vcs.maemo.org Git - connman/blob - plugins/supplicant.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2009  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <errno.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29
  30 #include <gdbus.h>
  31
  32 #define CONNMAN_API_SUBJECT_TO_CHANGE
  33 #include <connman/device.h>
  34 #include <connman/dbus.h>
  35 #include <connman/log.h>
  36
  37 #include "inet.h"
  38 #include "supplicant.h"
  39
  40 #define TIMEOUT 5000
  41
  42 #define IEEE80211_CAP_ESS       0x0001
  43 #define IEEE80211_CAP_IBSS      0x0002
  44 #define IEEE80211_CAP_PRIVACY   0x0010
  45
  46 #define SUPPLICANT_NAME  "fi.epitest.hostap.WPASupplicant"
  47 #define SUPPLICANT_INTF  "fi.epitest.hostap.WPASupplicant"
  48 #define SUPPLICANT_PATH  "/fi/epitest/hostap/WPASupplicant"
  49
  50 enum supplicant_state {
  51         STATE_INACTIVE,
  52         STATE_SCANNING,
  53         STATE_ASSOCIATING,
  54         STATE_ASSOCIATED,
  55         STATE_4WAY_HANDSHAKE,
  56         STATE_GROUP_HANDSHAKE,
  57         STATE_COMPLETED,
  58         STATE_DISCONNECTED,
  59 };
  60
  61 struct supplicant_result {
  62         char *identifier;
  63         unsigned char *ssid;
  64         unsigned int ssid_len;
  65         dbus_uint16_t capabilities;
  66         gboolean adhoc;
  67         gboolean has_wep;
  68         gboolean has_wpa;
  69         gboolean has_rsn;
  70         dbus_int32_t quality;
  71         dbus_int32_t noise;
  72         dbus_int32_t level;
  73         dbus_int32_t maxrate;
  74 };
  75
  76 struct supplicant_task {
  77         int ifindex;
  78         gchar *ifname;
  79         struct connman_device *device;
  80         gchar *path;
  81         gboolean created;
  82         gchar *network;
  83         enum supplicant_state state;
  84         GSList *scan_results;
  85 };
  86
  87 static GSList *task_list = NULL;
  88
  89 static DBusConnection *connection;
  90
  91 static void free_task(struct supplicant_task *task)
  92 {
  93         DBG("task %p", task);
  94
  95         g_free(task->ifname);
  96         g_free(task->path);
  97         g_free(task);
  98 }
  99
 100 static struct supplicant_task *find_task_by_index(int index)
 101 {
 102         GSList *list;
 103
 104         for (list = task_list; list; list = list->next) {
 105                 struct supplicant_task *task = list->data;
 106
 107                 if (task->ifindex == index)
 108                         return task;
 109         }
 110
 111         return NULL;
 112 }
 113
 114 static struct supplicant_task *find_task_by_path(const char *path)
 115 {
 116         GSList *list;
 117
 118         for (list = task_list; list; list = list->next) {
 119                 struct supplicant_task *task = list->data;
 120
 121                 if (g_str_equal(task->path, path) == TRUE)
 122                         return task;
 123         }
 124
 125         return NULL;
 126 }
 127
 128 static void add_interface_reply(DBusPendingCall *call, void *user_data)
 129 {
 130         struct supplicant_task *task = user_data;
 131         DBusMessage *reply;
 132         DBusError error;
 133         const char *path;
 134
 135         DBG("task %p", task);
 136
 137         reply = dbus_pending_call_steal_reply(call);
 138         if (reply == NULL)
 139                 return;
 140
 141         if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR)
 142                 goto done;
 143
 144         dbus_error_init(&error);
 145
 146         if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
 147                                                 DBUS_TYPE_INVALID) == FALSE) {
 148                 if (dbus_error_is_set(&error) == TRUE) {
 149                         connman_error("%s", error.message);
 150                         dbus_error_free(&error);
 151                 } else
 152                         connman_error("Wrong arguments for add interface");
 153                 goto done;
 154         }
 155
 156         DBG("path %s", path);
 157
 158         task->path = g_strdup(path);
 159         task->created = TRUE;
 160
 161         connman_device_set_powered(task->device, TRUE);
 162
 163 done:
 164         dbus_message_unref(reply);
 165 }
 166
 167 static int add_interface(struct supplicant_task *task)
 168 {
 169         DBusMessage *message;
 170         DBusPendingCall *call;
 171
 172         DBG("task %p", task);
 173
 174         message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
 175                                         SUPPLICANT_INTF, "addInterface");
 176         if (message == NULL)
 177                 return -ENOMEM;
 178
 179         dbus_message_append_args(message, DBUS_TYPE_STRING, &task->ifname,
 180                                                         DBUS_TYPE_INVALID);
 181
 182         if (dbus_connection_send_with_reply(connection, message,
 183                                                 &call, TIMEOUT) == FALSE) {
 184                 connman_error("Failed to add interface");
 185                 dbus_message_unref(message);
 186                 return -EIO;
 187         }
 188
 189         dbus_pending_call_set_notify(call, add_interface_reply, task, NULL);
 190
 191         dbus_message_unref(message);
 192
 193         return -EINPROGRESS;
 194 }
 195
 196 static void get_interface_reply(DBusPendingCall *call, void *user_data)
 197 {
 198         struct supplicant_task *task = user_data;
 199         DBusMessage *reply;
 200         DBusError error;
 201         const char *path;
 202
 203         DBG("task %p", task);
 204
 205         reply = dbus_pending_call_steal_reply(call);
 206         if (reply == NULL)
 207                 return;
 208
 209         if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
 210                 add_interface(task);
 211                 goto done;
