notify.c revision 04949598a23f501be6eec21697465fd46a28840a
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 (old_state >= WPA_ASSOCIATED && 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 " SSID=%s",
94		     wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
95		     new_state,
96		     MAC2STR(wpa_s->pending_bssid),
97		     wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
98		     wpa_ssid_txt(wpa_s->current_ssid->ssid,
99		     wpa_s->current_ssid->ssid_len): "");
100#endif /* ANDROID */
101}
102
103
104void wpas_notify_disconnect_reason(struct wpa_supplicant *wpa_s)
105{
106	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_DISCONNECT_REASON);
107}
108
109
110void wpas_notify_network_changed(struct wpa_supplicant *wpa_s)
111{
112	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_NETWORK);
113}
114
115
116void wpas_notify_ap_scan_changed(struct wpa_supplicant *wpa_s)
117{
118	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_AP_SCAN);
119}
120
121
122void wpas_notify_bssid_changed(struct wpa_supplicant *wpa_s)
123{
124	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_BSS);
125}
126
127
128void wpas_notify_auth_changed(struct wpa_supplicant *wpa_s)
129{
130	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_AUTH_MODE);
131}
132
133
134void wpas_notify_network_enabled_changed(struct wpa_supplicant *wpa_s,
135					 struct wpa_ssid *ssid)
136{
137	wpas_dbus_signal_network_enabled_changed(wpa_s, ssid);
138}
139
140
141void wpas_notify_network_selected(struct wpa_supplicant *wpa_s,
142				  struct wpa_ssid *ssid)
143{
144	wpas_dbus_signal_network_selected(wpa_s, ssid->id);
145}
146
147
148void wpas_notify_network_request(struct wpa_supplicant *wpa_s,
149				 struct wpa_ssid *ssid,
150				 enum wpa_ctrl_req_type rtype,
151				 const char *default_txt)
152{
153	wpas_dbus_signal_network_request(wpa_s, ssid, rtype, default_txt);
154}
155
156
157void wpas_notify_scanning(struct wpa_supplicant *wpa_s)
158{
159	/* notify the old DBus API */
160	wpa_supplicant_dbus_notify_scanning(wpa_s);
161
162	/* notify the new DBus API */
163	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_SCANNING);
164}
165
166
167void wpas_notify_scan_done(struct wpa_supplicant *wpa_s, int success)
168{
169	wpas_dbus_signal_scan_done(wpa_s, success);
170}
171
172
173void wpas_notify_scan_results(struct wpa_supplicant *wpa_s)
174{
175	/* notify the old DBus API */
176	wpa_supplicant_dbus_notify_scan_results(wpa_s);
177
178	wpas_wps_notify_scan_results(wpa_s);
179}
180
181
182void wpas_notify_wps_credential(struct wpa_supplicant *wpa_s,
183				const struct wps_credential *cred)
184{
185#ifdef CONFIG_WPS
186	/* notify the old DBus API */
187	wpa_supplicant_dbus_notify_wps_cred(wpa_s, cred);
188	/* notify the new DBus API */
189	wpas_dbus_signal_wps_cred(wpa_s, cred);
190#endif /* CONFIG_WPS */
191}
192
193
194void wpas_notify_wps_event_m2d(struct wpa_supplicant *wpa_s,
195			       struct wps_event_m2d *m2d)
196{
197#ifdef CONFIG_WPS
198	wpas_dbus_signal_wps_event_m2d(wpa_s, m2d);
199#endif /* CONFIG_WPS */
200}
201
202
203void wpas_notify_wps_event_fail(struct wpa_supplicant *wpa_s,
204				struct wps_event_fail *fail)
205{
206#ifdef CONFIG_WPS
207	wpas_dbus_signal_wps_event_fail(wpa_s, fail);
208#endif /* CONFIG_WPS */
209}
210
211
212void wpas_notify_wps_event_success(struct wpa_supplicant *wpa_s)
213{
214#ifdef CONFIG_WPS
215	wpas_dbus_signal_wps_event_success(wpa_s);
216#endif /* CONFIG_WPS */
217}
218
219
220void wpas_notify_network_added(struct wpa_supplicant *wpa_s,
221			       struct wpa_ssid *ssid)
222{
223	/*
224	 * Networks objects created during any P2P activities should not be
225	 * exposed out. They might/will confuse certain non-P2P aware
226	 * applications since these network objects won't behave like
227	 * regular ones.
