notify.c revision 1f69aa52ea2e0a73ac502565df8c666ee49cab6a
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
15#include "utils/includes.h"
16
17#include "utils/common.h"
18#include "common/wpa_ctrl.h"
19#include "config.h"
20#include "wpa_supplicant_i.h"
21#include "wps_supplicant.h"
22#include "dbus/dbus_common.h"
23#include "dbus/dbus_old.h"
24#include "dbus/dbus_new.h"
25#include "rsn_supp/wpa.h"
26#include "driver_i.h"
27#include "scan.h"
28#include "p2p_supplicant.h"
29#include "sme.h"
30#include "notify.h"
31
32int wpas_notify_supplicant_initialized(struct wpa_global *global)
33{
34#ifdef CONFIG_DBUS
35	if (global->params.dbus_ctrl_interface) {
36		global->dbus = wpas_dbus_init(global);
37		if (global->dbus == NULL)
38			return -1;
39	}
40#endif /* CONFIG_DBUS */
41
42	return 0;
43}
44
45
46void wpas_notify_supplicant_deinitialized(struct wpa_global *global)
47{
48#ifdef CONFIG_DBUS
49	if (global->dbus)
50		wpas_dbus_deinit(global->dbus);
51#endif /* CONFIG_DBUS */
52}
53
54
55int wpas_notify_iface_added(struct wpa_supplicant *wpa_s)
56{
57	if (wpas_dbus_register_iface(wpa_s))
58		return -1;
59
60	if (wpas_dbus_register_interface(wpa_s))
61		return -1;
62
63	return 0;
64}
65
66
67void wpas_notify_iface_removed(struct wpa_supplicant *wpa_s)
68{
69	/* unregister interface in old DBus ctrl iface */
70	wpas_dbus_unregister_iface(wpa_s);
71
72	/* unregister interface in new DBus ctrl iface */
73	wpas_dbus_unregister_interface(wpa_s);
74}
75
76
77void wpas_notify_state_changed(struct wpa_supplicant *wpa_s,
78			       enum wpa_states new_state,
79			       enum wpa_states old_state)
80{
81	/* notify the old DBus API */
82	wpa_supplicant_dbus_notify_state_change(wpa_s, new_state,
83						old_state);
84
85	/* notify the new DBus API */
86	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_STATE);
87
88#ifdef CONFIG_P2P
89	if (new_state == WPA_COMPLETED)
90		wpas_p2p_notif_connected(wpa_s);
91	else if (new_state < WPA_ASSOCIATED)
92		wpas_p2p_notif_disconnected(wpa_s);
93#endif /* CONFIG_P2P */
94
95	sme_state_changed(wpa_s);
96
97#ifdef ANDROID
98	wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
99		     "id=%d state=%d BSSID=" MACSTR,
100		     wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
101		     new_state, MAC2STR(wpa_s->pending_bssid));
102#endif /* ANDROID */
103}
104
105
106void wpas_notify_network_changed(struct wpa_supplicant *wpa_s)
107{
108	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_NETWORK);
109}
110
111
112void wpas_notify_ap_scan_changed(struct wpa_supplicant *wpa_s)
113{
114	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_AP_SCAN);
115}
116
117
118void wpas_notify_bssid_changed(struct wpa_supplicant *wpa_s)
119{
