vcs.maemo.org Git - connman/blob - plugins/wifi.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 <string.h>
  27 #include <dbus/dbus.h>
  28
  29 #include <connman/plugin.h>
  30 #include <connman/driver.h>
  31 #include <connman/log.h>
  32
  33 #include "supplicant.h"
  34
  35 static int network_probe(struct connman_element *element)
  36 {
  37         DBG("element %p name %s", element, element->name);
  38
  39         return 0;
  40 }
  41
  42 static void network_remove(struct connman_element *element)
  43 {
  44         DBG("element %p name %s", element, element->name);
  45 }
  46
  47 static int network_enable(struct connman_element *element)
  48 {
  49         DBG("element %p name %s", element, element->name);
  50
  51         element->enabled = FALSE;
  52         connman_element_update(element);
  53
  54         if (element->parent) {
  55                 g_free(element->parent->network.identifier);
  56                 element->parent->network.identifier =
  57                                         g_strdup(element->network.identifier);
  58         }
  59
  60         if (__supplicant_connect(element, element->network.identifier) < 0)
  61                 connman_error("Failed to initiate connect");
  62
  63         return 0;
  64 }
  65
  66 static int network_disable(struct connman_element *element)
  67 {
  68         DBG("element %p name %s", element, element->name);
  69
  70         connman_element_unregister_children(element);
  71
  72         __supplicant_disconnect(element);
  73
  74         element->enabled = FALSE;
  75         connman_element_update(element);
  76
  77         return 0;
  78 }
  79
  80 static struct connman_driver network_driver = {
  81         .name           = "wifi-network",
  82         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
  83         .subtype        = CONNMAN_ELEMENT_SUBTYPE_WIFI,
  84         .probe          = network_probe,
  85         .remove         = network_remove,
  86         .enable         = network_enable,
  87         .disable        = network_disable,
  88 };
  89
  90 struct wifi_data {
  91         GStaticMutex mutex;
  92         GSList *list;
  93 };
  94
  95 static struct connman_element *find_element(struct wifi_data *data,
  96                                                 const char *identifier)
  97 {
  98         GSList *list;
  99
 100         for (list = data->list; list; list = list->next) {
 101                 struct connman_element *element = list->data;
 102
 103                 if (element->network.identifier == NULL)
 104                         continue;
 105
 106                 if (g_str_equal(element->network.identifier,
 107                                                         identifier) == TRUE)
 108                         return element;
 109         }
 110
 111         return NULL;
 112 }
 113
 114 static void state_change(struct connman_element *parent,
 115                                                 enum supplicant_state state)
 116 {
 117         struct wifi_data *data = connman_element_get_data(parent);
 118         struct connman_element *element;
 119
 120         DBG("state %d", state);
 121
 122         if (parent->network.identifier == NULL)
 123                 return;
 124
 125         element = find_element(data, parent->network.identifier);
 126         if (element == NULL)
 127                 return;
 128
 129         if (state == STATE_COMPLETED) {
 130                 struct connman_element *dhcp;
 131
 132                 dhcp = connman_element_create(NULL);
 133
 134                 dhcp->type = CONNMAN_ELEMENT_TYPE_DHCP;
 135                 dhcp->index = element->index;
 136
 137                 element->enabled = TRUE;
 138                 connman_element_update(element);
 139
 140                 connman_element_register(dhcp, element);
 141         }
 142 }
 143
 144 static void scan_result(struct connman_element *parent,
 145                                         struct supplicant_network *network)
 146 {
 147         struct wifi_data *data = connman_element_get_data(parent);
 148         struct connman_element *element;
 149         gchar *temp;
 150         int i;
 151
 152         DBG("network %p identifier %s", network, network->identifier);
 153
 154         if (data == NULL)
 155                 return;
 156
 157         if (network->identifier == NULL)
 158                 return;
 159
 160         if (network->identifier[0] == '\0')
 161                 return;
 162
 163         temp = g_strdup(network->identifier);
