notify.c 14 KB

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  1. /*
  2. * wpa_supplicant - Event notifications
  3. * Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
  4. *
  5. * This program is free software; you can redistribute it and/or modify
  6. * it under the terms of the GNU General Public License version 2 as
  7. * published by the Free Software Foundation.
  8. *
  9. * Alternatively, this software may be distributed under the terms of BSD
  10. * license.
  11. *
  12. * See README and COPYING for more details.
  13. */
  14. #include "utils/includes.h"
  15. #include "utils/common.h"
  16. #include "common/wpa_ctrl.h"
  17. #include "config.h"
  18. #include "wpa_supplicant_i.h"
  19. #include "wps_supplicant.h"
  20. #include "dbus/dbus_common.h"
  21. #include "dbus/dbus_old.h"
  22. #include "dbus/dbus_new.h"
  23. #include "rsn_supp/wpa.h"
  24. #include "driver_i.h"
  25. #include "scan.h"
  26. #include "p2p_supplicant.h"
  27. #include "sme.h"
  28. #include "notify.h"
  29. int wpas_notify_supplicant_initialized(struct wpa_global *global)
  30. {
  31. #ifdef CONFIG_DBUS
  32. if (global->params.dbus_ctrl_interface) {
  33. global->dbus = wpas_dbus_init(global);
  34. if (global->dbus == NULL)
  35. return -1;
  36. }
  37. #endif /* CONFIG_DBUS */
  38. return 0;
  39. }
  40. void wpas_notify_supplicant_deinitialized(struct wpa_global *global)
  41. {
  42. #ifdef CONFIG_DBUS
  43. if (global->dbus)
  44. wpas_dbus_deinit(global->dbus);
  45. #endif /* CONFIG_DBUS */
  46. }
  47. int wpas_notify_iface_added(struct wpa_supplicant *wpa_s)
  48. {
  49. if (wpas_dbus_register_iface(wpa_s))
  50. return -1;
  51. if (wpas_dbus_register_interface(wpa_s))
  52. return -1;
  53. return 0;
  54. }
  55. void wpas_notify_iface_removed(struct wpa_supplicant *wpa_s)
  56. {
  57. /* unregister interface in old DBus ctrl iface */
  58. wpas_dbus_unregister_iface(wpa_s);
  59. /* unregister interface in new DBus ctrl iface */
  60. wpas_dbus_unregister_interface(wpa_s);
  61. }
  62. void wpas_notify_state_changed(struct wpa_supplicant *wpa_s,
  63. enum wpa_states new_state,
  64. enum wpa_states old_state)
  65. {
  66. /* notify the old DBus API */
  67. wpa_supplicant_dbus_notify_state_change(wpa_s, new_state,
  68. old_state);
  69. /* notify the new DBus API */
  70. wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_STATE);
  71. #ifdef CONFIG_P2P
  72. if (new_state == WPA_COMPLETED)
  73. wpas_p2p_notif_connected(wpa_s);
  74. else if (new_state < WPA_ASSOCIATED)
  75. wpas_p2p_notif_disconnected(wpa_s);
  76. #endif /* CONFIG_P2P */
  77. sme_state_changed(wpa_s);
  78. #ifdef ANDROID
  79. wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
  80. "id=%d state=%d BSSID=" MACSTR,
  81. wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
  82. new_state, MAC2STR(wpa_s->pending_bssid));
  83. #endif /* ANDROID */
  84. }
  85. void wpas_notify_network_changed(struct wpa_supplicant *wpa_s)
  86. {
  87. wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_NETWORK);
  88. }
