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         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 unsigned char *ssid, unsigned int ssid_len,
 807                                         const char *mode, const char *security)
 808 {
 809         GString *str;
 810         unsigned int i;
 811
 812         if (ssid_len < 1)
 813                 return NULL;
 814
 815         str = g_string_sized_new((ssid_len * 2) + 24);
 816         if (str == NULL)
 817                 return NULL;
 818
 819         for (i = 0; i < ssid_len; i++)
 820                 g_string_append_printf(str, "%02x", ssid[i]);
 821
 822         g_string_append_printf(str, "_%s_%s", mode, security);
 823
 824         return g_string_free(str, FALSE);
 825 }
 826
 827 static void extract_addr(DBusMessageIter *value,
 828                                         struct supplicant_result *result)
 829 {
 830         DBusMessageIter array;
 831         struct ether_addr *eth;
 832         unsigned char *addr;
 833         int addr_len;
 834
 835         dbus_message_iter_recurse(value, &array);
 836         dbus_message_iter_get_fixed_array(&array, &addr, &addr_len);
 837
 838         if (addr_len != 6)
 839                 return;
 840
 841         eth = (void *) addr;
 842
 843         result->addr = g_try_malloc0(18);
 844         if (result->addr == NULL)
 845                 return;
 846
 847         snprintf(result->addr, 18, "%02X:%02X:%02X:%02X:%02X:%02X",
 848                                                 eth->ether_addr_octet[0],
 849                                                 eth->ether_addr_octet[1],
 850                                                 eth->ether_addr_octet[2],
 851                                                 eth->ether_addr_octet[3],
 852                                                 eth->ether_addr_octet[4],
 853                                                 eth->ether_addr_octet[5]);
 854
 855         result->path = g_try_malloc0(18);
 856         if (result->path == NULL)
 857                 return;
 858
 859         snprintf(result->path, 18, "%02X_%02X_%02X_%02X_%02X_%02X",
 860                                                 eth->ether_addr_octet[0],
 861                                                 eth->ether_addr_octet[1],
 862                                                 eth->ether_addr_octet[2],
 863                                                 eth->ether_addr_octet[3],
 864                                                 eth->ether_addr_octet[4],
 865                                                 eth->ether_addr_octet[5]);
 866 }
 867
 868 static void extract_ssid(DBusMessageIter *value,
 869                                         struct supplicant_result *result)
 870 {
 871         DBusMessageIter array;
 872         unsigned char *ssid;
 873         int ssid_len;
 874
 875         dbus_message_iter_recurse(value, &array);
 876         dbus_message_iter_get_fixed_array(&array, &ssid, &ssid_len);
 877
 878         if (ssid_len < 1)
 879                 return;
 880
 881         if (ssid[0] == '\0')
 882                 return;
 883
 884         result->ssid = g_try_malloc(ssid_len);
 885         if (result->ssid == NULL)
 886                 return;
 887
 888         memcpy(result->ssid, ssid, ssid_len);
 889         result->ssid_len = ssid_len;
 890
 891         result->name = g_try_malloc0(ssid_len + 1);
 892         if (result->name == NULL)
 893                 return;
 894
 895         memcpy(result->name, ssid, ssid_len);
 896 }
 897
 898 static void extract_wpaie(DBusMessageIter *value,
 899                                         struct supplicant_result *result)
 900 {
 901         DBusMessageIter array;
 902         unsigned char *ie;
 903         int ie_len;
 904
 905         dbus_message_iter_recurse(value, &array);
 906         dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
 907
 908         if (ie_len > 0)
 909                 result->has_wpa = TRUE;
 910 }
 911
 912 static void extract_rsnie(DBusMessageIter *value,
 913                                         struct supplicant_result *result)
 914 {
 915         DBusMessageIter array;
 916         unsigned char *ie;
 917         int ie_len;
 918
 919         dbus_message_iter_recurse(value, &array);
 920         dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
