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a889d1fb76
Introduce ACL man pages en masse for library calls, and general introduction. Also, fix acl_valid.c non-portable calls to include _np in their names, making them standard-happy as well as consistent with acl.h
98 lines
2.6 KiB
C
98 lines
2.6 KiB
C
/*-
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* Copyright (c) 1999 Robert N. M. Watson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* acl_valid -- POSIX.1e ACL check routine
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*/
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#include <sys/types.h>
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#include <sys/acl.h>
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#include <sys/errno.h>
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#include "acl_support.h"
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/*
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* acl_valid: accepts an ACL, returns 0 on valid ACL, -1 for invalid,
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* and errno set to EINVAL.
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*
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* Implemented by calling the acl_check routine in acl_support, which
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* requires ordering. We call acl_support's acl_sort to make this
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* true. POSIX.1e allows acl_valid() to reorder the ACL as it sees fit.
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*
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* This call is deprecated, as it doesn't ask whether the ACL is valid
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* for a particular target. However, this call is standardized, unlike
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* the other two forms.
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*/
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int
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acl_valid(acl_t acl)
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{
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int error;
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acl_sort(acl);
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error = acl_check(acl);
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if (error) {
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errno = error;
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return (-1);
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} else {
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return (0);
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}
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}
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int
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acl_valid_file_np(const char *pathp, acl_type_t type, acl_t acl)
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{
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int error;
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if (acl_posix1e(acl, type)) {
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error = acl_sort(acl);
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if (error) {
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errno = error;
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return (-1);
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}
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}
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return (__acl_aclcheck_file(pathp, type, acl));
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}
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int
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acl_valid_fd_np(int fd, acl_type_t type, acl_t acl)
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{
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int error;
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if (acl_posix1e(acl, type)) {
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error = acl_sort(acl);
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if (error) {
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errno = error;
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return (-1);
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}
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}
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return (__acl_aclcheck_fd(fd, type, acl));
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}
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