dbus_new_handlers.c 125 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) 2009-2015, 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. #include "drivers/driver.h"
  29. static const char * const debug_strings[] = {
  30. "excessive", "msgdump", "debug", "info", "warning", "error", NULL
  31. };
  32. /**
  33. * wpas_dbus_error_unknown_error - Return a new UnknownError error message
  34. * @message: Pointer to incoming dbus message this error refers to
  35. * @arg: Optional string appended to error message
  36. * Returns: a dbus error message
  37. *
  38. * Convenience function to create and return an UnknownError
  39. */
  40. DBusMessage * wpas_dbus_error_unknown_error(DBusMessage *message,
  41. const char *arg)
  42. {
  43. return dbus_message_new_error(message, WPAS_DBUS_ERROR_UNKNOWN_ERROR,
  44. arg);
  45. }
  46. /**
  47. * wpas_dbus_error_iface_unknown - Return a new invalid interface error message
  48. * @message: Pointer to incoming dbus message this error refers to
  49. * Returns: A dbus error message
  50. *
  51. * Convenience function to create and return an invalid interface error
  52. */
  53. static DBusMessage * wpas_dbus_error_iface_unknown(DBusMessage *message)
  54. {
  55. return dbus_message_new_error(
  56. message, WPAS_DBUS_ERROR_IFACE_UNKNOWN,
  57. "wpa_supplicant knows nothing about this interface.");
  58. }
  59. /**
  60. * wpas_dbus_error_network_unknown - Return a new NetworkUnknown error message
  61. * @message: Pointer to incoming dbus message this error refers to
  62. * Returns: a dbus error message
  63. *
  64. * Convenience function to create and return an invalid network error
  65. */
  66. static DBusMessage * wpas_dbus_error_network_unknown(DBusMessage *message)
  67. {
  68. return dbus_message_new_error(
  69. message, WPAS_DBUS_ERROR_NETWORK_UNKNOWN,
  70. "There is no such a network in this interface.");
  71. }
  72. /**
  73. * wpas_dbus_error_invalid_args - Return a new InvalidArgs error message
  74. * @message: Pointer to incoming dbus message this error refers to
  75. * Returns: a dbus error message
  76. *
  77. * Convenience function to create and return an invalid options error
  78. */
  79. DBusMessage * wpas_dbus_error_invalid_args(DBusMessage *message,
  80. const char *arg)
  81. {
  82. DBusMessage *reply;
  83. reply = dbus_message_new_error(
  84. message, WPAS_DBUS_ERROR_INVALID_ARGS,
  85. "Did not receive correct message arguments.");
  86. if (arg != NULL)
  87. dbus_message_append_args(reply, DBUS_TYPE_STRING, &arg,
  88. DBUS_TYPE_INVALID);
  89. return reply;
  90. }
  91. /**
  92. * wpas_dbus_error_scan_error - Return a new ScanError error message
  93. * @message: Pointer to incoming dbus message this error refers to
  94. * @error: Optional string to be used as the error message
  95. * Returns: a dbus error message
  96. *
  97. * Convenience function to create and return a scan error
  98. */
  99. static DBusMessage * wpas_dbus_error_scan_error(DBusMessage *message,
  100. const char *error)
  101. {
  102. return dbus_message_new_error(message,
  103. WPAS_DBUS_ERROR_IFACE_SCAN_ERROR,
  104. error);
  105. }
  106. DBusMessage * wpas_dbus_error_no_memory(DBusMessage *message)
  107. {
  108. wpa_printf(MSG_DEBUG, "dbus: Failed to allocate memory");
  109. return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY, NULL);
  110. }
  111. static const char * const dont_quote[] = {
  112. "key_mgmt", "proto", "pairwise", "auth_alg", "group", "eap",
  113. "opensc_engine_path", "pkcs11_engine_path", "pkcs11_module_path",
  114. "bssid", "scan_freq", "freq_list", NULL
  115. };
  116. static dbus_bool_t should_quote_opt(const char *key)
  117. {
  118. int i = 0;
  119. while (dont_quote[i] != NULL) {
  120. if (os_strcmp(key, dont_quote[i]) == 0)
  121. return FALSE;
  122. i++;
  123. }
  124. return TRUE;
  125. }
  126. /**
  127. * get_iface_by_dbus_path - Get a new network interface
  128. * @global: Pointer to global data from wpa_supplicant_init()
  129. * @path: Pointer to a dbus object path representing an interface
  130. * Returns: Pointer to the interface or %NULL if not found
  131. */
  132. static struct wpa_supplicant * get_iface_by_dbus_path(
  133. struct wpa_global *global, const char *path)
  134. {
  135. struct wpa_supplicant *wpa_s;
  136. for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
  137. if (wpa_s->dbus_new_path &&
  138. os_strcmp(wpa_s->dbus_new_path, path) == 0)
  139. return wpa_s;
  140. }
  141. return NULL;
  142. }
  143. /**
  144. * set_network_properties - Set properties of a configured network
  145. * @wpa_s: wpa_supplicant structure for a network interface
  146. * @ssid: wpa_ssid structure for a configured network
  147. * @iter: DBus message iterator containing dictionary of network
  148. * properties to set.
  149. * @error: On failure, an error describing the failure
  150. * Returns: TRUE if the request succeeds, FALSE if it failed
  151. *
  152. * Sets network configuration with parameters given id DBus dictionary
  153. */
  154. dbus_bool_t set_network_properties(struct wpa_supplicant *wpa_s,
  155. struct wpa_ssid *ssid,
  156. DBusMessageIter *iter,
  157. DBusError *error)
  158. {
  159. struct wpa_dbus_dict_entry entry = { .type = DBUS_TYPE_STRING };
  160. DBusMessageIter iter_dict;
  161. char *value = NULL;
  162. if (!wpa_dbus_dict_open_read(iter, &iter_dict, error))
  163. return FALSE;
  164. while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
  165. size_t size = 50;
  166. int ret;
  167. if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
  168. goto error;
  169. value = NULL;
  170. if (entry.type == DBUS_TYPE_ARRAY &&
  171. entry.array_type == DBUS_TYPE_BYTE) {
  172. if (entry.array_len <= 0)
  173. goto error;
  174. size = entry.array_len * 2 + 1;
  175. value = os_zalloc(size);
  176. if (value == NULL)
  177. goto error;
  178. ret = wpa_snprintf_hex(value, size,
  179. (u8 *) entry.bytearray_value,
  180. entry.array_len);
  181. if (ret <= 0)
  182. goto error;
  183. } else if (entry.type == DBUS_TYPE_STRING) {
  184. if (should_quote_opt(entry.key)) {
  185. size = os_strlen(entry.str_value);
  186. if (size == 0)
  187. goto error;
  188. size += 3;
  189. value = os_zalloc(size);
  190. if (value == NULL)
  191. goto error;
  192. ret = os_snprintf(value, size, "\"%s\"",
  193. entry.str_value);
  194. if (os_snprintf_error(size, ret))
  195. goto error;
  196. } else {
  197. value = os_strdup(entry.str_value);
  198. if (value == NULL)
  199. goto error;
  200. }
  201. } else if (entry.type == DBUS_TYPE_UINT32) {
  202. value = os_zalloc(size);
  203. if (value == NULL)
  204. goto error;
  205. ret = os_snprintf(value, size, "%u",
  206. entry.uint32_value);
  207. if (os_snprintf_error(size, ret))
  208. goto error;
  209. } else if (entry.type == DBUS_TYPE_INT32) {
  210. value = os_zalloc(size);
  211. if (value == NULL)
  212. goto error;
  213. ret = os_snprintf(value, size, "%d",
  214. entry.int32_value);
  215. if (os_snprintf_error(size, ret))
  216. goto error;
  217. } else
  218. goto error;
  219. if (wpa_config_set(ssid, entry.key, value, 0) < 0)
  220. goto error;
  221. if (os_strcmp(entry.key, "bssid") != 0 &&
  222. os_strcmp(entry.key, "priority") != 0)
  223. wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
  224. if (wpa_s->current_ssid == ssid ||
  225. wpa_s->current_ssid == NULL) {
  226. /*
  227. * Invalidate the EAP session cache if anything in the
  228. * current or previously used configuration changes.
  229. */
  230. eapol_sm_invalidate_cached_session(wpa_s->eapol);
  231. }
  232. if ((os_strcmp(entry.key, "psk") == 0 &&
  233. value[0] == '"' && ssid->ssid_len) ||
  234. (os_strcmp(entry.key, "ssid") == 0 && ssid->passphrase))
  235. wpa_config_update_psk(ssid);
  236. else if (os_strcmp(entry.key, "priority") == 0)
  237. wpa_config_update_prio_list(wpa_s->conf);
  238. os_free(value);
  239. value = NULL;
  240. wpa_dbus_dict_entry_clear(&entry);
  241. }
  242. return TRUE;
  243. error:
  244. os_free(value);
  245. wpa_dbus_dict_entry_clear(&entry);
  246. dbus_set_error_const(error, DBUS_ERROR_INVALID_ARGS,
  247. "invalid message format");
  248. return FALSE;
  249. }
  250. /**
  251. * wpas_dbus_simple_property_getter - Get basic type property
  252. * @iter: Message iter to use when appending arguments
  253. * @type: DBus type of property (must be basic type)
  254. * @val: pointer to place holding property value
  255. * @error: On failure an error describing the failure
  256. * Returns: TRUE if the request was successful, FALSE if it failed
  257. *
  258. * Generic getter for basic type properties. Type is required to be basic.
  259. */
  260. dbus_bool_t wpas_dbus_simple_property_getter(DBusMessageIter *iter,
  261. const int type,
  262. const void *val,
  263. DBusError *error)
  264. {
  265. DBusMessageIter variant_iter;
  266. if (!dbus_type_is_basic(type)) {
  267. dbus_set_error(error, DBUS_ERROR_FAILED,
  268. "%s: given type is not basic", __func__);
  269. return FALSE;
  270. }
  271. if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
  272. wpa_dbus_type_as_string(type),
  273. &variant_iter) ||
  274. !dbus_message_iter_append_basic(&variant_iter, type, val) ||
  275. !dbus_message_iter_close_container(iter, &variant_iter)) {
  276. dbus_set_error(error, DBUS_ERROR_FAILED,
  277. "%s: error constructing reply", __func__);
  278. return FALSE;
  279. }
  280. return TRUE;
  281. }
  282. /**
  283. * wpas_dbus_simple_property_setter - Set basic type property
  284. * @message: Pointer to incoming dbus message
  285. * @type: DBus type of property (must be basic type)
  286. * @val: pointer to place where value being set will be stored
  287. * Returns: TRUE if the request was successful, FALSE if it failed
  288. *
  289. * Generic setter for basic type properties. Type is required to be basic.
  290. */
  291. dbus_bool_t wpas_dbus_simple_property_setter(DBusMessageIter *iter,
  292. DBusError *error,
  293. const int type, void *val)
  294. {
  295. DBusMessageIter variant_iter;
  296. if (!dbus_type_is_basic(type)) {
  297. dbus_set_error(error, DBUS_ERROR_FAILED,
  298. "%s: given type is not basic", __func__);
  299. return FALSE;
  300. }
  301. /* Look at the new value */
  302. dbus_message_iter_recurse(iter, &variant_iter);
  303. if (dbus_message_iter_get_arg_type(&variant_iter) != type) {
  304. dbus_set_error_const(error, DBUS_ERROR_FAILED,
  305. "wrong property type");
  306. return FALSE;
  307. }
  308. dbus_message_iter_get_basic(&variant_iter, val);
  309. return TRUE;
  310. }
  311. /**
  312. * wpas_dbus_simple_array_property_getter - Get array type property
  313. * @iter: Pointer to incoming dbus message iterator
  314. * @type: DBus type of property array elements (must be basic type)
  315. * @array: pointer to array of elements to put into response message
  316. * @array_len: length of above array
  317. * @error: a pointer to an error to fill on failure
  318. * Returns: TRUE if the request succeeded, FALSE if it failed
  319. *
  320. * Generic getter for array type properties. Array elements type is
  321. * required to be basic.
  322. */
  323. dbus_bool_t wpas_dbus_simple_array_property_getter(DBusMessageIter *iter,
  324. const int type,
  325. const void *array,
  326. size_t array_len,
  327. DBusError *error)
  328. {
  329. DBusMessageIter variant_iter, array_iter;
  330. char type_str[] = "a?"; /* ? will be replaced with subtype letter; */
  331. const char *sub_type_str;
  332. size_t element_size, i;
  333. if (!dbus_type_is_basic(type)) {
  334. dbus_set_error(error, DBUS_ERROR_FAILED,
  335. "%s: given type is not basic", __func__);
  336. return FALSE;
  337. }
  338. sub_type_str = wpa_dbus_type_as_string(type);
  339. type_str[1] = sub_type_str[0];
  340. if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
  341. type_str, &variant_iter) ||
  342. !dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
  343. sub_type_str, &array_iter)) {
  344. dbus_set_error(error, DBUS_ERROR_FAILED,
  345. "%s: failed to construct message", __func__);
  346. return FALSE;
  347. }
  348. switch (type) {
  349. case DBUS_TYPE_BYTE:
  350. case DBUS_TYPE_BOOLEAN:
  351. element_size = 1;
  352. break;
  353. case DBUS_TYPE_INT16:
  354. case DBUS_TYPE_UINT16:
  355. element_size = sizeof(uint16_t);
  356. break;
  357. case DBUS_TYPE_INT32:
  358. case DBUS_TYPE_UINT32:
  359. element_size = sizeof(uint32_t);
  360. break;
  361. case DBUS_TYPE_INT64:
  362. case DBUS_TYPE_UINT64:
  363. element_size = sizeof(uint64_t);
  364. break;
  365. case DBUS_TYPE_DOUBLE:
  366. element_size = sizeof(double);
  367. break;
  368. case DBUS_TYPE_STRING:
  369. case DBUS_TYPE_OBJECT_PATH:
  370. element_size = sizeof(char *);
  371. break;
  372. default:
  373. dbus_set_error(error, DBUS_ERROR_FAILED,
  374. "%s: unknown element type %d", __func__, type);
  375. return FALSE;
  376. }
  377. for (i = 0; i < array_len; i++) {
  378. if (!dbus_message_iter_append_basic(&array_iter, type,
  379. (const char *) array +
  380. i * element_size)) {
  381. dbus_set_error(error, DBUS_ERROR_FAILED,
  382. "%s: failed to construct message 2.5",
  383. __func__);
  384. return FALSE;
  385. }
  386. }
  387. if (!dbus_message_iter_close_container(&variant_iter, &array_iter) ||
  388. !dbus_message_iter_close_container(iter, &variant_iter)) {
  389. dbus_set_error(error, DBUS_ERROR_FAILED,
  390. "%s: failed to construct message 3", __func__);
  391. return FALSE;
  392. }
  393. return TRUE;
  394. }
  395. /**
  396. * wpas_dbus_simple_array_array_property_getter - Get array array type property
  397. * @iter: Pointer to incoming dbus message iterator
  398. * @type: DBus type of property array elements (must be basic type)
  399. * @array: pointer to array of elements to put into response message
  400. * @array_len: length of above array
  401. * @error: a pointer to an error to fill on failure
  402. * Returns: TRUE if the request succeeded, FALSE if it failed
  403. *
  404. * Generic getter for array type properties. Array elements type is
  405. * required to be basic.
  406. */
  407. dbus_bool_t wpas_dbus_simple_array_array_property_getter(DBusMessageIter *iter,
  408. const int type,
  409. struct wpabuf **array,
  410. size_t array_len,
  411. DBusError *error)
  412. {
  413. DBusMessageIter variant_iter, array_iter;
  414. char type_str[] = "aa?";
  415. char inner_type_str[] = "a?";
  416. const char *sub_type_str;
  417. size_t i;
  418. if (!dbus_type_is_basic(type)) {
  419. dbus_set_error(error, DBUS_ERROR_FAILED,
  420. "%s: given type is not basic", __func__);
  421. return FALSE;
  422. }
  423. sub_type_str = wpa_dbus_type_as_string(type);
  424. type_str[2] = sub_type_str[0];
  425. inner_type_str[1] = sub_type_str[0];
  426. if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
  427. type_str, &variant_iter) ||
  428. !dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
  429. inner_type_str, &array_iter)) {
  430. dbus_set_error(error, DBUS_ERROR_FAILED,
  431. "%s: failed to construct message", __func__);
  432. return FALSE;
  433. }
  434. for (i = 0; i < array_len && array[i]; i++) {
  435. wpa_dbus_dict_bin_array_add_element(&array_iter,
  436. wpabuf_head(array[i]),
  437. wpabuf_len(array[i]));
  438. }
  439. if (!dbus_message_iter_close_container(&variant_iter, &array_iter) ||
  440. !dbus_message_iter_close_container(iter, &variant_iter)) {
  441. dbus_set_error(error, DBUS_ERROR_FAILED,
  442. "%s: failed to close message", __func__);
  443. return FALSE;
  444. }
  445. return TRUE;
  446. }
  447. /**
  448. * wpas_dbus_handler_create_interface - Request registration of a network iface
  449. * @message: Pointer to incoming dbus message
  450. * @global: %wpa_supplicant global data structure
  451. * Returns: The object path of the new interface object,
  452. * or a dbus error message with more information
  453. *
  454. * Handler function for "CreateInterface" method call. Handles requests
  455. * by dbus clients to register a network interface that wpa_supplicant
  456. * will manage.
  457. */
  458. DBusMessage * wpas_dbus_handler_create_interface(DBusMessage *message,
  459. struct wpa_global *global)
  460. {
  461. DBusMessageIter iter_dict;
  462. DBusMessage *reply = NULL;
  463. DBusMessageIter iter;
  464. struct wpa_dbus_dict_entry entry;
  465. char *driver = NULL;
  466. char *ifname = NULL;
  467. char *confname = NULL;
  468. char *bridge_ifname = NULL;
  469. dbus_message_iter_init(message, &iter);
  470. if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
  471. goto error;
  472. while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
  473. if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
  474. goto error;
  475. if (os_strcmp(entry.key, "Driver") == 0 &&
  476. entry.type == DBUS_TYPE_STRING) {
  477. os_free(driver);
  478. driver = os_strdup(entry.str_value);
  479. wpa_dbus_dict_entry_clear(&entry);
  480. if (driver == NULL)
  481. goto oom;
  482. } else if (os_strcmp(entry.key, "Ifname") == 0 &&
  483. entry.type == DBUS_TYPE_STRING) {
  484. os_free(ifname);
  485. ifname = os_strdup(entry.str_value);
  486. wpa_dbus_dict_entry_clear(&entry);
  487. if (ifname == NULL)
  488. goto oom;
  489. } else if (os_strcmp(entry.key, "ConfigFile") == 0 &&
  490. entry.type == DBUS_TYPE_STRING) {
  491. os_free(confname);
  492. confname = os_strdup(entry.str_value);
  493. wpa_dbus_dict_entry_clear(&entry);
  494. if (confname == NULL)
  495. goto oom;
  496. } else if (os_strcmp(entry.key, "BridgeIfname") == 0 &&
  497. entry.type == DBUS_TYPE_STRING) {
  498. os_free(bridge_ifname);
  499. bridge_ifname = os_strdup(entry.str_value);
  500. wpa_dbus_dict_entry_clear(&entry);
  501. if (bridge_ifname == NULL)
  502. goto oom;
  503. } else {
  504. wpa_dbus_dict_entry_clear(&entry);
  505. goto error;
  506. }
  507. }
  508. if (ifname == NULL)
  509. goto error; /* Required Ifname argument missing */
  510. /*
  511. * Try to get the wpa_supplicant record for this iface, return
  512. * an error if we already control it.
  513. */
  514. if (wpa_supplicant_get_iface(global, ifname) != NULL) {
  515. reply = dbus_message_new_error(
  516. message, WPAS_DBUS_ERROR_IFACE_EXISTS,
  517. "wpa_supplicant already controls this interface.");
  518. } else {
  519. struct wpa_supplicant *wpa_s;
  520. struct wpa_interface iface;
  521. os_memset(&iface, 0, sizeof(iface));
  522. iface.driver = driver;
  523. iface.ifname = ifname;
  524. iface.confname = confname;
  525. iface.bridge_ifname = bridge_ifname;
  526. /* Otherwise, have wpa_supplicant attach to it. */
  527. wpa_s = wpa_supplicant_add_iface(global, &iface, NULL);
  528. if (wpa_s && wpa_s->dbus_new_path) {
  529. const char *path = wpa_s->dbus_new_path;
  530. reply = dbus_message_new_method_return(message);
  531. dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH,
  532. &path, DBUS_TYPE_INVALID);
  533. } else {
  534. reply = wpas_dbus_error_unknown_error(
  535. message,
  536. "wpa_supplicant couldn't grab this interface.");
  537. }
  538. }
  539. out:
  540. os_free(driver);
  541. os_free(ifname);
  542. os_free(confname);
  543. os_free(bridge_ifname);
  544. return reply;
  545. error:
  546. reply = wpas_dbus_error_invalid_args(message, NULL);
  547. goto out;
  548. oom:
  549. reply = wpas_dbus_error_no_memory(message);
  550. goto out;
  551. }
  552. /**
  553. * wpas_dbus_handler_remove_interface - Request deregistration of an interface
  554. * @message: Pointer to incoming dbus message
  555. * @global: wpa_supplicant global data structure
  556. * Returns: a dbus message containing a UINT32 indicating success (1) or
  557. * failure (0), or returns a dbus error message with more information
  558. *
  559. * Handler function for "removeInterface" method call. Handles requests
  560. * by dbus clients to deregister a network interface that wpa_supplicant
  561. * currently manages.
