git.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         connman_device_unref(task->device);
 366
 367         free_task(task);
 368
 369         dbus_message_unref(reply);
 370 }
 371
 372 static int remove_interface(struct supplicant_task *task)
 373 {
 374         DBusMessage *message;
 375         DBusPendingCall *call;
 376
 377         DBG("task %p", task);
 378
 379         if (task->created == FALSE) {
 380                 connman_device_set_powered(task->device, FALSE);
 381                 return 0;
 382         }
 383
 384         message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
 385                                         SUPPLICANT_INTF, "removeInterface");
 386         if (message == NULL)
 387                 return -ENOMEM;
 388
 389         dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->path,
 390                                                         DBUS_TYPE_INVALID);
 391
 392         if (dbus_connection_send_with_reply(connection, message,
 393                                                 &call, TIMEOUT) == FALSE) {
 394                 connman_error("Failed to remove interface");
 395                 dbus_message_unref(message);
 396                 return -EIO;
 397         }
 398
 399         dbus_pending_call_set_notify(call, remove_interface_reply, task, NULL);
 400
 401         dbus_message_unref(message);
 402
 403         return -EINPROGRESS;
 404 }
 405
 406 #if 0
 407 static int set_ap_scan(struct supplicant_task *task)
 408 {
 409         DBusMessage *message, *reply;
 410         DBusError error;
 411         guint32 ap_scan = 1;
 412
 413         DBG("task %p", task);
 414
 415         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 416                                 SUPPLICANT_INTF ".Interface", "setAPScan");
 417         if (message == NULL)
 418                 return -ENOMEM;
 419
 420         dbus_message_append_args(message, DBUS_TYPE_UINT32, &ap_scan,
 421                                                         DBUS_TYPE_INVALID);
 422
 423         dbus_error_init(&error);
 424
 425         reply = dbus_connection_send_with_reply_and_block(connection,
 426                                                         message, -1, &error);
 427         if (reply == NULL) {
 428                 if (dbus_error_is_set(&error) == TRUE) {
 429                         connman_error("%s", error.message);
 430                         dbus_error_free(&error);
 431                 } else
 432                         connman_error("Failed to set AP scan");
 433                 dbus_message_unref(message);
 434                 return -EIO;
 435         }
 436
 437         dbus_message_unref(message);
 438
 439         dbus_message_unref(reply);
 440
 441         return 0;
 442 }
 443 #endif
 444
 445 static int add_network(struct supplicant_task *task)
 446 {
 447         DBusMessage *message, *reply;
 448         DBusError error;
 449         const char *path;
 450
 451         DBG("task %p", task);
 452
 453         if (task->netpath != NULL)
 454                 return -EALREADY;
 455
 456         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 457                                 SUPPLICANT_INTF ".Interface", "addNetwork");
 458         if (message == NULL)
 459                 return -ENOMEM;
 460
 461         dbus_error_init(&error);
 462
 463         reply = dbus_connection_send_with_reply_and_block(connection,
 464                                                         message, -1, &error);
 465         if (reply == NULL) {
 466                 if (dbus_error_is_set(&error) == TRUE) {
 467                         connman_error("%s", error.message);
 468                         dbus_error_free(&error);
 469                 } else
 470                         connman_error("Failed to add network");
 471                 dbus_message_unref(message);
 472                 return -EIO;
 473         }
 474
 475         dbus_message_unref(message);
 476
 477         dbus_error_init(&error);
 478
 479         if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
 480                                                 DBUS_TYPE_INVALID) == FALSE) {
 481                 if (dbus_error_is_set(&error) == TRUE) {
 482                         connman_error("%s", error.message);
 483                         dbus_error_free(&error);
 484                 } else
 485                         connman_error("Wrong arguments for network");
 486                 dbus_message_unref(reply);
 487                 return -EIO;
 488         }
 489
 490         DBG("path %s", path);
 491
 492         task->netpath = g_strdup(path);
 493
 494         dbus_message_unref(reply);
 495
 496         return 0;
 497 }
 498
 499 static int remove_network(struct supplicant_task *task)
 500 {
 501         DBusMessage *message, *reply;
 502         DBusError error;
 503
 504         DBG("task %p", task);
 505
 506         if (task->netpath == NULL)
 507                 return -EINVAL;
 508
 509         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 510                                 SUPPLICANT_INTF ".Interface", "removeNetwork");
