src/device.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2012  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 <string.h>
  28
  29 #include "connman.h"
  30
  31 static GSList *device_list = NULL;
  32 static gchar **device_filter = NULL;
  33 static gchar **nodevice_filter = NULL;
  34
  35 enum connman_pending_type {
  36         PENDING_NONE    = 0,
  37         PENDING_ENABLE  = 1,
  38         PENDING_DISABLE = 2,
  39 };
  40
  41 struct connman_device {
  42         int refcount;
  43         enum connman_device_type type;
  44         enum connman_pending_type powered_pending;      /* Indicates a pending
  45                                                         enable/disable request */
  46         connman_bool_t powered;
  47         connman_bool_t scanning;
  48         connman_bool_t disconnected;
  49         connman_bool_t reconnect;
  50         char *name;
  51         char *node;
  52         char *address;
  53         char *interface;
  54         char *ident;
  55         char *path;
  56         char *devname;
  57         int phyindex;
  58         int index;
  59         guint pending_timeout;
  60
  61         struct connman_device_driver *driver;
  62         void *driver_data;
  63
  64         char *last_network;
  65         struct connman_network *network;
  66         GHashTable *networks;
  67 };
  68
  69 static void clear_pending_trigger(struct connman_device *device)
  70 {
  71         if (device->pending_timeout > 0) {
  72                 g_source_remove(device->pending_timeout);
  73                 device->pending_timeout = 0;
  74         }
  75 }
  76
  77 static const char *type2description(enum connman_device_type type)
  78 {
  79         switch (type) {
  80         case CONNMAN_DEVICE_TYPE_UNKNOWN:
  81         case CONNMAN_DEVICE_TYPE_VENDOR:
  82                 break;
  83         case CONNMAN_DEVICE_TYPE_ETHERNET:
  84                 return "Ethernet";
  85         case CONNMAN_DEVICE_TYPE_WIFI:
  86                 return "Wireless";
  87         case CONNMAN_DEVICE_TYPE_WIMAX:
  88                 return "WiMAX";
  89         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
  90                 return "Bluetooth";
  91         case CONNMAN_DEVICE_TYPE_GPS:
  92                 return "GPS";
  93         case CONNMAN_DEVICE_TYPE_CELLULAR:
  94                 return "Cellular";
  95         case CONNMAN_DEVICE_TYPE_GADGET:
  96                 return "Gadget";
  97
  98         }
  99
 100         return NULL;
 101 }
 102
 103 static const char *type2string(enum connman_device_type type)
 104 {
 105         switch (type) {
 106         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 107         case CONNMAN_DEVICE_TYPE_VENDOR:
 108                 break;
 109         case CONNMAN_DEVICE_TYPE_ETHERNET:
 110                 return "ethernet";
 111         case CONNMAN_DEVICE_TYPE_WIFI:
 112                 return "wifi";
 113         case CONNMAN_DEVICE_TYPE_WIMAX:
 114                 return "wimax";
 115         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 116                 return "bluetooth";
 117         case CONNMAN_DEVICE_TYPE_GPS:
 118                 return "gps";
 119         case CONNMAN_DEVICE_TYPE_CELLULAR:
 120                 return "cellular";
 121         case CONNMAN_DEVICE_TYPE_GADGET:
 122                 return "gadget";
 123
 124         }
 125
 126         return NULL;
 127 }
 128
 129 enum connman_service_type __connman_device_get_service_type(struct connman_device *device)
 130 {
 131         enum connman_device_type type = connman_device_get_type(device);
 132
 133         switch (type) {
 134         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 135         case CONNMAN_DEVICE_TYPE_VENDOR:
 136         case CONNMAN_DEVICE_TYPE_GPS:
 137                 break;
 138         case CONNMAN_DEVICE_TYPE_ETHERNET:
 139                 return CONNMAN_SERVICE_TYPE_ETHERNET;
 140         case CONNMAN_DEVICE_TYPE_WIFI:
 141                 return CONNMAN_SERVICE_TYPE_WIFI;
 142         case CONNMAN_DEVICE_TYPE_WIMAX:
 143                 return CONNMAN_SERVICE_TYPE_WIMAX;
