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NetworkManager/src/devices/bluetooth/nm-bluez-device.c
Thomas Haller 72bfe62a9a all: use stack-allocated uuid at various places 
No need to create a UUID on the heap in this case.
2017-03-02 12:14:29 +01:00

1287 lines
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/* NetworkManager -- Network link manager
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright (C) 2009 - 2012 Red Hat, Inc.
* Copyright (C) 2013 Intel Corporation.
*/
#include "nm-default.h"
#include "nm-bluez-device.h"
#include <string.h>
#include "nm-core-internal.h"
#include "nm-bt-error.h"
#include "nm-bluez-common.h"
#include "settings/nm-settings.h"
#include "settings/nm-settings-connection.h"
#include "NetworkManagerUtils.h"
#if WITH_BLUEZ5_DUN
#include "nm-bluez5-dun.h"
#endif
/*****************************************************************************/
#define VARIANT_IS_OF_TYPE_BOOLEAN(v) ((v) != NULL && ( g_variant_is_of_type ((v), G_VARIANT_TYPE_BOOLEAN) ))
#define VARIANT_IS_OF_TYPE_STRING(v) ((v) != NULL && ( g_variant_is_of_type ((v), G_VARIANT_TYPE_STRING) ))
#define VARIANT_IS_OF_TYPE_OBJECT_PATH(v) ((v) != NULL && ( g_variant_is_of_type ((v), G_VARIANT_TYPE_OBJECT_PATH) ))
#define VARIANT_IS_OF_TYPE_STRING_ARRAY(v) ((v) != NULL && ( g_variant_is_of_type ((v), G_VARIANT_TYPE_STRING_ARRAY) ))
/*****************************************************************************/
NM_GOBJECT_PROPERTIES_DEFINE (NMBluezDevice,
PROP_PATH,
PROP_ADDRESS,
PROP_NAME,
PROP_CAPABILITIES,
PROP_USABLE,
PROP_CONNECTED,
);
enum {
INITIALIZED,
REMOVED,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
typedef struct {
char *path;
GDBusConnection *dbus_connection;
GDBusProxy *proxy;
GDBusProxy *adapter5;
gboolean adapter_powered;
int bluez_version;
gboolean initialized;
gboolean usable;
NMBluetoothCapabilities connection_bt_type;
guint check_emit_usable_id;
char *adapter_address;
char *address;
char *name;
guint32 capabilities;
gboolean connected;
char *b4_iface;
#if WITH_BLUEZ5_DUN
NMBluez5DunContext *b5_dun_context;
#endif
NMSettings *settings;
GSList *connections;
NMConnection *pan_connection;
gboolean pan_connection_no_autocreate;
} NMBluezDevicePrivate;
struct _NMBluezDevice {
GObject parent;
NMBluezDevicePrivate _priv;
};
struct _NMBluezDeviceClass {
GObjectClass parent;
};
G_DEFINE_TYPE (NMBluezDevice, nm_bluez_device, G_TYPE_OBJECT)
#define NM_BLUEZ_DEVICE_GET_PRIVATE(self) _NM_GET_PRIVATE (self, NMBluezDevice, NM_IS_BLUEZ_DEVICE)
/*****************************************************************************/
static void cp_connection_added (NMSettings *settings,
NMConnection *connection, NMBluezDevice *self);
static gboolean connection_compatible (NMBluezDevice *self, NMConnection *connection);
/*****************************************************************************/
const char *
nm_bluez_device_get_path (NMBluezDevice *self)
{
g_return_val_if_fail (NM_IS_BLUEZ_DEVICE (self), NULL);
return NM_BLUEZ_DEVICE_GET_PRIVATE (self)->path;
}
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;
}
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;
}
const char *
nm_bluez_device_get_name (NMBluezDevice *self)
{
g_return_val_if_fail (NM_IS_BLUEZ_DEVICE (self), NULL);
return NM_BLUEZ_DEVICE_GET_PRIVATE (self)->name;
}
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;
}
gboolean
nm_bluez_device_get_connected (NMBluezDevice *self)
{
NMBluezDevicePrivate *priv;
g_return_val_if_fail (NM_IS_BLUEZ_DEVICE (self), FALSE);
priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
