1 /*- 2 * Copyright (c) 1999 Robert N. M. Watson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: src/lib/libposix1e/acl_valid.c,v 1.4 2000/01/28 20:07:00 rwatson Exp $ 27 */ 28 /* 29 * acl_valid -- POSIX.1e ACL check routine 30 */ 31 32 #include <sys/types.h> 33 #include <sys/acl.h> 34 #include <sys/errno.h> 35 36 #include "acl_support.h" 37 38 /* 39 * acl_valid: accepts an ACL, returns 0 on valid ACL, -1 for invalid, 40 * and errno set to EINVAL. 41 * 42 * Implemented by calling the acl_check routine in acl_support, which 43 * requires ordering. We call acl_support's acl_sort to make this 44 * true. POSIX.1e allows acl_valid() to reorder the ACL as it sees fit. 45 * 46 * This call is deprecated, as it doesn't ask whether the ACL is valid 47 * for a particular target. However, this call is standardized, unlike 48 * the other two forms. 49 */ 50 int 51 acl_valid(acl_t acl) 52 { 53 int error; 54 55 acl_sort(acl); 56 error = acl_check(acl); 57 if (error) { 58 errno = error; 59 return (-1); 60 } else { 61 return (0); 62 } 63 } 64 65 66 int 67 acl_valid_file_np(const char *pathp, acl_type_t type, acl_t acl) 68 { 69 int error; 70 71 if (acl_posix1e(acl, type)) { 72 error = acl_sort(acl); 73 if (error) { 74 errno = error; 75 return (-1); 76 } 77 } 78 79 return (__acl_aclcheck_file(pathp, type, acl)); 80 } 81 82 83 int 84 acl_valid_fd_np(int fd, acl_type_t type, acl_t acl) 85 { 86 int error; 87 88 if (acl_posix1e(acl, type)) { 89 error = acl_sort(acl); 90 if (error) { 91 errno = error; 92 return (-1); 93 } 94 } 95 96 return (__acl_aclcheck_fd(fd, type, acl)); 97 } 98