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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 1994, 2010, Oracle and/or its affiliates. All rights reserved. 24 */ 25 26 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 27 /* All Rights Reserved */ 28 29 #include <sys/param.h> 30 #include <sys/isa_defs.h> 31 #include <sys/types.h> 32 #include <sys/sysmacros.h> 33 #include <sys/dirent.h> 34 #include <sys/systm.h> 35 #include <sys/errno.h> 36 #include <sys/fcntl.h> 37 #include <sys/pathname.h> 38 #include <sys/vfs.h> 39 #include <sys/vnode.h> 40 #include <sys/file.h> 41 #include <sys/mode.h> 42 #include <sys/uio.h> 43 #include <sys/filio.h> 44 #include <sys/debug.h> 45 46 /* 47 * Change mode of file. 48 */ 49 int 50 fchmodat(int fd, char *path, int mode, int flag) 51 { 52 struct vattr vattr; 53 int error; 54 55 if (flag & ~AT_SYMLINK_NOFOLLOW) 56 return (set_errno(EINVAL)); 57 58 if (flag & AT_SYMLINK_NOFOLLOW) 59 return (set_errno(EOPNOTSUPP)); 60 61 vattr.va_mode = mode & MODEMASK; 62 vattr.va_mask = AT_MODE; 63 error = fsetattrat(fd, path, flag, &vattr); 64 if (error) 65 return (set_errno(error)); 66 return (0); 67 } 68 69 /* 70 * Change mode of file given path name. 71 */ 72 int 73 chmod(char *path, int mode) 74 { 75 return (fchmodat(AT_FDCWD, path, mode, 0)); 76 } 77 78 /* 79 * Change mode of file given file descriptor. 80 */ 81 int 82 fchmod(int fd, int mode) 83 { 84 return (fchmodat(fd, NULL, mode, 0)); 85 } 86