  562. */
  563. DBusMessage * wpas_dbus_handler_remove_interface(DBusMessage *message,
  564. struct wpa_global *global)
  565. {
  566. struct wpa_supplicant *wpa_s;
  567. char *path;
  568. DBusMessage *reply = NULL;
  569. dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &path,
  570. DBUS_TYPE_INVALID);
  571. wpa_s = get_iface_by_dbus_path(global, path);
  572. if (wpa_s == NULL)
  573. reply = wpas_dbus_error_iface_unknown(message);
  574. else if (wpa_supplicant_remove_iface(global, wpa_s, 0)) {
  575. reply = wpas_dbus_error_unknown_error(
  576. message,
  577. "wpa_supplicant couldn't remove this interface.");
  578. }
  579. return reply;
  580. }
  581. /**
  582. * wpas_dbus_handler_get_interface - Get the object path for an interface name
  583. * @message: Pointer to incoming dbus message
  584. * @global: %wpa_supplicant global data structure
  585. * Returns: The object path of the interface object,
  586. * or a dbus error message with more information
  587. *
  588. * Handler function for "getInterface" method call.
  589. */
  590. DBusMessage * wpas_dbus_handler_get_interface(DBusMessage *message,
  591. struct wpa_global *global)
  592. {
  593. DBusMessage *reply = NULL;
  594. const char *ifname;
  595. const char *path;
  596. struct wpa_supplicant *wpa_s;
  597. dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &ifname,
  598. DBUS_TYPE_INVALID);
  599. wpa_s = wpa_supplicant_get_iface(global, ifname);
  600. if (wpa_s == NULL || wpa_s->dbus_new_path == NULL)
  601. return wpas_dbus_error_iface_unknown(message);
  602. path = wpa_s->dbus_new_path;
  603. reply = dbus_message_new_method_return(message);
  604. if (reply == NULL)
  605. return wpas_dbus_error_no_memory(message);
  606. if (!dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &path,
  607. DBUS_TYPE_INVALID)) {
  608. dbus_message_unref(reply);
  609. return wpas_dbus_error_no_memory(message);
  610. }
  611. return reply;
  612. }
  613. /**
  614. * wpas_dbus_getter_debug_level - Get debug level
  615. * @iter: Pointer to incoming dbus message iter
  616. * @error: Location to store error on failure
  617. * @user_data: Function specific data
  618. * Returns: TRUE on success, FALSE on failure
  619. *
  620. * Getter for "DebugLevel" property.
  621. */
  622. dbus_bool_t wpas_dbus_getter_debug_level(
  623. const struct wpa_dbus_property_desc *property_desc,
  624. DBusMessageIter *iter, DBusError *error, void *user_data)
  625. {
  626. const char *str;
  627. int idx = wpa_debug_level;
  628. if (idx < 0)
  629. idx = 0;
  630. if (idx > 5)
  631. idx = 5;
  632. str = debug_strings[idx];
  633. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
  634. &str, error);
  635. }
  636. /**
  637. * wpas_dbus_getter_debug_timestamp - Get debug timestamp
  638. * @iter: Pointer to incoming dbus message iter
  639. * @error: Location to store error on failure
  640. * @user_data: Function specific data
  641. * Returns: TRUE on success, FALSE on failure
  642. *
  643. * Getter for "DebugTimestamp" property.
  644. */
  645. dbus_bool_t wpas_dbus_getter_debug_timestamp(
  646. const struct wpa_dbus_property_desc *property_desc,
  647. DBusMessageIter *iter, DBusError *error, void *user_data)
  648. {
  649. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
  650. &wpa_debug_timestamp, error);
  651. }
  652. /**
  653. * wpas_dbus_getter_debug_show_keys - Get debug show keys
  654. * @iter: Pointer to incoming dbus message iter
  655. * @error: Location to store error on failure
  656. * @user_data: Function specific data
  657. * Returns: TRUE on success, FALSE on failure
  658. *
  659. * Getter for "DebugShowKeys" property.
  660. */
  661. dbus_bool_t wpas_dbus_getter_debug_show_keys(
  662. const struct wpa_dbus_property_desc *property_desc,
  663. DBusMessageIter *iter, DBusError *error, void *user_data)
  664. {
  665. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
  666. &wpa_debug_show_keys, error);
  667. }
  668. /**
  669. * wpas_dbus_setter_debug_level - Set debug level
  670. * @iter: Pointer to incoming dbus message iter
  671. * @error: Location to store error on failure
  672. * @user_data: Function specific data
  673. * Returns: TRUE on success, FALSE on failure
  674. *
  675. * Setter for "DebugLevel" property.
  676. */
  677. dbus_bool_t wpas_dbus_setter_debug_level(
  678. const struct wpa_dbus_property_desc *property_desc,
  679. DBusMessageIter *iter, DBusError *error, void *user_data)
  680. {
  681. struct wpa_global *global = user_data;
  682. const char *str = NULL;
  683. int i, val = -1;
  684. if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_STRING,
  685. &str))
  686. return FALSE;
  687. for (i = 0; debug_strings[i]; i++)
  688. if (os_strcmp(debug_strings[i], str) == 0) {
  689. val = i;
  690. break;
  691. }
  692. if (val < 0 ||
  693. wpa_supplicant_set_debug_params(global, val, wpa_debug_timestamp,
  694. wpa_debug_show_keys)) {
  695. dbus_set_error_const(error, DBUS_ERROR_FAILED,
  696. "wrong debug level value");
  697. return FALSE;
  698. }
  699. return TRUE;
  700. }
  701. /**
  702. * wpas_dbus_setter_debug_timestamp - Set debug timestamp
  703. * @iter: Pointer to incoming dbus message iter
  704. * @error: Location to store error on failure
  705. * @user_data: Function specific data
  706. * Returns: TRUE on success, FALSE on failure
  707. *
  708. * Setter for "DebugTimestamp" property.
  709. */
  710. dbus_bool_t wpas_dbus_setter_debug_timestamp(
  711. const struct wpa_dbus_property_desc *property_desc,
  712. DBusMessageIter *iter, DBusError *error, void *user_data)
  713. {
  714. struct wpa_global *global = user_data;
  715. dbus_bool_t val;
  716. if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
  717. &val))
  718. return FALSE;
  719. wpa_supplicant_set_debug_params(global, wpa_debug_level, val ? 1 : 0,
  720. wpa_debug_show_keys);
  721. return TRUE;
  722. }
  723. /**
  724. * wpas_dbus_setter_debug_show_keys - Set debug show keys
  725. * @iter: Pointer to incoming dbus message iter
  726. * @error: Location to store error on failure
  727. * @user_data: Function specific data
  728. * Returns: TRUE on success, FALSE on failure
  729. *
  730. * Setter for "DebugShowKeys" property.
  731. */
  732. dbus_bool_t wpas_dbus_setter_debug_show_keys(
  733. const struct wpa_dbus_property_desc *property_desc,
  734. DBusMessageIter *iter, DBusError *error, void *user_data)
  735. {
  736. struct wpa_global *global = user_data;
  737. dbus_bool_t val;
  738. if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
  739. &val))
  740. return FALSE;
  741. wpa_supplicant_set_debug_params(global, wpa_debug_level,
  742. wpa_debug_timestamp,
  743. val ? 1 : 0);
  744. return TRUE;
  745. }
  746. /**
  747. * wpas_dbus_getter_interfaces - Request registered interfaces list
  748. * @iter: Pointer to incoming dbus message iter
  749. * @error: Location to store error on failure
  750. * @user_data: Function specific data
  751. * Returns: TRUE on success, FALSE on failure
  752. *
  753. * Getter for "Interfaces" property. Handles requests
  754. * by dbus clients to return list of registered interfaces objects
  755. * paths
  756. */
  757. dbus_bool_t wpas_dbus_getter_interfaces(
  758. const struct wpa_dbus_property_desc *property_desc,
  759. DBusMessageIter *iter, DBusError *error, void *user_data)
  760. {
  761. struct wpa_global *global = user_data;
  762. struct wpa_supplicant *wpa_s;
  763. const char **paths;
  764. unsigned int i = 0, num = 0;
  765. dbus_bool_t success;
  766. for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
  767. if (wpa_s->dbus_new_path)
  768. num++;
  769. }
  770. paths = os_calloc(num, sizeof(char *));
  771. if (!paths) {
  772. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
  773. return FALSE;
  774. }
  775. for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
  776. if (wpa_s->dbus_new_path)
  777. paths[i++] = wpa_s->dbus_new_path;
  778. }
  779. success = wpas_dbus_simple_array_property_getter(iter,
  780. DBUS_TYPE_OBJECT_PATH,
  781. paths, num, error);
  782. os_free(paths);
  783. return success;
  784. }
  785. /**
  786. * wpas_dbus_getter_eap_methods - Request supported EAP methods list
  787. * @iter: Pointer to incoming dbus message iter
  788. * @error: Location to store error on failure
  789. * @user_data: Function specific data
  790. * Returns: TRUE on success, FALSE on failure
  791. *
  792. * Getter for "EapMethods" property. Handles requests
  793. * by dbus clients to return list of strings with supported EAP methods
  794. */
  795. dbus_bool_t wpas_dbus_getter_eap_methods(
  796. const struct wpa_dbus_property_desc *property_desc,
  797. DBusMessageIter *iter, DBusError *error, void *user_data)
  798. {
  799. char **eap_methods;
  800. size_t num_items = 0;
  801. dbus_bool_t success;
  802. eap_methods = eap_get_names_as_string_array(&num_items);
  803. if (!eap_methods) {
  804. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
  805. return FALSE;
  806. }
  807. success = wpas_dbus_simple_array_property_getter(iter,
  808. DBUS_TYPE_STRING,
  809. eap_methods,
  810. num_items, error);
  811. while (num_items)
  812. os_free(eap_methods[--num_items]);
  813. os_free(eap_methods);
  814. return success;
  815. }
  816. /**
  817. * wpas_dbus_getter_global_capabilities - Request supported global capabilities
  818. * @iter: Pointer to incoming dbus message iter
  819. * @error: Location to store error on failure
  820. * @user_data: Function specific data
  821. * Returns: TRUE on success, FALSE on failure
  822. *
  823. * Getter for "Capabilities" property. Handles requests by dbus clients to
  824. * return a list of strings with supported capabilities like AP, RSN IBSS,
  825. * and P2P that are determined at compile time.
  826. */
  827. dbus_bool_t wpas_dbus_getter_global_capabilities(
  828. const struct wpa_dbus_property_desc *property_desc,
  829. DBusMessageIter *iter, DBusError *error, void *user_data)
  830. {
  831. const char *capabilities[5] = { NULL, NULL, NULL, NULL, NULL };
  832. size_t num_items = 0;
  833. #ifdef CONFIG_AP
  834. capabilities[num_items++] = "ap";
  835. #endif /* CONFIG_AP */
  836. #ifdef CONFIG_IBSS_RSN
  837. capabilities[num_items++] = "ibss-rsn";
  838. #endif /* CONFIG_IBSS_RSN */
  839. #ifdef CONFIG_P2P
  840. capabilities[num_items++] = "p2p";
  841. #endif /* CONFIG_P2P */
  842. #ifdef CONFIG_INTERWORKING
  843. capabilities[num_items++] = "interworking";
  844. #endif /* CONFIG_INTERWORKING */
  845. return wpas_dbus_simple_array_property_getter(iter,
  846. DBUS_TYPE_STRING,
  847. capabilities,
  848. num_items, error);
  849. }
  850. static int wpas_dbus_get_scan_type(DBusMessage *message, DBusMessageIter *var,
  851. char **type, DBusMessage **reply)
  852. {
  853. if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_STRING) {
  854. wpa_printf(MSG_DEBUG, "%s[dbus]: Type must be a string",
  855. __func__);
  856. *reply = wpas_dbus_error_invalid_args(
  857. message, "Wrong Type value type. String required");
  858. return -1;
  859. }
  860. dbus_message_iter_get_basic(var, type);
  861. return 0;
  862. }
  863. static int wpas_dbus_get_scan_ssids(DBusMessage *message, DBusMessageIter *var,
  864. struct wpa_driver_scan_params *params,
  865. DBusMessage **reply)
  866. {
  867. struct wpa_driver_scan_ssid *ssids = params->ssids;
  868. size_t ssids_num = 0;
  869. u8 *ssid;
  870. DBusMessageIter array_iter, sub_array_iter;
  871. char *val;
  872. int len;
  873. if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) {
  874. wpa_printf(MSG_DEBUG,
  875. "%s[dbus]: ssids must be an array of arrays of bytes",
  876. __func__);
  877. *reply = wpas_dbus_error_invalid_args(
  878. message,
  879. "Wrong SSIDs value type. Array of arrays of bytes required");
  880. return -1;
  881. }
  882. dbus_message_iter_recurse(var, &array_iter);
  883. if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_ARRAY ||
  884. dbus_message_iter_get_element_type(&array_iter) != DBUS_TYPE_BYTE) {
  885. wpa_printf(MSG_DEBUG,
  886. "%s[dbus]: ssids must be an array of arrays of bytes",
  887. __func__);
  888. *reply = wpas_dbus_error_invalid_args(
  889. message,
  890. "Wrong SSIDs value type. Array of arrays of bytes required");
  891. return -1;
  892. }
  893. while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_ARRAY) {
  894. if (ssids_num >= WPAS_MAX_SCAN_SSIDS) {
  895. wpa_printf(MSG_DEBUG,
  896. "%s[dbus]: Too many ssids specified on scan dbus call",
  897. __func__);
  898. *reply = wpas_dbus_error_invalid_args(
  899. message,
  900. "Too many ssids specified. Specify at most four");
  901. return -1;
  902. }
  903. dbus_message_iter_recurse(&array_iter, &sub_array_iter);
  904. dbus_message_iter_get_fixed_array(&sub_array_iter, &val, &len);
  905. if (len > SSID_MAX_LEN) {
  906. wpa_printf(MSG_DEBUG,
  907. "%s[dbus]: SSID too long (len=%d max_len=%d)",
  908. __func__, len, SSID_MAX_LEN);
  909. *reply = wpas_dbus_error_invalid_args(
  910. message, "Invalid SSID: too long");
  911. return -1;
  912. }
  913. if (len != 0) {
  914. ssid = os_malloc(len);
  915. if (ssid == NULL) {
  916. *reply = wpas_dbus_error_no_memory(message);
  917. return -1;
  918. }
  919. os_memcpy(ssid, val, len);
  920. } else {
  921. /* Allow zero-length SSIDs */
  922. ssid = NULL;
  923. }
  924. ssids[ssids_num].ssid = ssid;
  925. ssids[ssids_num].ssid_len = len;
  926. dbus_message_iter_next(&array_iter);
  927. ssids_num++;
  928. }
  929. params->num_ssids = ssids_num;
  930. return 0;
  931. }
  932. static int wpas_dbus_get_scan_ies(DBusMessage *message, DBusMessageIter *var,
  933. struct wpa_driver_scan_params *params,
  934. DBusMessage **reply)
  935. {
  936. u8 *ies = NULL, *nies;
  937. int ies_len = 0;
  938. DBusMessageIter array_iter, sub_array_iter;
  939. char *val;
  940. int len;
  941. if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) {
  942. wpa_printf(MSG_DEBUG,
  943. "%s[dbus]: ies must be an array of arrays of bytes",
  944. __func__);
  945. *reply = wpas_dbus_error_invalid_args(
  946. message,
  947. "Wrong IEs value type. Array of arrays of bytes required");
  948. return -1;
  949. }
  950. dbus_message_iter_recurse(var, &array_iter);
  951. if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_ARRAY ||
  952. dbus_message_iter_get_element_type(&array_iter) != DBUS_TYPE_BYTE) {
  953. wpa_printf(MSG_DEBUG,
  954. "%s[dbus]: ies must be an array of arrays of bytes",
  955. __func__);
  956. *reply = wpas_dbus_error_invalid_args(
  957. message, "Wrong IEs value type. Array required");
  958. return -1;
  959. }
  960. while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_ARRAY) {
  961. dbus_message_iter_recurse(&array_iter, &sub_array_iter);
  962. dbus_message_iter_get_fixed_array(&sub_array_iter, &val, &len);
  963. if (len == 0) {
  964. dbus_message_iter_next(&array_iter);
  965. continue;
  966. }
  967. nies = os_realloc(ies, ies_len + len);
  968. if (nies == NULL) {
  969. os_free(ies);
  970. *reply = wpas_dbus_error_no_memory(message);
  971. return -1;
  972. }
  973. ies = nies;
  974. os_memcpy(ies + ies_len, val, len);
  975. ies_len += len;
  976. dbus_message_iter_next(&array_iter);
  977. }
  978. params->extra_ies = ies;
  979. params->extra_ies_len = ies_len;
  980. return 0;
  981. }
  982. static int wpas_dbus_get_scan_channels(DBusMessage *message,
  983. DBusMessageIter *var,
  984. struct wpa_driver_scan_params *params,
  985. DBusMessage **reply)
  986. {
  987. DBusMessageIter array_iter, sub_array_iter;
  988. int *freqs = NULL, *nfreqs;
  989. int freqs_num = 0;
  990. if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) {
  991. wpa_printf(MSG_DEBUG,
  992. "%s[dbus]: Channels must be an array of structs",
  993. __func__);
  994. *reply = wpas_dbus_error_invalid_args(
  995. message,
  996. "Wrong Channels value type. Array of structs required");
  997. return -1;
  998. }
  999. dbus_message_iter_recurse(var, &array_iter);
  1000. if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_STRUCT) {
  1001. wpa_printf(MSG_DEBUG,
  1002. "%s[dbus]: Channels must be an array of structs",
  1003. __func__);
  1004. *reply = wpas_dbus_error_invalid_args(
  1005. message,
  1006. "Wrong Channels value type. Array of structs required");
  1007. return -1;
  1008. }
  1009. while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_STRUCT)
  1010. {
  1011. int freq, width;
  1012. dbus_message_iter_recurse(&array_iter, &sub_array_iter);
  1013. if (dbus_message_iter_get_arg_type(&sub_array_iter) !=
  1014. DBUS_TYPE_UINT32) {
  1015. wpa_printf(MSG_DEBUG,
  1016. "%s[dbus]: Channel must by specified by struct of two UINT32s %c",
  1017. __func__,
  1018. dbus_message_iter_get_arg_type(
  1019. &sub_array_iter));
  1020. *reply = wpas_dbus_error_invalid_args(
  1021. message,
  1022. "Wrong Channel struct. Two UINT32s required");
  1023. os_free(freqs);
  1024. return -1;
  1025. }
  1026. dbus_message_iter_get_basic(&sub_array_iter, &freq);
  1027. if (!dbus_message_iter_next(&sub_array_iter) ||
  1028. dbus_message_iter_get_arg_type(&sub_array_iter) !=
  1029. DBUS_TYPE_UINT32) {
  1030. wpa_printf(MSG_DEBUG,
  1031. "%s[dbus]: Channel must by specified by struct of two UINT32s",
  1032. __func__);
  1033. *reply = wpas_dbus_error_invalid_args(
  1034. message,
  1035. "Wrong Channel struct. Two UINT32s required");
  1036. os_free(freqs);
  1037. return -1;
  1038. }
  1039. dbus_message_iter_get_basic(&sub_array_iter, &width);
  1040. #define FREQS_ALLOC_CHUNK 32
  1041. if (freqs_num % FREQS_ALLOC_CHUNK == 0) {
  1042. nfreqs = os_realloc_array(
  1043. freqs, freqs_num + FREQS_ALLOC_CHUNK,
  1044. sizeof(int));
  1045. if (nfreqs == NULL)
  1046. os_free(freqs);
  1047. freqs = nfreqs;
  1048. }
  1049. if (freqs == NULL) {
  1050. *reply = wpas_dbus_error_no_memory(message);
  1051. return -1;
  1052. }
  1053. freqs[freqs_num] = freq;
  1054. freqs_num++;
  1055. dbus_message_iter_next(&array_iter);
  1056. }
  1057. nfreqs = os_realloc_array(freqs, freqs_num + 1, sizeof(int));
  1058. if (nfreqs == NULL)
  1059. os_free(freqs);
  1060. freqs = nfreqs;
  1061. if (freqs == NULL) {
  1062. *reply = wpas_dbus_error_no_memory(message);
  1063. return -1;
  1064. }
  1065. freqs[freqs_num] = 0;
  1066. params->freqs = freqs;
  1067. return 0;
  1068. }
  1069. static int wpas_dbus_get_scan_allow_roam(DBusMessage *message,
  1070. DBusMessageIter *var,
  1071. dbus_bool_t *allow,
  1072. DBusMessage **reply)
  1073. {
  1074. if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_BOOLEAN) {
  1075. wpa_printf(MSG_DEBUG, "%s[dbus]: Type must be a boolean",
  1076. __func__);
  1077. *reply = wpas_dbus_error_invalid_args(
  1078. message, "Wrong Type value type. Boolean required");
  1079. return -1;
  1080. }
  1081. dbus_message_iter_get_basic(var, allow);
  1082. return 0;
  1083. }
  1084. /**
  1085. * wpas_dbus_handler_scan - Request a wireless scan on an interface
  1086. * @message: Pointer to incoming dbus message
  1087. * @wpa_s: wpa_supplicant structure for a network interface
  1088. * Returns: NULL indicating success or DBus error message on failure
  1089. *
  1090. * Handler function for "Scan" method call of a network device. Requests
  1091. * that wpa_supplicant perform a wireless scan as soon as possible
  1092. * on a particular wireless interface.
