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

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2009  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <stdlib.h>
  27 #include <string.h>
  28
  29 #include <gdbus.h>
  30
  31 #define CONNMAN_API_SUBJECT_TO_CHANGE
  32 #include <connman/device.h>
  33 #include <connman/dbus.h>
  34 #include <connman/log.h>
  35
  36 #include "inet.h"
  37 #include "supplicant.h"
  38
  39 #define TIMEOUT 5000
  40
  41 #define IEEE80211_CAP_ESS       0x0001
  42 #define IEEE80211_CAP_IBSS      0x0002
  43 #define IEEE80211_CAP_PRIVACY   0x0010
  44
  45 #define SUPPLICANT_NAME  "fi.epitest.hostap.WPASupplicant"
  46 #define SUPPLICANT_INTF  "fi.epitest.hostap.WPASupplicant"
  47 #define SUPPLICANT_PATH  "/fi/epitest/hostap/WPASupplicant"
  48
  49 enum supplicant_state {
  50         STATE_INACTIVE,
  51         STATE_SCANNING,
  52         STATE_ASSOCIATING,
  53         STATE_ASSOCIATED,
  54         STATE_4WAY_HANDSHAKE,
  55         STATE_GROUP_HANDSHAKE,
  56         STATE_COMPLETED,
  57         STATE_DISCONNECTED,
  58 };
  59
  60 struct supplicant_result {
  61         char *identifier;
  62         unsigned char *ssid;
  63         unsigned int ssid_len;
  64         dbus_uint16_t capabilities;
  65         gboolean adhoc;
  66         gboolean has_wep;
  67         gboolean has_wpa;
  68         gboolean has_rsn;
  69         dbus_int32_t quality;
  70         dbus_int32_t noise;
  71         dbus_int32_t level;
  72         dbus_int32_t maxrate;
  73 };
  74
  75 struct supplicant_task {
  76         int ifindex;
  77         gchar *ifname;
  78         struct connman_device *device;
  79         gchar *path;
  80         gboolean created;
  81         gchar *network;
  82         enum supplicant_state state;
  83         GSList *scan_results;
  84 };
  85
  86 static GSList *task_list = NULL;
  87
  88 static DBusConnection *connection;
  89
  90 static void free_task(struct supplicant_task *task)
  91 {
  92         DBG("task %p", task);
  93
  94         g_free(task->ifname);
  95         g_free(task->path);
  96         g_free(task);
  97 }
  98
  99 static struct supplicant_task *find_task_by_index(int index)
 100 {
 101         GSList *list;
 102
 103         for (list = task_list; list; list = list->next) {
 104                 struct supplicant_task *task = list->data;
 105
 106                 if (task->ifindex == index)
 107                         return task;
 108         }
 109
 110         return NULL;
 111 }
 112
 113 static struct supplicant_task *find_task_by_path(const char *path)
 114 {
 115         GSList *list;
 116
 117         for (list = task_list; list; list = list->next) {
 118                 struct supplicant_task *task = list->data;
 119
 120                 if (g_str_equal(task->path, path) == TRUE)
 121                         return task;
 122         }
 123
 124         return NULL;
 125 }
 126
 127 static void add_interface_reply(DBusPendingCall *call, void *user_data)
 128 {
 129         struct supplicant_task *task = user_data;
 130         DBusMessage *reply;
 131         DBusError error;
 132         const char *path;
 133
 134         DBG("task %p", task);
 135
 136         reply = dbus_pending_call_steal_reply(call);
 137         if (reply == NULL)
 138                 return;
 139
 140         if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR)
 141                 goto done;
 142
 143         dbus_error_init(&error);
 144
 145         if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
 146                                                 DBUS_TYPE_INVALID) == FALSE) {
 147                 if (dbus_error_is_set(&error) == TRUE) {
 148                         connman_error("%s", error.message);
 149                         dbus_error_free(&error);
 150                 } else
 151                         connman_error("Wrong arguments for add interface");
 152                 goto done;
 153         }
 154
 155         DBG("path %s", path);
 156
 157         task->path = g_strdup(path);
 158         task->created = TRUE;
 159
 160         connman_device_set_powered(task->device, TRUE);
 161
 162 done:
 163         dbus_message_unref(reply);
 164 }
 165
 166 static int add_interface(struct supplicant_task *task)
 167 {
 168         DBusMessage *message;
 169         DBusPendingCall *call;
 170
 171         DBG("task %p", task);