 144         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 145                 return CONNMAN_SERVICE_TYPE_BLUETOOTH;
 146         case CONNMAN_DEVICE_TYPE_CELLULAR:
 147                 return CONNMAN_SERVICE_TYPE_CELLULAR;
 148         case CONNMAN_DEVICE_TYPE_GADGET:
 149                 return CONNMAN_SERVICE_TYPE_GADGET;
 150
 151         }
 152
 153         return CONNMAN_SERVICE_TYPE_UNKNOWN;
 154 }
 155
 156 static gboolean device_pending_reset(gpointer user_data)
 157 {
 158         struct connman_device *device = user_data;
 159
 160         DBG("device %p", device);
 161
 162         /* Power request timedout, reset power pending state. */
 163         device->pending_timeout = 0;
 164         device->powered_pending = PENDING_NONE;
 165
 166         return FALSE;
 167 }
 168
 169 int __connman_device_enable(struct connman_device *device)
 170 {
 171         int err;
 172
 173         DBG("device %p", device);
 174
 175         if (!device->driver || !device->driver->enable)
 176                 return -EOPNOTSUPP;
 177
 178         /* There is an ongoing power disable request. */
 179         if (device->powered_pending == PENDING_DISABLE)
 180                 return -EBUSY;
 181
 182         if (device->powered_pending == PENDING_ENABLE)
 183                 return -EALREADY;
 184
 185         if (device->powered_pending == PENDING_NONE && device->powered == TRUE)
 186                 return -EALREADY;
 187
 188         device->powered_pending = PENDING_ENABLE;
 189
 190         err = device->driver->enable(device);
 191         /*
 192          * device gets enabled right away.
 193          * Invoke the callback
 194          */
 195         if (err == 0) {
 196                 connman_device_set_powered(device, TRUE);
 197                 goto done;
 198         }
 199
 200         if (err == -EALREADY) {
 201                 /* If device is already powered, but connman is not updated */
 202                 connman_device_set_powered(device, TRUE);
 203                 goto done;
 204         }
 205         /*
 206          * if err == -EINPROGRESS, then the DBus call to the respective daemon
 207          * was successful. We set a 4 sec timeout so if the daemon never
 208          * returns a reply, we would reset the pending request.
 209          */
 210         if (err == -EINPROGRESS)
 211                 device->pending_timeout = g_timeout_add_seconds(4,
 212                                         device_pending_reset, device);
 213 done:
 214         return err;
 215 }
 216
 217 int __connman_device_disable(struct connman_device *device)
 218 {
 219         int err;
 220
 221         DBG("device %p", device);
 222
 223         if (!device->driver || !device->driver->disable)
 224                 return -EOPNOTSUPP;
 225
 226         /* Ongoing power enable request */
 227         if (device->powered_pending == PENDING_ENABLE)
 228                 return -EBUSY;
 229
 230         if (device->powered_pending == PENDING_DISABLE)
 231                 return -EALREADY;
 232
 233         if (device->powered_pending == PENDING_NONE && device->powered == FALSE)
 234                 return -EALREADY;
 235
 236         device->powered_pending = PENDING_DISABLE;
 237         device->reconnect = FALSE;
 238
 239         if (device->network) {
 240                 struct connman_service *service =
 241                         __connman_service_lookup_from_network(device->network);
 242
 243                 if (service != NULL)
 244                         __connman_service_disconnect(service);
 245                 else
 246                         connman_network_set_connected(device->network, FALSE);
 247         }
 248
 249         err = device->driver->disable(device);
 250         if (err == 0 || err == -EALREADY) {
 251                 connman_device_set_powered(device, FALSE);
 252                 goto done;
 253         }
 254
 255         if (err == -EINPROGRESS)
 256                 device->pending_timeout = g_timeout_add_seconds(4,
 257                                         device_pending_reset, device);
 258 done:
 259         return err;
 260 }
 261
