mirror of
https://gitlab.freedesktop.org/NetworkManager/NetworkManager
synced 2024-10-07 00:31:11 +00:00
libnm-glib: use private connection before trying the system bus
Use the D-Bus connection helper whenever we need a connection to NM, which by default tries to use a private connection instead of the shared bus connection whenever the user is root. Doing this by default will not change the behavior of libnm-glib, and allows tools like nmcli and libnm-glib-using clients to work in minimal environments (those without a bus daemon) by default.
This commit is contained in:
parent
661d09852d
commit
a87b5a15df
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@ -1271,25 +1271,9 @@ client_device_removed (NMObject *client, NMObject *device)
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NMClient *
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nm_client_new (void)
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{
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DBusGConnection *connection;
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GError *err = NULL;
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NMClient *client;
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#ifdef LIBNM_GLIB_TEST
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connection = dbus_g_bus_get (DBUS_BUS_SESSION, &err);
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#else
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connection = dbus_g_bus_get (DBUS_BUS_SYSTEM, &err);
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#endif
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if (!connection) {
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g_warning ("Couldn't connect to system bus: %s", err->message);
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g_error_free (err);
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return NULL;
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}
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client = g_object_new (NM_TYPE_CLIENT,
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NM_OBJECT_DBUS_CONNECTION, connection,
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NM_OBJECT_DBUS_PATH, NM_DBUS_PATH,
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NULL);
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client = g_object_new (NM_TYPE_CLIENT, NM_OBJECT_DBUS_PATH, NM_DBUS_PATH, NULL);
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_nm_object_ensure_inited (NM_OBJECT (client));
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return client;
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}
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@ -1323,32 +1307,15 @@ client_inited (GObject *source, GAsyncResult *result, gpointer user_data)
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* #NMRemoteSettings object.
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**/
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void
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nm_client_new_async (GCancellable *cancellable, GAsyncReadyCallback callback,
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nm_client_new_async (GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data)
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{
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DBusGConnection *connection;
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GError *err = NULL;
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NMClient *client;
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GSimpleAsyncResult *simple;
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simple = g_simple_async_result_new (NULL, callback, user_data, nm_client_new_async);
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#ifdef LIBNM_GLIB_TEST
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connection = dbus_g_bus_get (DBUS_BUS_SESSION, &err);
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#else
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connection = dbus_g_bus_get (DBUS_BUS_SYSTEM, &err);
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#endif
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if (!connection) {
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g_simple_async_result_take_error (simple, err);
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g_simple_async_result_complete_in_idle (simple);
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g_object_unref (simple);
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return;
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}
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client = g_object_new (NM_TYPE_CLIENT,
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NM_OBJECT_DBUS_CONNECTION, connection,
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NM_OBJECT_DBUS_PATH, NM_DBUS_PATH,
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NULL);
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client = g_object_new (NM_TYPE_CLIENT, NM_OBJECT_DBUS_PATH, NM_DBUS_PATH, NULL);
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g_async_initable_init_async (G_ASYNC_INITABLE (client), G_PRIORITY_DEFAULT,
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cancellable, client_inited, simple);
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}
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@ -1495,18 +1462,23 @@ constructed (GObject *object)
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object,
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NULL);
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priv->bus_proxy = dbus_g_proxy_new_for_name (nm_object_get_connection (NM_OBJECT (object)),
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DBUS_SERVICE_DBUS,
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DBUS_PATH_DBUS,
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DBUS_INTERFACE_DBUS);
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if (_nm_object_is_connection_private (NM_OBJECT (object)))
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priv->manager_running = TRUE;
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else {
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priv->bus_proxy = dbus_g_proxy_new_for_name (nm_object_get_connection (NM_OBJECT (object)),
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DBUS_SERVICE_DBUS,
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DBUS_PATH_DBUS,
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DBUS_INTERFACE_DBUS);
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g_assert (priv->bus_proxy);
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dbus_g_proxy_add_signal (priv->bus_proxy, "NameOwnerChanged",
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G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING,
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G_TYPE_INVALID);
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dbus_g_proxy_connect_signal (priv->bus_proxy,
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"NameOwnerChanged",
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G_CALLBACK (proxy_name_owner_changed),
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object, NULL);
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dbus_g_proxy_add_signal (priv->bus_proxy, "NameOwnerChanged",
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G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING,
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G_TYPE_INVALID);
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dbus_g_proxy_connect_signal (priv->bus_proxy,
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"NameOwnerChanged",
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G_CALLBACK (proxy_name_owner_changed),
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object, NULL);
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}
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g_signal_connect (object, "notify::" NM_CLIENT_WIRELESS_ENABLED,
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G_CALLBACK (wireless_enabled_cb), NULL);
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@ -1527,13 +1499,15 @@ init_sync (GInitable *initable, GCancellable *cancellable, GError **error)
