/**
* priv->address can only be set one to a certain (non NULL) value. Every later attempt
* to reset it to another value will be ignored and a warning will be logged.
**/
static void
_set_property_address (NMBluezDevice *self, const char *addr)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
if (g_strcmp0 (priv->address, addr) == 0)
return;
if (!addr) {
nm_log_warn (LOGD_BT, "bluez[%s] cannot reset address from '%s' to NULL", priv->path, priv->address);
return;
}
if (priv->address != NULL) {
nm_log_warn (LOGD_BT, "bluez[%s] cannot reset address from '%s' to '%s'", priv->path, priv->address, addr);
return;
}
if (!nm_utils_hwaddr_valid (addr, ETH_ALEN)) {
nm_log_warn (LOGD_BT, "bluez[%s] cannot set address to '%s' (invalid value)", priv->path, addr);
return;
}
priv->address = g_strdup (addr);
g_object_notify (G_OBJECT (self), NM_BLUEZ_DEVICE_ADDRESS);
}
gint
nm_bluez_device_get_rssi (NMBluezDevice *self)
{
g_return_val_if_fail (NM_IS_BLUEZ_DEVICE (self), 0);
return NM_BLUEZ_DEVICE_GET_PRIVATE (self)->rssi;
}
static gboolean
connection_compatible (NMBluezDevice *self, NMConnection *connection)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
NMSettingBluetooth *s_bt;
const char *bt_type;
const char *bdaddr;
if (!nm_connection_is_type (connection, NM_SETTING_BLUETOOTH_SETTING_NAME))
return FALSE;
s_bt = nm_connection_get_setting_bluetooth (connection);
if (!s_bt)
return FALSE;
if (!priv->address)
return FALSE;
bdaddr = nm_setting_bluetooth_get_bdaddr (s_bt);
if (!bdaddr)
return FALSE;
if (!nm_utils_hwaddr_matches (bdaddr, -1, priv->address, -1))
return FALSE;
bt_type = nm_setting_bluetooth_get_connection_type (s_bt);
if ( g_str_equal (bt_type, NM_SETTING_BLUETOOTH_TYPE_DUN)
&& !(priv->capabilities & NM_BT_CAPABILITY_DUN))
return FALSE;
if ( g_str_equal (bt_type, NM_SETTING_BLUETOOTH_TYPE_PANU)
&& !(priv->capabilities & NM_BT_CAPABILITY_NAP))
return FALSE;
return TRUE;
}
static void
get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (object);
switch (prop_id) {
case PROP_PATH:
g_value_set_string (value, priv->path);
break;
case PROP_ADDRESS:
g_value_set_string (value, priv->address);
break;
case PROP_NAME:
g_value_set_string (value, priv->name);
break;
case PROP_CAPABILITIES:
g_value_set_uint (value, priv->capabilities);
break;
case PROP_RSSI:
g_value_set_int (value, priv->rssi);
break;
case PROP_USABLE:
g_value_set_boolean (value, priv->usable);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
on_proxy_acquired (GObject *object, GAsyncResult *res, NMBluezDevice *self)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
GError *error = NULL;
priv->proxy = g_dbus_proxy_new_for_bus_finish (res, &error);
if (!priv->proxy) {
nm_log_warn (LOGD_BT, "bluez[%s] failed to acquire device proxy: %s.", priv->path, error->message);
g_clear_error (&error);
g_signal_emit (self, signals[INITIALIZED], 0, FALSE);
} else {
g_signal_connect (priv->proxy, "g-properties-changed",
G_CALLBACK (properties_changed), self);
if (priv->bluez_version == 4) {
/* Watch for custom Bluez4 PropertyChanged signals */
g_signal_connect (priv->proxy, "g-signal",
G_CALLBACK (bluez4_property_changed), self);
}
query_properties (self);
}
g_object_unref (self);
}
static void
bluez_connect_cb (GDBusConnection *dbus_connection,
GAsyncResult *res,
gpointer user_data)
{
GSimpleAsyncResult *result = G_SIMPLE_ASYNC_RESULT (user_data);
GObject *result_object = g_async_result_get_source_object (G_ASYNC_RESULT (result));
NMBluezDevice *self = NM_BLUEZ_DEVICE (result_object);
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
GError *error = NULL;
char *device;
GVariant *variant;
variant = g_dbus_connection_call_finish (dbus_connection, res, &error);
if (!variant) {
g_simple_async_result_take_error (result, error);
} else {
g_variant_get (variant, "(s)", &device);
g_simple_async_result_set_op_res_gpointer (result,
g_strdup (device),
g_free);
priv->bt_iface = device;
g_variant_unref (variant);
}
g_simple_async_result_complete (result);
g_object_unref (result);
g_object_unref (result_object);
}