 921
 922         if (ie_len > 0)
 923                 result->has_rsn = TRUE;
 924 }
 925
 926 static void extract_wpsie(DBusMessageIter *value,
 927                                         struct supplicant_result *result)
 928 {
 929         DBusMessageIter array;
 930         unsigned char *ie;
 931         int ie_len;
 932
 933         dbus_message_iter_recurse(value, &array);
 934         dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
 935
 936         if (ie_len > 0)
 937                 result->has_wps = TRUE;
 938 }
 939
 940 static void extract_capabilites(DBusMessageIter *value,
 941                                         struct supplicant_result *result)
 942 {
 943         dbus_message_iter_get_basic(value, &result->capabilities);
 944
 945         if (result->capabilities & IEEE80211_CAP_ESS)
 946                 result->adhoc = FALSE;
 947         else if (result->capabilities & IEEE80211_CAP_IBSS)
 948                 result->adhoc = TRUE;
 949
 950         if (result->capabilities & IEEE80211_CAP_PRIVACY)
 951                 result->has_wep = TRUE;
 952 }
 953
 954 static void get_properties(struct supplicant_task *task);
 955
 956 static void properties_reply(DBusPendingCall *call, void *user_data)
 957 {
 958         struct supplicant_task *task = user_data;
 959         struct supplicant_result result;
 960         struct connman_network *network;
 961         DBusMessage *reply;
 962         DBusMessageIter array, dict;
 963         unsigned char strength;
 964         const char *mode, *security;
 965         char *group;
 966
 967         DBG("task %p", task);
 968
 969         reply = dbus_pending_call_steal_reply(call);
 970         if (reply == NULL) {
 971                 get_properties(task);
 972                 return;
 973         }
 974
 975         if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
 976                 dbus_message_unref(reply);
 977                 get_properties(task);
 978                 return;
 979         }
 980
 981         memset(&result, 0, sizeof(result));
 982
 983         dbus_message_iter_init(reply, &array);
 984
 985         dbus_message_iter_recurse(&array, &dict);
 986
 987         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
 988                 DBusMessageIter entry, value;
 989                 const char *key;
 990
 991                 dbus_message_iter_recurse(&dict, &entry);
 992                 dbus_message_iter_get_basic(&entry, &key);
 993
 994                 dbus_message_iter_next(&entry);
 995
 996                 dbus_message_iter_recurse(&entry, &value);
 997
 998                 //type = dbus_message_iter_get_arg_type(&value);
 999                 //dbus_message_iter_get_basic(&value, &val);
1000
1001                 /*
1002                  * bssid        : a (97)
1003                  * ssid         : a (97)
1004                  * wpaie        : a (97)
1005                  * rsnie        : a (97)
1006                  * wpsie        : a (97)
1007                  * frequency    : i (105)
1008                  * capabilities : q (113)
1009                  * quality      : i (105)
1010                  * noise        : i (105)
1011                  * level        : i (105)
1012                  * maxrate      : i (105)
1013                  */
1014
1015                 if (g_str_equal(key, "bssid") == TRUE)
1016                         extract_addr(&value, &result);
1017                 else if (g_str_equal(key, "ssid") == TRUE)
1018                         extract_ssid(&value, &result);
1019                 else if (g_str_equal(key, "wpaie") == TRUE)
1020                         extract_wpaie(&value, &result);
1021                 else if (g_str_equal(key, "rsnie") == TRUE)
1022                         extract_rsnie(&value, &result);
1023                 else if (g_str_equal(key, "wpsie") == TRUE)
1024                         extract_wpsie(&value, &result);
1025                 else if (g_str_equal(key, "capabilities") == TRUE)
1026                         extract_capabilites(&value, &result);
1027                 else if (g_str_equal(key, "quality") == TRUE)
1028                         dbus_message_iter_get_basic(&value, &result.quality);
1029                 else if (g_str_equal(key, "noise") == TRUE)
1030                         dbus_message_iter_get_basic(&value, &result.noise);
