1 /* 2 * WPA Supplicant / dbus-based control interface 3 * Copyright (c) 2006, Dan Williams <dcbw (at) redhat.com> and Red Hat, Inc. 4 * Copyright (c) 2009-2010, Witold Sowa <witold.sowa (at) gmail.com> 5 * Copyright (c) 2009-2015, Jouni Malinen <j (at) w1.fi> 6 * 7 * This software may be distributed under the terms of the BSD license. 8 * See README for more details. 9 */ 10 11 #include "includes.h" 12 13 #include "common.h" 14 #include "common/ieee802_11_defs.h" 15 #include "eap_peer/eap_methods.h" 16 #include "eapol_supp/eapol_supp_sm.h" 17 #include "rsn_supp/wpa.h" 18 #include "ap/hostapd.h" 19 #include "ap/sta_info.h" 20 #include "ap/ap_drv_ops.h" 21 #include "../config.h" 22 #include "../wpa_supplicant_i.h" 23 #include "../driver_i.h" 24 #include "../notify.h" 25 #include "../bss.h" 26 #include "../scan.h" 27 #include "../autoscan.h" 28 #include "../ap.h" 29 #include "dbus_new_helpers.h" 30 #include "dbus_new.h" 31 #include "dbus_new_handlers.h" 32 #include "dbus_dict_helpers.h" 33 #include "dbus_common_i.h" 34 #include "drivers/driver.h" 35 #ifdef CONFIG_MESH 36 #include "ap/hostapd.h" 37 #include "ap/sta_info.h" 38 #endif /* CONFIG_MESH */ 39 40 static const char * const debug_strings[] = { 41 "excessive", "msgdump", "debug", "info", "warning", "error", NULL 42 }; 43 44 45 /** 46 * wpas_dbus_error_unknown_error - Return a new UnknownError error message 47 * @message: Pointer to incoming dbus message this error refers to 48 * @arg: Optional string appended to error message 49 * Returns: a dbus error message 50 * 51 * Convenience function to create and return an UnknownError 52 */ 53 DBusMessage * wpas_dbus_error_unknown_error(DBusMessage *message, 54 const char *arg) 55 { 56 return dbus_message_new_error(message, WPAS_DBUS_ERROR_UNKNOWN_ERROR, 57 arg); 58 } 59 60 61 /** 62 * wpas_dbus_error_iface_unknown - Return a new invalid interface error message 63 * @message: Pointer to incoming dbus message this error refers to 64 * Returns: A dbus error message 65 * 66 * Convenience function to create and return an invalid interface error 67 */ 68 static DBusMessage * wpas_dbus_error_iface_unknown(DBusMessage *message) 69 { 70 return dbus_message_new_error( 71 message, WPAS_DBUS_ERROR_IFACE_UNKNOWN, 72 "wpa_supplicant knows nothing about this interface."); 73 } 74 75 76 /** 77 * wpas_dbus_error_network_unknown - Return a new NetworkUnknown error message 78 * @message: Pointer to incoming dbus message this error refers to 79 * Returns: a dbus error message 80 * 81 * Convenience function to create and return an invalid network error 82 */ 83 static DBusMessage * wpas_dbus_error_network_unknown(DBusMessage *message) 84 { 85 return dbus_message_new_error( 86 message, WPAS_DBUS_ERROR_NETWORK_UNKNOWN, 87 "There is no such a network in this interface."); 88 } 89 90 91 /** 92 * wpas_dbus_error_invalid_args - Return a new InvalidArgs error message 93 * @message: Pointer to incoming dbus message this error refers to 94 * Returns: a dbus error message 95 * 96 * Convenience function to create and return an invalid options error 97 */ 98 DBusMessage * wpas_dbus_error_invalid_args(DBusMessage *message, 99 const char *arg) 100 { 101 DBusMessage *reply; 102 103 reply = dbus_message_new_error( 104 message, WPAS_DBUS_ERROR_INVALID_ARGS, 105 "Did not receive correct message arguments."); 106 if (arg != NULL) 107 dbus_message_append_args(reply, DBUS_TYPE_STRING, &arg, 108 DBUS_TYPE_INVALID); 109 110 return reply; 111 } 112 113 114 /** 115 * wpas_dbus_error_scan_error - Return a new ScanError error message 116 * @message: Pointer to incoming dbus message this error refers to 117 * @error: Optional string to be used as the error message 118 * Returns: a dbus error message 119 * 120 * Convenience function to create and return a scan error 121 */ 122 static DBusMessage * wpas_dbus_error_scan_error(DBusMessage *message, 123 const char *error) 124 { 125 return dbus_message_new_error(message, 126 WPAS_DBUS_ERROR_IFACE_SCAN_ERROR, 127 error); 128 } 129 130 131 DBusMessage * wpas_dbus_error_no_memory(DBusMessage *message) 132 { 133 wpa_printf(MSG_DEBUG, "dbus: Failed to allocate memory"); 134 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY, NULL); 135 } 136 137 138 static const char * const dont_quote[] = { 139 "key_mgmt", "proto", "pairwise", "auth_alg", "group", "eap", 140 "opensc_engine_path", "pkcs11_engine_path", "pkcs11_module_path", 141 "bssid", "scan_freq", "freq_list", NULL 142 }; 143 144 static dbus_bool_t should_quote_opt(const char *key) 145 { 146 int i = 0; 147 148 while (dont_quote[i] != NULL) { 149 if (os_strcmp(key, dont_quote[i]) == 0) 150 return FALSE; 151 i++; 152 } 153 return TRUE; 154 } 155 156 /** 157 * get_iface_by_dbus_path - Get a new network interface 158 * @global: Pointer to global data from wpa_supplicant_init() 159 * @path: Pointer to a dbus object path representing an interface 160 * Returns: Pointer to the interface or %NULL if not found 161 */ 162 static struct wpa_supplicant * get_iface_by_dbus_path( 163 struct wpa_global *global, const char *path) 164 { 165 struct wpa_supplicant *wpa_s; 166 167 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { 168 if (wpa_s->dbus_new_path && 169 os_strcmp(wpa_s->dbus_new_path, path) == 0) 170 return wpa_s; 171 } 172 return NULL; 173 } 174 175 176 /** 177 * set_network_properties - Set properties of a configured network 178 * @wpa_s: wpa_supplicant structure for a network interface 179 * @ssid: wpa_ssid structure for a configured network 180 * @iter: DBus message iterator containing dictionary of network 181 * properties to set. 182 * @error: On failure, an error describing the failure 183 * Returns: TRUE if the request succeeds, FALSE if it failed 184 * 185 * Sets network configuration with parameters given id DBus dictionary 186 */ 187 dbus_bool_t set_network_properties(struct wpa_supplicant *wpa_s, 188 struct wpa_ssid *ssid, 189 DBusMessageIter *iter, 190 DBusError *error) 191 { 192 struct wpa_dbus_dict_entry entry = { .type = DBUS_TYPE_STRING }; 193 DBusMessageIter iter_dict; 194 char *value = NULL; 195 196 if (!wpa_dbus_dict_open_read(iter, &iter_dict, error)) 197 return FALSE; 198 199 while (wpa_dbus_dict_has_dict_entry(&iter_dict)) { 200 size_t size = 50; 201 int ret; 202 203 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry)) 204 goto error; 205 206 value = NULL; 207 if (entry.type == DBUS_TYPE_ARRAY && 208 entry.array_type == DBUS_TYPE_BYTE) { 209 if (entry.array_len <= 0) 210 goto error; 211 212 size = entry.array_len * 2 + 1; 213 value = os_zalloc(size); 214 if (value == NULL) 215 goto error; 216 217 ret = wpa_snprintf_hex(value, size, 218 (u8 *) entry.bytearray_value, 219 entry.array_len); 220 if (ret <= 0) 221 goto error; 222 } else if (entry.type == DBUS_TYPE_STRING) { 223 if (should_quote_opt(entry.key)) { 224 size = os_strlen(entry.str_value); 225 if (size == 0) 226 goto error; 227 228 size += 3; 229 value = os_zalloc(size); 230 if (value == NULL) 231 goto error; 232 233 ret = os_snprintf(value, size, "\"%s\"", 234 entry.str_value); 235 if (os_snprintf_error(size, ret)) 236 goto error; 237 } else { 238 value = os_strdup(entry.str_value); 239 if (value == NULL) 240 goto error; 241 } 242 } else if (entry.type == DBUS_TYPE_UINT32) { 243 value = os_zalloc(size); 244 if (value == NULL) 245 goto error; 246 247 ret = os_snprintf(value, size, "%u", 248 entry.uint32_value); 249 if (os_snprintf_error(size, ret)) 250 goto error; 251 } else if (entry.type == DBUS_TYPE_INT32) { 252 value = os_zalloc(size); 253 if (value == NULL) 254 goto error; 255 256 ret = os_snprintf(value, size, "%d", 257 entry.int32_value); 258 if (os_snprintf_error(size, ret)) 259 goto error; 260 } else 261 goto error; 262 263 if (wpa_config_set(ssid, entry.key, value, 0) < 0) 264 goto error; 265 266 if (os_strcmp(entry.key, "bssid") != 0 && 267 os_strcmp(entry.key, "priority") != 0) 268 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid); 269 270 if (wpa_s->current_ssid == ssid || 271 wpa_s->current_ssid == NULL) { 272 /* 273 * Invalidate the EAP session cache if anything in the 274 * current or previously used configuration changes. 275 */ 276 eapol_sm_invalidate_cached_session(wpa_s->eapol); 277 } 278 279 if ((os_strcmp(entry.key, "psk") == 0 && 280 value[0] == '"' && ssid->ssid_len) || 281 (os_strcmp(entry.key, "ssid") == 0 && ssid->passphrase)) 282 wpa_config_update_psk(ssid); 283 else if (os_strcmp(entry.key, "priority") == 0) 284 wpa_config_update_prio_list(wpa_s->conf); 285 286 os_free(value); 287 value = NULL; 288 wpa_dbus_dict_entry_clear(&entry); 289 } 290 291 return TRUE; 292 293 error: 294 os_free(value); 295 wpa_dbus_dict_entry_clear(&entry); 296 dbus_set_error_const(error, DBUS_ERROR_INVALID_ARGS, 297 "invalid message format"); 298 return FALSE; 299 } 300 301 302 /** 303 * wpas_dbus_simple_property_getter - Get basic type property 304 * @iter: Message iter to use when appending arguments 305 * @type: DBus type of property (must be basic type) 306 * @val: pointer to place holding property value 307 * @error: On failure an error describing the failure 308 * Returns: TRUE if the request was successful, FALSE if it failed 309 * 310 * Generic getter for basic type properties. Type is required to be basic. 311 */ 312 dbus_bool_t wpas_dbus_simple_property_getter(DBusMessageIter *iter, 313 const int type, 314 const void *val, 315 DBusError *error) 316 { 317 DBusMessageIter variant_iter; 318 319 if (!dbus_type_is_basic(type)) { 320 dbus_set_error(error, DBUS_ERROR_FAILED, 321 "%s: given type is not basic", __func__); 322 return FALSE; 323 } 324 325 if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, 326 wpa_dbus_type_as_string(type), 327 &variant_iter) || 328 !dbus_message_iter_append_basic(&variant_iter, type, val) || 329 !dbus_message_iter_close_container(iter, &variant_iter)) { 330 dbus_set_error(error, DBUS_ERROR_FAILED, 331 "%s: error constructing reply", __func__); 332 return FALSE; 333 } 334 335 return TRUE; 336 } 337 338 339 /** 340 * wpas_dbus_simple_property_setter - Set basic type property 341 * @message: Pointer to incoming dbus message 342 * @type: DBus type of property (must be basic type) 343 * @val: pointer to place where value being set will be stored 344 * Returns: TRUE if the request was successful, FALSE if it failed 345 * 346 * Generic setter for basic type properties. Type is required to be basic. 347 */ 348 dbus_bool_t wpas_dbus_simple_property_setter(DBusMessageIter *iter, 349 DBusError *error, 350 const int type, void *val) 351 { 352 DBusMessageIter variant_iter; 353 354 if (!dbus_type_is_basic(type)) { 355 dbus_set_error(error, DBUS_ERROR_FAILED, 356 "%s: given type is not basic", __func__); 357 return FALSE; 358 } 359 360 /* Look at the new value */ 361 dbus_message_iter_recurse(iter, &variant_iter); 362 if (dbus_message_iter_get_arg_type(&variant_iter) != type) { 363 dbus_set_error_const(error, DBUS_ERROR_FAILED, 364 "wrong property type"); 365 return FALSE; 366 } 367 dbus_message_iter_get_basic(&variant_iter, val); 368 369 return TRUE; 370 } 371 372 373 /** 374 * wpas_dbus_simple_array_property_getter - Get array type property 375 * @iter: Pointer to incoming dbus message iterator 376 * @type: DBus type of property array elements (must be basic type) 377 * @array: pointer to array of elements to put into response message 378 * @array_len: length of above array 379 * @error: a pointer to an error to fill on failure 380 * Returns: TRUE if the request succeeded, FALSE if it failed 381 * 382 * Generic getter for array type properties. Array elements type is 383 * required to be basic. 384 */ 385 dbus_bool_t wpas_dbus_simple_array_property_getter(DBusMessageIter *iter, 386 const int type, 387 const void *array, 388 size_t array_len, 389 DBusError *error) 390 { 391 DBusMessageIter variant_iter, array_iter; 392 char type_str[] = "a?"; /* ? will be replaced with subtype letter; */ 393 const char *sub_type_str; 394 size_t element_size, i; 395 396 if (!dbus_type_is_basic(type)) { 397 dbus_set_error(error, DBUS_ERROR_FAILED, 398 "%s: given type is not basic", __func__); 399 return FALSE; 400 } 401 402 sub_type_str = wpa_dbus_type_as_string(type); 403 type_str[1] = sub_type_str[0]; 404 405 if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, 406 type_str, &variant_iter) || 407 !dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY, 408 sub_type_str, &array_iter)) { 409 dbus_set_error(error, DBUS_ERROR_FAILED, 410 "%s: failed to construct message", __func__); 411 return FALSE; 412 } 413 414 switch (type) { 415 case DBUS_TYPE_BYTE: 416 case DBUS_TYPE_BOOLEAN: 417 element_size = 1; 418 break; 419 case DBUS_TYPE_INT16: 420 case DBUS_TYPE_UINT16: 421 element_size = sizeof(uint16_t); 422 break; 423 case DBUS_TYPE_INT32: 424 case DBUS_TYPE_UINT32: 425 element_size = sizeof(uint32_t); 426 break; 427 case DBUS_TYPE_INT64: 428 case DBUS_TYPE_UINT64: 429 element_size = sizeof(uint64_t); 430 break; 431 case DBUS_TYPE_DOUBLE: 432 element_size = sizeof(double); 433 break; 434 case DBUS_TYPE_STRING: 435 case DBUS_TYPE_OBJECT_PATH: 436 element_size = sizeof(char *); 437 break; 438 default: 439 dbus_set_error(error, DBUS_ERROR_FAILED, 440 "%s: unknown element type %d", __func__, type); 441 return FALSE; 442 } 443 444 for (i = 0; i < array_len; i++) { 445 if (!dbus_message_iter_append_basic(&array_iter, type, 446 (const char *) array + 447 i * element_size)) { 448 dbus_set_error(error, DBUS_ERROR_FAILED, 449 "%s: failed to construct message 2.5", 450 __func__); 451 return FALSE; 452 } 453 } 454 455 if (!dbus_message_iter_close_container(&variant_iter, &array_iter) || 456 !dbus_message_iter_close_container(iter, &variant_iter)) { 457 dbus_set_error(error, DBUS_ERROR_FAILED, 458 "%s: failed to construct message 3", __func__); 459 return FALSE; 460 } 461 462 return TRUE; 463 } 464 465 466 /** 467 * wpas_dbus_simple_array_array_property_getter - Get array array type property 468 * @iter: Pointer to incoming dbus message iterator 469 * @type: DBus type of property array elements (must be basic type) 470 * @array: pointer to array of elements to put into response message 471 * @array_len: length of above array 472 * @error: a pointer to an error to fill on failure 473 * Returns: TRUE if the request succeeded, FALSE if it failed 474 * 475 * Generic getter for array type properties. Array elements type is 476 * required to be basic. 477 */ 478 dbus_bool_t wpas_dbus_simple_array_array_property_getter(DBusMessageIter *iter, 479 const int type, 480 struct wpabuf **array, 481 size_t array_len, 482 DBusError *error) 483 { 484 DBusMessageIter variant_iter, array_iter; 485 char type_str[] = "aa?"; 486 char inner_type_str[] = "a?"; 487 const char *sub_type_str; 488 size_t i; 489 490 if (!dbus_type_is_basic(type)) { 491 dbus_set_error(error, DBUS_ERROR_FAILED, 492 "%s: given type is not basic", __func__); 493 return FALSE; 494 } 495 496 sub_type_str = wpa_dbus_type_as_string(type); 497 type_str[2] = sub_type_str[0]; 498 inner_type_str[1] = sub_type_str[0]; 499 500 if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, 501 type_str, &variant_iter) || 502 !dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY, 503 inner_type_str, &array_iter)) { 504 dbus_set_error(error, DBUS_ERROR_FAILED, 505 "%s: failed to construct message", __func__); 506 return FALSE; 507 } 508 509 for (i = 0; i < array_len && array[i]; i++) { 510 wpa_dbus_dict_bin_array_add_element(&array_iter, 511 wpabuf_head(array[i]), 512 wpabuf_len(array[i])); 513 514 } 515 516 if (!dbus_message_iter_close_container(&variant_iter, &array_iter) || 517 !dbus_message_iter_close_container(iter, &variant_iter)) { 518 dbus_set_error(error, DBUS_ERROR_FAILED, 519 "%s: failed to close message", __func__); 520 return FALSE; 521 } 522 523 return TRUE; 524 } 525 526 527 /** 528 * wpas_dbus_string_property_getter - Get string type property 529 * @iter: Message iter to use when appending arguments 530 * @val: Pointer to place holding property value, can be %NULL 531 * @error: On failure an error describing the failure 532 * Returns: TRUE if the request was successful, FALSE if it failed 533 * 534 * Generic getter for string type properties. %NULL is converted to an empty 535 * string. 536 */ 537 dbus_bool_t wpas_dbus_string_property_getter(DBusMessageIter *iter, 538 const void *val, 539 DBusError *error) 540 { 541 if (!val) 542 val = ""; 543 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING, 544 &val, error); 545 } 546 547 548 /** 549 * wpas_dbus_handler_create_interface - Request registration of a network iface 550 * @message: Pointer to incoming dbus message 551 * @global: %wpa_supplicant global data structure 552 * Returns: The object path of the new interface object, 553 * or a dbus error message with more information 554 * 555 * Handler function for "CreateInterface" method call. Handles requests 556 * by dbus clients to register a network interface that wpa_supplicant 557 * will manage. 558 */ 559 DBusMessage * wpas_dbus_handler_create_interface(DBusMessage *message, 560 struct wpa_global *global) 561 { 562 DBusMessageIter iter_dict; 563 DBusMessage *reply = NULL; 564 DBusMessageIter iter; 565 struct wpa_dbus_dict_entry entry; 566 char *driver = NULL; 567 char *ifname = NULL; 568 char *confname = NULL; 569 char *bridge_ifname = NULL; 570 571 dbus_message_iter_init(message, &iter); 572 573 if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL)) 574 goto error; 575 while (wpa_dbus_dict_has_dict_entry(&iter_dict)) { 576 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry)) 577 goto error; 578 if (os_strcmp(entry.key, "Driver") == 0 && 579 entry.type == DBUS_TYPE_STRING) { 580 os_free(driver); 581 driver = os_strdup(entry.str_value); 582 wpa_dbus_dict_entry_clear(&entry); 583 if (driver == NULL) 584 goto oom; 585 } else if (os_strcmp(entry.key, "Ifname") == 0 && 586 entry.type == DBUS_TYPE_STRING) { 587 os_free(ifname); 588 ifname = os_strdup(entry.str_value); 589 wpa_dbus_dict_entry_clear(&entry); 590 if (ifname == NULL) 591 goto oom; 592 } else if (os_strcmp(entry.key, "ConfigFile") == 0 && 593 entry.type == DBUS_TYPE_STRING) { 594 os_free(confname); 595 confname = os_strdup(entry.str_value); 596 wpa_dbus_dict_entry_clear(&entry); 597 if (confname == NULL) 598 goto oom; 599 } else if (os_strcmp(entry.key, "BridgeIfname") == 0 && 600 entry.type == DBUS_TYPE_STRING) { 601 os_free(bridge_ifname); 602 bridge_ifname = os_strdup(entry.str_value); 603 wpa_dbus_dict_entry_clear(&entry); 604 if (bridge_ifname == NULL) 605 goto oom; 606 } else { 607 wpa_dbus_dict_entry_clear(&entry); 608 goto error; 609 } 610 } 611 612 if (ifname == NULL) 613 goto error; /* Required Ifname argument missing */ 614 615 /* 616 * Try to get the wpa_supplicant record for this iface, return 617 * an error if we already control it. 618 */ 619 if (wpa_supplicant_get_iface(global, ifname) != NULL) { 620 reply = dbus_message_new_error( 621 message, WPAS_DBUS_ERROR_IFACE_EXISTS, 622 "wpa_supplicant already controls this interface."); 623 } else { 624 struct wpa_supplicant *wpa_s; 625 struct wpa_interface iface; 626 627 os_memset(&iface, 0, sizeof(iface)); 628 iface.driver = driver; 629 iface.ifname = ifname; 630 iface.confname = confname; 631 iface.bridge_ifname = bridge_ifname; 632 /* Otherwise, have wpa_supplicant attach to it. */ 633 wpa_s = wpa_supplicant_add_iface(global, &iface, NULL); 634 if (wpa_s && wpa_s->dbus_new_path) { 635 const char *path = wpa_s->dbus_new_path; 636 637 reply = dbus_message_new_method_return(message); 638 dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, 639 &path, DBUS_TYPE_INVALID); 640 } else { 641 reply = wpas_dbus_error_unknown_error( 642 message, 643 "wpa_supplicant couldn't grab this interface."); 644 } 645 } 646 647 out: 648 os_free(driver); 649 os_free(ifname); 650 os_free(confname); 651 os_free(bridge_ifname); 652 return reply; 653 654 error: 655 reply = wpas_dbus_error_invalid_args(message, NULL); 656 goto out; 657 oom: 658 reply = wpas_dbus_error_no_memory(message); 659 goto out; 660 } 661 662 663 /** 664 * wpas_dbus_handler_remove_interface - Request deregistration of an interface 665 * @message: Pointer to incoming dbus message 666 * @global: wpa_supplicant global data structure 667 * Returns: a dbus message containing a UINT32 indicating success (1) or 668 * failure (0), or returns a dbus error message with more information 669 * 670 * Handler function for "removeInterface" method call. Handles requests 671 * by dbus clients to deregister a network interface that wpa_supplicant 672 * currently manages. 