src/iface-storage.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007  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 <arpa/inet.h>
  28
  29 #include <glib.h>
  30
  31 #include "connman.h"
  32
  33 #define GROUP_CONFIG  "Config"
  34
  35 int __connman_iface_load(struct connman_iface *iface)
  36 {
  37         GKeyFile *keyfile;
  38         gchar *pathname, *str;
  39
  40         DBG("iface %p", iface);
  41
  42         if (iface->identifier == NULL)
  43                 return -EIO;
  44
  45         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
  46                                                         iface->identifier);
  47         if (pathname == NULL)
  48                 return -ENOMEM;
  49
  50         keyfile = g_key_file_new();
  51
  52         if (g_key_file_load_from_file(keyfile, pathname, 0, NULL) == FALSE)
  53                 goto done;
  54
  55         if (g_key_file_has_group(keyfile, GROUP_CONFIG) == FALSE)
  56                 goto done;
  57
  58         str = g_key_file_get_string(keyfile, GROUP_CONFIG, "Policy", NULL);
  59         if (str != NULL) {
  60                 iface->policy = __connman_iface_string2policy(str);
  61                 g_free(str);
  62         }
  63
  64         str = g_key_file_get_string(keyfile, GROUP_CONFIG, "Network", NULL);
  65         if (str != NULL) {
  66                 g_free(iface->network.essid);
  67                 iface->network.essid = str;
  68                 if (iface->driver->set_network)
  69                         iface->driver->set_network(iface, str);
  70
  71                 str = g_key_file_get_string(keyfile, iface->network.essid,
  72                                                                 "PSK", NULL);
  73                 if (str != NULL) {
  74                         g_free(iface->network.psk);
  75                         iface->network.psk = str;
  76                         if (iface->driver->set_passphrase)
  77                                 iface->driver->set_passphrase(iface, str);
  78                 }
  79         }
  80
  81 done:
  82         g_key_file_free(keyfile);
  83
  84         g_free(pathname);
  85
  86         return 0;
  87 }
  88
  89 static void do_update(GKeyFile *keyfile, struct connman_iface *iface)
  90 {
  91         const char *str;
  92
  93         DBG("iface %p", iface);
  94
  95         str = __connman_iface_policy2string(iface->policy);
  96         g_key_file_set_string(keyfile, GROUP_CONFIG, "Policy", str);
  97
  98         if (iface->network.essid != NULL) {
  99                 g_key_file_set_string(keyfile, GROUP_CONFIG,
 100                                         "Network", iface->network.essid);
 101         } else
 102                 g_key_file_remove_key(keyfile, GROUP_CONFIG, "Network", NULL);
 103
 104         if (iface->network.essid != NULL)
 105                 g_key_file_set_string(keyfile, iface->network.essid,
 106                                                 "PSK", iface->network.psk);
 107 }
 108
 109 int __connman_iface_store(struct connman_iface *iface)
 110 {
 111         GKeyFile *keyfile;
 112         gchar *pathname, *data = NULL;
 113         gsize length;
 114
 115         DBG("iface %p", iface);
 116
 117         if (iface->identifier == NULL)
 118                 return -EIO;
 119
 120         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
 121                                                         iface->identifier);
 122         if (pathname == NULL)
 123                 return -ENOMEM;
 124
 125         keyfile = g_key_file_new();
 126
 127         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
 128                 goto update;
 129
 130         if (length > 0) {
 131                 if (g_key_file_load_from_data(keyfile, data, length,
 132                                 G_KEY_FILE_KEEP_COMMENTS, NULL) == FALSE)
 133                         goto done;
 134         }
 135
 136         g_free(data);
 137
 138 update:
 139         do_update(keyfile, iface);
 140
 141         data = g_key_file_to_data(keyfile, &length, NULL);
 142
 143         g_file_set_contents(pathname, data, length, NULL);
 144
 145 done:
 146         g_free(data);
 147
 148         g_key_file_free(keyfile);
 149
 150         g_free(pathname);
 151
 152         return 0;
 153 }