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
171 lines
3.8 KiB
C
171 lines
3.8 KiB
C
/*-
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* Copyright (c) 1999, 2000, 2001 Robert N. M. Watson
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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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* $FreeBSD$
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*/
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/*
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* acl_set_file -- set a file/directory ACL by name
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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 <stdlib.h>
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#include <string.h>
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#include "acl_support.h"
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/*
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* For POSIX.1e-semantic ACLs, do a presort so the kernel doesn't have to
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* (the POSIX.1e semantic code will reject unsorted ACL submission). If it's
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* not a semantic that the library knows about, just submit it flat and
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* assume the caller knows what they're up to.
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*/
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int
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acl_set_file(const char *path_p, acl_type_t type, acl_t acl)
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{
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int error;
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if (_posix1e_acl(acl, type)) {
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error = _posix1e_acl_sort(acl);
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if (error) {
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errno = error;
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return (-1);
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}
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}
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acl->ats_cur_entry = 0;
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return (__acl_set_file(path_p, type, &acl->ats_acl));
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}
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int
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acl_set_fd(int fd, acl_t acl)
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{
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int error;
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error = _posix1e_acl_sort(acl);
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if (error) {
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errno = error;
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return(-1);
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}
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acl->ats_cur_entry = 0;
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return (___acl_set_fd(fd, ACL_TYPE_ACCESS, &acl->ats_acl));
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}
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int
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acl_set_fd_np(int fd, acl_t acl, acl_type_t type)
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{
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int error;
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if (_posix1e_acl(acl, type)) {
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error = _posix1e_acl_sort(acl);
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if (error) {
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errno = error;
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return (-1);
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}
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}
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acl->ats_cur_entry = 0;
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return (___acl_set_fd(fd, type, &acl->ats_acl));
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}
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/*
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* acl_set_permset() (23.4.23): sets the permissions of ACL entry entry_d
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* with the permissions in permset_d
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*/
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int
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acl_set_permset(acl_entry_t entry_d, acl_permset_t permset_d)
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{
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if (!entry_d) {
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errno = EINVAL;
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return -1;
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}
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entry_d->ae_perm = *permset_d;
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return 0;
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}
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/*
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* acl_set_qualifier() sets the qualifier (ae_id) of the tag for
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* ACL entry entry_d to the value referred to by tag_qualifier_p
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*/
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int
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acl_set_qualifier(acl_entry_t entry_d, const void *tag_qualifier_p)
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{
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if (!entry_d || !tag_qualifier_p) {
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errno = EINVAL;
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return -1;
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}
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switch(entry_d->ae_tag) {
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case ACL_USER:
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case ACL_GROUP:
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entry_d->ae_id = *(uid_t *)tag_qualifier_p;
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break;
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default:
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errno = EINVAL;
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return -1;
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}
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return 0;
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}
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/*
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* acl_set_tag_type() sets the tag type for ACL entry entry_d to the
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* value of tag_type
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*/
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int
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acl_set_tag_type(acl_entry_t entry_d, acl_tag_t tag_type)
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{
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if (!entry_d) {
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errno = EINVAL;
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return -1;
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}
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switch(tag_type) {
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case ACL_USER_OBJ:
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case ACL_USER:
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case ACL_GROUP_OBJ:
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case ACL_GROUP:
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case ACL_MASK:
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case ACL_OTHER:
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entry_d->ae_tag = tag_type;
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return 0;
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}
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errno = EINVAL;
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return -1;
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}
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