path: root/libnm/nm-device-wifi.c

/* SPDX-License-Identifier: LGPL-2.1+ */
/*
 * Copyright (C) 2007 - 2008 Novell, Inc.
 * Copyright (C) 2007 - 2014 Red Hat, Inc.
 */

#include "nm-default.h"

#include "nm-device-wifi.h"

#include "nm-glib-aux/nm-dbus-aux.h"
#include "nm-setting-connection.h"
#include "nm-setting-wireless.h"
#include "nm-setting-wireless-security.h"
#include "nm-utils.h"
#include "nm-access-point.h"
#include "nm-object-private.h"
#include "nm-core-internal.h"
#include "nm-dbus-helpers.h"

/*****************************************************************************/

NM_GOBJECT_PROPERTIES_DEFINE_BASE(PROP_PERM_HW_ADDRESS,
                                  PROP_MODE,
                                  PROP_BITRATE,
                                  PROP_ACCESS_POINTS,
                                  PROP_ACTIVE_ACCESS_POINT,
                                  PROP_WIRELESS_CAPABILITIES,
                                  PROP_LAST_SCAN, );

typedef struct {
    NMLDBusPropertyAO access_points;
    NMLDBusPropertyO  active_access_point;
    char *            perm_hw_address;
    gint64            last_scan;
    guint32           mode;
    guint32           bitrate;
    guint32           wireless_capabilities;
} NMDeviceWifiPrivate;

enum {
    ACCESS_POINT_ADDED,
    ACCESS_POINT_REMOVED,

    LAST_SIGNAL
};

static guint signals[LAST_SIGNAL] = {0};

struct _NMDeviceWifi {
    NMDevice            parent;
    NMDeviceWifiPrivate _priv;
};

struct _NMDeviceWifiClass {
    NMDeviceClass parent;
};

G_DEFINE_TYPE(NMDeviceWifi, nm_device_wifi, NM_TYPE_DEVICE)

#define NM_DEVICE_WIFI_GET_PRIVATE(self) \
    _NM_GET_PRIVATE(self, NMDeviceWifi, NM_IS_DEVICE_WIFI, NMObject, NMDevice)

/*****************************************************************************/

/**
 * nm_device_wifi_get_hw_address: (skip)
 * @device: a #NMDeviceWifi
 *
 * Gets the actual hardware (MAC) address of the #NMDeviceWifi
 *
 * Returns: the actual hardware address. This is the internal string used by the
 * device, and must not be modified.
 *
 * Deprecated: 1.24: Use nm_device_get_hw_address() instead.
 **/
const char *
nm_device_wifi_get_hw_address(NMDeviceWifi *device)
{
    g_return_val_if_fail(NM_IS_DEVICE_WIFI(device), NULL);

    return nm_device_get_hw_address(NM_DEVICE(device));
}

/**
 * nm_device_wifi_get_permanent_hw_address:
 * @device: a #NMDeviceWifi
 *
 * Gets the permanent hardware (MAC) address of the #NMDeviceWifi
 *
 * Returns: the permanent hardware address. This is the internal string used by the
 * device, and must not be modified.
 **/
const char *
nm_device_wifi_get_permanent_hw_address(NMDeviceWifi *device)
{
    g_return_val_if_fail(NM_IS_DEVICE_WIFI(device), NULL);

    return _nml_coerce_property_str_not_empty(NM_DEVICE_WIFI_GET_PRIVATE(device)->perm_hw_address);
}

/**
 * nm_device_wifi_get_mode:
 * @device: a #NMDeviceWifi
 *
 * Gets the #NMDeviceWifi mode.
 *
 * Returns: the mode
 **/
NM80211Mode
nm_device_wifi_get_mode(NMDeviceWifi *device)
{
    g_return_val_if_fail(NM_IS_DEVICE_WIFI(device), 0);

    return NM_DEVICE_WIFI_GET_PRIVATE(device)->mode;
}

/**
 * nm_device_wifi_get_bitrate:
 * @device: a #NMDeviceWifi
 *
 * Gets the bit rate of the #NMDeviceWifi in kbit/s.
 *
 * Returns: the bit rate (kbit/s)
 **/
guint32
nm_device_wifi_get_bitrate(NMDeviceWifi *device)
{
    NMDeviceState state;

