src/storage.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2008  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 "connman.h"
  27
  28 int __connman_storage_init(void)
  29 {
  30         DBG("");
  31
  32         return 0;
  33 }
  34
  35 void __connman_storage_cleanup(void)
  36 {
  37         DBG("");
  38 }
  39
  40 static int do_load(GKeyFile *keyfile, struct connman_element *element)
  41 {
  42         const gchar *value;
  43
  44         DBG("element %p name %s", element, element->name);
  45
  46         value = g_key_file_get_string(keyfile, element->path,
  47                                                 "WiFi.Security", NULL);
  48         if (value != NULL)
  49                 connman_element_set_property(element,
  50                                 CONNMAN_PROPERTY_ID_WIFI_SECURITY, &value);
  51
  52         value = g_key_file_get_string(keyfile, element->path,
  53                                                 "WiFi.Passphrase", NULL);
  54         if (value != NULL)
  55                 connman_element_set_property(element,
  56                                 CONNMAN_PROPERTY_ID_WIFI_PASSPHRASE, &value);
  57
  58         return 0;
  59 }
  60
  61 int __connman_element_load(struct connman_element *element)
  62 {
  63         GKeyFile *keyfile;
  64         gchar *pathname, *data = NULL;
  65         gsize length;
  66
  67         DBG("element %p name %s", element, element->name);
  68
  69         pathname = g_strdup_printf("%s/elements.conf", STORAGEDIR);
  70         if (pathname == NULL)
  71                 return -ENOMEM;
  72
  73         keyfile = g_key_file_new();
  74
  75         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
  76                 g_free(pathname);
  77                 return -ENOENT;
  78         }
  79
  80         g_free(pathname);
  81
  82         if (g_key_file_load_from_data(keyfile, data, length,
  83                                                         0, NULL) == FALSE) {
  84                 g_free(data);
  85                 return -EILSEQ;
  86         }
  87
  88         g_free(data);
  89
  90         do_load(keyfile, element);
  91
  92         g_key_file_free(keyfile);
  93
  94         return 0;
  95 }
  96
  97 static void do_update(GKeyFile *keyfile, struct connman_element *element)
  98 {
  99         GSList *list;
 100         char *value;
 101
 102         DBG("element %p name %s", element, element->name);
 103
 104         g_key_file_set_string(keyfile, element->path, "Name", element->name);
 105
 106         g_key_file_set_boolean(keyfile, element->path, "Enabled",
 107                                                         element->enabled);
 108
 109         __connman_element_lock(element);
 110
 111         for (list = element->properties; list; list = list->next) {
 112                 struct connman_property *property = list->data;
 113
 114                 if (property->flags & CONNMAN_PROPERTY_FLAG_STATIC)
 115                         continue;
 116
 117                 if (property->flags & CONNMAN_PROPERTY_FLAG_REFERENCE)
 118                         continue;
 119
 120                 if (property->type == DBUS_TYPE_STRING)
 121                         g_key_file_set_string(keyfile, element->path,
 122                                         property->name, property->value);
 123         }
 124
 125         __connman_element_unlock(element);
 126
 127         if (connman_element_get_value(element,
 128                         CONNMAN_PROPERTY_ID_WIFI_SECURITY, &value) == 0)
 129                 g_key_file_set_string(keyfile, element->path,
 130                                                 "WiFi.Security", value);
 131
 132         if (connman_element_get_value(element,
 133                         CONNMAN_PROPERTY_ID_WIFI_PASSPHRASE, &value) == 0)
 134                 g_key_file_set_string(keyfile, element->path,
 135                                                 "WiFi.Passphrase", value);
 136 }
 137
 138 int __connman_element_store(struct connman_element *element)
 139 {
 140         GKeyFile *keyfile;
 141         gchar *pathname, *data = NULL;
 142         gsize length;
 143
 144         DBG("element %p name %s", element, element->name);
 145
 146         if (element->type != CONNMAN_ELEMENT_TYPE_DEVICE &&
 147                                 element->type != CONNMAN_ELEMENT_TYPE_NETWORK)
 148                 return -EINVAL;
 149
 150         if (element->subtype == CONNMAN_ELEMENT_SUBTYPE_FAKE ||
 151                         element->subtype == CONNMAN_ELEMENT_SUBTYPE_NETWORK)
 152                 return -EINVAL;
 153
 154         pathname = g_strdup_printf("%s/elements.conf", STORAGEDIR);
 155         if (pathname == NULL)
 156                 return -ENOMEM;
 157
 158         keyfile = g_key_file_new();
 159
 160         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
 161                 goto update;
 162
 163         if (length > 0) {
 164                 if (g_key_file_load_from_data(keyfile, data, length,
 165                                 G_KEY_FILE_KEEP_COMMENTS, NULL) == FALSE)
 166                         goto done;
 167         }
 168
 169         g_free(data);
 170
 171 update:
 172         do_update(keyfile, element);
 173
 174         data = g_key_file_to_data(keyfile, &length, NULL);
 175
 176         g_file_set_contents(pathname, data, length, NULL);
 177
 178 done:
 179         g_free(data);
 180
 181         g_key_file_free(keyfile);
 182
 183         g_free(pathname);
 184
 185         return 0;
 186 }