228	 */
229	if (wpa_s->global->p2p_group_formation != wpa_s)
230		wpas_dbus_register_network(wpa_s, ssid);
231}
232
233
234void wpas_notify_persistent_group_added(struct wpa_supplicant *wpa_s,
235					struct wpa_ssid *ssid)
236{
237#ifdef CONFIG_P2P
238	wpas_dbus_register_persistent_group(wpa_s, ssid);
239#endif /* CONFIG_P2P */
240}
241
242
243void wpas_notify_persistent_group_removed(struct wpa_supplicant *wpa_s,
244					  struct wpa_ssid *ssid)
245{
246#ifdef CONFIG_P2P
247	wpas_dbus_unregister_persistent_group(wpa_s, ssid->id);
248#endif /* CONFIG_P2P */
249}
250
251
252void wpas_notify_network_removed(struct wpa_supplicant *wpa_s,
253				 struct wpa_ssid *ssid)
254{
255	if (wpa_s->wpa)
256		wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
257	if (wpa_s->global->p2p_group_formation != wpa_s)
258		wpas_dbus_unregister_network(wpa_s, ssid->id);
259#ifdef CONFIG_P2P
260	wpas_p2p_network_removed(wpa_s, ssid);
261#endif /* CONFIG_P2P */
262}
263
264
265void wpas_notify_bss_added(struct wpa_supplicant *wpa_s,
266			   u8 bssid[], unsigned int id)
267{
268	wpas_dbus_register_bss(wpa_s, bssid, id);
269	wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_ADDED "%u " MACSTR,
270		     id, MAC2STR(bssid));
271}
272
273
274void wpas_notify_bss_removed(struct wpa_supplicant *wpa_s,
275			     u8 bssid[], unsigned int id)
276{
277	wpas_dbus_unregister_bss(wpa_s, bssid, id);
278	wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_REMOVED "%u " MACSTR,
279		     id, MAC2STR(bssid));
280}
281
282
283void wpas_notify_bss_freq_changed(struct wpa_supplicant *wpa_s,
284				  unsigned int id)
285{
286	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_FREQ, id);
287}
288
289
290void wpas_notify_bss_signal_changed(struct wpa_supplicant *wpa_s,
291				    unsigned int id)
292{
293	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_SIGNAL,
294					  id);
295}
296
297
298void wpas_notify_bss_privacy_changed(struct wpa_supplicant *wpa_s,
299				     unsigned int id)
300{
301	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_PRIVACY,
302					  id);
303}
304
305
306void wpas_notify_bss_mode_changed(struct wpa_supplicant *wpa_s,
307				  unsigned int id)
308{
309	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_MODE, id);
310}
311
312
313void wpas_notify_bss_wpaie_changed(struct wpa_supplicant *wpa_s,
314				   unsigned int id)
315{
316	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_WPA, id);
317}
318
319
320void wpas_notify_bss_rsnie_changed(struct wpa_supplicant *wpa_s,
321				   unsigned int id)
322{
323	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RSN, id);
324}
325
326
327void wpas_notify_bss_wps_changed(struct wpa_supplicant *wpa_s,
328				 unsigned int id)
329{
330}
331
332
333void wpas_notify_bss_ies_changed(struct wpa_supplicant *wpa_s,
334				   unsigned int id)
335{
336	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_IES, id);
337}
338
339
340void wpas_notify_bss_rates_changed(struct wpa_supplicant *wpa_s,
341				   unsigned int id)
342{
343	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RATES, id);
344}
345
346
347void wpas_notify_blob_added(struct wpa_supplicant *wpa_s, const char *name)
348{
349	wpas_dbus_signal_blob_added(wpa_s, name);
350}
351
352
353void wpas_notify_blob_removed(struct wpa_supplicant *wpa_s, const char *name)
354{
355	wpas_dbus_signal_blob_removed(wpa_s, name);
356}
357
358
359void wpas_notify_debug_level_changed(struct wpa_global *global)