    g_return_val_if_fail(NM_IS_DEVICE_WIFI(device), 0);

    state = nm_device_get_state(NM_DEVICE(device));
    switch (state) {
    case NM_DEVICE_STATE_IP_CONFIG:
    case NM_DEVICE_STATE_IP_CHECK:
    case NM_DEVICE_STATE_SECONDARIES:
    case NM_DEVICE_STATE_ACTIVATED:
    case NM_DEVICE_STATE_DEACTIVATING:
        break;
    default:
        return 0;
    }

    return NM_DEVICE_WIFI_GET_PRIVATE(device)->bitrate;
}

/**
 * nm_device_wifi_get_capabilities:
 * @device: a #NMDeviceWifi
 *
 * Gets the Wi-Fi capabilities of the #NMDeviceWifi.
 *
 * Returns: the capabilities
 **/
NMDeviceWifiCapabilities
nm_device_wifi_get_capabilities(NMDeviceWifi *device)
{
    g_return_val_if_fail(NM_IS_DEVICE_WIFI(device), 0);

    return NM_DEVICE_WIFI_GET_PRIVATE(device)->wireless_capabilities;
}

/**
 * nm_device_wifi_get_active_access_point:
 * @device: a #NMDeviceWifi
 *
 * Gets the active #NMAccessPoint.
 *
 * Returns: (transfer none): the access point or %NULL if none is active
 **/
NMAccessPoint *
nm_device_wifi_get_active_access_point(NMDeviceWifi *device)
{
    g_return_val_if_fail(NM_IS_DEVICE_WIFI(device), NULL);

    return nml_dbus_property_o_get_obj(&NM_DEVICE_WIFI_GET_PRIVATE(device)->active_access_point);
}

/**
 * nm_device_wifi_get_access_points:
 * @device: a #NMDeviceWifi
 *
 * Gets all the scanned access points of the #NMDeviceWifi.
 *
 * Returns: (element-type NMAccessPoint): a #GPtrArray containing all the
 * scanned #NMAccessPoints.
 * The returned array is owned by the client and should not be modified.
 **/
const GPtrArray *
nm_device_wifi_get_access_points(NMDeviceWifi *device)
{
    g_return_val_if_fail(NM_IS_DEVICE_WIFI(device), NULL);

    return nml_dbus_property_ao_get_objs_as_ptrarray(
        &NM_DEVICE_WIFI_GET_PRIVATE(device)->access_points);
}

/**
 * nm_device_wifi_get_access_point_by_path:
 * @device: a #NMDeviceWifi
 * @path: the object path of the access point
 *
 * Gets a #NMAccessPoint by path.
 *
 * Returns: (transfer none): the access point or %NULL if none is found.
 **/
NMAccessPoint *
nm_device_wifi_get_access_point_by_path(NMDeviceWifi *device, const char *path)
{
    const GPtrArray *aps;
    int              i;
    NMAccessPoint *  ap = NULL;

    g_return_val_if_fail(NM_IS_DEVICE_WIFI(device), NULL);
    g_return_val_if_fail(path != NULL, NULL);

    aps = nm_device_wifi_get_access_points(device);
    if (!aps)
        return NULL;

    for (i = 0; i < aps->len; i++) {
        NMAccessPoint *candidate = g_ptr_array_index(aps, i);
        if (!strcmp(nm_object_get_path(NM_OBJECT(candidate)), path)) {
            ap = candidate;
            break;
        }
    }

    return ap;
}

/**
 * nm_device_wifi_get_last_scan:
 * @device: a #NMDeviceWifi
 *
 * Returns the timestamp (in CLOCK_BOOTTIME milliseconds) for the last finished
 * network scan. A value of -1 means the device never scanned for access points.
 *
 * Use nm_utils_get_timestamp_msec() to obtain current time value suitable for
 * comparing to this value.
 *
 * Returns: the last scan time in seconds
 *
 * Since: 1.12
 **/
gint64
nm_device_wifi_get_last_scan(NMDeviceWifi *device)
{
    g_return_val_if_fail(NM_IS_DEVICE_WIFI(device), -1);