 172
 173         message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
 174                                         SUPPLICANT_INTF, "addInterface");
 175         if (message == NULL)
 176                 return -ENOMEM;
 177
 178         dbus_message_append_args(message, DBUS_TYPE_STRING, &task->ifname,
 179                                                         DBUS_TYPE_INVALID);
 180
 181         if (dbus_connection_send_with_reply(connection, message,
 182                                                 &call, TIMEOUT) == FALSE) {
 183                 connman_error("Failed to add interface");
 184                 dbus_message_unref(message);
 185                 return -EIO;
 186         }
 187
 188         dbus_pending_call_set_notify(call, add_interface_reply, task, NULL);
 189
 190         dbus_message_unref(message);
 191
 192         return -EINPROGRESS;
 193 }
 194
 195 static void get_interface_reply(DBusPendingCall *call, void *user_data)
 196 {
 197         struct supplicant_task *task = user_data;
 198         DBusMessage *reply;
 199         DBusError error;
 200         const char *path;
 201
 202         DBG("task %p", task);
 203
 204         reply = dbus_pending_call_steal_reply(call);
 205         if (reply == NULL)
 206                 return;
 207
 208         if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
 209                 add_interface(task);
 210                 goto done;
 211         }
 212
 213         dbus_error_init(&error);
 214
 215         if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
 216                                                 DBUS_TYPE_INVALID) == FALSE) {
 217                 if (dbus_error_is_set(&error) == TRUE) {
 218                         connman_error("%s", error.message);
 219                         dbus_error_free(&error);
 220                 } else
 221                         connman_error("Wrong arguments for get interface");
 222                 goto done;
 223         }
 224
 225         DBG("path %s", path);
 226
 227         task->path = g_strdup(path);
 228         task->created = FALSE;
 229
 230         connman_device_set_powered(task->device, TRUE);
 231
 232 done:
 233         dbus_message_unref(reply);
 234 }
 235
 236 static int create_interface(struct supplicant_task *task)
 237 {
 238         DBusMessage *message;
 239         DBusPendingCall *call;
 240
 241         DBG("task %p", task);
 242
 243         message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
 244                                         SUPPLICANT_INTF, "getInterface");
 245         if (message == NULL)
 246                 return -ENOMEM;
 247
 248         dbus_message_append_args(message, DBUS_TYPE_STRING, &task->ifname,
 249                                                         DBUS_TYPE_INVALID);
 250
 251         if (dbus_connection_send_with_reply(connection, message,
 252                                                 &call, TIMEOUT) == FALSE) {
 253                 connman_error("Failed to get interface");
 254                 dbus_message_unref(message);
 255                 return -EIO;
 256         }
 257
 258         dbus_pending_call_set_notify(call, get_interface_reply, task, NULL);
 259
 260         dbus_message_unref(message);
 261
 262         return -EINPROGRESS;
 263 }
 264
 265 static void remove_interface_reply(DBusPendingCall *call, void *user_data)
 266 {
 267         struct supplicant_task *task = user_data;
 268         DBusMessage *reply;
 269
 270         DBG("task %p", task);
 271
 272         reply = dbus_pending_call_steal_reply(call);
 273
 274         connman_device_set_powered(task->device, FALSE);
 275
 276         free_task(task);
 277
 278         dbus_message_unref(reply);
 279 }
 280
 281 static int remove_interface(struct supplicant_task *task)
 282 {
 283         DBusMessage *message;
 284         DBusPendingCall *call;
 285
 286         DBG("task %p", task);
 287
 288         if (task->created == FALSE) {
 289                 connman_device_set_powered(task->device, FALSE);
 290                 return 0;
 291         }
 292
 293         message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
 294                                         SUPPLICANT_INTF, "removeInterface");
 295         if (message == NULL)
 296                 return -ENOMEM;
 297
 298         dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->path,