 262 static void probe_driver(struct connman_device_driver *driver)
 263 {
 264         GSList *list;
 265
 266         DBG("driver %p name %s", driver, driver->name);
 267
 268         for (list = device_list; list != NULL; list = list->next) {
 269                 struct connman_device *device = list->data;
 270
 271                 if (device->driver != NULL)
 272                         continue;
 273
 274                 if (driver->type != device->type)
 275                         continue;
 276
 277                 if (driver->probe(device) < 0)
 278                         continue;
 279
 280                 device->driver = driver;
 281
 282                 __connman_technology_add_device(device);
 283         }
 284 }
 285
 286 static void remove_device(struct connman_device *device)
 287 {
 288         DBG("device %p", device);
 289
 290         __connman_device_disable(device);
 291
 292         __connman_technology_remove_device(device);
 293
 294         if (device->driver->remove)
 295                 device->driver->remove(device);
 296
 297         device->driver = NULL;
 298 }
 299
 300 static void remove_driver(struct connman_device_driver *driver)
 301 {
 302         GSList *list;
 303
 304         DBG("driver %p name %s", driver, driver->name);
 305
 306         for (list = device_list; list != NULL; list = list->next) {
 307                 struct connman_device *device = list->data;
 308
 309                 if (device->driver == driver)
 310                         remove_device(device);
 311         }
 312 }
 313
 314 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 315 {
 316         if (device == NULL || device->driver == NULL)
 317                 return FALSE;
 318
 319         return TRUE;
 320 }
 321
 322 static GSList *driver_list = NULL;
 323
 324 static gint compare_priority(gconstpointer a, gconstpointer b)
 325 {
 326         const struct connman_device_driver *driver1 = a;
 327         const struct connman_device_driver *driver2 = b;
 328
 329         return driver2->priority - driver1->priority;
 330 }
 331
 332 /**
 333  * connman_device_driver_register:
 334  * @driver: device driver definition
 335  *
 336  * Register a new device driver
 337  *
 338  * Returns: %0 on success
 339  */
 340 int connman_device_driver_register(struct connman_device_driver *driver)
 341 {
 342         DBG("driver %p name %s", driver, driver->name);
 343
 344         driver_list = g_slist_insert_sorted(driver_list, driver,
 345                                                         compare_priority);
 346         probe_driver(driver);
 347
 348         return 0;
 349 }
 350
 351 /**
 352  * connman_device_driver_unregister:
 353  * @driver: device driver definition
 354  *
 355  * Remove a previously registered device driver
 356  */
 357 void connman_device_driver_unregister(struct connman_device_driver *driver)
 358 {
 359         DBG("driver %p name %s", driver, driver->name);
 360
 361         driver_list = g_slist_remove(driver_list, driver);
 362
 363         remove_driver(driver);
 364 }
 365
 366 static void free_network(gpointer data)
 367 {
 368         struct connman_network *network = data;
 369
 370         DBG("network %p", network);
 371
 372         __connman_network_set_device(network, NULL);
 373
 374         connman_network_unref(network);
 375 }
 376
 377 static void device_destruct(struct connman_device *device)
 378 {
 379         DBG("device %p name %s", device, device->name);
 380
 381         clear_pending_trigger(device);
 382
 383         g_free(device->ident);
 384         g_free(device->node);
 385         g_free(device->name);
 386         g_free(device->address);
 387         g_free(device->interface);
 388         g_free(device->path);
 389         g_free(device->devname);
 390
 391         g_free(device->last_network);
 392
 393         g_hash_table_destroy(device->networks);
 394         device->networks = NULL;
 395
 396         g_free(device);
 397 }
 398
 399 /**
 400  * connman_device_create:
 401  * @node: device node name (for example an address)
 402  * @type: device type
 403  *
 404  * Allocate a new device of given #type and assign the #node name to it.
