wpa_supplicant/dbus/dbus_new.c

   1 /*
   2  * WPA Supplicant / dbus-based control interface
   3  * Copyright (c) 2006, Dan Williams <dcbw@redhat.com> and Red Hat, Inc.
   4  * Copyright (c) 2009, Witold Sowa <witold.sowa@gmail.com>
   5  * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
   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  * Alternatively, this software may be distributed under the terms of BSD
  12  * license.
  13  *
  14  * See README and COPYING for more details.
  15  */
  16
  17 #include "includes.h"
  18
  19 #include "common.h"
  20 #include "wps/wps.h"
  21 #include "../config.h"
  22 #include "../wpa_supplicant_i.h"
  23 #include "../bss.h"
  24 #include "dbus_new_helpers.h"
  25 #include "dbus_dict_helpers.h"
  26 #include "dbus_new.h"
  27 #include "dbus_new_handlers.h"
  28 #include "dbus_common.h"
  29 #include "dbus_common_i.h"
  30
  31
  32 /**
  33  * wpas_dbus_signal_interface - Send a interface related event signal
  34  * @wpa_s: %wpa_supplicant network interface data
  35  * @sig_name: signal name - InterfaceAdded or InterfaceRemoved
  36  * @properties: Whether to add second argument with object properties
  37  *
  38  * Notify listeners about event related with interface
  39  */
  40 static void wpas_dbus_signal_interface(struct wpa_supplicant *wpa_s,
  41                                        const char *sig_name, int properties)
  42 {
  43         struct wpas_dbus_priv *iface;
  44         DBusMessage *msg;
  45         DBusMessageIter iter, iter_dict;
  46
  47         iface = wpa_s->global->dbus;
  48
  49         /* Do nothing if the control interface is not turned on */
  50         if (iface == NULL)
  51                 return;
  52
  53         msg = dbus_message_new_signal(WPAS_DBUS_NEW_PATH,
  54                                       WPAS_DBUS_NEW_INTERFACE, sig_name);
  55         if (msg == NULL)
  56                 return;
  57
  58         dbus_message_iter_init_append(msg, &iter);
  59         if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_OBJECT_PATH,
  60                                             &wpa_s->dbus_new_path))
  61                 goto err;
  62
  63         if (properties) {
  64                 if (!wpa_dbus_dict_open_write(&iter, &iter_dict))
  65                         goto err;
  66
  67                 wpa_dbus_get_object_properties(iface, wpa_s->dbus_new_path,
  68                                                WPAS_DBUS_NEW_IFACE_INTERFACE,
  69                                                &iter_dict);
  70
  71                 if (!wpa_dbus_dict_close_write(&iter, &iter_dict))
  72                         goto err;
  73         }
  74
  75         dbus_connection_send(iface->con, msg, NULL);
  76         dbus_message_unref(msg);
  77         return;
  78
  79 err:
  80         wpa_printf(MSG_ERROR, "dbus: Failed to construct signal");
  81         dbus_message_unref(msg);
  82 }
  83
  84
  85 /**
  86  * wpas_dbus_signal_interface_added - Send a interface created signal
  87  * @wpa_s: %wpa_supplicant network interface data
  88  *
  89  * Notify listeners about creating new interface
  90  */
  91 static void wpas_dbus_signal_interface_added(struct wpa_supplicant *wpa_s)
  92 {
  93         wpas_dbus_signal_interface(wpa_s, "InterfaceAdded", TRUE);
  94 }
  95
  96
  97 /**
  98  * wpas_dbus_signal_interface_removed - Send a interface removed signal
  99  * @wpa_s: %wpa_supplicant network interface data
 100  *
 101  * Notify listeners about removing interface
 102  */
 103 static void wpas_dbus_signal_interface_removed(struct wpa_supplicant *wpa_s)
 104 {
 105         wpas_dbus_signal_interface(wpa_s, "InterfaceRemoved", FALSE);
 106
 107 }
 108
 109
 110 /**
 111  * wpas_dbus_signal_scan_done - send scan done signal
 112  * @wpa_s: %wpa_supplicant network interface data
 113  * @success: indicates if scanning succeed or failed
 114  *
 115  * Notify listeners about finishing a scan
 116  */
 117 void wpas_dbus_signal_scan_done(struct wpa_supplicant *wpa_s, int success)
 118 {
 119         struct wpas_dbus_priv *iface;
 120         DBusMessage *msg;
 121         dbus_bool_t succ;
 122
 123         iface = wpa_s->global->dbus;
 124
 125         /* Do nothing if the control interface is not turned on */
 126         if (iface == NULL)
 127                 return;
 128
 129         msg = dbus_message_new_signal(wpa_s->dbus_new_path,
 130                                       WPAS_DBUS_NEW_IFACE_INTERFACE,
 131                                       "ScanDone");
 132         if (msg == NULL)
 133                 return;
 134
 135         succ = success ? TRUE : FALSE;
 136         if (dbus_message_append_args(msg, DBUS_TYPE_BOOLEAN, &succ,
 137                                      DBUS_TYPE_INVALID))
 138                 dbus_connection_send(iface->con, msg, NULL);
 139         else
 140                 wpa_printf(MSG_ERROR, "dbus: Failed to construct signal");
 141         dbus_message_unref(msg);
 142 }
 143
 144
 145 /**
 146  * wpas_dbus_signal_blob - Send a BSS related event signal
 147  * @wpa_s: %wpa_supplicant network interface data
 148  * @bss_obj_path: BSS object path
 149  * @sig_name: signal name - BSSAdded or BSSRemoved
 150  * @properties: Whether to add second argument with object properties
 151  *
 152  * Notify listeners about event related with BSS
 153  */
 154 static void wpas_dbus_signal_bss(struct wpa_supplicant *wpa_s,
 155                                  const char *bss_obj_path,
 156                                  const char *sig_name, int properties)
 157 {
 158         struct wpas_dbus_priv *iface;
 159         DBusMessage *msg;
 160         DBusMessageIter iter, iter_dict;
 161
 162         iface = wpa_s->global->dbus;
 163
 164         /* Do nothing if the control interface is not turned on */
 165         if (iface == NULL)
 166                 return;
 167
 168         msg = dbus_message_new_signal(wpa_s->dbus_new_path,
 169                                       WPAS_DBUS_NEW_IFACE_INTERFACE,
 170                                       sig_name);
 171         if (msg == NULL)
 172                 return;
 173
 174         dbus_message_iter_init_append(msg, &iter);
 175         if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_OBJECT_PATH,
 176                                             &bss_obj_path))
 177                 goto err;
 178
 179         if (properties) {
 180                 if (!wpa_dbus_dict_open_write(&iter, &iter_dict))
 181                         goto err;
 182
 183                 wpa_dbus_get_object_properties(iface, bss_obj_path,
 184                                                WPAS_DBUS_NEW_IFACE_BSSID,
 185                                                &iter_dict);
 186
 187                 if (!wpa_dbus_dict_close_write(&iter, &iter_dict))
 188                         goto err;
 189         }
 190
 191         dbus_connection_send(iface->con, msg, NULL);
 192         dbus_message_unref(msg);
 193         return;
 194
 195 err:
 196         wpa_printf(MSG_ERROR, "dbus: Failed to construct signal");
 197         dbus_message_unref(msg);
 198 }
 199
 200
 201 /**
 202  * wpas_dbus_signal_bss_added - Send a BSS added signal
 203  * @wpa_s: %wpa_supplicant network interface data
 204  * @bss_obj_path: new BSS object path
 205  *
 206  * Notify listeners about adding new BSS
 207  */
 208 static void wpas_dbus_signal_bss_added(struct wpa_supplicant *wpa_s,
 209                                        const char *bss_obj_path)
 210 {
 211         wpas_dbus_signal_bss(wpa_s, bss_obj_path, "BSSAdded", TRUE);
 212 }
 213
 214
 215 /**
 216  * wpas_dbus_signal_bss_removed - Send a BSS removed signal
 217  * @wpa_s: %wpa_supplicant network interface data
 218  * @bss_obj_path: BSS object path
 219  *
 220  * Notify listeners about removing BSS
 221  */
 222 static void wpas_dbus_signal_bss_removed(struct wpa_supplicant *wpa_s,
