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 <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         free_task(task);
 385
 386         dbus_message_unref(reply);
 387 }
 388
 389 static int remove_interface(struct supplicant_task *task)
 390 {
 391         DBusMessage *message;
 392         DBusPendingCall *call;
 393
 394         DBG("task %p", task);
 395
 396         if (task->created == FALSE) {
 397                 connman_device_set_powered(task->device, FALSE);
 398                 return 0;
 399         }
 400
 401         message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
 402                                         SUPPLICANT_INTF, "removeInterface");
 403         if (message == NULL)
 404                 return -ENOMEM;
 405
 406         dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->path,
 407                                                         DBUS_TYPE_INVALID);
 408
 409         if (dbus_connection_send_with_reply(connection, message,
 410                                                 &call, TIMEOUT) == FALSE) {
 411                 connman_error("Failed to remove interface");
 412                 dbus_message_unref(message);
 413                 return -EIO;
 414         }
 415
 416         if (call == NULL) {
 417                 connman_error("D-Bus connection not available");
 418                 dbus_message_unref(message);
 419                 return -EIO;
 420         }
 421
 422         dbus_pending_call_set_notify(call, remove_interface_reply, task, NULL);
 423
 424         dbus_message_unref(message);
 425
 426         return -EINPROGRESS;
 427 }
 428
 429 #if 0
 430 static int set_ap_scan(struct supplicant_task *task)
 431 {
 432         DBusMessage *message, *reply;
 433         DBusError error;
 434         guint32 ap_scan = 1;
 435
 436         DBG("task %p", task);
 437
 438         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 439                                 SUPPLICANT_INTF ".Interface", "setAPScan");
 440         if (message == NULL)
 441                 return -ENOMEM;
 442
 443         dbus_message_append_args(message, DBUS_TYPE_UINT32, &ap_scan,
 444                                                         DBUS_TYPE_INVALID);
 445
 446         dbus_error_init(&error);
 447
 448         reply = dbus_connection_send_with_reply_and_block(connection,
 449                                                         message, -1, &error);
 450         if (reply == NULL) {
 451                 if (dbus_error_is_set(&error) == TRUE) {
 452                         connman_error("%s", error.message);
 453                         dbus_error_free(&error);
 454                 } else
 455                         connman_error("Failed to set AP scan");
 456                 dbus_message_unref(message);
 457                 return -EIO;
 458         }
 459
 460         dbus_message_unref(message);
 461
 462         dbus_message_unref(reply);
 463
 464         return 0;
 465 }
 466 #endif
 467
 468 static int add_network(struct supplicant_task *task)
 469 {
 470         DBusMessage *message, *reply;
 471         DBusError error;
 472         const char *path;
 473
 474         DBG("task %p", task);
 475
 476         if (task->netpath != NULL)
 477                 return -EALREADY;
 478
 479         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 480                                 SUPPLICANT_INTF ".Interface", "addNetwork");
 481         if (message == NULL)
 482                 return -ENOMEM;
 483
 484         dbus_error_init(&error);
 485
 486         reply = dbus_connection_send_with_reply_and_block(connection,
 487                                                         message, -1, &error);
 488         if (reply == NULL) {
 489                 if (dbus_error_is_set(&error) == TRUE) {
 490                         connman_error("%s", error.message);
 491                         dbus_error_free(&error);
 492                 } else
 493                         connman_error("Failed to add network");
 494                 dbus_message_unref(message);
 495                 return -EIO;
 496         }
 497
 498         dbus_message_unref(message);
 499
 500         dbus_error_init(&error);
 501
 502         if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
 503                                                 DBUS_TYPE_INVALID) == FALSE) {
 504                 if (dbus_error_is_set(&error) == TRUE) {
 505                         connman_error("%s", error.message);
 506                         dbus_error_free(&error);
 507                 } else
 508                         connman_error("Wrong arguments for network");
 509                 dbus_message_unref(reply);
 510                 return -EIO;
 511         }
 512
 513         DBG("path %s", path);
 514
 515         task->netpath = g_strdup(path);
 516
 517         dbus_message_unref(reply);
 518
 519         return 0;
 520 }
 521
 522 static int remove_network(struct supplicant_task *task)
 523 {
 524         DBusMessage *message, *reply;
 525         DBusError error;
 526
 527         DBG("task %p", task);
 528
 529         if (task->netpath == NULL)
 530                 return -EINVAL;
 531
 532         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 533                                 SUPPLICANT_INTF ".Interface", "removeNetwork");
 534         if (message == NULL)
 535                 return -ENOMEM;
 536
 537         dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->netpath,
 538                                                         DBUS_TYPE_INVALID);
 539
 540         dbus_error_init(&error);
 541
 542         reply = dbus_connection_send_with_reply_and_block(connection,
 543                                                         message, -1, &error);
 544         if (reply == NULL) {