  1093. */
  1094. DBusMessage * wpas_dbus_handler_scan(DBusMessage *message,
  1095. struct wpa_supplicant *wpa_s)
  1096. {
  1097. DBusMessage *reply = NULL;
  1098. DBusMessageIter iter, dict_iter, entry_iter, variant_iter;
  1099. char *key = NULL, *type = NULL;
  1100. struct wpa_driver_scan_params params;
  1101. size_t i;
  1102. dbus_bool_t allow_roam = 1;
  1103. os_memset(&params, 0, sizeof(params));
  1104. dbus_message_iter_init(message, &iter);
  1105. dbus_message_iter_recurse(&iter, &dict_iter);
  1106. while (dbus_message_iter_get_arg_type(&dict_iter) ==
  1107. DBUS_TYPE_DICT_ENTRY) {
  1108. dbus_message_iter_recurse(&dict_iter, &entry_iter);
  1109. dbus_message_iter_get_basic(&entry_iter, &key);
  1110. dbus_message_iter_next(&entry_iter);
  1111. dbus_message_iter_recurse(&entry_iter, &variant_iter);
  1112. if (os_strcmp(key, "Type") == 0) {
  1113. if (wpas_dbus_get_scan_type(message, &variant_iter,
  1114. &type, &reply) < 0)
  1115. goto out;
  1116. } else if (os_strcmp(key, "SSIDs") == 0) {
  1117. if (wpas_dbus_get_scan_ssids(message, &variant_iter,
  1118. &params, &reply) < 0)
  1119. goto out;
  1120. } else if (os_strcmp(key, "IEs") == 0) {
  1121. if (wpas_dbus_get_scan_ies(message, &variant_iter,
  1122. &params, &reply) < 0)
  1123. goto out;
  1124. } else if (os_strcmp(key, "Channels") == 0) {
  1125. if (wpas_dbus_get_scan_channels(message, &variant_iter,
  1126. &params, &reply) < 0)
  1127. goto out;
  1128. } else if (os_strcmp(key, "AllowRoam") == 0) {
  1129. if (wpas_dbus_get_scan_allow_roam(message,
  1130. &variant_iter,
  1131. &allow_roam,
  1132. &reply) < 0)
  1133. goto out;
  1134. } else {
  1135. wpa_printf(MSG_DEBUG, "%s[dbus]: Unknown argument %s",
  1136. __func__, key);
  1137. reply = wpas_dbus_error_invalid_args(message, key);
  1138. goto out;
  1139. }
  1140. dbus_message_iter_next(&dict_iter);
  1141. }
  1142. if (!type) {
  1143. wpa_printf(MSG_DEBUG, "%s[dbus]: Scan type not specified",
  1144. __func__);
  1145. reply = wpas_dbus_error_invalid_args(message, key);
  1146. goto out;
  1147. }
  1148. if (os_strcmp(type, "passive") == 0) {
  1149. if (params.num_ssids || params.extra_ies_len) {
  1150. wpa_printf(MSG_DEBUG,
  1151. "%s[dbus]: SSIDs or IEs specified for passive scan.",
  1152. __func__);
  1153. reply = wpas_dbus_error_invalid_args(
  1154. message,
  1155. "You can specify only Channels in passive scan");
  1156. goto out;
  1157. } else {
  1158. if (wpa_s->sched_scanning) {
  1159. wpa_printf(MSG_DEBUG,
  1160. "%s[dbus]: Stop ongoing sched_scan to allow requested scan to proceed",
  1161. __func__);
  1162. wpa_supplicant_cancel_sched_scan(wpa_s);
  1163. }
  1164. if (params.freqs && params.freqs[0]) {
  1165. wpa_s->last_scan_req = MANUAL_SCAN_REQ;
  1166. if (wpa_supplicant_trigger_scan(wpa_s,
  1167. &params)) {
  1168. reply = wpas_dbus_error_scan_error(
  1169. message,
  1170. "Scan request rejected");
  1171. }
  1172. } else {
  1173. wpa_s->scan_req = MANUAL_SCAN_REQ;
  1174. wpa_supplicant_req_scan(wpa_s, 0, 0);
  1175. }
  1176. }
  1177. } else if (os_strcmp(type, "active") == 0) {
  1178. if (!params.num_ssids) {
  1179. /* Add wildcard ssid */
  1180. params.num_ssids++;
  1181. }
  1182. #ifdef CONFIG_AUTOSCAN
  1183. autoscan_deinit(wpa_s);
  1184. #endif /* CONFIG_AUTOSCAN */
  1185. if (wpa_s->sched_scanning) {
  1186. wpa_printf(MSG_DEBUG,
  1187. "%s[dbus]: Stop ongoing sched_scan to allow requested scan to proceed",
  1188. __func__);
  1189. wpa_supplicant_cancel_sched_scan(wpa_s);
  1190. }
  1191. wpa_s->last_scan_req = MANUAL_SCAN_REQ;
  1192. if (wpa_supplicant_trigger_scan(wpa_s, &params)) {
  1193. reply = wpas_dbus_error_scan_error(
  1194. message, "Scan request rejected");
  1195. }
  1196. } else {
  1197. wpa_printf(MSG_DEBUG, "%s[dbus]: Unknown scan type: %s",
  1198. __func__, type);
  1199. reply = wpas_dbus_error_invalid_args(message,
  1200. "Wrong scan type");
  1201. goto out;
  1202. }
  1203. if (!allow_roam)
  1204. wpa_s->scan_res_handler = scan_only_handler;
  1205. out:
  1206. for (i = 0; i < WPAS_MAX_SCAN_SSIDS; i++)
  1207. os_free((u8 *) params.ssids[i].ssid);
  1208. os_free((u8 *) params.extra_ies);
  1209. os_free(params.freqs);
  1210. return reply;
  1211. }
  1212. /**
  1213. * wpas_dbus_handler_signal_poll - Request immediate signal properties
  1214. * @message: Pointer to incoming dbus message
  1215. * @wpa_s: wpa_supplicant structure for a network interface
  1216. * Returns: NULL indicating success or DBus error message on failure
  1217. *
  1218. * Handler function for "SignalPoll" method call of a network device. Requests
  1219. * that wpa_supplicant read signal properties like RSSI, noise, and link
  1220. * speed and return them.
  1221. */
  1222. DBusMessage * wpas_dbus_handler_signal_poll(DBusMessage *message,
  1223. struct wpa_supplicant *wpa_s)
  1224. {
  1225. struct wpa_signal_info si;
  1226. DBusMessage *reply = NULL;
  1227. DBusMessageIter iter, iter_dict, variant_iter;
  1228. int ret;
  1229. ret = wpa_drv_signal_poll(wpa_s, &si);
  1230. if (ret) {
  1231. return dbus_message_new_error(message, DBUS_ERROR_FAILED,
  1232. "Failed to read signal");
  1233. }
  1234. reply = dbus_message_new_method_return(message);
  1235. if (reply == NULL)
  1236. goto nomem;
  1237. dbus_message_iter_init_append(reply, &iter);
  1238. if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT,
  1239. "a{sv}", &variant_iter) ||
  1240. !wpa_dbus_dict_open_write(&variant_iter, &iter_dict) ||
  1241. !wpa_dbus_dict_append_int32(&iter_dict, "rssi",
  1242. si.current_signal) ||
  1243. !wpa_dbus_dict_append_int32(&iter_dict, "linkspeed",
  1244. si.current_txrate / 1000) ||
  1245. !wpa_dbus_dict_append_int32(&iter_dict, "noise",
  1246. si.current_noise) ||
  1247. !wpa_dbus_dict_append_uint32(&iter_dict, "frequency",
  1248. si.frequency) ||
  1249. (si.chanwidth != CHAN_WIDTH_UNKNOWN &&
  1250. !wpa_dbus_dict_append_string(
  1251. &iter_dict, "width",
  1252. channel_width_to_string(si.chanwidth))) ||
  1253. (si.center_frq1 > 0 && si.center_frq2 > 0 &&
  1254. (!wpa_dbus_dict_append_int32(&iter_dict, "center-frq1",
  1255. si.center_frq1) ||
  1256. !wpa_dbus_dict_append_int32(&iter_dict, "center-frq2",
  1257. si.center_frq2))) ||
  1258. (si.avg_signal &&
  1259. !wpa_dbus_dict_append_int32(&iter_dict, "avg-rssi",
  1260. si.avg_signal)) ||
  1261. !wpa_dbus_dict_close_write(&variant_iter, &iter_dict) ||
  1262. !dbus_message_iter_close_container(&iter, &variant_iter))
  1263. goto nomem;
  1264. return reply;
  1265. nomem:
  1266. if (reply)
  1267. dbus_message_unref(reply);
  1268. return wpas_dbus_error_no_memory(message);
  1269. }
  1270. /*
  1271. * wpas_dbus_handler_disconnect - Terminate the current connection
  1272. * @message: Pointer to incoming dbus message
  1273. * @wpa_s: wpa_supplicant structure for a network interface
  1274. * Returns: NotConnected DBus error message if already not connected
  1275. * or NULL otherwise.
  1276. *
  1277. * Handler function for "Disconnect" method call of network interface.
  1278. */
  1279. DBusMessage * wpas_dbus_handler_disconnect(DBusMessage *message,
  1280. struct wpa_supplicant *wpa_s)
  1281. {
  1282. if (wpa_s->current_ssid != NULL) {
  1283. wpa_s->disconnected = 1;
  1284. wpa_supplicant_deauthenticate(wpa_s,
  1285. WLAN_REASON_DEAUTH_LEAVING);
  1286. return NULL;
  1287. }
  1288. return dbus_message_new_error(message, WPAS_DBUS_ERROR_NOT_CONNECTED,
  1289. "This interface is not connected");
  1290. }
  1291. /**
  1292. * wpas_dbus_new_iface_add_network - Add a new configured network
  1293. * @message: Pointer to incoming dbus message
  1294. * @wpa_s: wpa_supplicant structure for a network interface
  1295. * Returns: A dbus message containing the object path of the new network
  1296. *
  1297. * Handler function for "AddNetwork" method call of a network interface.
  1298. */
  1299. DBusMessage * wpas_dbus_handler_add_network(DBusMessage *message,
  1300. struct wpa_supplicant *wpa_s)
  1301. {
  1302. DBusMessage *reply = NULL;
  1303. DBusMessageIter iter;
  1304. struct wpa_ssid *ssid = NULL;
  1305. char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *path = path_buf;
  1306. DBusError error;
  1307. dbus_message_iter_init(message, &iter);
  1308. if (wpa_s->dbus_new_path)
  1309. ssid = wpa_config_add_network(wpa_s->conf);
  1310. if (ssid == NULL) {
  1311. wpa_printf(MSG_ERROR, "%s[dbus]: can't add new interface.",
  1312. __func__);
  1313. reply = wpas_dbus_error_unknown_error(
  1314. message,
  1315. "wpa_supplicant could not add a network on this interface.");
  1316. goto err;
  1317. }
  1318. wpas_notify_network_added(wpa_s, ssid);
  1319. ssid->disabled = 1;
  1320. wpa_config_set_network_defaults(ssid);
  1321. dbus_error_init(&error);
  1322. if (!set_network_properties(wpa_s, ssid, &iter, &error)) {
  1323. wpa_printf(MSG_DEBUG,
  1324. "%s[dbus]: control interface couldn't set network properties",
  1325. __func__);
  1326. reply = wpas_dbus_reply_new_from_error(message, &error,
  1327. DBUS_ERROR_INVALID_ARGS,
  1328. "Failed to add network");
  1329. dbus_error_free(&error);
  1330. goto err;
  1331. }
  1332. /* Construct the object path for this network. */
  1333. os_snprintf(path, WPAS_DBUS_OBJECT_PATH_MAX,
  1334. "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%d",
  1335. wpa_s->dbus_new_path, ssid->id);
  1336. reply = dbus_message_new_method_return(message);
  1337. if (reply == NULL) {
  1338. reply = wpas_dbus_error_no_memory(message);
  1339. goto err;
  1340. }
  1341. if (!dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &path,
  1342. DBUS_TYPE_INVALID)) {
  1343. dbus_message_unref(reply);
  1344. reply = wpas_dbus_error_no_memory(message);
  1345. goto err;
  1346. }
  1347. return reply;
  1348. err:
  1349. if (ssid) {
  1350. wpas_notify_network_removed(wpa_s, ssid);
  1351. wpa_config_remove_network(wpa_s->conf, ssid->id);
  1352. }
  1353. return reply;
  1354. }
  1355. /**
  1356. * wpas_dbus_handler_reassociate - Reassociate
  1357. * @message: Pointer to incoming dbus message
  1358. * @wpa_s: wpa_supplicant structure for a network interface
  1359. * Returns: InterfaceDisabled DBus error message if disabled
  1360. * or NULL otherwise.
  1361. *
  1362. * Handler function for "Reassociate" method call of network interface.
  1363. */
  1364. DBusMessage * wpas_dbus_handler_reassociate(DBusMessage *message,
  1365. struct wpa_supplicant *wpa_s)
  1366. {
  1367. if (wpa_s->wpa_state != WPA_INTERFACE_DISABLED) {
  1368. wpas_request_connection(wpa_s);
  1369. return NULL;
  1370. }
  1371. return dbus_message_new_error(message, WPAS_DBUS_ERROR_IFACE_DISABLED,
  1372. "This interface is disabled");
  1373. }
  1374. /**
  1375. * wpas_dbus_handler_expect_disconnect - ExpectDisconnect
  1376. * @message: Pointer to incoming dbus message
  1377. * @global: %wpa_supplicant global data structure
  1378. * Returns: NULL
  1379. *
  1380. * Handler function for notifying system there will be a expected disconnect.
  1381. * This will prevent wpa_supplicant from adding blacklists upon next disconnect..
  1382. */
  1383. DBusMessage * wpas_dbus_handler_expect_disconnect(DBusMessage *message,
  1384. struct wpa_global *global)
  1385. {
  1386. struct wpa_supplicant *wpa_s = global->ifaces;
  1387. for (; wpa_s; wpa_s = wpa_s->next)
  1388. if (wpa_s->wpa_state >= WPA_ASSOCIATED)
  1389. wpa_s->own_disconnect_req = 1;
  1390. return NULL;
  1391. }
  1392. /**
  1393. * wpas_dbus_handler_reattach - Reattach to current AP
  1394. * @message: Pointer to incoming dbus message
  1395. * @wpa_s: wpa_supplicant structure for a network interface
  1396. * Returns: NotConnected DBus error message if not connected
  1397. * or NULL otherwise.
  1398. *
  1399. * Handler function for "Reattach" method call of network interface.
  1400. */
  1401. DBusMessage * wpas_dbus_handler_reattach(DBusMessage *message,
  1402. struct wpa_supplicant *wpa_s)
  1403. {
  1404. if (wpa_s->current_ssid != NULL) {
  1405. wpa_s->reattach = 1;
  1406. wpas_request_connection(wpa_s);
  1407. return NULL;
  1408. }
  1409. return dbus_message_new_error(message, WPAS_DBUS_ERROR_NOT_CONNECTED,
  1410. "This interface is not connected");
  1411. }
  1412. /**
  1413. * wpas_dbus_handler_reconnect - Reconnect if disconnected
  1414. * @message: Pointer to incoming dbus message
  1415. * @wpa_s: wpa_supplicant structure for a network interface
  1416. * Returns: InterfaceDisabled DBus error message if disabled
  1417. * or NULL otherwise.
  1418. *
  1419. * Handler function for "Reconnect" method call of network interface.
  1420. */
  1421. DBusMessage * wpas_dbus_handler_reconnect(DBusMessage *message,
  1422. struct wpa_supplicant *wpa_s)
  1423. {
  1424. if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
  1425. return dbus_message_new_error(message,
  1426. WPAS_DBUS_ERROR_IFACE_DISABLED,
  1427. "This interface is disabled");
  1428. }
  1429. if (wpa_s->disconnected)
  1430. wpas_request_connection(wpa_s);
  1431. return NULL;
  1432. }
  1433. /**
  1434. * wpas_dbus_handler_remove_network - Remove a configured network
  1435. * @message: Pointer to incoming dbus message
  1436. * @wpa_s: wpa_supplicant structure for a network interface
  1437. * Returns: NULL on success or dbus error on failure
  1438. *
  1439. * Handler function for "RemoveNetwork" method call of a network interface.
  1440. */
  1441. DBusMessage * wpas_dbus_handler_remove_network(DBusMessage *message,
  1442. struct wpa_supplicant *wpa_s)
  1443. {
  1444. DBusMessage *reply = NULL;
  1445. const char *op;
  1446. char *iface, *net_id;
  1447. int id;
  1448. struct wpa_ssid *ssid;
  1449. int was_disabled;
  1450. dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &op,
  1451. DBUS_TYPE_INVALID);
  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,
  1455. WPAS_DBUS_NEW_NETWORKS_PART,
  1456. &net_id);
  1457. if (iface == NULL || net_id == NULL || !wpa_s->dbus_new_path ||
  1458. os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
  1459. reply = wpas_dbus_error_invalid_args(message, op);
  1460. goto out;
  1461. }
  1462. errno = 0;
  1463. id = strtoul(net_id, NULL, 10);
  1464. if (errno != 0) {
  1465. reply = wpas_dbus_error_invalid_args(message, op);
  1466. goto out;
  1467. }
  1468. ssid = wpa_config_get_network(wpa_s->conf, id);
  1469. if (ssid == NULL) {
  1470. reply = wpas_dbus_error_network_unknown(message);
  1471. goto out;
  1472. }
  1473. was_disabled = ssid->disabled;
  1474. wpas_notify_network_removed(wpa_s, ssid);
  1475. if (ssid == wpa_s->current_ssid)
  1476. wpa_supplicant_deauthenticate(wpa_s,
  1477. WLAN_REASON_DEAUTH_LEAVING);
  1478. else if (!was_disabled && wpa_s->sched_scanning) {
  1479. wpa_printf(MSG_DEBUG,
  1480. "Stop ongoing sched_scan to remove network from filters");
  1481. wpa_supplicant_cancel_sched_scan(wpa_s);
  1482. wpa_supplicant_req_scan(wpa_s, 0, 0);
  1483. }
  1484. if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
  1485. wpa_printf(MSG_ERROR,
  1486. "%s[dbus]: error occurred when removing network %d",
  1487. __func__, id);
  1488. reply = wpas_dbus_error_unknown_error(
  1489. message,
  1490. "error removing the specified network on is interface.");
  1491. goto out;
  1492. }
  1493. out:
  1494. os_free(iface);
  1495. return reply;
  1496. }
  1497. static void remove_network(void *arg, struct wpa_ssid *ssid)
  1498. {
  1499. struct wpa_supplicant *wpa_s = arg;
  1500. wpas_notify_network_removed(wpa_s, ssid);
  1501. if (wpa_config_remove_network(wpa_s->conf, ssid->id) < 0) {
  1502. wpa_printf(MSG_ERROR,
  1503. "%s[dbus]: error occurred when removing network %d",
  1504. __func__, ssid->id);
  1505. return;
  1506. }
  1507. if (ssid == wpa_s->current_ssid)
  1508. wpa_supplicant_deauthenticate(wpa_s,
  1509. WLAN_REASON_DEAUTH_LEAVING);
  1510. }
  1511. /**
  1512. * wpas_dbus_handler_remove_all_networks - Remove all configured networks
  1513. * @message: Pointer to incoming dbus message
  1514. * @wpa_s: wpa_supplicant structure for a network interface
  1515. * Returns: NULL on success or dbus error on failure
  1516. *
  1517. * Handler function for "RemoveAllNetworks" method call of a network interface.
