static void
g_dbus_method_invocation_return_value_internal (GDBusMethodInvocation *invocation,
GVariant *parameters,
GUnixFDList *fd_list)
{
GDBusMessage *reply;
GError *error;
g_return_if_fail (G_IS_DBUS_METHOD_INVOCATION (invocation));
g_return_if_fail ((parameters == NULL) || g_variant_is_of_type (parameters, G_VARIANT_TYPE_TUPLE));
if (parameters == NULL)
parameters = g_variant_new_tuple (NULL, 0);
/* if we have introspection data, check that the signature of @parameters is correct */
if (invocation->method_info != NULL)
{
GVariantType *type;
type = _g_dbus_compute_complete_signature (invocation->method_info->out_args);
if (!g_variant_is_of_type (parameters, type))
{
gchar *type_string = g_variant_type_dup_string (type);
g_warning ("Type of return value is incorrect: expected '%s', got '%s''",
type_string, g_variant_get_type_string (parameters));
g_variant_type_free (type);
g_free (type_string);
goto out;
}
g_variant_type_free (type);
}
/* property_info is only non-NULL if set that way from
* GDBusConnection, so this must be the case of async property
* handling on either 'Get', 'Set' or 'GetAll'.
*/
if (invocation->property_info != NULL)
{
if (g_str_equal (invocation->method_name, "Get"))
{
GVariant *nested;
if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("(v)")))
{
g_warning ("Type of return value for property 'Get' call should be '(v)' but got '%s'",
g_variant_get_type_string (parameters));
goto out;
}
/* Go deeper and make sure that the value inside of the
* variant matches the property type.
*/
g_variant_get (parameters, "(v)", &nested);
if (!g_str_equal (g_variant_get_type_string (nested), invocation->property_info->signature))
{
g_warning ("Value returned from property 'Get' call for '%s' should be '%s' but is '%s'",
invocation->property_info->name, invocation->property_info->signature,
g_variant_get_type_string (nested));
g_variant_unref (nested);
goto out;
}
g_variant_unref (nested);
}
else if (g_str_equal (invocation->method_name, "GetAll"))
{
if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("(a{sv})")))
{
g_warning ("Type of return value for property 'GetAll' call should be '(a{sv})' but got '%s'",
g_variant_get_type_string (parameters));
goto out;
}
/* Could iterate the list of properties and make sure that all
* of them are actually on the interface and with the correct
* types, but let's not do that for now...
*/
}
else if (g_str_equal (invocation->method_name, "Set"))
{
if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE_UNIT))
{
g_warning ("Type of return value for property 'Set' call should be '()' but got '%s'",
g_variant_get_type_string (parameters));
goto out;
}
}
else
g_assert_not_reached ();
}
if (G_UNLIKELY (_g_dbus_debug_return ()))
{
_g_dbus_debug_print_lock ();
g_print ("========================================================================\n"
"GDBus-debug:Return:\n"
" >>>> METHOD RETURN\n"
" in response to %s.%s()\n"
" on object %s\n"
" to name %s\n"
" reply-serial %d\n",
invocation->interface_name, invocation->method_name,
invocation->object_path,
invocation->sender,
g_dbus_message_get_serial (invocation->message));
_g_dbus_debug_print_unlock ();
}
reply = g_dbus_message_new_method_reply (invocation->message);
g_dbus_message_set_body (reply, parameters);
#ifdef G_OS_UNIX
if (fd_list != NULL)
g_dbus_message_set_unix_fd_list (reply, fd_list);
#endif
error = NULL;
if (!g_dbus_connection_send_message (g_dbus_method_invocation_get_connection (invocation), reply, G_DBUS_SEND_MESSAGE_FLAGS_NONE, NULL, &error))
{
g_warning ("Error sending message: %s", error->message);
g_error_free (error);
}
g_object_unref (reply);
out:
g_object_unref (invocation);
}
/**
* fu_util_refresh_internal:
**/
static gboolean
fu_util_refresh_internal (FuUtilPrivate *priv,
const gchar *data_fn,
const gchar *sig_fn,
GError **error)
{
GVariant *body;
gint fd;
gint fd_sig;
_cleanup_object_unref_ GDBusMessage *request = NULL;
_cleanup_object_unref_ GUnixFDList *fd_list = NULL;
