dbus_new_handlers.c 112 KB

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  1. /*
  2. * WPA Supplicant / dbus-based control interface
  3. * Copyright (c) 2006, Dan Williams <dcbw@redhat.com> and Red Hat, Inc.
  4. * Copyright (c) 2009-2010, Witold Sowa <witold.sowa@gmail.com>
  5. * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
  6. *
  7. * This software may be distributed under the terms of the BSD license.
  8. * See README for more details.
  9. */
  10. #include "includes.h"
  11. #include "common.h"
  12. #include "common/ieee802_11_defs.h"
  13. #include "eap_peer/eap_methods.h"
  14. #include "eapol_supp/eapol_supp_sm.h"
  15. #include "rsn_supp/wpa.h"
  16. #include "../config.h"
  17. #include "../wpa_supplicant_i.h"
  18. #include "../driver_i.h"
  19. #include "../notify.h"
  20. #include "../bss.h"
  21. #include "../scan.h"
  22. #include "../autoscan.h"
  23. #include "dbus_new_helpers.h"
  24. #include "dbus_new.h"
  25. #include "dbus_new_handlers.h"
  26. #include "dbus_dict_helpers.h"
  27. #include "dbus_common_i.h"
  28. static const char *debug_strings[] = {
  29. "excessive", "msgdump", "debug", "info", "warning", "error", NULL
  30. };
  31. /**
  32. * wpas_dbus_error_unknown_error - Return a new InvalidArgs error message
  33. * @message: Pointer to incoming dbus message this error refers to
  34. * @arg: Optional string appended to error message
  35. * Returns: a dbus error message
  36. *
  37. * Convenience function to create and return an UnknownError
  38. */
  39. DBusMessage * wpas_dbus_error_unknown_error(DBusMessage *message,
  40. const char *arg)
  41. {
  42. /*
  43. * This function can be called as a result of a failure
  44. * within internal getter calls, which will call this function
  45. * with a NULL message parameter. However, dbus_message_new_error
  46. * looks very unkindly (i.e, abort()) on a NULL message, so
  47. * in this case, we should not call it.
  48. */
  49. if (message == NULL) {
  50. wpa_printf(MSG_INFO, "dbus: wpas_dbus_error_unknown_error "
  51. "called with NULL message (arg=%s)",
  52. arg ? arg : "N/A");
  53. return NULL;
  54. }
  55. return dbus_message_new_error(message, WPAS_DBUS_ERROR_UNKNOWN_ERROR,
  56. arg);
  57. }
  58. /**
  59. * wpas_dbus_error_iface_unknown - Return a new invalid interface error message
  60. * @message: Pointer to incoming dbus message this error refers to
  61. * Returns: A dbus error message
  62. *
  63. * Convenience function to create and return an invalid interface error
  64. */
  65. static DBusMessage * wpas_dbus_error_iface_unknown(DBusMessage *message)
  66. {
  67. return dbus_message_new_error(message, WPAS_DBUS_ERROR_IFACE_UNKNOWN,
  68. "wpa_supplicant knows nothing about "
  69. "this interface.");
  70. }
  71. /**
  72. * wpas_dbus_error_network_unknown - Return a new NetworkUnknown error message
  73. * @message: Pointer to incoming dbus message this error refers to
  74. * Returns: a dbus error message
  75. *
  76. * Convenience function to create and return an invalid network error
  77. */
  78. static DBusMessage * wpas_dbus_error_network_unknown(DBusMessage *message)
  79. {
  80. return dbus_message_new_error(message, WPAS_DBUS_ERROR_NETWORK_UNKNOWN,
  81. "There is no such a network in this "
  82. "interface.");
  83. }
  84. /**
  85. * wpas_dbus_error_invalid_args - Return a new InvalidArgs error message
  86. * @message: Pointer to incoming dbus message this error refers to
  87. * Returns: a dbus error message
  88. *
  89. * Convenience function to create and return an invalid options error
  90. */
  91. DBusMessage * wpas_dbus_error_invalid_args(DBusMessage *message,
  92. const char *arg)
  93. {
  94. DBusMessage *reply;
  95. reply = dbus_message_new_error(message, WPAS_DBUS_ERROR_INVALID_ARGS,
  96. "Did not receive correct message "
  97. "arguments.");
  98. if (arg != NULL)
  99. dbus_message_append_args(reply, DBUS_TYPE_STRING, &arg,
  100. DBUS_TYPE_INVALID);
  101. return reply;
  102. }
  103. static const char *dont_quote[] = {
  104. "key_mgmt", "proto", "pairwise", "auth_alg", "group", "eap",
  105. "opensc_engine_path", "pkcs11_engine_path", "pkcs11_module_path",
  106. "bssid", "scan_freq", "freq_list", NULL
  107. };
  108. static dbus_bool_t should_quote_opt(const char *key)
  109. {
  110. int i = 0;
  111. while (dont_quote[i] != NULL) {
  112. if (os_strcmp(key, dont_quote[i]) == 0)
  113. return FALSE;
  114. i++;
  115. }
  116. return TRUE;
  117. }
  118. /**
  119. * get_iface_by_dbus_path - Get a new network interface
  120. * @global: Pointer to global data from wpa_supplicant_init()
  121. * @path: Pointer to a dbus object path representing an interface
  122. * Returns: Pointer to the interface or %NULL if not found
  123. */
  124. static struct wpa_supplicant * get_iface_by_dbus_path(
  125. struct wpa_global *global, const char *path)
  126. {
  127. struct wpa_supplicant *wpa_s;
  128. for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
  129. if (os_strcmp(wpa_s->dbus_new_path, path) == 0)
  130. return wpa_s;
  131. }
  132. return NULL;
  133. }
  134. /**
  135. * set_network_properties - Set properties of a configured network
  136. * @wpa_s: wpa_supplicant structure for a network interface
  137. * @ssid: wpa_ssid structure for a configured network
  138. * @iter: DBus message iterator containing dictionary of network
  139. * properties to set.
  140. * @error: On failure, an error describing the failure
  141. * Returns: TRUE if the request succeeds, FALSE if it failed
  142. *
  143. * Sets network configuration with parameters given id DBus dictionary
  144. */
  145. dbus_bool_t set_network_properties(struct wpa_supplicant *wpa_s,
  146. struct wpa_ssid *ssid,
  147. DBusMessageIter *iter,
  148. DBusError *error)
  149. {
  150. struct wpa_dbus_dict_entry entry = { .type = DBUS_TYPE_STRING };
  151. DBusMessageIter iter_dict;
  152. char *value = NULL;
  153. if (!wpa_dbus_dict_open_read(iter, &iter_dict, error))
  154. return FALSE;
  155. while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
  156. size_t size = 50;
  157. int ret;
  158. if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
  159. goto error;
  160. value = NULL;
  161. if (entry.type == DBUS_TYPE_ARRAY &&
  162. entry.array_type == DBUS_TYPE_BYTE) {
  163. if (entry.array_len <= 0)
  164. goto error;
  165. size = entry.array_len * 2 + 1;
  166. value = os_zalloc(size);
  167. if (value == NULL)
  168. goto error;
  169. ret = wpa_snprintf_hex(value, size,
  170. (u8 *) entry.bytearray_value,
  171. entry.array_len);
  172. if (ret <= 0)
  173. goto error;
  174. } else if (entry.type == DBUS_TYPE_STRING) {
  175. if (should_quote_opt(entry.key)) {
  176. size = os_strlen(entry.str_value);
  177. if (size <= 0)
  178. goto error;
  179. size += 3;
  180. value = os_zalloc(size);
  181. if (value == NULL)
  182. goto error;
  183. ret = os_snprintf(value, size, "\"%s\"",
  184. entry.str_value);
  185. if (ret < 0 || (size_t) ret != (size - 1))
  186. goto error;
  187. } else {
  188. value = os_strdup(entry.str_value);
  189. if (value == NULL)
  190. goto error;
  191. }
  192. } else if (entry.type == DBUS_TYPE_UINT32) {
  193. value = os_zalloc(size);
  194. if (value == NULL)
  195. goto error;
  196. ret = os_snprintf(value, size, "%u",
  197. entry.uint32_value);
  198. if (ret <= 0)
  199. goto error;
  200. } else if (entry.type == DBUS_TYPE_INT32) {
  201. value = os_zalloc(size);
  202. if (value == NULL)
  203. goto error;
  204. ret = os_snprintf(value, size, "%d",
  205. entry.int32_value);
  206. if (ret <= 0)
  207. goto error;
  208. } else
  209. goto error;
  210. if (wpa_config_set(ssid, entry.key, value, 0) < 0)
  211. goto error;
  212. if ((os_strcmp(entry.key, "psk") == 0 &&
  213. value[0] == '"' && ssid->ssid_len) ||
  214. (os_strcmp(entry.key, "ssid") == 0 && ssid->passphrase))
  215. wpa_config_update_psk(ssid);
  216. else if (os_strcmp(entry.key, "priority") == 0)
  217. wpa_config_update_prio_list(wpa_s->conf);
  218. os_free(value);
  219. wpa_dbus_dict_entry_clear(&entry);
  220. }
  221. return TRUE;
  222. error:
  223. os_free(value);
  224. wpa_dbus_dict_entry_clear(&entry);
  225. dbus_set_error_const(error, DBUS_ERROR_INVALID_ARGS,
  226. "invalid message format");
  227. return FALSE;
  228. }
  229. /**
  230. * wpas_dbus_simple_property_getter - Get basic type property
  231. * @iter: Message iter to use when appending arguments
  232. * @type: DBus type of property (must be basic type)
  233. * @val: pointer to place holding property value
  234. * @error: On failure an error describing the failure
  235. * Returns: TRUE if the request was successful, FALSE if it failed
  236. *
  237. * Generic getter for basic type properties. Type is required to be basic.
  238. */
  239. dbus_bool_t wpas_dbus_simple_property_getter(DBusMessageIter *iter,
  240. const int type,
  241. const void *val,
  242. DBusError *error)
  243. {
  244. DBusMessageIter variant_iter;
  245. if (!dbus_type_is_basic(type)) {
  246. dbus_set_error(error, DBUS_ERROR_FAILED,
  247. "%s: given type is not basic", __func__);
  248. return FALSE;
  249. }
  250. if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
  251. wpa_dbus_type_as_string(type),
  252. &variant_iter))
  253. goto error;
  254. if (!dbus_message_iter_append_basic(&variant_iter, type, val))
  255. goto error;
  256. if (!dbus_message_iter_close_container(iter, &variant_iter))
  257. goto error;
  258. return TRUE;
  259. error:
  260. dbus_set_error(error, DBUS_ERROR_FAILED,
  261. "%s: error constructing reply", __func__);
  262. return FALSE;
  263. }
  264. /**
  265. * wpas_dbus_simple_property_setter - Set basic type property
  266. * @message: Pointer to incoming dbus message
  267. * @type: DBus type of property (must be basic type)
  268. * @val: pointer to place where value being set will be stored
  269. * Returns: TRUE if the request was successful, FALSE if it failed
  270. *
  271. * Generic setter for basic type properties. Type is required to be basic.
  272. */
  273. dbus_bool_t wpas_dbus_simple_property_setter(DBusMessageIter *iter,
  274. DBusError *error,
  275. const int type, void *val)
  276. {
  277. DBusMessageIter variant_iter;
  278. if (!dbus_type_is_basic(type)) {
  279. dbus_set_error(error, DBUS_ERROR_FAILED,
  280. "%s: given type is not basic", __func__);
  281. return FALSE;
  282. }
  283. /* Look at the new value */
  284. dbus_message_iter_recurse(iter, &variant_iter);
  285. if (dbus_message_iter_get_arg_type(&variant_iter) != type) {
  286. dbus_set_error_const(error, DBUS_ERROR_FAILED,
  287. "wrong property type");
  288. return FALSE;
  289. }
  290. dbus_message_iter_get_basic(&variant_iter, val);
  291. return TRUE;
  292. }
  293. /**
  294. * wpas_dbus_simple_array_property_getter - Get array type property
  295. * @iter: Pointer to incoming dbus message iterator
  296. * @type: DBus type of property array elements (must be basic type)
  297. * @array: pointer to array of elements to put into response message
  298. * @array_len: length of above array
  299. * @error: a pointer to an error to fill on failure
  300. * Returns: TRUE if the request succeeded, FALSE if it failed
  301. *
  302. * Generic getter for array type properties. Array elements type is
  303. * required to be basic.
  304. */
  305. dbus_bool_t wpas_dbus_simple_array_property_getter(DBusMessageIter *iter,
  306. const int type,
  307. const void *array,
  308. size_t array_len,
  309. DBusError *error)
  310. {
  311. DBusMessageIter variant_iter, array_iter;
  312. char type_str[] = "a?"; /* ? will be replaced with subtype letter; */
  313. const char *sub_type_str;
  314. size_t element_size, i;
  315. if (!dbus_type_is_basic(type)) {
  316. dbus_set_error(error, DBUS_ERROR_FAILED,
  317. "%s: given type is not basic", __func__);
  318. return FALSE;
  319. }
  320. sub_type_str = wpa_dbus_type_as_string(type);
  321. type_str[1] = sub_type_str[0];
  322. if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
  323. type_str, &variant_iter)) {
  324. dbus_set_error(error, DBUS_ERROR_FAILED,
  325. "%s: failed to construct message 1", __func__);
  326. return FALSE;
  327. }
  328. if (!dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
  329. sub_type_str, &array_iter)) {
  330. dbus_set_error(error, DBUS_ERROR_FAILED,
  331. "%s: failed to construct message 2", __func__);
  332. return FALSE;
  333. }
  334. switch(type) {
  335. case DBUS_TYPE_BYTE:
  336. case DBUS_TYPE_BOOLEAN:
  337. element_size = 1;
  338. break;
  339. case DBUS_TYPE_INT16:
  340. case DBUS_TYPE_UINT16:
  341. element_size = sizeof(uint16_t);
  342. break;
  343. case DBUS_TYPE_INT32:
  344. case DBUS_TYPE_UINT32:
  345. element_size = sizeof(uint32_t);
  346. break;
  347. case DBUS_TYPE_INT64:
  348. case DBUS_TYPE_UINT64:
  349. element_size = sizeof(uint64_t);
  350. break;
  351. case DBUS_TYPE_DOUBLE:
  352. element_size = sizeof(double);
  353. break;
  354. case DBUS_TYPE_STRING:
  355. case DBUS_TYPE_OBJECT_PATH:
  356. element_size = sizeof(char *);
  357. break;
  358. default:
  359. dbus_set_error(error, DBUS_ERROR_FAILED,
  360. "%s: unknown element type %d", __func__, type);
  361. return FALSE;
  362. }
  363. for (i = 0; i < array_len; i++) {
  364. dbus_message_iter_append_basic(&array_iter, type,
  365. array + i * element_size);
  366. }
  367. if (!dbus_message_iter_close_container(&variant_iter, &array_iter)) {
  368. dbus_set_error(error, DBUS_ERROR_FAILED,
  369. "%s: failed to construct message 3", __func__);
  370. return FALSE;
  371. }
  372. if (!dbus_message_iter_close_container(iter, &variant_iter)) {
  373. dbus_set_error(error, DBUS_ERROR_FAILED,
  374. "%s: failed to construct message 4", __func__);
  375. return FALSE;
  376. }
  377. return TRUE;
  378. }
  379. /**
  380. * wpas_dbus_simple_array_array_property_getter - Get array array type property
  381. * @iter: Pointer to incoming dbus message iterator
  382. * @type: DBus type of property array elements (must be basic type)
  383. * @array: pointer to array of elements to put into response message
  384. * @array_len: length of above array
  385. * @error: a pointer to an error to fill on failure
  386. * Returns: TRUE if the request succeeded, FALSE if it failed
  387. *
  388. * Generic getter for array type properties. Array elements type is
  389. * required to be basic.
  390. */
  391. dbus_bool_t wpas_dbus_simple_array_array_property_getter(DBusMessageIter *iter,
  392. const int type,
  393. struct wpabuf **array,
  394. size_t array_len,
  395. DBusError *error)
  396. {
  397. DBusMessageIter variant_iter, array_iter;
  398. char type_str[] = "aa?";
  399. char inner_type_str[] = "a?";
  400. const char *sub_type_str;
  401. size_t i;
  402. if (!dbus_type_is_basic(type)) {
  403. dbus_set_error(error, DBUS_ERROR_FAILED,
  404. "%s: given type is not basic", __func__);
  405. return FALSE;
  406. }
  407. sub_type_str = wpa_dbus_type_as_string(type);
  408. type_str[2] = sub_type_str[0];
  409. inner_type_str[1] = sub_type_str[0];
  410. if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
  411. type_str, &variant_iter)) {
  412. dbus_set_error(error, DBUS_ERROR_FAILED,
  413. "%s: failed to construct message 1", __func__);
  414. return FALSE;
  415. }
  416. if (!dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
  417. inner_type_str, &array_iter)) {
  418. dbus_set_error(error, DBUS_ERROR_FAILED,
  419. "%s: failed to construct message 2", __func__);
  420. return FALSE;
  421. }
  422. for (i = 0; i < array_len; i++) {
  423. wpa_dbus_dict_bin_array_add_element(&array_iter,
  424. wpabuf_head(array[i]),
  425. wpabuf_len(array[i]));
  426. }
  427. if (!dbus_message_iter_close_container(&variant_iter, &array_iter)) {
  428. dbus_set_error(error, DBUS_ERROR_FAILED,
  429. "%s: failed to close message 2", __func__);
  430. return FALSE;
  431. }
  432. if (!dbus_message_iter_close_container(iter, &variant_iter)) {
  433. dbus_set_error(error, DBUS_ERROR_FAILED,
  434. "%s: failed to close message 1", __func__);
  435. return FALSE;
  436. }
  437. return TRUE;
  438. }
  439. /**
  440. * wpas_dbus_handler_create_interface - Request registration of a network iface
  441. * @message: Pointer to incoming dbus message
  442. * @global: %wpa_supplicant global data structure
  443. * Returns: The object path of the new interface object,
  444. * or a dbus error message with more information
  445. *
  446. * Handler function for "CreateInterface" method call. Handles requests
  447. * by dbus clients to register a network interface that wpa_supplicant
  448. * will manage.
