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 *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         network = connman_device_get_network(task->device, temp);
 844         if (network == NULL) {
 845                 const char *mode, *security;
 846                 unsigned char strength;
 847
 848                 network = connman_network_create(temp,
 849                                                 CONNMAN_NETWORK_TYPE_WIFI);
 850                 if (network == NULL)
 851                         goto done;
 852
 853                 connman_network_set_string(network, "Name", result.identifier);
 854
 855                 connman_network_set_blob(network, "WiFi.SSID",
 856                                                 result.ssid, result.ssid_len);
 857
 858                 mode = (result.adhoc == TRUE) ? "adhoc" : "managed";
 859                 connman_network_set_string(network, "WiFi.Mode", mode);
 860
 861                 if (result.has_rsn == TRUE)
 862                         security = "wpa2";
 863                 else if (result.has_wpa == TRUE)
 864                         security = "wpa";
 865                 else if (result.has_wep == TRUE)
 866                         security = "wep";
 867                 else
 868                         security = "none";
 869                 connman_network_set_string(network, "WiFi.Security", security);
 870
 871                 DBG("%s (%s %s) strength %d", result.identifier, mode,
 872                                                         security, strength);
 873
 874                 if (connman_device_add_network(task->device, network) < 0) {
 875                         connman_network_unref(network);
 876                         goto done;
 877                 }
 878         }
 879
 880         connman_network_set_uint8(network, "Strength", strength);
 881
 882 done:
 883         g_free(result.identifier);
 884         g_free(result.ssid);
 885         g_free(temp);
 886
 887         dbus_message_unref(reply);
 888
 889         get_properties(task);
 890 }
 891
 892 static int get_properties(struct supplicant_task *task)
 893 {
 894         DBusMessage *message;
 895         DBusPendingCall *call;
 896         char *path;
 897
 898         path = g_slist_nth_data(task->scan_results, 0);
 899         if (path == NULL) {
 900                 connman_device_set_scanning(task->device, FALSE);
 901                 return 0;
 902         }
 903
 904         message = dbus_message_new_method_call(SUPPLICANT_NAME, path,
 905                                                 SUPPLICANT_INTF ".BSSID",
 906                                                                 "properties");
 907
 908         task->scan_results = g_slist_remove(task->scan_results, path);
 909         g_free(path);
 910
 911         if (message == NULL)
 912                 return -ENOMEM;
 913
 914         if (dbus_connection_send_with_reply(connection, message,
 915                                                 &call, TIMEOUT) == FALSE) {
 916                 connman_error("Failed to get network properties");
 917                 dbus_message_unref(message);
 918                 return -EIO;
 919         }
 920
 921         dbus_pending_call_set_notify(call, properties_reply, task, NULL);
 922
 923         dbus_message_unref(message);
 924
 925         return 0;
 926 }
 927
 928 static void scan_results_reply(DBusPendingCall *call, void *user_data)
 929 {
 930         struct supplicant_task *task = user_data;
 931         DBusMessage *reply;
 932         DBusError error;
 933         char **results;
 934         int i, num_results;
 935
 936         DBG("task %p", task);
 937
 938         reply = dbus_pending_call_steal_reply(call);
 939         if (reply == NULL) {
 940                 connman_device_set_scanning(task->device, FALSE);
 941                 return;
 942         }
 943
 944         dbus_error_init(&error);
 945
 946         if (dbus_message_get_args(reply, &error,
 947                                 DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH,
 948                                                 &results, &num_results,
 949                                                 DBUS_TYPE_INVALID) == FALSE) {