1031                 else if (g_str_equal(key, "level") == TRUE)
1032                         dbus_message_iter_get_basic(&value, &result.level);
1033                 else if (g_str_equal(key, "maxrate") == TRUE)
1034                         dbus_message_iter_get_basic(&value, &result.maxrate);
1035
1036                 dbus_message_iter_next(&dict);
1037         }
1038
1039         if (result.path == NULL)
1040                 goto done;
1041
1042         if (result.path[0] == '\0')
1043                 goto done;
1044
1045         strength = result.quality;
1046
1047         if (result.has_rsn == TRUE)
1048                 security = "wpa2";
1049         else if (result.has_wpa == TRUE)
1050                 security = "wpa";
1051         else if (result.has_wep == TRUE)
1052                 security = "wep";
1053         else
1054                 security = "none";
1055
1056         mode = (result.adhoc == TRUE) ? "adhoc" : "managed";
1057
1058         group = build_group(result.ssid, result.ssid_len, mode, security);
1059
1060         network = connman_device_get_network(task->device, result.path);
1061         if (network == NULL) {
1062                 int index;
1063
1064                 network = connman_network_create(result.path,
1065                                                 CONNMAN_NETWORK_TYPE_WIFI);
1066                 if (network == NULL)
1067                         goto done;
1068
1069                 index = connman_device_get_index(task->device);
1070                 connman_network_set_index(network, index);
1071
1072                 connman_network_set_protocol(network,
1073                                                 CONNMAN_NETWORK_PROTOCOL_IP);
1074
1075                 connman_network_set_string(network, "Address", result.addr);
1076
1077                 connman_network_set_group(network, group);
1078
1079                 if (result.name != NULL && result.name[0] != '\0')
1080                         connman_network_set_string(network, "Name", result.name);
1081
1082                 connman_network_set_uint8(network, "Strength", strength);
1083
1084                 connman_network_set_string(network, "WiFi.Mode", mode);
1085                 connman_network_set_string(network, "WiFi.Security", security);
1086
1087                 if (connman_device_add_network(task->device, network) < 0) {
1088                         connman_network_unref(network);
1089                         goto done;
1090                 }
1091         }
1092
1093         connman_network_set_group(network, group);
1094
1095         g_free(group);
1096
1097         if (result.name != NULL && result.name[0] != '\0')
1098                 connman_network_set_string(network, "Name", result.name);
1099
1100         connman_network_set_blob(network, "WiFi.SSID",
1101                                                 result.ssid, result.ssid_len);
1102
1103         connman_network_set_string(network, "WiFi.Mode", mode);
1104
1105         DBG("%s (%s %s) strength %d (%s)",
1106                                 result.name, mode, security, strength,
1107                                 (result.has_wps == TRUE) ? "WPS" : "no WPS");
1108
1109         connman_network_set_available(network, TRUE);
1110         connman_network_set_uint8(network, "Strength", strength);
1111
1112         connman_network_set_string(network, "WiFi.Security", security);
1113
1114 done:
1115         g_free(result.path);
1116         g_free(result.addr);
1117         g_free(result.name);
1118         g_free(result.ssid);
1119
1120         dbus_message_unref(reply);
1121
1122         get_properties(task);
1123 }
1124
1125 static void get_properties(struct supplicant_task *task)
1126 {
1127         DBusMessage *message;
1128         DBusPendingCall *call;
1129         char *path;
1130
1131         path = g_slist_nth_data(task->scan_results, 0);
1132         if (path == NULL)
1133                 goto noscan;
1134
1135         message = dbus_message_new_method_call(SUPPLICANT_NAME, path,
1136                                                 SUPPLICANT_INTF ".BSSID",
1137                                                                 "properties");
1138
1139         task->scan_results = g_slist_remove(task->scan_results, path);
1140         g_free(path);
1141
1142         if (message == NULL)
1143                 goto noscan;
