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3d9156a7 | 1 | /* |
1f2f436a | 2 | * Copyright (c) 2004, 2010 Apple Inc. All rights reserved. |
3d9156a7 A |
3 | * |
4 | * @APPLE_LICENSE_HEADER_START@ | |
5 | * | |
6 | * The contents of this file constitute Original Code as defined in and | |
7 | * are subject to the Apple Public Source License Version 1.1 (the | |
8 | * "License"). You may not use this file except in compliance with the | |
9 | * License. Please obtain a copy of the License at | |
10 | * http://www.apple.com/publicsource and read it before using this file. | |
11 | * | |
12 | * This Original Code and all software distributed under the License are | |
13 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the | |
17 | * License for the specific language governing rights and limitations | |
18 | * under the License. | |
19 | * | |
20 | * @APPLE_LICENSE_HEADER_END@ | |
21 | */ | |
22 | ||
23 | #ifndef _SYS_ACL_H | |
24 | #define _SYS_ACL_H | |
25 | ||
1f2f436a | 26 | #include <Availability.h> |
3d9156a7 A |
27 | #include <sys/kauth.h> |
28 | ||
1f2f436a A |
29 | #define __DARWIN_ACL_READ_DATA (1<<1) |
30 | #define __DARWIN_ACL_LIST_DIRECTORY __DARWIN_ACL_READ_DATA | |
31 | #define __DARWIN_ACL_WRITE_DATA (1<<2) | |
32 | #define __DARWIN_ACL_ADD_FILE __DARWIN_ACL_WRITE_DATA | |
33 | #define __DARWIN_ACL_EXECUTE (1<<3) | |
34 | #define __DARWIN_ACL_SEARCH __DARWIN_ACL_EXECUTE | |
35 | #define __DARWIN_ACL_DELETE (1<<4) | |
36 | #define __DARWIN_ACL_APPEND_DATA (1<<5) | |
37 | #define __DARWIN_ACL_ADD_SUBDIRECTORY __DARWIN_ACL_APPEND_DATA | |
38 | #define __DARWIN_ACL_DELETE_CHILD (1<<6) | |
39 | #define __DARWIN_ACL_READ_ATTRIBUTES (1<<7) | |
40 | #define __DARWIN_ACL_WRITE_ATTRIBUTES (1<<8) | |
41 | #define __DARWIN_ACL_READ_EXTATTRIBUTES (1<<9) | |
42 | #define __DARWIN_ACL_WRITE_EXTATTRIBUTES (1<<10) | |
43 | #define __DARWIN_ACL_READ_SECURITY (1<<11) | |
44 | #define __DARWIN_ACL_WRITE_SECURITY (1<<12) | |
45 | #define __DARWIN_ACL_CHANGE_OWNER (1<<13) | |
23e20b00 | 46 | #define __DARWIN_ACL_SYNCHRONIZE (1<<20) |
1f2f436a A |
47 | |
48 | #define __DARWIN_ACL_EXTENDED_ALLOW 1 | |
49 | #define __DARWIN_ACL_EXTENDED_DENY 2 | |
50 | ||
51 | #define __DARWIN_ACL_ENTRY_INHERITED (1<<4) | |
52 | #define __DARWIN_ACL_ENTRY_FILE_INHERIT (1<<5) | |
53 | #define __DARWIN_ACL_ENTRY_DIRECTORY_INHERIT (1<<6) | |
54 | #define __DARWIN_ACL_ENTRY_LIMIT_INHERIT (1<<7) | |
55 | #define __DARWIN_ACL_ENTRY_ONLY_INHERIT (1<<8) | |
56 | #define __DARWIN_ACL_FLAG_NO_INHERIT (1<<17) | |
57 | ||
3d9156a7 A |
58 | /* |
59 | * Implementation constants. | |
60 | * | |
61 | * The ACL_TYPE_EXTENDED binary format permits 169 entries plus | |
62 | * the ACL header in a page. Give ourselves some room to grow; | |
63 | * this limit is arbitrary. | |
64 | */ | |
65 | #define ACL_MAX_ENTRIES 128 | |
66 | ||
67 | /* 23.2.2 Individual object access permissions - nonstandard */ | |
68 | typedef enum { | |
1f2f436a A |
69 | ACL_READ_DATA = __DARWIN_ACL_READ_DATA, |
70 | ACL_LIST_DIRECTORY = __DARWIN_ACL_LIST_DIRECTORY, | |
71 | ACL_WRITE_DATA = __DARWIN_ACL_WRITE_DATA, | |
72 | ACL_ADD_FILE = __DARWIN_ACL_ADD_FILE, | |
73 | ACL_EXECUTE = __DARWIN_ACL_EXECUTE, | |
74 | ACL_SEARCH = __DARWIN_ACL_SEARCH, | |
75 | ACL_DELETE = __DARWIN_ACL_DELETE, | |
76 | ACL_APPEND_DATA = __DARWIN_ACL_APPEND_DATA, | |
77 | ACL_ADD_SUBDIRECTORY = __DARWIN_ACL_ADD_SUBDIRECTORY, | |
78 | ACL_DELETE_CHILD = __DARWIN_ACL_DELETE_CHILD, | |
79 | ACL_READ_ATTRIBUTES = __DARWIN_ACL_READ_ATTRIBUTES, | |