    return NM_DEVICE_WIFI_GET_PRIVATE(device)->last_scan;
}

/**
 * nm_device_wifi_request_scan:
 * @device: a #NMDeviceWifi
 * @cancellable: a #GCancellable, or %NULL
 * @error: location for a #GError, or %NULL
 *
 * Request NM to scan for access points on @device. Note that the function
 * returns immediately after requesting the scan, and it may take some time
 * after that for the scan to complete.
 *
 * Returns: %TRUE on success, %FALSE on error, in which case @error will be
 * set.
 *
 * Deprecated: 1.22: Use nm_device_wifi_request_scan_async() or GDBusConnection.
 **/
gboolean
nm_device_wifi_request_scan(NMDeviceWifi *device, GCancellable *cancellable, GError **error)
{
    return nm_device_wifi_request_scan_options(device, NULL, cancellable, error);
}

/**
 * nm_device_wifi_request_scan_options:
 * @device: a #NMDeviceWifi
 * @options: dictionary with options for RequestScan(), or %NULL
 * @cancellable: a #GCancellable, or %NULL
 * @error: location for a #GError, or %NULL
 *
 * Request NM to scan for access points on @device. Note that the function
 * returns immediately after requesting the scan, and it may take some time
 * after that for the scan to complete.
 * This is the same as @nm_device_wifi_request_scan except it accepts @options
 * for the scanning. The argument is the dictionary passed to RequestScan()
 * D-Bus call. Valid options inside the dictionary are:
 * 'ssids' => array of SSIDs (saay)
 *
 * Returns: %TRUE on success, %FALSE on error, in which case @error will be
 * set.
 *
 * Since: 1.2
 *
 * Deprecated: 1.22: Use nm_device_wifi_request_scan_options_async() or GDBusConnection.
 **/
gboolean
nm_device_wifi_request_scan_options(NMDeviceWifi *device,
                                    GVariant *    options,
                                    GCancellable *cancellable,
                                    GError **     error)
{
    g_return_val_if_fail(NM_IS_DEVICE_WIFI(device), FALSE);
    g_return_val_if_fail(!options || g_variant_is_of_type(options, G_VARIANT_TYPE_VARDICT), FALSE);
    g_return_val_if_fail(!cancellable || G_IS_CANCELLABLE(cancellable), FALSE);
    g_return_val_if_fail(!error || !*error, FALSE);

    if (!options)
        options = g_variant_new_array(G_VARIANT_TYPE("{sv}"), NULL, 0);

    return _nm_client_dbus_call_sync_void(_nm_object_get_client(device),
                                          cancellable,
                                          _nm_object_get_path(device),
                                          NM_DBUS_INTERFACE_DEVICE_WIRELESS,
                                          "RequestScan",
                                          g_variant_new("(@a{sv})", options),
                                          G_DBUS_CALL_FLAGS_NONE,
                                          NM_DBUS_DEFAULT_TIMEOUT_MSEC,
                                          TRUE,
                                          error);
}

NM_BACKPORT_SYMBOL(
    libnm_1_0_6,
    gboolean,
    nm_device_wifi_request_scan_options,
    (NMDeviceWifi * device, GVariant *options, GCancellable *cancellable, GError **error),
    (device, options, cancellable, error));

/**
 * nm_device_wifi_request_scan_async:
 * @device: a #NMDeviceWifi
 * @cancellable: a #GCancellable, or %NULL
 * @callback: callback to be called when the scan has been requested
 * @user_data: caller-specific data passed to @callback
 *
 * Request NM to scan for access points on @device. Note that @callback will be
 * called immediately after requesting the scan, and it may take some time after
 * that for the scan to complete.
 **/
void
nm_device_wifi_request_scan_async(NMDeviceWifi *      device,
                                  GCancellable *      cancellable,
                                  GAsyncReadyCallback callback,
                                  gpointer            user_data)
{
    nm_device_wifi_request_scan_options_async(device, NULL, cancellable, callback, user_data);
}