 511         if (message == NULL)
 512                 return -ENOMEM;
 513
 514         dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->netpath,
 515                                                         DBUS_TYPE_INVALID);
 516
 517         dbus_error_init(&error);
 518
 519         reply = dbus_connection_send_with_reply_and_block(connection,
 520                                                         message, -1, &error);
 521         if (reply == NULL) {
 522                 if (dbus_error_is_set(&error) == TRUE) {
 523                         connman_error("%s", error.message);
 524                         dbus_error_free(&error);
 525                 } else
 526                         connman_error("Failed to remove network");
 527                 dbus_message_unref(message);
 528                 return -EIO;
 529         }
 530
 531         dbus_message_unref(message);
 532
 533         dbus_message_unref(reply);
 534
 535         g_free(task->netpath);
 536         task->netpath = NULL;
 537
 538         return 0;
 539 }
 540
 541 static int select_network(struct supplicant_task *task)
 542 {
 543         DBusMessage *message, *reply;
 544         DBusError error;
 545
 546         DBG("task %p", task);
 547
 548         if (task->netpath == NULL)
 549                 return -EINVAL;
 550
 551         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 552                                 SUPPLICANT_INTF ".Interface", "selectNetwork");
 553         if (message == NULL)
 554                 return -ENOMEM;
 555
 556         dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->netpath,
 557                                                         DBUS_TYPE_INVALID);
 558
 559         dbus_error_init(&error);
 560
 561         reply = dbus_connection_send_with_reply_and_block(connection,
 562                                                         message, -1, &error);
 563         if (reply == NULL) {
 564                 if (dbus_error_is_set(&error) == TRUE) {
 565                         connman_error("%s", error.message);
 566                         dbus_error_free(&error);
 567                 } else
 568                         connman_error("Failed to select network");
 569                 dbus_message_unref(message);
 570                 return -EIO;
 571         }
 572
 573         dbus_message_unref(message);
 574
 575         dbus_message_unref(reply);
 576
 577         return 0;
 578 }
 579
 580 static int enable_network(struct supplicant_task *task)
 581 {
 582         DBusMessage *message, *reply;
 583         DBusError error;
 584
 585         DBG("task %p", task);
 586
 587         if (task->netpath == NULL)
 588                 return -EINVAL;
 589
 590         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->netpath,
 591                                         SUPPLICANT_INTF ".Network", "enable");
 592         if (message == NULL)
 593                 return -ENOMEM;
 594
 595         dbus_error_init(&error);
 596
 597         reply = dbus_connection_send_with_reply_and_block(connection,
 598                                                         message, -1, &error);
 599         if (reply == NULL) {
 600                 if (dbus_error_is_set(&error) == TRUE) {
 601                         connman_error("%s", error.message);
 602                         dbus_error_free(&error);
 603                 } else
 604                         connman_error("Failed to enable network");
 605                 dbus_message_unref(message);
 606                 return -EIO;
 607         }
 608
 609         dbus_message_unref(message);
 610
 611         dbus_message_unref(reply);
 612
 613         return 0;
 614 }
 615
 616 static int disable_network(struct supplicant_task *task)
 617 {
 618         DBusMessage *message, *reply;
 619         DBusError error;
 620
 621         DBG("task %p", task);
 622
 623         if (task->netpath == NULL)
 624                 return -EINVAL;
 625
 626         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->netpath,
 627                                         SUPPLICANT_INTF ".Network", "disable");
 628         if (message == NULL)
 629                 return -ENOMEM;
 630
 631         dbus_error_init(&error);
 632
 633         reply = dbus_connection_send_with_reply_and_block(connection,
 634                                                         message, -1, &error);
 635         if (reply == NULL) {
 636                 if (dbus_error_is_set(&error) == TRUE) {
 637                         connman_error("%s", error.message);
 638                         dbus_error_free(&error);
 639                 } else
 640                         connman_error("Failed to disable network");
 641                 dbus_message_unref(message);
 642                 return -EIO;
 643         }
 644
 645         dbus_message_unref(message);
 646
 647         dbus_message_unref(reply);
 648
 649         return 0;
 650 }
 651
 652 static int set_network(struct supplicant_task *task,
 653                                 const unsigned char *network, int len,
