vcs.maemo.org Git - connman/blob - plugins/supplicant.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2009  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 <stdlib.h>
  27 #include <string.h>
  28
  29 #include <gdbus.h>
  30
  31 #define CONNMAN_API_SUBJECT_TO_CHANGE
  32 #include <connman/log.h>
  33 #include <connman/dbus.h>
  34
  35 #include "inet.h"
  36 #include "supplicant.h"
  37
  38 #define TIMEOUT 5000
  39
  40 #define IEEE80211_CAP_ESS       0x0001
  41 #define IEEE80211_CAP_IBSS      0x0002
  42 #define IEEE80211_CAP_PRIVACY   0x0010
  43
  44 static GSList *driver_list = NULL;
  45
  46 static void process_state_change(struct connman_device *device,
  47                                                 enum supplicant_state state)
  48 {
  49         GSList *list;
  50
  51         for (list = driver_list; list; list = list->next) {
  52                 struct supplicant_driver *driver = list->data;
  53
  54                 if (driver->state_change)
  55                         driver->state_change(device, state);
  56         }
  57 }
  58
  59 static void process_clear_results(struct connman_device *device)
  60 {
  61         GSList *list;
  62
  63         for (list = driver_list; list; list = list->next) {
  64                 struct supplicant_driver *driver = list->data;
  65
  66                 if (driver->clear_results)
  67                         driver->clear_results(device);
  68         }
  69 }
  70
  71 static void process_scan_result(struct connman_device *device,
  72                                         struct supplicant_network *network)
  73 {
  74         GSList *list;
  75
  76         for (list = driver_list; list; list = list->next) {
  77                 struct supplicant_driver *driver = list->data;
  78
  79                 if (driver->scan_result)
  80                         driver->scan_result(device, network);
  81         }
  82 }
  83
  84 struct supplicant_task {
  85         int ifindex;
  86         gchar *ifname;
  87         struct connman_device *device;
  88         gchar *path;
  89         gboolean created;
  90         gchar *network;
  91         enum supplicant_state state;
  92 };
  93
  94 static GSList *task_list = NULL;
  95
  96 static DBusConnection *connection;
  97
  98 static void free_task(struct supplicant_task *task)
  99 {
 100         DBG("task %p", task);
 101
 102         g_free(task->ifname);
 103         g_free(task->path);
 104         g_free(task);
 105 }
 106
 107 static struct supplicant_task *find_task_by_index(int index)
 108 {
 109         GSList *list;
 110
 111         for (list = task_list; list; list = list->next) {
 112                 struct supplicant_task *task = list->data;
 113
 114                 if (task->ifindex == index)
 115                         return task;
 116         }
 117
 118         return NULL;
 119 }
 120
 121 static struct supplicant_task *find_task_by_path(const char *path)
 122 {
 123         GSList *list;
 124
 125         for (list = task_list; list; list = list->next) {
 126                 struct supplicant_task *task = list->data;
 127
 128                 if (g_str_equal(task->path, path) == TRUE)
 129                         return task;
 130         }
 131
 132         return NULL;
 133 }
 134
 135 static void add_interface_reply(DBusPendingCall *call, void *user_data)
 136 {
 137         struct supplicant_task *task = user_data;
 138         DBusMessage *reply;
 139         DBusError error;
 140         const char *path;
 141
 142         DBG("task %p", task);
 143
 144         reply = dbus_pending_call_steal_reply(call);
 145         if (reply == NULL)
 146                 return;
 147
 148         if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR)
 149                 goto done;
 150
 151         dbus_error_init(&error);
 152
 153         if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
 154                                                 DBUS_TYPE_INVALID) == FALSE) {
 155                 if (dbus_error_is_set(&error) == TRUE) {
 156                         connman_error("%s", error.message);
 157                         dbus_error_free(&error);
 158                 } else
 159                         connman_error("Wrong arguments for add interface");
 160                 goto done;
 161         }
 162
 163         DBG("path %s", path);
 164
 165         task->path = g_strdup(path);
 166         task->created = TRUE;
 167
 168         connman_device_set_powered(task->device, TRUE);
 169
 170 done:
 171         dbus_message_unref(reply);
 172 }
 173
 174 static int add_interface(struct supplicant_task *task)
 175 {
 176         DBusMessage *message;
 177         DBusPendingCall *call;
 178
 179         DBG("task %p", task);
 180
 181         message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
 182                                         SUPPLICANT_INTF, "addInterface");
 183         if (message == NULL)
 184                 return -ENOMEM;
 185
 186         dbus_message_append_args(message, DBUS_TYPE_STRING, &task->ifname,
 187                                                         DBUS_TYPE_INVALID);
 188
 189         if (dbus_connection_send_with_reply(connection, message,
 190                                                 &call, TIMEOUT) == FALSE) {
 191                 connman_error("Failed to add interface");
 192                 dbus_message_unref(message);
 193                 return -EIO;
