summaryrefslogtreecommitdiffstats
path: root/include/iprt/formats/ntfs.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/iprt/formats/ntfs.h')
-rw-r--r--include/iprt/formats/ntfs.h782
1 files changed, 782 insertions, 0 deletions
diff --git a/include/iprt/formats/ntfs.h b/include/iprt/formats/ntfs.h
new file mode 100644
index 00000000..36c0b112
--- /dev/null
+++ b/include/iprt/formats/ntfs.h
@@ -0,0 +1,782 @@
+/* $Id: ntfs.h $ */
+/** @file
+ * IPRT, NT File System (NTFS).
+ */
+
+/*
+ * Copyright (C) 2017-2022 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+#ifndef IPRT_INCLUDED_formats_ntfs_h
+#define IPRT_INCLUDED_formats_ntfs_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include <iprt/formats/fat.h>
+
+
+/** @defgroup grp_rt_formats_ntfs NT File System (NTFS) structures and definitions
+ * @ingroup grp_rt_formats
+ * @{
+ */
+
+/** Value of the FATBOOTSECTOR::achOemName for an NTFS file system. */
+#define NTFS_OEM_ID_MAGIC "NTFS "
+
+
+/** @name NTFS_MFT_IDX_XXX - Predefined MFT indexes.
+ * @{ */
+#define NTFS_MFT_IDX_MFT 0 /**< The MFT itself. */
+#define NTFS_MFT_IDX_MFT_MIRROR 1 /**< Mirror MFT (partial?). */
+#define NTFS_MFT_IDX_LOG_FILE 2 /**< Journalling log. */
+#define NTFS_MFT_IDX_VOLUME 3 /**< Volume attributes. */
+#define NTFS_MFT_IDX_ATTRIB_DEF 4 /**< Attribute definitions. */
+#define NTFS_MFT_IDX_ROOT 5 /**< The root directory. */
+#define NTFS_MFT_IDX_BITMAP 6 /**< Allocation bitmap. */
+#define NTFS_MFT_IDX_BOOT 7 /**< The boot sector. */
+#define NTFS_MFT_IDX_BAD_CLUSTER 8 /**< Bad cluster table. */
+#define NTFS_MFT_IDX_SECURITY 9 /**< Shared security descriptors (w2k and later). */
+#define NTFS_MFT_IDX_UP_CASE 10 /**< Unicode upper case table. */
+#define NTFS_MFT_IDX_EXTEND 11 /**< Directory containing further system files. */
+#define NTFS_MFT_IDX_FIRST_USER 16 /**< The first user file. */
+/** @} */
+
+/**
+ * NTFS MFT record reference.
+ */
+typedef union NTFSMFTREF
+{
+ /** unsigned 64-bit view. */
+ uint64_t u64;
+ /** unsigned 32-bit view. */
+ uint32_t au32[2];
+ /** unsigned 16-bit view. */
+ uint16_t au16[4];
+
+ /** Structured view. */
+ struct
+ {
+ /** Index of the master file table record. */
+ RT_GCC_EXTENSION uint64_t idxMft : 48;
+ /** MFT record reuse sequence number (for catching dangling references). */
+ RT_GCC_EXTENSION uint64_t uRecReuseSeqNo : 16;
+ } s;
+} NTFSMFTREF;
+AssertCompileSize(NTFSMFTREF, 8);
+/** Pointer to a NTFS MFT record reference. */
+typedef NTFSMFTREF *PNTFSMFTREF;
+/** Pointer to a const NTFS MFT record reference. */
+typedef NTFSMFTREF const *PCNTFSMFTREF;
+
+/** @name NTFSMFTREF_GET_IDX
+ * Gets the MFT index number (host endian) from a MFT reference. */
+/** @name NTFSMFTREF_GET_SEQ
+ * Gets the MFT reuse sequence number (host endian) from a MFT reference. */
+/** @name NTFSMFTREF_SET_IDX
+ * Sets the MFT index number of a MFT reference. */
+/** @name NTFSMFTREF_SET_SEQ
+ * Sets the MFT reuse sequence number of a MFT reference. */
+/** @name NTFSMFTREF_SET
+ * Sets the values of a MFT reference. */
+#ifdef RT_LITTLE_ENDIAN
+# define NTFSMFTREF_GET_IDX(a_pMftRef) ((a_pMftRef)->s.idxMft)
+# define NTFSMFTREF_GET_SEQ(a_pMftRef) ((a_pMftRef)->s.uRecReuseSeqNo)
+# define NTFSMFTREF_SET_SEQ(a_pMftRef, a_uValue) do { (a_pMftRef)->s.uRecReuseSeqNo = (a_uValue); } while (0)
+# define NTFSMFTREF_SET_IDX(a_pMftRef, a_uValue) do { (a_pMftRef)->s.idxMft = (a_uValue); } while (0)
+# define NTFSMFTREF_SET(a_pMftRef, a_idx, a_uSeq) \
+ do { \
+ (a_pMftRef)->s.idxMft = (a_idx); \
+ (a_pMftRef)->s.uRecReuseSeqNo = (a_uSeq); \
+ } while (0)
+#else
+# define NTFSMFTREF_GET_IDX(a_pMftRef) (RT_LE2H_U64((a_pMftRef)->u64) & UINT64_C(0x0000ffffffffffff))
+# define NTFSMFTREF_GET_SEQ(a_pMftRef) RT_LE2H_U16((uint16_t)(a_pMftRef)->u64)
+# define NTFSMFTREF_SET_SEQ(a_pMftRef, a_uValue) do { (a_pMftRef)->au16[3] = RT_H2LE_U16(a_uValue); } while (0)
+# define NTFSMFTREF_SET_IDX(a_pMftRef, a_uValue) \
+ do { \
+ (a_pMftRef)->au32[0] = RT_H2LE_U32((uint32_t)(a_uValue)); \
+ (a_pMftRef)->au16[2] = RT_H2LE_U16((uint16_t)((a_uValue) >> 32)); \
+ } while (0)
+# define NTFSMFTREF_SET(a_pMftRef, a_idx, a_uSeq) \
+ do { \
+ (a_pMftRef)->au32[0] = RT_H2LE_U32((uint32_t)(a_idx)); \
+ (a_pMftRef)->au16[2] = RT_H2LE_U16((uint16_t)((a_idx) >> 32)); \
+ (a_pMftRef)->au16[3] = RT_H2LE_U16((uint16_t)(a_uSeq)); \
+ } while (0)
+#endif
+/** Check that the reference is zero. */
+#define NTFSMFTREF_IS_ZERO(a_pMftRef) ((a_pMftRef)->u64 == 0)
+
+
+/**
+ * NTFS record header.
