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

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2008  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 <stdlib.h>
  27 #include <string.h>
  28 #include <dbus/dbus.h>
  29
  30 #include <glib.h>
  31
  32 #include <connman/log.h>
  33 #include <connman/dbus.h>
  34
  35 #include "inet.h"
  36 #include "supplicant.h"
  37
  38 #define TIMEOUT 5000
  39
  40 #define IEEE80211_CAP_ESS       0x0001
  41 #define IEEE80211_CAP_IBSS      0x0002
  42 #define IEEE80211_CAP_PRIVACY   0x0010
  43
  44 struct supplicant_task {
  45         int ifindex;
  46         gchar *ifname;
  47         struct connman_device *device;
  48         struct supplicant_callback *callback;
  49         gchar *path;
  50         gboolean created;
  51         gchar *network;
  52         enum supplicant_state state;
  53 };
  54
  55 static GSList *task_list = NULL;
  56
  57 static DBusConnection *connection;
  58
  59 static struct supplicant_task *find_task_by_index(int index)
  60 {
  61         GSList *list;
  62
  63         for (list = task_list; list; list = list->next) {
  64                 struct supplicant_task *task = list->data;
  65
  66                 if (task->ifindex == index)
  67                         return task;
  68         }
  69
  70         return NULL;
  71 }
  72
  73 static struct supplicant_task *find_task_by_path(const char *path)
  74 {
  75         GSList *list;
  76
  77         for (list = task_list; list; list = list->next) {
  78                 struct supplicant_task *task = list->data;
  79
  80                 if (g_str_equal(task->path, path) == TRUE)
  81                         return task;
  82         }
  83
  84         return NULL;
  85 }
  86
  87 static int get_interface(struct supplicant_task *task)
  88 {
  89         DBusMessage *message, *reply;
  90         DBusError error;
  91         const char *path;
  92
  93         DBG("task %p", task);
  94
  95         message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
  96                                         SUPPLICANT_INTF, "getInterface");
  97         if (message == NULL)
  98                 return -ENOMEM;
  99
 100         dbus_message_append_args(message, DBUS_TYPE_STRING, &task->ifname,
 101                                                         DBUS_TYPE_INVALID);
 102
 103         dbus_error_init(&error);
 104
 105         reply = dbus_connection_send_with_reply_and_block(connection,
 106                                                         message, -1, &error);
 107         if (reply == NULL) {
 108                 if (dbus_error_is_set(&error) == TRUE) {
 109                         connman_error("%s", error.message);
 110                         dbus_error_free(&error);
 111                 } else
 112                         connman_error("Failed to get interface");
 113                 dbus_message_unref(message);
 114                 return -EIO;
 115         }
 116
 117         dbus_message_unref(message);
 118
 119         dbus_error_init(&error);
 120
 121         if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
 122                                                 DBUS_TYPE_INVALID) == FALSE) {
 123                 if (dbus_error_is_set(&error) == TRUE) {
 124                         connman_error("%s", error.message);
 125                         dbus_error_free(&error);
 126                 } else
 127                         connman_error("Wrong arguments for interface");
 128                 dbus_message_unref(reply);
 129                 return -EIO;
 130         }
 131
 132         DBG("path %s", path);
 133
 134         task->path = g_strdup(path);
 135         task->created = FALSE;
 136
 137         dbus_message_unref(reply);
 138
 139         return 0;
 140 }
 141
 142 static int add_interface(struct supplicant_task *task)
 143 {
 144         DBusMessage *message, *reply;
 145         DBusError error;
 146         const char *path;
 147
 148         DBG("task %p", task);
 149
 150         message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
 151                                         SUPPLICANT_INTF, "addInterface");
 152         if (message == NULL)
 153                 return -ENOMEM;
 154
 155         dbus_error_init(&error);
 156
 157         dbus_message_append_args(message, DBUS_TYPE_STRING, &task->ifname,
 158                                                         DBUS_TYPE_INVALID);
 159
 160         reply = dbus_connection_send_with_reply_and_block(connection,
 161                                                         message, -1, &error);
 162         if (reply == NULL) {
 163                 if (dbus_error_is_set(&error) == TRUE) {
 164                         connman_error("%s", error.message);
 165                         dbus_error_free(&error);
 166                 } else
 167                         connman_error("Failed to add interface");
 168                 dbus_message_unref(message);
 169                 return -EIO;
 170         }
 171
 172         dbus_message_unref(message);
