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/*
* Copyright (c) 2001-2002 Chris D. Faulhaber
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR THE VOICES IN HIS HEAD BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include "namespace.h"
#include <sys/acl.h>
#include "un-namespace.h"
#include <errno.h>
#include <string.h>
/*
* acl_add_perm() (23.4.1): add the permission contained in perm to the
* permission set permset_d
*/
int
acl_add_perm(acl_permset_t permset_d, acl_perm_t perm)
{
if (permset_d) {
switch(perm) {
case ACL_READ:
case ACL_WRITE:
case ACL_EXECUTE:
*permset_d |= perm;
return (0);
}
}
errno = EINVAL;
return (-1);
}
/*
* acl_clear_perms() (23.4.3): clear all permisions from the permission
* set permset_d
*/
int
acl_clear_perms(acl_permset_t permset_d)
{
if (permset_d == NULL) {
errno = EINVAL;
return (-1);
}
*permset_d = ACL_PERM_NONE;
return (0);
}
/*
* acl_delete_perm() (23.4.10): remove the permission in perm from the
* permission set permset_d
*/
int
acl_delete_perm(acl_permset_t permset_d, acl_perm_t perm)
{
if (permset_d) {
switch(perm) {
case ACL_READ:
case ACL_WRITE:
case ACL_EXECUTE:
*permset_d &= ~(perm & ACL_PERM_BITS);
return (0);
}
}
errno = EINVAL;
return (-1);
}
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