return priv->connected;
}
static void
pan_connection_check_create (NMBluezDevice *self)
{
NMConnection *connection;
NMConnection *added;
NMSetting *setting;
char *id;
char uuid[37];
GError *error = NULL;
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
g_return_if_fail (priv->capabilities & NM_BT_CAPABILITY_NAP);
g_return_if_fail (priv->connections == NULL);
g_return_if_fail (priv->name);
if (priv->pan_connection || priv->pan_connection_no_autocreate) {
/* already have a connection or we don't want to create one, nothing to do. */
return;
}
/* Only try once to create a connection. If it does not succeed, we do not try again. Also,
* if the connection gets deleted later, do not create another one for this device. */
priv->pan_connection_no_autocreate = TRUE;
/* create a new connection */
connection = nm_simple_connection_new ();
/* Setting: Connection */
nm_utils_uuid_generate_buf (uuid);
id = g_strdup_printf (_("%s Network"), priv->name);
setting = nm_setting_connection_new ();
g_object_set (setting,
NM_SETTING_CONNECTION_ID, id,
NM_SETTING_CONNECTION_UUID, uuid,
NM_SETTING_CONNECTION_AUTOCONNECT, FALSE,
NM_SETTING_CONNECTION_TYPE, NM_SETTING_BLUETOOTH_SETTING_NAME,
NULL);
nm_connection_add_setting (connection, setting);
/* Setting: Bluetooth */
setting = nm_setting_bluetooth_new ();
g_object_set (G_OBJECT (setting),
NM_SETTING_BLUETOOTH_BDADDR, priv->address,
NM_SETTING_BLUETOOTH_TYPE, NM_SETTING_BLUETOOTH_TYPE_PANU,
NULL);
nm_connection_add_setting (connection, setting);
/* Setting: IPv4 */
setting = nm_setting_ip4_config_new ();
g_object_set (G_OBJECT (setting),
NM_SETTING_IP_CONFIG_METHOD, NM_SETTING_IP4_CONFIG_METHOD_AUTO,
NM_SETTING_IP_CONFIG_MAY_FAIL, FALSE,
NULL);
nm_connection_add_setting (connection, setting);
/* Setting: IPv6 */
setting = nm_setting_ip6_config_new ();
g_object_set (G_OBJECT (setting),
NM_SETTING_IP_CONFIG_METHOD, NM_SETTING_IP6_CONFIG_METHOD_AUTO,
NM_SETTING_IP_CONFIG_MAY_FAIL, TRUE,
NULL);
nm_connection_add_setting (connection, setting);
/* Adding a new connection raises a signal which eventually calls check_emit_usable (again)
* which then already finds the suitable connection in priv->connections. This is confusing,
* so block the signal. check_emit_usable will succeed after this function call returns. */
g_signal_handlers_block_by_func (priv->settings, cp_connection_added, self);
added = NM_CONNECTION (nm_settings_add_connection (priv->settings, connection, FALSE, &error));
g_signal_handlers_unblock_by_func (priv->settings, cp_connection_added, self);
if (added) {
g_assert (!g_slist_find (priv->connections, added));
g_assert (connection_compatible (self, added));
g_assert (nm_connection_compare (added, connection, NM_SETTING_COMPARE_FLAG_EXACT));
nm_settings_connection_set_flags (NM_SETTINGS_CONNECTION (added), NM_SETTINGS_CONNECTION_FLAGS_NM_GENERATED, TRUE);
priv->connections = g_slist_prepend (priv->connections, g_object_ref (added));
priv->pan_connection = added;
nm_log_dbg (LOGD_BT, "bluez[%s] added new Bluetooth connection for NAP device: '%s' (%s)", priv->path, id, uuid);
} else {
nm_log_warn (LOGD_BT, "bluez[%s] couldn't add new Bluetooth connection for NAP device: '%s' (%s): %s",
priv->path, id, uuid, error->message);
g_clear_error (&error);
}
g_object_unref (connection);
g_free (id);
}
static gboolean
check_emit_usable (NMBluezDevice *self)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
gboolean new_usable;
/* only expect the supported capabilities set. */
nm_assert ((priv->capabilities & ~(NM_BT_CAPABILITY_NAP | NM_BT_CAPABILITY_DUN)) == NM_BT_CAPABILITY_NONE );