 173
 174         dbus_error_init(&error);
 175
 176         if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
 177                                                 DBUS_TYPE_INVALID) == FALSE) {
 178                 if (dbus_error_is_set(&error) == TRUE) {
 179                         connman_error("%s", error.message);
 180                         dbus_error_free(&error);
 181                 } else
 182                         connman_error("Wrong arguments for interface");
 183                 dbus_message_unref(reply);
 184                 return -EIO;
 185         }
 186
 187         DBG("path %s", path);
 188
 189         task->path = g_strdup(path);
 190         task->created = TRUE;
 191
 192         dbus_message_unref(reply);
 193
 194         return 0;
 195 }
 196
 197 static int remove_interface(struct supplicant_task *task)
 198 {
 199         DBusMessage *message, *reply;
 200         DBusError error;
 201
 202         DBG("task %p", task);
 203
 204         if (task->created == FALSE)
 205                 return -EINVAL;
 206
 207         message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
 208                                         SUPPLICANT_INTF, "removeInterface");
 209         if (message == NULL)
 210                 return -ENOMEM;
 211
 212         dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->path,
 213                                                         DBUS_TYPE_INVALID);
 214
 215         dbus_error_init(&error);
 216
 217         reply = dbus_connection_send_with_reply_and_block(connection,
 218                                                         message, -1, &error);
 219         if (reply == NULL) {
 220                 if (dbus_error_is_set(&error) == TRUE) {
 221                         connman_error("%s", error.message);
 222                         dbus_error_free(&error);
 223                 } else
 224                         connman_error("Failed to remove interface");
 225                 dbus_message_unref(message);
 226                 return -EIO;
 227         }
 228
 229         dbus_message_unref(message);
 230
 231         dbus_message_unref(reply);
 232
 233         return 0;
 234 }
 235
 236 static int set_ap_scan(struct supplicant_task *task)
 237 {
 238         DBusMessage *message, *reply;
 239         DBusError error;
 240         guint32 ap_scan = 1;
 241
 242         DBG("task %p", task);
 243
 244         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 245                                 SUPPLICANT_INTF ".Interface", "setAPScan");
 246         if (message == NULL)
 247                 return -ENOMEM;
 248
 249         dbus_message_append_args(message, DBUS_TYPE_UINT32, &ap_scan,
 250                                                         DBUS_TYPE_INVALID);
 251
 252         dbus_error_init(&error);
 253
 254         reply = dbus_connection_send_with_reply_and_block(connection,
 255                                                         message, -1, &error);
 256         if (reply == NULL) {
 257                 if (dbus_error_is_set(&error) == TRUE) {
 258                         connman_error("%s", error.message);
 259                         dbus_error_free(&error);
 260                 } else
 261                         connman_error("Failed to set AP scan");
 262                 dbus_message_unref(message);
 263                 return -EIO;
 264         }
 265
 266         dbus_message_unref(message);
 267
 268         dbus_message_unref(reply);
 269
 270         return 0;
 271 }
 272
 273 static int add_network(struct supplicant_task *task)
 274 {
 275         DBusMessage *message, *reply;
 276         DBusError error;
 277         const char *path;
 278
 279         DBG("task %p", task);
 280
 281         if (task->network != NULL)
 282                 return -EALREADY;
 283
 284         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 285                                 SUPPLICANT_INTF ".Interface", "addNetwork");
 286         if (message == NULL)
 287                 return -ENOMEM;
 288
 289         dbus_error_init(&error);
 290
 291         reply = dbus_connection_send_with_reply_and_block(connection,
 292                                                         message, -1, &error);
 293         if (reply == NULL) {
 294                 if (dbus_error_is_set(&error) == TRUE) {
 295                         connman_error("%s", error.message);
 296                         dbus_error_free(&error);
 297                 } else
 298                         connman_error("Failed to add network");
 299                 dbus_message_unref(message);
 300                 return -EIO;
 301         }
 302
 303         dbus_message_unref(message);
 304
 305         dbus_error_init(&error);
 306
 307         if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
 308                                                 DBUS_TYPE_INVALID) == FALSE) {
 309                 if (dbus_error_is_set(&error) == TRUE) {
 310                         connman_error("%s", error.message);