 654                                 const char *security, const char *passphrase)
 655 {
 656         DBusMessage *message, *reply;
 657         DBusMessageIter array, dict;
 658         DBusError error;
 659
 660         DBG("task %p", task);
 661
 662         if (task->netpath == NULL)
 663                 return -EINVAL;
 664
 665         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->netpath,
 666                                         SUPPLICANT_INTF ".Network", "set");
 667         if (message == NULL)
 668                 return -ENOMEM;
 669
 670         dbus_message_iter_init_append(message, &array);
 671
 672         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 673                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 674                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 675                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 676
 677         connman_dbus_dict_append_array(&dict, "ssid",
 678                                         DBUS_TYPE_BYTE, &network, len);
 679
 680         if (g_ascii_strcasecmp(security, "wpa") == 0 ||
 681                                 g_ascii_strcasecmp(security, "wpa2") == 0) {
 682                 const char *key_mgmt = "WPA-PSK";
 683                 connman_dbus_dict_append_variant(&dict, "key_mgmt",
 684                                                 DBUS_TYPE_STRING, &key_mgmt);
 685
 686                 if (passphrase && strlen(passphrase) > 0)
 687                         connman_dbus_dict_append_variant(&dict, "psk",
 688                                                 DBUS_TYPE_STRING, &passphrase);
 689         } else if (g_ascii_strcasecmp(security, "wep") == 0) {
 690                 const char *key_mgmt = "NONE", *index = "0";
 691                 connman_dbus_dict_append_variant(&dict, "key_mgmt",
 692                                                 DBUS_TYPE_STRING, &key_mgmt);
 693
 694                 if (passphrase) {
 695                         int size = strlen(passphrase);
 696                         if (size == 10 || size == 26) {
 697                                 unsigned char *key = malloc(13);
 698                                 char tmp[3];
 699                                 int i;
 700                                 memset(tmp, 0, sizeof(tmp));
 701                                 if (key == NULL)
 702                                         size = 0;
 703                                 for (i = 0; i < size / 2; i++) {
 704                                         memcpy(tmp, passphrase + (i * 2), 2);
 705                                         key[i] = (unsigned char) strtol(tmp,
 706                                                                 NULL, 16);
 707                                 }
 708                                 connman_dbus_dict_append_array(&dict,
 709                                                 "wep_key0", DBUS_TYPE_BYTE,
 710                                                         &key, size / 2);
 711                                 free(key);
 712                         } else
 713                                 connman_dbus_dict_append_variant(&dict,
 714                                                 "wep_key0", DBUS_TYPE_STRING,
 715                                                                 &passphrase);
 716                         connman_dbus_dict_append_variant(&dict, "wep_tx_keyidx",
 717                                                 DBUS_TYPE_STRING, &index);
 718                 }
 719         } else {
 720                 const char *key_mgmt = "NONE";
 721                 connman_dbus_dict_append_variant(&dict, "key_mgmt",
 722                                                 DBUS_TYPE_STRING, &key_mgmt);
 723         }
 724
 725         dbus_message_iter_close_container(&array, &dict);
 726
 727         dbus_error_init(&error);
 728
 729         reply = dbus_connection_send_with_reply_and_block(connection,
 730                                                         message, -1, &error);
 731         if (reply == NULL) {
 732                 if (dbus_error_is_set(&error) == TRUE) {
 733                         connman_error("%s", error.message);
 734                         dbus_error_free(&error);
 735                 } else
 736                         connman_error("Failed to set network options");
 737                 dbus_message_unref(message);
 738                 return -EIO;
 739         }
 740
 741         dbus_message_unref(message);
 742
 743         dbus_message_unref(reply);
 744
 745         return 0;
 746 }
 747
 748 static int initiate_scan(struct supplicant_task *task)
 749 {
 750         DBusMessage *message;
 751         DBusPendingCall *call;
 752
 753         DBG("task %p", task);
 754
 755         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 756                                         SUPPLICANT_INTF ".Interface", "scan");
 757         if (message == NULL)
 758                 return -ENOMEM;
 759
 760         if (dbus_connection_send_with_reply(connection, message,
 761                                                 &call, TIMEOUT) == FALSE) {
