acl_valid.c revision 75185
156055Srwatson/*- 274191Srwatson * Copyright (c) 1999, 2000, 20001 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 * 2674191Srwatson * $FreeBSD: head/lib/libc/posix1e/acl_valid.c 75185 2001-04-04 18:00:52Z tmm $ 2756055Srwatson */ 2856055Srwatson/* 2956055Srwatson * acl_valid -- POSIX.1e ACL check routine 3056055Srwatson */ 3156055Srwatson 3256055Srwatson#include <sys/types.h> 3375185Stmm#include "namespace.h" 3456055Srwatson#include <sys/acl.h> 3575185Stmm#include "un-namespace.h" 3656055Srwatson#include <sys/errno.h> 3756055Srwatson 3856055Srwatson#include "acl_support.h" 3956055Srwatson 4056055Srwatson/* 4156055Srwatson * acl_valid: accepts an ACL, returns 0 on valid ACL, -1 for invalid, 4256055Srwatson * and errno set to EINVAL. 4356055Srwatson * 4456055Srwatson * Implemented by calling the acl_check routine in acl_support, which 4574191Srwatson * requires ordering. We call acl_support's _posix1e_acl_sort to make this 4656760Srwatson * true. 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 4956760Srwatson * for a particular target. However, this call is standardized, unlike 5056760Srwatson * the other two forms. 5156055Srwatson */ 5256055Srwatsonint 5356055Srwatsonacl_valid(acl_t acl) 5456055Srwatson{ 5556055Srwatson int error; 5656055Srwatson 5774191Srwatson _posix1e_acl_sort(acl); 5874191Srwatson error = _posix1e_acl_check(acl); 5956055Srwatson if (error) { 6056055Srwatson errno = error; 6156055Srwatson return (-1); 6256055Srwatson } else { 6356055Srwatson return (0); 6456055Srwatson } 6556055Srwatson} 6656055Srwatson 6756055Srwatson 6856055Srwatsonint 6956760Srwatsonacl_valid_file_np(const char *pathp, acl_type_t type, acl_t acl) 7056055Srwatson{ 7156055Srwatson int error; 7256055Srwatson 7374191Srwatson if (_posix1e_acl(acl, type)) { 7474191Srwatson error = _posix1e_acl_sort(acl); 7556055Srwatson if (error) { 7656055Srwatson errno = error; 7756055Srwatson return (-1); 7856055Srwatson } 7956055Srwatson } 8056055Srwatson 8156274Srwatson return (__acl_aclcheck_file(pathp, type, acl)); 8256055Srwatson} 8356055Srwatson 8456055Srwatson 8556055Srwatsonint 8656760Srwatsonacl_valid_fd_np(int fd, acl_type_t type, acl_t acl) 8756055Srwatson{ 8856055Srwatson int error; 8956055Srwatson 9074191Srwatson if (_posix1e_acl(acl, type)) { 9174191Srwatson error = _posix1e_acl_sort(acl); 9256055Srwatson if (error) { 9356055Srwatson errno = error; 9456055Srwatson return (-1); 9556055Srwatson } 9656055Srwatson } 9756055Srwatson 9875185Stmm return (___acl_aclcheck_fd(fd, type, acl)); 9956055Srwatson} 100