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 int __connman_iface_load(struct connman_iface *iface)
  34 {
  35         GKeyFile *keyfile;
  36         gchar *pathname, *str;
  37
  38         DBG("iface %p", iface);
  39
  40         if (iface->identifier == NULL)
  41                 return -EIO;
  42
  43         pathname = g_strdup_printf("%s/interfaces.conf", STORAGEDIR);
  44         if (pathname == NULL)
  45                 return -ENOMEM;
  46
  47         keyfile = g_key_file_new();
  48
  49         if (g_key_file_load_from_file(keyfile, pathname, 0, NULL) == FALSE)
  50                 goto done;
  51
  52         if (g_key_file_has_group(keyfile, iface->identifier) == FALSE)
  53                 goto done;
  54
  55         str = g_key_file_get_string(keyfile, iface->identifier,
  56                                                         "Policy", NULL);
  57         if (str != NULL) {
  58                 iface->policy = __connman_iface_string2policy(str);
  59                 g_free(str);
  60         }
  61
  62         str = g_key_file_get_string(keyfile, iface->identifier,
  63                                                         "IPv4.Method", NULL);
  64         if (str != NULL) {
  65                 iface->ipv4.method = __connman_ipv4_string2method(str);
  66                 g_free(str);
  67         }
  68
  69         str = g_key_file_get_string(keyfile, iface->identifier,
  70                                                         "IPv4.Address", NULL);
  71         if (str != NULL) {
  72                 iface->ipv4.address.s_addr = inet_addr(str);
  73                 g_free(str);
  74         }
  75
  76         str = g_key_file_get_string(keyfile, iface->identifier,
  77                                                         "IPv4.Netmask", NULL);
  78         if (str != NULL) {
  79                 iface->ipv4.netmask.s_addr = inet_addr(str);
  80                 g_free(str);
  81         }
  82
  83         str = g_key_file_get_string(keyfile, iface->identifier,
  84                                                         "IPv4.Gateway", NULL);
  85         if (str != NULL) {
  86                 iface->ipv4.gateway.s_addr = inet_addr(str);
  87                 g_free(str);
  88         }
  89
  90 done:
  91         g_key_file_free(keyfile);
  92
  93         g_free(pathname);
  94
  95         return 0;
  96 }
  97
  98 static void do_update(GKeyFile *keyfile, struct connman_iface *iface)
  99 {
 100         const char *str;
 101         gchar *comment;
 102
 103         DBG("iface %p", iface);
 104
 105         comment = g_key_file_get_comment(keyfile,
 106                                         iface->identifier, NULL, NULL);
 107         if (comment == NULL || *comment == '\0') {
 108                 if (iface->device.product != NULL)
 109                         g_key_file_set_comment(keyfile, iface->identifier,
 110                                         NULL, iface->device.product, NULL);
 111         }
 112         g_free(comment);
 113
 114         str = __connman_iface_policy2string(iface->policy);
 115         g_key_file_set_string(keyfile, iface->identifier, "Policy", str);
 116
 117         if (iface->ipv4.method != CONNMAN_IPV4_METHOD_UNKNOWN) {
 118                 str = __connman_ipv4_method2string(iface->ipv4.method);
 119                 g_key_file_set_string(keyfile, iface->identifier,
 120                                                         "IPv4.Method", str);
 121         } else
 122                 g_key_file_remove_key(keyfile, iface->identifier,
 123                                                         "IPv4.Method", NULL);
 124
 125         if (iface->ipv4.address.s_addr != INADDR_ANY) {
 126                 str = inet_ntoa(iface->ipv4.address);
 127                 g_key_file_set_string(keyfile, iface->identifier,
 128                                                         "IPv4.Address", str);
 129         } else
 130                 g_key_file_remove_key(keyfile, iface->identifier,
 131                                                         "IPv4.Address", NULL);
 132
 133         if (iface->ipv4.netmask.s_addr != INADDR_ANY) {
 134                 str = inet_ntoa(iface->ipv4.netmask);
 135                 g_key_file_set_string(keyfile, iface->identifier,
 136                                                         "IPv4.Netmask", str);
 137         } else
 138                 g_key_file_remove_key(keyfile, iface->identifier,
 139                                                         "IPv4.Netmask", NULL);
 140
 141         if (iface->ipv4.gateway.s_addr != INADDR_ANY) {
 142                 str = inet_ntoa(iface->ipv4.gateway);
 143                 g_key_file_set_string(keyfile, iface->identifier,
 144                                                         "IPv4.Gateway", str);
 145         } else
 146                 g_key_file_remove_key(keyfile, iface->identifier,
 147                                                         "IPv4.Gateway", NULL);
 148 }
 149
 150 int __connman_iface_store(struct connman_iface *iface)
 151 {
 152         GKeyFile *keyfile;
 153         gchar *pathname, *data = NULL;
 154         gsize length;
 155
 156         DBG("iface %p", iface);
 157
 158         if (iface->identifier == NULL)
 159                 return -EIO;
 160
 161         pathname = g_strdup_printf("%s/interfaces.conf", STORAGEDIR);
 162         if (pathname == NULL)
 163                 return -ENOMEM;
 164
 165         keyfile = g_key_file_new();
 166
 167         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
 168                 goto done;
 169
 170         if (length > 0) {
 171                 if (g_key_file_load_from_data(keyfile, data, length,
 172                                 G_KEY_FILE_KEEP_COMMENTS, NULL) == FALSE)
 173                         goto done;
 174         }
 175
 176         g_free(data);
 177
 178         do_update(keyfile, iface);
 179
 180         data = g_key_file_to_data(keyfile, &length, NULL);
 181
 182         g_file_set_contents(pathname, data, length, NULL);
 183
 184 done:
 185         g_free(data);
 186
 187         g_key_file_free(keyfile);
 188
 189         g_free(pathname);
 190
 191         return 0;
 192 }