 299                                                         DBUS_TYPE_INVALID);
 300
 301         if (dbus_connection_send_with_reply(connection, message,
 302                                                 &call, TIMEOUT) == FALSE) {
 303                 connman_error("Failed to remove interface");
 304                 dbus_message_unref(message);
 305                 return -EIO;
 306         }
 307
 308         dbus_pending_call_set_notify(call, remove_interface_reply, task, NULL);
 309
 310         dbus_message_unref(message);
 311
 312         return -EINPROGRESS;
 313 }
 314
 315 #if 0
 316 static int set_ap_scan(struct supplicant_task *task)
 317 {
 318         DBusMessage *message, *reply;
 319         DBusError error;
 320         guint32 ap_scan = 1;
 321
 322         DBG("task %p", task);
 323
 324         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 325                                 SUPPLICANT_INTF ".Interface", "setAPScan");
 326         if (message == NULL)
 327                 return -ENOMEM;
 328
 329         dbus_message_append_args(message, DBUS_TYPE_UINT32, &ap_scan,
 330                                                         DBUS_TYPE_INVALID);
 331
 332         dbus_error_init(&error);
 333
 334         reply = dbus_connection_send_with_reply_and_block(connection,
 335                                                         message, -1, &error);
 336         if (reply == NULL) {
 337                 if (dbus_error_is_set(&error) == TRUE) {
 338                         connman_error("%s", error.message);
 339                         dbus_error_free(&error);
 340                 } else
 341                         connman_error("Failed to set AP scan");
 342                 dbus_message_unref(message);
 343                 return -EIO;
 344         }
 345
 346         dbus_message_unref(message);
 347
 348         dbus_message_unref(reply);
 349
 350         return 0;
 351 }
 352 #endif
 353
 354 static int add_network(struct supplicant_task *task)
 355 {
 356         DBusMessage *message, *reply;
 357         DBusError error;
 358         const char *path;
 359
 360         DBG("task %p", task);
 361
 362         if (task->network != NULL)
 363                 return -EALREADY;
 364
 365         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 366                                 SUPPLICANT_INTF ".Interface", "addNetwork");
 367         if (message == NULL)
 368                 return -ENOMEM;
 369
 370         dbus_error_init(&error);
 371
 372         reply = dbus_connection_send_with_reply_and_block(connection,
 373                                                         message, -1, &error);
 374         if (reply == NULL) {
 375                 if (dbus_error_is_set(&error) == TRUE) {
 376                         connman_error("%s", error.message);
 377                         dbus_error_free(&error);
 378                 } else
 379                         connman_error("Failed to add network");
 380                 dbus_message_unref(message);
 381                 return -EIO;
 382         }
 383
 384         dbus_message_unref(message);
 385
 386         dbus_error_init(&error);
 387
 388         if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
 389                                                 DBUS_TYPE_INVALID) == FALSE) {
 390                 if (dbus_error_is_set(&error) == TRUE) {
 391                         connman_error("%s", error.message);
 392                         dbus_error_free(&error);
 393                 } else
 394                         connman_error("Wrong arguments for network");
 395                 dbus_message_unref(reply);
 396                 return -EIO;
 397         }
 398
 399         DBG("path %s", path);
 400
 401         task->network = g_strdup(path);
 402
 403         dbus_message_unref(reply);
 404
 405         return 0;
 406 }
 407
 408 static int remove_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->path,
 419                                 SUPPLICANT_INTF ".Interface", "removeNetwork");
 420         if (message == NULL)
 421                 return -ENOMEM;
 422
 423         dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->network,
 424                                                         DBUS_TYPE_INVALID);
 425
 426         dbus_error_init(&error);
 427
 428         reply = dbus_connection_send_with_reply_and_block(connection,