  89. void wpas_notify_ap_scan_changed(struct wpa_supplicant *wpa_s)
  90. {
  91. wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_AP_SCAN);
  92. }
  93. void wpas_notify_bssid_changed(struct wpa_supplicant *wpa_s)
  94. {
  95. wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_BSS);
  96. }
  97. void wpas_notify_auth_changed(struct wpa_supplicant *wpa_s)
  98. {
  99. wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_AUTH_MODE);
  100. }
  101. void wpas_notify_network_enabled_changed(struct wpa_supplicant *wpa_s,
  102. struct wpa_ssid *ssid)
  103. {
  104. wpas_dbus_signal_network_enabled_changed(wpa_s, ssid);
  105. }
  106. void wpas_notify_network_selected(struct wpa_supplicant *wpa_s,
  107. struct wpa_ssid *ssid)
  108. {
  109. wpas_dbus_signal_network_selected(wpa_s, ssid->id);
  110. }
  111. void wpas_notify_network_request(struct wpa_supplicant *wpa_s,
  112. struct wpa_ssid *ssid,
  113. enum wpa_ctrl_req_type rtype,
  114. const char *default_txt)
  115. {
  116. wpas_dbus_signal_network_request(wpa_s, ssid, rtype, default_txt);
  117. }
  118. void wpas_notify_scanning(struct wpa_supplicant *wpa_s)
  119. {
  120. /* notify the old DBus API */
  121. wpa_supplicant_dbus_notify_scanning(wpa_s);
  122. /* notify the new DBus API */
  123. wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_SCANNING);
  124. }
  125. void wpas_notify_scan_done(struct wpa_supplicant *wpa_s, int success)
  126. {
  127. wpas_dbus_signal_scan_done(wpa_s, success);
  128. }
  129. void wpas_notify_scan_results(struct wpa_supplicant *wpa_s)
  130. {
  131. /* notify the old DBus API */
  132. wpa_supplicant_dbus_notify_scan_results(wpa_s);
  133. wpas_wps_notify_scan_results(wpa_s);
  134. }
  135. void wpas_notify_wps_credential(struct wpa_supplicant *wpa_s,
  136. const struct wps_credential *cred)
  137. {
  138. #ifdef CONFIG_WPS
  139. /* notify the old DBus API */
  140. wpa_supplicant_dbus_notify_wps_cred(wpa_s, cred);
  141. /* notify the new DBus API */
  142. wpas_dbus_signal_wps_cred(wpa_s, cred);
  143. #endif /* CONFIG_WPS */
  144. }
  145. void wpas_notify_wps_event_m2d(struct wpa_supplicant *wpa_s,
  146. struct wps_event_m2d *m2d)
  147. {
  148. #ifdef CONFIG_WPS
  149. wpas_dbus_signal_wps_event_m2d(wpa_s, m2d);
  150. #endif /* CONFIG_WPS */
  151. }
  152. void wpas_notify_wps_event_fail(struct wpa_supplicant *wpa_s,
  153. struct wps_event_fail *fail)
  154. {
  155. #ifdef CONFIG_WPS
  156. wpas_dbus_signal_wps_event_fail(wpa_s, fail);
  157. #endif /* CONFIG_WPS */
  158. }
  159. void wpas_notify_wps_event_success(struct wpa_supplicant *wpa_s)
  160. {
  161. #ifdef CONFIG_WPS
  162. wpas_dbus_signal_wps_event_success(wpa_s);
  163. #endif /* CONFIG_WPS */
  164. }
  165. void wpas_notify_network_added(struct wpa_supplicant *wpa_s,
  166. struct wpa_ssid *ssid)
  167. {
  168. /*
  169. * Networks objects created during any P2P activities should not be
  170. * exposed out. They might/will confuse certain non-P2P aware
  171. * applications since these network objects won't behave like
  172. * regular ones.
