1 /* $OpenBSD: ucred.h,v 1.6 2003/08/15 20:32:20 tedu Exp $ */
2 /* $NetBSD: ucred.h,v 1.12 1995/06/01 22:44:50 jtc Exp $ */
3
4 /*
5 * Copyright (c) 1989, 1993
6 * The Regents of the University of California. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * @(#)ucred.h 8.2 (Berkeley) 1/4/94
33 */
34
35 #ifndef _SYS_UCRED_H_
36 #define _SYS_UCRED_H_
37
38 /*
39 * Credentials.
40 */
41 struct ucred {
42 u_int cr_ref; /* reference count */
43 uid_t cr_uid; /* effective user id */
44 gid_t cr_gid; /* effective group id */
45 short cr_ngroups; /* number of groups */
46 gid_t cr_groups[NGROUPS]; /* groups */
47 };
48 #define NOCRED ((struct ucred *)-1) /* no credential available */
49 #define FSCRED ((struct ucred *)-2) /* filesystem credential */
50
51 #ifdef _KERNEL
52 #define crhold(cr) (cr)->cr_ref++
53
54 #define SUSER_NOACCT 0x1 /* don't mark accounting flags */
55
56 struct ucred *crcopy(struct ucred *cr);
57 struct ucred *crdup(struct ucred *cr);
58 void crfree(struct ucred *cr);
59 struct ucred *crget(void);
60 int suser(struct proc *p, u_int flags);
61 int suser_ucred(struct ucred *cred);
62
63 #endif /* _KERNEL */
64
65 #endif /* !_SYS_UCRED_H_ */