notify.c revision 75ecf5267604f166b85a7ee2cf0d9cb682966680
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 "driver_i.h"
26#include "scan.h"
27#include "p2p_supplicant.h"
28#include "sme.h"
29#include "notify.h"
30
31int wpas_notify_supplicant_initialized(struct wpa_global *global)
32{
33#ifdef CONFIG_DBUS
34	if (global->params.dbus_ctrl_interface) {
35		global->dbus = wpas_dbus_init(global);
36		if (global->dbus == NULL)
37			return -1;
38	}
39#endif /* CONFIG_DBUS */
40
41	return 0;
42}
43
44
45void wpas_notify_supplicant_deinitialized(struct wpa_global *global)
46{
47#ifdef CONFIG_DBUS
48	if (global->dbus)
49		wpas_dbus_deinit(global->dbus);
50#endif /* CONFIG_DBUS */
51}
52
53
54int wpas_notify_iface_added(struct wpa_supplicant *wpa_s)
55{
56	if (wpas_dbus_register_iface(wpa_s))
57		return -1;
58
59	if (wpas_dbus_register_interface(wpa_s))
60		return -1;
61
62	return 0;
63}
64
65
66void wpas_notify_iface_removed(struct wpa_supplicant *wpa_s)
67{
68	/* unregister interface in old DBus ctrl iface */
69	wpas_dbus_unregister_iface(wpa_s);
70
71	/* unregister interface in new DBus ctrl iface */
72	wpas_dbus_unregister_interface(wpa_s);
73}
74
75
76void wpas_notify_state_changed(struct wpa_supplicant *wpa_s,
77			       enum wpa_states new_state,
78			       enum wpa_states old_state)
79{
80	/* notify the old DBus API */
81	wpa_supplicant_dbus_notify_state_change(wpa_s, new_state,
82						old_state);
83
84	/* notify the new DBus API */
85	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_STATE);
86
87#ifdef CONFIG_P2P
88	if (new_state == WPA_COMPLETED)
89		wpas_p2p_notif_connected(wpa_s);
90	else if (new_state < WPA_ASSOCIATED)
91		wpas_p2p_notif_disconnected(wpa_s);
92#endif /* CONFIG_P2P */
93
94	sme_state_changed(wpa_s);
95
96#ifdef ANDROID
97	wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
98		     "id=%d state=%d BSSID=" MACSTR,
99		     wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
100		     new_state, MAC2STR(wpa_s->pending_bssid));
101#endif /* ANDROID */
102}
103
104
105void wpas_notify_network_changed(struct wpa_supplicant *wpa_s)
106{
107	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_NETWORK);
108}
109
110
111void wpas_notify_ap_scan_changed(struct wpa_supplicant *wpa_s)
112{
113	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_AP_SCAN);
114}
115
116
117void wpas_notify_bssid_changed(struct wpa_supplicant *wpa_s)
118{
119	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_BSS);
120}
121
122
123void wpas_notify_auth_changed(struct wpa_supplicant *wpa_s)
124{
125	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_AUTH_MODE);
126}
127
128
129void wpas_notify_network_enabled_changed(struct wpa_supplicant *wpa_s,
130					 struct wpa_ssid *ssid)
131{
132	wpas_dbus_signal_network_enabled_changed(wpa_s, ssid);
133}
134
135
136void wpas_notify_network_selected(struct wpa_supplicant *wpa_s,
137				  struct wpa_ssid *ssid)
138{
139	wpas_dbus_signal_network_selected(wpa_s, ssid->id);
140}
141
142
143void wpas_notify_scanning(struct wpa_supplicant *wpa_s)
144{
145	/* notify the old DBus API */
146	wpa_supplicant_dbus_notify_scanning(wpa_s);
147
148	/* notify the new DBus API */
149	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_SCANNING);
150}
151
152
153void wpas_notify_scan_done(struct wpa_supplicant *wpa_s, int success)
154{
155	wpas_dbus_signal_scan_done(wpa_s, success);
156}
157
158
159void wpas_notify_scan_results(struct wpa_supplicant *wpa_s)
160{
161	/* notify the old DBus API */
162	wpa_supplicant_dbus_notify_scan_results(wpa_s);
163
164	wpas_wps_notify_scan_results(wpa_s);
165}
166
167
168void wpas_notify_wps_credential(struct wpa_supplicant *wpa_s,
169				const struct wps_credential *cred)
170{
171#ifdef CONFIG_WPS
172	/* notify the old DBus API */
173	wpa_supplicant_dbus_notify_wps_cred(wpa_s, cred);
