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

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2009  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <errno.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29
  30 #include <gdbus.h>
  31
  32 #define CONNMAN_API_SUBJECT_TO_CHANGE
  33 #include <connman/device.h>
  34 #include <connman/dbus.h>
  35 #include <connman/log.h>
  36
  37 #include "inet.h"
  38 #include "supplicant.h"
  39
  40 #define TIMEOUT 5000
  41
  42 #define IEEE80211_CAP_ESS       0x0001
  43 #define IEEE80211_CAP_IBSS      0x0002
  44 #define IEEE80211_CAP_PRIVACY   0x0010
  45
  46 #define SUPPLICANT_NAME  "fi.epitest.hostap.WPASupplicant"
  47 #define SUPPLICANT_INTF  "fi.epitest.hostap.WPASupplicant"
  48 #define SUPPLICANT_PATH  "/fi/epitest/hostap/WPASupplicant"
  49
  50 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;
 856
 857                 network = connman_network_create(temp,
 858                                                 CONNMAN_NETWORK_TYPE_WIFI);
 859                 if (network == NULL)
 860                         goto done;
 861
 862                 connman_network_set_string(network, "Name", result.identifier);
 863
 864                 connman_network_set_blob(network, "WiFi.SSID",
 865                                                 result.ssid, result.ssid_len);
 866
 867                 mode = (result.adhoc == TRUE) ? "adhoc" : "managed";
 868                 connman_network_set_string(network, "WiFi.Mode", mode);
 869
 870                 DBG("%s (%s %s) strength %d", result.identifier, mode,
 871                                                         security, strength);
 872
 873                 if (connman_device_add_network(task->device, network) < 0) {
 874                         connman_network_unref(network);
 875                         goto done;
 876                 }
 877         }
 878
 879         connman_network_set_uint8(network, "Strength", strength);
 880
 881         connman_network_set_string(network, "WiFi.Security", security);
 882
 883 done:
 884         g_free(result.identifier);
 885         g_free(result.ssid);
 886         g_free(temp);
 887
 888         dbus_message_unref(reply);
 889
 890         get_properties(task);
 891 }
 892
 893 static int get_properties(struct supplicant_task *task)
 894 {
 895         DBusMessage *message;
 896         DBusPendingCall *call;
 897         char *path;
 898
 899         path = g_slist_nth_data(task->scan_results, 0);
 900         if (path == NULL) {
 901                 connman_device_set_scanning(task->device, FALSE);
 902                 return 0;
 903         }
 904
 905         message = dbus_message_new_method_call(SUPPLICANT_NAME, path,
 906                                                 SUPPLICANT_INTF ".BSSID",
 907                                                                 "properties");
 908
 909         task->scan_results = g_slist_remove(task->scan_results, path);
 910         g_free(path);
 911
 912         if (message == NULL)
 913                 return -ENOMEM;
 914
 915         if (dbus_connection_send_with_reply(connection, message,
 916                                                 &call, TIMEOUT) == FALSE) {
 917                 connman_error("Failed to get network properties");
 918                 dbus_message_unref(message);
 919                 return -EIO;
 920         }
 921
 922         dbus_pending_call_set_notify(call, properties_reply, task, NULL);
 923
 924         dbus_message_unref(message);
 925
 926         return 0;
 927 }
 928
 929 static void scan_results_reply(DBusPendingCall *call, void *user_data)
 930 {
 931         struct supplicant_task *task = user_data;
 932         DBusMessage *reply;
 933         DBusError error;
 934         char **results;
 935         int i, num_results;
 936
 937         DBG("task %p", task);
 938
 939         reply = dbus_pending_call_steal_reply(call);
 940         if (reply == NULL) {
 941                 connman_device_set_scanning(task->device, FALSE);
 942                 return;
 943         }
 944
 945         dbus_error_init(&error);
 946
 947         if (dbus_message_get_args(reply, &error,
 948                                 DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH,
 949                                                 &results, &num_results,