+ */
+typedef struct NTFSRECHDR
+{
+ /** Magic number (usually ASCII). */
+ uint32_t uMagic;
+ /** Offset of the update sequence array from the start of the record. */
+ uint16_t offUpdateSeqArray;
+ /** Number of entries in the update sequence array. (uint16_t sized entries) */
+ uint16_t cUpdateSeqEntries;
+} NTFSRECHDR;
+AssertCompileSize(NTFSRECHDR, 8);
+/** Pointer to a NTFS record header. */
+typedef NTFSRECHDR *PNTFSRECHDR;
+/** Pointer to a const NTFS record header. */
+typedef NTFSRECHDR const *PCNTFSRECHDR;
+
+/** The multi-sector update sequence stride.
+ * @see https://msdn.microsoft.com/en-us/library/bb470212%28v=vs.85%29.aspx
+ * @see NTFSRECHDR::offUpdateSeqArray, NTFSRECHDR::cUpdateSeqEntries
+ */
+#define NTFS_MULTI_SECTOR_STRIDE 512
+
+
+/**
+ * NTFS file record (in the MFT).
+ */
+typedef struct NTFSRECFILE
+{
+ /** 0x00: Header with NTFSREC_MAGIC_FILE. */
+ NTFSRECHDR Hdr;
+ /** 0x08: Log file sequence number. */
+ uint64_t uLsn;
+ /** 0x10: MFT record reuse sequence number (for dangling MFT references). */
+ uint16_t uRecReuseSeqNo;
+ /** 0x12: Number of hard links. */
+ uint16_t cLinks;
+ /** 0x14: Offset of the first attribute (relative to start of record). */
+ uint16_t offFirstAttrib;
+ /** 0x16: Record flags (NTFSRECFILE_F_XXX). */
+ uint16_t fFlags;
+ /** 0x18: Number of byte in use in this MFT record. */
+ uint32_t cbRecUsed;
+ /** 0x1c: The MFT record size. */
+ uint32_t cbRecSize;
+ /** 0x20: Reference to the base MFT record. */
+ NTFSMFTREF BaseMftRec;
+ /** 0x28: Next attribute instance number. */
+ uint16_t idNextAttrib;
+ /** 0x2a: Padding if NTFS 3.1+, update sequence array if older. */
+ uint16_t uPaddingOrUsa;
+ /** 0x2c: MFT index of this record. */
+ uint32_t idxMftSelf;
+} NTFSRECFILE;
+AssertCompileSize(NTFSRECFILE, 0x30);
+/** Pointer to a NTFS file record. */
+typedef NTFSRECFILE *PNTFSRECFILE;
+/** Pointer to a const NTFS file record. */
+typedef NTFSRECFILE const *PCNTFSRECFILE;
+
+
+/** NTFS 'FILE' record magic value. */
+#define NTFSREC_MAGIC_FILE RT_H2LE_U32_C(UINT32_C(0x454c4946))
+
+/** @name NTFSRECFILE_F_XXX - NTFSRECFILE::fFlags.