  173. */
  174. if (wpa_s->global->p2p_group_formation != wpa_s)
  175. wpas_dbus_register_network(wpa_s, ssid);
  176. }
  177. void wpas_notify_persistent_group_added(struct wpa_supplicant *wpa_s,
  178. struct wpa_ssid *ssid)
  179. {
  180. #ifdef CONFIG_P2P
  181. wpas_dbus_register_persistent_group(wpa_s, ssid);
  182. #endif /* CONFIG_P2P */
  183. }
  184. void wpas_notify_persistent_group_removed(struct wpa_supplicant *wpa_s,
  185. struct wpa_ssid *ssid)
  186. {
  187. #ifdef CONFIG_P2P
  188. wpas_dbus_unregister_persistent_group(wpa_s, ssid->id);
  189. #endif /* CONFIG_P2P */
  190. }
  191. void wpas_notify_network_removed(struct wpa_supplicant *wpa_s,
  192. struct wpa_ssid *ssid)
  193. {
  194. if (wpa_s->wpa)
  195. wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
  196. if (wpa_s->global->p2p_group_formation != wpa_s)
  197. wpas_dbus_unregister_network(wpa_s, ssid->id);
  198. }
  199. void wpas_notify_bss_added(struct wpa_supplicant *wpa_s,
  200. u8 bssid[], unsigned int id)
  201. {
  202. wpas_dbus_register_bss(wpa_s, bssid, id);
  203. wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_ADDED "%u " MACSTR,
  204. id, MAC2STR(bssid));
  205. }
  206. void wpas_notify_bss_removed(struct wpa_supplicant *wpa_s,
  207. u8 bssid[], unsigned int id)
  208. {
  209. wpas_dbus_unregister_bss(wpa_s, bssid, id);
  210. wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_REMOVED "%u " MACSTR,
  211. id, MAC2STR(bssid));
  212. }
  213. void wpas_notify_bss_freq_changed(struct wpa_supplicant *wpa_s,
  214. unsigned int id)
  215. {
  216. wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_FREQ, id);
  217. }
  218. void wpas_notify_bss_signal_changed(struct wpa_supplicant *wpa_s,
  219. unsigned int id)
  220. {
  221. wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_SIGNAL,
  222. id);
  223. }
  224. void wpas_notify_bss_privacy_changed(struct wpa_supplicant *wpa_s,
  225. unsigned int id)
  226. {
  227. wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_PRIVACY,
  228. id);
  229. }
  230. void wpas_notify_bss_mode_changed(struct wpa_supplicant *wpa_s,
  231. unsigned int id)
  232. {
  233. wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_MODE, id);
  234. }
  235. void wpas_notify_bss_wpaie_changed(struct wpa_supplicant *wpa_s,
  236. unsigned int id)
  237. {
  238. wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_WPA, id);
  239. }
  240. void wpas_notify_bss_rsnie_changed(struct wpa_supplicant *wpa_s,
  241. unsigned int id)
  242. {
  243. wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RSN, id);
  244. }
  245. void wpas_notify_bss_wps_changed(struct wpa_supplicant *wpa_s,
  246. unsigned int id)
  247. {
  248. }
  249. void wpas_notify_bss_ies_changed(struct wpa_supplicant *wpa_s,
  250. unsigned int id)
  251. {
  252. wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_IES, id);
  253. }
  254. void wpas_notify_bss_rates_changed(struct wpa_supplicant *wpa_s,
  255. unsigned int id)
  256. {
  257. wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RATES, id);
  258. }
  259. void wpas_notify_blob_added(struct wpa_supplicant *wpa_s, const char *name)
  260. {
  261. wpas_dbus_signal_blob_added(wpa_s, name);
  262. }
  263. void wpas_notify_blob_removed(struct wpa_supplicant *wpa_s, const char *name)
  264. {
  265. wpas_dbus_signal_blob_removed(wpa_s, name);
  266. }
  267. void wpas_notify_debug_level_changed(struct wpa_global *global)
  268. {
  269. wpas_dbus_signal_debug_level_changed(global);