/**
 * nm_device_wifi_request_scan_options_async:
 * @device: a #NMDeviceWifi
 * @options: dictionary with options for RequestScan(), or %NULL
 * @cancellable: a #GCancellable, or %NULL
 * @callback: callback to be called when the scan has been requested
 * @user_data: caller-specific data passed to @callback
 *
 * Request NM to scan for access points on @device. Note that @callback will be
 * called immediately after requesting the scan, and it may take some time after
 * that for the scan to complete.
 * This is the same as @nm_device_wifi_request_scan_async except it accepts @options
 * for the scanning. The argument is the dictionary passed to RequestScan()
 * D-Bus call. Valid options inside the dictionary are:
 * 'ssids' => array of SSIDs (saay)
 *
 * To complete the request call nm_device_wifi_request_scan_finish().
 *
 * Since: 1.2
 **/
void
nm_device_wifi_request_scan_options_async(NMDeviceWifi *      device,
                                          GVariant *          options,
                                          GCancellable *      cancellable,
                                          GAsyncReadyCallback callback,
                                          gpointer            user_data)
{
    g_return_if_fail(NM_IS_DEVICE_WIFI(device));
    g_return_if_fail(!options || g_variant_is_of_type(options, G_VARIANT_TYPE_VARDICT));
    g_return_if_fail(!cancellable || G_IS_CANCELLABLE(cancellable));

    if (!options)
        options = g_variant_new_array(G_VARIANT_TYPE("{sv}"), NULL, 0);

    _nm_client_dbus_call(_nm_object_get_client(device),
                         device,
                         nm_device_wifi_request_scan_async,
                         cancellable,
                         callback,
                         user_data,
                         _nm_object_get_path(device),
                         NM_DBUS_INTERFACE_DEVICE_WIRELESS,
                         "RequestScan",
                         g_variant_new("(@a{sv})", options),
                         G_VARIANT_TYPE("()"),
                         G_DBUS_CALL_FLAGS_NONE,
                         NM_DBUS_DEFAULT_TIMEOUT_MSEC,
                         nm_dbus_connection_call_finish_void_strip_dbus_error_cb);
}

NM_BACKPORT_SYMBOL(libnm_1_0_6,
                   void,
                   nm_device_wifi_request_scan_options_async,
                   (NMDeviceWifi * device,
                    GVariant *          options,
                    GCancellable *      cancellable,
                    GAsyncReadyCallback callback,
                    gpointer            user_data),
                   (device, options, cancellable, callback, user_data));

/**
 * nm_device_wifi_request_scan_finish:
 * @device: a #NMDeviceWifi
 * @result: the result passed to the #GAsyncReadyCallback
 * @error: location for a #GError, or %NULL
 *
 * Gets the result of a call to nm_device_wifi_request_scan_async() and
 * nm_device_wifi_request_scan_options_async().
 *
 * Returns: %TRUE on success, %FALSE on error, in which case @error will be
 * set.
 **/
gboolean
nm_device_wifi_request_scan_finish(NMDeviceWifi *device, GAsyncResult *result, GError **error)
{
    g_return_val_if_fail(NM_IS_DEVICE_WIFI(device), FALSE);
    g_return_val_if_fail(nm_g_task_is_valid(result, device, nm_device_wifi_request_scan_async),
                         FALSE);

    return g_task_propagate_boolean(G_TASK(result), error);
}

#define WPA_CAPS                                                                              \
    (NM_WIFI_DEVICE_CAP_CIPHER_TKIP | NM_WIFI_DEVICE_CAP_CIPHER_CCMP | NM_WIFI_DEVICE_CAP_WPA \
     | NM_WIFI_DEVICE_CAP_RSN)

#define RSN_CAPS (NM_WIFI_DEVICE_CAP_CIPHER_CCMP | NM_WIFI_DEVICE_CAP_RSN)

static gboolean
has_proto(NMSettingWirelessSecurity *s_wsec, const char *proto)
{
    int i;

    for (i = 0; i < nm_setting_wireless_security_get_num_protos(s_wsec); i++) {
        if (g_strcmp0(proto, nm_setting_wireless_security_get_proto(s_wsec, i)) == 0)
            return TRUE;
    }
    return FALSE;
}

static gboolean
connection_compatible(NMDevice *device, NMConnection *connection, GError **error)
{
    NMSettingWireless *        s_wifi;
    NMSettingWirelessSecurity *s_wsec;
    const char *               hwaddr, *setting_hwaddr;
    NMDeviceWifiCapabilities   wifi_caps;
    const char *               key_mgmt;

    if (!NM_DEVICE_CLASS(nm_device_wifi_parent_class)
             ->connection_compatible(device, connection, error))
        return FALSE;

    if (!nm_connection_is_type(connection, NM_SETTING_WIRELESS_SETTING_NAME)) {
        g_set_error_literal(error,
                            NM_DEVICE_ERROR,
                            NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION,
                            _("The connection was not a Wi-Fi connection."));
        return FALSE;
    }