 429                                                         message, -1, &error);
 430         if (reply == NULL) {
 431                 if (dbus_error_is_set(&error) == TRUE) {
 432                         connman_error("%s", error.message);
 433                         dbus_error_free(&error);
 434                 } else
 435                         connman_error("Failed to remove network");
 436                 dbus_message_unref(message);
 437                 return -EIO;
 438         }
 439
 440         dbus_message_unref(message);
 441
 442         dbus_message_unref(reply);
 443
 444         g_free(task->network);
 445         task->network = NULL;
 446
 447         return 0;
 448 }
 449
 450 static int select_network(struct supplicant_task *task)
 451 {
 452         DBusMessage *message, *reply;
 453         DBusError error;
 454
 455         DBG("task %p", task);
 456
 457         if (task->network == NULL)
 458                 return -EINVAL;
 459
 460         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 461                                 SUPPLICANT_INTF ".Interface", "selectNetwork");
 462         if (message == NULL)
 463                 return -ENOMEM;
 464
 465         dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->network,
 466                                                         DBUS_TYPE_INVALID);
 467
 468         dbus_error_init(&error);
 469
 470         reply = dbus_connection_send_with_reply_and_block(connection,
 471                                                         message, -1, &error);
 472         if (reply == NULL) {
 473                 if (dbus_error_is_set(&error) == TRUE) {
 474                         connman_error("%s", error.message);
 475                         dbus_error_free(&error);
 476                 } else
 477                         connman_error("Failed to select network");
 478                 dbus_message_unref(message);
 479                 return -EIO;
 480         }
 481
 482         dbus_message_unref(message);
 483
 484         dbus_message_unref(reply);
 485
 486         return 0;
 487 }
 488
 489 static int enable_network(struct supplicant_task *task)
 490 {
 491         DBusMessage *message, *reply;
 492         DBusError error;
 493
 494         DBG("task %p", task);
 495
 496         if (task->network == NULL)
 497                 return -EINVAL;
 498
 499         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->network,
 500                                         SUPPLICANT_INTF ".Network", "enable");
 501         if (message == NULL)
 502                 return -ENOMEM;
 503
 504         dbus_error_init(&error);
 505
 506         reply = dbus_connection_send_with_reply_and_block(connection,
 507                                                         message, -1, &error);
 508         if (reply == NULL) {
 509                 if (dbus_error_is_set(&error) == TRUE) {
 510                         connman_error("%s", error.message);
 511                         dbus_error_free(&error);
 512                 } else
 513                         connman_error("Failed to enable network");
 514                 dbus_message_unref(message);
 515                 return -EIO;
 516         }
 517
 518         dbus_message_unref(message);
 519
 520         dbus_message_unref(reply);
 521
 522         return 0;
 523 }
 524
 525 static int disable_network(struct supplicant_task *task)
 526 {
 527         DBusMessage *message, *reply;
 528         DBusError error;
 529
 530         DBG("task %p", task);
 531
 532         if (task->network == NULL)
 533                 return -EINVAL;
 534
 535         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->network,
 536                                         SUPPLICANT_INTF ".Network", "disable");
 537         if (message == NULL)
 538                 return -ENOMEM;
 539
 540         dbus_error_init(&error);
 541
 542         reply = dbus_connection_send_with_reply_and_block(connection,
 543                                                         message, -1, &error);
 544         if (reply == NULL) {
 545                 if (dbus_error_is_set(&error) == TRUE) {
 546                         connman_error("%s", error.message);
 547                         dbus_error_free(&error);
 548                 } else
 549                         connman_error("Failed to disable network");