  1518. */
  1519. DBusMessage * wpas_dbus_handler_remove_all_networks(
  1520. DBusMessage *message, struct wpa_supplicant *wpa_s)
  1521. {
  1522. if (wpa_s->sched_scanning)
  1523. wpa_supplicant_cancel_sched_scan(wpa_s);
  1524. /* NB: could check for failure and return an error */
  1525. wpa_config_foreach_network(wpa_s->conf, remove_network, wpa_s);
  1526. return NULL;
  1527. }
  1528. /**
  1529. * wpas_dbus_handler_select_network - Attempt association with a network
  1530. * @message: Pointer to incoming dbus message
  1531. * @wpa_s: wpa_supplicant structure for a network interface
  1532. * Returns: NULL on success or dbus error on failure
  1533. *
  1534. * Handler function for "SelectNetwork" method call of network interface.
  1535. */
  1536. DBusMessage * wpas_dbus_handler_select_network(DBusMessage *message,
  1537. struct wpa_supplicant *wpa_s)
  1538. {
  1539. DBusMessage *reply = NULL;
  1540. const char *op;
  1541. char *iface, *net_id;
  1542. int id;
  1543. struct wpa_ssid *ssid;
  1544. dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &op,
  1545. DBUS_TYPE_INVALID);
  1546. /* Extract the network ID and ensure the network */
  1547. /* is actually a child of this interface */
  1548. iface = wpas_dbus_new_decompose_object_path(op,
  1549. WPAS_DBUS_NEW_NETWORKS_PART,
  1550. &net_id);
  1551. if (iface == NULL || net_id == NULL || !wpa_s->dbus_new_path ||
  1552. os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
  1553. reply = wpas_dbus_error_invalid_args(message, op);
  1554. goto out;
  1555. }
  1556. errno = 0;
  1557. id = strtoul(net_id, NULL, 10);
  1558. if (errno != 0) {
  1559. reply = wpas_dbus_error_invalid_args(message, op);
  1560. goto out;
  1561. }
  1562. ssid = wpa_config_get_network(wpa_s->conf, id);
  1563. if (ssid == NULL) {
  1564. reply = wpas_dbus_error_network_unknown(message);
  1565. goto out;
  1566. }
  1567. /* Finally, associate with the network */
  1568. wpa_supplicant_select_network(wpa_s, ssid);
  1569. out:
  1570. os_free(iface);
  1571. return reply;
  1572. }
  1573. /**
  1574. * wpas_dbus_handler_network_reply - Reply to a NetworkRequest signal
  1575. * @message: Pointer to incoming dbus message
  1576. * @wpa_s: wpa_supplicant structure for a network interface
  1577. * Returns: NULL on success or dbus error on failure
  1578. *
  1579. * Handler function for "NetworkReply" method call of network interface.
  1580. */
  1581. DBusMessage * wpas_dbus_handler_network_reply(DBusMessage *message,
  1582. struct wpa_supplicant *wpa_s)
  1583. {
  1584. #ifdef IEEE8021X_EAPOL
  1585. DBusMessage *reply = NULL;
  1586. const char *op, *field, *value;
  1587. char *iface, *net_id;
  1588. int id;
  1589. struct wpa_ssid *ssid;
  1590. if (!dbus_message_get_args(message, NULL,
  1591. DBUS_TYPE_OBJECT_PATH, &op,
  1592. DBUS_TYPE_STRING, &field,
  1593. DBUS_TYPE_STRING, &value,
  1594. DBUS_TYPE_INVALID))
  1595. return wpas_dbus_error_invalid_args(message, NULL);
  1596. /* Extract the network ID and ensure the network */
  1597. /* is actually a child of this interface */
  1598. iface = wpas_dbus_new_decompose_object_path(op,
  1599. WPAS_DBUS_NEW_NETWORKS_PART,
  1600. &net_id);
  1601. if (iface == NULL || net_id == NULL || !wpa_s->dbus_new_path ||
  1602. os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
  1603. reply = wpas_dbus_error_invalid_args(message, op);
  1604. goto out;
  1605. }
  1606. errno = 0;
  1607. id = strtoul(net_id, NULL, 10);
  1608. if (errno != 0) {
  1609. reply = wpas_dbus_error_invalid_args(message, net_id);
  1610. goto out;
  1611. }
  1612. ssid = wpa_config_get_network(wpa_s->conf, id);
  1613. if (ssid == NULL) {
  1614. reply = wpas_dbus_error_network_unknown(message);
  1615. goto out;
  1616. }
  1617. if (wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid,
  1618. field, value) < 0)
  1619. reply = wpas_dbus_error_invalid_args(message, field);
  1620. else {
  1621. /* Tell EAP to retry immediately */
  1622. eapol_sm_notify_ctrl_response(wpa_s->eapol);
  1623. }
  1624. out:
  1625. os_free(iface);
  1626. return reply;
  1627. #else /* IEEE8021X_EAPOL */
  1628. wpa_printf(MSG_DEBUG, "dbus: 802.1X not included");
  1629. return wpas_dbus_error_unknown_error(message, "802.1X not included");
  1630. #endif /* IEEE8021X_EAPOL */
  1631. }
  1632. #ifndef CONFIG_NO_CONFIG_BLOBS
  1633. /**
  1634. * wpas_dbus_handler_add_blob - Store named binary blob (ie, for certificates)
  1635. * @message: Pointer to incoming dbus message
  1636. * @wpa_s: %wpa_supplicant data structure
  1637. * Returns: A dbus message containing an error on failure or NULL on success
  1638. *
  1639. * Asks wpa_supplicant to internally store a binary blobs.
  1640. */
  1641. DBusMessage * wpas_dbus_handler_add_blob(DBusMessage *message,
  1642. struct wpa_supplicant *wpa_s)
  1643. {
  1644. DBusMessage *reply = NULL;
  1645. DBusMessageIter iter, array_iter;
  1646. char *blob_name;
  1647. u8 *blob_data;
  1648. int blob_len;
  1649. struct wpa_config_blob *blob = NULL;
  1650. dbus_message_iter_init(message, &iter);
  1651. dbus_message_iter_get_basic(&iter, &blob_name);
  1652. if (wpa_config_get_blob(wpa_s->conf, blob_name)) {
  1653. return dbus_message_new_error(message,
  1654. WPAS_DBUS_ERROR_BLOB_EXISTS,
  1655. NULL);
  1656. }
  1657. dbus_message_iter_next(&iter);
  1658. dbus_message_iter_recurse(&iter, &array_iter);
  1659. dbus_message_iter_get_fixed_array(&array_iter, &blob_data, &blob_len);
  1660. blob = os_zalloc(sizeof(*blob));
  1661. if (!blob) {
  1662. reply = wpas_dbus_error_no_memory(message);
  1663. goto err;
  1664. }
  1665. blob->data = os_malloc(blob_len);
  1666. blob->name = os_strdup(blob_name);
  1667. if (!blob->data || !blob->name) {
  1668. reply = wpas_dbus_error_no_memory(message);
  1669. goto err;
  1670. }
  1671. os_memcpy(blob->data, blob_data, blob_len);
  1672. blob->len = blob_len;
  1673. wpa_config_set_blob(wpa_s->conf, blob);
  1674. wpas_notify_blob_added(wpa_s, blob->name);
  1675. return reply;
  1676. err:
  1677. if (blob) {
  1678. os_free(blob->name);
  1679. os_free(blob->data);
  1680. os_free(blob);
  1681. }
  1682. return reply;
  1683. }
  1684. /**
  1685. * wpas_dbus_handler_get_blob - Get named binary blob (ie, for certificates)
  1686. * @message: Pointer to incoming dbus message
  1687. * @wpa_s: %wpa_supplicant data structure
  1688. * Returns: A dbus message containing array of bytes (blob)
  1689. *
  1690. * Gets one wpa_supplicant's binary blobs.
  1691. */
  1692. DBusMessage * wpas_dbus_handler_get_blob(DBusMessage *message,
  1693. struct wpa_supplicant *wpa_s)
  1694. {
  1695. DBusMessage *reply = NULL;
  1696. DBusMessageIter iter, array_iter;
  1697. char *blob_name;
  1698. const struct wpa_config_blob *blob;
  1699. dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &blob_name,
  1700. DBUS_TYPE_INVALID);
  1701. blob = wpa_config_get_blob(wpa_s->conf, blob_name);
  1702. if (!blob) {
  1703. return dbus_message_new_error(message,
  1704. WPAS_DBUS_ERROR_BLOB_UNKNOWN,
  1705. "Blob id not set");
  1706. }
  1707. reply = dbus_message_new_method_return(message);
  1708. if (!reply)
  1709. return wpas_dbus_error_no_memory(message);
  1710. dbus_message_iter_init_append(reply, &iter);
  1711. if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
  1712. DBUS_TYPE_BYTE_AS_STRING,
  1713. &array_iter) ||
  1714. !dbus_message_iter_append_fixed_array(&array_iter, DBUS_TYPE_BYTE,
  1715. &(blob->data), blob->len) ||
  1716. !dbus_message_iter_close_container(&iter, &array_iter)) {
  1717. dbus_message_unref(reply);
  1718. reply = wpas_dbus_error_no_memory(message);
  1719. }
  1720. return reply;
  1721. }
  1722. /**
  1723. * wpas_remove_handler_remove_blob - Remove named binary blob
  1724. * @message: Pointer to incoming dbus message
  1725. * @wpa_s: %wpa_supplicant data structure
  1726. * Returns: NULL on success or dbus error
  1727. *
  1728. * Asks wpa_supplicant to internally remove a binary blobs.
  1729. */
  1730. DBusMessage * wpas_dbus_handler_remove_blob(DBusMessage *message,
  1731. struct wpa_supplicant *wpa_s)
  1732. {
  1733. DBusMessage *reply = NULL;
  1734. char *blob_name;
  1735. dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &blob_name,
  1736. DBUS_TYPE_INVALID);
  1737. if (wpa_config_remove_blob(wpa_s->conf, blob_name)) {
  1738. return dbus_message_new_error(message,
  1739. WPAS_DBUS_ERROR_BLOB_UNKNOWN,
  1740. "Blob id not set");
  1741. }
  1742. wpas_notify_blob_removed(wpa_s, blob_name);
  1743. return reply;
  1744. }
  1745. #endif /* CONFIG_NO_CONFIG_BLOBS */
  1746. /*
  1747. * wpas_dbus_handler_flush_bss - Flush the BSS cache
  1748. * @message: Pointer to incoming dbus message
  1749. * @wpa_s: wpa_supplicant structure for a network interface
  1750. * Returns: NULL
  1751. *
  1752. * Handler function for "FlushBSS" method call of network interface.
  1753. */
  1754. DBusMessage * wpas_dbus_handler_flush_bss(DBusMessage *message,
  1755. struct wpa_supplicant *wpa_s)
  1756. {
  1757. dbus_uint32_t age;
  1758. dbus_message_get_args(message, NULL, DBUS_TYPE_UINT32, &age,
  1759. DBUS_TYPE_INVALID);
  1760. if (age == 0)
  1761. wpa_bss_flush(wpa_s);
  1762. else
  1763. wpa_bss_flush_by_age(wpa_s, age);
  1764. return NULL;
  1765. }
  1766. #ifdef CONFIG_AUTOSCAN
  1767. /**
  1768. * wpas_dbus_handler_autoscan - Set autoscan parameters for the interface
  1769. * @message: Pointer to incoming dbus message
  1770. * @wpa_s: wpa_supplicant structure for a network interface
  1771. * Returns: NULL
  1772. *
  1773. * Handler function for "AutoScan" method call of network interface.
  1774. */
  1775. DBusMessage * wpas_dbus_handler_autoscan(DBusMessage *message,
  1776. struct wpa_supplicant *wpa_s)
  1777. {
  1778. DBusMessage *reply = NULL;
  1779. enum wpa_states state = wpa_s->wpa_state;
  1780. char *arg;
  1781. dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &arg,
  1782. DBUS_TYPE_INVALID);
  1783. if (arg != NULL && os_strlen(arg) > 0) {
  1784. char *tmp;
  1785. tmp = os_strdup(arg);
  1786. if (tmp == NULL) {
  1787. reply = wpas_dbus_error_no_memory(message);
  1788. } else {
  1789. os_free(wpa_s->conf->autoscan);
  1790. wpa_s->conf->autoscan = tmp;
  1791. if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
  1792. autoscan_init(wpa_s, 1);
  1793. else if (state == WPA_SCANNING)
  1794. wpa_supplicant_reinit_autoscan(wpa_s);
  1795. }
  1796. } else if (arg != NULL && os_strlen(arg) == 0) {
  1797. os_free(wpa_s->conf->autoscan);
  1798. wpa_s->conf->autoscan = NULL;
  1799. autoscan_deinit(wpa_s);
  1800. } else
  1801. reply = dbus_message_new_error(message,
  1802. DBUS_ERROR_INVALID_ARGS,
  1803. NULL);
  1804. return reply;
  1805. }
  1806. #endif /* CONFIG_AUTOSCAN */
  1807. /*
  1808. * wpas_dbus_handler_eap_logoff - IEEE 802.1X EAPOL state machine logoff
  1809. * @message: Pointer to incoming dbus message
  1810. * @wpa_s: wpa_supplicant structure for a network interface
  1811. * Returns: NULL
  1812. *
  1813. * Handler function for "EAPLogoff" method call of network interface.
  1814. */
  1815. DBusMessage * wpas_dbus_handler_eap_logoff(DBusMessage *message,
  1816. struct wpa_supplicant *wpa_s)
  1817. {
  1818. eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
  1819. return NULL;
  1820. }
  1821. /*
  1822. * wpas_dbus_handler_eap_logon - IEEE 802.1X EAPOL state machine logon
  1823. * @message: Pointer to incoming dbus message
  1824. * @wpa_s: wpa_supplicant structure for a network interface
  1825. * Returns: NULL
  1826. *
  1827. * Handler function for "EAPLogin" method call of network interface.
  1828. */
  1829. DBusMessage * wpas_dbus_handler_eap_logon(DBusMessage *message,
  1830. struct wpa_supplicant *wpa_s)
  1831. {
  1832. eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
  1833. return NULL;
  1834. }
  1835. #ifdef CONFIG_TDLS
  1836. static int get_peer_hwaddr_helper(DBusMessage *message, const char *func_name,
  1837. u8 *peer_address, DBusMessage **error)
  1838. {
  1839. const char *peer_string;
  1840. *error = NULL;
  1841. if (!dbus_message_get_args(message, NULL,
  1842. DBUS_TYPE_STRING, &peer_string,
  1843. DBUS_TYPE_INVALID)) {
  1844. *error = wpas_dbus_error_invalid_args(message, NULL);
  1845. return -1;
  1846. }
  1847. if (hwaddr_aton(peer_string, peer_address)) {
  1848. wpa_printf(MSG_DEBUG, "%s: invalid address '%s'",
  1849. func_name, peer_string);
  1850. *error = wpas_dbus_error_invalid_args(
  1851. message, "Invalid hardware address format");
  1852. return -1;
  1853. }
  1854. return 0;
  1855. }
  1856. /*
  1857. * wpas_dbus_handler_tdls_discover - Discover TDLS peer
  1858. * @message: Pointer to incoming dbus message
  1859. * @wpa_s: wpa_supplicant structure for a network interface
  1860. * Returns: NULL indicating success or DBus error message on failure
  1861. *
  1862. * Handler function for "TDLSDiscover" method call of network interface.
  1863. */
  1864. DBusMessage * wpas_dbus_handler_tdls_discover(DBusMessage *message,
  1865. struct wpa_supplicant *wpa_s)
  1866. {
  1867. u8 peer[ETH_ALEN];
  1868. DBusMessage *error_reply;
  1869. int ret;
  1870. if (get_peer_hwaddr_helper(message, __func__, peer, &error_reply) < 0)
  1871. return error_reply;
  1872. wpa_printf(MSG_DEBUG, "DBUS TDLS_DISCOVER " MACSTR, MAC2STR(peer));
  1873. if (wpa_tdls_is_external_setup(wpa_s->wpa))
  1874. ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
  1875. else
  1876. ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
  1877. if (ret) {
  1878. return wpas_dbus_error_unknown_error(
  1879. message, "error performing TDLS discovery");
  1880. }
  1881. return NULL;
  1882. }
  1883. /*
  1884. * wpas_dbus_handler_tdls_setup - Setup TDLS session
  1885. * @message: Pointer to incoming dbus message
  1886. * @wpa_s: wpa_supplicant structure for a network interface
  1887. * Returns: NULL indicating success or DBus error message on failure
  1888. *
  1889. * Handler function for "TDLSSetup" method call of network interface.
  1890. */
  1891. DBusMessage * wpas_dbus_handler_tdls_setup(DBusMessage *message,
  1892. struct wpa_supplicant *wpa_s)
  1893. {
  1894. u8 peer[ETH_ALEN];
  1895. DBusMessage *error_reply;
  1896. int ret;
  1897. if (get_peer_hwaddr_helper(message, __func__, peer, &error_reply) < 0)
  1898. return error_reply;
  1899. wpa_printf(MSG_DEBUG, "DBUS TDLS_SETUP " MACSTR, MAC2STR(peer));
  1900. wpa_tdls_remove(wpa_s->wpa, peer);
  1901. if (wpa_tdls_is_external_setup(wpa_s->wpa))
  1902. ret = wpa_tdls_start(wpa_s->wpa, peer);
  1903. else
  1904. ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
  1905. if (ret) {
  1906. return wpas_dbus_error_unknown_error(
  1907. message, "error performing TDLS setup");
  1908. }
  1909. return NULL;
  1910. }
  1911. /*
  1912. * wpas_dbus_handler_tdls_status - Return TDLS session status
  1913. * @message: Pointer to incoming dbus message
  1914. * @wpa_s: wpa_supplicant structure for a network interface
  1915. * Returns: A string representing the state of the link to this TDLS peer
  1916. *
  1917. * Handler function for "TDLSStatus" method call of network interface.
  1918. */
  1919. DBusMessage * wpas_dbus_handler_tdls_status(DBusMessage *message,
  1920. struct wpa_supplicant *wpa_s)
  1921. {
  1922. u8 peer[ETH_ALEN];
  1923. DBusMessage *reply;
  1924. const char *tdls_status;
  1925. if (get_peer_hwaddr_helper(message, __func__, peer, &reply) < 0)
  1926. return reply;
  1927. wpa_printf(MSG_DEBUG, "DBUS TDLS_STATUS " MACSTR, MAC2STR(peer));
  1928. tdls_status = wpa_tdls_get_link_status(wpa_s->wpa, peer);
  1929. reply = dbus_message_new_method_return(message);
  1930. dbus_message_append_args(reply, DBUS_TYPE_STRING,
  1931. &tdls_status, DBUS_TYPE_INVALID);
  1932. return reply;
  1933. }
  1934. /*
  1935. * wpas_dbus_handler_tdls_teardown - Teardown TDLS session
  1936. * @message: Pointer to incoming dbus message
  1937. * @wpa_s: wpa_supplicant structure for a network interface
  1938. * Returns: NULL indicating success or DBus error message on failure
  1939. *
  1940. * Handler function for "TDLSTeardown" method call of network interface.
  1941. */
  1942. DBusMessage * wpas_dbus_handler_tdls_teardown(DBusMessage *message,
  1943. struct wpa_supplicant *wpa_s)
  1944. {
  1945. u8 peer[ETH_ALEN];
  1946. DBusMessage *error_reply;
  1947. int ret;
  1948. if (get_peer_hwaddr_helper(message, __func__, peer, &error_reply) < 0)
  1949. return error_reply;
  1950. wpa_printf(MSG_DEBUG, "DBUS TDLS_TEARDOWN " MACSTR, MAC2STR(peer));
  1951. if (wpa_tdls_is_external_setup(wpa_s->wpa))
  1952. ret = wpa_tdls_teardown_link(
  1953. wpa_s->wpa, peer,
  1954. WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
  1955. else
  1956. ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
  1957. if (ret) {
  1958. return wpas_dbus_error_unknown_error(
  1959. message, "error performing TDLS teardown");
  1960. }
  1961. return NULL;
  1962. }
  1963. #endif /* CONFIG_TDLS */
  1964. #ifndef CONFIG_NO_CONFIG_WRITE
  1965. /**
  1966. * wpas_dbus_handler_save_config - Save configuration to configuration file
  1967. * @message: Pointer to incoming dbus message
  1968. * @wpa_s: wpa_supplicant structure for a network interface
  1969. * Returns: NULL on Success, Otherwise errror message
  1970. *
  1971. * Handler function for "SaveConfig" method call of network interface.
