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                                                 "Policy", NULL);
  48         if (value != NULL)
  49                 element->policy = __connman_element_string2policy(value);
  50
  51         value = g_key_file_get_string(keyfile, element->path,
  52                                                 "WiFi.Security", NULL);
  53         if (value != NULL)
  54                 connman_element_set_property(element,
  55                                 CONNMAN_PROPERTY_ID_WIFI_SECURITY, &value);
  56
  57         value = g_key_file_get_string(keyfile, element->path,
  58                                                 "WiFi.Passphrase", NULL);
  59         if (value != NULL)
  60                 connman_element_set_property(element,
  61                                 CONNMAN_PROPERTY_ID_WIFI_PASSPHRASE, &value);
  62
  63         return 0;
  64 }
  65
  66 int __connman_element_load(struct connman_element *element)
  67 {
  68         GKeyFile *keyfile;
  69         gchar *pathname, *data = NULL;
  70         gsize length;
  71
  72         DBG("element %p name %s", element, element->name);
  73
  74         pathname = g_strdup_printf("%s/elements.conf", STORAGEDIR);
  75         if (pathname == NULL)
  76                 return -ENOMEM;
  77
  78         keyfile = g_key_file_new();
  79
  80         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
  81                 g_free(pathname);
  82                 return -ENOENT;
  83         }
  84
  85         g_free(pathname);
  86
  87         if (g_key_file_load_from_data(keyfile, data, length,
  88                                                         0, NULL) == FALSE) {
  89                 g_free(data);
  90                 return -EILSEQ;
  91         }
  92
  93         g_free(data);
  94
  95         do_load(keyfile, element);
  96
  97         g_key_file_free(keyfile);
  98
  99         return 0;
 100 }
 101
 102 static void do_update(GKeyFile *keyfile, struct connman_element *element)
 103 {
 104         GSList *list;
 105         char *value;
 106         const char *str;
 107
 108         DBG("element %p name %s", element, element->name);
 109
 110         g_key_file_set_string(keyfile, element->path, "Name", element->name);
 111
 112         str = __connman_element_policy2string(element->policy);
 113         if (str != NULL)
 114                 g_key_file_set_string(keyfile, element->path, "Policy", str);
 115
 116         g_key_file_set_boolean(keyfile, element->path, "Enabled",
 117                                                         element->enabled);
 118
 119         __connman_element_lock(element);
 120
 121         for (list = element->properties; list; list = list->next) {
 122                 struct connman_property *property = list->data;
 123
 124                 if (property->flags & CONNMAN_PROPERTY_FLAG_STATIC)
 125                         continue;
 126
 127                 if (property->flags & CONNMAN_PROPERTY_FLAG_REFERENCE)
 128                         continue;
 129
 130                 if (property->type == DBUS_TYPE_STRING)
 131                         g_key_file_set_string(keyfile, element->path,
 132                                         property->name, property->value);
 133         }
 134
 135         __connman_element_unlock(element);
 136
 137         if (connman_element_get_value(element,
 138                         CONNMAN_PROPERTY_ID_WIFI_SECURITY, &value) == 0)
 139                 g_key_file_set_string(keyfile, element->path,
 140                                                 "WiFi.Security", value);
 141
 142         if (connman_element_get_value(element,
 143                         CONNMAN_PROPERTY_ID_WIFI_PASSPHRASE, &value) == 0)
 144                 g_key_file_set_string(keyfile, element->path,
 145                                                 "WiFi.Passphrase", value);
 146 }
 147
 148 int __connman_element_store(struct connman_element *element)
 149 {
 150         GKeyFile *keyfile;
 151         gchar *pathname, *data = NULL;
 152         gsize length;
 153
 154         DBG("element %p name %s", element, element->name);
 155
 156         if (element->type != CONNMAN_ELEMENT_TYPE_DEVICE &&
 157                                 element->type != CONNMAN_ELEMENT_TYPE_NETWORK)
 158                 return -EINVAL;
 159
 160         if (element->subtype == CONNMAN_ELEMENT_SUBTYPE_FAKE ||
 161                         element->subtype == CONNMAN_ELEMENT_SUBTYPE_NETWORK)
 162                 return -EINVAL;
 163
 164         pathname = g_strdup_printf("%s/elements.conf", STORAGEDIR);
 165         if (pathname == NULL)
 166                 return -ENOMEM;
 167
 168         keyfile = g_key_file_new();
 169
 170         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
 171                 goto update;
 172
 173         if (length > 0) {
 174                 if (g_key_file_load_from_data(keyfile, data, length,
 175                                 G_KEY_FILE_KEEP_COMMENTS, NULL) == FALSE)
 176                         goto done;
 177         }
 178
 179         g_free(data);
 180
 181 update:
 182         do_update(keyfile, element);
 183
 184         data = g_key_file_to_data(keyfile, &length, NULL);
 185
 186         g_file_set_contents(pathname, data, length, NULL);
 187
 188 done:
 189         g_free(data);
 190
 191         g_key_file_free(keyfile);
 192
 193         g_free(pathname);
 194
 195         return 0;
 196 }