notify.c revision c5ec7f57ead87efa365800228aa0b09a12d9e6c4
1/*
2 * wpa_supplicant - Event notifications
3 * Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9#include "utils/includes.h"
10
11#include "utils/common.h"
12#include "common/wpa_ctrl.h"
13#include "config.h"
14#include "wpa_supplicant_i.h"
15#include "wps_supplicant.h"
16#include "dbus/dbus_common.h"
17#include "dbus/dbus_old.h"
18#include "dbus/dbus_new.h"
19#include "rsn_supp/wpa.h"
20#include "driver_i.h"
21#include "scan.h"
22#include "p2p_supplicant.h"
23#include "sme.h"
24#include "notify.h"
25
26int wpas_notify_supplicant_initialized(struct wpa_global *global)
27{
28#ifdef CONFIG_DBUS
29	if (global->params.dbus_ctrl_interface) {
30		global->dbus = wpas_dbus_init(global);
31		if (global->dbus == NULL)
32			return -1;
33	}
34#endif /* CONFIG_DBUS */
35
36	return 0;
37}
38
39
40void 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
48
49int wpas_notify_iface_added(struct wpa_supplicant *wpa_s)
50{
51	if (wpas_dbus_register_iface(wpa_s))
52		return -1;
53
54	if (wpas_dbus_register_interface(wpa_s))
55		return -1;
56
57	return 0;
58}
59
60
61void wpas_notify_iface_removed(struct wpa_supplicant *wpa_s)
62{
63	/* unregister interface in old DBus ctrl iface */
64	wpas_dbus_unregister_iface(wpa_s);
65
66	/* unregister interface in new DBus ctrl iface */
67	wpas_dbus_unregister_interface(wpa_s);
68}
69
70
71void wpas_notify_state_changed(struct wpa_supplicant *wpa_s,
72			       enum wpa_states new_state,
73			       enum wpa_states old_state)
74{
75	/* notify the old DBus API */
76	wpa_supplicant_dbus_notify_state_change(wpa_s, new_state,
77						old_state);
78
79	/* notify the new DBus API */
80	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_STATE);
81
82#ifdef CONFIG_P2P
83	if (new_state == WPA_COMPLETED)
84		wpas_p2p_notif_connected(wpa_s);
85	else if (new_state < WPA_ASSOCIATED)
86		wpas_p2p_notif_disconnected(wpa_s);
87#endif /* CONFIG_P2P */
88
89	sme_state_changed(wpa_s);
90
91#ifdef ANDROID
92	wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
93		     "id=%d state=%d BSSID=" MACSTR,
94		     wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
95		     new_state, MAC2STR(wpa_s->pending_bssid));
96#endif /* ANDROID */
97}
98
99
100void wpas_notify_network_changed(struct wpa_supplicant *wpa_s)
101{
102	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_NETWORK);
103}
104
105
106void wpas_notify_ap_scan_changed(struct wpa_supplicant *wpa_s)
107{
108	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_AP_SCAN);
109}
110
111
112void wpas_notify_bssid_changed(struct wpa_supplicant *wpa_s)
113{
114	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_BSS);
115}
116
117
118void wpas_notify_auth_changed(struct wpa_supplicant *wpa_s)
119{
120	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_AUTH_MODE);
121}
122
123
124void wpas_notify_network_enabled_changed(struct wpa_supplicant *wpa_s,
125					 struct wpa_ssid *ssid)
126{
127	wpas_dbus_signal_network_enabled_changed(wpa_s, ssid);
128}
129
130
131void wpas_notify_network_selected(struct wpa_supplicant *wpa_s,
