0f6263079e
required by POSIX.1e. This maintains the current 'struct acl' in the kernel while providing the generic external acl_t interface required to complete the ACL editing library. o Add the acl_get_entry() function. o Convert the existing ACL utilities, getfacl and setfacl, to fully make use of the ACL editing library. Obtained from: TrustedBSD Project
98 lines
2.4 KiB
C
98 lines
2.4 KiB
C
/*
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* Copyright (c) 2001 Chris D. Faulhaber
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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 THE VOICES IN HIS HEAD BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/types.h>
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#include "namespace.h"
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#include <sys/acl.h>
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#include "un-namespace.h"
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#include <errno.h>
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#include <string.h>
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/*
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* acl_add_perm() (23.4.1): add the permission contained in perm to the
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* permission set permset_d
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*/
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int
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acl_add_perm(acl_permset_t permset_d, acl_perm_t perm)
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{
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if (permset_d) {
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switch(perm) {
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case ACL_READ:
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case ACL_WRITE:
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case ACL_EXECUTE:
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*permset_d |= perm;
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return 0;
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}
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}
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errno = EINVAL;
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return -1;
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}
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/*
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* acl_clear_perms() (23.4.3): clear all permisions from the permission
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* set permset_d
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*/
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int
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acl_clear_perms(acl_permset_t permset_d)
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{
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if (!permset_d) {
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errno = EINVAL;
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return -1;
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}
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*permset_d = ACL_PERM_NONE;
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return 0;
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}
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/*
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* acl_delete_perm() (23.4.10): remove the permission in perm from the
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* permission set permset_d
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*/
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int
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acl_delete_perm(acl_permset_t permset_d, acl_perm_t perm)
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{
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if (permset_d) {
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switch(perm) {
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case ACL_READ:
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case ACL_WRITE:
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case ACL_EXECUTE:
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*permset_d &= ~(perm & ACL_PERM_BITS);
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return 0;
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}
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}
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errno = EINVAL;
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return -1;
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}
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