 762                 connman_error("Failed to initiate scan");
 763                 dbus_message_unref(message);
 764                 return -EIO;
 765         }
 766
 767         dbus_message_unref(message);
 768
 769         return 0;
 770 }
 771
 772 static void extract_ssid(DBusMessageIter *value,
 773                                         struct supplicant_result *result)
 774 {
 775         DBusMessageIter array;
 776         unsigned char *ssid;
 777         int ssid_len;
 778
 779         dbus_message_iter_recurse(value, &array);
 780         dbus_message_iter_get_fixed_array(&array, &ssid, &ssid_len);
 781
 782         if (ssid_len < 1)
 783                 return;
 784
 785         result->ssid = g_try_malloc(ssid_len);
 786         if (result->ssid == NULL)
 787                 return;
 788
 789         memcpy(result->ssid, ssid, ssid_len);
 790         result->ssid_len = ssid_len;
 791
 792         result->identifier = g_try_malloc0(ssid_len + 1);
 793         if (result->identifier == NULL)
 794                 return;
 795
 796         memcpy(result->identifier, ssid, ssid_len);
 797 }
 798
 799 static void extract_wpaie(DBusMessageIter *value,
 800                                         struct supplicant_result *result)
 801 {
 802         DBusMessageIter array;
 803         unsigned char *ie;
 804         int ie_len;
 805
 806         dbus_message_iter_recurse(value, &array);
 807         dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
 808
 809         if (ie_len > 0)
 810                 result->has_wpa = TRUE;
 811 }
 812
 813 static void extract_rsnie(DBusMessageIter *value,
 814                                         struct supplicant_result *result)
 815 {
 816         DBusMessageIter array;
 817         unsigned char *ie;
 818         int ie_len;
 819
 820         dbus_message_iter_recurse(value, &array);
 821         dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
 822
 823         if (ie_len > 0)
 824                 result->has_rsn = TRUE;
 825 }
 826
 827 static void extract_capabilites(DBusMessageIter *value,
 828                                         struct supplicant_result *result)
 829 {
 830         dbus_message_iter_get_basic(value, &result->capabilities);
 831
 832         if (result->capabilities & IEEE80211_CAP_ESS)
 833                 result->adhoc = FALSE;
 834         else if (result->capabilities & IEEE80211_CAP_IBSS)
 835                 result->adhoc = TRUE;
 836
 837         if (result->capabilities & IEEE80211_CAP_PRIVACY)
 838                 result->has_wep = TRUE;
 839 }
 840
 841 static void get_properties(struct supplicant_task *task);
 842
 843 static void properties_reply(DBusPendingCall *call, void *user_data)
 844 {
 845         struct supplicant_task *task = user_data;
 846         struct supplicant_result result;
 847         struct connman_network *network;
 848         DBusMessage *reply;
 849         DBusMessageIter array, dict;
 850         char *security;
 851         unsigned char strength;
 852
 853         DBG("task %p", task);
 854
 855         reply = dbus_pending_call_steal_reply(call);
 856         if (reply == NULL) {
 857                 get_properties(task);
 858                 return;
 859         }
 860
 861         if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
 862                 dbus_message_unref(reply);
 863                 get_properties(task);
 864                 return;
 865         }
 866
 867         memset(&result, 0, sizeof(result));
 868
 869         dbus_message_iter_init(reply, &array);
 870
 871         dbus_message_iter_recurse(&array, &dict);
 872
 873         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
 874                 DBusMessageIter entry, value;
 875                 const char *key;
 876
 877                 dbus_message_iter_recurse(&dict, &entry);
 878                 dbus_message_iter_get_basic(&entry, &key);
 879
 880                 dbus_message_iter_next(&entry);
 881
 882                 dbus_message_iter_recurse(&entry, &value);
 883
 884                 //type = dbus_message_iter_get_arg_type(&value);
 885                 //dbus_message_iter_get_basic(&value, &val);
 886
 887                 /*
 888                  * bssid        : a (97)
 889                  * ssid         : a (97)
 890                  * wpaie        : a (97)
 891                  * rsnie        : a (97)
 892                  * frequency    : i (105)
 893                  * capabilities : q (113)
 894                  * quality      : i (105)
 895                  * noise        : i (105)
 896                  * level        : i (105)
 897                  * maxrate      : i (105)
 898                  */
 899
 900                 if (g_str_equal(key, "ssid") == TRUE)
 901                         extract_ssid(&value, &result);
 902                 else if (g_str_equal(key, "wpaie") == TRUE)
 903                         extract_wpaie(&value, &result);
 904                 else if (g_str_equal(key, "rsnie") == TRUE)
 905                         extract_rsnie(&value, &result);
 906                 else if (g_str_equal(key, "capabilities") == TRUE)