 311                         dbus_error_free(&error);
 312                 } else
 313                         connman_error("Wrong arguments for network");
 314                 dbus_message_unref(reply);
 315                 return -EIO;
 316         }
 317
 318         DBG("path %s", path);
 319
 320         task->network = g_strdup(path);
 321
 322         dbus_message_unref(reply);
 323
 324         return 0;
 325 }
 326
 327 static int remove_network(struct supplicant_task *task)
 328 {
 329         DBusMessage *message, *reply;
 330         DBusError error;
 331
 332         DBG("task %p", task);
 333
 334         if (task->network == NULL)
 335                 return -EINVAL;
 336
 337         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 338                                 SUPPLICANT_INTF ".Interface", "removeNetwork");
 339         if (message == NULL)
 340                 return -ENOMEM;
 341
 342         dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->network,
 343                                                         DBUS_TYPE_INVALID);
 344
 345         dbus_error_init(&error);
 346
 347         reply = dbus_connection_send_with_reply_and_block(connection,
 348                                                         message, -1, &error);
 349         if (reply == NULL) {
 350                 if (dbus_error_is_set(&error) == TRUE) {
 351                         connman_error("%s", error.message);
 352                         dbus_error_free(&error);
 353                 } else
 354                         connman_error("Failed to remove network");
 355                 dbus_message_unref(message);
 356                 return -EIO;
 357         }
 358
 359         dbus_message_unref(message);
 360
 361         dbus_message_unref(reply);
 362
 363         g_free(task->network);
 364         task->network = NULL;
 365
 366         return 0;
 367 }
 368
 369 static int select_network(struct supplicant_task *task)
 370 {
 371         DBusMessage *message, *reply;
 372         DBusError error;
 373
 374         DBG("task %p", task);
 375
 376         if (task->network == NULL)
 377                 return -EINVAL;
 378
 379         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 380                                 SUPPLICANT_INTF ".Interface", "selectNetwork");
 381         if (message == NULL)
 382                 return -ENOMEM;
 383
 384         dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->network,
 385                                                         DBUS_TYPE_INVALID);
 386
 387         dbus_error_init(&error);
 388
 389         reply = dbus_connection_send_with_reply_and_block(connection,
 390                                                         message, -1, &error);
 391         if (reply == NULL) {
 392                 if (dbus_error_is_set(&error) == TRUE) {
 393                         connman_error("%s", error.message);
 394                         dbus_error_free(&error);
 395                 } else
 396                         connman_error("Failed to select network");
 397                 dbus_message_unref(message);
 398                 return -EIO;
 399         }
 400
 401         dbus_message_unref(message);
 402
 403         dbus_message_unref(reply);
 404
 405         return 0;
 406 }
 407
 408 static int enable_network(struct supplicant_task *task)
 409 {
 410         DBusMessage *message, *reply;
 411         DBusError error;
 412
 413         DBG("task %p", task);
 414
 415         if (task->network == NULL)
 416                 return -EINVAL;
 417
 418         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->network,
 419                                         SUPPLICANT_INTF ".Network", "enable");
 420         if (message == NULL)
 421                 return -ENOMEM;
 422
 423         dbus_error_init(&error);
 424
 425         reply = dbus_connection_send_with_reply_and_block(connection,
 426                                                         message, -1, &error);
 427         if (reply == NULL) {
 428                 if (dbus_error_is_set(&error) == TRUE) {
 429                         connman_error("%s", error.message);
 430                         dbus_error_free(&error);
 431                 } else
 432                         connman_error("Failed to enable network");
 433                 dbus_message_unref(message);
 434                 return -EIO;
 435         }
 436
 437         dbus_message_unref(message);
 438
 439         dbus_message_unref(reply);
 440
 441         return 0;
 442 }
 443
 444 static int disable_network(struct supplicant_task *task)
 445 {
 446         DBusMessage *message, *reply;
 447         DBusError error;
 448
 449         DBG("task %p", task);
 450
 451         if (task->network == NULL)
 452                 return -EINVAL;
 453
 454         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->network,
 455                                         SUPPLICANT_INTF ".Network", "disable");
 456         if (message == NULL)
 457                 return -ENOMEM;
 458