 950                 if (dbus_error_is_set(&error) == TRUE) {
 951                         connman_error("%s", error.message);
 952                         dbus_error_free(&error);
 953                 } else
 954                         connman_error("Wrong arguments for scan result");
 955                 connman_device_set_scanning(task->device, FALSE);
 956                 goto done;
 957         }
 958
 959         for (i = 0; i < num_results; i++) {
 960                 char *path = g_strdup(results[i]);
 961                 if (path == NULL)
 962                         continue;
 963
 964                 task->scan_results = g_slist_append(task->scan_results, path);
 965         }
 966
 967         g_strfreev(results);
 968
 969         get_properties(task);
 970
 971 done:
 972         dbus_message_unref(reply);
 973 }
 974
 975 static int scan_results_available(struct supplicant_task *task)
 976 {
 977         DBusMessage *message;
 978         DBusPendingCall *call;
 979
 980         DBG("task %p", task);
 981
 982         message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
 983                                                 SUPPLICANT_INTF ".Interface",
 984                                                         "scanResults");
 985         if (message == NULL)
 986                 return -ENOMEM;
 987
 988         if (dbus_connection_send_with_reply(connection, message,
 989                                                 &call, TIMEOUT) == FALSE) {
 990                 connman_error("Failed to request scan result");
 991                 dbus_message_unref(message);
 992                 return -EIO;
 993         }
 994
 995         connman_device_set_scanning(task->device, TRUE);
 996
 997         dbus_pending_call_set_notify(call, scan_results_reply, task, NULL);
 998
 999         dbus_message_unref(message);
1000
1001         return 0;
1002 }
1003
1004 static void state_change(struct supplicant_task *task, DBusMessage *msg)
1005 {
1006         DBusError error;
1007         const char *state, *previous;
1008
1009         dbus_error_init(&error);
1010
1011         if (dbus_message_get_args(msg, &error, DBUS_TYPE_STRING, &state,
1012                                                 DBUS_TYPE_STRING, &previous,
1013                                                 DBUS_TYPE_INVALID) == FALSE) {
1014                 if (dbus_error_is_set(&error) == TRUE) {
1015                         connman_error("%s", error.message);
1016                         dbus_error_free(&error);
1017                 } else
1018                         connman_error("Wrong arguments for state change");
1019                 return;
1020         }
1021
1022         DBG("state %s ==> %s", previous, state);
1023
1024         if (g_str_equal(state, "INACTIVE") == TRUE)
1025                 task->state = STATE_INACTIVE;
1026         else if (g_str_equal(state, "SCANNING") == TRUE)
1027                 task->state = STATE_SCANNING;
1028         else if (g_str_equal(state, "ASSOCIATING") == TRUE)
1029                 task->state = STATE_ASSOCIATING;
1030         else if (g_str_equal(state, "ASSOCIATED") == TRUE)
1031                 task->state = STATE_ASSOCIATED;
1032         else if (g_str_equal(state, "GROUP_HANDSHAKE") == TRUE)
1033                 task->state = STATE_GROUP_HANDSHAKE;
1034         else if (g_str_equal(state, "4WAY_HANDSHAKE") == TRUE)
1035                 task->state = STATE_4WAY_HANDSHAKE;
1036         else if (g_str_equal(state, "COMPLETED") == TRUE)
1037                 task->state = STATE_COMPLETED;
1038         else if (g_str_equal(state, "DISCONNECTED") == TRUE)
1039                 task->state = STATE_DISCONNECTED;
1040
1041         if (task->state == STATE_SCANNING)
1042                 connman_device_set_scanning(task->device, TRUE);
1043
1044         switch (task->state) {
1045         case STATE_COMPLETED:
1046                 /* carrier on */
1047                 break;
1048         case STATE_DISCONNECTED:
1049                 /* carrier off */
1050                 break;
1051         default:
1052                 break;
1053         }
1054 }
1055
1056 static DBusHandlerResult supplicant_filter(DBusConnection *conn,
1057                                                 DBusMessage *msg, void *data)