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if (!nm_client_parent_initable_iface->init (initable, cancellable, error))
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return FALSE;
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if (!dbus_g_proxy_call (priv->bus_proxy,
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"NameHasOwner", error,
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G_TYPE_STRING, NM_DBUS_SERVICE,
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G_TYPE_INVALID,
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G_TYPE_BOOLEAN, &priv->manager_running,
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G_TYPE_INVALID))
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return FALSE;
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if (!_nm_object_is_connection_private (NM_OBJECT (client))) {
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if (!dbus_g_proxy_call (priv->bus_proxy,
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"NameHasOwner", error,
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G_TYPE_STRING, NM_DBUS_SERVICE,
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G_TYPE_INVALID,
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G_TYPE_BOOLEAN, &priv->manager_running,
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G_TYPE_INVALID))
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return FALSE;
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}
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if (priv->manager_running && !get_permissions_sync (client, error))
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return FALSE;
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@ -1589,6 +1563,22 @@ init_async_got_properties (GObject *source, GAsyncResult *result, gpointer user_
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init_async_complete (init_data);
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}
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static void
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finish_init (NMClientInitData *init_data)
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{
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NMClientPrivate *priv = NM_CLIENT_GET_PRIVATE (init_data->client);
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nm_client_parent_async_initable_iface->init_async (G_ASYNC_INITABLE (init_data->client),
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G_PRIORITY_DEFAULT, NULL, /* FIXME cancellable */
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init_async_got_properties, init_data);
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init_data->properties_pending = TRUE;
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dbus_g_proxy_begin_call (priv->client_proxy, "GetPermissions",
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init_async_got_permissions, init_data, NULL,
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G_TYPE_INVALID);
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init_data->permissions_pending = TRUE;
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}
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static void
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init_async_got_manager_running (DBusGProxy *proxy, DBusGProxyCall *call,
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gpointer user_data)
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@ -1610,15 +1600,7 @@ init_async_got_manager_running (DBusGProxy *proxy, DBusGProxyCall *call,
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return;
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}
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nm_client_parent_async_initable_iface->init_async (G_ASYNC_INITABLE (init_data->client),
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G_PRIORITY_DEFAULT, NULL, /* FIXME cancellable */
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init_async_got_properties, init_data);
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init_data->properties_pending = TRUE;
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dbus_g_proxy_begin_call (priv->client_proxy, "GetPermissions",
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init_async_got_permissions, init_data, NULL,
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G_TYPE_INVALID);
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init_data->permissions_pending = TRUE;
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finish_init (init_data);
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}
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static void
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@ -1635,12 +1617,16 @@ init_async (GAsyncInitable *initable, int io_priority,
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user_data, init_async);
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g_simple_async_result_set_op_res_gboolean (init_data->result, TRUE);
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/* Check if NM is running */
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dbus_g_proxy_begin_call (priv->bus_proxy, "NameHasOwner",
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init_async_got_manager_running,
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init_data, NULL,
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G_TYPE_STRING, NM_DBUS_SERVICE,
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G_TYPE_INVALID);
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if (_nm_object_is_connection_private (NM_OBJECT (init_data->client)))
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finish_init (init_data);
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else {
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/* Check if NM is running */
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dbus_g_proxy_begin_call (priv->bus_proxy, "NameHasOwner",
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init_async_got_manager_running,
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init_data, NULL,
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G_TYPE_STRING, NM_DBUS_SERVICE,
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G_TYPE_INVALID);
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}
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}
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static gboolean
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@ -43,6 +43,8 @@ DBusGProxy *_nm_object_new_proxy (NMObject *self,
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const char *path,
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const char *interface);
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gboolean _nm_object_is_connection_private (NMObject *self);
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void _nm_object_register_properties (NMObject *object,
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DBusGProxy *proxy,
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const NMPropertiesInfo *info);
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@ -259,15 +259,13 @@ set_property (GObject *object, guint prop_id,
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const GValue *value, GParamSpec *pspec)
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{
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NMObjectPrivate *priv = NM_OBJECT_GET_PRIVATE (object);
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DBusGConnection *connection;
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switch (prop_id) {
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case PROP_CONNECTION:
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/* Construct only */
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connection = (DBusGConnection *) g_value_get_boxed (value);
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if (!connection)
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connection = dbus_g_bus_get (DBUS_BUS_SYSTEM, NULL);
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priv->connection = dbus_g_connection_ref (connection);
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priv->connection = g_value_dup_boxed (value);
