xref: /illumos-gate/usr/src/uts/common/syscall/chmod.c (revision 6a634c9d)
17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate  * CDDL HEADER START
37c478bd9Sstevel@tonic-gate  *
47c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*794f0adbSRoger A. Faulkner  * Common Development and Distribution License (the "License").
6*794f0adbSRoger A. Faulkner  * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate  *
87c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate  * and limitations under the License.
127c478bd9Sstevel@tonic-gate  *
137c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate  *
197c478bd9Sstevel@tonic-gate  * CDDL HEADER END
207c478bd9Sstevel@tonic-gate  */
21*794f0adbSRoger A. Faulkner 
227c478bd9Sstevel@tonic-gate /*
23*794f0adbSRoger A. Faulkner  * Copyright (c) 1994, 2010, Oracle and/or its affiliates. All rights reserved.
247c478bd9Sstevel@tonic-gate  */
267c478bd9Sstevel@tonic-gate /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
277c478bd9Sstevel@tonic-gate /*	  All Rights Reserved  	*/
297c478bd9Sstevel@tonic-gate #include <sys/param.h>
307c478bd9Sstevel@tonic-gate #include <sys/isa_defs.h>
317c478bd9Sstevel@tonic-gate #include <sys/types.h>
327c478bd9Sstevel@tonic-gate #include <sys/sysmacros.h>
337c478bd9Sstevel@tonic-gate #include <sys/dirent.h>
347c478bd9Sstevel@tonic-gate #include <sys/systm.h>
357c478bd9Sstevel@tonic-gate #include <sys/errno.h>
367c478bd9Sstevel@tonic-gate #include <sys/fcntl.h>
377c478bd9Sstevel@tonic-gate #include <sys/pathname.h>
387c478bd9Sstevel@tonic-gate #include <sys/vfs.h>
397c478bd9Sstevel@tonic-gate #include <sys/vnode.h>
407c478bd9Sstevel@tonic-gate #include <sys/file.h>
417c478bd9Sstevel@tonic-gate #include <sys/mode.h>
427c478bd9Sstevel@tonic-gate #include <sys/uio.h>
437c478bd9Sstevel@tonic-gate #include <sys/filio.h>
447c478bd9Sstevel@tonic-gate #include <sys/debug.h>
467c478bd9Sstevel@tonic-gate /*
47*794f0adbSRoger A. Faulkner  * Change mode of file.
487c478bd9Sstevel@tonic-gate  */
497c478bd9Sstevel@tonic-gate int
fchmodat(int fd,char * path,int mode,int flag)50*794f0adbSRoger A. Faulkner fchmodat(int fd, char *path, int mode, int flag)
517c478bd9Sstevel@tonic-gate {
527c478bd9Sstevel@tonic-gate 	struct vattr vattr;
53*794f0adbSRoger A. Faulkner 	int error;
54*794f0adbSRoger A. Faulkner 
55*794f0adbSRoger A. Faulkner 	if (flag & ~AT_SYMLINK_NOFOLLOW)
56*794f0adbSRoger A. Faulkner 		return (set_errno(EINVAL));
58*794f0adbSRoger A. Faulkner 	if (flag & AT_SYMLINK_NOFOLLOW)
59*794f0adbSRoger A. Faulkner 		return (set_errno(EOPNOTSUPP));
60*794f0adbSRoger A. Faulkner 
61*794f0adbSRoger A. Faulkner 	vattr.va_mode = mode & MODEMASK;
627c478bd9Sstevel@tonic-gate 	vattr.va_mask = AT_MODE;
63*794f0adbSRoger A. Faulkner 	error = fsetattrat(fd, path, flag, &vattr);
64*794f0adbSRoger A. Faulkner 	if (error)
65*794f0adbSRoger A. Faulkner 		return (set_errno(error));
66*794f0adbSRoger A. Faulkner 	return (0);
677c478bd9Sstevel@tonic-gate }
697c478bd9Sstevel@tonic-gate /*
70*794f0adbSRoger A. Faulkner  * Change mode of file given path name.
717c478bd9Sstevel@tonic-gate  */
727c478bd9Sstevel@tonic-gate int
chmod(char * path,int mode)73*794f0adbSRoger A. Faulkner chmod(char *path, int mode)
747c478bd9Sstevel@tonic-gate {
75*794f0adbSRoger A. Faulkner 	return (fchmodat(AT_FDCWD, path, mode, 0));
76*794f0adbSRoger A. Faulkner }
78*794f0adbSRoger A. Faulkner /*
79*794f0adbSRoger A. Faulkner  * Change mode of file given file descriptor.
80*794f0adbSRoger A. Faulkner  */
81*794f0adbSRoger A. Faulkner int
fchmod(int fd,int mode)82*794f0adbSRoger A. Faulkner fchmod(int fd, int mode)
83*794f0adbSRoger A. Faulkner {
84*794f0adbSRoger A. Faulkner 	return (fchmodat(fd, NULL, mode, 0));
857c478bd9Sstevel@tonic-gate }