  1972. */
  1973. DBusMessage * wpas_dbus_handler_save_config(DBusMessage *message,
  1974. struct wpa_supplicant *wpa_s)
  1975. {
  1976. int ret;
  1977. if (!wpa_s->conf->update_config) {
  1978. return wpas_dbus_error_unknown_error(
  1979. message,
  1980. "Not allowed to update configuration (update_config=0)");
  1981. }
  1982. ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
  1983. if (ret)
  1984. return wpas_dbus_error_unknown_error(
  1985. message, "Failed to update configuration");
  1986. return NULL;
  1987. }
  1988. #endif /* CONFIG_NO_CONFIG_WRITE */
  1989. /**
  1990. * wpas_dbus_handler_set_pkcs11_engine_and_module_path - Set PKCS #11 engine and module path
  1991. * @message: Pointer to incoming dbus message
  1992. * @wpa_s: %wpa_supplicant data structure
  1993. * Returns: A dbus message containing an error on failure or NULL on success
  1994. *
  1995. * Sets the PKCS #11 engine and module path.
  1996. */
  1997. DBusMessage * wpas_dbus_handler_set_pkcs11_engine_and_module_path(
  1998. DBusMessage *message, struct wpa_supplicant *wpa_s)
  1999. {
  2000. DBusMessageIter iter;
  2001. char *value = NULL;
  2002. char *pkcs11_engine_path = NULL;
  2003. char *pkcs11_module_path = NULL;
  2004. dbus_message_iter_init(message, &iter);
  2005. dbus_message_iter_get_basic(&iter, &value);
  2006. if (value == NULL) {
  2007. return dbus_message_new_error(
  2008. message, DBUS_ERROR_INVALID_ARGS,
  2009. "Invalid pkcs11_engine_path argument");
  2010. }
  2011. /* Empty path defaults to NULL */
  2012. if (os_strlen(value))
  2013. pkcs11_engine_path = value;
  2014. dbus_message_iter_next(&iter);
  2015. dbus_message_iter_get_basic(&iter, &value);
  2016. if (value == NULL) {
  2017. os_free(pkcs11_engine_path);
  2018. return dbus_message_new_error(
  2019. message, DBUS_ERROR_INVALID_ARGS,
  2020. "Invalid pkcs11_module_path argument");
  2021. }
  2022. /* Empty path defaults to NULL */
  2023. if (os_strlen(value))
  2024. pkcs11_module_path = value;
  2025. if (wpas_set_pkcs11_engine_and_module_path(wpa_s, pkcs11_engine_path,
  2026. pkcs11_module_path))
  2027. return dbus_message_new_error(
  2028. message, DBUS_ERROR_FAILED,
  2029. "Reinit of the EAPOL state machine with the new PKCS #11 engine and module path failed.");
  2030. if (wpa_s->dbus_new_path) {
  2031. wpa_dbus_mark_property_changed(
  2032. wpa_s->global->dbus, wpa_s->dbus_new_path,
  2033. WPAS_DBUS_NEW_IFACE_INTERFACE, "PKCS11EnginePath");
  2034. wpa_dbus_mark_property_changed(
  2035. wpa_s->global->dbus, wpa_s->dbus_new_path,
  2036. WPAS_DBUS_NEW_IFACE_INTERFACE, "PKCS11ModulePath");
  2037. }
  2038. return NULL;
  2039. }
  2040. /**
  2041. * wpas_dbus_getter_capabilities - Return interface capabilities
  2042. * @iter: Pointer to incoming dbus message iter
  2043. * @error: Location to store error on failure
  2044. * @user_data: Function specific data
  2045. * Returns: TRUE on success, FALSE on failure
  2046. *
  2047. * Getter for "Capabilities" property of an interface.
  2048. */
  2049. dbus_bool_t wpas_dbus_getter_capabilities(
  2050. const struct wpa_dbus_property_desc *property_desc,
  2051. DBusMessageIter *iter, DBusError *error, void *user_data)
  2052. {
  2053. struct wpa_supplicant *wpa_s = user_data;
  2054. struct wpa_driver_capa capa;
  2055. int res;
  2056. DBusMessageIter iter_dict, iter_dict_entry, iter_dict_val, iter_array,
  2057. variant_iter;
  2058. const char *scans[] = { "active", "passive", "ssid" };
  2059. if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
  2060. "a{sv}", &variant_iter) ||
  2061. !wpa_dbus_dict_open_write(&variant_iter, &iter_dict))
  2062. goto nomem;
  2063. res = wpa_drv_get_capa(wpa_s, &capa);
  2064. /***** pairwise cipher */
  2065. if (res < 0) {
  2066. const char *args[] = {"ccmp", "tkip", "none"};
  2067. if (!wpa_dbus_dict_append_string_array(
  2068. &iter_dict, "Pairwise", args,
  2069. ARRAY_SIZE(args)))
  2070. goto nomem;
  2071. } else {
  2072. if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Pairwise",
  2073. &iter_dict_entry,
  2074. &iter_dict_val,
  2075. &iter_array) ||
  2076. ((capa.enc & WPA_DRIVER_CAPA_ENC_CCMP_256) &&
  2077. !wpa_dbus_dict_string_array_add_element(
  2078. &iter_array, "ccmp-256")) ||
  2079. ((capa.enc & WPA_DRIVER_CAPA_ENC_GCMP_256) &&
  2080. !wpa_dbus_dict_string_array_add_element(
  2081. &iter_array, "gcmp-256")) ||
  2082. ((capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) &&
  2083. !wpa_dbus_dict_string_array_add_element(
  2084. &iter_array, "ccmp")) ||
  2085. ((capa.enc & WPA_DRIVER_CAPA_ENC_GCMP) &&
  2086. !wpa_dbus_dict_string_array_add_element(
  2087. &iter_array, "gcmp")) ||
  2088. ((capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) &&
  2089. !wpa_dbus_dict_string_array_add_element(
  2090. &iter_array, "tkip")) ||
  2091. ((capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) &&
  2092. !wpa_dbus_dict_string_array_add_element(
  2093. &iter_array, "none")) ||
  2094. !wpa_dbus_dict_end_string_array(&iter_dict,
  2095. &iter_dict_entry,
  2096. &iter_dict_val,
  2097. &iter_array))
  2098. goto nomem;
  2099. }
  2100. /***** group cipher */
  2101. if (res < 0) {
  2102. const char *args[] = {
  2103. "ccmp", "tkip", "wep104", "wep40"
  2104. };
  2105. if (!wpa_dbus_dict_append_string_array(
  2106. &iter_dict, "Group", args,
  2107. ARRAY_SIZE(args)))
  2108. goto nomem;
  2109. } else {
  2110. if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Group",
  2111. &iter_dict_entry,
  2112. &iter_dict_val,
  2113. &iter_array) ||
  2114. ((capa.enc & WPA_DRIVER_CAPA_ENC_CCMP_256) &&
  2115. !wpa_dbus_dict_string_array_add_element(
  2116. &iter_array, "ccmp-256")) ||
  2117. ((capa.enc & WPA_DRIVER_CAPA_ENC_GCMP_256) &&
  2118. !wpa_dbus_dict_string_array_add_element(
  2119. &iter_array, "gcmp-256")) ||
  2120. ((capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) &&
  2121. !wpa_dbus_dict_string_array_add_element(
  2122. &iter_array, "ccmp")) ||
  2123. ((capa.enc & WPA_DRIVER_CAPA_ENC_GCMP) &&
  2124. !wpa_dbus_dict_string_array_add_element(
  2125. &iter_array, "gcmp")) ||
  2126. ((capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) &&
  2127. !wpa_dbus_dict_string_array_add_element(
  2128. &iter_array, "tkip")) ||
  2129. ((capa.enc & WPA_DRIVER_CAPA_ENC_WEP104) &&
  2130. !wpa_dbus_dict_string_array_add_element(
  2131. &iter_array, "wep104")) ||
  2132. ((capa.enc & WPA_DRIVER_CAPA_ENC_WEP40) &&
  2133. !wpa_dbus_dict_string_array_add_element(
  2134. &iter_array, "wep40")) ||
  2135. !wpa_dbus_dict_end_string_array(&iter_dict,
  2136. &iter_dict_entry,
  2137. &iter_dict_val,
  2138. &iter_array))
  2139. goto nomem;
  2140. }
  2141. /***** key management */
  2142. if (res < 0) {
  2143. const char *args[] = {
  2144. "wpa-psk", "wpa-eap", "ieee8021x", "wpa-none",
  2145. #ifdef CONFIG_WPS
  2146. "wps",
  2147. #endif /* CONFIG_WPS */
  2148. "none"
  2149. };
  2150. if (!wpa_dbus_dict_append_string_array(
  2151. &iter_dict, "KeyMgmt", args,
  2152. ARRAY_SIZE(args)))
  2153. goto nomem;
  2154. } else {
  2155. if (!wpa_dbus_dict_begin_string_array(&iter_dict, "KeyMgmt",
  2156. &iter_dict_entry,
  2157. &iter_dict_val,
  2158. &iter_array) ||
  2159. !wpa_dbus_dict_string_array_add_element(&iter_array,
  2160. "none") ||
  2161. !wpa_dbus_dict_string_array_add_element(&iter_array,
  2162. "ieee8021x"))
  2163. goto nomem;
  2164. if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
  2165. WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
  2166. if (!wpa_dbus_dict_string_array_add_element(
  2167. &iter_array, "wpa-eap") ||
  2168. ((capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_FT) &&
  2169. !wpa_dbus_dict_string_array_add_element(
  2170. &iter_array, "wpa-ft-eap")))
  2171. goto nomem;
  2172. /* TODO: Ensure that driver actually supports sha256 encryption. */
  2173. #ifdef CONFIG_IEEE80211W
  2174. if (!wpa_dbus_dict_string_array_add_element(
  2175. &iter_array, "wpa-eap-sha256"))
  2176. goto nomem;
  2177. #endif /* CONFIG_IEEE80211W */
  2178. }
  2179. if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
  2180. WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
  2181. if (!wpa_dbus_dict_string_array_add_element(
  2182. &iter_array, "wpa-psk") ||
  2183. ((capa.key_mgmt &
  2184. WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK) &&
  2185. !wpa_dbus_dict_string_array_add_element(
  2186. &iter_array, "wpa-ft-psk")))
  2187. goto nomem;
  2188. /* TODO: Ensure that driver actually supports sha256 encryption. */
  2189. #ifdef CONFIG_IEEE80211W
  2190. if (!wpa_dbus_dict_string_array_add_element(
  2191. &iter_array, "wpa-psk-sha256"))
  2192. goto nomem;
  2193. #endif /* CONFIG_IEEE80211W */
  2194. }
  2195. if ((capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) &&
  2196. !wpa_dbus_dict_string_array_add_element(&iter_array,
  2197. "wpa-none"))
  2198. goto nomem;
  2199. #ifdef CONFIG_WPS
  2200. if (!wpa_dbus_dict_string_array_add_element(&iter_array,
  2201. "wps"))
  2202. goto nomem;
  2203. #endif /* CONFIG_WPS */
  2204. if (!wpa_dbus_dict_end_string_array(&iter_dict,
  2205. &iter_dict_entry,
  2206. &iter_dict_val,
  2207. &iter_array))
  2208. goto nomem;
  2209. }
  2210. /***** WPA protocol */
  2211. if (res < 0) {
  2212. const char *args[] = { "rsn", "wpa" };
  2213. if (!wpa_dbus_dict_append_string_array(
  2214. &iter_dict, "Protocol", args,
  2215. ARRAY_SIZE(args)))
  2216. goto nomem;
  2217. } else {
  2218. if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Protocol",
  2219. &iter_dict_entry,
  2220. &iter_dict_val,
  2221. &iter_array) ||
  2222. ((capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
  2223. WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) &&
  2224. !wpa_dbus_dict_string_array_add_element(
  2225. &iter_array, "rsn")) ||
  2226. ((capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
  2227. WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) &&
  2228. !wpa_dbus_dict_string_array_add_element(
  2229. &iter_array, "wpa")) ||
  2230. !wpa_dbus_dict_end_string_array(&iter_dict,
  2231. &iter_dict_entry,
  2232. &iter_dict_val,
  2233. &iter_array))
  2234. goto nomem;
  2235. }
  2236. /***** auth alg */
  2237. if (res < 0) {
  2238. const char *args[] = { "open", "shared", "leap" };
  2239. if (!wpa_dbus_dict_append_string_array(
  2240. &iter_dict, "AuthAlg", args,
  2241. ARRAY_SIZE(args)))
  2242. goto nomem;
  2243. } else {
  2244. if (!wpa_dbus_dict_begin_string_array(&iter_dict, "AuthAlg",
  2245. &iter_dict_entry,
  2246. &iter_dict_val,
  2247. &iter_array))
  2248. goto nomem;
  2249. if (((capa.auth & WPA_DRIVER_AUTH_OPEN) &&
  2250. !wpa_dbus_dict_string_array_add_element(
  2251. &iter_array, "open")) ||
  2252. ((capa.auth & WPA_DRIVER_AUTH_SHARED) &&
  2253. !wpa_dbus_dict_string_array_add_element(
  2254. &iter_array, "shared")) ||
  2255. ((capa.auth & WPA_DRIVER_AUTH_LEAP) &&
  2256. !wpa_dbus_dict_string_array_add_element(
  2257. &iter_array, "leap")) ||
  2258. !wpa_dbus_dict_end_string_array(&iter_dict,
  2259. &iter_dict_entry,
  2260. &iter_dict_val,
  2261. &iter_array))
  2262. goto nomem;
  2263. }
  2264. /***** Scan */
  2265. if (!wpa_dbus_dict_append_string_array(&iter_dict, "Scan", scans,
  2266. ARRAY_SIZE(scans)))
  2267. goto nomem;
  2268. /***** Modes */
  2269. if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Modes",
  2270. &iter_dict_entry,
  2271. &iter_dict_val,
  2272. &iter_array) ||
  2273. !wpa_dbus_dict_string_array_add_element(
  2274. &iter_array, "infrastructure") ||
  2275. (res >= 0 && (capa.flags & WPA_DRIVER_FLAGS_IBSS) &&
  2276. !wpa_dbus_dict_string_array_add_element(
  2277. &iter_array, "ad-hoc")) ||
  2278. (res >= 0 && (capa.flags & WPA_DRIVER_FLAGS_AP) &&
  2279. !wpa_dbus_dict_string_array_add_element(
  2280. &iter_array, "ap")) ||
  2281. (res >= 0 && (capa.flags & WPA_DRIVER_FLAGS_P2P_CAPABLE) &&
  2282. !wpa_s->conf->p2p_disabled &&
  2283. !wpa_dbus_dict_string_array_add_element(
  2284. &iter_array, "p2p")) ||
  2285. !wpa_dbus_dict_end_string_array(&iter_dict,
  2286. &iter_dict_entry,
  2287. &iter_dict_val,
  2288. &iter_array))
  2289. goto nomem;
  2290. /***** Modes end */
  2291. if (res >= 0) {
  2292. dbus_int32_t max_scan_ssid = capa.max_scan_ssids;
  2293. if (!wpa_dbus_dict_append_int32(&iter_dict, "MaxScanSSID",
  2294. max_scan_ssid))
  2295. goto nomem;
  2296. }
  2297. if (!wpa_dbus_dict_close_write(&variant_iter, &iter_dict) ||
  2298. !dbus_message_iter_close_container(iter, &variant_iter))
  2299. goto nomem;
  2300. return TRUE;
  2301. nomem:
  2302. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
  2303. return FALSE;
  2304. }
  2305. /**
  2306. * wpas_dbus_getter_state - Get interface state
  2307. * @iter: Pointer to incoming dbus message iter
  2308. * @error: Location to store error on failure
  2309. * @user_data: Function specific data
  2310. * Returns: TRUE on success, FALSE on failure
  2311. *
  2312. * Getter for "State" property.
  2313. */
  2314. dbus_bool_t wpas_dbus_getter_state(
  2315. const struct wpa_dbus_property_desc *property_desc,
  2316. DBusMessageIter *iter, DBusError *error, void *user_data)
  2317. {
  2318. struct wpa_supplicant *wpa_s = user_data;
  2319. const char *str_state;
  2320. char *state_ls, *tmp;
  2321. dbus_bool_t success = FALSE;
  2322. str_state = wpa_supplicant_state_txt(wpa_s->wpa_state);
  2323. /* make state string lowercase to fit new DBus API convention
  2324. */
  2325. state_ls = tmp = os_strdup(str_state);
  2326. if (!tmp) {
  2327. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
  2328. return FALSE;
  2329. }
  2330. while (*tmp) {
  2331. *tmp = tolower(*tmp);
  2332. tmp++;
  2333. }
  2334. success = wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
  2335. &state_ls, error);
  2336. os_free(state_ls);
  2337. return success;
  2338. }
  2339. /**
  2340. * wpas_dbus_new_iface_get_scanning - Get interface scanning state
  2341. * @iter: Pointer to incoming dbus message iter
  2342. * @error: Location to store error on failure
  2343. * @user_data: Function specific data
  2344. * Returns: TRUE on success, FALSE on failure
  2345. *
  2346. * Getter for "scanning" property.
  2347. */
  2348. dbus_bool_t wpas_dbus_getter_scanning(
  2349. const struct wpa_dbus_property_desc *property_desc,
  2350. DBusMessageIter *iter, DBusError *error, void *user_data)
  2351. {
  2352. struct wpa_supplicant *wpa_s = user_data;
  2353. dbus_bool_t scanning = wpa_s->scanning ? TRUE : FALSE;
  2354. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
  2355. &scanning, error);
  2356. }
  2357. /**
  2358. * wpas_dbus_getter_ap_scan - Control roaming mode
  2359. * @iter: Pointer to incoming dbus message iter
  2360. * @error: Location to store error on failure
  2361. * @user_data: Function specific data
  2362. * Returns: TRUE on success, FALSE on failure
  2363. *
  2364. * Getter function for "ApScan" property.
  2365. */
  2366. dbus_bool_t wpas_dbus_getter_ap_scan(
  2367. const struct wpa_dbus_property_desc *property_desc,
  2368. DBusMessageIter *iter, DBusError *error, void *user_data)
  2369. {
  2370. struct wpa_supplicant *wpa_s = user_data;
  2371. dbus_uint32_t ap_scan = wpa_s->conf->ap_scan;
  2372. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32,
  2373. &ap_scan, error);
  2374. }
  2375. /**
  2376. * wpas_dbus_setter_ap_scan - Control roaming mode
  2377. * @iter: Pointer to incoming dbus message iter
  2378. * @error: Location to store error on failure
  2379. * @user_data: Function specific data
  2380. * Returns: TRUE on success, FALSE on failure
  2381. *
  2382. * Setter function for "ApScan" property.
  2383. */
  2384. dbus_bool_t wpas_dbus_setter_ap_scan(
  2385. const struct wpa_dbus_property_desc *property_desc,
  2386. DBusMessageIter *iter, DBusError *error, void *user_data)
  2387. {
  2388. struct wpa_supplicant *wpa_s = user_data;
  2389. dbus_uint32_t ap_scan;
  2390. if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32,
  2391. &ap_scan))
  2392. return FALSE;
  2393. if (wpa_supplicant_set_ap_scan(wpa_s, ap_scan)) {
  2394. dbus_set_error_const(error, DBUS_ERROR_FAILED,
  2395. "ap_scan must be 0, 1, or 2");
  2396. return FALSE;
  2397. }
  2398. return TRUE;
  2399. }
  2400. /**
  2401. * wpas_dbus_getter_fast_reauth - Control fast
  2402. * reauthentication (TLS session resumption)
  2403. * @iter: Pointer to incoming dbus message iter
  2404. * @error: Location to store error on failure
  2405. * @user_data: Function specific data
  2406. * Returns: TRUE on success, FALSE on failure
  2407. *
  2408. * Getter function for "FastReauth" property.
  2409. */
  2410. dbus_bool_t wpas_dbus_getter_fast_reauth(
  2411. const struct wpa_dbus_property_desc *property_desc,
  2412. DBusMessageIter *iter, DBusError *error, void *user_data)
  2413. {
  2414. struct wpa_supplicant *wpa_s = user_data;
  2415. dbus_bool_t fast_reauth = wpa_s->conf->fast_reauth ? TRUE : FALSE;
  2416. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
  2417. &fast_reauth, error);
  2418. }
  2419. /**
  2420. * wpas_dbus_setter_fast_reauth - Control fast
  2421. * reauthentication (TLS session resumption)
  2422. * @iter: Pointer to incoming dbus message iter
  2423. * @error: Location to store error on failure
  2424. * @user_data: Function specific data
  2425. * Returns: TRUE on success, FALSE on failure
  2426. *
  2427. * Setter function for "FastReauth" property.
