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 #if defined TIZEN_EXT
  32 #define SIG_WIFI_REFCOUNT_NAME "connman_significant_wifi_profile_refcount"
  33 #endif
  34
  35 static GSList *device_list = NULL;
  36 static gchar **device_filter = NULL;
  37 static gchar **nodevice_filter = NULL;
  38
  39 enum connman_pending_type {
  40         PENDING_NONE    = 0,
  41         PENDING_ENABLE  = 1,
  42         PENDING_DISABLE = 2,
  43 };
  44
  45 struct connman_device {
  46         int refcount;
  47         enum connman_device_type type;
  48         enum connman_pending_type powered_pending;      /* Indicates a pending
  49                                                         enable/disable request */
  50         connman_bool_t powered;
  51         connman_bool_t scanning;
  52         connman_bool_t disconnected;
  53         connman_bool_t reconnect;
  54         char *name;
  55         char *node;
  56         char *address;
  57         char *interface;
  58         char *ident;
  59         char *path;
  60         char *devname;
  61         int phyindex;
  62         int index;
  63         guint pending_timeout;
  64
  65         struct connman_device_driver *driver;
  66         void *driver_data;
  67
  68         char *last_network;
  69         struct connman_network *network;
  70         GHashTable *networks;
  71
  72 #if defined TIZEN_EXT
  73         /* It contains number of favorite Wi-Fi profile.
  74          * If significant wifi profile is 0,Wi-Fi device does not trigger scan.
  75          */
  76         gint significant_wifi_profile_refcount;
  77 #endif
  78 };
  79
  80 #if defined TIZEN_EXT
  81 static void __connman_device_set_sig_wifi_profile_refcount(
  82                                 struct connman_device *device, gint refcount)
  83 {
  84         g_atomic_int_set(&device->significant_wifi_profile_refcount, refcount);
  85 }
  86
  87 void connman_device_sig_wifi_profile_ref(struct connman_device *device)
  88 {
  89         g_atomic_int_inc(&device->significant_wifi_profile_refcount);
  90 }
  91
  92 connman_bool_t connman_device_sig_wifi_profile_unref_and_test(
  93                                                 struct connman_device *device)
  94 {
  95         if (device->significant_wifi_profile_refcount > 0)
  96                 return (connman_bool_t)g_atomic_int_dec_and_test(
  97                                 &device->significant_wifi_profile_refcount);
  98
  99         return FALSE;
 100 }
 101
 102 #endif
 103
 104 static void clear_pending_trigger(struct connman_device *device)
 105 {
 106         if (device->pending_timeout > 0) {
 107                 g_source_remove(device->pending_timeout);
 108                 device->pending_timeout = 0;
 109         }
 110 }
 111
 112 static const char *type2description(enum connman_device_type type)
 113 {
 114         switch (type) {
 115         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 116         case CONNMAN_DEVICE_TYPE_VENDOR:
 117                 break;
 118         case CONNMAN_DEVICE_TYPE_ETHERNET:
 119                 return "Ethernet";
 120         case CONNMAN_DEVICE_TYPE_WIFI:
 121                 return "Wireless";
 122         case CONNMAN_DEVICE_TYPE_WIMAX:
 123                 return "WiMAX";
 124         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 125                 return "Bluetooth";
 126         case CONNMAN_DEVICE_TYPE_GPS:
 127                 return "GPS";
 128         case CONNMAN_DEVICE_TYPE_CELLULAR:
 129                 return "Cellular";
 130         case CONNMAN_DEVICE_TYPE_GADGET:
 131                 return "Gadget";
 132
 133         }
 134
 135         return NULL;
 136 }
 137
 138 static const char *type2string(enum connman_device_type type)
 139 {
 140         switch (type) {
 141         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 142         case CONNMAN_DEVICE_TYPE_VENDOR:
 143                 break;
 144         case CONNMAN_DEVICE_TYPE_ETHERNET:
 145                 return "ethernet";
 146         case CONNMAN_DEVICE_TYPE_WIFI:
 147                 return "wifi";
 148         case CONNMAN_DEVICE_TYPE_WIMAX:
 149                 return "wimax";
 150         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 151                 return "bluetooth";
 152         case CONNMAN_DEVICE_TYPE_GPS:
 153                 return "gps";
 154         case CONNMAN_DEVICE_TYPE_CELLULAR:
 155                 return "cellular";
 156         case CONNMAN_DEVICE_TYPE_GADGET:
 157                 return "gadget";
 158
 159         }
 160
 161         return NULL;
 162 }
 163
 164 enum connman_service_type __connman_device_get_service_type(struct connman_device *device)
 165 {
 166         enum connman_device_type type = connman_device_get_type(device);
 167
 168         switch (type) {
 169         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 170         case CONNMAN_DEVICE_TYPE_VENDOR:
 171         case CONNMAN_DEVICE_TYPE_GPS:
 172                 break;
