xref: /xnu-8020.121.3/bsd/sys/imageboot.h (revision fdd8201d7b966f0c3ea610489d29bd841d358941)
1*fdd8201dSApple OSS Distributions /*
2*fdd8201dSApple OSS Distributions  * Copyright (c) 2006-2020 Apple Inc. All rights reserved.
3*fdd8201dSApple OSS Distributions  *
4*fdd8201dSApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*fdd8201dSApple OSS Distributions  *
6*fdd8201dSApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*fdd8201dSApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*fdd8201dSApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*fdd8201dSApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*fdd8201dSApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*fdd8201dSApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*fdd8201dSApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*fdd8201dSApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*fdd8201dSApple OSS Distributions  *
15*fdd8201dSApple OSS Distributions  * Please obtain a copy of the License at
16*fdd8201dSApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*fdd8201dSApple OSS Distributions  *
18*fdd8201dSApple OSS Distributions  * The Original Code and all software distributed under the License are
19*fdd8201dSApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*fdd8201dSApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*fdd8201dSApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*fdd8201dSApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*fdd8201dSApple OSS Distributions  * Please see the License for the specific language governing rights and
24*fdd8201dSApple OSS Distributions  * limitations under the License.
25*fdd8201dSApple OSS Distributions  *
26*fdd8201dSApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*fdd8201dSApple OSS Distributions  */
28*fdd8201dSApple OSS Distributions #ifndef _IMAGEBOOT_H_
29*fdd8201dSApple OSS Distributions #define _IMAGEBOOT_H_
30*fdd8201dSApple OSS Distributions 
31*fdd8201dSApple OSS Distributions struct vnode;
32*fdd8201dSApple OSS Distributions 
33*fdd8201dSApple OSS Distributions typedef enum imageboot_type {
34*fdd8201dSApple OSS Distributions 	IMAGEBOOT_NONE,
35*fdd8201dSApple OSS Distributions 	IMAGEBOOT_DMG,
36*fdd8201dSApple OSS Distributions 	IMAGEBOOT_LOCKER,
37*fdd8201dSApple OSS Distributions } imageboot_type_t;
38*fdd8201dSApple OSS Distributions 
39*fdd8201dSApple OSS Distributions imageboot_type_t        imageboot_needed(void);
40*fdd8201dSApple OSS Distributions bool    imageboot_desired(void);
41*fdd8201dSApple OSS Distributions void    imageboot_setup(imageboot_type_t type);
42*fdd8201dSApple OSS Distributions int     imageboot_format_is_valid(const char *root_path);
43*fdd8201dSApple OSS Distributions int     imageboot_mount_image(const char *root_path, int height, imageboot_type_t type);
44*fdd8201dSApple OSS Distributions int     imageboot_pivot_image(const char *image_path, imageboot_type_t type, const char *mount_path,
45*fdd8201dSApple OSS Distributions     const char *outgoing_root_path, const bool rooted_dmg, const bool skip_signature_check);
46*fdd8201dSApple OSS Distributions int     imageboot_read_file_pageable(const char *path, void **bufp, size_t *bufszp); /* use kmem_free(kernel_map, ...) */
47*fdd8201dSApple OSS Distributions int     imageboot_read_file(const char *path, void **bufp, size_t *bufszp, off_t *fsizep);
48*fdd8201dSApple OSS Distributions int     imageboot_read_file_from_offset(const char *path, off_t offset, void **bufp, size_t *bufszp);
49*fdd8201dSApple OSS Distributions 
50*fdd8201dSApple OSS Distributions struct vnode *
51*fdd8201dSApple OSS Distributions imgboot_get_image_file(const char *path, off_t *fsize, int *errp);
52*fdd8201dSApple OSS Distributions 
53*fdd8201dSApple OSS Distributions #define IMAGEBOOT_CONTAINER_ARG         "container-dmg"
54*fdd8201dSApple OSS Distributions #define IMAGEBOOT_ROOT_ARG              "root-dmg"
55*fdd8201dSApple OSS Distributions #define IMAGEBOOT_AUTHROOT_ARG          "auth-root-dmg"
56*fdd8201dSApple OSS Distributions 
57*fdd8201dSApple OSS Distributions #endif
58