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

#include "libnm-client-impl/nm-default-libnm.h"

#include "nm-active-connection.h"

#include "nm-dbus-interface.h"
#include "nm-object-private.h"
#include "libnm-core-intern/nm-core-internal.h"
#include "nm-device.h"
#include "nm-connection.h"
#include "nm-vpn-connection.h"
#include "nm-dbus-helpers.h"
#include "nm-dhcp4-config.h"
#include "nm-dhcp6-config.h"
#include "nm-ip4-config.h"
#include "nm-ip6-config.h"
#include "nm-remote-connection.h"

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

NM_GOBJECT_PROPERTIES_DEFINE(NMActiveConnection,
                             PROP_CONNECTION,
                             PROP_ID,
                             PROP_UUID,
                             PROP_TYPE,
                             PROP_SPECIFIC_OBJECT_PATH,
                             PROP_DEVICES,
                             PROP_STATE,
                             PROP_STATE_FLAGS,
                             PROP_DEFAULT,
                             PROP_IP4_CONFIG,
                             PROP_DHCP4_CONFIG,
                             PROP_DEFAULT6,
                             PROP_IP6_CONFIG,
                             PROP_DHCP6_CONFIG,
                             PROP_VPN,
                             PROP_MASTER, );

enum {
    STATE_CHANGED,

    LAST_SIGNAL
};

static guint signals[LAST_SIGNAL];

enum {
    PROPERTY_O_IDX_CONNECTION,
    PROPERTY_O_IDX_MASTER,
    PROPERTY_O_IDX_IP4_CONFIG,
    PROPERTY_O_IDX_IP6_CONFIG,
    PROPERTY_O_IDX_DHCP4_CONFIG,
    PROPERTY_O_IDX_DHCP6_CONFIG,
    _PROPERTY_O_IDX_NUM,
};

typedef struct _NMActiveConnectionPrivate {
    NMLDBusPropertyO  property_o[_PROPERTY_O_IDX_NUM];
    NMLDBusPropertyAO devices;
    NMRefString *     specific_object_path;
    char *            id;
    char *            uuid;
    char *            type;

    guint32 state;
    guint32 state_flags;

    bool is_default;
    bool is_default6;
    bool is_vpn;

    guint32 reason;
} NMActiveConnectionPrivate;

G_DEFINE_TYPE(NMActiveConnection, nm_active_connection, NM_TYPE_OBJECT);

#define NM_ACTIVE_CONNECTION_GET_PRIVATE(self) \
    _NM_GET_PRIVATE_PTR(self, NMActiveConnection, NM_IS_ACTIVE_CONNECTION, NMObject)

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

/**
 * nm_active_connection_get_connection:
 * @connection: a #NMActiveConnection
 *
 * Gets the #NMRemoteConnection associated with @connection.
 *
 * Returns: (transfer none): the #NMRemoteConnection which this
 * #NMActiveConnection is an active instance of.
 **/
NMRemoteConnection *
nm_active_connection_get_connection(NMActiveConnection *connection)
{
    g_return_val_if_fail(NM_IS_ACTIVE_CONNECTION(connection), NULL);

    return nml_dbus_property_o_get_obj(
        &NM_ACTIVE_CONNECTION_GET_PRIVATE(connection)->property_o[PROPERTY_O_IDX_CONNECTION]);
}

/**
 * nm_active_connection_get_id:
 * @connection: a #NMActiveConnection
 *
 * Gets the #NMConnection's ID.
 *
 * Returns: the ID of the #NMConnection that backs the #NMActiveConnection.
 * This is the internal string used by the connection, and must not be modified.
 **/
const char *
nm_active_connection_get_id(NMActiveConnection *connection)
{
    g_return_val_if_fail(NM_IS_ACTIVE_CONNECTION(connection), NULL);

    return _nml_coerce_property_str_not_empty(NM_ACTIVE_CONNECTION_GET_PRIVATE(connection)->id);
}

