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 <stdio.h>
  27 #include <errno.h>
  28 #include <stdlib.h>
  29 #include <string.h>
  30 #include <net/ethernet.h>
  31
  32 #include <gdbus.h>
  33
  34 #define CONNMAN_API_SUBJECT_TO_CHANGE
  35 #include <connman/device.h>
  36 #include <connman/dbus.h>
  37 #include <connman/log.h>
  38
  39 #include "inet.h"
  40 #include "supplicant.h"
  41
  42 #define TIMEOUT 5000
  43
  44 #define IEEE80211_CAP_ESS       0x0001
  45 #define IEEE80211_CAP_IBSS      0x0002
  46 #define IEEE80211_CAP_PRIVACY   0x0010
  47
  48 #define SUPPLICANT_NAME  "fi.epitest.hostap.WPASupplicant"
  49 #define SUPPLICANT_INTF  "fi.epitest.hostap.WPASupplicant"
  50 #define SUPPLICANT_PATH  "/fi/epitest/hostap/WPASupplicant"
  51
  52 /* Taken from "WPA Supplicant - Common definitions" */
  53 enum supplicant_state {
  54         /**
  55          * WPA_DISCONNECTED - Disconnected state
  56          *
  57          * This state indicates that client is not associated, but is likely to
  58          * start looking for an access point. This state is entered when a
  59          * connection is lost.
  60          */
  61         WPA_DISCONNECTED,
  62
  63         /**
  64          * WPA_INACTIVE - Inactive state (wpa_supplicant disabled)
  65          *
  66          * This state is entered if there are no enabled networks in the
  67          * configuration. wpa_supplicant is not trying to associate with a new
  68          * network and external interaction (e.g., ctrl_iface call to add or
  69          * enable a network) is needed to start association.
  70          */
  71         WPA_INACTIVE,
  72
  73         /**
  74          * WPA_SCANNING - Scanning for a network
  75          *
  76          * This state is entered when wpa_supplicant starts scanning for a
  77          * network.
  78          */
  79         WPA_SCANNING,
  80
  81         /**
  82          * WPA_ASSOCIATING - Trying to associate with a BSS/SSID
  83          *
  84          * This state is entered when wpa_supplicant has found a suitable BSS
  85          * to associate with and the driver is configured to try to associate
  86          * with this BSS in ap_scan=1 mode. When using ap_scan=2 mode, this
  87          * state is entered when the driver is configured to try to associate
  88          * with a network using the configured SSID and security policy.
  89          */
  90         WPA_ASSOCIATING,
  91
  92         /**
  93          * WPA_ASSOCIATED - Association completed
  94          *
  95          * This state is entered when the driver reports that association has
  96          * been successfully completed with an AP. If IEEE 802.1X is used
  97          * (with or without WPA/WPA2), wpa_supplicant remains in this state
  98          * until the IEEE 802.1X/EAPOL authentication has been completed.
  99          */
 100         WPA_ASSOCIATED,
 101
 102         /**
 103          * WPA_4WAY_HANDSHAKE - WPA 4-Way Key Handshake in progress
 104          *
 105          * This state is entered when WPA/WPA2 4-Way Handshake is started. In
 106          * case of WPA-PSK, this happens when receiving the first EAPOL-Key
 107          * frame after association. In case of WPA-EAP, this state is entered
 108          * when the IEEE 802.1X/EAPOL authentication has been completed.
 109          */
 110         WPA_4WAY_HANDSHAKE,
 111
 112         /**
 113          * WPA_GROUP_HANDSHAKE - WPA Group Key Handshake in progress
 114          *
 115          * This state is entered when 4-Way Key Handshake has been completed
 116          * (i.e., when the supplicant sends out message 4/4) and when Group
 117          * Key rekeying is started by the AP (i.e., when supplicant receives
 118          * message 1/2).
 119          */
 120         WPA_GROUP_HANDSHAKE,
 121
 122         /**
 123          * WPA_COMPLETED - All authentication completed
 124          *
 125          * This state is entered when the full authentication process is
 126          * completed. In case of WPA2, this happens when the 4-Way Handshake is
 127          * successfully completed. With WPA, this state is entered after the
 128          * Group Key Handshake; with IEEE 802.1X (non-WPA) connection is
 129          * completed after dynamic keys are received (or if not used, after
 130          * the EAP authentication has been completed). With static WEP keys and
 131          * plaintext connections, this state is entered when an association
 132          * has been completed.
 133          *
 134          * This state indicates that the supplicant has completed its
 135          * processing for the association phase and that data connection is
 136          * fully configured.
 137          */
 138         WPA_COMPLETED,
 139
 140         /**
 141          * WPA_INVALID - Invalid state (parsing error)
 142          *
 143          * This state is returned if the string input is invalid. It is not
 144          * an official wpa_supplicant state.