 173         case CONNMAN_DEVICE_TYPE_ETHERNET:
 174                 return CONNMAN_SERVICE_TYPE_ETHERNET;
 175         case CONNMAN_DEVICE_TYPE_WIFI:
 176                 return CONNMAN_SERVICE_TYPE_WIFI;
 177         case CONNMAN_DEVICE_TYPE_WIMAX:
 178                 return CONNMAN_SERVICE_TYPE_WIMAX;
 179         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 180                 return CONNMAN_SERVICE_TYPE_BLUETOOTH;
 181         case CONNMAN_DEVICE_TYPE_CELLULAR:
 182                 return CONNMAN_SERVICE_TYPE_CELLULAR;
 183         case CONNMAN_DEVICE_TYPE_GADGET:
 184                 return CONNMAN_SERVICE_TYPE_GADGET;
 185
 186         }
 187
 188         return CONNMAN_SERVICE_TYPE_UNKNOWN;
 189 }
 190
 191 static gboolean device_pending_reset(gpointer user_data)
 192 {
 193         struct connman_device *device = user_data;
 194
 195         DBG("device %p", device);
 196
 197         /* Power request timedout, reset power pending state. */
 198         device->pending_timeout = 0;
 199         device->powered_pending = PENDING_NONE;
 200
 201         return FALSE;
 202 }
 203
 204 int __connman_device_enable(struct connman_device *device)
 205 {
 206         int err;
 207
 208         DBG("device %p", device);
 209
 210         if (!device->driver || !device->driver->enable)
 211                 return -EOPNOTSUPP;
 212
 213         /* There is an ongoing power disable request. */
 214         if (device->powered_pending == PENDING_DISABLE)
 215                 return -EBUSY;
 216
 217         if (device->powered_pending == PENDING_ENABLE)
 218                 return -EALREADY;
 219
 220         if (device->powered_pending == PENDING_NONE && device->powered == TRUE)
 221                 return -EALREADY;
 222
 223         device->powered_pending = PENDING_ENABLE;
 224
 225         err = device->driver->enable(device);
 226         /*
 227          * device gets enabled right away.
 228          * Invoke the callback
 229          */
 230         if (err == 0) {
 231                 connman_device_set_powered(device, TRUE);
 232                 goto done;
 233         }
 234
 235         if (err == -EALREADY) {
 236                 /* If device is already powered, but connman is not updated */
 237                 connman_device_set_powered(device, TRUE);
 238                 goto done;
 239         }
 240         /*
 241          * if err == -EINPROGRESS, then the DBus call to the respective daemon
 242          * was successful. We set a 4 sec timeout so if the daemon never
 243          * returns a reply, we would reset the pending request.
 244          */
 245         if (err == -EINPROGRESS)
 246                 device->pending_timeout = g_timeout_add_seconds(4,
 247                                         device_pending_reset, device);
 248 done:
 249         return err;
 250 }
 251
 252 int __connman_device_disable(struct connman_device *device)
 253 {
 254         int err;
 255
 256         DBG("device %p", device);
 257
 258         if (!device->driver || !device->driver->disable)
 259                 return -EOPNOTSUPP;
 260
 261         /* Ongoing power enable request */
 262         if (device->powered_pending == PENDING_ENABLE)
 263                 return -EBUSY;
 264
 265         if (device->powered_pending == PENDING_DISABLE)
 266                 return -EALREADY;
 267
 268         if (device->powered_pending == PENDING_NONE && device->powered == FALSE)
 269                 return -EALREADY;
 270
 271         device->powered_pending = PENDING_DISABLE;
 272         device->reconnect = FALSE;
 273
 274         if (device->network) {
 275                 struct connman_service *service =
 276                         __connman_service_lookup_from_network(device->network);
 277
 278                 if (service != NULL)
 279                         __connman_service_disconnect(service);
 280                 else
 281                         connman_network_set_connected(device->network, FALSE);
 282         }
 283
 284         err = device->driver->disable(device);
 285         if (err == 0 || err == -EALREADY) {
 286                 connman_device_set_powered(device, FALSE);
 287                 goto done;
 288         }
 289
 290         if (err == -EINPROGRESS)
 291                 device->pending_timeout = g_timeout_add_seconds(4,
 292                                         device_pending_reset, device);
 293 done:
 294         return err;
 295 }
 296
 297 static void probe_driver(struct connman_device_driver *driver)
 298 {
 299         GSList *list;
 300
 301         DBG("driver %p name %s", driver, driver->name);
 302
 303         for (list = device_list; list != NULL; list = list->next) {
 304                 struct connman_device *device = list->data;
 305
 306                 if (device->driver != NULL)
 307                         continue;
 308
 309                 if (driver->type != device->type)
 310                         continue;
 311
 312                 if (driver->probe(device) < 0)
