text: /*
   * wpa_supplicant - Event notifications
   * Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
   *
   * This software may be distributed under the terms of the BSD license.
   * See README for more details.
   */
  
  #include "utils/includes.h"
  
  #include "utils/common.h"
  #include "common/wpa_ctrl.h"
  #include "config.h"
  #include "wpa_supplicant_i.h"
  #include "wps_supplicant.h"
  #include "dbus/dbus_common.h"
  #include "dbus/dbus_old.h"
  #include "dbus/dbus_new.h"
  #include "rsn_supp/wpa.h"
  #include "driver_i.h"
  #include "scan.h"
  #include "p2p_supplicant.h"
  #include "sme.h"
  #include "notify.h"
  
  int wpas_notify_supplicant_initialized(struct wpa_global *global)
  {
  #ifdef CONFIG_DBUS
  	if (global->params.dbus_ctrl_interface) {
  		global->dbus = wpas_dbus_init(global);
  		if (global->dbus == NULL)
  			return -1;
  	}
  #endif /* CONFIG_DBUS */
  
  	return 0;
  }
  
  
  void wpas_notify_supplicant_deinitialized(struct wpa_global *global)
  {
  #ifdef CONFIG_DBUS
  	if (global->dbus)
  		wpas_dbus_deinit(global->dbus);
  #endif /* CONFIG_DBUS */
  }
  
  
  int wpas_notify_iface_added(struct wpa_supplicant *wpa_s)
  {
  	if (wpas_dbus_register_iface(wpa_s))
  		return -1;
  
  	if (wpas_dbus_register_interface(wpa_s))
  		return -1;
  
  	return 0;
  }
  
  
  void wpas_notify_iface_removed(struct wpa_supplicant *wpa_s)
  {
  	/* unregister interface in old DBus ctrl iface */
  	wpas_dbus_unregister_iface(wpa_s);
  
  	/* unregister interface in new DBus ctrl iface */
  	wpas_dbus_unregister_interface(wpa_s);
  }
  
  
  void wpas_notify_state_changed(struct wpa_supplicant *wpa_s,
  			       enum wpa_states new_state,
  			       enum wpa_states old_state)
  {
  	/* notify the old DBus API */
  	wpa_supplicant_dbus_notify_state_change(wpa_s, new_state,
  						old_state);
  
  	/* notify the new DBus API */
  	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_STATE);
  
  #ifdef CONFIG_P2P
  	if (new_state == WPA_COMPLETED)
  		wpas_p2p_notif_connected(wpa_s);
  	else if (old_state >= WPA_ASSOCIATED && new_state < WPA_ASSOCIATED)
  		wpas_p2p_notif_disconnected(wpa_s);
  #endif /* CONFIG_P2P */
  
  	sme_state_changed(wpa_s);
  
  #ifdef ANDROID
  	wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
  		     "id=%d state=%d BSSID=" MACSTR " SSID=%s",
  		     wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
  		     new_state,
  		     MAC2STR(wpa_s->bssid),
  		     wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
  		     wpa_ssid_txt(wpa_s->current_ssid->ssid,
  		     wpa_s->current_ssid->ssid_len): "");
  #endif /* ANDROID */
  }
  
  
  void wpas_notify_disconnect_reason(struct wpa_supplicant *wpa_s)
  {
  	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_DISCONNECT_REASON);
  }
  
  
  void wpas_notify_network_changed(struct wpa_supplicant *wpa_s)
  {
  	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_NETWORK);
  }
  
  
  void wpas_notify_ap_scan_changed(struct wpa_supplicant *wpa_s)
  {
  	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_AP_SCAN);
  }
  
  
  void wpas_notify_bssid_changed(struct wpa_supplicant *wpa_s)
  {
  	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_BSS);
  }
  
  
  void wpas_notify_auth_changed(struct wpa_supplicant *wpa_s)
  {
  	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_AUTH_MODE);
  }
  
  
  void wpas_notify_network_enabled_changed(struct wpa_supplicant *wpa_s,
  					 struct wpa_ssid *ssid)
  {
  	wpas_dbus_signal_network_enabled_changed(wpa_s, ssid);
  }
  