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if (!priv->connection)
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priv->connection = _nm_dbus_new_connection (NULL);
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break;
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case PROP_PATH:
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/* Construct only */
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@ -1459,3 +1457,9 @@ _nm_object_new_proxy (NMObject *self, const char *path, const char *interface)
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return _nm_dbus_new_proxy_for_connection (priv->connection, path ? path : priv->path, interface);
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}
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gboolean
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_nm_object_is_connection_private (NMObject *self)
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{
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return _nm_dbus_is_connection_private (NM_OBJECT_GET_PRIVATE (self)->connection);
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}
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@ -512,8 +512,15 @@ set_property (GObject *object, guint prop_id,
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case PROP_BUS:
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case PROP_DBUS_CONNECTION:
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/* Construct only */
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if (g_value_get_boxed (value))
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priv->bus = dbus_g_connection_ref ((DBusGConnection *) g_value_get_boxed (value));
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/* priv->bus is set from either of two properties so that it (a) remains
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* backwards compatible with the previous "bus" property, and that (b)
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* it can be created just like an NMObject using the "dbus-connection",
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* even though it's not a subclass of NMObject. So don't overwrite the
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* a valid value that the other property set with NULL, if one of the
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* properties isn't specified at construction time.
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*/
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if (!priv->bus)
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priv->bus = g_value_dup_boxed (value);
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break;
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case PROP_DBUS_PATH:
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/* Don't need to do anything; see constructor(). */
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@ -32,6 +32,7 @@
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#include "nm-object-private.h"
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#include "nm-dbus-helpers-private.h"
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#include "nm-glib-compat.h"
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#include "nm-object-private.h"
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static void nm_remote_settings_initable_iface_init (GInitableIface *iface);
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static void nm_remote_settings_async_initable_iface_init (GAsyncInitableIface *iface);
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@ -45,6 +46,7 @@ G_DEFINE_TYPE_WITH_CODE (NMRemoteSettings, nm_remote_settings, G_TYPE_OBJECT,
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typedef struct {
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DBusGConnection *bus;
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gboolean private_bus;
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gboolean inited;
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DBusGProxy *proxy;
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@ -876,24 +878,26 @@ constructed (GObject *object)
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priv = NM_REMOTE_SETTINGS_GET_PRIVATE (object);
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/* D-Bus proxy for clearing connections on NameOwnerChanged */
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priv->dbus_proxy = dbus_g_proxy_new_for_name (priv->bus,
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"org.freedesktop.DBus",
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"/org/freedesktop/DBus",
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"org.freedesktop.DBus");
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g_assert (priv->dbus_proxy);
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if (priv->private_bus == FALSE) {
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/* D-Bus proxy for clearing connections on NameOwnerChanged */
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priv->dbus_proxy = dbus_g_proxy_new_for_name (priv->bus,
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DBUS_SERVICE_DBUS,
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DBUS_PATH_DBUS,
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DBUS_INTERFACE_DBUS);
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g_assert (priv->dbus_proxy);
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dbus_g_object_register_marshaller (_nm_glib_marshal_VOID__STRING_STRING_STRING,
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G_TYPE_NONE,
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G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING,
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G_TYPE_INVALID);
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dbus_g_proxy_add_signal (priv->dbus_proxy, "NameOwnerChanged",
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G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING,
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G_TYPE_INVALID);
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dbus_g_proxy_connect_signal (priv->dbus_proxy,
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"NameOwnerChanged",
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G_CALLBACK (name_owner_changed),
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object, NULL);
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dbus_g_object_register_marshaller (_nm_glib_marshal_VOID__STRING_STRING_STRING,
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G_TYPE_NONE,
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G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING,
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G_TYPE_INVALID);
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dbus_g_proxy_add_signal (priv->dbus_proxy, "NameOwnerChanged",
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G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING,
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G_TYPE_INVALID);
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dbus_g_proxy_connect_signal (priv->dbus_proxy,
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"NameOwnerChanged",
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G_CALLBACK (name_owner_changed),
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object, NULL);
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}
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priv->proxy = _nm_dbus_new_proxy_for_connection (priv->bus,
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NM_DBUS_PATH_SETTINGS,
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@ -940,20 +944,23 @@ init_sync (GInitable *initable, GCancellable *cancellable, GError **error)
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NMRemoteSettingsPrivate *priv = NM_REMOTE_SETTINGS_GET_PRIVATE (settings);
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GHashTable *props;
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if (!dbus_g_proxy_call (priv->dbus_proxy, "NameHasOwner", error,
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G_TYPE_STRING, NM_DBUS_SERVICE,