 313                         continue;
 314
 315                 device->driver = driver;
 316
 317                 __connman_technology_add_device(device);
 318         }
 319 }
 320
 321 static void remove_device(struct connman_device *device)
 322 {
 323         DBG("device %p", device);
 324
 325         __connman_device_disable(device);
 326
 327         __connman_technology_remove_device(device);
 328
 329         if (device->driver->remove)
 330                 device->driver->remove(device);
 331
 332         device->driver = NULL;
 333 }
 334
 335 static void remove_driver(struct connman_device_driver *driver)
 336 {
 337         GSList *list;
 338
 339         DBG("driver %p name %s", driver, driver->name);
 340
 341         for (list = device_list; list != NULL; list = list->next) {
 342                 struct connman_device *device = list->data;
 343
 344                 if (device->driver == driver)
 345                         remove_device(device);
 346         }
 347 }
 348
 349 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 350 {
 351         if (device == NULL || device->driver == NULL)
 352                 return FALSE;
 353
 354         return TRUE;
 355 }
 356
 357 static GSList *driver_list = NULL;
 358
 359 static gint compare_priority(gconstpointer a, gconstpointer b)
 360 {
 361         const struct connman_device_driver *driver1 = a;
 362         const struct connman_device_driver *driver2 = b;
 363
 364         return driver2->priority - driver1->priority;
 365 }
 366
 367 /**
 368  * connman_device_driver_register:
 369  * @driver: device driver definition
 370  *
 371  * Register a new device driver
 372  *
 373  * Returns: %0 on success
 374  */
 375 int connman_device_driver_register(struct connman_device_driver *driver)
 376 {
 377         DBG("driver %p name %s", driver, driver->name);
 378
 379         driver_list = g_slist_insert_sorted(driver_list, driver,
 380                                                         compare_priority);
 381         probe_driver(driver);
 382
 383         return 0;
 384 }
 385
 386 /**
 387  * connman_device_driver_unregister:
 388  * @driver: device driver definition
 389  *
 390  * Remove a previously registered device driver
 391  */
 392 void connman_device_driver_unregister(struct connman_device_driver *driver)
 393 {
 394         DBG("driver %p name %s", driver, driver->name);
 395
 396         driver_list = g_slist_remove(driver_list, driver);
 397
 398         remove_driver(driver);
 399 }
 400
 401 static void free_network(gpointer data)
 402 {
 403         struct connman_network *network = data;
 404
 405         DBG("network %p", network);
 406
 407         __connman_network_set_device(network, NULL);
 408
 409         connman_network_unref(network);
 410 }
 411
 412 static void device_destruct(struct connman_device *device)
 413 {
 414         DBG("device %p name %s", device, device->name);
 415
 416         clear_pending_trigger(device);
 417
 418         g_free(device->ident);
 419         g_free(device->node);
 420         g_free(device->name);
 421         g_free(device->address);
 422         g_free(device->interface);
 423         g_free(device->path);
 424         g_free(device->devname);
 425
 426         g_free(device->last_network);
 427
 428         g_hash_table_destroy(device->networks);
 429         device->networks = NULL;
 430
 431         g_free(device);
 432 }
 433
 434 #if defined TIZEN_EXT
 435 connman_bool_t connman_device_load_sig_wifi_profile_refcount_from_storage(
 436                                                 struct connman_device *device)
 437 {
 438         GKeyFile *keyfile = NULL;
 439
 440         keyfile = __connman_storage_load_global();
 441
 442         if (g_key_file_has_group(keyfile, SIG_WIFI_REFCOUNT_NAME) == FALSE) {
 443                 g_key_file_free(keyfile);
 444                 return FALSE;
 445         }
 446
 447         __connman_device_set_sig_wifi_profile_refcount(device,
 448                         g_key_file_get_integer(keyfile, SIG_WIFI_REFCOUNT_NAME,
 449                         "ReferenceCount", NULL));
 450
 451         g_key_file_free(keyfile);
 452         return TRUE;
 453 }
 454
 455 connman_bool_t connman_device_save_sig_wifi_profile_refcount2storage(
 456                                                 struct connman_device *device)
 457 {
 458         GKeyFile *keyfile = NULL;
 459
 460         keyfile = __connman_storage_load_global();
 461
 462         g_key_file_set_integer(keyfile, SIG_WIFI_REFCOUNT_NAME,
 463                         "ReferenceCount",
 464                         device->significant_wifi_profile_refcount);
 465
 466         __connman_storage_save_global(keyfile);
 467
 468         g_key_file_free(keyfile);
 469         return TRUE;
 470 }
 471 #endif
 472
 473 /**
 474  * connman_device_create:
 475  * @node: device node name (for example an address)
 476  * @type: device type
 477  *
 478  * Allocate a new device of given #type and assign the #node name to it.