new_usable = (priv->initialized && priv->capabilities && priv->name &&
((priv->bluez_version == 4) ||
(priv->bluez_version == 5 && priv->adapter5 && priv->adapter_powered) ) &&
priv->dbus_connection && priv->address && priv->adapter_address);
if (!new_usable)
goto END;
if (priv->connections)
goto END;
if (!(priv->capabilities & NM_BT_CAPABILITY_NAP)) {
/* non NAP devices are only usable, if they already have a connection. */
new_usable = FALSE;
goto END;
}
pan_connection_check_create (self);
new_usable = !!priv->pan_connection;
END:
if (new_usable != priv->usable) {
priv->usable = new_usable;
_notify (self, PROP_USABLE);
}
return G_SOURCE_REMOVE;
}
static void
check_emit_usable_schedule (NMBluezDevice *self)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
if (priv->check_emit_usable_id == 0)
priv->check_emit_usable_id = g_idle_add ((GSourceFunc) check_emit_usable, self);
}
/*****************************************************************************/
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 gboolean
_internal_track_connection (NMBluezDevice *self, NMConnection *connection, gboolean tracked)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
gboolean was_tracked;
was_tracked = !!g_slist_find (priv->connections, connection);
if (was_tracked == !!tracked)
return FALSE;
if (tracked)
priv->connections = g_slist_prepend (priv->connections, g_object_ref (connection));
else {
priv->connections = g_slist_remove (priv->connections, connection);
if (priv->pan_connection == connection)
priv->pan_connection = NULL;
g_object_unref (connection);
}
return TRUE;
}
static void
cp_connection_added (NMSettings *settings,
NMConnection *connection,
NMBluezDevice *self)
{
if (connection_compatible (self, connection)) {
if (_internal_track_connection (self, connection, TRUE))
check_emit_usable (self);
}
}
static void
cp_connection_removed (NMSettings *settings,
NMConnection *connection,
NMBluezDevice *self)
{
if (_internal_track_connection (self, connection, FALSE))
check_emit_usable (self);
}
static void
cp_connection_updated (NMSettings *settings,
NMConnection *connection,
gboolean by_user,
NMBluezDevice *self)
{
if (_internal_track_connection (self, connection,
connection_compatible (self, connection)))
check_emit_usable_schedule (self);
}
static void
load_connections (NMBluezDevice *self)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
NMSettingsConnection *const*connections;
guint i;
gboolean changed = FALSE;
connections = nm_settings_get_connections (priv->settings, NULL);
for (i = 0; connections[i]; i++) {
NMConnection *connection = (NMConnection *) connections[i];
if (connection_compatible (self, connection))
changed |= _internal_track_connection (self, connection, TRUE);
}
if (changed)
check_emit_usable (self);
}
/*****************************************************************************/
static void
bluez_disconnect_cb (GDBusConnection *dbus_connection,
GAsyncResult *res,
gpointer user_data)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE ((NMBluezDevice *) 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));
}
void
nm_bluez_device_disconnect (NMBluezDevice *self)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
GVariant *args = NULL;
const char *dbus_iface = NULL;
g_return_if_fail (priv->dbus_connection);
if (priv->connection_bt_type == NM_BT_CAPABILITY_DUN) {
if (priv->bluez_version == 4) {
/* Can't pass a NULL interface name through dbus to bluez, so just
* ignore the disconnect if the interface isn't known.