 223                                          const char *bss_obj_path)
 224 {
 225         wpas_dbus_signal_bss(wpa_s, bss_obj_path, "BSSRemoved", FALSE);
 226 }
 227
 228
 229 /**
 230  * wpas_dbus_signal_blob - Send a blob related event signal
 231  * @wpa_s: %wpa_supplicant network interface data
 232  * @name: blob name
 233  * @sig_name: signal name - BlobAdded or BlobRemoved
 234  *
 235  * Notify listeners about event related with blob
 236  */
 237 static void wpas_dbus_signal_blob(struct wpa_supplicant *wpa_s,
 238                                   const char *name, const char *sig_name)
 239 {
 240         struct wpas_dbus_priv *iface;
 241         DBusMessage *msg;
 242
 243         iface = wpa_s->global->dbus;
 244
 245         /* Do nothing if the control interface is not turned on */
 246         if (iface == NULL)
 247                 return;
 248
 249         msg = dbus_message_new_signal(wpa_s->dbus_new_path,
 250                                       WPAS_DBUS_NEW_IFACE_INTERFACE,
 251                                       sig_name);
 252         if (msg == NULL)
 253                 return;
 254
 255         if (dbus_message_append_args(msg, DBUS_TYPE_STRING, &name,
 256                                      DBUS_TYPE_INVALID))
 257                 dbus_connection_send(iface->con, msg, NULL);
 258         else
 259                 wpa_printf(MSG_ERROR, "dbus: Failed to construct signal");
 260         dbus_message_unref(msg);
 261 }
 262
 263
 264 /**
 265  * wpas_dbus_signal_blob_added - Send a blob added signal
 266  * @wpa_s: %wpa_supplicant network interface data
 267  * @name: blob name
 268  *
 269  * Notify listeners about adding a new blob
 270  */
 271 void wpas_dbus_signal_blob_added(struct wpa_supplicant *wpa_s,
 272                                  const char *name)
 273 {
 274         wpas_dbus_signal_blob(wpa_s, name, "BlobAdded");
 275 }
 276
 277
 278 /**
 279  * wpas_dbus_signal_blob_removed - Send a blob removed signal
 280  * @wpa_s: %wpa_supplicant network interface data
 281  * @name: blob name
 282  *
 283  * Notify listeners about removing blob
 284  */
 285 void wpas_dbus_signal_blob_removed(struct wpa_supplicant *wpa_s,
 286                                    const char *name)
 287 {
 288         wpas_dbus_signal_blob(wpa_s, name, "BlobRemoved");
 289 }
 290
 291
 292 /**
 293  * wpas_dbus_signal_network - Send a network related event signal
 294  * @wpa_s: %wpa_supplicant network interface data
 295  * @id: new network id
 296  * @sig_name: signal name - NetworkAdded, NetworkRemoved or NetworkSelected
 297  * @properties: determines if add second argument with object properties
 298  *
 299  * Notify listeners about event related with configured network
 300  */
 301 static void wpas_dbus_signal_network(struct wpa_supplicant *wpa_s,
 302                                      int id, const char *sig_name,
 303                                      int properties)
 304 {
 305         struct wpas_dbus_priv *iface;
 306         DBusMessage *msg;
 307         DBusMessageIter iter, iter_dict;
 308         char net_obj_path[WPAS_DBUS_OBJECT_PATH_MAX], *path;
 309
 310         iface = wpa_s->global->dbus;
 311
 312         /* Do nothing if the control interface is not turned on */
 313         if (iface == NULL)
 314                 return;
 315
 316         os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
 317                     "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%u",
 318                     wpa_s->dbus_new_path, id);
 319
 320         msg = dbus_message_new_signal(wpa_s->dbus_new_path,
 321                                       WPAS_DBUS_NEW_IFACE_INTERFACE,
 322                                       sig_name);
 323         if (msg == NULL)
 324                 return;
 325
 326         dbus_message_iter_init_append(msg, &iter);
 327         path = net_obj_path;
 328         if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_OBJECT_PATH,
 329                                             &path))
 330                 goto err;
 331
 332         if (properties) {
 333                 if (!wpa_dbus_dict_open_write(&iter, &iter_dict))
 334                         goto err;
 335
 336                 wpa_dbus_get_object_properties(iface, net_obj_path,
 337                                                WPAS_DBUS_NEW_IFACE_NETWORK,
 338                                                &iter_dict);
 339
 340                 if (!wpa_dbus_dict_close_write(&iter, &iter_dict))
 341                         goto err;
 342         }
 343
 344         dbus_connection_send(iface->con, msg, NULL);
 345
 346         dbus_message_unref(msg);
 347         return;
 348
 349 err:
 350         wpa_printf(MSG_ERROR, "dbus: Failed to construct signal");
 351         dbus_message_unref(msg);
 352 }
 353
 354
 355 /**
 356  * wpas_dbus_signal_network_added - Send a network added signal
 357  * @wpa_s: %wpa_supplicant network interface data
 358  * @id: new network id
 359  *
 360  * Notify listeners about adding new network
 361  */
 362 static void wpas_dbus_signal_network_added(struct wpa_supplicant *wpa_s,
 363                                            int id)
 364 {
 365         wpas_dbus_signal_network(wpa_s, id, "NetworkAdded", TRUE);
 366 }
 367
 368
 369 /**
 370  * wpas_dbus_signal_network_removed - Send a network removed signal
 371  * @wpa_s: %wpa_supplicant network interface data
 372  * @id: network id
 373  *
 374  * Notify listeners about removing a network
 375  */
 376 static void wpas_dbus_signal_network_removed(struct wpa_supplicant *wpa_s,
 377                                              int id)
 378 {
 379         wpas_dbus_signal_network(wpa_s, id, "NetworkRemoved", FALSE);
 380 }
 381
 382
 383 /**
 384  * wpas_dbus_signal_network_selected - Send a network selected signal
 385  * @wpa_s: %wpa_supplicant network interface data
 386  * @id: network id
 387  *
 388  * Notify listeners about selecting a network
 389  */
 390 void wpas_dbus_signal_network_selected(struct wpa_supplicant *wpa_s, int id)
 391 {
 392         wpas_dbus_signal_network(wpa_s, id, "NetworkSelected", FALSE);
 393 }
 394
 395
 396 static void str_to_lower(char *s)
 397 {
 398         while (*s) {
 399                 *s = tolower(*s);
 400                 s++;
 401         }
 402 }
 403
 404
 405 /**
 406  * wpas_dbus_signal_state_changed - Send a state changed signal
 407  * @wpa_s: %wpa_supplicant network interface data
 408  * @new_state: new state wpa_supplicant is entering
 409  * @old_state: old state wpa_supplicant is leaving
 410  *
 411  * Notify listeners that wpa_supplicant has changed state
 412  */
 413 void wpas_dbus_signal_state_changed(struct wpa_supplicant *wpa_s,
 414                                     enum wpa_states new_state,
 415                                     enum wpa_states old_state)
 416 {
 417         struct wpas_dbus_priv *iface;
 418         DBusMessage *msg;
 419         char *new_state_str, *old_state_str;
 420
 421         /* Do nothing if the control interface is not turned on */
 422         if (wpa_s->global == NULL)
 423                 return;
 424         iface = wpa_s->global->dbus;
 425         if (iface == NULL)
 426                 return;
 427
 428         /* Only send signal if state really changed */
 429         if (new_state == old_state)
 430                 return;
 431
 432         msg = dbus_message_new_signal(wpa_s->dbus_new_path,
 433                                       WPAS_DBUS_NEW_IFACE_INTERFACE,
 434                                       "StateChanged");
 435         if (msg == NULL)
 436                 return;
 437
 438         new_state_str = os_strdup(wpa_supplicant_state_txt(new_state));
 439         old_state_str = os_strdup(wpa_supplicant_state_txt(old_state));
 440         if (new_state_str == NULL || old_state_str == NULL)
 441                 goto out;