120	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_BSS);
121}
122
123
124void wpas_notify_auth_changed(struct wpa_supplicant *wpa_s)
125{
126	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_AUTH_MODE);
127}
128
129
130void wpas_notify_network_enabled_changed(struct wpa_supplicant *wpa_s,
131					 struct wpa_ssid *ssid)
132{
133	wpas_dbus_signal_network_enabled_changed(wpa_s, ssid);
134}
135
136
137void wpas_notify_network_selected(struct wpa_supplicant *wpa_s,
138				  struct wpa_ssid *ssid)
139{
140	wpas_dbus_signal_network_selected(wpa_s, ssid->id);
141}
142
143
144void wpas_notify_network_request(struct wpa_supplicant *wpa_s,
145				 struct wpa_ssid *ssid,
146				 enum wpa_ctrl_req_type rtype,
147				 const char *default_txt)
148{
149	wpas_dbus_signal_network_request(wpa_s, ssid, rtype, default_txt);
150}
151
152
153void wpas_notify_scanning(struct wpa_supplicant *wpa_s)
154{
155	/* notify the old DBus API */
156	wpa_supplicant_dbus_notify_scanning(wpa_s);
157
158	/* notify the new DBus API */
159	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_SCANNING);
160}
161
162
163void wpas_notify_scan_done(struct wpa_supplicant *wpa_s, int success)
164{
165	wpas_dbus_signal_scan_done(wpa_s, success);
166}
167
168
169void wpas_notify_scan_results(struct wpa_supplicant *wpa_s)
170{
171	/* notify the old DBus API */
172	wpa_supplicant_dbus_notify_scan_results(wpa_s);
173
174	wpas_wps_notify_scan_results(wpa_s);
175}
176
177
178void wpas_notify_wps_credential(struct wpa_supplicant *wpa_s,
179				const struct wps_credential *cred)
180{
181#ifdef CONFIG_WPS
182	/* notify the old DBus API */
183	wpa_supplicant_dbus_notify_wps_cred(wpa_s, cred);
184	/* notify the new DBus API */
185	wpas_dbus_signal_wps_cred(wpa_s, cred);
186#endif /* CONFIG_WPS */
187}
188
189
190void wpas_notify_wps_event_m2d(struct wpa_supplicant *wpa_s,
191			       struct wps_event_m2d *m2d)
192{
193#ifdef CONFIG_WPS
194	wpas_dbus_signal_wps_event_m2d(wpa_s, m2d);
195#endif /* CONFIG_WPS */
196}
197
198
199void wpas_notify_wps_event_fail(struct wpa_supplicant *wpa_s,
200				struct wps_event_fail *fail)
201{
202#ifdef CONFIG_WPS
203	wpas_dbus_signal_wps_event_fail(wpa_s, fail);
204#endif /* CONFIG_WPS */
205}
206
207
208void wpas_notify_wps_event_success(struct wpa_supplicant *wpa_s)
209{
210#ifdef CONFIG_WPS
211	wpas_dbus_signal_wps_event_success(wpa_s);
212#endif /* CONFIG_WPS */
213}
214
215
216void wpas_notify_network_added(struct wpa_supplicant *wpa_s,
217			       struct wpa_ssid *ssid)
218{
219	/*
220	 * Networks objects created during any P2P activities should not be
221	 * exposed out. They might/will confuse certain non-P2P aware
222	 * applications since these network objects won't behave like
223	 * regular ones.