*/
if (!priv->b4_iface)
goto out;
args = g_variant_new ("(s)", priv->b4_iface),
dbus_iface = BLUEZ4_SERIAL_INTERFACE;
} else if (priv->bluez_version == 5) {
#if WITH_BLUEZ5_DUN
nm_bluez5_dun_cleanup (priv->b5_dun_context);
#endif
priv->connected = FALSE;
goto out;
}
} else if (priv->connection_bt_type == NM_BT_CAPABILITY_NAP) {
if (priv->bluez_version == 4)
dbus_iface = BLUEZ4_NETWORK_INTERFACE;
else if (priv->bluez_version == 5)
dbus_iface = BLUEZ5_NETWORK_INTERFACE;
else
g_assert_not_reached ();
} else
g_assert_not_reached ();
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));
out:
g_clear_pointer (&priv->b4_iface, g_free);
priv->connection_bt_type = NM_BT_CAPABILITY_NONE;
}
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->b4_iface = device;
g_variant_unref (variant);
}
g_simple_async_result_complete (result);
g_object_unref (result);
g_object_unref (result_object);
}
#if WITH_BLUEZ5_DUN
static void
bluez5_dun_connect_cb (NMBluez5DunContext *context,
const char *device,
GError *error,
gpointer user_data)
{
GSimpleAsyncResult *result = G_SIMPLE_ASYNC_RESULT (user_data);
if (error) {
g_simple_async_result_take_error (result, error);
} else {
g_simple_async_result_set_op_res_gpointer (result,
g_strdup (device),
g_free);
}
g_simple_async_result_complete (result);
g_object_unref (result);
}
#endif
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 = NULL;
const char *connect_type = NULL;
g_return_if_fail (priv->capabilities & connection_bt_type & (NM_BT_CAPABILITY_DUN | NM_BT_CAPABILITY_NAP));
simple = g_simple_async_result_new (G_OBJECT (self),
callback,
user_data,
nm_bluez_device_connect_async);
priv->connection_bt_type = connection_bt_type;
if (connection_bt_type == NM_BT_CAPABILITY_NAP) {
connect_type = BLUETOOTH_CONNECT_NAP;
if (priv->bluez_version == 4)
dbus_iface = BLUEZ4_NETWORK_INTERFACE;
else if (priv->bluez_version == 5)
dbus_iface = BLUEZ5_NETWORK_INTERFACE;
} else if (connection_bt_type == NM_BT_CAPABILITY_DUN) {
connect_type = BLUETOOTH_CONNECT_DUN;
if (priv->bluez_version == 4)
dbus_iface = BLUEZ4_SERIAL_INTERFACE;
else if (priv->bluez_version == 5) {
#if WITH_BLUEZ5_DUN
if (priv->b5_dun_context == NULL)
priv->b5_dun_context = nm_bluez5_dun_new (priv->adapter_address, priv->address);
nm_bluez5_dun_connect (priv->b5_dun_context, bluez5_dun_connect_cb, simple);
#else
g_simple_async_result_set_error (simple,
NM_BT_ERROR,
NM_BT_ERROR_DUN_CONNECT_FAILED,
"NetworkManager built without support for Bluez 5");
g_simple_async_result_complete (simple);
#endif
return;
}
} else
g_assert_not_reached ();
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);
}
const char *
nm_bluez_device_connect_finish (NMBluezDevice *self,
GAsyncResult *result,
GError **error)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
GSimpleAsyncResult *simple;
const char *device;
g_return_val_if_fail (g_simple_async_result_is_valid (result,
G_OBJECT (self),
nm_bluez_device_connect_async),
NULL);
simple = (GSimpleAsyncResult *) result;
if (g_simple_async_result_propagate_error (simple, error))
return NULL;
device = (const char *) g_simple_async_result_get_op_res_gpointer (simple);
if (device && priv->bluez_version == 5) {
priv->connected = TRUE;
_notify (self, PROP_CONNECTED);
}
return device;
}
/*****************************************************************************/
static void
set_adapter_address (NMBluezDevice *self, const char *address)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
g_return_if_fail (address);
if (priv->adapter_address)