 907                         extract_capabilites(&value, &result);
 908                 else if (g_str_equal(key, "quality") == TRUE)
 909                         dbus_message_iter_get_basic(&value, &result.quality);
 910                 else if (g_str_equal(key, "noise") == TRUE)
 911                         dbus_message_iter_get_basic(&value, &result.noise);
 912                 else if (g_str_equal(key, "level") == TRUE)
 913                         dbus_message_iter_get_basic(&value, &result.level);
 914                 else if (g_str_equal(key, "maxrate") == TRUE)
 915                         dbus_message_iter_get_basic(&value, &result.maxrate);
 916
 917                 dbus_message_iter_next(&dict);
 918         }
 919
 920         if (result.identifier == NULL)
 921                 goto done;
 922
 923         if (result.identifier[0] == '\0')
 924                 goto done;
 925
 926         strength = result.quality;
 927
 928         if (result.has_rsn == TRUE)
 929                 security = "wpa2";
 930         else if (result.has_wpa == TRUE)
 931                 security = "wpa";
 932         else if (result.has_wep == TRUE)
 933                 security = "wep";
 934         else
 935                 security = "none";
 936
 937         network = connman_device_get_network(task->device, result.identifier);
 938         if (network == NULL) {
 939                 const char *mode;
 940                 int index;
 941
 942                 network = connman_network_create(result.identifier,
 943                                                 CONNMAN_NETWORK_TYPE_WIFI);
 944                 if (network == NULL)
 945                         goto done;
 946
 947                 index = connman_device_get_index(task->device);
 948                 connman_network_set_index(network, index);
 949
 950                 connman_network_set_protocol(network,
 951                                                 CONNMAN_NETWORK_PROTOCOL_IP);
 952
 953                 connman_network_set_string(network, "Name", result.identifier);
 954
 955                 connman_network_set_blob(network, "WiFi.SSID",
 956                                                 result.ssid, result.ssid_len);
 957
 958                 mode = (result.adhoc == TRUE) ? "adhoc" : "managed";
 959                 connman_network_set_string(network, "WiFi.Mode", mode);
 960
 961                 DBG("%s (%s %s) strength %d", result.identifier, mode,
 962                                                         security, strength);
 963
 964                 if (connman_device_add_network(task->device, network) < 0) {
 965                         connman_network_unref(network);
 966                         goto done;
 967                 }
 968         }
 969
 970         connman_network_set_available(network, TRUE);
 971         connman_network_set_uint8(network, "Strength", strength);
 972
 973         connman_network_set_string(network, "WiFi.Security", security);
 974
 975 done:
 976         g_free(result.identifier);
 977         g_free(result.ssid);
 978
 979         dbus_message_unref(reply);
 980
 981         get_properties(task);
 982 }
 983
 984 static void get_properties(struct supplicant_task *task)
 985 {
 986         DBusMessage *message;
 987         DBusPendingCall *call;
 988         char *path;
 989
 990         path = g_slist_nth_data(task->scan_results, 0);
 991         if (path == NULL)
 992                 goto noscan;
 993
 994         message = dbus_message_new_method_call(SUPPLICANT_NAME, path,
 995                                                 SUPPLICANT_INTF ".BSSID",
 996                                                                 "properties");
 997
 998         task->scan_results = g_slist_remove(task->scan_results, path);
 999         g_free(path);
1000
1001         if (message == NULL)
1002                 goto noscan;
1003
1004         if (dbus_connection_send_with_reply(connection, message,
1005                                                 &call, TIMEOUT) == FALSE) {
1006                 connman_error("Failed to get network properties");
1007                 dbus_message_unref(message);
1008                 goto noscan;
1009         }
1010
1011         dbus_pending_call_set_notify(call, properties_reply, task, NULL);
1012
1013         dbus_message_unref(message);
1014
1015         return;
1016
1017 noscan:
1018         if (task->noscan == FALSE)
1019                 connman_device_set_scanning(task->device, FALSE);
1020 }
1021
1022 static void scan_results_reply(DBusPendingCall *call, void *user_data)
1023 {
1024         struct supplicant_task *task = user_data;
1025         DBusMessage *reply;
1026         DBusError error;
1027         char **results;
1028         int i, num_results;
1029
1030         DBG("task %p", task);
1031
1032         reply = dbus_pending_call_steal_reply(call);
1033         if (reply == NULL)
1034                 goto noscan;
1035
1036         if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR)
1037                 goto done;
1038
1039         dbus_error_init(&error);
1040