  2428. */
  2429. dbus_bool_t wpas_dbus_setter_fast_reauth(
  2430. const struct wpa_dbus_property_desc *property_desc,
  2431. DBusMessageIter *iter, DBusError *error, void *user_data)
  2432. {
  2433. struct wpa_supplicant *wpa_s = user_data;
  2434. dbus_bool_t fast_reauth;
  2435. if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
  2436. &fast_reauth))
  2437. return FALSE;
  2438. wpa_s->conf->fast_reauth = fast_reauth;
  2439. return TRUE;
  2440. }
  2441. /**
  2442. * wpas_dbus_getter_disconnect_reason - Get most recent reason for disconnect
  2443. * @iter: Pointer to incoming dbus message iter
  2444. * @error: Location to store error on failure
  2445. * @user_data: Function specific data
  2446. * Returns: TRUE on success, FALSE on failure
  2447. *
  2448. * Getter for "DisconnectReason" property. The reason is negative if it is
  2449. * locally generated.
  2450. */
  2451. dbus_bool_t wpas_dbus_getter_disconnect_reason(
  2452. const struct wpa_dbus_property_desc *property_desc,
  2453. DBusMessageIter *iter, DBusError *error, void *user_data)
  2454. {
  2455. struct wpa_supplicant *wpa_s = user_data;
  2456. dbus_int32_t reason = wpa_s->disconnect_reason;
  2457. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32,
  2458. &reason, error);
  2459. }
  2460. /**
  2461. * wpas_dbus_getter_assoc_status_code - Get most recent failed assoc status code
  2462. * @iter: Pointer to incoming dbus message iter
  2463. * @error: Location to store error on failure
  2464. * @user_data: Function specific data
  2465. * Returns: TRUE on success, FALSE on failure
  2466. *
  2467. * Getter for "AssocStatusCode" property.
  2468. */
  2469. dbus_bool_t wpas_dbus_getter_assoc_status_code(
  2470. const struct wpa_dbus_property_desc *property_desc,
  2471. DBusMessageIter *iter, DBusError *error, void *user_data)
  2472. {
  2473. struct wpa_supplicant *wpa_s = user_data;
  2474. dbus_int32_t status_code = wpa_s->assoc_status_code;
  2475. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32,
  2476. &status_code, error);
  2477. }
  2478. /**
  2479. * wpas_dbus_getter_bss_expire_age - Get BSS entry expiration age
  2480. * @iter: Pointer to incoming dbus message iter
  2481. * @error: Location to store error on failure
  2482. * @user_data: Function specific data
  2483. * Returns: TRUE on success, FALSE on failure
  2484. *
  2485. * Getter function for "BSSExpireAge" property.
  2486. */
  2487. dbus_bool_t wpas_dbus_getter_bss_expire_age(
  2488. const struct wpa_dbus_property_desc *property_desc,
  2489. DBusMessageIter *iter, DBusError *error, void *user_data)
  2490. {
  2491. struct wpa_supplicant *wpa_s = user_data;
  2492. dbus_uint32_t expire_age = wpa_s->conf->bss_expiration_age;
  2493. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32,
  2494. &expire_age, error);
  2495. }
  2496. /**
  2497. * wpas_dbus_setter_bss_expire_age - Control BSS entry expiration age
  2498. * @iter: Pointer to incoming dbus message iter
  2499. * @error: Location to store error on failure
  2500. * @user_data: Function specific data
  2501. * Returns: TRUE on success, FALSE on failure
  2502. *
  2503. * Setter function for "BSSExpireAge" property.
  2504. */
  2505. dbus_bool_t wpas_dbus_setter_bss_expire_age(
  2506. const struct wpa_dbus_property_desc *property_desc,
  2507. DBusMessageIter *iter, DBusError *error, void *user_data)
  2508. {
  2509. struct wpa_supplicant *wpa_s = user_data;
  2510. dbus_uint32_t expire_age;
  2511. if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32,
  2512. &expire_age))
  2513. return FALSE;
  2514. if (wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age)) {
  2515. dbus_set_error_const(error, DBUS_ERROR_FAILED,
  2516. "BSSExpireAge must be >= 10");
  2517. return FALSE;
  2518. }
  2519. return TRUE;
  2520. }
  2521. /**
  2522. * wpas_dbus_getter_bss_expire_count - Get BSS entry expiration scan count
  2523. * @iter: Pointer to incoming dbus message iter
  2524. * @error: Location to store error on failure
  2525. * @user_data: Function specific data
  2526. * Returns: TRUE on success, FALSE on failure
  2527. *
  2528. * Getter function for "BSSExpireCount" property.
  2529. */
  2530. dbus_bool_t wpas_dbus_getter_bss_expire_count(
  2531. const struct wpa_dbus_property_desc *property_desc,
  2532. DBusMessageIter *iter, DBusError *error, void *user_data)
  2533. {
  2534. struct wpa_supplicant *wpa_s = user_data;
  2535. dbus_uint32_t expire_count = wpa_s->conf->bss_expiration_scan_count;
  2536. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32,
  2537. &expire_count, error);
  2538. }
  2539. /**
  2540. * wpas_dbus_setter_bss_expire_count - Control BSS entry expiration scan count
  2541. * @iter: Pointer to incoming dbus message iter
  2542. * @error: Location to store error on failure
  2543. * @user_data: Function specific data
  2544. * Returns: TRUE on success, FALSE on failure
  2545. *
  2546. * Setter function for "BSSExpireCount" property.
  2547. */
  2548. dbus_bool_t wpas_dbus_setter_bss_expire_count(
  2549. const struct wpa_dbus_property_desc *property_desc,
  2550. DBusMessageIter *iter, DBusError *error, void *user_data)
  2551. {
  2552. struct wpa_supplicant *wpa_s = user_data;
  2553. dbus_uint32_t expire_count;
  2554. if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32,
  2555. &expire_count))
  2556. return FALSE;
  2557. if (wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count)) {
  2558. dbus_set_error_const(error, DBUS_ERROR_FAILED,
  2559. "BSSExpireCount must be > 0");
  2560. return FALSE;
  2561. }
  2562. return TRUE;
  2563. }
  2564. /**
  2565. * wpas_dbus_getter_country - Control country code
  2566. * @iter: Pointer to incoming dbus message iter
  2567. * @error: Location to store error on failure
  2568. * @user_data: Function specific data
  2569. * Returns: TRUE on success, FALSE on failure
  2570. *
  2571. * Getter function for "Country" property.
  2572. */
  2573. dbus_bool_t wpas_dbus_getter_country(
  2574. const struct wpa_dbus_property_desc *property_desc,
  2575. DBusMessageIter *iter, DBusError *error, void *user_data)
  2576. {
  2577. struct wpa_supplicant *wpa_s = user_data;
  2578. char country[3];
  2579. char *str = country;
  2580. country[0] = wpa_s->conf->country[0];
  2581. country[1] = wpa_s->conf->country[1];
  2582. country[2] = '\0';
  2583. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
  2584. &str, error);
  2585. }
  2586. /**
  2587. * wpas_dbus_setter_country - Control country code
  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. * Setter function for "Country" property.
  2594. */
  2595. dbus_bool_t wpas_dbus_setter_country(
  2596. const struct wpa_dbus_property_desc *property_desc,
  2597. DBusMessageIter *iter, DBusError *error, void *user_data)
  2598. {
  2599. struct wpa_supplicant *wpa_s = user_data;
  2600. const char *country;
  2601. if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_STRING,
  2602. &country))
  2603. return FALSE;
  2604. if (!country[0] || !country[1]) {
  2605. dbus_set_error_const(error, DBUS_ERROR_FAILED,
  2606. "invalid country code");
  2607. return FALSE;
  2608. }
  2609. if (wpa_s->drv_priv != NULL && wpa_drv_set_country(wpa_s, country)) {
  2610. wpa_printf(MSG_DEBUG, "Failed to set country");
  2611. dbus_set_error_const(error, DBUS_ERROR_FAILED,
  2612. "failed to set country code");
  2613. return FALSE;
  2614. }
  2615. wpa_s->conf->country[0] = country[0];
  2616. wpa_s->conf->country[1] = country[1];
  2617. return TRUE;
  2618. }
  2619. /**
  2620. * wpas_dbus_getter_scan_interval - Get scan interval
  2621. * @iter: Pointer to incoming dbus message iter
  2622. * @error: Location to store error on failure
  2623. * @user_data: Function specific data
  2624. * Returns: TRUE on success, FALSE on failure
  2625. *
  2626. * Getter function for "ScanInterval" property.
  2627. */
  2628. dbus_bool_t wpas_dbus_getter_scan_interval(
  2629. const struct wpa_dbus_property_desc *property_desc,
  2630. DBusMessageIter *iter, DBusError *error, void *user_data)
  2631. {
  2632. struct wpa_supplicant *wpa_s = user_data;
  2633. dbus_int32_t scan_interval = wpa_s->scan_interval;
  2634. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32,
  2635. &scan_interval, error);
  2636. }
  2637. /**
  2638. * wpas_dbus_setter_scan_interval - Control scan interval
  2639. * @iter: Pointer to incoming dbus message iter
  2640. * @error: Location to store error on failure
  2641. * @user_data: Function specific data
  2642. * Returns: TRUE on success, FALSE on failure
  2643. *
  2644. * Setter function for "ScanInterval" property.
  2645. */
  2646. dbus_bool_t wpas_dbus_setter_scan_interval(
  2647. const struct wpa_dbus_property_desc *property_desc,
  2648. DBusMessageIter *iter, DBusError *error, void *user_data)
  2649. {
  2650. struct wpa_supplicant *wpa_s = user_data;
  2651. dbus_int32_t scan_interval;
  2652. if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_INT32,
  2653. &scan_interval))
  2654. return FALSE;
  2655. if (wpa_supplicant_set_scan_interval(wpa_s, scan_interval)) {
  2656. dbus_set_error_const(error, DBUS_ERROR_FAILED,
  2657. "scan_interval must be >= 0");
  2658. return FALSE;
  2659. }
  2660. return TRUE;
  2661. }
  2662. /**
  2663. * wpas_dbus_getter_ifname - Get interface name
  2664. * @iter: Pointer to incoming dbus message iter
  2665. * @error: Location to store error on failure
  2666. * @user_data: Function specific data
  2667. * Returns: TRUE on success, FALSE on failure
  2668. *
  2669. * Getter for "Ifname" property.
  2670. */
  2671. dbus_bool_t wpas_dbus_getter_ifname(
  2672. const struct wpa_dbus_property_desc *property_desc,
  2673. DBusMessageIter *iter, DBusError *error, void *user_data)
  2674. {
  2675. struct wpa_supplicant *wpa_s = user_data;
  2676. const char *ifname = wpa_s->ifname;
  2677. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
  2678. &ifname, error);
  2679. }
  2680. /**
  2681. * wpas_dbus_getter_driver - Get interface name
  2682. * @iter: Pointer to incoming dbus message iter
  2683. * @error: Location to store error on failure
  2684. * @user_data: Function specific data
  2685. * Returns: TRUE on success, FALSE on failure
  2686. *
  2687. * Getter for "Driver" property.
  2688. */
  2689. dbus_bool_t wpas_dbus_getter_driver(
  2690. const struct wpa_dbus_property_desc *property_desc,
  2691. DBusMessageIter *iter, DBusError *error, void *user_data)
  2692. {
  2693. struct wpa_supplicant *wpa_s = user_data;
  2694. const char *driver;
  2695. if (wpa_s->driver == NULL || wpa_s->driver->name == NULL) {
  2696. wpa_printf(MSG_DEBUG, "%s[dbus]: wpa_s has no driver set",
  2697. __func__);
  2698. dbus_set_error(error, DBUS_ERROR_FAILED, "%s: no driver set",
  2699. __func__);
  2700. return FALSE;
  2701. }
  2702. driver = wpa_s->driver->name;
  2703. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
  2704. &driver, error);
  2705. }
  2706. /**
  2707. * wpas_dbus_getter_current_bss - Get current bss object path
  2708. * @iter: Pointer to incoming dbus message iter
  2709. * @error: Location to store error on failure
  2710. * @user_data: Function specific data
  2711. * Returns: TRUE on success, FALSE on failure
  2712. *
  2713. * Getter for "CurrentBSS" property.
  2714. */
  2715. dbus_bool_t wpas_dbus_getter_current_bss(
  2716. const struct wpa_dbus_property_desc *property_desc,
  2717. DBusMessageIter *iter, DBusError *error, void *user_data)
  2718. {
  2719. struct wpa_supplicant *wpa_s = user_data;
  2720. char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *bss_obj_path = path_buf;
  2721. if (wpa_s->current_bss && wpa_s->dbus_new_path)
  2722. os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
  2723. "%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
  2724. wpa_s->dbus_new_path, wpa_s->current_bss->id);
  2725. else
  2726. os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, "/");
  2727. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_OBJECT_PATH,
  2728. &bss_obj_path, error);
  2729. }
  2730. /**
  2731. * wpas_dbus_getter_current_network - Get current network object path
  2732. * @iter: Pointer to incoming dbus message iter
  2733. * @error: Location to store error on failure
  2734. * @user_data: Function specific data
  2735. * Returns: TRUE on success, FALSE on failure
  2736. *
  2737. * Getter for "CurrentNetwork" property.
  2738. */
  2739. dbus_bool_t wpas_dbus_getter_current_network(
  2740. const struct wpa_dbus_property_desc *property_desc,
  2741. DBusMessageIter *iter, DBusError *error, void *user_data)
  2742. {
  2743. struct wpa_supplicant *wpa_s = user_data;
  2744. char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *net_obj_path = path_buf;
  2745. if (wpa_s->current_ssid && wpa_s->dbus_new_path)
  2746. os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
  2747. "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%u",
  2748. wpa_s->dbus_new_path, wpa_s->current_ssid->id);
  2749. else
  2750. os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, "/");
  2751. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_OBJECT_PATH,
  2752. &net_obj_path, error);
  2753. }
  2754. /**
  2755. * wpas_dbus_getter_current_auth_mode - Get current authentication type
  2756. * @iter: Pointer to incoming dbus message iter
  2757. * @error: Location to store error on failure
  2758. * @user_data: Function specific data
  2759. * Returns: TRUE on success, FALSE on failure
  2760. *
  2761. * Getter for "CurrentAuthMode" property.
  2762. */
  2763. dbus_bool_t wpas_dbus_getter_current_auth_mode(
  2764. const struct wpa_dbus_property_desc *property_desc,
  2765. DBusMessageIter *iter, DBusError *error, void *user_data)
  2766. {
  2767. struct wpa_supplicant *wpa_s = user_data;
  2768. const char *eap_mode;
  2769. const char *auth_mode;
  2770. char eap_mode_buf[WPAS_DBUS_AUTH_MODE_MAX];
  2771. if (wpa_s->wpa_state != WPA_COMPLETED) {
  2772. auth_mode = "INACTIVE";
  2773. } else if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X ||
  2774. wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
  2775. eap_mode = wpa_supplicant_get_eap_mode(wpa_s);
  2776. os_snprintf(eap_mode_buf, WPAS_DBUS_AUTH_MODE_MAX,
  2777. "EAP-%s", eap_mode);
  2778. auth_mode = eap_mode_buf;
  2779. } else {
  2780. auth_mode = wpa_key_mgmt_txt(wpa_s->key_mgmt,
  2781. wpa_s->current_ssid->proto);
  2782. }
  2783. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
  2784. &auth_mode, error);
  2785. }
  2786. /**
  2787. * wpas_dbus_getter_bridge_ifname - Get interface name
  2788. * @iter: Pointer to incoming dbus message iter
  2789. * @error: Location to store error on failure
  2790. * @user_data: Function specific data
  2791. * Returns: TRUE on success, FALSE on failure
  2792. *
  2793. * Getter for "BridgeIfname" property.
  2794. */
  2795. dbus_bool_t wpas_dbus_getter_bridge_ifname(
  2796. const struct wpa_dbus_property_desc *property_desc,
  2797. DBusMessageIter *iter, DBusError *error, void *user_data)
  2798. {
  2799. struct wpa_supplicant *wpa_s = user_data;
  2800. const char *bridge_ifname = wpa_s->bridge_ifname;
  2801. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
  2802. &bridge_ifname, error);
  2803. }
  2804. /**
  2805. * wpas_dbus_getter_bsss - Get array of BSSs objects
  2806. * @iter: Pointer to incoming dbus message iter
  2807. * @error: Location to store error on failure
  2808. * @user_data: Function specific data
  2809. * Returns: TRUE on success, FALSE on failure
  2810. *
  2811. * Getter for "BSSs" property.
  2812. */
  2813. dbus_bool_t wpas_dbus_getter_bsss(
  2814. const struct wpa_dbus_property_desc *property_desc,
  2815. DBusMessageIter *iter, DBusError *error, void *user_data)
  2816. {
  2817. struct wpa_supplicant *wpa_s = user_data;
  2818. struct wpa_bss *bss;
  2819. char **paths;
  2820. unsigned int i = 0;
  2821. dbus_bool_t success = FALSE;
  2822. if (!wpa_s->dbus_new_path) {
  2823. dbus_set_error(error, DBUS_ERROR_FAILED,
  2824. "%s: no D-Bus interface", __func__);
  2825. return FALSE;
  2826. }
  2827. paths = os_calloc(wpa_s->num_bss, sizeof(char *));
  2828. if (!paths) {
  2829. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
  2830. return FALSE;
  2831. }
  2832. /* Loop through scan results and append each result's object path */
  2833. dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
  2834. paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
  2835. if (paths[i] == NULL) {
  2836. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
  2837. "no memory");
  2838. goto out;
  2839. }
  2840. /* Construct the object path for this BSS. */
  2841. os_snprintf(paths[i++], WPAS_DBUS_OBJECT_PATH_MAX,
  2842. "%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
  2843. wpa_s->dbus_new_path, bss->id);
  2844. }
  2845. success = wpas_dbus_simple_array_property_getter(iter,
  2846. DBUS_TYPE_OBJECT_PATH,
  2847. paths, wpa_s->num_bss,
  2848. error);
  2849. out:
  2850. while (i)
  2851. os_free(paths[--i]);
  2852. os_free(paths);
  2853. return success;
  2854. }
  2855. /**
  2856. * wpas_dbus_getter_networks - Get array of networks objects
  2857. * @iter: Pointer to incoming dbus message iter
  2858. * @error: Location to store error on failure
  2859. * @user_data: Function specific data
  2860. * Returns: TRUE on success, FALSE on failure
  2861. *
  2862. * Getter for "Networks" property.
  2863. */
  2864. dbus_bool_t wpas_dbus_getter_networks(
  2865. const struct wpa_dbus_property_desc *property_desc,
  2866. DBusMessageIter *iter, DBusError *error, void *user_data)
  2867. {
  2868. struct wpa_supplicant *wpa_s = user_data;
  2869. struct wpa_ssid *ssid;
  2870. char **paths;
  2871. unsigned int i = 0, num = 0;
  2872. dbus_bool_t success = FALSE;
  2873. if (!wpa_s->dbus_new_path) {
  2874. dbus_set_error(error, DBUS_ERROR_FAILED,
  2875. "%s: no D-Bus interface", __func__);
  2876. return FALSE;
  2877. }
  2878. for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)
  2879. if (!network_is_persistent_group(ssid))
  2880. num++;
  2881. paths = os_calloc(num, sizeof(char *));
  2882. if (!paths) {
  2883. dbus_set_error(error, DBUS_ERROR_NO_MEMORY, "no memory");
  2884. return FALSE;
  2885. }
  2886. /* Loop through configured networks and append object path of each */
  2887. for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
  2888. if (network_is_persistent_group(ssid))
  2889. continue;
  2890. paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
  2891. if (paths[i] == NULL) {
  2892. dbus_set_error(error, DBUS_ERROR_NO_MEMORY,
  2893. "no memory");
  2894. goto out;
  2895. }
  2896. /* Construct the object path for this network. */
  2897. os_snprintf(paths[i++], WPAS_DBUS_OBJECT_PATH_MAX,
  2898. "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%d",
  2899. wpa_s->dbus_new_path, ssid->id);
  2900. }
  2901. success = wpas_dbus_simple_array_property_getter(iter,
  2902. DBUS_TYPE_OBJECT_PATH,
  2903. paths, num, error);
  2904. out:
  2905. while (i)
  2906. os_free(paths[--i]);
  2907. os_free(paths);
  2908. return success;
  2909. }
  2910. /**
  2911. * wpas_dbus_getter_pkcs11_engine_path - Get PKCS #11 engine path
  2912. * @iter: Pointer to incoming dbus message iter
  2913. * @error: Location to store error on failure
  2914. * @user_data: Function specific data
  2915. * Returns: A dbus message containing the PKCS #11 engine path
  2916. *
  2917. * Getter for "PKCS11EnginePath" property.
  2918. */
  2919. dbus_bool_t wpas_dbus_getter_pkcs11_engine_path(
  2920. const struct wpa_dbus_property_desc *property_desc,
  2921. DBusMessageIter *iter, DBusError *error, void *user_data)
  2922. {
  2923. struct wpa_supplicant *wpa_s = user_data;
  2924. const char *pkcs11_engine_path;
  2925. if (wpa_s->conf->pkcs11_engine_path == NULL)
  2926. pkcs11_engine_path = "";
  2927. else
  2928. pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
  2929. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
  2930. &pkcs11_engine_path, error);
  2931. }
  2932. /**
  2933. * wpas_dbus_getter_pkcs11_module_path - Get PKCS #11 module path
  2934. * @iter: Pointer to incoming dbus message iter
  2935. * @error: Location to store error on failure
  2936. * @user_data: Function specific data
  2937. * Returns: A dbus message containing the PKCS #11 module path
  2938. *
  2939. * Getter for "PKCS11ModulePath" property.