 550                 dbus_message_unref(message);
 551                 return -EIO;
 552         }
 553
 554         dbus_message_unref(message);
 555
 556         dbus_message_unref(reply);
 557
 558         return 0;
 559 }
 560
 561 static int set_network(struct supplicant_task *task,
 562                                 const unsigned char *network, int len,
 563                                 const char *security, const char *passphrase)
 564 {
 565         DBusMessage *message, *reply;
 566         DBusMessageIter array, dict;
 567         DBusError error;
 568
 569         DBG("task %p", task);
 570
 571         if (task->network == NULL)
 572                 return -EINVAL;
 573
 574         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->network,
 575                                         SUPPLICANT_INTF ".Network", "set");
 576         if (message == NULL)
 577                 return -ENOMEM;
 578
 579         dbus_message_iter_init_append(message, &array);
 580
 581         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 582                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 583                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 584                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 585
 586         connman_dbus_dict_append_array(&dict, "ssid",
 587                                         DBUS_TYPE_BYTE, &network, len);
 588
 589         if (g_ascii_strcasecmp(security, "wpa") == 0 ||
 590                                 g_ascii_strcasecmp(security, "wpa2") == 0) {
 591                 const char *key_mgmt = "WPA-PSK";
 592                 connman_dbus_dict_append_variant(&dict, "key_mgmt",
 593                                                 DBUS_TYPE_STRING, &key_mgmt);
 594
 595                 if (passphrase && strlen(passphrase) > 0)
 596                         connman_dbus_dict_append_variant(&dict, "psk",
 597                                                 DBUS_TYPE_STRING, &passphrase);
 598         } else if (g_ascii_strcasecmp(security, "wep") == 0) {
 599                 const char *key_mgmt = "NONE", *index = "0";
 600                 connman_dbus_dict_append_variant(&dict, "key_mgmt",
 601                                                 DBUS_TYPE_STRING, &key_mgmt);
 602
 603                 if (passphrase) {
 604                         int size = strlen(passphrase);
 605                         if (size == 10 || size == 26) {
 606                                 unsigned char *key = malloc(13);
 607                                 char tmp[3];
 608                                 int i;
 609                                 memset(tmp, 0, sizeof(tmp));
 610                                 if (key == NULL)
 611                                         size = 0;
 612                                 for (i = 0; i < size / 2; i++) {
 613                                         memcpy(tmp, passphrase + (i * 2), 2);
 614                                         key[i] = (unsigned char) strtol(tmp,
 615                                                                 NULL, 16);
 616                                 }
 617                                 connman_dbus_dict_append_array(&dict,
 618                                                 "wep_key0", DBUS_TYPE_BYTE,
 619                                                         &key, size / 2);
 620                                 free(key);
 621                         } else
 622                                 connman_dbus_dict_append_variant(&dict,
 623                                                 "wep_key0", DBUS_TYPE_STRING,
 624                                                                 &passphrase);
 625                         connman_dbus_dict_append_variant(&dict, "wep_tx_keyidx",
 626                                                 DBUS_TYPE_STRING, &index);
 627                 }
 628         } else {
 629                 const char *key_mgmt = "NONE";
 630                 connman_dbus_dict_append_variant(&dict, "key_mgmt",
 631                                                 DBUS_TYPE_STRING, &key_mgmt);
 632         }
 633
 634         dbus_message_iter_close_container(&array, &dict);
 635
 636         dbus_error_init(&error);
 637
 638         reply = dbus_connection_send_with_reply_and_block(connection,
 639                                                         message, -1, &error);
