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
61#include <mach/mach_types.h>
62#include <stdint.h>
63
64/* mac_do_machexc() flags */
65#define MAC_DOEXCF_TRACED 0x01 /* Only do mach exeception if
66 being ptrace()'ed */
67struct exception_action;
68struct proc;
69struct uthread;
70struct task;
71
72int mac_do_machexc(int64_t code, int64_t subcode, uint32_t flags __unused);
73int mac_schedule_userret(void);
74
75/* telemetry */
76int mac_schedule_telemetry(void);
77
78#if CONFIG_MACF
79void mac_policy_init(void);
80void mac_policy_initmach(void);
81
82/* tasks */
83int mac_task_check_expose_task(struct task *t, mach_task_flavor_t flavor);
84int mac_task_check_task_id_token_get_task(struct task *t, mach_task_flavor_t flavor);
85int mac_task_check_set_host_special_port(struct task *task,
86 int id, struct ipc_port *port);
87int mac_task_check_set_host_exception_port(struct task *task,
88 unsigned int exception);
89int mac_task_check_set_host_exception_ports(struct task *task,
90 unsigned int exception_mask);
91int mac_task_check_get_task_special_port(struct task *task,
92 struct task *target, int which);
93int mac_task_check_set_task_special_port(struct task *task,
94 struct task *target, int which, struct ipc_port *port);
95int mac_task_check_get_movable_control_port(void);
96int mac_task_check_dyld_process_info_notify_register(void);
97
98/* See rdar://problem/58989880 */
99#ifndef bitstr_test
100# define bitstr_test(name, bit) ((name)[((bit) >> 3)] & (1 << ((bit) & 0x7)))
101#endif /* ! bitstr_test */
102
103typedef int (*mac_task_mach_filter_cbfunc_t)(struct proc *bsdinfo, int num);
104typedef int (*mac_task_kobj_filter_cbfunc_t)(struct proc *bsdinfo, int msgid, int index);
105extern mac_task_mach_filter_cbfunc_t mac_task_mach_trap_evaluate;
106extern mac_task_kobj_filter_cbfunc_t mac_task_kobj_msg_evaluate;
107extern const int mach_trap_count;
108extern int mach_kobj_count;
109
110void mac_task_set_mach_filter_mask(struct task *task, uint8_t *maskptr);
111void mac_task_set_kobj_filter_mask(struct task *task, uint8_t *maskptr);
112int mac_task_register_filter_callbacks(
113 const mac_task_mach_filter_cbfunc_t mach_cbfunc,
114 const mac_task_kobj_filter_cbfunc_t kobj_cbfunc);
115
116/* threads */
117void act_set_astmacf(struct thread *);
118void mac_thread_userret(struct thread *);
119void mac_thread_telemetry(struct thread *, int, void *, size_t);
120
121/* exception actions */
122struct label *mac_exc_create_label(struct exception_action *action);
123struct label *mac_exc_label(struct exception_action *action);
124void mac_exc_set_label(struct exception_action *action, struct label *label);
125void mac_exc_free_label(struct label *label);
126
127void mac_exc_associate_action_label(struct exception_action *action, struct label *label);
128void mac_exc_free_action_label(struct exception_action *action);
129
130int mac_exc_update_action_label(struct exception_action *action, struct label *newlabel);
131int mac_exc_inherit_action_label(struct exception_action *parent, struct exception_action *child);
132int mac_exc_update_task_crash_label(struct task *task, struct label *newlabel);
133
134int mac_exc_action_check_exception_send(struct task *victim_task, struct exception_action *action);
135
136void mac_proc_notify_exec_complete(struct proc *proc);
137int mac_proc_check_remote_thread_create(struct task *task, int flavor, thread_state_t new_state, mach_msg_type_number_t new_state_count);
138void mac_proc_notify_service_port_derive(struct mach_service_port_info *sp_info);
139
140struct label *mac_exc_create_label_for_proc(struct proc *proc);
141struct label *mac_exc_create_label_for_current_proc(void);
142
143#endif /* MAC */
144
145#endif /* !_SECURITY_MAC_MACH_INTERNAL_H_ */
146