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ucred.h
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ucred.h
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/* $NetBSD: ucred.h,v 1.31 2006/07/16 21:13:00 elad Exp $ */
/*
* 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
* documentation and/or other materials provided with the distribution.
* 3. 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
*/
#ifndef _SYS_UCRED_H_
#define _SYS_UCRED_H_
#include <sys/param.h>
/*
* Credentials.
*/
/* Userland's view of credentials. This should not change */
struct uucred {
u_short cr_unused; /* not used, compat */
uid_t cr_uid; /* effective user id */
gid_t cr_gid; /* effective group id */
short cr_ngroups; /* number of groups */
gid_t cr_groups[NGROUPS]; /* groups */
};
struct ucred {
uint32_t cr_ref; /* reference count */
#define cr_startcopy cr_uid /* for dup & copy */
uid_t cr_uid; /* effective user id */
gid_t cr_gid; /* effective group id */
uint32_t cr_ngroups; /* number of groups */
gid_t cr_groups[NGROUPS]; /* groups */
};
#ifdef _KERNEL
/*
* flags that control when do_setres{u,g}id will do anything
*
* ID_XXX_EQ_YYY means
* "allow modifying XXX uid to the given value if the new value of
* XXX uid (or gid) equals the current value of YYY uid (or gid)."
*/
#define ID_E_EQ_E 0x001 /* effective equals effective */
#define ID_E_EQ_R 0x002 /* effective equals real */
#define ID_E_EQ_S 0x004 /* effective equals saved */
#define ID_R_EQ_E 0x010 /* real equals effective */
#define ID_R_EQ_R 0x020 /* real equals real */
#define ID_R_EQ_S 0x040 /* real equals saved */
#define ID_S_EQ_E 0x100 /* saved equals effective */
#define ID_S_EQ_R 0x200 /* saved equals real */
#define ID_S_EQ_S 0x400 /* saved equals saved */
int do_setresuid(struct lwp *, uid_t, uid_t, uid_t, u_int);
int do_setresgid(struct lwp *, gid_t, gid_t, gid_t, u_int);
#endif /* _KERNEL */
#endif /* !_SYS_UCRED_H_ */