216 lines
7.1 KiB
C
216 lines
7.1 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright 2014 Garrett D'Amore <garrett@damore.org>
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*
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* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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* Copyright 2017 RackTop Systems.
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*/
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#ifndef _SYS_ACL_H
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#define _SYS_ACL_H
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#include <sys/types.h>
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#include <sys/acl_impl.h>
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/*
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* When compiling OpenSolaris kernel code, this file is included instead of the
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* FreeBSD one. Include the original sys/acl.h as well.
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*/
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#undef _SYS_ACL_H
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#include_next <sys/acl.h>
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#define _SYS_ACL_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define MAX_ACL_ENTRIES (1024) /* max entries of each type */
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typedef struct {
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int a_type; /* the type of ACL entry */
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uid_t a_id; /* the entry in -uid or gid */
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o_mode_t a_perm; /* the permission field */
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} aclent_t;
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typedef struct ace {
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uid_t a_who; /* uid or gid */
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uint32_t a_access_mask; /* read,write,... */
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uint16_t a_flags; /* see below */
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uint16_t a_type; /* allow or deny */
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} ace_t;
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/*
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* The following are Defined types for an aclent_t.
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*/
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#define USER_OBJ (0x01) /* object owner */
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#define USER (0x02) /* additional users */
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#define GROUP_OBJ (0x04) /* owning group of the object */
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#define GROUP (0x08) /* additional groups */
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#define CLASS_OBJ (0x10) /* file group class and mask entry */
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#define OTHER_OBJ (0x20) /* other entry for the object */
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#define ACL_DEFAULT (0x1000) /* default flag */
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/* default object owner */
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#define DEF_USER_OBJ (ACL_DEFAULT | USER_OBJ)
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/* default additional users */
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#define DEF_USER (ACL_DEFAULT | USER)
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/* default owning group */
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#define DEF_GROUP_OBJ (ACL_DEFAULT | GROUP_OBJ)
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/* default additional groups */
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#define DEF_GROUP (ACL_DEFAULT | GROUP)
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/* default mask entry */
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#define DEF_CLASS_OBJ (ACL_DEFAULT | CLASS_OBJ)
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/* default other entry */
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#define DEF_OTHER_OBJ (ACL_DEFAULT | OTHER_OBJ)
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/*
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* The following are defined for ace_t.
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*/
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#define ACE_READ_DATA 0x00000001
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#define ACE_LIST_DIRECTORY 0x00000001
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#define ACE_WRITE_DATA 0x00000002
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#define ACE_ADD_FILE 0x00000002
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#define ACE_APPEND_DATA 0x00000004
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#define ACE_ADD_SUBDIRECTORY 0x00000004
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#define ACE_READ_NAMED_ATTRS 0x00000008
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#define ACE_WRITE_NAMED_ATTRS 0x00000010
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#define ACE_EXECUTE 0x00000020
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#define ACE_DELETE_CHILD 0x00000040
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#define ACE_READ_ATTRIBUTES 0x00000080
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#define ACE_WRITE_ATTRIBUTES 0x00000100
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#define ACE_DELETE 0x00010000
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#define ACE_READ_ACL 0x00020000
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#define ACE_WRITE_ACL 0x00040000
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#define ACE_WRITE_OWNER 0x00080000
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#define ACE_SYNCHRONIZE 0x00100000
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#define ACE_FILE_INHERIT_ACE 0x0001
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#define ACE_DIRECTORY_INHERIT_ACE 0x0002
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#define ACE_NO_PROPAGATE_INHERIT_ACE 0x0004
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#define ACE_INHERIT_ONLY_ACE 0x0008
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#define ACE_SUCCESSFUL_ACCESS_ACE_FLAG 0x0010
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#define ACE_FAILED_ACCESS_ACE_FLAG 0x0020
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#define ACE_IDENTIFIER_GROUP 0x0040
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#define ACE_INHERITED_ACE 0x0080
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#define ACE_OWNER 0x1000
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#define ACE_GROUP 0x2000
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#define ACE_EVERYONE 0x4000
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#define ACE_ACCESS_ALLOWED_ACE_TYPE 0x0000
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#define ACE_ACCESS_DENIED_ACE_TYPE 0x0001
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#define ACE_SYSTEM_AUDIT_ACE_TYPE 0x0002
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#define ACE_SYSTEM_ALARM_ACE_TYPE 0x0003
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#define ACL_AUTO_INHERIT 0x0001
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#define ACL_PROTECTED 0x0002
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#define ACL_DEFAULTED 0x0004
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#define ACL_FLAGS_ALL (ACL_AUTO_INHERIT|ACL_PROTECTED| \
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ACL_DEFAULTED)
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/*
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* These are only applicable in a CIFS context.