 145          */
 146         WPA_INVALID,
 147 };
 148
 149 struct supplicant_result {
 150         char *path;
 151         char *name;
 152         char *addr;
 153         unsigned char *ssid;
 154         unsigned int ssid_len;
 155         dbus_uint16_t capabilities;
 156         gboolean adhoc;
 157         gboolean has_wep;
 158         gboolean has_wpa;
 159         gboolean has_rsn;
 160         gboolean has_wps;
 161         dbus_int32_t quality;
 162         dbus_int32_t noise;
 163         dbus_int32_t level;
 164         dbus_int32_t maxrate;
 165 };
 166
 167 struct supplicant_task {
 168         int ifindex;
 169         char *ifname;
 170         struct connman_device *device;
 171         struct connman_network *network;
 172         char *path;
 173         char *netpath;
 174         gboolean created;
 175         enum supplicant_state state;
 176         gboolean noscan;
 177         GSList *scan_results;
 178 };
 179
 180 static GSList *task_list = NULL;
 181
 182 static DBusConnection *connection;
 183
 184 static void free_task(struct supplicant_task *task)
 185 {
 186         DBG("task %p", task);
 187
 188         g_free(task->ifname);
 189         g_free(task->path);
 190         g_free(task);
 191 }
 192
 193 static struct supplicant_task *find_task_by_index(int index)
 194 {
 195         GSList *list;
 196
 197         for (list = task_list; list; list = list->next) {
 198                 struct supplicant_task *task = list->data;
 199
 200                 if (task->ifindex == index)
 201                         return task;
 202         }
 203
 204         return NULL;
 205 }
 206
 207 static struct supplicant_task *find_task_by_path(const char *path)
 208 {
 209         GSList *list;
 210
 211         for (list = task_list; list; list = list->next) {
 212                 struct supplicant_task *task = list->data;
 213
 214                 if (g_str_equal(task->path, path) == TRUE)
 215                         return task;
 216         }
 217
 218         return NULL;
 219 }
 220
 221 static void add_interface_reply(DBusPendingCall *call, void *user_data)
 222 {
 223         struct supplicant_task *task = user_data;
 224         DBusMessage *reply;
 225         DBusError error;
 226         const char *path;
 227
 228         DBG("task %p", task);
 229
 230         reply = dbus_pending_call_steal_reply(call);
 231         if (reply == NULL)
 232                 return;
 233
 234         if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR)
 235                 goto done;
 236
 237         dbus_error_init(&error);
 238
 239         if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
 240                                                 DBUS_TYPE_INVALID) == FALSE) {
 241                 if (dbus_error_is_set(&error) == TRUE) {
 242                         connman_error("%s", error.message);
 243                         dbus_error_free(&error);
 244                 } else
 245                         connman_error("Wrong arguments for add interface");
 246                 goto done;
 247         }
 248
 249         DBG("path %s", path);
 250
 251         task->path = g_strdup(path);
 252         task->created = TRUE;
 253
 254         connman_device_set_powered(task->device, TRUE);
 255
 256 done:
 257         dbus_message_unref(reply);
 258 }
 259
 260 static int add_interface(struct supplicant_task *task)
 261 {
 262         DBusMessage *message;
 263         DBusPendingCall *call;
 264
 265         DBG("task %p", task);
 266
 267         message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
 268                                         SUPPLICANT_INTF, "addInterface");
 269         if (message == NULL)
 270                 return -ENOMEM;
 271
 272         dbus_message_append_args(message, DBUS_TYPE_STRING, &task->ifname,
 273                                                         DBUS_TYPE_INVALID);
 274
 275         if (dbus_connection_send_with_reply(connection, message,
 276                                                 &call, TIMEOUT) == FALSE) {
 277                 connman_error("Failed to add interface");
 278                 dbus_message_unref(message);
 279                 return -EIO;
 280         }
 281
 282         if (call == NULL) {
 283                 connman_error("D-Bus connection not available");
 284                 dbus_message_unref(message);
 285                 return -EIO;
 286         }
 287
 288         dbus_pending_call_set_notify(call, add_interface_reply, task, NULL);
 289
 290         dbus_message_unref(message);
 291
 292         return -EINPROGRESS;
 293 }
 294
 295 static void get_interface_reply(DBusPendingCall *call, void *user_data)
 296 {
 297         struct supplicant_task *task = user_data;
 298         DBusMessage *reply;
 299         DBusError error;
 300         const char *path;
 301
 302         DBG("task %p", task);
 303
 304         reply = dbus_pending_call_steal_reply(call);
 305         if (reply == NULL)
 306                 return;
 307
 308         if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
 309                 add_interface(task);
 310                 goto done;
 311         }
 312
 313         dbus_error_init(&error);
 314
 315         if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
 316                                                 DBUS_TYPE_INVALID) == FALSE) {
 317                 if (dbus_error_is_set(&error) == TRUE) {
 318                         connman_error("%s", error.message);
 319                         dbus_error_free(&error);
 320                 } else
 321                         connman_error("Wrong arguments for get interface");
 322                 goto done;
 323         }
 324
 325         DBG("path %s", path);
 326
 327         task->path = g_strdup(path);
 328         task->created = FALSE;
 329
 330         connman_device_set_powered(task->device, TRUE);
 331
 332 done:
 333         dbus_message_unref(reply);
 334 }
 335
 336 static int create_interface(struct supplicant_task *task)
 337 {
 338         DBusMessage *message;
 339         DBusPendingCall *call;
 340
 341         DBG("task %p", task);
 342
 343         message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
 344                                         SUPPLICANT_INTF, "getInterface");
 345         if (message == NULL)
 346                 return -ENOMEM;
 347
 348         dbus_message_append_args(message, DBUS_TYPE_STRING, &task->ifname,
 349                                                         DBUS_TYPE_INVALID);
 350
 351         if (dbus_connection_send_with_reply(connection, message,
 352                                                 &call, TIMEOUT) == FALSE) {
 353                 connman_error("Failed to get interface");
 354                 dbus_message_unref(message);
 355                 return -EIO;
 356         }
 357
 358         if (call == NULL) {
 359                 connman_error("D-Bus connection not available");
 360                 dbus_message_unref(message);
 361                 return -EIO;
 362         }
 363
 364         dbus_pending_call_set_notify(call, get_interface_reply, task, NULL);
 365
 366         dbus_message_unref(message);
 367
 368         return -EINPROGRESS;
 369 }
 370
 371 static void remove_interface_reply(DBusPendingCall *call, void *user_data)
 372 {
 373         struct supplicant_task *task = user_data;
 374         DBusMessage *reply;
 375
 376         DBG("task %p", task);
 377
 378         reply = dbus_pending_call_steal_reply(call);
 379
 380         connman_device_set_powered(task->device, FALSE);
 381
 382         connman_device_unref(task->device);
 383
 384         inet_ifdown(task->ifindex);
 385
 386         free_task(task);
 387
 388         dbus_message_unref(reply);
 389 }
 390
 391 static int remove_interface(struct supplicant_task *task)
