C++ NM_SUPPLICANT_INTERFACE_GET_PRIVATE函数代码示例

const char *
nm_supplicant_interface_get_ifname (NMSupplicantInterface *self)
{
	g_return_val_if_fail (NM_IS_SUPPLICANT_INTERFACE (self), NULL);

	return NM_SUPPLICANT_INTERFACE_GET_PRIVATE (self)->dev;
}

static void
interface_add (NMSupplicantInterface *self, gboolean is_wireless)
{
	NMSupplicantInterfacePrivate *priv = NM_SUPPLICANT_INTERFACE_GET_PRIVATE (self);

	/* Can only start the interface from INIT state */
	g_return_if_fail (priv->state == NM_SUPPLICANT_INTERFACE_STATE_INIT);

	nm_log_dbg (LOGD_SUPPLICANT, "(%s): adding interface to supplicant", priv->dev);

	priv->is_wireless = is_wireless;

	/* Move to starting to prevent double-calls of interface_add() */
	set_state (self, NM_SUPPLICANT_INTERFACE_STATE_STARTING);

	g_warn_if_fail (priv->init_cancellable == NULL);
	g_clear_object (&priv->init_cancellable);
	priv->init_cancellable = g_cancellable_new ();

	g_dbus_proxy_new_for_bus (G_BUS_TYPE_SYSTEM,
	                          G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES |
	                            G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS,
	                          NULL,
	                          WPAS_DBUS_SERVICE,
	                          WPAS_DBUS_PATH,
	                          WPAS_DBUS_INTERFACE,
	                          priv->init_cancellable,
	                          (GAsyncReadyCallback) on_wpas_proxy_acquired,
	                          self);
}

static void
set_ap_scan_cb (DBusGProxy *proxy, DBusGProxyCall *call_id, gpointer user_data)
{
	NMSupplicantInfo *info = (NMSupplicantInfo *) user_data;
	NMSupplicantInterfacePrivate *priv = NM_SUPPLICANT_INTERFACE_GET_PRIVATE (info->interface);
	GError *err = NULL;
	DBusGProxyCall *call;
	GHashTable *config_hash;

	if (!dbus_g_proxy_end_call (proxy, call_id, &err, G_TYPE_INVALID)) {
		nm_log_warn (LOGD_SUPPLICANT, "Couldn't send AP scan mode to the supplicant interface: %s.",
		             err->message);
		emit_error_helper (info->interface, err);
		g_error_free (err);
		return;
	}

	nm_log_info (LOGD_SUPPLICANT, "Config: set interface ap_scan to %d",
	             nm_supplicant_config_get_ap_scan (priv->cfg));

	info = nm_supplicant_info_new (info->interface, priv->iface_proxy, info->store);
	config_hash = nm_supplicant_config_get_hash (priv->cfg);
	call = dbus_g_proxy_begin_call (priv->iface_proxy, "AddNetwork",
	                                add_network_cb,
	                                info,
	                                nm_supplicant_info_destroy,
	                                DBUS_TYPE_G_MAP_OF_VARIANT, config_hash,
	                                G_TYPE_INVALID);
	g_hash_table_destroy (config_hash);
	nm_supplicant_info_set_call (info, call);
}

static void
request_bss_properties (NMSupplicantInterface *self,
                        GPtrArray *paths)
{
	NMSupplicantInterfacePrivate *priv = NM_SUPPLICANT_INTERFACE_GET_PRIVATE (self);
	int i;

	/* Fire off a "properties" call for each returned BSSID */
	for (i = 0; i < paths->len; i++) {
		NMSupplicantInfo *info;
		DBusGProxy *proxy;
		DBusGProxyCall *call;

		proxy = dbus_g_proxy_new_for_name (nm_dbus_manager_get_connection (priv->dbus_mgr),
			                               WPAS_DBUS_SERVICE,
			                               g_ptr_array_index (paths, i),
			                               DBUS_INTERFACE_PROPERTIES);
		info = nm_supplicant_info_new (self, proxy, priv->other_pcalls);
		call = dbus_g_proxy_begin_call (proxy, "GetAll",
			                            bssid_properties_cb,
			                            info,
			                            nm_supplicant_info_destroy,
			                            G_TYPE_STRING, WPAS_DBUS_IFACE_BSS,
			                            G_TYPE_INVALID);
		nm_supplicant_info_set_call (info, call);
		g_object_unref (proxy);
	}
}