+ * @{ */
+/** MFT record is in use. */
+#define NTFSRECFILE_F_IN_USE RT_H2LE_U16_C(UINT16_C(0x0001))
+/** Directory record. */
+#define NTFSRECFILE_F_DIRECTORY RT_H2LE_U16_C(UINT16_C(0x0002))
+/** @} */
+
+
+/** @name NTFS_AT_XXX - Attribute types
+ * @{ */
+#define NTFS_AT_UNUSED RT_H2LE_U32_C(UINT32_C(0x00000000))
+/** NTFSATSTDINFO */
+#define NTFS_AT_STANDARD_INFORMATION RT_H2LE_U32_C(UINT32_C(0x00000010))
+/** NTFSATLISTENTRY */
+#define NTFS_AT_ATTRIBUTE_LIST RT_H2LE_U32_C(UINT32_C(0x00000020))
+/** NTFSATFILENAME */
+#define NTFS_AT_FILENAME RT_H2LE_U32_C(UINT32_C(0x00000030))
+#define NTFS_AT_OBJECT_ID RT_H2LE_U32_C(UINT32_C(0x00000040))
+#define NTFS_AT_SECURITY_DESCRIPTOR RT_H2LE_U32_C(UINT32_C(0x00000050))
+#define NTFS_AT_VOLUME_NAME RT_H2LE_U32_C(UINT32_C(0x00000060))
+/** NTFSATVOLUMEINFO */
+#define NTFS_AT_VOLUME_INFORMATION RT_H2LE_U32_C(UINT32_C(0x00000070))
+#define NTFS_AT_DATA RT_H2LE_U32_C(UINT32_C(0x00000080))
+/** NTFSATINDEXROOT */
+#define NTFS_AT_INDEX_ROOT RT_H2LE_U32_C(UINT32_C(0x00000090))
+#define NTFS_AT_INDEX_ALLOCATION RT_H2LE_U32_C(UINT32_C(0x000000a0))
+#define NTFS_AT_BITMAP RT_H2LE_U32_C(UINT32_C(0x000000b0))
+#define NTFS_AT_REPARSE_POINT RT_H2LE_U32_C(UINT32_C(0x000000c0))
+#define NTFS_AT_EA_INFORMATION RT_H2LE_U32_C(UINT32_C(0x000000d0))
+#define NTFS_AT_EA RT_H2LE_U32_C(UINT32_C(0x000000e0))
+#define NTFS_AT_PROPERTY_SET RT_H2LE_U32_C(UINT32_C(0x000000f0))
+#define NTFS_AT_LOGGED_UTILITY_STREAM RT_H2LE_U32_C(UINT32_C(0x00000100))
+#define NTFS_AT_FIRST_USER_DEFINED RT_H2LE_U32_C(UINT32_C(0x00001000))
+#define NTFS_AT_END RT_H2LE_U32_C(UINT32_C(0xffffffff))
+/** @} */
+
+/** @name NTFS_AF_XXX - Attribute flags.
+ * @{ */
+#define NTFS_AF_COMPR_FMT_NONE RT_H2LE_U16_C(UINT16_C(0x0000))
+/** See RtlCompressBuffer / COMPRESSION_FORMAT_LZNT1. */
+#define NTFS_AF_COMPR_FMT_LZNT1 RT_H2LE_U16_C(UINT16_C(0x0001))
+/** See RtlCompressBuffer / COMPRESSION_FORMAT_XPRESS_HUFF. */
+#define NTFS_AF_COMPR_FMT_XPRESS RT_H2LE_U16_C(UINT16_C(0x0002))
+/** See RtlCompressBuffer / COMPRESSION_FORMAT_XPRESS_HUFF. */
+#define NTFS_AF_COMPR_FMT_XPRESS_HUFF RT_H2LE_U16_C(UINT16_C(0x0003))
+#define NTFS_AF_COMPR_FMT_MASK RT_H2LE_U16_C(UINT16_C(0x00ff))
+#define NTFS_AF_ENCRYPTED RT_H2LE_U16_C(UINT16_C(0x4000))
+#define NTFS_AF_SPARSE RT_H2LE_U16_C(UINT16_C(0x8000))
+/** @} */
+
+/**
+ * NTFS attribute header.
+ *
+ * This has three forms:
+ * - Resident
+ * - Non-resident, no compression
+ * - Non-resident, compressed.
+ *
+ * Each form translates to a different header size.
+ */
+typedef struct NTFSATTRIBHDR
+{
+ /** 0x00: Attribute type (NTFS_AT_XXX). */
+ uint32_t uAttrType;
+ /** 0x04: Length of this attribute (resident part). */
+ uint32_t cbAttrib;
+ /** 0x08: Set (1) if non-resident attribute, 0 if resident. */
+ uint8_t fNonResident;
+ /** 0x09: Attribute name length (can be zero). */
+ uint8_t cwcName;
+ /** 0x0a: Offset of the name string (relative to the start of this header). */
+ uint16_t offName;
+ /** 0x0c: NTFS_AF_XXX. */
+ uint16_t fFlags;
+ /** 0x0e: Attribute instance number. Unique within the MFT record. */
+ uint16_t idAttrib;
+ /** 0x10: Data depending on the fNonResident member value. */
+ union
+ {
+ /** Resident attributes. */
+ struct
+ {
+ /** 0x10: Attribute value length. */
+ uint32_t cbValue;
+ /** 0x14: Offset of the value (relative to the start of this header). */
+ uint16_t offValue;
+ /** 0x16: NTFS_RES_AF_XXX. */
+ uint8_t fFlags;
+ /** 0x17: Reserved. */
+ uint8_t bReserved;
+ } Res;
+
+ /** Non-resident attributes. */
+ struct
+ {
+ /** 0x10: The first virtual cluster containing data.