1058 {
1059         struct supplicant_task *task;
1060         const char *member, *path;
1061
1062         if (dbus_message_has_interface(msg,
1063                                 SUPPLICANT_INTF ".Interface") == FALSE)
1064                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1065
1066         member = dbus_message_get_member(msg);
1067         if (member == NULL)
1068                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1069
1070         path = dbus_message_get_path(msg);
1071         if (path == NULL)
1072                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1073
1074         task = find_task_by_path(path);
1075         if (task == NULL)
1076                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1077
1078         DBG("task %p member %s", task, member);
1079
1080         if (g_str_equal(member, "ScanResultsAvailable") == TRUE)
1081                 scan_results_available(task);
1082         else if (g_str_equal(member, "StateChange") == TRUE)
1083                 state_change(task, msg);
1084
1085         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1086 }
1087
1088 int supplicant_start(struct connman_device *device)
1089 {
1090         struct supplicant_task *task;
1091
1092         DBG("device %p", device);
1093
1094         task = g_try_new0(struct supplicant_task, 1);
1095         if (task == NULL)
1096                 return -ENOMEM;
1097
1098         task->ifindex = connman_device_get_index(device);
1099         task->ifname = inet_index2name(task->ifindex);
1100         task->device = device;
1101
1102         if (task->ifname == NULL) {
1103                 g_free(task);
1104                 return -ENOMEM;
1105         }
1106
1107         task->created = FALSE;
1108         task->state = STATE_INACTIVE;
1109
1110         task_list = g_slist_append(task_list, task);
1111
1112         return create_interface(task);
1113 }
1114
1115 int supplicant_stop(struct connman_device *device)
1116 {
1117         int index = connman_device_get_index(device);
1118         struct supplicant_task *task;
1119
1120         DBG("device %p", device);
1121
1122         task = find_task_by_index(index);
1123         if (task == NULL)
1124                 return -ENODEV;
1125
1126         task_list = g_slist_remove(task_list, task);
1127
1128         disable_network(task);
1129
1130         remove_network(task);
1131
1132         return remove_interface(task);
1133 }
1134
1135 int supplicant_scan(struct connman_device *device)
1136 {
1137         int index = connman_device_get_index(device);
1138         struct supplicant_task *task;
1139         int err;
1140
1141         DBG("device %p", device);
1142
1143         task = find_task_by_index(index);
1144         if (task == NULL)
1145                 return -ENODEV;
1146
1147         switch (task->state) {
1148         case STATE_SCANNING:
1149                 return -EALREADY;
1150         case STATE_ASSOCIATING:
1151         case STATE_ASSOCIATED:
1152         case STATE_4WAY_HANDSHAKE:
1153         case STATE_GROUP_HANDSHAKE:
1154                 return -EBUSY;
1155         default:
1156                 break;
1157         }
1158
1159         err = initiate_scan(task);
1160
1161         return 0;
1162 }
1163
1164 int __supplicant_connect(struct connman_element *element,
1165                                 const unsigned char *ssid, int ssid_len,
1166                                 const char *security, const char *passphrase)
1167 {
1168         struct supplicant_task *task;
1169
1170         DBG("element %p", element);
1171
1172         task = find_task_by_index(element->index);
1173         if (task == NULL)
1174                 return -ENODEV;
1175
1176         add_network(task);
1177
1178         select_network(task);
1179         disable_network(task);
1180
1181         set_network(task, ssid, ssid_len, security, passphrase);
1182
1183         enable_network(task);
1184
1185         return 0;
1186 }
1187
1188 int __supplicant_disconnect(struct connman_element *element)
1189 {
1190         struct supplicant_task *task;
1191
1192         DBG("element %p", element);
1193
1194         task = find_task_by_index(element->index);