 459         dbus_error_init(&error);
 460
 461         reply = dbus_connection_send_with_reply_and_block(connection,
 462                                                         message, -1, &error);
 463         if (reply == NULL) {
 464                 if (dbus_error_is_set(&error) == TRUE) {
 465                         connman_error("%s", error.message);
 466                         dbus_error_free(&error);
 467                 } else
 468                         connman_error("Failed to disable network");
 469                 dbus_message_unref(message);
 470                 return -EIO;
 471         }
 472
 473         dbus_message_unref(message);
 474
 475         dbus_message_unref(reply);
 476
 477         return 0;
 478 }
 479
 480 static int set_network(struct supplicant_task *task,
 481                                 const unsigned char *network, int len,
 482                                 const char *security, const char *passphrase)
 483 {
 484         DBusMessage *message, *reply;
 485         DBusMessageIter array, dict;
 486         DBusError error;
 487
 488         DBG("task %p", task);
 489
 490         if (task->network == NULL)
 491                 return -EINVAL;
 492
 493         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->network,
 494                                         SUPPLICANT_INTF ".Network", "set");
 495         if (message == NULL)
 496                 return -ENOMEM;
 497
 498         dbus_message_iter_init_append(message, &array);
 499
 500         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 501                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 502                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 503                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 504
 505         connman_dbus_dict_append_array(&dict, "ssid",
 506                                         DBUS_TYPE_BYTE, &network, len);
 507
 508         if (g_ascii_strcasecmp(security, "wpa") == 0 ||
 509                                 g_ascii_strcasecmp(security, "wpa2") == 0) {
 510                 const char *key_mgmt = "WPA-PSK";
 511                 connman_dbus_dict_append_variant(&dict, "key_mgmt",
 512                                                 DBUS_TYPE_STRING, &key_mgmt);
 513
 514                 if (passphrase && strlen(passphrase) > 0)
 515                         connman_dbus_dict_append_variant(&dict, "psk",
 516                                                 DBUS_TYPE_STRING, &passphrase);
 517         } else if (g_ascii_strcasecmp(security, "wep") == 0) {
 518                 const char *key_mgmt = "NONE", *index = "0";
 519                 connman_dbus_dict_append_variant(&dict, "key_mgmt",
 520                                                 DBUS_TYPE_STRING, &key_mgmt);
 521
 522                 if (passphrase) {
 523                         int size = strlen(passphrase);
 524                         if (size == 10 || size == 26) {
 525                                 unsigned char *key = malloc(13);
 526                                 char tmp[3];
 527                                 int i;
 528                                 memset(tmp, 0, sizeof(tmp));
 529                                 if (key == NULL)
 530                                         size = 0;
 531                                 for (i = 0; i < size / 2; i++) {
 532                                         memcpy(tmp, passphrase + (i * 2), 2);
 533                                         key[i] = (unsigned char) strtol(tmp,
 534                                                                 NULL, 16);
 535                                 }
 536                                 connman_dbus_dict_append_array(&dict,
 537                                                 "wep_key0", DBUS_TYPE_BYTE,
 538                                                         &key, size / 2);
 539                                 free(key);
 540                         } else
 541                                 connman_dbus_dict_append_variant(&dict,
 542                                                 "wep_key0", DBUS_TYPE_STRING,
 543                                                                 &passphrase);
 544                         connman_dbus_dict_append_variant(&dict, "wep_tx_keyidx",
 545                                                 DBUS_TYPE_STRING, &index);
 546                 }
 547         } else {
 548                 const char *key_mgmt = "NONE";
 549                 connman_dbus_dict_append_variant(&dict, "key_mgmt",
 550                                                 DBUS_TYPE_STRING, &key_mgmt);
 551         }
 552
 553         dbus_message_iter_close_container(&array, &dict);
 554
 555         dbus_error_init(&error);
 556
 557         reply = dbus_connection_send_with_reply_and_block(connection,
 558                                                         message, -1, &error);
 559         if (reply == NULL) {
 560                 if (dbus_error_is_set(&error) == TRUE) {
 561                         connman_error("%s", error.message);