 479  *
 480  * Returns: a newly-allocated #connman_device structure
 481  */
 482 struct connman_device *connman_device_create(const char *node,
 483                                                 enum connman_device_type type)
 484 {
 485         struct connman_device *device;
 486
 487         DBG("node %s type %d", node, type);
 488
 489         device = g_try_new0(struct connman_device, 1);
 490         if (device == NULL)
 491                 return NULL;
 492
 493         DBG("device %p", device);
 494
 495         device->refcount = 1;
 496
 497 #if defined TIZEN_EXT
 498         if (type == CONNMAN_DEVICE_TYPE_WIFI) {
 499                 /* Load significant_wifi_profile_refcount */
 500                 if (connman_device_load_sig_wifi_profile_refcount_from_storage
 501                                                         (device) == FALSE) {
 502                         __connman_device_set_sig_wifi_profile_refcount(
 503                                                                 device, 0);
 504                         connman_device_save_sig_wifi_profile_refcount2storage(
 505                                                                 device);
 506                 }
 507         } else
 508                 __connman_device_set_sig_wifi_profile_refcount(device, 0);
 509 #endif
 510         device->type = type;
 511         device->name = g_strdup(type2description(device->type));
 512
 513         device->phyindex = -1;
 514
 515         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 516                                                 g_free, free_network);
 517
 518         device_list = g_slist_append(device_list, device);
 519
 520         return device;
 521 }
 522
 523 /**
 524  * connman_device_ref:
 525  * @device: device structure
 526  *
 527  * Increase reference counter of device
 528  */
 529 struct connman_device *connman_device_ref_debug(struct connman_device *device,
 530                                 const char *file, int line, const char *caller)
 531 {
 532         DBG("%p ref %d by %s:%d:%s()", device, device->refcount + 1,
 533                 file, line, caller);
 534
 535         __sync_fetch_and_add(&device->refcount, 1);
 536
 537         return device;
 538 }
 539
 540 /**
 541  * connman_device_unref:
 542  * @device: device structure
 543  *
 544  * Decrease reference counter of device
 545  */
 546 void connman_device_unref_debug(struct connman_device *device,
 547                                 const char *file, int line, const char *caller)
 548 {
 549         DBG("%p ref %d by %s:%d:%s()", device, device->refcount - 1,
 550                 file, line, caller);
 551
 552         if (__sync_fetch_and_sub(&device->refcount, 1) != 1)
 553                 return;
 554
 555         if (device->driver) {
 556                 device->driver->remove(device);
 557                 device->driver = NULL;
 558         }
 559
 560         device_list = g_slist_remove(device_list, device);
 561
 562         device_destruct(device);
 563 }
 564
 565 const char *__connman_device_get_type(struct connman_device *device)
 566 {
 567         return type2string(device->type);
 568 }
 569
 570 /**
 571  * connman_device_get_type:
 572  * @device: device structure
 573  *
 574  * Get type of device
 575  */
 576 enum connman_device_type connman_device_get_type(struct connman_device *device)
 577 {
 578         return device->type;
 579 }
 580
 581 /**
 582  * connman_device_set_index:
 583  * @device: device structure
 584  * @index: index number
 585  *
 586  * Set index number of device
 587  */
 588 void connman_device_set_index(struct connman_device *device, int index)
 589 {
 590         device->index = index;
 591 }
 592
 593 /**
 594  * connman_device_get_index:
 595  * @device: device structure
 596  *
 597  * Get index number of device
 598  */
 599 int connman_device_get_index(struct connman_device *device)
 600 {
 601         return device->index;
 602 }
 603
 604 int __connman_device_get_phyindex(struct connman_device *device)
 605 {
 606         return device->phyindex;
 607 }
 608
 609 void __connman_device_set_phyindex(struct connman_device *device,
 610                                                         int phyindex)
 611 {
 612         device->phyindex = phyindex;
 613 }
 614
 615 /**
 616  * connman_device_set_interface:
 617  * @device: device structure
 618  * @interface: interface name
 619  *
 620  * Set interface name of device
 621  */
 622 void connman_device_set_interface(struct connman_device *device,
 623                                                 const char *interface)
 624 {
 625         g_free(device->devname);
 626         device->devname = g_strdup(interface);