 194         }
 195
 196         dbus_pending_call_set_notify(call, add_interface_reply, task, NULL);
 197
 198         dbus_message_unref(message);
 199
 200         return -EINPROGRESS;
 201 }
 202
 203 static void get_interface_reply(DBusPendingCall *call, void *user_data)
 204 {
 205         struct supplicant_task *task = user_data;
 206         DBusMessage *reply;
 207         DBusError error;
 208         const char *path;
 209
 210         DBG("task %p", task);
 211
 212         reply = dbus_pending_call_steal_reply(call);
 213         if (reply == NULL)
 214                 return;
 215
 216         if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
 217                 add_interface(task);
 218                 goto done;
 219         }
 220
 221         dbus_error_init(&error);
 222
 223         if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
 224                                                 DBUS_TYPE_INVALID) == FALSE) {
 225                 if (dbus_error_is_set(&error) == TRUE) {
 226                         connman_error("%s", error.message);
 227                         dbus_error_free(&error);
 228                 } else
 229                         connman_error("Wrong arguments for get interface");
 230                 goto done;
 231         }
 232
 233         DBG("path %s", path);
 234
 235         task->path = g_strdup(path);
 236         task->created = FALSE;
 237
 238         connman_device_set_powered(task->device, TRUE);
 239
 240 done:
 241         dbus_message_unref(reply);
 242 }
 243
 244 static int create_interface(struct supplicant_task *task)
 245 {
 246         DBusMessage *message;
 247         DBusPendingCall *call;
 248
 249         DBG("task %p", task);
 250
 251         message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
 252                                         SUPPLICANT_INTF, "getInterface");
 253         if (message == NULL)
 254                 return -ENOMEM;
 255
 256         dbus_message_append_args(message, DBUS_TYPE_STRING, &task->ifname,
 257                                                         DBUS_TYPE_INVALID);
 258
 259         if (dbus_connection_send_with_reply(connection, message,
 260                                                 &call, TIMEOUT) == FALSE) {
 261                 connman_error("Failed to get interface");
 262                 dbus_message_unref(message);
 263                 return -EIO;
 264         }
 265
 266         dbus_pending_call_set_notify(call, get_interface_reply, task, NULL);
 267
 268         dbus_message_unref(message);
 269
 270         return -EINPROGRESS;
 271 }
 272
 273 static void remove_interface_reply(DBusPendingCall *call, void *user_data)
 274 {
 275         struct supplicant_task *task = user_data;
 276         DBusMessage *reply;
 277
 278         DBG("task %p", task);
 279
 280         reply = dbus_pending_call_steal_reply(call);
 281
 282         connman_device_set_powered(task->device, FALSE);
 283
 284         free_task(task);
 285
 286         dbus_message_unref(reply);
 287 }
 288
 289 static int remove_interface(struct supplicant_task *task)
 290 {
 291         DBusMessage *message;
 292         DBusPendingCall *call;
 293
 294         DBG("task %p", task);
 295
 296         if (task->created == FALSE) {
 297                 connman_device_set_powered(task->device, FALSE);
 298                 return 0;
 299         }
 300
 301         message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
 302                                         SUPPLICANT_INTF, "removeInterface");
 303         if (message == NULL)
 304                 return -ENOMEM;
 305
 306         dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->path,
 307                                                         DBUS_TYPE_INVALID);
 308
 309         if (dbus_connection_send_with_reply(connection, message,
 310                                                 &call, TIMEOUT) == FALSE) {
 311                 connman_error("Failed to remove interface");
 312                 dbus_message_unref(message);
 313                 return -EIO;
 314         }
 315
 316         dbus_pending_call_set_notify(call, remove_interface_reply, task, NULL);
 317
 318         dbus_message_unref(message);
 319
 320         return -EINPROGRESS;
 321 }
 322
 323 #if 0
 324 static int set_ap_scan(struct supplicant_task *task)
 325 {
 326         DBusMessage *message, *reply;
 327         DBusError error;
 328         guint32 ap_scan = 1;
 329
 330         DBG("task %p", task);
 331
 332         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 333                                 SUPPLICANT_INTF ".Interface", "setAPScan");
 334         if (message == NULL)
 335                 return -ENOMEM;
 336
 337         dbus_message_append_args(message, DBUS_TYPE_UINT32, &ap_scan,
 338                                                         DBUS_TYPE_INVALID);
 339
 340         dbus_error_init(&error);
 341
 342         reply = dbus_connection_send_with_reply_and_block(connection,
 343                                                         message, -1, &error);
 344         if (reply == NULL) {
 345                 if (dbus_error_is_set(&error) == TRUE) {
 346                         connman_error("%s", error.message);
 347                         dbus_error_free(&error);
 348                 } else
 349                         connman_error("Failed to set AP scan");