NMSupplicantInterface *
nm_supplicant_interface_new (NMSupplicantManager *smgr,
                             const char *ifname,
                             gboolean is_wireless,
                             gboolean start_now)
{
	NMSupplicantInterface *self;
	NMSupplicantInterfacePrivate *priv;
	guint id;

	g_return_val_if_fail (NM_IS_SUPPLICANT_MANAGER (smgr), NULL);
	g_return_val_if_fail (ifname != NULL, NULL);

	self = g_object_new (NM_TYPE_SUPPLICANT_INTERFACE, NULL);
	if (self) {
		priv = NM_SUPPLICANT_INTERFACE_GET_PRIVATE (self);

		priv->smgr = g_object_ref (smgr);
		id = g_signal_connect (priv->smgr,
		                       "notify::" NM_SUPPLICANT_MANAGER_AVAILABLE,
		                       G_CALLBACK (smgr_avail_cb),
		                       self);
		priv->smgr_avail_id = id;

		priv->dev = g_strdup (ifname);
		priv->is_wireless = is_wireless;

		if (start_now)
			interface_add (self, priv->is_wireless);
	}

	return self;
}

gboolean
nm_supplicant_interface_request_scan (NMSupplicantInterface * self)
{
	NMSupplicantInterfacePrivate *priv;
	NMSupplicantInfo *info;
	DBusGProxyCall *call;
	GHashTable *hash;

	g_return_val_if_fail (NM_IS_SUPPLICANT_INTERFACE (self), FALSE);

	priv = NM_SUPPLICANT_INTERFACE_GET_PRIVATE (self);

	/* Scan parameters */
	hash = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, destroy_gvalue);
	g_hash_table_insert (hash, "Type", string_to_gvalue ("active"));

	info = nm_supplicant_info_new (self, priv->iface_proxy, priv->other_pcalls);
	call = dbus_g_proxy_begin_call (priv->iface_proxy, "Scan",
	                                scan_request_cb,
	                                info,
	                                nm_supplicant_info_destroy,
	                                DBUS_TYPE_G_MAP_OF_VARIANT, hash,
	                                G_TYPE_INVALID);
	g_hash_table_destroy (hash);
	nm_supplicant_info_set_call (info, call);

	return call != NULL;
}

NMSupplicantInterface *
nm_supplicant_interface_new (const char *ifname,
                             gboolean is_wireless,
                             gboolean fast_supported,
                             ApSupport ap_support,
                             gboolean start_now)
{
	NMSupplicantInterface *self;
	NMSupplicantInterfacePrivate *priv;

	g_return_val_if_fail (ifname != NULL, NULL);

	self = g_object_new (NM_TYPE_SUPPLICANT_INTERFACE, NULL);
	priv = NM_SUPPLICANT_INTERFACE_GET_PRIVATE (self);

	priv->dev = g_strdup (ifname);
	priv->is_wireless = is_wireless;
	priv->fast_supported = fast_supported;
	priv->ap_support = ap_support;

	if (start_now)
		interface_add (self, priv->is_wireless);

	return self;
}

static void
iface_check_netreply_cb (GDBusProxy *proxy, GAsyncResult *result, gpointer user_data)
{
	NMSupplicantInterface *self;
	NMSupplicantInterfacePrivate *priv;
	gs_unref_variant GVariant *variant = NULL;
	gs_free_error GError *error = NULL;