guint32
nm_bluez_device_get_capabilities (NMBluezDevice *self)
{
g_return_val_if_fail (NM_IS_BLUEZ_DEVICE (self), 0);
return NM_BLUEZ_DEVICE_GET_PRIVATE (self)->capabilities;
}
const char *
nm_bluez_device_get_address (NMBluezDevice *self)
{
g_return_val_if_fail (NM_IS_BLUEZ_DEVICE (self), NULL);
return NM_BLUEZ_DEVICE_GET_PRIVATE (self)->address;
}
gboolean
nm_bluez_device_get_initialized (NMBluezDevice *self)
{
g_return_val_if_fail (NM_IS_BLUEZ_DEVICE (self), FALSE);
return NM_BLUEZ_DEVICE_GET_PRIVATE (self)->initialized;
}
static void
adapter5_on_acquired (GObject *object, GAsyncResult *res, NMBluezDevice *self)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
GError *error;
GVariant *v;
priv->adapter5 = g_dbus_proxy_new_for_bus_finish (res, &error);
if (!priv->adapter5) {
nm_log_warn (LOGD_BT, "bluez[%s] failed to acquire adapter proxy: %s.", priv->path, error->message);
g_clear_error (&error);
g_signal_emit (self, signals[INITIALIZED], 0, FALSE);
} else {
g_signal_connect (priv->adapter5, "g-properties-changed",
G_CALLBACK (adapter5_on_properties_changed), self);
/* Check adapter's powered state */
v = g_dbus_proxy_get_cached_property (priv->adapter5, "Powered");
priv->adapter_powered = VARIANT_IS_OF_TYPE_BOOLEAN (v) ? g_variant_get_boolean (v) : FALSE;
if (v)
g_variant_unref (v);
priv->initialized = TRUE;
g_signal_emit (self, signals[INITIALIZED], 0, TRUE);
check_emit_usable (self);
}
g_object_unref (self);
}
gboolean
nm_bluez_device_get_usable (NMBluezDevice *self)
{
g_return_val_if_fail (NM_IS_BLUEZ_DEVICE (self), FALSE);
return NM_BLUEZ_DEVICE_GET_PRIVATE (self)->usable;
}
static void
load_connections (NMBluezDevice *self)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
const GSList *connections, *iter;
connections = nm_connection_provider_get_connections (priv->provider);
for (iter = connections; iter; iter = g_slist_next (iter))
cp_connection_added (priv->provider, NM_CONNECTION (iter->data), self);
}
static void
_internal_add_connection (NMBluezDevice *self, NMConnection *connection)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
if (!g_slist_find (priv->connections, connection)) {
priv->connections = g_slist_prepend (priv->connections, g_object_ref (connection));
check_emit_usable (self);
}
}
static void
finalize (GObject *object)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (object);
g_free (priv->path);
g_free (priv->address);
g_free (priv->name);
g_object_unref (priv->proxy);
G_OBJECT_CLASS (nm_bluez_device_parent_class)->finalize (object);
}
static void
query_properties (NMBluezDevice *self)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
DBusGProxyCall *call;
call = dbus_g_proxy_begin_call (priv->proxy, "GetProperties",
get_properties_cb,
self,
NULL, G_TYPE_INVALID);
if (!call) {
nm_log_warn (LOGD_BT, "failed to request Bluetooth device properties for %s.",
priv->path);
}
}
static void
set_property (GObject *object, guint prop_id,
const GValue *value, GParamSpec *pspec)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (object);
switch (prop_id) {
case PROP_PATH:
/* construct only */
priv->path = g_value_dup_string (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
_take_variant_property_connected (NMBluezDevice *self, GVariant *v)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
if (VARIANT_IS_OF_TYPE_BOOLEAN (v)) {
gboolean connected = g_variant_get_boolean (v);
if (priv->connected != connected) {
priv->connected = connected;
g_object_notify (G_OBJECT (self), NM_BLUEZ_DEVICE_CONNECTED);
}
}
if (v)
g_variant_unref (v);
}
static void
_take_variant_property_name (NMBluezDevice *self, GVariant *v)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
const char *str;
if (VARIANT_IS_OF_TYPE_STRING (v)) {
str = g_variant_get_string (v, NULL);
if (g_strcmp0 (priv->name, str)) {
g_free (priv->name);
priv->name = g_strdup (str);
g_object_notify (G_OBJECT (self), NM_BLUEZ_DEVICE_NAME);
}
}
if (v)
g_variant_unref (v);
}
static void
on_bus_acquired (GObject *object, GAsyncResult *res, NMBluezDevice *self)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
