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 <errno.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29
  30 #include <gdbus.h>
  31
  32 #define CONNMAN_API_SUBJECT_TO_CHANGE
  33 #include <connman/device.h>
  34 #include <connman/dbus.h>
  35 #include <connman/log.h>
  36
  37 #include "inet.h"
  38 #include "supplicant.h"
  39
  40 #define TIMEOUT 5000
  41
  42 #define IEEE80211_CAP_ESS       0x0001
  43 #define IEEE80211_CAP_IBSS      0x0002
  44 #define IEEE80211_CAP_PRIVACY   0x0010
  45
  46 #define SUPPLICANT_NAME  "fi.epitest.hostap.WPASupplicant"
  47 #define SUPPLICANT_INTF  "fi.epitest.hostap.WPASupplicant"
  48 #define SUPPLICANT_PATH  "/fi/epitest/hostap/WPASupplicant"
  49
  50 /* Taken from "WPA Supplicant - Common definitions" */
  51 enum supplicant_state {
  52         /**
  53          * WPA_DISCONNECTED - Disconnected state
  54          *
  55          * This state indicates that client is not associated, but is likely to
  56          * start looking for an access point. This state is entered when a
  57          * connection is lost.
  58          */
  59         WPA_DISCONNECTED,
  60
  61         /**
  62          * WPA_INACTIVE - Inactive state (wpa_supplicant disabled)
  63          *
  64          * This state is entered if there are no enabled networks in the
  65          * configuration. wpa_supplicant is not trying to associate with a new
  66          * network and external interaction (e.g., ctrl_iface call to add or
  67          * enable a network) is needed to start association.
  68          */
  69         WPA_INACTIVE,
  70
  71         /**
  72          * WPA_SCANNING - Scanning for a network
  73          *
  74          * This state is entered when wpa_supplicant starts scanning for a
  75          * network.
  76          */
  77         WPA_SCANNING,
  78
  79         /**
  80          * WPA_ASSOCIATING - Trying to associate with a BSS/SSID
  81          *
  82          * This state is entered when wpa_supplicant has found a suitable BSS
  83          * to associate with and the driver is configured to try to associate
  84          * with this BSS in ap_scan=1 mode. When using ap_scan=2 mode, this
  85          * state is entered when the driver is configured to try to associate
  86          * with a network using the configured SSID and security policy.
  87          */
  88         WPA_ASSOCIATING,
  89
  90         /**
  91          * WPA_ASSOCIATED - Association completed
  92          *
  93          * This state is entered when the driver reports that association has
  94          * been successfully completed with an AP. If IEEE 802.1X is used
  95          * (with or without WPA/WPA2), wpa_supplicant remains in this state
  96          * until the IEEE 802.1X/EAPOL authentication has been completed.
  97          */
  98         WPA_ASSOCIATED,
  99
 100         /**
 101          * WPA_4WAY_HANDSHAKE - WPA 4-Way Key Handshake in progress
 102          *
 103          * This state is entered when WPA/WPA2 4-Way Handshake is started. In
 104          * case of WPA-PSK, this happens when receiving the first EAPOL-Key
 105          * frame after association. In case of WPA-EAP, this state is entered
 106          * when the IEEE 802.1X/EAPOL authentication has been completed.
 107          */
 108         WPA_4WAY_HANDSHAKE,
 109
 110         /**
 111          * WPA_GROUP_HANDSHAKE - WPA Group Key Handshake in progress
 112          *
 113          * This state is entered when 4-Way Key Handshake has been completed
 114          * (i.e., when the supplicant sends out message 4/4) and when Group
 115          * Key rekeying is started by the AP (i.e., when supplicant receives
 116          * message 1/2).
 117          */
 118         WPA_GROUP_HANDSHAKE,
 119
 120         /**
 121          * WPA_COMPLETED - All authentication completed
 122          *
 123          * This state is entered when the full authentication process is
 124          * completed. In case of WPA2, this happens when the 4-Way Handshake is
 125          * successfully completed. With WPA, this state is entered after the
 126          * Group Key Handshake; with IEEE 802.1X (non-WPA) connection is
 127          * completed after dynamic keys are received (or if not used, after
 128          * the EAP authentication has been completed). With static WEP keys and
 129          * plaintext connections, this state is entered when an association
 130          * has been completed.
 131          *
 132          * This state indicates that the supplicant has completed its
 133          * processing for the association phase and that data connection is
 134          * fully configured.
 135          */
 136         WPA_COMPLETED,
 137
 138         /**
 139          * WPA_INVALID - Invalid state (parsing error)
 140          *
 141          * This state is returned if the string input is invalid. It is not
 142          * an official wpa_supplicant state.
