1*4d495c6eSApple OSS Distributions /* 2*4d495c6eSApple OSS Distributions * Copyright (c) 2006-2021 Apple Inc. All rights reserved. 3*4d495c6eSApple OSS Distributions * 4*4d495c6eSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*4d495c6eSApple OSS Distributions * 6*4d495c6eSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*4d495c6eSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*4d495c6eSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*4d495c6eSApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*4d495c6eSApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*4d495c6eSApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*4d495c6eSApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*4d495c6eSApple OSS Distributions * terms of an Apple operating system software license agreement. 14*4d495c6eSApple OSS Distributions * 15*4d495c6eSApple OSS Distributions * Please obtain a copy of the License at 16*4d495c6eSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*4d495c6eSApple OSS Distributions * 18*4d495c6eSApple OSS Distributions * The Original Code and all software distributed under the License are 19*4d495c6eSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*4d495c6eSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*4d495c6eSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*4d495c6eSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*4d495c6eSApple OSS Distributions * Please see the License for the specific language governing rights and 24*4d495c6eSApple OSS Distributions * limitations under the License. 25*4d495c6eSApple OSS Distributions * 26*4d495c6eSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*4d495c6eSApple OSS Distributions */ 28*4d495c6eSApple OSS Distributions #ifndef _IMAGEBOOT_H_ 29*4d495c6eSApple OSS Distributions #define _IMAGEBOOT_H_ 30*4d495c6eSApple OSS Distributions 31*4d495c6eSApple OSS Distributions struct vnode; 32*4d495c6eSApple OSS Distributions 33*4d495c6eSApple OSS Distributions typedef enum imageboot_type { 34*4d495c6eSApple OSS Distributions IMAGEBOOT_NONE, 35*4d495c6eSApple OSS Distributions IMAGEBOOT_DMG, 36*4d495c6eSApple OSS Distributions IMAGEBOOT_LOCKER, 37*4d495c6eSApple OSS Distributions } imageboot_type_t; 38*4d495c6eSApple OSS Distributions 39*4d495c6eSApple OSS Distributions imageboot_type_t imageboot_needed(void); 40*4d495c6eSApple OSS Distributions bool imageboot_desired(void); 41*4d495c6eSApple OSS Distributions void imageboot_setup(imageboot_type_t type); 42*4d495c6eSApple OSS Distributions int imageboot_format_is_valid(const char *root_path); 43*4d495c6eSApple OSS Distributions int imageboot_mount_image(const char *root_path, int height, imageboot_type_t type); 44*4d495c6eSApple OSS Distributions int imageboot_pivot_image(const char *image_path, imageboot_type_t type, const char *mount_path, 45*4d495c6eSApple OSS Distributions const char *outgoing_root_path, const bool rooted_dmg, const bool skip_signature_check); 46*4d495c6eSApple OSS Distributions int imageboot_read_file_pageable(const char *path, void **bufp, size_t *bufszp, bool no_softlimit); /* use kmem_free(kernel_map, ...) */ 47*4d495c6eSApple OSS Distributions int imageboot_read_file(const char *path, void **bufp, size_t *bufszp, off_t *fsizep); 48*4d495c6eSApple OSS Distributions int imageboot_read_file_from_offset(const char *path, off_t offset, void **bufp, size_t *bufszp); 49*4d495c6eSApple OSS Distributions 50*4d495c6eSApple OSS Distributions struct vnode * 51*4d495c6eSApple OSS Distributions imgboot_get_image_file(const char *path, off_t *fsize, int *errp); 52*4d495c6eSApple OSS Distributions 53*4d495c6eSApple OSS Distributions #define IMAGEBOOT_CONTAINER_ARG "container-dmg" 54*4d495c6eSApple OSS Distributions #define IMAGEBOOT_ROOT_ARG "root-dmg" 55*4d495c6eSApple OSS Distributions #define IMAGEBOOT_AUTHROOT_ARG "auth-root-dmg" 56*4d495c6eSApple OSS Distributions 57*4d495c6eSApple OSS Distributions //IMAGEBOOT images are capped at 2.5GB 58*4d495c6eSApple OSS Distributions #define IMAGEBOOT_MAX_FILESIZE (2684354560ULL) 59*4d495c6eSApple OSS Distributions //limit certain kalloc calls to 2GB 60*4d495c6eSApple OSS Distributions #define IMAGEBOOT_MAX_KALLOCSIZE (2147483648ULL) 61*4d495c6eSApple OSS Distributions 62*4d495c6eSApple OSS Distributions #endif 63