 562                         dbus_error_free(&error);
 563                 } else
 564                         connman_error("Failed to set network options");
 565                 dbus_message_unref(message);
 566                 return -EIO;
 567         }
 568
 569         dbus_message_unref(message);
 570
 571         dbus_message_unref(reply);
 572
 573         return 0;
 574 }
 575
 576 static int initiate_scan(struct supplicant_task *task)
 577 {
 578         DBusMessage *message;
 579         DBusPendingCall *call;
 580
 581         DBG("task %p", task);
 582
 583         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 584                                         SUPPLICANT_INTF ".Interface", "scan");
 585         if (message == NULL)
 586                 return -ENOMEM;
 587
 588         if (dbus_connection_send_with_reply(connection, message,
 589                                                 &call, TIMEOUT) == FALSE) {
 590                 connman_error("Failed to initiate scan");
 591                 dbus_message_unref(message);
 592                 return -EIO;
 593         }
 594
 595         dbus_message_unref(message);
 596
 597         return 0;
 598 }
 599
 600 static void extract_ssid(struct supplicant_network *network,
 601                                                 DBusMessageIter *value)
 602 {
 603         DBusMessageIter array;
 604         unsigned char *ssid;
 605         int ssid_len;
 606
 607         dbus_message_iter_recurse(value, &array);
 608         dbus_message_iter_get_fixed_array(&array, &ssid, &ssid_len);
 609
 610         if (ssid_len < 1)
 611                 return;
 612
 613         network->ssid = g_try_malloc(ssid_len);
 614         if (network->ssid == NULL)
 615                 return;
 616
 617         memcpy(network->ssid, ssid, ssid_len);
 618         network->ssid_len = ssid_len;
 619
 620         network->identifier = g_try_malloc0(ssid_len + 1);
 621         if (network->identifier == NULL)
 622                 return;
 623
 624         memcpy(network->identifier, ssid, ssid_len);
 625 }
 626
 627 static void extract_wpaie(struct supplicant_network *network,
 628                                                 DBusMessageIter *value)
 629 {
 630         DBusMessageIter array;
 631         unsigned char *ie;
 632         int ie_len;
 633
 634         dbus_message_iter_recurse(value, &array);
 635         dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
 636
 637         if (ie_len > 0)
 638                 network->has_wpa = TRUE;
 639 }
 640
 641 static void extract_rsnie(struct supplicant_network *network,
 642                                                 DBusMessageIter *value)
 643 {
 644         DBusMessageIter array;
 645         unsigned char *ie;
 646         int ie_len;
 647
 648         dbus_message_iter_recurse(value, &array);
 649         dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
 650
 651         if (ie_len > 0)
 652                 network->has_rsn = TRUE;
 653 }
 654
 655 static void extract_capabilites(struct supplicant_network *network,
 656                                                 DBusMessageIter *value)
 657 {
 658         dbus_message_iter_get_basic(value, &network->capabilities);
 659
 660         if (network->capabilities & IEEE80211_CAP_ESS)
 661                 network->adhoc = FALSE;
 662         else if (network->capabilities & IEEE80211_CAP_IBSS)
 663                 network->adhoc = TRUE;
 664
 665         if (network->capabilities & IEEE80211_CAP_PRIVACY)
 666                 network->has_wep = TRUE;
 667 }
 668
 669 static void properties_reply(DBusPendingCall *call, void *user_data)
 670 {
 671         struct supplicant_task *task = user_data;
 672         struct supplicant_network *network;
 673         DBusMessage *reply;
 674         DBusMessageIter array, dict;
 675
 676         DBG("task %p", task);
 677
 678         reply = dbus_pending_call_steal_reply(call);
 679
 680         network = g_try_new0(struct supplicant_network, 1);
 681         if (network == NULL)
 682                 goto done;
 683
 684         dbus_message_iter_init(reply, &array);
 685
 686         dbus_message_iter_recurse(&array, &dict);
 687
 688         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
 689                 DBusMessageIter entry, value;
 690                 const char *key;
 691
 692                 dbus_message_iter_recurse(&dict, &entry);
 693                 dbus_message_iter_get_basic(&entry, &key);
 694
 695                 dbus_message_iter_next(&entry);
 696
 697                 dbus_message_iter_recurse(&entry, &value);
 698
 699                 //type = dbus_message_iter_get_arg_type(&value);
 700                 //dbus_message_iter_get_basic(&value, &val);
 701
 702                 /*
 703                  * bssid        : a (97)
 704                  * ssid         : a (97)
 705                  * wpaie        : a (97)
 706                  * rsnie        : a (97)
 707                  * frequency    : i (105)