132				  struct wpa_ssid *ssid)
133{
134	wpas_dbus_signal_network_selected(wpa_s, ssid->id);
135}
136
137
138void wpas_notify_network_request(struct wpa_supplicant *wpa_s,
139				 struct wpa_ssid *ssid,
140				 enum wpa_ctrl_req_type rtype,
141				 const char *default_txt)
142{
143	wpas_dbus_signal_network_request(wpa_s, ssid, rtype, default_txt);
144}
145
146
147void wpas_notify_scanning(struct wpa_supplicant *wpa_s)
148{
149	/* notify the old DBus API */
150	wpa_supplicant_dbus_notify_scanning(wpa_s);
151
152	/* notify the new DBus API */
153	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_SCANNING);
154}
155
156
157void wpas_notify_scan_done(struct wpa_supplicant *wpa_s, int success)
158{
159	wpas_dbus_signal_scan_done(wpa_s, success);
160}
161
162
163void wpas_notify_scan_results(struct wpa_supplicant *wpa_s)
164{
165	/* notify the old DBus API */
166	wpa_supplicant_dbus_notify_scan_results(wpa_s);
167
168	wpas_wps_notify_scan_results(wpa_s);
169}
170
171
172void wpas_notify_wps_credential(struct wpa_supplicant *wpa_s,
173				const struct wps_credential *cred)
174{
175#ifdef CONFIG_WPS
176	/* notify the old DBus API */
177	wpa_supplicant_dbus_notify_wps_cred(wpa_s, cred);
178	/* notify the new DBus API */
179	wpas_dbus_signal_wps_cred(wpa_s, cred);
180#endif /* CONFIG_WPS */
181}
182
183
184void wpas_notify_wps_event_m2d(struct wpa_supplicant *wpa_s,
185			       struct wps_event_m2d *m2d)
186{
187#ifdef CONFIG_WPS
188	wpas_dbus_signal_wps_event_m2d(wpa_s, m2d);
189#endif /* CONFIG_WPS */
190}
191
192
193void wpas_notify_wps_event_fail(struct wpa_supplicant *wpa_s,
194				struct wps_event_fail *fail)
195{
196#ifdef CONFIG_WPS
197	wpas_dbus_signal_wps_event_fail(wpa_s, fail);
198#endif /* CONFIG_WPS */
199}
200
201
202void wpas_notify_wps_event_success(struct wpa_supplicant *wpa_s)
203{
204#ifdef CONFIG_WPS
205	wpas_dbus_signal_wps_event_success(wpa_s);
206#endif /* CONFIG_WPS */
207}
208
209
210void wpas_notify_network_added(struct wpa_supplicant *wpa_s,
211			       struct wpa_ssid *ssid)
212{
213	/*
214	 * Networks objects created during any P2P activities should not be
215	 * exposed out. They might/will confuse certain non-P2P aware
216	 * applications since these network objects won't behave like
217	 * regular ones.
218	 */
219	if (wpa_s->global->p2p_group_formation != wpa_s)
220		wpas_dbus_register_network(wpa_s, ssid);
221}
222
223
224void wpas_notify_persistent_group_added(struct wpa_supplicant *wpa_s,
225					struct wpa_ssid *ssid)
226{
227#ifdef CONFIG_P2P
228	wpas_dbus_register_persistent_group(wpa_s, ssid);
229#endif /* CONFIG_P2P */
230}
231
232
233void wpas_notify_persistent_group_removed(struct wpa_supplicant *wpa_s,
234					  struct wpa_ssid *ssid)
235{
236#ifdef CONFIG_P2P
237	wpas_dbus_unregister_persistent_group(wpa_s, ssid->id);
238#endif /* CONFIG_P2P */
239}
240
241
242void wpas_notify_network_removed(struct wpa_supplicant *wpa_s,
243				 struct wpa_ssid *ssid)
244{
245	if (wpa_s->wpa)
246		wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