 405  *
 406  * Returns: a newly-allocated #connman_device structure
 407  */
 408 struct connman_device *connman_device_create(const char *node,
 409                                                 enum connman_device_type type)
 410 {
 411         struct connman_device *device;
 412
 413         DBG("node %s type %d", node, type);
 414
 415         device = g_try_new0(struct connman_device, 1);
 416         if (device == NULL)
 417                 return NULL;
 418
 419         DBG("device %p", device);
 420
 421         device->refcount = 1;
 422
 423         device->type = type;
 424         device->name = g_strdup(type2description(device->type));
 425
 426         device->phyindex = -1;
 427
 428         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 429                                                 g_free, free_network);
 430
 431         device_list = g_slist_append(device_list, device);
 432
 433         return device;
 434 }
 435
 436 /**
 437  * connman_device_ref:
 438  * @device: device structure
 439  *
 440  * Increase reference counter of device
 441  */
 442 struct connman_device *connman_device_ref_debug(struct connman_device *device,
 443                                 const char *file, int line, const char *caller)
 444 {
 445         DBG("%p ref %d by %s:%d:%s()", device, device->refcount + 1,
 446                 file, line, caller);
 447
 448         __sync_fetch_and_add(&device->refcount, 1);
 449
 450         return device;
 451 }
 452
 453 /**
 454  * connman_device_unref:
 455  * @device: device structure
 456  *
 457  * Decrease reference counter of device
 458  */
 459 void connman_device_unref_debug(struct connman_device *device,
 460                                 const char *file, int line, const char *caller)
 461 {
 462         DBG("%p ref %d by %s:%d:%s()", device, device->refcount - 1,
 463                 file, line, caller);
 464
 465         if (__sync_fetch_and_sub(&device->refcount, 1) != 1)
 466                 return;
 467
 468         if (device->driver) {
 469                 device->driver->remove(device);
 470                 device->driver = NULL;
 471         }
 472
 473         device_list = g_slist_remove(device_list, device);
 474
 475         device_destruct(device);
 476 }
 477
 478 const char *__connman_device_get_type(struct connman_device *device)
 479 {
 480         return type2string(device->type);
 481 }
 482
 483 /**
 484  * connman_device_get_type:
 485  * @device: device structure
 486  *
 487  * Get type of device
 488  */
 489 enum connman_device_type connman_device_get_type(struct connman_device *device)
 490 {
 491         return device->type;
 492 }
 493
 494 /**
 495  * connman_device_set_index:
 496  * @device: device structure
 497  * @index: index number
 498  *
 499  * Set index number of device
 500  */
 501 void connman_device_set_index(struct connman_device *device, int index)
 502 {
 503         device->index = index;
 504 }
 505
 506 /**
 507  * connman_device_get_index:
 508  * @device: device structure
 509  *
 510  * Get index number of device
 511  */
 512 int connman_device_get_index(struct connman_device *device)
 513 {
 514         return device->index;
 515 }
 516
 517 int __connman_device_get_phyindex(struct connman_device *device)
 518 {
 519         return device->phyindex;
 520 }
 521
 522 void __connman_device_set_phyindex(struct connman_device *device,
 523                                                         int phyindex)
 524 {
 525         device->phyindex = phyindex;
 526 }
 527
 528 /**
 529  * connman_device_set_interface:
 530  * @device: device structure
 531  * @interface: interface name
 532  *
 533  * Set interface name of device
 534  */
 535 void connman_device_set_interface(struct connman_device *device,
 536                                                 const char *interface)
 537 {
 538         g_free(device->devname);
 539         device->devname = g_strdup(interface);
 540
 541         g_free(device->interface);
 542         device->interface = g_strdup(interface);
 543
 544         if (device->name == NULL) {
 545                 const char *str = type2description(device->type);
 546                 if (str != NULL && device->interface != NULL)
 547                         device->name = g_strdup_printf("%s (%s)", str,
 548                                                         device->interface);
 549         }
 550 }
 551
 552 /**
 553  * connman_device_set_ident:
 554  * @device: device structure
 555  * @ident: unique identifier
 556  *
 557  * Set unique identifier of device
 558  */
 559 void connman_device_set_ident(struct connman_device *device,
 560                                                         const char *ident)
 561 {
 562         g_free(device->ident);
 563         device->ident = g_strdup(ident);
 564 }
 565
 566 const char *connman_device_get_ident(struct connman_device *device)
 567 {
 568         return device->ident;
 569 }
 570
 571 /**
 572  * connman_device_set_powered:
 573  * @device: device structure
 574  * @powered: powered state
 575  *
 576  * Change power state of device
 577  */
 578 int connman_device_set_powered(struct connman_device *device,
 579                                                 connman_bool_t powered)
 580 {
 581         enum connman_service_type type;
 582
 583         DBG("driver %p powered %d", device, powered);
 584
 585         if (device->powered == powered)
 586                 return -EALREADY;
 587
 588         clear_pending_trigger(device);
 589
 590         device->powered_pending = PENDING_NONE;
 591
 592         device->powered = powered;
 593
 594         type = __connman_device_get_service_type(device);
 595
 596         if (device->powered == FALSE) {
 597                 __connman_technology_disabled(type);
 598                 return 0;
 599         }
 600
 601         __connman_technology_enabled(type);
 602
 603         connman_device_set_disconnected(device, FALSE);
 604         device->scanning = FALSE;
 605
 606         if (device->driver && device->driver->scan_fast)
 607                 device->driver->scan_fast(device);
 608         else if (device->driver && device->driver->scan)
 609                 device->driver->scan(device);
 610
 611         return 0;
 612 }
 613
 614 static int device_scan(struct connman_device *device)
 615 {
 616         if (!device->driver || !device->driver->scan)
 617                 return -EOPNOTSUPP;
 618
 619         if (device->powered == FALSE)
 620                 return -ENOLINK;
 621
 622         return device->driver->scan(device);
 623 }
 624
 625 int __connman_device_disconnect(struct connman_device *device)
 626 {
 627         GHashTableIter iter;
 628         gpointer key, value;
 629
 630         DBG("device %p", device);
 631
 632         connman_device_set_disconnected(device, TRUE);
 633
 634         g_hash_table_iter_init(&iter, device->networks);
 635
 636         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
 637                 struct connman_network *network = value;
 638
 639                 if (connman_network_get_connecting(network) == TRUE) {
 640                         /*
 641                          * Skip network in the process of connecting.