  449. */
  450. DBusMessage * wpas_dbus_handler_create_interface(DBusMessage *message,
  451. struct wpa_global *global)
  452. {
  453. DBusMessageIter iter_dict;
  454. DBusMessage *reply = NULL;
  455. DBusMessageIter iter;
  456. struct wpa_dbus_dict_entry entry;
  457. char *driver = NULL;
  458. char *ifname = NULL;
  459. char *confname = NULL;
  460. char *bridge_ifname = NULL;
  461. dbus_message_iter_init(message, &iter);
  462. if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
  463. goto error;
  464. while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
  465. if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
  466. goto error;
  467. if (!os_strcmp(entry.key, "Driver") &&
  468. (entry.type == DBUS_TYPE_STRING)) {
  469. driver = os_strdup(entry.str_value);
  470. wpa_dbus_dict_entry_clear(&entry);
  471. if (driver == NULL)
  472. goto error;
  473. } else if (!os_strcmp(entry.key, "Ifname") &&
  474. (entry.type == DBUS_TYPE_STRING)) {
  475. ifname = os_strdup(entry.str_value);
  476. wpa_dbus_dict_entry_clear(&entry);
  477. if (ifname == NULL)
  478. goto error;
  479. } else if (!os_strcmp(entry.key, "ConfigFile") &&
  480. (entry.type == DBUS_TYPE_STRING)) {
  481. confname = os_strdup(entry.str_value);
  482. wpa_dbus_dict_entry_clear(&entry);
  483. if (confname == NULL)
  484. goto error;
  485. } else if (!os_strcmp(entry.key, "BridgeIfname") &&
  486. (entry.type == DBUS_TYPE_STRING)) {
  487. bridge_ifname = os_strdup(entry.str_value);
  488. wpa_dbus_dict_entry_clear(&entry);
  489. if (bridge_ifname == NULL)
  490. goto error;
  491. } else {
  492. wpa_dbus_dict_entry_clear(&entry);
  493. goto error;
  494. }
  495. }
  496. if (ifname == NULL)
  497. goto error; /* Required Ifname argument missing */
  498. /*
  499. * Try to get the wpa_supplicant record for this iface, return
  500. * an error if we already control it.
  501. */
  502. if (wpa_supplicant_get_iface(global, ifname) != NULL) {
  503. reply = dbus_message_new_error(message,
  504. WPAS_DBUS_ERROR_IFACE_EXISTS,
  505. "wpa_supplicant already "
  506. "controls this interface.");
  507. } else {
  508. struct wpa_supplicant *wpa_s;
  509. struct wpa_interface iface;
  510. os_memset(&iface, 0, sizeof(iface));
  511. iface.driver = driver;
  512. iface.ifname = ifname;
  513. iface.confname = confname;
  514. iface.bridge_ifname = bridge_ifname;
  515. /* Otherwise, have wpa_supplicant attach to it. */
  516. if ((wpa_s = wpa_supplicant_add_iface(global, &iface))) {
  517. const char *path = wpa_s->dbus_new_path;
  518. reply = dbus_message_new_method_return(message);
  519. dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH,
  520. &path, DBUS_TYPE_INVALID);
  521. } else {
  522. reply = wpas_dbus_error_unknown_error(
  523. message, "wpa_supplicant couldn't grab this "
  524. "interface.");
  525. }
  526. }
  527. out:
  528. os_free(driver);
  529. os_free(ifname);
  530. os_free(confname);
  531. os_free(bridge_ifname);
  532. return reply;
  533. error:
  534. reply = wpas_dbus_error_invalid_args(message, NULL);
  535. goto out;
  536. }
  537. /**
  538. * wpas_dbus_handler_remove_interface - Request deregistration of an interface
  539. * @message: Pointer to incoming dbus message
  540. * @global: wpa_supplicant global data structure
  541. * Returns: a dbus message containing a UINT32 indicating success (1) or
  542. * failure (0), or returns a dbus error message with more information
  543. *
  544. * Handler function for "removeInterface" method call. Handles requests
  545. * by dbus clients to deregister a network interface that wpa_supplicant
  546. * currently manages.
  547. */
  548. DBusMessage * wpas_dbus_handler_remove_interface(DBusMessage *message,
  549. struct wpa_global *global)
  550. {
  551. struct wpa_supplicant *wpa_s;
  552. char *path;
  553. DBusMessage *reply = NULL;
  554. dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &path,
  555. DBUS_TYPE_INVALID);
  556. wpa_s = get_iface_by_dbus_path(global, path);
  557. if (wpa_s == NULL)
  558. reply = wpas_dbus_error_iface_unknown(message);
  559. else if (wpa_supplicant_remove_iface(global, wpa_s, 0)) {
  560. reply = wpas_dbus_error_unknown_error(
  561. message, "wpa_supplicant couldn't remove this "
  562. "interface.");
  563. }
  564. return reply;
  565. }
  566. /**
  567. * wpas_dbus_handler_get_interface - Get the object path for an interface name
  568. * @message: Pointer to incoming dbus message
  569. * @global: %wpa_supplicant global data structure
  570. * Returns: The object path of the interface object,
  571. * or a dbus error message with more information
  572. *
  573. * Handler function for "getInterface" method call.
  574. */
  575. DBusMessage * wpas_dbus_handler_get_interface(DBusMessage *message,
  576. struct wpa_global *global)
  577. {
  578. DBusMessage *reply = NULL;
  579. const char *ifname;
  580. const char *path;
  581. struct wpa_supplicant *wpa_s;
  582. dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &ifname,
  583. DBUS_TYPE_INVALID);
  584. wpa_s = wpa_supplicant_get_iface(global, ifname);
  585. if (wpa_s == NULL)
  586. return wpas_dbus_error_iface_unknown(message);
  587. path = wpa_s->dbus_new_path;
  588. reply = dbus_message_new_method_return(message);
  589. if (reply == NULL)
  590. return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
  591. NULL);
  592. if (!dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &path,
  593. DBUS_TYPE_INVALID)) {
  594. dbus_message_unref(reply);
  595. return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
  596. NULL);
  597. }
  598. return reply;
  599. }
  600. /**
  601. * wpas_dbus_getter_debug_level - Get debug level
  602. * @iter: Pointer to incoming dbus message iter
  603. * @error: Location to store error on failure
  604. * @user_data: Function specific data
  605. * Returns: TRUE on success, FALSE on failure
  606. *
  607. * Getter for "DebugLevel" property.
  608. */
  609. dbus_bool_t wpas_dbus_getter_debug_level(DBusMessageIter *iter,
  610. DBusError *error,
  611. void *user_data)
  612. {
  613. const char *str;
  614. int idx = wpa_debug_level;
  615. if (idx < 0)
  616. idx = 0;
  617. if (idx > 5)
  618. idx = 5;
  619. str = debug_strings[idx];
  620. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
  621. &str, error);
  622. }
  623. /**
  624. * wpas_dbus_getter_debug_timestamp - Get debug timestamp
  625. * @iter: Pointer to incoming dbus message iter
  626. * @error: Location to store error on failure
  627. * @user_data: Function specific data
  628. * Returns: TRUE on success, FALSE on failure
  629. *
  630. * Getter for "DebugTimestamp" property.
  631. */
  632. dbus_bool_t wpas_dbus_getter_debug_timestamp(DBusMessageIter *iter,
  633. DBusError *error,
  634. void *user_data)
  635. {
  636. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
  637. &wpa_debug_timestamp, error);
  638. }
  639. /**
  640. * wpas_dbus_getter_debug_show_keys - Get debug show keys
  641. * @iter: Pointer to incoming dbus message iter
  642. * @error: Location to store error on failure
  643. * @user_data: Function specific data
  644. * Returns: TRUE on success, FALSE on failure
  645. *
  646. * Getter for "DebugShowKeys" property.
  647. */
  648. dbus_bool_t wpas_dbus_getter_debug_show_keys(DBusMessageIter *iter,
  649. DBusError *error,
  650. void *user_data)
  651. {
  652. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
  653. &wpa_debug_show_keys, error);
  654. }
  655. /**
  656. * wpas_dbus_setter_debug_level - Set debug level
  657. * @iter: Pointer to incoming dbus message iter
  658. * @error: Location to store error on failure
  659. * @user_data: Function specific data
  660. * Returns: TRUE on success, FALSE on failure
  661. *
  662. * Setter for "DebugLevel" property.
  663. */
  664. dbus_bool_t wpas_dbus_setter_debug_level(DBusMessageIter *iter,
  665. DBusError *error, void *user_data)
  666. {
  667. struct wpa_global *global = user_data;
  668. const char *str = NULL;
  669. int i, val = -1;
  670. if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_STRING,
  671. &str))
  672. return FALSE;
  673. for (i = 0; debug_strings[i]; i++)
  674. if (os_strcmp(debug_strings[i], str) == 0) {
  675. val = i;
  676. break;
  677. }
  678. if (val < 0 ||
  679. wpa_supplicant_set_debug_params(global, val, wpa_debug_timestamp,
  680. wpa_debug_show_keys)) {
  681. dbus_set_error_const(error, DBUS_ERROR_FAILED, "wrong debug "
  682. "level value");
  683. return FALSE;
  684. }
  685. return TRUE;
  686. }
  687. /**
  688. * wpas_dbus_setter_debug_timestamp - Set debug timestamp
  689. * @iter: Pointer to incoming dbus message iter
  690. * @error: Location to store error on failure
  691. * @user_data: Function specific data
  692. * Returns: TRUE on success, FALSE on failure
  693. *
  694. * Setter for "DebugTimestamp" property.
  695. */
  696. dbus_bool_t wpas_dbus_setter_debug_timestamp(DBusMessageIter *iter,
  697. DBusError *error,
  698. void *user_data)
  699. {
  700. struct wpa_global *global = user_data;
  701. dbus_bool_t val;
  702. if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
  703. &val))
  704. return FALSE;
  705. wpa_supplicant_set_debug_params(global, wpa_debug_level, val ? 1 : 0,
  706. wpa_debug_show_keys);
  707. return TRUE;
  708. }
  709. /**
  710. * wpas_dbus_setter_debug_show_keys - Set debug show keys
  711. * @iter: Pointer to incoming dbus message iter
  712. * @error: Location to store error on failure
  713. * @user_data: Function specific data
  714. * Returns: TRUE on success, FALSE on failure
  715. *
  716. * Setter for "DebugShowKeys" property.
  717. */
  718. dbus_bool_t wpas_dbus_setter_debug_show_keys(DBusMessageIter *iter,
  719. DBusError *error,
  720. void *user_data)
  721. {
  722. struct wpa_global *global = user_data;
  723. dbus_bool_t val;
  724. if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
  725. &val))
  726. return FALSE;
  727. wpa_supplicant_set_debug_params(global, wpa_debug_level,
  728. wpa_debug_timestamp,
  729. val ? 1 : 0);
  730. return TRUE;
  731. }
  732. /**
  733. * wpas_dbus_getter_interfaces - Request registered interfaces list
  734. * @iter: Pointer to incoming dbus message iter
  735. * @error: Location to store error on failure
  736. * @user_data: Function specific data
  737. * Returns: TRUE on success, FALSE on failure
  738. *
  739. * Getter for "Interfaces" property. Handles requests
  740. * by dbus clients to return list of registered interfaces objects
  741. * paths
  742. */
  743. dbus_bool_t wpas_dbus_getter_interfaces(DBusMessageIter *iter,
  744. DBusError *error,
  745. void *user_data)
  746. {
  747. struct wpa_global *global = user_data;
  748. struct wpa_supplicant *wpa_s;
  749. const char **paths;
  750. unsigned int i = 0, num = 0;
  751. dbus_bool_t success;
  752. for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
  753. num++;
  754. paths = os_calloc(num, sizeof(char *));
  755. if (!paths) {
  756. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
  757. return FALSE;
  758. }
  759. for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
  760. paths[i++] = wpa_s->dbus_new_path;
  761. success = wpas_dbus_simple_array_property_getter(iter,
  762. DBUS_TYPE_OBJECT_PATH,
  763. paths, num, error);
  764. os_free(paths);
  765. return success;
  766. }
  767. /**
  768. * wpas_dbus_getter_eap_methods - Request supported EAP methods list
  769. * @iter: Pointer to incoming dbus message iter
  770. * @error: Location to store error on failure
  771. * @user_data: Function specific data
  772. * Returns: TRUE on success, FALSE on failure
  773. *
  774. * Getter for "EapMethods" property. Handles requests
  775. * by dbus clients to return list of strings with supported EAP methods
  776. */
  777. dbus_bool_t wpas_dbus_getter_eap_methods(DBusMessageIter *iter,
  778. DBusError *error, void *user_data)
  779. {
  780. char **eap_methods;
  781. size_t num_items = 0;
  782. dbus_bool_t success;
  783. eap_methods = eap_get_names_as_string_array(&num_items);
  784. if (!eap_methods) {
  785. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
  786. return FALSE;
  787. }
  788. success = wpas_dbus_simple_array_property_getter(iter,
  789. DBUS_TYPE_STRING,
  790. eap_methods,
  791. num_items, error);
  792. while (num_items)
  793. os_free(eap_methods[--num_items]);
  794. os_free(eap_methods);
  795. return success;
  796. }
  797. /**
  798. * wpas_dbus_getter_global_capabilities - Request supported global capabilities
  799. * @iter: Pointer to incoming dbus message iter
  800. * @error: Location to store error on failure
  801. * @user_data: Function specific data
  802. * Returns: TRUE on success, FALSE on failure
  803. *
  804. * Getter for "Capabilities" property. Handles requests by dbus clients to
  805. * return a list of strings with supported capabilities like AP, RSN IBSS,
  806. * and P2P that are determined at compile time.