 545                 if (dbus_error_is_set(&error) == TRUE) {
 546                         connman_error("%s", error.message);
 547                         dbus_error_free(&error);
 548                 } else
 549                         connman_error("Failed to remove network");
 550                 dbus_message_unref(message);
 551                 return -EIO;
 552         }
 553
 554         dbus_message_unref(message);
 555
 556         dbus_message_unref(reply);
 557
 558         g_free(task->netpath);
 559         task->netpath = NULL;
 560
 561         return 0;
 562 }
 563
 564 static int select_network(struct supplicant_task *task)
 565 {
 566         DBusMessage *message, *reply;
 567         DBusError error;
 568
 569         DBG("task %p", task);
 570
 571         if (task->netpath == NULL)
 572                 return -EINVAL;
 573
 574         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 575                                 SUPPLICANT_INTF ".Interface", "selectNetwork");
 576         if (message == NULL)
 577                 return -ENOMEM;
 578
 579         dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->netpath,
 580                                                         DBUS_TYPE_INVALID);
 581
 582         dbus_error_init(&error);
 583
 584         reply = dbus_connection_send_with_reply_and_block(connection,
 585                                                         message, -1, &error);
 586         if (reply == NULL) {
 587                 if (dbus_error_is_set(&error) == TRUE) {
 588                         connman_error("%s", error.message);
 589                         dbus_error_free(&error);
 590                 } else
 591                         connman_error("Failed to select network");
 592                 dbus_message_unref(message);
 593                 return -EIO;
 594         }
 595
 596         dbus_message_unref(message);
 597
 598         dbus_message_unref(reply);
 599
 600         return 0;
 601 }
 602
 603 static int enable_network(struct supplicant_task *task)
 604 {
 605         DBusMessage *message, *reply;
 606         DBusError error;
 607
 608         DBG("task %p", task);
 609
 610         if (task->netpath == NULL)
 611                 return -EINVAL;
 612
 613         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->netpath,
 614                                         SUPPLICANT_INTF ".Network", "enable");
 615         if (message == NULL)
 616                 return -ENOMEM;
 617
 618         dbus_error_init(&error);
 619
 620         reply = dbus_connection_send_with_reply_and_block(connection,
 621                                                         message, -1, &error);
 622         if (reply == NULL) {
 623                 if (dbus_error_is_set(&error) == TRUE) {
 624                         connman_error("%s", error.message);
 625                         dbus_error_free(&error);
 626                 } else
 627                         connman_error("Failed to enable network");
 628                 dbus_message_unref(message);
 629                 return -EIO;
 630         }
 631
 632         dbus_message_unref(message);
 633
 634         dbus_message_unref(reply);
 635
 636         return 0;
 637 }
 638
 639 static int disable_network(struct supplicant_task *task)
 640 {
 641         DBusMessage *message, *reply;
 642         DBusError error;
 643
 644         DBG("task %p", task);
 645
 646         if (task->netpath == NULL)
 647                 return -EINVAL;
 648
 649         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->netpath,
 650                                         SUPPLICANT_INTF ".Network", "disable");
 651         if (message == NULL)
 652                 return -ENOMEM;
 653
 654         dbus_error_init(&error);
 655
 656         reply = dbus_connection_send_with_reply_and_block(connection,
 657                                                         message, -1, &error);
 658         if (reply == NULL) {
 659                 if (dbus_error_is_set(&error) == TRUE) {
 660                         connman_error("%s", error.message);
 661                         dbus_error_free(&error);
 662                 } else
 663                         connman_error("Failed to disable network");
 664                 dbus_message_unref(message);
 665                 return -EIO;
 666         }
 667
 668         dbus_message_unref(message);
 669
 670         dbus_message_unref(reply);
 671
 672         return 0;
 673 }
 674
 675 static int set_network(struct supplicant_task *task,
 676                                 const unsigned char *network, int len,
 677                                 const char *address, const char *security,
 678                                                         const char *passphrase)
 679 {
 680         DBusMessage *message, *reply;
 681         DBusMessageIter array, dict;
 682         DBusError error;
 683
 684         DBG("task %p", task);
 685
 686         if (task->netpath == NULL)
 687                 return -EINVAL;
 688
 689         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->netpath,
 690                                         SUPPLICANT_INTF ".Network", "set");
 691         if (message == NULL)
 692                 return -ENOMEM;
 693
 694         dbus_message_iter_init_append(message, &array);
 695
 696         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 697                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 698                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 699                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 700
 701         if (address == NULL) {
 702                 dbus_uint32_t scan_ssid = 1;
 703                 connman_dbus_dict_append_variant(&dict, "scan_ssid",