	/* We know NetworkReply is supported if the NetworkReply method returned
	 * successfully (which is unexpected since we sent a bogus network
	 * object path) or if we got an "InvalidArgs" (which indicates NetworkReply
	 * is supported).  We know it's not supported if we get an
	 * "UnknownMethod" error.
	 */

	variant = g_dbus_proxy_call_finish (proxy, result, &error);
	if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
		return;

	self = NM_SUPPLICANT_INTERFACE (user_data);
	priv = NM_SUPPLICANT_INTERFACE_GET_PRIVATE (self);

	if (variant || _nm_dbus_error_has_name (error, "fi.w1.wpa_supplicant1.InvalidArgs"))
		priv->has_credreq = TRUE;

	nm_log_dbg (LOGD_SUPPLICANT, "Supplicant %s network credentials requests",
	            priv->has_credreq ? "supports" : "does not support");

	iface_check_ready (self);
}

static void
interface_get_cb (GDBusProxy *proxy, GAsyncResult *result, gpointer user_data)
{
	NMSupplicantInterface *self;
	NMSupplicantInterfacePrivate *priv;
	gs_unref_variant GVariant *variant = NULL;
	gs_free_error GError *error = NULL;
	const char *path;

	variant = _nm_dbus_proxy_call_finish (proxy, result,
	                                      G_VARIANT_TYPE ("(o)"),
	                                      &error);
	if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
		return;

	self = NM_SUPPLICANT_INTERFACE (user_data);
	priv = NM_SUPPLICANT_INTERFACE_GET_PRIVATE (self);

	if (variant) {
		g_variant_get (variant, "(&o)", &path);
		interface_add_done (self, path);
	} else {
		g_dbus_error_strip_remote_error (error);
		nm_log_err (LOGD_SUPPLICANT, "(%s): error getting interface: %s", priv->dev, error->message);
		set_state (self, NM_SUPPLICANT_INTERFACE_STATE_DOWN);
	}
}

gboolean
nm_supplicant_interface_credentials_reply (NMSupplicantInterface *self,
                                           const char *field,
                                           const char *value,
                                           GError **error)
{
	NMSupplicantInterfacePrivate *priv;
	gs_unref_variant GVariant *reply = NULL;

	g_return_val_if_fail (NM_IS_SUPPLICANT_INTERFACE (self), FALSE);
	g_return_val_if_fail (field != NULL, FALSE);
	g_return_val_if_fail (value != NULL, FALSE);

	priv = NM_SUPPLICANT_INTERFACE_GET_PRIVATE (self);
	g_return_val_if_fail (priv->has_credreq == TRUE, FALSE);

	/* Need a network block object path */
	g_return_val_if_fail (priv->net_path, FALSE);
	reply = g_dbus_proxy_call_sync (priv->iface_proxy,
	                                "NetworkReply",
	                                g_variant_new ("(oss)",
	                                               priv->net_path,
	                                               field,
	                                               value),
	                                G_DBUS_CALL_FLAGS_NONE,
	                                5000,
	                                NULL,
	                                error);
	if (error && *error)
		g_dbus_error_strip_remote_error (*error);

	return !!reply;
}

static void
set_ap_scan_cb (GDBusProxy *proxy, GAsyncResult *result, gpointer user_data)
{
	NMSupplicantInterface *self;
	NMSupplicantInterfacePrivate *priv;
	gs_unref_variant GVariant *reply = NULL;
	gs_free_error GError *error = NULL;

	reply = g_dbus_proxy_call_finish (proxy, result, &error);
	if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
		return;

	self = NM_SUPPLICANT_INTERFACE (user_data);
	priv = NM_SUPPLICANT_INTERFACE_GET_PRIVATE (self);

	if (!reply) {
		g_dbus_error_strip_remote_error (error);
		nm_log_warn (LOGD_SUPPLICANT, "Couldn't send AP scan mode to the supplicant interface: %s.",
		             error->message);
		emit_error_helper (self, error);
		return;
	}

	nm_log_info (LOGD_SUPPLICANT, "Config: set interface ap_scan to %d",
	             nm_supplicant_config_get_ap_scan (priv->cfg));

	g_dbus_proxy_call (priv->iface_proxy,
	                   "AddNetwork",
	                   g_variant_new ("(@a{sv})", nm_supplicant_config_to_variant (priv->cfg)),
	                   G_DBUS_CALL_FLAGS_NONE,
	                   -1,
	                   priv->assoc_cancellable,
	                   (GAsyncReadyCallback) add_network_cb,
	                   self);
}

static void
parse_capabilities (NMSupplicantInterface *self, GVariant *capabilities)
{
	NMSupplicantInterfacePrivate *priv = NM_SUPPLICANT_INTERFACE_GET_PRIVATE (self);
	gboolean have_active = FALSE, have_ssid = FALSE;
	gint32 max_scan_ssids = -1;
	const char **array;

