1/*
  2 * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
  3 *
  4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  5 *
  6 * This file contains Original Code and/or Modifications of Original Code
  7 * as defined in and that are subject to the Apple Public Source License
  8 * Version 2.0 (the 'License'). You may not use this file except in
  9 * compliance with the License. The rights granted to you under the License
 10 * may not be used to create, or enable the creation or redistribution of,
 11 * unlawful or unlicensed copies of an Apple operating system, or to
 12 * circumvent, violate, or enable the circumvention or violation of, any
 13 * terms of an Apple operating system software license agreement.
 14 *
 15 * Please obtain a copy of the License at
 16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 17 *
 18 * The Original Code and all software distributed under the License are
 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 23 * Please see the License for the specific language governing rights and
 24 * limitations under the License.
 25 *
 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 27 */
 28/* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */
 29/*
 30 * Copyright (c) 1989, 1993
 31 *	The Regents of the University of California.  All rights reserved.
 32 *
 33 * Redistribution and use in source and binary forms, with or without
 34 * modification, are permitted provided that the following conditions
 35 * are met:
 36 * 1. Redistributions of source code must retain the above copyright
 37 *    notice, this list of conditions and the following disclaimer.
 38 * 2. Redistributions in binary form must reproduce the above copyright
 39 *    notice, this list of conditions and the following disclaimer in the
 40 *    documentation and/or other materials provided with the distribution.
 41 * 3. All advertising materials mentioning features or use of this software
 42 *    must display the following acknowledgement:
 43 *	This product includes software developed by the University of
 44 *	California, Berkeley and its contributors.
 45 * 4. Neither the name of the University nor the names of its contributors
 46 *    may be used to endorse or promote products derived from this software
 47 *    without specific prior written permission.
 48 *
 49 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 50 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 51 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 52 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 53 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 54 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 55 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 56 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 57 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 58 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 59 * SUCH DAMAGE.
 60 *
 61 *	@(#)ucred.h	8.4 (Berkeley) 1/9/95
 62 */
 63/*
 64 * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce
 65 * support for mandatory and extensible security protections.  This notice
 66 * is included in support of clause 2.2 (b) of the Apple Public License,
 67 * Version 2.0.
 68 */
 69
 70#ifndef _SYS_UCRED_H_
 71#define _SYS_UCRED_H_
 72
 73#include <sys/appleapiopts.h>
 74#include <sys/cdefs.h>
 75#include <sys/param.h>
 76#include <bsm/audit.h>
 77
 78struct label;
 79
 80#ifdef __APPLE_API_UNSTABLE
 81struct ucred;
 82struct posix_cred;
 83
 84#ifndef _KAUTH_CRED_T
 85#define _KAUTH_CRED_T
 86typedef struct ucred *kauth_cred_t;
 87typedef struct posix_cred *posix_cred_t;
 88#endif  /* !_KAUTH_CRED_T */
 89
 90/*
 91 * Credential flags that can be set on a credential
 92 */
 93#define CRF_NOMEMBERD   0x00000001      /* memberd opt out by setgroups() */
 94#define CRF_MAC_ENFORCE 0x00000002      /* force entry through MAC Framework */
 95                                        /* also forces credential cache miss */
 96
 97/*
 98 * This is the external representation of struct ucred.
 99 */
100struct xucred {
101	u_int   cr_version;             /* structure layout version */
102	uid_t   cr_uid;                 /* effective user id */
103	short   cr_ngroups;             /* number of advisory groups */
104	gid_t   cr_groups[NGROUPS];     /* advisory group list */
105};
106#define XUCRED_VERSION  0
107
108#define cr_gid cr_groups[0]
109#define NOCRED ((kauth_cred_t )0)       /* no credential available */
110#define FSCRED ((kauth_cred_t )-1)      /* filesystem credential */
111
112#define IS_VALID_CRED(_cr)      ((_cr) != NOCRED && (_cr) != FSCRED)
113
114#endif /* __APPLE_API_UNSTABLE */
115
116#endif /* !_SYS_UCRED_H_ */