  
  void wpas_notify_network_selected(struct wpa_supplicant *wpa_s,
  				  struct wpa_ssid *ssid)
  {
  	wpas_dbus_signal_network_selected(wpa_s, ssid->id);
  }
  
  
  void wpas_notify_network_request(struct wpa_supplicant *wpa_s,
  				 struct wpa_ssid *ssid,
  				 enum wpa_ctrl_req_type rtype,
  				 const char *default_txt)
  {
  	wpas_dbus_signal_network_request(wpa_s, ssid, rtype, default_txt);
  }
  
  
  void wpas_notify_scanning(struct wpa_supplicant *wpa_s)
  {
  	/* notify the old DBus API */
  	wpa_supplicant_dbus_notify_scanning(wpa_s);
  
  	/* notify the new DBus API */
  	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_SCANNING);
  }
  
  
  void wpas_notify_scan_done(struct wpa_supplicant *wpa_s, int success)
  {
  	wpas_dbus_signal_scan_done(wpa_s, success);
  }
  
  
  void wpas_notify_scan_results(struct wpa_supplicant *wpa_s)
  {
  	/* notify the old DBus API */
  	wpa_supplicant_dbus_notify_scan_results(wpa_s);
  
  	wpas_wps_notify_scan_results(wpa_s);
  }
  
  
  void wpas_notify_wps_credential(struct wpa_supplicant *wpa_s,
  				const struct wps_credential *cred)
  {
  #ifdef CONFIG_WPS
  	/* notify the old DBus API */
  	wpa_supplicant_dbus_notify_wps_cred(wpa_s, cred);
  	/* notify the new DBus API */
  	wpas_dbus_signal_wps_cred(wpa_s, cred);
  #endif /* CONFIG_WPS */
  }
  
  
  void wpas_notify_wps_event_m2d(struct wpa_supplicant *wpa_s,
  			       struct wps_event_m2d *m2d)
  {
  #ifdef CONFIG_WPS
  	wpas_dbus_signal_wps_event_m2d(wpa_s, m2d);
  #endif /* CONFIG_WPS */
  }
  
  
  void wpas_notify_wps_event_fail(struct wpa_supplicant *wpa_s,
  				struct wps_event_fail *fail)
  {
  #ifdef CONFIG_WPS
  	wpas_dbus_signal_wps_event_fail(wpa_s, fail);
  #endif /* CONFIG_WPS */
  }
  
  
  void wpas_notify_wps_event_success(struct wpa_supplicant *wpa_s)
  {
  #ifdef CONFIG_WPS
  	wpas_dbus_signal_wps_event_success(wpa_s);
  #endif /* CONFIG_WPS */
  }
  
  
  void wpas_notify_network_added(struct wpa_supplicant *wpa_s,
  			       struct wpa_ssid *ssid)
  {
  	/*
  	 * Networks objects created during any P2P activities should not be
  	 * exposed out. They might/will confuse certain non-P2P aware
  	 * applications since these network objects won't behave like
  	 * regular ones.
  	 */
  	if (wpa_s->global->p2p_group_formation != wpa_s)
  		wpas_dbus_register_network(wpa_s, ssid);
  }
  
  
  void wpas_notify_persistent_group_added(struct wpa_supplicant *wpa_s,
  					struct wpa_ssid *ssid)
  {
  #ifdef CONFIG_P2P
  	wpas_dbus_register_persistent_group(wpa_s, ssid);
  #endif /* CONFIG_P2P */
  }
  
  
  void wpas_notify_persistent_group_removed(struct wpa_supplicant *wpa_s,
  					  struct wpa_ssid *ssid)
  {
  #ifdef CONFIG_P2P
  	wpas_dbus_unregister_persistent_group(wpa_s, ssid->id);
  #endif /* CONFIG_P2P */
  }
  
  
  void wpas_notify_network_removed(struct wpa_supplicant *wpa_s,
  				 struct wpa_ssid *ssid)
  {
  	if (wpa_s->wpa)
  		wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
  	if (wpa_s->global->p2p_group_formation != wpa_s)
  		wpas_dbus_unregister_network(wpa_s, ssid->id);
  #ifdef CONFIG_P2P
  	wpas_p2p_network_removed(wpa_s, ssid);
  #endif /* CONFIG_P2P */
  }
  