 392 {
 393         DBusMessage *message;
 394         DBusPendingCall *call;
 395
 396         DBG("task %p", task);
 397
 398         if (task->created == FALSE) {
 399                 connman_device_set_powered(task->device, FALSE);
 400                 return 0;
 401         }
 402
 403         message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
 404                                         SUPPLICANT_INTF, "removeInterface");
 405         if (message == NULL)
 406                 return -ENOMEM;
 407
 408         dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->path,
 409                                                         DBUS_TYPE_INVALID);
 410
 411         if (dbus_connection_send_with_reply(connection, message,
 412                                                 &call, TIMEOUT) == FALSE) {
 413                 connman_error("Failed to remove interface");
 414                 dbus_message_unref(message);
 415                 return -EIO;
 416         }
 417
 418         if (call == NULL) {
 419                 connman_error("D-Bus connection not available");
 420                 dbus_message_unref(message);
 421                 return -EIO;
 422         }
 423
 424         dbus_pending_call_set_notify(call, remove_interface_reply, task, NULL);
 425
 426         dbus_message_unref(message);
 427
 428         return -EINPROGRESS;
 429 }
 430
 431 #if 0
 432 static int set_ap_scan(struct supplicant_task *task)
 433 {
 434         DBusMessage *message, *reply;
 435         DBusError error;
 436         guint32 ap_scan = 1;
 437
 438         DBG("task %p", task);
 439
 440         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 441                                 SUPPLICANT_INTF ".Interface", "setAPScan");
 442         if (message == NULL)
 443                 return -ENOMEM;
 444
 445         dbus_message_append_args(message, DBUS_TYPE_UINT32, &ap_scan,
 446                                                         DBUS_TYPE_INVALID);
 447
 448         dbus_error_init(&error);
 449
 450         reply = dbus_connection_send_with_reply_and_block(connection,
 451                                                         message, -1, &error);
 452         if (reply == NULL) {
 453                 if (dbus_error_is_set(&error) == TRUE) {
 454                         connman_error("%s", error.message);
 455                         dbus_error_free(&error);
 456                 } else
 457                         connman_error("Failed to set AP scan");
 458                 dbus_message_unref(message);
 459                 return -EIO;
 460         }
 461
 462         dbus_message_unref(message);
 463
 464         dbus_message_unref(reply);
 465
 466         return 0;
 467 }
 468 #endif
 469
 470 static int add_network(struct supplicant_task *task)
 471 {
 472         DBusMessage *message, *reply;
 473         DBusError error;
 474         const char *path;
 475
 476         DBG("task %p", task);
 477
 478         if (task->netpath != NULL)
 479                 return -EALREADY;
 480
 481         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 482                                 SUPPLICANT_INTF ".Interface", "addNetwork");
 483         if (message == NULL)
 484                 return -ENOMEM;
 485
 486         dbus_error_init(&error);
 487
 488         reply = dbus_connection_send_with_reply_and_block(connection,
 489                                                         message, -1, &error);
 490         if (reply == NULL) {
 491                 if (dbus_error_is_set(&error) == TRUE) {
 492                         connman_error("%s", error.message);
 493                         dbus_error_free(&error);
 494                 } else
 495                         connman_error("Failed to add network");
 496                 dbus_message_unref(message);
 497                 return -EIO;
 498         }
 499
 500         dbus_message_unref(message);
 501
 502         dbus_error_init(&error);
 503
 504         if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
 505                                                 DBUS_TYPE_INVALID) == FALSE) {
 506                 if (dbus_error_is_set(&error) == TRUE) {
 507                         connman_error("%s", error.message);
 508                         dbus_error_free(&error);
 509                 } else
 510                         connman_error("Wrong arguments for network");
 511                 dbus_message_unref(reply);
 512                 return -EIO;
 513         }
 514
 515         DBG("path %s", path);
 516
 517         task->netpath = g_strdup(path);
 518
 519         dbus_message_unref(reply);
 520
 521         return 0;
 522 }
 523
 524 static int remove_network(struct supplicant_task *task)
 525 {
 526         DBusMessage *message, *reply;
 527         DBusError error;
 528
 529         DBG("task %p", task);
 530
 531         if (task->netpath == NULL)
 532                 return -EINVAL;
 533
 534         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 535                                 SUPPLICANT_INTF ".Interface", "removeNetwork");
 536         if (message == NULL)
 537                 return -ENOMEM;
 538
 539         dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->netpath,
 540                                                         DBUS_TYPE_INVALID);
 541
 542         dbus_error_init(&error);
 543
 544         reply = dbus_connection_send_with_reply_and_block(connection,
 545                                                         message, -1, &error);
 546         if (reply == NULL) {
 547                 if (dbus_error_is_set(&error) == TRUE) {
 548                         connman_error("%s", error.message);
 549                         dbus_error_free(&error);
 550                 } else
 551                         connman_error("Failed to remove network");
 552                 dbus_message_unref(message);
 553                 return -EIO;
 554         }
 555
 556         dbus_message_unref(message);
 557
 558         dbus_message_unref(reply);
 559
 560         g_free(task->netpath);
 561         task->netpath = NULL;
 562
 563         return 0;
 564 }
 565
 566 static int select_network(struct supplicant_task *task)
 567 {
 568         DBusMessage *message, *reply;
 569         DBusError error;
 570
 571         DBG("task %p", task);
 572
 573         if (task->netpath == NULL)
 574                 return -EINVAL;
 575
 576         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 577                                 SUPPLICANT_INTF ".Interface", "selectNetwork");
 578         if (message == NULL)
 579                 return -ENOMEM;
 580
 581         dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->netpath,
 582                                                         DBUS_TYPE_INVALID);
 583
 584         dbus_error_init(&error);
 585
 586         reply = dbus_connection_send_with_reply_and_block(connection,
 587                                                         message, -1, &error);
 588         if (reply == NULL) {
 589                 if (dbus_error_is_set(&error) == TRUE) {
 590                         connman_error("%s", error.message);
 591                         dbus_error_free(&error);
 592                 } else
 593                         connman_error("Failed to select network");
 594                 dbus_message_unref(message);
 595                 return -EIO;
 596         }
 597
 598         dbus_message_unref(message);
 599
 600         dbus_message_unref(reply);
 601
 602         return 0;
 603 }
 604
 605 static int enable_network(struct supplicant_task *task)
 606 {
 607         DBusMessage *message, *reply;
 608         DBusError error;
 609
 610         DBG("task %p", task);
 611
 612         if (task->netpath == NULL)
 613                 return -EINVAL;