 704                                                 DBUS_TYPE_UINT32, &scan_ssid);
 705         } else
 706                 connman_dbus_dict_append_variant(&dict, "bssid",
 707                                                 DBUS_TYPE_STRING, &address);
 708
 709         connman_dbus_dict_append_array(&dict, "ssid",
 710                                         DBUS_TYPE_BYTE, &network, len);
 711
 712         if (g_ascii_strcasecmp(security, "wpa") == 0 ||
 713                                 g_ascii_strcasecmp(security, "wpa2") == 0) {
 714                 const char *key_mgmt = "WPA-PSK";
 715                 connman_dbus_dict_append_variant(&dict, "key_mgmt",
 716                                                 DBUS_TYPE_STRING, &key_mgmt);
 717
 718                 if (passphrase && strlen(passphrase) > 0)
 719                         connman_dbus_dict_append_variant(&dict, "psk",
 720                                                 DBUS_TYPE_STRING, &passphrase);
 721         } else if (g_ascii_strcasecmp(security, "wep") == 0) {
 722                 const char *key_mgmt = "NONE", *index = "0";
 723                 connman_dbus_dict_append_variant(&dict, "key_mgmt",
 724                                                 DBUS_TYPE_STRING, &key_mgmt);
 725
 726                 if (passphrase) {
 727                         int size = strlen(passphrase);
 728                         if (size == 10 || size == 26) {
 729                                 unsigned char *key = malloc(13);
 730                                 char tmp[3];
 731                                 int i;
 732                                 memset(tmp, 0, sizeof(tmp));
 733                                 if (key == NULL)
 734                                         size = 0;
 735                                 for (i = 0; i < size / 2; i++) {
 736                                         memcpy(tmp, passphrase + (i * 2), 2);
 737                                         key[i] = (unsigned char) strtol(tmp,
 738                                                                 NULL, 16);
 739                                 }
 740                                 connman_dbus_dict_append_array(&dict,
 741                                                 "wep_key0", DBUS_TYPE_BYTE,
 742                                                         &key, size / 2);
 743                                 free(key);
 744                         } else
 745                                 connman_dbus_dict_append_variant(&dict,
 746                                                 "wep_key0", DBUS_TYPE_STRING,
 747                                                                 &passphrase);
 748                         connman_dbus_dict_append_variant(&dict, "wep_tx_keyidx",
 749                                                 DBUS_TYPE_STRING, &index);
 750                 }
 751         } else {
 752                 const char *key_mgmt = "NONE";
 753                 connman_dbus_dict_append_variant(&dict, "key_mgmt",
 754                                                 DBUS_TYPE_STRING, &key_mgmt);
 755         }
 756
 757         dbus_message_iter_close_container(&array, &dict);
 758
 759         dbus_error_init(&error);
 760
 761         reply = dbus_connection_send_with_reply_and_block(connection,
 762                                                         message, -1, &error);
 763         if (reply == NULL) {
 764                 if (dbus_error_is_set(&error) == TRUE) {
 765                         connman_error("%s", error.message);
 766                         dbus_error_free(&error);
 767                 } else
 768                         connman_error("Failed to set network options");
 769                 dbus_message_unref(message);
 770                 return -EIO;
 771         }
 772
 773         dbus_message_unref(message);
 774
 775         dbus_message_unref(reply);
 776
 777         return 0;
 778 }
 779
 780 static int initiate_scan(struct supplicant_task *task)
 781 {
 782         DBusMessage *message;
 783         DBusPendingCall *call;
 784
 785         DBG("task %p", task);
 786
 787         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 788                                         SUPPLICANT_INTF ".Interface", "scan");
 789         if (message == NULL)
 790                 return -ENOMEM;
 791
 792         if (dbus_connection_send_with_reply(connection, message,
 793                                                 &call, TIMEOUT) == FALSE) {
 794                 connman_error("Failed to initiate scan");
 795                 dbus_message_unref(message);
 796                 return -EIO;
 797         }
 798
 799         dbus_message_unref(message);
 800
 801         return 0;
 802 }
 803
 804 static char *build_group(const unsigned char *ssid, unsigned int ssid_len,
 805                                         const char *mode, const char *security)
 806 {
 807         GString *str;
 808         unsigned int i;
 809
 810         if (ssid_len < 1)
 811                 return NULL;
 812
 813         str = g_string_sized_new((ssid_len * 2) + 24);
 814         if (str == NULL)
 815                 return NULL;
 816
 817         for (i = 0; i < ssid_len; i++)
 818                 g_string_append_printf(str, "%02x", ssid[i]);
 819
 820         g_string_append_printf(str, "_%s_%s", mode, security);
 821
 822         return g_string_free(str, FALSE);
 823 }
 824
 825 static void extract_addr(DBusMessageIter *value,
 826                                         struct supplicant_result *result)
 827 {
 828         DBusMessageIter array;
 829         struct ether_addr *eth;
 830         unsigned char *addr;
 831         int addr_len;
 832
 833         dbus_message_iter_recurse(value, &array);
 834         dbus_message_iter_get_fixed_array(&array, &addr, &addr_len);
