notify.c

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/*
 * wpa_supplicant - Event notifications
 * Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * Alternatively, this software may be distributed under the terms of BSD
 * license.
 *
 * See README and COPYING 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 "driver_i.h"
#include "scan.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);
}


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_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_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)
{
        wpas_dbus_register_network(wpa_s, ssid);
}


void wpas_notify_network_removed(struct wpa_supplicant *wpa_s,
                                 struct wpa_ssid *ssid)
{
        wpas_dbus_unregister_network(wpa_s, ssid->id);
}


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)
{
}


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);
        }
}