1041         if (dbus_message_get_args(reply, &error,
1042                                 DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH,
1043                                                 &results, &num_results,
1044                                                 DBUS_TYPE_INVALID) == FALSE) {
1045                 if (dbus_error_is_set(&error) == TRUE) {
1046                         connman_error("%s", error.message);
1047                         dbus_error_free(&error);
1048                 } else
1049                         connman_error("Wrong arguments for scan result");
1050                 goto done;
1051         }
1052
1053         if (num_results == 0)
1054                 goto done;
1055
1056         for (i = 0; i < num_results; i++) {
1057                 char *path = g_strdup(results[i]);
1058                 if (path == NULL)
1059                         continue;
1060
1061                 task->scan_results = g_slist_append(task->scan_results, path);
1062         }
1063
1064         g_strfreev(results);
1065
1066         dbus_message_unref(reply);
1067
1068         get_properties(task);
1069
1070         return;
1071
1072 done:
1073         dbus_message_unref(reply);
1074
1075 noscan:
1076         if (task->noscan == FALSE)
1077                 connman_device_set_scanning(task->device, FALSE);
1078 }
1079
1080 static void scan_results_available(struct supplicant_task *task)
1081 {
1082         DBusMessage *message;
1083         DBusPendingCall *call;
1084
1085         DBG("task %p", task);
1086
1087         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
1088                                                 SUPPLICANT_INTF ".Interface",
1089                                                         "scanResults");
1090         if (message == NULL)
1091                 return;
1092
1093         if (dbus_connection_send_with_reply(connection, message,
1094                                                 &call, TIMEOUT) == FALSE) {
1095                 connman_error("Failed to request scan result");
1096                 goto done;
1097         }
1098
1099         if (task->noscan == FALSE)
1100                 connman_device_set_scanning(task->device, TRUE);
1101
1102         dbus_pending_call_set_notify(call, scan_results_reply, task, NULL);
1103
1104 done:
1105         dbus_message_unref(message);
1106 }
1107
1108 static enum supplicant_state string2state(const char *state)
1109 {
1110         if (g_str_equal(state, "INACTIVE") == TRUE)
1111                 return WPA_INACTIVE;
1112         else if (g_str_equal(state, "SCANNING") == TRUE)
1113                 return WPA_SCANNING;
1114         else if (g_str_equal(state, "ASSOCIATING") == TRUE)
1115                 return WPA_ASSOCIATING;
1116         else if (g_str_equal(state, "ASSOCIATED") == TRUE)
1117                 return WPA_ASSOCIATED;
1118         else if (g_str_equal(state, "GROUP_HANDSHAKE") == TRUE)
1119                 return WPA_GROUP_HANDSHAKE;
1120         else if (g_str_equal(state, "4WAY_HANDSHAKE") == TRUE)
1121                 return WPA_4WAY_HANDSHAKE;
1122         else if (g_str_equal(state, "COMPLETED") == TRUE)
1123                 return WPA_COMPLETED;
1124         else if (g_str_equal(state, "DISCONNECTED") == TRUE)
1125                 return WPA_DISCONNECTED;
1126         else
1127                 return WPA_INVALID;
1128 }
1129
1130 static void state_change(struct supplicant_task *task, DBusMessage *msg)
1131 {
1132         DBusError error;
1133         const char *newstate, *oldstate;
1134         enum supplicant_state state;
1135
1136         dbus_error_init(&error);
1137
1138         if (dbus_message_get_args(msg, &error, DBUS_TYPE_STRING, &newstate,
1139                                                 DBUS_TYPE_STRING, &oldstate,
1140                                                 DBUS_TYPE_INVALID) == FALSE) {
1141                 if (dbus_error_is_set(&error) == TRUE) {
1142                         connman_error("%s", error.message);
1143                         dbus_error_free(&error);
1144                 } else
1145                         connman_error("Wrong arguments for state change");
1146                 return;
1147         }
1148
1149         DBG("state %s ==> %s", oldstate, newstate);
1150
1151         state = string2state(newstate);
1152         if (state == WPA_INVALID)
1153                 return;
1154
1155         task->state = state;
1156
1157         switch (task->state) {
1158         case WPA_SCANNING:
1159                 task->noscan = TRUE;
1160                 connman_device_set_scanning(task->device, TRUE);
1161                 break;
1162         case WPA_ASSOCIATING:
1163         case WPA_ASSOCIATED:
1164         case WPA_4WAY_HANDSHAKE:
1165         case WPA_GROUP_HANDSHAKE:
1166                 task->noscan = TRUE;
1167                 break;
1168         case WPA_COMPLETED:
1169         case WPA_DISCONNECTED:
1170                 task->noscan = FALSE;
1171                 break;
1172         case WPA_INACTIVE:
1173                 task->noscan = FALSE;
1174                 connman_device_set_scanning(task->device, FALSE);