 212         }
 213
 214         dbus_error_init(&error);
 215
 216         if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
 217                                                 DBUS_TYPE_INVALID) == FALSE) {
 218                 if (dbus_error_is_set(&error) == TRUE) {
 219                         connman_error("%s", error.message);
 220                         dbus_error_free(&error);
 221                 } else
 222                         connman_error("Wrong arguments for get interface");
 223                 goto done;
 224         }
 225
 226         DBG("path %s", path);
 227
 228         task->path = g_strdup(path);
 229         task->created = FALSE;
 230
 231         connman_device_set_powered(task->device, TRUE);
 232
 233 done:
 234         dbus_message_unref(reply);
 235 }
 236
 237 static int create_interface(struct supplicant_task *task)
 238 {
 239         DBusMessage *message;
 240         DBusPendingCall *call;
 241
 242         DBG("task %p", task);
 243
 244         message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
 245                                         SUPPLICANT_INTF, "getInterface");
 246         if (message == NULL)
 247                 return -ENOMEM;
 248
 249         dbus_message_append_args(message, DBUS_TYPE_STRING, &task->ifname,
 250                                                         DBUS_TYPE_INVALID);
 251
 252         if (dbus_connection_send_with_reply(connection, message,
 253                                                 &call, TIMEOUT) == FALSE) {
 254                 connman_error("Failed to get interface");
 255                 dbus_message_unref(message);
 256                 return -EIO;
 257         }
 258
 259         dbus_pending_call_set_notify(call, get_interface_reply, task, NULL);
 260
 261         dbus_message_unref(message);
 262
 263         return -EINPROGRESS;
 264 }
 265
 266 static void remove_interface_reply(DBusPendingCall *call, void *user_data)
 267 {
 268         struct supplicant_task *task = user_data;
 269         DBusMessage *reply;
 270
 271         DBG("task %p", task);
 272
 273         reply = dbus_pending_call_steal_reply(call);
 274
 275         connman_device_set_powered(task->device, FALSE);
 276
 277         free_task(task);
 278
 279         dbus_message_unref(reply);
 280 }
 281
 282 static int remove_interface(struct supplicant_task *task)
 283 {
 284         DBusMessage *message;
 285         DBusPendingCall *call;
 286
 287         DBG("task %p", task);
 288
 289         if (task->created == FALSE) {
 290                 connman_device_set_powered(task->device, FALSE);
 291                 return 0;
 292         }
 293
 294         message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
 295                                         SUPPLICANT_INTF, "removeInterface");
 296         if (message == NULL)
 297                 return -ENOMEM;
 298
 299         dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->path,
 300                                                         DBUS_TYPE_INVALID);
 301
 302         if (dbus_connection_send_with_reply(connection, message,
 303                                                 &call, TIMEOUT) == FALSE) {
 304                 connman_error("Failed to remove interface");
 305                 dbus_message_unref(message);
 306                 return -EIO;
 307         }
 308
 309         dbus_pending_call_set_notify(call, remove_interface_reply, task, NULL);
 310
 311         dbus_message_unref(message);
 312
 313         return -EINPROGRESS;
 314 }
 315
 316 #if 0
 317 static int set_ap_scan(struct supplicant_task *task)
 318 {
 319         DBusMessage *message, *reply;
 320         DBusError error;
 321         guint32 ap_scan = 1;
 322
 323         DBG("task %p", task);
 324
 325         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 326                                 SUPPLICANT_INTF ".Interface", "setAPScan");
 327         if (message == NULL)
 328                 return -ENOMEM;
 329
 330         dbus_message_append_args(message, DBUS_TYPE_UINT32, &ap_scan,
 331                                                         DBUS_TYPE_INVALID);
 332
 333         dbus_error_init(&error);
 334
 335         reply = dbus_connection_send_with_reply_and_block(connection,
 336                                                         message, -1, &error);
 337         if (reply == NULL) {
 338                 if (dbus_error_is_set(&error) == TRUE) {
 339                         connman_error("%s", error.message);
 340                         dbus_error_free(&error);
 341                 } else
 342                         connman_error("Failed to set AP scan");
 343                 dbus_message_unref(message);
 344                 return -EIO;
 345         }
 346
 347         dbus_message_unref(message);
 348
 349         dbus_message_unref(reply);
 350
 351         return 0;
 352 }
 353 #endif
 354
 355 static int add_network(struct supplicant_task *task)
 356 {
 357         DBusMessage *message, *reply;
 358         DBusError error;
 359         const char *path;
 360
 361         DBG("task %p", task);
 362
 363         if (task->network != NULL)
 364                 return -EALREADY;
 365
 366         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 367                                 SUPPLICANT_INTF ".Interface", "addNetwork");
 368         if (message == NULL)
 369                 return -ENOMEM;
 370
 371         dbus_error_init(&error);
 372
 373         reply = dbus_connection_send_with_reply_and_block(connection,
 374                                                         message, -1, &error);
 375         if (reply == NULL) {
 376                 if (dbus_error_is_set(&error) == TRUE) {
 377                         connman_error("%s", error.message);
 378                         dbus_error_free(&error);
