notify.c revision 391c59f0632df8db1c325da1d31d479b2eedce45
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->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 (!ssid->p2p_group && 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 (!ssid->p2p_group && 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#ifdef CONFIG_WPS
331	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_WPS, id);
332#endif /* CONFIG_WPS */
333}
334
335
336void wpas_notify_bss_ies_changed(struct wpa_supplicant *wpa_s,
337				   unsigned int id)
338{
339	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_IES, id);
340}
341
342
343void wpas_notify_bss_rates_changed(struct wpa_supplicant *wpa_s,
344				   unsigned int id)
345{
346	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RATES, id);
347}
348
349
350void wpas_notify_blob_added(struct wpa_supplicant *wpa_s, const char *name)
351{
352	wpas_dbus_signal_blob_added(wpa_s, name);
353}
354
355
356void wpas_notify_blob_removed(struct wpa_supplicant *wpa_s, const char *name)
357{
358	wpas_dbus_signal_blob_removed(wpa_s, name);
359}
360
361
362void wpas_notify_debug_level_changed(struct wpa_global *global)
363{
364	wpas_dbus_signal_debug_level_changed(global);
365}
366
367
368void wpas_notify_debug_timestamp_changed(struct wpa_global *global)
369{
370	wpas_dbus_signal_debug_timestamp_changed(global);
371}
372
373
374void wpas_notify_debug_show_keys_changed(struct wpa_global *global)
375{
376	wpas_dbus_signal_debug_show_keys_changed(global);
377}
378
379
380void wpas_notify_suspend(struct wpa_global *global)
381{
382	struct wpa_supplicant *wpa_s;
383
384	os_get_time(&global->suspend_time);
385	wpa_printf(MSG_DEBUG, "System suspend notification");
386	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
387		wpa_drv_suspend(wpa_s);
388}
389
390
391void wpas_notify_resume(struct wpa_global *global)
392{
393	struct os_time now;
394	int slept;
395	struct wpa_supplicant *wpa_s;
396
397	if (global->suspend_time.sec == 0)
398		slept = -1;
399	else {
400		os_get_time(&now);
401		slept = now.sec - global->suspend_time.sec;
402	}
403	wpa_printf(MSG_DEBUG, "System resume notification (slept %d seconds)",
404		   slept);
405
406	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
407		wpa_drv_resume(wpa_s);
408		if (wpa_s->wpa_state == WPA_DISCONNECTED)
409			wpa_supplicant_req_scan(wpa_s, 0, 100000);
410	}
411}
412
413
414#ifdef CONFIG_P2P
415
416void wpas_notify_p2p_device_found(struct wpa_supplicant *wpa_s,
417				  const u8 *dev_addr, int new_device)
418{
419	if (new_device) {
420		/* Create the new peer object */
421		wpas_dbus_register_peer(wpa_s, dev_addr);
422	}
423
424	/* Notify a new peer has been detected*/
425	wpas_dbus_signal_peer_device_found(wpa_s, dev_addr);
426}
427
428
429void wpas_notify_p2p_device_lost(struct wpa_supplicant *wpa_s,
430				 const u8 *dev_addr)
431{
432	wpas_dbus_unregister_peer(wpa_s, dev_addr);
433
434	/* Create signal on interface object*/
435	wpas_dbus_signal_peer_device_lost(wpa_s, dev_addr);
436}
437
438
439void wpas_notify_p2p_group_removed(struct wpa_supplicant *wpa_s,
440				   const struct wpa_ssid *ssid,
441				   const char *role)
442{
443	wpas_dbus_unregister_p2p_group(wpa_s, ssid);
444
445	wpas_dbus_signal_p2p_group_removed(wpa_s, role);
446}
447
448
449void wpas_notify_p2p_go_neg_req(struct wpa_supplicant *wpa_s,
450				const u8 *src, u16 dev_passwd_id)
451{
452	wpas_dbus_signal_p2p_go_neg_req(wpa_s, src, dev_passwd_id);
453}
454
455
456void wpas_notify_p2p_go_neg_completed(struct wpa_supplicant *wpa_s,
457				      struct p2p_go_neg_results *res)
458{
459	wpas_dbus_signal_p2p_go_neg_resp(wpa_s, res);
460}
461
462
463void wpas_notify_p2p_invitation_result(struct wpa_supplicant *wpa_s,
464				       int status, const u8 *bssid)
465{
466	wpas_dbus_signal_p2p_invitation_result(wpa_s, status, bssid);
467}
468
469
470void wpas_notify_p2p_sd_request(struct wpa_supplicant *wpa_s,
471				int freq, const u8 *sa, u8 dialog_token,
472				u16 update_indic, const u8 *tlvs,
473				size_t tlvs_len)
474{
475	wpas_dbus_signal_p2p_sd_request(wpa_s, freq, sa, dialog_token,
476					update_indic, tlvs, tlvs_len);
477}
478
479
480void wpas_notify_p2p_sd_response(struct wpa_supplicant *wpa_s,
481				 const u8 *sa, u16 update_indic,
482				 const u8 *tlvs, size_t tlvs_len)
483{
484	wpas_dbus_signal_p2p_sd_response(wpa_s, sa, update_indic,
485					 tlvs, tlvs_len);
486}
487
488
489/**
490 * wpas_notify_p2p_provision_discovery - Notification of provision discovery
491 * @dev_addr: Who sent the request or responded to our request.
492 * @request: Will be 1 if request, 0 for response.