 143          */
 144         WPA_INVALID,
 145 };
 146
 147 struct supplicant_result {
 148         char *identifier;
 149         unsigned char *ssid;
 150         unsigned int ssid_len;
 151         dbus_uint16_t capabilities;
 152         gboolean adhoc;
 153         gboolean has_wep;
 154         gboolean has_wpa;
 155         gboolean has_rsn;
 156         dbus_int32_t quality;
 157         dbus_int32_t noise;
 158         dbus_int32_t level;
 159         dbus_int32_t maxrate;
 160 };
 161
 162 struct supplicant_task {
 163         int ifindex;
 164         char *ifname;
 165         struct connman_device *device;
 166         struct connman_network *network;
 167         char *path;
 168         char *netpath;
 169         gboolean created;
 170         enum supplicant_state state;
 171         gboolean noscan;
 172         GSList *scan_results;
 173 };
 174
 175 static GSList *task_list = NULL;
 176
 177 static DBusConnection *connection;
 178
 179 static void free_task(struct supplicant_task *task)
 180 {
 181         DBG("task %p", task);
 182
 183         g_free(task->ifname);
 184         g_free(task->path);
 185         g_free(task);
 186 }
 187
 188 static struct supplicant_task *find_task_by_index(int index)
 189 {
 190         GSList *list;
 191
 192         for (list = task_list; list; list = list->next) {
 193                 struct supplicant_task *task = list->data;
 194
 195                 if (task->ifindex == index)
 196                         return task;
 197         }
 198
 199         return NULL;
 200 }
 201
 202 static struct supplicant_task *find_task_by_path(const char *path)
 203 {
 204         GSList *list;
 205
 206         for (list = task_list; list; list = list->next) {
 207                 struct supplicant_task *task = list->data;
 208
 209                 if (g_str_equal(task->path, path) == TRUE)
 210                         return task;
 211         }
 212
 213         return NULL;
 214 }
 215
 216 static void add_interface_reply(DBusPendingCall *call, void *user_data)
 217 {
 218         struct supplicant_task *task = user_data;
 219         DBusMessage *reply;
 220         DBusError error;
 221         const char *path;
 222
 223         DBG("task %p", task);
 224
 225         reply = dbus_pending_call_steal_reply(call);
 226         if (reply == NULL)
 227                 return;
 228
 229         if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR)
 230                 goto done;
 231
 232         dbus_error_init(&error);
 233
 234         if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
 235                                                 DBUS_TYPE_INVALID) == FALSE) {
 236                 if (dbus_error_is_set(&error) == TRUE) {
 237                         connman_error("%s", error.message);
 238                         dbus_error_free(&error);
 239                 } else
 240                         connman_error("Wrong arguments for add interface");
 241                 goto done;
 242         }
 243
 244         DBG("path %s", path);
 245
 246         task->path = g_strdup(path);
 247         task->created = TRUE;
 248
 249         connman_device_set_powered(task->device, TRUE);
 250
 251 done:
 252         dbus_message_unref(reply);
 253 }
 254
 255 static int add_interface(struct supplicant_task *task)
 256 {
 257         DBusMessage *message;
 258         DBusPendingCall *call;
 259
 260         DBG("task %p", task);
 261
 262         message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
 263                                         SUPPLICANT_INTF, "addInterface");
 264         if (message == NULL)
 265                 return -ENOMEM;
 266
 267         dbus_message_append_args(message, DBUS_TYPE_STRING, &task->ifname,
 268                                                         DBUS_TYPE_INVALID);
 269
 270         if (dbus_connection_send_with_reply(connection, message,
 271                                                 &call, TIMEOUT) == FALSE) {
 272                 connman_error("Failed to add interface");
 273                 dbus_message_unref(message);
 274                 return -EIO;
 275         }
 276
 277         dbus_pending_call_set_notify(call, add_interface_reply, task, NULL);
 278
 279         dbus_message_unref(message);
 280
 281         return -EINPROGRESS;
 282 }
 283
 284 static void get_interface_reply(DBusPendingCall *call, void *user_data)
 285 {
 286         struct supplicant_task *task = user_data;
 287         DBusMessage *reply;
 288         DBusError error;
 289         const char *path;
 290
 291         DBG("task %p", task);
 292
 293         reply = dbus_pending_call_steal_reply(call);
 294         if (reply == NULL)
 295                 return;
 296
 297         if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
 298                 add_interface(task);
 299                 goto done;
 300         }
 301
 302         dbus_error_init(&error);
 303
 304         if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
 305                                                 DBUS_TYPE_INVALID) == FALSE) {
 306                 if (dbus_error_is_set(&error) == TRUE) {
 307                         connman_error("%s", error.message);
 308                         dbus_error_free(&error);
 309                 } else
 310                         connman_error("Wrong arguments for get interface");
 311                 goto done;
 312         }
 313
 314         DBG("path %s", path);
 315
 316         task->path = g_strdup(path);
 317         task->created = FALSE;
 318
 319         connman_device_set_powered(task->device, TRUE);
 320
 321 done:
 322         dbus_message_unref(reply);
 323 }
 324
 325 static int create_interface(struct supplicant_task *task)
 326 {
 327         DBusMessage *message;
 328         DBusPendingCall *call;
 329
 330         DBG("task %p", task);
 331
 332         message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
 333                                         SUPPLICANT_INTF, "getInterface");
 334         if (message == NULL)
 335                 return -ENOMEM;
 336
 337         dbus_message_append_args(message, DBUS_TYPE_STRING, &task->ifname,
 338                                                         DBUS_TYPE_INVALID);
 339
 340         if (dbus_connection_send_with_reply(connection, message,
 341                                                 &call, TIMEOUT) == FALSE) {
 342                 connman_error("Failed to get interface");
 343                 dbus_message_unref(message);
 344                 return -EIO;
 345         }
 346
 347         dbus_pending_call_set_notify(call, get_interface_reply, task, NULL);
 348
 349         dbus_message_unref(message);
 350
 351         return -EINPROGRESS;
 352 }
 353
 354 static void remove_interface_reply(DBusPendingCall *call, void *user_data)
 355 {
 356         struct supplicant_task *task = user_data;