  2940. */
  2941. dbus_bool_t wpas_dbus_getter_pkcs11_module_path(
  2942. const struct wpa_dbus_property_desc *property_desc,
  2943. DBusMessageIter *iter, DBusError *error, void *user_data)
  2944. {
  2945. struct wpa_supplicant *wpa_s = user_data;
  2946. const char *pkcs11_module_path;
  2947. if (wpa_s->conf->pkcs11_module_path == NULL)
  2948. pkcs11_module_path = "";
  2949. else
  2950. pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
  2951. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
  2952. &pkcs11_module_path, error);
  2953. }
  2954. /**
  2955. * wpas_dbus_getter_blobs - Get all blobs defined for this interface
  2956. * @iter: Pointer to incoming dbus message iter
  2957. * @error: Location to store error on failure
  2958. * @user_data: Function specific data
  2959. * Returns: TRUE on success, FALSE on failure
  2960. *
  2961. * Getter for "Blobs" property.
  2962. */
  2963. dbus_bool_t wpas_dbus_getter_blobs(
  2964. const struct wpa_dbus_property_desc *property_desc,
  2965. DBusMessageIter *iter, DBusError *error, void *user_data)
  2966. {
  2967. struct wpa_supplicant *wpa_s = user_data;
  2968. DBusMessageIter variant_iter, dict_iter, entry_iter, array_iter;
  2969. struct wpa_config_blob *blob;
  2970. if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
  2971. "a{say}", &variant_iter) ||
  2972. !dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
  2973. "{say}", &dict_iter)) {
  2974. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
  2975. return FALSE;
  2976. }
  2977. blob = wpa_s->conf->blobs;
  2978. while (blob) {
  2979. if (!dbus_message_iter_open_container(&dict_iter,
  2980. DBUS_TYPE_DICT_ENTRY,
  2981. NULL, &entry_iter) ||
  2982. !dbus_message_iter_append_basic(&entry_iter,
  2983. DBUS_TYPE_STRING,
  2984. &(blob->name)) ||
  2985. !dbus_message_iter_open_container(&entry_iter,
  2986. DBUS_TYPE_ARRAY,
  2987. DBUS_TYPE_BYTE_AS_STRING,
  2988. &array_iter) ||
  2989. !dbus_message_iter_append_fixed_array(&array_iter,
  2990. DBUS_TYPE_BYTE,
  2991. &(blob->data),
  2992. blob->len) ||
  2993. !dbus_message_iter_close_container(&entry_iter,
  2994. &array_iter) ||
  2995. !dbus_message_iter_close_container(&dict_iter,
  2996. &entry_iter)) {
  2997. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
  2998. "no memory");
  2999. return FALSE;
  3000. }
  3001. blob = blob->next;
  3002. }
  3003. if (!dbus_message_iter_close_container(&variant_iter, &dict_iter) ||
  3004. !dbus_message_iter_close_container(iter, &variant_iter)) {
  3005. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
  3006. return FALSE;
  3007. }
  3008. return TRUE;
  3009. }
  3010. dbus_bool_t wpas_dbus_getter_iface_global(
  3011. const struct wpa_dbus_property_desc *property_desc,
  3012. DBusMessageIter *iter, DBusError *error, void *user_data)
  3013. {
  3014. struct wpa_supplicant *wpa_s = user_data;
  3015. int ret;
  3016. char buf[250];
  3017. char *p = buf;
  3018. if (!property_desc->data) {
  3019. dbus_set_error(error, DBUS_ERROR_INVALID_ARGS,
  3020. "Unhandled interface property %s",
  3021. property_desc->dbus_property);
  3022. return FALSE;
  3023. }
  3024. ret = wpa_config_get_value(property_desc->data, wpa_s->conf, buf,
  3025. sizeof(buf));
  3026. if (ret < 0)
  3027. *p = '\0';
  3028. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING, &p,
  3029. error);
  3030. }
  3031. dbus_bool_t wpas_dbus_setter_iface_global(
  3032. const struct wpa_dbus_property_desc *property_desc,
  3033. DBusMessageIter *iter, DBusError *error, void *user_data)
  3034. {
  3035. struct wpa_supplicant *wpa_s = user_data;
  3036. const char *new_value = NULL;
  3037. char buf[250];
  3038. size_t combined_len;
  3039. int ret;
  3040. if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_STRING,
  3041. &new_value))
  3042. return FALSE;
  3043. combined_len = os_strlen(property_desc->data) + os_strlen(new_value) +
  3044. 3;
  3045. if (combined_len >= sizeof(buf)) {
  3046. dbus_set_error(error, DBUS_ERROR_INVALID_ARGS,
  3047. "Interface property %s value too large",
  3048. property_desc->dbus_property);
  3049. return FALSE;
  3050. }
  3051. if (!new_value[0])
  3052. new_value = "NULL";
  3053. ret = os_snprintf(buf, combined_len, "%s=%s", property_desc->data,
  3054. new_value);
  3055. if (os_snprintf_error(combined_len, ret)) {
  3056. dbus_set_error(error, WPAS_DBUS_ERROR_UNKNOWN_ERROR,
  3057. "Failed to construct new interface property %s",
  3058. property_desc->dbus_property);
  3059. return FALSE;
  3060. }
  3061. if (wpa_config_process_global(wpa_s->conf, buf, -1)) {
  3062. dbus_set_error(error, DBUS_ERROR_INVALID_ARGS,
  3063. "Failed to set interface property %s",
  3064. property_desc->dbus_property);
  3065. return FALSE;
  3066. }
  3067. wpa_supplicant_update_config(wpa_s);
  3068. return TRUE;
  3069. }
  3070. static struct wpa_bss * get_bss_helper(struct bss_handler_args *args,
  3071. DBusError *error, const char *func_name)
  3072. {
  3073. struct wpa_bss *res = wpa_bss_get_id(args->wpa_s, args->id);
  3074. if (!res) {
  3075. wpa_printf(MSG_ERROR, "%s[dbus]: no bss with id %d found",
  3076. func_name, args->id);
  3077. dbus_set_error(error, DBUS_ERROR_FAILED,
  3078. "%s: BSS %d not found",
  3079. func_name, args->id);
  3080. }
  3081. return res;
  3082. }
  3083. /**
  3084. * wpas_dbus_getter_bss_bssid - Return the BSSID of a BSS
  3085. * @iter: Pointer to incoming dbus message iter
  3086. * @error: Location to store error on failure
  3087. * @user_data: Function specific data
  3088. * Returns: TRUE on success, FALSE on failure
  3089. *
  3090. * Getter for "BSSID" property.
  3091. */
  3092. dbus_bool_t wpas_dbus_getter_bss_bssid(
  3093. const struct wpa_dbus_property_desc *property_desc,
  3094. DBusMessageIter *iter, DBusError *error, void *user_data)
  3095. {
  3096. struct bss_handler_args *args = user_data;
  3097. struct wpa_bss *res;
  3098. res = get_bss_helper(args, error, __func__);
  3099. if (!res)
  3100. return FALSE;
  3101. return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
  3102. res->bssid, ETH_ALEN,
  3103. error);
  3104. }
  3105. /**
  3106. * wpas_dbus_getter_bss_ssid - Return the SSID of a BSS
  3107. * @iter: Pointer to incoming dbus message iter
  3108. * @error: Location to store error on failure
  3109. * @user_data: Function specific data
  3110. * Returns: TRUE on success, FALSE on failure
  3111. *
  3112. * Getter for "SSID" property.
  3113. */
  3114. dbus_bool_t wpas_dbus_getter_bss_ssid(
  3115. const struct wpa_dbus_property_desc *property_desc,
  3116. DBusMessageIter *iter, DBusError *error, void *user_data)
  3117. {
  3118. struct bss_handler_args *args = user_data;
  3119. struct wpa_bss *res;
  3120. res = get_bss_helper(args, error, __func__);
  3121. if (!res)
  3122. return FALSE;
  3123. return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
  3124. res->ssid, res->ssid_len,
  3125. error);
  3126. }
  3127. /**
  3128. * wpas_dbus_getter_bss_privacy - Return the privacy flag of a BSS
  3129. * @iter: Pointer to incoming dbus message iter
  3130. * @error: Location to store error on failure
  3131. * @user_data: Function specific data
  3132. * Returns: TRUE on success, FALSE on failure
  3133. *
  3134. * Getter for "Privacy" property.
  3135. */
  3136. dbus_bool_t wpas_dbus_getter_bss_privacy(
  3137. const struct wpa_dbus_property_desc *property_desc,
  3138. DBusMessageIter *iter, DBusError *error, void *user_data)
  3139. {
  3140. struct bss_handler_args *args = user_data;
  3141. struct wpa_bss *res;
  3142. dbus_bool_t privacy;
  3143. res = get_bss_helper(args, error, __func__);
  3144. if (!res)
  3145. return FALSE;
  3146. privacy = (res->caps & IEEE80211_CAP_PRIVACY) ? TRUE : FALSE;
  3147. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
  3148. &privacy, error);
  3149. }
  3150. /**
  3151. * wpas_dbus_getter_bss_mode - Return the mode of a BSS
  3152. * @iter: Pointer to incoming dbus message iter
  3153. * @error: Location to store error on failure
  3154. * @user_data: Function specific data
  3155. * Returns: TRUE on success, FALSE on failure
  3156. *
  3157. * Getter for "Mode" property.
  3158. */
  3159. dbus_bool_t wpas_dbus_getter_bss_mode(
  3160. const struct wpa_dbus_property_desc *property_desc,
  3161. DBusMessageIter *iter, DBusError *error, void *user_data)
  3162. {
  3163. struct bss_handler_args *args = user_data;
  3164. struct wpa_bss *res;
  3165. const char *mode;
  3166. res = get_bss_helper(args, error, __func__);
  3167. if (!res)
  3168. return FALSE;
  3169. if (bss_is_dmg(res)) {
  3170. switch (res->caps & IEEE80211_CAP_DMG_MASK) {
  3171. case IEEE80211_CAP_DMG_PBSS:
  3172. case IEEE80211_CAP_DMG_IBSS:
  3173. mode = "ad-hoc";
  3174. break;
  3175. case IEEE80211_CAP_DMG_AP:
  3176. mode = "infrastructure";
  3177. break;
  3178. }
  3179. } else {
  3180. if (res->caps & IEEE80211_CAP_IBSS)
  3181. mode = "ad-hoc";
  3182. else
  3183. mode = "infrastructure";
  3184. }
  3185. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
  3186. &mode, error);
  3187. }
  3188. /**
  3189. * wpas_dbus_getter_bss_level - Return the signal strength of a BSS
  3190. * @iter: Pointer to incoming dbus message iter
  3191. * @error: Location to store error on failure
  3192. * @user_data: Function specific data
  3193. * Returns: TRUE on success, FALSE on failure
  3194. *
  3195. * Getter for "Level" property.
  3196. */
  3197. dbus_bool_t wpas_dbus_getter_bss_signal(
  3198. const struct wpa_dbus_property_desc *property_desc,
  3199. DBusMessageIter *iter, DBusError *error, void *user_data)
  3200. {
  3201. struct bss_handler_args *args = user_data;
  3202. struct wpa_bss *res;
  3203. s16 level;
  3204. res = get_bss_helper(args, error, __func__);
  3205. if (!res)
  3206. return FALSE;
  3207. level = (s16) res->level;
  3208. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT16,
  3209. &level, error);
  3210. }
  3211. /**
  3212. * wpas_dbus_getter_bss_frequency - Return the frequency of a BSS
  3213. * @iter: Pointer to incoming dbus message iter
  3214. * @error: Location to store error on failure
  3215. * @user_data: Function specific data
  3216. * Returns: TRUE on success, FALSE on failure
  3217. *
  3218. * Getter for "Frequency" property.
  3219. */
  3220. dbus_bool_t wpas_dbus_getter_bss_frequency(
  3221. const struct wpa_dbus_property_desc *property_desc,
  3222. DBusMessageIter *iter, DBusError *error, void *user_data)
  3223. {
  3224. struct bss_handler_args *args = user_data;
  3225. struct wpa_bss *res;
  3226. u16 freq;
  3227. res = get_bss_helper(args, error, __func__);
  3228. if (!res)
  3229. return FALSE;
  3230. freq = (u16) res->freq;
  3231. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT16,
  3232. &freq, error);
  3233. }
  3234. static int cmp_u8s_desc(const void *a, const void *b)
  3235. {
  3236. return (*(u8 *) b - *(u8 *) a);
  3237. }
  3238. /**
  3239. * wpas_dbus_getter_bss_rates - Return available bit rates of a BSS
  3240. * @iter: Pointer to incoming dbus message iter
  3241. * @error: Location to store error on failure
  3242. * @user_data: Function specific data
  3243. * Returns: TRUE on success, FALSE on failure
  3244. *
  3245. * Getter for "Rates" property.
  3246. */
  3247. dbus_bool_t wpas_dbus_getter_bss_rates(
  3248. const struct wpa_dbus_property_desc *property_desc,
  3249. DBusMessageIter *iter, DBusError *error, void *user_data)
  3250. {
  3251. struct bss_handler_args *args = user_data;
  3252. struct wpa_bss *res;
  3253. u8 *ie_rates = NULL;
  3254. u32 *real_rates;
  3255. int rates_num, i;
  3256. dbus_bool_t success = FALSE;
  3257. res = get_bss_helper(args, error, __func__);
  3258. if (!res)
  3259. return FALSE;
  3260. rates_num = wpa_bss_get_bit_rates(res, &ie_rates);
  3261. if (rates_num < 0)
  3262. return FALSE;
  3263. qsort(ie_rates, rates_num, 1, cmp_u8s_desc);
  3264. real_rates = os_malloc(sizeof(u32) * rates_num);
  3265. if (!real_rates) {
  3266. os_free(ie_rates);
  3267. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
  3268. return FALSE;
  3269. }
  3270. for (i = 0; i < rates_num; i++)
  3271. real_rates[i] = ie_rates[i] * 500000;
  3272. success = wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_UINT32,
  3273. real_rates, rates_num,
  3274. error);
  3275. os_free(ie_rates);
  3276. os_free(real_rates);
  3277. return success;
  3278. }
  3279. static dbus_bool_t wpas_dbus_get_bss_security_prop(
  3280. const struct wpa_dbus_property_desc *property_desc,
  3281. DBusMessageIter *iter, struct wpa_ie_data *ie_data, DBusError *error)
  3282. {
  3283. DBusMessageIter iter_dict, variant_iter;
  3284. const char *group;
  3285. const char *pairwise[5]; /* max 5 pairwise ciphers is supported */
  3286. const char *key_mgmt[9]; /* max 9 key managements may be supported */
  3287. int n;
  3288. if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
  3289. "a{sv}", &variant_iter))
  3290. goto nomem;
  3291. if (!wpa_dbus_dict_open_write(&variant_iter, &iter_dict))
  3292. goto nomem;
  3293. /* KeyMgmt */
  3294. n = 0;
  3295. if (ie_data->key_mgmt & WPA_KEY_MGMT_PSK)
  3296. key_mgmt[n++] = "wpa-psk";
  3297. if (ie_data->key_mgmt & WPA_KEY_MGMT_FT_PSK)
  3298. key_mgmt[n++] = "wpa-ft-psk";
  3299. if (ie_data->key_mgmt & WPA_KEY_MGMT_PSK_SHA256)
  3300. key_mgmt[n++] = "wpa-psk-sha256";
  3301. if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X)
  3302. key_mgmt[n++] = "wpa-eap";
  3303. if (ie_data->key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X)
  3304. key_mgmt[n++] = "wpa-ft-eap";
  3305. if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256)
  3306. key_mgmt[n++] = "wpa-eap-sha256";
  3307. #ifdef CONFIG_SUITEB
  3308. if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B)
  3309. key_mgmt[n++] = "wpa-eap-suite-b";
  3310. #endif /* CONFIG_SUITEB */
  3311. #ifdef CONFIG_SUITEB192
  3312. if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192)
  3313. key_mgmt[n++] = "wpa-eap-suite-b-192";
  3314. #endif /* CONFIG_SUITEB192 */
  3315. if (ie_data->key_mgmt & WPA_KEY_MGMT_NONE)
  3316. key_mgmt[n++] = "wpa-none";
  3317. if (!wpa_dbus_dict_append_string_array(&iter_dict, "KeyMgmt",
  3318. key_mgmt, n))
  3319. goto nomem;
  3320. /* Group */
  3321. switch (ie_data->group_cipher) {
  3322. case WPA_CIPHER_WEP40:
  3323. group = "wep40";
  3324. break;
  3325. case WPA_CIPHER_TKIP:
  3326. group = "tkip";
  3327. break;
  3328. case WPA_CIPHER_CCMP:
  3329. group = "ccmp";
  3330. break;
  3331. case WPA_CIPHER_GCMP:
  3332. group = "gcmp";
  3333. break;
  3334. case WPA_CIPHER_WEP104:
  3335. group = "wep104";
  3336. break;
  3337. case WPA_CIPHER_CCMP_256:
  3338. group = "ccmp-256";
  3339. break;
  3340. case WPA_CIPHER_GCMP_256:
  3341. group = "gcmp-256";
  3342. break;
  3343. default:
  3344. group = "";
  3345. break;
  3346. }
  3347. if (!wpa_dbus_dict_append_string(&iter_dict, "Group", group))
  3348. goto nomem;
  3349. /* Pairwise */
  3350. n = 0;
  3351. if (ie_data->pairwise_cipher & WPA_CIPHER_TKIP)
  3352. pairwise[n++] = "tkip";
  3353. if (ie_data->pairwise_cipher & WPA_CIPHER_CCMP)
  3354. pairwise[n++] = "ccmp";
  3355. if (ie_data->pairwise_cipher & WPA_CIPHER_GCMP)
  3356. pairwise[n++] = "gcmp";
  3357. if (ie_data->pairwise_cipher & WPA_CIPHER_CCMP_256)
  3358. pairwise[n++] = "ccmp-256";
  3359. if (ie_data->pairwise_cipher & WPA_CIPHER_GCMP_256)
  3360. pairwise[n++] = "gcmp-256";
  3361. if (!wpa_dbus_dict_append_string_array(&iter_dict, "Pairwise",
  3362. pairwise, n))
  3363. goto nomem;
  3364. /* Management group (RSN only) */
  3365. if (ie_data->proto == WPA_PROTO_RSN) {
  3366. switch (ie_data->mgmt_group_cipher) {
  3367. #ifdef CONFIG_IEEE80211W
  3368. case WPA_CIPHER_AES_128_CMAC:
  3369. group = "aes128cmac";
  3370. break;
  3371. #endif /* CONFIG_IEEE80211W */
  3372. default:
  3373. group = "";
  3374. break;
  3375. }
  3376. if (!wpa_dbus_dict_append_string(&iter_dict, "MgmtGroup",
  3377. group))
  3378. goto nomem;
  3379. }
  3380. if (!wpa_dbus_dict_close_write(&variant_iter, &iter_dict) ||
  3381. !dbus_message_iter_close_container(iter, &variant_iter))
  3382. goto nomem;
  3383. return TRUE;
  3384. nomem:
  3385. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
  3386. return FALSE;
  3387. }
  3388. /**
  3389. * wpas_dbus_getter_bss_wpa - Return the WPA options of a BSS
  3390. * @iter: Pointer to incoming dbus message iter
  3391. * @error: Location to store error on failure
  3392. * @user_data: Function specific data
  3393. * Returns: TRUE on success, FALSE on failure
  3394. *
  3395. * Getter for "WPA" property.
  3396. */
  3397. dbus_bool_t wpas_dbus_getter_bss_wpa(
  3398. const struct wpa_dbus_property_desc *property_desc,
  3399. DBusMessageIter *iter, DBusError *error, void *user_data)
  3400. {
  3401. struct bss_handler_args *args = user_data;
  3402. struct wpa_bss *res;
  3403. struct wpa_ie_data wpa_data;
  3404. const u8 *ie;
  3405. res = get_bss_helper(args, error, __func__);
  3406. if (!res)
  3407. return FALSE;
  3408. os_memset(&wpa_data, 0, sizeof(wpa_data));
  3409. ie = wpa_bss_get_vendor_ie(res, WPA_IE_VENDOR_TYPE);
  3410. if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &wpa_data) < 0) {
  3411. dbus_set_error_const(error, DBUS_ERROR_FAILED,
  3412. "failed to parse WPA IE");
  3413. return FALSE;
  3414. }
  3415. return wpas_dbus_get_bss_security_prop(property_desc, iter, &wpa_data, error);
  3416. }
  3417. /**
  3418. * wpas_dbus_getter_bss_rsn - Return the RSN options of a BSS
  3419. * @iter: Pointer to incoming dbus message iter
  3420. * @error: Location to store error on failure
  3421. * @user_data: Function specific data
  3422. * Returns: TRUE on success, FALSE on failure
  3423. *
  3424. * Getter for "RSN" property.