  
  void wpas_notify_bss_added(struct wpa_supplicant *wpa_s,
  			   u8 bssid[], unsigned int id)
  {
  	wpas_dbus_register_bss(wpa_s, bssid, id);
  	wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_ADDED "%u " MACSTR,
  		     id, MAC2STR(bssid));
  }
  
  
  void wpas_notify_bss_removed(struct wpa_supplicant *wpa_s,
  			     u8 bssid[], unsigned int id)
  {
  	wpas_dbus_unregister_bss(wpa_s, bssid, id);
  	wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_REMOVED "%u " MACSTR,
  		     id, MAC2STR(bssid));
  }
  
  
  void wpas_notify_bss_freq_changed(struct wpa_supplicant *wpa_s,
  				  unsigned int id)
  {
  	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_FREQ, id);
  }
  
  
  void wpas_notify_bss_signal_changed(struct wpa_supplicant *wpa_s,
  				    unsigned int id)
  {
  	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_SIGNAL,
  					  id);
  }
  
  
  void wpas_notify_bss_privacy_changed(struct wpa_supplicant *wpa_s,
  				     unsigned int id)
  {
  	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_PRIVACY,
  					  id);
  }
  
  
  void wpas_notify_bss_mode_changed(struct wpa_supplicant *wpa_s,
  				  unsigned int id)
  {
  	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_MODE, id);
  }
  
  
  void wpas_notify_bss_wpaie_changed(struct wpa_supplicant *wpa_s,
  				   unsigned int id)
  {
  	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_WPA, id);
  }
  
  
  void wpas_notify_bss_rsnie_changed(struct wpa_supplicant *wpa_s,
  				   unsigned int id)
  {
  	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RSN, id);
  }
  
  
  void wpas_notify_bss_wps_changed(struct wpa_supplicant *wpa_s,
  				 unsigned int id)
  {
  #ifdef CONFIG_WPS
  	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_WPS, id);
  #endif /* CONFIG_WPS */
  }
  
  
  void wpas_notify_bss_ies_changed(struct wpa_supplicant *wpa_s,
  				   unsigned int id)
  {
  	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_IES, id);
  }
  
  
  void wpas_notify_bss_rates_changed(struct wpa_supplicant *wpa_s,
  				   unsigned int id)
  {
  	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RATES, id);
  }
  
  
  void wpas_notify_blob_added(struct wpa_supplicant *wpa_s, const char *name)
  {
  	wpas_dbus_signal_blob_added(wpa_s, name);
  }
  
  
  void wpas_notify_blob_removed(struct wpa_supplicant *wpa_s, const char *name)
  {
  	wpas_dbus_signal_blob_removed(wpa_s, name);
  }
  
  
  void wpas_notify_debug_level_changed(struct wpa_global *global)
  {
  	wpas_dbus_signal_debug_level_changed(global);
  }
  
  
  void wpas_notify_debug_timestamp_changed(struct wpa_global *global)
  {
  	wpas_dbus_signal_debug_timestamp_changed(global);
  }
  
  
  void wpas_notify_debug_show_keys_changed(struct wpa_global *global)
  {
  	wpas_dbus_signal_debug_show_keys_changed(global);
  }
  
  
  void wpas_notify_suspend(struct wpa_global *global)
  {
  	struct wpa_supplicant *wpa_s;
  
  	os_get_time(&global->suspend_time);
  	wpa_printf(MSG_DEBUG, "System suspend notification");
  	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
  		wpa_drv_suspend(wpa_s);
  }
  
  
  void wpas_notify_resume(struct wpa_global *global)
  {
  	struct os_time now;
  	int slept;
  	struct wpa_supplicant *wpa_s;
  
  	if (global->suspend_time.sec == 0)
  		slept = -1;
  	else {
  		os_get_time(&now);
  		slept = now.sec - global->suspend_time.sec;
  	}
  	wpa_printf(MSG_DEBUG, "System resume notification (slept %d seconds)",
  		   slept);
  