 357         DBusMessage *reply;
 358
 359         DBG("task %p", task);
 360
 361         reply = dbus_pending_call_steal_reply(call);
 362
 363         connman_device_set_powered(task->device, FALSE);
 364
 365         free_task(task);
 366
 367         dbus_message_unref(reply);
 368 }
 369
 370 static int remove_interface(struct supplicant_task *task)
 371 {
 372         DBusMessage *message;
 373         DBusPendingCall *call;
 374
 375         DBG("task %p", task);
 376
 377         if (task->created == FALSE) {
 378                 connman_device_set_powered(task->device, FALSE);
 379                 return 0;
 380         }
 381
 382         message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
 383                                         SUPPLICANT_INTF, "removeInterface");
 384         if (message == NULL)
 385                 return -ENOMEM;
 386
 387         dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->path,
 388                                                         DBUS_TYPE_INVALID);
 389
 390         if (dbus_connection_send_with_reply(connection, message,
 391                                                 &call, TIMEOUT) == FALSE) {
 392                 connman_error("Failed to remove interface");
 393                 dbus_message_unref(message);
 394                 return -EIO;
 395         }
 396
 397         dbus_pending_call_set_notify(call, remove_interface_reply, task, NULL);
 398
 399         dbus_message_unref(message);
 400
 401         return -EINPROGRESS;
 402 }
 403
 404 #if 0
 405 static int set_ap_scan(struct supplicant_task *task)
 406 {
 407         DBusMessage *message, *reply;
 408         DBusError error;
 409         guint32 ap_scan = 1;
 410
 411         DBG("task %p", task);
 412
 413         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 414                                 SUPPLICANT_INTF ".Interface", "setAPScan");
 415         if (message == NULL)
 416                 return -ENOMEM;
 417
 418         dbus_message_append_args(message, DBUS_TYPE_UINT32, &ap_scan,
 419                                                         DBUS_TYPE_INVALID);
 420
 421         dbus_error_init(&error);
 422
 423         reply = dbus_connection_send_with_reply_and_block(connection,
 424                                                         message, -1, &error);
 425         if (reply == NULL) {
 426                 if (dbus_error_is_set(&error) == TRUE) {
 427                         connman_error("%s", error.message);
 428                         dbus_error_free(&error);
 429                 } else
 430                         connman_error("Failed to set AP scan");
 431                 dbus_message_unref(message);
 432                 return -EIO;
 433         }
 434
 435         dbus_message_unref(message);
 436
 437         dbus_message_unref(reply);
 438
 439         return 0;
 440 }
 441 #endif
 442
 443 static int add_network(struct supplicant_task *task)
 444 {
 445         DBusMessage *message, *reply;
 446         DBusError error;
 447         const char *path;
 448
 449         DBG("task %p", task);
 450
 451         if (task->netpath != NULL)
 452                 return -EALREADY;
 453
 454         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 455                                 SUPPLICANT_INTF ".Interface", "addNetwork");
 456         if (message == NULL)
 457                 return -ENOMEM;
 458
 459         dbus_error_init(&error);
 460
 461         reply = dbus_connection_send_with_reply_and_block(connection,
 462                                                         message, -1, &error);
 463         if (reply == NULL) {
 464                 if (dbus_error_is_set(&error) == TRUE) {
 465                         connman_error("%s", error.message);
 466                         dbus_error_free(&error);
 467                 } else
 468                         connman_error("Failed to add network");
 469                 dbus_message_unref(message);
 470                 return -EIO;
 471         }
 472
 473         dbus_message_unref(message);
 474
 475         dbus_error_init(&error);
 476
 477         if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
 478                                                 DBUS_TYPE_INVALID) == FALSE) {
 479                 if (dbus_error_is_set(&error) == TRUE) {
 480                         connman_error("%s", error.message);
 481                         dbus_error_free(&error);
 482                 } else
 483                         connman_error("Wrong arguments for network");
 484                 dbus_message_unref(reply);
 485                 return -EIO;
 486         }
 487
 488         DBG("path %s", path);
 489
 490         task->netpath = g_strdup(path);
 491
 492         dbus_message_unref(reply);
 493
 494         return 0;
 495 }
 496
 497 static int remove_network(struct supplicant_task *task)
 498 {
 499         DBusMessage *message, *reply;
 500         DBusError error;
 501
 502         DBG("task %p", task);
 503
 504         if (task->netpath == NULL)
 505                 return -EINVAL;
 506
 507         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 508                                 SUPPLICANT_INTF ".Interface", "removeNetwork");
 509         if (message == NULL)
 510                 return -ENOMEM;
 511
 512         dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->netpath,
 513                                                         DBUS_TYPE_INVALID);
 514
 515         dbus_error_init(&error);
 516
 517         reply = dbus_connection_send_with_reply_and_block(connection,
 518                                                         message, -1, &error);
 519         if (reply == NULL) {
 520                 if (dbus_error_is_set(&error) == TRUE) {
 521                         connman_error("%s", error.message);
 522                         dbus_error_free(&error);
 523                 } else
 524                         connman_error("Failed to remove network");
 525                 dbus_message_unref(message);
 526                 return -EIO;
 527         }
 528
 529         dbus_message_unref(message);
 530
 531         dbus_message_unref(reply);
 532
 533         g_free(task->netpath);
 534         task->netpath = NULL;
 535
 536         return 0;
 537 }
 538
 539 static int select_network(struct supplicant_task *task)
 540 {
 541         DBusMessage *message, *reply;
 542         DBusError error;
 543
 544         DBG("task %p", task);
 545
 546         if (task->netpath == NULL)
 547                 return -EINVAL;
 548
 549         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 550                                 SUPPLICANT_INTF ".Interface", "selectNetwork");
 551         if (message == NULL)
 552                 return -ENOMEM;
 553
 554         dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->netpath,