  270. }
  271. void wpas_notify_debug_timestamp_changed(struct wpa_global *global)
  272. {
  273. wpas_dbus_signal_debug_timestamp_changed(global);
  274. }
  275. void wpas_notify_debug_show_keys_changed(struct wpa_global *global)
  276. {
  277. wpas_dbus_signal_debug_show_keys_changed(global);
  278. }
  279. void wpas_notify_suspend(struct wpa_global *global)
  280. {
  281. struct wpa_supplicant *wpa_s;
  282. os_get_time(&global->suspend_time);
  283. wpa_printf(MSG_DEBUG, "System suspend notification");
  284. for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
  285. wpa_drv_suspend(wpa_s);
  286. }
  287. void wpas_notify_resume(struct wpa_global *global)
  288. {
  289. struct os_time now;
  290. int slept;
  291. struct wpa_supplicant *wpa_s;
  292. if (global->suspend_time.sec == 0)
  293. slept = -1;
  294. else {
  295. os_get_time(&now);
  296. slept = now.sec - global->suspend_time.sec;
  297. }
  298. wpa_printf(MSG_DEBUG, "System resume notification (slept %d seconds)",
  299. slept);
  300. for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
  301. wpa_drv_resume(wpa_s);
  302. if (wpa_s->wpa_state == WPA_DISCONNECTED)
  303. wpa_supplicant_req_scan(wpa_s, 0, 100000);
  304. }
  305. }
  306. #ifdef CONFIG_P2P
  307. void wpas_notify_p2p_device_found(struct wpa_supplicant *wpa_s,
  308. const u8 *dev_addr, int new_device)
  309. {
  310. if (new_device) {
  311. /* Create the new peer object */
  312. wpas_dbus_register_peer(wpa_s, dev_addr);
  313. }
  314. /* Notify a new peer has been detected*/
  315. wpas_dbus_signal_peer_device_found(wpa_s, dev_addr);
  316. }
  317. void wpas_notify_p2p_device_lost(struct wpa_supplicant *wpa_s,
  318. const u8 *dev_addr)
  319. {
  320. wpas_dbus_unregister_peer(wpa_s, dev_addr);
  321. /* Create signal on interface object*/
  322. wpas_dbus_signal_peer_device_lost(wpa_s, dev_addr);
  323. }
  324. void wpas_notify_p2p_group_removed(struct wpa_supplicant *wpa_s,
  325. const struct wpa_ssid *ssid,
  326. const char *role)
  327. {
  328. wpas_dbus_unregister_p2p_group(wpa_s, ssid);
  329. wpas_dbus_signal_p2p_group_removed(wpa_s, role);
  330. }
  331. void wpas_notify_p2p_go_neg_req(struct wpa_supplicant *wpa_s,
  332. const u8 *src, u16 dev_passwd_id)
  333. {
  334. wpas_dbus_signal_p2p_go_neg_req(wpa_s, src, dev_passwd_id);
  335. }
  336. void wpas_notify_p2p_go_neg_completed(struct wpa_supplicant *wpa_s, int status)
  337. {
  338. wpas_dbus_signal_p2p_go_neg_resp(wpa_s, status);
  339. }
  340. void wpas_notify_p2p_invitation_result(struct wpa_supplicant *wpa_s,
  341. int status, const u8 *bssid)
  342. {
  343. wpas_dbus_signal_p2p_invitation_result(wpa_s, status, bssid);
  344. }
  345. void wpas_notify_p2p_sd_request(struct wpa_supplicant *wpa_s,
  346. int freq, const u8 *sa, u8 dialog_token,
  347. u16 update_indic, const u8 *tlvs,
  348. size_t tlvs_len)
  349. {
  350. wpas_dbus_signal_p2p_sd_request(wpa_s, freq, sa, dialog_token,
  351. update_indic, tlvs, tlvs_len);
  352. }
  353. void wpas_notify_p2p_sd_response(struct wpa_supplicant *wpa_s,
  354. const u8 *sa, u16 update_indic,
  355. const u8 *tlvs, size_t tlvs_len)
  356. {
  357. wpas_dbus_signal_p2p_sd_response(wpa_s, sa, update_indic,
  358. tlvs, tlvs_len);
  359. }
  360. /**
  361. * wpas_notify_p2p_provision_discovery - Notification of provision discovery
  362. * @dev_addr: Who sent the request or responded to our request.
  363. * @request: Will be 1 if request, 0 for response.
