plugins/wifi-legacy.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2010  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 <net/if.h>
  28
  29 #ifndef IFF_LOWER_UP
  30 #define IFF_LOWER_UP    0x10000
  31 #endif
  32
  33 #include <dbus/dbus.h>
  34 #include <glib.h>
  35
  36 #define CONNMAN_API_SUBJECT_TO_CHANGE
  37 #include <connman/plugin.h>
  38 #include <connman/device.h>
  39 #include <connman/rtnl.h>
  40 #include <connman/log.h>
  41
  42 #include "supplicant.h"
  43
  44 #define CLEANUP_TIMEOUT   8     /* in seconds */
  45 #define INACTIVE_TIMEOUT  12    /* in seconds */
  46
  47 struct wifi_data {
  48         char *identifier;
  49         connman_bool_t connected;
  50         int index;
  51         unsigned flags;
  52         unsigned int watch;
  53 };
  54
  55 static int network_probe(struct connman_network *network)
  56 {
  57         DBG("network %p", network);
  58
  59         return 0;
  60 }
  61
  62 static void network_remove(struct connman_network *network)
  63 {
  64         DBG("network %p", network);
  65
  66         supplicant_remove_network(network);
  67 }
  68
  69 static int network_connect(struct connman_network *network)
  70 {
  71         DBG("network %p", network);
  72
  73         return supplicant_connect(network);
  74 }
  75
  76 static int network_disconnect(struct connman_network *network)
  77 {
  78         DBG("network %p", network);
  79
  80         connman_network_set_associating(network, FALSE);
  81
  82         return supplicant_disconnect(network);
  83 }
  84
  85 static struct connman_network_driver network_driver = {
  86         .name           = "wifi",
  87         .type           = CONNMAN_NETWORK_TYPE_WIFI,
  88         .priority       = CONNMAN_NETWORK_PRIORITY_HIGH,
  89         .probe          = network_probe,
  90         .remove         = network_remove,
  91         .connect        = network_connect,
  92         .disconnect     = network_disconnect,
  93 };
  94
  95 static void wifi_newlink(unsigned flags, unsigned change, void *user_data)
  96 {
  97         struct connman_device *device = user_data;
  98         struct wifi_data *wifi = connman_device_get_data(device);
  99
 100         DBG("index %d flags %d change %d", wifi->index, flags, change);
 101
 102         if (!change)
 103                 return;
 104
 105         if ((wifi->flags & IFF_UP) != (flags & IFF_UP)) {
 106                 if (flags & IFF_UP) {
 107                         DBG("interface up");
 108                 } else {
 109                         DBG("interface down");
 110                 }
 111         }
 112
 113         if ((wifi->flags & IFF_LOWER_UP) != (flags & IFF_LOWER_UP)) {
 114                 if (flags & IFF_LOWER_UP) {
 115                         DBG("carrier on");
 116                 } else {
 117                         DBG("carrier off");
 118                 }
 119         }
 120
 121         wifi->flags = flags;
 122 }
 123
 124 static int wifi_probe(struct connman_device *device)
 125 {
 126         struct wifi_data *wifi;
 127
 128         DBG("device %p", device);
 129
 130         wifi = g_try_new0(struct wifi_data, 1);
 131         if (wifi == NULL)
 132                 return -ENOMEM;
 133
 134         wifi->connected = FALSE;
 135
 136         connman_device_set_data(device, wifi);
 137
 138         wifi->index = connman_device_get_index(device);
 139         wifi->flags = 0;
 140
 141         wifi->watch = connman_rtnl_add_newlink_watch(wifi->index,
 142                                                         wifi_newlink, device);
 143
 144         return 0;
 145 }
 146
 147 static void wifi_remove(struct connman_device *device)
 148 {
 149         struct wifi_data *wifi = connman_device_get_data(device);
 150
 151         DBG("device %p", device);
 152
 153         connman_device_set_data(device, NULL);
 154
 155         connman_rtnl_remove_watch(wifi->watch);
 156
 157         g_free(wifi->identifier);
 158         g_free(wifi);
 159 }
 160
 161 static int wifi_enable(struct connman_device *device)
 162 {
 163         DBG("device %p", device);
 164
 165         return supplicant_start(device);
 166 }
 167
 168 static int wifi_disable(struct connman_device *device)
 169 {
 170         struct wifi_data *wifi = connman_device_get_data(device);
 171
 172         DBG("device %p", device);
 173
 174         wifi->connected = FALSE;
 175
 176         return supplicant_stop(device);
 177 }
 178
 179 static int wifi_scan(struct connman_device *device)
 180 {
 181         DBG("device %p", device);
 182
 183         return supplicant_scan(device);
 184 }
 185
 186 static struct connman_device_driver wifi_driver = {
 187         .name           = "wifi",
 188         .type           = CONNMAN_DEVICE_TYPE_WIFI,
 189         .priority       = CONNMAN_DEVICE_PRIORITY_HIGH,
 190         .probe          = wifi_probe,
 191         .remove         = wifi_remove,
 192         .enable         = wifi_enable,
 193         .disable        = wifi_disable,
 194         .scan           = wifi_scan,
 195 };
 196
 197 static void wifi_register(void)
 198 {
 199         DBG("");
 200
 201         if (connman_device_driver_register(&wifi_driver) < 0)
 202                 connman_error("Failed to register WiFi driver");
 203 }
 204
 205 static void wifi_unregister(void)
 206 {
 207         DBG("");
 208
 209         connman_device_driver_unregister(&wifi_driver);
 210 }
 211
 212 static struct supplicant_driver supplicant = {
 213         .name           = "wifi",
 214         .probe          = wifi_register,
 215         .remove         = wifi_unregister,
 216 };
 217
 218 static int wifi_init(void)
 219 {
 220         int err;
 221
 222         err = connman_network_driver_register(&network_driver);
 223         if (err < 0)
 224                 return err;
 225
 226         err = supplicant_register(&supplicant);
 227         if (err < 0) {
 228                 connman_network_driver_unregister(&network_driver);
 229                 return err;
 230         }
 231
 232         return 0;
 233 }
 234
 235 static void wifi_exit(void)
 236 {
 237         supplicant_unregister(&supplicant);
 238
 239         connman_network_driver_unregister(&network_driver);
 240 }
 241
 242 CONNMAN_PLUGIN_DEFINE(wifi_legacy, "WiFi interface plugin", VERSION,
 243                 CONNMAN_PLUGIN_PRIORITY_LOW, wifi_init, wifi_exit)