 950                                                 DBUS_TYPE_INVALID) == FALSE) {
 951                 if (dbus_error_is_set(&error) == TRUE) {
 952                         connman_error("%s", error.message);
 953                         dbus_error_free(&error);
 954                 } else
 955                         connman_error("Wrong arguments for scan result");
 956                 connman_device_set_scanning(task->device, FALSE);
 957                 goto done;
 958         }
 959
 960         for (i = 0; i < num_results; i++) {
 961                 char *path = g_strdup(results[i]);
 962                 if (path == NULL)
 963                         continue;
 964
 965                 task->scan_results = g_slist_append(task->scan_results, path);
 966         }
 967
 968         g_strfreev(results);
 969
 970         get_properties(task);
 971
 972 done:
 973         dbus_message_unref(reply);
 974 }
 975
 976 static int scan_results_available(struct supplicant_task *task)
 977 {
 978         DBusMessage *message;
 979         DBusPendingCall *call;
 980
 981         DBG("task %p", task);
 982
 983         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 984                                                 SUPPLICANT_INTF ".Interface",
 985                                                         "scanResults");
 986         if (message == NULL)
 987                 return -ENOMEM;
 988
 989         if (dbus_connection_send_with_reply(connection, message,
 990                                                 &call, TIMEOUT) == FALSE) {
 991                 connman_error("Failed to request scan result");
 992                 dbus_message_unref(message);
 993                 return -EIO;
 994         }
 995
 996         connman_device_set_scanning(task->device, TRUE);
 997
 998         dbus_pending_call_set_notify(call, scan_results_reply, task, NULL);
 999
1000         dbus_message_unref(message);
1001
1002         return 0;
1003 }
1004
1005 static void state_change(struct supplicant_task *task, DBusMessage *msg)
1006 {
1007         DBusError error;
1008         const char *state, *previous;
1009
1010         dbus_error_init(&error);
1011
1012         if (dbus_message_get_args(msg, &error, DBUS_TYPE_STRING, &state,
1013                                                 DBUS_TYPE_STRING, &previous,
1014                                                 DBUS_TYPE_INVALID) == FALSE) {
1015                 if (dbus_error_is_set(&error) == TRUE) {
1016                         connman_error("%s", error.message);
1017                         dbus_error_free(&error);
1018                 } else
1019                         connman_error("Wrong arguments for state change");
1020                 return;
1021         }
1022
1023         DBG("state %s ==> %s", previous, state);
1024
1025         if (g_str_equal(state, "INACTIVE") == TRUE)
1026                 task->state = STATE_INACTIVE;
1027         else if (g_str_equal(state, "SCANNING") == TRUE)
1028                 task->state = STATE_SCANNING;
1029         else if (g_str_equal(state, "ASSOCIATING") == TRUE)
1030                 task->state = STATE_ASSOCIATING;
1031         else if (g_str_equal(state, "ASSOCIATED") == TRUE)
1032                 task->state = STATE_ASSOCIATED;
1033         else if (g_str_equal(state, "GROUP_HANDSHAKE") == TRUE)
1034                 task->state = STATE_GROUP_HANDSHAKE;
1035         else if (g_str_equal(state, "4WAY_HANDSHAKE") == TRUE)
1036                 task->state = STATE_4WAY_HANDSHAKE;
1037         else if (g_str_equal(state, "COMPLETED") == TRUE)
1038                 task->state = STATE_COMPLETED;
1039         else if (g_str_equal(state, "DISCONNECTED") == TRUE)
1040                 task->state = STATE_DISCONNECTED;
1041
1042         if (task->state == STATE_SCANNING)
1043                 connman_device_set_scanning(task->device, TRUE);
1044
1045         switch (task->state) {
1046         case STATE_COMPLETED:
1047                 /* carrier on */
1048                 break;
1049         case STATE_DISCONNECTED:
1050                 /* carrier off */
1051                 break;
1052         default:
1053                 break;
1054         }
1055 }
1056
1057 static DBusHandlerResult supplicant_filter(DBusConnection *conn,
1058                                                 DBusMessage *msg, void *data)
1059 {
1060         struct supplicant_task *task;
