edf4da8597
Instead of doing an no-op (|= 0), actually clear the flags in acl_clear_flags_np. Reported by: Pascal Drecker <pascal freebsd drecker com>
156 lines
3.1 KiB
C
156 lines
3.1 KiB
C
/*-
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* Copyright (c) 2008, 2009 Edward Tomasz Napierała <trasz@FreeBSD.org>
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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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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <stdio.h>
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#include <errno.h>
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#include <sys/acl.h>
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#include "acl_support.h"
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static int
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_flag_is_invalid(acl_flag_t flag)
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{
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if ((flag & ACL_FLAGS_BITS) == flag)
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return (0);
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errno = EINVAL;
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return (1);
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}
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int
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acl_add_flag_np(acl_flagset_t flagset_d, acl_flag_t flag)
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{
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if (flagset_d == NULL) {
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errno = EINVAL;
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return (-1);
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}
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if (_flag_is_invalid(flag))
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return (-1);
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*flagset_d |= flag;
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return (0);
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}
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int
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acl_clear_flags_np(acl_flagset_t flagset_d)
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{
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if (flagset_d == NULL) {
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errno = EINVAL;
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return (-1);
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}
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*flagset_d = 0;
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return (0);
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}
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int
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acl_delete_flag_np(acl_flagset_t flagset_d, acl_flag_t flag)
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{
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if (flagset_d == NULL) {
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errno = EINVAL;
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return (-1);
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}
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if (_flag_is_invalid(flag))
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return (-1);
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*flagset_d &= ~flag;
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return (0);
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}
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int
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acl_get_flag_np(acl_flagset_t flagset_d, acl_flag_t flag)
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{
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if (flagset_d == NULL) {
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errno = EINVAL;
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return (-1);
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}
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if (_flag_is_invalid(flag))
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return (-1);
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if (*flagset_d & flag)
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return (1);
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return (0);
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}
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int
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acl_get_flagset_np(acl_entry_t entry_d, acl_flagset_t *flagset_p)
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{
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if (entry_d == NULL || flagset_p == NULL) {
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errno = EINVAL;
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return (-1);
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}
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if (!_entry_brand_may_be(entry_d, ACL_BRAND_NFS4)) {
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errno = EINVAL;
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return (-1);
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}
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*flagset_p = &entry_d->ae_flags;
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return (0);
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}
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int
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acl_set_flagset_np(acl_entry_t entry_d, acl_flagset_t flagset_d)
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{
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if (entry_d == NULL) {
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errno = EINVAL;
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return (-1);
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}
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if (!_entry_brand_may_be(entry_d, ACL_BRAND_NFS4)) {
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errno = EINVAL;
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return (-1);
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}
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_entry_brand_as(entry_d, ACL_BRAND_NFS4);
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if (_flag_is_invalid(*flagset_d))
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return (-1);
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entry_d->ae_flags = *flagset_d;
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return (0);
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}
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