1175                 break;
1176         case WPA_INVALID:
1177                 break;
1178         }
1179
1180         if (task->network == NULL)
1181                 return;
1182
1183         switch (task->state) {
1184         case WPA_COMPLETED:
1185                 /* carrier on */
1186                 connman_network_set_connected(task->network, TRUE);
1187                 connman_device_set_scanning(task->device, FALSE);
1188                 break;
1189         case WPA_DISCONNECTED:
1190                 /* carrier off */
1191                 connman_network_set_connected(task->network, FALSE);
1192                 connman_device_set_scanning(task->device, FALSE);
1193                 break;
1194         default:
1195                 break;
1196         }
1197 }
1198
1199 static DBusHandlerResult supplicant_filter(DBusConnection *conn,
1200                                                 DBusMessage *msg, void *data)
1201 {
1202         struct supplicant_task *task;
1203         const char *member, *path;
1204
1205         if (dbus_message_has_interface(msg,
1206                                 SUPPLICANT_INTF ".Interface") == FALSE)
1207                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1208
1209         member = dbus_message_get_member(msg);
1210         if (member == NULL)
1211                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1212
1213         path = dbus_message_get_path(msg);
1214         if (path == NULL)
1215                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1216
1217         task = find_task_by_path(path);
1218         if (task == NULL)
1219                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1220
1221         DBG("task %p member %s", task, member);
1222
1223         if (g_str_equal(member, "ScanResultsAvailable") == TRUE)
1224                 scan_results_available(task);
1225         else if (g_str_equal(member, "StateChange") == TRUE)
1226                 state_change(task, msg);
1227
1228         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1229 }
1230
1231 int supplicant_start(struct connman_device *device)
1232 {
1233         struct supplicant_task *task;
1234
1235         DBG("device %p", device);
1236
1237         task = g_try_new0(struct supplicant_task, 1);
1238         if (task == NULL)
1239                 return -ENOMEM;
1240
1241         task->ifindex = connman_device_get_index(device);
1242         task->ifname = inet_index2name(task->ifindex);
1243
1244         if (task->ifname == NULL) {
1245                 g_free(task);
1246                 return -ENOMEM;
1247         }
1248
1249         task->device = connman_device_ref(device);
1250
1251         task->created = FALSE;
1252         task->noscan = FALSE;
1253         task->state = WPA_INVALID;
1254
1255         task_list = g_slist_append(task_list, task);
1256
1257         return create_interface(task);
1258 }
1259
1260 int supplicant_stop(struct connman_device *device)
1261 {
1262         int index = connman_device_get_index(device);
1263         struct supplicant_task *task;
1264
1265         DBG("device %p", device);
1266
1267         task = find_task_by_index(index);
1268         if (task == NULL)
1269                 return -ENODEV;
1270
1271         task_list = g_slist_remove(task_list, task);
1272
1273         disable_network(task);
1274
1275         remove_network(task);
1276
1277         return remove_interface(task);
1278 }
1279
1280 int supplicant_scan(struct connman_device *device)
1281 {
1282         int index = connman_device_get_index(device);
1283         struct supplicant_task *task;
1284         int err;
1285
1286         DBG("device %p", device);
1287
1288         task = find_task_by_index(index);
1289         if (task == NULL)
1290                 return -ENODEV;
1291
1292         switch (task->state) {
1293         case WPA_SCANNING:
1294                 return -EALREADY;
1295         case WPA_ASSOCIATING:
1296         case WPA_ASSOCIATED:
1297         case WPA_4WAY_HANDSHAKE:
1298         case WPA_GROUP_HANDSHAKE:
1299                 return -EBUSY;
1300         default:
1301                 break;
1302         }
1303
1304         err = initiate_scan(task);
1305
1306         return 0;
1307 }
1308
1309 int supplicant_connect(struct connman_network *network)
1310 {
1311         struct supplicant_task *task;
1312         const char *security, *passphrase;
1313         const void *ssid;
1314         unsigned int ssid_len;
1315         int index;
1316
1317         DBG("network %p", network);
1318
1319         security = connman_network_get_string(network, "WiFi.Security");
1320         passphrase = connman_network_get_string(network, "WiFi.Passphrase");
1321
1322         ssid = connman_network_get_blob(network, "WiFi.SSID", &ssid_len);
1323
1324         DBG("security %s passphrase %s", security, passphrase);
1325
1326         if (security == NULL && passphrase == NULL)
1327                 return -EINVAL;
1328
1329         if (g_str_equal(security, "none") == FALSE && passphrase == NULL)
1330                 return -EINVAL;
1331
1332         index = connman_network_get_index(network);