247	if (wpa_s->global->p2p_group_formation != wpa_s)
248		wpas_dbus_unregister_network(wpa_s, ssid->id);
249#ifdef CONFIG_P2P
250	wpas_p2p_network_removed(wpa_s, ssid);
251#endif /* CONFIG_P2P */
252}
253
254
255void wpas_notify_bss_added(struct wpa_supplicant *wpa_s,
256			   u8 bssid[], unsigned int id)
257{
258	wpas_dbus_register_bss(wpa_s, bssid, id);
259	wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_ADDED "%u " MACSTR,
260		     id, MAC2STR(bssid));
261}
262
263
264void wpas_notify_bss_removed(struct wpa_supplicant *wpa_s,
265			     u8 bssid[], unsigned int id)
266{
267	wpas_dbus_unregister_bss(wpa_s, bssid, id);
268	wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_REMOVED "%u " MACSTR,
269		     id, MAC2STR(bssid));
270}
271
272
273void wpas_notify_bss_freq_changed(struct wpa_supplicant *wpa_s,
274				  unsigned int id)
275{
276	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_FREQ, id);
277}
278
279
280void wpas_notify_bss_signal_changed(struct wpa_supplicant *wpa_s,
281				    unsigned int id)
282{
283	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_SIGNAL,
284					  id);
285}
286
287
288void wpas_notify_bss_privacy_changed(struct wpa_supplicant *wpa_s,
289				     unsigned int id)
290{
291	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_PRIVACY,
292					  id);
293}
294
295
296void wpas_notify_bss_mode_changed(struct wpa_supplicant *wpa_s,
297				  unsigned int id)
298{
299	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_MODE, id);
300}
301
302
303void wpas_notify_bss_wpaie_changed(struct wpa_supplicant *wpa_s,
304				   unsigned int id)
305{
306	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_WPA, id);
307}
308
309
310void wpas_notify_bss_rsnie_changed(struct wpa_supplicant *wpa_s,
311				   unsigned int id)
312{
313	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RSN, id);
314}
315
316
317void wpas_notify_bss_wps_changed(struct wpa_supplicant *wpa_s,
318				 unsigned int id)
319{
320}
321
322
323void wpas_notify_bss_ies_changed(struct wpa_supplicant *wpa_s,
324				   unsigned int id)
325{
326	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_IES, id);
327}
328
329
330void wpas_notify_bss_rates_changed(struct wpa_supplicant *wpa_s,
331				   unsigned int id)
332{
333	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RATES, id);
334}
335
336
337void wpas_notify_blob_added(struct wpa_supplicant *wpa_s, const char *name)
338{
339	wpas_dbus_signal_blob_added(wpa_s, name);
340}
341
342
343void wpas_notify_blob_removed(struct wpa_supplicant *wpa_s, const char *name)
344{
345	wpas_dbus_signal_blob_removed(wpa_s, name);
346}
347
348
349void wpas_notify_debug_level_changed(struct wpa_global *global)
350{
351	wpas_dbus_signal_debug_level_changed(global);
352}
353
354
355void wpas_notify_debug_timestamp_changed(struct wpa_global *global)
356{
357	wpas_dbus_signal_debug_timestamp_changed(global);
358}
359
360
361void wpas_notify_debug_show_keys_changed(struct wpa_global *global)
362{
363	wpas_dbus_signal_debug_show_keys_changed(global);
364}
365
366
367void wpas_notify_suspend(struct wpa_global *global)
