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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_ACL_H
#define _SYS_ACL_H
#include <sys/types.h>
#include <sys/acl_impl.h>
#if defined(_KERNEL)
/*
* When compiling OpenSolaris kernel code, this file is getting
* included instead of FreeBSD one. Pull the original sys/acl.h as well.
*/
#undef _SYS_ACL_H
#include_next <sys/acl.h>
#define _SYS_ACL_H
#endif /* _KERNEL */
#ifdef __cplusplus
extern "C" {
#endif
#define MAX_ACL_ENTRIES (1024) /* max entries of each type */
typedef struct {
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; /* read,write,... */
uint16_t a_flags; /* see below */
uint16_t a_type; /* allow or deny */
} ace_t;
#ifndef _KERNEL
typedef struct acl_info acl_t;
#endif
/*
* 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)
/* default 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_READ_DATA 0x00000001
#define ACE_LIST_DIRECTORY 0x00000001
#define ACE_WRITE_DATA 0x00000002
#define ACE_ADD_FILE 0x00000002
#define ACE_APPEND_DATA 0x00000004
#define ACE_ADD_SUBDIRECTORY 0x00000004
#define ACE_READ_NAMED_ATTRS 0x00000008
#define ACE_WRITE_NAMED_ATTRS 0x00000010
#define ACE_EXECUTE 0x00000020
#define ACE_DELETE_CHILD 0x00000040
#define ACE_READ_ATTRIBUTES 0x00000080
#define ACE_WRITE_ATTRIBUTES 0x00000100
#define ACE_DELETE 0x00010000
#define ACE_READ_ACL 0x00020000
#define ACE_WRITE_ACL 0x00040000
#define ACE_WRITE_OWNER 0x00080000
#define ACE_SYNCHRONIZE 0x00100000
#define ACE_FILE_INHERIT_ACE 0x0001
#define ACE_DIRECTORY_INHERIT_ACE 0x0002
#define ACE_NO_PROPAGATE_INHERIT_ACE 0x0004
#define ACE_INHERIT_ONLY_ACE 0x0008
#define ACE_SUCCESSFUL_ACCESS_ACE_FLAG 0x0010
#define ACE_FAILED_ACCESS_ACE_FLAG 0x0020
#define ACE_IDENTIFIER_GROUP 0x0040
#define ACE_INHERITED_ACE 0x0080
#define ACE_OWNER 0x1000
#define ACE_GROUP 0x2000
#define ACE_EVERYONE 0x4000
#define ACE_ACCESS_ALLOWED_ACE_TYPE 0x0000
#define ACE_ACCESS_DENIED_ACE_TYPE 0x0001
#define ACE_SYSTEM_AUDIT_ACE_TYPE 0x0002
#define ACE_SYSTEM_ALARM_ACE_TYPE 0x0003
#define ACL_AUTO_INHERIT 0x0001
#define ACL_PROTECTED 0x0002
#define ACL_DEFAULTED 0x0004
#define ACL_FLAGS_ALL (ACL_AUTO_INHERIT|ACL_PROTECTED| \
ACL_DEFAULTED)
#ifdef _KERNEL
/*
* These are only applicable in a CIFS context.
*/
#define ACE_ACCESS_ALLOWED_COMPOUND_ACE_TYPE 0x04
#define ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE 0x05
#define ACE_ACCESS_DENIED_OBJECT_ACE_TYPE 0x06
#define ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE 0x07
#define ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE 0x08
#define ACE_ACCESS_ALLOWED_CALLBACK_ACE_TYPE 0x09
#define ACE_ACCESS_DENIED_CALLBACK_ACE_TYPE 0x0A
#define ACE_ACCESS_ALLOWED_CALLBACK_OBJECT_ACE_TYPE 0x0B
#define ACE_ACCESS_DENIED_CALLBACK_OBJECT_ACE_TYPE 0x0C
#define ACE_SYSTEM_AUDIT_CALLBACK_ACE_TYPE 0x0D
#define ACE_SYSTEM_ALARM_CALLBACK_ACE_TYPE 0x0E
#define ACE_SYSTEM_AUDIT_CALLBACK_OBJECT_ACE_TYPE 0x0F
#define ACE_SYSTEM_ALARM_CALLBACK_OBJECT_ACE_TYPE 0x10
#define ACE_ALL_TYPES 0x001F
typedef struct ace_object {
uid_t a_who; /* uid or gid */
uint32_t a_access_mask; /* read,write,... */
uint16_t a_flags; /* see below */
uint16_t a_type; /* allow or deny */
uint8_t a_obj_type[16]; /* obj type */
uint8_t a_inherit_obj_type[16]; /* inherit obj */
} ace_object_t;
#endif
#define ACE_ALL_PERMS (ACE_READ_DATA|ACE_LIST_DIRECTORY|ACE_WRITE_DATA| \
ACE_ADD_FILE|ACE_APPEND_DATA|ACE_ADD_SUBDIRECTORY|ACE_READ_NAMED_ATTRS| \