 835
 836         if (addr_len != 6)
 837                 return;
 838
 839         eth = (void *) addr;
 840
 841         result->addr = g_try_malloc0(18);
 842         if (result->addr == NULL)
 843                 return;
 844
 845         snprintf(result->addr, 18, "%02X:%02X:%02X:%02X:%02X:%02X",
 846                                                 eth->ether_addr_octet[0],
 847                                                 eth->ether_addr_octet[1],
 848                                                 eth->ether_addr_octet[2],
 849                                                 eth->ether_addr_octet[3],
 850                                                 eth->ether_addr_octet[4],
 851                                                 eth->ether_addr_octet[5]);
 852
 853         result->path = g_try_malloc0(18);
 854         if (result->path == NULL)
 855                 return;
 856
 857         snprintf(result->path, 18, "%02X_%02X_%02X_%02X_%02X_%02X",
 858                                                 eth->ether_addr_octet[0],
 859                                                 eth->ether_addr_octet[1],
 860                                                 eth->ether_addr_octet[2],
 861                                                 eth->ether_addr_octet[3],
 862                                                 eth->ether_addr_octet[4],
 863                                                 eth->ether_addr_octet[5]);
 864 }
 865
 866 static void extract_ssid(DBusMessageIter *value,
 867                                         struct supplicant_result *result)
 868 {
 869         DBusMessageIter array;
 870         unsigned char *ssid;
 871         int ssid_len;
 872
 873         dbus_message_iter_recurse(value, &array);
 874         dbus_message_iter_get_fixed_array(&array, &ssid, &ssid_len);
 875
 876         if (ssid_len < 1)
 877                 return;
 878
 879         if (ssid[0] == '\0')
 880                 return;
 881
 882         result->ssid = g_try_malloc(ssid_len);
 883         if (result->ssid == NULL)
 884                 return;
 885
 886         memcpy(result->ssid, ssid, ssid_len);
 887         result->ssid_len = ssid_len;
 888
 889         result->name = g_try_malloc0(ssid_len + 1);
 890         if (result->name == NULL)
 891                 return;
 892
 893         memcpy(result->name, ssid, ssid_len);
 894 }
 895
 896 static void extract_wpaie(DBusMessageIter *value,
 897                                         struct supplicant_result *result)
 898 {
 899         DBusMessageIter array;
 900         unsigned char *ie;
 901         int ie_len;
 902
 903         dbus_message_iter_recurse(value, &array);
 904         dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
 905
 906         if (ie_len > 0)
 907                 result->has_wpa = TRUE;
 908 }
 909
 910 static void extract_rsnie(DBusMessageIter *value,
 911                                         struct supplicant_result *result)
 912 {
 913         DBusMessageIter array;
 914         unsigned char *ie;
 915         int ie_len;
 916
 917         dbus_message_iter_recurse(value, &array);
 918         dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
 919
 920         if (ie_len > 0)
 921                 result->has_rsn = TRUE;
 922 }
 923
 924 static void extract_wpsie(DBusMessageIter *value,
 925                                         struct supplicant_result *result)
 926 {
 927         DBusMessageIter array;
 928         unsigned char *ie;
 929         int ie_len;
 930
 931         dbus_message_iter_recurse(value, &array);
 932         dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
 933
 934         if (ie_len > 0)
 935                 result->has_wps = TRUE;
 936 }
 937
 938 static void extract_capabilites(DBusMessageIter *value,
 939                                         struct supplicant_result *result)
 940 {
 941         dbus_message_iter_get_basic(value, &result->capabilities);
 942
 943         if (result->capabilities & IEEE80211_CAP_ESS)
 944                 result->adhoc = FALSE;
 945         else if (result->capabilities & IEEE80211_CAP_IBSS)
 946                 result->adhoc = TRUE;
 947
 948         if (result->capabilities & IEEE80211_CAP_PRIVACY)
 949                 result->has_wep = TRUE;
 950 }
 951
 952 static void get_properties(struct supplicant_task *task);
 953
 954 static void properties_reply(DBusPendingCall *call, void *user_data)
 955 {
 956         struct supplicant_task *task = user_data;
 957         struct supplicant_result result;
 958         struct connman_network *network;
 959         DBusMessage *reply;
 960         DBusMessageIter array, dict;
 961         unsigned char strength;
 962         const char *mode, *security;
 963         char *group;
 964
 965         DBG("task %p", task);
 966
 967         reply = dbus_pending_call_steal_reply(call);
 968         if (reply == NULL) {
 969                 get_properties(task);
 970                 return;
 971         }
 972
 973         if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
 974                 dbus_message_unref(reply);
 975                 get_properties(task);
 976                 return;
 977         }
 978
 979         memset(&result, 0, sizeof(result));
 980
 981         dbus_message_iter_init(reply, &array);
 982
 983         dbus_message_iter_recurse(&array, &dict);
 984
 985         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
 986                 DBusMessageIter entry, value;
 987                 const char *key;
 988
 989                 dbus_message_iter_recurse(&dict, &entry);
 990                 dbus_message_iter_get_basic(&entry, &key);
 991
 992                 dbus_message_iter_next(&entry);
 993
 994                 dbus_message_iter_recurse(&entry, &value);
 995
