86 lines
3.1 KiB
C
86 lines
3.1 KiB
C
/* $OpenBSD: ucred.h,v 1.14 2022/03/17 14:23:34 visa Exp $ */
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/* $NetBSD: ucred.h,v 1.12 1995/06/01 22:44:50 jtc Exp $ */
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/*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)ucred.h 8.2 (Berkeley) 1/4/94
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*/
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#ifndef _SYS_UCRED_H_
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#define _SYS_UCRED_H_
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#include <sys/refcnt.h>
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#include <sys/syslimits.h>
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/*
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* Credentials.
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*/
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struct ucred {
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struct refcnt cr_refcnt; /* reference count */
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/* The following fields are all copied by crset() */
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#define cr_startcopy cr_uid
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uid_t cr_uid; /* effective user id */
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uid_t cr_ruid; /* Real user id. */
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uid_t cr_svuid; /* Saved effective user id. */
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gid_t cr_gid; /* effective group id */
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gid_t cr_rgid; /* Real group id. */
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gid_t cr_svgid; /* Saved effective group id. */
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short cr_ngroups; /* number of groups */
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gid_t cr_groups[NGROUPS_MAX]; /* groups */
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};
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#define NOCRED ((struct ucred *)-1) /* no credential available */
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#define FSCRED ((struct ucred *)-2) /* filesystem credential */
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/*
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* Userspace version, for use in syscalls arguments
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*/
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struct xucred {
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uid_t cr_uid; /* user id */
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gid_t cr_gid; /* group id */
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short cr_ngroups; /* number of groups */
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gid_t cr_groups[NGROUPS_MAX]; /* groups */
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};
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#ifdef _KERNEL
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int crfromxucred(struct ucred *, const struct xucred *);
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void crset(struct ucred *, const struct ucred *);
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struct ucred *crcopy(struct ucred *cr);
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struct ucred *crdup(struct ucred *cr);
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void crfree(struct ucred *cr);
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struct ucred *crget(void);
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struct ucred *crhold(struct ucred *);
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int suser(struct proc *p);
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int suser_ucred(struct ucred *cred);
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#endif /* _KERNEL */
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#endif /* !_SYS_UCRED_H_ */
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