g_free (priv->adapter_address);
priv->adapter_address = g_strdup (address);
}
static guint32
convert_uuids_to_capabilities (const char **strings)
{
const char **iter;
guint32 capabilities = 0;
for (iter = strings; iter && *iter; iter++) {
char **parts;
parts = g_strsplit (*iter, "-", -1);
if (parts && parts[0]) {
switch (g_ascii_strtoull (parts[0], NULL, 16)) {
case 0x1103:
capabilities |= NM_BT_CAPABILITY_DUN;
break;
case 0x1116:
capabilities |= NM_BT_CAPABILITY_NAP;
break;
default:
break;
}
}
g_strfreev (parts);
}
return capabilities;
}
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);
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;
_notify (self, PROP_CAPABILITIES);
}
}
/**
* 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);
_notify (self, PROP_ADDRESS);
}
static void
_take_variant_property_address (NMBluezDevice *self, GVariant *v)
{
_set_property_address (self, VARIANT_IS_OF_TYPE_STRING (v) ? g_variant_get_string (v, NULL) : NULL);
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);
_notify (self, PROP_NAME);
}
}
if (v)
g_variant_unref (v);
}
static void
_take_variant_property_uuids (NMBluezDevice *self, GVariant *v)
{
if (VARIANT_IS_OF_TYPE_STRING_ARRAY (v)) {
const char **uuids = g_variant_get_strv (v, NULL);
_set_property_capabilities (self, uuids);
g_free (uuids);
}
if (v)
g_variant_unref (v);
}
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;
_notify (self, PROP_CONNECTED);
}
}
if (v)
g_variant_unref (v);
}
static void
adapter5_on_properties_changed (GDBusProxy *proxy,
GVariant *changed_properties,
GStrv invalidated_properties,
gpointer user_data)
{
NMBluezDevice *self = NM_BLUEZ_DEVICE (user_data);
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
GVariantIter i;
const char *property;
GVariant *v;
g_variant_iter_init (&i, changed_properties);
while (g_variant_iter_next (&i, "{&sv}", &property, &v)) {
if (!strcmp (property, "Powered") && VARIANT_IS_OF_TYPE_BOOLEAN (v)) {
gboolean powered = g_variant_get_boolean (v);
if (priv->adapter_powered != powered)
priv->adapter_powered = powered;
}
g_variant_unref (v);
}
check_emit_usable (self);
}
static void
adapter5_on_acquired (GObject *object, GAsyncResult *res, NMBluezDevice *self)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
GError *error = NULL;
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);
v = g_dbus_proxy_get_cached_property (priv->adapter5, "Address");
if (VARIANT_IS_OF_TYPE_STRING (v))
set_adapter_address (self, g_variant_get_string (v, NULL));
priv->initialized = TRUE;
g_signal_emit (self, signals[INITIALIZED], 0, TRUE);
check_emit_usable (self);
}
g_object_unref (self);
}
static void
_take_one_variant_property (NMBluezDevice *self, const char *property, GVariant *v)
{
if (v) {
if (!g_strcmp0 (property, "Address"))
_take_variant_property_address (self, v);
else if (!g_strcmp0 (property, "Connected"))
_take_variant_property_connected (self, v);
else if (!g_strcmp0 (property, "Name"))
_take_variant_property_name (self, v);
else if (!g_strcmp0 (property, "UUIDs"))
_take_variant_property_uuids (self, v);
else
g_variant_unref (v);
}
}
static void
_set_properties (NMBluezDevice *self, GVariant *properties)
{
GVariantIter i;
const char *property;
GVariant *v;
g_object_freeze_notify (G_OBJECT (self));
g_variant_iter_init (&i, properties);
while (g_variant_iter_next (&i, "{&sv}", &property, &v))
_take_one_variant_property (self, property, v);
g_object_thaw_notify (G_OBJECT (self));
}
static void
properties_changed (GDBusProxy *proxy,