 442
 443         /* make state string lowercase to fit new DBus API convention */
 444         str_to_lower(new_state_str);
 445         str_to_lower(old_state_str);
 446
 447         if (!dbus_message_append_args(msg,
 448                                       DBUS_TYPE_STRING, &new_state_str,
 449                                       DBUS_TYPE_STRING, &old_state_str,
 450                                       DBUS_TYPE_INVALID)) {
 451                 wpa_printf(MSG_ERROR, "dbus: Failed to construct state change "
 452                            "signal");
 453                 goto out;
 454         }
 455
 456         dbus_connection_send(iface->con, msg, NULL);
 457
 458 out:
 459         dbus_message_unref(msg);
 460         os_free(new_state_str);
 461         os_free(old_state_str);
 462 }
 463
 464
 465 /**
 466  * wpas_dbus_signal_network_enabled_changed - Signals Enabled property changes
 467  * @wpa_s: %wpa_supplicant network interface data
 468  * @ssid: configured network which Enabled property has changed
 469  *
 470  * Sends PropertyChanged signals containing new value of Enabled property
 471  * for specified network
 472  */
 473 void wpas_dbus_signal_network_enabled_changed(struct wpa_supplicant *wpa_s,
 474                                               struct wpa_ssid *ssid)
 475 {
 476
 477         struct network_handler_args args = { wpa_s, ssid };
 478         char path[WPAS_DBUS_OBJECT_PATH_MAX];
 479         os_snprintf(path, WPAS_DBUS_OBJECT_PATH_MAX,
 480                     "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%d",
 481                     wpa_s->dbus_new_path, ssid->id);
 482
 483         wpa_dbus_signal_property_changed(wpa_s->global->dbus,
 484                                          (WPADBusPropertyAccessor)
 485                                          wpas_dbus_getter_enabled, &args,
 486                                          path, WPAS_DBUS_NEW_IFACE_NETWORK,
 487                                          "Enabled");
 488 }
 489
 490
 491 #ifdef CONFIG_WPS
 492
 493 /**
 494  * wpas_dbus_signal_wps_event_success - Signals Success WPS event
 495  * @wpa_s: %wpa_supplicant network interface data
 496  *
 497  * Sends Event dbus signal with name "success" and empty dict as arguments
 498  */
 499 void wpas_dbus_signal_wps_event_success(struct wpa_supplicant *wpa_s)
 500 {
 501
 502         DBusMessage *msg;
 503         DBusMessageIter iter, dict_iter;
 504         struct wpas_dbus_priv *iface;
 505         char *key = "success";
 506
 507         iface = wpa_s->global->dbus;
 508
 509         /* Do nothing if the control interface is not turned on */
 510         if (iface == NULL)
 511                 return;
 512
 513         msg = dbus_message_new_signal(wpa_s->dbus_new_path,
 514                                       WPAS_DBUS_NEW_IFACE_WPS, "Event");
 515         if (msg == NULL)
 516                 return;
 517
 518         dbus_message_iter_init_append(msg, &iter);
 519
 520         if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &key) ||
 521             !wpa_dbus_dict_open_write(&iter, &dict_iter) ||
 522             !wpa_dbus_dict_close_write(&iter, &dict_iter))
 523                 wpa_printf(MSG_ERROR, "dbus: Failed to construct signal");
 524         else
 525                 dbus_connection_send(iface->con, msg, NULL);
 526
 527         dbus_message_unref(msg);
 528 }
 529
 530
 531 /**
 532  * wpas_dbus_signal_wps_event_fail - Signals Fail WPS event
 533  * @wpa_s: %wpa_supplicant network interface data
 534  *
 535  * Sends Event dbus signal with name "fail" and dictionary containing
 536  * "msg field with fail message number (int32) as arguments
 537  */
 538 void wpas_dbus_signal_wps_event_fail(struct wpa_supplicant *wpa_s,
 539                                      struct wps_event_fail *fail)
 540 {
 541
 542         DBusMessage *msg;
 543         DBusMessageIter iter, dict_iter;
 544         struct wpas_dbus_priv *iface;
 545         char *key = "fail";
 546
 547         iface = wpa_s->global->dbus;
 548
 549         /* Do nothing if the control interface is not turned on */
 550         if (iface == NULL)
 551                 return;
 552
 553         msg = dbus_message_new_signal(wpa_s->dbus_new_path,
 554                                       WPAS_DBUS_NEW_IFACE_WPS, "Event");
 555         if (msg == NULL)
 556                 return;
 557
 558         dbus_message_iter_init_append(msg, &iter);
 559
 560         if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &key) ||
 561             !wpa_dbus_dict_open_write(&iter, &dict_iter) ||
 562             !wpa_dbus_dict_append_int32(&dict_iter, "msg", fail->msg) ||
 563             !wpa_dbus_dict_close_write(&iter, &dict_iter))
 564                 wpa_printf(MSG_ERROR, "dbus: Failed to construct signal");
 565         else
 566                 dbus_connection_send(iface->con, msg, NULL);
 567
 568         dbus_message_unref(msg);
 569 }
 570
 571
 572 /**
 573  * wpas_dbus_signal_wps_event_m2d - Signals M2D WPS event
 574  * @wpa_s: %wpa_supplicant network interface data
 575  *
 576  * Sends Event dbus signal with name "m2d" and dictionary containing
 577  * fields of wps_event_m2d structure.
 578  */
 579 void wpas_dbus_signal_wps_event_m2d(struct wpa_supplicant *wpa_s,
 580                                     struct wps_event_m2d *m2d)
 581 {
 582
 583         DBusMessage *msg;
 584         DBusMessageIter iter, dict_iter;
 585         struct wpas_dbus_priv *iface;
 586         char *key = "m2d";
 587
 588         iface = wpa_s->global->dbus;
 589
 590         /* Do nothing if the control interface is not turned on */
 591         if (iface == NULL)
 592                 return;
 593
 594         msg = dbus_message_new_signal(wpa_s->dbus_new_path,
 595                                       WPAS_DBUS_NEW_IFACE_WPS, "Event");
 596         if (msg == NULL)
 597                 return;
 598
 599         dbus_message_iter_init_append(msg, &iter);
 600
 601         if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &key) ||
 602             !wpa_dbus_dict_open_write(&iter, &dict_iter) ||
 603             !wpa_dbus_dict_append_uint16(&dict_iter, "config_methods",
 604                                          m2d->config_methods) ||
 605             !wpa_dbus_dict_append_byte_array(&dict_iter, "manufacturer",
 606                                              (const char *) m2d->manufacturer,
 607                                              m2d->manufacturer_len) ||
 608             !wpa_dbus_dict_append_byte_array(&dict_iter, "model_name",
 609                                              (const char *) m2d->model_name,
 610                                              m2d->model_name_len) ||
 611             !wpa_dbus_dict_append_byte_array(&dict_iter, "model_number",
 612                                              (const char *) m2d->model_number,
 613                                              m2d->model_number_len) ||
 614             !wpa_dbus_dict_append_byte_array(&dict_iter, "serial_number",
 615                                              (const char *)
 616                                              m2d->serial_number,
 617                                              m2d->serial_number_len) ||
 618             !wpa_dbus_dict_append_byte_array(&dict_iter, "dev_name",
 619                                              (const char *) m2d->dev_name,
 620                                              m2d->dev_name_len) ||
 621             !wpa_dbus_dict_append_byte_array(&dict_iter, "primary_dev_type",
 622                                              (const char *)
 623                                              m2d->primary_dev_type, 8) ||
 624             !wpa_dbus_dict_append_uint16(&dict_iter, "config_error",
 625                                          m2d->config_error) ||
 626             !wpa_dbus_dict_append_uint16(&dict_iter, "dev_password_id",