368{
369	struct wpa_supplicant *wpa_s;
370
371	os_get_time(&global->suspend_time);
372	wpa_printf(MSG_DEBUG, "System suspend notification");
373	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
374		wpa_drv_suspend(wpa_s);
375}
376
377
378void wpas_notify_resume(struct wpa_global *global)
379{
380	struct os_time now;
381	int slept;
382	struct wpa_supplicant *wpa_s;
383
384	if (global->suspend_time.sec == 0)
385		slept = -1;
386	else {
387		os_get_time(&now);
388		slept = now.sec - global->suspend_time.sec;
389	}
390	wpa_printf(MSG_DEBUG, "System resume notification (slept %d seconds)",
391		   slept);
392
393	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
394		wpa_drv_resume(wpa_s);
395		if (wpa_s->wpa_state == WPA_DISCONNECTED)
396			wpa_supplicant_req_scan(wpa_s, 0, 100000);
397	}
398}
399
400
401#ifdef CONFIG_P2P
402
403void wpas_notify_p2p_device_found(struct wpa_supplicant *wpa_s,
404				  const u8 *dev_addr, int new_device)
405{
406	if (new_device) {
407		/* Create the new peer object */
408		wpas_dbus_register_peer(wpa_s, dev_addr);
409	}
410
411	/* Notify a new peer has been detected*/
412	wpas_dbus_signal_peer_device_found(wpa_s, dev_addr);
413}
414
415
416void wpas_notify_p2p_device_lost(struct wpa_supplicant *wpa_s,
417				 const u8 *dev_addr)
418{
419	wpas_dbus_unregister_peer(wpa_s, dev_addr);
420
421	/* Create signal on interface object*/
422	wpas_dbus_signal_peer_device_lost(wpa_s, dev_addr);
423}
424
425
426void wpas_notify_p2p_group_removed(struct wpa_supplicant *wpa_s,
427				   const struct wpa_ssid *ssid,
428				   const char *role)
429{
430	wpas_dbus_unregister_p2p_group(wpa_s, ssid);
431
432	wpas_dbus_signal_p2p_group_removed(wpa_s, role);
433}
434
435
436void wpas_notify_p2p_go_neg_req(struct wpa_supplicant *wpa_s,
437				const u8 *src, u16 dev_passwd_id)
438{
439	wpas_dbus_signal_p2p_go_neg_req(wpa_s, src, dev_passwd_id);
440}
441
442
443void wpas_notify_p2p_go_neg_completed(struct wpa_supplicant *wpa_s,
444				      struct p2p_go_neg_results *res)
445{
446	wpas_dbus_signal_p2p_go_neg_resp(wpa_s, res);
447}
448
449
450void wpas_notify_p2p_invitation_result(struct wpa_supplicant *wpa_s,
451				       int status, const u8 *bssid)
452{
453	wpas_dbus_signal_p2p_invitation_result(wpa_s, status, bssid);
454}
455
456
457void wpas_notify_p2p_sd_request(struct wpa_supplicant *wpa_s,
458				int freq, const u8 *sa, u8 dialog_token,
459				u16 update_indic, const u8 *tlvs,
460				size_t tlvs_len)
461{
462	wpas_dbus_signal_p2p_sd_request(wpa_s, freq, sa, dialog_token,
463					update_indic, tlvs, tlvs_len);
464}
465
466
467void wpas_notify_p2p_sd_response(struct wpa_supplicant *wpa_s,
468				 const u8 *sa, u16 update_indic,
469				 const u8 *tlvs, size_t tlvs_len)
470{
471	wpas_dbus_signal_p2p_sd_response(wpa_s, sa, update_indic,
472					 tlvs, tlvs_len);
473}
474
475
476/**
477 * wpas_notify_p2p_provision_discovery - Notification of provision discovery
478 * @dev_addr: Who sent the request or responded to our request.
479 * @request: Will be 1 if request, 0 for response.