1144
1145         if (dbus_connection_send_with_reply(connection, message,
1146                                                 &call, TIMEOUT) == FALSE) {
1147                 connman_error("Failed to get network properties");
1148                 dbus_message_unref(message);
1149                 goto noscan;
1150         }
1151
1152         if (call == NULL) {
1153                 connman_error("D-Bus connection not available");
1154                 dbus_message_unref(message);
1155                 goto noscan;
1156         }
1157
1158         dbus_pending_call_set_notify(call, properties_reply, task, NULL);
1159
1160         dbus_message_unref(message);
1161
1162         return;
1163
1164 noscan:
1165         if (task->noscan == FALSE)
1166                 connman_device_set_scanning(task->device, FALSE);
1167 }
1168
1169 static void scan_results_reply(DBusPendingCall *call, void *user_data)
1170 {
1171         struct supplicant_task *task = user_data;
1172         DBusMessage *reply;
1173         DBusError error;
1174         char **results;
1175         int i, num_results;
1176
1177         DBG("task %p", task);
1178
1179         reply = dbus_pending_call_steal_reply(call);
1180         if (reply == NULL)
1181                 goto noscan;
1182
1183         if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR)
1184                 goto done;
1185
1186         dbus_error_init(&error);
1187
1188         if (dbus_message_get_args(reply, &error,
1189                                 DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH,
1190                                                 &results, &num_results,
1191                                                 DBUS_TYPE_INVALID) == FALSE) {
1192                 if (dbus_error_is_set(&error) == TRUE) {
1193                         connman_error("%s", error.message);
1194                         dbus_error_free(&error);
1195                 } else
1196                         connman_error("Wrong arguments for scan result");
1197                 goto done;
1198         }
1199
1200         if (num_results == 0)
1201                 goto done;
1202
1203         for (i = 0; i < num_results; i++) {
1204                 char *path = g_strdup(results[i]);
1205                 if (path == NULL)
1206                         continue;
1207
1208                 task->scan_results = g_slist_append(task->scan_results, path);
1209         }
1210
1211         g_strfreev(results);
1212
1213         dbus_message_unref(reply);
1214
1215         get_properties(task);
1216
1217         return;
1218
1219 done:
1220         dbus_message_unref(reply);
1221
1222 noscan:
1223         if (task->noscan == FALSE)
1224                 connman_device_set_scanning(task->device, FALSE);
1225 }
1226
1227 static void scan_results_available(struct supplicant_task *task)
1228 {
1229         DBusMessage *message;
1230         DBusPendingCall *call;
1231
1232         DBG("task %p", task);
1233
1234         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
1235                                                 SUPPLICANT_INTF ".Interface",
1236                                                         "scanResults");
1237         if (message == NULL)
1238                 return;
1239
1240         if (dbus_connection_send_with_reply(connection, message,
1241                                                 &call, TIMEOUT) == FALSE) {
1242                 connman_error("Failed to request scan result");
1243                 goto done;
1244         }
1245
1246         if (task->noscan == FALSE)
1247                 connman_device_set_scanning(task->device, TRUE);
1248
1249         if (call == NULL) {
1250                 connman_error("D-Bus connection not available");
1251                 goto done;
1252         }
1253
1254         dbus_pending_call_set_notify(call, scan_results_reply, task, NULL);
1255
1256 done:
1257         dbus_message_unref(message);
1258 }
1259
1260 static enum supplicant_state string2state(const char *state)
1261 {
1262         if (g_str_equal(state, "INACTIVE") == TRUE)
1263                 return WPA_INACTIVE;
1264         else if (g_str_equal(state, "SCANNING") == TRUE)
1265                 return WPA_SCANNING;
1266         else if (g_str_equal(state, "ASSOCIATING") == TRUE)
1267                 return WPA_ASSOCIATING;
