ucred.h revision 199767f8919635c4928607450d9e0abb932109ce
/*-
* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)ucred.h 8.4 (Berkeley) 1/9/95
* $FreeBSD$
*/
#ifndef _SYS_UCRED_H_
#define _SYS_UCRED_H_
struct loginclass;
#define XU_NGROUPS 16
/*
* Credentials.
*
* Please do not inspect cr_uid directly to determine superuserness. The
* priv(9) interface should be used to check for privilege.
*/
#if defined(_KERNEL) || defined(_WANT_UCRED)
struct ucred {
#define cr_startcopy cr_uid
int cr_ngroups; /* number of groups */
#define cr_endcopy cr_label
int cr_agroups; /* Available groups */
};
#endif /* _KERNEL || _WANT_UCRED */
/*
* Flags for cr_flags.
*/
/*
* This is the external representation of struct ucred.
*/
struct xucred {
short cr_ngroups; /* number of groups */
void *_cr_unused1; /* compatibility with old ucred */
};
#define XUCRED_VERSION 0
/* This can be used for both ucred and xucred structures. */
#ifdef _KERNEL
struct proc;
struct thread;
#endif /* _KERNEL */
#endif /* !_SYS_UCRED_H_ */