/**
 * nm_active_connection_get_uuid:
 * @connection: a #NMActiveConnection
 *
 * Gets the #NMConnection's UUID.
 *
 * Returns: the UUID of the #NMConnection that backs the #NMActiveConnection.
 * This is the internal string used by the connection, and must not be modified.
 **/
const char *
nm_active_connection_get_uuid(NMActiveConnection *connection)
{
    g_return_val_if_fail(NM_IS_ACTIVE_CONNECTION(connection), NULL);

    return _nml_coerce_property_str_not_empty(NM_ACTIVE_CONNECTION_GET_PRIVATE(connection)->uuid);
}

/**
 * nm_active_connection_get_connection_type:
 * @connection: a #NMActiveConnection
 *
 * Gets the #NMConnection's type.
 *
 * Returns: the type of the #NMConnection that backs the #NMActiveConnection.
 * This is the internal string used by the connection, and must not be modified.
 **/
const char *
nm_active_connection_get_connection_type(NMActiveConnection *connection)
{
    g_return_val_if_fail(NM_IS_ACTIVE_CONNECTION(connection), NULL);

    return _nml_coerce_property_str_not_empty(NM_ACTIVE_CONNECTION_GET_PRIVATE(connection)->type);
}

/**
 * nm_active_connection_get_specific_object_path:
 * @connection: a #NMActiveConnection
 *
 * Gets the path of the "specific object" used at activation.
 *
 * Currently, there is no single method that will allow you to automatically turn
 * this into an appropriate #NMObject; you need to know what kind of object it
 * is based on other information. (Eg, if @connection corresponds to a Wi-Fi
 * connection, then the specific object will be an #NMAccessPoint, and you can
 * resolve it with nm_device_wifi_get_access_point_by_path().)
 *
 * Returns: the specific object's D-Bus path. This is the internal string used
 * by the connection, and must not be modified.
 **/
const char *
nm_active_connection_get_specific_object_path(NMActiveConnection *connection)
{
    g_return_val_if_fail(NM_IS_ACTIVE_CONNECTION(connection), NULL);

    return _nml_coerce_property_object_path(
        NM_ACTIVE_CONNECTION_GET_PRIVATE(connection)->specific_object_path);
}

/**
 * nm_active_connection_get_devices:
 * @connection: a #NMActiveConnection
 *
 * Gets the #NMDevices used for the active connections.
 *
 * Returns: (element-type NMDevice): the #GPtrArray containing #NMDevices.
 * This is the internal copy used by the connection, and must not be modified.
 **/
const GPtrArray *
nm_active_connection_get_devices(NMActiveConnection *connection)
{
    g_return_val_if_fail(NM_IS_ACTIVE_CONNECTION(connection), NULL);

    return nml_dbus_property_ao_get_objs_as_ptrarray(
        &NM_ACTIVE_CONNECTION_GET_PRIVATE(connection)->devices);
}

/**
 * nm_active_connection_get_state:
 * @connection: a #NMActiveConnection
 *
 * Gets the active connection's state.
 *
 * Returns: the state
 **/
NMActiveConnectionState
nm_active_connection_get_state(NMActiveConnection *connection)
{
    g_return_val_if_fail(NM_IS_ACTIVE_CONNECTION(connection), NM_ACTIVE_CONNECTION_STATE_UNKNOWN);

    return NM_ACTIVE_CONNECTION_GET_PRIVATE(connection)->state;
}

/**
 * nm_active_connection_get_state_flags:
 * @connection: a #NMActiveConnection
 *
 * Gets the active connection's state flags.
 *
 * Returns: the state flags
 *
 * Since: 1.10
 **/
NMActivationStateFlags
nm_active_connection_get_state_flags(NMActiveConnection *connection)
{
    g_return_val_if_fail(NM_IS_ACTIVE_CONNECTION(connection), NM_ACTIVATION_STATE_FLAG_NONE);