  807. */
  808. dbus_bool_t wpas_dbus_getter_global_capabilities(DBusMessageIter *iter,
  809. DBusError *error,
  810. void *user_data)
  811. {
  812. const char *capabilities[5] = { NULL, NULL, NULL, NULL, NULL };
  813. size_t num_items = 0;
  814. #ifdef CONFIG_AP
  815. capabilities[num_items++] = "ap";
  816. #endif /* CONFIG_AP */
  817. #ifdef CONFIG_IBSS_RSN
  818. capabilities[num_items++] = "ibss-rsn";
  819. #endif /* CONFIG_IBSS_RSN */
  820. #ifdef CONFIG_P2P
  821. capabilities[num_items++] = "p2p";
  822. #endif /* CONFIG_P2P */
  823. #ifdef CONFIG_INTERWORKING
  824. capabilities[num_items++] = "interworking";
  825. #endif /* CONFIG_INTERWORKING */
  826. return wpas_dbus_simple_array_property_getter(iter,
  827. DBUS_TYPE_STRING,
  828. capabilities,
  829. num_items, error);
  830. }
  831. static int wpas_dbus_get_scan_type(DBusMessage *message, DBusMessageIter *var,
  832. char **type, DBusMessage **reply)
  833. {
  834. if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_STRING) {
  835. wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
  836. "Type must be a string");
  837. *reply = wpas_dbus_error_invalid_args(
  838. message, "Wrong Type value type. String required");
  839. return -1;
  840. }
  841. dbus_message_iter_get_basic(var, type);
  842. return 0;
  843. }
  844. static int wpas_dbus_get_scan_ssids(DBusMessage *message, DBusMessageIter *var,
  845. struct wpa_driver_scan_params *params,
  846. DBusMessage **reply)
  847. {
  848. struct wpa_driver_scan_ssid *ssids = params->ssids;
  849. size_t ssids_num = 0;
  850. u8 *ssid;
  851. DBusMessageIter array_iter, sub_array_iter;
  852. char *val;
  853. int len;
  854. if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) {
  855. wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: ssids "
  856. "must be an array of arrays of bytes");
  857. *reply = wpas_dbus_error_invalid_args(
  858. message, "Wrong SSIDs value type. Array of arrays of "
  859. "bytes required");
  860. return -1;
  861. }
  862. dbus_message_iter_recurse(var, &array_iter);
  863. if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_ARRAY ||
  864. dbus_message_iter_get_element_type(&array_iter) != DBUS_TYPE_BYTE)
  865. {
  866. wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: ssids "
  867. "must be an array of arrays of bytes");
  868. *reply = wpas_dbus_error_invalid_args(
  869. message, "Wrong SSIDs value type. Array of arrays of "
  870. "bytes required");
  871. return -1;
  872. }
  873. while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_ARRAY)
  874. {
  875. if (ssids_num >= WPAS_MAX_SCAN_SSIDS) {
  876. wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
  877. "Too many ssids specified on scan dbus "
  878. "call");
  879. *reply = wpas_dbus_error_invalid_args(
  880. message, "Too many ssids specified. Specify "
  881. "at most four");
  882. return -1;
  883. }
  884. dbus_message_iter_recurse(&array_iter, &sub_array_iter);
  885. dbus_message_iter_get_fixed_array(&sub_array_iter, &val, &len);
  886. if (len > MAX_SSID_LEN) {
  887. wpa_printf(MSG_DEBUG,
  888. "wpas_dbus_handler_scan[dbus]: "
  889. "SSID too long (len=%d max_len=%d)",
  890. len, MAX_SSID_LEN);
  891. *reply = wpas_dbus_error_invalid_args(
  892. message, "Invalid SSID: too long");
  893. return -1;
  894. }
  895. if (len != 0) {
  896. ssid = os_malloc(len);
  897. if (ssid == NULL) {
  898. wpa_printf(MSG_DEBUG,
  899. "wpas_dbus_handler_scan[dbus]: "
  900. "out of memory. Cannot allocate "
  901. "memory for SSID");
  902. *reply = dbus_message_new_error(
  903. message, DBUS_ERROR_NO_MEMORY, NULL);
  904. return -1;
  905. }
  906. os_memcpy(ssid, val, len);
  907. } else {
  908. /* Allow zero-length SSIDs */
  909. ssid = NULL;
  910. }
  911. ssids[ssids_num].ssid = ssid;
  912. ssids[ssids_num].ssid_len = len;
  913. dbus_message_iter_next(&array_iter);
  914. ssids_num++;
  915. }
  916. params->num_ssids = ssids_num;
  917. return 0;
  918. }
  919. static int wpas_dbus_get_scan_ies(DBusMessage *message, DBusMessageIter *var,
  920. struct wpa_driver_scan_params *params,
  921. DBusMessage **reply)
  922. {
  923. u8 *ies = NULL, *nies;
  924. int ies_len = 0;
  925. DBusMessageIter array_iter, sub_array_iter;
  926. char *val;
  927. int len;
  928. if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) {
  929. wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: ies must "
  930. "be an array of arrays of bytes");
  931. *reply = wpas_dbus_error_invalid_args(
  932. message, "Wrong IEs value type. Array of arrays of "
  933. "bytes required");
  934. return -1;
  935. }
  936. dbus_message_iter_recurse(var, &array_iter);
  937. if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_ARRAY ||
  938. dbus_message_iter_get_element_type(&array_iter) != DBUS_TYPE_BYTE)
  939. {
  940. wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: ies must "
  941. "be an array of arrays of bytes");
  942. *reply = wpas_dbus_error_invalid_args(
  943. message, "Wrong IEs value type. Array required");
  944. return -1;
  945. }
  946. while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_ARRAY)
  947. {
  948. dbus_message_iter_recurse(&array_iter, &sub_array_iter);
  949. dbus_message_iter_get_fixed_array(&sub_array_iter, &val, &len);
  950. if (len == 0) {
  951. dbus_message_iter_next(&array_iter);
  952. continue;
  953. }
  954. nies = os_realloc(ies, ies_len + len);
  955. if (nies == NULL) {
  956. wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
  957. "out of memory. Cannot allocate memory for "
  958. "IE");
  959. os_free(ies);
  960. *reply = dbus_message_new_error(
  961. message, DBUS_ERROR_NO_MEMORY, NULL);
  962. return -1;
  963. }
  964. ies = nies;
  965. os_memcpy(ies + ies_len, val, len);
  966. ies_len += len;
  967. dbus_message_iter_next(&array_iter);
  968. }
  969. params->extra_ies = ies;
  970. params->extra_ies_len = ies_len;
  971. return 0;
  972. }
  973. static int wpas_dbus_get_scan_channels(DBusMessage *message,
  974. DBusMessageIter *var,
  975. struct wpa_driver_scan_params *params,
  976. DBusMessage **reply)
  977. {
  978. DBusMessageIter array_iter, sub_array_iter;
  979. int *freqs = NULL, *nfreqs;
  980. int freqs_num = 0;
  981. if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) {
  982. wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
  983. "Channels must be an array of structs");
  984. *reply = wpas_dbus_error_invalid_args(
  985. message, "Wrong Channels value type. Array of structs "
  986. "required");
  987. return -1;
  988. }
  989. dbus_message_iter_recurse(var, &array_iter);
  990. if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_STRUCT) {
  991. wpa_printf(MSG_DEBUG,
  992. "wpas_dbus_handler_scan[dbus]: Channels must be an "
  993. "array of structs");
  994. *reply = wpas_dbus_error_invalid_args(
  995. message, "Wrong Channels value type. Array of structs "
  996. "required");
  997. return -1;
  998. }
  999. while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_STRUCT)
  1000. {
  1001. int freq, width;
  1002. dbus_message_iter_recurse(&array_iter, &sub_array_iter);
  1003. if (dbus_message_iter_get_arg_type(&sub_array_iter) !=
  1004. DBUS_TYPE_UINT32) {
  1005. wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
  1006. "Channel must by specified by struct of "
  1007. "two UINT32s %c",
  1008. dbus_message_iter_get_arg_type(
  1009. &sub_array_iter));
  1010. *reply = wpas_dbus_error_invalid_args(
  1011. message, "Wrong Channel struct. Two UINT32s "
  1012. "required");
  1013. os_free(freqs);
  1014. return -1;
  1015. }
  1016. dbus_message_iter_get_basic(&sub_array_iter, &freq);
  1017. if (!dbus_message_iter_next(&sub_array_iter) ||
  1018. dbus_message_iter_get_arg_type(&sub_array_iter) !=
  1019. DBUS_TYPE_UINT32) {
  1020. wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
  1021. "Channel must by specified by struct of "
  1022. "two UINT32s");
  1023. *reply = wpas_dbus_error_invalid_args(
  1024. message,
  1025. "Wrong Channel struct. Two UINT32s required");
  1026. os_free(freqs);
  1027. return -1;
  1028. }
  1029. dbus_message_iter_get_basic(&sub_array_iter, &width);
  1030. #define FREQS_ALLOC_CHUNK 32
  1031. if (freqs_num % FREQS_ALLOC_CHUNK == 0) {
  1032. nfreqs = os_realloc_array(
  1033. freqs, freqs_num + FREQS_ALLOC_CHUNK,
  1034. sizeof(int));
  1035. if (nfreqs == NULL)
  1036. os_free(freqs);
  1037. freqs = nfreqs;
  1038. }
  1039. if (freqs == NULL) {
  1040. wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
  1041. "out of memory. can't allocate memory for "
  1042. "freqs");
  1043. *reply = dbus_message_new_error(
  1044. message, DBUS_ERROR_NO_MEMORY, NULL);
  1045. return -1;
  1046. }
  1047. freqs[freqs_num] = freq;
  1048. freqs_num++;
  1049. dbus_message_iter_next(&array_iter);
  1050. }
  1051. nfreqs = os_realloc_array(freqs, freqs_num + 1, sizeof(int));
  1052. if (nfreqs == NULL)
  1053. os_free(freqs);
  1054. freqs = nfreqs;
  1055. if (freqs == NULL) {
  1056. wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
  1057. "out of memory. Can't allocate memory for freqs");
  1058. *reply = dbus_message_new_error(
  1059. message, DBUS_ERROR_NO_MEMORY, NULL);
  1060. return -1;
  1061. }
  1062. freqs[freqs_num] = 0;
  1063. params->freqs = freqs;
  1064. return 0;
  1065. }
  1066. static int wpas_dbus_get_scan_allow_roam(DBusMessage *message,
  1067. DBusMessageIter *var,
  1068. dbus_bool_t *allow,
  1069. DBusMessage **reply)
  1070. {
  1071. if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_BOOLEAN) {
  1072. wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
  1073. "Type must be a boolean");
  1074. *reply = wpas_dbus_error_invalid_args(
  1075. message, "Wrong Type value type. Boolean required");
  1076. return -1;
  1077. }
  1078. dbus_message_iter_get_basic(var, allow);
  1079. return 0;
  1080. }
  1081. /**
  1082. * wpas_dbus_handler_scan - Request a wireless scan on an interface
  1083. * @message: Pointer to incoming dbus message
  1084. * @wpa_s: wpa_supplicant structure for a network interface
  1085. * Returns: NULL indicating success or DBus error message on failure
  1086. *
  1087. * Handler function for "Scan" method call of a network device. Requests
  1088. * that wpa_supplicant perform a wireless scan as soon as possible
  1089. * on a particular wireless interface.
  1090. */
  1091. DBusMessage * wpas_dbus_handler_scan(DBusMessage *message,
  1092. struct wpa_supplicant *wpa_s)
  1093. {
  1094. DBusMessage *reply = NULL;
  1095. DBusMessageIter iter, dict_iter, entry_iter, variant_iter;
  1096. char *key = NULL, *type = NULL;
  1097. struct wpa_driver_scan_params params;
  1098. size_t i;
  1099. dbus_bool_t allow_roam = 1;
  1100. os_memset(&params, 0, sizeof(params));
  1101. dbus_message_iter_init(message, &iter);
  1102. dbus_message_iter_recurse(&iter, &dict_iter);
  1103. while (dbus_message_iter_get_arg_type(&dict_iter) ==
  1104. DBUS_TYPE_DICT_ENTRY) {
  1105. dbus_message_iter_recurse(&dict_iter, &entry_iter);
  1106. dbus_message_iter_get_basic(&entry_iter, &key);
  1107. dbus_message_iter_next(&entry_iter);
  1108. dbus_message_iter_recurse(&entry_iter, &variant_iter);
  1109. if (os_strcmp(key, "Type") == 0) {
  1110. if (wpas_dbus_get_scan_type(message, &variant_iter,
  1111. &type, &reply) < 0)
  1112. goto out;
  1113. } else if (os_strcmp(key, "SSIDs") == 0) {
  1114. if (wpas_dbus_get_scan_ssids(message, &variant_iter,
  1115. &params, &reply) < 0)
  1116. goto out;
  1117. } else if (os_strcmp(key, "IEs") == 0) {
  1118. if (wpas_dbus_get_scan_ies(message, &variant_iter,
  1119. &params, &reply) < 0)
  1120. goto out;
  1121. } else if (os_strcmp(key, "Channels") == 0) {
  1122. if (wpas_dbus_get_scan_channels(message, &variant_iter,
  1123. &params, &reply) < 0)
  1124. goto out;
  1125. } else if (os_strcmp(key, "AllowRoam") == 0) {
  1126. if (wpas_dbus_get_scan_allow_roam(message,
  1127. &variant_iter,
  1128. &allow_roam,
  1129. &reply) < 0)
  1130. goto out;
  1131. } else {
  1132. wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
  1133. "Unknown argument %s", key);
  1134. reply = wpas_dbus_error_invalid_args(message, key);
  1135. goto out;
  1136. }
  1137. dbus_message_iter_next(&dict_iter);
  1138. }
  1139. if (!type) {
  1140. wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
  1141. "Scan type not specified");
  1142. reply = wpas_dbus_error_invalid_args(message, key);
  1143. goto out;
  1144. }
  1145. if (!os_strcmp(type, "passive")) {
  1146. if (params.num_ssids || params.extra_ies_len) {
  1147. wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
  1148. "SSIDs or IEs specified for passive scan.");
  1149. reply = wpas_dbus_error_invalid_args(
  1150. message, "You can specify only Channels in "
  1151. "passive scan");
  1152. goto out;
  1153. } else if (params.freqs && params.freqs[0]) {
  1154. wpa_supplicant_trigger_scan(wpa_s, &params);
  1155. } else {
  1156. wpa_s->scan_req = MANUAL_SCAN_REQ;
  1157. wpa_supplicant_req_scan(wpa_s, 0, 0);
  1158. }
  1159. } else if (!os_strcmp(type, "active")) {
  1160. if (!params.num_ssids) {
  1161. /* Add wildcard ssid */
  1162. params.num_ssids++;
  1163. }
  1164. #ifdef CONFIG_AUTOSCAN
  1165. autoscan_deinit(wpa_s);
  1166. #endif /* CONFIG_AUTOSCAN */
  1167. wpa_supplicant_trigger_scan(wpa_s, &params);
  1168. } else {
  1169. wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
  1170. "Unknown scan type: %s", type);
  1171. reply = wpas_dbus_error_invalid_args(message,
  1172. "Wrong scan type");
  1173. goto out;
  1174. }
  1175. if (!allow_roam)
  1176. wpa_s->scan_res_handler = scan_only_handler;
  1177. out:
  1178. for (i = 0; i < WPAS_MAX_SCAN_SSIDS; i++)
  1179. os_free((u8 *) params.ssids[i].ssid);
  1180. os_free((u8 *) params.extra_ies);
  1181. os_free(params.freqs);
  1182. return reply;
  1183. }
  1184. /*
  1185. * wpas_dbus_handler_disconnect - Terminate the current connection
  1186. * @message: Pointer to incoming dbus message
  1187. * @wpa_s: wpa_supplicant structure for a network interface
  1188. * Returns: NotConnected DBus error message if already not connected
  1189. * or NULL otherwise.
  1190. *
  1191. * Handler function for "Disconnect" method call of network interface.
  1192. */
  1193. DBusMessage * wpas_dbus_handler_disconnect(DBusMessage *message,
  1194. struct wpa_supplicant *wpa_s)
  1195. {
  1196. if (wpa_s->current_ssid != NULL) {
  1197. wpa_s->disconnected = 1;
  1198. wpa_supplicant_deauthenticate(wpa_s,
  1199. WLAN_REASON_DEAUTH_LEAVING);
  1200. return NULL;
  1201. }
  1202. return dbus_message_new_error(message, WPAS_DBUS_ERROR_NOT_CONNECTED,
  1203. "This interface is not connected");
  1204. }
  1205. /**
  1206. * wpas_dbus_new_iface_add_network - Add a new configured network
  1207. * @message: Pointer to incoming dbus message
  1208. * @wpa_s: wpa_supplicant structure for a network interface
  1209. * Returns: A dbus message containing the object path of the new network
  1210. *
  1211. * Handler function for "AddNetwork" method call of a network interface.
  1212. */
  1213. DBusMessage * wpas_dbus_handler_add_network(DBusMessage *message,
  1214. struct wpa_supplicant *wpa_s)
  1215. {
  1216. DBusMessage *reply = NULL;
  1217. DBusMessageIter iter;
  1218. struct wpa_ssid *ssid = NULL;
  1219. char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *path = path_buf;
  1220. DBusError error;
  1221. dbus_message_iter_init(message, &iter);
  1222. ssid = wpa_config_add_network(wpa_s->conf);
  1223. if (ssid == NULL) {
  1224. wpa_printf(MSG_ERROR, "wpas_dbus_handler_add_network[dbus]: "
  1225. "can't add new interface.");
  1226. reply = wpas_dbus_error_unknown_error(
  1227. message,
  1228. "wpa_supplicant could not add "
  1229. "a network on this interface.");
  1230. goto err;
  1231. }
  1232. wpas_notify_network_added(wpa_s, ssid);
  1233. ssid->disabled = 1;
  1234. wpa_config_set_network_defaults(ssid);
  1235. dbus_error_init(&error);
  1236. if (!set_network_properties(wpa_s, ssid, &iter, &error)) {
  1237. wpa_printf(MSG_DEBUG, "wpas_dbus_handler_add_network[dbus]:"
  1238. "control interface couldn't set network "
  1239. "properties");
  1240. reply = wpas_dbus_reply_new_from_error(message, &error,
  1241. DBUS_ERROR_INVALID_ARGS,
  1242. "Failed to add network");
  1243. dbus_error_free(&error);
  1244. goto err;
  1245. }
  1246. /* Construct the object path for this network. */
  1247. os_snprintf(path, WPAS_DBUS_OBJECT_PATH_MAX,
  1248. "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%d",
  1249. wpa_s->dbus_new_path, ssid->id);
  1250. reply = dbus_message_new_method_return(message);
  1251. if (reply == NULL) {
  1252. reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
  1253. NULL);
  1254. goto err;
  1255. }
  1256. if (!dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &path,
  1257. DBUS_TYPE_INVALID)) {
  1258. dbus_message_unref(reply);
  1259. reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
  1260. NULL);
  1261. goto err;
  1262. }
  1263. return reply;
  1264. err:
  1265. if (ssid) {
  1266. wpas_notify_network_removed(wpa_s, ssid);
  1267. wpa_config_remove_network(wpa_s->conf, ssid->id);
  1268. }
  1269. return reply;
  1270. }
  1271. /**
  1272. * wpas_dbus_handler_reassociate - Reassociate to current AP
  1273. * @message: Pointer to incoming dbus message
  1274. * @wpa_s: wpa_supplicant structure for a network interface
  1275. * Returns: NotConnected DBus error message if not connected
  1276. * or NULL otherwise.
  1277. *
  1278. * Handler function for "Reassociate" method call of network interface.
  1279. */
  1280. DBusMessage * wpas_dbus_handler_reassociate(DBusMessage *message,
  1281. struct wpa_supplicant *wpa_s)
  1282. {
  1283. if (wpa_s->current_ssid != NULL) {
  1284. wpas_request_connection(wpa_s);
  1285. return NULL;
  1286. }
  1287. return dbus_message_new_error(message, WPAS_DBUS_ERROR_NOT_CONNECTED,
  1288. "This interface is not connected");
  1289. }
  1290. /**
  1291. * wpas_dbus_handler_remove_network - Remove a configured network
  1292. * @message: Pointer to incoming dbus message
  1293. * @wpa_s: wpa_supplicant structure for a network interface
  1294. * Returns: NULL on success or dbus error on failure
  1295. *
  1296. * Handler function for "RemoveNetwork" method call of a network interface.
  1297. */
  1298. DBusMessage * wpas_dbus_handler_remove_network(DBusMessage *message,
  1299. struct wpa_supplicant *wpa_s)
  1300. {
  1301. DBusMessage *reply = NULL;
  1302. const char *op;
  1303. char *iface = NULL, *net_id = NULL;
  1304. int id;
  1305. struct wpa_ssid *ssid;
  1306. int was_disabled;
  1307. dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &op,
  1308. DBUS_TYPE_INVALID);
  1309. /* Extract the network ID and ensure the network */
  1310. /* is actually a child of this interface */
  1311. iface = wpas_dbus_new_decompose_object_path(op, 0, &net_id, NULL);
  1312. if (iface == NULL || net_id == NULL ||
  1313. os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
  1314. reply = wpas_dbus_error_invalid_args(message, op);
  1315. goto out;
  1316. }
  1317. errno = 0;
  1318. id = strtoul(net_id, NULL, 10);
  1319. if (errno != 0) {
  1320. reply = wpas_dbus_error_invalid_args(message, op);
  1321. goto out;
  1322. }
  1323. ssid = wpa_config_get_network(wpa_s->conf, id);
  1324. if (ssid == NULL) {
  1325. reply = wpas_dbus_error_network_unknown(message);
  1326. goto out;
  1327. }
  1328. was_disabled = ssid->disabled;
  1329. wpas_notify_network_removed(wpa_s, ssid);
  1330. if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
  1331. wpa_printf(MSG_ERROR,
  1332. "wpas_dbus_handler_remove_network[dbus]: "
  1333. "error occurred when removing network %d", id);
  1334. reply = wpas_dbus_error_unknown_error(
  1335. message, "error removing the specified network on "
  1336. "this interface.");
  1337. goto out;
  1338. }
  1339. if (ssid == wpa_s->current_ssid)
  1340. wpa_supplicant_deauthenticate(wpa_s,
  1341. WLAN_REASON_DEAUTH_LEAVING);
  1342. else if (!was_disabled && wpa_s->sched_scanning) {
  1343. wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
  1344. "network from filters");
  1345. wpa_supplicant_cancel_sched_scan(wpa_s);
  1346. wpa_supplicant_req_scan(wpa_s, 0, 0);
  1347. }
  1348. out:
  1349. os_free(iface);
  1350. os_free(net_id);
  1351. return reply;
  1352. }
  1353. static void remove_network(void *arg, struct wpa_ssid *ssid)
  1354. {
  1355. struct wpa_supplicant *wpa_s = arg;
  1356. wpas_notify_network_removed(wpa_s, ssid);
  1357. if (wpa_config_remove_network(wpa_s->conf, ssid->id) < 0) {
  1358. wpa_printf(MSG_ERROR,
  1359. "wpas_dbus_handler_remove_all_networks[dbus]: "
  1360. "error occurred when removing network %d",
  1361. ssid->id);
  1362. return;
  1363. }
  1364. if (ssid == wpa_s->current_ssid)
  1365. wpa_supplicant_deauthenticate(wpa_s,
  1366. WLAN_REASON_DEAUTH_LEAVING);
  1367. }
  1368. /**
  1369. * wpas_dbus_handler_remove_all_networks - Remove all configured networks
  1370. * @message: Pointer to incoming dbus message
  1371. * @wpa_s: wpa_supplicant structure for a network interface
  1372. * Returns: NULL on success or dbus error on failure
  1373. *
  1374. * Handler function for "RemoveAllNetworks" method call of a network interface.
