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// SPDX-License-Identifier: LGPL-2.1+
/*
* Copyright (C) 2019 Red Hat, Inc.
*/
#include "nm-default.h"
#include "nm-dbus-aux.h"
/*****************************************************************************/
static void
_nm_dbus_connection_call_get_name_owner_cb (GObject *source,
GAsyncResult *res,
gpointer user_data)
{
gs_unref_variant GVariant *ret = NULL;
gs_free_error GError *error = NULL;
const char *owner = NULL;
gpointer orig_user_data;
NMDBusConnectionCallGetNameOwnerCb callback;
nm_utils_user_data_unpack (user_data, &orig_user_data, &callback);
ret = g_dbus_connection_call_finish (G_DBUS_CONNECTION (source), res, &error);
if (ret)
g_variant_get (ret, "(&s)", &owner);
callback (owner, error, orig_user_data);
}
void
nm_dbus_connection_call_get_name_owner (GDBusConnection *dbus_connection,
const char *service_name,
int timeout_msec,
GCancellable *cancellable,
NMDBusConnectionCallGetNameOwnerCb callback,
gpointer user_data)
{
nm_assert (callback);
g_dbus_connection_call (dbus_connection,
DBUS_SERVICE_DBUS,
DBUS_PATH_DBUS,
DBUS_INTERFACE_DBUS,
"GetNameOwner",
g_variant_new ("(s)", service_name),
G_VARIANT_TYPE ("(s)"),
G_DBUS_CALL_FLAGS_NONE,
timeout_msec,
cancellable,
_nm_dbus_connection_call_get_name_owner_cb,
nm_utils_user_data_pack (user_data, callback));
}
/*****************************************************************************/
static void
_nm_dbus_connection_call_default_cb (GObject *source,
GAsyncResult *res,
gpointer user_data)
{
gs_unref_variant GVariant *ret = NULL;
gs_free_error GError *error = NULL;
gpointer orig_user_data;
NMDBusConnectionCallDefaultCb callback;
nm_utils_user_data_unpack (user_data, &orig_user_data, &callback);
ret = g_dbus_connection_call_finish (G_DBUS_CONNECTION (source), res, &error);
nm_assert ((!!ret) != (!!error));
callback (ret, error, orig_user_data);
}
void
nm_dbus_connection_call_get_all (GDBusConnection *dbus_connection,
const char *bus_name,
const char *object_path,
const char *interface_name,
int timeout_msec,
GCancellable *cancellable,
NMDBusConnectionCallDefaultCb callback,
gpointer user_data)
{
nm_assert (callback);
g_dbus_connection_call (dbus_connection,
bus_name,
object_path,
DBUS_INTERFACE_PROPERTIES,
"GetAll",
g_variant_new ("(s)", interface_name),
G_VARIANT_TYPE ("(a{sv})"),
G_DBUS_CALL_FLAGS_NONE,
timeout_msec,
cancellable,
_nm_dbus_connection_call_default_cb,
nm_utils_user_data_pack (user_data, callback));
}
void nm_dbus_connection_call_set (GDBusConnection *dbus_connection,
const char *bus_name,
const char *object_path,
const char *interface_name,
const char *property_name,
GVariant *value,
int timeout_msec,
GCancellable *cancellable,
NMDBusConnectionCallDefaultCb callback,
gpointer user_data)
{
g_dbus_connection_call (dbus_connection,
bus_name,
object_path,
DBUS_INTERFACE_PROPERTIES,
"Set",
g_variant_new ("(ssv)",
interface_name,
property_name,
value),
G_VARIANT_TYPE ("()"),
G_DBUS_CALL_FLAGS_NONE,
timeout_msec,
cancellable,
callback ? _nm_dbus_connection_call_default_cb : NULL,
callback ? nm_utils_user_data_pack (user_data, callback) : NULL);
}
/*****************************************************************************/
static void
_nm_dbus_connection_call_get_managed_objects_cb (GObject *source,
GAsyncResult *res,
gpointer user_data)
{
gs_unref_variant GVariant *ret = NULL;
gs_unref_variant GVariant *arg = NULL;
gs_free_error GError *error = NULL;
gpointer orig_user_data;
NMDBusConnectionCallDefaultCb callback;
nm_utils_user_data_unpack (user_data, &orig_user_data, &callback);
ret = g_dbus_connection_call_finish (G_DBUS_CONNECTION (source), res, &error);
nm_assert ((!!ret) != (!!error));
if (ret) {
nm_assert (g_variant_is_of_type (ret, G_VARIANT_TYPE ("(a{oa{sa{sv}}})")));
arg = g_variant_get_child_value (ret, 0);
