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 * Copyright (c) 2005 SPARTA, Inc.
30 * All rights reserved.
31 *
32 * Redistribution and use in source and binary forms, with or without
33 * modification, are permitted provided that the following conditions
34 * are met:
35 * 1. Redistributions of source code must retain the above copyright
36 *    notice, this list of conditions and the following disclaimer.
37 * 2. Redistributions in binary form must reproduce the above copyright
38 *    notice, this list of conditions and the following disclaimer in the
39 *    documentation and/or other materials provided with the distribution.
40 *
41 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 */
53
54#ifndef _SECURITY_MAC_MACH_INTERNAL_H_
55#define _SECURITY_MAC_MACH_INTERNAL_H_
56
57#ifndef PRIVATE
58#warning "MAC policy is not KPI, see Technical Q&A QA1574, this header will be removed in next version"
59#endif
60
61int mac_task_check_service(task_t self, task_t obj, const char *perm);
62void mac_task_label_update_internal(struct label *pl, struct task *t);
63int mac_port_label_compute(struct label *subj, struct label *obj,
64    const char *serv, struct label *out);
65int mac_port_check_method(task_t task, struct label *sub, struct label *obj, int msgid);
66
67/* mac_do_machexc() flags */
68#define	MAC_DOEXCF_TRACED	0x01	/* Only do mach exeception if
69					   being ptrace()'ed */
70struct uthread;
71int	mac_do_machexc(int64_t code, int64_t subcode, uint32_t flags __unused);
72int	mac_schedule_userret(void);
73struct label *mac_thread_get_threadlabel(struct thread *thread);
74struct label *mac_thread_get_uthreadlabel(struct uthread *uthread);
75
76#if CONFIG_MACF
77void mac_policy_init(void);
78void mac_policy_initmach(void);
79
80/* tasks */
81void mac_task_label_init(struct label *);
82void mac_task_label_copy(struct label *src, struct label *dest);
83void mac_task_label_destroy(struct label *);
84void mac_task_label_associate(struct task *, struct task *, struct label *,
85    struct label *, struct label *);
86void mac_task_label_associate_kernel(struct task *, struct label *, struct label *);
87void mac_task_label_modify( struct task *pt, void *arg,
88    void (*f)(struct label *l, void *arg));
89struct label *mac_task_get_label(struct task *task);
90
91/* ports */
92void mac_port_label_init(struct label *l);
93void mac_port_label_destroy(struct label *l);
94void mac_port_label_associate(struct label *it, struct label *st, struct label *plabel);
95void mac_port_label_associate_kernel(struct label *plabel, int isreply);
96void mac_port_label_update_kobject(struct label *plabel, int kotype);
97void mac_port_label_copy(struct label *src, struct label *dest);
98void mac_port_label_update_cred(struct label *src, struct label *dest);
99int mac_port_check_label_update(struct label *task, struct label *oldl, struct label *newl);
100
101int mac_port_check_send(struct label *task, struct label *port);
102int mac_port_check_receive(struct label *task, struct label *sender);
103int mac_port_check_make_send(struct label *task, struct label *port);
104int mac_port_check_make_send_once(struct label *task, struct label *port);
105int mac_port_check_move_receive(struct label *task, struct label *port);
106int mac_port_check_copy_send(struct label *task, struct label *port);
107int mac_port_check_move_send(struct label *task, struct label *port);
108int mac_port_check_move_send_once(struct label *task, struct label *port);
109
110int mac_port_check_hold_send(struct label *task, struct label *port);
111int mac_port_check_hold_send_once(struct label *task, struct label *port);
112int mac_port_check_hold_receive(struct label *task, struct label *port);
113
114int mac_task_label_externalize(struct label *, char *e, char *out, size_t olen, int flags);
115int mac_task_label_internalize(struct label *label, char *string);
116int mac_port_label_externalize(struct label *, char *e, char *out, size_t olen, int flags);
117int mac_port_label_internalize(struct label *label, char *string);
118
119void	mac_task_label_update(struct label *cred, struct label *task);
120int	mac_port_check_service(struct label *subj, struct label *obj,
121	    const char *serv, const char *perm);
122
123/* threads */
124void	act_set_astmacf(struct thread *);
125void	mac_thread_userret(struct thread *);
126#endif /* MAC */
127
128#endif	/* !_SECURITY_MAC_MACH_INTERNAL_H_ */
129