 379                 } else
 380                         connman_error("Failed to add network");
 381                 dbus_message_unref(message);
 382                 return -EIO;
 383         }
 384
 385         dbus_message_unref(message);
 386
 387         dbus_error_init(&error);
 388
 389         if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
 390                                                 DBUS_TYPE_INVALID) == FALSE) {
 391                 if (dbus_error_is_set(&error) == TRUE) {
 392                         connman_error("%s", error.message);
 393                         dbus_error_free(&error);
 394                 } else
 395                         connman_error("Wrong arguments for network");
 396                 dbus_message_unref(reply);
 397                 return -EIO;
 398         }
 399
 400         DBG("path %s", path);
 401
 402         task->network = g_strdup(path);
 403
 404         dbus_message_unref(reply);
 405
 406         return 0;
 407 }
 408
 409 static int remove_network(struct supplicant_task *task)
 410 {
 411         DBusMessage *message, *reply;
 412         DBusError error;
 413
 414         DBG("task %p", task);
 415
 416         if (task->network == NULL)
 417                 return -EINVAL;
 418
 419         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 420                                 SUPPLICANT_INTF ".Interface", "removeNetwork");
 421         if (message == NULL)
 422                 return -ENOMEM;
 423
 424         dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->network,
 425                                                         DBUS_TYPE_INVALID);
 426
 427         dbus_error_init(&error);
 428
 429         reply = dbus_connection_send_with_reply_and_block(connection,
 430                                                         message, -1, &error);
 431         if (reply == NULL) {
 432                 if (dbus_error_is_set(&error) == TRUE) {
 433                         connman_error("%s", error.message);
 434                         dbus_error_free(&error);
 435                 } else
 436                         connman_error("Failed to remove network");
 437                 dbus_message_unref(message);
 438                 return -EIO;
 439         }
 440
 441         dbus_message_unref(message);
 442
 443         dbus_message_unref(reply);
 444
 445         g_free(task->network);
 446         task->network = NULL;
 447
 448         return 0;
 449 }
 450
 451 static int select_network(struct supplicant_task *task)
 452 {
 453         DBusMessage *message, *reply;
 454         DBusError error;
 455
 456         DBG("task %p", task);
 457
 458         if (task->network == NULL)
 459                 return -EINVAL;
 460
 461         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 462                                 SUPPLICANT_INTF ".Interface", "selectNetwork");
 463         if (message == NULL)
 464                 return -ENOMEM;
 465
 466         dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->network,
 467                                                         DBUS_TYPE_INVALID);
 468
 469         dbus_error_init(&error);
 470
 471         reply = dbus_connection_send_with_reply_and_block(connection,
 472                                                         message, -1, &error);
 473         if (reply == NULL) {
 474                 if (dbus_error_is_set(&error) == TRUE) {
 475                         connman_error("%s", error.message);
 476                         dbus_error_free(&error);
 477                 } else
 478                         connman_error("Failed to select network");
 479                 dbus_message_unref(message);
 480                 return -EIO;
 481         }
 482
 483         dbus_message_unref(message);
 484
 485         dbus_message_unref(reply);
 486
 487         return 0;
 488 }
 489
 490 static int enable_network(struct supplicant_task *task)
 491 {
 492         DBusMessage *message, *reply;
 493         DBusError error;
 494
 495         DBG("task %p", task);
 496
 497         if (task->network == NULL)
 498                 return -EINVAL;
 499
 500         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->network,
 501                                         SUPPLICANT_INTF ".Network", "enable");
 502         if (message == NULL)
 503                 return -ENOMEM;
 504
 505         dbus_error_init(&error);
 506
 507         reply = dbus_connection_send_with_reply_and_block(connection,
 508                                                         message, -1, &error);
 509         if (reply == NULL) {
 510                 if (dbus_error_is_set(&error) == TRUE) {
 511                         connman_error("%s", error.message);
 512                         dbus_error_free(&error);
 513                 } else
 514                         connman_error("Failed to enable network");
 515                 dbus_message_unref(message);
 516                 return -EIO;
 517         }
 518
 519         dbus_message_unref(message);
 520
 521         dbus_message_unref(reply);
 522
 523         return 0;
 524 }
 525
 526 static int disable_network(struct supplicant_task *task)
 527 {
 528         DBusMessage *message, *reply;
 529         DBusError error;
 530
 531         DBG("task %p", task);
 532
 533         if (task->network == NULL)
 534                 return -EINVAL;
 535
 536         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->network,
 537                                         SUPPLICANT_INTF ".Network", "disable");
 538         if (message == NULL)
 539                 return -ENOMEM;
 540
 541         dbus_error_init(&error);
 542
 543         reply = dbus_connection_send_with_reply_and_block(connection,
 544                                                         message, -1, &error);
 545         if (reply == NULL) {
