xref: /illumos-gate/usr/src/uts/common/syscall/chmod.c (revision 8b80e8cb6855118d46f605e91b5ed4ce83417395)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 1989 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
28 /*	  All Rights Reserved  	*/
29 
30 /*
31  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
32  * Use is subject to license terms.
33  */
34 
35 #ident	"%Z%%M%	%I%	%E% SMI"
36 
37 #include <sys/param.h>
38 #include <sys/isa_defs.h>
39 #include <sys/types.h>
40 #include <sys/sysmacros.h>
41 #include <sys/dirent.h>
42 #include <sys/systm.h>
43 #include <sys/errno.h>
44 #include <sys/fcntl.h>
45 #include <sys/pathname.h>
46 #include <sys/vfs.h>
47 #include <sys/vnode.h>
48 #include <sys/file.h>
49 #include <sys/mode.h>
50 #include <sys/uio.h>
51 #include <sys/filio.h>
52 #include <sys/debug.h>
53 
54 extern int	namesetattr(char *, enum symfollow, vattr_t *, int);
55 extern int	fdsetattr(int, vattr_t *);
56 
57 /*
58  * Change mode of file given path name.
59  */
60 int
61 chmod(char *fname, int fmode)
62 {
63 	struct vattr vattr;
64 
65 	vattr.va_mode = fmode & MODEMASK;
66 	vattr.va_mask = AT_MODE;
67 	return (namesetattr(fname, FOLLOW, &vattr, 0));
68 }
69 
70 /*
71  * Change mode of file given file descriptor.
72  */
73 int
74 fchmod(int fd, int fmode)
75 {
76 	struct vattr vattr;
77 
78 	vattr.va_mode = fmode & MODEMASK;
79 	vattr.va_mask = AT_MODE;
80 	return (fdsetattr(fd, &vattr));
81 }
82