/* open file */
fd = open (data_fn, O_RDONLY);
if (fd < 0) {
g_set_error (error,
FWUPD_ERROR,
FWUPD_ERROR_INVALID_FILE,
"failed to open %s",
data_fn);
return FALSE;
}
fd_sig = open (sig_fn, O_RDONLY);
if (fd_sig < 0) {
g_set_error (error,
FWUPD_ERROR,
FWUPD_ERROR_INVALID_FILE,
"failed to open %s",
sig_fn);
return FALSE;
}
/* set out of band file descriptor */
fd_list = g_unix_fd_list_new ();
g_unix_fd_list_append (fd_list, fd, NULL);
g_unix_fd_list_append (fd_list, fd_sig, NULL);
request = g_dbus_message_new_method_call (FWUPD_DBUS_SERVICE,
FWUPD_DBUS_PATH,
FWUPD_DBUS_INTERFACE,
"UpdateMetadata");
g_dbus_message_set_unix_fd_list (request, fd_list);
/* g_unix_fd_list_append did a dup() already */
close (fd);
close (fd_sig);
/* send message */
body = g_variant_new ("(hh)", fd, fd_sig);
g_dbus_message_set_body (request, body);
g_dbus_connection_send_message_with_reply (priv->conn,
request,
G_DBUS_SEND_MESSAGE_FLAGS_NONE,
-1,
NULL,
NULL,
fu_util_update_cb,
priv);
g_main_loop_run (priv->loop);
if (priv->message == NULL) {
g_dbus_error_strip_remote_error (priv->error);
g_propagate_error (error, priv->error);
return FALSE;
}
if (g_dbus_message_to_gerror (priv->message, error)) {
g_dbus_error_strip_remote_error (*error);
return FALSE;
}
return TRUE;
}
/**
* fu_util_install_internal:
**/
static gboolean
fu_util_install_internal (FuUtilPrivate *priv, const gchar *id,
const gchar *filename, GError **error)
{
GVariant *body;
GVariantBuilder builder;
gint retval;
gint fd;
_cleanup_object_unref_ GDBusMessage *request = NULL;
_cleanup_object_unref_ GUnixFDList *fd_list = NULL;
/* set options */
g_variant_builder_init (&builder, G_VARIANT_TYPE_ARRAY);
g_variant_builder_add (&builder, "{sv}",
"reason", g_variant_new_string ("user-action"));
g_variant_builder_add (&builder, "{sv}",
"filename", g_variant_new_string (filename));
if (priv->flags & FU_PROVIDER_UPDATE_FLAG_OFFLINE) {
g_variant_builder_add (&builder, "{sv}",
"offline", g_variant_new_boolean (TRUE));
}
if (priv->flags & FU_PROVIDER_UPDATE_FLAG_ALLOW_OLDER) {
g_variant_builder_add (&builder, "{sv}",
"allow-older", g_variant_new_boolean (TRUE));
}
if (priv->flags & FU_PROVIDER_UPDATE_FLAG_ALLOW_REINSTALL) {
g_variant_builder_add (&builder, "{sv}",
"allow-reinstall", g_variant_new_boolean (TRUE));
}
/* open file */
fd = open (filename, O_RDONLY);
if (fd < 0) {
g_set_error (error,
FWUPD_ERROR,
FWUPD_ERROR_INVALID_FILE,
"failed to open %s",
filename);
return FALSE;
}
/* set out of band file descriptor */
fd_list = g_unix_fd_list_new ();
retval = g_unix_fd_list_append (fd_list, fd, NULL);
g_assert (retval != -1);
request = g_dbus_message_new_method_call (FWUPD_DBUS_SERVICE,
FWUPD_DBUS_PATH,
FWUPD_DBUS_INTERFACE,
"Install");
g_dbus_message_set_unix_fd_list (request, fd_list);
/* g_unix_fd_list_append did a dup() already */
close (fd);
/* send message */
body = g_variant_new ("(sha{sv})", id, fd > -1 ? 0 : -1, &builder);
g_dbus_message_set_body (request, body);
g_dbus_connection_send_message_with_reply (priv->conn,
request,
G_DBUS_SEND_MESSAGE_FLAGS_NONE,
-1,
NULL,
NULL,
fu_util_update_cb,
priv);
g_main_loop_run (priv->loop);
if (priv->message == NULL) {
g_dbus_error_strip_remote_error (priv->error);
g_propagate_error (error, priv->error);
return FALSE;
}
if (g_dbus_message_to_gerror (priv->message, error)) {
g_dbus_error_strip_remote_error (*error);
return FALSE;
}
/* TRANSLATORS: update completed, no errors */
g_print ("%s\n", _("Done!"));
return TRUE;
}
/**
* fu_util_get_details:
**/
static gboolean
fu_util_get_details (FuUtilPrivate *priv, gchar **values, GError **error)
{
GVariant *body;
GVariant *val;
gint fd;
gint retval;
_cleanup_object_unref_ GDBusMessage *message = NULL;
_cleanup_object_unref_ GDBusMessage *request = NULL;
_cleanup_object_unref_ GUnixFDList *fd_list = NULL;
/* check args */
if (g_strv_length (values) != 1) {
g_set_error_literal (error,
FWUPD_ERROR,
FWUPD_ERROR_INTERNAL,
"Invalid arguments: expected 'filename'");