 627                                          m2d->dev_password_id) ||
 628             !wpa_dbus_dict_close_write(&iter, &dict_iter))
 629                 wpa_printf(MSG_ERROR, "dbus: Failed to construct signal");
 630         else
 631                 dbus_connection_send(iface->con, msg, NULL);
 632
 633         dbus_message_unref(msg);
 634 }
 635
 636
 637 /**
 638  * wpas_dbus_signal_wps_cred - Signals new credentials
 639  * @wpa_s: %wpa_supplicant network interface data
 640  *
 641  * Sends signal with credentials in directory argument
 642  */
 643 void wpas_dbus_signal_wps_cred(struct wpa_supplicant *wpa_s,
 644                                const struct wps_credential *cred)
 645 {
 646         DBusMessage *msg;
 647         DBusMessageIter iter, dict_iter;
 648         struct wpas_dbus_priv *iface;
 649         char *auth_type[6]; /* we have six possible authorization types */
 650         int at_num = 0;
 651         char *encr_type[4]; /* we have four possible encryption types */
 652         int et_num = 0;
 653
 654         iface = wpa_s->global->dbus;
 655
 656         /* Do nothing if the control interface is not turned on */
 657         if (iface == NULL)
 658                 return;
 659
 660         msg = dbus_message_new_signal(wpa_s->dbus_new_path,
 661                                       WPAS_DBUS_NEW_IFACE_WPS,
 662                                       "Credentials");
 663         if (msg == NULL)
 664                 return;
 665
 666         dbus_message_iter_init_append(msg, &iter);
 667         if (!wpa_dbus_dict_open_write(&iter, &dict_iter))
 668                 goto nomem;
 669
 670         if (cred->auth_type & WPS_AUTH_OPEN)
 671                 auth_type[at_num++] = "open";
 672         if (cred->auth_type & WPS_AUTH_WPAPSK)
 673                 auth_type[at_num++] = "wpa-psk";
 674         if (cred->auth_type & WPS_AUTH_SHARED)
 675                 auth_type[at_num++] = "shared";
 676         if (cred->auth_type & WPS_AUTH_WPA)
 677                 auth_type[at_num++] = "wpa-eap";
 678         if (cred->auth_type & WPS_AUTH_WPA2)
 679                 auth_type[at_num++] = "wpa2-eap";
 680         if (cred->auth_type & WPS_AUTH_WPA2PSK)
 681                 auth_type[at_num++] =
 682                 "wpa2-psk";
 683
 684         if (cred->encr_type & WPS_ENCR_NONE)
 685                 encr_type[et_num++] = "none";
 686         if (cred->encr_type & WPS_ENCR_WEP)
 687                 encr_type[et_num++] = "wep";
 688         if (cred->encr_type & WPS_ENCR_TKIP)
 689                 encr_type[et_num++] = "tkip";
 690         if (cred->encr_type & WPS_ENCR_AES)
 691                 encr_type[et_num++] = "aes";
 692
 693         if (wpa_s->current_ssid) {
 694                 if (!wpa_dbus_dict_append_byte_array(
 695                             &dict_iter, "BSSID",
 696                             (const char *) wpa_s->current_ssid->bssid,
 697                             ETH_ALEN))
 698                         goto nomem;
 699         }
 700
 701         if (!wpa_dbus_dict_append_byte_array(&dict_iter, "SSID",
 702                                              (const char *) cred->ssid,
 703                                              cred->ssid_len) ||
 704             !wpa_dbus_dict_append_string_array(&dict_iter, "AuthType",
 705                                                (const char **) auth_type,
 706                                                at_num) ||
 707             !wpa_dbus_dict_append_string_array(&dict_iter, "EncrType",
 708                                                (const char **) encr_type,
 709                                                et_num) ||
 710             !wpa_dbus_dict_append_byte_array(&dict_iter, "Key",
 711                                              (const char *) cred->key,
 712                                              cred->key_len) ||
 713             !wpa_dbus_dict_append_uint32(&dict_iter, "KeyIndex",
 714                                          cred->key_idx) ||
 715             !wpa_dbus_dict_close_write(&iter, &dict_iter))
 716                 goto nomem;
 717
 718         dbus_connection_send(iface->con, msg, NULL);
 719
 720 nomem:
 721         dbus_message_unref(msg);
 722 }
 723
 724 #endif /* CONFIG_WPS */
 725
 726
 727 /**
 728  * wpas_dbus_signal_prop_changed - Signals change of property
 729  * @wpa_s: %wpa_supplicant network interface data
 730  * @property: indicates which property has changed
 731  *
 732  * Sends ProertyChanged signals with path, interface and arguments
 733  * depending on which property has changed.
 734  */
 735 void wpas_dbus_signal_prop_changed(struct wpa_supplicant *wpa_s,
 736                                    enum wpas_dbus_prop property)
 737 {
 738         WPADBusPropertyAccessor getter;
 739         char *prop;
 740
 741         switch (property) {
 742         case WPAS_DBUS_PROP_AP_SCAN:
 743                 getter = (WPADBusPropertyAccessor) wpas_dbus_getter_ap_scan;
 744                 prop = "ApScan";
 745                 break;
 746         case WPAS_DBUS_PROP_SCANNING:
 747                 getter = (WPADBusPropertyAccessor) wpas_dbus_getter_scanning;
 748                 prop = "Scanning";
 749                 break;
 750         case WPAS_DBUS_PROP_CURRENT_BSS:
 751                 getter = (WPADBusPropertyAccessor)
 752                         wpas_dbus_getter_current_bss;
 753                 prop = "CurrentBSS";
 754                 break;
 755         case WPAS_DBUS_PROP_CURRENT_NETWORK:
 756                 getter = (WPADBusPropertyAccessor)
 757                         wpas_dbus_getter_current_network;
 758                 prop = "CurrentNetwork";
 759                 break;
 760         default:
 761                 wpa_printf(MSG_ERROR, "dbus: %s: Unknown Property value %d",
 762                            __func__, property);
 763                 return;
 764         }
 765
 766         wpa_dbus_signal_property_changed(wpa_s->global->dbus,
 767                                          getter, wpa_s, wpa_s->dbus_new_path,
 768                                          WPAS_DBUS_NEW_IFACE_INTERFACE, prop);
 769 }
 770
 771
 772 /**
 773  * wpas_dbus_signal_debug_level_changed - Signals change of debug param
 774  * @global: wpa_global structure
 775  *
 776  * Sends ProertyChanged signals informing that debug level has changed.
 777  */
 778 void wpas_dbus_signal_debug_level_changed(struct wpa_global *global)
 779 {
 780         wpa_dbus_signal_property_changed(global->dbus,
 781                                          (WPADBusPropertyAccessor)
 782                                          wpas_dbus_getter_debug_level,
 783                                          global, WPAS_DBUS_NEW_PATH,
 784                                          WPAS_DBUS_NEW_INTERFACE,
 785                                          "DebugLevel");
 786 }
 787
 788
 789 /**
 790  * wpas_dbus_signal_debug_timestamp_changed - Signals change of debug param
 791  * @global: wpa_global structure
 792  *
 793  * Sends ProertyChanged signals informing that debug timestamp has changed.
 794  */
 795 void wpas_dbus_signal_debug_timestamp_changed(struct wpa_global *global)
 796 {
 797         wpa_dbus_signal_property_changed(global->dbus,
 798                                          (WPADBusPropertyAccessor)
 799                                          wpas_dbus_getter_debug_timestamp,
 800                                          global, WPAS_DBUS_NEW_PATH,
 801                                          WPAS_DBUS_NEW_INTERFACE,
 802                                          "DebugTimestamp");
 803 }
 804
 805
 806 /**
 807  * wpas_dbus_signal_debug_show_keys_changed - Signals change of debug param
 808  * @global: wpa_global structure
 809  *
 810  * Sends ProertyChanged signals informing that debug show_keys has changed.