174	/* notify the new DBus API */
175	wpas_dbus_signal_wps_cred(wpa_s, cred);
176#endif /* CONFIG_WPS */
177}
178
179
180void wpas_notify_wps_event_m2d(struct wpa_supplicant *wpa_s,
181			       struct wps_event_m2d *m2d)
182{
183#ifdef CONFIG_WPS
184	wpas_dbus_signal_wps_event_m2d(wpa_s, m2d);
185#endif /* CONFIG_WPS */
186}
187
188
189void wpas_notify_wps_event_fail(struct wpa_supplicant *wpa_s,
190				struct wps_event_fail *fail)
191{
192#ifdef CONFIG_WPS
193	wpas_dbus_signal_wps_event_fail(wpa_s, fail);
194#endif /* CONFIG_WPS */
195}
196
197
198void wpas_notify_wps_event_success(struct wpa_supplicant *wpa_s)
199{
200#ifdef CONFIG_WPS
201	wpas_dbus_signal_wps_event_success(wpa_s);
202#endif /* CONFIG_WPS */
203}
204
205
206void wpas_notify_network_added(struct wpa_supplicant *wpa_s,
207			       struct wpa_ssid *ssid)
208{
209	/*
210	 * Networks objects created during any P2P activities should not be
211	 * exposed out. They might/will confuse certain non-P2P aware
212	 * applications since these network objects won't behave like
213	 * regular ones.
214	 */
215	if (wpa_s->global->p2p_group_formation != wpa_s)
216		wpas_dbus_register_network(wpa_s, ssid);
217}
218
219
220void wpas_notify_persistent_group_added(struct wpa_supplicant *wpa_s,
221					struct wpa_ssid *ssid)
222{
223	wpas_dbus_register_persistent_group(wpa_s, ssid);
224}
225
226
227void wpas_notify_persistent_group_removed(struct wpa_supplicant *wpa_s,
228					  struct wpa_ssid *ssid)
229{
230	wpas_dbus_unregister_persistent_group(wpa_s, ssid->id);
231}
232
233
234void wpas_notify_network_removed(struct wpa_supplicant *wpa_s,
235				 struct wpa_ssid *ssid)
236{
237	if (wpa_s->global->p2p_group_formation != wpa_s)
238		wpas_dbus_unregister_network(wpa_s, ssid->id);
239}
240
241
242void wpas_notify_bss_added(struct wpa_supplicant *wpa_s,
243			   u8 bssid[], unsigned int id)
244{
245	wpas_dbus_register_bss(wpa_s, bssid, id);
246	wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_ADDED "%u " MACSTR,
247		     id, MAC2STR(bssid));
248}
249
250
251void wpas_notify_bss_removed(struct wpa_supplicant *wpa_s,
252			     u8 bssid[], unsigned int id)
253{
254	wpas_dbus_unregister_bss(wpa_s, bssid, id);
255	wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_REMOVED "%u " MACSTR,
256		     id, MAC2STR(bssid));
257}
258
259
260void wpas_notify_bss_freq_changed(struct wpa_supplicant *wpa_s,
261				  unsigned int id)
262{
263	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_FREQ, id);
264}
265
266
267void wpas_notify_bss_signal_changed(struct wpa_supplicant *wpa_s,
268				    unsigned int id)
269{
270	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_SIGNAL,
271					  id);
272}
273
274
275void wpas_notify_bss_privacy_changed(struct wpa_supplicant *wpa_s,
276				     unsigned int id)
277{
278	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_PRIVACY,
279					  id);
280}
281
282
283void wpas_notify_bss_mode_changed(struct wpa_supplicant *wpa_s,
284				  unsigned int id)
285{
286	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_MODE, id);
287}
288
289
290void wpas_notify_bss_wpaie_changed(struct wpa_supplicant *wpa_s,
291				   unsigned int id)
292{
293	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_WPA, id);
294}
295
296
297void wpas_notify_bss_rsnie_changed(struct wpa_supplicant *wpa_s,
298				   unsigned int id)
299{
300	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RSN, id);
301}
302
303
304void wpas_notify_bss_wps_changed(struct wpa_supplicant *wpa_s,
305				 unsigned int id)
306{
307}
308
309
310void wpas_notify_bss_ies_changed(struct wpa_supplicant *wpa_s,
311				   unsigned int id)
312{
313	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_IES, id);
314}
315
316
317void wpas_notify_bss_rates_changed(struct wpa_supplicant *wpa_s,
318				   unsigned int id)