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G_TYPE_INVALID,
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G_TYPE_BOOLEAN, &priv->service_running,
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G_TYPE_INVALID)) {
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priv->service_running = FALSE;
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return FALSE;
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}
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if (priv->private_bus == FALSE) {
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if (!dbus_g_proxy_call (priv->dbus_proxy, "NameHasOwner", error,
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G_TYPE_STRING, NM_DBUS_SERVICE,
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G_TYPE_INVALID,
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G_TYPE_BOOLEAN, &priv->service_running,
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G_TYPE_INVALID)) {
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priv->service_running = FALSE;
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return FALSE;
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}
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/* If NM isn't running we'll grab properties from name_owner_changed()
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* when it starts.
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*/
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if (!priv->service_running)
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return TRUE;
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/* If NM isn't running we'll grab properties from name_owner_changed()
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* when it starts.
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*/
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if (!priv->service_running)
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return TRUE;
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} else
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priv->service_running = TRUE;
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/* Get properties */
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if (!dbus_g_proxy_call (priv->props_proxy, "GetAll", error,
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@ -1023,6 +1030,17 @@ init_async_got_properties (DBusGProxy *proxy, DBusGProxyCall *call,
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init_async_complete (init_data);
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}
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static void
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init_get_properties (NMRemoteSettingsInitData *init_data)
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{
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NMRemoteSettingsPrivate *priv = NM_REMOTE_SETTINGS_GET_PRIVATE (init_data->settings);
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dbus_g_proxy_begin_call (priv->props_proxy, "GetAll",
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init_async_got_properties, init_data, NULL,
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G_TYPE_STRING, NM_DBUS_IFACE_SETTINGS,
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G_TYPE_INVALID);
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}
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static void
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init_async_got_manager_running (DBusGProxy *proxy, DBusGProxyCall *call,
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gpointer user_data)
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@ -1045,10 +1063,7 @@ init_async_got_manager_running (DBusGProxy *proxy, DBusGProxyCall *call,
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return;
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}
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dbus_g_proxy_begin_call (priv->props_proxy, "GetAll",
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init_async_got_properties, init_data, NULL,
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G_TYPE_STRING, NM_DBUS_IFACE_SETTINGS,
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G_TYPE_INVALID);
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init_get_properties (init_data);
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}
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static void
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|
@ -1064,12 +1079,16 @@ init_async (GAsyncInitable *initable, int io_priority,
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init_data->result = g_simple_async_result_new (G_OBJECT (initable), callback,
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user_data, init_async);
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/* Check if NM is running */
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dbus_g_proxy_begin_call (priv->dbus_proxy, "NameHasOwner",
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init_async_got_manager_running,
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init_data, NULL,
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G_TYPE_STRING, NM_DBUS_SERVICE,
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G_TYPE_INVALID);
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if (priv->private_bus)
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init_get_properties (init_data);
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else {
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/* Check if NM is running */
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dbus_g_proxy_begin_call (priv->dbus_proxy, "NameHasOwner",
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init_async_got_manager_running,
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init_data, NULL,
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G_TYPE_STRING, NM_DBUS_SERVICE,
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G_TYPE_INVALID);
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}
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}
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static gboolean
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|
@ -1127,15 +1146,15 @@ set_property (GObject *object, guint prop_id,
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const GValue *value, GParamSpec *pspec)
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{
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NMRemoteSettingsPrivate *priv = NM_REMOTE_SETTINGS_GET_PRIVATE (object);
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DBusGConnection *connection;
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switch (prop_id) {
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case PROP_BUS:
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/* Construct only */
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connection = (DBusGConnection *) g_value_get_boxed (value);
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if (!connection)
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connection = dbus_g_bus_get (DBUS_BUS_SYSTEM, NULL);
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priv->bus = dbus_g_connection_ref (connection);
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priv->bus = g_value_dup_boxed (value);
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if (!priv->bus) {
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priv->bus = _nm_dbus_new_connection (NULL);
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priv->private_bus = _nm_dbus_is_connection_private (priv->bus);
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}
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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|
|
|
@ -66,6 +66,7 @@ typedef struct {
|
|||
gboolean registered;
|
||||
|
||||
DBusGConnection *bus;
|
||||
gboolean private_bus;
|
||||
DBusGProxy *dbus_proxy;
|
||||
DBusGProxy *manager_proxy;
|
||||
DBusGProxyCall *reg_call;
|
||||
|
@ -226,6 +227,12 @@ verify_sender (NMSecretAgent *self,
|
|||
|
||||
g_return_val_if_fail (context != NULL, FALSE);
|
||||
|
||||
/* Private bus connection is always to NetworkManager, which is always
|
||||
* UID 0.