    return NM_ACTIVE_CONNECTION_GET_PRIVATE(connection)->state_flags;
}

/**
 * nm_active_connection_get_state_reason:
 * @connection: a #NMActiveConnection
 *
 * Gets the reason for active connection's state.
 *
 * Returns: the reason
 *
 * Since: 1.8
 **/
NMActiveConnectionStateReason
nm_active_connection_get_state_reason(NMActiveConnection *connection)
{
    g_return_val_if_fail(NM_IS_ACTIVE_CONNECTION(connection),
                         NM_ACTIVE_CONNECTION_STATE_REASON_UNKNOWN);

    return NM_ACTIVE_CONNECTION_GET_PRIVATE(connection)->reason;
}

/**
 * nm_active_connection_get_default:
 * @connection: a #NMActiveConnection
 *
 * Whether the active connection is the default IPv4 one (that is, is used for
 * the default IPv4 route and DNS information).
 *
 * Returns: %TRUE if the active connection is the default IPv4 connection
 **/
gboolean
nm_active_connection_get_default(NMActiveConnection *connection)
{
    g_return_val_if_fail(NM_IS_ACTIVE_CONNECTION(connection), FALSE);

    return NM_ACTIVE_CONNECTION_GET_PRIVATE(connection)->is_default;
}

/**
 * nm_active_connection_get_ip4_config:
 * @connection: an #NMActiveConnection
 *
 * Gets the current IPv4 #NMIPConfig associated with the #NMActiveConnection.
 *
 * Returns: (transfer none): the IPv4 #NMIPConfig, or %NULL if the connection is
 *   not in the %NM_ACTIVE_CONNECTION_STATE_ACTIVATED state.
 **/
NMIPConfig *
nm_active_connection_get_ip4_config(NMActiveConnection *connection)
{
    g_return_val_if_fail(NM_IS_ACTIVE_CONNECTION(connection), NULL);

    return nml_dbus_property_o_get_obj(
        &NM_ACTIVE_CONNECTION_GET_PRIVATE(connection)->property_o[PROPERTY_O_IDX_IP4_CONFIG]);
}

/**
 * nm_active_connection_get_dhcp4_config:
 * @connection: an #NMActiveConnection
 *
 * Gets the current IPv4 #NMDhcpConfig (if any) associated with the
 * #NMActiveConnection.
 *
 * Returns: (transfer none): the IPv4 #NMDhcpConfig, or %NULL if the connection
 *   does not use DHCP, or is not in the %NM_ACTIVE_CONNECTION_STATE_ACTIVATED
 *   state.
 **/
NMDhcpConfig *
nm_active_connection_get_dhcp4_config(NMActiveConnection *connection)
{
    g_return_val_if_fail(NM_IS_ACTIVE_CONNECTION(connection), NULL);

    return nml_dbus_property_o_get_obj(
        &NM_ACTIVE_CONNECTION_GET_PRIVATE(connection)->property_o[PROPERTY_O_IDX_DHCP4_CONFIG]);
}

/**
 * nm_active_connection_get_default6:
 * @connection: a #NMActiveConnection
 *
 * Whether the active connection is the default IPv6 one (that is, is used for
 * the default IPv6 route and DNS information).
 *
 * Returns: %TRUE if the active connection is the default IPv6 connection
 **/
gboolean
nm_active_connection_get_default6(NMActiveConnection *connection)
{
    g_return_val_if_fail(NM_IS_ACTIVE_CONNECTION(connection), FALSE);

    return NM_ACTIVE_CONNECTION_GET_PRIVATE(connection)->is_default6;
}

/**
 * nm_active_connection_get_ip6_config:
 * @connection: an #NMActiveConnection
 *
 * Gets the current IPv6 #NMIPConfig associated with the #NMActiveConnection.
 *
 * Returns: (transfer none): the IPv6 #NMIPConfig, or %NULL if the connection is
 *   not in the %NM_ACTIVE_CONNECTION_STATE_ACTIVATED state.
 **/
NMIPConfig *
nm_active_connection_get_ip6_config(NMActiveConnection *connection)
{
    g_return_val_if_fail(NM_IS_ACTIVE_CONNECTION(connection), NULL);

    return nml_dbus_property_o_get_obj(
        &NM_ACTIVE_CONNECTION_GET_PRIVATE(connection)->property_o[PROPERTY_O_IDX_IP6_CONFIG]);
}