 555                                                         DBUS_TYPE_INVALID);
 556
 557         dbus_error_init(&error);
 558
 559         reply = dbus_connection_send_with_reply_and_block(connection,
 560                                                         message, -1, &error);
 561         if (reply == NULL) {
 562                 if (dbus_error_is_set(&error) == TRUE) {
 563                         connman_error("%s", error.message);
 564                         dbus_error_free(&error);
 565                 } else
 566                         connman_error("Failed to select network");
 567                 dbus_message_unref(message);
 568                 return -EIO;
 569         }
 570
 571         dbus_message_unref(message);
 572
 573         dbus_message_unref(reply);
 574
 575         return 0;
 576 }
 577
 578 static int enable_network(struct supplicant_task *task)
 579 {
 580         DBusMessage *message, *reply;
 581         DBusError error;
 582
 583         DBG("task %p", task);
 584
 585         if (task->netpath == NULL)
 586                 return -EINVAL;
 587
 588         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->netpath,
 589                                         SUPPLICANT_INTF ".Network", "enable");
 590         if (message == NULL)
 591                 return -ENOMEM;
 592
 593         dbus_error_init(&error);
 594
 595         reply = dbus_connection_send_with_reply_and_block(connection,
 596                                                         message, -1, &error);
 597         if (reply == NULL) {
 598                 if (dbus_error_is_set(&error) == TRUE) {
 599                         connman_error("%s", error.message);
 600                         dbus_error_free(&error);
 601                 } else
 602                         connman_error("Failed to enable network");
 603                 dbus_message_unref(message);
 604                 return -EIO;
 605         }
 606
 607         dbus_message_unref(message);
 608
 609         dbus_message_unref(reply);
 610
 611         return 0;
 612 }
 613
 614 static int disable_network(struct supplicant_task *task)
 615 {
 616         DBusMessage *message, *reply;
 617         DBusError error;
 618
 619         DBG("task %p", task);
 620
 621         if (task->netpath == NULL)
 622                 return -EINVAL;
 623
 624         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->netpath,
 625                                         SUPPLICANT_INTF ".Network", "disable");
 626         if (message == NULL)
 627                 return -ENOMEM;
 628
 629         dbus_error_init(&error);
 630
 631         reply = dbus_connection_send_with_reply_and_block(connection,
 632                                                         message, -1, &error);
 633         if (reply == NULL) {
 634                 if (dbus_error_is_set(&error) == TRUE) {
 635                         connman_error("%s", error.message);
 636                         dbus_error_free(&error);
 637                 } else
 638                         connman_error("Failed to disable network");
 639                 dbus_message_unref(message);
 640                 return -EIO;
 641         }
 642
 643         dbus_message_unref(message);
 644
 645         dbus_message_unref(reply);
 646
 647         return 0;
 648 }
 649
 650 static int set_network(struct supplicant_task *task,
 651                                 const unsigned char *network, int len,
 652                                 const char *security, const char *passphrase)
 653 {
 654         DBusMessage *message, *reply;
 655         DBusMessageIter array, dict;
 656         DBusError error;
 657
 658         DBG("task %p", task);
 659
 660         if (task->netpath == NULL)
 661                 return -EINVAL;
 662
 663         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->netpath,
 664                                         SUPPLICANT_INTF ".Network", "set");
 665         if (message == NULL)
 666                 return -ENOMEM;
 667
 668         dbus_message_iter_init_append(message, &array);
 669
 670         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 671                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 672                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 673                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 674
 675         connman_dbus_dict_append_array(&dict, "ssid",
 676                                         DBUS_TYPE_BYTE, &network, len);
 677
 678         if (g_ascii_strcasecmp(security, "wpa") == 0 ||
 679                                 g_ascii_strcasecmp(security, "wpa2") == 0) {
 680                 const char *key_mgmt = "WPA-PSK";
 681                 connman_dbus_dict_append_variant(&dict, "key_mgmt",
 682                                                 DBUS_TYPE_STRING, &key_mgmt);
 683
 684                 if (passphrase && strlen(passphrase) > 0)
 685                         connman_dbus_dict_append_variant(&dict, "psk",
 686                                                 DBUS_TYPE_STRING, &passphrase);
 687         } else if (g_ascii_strcasecmp(security, "wep") == 0) {
 688                 const char *key_mgmt = "NONE", *index = "0";
 689                 connman_dbus_dict_append_variant(&dict, "key_mgmt",
 690                                                 DBUS_TYPE_STRING, &key_mgmt);
 691
 692                 if (passphrase) {
 693                         int size = strlen(passphrase);
 694                         if (size == 10 || size == 26) {
 695                                 unsigned char *key = malloc(13);
 696                                 char tmp[3];
 697                                 int i;
 698                                 memset(tmp, 0, sizeof(tmp));
 699                                 if (key == NULL)
 700                                         size = 0;
 701                                 for (i = 0; i < size / 2; i++) {
 702                                         memcpy(tmp, passphrase + (i * 2), 2);
 703                                         key[i] = (unsigned char) strtol(tmp,
 704                                                                 NULL, 16);
 705                                 }
 706                                 connman_dbus_dict_append_array(&dict,
 707                                                 "wep_key0", DBUS_TYPE_BYTE,
 708                                                         &key, size / 2);
 709                                 free(key);
 710                         } else
 711                                 connman_dbus_dict_append_variant(&dict,
 712                                                 "wep_key0", DBUS_TYPE_STRING,
 713                                                                 &passphrase);
 714                         connman_dbus_dict_append_variant(&dict, "wep_tx_keyidx",
 715                                                 DBUS_TYPE_STRING, &index);