 811  */
 812 void wpas_dbus_signal_debug_show_keys_changed(struct wpa_global *global)
 813 {
 814         wpa_dbus_signal_property_changed(global->dbus,
 815                                          (WPADBusPropertyAccessor)
 816                                          wpas_dbus_getter_debug_show_keys,
 817                                          global, WPAS_DBUS_NEW_PATH,
 818                                          WPAS_DBUS_NEW_INTERFACE,
 819                                          "DebugShowKeys");
 820 }
 821
 822
 823 static void wpas_dbus_register(struct wpa_dbus_object_desc *obj_desc,
 824                                void *priv,
 825                                WPADBusArgumentFreeFunction priv_free,
 826                                const struct wpa_dbus_method_desc *methods,
 827                                const struct wpa_dbus_property_desc *properties,
 828                                const struct wpa_dbus_signal_desc *signals)
 829 {
 830         obj_desc->user_data = priv;
 831         obj_desc->user_data_free_func = priv_free;
 832         obj_desc->methods = methods;
 833         obj_desc->properties = properties;
 834         obj_desc->signals = signals;
 835 }
 836
 837
 838 static const struct wpa_dbus_method_desc wpas_dbus_global_methods[] = {
 839         { "CreateInterface", WPAS_DBUS_NEW_INTERFACE,
 840           (WPADBusMethodHandler) &wpas_dbus_handler_create_interface,
 841           {
 842                   { "args", "a{sv}", ARG_IN },
 843                   { "path", "o", ARG_OUT },
 844                   END_ARGS
 845           }
 846         },
 847         { "RemoveInterface", WPAS_DBUS_NEW_INTERFACE,
 848           (WPADBusMethodHandler) &wpas_dbus_handler_remove_interface,
 849           {
 850                   { "path", "o", ARG_IN },
 851                   END_ARGS
 852           }
 853         },
 854         { "GetInterface", WPAS_DBUS_NEW_INTERFACE,
 855           (WPADBusMethodHandler) &wpas_dbus_handler_get_interface,
 856           {
 857                   { "ifname", "s", ARG_IN },
 858                   { "path", "o", ARG_OUT },
 859                   END_ARGS
 860           }
 861         },
 862         { NULL, NULL, NULL, { END_ARGS } }
 863 };
 864
 865 static const struct wpa_dbus_property_desc wpas_dbus_global_properties[] = {
 866         { "DebugLevel", WPAS_DBUS_NEW_INTERFACE, "y",
 867           (WPADBusPropertyAccessor) wpas_dbus_getter_debug_level,
 868           (WPADBusPropertyAccessor) wpas_dbus_setter_debug_level,
 869           RW
 870         },
 871         { "DebugTimestamp", WPAS_DBUS_NEW_INTERFACE, "b",
 872           (WPADBusPropertyAccessor) wpas_dbus_getter_debug_timestamp,
 873           (WPADBusPropertyAccessor) wpas_dbus_setter_debug_timestamp,
 874           RW
 875         },
 876         { "DebugShowKeys", WPAS_DBUS_NEW_INTERFACE, "b",
 877           (WPADBusPropertyAccessor) wpas_dbus_getter_debug_show_keys,
 878           (WPADBusPropertyAccessor) wpas_dbus_setter_debug_show_keys,
 879           RW
 880         },
 881         { "Interfaces", WPAS_DBUS_NEW_INTERFACE, "ao",
 882           (WPADBusPropertyAccessor) &wpas_dbus_getter_interfaces,
 883           NULL,
 884           R
 885         },
 886         { "EapMethods", WPAS_DBUS_NEW_INTERFACE, "as",
 887           (WPADBusPropertyAccessor) wpas_dbus_getter_eap_methods,
 888           NULL,
 889           R
 890         },
 891         { NULL, NULL, NULL, NULL, NULL, 0 }
 892 };
 893
 894 static const struct wpa_dbus_signal_desc wpas_dbus_global_signals[] = {
 895         { "InterfaceAdded", WPAS_DBUS_NEW_INTERFACE,
 896           {
 897                   { "path", "o", ARG_OUT },
 898                   { "properties", "a{sv}", ARG_OUT },
 899                   END_ARGS
 900           }
 901         },
 902         { "InterfaceRemoved", WPAS_DBUS_NEW_INTERFACE,
 903           {
 904                   { "path", "o", ARG_OUT },
 905                   END_ARGS
 906           }
 907         },
 908         { "PropertiesChanged", WPAS_DBUS_NEW_INTERFACE,
 909           {
 910                   { "properties", "a{sv}", ARG_OUT },
 911                   END_ARGS
 912           }
 913         },
 914         { NULL, NULL, { END_ARGS } }
 915 };
 916
 917
 918 /**
 919  * wpas_dbus_ctrl_iface_init - Initialize dbus control interface
 920  * @global: Pointer to global data from wpa_supplicant_init()
 921  * Returns: 0 on success or -1 on failure
 922  *
 923  * Initialize the dbus control interface for wpa_supplicantand and start
 924  * receiving commands from external programs over the bus.
 925  */
 926 int wpas_dbus_ctrl_iface_init(struct wpas_dbus_priv *priv)
 927 {
 928         struct wpa_dbus_object_desc *obj_desc;
 929         int ret;
 930
 931         obj_desc = os_zalloc(sizeof(struct wpa_dbus_object_desc));
 932         if (!obj_desc) {
 933                 wpa_printf(MSG_ERROR, "Not enough memory "
 934                            "to create object description");
 935                 return -1;
 936         }
 937
 938         wpas_dbus_register(obj_desc, priv->global, NULL,
 939                            wpas_dbus_global_methods,
 940                            wpas_dbus_global_properties,
 941                            wpas_dbus_global_signals);
 942
 943         wpa_printf(MSG_DEBUG, "dbus: Register D-Bus object '%s'",
 944                    WPAS_DBUS_NEW_PATH);
 945         ret = wpa_dbus_ctrl_iface_init(priv, WPAS_DBUS_NEW_PATH,
 946                                        WPAS_DBUS_NEW_SERVICE,
 947                                        obj_desc);
 948         if (ret < 0)
 949                 free_dbus_object_desc(obj_desc);
 950         else
 951                 priv->dbus_new_initialized = 1;
 952
 953         return ret;
 954 }
 955
 956
 957 /**
 958  * wpas_dbus_ctrl_iface_deinit - Deinitialize dbus ctrl interface for
 959  * wpa_supplicant
 960  * @iface: Pointer to dbus private data from wpas_dbus_init()
 961  *
 962  * Deinitialize the dbus control interface that was initialized with
 963  * wpas_dbus_ctrl_iface_init().