  364. * @status: Valid only in case of response (0 in case of success)
  365. * @config_methods: WPS config methods
  366. * @generated_pin: PIN to be displayed in case of WPS_CONFIG_DISPLAY method
  367. *
  368. * This can be used to notify:
  369. * - Requests or responses
  370. * - Various config methods
  371. * - Failure condition in case of response
  372. */
  373. void wpas_notify_p2p_provision_discovery(struct wpa_supplicant *wpa_s,
  374. const u8 *dev_addr, int request,
  375. enum p2p_prov_disc_status status,
  376. u16 config_methods,
  377. unsigned int generated_pin)
  378. {
  379. wpas_dbus_signal_p2p_provision_discovery(wpa_s, dev_addr, request,
  380. status, config_methods,
  381. generated_pin);
  382. }
  383. void wpas_notify_p2p_group_started(struct wpa_supplicant *wpa_s,
  384. struct wpa_ssid *ssid, int network_id,
  385. int client)
  386. {
  387. /* Notify a group has been started */
  388. wpas_dbus_register_p2p_group(wpa_s, ssid);
  389. wpas_dbus_signal_p2p_group_started(wpa_s, ssid, client, network_id);
  390. }
  391. void wpas_notify_p2p_wps_failed(struct wpa_supplicant *wpa_s,
  392. struct wps_event_fail *fail)
  393. {
  394. wpas_dbus_signal_p2p_wps_failed(wpa_s, fail);
  395. }
  396. #endif /* CONFIG_P2P */
  397. static void wpas_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s,
  398. const u8 *sta)
  399. {
  400. #ifdef CONFIG_P2P
  401. /*
  402. * Register a group member object corresponding to this peer and
  403. * emit a PeerJoined signal. This will check if it really is a
  404. * P2P group.
  405. */
  406. wpas_dbus_register_p2p_groupmember(wpa_s, sta);
  407. /*
  408. * Create 'peer-joined' signal on group object -- will also
  409. * check P2P itself.
  410. */
  411. wpas_dbus_signal_p2p_peer_joined(wpa_s, sta);
  412. #endif /* CONFIG_P2P */
  413. }
  414. static void wpas_notify_ap_sta_deauthorized(struct wpa_supplicant *wpa_s,
  415. const u8 *sta)
  416. {
  417. #ifdef CONFIG_P2P
  418. /*
  419. * Unregister a group member object corresponding to this peer
  420. * if this is a P2P group.
  421. */
  422. wpas_dbus_unregister_p2p_groupmember(wpa_s, sta);
  423. /*
  424. * Create 'peer-disconnected' signal on group object if this
  425. * is a P2P group.
  426. */
  427. wpas_dbus_signal_p2p_peer_disconnected(wpa_s, sta);
  428. #endif /* CONFIG_P2P */
  429. }
  430. void wpas_notify_sta_authorized(struct wpa_supplicant *wpa_s,
  431. const u8 *mac_addr, int authorized)
  432. {
  433. if (authorized)
  434. wpas_notify_ap_sta_authorized(wpa_s, mac_addr);
  435. else
  436. wpas_notify_ap_sta_deauthorized(wpa_s, mac_addr);
  437. }
  438. void wpas_notify_certification(struct wpa_supplicant *wpa_s, int depth,
  439. const char *subject, const char *cert_hash,
  440. const struct wpabuf *cert)
  441. {
  442. wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_CERT
  443. "depth=%d subject='%s'%s%s",
  444. depth, subject,
  445. cert_hash ? " hash=" : "",
  446. cert_hash ? cert_hash : "");
  447. if (cert) {
  448. char *cert_hex;
  449. size_t len = wpabuf_len(cert) * 2 + 1;
  450. cert_hex = os_malloc(len);
  451. if (cert_hex) {
  452. wpa_snprintf_hex(cert_hex, len, wpabuf_head(cert),
  453. wpabuf_len(cert));
  454. wpa_msg_ctrl(wpa_s, MSG_INFO,
  455. WPA_EVENT_EAP_PEER_CERT
  456. "depth=%d subject='%s' cert=%s",
  457. depth, subject, cert_hex);
  458. os_free(cert_hex);
  459. }
  460. }
  461. /* notify the old DBus API */
  462. wpa_supplicant_dbus_notify_certification(wpa_s, depth, subject,
  463. cert_hash, cert);
  464. /* notify the new DBus API */
  465. wpas_dbus_signal_certification(wpa_s, depth, subject, cert_hash, cert);
  466. }