 642                          * This is a workaround for WiFi networks serviced
 643                          * by the supplicant plugin that hold a reference
 644                          * to the network.  If we disconnect the network
 645                          * here then the referenced object will not be
 646                          * registered and usage (like launching DHCP client)
 647                          * will fail.  There is nothing to be gained by
 648                          * removing the network here anyway.
 649                          */
 650                         connman_warn("Skipping disconnect of %s, network is connecting.",
 651                                 connman_network_get_identifier(network));
 652                         continue;
 653                 }
 654
 655                 __connman_network_disconnect(network);
 656         }
 657
 658         return 0;
 659 }
 660
 661 static void mark_network_available(gpointer key, gpointer value,
 662                                                         gpointer user_data)
 663 {
 664         struct connman_network *network = value;
 665
 666         connman_network_set_available(network, TRUE);
 667 }
 668
 669 static void mark_network_unavailable(gpointer key, gpointer value,
 670                                                         gpointer user_data)
 671 {
 672         struct connman_network *network = value;
 673
 674         if (connman_network_get_connected(network) == TRUE)
 675                 return;
 676
 677         connman_network_set_available(network, FALSE);
 678 }
 679
 680 static gboolean remove_unavailable_network(gpointer key, gpointer value,
 681                                                         gpointer user_data)
 682 {
 683         struct connman_network *network = value;
 684
 685         if (connman_network_get_connected(network) == TRUE)
 686                 return FALSE;
 687
 688         if (connman_network_get_available(network) == TRUE)
 689                 return FALSE;
 690
 691         return TRUE;
 692 }
 693
 694 void __connman_device_cleanup_networks(struct connman_device *device)
 695 {
 696         g_hash_table_foreach_remove(device->networks,
 697                                         remove_unavailable_network, NULL);
 698 }
 699
 700 connman_bool_t connman_device_get_scanning(struct connman_device *device)
 701 {
 702         return device->scanning;
 703 }
 704
 705 void connman_device_reset_scanning(struct connman_device *device)
 706 {
 707         g_hash_table_foreach(device->networks,
 708                                 mark_network_available, NULL);
 709 }
 710
 711 /**
 712  * connman_device_set_scanning:
 713  * @device: device structure
 714  * @scanning: scanning state
 715  *
 716  * Change scanning state of device
 717  */
 718 int connman_device_set_scanning(struct connman_device *device,
 719                                                 connman_bool_t scanning)
 720 {
 721         DBG("device %p scanning %d", device, scanning);
 722
 723         if (!device->driver || !device->driver->scan)
 724                 return -EINVAL;
 725
 726         if (device->scanning == scanning)
 727                 return -EALREADY;
 728
 729         device->scanning = scanning;
 730
 731         if (scanning == TRUE) {
 732                 __connman_technology_scan_started(device);
 733
 734                 g_hash_table_foreach(device->networks,
 735                                         mark_network_unavailable, NULL);
 736
 737                 return 0;
 738         }
 739
 740         __connman_device_cleanup_networks(device);
 741
 742         __connman_technology_scan_stopped(device);
 743
 744         __connman_service_auto_connect();
 745
 746         return 0;
 747 }
 748
 749 /**
 750  * connman_device_set_disconnected:
 751  * @device: device structure
 752  * @disconnected: disconnected state
 753  *
 754  * Change disconnected state of device (only for device with networks)
 755  */
 756 int connman_device_set_disconnected(struct connman_device *device,
 757                                                 connman_bool_t disconnected)
 758 {
 759         DBG("device %p disconnected %d", device, disconnected);
 760
 761         if (device->disconnected == disconnected)
 762                 return -EALREADY;
 763
 764         device->disconnected = disconnected;
 765
 766         return 0;
 767 }
 768
 769 /**
 770  * connman_device_get_disconnected:
 771  * @device: device structure
 772  *
 773  * Get device disconnected state
 774  */
 775 connman_bool_t connman_device_get_disconnected(struct connman_device *device)
 776 {
 777         return device->disconnected;
 778 }
 779
 780 /**
 781  * connman_device_set_string:
 782  * @device: device structure
 783  * @key: unique identifier
 784  * @value: string value
 785  *
 786  * Set string value for specific key
 787  */
 788 int connman_device_set_string(struct connman_device *device,
 789                                         const char *key, const char *value)
 790 {
 791         DBG("device %p key %s value %s", device, key, value);
 792
 793         if (g_str_equal(key, "Address") == TRUE) {
 794                 g_free(device->address);
 795                 device->address = g_strdup(value);
 796         } else if (g_str_equal(key, "Name") == TRUE) {
 797                 g_free(device->name);
 798                 device->name = g_strdup(value);
 799         } else if (g_str_equal(key, "Node") == TRUE) {
 800                 g_free(device->node);
 801                 device->node = g_strdup(value);
 802         } else if (g_str_equal(key, "Path") == TRUE) {
 803                 g_free(device->path);
 804                 device->path = g_strdup(value);
 805         } else {
 806                 return -EINVAL;
 807         }
 808
 809         return 0;
 810 }
 811
 812 /**
 813  * connman_device_get_string:
 814  * @device: device structure
 815  * @key: unique identifier
 816  *
 817  * Get string value for specific key
 818  */
 819 const char *connman_device_get_string(struct connman_device *device,
 820                                                         const char *key)
 821 {
 822         DBG("device %p key %s", device, key);
 823
 824         if (g_str_equal(key, "Address") == TRUE)
 825                 return device->address;
 826         else if (g_str_equal(key, "Name") == TRUE)
 827                 return device->name;
 828         else if (g_str_equal(key, "Node") == TRUE)
 829                 return device->node;
 830         else if (g_str_equal(key, "Interface") == TRUE)
 831                 return device->interface;
 832         else if (g_str_equal(key, "Path") == TRUE)
 833                 return device->path;
 834
 835         return NULL;
 836 }
 837
 838 /**
 839  * connman_device_add_network:
 840  * @device: device structure
 841  * @network: network structure
 842  *
 843  * Add new network to the device
 844  */
 845 int connman_device_add_network(struct connman_device *device,
 846                                         struct connman_network *network)
 847 {
 848         const char *identifier = connman_network_get_identifier(network);
 849
 850         DBG("device %p network %p", device, network);
 851
 852         if (identifier == NULL)
 853                 return -EINVAL;
 854
 855         connman_network_ref(network);
 856
 857         __connman_network_set_device(network, device);
 858
 859         g_hash_table_replace(device->networks, g_strdup(identifier),
 860                                                                 network);
 861
 862         return 0;
 863 }
 864
 865 /**
 866  * connman_device_get_network:
 867  * @device: device structure
 868  * @identifier: network identifier
 869  *
 870  * Get network for given identifier
 871  */
 872 struct connman_network *connman_device_get_network(struct connman_device *device,
 873                                                         const char *identifier)
 874 {
 875         DBG("device %p identifier %s", device, identifier);
 876
 877         return g_hash_table_lookup(device->networks, identifier);
 878 }
 879
 880 /**
 881  * connman_device_remove_network:
 882  * @device: device structure
 883  * @identifier: network identifier
 884  *
 885  * Remove network for given identifier
 886  */
 887 int connman_device_remove_network(struct connman_device *device,
 888                                                 struct connman_network *network)
 889 {
 890         const char *identifier;
 891
 892         DBG("device %p network %p", device, network);
 893
 894         if (network == NULL)
 895                 return 0;
 896
 897         identifier = connman_network_get_identifier(network);
 898         g_hash_table_remove(device->networks, identifier);
 899
 900         return 0;
 901 }
 902
 903 void connman_device_remove_all_networks(struct connman_device *device)
 904 {
 905         g_hash_table_remove_all(device->networks);