 614
 615         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->netpath,
 616                                         SUPPLICANT_INTF ".Network", "enable");
 617         if (message == NULL)
 618                 return -ENOMEM;
 619
 620         dbus_error_init(&error);
 621
 622         reply = dbus_connection_send_with_reply_and_block(connection,
 623                                                         message, -1, &error);
 624         if (reply == NULL) {
 625                 if (dbus_error_is_set(&error) == TRUE) {
 626                         connman_error("%s", error.message);
 627                         dbus_error_free(&error);
 628                 } else
 629                         connman_error("Failed to enable network");
 630                 dbus_message_unref(message);
 631                 return -EIO;
 632         }
 633
 634         dbus_message_unref(message);
 635
 636         dbus_message_unref(reply);
 637
 638         return 0;
 639 }
 640
 641 static int disable_network(struct supplicant_task *task)
 642 {
 643         DBusMessage *message, *reply;
 644         DBusError error;
 645
 646         DBG("task %p", task);
 647
 648         if (task->netpath == NULL)
 649                 return -EINVAL;
 650
 651         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->netpath,
 652                                         SUPPLICANT_INTF ".Network", "disable");
 653         if (message == NULL)
 654                 return -ENOMEM;
 655
 656         dbus_error_init(&error);
 657
 658         reply = dbus_connection_send_with_reply_and_block(connection,
 659                                                         message, -1, &error);
 660         if (reply == NULL) {
 661                 if (dbus_error_is_set(&error) == TRUE) {
 662                         connman_error("%s", error.message);
 663                         dbus_error_free(&error);
 664                 } else
 665                         connman_error("Failed to disable network");
 666                 dbus_message_unref(message);
 667                 return -EIO;
 668         }
 669
 670         dbus_message_unref(message);
 671
 672         dbus_message_unref(reply);
 673
 674         return 0;
 675 }
 676
 677 static int set_network(struct supplicant_task *task,
 678                                 const unsigned char *network, int len,
 679                                 const char *address, const char *security,
 680                                                         const char *passphrase)
 681 {
 682         DBusMessage *message, *reply;
 683         DBusMessageIter array, dict;
 684         DBusError error;
 685
 686         DBG("task %p", task);
 687
 688         if (task->netpath == NULL)
 689                 return -EINVAL;
 690
 691         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->netpath,
 692                                         SUPPLICANT_INTF ".Network", "set");
 693         if (message == NULL)
 694                 return -ENOMEM;
 695
 696         dbus_message_iter_init_append(message, &array);
 697
 698         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 699                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 700                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 701                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 702
 703         if (address == NULL) {
 704                 dbus_uint32_t scan_ssid = 1;
 705                 connman_dbus_dict_append_variant(&dict, "scan_ssid",
 706                                                 DBUS_TYPE_UINT32, &scan_ssid);
 707         } else
 708                 connman_dbus_dict_append_variant(&dict, "bssid",
 709                                                 DBUS_TYPE_STRING, &address);
 710
 711         connman_dbus_dict_append_array(&dict, "ssid",
 712                                         DBUS_TYPE_BYTE, &network, len);
 713
 714         if (g_ascii_strcasecmp(security, "wpa") == 0 ||
 715                                 g_ascii_strcasecmp(security, "wpa2") == 0) {
 716                 const char *key_mgmt = "WPA-PSK";
 717                 connman_dbus_dict_append_variant(&dict, "key_mgmt",
 718                                                 DBUS_TYPE_STRING, &key_mgmt);
 719
 720                 if (passphrase && strlen(passphrase) > 0)
 721                         connman_dbus_dict_append_variant(&dict, "psk",
 722                                                 DBUS_TYPE_STRING, &passphrase);
 723         } else if (g_ascii_strcasecmp(security, "wep") == 0) {
 724                 const char *key_mgmt = "NONE", *index = "0";
 725                 connman_dbus_dict_append_variant(&dict, "key_mgmt",
 726                                                 DBUS_TYPE_STRING, &key_mgmt);
 727
 728                 if (passphrase) {
 729                         int size = strlen(passphrase);
 730                         if (size == 10 || size == 26) {
 731                                 unsigned char *key = malloc(13);
 732                                 char tmp[3];
 733                                 int i;
 734                                 memset(tmp, 0, sizeof(tmp));
 735                                 if (key == NULL)
 736                                         size = 0;
 737                                 for (i = 0; i < size / 2; i++) {
 738                                         memcpy(tmp, passphrase + (i * 2), 2);
 739                                         key[i] = (unsigned char) strtol(tmp,
 740                                                                 NULL, 16);
 741                                 }
 742                                 connman_dbus_dict_append_array(&dict,
 743                                                 "wep_key0", DBUS_TYPE_BYTE,
 744                                                         &key, size / 2);
 745                                 free(key);
 746                         } else
 747                                 connman_dbus_dict_append_variant(&dict,
 748                                                 "wep_key0", DBUS_TYPE_STRING,
 749                                                                 &passphrase);
 750                         connman_dbus_dict_append_variant(&dict, "wep_tx_keyidx",
 751                                                 DBUS_TYPE_STRING, &index);
 752                 }
 753         } else {
 754                 const char *key_mgmt = "NONE";
 755                 connman_dbus_dict_append_variant(&dict, "key_mgmt",
 756                                                 DBUS_TYPE_STRING, &key_mgmt);
 757         }
 758
 759         dbus_message_iter_close_container(&array, &dict);
 760
 761         dbus_error_init(&error);
 762
 763         reply = dbus_connection_send_with_reply_and_block(connection,
 764                                                         message, -1, &error);
 765         if (reply == NULL) {
 766                 if (dbus_error_is_set(&error) == TRUE) {
 767                         connman_error("%s", error.message);
 768                         dbus_error_free(&error);
 769                 } else
 770                         connman_error("Failed to set network options");
 771                 dbus_message_unref(message);
 772                 return -EIO;
 773         }
 774
 775         dbus_message_unref(message);
 776
 777         dbus_message_unref(reply);
 778
 779         return 0;
 780 }
 781
 782 static int initiate_scan(struct supplicant_task *task)
 783 {
 784         DBusMessage *message;
 785         DBusPendingCall *call;
 786
 787         DBG("task %p", task);
 788
 789         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 790                                         SUPPLICANT_INTF ".Interface", "scan");
 791         if (message == NULL)