GVariant *changed_properties,
GStrv invalidated_properties,
gpointer user_data)
{
NMBluezDevice *self = NM_BLUEZ_DEVICE (user_data);
_set_properties (self, changed_properties);
check_emit_usable (self);
}
static void
bluez4_property_changed (GDBusProxy *proxy,
const char *property,
GVariant *v,
gpointer user_data)
{
NMBluezDevice *self = NM_BLUEZ_DEVICE (user_data);
_take_one_variant_property (self, property, v);
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;
v_properties = _nm_dbus_proxy_call_finish (priv->proxy, res,
G_VARIANT_TYPE ("(a{sv})"),
&err);
if (!v_properties) {
g_dbus_error_strip_remote_error (err);
nm_log_warn (LOGD_BT, "bluez[%s] error getting device properties: %s",
priv->path, err->message);
g_error_free (err);
g_signal_emit (self, signals[INITIALIZED], 0, FALSE);
goto END;
}
v_dict = g_variant_get_child_value (v_properties, 0);
_set_properties (self, v_dict);
g_variant_unref (v_dict);
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
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
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 */
_nm_dbus_signal_connect (priv->proxy, "PropertyChanged", G_VARIANT_TYPE ("(sv)"),
G_CALLBACK (bluez4_property_changed), self);
}
query_properties (self);
}
g_object_unref (self);
}
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
get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE ((NMBluezDevice *) 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_USABLE:
g_value_set_boolean (value, priv->usable);
break;
case PROP_CONNECTED:
g_value_set_boolean (value, priv->connected);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
set_property (GObject *object, guint prop_id,
const GValue *value, GParamSpec *pspec)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE ((NMBluezDevice *) 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
nm_bluez_device_init (NMBluezDevice *self)
{
}
NMBluezDevice *
nm_bluez_device_new (const char *path,
const char *adapter_address,
NMSettings *settings,
int bluez_version)
{
NMBluezDevice *self;
NMBluezDevicePrivate *priv;
const char *interface_name = NULL;
g_return_val_if_fail (path != NULL, NULL);
g_return_val_if_fail (NM_IS_SETTINGS (settings), NULL);
g_return_val_if_fail (bluez_version == 4 || bluez_version == 5, NULL);
self = (NMBluezDevice *) g_object_new (NM_TYPE_BLUEZ_DEVICE,
NM_BLUEZ_DEVICE_PATH, path,
NULL);
if (!self)
return NULL;
nm_log_dbg (LOGD_BT, "bluez[%s] create NMBluezDevice", path);
priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
priv->bluez_version = bluez_version;
priv->settings = g_object_ref (settings);
g_return_val_if_fail (bluez_version == 5 || (bluez_version == 4 && adapter_address), NULL);
if (adapter_address)
set_adapter_address (self, adapter_address);
g_signal_connect (priv->settings, NM_SETTINGS_SIGNAL_CONNECTION_ADDED, G_CALLBACK (cp_connection_added), self);
g_signal_connect (priv->settings, NM_SETTINGS_SIGNAL_CONNECTION_REMOVED, G_CALLBACK (cp_connection_removed), self);
g_signal_connect (priv->settings, NM_SETTINGS_SIGNAL_CONNECTION_UPDATED, G_CALLBACK (cp_connection_updated), self);
g_bus_get (G_BUS_TYPE_SYSTEM,
NULL,
(GAsyncReadyCallback) on_bus_acquired,
g_object_ref (self));
switch (priv->bluez_version) {
case 4:
interface_name = BLUEZ4_DEVICE_INTERFACE;
break;
case 5:
interface_name = BLUEZ5_DEVICE_INTERFACE;
break;
}
g_dbus_proxy_new_for_bus (G_BUS_TYPE_SYSTEM,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
BLUEZ_SERVICE,
priv->path,
interface_name,
NULL,
(GAsyncReadyCallback) on_proxy_acquired,
