| 1 | /** @file
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| 2 | * IPRT - Extensible Archiver (XAR) format.
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| 3 | */
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| 4 |
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| 5 | /*
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| 6 | * Copyright (C) 2013-2017 Oracle Corporation
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| 7 | *
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| 8 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 9 | * available from http://www.virtualbox.org. This file is free software;
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| 10 | * you can redistribute it and/or modify it under the terms of the GNU
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| 11 | * General Public License (GPL) as published by the Free Software
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| 12 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 13 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 14 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 15 | *
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| 16 | * The contents of this file may alternatively be used under the terms
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| 17 | * of the Common Development and Distribution License Version 1.0
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| 18 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 19 | * VirtualBox OSE distribution, in which case the provisions of the
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| 20 | * CDDL are applicable instead of those of the GPL.
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| 21 | *
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| 22 | * You may elect to license modified versions of this file under the
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| 23 | * terms and conditions of either the GPL or the CDDL or both.
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| 24 | */
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| 25 |
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| 26 |
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| 27 | #ifndef ___iprt_formats_xar_h
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| 28 | #define ___iprt_formats_xar_h
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| 29 |
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| 30 | #include <iprt/types.h>
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| 31 | #include <iprt/assertcompile.h>
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| 32 |
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| 33 |
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| 34 | /** @defgroup grp_rt_formats_xar Extensible Archive (XAR) format
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| 35 | * @ingroup grp_rt_formats
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| 36 | *
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| 37 | * @{ */
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| 38 |
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| 39 | #pragma pack(4) /* Misdesigned header, not 8-byte aligned size. */
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| 40 | typedef struct XARHEADER
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| 41 | {
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| 42 | /** The magic number 'xar!' (XAR_HEADER_MAGIC). */
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| 43 | uint32_t u32Magic;
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| 44 | /** The size of this header structure. */
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| 45 | uint16_t cbHeader;
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| 46 | /** The header version structure. */
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| 47 | uint16_t uVersion;
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| 48 | /** The size of the compressed table of content (TOC). */
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| 49 | uint64_t cbTocCompressed;
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| 50 | /** The size of the table of context (TOC) when not compressed. */
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| 51 | uint64_t cbTocUncompressed;
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| 52 | /** Which cryptographic hash function is used (XAR_HASH_XXX). */
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| 53 | uint32_t uHashFunction;
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| 54 | } XARHEADER;
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| 55 | #pragma pack()
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| 56 | AssertCompileSize(XARHEADER, 28);
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| 57 | /** Pointer to a XAR header. */
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| 58 | typedef XARHEADER *PXARHEADER;
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| 59 | /** Pointer to a const XAR header. */
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| 60 | typedef XARHEADER const *PCXARHEADER;
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| 61 |
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| 62 | /** XAR magic value (on disk endian). */
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| 63 | #define XAR_HEADER_MAGIC RT_H2LE_U32(RT_MAKE_U32_FROM_U8('x', 'a', 'r', '!'))
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| 64 | /** The current header version value (host endian). */
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| 65 | #define XAR_HEADER_VERSION 1
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| 66 |
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| 67 | /** @name XAR hashing functions.
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| 68 | * @{ */
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| 69 | #define XAR_HASH_NONE 0
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| 70 | #define XAR_HASH_SHA1 1
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| 71 | #define XAR_HASH_MD5 2
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| 72 | #define XAR_HASH_MAX 2
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| 73 | /** @} */
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| 74 |
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| 75 | /** @} */
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| 76 |
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| 77 | #endif
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| 78 |
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