 792                 return -ENOMEM;
 793
 794         if (dbus_connection_send_with_reply(connection, message,
 795                                                 &call, TIMEOUT) == FALSE) {
 796                 connman_error("Failed to initiate scan");
 797                 dbus_message_unref(message);
 798                 return -EIO;
 799         }
 800
 801         dbus_message_unref(message);
 802
 803         return 0;
 804 }
 805
 806 static char *build_group(const char *addr,
 807                         const unsigned char *ssid, unsigned int ssid_len,
 808                                         const char *mode, const char *security)
 809 {
 810         GString *str;
 811         unsigned int i;
 812
 813         if (ssid_len > 0 && ssid[0] != '\0') {
 814                 str = g_string_sized_new((ssid_len * 2) + 24);
 815                 if (str == NULL)
 816                         return NULL;
 817
 818                 for (i = 0; i < ssid_len; i++)
 819                         g_string_append_printf(str, "%02x", ssid[i]);
 820         } else {
 821                 if (addr == NULL)
 822                         return NULL;
 823
 824                 str = g_string_sized_new(15 + 24);
 825                 if (str == NULL)
 826                         return NULL;
 827
 828                 g_string_append_printf(str, "hidden_%s", addr);
 829         }
 830
 831         g_string_append_printf(str, "_%s_%s", mode, security);
 832
 833         return g_string_free(str, FALSE);
 834 }
 835
 836 static void extract_addr(DBusMessageIter *value,
 837                                         struct supplicant_result *result)
 838 {
 839         DBusMessageIter array;
 840         struct ether_addr *eth;
 841         unsigned char *addr;
 842         int addr_len;
 843
 844         dbus_message_iter_recurse(value, &array);
 845         dbus_message_iter_get_fixed_array(&array, &addr, &addr_len);
 846
 847         if (addr_len != 6)
 848                 return;
 849
 850         eth = (void *) addr;
 851
 852         result->addr = g_try_malloc0(18);
 853         if (result->addr == NULL)
 854                 return;
 855
 856         snprintf(result->addr, 18, "%02X:%02X:%02X:%02X:%02X:%02X",
 857                                                 eth->ether_addr_octet[0],
 858                                                 eth->ether_addr_octet[1],
 859                                                 eth->ether_addr_octet[2],
 860                                                 eth->ether_addr_octet[3],
 861                                                 eth->ether_addr_octet[4],
 862                                                 eth->ether_addr_octet[5]);
 863
 864         result->path = g_try_malloc0(18);
 865         if (result->path == NULL)
 866                 return;
 867
 868         snprintf(result->path, 18, "%02x%02x%02x%02x%02x%02x",
 869                                                 eth->ether_addr_octet[0],
 870                                                 eth->ether_addr_octet[1],
 871                                                 eth->ether_addr_octet[2],
 872                                                 eth->ether_addr_octet[3],
 873                                                 eth->ether_addr_octet[4],
 874                                                 eth->ether_addr_octet[5]);
 875 }
 876
 877 static void extract_ssid(DBusMessageIter *value,
 878                                         struct supplicant_result *result)
 879 {
 880         DBusMessageIter array;
 881         unsigned char *ssid;
 882         int ssid_len;
 883
 884         dbus_message_iter_recurse(value, &array);
 885         dbus_message_iter_get_fixed_array(&array, &ssid, &ssid_len);
 886
 887         if (ssid_len < 1)
 888                 return;
 889
 890         if (ssid[0] == '\0')
 891                 return;
 892
 893         result->ssid = g_try_malloc(ssid_len);
 894         if (result->ssid == NULL)
 895                 return;
 896
 897         memcpy(result->ssid, ssid, ssid_len);
 898         result->ssid_len = ssid_len;
 899
 900         result->name = g_try_malloc0(ssid_len + 1);
 901         if (result->name == NULL)
 902                 return;
 903
 904         memcpy(result->name, ssid, ssid_len);
 905 }
 906
 907 static void extract_wpaie(DBusMessageIter *value,
 908                                         struct supplicant_result *result)
 909 {
 910         DBusMessageIter array;
 911         unsigned char *ie;
 912         int ie_len;
 913
 914         dbus_message_iter_recurse(value, &array);
 915         dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
 916
 917         if (ie_len > 0)
 918                 result->has_wpa = TRUE;
 919 }
 920
 921 static void extract_rsnie(DBusMessageIter *value,
 922                                         struct supplicant_result *result)
 923 {
 924         DBusMessageIter array;
 925         unsigned char *ie;
 926         int ie_len;
 927
 928         dbus_message_iter_recurse(value, &array);
 929         dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
 930
 931         if (ie_len > 0)
 932                 result->has_rsn = TRUE;
 933 }
 934
 935 static void extract_wpsie(DBusMessageIter *value,
 936                                         struct supplicant_result *result)
 937 {
 938         DBusMessageIter array;
 939         unsigned char *ie;
 940         int ie_len;
 941
 942         dbus_message_iter_recurse(value, &array);
 943         dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
 944
 945         if (ie_len > 0)
 946                 result->has_wps = TRUE;
 947 }
 948
 949 static void extract_capabilites(DBusMessageIter *value,
 950                                         struct supplicant_result *result)
 951 {
 952         dbus_message_iter_get_basic(value, &result->capabilities);
 953
 954         if (result->capabilities & IEEE80211_CAP_ESS)
 955                 result->adhoc = FALSE;
 956         else if (result->capabilities & IEEE80211_CAP_IBSS)
 957                 result->adhoc = TRUE;
 958
 959         if (result->capabilities & IEEE80211_CAP_PRIVACY)
 960                 result->has_wep = TRUE;
 961 }
 962
 963 static void get_properties(struct supplicant_task *task);
 964
 965 static void properties_reply(DBusPendingCall *call, void *user_data)
 966 {
 967         struct supplicant_task *task = user_data;
 968         struct supplicant_result result;
 969         struct connman_network *network;
 970         DBusMessage *reply;
 971         DBusMessageIter array, dict;
 972         unsigned char strength;
 973         const char *mode, *security;
 974         char *group;
 975
 976         DBG("task %p", task);
 977
 978         reply = dbus_pending_call_steal_reply(call);
 979         if (reply == NULL) {
 980                 get_properties(task);
 981                 return;
 982         }
 983
 984         if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
 985                 dbus_message_unref(reply);
 986                 get_properties(task);
 987                 return;
 988         }
 989
 990         memset(&result, 0, sizeof(result));
 991
 992         dbus_message_iter_init(reply, &array);
 993
 994         dbus_message_iter_recurse(&array, &dict);
 995
 996         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
 997                 DBusMessageIter entry, value;
 998                 const char *key;
 999
1000                 dbus_message_iter_recurse(&dict, &entry);
1001                 dbus_message_iter_get_basic(&entry, &key);
1002
1003                 dbus_message_iter_next(&entry);
1004
1005                 dbus_message_iter_recurse(&entry, &value);
1006
1007                 //type = dbus_message_iter_get_arg_type(&value);
1008                 //dbus_message_iter_get_basic(&value, &val);
