acl_valid.c revision 56055
156055Srwatson/*- 256055Srwatson * Copyright (c) 1999 Robert N. M. Watson 356055Srwatson * All rights reserved. 456055Srwatson * 556055Srwatson * Redistribution and use in source and binary forms, with or without 656055Srwatson * modification, are permitted provided that the following conditions 756055Srwatson * are met: 856055Srwatson * 1. Redistributions of source code must retain the above copyright 956055Srwatson * notice, this list of conditions and the following disclaimer. 1056055Srwatson * 2. Redistributions in binary form must reproduce the above copyright 1156055Srwatson * notice, this list of conditions and the following disclaimer in the 1256055Srwatson * documentation and/or other materials provided with the distribution. 1356055Srwatson * 1456055Srwatson * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1556055Srwatson * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1656055Srwatson * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1756055Srwatson * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1856055Srwatson * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1956055Srwatson * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2056055Srwatson * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2156055Srwatson * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2256055Srwatson * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2356055Srwatson * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2456055Srwatson * SUCH DAMAGE. 2556055Srwatson * 2656055Srwatson * $FreeBSD: head/lib/libc/posix1e/acl_valid.c 56055 2000-01-15 19:44:27Z rwatson $ 2756055Srwatson */ 2856055Srwatson/* 2956055Srwatson * acl_valid -- POSIX.1e ACL check routine 3056055Srwatson */ 3156055Srwatson 3256055Srwatson#include <sys/types.h> 3356055Srwatson#include <sys/acl.h> 3456055Srwatson#include <sys/errno.h> 3556055Srwatson 3656055Srwatson#include "acl_support.h" 3756055Srwatson 3856055Srwatson/* 3956055Srwatson * acl_valid: accepts an ACL, returns 0 on valid ACL, -1 for invalid, 4056055Srwatson * and errno set to EINVAL. 4156055Srwatson * 4256055Srwatson * Implemented by calling the acl_check routine in acl_support, which 4356055Srwatson * requires ordering. We call acl_support's acl_sort to make this 4456055Srwatson * true. 4556055Srwatson * 4656055Srwatson * POSIX.1e allows acl_valid() to reorder the ACL as it sees fit. 4756055Srwatson * 4856055Srwatson * This call is deprecated, as it doesn't ask whether the ACL is valid 4956055Srwatson * for a particular target. 5056055Srwatson */ 5156055Srwatsonint 5256055Srwatsonacl_valid(acl_t acl) 5356055Srwatson{ 5456055Srwatson int error; 5556055Srwatson 5656055Srwatson acl_sort(acl); 5756055Srwatson error = acl_check(acl); 5856055Srwatson if (error) { 5956055Srwatson errno = error; 6056055Srwatson return (-1); 6156055Srwatson } else { 6256055Srwatson return (0); 6356055Srwatson } 6456055Srwatson} 6556055Srwatson 6656055Srwatson 6756055Srwatsonint 6856055Srwatsonacl_valid_file(const char *pathp, acl_type_t type, acl_t acl) 6956055Srwatson{ 7056055Srwatson int error; 7156055Srwatson 7256055Srwatson if (acl_posix1e(acl)) { 7356055Srwatson error = acl_sort(acl); 7456055Srwatson if (error) { 7556055Srwatson errno = error; 7656055Srwatson return (-1); 7756055Srwatson } 7856055Srwatson } 7956055Srwatson 8056055Srwatson return (acl_syscall_aclcheck_file(pathp, type, acl)); 8156055Srwatson} 8256055Srwatson 8356055Srwatson 8456055Srwatsonint 8556055Srwatsonacl_valid_fd(int fd, acl_type_t type, acl_t acl) 8656055Srwatson{ 8756055Srwatson int error; 8856055Srwatson 8956055Srwatson if (acl_posix1e(acl)) { 9056055Srwatson error = acl_sort(acl); 9156055Srwatson if (error) { 9256055Srwatson errno = error; 9356055Srwatson return (-1); 9456055Srwatson } 9556055Srwatson } 9656055Srwatson 9756055Srwatson return (acl_syscall_aclcheck_fd(fd, type, acl)); 9856055Srwatson} 99