673 */ 674 DBusMessage * wpas_dbus_handler_remove_interface(DBusMessage *message, 675 struct wpa_global *global) 676 { 677 struct wpa_supplicant *wpa_s; 678 char *path; 679 DBusMessage *reply = NULL; 680 681 dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &path, 682 DBUS_TYPE_INVALID); 683 684 wpa_s = get_iface_by_dbus_path(global, path); 685 if (wpa_s == NULL) 686 reply = wpas_dbus_error_iface_unknown(message); 687 else if (wpa_supplicant_remove_iface(global, wpa_s, 0)) { 688 reply = wpas_dbus_error_unknown_error( 689 message, 690 "wpa_supplicant couldn't remove this interface."); 691 } 692 693 return reply; 694 } 695 696 697 /** 698 * wpas_dbus_handler_get_interface - Get the object path for an interface name 699 * @message: Pointer to incoming dbus message 700 * @global: %wpa_supplicant global data structure 701 * Returns: The object path of the interface object, 702 * or a dbus error message with more information 703 * 704 * Handler function for "getInterface" method call. 705 */ 706 DBusMessage * wpas_dbus_handler_get_interface(DBusMessage *message, 707 struct wpa_global *global) 708 { 709 DBusMessage *reply = NULL; 710 const char *ifname; 711 const char *path; 712 struct wpa_supplicant *wpa_s; 713 714 dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &ifname, 715 DBUS_TYPE_INVALID); 716 717 wpa_s = wpa_supplicant_get_iface(global, ifname); 718 if (wpa_s == NULL || wpa_s->dbus_new_path == NULL) 719 return wpas_dbus_error_iface_unknown(message); 720 721 path = wpa_s->dbus_new_path; 722 reply = dbus_message_new_method_return(message); 723 if (reply == NULL) 724 return wpas_dbus_error_no_memory(message); 725 if (!dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &path, 726 DBUS_TYPE_INVALID)) { 727 dbus_message_unref(reply); 728 return wpas_dbus_error_no_memory(message); 729 } 730 731 return reply; 732 } 733 734 735 /** 736 * wpas_dbus_getter_debug_level - Get debug level 737 * @iter: Pointer to incoming dbus message iter 738 * @error: Location to store error on failure 739 * @user_data: Function specific data 740 * Returns: TRUE on success, FALSE on failure 741 * 742 * Getter for "DebugLevel" property. 743 */ 744 dbus_bool_t wpas_dbus_getter_debug_level( 745 const struct wpa_dbus_property_desc *property_desc, 746 DBusMessageIter *iter, DBusError *error, void *user_data) 747 { 748 const char *str; 749 int idx = wpa_debug_level; 750 751 if (idx < 0) 752 idx = 0; 753 if (idx > 5) 754 idx = 5; 755 str = debug_strings[idx]; 756 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING, 757 &str, error); 758 } 759 760 761 /** 762 * wpas_dbus_getter_debug_timestamp - Get debug timestamp 763 * @iter: Pointer to incoming dbus message iter 764 * @error: Location to store error on failure 765 * @user_data: Function specific data 766 * Returns: TRUE on success, FALSE on failure 767 * 768 * Getter for "DebugTimestamp" property. 769 */ 770 dbus_bool_t wpas_dbus_getter_debug_timestamp( 771 const struct wpa_dbus_property_desc *property_desc, 772 DBusMessageIter *iter, DBusError *error, void *user_data) 773 { 774 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN, 775 &wpa_debug_timestamp, error); 776 777 } 778 779 780 /** 781 * wpas_dbus_getter_debug_show_keys - Get debug show keys 782 * @iter: Pointer to incoming dbus message iter 783 * @error: Location to store error on failure 784 * @user_data: Function specific data 785 * Returns: TRUE on success, FALSE on failure 786 * 787 * Getter for "DebugShowKeys" property. 788 */ 789 dbus_bool_t wpas_dbus_getter_debug_show_keys( 790 const struct wpa_dbus_property_desc *property_desc, 791 DBusMessageIter *iter, DBusError *error, void *user_data) 792 { 793 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN, 794 &wpa_debug_show_keys, error); 795 796 } 797 798 /** 799 * wpas_dbus_setter_debug_level - Set debug level 800 * @iter: Pointer to incoming dbus message iter 801 * @error: Location to store error on failure 802 * @user_data: Function specific data 803 * Returns: TRUE on success, FALSE on failure 804 * 805 * Setter for "DebugLevel" property. 806 */ 807 dbus_bool_t wpas_dbus_setter_debug_level( 808 const struct wpa_dbus_property_desc *property_desc, 809 DBusMessageIter *iter, DBusError *error, void *user_data) 810 { 811 struct wpa_global *global = user_data; 812 const char *str = NULL; 813 int i, val = -1; 814 815 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_STRING, 816 &str)) 817 return FALSE; 818 819 for (i = 0; debug_strings[i]; i++) 820 if (os_strcmp(debug_strings[i], str) == 0) { 821 val = i; 822 break; 823 } 824 825 if (val < 0 || 826 wpa_supplicant_set_debug_params(global, val, wpa_debug_timestamp, 827 wpa_debug_show_keys)) { 828 dbus_set_error_const(error, DBUS_ERROR_FAILED, 829 "wrong debug level value"); 830 return FALSE; 831 } 832 833 return TRUE; 834 } 835 836 837 /** 838 * wpas_dbus_setter_debug_timestamp - Set debug timestamp 839 * @iter: Pointer to incoming dbus message iter 840 * @error: Location to store error on failure 841 * @user_data: Function specific data 842 * Returns: TRUE on success, FALSE on failure 843 * 844 * Setter for "DebugTimestamp" property. 845 */ 846 dbus_bool_t wpas_dbus_setter_debug_timestamp( 847 const struct wpa_dbus_property_desc *property_desc, 848 DBusMessageIter *iter, DBusError *error, void *user_data) 849 { 850 struct wpa_global *global = user_data; 851 dbus_bool_t val; 852 853 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN, 854 &val)) 855 return FALSE; 856 857 wpa_supplicant_set_debug_params(global, wpa_debug_level, val ? 1 : 0, 858 wpa_debug_show_keys); 859 return TRUE; 860 } 861 862 863 /** 864 * wpas_dbus_setter_debug_show_keys - Set debug show keys 865 * @iter: Pointer to incoming dbus message iter 866 * @error: Location to store error on failure 867 * @user_data: Function specific data 868 * Returns: TRUE on success, FALSE on failure 869 * 870 * Setter for "DebugShowKeys" property. 871 */ 872 dbus_bool_t wpas_dbus_setter_debug_show_keys( 873 const struct wpa_dbus_property_desc *property_desc, 874 DBusMessageIter *iter, DBusError *error, void *user_data) 875 { 876 struct wpa_global *global = user_data; 877 dbus_bool_t val; 878 879 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN, 880 &val)) 881 return FALSE; 882 883 wpa_supplicant_set_debug_params(global, wpa_debug_level, 884 wpa_debug_timestamp, 885 val ? 1 : 0); 886 return TRUE; 887 } 888 889 890 /** 891 * wpas_dbus_getter_interfaces - Request registered interfaces list 892 * @iter: Pointer to incoming dbus message iter 893 * @error: Location to store error on failure 894 * @user_data: Function specific data 895 * Returns: TRUE on success, FALSE on failure 896 * 897 * Getter for "Interfaces" property. Handles requests 898 * by dbus clients to return list of registered interfaces objects 899 * paths 900 */ 901 dbus_bool_t wpas_dbus_getter_interfaces( 902 const struct wpa_dbus_property_desc *property_desc, 903 DBusMessageIter *iter, DBusError *error, void *user_data) 904 { 905 struct wpa_global *global = user_data; 906 struct wpa_supplicant *wpa_s; 907 const char **paths; 908 unsigned int i = 0, num = 0; 909 dbus_bool_t success; 910 911 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { 912 if (wpa_s->dbus_new_path) 913 num++; 914 } 915 916 paths = os_calloc(num, sizeof(char *)); 917 if (!paths) { 918 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory"); 919 return FALSE; 920 } 921 922 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { 923 if (wpa_s->dbus_new_path) 924 paths[i++] = wpa_s->dbus_new_path; 925 } 926 927 success = wpas_dbus_simple_array_property_getter(iter, 928 DBUS_TYPE_OBJECT_PATH, 929 paths, num, error); 930 931 os_free(paths); 932 return success; 933 } 934 935 936 /** 937 * wpas_dbus_getter_eap_methods - Request supported EAP methods list 938 * @iter: Pointer to incoming dbus message iter 939 * @error: Location to store error on failure 940 * @user_data: Function specific data 941 * Returns: TRUE on success, FALSE on failure 942 * 943 * Getter for "EapMethods" property. Handles requests 944 * by dbus clients to return list of strings with supported EAP methods 945 */ 946 dbus_bool_t wpas_dbus_getter_eap_methods( 947 const struct wpa_dbus_property_desc *property_desc, 948 DBusMessageIter *iter, DBusError *error, void *user_data) 949 { 950 char **eap_methods; 951 size_t num_items = 0; 952 dbus_bool_t success; 953 954 eap_methods = eap_get_names_as_string_array(&num_items); 955 if (!eap_methods) { 956 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory"); 957 return FALSE; 958 } 959 960 success = wpas_dbus_simple_array_property_getter(iter, 961 DBUS_TYPE_STRING, 962 eap_methods, 963 num_items, error); 964 965 while (num_items) 966 os_free(eap_methods[--num_items]); 967 os_free(eap_methods); 968 return success; 969 } 970 971 972 /** 973 * wpas_dbus_getter_global_capabilities - Request supported global capabilities 974 * @iter: Pointer to incoming dbus message iter 975 * @error: Location to store error on failure 976 * @user_data: Function specific data 977 * Returns: TRUE on success, FALSE on failure 978 * 979 * Getter for "Capabilities" property. Handles requests by dbus clients to 980 * return a list of strings with supported capabilities like AP, RSN IBSS, 981 * and P2P that are determined at compile time. 982 */ 983 dbus_bool_t wpas_dbus_getter_global_capabilities( 984 const struct wpa_dbus_property_desc *property_desc, 985 DBusMessageIter *iter, DBusError *error, void *user_data) 986 { 987 const char *capabilities[10] = { NULL, NULL, NULL, NULL, NULL, NULL, 988 NULL, NULL, NULL, NULL }; 989 size_t num_items = 0; 990 #ifdef CONFIG_FILS 991 struct wpa_global *global = user_data; 992 struct wpa_supplicant *wpa_s; 993 int fils_supported = 0, fils_sk_pfs_supported = 0; 994 995 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { 996 if (wpa_is_fils_supported(wpa_s)) 997 fils_supported = 1; 998 if (wpa_is_fils_sk_pfs_supported(wpa_s)) 999 fils_sk_pfs_supported = 1; 1000 } 1001 #endif /* CONFIG_FILS */ 1002 1003 #ifdef CONFIG_AP 1004 capabilities[num_items++] = "ap"; 1005 #endif /* CONFIG_AP */ 1006 #ifdef CONFIG_IBSS_RSN 1007 capabilities[num_items++] = "ibss-rsn"; 1008 #endif /* CONFIG_IBSS_RSN */ 1009 #ifdef CONFIG_P2P 1010 capabilities[num_items++] = "p2p"; 1011 #endif /* CONFIG_P2P */ 1012 #ifdef CONFIG_INTERWORKING 1013 capabilities[num_items++] = "interworking"; 1014 #endif /* CONFIG_INTERWORKING */ 1015 #ifdef CONFIG_IEEE80211W 1016 capabilities[num_items++] = "pmf"; 1017 #endif /* CONFIG_IEEE80211W */ 1018 #ifdef CONFIG_MESH 1019 capabilities[num_items++] = "mesh"; 1020 #endif /* CONFIG_MESH */ 1021 #ifdef CONFIG_FILS 1022 if (fils_supported) 1023 capabilities[num_items++] = "fils"; 1024 if (fils_sk_pfs_supported) 1025 capabilities[num_items++] = "fils_sk_pfs"; 1026 #endif /* CONFIG_FILS */ 1027 #ifdef CONFIG_IEEE80211R 1028 capabilities[num_items++] = "ft"; 1029 #endif /* CONFIG_IEEE80211R */ 1030 #ifdef CONFIG_SHA384 1031 capabilities[num_items++] = "sha384"; 1032 #endif /* CONFIG_SHA384 */ 1033 1034 return wpas_dbus_simple_array_property_getter(iter, 1035 DBUS_TYPE_STRING, 1036 capabilities, 1037 num_items, error); 1038 } 1039 1040 1041 static int wpas_dbus_get_scan_type(DBusMessage *message, DBusMessageIter *var, 1042 char **type, DBusMessage **reply) 1043 { 1044 if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_STRING) { 1045 wpa_printf(MSG_DEBUG, "%s[dbus]: Type must be a string", 1046 __func__); 1047 *reply = wpas_dbus_error_invalid_args( 1048 message, "Wrong Type value type. String required"); 1049 return -1; 1050 } 1051 dbus_message_iter_get_basic(var, type); 1052 return 0; 1053 } 1054 1055 1056 static int wpas_dbus_get_scan_ssids(DBusMessage *message, DBusMessageIter *var, 1057 struct wpa_driver_scan_params *params, 1058 DBusMessage **reply) 1059 { 1060 struct wpa_driver_scan_ssid *ssids = params->ssids; 1061 size_t ssids_num = 0; 1062 u8 *ssid; 1063 DBusMessageIter array_iter, sub_array_iter; 1064 char *val; 1065 int len; 1066 1067 if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) { 1068 wpa_printf(MSG_DEBUG, 1069 "%s[dbus]: ssids must be an array of arrays of bytes", 1070 __func__); 1071 *reply = wpas_dbus_error_invalid_args( 1072 message, 1073 "Wrong SSIDs value type. Array of arrays of bytes required"); 1074 return -1; 1075 } 1076 1077 dbus_message_iter_recurse(var, &array_iter); 1078 1079 if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_ARRAY || 1080 dbus_message_iter_get_element_type(&array_iter) != DBUS_TYPE_BYTE) { 1081 wpa_printf(MSG_DEBUG, 1082 "%s[dbus]: ssids must be an array of arrays of bytes", 1083 __func__); 1084 *reply = wpas_dbus_error_invalid_args( 1085 message, 1086 "Wrong SSIDs value type. Array of arrays of bytes required"); 1087 return -1; 1088 } 1089 1090 while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_ARRAY) { 1091 if (ssids_num >= WPAS_MAX_SCAN_SSIDS) { 1092 wpa_printf(MSG_DEBUG, 1093 "%s[dbus]: Too many ssids specified on scan dbus call", 1094 __func__); 1095 *reply = wpas_dbus_error_invalid_args( 1096 message, 1097 "Too many ssids specified. Specify at most four"); 1098 return -1; 1099 } 1100 1101 dbus_message_iter_recurse(&array_iter, &sub_array_iter); 1102 1103 dbus_message_iter_get_fixed_array(&sub_array_iter, &val, &len); 1104 1105 if (len > SSID_MAX_LEN) { 1106 wpa_printf(MSG_DEBUG, 1107 "%s[dbus]: SSID too long (len=%d max_len=%d)", 1108 __func__, len, SSID_MAX_LEN); 1109 *reply = wpas_dbus_error_invalid_args( 1110 message, "Invalid SSID: too long"); 1111 return -1; 1112 } 1113 1114 if (len != 0) { 1115 ssid = os_memdup(val, len); 1116 if (ssid == NULL) { 1117 *reply = wpas_dbus_error_no_memory(message); 1118 return -1; 1119 } 1120 } else { 1121 /* Allow zero-length SSIDs */ 1122 ssid = NULL; 1123 } 1124 1125 ssids[ssids_num].ssid = ssid; 1126 ssids[ssids_num].ssid_len = len; 1127 1128 dbus_message_iter_next(&array_iter); 1129 ssids_num++; 1130 } 1131 1132 params->num_ssids = ssids_num; 1133 return 0; 1134 } 1135 1136 1137 static int wpas_dbus_get_scan_ies(DBusMessage *message, DBusMessageIter *var, 1138 struct wpa_driver_scan_params *params, 1139 DBusMessage **reply) 1140 { 1141 u8 *ies = NULL, *nies; 1142 int ies_len = 0; 1143 DBusMessageIter array_iter, sub_array_iter; 1144 char *val; 1145 int len; 1146 1147 if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) { 1148 wpa_printf(MSG_DEBUG, 1149 "%s[dbus]: ies must be an array of arrays of bytes", 1150 __func__); 1151 *reply = wpas_dbus_error_invalid_args( 1152 message, 1153 "Wrong IEs value type. Array of arrays of bytes required"); 1154 return -1; 1155 } 1156 1157 dbus_message_iter_recurse(var, &array_iter); 1158 1159 if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_ARRAY || 1160 dbus_message_iter_get_element_type(&array_iter) != DBUS_TYPE_BYTE) { 1161 wpa_printf(MSG_DEBUG, 1162 "%s[dbus]: ies must be an array of arrays of bytes", 1163 __func__); 1164 *reply = wpas_dbus_error_invalid_args( 1165 message, "Wrong IEs value type. Array required"); 1166 return -1; 1167 } 1168 1169 while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_ARRAY) { 1170 dbus_message_iter_recurse(&array_iter, &sub_array_iter); 1171 1172 dbus_message_iter_get_fixed_array(&sub_array_iter, &val, &len); 1173 if (len == 0) { 1174 dbus_message_iter_next(&array_iter); 1175 continue; 1176 } 1177 1178 nies = os_realloc(ies, ies_len + len); 1179 if (nies == NULL) { 1180 os_free(ies); 1181 *reply = wpas_dbus_error_no_memory(message); 1182 return -1; 1183 } 1184 ies = nies; 1185 os_memcpy(ies + ies_len, val, len); 1186 ies_len += len; 1187 1188 dbus_message_iter_next(&array_iter); 1189 } 1190 1191 params->extra_ies = ies; 1192 params->extra_ies_len = ies_len; 1193 return 0; 1194 } 1195 1196 1197 static int wpas_dbus_get_scan_channels(DBusMessage *message, 1198 DBusMessageIter *var, 1199 struct wpa_driver_scan_params *params, 1200 DBusMessage **reply) 1201 { 1202 DBusMessageIter array_iter, sub_array_iter; 1203 int *freqs = NULL, *nfreqs; 1204 int freqs_num = 0; 1205 1206 if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) { 1207 wpa_printf(MSG_DEBUG, 1208 "%s[dbus]: Channels must be an array of structs", 1209 __func__); 1210 *reply = wpas_dbus_error_invalid_args( 1211 message, 1212 "Wrong Channels value type. Array of structs required"); 1213 return -1; 1214 } 1215 1216 dbus_message_iter_recurse(var, &array_iter); 1217 1218 if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_STRUCT) { 1219 wpa_printf(MSG_DEBUG, 1220 "%s[dbus]: Channels must be an array of structs", 1221 __func__); 1222 *reply = wpas_dbus_error_invalid_args( 1223 message, 1224 "Wrong Channels value type. Array of structs required"); 1225 return -1; 1226 } 1227 1228 while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_STRUCT) 1229 { 1230 int freq, width; 1231 1232 dbus_message_iter_recurse(&array_iter, &sub_array_iter); 1233 1234 if (dbus_message_iter_get_arg_type(&sub_array_iter) != 1235 DBUS_TYPE_UINT32) { 1236 wpa_printf(MSG_DEBUG, 1237 "%s[dbus]: Channel must by specified by struct of two UINT32s %c", 1238 __func__, 1239 dbus_message_iter_get_arg_type( 1240 &sub_array_iter)); 1241 *reply = wpas_dbus_error_invalid_args( 1242 message, 1243 "Wrong Channel struct. Two UINT32s required"); 1244 os_free(freqs); 1245 return -1; 1246 } 1247 dbus_message_iter_get_basic(&sub_array_iter, &freq); 1248 1249 if (!dbus_message_iter_next(&sub_array_iter) || 1250 dbus_message_iter_get_arg_type(&sub_array_iter) != 1251 DBUS_TYPE_UINT32) { 1252 wpa_printf(MSG_DEBUG, 1253 "%s[dbus]: Channel must by specified by struct of two UINT32s", 1254 __func__); 1255 *reply = wpas_dbus_error_invalid_args( 1256 message, 1257 "Wrong Channel struct. Two UINT32s required"); 1258 os_free(freqs); 1259 return -1; 1260 } 1261 1262 dbus_message_iter_get_basic(&sub_array_iter, &width); 1263 1264 #define FREQS_ALLOC_CHUNK 32 1265 if (freqs_num % FREQS_ALLOC_CHUNK == 0) { 1266 nfreqs = os_realloc_array( 1267 freqs, freqs_num + FREQS_ALLOC_CHUNK, 1268 sizeof(int)); 1269 if (nfreqs == NULL) 1270 os_free(freqs); 1271 freqs = nfreqs; 1272 } 1273 if (freqs == NULL) { 1274 *reply = wpas_dbus_error_no_memory(message); 1275 return -1; 1276 } 1277 1278 freqs[freqs_num] = freq; 1279 1280 freqs_num++; 1281 dbus_message_iter_next(&array_iter); 1282 } 1283 1284 nfreqs = os_realloc_array(freqs, freqs_num + 1, sizeof(int)); 1285 if (nfreqs == NULL) 1286 os_free(freqs); 1287 freqs = nfreqs; 1288 if (freqs == NULL) { 1289 *reply = wpas_dbus_error_no_memory(message); 1290 return -1; 1291 } 1292 freqs[freqs_num] = 0; 1293 1294 params->freqs = freqs; 1295 return 0; 1296 } 1297 1298 1299 static int wpas_dbus_get_scan_allow_roam(DBusMessage *message, 1300 DBusMessageIter *var, 1301 dbus_bool_t *allow, 1302 DBusMessage **reply) 1303 { 1304 if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_BOOLEAN) { 1305 wpa_printf(MSG_DEBUG, "%s[dbus]: Type must be a boolean", 1306 __func__); 1307 *reply = wpas_dbus_error_invalid_args( 1308 message, "Wrong Type value type. Boolean required"); 1309 return -1; 1310 } 1311 dbus_message_iter_get_basic(var, allow); 1312 return 0; 1313 } 1314 1315 1316 /** 1317 * wpas_dbus_handler_scan - Request a wireless scan on an interface 1318 * @message: Pointer to incoming dbus message 1319 * @wpa_s: wpa_supplicant structure for a network interface 1320 * Returns: NULL indicating success or DBus error message on failure 1321 * 1322 * Handler function for "Scan" method call of a network device. Requests 1323 * that wpa_supplicant perform a wireless scan as soon as possible 1324 * on a particular wireless interface. 