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 *$DragonFly: src/lib/libposix1e/acl_valid.c,v 1.3 2005/08/04 17:27:09 drhodus Exp $ 28 */ 29 /* 30 * acl_valid -- POSIX.1e ACL check routine 31 */ 32 33 #include <sys/types.h> 34 #include <sys/acl.h> 35 #include <sys/errno.h> 36 37 #include "acl_support.h" 38 39 /* 40 * acl_valid: accepts an ACL, returns 0 on valid ACL, -1 for invalid, 41 * and errno set to EINVAL. 42 * 43 * Implemented by calling the acl_check routine in acl_support, which 44 * requires ordering. We call acl_support's acl_sort to make this 45 * true. POSIX.1e allows acl_valid() to reorder the ACL as it sees fit. 46 * 47 * This call is deprecated, as it doesn't ask whether the ACL is valid 48 * for a particular target. However, this call is standardized, unlike 49 * the other two forms. 50 */ 51 int 52 acl_valid(acl_t acl) 53 { 54 int error; 55 56 acl_sort(acl); 57 error = acl_check(acl); 58 if (error) { 59 errno = error; 60 return (-1); 61 } else { 62 return (0); 63 } 64 } 65 66 67 int 68 acl_valid_file_np(const char *pathp, acl_type_t type, acl_t acl) 69 { 70 int error; 71 72 if (acl_posix1e(acl, type)) { 73 error = acl_sort(acl); 74 if (error) { 75 errno = error; 76 return (-1); 77 } 78 } 79 80 return (__acl_aclcheck_file(pathp, type, acl)); 81 } 82 83 84 int 85 acl_valid_fd_np(int fd, acl_type_t type, acl_t acl) 86 { 87 int error; 88 89 if (acl_posix1e(acl, type)) { 90 error = acl_sort(acl); 91 if (error) { 92 errno = error; 93 return (-1); 94 } 95 } 96 97 return (__acl_aclcheck_fd(fd, type, acl)); 98 } 99