    /* Check MAC address */
    hwaddr = nm_device_wifi_get_permanent_hw_address(NM_DEVICE_WIFI(device));
    if (hwaddr) {
        if (!nm_utils_hwaddr_valid(hwaddr, ETH_ALEN)) {
            g_set_error_literal(error,
                                NM_DEVICE_ERROR,
                                NM_DEVICE_ERROR_FAILED,
                                _("Invalid device MAC address."));
            return FALSE;
        }
        s_wifi         = nm_connection_get_setting_wireless(connection);
        setting_hwaddr = nm_setting_wireless_get_mac_address(s_wifi);
        if (setting_hwaddr && !nm_utils_hwaddr_matches(setting_hwaddr, -1, hwaddr, -1)) {
            g_set_error_literal(error,
                                NM_DEVICE_ERROR,
                                NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION,
                                _("The MACs of the device and the connection didn't match."));
            return FALSE;
        }
    }

    /* Check device capabilities; we assume all devices can do WEP at least */

    s_wsec = nm_connection_get_setting_wireless_security(connection);
    if (s_wsec) {
        /* Connection has security, verify it against the device's capabilities */
        key_mgmt = nm_setting_wireless_security_get_key_mgmt(s_wsec);
        if (!g_strcmp0(key_mgmt, "wpa-psk") || !g_strcmp0(key_mgmt, "wpa-eap")) {
            wifi_caps = nm_device_wifi_get_capabilities(NM_DEVICE_WIFI(device));

            /* Is device only WEP capable? */
            if (!(wifi_caps & WPA_CAPS)) {
                g_set_error_literal(
                    error,
                    NM_DEVICE_ERROR,
                    NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION,
                    _("The device is lacking WPA capabilities required by the connection."));
                return FALSE;
            }

            /* Make sure WPA2/RSN-only connections don't get chosen for WPA-only cards */
            if (has_proto(s_wsec, "rsn") && !has_proto(s_wsec, "wpa") && !(wifi_caps & RSN_CAPS)) {
                g_set_error_literal(
                    error,
                    NM_DEVICE_ERROR,
                    NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION,
                    _("The device is lacking WPA2/RSN capabilities required by the connection."));
                return FALSE;
            }
        }
    }

    return TRUE;
}

static GType
get_setting_type(NMDevice *device)
{
    return NM_TYPE_SETTING_WIRELESS;
}

/*****************************************************************************/

static void
_property_ao_notify_changed_access_points_cb(NMLDBusPropertyAO *pr_ao,
                                             NMClient *         client,
                                             NMObject *         nmobj,
                                             gboolean           is_added /* or else removed */)
{
    _nm_client_notify_event_queue_emit_obj_signal(client,
                                                  G_OBJECT(pr_ao->owner_dbobj->nmobj),
                                                  nmobj,
                                                  is_added,
                                                  10,
                                                  is_added ? signals[ACCESS_POINT_ADDED]
                                                           : signals[ACCESS_POINT_REMOVED]);
}

/*****************************************************************************/

static void
nm_device_wifi_init(NMDeviceWifi *device)
{
    NMDeviceWifiPrivate *priv = NM_DEVICE_WIFI_GET_PRIVATE(device);

    priv->last_scan = -1;
}

static void
get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
    NMDeviceWifi *self = NM_DEVICE_WIFI(object);