/**
 * nm_active_connection_get_dhcp6_config:
 * @connection: an #NMActiveConnection
 *
 * Gets the current IPv6 #NMDhcpConfig (if any) associated with the
 * #NMActiveConnection.
 *
 * Returns: (transfer none): the IPv6 #NMDhcpConfig, or %NULL if the connection
 *   does not use DHCPv6, or is not in the %NM_ACTIVE_CONNECTION_STATE_ACTIVATED
 *   state.
 **/
NMDhcpConfig *
nm_active_connection_get_dhcp6_config(NMActiveConnection *connection)
{
    g_return_val_if_fail(NM_IS_ACTIVE_CONNECTION(connection), NULL);

    return nml_dbus_property_o_get_obj(
        &NM_ACTIVE_CONNECTION_GET_PRIVATE(connection)->property_o[PROPERTY_O_IDX_DHCP6_CONFIG]);
}

/**
 * nm_active_connection_get_vpn:
 * @connection: a #NMActiveConnection
 *
 * Whether the active connection is a VPN connection.
 *
 * Returns: %TRUE if the active connection is a VPN connection
 **/
gboolean
nm_active_connection_get_vpn(NMActiveConnection *connection)
{
    g_return_val_if_fail(NM_IS_ACTIVE_CONNECTION(connection), FALSE);

    return NM_ACTIVE_CONNECTION_GET_PRIVATE(connection)->is_vpn;
}

/**
 * nm_active_connection_get_master:
 * @connection: a #NMActiveConnection
 *
 * Gets the master #NMDevice of the connection.
 *
 * Returns: (transfer none): the master #NMDevice of the #NMActiveConnection.
 **/
NMDevice *
nm_active_connection_get_master(NMActiveConnection *connection)
{
    g_return_val_if_fail(NM_IS_ACTIVE_CONNECTION(connection), NULL);

    return nml_dbus_property_o_get_obj(
        &NM_ACTIVE_CONNECTION_GET_PRIVATE(connection)->property_o[PROPERTY_O_IDX_MASTER]);
}

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

static void
_notify_event_state_changed(NMClient *client, NMClientNotifyEventWithPtr *notify_event)
{
    gs_unref_object NMActiveConnection *self = notify_event->user_data;
    NMActiveConnectionPrivate *         priv = NM_ACTIVE_CONNECTION_GET_PRIVATE(self);

    /* we expose here the value cache in @priv. In practice, this is the same
     * value as we received from the signal. In the unexpected case where they
     * differ, the cached value of the current instance would still be more correct. */
    g_signal_emit(self, signals[STATE_CHANGED], 0, (guint) priv->state, (guint) priv->reason);
}

void
_nm_active_connection_state_changed_commit(NMActiveConnection *self, guint32 state, guint32 reason)
{
    NMClient *                 client;
    NMActiveConnectionPrivate *priv = NM_ACTIVE_CONNECTION_GET_PRIVATE(self);

    client = _nm_object_get_client(self);

    if (priv->state != state) {
        priv->state = state;
        _nm_client_queue_notify_object(client, self, obj_properties[PROP_STATE]);
    }

    priv->reason = reason;

    _nm_client_notify_event_queue_with_ptr(client,
                                           NM_CLIENT_NOTIFY_EVENT_PRIO_GPROP + 1,
                                           _notify_event_state_changed,
                                           g_object_ref(self));
}
/*****************************************************************************/

static gboolean
is_ready(NMObject *nmobj)
{
    NMActiveConnectionPrivate *priv = NM_ACTIVE_CONNECTION_GET_PRIVATE(nmobj);