1325 */ 1326 DBusMessage * wpas_dbus_handler_scan(DBusMessage *message, 1327 struct wpa_supplicant *wpa_s) 1328 { 1329 DBusMessage *reply = NULL; 1330 DBusMessageIter iter, dict_iter, entry_iter, variant_iter; 1331 char *key = NULL, *type = NULL; 1332 struct wpa_driver_scan_params params; 1333 size_t i; 1334 dbus_bool_t allow_roam = 1; 1335 1336 os_memset(¶ms, 0, sizeof(params)); 1337 1338 dbus_message_iter_init(message, &iter); 1339 1340 dbus_message_iter_recurse(&iter, &dict_iter); 1341 1342 while (dbus_message_iter_get_arg_type(&dict_iter) == 1343 DBUS_TYPE_DICT_ENTRY) { 1344 dbus_message_iter_recurse(&dict_iter, &entry_iter); 1345 dbus_message_iter_get_basic(&entry_iter, &key); 1346 dbus_message_iter_next(&entry_iter); 1347 dbus_message_iter_recurse(&entry_iter, &variant_iter); 1348 1349 if (os_strcmp(key, "Type") == 0) { 1350 if (wpas_dbus_get_scan_type(message, &variant_iter, 1351 &type, &reply) < 0) 1352 goto out; 1353 } else if (os_strcmp(key, "SSIDs") == 0) { 1354 if (wpas_dbus_get_scan_ssids(message, &variant_iter, 1355 ¶ms, &reply) < 0) 1356 goto out; 1357 } else if (os_strcmp(key, "IEs") == 0) { 1358 if (wpas_dbus_get_scan_ies(message, &variant_iter, 1359 ¶ms, &reply) < 0) 1360 goto out; 1361 } else if (os_strcmp(key, "Channels") == 0) { 1362 if (wpas_dbus_get_scan_channels(message, &variant_iter, 1363 ¶ms, &reply) < 0) 1364 goto out; 1365 } else if (os_strcmp(key, "AllowRoam") == 0) { 1366 if (wpas_dbus_get_scan_allow_roam(message, 1367 &variant_iter, 1368 &allow_roam, 1369 &reply) < 0) 1370 goto out; 1371 } else { 1372 wpa_printf(MSG_DEBUG, "%s[dbus]: Unknown argument %s", 1373 __func__, key); 1374 reply = wpas_dbus_error_invalid_args(message, key); 1375 goto out; 1376 } 1377 1378 dbus_message_iter_next(&dict_iter); 1379 } 1380 1381 if (!type) { 1382 wpa_printf(MSG_DEBUG, "%s[dbus]: Scan type not specified", 1383 __func__); 1384 reply = wpas_dbus_error_invalid_args(message, key); 1385 goto out; 1386 } 1387 1388 if (os_strcmp(type, "passive") == 0) { 1389 if (params.num_ssids || params.extra_ies_len) { 1390 wpa_printf(MSG_DEBUG, 1391 "%s[dbus]: SSIDs or IEs specified for passive scan.", 1392 __func__); 1393 reply = wpas_dbus_error_invalid_args( 1394 message, 1395 "You can specify only Channels in passive scan"); 1396 goto out; 1397 } else { 1398 if (wpa_s->sched_scanning) { 1399 wpa_printf(MSG_DEBUG, 1400 "%s[dbus]: Stop ongoing sched_scan to allow requested scan to proceed", 1401 __func__); 1402 wpa_supplicant_cancel_sched_scan(wpa_s); 1403 } 1404 1405 if (params.freqs && params.freqs[0]) { 1406 wpa_s->last_scan_req = MANUAL_SCAN_REQ; 1407 if (wpa_supplicant_trigger_scan(wpa_s, 1408 ¶ms)) { 1409 reply = wpas_dbus_error_scan_error( 1410 message, 1411 "Scan request rejected"); 1412 } 1413 } else { 1414 wpa_s->scan_req = MANUAL_SCAN_REQ; 1415 wpa_supplicant_req_scan(wpa_s, 0, 0); 1416 } 1417 } 1418 } else if (os_strcmp(type, "active") == 0) { 1419 if (!params.num_ssids) { 1420 /* Add wildcard ssid */ 1421 params.num_ssids++; 1422 } 1423 #ifdef CONFIG_AUTOSCAN 1424 autoscan_deinit(wpa_s); 1425 #endif /* CONFIG_AUTOSCAN */ 1426 if (wpa_s->sched_scanning) { 1427 wpa_printf(MSG_DEBUG, 1428 "%s[dbus]: Stop ongoing sched_scan to allow requested scan to proceed", 1429 __func__); 1430 wpa_supplicant_cancel_sched_scan(wpa_s); 1431 } 1432 1433 wpa_s->last_scan_req = MANUAL_SCAN_REQ; 1434 if (wpa_supplicant_trigger_scan(wpa_s, ¶ms)) { 1435 reply = wpas_dbus_error_scan_error( 1436 message, "Scan request rejected"); 1437 } 1438 } else { 1439 wpa_printf(MSG_DEBUG, "%s[dbus]: Unknown scan type: %s", 1440 __func__, type); 1441 reply = wpas_dbus_error_invalid_args(message, 1442 "Wrong scan type"); 1443 goto out; 1444 } 1445 1446 if (!allow_roam) 1447 wpa_s->scan_res_handler = scan_only_handler; 1448 1449 out: 1450 for (i = 0; i < WPAS_MAX_SCAN_SSIDS; i++) 1451 os_free((u8 *) params.ssids[i].ssid); 1452 os_free((u8 *) params.extra_ies); 1453 os_free(params.freqs); 1454 return reply; 1455 } 1456 1457 1458 /* 1459 * wpas_dbus_handler_abort_scan - Request an ongoing scan to be aborted 1460 * @message: Pointer to incoming dbus message 1461 * @wpa_s: wpa_supplicant structure for a network interface 1462 * Returns: Abort failed or no scan in progress DBus error message on failure 1463 * or NULL otherwise. 1464 * 1465 * Handler function for "AbortScan" method call of network interface. 1466 */ 1467 DBusMessage * wpas_dbus_handler_abort_scan(DBusMessage *message, 1468 struct wpa_supplicant *wpa_s) 1469 { 1470 if (wpas_abort_ongoing_scan(wpa_s) < 0) 1471 return dbus_message_new_error( 1472 message, WPAS_DBUS_ERROR_IFACE_SCAN_ERROR, 1473 "Abort failed or no scan in progress"); 1474 1475 return NULL; 1476 } 1477 1478 1479 /** 1480 * wpas_dbus_handler_signal_poll - Request immediate signal properties 1481 * @message: Pointer to incoming dbus message 1482 * @wpa_s: wpa_supplicant structure for a network interface 1483 * Returns: NULL indicating success or DBus error message on failure 1484 * 1485 * Handler function for "SignalPoll" method call of a network device. Requests 1486 * that wpa_supplicant read signal properties like RSSI, noise, and link 1487 * speed and return them. 1488 */ 1489 DBusMessage * wpas_dbus_handler_signal_poll(DBusMessage *message, 1490 struct wpa_supplicant *wpa_s) 1491 { 1492 struct wpa_signal_info si; 1493 DBusMessage *reply = NULL; 1494 DBusMessageIter iter, iter_dict, variant_iter; 1495 int ret; 1496 1497 ret = wpa_drv_signal_poll(wpa_s, &si); 1498 if (ret) { 1499 return dbus_message_new_error(message, DBUS_ERROR_FAILED, 1500 "Failed to read signal"); 1501 } 1502 1503 reply = dbus_message_new_method_return(message); 1504 if (reply == NULL) 1505 goto nomem; 1506 1507 dbus_message_iter_init_append(reply, &iter); 1508 1509 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT, 1510 "a{sv}", &variant_iter) || 1511 !wpa_dbus_dict_open_write(&variant_iter, &iter_dict) || 1512 !wpa_dbus_dict_append_int32(&iter_dict, "rssi", 1513 si.current_signal) || 1514 !wpa_dbus_dict_append_int32(&iter_dict, "linkspeed", 1515 si.current_txrate / 1000) || 1516 !wpa_dbus_dict_append_int32(&iter_dict, "noise", 1517 si.current_noise) || 1518 !wpa_dbus_dict_append_uint32(&iter_dict, "frequency", 1519 si.frequency) || 1520 (si.chanwidth != CHAN_WIDTH_UNKNOWN && 1521 !wpa_dbus_dict_append_string( 1522 &iter_dict, "width", 1523 channel_width_to_string(si.chanwidth))) || 1524 (si.center_frq1 > 0 && si.center_frq2 > 0 && 1525 (!wpa_dbus_dict_append_int32(&iter_dict, "center-frq1", 1526 si.center_frq1) || 1527 !wpa_dbus_dict_append_int32(&iter_dict, "center-frq2", 1528 si.center_frq2))) || 1529 (si.avg_signal && 1530 !wpa_dbus_dict_append_int32(&iter_dict, "avg-rssi", 1531 si.avg_signal)) || 1532 !wpa_dbus_dict_close_write(&variant_iter, &iter_dict) || 1533 !dbus_message_iter_close_container(&iter, &variant_iter)) 1534 goto nomem; 1535 1536 return reply; 1537 1538 nomem: 1539 if (reply) 1540 dbus_message_unref(reply); 1541 return wpas_dbus_error_no_memory(message); 1542 } 1543 1544 1545 /* 1546 * wpas_dbus_handler_disconnect - Terminate the current connection 1547 * @message: Pointer to incoming dbus message 1548 * @wpa_s: wpa_supplicant structure for a network interface 1549 * Returns: NotConnected DBus error message if already not connected 1550 * or NULL otherwise. 1551 * 1552 * Handler function for "Disconnect" method call of network interface. 1553 */ 1554 DBusMessage * wpas_dbus_handler_disconnect(DBusMessage *message, 1555 struct wpa_supplicant *wpa_s) 1556 { 1557 if (wpa_s->current_ssid != NULL) { 1558 wpas_request_disconnection(wpa_s); 1559 return NULL; 1560 } 1561 1562 return dbus_message_new_error(message, WPAS_DBUS_ERROR_NOT_CONNECTED, 1563 "This interface is not connected"); 1564 } 1565 1566 1567 /** 1568 * wpas_dbus_new_iface_add_network - Add a new configured network 1569 * @message: Pointer to incoming dbus message 1570 * @wpa_s: wpa_supplicant structure for a network interface 1571 * Returns: A dbus message containing the object path of the new network 1572 * 1573 * Handler function for "AddNetwork" method call of a network interface. 1574 */ 1575 DBusMessage * wpas_dbus_handler_add_network(DBusMessage *message, 1576 struct wpa_supplicant *wpa_s) 1577 { 1578 DBusMessage *reply = NULL; 1579 DBusMessageIter iter; 1580 struct wpa_ssid *ssid = NULL; 1581 char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *path = path_buf; 1582 DBusError error; 1583 1584 dbus_message_iter_init(message, &iter); 1585 1586 if (wpa_s->dbus_new_path) 1587 ssid = wpa_supplicant_add_network(wpa_s); 1588 if (ssid == NULL) { 1589 wpa_printf(MSG_ERROR, "%s[dbus]: can't add new interface.", 1590 __func__); 1591 reply = wpas_dbus_error_unknown_error( 1592 message, 1593 "wpa_supplicant could not add a network on this interface."); 1594 goto err; 1595 } 1596 1597 dbus_error_init(&error); 1598 if (!set_network_properties(wpa_s, ssid, &iter, &error)) { 1599 wpa_printf(MSG_DEBUG, 1600 "%s[dbus]: control interface couldn't set network properties", 1601 __func__); 1602 reply = wpas_dbus_reply_new_from_error(message, &error, 1603 DBUS_ERROR_INVALID_ARGS, 1604 "Failed to add network"); 1605 dbus_error_free(&error); 1606 goto err; 1607 } 1608 1609 /* Construct the object path for this network. */ 1610 os_snprintf(path, WPAS_DBUS_OBJECT_PATH_MAX, 1611 "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%d", 1612 wpa_s->dbus_new_path, ssid->id); 1613 1614 reply = dbus_message_new_method_return(message); 1615 if (reply == NULL) { 1616 reply = wpas_dbus_error_no_memory(message); 1617 goto err; 1618 } 1619 if (!dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &path, 1620 DBUS_TYPE_INVALID)) { 1621 dbus_message_unref(reply); 1622 reply = wpas_dbus_error_no_memory(message); 1623 goto err; 1624 } 1625 1626 return reply; 1627 1628 err: 1629 if (ssid) { 1630 wpas_notify_network_removed(wpa_s, ssid); 1631 wpa_config_remove_network(wpa_s->conf, ssid->id); 1632 } 1633 return reply; 1634 } 1635 1636 1637 /** 1638 * wpas_dbus_handler_reassociate - Reassociate 1639 * @message: Pointer to incoming dbus message 1640 * @wpa_s: wpa_supplicant structure for a network interface 1641 * Returns: InterfaceDisabled DBus error message if disabled 1642 * or NULL otherwise. 1643 * 1644 * Handler function for "Reassociate" method call of network interface. 1645 */ 1646 DBusMessage * wpas_dbus_handler_reassociate(DBusMessage *message, 1647 struct wpa_supplicant *wpa_s) 1648 { 1649 if (wpa_s->wpa_state != WPA_INTERFACE_DISABLED) { 1650 wpas_request_connection(wpa_s); 1651 return NULL; 1652 } 1653 1654 return dbus_message_new_error(message, WPAS_DBUS_ERROR_IFACE_DISABLED, 1655 "This interface is disabled"); 1656 } 1657 1658 1659 /** 1660 * wpas_dbus_handler_expect_disconnect - ExpectDisconnect 1661 * @message: Pointer to incoming dbus message 1662 * @global: %wpa_supplicant global data structure 1663 * Returns: NULL 1664 * 1665 * Handler function for notifying system there will be a expected disconnect. 1666 * This will prevent wpa_supplicant from adding blacklists upon next disconnect.. 1667 */ 1668 DBusMessage * wpas_dbus_handler_expect_disconnect(DBusMessage *message, 1669 struct wpa_global *global) 1670 { 1671 struct wpa_supplicant *wpa_s = global->ifaces; 1672 1673 for (; wpa_s; wpa_s = wpa_s->next) 1674 if (wpa_s->wpa_state >= WPA_ASSOCIATED) 1675 wpa_s->own_disconnect_req = 1; 1676 return NULL; 1677 } 1678 1679 1680 /** 1681 * wpas_dbus_handler_reattach - Reattach to current AP 1682 * @message: Pointer to incoming dbus message 1683 * @wpa_s: wpa_supplicant structure for a network interface 1684 * Returns: NotConnected DBus error message if not connected 1685 * or NULL otherwise. 1686 * 1687 * Handler function for "Reattach" method call of network interface. 1688 */ 1689 DBusMessage * wpas_dbus_handler_reattach(DBusMessage *message, 1690 struct wpa_supplicant *wpa_s) 1691 { 1692 if (wpa_s->current_ssid != NULL) { 1693 wpa_s->reattach = 1; 1694 wpas_request_connection(wpa_s); 1695 return NULL; 1696 } 1697 1698 return dbus_message_new_error(message, WPAS_DBUS_ERROR_NOT_CONNECTED, 1699 "This interface is not connected"); 1700 } 1701 1702 1703 /** 1704 * wpas_dbus_handler_reconnect - Reconnect if disconnected 1705 * @message: Pointer to incoming dbus message 1706 * @wpa_s: wpa_supplicant structure for a network interface 1707 * Returns: InterfaceDisabled DBus error message if disabled 1708 * or NULL otherwise. 1709 * 1710 * Handler function for "Reconnect" method call of network interface. 1711 */ 1712 DBusMessage * wpas_dbus_handler_reconnect(DBusMessage *message, 1713 struct wpa_supplicant *wpa_s) 1714 { 1715 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) { 1716 return dbus_message_new_error(message, 1717 WPAS_DBUS_ERROR_IFACE_DISABLED, 1718 "This interface is disabled"); 1719 } 1720 1721 if (wpa_s->disconnected) 1722 wpas_request_connection(wpa_s); 1723 return NULL; 1724 } 1725 1726 1727 /** 1728 * wpas_dbus_handler_remove_network - Remove a configured network 1729 * @message: Pointer to incoming dbus message 1730 * @wpa_s: wpa_supplicant structure for a network interface 1731 * Returns: NULL on success or dbus error on failure 1732 * 1733 * Handler function for "RemoveNetwork" method call of a network interface. 1734 */ 1735 DBusMessage * wpas_dbus_handler_remove_network(DBusMessage *message, 1736 struct wpa_supplicant *wpa_s) 1737 { 1738 DBusMessage *reply = NULL; 1739 const char *op; 1740 char *iface, *net_id; 1741 int id; 1742 int result; 1743 1744 dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &op, 1745 DBUS_TYPE_INVALID); 1746 1747 /* Extract the network ID and ensure the network */ 1748 /* is actually a child of this interface */ 1749 iface = wpas_dbus_new_decompose_object_path(op, 1750 WPAS_DBUS_NEW_NETWORKS_PART, 1751 &net_id); 1752 if (iface == NULL || net_id == NULL || !wpa_s->dbus_new_path || 1753 os_strcmp(iface, wpa_s->dbus_new_path) != 0) { 1754 reply = wpas_dbus_error_invalid_args(message, op); 1755 goto out; 1756 } 1757 1758 errno = 0; 1759 id = strtoul(net_id, NULL, 10); 1760 if (errno != 0) { 1761 reply = wpas_dbus_error_invalid_args(message, op); 1762 goto out; 1763 } 1764 1765 result = wpa_supplicant_remove_network(wpa_s, id); 1766 if (result == -1) { 1767 reply = wpas_dbus_error_network_unknown(message); 1768 goto out; 1769 } 1770 if (result == -2) { 1771 wpa_printf(MSG_ERROR, 1772 "%s[dbus]: error occurred when removing network %d", 1773 __func__, id); 1774 reply = wpas_dbus_error_unknown_error( 1775 message, 1776 "error removing the specified network on is interface."); 1777 goto out; 1778 } 1779 1780 out: 1781 os_free(iface); 1782 return reply; 1783 } 1784 1785 1786 static void remove_network(void *arg, struct wpa_ssid *ssid) 1787 { 1788 struct wpa_supplicant *wpa_s = arg; 1789 1790 wpas_notify_network_removed(wpa_s, ssid); 1791 1792 if (wpa_config_remove_network(wpa_s->conf, ssid->id) < 0) { 1793 wpa_printf(MSG_ERROR, 1794 "%s[dbus]: error occurred when removing network %d", 1795 __func__, ssid->id); 1796 return; 1797 } 1798 1799 if (ssid == wpa_s->current_ssid) 1800 wpa_supplicant_deauthenticate(wpa_s, 1801 WLAN_REASON_DEAUTH_LEAVING); 1802 } 1803 1804 1805 /** 1806 * wpas_dbus_handler_remove_all_networks - Remove all configured networks 1807 * @message: Pointer to incoming dbus message 1808 * @wpa_s: wpa_supplicant structure for a network interface 1809 * Returns: NULL on success or dbus error on failure 1810 * 1811 * Handler function for "RemoveAllNetworks" method call of a network interface. 1812 */ 1813 DBusMessage * wpas_dbus_handler_remove_all_networks( 1814 DBusMessage *message, struct wpa_supplicant *wpa_s) 1815 { 1816 if (wpa_s->sched_scanning) 1817 wpa_supplicant_cancel_sched_scan(wpa_s); 1818 1819 /* NB: could check for failure and return an error */ 1820 wpa_config_foreach_network(wpa_s->conf, remove_network, wpa_s); 1821 return NULL; 1822 } 1823 1824 1825 /** 1826 * wpas_dbus_handler_select_network - Attempt association with a network 1827 * @message: Pointer to incoming dbus message 1828 * @wpa_s: wpa_supplicant structure for a network interface 1829 * Returns: NULL on success or dbus error on failure 1830 * 1831 * Handler function for "SelectNetwork" method call of network interface. 1832 */ 1833 DBusMessage * wpas_dbus_handler_select_network(DBusMessage *message, 1834 struct wpa_supplicant *wpa_s) 1835 { 1836 DBusMessage *reply = NULL; 1837 const char *op; 1838 char *iface, *net_id; 1839 int id; 1840 struct wpa_ssid *ssid; 1841 1842 dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &op, 1843 DBUS_TYPE_INVALID); 1844 1845 /* Extract the network ID and ensure the network */ 1846 /* is actually a child of this interface */ 1847 iface = wpas_dbus_new_decompose_object_path(op, 1848 WPAS_DBUS_NEW_NETWORKS_PART, 1849 &net_id); 1850 if (iface == NULL || net_id == NULL || !wpa_s->dbus_new_path || 1851 os_strcmp(iface, wpa_s->dbus_new_path) != 0) { 1852 reply = wpas_dbus_error_invalid_args(message, op); 1853 goto out; 1854 } 1855 1856 errno = 0; 1857 id = strtoul(net_id, NULL, 10); 1858 if (errno != 0) { 1859 reply = wpas_dbus_error_invalid_args(message, op); 1860 goto out; 1861 } 1862 1863 ssid = wpa_config_get_network(wpa_s->conf, id); 1864 if (ssid == NULL) { 1865 reply = wpas_dbus_error_network_unknown(message); 1866 goto out; 1867 } 1868 1869 /* Finally, associate with the network */ 1870 wpa_supplicant_select_network(wpa_s, ssid); 1871 1872 out: 1873 os_free(iface); 1874 return reply; 1875 } 1876 1877 1878 /** 1879 * wpas_dbus_handler_network_reply - Reply to a NetworkRequest signal 1880 * @message: Pointer to incoming dbus message 1881 * @wpa_s: wpa_supplicant structure for a network interface 1882 * Returns: NULL on success or dbus error on failure 1883 * 1884 * Handler function for "NetworkReply" method call of network interface. 1885 */ 1886 DBusMessage * wpas_dbus_handler_network_reply(DBusMessage *message, 1887 struct wpa_supplicant *wpa_s) 1888 { 1889 #ifdef IEEE8021X_EAPOL 1890 DBusMessage *reply = NULL; 1891 const char *op, *field, *value; 1892 char *iface, *net_id; 1893 int id; 1894 struct wpa_ssid *ssid; 1895 1896 if (!dbus_message_get_args(message, NULL, 1897 DBUS_TYPE_OBJECT_PATH, &op, 1898 DBUS_TYPE_STRING, &field, 1899 DBUS_TYPE_STRING, &value, 1900 DBUS_TYPE_INVALID)) 1901 return wpas_dbus_error_invalid_args(message, NULL); 1902 1903 /* Extract the network ID and ensure the network */ 1904 /* is actually a child of this interface */ 1905 iface = wpas_dbus_new_decompose_object_path(op, 1906 WPAS_DBUS_NEW_NETWORKS_PART, 1907 &net_id); 1908 if (iface == NULL || net_id == NULL || !wpa_s->dbus_new_path || 1909 os_strcmp(iface, wpa_s->dbus_new_path) != 0) { 1910 reply = wpas_dbus_error_invalid_args(message, op); 1911 goto out; 1912 } 1913 1914 errno = 0; 1915 id = strtoul(net_id, NULL, 10); 1916 if (errno != 0) { 1917 reply = wpas_dbus_error_invalid_args(message, net_id); 1918 goto out; 1919 } 1920 1921 ssid = wpa_config_get_network(wpa_s->conf, id); 1922 if (ssid == NULL) { 1923 reply = wpas_dbus_error_network_unknown(message); 1924 goto out; 1925 } 1926 1927 if (wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, 1928 field, value) < 0) 1929 reply = wpas_dbus_error_invalid_args(message, field); 1930 else { 1931 /* Tell EAP to retry immediately */ 1932 eapol_sm_notify_ctrl_response(wpa_s->eapol); 1933 } 1934 1935 out: 1936 os_free(iface); 1937 return reply; 1938 #else /* IEEE8021X_EAPOL */ 1939 wpa_printf(MSG_DEBUG, "dbus: 802.1X not included"); 1940 return wpas_dbus_error_unknown_error(message, "802.1X not included"); 1941 #endif /* IEEE8021X_EAPOL */ 1942 } 1943 1944 1945 #ifndef CONFIG_NO_CONFIG_BLOBS 1946 1947 /** 1948 * wpas_dbus_handler_add_blob - Store named binary blob (ie, for certificates) 1949 * @message: Pointer to incoming dbus message 1950 * @wpa_s: %wpa_supplicant data structure 1951 * Returns: A dbus message containing an error on failure or NULL on success 1952 * 1953 * Asks wpa_supplicant to internally store a binary blobs. 1954 */ 1955 DBusMessage * wpas_dbus_handler_add_blob(DBusMessage *message, 1956 struct wpa_supplicant *wpa_s) 1957 { 1958 DBusMessage *reply = NULL; 1959 DBusMessageIter iter, array_iter; 1960 1961 char *blob_name; 1962 u8 *blob_data; 1963 int blob_len; 1964 struct wpa_config_blob *blob = NULL; 1965 1966 dbus_message_iter_init(message, &iter); 1967 dbus_message_iter_get_basic(&iter, &blob_name); 1968 1969 if (wpa_config_get_blob(wpa_s->conf, blob_name)) { 1970 return dbus_message_new_error(message, 1971 WPAS_DBUS_ERROR_BLOB_EXISTS, 1972 NULL); 1973 } 1974 1975 dbus_message_iter_next(&iter); 1976 dbus_message_iter_recurse(&iter, &array_iter); 1977 1978 dbus_message_iter_get_fixed_array(&array_iter, &blob_data, &blob_len); 1979 1980 blob = os_zalloc(sizeof(*blob)); 1981 if (!blob) { 1982 reply = wpas_dbus_error_no_memory(message); 1983 goto err; 1984 } 1985 1986 blob->data = os_memdup(blob_data, blob_len); 1987 blob->name = os_strdup(blob_name); 1988 if (!blob->data || !blob->name) { 1989 reply = wpas_dbus_error_no_memory(message); 1990 goto err; 1991 } 1992 blob->len = blob_len; 1993 1994 wpa_config_set_blob(wpa_s->conf, blob); 1995 wpas_notify_blob_added(wpa_s, blob->name); 1996 1997 return reply; 1998 1999 err: 2000 if (blob) { 2001 os_free(blob->name); 2002 os_free(blob->data); 2003 os_free(blob); 2004 } 2005 return reply; 2006 } 2007 2008 2009 /** 2010 * wpas_dbus_handler_get_blob - Get named binary blob (ie, for certificates) 2011 * @message: Pointer to incoming dbus message 2012 * @wpa_s: %wpa_supplicant data structure 2013 * Returns: A dbus message containing array of bytes (blob) 2014 * 2015 * Gets one wpa_supplicant's binary blobs. 