    switch (prop_id) {
    case PROP_PERM_HW_ADDRESS:
        g_value_set_string(value, nm_device_wifi_get_permanent_hw_address(self));
        break;
    case PROP_MODE:
        g_value_set_enum(value, nm_device_wifi_get_mode(self));
        break;
    case PROP_BITRATE:
        g_value_set_uint(value, nm_device_wifi_get_bitrate(self));
        break;
    case PROP_ACTIVE_ACCESS_POINT:
        g_value_set_object(value, nm_device_wifi_get_active_access_point(self));
        break;
    case PROP_WIRELESS_CAPABILITIES:
        g_value_set_flags(value, nm_device_wifi_get_capabilities(self));
        break;
    case PROP_ACCESS_POINTS:
        g_value_take_boxed(value,
                           _nm_utils_copy_object_array(nm_device_wifi_get_access_points(self)));
        break;
    case PROP_LAST_SCAN:
        g_value_set_int64(value, nm_device_wifi_get_last_scan(self));
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
        break;
    }
}

static void
finalize(GObject *object)
{
    NMDeviceWifiPrivate *priv = NM_DEVICE_WIFI_GET_PRIVATE(object);

    g_free(priv->perm_hw_address);

    G_OBJECT_CLASS(nm_device_wifi_parent_class)->finalize(object);
}

const NMLDBusMetaIface _nml_dbus_meta_iface_nm_device_wireless = NML_DBUS_META_IFACE_INIT_PROP(
    NM_DBUS_INTERFACE_DEVICE_WIRELESS,
    nm_device_wifi_get_type,
    NML_DBUS_META_INTERFACE_PRIO_INSTANTIATE_30,
    NML_DBUS_META_IFACE_DBUS_PROPERTIES(
        NML_DBUS_META_PROPERTY_INIT_AO_PROP("AccessPoints",
                                            PROP_ACCESS_POINTS,
                                            NMDeviceWifi,
                                            _priv.access_points,
                                            nm_access_point_get_type,
                                            .notify_changed_ao =
                                                _property_ao_notify_changed_access_points_cb),
        NML_DBUS_META_PROPERTY_INIT_O_PROP("ActiveAccessPoint",
                                           PROP_ACTIVE_ACCESS_POINT,
                                           NMDeviceWifi,
                                           _priv.active_access_point,
                                           nm_access_point_get_type),
        NML_DBUS_META_PROPERTY_INIT_U("Bitrate", PROP_BITRATE, NMDeviceWifi, _priv.bitrate),
        NML_DBUS_META_PROPERTY_INIT_FCN("HwAddress",
                                        0,
                                        "s",
                                        _nm_device_notify_update_prop_hw_address),
        NML_DBUS_META_PROPERTY_INIT_X("LastScan", PROP_LAST_SCAN, NMDeviceWifi, _priv.last_scan),
        NML_DBUS_META_PROPERTY_INIT_U("Mode", PROP_MODE, NMDeviceWifi, _priv.mode),
        NML_DBUS_META_PROPERTY_INIT_S("PermHwAddress",
                                      PROP_PERM_HW_ADDRESS,
                                      NMDeviceWifi,
                                      _priv.perm_hw_address),
        NML_DBUS_META_PROPERTY_INIT_U("WirelessCapabilities",
                                      PROP_WIRELESS_CAPABILITIES,
                                      NMDeviceWifi,
                                      _priv.wireless_capabilities), ), );

static void
nm_device_wifi_class_init(NMDeviceWifiClass *klass)
{
    GObjectClass * object_class    = G_OBJECT_CLASS(klass);
    NMObjectClass *nm_object_class = NM_OBJECT_CLASS(klass);
    NMDeviceClass *device_class    = NM_DEVICE_CLASS(klass);

    object_class->get_property = get_property;
    object_class->finalize     = finalize;

    _NM_OBJECT_CLASS_INIT_PRIV_PTR_DIRECT(nm_object_class, NMDeviceWifi);

    _NM_OBJECT_CLASS_INIT_PROPERTY_O_FIELDS_1(nm_object_class,
                                              NMDeviceWifiPrivate,
                                              active_access_point);
    _NM_OBJECT_CLASS_INIT_PROPERTY_AO_FIELDS_1(nm_object_class, NMDeviceWifiPrivate, access_points);

    device_class->connection_compatible = connection_compatible;
    device_class->get_setting_type      = get_setting_type;