 996                 //type = dbus_message_iter_get_arg_type(&value);
 997                 //dbus_message_iter_get_basic(&value, &val);
 998
 999                 /*
1000                  * bssid        : a (97)
1001                  * ssid         : a (97)
1002                  * wpaie        : a (97)
1003                  * rsnie        : a (97)
1004                  * wpsie        : a (97)
1005                  * frequency    : i (105)
1006                  * capabilities : q (113)
1007                  * quality      : i (105)
1008                  * noise        : i (105)
1009                  * level        : i (105)
1010                  * maxrate      : i (105)
1011                  */
1012
1013                 if (g_str_equal(key, "bssid") == TRUE)
1014                         extract_addr(&value, &result);
1015                 else if (g_str_equal(key, "ssid") == TRUE)
1016                         extract_ssid(&value, &result);
1017                 else if (g_str_equal(key, "wpaie") == TRUE)
1018                         extract_wpaie(&value, &result);
1019                 else if (g_str_equal(key, "rsnie") == TRUE)
1020                         extract_rsnie(&value, &result);
1021                 else if (g_str_equal(key, "wpsie") == TRUE)
1022                         extract_wpsie(&value, &result);
1023                 else if (g_str_equal(key, "capabilities") == TRUE)
1024                         extract_capabilites(&value, &result);
1025                 else if (g_str_equal(key, "quality") == TRUE)
1026                         dbus_message_iter_get_basic(&value, &result.quality);
1027                 else if (g_str_equal(key, "noise") == TRUE)
1028                         dbus_message_iter_get_basic(&value, &result.noise);
1029                 else if (g_str_equal(key, "level") == TRUE)
1030                         dbus_message_iter_get_basic(&value, &result.level);
1031                 else if (g_str_equal(key, "maxrate") == TRUE)
1032                         dbus_message_iter_get_basic(&value, &result.maxrate);
1033
1034                 dbus_message_iter_next(&dict);
1035         }
1036
1037         if (result.path == NULL)
1038                 goto done;
1039
1040         if (result.path[0] == '\0')
1041                 goto done;
1042
1043         strength = result.quality;
1044
1045         if (result.has_rsn == TRUE)
1046                 security = "wpa2";
1047         else if (result.has_wpa == TRUE)
1048                 security = "wpa";
1049         else if (result.has_wep == TRUE)
1050                 security = "wep";
1051         else
1052                 security = "none";
1053
1054         mode = (result.adhoc == TRUE) ? "adhoc" : "managed";
1055
1056         group = build_group(result.ssid, result.ssid_len, mode, security);
1057
1058         network = connman_device_get_network(task->device, result.path);
1059         if (network == NULL) {
1060                 int index;
1061
1062                 network = connman_network_create(result.path,
1063                                                 CONNMAN_NETWORK_TYPE_WIFI);
1064                 if (network == NULL)
1065                         goto done;
1066
1067                 index = connman_device_get_index(task->device);
1068                 connman_network_set_index(network, index);
1069
1070                 connman_network_set_protocol(network,
1071                                                 CONNMAN_NETWORK_PROTOCOL_IP);
1072
1073                 connman_network_set_string(network, "Address", result.addr);
1074
1075                 connman_network_set_group(network, group);
1076
1077                 if (result.name != NULL && result.name[0] != '\0')
1078                         connman_network_set_string(network, "Name", result.name);
1079
1080                 connman_network_set_uint8(network, "Strength", strength);
1081
1082                 connman_network_set_string(network, "WiFi.Mode", mode);
1083                 connman_network_set_string(network, "WiFi.Security", security);
1084
1085                 if (connman_device_add_network(task->device, network) < 0) {
1086                         connman_network_unref(network);
1087                         goto done;
1088                 }
1089         }
1090
1091         connman_network_set_group(network, group);
1092
1093         g_free(group);
1094
1095         if (result.name != NULL && result.name[0] != '\0')
1096                 connman_network_set_string(network, "Name", result.name);
1097
1098         connman_network_set_blob(network, "WiFi.SSID",
1099                                                 result.ssid, result.ssid_len);
1100
1101         connman_network_set_string(network, "WiFi.Mode", mode);
1102
1103         DBG("%s (%s %s) strength %d (%s)",
1104                                 result.name, mode, security, strength,
1105                                 (result.has_wps == TRUE) ? "WPS" : "no WPS");
1106
1107         connman_network_set_available(network, TRUE);
1108         connman_network_set_uint8(network, "Strength", strength);
1109
1110         connman_network_set_string(network, "WiFi.Security", security);
1111
1112 done:
1113         g_free(result.path);
1114         g_free(result.addr);
1115         g_free(result.name);
1116         g_free(result.ssid);
1117
1118         dbus_message_unref(reply);
1119
1120         get_properties(task);
1121 }
1122
1123 static void get_properties(struct supplicant_task *task)
1124 {
1125         DBusMessage *message;
1126         DBusPendingCall *call;
1127         char *path;
1128
1129         path = g_slist_nth_data(task->scan_results, 0);
1130         if (path == NULL)
1131                 goto noscan;
1132
1133         message = dbus_message_new_method_call(SUPPLICANT_NAME, path,
1134                                                 SUPPLICANT_INTF ".BSSID",
