62 lines
2.7 KiB
C
62 lines
2.7 KiB
C
/*
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* Copyright (c) 2006-2021 Apple Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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#ifndef _IMAGEBOOT_H_
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#define _IMAGEBOOT_H_
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struct vnode;
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typedef enum imageboot_type {
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IMAGEBOOT_NONE,
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IMAGEBOOT_DMG,
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IMAGEBOOT_LOCKER,
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} imageboot_type_t;
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imageboot_type_t imageboot_needed(void);
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bool imageboot_desired(void);
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void imageboot_setup(imageboot_type_t type);
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int imageboot_format_is_valid(const char *root_path);
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int imageboot_mount_image(const char *root_path, int height, imageboot_type_t type);
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int imageboot_pivot_image(const char *image_path, imageboot_type_t type, const char *mount_path,
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const char *outgoing_root_path, const bool rooted_dmg, const bool skip_signature_check);
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int imageboot_read_file_pageable(const char *path, void **bufp, size_t *bufszp); /* use kmem_free(kernel_map, ...) */
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int imageboot_read_file(const char *path, void **bufp, size_t *bufszp, off_t *fsizep);
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int imageboot_read_file_from_offset(const char *path, off_t offset, void **bufp, size_t *bufszp);
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struct vnode *
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imgboot_get_image_file(const char *path, off_t *fsize, int *errp);
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#define IMAGEBOOT_CONTAINER_ARG "container-dmg"
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#define IMAGEBOOT_ROOT_ARG "root-dmg"
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#define IMAGEBOOT_AUTHROOT_ARG "auth-root-dmg"
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//IMAGEBOOT images are capped at 2.5GB
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#define IMAGEBOOT_MAX_FILESIZE (2684354560ULL)
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//limit certain kalloc calls to 2GB
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#define IMAGEBOOT_MAX_KALLOCSIZE (2147483648ULL)
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#endif
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