plugins/ethernet.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 <glib.h>
  34
  35 #define CONNMAN_API_SUBJECT_TO_CHANGE
  36 #include <connman/technology.h>
  37 #include <connman/plugin.h>
  38 #include <connman/device.h>
  39 #include <connman/inet.h>
  40 #include <connman/rtnl.h>
  41 #include <connman/log.h>
  42
  43 struct ethernet_data {
  44         int index;
  45         unsigned flags;
  46         unsigned int watch;
  47         struct connman_network *network;
  48 };
  49
  50 static int cable_probe(struct connman_network *network)
  51 {
  52         DBG("network %p", network);
  53
  54         return 0;
  55 }
  56
  57 static void cable_remove(struct connman_network *network)
  58 {
  59         DBG("network %p", network);
  60 }
  61
  62 static int cable_connect(struct connman_network *network)
  63 {
  64         DBG("network %p", network);
  65
  66         return 0;
  67 }
  68
  69 static int cable_disconnect(struct connman_network *network)
  70 {
  71         DBG("network %p", network);
  72
  73         return 0;
  74 }
  75
  76 static struct connman_network_driver cable_driver = {
  77         .name           = "cable",
  78         .type           = CONNMAN_NETWORK_TYPE_ETHERNET,
  79         .probe          = cable_probe,
  80         .remove         = cable_remove,
  81         .connect        = cable_connect,
  82         .disconnect     = cable_disconnect,
  83 };
  84
  85 #if defined TIZEN_EXT
  86 static void set_proxy(struct connman_network *network)
  87 {
  88         const char http_proxy[] = "http_proxy";
  89         char *proxy = NULL;
  90
  91         proxy = getenv(http_proxy);
  92         DBG("Get system proxy: %s", proxy);
  93
  94         if(proxy != NULL && strlen(proxy) > 8)
  95                 connman_network_set_proxy(network, proxy);
  96 }
  97 #endif
  98
  99 static void add_network(struct connman_device *device,
 100                         struct ethernet_data *ethernet)
 101 {
 102         struct connman_network *network;
 103         int index;
 104
 105         network = connman_network_create("carrier",
 106                                         CONNMAN_NETWORK_TYPE_ETHERNET);
 107         if (network == NULL)
 108                 return;
 109
 110         index = connman_device_get_index(device);
 111         connman_network_set_index(network, index);
 112
 113         connman_network_set_name(network, "Wired");
 114
 115         if (connman_device_add_network(device, network) < 0) {
 116                 connman_network_unref(network);
 117                 return;
 118         }
 119
 120         connman_network_set_available(network, TRUE);
 121
 122         connman_network_set_group(network, "cable");
 123
 124         connman_network_set_connected(network, TRUE);
 125
 126 #if defined TIZEN_EXT
 127         set_proxy(network);
 128 #endif
 129
 130         ethernet->network = network;
 131 }
 132
 133 static void remove_network(struct connman_device *device,
 134                                 struct ethernet_data *ethernet)
 135 {
 136         if (ethernet->network == NULL)
 137                 return;
 138
 139         connman_device_remove_network(device, ethernet->network);
 140         connman_network_unref(ethernet->network);
 141
 142         ethernet->network = NULL;
 143 }
 144
 145 static void ethernet_newlink(unsigned flags, unsigned change, void *user_data)
 146 {
 147         struct connman_device *device = user_data;
 148         struct ethernet_data *ethernet = connman_device_get_data(device);
 149
 150         DBG("index %d flags %d change %d", ethernet->index, flags, change);
 151
 152         if ((ethernet->flags & IFF_UP) != (flags & IFF_UP)) {
 153                 if (flags & IFF_UP) {
 154                         DBG("power on");
 155                         connman_device_set_powered(device, TRUE);
 156                 } else {
 157                         DBG("power off");
 158                         connman_device_set_powered(device, FALSE);
 159                 }
 160         }
 161
 162         if ((ethernet->flags & IFF_LOWER_UP) != (flags & IFF_LOWER_UP)) {
 163                 if (flags & IFF_LOWER_UP) {
 164                         DBG("carrier on");
 165                         add_network(device, ethernet);
 166                 } else {
 167                         DBG("carrier off");
 168                         remove_network(device, ethernet);
 169                 }
 170         }
 171
 172         ethernet->flags = flags;
 173 }
 174
 175 static int ethernet_probe(struct connman_device *device)
 176 {
 177         struct ethernet_data *ethernet;
 178
 179         DBG("device %p", device);
 180
 181         ethernet = g_try_new0(struct ethernet_data, 1);
 182         if (ethernet == NULL)
 183                 return -ENOMEM;
 184
 185         connman_device_set_data(device, ethernet);
 186
 187         ethernet->index = connman_device_get_index(device);
 188         ethernet->flags = 0;
 189
 190         ethernet->watch = connman_rtnl_add_newlink_watch(ethernet->index,
 191                                                 ethernet_newlink, device);
 192
 193         return 0;
 194 }
 195
 196 static void ethernet_remove(struct connman_device *device)
 197 {
 198         struct ethernet_data *ethernet = connman_device_get_data(device);
 199
 200         DBG("device %p", device);
 201
 202         connman_device_set_data(device, NULL);
 203
 204         connman_rtnl_remove_watch(ethernet->watch);
 205
 206         remove_network(device, ethernet);
 207
 208         g_free(ethernet);
 209 }
 210
 211 static int ethernet_enable(struct connman_device *device)
 212 {
 213         struct ethernet_data *ethernet = connman_device_get_data(device);
 214
 215         DBG("device %p", device);
 216
 217         return connman_inet_ifup(ethernet->index);
 218 }
 219
 220 static int ethernet_disable(struct connman_device *device)
