acl.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_ACL_H
#define _SYS_ACL_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
#define MAX_ACL_ENTRIES (1024) /* max entries of each type */
typedef struct acl {
int a_type; /* the type of ACL entry */
uid_t a_id; /* the entry in -uid or gid */
o_mode_t a_perm; /* the permission field */
} aclent_t;
typedef struct ace {
uid_t a_who; /* uid or gid */
uint32_t a_access_mask; /* "rwx" */
uint16_t a_flags; /* see below */
uint16_t a_type; /* allow or deny */
} ace_t;
/*
* The following are Defined types for an aclent_t.
*/
#define USER_OBJ (0x01) /* object owner */
#define USER (0x02) /* additional users */
#define GROUP_OBJ (0x04) /* owning group of the object */
#define GROUP (0x08) /* additional groups */
#define CLASS_OBJ (0x10) /* file group class and mask entry */
#define OTHER_OBJ (0x20) /* other entry for the object */
#define ACL_DEFAULT (0x1000) /* default flag */
/* default object owner */
#define DEF_USER_OBJ (ACL_DEFAULT | USER_OBJ)
/* defalut additional users */
#define DEF_USER (ACL_DEFAULT | USER)
/* default owning group */
#define DEF_GROUP_OBJ (ACL_DEFAULT | GROUP_OBJ)
/* default additional groups */
#define DEF_GROUP (ACL_DEFAULT | GROUP)
/* default mask entry */
#define DEF_CLASS_OBJ (ACL_DEFAULT | CLASS_OBJ)
/* default other entry */
#define DEF_OTHER_OBJ (ACL_DEFAULT | OTHER_OBJ)
/*
* The following are defined for ace_t.
*/
#define ACE_FILE_INHERIT_ACE 0x0001
#define ACE_DIRECTORY_INHERIT_ACE 0x0002
#define ACE_NO_PROPOGATE_INHERIT_ACE 0x0004
#define ACE_INHERIT_ONLY_ACE 0x0008
#define ACE_LOCALLY_DEFINED 0x0010
#define ACE_OWNER 0x0100 /* file owner */
#define ACE_GROUP 0x0200 /* file group */
#define ACE_OTHER 0x0400 /* other field */
#define ACE_USER 0x0800 /* additional users */
#define ACE_GROUPS 0x1000 /* additional groups */
/*
* The following flags are supported by both NFSv4 ACLs and ace_t.
*/
#define ACE_NFSV4_SUP_FLAGS (ACE_FILE_INHERIT_ACE | \
ACE_DIRECTORY_INHERIT_ACE | \
ACE_NO_PROPOGATE_INHERIT_ACE | \
ACE_INHERIT_ONLY_ACE)
#define ALLOW 0
#define DENY 1
#define ACE_READ_DATA 04 /* 'r' */
#define ACE_WRITE_DATA 02 /* 'w' */
#define ACE_EXECUTE 01 /* 'x' */
/* cmd args to acl(2) for aclent_t */
#define GETACL 1
#define SETACL 2
#define GETACLCNT 3
/* cmd's to manipulate ace acl's. */
#define ACE_GETACL 4
#define ACE_SETACL 5
#define ACE_GETACLCNT 6
/* minimal acl entries from GETACLCNT */
#define MIN_ACL_ENTRIES 4
#if !defined(_KERNEL)
/* acl check errors */
#define GRP_ERROR 1
#define USER_ERROR 2
#define OTHER_ERROR 3
#define CLASS_ERROR 4
#define DUPLICATE_ERROR 5
#define MISS_ERROR 6
#define MEM_ERROR 7
#define ENTRY_ERROR 8
/*
* similar to ufs_acl.h: changed to char type for user commands (tar, cpio)
* Attribute types
*/
#define UFSD_FREE ('0') /* Free entry */
#define UFSD_ACL ('1') /* Access Control Lists */
#define UFSD_DFACL ('2') /* reserved for future use */
extern int aclcheck(aclent_t *, int, int *);
extern int acltomode(aclent_t *, int, mode_t *);
extern int aclfrommode(aclent_t *, int, mode_t *);
extern int aclsort(int, int, aclent_t *);
extern char *acltotext(aclent_t *, int);
extern aclent_t *aclfromtext(char *, int *);
#else /* !defined(_KERNEL) */
extern void ksort(caddr_t, int, int, int (*)(void *, void *));
extern int cmp2acls(void *, void *);
#endif /* !defined(_KERNEL) */
#if defined(__STDC__)
extern int acl(const char *path, int cmd, int cnt, void *buf);
extern int facl(int fd, int cmd, int cnt, void *buf);
#else /* !__STDC__ */
extern int acl();
extern int facl();
#endif /* defined(__STDC__) */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_ACL_H */