acl_valid.c revision 56760
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 56760 2000-01-28 20:07:00Z 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 4456760Srwatson * true. POSIX.1e allows acl_valid() to reorder the ACL as it sees fit. 4556055Srwatson * 4656055Srwatson * This call is deprecated, as it doesn't ask whether the ACL is valid 4756760Srwatson * for a particular target. However, this call is standardized, unlike 4856760Srwatson * the other two forms. 4956055Srwatson */ 5056055Srwatsonint 5156055Srwatsonacl_valid(acl_t acl) 5256055Srwatson{ 5356055Srwatson int error; 5456055Srwatson 5556055Srwatson acl_sort(acl); 5656055Srwatson error = acl_check(acl); 5756055Srwatson if (error) { 5856055Srwatson errno = error; 5956055Srwatson return (-1); 6056055Srwatson } else { 6156055Srwatson return (0); 6256055Srwatson } 6356055Srwatson} 6456055Srwatson 6556055Srwatson 6656055Srwatsonint 6756760Srwatsonacl_valid_file_np(const char *pathp, acl_type_t type, acl_t acl) 6856055Srwatson{ 6956055Srwatson int error; 7056055Srwatson 7156625Srwatson if (acl_posix1e(acl, type)) { 7256055Srwatson error = acl_sort(acl); 7356055Srwatson if (error) { 7456055Srwatson errno = error; 7556055Srwatson return (-1); 7656055Srwatson } 7756055Srwatson } 7856055Srwatson 7956274Srwatson return (__acl_aclcheck_file(pathp, type, acl)); 8056055Srwatson} 8156055Srwatson 8256055Srwatson 8356055Srwatsonint 8456760Srwatsonacl_valid_fd_np(int fd, acl_type_t type, acl_t acl) 8556055Srwatson{ 8656055Srwatson int error; 8756055Srwatson 8856625Srwatson if (acl_posix1e(acl, type)) { 8956055Srwatson error = acl_sort(acl); 9056055Srwatson if (error) { 9156055Srwatson errno = error; 9256055Srwatson return (-1); 9356055Srwatson } 9456055Srwatson } 9556055Srwatson 9656274Srwatson return (__acl_aclcheck_fd(fd, type, acl)); 9756055Srwatson} 98