GError *error = NULL;
priv->dbus_connection = g_bus_get_finish (res, &error);
if (!priv->dbus_connection) {
nm_log_warn (LOGD_BT, "bluez[%s] failed to acquire bus connection: %s.", priv->path, error->message);
g_clear_error (&error);
g_signal_emit (self, signals[INITIALIZED], 0, FALSE);
} else
check_emit_usable (self);
g_object_unref (self);
}
static void
cp_connection_removed (NMConnectionProvider *provider,
NMConnection *connection,
NMBluezDevice *self)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
if (g_slist_find (priv->connections, connection)) {
priv->connections = g_slist_remove (priv->connections, connection);
if (priv->pan_connection == connection) {
priv->pan_connection = NULL;
g_clear_object (&priv->pan_connection_original);
}
g_object_unref (connection);
check_emit_usable (self);
}
}
static void
finalize (GObject *object)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (object);
nm_log_dbg (LOGD_BT, "bluez[%s]: finalize NMBluezDevice", priv->path);
g_free (priv->path);
g_free (priv->address);
g_free (priv->name);
g_free (priv->bt_iface);
if (priv->proxy)
g_signal_handlers_disconnect_by_data (priv->proxy, object);
g_clear_object (&priv->proxy);
G_OBJECT_CLASS (nm_bluez_device_parent_class)->finalize (object);
}
void
nm_bluez_device_connect_async (NMBluezDevice *self,
NMBluetoothCapabilities connection_bt_type,
GAsyncReadyCallback callback,
gpointer user_data)
{
GSimpleAsyncResult *simple;
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
const char *dbus_iface;
const char *connect_type = BLUETOOTH_CONNECT_NAP;
g_return_if_fail (priv->capabilities & connection_bt_type & (NM_BT_CAPABILITY_DUN | NM_BT_CAPABILITY_NAP));
if (priv->bluez_version == 5) {
g_return_if_fail (connection_bt_type == NM_BT_CAPABILITY_NAP);
dbus_iface = BLUEZ5_NETWORK_INTERFACE;
} else if (priv->bluez_version == 4 && connection_bt_type == NM_BT_CAPABILITY_DUN) {
dbus_iface = BLUEZ4_SERIAL_INTERFACE;
connect_type = BLUETOOTH_CONNECT_DUN;
} else {
g_return_if_fail (priv->bluez_version == 4 && connection_bt_type == NM_BT_CAPABILITY_NAP);
dbus_iface = BLUEZ4_NETWORK_INTERFACE;
}
simple = g_simple_async_result_new (G_OBJECT (self),
callback,
user_data,
nm_bluez_device_connect_async);
g_dbus_connection_call (priv->dbus_connection,
BLUEZ_SERVICE,
priv->path,
dbus_iface,
"Connect",
g_variant_new ("(s)", connect_type),
NULL,
G_DBUS_CALL_FLAGS_NONE,
20000,
NULL,
(GAsyncReadyCallback) bluez_connect_cb,
simple);
priv->connection_bt_type = connection_bt_type;
}
static void
query_properties (NMBluezDevice *self)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
GVariant *v;
switch (priv->bluez_version) {
case 4:
g_dbus_proxy_call (priv->proxy, "GetProperties", NULL, G_DBUS_CALL_FLAGS_NO_AUTO_START, 3000,
NULL, get_properties_cb_4, g_object_ref (self));
break;
case 5:
g_object_freeze_notify (G_OBJECT (self));
_take_variant_property_address (self, g_dbus_proxy_get_cached_property (priv->proxy, "Address"));
_take_variant_property_connected (self, g_dbus_proxy_get_cached_property (priv->proxy, "Connected"));
_take_variant_property_name (self, g_dbus_proxy_get_cached_property (priv->proxy, "Name"));
_take_variant_property_uuids (self, g_dbus_proxy_get_cached_property (priv->proxy, "UUIDs"));
g_object_thaw_notify (G_OBJECT (self));
v = g_dbus_proxy_get_cached_property (priv->proxy, "Adapter");
if (VARIANT_IS_OF_TYPE_OBJECT_PATH (v)) {
g_dbus_proxy_new_for_bus (G_BUS_TYPE_SYSTEM,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
BLUEZ_SERVICE,
g_variant_get_string (v, NULL),
BLUEZ5_ADAPTER_INTERFACE,
NULL,
(GAsyncReadyCallback) adapter5_on_acquired,
g_object_ref (self));
g_variant_unref (v);
} else {
/* If the Adapter property is unset at this point, we won't try to acquire the adapter later on
* and the device stays unusable. This should not happen, but if it does, log a debug message. */
nm_log_dbg (LOGD_BT, "bluez[%s] device has no adapter property and cannot be used.", priv->path);
}
/* Check if any connections match this device */