1195         if (task == NULL)
1196                 return -ENODEV;
1197
1198         disable_network(task);
1199
1200         remove_network(task);
1201
1202         return 0;
1203 }
1204
1205 static void supplicant_activate(DBusConnection *conn)
1206 {
1207         DBusMessage *message;
1208
1209         DBG("conn %p", conn);
1210
1211         message = dbus_message_new_method_call(SUPPLICANT_NAME, "/",
1212                                 DBUS_INTERFACE_INTROSPECTABLE, "Introspect");
1213         if (message == NULL)
1214                 return;
1215
1216         dbus_message_set_no_reply(message, TRUE);
1217
1218         dbus_connection_send(conn, message, NULL);
1219
1220         dbus_message_unref(message);
1221 }
1222
1223 static GSList *driver_list = NULL;
1224
1225 static void supplicant_probe(DBusConnection *conn, void *user_data)
1226 {
1227         GSList *list;
1228
1229         DBG("conn %p", conn);
1230
1231         for (list = driver_list; list; list = list->next) {
1232                 struct supplicant_driver *driver = list->data;
1233
1234                 DBG("driver %p name %s", driver, driver->name);
1235
1236                 if (driver->probe)
1237                         driver->probe();
1238         }
1239 }
1240
1241 static void supplicant_remove(DBusConnection *conn, void *user_data)
1242 {
1243         GSList *list;
1244
1245         DBG("conn %p", conn);
1246
1247         for (list = driver_list; list; list = list->next) {
1248                 struct supplicant_driver *driver = list->data;
1249
1250                 DBG("driver %p name %s", driver, driver->name);
1251
1252                 if (driver->remove)
1253                         driver->remove();
1254         }
1255 }
1256
1257 static const char *supplicant_rule = "type=signal,"
1258                                 "interface=" SUPPLICANT_INTF ".Interface";
1259 static guint watch;
1260
1261 static int supplicant_create(void)
1262 {
1263         if (g_slist_length(driver_list) > 0)
1264                 return 0;
1265
1266         connection = connman_dbus_get_connection();
1267         if (connection == NULL)
1268                 return -EIO;
1269
1270         DBG("connection %p", connection);
1271
1272         if (dbus_connection_add_filter(connection,
1273                                 supplicant_filter, NULL, NULL) == FALSE) {
1274                 connection = connman_dbus_get_connection();
1275                 return -EIO;
1276         }
1277
1278         dbus_bus_add_match(connection, supplicant_rule, NULL);
1279         dbus_connection_flush(connection);
1280
1281         watch = g_dbus_add_service_watch(connection, SUPPLICANT_NAME,
1282                         supplicant_probe, supplicant_remove, NULL, NULL);
1283
1284         return 0;
1285 }
1286
1287 static void supplicant_destroy(void)
1288 {
1289         if (g_slist_length(driver_list) > 0)
1290                 return;
1291
1292         DBG("connection %p", connection);
1293
1294         if (watch > 0)
1295                 g_dbus_remove_watch(connection, watch);
1296
1297         dbus_bus_remove_match(connection, supplicant_rule, NULL);
1298         dbus_connection_flush(connection);
1299
1300         dbus_connection_remove_filter(connection, supplicant_filter, NULL);
1301
1302         dbus_connection_unref(connection);
1303         connection = NULL;
1304 }
1305
1306 int supplicant_register(struct supplicant_driver *driver)
1307 {
1308         int err;
1309
1310         DBG("driver %p name %s", driver, driver->name);
1311
1312         err = supplicant_create();
1313         if (err < 0)
1314                 return err;
1315
1316         driver_list = g_slist_append(driver_list, driver);
1317
1318         if (g_dbus_check_service(connection, SUPPLICANT_NAME) == TRUE)
1319                 supplicant_probe(connection, NULL);
1320         else
1321                 supplicant_activate(connection);
1322
1323         return 0;
1324 }
1325
1326 void supplicant_unregister(struct supplicant_driver *driver)
1327 {
1328         DBG("driver %p name %s", driver, driver->name);
1329
1330         supplicant_remove(connection, NULL);
1331
1332         driver_list = g_slist_remove(driver_list, driver);
1333
1334         supplicant_destroy();
1335 }