 627
 628         g_free(device->interface);
 629         device->interface = g_strdup(interface);
 630
 631         if (device->name == NULL) {
 632                 const char *str = type2description(device->type);
 633                 if (str != NULL && device->interface != NULL)
 634                         device->name = g_strdup_printf("%s (%s)", str,
 635                                                         device->interface);
 636         }
 637 }
 638
 639 /**
 640  * connman_device_set_ident:
 641  * @device: device structure
 642  * @ident: unique identifier
 643  *
 644  * Set unique identifier of device
 645  */
 646 void connman_device_set_ident(struct connman_device *device,
 647                                                         const char *ident)
 648 {
 649         g_free(device->ident);
 650         device->ident = g_strdup(ident);
 651 }
 652
 653 const char *connman_device_get_ident(struct connman_device *device)
 654 {
 655         return device->ident;
 656 }
 657
 658 /**
 659  * connman_device_set_powered:
 660  * @device: device structure
 661  * @powered: powered state
 662  *
 663  * Change power state of device
 664  */
 665 int connman_device_set_powered(struct connman_device *device,
 666                                                 connman_bool_t powered)
 667 {
 668         enum connman_service_type type;
 669
 670         DBG("driver %p powered %d", device, powered);
 671
 672         if (device->powered == powered)
 673                 return -EALREADY;
 674
 675         clear_pending_trigger(device);
 676
 677         device->powered_pending = PENDING_NONE;
 678
 679         device->powered = powered;
 680
 681         type = __connman_device_get_service_type(device);
 682
 683         if (device->powered == FALSE) {
 684                 __connman_technology_disabled(type);
 685                 return 0;
 686         }
 687
 688         __connman_technology_enabled(type);
 689
 690         connman_device_set_disconnected(device, FALSE);
 691         device->scanning = FALSE;
 692
 693         if (device->driver && device->driver->scan_fast)
 694                 device->driver->scan_fast(device);
 695         else if (device->driver && device->driver->scan)
 696                 device->driver->scan(device);
 697
 698         return 0;
 699 }
 700
 701 #if defined TIZEN_EXT
 702 static gboolean allow_wifi_scan(struct connman_device *device)
 703 {
 704         GHashTableIter iter;
 705         gpointer key, value;
 706
 707         g_hash_table_iter_init(&iter, device->networks);
 708
 709         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
 710                 struct connman_network *network = value;
 711
 712                 if (connman_network_get_connecting(network) == TRUE)
 713                         return FALSE;
 714
 715                 if (connman_network_get_associating(network) == TRUE)
 716                         return FALSE;
 717         }
 718
 719         return TRUE;
 720 }
 721 #endif
 722
 723 static int device_scan(struct connman_device *device)
 724 {
 725         if (!device->driver || !device->driver->scan)
 726                 return -EOPNOTSUPP;
 727
 728         if (device->powered == FALSE)
 729                 return -ENOLINK;
 730
 731 #if defined TIZEN_EXT
 732         if (device->type == CONNMAN_DEVICE_TYPE_WIFI &&
 733                                 allow_wifi_scan(device) == FALSE)
 734                 return -EBUSY;
 735 #endif
 736         return device->driver->scan(device);
 737 }
 738
 739 int __connman_device_disconnect(struct connman_device *device)
 740 {
 741         GHashTableIter iter;
 742         gpointer key, value;
 743
 744         DBG("device %p", device);
 745
 746         connman_device_set_disconnected(device, TRUE);
 747
 748         g_hash_table_iter_init(&iter, device->networks);
 749
 750         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
 751                 struct connman_network *network = value;
 752
 753                 if (connman_network_get_connecting(network) == TRUE) {
 754                         /*
 755                          * Skip network in the process of connecting.
 756                          * This is a workaround for WiFi networks serviced
 757                          * by the supplicant plugin that hold a reference
 758                          * to the network.  If we disconnect the network
 759                          * here then the referenced object will not be
 760                          * registered and usage (like launching DHCP client)
 761                          * will fail.  There is nothing to be gained by
 762                          * removing the network here anyway.