 640         if (reply == NULL) {
 641                 if (dbus_error_is_set(&error) == TRUE) {
 642                         connman_error("%s", error.message);
 643                         dbus_error_free(&error);
 644                 } else
 645                         connman_error("Failed to set network options");
 646                 dbus_message_unref(message);
 647                 return -EIO;
 648         }
 649
 650         dbus_message_unref(message);
 651
 652         dbus_message_unref(reply);
 653
 654         return 0;
 655 }
 656
 657 static int initiate_scan(struct supplicant_task *task)
 658 {
 659         DBusMessage *message;
 660         DBusPendingCall *call;
 661
 662         DBG("task %p", task);
 663
 664         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 665                                         SUPPLICANT_INTF ".Interface", "scan");
 666         if (message == NULL)
 667                 return -ENOMEM;
 668
 669         if (dbus_connection_send_with_reply(connection, message,
 670                                                 &call, TIMEOUT) == FALSE) {
 671                 connman_error("Failed to initiate scan");
 672                 dbus_message_unref(message);
 673                 return -EIO;
 674         }
 675
 676         dbus_message_unref(message);
 677
 678         return 0;
 679 }
 680
 681 static void extract_ssid(DBusMessageIter *value,
 682                                         struct supplicant_result *result)
 683 {
 684         DBusMessageIter array;
 685         unsigned char *ssid;
 686         int ssid_len;
 687
 688         dbus_message_iter_recurse(value, &array);
 689         dbus_message_iter_get_fixed_array(&array, &ssid, &ssid_len);
 690
 691         if (ssid_len < 1)
 692                 return;
 693
 694         result->ssid = g_try_malloc(ssid_len);
 695         if (result->ssid == NULL)
 696                 return;
 697
 698         memcpy(result->ssid, ssid, ssid_len);
 699         result->ssid_len = ssid_len;
 700
 701         result->identifier = g_try_malloc0(ssid_len + 1);
 702         if (result->identifier == NULL)
 703                 return;
 704
 705         memcpy(result->identifier, ssid, ssid_len);
 706 }
 707
 708 static void extract_wpaie(DBusMessageIter *value,
 709                                         struct supplicant_result *result)
 710 {
 711         DBusMessageIter array;
 712         unsigned char *ie;
 713         int ie_len;
 714
 715         dbus_message_iter_recurse(value, &array);
 716         dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
 717
 718         if (ie_len > 0)
 719                 result->has_wpa = TRUE;
 720 }
 721
 722 static void extract_rsnie(DBusMessageIter *value,
 723                                         struct supplicant_result *result)
 724 {
 725         DBusMessageIter array;
 726         unsigned char *ie;
 727         int ie_len;
 728
 729         dbus_message_iter_recurse(value, &array);
 730         dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
 731
 732         if (ie_len > 0)
 733                 result->has_rsn = TRUE;
 734 }
 735
 736 static void extract_capabilites(DBusMessageIter *value,
 737                                         struct supplicant_result *result)
 738 {
 739         dbus_message_iter_get_basic(value, &result->capabilities);
 740
 741         if (result->capabilities & IEEE80211_CAP_ESS)
 742                 result->adhoc = FALSE;
 743         else if (result->capabilities & IEEE80211_CAP_IBSS)
 744                 result->adhoc = TRUE;
 745
 746         if (result->capabilities & IEEE80211_CAP_PRIVACY)
 747                 result->has_wep = TRUE;
 748 }
 749
 750 static int get_properties(struct supplicant_task *task);
 751
 752 static void properties_reply(DBusPendingCall *call, void *user_data)
 753 {
 754         struct supplicant_task *task = user_data;
 755         struct supplicant_result result;
 756         struct connman_network *network;
 757         DBusMessage *reply;
 758         DBusMessageIter array, dict;
 759         char *security, *temp = NULL;
 760         unsigned char strength;
 761         unsigned int i;
 762
 763         DBG("task %p", task);
 764
 765         reply = dbus_pending_call_steal_reply(call);
 766         if (reply == NULL) {
 767                 get_properties(task);
 768                 return;
