567
1568 void connman_config_free_entries(struct connman_config_entry **entries)
1569 {
1570         int i;
1571
1572         if (!entries)
1573                 return;
1574
1575         for (i = 0; entries[i]; i++) {
1576                 g_free(entries[i]->ident);
1577                 g_free(entries[i]->name);
1578                 g_free(entries[i]->ssid);
1579                 g_free(entries[i]);
1580         }
1581
1582         g_free(entries);
1583         return;
1584 }
1585
1586 bool __connman_config_address_provisioned(const char *address,
1587                                         const char *netmask)
1588 {
1589         GHashTableIter iter, siter;
1590         gpointer value, key, svalue, skey;
1591
1592         if (!address || !netmask)
1593                 return false;
1594
1595         g_hash_table_iter_init(&iter, config_table);
1596
1597         while (g_hash_table_iter_next(&iter, &key, &value)) {
1598                 struct connman_config *config = value;
1599
1600                 g_hash_table_iter_init(&siter, config->service_table);
1601                 while (g_hash_table_iter_next(&siter, &skey, &svalue)) {
1602                         struct connman_config_service *service = svalue;
1603
1604                         if (!g_strcmp0(address, service->ipv4_address) &&
1605                                         !g_strcmp0(netmask,
1606                                                 service->ipv4_netmask))
1607                                 return true;
1608                 }
1609         }
1610
1611         return false;
1612 }