304 lines
10 KiB
C
304 lines
10 KiB
C
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/*
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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 2009 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*
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* Copyright 2014 Garrett D'Amore <garrett@damore.org>
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* Copyright 2014 Nexenta Systems, Inc. All rights reserved.
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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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#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 acl {
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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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typedef struct acl_info acl_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 /* file: read data */
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#define ACE_LIST_DIRECTORY 0x00000001 /* dir: list files */
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#define ACE_WRITE_DATA 0x00000002 /* file: write data */
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#define ACE_ADD_FILE 0x00000002 /* dir: create file */
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#define ACE_APPEND_DATA 0x00000004 /* file: append data */
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#define ACE_ADD_SUBDIRECTORY 0x00000004 /* dir: create subdir */
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#define ACE_READ_NAMED_ATTRS 0x00000008 /* FILE_READ_EA */
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#define ACE_WRITE_NAMED_ATTRS 0x00000010 /* FILE_WRITE_EA */
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#define ACE_EXECUTE 0x00000020 /* file: execute */
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#define ACE_TRAVERSE 0x00000020 /* dir: lookup name */
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#define ACE_DELETE_CHILD 0x00000040 /* dir: unlink child */
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#define ACE_READ_ATTRIBUTES 0x00000080 /* (all) stat, etc. */
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#define ACE_WRITE_ATTRIBUTES 0x00000100 /* (all) utimes, etc. */
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#define ACE_DELETE 0x00010000 /* (all) unlink self */
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#define ACE_READ_ACL 0x00020000 /* (all) getsecattr */
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#define ACE_WRITE_ACL 0x00040000 /* (all) setsecattr */
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#define ACE_WRITE_OWNER 0x00080000 /* (all) chown */
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#define ACE_SYNCHRONIZE 0x00100000 /* (all) */
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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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#if defined(_KERNEL)
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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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#endif
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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_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| \
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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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#if !defined(_KERNEL)
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/* acl check errors */
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#define GRP_ERROR 1
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#define USER_ERROR 2
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#define OTHER_ERROR 3
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#define CLASS_ERROR 4
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#define DUPLICATE_ERROR 5
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#define MISS_ERROR 6
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#define MEM_ERROR 7
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#define ENTRY_ERROR 8
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/*
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* similar to ufs_acl.h: changed to char type for user commands (tar, cpio)
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* Attribute types
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*/
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#define UFSD_FREE ('0') /* Free entry */
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#define UFSD_ACL ('1') /* Access Control Lists */
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#define UFSD_DFACL ('2') /* reserved for future use */
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#define ACE_ACL ('3') /* ace_t style acls */
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/*
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* flag to [f]acl_get()
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* controls whether a trivial acl should be returned.
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*/
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#define ACL_NO_TRIVIAL 0x2
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/*
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* Flags to control acl_totext()
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*/
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#define ACL_APPEND_ID 0x1 /* append uid/gid to user/group entries */
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#define ACL_COMPACT_FMT 0x2 /* build ACL in ls -V format */
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#define ACL_NORESOLVE 0x4 /* don't do name service lookups */
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#define ACL_SID_FMT 0x8 /* use usersid/groupsid when appropriate */
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/*
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* Legacy aclcheck errors for aclent_t ACLs
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*/
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#define EACL_GRP_ERROR GRP_ERROR
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#define EACL_USER_ERROR USER_ERROR
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#define EACL_OTHER_ERROR OTHER_ERROR
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#define EACL_CLASS_ERROR CLASS_ERROR
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#define EACL_DUPLICATE_ERROR DUPLICATE_ERROR
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#define EACL_MISS_ERROR MISS_ERROR
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#define EACL_MEM_ERROR MEM_ERROR
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#define EACL_ENTRY_ERROR ENTRY_ERROR
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#define EACL_INHERIT_ERROR 9 /* invalid inherit flags */
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#define EACL_FLAGS_ERROR 10 /* unknown flag value */
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#define EACL_PERM_MASK_ERROR 11 /* unknown permission */
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#define EACL_COUNT_ERROR 12 /* invalid acl count */
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#define EACL_INVALID_SLOT 13 /* invalid acl slot */
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#define EACL_NO_ACL_ENTRY 14 /* Entry doesn't exist */
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#define EACL_DIFF_TYPE 15 /* acls aren't same type */
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#define EACL_INVALID_USER_GROUP 16 /* need user/group name */
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#define EACL_INVALID_STR 17 /* invalid acl string */
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#define EACL_FIELD_NOT_BLANK 18 /* can't have blank field */
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#define EACL_INVALID_ACCESS_TYPE 19 /* invalid access type */
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#define EACL_UNKNOWN_DATA 20 /* Unrecognized data in ACL */
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#define EACL_MISSING_FIELDS 21 /* missing fields in acl */
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#define EACL_INHERIT_NOTDIR 22 /* Need dir for inheritance */
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extern int aclcheck(aclent_t *, int, int *);
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extern int acltomode(aclent_t *, int, mode_t *);
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extern int aclfrommode(aclent_t *, int, mode_t *);
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extern int aclsort(int, int, aclent_t *);
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extern char *acltotext(aclent_t *, int);
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extern aclent_t *aclfromtext(char *, int *);
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extern void acl_free(acl_t *);
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extern int acl_get(const char *, int, acl_t **);
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extern int facl_get(int, int, acl_t **);
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extern int acl_set(const char *, acl_t *acl);
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extern int facl_set(int, acl_t *acl);
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extern int acl_strip(const char *, uid_t, gid_t, mode_t);
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extern int acl_trivial(const char *);
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extern char *acl_totext(acl_t *, int);
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extern int acl_fromtext(const char *, acl_t **);
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extern int acl_check(acl_t *, int);
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#else /* !defined(_KERNEL) */
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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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#endif /* !defined(_KERNEL) */
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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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