ACE_WRITE_NAMED_ATTRS|ACE_EXECUTE|ACE_DELETE_CHILD|ACE_READ_ATTRIBUTES| \
ACE_WRITE_ATTRIBUTES|ACE_DELETE|ACE_READ_ACL|ACE_WRITE_ACL| \
ACE_WRITE_OWNER|ACE_SYNCHRONIZE)
#define ACE_ALL_WRITE_PERMS (ACE_WRITE_DATA|ACE_APPEND_DATA| \
ACE_WRITE_ATTRIBUTES|ACE_WRITE_NAMED_ATTRS|ACE_WRITE_ACL| \
ACE_WRITE_OWNER|ACE_DELETE|ACE_DELETE_CHILD)
#define ACE_READ_PERMS (ACE_READ_DATA|ACE_READ_ACL|ACE_READ_ATTRIBUTES| \
ACE_READ_NAMED_ATTRS)
#define ACE_WRITE_PERMS (ACE_WRITE_DATA|ACE_APPEND_DATA|ACE_WRITE_ATTRIBUTES| \
ACE_WRITE_NAMED_ATTRS)
#define ACE_MODIFY_PERMS (ACE_READ_DATA|ACE_LIST_DIRECTORY|ACE_WRITE_DATA| \
ACE_ADD_FILE|ACE_APPEND_DATA|ACE_ADD_SUBDIRECTORY|ACE_READ_NAMED_ATTRS| \
ACE_WRITE_NAMED_ATTRS|ACE_EXECUTE|ACE_DELETE_CHILD|ACE_READ_ATTRIBUTES| \
ACE_WRITE_ATTRIBUTES|ACE_DELETE|ACE_READ_ACL|ACE_SYNCHRONIZE)
/*
* 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_PROPAGATE_INHERIT_ACE | \
ACE_INHERIT_ONLY_ACE | \
ACE_IDENTIFIER_GROUP)
#define ACE_TYPE_FLAGS (ACE_OWNER|ACE_GROUP|ACE_EVERYONE| \
ACE_IDENTIFIER_GROUP)
#define ACE_INHERIT_FLAGS (ACE_FILE_INHERIT_ACE| \
ACE_DIRECTORY_INHERIT_ACE|ACE_NO_PROPAGATE_INHERIT_ACE|ACE_INHERIT_ONLY_ACE)
/* cmd args to acl(2) for aclent_t */
#define GETACL 1
#define SETACL 2
#define GETACLCNT 3
/* cmd's to manipulate ace acls. */
#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 */
#define ACE_ACL ('3') /* ace_t style acls */
/*
* flag to [f]acl_get()
* controls whether a trivial acl should be returned.
*/
#define ACL_NO_TRIVIAL 0x2
/*
* Flags to control acl_totext()
*/
#define ACL_APPEND_ID 0x1 /* append uid/gid to user/group entries */
#define ACL_COMPACT_FMT 0x2 /* build ACL in ls -V format */
#define ACL_NORESOLVE 0x4 /* don't do name service lookups */
#define ACL_SID_FMT 0x8 /* use usersid/groupsid when appropriate */
/*
* Legacy aclcheck errors for aclent_t ACLs
*/
#define EACL_GRP_ERROR GRP_ERROR
#define EACL_USER_ERROR USER_ERROR
#define EACL_OTHER_ERROR OTHER_ERROR
#define EACL_CLASS_ERROR CLASS_ERROR
#define EACL_DUPLICATE_ERROR DUPLICATE_ERROR
#define EACL_MISS_ERROR MISS_ERROR
#define EACL_MEM_ERROR MEM_ERROR
#define EACL_ENTRY_ERROR ENTRY_ERROR
#define EACL_INHERIT_ERROR 9 /* invalid inherit flags */
#define EACL_FLAGS_ERROR 10 /* unknown flag value */
#define EACL_PERM_MASK_ERROR 11 /* unknown permission */
#define EACL_COUNT_ERROR 12 /* invalid acl count */
#define EACL_INVALID_SLOT 13 /* invalid acl slot */
#define EACL_NO_ACL_ENTRY 14 /* Entry doesn't exist */
#define EACL_DIFF_TYPE 15 /* acls aren't same type */
#define EACL_INVALID_USER_GROUP 16 /* need user/group name */
#define EACL_INVALID_STR 17 /* invalid acl string */
#define EACL_FIELD_NOT_BLANK 18 /* can't have blank field */
#define EACL_INVALID_ACCESS_TYPE 19 /* invalid access type */
#define EACL_UNKNOWN_DATA 20 /* Unrecognized data in ACL */
#define EACL_MISSING_FIELDS 21 /* missing fields in acl */
#define EACL_INHERIT_NOTDIR 22 /* Need dir for inheritance */
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 *);
extern void acl_free(acl_t *);
extern int acl_get(const char *, int, acl_t **);
extern int facl_get(int, int, acl_t **);
extern int acl_set(const char *, acl_t *acl);
extern int facl_set(int, acl_t *acl);
extern int acl_strip(const char *, uid_t, gid_t, mode_t);
extern int acl_trivial(const char *);
extern char *acl_totext(acl_t *, int);
extern int acl_fromtext(const char *, acl_t **);
extern int acl_check(acl_t *, 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 */