 906 }
 907
 908 void __connman_device_set_network(struct connman_device *device,
 909                                         struct connman_network *network)
 910 {
 911         const char *name;
 912
 913         if (device == NULL)
 914                 return;
 915
 916         if (device->network == network)
 917                 return;
 918
 919         if (network != NULL) {
 920                 name = connman_network_get_string(network, "Name");
 921                 g_free(device->last_network);
 922                 device->last_network = g_strdup(name);
 923
 924                 device->network = network;
 925         } else {
 926                 g_free(device->last_network);
 927                 device->last_network = NULL;
 928
 929                 device->network = NULL;
 930         }
 931 }
 932
 933 void __connman_device_set_reconnect(struct connman_device *device,
 934                                                 connman_bool_t reconnect)
 935 {
 936         device->reconnect = reconnect;
 937 }
 938
 939 connman_bool_t  __connman_device_get_reconnect(
 940                                 struct connman_device *device)
 941 {
 942         return device->reconnect;
 943 }
 944
 945 static gboolean match_driver(struct connman_device *device,
 946                                         struct connman_device_driver *driver)
 947 {
 948         if (device->type == driver->type ||
 949                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
 950                 return TRUE;
 951
 952         return FALSE;
 953 }
 954
 955 /**
 956  * connman_device_register:
 957  * @device: device structure
 958  *
 959  * Register device with the system
 960  */
 961 int connman_device_register(struct connman_device *device)
 962 {
 963         GSList *list;
 964
 965         DBG("device %p name %s", device, device->name);
 966
 967         if (device->driver != NULL)
 968                 return -EALREADY;
 969
 970         for (list = driver_list; list; list = list->next) {
 971                 struct connman_device_driver *driver = list->data;
 972
 973                 if (match_driver(device, driver) == FALSE)
 974                         continue;
 975
 976                 DBG("driver %p name %s", driver, driver->name);
 977
 978                 if (driver->probe(device) == 0) {
 979                         device->driver = driver;
 980                         break;
 981                 }
 982         }
 983
 984         if (device->driver == NULL)
 985                 return 0;
 986
 987         return __connman_technology_add_device(device);
 988 }
 989
 990 /**
 991  * connman_device_unregister:
 992  * @device: device structure
 993  *
 994  * Unregister device with the system
 995  */
 996 void connman_device_unregister(struct connman_device *device)
 997 {
 998         DBG("device %p name %s", device, device->name);
 999
1000         if (device->driver == NULL)
1001                 return;
1002
1003         remove_device(device);
1004 }
1005
1006 /**
1007  * connman_device_get_data:
1008  * @device: device structure
1009  *
1010  * Get private device data pointer
1011  */
1012 void *connman_device_get_data(struct connman_device *device)
1013 {
1014         return device->driver_data;
1015 }
1016
1017 /**
1018  * connman_device_set_data:
1019  * @device: device structure
1020  * @data: data pointer
1021  *
1022  * Set private device data pointer
1023  */
1024 void connman_device_set_data(struct connman_device *device, void *data)
1025 {
1026         device->driver_data = data;
1027 }
1028
1029 struct connman_device *__connman_device_find_device(
1030                                 enum connman_service_type type)
1031 {
1032         GSList *list;
1033
1034         for (list = device_list; list != NULL; list = list->next) {
1035                 struct connman_device *device = list->data;
1036                 enum connman_service_type service_type =
1037                         __connman_device_get_service_type(device);
1038
1039                 if (service_type != type)
1040                         continue;
1041
1042                 return device;
1043         }
1044
1045         return NULL;
1046 }
1047
1048 int __connman_device_request_scan(enum connman_service_type type)
1049 {
1050         connman_bool_t success = FALSE;
1051         int last_err = -ENOSYS;
1052         GSList *list;
1053         int err;
1054
1055         switch (type) {