 763                          */
 764                         connman_warn("Skipping disconnect of %s, network is connecting.",
 765                                 connman_network_get_identifier(network));
 766                         continue;
 767                 }
 768
 769                 __connman_network_disconnect(network);
 770         }
 771
 772         return 0;
 773 }
 774
 775 static void mark_network_available(gpointer key, gpointer value,
 776                                                         gpointer user_data)
 777 {
 778         struct connman_network *network = value;
 779
 780         connman_network_set_available(network, TRUE);
 781 }
 782
 783 static void mark_network_unavailable(gpointer key, gpointer value,
 784                                                         gpointer user_data)
 785 {
 786         struct connman_network *network = value;
 787
 788         if (connman_network_get_connected(network) == TRUE)
 789                 return;
 790
 791         connman_network_set_available(network, FALSE);
 792 }
 793
 794 static gboolean remove_unavailable_network(gpointer key, gpointer value,
 795                                                         gpointer user_data)
 796 {
 797         struct connman_network *network = value;
 798
 799         if (connman_network_get_connected(network) == TRUE)
 800                 return FALSE;
 801
 802         if (connman_network_get_available(network) == TRUE)
 803                 return FALSE;
 804
 805         return TRUE;
 806 }
 807
 808 void __connman_device_cleanup_networks(struct connman_device *device)
 809 {
 810         g_hash_table_foreach_remove(device->networks,
 811                                         remove_unavailable_network, NULL);
 812 }
 813
 814 connman_bool_t connman_device_get_scanning(struct connman_device *device)
 815 {
 816         return device->scanning;
 817 }
 818
 819 void connman_device_reset_scanning(struct connman_device *device)
 820 {
 821         g_hash_table_foreach(device->networks,
 822                                 mark_network_available, NULL);
 823 }
 824
 825 /**
 826  * connman_device_set_scanning:
 827  * @device: device structure
 828  * @scanning: scanning state
 829  *
 830  * Change scanning state of device
 831  */
 832 int connman_device_set_scanning(struct connman_device *device,
 833                                                 connman_bool_t scanning)
 834 {
 835         DBG("device %p scanning %d", device, scanning);
 836
 837         if (!device->driver || !device->driver->scan)
 838                 return -EINVAL;
 839
 840         if (device->scanning == scanning)
 841                 return -EALREADY;
 842
 843         device->scanning = scanning;
 844
 845         if (scanning == TRUE) {
 846                 __connman_technology_scan_started(device);
 847
 848                 g_hash_table_foreach(device->networks,
 849                                         mark_network_unavailable, NULL);
 850
 851                 return 0;
 852         }
 853
 854         __connman_device_cleanup_networks(device);
 855
 856         __connman_technology_scan_stopped(device);
 857
 858         __connman_service_auto_connect();
 859
 860         return 0;
 861 }
 862
 863 /**
 864  * connman_device_set_disconnected:
 865  * @device: device structure
 866  * @disconnected: disconnected state
 867  *
 868  * Change disconnected state of device (only for device with networks)
 869  */
 870 int connman_device_set_disconnected(struct connman_device *device,
 871                                                 connman_bool_t disconnected)
 872 {
 873         DBG("device %p disconnected %d", device, disconnected);
 874
 875         if (device->disconnected == disconnected)
 876                 return -EALREADY;
 877
 878         device->disconnected = disconnected;
 879
 880         return 0;
 881 }
 882
 883 /**
 884  * connman_device_get_disconnected:
 885  * @device: device structure
 886  *
 887  * Get device disconnected state
 888  */
 889 connman_bool_t connman_device_get_disconnected(struct connman_device *device)
 890 {
 891         return device->disconnected;
 892 }
 893
 894 /**
 895  * connman_device_set_string:
 896  * @device: device structure
 897  * @key: unique identifier
 898  * @value: string value
 899  *
 900  * Set string value for specific key
 901  */
 902 int connman_device_set_string(struct connman_device *device,
 903                                         const char *key, const char *value)
 904 {
 905         DBG("device %p key %s value %s", device, key, value);
 906
 907         if (g_str_equal(key, "Address") == TRUE) {
 908                 g_free(device->address);
 909                 device->address = g_strdup(value);
 910         } else if (g_str_equal(key, "Name") == TRUE) {
 911                 g_free(device->name);
 912                 device->name = g_strdup(value);
 913         } else if (g_str_equal(key, "Node") == TRUE) {
 914                 g_free(device->node);
 915                 device->node = g_strdup(value);
 916         } else if (g_str_equal(key, "Path") == TRUE) {
 917                 g_free(device->path);
 918                 device->path = g_strdup(value);
 919         } else {
 920                 return -EINVAL;
 921         }
 922
 923         return 0;
 924 }
 925
 926 /**
 927  * connman_device_get_string:
 928  * @device: device structure
 929  * @key: unique identifier
 930  *
 931  * Get string value for specific key
 932  */
 933 const char *connman_device_get_string(struct connman_device *device,
 934                                                         const char *key)
 935 {
 936         DBG("device %p key %s", device, key);
 937
 938         if (g_str_equal(key, "Address") == TRUE)
 939                 return device->address;