    /* Usually, we don't want to expose our NMObject instances until they are fully initialized.
     * For NMRemoteSetting this means to wait until GetSettings() returns.
     *
     * Note that most object types reference each other (directly or indirectly). E.g. the
     * NMActiveConnection refers to the NMRemoteConnection and the NMDevice instance. So,
     * we don't want to hide them too long, otherwise basically the entire set of objects
     * will be hidden until they are all initialized. So, usually, when a NMObject references
     * objects that are not yet initialized, that reference will just be NULL but the object
     * will be considered ready already.
     *
     * For NMActiveConnection referencing a NMRemoteConnection don't do that. Here we wait for the
     * NMRemoteConnection to be ready as well. This is somewhat arbitrary special casing, but
     * the effect is that when nm_client_add_and_activate*() returns, the NMActiveConnection already
     * references a initialized NMRemoteConnection.
     */
    if (!nml_dbus_property_o_is_ready_fully(&priv->property_o[PROPERTY_O_IDX_CONNECTION]))
        return FALSE;

    return NM_OBJECT_CLASS(nm_active_connection_parent_class)->is_ready(nmobj);
}

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

static void
nm_active_connection_init(NMActiveConnection *self)
{
    NMActiveConnectionPrivate *priv;

    priv = G_TYPE_INSTANCE_GET_PRIVATE(self, NM_TYPE_ACTIVE_CONNECTION, NMActiveConnectionPrivate);

    self->_priv = priv;
}

static void
finalize(GObject *object)
{
    NMActiveConnectionPrivate *priv = NM_ACTIVE_CONNECTION_GET_PRIVATE(object);

    g_free(priv->id);
    g_free(priv->uuid);
    g_free(priv->type);
    nm_ref_string_unref(priv->specific_object_path);

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

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

    switch (prop_id) {
    case PROP_CONNECTION:
        g_value_set_object(value, nm_active_connection_get_connection(self));
        break;
    case PROP_ID:
        g_value_set_string(value, nm_active_connection_get_id(self));
        break;
    case PROP_UUID:
        g_value_set_string(value, nm_active_connection_get_uuid(self));
        break;
    case PROP_TYPE:
        g_value_set_string(value, nm_active_connection_get_connection_type(self));
        break;
    case PROP_SPECIFIC_OBJECT_PATH:
        g_value_set_string(value, nm_active_connection_get_specific_object_path(self));
        break;
    case PROP_DEVICES:
        g_value_take_boxed(value,
                           _nm_utils_copy_object_array(nm_active_connection_get_devices(self)));
        break;
    case PROP_STATE:
        g_value_set_enum(value, nm_active_connection_get_state(self));
        break;
    case PROP_STATE_FLAGS:
        g_value_set_uint(value, nm_active_connection_get_state_flags(self));
        break;
    case PROP_DEFAULT:
        g_value_set_boolean(value, nm_active_connection_get_default(self));
        break;
    case PROP_IP4_CONFIG:
        g_value_set_object(value, nm_active_connection_get_ip4_config(self));
        break;
    case PROP_DHCP4_CONFIG:
        g_value_set_object(value, nm_active_connection_get_dhcp4_config(self));
        break;
    case PROP_DEFAULT6:
        g_value_set_boolean(value, nm_active_connection_get_default6(self));
        break;
    case PROP_IP6_CONFIG:
        g_value_set_object(value, nm_active_connection_get_ip6_config(self));
        break;
    case PROP_DHCP6_CONFIG:
        g_value_set_object(value, nm_active_connection_get_dhcp6_config(self));
        break;
    case PROP_VPN:
        g_value_set_boolean(value, nm_active_connection_get_vpn(self));
        break;
    case PROP_MASTER:
        g_value_set_object(value, nm_active_connection_get_master(self));
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
        break;
    }
}

