1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2001-2002 Chris D. Faulhaber 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 #if 0 31 __FBSDID("$FreeBSD: head/lib/libc/posix1e/acl_copy.c 326193 2017-11-25 17:12:48Z pfg $"); 32 #else 33 __RCSID("$NetBSD: acl_copy.c,v 1.2 2024/01/20 14:52:48 christos Exp $"); 34 #endif 35 36 #include "namespace.h" 37 #include <sys/types.h> 38 #include <sys/acl.h> 39 40 #include <errno.h> 41 #include <string.h> 42 43 #include "acl_support.h" 44 45 /* 46 * acl_copy_entry() (23.4.4): copy the contents of ACL entry src_d to 47 * ACL entry dest_d 48 */ 49 int 50 acl_copy_entry(acl_entry_t dest_d, acl_entry_t src_d) 51 { 52 53 if (src_d == NULL || dest_d == NULL || src_d == dest_d) { 54 errno = EINVAL; 55 return (-1); 56 } 57 58 /* 59 * Can we brand the new entry the same as the source entry? 60 */ 61 if (!_entry_brand_may_be(dest_d, _entry_brand(src_d))) { 62 errno = EINVAL; 63 return (-1); 64 } 65 66 _entry_brand_as(dest_d, _entry_brand(src_d)); 67 68 dest_d->ae_tag = src_d->ae_tag; 69 dest_d->ae_id = src_d->ae_id; 70 dest_d->ae_perm = src_d->ae_perm; 71 dest_d->ae_entry_type = src_d->ae_entry_type; 72 dest_d->ae_flags = src_d->ae_flags; 73 74 return (0); 75 } 76 77 ssize_t 78 /*ARGSUSED*/ 79 acl_copy_ext(void *buf_p, acl_t acl, ssize_t size) 80 { 81 82 errno = ENOSYS; 83 return (-1); 84 } 85 86 acl_t 87 /*ARGSUSED*/ 88 acl_copy_int(const void *buf_p) 89 { 90 91 errno = ENOSYS; 92 return (NULL); 93 } 94