  1375. */
  1376. DBusMessage * wpas_dbus_handler_remove_all_networks(
  1377. DBusMessage *message, struct wpa_supplicant *wpa_s)
  1378. {
  1379. if (wpa_s->sched_scanning)
  1380. wpa_supplicant_cancel_sched_scan(wpa_s);
  1381. /* NB: could check for failure and return an error */
  1382. wpa_config_foreach_network(wpa_s->conf, remove_network, wpa_s);
  1383. return NULL;
  1384. }
  1385. /**
  1386. * wpas_dbus_handler_select_network - Attempt association with a network
  1387. * @message: Pointer to incoming dbus message
  1388. * @wpa_s: wpa_supplicant structure for a network interface
  1389. * Returns: NULL on success or dbus error on failure
  1390. *
  1391. * Handler function for "SelectNetwork" method call of network interface.
  1392. */
  1393. DBusMessage * wpas_dbus_handler_select_network(DBusMessage *message,
  1394. struct wpa_supplicant *wpa_s)
  1395. {
  1396. DBusMessage *reply = NULL;
  1397. const char *op;
  1398. char *iface = NULL, *net_id = NULL;
  1399. int id;
  1400. struct wpa_ssid *ssid;
  1401. dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &op,
  1402. DBUS_TYPE_INVALID);
  1403. /* Extract the network ID and ensure the network */
  1404. /* is actually a child of this interface */
  1405. iface = wpas_dbus_new_decompose_object_path(op, 0, &net_id, NULL);
  1406. if (iface == NULL || net_id == NULL ||
  1407. os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
  1408. reply = wpas_dbus_error_invalid_args(message, op);
  1409. goto out;
  1410. }
  1411. errno = 0;
  1412. id = strtoul(net_id, NULL, 10);
  1413. if (errno != 0) {
  1414. reply = wpas_dbus_error_invalid_args(message, op);
  1415. goto out;
  1416. }
  1417. ssid = wpa_config_get_network(wpa_s->conf, id);
  1418. if (ssid == NULL) {
  1419. reply = wpas_dbus_error_network_unknown(message);
  1420. goto out;
  1421. }
  1422. /* Finally, associate with the network */
  1423. wpa_supplicant_select_network(wpa_s, ssid);
  1424. out:
  1425. os_free(iface);
  1426. os_free(net_id);
  1427. return reply;
  1428. }
  1429. /**
  1430. * wpas_dbus_handler_network_reply - Reply to a NetworkRequest signal
  1431. * @message: Pointer to incoming dbus message
  1432. * @wpa_s: wpa_supplicant structure for a network interface
  1433. * Returns: NULL on success or dbus error on failure
  1434. *
  1435. * Handler function for "NetworkReply" method call of network interface.
  1436. */
  1437. DBusMessage * wpas_dbus_handler_network_reply(DBusMessage *message,
  1438. struct wpa_supplicant *wpa_s)
  1439. {
  1440. #ifdef IEEE8021X_EAPOL
  1441. DBusMessage *reply = NULL;
  1442. const char *op, *field, *value;
  1443. char *iface = NULL, *net_id = NULL;
  1444. int id;
  1445. struct wpa_ssid *ssid;
  1446. if (!dbus_message_get_args(message, NULL,
  1447. DBUS_TYPE_OBJECT_PATH, &op,
  1448. DBUS_TYPE_STRING, &field,
  1449. DBUS_TYPE_STRING, &value,
  1450. DBUS_TYPE_INVALID))
  1451. return wpas_dbus_error_invalid_args(message, NULL);
  1452. /* Extract the network ID and ensure the network */
  1453. /* is actually a child of this interface */
  1454. iface = wpas_dbus_new_decompose_object_path(op, 0, &net_id, NULL);
  1455. if (iface == NULL || net_id == NULL ||
  1456. os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
  1457. reply = wpas_dbus_error_invalid_args(message, op);
  1458. goto out;
  1459. }
  1460. errno = 0;
  1461. id = strtoul(net_id, NULL, 10);
  1462. if (errno != 0) {
  1463. reply = wpas_dbus_error_invalid_args(message, net_id);
  1464. goto out;
  1465. }
  1466. ssid = wpa_config_get_network(wpa_s->conf, id);
  1467. if (ssid == NULL) {
  1468. reply = wpas_dbus_error_network_unknown(message);
  1469. goto out;
  1470. }
  1471. if (wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid,
  1472. field, value) < 0)
  1473. reply = wpas_dbus_error_invalid_args(message, field);
  1474. else {
  1475. /* Tell EAP to retry immediately */
  1476. eapol_sm_notify_ctrl_response(wpa_s->eapol);
  1477. }
  1478. out:
  1479. os_free(iface);
  1480. os_free(net_id);
  1481. return reply;
  1482. #else /* IEEE8021X_EAPOL */
  1483. wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
  1484. return wpas_dbus_error_unknown_error(message, "802.1X not included");
  1485. #endif /* IEEE8021X_EAPOL */
  1486. }
  1487. #ifndef CONFIG_NO_CONFIG_BLOBS
  1488. /**
  1489. * wpas_dbus_handler_add_blob - Store named binary blob (ie, for certificates)
  1490. * @message: Pointer to incoming dbus message
  1491. * @wpa_s: %wpa_supplicant data structure
  1492. * Returns: A dbus message containing an error on failure or NULL on success
  1493. *
  1494. * Asks wpa_supplicant to internally store a binary blobs.
  1495. */
  1496. DBusMessage * wpas_dbus_handler_add_blob(DBusMessage *message,
  1497. struct wpa_supplicant *wpa_s)
  1498. {
  1499. DBusMessage *reply = NULL;
  1500. DBusMessageIter iter, array_iter;
  1501. char *blob_name;
  1502. u8 *blob_data;
  1503. int blob_len;
  1504. struct wpa_config_blob *blob = NULL;
  1505. dbus_message_iter_init(message, &iter);
  1506. dbus_message_iter_get_basic(&iter, &blob_name);
  1507. if (wpa_config_get_blob(wpa_s->conf, blob_name)) {
  1508. return dbus_message_new_error(message,
  1509. WPAS_DBUS_ERROR_BLOB_EXISTS,
  1510. NULL);
  1511. }
  1512. dbus_message_iter_next(&iter);
  1513. dbus_message_iter_recurse(&iter, &array_iter);
  1514. dbus_message_iter_get_fixed_array(&array_iter, &blob_data, &blob_len);
  1515. blob = os_zalloc(sizeof(*blob));
  1516. if (!blob) {
  1517. reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
  1518. NULL);
  1519. goto err;
  1520. }
  1521. blob->data = os_malloc(blob_len);
  1522. if (!blob->data) {
  1523. reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
  1524. NULL);
  1525. goto err;
  1526. }
  1527. os_memcpy(blob->data, blob_data, blob_len);
  1528. blob->len = blob_len;
  1529. blob->name = os_strdup(blob_name);
  1530. if (!blob->name) {
  1531. reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
  1532. NULL);
  1533. goto err;
  1534. }
  1535. wpa_config_set_blob(wpa_s->conf, blob);
  1536. wpas_notify_blob_added(wpa_s, blob->name);
  1537. return reply;
  1538. err:
  1539. if (blob) {
  1540. os_free(blob->name);
  1541. os_free(blob->data);
  1542. os_free(blob);
  1543. }
  1544. return reply;
  1545. }
  1546. /**
  1547. * wpas_dbus_handler_get_blob - Get named binary blob (ie, for certificates)
  1548. * @message: Pointer to incoming dbus message
  1549. * @wpa_s: %wpa_supplicant data structure
  1550. * Returns: A dbus message containing array of bytes (blob)
  1551. *
  1552. * Gets one wpa_supplicant's binary blobs.
  1553. */
  1554. DBusMessage * wpas_dbus_handler_get_blob(DBusMessage *message,
  1555. struct wpa_supplicant *wpa_s)
  1556. {
  1557. DBusMessage *reply = NULL;
  1558. DBusMessageIter iter, array_iter;
  1559. char *blob_name;
  1560. const struct wpa_config_blob *blob;
  1561. dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &blob_name,
  1562. DBUS_TYPE_INVALID);
  1563. blob = wpa_config_get_blob(wpa_s->conf, blob_name);
  1564. if (!blob) {
  1565. return dbus_message_new_error(message,
  1566. WPAS_DBUS_ERROR_BLOB_UNKNOWN,
  1567. "Blob id not set");
  1568. }
  1569. reply = dbus_message_new_method_return(message);
  1570. if (!reply) {
  1571. reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
  1572. NULL);
  1573. goto out;
  1574. }
  1575. dbus_message_iter_init_append(reply, &iter);
  1576. if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
  1577. DBUS_TYPE_BYTE_AS_STRING,
  1578. &array_iter)) {
  1579. dbus_message_unref(reply);
  1580. reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
  1581. NULL);
  1582. goto out;
  1583. }
  1584. if (!dbus_message_iter_append_fixed_array(&array_iter, DBUS_TYPE_BYTE,
  1585. &(blob->data), blob->len)) {
  1586. dbus_message_unref(reply);
  1587. reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
  1588. NULL);
  1589. goto out;
  1590. }
  1591. if (!dbus_message_iter_close_container(&iter, &array_iter)) {
  1592. dbus_message_unref(reply);
  1593. reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
  1594. NULL);
  1595. goto out;
  1596. }
  1597. out:
  1598. return reply;
  1599. }
  1600. /**
  1601. * wpas_remove_handler_remove_blob - Remove named binary blob
  1602. * @message: Pointer to incoming dbus message
  1603. * @wpa_s: %wpa_supplicant data structure
  1604. * Returns: NULL on success or dbus error
  1605. *
  1606. * Asks wpa_supplicant to internally remove a binary blobs.
  1607. */
  1608. DBusMessage * wpas_dbus_handler_remove_blob(DBusMessage *message,
  1609. struct wpa_supplicant *wpa_s)
  1610. {
  1611. DBusMessage *reply = NULL;
  1612. char *blob_name;
  1613. dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &blob_name,
  1614. DBUS_TYPE_INVALID);
  1615. if (wpa_config_remove_blob(wpa_s->conf, blob_name)) {
  1616. return dbus_message_new_error(message,
  1617. WPAS_DBUS_ERROR_BLOB_UNKNOWN,
  1618. "Blob id not set");
  1619. }
  1620. wpas_notify_blob_removed(wpa_s, blob_name);
  1621. return reply;
  1622. }
  1623. #endif /* CONFIG_NO_CONFIG_BLOBS */
  1624. /*
  1625. * wpas_dbus_handler_flush_bss - Flush the BSS cache
  1626. * @message: Pointer to incoming dbus message
  1627. * @wpa_s: wpa_supplicant structure for a network interface
  1628. * Returns: NULL
  1629. *
  1630. * Handler function for "FlushBSS" method call of network interface.
  1631. */
  1632. DBusMessage * wpas_dbus_handler_flush_bss(DBusMessage *message,
  1633. struct wpa_supplicant *wpa_s)
  1634. {
  1635. dbus_uint32_t age;
  1636. dbus_message_get_args(message, NULL, DBUS_TYPE_UINT32, &age,
  1637. DBUS_TYPE_INVALID);
  1638. if (age == 0)
  1639. wpa_bss_flush(wpa_s);
  1640. else
  1641. wpa_bss_flush_by_age(wpa_s, age);
  1642. return NULL;
  1643. }
  1644. #ifdef CONFIG_AUTOSCAN
  1645. /**
  1646. * wpas_dbus_handler_autoscan - Set autoscan parameters for the interface
  1647. * @message: Pointer to incoming dbus message
  1648. * @wpa_s: wpa_supplicant structure for a network interface
  1649. * Returns: NULL
  1650. *
  1651. * Handler function for "AutoScan" method call of network interface.
  1652. */
  1653. DBusMessage * wpas_dbus_handler_autoscan(DBusMessage *message,
  1654. struct wpa_supplicant *wpa_s)
  1655. {
  1656. DBusMessage *reply = NULL;
  1657. enum wpa_states state = wpa_s->wpa_state;
  1658. char *arg;
  1659. dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &arg,
  1660. DBUS_TYPE_INVALID);
  1661. if (arg != NULL && os_strlen(arg) > 0) {
  1662. char *tmp;
  1663. tmp = os_strdup(arg);
  1664. if (tmp == NULL) {
  1665. reply = dbus_message_new_error(message,
  1666. DBUS_ERROR_NO_MEMORY,
  1667. NULL);
  1668. } else {
  1669. os_free(wpa_s->conf->autoscan);
  1670. wpa_s->conf->autoscan = tmp;
  1671. if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
  1672. autoscan_init(wpa_s, 1);
  1673. else if (state == WPA_SCANNING)
  1674. wpa_supplicant_reinit_autoscan(wpa_s);
  1675. }
  1676. } else if (arg != NULL && os_strlen(arg) == 0) {
  1677. os_free(wpa_s->conf->autoscan);
  1678. wpa_s->conf->autoscan = NULL;
  1679. autoscan_deinit(wpa_s);
  1680. } else
  1681. reply = dbus_message_new_error(message,
  1682. DBUS_ERROR_INVALID_ARGS,
  1683. NULL);
  1684. return reply;
  1685. }
  1686. #endif /* CONFIG_AUTOSCAN */
  1687. /*
  1688. * wpas_dbus_handler_eap_logoff - IEEE 802.1X EAPOL state machine logoff
  1689. * @message: Pointer to incoming dbus message
  1690. * @wpa_s: wpa_supplicant structure for a network interface
  1691. * Returns: NULL
  1692. *
  1693. * Handler function for "EAPLogoff" method call of network interface.
  1694. */
  1695. DBusMessage * wpas_dbus_handler_eap_logoff(DBusMessage *message,
  1696. struct wpa_supplicant *wpa_s)
  1697. {
  1698. eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
  1699. return NULL;
  1700. }
  1701. /*
  1702. * wpas_dbus_handler_eap_logon - IEEE 802.1X EAPOL state machine logon
  1703. * @message: Pointer to incoming dbus message
  1704. * @wpa_s: wpa_supplicant structure for a network interface
  1705. * Returns: NULL
  1706. *
  1707. * Handler function for "EAPLogin" method call of network interface.
  1708. */
  1709. DBusMessage * wpas_dbus_handler_eap_logon(DBusMessage *message,
  1710. struct wpa_supplicant *wpa_s)
  1711. {
  1712. eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
  1713. return NULL;
  1714. }
  1715. #ifdef CONFIG_TDLS
  1716. static DBusMessage * get_peer_hwaddr_helper(DBusMessage *message,
  1717. const char *func_name,
  1718. u8 *peer_address)
  1719. {
  1720. const char *peer_string;
  1721. if (!dbus_message_get_args(message, NULL,
  1722. DBUS_TYPE_STRING, &peer_string,
  1723. DBUS_TYPE_INVALID))
  1724. return wpas_dbus_error_invalid_args(message, NULL);
  1725. if (hwaddr_aton(peer_string, peer_address)) {
  1726. wpa_printf(MSG_DEBUG, "%s: invalid address '%s'",
  1727. func_name, peer_string);
  1728. return wpas_dbus_error_invalid_args(
  1729. message, "Invalid hardware address format");
  1730. }
  1731. return NULL;
  1732. }
  1733. /*
  1734. * wpas_dbus_handler_tdls_discover - Discover TDLS peer
  1735. * @message: Pointer to incoming dbus message
  1736. * @wpa_s: wpa_supplicant structure for a network interface
  1737. * Returns: NULL indicating success or DBus error message on failure
  1738. *
  1739. * Handler function for "TDLSDiscover" method call of network interface.
  1740. */
  1741. DBusMessage * wpas_dbus_handler_tdls_discover(DBusMessage *message,
  1742. struct wpa_supplicant *wpa_s)
  1743. {
  1744. u8 peer[ETH_ALEN];
  1745. DBusMessage *error_reply;
  1746. int ret;
  1747. error_reply = get_peer_hwaddr_helper(message, __func__, peer);
  1748. if (error_reply)
  1749. return error_reply;
  1750. wpa_printf(MSG_DEBUG, "DBUS TDLS_DISCOVER " MACSTR, MAC2STR(peer));
  1751. if (wpa_tdls_is_external_setup(wpa_s->wpa))
  1752. ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
  1753. else
  1754. ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
  1755. if (ret) {
  1756. return wpas_dbus_error_unknown_error(
  1757. message, "error performing TDLS discovery");
  1758. }
  1759. return NULL;
  1760. }
  1761. /*
  1762. * wpas_dbus_handler_tdls_setup - Setup TDLS session
  1763. * @message: Pointer to incoming dbus message
  1764. * @wpa_s: wpa_supplicant structure for a network interface
  1765. * Returns: NULL indicating success or DBus error message on failure
  1766. *
  1767. * Handler function for "TDLSSetup" method call of network interface.
  1768. */
  1769. DBusMessage * wpas_dbus_handler_tdls_setup(DBusMessage *message,
  1770. struct wpa_supplicant *wpa_s)
  1771. {
  1772. u8 peer[ETH_ALEN];
  1773. DBusMessage *error_reply;
  1774. int ret;
  1775. error_reply = get_peer_hwaddr_helper(message, __func__, peer);
  1776. if (error_reply)
  1777. return error_reply;
  1778. wpa_printf(MSG_DEBUG, "DBUS TDLS_SETUP " MACSTR, MAC2STR(peer));
  1779. wpa_tdls_remove(wpa_s->wpa, peer);
  1780. if (wpa_tdls_is_external_setup(wpa_s->wpa))
  1781. ret = wpa_tdls_start(wpa_s->wpa, peer);
  1782. else
  1783. ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
  1784. if (ret) {
  1785. return wpas_dbus_error_unknown_error(
  1786. message, "error performing TDLS setup");
  1787. }
  1788. return NULL;
  1789. }
  1790. /*
  1791. * wpas_dbus_handler_tdls_status - Return TDLS session status
  1792. * @message: Pointer to incoming dbus message
  1793. * @wpa_s: wpa_supplicant structure for a network interface
  1794. * Returns: A string representing the state of the link to this TDLS peer
  1795. *
  1796. * Handler function for "TDLSStatus" method call of network interface.