 221 {
 222         struct ethernet_data *ethernet = connman_device_get_data(device);
 223
 224         DBG("device %p", device);
 225
 226         return connman_inet_ifdown(ethernet->index);
 227 }
 228
 229 static struct connman_device_driver ethernet_driver = {
 230         .name           = "ethernet",
 231         .type           = CONNMAN_DEVICE_TYPE_ETHERNET,
 232         .probe          = ethernet_probe,
 233         .remove         = ethernet_remove,
 234         .enable         = ethernet_enable,
 235         .disable        = ethernet_disable,
 236 };
 237
 238 static GList *cdc_interface_list = NULL;
 239
 240 static void tech_add_interface(struct connman_technology *technology,
 241                         int index, const char *name, const char *ident)
 242 {
 243         DBG("index %d name %s ident %s", index, name, ident);
 244
 245         if (g_list_find(cdc_interface_list,
 246                         GINT_TO_POINTER((int) index)) != NULL)
 247                 return;
 248
 249         cdc_interface_list = g_list_prepend(cdc_interface_list,
 250                                         (GINT_TO_POINTER((int) index)));
 251 }
 252
 253 static void tech_remove_interface(struct connman_technology *technology,
 254                                                                 int index)
 255 {
 256         DBG("index %d", index);
 257
 258         cdc_interface_list = g_list_remove(cdc_interface_list,
 259                                         GINT_TO_POINTER((int) index));
 260 }
 261
 262 static void enable_tethering(struct connman_technology *technology,
 263                                                 const char *bridge)
 264 {
 265         GList *list;
 266
 267         for (list = cdc_interface_list; list; list = list->next) {
 268                 int index = GPOINTER_TO_INT(list->data);
 269
 270                 connman_technology_tethering_notify(technology, TRUE);
 271
 272                 connman_inet_ifup(index);
 273
 274                 connman_inet_add_to_bridge(index, bridge);
 275         }
 276 }
 277
 278 static void disable_tethering(struct connman_technology *technology,
 279                                                 const char *bridge)
 280 {
 281         GList *list;
 282
 283         for (list = cdc_interface_list; list; list = list->next) {
 284                 int index = GPOINTER_TO_INT(list->data);
 285
 286                 connman_inet_remove_from_bridge(index, bridge);
 287
 288                 connman_inet_ifdown(index);
 289
 290                 connman_technology_tethering_notify(technology, FALSE);
 291         }
 292 }
 293
 294 static int tech_set_tethering(struct connman_technology *technology,
 295                                 const char *identifier, const char *passphrase,
 296                                 const char *bridge, connman_bool_t enabled)
 297 {
 298         DBG("bridge %s enabled %d", bridge, enabled);
 299
 300         if (enabled)
 301                 enable_tethering(technology, bridge);
 302         else
 303                 disable_tethering(technology, bridge);
 304
 305         return 0;
 306 }
 307
 308 static int tech_probe(struct connman_technology *technology)
 309 {
 310         return 0;
 311 }
 312
 313 static void tech_remove(struct connman_technology *technology)
 314 {
 315         g_list_free(cdc_interface_list);
 316
 317         cdc_interface_list = NULL;
 318 }
 319
 320 static struct connman_technology_driver tech_driver = {
 321         .name                   = "cdc_ethernet",
 322         .type                   = CONNMAN_SERVICE_TYPE_GADGET,
 323         .probe                  = tech_probe,
 324         .remove                 = tech_remove,
 325         .add_interface          = tech_add_interface,
 326         .remove_interface       = tech_remove_interface,
 327         .set_tethering          = tech_set_tethering,
 328 };
 329
 330 #if defined TIZEN_EXT
 331 static int eth_probe(struct connman_technology *technology)
 332 {
 333         return 0;
 334 }
 335
 336 static void eth_remove(struct connman_technology *technology)
 337 {
 338         DBG("");
 339 }
 340
 341 static struct connman_technology_driver eth_driver = {
 342         .name                   = "ethernet",
 343         .type                   = CONNMAN_SERVICE_TYPE_ETHERNET,
 344         .probe                  = eth_probe,
 345         .remove                 = eth_remove,
 346 };
 347 #endif
 348
 349 static int ethernet_init(void)
 350 {
 351         int err;
 352
 353 #if defined TIZEN_EXT
 354         err = connman_technology_driver_register(&eth_driver);
 355         if (err < 0)
 356                 return err;
 357 #endif
 358
 359         err = connman_network_driver_register(&cable_driver);
 360         if (err < 0)
 361                 return err;
 362
 363         err = connman_device_driver_register(&ethernet_driver);
 364         if (err < 0) {
 365                 connman_network_driver_unregister(&cable_driver);
 366                 return err;
 367         }
 368
 369         err = connman_technology_driver_register(&tech_driver);
 370         if (err < 0) {
 371                 connman_device_driver_unregister(&ethernet_driver);
 372                 connman_network_driver_unregister(&cable_driver);
 373                 return err;
 374         }
 375
 376         return 0;
 377 }
 378
 379 static void ethernet_exit(void)
 380 {
 381 #if defined TIZEN_EXT
 382         connman_technology_driver_unregister(&eth_driver);
 383 #endif
 384
 385         connman_technology_driver_unregister(&tech_driver);
 386
 387         connman_network_driver_unregister(&cable_driver);
 388
 389         connman_device_driver_unregister(&ethernet_driver);
 390 }
 391
 392 CONNMAN_PLUGIN_DEFINE(ethernet, "Ethernet interface plugin", VERSION,
 393                 CONNMAN_PLUGIN_PRIORITY_DEFAULT, ethernet_init, ethernet_exit)