+ *
+ * This is mainly for internal checking when the run list doesn't fit in one
+ * MFT record. It can also be used to avoid recording a sparse run at the
+ * beginning of the data covered by this attribute record. */
+ int64_t iVcnFirst;
+ /** 0x18: The last virtual cluster containing data (inclusive). */
+ int64_t iVcnLast;
+ /** 0x20: Offset of the mapping pair program. This program gives us a mapping
+ * between VNC and LCN for the attribute value. */
+ uint16_t offMappingPairs;
+ /** 0x22: Power of two compression unit size in clusters (cbCluster << uCompessionUnit).
+ * Zero means uncompressed. */
+ uint8_t uCompressionUnit;
+ /** 0x23: Reserved */
+ uint8_t abReserved[5];
+ /** 0x28: Allocated size (rouneded to cluster).
+ * @note Only set in the first attribute record (iVcnFirst == 0). */
+ int64_t cbAllocated;
+ /** 0x30: The exact length of the data.
+ * @note Only set in the first attribute record (iVcnFirst == 0). */
+ int64_t cbData;
+ /** 0x38: The length of the initialized data. (Not necessarily
+ * rounded up to cluster size.)
+ * @note Only set in the first attribute record (iVcnFirst == 0). */
+ int64_t cbInitialized;
+ /** 0x40: Compressed size if compressed, otherwise absent. */
+ int64_t cbCompressed;
+ } NonRes;
+ } u;
+} NTFSATTRIBHDR;
+AssertCompileSize(NTFSATTRIBHDR, 0x48);
+AssertCompileMemberOffset(NTFSATTRIBHDR, u.Res, 0x10);
+AssertCompileMemberOffset(NTFSATTRIBHDR, u.Res.bReserved, 0x17);
+AssertCompileMemberOffset(NTFSATTRIBHDR, u.NonRes, 0x10);
+AssertCompileMemberOffset(NTFSATTRIBHDR, u.NonRes.cbCompressed, 0x40);
+/** Pointer to a NTFS attribute header. */
+typedef NTFSATTRIBHDR *PNTFSATTRIBHDR;
+/** Pointer to a const NTFS attribute header. */
+typedef NTFSATTRIBHDR const *PCNTFSATTRIBHDR;
+
+/** @name NTFSATTRIBHDR_SIZE_XXX - Attribute header sizes.
+ * @{ */
+/** Attribute header size for resident values. */
+#define NTFSATTRIBHDR_SIZE_RESIDENT (0x18)
+/** Attribute header size for uncompressed non-resident values. */
+#define NTFSATTRIBHDR_SIZE_NONRES_UNCOMPRESSED (0x40)
+/** Attribute header size for compressed non-resident values. */
+#define NTFSATTRIBHDR_SIZE_NONRES_COMPRESSED (0x48)
+/** @} */
+
+/** Get the pointer to the embedded name from an attribute.
+ * @note ASSUMES the caller check that there is a name. */
+#define NTFSATTRIBHDR_GET_NAME(a_pAttrHdr) ( (PRTUTF16)((uintptr_t)(a_pAttrHdr) + (a_pAttrHdr)->offName) )
+
+/** Get the pointer to resident value.
+ * @note ASSUMES the caller checks that it's resident and valid. */
+#define NTFSATTRIBHDR_GET_RES_VALUE_PTR(a_pAttrHdr) ( (uint8_t *)(a_pAttrHdr) + (a_pAttrHdr)->u.Res.offValue )
+
+
+/** @name NTFS_RES_AF_XXX
+ * @{ */
+/** Attribute is referenced in an index. */
+#define NTFS_RES_AF_INDEXED UINT8_C(0x01)
+/** @} */
+
+/**
+ * Attribute list entry (NTFS_AT_ATTRIBUTE_LIST).
+ *
+ * This is used to deal with a file having attributes in more than one MFT
+ * record. A prominent example is an fragment file (unnamed data attribute)
+ * which mapping pairs doesn't fit in a single MFT record.
+ *
+ * This attribute can be non-resident, however it's mapping pair program must
+ * fit in the base MFT record.
+ */
+typedef struct NTFSATLISTENTRY
+{
+ /** 0x00: Attribute type (NTFS_AT_XXX). */
+ uint32_t uAttrType;
+ /** 0x04: Length of this entry. */
+ uint16_t cbEntry;
+ /** 0x06: Attribute name length (zero if none). */
+ uint8_t cwcName;
+ /** 0x07: Name offset. */
+ uint8_t offName;
+ /** 0x08: The first VNC for this part of the attribute value. */
+ int64_t iVcnFirst;
+ /** 0x10: The MFT record holding the actual attribute. */
+ NTFSMFTREF InMftRec;
+ /** 0x18: Attribute instance number. Unique within the MFT record. */
+ uint16_t idAttrib;
+ /** 0x1a: Maybe where the attribute name starts. */
+ RT_FLEXIBLE_ARRAY_EXTENSION
+ RTUTF16 wszName[RT_FLEXIBLE_ARRAY];
+} NTFSATLISTENTRY;
+AssertCompileMemberOffset(NTFSATLISTENTRY, idAttrib, 0x18);
+/** Pointer to a NTFS attribute list entry. */
+typedef NTFSATLISTENTRY *PNTFSATLISTENTRY;
+/** Pointer to a const NTFS attribute list entry. */
+typedef NTFSATLISTENTRY const *PCNTFSATLISTENTRY;
+
+/** Unaligned minimum entry size (no name). */
+#define NTFSATLISTENTRY_SIZE_MINIMAL 0x1a
+
+
+
+/**
+ * NTFS standard file info attribute (NTFS_AT_STANDARD_INFORMATION).