  1797. */
  1798. DBusMessage * wpas_dbus_handler_tdls_status(DBusMessage *message,
  1799. struct wpa_supplicant *wpa_s)
  1800. {
  1801. u8 peer[ETH_ALEN];
  1802. DBusMessage *reply;
  1803. const char *tdls_status;
  1804. reply = get_peer_hwaddr_helper(message, __func__, peer);
  1805. if (reply)
  1806. return reply;
  1807. wpa_printf(MSG_DEBUG, "DBUS TDLS_STATUS " MACSTR, MAC2STR(peer));
  1808. tdls_status = wpa_tdls_get_link_status(wpa_s->wpa, peer);
  1809. reply = dbus_message_new_method_return(message);
  1810. dbus_message_append_args(reply, DBUS_TYPE_STRING,
  1811. &tdls_status, DBUS_TYPE_INVALID);
  1812. return reply;
  1813. }
  1814. /*
  1815. * wpas_dbus_handler_tdls_teardown - Teardown TDLS session
  1816. * @message: Pointer to incoming dbus message
  1817. * @wpa_s: wpa_supplicant structure for a network interface
  1818. * Returns: NULL indicating success or DBus error message on failure
  1819. *
  1820. * Handler function for "TDLSTeardown" method call of network interface.
  1821. */
  1822. DBusMessage * wpas_dbus_handler_tdls_teardown(DBusMessage *message,
  1823. struct wpa_supplicant *wpa_s)
  1824. {
  1825. u8 peer[ETH_ALEN];
  1826. DBusMessage *error_reply;
  1827. int ret;
  1828. error_reply = get_peer_hwaddr_helper(message, __func__, peer);
  1829. if (error_reply)
  1830. return error_reply;
  1831. wpa_printf(MSG_DEBUG, "DBUS TDLS_TEARDOWN " MACSTR, MAC2STR(peer));
  1832. if (wpa_tdls_is_external_setup(wpa_s->wpa))
  1833. ret = wpa_tdls_teardown_link(
  1834. wpa_s->wpa, peer,
  1835. WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
  1836. else
  1837. ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
  1838. if (ret) {
  1839. return wpas_dbus_error_unknown_error(
  1840. message, "error performing TDLS teardown");
  1841. }
  1842. return NULL;
  1843. }
  1844. #endif /* CONFIG_TDLS */
  1845. /**
  1846. * wpas_dbus_handler_set_pkcs11_engine_and_module_path - Set PKCS #11 engine and module path
  1847. * @message: Pointer to incoming dbus message
  1848. * @wpa_s: %wpa_supplicant data structure
  1849. * Returns: A dbus message containing an error on failure or NULL on success
  1850. *
  1851. * Sets the PKCS #11 engine and module path.
  1852. */
  1853. DBusMessage * wpas_dbus_handler_set_pkcs11_engine_and_module_path(
  1854. DBusMessage *message, struct wpa_supplicant *wpa_s)
  1855. {
  1856. DBusMessageIter iter;
  1857. char *value = NULL;
  1858. char *pkcs11_engine_path = NULL;
  1859. char *pkcs11_module_path = NULL;
  1860. dbus_message_iter_init(message, &iter);
  1861. dbus_message_iter_get_basic(&iter, &value);
  1862. if (value == NULL) {
  1863. return dbus_message_new_error(
  1864. message, DBUS_ERROR_INVALID_ARGS,
  1865. "Invalid pkcs11_engine_path argument");
  1866. }
  1867. /* Empty path defaults to NULL */
  1868. if (os_strlen(value))
  1869. pkcs11_engine_path = value;
  1870. dbus_message_iter_next(&iter);
  1871. dbus_message_iter_get_basic(&iter, &value);
  1872. if (value == NULL) {
  1873. os_free(pkcs11_engine_path);
  1874. return dbus_message_new_error(
  1875. message, DBUS_ERROR_INVALID_ARGS,
  1876. "Invalid pkcs11_module_path argument");
  1877. }
  1878. /* Empty path defaults to NULL */
  1879. if (os_strlen(value))
  1880. pkcs11_module_path = value;
  1881. if (wpas_set_pkcs11_engine_and_module_path(wpa_s, pkcs11_engine_path,
  1882. pkcs11_module_path))
  1883. return dbus_message_new_error(
  1884. message, DBUS_ERROR_FAILED,
  1885. "Reinit of the EAPOL state machine with the new PKCS "
  1886. "#11 engine and module path failed.");
  1887. wpa_dbus_mark_property_changed(
  1888. wpa_s->global->dbus, wpa_s->dbus_new_path,
  1889. WPAS_DBUS_NEW_IFACE_INTERFACE, "PKCS11EnginePath");
  1890. wpa_dbus_mark_property_changed(
  1891. wpa_s->global->dbus, wpa_s->dbus_new_path,
  1892. WPAS_DBUS_NEW_IFACE_INTERFACE, "PKCS11ModulePath");
  1893. return NULL;
  1894. }
  1895. /**
  1896. * wpas_dbus_getter_capabilities - Return interface capabilities
  1897. * @iter: Pointer to incoming dbus message iter
  1898. * @error: Location to store error on failure
  1899. * @user_data: Function specific data
  1900. * Returns: TRUE on success, FALSE on failure
  1901. *
  1902. * Getter for "Capabilities" property of an interface.
  1903. */
  1904. dbus_bool_t wpas_dbus_getter_capabilities(DBusMessageIter *iter,
  1905. DBusError *error, void *user_data)
  1906. {
  1907. struct wpa_supplicant *wpa_s = user_data;
  1908. struct wpa_driver_capa capa;
  1909. int res;
  1910. DBusMessageIter iter_dict, iter_dict_entry, iter_dict_val, iter_array,
  1911. variant_iter;
  1912. const char *scans[] = { "active", "passive", "ssid" };
  1913. if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
  1914. "a{sv}", &variant_iter))
  1915. goto nomem;
  1916. if (!wpa_dbus_dict_open_write(&variant_iter, &iter_dict))
  1917. goto nomem;
  1918. res = wpa_drv_get_capa(wpa_s, &capa);
  1919. /***** pairwise cipher */
  1920. if (res < 0) {
  1921. const char *args[] = {"ccmp", "tkip", "none"};
  1922. if (!wpa_dbus_dict_append_string_array(
  1923. &iter_dict, "Pairwise", args,
  1924. ARRAY_SIZE(args)))
  1925. goto nomem;
  1926. } else {
  1927. if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Pairwise",
  1928. &iter_dict_entry,
  1929. &iter_dict_val,
  1930. &iter_array))
  1931. goto nomem;
  1932. if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP_256) {
  1933. if (!wpa_dbus_dict_string_array_add_element(
  1934. &iter_array, "ccmp-256"))
  1935. goto nomem;
  1936. }
  1937. if (capa.enc & WPA_DRIVER_CAPA_ENC_GCMP_256) {
  1938. if (!wpa_dbus_dict_string_array_add_element(
  1939. &iter_array, "gcmp-256"))
  1940. goto nomem;
  1941. }
  1942. if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) {
  1943. if (!wpa_dbus_dict_string_array_add_element(
  1944. &iter_array, "ccmp"))
  1945. goto nomem;
  1946. }
  1947. if (capa.enc & WPA_DRIVER_CAPA_ENC_GCMP) {
  1948. if (!wpa_dbus_dict_string_array_add_element(
  1949. &iter_array, "gcmp"))
  1950. goto nomem;
  1951. }
  1952. if (capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) {
  1953. if (!wpa_dbus_dict_string_array_add_element(
  1954. &iter_array, "tkip"))
  1955. goto nomem;
  1956. }
  1957. if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
  1958. if (!wpa_dbus_dict_string_array_add_element(
  1959. &iter_array, "none"))
  1960. goto nomem;
  1961. }
  1962. if (!wpa_dbus_dict_end_string_array(&iter_dict,
  1963. &iter_dict_entry,
  1964. &iter_dict_val,
  1965. &iter_array))
  1966. goto nomem;
  1967. }
  1968. /***** group cipher */
  1969. if (res < 0) {
  1970. const char *args[] = {
  1971. "ccmp", "tkip", "wep104", "wep40"
  1972. };
  1973. if (!wpa_dbus_dict_append_string_array(
  1974. &iter_dict, "Group", args,
  1975. ARRAY_SIZE(args)))
  1976. goto nomem;
  1977. } else {
  1978. if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Group",
  1979. &iter_dict_entry,
  1980. &iter_dict_val,
  1981. &iter_array))
  1982. goto nomem;
  1983. if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP_256) {
  1984. if (!wpa_dbus_dict_string_array_add_element(
  1985. &iter_array, "ccmp-256"))
  1986. goto nomem;
  1987. }
  1988. if (capa.enc & WPA_DRIVER_CAPA_ENC_GCMP_256) {
  1989. if (!wpa_dbus_dict_string_array_add_element(
  1990. &iter_array, "gcmp-256"))
  1991. goto nomem;
  1992. }
  1993. if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) {
  1994. if (!wpa_dbus_dict_string_array_add_element(
  1995. &iter_array, "ccmp"))
  1996. goto nomem;
  1997. }
  1998. if (capa.enc & WPA_DRIVER_CAPA_ENC_GCMP) {
  1999. if (!wpa_dbus_dict_string_array_add_element(
  2000. &iter_array, "gcmp"))
  2001. goto nomem;
  2002. }
  2003. if (capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) {
  2004. if (!wpa_dbus_dict_string_array_add_element(
  2005. &iter_array, "tkip"))
  2006. goto nomem;
  2007. }
  2008. if (capa.enc & WPA_DRIVER_CAPA_ENC_WEP104) {
  2009. if (!wpa_dbus_dict_string_array_add_element(
  2010. &iter_array, "wep104"))
  2011. goto nomem;
  2012. }
  2013. if (capa.enc & WPA_DRIVER_CAPA_ENC_WEP40) {
  2014. if (!wpa_dbus_dict_string_array_add_element(
  2015. &iter_array, "wep40"))
  2016. goto nomem;
  2017. }
  2018. if (!wpa_dbus_dict_end_string_array(&iter_dict,
  2019. &iter_dict_entry,
  2020. &iter_dict_val,
  2021. &iter_array))
  2022. goto nomem;
  2023. }
  2024. /***** key management */
  2025. if (res < 0) {
  2026. const char *args[] = {
  2027. "wpa-psk", "wpa-eap", "ieee8021x", "wpa-none",
  2028. #ifdef CONFIG_WPS
  2029. "wps",
  2030. #endif /* CONFIG_WPS */
  2031. "none"
  2032. };
  2033. if (!wpa_dbus_dict_append_string_array(
  2034. &iter_dict, "KeyMgmt", args,
  2035. ARRAY_SIZE(args)))
  2036. goto nomem;
  2037. } else {
  2038. if (!wpa_dbus_dict_begin_string_array(&iter_dict, "KeyMgmt",
  2039. &iter_dict_entry,
  2040. &iter_dict_val,
  2041. &iter_array))
  2042. goto nomem;
  2043. if (!wpa_dbus_dict_string_array_add_element(&iter_array,
  2044. "none"))
  2045. goto nomem;
  2046. if (!wpa_dbus_dict_string_array_add_element(&iter_array,
  2047. "ieee8021x"))
  2048. goto nomem;
  2049. if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
  2050. WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
  2051. if (!wpa_dbus_dict_string_array_add_element(
  2052. &iter_array, "wpa-eap"))
  2053. goto nomem;
  2054. if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_FT)
  2055. if (!wpa_dbus_dict_string_array_add_element(
  2056. &iter_array, "wpa-ft-eap"))
  2057. goto nomem;
  2058. /* TODO: Ensure that driver actually supports sha256 encryption. */
  2059. #ifdef CONFIG_IEEE80211W
  2060. if (!wpa_dbus_dict_string_array_add_element(
  2061. &iter_array, "wpa-eap-sha256"))
  2062. goto nomem;
  2063. #endif /* CONFIG_IEEE80211W */
  2064. }
  2065. if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
  2066. WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
  2067. if (!wpa_dbus_dict_string_array_add_element(
  2068. &iter_array, "wpa-psk"))
  2069. goto nomem;
  2070. if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK)
  2071. if (!wpa_dbus_dict_string_array_add_element(
  2072. &iter_array, "wpa-ft-psk"))
  2073. goto nomem;
  2074. /* TODO: Ensure that driver actually supports sha256 encryption. */
  2075. #ifdef CONFIG_IEEE80211W
  2076. if (!wpa_dbus_dict_string_array_add_element(
  2077. &iter_array, "wpa-psk-sha256"))
  2078. goto nomem;
  2079. #endif /* CONFIG_IEEE80211W */
  2080. }
  2081. if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
  2082. if (!wpa_dbus_dict_string_array_add_element(
  2083. &iter_array, "wpa-none"))
  2084. goto nomem;
  2085. }
  2086. #ifdef CONFIG_WPS
  2087. if (!wpa_dbus_dict_string_array_add_element(&iter_array,
  2088. "wps"))
  2089. goto nomem;
  2090. #endif /* CONFIG_WPS */
  2091. if (!wpa_dbus_dict_end_string_array(&iter_dict,
  2092. &iter_dict_entry,
  2093. &iter_dict_val,
  2094. &iter_array))
  2095. goto nomem;
  2096. }
  2097. /***** WPA protocol */
  2098. if (res < 0) {
  2099. const char *args[] = { "rsn", "wpa" };
  2100. if (!wpa_dbus_dict_append_string_array(
  2101. &iter_dict, "Protocol", args,
  2102. ARRAY_SIZE(args)))
  2103. goto nomem;
  2104. } else {
  2105. if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Protocol",
  2106. &iter_dict_entry,
  2107. &iter_dict_val,
  2108. &iter_array))
  2109. goto nomem;
  2110. if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
  2111. WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
  2112. if (!wpa_dbus_dict_string_array_add_element(
  2113. &iter_array, "rsn"))
  2114. goto nomem;
  2115. }
  2116. if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
  2117. WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
  2118. if (!wpa_dbus_dict_string_array_add_element(
  2119. &iter_array, "wpa"))
  2120. goto nomem;
  2121. }
  2122. if (!wpa_dbus_dict_end_string_array(&iter_dict,
  2123. &iter_dict_entry,
  2124. &iter_dict_val,
  2125. &iter_array))
  2126. goto nomem;
  2127. }
  2128. /***** auth alg */
  2129. if (res < 0) {
  2130. const char *args[] = { "open", "shared", "leap" };
  2131. if (!wpa_dbus_dict_append_string_array(
  2132. &iter_dict, "AuthAlg", args,
  2133. ARRAY_SIZE(args)))
  2134. goto nomem;
  2135. } else {
  2136. if (!wpa_dbus_dict_begin_string_array(&iter_dict, "AuthAlg",
  2137. &iter_dict_entry,
  2138. &iter_dict_val,
  2139. &iter_array))
  2140. goto nomem;
  2141. if (capa.auth & (WPA_DRIVER_AUTH_OPEN)) {
  2142. if (!wpa_dbus_dict_string_array_add_element(
  2143. &iter_array, "open"))
  2144. goto nomem;
  2145. }
  2146. if (capa.auth & (WPA_DRIVER_AUTH_SHARED)) {
  2147. if (!wpa_dbus_dict_string_array_add_element(
  2148. &iter_array, "shared"))
  2149. goto nomem;
  2150. }
  2151. if (capa.auth & (WPA_DRIVER_AUTH_LEAP)) {
  2152. if (!wpa_dbus_dict_string_array_add_element(
  2153. &iter_array, "leap"))
  2154. goto nomem;
  2155. }
  2156. if (!wpa_dbus_dict_end_string_array(&iter_dict,
  2157. &iter_dict_entry,
  2158. &iter_dict_val,
  2159. &iter_array))
  2160. goto nomem;
  2161. }
  2162. /***** Scan */
  2163. if (!wpa_dbus_dict_append_string_array(&iter_dict, "Scan", scans,
  2164. ARRAY_SIZE(scans)))
  2165. goto nomem;
  2166. /***** Modes */
  2167. if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Modes",
  2168. &iter_dict_entry,
  2169. &iter_dict_val,
  2170. &iter_array))
  2171. goto nomem;
  2172. if (!wpa_dbus_dict_string_array_add_element(
  2173. &iter_array, "infrastructure"))
  2174. goto nomem;
  2175. if (!wpa_dbus_dict_string_array_add_element(
  2176. &iter_array, "ad-hoc"))
  2177. goto nomem;
  2178. if (res >= 0) {
  2179. if (capa.flags & (WPA_DRIVER_FLAGS_AP)) {
  2180. if (!wpa_dbus_dict_string_array_add_element(
  2181. &iter_array, "ap"))
  2182. goto nomem;
  2183. }
  2184. if (capa.flags & (WPA_DRIVER_FLAGS_P2P_CAPABLE)) {
  2185. if (!wpa_dbus_dict_string_array_add_element(
  2186. &iter_array, "p2p"))
  2187. goto nomem;
  2188. }
  2189. }
  2190. if (!wpa_dbus_dict_end_string_array(&iter_dict,
  2191. &iter_dict_entry,
  2192. &iter_dict_val,
  2193. &iter_array))
  2194. goto nomem;
  2195. /***** Modes end */
  2196. if (res >= 0) {
  2197. dbus_int32_t max_scan_ssid = capa.max_scan_ssids;
  2198. if (!wpa_dbus_dict_append_int32(&iter_dict, "MaxScanSSID",
  2199. max_scan_ssid))
  2200. goto nomem;
  2201. }
  2202. if (!wpa_dbus_dict_close_write(&variant_iter, &iter_dict))
  2203. goto nomem;
  2204. if (!dbus_message_iter_close_container(iter, &variant_iter))
  2205. goto nomem;
  2206. return TRUE;
  2207. nomem:
  2208. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
  2209. return FALSE;
  2210. }
  2211. /**
  2212. * wpas_dbus_getter_state - Get interface state
  2213. * @iter: Pointer to incoming dbus message iter
  2214. * @error: Location to store error on failure
  2215. * @user_data: Function specific data
  2216. * Returns: TRUE on success, FALSE on failure
  2217. *
  2218. * Getter for "State" property.
