acl_valid.c revision 56625
1214455Srpaulo/*- 2214455Srpaulo * Copyright (c) 1999 Robert N. M. Watson 3214455Srpaulo * All rights reserved. 4214455Srpaulo * 5214455Srpaulo * Redistribution and use in source and binary forms, with or without 6214455Srpaulo * modification, are permitted provided that the following conditions 7214455Srpaulo * are met: 8214455Srpaulo * 1. Redistributions of source code must retain the above copyright 9214455Srpaulo * notice, this list of conditions and the following disclaimer. 10214455Srpaulo * 2. Redistributions in binary form must reproduce the above copyright 11214455Srpaulo * notice, this list of conditions and the following disclaimer in the 12214455Srpaulo * documentation and/or other materials provided with the distribution. 13214455Srpaulo * 14214455Srpaulo * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15214455Srpaulo * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16214455Srpaulo * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17214455Srpaulo * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18214455Srpaulo * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19214455Srpaulo * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20214455Srpaulo * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21235426Sdelphij * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22214455Srpaulo * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23214455Srpaulo * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24214455Srpaulo * SUCH DAMAGE. 25214455Srpaulo * 26214455Srpaulo * $FreeBSD: head/lib/libc/posix1e/acl_valid.c 56625 2000-01-26 04:19:38Z rwatson $ 27214455Srpaulo */ 28214455Srpaulo/* 29214455Srpaulo * acl_valid -- POSIX.1e ACL check routine 30214455Srpaulo */ 31214455Srpaulo 32214455Srpaulo#include <sys/types.h> 33214455Srpaulo#include <sys/acl.h> 34214455Srpaulo#include <sys/errno.h> 35214455Srpaulo 36214455Srpaulo#include "acl_support.h" 37214455Srpaulo 38214455Srpaulo/* 39214455Srpaulo * acl_valid: accepts an ACL, returns 0 on valid ACL, -1 for invalid, 40214455Srpaulo * and errno set to EINVAL. 41214455Srpaulo * 42214455Srpaulo * Implemented by calling the acl_check routine in acl_support, which 43214455Srpaulo * requires ordering. We call acl_support's acl_sort to make this 44214455Srpaulo * true. 45214455Srpaulo * 46214455Srpaulo * POSIX.1e allows acl_valid() to reorder the ACL as it sees fit. 47214455Srpaulo * 48214455Srpaulo * This call is deprecated, as it doesn't ask whether the ACL is valid 49214455Srpaulo * for a particular target. 50214455Srpaulo */ 51214455Srpauloint 52214455Srpauloacl_valid(acl_t acl) 53214455Srpaulo{ 54214455Srpaulo int error; 55214455Srpaulo 56214455Srpaulo acl_sort(acl); 57214455Srpaulo error = acl_check(acl); 58214455Srpaulo if (error) { 59214455Srpaulo errno = error; 60214455Srpaulo return (-1); 61214455Srpaulo } else { 62214455Srpaulo return (0); 63214455Srpaulo } 64214455Srpaulo} 65214455Srpaulo 66214455Srpaulo 67214455Srpauloint 68214455Srpauloacl_valid_file(const char *pathp, acl_type_t type, acl_t acl) 69214455Srpaulo{ 70214455Srpaulo int error; 71214455Srpaulo 72214455Srpaulo if (acl_posix1e(acl, type)) { 73214455Srpaulo error = acl_sort(acl); 74214455Srpaulo if (error) { 75214455Srpaulo errno = error; 76214455Srpaulo return (-1); 77214455Srpaulo } 78214455Srpaulo } 79214455Srpaulo 80214455Srpaulo return (__acl_aclcheck_file(pathp, type, acl)); 81214455Srpaulo} 82214455Srpaulo 83214455Srpaulo 84214455Srpauloint 85214455Srpauloacl_valid_fd(int fd, acl_type_t type, acl_t acl) 86214455Srpaulo{ 87214455Srpaulo int error; 88214455Srpaulo 89214455Srpaulo if (acl_posix1e(acl, type)) { 90214455Srpaulo error = acl_sort(acl); 91214455Srpaulo if (error) { 92214455Srpaulo errno = error; 93214455Srpaulo return (-1); 94214455Srpaulo } 95214455Srpaulo } 96214455Srpaulo 97235426Sdelphij return (__acl_aclcheck_fd(fd, type, acl)); 98235426Sdelphij} 99235426Sdelphij