const NMLDBusMetaIface _nml_dbus_meta_iface_nm_connection_active = NML_DBUS_META_IFACE_INIT_PROP(
    NM_DBUS_INTERFACE_ACTIVE_CONNECTION,
    nm_active_connection_get_type,
    NML_DBUS_META_INTERFACE_PRIO_INSTANTIATE_10,
    NML_DBUS_META_IFACE_DBUS_PROPERTIES(
        NML_DBUS_META_PROPERTY_INIT_O_PROP("Connection",
                                           PROP_CONNECTION,
                                           NMActiveConnectionPrivate,
                                           property_o[PROPERTY_O_IDX_CONNECTION],
                                           nm_remote_connection_get_type),
        NML_DBUS_META_PROPERTY_INIT_B("Default",
                                      PROP_DEFAULT,
                                      NMActiveConnectionPrivate,
                                      is_default),
        NML_DBUS_META_PROPERTY_INIT_B("Default6",
                                      PROP_DEFAULT6,
                                      NMActiveConnectionPrivate,
                                      is_default6),
        NML_DBUS_META_PROPERTY_INIT_AO_PROP("Devices",
                                            PROP_DEVICES,
                                            NMActiveConnectionPrivate,
                                            devices,
                                            nm_device_get_type),
        NML_DBUS_META_PROPERTY_INIT_O_PROP("Dhcp4Config",
                                           PROP_DHCP4_CONFIG,
                                           NMActiveConnectionPrivate,
                                           property_o[PROPERTY_O_IDX_DHCP4_CONFIG],
                                           nm_dhcp4_config_get_type),
        NML_DBUS_META_PROPERTY_INIT_O_PROP("Dhcp6Config",
                                           PROP_DHCP6_CONFIG,
                                           NMActiveConnectionPrivate,
                                           property_o[PROPERTY_O_IDX_DHCP6_CONFIG],
                                           nm_dhcp6_config_get_type),
        NML_DBUS_META_PROPERTY_INIT_S("Id", PROP_ID, NMActiveConnectionPrivate, id),
        NML_DBUS_META_PROPERTY_INIT_O_PROP("Ip4Config",
                                           PROP_IP4_CONFIG,
                                           NMActiveConnectionPrivate,
                                           property_o[PROPERTY_O_IDX_IP4_CONFIG],
                                           nm_ip4_config_get_type),
        NML_DBUS_META_PROPERTY_INIT_O_PROP("Ip6Config",
                                           PROP_IP6_CONFIG,
                                           NMActiveConnectionPrivate,
                                           property_o[PROPERTY_O_IDX_IP6_CONFIG],
                                           nm_ip6_config_get_type),
        NML_DBUS_META_PROPERTY_INIT_O_PROP("Master",
                                           PROP_MASTER,
                                           NMActiveConnectionPrivate,
                                           property_o[PROPERTY_O_IDX_MASTER],
                                           nm_device_get_type),
        NML_DBUS_META_PROPERTY_INIT_O("SpecificObject",
                                      PROP_SPECIFIC_OBJECT_PATH,
                                      NMActiveConnectionPrivate,
                                      specific_object_path),
        NML_DBUS_META_PROPERTY_INIT_U("State", PROP_STATE, NMActiveConnectionPrivate, state),
        NML_DBUS_META_PROPERTY_INIT_U("StateFlags",
                                      PROP_STATE_FLAGS,
                                      NMActiveConnectionPrivate,
                                      state_flags),
        NML_DBUS_META_PROPERTY_INIT_S("Type", PROP_TYPE, NMActiveConnectionPrivate, type),
        NML_DBUS_META_PROPERTY_INIT_S("Uuid", PROP_UUID, NMActiveConnectionPrivate, uuid),
        NML_DBUS_META_PROPERTY_INIT_B("Vpn", PROP_VPN, NMActiveConnectionPrivate, is_vpn), ),
    .base_struct_offset = G_STRUCT_OFFSET(NMActiveConnection, _priv), );

static void
nm_active_connection_class_init(NMActiveConnectionClass *klass)
{
    GObjectClass * object_class    = G_OBJECT_CLASS(klass);
    NMObjectClass *nm_object_class = NM_OBJECT_CLASS(klass);

    g_type_class_add_private(klass, sizeof(NMActiveConnectionPrivate));