  	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
  		wpa_drv_resume(wpa_s);
  		if (wpa_s->wpa_state == WPA_DISCONNECTED)
  			wpa_supplicant_req_scan(wpa_s, 0, 100000);
  	}
  }
  
  
  #ifdef CONFIG_P2P
  
  void wpas_notify_p2p_device_found(struct wpa_supplicant *wpa_s,
  				  const u8 *dev_addr, int new_device)
  {
  	if (new_device) {
  		/* Create the new peer object */
  		wpas_dbus_register_peer(wpa_s, dev_addr);
  	}
  
  	/* Notify a new peer has been detected*/
  	wpas_dbus_signal_peer_device_found(wpa_s, dev_addr);
  }
  
  
  void wpas_notify_p2p_device_lost(struct wpa_supplicant *wpa_s,
  				 const u8 *dev_addr)
  {
  	wpas_dbus_unregister_peer(wpa_s, dev_addr);
  
  	/* Create signal on interface object*/
  	wpas_dbus_signal_peer_device_lost(wpa_s, dev_addr);
  }
  
  
  void wpas_notify_p2p_group_removed(struct wpa_supplicant *wpa_s,
  				   const struct wpa_ssid *ssid,
  				   const char *role)
  {
  	wpas_dbus_unregister_p2p_group(wpa_s, ssid);
  
  	wpas_dbus_signal_p2p_group_removed(wpa_s, role);
  }
  
  
  void wpas_notify_p2p_go_neg_req(struct wpa_supplicant *wpa_s,
  				const u8 *src, u16 dev_passwd_id)
  {
  	wpas_dbus_signal_p2p_go_neg_req(wpa_s, src, dev_passwd_id);
  }
  
  
  void wpas_notify_p2p_go_neg_completed(struct wpa_supplicant *wpa_s,
  				      struct p2p_go_neg_results *res)
  {
  	wpas_dbus_signal_p2p_go_neg_resp(wpa_s, res);
  }
  
  
  void wpas_notify_p2p_invitation_result(struct wpa_supplicant *wpa_s,
  				       int status, const u8 *bssid)
  {
  	wpas_dbus_signal_p2p_invitation_result(wpa_s, status, bssid);
  }
  
  
  void wpas_notify_p2p_sd_request(struct wpa_supplicant *wpa_s,
  				int freq, const u8 *sa, u8 dialog_token,
  				u16 update_indic, const u8 *tlvs,
  				size_t tlvs_len)
  {
  	wpas_dbus_signal_p2p_sd_request(wpa_s, freq, sa, dialog_token,
  					update_indic, tlvs, tlvs_len);
  }
  
  
  void wpas_notify_p2p_sd_response(struct wpa_supplicant *wpa_s,
  				 const u8 *sa, u16 update_indic,
  				 const u8 *tlvs, size_t tlvs_len)
  {
  	wpas_dbus_signal_p2p_sd_response(wpa_s, sa, update_indic,
  					 tlvs, tlvs_len);
  }
  
  
  /**
   * wpas_notify_p2p_provision_discovery - Notification of provision discovery
   * @dev_addr: Who sent the request or responded to our request.
   * @request: Will be 1 if request, 0 for response.
   * @status: Valid only in case of response (0 in case of success)
   * @config_methods: WPS config methods
   * @generated_pin: PIN to be displayed in case of WPS_CONFIG_DISPLAY method
   *
   * This can be used to notify:
   * - Requests or responses
   * - Various config methods
   * - Failure condition in case of response
   */
  void wpas_notify_p2p_provision_discovery(struct wpa_supplicant *wpa_s,
  					 const u8 *dev_addr, int request,
  					 enum p2p_prov_disc_status status,
  					 u16 config_methods,
  					 unsigned int generated_pin)
  {
  	wpas_dbus_signal_p2p_provision_discovery(wpa_s, dev_addr, request,
  						 status, config_methods,
  						 generated_pin);
  }
  
  
  void wpas_notify_p2p_group_started(struct wpa_supplicant *wpa_s,
  				   struct wpa_ssid *ssid, int network_id,
  				   int client)
  {
  	/* Notify a group has been started */
  	wpas_dbus_register_p2p_group(wpa_s, ssid);
  
  	wpas_dbus_signal_p2p_group_started(wpa_s, ssid, client, network_id);
  }
  
  
  void wpas_notify_p2p_wps_failed(struct wpa_supplicant *wpa_s,
  				struct wps_event_fail *fail)
  {
  	wpas_dbus_signal_p2p_wps_failed(wpa_s, fail);
  }
  