 546                 if (dbus_error_is_set(&error) == TRUE) {
 547                         connman_error("%s", error.message);
 548                         dbus_error_free(&error);
 549                 } else
 550                         connman_error("Failed to disable network");
 551                 dbus_message_unref(message);
 552                 return -EIO;
 553         }
 554
 555         dbus_message_unref(message);
 556
 557         dbus_message_unref(reply);
 558
 559         return 0;
 560 }
 561
 562 static int set_network(struct supplicant_task *task,
 563                                 const unsigned char *network, int len,
 564                                 const char *security, const char *passphrase)
 565 {
 566         DBusMessage *message, *reply;
 567         DBusMessageIter array, dict;
 568         DBusError error;
 569
 570         DBG("task %p", task);
 571
 572         if (task->network == NULL)
 573                 return -EINVAL;
 574
 575         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->network,
 576                                         SUPPLICANT_INTF ".Network", "set");
 577         if (message == NULL)
 578                 return -ENOMEM;
 579
 580         dbus_message_iter_init_append(message, &array);
 581
 582         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 583                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 584                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 585                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 586
 587         connman_dbus_dict_append_array(&dict, "ssid",
 588                                         DBUS_TYPE_BYTE, &network, len);
 589
 590         if (g_ascii_strcasecmp(security, "wpa") == 0 ||
 591                                 g_ascii_strcasecmp(security, "wpa2") == 0) {
 592                 const char *key_mgmt = "WPA-PSK";
 593                 connman_dbus_dict_append_variant(&dict, "key_mgmt",
 594                                                 DBUS_TYPE_STRING, &key_mgmt);
 595
 596                 if (passphrase && strlen(passphrase) > 0)
 597                         connman_dbus_dict_append_variant(&dict, "psk",
 598                                                 DBUS_TYPE_STRING, &passphrase);
 599         } else if (g_ascii_strcasecmp(security, "wep") == 0) {
 600                 const char *key_mgmt = "NONE", *index = "0";
 601                 connman_dbus_dict_append_variant(&dict, "key_mgmt",
 602                                                 DBUS_TYPE_STRING, &key_mgmt);
 603
 604                 if (passphrase) {
 605                         int size = strlen(passphrase);
 606                         if (size == 10 || size == 26) {
 607                                 unsigned char *key = malloc(13);
 608                                 char tmp[3];
 609                                 int i;
 610                                 memset(tmp, 0, sizeof(tmp));
 611                                 if (key == NULL)
 612                                         size = 0;
 613                                 for (i = 0; i < size / 2; i++) {
 614                                         memcpy(tmp, passphrase + (i * 2), 2);
 615                                         key[i] = (unsigned char) strtol(tmp,
 616                                                                 NULL, 16);
 617                                 }
 618                                 connman_dbus_dict_append_array(&dict,
 619                                                 "wep_key0", DBUS_TYPE_BYTE,
 620                                                         &key, size / 2);
 621                                 free(key);
 622                         } else
 623                                 connman_dbus_dict_append_variant(&dict,
 624                                                 "wep_key0", DBUS_TYPE_STRING,
 625                                                                 &passphrase);
 626                         connman_dbus_dict_append_variant(&dict, "wep_tx_keyidx",
 627                                                 DBUS_TYPE_STRING, &index);
 628                 }
 629         } else {
 630                 const char *key_mgmt = "NONE";
 631                 connman_dbus_dict_append_variant(&dict, "key_mgmt",
 632                                                 DBUS_TYPE_STRING, &key_mgmt);
 633         }
 634
 635         dbus_message_iter_close_container(&array, &dict);
 636
 637         dbus_error_init(&error);
 638
 639         reply = dbus_connection_send_with_reply_and_block(connection,
 640                                                         message, -1, &error);
 641         if (reply == NULL) {
 642                 if (dbus_error_is_set(&error) == TRUE) {
 643                         connman_error("%s", error.message);
 644                         dbus_error_free(&error);
 645                 } else
 646                         connman_error("Failed to set network options");
 647                 dbus_message_unref(message);
 648                 return -EIO;
 649         }
 650
 651         dbus_message_unref(message);
 652
 653         dbus_message_unref(reply);
 654
 655         return 0;
 656 }
 657
 658 static int initiate_scan(struct supplicant_task *task)
 659 {
 660         DBusMessage *message;
 661         DBusPendingCall *call;
 662
 663         DBG("task %p", task);
 664
 665         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 666                                         SUPPLICANT_INTF ".Interface", "scan");
 667         if (message == NULL)
 668                 return -ENOMEM;
 669
 670         if (dbus_connection_send_with_reply(connection, message,
 671                                                 &call, TIMEOUT) == FALSE) {
 672                 connman_error("Failed to initiate scan");
