1 | /* |
2 | * Copyright (c) 2022 Apple Computer, Inc. All rights reserved. |
3 | * |
4 | * @APPLE_LICENSE_HEADER_START@ |
5 | * |
6 | * The contents of this file constitute Original Code as defined in and |
7 | * are subject to the Apple Public Source License Version 1.1 (the |
8 | * "License"). You may not use this file except in compliance with the |
9 | * License. Please obtain a copy of the License at |
10 | * http://www.apple.com/publicsource and read it before using this file. |
11 | * |
12 | * This Original Code and all software distributed under the License are |
13 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
16 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the |
17 | * License for the specific language governing rights and limitations |
18 | * under the License. |
19 | * |
20 | * @APPLE_LICENSE_HEADER_END@ |
21 | */ |
22 | |
23 | #ifndef _KERN_LOCKDOWN_MODE_H_ |
24 | #define _KERN_LOCKDOWN_MODE_H_ |
25 | |
26 | #include <sys/cdefs.h> |
27 | __BEGIN_DECLS |
28 | |
29 | #if KERNEL_PRIVATE |
30 | /* XNU and Kernel extensions */ |
31 | |
32 | #if XNU_KERNEL_PRIVATE |
33 | |
34 | // Whether Lockdown Mode is enabled via the "ldm" nvram variable |
35 | extern int lockdown_mode_state; |
36 | |
37 | /** |
38 | * Initalizes Lockdown Mode |
39 | */ |
40 | void lockdown_mode_init(void); |
41 | |
42 | #endif /* XNU_KERNEL_PRIVATE */ |
43 | |
44 | /** |
45 | * Returns the Lockdown Mode enablement state |
46 | */ |
47 | int get_lockdown_mode_state(void); |
48 | |
49 | /** |
50 | * Enable Lockdown Mode by setting the nvram variable |
51 | */ |
52 | void enable_lockdown_mode(void); |
53 | |
54 | /** |
55 | * Disable Lockdown Mode by setting the nvram variable |
56 | */ |
57 | void disable_lockdown_mode(void); |
58 | |
59 | #endif /* KERNEL_PRIVATE */ |
60 | __END_DECLS |
61 | |
62 | #endif /* _KERN_LOCKDOWN_MODE_H_ */ |
63 | |