1333
1334         task = find_task_by_index(index);
1335         if (task == NULL)
1336                 return -ENODEV;
1337
1338         task->network = connman_network_ref(network);
1339
1340         add_network(task);
1341
1342         select_network(task);
1343         disable_network(task);
1344
1345         set_network(task, ssid, ssid_len, security, passphrase);
1346
1347         enable_network(task);
1348
1349         return 0;
1350 }
1351
1352 int supplicant_disconnect(struct connman_network *network)
1353 {
1354         struct supplicant_task *task;
1355         int index;
1356
1357         DBG("network %p", network);
1358
1359         index = connman_network_get_index(network);
1360
1361         task = find_task_by_index(index);
1362         if (task == NULL)
1363                 return -ENODEV;
1364
1365         disable_network(task);
1366
1367         remove_network(task);
1368
1369         connman_network_set_connected(task->network, FALSE);
1370
1371         connman_network_unref(task->network);
1372
1373         return 0;
1374 }
1375
1376 static void supplicant_activate(DBusConnection *conn)
1377 {
1378         DBusMessage *message;
1379
1380         DBG("conn %p", conn);
1381
1382         message = dbus_message_new_method_call(SUPPLICANT_NAME, "/",
1383                                 DBUS_INTERFACE_INTROSPECTABLE, "Introspect");
1384         if (message == NULL)
1385                 return;
1386
1387         dbus_message_set_no_reply(message, TRUE);
1388
1389         dbus_connection_send(conn, message, NULL);
1390
1391         dbus_message_unref(message);
1392 }
1393
1394 static GSList *driver_list = NULL;
1395
1396 static void supplicant_probe(DBusConnection *conn, void *user_data)
1397 {
1398         GSList *list;
1399
1400         DBG("conn %p", conn);
1401
1402         for (list = driver_list; list; list = list->next) {
1403                 struct supplicant_driver *driver = list->data;
1404
1405                 DBG("driver %p name %s", driver, driver->name);
1406
1407                 if (driver->probe)
1408                         driver->probe();
1409         }
1410 }
1411
1412 static void supplicant_remove(DBusConnection *conn, void *user_data)
1413 {
1414         GSList *list;
1415
1416         DBG("conn %p", conn);
1417
1418         for (list = driver_list; list; list = list->next) {
1419                 struct supplicant_driver *driver = list->data;
1420
1421                 DBG("driver %p name %s", driver, driver->name);
1422
1423                 if (driver->remove)
1424                         driver->remove();
1425         }
1426 }
1427
1428 static const char *supplicant_rule = "type=signal,"
1429                                 "interface=" SUPPLICANT_INTF ".Interface";
1430 static guint watch;
1431
1432 static int supplicant_create(void)
1433 {
1434         if (g_slist_length(driver_list) > 0)
1435                 return 0;
1436
1437         connection = connman_dbus_get_connection();
1438         if (connection == NULL)
1439                 return -EIO;
1440
1441         DBG("connection %p", connection);
1442
1443         if (dbus_connection_add_filter(connection,
1444                                 supplicant_filter, NULL, NULL) == FALSE) {
1445                 connection = connman_dbus_get_connection();
1446                 return -EIO;
1447         }
1448
1449         dbus_bus_add_match(connection, supplicant_rule, NULL);
1450         dbus_connection_flush(connection);
1451
1452         watch = g_dbus_add_service_watch(connection, SUPPLICANT_NAME,
1453                         supplicant_probe, supplicant_remove, NULL, NULL);
1454
1455         return 0;
1456 }
1457
1458 static void supplicant_destroy(void)
1459 {
1460         if (g_slist_length(driver_list) > 0)
1461                 return;
1462
1463         DBG("connection %p", connection);
1464
1465         if (watch > 0)
1466                 g_dbus_remove_watch(connection, watch);
1467
1468         dbus_bus_remove_match(connection, supplicant_rule, NULL);
1469         dbus_connection_flush(connection);
1470
1471         dbus_connection_remove_filter(connection, supplicant_filter, NULL);
1472
1473         dbus_connection_unref(connection);
1474         connection = NULL;
1475 }
1476
1477 int supplicant_register(struct supplicant_driver *driver)
1478 {
1479         int err;
1480
1481         DBG("driver %p name %s", driver, driver->name);
1482
1483         err = supplicant_create();
1484         if (err < 0)
1485                 return err;
1486
1487         driver_list = g_slist_append(driver_list, driver);
1488
1489         if (g_dbus_check_service(connection, SUPPLICANT_NAME) == TRUE)
1490                 supplicant_probe(connection, NULL);
1491         else
1492                 supplicant_activate(connection);
1493
1494         return 0;
1495 }
1496
1497 void supplicant_unregister(struct supplicant_driver *driver)
1498 {
1499         DBG("driver %p name %s", driver, driver->name);
1500
1501         supplicant_remove(connection, NULL);
1502
1503         driver_list = g_slist_remove(driver_list, driver);
1504
1505         supplicant_destroy();
1506 }