1061         const char *member, *path;
1062
1063         if (dbus_message_has_interface(msg,
1064                                 SUPPLICANT_INTF ".Interface") == FALSE)
1065                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1066
1067         member = dbus_message_get_member(msg);
1068         if (member == NULL)
1069                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1070
1071         path = dbus_message_get_path(msg);
1072         if (path == NULL)
1073                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1074
1075         task = find_task_by_path(path);
1076         if (task == NULL)
1077                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1078
1079         DBG("task %p member %s", task, member);
1080
1081         if (g_str_equal(member, "ScanResultsAvailable") == TRUE)
1082                 scan_results_available(task);
1083         else if (g_str_equal(member, "StateChange") == TRUE)
1084                 state_change(task, msg);
1085
1086         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1087 }
1088
1089 int supplicant_start(struct connman_device *device)
1090 {
1091         struct supplicant_task *task;
1092
1093         DBG("device %p", device);
1094
1095         task = g_try_new0(struct supplicant_task, 1);
1096         if (task == NULL)
1097                 return -ENOMEM;
1098
1099         task->ifindex = connman_device_get_index(device);
1100         task->ifname = inet_index2name(task->ifindex);
1101         task->device = device;
1102
1103         if (task->ifname == NULL) {
1104                 g_free(task);
1105                 return -ENOMEM;
1106         }
1107
1108         task->created = FALSE;
1109         task->state = STATE_INACTIVE;
1110
1111         task_list = g_slist_append(task_list, task);
1112
1113         return create_interface(task);
1114 }
1115
1116 int supplicant_stop(struct connman_device *device)
1117 {
1118         int index = connman_device_get_index(device);
1119         struct supplicant_task *task;
1120
1121         DBG("device %p", device);
1122
1123         task = find_task_by_index(index);
1124         if (task == NULL)
1125                 return -ENODEV;
1126
1127         task_list = g_slist_remove(task_list, task);
1128
1129         disable_network(task);
1130
1131         remove_network(task);
1132
1133         return remove_interface(task);
1134 }
1135
1136 int supplicant_scan(struct connman_device *device)
1137 {
1138         int index = connman_device_get_index(device);
1139         struct supplicant_task *task;
1140         int err;
1141
1142         DBG("device %p", device);
1143
1144         task = find_task_by_index(index);
1145         if (task == NULL)
1146                 return -ENODEV;
1147
1148         switch (task->state) {
1149         case STATE_SCANNING:
1150                 return -EALREADY;
1151         case STATE_ASSOCIATING:
1152         case STATE_ASSOCIATED:
1153         case STATE_4WAY_HANDSHAKE:
1154         case STATE_GROUP_HANDSHAKE:
1155                 return -EBUSY;
1156         default:
1157                 break;
1158         }
1159
1160         err = initiate_scan(task);
1161
1162         return 0;
1163 }
1164
1165 int supplicant_connect(struct connman_network *network)
1166 {
1167         struct supplicant_task *task;
1168         const char *security, *passphrase;
1169         const void *ssid;
1170         unsigned int ssid_len;
1171         int index;
1172
1173         DBG("network %p", network);
1174
1175         security = connman_network_get_string(network, "WiFi.Security");
1176         passphrase = connman_network_get_string(network, "WiFi.Passphrase");
1177
1178         ssid = connman_network_get_blob(network, "WiFi.SSID", &ssid_len);
1179
1180         index = connman_network_get_index(network);
1181
1182         task = find_task_by_index(index);
1183         if (task == NULL)
1184                 return -ENODEV;
1185
1186         add_network(task);
1187
1188         select_network(task);
1189         disable_network(task);
1190
1191         set_network(task, ssid, ssid_len, security, passphrase);
1192
1193         enable_network(task);
1194
1195         return 0;
1196 }
1197
1198 int supplicant_disconnect(struct connman_network *network)
1199 {
1200         struct supplicant_task *task;
1201         int index;
1202
1203         DBG("network %p", network);