return FALSE;
}
/* open file */
fd = open (values[0], O_RDONLY);
if (fd < 0) {
g_set_error (error,
FWUPD_ERROR,
FWUPD_ERROR_INVALID_FILE,
"failed to open %s",
values[0]);
return FALSE;
}
/* set out of band file descriptor */
fd_list = g_unix_fd_list_new ();
retval = g_unix_fd_list_append (fd_list, fd, NULL);
g_assert (retval != -1);
request = g_dbus_message_new_method_call (FWUPD_DBUS_SERVICE,
FWUPD_DBUS_PATH,
FWUPD_DBUS_INTERFACE,
"GetDetails");
g_dbus_message_set_unix_fd_list (request, fd_list);
/* g_unix_fd_list_append did a dup() already */
close (fd);
/* send message */
body = g_variant_new ("(h)", fd > -1 ? 0 : -1);
g_dbus_message_set_body (request, body);
message = g_dbus_connection_send_message_with_reply_sync (priv->conn,
request,
G_DBUS_SEND_MESSAGE_FLAGS_NONE,
-1,
NULL,
NULL,
error);
if (message == NULL) {
g_dbus_error_strip_remote_error (*error);
return FALSE;
}
if (g_dbus_message_to_gerror (message, error)) {
g_dbus_error_strip_remote_error (*error);
return FALSE;
}
/* print results */
val = g_dbus_message_get_body (message);
fu_util_print_metadata (val);
return TRUE;
}
static void
handle_method_call (GDBusConnection *connection,
const gchar *sender,
const gchar *object_path,
const gchar *interface_name,
const gchar *method_name,
GVariant *parameters,
GDBusMethodInvocation *invocation,
gpointer user_data)
{
if (g_strcmp0 (method_name, "HelloWorld") == 0)
{
const gchar *greeting;
g_variant_get (parameters, "(&s)", &greeting);
if (g_strcmp0 (greeting, "Return Unregistered") == 0)
{
g_dbus_method_invocation_return_error (invocation,
G_IO_ERROR,
G_IO_ERROR_FAILED_HANDLED,
"As requested, here's a GError not registered (G_IO_ERROR_FAILED_HANDLED)");
}
else if (g_strcmp0 (greeting, "Return Registered") == 0)
{
g_dbus_method_invocation_return_error (invocation,
G_DBUS_ERROR,
G_DBUS_ERROR_MATCH_RULE_NOT_FOUND,
"As requested, here's a GError that is registered (G_DBUS_ERROR_MATCH_RULE_NOT_FOUND)");
}
else if (g_strcmp0 (greeting, "Return Raw") == 0)
{
g_dbus_method_invocation_return_dbus_error (invocation,
"org.gtk.GDBus.SomeErrorName",
"As requested, here's a raw D-Bus error");
}
else
{
gchar *response;
response = g_strdup_printf ("You greeted me with '%s'. Thanks!", greeting);
g_dbus_method_invocation_return_value (invocation,
g_variant_new ("(s)", response));
g_free (response);
}
}
else if (g_strcmp0 (method_name, "EmitSignal") == 0)
{
GError *local_error;
gdouble speed_in_mph;
gchar *speed_as_string;
g_variant_get (parameters, "(d)", &speed_in_mph);
speed_as_string = g_strdup_printf ("%g mph!", speed_in_mph);
local_error = NULL;
g_dbus_connection_emit_signal (connection,
NULL,
object_path,
interface_name,
"VelocityChanged",
g_variant_new ("(ds)",
speed_in_mph,
speed_as_string),
&local_error);
g_assert_no_error (local_error);
g_free (speed_as_string);
g_dbus_method_invocation_return_value (invocation, NULL);
}
else if (g_strcmp0 (method_name, "GimmeStdout") == 0)
{
#ifdef G_OS_UNIX
if (g_dbus_connection_get_capabilities (connection) & G_DBUS_CAPABILITY_FLAGS_UNIX_FD_PASSING)
{
GDBusMessage *reply;
GUnixFDList *fd_list;
GError *error;
fd_list = g_unix_fd_list_new ();
error = NULL;
g_unix_fd_list_append (fd_list, STDOUT_FILENO, &error);
g_assert_no_error (error);
reply = g_dbus_message_new_method_reply (g_dbus_method_invocation_get_message (invocation));
g_dbus_message_set_unix_fd_list (reply, fd_list);
error = NULL;
g_dbus_connection_send_message (connection,
reply,
G_DBUS_SEND_MESSAGE_FLAGS_NONE,
NULL, /* out_serial */
&error);
g_assert_no_error (error);
g_object_unref (invocation);
g_object_unref (fd_list);
g_object_unref (reply);
}
else
{
g_dbus_method_invocation_return_dbus_error (invocation,
"org.gtk.GDBus.Failed",
"Your message bus daemon does not support file descriptor passing (need D-Bus >= 1.3.0)");
}
#else
g_dbus_method_invocation_return_dbus_error (invocation,
"org.gtk.GDBus.NotOnUnix",
"Your OS does not support file descriptor passing");
#endif
}
}