2016 */ 2017 DBusMessage * wpas_dbus_handler_get_blob(DBusMessage *message, 2018 struct wpa_supplicant *wpa_s) 2019 { 2020 DBusMessage *reply = NULL; 2021 DBusMessageIter iter, array_iter; 2022 2023 char *blob_name; 2024 const struct wpa_config_blob *blob; 2025 2026 dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &blob_name, 2027 DBUS_TYPE_INVALID); 2028 2029 blob = wpa_config_get_blob(wpa_s->conf, blob_name); 2030 if (!blob) { 2031 return dbus_message_new_error(message, 2032 WPAS_DBUS_ERROR_BLOB_UNKNOWN, 2033 "Blob id not set"); 2034 } 2035 2036 reply = dbus_message_new_method_return(message); 2037 if (!reply) 2038 return wpas_dbus_error_no_memory(message); 2039 2040 dbus_message_iter_init_append(reply, &iter); 2041 2042 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, 2043 DBUS_TYPE_BYTE_AS_STRING, 2044 &array_iter) || 2045 !dbus_message_iter_append_fixed_array(&array_iter, DBUS_TYPE_BYTE, 2046 &(blob->data), blob->len) || 2047 !dbus_message_iter_close_container(&iter, &array_iter)) { 2048 dbus_message_unref(reply); 2049 reply = wpas_dbus_error_no_memory(message); 2050 } 2051 2052 return reply; 2053 } 2054 2055 2056 /** 2057 * wpas_remove_handler_remove_blob - Remove named binary blob 2058 * @message: Pointer to incoming dbus message 2059 * @wpa_s: %wpa_supplicant data structure 2060 * Returns: NULL on success or dbus error 2061 * 2062 * Asks wpa_supplicant to internally remove a binary blobs. 2063 */ 2064 DBusMessage * wpas_dbus_handler_remove_blob(DBusMessage *message, 2065 struct wpa_supplicant *wpa_s) 2066 { 2067 DBusMessage *reply = NULL; 2068 char *blob_name; 2069 2070 dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &blob_name, 2071 DBUS_TYPE_INVALID); 2072 2073 if (wpa_config_remove_blob(wpa_s->conf, blob_name)) { 2074 return dbus_message_new_error(message, 2075 WPAS_DBUS_ERROR_BLOB_UNKNOWN, 2076 "Blob id not set"); 2077 } 2078 wpas_notify_blob_removed(wpa_s, blob_name); 2079 2080 return reply; 2081 2082 } 2083 2084 #endif /* CONFIG_NO_CONFIG_BLOBS */ 2085 2086 2087 /* 2088 * wpas_dbus_handler_flush_bss - Flush the BSS cache 2089 * @message: Pointer to incoming dbus message 2090 * @wpa_s: wpa_supplicant structure for a network interface 2091 * Returns: NULL 2092 * 2093 * Handler function for "FlushBSS" method call of network interface. 2094 */ 2095 DBusMessage * wpas_dbus_handler_flush_bss(DBusMessage *message, 2096 struct wpa_supplicant *wpa_s) 2097 { 2098 dbus_uint32_t age; 2099 2100 dbus_message_get_args(message, NULL, DBUS_TYPE_UINT32, &age, 2101 DBUS_TYPE_INVALID); 2102 2103 if (age == 0) 2104 wpa_bss_flush(wpa_s); 2105 else 2106 wpa_bss_flush_by_age(wpa_s, age); 2107 2108 return NULL; 2109 } 2110 2111 2112 #ifdef CONFIG_AUTOSCAN 2113 /** 2114 * wpas_dbus_handler_autoscan - Set autoscan parameters for the interface 2115 * @message: Pointer to incoming dbus message 2116 * @wpa_s: wpa_supplicant structure for a network interface 2117 * Returns: NULL 2118 * 2119 * Handler function for "AutoScan" method call of network interface. 2120 */ 2121 DBusMessage * wpas_dbus_handler_autoscan(DBusMessage *message, 2122 struct wpa_supplicant *wpa_s) 2123 { 2124 DBusMessage *reply = NULL; 2125 enum wpa_states state = wpa_s->wpa_state; 2126 char *arg; 2127 2128 dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &arg, 2129 DBUS_TYPE_INVALID); 2130 2131 if (arg != NULL && os_strlen(arg) > 0) { 2132 char *tmp; 2133 2134 tmp = os_strdup(arg); 2135 if (tmp == NULL) { 2136 reply = wpas_dbus_error_no_memory(message); 2137 } else { 2138 os_free(wpa_s->conf->autoscan); 2139 wpa_s->conf->autoscan = tmp; 2140 if (state == WPA_DISCONNECTED || state == WPA_INACTIVE) 2141 autoscan_init(wpa_s, 1); 2142 else if (state == WPA_SCANNING) 2143 wpa_supplicant_reinit_autoscan(wpa_s); 2144 } 2145 } else if (arg != NULL && os_strlen(arg) == 0) { 2146 os_free(wpa_s->conf->autoscan); 2147 wpa_s->conf->autoscan = NULL; 2148 autoscan_deinit(wpa_s); 2149 } else 2150 reply = dbus_message_new_error(message, 2151 DBUS_ERROR_INVALID_ARGS, 2152 NULL); 2153 2154 return reply; 2155 } 2156 #endif /* CONFIG_AUTOSCAN */ 2157 2158 2159 /* 2160 * wpas_dbus_handler_eap_logoff - IEEE 802.1X EAPOL state machine logoff 2161 * @message: Pointer to incoming dbus message 2162 * @wpa_s: wpa_supplicant structure for a network interface 2163 * Returns: NULL 2164 * 2165 * Handler function for "EAPLogoff" method call of network interface. 2166 */ 2167 DBusMessage * wpas_dbus_handler_eap_logoff(DBusMessage *message, 2168 struct wpa_supplicant *wpa_s) 2169 { 2170 eapol_sm_notify_logoff(wpa_s->eapol, TRUE); 2171 return NULL; 2172 } 2173 2174 2175 /* 2176 * wpas_dbus_handler_eap_logon - IEEE 802.1X EAPOL state machine logon 2177 * @message: Pointer to incoming dbus message 2178 * @wpa_s: wpa_supplicant structure for a network interface 2179 * Returns: NULL 2180 * 2181 * Handler function for "EAPLogin" method call of network interface. 2182 */ 2183 DBusMessage * wpas_dbus_handler_eap_logon(DBusMessage *message, 2184 struct wpa_supplicant *wpa_s) 2185 { 2186 eapol_sm_notify_logoff(wpa_s->eapol, FALSE); 2187 return NULL; 2188 } 2189 2190 2191 #ifdef CONFIG_TDLS 2192 2193 static int get_peer_hwaddr_helper(DBusMessage *message, const char *func_name, 2194 u8 *peer_address, DBusMessage **error) 2195 { 2196 const char *peer_string; 2197 2198 *error = NULL; 2199 2200 if (!dbus_message_get_args(message, NULL, 2201 DBUS_TYPE_STRING, &peer_string, 2202 DBUS_TYPE_INVALID)) { 2203 *error = wpas_dbus_error_invalid_args(message, NULL); 2204 return -1; 2205 } 2206 2207 if (hwaddr_aton(peer_string, peer_address)) { 2208 wpa_printf(MSG_DEBUG, "%s: invalid address '%s'", 2209 func_name, peer_string); 2210 *error = wpas_dbus_error_invalid_args( 2211 message, "Invalid hardware address format"); 2212 return -1; 2213 } 2214 2215 return 0; 2216 } 2217 2218 2219 /* 2220 * wpas_dbus_handler_tdls_discover - Discover TDLS peer 2221 * @message: Pointer to incoming dbus message 2222 * @wpa_s: wpa_supplicant structure for a network interface 2223 * Returns: NULL indicating success or DBus error message on failure 2224 * 2225 * Handler function for "TDLSDiscover" method call of network interface. 2226 */ 2227 DBusMessage * wpas_dbus_handler_tdls_discover(DBusMessage *message, 2228 struct wpa_supplicant *wpa_s) 2229 { 2230 u8 peer[ETH_ALEN]; 2231 DBusMessage *error_reply; 2232 int ret; 2233 2234 if (get_peer_hwaddr_helper(message, __func__, peer, &error_reply) < 0) 2235 return error_reply; 2236 2237 wpa_printf(MSG_DEBUG, "DBUS TDLS_DISCOVER " MACSTR, MAC2STR(peer)); 2238 2239 if (wpa_tdls_is_external_setup(wpa_s->wpa)) 2240 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer); 2241 else 2242 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer); 2243 2244 if (ret) { 2245 return wpas_dbus_error_unknown_error( 2246 message, "error performing TDLS discovery"); 2247 } 2248 2249 return NULL; 2250 } 2251 2252 2253 /* 2254 * wpas_dbus_handler_tdls_setup - Setup TDLS session 2255 * @message: Pointer to incoming dbus message 2256 * @wpa_s: wpa_supplicant structure for a network interface 2257 * Returns: NULL indicating success or DBus error message on failure 2258 * 2259 * Handler function for "TDLSSetup" method call of network interface. 2260 */ 2261 DBusMessage * wpas_dbus_handler_tdls_setup(DBusMessage *message, 2262 struct wpa_supplicant *wpa_s) 2263 { 2264 u8 peer[ETH_ALEN]; 2265 DBusMessage *error_reply; 2266 int ret; 2267 2268 if (get_peer_hwaddr_helper(message, __func__, peer, &error_reply) < 0) 2269 return error_reply; 2270 2271 wpa_printf(MSG_DEBUG, "DBUS TDLS_SETUP " MACSTR, MAC2STR(peer)); 2272 2273 wpa_tdls_remove(wpa_s->wpa, peer); 2274 if (wpa_tdls_is_external_setup(wpa_s->wpa)) 2275 ret = wpa_tdls_start(wpa_s->wpa, peer); 2276 else 2277 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer); 2278 2279 if (ret) { 2280 return wpas_dbus_error_unknown_error( 2281 message, "error performing TDLS setup"); 2282 } 2283 2284 return NULL; 2285 } 2286 2287 2288 /* 2289 * wpas_dbus_handler_tdls_status - Return TDLS session status 2290 * @message: Pointer to incoming dbus message 2291 * @wpa_s: wpa_supplicant structure for a network interface 2292 * Returns: A string representing the state of the link to this TDLS peer 2293 * 2294 * Handler function for "TDLSStatus" method call of network interface. 2295 */ 2296 DBusMessage * wpas_dbus_handler_tdls_status(DBusMessage *message, 2297 struct wpa_supplicant *wpa_s) 2298 { 2299 u8 peer[ETH_ALEN]; 2300 DBusMessage *reply; 2301 const char *tdls_status; 2302 2303 if (get_peer_hwaddr_helper(message, __func__, peer, &reply) < 0) 2304 return reply; 2305 2306 wpa_printf(MSG_DEBUG, "DBUS TDLS_STATUS " MACSTR, MAC2STR(peer)); 2307 2308 tdls_status = wpa_tdls_get_link_status(wpa_s->wpa, peer); 2309 2310 reply = dbus_message_new_method_return(message); 2311 dbus_message_append_args(reply, DBUS_TYPE_STRING, 2312 &tdls_status, DBUS_TYPE_INVALID); 2313 return reply; 2314 } 2315 2316 2317 /* 2318 * wpas_dbus_handler_tdls_teardown - Teardown TDLS session 2319 * @message: Pointer to incoming dbus message 2320 * @wpa_s: wpa_supplicant structure for a network interface 2321 * Returns: NULL indicating success or DBus error message on failure 2322 * 2323 * Handler function for "TDLSTeardown" method call of network interface. 2324 */ 2325 DBusMessage * wpas_dbus_handler_tdls_teardown(DBusMessage *message, 2326 struct wpa_supplicant *wpa_s) 2327 { 2328 u8 peer[ETH_ALEN]; 2329 DBusMessage *error_reply; 2330 int ret; 2331 2332 if (get_peer_hwaddr_helper(message, __func__, peer, &error_reply) < 0) 2333 return error_reply; 2334 2335 wpa_printf(MSG_DEBUG, "DBUS TDLS_TEARDOWN " MACSTR, MAC2STR(peer)); 2336 2337 if (wpa_tdls_is_external_setup(wpa_s->wpa)) 2338 ret = wpa_tdls_teardown_link( 2339 wpa_s->wpa, peer, 2340 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED); 2341 else 2342 ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer); 2343 2344 if (ret) { 2345 return wpas_dbus_error_unknown_error( 2346 message, "error performing TDLS teardown"); 2347 } 2348 2349 return NULL; 2350 } 2351 2352 /* 2353 * wpas_dbus_handler_tdls_channel_switch - Enable channel switching with TDLS peer 2354 * @message: Pointer to incoming dbus message 2355 * @wpa_s: wpa_supplicant structure for a network interface 2356 * Returns: NULL indicating success or DBus error message on failure 2357 * 2358 * Handler function for "TDLSChannelSwitch" method call of network interface. 2359 */ 2360 DBusMessage * 2361 wpas_dbus_handler_tdls_channel_switch(DBusMessage *message, 2362 struct wpa_supplicant *wpa_s) 2363 { 2364 DBusMessageIter iter, iter_dict; 2365 struct wpa_dbus_dict_entry entry; 2366 u8 peer[ETH_ALEN]; 2367 struct hostapd_freq_params freq_params; 2368 u8 oper_class = 0; 2369 int ret; 2370 int is_peer_present = 0; 2371 2372 if (!wpa_tdls_is_external_setup(wpa_s->wpa)) { 2373 wpa_printf(MSG_INFO, 2374 "tdls_chanswitch: Only supported with external setup"); 2375 return wpas_dbus_error_unknown_error(message, "TDLS is not using external setup"); 2376 } 2377 2378 os_memset(&freq_params, 0, sizeof(freq_params)); 2379 2380 dbus_message_iter_init(message, &iter); 2381 2382 if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL)) 2383 return wpas_dbus_error_invalid_args(message, NULL); 2384 2385 while (wpa_dbus_dict_has_dict_entry(&iter_dict)) { 2386 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry)) 2387 return wpas_dbus_error_invalid_args(message, NULL); 2388 2389 if (os_strcmp(entry.key, "PeerAddress") == 0 && 2390 entry.type == DBUS_TYPE_STRING) { 2391 if (hwaddr_aton(entry.str_value, peer)) { 2392 wpa_printf(MSG_DEBUG, 2393 "tdls_chanswitch: Invalid address '%s'", 2394 entry.str_value); 2395 wpa_dbus_dict_entry_clear(&entry); 2396 return wpas_dbus_error_invalid_args(message, 2397 NULL); 2398 } 2399 2400 is_peer_present = 1; 2401 } else if (os_strcmp(entry.key, "OperClass") == 0 && 2402 entry.type == DBUS_TYPE_BYTE) { 2403 oper_class = entry.byte_value; 2404 } else if (os_strcmp(entry.key, "Frequency") == 0 && 2405 entry.type == DBUS_TYPE_UINT32) { 2406 freq_params.freq = entry.uint32_value; 2407 } else if (os_strcmp(entry.key, "SecChannelOffset") == 0 && 2408 entry.type == DBUS_TYPE_UINT32) { 2409 freq_params.sec_channel_offset = entry.uint32_value; 2410 } else if (os_strcmp(entry.key, "CenterFrequency1") == 0 && 2411 entry.type == DBUS_TYPE_UINT32) { 2412 freq_params.center_freq1 = entry.uint32_value; 2413 } else if (os_strcmp(entry.key, "CenterFrequency2") == 0 && 2414 entry.type == DBUS_TYPE_UINT32) { 2415 freq_params.center_freq2 = entry.uint32_value; 2416 } else if (os_strcmp(entry.key, "Bandwidth") == 0 && 2417 entry.type == DBUS_TYPE_UINT32) { 2418 freq_params.bandwidth = entry.uint32_value; 2419 } else if (os_strcmp(entry.key, "HT") == 0 && 2420 entry.type == DBUS_TYPE_BOOLEAN) { 2421 freq_params.ht_enabled = entry.bool_value; 2422 } else if (os_strcmp(entry.key, "VHT") == 0 && 2423 entry.type == DBUS_TYPE_BOOLEAN) { 2424 freq_params.vht_enabled = entry.bool_value; 2425 } else { 2426 wpa_dbus_dict_entry_clear(&entry); 2427 return wpas_dbus_error_invalid_args(message, NULL); 2428 } 2429 2430 wpa_dbus_dict_entry_clear(&entry); 2431 } 2432 2433 if (oper_class == 0) { 2434 wpa_printf(MSG_INFO, 2435 "tdls_chanswitch: Invalid op class provided"); 2436 return wpas_dbus_error_invalid_args( 2437 message, "Invalid op class provided"); 2438 } 2439 2440 if (freq_params.freq == 0) { 2441 wpa_printf(MSG_INFO, 2442 "tdls_chanswitch: Invalid freq provided"); 2443 return wpas_dbus_error_invalid_args(message, 2444 "Invalid freq provided"); 2445 } 2446 2447 if (is_peer_present == 0) { 2448 wpa_printf(MSG_DEBUG, 2449 "tdls_chanswitch: peer address not provided"); 2450 return wpas_dbus_error_invalid_args( 2451 message, "peer address not provided"); 2452 } 2453 2454 wpa_printf(MSG_DEBUG, "dbus: TDLS_CHAN_SWITCH " MACSTR 2455 " OP CLASS %d FREQ %d CENTER1 %d CENTER2 %d BW %d SEC_OFFSET %d%s%s", 2456 MAC2STR(peer), oper_class, freq_params.freq, 2457 freq_params.center_freq1, freq_params.center_freq2, 2458 freq_params.bandwidth, freq_params.sec_channel_offset, 2459 freq_params.ht_enabled ? " HT" : "", 2460 freq_params.vht_enabled ? " VHT" : ""); 2461 2462 ret = wpa_tdls_enable_chan_switch(wpa_s->wpa, peer, oper_class, 2463 &freq_params); 2464 if (ret) 2465 return wpas_dbus_error_unknown_error( 2466 message, "error processing TDLS channel switch"); 2467 2468 return NULL; 2469 } 2470 2471 /* 2472 * wpas_dbus_handler_tdls_cancel_channel_switch - Disable channel switching with TDLS peer 2473 * @message: Pointer to incoming dbus message 2474 * @wpa_s: wpa_supplicant structure for a network interface 2475 * Returns: NULL indicating success or DBus error message on failure 2476 * 2477 * Handler function for "TDLSCancelChannelSwitch" method call of network 2478 * interface. 2479 */ 2480 DBusMessage * 2481 wpas_dbus_handler_tdls_cancel_channel_switch(DBusMessage *message, 2482 struct wpa_supplicant *wpa_s) 2483 { 2484 u8 peer[ETH_ALEN]; 2485 DBusMessage *error_reply; 2486 int ret; 2487 2488 if (get_peer_hwaddr_helper(message, __func__, peer, &error_reply) < 0) 2489 return error_reply; 2490 2491 wpa_printf(MSG_DEBUG, "dbus: TDLS_CANCEL_CHAN_SWITCH " MACSTR, 2492 MAC2STR(peer)); 2493 2494 ret = wpa_tdls_disable_chan_switch(wpa_s->wpa, peer); 2495 if (ret) 2496 return wpas_dbus_error_unknown_error( 2497 message, "error canceling TDLS channel switch"); 2498 2499 return NULL; 2500 } 2501 2502 #endif /* CONFIG_TDLS */ 2503 2504 2505 #ifndef CONFIG_NO_CONFIG_WRITE 2506 /** 2507 * wpas_dbus_handler_save_config - Save configuration to configuration file 2508 * @message: Pointer to incoming dbus message 2509 * @wpa_s: wpa_supplicant structure for a network interface 2510 * Returns: NULL on Success, Otherwise errror message 2511 * 2512 * Handler function for "SaveConfig" method call of network interface. 2513 */ 2514 DBusMessage * wpas_dbus_handler_save_config(DBusMessage *message, 2515 struct wpa_supplicant *wpa_s) 2516 { 2517 int ret; 2518 2519 if (!wpa_s->conf->update_config) { 2520 return wpas_dbus_error_unknown_error( 2521 message, 2522 "Not allowed to update configuration (update_config=0)"); 2523 } 2524 2525 ret = wpa_config_write(wpa_s->confname, wpa_s->conf); 2526 if (ret) 2527 return wpas_dbus_error_unknown_error( 2528 message, "Failed to update configuration"); 2529 return NULL; 2530 } 2531 #endif /* CONFIG_NO_CONFIG_WRITE */ 2532 2533 2534 /** 2535 * wpas_dbus_handler_set_pkcs11_engine_and_module_path - Set PKCS #11 engine and module path 2536 * @message: Pointer to incoming dbus message 2537 * @wpa_s: %wpa_supplicant data structure 2538 * Returns: A dbus message containing an error on failure or NULL on success 2539 * 2540 * Sets the PKCS #11 engine and module path. 2541 */ 2542 DBusMessage * wpas_dbus_handler_set_pkcs11_engine_and_module_path( 2543 DBusMessage *message, struct wpa_supplicant *wpa_s) 2544 { 2545 DBusMessageIter iter; 2546 char *value = NULL; 2547 char *pkcs11_engine_path = NULL; 2548 char *pkcs11_module_path = NULL; 2549 2550 dbus_message_iter_init(message, &iter); 2551 dbus_message_iter_get_basic(&iter, &value); 2552 if (value == NULL) { 2553 return dbus_message_new_error( 2554 message, DBUS_ERROR_INVALID_ARGS, 2555 "Invalid pkcs11_engine_path argument"); 2556 } 2557 /* Empty path defaults to NULL */ 2558 if (os_strlen(value)) 2559 pkcs11_engine_path = value; 2560 2561 dbus_message_iter_next(&iter); 2562 dbus_message_iter_get_basic(&iter, &value); 2563 if (value == NULL) { 2564 os_free(pkcs11_engine_path); 2565 return dbus_message_new_error( 2566 message, DBUS_ERROR_INVALID_ARGS, 2567 "Invalid pkcs11_module_path argument"); 2568 } 2569 /* Empty path defaults to NULL */ 2570 if (os_strlen(value)) 2571 pkcs11_module_path = value; 2572 2573 if (wpas_set_pkcs11_engine_and_module_path(wpa_s, pkcs11_engine_path, 2574 pkcs11_module_path)) 2575 return dbus_message_new_error( 2576 message, DBUS_ERROR_FAILED, 2577 "Reinit of the EAPOL state machine with the new PKCS #11 engine and module path failed."); 2578 2579 if (wpa_s->dbus_new_path) { 2580 wpa_dbus_mark_property_changed( 2581 wpa_s->global->dbus, wpa_s->dbus_new_path, 2582 WPAS_DBUS_NEW_IFACE_INTERFACE, "PKCS11EnginePath"); 2583 wpa_dbus_mark_property_changed( 2584 wpa_s->global->dbus, wpa_s->dbus_new_path, 2585 WPAS_DBUS_NEW_IFACE_INTERFACE, "PKCS11ModulePath"); 2586 } 2587 2588 return NULL; 2589 } 2590 2591 2592 /** 2593 * wpas_dbus_getter_capabilities - Return interface capabilities 2594 * @iter: Pointer to incoming dbus message iter 2595 * @error: Location to store error on failure 2596 * @user_data: Function specific data 2597 * Returns: TRUE on success, FALSE on failure 2598 * 2599 * Getter for "Capabilities" property of an interface. 