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