1 | /* |
2 | * Copyright (c) 2004-2012 Apple Inc. All rights reserved. |
3 | * |
4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
5 | * |
6 | * This file contains Original Code and/or Modifications of Original Code |
7 | * as defined in and that are subject to the Apple Public Source License |
8 | * Version 2.0 (the 'License'). You may not use this file except in |
9 | * compliance with the License. The rights granted to you under the License |
10 | * may not be used to create, or enable the creation or redistribution of, |
11 | * unlawful or unlicensed copies of an Apple operating system, or to |
12 | * circumvent, violate, or enable the circumvention or violation of, any |
13 | * terms of an Apple operating system software license agreement. |
14 | * |
15 | * Please obtain a copy of the License at |
16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
17 | * |
18 | * The Original Code and all software distributed under the License are |
19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
23 | * Please see the License for the specific language governing rights and |
24 | * limitations under the License. |
25 | * |
26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
27 | */ |
28 | |
29 | #ifndef _SYS_XATTR_H_ |
30 | #define _SYS_XATTR_H_ |
31 | |
32 | #include <sys/types.h> |
33 | |
34 | /* Options for pathname based xattr calls */ |
35 | #define XATTR_NOFOLLOW 0x0001 /* Don't follow symbolic links */ |
36 | |
37 | /* Options for setxattr calls */ |
38 | #define XATTR_CREATE 0x0002 /* set the value, fail if attr already exists */ |
39 | #define XATTR_REPLACE 0x0004 /* set the value, fail if attr does not exist */ |
40 | |
41 | /* Set this to bypass authorization checking (eg. if doing auth-related work) */ |
42 | #define XATTR_NOSECURITY 0x0008 |
43 | |
44 | /* Set this to bypass the default extended attribute file (dot-underscore file) */ |
45 | #define XATTR_NODEFAULT 0x0010 |
46 | |
47 | /* option for f/getxattr() and f/listxattr() to expose the HFS Compression extended attributes */ |
48 | #define XATTR_SHOWCOMPRESSION 0x0020 |
49 | |
50 | #define XATTR_MAXNAMELEN 127 |
51 | |
52 | /* See the ATTR_CMN_FNDRINFO section of getattrlist(2) for details on FinderInfo */ |
53 | #define XATTR_FINDERINFO_NAME "com.apple.FinderInfo" |
54 | |
55 | #define XATTR_RESOURCEFORK_NAME "com.apple.ResourceFork" |
56 | |
57 | |
58 | #ifdef KERNEL |
59 | |
60 | #ifdef KERNEL_PRIVATE |
61 | #define XATTR_VNODE_SUPPORTED(vp) \ |
62 | ((vp)->v_type == VREG || (vp)->v_type == VDIR || (vp)->v_type == VLNK || (vp)->v_type == VSOCK || (vp)->v_type == VFIFO) |
63 | #endif |
64 | |
65 | __BEGIN_DECLS |
66 | int xattr_protected(const char *); |
67 | int xattr_validatename(const char *); |
68 | |
69 | /* Maximum extended attribute size supported by VFS */ |
70 | #define XATTR_MAXSIZE INT32_MAX |
71 | |
72 | #ifdef PRIVATE |
73 | /* Maximum extended attribute size in an Apple Double file */ |
74 | #define AD_XATTR_MAXSIZE XATTR_MAXSIZE |
75 | |
76 | /* Number of bits used to represent the maximum size of |
77 | * extended attribute stored in an Apple Double file. |
78 | */ |
79 | #define AD_XATTR_SIZE_BITS 31 |
80 | #endif /* PRIVATE */ |
81 | |
82 | __END_DECLS |
83 | #endif /* KERNEL */ |
84 | |
85 | #ifndef KERNEL |
86 | __BEGIN_DECLS |
87 | |
88 | ssize_t getxattr(const char *path, const char *name, void *value, size_t size, u_int32_t position, int options); |
89 | |
90 | ssize_t fgetxattr(int fd, const char *name, void *value, size_t size, u_int32_t position, int options); |
91 | |
92 | int setxattr(const char *path, const char *name, const void *value, size_t size, u_int32_t position, int options); |
93 | |
94 | int fsetxattr(int fd, const char *name, const void *value, size_t size, u_int32_t position, int options); |
95 | |
96 | int removexattr(const char *path, const char *name, int options); |
97 | |
98 | int fremovexattr(int fd, const char *name, int options); |
99 | |
100 | ssize_t listxattr(const char *path, char *namebuff, size_t size, int options); |
101 | |
102 | ssize_t flistxattr(int fd, char *namebuff, size_t size, int options); |
103 | |
104 | __END_DECLS |
105 | #endif /* KERNEL */ |
106 | |
107 | #endif /* _SYS_XATTR_H_ */ |
108 | |