 940         else if (g_str_equal(key, "Name") == TRUE)
 941                 return device->name;
 942         else if (g_str_equal(key, "Node") == TRUE)
 943                 return device->node;
 944         else if (g_str_equal(key, "Interface") == TRUE)
 945                 return device->interface;
 946         else if (g_str_equal(key, "Path") == TRUE)
 947                 return device->path;
 948
 949         return NULL;
 950 }
 951
 952 /**
 953  * connman_device_add_network:
 954  * @device: device structure
 955  * @network: network structure
 956  *
 957  * Add new network to the device
 958  */
 959 int connman_device_add_network(struct connman_device *device,
 960                                         struct connman_network *network)
 961 {
 962         const char *identifier = connman_network_get_identifier(network);
 963
 964         DBG("device %p network %p", device, network);
 965
 966         if (identifier == NULL)
 967                 return -EINVAL;
 968
 969         connman_network_ref(network);
 970
 971         __connman_network_set_device(network, device);
 972
 973         g_hash_table_replace(device->networks, g_strdup(identifier),
 974                                                                 network);
 975
 976         return 0;
 977 }
 978
 979 /**
 980  * connman_device_get_network:
 981  * @device: device structure
 982  * @identifier: network identifier
 983  *
 984  * Get network for given identifier
 985  */
 986 struct connman_network *connman_device_get_network(struct connman_device *device,
 987                                                         const char *identifier)
 988 {
 989         DBG("device %p identifier %s", device, identifier);
 990
 991         return g_hash_table_lookup(device->networks, identifier);
 992 }
 993
 994 /**
 995  * connman_device_remove_network:
 996  * @device: device structure
 997  * @identifier: network identifier
 998  *
 999  * Remove network for given identifier
1000  */
1001 int connman_device_remove_network(struct connman_device *device,
1002                                                 struct connman_network *network)
1003 {
1004         const char *identifier;
1005
1006         DBG("device %p network %p", device, network);
1007
1008         if (network == NULL)
1009                 return 0;
1010
1011         identifier = connman_network_get_identifier(network);
1012         g_hash_table_remove(device->networks, identifier);
1013
1014         return 0;
1015 }
1016
1017 void connman_device_remove_all_networks(struct connman_device *device)
1018 {
1019         g_hash_table_remove_all(device->networks);
1020 }
1021
1022 void __connman_device_set_network(struct connman_device *device,
1023                                         struct connman_network *network)
1024 {
1025         const char *name;
1026
1027         if (device == NULL)
1028                 return;
1029
1030         if (device->network == network)
1031                 return;
1032
1033         if (network != NULL) {
1034                 name = connman_network_get_string(network, "Name");
1035                 g_free(device->last_network);
1036                 device->last_network = g_strdup(name);
1037
1038                 device->network = network;
1039         } else {
1040                 g_free(device->last_network);
1041                 device->last_network = NULL;
1042
1043                 device->network = NULL;
1044         }
1045 }
1046
1047 void __connman_device_set_reconnect(struct connman_device *device,
1048                                                 connman_bool_t reconnect)
1049 {
1050         device->reconnect = reconnect;
1051 }
1052
1053 connman_bool_t  __connman_device_get_reconnect(
1054                                 struct connman_device *device)
1055 {
1056         return device->reconnect;
1057 }
1058
1059 static gboolean match_driver(struct connman_device *device,
1060                                         struct connman_device_driver *driver)
1061 {
1062         if (device->type == driver->type ||
1063                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1064                 return TRUE;
1065
1066         return FALSE;
1067 }
1068
1069 /**
1070  * connman_device_register:
1071  * @device: device structure
1072  *
1073  * Register device with the system
1074  */
1075 int connman_device_register(struct connman_device *device)
1076 {
1077         GSList *list;
1078
1079         DBG("device %p name %s", device, device->name);
1080
1081         if (device->driver != NULL)
1082                 return -EALREADY;
1083
1084         for (list = driver_list; list; list = list->next) {
1085                 struct connman_device_driver *driver = list->data;
1086
1087                 if (match_driver(device, driver) == FALSE)
1088                         continue;
1089
1090                 DBG("driver %p name %s", driver, driver->name);
1091
1092                 if (driver->probe(device) == 0) {
1093                         device->driver = driver;
1094                         break;
1095                 }
1096         }
1097
1098         if (device->driver == NULL)
1099                 return 0;
1100
1101         return __connman_technology_add_device(device);
1102 }
1103
1104 /**
1105  * connman_device_unregister:
1106  * @device: device structure
1107  *
1108  * Unregister device with the system
1109  */
1110 void connman_device_unregister(struct connman_device *device)
1111 {
1112         DBG("device %p name %s", device, device->name);
1113
1114         if (device->driver == NULL)
1115                 return;
1116
1117         remove_device(device);
1118 }
1119
1120 /**
1121  * connman_device_get_data:
1122  * @device: device structure
1123  *
1124  * Get private device data pointer
1125  */