 769         }
 770
 771         memset(&result, 0, sizeof(result));
 772
 773         dbus_message_iter_init(reply, &array);
 774
 775         dbus_message_iter_recurse(&array, &dict);
 776
 777         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
 778                 DBusMessageIter entry, value;
 779                 const char *key;
 780
 781                 dbus_message_iter_recurse(&dict, &entry);
 782                 dbus_message_iter_get_basic(&entry, &key);
 783
 784                 dbus_message_iter_next(&entry);
 785
 786                 dbus_message_iter_recurse(&entry, &value);
 787
 788                 //type = dbus_message_iter_get_arg_type(&value);
 789                 //dbus_message_iter_get_basic(&value, &val);
 790
 791                 /*
 792                  * bssid        : a (97)
 793                  * ssid         : a (97)
 794                  * wpaie        : a (97)
 795                  * rsnie        : a (97)
 796                  * frequency    : i (105)
 797                  * capabilities : q (113)
 798                  * quality      : i (105)
 799                  * noise        : i (105)
 800                  * level        : i (105)
 801                  * maxrate      : i (105)
 802                  */
 803
 804                 if (g_str_equal(key, "ssid") == TRUE)
 805                         extract_ssid(&value, &result);
 806                 else if (g_str_equal(key, "wpaie") == TRUE)
 807                         extract_wpaie(&value, &result);
 808                 else if (g_str_equal(key, "rsnie") == TRUE)
 809                         extract_rsnie(&value, &result);
 810                 else if (g_str_equal(key, "capabilities") == TRUE)
 811                         extract_capabilites(&value, &result);
 812                 else if (g_str_equal(key, "quality") == TRUE)
 813                         dbus_message_iter_get_basic(&value, &result.quality);
 814                 else if (g_str_equal(key, "noise") == TRUE)
 815                         dbus_message_iter_get_basic(&value, &result.noise);
 816                 else if (g_str_equal(key, "level") == TRUE)
 817                         dbus_message_iter_get_basic(&value, &result.level);
 818                 else if (g_str_equal(key, "maxrate") == TRUE)
 819                         dbus_message_iter_get_basic(&value, &result.maxrate);
 820
 821                 dbus_message_iter_next(&dict);
 822         }
 823
 824         if (result.identifier == NULL)
 825                 goto done;
 826
 827         if (result.identifier[0] == '\0')
 828                 goto done;
 829
 830         temp = g_strdup(result.identifier);
 831         if (temp == NULL)
 832                 goto done;
 833
 834         for (i = 0; i < strlen(temp); i++) {
 835                 char tmp = temp[i];
 836                 if ((tmp < '0' || tmp > '9') && (tmp < 'A' || tmp > 'Z') &&
 837                                                 (tmp < 'a' || tmp > 'z'))
 838                         temp[i] = '_';
 839         }
 840
 841         strength = result.quality;
 842
 843         if (result.has_rsn == TRUE)
 844                 security = "wpa2";
 845         else if (result.has_wpa == TRUE)
 846                 security = "wpa";
 847         else if (result.has_wep == TRUE)
 848                 security = "wep";
 849         else
 850                 security = "none";
 851
 852         network = connman_device_get_network(task->device, temp);
 853         if (network == NULL) {
 854                 const char *mode, *security;
 855                 unsigned char strength;
 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_element *element,
1166                                 const unsigned char *ssid, int ssid_len,
1167                                 const char *security, const char *passphrase)
1168 {
1169         struct supplicant_task *task;
1170
1171         DBG("element %p", element);
1172
1173         task = find_task_by_index(element->index);
1174         if (task == NULL)
1175                 return -ENODEV;
1176
1177         add_network(task);
1178
1179         select_network(task);
1180         disable_network(task);
1181
1182         set_network(task, ssid, ssid_len, security, passphrase);
1183
1184         enable_network(task);
1185
1186         return 0;
1187 }
1188
1189 int __supplicant_disconnect(struct connman_element *element)
1190 {