 716                 }
 717         } else {
 718                 const char *key_mgmt = "NONE";
 719                 connman_dbus_dict_append_variant(&dict, "key_mgmt",
 720                                                 DBUS_TYPE_STRING, &key_mgmt);
 721         }
 722
 723         dbus_message_iter_close_container(&array, &dict);
 724
 725         dbus_error_init(&error);
 726
 727         reply = dbus_connection_send_with_reply_and_block(connection,
 728                                                         message, -1, &error);
 729         if (reply == NULL) {
 730                 if (dbus_error_is_set(&error) == TRUE) {
 731                         connman_error("%s", error.message);
 732                         dbus_error_free(&error);
 733                 } else
 734                         connman_error("Failed to set network options");
 735                 dbus_message_unref(message);
 736                 return -EIO;
 737         }
 738
 739         dbus_message_unref(message);
 740
 741         dbus_message_unref(reply);
 742
 743         return 0;
 744 }
 745
 746 static int initiate_scan(struct supplicant_task *task)
 747 {
 748         DBusMessage *message;
 749         DBusPendingCall *call;
 750
 751         DBG("task %p", task);
 752
 753         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 754                                         SUPPLICANT_INTF ".Interface", "scan");
 755         if (message == NULL)
 756                 return -ENOMEM;
 757
 758         if (dbus_connection_send_with_reply(connection, message,
 759                                                 &call, TIMEOUT) == FALSE) {
 760                 connman_error("Failed to initiate scan");
 761                 dbus_message_unref(message);
 762                 return -EIO;
 763         }
 764
 765         dbus_message_unref(message);
 766
 767         return 0;
 768 }
 769
 770 static void extract_ssid(DBusMessageIter *value,
 771                                         struct supplicant_result *result)
 772 {
 773         DBusMessageIter array;
 774         unsigned char *ssid;
 775         int ssid_len;
 776
 777         dbus_message_iter_recurse(value, &array);
 778         dbus_message_iter_get_fixed_array(&array, &ssid, &ssid_len);
 779
 780         if (ssid_len < 1)
 781                 return;
 782
 783         result->ssid = g_try_malloc(ssid_len);
 784         if (result->ssid == NULL)
 785                 return;
 786
 787         memcpy(result->ssid, ssid, ssid_len);
 788         result->ssid_len = ssid_len;
 789
 790         result->identifier = g_try_malloc0(ssid_len + 1);
 791         if (result->identifier == NULL)
 792                 return;
 793
 794         memcpy(result->identifier, ssid, ssid_len);
 795 }
 796
 797 static void extract_wpaie(DBusMessageIter *value,
 798                                         struct supplicant_result *result)
 799 {
 800         DBusMessageIter array;
 801         unsigned char *ie;
 802         int ie_len;
 803
 804         dbus_message_iter_recurse(value, &array);
 805         dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
 806
 807         if (ie_len > 0)
 808                 result->has_wpa = TRUE;
 809 }
 810
 811 static void extract_rsnie(DBusMessageIter *value,
 812                                         struct supplicant_result *result)
 813 {
 814         DBusMessageIter array;
 815         unsigned char *ie;
 816         int ie_len;
 817
 818         dbus_message_iter_recurse(value, &array);
 819         dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
 820
 821         if (ie_len > 0)
 822                 result->has_rsn = TRUE;
 823 }
 824
 825 static void extract_capabilites(DBusMessageIter *value,
 826                                         struct supplicant_result *result)
 827 {
 828         dbus_message_iter_get_basic(value, &result->capabilities);
 829
 830         if (result->capabilities & IEEE80211_CAP_ESS)
 831                 result->adhoc = FALSE;
 832         else if (result->capabilities & IEEE80211_CAP_IBSS)
 833                 result->adhoc = TRUE;
 834
 835         if (result->capabilities & IEEE80211_CAP_PRIVACY)
 836                 result->has_wep = TRUE;
 837 }
 838
 839 static void get_properties(struct supplicant_task *task);
 840
 841 static void properties_reply(DBusPendingCall *call, void *user_data)
 842 {
 843         struct supplicant_task *task = user_data;
 844         struct supplicant_result result;
 845         struct connman_network *network;
 846         DBusMessage *reply;
 847         DBusMessageIter array, dict;
 848         char *security, *temp = NULL;
 849         unsigned char strength;
 850         unsigned int i;
 851
 852         DBG("task %p", task);
 853
 854         reply = dbus_pending_call_steal_reply(call);
 855         if (reply == NULL) {
 856                 get_properties(task);
 857                 return;
 858         }
 859
 860         if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
 861                 dbus_message_unref(reply);
 862                 get_properties(task);
 863                 return;
 864         }
 865
 866         memset(&result, 0, sizeof(result));
 867
 868         dbus_message_iter_init(reply, &array);
 869
 870         dbus_message_iter_recurse(&array, &dict);
 871
 872         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
 873                 DBusMessageIter entry, value;
 874                 const char *key;
 875
 876                 dbus_message_iter_recurse(&dict, &entry);
 877                 dbus_message_iter_get_basic(&entry, &key);
 878
 879                 dbus_message_iter_next(&entry);
 880
 881                 dbus_message_iter_recurse(&entry, &value);
 882
 883                 //type = dbus_message_iter_get_arg_type(&value);
 884                 //dbus_message_iter_get_basic(&value, &val);
 885
 886                 /*
 887                  * bssid        : a (97)
 888                  * ssid         : a (97)
 889                  * wpaie        : a (97)
 890                  * rsnie        : a (97)
 891                  * frequency    : i (105)
 892                  * capabilities : q (113)
 893                  * quality      : i (105)
 894                  * noise        : i (105)
 895                  * level        : i (105)
 896                  * maxrate      : i (105)
 897                  */
 898
 899                 if (g_str_equal(key, "ssid") == TRUE)
 900                         extract_ssid(&value, &result);
 901                 else if (g_str_equal(key, "wpaie") == TRUE)
 902                         extract_wpaie(&value, &result);
 903                 else if (g_str_equal(key, "rsnie") == TRUE)
 904                         extract_rsnie(&value, &result);
 905                 else if (g_str_equal(key, "capabilities") == TRUE)
 906                         extract_capabilites(&value, &result);