1204
1205         index = connman_network_get_index(network);
1206
1207         task = find_task_by_index(index);
1208         if (task == NULL)
1209                 return -ENODEV;
1210
1211         disable_network(task);
1212
1213         remove_network(task);
1214
1215         return 0;
1216 }
1217
1218 static void supplicant_activate(DBusConnection *conn)
1219 {
1220         DBusMessage *message;
1221
1222         DBG("conn %p", conn);
1223
1224         message = dbus_message_new_method_call(SUPPLICANT_NAME, "/",
1225                                 DBUS_INTERFACE_INTROSPECTABLE, "Introspect");
1226         if (message == NULL)
1227                 return;
1228
1229         dbus_message_set_no_reply(message, TRUE);
1230
1231         dbus_connection_send(conn, message, NULL);
1232
1233         dbus_message_unref(message);
1234 }
1235
1236 static GSList *driver_list = NULL;
1237
1238 static void supplicant_probe(DBusConnection *conn, void *user_data)
1239 {
1240         GSList *list;
1241
1242         DBG("conn %p", conn);
1243
1244         for (list = driver_list; list; list = list->next) {
1245                 struct supplicant_driver *driver = list->data;
1246
1247                 DBG("driver %p name %s", driver, driver->name);
1248
1249                 if (driver->probe)
1250                         driver->probe();
1251         }
1252 }
1253
1254 static void supplicant_remove(DBusConnection *conn, void *user_data)
1255 {
1256         GSList *list;
1257
1258         DBG("conn %p", conn);
1259
1260         for (list = driver_list; list; list = list->next) {
1261                 struct supplicant_driver *driver = list->data;
1262
1263                 DBG("driver %p name %s", driver, driver->name);
1264
1265                 if (driver->remove)
1266                         driver->remove();
1267         }
1268 }
1269
1270 static const char *supplicant_rule = "type=signal,"
1271                                 "interface=" SUPPLICANT_INTF ".Interface";
1272 static guint watch;
1273
1274 static int supplicant_create(void)
1275 {
1276         if (g_slist_length(driver_list) > 0)
1277                 return 0;
1278
1279         connection = connman_dbus_get_connection();
1280         if (connection == NULL)
1281                 return -EIO;
1282
1283         DBG("connection %p", connection);
1284
1285         if (dbus_connection_add_filter(connection,
1286                                 supplicant_filter, NULL, NULL) == FALSE) {
1287                 connection = connman_dbus_get_connection();
1288                 return -EIO;
1289         }
1290
1291         dbus_bus_add_match(connection, supplicant_rule, NULL);
1292         dbus_connection_flush(connection);
1293
1294         watch = g_dbus_add_service_watch(connection, SUPPLICANT_NAME,
1295                         supplicant_probe, supplicant_remove, NULL, NULL);
1296
1297         return 0;
1298 }
1299
1300 static void supplicant_destroy(void)
1301 {
1302         if (g_slist_length(driver_list) > 0)
1303                 return;
1304
1305         DBG("connection %p", connection);
1306
1307         if (watch > 0)
1308                 g_dbus_remove_watch(connection, watch);
1309
1310         dbus_bus_remove_match(connection, supplicant_rule, NULL);
1311         dbus_connection_flush(connection);
1312
1313         dbus_connection_remove_filter(connection, supplicant_filter, NULL);
1314
1315         dbus_connection_unref(connection);
1316         connection = NULL;
1317 }
1318
1319 int supplicant_register(struct supplicant_driver *driver)
1320 {
1321         int err;
1322
1323         DBG("driver %p name %s", driver, driver->name);
1324
1325         err = supplicant_create();
1326         if (err < 0)
1327                 return err;
1328
1329         driver_list = g_slist_append(driver_list, driver);
1330
1331         if (g_dbus_check_service(connection, SUPPLICANT_NAME) == TRUE)
1332                 supplicant_probe(connection, NULL);
1333         else
1334                 supplicant_activate(connection);
1335
1336         return 0;
1337 }
1338
1339 void supplicant_unregister(struct supplicant_driver *driver)
1340 {
1341         DBG("driver %p name %s", driver, driver->name);
1342
1343         supplicant_remove(connection, NULL);
1344
1345         driver_list = g_slist_remove(driver_list, driver);
1346
1347         supplicant_destroy();
1348 }