2600 */ 2601 dbus_bool_t wpas_dbus_getter_capabilities( 2602 const struct wpa_dbus_property_desc *property_desc, 2603 DBusMessageIter *iter, DBusError *error, void *user_data) 2604 { 2605 struct wpa_supplicant *wpa_s = user_data; 2606 struct wpa_driver_capa capa; 2607 int res; 2608 DBusMessageIter iter_dict, iter_dict_entry, iter_dict_val, iter_array, 2609 variant_iter; 2610 const char *scans[] = { "active", "passive", "ssid" }; 2611 2612 if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, 2613 "a{sv}", &variant_iter) || 2614 !wpa_dbus_dict_open_write(&variant_iter, &iter_dict)) 2615 goto nomem; 2616 2617 res = wpa_drv_get_capa(wpa_s, &capa); 2618 2619 /***** pairwise cipher */ 2620 if (res < 0) { 2621 const char *args[] = {"ccmp", "tkip", "none"}; 2622 2623 if (!wpa_dbus_dict_append_string_array( 2624 &iter_dict, "Pairwise", args, 2625 ARRAY_SIZE(args))) 2626 goto nomem; 2627 } else { 2628 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Pairwise", 2629 &iter_dict_entry, 2630 &iter_dict_val, 2631 &iter_array) || 2632 ((capa.enc & WPA_DRIVER_CAPA_ENC_CCMP_256) && 2633 !wpa_dbus_dict_string_array_add_element( 2634 &iter_array, "ccmp-256")) || 2635 ((capa.enc & WPA_DRIVER_CAPA_ENC_GCMP_256) && 2636 !wpa_dbus_dict_string_array_add_element( 2637 &iter_array, "gcmp-256")) || 2638 ((capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) && 2639 !wpa_dbus_dict_string_array_add_element( 2640 &iter_array, "ccmp")) || 2641 ((capa.enc & WPA_DRIVER_CAPA_ENC_GCMP) && 2642 !wpa_dbus_dict_string_array_add_element( 2643 &iter_array, "gcmp")) || 2644 ((capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) && 2645 !wpa_dbus_dict_string_array_add_element( 2646 &iter_array, "tkip")) || 2647 ((capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) && 2648 !wpa_dbus_dict_string_array_add_element( 2649 &iter_array, "none")) || 2650 !wpa_dbus_dict_end_string_array(&iter_dict, 2651 &iter_dict_entry, 2652 &iter_dict_val, 2653 &iter_array)) 2654 goto nomem; 2655 } 2656 2657 /***** group cipher */ 2658 if (res < 0) { 2659 const char *args[] = { 2660 "ccmp", "tkip", "wep104", "wep40" 2661 }; 2662 2663 if (!wpa_dbus_dict_append_string_array( 2664 &iter_dict, "Group", args, 2665 ARRAY_SIZE(args))) 2666 goto nomem; 2667 } else { 2668 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Group", 2669 &iter_dict_entry, 2670 &iter_dict_val, 2671 &iter_array) || 2672 ((capa.enc & WPA_DRIVER_CAPA_ENC_CCMP_256) && 2673 !wpa_dbus_dict_string_array_add_element( 2674 &iter_array, "ccmp-256")) || 2675 ((capa.enc & WPA_DRIVER_CAPA_ENC_GCMP_256) && 2676 !wpa_dbus_dict_string_array_add_element( 2677 &iter_array, "gcmp-256")) || 2678 ((capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) && 2679 !wpa_dbus_dict_string_array_add_element( 2680 &iter_array, "ccmp")) || 2681 ((capa.enc & WPA_DRIVER_CAPA_ENC_GCMP) && 2682 !wpa_dbus_dict_string_array_add_element( 2683 &iter_array, "gcmp")) || 2684 ((capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) && 2685 !wpa_dbus_dict_string_array_add_element( 2686 &iter_array, "tkip")) || 2687 ((capa.enc & WPA_DRIVER_CAPA_ENC_WEP104) && 2688 !wpa_dbus_dict_string_array_add_element( 2689 &iter_array, "wep104")) || 2690 ((capa.enc & WPA_DRIVER_CAPA_ENC_WEP40) && 2691 !wpa_dbus_dict_string_array_add_element( 2692 &iter_array, "wep40")) || 2693 !wpa_dbus_dict_end_string_array(&iter_dict, 2694 &iter_dict_entry, 2695 &iter_dict_val, 2696 &iter_array)) 2697 goto nomem; 2698 } 2699 2700 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "GroupMgmt", 2701 &iter_dict_entry, 2702 &iter_dict_val, 2703 &iter_array) || 2704 (res == 0 && (capa.enc & WPA_DRIVER_CAPA_ENC_BIP) && 2705 !wpa_dbus_dict_string_array_add_element( 2706 &iter_array, "aes-128-cmac")) || 2707 (res == 0 && (capa.enc & WPA_DRIVER_CAPA_ENC_BIP_GMAC_128) && 2708 !wpa_dbus_dict_string_array_add_element( 2709 &iter_array, "bip-gmac-128")) || 2710 (res == 0 && (capa.enc & WPA_DRIVER_CAPA_ENC_BIP_GMAC_256) && 2711 !wpa_dbus_dict_string_array_add_element( 2712 &iter_array, "bip-gmac-256")) || 2713 (res == 0 && (capa.enc & WPA_DRIVER_CAPA_ENC_BIP_CMAC_256) && 2714 !wpa_dbus_dict_string_array_add_element( 2715 &iter_array, "bip-cmac-256")) || 2716 !wpa_dbus_dict_end_string_array(&iter_dict, 2717 &iter_dict_entry, 2718 &iter_dict_val, 2719 &iter_array)) 2720 goto nomem; 2721 2722 /***** key management */ 2723 if (res < 0) { 2724 const char *args[] = { 2725 "wpa-psk", "wpa-eap", "ieee8021x", "wpa-none", 2726 #ifdef CONFIG_WPS 2727 "wps", 2728 #endif /* CONFIG_WPS */ 2729 "none" 2730 }; 2731 if (!wpa_dbus_dict_append_string_array( 2732 &iter_dict, "KeyMgmt", args, 2733 ARRAY_SIZE(args))) 2734 goto nomem; 2735 } else { 2736 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "KeyMgmt", 2737 &iter_dict_entry, 2738 &iter_dict_val, 2739 &iter_array) || 2740 !wpa_dbus_dict_string_array_add_element(&iter_array, 2741 "none") || 2742 !wpa_dbus_dict_string_array_add_element(&iter_array, 2743 "ieee8021x")) 2744 goto nomem; 2745 2746 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA | 2747 WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) { 2748 if (!wpa_dbus_dict_string_array_add_element( 2749 &iter_array, "wpa-eap") || 2750 ((capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_FT) && 2751 !wpa_dbus_dict_string_array_add_element( 2752 &iter_array, "wpa-ft-eap"))) 2753 goto nomem; 2754 2755 /* TODO: Ensure that driver actually supports sha256 encryption. */ 2756 #ifdef CONFIG_IEEE80211W 2757 if (!wpa_dbus_dict_string_array_add_element( 2758 &iter_array, "wpa-eap-sha256")) 2759 goto nomem; 2760 #endif /* CONFIG_IEEE80211W */ 2761 } 2762 2763 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK | 2764 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) { 2765 if (!wpa_dbus_dict_string_array_add_element( 2766 &iter_array, "wpa-psk") || 2767 ((capa.key_mgmt & 2768 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK) && 2769 !wpa_dbus_dict_string_array_add_element( 2770 &iter_array, "wpa-ft-psk"))) 2771 goto nomem; 2772 2773 /* TODO: Ensure that driver actually supports sha256 encryption. */ 2774 #ifdef CONFIG_IEEE80211W 2775 if (!wpa_dbus_dict_string_array_add_element( 2776 &iter_array, "wpa-psk-sha256")) 2777 goto nomem; 2778 #endif /* CONFIG_IEEE80211W */ 2779 } 2780 2781 if ((capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) && 2782 !wpa_dbus_dict_string_array_add_element(&iter_array, 2783 "wpa-none")) 2784 goto nomem; 2785 2786 2787 #ifdef CONFIG_WPS 2788 if (!wpa_dbus_dict_string_array_add_element(&iter_array, 2789 "wps")) 2790 goto nomem; 2791 #endif /* CONFIG_WPS */ 2792 2793 if (!wpa_dbus_dict_end_string_array(&iter_dict, 2794 &iter_dict_entry, 2795 &iter_dict_val, 2796 &iter_array)) 2797 goto nomem; 2798 } 2799 2800 /***** WPA protocol */ 2801 if (res < 0) { 2802 const char *args[] = { "rsn", "wpa" }; 2803 2804 if (!wpa_dbus_dict_append_string_array( 2805 &iter_dict, "Protocol", args, 2806 ARRAY_SIZE(args))) 2807 goto nomem; 2808 } else { 2809 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Protocol", 2810 &iter_dict_entry, 2811 &iter_dict_val, 2812 &iter_array) || 2813 ((capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 | 2814 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) && 2815 !wpa_dbus_dict_string_array_add_element( 2816 &iter_array, "rsn")) || 2817 ((capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA | 2818 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) && 2819 !wpa_dbus_dict_string_array_add_element( 2820 &iter_array, "wpa")) || 2821 !wpa_dbus_dict_end_string_array(&iter_dict, 2822 &iter_dict_entry, 2823 &iter_dict_val, 2824 &iter_array)) 2825 goto nomem; 2826 } 2827 2828 /***** auth alg */ 2829 if (res < 0) { 2830 const char *args[] = { "open", "shared", "leap" }; 2831 2832 if (!wpa_dbus_dict_append_string_array( 2833 &iter_dict, "AuthAlg", args, 2834 ARRAY_SIZE(args))) 2835 goto nomem; 2836 } else { 2837 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "AuthAlg", 2838 &iter_dict_entry, 2839 &iter_dict_val, 2840 &iter_array)) 2841 goto nomem; 2842 2843 if (((capa.auth & WPA_DRIVER_AUTH_OPEN) && 2844 !wpa_dbus_dict_string_array_add_element( 2845 &iter_array, "open")) || 2846 ((capa.auth & WPA_DRIVER_AUTH_SHARED) && 2847 !wpa_dbus_dict_string_array_add_element( 2848 &iter_array, "shared")) || 2849 ((capa.auth & WPA_DRIVER_AUTH_LEAP) && 2850 !wpa_dbus_dict_string_array_add_element( 2851 &iter_array, "leap")) || 2852 !wpa_dbus_dict_end_string_array(&iter_dict, 2853 &iter_dict_entry, 2854 &iter_dict_val, 2855 &iter_array)) 2856 goto nomem; 2857 } 2858 2859 /***** Scan */ 2860 if (!wpa_dbus_dict_append_string_array(&iter_dict, "Scan", scans, 2861 ARRAY_SIZE(scans))) 2862 goto nomem; 2863 2864 /***** Modes */ 2865 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Modes", 2866 &iter_dict_entry, 2867 &iter_dict_val, 2868 &iter_array) || 2869 !wpa_dbus_dict_string_array_add_element( 2870 &iter_array, "infrastructure") || 2871 (res >= 0 && (capa.flags & WPA_DRIVER_FLAGS_IBSS) && 2872 !wpa_dbus_dict_string_array_add_element( 2873 &iter_array, "ad-hoc")) || 2874 (res >= 0 && (capa.flags & WPA_DRIVER_FLAGS_AP) && 2875 !wpa_dbus_dict_string_array_add_element( 2876 &iter_array, "ap")) || 2877 (res >= 0 && (capa.flags & WPA_DRIVER_FLAGS_P2P_CAPABLE) && 2878 !wpa_s->conf->p2p_disabled && 2879 !wpa_dbus_dict_string_array_add_element( 2880 &iter_array, "p2p")) || 2881 #ifdef CONFIG_MESH 2882 (res >= 0 && (capa.flags & WPA_DRIVER_FLAGS_MESH) && 2883 !wpa_dbus_dict_string_array_add_element( 2884 &iter_array, "mesh")) || 2885 #endif /* CONFIG_MESH */ 2886 !wpa_dbus_dict_end_string_array(&iter_dict, 2887 &iter_dict_entry, 2888 &iter_dict_val, 2889 &iter_array)) 2890 goto nomem; 2891 /***** Modes end */ 2892 2893 if (res >= 0) { 2894 dbus_int32_t max_scan_ssid = capa.max_scan_ssids; 2895 2896 if (!wpa_dbus_dict_append_int32(&iter_dict, "MaxScanSSID", 2897 max_scan_ssid)) 2898 goto nomem; 2899 } 2900 2901 if (!wpa_dbus_dict_close_write(&variant_iter, &iter_dict) || 2902 !dbus_message_iter_close_container(iter, &variant_iter)) 2903 goto nomem; 2904 2905 return TRUE; 2906 2907 nomem: 2908 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory"); 2909 return FALSE; 2910 } 2911 2912 2913 /** 2914 * wpas_dbus_getter_state - Get interface state 2915 * @iter: Pointer to incoming dbus message iter 2916 * @error: Location to store error on failure 2917 * @user_data: Function specific data 2918 * Returns: TRUE on success, FALSE on failure 2919 * 2920 * Getter for "State" property. 2921 */ 2922 dbus_bool_t wpas_dbus_getter_state( 2923 const struct wpa_dbus_property_desc *property_desc, 2924 DBusMessageIter *iter, DBusError *error, void *user_data) 2925 { 2926 struct wpa_supplicant *wpa_s = user_data; 2927 const char *str_state; 2928 char *state_ls, *tmp; 2929 dbus_bool_t success = FALSE; 2930 2931 str_state = wpa_supplicant_state_txt(wpa_s->wpa_state); 2932 2933 /* make state string lowercase to fit new DBus API convention 2934 */ 2935 state_ls = tmp = os_strdup(str_state); 2936 if (!tmp) { 2937 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory"); 2938 return FALSE; 2939 } 2940 while (*tmp) { 2941 *tmp = tolower(*tmp); 2942 tmp++; 2943 } 2944 2945 success = wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING, 2946 &state_ls, error); 2947 2948 os_free(state_ls); 2949 2950 return success; 2951 } 2952 2953 2954 /** 2955 * wpas_dbus_new_iface_get_scanning - Get interface scanning state 2956 * @iter: Pointer to incoming dbus message iter 2957 * @error: Location to store error on failure 2958 * @user_data: Function specific data 2959 * Returns: TRUE on success, FALSE on failure 2960 * 2961 * Getter for "scanning" property. 2962 */ 2963 dbus_bool_t wpas_dbus_getter_scanning( 2964 const struct wpa_dbus_property_desc *property_desc, 2965 DBusMessageIter *iter, DBusError *error, void *user_data) 2966 { 2967 struct wpa_supplicant *wpa_s = user_data; 2968 dbus_bool_t scanning = wpa_s->scanning ? TRUE : FALSE; 2969 2970 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN, 2971 &scanning, error); 2972 } 2973 2974 2975 /** 2976 * wpas_dbus_getter_ap_scan - Control roaming mode 2977 * @iter: Pointer to incoming dbus message iter 2978 * @error: Location to store error on failure 2979 * @user_data: Function specific data 2980 * Returns: TRUE on success, FALSE on failure 2981 * 2982 * Getter function for "ApScan" property. 2983 */ 2984 dbus_bool_t wpas_dbus_getter_ap_scan( 2985 const struct wpa_dbus_property_desc *property_desc, 2986 DBusMessageIter *iter, DBusError *error, void *user_data) 2987 { 2988 struct wpa_supplicant *wpa_s = user_data; 2989 dbus_uint32_t ap_scan = wpa_s->conf->ap_scan; 2990 2991 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32, 2992 &ap_scan, error); 2993 } 2994 2995 2996 /** 2997 * wpas_dbus_setter_ap_scan - Control roaming mode 2998 * @iter: Pointer to incoming dbus message iter 2999 * @error: Location to store error on failure 3000 * @user_data: Function specific data 3001 * Returns: TRUE on success, FALSE on failure 3002 * 3003 * Setter function for "ApScan" property. 3004 */ 3005 dbus_bool_t wpas_dbus_setter_ap_scan( 3006 const struct wpa_dbus_property_desc *property_desc, 3007 DBusMessageIter *iter, DBusError *error, void *user_data) 3008 { 3009 struct wpa_supplicant *wpa_s = user_data; 3010 dbus_uint32_t ap_scan; 3011 3012 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32, 3013 &ap_scan)) 3014 return FALSE; 3015 3016 if (wpa_supplicant_set_ap_scan(wpa_s, ap_scan)) { 3017 dbus_set_error_const(error, DBUS_ERROR_FAILED, 3018 "ap_scan must be 0, 1, or 2"); 3019 return FALSE; 3020 } 3021 return TRUE; 3022 } 3023 3024 3025 /** 3026 * wpas_dbus_getter_fast_reauth - Control fast 3027 * reauthentication (TLS session resumption) 3028 * @iter: Pointer to incoming dbus message iter 3029 * @error: Location to store error on failure 3030 * @user_data: Function specific data 3031 * Returns: TRUE on success, FALSE on failure 3032 * 3033 * Getter function for "FastReauth" property. 3034 */ 3035 dbus_bool_t wpas_dbus_getter_fast_reauth( 3036 const struct wpa_dbus_property_desc *property_desc, 3037 DBusMessageIter *iter, DBusError *error, void *user_data) 3038 { 3039 struct wpa_supplicant *wpa_s = user_data; 3040 dbus_bool_t fast_reauth = wpa_s->conf->fast_reauth ? TRUE : FALSE; 3041 3042 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN, 3043 &fast_reauth, error); 3044 } 3045 3046 3047 /** 3048 * wpas_dbus_setter_fast_reauth - Control fast 3049 * reauthentication (TLS session resumption) 3050 * @iter: Pointer to incoming dbus message iter 3051 * @error: Location to store error on failure 3052 * @user_data: Function specific data 3053 * Returns: TRUE on success, FALSE on failure 3054 * 3055 * Setter function for "FastReauth" property. 3056 */ 3057 dbus_bool_t wpas_dbus_setter_fast_reauth( 3058 const struct wpa_dbus_property_desc *property_desc, 3059 DBusMessageIter *iter, DBusError *error, void *user_data) 3060 { 3061 struct wpa_supplicant *wpa_s = user_data; 3062 dbus_bool_t fast_reauth; 3063 3064 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN, 3065 &fast_reauth)) 3066 return FALSE; 3067 3068 wpa_s->conf->fast_reauth = fast_reauth; 3069 return TRUE; 3070 } 3071 3072 3073 /** 3074 * wpas_dbus_getter_disconnect_reason - Get most recent reason for disconnect 3075 * @iter: Pointer to incoming dbus message iter 3076 * @error: Location to store error on failure 3077 * @user_data: Function specific data 3078 * Returns: TRUE on success, FALSE on failure 3079 * 3080 * Getter for "DisconnectReason" property. The reason is negative if it is 3081 * locally generated. 3082 */ 3083 dbus_bool_t wpas_dbus_getter_disconnect_reason( 3084 const struct wpa_dbus_property_desc *property_desc, 3085 DBusMessageIter *iter, DBusError *error, void *user_data) 3086 { 3087 struct wpa_supplicant *wpa_s = user_data; 3088 dbus_int32_t reason = wpa_s->disconnect_reason; 3089 3090 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32, 3091 &reason, error); 3092 } 3093 3094 3095 /** 3096 * wpas_dbus_getter_auth_status_code - Get most recent auth status code 3097 * @iter: Pointer to incoming dbus message iter 3098 * @error: Location to store error on failure 3099 * @user_data: Function specific data 3100 * Returns: TRUE on success, FALSE on failure 3101 * 3102 * Getter for "AuthStatusCode" property. 3103 */ 3104 dbus_bool_t wpas_dbus_getter_auth_status_code( 3105 const struct wpa_dbus_property_desc *property_desc, 3106 DBusMessageIter *iter, DBusError *error, void *user_data) 3107 { 3108 struct wpa_supplicant *wpa_s = user_data; 3109 dbus_int32_t reason = wpa_s->auth_status_code; 3110 3111 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32, 3112 &reason, error); 3113 } 3114 3115 3116 /** 3117 * wpas_dbus_getter_assoc_status_code - Get most recent failed assoc status code 3118 * @iter: Pointer to incoming dbus message iter 3119 * @error: Location to store error on failure 3120 * @user_data: Function specific data 3121 * Returns: TRUE on success, FALSE on failure 3122 * 3123 * Getter for "AssocStatusCode" property. 3124 */ 3125 dbus_bool_t wpas_dbus_getter_assoc_status_code( 3126 const struct wpa_dbus_property_desc *property_desc, 3127 DBusMessageIter *iter, DBusError *error, void *user_data) 3128 { 3129 struct wpa_supplicant *wpa_s = user_data; 3130 dbus_int32_t status_code = wpa_s->assoc_status_code; 3131 3132 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32, 3133 &status_code, error); 3134 } 3135 3136 3137 /** 3138 * wpas_dbus_getter_roam_time - Get most recent roam time 3139 * @iter: Pointer to incoming dbus message iter 3140 * @error: Location to store error on failure 3141 * @user_data: Function specific data 3142 * Returns: TRUE on success, FALSE on failure 3143 * 3144 * Getter for "RoamTime" property. 3145 */ 3146 dbus_bool_t wpas_dbus_getter_roam_time( 3147 const struct wpa_dbus_property_desc *property_desc, 3148 DBusMessageIter *iter, DBusError *error, void *user_data) 3149 { 3150 struct wpa_supplicant *wpa_s = user_data; 3151 dbus_uint32_t roam_time = wpa_s->roam_time.sec * 1000 + 3152 wpa_s->roam_time.usec / 1000; 3153 3154 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32, 3155 &roam_time, error); 3156 } 3157 3158 3159 /** 3160 * wpas_dbus_getter_roam_complete - Get most recent roam success or failure 3161 * @iter: Pointer to incoming dbus message iter 3162 * @error: Location to store error on failure 3163 * @user_data: Function specific data 3164 * Returns: TRUE on success, FALSE on failure 3165 * 3166 * Getter for "RoamComplete" property. 3167 */ 3168 dbus_bool_t wpas_dbus_getter_roam_complete( 3169 const struct wpa_dbus_property_desc *property_desc, 3170 DBusMessageIter *iter, DBusError *error, void *user_data) 3171 { 3172 struct wpa_supplicant *wpa_s = user_data; 3173 dbus_bool_t roam_complete = os_reltime_initialized(&wpa_s->roam_time); 3174 3175 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN, 3176 &roam_complete, error); 3177 } 3178 3179 3180 /** 3181 * wpas_dbus_getter_session_length - Get most recent BSS session length 3182 * @iter: Pointer to incoming dbus message iter 3183 * @error: Location to store error on failure 3184 * @user_data: Function specific data 3185 * Returns: TRUE on success, FALSE on failure 3186 * 3187 * Getter for "SessionLength" property. 3188 */ 3189 dbus_bool_t wpas_dbus_getter_session_length( 3190 const struct wpa_dbus_property_desc *property_desc, 3191 DBusMessageIter *iter, DBusError *error, void *user_data) 3192 { 3193 struct wpa_supplicant *wpa_s = user_data; 3194 dbus_uint32_t session_length = wpa_s->session_length.sec * 1000 + 3195 wpa_s->session_length.usec / 1000; 3196 3197 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32, 3198 &session_length, error); 3199 } 3200 3201 3202 /** 3203 * wpas_dbus_getter_bss_tm_status - Get most BSS Transition Management request 3204 * status code 3205 * @iter: Pointer to incoming dbus message iter 3206 * @error: Location to store error on failure 3207 * @user_data: Function specific data 3208 * Returns: TRUE on success, FALSE on failure 3209 * 3210 * Getter for "BSSTMStatus" property. 3211 */ 3212 dbus_bool_t wpas_dbus_getter_bss_tm_status( 3213 const struct wpa_dbus_property_desc *property_desc, 3214 DBusMessageIter *iter, DBusError *error, void *user_data) 3215 { 3216 #ifdef CONFIG_WNM 3217 struct wpa_supplicant *wpa_s = user_data; 3218 dbus_uint32_t bss_tm_status = wpa_s->bss_tm_status; 3219 #else /* CONFIG_WNM */ 3220 dbus_uint32_t bss_tm_status = 0; 3221 #endif /* CONFIG_WNM */ 3222 3223 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32, 3224 &bss_tm_status, error); 3225 } 3226 3227 3228 /** 3229 * wpas_dbus_getter_bss_expire_age - Get BSS entry expiration age 3230 * @iter: Pointer to incoming dbus message iter 3231 * @error: Location to store error on failure 3232 * @user_data: Function specific data 3233 * Returns: TRUE on success, FALSE on failure 3234 * 3235 * Getter function for "BSSExpireAge" property. 3236 */ 3237 dbus_bool_t wpas_dbus_getter_bss_expire_age( 3238 const struct wpa_dbus_property_desc *property_desc, 3239 DBusMessageIter *iter, DBusError *error, void *user_data) 3240 { 3241 struct wpa_supplicant *wpa_s = user_data; 3242 dbus_uint32_t expire_age = wpa_s->conf->bss_expiration_age; 3243 3244 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32, 3245 &expire_age, error); 3246 } 3247 3248 3249 /** 3250 * wpas_dbus_setter_bss_expire_age - Control BSS entry expiration age 3251 * @iter: Pointer to incoming dbus message iter 3252 * @error: Location to store error on failure 3253 * @user_data: Function specific data 3254 * Returns: TRUE on success, FALSE on failure 3255 * 3256 * Setter function for "BSSExpireAge" property. 3257 */ 3258 dbus_bool_t wpas_dbus_setter_bss_expire_age( 3259 const struct wpa_dbus_property_desc *property_desc, 3260 DBusMessageIter *iter, DBusError *error, void *user_data) 3261 { 3262 struct wpa_supplicant *wpa_s = user_data; 3263 dbus_uint32_t expire_age; 3264 3265 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32, 3266 &expire_age)) 3267 return FALSE; 3268 3269 if (wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age)) { 3270 dbus_set_error_const(error, DBUS_ERROR_FAILED, 3271 "BSSExpireAge must be >= 10"); 3272 return FALSE; 3273 } 3274 return TRUE; 3275 } 3276 3277 3278 /** 3279 * wpas_dbus_getter_bss_expire_count - Get BSS entry expiration scan count 3280 * @iter: Pointer to incoming dbus message iter 3281 * @error: Location to store error on failure 3282 * @user_data: Function specific data 3283 * Returns: TRUE on success, FALSE on failure 3284 * 3285 * Getter function for "BSSExpireCount" property. 3286 */ 3287 dbus_bool_t wpas_dbus_getter_bss_expire_count( 3288 const struct wpa_dbus_property_desc *property_desc, 3289 DBusMessageIter *iter, DBusError *error, void *user_data) 3290 { 3291 struct wpa_supplicant *wpa_s = user_data; 3292 dbus_uint32_t expire_count = wpa_s->conf->bss_expiration_scan_count; 3293 3294 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32, 3295 &expire_count, error); 3296 } 3297 3298 3299 /** 3300 * wpas_dbus_setter_bss_expire_count - Control BSS entry expiration scan count 3301 * @iter: Pointer to incoming dbus message iter 3302 * @error: Location to store error on failure 3303 * @user_data: Function specific data 3304 * Returns: TRUE on success, FALSE on failure 3305 * 3306 * Setter function for "BSSExpireCount" property. 