1126 void *connman_device_get_data(struct connman_device *device)
1127 {
1128         return device->driver_data;
1129 }
1130
1131 /**
1132  * connman_device_set_data:
1133  * @device: device structure
1134  * @data: data pointer
1135  *
1136  * Set private device data pointer
1137  */
1138 void connman_device_set_data(struct connman_device *device, void *data)
1139 {
1140         device->driver_data = data;
1141 }
1142
1143 struct connman_device *__connman_device_find_device(
1144                                 enum connman_service_type type)
1145 {
1146         GSList *list;
1147
1148         for (list = device_list; list != NULL; list = list->next) {
1149                 struct connman_device *device = list->data;
1150                 enum connman_service_type service_type =
1151                         __connman_device_get_service_type(device);
1152
1153                 if (service_type != type)
1154                         continue;
1155
1156                 return device;
1157         }
1158
1159         return NULL;
1160 }
1161
1162 int __connman_device_request_scan(enum connman_service_type type)
1163 {
1164         connman_bool_t success = FALSE;
1165         int last_err = -ENOSYS;
1166         GSList *list;
1167         int err;
1168
1169         switch (type) {
1170         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1171         case CONNMAN_SERVICE_TYPE_SYSTEM:
1172         case CONNMAN_SERVICE_TYPE_ETHERNET:
1173         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
1174         case CONNMAN_SERVICE_TYPE_CELLULAR:
1175         case CONNMAN_SERVICE_TYPE_GPS:
1176         case CONNMAN_SERVICE_TYPE_VPN:
1177         case CONNMAN_SERVICE_TYPE_GADGET:
1178                 return -EOPNOTSUPP;
1179         case CONNMAN_SERVICE_TYPE_WIFI:
1180         case CONNMAN_SERVICE_TYPE_WIMAX:
1181                 break;
1182         }
1183
1184         for (list = device_list; list != NULL; list = list->next) {
1185                 struct connman_device *device = list->data;
1186                 enum connman_service_type service_type =
1187                         __connman_device_get_service_type(device);
1188
1189                 if (service_type != CONNMAN_SERVICE_TYPE_UNKNOWN &&
1190                                 service_type != type) {
1191                         continue;
1192                 }
1193
1194                 err = device_scan(device);
1195                 if (err == 0 || err == -EALREADY || err == -EINPROGRESS) {
1196                         success = TRUE;
1197                 } else {
1198                         last_err = err;
1199                         DBG("device %p err %d", device, err);
1200                 }
1201         }
1202
1203         if (success == TRUE)
1204                 return 0;
1205
1206         return last_err;
1207 }
1208
1209 int __connman_device_request_hidden_scan(struct connman_device *device,
1210                                 const char *ssid, unsigned int ssid_len,
1211                                 const char *identity, const char *passphrase,
1212                                 void *user_data)
1213 {
1214         DBG("device %p", device);
1215
1216         if (device == NULL || device->driver == NULL ||
1217                         device->driver->scan_hidden == NULL)
1218                 return -EINVAL;
1219
1220         if (device->scanning == TRUE)
1221                 return -EALREADY;
1222
1223         return device->driver->scan_hidden(device, ssid, ssid_len,
1224                                         identity, passphrase, user_data);
1225 }
1226
1227 connman_bool_t __connman_device_isfiltered(const char *devname)
1228 {
1229         char **pattern;
1230         char **blacklisted_interfaces;
1231
1232         if (device_filter == NULL)
1233                 goto nodevice;
1234
1235         for (pattern = device_filter; *pattern; pattern++) {
1236                 if (g_pattern_match_simple(*pattern, devname) == FALSE) {
1237                         DBG("ignoring device %s (match)", devname);
1238                         return TRUE;
1239                 }
1240         }
1241
1242 nodevice:
1243         if (g_pattern_match_simple("dummy*", devname) == TRUE) {
1244                 DBG("ignoring dummy networking devices");
1245                 return TRUE;
1246         }
1247
1248         if (nodevice_filter == NULL)
1249                 goto list;
1250
1251         for (pattern = nodevice_filter; *pattern; pattern++) {
1252                 if (g_pattern_match_simple(*pattern, devname) == TRUE) {
1253                         DBG("ignoring device %s (no match)", devname);
1254                         return TRUE;
1255                 }
1256         }
1257
1258 list:
1259         blacklisted_interfaces =
1260                 connman_setting_get_string_list("NetworkInterfaceBlacklist");
1261         if (blacklisted_interfaces == NULL)
1262                 return FALSE;
1263
1264         for (pattern = blacklisted_interfaces; *pattern; pattern++) {
1265                 if (g_str_has_prefix(devname, *pattern) == TRUE) {
1266                         DBG("ignoring device %s (blacklist)", devname);
1267                         return TRUE;
1268                 }
1269         }
1270
1271         return FALSE;
1272 }
1273
1274 int __connman_device_init(const char *device, const char *nodevice)
1275 {
1276         DBG("");
1277
1278         if (device != NULL)
1279                 device_filter = g_strsplit(device, ",", -1);
1280
1281         if (nodevice != NULL)
1282                 nodevice_filter = g_strsplit(nodevice, ",", -1);
1283
1284         return 0;
1285 }
1286
1287 void __connman_device_cleanup(void)
1288 {
1289         DBG("");
1290
1291         g_strfreev(nodevice_filter);
1292         g_strfreev(device_filter);
1293 }