 708                  * capabilities : q (113)
 709                  * quality      : i (105)
 710                  * noise        : i (105)
 711                  * level        : i (105)
 712                  * maxrate      : i (105)
 713                  */
 714
 715                 if (g_str_equal(key, "ssid") == TRUE)
 716                         extract_ssid(network, &value);
 717                 else if (g_str_equal(key, "wpaie") == TRUE)
 718                         extract_wpaie(network, &value);
 719                 else if (g_str_equal(key, "rsnie") == TRUE)
 720                         extract_rsnie(network, &value);
 721                 else if (g_str_equal(key, "capabilities") == TRUE)
 722                         extract_capabilites(network, &value);
 723                 else if (g_str_equal(key, "quality") == TRUE)
 724                         dbus_message_iter_get_basic(&value, &network->quality);
 725                 else if (g_str_equal(key, "noise") == TRUE)
 726                         dbus_message_iter_get_basic(&value, &network->noise);
 727                 else if (g_str_equal(key, "level") == TRUE)
 728                         dbus_message_iter_get_basic(&value, &network->level);
 729                 else if (g_str_equal(key, "maxrate") == TRUE)
 730                         dbus_message_iter_get_basic(&value, &network->maxrate);
 731
 732
 733                 dbus_message_iter_next(&dict);
 734         }
 735
 736         if (task->callback && task->callback->scan_result)
 737                 task->callback->scan_result(task->device, network);
 738
 739         g_free(network->identifier);
 740         g_free(network->ssid);
 741         g_free(network);
 742
 743 done:
 744         dbus_message_unref(reply);
 745 }
 746
 747 static int get_network_properties(struct supplicant_task *task,
 748                                                         const char *path)
 749 {
 750         DBusMessage *message;
 751         DBusPendingCall *call;
 752
 753         message = dbus_message_new_method_call(SUPPLICANT_NAME, path,
 754                                                 SUPPLICANT_INTF ".BSSID",
 755                                                                 "properties");
 756         if (message == NULL)
 757                 return -ENOMEM;
 758
 759         if (dbus_connection_send_with_reply(connection, message,
 760                                                 &call, TIMEOUT) == FALSE) {
 761                 connman_error("Failed to get network properties");
 762                 dbus_message_unref(message);
 763                 return -EIO;
 764         }
 765
 766         dbus_pending_call_set_notify(call, properties_reply, task, NULL);
 767
 768         dbus_message_unref(message);
 769
 770         return 0;
 771 }
 772
 773 static void scan_results_reply(DBusPendingCall *call, void *user_data)
 774 {
 775         struct supplicant_task *task = user_data;
 776         DBusMessage *reply;
 777         DBusError error;
 778         char **results;
 779         int i, num_results;
 780
 781         DBG("task %p", task);
 782
 783         reply = dbus_pending_call_steal_reply(call);
 784
 785         dbus_error_init(&error);
 786
 787         if (dbus_message_get_args(reply, &error,
 788                                 DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH,
 789                                                 &results, &num_results,
 790                                                 DBUS_TYPE_INVALID) == FALSE) {
 791                 if (dbus_error_is_set(&error) == TRUE) {
 792                         connman_error("%s", error.message);
 793                         dbus_error_free(&error);
 794                 } else
 795                         connman_error("Wrong arguments for scan result");
 796                 goto done;
 797         }
 798
 799         if (task->callback && task->callback->clear_results)
 800                         task->callback->clear_results(task->device);
 801
 802         for (i = 0; i < num_results; i++)
 803                 get_network_properties(task, results[i]);
 804
 805         g_strfreev(results);
 806
 807 done:
 808         dbus_message_unref(reply);
 809 }
 810
 811 static int scan_results_available(struct supplicant_task *task)
 812 {
 813         DBusMessage *message;
 814         DBusPendingCall *call;
 815
 816         DBG("task %p", task);
 817
 818         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 819                                                 SUPPLICANT_INTF ".Interface",
 820                                                         "scanResults");
 821         if (message == NULL)
 822                 return -ENOMEM;
 823
 824         if (dbus_connection_send_with_reply(connection, message,
 825                                                 &call, TIMEOUT) == FALSE) {
 826                 connman_error("Failed to request scan result");
 827                 dbus_message_unref(message);
 828                 return -EIO;
 829         }
 830