load_connections (self);
break;
}
}
static void
bluez_disconnect_cb (GDBusConnection *dbus_connection,
GAsyncResult *res,
gpointer user_data)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (user_data);
GError *error = NULL;
GVariant *variant;
variant = g_dbus_connection_call_finish (dbus_connection, res, &error);
if (!variant) {
if (!strstr (error->message, "org.bluez.Error.NotConnected"))
nm_log_warn (LOGD_BT, "bluez[%s]: failed to disconnect: %s", priv->path, error->message);
g_error_free (error);
} else
g_variant_unref (variant);
g_object_unref (NM_BLUEZ_DEVICE (user_data));
}
static void
get_properties_cb (DBusGProxy *proxy, DBusGProxyCall *call, gpointer user_data)
{
NMBluezDevice *self = NM_BLUEZ_DEVICE (user_data);
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
GHashTable *properties = NULL;
GError *err = NULL;
GValue *value;
const char **uuids;
if (!dbus_g_proxy_end_call (proxy, call, &err,
DBUS_TYPE_G_MAP_OF_VARIANT, &properties,
G_TYPE_INVALID)) {
nm_log_warn (LOGD_BT, "bluez error getting device properties: %s",
err && err->message ? err->message : "(unknown)");
g_error_free (err);
g_signal_emit (self, signals[INITIALIZED], 0, FALSE);
return;
}
value = g_hash_table_lookup (properties, "Address");
priv->address = value ? g_value_dup_string (value) : NULL;
value = g_hash_table_lookup (properties, "Name");
priv->name = value ? g_value_dup_string (value) : NULL;
value = g_hash_table_lookup (properties, "RSSI");
priv->rssi = value ? g_value_get_int (value) : 0;
value = g_hash_table_lookup (properties, "UUIDs");
if (value) {
uuids = (const char **) g_value_get_boxed (value);
priv->capabilities = convert_uuids_to_capabilities (uuids);
} else
priv->capabilities = NM_BT_CAPABILITY_NONE;
g_hash_table_unref (properties);
priv->initialized = TRUE;
g_signal_emit (self, signals[INITIALIZED], 0, TRUE);
check_emit_usable (self);
}
static void
get_properties_cb_4 (GObject *source_object, GAsyncResult *res, gpointer user_data)
{
NMBluezDevice *self = NM_BLUEZ_DEVICE (user_data);
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
GError *err = NULL;
GVariant *v_properties, *v_dict;
GVariantType *v_type;
v_properties = g_dbus_proxy_call_finish (priv->proxy, res, &err);
if (!v_properties) {
nm_log_warn (LOGD_BT, "bluez[%s] error getting device properties: %s",
priv->path, err && err->message ? err->message : "(unknown)");
g_error_free (err);
g_signal_emit (self, signals[INITIALIZED], 0, FALSE);
goto END;
}
v_type = g_variant_type_new ("(a{sv})");
if (g_variant_is_of_type (v_properties, v_type)) {
v_dict = g_variant_get_child_value (v_properties, 0);
_set_properties (self, v_dict);
g_variant_unref (v_dict);
} else {
nm_log_warn (LOGD_BT, "bluez[%s] GetProperties returns unexpected result of type %s", priv->path, g_variant_get_type_string (v_properties));
}
g_variant_type_free (v_type);
g_variant_unref (v_properties);
/* Check if any connections match this device */
load_connections (self);
priv->initialized = TRUE;
g_signal_emit (self, signals[INITIALIZED], 0, TRUE);
check_emit_usable (self);
END:
g_object_unref (self);
}
static void
check_emit_usable (NMBluezDevice *self)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
if ( priv->initialized
&& priv->capabilities
&& priv->name
&& priv->address) {
if (!priv->usable) {
priv->usable = TRUE;
g_object_notify (G_OBJECT (self), NM_BLUEZ_DEVICE_USABLE);
}
} else {
if (priv->usable) {
priv->usable = FALSE;
g_object_notify (G_OBJECT (self), NM_BLUEZ_DEVICE_USABLE);
}
}
}
void
nm_bluez_device_disconnect (NMBluezDevice *self)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
GVariant *args = NULL;
const char *dbus_iface;
g_return_if_fail (priv->dbus_connection);
if (priv->bluez_version == 5) {
g_return_if_fail (priv->connection_bt_type == NM_BT_CAPABILITY_NAP);
dbus_iface = BLUEZ5_NETWORK_INTERFACE;
} else if (priv->bluez_version == 4 && priv->connection_bt_type == NM_BT_CAPABILITY_DUN) {
/* Can't pass a NULL interface name through dbus to bluez, so just
* ignore the disconnect if the interface isn't known.