1268         else if (g_str_equal(state, "ASSOCIATED") == TRUE)
1269                 return WPA_ASSOCIATED;
1270         else if (g_str_equal(state, "GROUP_HANDSHAKE") == TRUE)
1271                 return WPA_GROUP_HANDSHAKE;
1272         else if (g_str_equal(state, "4WAY_HANDSHAKE") == TRUE)
1273                 return WPA_4WAY_HANDSHAKE;
1274         else if (g_str_equal(state, "COMPLETED") == TRUE)
1275                 return WPA_COMPLETED;
1276         else if (g_str_equal(state, "DISCONNECTED") == TRUE)
1277                 return WPA_DISCONNECTED;
1278         else
1279                 return WPA_INVALID;
1280 }
1281
1282 static void state_change(struct supplicant_task *task, DBusMessage *msg)
1283 {
1284         DBusError error;
1285         const char *newstate, *oldstate;
1286         enum supplicant_state state;
1287
1288         dbus_error_init(&error);
1289
1290         if (dbus_message_get_args(msg, &error, DBUS_TYPE_STRING, &newstate,
1291                                                 DBUS_TYPE_STRING, &oldstate,
1292                                                 DBUS_TYPE_INVALID) == FALSE) {
1293                 if (dbus_error_is_set(&error) == TRUE) {
1294                         connman_error("%s", error.message);
1295                         dbus_error_free(&error);
1296                 } else
1297                         connman_error("Wrong arguments for state change");
1298                 return;
1299         }
1300
1301         DBG("state %s ==> %s", oldstate, newstate);
1302
1303         state = string2state(newstate);
1304         if (state == WPA_INVALID)
1305                 return;
1306
1307         task->state = state;
1308
1309         switch (task->state) {
1310         case WPA_SCANNING:
1311                 task->noscan = TRUE;
1312                 connman_device_set_scanning(task->device, TRUE);
1313                 break;
1314         case WPA_ASSOCIATING:
1315         case WPA_ASSOCIATED:
1316         case WPA_4WAY_HANDSHAKE:
1317         case WPA_GROUP_HANDSHAKE:
1318                 task->noscan = TRUE;
1319                 break;
1320         case WPA_COMPLETED:
1321         case WPA_DISCONNECTED:
1322                 task->noscan = FALSE;
1323                 break;
1324         case WPA_INACTIVE:
1325                 task->noscan = FALSE;
1326                 connman_device_set_scanning(task->device, FALSE);
1327                 break;
1328         case WPA_INVALID:
1329                 break;
1330         }
1331
1332         if (task->network == NULL)
1333                 return;
1334
1335         switch (task->state) {
1336         case WPA_COMPLETED:
1337                 /* carrier on */
1338                 connman_network_set_connected(task->network, TRUE);
1339                 connman_device_set_scanning(task->device, FALSE);
1340                 break;
1341         case WPA_DISCONNECTED:
1342                 /* carrier off */
1343                 connman_network_set_connected(task->network, FALSE);
1344                 connman_device_set_scanning(task->device, FALSE);
1345                 break;
1346         case WPA_ASSOCIATING:
1347                 connman_network_set_associating(task->network, TRUE);
1348                 break;
1349         default:
1350                 connman_network_set_associating(task->network, FALSE);
1351                 break;
1352         }
1353 }
1354
1355 static DBusHandlerResult supplicant_filter(DBusConnection *conn,
1356                                                 DBusMessage *msg, void *data)
1357 {
1358         struct supplicant_task *task;
1359         const char *member, *path;
1360
1361         if (dbus_message_has_interface(msg,
1362                                 SUPPLICANT_INTF ".Interface") == FALSE)
1363                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1364
1365         member = dbus_message_get_member(msg);
1366         if (member == NULL)
1367                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1368
1369         path = dbus_message_get_path(msg);
1370         if (path == NULL)
1371                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1372
1373         task = find_task_by_path(path);
1374         if (task == NULL)
1375                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1376
1377         DBG("task %p member %s", task, member);
1378