493 * @status: Valid only in case of response (0 in case of success)
494 * @config_methods: WPS config methods
495 * @generated_pin: PIN to be displayed in case of WPS_CONFIG_DISPLAY method
496 *
497 * This can be used to notify:
498 * - Requests or responses
499 * - Various config methods
500 * - Failure condition in case of response
501 */
502void wpas_notify_p2p_provision_discovery(struct wpa_supplicant *wpa_s,
503					 const u8 *dev_addr, int request,
504					 enum p2p_prov_disc_status status,
505					 u16 config_methods,
506					 unsigned int generated_pin)
507{
508	wpas_dbus_signal_p2p_provision_discovery(wpa_s, dev_addr, request,
509						 status, config_methods,
510						 generated_pin);
511}
512
513
514void wpas_notify_p2p_group_started(struct wpa_supplicant *wpa_s,
515				   struct wpa_ssid *ssid, int network_id,
516				   int client)
517{
518	/* Notify a group has been started */
519	wpas_dbus_register_p2p_group(wpa_s, ssid);
520
521	wpas_dbus_signal_p2p_group_started(wpa_s, ssid, client, network_id);
522}
523
524
525void wpas_notify_p2p_wps_failed(struct wpa_supplicant *wpa_s,
526				struct wps_event_fail *fail)
527{
528	wpas_dbus_signal_p2p_wps_failed(wpa_s, fail);
529}
530
531#endif /* CONFIG_P2P */
532
533
534static void wpas_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s,
535					  const u8 *sta,
536					  const u8 *p2p_dev_addr)
537{
538#ifdef CONFIG_P2P
539	wpas_p2p_notify_ap_sta_authorized(wpa_s, p2p_dev_addr);
540
541	/*
542	 * Register a group member object corresponding to this peer and
543	 * emit a PeerJoined signal. This will check if it really is a
544	 * P2P group.
545	 */
546	wpas_dbus_register_p2p_groupmember(wpa_s, sta);
547
548	/*
549	 * Create 'peer-joined' signal on group object -- will also
550	 * check P2P itself.
551	 */
552	wpas_dbus_signal_p2p_peer_joined(wpa_s, sta);
553#endif /* CONFIG_P2P */
554
555	/* Notify listeners a new station has been authorized */
556	wpas_dbus_signal_sta_authorized(wpa_s, sta);
557}
558
559
560static void wpas_notify_ap_sta_deauthorized(struct wpa_supplicant *wpa_s,
561					    const u8 *sta)
562{
563#ifdef CONFIG_P2P
564	/*
565	 * Unregister a group member object corresponding to this peer
566	 * if this is a P2P group.
567	 */
568	wpas_dbus_unregister_p2p_groupmember(wpa_s, sta);
569
570	/*
571	 * Create 'peer-disconnected' signal on group object if this
572	 * is a P2P group.
573	 */
574	wpas_dbus_signal_p2p_peer_disconnected(wpa_s, sta);
575#endif /* CONFIG_P2P */
576
577	/* Notify listeners a station has been deauthorized */
578	wpas_dbus_signal_sta_deauthorized(wpa_s, sta);
579}
580
581
582void wpas_notify_sta_authorized(struct wpa_supplicant *wpa_s,
583				const u8 *mac_addr, int authorized,
584				const u8 *p2p_dev_addr)
585{
586	if (authorized)
587		wpas_notify_ap_sta_authorized(wpa_s, mac_addr, p2p_dev_addr);
588	else
589		wpas_notify_ap_sta_deauthorized(wpa_s, mac_addr);
590}
591
592
593void wpas_notify_certification(struct wpa_supplicant *wpa_s, int depth,
594			       const char *subject, const char *cert_hash,
595			       const struct wpabuf *cert)
596{
597	wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_CERT
598		"depth=%d subject='%s'%s%s",
599		depth, subject,
600		cert_hash ? " hash=" : "",
601		cert_hash ? cert_hash : "");
602
603	if (cert) {
604		char *cert_hex;
605		size_t len = wpabuf_len(cert) * 2 + 1;
606		cert_hex = os_malloc(len);
607		if (cert_hex) {
608			wpa_snprintf_hex(cert_hex, len, wpabuf_head(cert),
609					 wpabuf_len(cert));
610			wpa_msg_ctrl(wpa_s, MSG_INFO,
611				     WPA_EVENT_EAP_PEER_CERT
612				     "depth=%d subject='%s' cert=%s",
613				     depth, subject, cert_hex);
614			os_free(cert_hex);
615		}
616	}
617
618	/* notify the old DBus API */
619	wpa_supplicant_dbus_notify_certification(wpa_s, depth, subject,
620						 cert_hash, cert);
621	/* notify the new DBus API */
622	wpas_dbus_signal_certification(wpa_s, depth, subject, cert_hash, cert);
623}
624
625
626void wpas_notify_preq(struct wpa_supplicant *wpa_s,
627		      const u8 *addr, const u8 *dst, const u8 *bssid,
628		      const u8 *ie, size_t ie_len, u32 ssi_signal)
629{
630#ifdef CONFIG_AP
631	wpas_dbus_signal_preq(wpa_s, addr, dst, bssid, ie, ie_len, ssi_signal);
632#endif /* CONFIG_AP */
633}
634
635
636void wpas_notify_eap_status(struct wpa_supplicant *wpa_s, const char *status,
637			    const char *parameter)
638{
639	wpas_dbus_signal_eap_status(wpa_s, status, parameter);
640	wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_EAP_STATUS
641		     "status='%s' parameter='%s'",
642		     status, parameter);
643}
644