 907                 else if (g_str_equal(key, "quality") == TRUE)
 908                         dbus_message_iter_get_basic(&value, &result.quality);
 909                 else if (g_str_equal(key, "noise") == TRUE)
 910                         dbus_message_iter_get_basic(&value, &result.noise);
 911                 else if (g_str_equal(key, "level") == TRUE)
 912                         dbus_message_iter_get_basic(&value, &result.level);
 913                 else if (g_str_equal(key, "maxrate") == TRUE)
 914                         dbus_message_iter_get_basic(&value, &result.maxrate);
 915
 916                 dbus_message_iter_next(&dict);
 917         }
 918
 919         if (result.identifier == NULL)
 920                 goto done;
 921
 922         if (result.identifier[0] == '\0')
 923                 goto done;
 924
 925         temp = g_strdup(result.identifier);
 926         if (temp == NULL)
 927                 goto done;
 928
 929         for (i = 0; i < strlen(temp); i++) {
 930                 char tmp = temp[i];
 931                 if ((tmp < '0' || tmp > '9') && (tmp < 'A' || tmp > 'Z') &&
 932                                                 (tmp < 'a' || tmp > 'z'))
 933                         temp[i] = '_';
 934         }
 935
 936         strength = result.quality;
 937
 938         if (result.has_rsn == TRUE)
 939                 security = "wpa2";
 940         else if (result.has_wpa == TRUE)
 941                 security = "wpa";
 942         else if (result.has_wep == TRUE)
 943                 security = "wep";
 944         else
 945                 security = "none";
 946
 947         network = connman_device_get_network(task->device, temp);
 948         if (network == NULL) {
 949                 const char *mode;
 950                 int index;
 951
 952                 network = connman_network_create(temp,
 953                                                 CONNMAN_NETWORK_TYPE_WIFI);
 954                 if (network == NULL)
 955                         goto done;
 956
 957                 index = connman_device_get_index(task->device);
 958                 connman_network_set_index(network, index);
 959
 960                 connman_network_set_protocol(network,
 961                                                 CONNMAN_NETWORK_PROTOCOL_IP);
 962
 963                 connman_network_set_string(network, "Name", result.identifier);
 964
 965                 connman_network_set_blob(network, "WiFi.SSID",
 966                                                 result.ssid, result.ssid_len);
 967
 968                 mode = (result.adhoc == TRUE) ? "adhoc" : "managed";
 969                 connman_network_set_string(network, "WiFi.Mode", mode);
 970
 971                 DBG("%s (%s %s) strength %d", result.identifier, mode,
 972                                                         security, strength);
 973
 974                 if (connman_device_add_network(task->device, network) < 0) {
 975                         connman_network_unref(network);
 976                         goto done;
 977                 }
 978         }
 979
 980         connman_network_set_uint8(network, "Strength", strength);
 981
 982         connman_network_set_string(network, "WiFi.Security", security);
 983
 984 done:
 985         g_free(result.identifier);
 986         g_free(result.ssid);
 987         g_free(temp);
 988
 989         dbus_message_unref(reply);
 990
 991         get_properties(task);
 992 }
 993
 994 static void get_properties(struct supplicant_task *task)
 995 {
 996         DBusMessage *message;
 997         DBusPendingCall *call;
 998         char *path;
 999
1000         path = g_slist_nth_data(task->scan_results, 0);
1001         if (path == NULL)
1002                 goto noscan;
1003
1004         message = dbus_message_new_method_call(SUPPLICANT_NAME, path,
1005                                                 SUPPLICANT_INTF ".BSSID",
1006                                                                 "properties");
1007
1008         task->scan_results = g_slist_remove(task->scan_results, path);
1009         g_free(path);
1010
1011         if (message == NULL)
1012                 goto noscan;
1013
1014         if (dbus_connection_send_with_reply(connection, message,
1015                                                 &call, TIMEOUT) == FALSE) {
1016                 connman_error("Failed to get network properties");
1017                 dbus_message_unref(message);
1018                 goto noscan;
1019         }
1020
1021         dbus_pending_call_set_notify(call, properties_reply, task, NULL);
1022
1023         dbus_message_unref(message);
1024
1025         return;
1026
1027 noscan:
1028         if (task->noscan == FALSE)
1029                 connman_device_set_scanning(task->device, FALSE);
1030 }
1031
1032 static void scan_results_reply(DBusPendingCall *call, void *user_data)
1033 {
1034         struct supplicant_task *task = user_data;
1035         DBusMessage *reply;
1036         DBusError error;
1037         char **results;
1038         int i, num_results;
1039
1040         DBG("task %p", task);
1041
1042         reply = dbus_pending_call_steal_reply(call);
1043         if (reply == NULL)
1044                 goto noscan;
1045
1046         if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR)
1047                 goto done;
1048
1049         dbus_error_init(&error);
1050
1051         if (dbus_message_get_args(reply, &error,
1052                                 DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH,
1053                                                 &results, &num_results,
1054                                                 DBUS_TYPE_INVALID) == FALSE) {
1055                 if (dbus_error_is_set(&error) == TRUE) {
1056                         connman_error("%s", error.message);
1057                         dbus_error_free(&error);
1058                 } else
1059                         connman_error("Wrong arguments for scan result");
1060                 goto done;
1061         }
1062
1063         if (num_results == 0)
1064                 goto done;
1065
1066         for (i = 0; i < num_results; i++) {
1067                 char *path = g_strdup(results[i]);
1068                 if (path == NULL)
1069                         continue;
1070
1071                 task->scan_results = g_slist_append(task->scan_results, path);
1072         }
1073
1074         g_strfreev(results);
1075
1076         dbus_message_unref(reply);
1077
1078         get_properties(task);
1079
1080         return;
1081
1082 done:
1083         dbus_message_unref(reply);
1084
1085 noscan:
1086         if (task->noscan == FALSE)
1087                 connman_device_set_scanning(task->device, FALSE);
1088 }
1089
1090 static void scan_results_available(struct supplicant_task *task)
1091 {
1092         DBusMessage *message;
1093         DBusPendingCall *call;