1009
1010                 /*
1011                  * bssid        : a (97)
1012                  * ssid         : a (97)
1013                  * wpaie        : a (97)
1014                  * rsnie        : a (97)
1015                  * wpsie        : a (97)
1016                  * frequency    : i (105)
1017                  * capabilities : q (113)
1018                  * quality      : i (105)
1019                  * noise        : i (105)
1020                  * level        : i (105)
1021                  * maxrate      : i (105)
1022                  */
1023
1024                 if (g_str_equal(key, "bssid") == TRUE)
1025                         extract_addr(&value, &result);
1026                 else if (g_str_equal(key, "ssid") == TRUE)
1027                         extract_ssid(&value, &result);
1028                 else if (g_str_equal(key, "wpaie") == TRUE)
1029                         extract_wpaie(&value, &result);
1030                 else if (g_str_equal(key, "rsnie") == TRUE)
1031                         extract_rsnie(&value, &result);
1032                 else if (g_str_equal(key, "wpsie") == TRUE)
1033                         extract_wpsie(&value, &result);
1034                 else if (g_str_equal(key, "capabilities") == TRUE)
1035                         extract_capabilites(&value, &result);
1036                 else if (g_str_equal(key, "quality") == TRUE)
1037                         dbus_message_iter_get_basic(&value, &result.quality);
1038                 else if (g_str_equal(key, "noise") == TRUE)
1039                         dbus_message_iter_get_basic(&value, &result.noise);
1040                 else if (g_str_equal(key, "level") == TRUE)
1041                         dbus_message_iter_get_basic(&value, &result.level);
1042                 else if (g_str_equal(key, "maxrate") == TRUE)
1043                         dbus_message_iter_get_basic(&value, &result.maxrate);
1044
1045                 dbus_message_iter_next(&dict);
1046         }
1047
1048         if (result.path == NULL)
1049                 goto done;
1050
1051         if (result.path[0] == '\0')
1052                 goto done;
1053
1054         strength = result.quality;
1055
1056         if (result.has_rsn == TRUE)
1057                 security = "wpa2";
1058         else if (result.has_wpa == TRUE)
1059                 security = "wpa";
1060         else if (result.has_wep == TRUE)
1061                 security = "wep";
1062         else
1063                 security = "none";
1064
1065         mode = (result.adhoc == TRUE) ? "adhoc" : "managed";
1066
1067         group = build_group(result.path, result.ssid, result.ssid_len,
1068                                                         mode, security);
1069
1070         network = connman_device_get_network(task->device, result.path);
1071         if (network == NULL) {
1072                 int index;
1073
1074                 network = connman_network_create(result.path,
1075                                                 CONNMAN_NETWORK_TYPE_WIFI);
1076                 if (network == NULL)
1077                         goto done;
1078
1079                 index = connman_device_get_index(task->device);
1080                 connman_network_set_index(network, index);
1081
1082                 connman_network_set_protocol(network,
1083                                                 CONNMAN_NETWORK_PROTOCOL_IP);
1084
1085                 connman_network_set_string(network, "Address", result.addr);
1086
1087                 connman_network_set_group(network, group);
1088
1089                 if (result.name != NULL && result.name[0] != '\0')
1090                         connman_network_set_string(network, "Name", result.name);
1091
1092                 connman_network_set_uint8(network, "Strength", strength);
1093
1094                 connman_network_set_string(network, "WiFi.Mode", mode);
1095                 connman_network_set_string(network, "WiFi.Security", security);
1096
1097                 if (connman_device_add_network(task->device, network) < 0) {
1098                         connman_network_unref(network);
1099                         goto done;
1100                 }
1101         }
1102
1103         connman_network_set_group(network, group);
1104
1105         g_free(group);
1106
1107         if (result.name != NULL && result.name[0] != '\0')
1108                 connman_network_set_string(network, "Name", result.name);
1109
1110         connman_network_set_blob(network, "WiFi.SSID",
1111                                                 result.ssid, result.ssid_len);
1112
1113         connman_network_set_string(network, "WiFi.Mode", mode);
1114
1115         DBG("%s (%s %s) strength %d (%s)",
1116                                 result.name, mode, security, strength,
1117                                 (result.has_wps == TRUE) ? "WPS" : "no WPS");
1118
1119         connman_network_set_available(network, TRUE);
1120         connman_network_set_uint8(network, "Strength", strength);
1121
1122         connman_network_set_string(network, "WiFi.Security", security);
1123
1124 done:
1125         g_free(result.path);
1126         g_free(result.addr);
1127         g_free(result.name);
1128         g_free(result.ssid);
1129
1130         dbus_message_unref(reply);
1131
1132         get_properties(task);
1133 }
1134
1135 static void get_properties(struct supplicant_task *task)
1136 {
1137         DBusMessage *message;
1138         DBusPendingCall *call;
1139         char *path;
1140
1141         path = g_slist_nth_data(task->scan_results, 0);
1142         if (path == NULL)
1143                 goto noscan;
1144
1145         message = dbus_message_new_method_call(SUPPLICANT_NAME, path,
1146                                                 SUPPLICANT_INTF ".BSSID",
1147                                                                 "properties");
1148
1149         task->scan_results = g_slist_remove(task->scan_results, path);
1150         g_free(path);
1151
1152         if (message == NULL)
1153                 goto noscan;
1154
1155         if (dbus_connection_send_with_reply(connection, message,
1156                                                 &call, TIMEOUT) == FALSE) {
1157                 connman_error("Failed to get network properties");
1158                 dbus_message_unref(message);
1159                 goto noscan;
1160         }
1161
1162         if (call == NULL) {
1163                 connman_error("D-Bus connection not available");
1164                 dbus_message_unref(message);
1165                 goto noscan;
1166         }
1167
1168         dbus_pending_call_set_notify(call, properties_reply, task, NULL);
1169
1170         dbus_message_unref(message);
1171
1172         return;
1173
1174 noscan:
1175         if (task->noscan == FALSE)
1176                 connman_device_set_scanning(task->device, FALSE);
1177 }
1178
1179 static void scan_results_reply(DBusPendingCall *call, void *user_data)
1180 {
1181         struct supplicant_task *task = user_data;
1182         DBusMessage *reply;
1183         DBusError error;
1184         char **results;
1185         int i, num_results;
1186
1187         DBG("task %p", task);
1188
1189         reply = dbus_pending_call_steal_reply(call);
1190         if (reply == NULL)
1191                 goto noscan;
1192
1193         if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR)
1194                 goto done;
1195
1196         dbus_error_init(&error);
1197
1198         if (dbus_message_get_args(reply, &error,
1199                                 DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH,
1200                                                 &results, &num_results,
1201                                                 DBUS_TYPE_INVALID) == FALSE) {
1202                 if (dbus_error_is_set(&error) == TRUE) {