1135                                                                 "properties");
1136
1137         task->scan_results = g_slist_remove(task->scan_results, path);
1138         g_free(path);
1139
1140         if (message == NULL)
1141                 goto noscan;
1142
1143         if (dbus_connection_send_with_reply(connection, message,
1144                                                 &call, TIMEOUT) == FALSE) {
1145                 connman_error("Failed to get network properties");
1146                 dbus_message_unref(message);
1147                 goto noscan;
1148         }
1149
1150         if (call == NULL) {
1151                 connman_error("D-Bus connection not available");
1152                 dbus_message_unref(message);
1153                 goto noscan;
1154         }
1155
1156         dbus_pending_call_set_notify(call, properties_reply, task, NULL);
1157
1158         dbus_message_unref(message);
1159
1160         return;
1161
1162 noscan:
1163         if (task->noscan == FALSE)
1164                 connman_device_set_scanning(task->device, FALSE);
1165 }
1166
1167 static void scan_results_reply(DBusPendingCall *call, void *user_data)
1168 {
1169         struct supplicant_task *task = user_data;
1170         DBusMessage *reply;
1171         DBusError error;
1172         char **results;
1173         int i, num_results;
1174
1175         DBG("task %p", task);
1176
1177         reply = dbus_pending_call_steal_reply(call);
1178         if (reply == NULL)
1179                 goto noscan;
1180
1181         if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR)
1182                 goto done;
1183
1184         dbus_error_init(&error);
1185
1186         if (dbus_message_get_args(reply, &error,
1187                                 DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH,
1188                                                 &results, &num_results,
1189                                                 DBUS_TYPE_INVALID) == FALSE) {
1190                 if (dbus_error_is_set(&error) == TRUE) {
1191                         connman_error("%s", error.message);
1192                         dbus_error_free(&error);
1193                 } else
1194                         connman_error("Wrong arguments for scan result");
1195                 goto done;
1196         }
1197
1198         if (num_results == 0)
1199                 goto done;
1200
1201         for (i = 0; i < num_results; i++) {
1202                 char *path = g_strdup(results[i]);
1203                 if (path == NULL)
1204                         continue;
1205
1206                 task->scan_results = g_slist_append(task->scan_results, path);
1207         }
1208
1209         g_strfreev(results);
1210
1211         dbus_message_unref(reply);
1212
1213         get_properties(task);
1214
1215         return;
1216
1217 done:
1218         dbus_message_unref(reply);
1219
1220 noscan:
1221         if (task->noscan == FALSE)
1222                 connman_device_set_scanning(task->device, FALSE);
1223 }
1224
1225 static void scan_results_available(struct supplicant_task *task)
1226 {
1227         DBusMessage *message;
1228         DBusPendingCall *call;
1229
1230         DBG("task %p", task);
1231
1232         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
1233                                                 SUPPLICANT_INTF ".Interface",
1234                                                         "scanResults");
1235         if (message == NULL)
1236                 return;
1237
1238         if (dbus_connection_send_with_reply(connection, message,
1239                                                 &call, TIMEOUT) == FALSE) {
1240                 connman_error("Failed to request scan result");
1241                 goto done;
1242         }
1243
1244         if (task->noscan == FALSE)
1245                 connman_device_set_scanning(task->device, TRUE);
1246
1247         if (call == NULL) {
1248                 connman_error("D-Bus connection not available");
1249                 goto done;
1250         }
1251
1252         dbus_pending_call_set_notify(call, scan_results_reply, task, NULL);
1253
1254 done:
1255         dbus_message_unref(message);
1256 }
1257
1258 static enum supplicant_state string2state(const char *state)
1259 {
1260         if (g_str_equal(state, "INACTIVE") == TRUE)
1261                 return WPA_INACTIVE;
1262         else if (g_str_equal(state, "SCANNING") == TRUE)
1263                 return WPA_SCANNING;
1264         else if (g_str_equal(state, "ASSOCIATING") == TRUE)
1265                 return WPA_ASSOCIATING;
1266         else if (g_str_equal(state, "ASSOCIATED") == TRUE)
1267                 return WPA_ASSOCIATED;
1268         else if (g_str_equal(state, "GROUP_HANDSHAKE") == TRUE)
1269                 return WPA_GROUP_HANDSHAKE;
1270         else if (g_str_equal(state, "4WAY_HANDSHAKE") == TRUE)
1271                 return WPA_4WAY_HANDSHAKE;
1272         else if (g_str_equal(state, "COMPLETED") == TRUE)
1273                 return WPA_COMPLETED;
1274         else if (g_str_equal(state, "DISCONNECTED") == TRUE)
1275                 return WPA_DISCONNECTED;
1276         else
1277                 return WPA_INVALID;
1278 }
1279
1280 static void state_change(struct supplicant_task *task, DBusMessage *msg)
1281 {
1282         DBusError error;
1283         const char *newstate, *oldstate;
1284         enum supplicant_state state;
1285
1286         dbus_error_init(&error);
1287
1288         if (dbus_message_get_args(msg, &error, DBUS_TYPE_STRING, &newstate,
1289                                                 DBUS_TYPE_STRING, &oldstate,
1290                                                 DBUS_TYPE_INVALID) == FALSE) {
1291                 if (dbus_error_is_set(&error) == TRUE) {