+ */
+typedef struct NTFSATSTDINFO
+{
+ /** 0x00: Creation timestamp. */
+ int64_t iCreationTime;
+ /** 0x08: Last data modification timestamp. */
+ int64_t iLastDataModTime;
+ /** 0x10: Last MFT record modification timestamp. */
+ int64_t iLastMftModTime;
+ /** 0x18: Last access timestamp. */
+ int64_t iLastAccessTime;
+ /** 0x20: File attributes. */
+ uint32_t fFileAttribs;
+ /** 0x24: Maximum number of file versions allowed.
+ * @note NTFS 3.x, padding in 1.2 */
+ uint32_t cMaxFileVersions;
+ /** 0x28: Current file version number.
+ * @note NTFS 3.x, padding in 1.2 */
+ uint32_t uFileVersion;
+ /** 0x2c: Class ID (whatever that is).
+ * @note NTFS 3.x, padding in 1.2 */
+ uint32_t idClass;
+ /** 0x30: Owner ID.
+ * Translated via $Q index in NTFS_MFT_IDX_EXTENDED/$Quota.
+ * @note NTFS 3.x, not present in 1.2 */
+ uint32_t idOwner;
+ /** 0x34: Security ID. Translated via $SII index and $SDS data stream in
+ * NTFS_MFT_IDX_SECURITY.
+ * @note NTFS 3.x, not present in 1.2 */
+ uint32_t idSecurity;
+ /** 0x38: Total quota charged for this file.
+ * @note NTFS 3.x, not present in 1.2 */
+ uint64_t cbQuotaChared;
+ /** 0x40: Last update sequence number, index into $UsnJrnl.
+ * @note NTFS 3.x, not present in 1.2 */
+ uint64_t idxUpdateSequence;
+} NTFSATSTDINFO;
+AssertCompileSize(NTFSATSTDINFO, 0x48);
+/** Pointer to NTFS standard file info. */
+typedef NTFSATSTDINFO *PNTFSATSTDINFO;
+/** Pointer to const NTFS standard file info. */
+typedef NTFSATSTDINFO const *PCNTFSATSTDINFO;
+
+/** The size of NTFSATSTDINFO in NTFS v1.2 and earlier. */
+#define NTFSATSTDINFO_SIZE_NTFS_V12 (0x30)
+
+/** @name NTFS_FA_XXX - NTFS file attributes (host endian).
+ * @{ */
+#define NTFS_FA_READONLY UINT32_C(0x00000001)
+#define NTFS_FA_HIDDEN UINT32_C(0x00000002)
+#define NTFS_FA_SYSTEM UINT32_C(0x00000004)
+#define NTFS_FA_DIRECTORY UINT32_C(0x00000010)
+#define NTFS_FA_ARCHIVE UINT32_C(0x00000020)
+#define NTFS_FA_DEVICE UINT32_C(0x00000040)
+#define NTFS_FA_NORMAL UINT32_C(0x00000080)
+#define NTFS_FA_TEMPORARY UINT32_C(0x00000100)
+#define NTFS_FA_SPARSE_FILE UINT32_C(0x00000200)
+#define NTFS_FA_REPARSE_POINT UINT32_C(0x00000400)
+#define NTFS_FA_COMPRESSED UINT32_C(0x00000800)
+#define NTFS_FA_OFFLINE UINT32_C(0x00001000)
+#define NTFS_FA_NOT_CONTENT_INDEXED UINT32_C(0x00002000)
+#define NTFS_FA_ENCRYPTED UINT32_C(0x00004000)
+#define NTFS_FA_VALID_FLAGS UINT32_C(0x00007fb7)
+#define NTFS_FA_VALID_SET_FLAGS UINT32_C(0x000031a7)
+#define NTFS_FA_DUP_FILE_NAME_INDEX_PRESENT UINT32_C(0x10000000) /**< This means directory apparently. */
+#define NTFS_FA_DUP_VIEW_INDEX_PRESENT UINT32_C(0x20000000) /**< ?? */
+/** @} */
+
+
+
+/**
+ * NTFS filename attribute (NTFS_AT_FILENAME).