360{
361	wpas_dbus_signal_debug_level_changed(global);
362}
363
364
365void wpas_notify_debug_timestamp_changed(struct wpa_global *global)
366{
367	wpas_dbus_signal_debug_timestamp_changed(global);
368}
369
370
371void wpas_notify_debug_show_keys_changed(struct wpa_global *global)
372{
373	wpas_dbus_signal_debug_show_keys_changed(global);
374}
375
376
377void wpas_notify_suspend(struct wpa_global *global)
378{
379	struct wpa_supplicant *wpa_s;
380
381	os_get_time(&global->suspend_time);
382	wpa_printf(MSG_DEBUG, "System suspend notification");
383	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
384		wpa_drv_suspend(wpa_s);
385}
386
387
388void wpas_notify_resume(struct wpa_global *global)
389{
390	struct os_time now;
391	int slept;
392	struct wpa_supplicant *wpa_s;
393
394	if (global->suspend_time.sec == 0)
395		slept = -1;
396	else {
397		os_get_time(&now);
398		slept = now.sec - global->suspend_time.sec;
399	}
400	wpa_printf(MSG_DEBUG, "System resume notification (slept %d seconds)",
401		   slept);
402
403	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
404		wpa_drv_resume(wpa_s);
405		if (wpa_s->wpa_state == WPA_DISCONNECTED)
406			wpa_supplicant_req_scan(wpa_s, 0, 100000);
407	}
408}
409
410
411#ifdef CONFIG_P2P
412
413void wpas_notify_p2p_device_found(struct wpa_supplicant *wpa_s,
414				  const u8 *dev_addr, int new_device)
415{
416	if (new_device) {
417		/* Create the new peer object */
418		wpas_dbus_register_peer(wpa_s, dev_addr);
419	}
420
421	/* Notify a new peer has been detected*/
422	wpas_dbus_signal_peer_device_found(wpa_s, dev_addr);
423}
424
425
426void wpas_notify_p2p_device_lost(struct wpa_supplicant *wpa_s,
427				 const u8 *dev_addr)
428{
429	wpas_dbus_unregister_peer(wpa_s, dev_addr);
430
431	/* Create signal on interface object*/
432	wpas_dbus_signal_peer_device_lost(wpa_s, dev_addr);
433}
434
435
436void wpas_notify_p2p_group_removed(struct wpa_supplicant *wpa_s,
437				   const struct wpa_ssid *ssid,
438				   const char *role)
439{
440	wpas_dbus_unregister_p2p_group(wpa_s, ssid);
441
442	wpas_dbus_signal_p2p_group_removed(wpa_s, role);
443}
444
445
446void wpas_notify_p2p_go_neg_req(struct wpa_supplicant *wpa_s,
447				const u8 *src, u16 dev_passwd_id)
448{
449	wpas_dbus_signal_p2p_go_neg_req(wpa_s, src, dev_passwd_id);
450}
451
452
453void wpas_notify_p2p_go_neg_completed(struct wpa_supplicant *wpa_s,
454				      struct p2p_go_neg_results *res)
455{
456	wpas_dbus_signal_p2p_go_neg_resp(wpa_s, res);
457}
458
459
460void wpas_notify_p2p_invitation_result(struct wpa_supplicant *wpa_s,
461				       int status, const u8 *bssid)
462{
463	wpas_dbus_signal_p2p_invitation_result(wpa_s, status, bssid);
464}
465
466
467void wpas_notify_p2p_sd_request(struct wpa_supplicant *wpa_s,
468				int freq, const u8 *sa, u8 dialog_token,
469				u16 update_indic, const u8 *tlvs,
470				size_t tlvs_len)
471{
472	wpas_dbus_signal_p2p_sd_request(wpa_s, freq, sa, dialog_token,
473					update_indic, tlvs, tlvs_len);
474}
475
476
477void wpas_notify_p2p_sd_response(struct wpa_supplicant *wpa_s,
478				 const u8 *sa, u16 update_indic,
479				 const u8 *tlvs, size_t tlvs_len)
480{
481	wpas_dbus_signal_p2p_sd_response(wpa_s, sa, update_indic,
482					 tlvs, tlvs_len);
483}
484
485
486/**
487 * wpas_notify_p2p_provision_discovery - Notification of provision discovery
488 * @dev_addr: Who sent the request or responded to our request.
489 * @request: Will be 1 if request, 0 for response.
