storage: Remove support for loading services from default.profile
[platform/upstream/connman.git] / src / storage.c
1 /*
2  *
3  *  Connection Manager
4  *
5  *  Copyright (C) 2007-2012  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 <unistd.h>
28 #include <sys/stat.h>
29 #include <dirent.h>
30
31 #include <connman/storage.h>
32
33 #include "connman.h"
34
35 #define SETTINGS        "settings"
36 #define DEFAULT         "default.profile"
37
38 #define MODE            (S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | \
39                         S_IXGRP | S_IROTH | S_IXOTH)
40
41 static GKeyFile *storage_load(const char *pathname)
42 {
43         GKeyFile *keyfile = NULL;
44         GError *error = NULL;
45
46         DBG("Loading %s", pathname);
47
48         keyfile = g_key_file_new();
49
50         if (!g_key_file_load_from_file(keyfile, pathname, 0, &error)) {
51                 DBG("Unable to load %s: %s", pathname, error->message);
52                 g_clear_error(&error);
53
54                 g_key_file_free(keyfile);
55                 keyfile = NULL;
56         }
57
58         return keyfile;
59 }
60
61 static int storage_save(GKeyFile *keyfile, char *pathname)
62 {
63         gchar *data = NULL;
64         gsize length = 0;
65         GError *error = NULL;
66         int ret = 0;
67
68         data = g_key_file_to_data(keyfile, &length, NULL);
69
70         if (!g_file_set_contents(pathname, data, length, &error)) {
71                 DBG("Failed to store information: %s", error->message);
72                 g_error_free(error);
73                 ret = -EIO;
74         }
75
76         g_free(data);
77
78         return ret;
79 }
80
81 static void storage_delete(const char *pathname)
82 {
83         DBG("file path %s", pathname);
84
85         if (unlink(pathname) < 0)
86                 connman_error("Failed to remove %s", pathname);
87 }
88
89 GKeyFile *__connman_storage_load_global()
90 {
91         gchar *pathname;
92         GKeyFile *keyfile = NULL;
93
94         pathname = g_strdup_printf("%s/%s", STORAGEDIR, SETTINGS);
95         if(pathname == NULL)
96                 return NULL;
97
98         keyfile = storage_load(pathname);
99
100         g_free(pathname);
101
102         return keyfile;
103 }
104
105 int __connman_storage_save_global(GKeyFile *keyfile)
106 {
107         gchar *pathname;
108         int ret;
109
110         pathname = g_strdup_printf("%s/%s", STORAGEDIR, SETTINGS);
111         if(pathname == NULL)
112                 return -ENOMEM;
113
114         ret = storage_save(keyfile, pathname);
115
116         g_free(pathname);
117
118         return ret;
119 }
120
121 void __connman_storage_delete_global()
122 {
123         gchar *pathname;
124
125         pathname = g_strdup_printf("%s/%s", STORAGEDIR, SETTINGS);
126         if(pathname == NULL)
127                 return;
128
129         storage_delete(pathname);
130
131         g_free(pathname);
132 }
133
134 GKeyFile *__connman_storage_load_config(const char *ident)
135 {
136         gchar *pathname;
137         GKeyFile *keyfile = NULL;
138
139         pathname = g_strdup_printf("%s/%s.config", STORAGEDIR, ident);
140         if(pathname == NULL)
141                 return NULL;
142
143         keyfile = storage_load(pathname);
144
145         g_free(pathname);
146
147         return keyfile;
148 }
149
150 void __connman_storage_save_config(GKeyFile *keyfile, const char *ident)
151 {
152         gchar *pathname;
153
154         pathname = g_strdup_printf("%s/%s.config", STORAGEDIR, ident);
155         if(pathname == NULL)
156                 return;
157
158         storage_save(keyfile, pathname);
159 }
160
161 void __connman_storage_delete_config(const char *ident)
162 {
163         gchar *pathname;
164
165         pathname = g_strdup_printf("%s/%s.config", STORAGEDIR, ident);
166         if(pathname == NULL)
167                 return;
168
169         storage_delete(pathname);
170
171         g_free(pathname);
172 }
173
174 GKeyFile *__connman_storage_open_service(const char *service_id)
175 {
176         gchar *pathname;
177         GKeyFile *keyfile = NULL;
178
179         pathname = g_strdup_printf("%s/%s/%s", STORAGEDIR, service_id, SETTINGS);
180         if(pathname == NULL)
181                 return NULL;
182
183         keyfile =  storage_load(pathname);
184         if (keyfile) {
185                 g_free(pathname);
186                 return keyfile;
187         }
188
189         g_free(pathname);
190
191         keyfile = g_key_file_new();
192
193         return keyfile;
194 }
195
196 gchar **connman_storage_get_services()
197 {
198         struct dirent *d;
199         gchar *str;
200         DIR *dir;
201         GString *result;
202         gchar **services = NULL;
203         struct stat buf;
204         int ret;
205
206         dir = opendir(STORAGEDIR);
207         if (dir == NULL)
208                 return NULL;
209
210         result = g_string_new(NULL);
211
212         while ((d = readdir(dir))) {
213                 if (strcmp(d->d_name, ".") == 0 ||
214                                 strcmp(d->d_name, "..") == 0 ||
215                                 strncmp(d->d_name, "provider_", 9) == 0)
216                         continue;
217
218                 switch (d->d_type) {
219                 case DT_DIR:
220                         /*
221                          * If the settings file is not found, then
222                          * assume this directory is not a services dir.