  2219. */
  2220. dbus_bool_t wpas_dbus_getter_state(DBusMessageIter *iter, DBusError *error,
  2221. void *user_data)
  2222. {
  2223. struct wpa_supplicant *wpa_s = user_data;
  2224. const char *str_state;
  2225. char *state_ls, *tmp;
  2226. dbus_bool_t success = FALSE;
  2227. str_state = wpa_supplicant_state_txt(wpa_s->wpa_state);
  2228. /* make state string lowercase to fit new DBus API convention
  2229. */
  2230. state_ls = tmp = os_strdup(str_state);
  2231. if (!tmp) {
  2232. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
  2233. return FALSE;
  2234. }
  2235. while (*tmp) {
  2236. *tmp = tolower(*tmp);
  2237. tmp++;
  2238. }
  2239. success = wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
  2240. &state_ls, error);
  2241. os_free(state_ls);
  2242. return success;
  2243. }
  2244. /**
  2245. * wpas_dbus_new_iface_get_scanning - Get interface scanning state
  2246. * @iter: Pointer to incoming dbus message iter
  2247. * @error: Location to store error on failure
  2248. * @user_data: Function specific data
  2249. * Returns: TRUE on success, FALSE on failure
  2250. *
  2251. * Getter for "scanning" property.
  2252. */
  2253. dbus_bool_t wpas_dbus_getter_scanning(DBusMessageIter *iter, DBusError *error,
  2254. void *user_data)
  2255. {
  2256. struct wpa_supplicant *wpa_s = user_data;
  2257. dbus_bool_t scanning = wpa_s->scanning ? TRUE : FALSE;
  2258. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
  2259. &scanning, error);
  2260. }
  2261. /**
  2262. * wpas_dbus_getter_ap_scan - Control roaming mode
  2263. * @iter: Pointer to incoming dbus message iter
  2264. * @error: Location to store error on failure
  2265. * @user_data: Function specific data
  2266. * Returns: TRUE on success, FALSE on failure
  2267. *
  2268. * Getter function for "ApScan" property.
  2269. */
  2270. dbus_bool_t wpas_dbus_getter_ap_scan(DBusMessageIter *iter, DBusError *error,
  2271. void *user_data)
  2272. {
  2273. struct wpa_supplicant *wpa_s = user_data;
  2274. dbus_uint32_t ap_scan = wpa_s->conf->ap_scan;
  2275. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32,
  2276. &ap_scan, error);
  2277. }
  2278. /**
  2279. * wpas_dbus_setter_ap_scan - Control roaming mode
  2280. * @iter: Pointer to incoming dbus message iter
  2281. * @error: Location to store error on failure
  2282. * @user_data: Function specific data
  2283. * Returns: TRUE on success, FALSE on failure
  2284. *
  2285. * Setter function for "ApScan" property.
  2286. */
  2287. dbus_bool_t wpas_dbus_setter_ap_scan(DBusMessageIter *iter, DBusError *error,
  2288. void *user_data)
  2289. {
  2290. struct wpa_supplicant *wpa_s = user_data;
  2291. dbus_uint32_t ap_scan;
  2292. if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32,
  2293. &ap_scan))
  2294. return FALSE;
  2295. if (wpa_supplicant_set_ap_scan(wpa_s, ap_scan)) {
  2296. dbus_set_error_const(error, DBUS_ERROR_FAILED,
  2297. "ap_scan must be 0, 1, or 2");
  2298. return FALSE;
  2299. }
  2300. return TRUE;
  2301. }
  2302. /**
  2303. * wpas_dbus_getter_fast_reauth - Control fast
  2304. * reauthentication (TLS session resumption)
  2305. * @iter: Pointer to incoming dbus message iter
  2306. * @error: Location to store error on failure
  2307. * @user_data: Function specific data
  2308. * Returns: TRUE on success, FALSE on failure
  2309. *
  2310. * Getter function for "FastReauth" property.
  2311. */
  2312. dbus_bool_t wpas_dbus_getter_fast_reauth(DBusMessageIter *iter,
  2313. DBusError *error,
  2314. void *user_data)
  2315. {
  2316. struct wpa_supplicant *wpa_s = user_data;
  2317. dbus_bool_t fast_reauth = wpa_s->conf->fast_reauth ? TRUE : FALSE;
  2318. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
  2319. &fast_reauth, error);
  2320. }
  2321. /**
  2322. * wpas_dbus_setter_fast_reauth - Control fast
  2323. * reauthentication (TLS session resumption)
  2324. * @iter: Pointer to incoming dbus message iter
  2325. * @error: Location to store error on failure
  2326. * @user_data: Function specific data
  2327. * Returns: TRUE on success, FALSE on failure
  2328. *
  2329. * Setter function for "FastReauth" property.
  2330. */
  2331. dbus_bool_t wpas_dbus_setter_fast_reauth(DBusMessageIter *iter,
  2332. DBusError *error,
  2333. void *user_data)
  2334. {
  2335. struct wpa_supplicant *wpa_s = user_data;
  2336. dbus_bool_t fast_reauth;
  2337. if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
  2338. &fast_reauth))
  2339. return FALSE;
  2340. wpa_s->conf->fast_reauth = fast_reauth;
  2341. return TRUE;
  2342. }
  2343. /**
  2344. * wpas_dbus_getter_disconnect_reason - Get most recent reason for disconnect
  2345. * @iter: Pointer to incoming dbus message iter
  2346. * @error: Location to store error on failure
  2347. * @user_data: Function specific data
  2348. * Returns: TRUE on success, FALSE on failure
  2349. *
  2350. * Getter for "DisconnectReason" property. The reason is negative if it is
  2351. * locally generated.
  2352. */
  2353. dbus_bool_t wpas_dbus_getter_disconnect_reason(DBusMessageIter *iter,
  2354. DBusError *error,
  2355. void *user_data)
  2356. {
  2357. struct wpa_supplicant *wpa_s = user_data;
  2358. dbus_int32_t reason = wpa_s->disconnect_reason;
  2359. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32,
  2360. &reason, error);
  2361. }
  2362. /**
  2363. * wpas_dbus_getter_bss_expire_age - Get BSS entry expiration age
  2364. * @iter: Pointer to incoming dbus message iter
  2365. * @error: Location to store error on failure
  2366. * @user_data: Function specific data
  2367. * Returns: TRUE on success, FALSE on failure
  2368. *
  2369. * Getter function for "BSSExpireAge" property.
  2370. */
  2371. dbus_bool_t wpas_dbus_getter_bss_expire_age(DBusMessageIter *iter,
  2372. DBusError *error,
  2373. void *user_data)
  2374. {
  2375. struct wpa_supplicant *wpa_s = user_data;
  2376. dbus_uint32_t expire_age = wpa_s->conf->bss_expiration_age;
  2377. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32,
  2378. &expire_age, error);
  2379. }
  2380. /**
  2381. * wpas_dbus_setter_bss_expire_age - Control BSS entry expiration age
  2382. * @iter: Pointer to incoming dbus message iter
  2383. * @error: Location to store error on failure
  2384. * @user_data: Function specific data
  2385. * Returns: TRUE on success, FALSE on failure
  2386. *
  2387. * Setter function for "BSSExpireAge" property.
  2388. */
  2389. dbus_bool_t wpas_dbus_setter_bss_expire_age(DBusMessageIter *iter,
  2390. DBusError *error,
  2391. void *user_data)
  2392. {
  2393. struct wpa_supplicant *wpa_s = user_data;
  2394. dbus_uint32_t expire_age;
  2395. if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32,
  2396. &expire_age))
  2397. return FALSE;
  2398. if (wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age)) {
  2399. dbus_set_error_const(error, DBUS_ERROR_FAILED,
  2400. "BSSExpireAge must be >= 10");
  2401. return FALSE;
  2402. }
  2403. return TRUE;
  2404. }
  2405. /**
  2406. * wpas_dbus_getter_bss_expire_count - Get BSS entry expiration scan count
  2407. * @iter: Pointer to incoming dbus message iter
  2408. * @error: Location to store error on failure
  2409. * @user_data: Function specific data
  2410. * Returns: TRUE on success, FALSE on failure
  2411. *
  2412. * Getter function for "BSSExpireCount" property.
  2413. */
  2414. dbus_bool_t wpas_dbus_getter_bss_expire_count(DBusMessageIter *iter,
  2415. DBusError *error,
  2416. void *user_data)
  2417. {
  2418. struct wpa_supplicant *wpa_s = user_data;
  2419. dbus_uint32_t expire_count = wpa_s->conf->bss_expiration_scan_count;
  2420. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32,
  2421. &expire_count, error);
  2422. }
  2423. /**
  2424. * wpas_dbus_setter_bss_expire_count - Control BSS entry expiration scan count
  2425. * @iter: Pointer to incoming dbus message iter
  2426. * @error: Location to store error on failure
  2427. * @user_data: Function specific data
  2428. * Returns: TRUE on success, FALSE on failure
  2429. *
  2430. * Setter function for "BSSExpireCount" property.
  2431. */
  2432. dbus_bool_t wpas_dbus_setter_bss_expire_count(DBusMessageIter *iter,
  2433. DBusError *error,
  2434. void *user_data)
  2435. {
  2436. struct wpa_supplicant *wpa_s = user_data;
  2437. dbus_uint32_t expire_count;
  2438. if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32,
  2439. &expire_count))
  2440. return FALSE;
  2441. if (wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count)) {
  2442. dbus_set_error_const(error, DBUS_ERROR_FAILED,
  2443. "BSSExpireCount must be > 0");
  2444. return FALSE;
  2445. }
  2446. return TRUE;
  2447. }
  2448. /**
  2449. * wpas_dbus_getter_country - Control country code
  2450. * @iter: Pointer to incoming dbus message iter
  2451. * @error: Location to store error on failure
  2452. * @user_data: Function specific data
  2453. * Returns: TRUE on success, FALSE on failure
  2454. *
  2455. * Getter function for "Country" property.
  2456. */
  2457. dbus_bool_t wpas_dbus_getter_country(DBusMessageIter *iter, DBusError *error,
  2458. void *user_data)
  2459. {
  2460. struct wpa_supplicant *wpa_s = user_data;
  2461. char country[3];
  2462. char *str = country;
  2463. country[0] = wpa_s->conf->country[0];
  2464. country[1] = wpa_s->conf->country[1];
  2465. country[2] = '\0';
  2466. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
  2467. &str, error);
  2468. }
  2469. /**
  2470. * wpas_dbus_setter_country - Control country code
  2471. * @iter: Pointer to incoming dbus message iter
  2472. * @error: Location to store error on failure
  2473. * @user_data: Function specific data
  2474. * Returns: TRUE on success, FALSE on failure
  2475. *
  2476. * Setter function for "Country" property.
  2477. */
  2478. dbus_bool_t wpas_dbus_setter_country(DBusMessageIter *iter, DBusError *error,
  2479. void *user_data)
  2480. {
  2481. struct wpa_supplicant *wpa_s = user_data;
  2482. const char *country;
  2483. if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_STRING,
  2484. &country))
  2485. return FALSE;
  2486. if (!country[0] || !country[1]) {
  2487. dbus_set_error_const(error, DBUS_ERROR_FAILED,
  2488. "invalid country code");
  2489. return FALSE;
  2490. }
  2491. if (wpa_s->drv_priv != NULL && wpa_drv_set_country(wpa_s, country)) {
  2492. wpa_printf(MSG_DEBUG, "Failed to set country");
  2493. dbus_set_error_const(error, DBUS_ERROR_FAILED,
  2494. "failed to set country code");
  2495. return FALSE;
  2496. }
  2497. wpa_s->conf->country[0] = country[0];
  2498. wpa_s->conf->country[1] = country[1];
  2499. return TRUE;
  2500. }
  2501. /**
  2502. * wpas_dbus_getter_scan_interval - Get scan interval
  2503. * @iter: Pointer to incoming dbus message iter
  2504. * @error: Location to store error on failure
  2505. * @user_data: Function specific data
  2506. * Returns: TRUE on success, FALSE on failure
  2507. *
  2508. * Getter function for "ScanInterval" property.
  2509. */
  2510. dbus_bool_t wpas_dbus_getter_scan_interval(DBusMessageIter *iter,
  2511. DBusError *error,
  2512. void *user_data)
  2513. {
  2514. struct wpa_supplicant *wpa_s = user_data;
  2515. dbus_int32_t scan_interval = wpa_s->scan_interval;
  2516. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32,
  2517. &scan_interval, error);
  2518. }
  2519. /**
  2520. * wpas_dbus_setter_scan_interval - Control scan interval
  2521. * @iter: Pointer to incoming dbus message iter
  2522. * @error: Location to store error on failure
  2523. * @user_data: Function specific data
  2524. * Returns: TRUE on success, FALSE on failure
  2525. *
  2526. * Setter function for "ScanInterval" property.
  2527. */
  2528. dbus_bool_t wpas_dbus_setter_scan_interval(DBusMessageIter *iter,
  2529. DBusError *error,
  2530. void *user_data)
  2531. {
  2532. struct wpa_supplicant *wpa_s = user_data;
  2533. dbus_int32_t scan_interval;
  2534. if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_INT32,
  2535. &scan_interval))
  2536. return FALSE;
  2537. if (wpa_supplicant_set_scan_interval(wpa_s, scan_interval)) {
  2538. dbus_set_error_const(error, DBUS_ERROR_FAILED,
  2539. "scan_interval must be >= 0");
  2540. return FALSE;
  2541. }
  2542. return TRUE;
  2543. }
  2544. /**
  2545. * wpas_dbus_getter_ifname - Get interface name
  2546. * @iter: Pointer to incoming dbus message iter
  2547. * @error: Location to store error on failure
  2548. * @user_data: Function specific data
  2549. * Returns: TRUE on success, FALSE on failure
  2550. *
  2551. * Getter for "Ifname" property.
  2552. */
  2553. dbus_bool_t wpas_dbus_getter_ifname(DBusMessageIter *iter, DBusError *error,
  2554. void *user_data)
  2555. {
  2556. struct wpa_supplicant *wpa_s = user_data;
  2557. const char *ifname = wpa_s->ifname;
  2558. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
  2559. &ifname, error);
  2560. }
  2561. /**
  2562. * wpas_dbus_getter_driver - Get interface name
  2563. * @iter: Pointer to incoming dbus message iter
  2564. * @error: Location to store error on failure
  2565. * @user_data: Function specific data
  2566. * Returns: TRUE on success, FALSE on failure
  2567. *
  2568. * Getter for "Driver" property.
  2569. */
  2570. dbus_bool_t wpas_dbus_getter_driver(DBusMessageIter *iter, DBusError *error,
  2571. void *user_data)
  2572. {
  2573. struct wpa_supplicant *wpa_s = user_data;
  2574. const char *driver;
  2575. if (wpa_s->driver == NULL || wpa_s->driver->name == NULL) {
  2576. wpa_printf(MSG_DEBUG, "wpas_dbus_getter_driver[dbus]: "
  2577. "wpa_s has no driver set");
  2578. dbus_set_error(error, DBUS_ERROR_FAILED, "%s: no driver set",
  2579. __func__);
  2580. return FALSE;
  2581. }
  2582. driver = wpa_s->driver->name;
  2583. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
  2584. &driver, error);
  2585. }
  2586. /**
  2587. * wpas_dbus_getter_current_bss - Get current bss object path
  2588. * @iter: Pointer to incoming dbus message iter
  2589. * @error: Location to store error on failure
  2590. * @user_data: Function specific data
  2591. * Returns: TRUE on success, FALSE on failure
  2592. *
  2593. * Getter for "CurrentBSS" property.
  2594. */
  2595. dbus_bool_t wpas_dbus_getter_current_bss(DBusMessageIter *iter,
  2596. DBusError *error,
  2597. void *user_data)
  2598. {
  2599. struct wpa_supplicant *wpa_s = user_data;
  2600. char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *bss_obj_path = path_buf;
  2601. if (wpa_s->current_bss)
  2602. os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
  2603. "%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
  2604. wpa_s->dbus_new_path, wpa_s->current_bss->id);
  2605. else
  2606. os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, "/");
  2607. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_OBJECT_PATH,
  2608. &bss_obj_path, error);
  2609. }
  2610. /**
  2611. * wpas_dbus_getter_current_network - Get current network object path
  2612. * @iter: Pointer to incoming dbus message iter
  2613. * @error: Location to store error on failure
  2614. * @user_data: Function specific data
  2615. * Returns: TRUE on success, FALSE on failure
  2616. *
  2617. * Getter for "CurrentNetwork" property.
  2618. */
  2619. dbus_bool_t wpas_dbus_getter_current_network(DBusMessageIter *iter,
  2620. DBusError *error,
  2621. void *user_data)
  2622. {
  2623. struct wpa_supplicant *wpa_s = user_data;
  2624. char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *net_obj_path = path_buf;
  2625. if (wpa_s->current_ssid)
  2626. os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
  2627. "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%u",
  2628. wpa_s->dbus_new_path, wpa_s->current_ssid->id);
  2629. else
  2630. os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, "/");
  2631. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_OBJECT_PATH,
  2632. &net_obj_path, error);
  2633. }
  2634. /**
  2635. * wpas_dbus_getter_current_auth_mode - Get current authentication type
  2636. * @iter: Pointer to incoming dbus message iter
  2637. * @error: Location to store error on failure
  2638. * @user_data: Function specific data
  2639. * Returns: TRUE on success, FALSE on failure
  2640. *
  2641. * Getter for "CurrentAuthMode" property.
  2642. */
  2643. dbus_bool_t wpas_dbus_getter_current_auth_mode(DBusMessageIter *iter,
  2644. DBusError *error,
  2645. void *user_data)
  2646. {
  2647. struct wpa_supplicant *wpa_s = user_data;
  2648. const char *eap_mode;
  2649. const char *auth_mode;
  2650. char eap_mode_buf[WPAS_DBUS_AUTH_MODE_MAX];
  2651. if (wpa_s->wpa_state != WPA_COMPLETED) {
  2652. auth_mode = "INACTIVE";
  2653. } else if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X ||
  2654. wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
  2655. eap_mode = wpa_supplicant_get_eap_mode(wpa_s);
  2656. os_snprintf(eap_mode_buf, WPAS_DBUS_AUTH_MODE_MAX,
  2657. "EAP-%s", eap_mode);
  2658. auth_mode = eap_mode_buf;
  2659. } else {
  2660. auth_mode = wpa_key_mgmt_txt(wpa_s->key_mgmt,
  2661. wpa_s->current_ssid->proto);
  2662. }
  2663. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
  2664. &auth_mode, error);
  2665. }
  2666. /**
  2667. * wpas_dbus_getter_bridge_ifname - Get interface name
  2668. * @iter: Pointer to incoming dbus message iter
  2669. * @error: Location to store error on failure
  2670. * @user_data: Function specific data
  2671. * Returns: TRUE on success, FALSE on failure
  2672. *
  2673. * Getter for "BridgeIfname" property.
