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.identifier);
  67                 iface->network.identifier = str;
  68
  69                 str = g_key_file_get_string(keyfile,
  70                                 iface->network.identifier, "PSK", NULL);
  71                 if (str != NULL) {
  72                         g_free(iface->network.passphrase);
  73                         iface->network.passphrase = str;
  74                 }
  75         }
  76
  77 done:
  78         g_key_file_free(keyfile);
  79
  80         g_free(pathname);
  81
  82         return 0;
  83 }
  84
  85 static void do_update(GKeyFile *keyfile, struct connman_iface *iface)
  86 {
  87         const char *str;
  88
  89         DBG("iface %p", iface);
  90
  91         str = __connman_iface_policy2string(iface->policy);
  92         g_key_file_set_string(keyfile, GROUP_CONFIG, "Policy", str);
  93
  94         if (iface->network.identifier != NULL) {
  95                 g_key_file_set_string(keyfile, GROUP_CONFIG,
  96                                 "Network", iface->network.identifier);
  97         } else
  98                 g_key_file_remove_key(keyfile, GROUP_CONFIG, "Network", NULL);
  99
 100         if (iface->network.identifier != NULL)
 101                 g_key_file_set_string(keyfile, iface->network.identifier,
 102                                         "PSK", iface->network.passphrase);
 103 }
 104
 105 int __connman_iface_store(struct connman_iface *iface)
 106 {
 107         GKeyFile *keyfile;
 108         gchar *pathname, *data = NULL;
 109         gsize length;
 110
 111         DBG("iface %p", iface);
 112
 113         if (iface->identifier == NULL)
 114                 return -EIO;
 115
 116         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
 117                                                         iface->identifier);
 118         if (pathname == NULL)
 119                 return -ENOMEM;
 120
 121         keyfile = g_key_file_new();
 122
 123         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
 124                 goto update;
 125
 126         if (length > 0) {
 127                 if (g_key_file_load_from_data(keyfile, data, length,
 128                                 G_KEY_FILE_KEEP_COMMENTS, NULL) == FALSE)
 129                         goto done;
 130         }
 131
 132         g_free(data);
 133
 134 update:
 135         do_update(keyfile, iface);
 136
 137         data = g_key_file_to_data(keyfile, &length, NULL);
 138
 139         g_file_set_contents(pathname, data, length, NULL);
 140
 141 done:
 142         g_free(data);
 143
 144         g_key_file_free(keyfile);
 145
 146         g_free(pathname);
 147
 148         return 0;
 149 }