224	 */
225	if (wpa_s->global->p2p_group_formation != wpa_s)
226		wpas_dbus_register_network(wpa_s, ssid);
227}
228
229
230void wpas_notify_persistent_group_added(struct wpa_supplicant *wpa_s,
231					struct wpa_ssid *ssid)
232{
233#ifdef CONFIG_P2P
234	wpas_dbus_register_persistent_group(wpa_s, ssid);
235#endif /* CONFIG_P2P */
236}
237
238
239void wpas_notify_persistent_group_removed(struct wpa_supplicant *wpa_s,
240					  struct wpa_ssid *ssid)
241{
242#ifdef CONFIG_P2P
243	wpas_dbus_unregister_persistent_group(wpa_s, ssid->id);
244#endif /* CONFIG_P2P */
245}
246
247
248void wpas_notify_network_removed(struct wpa_supplicant *wpa_s,
249				 struct wpa_ssid *ssid)
250{
251	if (wpa_s->wpa)
252		wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
253	if (wpa_s->global->p2p_group_formation != wpa_s)
254		wpas_dbus_unregister_network(wpa_s, ssid->id);
255#ifdef CONFIG_P2P
256	wpas_p2p_network_removed(wpa_s, ssid);
257#endif /* CONFIG_P2P */
258}
259
260
261void wpas_notify_bss_added(struct wpa_supplicant *wpa_s,
262			   u8 bssid[], unsigned int id)
263{
264	wpas_dbus_register_bss(wpa_s, bssid, id);
265	wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_ADDED "%u " MACSTR,
266		     id, MAC2STR(bssid));
267}
268
269
270void wpas_notify_bss_removed(struct wpa_supplicant *wpa_s,
271			     u8 bssid[], unsigned int id)
272{
273	wpas_dbus_unregister_bss(wpa_s, bssid, id);
274	wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_REMOVED "%u " MACSTR,
275		     id, MAC2STR(bssid));
276}
277
278
279void wpas_notify_bss_freq_changed(struct wpa_supplicant *wpa_s,
280				  unsigned int id)
281{
282	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_FREQ, id);
283}
284
285
286void wpas_notify_bss_signal_changed(struct wpa_supplicant *wpa_s,
287				    unsigned int id)
288{
289	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_SIGNAL,
290					  id);
291}
292
293
294void wpas_notify_bss_privacy_changed(struct wpa_supplicant *wpa_s,
295				     unsigned int id)
296{
297	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_PRIVACY,
298					  id);
299}
300
301
302void wpas_notify_bss_mode_changed(struct wpa_supplicant *wpa_s,
303				  unsigned int id)
304{
305	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_MODE, id);
306}
307
308
309void wpas_notify_bss_wpaie_changed(struct wpa_supplicant *wpa_s,
310				   unsigned int id)
311{
312	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_WPA, id);
313}
314
315
316void wpas_notify_bss_rsnie_changed(struct wpa_supplicant *wpa_s,
317				   unsigned int id)
318{
319	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RSN, id);
320}
321
322
323void wpas_notify_bss_wps_changed(struct wpa_supplicant *wpa_s,
324				 unsigned int id)
325{
326}
327
328
329void wpas_notify_bss_ies_changed(struct wpa_supplicant *wpa_s,
330				   unsigned int id)
331{
332	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_IES, id);
333}
334
335
336void wpas_notify_bss_rates_changed(struct wpa_supplicant *wpa_s,
337				   unsigned int id)
338{
339	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RATES, id);
340}
341
342
343void wpas_notify_blob_added(struct wpa_supplicant *wpa_s, const char *name)
344{
345	wpas_dbus_signal_blob_added(wpa_s, name);
346}
347
348
349void wpas_notify_blob_removed(struct wpa_supplicant *wpa_s, const char *name)
350{
351	wpas_dbus_signal_blob_removed(wpa_s, name);
352}
353
354
355void wpas_notify_debug_level_changed(struct wpa_global *global)
