c468923b22
Reviewed by: kib, debdrup, gbe Approved by: kib Differential Revision: https://reviews.freebsd.org/D28255
86 lines
2.5 KiB
C
86 lines
2.5 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
|
|
*
|
|
* Copyright (c) 2021 Gleb Popov
|
|
* 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.
|
|
*/
|
|
/*
|
|
* acl_extended_file_np: Check if the file has extended ACLs set.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/errno.h>
|
|
#include <sys/acl.h>
|
|
|
|
#include <unistd.h>
|
|
|
|
typedef acl_t (*acl_get_func)(const char *, acl_type_t);
|
|
typedef long (*pathconf_func)(const char *, int);
|
|
|
|
static int
|
|
_acl_extended_file(acl_get_func f, pathconf_func pathconf_f, const char* path_p);
|
|
|
|
int
|
|
acl_extended_file_np(const char *path_p)
|
|
{
|
|
return (_acl_extended_file(acl_get_file, pathconf, path_p));
|
|
}
|
|
|
|
int
|
|
acl_extended_file_nofollow_np(const char *path_p)
|
|
{
|
|
return (_acl_extended_file(acl_get_link_np, lpathconf, path_p));
|
|
}
|
|
|
|
int
|
|
acl_extended_link_np(const char *path_p)
|
|
{
|
|
return (_acl_extended_file(acl_get_link_np, lpathconf, path_p));
|
|
}
|
|
|
|
int
|
|
_acl_extended_file(acl_get_func acl_get, pathconf_func pathconf_f, const char* path_p)
|
|
{
|
|
acl_t acl;
|
|
int retval, istrivial, acltype = ACL_TYPE_ACCESS;
|
|
|
|
retval = pathconf_f(path_p, _PC_ACL_NFS4);
|
|
if (retval > 0)
|
|
acltype = ACL_TYPE_NFS4;
|
|
|
|
acl = acl_get(path_p, acltype);
|
|
if (acl == NULL)
|
|
return (-1);
|
|
|
|
retval = acl_is_trivial_np(acl, &istrivial);
|
|
acl_free(acl);
|
|
if (retval == -1)
|
|
return (-1);
|
|
|
|
return (!istrivial);
|
|
}
|