223                          */
224                         str = g_strdup_printf("%s/%s/settings", STORAGEDIR,
225                                                                 d->d_name);
226                         ret = stat(str, &buf);
227                         g_free(str);
228                         if (ret < 0)
229                                 continue;
230
231                         g_string_append_printf(result, "%s/", d->d_name);
232                         break;
233                 }
234         }
235
236         closedir(dir);
237
238         str = g_string_free(result, FALSE);
239         if (str) {
240                 str[strlen(str) - 1] = '\0';
241                 services = g_strsplit(str, "/", -1);
242         }
243         g_free(str);
244
245         return services;
246 }
247
248 GKeyFile *connman_storage_load_service(const char *service_id)
249 {
250         gchar *pathname;
251         GKeyFile *keyfile = NULL;
252
253         pathname = g_strdup_printf("%s/%s/%s", STORAGEDIR, service_id, SETTINGS);
254         if(pathname == NULL)
255                 return NULL;
256
257         keyfile =  storage_load(pathname);
258         g_free(pathname);
259
260         return keyfile;
261 }
262
263 int __connman_storage_save_service(GKeyFile *keyfile, const char *service_id)
264 {
265         int ret = 0;
266         gchar *pathname, *dirname;
267
268         dirname = g_strdup_printf("%s/%s", STORAGEDIR, service_id);
269         if(dirname == NULL)
270                 return -ENOMEM;
271
272         /* If the dir doesn't exist, create it */
273         if (!g_file_test(dirname, G_FILE_TEST_IS_DIR)) {
274                 if(mkdir(dirname, MODE) < 0) {
275                         if (errno != EEXIST) {
276                                 g_free(dirname);
277                                 return -errno;
278                         }
279                 }
280         }
281
282         pathname = g_strdup_printf("%s/%s", dirname, SETTINGS);
283
284         g_free(dirname);
285
286         ret = storage_save(keyfile, pathname);
287
288         g_free(pathname);
289
290         return ret;
291 }
292
293 GKeyFile *__connman_storage_load_provider(const char *identifier)
294 {
295         gchar *pathname;
296         GKeyFile *keyfile;
297
298         pathname = g_strdup_printf("%s/%s_%s/%s", STORAGEDIR, "provider",
299                         identifier, SETTINGS);
300         if (pathname == NULL)
301                 return NULL;
302
303         keyfile = storage_load(pathname);
304         g_free(pathname);
305
306         return keyfile;
307 }
308
309 void __connman_storage_save_provider(GKeyFile *keyfile, const char *identifier)
310 {
311         gchar *pathname, *dirname;
312
313         dirname = g_strdup_printf("%s/%s_%s", STORAGEDIR,
314                         "provider", identifier);
315         if (dirname == NULL)
316                 return;
317
318         if (g_file_test(dirname, G_FILE_TEST_IS_DIR) == FALSE &&
319                         mkdir(dirname, MODE) < 0) {
320                 g_free(dirname);
321                 return;
322         }
323
324         pathname = g_strdup_printf("%s/%s", dirname, SETTINGS);
325         g_free(dirname);
326
327         storage_save(keyfile, pathname);
328         g_free(pathname);
329 }
330
331 gchar **__connman_storage_get_providers(void)
332 {
333         GSList *list = NULL;
334         int num = 0, i = 0;
335         struct dirent *d;
336         gchar *str;
337         DIR *dir;
338         struct stat buf;
339         int ret;
340         char **providers;
341         GSList *iter;
342
343         dir = opendir(STORAGEDIR);
344         if (dir == NULL)
345                 return NULL;
346
347         while ((d = readdir(dir))) {
348                 if (strcmp(d->d_name, ".") == 0 ||
349                                 strcmp(d->d_name, "..") == 0 ||
350                                 strncmp(d->d_name, "provider_", 9) != 0)
351                         continue;
352
353                 if (d->d_type == DT_DIR) {
354                         str = g_strdup_printf("%s/%s/settings", STORAGEDIR,
355                                         d->d_name);
356                         ret = stat(str, &buf);