|
||||
*/
|
||||
if (priv->private_bus)
|
||||
return TRUE;
|
||||
|
||||
/* Verify the sender's UID is 0, and that the sender is the same as
|
||||
* NetworkManager's bus name owner.
|
||||
*/
|
||||
|
@ -796,34 +803,34 @@ nm_secret_agent_init (NMSecretAgent *self)
|
|||
NMSecretAgentPrivate *priv = NM_SECRET_AGENT_GET_PRIVATE (self);
|
||||
GError *error = NULL;
|
||||
|
||||
priv->bus = dbus_g_bus_get (DBUS_BUS_SYSTEM, &error);
|
||||
priv->bus = _nm_dbus_new_connection (&error);
|
||||
if (!priv->bus) {
|
||||
g_warning ("Couldn't connect to system bus: %s", error->message);
|
||||
g_error_free (error);
|
||||
return;
|
||||
}
|
||||
priv->private_bus = _nm_dbus_is_connection_private (priv->bus);
|
||||
|
||||
priv->dbus_proxy = dbus_g_proxy_new_for_name (priv->bus,
|
||||
DBUS_SERVICE_DBUS,
|
||||
DBUS_PATH_DBUS,
|
||||
DBUS_INTERFACE_DBUS);
|
||||
if (!priv->dbus_proxy) {
|
||||
g_warning ("Couldn't create messagebus proxy.");
|
||||
return;
|
||||
if (priv->private_bus == FALSE) {
|
||||
priv->dbus_proxy = dbus_g_proxy_new_for_name (priv->bus,
|
||||
DBUS_SERVICE_DBUS,
|
||||
DBUS_PATH_DBUS,
|
||||
DBUS_INTERFACE_DBUS);
|
||||
g_assert (priv->dbus_proxy);
|
||||
|
||||
dbus_g_object_register_marshaller (_nm_glib_marshal_VOID__STRING_STRING_STRING,
|
||||
G_TYPE_NONE,
|
||||
G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING,
|
||||
G_TYPE_INVALID);
|
||||
dbus_g_proxy_add_signal (priv->dbus_proxy, "NameOwnerChanged",
|
||||
G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING,
|
||||
G_TYPE_INVALID);
|
||||
dbus_g_proxy_connect_signal (priv->dbus_proxy,
|
||||
"NameOwnerChanged",
|
||||
G_CALLBACK (name_owner_changed),
|
||||
self, NULL);
|
||||
}
|
||||
|
||||
dbus_g_object_register_marshaller (_nm_glib_marshal_VOID__STRING_STRING_STRING,
|
||||
G_TYPE_NONE,
|
||||
G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING,
|
||||
G_TYPE_INVALID);
|
||||
dbus_g_proxy_add_signal (priv->dbus_proxy, "NameOwnerChanged",
|
||||
G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING,
|
||||
G_TYPE_INVALID);
|
||||
dbus_g_proxy_connect_signal (priv->dbus_proxy,
|
||||
"NameOwnerChanged",
|
||||
G_CALLBACK (name_owner_changed),
|
||||
self, NULL);
|
||||
|
||||
priv->manager_proxy = _nm_dbus_new_proxy_for_connection (priv->bus,
|
||||
NM_DBUS_PATH_AGENT_MANAGER,
|
||||
NM_DBUS_INTERFACE_AGENT_MANAGER);
|
||||
|
|
Loading…
Reference in a new issue