qemu-e2k/authz/base.c

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/*
* QEMU authorization framework base class
*
* Copyright (c) 2018 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include "qemu/osdep.h"
#include "authz/base.h"
#include "qemu/module.h"
#include "trace.h"
bool qauthz_is_allowed(QAuthZ *authz,
const char *identity,
Error **errp)
{
QAuthZClass *cls = QAUTHZ_GET_CLASS(authz);
bool allowed;
allowed = cls->is_allowed(authz, identity, errp);
trace_qauthz_is_allowed(authz, identity, allowed);
return allowed;
}
bool qauthz_is_allowed_by_id(const char *authzid,
const char *identity,
Error **errp)
{
QAuthZ *authz;
Object *obj;
Object *container;
container = object_get_objects_root();
obj = object_resolve_path_component(container,
authzid);
if (!obj) {
error_setg(errp, "Cannot find QAuthZ object ID %s",
authzid);
return false;
}
if (!object_dynamic_cast(obj, TYPE_QAUTHZ)) {
error_setg(errp, "Object '%s' is not a QAuthZ subclass",
authzid);
return false;
}
authz = QAUTHZ(obj);
return qauthz_is_allowed(authz, identity, errp);
}
static const TypeInfo authz_info = {
.parent = TYPE_OBJECT,
.name = TYPE_QAUTHZ,
.instance_size = sizeof(QAuthZ),
.class_size = sizeof(QAuthZClass),
.abstract = true,
};
static void qauthz_register_types(void)
{
type_register_static(&authz_info);
}
type_init(qauthz_register_types)