}
callback (arg, error, orig_user_data);
}
void
nm_dbus_connection_call_get_managed_objects (GDBusConnection *dbus_connection,
const char *bus_name,
const char *object_path,
GDBusCallFlags flags,
int timeout_msec,
GCancellable *cancellable,
NMDBusConnectionCallDefaultCb callback,
gpointer user_data)
{
nm_assert (callback);
g_dbus_connection_call (dbus_connection,
bus_name,
object_path,
DBUS_INTERFACE_OBJECT_MANAGER,
"GetManagedObjects",
NULL,
G_VARIANT_TYPE ("(a{oa{sa{sv}}})"),
flags,
timeout_msec,
cancellable,
_nm_dbus_connection_call_get_managed_objects_cb,
nm_utils_user_data_pack (user_data, callback));
}
/*****************************************************************************/
static void
_call_finish_cb (GObject *source,
GAsyncResult *result,
gpointer user_data,
gboolean return_void,
gboolean strip_dbus_error)
{
gs_unref_object GTask *task = user_data;
gs_unref_variant GVariant *ret = NULL;
GError *error = NULL;
nm_assert (G_IS_DBUS_CONNECTION (source));
nm_assert (G_IS_TASK (user_data));
ret = g_dbus_connection_call_finish (G_DBUS_CONNECTION (source), result, &error);
if (!ret) {
if (strip_dbus_error)
g_dbus_error_strip_remote_error (error);
g_task_return_error (task, error);
return;
}
if (!return_void) {
nm_assert (!g_variant_is_of_type (ret, G_VARIANT_TYPE ("()")));
g_task_return_pointer (task, g_steal_pointer (&ret), (GDestroyNotify) g_variant_unref);
} else {
nm_assert (g_variant_is_of_type (ret, G_VARIANT_TYPE ("()")));
g_task_return_boolean (task, TRUE);
}
}
/**
* nm_dbus_connection_call_finish_void_cb:
*
* A default callback to pass as callback to g_dbus_connection_call().
*
* - user_data must be a GTask, whose reference will be consumed by the
* callback.
* - the return GVariant must be a empty tuple "()".
* - the GTask is returned either with error or TRUE boolean.
*/
void
nm_dbus_connection_call_finish_void_cb (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
_call_finish_cb (source, result, user_data, TRUE, FALSE);
}
/**
* nm_dbus_connection_call_finish_void_strip_dbus_error_cb:
*
* Like nm_dbus_connection_call_finish_void_cb(). The difference
* is that on error this will first call g_dbus_error_strip_remote_error() on the error.
*/
void
nm_dbus_connection_call_finish_void_strip_dbus_error_cb (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
_call_finish_cb (source, result, user_data, TRUE, TRUE);
}
/**
* nm_dbus_connection_call_finish_variant_cb:
*
* A default callback to pass as callback to g_dbus_connection_call().
*
* - user_data must be a GTask, whose reference will be consumed by the
* callback.
* - the return GVariant must not be an empty tuple "()".
* - the GTask is returned either with error or with a pointer containing the GVariant.
*/
void
nm_dbus_connection_call_finish_variant_cb (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
_call_finish_cb (source, result, user_data, FALSE, FALSE);
}
/**
* nm_dbus_connection_call_finish_variant_strip_dbus_error_cb:
*
* Like nm_dbus_connection_call_finish_variant_strip_dbus_error_cb(). The difference
* is that on error this will first call g_dbus_error_strip_remote_error() on the error.
*/
void
nm_dbus_connection_call_finish_variant_strip_dbus_error_cb (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
_call_finish_cb (source, result, user_data, FALSE, TRUE);
}
/*****************************************************************************/
gboolean
_nm_dbus_error_is (GError *error, ...)
{
gs_free char *dbus_error = NULL;
const char *name;
va_list ap;
dbus_error = g_dbus_error_get_remote_error (error);
if (!dbus_error)
return FALSE;
va_start (ap, error);
while ((name = va_arg (ap, const char *))) {
if (nm_streq (dbus_error, name)) {
va_end (ap);
return TRUE;
}
}
va_end (ap);
return FALSE;
}
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