 350                 dbus_message_unref(message);
 351                 return -EIO;
 352         }
 353
 354         dbus_message_unref(message);
 355
 356         dbus_message_unref(reply);
 357
 358         return 0;
 359 }
 360 #endif
 361
 362 static int add_network(struct supplicant_task *task)
 363 {
 364         DBusMessage *message, *reply;
 365         DBusError error;
 366         const char *path;
 367
 368         DBG("task %p", task);
 369
 370         if (task->network != NULL)
 371                 return -EALREADY;
 372
 373         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 374                                 SUPPLICANT_INTF ".Interface", "addNetwork");
 375         if (message == NULL)
 376                 return -ENOMEM;
 377
 378         dbus_error_init(&error);
 379
 380         reply = dbus_connection_send_with_reply_and_block(connection,
 381                                                         message, -1, &error);
 382         if (reply == NULL) {
 383                 if (dbus_error_is_set(&error) == TRUE) {
 384                         connman_error("%s", error.message);
 385                         dbus_error_free(&error);
 386                 } else
 387                         connman_error("Failed to add network");
 388                 dbus_message_unref(message);
 389                 return -EIO;
 390         }
 391
 392         dbus_message_unref(message);
 393
 394         dbus_error_init(&error);
 395
 396         if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
 397                                                 DBUS_TYPE_INVALID) == FALSE) {
 398                 if (dbus_error_is_set(&error) == TRUE) {
 399                         connman_error("%s", error.message);
 400                         dbus_error_free(&error);
 401                 } else
 402                         connman_error("Wrong arguments for network");
 403                 dbus_message_unref(reply);
 404                 return -EIO;
 405         }
 406
 407         DBG("path %s", path);
 408
 409         task->network = g_strdup(path);
 410
 411         dbus_message_unref(reply);
 412
 413         return 0;
 414 }
 415
 416 static int remove_network(struct supplicant_task *task)
 417 {
 418         DBusMessage *message, *reply;
 419         DBusError error;
 420
 421         DBG("task %p", task);
 422
 423         if (task->network == NULL)
 424                 return -EINVAL;
 425
 426         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 427                                 SUPPLICANT_INTF ".Interface", "removeNetwork");
 428         if (message == NULL)
 429                 return -ENOMEM;
 430
 431         dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->network,
 432                                                         DBUS_TYPE_INVALID);
 433
 434         dbus_error_init(&error);
 435
 436         reply = dbus_connection_send_with_reply_and_block(connection,
 437                                                         message, -1, &error);
 438         if (reply == NULL) {
 439                 if (dbus_error_is_set(&error) == TRUE) {
 440                         connman_error("%s", error.message);
 441                         dbus_error_free(&error);
 442                 } else
 443                         connman_error("Failed to remove network");
 444                 dbus_message_unref(message);
 445                 return -EIO;
 446         }
 447
 448         dbus_message_unref(message);
 449
 450         dbus_message_unref(reply);
 451
 452         g_free(task->network);
 453         task->network = NULL;
 454
 455         return 0;
 456 }
 457
 458 static int select_network(struct supplicant_task *task)
 459 {
 460         DBusMessage *message, *reply;
 461         DBusError error;
 462
 463         DBG("task %p", task);
 464
 465         if (task->network == NULL)
 466                 return -EINVAL;
 467
 468         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 469                                 SUPPLICANT_INTF ".Interface", "selectNetwork");
 470         if (message == NULL)
 471                 return -ENOMEM;
 472
 473         dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->network,
 474                                                         DBUS_TYPE_INVALID);
 475
 476         dbus_error_init(&error);
 477
 478         reply = dbus_connection_send_with_reply_and_block(connection,
 479                                                         message, -1, &error);
 480         if (reply == NULL) {
 481                 if (dbus_error_is_set(&error) == TRUE) {
 482                         connman_error("%s", error.message);
 483                         dbus_error_free(&error);
 484                 } else
 485                         connman_error("Failed to select network");
 486                 dbus_message_unref(message);
 487                 return -EIO;
 488         }
 489
 490         dbus_message_unref(message);
 491
 492         dbus_message_unref(reply);
 493
 494         return 0;
 495 }
 496
 497 static int enable_network(struct supplicant_task *task)
 498 {
 499         DBusMessage *message, *reply;
 500         DBusError error;
 501
 502         DBG("task %p", task);
 503
 504         if (task->network == NULL)
 505                 return -EINVAL;
 506
 507         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->network,
 508                                         SUPPLICANT_INTF ".Network", "enable");