356{
357	wpas_dbus_signal_debug_level_changed(global);
358}
359
360
361void wpas_notify_debug_timestamp_changed(struct wpa_global *global)
362{
363	wpas_dbus_signal_debug_timestamp_changed(global);
364}
365
366
367void wpas_notify_debug_show_keys_changed(struct wpa_global *global)
368{
369	wpas_dbus_signal_debug_show_keys_changed(global);
370}
371
372
373void wpas_notify_suspend(struct wpa_global *global)
374{
375	struct wpa_supplicant *wpa_s;
376
377	os_get_time(&global->suspend_time);
378	wpa_printf(MSG_DEBUG, "System suspend notification");
379	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
380		wpa_drv_suspend(wpa_s);
381}
382
383
384void wpas_notify_resume(struct wpa_global *global)
385{
386	struct os_time now;
387	int slept;
388	struct wpa_supplicant *wpa_s;
389
390	if (global->suspend_time.sec == 0)
391		slept = -1;
392	else {
393		os_get_time(&now);
394		slept = now.sec - global->suspend_time.sec;
395	}
396	wpa_printf(MSG_DEBUG, "System resume notification (slept %d seconds)",
397		   slept);
398
399	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
400		wpa_drv_resume(wpa_s);
401		if (wpa_s->wpa_state == WPA_DISCONNECTED)
402			wpa_supplicant_req_scan(wpa_s, 0, 100000);
403	}
404}
405
406
407#ifdef CONFIG_P2P
408
409void wpas_notify_p2p_device_found(struct wpa_supplicant *wpa_s,
410				  const u8 *dev_addr, int new_device)
411{
412	if (new_device) {
413		/* Create the new peer object */
414		wpas_dbus_register_peer(wpa_s, dev_addr);
415	}
416
417	/* Notify a new peer has been detected*/
418	wpas_dbus_signal_peer_device_found(wpa_s, dev_addr);
419}
420
421
422void wpas_notify_p2p_device_lost(struct wpa_supplicant *wpa_s,
423				 const u8 *dev_addr)
424{
425	wpas_dbus_unregister_peer(wpa_s, dev_addr);
426
427	/* Create signal on interface object*/
428	wpas_dbus_signal_peer_device_lost(wpa_s, dev_addr);
429}
430
431
432void wpas_notify_p2p_group_removed(struct wpa_supplicant *wpa_s,
433				   const struct wpa_ssid *ssid,
434				   const char *role)
435{
436	wpas_dbus_unregister_p2p_group(wpa_s, ssid);
437
438	wpas_dbus_signal_p2p_group_removed(wpa_s, role);
439}
440
441
442void wpas_notify_p2p_go_neg_req(struct wpa_supplicant *wpa_s,
443				const u8 *src, u16 dev_passwd_id)
444{
445	wpas_dbus_signal_p2p_go_neg_req(wpa_s, src, dev_passwd_id);
446}
447
448
449void wpas_notify_p2p_go_neg_completed(struct wpa_supplicant *wpa_s,
450				      struct p2p_go_neg_results *res)
451{
452	wpas_dbus_signal_p2p_go_neg_resp(wpa_s, res);
453}
454
455
456void wpas_notify_p2p_invitation_result(struct wpa_supplicant *wpa_s,
457				       int status, const u8 *bssid)
458{
459	wpas_dbus_signal_p2p_invitation_result(wpa_s, status, bssid);
460}
461
462
463void wpas_notify_p2p_sd_request(struct wpa_supplicant *wpa_s,
464				int freq, const u8 *sa, u8 dialog_token,
465				u16 update_indic, const u8 *tlvs,
466				size_t tlvs_len)
467{
468	wpas_dbus_signal_p2p_sd_request(wpa_s, freq, sa, dialog_token,
469					update_indic, tlvs, tlvs_len);
470}
471
472
473void wpas_notify_p2p_sd_response(struct wpa_supplicant *wpa_s,
474				 const u8 *sa, u16 update_indic,
475				 const u8 *tlvs, size_t tlvs_len)
476{
477	wpas_dbus_signal_p2p_sd_response(wpa_s, sa, update_indic,
478					 tlvs, tlvs_len);
479}
480
481
482/**
483 * wpas_notify_p2p_provision_discovery - Notification of provision discovery
484 * @dev_addr: Who sent the request or responded to our request.
485 * @request: Will be 1 if request, 0 for response.