1203                         connman_error("%s", error.message);
1204                         dbus_error_free(&error);
1205                 } else
1206                         connman_error("Wrong arguments for scan result");
1207                 goto done;
1208         }
1209
1210         if (num_results == 0)
1211                 goto done;
1212
1213         for (i = 0; i < num_results; i++) {
1214                 char *path = g_strdup(results[i]);
1215                 if (path == NULL)
1216                         continue;
1217
1218                 task->scan_results = g_slist_append(task->scan_results, path);
1219         }
1220
1221         g_strfreev(results);
1222
1223         dbus_message_unref(reply);
1224
1225         get_properties(task);
1226
1227         return;
1228
1229 done:
1230         dbus_message_unref(reply);
1231
1232 noscan:
1233         if (task->noscan == FALSE)
1234                 connman_device_set_scanning(task->device, FALSE);
1235 }
1236
1237 static void scan_results_available(struct supplicant_task *task)
1238 {
1239         DBusMessage *message;
1240         DBusPendingCall *call;
1241
1242         DBG("task %p", task);
1243
1244         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
1245                                                 SUPPLICANT_INTF ".Interface",
1246                                                         "scanResults");
1247         if (message == NULL)
1248                 return;
1249
1250         if (dbus_connection_send_with_reply(connection, message,
1251                                                 &call, TIMEOUT) == FALSE) {
1252                 connman_error("Failed to request scan result");
1253                 goto done;
1254         }
1255
1256         if (task->noscan == FALSE)
1257                 connman_device_set_scanning(task->device, TRUE);
1258
1259         if (call == NULL) {
1260                 connman_error("D-Bus connection not available");
1261                 goto done;
1262         }
1263
1264         dbus_pending_call_set_notify(call, scan_results_reply, task, NULL);
1265
1266 done:
1267         dbus_message_unref(message);
1268 }
1269
1270 static enum supplicant_state string2state(const char *state)
1271 {
1272         if (g_str_equal(state, "INACTIVE") == TRUE)
1273                 return WPA_INACTIVE;
1274         else if (g_str_equal(state, "SCANNING") == TRUE)
1275                 return WPA_SCANNING;
1276         else if (g_str_equal(state, "ASSOCIATING") == TRUE)
1277                 return WPA_ASSOCIATING;
1278         else if (g_str_equal(state, "ASSOCIATED") == TRUE)
1279                 return WPA_ASSOCIATED;
1280         else if (g_str_equal(state, "GROUP_HANDSHAKE") == TRUE)
1281                 return WPA_GROUP_HANDSHAKE;
1282         else if (g_str_equal(state, "4WAY_HANDSHAKE") == TRUE)
1283                 return WPA_4WAY_HANDSHAKE;
1284         else if (g_str_equal(state, "COMPLETED") == TRUE)
1285                 return WPA_COMPLETED;
1286         else if (g_str_equal(state, "DISCONNECTED") == TRUE)
1287                 return WPA_DISCONNECTED;
1288         else
1289                 return WPA_INVALID;
1290 }
1291
1292 static void state_change(struct supplicant_task *task, DBusMessage *msg)
1293 {
1294         DBusError error;
1295         const char *newstate, *oldstate;
1296         enum supplicant_state state;
1297
1298         dbus_error_init(&error);
1299
1300         if (dbus_message_get_args(msg, &error, DBUS_TYPE_STRING, &newstate,
1301                                                 DBUS_TYPE_STRING, &oldstate,
1302                                                 DBUS_TYPE_INVALID) == FALSE) {
1303                 if (dbus_error_is_set(&error) == TRUE) {
1304                         connman_error("%s", error.message);
1305                         dbus_error_free(&error);
1306                 } else
1307                         connman_error("Wrong arguments for state change");
1308                 return;
1309         }
1310
1311         DBG("state %s ==> %s", oldstate, newstate);
1312
1313         state = string2state(newstate);
1314         if (state == WPA_INVALID)
1315                 return;
1316
1317         task->state = state;
1318
1319         switch (task->state) {
1320         case WPA_SCANNING:
1321                 task->noscan = TRUE;
1322                 connman_device_set_scanning(task->device, TRUE);
1323                 break;
1324         case WPA_ASSOCIATING:
1325         case WPA_ASSOCIATED:
1326         case WPA_4WAY_HANDSHAKE:
1327         case WPA_GROUP_HANDSHAKE:
1328                 task->noscan = TRUE;
1329                 break;
1330         case WPA_COMPLETED:
1331         case WPA_DISCONNECTED:
1332                 task->noscan = FALSE;
1333                 break;
1334         case WPA_INACTIVE:
1335                 task->noscan = FALSE;
1336                 connman_device_set_scanning(task->device, FALSE);
1337                 break;
1338         case WPA_INVALID:
1339                 break;
1340         }
1341
1342         if (task->network == NULL)
1343                 return;
1344
1345         switch (task->state) {
1346         case WPA_COMPLETED:
1347                 /* carrier on */
1348                 connman_network_set_connected(task->network, TRUE);
1349                 connman_device_set_scanning(task->device, FALSE);
1350                 break;
1351         case WPA_DISCONNECTED:
1352                 /* carrier off */
1353                 connman_network_set_connected(task->network, FALSE);
1354                 connman_device_set_scanning(task->device, FALSE);
1355                 break;
1356         case WPA_ASSOCIATING:
1357                 connman_network_set_associating(task->network, TRUE);
1358                 break;
1359         default:
1360                 connman_network_set_associating(task->network, FALSE);
1361                 break;
1362         }
1363 }
1364
1365 static DBusHandlerResult supplicant_filter(DBusConnection *conn,
1366                                                 DBusMessage *msg, void *data)
1367 {
1368         struct supplicant_task *task;
1369         const char *member, *path;
1370
1371         if (dbus_message_has_interface(msg,
1372                                 SUPPLICANT_INTF ".Interface") == FALSE)
1373                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1374
1375         member = dbus_message_get_member(msg);
1376         if (member == NULL)
1377                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1378
1379         path = dbus_message_get_path(msg);
1380         if (path == NULL)
1381                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1382
1383         task = find_task_by_path(path);
1384         if (task == NULL)
1385                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1386
1387         DBG("task %p member %s", task, member);
1388
1389         if (g_str_equal(member, "ScanResultsAvailable") == TRUE)
1390                 scan_results_available(task);
1391         else if (g_str_equal(member, "StateChange") == TRUE)
1392                 state_change(task, msg);
1393
1394         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1395 }
1396
1397 int supplicant_start(struct connman_device *device)
1398 {
1399         struct supplicant_task *task;
1400
1401         DBG("device %p", device);
1402
1403         task = g_try_new0(struct supplicant_task, 1);
1404         if (task == NULL)
1405                 return -ENOMEM;
1406
1407         task->ifindex = connman_device_get_index(device);
1408         task->ifname = inet_index2name(task->ifindex);
1409
1410         if (task->ifname == NULL) {
1411                 g_free(task);
1412                 return -ENOMEM;
1413         }
1414
1415         task->device = connman_device_ref(device);