1292                         connman_error("%s", error.message);
1293                         dbus_error_free(&error);
1294                 } else
1295                         connman_error("Wrong arguments for state change");
1296                 return;
1297         }
1298
1299         DBG("state %s ==> %s", oldstate, newstate);
1300
1301         state = string2state(newstate);
1302         if (state == WPA_INVALID)
1303                 return;
1304
1305         task->state = state;
1306
1307         switch (task->state) {
1308         case WPA_SCANNING:
1309                 task->noscan = TRUE;
1310                 connman_device_set_scanning(task->device, TRUE);
1311                 break;
1312         case WPA_ASSOCIATING:
1313         case WPA_ASSOCIATED:
1314         case WPA_4WAY_HANDSHAKE:
1315         case WPA_GROUP_HANDSHAKE:
1316                 task->noscan = TRUE;
1317                 break;
1318         case WPA_COMPLETED:
1319         case WPA_DISCONNECTED:
1320                 task->noscan = FALSE;
1321                 break;
1322         case WPA_INACTIVE:
1323                 task->noscan = FALSE;
1324                 connman_device_set_scanning(task->device, FALSE);
1325                 break;
1326         case WPA_INVALID:
1327                 break;
1328         }
1329
1330         if (task->network == NULL)
1331                 return;
1332
1333         switch (task->state) {
1334         case WPA_COMPLETED:
1335                 /* carrier on */
1336                 connman_network_set_connected(task->network, TRUE);
1337                 connman_device_set_scanning(task->device, FALSE);
1338                 break;
1339         case WPA_DISCONNECTED:
1340                 /* carrier off */
1341                 connman_network_set_connected(task->network, FALSE);
1342                 connman_device_set_scanning(task->device, FALSE);
1343                 break;
1344         default:
1345                 break;
1346         }
1347 }
1348
1349 static DBusHandlerResult supplicant_filter(DBusConnection *conn,
1350                                                 DBusMessage *msg, void *data)
1351 {
1352         struct supplicant_task *task;
1353         const char *member, *path;
1354
1355         if (dbus_message_has_interface(msg,
1356                                 SUPPLICANT_INTF ".Interface") == FALSE)
1357                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1358
1359         member = dbus_message_get_member(msg);
1360         if (member == NULL)
1361                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1362
1363         path = dbus_message_get_path(msg);
1364         if (path == NULL)
1365                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1366
1367         task = find_task_by_path(path);
1368         if (task == NULL)
1369                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1370
1371         DBG("task %p member %s", task, member);
1372
1373         if (g_str_equal(member, "ScanResultsAvailable") == TRUE)
1374                 scan_results_available(task);
1375         else if (g_str_equal(member, "StateChange") == TRUE)
1376                 state_change(task, msg);
1377
1378         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1379 }
1380
1381 int supplicant_start(struct connman_device *device)
1382 {
1383         struct supplicant_task *task;
1384
1385         DBG("device %p", device);
1386
1387         task = g_try_new0(struct supplicant_task, 1);
1388         if (task == NULL)
1389                 return -ENOMEM;
1390
1391         task->ifindex = connman_device_get_index(device);
1392         task->ifname = inet_index2name(task->ifindex);
1393
1394         if (task->ifname == NULL) {
1395                 g_free(task);
1396                 return -ENOMEM;
1397         }
1398
1399         task->device = connman_device_ref(device);
1400
1401         task->created = FALSE;
1402         task->noscan = FALSE;
1403         task->state = WPA_INVALID;
1404
1405         task_list = g_slist_append(task_list, task);
1406
1407         return create_interface(task);
1408 }
1409
1410 int supplicant_stop(struct connman_device *device)
1411 {
1412         int index = connman_device_get_index(device);
1413         struct supplicant_task *task;
1414
1415         DBG("device %p", device);
1416
1417         task = find_task_by_index(index);
1418         if (task == NULL)
1419                 return -ENODEV;
1420
1421         task_list = g_slist_remove(task_list, task);
1422
1423         disable_network(task);
1424
1425         remove_network(task);
1426
1427         return remove_interface(task);
1428 }
1429
1430 int supplicant_scan(struct connman_device *device)
1431 {
1432         int index = connman_device_get_index(device);
1433         struct supplicant_task *task;
1434         int err;
1435
1436         DBG("device %p", device);
1437
1438         task = find_task_by_index(index);
1439         if (task == NULL)
1440                 return -ENODEV;
1441
1442         switch (task->state) {
1443         case WPA_SCANNING:
1444                 return -EALREADY;
1445         case WPA_ASSOCIATING:
1446         case WPA_ASSOCIATED:
1447         case WPA_4WAY_HANDSHAKE:
1448         case WPA_GROUP_HANDSHAKE:
1449                 return -EBUSY;
1450         default:
1451                 break;
1452         }
1453
1454         err = initiate_scan(task);
1455
1456         return 0;
1457 }
1458
1459 int supplicant_connect(struct connman_network *network)
1460 {
1461         struct supplicant_task *task;
1462         const char *address, *security, *passphrase;
1463         const void *ssid;
1464         unsigned int ssid_len;
1465         int index;
1466
1467         DBG("network %p", network);
1468
1469         address = connman_network_get_string(network, "Address");