+ */
+typedef struct NTFSATFILENAME
+{
+ /** 0x00: The parent directory MFT record. */
+ NTFSMFTREF ParentDirMftRec;
+ /** 0x08: Creation timestamp. */
+ int64_t iCreationTime;
+ /** 0x10: Last data modification timestamp. */
+ int64_t iLastDataModTime;
+ /** 0x18: Last MFT record modification timestamp. */
+ int64_t iLastMftModTime;
+ /** 0x20: Last access timestamp. */
+ int64_t iLastAccessTime;
+ /** 0x28: Allocated disk space for the unnamed data attribute. */
+ int64_t cbAllocated;
+ /** 0x30: Actual size of unnamed data attribute. */
+ int64_t cbData;
+ /** 0x38: File attributes (NTFS_FA_XXX). */
+ uint32_t fFileAttribs;
+ union
+ {
+ /** 0x3c: Packed EA length. */
+ uint16_t cbPackedEas;
+ /** 0x3c: Reparse tag, if no EAs. */
+ uint32_t uReparseTag;
+ } u;
+ /** 0x40: Filename length in unicode chars. */
+ uint8_t cwcFilename;
+ /** 0x41: Filename type (NTFS_FILENAME_T_XXX). */
+ uint8_t fFilenameType;
+ /** 0x42: The filename. */
+ RT_FLEXIBLE_ARRAY_EXTENSION
+ RTUTF16 wszFilename[RT_FLEXIBLE_ARRAY];
+} NTFSATFILENAME;
+AssertCompileMemberOffset(NTFSATFILENAME, cbData, 0x30);
+AssertCompileMemberOffset(NTFSATFILENAME, u.cbPackedEas, 0x3c);
+AssertCompileMemberOffset(NTFSATFILENAME, u.uReparseTag, 0x3c);
+AssertCompileMemberOffset(NTFSATFILENAME, wszFilename, 0x42);
+/** Pointer to a NTFS filename attribute. */
+typedef NTFSATFILENAME *PNTFSATFILENAME;
+/** Pointer to a const NTFS filename attribute. */
+typedef NTFSATFILENAME const *PCNTFSATFILENAME;
+
+/** @name NTFS_FILENAME_T_XXX - filename types
+ * @{ */
+#define NTFS_FILENAME_T_POSIX 0
+#define NTFS_FILENAME_T_WINDOWS 1
+#define NTFS_FILENAME_T_DOS 2
+#define NTFS_FILENAME_T_WINDOWS_AND_DSO 3
+/** @} */
+
+
+/**
+ * NTFS volume information (NTFS_AT_VOLUME_INFORMATION).
+ *
+ * This is found in the special NTFS_MFT_IDX_VOLUME file.
+ */
+typedef struct NTFSATVOLUMEINFO
+{
+ /** 0x00: Reserved bytes. */
+ uint8_t abReserved[8];
+ /** 0x08: Major NTFS version number. */
+ uint8_t uMajorVersion;
+ /** 0x09: Minor NTFS version number. */
+ uint8_t uMinorVersion;
+ /** 0x0a: Volume flags (NTFS_VOLUME_F_XXX) */
+ uint16_t fFlags;
+} NTFSATVOLUMEINFO;
+AssertCompileSize(NTFSATVOLUMEINFO, 12);
+/** Pointer to NTFS volume information. */
+typedef NTFSATVOLUMEINFO *PNTFSATVOLUMEINFO;
+/** Pointer to const NTFS volume information. */
+typedef NTFSATVOLUMEINFO const *PCNTFSATVOLUMEINFO;
+
+/** @name NTFS_VOLUME_F_XXX
+ * @{ */
+#define NTFS_VOLUME_F_DIRTY RT_H2LE_U16_C(0x0001) /**< Volume is dirty. */
+#define NTFS_VOLUME_F_RESIZE_LOG_FILE RT_H2LE_U16_C(0x0002) /**< */
+#define NTFS_VOLUME_F_UPGRADE_ON_MOUNT RT_H2LE_U16_C(0x0004) /**< */
+#define NTFS_VOLUME_F_MOUNTED_ON_NT4 RT_H2LE_U16_C(0x0008) /**< */
+#define NTFS_VOLUME_F_DELETE_USN_UNDERWAY RT_H2LE_U16_C(0x0010) /**< */
+#define NTFS_VOLUME_F_REPAIR_OBJECT_ID RT_H2LE_U16_C(0x0020) /**< */
+#define NTFS_VOLUME_F_CHKDSK_UNDERWAY RT_H2LE_U16_C(0x4000) /**< */
+#define NTFS_VOLUME_F_MODIFIED_BY_CHKDSK RT_H2LE_U16_C(0x8000) /**< */
+
+#define NTFS_VOLUME_F_KNOWN_MASK RT_H2LE_U16_C(0xc03f)
+#define NTFS_VOLUME_F_MOUNT_READONLY_MASK RT_H2LE_U16_C(0xc027)
+/** @} */
+
+
+/** The attribute name used by the index attributes on NTFS directories,
+ * ASCII stirng variant. */
+#define NTFS_DIR_ATTRIBUTE_NAME "$I30"
+
+/**
+ * NTFS index header.
+ *
+ * This is used by NTFSATINDEXROOT and NTFSATINDEXALLOC as a prelude to the
+ * sequence of entries in a node.