  #endif /* CONFIG_P2P */
  
  
  static void wpas_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s,
  					  const u8 *sta,
  					  const u8 *p2p_dev_addr)
  {
  #ifdef CONFIG_P2P
  	wpas_p2p_notify_ap_sta_authorized(wpa_s, p2p_dev_addr);
  
  	/*
  	 * Register a group member object corresponding to this peer and
  	 * emit a PeerJoined signal. This will check if it really is a
  	 * P2P group.
  	 */
  	wpas_dbus_register_p2p_groupmember(wpa_s, sta);
  
  	/*
  	 * Create 'peer-joined' signal on group object -- will also
  	 * check P2P itself.
  	 */
  	wpas_dbus_signal_p2p_peer_joined(wpa_s, sta);
  #endif /* CONFIG_P2P */
  }
  
  
  static void wpas_notify_ap_sta_deauthorized(struct wpa_supplicant *wpa_s,
  					    const u8 *sta)
  {
  #ifdef CONFIG_P2P
  	/*
  	 * Unregister a group member object corresponding to this peer
  	 * if this is a P2P group.
  	 */
  	wpas_dbus_unregister_p2p_groupmember(wpa_s, sta);
  
  	/*
  	 * Create 'peer-disconnected' signal on group object if this
  	 * is a P2P group.
  	 */
  	wpas_dbus_signal_p2p_peer_disconnected(wpa_s, sta);
  #endif /* CONFIG_P2P */
  }
  
  
  void wpas_notify_sta_authorized(struct wpa_supplicant *wpa_s,
  				const u8 *mac_addr, int authorized,
  				const u8 *p2p_dev_addr)
  {
  	if (authorized)
  		wpas_notify_ap_sta_authorized(wpa_s, mac_addr, p2p_dev_addr);
  	else
  		wpas_notify_ap_sta_deauthorized(wpa_s, mac_addr);
  }
  
  
  void wpas_notify_certification(struct wpa_supplicant *wpa_s, int depth,
  			       const char *subject, const char *cert_hash,
  			       const struct wpabuf *cert)
  {
  	wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_CERT
  		"depth=%d subject='%s'%s%s",
  		depth, subject,
  		cert_hash ? " hash=" : "",
  		cert_hash ? cert_hash : "");
  
  	if (cert) {
  		char *cert_hex;
  		size_t len = wpabuf_len(cert) * 2 + 1;
  		cert_hex = os_malloc(len);
  		if (cert_hex) {
  			wpa_snprintf_hex(cert_hex, len, wpabuf_head(cert),
  					 wpabuf_len(cert));
  			wpa_msg_ctrl(wpa_s, MSG_INFO,
  				     WPA_EVENT_EAP_PEER_CERT
  				     "depth=%d subject='%s' cert=%s",
  				     depth, subject, cert_hex);
  			os_free(cert_hex);
  		}
  	}
  
  	/* notify the old DBus API */
  	wpa_supplicant_dbus_notify_certification(wpa_s, depth, subject,
  						 cert_hash, cert);
  	/* notify the new DBus API */
  	wpas_dbus_signal_certification(wpa_s, depth, subject, cert_hash, cert);
  }
  
  
  void wpas_notify_preq(struct wpa_supplicant *wpa_s,
  		      const u8 *addr, const u8 *dst, const u8 *bssid,
  		      const u8 *ie, size_t ie_len, u32 ssi_signal)
  {
  #ifdef CONFIG_AP
  	wpas_dbus_signal_preq(wpa_s, addr, dst, bssid, ie, ie_len, ssi_signal);
  #endif /* CONFIG_AP */
  }
  
  
  void wpas_notify_eap_status(struct wpa_supplicant *wpa_s, const char *status,
  			    const char *parameter)
  {
  	wpas_dbus_signal_eap_status(wpa_s, status, parameter);
  }
  