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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 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/>.
*
*/
#ifndef QAUTHZ_BASE_H
#define QAUTHZ_BASE_H
#include "qapi/error.h"
#include "qom/object.h"
#define TYPE_QAUTHZ "authz"
typedef struct QAuthZ QAuthZ;
typedef struct QAuthZClass QAuthZClass;
#define QAUTHZ_CLASS(klass) \
OBJECT_CLASS_CHECK(QAuthZClass, (klass), \
TYPE_QAUTHZ)
#define QAUTHZ_GET_CLASS(obj) \
OBJECT_GET_CLASS(QAuthZClass, (obj), \
TYPE_QAUTHZ)
#define QAUTHZ(obj) \
OBJECT_CHECK(QAuthZ, (obj), \
TYPE_QAUTHZ)
/**
* QAuthZ:
*
* The QAuthZ class defines an API contract to be used
* for providing an authorization driver for services
* with user identities.
*/
struct QAuthZ {
Object parent_obj;
};
struct QAuthZClass {
ObjectClass parent_class;
bool (*is_allowed)(QAuthZ *authz,
const char *identity,
Error **errp);
};
/**
* qauthz_is_allowed:
* @authz: the authorization object
* @identity: the user identity to authorize
* @errp: pointer to a NULL initialized error object
*
* Check if a user @identity is authorized. If an error
* occurs this method will return false to indicate
* denial, as well as setting @errp to contain the details.
* Callers are recommended to treat the denial and error
* scenarios identically. Specifically the error info in
* @errp should never be fed back to the user being
* authorized, it is merely for benefit of administrator
* debugging.
*
* Returns: true if @identity is authorized, false if denied or if
* an error occurred.
*/
bool qauthz_is_allowed(QAuthZ *authz,
const char *identity,
Error **errp);
/**
* qauthz_is_allowed_by_id:
* @authzid: ID of the authorization object
* @identity: the user identity to authorize
* @errp: pointer to a NULL initialized error object
*
* Check if a user @identity is authorized. If an error
* occurs this method will return false to indicate
* denial, as well as setting @errp to contain the details.
* Callers are recommended to treat the denial and error
* scenarios identically. Specifically the error info in
* @errp should never be fed back to the user being
* authorized, it is merely for benefit of administrator
* debugging.
*
* Returns: true if @identity is authorized, false if denied or if
* an error occurred.
*/
bool qauthz_is_allowed_by_id(const char *authzid,
const char *identity,
Error **errp);
#endif /* QAUTHZ_BASE_H */
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