 673                 dbus_message_unref(message);
 674                 return -EIO;
 675         }
 676
 677         dbus_message_unref(message);
 678
 679         return 0;
 680 }
 681
 682 static void extract_ssid(DBusMessageIter *value,
 683                                         struct supplicant_result *result)
 684 {
 685         DBusMessageIter array;
 686         unsigned char *ssid;
 687         int ssid_len;
 688
 689         dbus_message_iter_recurse(value, &array);
 690         dbus_message_iter_get_fixed_array(&array, &ssid, &ssid_len);
 691
 692         if (ssid_len < 1)
 693                 return;
 694
 695         result->ssid = g_try_malloc(ssid_len);
 696         if (result->ssid == NULL)
 697                 return;
 698
 699         memcpy(result->ssid, ssid, ssid_len);
 700         result->ssid_len = ssid_len;
 701
 702         result->identifier = g_try_malloc0(ssid_len + 1);
 703         if (result->identifier == NULL)
 704                 return;
 705
 706         memcpy(result->identifier, ssid, ssid_len);
 707 }
 708
 709 static void extract_wpaie(DBusMessageIter *value,
 710                                         struct supplicant_result *result)
 711 {
 712         DBusMessageIter array;
 713         unsigned char *ie;
 714         int ie_len;
 715
 716         dbus_message_iter_recurse(value, &array);
 717         dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
 718
 719         if (ie_len > 0)
 720                 result->has_wpa = TRUE;
 721 }
 722
 723 static void extract_rsnie(DBusMessageIter *value,
 724                                         struct supplicant_result *result)
 725 {
 726         DBusMessageIter array;
 727         unsigned char *ie;
 728         int ie_len;
 729
 730         dbus_message_iter_recurse(value, &array);
 731         dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
 732
 733         if (ie_len > 0)
 734                 result->has_rsn = TRUE;
 735 }
 736
 737 static void extract_capabilites(DBusMessageIter *value,
 738                                         struct supplicant_result *result)
 739 {
 740         dbus_message_iter_get_basic(value, &result->capabilities);
 741
 742         if (result->capabilities & IEEE80211_CAP_ESS)
 743                 result->adhoc = FALSE;
 744         else if (result->capabilities & IEEE80211_CAP_IBSS)
 745                 result->adhoc = TRUE;
 746
 747         if (result->capabilities & IEEE80211_CAP_PRIVACY)
 748                 result->has_wep = TRUE;
 749 }
 750
 751 static int get_properties(struct supplicant_task *task);
 752
 753 static void properties_reply(DBusPendingCall *call, void *user_data)
 754 {
 755         struct supplicant_task *task = user_data;
 756         struct supplicant_result result;
 757         struct connman_network *network;
 758         DBusMessage *reply;
 759         DBusMessageIter array, dict;
 760         char *security, *temp = NULL;
 761         unsigned char strength;
 762         unsigned int i;
 763
 764         DBG("task %p", task);
 765
 766         reply = dbus_pending_call_steal_reply(call);
 767         if (reply == NULL) {
 768                 get_properties(task);
 769                 return;
 770         }
 771
 772         memset(&result, 0, sizeof(result));
 773
 774         dbus_message_iter_init(reply, &array);
 775
 776         dbus_message_iter_recurse(&array, &dict);
 777
 778         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
 779                 DBusMessageIter entry, value;
 780                 const char *key;
 781
 782                 dbus_message_iter_recurse(&dict, &entry);
 783                 dbus_message_iter_get_basic(&entry, &key);
 784
 785                 dbus_message_iter_next(&entry);
 786
 787                 dbus_message_iter_recurse(&entry, &value);
 788
 789                 //type = dbus_message_iter_get_arg_type(&value);
 790                 //dbus_message_iter_get_basic(&value, &val);
 791
 792                 /*
 793                  * bssid        : a (97)
 794                  * ssid         : a (97)
 795                  * wpaie        : a (97)
 796                  * rsnie        : a (97)
 797                  * frequency    : i (105)
 798                  * capabilities : q (113)
 799                  * quality      : i (105)
 800                  * noise        : i (105)
 801                  * level        : i (105)
 802                  * maxrate      : i (105)
 803                  */
 804
 805                 if (g_str_equal(key, "ssid") == TRUE)
 806                         extract_ssid(&value, &result);
 807                 else if (g_str_equal(key, "wpaie") == TRUE)
 808                         extract_wpaie(&value, &result);
 809                 else if (g_str_equal(key, "rsnie") == TRUE)
 810                         extract_rsnie(&value, &result);
 811                 else if (g_str_equal(key, "capabilities") == TRUE)
 812                         extract_capabilites(&value, &result);
 813                 else if (g_str_equal(key, "quality") == TRUE)
 814                         dbus_message_iter_get_basic(&value, &result.quality);
 815                 else if (g_str_equal(key, "noise") == TRUE)
 816                         dbus_message_iter_get_basic(&value, &result.noise);
 817                 else if (g_str_equal(key, "level") == TRUE)
 818                         dbus_message_iter_get_basic(&value, &result.level);
 819                 else if (g_str_equal(key, "maxrate") == TRUE)
 820                         dbus_message_iter_get_basic(&value, &result.maxrate);
 821
 822                 dbus_message_iter_next(&dict);
 823         }
 824
 825         if (result.identifier == NULL)
 826                 goto done;
 827
 828         if (result.identifier[0] == '\0')
 829                 goto done;
 830
 831         temp = g_strdup(result.identifier);