 964  */
 965 void wpas_dbus_ctrl_iface_deinit(struct wpas_dbus_priv *iface)
 966 {
 967         if (!iface->dbus_new_initialized)
 968                 return;
 969         wpa_printf(MSG_DEBUG, "dbus: Unregister D-Bus object '%s'",
 970                    WPAS_DBUS_NEW_PATH);
 971         dbus_connection_unregister_object_path(iface->con,
 972                                                WPAS_DBUS_NEW_PATH);
 973 }
 974
 975
 976 static void wpa_dbus_free(void *ptr)
 977 {
 978         os_free(ptr);
 979 }
 980
 981
 982 static const struct wpa_dbus_property_desc wpas_dbus_network_properties[] = {
 983         { "Properties", WPAS_DBUS_NEW_IFACE_NETWORK, "a{sv}",
 984           (WPADBusPropertyAccessor) wpas_dbus_getter_network_properties,
 985           (WPADBusPropertyAccessor) wpas_dbus_setter_network_properties,
 986           RW
 987         },
 988         { "Enabled", WPAS_DBUS_NEW_IFACE_NETWORK, "b",
 989           (WPADBusPropertyAccessor) wpas_dbus_getter_enabled,
 990           (WPADBusPropertyAccessor) wpas_dbus_setter_enabled,
 991           RW
 992         },
 993         { NULL, NULL, NULL, NULL, NULL, 0 }
 994 };
 995
 996
 997 static const struct wpa_dbus_signal_desc wpas_dbus_network_signals[] = {
 998         { "PropertiesChanged", WPAS_DBUS_NEW_IFACE_NETWORK,
 999           {
1000                   { "properties", "a{sv}", ARG_OUT },
1001                   END_ARGS
1002           }
1003         },
1004         { NULL, NULL, { END_ARGS } }
1005 };
1006
1007
1008 /**
1009  * wpas_dbus_register_network - Register a configured network with dbus
1010  * @wpa_s: wpa_supplicant interface structure
1011  * @ssid: network configuration data
1012  * Returns: 0 on success, -1 on failure
1013  *
1014  * Registers network representing object with dbus
1015  */
1016 int wpas_dbus_register_network(struct wpa_supplicant *wpa_s,
1017                                struct wpa_ssid *ssid)
1018 {
1019         struct wpas_dbus_priv *ctrl_iface;
1020         struct wpa_dbus_object_desc *obj_desc;
1021         struct network_handler_args *arg = NULL;
1022         char net_obj_path[WPAS_DBUS_OBJECT_PATH_MAX];
1023
1024         /* Do nothing if the control interface is not turned on */
1025         if (wpa_s == NULL || wpa_s->global == NULL)
1026                 return 0;
1027         ctrl_iface = wpa_s->global->dbus;
1028         if (ctrl_iface == NULL)
1029                 return 0;
1030
1031         os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
1032                     "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%u",
1033                     wpa_s->dbus_new_path, ssid->id);
1034
1035         wpa_printf(MSG_DEBUG, "dbus: Register network object '%s'",
1036                    net_obj_path);
1037         obj_desc = os_zalloc(sizeof(struct wpa_dbus_object_desc));
1038         if (!obj_desc) {
1039                 wpa_printf(MSG_ERROR, "Not enough memory "
1040                            "to create object description");
1041                 goto err;
1042         }
1043
1044         /* allocate memory for handlers arguments */
1045         arg = os_zalloc(sizeof(struct network_handler_args));
1046         if (!arg) {
1047                 wpa_printf(MSG_ERROR, "Not enough memory "
1048                            "to create arguments for method");
1049                 goto err;
1050         }
1051
1052         arg->wpa_s = wpa_s;
1053         arg->ssid = ssid;
1054
1055         wpas_dbus_register(obj_desc, arg, wpa_dbus_free, NULL,
1056                            wpas_dbus_network_properties,
1057                            wpas_dbus_network_signals);
1058
1059         if (wpa_dbus_register_object_per_iface(ctrl_iface, net_obj_path,
1060                                                wpa_s->ifname, obj_desc))
1061                 goto err;
1062
1063         wpas_dbus_signal_network_added(wpa_s, ssid->id);
1064
1065         return 0;
1066
1067 err:
1068         os_free(obj_desc);
1069         os_free(arg);
1070         return -1;
1071 }
1072
1073
1074 /**
1075  * wpas_dbus_unregister_network - Unregister a configured network from dbus
1076  * @wpa_s: wpa_supplicant interface structure
1077  * @nid: network id
1078  * Returns: 0 on success, -1 on failure
1079  *
1080  * Unregisters network representing object from dbus
1081  */
1082 int wpas_dbus_unregister_network(struct wpa_supplicant *wpa_s, int nid)
1083 {
1084         struct wpas_dbus_priv *ctrl_iface;
1085         char net_obj_path[WPAS_DBUS_OBJECT_PATH_MAX];
1086         int ret;
1087
1088         /* Do nothing if the control interface is not turned on */
1089         if (wpa_s == NULL || wpa_s->global == NULL)
1090                 return 0;
1091         ctrl_iface = wpa_s->global->dbus;
1092         if (ctrl_iface == NULL)
1093                 return 0;
1094
1095         os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
1096                     "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%u",
1097                     wpa_s->dbus_new_path, nid);
1098
1099         wpa_printf(MSG_DEBUG, "dbus: Unregister network object '%s'",
1100                    net_obj_path);
1101         ret = wpa_dbus_unregister_object_per_iface(ctrl_iface, net_obj_path);
1102
1103         if (!ret)
1104                 wpas_dbus_signal_network_removed(wpa_s, nid);
1105
1106         return ret;
1107 }
1108
1109
1110 static const struct wpa_dbus_property_desc wpas_dbus_bss_properties[] = {
1111         { "SSID", WPAS_DBUS_NEW_IFACE_BSSID, "ay",
1112           (WPADBusPropertyAccessor) wpas_dbus_getter_bss_ssid,
1113           NULL,
1114           R
1115         },
1116         { "BSSID", WPAS_DBUS_NEW_IFACE_BSSID, "ay",
1117           (WPADBusPropertyAccessor) wpas_dbus_getter_bss_bssid,
1118           NULL,
1119           R
1120         },
1121         { "Privacy", WPAS_DBUS_NEW_IFACE_BSSID, "b",
1122           (WPADBusPropertyAccessor) wpas_dbus_getter_bss_privacy,
1123           NULL,
1124           R
1125         },
1126         { "Mode", WPAS_DBUS_NEW_IFACE_BSSID, "s",
1127           (WPADBusPropertyAccessor) wpas_dbus_getter_bss_mode,
1128           NULL,
1129           R
1130         },
1131         { "Signal", WPAS_DBUS_NEW_IFACE_BSSID, "n",
1132           (WPADBusPropertyAccessor) wpas_dbus_getter_bss_signal,
1133           NULL,
1134           R
1135         },
1136         { "Frequency", WPAS_DBUS_NEW_IFACE_BSSID, "q",
1137           (WPADBusPropertyAccessor) wpas_dbus_getter_bss_frequency,
1138           NULL,
1139           R
1140         },
1141         { "MaxRate", WPAS_DBUS_NEW_IFACE_BSSID, "q",
1142           (WPADBusPropertyAccessor) wpas_dbus_getter_bss_max_rate,
1143           NULL,
1144           R
1145         },
1146         { "WPAIE", WPAS_DBUS_NEW_IFACE_BSSID, "ay",
1147           (WPADBusPropertyAccessor) wpas_dbus_getter_bss_wpaie,
1148           NULL,
1149           R
1150         },
1151         { "RSNIE", WPAS_DBUS_NEW_IFACE_BSSID, "ay",
1152           (WPADBusPropertyAccessor) wpas_dbus_getter_bss_rsnie,
1153           NULL,
1154           R
1155         },
1156         { "WPSIE", WPAS_DBUS_NEW_IFACE_BSSID, "ay",
1157           (WPADBusPropertyAccessor) wpas_dbus_getter_bss_wpsie,
1158           NULL,
1159           R
1160         },
1161         { NULL, NULL, NULL, NULL, NULL, 0 }
1162 };
1163
1164
1165 static const struct wpa_dbus_signal_desc wpas_dbus_bss_signals[] = {
1166         { "PropertiesChanged", WPAS_DBUS_NEW_IFACE_BSSID,
1167           {
1168                   { "properties", "a{sv}", ARG_OUT },
1169                   END_ARGS
1170           }
1171         },
1172         { NULL, NULL, { END_ARGS } }