3307 */ 3308 dbus_bool_t wpas_dbus_setter_bss_expire_count( 3309 const struct wpa_dbus_property_desc *property_desc, 3310 DBusMessageIter *iter, DBusError *error, void *user_data) 3311 { 3312 struct wpa_supplicant *wpa_s = user_data; 3313 dbus_uint32_t expire_count; 3314 3315 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32, 3316 &expire_count)) 3317 return FALSE; 3318 3319 if (wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count)) { 3320 dbus_set_error_const(error, DBUS_ERROR_FAILED, 3321 "BSSExpireCount must be > 0"); 3322 return FALSE; 3323 } 3324 return TRUE; 3325 } 3326 3327 3328 /** 3329 * wpas_dbus_getter_country - Control country code 3330 * @iter: Pointer to incoming dbus message iter 3331 * @error: Location to store error on failure 3332 * @user_data: Function specific data 3333 * Returns: TRUE on success, FALSE on failure 3334 * 3335 * Getter function for "Country" property. 3336 */ 3337 dbus_bool_t wpas_dbus_getter_country( 3338 const struct wpa_dbus_property_desc *property_desc, 3339 DBusMessageIter *iter, DBusError *error, void *user_data) 3340 { 3341 struct wpa_supplicant *wpa_s = user_data; 3342 char country[3]; 3343 char *str = country; 3344 3345 country[0] = wpa_s->conf->country[0]; 3346 country[1] = wpa_s->conf->country[1]; 3347 country[2] = '\0'; 3348 3349 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING, 3350 &str, error); 3351 } 3352 3353 3354 /** 3355 * wpas_dbus_setter_country - Control country code 3356 * @iter: Pointer to incoming dbus message iter 3357 * @error: Location to store error on failure 3358 * @user_data: Function specific data 3359 * Returns: TRUE on success, FALSE on failure 3360 * 3361 * Setter function for "Country" property. 3362 */ 3363 dbus_bool_t wpas_dbus_setter_country( 3364 const struct wpa_dbus_property_desc *property_desc, 3365 DBusMessageIter *iter, DBusError *error, void *user_data) 3366 { 3367 struct wpa_supplicant *wpa_s = user_data; 3368 const char *country; 3369 3370 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_STRING, 3371 &country)) 3372 return FALSE; 3373 3374 if (!country[0] || !country[1]) { 3375 dbus_set_error_const(error, DBUS_ERROR_FAILED, 3376 "invalid country code"); 3377 return FALSE; 3378 } 3379 3380 if (wpa_s->drv_priv != NULL && wpa_drv_set_country(wpa_s, country)) { 3381 wpa_printf(MSG_DEBUG, "Failed to set country"); 3382 dbus_set_error_const(error, DBUS_ERROR_FAILED, 3383 "failed to set country code"); 3384 return FALSE; 3385 } 3386 3387 wpa_s->conf->country[0] = country[0]; 3388 wpa_s->conf->country[1] = country[1]; 3389 return TRUE; 3390 } 3391 3392 3393 /** 3394 * wpas_dbus_getter_scan_interval - Get scan interval 3395 * @iter: Pointer to incoming dbus message iter 3396 * @error: Location to store error on failure 3397 * @user_data: Function specific data 3398 * Returns: TRUE on success, FALSE on failure 3399 * 3400 * Getter function for "ScanInterval" property. 3401 */ 3402 dbus_bool_t wpas_dbus_getter_scan_interval( 3403 const struct wpa_dbus_property_desc *property_desc, 3404 DBusMessageIter *iter, DBusError *error, void *user_data) 3405 { 3406 struct wpa_supplicant *wpa_s = user_data; 3407 dbus_int32_t scan_interval = wpa_s->scan_interval; 3408 3409 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32, 3410 &scan_interval, error); 3411 } 3412 3413 3414 /** 3415 * wpas_dbus_setter_scan_interval - Control scan interval 3416 * @iter: Pointer to incoming dbus message iter 3417 * @error: Location to store error on failure 3418 * @user_data: Function specific data 3419 * Returns: TRUE on success, FALSE on failure 3420 * 3421 * Setter function for "ScanInterval" property. 3422 */ 3423 dbus_bool_t wpas_dbus_setter_scan_interval( 3424 const struct wpa_dbus_property_desc *property_desc, 3425 DBusMessageIter *iter, DBusError *error, void *user_data) 3426 { 3427 struct wpa_supplicant *wpa_s = user_data; 3428 dbus_int32_t scan_interval; 3429 3430 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_INT32, 3431 &scan_interval)) 3432 return FALSE; 3433 3434 if (wpa_supplicant_set_scan_interval(wpa_s, scan_interval)) { 3435 dbus_set_error_const(error, DBUS_ERROR_FAILED, 3436 "scan_interval must be >= 0"); 3437 return FALSE; 3438 } 3439 return TRUE; 3440 } 3441 3442 3443 /** 3444 * wpas_dbus_getter_ifname - Get interface name 3445 * @iter: Pointer to incoming dbus message iter 3446 * @error: Location to store error on failure 3447 * @user_data: Function specific data 3448 * Returns: TRUE on success, FALSE on failure 3449 * 3450 * Getter for "Ifname" property. 3451 */ 3452 dbus_bool_t wpas_dbus_getter_ifname( 3453 const struct wpa_dbus_property_desc *property_desc, 3454 DBusMessageIter *iter, DBusError *error, void *user_data) 3455 { 3456 struct wpa_supplicant *wpa_s = user_data; 3457 3458 return wpas_dbus_string_property_getter(iter, wpa_s->ifname, error); 3459 } 3460 3461 3462 /** 3463 * wpas_dbus_getter_driver - Get interface name 3464 * @iter: Pointer to incoming dbus message iter 3465 * @error: Location to store error on failure 3466 * @user_data: Function specific data 3467 * Returns: TRUE on success, FALSE on failure 3468 * 3469 * Getter for "Driver" property. 3470 */ 3471 dbus_bool_t wpas_dbus_getter_driver( 3472 const struct wpa_dbus_property_desc *property_desc, 3473 DBusMessageIter *iter, DBusError *error, void *user_data) 3474 { 3475 struct wpa_supplicant *wpa_s = user_data; 3476 3477 if (wpa_s->driver == NULL || wpa_s->driver->name == NULL) { 3478 wpa_printf(MSG_DEBUG, "%s[dbus]: wpa_s has no driver set", 3479 __func__); 3480 dbus_set_error(error, DBUS_ERROR_FAILED, "%s: no driver set", 3481 __func__); 3482 return FALSE; 3483 } 3484 3485 return wpas_dbus_string_property_getter(iter, wpa_s->driver->name, 3486 error); 3487 } 3488 3489 3490 /** 3491 * wpas_dbus_getter_current_bss - Get current bss object path 3492 * @iter: Pointer to incoming dbus message iter 3493 * @error: Location to store error on failure 3494 * @user_data: Function specific data 3495 * Returns: TRUE on success, FALSE on failure 3496 * 3497 * Getter for "CurrentBSS" property. 3498 */ 3499 dbus_bool_t wpas_dbus_getter_current_bss( 3500 const struct wpa_dbus_property_desc *property_desc, 3501 DBusMessageIter *iter, DBusError *error, void *user_data) 3502 { 3503 struct wpa_supplicant *wpa_s = user_data; 3504 char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *bss_obj_path = path_buf; 3505 3506 if (wpa_s->current_bss && wpa_s->dbus_new_path) 3507 os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, 3508 "%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u", 3509 wpa_s->dbus_new_path, wpa_s->current_bss->id); 3510 else 3511 os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, "/"); 3512 3513 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_OBJECT_PATH, 3514 &bss_obj_path, error); 3515 } 3516 3517 3518 /** 3519 * wpas_dbus_getter_current_network - Get current network object path 3520 * @iter: Pointer to incoming dbus message iter 3521 * @error: Location to store error on failure 3522 * @user_data: Function specific data 3523 * Returns: TRUE on success, FALSE on failure 3524 * 3525 * Getter for "CurrentNetwork" property. 3526 */ 3527 dbus_bool_t wpas_dbus_getter_current_network( 3528 const struct wpa_dbus_property_desc *property_desc, 3529 DBusMessageIter *iter, DBusError *error, void *user_data) 3530 { 3531 struct wpa_supplicant *wpa_s = user_data; 3532 char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *net_obj_path = path_buf; 3533 3534 if (wpa_s->current_ssid && wpa_s->dbus_new_path) 3535 os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, 3536 "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%u", 3537 wpa_s->dbus_new_path, wpa_s->current_ssid->id); 3538 else 3539 os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, "/"); 3540 3541 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_OBJECT_PATH, 3542 &net_obj_path, error); 3543 } 3544 3545 3546 /** 3547 * wpas_dbus_getter_current_auth_mode - Get current authentication type 3548 * @iter: Pointer to incoming dbus message iter 3549 * @error: Location to store error on failure 3550 * @user_data: Function specific data 3551 * Returns: TRUE on success, FALSE on failure 3552 * 3553 * Getter for "CurrentAuthMode" property. 3554 */ 3555 dbus_bool_t wpas_dbus_getter_current_auth_mode( 3556 const struct wpa_dbus_property_desc *property_desc, 3557 DBusMessageIter *iter, DBusError *error, void *user_data) 3558 { 3559 struct wpa_supplicant *wpa_s = user_data; 3560 const char *eap_mode; 3561 const char *auth_mode; 3562 char eap_mode_buf[WPAS_DBUS_AUTH_MODE_MAX]; 3563 3564 if (wpa_s->wpa_state != WPA_COMPLETED) { 3565 auth_mode = "INACTIVE"; 3566 } else if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X || 3567 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) { 3568 eap_mode = wpa_supplicant_get_eap_mode(wpa_s); 3569 os_snprintf(eap_mode_buf, WPAS_DBUS_AUTH_MODE_MAX, 3570 "EAP-%s", eap_mode); 3571 auth_mode = eap_mode_buf; 3572 3573 } else if (wpa_s->current_ssid) { 3574 auth_mode = wpa_key_mgmt_txt(wpa_s->key_mgmt, 3575 wpa_s->current_ssid->proto); 3576 } else { 3577 auth_mode = "UNKNOWN"; 3578 } 3579 3580 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING, 3581 &auth_mode, error); 3582 } 3583 3584 3585 /** 3586 * wpas_dbus_getter_bridge_ifname - Get interface name 3587 * @iter: Pointer to incoming dbus message iter 3588 * @error: Location to store error on failure 3589 * @user_data: Function specific data 3590 * Returns: TRUE on success, FALSE on failure 3591 * 3592 * Getter for "BridgeIfname" property. 3593 */ 3594 dbus_bool_t wpas_dbus_getter_bridge_ifname( 3595 const struct wpa_dbus_property_desc *property_desc, 3596 DBusMessageIter *iter, DBusError *error, void *user_data) 3597 { 3598 struct wpa_supplicant *wpa_s = user_data; 3599 3600 return wpas_dbus_string_property_getter(iter, wpa_s->bridge_ifname, 3601 error); 3602 } 3603 3604 3605 /** 3606 * wpas_dbus_getter_config_file - Get interface configuration file path 3607 * @iter: Pointer to incoming dbus message iter 3608 * @error: Location to store error on failure 3609 * @user_data: Function specific data 3610 * Returns: TRUE on success, FALSE on failure 3611 * 3612 * Getter for "ConfigFile" property. 3613 */ 3614 dbus_bool_t wpas_dbus_getter_config_file( 3615 const struct wpa_dbus_property_desc *property_desc, 3616 DBusMessageIter *iter, DBusError *error, void *user_data) 3617 { 3618 struct wpa_supplicant *wpa_s = user_data; 3619 3620 return wpas_dbus_string_property_getter(iter, wpa_s->confname, error); 3621 } 3622 3623 3624 /** 3625 * wpas_dbus_getter_bsss - Get array of BSSs objects 3626 * @iter: Pointer to incoming dbus message iter 3627 * @error: Location to store error on failure 3628 * @user_data: Function specific data 3629 * Returns: TRUE on success, FALSE on failure 3630 * 3631 * Getter for "BSSs" property. 3632 */ 3633 dbus_bool_t wpas_dbus_getter_bsss( 3634 const struct wpa_dbus_property_desc *property_desc, 3635 DBusMessageIter *iter, DBusError *error, void *user_data) 3636 { 3637 struct wpa_supplicant *wpa_s = user_data; 3638 struct wpa_bss *bss; 3639 char **paths; 3640 unsigned int i = 0; 3641 dbus_bool_t success = FALSE; 3642 3643 if (!wpa_s->dbus_new_path) { 3644 dbus_set_error(error, DBUS_ERROR_FAILED, 3645 "%s: no D-Bus interface", __func__); 3646 return FALSE; 3647 } 3648 3649 paths = os_calloc(wpa_s->num_bss, sizeof(char *)); 3650 if (!paths) { 3651 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory"); 3652 return FALSE; 3653 } 3654 3655 /* Loop through scan results and append each result's object path */ 3656 dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) { 3657 paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX); 3658 if (paths[i] == NULL) { 3659 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, 3660 "no memory"); 3661 goto out; 3662 } 3663 /* Construct the object path for this BSS. */ 3664 os_snprintf(paths[i++], WPAS_DBUS_OBJECT_PATH_MAX, 3665 "%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u", 3666 wpa_s->dbus_new_path, bss->id); 3667 } 3668 3669 success = wpas_dbus_simple_array_property_getter(iter, 3670 DBUS_TYPE_OBJECT_PATH, 3671 paths, wpa_s->num_bss, 3672 error); 3673 3674 out: 3675 while (i) 3676 os_free(paths[--i]); 3677 os_free(paths); 3678 return success; 3679 } 3680 3681 3682 /** 3683 * wpas_dbus_getter_networks - Get array of networks objects 3684 * @iter: Pointer to incoming dbus message iter 3685 * @error: Location to store error on failure 3686 * @user_data: Function specific data 3687 * Returns: TRUE on success, FALSE on failure 3688 * 3689 * Getter for "Networks" property. 3690 */ 3691 dbus_bool_t wpas_dbus_getter_networks( 3692 const struct wpa_dbus_property_desc *property_desc, 3693 DBusMessageIter *iter, DBusError *error, void *user_data) 3694 { 3695 struct wpa_supplicant *wpa_s = user_data; 3696 struct wpa_ssid *ssid; 3697 char **paths; 3698 unsigned int i = 0, num = 0; 3699 dbus_bool_t success = FALSE; 3700 3701 if (!wpa_s->dbus_new_path) { 3702 dbus_set_error(error, DBUS_ERROR_FAILED, 3703 "%s: no D-Bus interface", __func__); 3704 return FALSE; 3705 } 3706 3707 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) 3708 if (!network_is_persistent_group(ssid)) 3709 num++; 3710 3711 paths = os_calloc(num, sizeof(char *)); 3712 if (!paths) { 3713 dbus_set_error(error, DBUS_ERROR_NO_MEMORY, "no memory"); 3714 return FALSE; 3715 } 3716 3717 /* Loop through configured networks and append object path of each */ 3718 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { 3719 if (network_is_persistent_group(ssid)) 3720 continue; 3721 paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX); 3722 if (paths[i] == NULL) { 3723 dbus_set_error(error, DBUS_ERROR_NO_MEMORY, 3724 "no memory"); 3725 goto out; 3726 } 3727 3728 /* Construct the object path for this network. */ 3729 os_snprintf(paths[i++], WPAS_DBUS_OBJECT_PATH_MAX, 3730 "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%d", 3731 wpa_s->dbus_new_path, ssid->id); 3732 } 3733 3734 success = wpas_dbus_simple_array_property_getter(iter, 3735 DBUS_TYPE_OBJECT_PATH, 3736 paths, num, error); 3737 3738 out: 3739 while (i) 3740 os_free(paths[--i]); 3741 os_free(paths); 3742 return success; 3743 } 3744 3745 3746 /** 3747 * wpas_dbus_getter_pkcs11_engine_path - Get PKCS #11 engine path 3748 * @iter: Pointer to incoming dbus message iter 3749 * @error: Location to store error on failure 3750 * @user_data: Function specific data 3751 * Returns: A dbus message containing the PKCS #11 engine path 3752 * 3753 * Getter for "PKCS11EnginePath" property. 3754 */ 3755 dbus_bool_t wpas_dbus_getter_pkcs11_engine_path( 3756 const struct wpa_dbus_property_desc *property_desc, 3757 DBusMessageIter *iter, DBusError *error, void *user_data) 3758 { 3759 struct wpa_supplicant *wpa_s = user_data; 3760 3761 return wpas_dbus_string_property_getter(iter, 3762 wpa_s->conf->pkcs11_engine_path, 3763 error); 3764 } 3765 3766 3767 /** 3768 * wpas_dbus_getter_pkcs11_module_path - Get PKCS #11 module path 3769 * @iter: Pointer to incoming dbus message iter 3770 * @error: Location to store error on failure 3771 * @user_data: Function specific data 3772 * Returns: A dbus message containing the PKCS #11 module path 3773 * 3774 * Getter for "PKCS11ModulePath" property. 3775 */ 3776 dbus_bool_t wpas_dbus_getter_pkcs11_module_path( 3777 const struct wpa_dbus_property_desc *property_desc, 3778 DBusMessageIter *iter, DBusError *error, void *user_data) 3779 { 3780 struct wpa_supplicant *wpa_s = user_data; 3781 3782 return wpas_dbus_string_property_getter(iter, 3783 wpa_s->conf->pkcs11_module_path, 3784 error); 3785 } 3786 3787 3788 /** 3789 * wpas_dbus_getter_blobs - Get all blobs defined for this interface 3790 * @iter: Pointer to incoming dbus message iter 3791 * @error: Location to store error on failure 3792 * @user_data: Function specific data 3793 * Returns: TRUE on success, FALSE on failure 3794 * 3795 * Getter for "Blobs" property. 3796 */ 3797 dbus_bool_t wpas_dbus_getter_blobs( 3798 const struct wpa_dbus_property_desc *property_desc, 3799 DBusMessageIter *iter, DBusError *error, void *user_data) 3800 { 3801 struct wpa_supplicant *wpa_s = user_data; 3802 DBusMessageIter variant_iter, dict_iter, entry_iter, array_iter; 3803 struct wpa_config_blob *blob; 3804 3805 if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, 3806 "a{say}", &variant_iter) || 3807 !dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY, 3808 "{say}", &dict_iter)) { 3809 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory"); 3810 return FALSE; 3811 } 3812 3813 blob = wpa_s->conf->blobs; 3814 while (blob) { 3815 if (!dbus_message_iter_open_container(&dict_iter, 3816 DBUS_TYPE_DICT_ENTRY, 3817 NULL, &entry_iter) || 3818 !dbus_message_iter_append_basic(&entry_iter, 3819 DBUS_TYPE_STRING, 3820 &(blob->name)) || 3821 !dbus_message_iter_open_container(&entry_iter, 3822 DBUS_TYPE_ARRAY, 3823 DBUS_TYPE_BYTE_AS_STRING, 3824 &array_iter) || 3825 !dbus_message_iter_append_fixed_array(&array_iter, 3826 DBUS_TYPE_BYTE, 3827 &(blob->data), 3828 blob->len) || 3829 !dbus_message_iter_close_container(&entry_iter, 3830 &array_iter) || 3831 !dbus_message_iter_close_container(&dict_iter, 3832 &entry_iter)) { 3833 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, 3834 "no memory"); 3835 return FALSE; 3836 } 3837 3838 blob = blob->next; 3839 } 3840 3841 if (!dbus_message_iter_close_container(&variant_iter, &dict_iter) || 3842 !dbus_message_iter_close_container(iter, &variant_iter)) { 3843 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory"); 3844 return FALSE; 3845 } 3846 3847 return TRUE; 3848 } 3849 3850 3851 dbus_bool_t wpas_dbus_getter_iface_global( 3852 const struct wpa_dbus_property_desc *property_desc, 3853 DBusMessageIter *iter, DBusError *error, void *user_data) 3854 { 3855 struct wpa_supplicant *wpa_s = user_data; 3856 int ret; 3857 char buf[250]; 3858 char *p = buf; 3859 3860 if (!property_desc->data) { 3861 dbus_set_error(error, DBUS_ERROR_INVALID_ARGS, 3862 "Unhandled interface property %s", 3863 property_desc->dbus_property); 3864 return FALSE; 3865 } 3866 3867 ret = wpa_config_get_value(property_desc->data, wpa_s->conf, buf, 3868 sizeof(buf)); 3869 if (ret < 0) 3870 *p = '\0'; 3871 3872 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING, &p, 3873 error); 3874 } 3875 3876 3877 dbus_bool_t wpas_dbus_setter_iface_global( 3878 const struct wpa_dbus_property_desc *property_desc, 3879 DBusMessageIter *iter, DBusError *error, void *user_data) 3880 { 3881 struct wpa_supplicant *wpa_s = user_data; 3882 const char *new_value = NULL; 3883 char buf[250]; 3884 size_t combined_len; 3885 int ret; 3886 3887 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_STRING, 3888 &new_value)) 3889 return FALSE; 3890 3891 combined_len = os_strlen(property_desc->data) + os_strlen(new_value) + 3892 3; 3893 if (combined_len >= sizeof(buf)) { 3894 dbus_set_error(error, DBUS_ERROR_INVALID_ARGS, 3895 "Interface property %s value too large", 3896 property_desc->dbus_property); 3897 return FALSE; 3898 } 3899 3900 if (!new_value[0]) 3901 new_value = "NULL"; 3902 3903 ret = os_snprintf(buf, combined_len, "%s=%s", property_desc->data, 3904 new_value); 3905 if (os_snprintf_error(combined_len, ret)) { 3906 dbus_set_error(error, WPAS_DBUS_ERROR_UNKNOWN_ERROR, 3907 "Failed to construct new interface property %s", 3908 property_desc->dbus_property); 3909 return FALSE; 3910 } 3911 3912 if (wpa_config_process_global(wpa_s->conf, buf, -1)) { 3913 dbus_set_error(error, DBUS_ERROR_INVALID_ARGS, 3914 "Failed to set interface property %s", 3915 property_desc->dbus_property); 3916 return FALSE; 3917 } 3918 3919 wpa_supplicant_update_config(wpa_s); 3920 return TRUE; 3921 } 3922 3923 3924 /** 3925 * wpas_dbus_getter_stas - Get connected stations for an interface 3926 * @iter: Pointer to incoming dbus message iter 3927 * @error: Location to store error on failure 3928 * @user_data: Function specific data 3929 * Returns: a list of stations 3930 * 3931 * Getter for "Stations" property. 