 832         if (temp == NULL)
 833                 goto done;
 834
 835         for (i = 0; i < strlen(temp); i++) {
 836                 char tmp = temp[i];
 837                 if ((tmp < '0' || tmp > '9') && (tmp < 'A' || tmp > 'Z') &&
 838                                                 (tmp < 'a' || tmp > 'z'))
 839                         temp[i] = '_';
 840         }
 841
 842         strength = result.quality;
 843
 844         if (result.has_rsn == TRUE)
 845                 security = "wpa2";
 846         else if (result.has_wpa == TRUE)
 847                 security = "wpa";
 848         else if (result.has_wep == TRUE)
 849                 security = "wep";
 850         else
 851                 security = "none";
 852
 853         network = connman_device_get_network(task->device, temp);
 854         if (network == NULL) {
 855                 const char *mode, *security;
 856                 unsigned char strength;
 857
 858                 network = connman_network_create(temp,
 859                                                 CONNMAN_NETWORK_TYPE_WIFI);
 860                 if (network == NULL)
 861                         goto done;
 862
 863                 connman_network_set_string(network, "Name", result.identifier);
 864
 865                 connman_network_set_blob(network, "WiFi.SSID",
 866                                                 result.ssid, result.ssid_len);
 867
 868                 mode = (result.adhoc == TRUE) ? "adhoc" : "managed";
 869                 connman_network_set_string(network, "WiFi.Mode", mode);
 870
 871                 DBG("%s (%s %s) strength %d", result.identifier, mode,
 872                                                         security, strength);
 873
 874                 if (connman_device_add_network(task->device, network) < 0) {
 875                         connman_network_unref(network);
 876                         goto done;
 877                 }
 878         }
 879
 880         connman_network_set_uint8(network, "Strength", strength);
 881
 882         connman_network_set_string(network, "WiFi.Security", security);
 883
 884 done:
 885         g_free(result.identifier);
 886         g_free(result.ssid);
 887         g_free(temp);
 888
 889         dbus_message_unref(reply);
 890
 891         get_properties(task);
 892 }
 893
 894 static int get_properties(struct supplicant_task *task)
 895 {
 896         DBusMessage *message;
 897         DBusPendingCall *call;
 898         char *path;
 899
 900         path = g_slist_nth_data(task->scan_results, 0);
 901         if (path == NULL) {
 902                 connman_device_set_scanning(task->device, FALSE);
 903                 return 0;
 904         }
 905
 906         message = dbus_message_new_method_call(SUPPLICANT_NAME, path,
 907                                                 SUPPLICANT_INTF ".BSSID",
 908                                                                 "properties");
 909
 910         task->scan_results = g_slist_remove(task->scan_results, path);
 911         g_free(path);
 912
 913         if (message == NULL)
 914                 return -ENOMEM;
 915
 916         if (dbus_connection_send_with_reply(connection, message,
 917                                                 &call, TIMEOUT) == FALSE) {
 918                 connman_error("Failed to get network properties");
 919                 dbus_message_unref(message);
 920                 return -EIO;
 921         }
 922
 923         dbus_pending_call_set_notify(call, properties_reply, task, NULL);
 924
 925         dbus_message_unref(message);
 926
 927         return 0;
 928 }
 929
 930 static void scan_results_reply(DBusPendingCall *call, void *user_data)
 931 {
 932         struct supplicant_task *task = user_data;
 933         DBusMessage *reply;
 934         DBusError error;
 935         char **results;
 936         int i, num_results;
 937
 938         DBG("task %p", task);
 939
 940         reply = dbus_pending_call_steal_reply(call);
 941         if (reply == NULL) {
 942                 connman_device_set_scanning(task->device, FALSE);
 943                 return;
 944         }
 945
 946         dbus_error_init(&error);
 947
 948         if (dbus_message_get_args(reply, &error,
 949                                 DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH,
 950                                                 &results, &num_results,
 951                                                 DBUS_TYPE_INVALID) == FALSE) {
 952                 if (dbus_error_is_set(&error) == TRUE) {
 953                         connman_error("%s", error.message);
 954                         dbus_error_free(&error);
 955                 } else
 956                         connman_error("Wrong arguments for scan result");
 957                 connman_device_set_scanning(task->device, FALSE);
 958                 goto done;
 959         }
 960
 961         for (i = 0; i < num_results; i++) {
 962                 char *path = g_strdup(results[i]);
 963                 if (path == NULL)
 964                         continue;
 965
 966                 task->scan_results = g_slist_append(task->scan_results, path);
 967         }
 968
 969         g_strfreev(results);
 970
 971         get_properties(task);
 972
 973 done:
 974         dbus_message_unref(reply);
 975 }
 976
 977 static int scan_results_available(struct supplicant_task *task)
 978 {
 979         DBusMessage *message;
 980         DBusPendingCall *call;
 981
 982         DBG("task %p", task);
 983
 984         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 985                                                 SUPPLICANT_INTF ".Interface",
 986                                                         "scanResults");
 987         if (message == NULL)
 988                 return -ENOMEM;
 989