1056         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1057         case CONNMAN_SERVICE_TYPE_SYSTEM:
1058         case CONNMAN_SERVICE_TYPE_ETHERNET:
1059         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
1060         case CONNMAN_SERVICE_TYPE_CELLULAR:
1061         case CONNMAN_SERVICE_TYPE_GPS:
1062         case CONNMAN_SERVICE_TYPE_VPN:
1063         case CONNMAN_SERVICE_TYPE_GADGET:
1064                 return -EOPNOTSUPP;
1065         case CONNMAN_SERVICE_TYPE_WIFI:
1066         case CONNMAN_SERVICE_TYPE_WIMAX:
1067                 break;
1068         }
1069
1070         for (list = device_list; list != NULL; list = list->next) {
1071                 struct connman_device *device = list->data;
1072                 enum connman_service_type service_type =
1073                         __connman_device_get_service_type(device);
1074
1075                 if (service_type != CONNMAN_SERVICE_TYPE_UNKNOWN &&
1076                                 service_type != type) {
1077                         continue;
1078                 }
1079
1080                 err = device_scan(device);
1081                 if (err == 0 || err == -EALREADY || err == -EINPROGRESS) {
1082                         success = TRUE;
1083                 } else {
1084                         last_err = err;
1085                         DBG("device %p err %d", device, err);
1086                 }
1087         }
1088
1089         if (success == TRUE)
1090                 return 0;
1091
1092         return last_err;
1093 }
1094
1095 int __connman_device_request_hidden_scan(struct connman_device *device,
1096                                 const char *ssid, unsigned int ssid_len,
1097                                 const char *identity, const char *passphrase,
1098                                 void *user_data)
1099 {
1100         DBG("device %p", device);
1101
1102         if (device == NULL || device->driver == NULL ||
1103                         device->driver->scan_hidden == NULL)
1104                 return -EINVAL;
1105
1106         if (device->scanning == TRUE)
1107                 return -EALREADY;
1108
1109         return device->driver->scan_hidden(device, ssid, ssid_len,
1110                                         identity, passphrase, user_data);
1111 }
1112
1113 connman_bool_t __connman_device_isfiltered(const char *devname)
1114 {
1115         char **pattern;
1116         char **blacklisted_interfaces;
1117
1118         if (device_filter == NULL)
1119                 goto nodevice;
1120
1121         for (pattern = device_filter; *pattern; pattern++) {
1122                 if (g_pattern_match_simple(*pattern, devname) == FALSE) {
1123                         DBG("ignoring device %s (match)", devname);
1124                         return TRUE;
1125                 }
1126         }
1127
1128 nodevice:
1129         if (g_pattern_match_simple("dummy*", devname) == TRUE) {
1130                 DBG("ignoring dummy networking devices");
1131                 return TRUE;
1132         }
1133
1134         if (nodevice_filter == NULL)
1135                 goto list;
1136
1137         for (pattern = nodevice_filter; *pattern; pattern++) {
1138                 if (g_pattern_match_simple(*pattern, devname) == TRUE) {
1139                         DBG("ignoring device %s (no match)", devname);
1140                         return TRUE;
1141                 }
1142         }
1143
1144 list:
1145         blacklisted_interfaces =
1146                 connman_setting_get_string_list("NetworkInterfaceBlacklist");
1147         if (blacklisted_interfaces == NULL)
1148                 return FALSE;
1149
1150         for (pattern = blacklisted_interfaces; *pattern; pattern++) {
1151                 if (g_str_has_prefix(devname, *pattern) == TRUE) {
1152                         DBG("ignoring device %s (blacklist)", devname);
1153                         return TRUE;
1154                 }
1155         }
1156
1157         return FALSE;
1158 }
1159
1160 int __connman_device_init(const char *device, const char *nodevice)
1161 {
1162         DBG("");
1163
1164         if (device != NULL)
1165                 device_filter = g_strsplit(device, ",", -1);
1166
1167         if (nodevice != NULL)
1168                 nodevice_filter = g_strsplit(nodevice, ",", -1);
1169
1170         return 0;
1171 }
1172
1173 void __connman_device_cleanup(void)
1174 {
1175         DBG("");
1176
1177         g_strfreev(nodevice_filter);
1178         g_strfreev(device_filter);
1179 }