1173 };
1174
1175
1176 /**
1177  * wpas_dbus_unregister_bss - Unregister a scanned BSS from dbus
1178  * @wpa_s: wpa_supplicant interface structure
1179  * @bssid: scanned network bssid
1180  * @id: unique BSS identifier
1181  * Returns: 0 on success, -1 on failure
1182  *
1183  * Unregisters BSS representing object from dbus
1184  */
1185 int wpas_dbus_unregister_bss(struct wpa_supplicant *wpa_s,
1186                              u8 bssid[ETH_ALEN], unsigned int id)
1187 {
1188         struct wpas_dbus_priv *ctrl_iface;
1189         char bss_obj_path[WPAS_DBUS_OBJECT_PATH_MAX];
1190
1191         /* Do nothing if the control interface is not turned on */
1192         if (wpa_s == NULL || wpa_s->global == NULL)
1193                 return 0;
1194         ctrl_iface = wpa_s->global->dbus;
1195         if (ctrl_iface == NULL)
1196                 return 0;
1197
1198         os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
1199                     "%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
1200                     wpa_s->dbus_new_path, id);
1201
1202         wpa_printf(MSG_DEBUG, "dbus: Unregister BSS object '%s'",
1203                    bss_obj_path);
1204         if (wpa_dbus_unregister_object_per_iface(ctrl_iface, bss_obj_path)) {
1205                 wpa_printf(MSG_ERROR, "dbus: Cannot unregister BSS object %s",
1206                            bss_obj_path);
1207                 return -1;
1208         }
1209
1210         wpas_dbus_signal_bss_removed(wpa_s, bss_obj_path);
1211
1212         return 0;
1213 }
1214
1215
1216 /**
1217  * wpas_dbus_register_bss - Register a scanned BSS with dbus
1218  * @wpa_s: wpa_supplicant interface structure
1219  * @bssid: scanned network bssid
1220  * @id: unique BSS identifier
1221  * Returns: 0 on success, -1 on failure
1222  *
1223  * Registers BSS representing object with dbus
1224  */
1225 int wpas_dbus_register_bss(struct wpa_supplicant *wpa_s,
1226                            u8 bssid[ETH_ALEN], unsigned int id)
1227 {
1228         struct wpas_dbus_priv *ctrl_iface;
1229         struct wpa_dbus_object_desc *obj_desc;
1230         char bss_obj_path[WPAS_DBUS_OBJECT_PATH_MAX];
1231         struct bss_handler_args *arg = NULL;
1232
1233         /* Do nothing if the control interface is not turned on */
1234         if (wpa_s == NULL || wpa_s->global == NULL)
1235                 return 0;
1236         ctrl_iface = wpa_s->global->dbus;
1237         if (ctrl_iface == NULL)
1238                 return 0;
1239
1240         os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
1241                     "%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
1242                     wpa_s->dbus_new_path, id);
1243
1244         obj_desc = os_zalloc(sizeof(struct wpa_dbus_object_desc));
1245         if (!obj_desc) {
1246                 wpa_printf(MSG_ERROR, "Not enough memory "
1247                            "to create object description");
1248                 goto err;
1249         }
1250
1251         arg = os_zalloc(sizeof(struct bss_handler_args));
1252         if (!arg) {
1253                 wpa_printf(MSG_ERROR, "Not enough memory "
1254                            "to create arguments for handler");
1255                 goto err;
1256         }
1257         arg->wpa_s = wpa_s;
1258         arg->id = id;
1259
1260         wpas_dbus_register(obj_desc, arg, wpa_dbus_free, NULL,
1261                            wpas_dbus_bss_properties,
1262                            wpas_dbus_bss_signals);
1263
1264         wpa_printf(MSG_DEBUG, "dbus: Register BSS object '%s'",
1265                    bss_obj_path);
1266         if (wpa_dbus_register_object_per_iface(ctrl_iface, bss_obj_path,
1267                                                wpa_s->ifname, obj_desc)) {
1268                 wpa_printf(MSG_ERROR,
1269                            "Cannot register BSSID dbus object %s.",
1270                            bss_obj_path);
1271                 goto err;
1272         }
1273
1274         wpas_dbus_signal_bss_added(wpa_s, bss_obj_path);
1275
1276         return 0;
1277
1278 err:
1279         os_free(obj_desc);
1280         os_free(arg);
1281         return -1;
1282 }
1283
1284
1285 static const struct wpa_dbus_method_desc wpas_dbus_interface_methods[] = {
1286         { "Scan", WPAS_DBUS_NEW_IFACE_INTERFACE,
1287           (WPADBusMethodHandler) &wpas_dbus_handler_scan,
1288           {
1289                   { "args", "a{sv}", ARG_IN },
1290                   END_ARGS
1291           }
1292         },
1293         { "Disconnect", WPAS_DBUS_NEW_IFACE_INTERFACE,
1294           (WPADBusMethodHandler) &wpas_dbus_handler_disconnect,
1295           {
1296                   END_ARGS
1297           }
1298         },
1299         { "AddNetwork", WPAS_DBUS_NEW_IFACE_INTERFACE,
1300           (WPADBusMethodHandler) &wpas_dbus_handler_add_network,
1301           {
1302                   { "args", "a{sv}", ARG_IN },
1303                   { "path", "o", ARG_OUT },
1304                   END_ARGS
1305           }
1306         },
1307         { "RemoveNetwork", WPAS_DBUS_NEW_IFACE_INTERFACE,
1308           (WPADBusMethodHandler) &wpas_dbus_handler_remove_network,
1309           {
1310                   { "path", "o", ARG_IN },
1311                   END_ARGS
1312           }
1313         },
1314         { "SelectNetwork", WPAS_DBUS_NEW_IFACE_INTERFACE,
1315           (WPADBusMethodHandler) &wpas_dbus_handler_select_network,
1316           {
1317                   { "path", "o", ARG_IN },
1318                   END_ARGS
1319           }
1320         },
1321         { "AddBlob", WPAS_DBUS_NEW_IFACE_INTERFACE,
1322           (WPADBusMethodHandler) &wpas_dbus_handler_add_blob,
1323           {
1324                   { "name", "s", ARG_IN },
1325                   { "data", "ay", ARG_IN },
1326                   END_ARGS
1327           }
1328         },
1329         { "GetBlob", WPAS_DBUS_NEW_IFACE_INTERFACE,
1330           (WPADBusMethodHandler) &wpas_dbus_handler_get_blob,
1331           {
1332                   { "name", "s", ARG_IN },
1333                   { "data", "ay", ARG_OUT },
1334                   END_ARGS
1335           }
1336         },
1337         { "RemoveBlob", WPAS_DBUS_NEW_IFACE_INTERFACE,
1338           (WPADBusMethodHandler) &wpas_dbus_handler_remove_blob,
1339           {
1340                   { "name", "s", ARG_IN },
1341                   END_ARGS
1342           }
1343         },
1344 #ifdef CONFIG_WPS
1345         { "Start", WPAS_DBUS_NEW_IFACE_WPS,
1346           (WPADBusMethodHandler) &wpas_dbus_handler_wps_start,
1347           {
1348                   { "args", "a{sv}", ARG_IN },
1349                   { "output", "a{sv}", ARG_OUT },
1350                   END_ARGS
1351           }
1352         },
1353 #endif /* CONFIG_WPS */
1354         { NULL, NULL, NULL, { END_ARGS } }
1355 };
1356
1357 static const struct wpa_dbus_property_desc wpas_dbus_interface_properties[] = {
1358         { "Capabilities", WPAS_DBUS_NEW_IFACE_INTERFACE, "a{sv}",
1359           (WPADBusPropertyAccessor) wpas_dbus_getter_capabilities,
1360           NULL, R
1361         },
1362         { "State", WPAS_DBUS_NEW_IFACE_INTERFACE, "s",
1363           (WPADBusPropertyAccessor) wpas_dbus_getter_state,
1364           NULL, R
1365         },
1366         { "Scanning", WPAS_DBUS_NEW_IFACE_INTERFACE, "b",
1367           (WPADBusPropertyAccessor) wpas_dbus_getter_scanning,
1368           NULL, R
1369         },
1370         { "ApScan", WPAS_DBUS_NEW_IFACE_INTERFACE, "u",
1371           (WPADBusPropertyAccessor) wpas_dbus_getter_ap_scan,
