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