g_object_ref (self));
return self;
}
static void
dispose (GObject *object)
{
NMBluezDevice *self = NM_BLUEZ_DEVICE (object);
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
NMConnection *to_delete = NULL;
nm_clear_g_source (&priv->check_emit_usable_id);
if (priv->pan_connection) {
/* Check whether we want to remove the created connection. If so, we take a reference
* and delete it at the end of dispose(). */
if (nm_settings_connection_get_nm_generated (NM_SETTINGS_CONNECTION (priv->pan_connection)))
to_delete = g_object_ref (priv->pan_connection);
priv->pan_connection = NULL;
}
#if WITH_BLUEZ5_DUN
if (priv->b5_dun_context) {
nm_bluez5_dun_free (priv->b5_dun_context);
priv->b5_dun_context = NULL;
}
#endif
if (priv->settings) {
g_signal_handlers_disconnect_by_func (priv->settings, cp_connection_added, self);
g_signal_handlers_disconnect_by_func (priv->settings, cp_connection_removed, self);
g_signal_handlers_disconnect_by_func (priv->settings, cp_connection_updated, self);
}
g_slist_free_full (priv->connections, g_object_unref);
priv->connections = NULL;
g_clear_object (&priv->adapter5);
g_clear_object (&priv->dbus_connection);
G_OBJECT_CLASS (nm_bluez_device_parent_class)->dispose (object);
if (to_delete) {
nm_log_dbg (LOGD_BT, "bluez[%s] removing Bluetooth connection for NAP device: '%s' (%s)", priv->path,
nm_connection_get_id (to_delete), nm_connection_get_uuid (to_delete));
nm_settings_connection_delete (NM_SETTINGS_CONNECTION (to_delete), NULL, NULL);
g_object_unref (to_delete);
}
g_clear_object (&priv->settings);
}
static void
finalize (GObject *object)
{
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE ((NMBluezDevice *) object);
nm_log_dbg (LOGD_BT, "bluez[%s]: finalize NMBluezDevice", priv->path);
g_free (priv->path);
g_free (priv->adapter_address);
g_free (priv->address);
g_free (priv->name);
g_free (priv->b4_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);
}
static void
nm_bluez_device_class_init (NMBluezDeviceClass *config_class)
{
GObjectClass *object_class = G_OBJECT_CLASS (config_class);
object_class->get_property = get_property;
object_class->set_property = set_property;
object_class->dispose = dispose;
object_class->finalize = finalize;
obj_properties[PROP_PATH] =
g_param_spec_string (NM_BLUEZ_DEVICE_PATH, "", "",
NULL,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS);
obj_properties[PROP_ADDRESS] =
g_param_spec_string (NM_BLUEZ_DEVICE_ADDRESS, "", "",
NULL,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS);
obj_properties[PROP_NAME] =
g_param_spec_string (NM_BLUEZ_DEVICE_NAME, "", "",
NULL,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS);
obj_properties[PROP_CAPABILITIES] =
g_param_spec_uint (NM_BLUEZ_DEVICE_CAPABILITIES, "", "",
0, G_MAXUINT, 0,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS);
obj_properties[PROP_USABLE] =
g_param_spec_boolean (NM_BLUEZ_DEVICE_USABLE, "", "",
FALSE,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS);
obj_properties[PROP_CONNECTED] =
g_param_spec_boolean (NM_BLUEZ_DEVICE_CONNECTED, "", "",
FALSE,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (object_class, _PROPERTY_ENUMS_LAST, obj_properties);
signals[INITIALIZED] = g_signal_new ("initialized",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL, NULL,
G_TYPE_NONE, 1, G_TYPE_BOOLEAN);
signals[REMOVED] = g_signal_new (NM_BLUEZ_DEVICE_REMOVED,
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL, NULL,
G_TYPE_NONE, 0);
}
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