1094
1095         DBG("task %p", task);
1096
1097         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
1098                                                 SUPPLICANT_INTF ".Interface",
1099                                                         "scanResults");
1100         if (message == NULL)
1101                 return;
1102
1103         if (dbus_connection_send_with_reply(connection, message,
1104                                                 &call, TIMEOUT) == FALSE) {
1105                 connman_error("Failed to request scan result");
1106                 goto done;
1107         }
1108
1109         if (task->noscan == FALSE)
1110                 connman_device_set_scanning(task->device, TRUE);
1111
1112         dbus_pending_call_set_notify(call, scan_results_reply, task, NULL);
1113
1114 done:
1115         dbus_message_unref(message);
1116 }
1117
1118 static enum supplicant_state string2state(const char *state)
1119 {
1120         if (g_str_equal(state, "INACTIVE") == TRUE)
1121                 return WPA_INACTIVE;
1122         else if (g_str_equal(state, "SCANNING") == TRUE)
1123                 return WPA_SCANNING;
1124         else if (g_str_equal(state, "ASSOCIATING") == TRUE)
1125                 return WPA_ASSOCIATING;
1126         else if (g_str_equal(state, "ASSOCIATED") == TRUE)
1127                 return WPA_ASSOCIATED;
1128         else if (g_str_equal(state, "GROUP_HANDSHAKE") == TRUE)
1129                 return WPA_GROUP_HANDSHAKE;
1130         else if (g_str_equal(state, "4WAY_HANDSHAKE") == TRUE)
1131                 return WPA_4WAY_HANDSHAKE;
1132         else if (g_str_equal(state, "COMPLETED") == TRUE)
1133                 return WPA_COMPLETED;
1134         else if (g_str_equal(state, "DISCONNECTED") == TRUE)
1135                 return WPA_DISCONNECTED;
1136         else
1137                 return WPA_INVALID;
1138 }
1139
1140 static void state_change(struct supplicant_task *task, DBusMessage *msg)
1141 {
1142         DBusError error;
1143         const char *newstate, *oldstate;
1144         enum supplicant_state state;
1145
1146         dbus_error_init(&error);
1147
1148         if (dbus_message_get_args(msg, &error, DBUS_TYPE_STRING, &newstate,
1149                                                 DBUS_TYPE_STRING, &oldstate,
1150                                                 DBUS_TYPE_INVALID) == FALSE) {
1151                 if (dbus_error_is_set(&error) == TRUE) {
1152                         connman_error("%s", error.message);
1153                         dbus_error_free(&error);
1154                 } else
1155                         connman_error("Wrong arguments for state change");
1156                 return;
1157         }
1158
1159         DBG("state %s ==> %s", oldstate, newstate);
1160
1161         state = string2state(newstate);
1162         if (state == WPA_INVALID)
1163                 return;
1164
1165         task->state = state;
1166
1167         switch (task->state) {
1168         case WPA_SCANNING:
1169                 task->noscan = TRUE;
1170                 connman_device_set_scanning(task->device, TRUE);
1171                 break;
1172         case WPA_ASSOCIATING:
1173         case WPA_ASSOCIATED:
1174         case WPA_4WAY_HANDSHAKE:
1175         case WPA_GROUP_HANDSHAKE:
1176                 task->noscan = TRUE;
1177                 break;
1178         case WPA_COMPLETED:
1179         case WPA_DISCONNECTED:
1180                 task->noscan = FALSE;
1181                 break;
1182         case WPA_INACTIVE:
1183                 task->noscan = FALSE;
1184                 connman_device_set_scanning(task->device, FALSE);
1185                 break;
1186         case WPA_INVALID:
1187                 break;
1188         }
1189
1190         if (task->network == NULL)
1191                 return;
1192
1193         switch (task->state) {
1194         case WPA_COMPLETED:
1195                 /* carrier on */
1196                 connman_network_set_connected(task->network, TRUE);
1197                 connman_device_set_scanning(task->device, FALSE);
1198                 break;
1199         case WPA_DISCONNECTED:
1200                 /* carrier off */
1201                 connman_network_set_connected(task->network, FALSE);
1202                 connman_device_set_scanning(task->device, FALSE);
1203                 break;
1204         default:
1205                 break;
1206         }
1207 }
1208
1209 static DBusHandlerResult supplicant_filter(DBusConnection *conn,
1210                                                 DBusMessage *msg, void *data)
1211 {
1212         struct supplicant_task *task;
1213         const char *member, *path;
1214
1215         if (dbus_message_has_interface(msg,
1216                                 SUPPLICANT_INTF ".Interface") == FALSE)
1217                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1218
1219         member = dbus_message_get_member(msg);
1220         if (member == NULL)
1221                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1222
1223         path = dbus_message_get_path(msg);
1224         if (path == NULL)
1225                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1226
1227         task = find_task_by_path(path);
1228         if (task == NULL)
1229                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1230
1231         DBG("task %p member %s", task, member);
1232
1233         if (g_str_equal(member, "ScanResultsAvailable") == TRUE)
1234                 scan_results_available(task);
1235         else if (g_str_equal(member, "StateChange") == TRUE)
1236                 state_change(task, msg);
1237
1238         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1239 }
1240
1241 int supplicant_start(struct connman_device *device)
1242 {
1243         struct supplicant_task *task;
1244
1245         DBG("device %p", device);
1246
1247         task = g_try_new0(struct supplicant_task, 1);
1248         if (task == NULL)
1249                 return -ENOMEM;
1250
1251         task->ifindex = connman_device_get_index(device);
1252         task->ifname = inet_index2name(task->ifindex);
1253         task->device = device;
1254
1255         if (task->ifname == NULL) {
1256                 g_free(task);
1257                 return -ENOMEM;
1258         }
1259
1260         task->created = FALSE;
1261         task->noscan = FALSE;
1262         task->state = WPA_INVALID;
1263
1264         task_list = g_slist_append(task_list, task);
1265
1266         return create_interface(task);
1267 }
1268
1269 int supplicant_stop(struct connman_device *device)
1270 {
1271         int index = connman_device_get_index(device);
1272         struct supplicant_task *task;
1273
1274         DBG("device %p", device);
1275
1276         task = find_task_by_index(index);
1277         if (task == NULL)
1278                 return -ENODEV;
1279
