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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 CONTRIBUTORS 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 <stdlib.h>
/*
* acl_create_entry() (23.4.7): create a new ACL entry in the ACL pointed
* to by acl_p.
*/
int
acl_create_entry(acl_t *acl_p, acl_entry_t *entry_p)
{
struct acl *acl_int;
if (acl_p == NULL) {
errno = EINVAL;
return (-1);
}
acl_int = &(*acl_p)->ats_acl;
/*
* +1, because we are checking if there is space left for one more
* entry.
*/
if ((acl_int->acl_cnt + 1 >= ACL_MAX_ENTRIES) ||
(acl_int->acl_cnt < 0)) {
errno = EINVAL;
return (-1);
}
*entry_p = &acl_int->acl_entry[acl_int->acl_cnt++];
(**entry_p).ae_tag = ACL_UNDEFINED_TAG;
(**entry_p).ae_id = ACL_UNDEFINED_ID;
(**entry_p).ae_perm = ACL_PERM_NONE;
(**entry_p).ae_entry_type = 0;
(**entry_p).ae_flags = 0;
(*acl_p)->ats_cur_entry = 0;
return (0);
}
/*
* acl_get_entry() (23.4.14): returns an ACL entry from an ACL
* indicated by entry_id.
*/
int
acl_get_entry(acl_t acl, int entry_id, acl_entry_t *entry_p)
{
struct acl *acl_int;
if (acl == NULL) {
errno = EINVAL;
return (-1);
}
acl_int = &acl->ats_acl;
switch(entry_id) {
case ACL_FIRST_ENTRY:
acl->ats_cur_entry = 0;
/* PASSTHROUGH */
case ACL_NEXT_ENTRY:
if (acl->ats_cur_entry >= acl->ats_acl.acl_cnt)
return 0;
*entry_p = &acl_int->acl_entry[acl->ats_cur_entry++];
return (1);
}
errno = EINVAL;
return (-1);
}
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