319{
320	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RATES, id);
321}
322
323
324void wpas_notify_blob_added(struct wpa_supplicant *wpa_s, const char *name)
325{
326	wpas_dbus_signal_blob_added(wpa_s, name);
327}
328
329
330void wpas_notify_blob_removed(struct wpa_supplicant *wpa_s, const char *name)
331{
332	wpas_dbus_signal_blob_removed(wpa_s, name);
333}
334
335
336void wpas_notify_debug_level_changed(struct wpa_global *global)
337{
338	wpas_dbus_signal_debug_level_changed(global);
339}
340
341
342void wpas_notify_debug_timestamp_changed(struct wpa_global *global)
343{
344	wpas_dbus_signal_debug_timestamp_changed(global);
345}
346
347
348void wpas_notify_debug_show_keys_changed(struct wpa_global *global)
349{
350	wpas_dbus_signal_debug_show_keys_changed(global);
351}
352
353
354void wpas_notify_suspend(struct wpa_global *global)
355{
356	struct wpa_supplicant *wpa_s;
357
358	os_get_time(&global->suspend_time);
359	wpa_printf(MSG_DEBUG, "System suspend notification");
360	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
361		wpa_drv_suspend(wpa_s);
362}
363
364
365void wpas_notify_resume(struct wpa_global *global)
366{
367	struct os_time now;
368	int slept;
369	struct wpa_supplicant *wpa_s;
370
371	if (global->suspend_time.sec == 0)
372		slept = -1;
373	else {
374		os_get_time(&now);
375		slept = now.sec - global->suspend_time.sec;
376	}
377	wpa_printf(MSG_DEBUG, "System resume notification (slept %d seconds)",
378		   slept);
379
380	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
381		wpa_drv_resume(wpa_s);
382		if (wpa_s->wpa_state == WPA_DISCONNECTED)
383			wpa_supplicant_req_scan(wpa_s, 0, 100000);
384	}
385}
386
387
388#ifdef CONFIG_P2P
389
390void wpas_notify_p2p_device_found(struct wpa_supplicant *wpa_s,
391				  const u8 *dev_addr, int new_device)
392{
393	if (new_device) {
394		/* Create the new peer object */
395		wpas_dbus_register_peer(wpa_s, dev_addr);
396	}
397
398	/* Notify a new peer has been detected*/
399	wpas_dbus_signal_peer_device_found(wpa_s, dev_addr);
400}
401
402
403void wpas_notify_p2p_device_lost(struct wpa_supplicant *wpa_s,
404				 const u8 *dev_addr)
405{
406	wpas_dbus_unregister_peer(wpa_s, dev_addr);
407
408	/* Create signal on interface object*/
409	wpas_dbus_signal_peer_device_lost(wpa_s, dev_addr);
410}
411
412
413void wpas_notify_p2p_group_removed(struct wpa_supplicant *wpa_s,
414				   const struct wpa_ssid *ssid,
415				   const char *role)
416{
417	wpas_dbus_unregister_p2p_group(wpa_s, ssid);
418
419	wpas_dbus_signal_p2p_group_removed(wpa_s, role);
420}
421
422
423void wpas_notify_p2p_go_neg_req(struct wpa_supplicant *wpa_s,
424				const u8 *src, u16 dev_passwd_id)
425{
426	wpas_dbus_signal_p2p_go_neg_req(wpa_s, src, dev_passwd_id);
427}
428
429
430void wpas_notify_p2p_go_neg_completed(struct wpa_supplicant *wpa_s, int status)
431{
432	wpas_dbus_signal_p2p_go_neg_resp(wpa_s, status);
433}
434
435
436void wpas_notify_p2p_invitation_result(struct wpa_supplicant *wpa_s,
437				       int status, const u8 *bssid)
438{
439	wpas_dbus_signal_p2p_invitation_result(wpa_s, status, bssid);
440}
441
442
443void wpas_notify_p2p_sd_request(struct wpa_supplicant *wpa_s,
444				int freq, const u8 *sa, u8 dialog_token,
445				u16 update_indic, const u8 *tlvs,
446				size_t tlvs_len)
447{
448	wpas_dbus_signal_p2p_sd_request(wpa_s, freq, sa, dialog_token,
449					update_indic, tlvs, tlvs_len);
450}
451
452
453void wpas_notify_p2p_sd_response(struct wpa_supplicant *wpa_s,
454				 const u8 *sa, u16 update_indic,
455				 const u8 *tlvs, size_t tlvs_len)
456{
457	wpas_dbus_signal_p2p_sd_response(wpa_s, sa, update_indic,
458					 tlvs, tlvs_len);
459}
460
461
462/**
463 * wpas_notify_p2p_provision_discovery - Notification of provision discovery
464 * @dev_addr: Who sent the request or responded to our request.