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

    nm_object_class->is_ready = is_ready;

    _NM_OBJECT_CLASS_INIT_PRIV_PTR_INDIRECT(nm_object_class, NMActiveConnection);

    _NM_OBJECT_CLASS_INIT_PROPERTY_O_FIELDS_N(nm_object_class,
                                              NMActiveConnectionPrivate,
                                              property_o);
    _NM_OBJECT_CLASS_INIT_PROPERTY_AO_FIELDS_1(nm_object_class, NMActiveConnectionPrivate, devices);

    /**
     * NMActiveConnection:connection:
     *
     * The connection that this is an active instance of.
     **/
    obj_properties[PROP_CONNECTION] =
        g_param_spec_object(NM_ACTIVE_CONNECTION_CONNECTION,
                            "",
                            "",
                            NM_TYPE_REMOTE_CONNECTION,
                            G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);

    /**
     * NMActiveConnection:id:
     *
     * The active connection's ID
     **/
    obj_properties[PROP_ID] = g_param_spec_string(NM_ACTIVE_CONNECTION_ID,
                                                  "",
                                                  "",
                                                  NULL,
                                                  G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);

    /**
     * NMActiveConnection:uuid:
     *
     * The active connection's UUID
     **/
    obj_properties[PROP_UUID] = g_param_spec_string(NM_ACTIVE_CONNECTION_UUID,
                                                    "",
                                                    "",
                                                    NULL,
                                                    G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);

    /**
     * NMActiveConnection:type:
     *
     * The active connection's type
     **/
    obj_properties[PROP_TYPE] = g_param_spec_string(NM_ACTIVE_CONNECTION_TYPE,
                                                    "",
                                                    "",
                                                    NULL,
                                                    G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);

    /**
     * NMActiveConnection:specific-object-path:
     *
     * The path to the "specific object" of the active connection; see
     * nm_active_connection_get_specific_object_path() for more details.
     **/
    obj_properties[PROP_SPECIFIC_OBJECT_PATH] =
        g_param_spec_string(NM_ACTIVE_CONNECTION_SPECIFIC_OBJECT_PATH,
                            "",
                            "",
                            NULL,
                            G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);

    /**
     * NMActiveConnection:devices: (type GPtrArray(NMDevice))
     *
     * The devices of the active connection.
     **/
    obj_properties[PROP_DEVICES] = g_param_spec_boxed(NM_ACTIVE_CONNECTION_DEVICES,
                                                      "",
                                                      "",
                                                      G_TYPE_PTR_ARRAY,
                                                      G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);

    /**
     * NMActiveConnection:state:
     *
     * The state of the active connection.
     **/
    obj_properties[PROP_STATE] = g_param_spec_enum(NM_ACTIVE_CONNECTION_STATE,
                                                   "",
                                                   "",
                                                   NM_TYPE_ACTIVE_CONNECTION_STATE,
                                                   NM_ACTIVE_CONNECTION_STATE_UNKNOWN,
                                                   G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);

    /**
     * NMActiveConnection:state-flags:
     *
     * The state flags of the active connection.
     *
     * Since: 1.10
     **/
    obj_properties[PROP_STATE_FLAGS] = g_param_spec_uint(NM_ACTIVE_CONNECTION_STATE_FLAGS,
                                                         "",
                                                         "",
                                                         0,
                                                         G_MAXUINT32,
                                                         NM_ACTIVATION_STATE_FLAG_NONE,
                                                         G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);