1379         if (g_str_equal(member, "ScanResultsAvailable") == TRUE)
1380                 scan_results_available(task);
1381         else if (g_str_equal(member, "StateChange") == TRUE)
1382                 state_change(task, msg);
1383
1384         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1385 }
1386
1387 int supplicant_start(struct connman_device *device)
1388 {
1389         struct supplicant_task *task;
1390
1391         DBG("device %p", device);
1392
1393         task = g_try_new0(struct supplicant_task, 1);
1394         if (task == NULL)
1395                 return -ENOMEM;
1396
1397         task->ifindex = connman_device_get_index(device);
1398         task->ifname = inet_index2name(task->ifindex);
1399
1400         if (task->ifname == NULL) {
1401                 g_free(task);
1402                 return -ENOMEM;
1403         }
1404
1405         task->device = connman_device_ref(device);
1406
1407         task->created = FALSE;
1408         task->noscan = FALSE;
1409         task->state = WPA_INVALID;
1410
1411         task_list = g_slist_append(task_list, task);
1412
1413         return create_interface(task);
1414 }
1415
1416 int supplicant_stop(struct connman_device *device)
1417 {
1418         int index = connman_device_get_index(device);
1419         struct supplicant_task *task;
1420
1421         DBG("device %p", device);
1422
1423         task = find_task_by_index(index);
1424         if (task == NULL)
1425                 return -ENODEV;
1426
1427         task_list = g_slist_remove(task_list, task);
1428
1429         disable_network(task);
1430
1431         remove_network(task);
1432
1433         return remove_interface(task);
1434 }
1435
1436 int supplicant_scan(struct connman_device *device)
1437 {
1438         int index = connman_device_get_index(device);
1439         struct supplicant_task *task;
1440         int err;
1441
1442         DBG("device %p", device);
1443
1444         task = find_task_by_index(index);
1445         if (task == NULL)
1446                 return -ENODEV;
1447
1448         switch (task->state) {
1449         case WPA_SCANNING:
1450                 return -EALREADY;
1451         case WPA_ASSOCIATING:
1452         case WPA_ASSOCIATED:
1453         case WPA_4WAY_HANDSHAKE:
1454         case WPA_GROUP_HANDSHAKE:
1455                 return -EBUSY;
1456         default:
1457                 break;
1458         }
1459
1460         err = initiate_scan(task);
1461
1462         return 0;
1463 }
1464
1465 int supplicant_connect(struct connman_network *network)
1466 {
1467         struct supplicant_task *task;
1468         const char *address, *security, *passphrase;
1469         const void *ssid;
1470         unsigned int ssid_len;
1471         int index;
1472
1473         DBG("network %p", network);
1474
1475         address = connman_network_get_string(network, "Address");
1476         security = connman_network_get_string(network, "WiFi.Security");
1477         passphrase = connman_network_get_string(network, "WiFi.Passphrase");
1478
1479         ssid = connman_network_get_blob(network, "WiFi.SSID", &ssid_len);
1480
1481         DBG("address %s security %s passphrase %s",
1482                                         address, security, passphrase);
1483
1484         if (security == NULL && passphrase == NULL)
1485                 return -EINVAL;
1486
1487         if (g_str_equal(security, "none") == FALSE && passphrase == NULL)
1488                 return -EINVAL;
1489
1490         index = connman_network_get_index(network);
1491
1492         task = find_task_by_index(index);
1493         if (task == NULL)
1494                 return -ENODEV;
1495
1496         task->network = connman_network_ref(network);
1497
1498         add_network(task);
1499
1500         select_network(task);
1501         disable_network(task);
1502
1503         set_network(task, ssid, ssid_len, address, security, passphrase);
1504
1505         enable_network(task);
1506
1507         connman_network_set_associating(task->network, TRUE);
1508
1509         return 0;
1510 }
1511
1512 int supplicant_disconnect(struct connman_network *network)
1513 {
1514         struct supplicant_task *task;
1515         int index;
1516
1517         DBG("network %p", network);
1518
1519         index = connman_network_get_index(network);
1520
1521         task = find_task_by_index(index);
1522         if (task == NULL)