490 * @status: Valid only in case of response (0 in case of success)
491 * @config_methods: WPS config methods
492 * @generated_pin: PIN to be displayed in case of WPS_CONFIG_DISPLAY method
493 *
494 * This can be used to notify:
495 * - Requests or responses
496 * - Various config methods
497 * - Failure condition in case of response
498 */
499void wpas_notify_p2p_provision_discovery(struct wpa_supplicant *wpa_s,
500					 const u8 *dev_addr, int request,
501					 enum p2p_prov_disc_status status,
502					 u16 config_methods,
503					 unsigned int generated_pin)
504{
505	wpas_dbus_signal_p2p_provision_discovery(wpa_s, dev_addr, request,
506						 status, config_methods,
507						 generated_pin);
508}
509
510
511void wpas_notify_p2p_group_started(struct wpa_supplicant *wpa_s,
512				   struct wpa_ssid *ssid, int network_id,
513				   int client)
514{
515	/* Notify a group has been started */
516	wpas_dbus_register_p2p_group(wpa_s, ssid);
517
518	wpas_dbus_signal_p2p_group_started(wpa_s, ssid, client, network_id);
519}
520
521
522void wpas_notify_p2p_wps_failed(struct wpa_supplicant *wpa_s,
523				struct wps_event_fail *fail)
524{
525	wpas_dbus_signal_p2p_wps_failed(wpa_s, fail);
526}
527
528#endif /* CONFIG_P2P */
529
530
531static void wpas_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s,
532					  const u8 *sta,
533					  const u8 *p2p_dev_addr)
534{
535#ifdef CONFIG_P2P
536	wpas_p2p_notify_ap_sta_authorized(wpa_s, p2p_dev_addr);
537
538	/*
539	 * Register a group member object corresponding to this peer and
540	 * emit a PeerJoined signal. This will check if it really is a
541	 * P2P group.
542	 */
543	wpas_dbus_register_p2p_groupmember(wpa_s, sta);
544
545	/*
546	 * Create 'peer-joined' signal on group object -- will also
547	 * check P2P itself.
548	 */
549	wpas_dbus_signal_p2p_peer_joined(wpa_s, sta);
550#endif /* CONFIG_P2P */
551}
552
553
554static void wpas_notify_ap_sta_deauthorized(struct wpa_supplicant *wpa_s,
555					    const u8 *sta)
556{
557#ifdef CONFIG_P2P
558	/*
559	 * Unregister a group member object corresponding to this peer
560	 * if this is a P2P group.
561	 */
562	wpas_dbus_unregister_p2p_groupmember(wpa_s, sta);
563
564	/*
565	 * Create 'peer-disconnected' signal on group object if this
566	 * is a P2P group.
567	 */
568	wpas_dbus_signal_p2p_peer_disconnected(wpa_s, sta);
569#endif /* CONFIG_P2P */
570}
571
572
573void wpas_notify_sta_authorized(struct wpa_supplicant *wpa_s,
574				const u8 *mac_addr, int authorized,
575				const u8 *p2p_dev_addr)
576{
577	if (authorized)
578		wpas_notify_ap_sta_authorized(wpa_s, mac_addr, p2p_dev_addr);
579	else
580		wpas_notify_ap_sta_deauthorized(wpa_s, mac_addr);
581}
582
583
584void wpas_notify_certification(struct wpa_supplicant *wpa_s, int depth,
585			       const char *subject, const char *cert_hash,
586			       const struct wpabuf *cert)
587{
588	wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_CERT
589		"depth=%d subject='%s'%s%s",
590		depth, subject,
591		cert_hash ? " hash=" : "",
592		cert_hash ? cert_hash : "");
593
594	if (cert) {
595		char *cert_hex;
596		size_t len = wpabuf_len(cert) * 2 + 1;
597		cert_hex = os_malloc(len);
598		if (cert_hex) {
599			wpa_snprintf_hex(cert_hex, len, wpabuf_head(cert),
600					 wpabuf_len(cert));
601			wpa_msg_ctrl(wpa_s, MSG_INFO,
602				     WPA_EVENT_EAP_PEER_CERT
603				     "depth=%d subject='%s' cert=%s",
604				     depth, subject, cert_hex);
605			os_free(cert_hex);
606		}
607	}
608
609	/* notify the old DBus API */
610	wpa_supplicant_dbus_notify_certification(wpa_s, depth, subject,
611						 cert_hash, cert);
612	/* notify the new DBus API */
613	wpas_dbus_signal_certification(wpa_s, depth, subject, cert_hash, cert);
614}
615
616
617void wpas_notify_preq(struct wpa_supplicant *wpa_s,
618		      const u8 *addr, const u8 *dst, const u8 *bssid,
619		      const u8 *ie, size_t ie_len, u32 ssi_signal)
620{
621#ifdef CONFIG_AP
622	wpas_dbus_signal_preq(wpa_s, addr, dst, bssid, ie, ie_len, ssi_signal);
623#endif /* CONFIG_AP */
624}
625
626
627void wpas_notify_eap_status(struct wpa_supplicant *wpa_s, const char *status,
628			    const char *parameter)
629{
630	wpas_dbus_signal_eap_status(wpa_s, status, parameter);
631}
632