80 | ACL_WRITE_ATTRIBUTES = __DARWIN_ACL_WRITE_ATTRIBUTES, | |
81 | ACL_READ_EXTATTRIBUTES = __DARWIN_ACL_READ_EXTATTRIBUTES, | |
82 | ACL_WRITE_EXTATTRIBUTES = __DARWIN_ACL_WRITE_EXTATTRIBUTES, | |
83 | ACL_READ_SECURITY = __DARWIN_ACL_READ_SECURITY, | |
84 | ACL_WRITE_SECURITY = __DARWIN_ACL_WRITE_SECURITY, | |
85 | ACL_CHANGE_OWNER = __DARWIN_ACL_CHANGE_OWNER, | |
23e20b00 | 86 | ACL_SYNCHRONIZE = __DARWIN_ACL_SYNCHRONIZE, |
3d9156a7 A |
87 | } acl_perm_t; |
88 | ||
89 | /* 23.2.5 ACL entry tag type bits - nonstandard */ | |
90 | typedef enum { | |
91 | ACL_UNDEFINED_TAG = 0, | |
1f2f436a A |
92 | ACL_EXTENDED_ALLOW = __DARWIN_ACL_EXTENDED_ALLOW, |
93 | ACL_EXTENDED_DENY = __DARWIN_ACL_EXTENDED_DENY | |
3d9156a7 A |
94 | } acl_tag_t; |
95 | ||
96 | /* 23.2.6 Individual ACL types */ | |
97 | typedef enum { | |
98 | ACL_TYPE_EXTENDED = 0x00000100, | |
99 | /* Posix 1003.1e types - not supported */ | |
100 | ACL_TYPE_ACCESS = 0x00000000, | |
101 | ACL_TYPE_DEFAULT = 0x00000001, | |
102 | /* The following types are defined on FreeBSD/Linux - not supported */ | |
103 | ACL_TYPE_AFS = 0x00000002, | |
104 | ACL_TYPE_CODA = 0x00000003, | |
105 | ACL_TYPE_NTFS = 0x00000004, | |
106 | ACL_TYPE_NWFS = 0x00000005 | |
107 | } acl_type_t; | |
108 | ||
109 | /* 23.2.7 ACL qualifier constants */ | |
110 | ||
111 | #define ACL_UNDEFINED_ID NULL /* XXX ? */ | |
112 | ||
113 | /* 23.2.8 ACL Entry Constants */ | |
114 | typedef enum { | |
115 | ACL_FIRST_ENTRY = 0, | |
116 | ACL_NEXT_ENTRY = -1, | |
117 | ACL_LAST_ENTRY = -2 | |
118 | } acl_entry_id_t; | |
119 | ||
120 | /* nonstandard ACL / entry flags */ | |
121 | typedef enum { | |
122 | ACL_FLAG_DEFER_INHERIT = (1 << 0), /* tentative */ | |
1f2f436a A |
123 | ACL_FLAG_NO_INHERIT = __DARWIN_ACL_FLAG_NO_INHERIT, |
124 | ACL_ENTRY_INHERITED = __DARWIN_ACL_ENTRY_INHERITED, | |
125 | ACL_ENTRY_FILE_INHERIT = __DARWIN_ACL_ENTRY_FILE_INHERIT, | |
126 | ACL_ENTRY_DIRECTORY_INHERIT = __DARWIN_ACL_ENTRY_DIRECTORY_INHERIT, | |
127 | ACL_ENTRY_LIMIT_INHERIT = __DARWIN_ACL_ENTRY_LIMIT_INHERIT, | |
128 | ACL_ENTRY_ONLY_INHERIT = __DARWIN_ACL_ENTRY_ONLY_INHERIT | |
3d9156a7 A |
129 | } acl_flag_t; |
130 | ||
131 | /* "External" ACL types */ | |
132 | ||
133 | struct _acl; | |
134 | struct _acl_entry; | |
135 | struct _acl_permset; | |
136 | struct _acl_flagset; | |
137 | ||
138 | typedef struct _acl *acl_t; | |
139 | typedef struct _acl_entry *acl_entry_t; | |
140 | typedef struct _acl_permset *acl_permset_t; | |
141 | typedef struct _acl_flagset *acl_flagset_t; | |
142 | ||
1f2f436a A |
143 | typedef u_int64_t acl_permset_mask_t; |
144 | ||
3d9156a7 A |
145 | __BEGIN_DECLS |
146 | /* 23.1.6.1 ACL Storage Management */ | |
147 | extern acl_t acl_dup(acl_t acl); | |
148 | extern int acl_free(void *obj_p); | |
149 | extern acl_t acl_init(int count); | |
150 | ||
151 | /* 23.1.6.2 (1) ACL Entry manipulation */ | |
152 | extern int acl_copy_entry(acl_entry_t dest_d, acl_entry_t src_d); | |
153 | extern int acl_create_entry(acl_t *acl_p, acl_entry_t *entry_p); | |
154 | extern int acl_create_entry_np(acl_t *acl_p, acl_entry_t *entry_p, int entry_index); | |
155 | extern int acl_delete_entry(acl_t acl, acl_entry_t entry_d); | |
156 | extern int acl_get_entry(acl_t acl, int entry_id, acl_entry_t *entry_p); | |
157 | extern int acl_valid(acl_t acl); | |
158 | extern int acl_valid_fd_np(int fd, acl_type_t type, acl_t acl); | |
159 | extern int acl_valid_file_np(const char *path, acl_type_t type, acl_t acl); | |