    /**
     * NMDeviceWifi:perm-hw-address:
     *
     * The hardware (MAC) address of the device.
     **/
    obj_properties[PROP_PERM_HW_ADDRESS] =
        g_param_spec_string(NM_DEVICE_WIFI_PERMANENT_HW_ADDRESS,
                            "",
                            "",
                            NULL,
                            G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);

    /**
     * NMDeviceWifi:mode:
     *
     * The mode of the device.
     **/
    obj_properties[PROP_MODE] = g_param_spec_enum(NM_DEVICE_WIFI_MODE,
                                                  "",
                                                  "",
                                                  NM_TYPE_802_11_MODE,
                                                  NM_802_11_MODE_UNKNOWN,
                                                  G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);

    /**
     * NMDeviceWifi:bitrate:
     *
     * The bit rate of the device in kbit/s.
     **/
    obj_properties[PROP_BITRATE] = g_param_spec_uint(NM_DEVICE_WIFI_BITRATE,
                                                     "",
                                                     "",
                                                     0,
                                                     G_MAXUINT32,
                                                     0,
                                                     G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);

    /**
     * NMDeviceWifi:active-access-point:
     *
     * The active #NMAccessPoint of the device.
     **/
    obj_properties[PROP_ACTIVE_ACCESS_POINT] =
        g_param_spec_object(NM_DEVICE_WIFI_ACTIVE_ACCESS_POINT,
                            "",
                            "",
                            NM_TYPE_ACCESS_POINT,
                            G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);

    /**
     * NMDeviceWifi:wireless-capabilities:
     *
     * The wireless capabilities of the device.
     **/
    obj_properties[PROP_WIRELESS_CAPABILITIES] =
        g_param_spec_flags(NM_DEVICE_WIFI_CAPABILITIES,
                           "",
                           "",
                           NM_TYPE_DEVICE_WIFI_CAPABILITIES,
                           NM_WIFI_DEVICE_CAP_NONE,
                           G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);

    /**
     * NMDeviceWifi:access-points: (type GPtrArray(NMAccessPoint))
     *
     * List of all Wi-Fi access points the device can see.
     **/
    obj_properties[PROP_ACCESS_POINTS] =
        g_param_spec_boxed(NM_DEVICE_WIFI_ACCESS_POINTS,
                           "",
                           "",
                           G_TYPE_PTR_ARRAY,
                           G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);

    /**
     * NMDeviceWifi:last-scan:
     *
     * The timestamp (in CLOCK_BOOTTIME seconds) for the last finished
     * network scan. A value of -1 means the device never scanned for
     * access points.
     *
     * Since: 1.12
     **/
    obj_properties[PROP_LAST_SCAN] = g_param_spec_int64(NM_DEVICE_WIFI_LAST_SCAN,
                                                        "",
                                                        "",
                                                        -1,
                                                        G_MAXINT64,
                                                        -1,
                                                        G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);

    _nml_dbus_meta_class_init_with_properties(object_class,
                                              &_nml_dbus_meta_iface_nm_device_wireless);

    /**
     * NMDeviceWifi::access-point-added:
     * @device: the Wi-Fi device that received the signal
     * @ap: the new access point
     *
     * Notifies that a #NMAccessPoint is added to the Wi-Fi device.
     **/
    signals[ACCESS_POINT_ADDED] = g_signal_new("access-point-added",
                                               G_OBJECT_CLASS_TYPE(object_class),
                                               G_SIGNAL_RUN_FIRST,
                                               0,
                                               NULL,
                                               NULL,
                                               g_cclosure_marshal_VOID__OBJECT,
                                               G_TYPE_NONE,
                                               1,
                                               G_TYPE_OBJECT);

    /**
     * NMDeviceWifi::access-point-removed:
     * @device: the Wi-Fi device that received the signal
     * @ap: the removed access point
     *
     * Notifies that a #NMAccessPoint is removed from the Wi-Fi device.
     **/
    signals[ACCESS_POINT_REMOVED] = g_signal_new("access-point-removed",
                                                 G_OBJECT_CLASS_TYPE(object_class),
                                                 G_SIGNAL_RUN_FIRST,
                                                 0,
                                                 NULL,
                                                 NULL,
                                                 g_cclosure_marshal_VOID__OBJECT,
                                                 G_TYPE_NONE,
                                                 1,
                                                 G_TYPE_OBJECT);
}