 990         if (dbus_connection_send_with_reply(connection, message,
 991                                                 &call, TIMEOUT) == FALSE) {
 992                 connman_error("Failed to request scan result");
 993                 dbus_message_unref(message);
 994                 return -EIO;
 995         }
 996
 997         connman_device_set_scanning(task->device, TRUE);
 998
 999         dbus_pending_call_set_notify(call, scan_results_reply, task, NULL);
1000
1001         dbus_message_unref(message);
1002
1003         return 0;
1004 }
1005
1006 static void state_change(struct supplicant_task *task, DBusMessage *msg)
1007 {
1008         DBusError error;
1009         const char *state, *previous;
1010
1011         dbus_error_init(&error);
1012
1013         if (dbus_message_get_args(msg, &error, DBUS_TYPE_STRING, &state,
1014                                                 DBUS_TYPE_STRING, &previous,
1015                                                 DBUS_TYPE_INVALID) == FALSE) {
1016                 if (dbus_error_is_set(&error) == TRUE) {
1017                         connman_error("%s", error.message);
1018                         dbus_error_free(&error);
1019                 } else
1020                         connman_error("Wrong arguments for state change");
1021                 return;
1022         }
1023
1024         DBG("state %s ==> %s", previous, state);
1025
1026         if (g_str_equal(state, "INACTIVE") == TRUE)
1027                 task->state = STATE_INACTIVE;
1028         else if (g_str_equal(state, "SCANNING") == TRUE)
1029                 task->state = STATE_SCANNING;
1030         else if (g_str_equal(state, "ASSOCIATING") == TRUE)
1031                 task->state = STATE_ASSOCIATING;
1032         else if (g_str_equal(state, "ASSOCIATED") == TRUE)
1033                 task->state = STATE_ASSOCIATED;
1034         else if (g_str_equal(state, "GROUP_HANDSHAKE") == TRUE)
1035                 task->state = STATE_GROUP_HANDSHAKE;
1036         else if (g_str_equal(state, "4WAY_HANDSHAKE") == TRUE)
1037                 task->state = STATE_4WAY_HANDSHAKE;
1038         else if (g_str_equal(state, "COMPLETED") == TRUE)
1039                 task->state = STATE_COMPLETED;
1040         else if (g_str_equal(state, "DISCONNECTED") == TRUE)
1041                 task->state = STATE_DISCONNECTED;
1042
1043         if (task->state == STATE_SCANNING)
1044                 connman_device_set_scanning(task->device, TRUE);
1045
1046         switch (task->state) {
1047         case STATE_COMPLETED:
1048                 /* carrier on */
1049                 break;
1050         case STATE_DISCONNECTED:
1051                 /* carrier off */
1052                 break;
1053         default:
1054                 break;
1055         }
1056 }
1057
1058 static DBusHandlerResult supplicant_filter(DBusConnection *conn,
1059                                                 DBusMessage *msg, void *data)
1060 {
1061         struct supplicant_task *task;
1062         const char *member, *path;
1063
1064         if (dbus_message_has_interface(msg,
1065                                 SUPPLICANT_INTF ".Interface") == FALSE)
1066                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1067
1068         member = dbus_message_get_member(msg);
1069         if (member == NULL)
1070                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1071
1072         path = dbus_message_get_path(msg);
1073         if (path == NULL)
1074                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1075
1076         task = find_task_by_path(path);
1077         if (task == NULL)
1078                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1079
1080         DBG("task %p member %s", task, member);
1081
1082         if (g_str_equal(member, "ScanResultsAvailable") == TRUE)
1083                 scan_results_available(task);
1084         else if (g_str_equal(member, "StateChange") == TRUE)
1085                 state_change(task, msg);
1086
1087         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1088 }
1089
1090 int supplicant_start(struct connman_device *device)
1091 {
1092         struct supplicant_task *task;
1093
1094         DBG("device %p", device);
1095
1096         task = g_try_new0(struct supplicant_task, 1);
1097         if (task == NULL)
1098                 return -ENOMEM;
1099
1100         task->ifindex = connman_device_get_index(device);
1101         task->ifname = inet_index2name(task->ifindex);
1102         task->device = device;
1103
1104         if (task->ifname == NULL) {
1105                 g_free(task);
1106                 return -ENOMEM;
1107         }
1108
1109         task->created = FALSE;
1110         task->state = STATE_INACTIVE;
1111
1112         task_list = g_slist_append(task_list, task);
1113
1114         return create_interface(task);
1115 }
1116
1117 int supplicant_stop(struct connman_device *device)
1118 {
1119         int index = connman_device_get_index(device);
1120         struct supplicant_task *task;
1121
1122         DBG("device %p", device);
1123
1124         task = find_task_by_index(index);
1125         if (task == NULL)
1126                 return -ENODEV;
1127
1128         task_list = g_slist_remove(task_list, task);
1129
1130         disable_network(task);
1131
1132         remove_network(task);
1133
1134         return remove_interface(task);
1135 }
1136
1137 int supplicant_scan(struct connman_device *device)
1138 {
1139         int index = connman_device_get_index(device);
1140         struct supplicant_task *task;
1141         int err;
1142
1143         DBG("device %p", device);
1144
1145         task = find_task_by_index(index);
1146         if (task == NULL)
1147                 return -ENODEV;
1148
1149         switch (task->state) {
1150         case STATE_SCANNING:
1151                 return -EALREADY;