	g_return_if_fail (capabilities && g_variant_is_of_type (capabilities, G_VARIANT_TYPE_VARDICT));

	if (g_variant_lookup (capabilities, "Scan", "^a&s", &array)) {
		if (_nm_utils_string_in_list ("active", array))
			have_active = TRUE;
		if (_nm_utils_string_in_list ("ssid", array))
			have_ssid = TRUE;
		g_free (array);
	}

	if (g_variant_lookup (capabilities, "MaxScanSSID", "i", &max_scan_ssids)) {
		/* We need active scan and SSID probe capabilities to care about MaxScanSSIDs */
		if (max_scan_ssids > 0 && have_active && have_ssid) {
			/* wpa_supplicant's WPAS_MAX_SCAN_SSIDS value is 16, but for speed
			 * and to ensure we don't disclose too many SSIDs from the hidden
			 * list, we'll limit to 5.
			 */
			priv->max_scan_ssids = CLAMP (max_scan_ssids, 0, 5);
			nm_log_info (LOGD_SUPPLICANT, "(%s) supports %d scan SSIDs",
				         priv->dev, priv->max_scan_ssids);
		}
	}
}

static void
dispose (GObject *object)
{
	NMSupplicantInterfacePrivate *priv = NM_SUPPLICANT_INTERFACE_GET_PRIVATE (object);

	if (priv->iface_proxy)
		g_signal_handlers_disconnect_by_data (priv->iface_proxy, NM_SUPPLICANT_INTERFACE (object));
	g_clear_object (&priv->iface_proxy);

	if (priv->init_cancellable)
		g_cancellable_cancel (priv->init_cancellable);
	g_clear_object (&priv->init_cancellable);

	if (priv->other_cancellable)
		g_cancellable_cancel (priv->other_cancellable);
	g_clear_object (&priv->other_cancellable);

	g_clear_object (&priv->wpas_proxy);
	g_clear_pointer (&priv->bss_proxies, (GDestroyNotify) g_hash_table_destroy);

	g_clear_pointer (&priv->net_path, g_free);
	g_clear_pointer (&priv->dev, g_free);
	g_clear_pointer (&priv->object_path, g_free);
	g_clear_pointer (&priv->current_bss, g_free);

	g_clear_object (&priv->cfg);

	/* Chain up to the parent class */
	G_OBJECT_CLASS (nm_supplicant_interface_parent_class)->dispose (object);
}

static void
handle_new_bss (NMSupplicantInterface *self, const char *object_path)
{
	NMSupplicantInterfacePrivate *priv = NM_SUPPLICANT_INTERFACE_GET_PRIVATE (self);
	GDBusProxy *bss_proxy;

	g_return_if_fail (object_path != NULL);

	if (g_hash_table_lookup (priv->bss_proxies, object_path))
		return;

	bss_proxy = g_object_new (G_TYPE_DBUS_PROXY,
	                          "g-bus-type", G_BUS_TYPE_SYSTEM,
	                          "g-flags", G_DBUS_PROXY_FLAGS_NONE,
	                          "g-name", WPAS_DBUS_SERVICE,
	                          "g-object-path", object_path,
	                          "g-interface-name", WPAS_DBUS_IFACE_BSS,
	                          NULL);
	g_hash_table_insert (priv->bss_proxies,
	                     (char *) g_dbus_proxy_get_object_path (bss_proxy),
	                     bss_proxy);
	g_signal_connect (bss_proxy, "g-properties-changed", G_CALLBACK (bss_props_changed_cb), self);
	g_async_initable_init_async (G_ASYNC_INITABLE (bss_proxy),
	                             G_PRIORITY_DEFAULT,
	                             priv->other_cancellable,
	                             (GAsyncReadyCallback) on_bss_proxy_acquired,
	                             self);
}

guint
nm_supplicant_interface_get_max_scan_ssids (NMSupplicantInterface *self)
{
	g_return_val_if_fail (NM_IS_SUPPLICANT_INTERFACE (self), 0);

	return NM_SUPPLICANT_INTERFACE_GET_PRIVATE (self)->max_scan_ssids;
}