1/*
2 * Copyright (c) 2007 Apple Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29/*-
30 * Copyright (c) 2003, 2004 Networks Associates Technology, Inc.
31 * Copyright (c) 2005 SPARTA, Inc.
32 *
33 * This software was developed for the FreeBSD Project in part by Network
34 * Associates Laboratories, the Security Research Division of Network
35 * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"),
36 * as part of the DARPA CHATS research program.
37 *
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
40 * are met:
41 * 1. Redistributions of source code must retain the above copyright
42 *    notice, this list of conditions and the following disclaimer.
43 * 2. Redistributions in binary form must reproduce the above copyright
44 *    notice, this list of conditions and the following disclaimer in the
45 *    documentation and/or other materials provided with the distribution.
46 *
47 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
48 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
49 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
50 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
51 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
52 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
53 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
54 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
55 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
56 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
57 * SUCH DAMAGE.
58 *
59 */
60
61#include <security/mac_internal.h>
62#include <security/mac_mach_internal.h>
63
64void
65mac_task_label_init(struct label *label)
66{
67
68	mac_label_init(label);
69	if (mac_late == 0) {
70		mac_label_journal_add(label, MLJ_TYPE_TASK);
71		mac_label_journal(label, MLJ_TASK_OP_INIT);
72	}
73	MAC_PERFORM(task_label_init, label);
74}
75
76void
77mac_task_label_update(struct label *cred, struct label *task)
78{
79
80	MAC_PERFORM(task_label_update, cred, task);
81}
82
83void
84mac_task_label_copy(struct label *src, struct label *dest)
85{
86
87	MAC_PERFORM(task_label_copy, src, dest);
88}
89
90void
91mac_task_label_destroy(struct label *label)
92{
93
94	MAC_PERFORM(task_label_destroy, label);
95	if (mac_late == 0)
96		mac_label_journal_remove(label);
97	mac_label_destroy(label);
98}
99
100void
101mac_task_label_associate(struct task *parent, struct task *child, struct label *pl,
102    struct label *chl, struct label *chportl)
103{
104
105	MAC_PERFORM(task_label_associate, parent, child, pl, chl, chportl);
106}
107
108void
109mac_task_label_associate_kernel(struct task *t, struct label *tl, struct label *tportl)
110{
111
112	if (mac_late == 0)
113		mac_label_journal(tl, MLJ_TASK_OP_CREATE_K);
114	MAC_PERFORM(task_label_associate_kernel, t, tl, tportl);
115}
116
117int
118mac_task_label_externalize(struct label *label, char *elements,
119    char *outbuf, size_t outbuflen, int flags __unused)
120{
121	int error = 0;
122
123	error = MAC_EXTERNALIZE(task, label, elements, outbuf, outbuflen);
124
125	return (error);
126}
127
128int
129mac_task_label_internalize(struct label *label, char *string)
130{
131	int error;
132
133	error = MAC_INTERNALIZE(task, label, string);
134
135	return (error);
136}
137