 509         if (message == NULL)
 510                 return -ENOMEM;
 511
 512         dbus_error_init(&error);
 513
 514         reply = dbus_connection_send_with_reply_and_block(connection,
 515                                                         message, -1, &error);
 516         if (reply == NULL) {
 517                 if (dbus_error_is_set(&error) == TRUE) {
 518                         connman_error("%s", error.message);
 519                         dbus_error_free(&error);
 520                 } else
 521                         connman_error("Failed to enable network");
 522                 dbus_message_unref(message);
 523                 return -EIO;
 524         }
 525
 526         dbus_message_unref(message);
 527
 528         dbus_message_unref(reply);
 529
 530         return 0;
 531 }
 532
 533 static int disable_network(struct supplicant_task *task)
 534 {
 535         DBusMessage *message, *reply;
 536         DBusError error;
 537
 538         DBG("task %p", task);
 539
 540         if (task->network == NULL)
 541                 return -EINVAL;
 542
 543         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->network,
 544                                         SUPPLICANT_INTF ".Network", "disable");
 545         if (message == NULL)
 546                 return -ENOMEM;
 547
 548         dbus_error_init(&error);
 549
 550         reply = dbus_connection_send_with_reply_and_block(connection,
 551                                                         message, -1, &error);
 552         if (reply == NULL) {
 553                 if (dbus_error_is_set(&error) == TRUE) {
 554                         connman_error("%s", error.message);
 555                         dbus_error_free(&error);
 556                 } else
 557                         connman_error("Failed to disable network");
 558                 dbus_message_unref(message);
 559                 return -EIO;
 560         }
 561
 562         dbus_message_unref(message);
 563
 564         dbus_message_unref(reply);
 565
 566         return 0;
 567 }
 568
 569 static int set_network(struct supplicant_task *task,
 570                                 const unsigned char *network, int len,
 571                                 const char *security, const char *passphrase)
 572 {
 573         DBusMessage *message, *reply;
 574         DBusMessageIter array, dict;
 575         DBusError error;
 576
 577         DBG("task %p", task);
 578
 579         if (task->network == NULL)
 580                 return -EINVAL;
 581
 582         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->network,
 583                                         SUPPLICANT_INTF ".Network", "set");
 584         if (message == NULL)
 585                 return -ENOMEM;
 586
 587         dbus_message_iter_init_append(message, &array);
 588
 589         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 590                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 591                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 592                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 593
 594         connman_dbus_dict_append_array(&dict, "ssid",
 595                                         DBUS_TYPE_BYTE, &network, len);
 596
 597         if (g_ascii_strcasecmp(security, "wpa") == 0 ||
 598                                 g_ascii_strcasecmp(security, "wpa2") == 0) {
 599                 const char *key_mgmt = "WPA-PSK";
 600                 connman_dbus_dict_append_variant(&dict, "key_mgmt",
 601                                                 DBUS_TYPE_STRING, &key_mgmt);
 602
 603                 if (passphrase && strlen(passphrase) > 0)
 604                         connman_dbus_dict_append_variant(&dict, "psk",
 605                                                 DBUS_TYPE_STRING, &passphrase);
 606         } else if (g_ascii_strcasecmp(security, "wep") == 0) {
 607                 const char *key_mgmt = "NONE", *index = "0";
 608                 connman_dbus_dict_append_variant(&dict, "key_mgmt",
 609                                                 DBUS_TYPE_STRING, &key_mgmt);
 610
 611                 if (passphrase) {
 612                         int size = strlen(passphrase);
 613                         if (size == 10 || size == 26) {
 614                                 unsigned char *key = malloc(13);
 615                                 char tmp[3];
 616                                 int i;
 617                                 memset(tmp, 0, sizeof(tmp));
 618                                 if (key == NULL)
 619                                         size = 0;
 620                                 for (i = 0; i < size / 2; i++) {
 621                                         memcpy(tmp, passphrase + (i * 2), 2);
 622                                         key[i] = (unsigned char) strtol(tmp,
 623                                                                 NULL, 16);
 624                                 }
 625                                 connman_dbus_dict_append_array(&dict,
 626                                                 "wep_key0", DBUS_TYPE_BYTE,
 627                                                         &key, size / 2);
 628                                 free(key);
 629                         } else
 630                                 connman_dbus_dict_append_variant(&dict,