357                         g_free(str);
358                         if (ret < 0)
359                                 continue;
360                         list = g_slist_prepend(list, g_strdup(d->d_name));
361                         num += 1;
362                 }
363         }
364
365         closedir(dir);
366
367         providers = g_try_new0(char *, num + 1);
368         for (iter = list; iter != NULL; iter = g_slist_next(iter)) {
369                 if (providers != NULL)
370                         providers[i] = iter->data;
371                 else
372                         g_free(iter->data);
373                 i += 1;
374         }
375         g_slist_free(list);
376
377         return providers;
378 }
379
380 /*
381  * This function migrates keys from default.profile to settings file.
382  * This can be removed once the migration is over.
383 */
384 void __connman_storage_migrate()
385 {
386         gchar *pathname;
387         GKeyFile *keyfile_def = NULL;
388         GKeyFile *keyfile = NULL;
389         GError *error = NULL;
390         connman_bool_t val;
391
392         /* If setting file exists, migration has been done. */
393         keyfile = __connman_storage_load_global();
394         if (keyfile) {
395                 g_key_file_free(keyfile);
396                 return;
397         }
398
399         pathname = g_strdup_printf("%s/%s", STORAGEDIR, DEFAULT);
400         if(pathname == NULL)
401                 return;
402
403         /* If default.profile exists, create new settings file */
404         keyfile_def = storage_load(pathname);
405         if (keyfile_def == NULL)
406                 goto done;
407
408         /* Copy global settings from default.profile to settings. */
409         keyfile = g_key_file_new();
410
411         val = g_key_file_get_boolean(keyfile_def, "global",
412                                         "OfflineMode", &error);
413         if (error != NULL) {
414                 g_clear_error(&error);
415                 val = FALSE;
416         }
417
418         g_key_file_set_boolean(keyfile, "global",
419                                         "OfflineMode", val);
420
421         val = g_key_file_get_boolean(keyfile_def, "WiFi",
422                                         "Enable", &error);
423         if (error != NULL) {
424                 g_clear_error(&error);
425                 val = FALSE;
426         }
427
428         g_key_file_set_boolean(keyfile, "WiFi",
429                                         "Enable", val);
430
431         val = g_key_file_get_boolean(keyfile_def, "Bluetooth",
432                                         "Enable", &error);
433         if (error != NULL) {
434                 g_clear_error(&error);
435                 val = FALSE;
436         }
437
438         g_key_file_set_boolean(keyfile, "Bluetooth",
439                                         "Enable", val);
440
441         val = g_key_file_get_boolean(keyfile_def, "Wired",
442                                         "Enable", &error);
443         if (error != NULL) {
444                 g_clear_error(&error);
445                 val = FALSE;
446         }
447
448         g_key_file_set_boolean(keyfile, "Wired",
449                                         "Enable", val);
450
451         val = g_key_file_get_boolean(keyfile_def, "Cellular",
452                                         "Enable", &error);
453         if (error != NULL) {
454                 g_clear_error(&error);
455                 val = FALSE;
456         }
457
458         g_key_file_set_boolean(keyfile, "Cellular",
459                                         "Enable", val);
460
461         val = g_key_file_get_boolean(keyfile_def, "WiMAX",
462                                         "Enable", &error);
463         if (error != NULL) {
464                 g_clear_error(&error);
465                 val = FALSE;
466         }
467
468         g_key_file_set_boolean(keyfile, "WiMAX",
469                                         "Enable", val);
470
471         __connman_storage_save_global(keyfile);
472
473         g_key_file_free(keyfile);
474
475         g_key_file_free(keyfile_def);
476
477 done:
478         g_free(pathname);
479 }