 831         dbus_pending_call_set_notify(call, scan_results_reply, task, NULL);
 832
 833         dbus_message_unref(message);
 834
 835         return 0;
 836 }
 837
 838 static void state_change(struct supplicant_task *task, DBusMessage *msg)
 839 {
 840         DBusError error;
 841         const char *state, *previous;
 842
 843         dbus_error_init(&error);
 844
 845         if (dbus_message_get_args(msg, &error, DBUS_TYPE_STRING, &state,
 846                                                 DBUS_TYPE_STRING, &previous,
 847                                                 DBUS_TYPE_INVALID) == FALSE) {
 848                 if (dbus_error_is_set(&error) == TRUE) {
 849                         connman_error("%s", error.message);
 850                         dbus_error_free(&error);
 851                 } else
 852                         connman_error("Wrong arguments for state change");
 853                 return;
 854         }
 855
 856         DBG("state %s ==> %s", previous, state);
 857
 858         if (g_str_equal(state, "INACTIVE") == TRUE)
 859                 task->state = STATE_INACTIVE;
 860         else if (g_str_equal(state, "SCANNING") == TRUE)
 861                 task->state = STATE_SCANNING;
 862         else if (g_str_equal(state, "ASSOCIATING") == TRUE)
 863                 task->state = STATE_ASSOCIATING;
 864         else if (g_str_equal(state, "ASSOCIATED") == TRUE)
 865                 task->state = STATE_ASSOCIATED;
 866         else if (g_str_equal(state, "GROUP_HANDSHAKE") == TRUE)
 867                 task->state = STATE_4WAY_HANDSHAKE;
 868         else if (g_str_equal(state, "4WAY_HANDSHAKE") == TRUE)
 869                 task->state = STATE_4WAY_HANDSHAKE;
 870         else if (g_str_equal(state, "COMPLETED") == TRUE)
 871                 task->state = STATE_COMPLETED;
 872         else if (g_str_equal(state, "DISCONNECTED") == TRUE)
 873                 task->state = STATE_DISCONNECTED;
 874
 875         if (task->callback && task->callback->state_change)
 876                 task->callback->state_change(task->device, task->state);
 877
 878         switch (task->state) {
 879         case STATE_COMPLETED:
 880                 /* carrier on */
 881                 break;
 882         case STATE_DISCONNECTED:
 883                 /* carrier off */
 884                 break;
 885         default:
 886                 break;
 887         }
 888 }
 889
 890 static DBusHandlerResult supplicant_filter(DBusConnection *conn,
 891                                                 DBusMessage *msg, void *data)
 892 {
 893         struct supplicant_task *task;
 894         const char *member, *path;
 895
 896         if (dbus_message_has_interface(msg,
 897                                 SUPPLICANT_INTF ".Interface") == FALSE)
 898                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 899
 900         member = dbus_message_get_member(msg);
 901         if (member == NULL)
 902                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 903
 904         path = dbus_message_get_path(msg);
 905         if (path == NULL)
 906                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 907
 908         task = find_task_by_path(path);
 909         if (task == NULL)
 910                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 911
 912         DBG("task %p member %s", task, member);
 913
 914         if (g_str_equal(member, "ScanResultsAvailable") == TRUE)
 915                 scan_results_available(task);
 916         else if (g_str_equal(member, "StateChange") == TRUE)
 917                 state_change(task, msg);
 918
 919         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 920 }
 921
 922 static int add_filter(struct supplicant_task *task)
 923 {
 924         DBusError error;
 925         gchar *filter;
 926
 927         filter = g_strdup_printf("type=signal,interface=%s.Interface,path=%s",
 928                                                 SUPPLICANT_INTF, task->path);
 929
 930         DBG("filter %s", filter);
 931
 932         dbus_error_init(&error);
 933
 934         dbus_bus_add_match(connection, filter, &error);
 935
 936         g_free(filter);
 937
 938         if (dbus_error_is_set(&error) == TRUE) {
 939                 connman_error("Can't add match: %s", error.message);
 940                 dbus_error_free(&error);
 941         }
 942
 943         return 0;
 944 }
 945
 946 static int remove_filter(struct supplicant_task *task)
 947 {
 948         DBusError error;
 949         gchar *filter;
 950
 951         filter = g_strdup_printf("type=signal,interface=%s.Interface,path=%s",
 952                                                 SUPPLICANT_INTF, task->path);
 953
 954         DBG("filter %s", filter);
 955
 956         dbus_error_init(&error);
 957
 958         dbus_bus_remove_match(connection, filter, &error);
 959
 960         g_free(filter);
 961
 962         if (dbus_error_is_set(&error) == TRUE) {
 963                 connman_error("Can't add match: %s", error.message);
 964                 dbus_error_free(&error);