  2674. */
  2675. dbus_bool_t wpas_dbus_getter_bridge_ifname(DBusMessageIter *iter,
  2676. DBusError *error,
  2677. void *user_data)
  2678. {
  2679. struct wpa_supplicant *wpa_s = user_data;
  2680. const char *bridge_ifname = wpa_s->bridge_ifname;
  2681. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
  2682. &bridge_ifname, error);
  2683. }
  2684. /**
  2685. * wpas_dbus_getter_bsss - Get array of BSSs objects
  2686. * @iter: Pointer to incoming dbus message iter
  2687. * @error: Location to store error on failure
  2688. * @user_data: Function specific data
  2689. * Returns: TRUE on success, FALSE on failure
  2690. *
  2691. * Getter for "BSSs" property.
  2692. */
  2693. dbus_bool_t wpas_dbus_getter_bsss(DBusMessageIter *iter, DBusError *error,
  2694. void *user_data)
  2695. {
  2696. struct wpa_supplicant *wpa_s = user_data;
  2697. struct wpa_bss *bss;
  2698. char **paths;
  2699. unsigned int i = 0;
  2700. dbus_bool_t success = FALSE;
  2701. paths = os_calloc(wpa_s->num_bss, sizeof(char *));
  2702. if (!paths) {
  2703. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
  2704. return FALSE;
  2705. }
  2706. /* Loop through scan results and append each result's object path */
  2707. dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
  2708. paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
  2709. if (paths[i] == NULL) {
  2710. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
  2711. "no memory");
  2712. goto out;
  2713. }
  2714. /* Construct the object path for this BSS. */
  2715. os_snprintf(paths[i++], WPAS_DBUS_OBJECT_PATH_MAX,
  2716. "%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
  2717. wpa_s->dbus_new_path, bss->id);
  2718. }
  2719. success = wpas_dbus_simple_array_property_getter(iter,
  2720. DBUS_TYPE_OBJECT_PATH,
  2721. paths, wpa_s->num_bss,
  2722. error);
  2723. out:
  2724. while (i)
  2725. os_free(paths[--i]);
  2726. os_free(paths);
  2727. return success;
  2728. }
  2729. /**
  2730. * wpas_dbus_getter_networks - Get array of networks objects
  2731. * @iter: Pointer to incoming dbus message iter
  2732. * @error: Location to store error on failure
  2733. * @user_data: Function specific data
  2734. * Returns: TRUE on success, FALSE on failure
  2735. *
  2736. * Getter for "Networks" property.
  2737. */
  2738. dbus_bool_t wpas_dbus_getter_networks(DBusMessageIter *iter, DBusError *error,
  2739. void *user_data)
  2740. {
  2741. struct wpa_supplicant *wpa_s = user_data;
  2742. struct wpa_ssid *ssid;
  2743. char **paths;
  2744. unsigned int i = 0, num = 0;
  2745. dbus_bool_t success = FALSE;
  2746. if (wpa_s->conf == NULL) {
  2747. wpa_printf(MSG_ERROR, "%s[dbus]: An error occurred getting "
  2748. "networks list.", __func__);
  2749. dbus_set_error(error, DBUS_ERROR_FAILED, "%s: an error "
  2750. "occurred getting the networks list", __func__);
  2751. return FALSE;
  2752. }
  2753. for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)
  2754. if (!network_is_persistent_group(ssid))
  2755. num++;
  2756. paths = os_calloc(num, sizeof(char *));
  2757. if (!paths) {
  2758. dbus_set_error(error, DBUS_ERROR_NO_MEMORY, "no memory");
  2759. return FALSE;
  2760. }
  2761. /* Loop through configured networks and append object path of each */
  2762. for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
  2763. if (network_is_persistent_group(ssid))
  2764. continue;
  2765. paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
  2766. if (paths[i] == NULL) {
  2767. dbus_set_error(error, DBUS_ERROR_NO_MEMORY, "no memory");
  2768. goto out;
  2769. }
  2770. /* Construct the object path for this network. */
  2771. os_snprintf(paths[i++], WPAS_DBUS_OBJECT_PATH_MAX,
  2772. "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%d",
  2773. wpa_s->dbus_new_path, ssid->id);
  2774. }
  2775. success = wpas_dbus_simple_array_property_getter(iter,
  2776. DBUS_TYPE_OBJECT_PATH,
  2777. paths, num, error);
  2778. out:
  2779. while (i)
  2780. os_free(paths[--i]);
  2781. os_free(paths);
  2782. return success;
  2783. }
  2784. /**
  2785. * wpas_dbus_getter_pkcs11_engine_path - Get PKCS #11 engine path
  2786. * @iter: Pointer to incoming dbus message iter
  2787. * @error: Location to store error on failure
  2788. * @user_data: Function specific data
  2789. * Returns: A dbus message containing the PKCS #11 engine path
  2790. *
  2791. * Getter for "PKCS11EnginePath" property.
  2792. */
  2793. dbus_bool_t wpas_dbus_getter_pkcs11_engine_path(DBusMessageIter *iter,
  2794. DBusError *error,
  2795. void *user_data)
  2796. {
  2797. struct wpa_supplicant *wpa_s = user_data;
  2798. const char *pkcs11_engine_path;
  2799. if (wpa_s->conf == NULL) {
  2800. wpa_printf(MSG_ERROR,
  2801. "wpas_dbus_getter_pkcs11_engine_path[dbus]: An "
  2802. "error occurred getting the PKCS #11 engine path.");
  2803. dbus_set_error_const(
  2804. error, DBUS_ERROR_FAILED,
  2805. "An error occured getting the PKCS #11 engine path.");
  2806. return FALSE;
  2807. }
  2808. if (wpa_s->conf->pkcs11_engine_path == NULL)
  2809. pkcs11_engine_path = "";
  2810. else
  2811. pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
  2812. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
  2813. &pkcs11_engine_path, error);
  2814. }
  2815. /**
  2816. * wpas_dbus_getter_pkcs11_module_path - Get PKCS #11 module path
  2817. * @iter: Pointer to incoming dbus message iter
  2818. * @error: Location to store error on failure
  2819. * @user_data: Function specific data
  2820. * Returns: A dbus message containing the PKCS #11 module path
  2821. *
  2822. * Getter for "PKCS11ModulePath" property.
  2823. */
  2824. dbus_bool_t wpas_dbus_getter_pkcs11_module_path(DBusMessageIter *iter,
  2825. DBusError *error,
  2826. void *user_data)
  2827. {
  2828. struct wpa_supplicant *wpa_s = user_data;
  2829. const char *pkcs11_module_path;
  2830. if (wpa_s->conf == NULL) {
  2831. wpa_printf(MSG_ERROR,
  2832. "wpas_dbus_getter_pkcs11_module_path[dbus]: An "
  2833. "error occurred getting the PKCS #11 module path.");
  2834. dbus_set_error_const(
  2835. error, DBUS_ERROR_FAILED,
  2836. "An error occured getting the PKCS #11 module path.");
  2837. return FALSE;
  2838. }
  2839. if (wpa_s->conf->pkcs11_module_path == NULL)
  2840. pkcs11_module_path = "";
  2841. else
  2842. pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
  2843. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
  2844. &pkcs11_module_path, error);
  2845. }
  2846. /**
  2847. * wpas_dbus_getter_blobs - Get all blobs defined for this interface
  2848. * @iter: Pointer to incoming dbus message iter
  2849. * @error: Location to store error on failure
  2850. * @user_data: Function specific data
  2851. * Returns: TRUE on success, FALSE on failure
  2852. *
  2853. * Getter for "Blobs" property.
  2854. */
  2855. dbus_bool_t wpas_dbus_getter_blobs(DBusMessageIter *iter, DBusError *error,
  2856. void *user_data)
  2857. {
  2858. struct wpa_supplicant *wpa_s = user_data;
  2859. DBusMessageIter variant_iter, dict_iter, entry_iter, array_iter;
  2860. struct wpa_config_blob *blob;
  2861. if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
  2862. "a{say}", &variant_iter) ||
  2863. !dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
  2864. "{say}", &dict_iter)) {
  2865. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
  2866. return FALSE;
  2867. }
  2868. blob = wpa_s->conf->blobs;
  2869. while (blob) {
  2870. if (!dbus_message_iter_open_container(&dict_iter,
  2871. DBUS_TYPE_DICT_ENTRY,
  2872. NULL, &entry_iter) ||
  2873. !dbus_message_iter_append_basic(&entry_iter,
  2874. DBUS_TYPE_STRING,
  2875. &(blob->name)) ||
  2876. !dbus_message_iter_open_container(&entry_iter,
  2877. DBUS_TYPE_ARRAY,
  2878. DBUS_TYPE_BYTE_AS_STRING,
  2879. &array_iter) ||
  2880. !dbus_message_iter_append_fixed_array(&array_iter,
  2881. DBUS_TYPE_BYTE,
  2882. &(blob->data),
  2883. blob->len) ||
  2884. !dbus_message_iter_close_container(&entry_iter,
  2885. &array_iter) ||
  2886. !dbus_message_iter_close_container(&dict_iter,
  2887. &entry_iter)) {
  2888. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
  2889. "no memory");
  2890. return FALSE;
  2891. }
  2892. blob = blob->next;
  2893. }
  2894. if (!dbus_message_iter_close_container(&variant_iter, &dict_iter) ||
  2895. !dbus_message_iter_close_container(iter, &variant_iter)) {
  2896. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
  2897. return FALSE;
  2898. }
  2899. return TRUE;
  2900. }
  2901. static struct wpa_bss * get_bss_helper(struct bss_handler_args *args,
  2902. DBusError *error, const char *func_name)
  2903. {
  2904. struct wpa_bss *res = wpa_bss_get_id(args->wpa_s, args->id);
  2905. if (!res) {
  2906. wpa_printf(MSG_ERROR, "%s[dbus]: no bss with id %d found",
  2907. func_name, args->id);
  2908. dbus_set_error(error, DBUS_ERROR_FAILED,
  2909. "%s: BSS %d not found",
  2910. func_name, args->id);
  2911. }
  2912. return res;
  2913. }
  2914. /**
  2915. * wpas_dbus_getter_bss_bssid - Return the BSSID of a BSS
  2916. * @iter: Pointer to incoming dbus message iter
  2917. * @error: Location to store error on failure
  2918. * @user_data: Function specific data
  2919. * Returns: TRUE on success, FALSE on failure
  2920. *
  2921. * Getter for "BSSID" property.
  2922. */
  2923. dbus_bool_t wpas_dbus_getter_bss_bssid(DBusMessageIter *iter, DBusError *error,
  2924. void *user_data)
  2925. {
  2926. struct bss_handler_args *args = user_data;
  2927. struct wpa_bss *res;
  2928. res = get_bss_helper(args, error, __func__);
  2929. if (!res)
  2930. return FALSE;
  2931. return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
  2932. res->bssid, ETH_ALEN,
  2933. error);
  2934. }
  2935. /**
  2936. * wpas_dbus_getter_bss_ssid - Return the SSID of a BSS
  2937. * @iter: Pointer to incoming dbus message iter
  2938. * @error: Location to store error on failure
  2939. * @user_data: Function specific data
  2940. * Returns: TRUE on success, FALSE on failure
  2941. *
  2942. * Getter for "SSID" property.
  2943. */
  2944. dbus_bool_t wpas_dbus_getter_bss_ssid(DBusMessageIter *iter, DBusError *error,
  2945. void *user_data)
  2946. {
  2947. struct bss_handler_args *args = user_data;
  2948. struct wpa_bss *res;
  2949. res = get_bss_helper(args, error, __func__);
  2950. if (!res)
  2951. return FALSE;
  2952. return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
  2953. res->ssid, res->ssid_len,
  2954. error);
  2955. }
  2956. /**
  2957. * wpas_dbus_getter_bss_privacy - Return the privacy flag of a BSS
  2958. * @iter: Pointer to incoming dbus message iter
  2959. * @error: Location to store error on failure
  2960. * @user_data: Function specific data
  2961. * Returns: TRUE on success, FALSE on failure
  2962. *
  2963. * Getter for "Privacy" property.
  2964. */
  2965. dbus_bool_t wpas_dbus_getter_bss_privacy(DBusMessageIter *iter,
  2966. DBusError *error, void *user_data)
  2967. {
  2968. struct bss_handler_args *args = user_data;
  2969. struct wpa_bss *res;
  2970. dbus_bool_t privacy;
  2971. res = get_bss_helper(args, error, __func__);
  2972. if (!res)
  2973. return FALSE;
  2974. privacy = (res->caps & IEEE80211_CAP_PRIVACY) ? TRUE : FALSE;
  2975. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
  2976. &privacy, error);
  2977. }
  2978. /**
  2979. * wpas_dbus_getter_bss_mode - Return the mode of a BSS
  2980. * @iter: Pointer to incoming dbus message iter
  2981. * @error: Location to store error on failure
  2982. * @user_data: Function specific data
  2983. * Returns: TRUE on success, FALSE on failure
  2984. *
  2985. * Getter for "Mode" property.
  2986. */
  2987. dbus_bool_t wpas_dbus_getter_bss_mode(DBusMessageIter *iter, DBusError *error,
  2988. void *user_data)
  2989. {
  2990. struct bss_handler_args *args = user_data;
  2991. struct wpa_bss *res;
  2992. const char *mode;
  2993. res = get_bss_helper(args, error, __func__);
  2994. if (!res)
  2995. return FALSE;
  2996. if (res->caps & IEEE80211_CAP_IBSS)
  2997. mode = "ad-hoc";
  2998. else
  2999. mode = "infrastructure";
  3000. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
  3001. &mode, error);
  3002. }
  3003. /**
  3004. * wpas_dbus_getter_bss_level - Return the signal strength of a BSS
  3005. * @iter: Pointer to incoming dbus message iter
  3006. * @error: Location to store error on failure
  3007. * @user_data: Function specific data
  3008. * Returns: TRUE on success, FALSE on failure
  3009. *
  3010. * Getter for "Level" property.
  3011. */
  3012. dbus_bool_t wpas_dbus_getter_bss_signal(DBusMessageIter *iter,
  3013. DBusError *error, void *user_data)
  3014. {
  3015. struct bss_handler_args *args = user_data;
  3016. struct wpa_bss *res;
  3017. s16 level;
  3018. res = get_bss_helper(args, error, __func__);
  3019. if (!res)
  3020. return FALSE;
  3021. level = (s16) res->level;
  3022. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT16,
  3023. &level, error);
  3024. }
  3025. /**
  3026. * wpas_dbus_getter_bss_frequency - Return the frequency of a BSS
  3027. * @iter: Pointer to incoming dbus message iter
  3028. * @error: Location to store error on failure
  3029. * @user_data: Function specific data
  3030. * Returns: TRUE on success, FALSE on failure
  3031. *
  3032. * Getter for "Frequency" property.
  3033. */
  3034. dbus_bool_t wpas_dbus_getter_bss_frequency(DBusMessageIter *iter,
  3035. DBusError *error, void *user_data)
  3036. {
  3037. struct bss_handler_args *args = user_data;
  3038. struct wpa_bss *res;
  3039. u16 freq;
  3040. res = get_bss_helper(args, error, __func__);
  3041. if (!res)
  3042. return FALSE;
  3043. freq = (u16) res->freq;
  3044. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT16,
  3045. &freq, error);
  3046. }
  3047. static int cmp_u8s_desc(const void *a, const void *b)
  3048. {
  3049. return (*(u8 *) b - *(u8 *) a);
  3050. }
  3051. /**
  3052. * wpas_dbus_getter_bss_rates - Return available bit rates of a BSS
  3053. * @iter: Pointer to incoming dbus message iter
  3054. * @error: Location to store error on failure
  3055. * @user_data: Function specific data
  3056. * Returns: TRUE on success, FALSE on failure
  3057. *
  3058. * Getter for "Rates" property.