480 * @status: Valid only in case of response (0 in case of success)
481 * @config_methods: WPS config methods
482 * @generated_pin: PIN to be displayed in case of WPS_CONFIG_DISPLAY method
483 *
484 * This can be used to notify:
485 * - Requests or responses
486 * - Various config methods
487 * - Failure condition in case of response
488 */
489void wpas_notify_p2p_provision_discovery(struct wpa_supplicant *wpa_s,
490					 const u8 *dev_addr, int request,
491					 enum p2p_prov_disc_status status,
492					 u16 config_methods,
493					 unsigned int generated_pin)
494{
495	wpas_dbus_signal_p2p_provision_discovery(wpa_s, dev_addr, request,
496						 status, config_methods,
497						 generated_pin);
498}
499
500
501void wpas_notify_p2p_group_started(struct wpa_supplicant *wpa_s,
502				   struct wpa_ssid *ssid, int network_id,
503				   int client)
504{
505	/* Notify a group has been started */
506	wpas_dbus_register_p2p_group(wpa_s, ssid);
507
508	wpas_dbus_signal_p2p_group_started(wpa_s, ssid, client, network_id);
509}
510
511
512void wpas_notify_p2p_wps_failed(struct wpa_supplicant *wpa_s,
513				struct wps_event_fail *fail)
514{
515	wpas_dbus_signal_p2p_wps_failed(wpa_s, fail);
516}
517
518#endif /* CONFIG_P2P */
519
520
521static void wpas_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s,
522					  const u8 *sta,
523					  const u8 *p2p_dev_addr)
524{
525#ifdef CONFIG_P2P
526	wpas_p2p_notify_ap_sta_authorized(wpa_s, p2p_dev_addr);
527
528	/*
529	 * Register a group member object corresponding to this peer and
530	 * emit a PeerJoined signal. This will check if it really is a
531	 * P2P group.
532	 */
533	wpas_dbus_register_p2p_groupmember(wpa_s, sta);
534
535	/*
536	 * Create 'peer-joined' signal on group object -- will also
537	 * check P2P itself.
538	 */
539	wpas_dbus_signal_p2p_peer_joined(wpa_s, sta);
540#endif /* CONFIG_P2P */
541}
542
543
544static void wpas_notify_ap_sta_deauthorized(struct wpa_supplicant *wpa_s,
545					    const u8 *sta)
546{
547#ifdef CONFIG_P2P
548	/*
549	 * Unregister a group member object corresponding to this peer
550	 * if this is a P2P group.
551	 */
552	wpas_dbus_unregister_p2p_groupmember(wpa_s, sta);
553
554	/*
555	 * Create 'peer-disconnected' signal on group object if this
556	 * is a P2P group.
557	 */
558	wpas_dbus_signal_p2p_peer_disconnected(wpa_s, sta);
559#endif /* CONFIG_P2P */
560}
561
562
563void wpas_notify_sta_authorized(struct wpa_supplicant *wpa_s,
564				const u8 *mac_addr, int authorized,
565				const u8 *p2p_dev_addr)
566{
567	if (authorized)
568		wpas_notify_ap_sta_authorized(wpa_s, mac_addr, p2p_dev_addr);
569	else
570		wpas_notify_ap_sta_deauthorized(wpa_s, mac_addr);
571}
572
573
574void wpas_notify_certification(struct wpa_supplicant *wpa_s, int depth,
575			       const char *subject, const char *cert_hash,
576			       const struct wpabuf *cert)
577{
578	wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_CERT
579		"depth=%d subject='%s'%s%s",
580		depth, subject,
581		cert_hash ? " hash=" : "",
582		cert_hash ? cert_hash : "");
583
584	if (cert) {
585		char *cert_hex;
586		size_t len = wpabuf_len(cert) * 2 + 1;
587		cert_hex = os_malloc(len);
588		if (cert_hex) {
589			wpa_snprintf_hex(cert_hex, len, wpabuf_head(cert),
590					 wpabuf_len(cert));
591			wpa_msg_ctrl(wpa_s, MSG_INFO,
592				     WPA_EVENT_EAP_PEER_CERT
593				     "depth=%d subject='%s' cert=%s",
594				     depth, subject, cert_hex);
595			os_free(cert_hex);
596		}
597	}
598
599	/* notify the old DBus API */
600	wpa_supplicant_dbus_notify_certification(wpa_s, depth, subject,
601						 cert_hash, cert);
602	/* notify the new DBus API */
603	wpas_dbus_signal_certification(wpa_s, depth, subject, cert_hash, cert);
604}
605