*/
if (!priv->bt_iface)
return;
args = g_variant_new ("(s)", priv->bt_iface),
dbus_iface = BLUEZ4_SERIAL_INTERFACE;
} else {
g_return_if_fail (priv->bluez_version == 4 && priv->connection_bt_type == NM_BT_CAPABILITY_NAP);
dbus_iface = BLUEZ4_NETWORK_INTERFACE;
}
g_dbus_connection_call (priv->dbus_connection,
BLUEZ_SERVICE,
priv->path,
dbus_iface,
"Disconnect",
args ? args : g_variant_new ("()"),
NULL,
G_DBUS_CALL_FLAGS_NONE,
10000,
NULL,
(GAsyncReadyCallback) bluez_disconnect_cb,
g_object_ref (self));
priv->connection_bt_type = NM_BT_CAPABILITY_NONE;
}
static void
_set_property_capabilities (NMBluezDevice *self, const char **uuids)
{
guint32 uint_val;
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
uint_val = convert_uuids_to_capabilities (uuids, priv->bluez_version);
if (priv->capabilities != uint_val) {
if (priv->capabilities) {
/* changing (relevant) capabilities is not supported and ignored -- except setting initially */
nm_log_warn (LOGD_BT, "bluez[%s] ignore change of capabilities for Bluetooth device from %u to %u",
priv->path, priv->capabilities, uint_val);
return;
}
nm_log_dbg (LOGD_BT, "bluez[%s] set capabilities for Bluetooth device: %s%s%s", priv->path,
uint_val & NM_BT_CAPABILITY_NAP ? "NAP" : "",
((uint_val & NM_BT_CAPABILITY_DUN) && (uint_val &NM_BT_CAPABILITY_NAP)) ? " | " : "",
uint_val & NM_BT_CAPABILITY_DUN ? "DUN" : "");
priv->capabilities = uint_val;
g_object_notify (G_OBJECT (self), NM_BLUEZ_DEVICE_CAPABILITIES);
}
}
NMBluezDevice *
nm_bluez_device_new (const char *path)
{
NMBluezDevice *self;
NMBluezDevicePrivate *priv;
NMDBusManager *dbus_mgr;
DBusGConnection *connection;
self = (NMBluezDevice *) g_object_new (NM_TYPE_BLUEZ_DEVICE,
NM_BLUEZ_DEVICE_PATH, path,
NULL);
if (!self)
return NULL;
priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
dbus_mgr = nm_dbus_manager_get ();
connection = nm_dbus_manager_get_connection (dbus_mgr);
priv->proxy = dbus_g_proxy_new_for_name (connection,
BLUEZ_SERVICE,
priv->path,
BLUEZ_DEVICE_INTERFACE);
g_object_unref (dbus_mgr);
dbus_g_object_register_marshaller (_nm_marshal_VOID__STRING_BOXED,
G_TYPE_NONE,
G_TYPE_STRING, G_TYPE_VALUE,
G_TYPE_INVALID);
dbus_g_proxy_add_signal (priv->proxy, "PropertyChanged",
G_TYPE_STRING, G_TYPE_VALUE, G_TYPE_INVALID);
dbus_g_proxy_connect_signal (priv->proxy, "PropertyChanged",
G_CALLBACK (property_changed), self, NULL);
query_properties (self);
return self;
}