1372           (WPADBusPropertyAccessor) wpas_dbus_setter_ap_scan,
1373           RW
1374         },
1375         { "Ifname", WPAS_DBUS_NEW_IFACE_INTERFACE, "s",
1376           (WPADBusPropertyAccessor) wpas_dbus_getter_ifname,
1377           NULL, R
1378         },
1379         { "Driver", WPAS_DBUS_NEW_IFACE_INTERFACE, "s",
1380           (WPADBusPropertyAccessor) wpas_dbus_getter_driver,
1381           NULL, R
1382         },
1383         { "BridgeIfname", WPAS_DBUS_NEW_IFACE_INTERFACE, "s",
1384           (WPADBusPropertyAccessor) wpas_dbus_getter_bridge_ifname,
1385           NULL, R
1386         },
1387         { "CurrentBSS", WPAS_DBUS_NEW_IFACE_INTERFACE, "o",
1388           (WPADBusPropertyAccessor) wpas_dbus_getter_current_bss,
1389           NULL, R
1390         },
1391         { "CurrentNetwork", WPAS_DBUS_NEW_IFACE_INTERFACE, "o",
1392           (WPADBusPropertyAccessor) wpas_dbus_getter_current_network,
1393           NULL, R
1394         },
1395         { "Blobs", WPAS_DBUS_NEW_IFACE_INTERFACE, "a{say}",
1396           (WPADBusPropertyAccessor) wpas_dbus_getter_blobs,
1397           NULL, R
1398         },
1399         { "BSSs", WPAS_DBUS_NEW_IFACE_INTERFACE, "ao",
1400           (WPADBusPropertyAccessor) wpas_dbus_getter_bsss,
1401           NULL, R
1402         },
1403         { "Networks", WPAS_DBUS_NEW_IFACE_INTERFACE, "ao",
1404           (WPADBusPropertyAccessor) wpas_dbus_getter_networks,
1405           NULL, R
1406         },
1407 #ifdef CONFIG_WPS
1408         { "ProcessCredentials", WPAS_DBUS_NEW_IFACE_WPS, "b",
1409           (WPADBusPropertyAccessor) wpas_dbus_getter_process_credentials,
1410           (WPADBusPropertyAccessor) wpas_dbus_setter_process_credentials,
1411           RW
1412         },
1413 #endif /* CONFIG_WPS */
1414         { NULL, NULL, NULL, NULL, NULL, 0 }
1415 };
1416
1417 static const struct wpa_dbus_signal_desc wpas_dbus_interface_signals[] = {
1418         { "ScanDone", WPAS_DBUS_NEW_IFACE_INTERFACE,
1419           {
1420                   { "success", "b", ARG_OUT },
1421                   END_ARGS
1422           }
1423         },
1424         { "StateChanged", WPAS_DBUS_NEW_IFACE_INTERFACE,
1425           {
1426                   { "newState", "s", ARG_OUT },
1427                   { "oldState", "s", ARG_OUT },
1428                   END_ARGS
1429           }
1430         },
1431         { "BSSAdded", WPAS_DBUS_NEW_IFACE_INTERFACE,
1432           {
1433                   { "path", "o", ARG_OUT },
1434                   { "properties", "a{sv}", ARG_OUT },
1435                   END_ARGS
1436           }
1437         },
1438         { "BSSRemoved", WPAS_DBUS_NEW_IFACE_INTERFACE,
1439           {
1440                   { "path", "o", ARG_OUT },
1441                   END_ARGS
1442           }
1443         },
1444         { "BlobAdded", WPAS_DBUS_NEW_IFACE_INTERFACE,
1445           {
1446                   { "name", "s", ARG_OUT },
1447                   END_ARGS
1448           }
1449         },
1450         { "BlobRemoved", WPAS_DBUS_NEW_IFACE_INTERFACE,
1451           {
1452                   { "name", "s", ARG_OUT },
1453                   END_ARGS
1454           }
1455         },
1456         { "NetworkAdded", WPAS_DBUS_NEW_IFACE_INTERFACE,
1457           {
1458                   { "path", "o", ARG_OUT },
1459                   { "properties", "a{sv}", ARG_OUT },
1460                   END_ARGS
1461           }
1462         },
1463         { "NetworkRemoved", WPAS_DBUS_NEW_IFACE_INTERFACE,
1464           {
1465                   { "path", "o", ARG_OUT },
1466                   END_ARGS
1467           }
1468         },
1469         { "NetworkSelected", WPAS_DBUS_NEW_IFACE_INTERFACE,
1470           {
1471                   { "path", "o", ARG_OUT },
1472                   END_ARGS
1473           }
1474         },
1475         { "PropertiesChanged", WPAS_DBUS_NEW_IFACE_INTERFACE,
1476           {
1477                   { "properties", "a{sv}", ARG_OUT },
1478                   END_ARGS
1479           }
1480         },
1481 #ifdef CONFIG_WPS
1482         { "Event", WPAS_DBUS_NEW_IFACE_WPS,
1483           {
1484                   { "name", "s", ARG_OUT },
1485                   { "args", "a{sv}", ARG_OUT },
1486                   END_ARGS
1487           }
1488         },
1489         { "Credentials", WPAS_DBUS_NEW_IFACE_WPS,
1490           {
1491                   { "credentials", "a{sv}", ARG_OUT },
1492                   END_ARGS
1493           }
1494         },
1495         { "PropertiesChanged", WPAS_DBUS_NEW_IFACE_WPS,
1496           {
1497                   { "properties", "a{sv}", ARG_OUT },
1498                   END_ARGS
1499           }
1500         },
1501 #endif /* CONFIG_WPS */
1502         { NULL, NULL, { END_ARGS } }
1503 };
1504
1505
1506 int wpas_dbus_register_interface(struct wpa_supplicant *wpa_s)
1507 {
1508
1509         struct wpa_dbus_object_desc *obj_desc = NULL;
1510         struct wpas_dbus_priv *ctrl_iface = wpa_s->global->dbus;
1511         int next;
1512
1513         /* Do nothing if the control interface is not turned on */
1514         if (ctrl_iface == NULL)
1515                 return 0;
1516
1517         /* Create and set the interface's object path */
1518         wpa_s->dbus_new_path = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
1519         if (wpa_s->dbus_new_path == NULL)
1520                 return -1;
1521         next = ctrl_iface->next_objid++;
1522         os_snprintf(wpa_s->dbus_new_path, WPAS_DBUS_OBJECT_PATH_MAX,
1523                     WPAS_DBUS_NEW_PATH_INTERFACES "/%u",
1524                     next);
1525
1526         obj_desc = os_zalloc(sizeof(struct wpa_dbus_object_desc));
1527         if (!obj_desc) {
1528                 wpa_printf(MSG_ERROR, "Not enough memory "
1529                            "to create object description");
1530                 goto err;
1531         }
1532
1533         wpas_dbus_register(obj_desc, wpa_s, NULL, wpas_dbus_interface_methods,
1534                            wpas_dbus_interface_properties,
1535                            wpas_dbus_interface_signals);
1536
1537         wpa_printf(MSG_DEBUG, "dbus: Register interface object '%s'",
1538                    wpa_s->dbus_new_path);
1539         if (wpa_dbus_register_object_per_iface(ctrl_iface,
1540                                                wpa_s->dbus_new_path,
1541                                                wpa_s->ifname, obj_desc))
1542                 goto err;
1543
1544         wpas_dbus_signal_interface_added(wpa_s);
1545
1546         return 0;
1547
1548 err:
1549         os_free(wpa_s->dbus_new_path);
1550         wpa_s->dbus_new_path = NULL;
1551         os_free(obj_desc);
1552         return -1;
1553 }
1554
1555
1556 int wpas_dbus_unregister_interface(struct wpa_supplicant *wpa_s)
1557 {
1558         struct wpas_dbus_priv *ctrl_iface;
1559
1560         /* Do nothing if the control interface is not turned on */
1561         if (wpa_s == NULL || wpa_s->global == NULL)
1562                 return 0;
1563         ctrl_iface = wpa_s->global->dbus;
1564         if (ctrl_iface == NULL)
1565                 return 0;
1566
1567         wpa_printf(MSG_DEBUG, "dbus: Unregister interface object '%s'",
1568                    wpa_s->dbus_new_path);
1569         if (wpa_dbus_unregister_object_per_iface(ctrl_iface,
1570                                                  wpa_s->dbus_new_path))
1571                 return -1;
1572
1573         wpas_dbus_signal_interface_removed(wpa_s);
1574
1575         os_free(wpa_s->dbus_new_path);
1576         wpa_s->dbus_new_path = NULL;
1577
1578         return 0;
1579 }