3932 */ 3933 dbus_bool_t wpas_dbus_getter_stas( 3934 const struct wpa_dbus_property_desc *property_desc, 3935 DBusMessageIter *iter, DBusError *error, void *user_data) 3936 { 3937 struct wpa_supplicant *wpa_s = user_data; 3938 struct sta_info *sta = NULL; 3939 char **paths = NULL; 3940 unsigned int i = 0, num = 0; 3941 dbus_bool_t success = FALSE; 3942 3943 if (!wpa_s->dbus_new_path) { 3944 dbus_set_error(error, DBUS_ERROR_FAILED, 3945 "%s: no D-Bus interface", __func__); 3946 return FALSE; 3947 } 3948 3949 #ifdef CONFIG_AP 3950 if (wpa_s->ap_iface) { 3951 struct hostapd_data *hapd; 3952 3953 hapd = wpa_s->ap_iface->bss[0]; 3954 sta = hapd->sta_list; 3955 num = hapd->num_sta; 3956 } 3957 #endif /* CONFIG_AP */ 3958 3959 paths = os_calloc(num, sizeof(char *)); 3960 if (!paths) { 3961 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory"); 3962 return FALSE; 3963 } 3964 3965 /* Loop through scan results and append each result's object path */ 3966 for (; sta; sta = sta->next) { 3967 paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX); 3968 if (!paths[i]) { 3969 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, 3970 "no memory"); 3971 goto out; 3972 } 3973 /* Construct the object path for this BSS. */ 3974 os_snprintf(paths[i++], WPAS_DBUS_OBJECT_PATH_MAX, 3975 "%s/" WPAS_DBUS_NEW_STAS_PART "/" COMPACT_MACSTR, 3976 wpa_s->dbus_new_path, MAC2STR(sta->addr)); 3977 } 3978 3979 success = wpas_dbus_simple_array_property_getter(iter, 3980 DBUS_TYPE_OBJECT_PATH, 3981 paths, num, 3982 error); 3983 3984 out: 3985 while (i) 3986 os_free(paths[--i]); 3987 os_free(paths); 3988 return success; 3989 } 3990 3991 3992 /** 3993 * wpas_dbus_getter_sta_address - Return the address of a connected station 3994 * @iter: Pointer to incoming dbus message iter 3995 * @error: Location to store error on failure 3996 * @user_data: Function specific data 3997 * Returns: TRUE on success, FALSE on failure 3998 * 3999 * Getter for "Address" property. 4000 */ 4001 dbus_bool_t wpas_dbus_getter_sta_address( 4002 const struct wpa_dbus_property_desc *property_desc, 4003 DBusMessageIter *iter, DBusError *error, void *user_data) 4004 { 4005 #ifdef CONFIG_AP 4006 struct sta_handler_args *args = user_data; 4007 struct sta_info *sta; 4008 4009 sta = ap_get_sta(args->wpa_s->ap_iface->bss[0], args->sta); 4010 if (!sta) 4011 return FALSE; 4012 4013 return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE, 4014 sta->addr, ETH_ALEN, 4015 error); 4016 #else /* CONFIG_AP */ 4017 return FALSE; 4018 #endif /* CONFIG_AP */ 4019 } 4020 4021 4022 /** 4023 * wpas_dbus_getter_sta_aid - Return the AID of a connected station 4024 * @iter: Pointer to incoming dbus message iter 4025 * @error: Location to store error on failure 4026 * @user_data: Function specific data 4027 * Returns: TRUE on success, FALSE on failure 4028 * 4029 * Getter for "AID" property. 4030 */ 4031 dbus_bool_t wpas_dbus_getter_sta_aid( 4032 const struct wpa_dbus_property_desc *property_desc, 4033 DBusMessageIter *iter, DBusError *error, void *user_data) 4034 { 4035 #ifdef CONFIG_AP 4036 struct sta_handler_args *args = user_data; 4037 struct sta_info *sta; 4038 4039 sta = ap_get_sta(args->wpa_s->ap_iface->bss[0], args->sta); 4040 if (!sta) 4041 return FALSE; 4042 4043 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT16, 4044 &sta->aid, 4045 error); 4046 #else /* CONFIG_AP */ 4047 return FALSE; 4048 #endif /* CONFIG_AP */ 4049 } 4050 4051 4052 /** 4053 * wpas_dbus_getter_sta_caps - Return the capabilities of a station 4054 * @iter: Pointer to incoming dbus message iter 4055 * @error: Location to store error on failure 4056 * @user_data: Function specific data 4057 * Returns: TRUE on success, FALSE on failure 4058 * 4059 * Getter for "Capabilities" property. 4060 */ 4061 dbus_bool_t wpas_dbus_getter_sta_caps( 4062 const struct wpa_dbus_property_desc *property_desc, 4063 DBusMessageIter *iter, DBusError *error, void *user_data) 4064 { 4065 #ifdef CONFIG_AP 4066 struct sta_handler_args *args = user_data; 4067 struct sta_info *sta; 4068 4069 sta = ap_get_sta(args->wpa_s->ap_iface->bss[0], args->sta); 4070 if (!sta) 4071 return FALSE; 4072 4073 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT16, 4074 &sta->capability, 4075 error); 4076 #else /* CONFIG_AP */ 4077 return FALSE; 4078 #endif /* CONFIG_AP */ 4079 } 4080 4081 4082 /** 4083 * wpas_dbus_getter_rx_packets - Return the received packets for a station 4084 * @iter: Pointer to incoming dbus message iter 4085 * @error: Location to store error on failure 4086 * @user_data: Function specific data 4087 * Returns: TRUE on success, FALSE on failure 4088 * 4089 * Getter for "RxPackets" property. 4090 */ 4091 dbus_bool_t wpas_dbus_getter_sta_rx_packets( 4092 const struct wpa_dbus_property_desc *property_desc, 4093 DBusMessageIter *iter, DBusError *error, void *user_data) 4094 { 4095 #ifdef CONFIG_AP 4096 struct sta_handler_args *args = user_data; 4097 struct sta_info *sta; 4098 struct hostap_sta_driver_data data; 4099 struct hostapd_data *hapd; 4100 4101 if (!args->wpa_s->ap_iface) 4102 return FALSE; 4103 4104 hapd = args->wpa_s->ap_iface->bss[0]; 4105 sta = ap_get_sta(hapd, args->sta); 4106 if (!sta) 4107 return FALSE; 4108 4109 if (hostapd_drv_read_sta_data(hapd, &data, sta->addr) < 0) 4110 return FALSE; 4111 4112 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT64, 4113 &data.rx_packets, 4114 error); 4115 #else /* CONFIG_AP */ 4116 return FALSE; 4117 #endif /* CONFIG_AP */ 4118 } 4119 4120 4121 /** 4122 * wpas_dbus_getter_tx_packets - Return the transmitted packets for a station 4123 * @iter: Pointer to incoming dbus message iter 4124 * @error: Location to store error on failure 4125 * @user_data: Function specific data 4126 * Returns: TRUE on success, FALSE on failure 4127 * 4128 * Getter for "TxPackets" property. 4129 */ 4130 dbus_bool_t wpas_dbus_getter_sta_tx_packets( 4131 const struct wpa_dbus_property_desc *property_desc, 4132 DBusMessageIter *iter, DBusError *error, void *user_data) 4133 { 4134 #ifdef CONFIG_AP 4135 struct sta_handler_args *args = user_data; 4136 struct sta_info *sta; 4137 struct hostap_sta_driver_data data; 4138 struct hostapd_data *hapd; 4139 4140 if (!args->wpa_s->ap_iface) 4141 return FALSE; 4142 4143 hapd = args->wpa_s->ap_iface->bss[0]; 4144 sta = ap_get_sta(hapd, args->sta); 4145 if (!sta) 4146 return FALSE; 4147 4148 if (hostapd_drv_read_sta_data(hapd, &data, sta->addr) < 0) 4149 return FALSE; 4150 4151 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT64, 4152 &data.tx_packets, 4153 error); 4154 #else /* CONFIG_AP */ 4155 return FALSE; 4156 #endif /* CONFIG_AP */ 4157 } 4158 4159 4160 /** 4161 * wpas_dbus_getter_tx_bytes - Return the transmitted bytes for a station 4162 * @iter: Pointer to incoming dbus message iter 4163 * @error: Location to store error on failure 4164 * @user_data: Function specific data 4165 * Returns: TRUE on success, FALSE on failure 4166 * 4167 * Getter for "TxBytes" property. 4168 */ 4169 dbus_bool_t wpas_dbus_getter_sta_tx_bytes( 4170 const struct wpa_dbus_property_desc *property_desc, 4171 DBusMessageIter *iter, DBusError *error, void *user_data) 4172 { 4173 #ifdef CONFIG_AP 4174 struct sta_handler_args *args = user_data; 4175 struct sta_info *sta; 4176 struct hostap_sta_driver_data data; 4177 struct hostapd_data *hapd; 4178 4179 if (!args->wpa_s->ap_iface) 4180 return FALSE; 4181 4182 hapd = args->wpa_s->ap_iface->bss[0]; 4183 sta = ap_get_sta(hapd, args->sta); 4184 if (!sta) 4185 return FALSE; 4186 4187 if (hostapd_drv_read_sta_data(hapd, &data, sta->addr) < 0) 4188 return FALSE; 4189 4190 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT64, 4191 &data.tx_bytes, 4192 error); 4193 #else /* CONFIG_AP */ 4194 return FALSE; 4195 #endif /* CONFIG_AP */ 4196 } 4197 4198 4199 /** 4200 * wpas_dbus_getter_rx_bytes - Return the received bytes for a station 4201 * @iter: Pointer to incoming dbus message iter 4202 * @error: Location to store error on failure 4203 * @user_data: Function specific data 4204 * Returns: TRUE on success, FALSE on failure 4205 * 4206 * Getter for "RxBytes" property. 4207 */ 4208 dbus_bool_t wpas_dbus_getter_sta_rx_bytes( 4209 const struct wpa_dbus_property_desc *property_desc, 4210 DBusMessageIter *iter, DBusError *error, void *user_data) 4211 { 4212 #ifdef CONFIG_AP 4213 struct sta_handler_args *args = user_data; 4214 struct sta_info *sta; 4215 struct hostap_sta_driver_data data; 4216 struct hostapd_data *hapd; 4217 4218 if (!args->wpa_s->ap_iface) 4219 return FALSE; 4220 4221 hapd = args->wpa_s->ap_iface->bss[0]; 4222 sta = ap_get_sta(hapd, args->sta); 4223 if (!sta) 4224 return FALSE; 4225 4226 if (hostapd_drv_read_sta_data(hapd, &data, sta->addr) < 0) 4227 return FALSE; 4228 4229 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT64, 4230 &data.rx_bytes, 4231 error); 4232 #else /* CONFIG_AP */ 4233 return FALSE; 4234 #endif /* CONFIG_AP */ 4235 } 4236 4237 4238 static struct wpa_bss * get_bss_helper(struct bss_handler_args *args, 4239 DBusError *error, const char *func_name) 4240 { 4241 struct wpa_bss *res = wpa_bss_get_id(args->wpa_s, args->id); 4242 4243 if (!res) { 4244 wpa_printf(MSG_ERROR, "%s[dbus]: no bss with id %d found", 4245 func_name, args->id); 4246 dbus_set_error(error, DBUS_ERROR_FAILED, 4247 "%s: BSS %d not found", 4248 func_name, args->id); 4249 } 4250 4251 return res; 4252 } 4253 4254 4255 /** 4256 * wpas_dbus_getter_bss_bssid - Return the BSSID of a BSS 4257 * @iter: Pointer to incoming dbus message iter 4258 * @error: Location to store error on failure 4259 * @user_data: Function specific data 4260 * Returns: TRUE on success, FALSE on failure 4261 * 4262 * Getter for "BSSID" property. 4263 */ 4264 dbus_bool_t wpas_dbus_getter_bss_bssid( 4265 const struct wpa_dbus_property_desc *property_desc, 4266 DBusMessageIter *iter, DBusError *error, void *user_data) 4267 { 4268 struct bss_handler_args *args = user_data; 4269 struct wpa_bss *res; 4270 4271 res = get_bss_helper(args, error, __func__); 4272 if (!res) 4273 return FALSE; 4274 4275 return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE, 4276 res->bssid, ETH_ALEN, 4277 error); 4278 } 4279 4280 4281 /** 4282 * wpas_dbus_getter_bss_ssid - Return the SSID of a BSS 4283 * @iter: Pointer to incoming dbus message iter 4284 * @error: Location to store error on failure 4285 * @user_data: Function specific data 4286 * Returns: TRUE on success, FALSE on failure 4287 * 4288 * Getter for "SSID" property. 4289 */ 4290 dbus_bool_t wpas_dbus_getter_bss_ssid( 4291 const struct wpa_dbus_property_desc *property_desc, 4292 DBusMessageIter *iter, DBusError *error, void *user_data) 4293 { 4294 struct bss_handler_args *args = user_data; 4295 struct wpa_bss *res; 4296 4297 res = get_bss_helper(args, error, __func__); 4298 if (!res) 4299 return FALSE; 4300 4301 return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE, 4302 res->ssid, res->ssid_len, 4303 error); 4304 } 4305 4306 4307 /** 4308 * wpas_dbus_getter_bss_privacy - Return the privacy flag of a BSS 4309 * @iter: Pointer to incoming dbus message iter 4310 * @error: Location to store error on failure 4311 * @user_data: Function specific data 4312 * Returns: TRUE on success, FALSE on failure 4313 * 4314 * Getter for "Privacy" property. 4315 */ 4316 dbus_bool_t wpas_dbus_getter_bss_privacy( 4317 const struct wpa_dbus_property_desc *property_desc, 4318 DBusMessageIter *iter, DBusError *error, void *user_data) 4319 { 4320 struct bss_handler_args *args = user_data; 4321 struct wpa_bss *res; 4322 dbus_bool_t privacy; 4323 4324 res = get_bss_helper(args, error, __func__); 4325 if (!res) 4326 return FALSE; 4327 4328 privacy = (res->caps & IEEE80211_CAP_PRIVACY) ? TRUE : FALSE; 4329 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN, 4330 &privacy, error); 4331 } 4332 4333 4334 /** 4335 * wpas_dbus_getter_bss_mode - Return the mode of a BSS 4336 * @iter: Pointer to incoming dbus message iter 4337 * @error: Location to store error on failure 4338 * @user_data: Function specific data 4339 * Returns: TRUE on success, FALSE on failure 4340 * 4341 * Getter for "Mode" property. 4342 */ 4343 dbus_bool_t wpas_dbus_getter_bss_mode( 4344 const struct wpa_dbus_property_desc *property_desc, 4345 DBusMessageIter *iter, DBusError *error, void *user_data) 4346 { 4347 struct bss_handler_args *args = user_data; 4348 struct wpa_bss *res; 4349 const char *mode; 4350 const u8 *mesh; 4351 4352 res = get_bss_helper(args, error, __func__); 4353 if (!res) 4354 return FALSE; 4355 if (bss_is_dmg(res)) { 4356 switch (res->caps & IEEE80211_CAP_DMG_MASK) { 4357 case IEEE80211_CAP_DMG_PBSS: 4358 case IEEE80211_CAP_DMG_IBSS: 4359 mode = "ad-hoc"; 4360 break; 4361 case IEEE80211_CAP_DMG_AP: 4362 mode = "infrastructure"; 4363 break; 4364 default: 4365 mode = ""; 4366 break; 4367 } 4368 } else { 4369 mesh = wpa_bss_get_ie(res, WLAN_EID_MESH_ID); 4370 if (mesh) 4371 mode = "mesh"; 4372 else if (res->caps & IEEE80211_CAP_IBSS) 4373 mode = "ad-hoc"; 4374 else 4375 mode = "infrastructure"; 4376 } 4377 4378 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING, 4379 &mode, error); 4380 } 4381 4382 4383 /** 4384 * wpas_dbus_getter_bss_level - Return the signal strength of a BSS 4385 * @iter: Pointer to incoming dbus message iter 4386 * @error: Location to store error on failure 4387 * @user_data: Function specific data 4388 * Returns: TRUE on success, FALSE on failure 4389 * 4390 * Getter for "Level" property. 4391 */ 4392 dbus_bool_t wpas_dbus_getter_bss_signal( 4393 const struct wpa_dbus_property_desc *property_desc, 4394 DBusMessageIter *iter, DBusError *error, void *user_data) 4395 { 4396 struct bss_handler_args *args = user_data; 4397 struct wpa_bss *res; 4398 s16 level; 4399 4400 res = get_bss_helper(args, error, __func__); 4401 if (!res) 4402 return FALSE; 4403 4404 level = (s16) res->level; 4405 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT16, 4406 &level, error); 4407 } 4408 4409 4410 /** 4411 * wpas_dbus_getter_bss_frequency - Return the frequency of a BSS 4412 * @iter: Pointer to incoming dbus message iter 4413 * @error: Location to store error on failure 4414 * @user_data: Function specific data 4415 * Returns: TRUE on success, FALSE on failure 4416 * 4417 * Getter for "Frequency" property. 4418 */ 4419 dbus_bool_t wpas_dbus_getter_bss_frequency( 4420 const struct wpa_dbus_property_desc *property_desc, 4421 DBusMessageIter *iter, DBusError *error, void *user_data) 4422 { 4423 struct bss_handler_args *args = user_data; 4424 struct wpa_bss *res; 4425 u16 freq; 4426 4427 res = get_bss_helper(args, error, __func__); 4428 if (!res) 4429 return FALSE; 4430 4431 freq = (u16) res->freq; 4432 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT16, 4433 &freq, error); 4434 } 4435 4436 4437 static int cmp_u8s_desc(const void *a, const void *b) 4438 { 4439 return (*(u8 *) b - *(u8 *) a); 4440 } 4441 4442 4443 /** 4444 * wpas_dbus_getter_bss_rates - Return available bit rates of a BSS 4445 * @iter: Pointer to incoming dbus message iter 4446 * @error: Location to store error on failure 4447 * @user_data: Function specific data 4448 * Returns: TRUE on success, FALSE on failure 4449 * 4450 * Getter for "Rates" property. 4451 */ 4452 dbus_bool_t wpas_dbus_getter_bss_rates( 4453 const struct wpa_dbus_property_desc *property_desc, 4454 DBusMessageIter *iter, DBusError *error, void *user_data) 4455 { 4456 struct bss_handler_args *args = user_data; 4457 struct wpa_bss *res; 4458 u8 *ie_rates = NULL; 4459 u32 *real_rates; 4460 int rates_num, i; 4461 dbus_bool_t success = FALSE; 4462 4463 res = get_bss_helper(args, error, __func__); 4464 if (!res) 4465 return FALSE; 4466 4467 rates_num = wpa_bss_get_bit_rates(res, &ie_rates); 4468 if (rates_num < 0) 4469 return FALSE; 4470 4471 qsort(ie_rates, rates_num, 1, cmp_u8s_desc); 4472 4473 real_rates = os_malloc(sizeof(u32) * rates_num); 4474 if (!real_rates) { 4475 os_free(ie_rates); 4476 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory"); 4477 return FALSE; 4478 } 4479 4480 for (i = 0; i < rates_num; i++) 4481 real_rates[i] = ie_rates[i] * 500000; 4482 4483 success = wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_UINT32, 4484 real_rates, rates_num, 4485 error); 4486 4487 os_free(ie_rates); 4488 os_free(real_rates); 4489 return success; 4490 } 4491 4492 4493 static dbus_bool_t wpas_dbus_get_bss_security_prop( 4494 const struct wpa_dbus_property_desc *property_desc, 4495 DBusMessageIter *iter, struct wpa_ie_data *ie_data, DBusError *error) 4496 { 4497 DBusMessageIter iter_dict, variant_iter; 4498 const char *group; 4499 const char *pairwise[5]; /* max 5 pairwise ciphers is supported */ 4500 const char *key_mgmt[15]; /* max 15 key managements may be supported */ 4501 int n; 4502 4503 if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, 4504 "a{sv}", &variant_iter)) 4505 goto nomem; 4506 4507 if (!wpa_dbus_dict_open_write(&variant_iter, &iter_dict)) 4508 goto nomem; 4509 4510 /* 4511 * KeyMgmt 4512 * 4513 * When adding a new entry here, please take care to extend key_mgmt[] 4514 * and keep documentation in doc/dbus.doxygen up to date. 4515 */ 4516 n = 0; 4517 if (ie_data->key_mgmt & WPA_KEY_MGMT_PSK) 4518 key_mgmt[n++] = "wpa-psk"; 4519 if (ie_data->key_mgmt & WPA_KEY_MGMT_FT_PSK) 4520 key_mgmt[n++] = "wpa-ft-psk"; 4521 if (ie_data->key_mgmt & WPA_KEY_MGMT_PSK_SHA256) 4522 key_mgmt[n++] = "wpa-psk-sha256"; 4523 if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X) 4524 key_mgmt[n++] = "wpa-eap"; 4525 if (ie_data->key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) 4526 key_mgmt[n++] = "wpa-ft-eap"; 4527 if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) 4528 key_mgmt[n++] = "wpa-eap-sha256"; 4529 #ifdef CONFIG_SUITEB 4530 if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) 4531 key_mgmt[n++] = "wpa-eap-suite-b"; 4532 #endif /* CONFIG_SUITEB */ 4533 #ifdef CONFIG_SUITEB192 4534 if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) 4535 key_mgmt[n++] = "wpa-eap-suite-b-192"; 4536 #endif /* CONFIG_SUITEB192 */ 4537 #ifdef CONFIG_FILS 4538 if (ie_data->key_mgmt & WPA_KEY_MGMT_FILS_SHA256) 4539 key_mgmt[n++] = "wpa-fils-sha256"; 4540 if (ie_data->key_mgmt & WPA_KEY_MGMT_FILS_SHA384) 4541 key_mgmt[n++] = "wpa-fils-sha384"; 4542 if (ie_data->key_mgmt & WPA_KEY_MGMT_FT_FILS_SHA256) 4543 key_mgmt[n++] = "wpa-ft-fils-sha256"; 4544 if (ie_data->key_mgmt & WPA_KEY_MGMT_FT_FILS_SHA384) 4545 key_mgmt[n++] = "wpa-ft-fils-sha384"; 4546 #endif /* CONFIG_FILS */ 4547 #ifdef CONFIG_SAE 4548 if (ie_data->key_mgmt & WPA_KEY_MGMT_SAE) 4549 key_mgmt[n++] = "sae"; 4550 if (ie_data->key_mgmt & WPA_KEY_MGMT_FT_SAE) 4551 key_mgmt[n++] = "ft-sae"; 4552 #endif /* CONFIG_SAE */ 4553 if (ie_data->key_mgmt & WPA_KEY_MGMT_NONE) 4554 key_mgmt[n++] = "wpa-none"; 4555 4556 if (!wpa_dbus_dict_append_string_array(&iter_dict, "KeyMgmt", 4557 key_mgmt, n)) 4558 goto nomem; 4559 4560 /* Group */ 4561 switch (ie_data->group_cipher) { 4562 case WPA_CIPHER_WEP40: 4563 group = "wep40"; 4564 break; 4565 case WPA_CIPHER_TKIP: 4566 group = "tkip"; 4567 break; 4568 case WPA_CIPHER_CCMP: 4569 group = "ccmp"; 4570 break; 4571 case WPA_CIPHER_GCMP: 4572 group = "gcmp"; 4573 break; 4574 case WPA_CIPHER_WEP104: 4575 group = "wep104"; 4576 break; 4577 case WPA_CIPHER_CCMP_256: 4578 group = "ccmp-256"; 4579 break; 4580 case WPA_CIPHER_GCMP_256: 4581 group = "gcmp-256"; 4582 break; 4583 default: 4584 group = ""; 4585 break; 4586 } 4587 4588 if (!wpa_dbus_dict_append_string(&iter_dict, "Group", group)) 4589 goto nomem; 4590 4591 /* Pairwise */ 4592 n = 0; 4593 if (ie_data->pairwise_cipher & WPA_CIPHER_TKIP) 4594 pairwise[n++] = "tkip"; 4595 if (ie_data->pairwise_cipher & WPA_CIPHER_CCMP) 4596 pairwise[n++] = "ccmp"; 4597 if (ie_data->pairwise_cipher & WPA_CIPHER_GCMP) 4598 pairwise[n++] = "gcmp"; 4599 if (ie_data->pairwise_cipher & WPA_CIPHER_CCMP_256) 4600 pairwise[n++] = "ccmp-256"; 4601 if (ie_data->pairwise_cipher & WPA_CIPHER_GCMP_256) 4602 pairwise[n++] = "gcmp-256"; 4603 4604 if (!wpa_dbus_dict_append_string_array(&iter_dict, "Pairwise", 4605 pairwise, n)) 4606 goto nomem; 4607 4608 /* Management group (RSN only) */ 4609 if (ie_data->proto == WPA_PROTO_RSN) { 4610 switch (ie_data->mgmt_group_cipher) { 4611 #ifdef CONFIG_IEEE80211W 4612 case WPA_CIPHER_AES_128_CMAC: 4613 group = "aes128cmac"; 4614 break; 4615 #endif /* CONFIG_IEEE80211W */ 4616 default: 4617 group = ""; 4618 break; 4619 } 4620 4621 if (!wpa_dbus_dict_append_string(&iter_dict, "MgmtGroup", 4622 group)) 4623 goto nomem; 4624 } 4625 4626 if (!wpa_dbus_dict_close_write(&variant_iter, &iter_dict) || 4627 !dbus_message_iter_close_container(iter, &variant_iter)) 4628 goto nomem; 4629 4630 return TRUE; 4631 4632 nomem: 4633 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory"); 4634 return FALSE; 4635 } 4636 4637 4638 /** 4639 * wpas_dbus_getter_bss_wpa - Return the WPA options of a BSS 4640 * @iter: Pointer to incoming dbus message iter 4641 * @error: Location to store error on failure 4642 * @user_data: Function specific data 4643 * Returns: TRUE on success, FALSE on failure 4644 * 4645 * Getter for "WPA" property. 