486 * @status: Valid only in case of response (0 in case of success)
487 * @config_methods: WPS config methods
488 * @generated_pin: PIN to be displayed in case of WPS_CONFIG_DISPLAY method
489 *
490 * This can be used to notify:
491 * - Requests or responses
492 * - Various config methods
493 * - Failure condition in case of response
494 */
495void wpas_notify_p2p_provision_discovery(struct wpa_supplicant *wpa_s,
496					 const u8 *dev_addr, int request,
497					 enum p2p_prov_disc_status status,
498					 u16 config_methods,
499					 unsigned int generated_pin)
500{
501	wpas_dbus_signal_p2p_provision_discovery(wpa_s, dev_addr, request,
502						 status, config_methods,
503						 generated_pin);
504}
505
506
507void wpas_notify_p2p_group_started(struct wpa_supplicant *wpa_s,
508				   struct wpa_ssid *ssid, int network_id,
509				   int client)
510{
511	/* Notify a group has been started */
512	wpas_dbus_register_p2p_group(wpa_s, ssid);
513
514	wpas_dbus_signal_p2p_group_started(wpa_s, ssid, client, network_id);
515}
516
517
518void wpas_notify_p2p_wps_failed(struct wpa_supplicant *wpa_s,
519				struct wps_event_fail *fail)
520{
521	wpas_dbus_signal_p2p_wps_failed(wpa_s, fail);
522}
523
524#endif /* CONFIG_P2P */
525
526
527static void wpas_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s,
528					  const u8 *sta,
529					  const u8 *p2p_dev_addr)
530{
531#ifdef CONFIG_P2P
532	wpas_p2p_notify_ap_sta_authorized(wpa_s, p2p_dev_addr);
533
534	/*
535	 * Register a group member object corresponding to this peer and
536	 * emit a PeerJoined signal. This will check if it really is a
537	 * P2P group.
538	 */
539	wpas_dbus_register_p2p_groupmember(wpa_s, sta);
540
541	/*
542	 * Create 'peer-joined' signal on group object -- will also
543	 * check P2P itself.
544	 */
545	wpas_dbus_signal_p2p_peer_joined(wpa_s, sta);
546#endif /* CONFIG_P2P */
547}
548
549
550static void wpas_notify_ap_sta_deauthorized(struct wpa_supplicant *wpa_s,
551					    const u8 *sta)
552{
553#ifdef CONFIG_P2P
554	/*
555	 * Unregister a group member object corresponding to this peer
556	 * if this is a P2P group.
557	 */
558	wpas_dbus_unregister_p2p_groupmember(wpa_s, sta);
559
560	/*
561	 * Create 'peer-disconnected' signal on group object if this
562	 * is a P2P group.
563	 */
564	wpas_dbus_signal_p2p_peer_disconnected(wpa_s, sta);
565#endif /* CONFIG_P2P */
566}
567
568
569void wpas_notify_sta_authorized(struct wpa_supplicant *wpa_s,
570				const u8 *mac_addr, int authorized,
571				const u8 *p2p_dev_addr)
572{
573	if (authorized)
574		wpas_notify_ap_sta_authorized(wpa_s, mac_addr, p2p_dev_addr);
575	else
576		wpas_notify_ap_sta_deauthorized(wpa_s, mac_addr);
577}
578
579
580void wpas_notify_certification(struct wpa_supplicant *wpa_s, int depth,
581			       const char *subject, const char *cert_hash,
582			       const struct wpabuf *cert)
583{
584	wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_CERT
585		"depth=%d subject='%s'%s%s",
586		depth, subject,
587		cert_hash ? " hash=" : "",
588		cert_hash ? cert_hash : "");
589
590	if (cert) {
591		char *cert_hex;
592		size_t len = wpabuf_len(cert) * 2 + 1;
593		cert_hex = os_malloc(len);
594		if (cert_hex) {
595			wpa_snprintf_hex(cert_hex, len, wpabuf_head(cert),
596					 wpabuf_len(cert));
597			wpa_msg_ctrl(wpa_s, MSG_INFO,
598				     WPA_EVENT_EAP_PEER_CERT
599				     "depth=%d subject='%s' cert=%s",
600				     depth, subject, cert_hex);
601			os_free(cert_hex);
602		}
603	}
604
605	/* notify the old DBus API */
606	wpa_supplicant_dbus_notify_certification(wpa_s, depth, subject,
607						 cert_hash, cert);
608	/* notify the new DBus API */
609	wpas_dbus_signal_certification(wpa_s, depth, subject, cert_hash, cert);
610}
611