1*043036a2SApple OSS Distributions /* 2*043036a2SApple OSS Distributions * Copyright (c) 2006-2021 Apple Inc. All rights reserved. 3*043036a2SApple OSS Distributions * 4*043036a2SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*043036a2SApple OSS Distributions * 6*043036a2SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*043036a2SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*043036a2SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*043036a2SApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*043036a2SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*043036a2SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*043036a2SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*043036a2SApple OSS Distributions * terms of an Apple operating system software license agreement. 14*043036a2SApple OSS Distributions * 15*043036a2SApple OSS Distributions * Please obtain a copy of the License at 16*043036a2SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*043036a2SApple OSS Distributions * 18*043036a2SApple OSS Distributions * The Original Code and all software distributed under the License are 19*043036a2SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*043036a2SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*043036a2SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*043036a2SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*043036a2SApple OSS Distributions * Please see the License for the specific language governing rights and 24*043036a2SApple OSS Distributions * limitations under the License. 25*043036a2SApple OSS Distributions * 26*043036a2SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*043036a2SApple OSS Distributions */ 28*043036a2SApple OSS Distributions #ifndef _IMAGEBOOT_H_ 29*043036a2SApple OSS Distributions #define _IMAGEBOOT_H_ 30*043036a2SApple OSS Distributions 31*043036a2SApple OSS Distributions struct vnode; 32*043036a2SApple OSS Distributions 33*043036a2SApple OSS Distributions typedef enum imageboot_type { 34*043036a2SApple OSS Distributions IMAGEBOOT_NONE, 35*043036a2SApple OSS Distributions IMAGEBOOT_DMG, 36*043036a2SApple OSS Distributions IMAGEBOOT_LOCKER, 37*043036a2SApple OSS Distributions } imageboot_type_t; 38*043036a2SApple OSS Distributions 39*043036a2SApple OSS Distributions imageboot_type_t imageboot_needed(void); 40*043036a2SApple OSS Distributions bool imageboot_desired(void); 41*043036a2SApple OSS Distributions void imageboot_setup(imageboot_type_t type); 42*043036a2SApple OSS Distributions int imageboot_format_is_valid(const char *root_path); 43*043036a2SApple OSS Distributions int imageboot_mount_image(const char *root_path, int height, imageboot_type_t type); 44*043036a2SApple OSS Distributions int imageboot_pivot_image(const char *image_path, imageboot_type_t type, const char *mount_path, 45*043036a2SApple OSS Distributions const char *outgoing_root_path, const bool rooted_dmg, const bool skip_signature_check); 46*043036a2SApple OSS Distributions int imageboot_read_file_pageable(const char *path, void **bufp, size_t *bufszp, bool no_softlimit); /* use kmem_free(kernel_map, ...) */ 47*043036a2SApple OSS Distributions int imageboot_read_file(const char *path, void **bufp, size_t *bufszp, off_t *fsizep); 48*043036a2SApple OSS Distributions int imageboot_read_file_from_offset(const char *path, off_t offset, void **bufp, size_t *bufszp); 49*043036a2SApple OSS Distributions 50*043036a2SApple OSS Distributions struct vnode * 51*043036a2SApple OSS Distributions imgboot_get_image_file(const char *path, off_t *fsize, int *errp); 52*043036a2SApple OSS Distributions 53*043036a2SApple OSS Distributions #define IMAGEBOOT_CONTAINER_ARG "container-dmg" 54*043036a2SApple OSS Distributions #define IMAGEBOOT_ROOT_ARG "root-dmg" 55*043036a2SApple OSS Distributions #define IMAGEBOOT_AUTHROOT_ARG "auth-root-dmg" 56*043036a2SApple OSS Distributions 57*043036a2SApple OSS Distributions //IMAGEBOOT images are capped at 2.5GB 58*043036a2SApple OSS Distributions #define IMAGEBOOT_MAX_FILESIZE (2684354560ULL) 59*043036a2SApple OSS Distributions //limit certain kalloc calls to 2GB 60*043036a2SApple OSS Distributions #define IMAGEBOOT_MAX_KALLOCSIZE (2147483648ULL) 61*043036a2SApple OSS Distributions 62*043036a2SApple OSS Distributions #endif 63