4646 */ 4647 dbus_bool_t wpas_dbus_getter_bss_wpa( 4648 const struct wpa_dbus_property_desc *property_desc, 4649 DBusMessageIter *iter, DBusError *error, void *user_data) 4650 { 4651 struct bss_handler_args *args = user_data; 4652 struct wpa_bss *res; 4653 struct wpa_ie_data wpa_data; 4654 const u8 *ie; 4655 4656 res = get_bss_helper(args, error, __func__); 4657 if (!res) 4658 return FALSE; 4659 4660 os_memset(&wpa_data, 0, sizeof(wpa_data)); 4661 ie = wpa_bss_get_vendor_ie(res, WPA_IE_VENDOR_TYPE); 4662 if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &wpa_data) < 0) { 4663 dbus_set_error_const(error, DBUS_ERROR_FAILED, 4664 "failed to parse WPA IE"); 4665 return FALSE; 4666 } 4667 4668 return wpas_dbus_get_bss_security_prop(property_desc, iter, &wpa_data, error); 4669 } 4670 4671 4672 /** 4673 * wpas_dbus_getter_bss_rsn - Return the RSN options of a BSS 4674 * @iter: Pointer to incoming dbus message iter 4675 * @error: Location to store error on failure 4676 * @user_data: Function specific data 4677 * Returns: TRUE on success, FALSE on failure 4678 * 4679 * Getter for "RSN" property. 4680 */ 4681 dbus_bool_t wpas_dbus_getter_bss_rsn( 4682 const struct wpa_dbus_property_desc *property_desc, 4683 DBusMessageIter *iter, DBusError *error, void *user_data) 4684 { 4685 struct bss_handler_args *args = user_data; 4686 struct wpa_bss *res; 4687 struct wpa_ie_data wpa_data; 4688 const u8 *ie; 4689 4690 res = get_bss_helper(args, error, __func__); 4691 if (!res) 4692 return FALSE; 4693 4694 os_memset(&wpa_data, 0, sizeof(wpa_data)); 4695 ie = wpa_bss_get_ie(res, WLAN_EID_RSN); 4696 if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &wpa_data) < 0) { 4697 dbus_set_error_const(error, DBUS_ERROR_FAILED, 4698 "failed to parse RSN IE"); 4699 return FALSE; 4700 } 4701 4702 return wpas_dbus_get_bss_security_prop(property_desc, iter, &wpa_data, error); 4703 } 4704 4705 4706 /** 4707 * wpas_dbus_getter_bss_wps - Return the WPS options of a BSS 4708 * @iter: Pointer to incoming dbus message iter 4709 * @error: Location to store error on failure 4710 * @user_data: Function specific data 4711 * Returns: TRUE on success, FALSE on failure 4712 * 4713 * Getter for "WPS" property. 4714 */ 4715 dbus_bool_t wpas_dbus_getter_bss_wps( 4716 const struct wpa_dbus_property_desc *property_desc, 4717 DBusMessageIter *iter, DBusError *error, void *user_data) 4718 { 4719 struct bss_handler_args *args = user_data; 4720 struct wpa_bss *res; 4721 #ifdef CONFIG_WPS 4722 struct wpabuf *wps_ie; 4723 #endif /* CONFIG_WPS */ 4724 DBusMessageIter iter_dict, variant_iter; 4725 int wps_support = 0; 4726 const char *type = ""; 4727 4728 res = get_bss_helper(args, error, __func__); 4729 if (!res) 4730 return FALSE; 4731 4732 if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, 4733 "a{sv}", &variant_iter) || 4734 !wpa_dbus_dict_open_write(&variant_iter, &iter_dict)) 4735 goto nomem; 4736 4737 #ifdef CONFIG_WPS 4738 wps_ie = wpa_bss_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE); 4739 if (wps_ie) { 4740 wps_support = 1; 4741 if (wps_is_selected_pbc_registrar(wps_ie)) 4742 type = "pbc"; 4743 else if (wps_is_selected_pin_registrar(wps_ie)) 4744 type = "pin"; 4745 4746 wpabuf_free(wps_ie); 4747 } 4748 #endif /* CONFIG_WPS */ 4749 4750 if ((wps_support && !wpa_dbus_dict_append_string(&iter_dict, "Type", type)) || 4751 !wpa_dbus_dict_close_write(&variant_iter, &iter_dict) || 4752 !dbus_message_iter_close_container(iter, &variant_iter)) 4753 goto nomem; 4754 4755 return TRUE; 4756 4757 nomem: 4758 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory"); 4759 return FALSE; 4760 } 4761 4762 4763 /** 4764 * wpas_dbus_getter_bss_ies - Return all IEs of a BSS 4765 * @iter: Pointer to incoming dbus message iter 4766 * @error: Location to store error on failure 4767 * @user_data: Function specific data 4768 * Returns: TRUE on success, FALSE on failure 4769 * 4770 * Getter for "IEs" property. 4771 */ 4772 dbus_bool_t wpas_dbus_getter_bss_ies( 4773 const struct wpa_dbus_property_desc *property_desc, 4774 DBusMessageIter *iter, DBusError *error, void *user_data) 4775 { 4776 struct bss_handler_args *args = user_data; 4777 struct wpa_bss *res; 4778 4779 res = get_bss_helper(args, error, __func__); 4780 if (!res) 4781 return FALSE; 4782 4783 return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE, 4784 res + 1, res->ie_len, 4785 error); 4786 } 4787 4788 4789 /** 4790 * wpas_dbus_getter_bss_age - Return time in seconds since BSS was last seen 4791 * @iter: Pointer to incoming dbus message iter 4792 * @error: Location to store error on failure 4793 * @user_data: Function specific data 4794 * Returns: TRUE on success, FALSE on failure 4795 * 4796 * Getter for BSS age 4797 */ 4798 dbus_bool_t wpas_dbus_getter_bss_age( 4799 const struct wpa_dbus_property_desc *property_desc, 4800 DBusMessageIter *iter, DBusError *error, void *user_data) 4801 { 4802 struct bss_handler_args *args = user_data; 4803 struct wpa_bss *res; 4804 struct os_reltime now, diff = { 0, 0 }; 4805 u32 age; 4806 4807 res = get_bss_helper(args, error, __func__); 4808 if (!res) 4809 return FALSE; 4810 4811 os_get_reltime(&now); 4812 os_reltime_sub(&now, &res->last_update, &diff); 4813 age = diff.sec > 0 ? diff.sec : 0; 4814 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32, &age, 4815 error); 4816 } 4817 4818 4819 /** 4820 * wpas_dbus_getter_enabled - Check whether network is enabled or disabled 4821 * @iter: Pointer to incoming dbus message iter 4822 * @error: Location to store error on failure 4823 * @user_data: Function specific data 4824 * Returns: TRUE on success, FALSE on failure 4825 * 4826 * Getter for "enabled" property of a configured network. 4827 */ 4828 dbus_bool_t wpas_dbus_getter_enabled( 4829 const struct wpa_dbus_property_desc *property_desc, 4830 DBusMessageIter *iter, DBusError *error, void *user_data) 4831 { 4832 struct network_handler_args *net = user_data; 4833 dbus_bool_t enabled = net->ssid->disabled ? FALSE : TRUE; 4834 4835 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN, 4836 &enabled, error); 4837 } 4838 4839 4840 /** 4841 * wpas_dbus_setter_enabled - Mark a configured network as enabled or disabled 4842 * @iter: Pointer to incoming dbus message iter 4843 * @error: Location to store error on failure 4844 * @user_data: Function specific data 4845 * Returns: TRUE on success, FALSE on failure 4846 * 4847 * Setter for "Enabled" property of a configured network. 4848 */ 4849 dbus_bool_t wpas_dbus_setter_enabled( 4850 const struct wpa_dbus_property_desc *property_desc, 4851 DBusMessageIter *iter, DBusError *error, void *user_data) 4852 { 4853 struct network_handler_args *net = user_data; 4854 struct wpa_supplicant *wpa_s; 4855 struct wpa_ssid *ssid; 4856 dbus_bool_t enable; 4857 4858 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN, 4859 &enable)) 4860 return FALSE; 4861 4862 wpa_s = net->wpa_s; 4863 ssid = net->ssid; 4864 4865 if (enable) 4866 wpa_supplicant_enable_network(wpa_s, ssid); 4867 else 4868 wpa_supplicant_disable_network(wpa_s, ssid); 4869 4870 return TRUE; 4871 } 4872 4873 4874 /** 4875 * wpas_dbus_getter_network_properties - Get options for a configured network 4876 * @iter: Pointer to incoming dbus message iter 4877 * @error: Location to store error on failure 4878 * @user_data: Function specific data 4879 * Returns: TRUE on success, FALSE on failure 4880 * 4881 * Getter for "Properties" property of a configured network. 4882 */ 4883 dbus_bool_t wpas_dbus_getter_network_properties( 4884 const struct wpa_dbus_property_desc *property_desc, 4885 DBusMessageIter *iter, DBusError *error, void *user_data) 4886 { 4887 struct network_handler_args *net = user_data; 4888 DBusMessageIter variant_iter, dict_iter; 4889 char **iterator; 4890 char **props = wpa_config_get_all(net->ssid, 1); 4891 dbus_bool_t success = FALSE; 4892 4893 if (!props) { 4894 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory"); 4895 return FALSE; 4896 } 4897 4898 if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, "a{sv}", 4899 &variant_iter) || 4900 !wpa_dbus_dict_open_write(&variant_iter, &dict_iter)) { 4901 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory"); 4902 goto out; 4903 } 4904 4905 iterator = props; 4906 while (*iterator) { 4907 if (!wpa_dbus_dict_append_string(&dict_iter, *iterator, 4908 *(iterator + 1))) { 4909 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, 4910 "no memory"); 4911 goto out; 4912 } 4913 iterator += 2; 4914 } 4915 4916 4917 if (!wpa_dbus_dict_close_write(&variant_iter, &dict_iter) || 4918 !dbus_message_iter_close_container(iter, &variant_iter)) { 4919 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory"); 4920 goto out; 4921 } 4922 4923 success = TRUE; 4924 4925 out: 4926 iterator = props; 4927 while (*iterator) { 4928 os_free(*iterator); 4929 iterator++; 4930 } 4931 os_free(props); 4932 return success; 4933 } 4934 4935 4936 /** 4937 * wpas_dbus_setter_network_properties - Set options for a configured network 4938 * @iter: Pointer to incoming dbus message iter 4939 * @error: Location to store error on failure 4940 * @user_data: Function specific data 4941 * Returns: TRUE on success, FALSE on failure 4942 * 4943 * Setter for "Properties" property of a configured network. 4944 */ 4945 dbus_bool_t wpas_dbus_setter_network_properties( 4946 const struct wpa_dbus_property_desc *property_desc, 4947 DBusMessageIter *iter, DBusError *error, void *user_data) 4948 { 4949 struct network_handler_args *net = user_data; 4950 struct wpa_ssid *ssid = net->ssid; 4951 DBusMessageIter variant_iter; 4952 4953 dbus_message_iter_recurse(iter, &variant_iter); 4954 return set_network_properties(net->wpa_s, ssid, &variant_iter, error); 4955 } 4956 4957 4958 #ifdef CONFIG_AP 4959 4960 DBusMessage * wpas_dbus_handler_subscribe_preq( 4961 DBusMessage *message, struct wpa_supplicant *wpa_s) 4962 { 4963 struct wpas_dbus_priv *priv = wpa_s->global->dbus; 4964 char *name; 4965 4966 if (wpa_s->preq_notify_peer != NULL) { 4967 if (os_strcmp(dbus_message_get_sender(message), 4968 wpa_s->preq_notify_peer) == 0) 4969 return NULL; 4970 4971 return dbus_message_new_error(message, 4972 WPAS_DBUS_ERROR_SUBSCRIPTION_IN_USE, 4973 "Another application is already subscribed"); 4974 } 4975 4976 name = os_strdup(dbus_message_get_sender(message)); 4977 if (!name) 4978 return wpas_dbus_error_no_memory(message); 4979 4980 wpa_s->preq_notify_peer = name; 4981 4982 /* Subscribe to clean up if application closes socket */ 4983 wpas_dbus_subscribe_noc(priv); 4984 4985 /* 4986 * Double-check it's still alive to make sure that we didn't 4987 * miss the NameOwnerChanged signal, e.g. while strdup'ing. 4988 */ 4989 if (!dbus_bus_name_has_owner(priv->con, name, NULL)) { 4990 /* 4991 * Application no longer exists, clean up. 4992 * The return value is irrelevant now. 4993 * 4994 * Need to check if the NameOwnerChanged handling 4995 * already cleaned up because we have processed 4996 * DBus messages while checking if the name still 4997 * has an owner. 4998 */ 4999 if (!wpa_s->preq_notify_peer) 5000 return NULL; 5001 os_free(wpa_s->preq_notify_peer); 5002 wpa_s->preq_notify_peer = NULL; 5003 wpas_dbus_unsubscribe_noc(priv); 5004 } 5005 5006 return NULL; 5007 } 5008 5009 5010 DBusMessage * wpas_dbus_handler_unsubscribe_preq( 5011 DBusMessage *message, struct wpa_supplicant *wpa_s) 5012 { 5013 struct wpas_dbus_priv *priv = wpa_s->global->dbus; 5014 5015 if (!wpa_s->preq_notify_peer) 5016 return dbus_message_new_error(message, 5017 WPAS_DBUS_ERROR_NO_SUBSCRIPTION, 5018 "Not subscribed"); 5019 5020 if (os_strcmp(wpa_s->preq_notify_peer, 5021 dbus_message_get_sender(message))) 5022 return dbus_message_new_error(message, 5023 WPAS_DBUS_ERROR_SUBSCRIPTION_EPERM, 5024 "Can't unsubscribe others"); 5025 5026 os_free(wpa_s->preq_notify_peer); 5027 wpa_s->preq_notify_peer = NULL; 5028 wpas_dbus_unsubscribe_noc(priv); 5029 return NULL; 5030 } 5031 5032 5033 void wpas_dbus_signal_preq(struct wpa_supplicant *wpa_s, 5034 const u8 *addr, const u8 *dst, const u8 *bssid, 5035 const u8 *ie, size_t ie_len, u32 ssi_signal) 5036 { 5037 DBusMessage *msg; 5038 DBusMessageIter iter, dict_iter; 5039 struct wpas_dbus_priv *priv = wpa_s->global->dbus; 5040 5041 /* Do nothing if the control interface is not turned on */ 5042 if (priv == NULL || !wpa_s->dbus_new_path) 5043 return; 5044 5045 if (wpa_s->preq_notify_peer == NULL) 5046 return; 5047 5048 msg = dbus_message_new_signal(wpa_s->dbus_new_path, 5049 WPAS_DBUS_NEW_IFACE_INTERFACE, 5050 "ProbeRequest"); 5051 if (msg == NULL) 5052 return; 5053 5054 dbus_message_set_destination(msg, wpa_s->preq_notify_peer); 5055 5056 dbus_message_iter_init_append(msg, &iter); 5057 5058 if (!wpa_dbus_dict_open_write(&iter, &dict_iter) || 5059 (addr && !wpa_dbus_dict_append_byte_array(&dict_iter, "addr", 5060 (const char *) addr, 5061 ETH_ALEN)) || 5062 (dst && !wpa_dbus_dict_append_byte_array(&dict_iter, "dst", 5063 (const char *) dst, 5064 ETH_ALEN)) || 5065 (bssid && !wpa_dbus_dict_append_byte_array(&dict_iter, "bssid", 5066 (const char *) bssid, 5067 ETH_ALEN)) || 5068 (ie && ie_len && !wpa_dbus_dict_append_byte_array(&dict_iter, "ies", 5069 (const char *) ie, 5070 ie_len)) || 5071 (ssi_signal && !wpa_dbus_dict_append_int32(&dict_iter, "signal", 5072 ssi_signal)) || 5073 !wpa_dbus_dict_close_write(&iter, &dict_iter)) 5074 goto fail; 5075 5076 dbus_connection_send(priv->con, msg, NULL); 5077 goto out; 5078 fail: 5079 wpa_printf(MSG_ERROR, "dbus: Failed to construct signal"); 5080 out: 5081 dbus_message_unref(msg); 5082 } 5083 5084 #endif /* CONFIG_AP */ 5085 5086 5087 DBusMessage * wpas_dbus_handler_vendor_elem_add(DBusMessage *message, 5088 struct wpa_supplicant *wpa_s) 5089 { 5090 u8 *ielems; 5091 int len; 5092 struct ieee802_11_elems elems; 5093 dbus_int32_t frame_id; 5094 DBusMessageIter iter, array; 5095 5096 dbus_message_iter_init(message, &iter); 5097 dbus_message_iter_get_basic(&iter, &frame_id); 5098 if (frame_id < 0 || frame_id >= NUM_VENDOR_ELEM_FRAMES) { 5099 return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS, 5100 "Invalid ID"); 5101 } 5102 5103 dbus_message_iter_next(&iter); 5104 dbus_message_iter_recurse(&iter, &array); 5105 dbus_message_iter_get_fixed_array(&array, &ielems, &len); 5106 if (!ielems || len == 0) { 5107 return dbus_message_new_error( 5108 message, DBUS_ERROR_INVALID_ARGS, "Invalid value"); 5109 } 5110 5111 if (ieee802_11_parse_elems(ielems, len, &elems, 0) == ParseFailed) { 5112 return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS, 5113 "Parse error"); 5114 } 5115 5116 wpa_s = wpas_vendor_elem(wpa_s, frame_id); 5117 if (!wpa_s->vendor_elem[frame_id]) { 5118 wpa_s->vendor_elem[frame_id] = wpabuf_alloc_copy(ielems, len); 5119 wpas_vendor_elem_update(wpa_s); 5120 return NULL; 5121 } 5122 5123 if (wpabuf_resize(&wpa_s->vendor_elem[frame_id], len) < 0) { 5124 return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS, 5125 "Resize error"); 5126 } 5127 5128 wpabuf_put_data(wpa_s->vendor_elem[frame_id], ielems, len); 5129 wpas_vendor_elem_update(wpa_s); 5130 return NULL; 5131 } 5132 5133 5134 DBusMessage * wpas_dbus_handler_vendor_elem_get(DBusMessage *message, 5135 struct wpa_supplicant *wpa_s) 5136 { 5137 DBusMessage *reply; 5138 DBusMessageIter iter, array_iter; 5139 dbus_int32_t frame_id; 5140 const u8 *elem; 5141 size_t elem_len; 5142 5143 dbus_message_iter_init(message, &iter); 5144 dbus_message_iter_get_basic(&iter, &frame_id); 5145 5146 if (frame_id < 0 || frame_id >= NUM_VENDOR_ELEM_FRAMES) { 5147 return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS, 5148 "Invalid ID"); 5149 } 5150 5151 wpa_s = wpas_vendor_elem(wpa_s, frame_id); 5152 if (!wpa_s->vendor_elem[frame_id]) { 5153 return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS, 5154 "ID value does not exist"); 5155 } 5156 5157 reply = dbus_message_new_method_return(message); 5158 if (!reply) 5159 return wpas_dbus_error_no_memory(message); 5160 5161 dbus_message_iter_init_append(reply, &iter); 5162 5163 elem = wpabuf_head_u8(wpa_s->vendor_elem[frame_id]); 5164 elem_len = wpabuf_len(wpa_s->vendor_elem[frame_id]); 5165 5166 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, 5167 DBUS_TYPE_BYTE_AS_STRING, 5168 &array_iter) || 5169 !dbus_message_iter_append_fixed_array(&array_iter, DBUS_TYPE_BYTE, 5170 &elem, elem_len) || 5171 !dbus_message_iter_close_container(&iter, &array_iter)) { 5172 dbus_message_unref(reply); 5173 reply = wpas_dbus_error_no_memory(message); 5174 } 5175 5176 return reply; 5177 } 5178 5179 5180 DBusMessage * wpas_dbus_handler_vendor_elem_remove(DBusMessage *message, 5181 struct wpa_supplicant *wpa_s) 5182 { 5183 u8 *ielems; 5184 int len; 5185 struct ieee802_11_elems elems; 5186 DBusMessageIter iter, array; 5187 dbus_int32_t frame_id; 5188 5189 dbus_message_iter_init(message, &iter); 5190 dbus_message_iter_get_basic(&iter, &frame_id); 5191 if (frame_id < 0 || frame_id >= NUM_VENDOR_ELEM_FRAMES) { 5192 return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS, 5193 "Invalid ID"); 5194 } 5195 5196 dbus_message_iter_next(&iter); 5197 dbus_message_iter_recurse(&iter, &array); 5198 dbus_message_iter_get_fixed_array(&array, &ielems, &len); 5199 if (!ielems || len == 0) { 5200 return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS, 5201 "Invalid value"); 5202 } 5203 5204 wpa_s = wpas_vendor_elem(wpa_s, frame_id); 5205 5206 if (len == 1 && *ielems == '*') { 5207 wpabuf_free(wpa_s->vendor_elem[frame_id]); 5208 wpa_s->vendor_elem[frame_id] = NULL; 5209 wpas_vendor_elem_update(wpa_s); 5210 return NULL; 5211 } 5212 5213 if (!wpa_s->vendor_elem[frame_id]) { 5214 return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS, 5215 "ID value does not exist"); 5216 } 5217 5218 if (ieee802_11_parse_elems(ielems, len, &elems, 0) == ParseFailed) { 5219 return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS, 5220 "Parse error"); 5221 } 5222 5223 if (wpas_vendor_elem_remove(wpa_s, frame_id, ielems, len) == 0) 5224 return NULL; 5225 5226 return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS, 5227 "Not found"); 5228 } 5229 5230 5231 #ifdef CONFIG_MESH 5232 5233 /** 5234 * wpas_dbus_getter_mesh_peers - Get connected mesh peers 5235 * @iter: Pointer to incoming dbus message iter 5236 * @error: Location to store error on failure 5237 * @user_data: Function specific data 5238 * Returns: TRUE on success, FALSE on failure 5239 * 5240 * Getter for "MeshPeers" property. 5241 */ 5242 dbus_bool_t wpas_dbus_getter_mesh_peers( 5243 const struct wpa_dbus_property_desc *property_desc, 5244 DBusMessageIter *iter, DBusError *error, void *user_data) 5245 { 5246 struct wpa_supplicant *wpa_s = user_data; 5247 struct hostapd_data *hapd; 5248 struct sta_info *sta; 5249 DBusMessageIter variant_iter, array_iter; 5250 int i; 5251 DBusMessageIter inner_array_iter; 5252 5253 if (!wpa_s->ifmsh) 5254 return FALSE; 5255 hapd = wpa_s->ifmsh->bss[0]; 5256 5257 if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, 5258 DBUS_TYPE_ARRAY_AS_STRING 5259 DBUS_TYPE_ARRAY_AS_STRING 5260 DBUS_TYPE_BYTE_AS_STRING, 5261 &variant_iter) || 5262 !dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY, 5263 DBUS_TYPE_ARRAY_AS_STRING 5264 DBUS_TYPE_BYTE_AS_STRING, 5265 &array_iter)) 5266 return FALSE; 5267 5268 for (sta = hapd->sta_list; sta; sta = sta->next) { 5269 if (!dbus_message_iter_open_container( 5270 &array_iter, DBUS_TYPE_ARRAY, 5271 DBUS_TYPE_BYTE_AS_STRING, 5272 &inner_array_iter)) 5273 return FALSE; 5274 5275 for (i = 0; i < ETH_ALEN; i++) { 5276 if (!dbus_message_iter_append_basic(&inner_array_iter, 5277 DBUS_TYPE_BYTE, 5278 &(sta->addr[i]))) 5279 return FALSE; 5280 } 5281 5282 if (!dbus_message_iter_close_container( 5283 &array_iter, &inner_array_iter)) 5284 return FALSE; 5285 } 5286 5287 if (!dbus_message_iter_close_container(&variant_iter, &array_iter) || 5288 !dbus_message_iter_close_container(iter, &variant_iter)) 5289 return FALSE; 5290 5291 return TRUE; 5292 } 5293 5294 5295 /** 5296 * wpas_dbus_getter_mesh_group - Get mesh group 5297 * @iter: Pointer to incoming dbus message iter 5298 * @error: Location to store error on failure 5299 * @user_data: Function specific data 5300 * Returns: TRUE on success, FALSE on failure 5301 * 5302 * Getter for "MeshGroup" property. 5303 */ 5304 dbus_bool_t wpas_dbus_getter_mesh_group( 5305 const struct wpa_dbus_property_desc *property_desc, 5306 DBusMessageIter *iter, DBusError *error, void *user_data) 5307 { 5308 struct wpa_supplicant *wpa_s = user_data; 5309 struct wpa_ssid *ssid = wpa_s->current_ssid; 5310 5311 if (!wpa_s->ifmsh || !ssid) 5312 return FALSE; 5313 5314 if (!wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE, 5315 (char *) ssid->ssid, 5316 ssid->ssid_len, error)) { 5317 dbus_set_error(error, DBUS_ERROR_FAILED, 5318 "%s: error constructing reply", __func__); 5319 return FALSE; 5320 } 5321 5322 return TRUE; 5323 } 5324 5325 #endif /* CONFIG_MESH */ 5326