465 * @request: Will be 1 if request, 0 for response.
466 * @status: Valid only in case of response (0 in case of success)
467 * @config_methods: WPS config methods
468 * @generated_pin: PIN to be displayed in case of WPS_CONFIG_DISPLAY method
469 *
470 * This can be used to notify:
471 * - Requests or responses
472 * - Various config methods
473 * - Failure condition in case of response
474 */
475void wpas_notify_p2p_provision_discovery(struct wpa_supplicant *wpa_s,
476					 const u8 *dev_addr, int request,
477					 enum p2p_prov_disc_status status,
478					 u16 config_methods,
479					 unsigned int generated_pin)
480{
481	wpas_dbus_signal_p2p_provision_discovery(wpa_s, dev_addr, request,
482						 status, config_methods,
483						 generated_pin);
484}
485
486
487void wpas_notify_p2p_group_started(struct wpa_supplicant *wpa_s,
488				   struct wpa_ssid *ssid, int network_id,
489				   int client)
490{
491	/* Notify a group has been started */
492	wpas_dbus_register_p2p_group(wpa_s, ssid);
493
494	wpas_dbus_signal_p2p_group_started(wpa_s, ssid, client, network_id);
495}
496
497
498void wpas_notify_p2p_wps_failed(struct wpa_supplicant *wpa_s,
499				struct wps_event_fail *fail)
500{
501	wpas_dbus_signal_p2p_wps_failed(wpa_s, fail);
502}
503
504#endif /* CONFIG_P2P */
505
506
507static void wpas_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s,
508					  const u8 *sta)
509{
510#ifdef CONFIG_P2P
511	/*
512	 * Register a group member object corresponding to this peer and
513	 * emit a PeerJoined signal. This will check if it really is a
514	 * P2P group.
515	 */
516	wpas_dbus_register_p2p_groupmember(wpa_s, sta);
517
518	/*
519	 * Create 'peer-joined' signal on group object -- will also
520	 * check P2P itself.
521	 */
522	wpas_dbus_signal_p2p_peer_joined(wpa_s, sta);
523#endif /* CONFIG_P2P */
524}
525
526
527static void wpas_notify_ap_sta_deauthorized(struct wpa_supplicant *wpa_s,
528					    const u8 *sta)
529{
530#ifdef CONFIG_P2P
531	/*
532	 * Unregister a group member object corresponding to this peer
533	 * if this is a P2P group.
534	 */
535	wpas_dbus_unregister_p2p_groupmember(wpa_s, sta);
536
537	/*
538	 * Create 'peer-disconnected' signal on group object if this
539	 * is a P2P group.
540	 */
541	wpas_dbus_signal_p2p_peer_disconnected(wpa_s, sta);
542#endif /* CONFIG_P2P */
543}
544
545
546void wpas_notify_sta_authorized(struct wpa_supplicant *wpa_s,
547				const u8 *mac_addr, int authorized)
548{
549	if (authorized)
550		wpas_notify_ap_sta_authorized(wpa_s, mac_addr);
551	else
552		wpas_notify_ap_sta_deauthorized(wpa_s, mac_addr);
553}
554