1152         case STATE_ASSOCIATING:
1153         case STATE_ASSOCIATED:
1154         case STATE_4WAY_HANDSHAKE:
1155         case STATE_GROUP_HANDSHAKE:
1156                 return -EBUSY;
1157         default:
1158                 break;
1159         }
1160
1161         err = initiate_scan(task);
1162
1163         return 0;
1164 }
1165
1166 int supplicant_connect(struct connman_network *network)
1167 {
1168         struct supplicant_task *task;
1169         const char *security, *passphrase;
1170         const void *ssid;
1171         unsigned int ssid_len;
1172         int index;
1173
1174         DBG("network %p", network);
1175
1176         security = connman_network_get_string(network, "WiFi.Security");
1177         passphrase = connman_network_get_string(network, "WiFi.Passphrase");
1178
1179         ssid = connman_network_get_blob(network, "WiFi.SSID", &ssid_len);
1180
1181         index = connman_network_get_index(network);
1182
1183         task = find_task_by_index(index);
1184         if (task == NULL)
1185                 return -ENODEV;
1186
1187         add_network(task);
1188
1189         select_network(task);
1190         disable_network(task);
1191
1192         set_network(task, ssid, ssid_len, security, passphrase);
1193
1194         enable_network(task);
1195
1196         return 0;
1197 }
1198
1199 int supplicant_disconnect(struct connman_network *network)
1200 {
1201         struct supplicant_task *task;
1202         int index;
1203
1204         DBG("network %p", network);
1205
1206         index = connman_network_get_index(network);
1207
1208         task = find_task_by_index(index);
1209         if (task == NULL)
1210                 return -ENODEV;
1211
1212         disable_network(task);
1213
1214         remove_network(task);
1215
1216         return 0;
1217 }
1218
1219 static void supplicant_activate(DBusConnection *conn)
1220 {
1221         DBusMessage *message;
1222
1223         DBG("conn %p", conn);
1224
1225         message = dbus_message_new_method_call(SUPPLICANT_NAME, "/",
1226                                 DBUS_INTERFACE_INTROSPECTABLE, "Introspect");
1227         if (message == NULL)
1228                 return;
1229
1230         dbus_message_set_no_reply(message, TRUE);
1231
1232         dbus_connection_send(conn, message, NULL);
1233
1234         dbus_message_unref(message);
1235 }
1236
1237 static GSList *driver_list = NULL;
1238
1239 static void supplicant_probe(DBusConnection *conn, void *user_data)
1240 {
1241         GSList *list;
1242
1243         DBG("conn %p", conn);
1244
1245         for (list = driver_list; list; list = list->next) {
1246                 struct supplicant_driver *driver = list->data;
1247
1248                 DBG("driver %p name %s", driver, driver->name);
1249
1250                 if (driver->probe)
1251                         driver->probe();
1252         }
1253 }
1254
1255 static void supplicant_remove(DBusConnection *conn, void *user_data)
1256 {
1257         GSList *list;
1258
1259         DBG("conn %p", conn);
1260
1261         for (list = driver_list; list; list = list->next) {
1262                 struct supplicant_driver *driver = list->data;
1263
1264                 DBG("driver %p name %s", driver, driver->name);
1265
1266                 if (driver->remove)
1267                         driver->remove();
1268         }
1269 }
1270
1271 static const char *supplicant_rule = "type=signal,"
1272                                 "interface=" SUPPLICANT_INTF ".Interface";
1273 static guint watch;
1274
1275 static int supplicant_create(void)
1276 {
1277         if (g_slist_length(driver_list) > 0)
1278                 return 0;
1279
1280         connection = connman_dbus_get_connection();
1281         if (connection == NULL)
1282                 return -EIO;
1283
1284         DBG("connection %p", connection);
1285
1286         if (dbus_connection_add_filter(connection,
1287                                 supplicant_filter, NULL, NULL) == FALSE) {
1288                 connection = connman_dbus_get_connection();
1289                 return -EIO;
1290         }
1291
1292         dbus_bus_add_match(connection, supplicant_rule, NULL);
1293         dbus_connection_flush(connection);
1294
1295         watch = g_dbus_add_service_watch(connection, SUPPLICANT_NAME,
1296                         supplicant_probe, supplicant_remove, NULL, NULL);
1297
1298         return 0;
1299 }
1300
1301 static void supplicant_destroy(void)
1302 {
1303         if (g_slist_length(driver_list) > 0)
1304                 return;
1305
1306         DBG("connection %p", connection);
1307
1308         if (watch > 0)
1309                 g_dbus_remove_watch(connection, watch);
1310
1311         dbus_bus_remove_match(connection, supplicant_rule, NULL);
1312         dbus_connection_flush(connection);
1313
1314         dbus_connection_remove_filter(connection, supplicant_filter, NULL);
1315
1316         dbus_connection_unref(connection);
1317         connection = NULL;
1318 }
1319
1320 int supplicant_register(struct supplicant_driver *driver)
1321 {
1322         int err;
1323
1324         DBG("driver %p name %s", driver, driver->name);
1325
1326         err = supplicant_create();
1327         if (err < 0)
1328                 return err;
1329
1330         driver_list = g_slist_append(driver_list, driver);
1331
1332         if (g_dbus_check_service(connection, SUPPLICANT_NAME) == TRUE)
1333                 supplicant_probe(connection, NULL);
1334         else
1335                 supplicant_activate(connection);
1336
1337         return 0;
1338 }
1339
1340 void supplicant_unregister(struct supplicant_driver *driver)
1341 {
1342         DBG("driver %p name %s", driver, driver->name);
1343
1344         supplicant_remove(connection, NULL);
1345
1346         driver_list = g_slist_remove(driver_list, driver);
1347
1348         supplicant_destroy();
1349 }