 631                                                 "wep_key0", DBUS_TYPE_STRING,
 632                                                                 &passphrase);
 633                         connman_dbus_dict_append_variant(&dict, "wep_tx_keyidx",
 634                                                 DBUS_TYPE_STRING, &index);
 635                 }
 636         } else {
 637                 const char *key_mgmt = "NONE";
 638                 connman_dbus_dict_append_variant(&dict, "key_mgmt",
 639                                                 DBUS_TYPE_STRING, &key_mgmt);
 640         }
 641
 642         dbus_message_iter_close_container(&array, &dict);
 643
 644         dbus_error_init(&error);
 645
 646         reply = dbus_connection_send_with_reply_and_block(connection,
 647                                                         message, -1, &error);
 648         if (reply == NULL) {
 649                 if (dbus_error_is_set(&error) == TRUE) {
 650                         connman_error("%s", error.message);
 651                         dbus_error_free(&error);
 652                 } else
 653                         connman_error("Failed to set network options");
 654                 dbus_message_unref(message);
 655                 return -EIO;
 656         }
 657
 658         dbus_message_unref(message);
 659
 660         dbus_message_unref(reply);
 661
 662         return 0;
 663 }
 664
 665 static int initiate_scan(struct supplicant_task *task)
 666 {
 667         DBusMessage *message;
 668         DBusPendingCall *call;
 669
 670         DBG("task %p", task);
 671
 672         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 673                                         SUPPLICANT_INTF ".Interface", "scan");
 674         if (message == NULL)
 675                 return -ENOMEM;
 676
 677         if (dbus_connection_send_with_reply(connection, message,
 678                                                 &call, TIMEOUT) == FALSE) {
 679                 connman_error("Failed to initiate scan");
 680                 dbus_message_unref(message);
 681                 return -EIO;
 682         }
 683
 684         dbus_message_unref(message);
 685
 686         return 0;
 687 }
 688
 689 static void extract_ssid(struct supplicant_network *network,
 690                                                 DBusMessageIter *value)
 691 {
 692         DBusMessageIter array;
 693         unsigned char *ssid;
 694         int ssid_len;
 695
 696         dbus_message_iter_recurse(value, &array);
 697         dbus_message_iter_get_fixed_array(&array, &ssid, &ssid_len);
 698
 699         if (ssid_len < 1)
 700                 return;
 701
 702         network->ssid = g_try_malloc(ssid_len);
 703         if (network->ssid == NULL)
 704                 return;
 705
 706         memcpy(network->ssid, ssid, ssid_len);
 707         network->ssid_len = ssid_len;
 708
 709         network->identifier = g_try_malloc0(ssid_len + 1);
 710         if (network->identifier == NULL)
 711                 return;
 712
 713         memcpy(network->identifier, ssid, ssid_len);
 714 }
 715
 716 static void extract_wpaie(struct supplicant_network *network,
 717                                                 DBusMessageIter *value)
 718 {
 719         DBusMessageIter array;
 720         unsigned char *ie;
 721         int ie_len;
 722
 723         dbus_message_iter_recurse(value, &array);
 724         dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
 725
 726         if (ie_len > 0)
 727                 network->has_wpa = TRUE;
 728 }
 729
 730 static void extract_rsnie(struct supplicant_network *network,
 731                                                 DBusMessageIter *value)
 732 {
 733         DBusMessageIter array;
 734         unsigned char *ie;
 735         int ie_len;
 736
 737         dbus_message_iter_recurse(value, &array);
 738         dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
 739
 740         if (ie_len > 0)
 741                 network->has_rsn = TRUE;
 742 }
 743
 744 static void extract_capabilites(struct supplicant_network *network,
 745                                                 DBusMessageIter *value)
 746 {
 747         dbus_message_iter_get_basic(value, &network->capabilities);
 748
 749         if (network->capabilities & IEEE80211_CAP_ESS)
 750                 network->adhoc = FALSE;
 751         else if (network->capabilities & IEEE80211_CAP_IBSS)
 752                 network->adhoc = TRUE;
 753
 754         if (network->capabilities & IEEE80211_CAP_PRIVACY)
 755                 network->has_wep = TRUE;
 756 }
 757
 758 static void properties_reply(DBusPendingCall *call, void *user_data)
 759 {
 760         struct supplicant_task *task = user_data;
 761         struct supplicant_network *network;
 762         DBusMessage *reply;
 763         DBusMessageIter array, dict;
 764
 765         DBG("task %p", task);
 766
 767         reply = dbus_pending_call_steal_reply(call);
 768
 769         network = g_try_new0(struct supplicant_network, 1);
 770         if (network == NULL)
 771                 goto done;
 772
 773         dbus_message_iter_init(reply, &array);
 774
 775         dbus_message_iter_recurse(&array, &dict);
 776
 777         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
 778                 DBusMessageIter entry, value;
 779                 const char *key;
 780
 781                 dbus_message_iter_recurse(&dict, &entry);