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*/
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#define ACE_ACCESS_ALLOWED_COMPOUND_ACE_TYPE 0x04
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#define ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE 0x05
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#define ACE_ACCESS_DENIED_OBJECT_ACE_TYPE 0x06
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#define ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE 0x07
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#define ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE 0x08
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#define ACE_ACCESS_ALLOWED_CALLBACK_ACE_TYPE 0x09
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#define ACE_ACCESS_DENIED_CALLBACK_ACE_TYPE 0x0A
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#define ACE_ACCESS_ALLOWED_CALLBACK_OBJECT_ACE_TYPE 0x0B
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#define ACE_ACCESS_DENIED_CALLBACK_OBJECT_ACE_TYPE 0x0C
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#define ACE_SYSTEM_AUDIT_CALLBACK_ACE_TYPE 0x0D
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#define ACE_SYSTEM_ALARM_CALLBACK_ACE_TYPE 0x0E
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#define ACE_SYSTEM_AUDIT_CALLBACK_OBJECT_ACE_TYPE 0x0F
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#define ACE_SYSTEM_ALARM_CALLBACK_OBJECT_ACE_TYPE 0x10
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#define ACE_ALL_TYPES 0x001F
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typedef struct ace_object {
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uid_t a_who; /* uid or gid */
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uint32_t a_access_mask; /* read,write,... */
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uint16_t a_flags; /* see below */
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uint16_t a_type; /* allow or deny */
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uint8_t a_obj_type[16]; /* obj type */
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uint8_t a_inherit_obj_type[16]; /* inherit obj */
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} ace_object_t;
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#define ACE_ALL_PERMS (ACE_READ_DATA|ACE_LIST_DIRECTORY|ACE_WRITE_DATA| \
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ACE_ADD_FILE|ACE_APPEND_DATA|ACE_ADD_SUBDIRECTORY|ACE_READ_NAMED_ATTRS| \
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ACE_WRITE_NAMED_ATTRS|ACE_EXECUTE|ACE_DELETE_CHILD|ACE_READ_ATTRIBUTES| \
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ACE_WRITE_ATTRIBUTES|ACE_DELETE|ACE_READ_ACL|ACE_WRITE_ACL| \
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ACE_WRITE_OWNER|ACE_SYNCHRONIZE)
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#define ACE_ALL_WRITE_PERMS (ACE_WRITE_DATA|ACE_APPEND_DATA| \
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ACE_WRITE_ATTRIBUTES|ACE_WRITE_NAMED_ATTRS|ACE_WRITE_ACL| \
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ACE_WRITE_OWNER|ACE_DELETE|ACE_DELETE_CHILD)
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#define ACE_READ_PERMS (ACE_READ_DATA|ACE_READ_ACL|ACE_READ_ATTRIBUTES| \
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ACE_READ_NAMED_ATTRS)
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#define ACE_WRITE_PERMS (ACE_WRITE_DATA|ACE_APPEND_DATA|ACE_WRITE_ATTRIBUTES| \
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ACE_WRITE_NAMED_ATTRS)
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#define ACE_MODIFY_PERMS (ACE_READ_DATA|ACE_LIST_DIRECTORY|ACE_WRITE_DATA| \
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ACE_ADD_FILE|ACE_APPEND_DATA|ACE_ADD_SUBDIRECTORY|ACE_READ_NAMED_ATTRS| \
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ACE_WRITE_NAMED_ATTRS|ACE_EXECUTE|ACE_DELETE_CHILD|ACE_READ_ATTRIBUTES| \
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ACE_WRITE_ATTRIBUTES|ACE_DELETE|ACE_READ_ACL|ACE_SYNCHRONIZE)
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/*
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* The following flags are supported by both NFSv4 ACLs and ace_t.
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*/
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#define ACE_NFSV4_SUP_FLAGS (ACE_FILE_INHERIT_ACE | \
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ACE_DIRECTORY_INHERIT_ACE | \
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ACE_NO_PROPAGATE_INHERIT_ACE | \
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ACE_INHERIT_ONLY_ACE | \
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ACE_INHERITED_ACE | \
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ACE_IDENTIFIER_GROUP)
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#define ACE_TYPE_FLAGS (ACE_OWNER|ACE_GROUP|ACE_EVERYONE| \
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ACE_IDENTIFIER_GROUP)
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#define ACE_INHERIT_FLAGS (ACE_FILE_INHERIT_ACE| ACL_INHERITED_ACE| \
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ACE_DIRECTORY_INHERIT_ACE|ACE_NO_PROPAGATE_INHERIT_ACE|ACE_INHERIT_ONLY_ACE)
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/* cmd args to acl(2) for aclent_t */
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#define GETACL 1
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#define SETACL 2
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#define GETACLCNT 3
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/* cmd's to manipulate ace acls. */
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#define ACE_GETACL 4
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#define ACE_SETACL 5
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#define ACE_GETACLCNT 6
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/* minimal acl entries from GETACLCNT */
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#define MIN_ACL_ENTRIES 4
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extern void aces_from_acl(ace_t *aces, int *nentries, const struct acl *aclp);
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extern int acl_from_aces(struct acl *aclp, const ace_t *aces, int nentries);
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extern void ksort(caddr_t, int, int, int (*)(void *, void *));
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extern int cmp2acls(void *, void *);
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extern int acl(const char *path, int cmd, int cnt, void *buf);
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extern int facl(int fd, int cmd, int cnt, void *buf);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYS_ACL_H */
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