1191         struct supplicant_task *task;
1192
1193         DBG("element %p", element);
1194
1195         task = find_task_by_index(element->index);
1196         if (task == NULL)
1197                 return -ENODEV;
1198
1199         disable_network(task);
1200
1201         remove_network(task);
1202
1203         return 0;
1204 }
1205
1206 static void supplicant_activate(DBusConnection *conn)
1207 {
1208         DBusMessage *message;
1209
1210         DBG("conn %p", conn);
1211
1212         message = dbus_message_new_method_call(SUPPLICANT_NAME, "/",
1213                                 DBUS_INTERFACE_INTROSPECTABLE, "Introspect");
1214         if (message == NULL)
1215                 return;
1216
1217         dbus_message_set_no_reply(message, TRUE);
1218
1219         dbus_connection_send(conn, message, NULL);
1220
1221         dbus_message_unref(message);
1222 }
1223
1224 static GSList *driver_list = NULL;
1225
1226 static void supplicant_probe(DBusConnection *conn, void *user_data)
1227 {
1228         GSList *list;
1229
1230         DBG("conn %p", conn);
1231
1232         for (list = driver_list; list; list = list->next) {
1233                 struct supplicant_driver *driver = list->data;
1234
1235                 DBG("driver %p name %s", driver, driver->name);
1236
1237                 if (driver->probe)
1238                         driver->probe();
1239         }
1240 }
1241
1242 static void supplicant_remove(DBusConnection *conn, void *user_data)
1243 {
1244         GSList *list;
1245
1246         DBG("conn %p", conn);
1247
1248         for (list = driver_list; list; list = list->next) {
1249                 struct supplicant_driver *driver = list->data;
1250
1251                 DBG("driver %p name %s", driver, driver->name);
1252
1253                 if (driver->remove)
1254                         driver->remove();
1255         }
1256 }
1257
1258 static const char *supplicant_rule = "type=signal,"
1259                                 "interface=" SUPPLICANT_INTF ".Interface";
1260 static guint watch;
1261
1262 static int supplicant_create(void)
1263 {
1264         if (g_slist_length(driver_list) > 0)
1265                 return 0;
1266
1267         connection = connman_dbus_get_connection();
1268         if (connection == NULL)
1269                 return -EIO;
1270
1271         DBG("connection %p", connection);
1272
1273         if (dbus_connection_add_filter(connection,
1274                                 supplicant_filter, NULL, NULL) == FALSE) {
1275                 connection = connman_dbus_get_connection();
1276                 return -EIO;
1277         }
1278
1279         dbus_bus_add_match(connection, supplicant_rule, NULL);
1280         dbus_connection_flush(connection);
1281
1282         watch = g_dbus_add_service_watch(connection, SUPPLICANT_NAME,
1283                         supplicant_probe, supplicant_remove, NULL, NULL);
1284
1285         return 0;
1286 }
1287
1288 static void supplicant_destroy(void)
1289 {
1290         if (g_slist_length(driver_list) > 0)
1291                 return;
1292
1293         DBG("connection %p", connection);
1294
1295         if (watch > 0)
1296                 g_dbus_remove_watch(connection, watch);
1297
1298         dbus_bus_remove_match(connection, supplicant_rule, NULL);
1299         dbus_connection_flush(connection);
1300
1301         dbus_connection_remove_filter(connection, supplicant_filter, NULL);
1302
1303         dbus_connection_unref(connection);
1304         connection = NULL;
1305 }
1306
1307 int supplicant_register(struct supplicant_driver *driver)
1308 {
1309         int err;
1310
1311         DBG("driver %p name %s", driver, driver->name);
1312
1313         err = supplicant_create();
1314         if (err < 0)
1315                 return err;
1316
1317         driver_list = g_slist_append(driver_list, driver);
1318
1319         if (g_dbus_check_service(connection, SUPPLICANT_NAME) == TRUE)
1320                 supplicant_probe(connection, NULL);
1321         else
1322                 supplicant_activate(connection);
1323
1324         return 0;
1325 }
1326
1327 void supplicant_unregister(struct supplicant_driver *driver)
1328 {
1329         DBG("driver %p name %s", driver, driver->name);
1330
1331         supplicant_remove(connection, NULL);
1332
1333         driver_list = g_slist_remove(driver_list, driver);
1334
1335         supplicant_destroy();
1336 }