 782                 dbus_message_iter_get_basic(&entry, &key);
 783
 784                 dbus_message_iter_next(&entry);
 785
 786                 dbus_message_iter_recurse(&entry, &value);
 787
 788                 //type = dbus_message_iter_get_arg_type(&value);
 789                 //dbus_message_iter_get_basic(&value, &val);
 790
 791                 /*
 792                  * bssid        : a (97)
 793                  * ssid         : a (97)
 794                  * wpaie        : a (97)
 795                  * rsnie        : a (97)
 796                  * frequency    : i (105)
 797                  * capabilities : q (113)
 798                  * quality      : i (105)
 799                  * noise        : i (105)
 800                  * level        : i (105)
 801                  * maxrate      : i (105)
 802                  */
 803
 804                 if (g_str_equal(key, "ssid") == TRUE)
 805                         extract_ssid(network, &value);
 806                 else if (g_str_equal(key, "wpaie") == TRUE)
 807                         extract_wpaie(network, &value);
 808                 else if (g_str_equal(key, "rsnie") == TRUE)
 809                         extract_rsnie(network, &value);
 810                 else if (g_str_equal(key, "capabilities") == TRUE)
 811                         extract_capabilites(network, &value);
 812                 else if (g_str_equal(key, "quality") == TRUE)
 813                         dbus_message_iter_get_basic(&value, &network->quality);
 814                 else if (g_str_equal(key, "noise") == TRUE)
 815                         dbus_message_iter_get_basic(&value, &network->noise);
 816                 else if (g_str_equal(key, "level") == TRUE)
 817                         dbus_message_iter_get_basic(&value, &network->level);
 818                 else if (g_str_equal(key, "maxrate") == TRUE)
 819                         dbus_message_iter_get_basic(&value, &network->maxrate);
 820
 821
 822                 dbus_message_iter_next(&dict);
 823         }
 824
 825         process_scan_result(task->device, network);
 826
 827         g_free(network->identifier);
 828         g_free(network->ssid);
 829         g_free(network);
 830
 831 done:
 832         dbus_message_unref(reply);
 833 }
 834
 835 static int get_network_properties(struct supplicant_task *task,
 836                                                         const char *path)
 837 {
 838         DBusMessage *message;
 839         DBusPendingCall *call;
 840
 841         message = dbus_message_new_method_call(SUPPLICANT_NAME, path,
 842                                                 SUPPLICANT_INTF ".BSSID",
 843                                                                 "properties");
 844         if (message == NULL)
 845                 return -ENOMEM;
 846
 847         if (dbus_connection_send_with_reply(connection, message,
 848                                                 &call, TIMEOUT) == FALSE) {
 849                 connman_error("Failed to get network properties");
 850                 dbus_message_unref(message);
 851                 return -EIO;
 852         }
 853
 854         dbus_pending_call_set_notify(call, properties_reply, task, NULL);
 855
 856         dbus_message_unref(message);
 857
 858         return 0;
 859 }
 860
 861 static void scan_results_reply(DBusPendingCall *call, void *user_data)
 862 {
 863         struct supplicant_task *task = user_data;
 864         DBusMessage *reply;
 865         DBusError error;
 866         char **results;
 867         int i, num_results;
 868
 869         DBG("task %p", task);
 870
 871         reply = dbus_pending_call_steal_reply(call);
 872
 873         dbus_error_init(&error);
 874
 875         if (dbus_message_get_args(reply, &error,
 876                                 DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH,
 877                                                 &results, &num_results,
 878                                                 DBUS_TYPE_INVALID) == FALSE) {
 879                 if (dbus_error_is_set(&error) == TRUE) {
 880                         connman_error("%s", error.message);
 881                         dbus_error_free(&error);
 882                 } else
 883                         connman_error("Wrong arguments for scan result");
 884                 goto done;
 885         }
 886
 887         process_clear_results(task->device);
 888
 889         for (i = 0; i < num_results; i++)
 890                 get_network_properties(task, results[i]);
 891
 892         g_strfreev(results);
 893
 894 done:
 895         dbus_message_unref(reply);
 896 }
 897
 898 static int scan_results_available(struct supplicant_task *task)
 899 {
 900         DBusMessage *message;
 901         DBusPendingCall *call;
 902
 903         DBG("task %p", task);
 904
 905         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 906                                                 SUPPLICANT_INTF ".Interface",
 907                                                         "scanResults");
 908         if (message == NULL)
 909                 return -ENOMEM;
 910
 911         if (dbus_connection_send_with_reply(connection, message,
 912                                                 &call, TIMEOUT) == FALSE) {
 913                 connman_error("Failed to request scan result");
 914                 dbus_message_unref(message);
 915                 return -EIO;
 916         }
 917