    /**
     * NMActiveConnection:default:
     *
     * Whether the active connection is the default IPv4 one.
     **/
    obj_properties[PROP_DEFAULT] = g_param_spec_boolean(NM_ACTIVE_CONNECTION_DEFAULT,
                                                        "",
                                                        "",
                                                        FALSE,
                                                        G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);

    /**
     * NMActiveConnection:ip4-config:
     *
     * The IPv4 #NMIPConfig of the connection.
     **/
    obj_properties[PROP_IP4_CONFIG] =
        g_param_spec_object(NM_ACTIVE_CONNECTION_IP4_CONFIG,
                            "",
                            "",
                            NM_TYPE_IP_CONFIG,
                            G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);

    /**
     * NMActiveConnection:dhcp4-config:
     *
     * The IPv4 #NMDhcpConfig of the connection.
     **/
    obj_properties[PROP_DHCP4_CONFIG] =
        g_param_spec_object(NM_ACTIVE_CONNECTION_DHCP4_CONFIG,
                            "",
                            "",
                            NM_TYPE_DHCP_CONFIG,
                            G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);

    /**
     * NMActiveConnection:default6:
     *
     * Whether the active connection is the default IPv6 one.
     **/
    obj_properties[PROP_DEFAULT6] = g_param_spec_boolean(NM_ACTIVE_CONNECTION_DEFAULT6,
                                                         "",
                                                         "",
                                                         FALSE,
                                                         G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);

    /**
     * NMActiveConnection:ip6-config:
     *
     * The IPv6 #NMIPConfig of the connection.
     **/
    obj_properties[PROP_IP6_CONFIG] =
        g_param_spec_object(NM_ACTIVE_CONNECTION_IP6_CONFIG,
                            "",
                            "",
                            NM_TYPE_IP_CONFIG,
                            G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);

    /**
     * NMActiveConnection:dhcp6-config:
     *
     * The IPv6 #NMDhcpConfig of the connection.
     **/
    obj_properties[PROP_DHCP6_CONFIG] =
        g_param_spec_object(NM_ACTIVE_CONNECTION_DHCP6_CONFIG,
                            "",
                            "",
                            NM_TYPE_DHCP_CONFIG,
                            G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);

    /**
     * NMActiveConnection:vpn:
     *
     * Whether the active connection is a VPN connection.
     **/
    obj_properties[PROP_VPN] = g_param_spec_boolean(NM_ACTIVE_CONNECTION_VPN,
                                                    "",
                                                    "",
                                                    FALSE,
                                                    G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);

    /**
     * NMActiveConnection:master:
     *
     * The master device if one exists.
     **/
    obj_properties[PROP_MASTER] = g_param_spec_object(NM_ACTIVE_CONNECTION_MASTER,
                                                      "",
                                                      "",
                                                      NM_TYPE_DEVICE,
                                                      G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);

    _nml_dbus_meta_class_init_with_properties(object_class,
                                              &_nml_dbus_meta_iface_nm_connection_active);

    /* TODO: the state reason should also be exposed as a property in libnm's NMActiveConnection,
     * like done for NMDevice's state reason. */

    /* TODO: the D-Bus API should also expose the state-reason as a property instead of
     * a "StateChanged" signal. Like done for Device's "StateReason".  */

    /**
     * NMActiveConnection::state-changed:
     * @active_connection: the source #NMActiveConnection
     * @state: the new state number (#NMActiveConnectionState)
     * @reason: the state change reason (#NMActiveConnectionStateReason)
     */
    signals[STATE_CHANGED] = g_signal_new("state-changed",
                                          G_OBJECT_CLASS_TYPE(object_class),
                                          G_SIGNAL_RUN_FIRST,
                                          0,
                                          NULL,
                                          NULL,
                                          NULL,
                                          G_TYPE_NONE,
                                          2,
                                          G_TYPE_UINT,
                                          G_TYPE_UINT);
}