 164
 165         for (i = 0; i < strlen(temp); i++) {
 166                 if (temp[i] == ' ' || temp[i] == '.' || temp[i] == '-')
 167                         temp[i] = '_';
 168                 if (temp[i] == '(' || temp[i] == ')')
 169                         temp[i] = '_';
 170                 if (g_ascii_isprint(temp[i]) == FALSE)
 171                         temp[i] = '_';
 172                 temp[i] = g_ascii_tolower(temp[i]);
 173         }
 174
 175         g_static_mutex_lock(&data->mutex);
 176
 177         element = find_element(data, network->identifier);
 178         if (element == NULL) {
 179                 element = connman_element_create(temp);
 180
 181                 element->type = CONNMAN_ELEMENT_TYPE_NETWORK;
 182                 element->index = parent->index;
 183
 184                 element->network.identifier = g_strdup(network->identifier);
 185
 186                 data->list = g_slist_append(data->list, element);
 187
 188                 connman_element_add_static_property(element, "SSID",
 189                                 DBUS_TYPE_STRING, &network->identifier);
 190
 191                 connman_element_register(element, parent);
 192         }
 193
 194         g_static_mutex_unlock(&data->mutex);
 195
 196         g_free(temp);
 197 }
 198
 199 static struct supplicant_callback wifi_callback = {
 200         .state_change   = state_change,
 201         .scan_result    = scan_result,
 202 };
 203
 204 static int wifi_probe(struct connman_element *element)
 205 {
 206         struct wifi_data *data;
 207         int err;
 208
 209         DBG("element %p name %s", element, element->name);
 210
 211         data = g_try_new0(struct wifi_data, 1);
 212         if (data == NULL)
 213                 return -ENOMEM;
 214
 215         g_static_mutex_init(&data->mutex);
 216
 217         connman_element_set_data(element, data);
 218
 219         err = __supplicant_start(element, &wifi_callback);
 220         if (err < 0)
 221                 return err;
 222
 223         __supplicant_scan(element);
 224
 225         return 0;
 226 }
 227
 228 static void wifi_remove(struct connman_element *element)
 229 {
 230         struct wifi_data *data = connman_element_get_data(element);
 231         GSList *list;
 232
 233         DBG("element %p name %s", element, element->name);
 234
 235         __supplicant_stop(element);
 236
 237         connman_element_set_data(element, NULL);
 238
 239         if (data == NULL)
 240                 return;
 241
 242         g_static_mutex_lock(&data->mutex);
 243
 244         for (list = data->list; list; list = list->next) {
 245                 struct connman_element *network = list->data;
 246
 247                 connman_element_unregister(network);
 248                 connman_element_unref(network);
 249         }
 250
 251         g_slist_free(data->list);
 252
 253         g_static_mutex_unlock(&data->mutex);
 254
 255         g_free(data);
 256 }
 257
 258 static int wifi_update(struct connman_element *element)
 259 {
 260         DBG("element %p name %s", element, element->name);
 261
 262         __supplicant_scan(element);
 263
 264         return 0;
 265 }
 266
 267 static struct connman_driver wifi_driver = {
 268         .name           = "wifi-device",
 269         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
 270         .subtype        = CONNMAN_ELEMENT_SUBTYPE_WIFI,
 271         .probe          = wifi_probe,
 272         .remove         = wifi_remove,
 273         .update         = wifi_update,
 274 };
 275
 276 static int wifi_init(void)
 277 {
 278         int err;
 279
 280         err = __supplicant_init();
 281         if (err < 0)
 282                 return err;
 283
 284         err = connman_driver_register(&network_driver);
 285         if (err < 0) {
 286                 __supplicant_exit();
 287                 return err;
 288         }
 289
 290         err = connman_driver_register(&wifi_driver);
 291         if (err < 0) {
 292                 connman_driver_unregister(&network_driver);
 293                 __supplicant_exit();
 294                 return err;
 295         }
 296
 297         return 0;
 298 }
 299
 300 static void wifi_exit(void)
 301 {
 302         connman_driver_unregister(&network_driver);
 303         connman_driver_unregister(&wifi_driver);
 304
 305         __supplicant_exit();
 306 }
 307
 308 CONNMAN_PLUGIN_DEFINE("wifi", "WiFi interface plugin", VERSION,
 309                                                         wifi_init, wifi_exit)