 918         dbus_pending_call_set_notify(call, scan_results_reply, task, NULL);
 919
 920         dbus_message_unref(message);
 921
 922         return 0;
 923 }
 924
 925 static void state_change(struct supplicant_task *task, DBusMessage *msg)
 926 {
 927         DBusError error;
 928         const char *state, *previous;
 929
 930         dbus_error_init(&error);
 931
 932         if (dbus_message_get_args(msg, &error, DBUS_TYPE_STRING, &state,
 933                                                 DBUS_TYPE_STRING, &previous,
 934                                                 DBUS_TYPE_INVALID) == FALSE) {
 935                 if (dbus_error_is_set(&error) == TRUE) {
 936                         connman_error("%s", error.message);
 937                         dbus_error_free(&error);
 938                 } else
 939                         connman_error("Wrong arguments for state change");
 940                 return;
 941         }
 942
 943         DBG("state %s ==> %s", previous, state);
 944
 945         if (g_str_equal(state, "INACTIVE") == TRUE)
 946                 task->state = STATE_INACTIVE;
 947         else if (g_str_equal(state, "SCANNING") == TRUE)
 948                 task->state = STATE_SCANNING;
 949         else if (g_str_equal(state, "ASSOCIATING") == TRUE)
 950                 task->state = STATE_ASSOCIATING;
 951         else if (g_str_equal(state, "ASSOCIATED") == TRUE)
 952                 task->state = STATE_ASSOCIATED;
 953         else if (g_str_equal(state, "GROUP_HANDSHAKE") == TRUE)
 954                 task->state = STATE_4WAY_HANDSHAKE;
 955         else if (g_str_equal(state, "4WAY_HANDSHAKE") == TRUE)
 956                 task->state = STATE_4WAY_HANDSHAKE;
 957         else if (g_str_equal(state, "COMPLETED") == TRUE)
 958                 task->state = STATE_COMPLETED;
 959         else if (g_str_equal(state, "DISCONNECTED") == TRUE)
 960                 task->state = STATE_DISCONNECTED;
 961
 962         process_state_change(task->device, task->state);
 963
 964         switch (task->state) {
 965         case STATE_COMPLETED:
 966                 /* carrier on */
 967                 break;
 968         case STATE_DISCONNECTED:
 969                 /* carrier off */
 970                 break;
 971         default:
 972                 break;
 973         }
 974 }
 975
 976 static DBusHandlerResult supplicant_filter(DBusConnection *conn,
 977                                                 DBusMessage *msg, void *data)
 978 {
 979         struct supplicant_task *task;
 980         const char *member, *path;
 981
 982         if (dbus_message_has_interface(msg,
 983                                 SUPPLICANT_INTF ".Interface") == FALSE)
 984                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 985
 986         member = dbus_message_get_member(msg);
 987         if (member == NULL)
 988                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 989
 990         path = dbus_message_get_path(msg);
 991         if (path == NULL)
 992                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 993
 994         task = find_task_by_path(path);
 995         if (task == NULL)
 996                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 997
 998         DBG("task %p member %s", task, member);
 999
1000         if (g_str_equal(member, "ScanResultsAvailable") == TRUE)
1001                 scan_results_available(task);
1002         else if (g_str_equal(member, "StateChange") == TRUE)
1003                 state_change(task, msg);
1004
1005         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1006 }
1007
1008 int supplicant_start(struct connman_device *device)
1009 {
1010         struct supplicant_task *task;
1011
1012         DBG("device %p", device);
1013
1014         task = g_try_new0(struct supplicant_task, 1);
1015         if (task == NULL)
1016                 return -ENOMEM;
1017
1018         task->ifindex = connman_device_get_index(device);
1019         task->ifname = inet_index2name(task->ifindex);
1020         task->device = device;
1021
1022         if (task->ifname == NULL) {
1023                 g_free(task);
1024                 return -ENOMEM;
1025         }
1026
1027         task->created = FALSE;
1028         task->state = STATE_INACTIVE;
1029
1030         task_list = g_slist_append(task_list, task);
1031
1032         return create_interface(task);
1033 }
1034
1035 int supplicant_stop(struct connman_device *device)
1036 {
1037         int index = connman_device_get_index(device);
1038         struct supplicant_task *task;
1039
1040         DBG("device %p", device);
1041
1042         task = find_task_by_index(index);
1043         if (task == NULL)
1044                 return -ENODEV;
1045
1046         task_list = g_slist_remove(task_list, task);
1047
1048         disable_network(task);
1049
1050         remove_network(task);
1051
1052         return remove_interface(task);
1053 }
1054
1055 int supplicant_scan(struct connman_device *device)
1056 {
1057         int index = connman_device_get_index(device);
1058         struct supplicant_task *task;
1059         int err;
1060
1061         DBG("device %p", device);
1062
1063         task = find_task_by_index(index);
1064         if (task == NULL)
1065                 return -ENODEV;
1066
1067         switch (task->state) {
1068         case STATE_SCANNING:
1069                 return -EALREADY;
1070         case STATE_ASSOCIATING:
1071         case STATE_ASSOCIATED:
1072         case STATE_4WAY_HANDSHAKE:
1073         case STATE_GROUP_HANDSHAKE:
1074                 return -EBUSY;
1075         default:
1076                 break;
1077         }
1078
1079         err = initiate_scan(task);
1080
1081         return 0;
1082 }
1083
1084 int __supplicant_connect(struct connman_element *element,
1085                                 const unsigned char *ssid, int ssid_len,
1086                                 const char *security, const char *passphrase)
1087 {
1088         struct supplicant_task *task;
1089
1090         DBG("element %p", element);
1091
1092         task = find_task_by_index(element->index);
1093         if (task == NULL)
1094                 return -ENODEV;
1095
1096         add_network(task);
1097
1098         select_network(task);
1099         disable_network(task);
1100
1101         set_network(task, ssid, ssid_len, security, passphrase);
1102
1103         enable_network(task);
1104
1105         return 0;
1106 }
1107
1108 int __supplicant_disconnect(struct connman_element *element)
1109 {
1110         struct supplicant_task *task;
1111
1112         DBG("element %p", element);
1113
1114         task = find_task_by_index(element->index);
1115         if (task == NULL)
1116                 return -ENODEV;
1117
1118         disable_network(task);
1119
1120         remove_network(task);
1121
1122         return 0;
1123 }
1124
1125 static void supplicant_activate(DBusConnection *conn)
1126 {
1127         DBusMessage *message;
1128
1129         DBG("conn %p", conn);
1130
1131         message = dbus_message_new_method_call(SUPPLICANT_NAME, "/",
1132                                 DBUS_INTERFACE_INTROSPECTABLE, "Introspect");
1133         if (message == NULL)
1134                 return;
1135
1136         dbus_message_set_no_reply(message, TRUE);
1137
1138         dbus_connection_send(conn, message, NULL);
1139
1140         dbus_message_unref(message);
1141 }
1142
1143 static void supplicant_probe(DBusConnection *conn, void *user_data)
1144 {
1145         GSList *list;
1146
1147         DBG("conn %p", conn);
1148
1149         for (list = driver_list; list; list = list->next) {
1150                 struct supplicant_driver *driver = list->data;
1151
1152                 DBG("driver %p name %s", driver, driver->name);
1153
1154                 if (driver->probe)
1155                         driver->probe();
1156         }
1157 }
1158
1159 static void supplicant_remove(DBusConnection *conn, void *user_data)
1160 {
1161         GSList *list;
1162
1163         DBG("conn %p", conn);
1164
1165         for (list = driver_list; list; list = list->next) {
1166                 struct supplicant_driver *driver = list->data;
1167
1168                 DBG("driver %p name %s", driver, driver->name);
1169
1170                 if (driver->remove)
1171                         driver->remove();
1172         }
1173 }
1174
1175 static const char *supplicant_rule = "type=signal,"
1176                                 "interface=" SUPPLICANT_INTF ".Interface";
1177 static guint watch;
1178
1179 static int supplicant_create(void)
1180 {
1181         if (g_slist_length(driver_list) > 0)
1182                 return 0;
1183
1184         connection = connman_dbus_get_connection();
1185         if (connection == NULL)
1186                 return -EIO;
1187
1188         DBG("connection %p", connection);
1189
1190         if (dbus_connection_add_filter(connection,
1191                                 supplicant_filter, NULL, NULL) == FALSE) {
1192                 connection = connman_dbus_get_connection();
1193                 return -EIO;
1194         }
1195
1196         dbus_bus_add_match(connection, supplicant_rule, NULL);
1197         dbus_connection_flush(connection);
1198
1199         watch = g_dbus_add_service_watch(connection, SUPPLICANT_NAME,
1200                         supplicant_probe, supplicant_remove, NULL, NULL);
1201
1202         return 0;
1203 }
1204
1205 static void supplicant_destroy(void)
1206 {
1207         if (g_slist_length(driver_list) > 0)
1208                 return;
1209
1210         DBG("connection %p", connection);
1211
1212         if (watch > 0)
1213                 g_dbus_remove_watch(connection, watch);
1214
1215         dbus_bus_remove_match(connection, supplicant_rule, NULL);
1216         dbus_connection_flush(connection);
1217
1218         dbus_connection_remove_filter(connection, supplicant_filter, NULL);
1219
1220         dbus_connection_unref(connection);
1221         connection = NULL;
1222 }
1223
1224 int supplicant_register(struct supplicant_driver *driver)
1225 {
1226         int err;
1227
1228         DBG("driver %p name %s", driver, driver->name);
1229
1230         err = supplicant_create();
1231         if (err < 0)
1232                 return err;
1233
1234         driver_list = g_slist_append(driver_list, driver);
1235
1236         if (g_dbus_check_service(connection, SUPPLICANT_NAME) == TRUE)
1237                 supplicant_probe(connection, NULL);
1238         else
1239                 supplicant_activate(connection);
1240
1241         return 0;
1242 }
1243
1244 void supplicant_unregister(struct supplicant_driver *driver)
1245 {
1246         DBG("driver %p name %s", driver, driver->name);
1247
1248         supplicant_remove(connection, NULL);
1249
1250         driver_list = g_slist_remove(driver_list, driver);
1251
1252         supplicant_destroy();
1253 }