  3059. */
  3060. dbus_bool_t wpas_dbus_getter_bss_rates(DBusMessageIter *iter,
  3061. DBusError *error, void *user_data)
  3062. {
  3063. struct bss_handler_args *args = user_data;
  3064. struct wpa_bss *res;
  3065. u8 *ie_rates = NULL;
  3066. u32 *real_rates;
  3067. int rates_num, i;
  3068. dbus_bool_t success = FALSE;
  3069. res = get_bss_helper(args, error, __func__);
  3070. if (!res)
  3071. return FALSE;
  3072. rates_num = wpa_bss_get_bit_rates(res, &ie_rates);
  3073. if (rates_num < 0)
  3074. return FALSE;
  3075. qsort(ie_rates, rates_num, 1, cmp_u8s_desc);
  3076. real_rates = os_malloc(sizeof(u32) * rates_num);
  3077. if (!real_rates) {
  3078. os_free(ie_rates);
  3079. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
  3080. return FALSE;
  3081. }
  3082. for (i = 0; i < rates_num; i++)
  3083. real_rates[i] = ie_rates[i] * 500000;
  3084. success = wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_UINT32,
  3085. real_rates, rates_num,
  3086. error);
  3087. os_free(ie_rates);
  3088. os_free(real_rates);
  3089. return success;
  3090. }
  3091. static dbus_bool_t wpas_dbus_get_bss_security_prop(DBusMessageIter *iter,
  3092. struct wpa_ie_data *ie_data,
  3093. DBusError *error)
  3094. {
  3095. DBusMessageIter iter_dict, variant_iter;
  3096. const char *group;
  3097. const char *pairwise[5]; /* max 5 pairwise ciphers is supported */
  3098. const char *key_mgmt[7]; /* max 7 key managements may be supported */
  3099. int n;
  3100. if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
  3101. "a{sv}", &variant_iter))
  3102. goto nomem;
  3103. if (!wpa_dbus_dict_open_write(&variant_iter, &iter_dict))
  3104. goto nomem;
  3105. /* KeyMgmt */
  3106. n = 0;
  3107. if (ie_data->key_mgmt & WPA_KEY_MGMT_PSK)
  3108. key_mgmt[n++] = "wpa-psk";
  3109. if (ie_data->key_mgmt & WPA_KEY_MGMT_FT_PSK)
  3110. key_mgmt[n++] = "wpa-ft-psk";
  3111. if (ie_data->key_mgmt & WPA_KEY_MGMT_PSK_SHA256)
  3112. key_mgmt[n++] = "wpa-psk-sha256";
  3113. if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X)
  3114. key_mgmt[n++] = "wpa-eap";
  3115. if (ie_data->key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X)
  3116. key_mgmt[n++] = "wpa-ft-eap";
  3117. if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256)
  3118. key_mgmt[n++] = "wpa-eap-sha256";
  3119. if (ie_data->key_mgmt & WPA_KEY_MGMT_NONE)
  3120. key_mgmt[n++] = "wpa-none";
  3121. if (!wpa_dbus_dict_append_string_array(&iter_dict, "KeyMgmt",
  3122. key_mgmt, n))
  3123. goto nomem;
  3124. /* Group */
  3125. switch (ie_data->group_cipher) {
  3126. case WPA_CIPHER_WEP40:
  3127. group = "wep40";
  3128. break;
  3129. case WPA_CIPHER_TKIP:
  3130. group = "tkip";
  3131. break;
  3132. case WPA_CIPHER_CCMP:
  3133. group = "ccmp";
  3134. break;
  3135. case WPA_CIPHER_GCMP:
  3136. group = "gcmp";
  3137. break;
  3138. case WPA_CIPHER_WEP104:
  3139. group = "wep104";
  3140. break;
  3141. case WPA_CIPHER_CCMP_256:
  3142. group = "ccmp-256";
  3143. break;
  3144. case WPA_CIPHER_GCMP_256:
  3145. group = "gcmp-256";
  3146. break;
  3147. default:
  3148. group = "";
  3149. break;
  3150. }
  3151. if (!wpa_dbus_dict_append_string(&iter_dict, "Group", group))
  3152. goto nomem;
  3153. /* Pairwise */
  3154. n = 0;
  3155. if (ie_data->pairwise_cipher & WPA_CIPHER_TKIP)
  3156. pairwise[n++] = "tkip";
  3157. if (ie_data->pairwise_cipher & WPA_CIPHER_CCMP)
  3158. pairwise[n++] = "ccmp";
  3159. if (ie_data->pairwise_cipher & WPA_CIPHER_GCMP)
  3160. pairwise[n++] = "gcmp";
  3161. if (ie_data->pairwise_cipher & WPA_CIPHER_CCMP_256)
  3162. pairwise[n++] = "ccmp-256";
  3163. if (ie_data->pairwise_cipher & WPA_CIPHER_GCMP_256)
  3164. pairwise[n++] = "gcmp-256";
  3165. if (!wpa_dbus_dict_append_string_array(&iter_dict, "Pairwise",
  3166. pairwise, n))
  3167. goto nomem;
  3168. /* Management group (RSN only) */
  3169. if (ie_data->proto == WPA_PROTO_RSN) {
  3170. switch (ie_data->mgmt_group_cipher) {
  3171. #ifdef CONFIG_IEEE80211W
  3172. case WPA_CIPHER_AES_128_CMAC:
  3173. group = "aes128cmac";
  3174. break;
  3175. #endif /* CONFIG_IEEE80211W */
  3176. default:
  3177. group = "";
  3178. break;
  3179. }
  3180. if (!wpa_dbus_dict_append_string(&iter_dict, "MgmtGroup",
  3181. group))
  3182. goto nomem;
  3183. }
  3184. if (!wpa_dbus_dict_close_write(&variant_iter, &iter_dict))
  3185. goto nomem;
  3186. if (!dbus_message_iter_close_container(iter, &variant_iter))
  3187. goto nomem;
  3188. return TRUE;
  3189. nomem:
  3190. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
  3191. return FALSE;
  3192. }
  3193. /**
  3194. * wpas_dbus_getter_bss_wpa - Return the WPA options of a BSS
  3195. * @iter: Pointer to incoming dbus message iter
  3196. * @error: Location to store error on failure
  3197. * @user_data: Function specific data
  3198. * Returns: TRUE on success, FALSE on failure
  3199. *
  3200. * Getter for "WPA" property.
  3201. */
  3202. dbus_bool_t wpas_dbus_getter_bss_wpa(DBusMessageIter *iter, DBusError *error,
  3203. void *user_data)
  3204. {
  3205. struct bss_handler_args *args = user_data;
  3206. struct wpa_bss *res;
  3207. struct wpa_ie_data wpa_data;
  3208. const u8 *ie;
  3209. res = get_bss_helper(args, error, __func__);
  3210. if (!res)
  3211. return FALSE;
  3212. os_memset(&wpa_data, 0, sizeof(wpa_data));
  3213. ie = wpa_bss_get_vendor_ie(res, WPA_IE_VENDOR_TYPE);
  3214. if (ie) {
  3215. if (wpa_parse_wpa_ie(ie, 2 + ie[1], &wpa_data) < 0) {
  3216. dbus_set_error_const(error, DBUS_ERROR_FAILED,
  3217. "failed to parse WPA IE");
  3218. return FALSE;
  3219. }
  3220. }
  3221. return wpas_dbus_get_bss_security_prop(iter, &wpa_data, error);
  3222. }
  3223. /**
  3224. * wpas_dbus_getter_bss_rsn - Return the RSN options of a BSS
  3225. * @iter: Pointer to incoming dbus message iter
  3226. * @error: Location to store error on failure
  3227. * @user_data: Function specific data
  3228. * Returns: TRUE on success, FALSE on failure
  3229. *
  3230. * Getter for "RSN" property.
  3231. */
  3232. dbus_bool_t wpas_dbus_getter_bss_rsn(DBusMessageIter *iter, DBusError *error,
  3233. void *user_data)
  3234. {
  3235. struct bss_handler_args *args = user_data;
  3236. struct wpa_bss *res;
  3237. struct wpa_ie_data wpa_data;
  3238. const u8 *ie;
  3239. res = get_bss_helper(args, error, __func__);
  3240. if (!res)
  3241. return FALSE;
  3242. os_memset(&wpa_data, 0, sizeof(wpa_data));
  3243. ie = wpa_bss_get_ie(res, WLAN_EID_RSN);
  3244. if (ie) {
  3245. if (wpa_parse_wpa_ie(ie, 2 + ie[1], &wpa_data) < 0) {
  3246. dbus_set_error_const(error, DBUS_ERROR_FAILED,
  3247. "failed to parse RSN IE");
  3248. return FALSE;
  3249. }
  3250. }
  3251. return wpas_dbus_get_bss_security_prop(iter, &wpa_data, error);
  3252. }
  3253. /**
  3254. * wpas_dbus_getter_bss_wps - Return the WPS options of a BSS
  3255. * @iter: Pointer to incoming dbus message iter
  3256. * @error: Location to store error on failure
  3257. * @user_data: Function specific data
  3258. * Returns: TRUE on success, FALSE on failure
  3259. *
  3260. * Getter for "WPS" property.
  3261. */
  3262. dbus_bool_t wpas_dbus_getter_bss_wps(DBusMessageIter *iter, DBusError *error,
  3263. void *user_data)
  3264. {
  3265. struct bss_handler_args *args = user_data;
  3266. struct wpa_bss *res;
  3267. #ifdef CONFIG_WPS
  3268. struct wpabuf *wps_ie;
  3269. #endif /* CONFIG_WPS */
  3270. DBusMessageIter iter_dict, variant_iter;
  3271. const char *type = "";
  3272. res = get_bss_helper(args, error, __func__);
  3273. if (!res)
  3274. return FALSE;
  3275. if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
  3276. "a{sv}", &variant_iter))
  3277. goto nomem;
  3278. if (!wpa_dbus_dict_open_write(&variant_iter, &iter_dict))
  3279. goto nomem;
  3280. #ifdef CONFIG_WPS
  3281. wps_ie = wpa_bss_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE);
  3282. if (wps_ie) {
  3283. if (wps_is_selected_pbc_registrar(wps_ie))
  3284. type = "pbc";
  3285. else if (wps_is_selected_pin_registrar(wps_ie))
  3286. type = "pin";
  3287. }
  3288. #endif /* CONFIG_WPS */
  3289. if (!wpa_dbus_dict_append_string(&iter_dict, "Type", type))
  3290. goto nomem;
  3291. if (!wpa_dbus_dict_close_write(&variant_iter, &iter_dict))
  3292. goto nomem;
  3293. if (!dbus_message_iter_close_container(iter, &variant_iter))
  3294. goto nomem;
  3295. return TRUE;
  3296. nomem:
  3297. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
  3298. return FALSE;
  3299. }
  3300. /**
  3301. * wpas_dbus_getter_bss_ies - Return all IEs of a BSS
  3302. * @iter: Pointer to incoming dbus message iter
  3303. * @error: Location to store error on failure
  3304. * @user_data: Function specific data
  3305. * Returns: TRUE on success, FALSE on failure
  3306. *
  3307. * Getter for "IEs" property.
  3308. */
  3309. dbus_bool_t wpas_dbus_getter_bss_ies(DBusMessageIter *iter, DBusError *error,
  3310. void *user_data)
  3311. {
  3312. struct bss_handler_args *args = user_data;
  3313. struct wpa_bss *res;
  3314. res = get_bss_helper(args, error, __func__);
  3315. if (!res)
  3316. return FALSE;
  3317. return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
  3318. res + 1, res->ie_len,
  3319. error);
  3320. }
  3321. /**
  3322. * wpas_dbus_getter_enabled - Check whether network is enabled or disabled
  3323. * @iter: Pointer to incoming dbus message iter
  3324. * @error: Location to store error on failure
  3325. * @user_data: Function specific data
  3326. * Returns: TRUE on success, FALSE on failure
  3327. *
  3328. * Getter for "enabled" property of a configured network.
  3329. */
  3330. dbus_bool_t wpas_dbus_getter_enabled(DBusMessageIter *iter, DBusError *error,
  3331. void *user_data)
  3332. {
  3333. struct network_handler_args *net = user_data;
  3334. dbus_bool_t enabled = net->ssid->disabled ? FALSE : TRUE;
  3335. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
  3336. &enabled, error);
  3337. }
  3338. /**
  3339. * wpas_dbus_setter_enabled - Mark a configured network as enabled or disabled
  3340. * @iter: Pointer to incoming dbus message iter
  3341. * @error: Location to store error on failure
  3342. * @user_data: Function specific data
  3343. * Returns: TRUE on success, FALSE on failure
  3344. *
  3345. * Setter for "Enabled" property of a configured network.
  3346. */
  3347. dbus_bool_t wpas_dbus_setter_enabled(DBusMessageIter *iter, DBusError *error,
  3348. void *user_data)
  3349. {
  3350. struct network_handler_args *net = user_data;
  3351. struct wpa_supplicant *wpa_s;
  3352. struct wpa_ssid *ssid;
  3353. dbus_bool_t enable;
  3354. if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
  3355. &enable))
  3356. return FALSE;
  3357. wpa_s = net->wpa_s;
  3358. ssid = net->ssid;
  3359. if (enable)
  3360. wpa_supplicant_enable_network(wpa_s, ssid);
  3361. else
  3362. wpa_supplicant_disable_network(wpa_s, ssid);
  3363. return TRUE;
  3364. }
  3365. /**
  3366. * wpas_dbus_getter_network_properties - Get options for a configured network
  3367. * @iter: Pointer to incoming dbus message iter
  3368. * @error: Location to store error on failure
  3369. * @user_data: Function specific data
  3370. * Returns: TRUE on success, FALSE on failure
  3371. *
  3372. * Getter for "Properties" property of a configured network.
  3373. */
  3374. dbus_bool_t wpas_dbus_getter_network_properties(DBusMessageIter *iter,
  3375. DBusError *error,
  3376. void *user_data)
  3377. {
  3378. struct network_handler_args *net = user_data;
  3379. DBusMessageIter variant_iter, dict_iter;
  3380. char **iterator;
  3381. char **props = wpa_config_get_all(net->ssid, 1);
  3382. dbus_bool_t success = FALSE;
  3383. if (!props) {
  3384. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
  3385. return FALSE;
  3386. }
  3387. if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, "a{sv}",
  3388. &variant_iter) ||
  3389. !wpa_dbus_dict_open_write(&variant_iter, &dict_iter)) {
  3390. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
  3391. goto out;
  3392. }
  3393. iterator = props;
  3394. while (*iterator) {
  3395. if (!wpa_dbus_dict_append_string(&dict_iter, *iterator,
  3396. *(iterator + 1))) {
  3397. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
  3398. "no memory");
  3399. goto out;
  3400. }
  3401. iterator += 2;
  3402. }
  3403. if (!wpa_dbus_dict_close_write(&variant_iter, &dict_iter) ||
  3404. !dbus_message_iter_close_container(iter, &variant_iter)) {
  3405. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
  3406. goto out;
  3407. }
  3408. success = TRUE;
  3409. out:
  3410. iterator = props;
  3411. while (*iterator) {
  3412. os_free(*iterator);
  3413. iterator++;
  3414. }
  3415. os_free(props);
  3416. return success;
  3417. }
  3418. /**
  3419. * wpas_dbus_setter_network_properties - Set options for a configured network
  3420. * @iter: Pointer to incoming dbus message iter
  3421. * @error: Location to store error on failure
  3422. * @user_data: Function specific data
  3423. * Returns: TRUE on success, FALSE on failure
  3424. *
  3425. * Setter for "Properties" property of a configured network.
  3426. */
  3427. dbus_bool_t wpas_dbus_setter_network_properties(DBusMessageIter *iter,
  3428. DBusError *error,
  3429. void *user_data)
  3430. {
  3431. struct network_handler_args *net = user_data;
  3432. struct wpa_ssid *ssid = net->ssid;
  3433. DBusMessageIter variant_iter;
  3434. dbus_message_iter_recurse(iter, &variant_iter);
  3435. return set_network_properties(net->wpa_s, ssid, &variant_iter, error);
  3436. }
  3437. #ifdef CONFIG_AP
  3438. DBusMessage * wpas_dbus_handler_subscribe_preq(
  3439. DBusMessage *message, struct wpa_supplicant *wpa_s)
  3440. {
  3441. struct wpas_dbus_priv *priv = wpa_s->global->dbus;
  3442. char *name;
  3443. if (wpa_s->preq_notify_peer != NULL) {
  3444. if (os_strcmp(dbus_message_get_sender(message),
  3445. wpa_s->preq_notify_peer) == 0)
  3446. return NULL;
  3447. return dbus_message_new_error(message,
  3448. WPAS_DBUS_ERROR_SUBSCRIPTION_IN_USE,
  3449. "Another application is already subscribed");
  3450. }
  3451. name = os_strdup(dbus_message_get_sender(message));
  3452. if (!name)
  3453. return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
  3454. "out of memory");
  3455. wpa_s->preq_notify_peer = name;
  3456. /* Subscribe to clean up if application closes socket */
  3457. wpas_dbus_subscribe_noc(priv);
  3458. /*
  3459. * Double-check it's still alive to make sure that we didn't
  3460. * miss the NameOwnerChanged signal, e.g. while strdup'ing.
  3461. */
  3462. if (!dbus_bus_name_has_owner(priv->con, name, NULL)) {
  3463. /*
  3464. * Application no longer exists, clean up.
  3465. * The return value is irrelevant now.
  3466. *
  3467. * Need to check if the NameOwnerChanged handling
  3468. * already cleaned up because we have processed
  3469. * DBus messages while checking if the name still
  3470. * has an owner.
  3471. */
  3472. if (!wpa_s->preq_notify_peer)
  3473. return NULL;
  3474. os_free(wpa_s->preq_notify_peer);
  3475. wpa_s->preq_notify_peer = NULL;
  3476. wpas_dbus_unsubscribe_noc(priv);
  3477. }
  3478. return NULL;
  3479. }
  3480. DBusMessage * wpas_dbus_handler_unsubscribe_preq(
  3481. DBusMessage *message, struct wpa_supplicant *wpa_s)
  3482. {
  3483. struct wpas_dbus_priv *priv = wpa_s->global->dbus;
  3484. if (!wpa_s->preq_notify_peer)
  3485. return dbus_message_new_error(message,
  3486. WPAS_DBUS_ERROR_NO_SUBSCRIPTION,
  3487. "Not subscribed");
  3488. if (os_strcmp(wpa_s->preq_notify_peer,
  3489. dbus_message_get_sender(message)))
  3490. return dbus_message_new_error(message,
  3491. WPAS_DBUS_ERROR_SUBSCRIPTION_EPERM,
  3492. "Can't unsubscribe others");
  3493. os_free(wpa_s->preq_notify_peer);
  3494. wpa_s->preq_notify_peer = NULL;
  3495. wpas_dbus_unsubscribe_noc(priv);
  3496. return NULL;
  3497. }
  3498. void wpas_dbus_signal_preq(struct wpa_supplicant *wpa_s,
  3499. const u8 *addr, const u8 *dst, const u8 *bssid,
  3500. const u8 *ie, size_t ie_len, u32 ssi_signal)
  3501. {
  3502. DBusMessage *msg;
  3503. DBusMessageIter iter, dict_iter;
  3504. struct wpas_dbus_priv *priv = wpa_s->global->dbus;
  3505. /* Do nothing if the control interface is not turned on */
  3506. if (priv == NULL)
  3507. return;
  3508. if (wpa_s->preq_notify_peer == NULL)
  3509. return;
  3510. msg = dbus_message_new_signal(wpa_s->dbus_new_path,
  3511. WPAS_DBUS_NEW_IFACE_INTERFACE,
  3512. "ProbeRequest");
  3513. if (msg == NULL)
  3514. return;
  3515. dbus_message_set_destination(msg, wpa_s->preq_notify_peer);
  3516. dbus_message_iter_init_append(msg, &iter);
  3517. if (!wpa_dbus_dict_open_write(&iter, &dict_iter))
  3518. goto fail;
  3519. if (addr && !wpa_dbus_dict_append_byte_array(&dict_iter, "addr",
  3520. (const char *) addr,
  3521. ETH_ALEN))
  3522. goto fail;
  3523. if (dst && !wpa_dbus_dict_append_byte_array(&dict_iter, "dst",
  3524. (const char *) dst,
  3525. ETH_ALEN))
  3526. goto fail;
  3527. if (bssid && !wpa_dbus_dict_append_byte_array(&dict_iter, "bssid",
  3528. (const char *) bssid,
  3529. ETH_ALEN))
  3530. goto fail;
  3531. if (ie && ie_len && !wpa_dbus_dict_append_byte_array(&dict_iter, "ies",
  3532. (const char *) ie,
  3533. ie_len))
  3534. goto fail;
  3535. if (ssi_signal && !wpa_dbus_dict_append_int32(&dict_iter, "signal",
  3536. ssi_signal))
  3537. goto fail;
  3538. if (!wpa_dbus_dict_close_write(&iter, &dict_iter))
  3539. goto fail;
  3540. dbus_connection_send(priv->con, msg, NULL);
  3541. goto out;
  3542. fail:
  3543. wpa_printf(MSG_ERROR, "dbus: Failed to construct signal");
  3544. out:
  3545. dbus_message_unref(msg);
  3546. }
  3547. #endif /* CONFIG_AP */