1416
1417         task->created = FALSE;
1418         task->noscan = FALSE;
1419         task->state = WPA_INVALID;
1420
1421         task_list = g_slist_append(task_list, task);
1422
1423         return create_interface(task);
1424 }
1425
1426 int supplicant_stop(struct connman_device *device)
1427 {
1428         int index = connman_device_get_index(device);
1429         struct supplicant_task *task;
1430
1431         DBG("device %p", device);
1432
1433         task = find_task_by_index(index);
1434         if (task == NULL)
1435                 return -ENODEV;
1436
1437         task_list = g_slist_remove(task_list, task);
1438
1439         disable_network(task);
1440
1441         remove_network(task);
1442
1443         return remove_interface(task);
1444 }
1445
1446 int supplicant_scan(struct connman_device *device)
1447 {
1448         int index = connman_device_get_index(device);
1449         struct supplicant_task *task;
1450         int err;
1451
1452         DBG("device %p", device);
1453
1454         task = find_task_by_index(index);
1455         if (task == NULL)
1456                 return -ENODEV;
1457
1458         switch (task->state) {
1459         case WPA_SCANNING:
1460                 return -EALREADY;
1461         case WPA_ASSOCIATING:
1462         case WPA_ASSOCIATED:
1463         case WPA_4WAY_HANDSHAKE:
1464         case WPA_GROUP_HANDSHAKE:
1465                 return -EBUSY;
1466         default:
1467                 break;
1468         }
1469
1470         err = initiate_scan(task);
1471
1472         return 0;
1473 }
1474
1475 int supplicant_connect(struct connman_network *network)
1476 {
1477         struct supplicant_task *task;
1478         const char *address, *security, *passphrase;
1479         const void *ssid;
1480         unsigned int ssid_len;
1481         int index;
1482
1483         DBG("network %p", network);
1484
1485         address = connman_network_get_string(network, "Address");
1486         security = connman_network_get_string(network, "WiFi.Security");
1487         passphrase = connman_network_get_string(network, "WiFi.Passphrase");
1488
1489         ssid = connman_network_get_blob(network, "WiFi.SSID", &ssid_len);
1490
1491         DBG("address %s security %s passphrase %s",
1492                                         address, security, passphrase);
1493
1494         if (security == NULL && passphrase == NULL)
1495                 return -EINVAL;
1496
1497         if (g_str_equal(security, "none") == FALSE && passphrase == NULL)
1498                 return -EINVAL;
1499
1500         index = connman_network_get_index(network);
1501
1502         task = find_task_by_index(index);
1503         if (task == NULL)
1504                 return -ENODEV;
1505
1506         task->network = connman_network_ref(network);
1507
1508         add_network(task);
1509
1510         select_network(task);
1511         disable_network(task);
1512
1513         set_network(task, ssid, ssid_len, address, security, passphrase);
1514
1515         enable_network(task);
1516
1517         connman_network_set_associating(task->network, TRUE);
1518
1519         return 0;
1520 }
1521
1522 int supplicant_disconnect(struct connman_network *network)
1523 {
1524         struct supplicant_task *task;
1525         int index;
1526
1527         DBG("network %p", network);
1528
1529         index = connman_network_get_index(network);
1530
1531         task = find_task_by_index(index);
1532         if (task == NULL)
1533                 return -ENODEV;
1534
1535         disable_network(task);
1536
1537         remove_network(task);
1538
1539         connman_network_set_connected(task->network, FALSE);
1540
1541         connman_network_unref(task->network);
1542
1543         return 0;
1544 }
1545
1546 static void supplicant_activate(DBusConnection *conn)
1547 {
1548         DBusMessage *message;
1549
1550         DBG("conn %p", conn);
1551
1552         message = dbus_message_new_method_call(SUPPLICANT_NAME, "/",
1553                                 DBUS_INTERFACE_INTROSPECTABLE, "Introspect");
1554         if (message == NULL)
1555                 return;
1556
1557         dbus_message_set_no_reply(message, TRUE);
1558
1559         dbus_connection_send(conn, message, NULL);
1560
1561         dbus_message_unref(message);
1562 }
1563
1564 static GSList *driver_list = NULL;
1565
1566 static void supplicant_probe(DBusConnection *conn, void *user_data)
1567 {
1568         GSList *list;
1569
1570         DBG("conn %p", conn);
1571
1572         for (list = driver_list; list; list = list->next) {
1573                 struct supplicant_driver *driver = list->data;
1574
1575                 DBG("driver %p name %s", driver, driver->name);
1576
1577                 if (driver->probe)
1578                         driver->probe();
1579         }
1580 }
1581
1582 static void supplicant_remove(DBusConnection *conn, void *user_data)
1583 {
1584         GSList *list;
1585
1586         DBG("conn %p", conn);
1587
1588         for (list = driver_list; list; list = list->next) {
1589                 struct supplicant_driver *driver = list->data;
1590
1591                 DBG("driver %p name %s", driver, driver->name);
1592
1593                 if (driver->remove)
1594                         driver->remove();
1595         }
1596 }
1597
1598 static const char *supplicant_rule = "type=signal,"
1599                                 "interface=" SUPPLICANT_INTF ".Interface";
1600 static guint watch;
1601
1602 static int supplicant_create(void)
1603 {
1604         if (g_slist_length(driver_list) > 0)
1605                 return 0;
1606
1607         connection = connman_dbus_get_connection();
1608         if (connection == NULL)
1609                 return -EIO;
1610
1611         DBG("connection %p", connection);
1612
1613         if (dbus_connection_add_filter(connection,
1614                                 supplicant_filter, NULL, NULL) == FALSE) {
1615                 connection = connman_dbus_get_connection();
1616                 return -EIO;
1617         }
1618
1619         dbus_bus_add_match(connection, supplicant_rule, NULL);
1620         dbus_connection_flush(connection);
1621
1622         watch = g_dbus_add_service_watch(connection, SUPPLICANT_NAME,
1623                         supplicant_probe, supplicant_remove, NULL, NULL);
1624
1625         return 0;
1626 }
1627
1628 static void supplicant_destroy(void)
1629 {
1630         if (g_slist_length(driver_list) > 0)
1631                 return;
1632
1633         DBG("connection %p", connection);
1634
1635         if (watch > 0)
1636                 g_dbus_remove_watch(connection, watch);
1637
1638         dbus_bus_remove_match(connection, supplicant_rule, NULL);
1639         dbus_connection_flush(connection);
1640
1641         dbus_connection_remove_filter(connection, supplicant_filter, NULL);
1642
1643         dbus_connection_unref(connection);
1644         connection = NULL;
1645 }
1646
1647 int supplicant_register(struct supplicant_driver *driver)
1648 {
1649         int err;
1650
1651         DBG("driver %p name %s", driver, driver->name);
1652
1653         err = supplicant_create();
1654         if (err < 0)
1655                 return err;
1656
1657         driver_list = g_slist_append(driver_list, driver);
1658
1659         if (g_dbus_check_service(connection, SUPPLICANT_NAME) == TRUE)
1660                 supplicant_probe(connection, NULL);
1661         else
1662                 supplicant_activate(connection);
1663
1664         return 0;
1665 }
1666
1667 void supplicant_unregister(struct supplicant_driver *driver)
1668 {
1669         DBG("driver %p name %s", driver, driver->name);
1670
1671         supplicant_remove(connection, NULL);
1672
1673         driver_list = g_slist_remove(driver_list, driver);
1674
1675         supplicant_destroy();
1676 }