1280         task_list = g_slist_remove(task_list, task);
1281
1282         disable_network(task);
1283
1284         remove_network(task);
1285
1286         return remove_interface(task);
1287 }
1288
1289 int supplicant_scan(struct connman_device *device)
1290 {
1291         int index = connman_device_get_index(device);
1292         struct supplicant_task *task;
1293         int err;
1294
1295         DBG("device %p", device);
1296
1297         task = find_task_by_index(index);
1298         if (task == NULL)
1299                 return -ENODEV;
1300
1301         switch (task->state) {
1302         case WPA_SCANNING:
1303                 return -EALREADY;
1304         case WPA_ASSOCIATING:
1305         case WPA_ASSOCIATED:
1306         case WPA_4WAY_HANDSHAKE:
1307         case WPA_GROUP_HANDSHAKE:
1308                 return -EBUSY;
1309         default:
1310                 break;
1311         }
1312
1313         err = initiate_scan(task);
1314
1315         return 0;
1316 }
1317
1318 int supplicant_connect(struct connman_network *network)
1319 {
1320         struct supplicant_task *task;
1321         const char *security, *passphrase;
1322         const void *ssid;
1323         unsigned int ssid_len;
1324         int index;
1325
1326         DBG("network %p", network);
1327
1328         security = connman_network_get_string(network, "WiFi.Security");
1329         passphrase = connman_network_get_string(network, "WiFi.Passphrase");
1330
1331         ssid = connman_network_get_blob(network, "WiFi.SSID", &ssid_len);
1332
1333         DBG("security %s passphrase %s", security, passphrase);
1334
1335         if (security == NULL && passphrase == NULL)
1336                 return -EINVAL;
1337
1338         if (g_str_equal(security, "none") == FALSE && passphrase == NULL)
1339                 return -EINVAL;
1340
1341         index = connman_network_get_index(network);
1342
1343         task = find_task_by_index(index);
1344         if (task == NULL)
1345                 return -ENODEV;
1346
1347         task->network = connman_network_ref(network);
1348
1349         add_network(task);
1350
1351         select_network(task);
1352         disable_network(task);
1353
1354         set_network(task, ssid, ssid_len, security, passphrase);
1355
1356         enable_network(task);
1357
1358         return 0;
1359 }
1360
1361 int supplicant_disconnect(struct connman_network *network)
1362 {
1363         struct supplicant_task *task;
1364         int index;
1365
1366         DBG("network %p", network);
1367
1368         index = connman_network_get_index(network);
1369
1370         task = find_task_by_index(index);
1371         if (task == NULL)
1372                 return -ENODEV;
1373
1374         disable_network(task);
1375
1376         remove_network(task);
1377
1378         connman_network_unref(task->network);
1379
1380         return 0;
1381 }
1382
1383 static void supplicant_activate(DBusConnection *conn)
1384 {
1385         DBusMessage *message;
1386
1387         DBG("conn %p", conn);
1388
1389         message = dbus_message_new_method_call(SUPPLICANT_NAME, "/",
1390                                 DBUS_INTERFACE_INTROSPECTABLE, "Introspect");
1391         if (message == NULL)
1392                 return;
1393
1394         dbus_message_set_no_reply(message, TRUE);
1395
1396         dbus_connection_send(conn, message, NULL);
1397
1398         dbus_message_unref(message);
1399 }
1400
1401 static GSList *driver_list = NULL;
1402
1403 static void supplicant_probe(DBusConnection *conn, void *user_data)
1404 {
1405         GSList *list;
1406
1407         DBG("conn %p", conn);
1408
1409         for (list = driver_list; list; list = list->next) {
1410                 struct supplicant_driver *driver = list->data;
1411
1412                 DBG("driver %p name %s", driver, driver->name);
1413
1414                 if (driver->probe)
1415                         driver->probe();
1416         }
1417 }
1418
1419 static void supplicant_remove(DBusConnection *conn, void *user_data)
1420 {
1421         GSList *list;
1422
1423         DBG("conn %p", conn);
1424
1425         for (list = driver_list; list; list = list->next) {
1426                 struct supplicant_driver *driver = list->data;
1427
1428                 DBG("driver %p name %s", driver, driver->name);
1429
1430                 if (driver->remove)
1431                         driver->remove();
1432         }
1433 }
1434
1435 static const char *supplicant_rule = "type=signal,"
1436                                 "interface=" SUPPLICANT_INTF ".Interface";
1437 static guint watch;
1438
1439 static int supplicant_create(void)
1440 {
1441         if (g_slist_length(driver_list) > 0)
1442                 return 0;
1443
1444         connection = connman_dbus_get_connection();
1445         if (connection == NULL)
1446                 return -EIO;
1447
1448         DBG("connection %p", connection);
1449
1450         if (dbus_connection_add_filter(connection,
1451                                 supplicant_filter, NULL, NULL) == FALSE) {
1452                 connection = connman_dbus_get_connection();
1453                 return -EIO;
1454         }
1455
1456         dbus_bus_add_match(connection, supplicant_rule, NULL);
1457         dbus_connection_flush(connection);
1458
1459         watch = g_dbus_add_service_watch(connection, SUPPLICANT_NAME,
1460                         supplicant_probe, supplicant_remove, NULL, NULL);
1461
1462         return 0;
1463 }
1464
1465 static void supplicant_destroy(void)
1466 {
1467         if (g_slist_length(driver_list) > 0)
1468                 return;
1469
1470         DBG("connection %p", connection);
1471
1472         if (watch > 0)
1473                 g_dbus_remove_watch(connection, watch);
1474
1475         dbus_bus_remove_match(connection, supplicant_rule, NULL);
1476         dbus_connection_flush(connection);
1477
1478         dbus_connection_remove_filter(connection, supplicant_filter, NULL);
1479
1480         dbus_connection_unref(connection);
1481         connection = NULL;
1482 }
1483
1484 int supplicant_register(struct supplicant_driver *driver)
1485 {
1486         int err;
1487
1488         DBG("driver %p name %s", driver, driver->name);
1489
1490         err = supplicant_create();
1491         if (err < 0)
1492                 return err;
1493
1494         driver_list = g_slist_append(driver_list, driver);
1495
1496         if (g_dbus_check_service(connection, SUPPLICANT_NAME) == TRUE)
1497                 supplicant_probe(connection, NULL);
1498         else
1499                 supplicant_activate(connection);
1500
1501         return 0;
1502 }
1503
1504 void supplicant_unregister(struct supplicant_driver *driver)
1505 {
1506         DBG("driver %p name %s", driver, driver->name);
1507
1508         supplicant_remove(connection, NULL);
1509
1510         driver_list = g_slist_remove(driver_list, driver);
1511
1512         supplicant_destroy();
1513 }