 965         }
 966
 967         return 0;
 968 }
 969
 970 int __supplicant_start(struct connman_device *device,
 971                                         struct supplicant_callback *callback)
 972 {
 973         struct supplicant_task *task;
 974         int err;
 975
 976         DBG("device %p", device);
 977
 978         task = g_try_new0(struct supplicant_task, 1);
 979         if (task == NULL)
 980                 return -ENOMEM;
 981
 982         task->ifindex = connman_device_get_index(device);
 983         task->ifname = inet_index2name(task->ifindex);
 984         task->device = device;
 985         task->callback = callback;
 986
 987         if (task->ifname == NULL) {
 988                 g_free(task);
 989                 return -ENOMEM;
 990         }
 991
 992         task->created = FALSE;
 993         task->state = STATE_INACTIVE;
 994
 995         task_list = g_slist_append(task_list, task);
 996
 997         err = get_interface(task);
 998         if (err < 0) {
 999                 err = add_interface(task);
1000                 if (err < 0) {
1001                         g_free(task);
1002                         return err;
1003                 }
1004         }
1005
1006         add_filter(task);
1007
1008         set_ap_scan(task);
1009
1010         return 0;
1011 }
1012
1013 int __supplicant_stop(struct connman_device *device)
1014 {
1015         int index = connman_device_get_index(device);
1016         struct supplicant_task *task;
1017
1018         DBG("device %p", device);
1019
1020         task = find_task_by_index(index);
1021         if (task == NULL)
1022                 return -ENODEV;
1023
1024         task_list = g_slist_remove(task_list, task);
1025
1026         disable_network(task);
1027
1028         remove_network(task);
1029
1030         remove_filter(task);
1031
1032         remove_interface(task);
1033
1034         g_free(task->ifname);
1035         g_free(task->path);
1036         g_free(task);
1037
1038         return 0;
1039 }
1040
1041 int __supplicant_scan(struct connman_device *device)
1042 {
1043         int index = connman_device_get_index(device);
1044         struct supplicant_task *task;
1045         int err;
1046
1047         DBG("device %p", device);
1048
1049         task = find_task_by_index(index);
1050         if (task == NULL)
1051                 return -ENODEV;
1052
1053         switch (task->state) {
1054         case STATE_SCANNING:
1055                 return -EALREADY;
1056         case STATE_ASSOCIATING:
1057         case STATE_ASSOCIATED:
1058         case STATE_4WAY_HANDSHAKE:
1059         case STATE_GROUP_HANDSHAKE:
1060                 return -EBUSY;
1061         default:
1062                 break;
1063         }
1064
1065         err = initiate_scan(task);
1066
1067         return 0;
1068 }
1069
1070 int __supplicant_connect(struct connman_element *element,
1071                                 const unsigned char *ssid, int ssid_len,
1072                                 const char *security, const char *passphrase)
1073 {
1074         struct supplicant_task *task;
1075
1076         DBG("element %p", element);
1077
1078         task = find_task_by_index(element->index);
1079         if (task == NULL)
1080                 return -ENODEV;
1081
1082         add_network(task);
1083
1084         select_network(task);
1085         disable_network(task);
1086
1087         set_network(task, ssid, ssid_len, security, passphrase);
1088
1089         enable_network(task);
1090
1091         return 0;
1092 }
1093
1094 int __supplicant_disconnect(struct connman_element *element)
1095 {
1096         struct supplicant_task *task;
1097
1098         DBG("element %p", element);
1099
1100         task = find_task_by_index(element->index);
1101         if (task == NULL)
1102                 return -ENODEV;
1103
1104         disable_network(task);
1105
1106         remove_network(task);
1107
1108         return 0;
1109 }
1110
1111 void __supplicant_activate(DBusConnection *conn)
1112 {
1113         DBusMessage *message;
1114
1115         DBG("conn %p", conn);
1116
1117         message = dbus_message_new_method_call(SUPPLICANT_NAME, "/",
1118                                 DBUS_INTERFACE_INTROSPECTABLE, "Introspect");
1119         if (message == NULL)
1120                 return;
1121
1122         dbus_message_set_no_reply(message, TRUE);
1123
1124         dbus_connection_send(conn, message, NULL);
1125
1126         dbus_message_unref(message);
1127 }
1128
1129 int __supplicant_init(DBusConnection *conn)
1130 {
1131         DBG("conn %p", conn);
1132
1133         connection = conn;
1134
1135         if (dbus_connection_add_filter(connection,
1136                                 supplicant_filter, NULL, NULL) == FALSE) {
1137                 dbus_connection_unref(connection);
1138                 return -EIO;
1139         }
1140
1141         return 0;
1142 }
1143
1144 void __supplicant_exit(void)
1145 {
1146         DBG("conn %p", connection);
1147
1148         dbus_connection_remove_filter(connection, supplicant_filter, NULL);
1149 }