  3425. */
  3426. dbus_bool_t wpas_dbus_getter_bss_rsn(
  3427. const struct wpa_dbus_property_desc *property_desc,
  3428. DBusMessageIter *iter, DBusError *error, void *user_data)
  3429. {
  3430. struct bss_handler_args *args = user_data;
  3431. struct wpa_bss *res;
  3432. struct wpa_ie_data wpa_data;
  3433. const u8 *ie;
  3434. res = get_bss_helper(args, error, __func__);
  3435. if (!res)
  3436. return FALSE;
  3437. os_memset(&wpa_data, 0, sizeof(wpa_data));
  3438. ie = wpa_bss_get_ie(res, WLAN_EID_RSN);
  3439. if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &wpa_data) < 0) {
  3440. dbus_set_error_const(error, DBUS_ERROR_FAILED,
  3441. "failed to parse RSN IE");
  3442. return FALSE;
  3443. }
  3444. return wpas_dbus_get_bss_security_prop(property_desc, iter, &wpa_data, error);
  3445. }
  3446. /**
  3447. * wpas_dbus_getter_bss_wps - Return the WPS options of a BSS
  3448. * @iter: Pointer to incoming dbus message iter
  3449. * @error: Location to store error on failure
  3450. * @user_data: Function specific data
  3451. * Returns: TRUE on success, FALSE on failure
  3452. *
  3453. * Getter for "WPS" property.
  3454. */
  3455. dbus_bool_t wpas_dbus_getter_bss_wps(
  3456. const struct wpa_dbus_property_desc *property_desc,
  3457. DBusMessageIter *iter, DBusError *error, void *user_data)
  3458. {
  3459. struct bss_handler_args *args = user_data;
  3460. struct wpa_bss *res;
  3461. #ifdef CONFIG_WPS
  3462. struct wpabuf *wps_ie;
  3463. #endif /* CONFIG_WPS */
  3464. DBusMessageIter iter_dict, variant_iter;
  3465. int wps_support = 0;
  3466. const char *type = "";
  3467. res = get_bss_helper(args, error, __func__);
  3468. if (!res)
  3469. return FALSE;
  3470. if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
  3471. "a{sv}", &variant_iter) ||
  3472. !wpa_dbus_dict_open_write(&variant_iter, &iter_dict))
  3473. goto nomem;
  3474. #ifdef CONFIG_WPS
  3475. wps_ie = wpa_bss_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE);
  3476. if (wps_ie) {
  3477. wps_support = 1;
  3478. if (wps_is_selected_pbc_registrar(wps_ie))
  3479. type = "pbc";
  3480. else if (wps_is_selected_pin_registrar(wps_ie))
  3481. type = "pin";
  3482. wpabuf_free(wps_ie);
  3483. }
  3484. #endif /* CONFIG_WPS */
  3485. if ((wps_support && !wpa_dbus_dict_append_string(&iter_dict, "Type", type)) ||
  3486. !wpa_dbus_dict_close_write(&variant_iter, &iter_dict) ||
  3487. !dbus_message_iter_close_container(iter, &variant_iter))
  3488. goto nomem;
  3489. return TRUE;
  3490. nomem:
  3491. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
  3492. return FALSE;
  3493. }
  3494. /**
  3495. * wpas_dbus_getter_bss_ies - Return all IEs of a BSS
  3496. * @iter: Pointer to incoming dbus message iter
  3497. * @error: Location to store error on failure
  3498. * @user_data: Function specific data
  3499. * Returns: TRUE on success, FALSE on failure
  3500. *
  3501. * Getter for "IEs" property.
  3502. */
  3503. dbus_bool_t wpas_dbus_getter_bss_ies(
  3504. const struct wpa_dbus_property_desc *property_desc,
  3505. DBusMessageIter *iter, DBusError *error, void *user_data)
  3506. {
  3507. struct bss_handler_args *args = user_data;
  3508. struct wpa_bss *res;
  3509. res = get_bss_helper(args, error, __func__);
  3510. if (!res)
  3511. return FALSE;
  3512. return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
  3513. res + 1, res->ie_len,
  3514. error);
  3515. }
  3516. /**
  3517. * wpas_dbus_getter_bss_age - Return time in seconds since BSS was last seen
  3518. * @iter: Pointer to incoming dbus message iter
  3519. * @error: Location to store error on failure
  3520. * @user_data: Function specific data
  3521. * Returns: TRUE on success, FALSE on failure
  3522. *
  3523. * Getter for BSS age
  3524. */
  3525. dbus_bool_t wpas_dbus_getter_bss_age(
  3526. const struct wpa_dbus_property_desc *property_desc,
  3527. DBusMessageIter *iter, DBusError *error, void *user_data)
  3528. {
  3529. struct bss_handler_args *args = user_data;
  3530. struct wpa_bss *res;
  3531. struct os_reltime now, diff = { 0, 0 };
  3532. u32 age;
  3533. res = get_bss_helper(args, error, __func__);
  3534. if (!res)
  3535. return FALSE;
  3536. os_get_reltime(&now);
  3537. os_reltime_sub(&now, &res->last_update, &diff);
  3538. age = diff.sec > 0 ? diff.sec : 0;
  3539. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32, &age,
  3540. error);
  3541. }
  3542. /**
  3543. * wpas_dbus_getter_enabled - Check whether network is enabled or disabled
  3544. * @iter: Pointer to incoming dbus message iter
  3545. * @error: Location to store error on failure
  3546. * @user_data: Function specific data
  3547. * Returns: TRUE on success, FALSE on failure
  3548. *
  3549. * Getter for "enabled" property of a configured network.
  3550. */
  3551. dbus_bool_t wpas_dbus_getter_enabled(
  3552. const struct wpa_dbus_property_desc *property_desc,
  3553. DBusMessageIter *iter, DBusError *error, void *user_data)
  3554. {
  3555. struct network_handler_args *net = user_data;
  3556. dbus_bool_t enabled = net->ssid->disabled ? FALSE : TRUE;
  3557. return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
  3558. &enabled, error);
  3559. }
  3560. /**
  3561. * wpas_dbus_setter_enabled - Mark a configured network as enabled or disabled
  3562. * @iter: Pointer to incoming dbus message iter
  3563. * @error: Location to store error on failure
  3564. * @user_data: Function specific data
  3565. * Returns: TRUE on success, FALSE on failure
  3566. *
  3567. * Setter for "Enabled" property of a configured network.
  3568. */
  3569. dbus_bool_t wpas_dbus_setter_enabled(
  3570. const struct wpa_dbus_property_desc *property_desc,
  3571. DBusMessageIter *iter, DBusError *error, void *user_data)
  3572. {
  3573. struct network_handler_args *net = user_data;
  3574. struct wpa_supplicant *wpa_s;
  3575. struct wpa_ssid *ssid;
  3576. dbus_bool_t enable;
  3577. if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
  3578. &enable))
  3579. return FALSE;
  3580. wpa_s = net->wpa_s;
  3581. ssid = net->ssid;
  3582. if (enable)
  3583. wpa_supplicant_enable_network(wpa_s, ssid);
  3584. else
  3585. wpa_supplicant_disable_network(wpa_s, ssid);
  3586. return TRUE;
  3587. }
  3588. /**
  3589. * wpas_dbus_getter_network_properties - Get options for a configured network
  3590. * @iter: Pointer to incoming dbus message iter
  3591. * @error: Location to store error on failure
  3592. * @user_data: Function specific data
  3593. * Returns: TRUE on success, FALSE on failure
  3594. *
  3595. * Getter for "Properties" property of a configured network.
  3596. */
  3597. dbus_bool_t wpas_dbus_getter_network_properties(
  3598. const struct wpa_dbus_property_desc *property_desc,
  3599. DBusMessageIter *iter, DBusError *error, void *user_data)
  3600. {
  3601. struct network_handler_args *net = user_data;
  3602. DBusMessageIter variant_iter, dict_iter;
  3603. char **iterator;
  3604. char **props = wpa_config_get_all(net->ssid, 1);
  3605. dbus_bool_t success = FALSE;
  3606. if (!props) {
  3607. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
  3608. return FALSE;
  3609. }
  3610. if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, "a{sv}",
  3611. &variant_iter) ||
  3612. !wpa_dbus_dict_open_write(&variant_iter, &dict_iter)) {
  3613. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
  3614. goto out;
  3615. }
  3616. iterator = props;
  3617. while (*iterator) {
  3618. if (!wpa_dbus_dict_append_string(&dict_iter, *iterator,
  3619. *(iterator + 1))) {
  3620. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
  3621. "no memory");
  3622. goto out;
  3623. }
  3624. iterator += 2;
  3625. }
  3626. if (!wpa_dbus_dict_close_write(&variant_iter, &dict_iter) ||
  3627. !dbus_message_iter_close_container(iter, &variant_iter)) {
  3628. dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
  3629. goto out;
  3630. }
  3631. success = TRUE;
  3632. out:
  3633. iterator = props;
  3634. while (*iterator) {
  3635. os_free(*iterator);
  3636. iterator++;
  3637. }
  3638. os_free(props);
  3639. return success;
  3640. }
  3641. /**
  3642. * wpas_dbus_setter_network_properties - Set options for a configured network
  3643. * @iter: Pointer to incoming dbus message iter
  3644. * @error: Location to store error on failure
  3645. * @user_data: Function specific data
  3646. * Returns: TRUE on success, FALSE on failure
  3647. *
  3648. * Setter for "Properties" property of a configured network.
  3649. */
  3650. dbus_bool_t wpas_dbus_setter_network_properties(
  3651. const struct wpa_dbus_property_desc *property_desc,
  3652. DBusMessageIter *iter, DBusError *error, void *user_data)
  3653. {
  3654. struct network_handler_args *net = user_data;
  3655. struct wpa_ssid *ssid = net->ssid;
  3656. DBusMessageIter variant_iter;
  3657. dbus_message_iter_recurse(iter, &variant_iter);
  3658. return set_network_properties(net->wpa_s, ssid, &variant_iter, error);
  3659. }
  3660. #ifdef CONFIG_AP
  3661. DBusMessage * wpas_dbus_handler_subscribe_preq(
  3662. DBusMessage *message, struct wpa_supplicant *wpa_s)
  3663. {
  3664. struct wpas_dbus_priv *priv = wpa_s->global->dbus;
  3665. char *name;
  3666. if (wpa_s->preq_notify_peer != NULL) {
  3667. if (os_strcmp(dbus_message_get_sender(message),
  3668. wpa_s->preq_notify_peer) == 0)
  3669. return NULL;
  3670. return dbus_message_new_error(message,
  3671. WPAS_DBUS_ERROR_SUBSCRIPTION_IN_USE,
  3672. "Another application is already subscribed");
  3673. }
  3674. name = os_strdup(dbus_message_get_sender(message));
  3675. if (!name)
  3676. return wpas_dbus_error_no_memory(message);
  3677. wpa_s->preq_notify_peer = name;
  3678. /* Subscribe to clean up if application closes socket */
  3679. wpas_dbus_subscribe_noc(priv);
  3680. /*
  3681. * Double-check it's still alive to make sure that we didn't
  3682. * miss the NameOwnerChanged signal, e.g. while strdup'ing.
  3683. */
  3684. if (!dbus_bus_name_has_owner(priv->con, name, NULL)) {
  3685. /*
  3686. * Application no longer exists, clean up.
  3687. * The return value is irrelevant now.
  3688. *
  3689. * Need to check if the NameOwnerChanged handling
  3690. * already cleaned up because we have processed
  3691. * DBus messages while checking if the name still
  3692. * has an owner.
  3693. */
  3694. if (!wpa_s->preq_notify_peer)
  3695. return NULL;
  3696. os_free(wpa_s->preq_notify_peer);
  3697. wpa_s->preq_notify_peer = NULL;
  3698. wpas_dbus_unsubscribe_noc(priv);
  3699. }
  3700. return NULL;
  3701. }
  3702. DBusMessage * wpas_dbus_handler_unsubscribe_preq(
  3703. DBusMessage *message, struct wpa_supplicant *wpa_s)
  3704. {
  3705. struct wpas_dbus_priv *priv = wpa_s->global->dbus;
  3706. if (!wpa_s->preq_notify_peer)
  3707. return dbus_message_new_error(message,
  3708. WPAS_DBUS_ERROR_NO_SUBSCRIPTION,
  3709. "Not subscribed");
  3710. if (os_strcmp(wpa_s->preq_notify_peer,
  3711. dbus_message_get_sender(message)))
  3712. return dbus_message_new_error(message,
  3713. WPAS_DBUS_ERROR_SUBSCRIPTION_EPERM,
  3714. "Can't unsubscribe others");
  3715. os_free(wpa_s->preq_notify_peer);
  3716. wpa_s->preq_notify_peer = NULL;
  3717. wpas_dbus_unsubscribe_noc(priv);
  3718. return NULL;
  3719. }
  3720. void wpas_dbus_signal_preq(struct wpa_supplicant *wpa_s,
  3721. const u8 *addr, const u8 *dst, const u8 *bssid,
  3722. const u8 *ie, size_t ie_len, u32 ssi_signal)
  3723. {
  3724. DBusMessage *msg;
  3725. DBusMessageIter iter, dict_iter;
  3726. struct wpas_dbus_priv *priv = wpa_s->global->dbus;
  3727. /* Do nothing if the control interface is not turned on */
  3728. if (priv == NULL || !wpa_s->dbus_new_path)
  3729. return;
  3730. if (wpa_s->preq_notify_peer == NULL)
  3731. return;
  3732. msg = dbus_message_new_signal(wpa_s->dbus_new_path,
  3733. WPAS_DBUS_NEW_IFACE_INTERFACE,
  3734. "ProbeRequest");
  3735. if (msg == NULL)
  3736. return;
  3737. dbus_message_set_destination(msg, wpa_s->preq_notify_peer);
  3738. dbus_message_iter_init_append(msg, &iter);
  3739. if (!wpa_dbus_dict_open_write(&iter, &dict_iter) ||
  3740. (addr && !wpa_dbus_dict_append_byte_array(&dict_iter, "addr",
  3741. (const char *) addr,
  3742. ETH_ALEN)) ||
  3743. (dst && !wpa_dbus_dict_append_byte_array(&dict_iter, "dst",
  3744. (const char *) dst,
  3745. ETH_ALEN)) ||
  3746. (bssid && !wpa_dbus_dict_append_byte_array(&dict_iter, "bssid",
  3747. (const char *) bssid,
  3748. ETH_ALEN)) ||
  3749. (ie && ie_len && !wpa_dbus_dict_append_byte_array(&dict_iter, "ies",
  3750. (const char *) ie,
  3751. ie_len)) ||
  3752. (ssi_signal && !wpa_dbus_dict_append_int32(&dict_iter, "signal",
  3753. ssi_signal)) ||
  3754. !wpa_dbus_dict_close_write(&iter, &dict_iter))
  3755. goto fail;
  3756. dbus_connection_send(priv->con, msg, NULL);
  3757. goto out;
  3758. fail:
  3759. wpa_printf(MSG_ERROR, "dbus: Failed to construct signal");
  3760. out:
  3761. dbus_message_unref(msg);
  3762. }
  3763. #endif /* CONFIG_AP */
  3764. DBusMessage * wpas_dbus_handler_vendor_elem_add(DBusMessage *message,
  3765. struct wpa_supplicant *wpa_s)
  3766. {
  3767. u8 *ielems;
  3768. int len;
  3769. struct ieee802_11_elems elems;
  3770. dbus_int32_t frame_id;
  3771. DBusMessageIter iter, array;
  3772. dbus_message_iter_init(message, &iter);
  3773. dbus_message_iter_get_basic(&iter, &frame_id);
  3774. if (frame_id < 0 || frame_id >= NUM_VENDOR_ELEM_FRAMES) {
  3775. return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
  3776. "Invalid ID");
  3777. }
  3778. dbus_message_iter_next(&iter);
  3779. dbus_message_iter_recurse(&iter, &array);
  3780. dbus_message_iter_get_fixed_array(&array, &ielems, &len);
  3781. if (!ielems || len == 0) {
  3782. return dbus_message_new_error(
  3783. message, DBUS_ERROR_INVALID_ARGS, "Invalid value");
  3784. }
  3785. if (ieee802_11_parse_elems(ielems, len, &elems, 0) == ParseFailed) {
  3786. return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
  3787. "Parse error");
  3788. }
  3789. wpa_s = wpas_vendor_elem(wpa_s, frame_id);
  3790. if (!wpa_s->vendor_elem[frame_id]) {
  3791. wpa_s->vendor_elem[frame_id] = wpabuf_alloc_copy(ielems, len);
  3792. wpas_vendor_elem_update(wpa_s);
  3793. return NULL;
  3794. }
  3795. if (wpabuf_resize(&wpa_s->vendor_elem[frame_id], len) < 0) {
  3796. return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
  3797. "Resize error");
  3798. }
  3799. wpabuf_put_data(wpa_s->vendor_elem[frame_id], ielems, len);
  3800. wpas_vendor_elem_update(wpa_s);
  3801. return NULL;
  3802. }
  3803. DBusMessage * wpas_dbus_handler_vendor_elem_get(DBusMessage *message,
  3804. struct wpa_supplicant *wpa_s)
  3805. {
  3806. DBusMessage *reply;
  3807. DBusMessageIter iter, array_iter;
  3808. dbus_int32_t frame_id;
  3809. const u8 *elem;
  3810. size_t elem_len;
  3811. dbus_message_iter_init(message, &iter);
  3812. dbus_message_iter_get_basic(&iter, &frame_id);
  3813. if (frame_id < 0 || frame_id >= NUM_VENDOR_ELEM_FRAMES) {
  3814. return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
  3815. "Invalid ID");
  3816. }
  3817. wpa_s = wpas_vendor_elem(wpa_s, frame_id);
  3818. if (!wpa_s->vendor_elem[frame_id]) {
  3819. return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
  3820. "ID value does not exist");
  3821. }
  3822. reply = dbus_message_new_method_return(message);
  3823. if (!reply)
  3824. return wpas_dbus_error_no_memory(message);
  3825. dbus_message_iter_init_append(reply, &iter);
  3826. elem = wpabuf_head_u8(wpa_s->vendor_elem[frame_id]);
  3827. elem_len = wpabuf_len(wpa_s->vendor_elem[frame_id]);
  3828. if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
  3829. DBUS_TYPE_BYTE_AS_STRING,
  3830. &array_iter) ||
  3831. !dbus_message_iter_append_fixed_array(&array_iter, DBUS_TYPE_BYTE,
  3832. &elem, elem_len) ||
  3833. !dbus_message_iter_close_container(&iter, &array_iter)) {
  3834. dbus_message_unref(reply);
  3835. reply = wpas_dbus_error_no_memory(message);
  3836. }
  3837. return reply;
  3838. }
  3839. DBusMessage * wpas_dbus_handler_vendor_elem_remove(DBusMessage *message,
  3840. struct wpa_supplicant *wpa_s)
  3841. {
  3842. u8 *ielems;
  3843. int len;
  3844. struct ieee802_11_elems elems;
  3845. DBusMessageIter iter, array;
  3846. dbus_int32_t frame_id;
  3847. dbus_message_iter_init(message, &iter);
  3848. dbus_message_iter_get_basic(&iter, &frame_id);
  3849. if (frame_id < 0 || frame_id >= NUM_VENDOR_ELEM_FRAMES) {
  3850. return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
  3851. "Invalid ID");
  3852. }
  3853. dbus_message_iter_next(&iter);
  3854. dbus_message_iter_recurse(&iter, &array);
  3855. dbus_message_iter_get_fixed_array(&array, &ielems, &len);
  3856. if (!ielems || len == 0) {
  3857. return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
  3858. "Invalid value");
  3859. }
  3860. wpa_s = wpas_vendor_elem(wpa_s, frame_id);
  3861. if (len == 1 && *ielems == '*') {
  3862. wpabuf_free(wpa_s->vendor_elem[frame_id]);
  3863. wpa_s->vendor_elem[frame_id] = NULL;
  3864. wpas_vendor_elem_update(wpa_s);
  3865. return NULL;
  3866. }
  3867. if (!wpa_s->vendor_elem[frame_id]) {
  3868. return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
  3869. "ID value does not exist");
  3870. }
  3871. if (ieee802_11_parse_elems(ielems, len, &elems, 0) == ParseFailed) {
  3872. return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
  3873. "Parse error");
  3874. }
  3875. if (wpas_vendor_elem_remove(wpa_s, frame_id, ielems, len) == 0)
  3876. return NULL;
  3877. return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
  3878. "Not found");
  3879. }