+ */
+typedef struct NTFSINDEXHDR
+{
+ /** 0x00: Offset of the first entry relative to this header. */
+ uint32_t offFirstEntry;
+ /** 0x04: Current index size in bytes, including this header. */
+ uint32_t cbUsed;
+ /** 0x08: Number of bytes allocated for the index (including this header). */
+ uint32_t cbAllocated;
+ /** 0x0c: Flags (NTFSINDEXHDR_F_XXX). */
+ uint8_t fFlags;
+ /** 0x0d: Reserved bytes. */
+ uint8_t abReserved[3];
+ /* NTFSIDXENTRYHDR sequence typically follows here */
+} NTFSINDEXHDR;
+AssertCompileSize(NTFSINDEXHDR, 16);
+/** Pointer to a NTFS index header. */
+typedef NTFSINDEXHDR *PNTFSINDEXHDR;
+/** Pointer to a const NTFS index header. */
+typedef NTFSINDEXHDR const *PCNTFSINDEXHDR;
+
+/** @name NTFSINDEXHDR_F_XXX
+ * @{ */
+/** An internal node (as opposed to a leaf node if clear).
+ * This means that the entries will have trailing node references (VCN). */
+#define NTFSINDEXHDR_F_INTERNAL UINT8_C(0x01)
+/** @} */
+
+/** Gets the pointer to the first entry header for an index. */
+#define NTFSINDEXHDR_GET_FIRST_ENTRY(a_pIndexHdr) \
+ ( (PNTFSIDXENTRYHDR)((uint8_t *)(a_pIndexHdr) + RT_LE2H_U32((a_pIndexHdr)->offFirstEntry)) )
+
+
+/**
+ * NTFS index root node (NTFS_AT_INDEX_ROOT).
+ *
+ * This is a generic index structure, but is most prominently used for
+ * implementating directories. The index is structured like B-tree, meaning
+ * each node contains multiple entries, and each entry contains data regardless
+ * of whether it's a leaf node or not.
+ *
+ * The index is sorted in ascending order according to the collation rules
+ * defined by the root node (NTFSATINDEXROOT::uCollationRules, see also (see
+ * NTFS_COLLATION_XXX).
+ *
+ * @note The root directory contains a '.' entry, others don't.
+ */
+typedef struct NTFSATINDEXROOT
+{
+ /** 0x00: The index type (NTFSATINDEXROOT_TYPE_XXX). */
+ uint32_t uType;
+ /** 0x04: The sorting rules to use (NTFS_COLLATION_XXX). */
+ uint32_t uCollationRules;
+ /** 0x08: Number of bytes in
+ * Index node size (in bytes). */
+ uint32_t cbIndexNode;
+ /** 0x0c: Number of node addresses per node.
+ * This sounds weird right? A subnode is generally addressed as a virtual
+ * cluster when cbIndexNode >= cbCluster, but when clusters are large NTFS uses
+ * 512 bytes chunks.
+ *
+ * (You would've thought it would be simpler to just use cbIndexNode as the
+ * addressing unit, maybe storing the log2 here to avoid a ffs call.) */
+ uint8_t cAddressesPerIndexNode;
+ /** 0x0d: Reserved padding or something. */
+ uint8_t abReserved[3];
+ /** 0x10: Index header detailing the entries that follows. */
+ NTFSINDEXHDR Hdr;
+ /* 0x20: NTFSIDXENTRYHDR sequence typically follows here */
+} NTFSATINDEXROOT;
+AssertCompileSize(NTFSATINDEXROOT, 32);
+/** Pointer to a NTFS index root. */
+typedef NTFSATINDEXROOT *PNTFSATINDEXROOT;
+/** Pointer to a const NTFS index root. */
+typedef NTFSATINDEXROOT const *PCNTFSATINDEXROOT;
+
+/** @name NTFSATINDEXROOT_TYPE_XXX
+ * @{ */
+/** View index. */
+#define NTFSATINDEXROOT_TYPE_VIEW RT_H2LE_U32_C(UINT32_C(0x00000000))
+/** Directory index, NTFSATFILENAME follows NTFSINDEXENTRY. */
+#define NTFSATINDEXROOT_TYPE_DIR RT_H2LE_U32_C(UINT32_C(0x00000030))
+/** @} */
+
+/** @name NTFS_COLLATION_XXX - index sorting rules
+ * @{ */
+/** Little endian binary compare (or plain byte compare if you like). */
+#define NTFS_COLLATION_BINARY RT_H2LE_U32_C(UINT32_C(0x00000000))
+/** Same as NTFS_COLLATION_UNICODE_STRING. */
+#define NTFS_COLLATION_FILENAME RT_H2LE_U32_C(UINT32_C(0x00000001))
+/** Compare the uppercased unicode characters. */
+#define NTFS_COLLATION_UNICODE_STRING RT_H2LE_U32_C(UINT32_C(0x00000002))
+
+/** Single little endian 32-bit unsigned integer value as sort key. */
+#define NTFS_COLLATION_UINT32 RT_H2LE_U32_C(UINT32_C(0x00000010))
+/** Little endian SID value as sort key. */
+#define NTFS_COLLATION_SID RT_H2LE_U32_C(UINT32_C(0x00000011))
+/** Two little endian 32-bit unsigned integer values used as sorting key. */
+#define NTFS_COLLATION_UINT32_PAIR RT_H2LE_U32_C(UINT32_C(0x00000012))
+/** Sequence of little endian 32-bit unsigned integer values used as sorting key. */
+#define NTFS_COLLATION_UINT32_SEQ RT_H2LE_U32_C(UINT32_C(0x00000013))
+/** @} */
+
+
+/**
+ * NTFS index non-root node.