1523                 return -ENODEV;
1524
1525         disable_network(task);
1526
1527         remove_network(task);
1528
1529         connman_network_set_connected(task->network, FALSE);
1530
1531         connman_network_unref(task->network);
1532
1533         return 0;
1534 }
1535
1536 static void supplicant_activate(DBusConnection *conn)
1537 {
1538         DBusMessage *message;
1539
1540         DBG("conn %p", conn);
1541
1542         message = dbus_message_new_method_call(SUPPLICANT_NAME, "/",
1543                                 DBUS_INTERFACE_INTROSPECTABLE, "Introspect");
1544         if (message == NULL)
1545                 return;
1546
1547         dbus_message_set_no_reply(message, TRUE);
1548
1549         dbus_connection_send(conn, message, NULL);
1550
1551         dbus_message_unref(message);
1552 }
1553
1554 static GSList *driver_list = NULL;
1555
1556 static void supplicant_probe(DBusConnection *conn, void *user_data)
1557 {
1558         GSList *list;
1559
1560         DBG("conn %p", conn);
1561
1562         for (list = driver_list; list; list = list->next) {
1563                 struct supplicant_driver *driver = list->data;
1564
1565                 DBG("driver %p name %s", driver, driver->name);
1566
1567                 if (driver->probe)
1568                         driver->probe();
1569         }
1570 }
1571
1572 static void supplicant_remove(DBusConnection *conn, void *user_data)
1573 {
1574         GSList *list;
1575
1576         DBG("conn %p", conn);
1577
1578         for (list = driver_list; list; list = list->next) {
1579                 struct supplicant_driver *driver = list->data;
1580
1581                 DBG("driver %p name %s", driver, driver->name);
1582
1583                 if (driver->remove)
1584                         driver->remove();
1585         }
1586 }
1587
1588 static const char *supplicant_rule = "type=signal,"
1589                                 "interface=" SUPPLICANT_INTF ".Interface";
1590 static guint watch;
1591
1592 static int supplicant_create(void)
1593 {
1594         if (g_slist_length(driver_list) > 0)
1595                 return 0;
1596
1597         connection = connman_dbus_get_connection();
1598         if (connection == NULL)
1599                 return -EIO;
1600
1601         DBG("connection %p", connection);
1602
1603         if (dbus_connection_add_filter(connection,
1604                                 supplicant_filter, NULL, NULL) == FALSE) {
1605                 connection = connman_dbus_get_connection();
1606                 return -EIO;
1607         }
1608
1609         dbus_bus_add_match(connection, supplicant_rule, NULL);
1610         dbus_connection_flush(connection);
1611
1612         watch = g_dbus_add_service_watch(connection, SUPPLICANT_NAME,
1613                         supplicant_probe, supplicant_remove, NULL, NULL);
1614
1615         return 0;
1616 }
1617
1618 static void supplicant_destroy(void)
1619 {
1620         if (g_slist_length(driver_list) > 0)
1621                 return;
1622
1623         DBG("connection %p", connection);
1624
1625         if (watch > 0)
1626                 g_dbus_remove_watch(connection, watch);
1627
1628         dbus_bus_remove_match(connection, supplicant_rule, NULL);
1629         dbus_connection_flush(connection);
1630
1631         dbus_connection_remove_filter(connection, supplicant_filter, NULL);
1632
1633         dbus_connection_unref(connection);
1634         connection = NULL;
1635 }
1636
1637 int supplicant_register(struct supplicant_driver *driver)
1638 {
1639         int err;
1640
1641         DBG("driver %p name %s", driver, driver->name);
1642
1643         err = supplicant_create();
1644         if (err < 0)
1645                 return err;
1646
1647         driver_list = g_slist_append(driver_list, driver);
1648
1649         if (g_dbus_check_service(connection, SUPPLICANT_NAME) == TRUE)
1650                 supplicant_probe(connection, NULL);
1651         else
1652                 supplicant_activate(connection);
1653
1654         return 0;
1655 }
1656
1657 void supplicant_unregister(struct supplicant_driver *driver)
1658 {
1659         DBG("driver %p name %s", driver, driver->name);
1660
1661         supplicant_remove(connection, NULL);
1662
1663         driver_list = g_slist_remove(driver_list, driver);
1664
1665         supplicant_destroy();
1666 }