1470         security = connman_network_get_string(network, "WiFi.Security");
1471         passphrase = connman_network_get_string(network, "WiFi.Passphrase");
1472
1473         ssid = connman_network_get_blob(network, "WiFi.SSID", &ssid_len);
1474
1475         DBG("address %s security %s passphrase %s",
1476                                         address, security, passphrase);
1477
1478         if (security == NULL && passphrase == NULL)
1479                 return -EINVAL;
1480
1481         if (g_str_equal(security, "none") == FALSE && passphrase == NULL)
1482                 return -EINVAL;
1483
1484         index = connman_network_get_index(network);
1485
1486         task = find_task_by_index(index);
1487         if (task == NULL)
1488                 return -ENODEV;
1489
1490         task->network = connman_network_ref(network);
1491
1492         add_network(task);
1493
1494         select_network(task);
1495         disable_network(task);
1496
1497         set_network(task, ssid, ssid_len, address, security, passphrase);
1498
1499         enable_network(task);
1500
1501         return 0;
1502 }
1503
1504 int supplicant_disconnect(struct connman_network *network)
1505 {
1506         struct supplicant_task *task;
1507         int index;
1508
1509         DBG("network %p", network);
1510
1511         index = connman_network_get_index(network);
1512
1513         task = find_task_by_index(index);
1514         if (task == NULL)
1515                 return -ENODEV;
1516
1517         disable_network(task);
1518
1519         remove_network(task);
1520
1521         connman_network_set_connected(task->network, FALSE);
1522
1523         connman_network_unref(task->network);
1524
1525         return 0;
1526 }
1527
1528 static void supplicant_activate(DBusConnection *conn)
1529 {
1530         DBusMessage *message;
1531
1532         DBG("conn %p", conn);
1533
1534         message = dbus_message_new_method_call(SUPPLICANT_NAME, "/",
1535                                 DBUS_INTERFACE_INTROSPECTABLE, "Introspect");
1536         if (message == NULL)
1537                 return;
1538
1539         dbus_message_set_no_reply(message, TRUE);
1540
1541         dbus_connection_send(conn, message, NULL);
1542
1543         dbus_message_unref(message);
1544 }
1545
1546 static GSList *driver_list = NULL;
1547
1548 static void supplicant_probe(DBusConnection *conn, void *user_data)
1549 {
1550         GSList *list;
1551
1552         DBG("conn %p", conn);
1553
1554         for (list = driver_list; list; list = list->next) {
1555                 struct supplicant_driver *driver = list->data;
1556
1557                 DBG("driver %p name %s", driver, driver->name);
1558
1559                 if (driver->probe)
1560                         driver->probe();
1561         }
1562 }
1563
1564 static void supplicant_remove(DBusConnection *conn, void *user_data)
1565 {
1566         GSList *list;
1567
1568         DBG("conn %p", conn);
1569
1570         for (list = driver_list; list; list = list->next) {
1571                 struct supplicant_driver *driver = list->data;
1572
1573                 DBG("driver %p name %s", driver, driver->name);
1574
1575                 if (driver->remove)
1576                         driver->remove();
1577         }
1578 }
1579
1580 static const char *supplicant_rule = "type=signal,"
1581                                 "interface=" SUPPLICANT_INTF ".Interface";
1582 static guint watch;
1583
1584 static int supplicant_create(void)
1585 {
1586         if (g_slist_length(driver_list) > 0)
1587                 return 0;
1588
1589         connection = connman_dbus_get_connection();
1590         if (connection == NULL)
1591                 return -EIO;
1592
1593         DBG("connection %p", connection);
1594
1595         if (dbus_connection_add_filter(connection,
1596                                 supplicant_filter, NULL, NULL) == FALSE) {
1597                 connection = connman_dbus_get_connection();
1598                 return -EIO;
1599         }
1600
1601         dbus_bus_add_match(connection, supplicant_rule, NULL);
1602         dbus_connection_flush(connection);
1603
1604         watch = g_dbus_add_service_watch(connection, SUPPLICANT_NAME,
1605                         supplicant_probe, supplicant_remove, NULL, NULL);
1606
1607         return 0;
1608 }
1609
1610 static void supplicant_destroy(void)
1611 {
1612         if (g_slist_length(driver_list) > 0)
1613                 return;
1614
1615         DBG("connection %p", connection);
1616
1617         if (watch > 0)
1618                 g_dbus_remove_watch(connection, watch);
1619
1620         dbus_bus_remove_match(connection, supplicant_rule, NULL);
1621         dbus_connection_flush(connection);
1622
1623         dbus_connection_remove_filter(connection, supplicant_filter, NULL);
1624
1625         dbus_connection_unref(connection);
1626         connection = NULL;
1627 }
1628
1629 int supplicant_register(struct supplicant_driver *driver)
1630 {
1631         int err;
1632
1633         DBG("driver %p name %s", driver, driver->name);
1634
1635         err = supplicant_create();
1636         if (err < 0)
1637                 return err;
1638
1639         driver_list = g_slist_append(driver_list, driver);
1640
1641         if (g_dbus_check_service(connection, SUPPLICANT_NAME) == TRUE)
1642                 supplicant_probe(connection, NULL);
1643         else
1644                 supplicant_activate(connection);
1645
1646         return 0;
1647 }
1648
1649 void supplicant_unregister(struct supplicant_driver *driver)
1650 {
1651         DBG("driver %p name %s", driver, driver->name);
1652
1653         supplicant_remove(connection, NULL);
1654
1655         driver_list = g_slist_remove(driver_list, driver);
1656
1657         supplicant_destroy();
1658 }