160 | extern int acl_valid_link_np(const char *path, acl_type_t type, acl_t acl); | |
161 | ||
162 | /* 23.1.6.2 (2) Manipulate permissions within an ACL entry */ | |
163 | extern int acl_add_perm(acl_permset_t permset_d, acl_perm_t perm); | |
164 | extern int acl_calc_mask(acl_t *acl_p); /* not supported */ | |
165 | extern int acl_clear_perms(acl_permset_t permset_d); | |
166 | extern int acl_delete_perm(acl_permset_t permset_d, acl_perm_t perm); | |
167 | extern int acl_get_perm_np(acl_permset_t permset_d, acl_perm_t perm); | |
168 | extern int acl_get_permset(acl_entry_t entry_d, acl_permset_t *permset_p); | |
169 | extern int acl_set_permset(acl_entry_t entry_d, acl_permset_t permset_d); | |
170 | ||
1f2f436a A |
171 | /* nonstandard - manipulate permissions within an ACL entry using bitmasks */ |
172 | extern int acl_maximal_permset_mask_np(acl_permset_mask_t * mask_p) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3); | |
173 | extern int acl_get_permset_mask_np(acl_entry_t entry_d, acl_permset_mask_t * mask_p) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3); | |
174 | extern int acl_set_permset_mask_np(acl_entry_t entry_d, acl_permset_mask_t mask) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3); | |
175 | ||
3d9156a7 A |
176 | /* nonstandard - manipulate flags on ACLs and entries */ |
177 | extern int acl_add_flag_np(acl_flagset_t flagset_d, acl_flag_t flag); | |
178 | extern int acl_clear_flags_np(acl_flagset_t flagset_d); | |
179 | extern int acl_delete_flag_np(acl_flagset_t flagset_d, acl_flag_t flag); | |
180 | extern int acl_get_flag_np(acl_flagset_t flagset_d, acl_flag_t flag); | |
181 | extern int acl_get_flagset_np(void *obj_p, acl_flagset_t *flagset_p); | |
182 | extern int acl_set_flagset_np(void *obj_p, acl_flagset_t flagset_d); | |
183 | ||
184 | /* 23.1.6.2 (3) Manipulate ACL entry tag type and qualifier */ | |
185 | extern void *acl_get_qualifier(acl_entry_t entry_d); | |
186 | extern int acl_get_tag_type(acl_entry_t entry_d, acl_tag_t *tag_type_p); | |
187 | extern int acl_set_qualifier(acl_entry_t entry_d, const void *tag_qualifier_p); | |
188 | extern int acl_set_tag_type(acl_entry_t entry_d, acl_tag_t tag_type); | |
189 | ||
190 | /* 23.1.6.3 ACL manipulation on an Object */ | |
191 | extern int acl_delete_def_file(const char *path_p); /* not supported */ | |
192 | extern acl_t acl_get_fd(int fd); | |
193 | extern acl_t acl_get_fd_np(int fd, acl_type_t type); | |
194 | extern acl_t acl_get_file(const char *path_p, acl_type_t type); | |
195 | extern acl_t acl_get_link_np(const char *path_p, acl_type_t type); | |
196 | extern int acl_set_fd(int fd, acl_t acl); | |
197 | extern int acl_set_fd_np(int fd, acl_t acl, acl_type_t acl_type); | |
198 | extern int acl_set_file(const char *path_p, acl_type_t type, acl_t acl); | |
224c7076 | 199 | extern int acl_set_link_np(const char *path_p, acl_type_t type, acl_t acl); |
3d9156a7 A |
200 | |
201 | /* 23.1.6.4 ACL Format translation */ | |
202 | extern ssize_t acl_copy_ext(void *buf_p, acl_t acl, ssize_t size); | |
eb1cde05 | 203 | extern ssize_t acl_copy_ext_native(void *buf_p, acl_t acl, ssize_t size); |
3d9156a7 | 204 | extern acl_t acl_copy_int(const void *buf_p); |
eb1cde05 | 205 | extern acl_t acl_copy_int_native(const void *buf_p); |
3d9156a7 A |
206 | extern acl_t acl_from_text(const char *buf_p); |
207 | extern ssize_t acl_size(acl_t acl); | |
208 | extern char *acl_to_text(acl_t acl, ssize_t *len_p); | |
209 | __END_DECLS | |
210 | ||
eb1cde05 | 211 | #endif /* _SYS_ACL_H */ |