+ */
+typedef struct NTFSATINDEXALLOC
+{
+ /** 0x00: Header with NTFSREC_MAGIC_INDEX_ALLOC. */
+ NTFSRECHDR RecHdr;
+ /** 0x08: Log file sequence number. */
+ uint64_t uLsn;
+ /** 0x10: The node address of this node (for consistency checking and
+ * perhaps data reconstruction).
+ * @see NTFSATINDEXROOT::cAddressesPerIndexNode for node addressing. */
+ int64_t iSelfAddress;
+ /** 0x18: Index header detailing the entries that follows. */
+ NTFSINDEXHDR Hdr;
+ /* 0x28: NTFSIDXENTRYHDR sequence typically follows here */
+} NTFSATINDEXALLOC;
+AssertCompileSize(NTFSATINDEXALLOC, 40);
+/** Pointer to a NTFS index non-root node. */
+typedef NTFSATINDEXALLOC *PNTFSATINDEXALLOC;
+/** Pointer to a const NTFS index non-root node. */
+typedef NTFSATINDEXALLOC const *PCNTFSATINDEXALLOC;
+
+/** NTFS 'INDX' attribute magic value (NTFSATINDEXALLOC).
+ * @todo sort out the record / attribute name clash here. */
+#define NTFSREC_MAGIC_INDEX_ALLOC RT_H2LE_U32_C(UINT32_C(0x58444e49))
+
+
+/**
+ * NTFS index entry header.
+ *
+ * Each entry in a node starts with this header. It is immediately followed by
+ * the key data (NTFSIDXENTRYHDR::cbKey). When
+ *
+ */
+typedef struct NTFSIDXENTRYHDR
+{
+ union
+ {
+ /** 0x00: NTFSATINDEXROOT_TYPE_DIR: Reference to the MFT record being indexed here.
+ * @note This is invalid if NTFSIDXENTRYHDR_F_END is set (no key data). */
+ NTFSMFTREF FileMftRec;
+ /** 0x00: NTFSATINDEXROOT_TYPE_VIEW: Go figure later if necessary. */
+ struct
+ {
+ /** 0x00: Offset to the data relative to this header.
+ * @note This is invalid if NTFSIDXENTRYHDR_F_END is set (no key data). */
+ uint16_t offData;
+ /** 0x02: Size of data at offData.
+ * @note This is invalid if NTFSIDXENTRYHDR_F_END is set (no key data). */
+ uint16_t cbData;
+ /** 0x04: Reserved. */
+ uint32_t uReserved;
+ } View;
+ } u;
+
+ /** 0x08: Size of this entry, 8-byte aligned. */
+ uint16_t cbEntry;
+ /** 0x0a: Key length (unaligned). */
+ uint16_t cbKey;
+ /** 0x0c: Entry flags, NTFSIDXENTRYHDR_F_XXX. */
+ uint16_t fFlags;
+ /** 0x0e: Reserved. */
+ uint16_t uReserved;
+} NTFSIDXENTRYHDR;
+AssertCompileSize(NTFSIDXENTRYHDR, 16);
+/** Pointer to a NTFS index entry header. */
+typedef NTFSIDXENTRYHDR *PNTFSIDXENTRYHDR;
+/** Pointer to a const NTFS index entry header. */
+typedef NTFSIDXENTRYHDR const *PCNTFSIDXENTRYHDR;
+
+/** @name NTFSIDXENTRYHDR_F_XXX - NTFSIDXENTRYHDR::fFlags
+ * @{ */
+/** Indicates an internal node (as opposed to a leaf node).
+ * This indicates that there is a 64-bit integer value at the very end of the
+ * entry (NTFSIDXENTRYHDR::cbEntry - 8) giving the virtual cluster number of the
+ * subnode. The subnode and all its decendants contain keys that are lower than
+ * the key in this entry.
+ */
+#define NTFSIDXENTRYHDR_F_INTERNAL RT_H2LE_U16_C(UINT16_C(0x0001))
+/** Set if special end entry in a node.
+ * This does not have any key data, but can point to a subnode with
+ * higher keys. */
+#define NTFSIDXENTRYHDR_F_END RT_H2LE_U16_C(UINT16_C(0x0002))
+/** @} */
+
+/** Gets the pointer to the next index entry header. */
+#define NTFSIDXENTRYHDR_GET_NEXT(a_pEntryHdr) \
+ ( (PNTFSIDXENTRYHDR)((uintptr_t)(a_pEntryHdr) + RT_LE2H_U16((a_pEntryHdr)->cbEntry)) )
+/** Gets the subnode address from an index entry.
+ * @see NTFSATINDEXROOT::cAddressesPerIndexNode for node addressing.
+ * @note Only invoke when NTFSIDXENTRYHDR_F_INTERNAL is set! */
+#define NTFSIDXENTRYHDR_GET_SUBNODE(a_pEntryHdr) \
+ ( *(int64_t *)((uintptr_t)(a_pEntryHdr) + RT_LE2H_U16((a_pEntryHdr)->cbEntry) - sizeof(int64_t)) )
+
+/** @} */
+
+#endif /* !IPRT_INCLUDED_formats_ntfs_h */
+