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https://github.com/reactos/reactos.git
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309 lines
8.3 KiB
C
309 lines
8.3 KiB
C
/*
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* PROJECT: registry manipulation library
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* LICENSE: GPL - See COPYING in the top level directory
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* COPYRIGHT: Copyright 2005 Filip Navara <navaraf@reactos.org>
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* Copyright 2001 - 2005 Eric Kohl
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*/
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#ifndef CMLIB_HIVEDATA_H
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#define CMLIB_HIVEDATA_H
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//
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// Hive operations
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//
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#define HINIT_CREATE 0
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#define HINIT_MEMORY 1
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#define HINIT_FILE 2
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#define HINIT_MEMORY_INPLACE 3
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#define HINIT_FLAT 4
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#define HINIT_MAPFILE 5
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//
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// Hive flags
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//
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#define HIVE_VOLATILE 1
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#define HIVE_NOLAZYFLUSH 2
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#define HIVE_HAS_BEEN_REPLACED 4
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#define HIVE_HAS_BEEN_FREED 8
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#define HIVE_UNKNOWN 0x10
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#define HIVE_IS_UNLOADING 0x20
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//
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// Hive types
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//
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#define HFILE_TYPE_PRIMARY 0
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#define HFILE_TYPE_ALTERNATE 1
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#define HFILE_TYPE_LOG 2
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#define HFILE_TYPE_EXTERNAL 3
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#define HFILE_TYPE_MAX 4
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//
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// Hive sizes
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//
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#define HBLOCK_SIZE 0x1000
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#define HSECTOR_SIZE 0x200
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#define HSECTOR_COUNT 8
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#define HV_BLOCK_SIZE 4096
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#define HV_LOG_HEADER_SIZE FIELD_OFFSET(HBASE_BLOCK, Reserved2)
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#define HV_SIGNATURE 0x66676572
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#define HV_BIN_SIGNATURE 0x6e696268
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//
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// Hive versions
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//
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#define HSYS_MAJOR 1
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#define HSYS_MINOR 3
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#define HSYS_WHISTLER_BETA1 4
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#define HSYS_WHISTLER 5
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#define HSYS_MINOR_SUPPORTED HSYS_WHISTLER
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//
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// Hive formats
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//
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#define HBASE_FORMAT_MEMORY 1
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//
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// Hive storage
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//
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#define HTYPE_COUNT 2
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/**
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* @name HCELL_INDEX
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*
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* A handle to cell index. The highest bit specifies the cell storage and
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* the other bits specify index into the hive file. The value HCELL_NULL
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* (-1) is reserved for marking invalid cells.
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*/
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typedef ULONG HCELL_INDEX, *PHCELL_INDEX;
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//
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// Cell Magic Values
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//
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#define HCELL_NIL -1
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#define HCELL_CACHED 1
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#define HCELL_TYPE_MASK 0x80000000
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#define HCELL_BLOCK_MASK 0x7ffff000
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#define HCELL_OFFSET_MASK 0x00000fff
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#define HCELL_TYPE_SHIFT 31
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#define HCELL_BLOCK_SHIFT 12
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#define HCELL_OFFSET_SHIFT 0
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#define HvGetCellType(Cell) \
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((ULONG)((Cell & HCELL_TYPE_MASK) >> HCELL_TYPE_SHIFT))
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#define HvGetCellBlock(Cell) \
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((ULONG)((Cell & HCELL_BLOCK_MASK) >> HCELL_BLOCK_SHIFT))
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typedef enum
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{
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Stable = 0,
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Volatile = 1
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} HSTORAGE_TYPE;
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#ifdef CMLIB_HOST
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#include <host/pshpack1.h>
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#else
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#include <pshpack1.h>
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#endif
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/**
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* @name HBASE_BLOCK
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*
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* On-disk header for registry hive file.
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*/
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typedef struct _HBASE_BLOCK
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{
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/* Hive identifier "regf" (0x66676572) */
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ULONG Signature;
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/* Update counter */
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ULONG Sequence1;
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/* Update counter */
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ULONG Sequence2;
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/* When this hive file was last modified */
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LARGE_INTEGER TimeStamp;
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/* Registry format major version (1) */
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ULONG Major;
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/* Registry format minor version (3)
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Version 3 added fast indexes, version 5 has large value optimizations */
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ULONG Minor;
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/* Registry file type (0 - Primary, 1 - Log) */
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ULONG Type;
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/* Registry format (1 is the only defined value so far) */
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ULONG Format;
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/* Offset into file from the byte after the end of the base block.
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If the hive is volatile, this is the actual pointer to the CM_KEY_NODE */
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HCELL_INDEX RootCell;
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/* Size of each hive block ? */
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ULONG Length;
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/* (1?) */
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ULONG Cluster;
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/* Name of hive file */
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CHAR FileName[64];
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ULONG Reserved1[99];
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/* Checksum of first 0x200 bytes */
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ULONG CheckSum;
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ULONG Reserved2[0x37E];
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ULONG BootType;
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ULONG BootRecover;
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} HBASE_BLOCK, *PHBASE_BLOCK;
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typedef struct _HBIN
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{
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/* Bin identifier "hbin" (0x6E696268) */
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ULONG Signature;
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/* Block offset of this bin */
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HCELL_INDEX FileOffset;
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/* Size in bytes, multiple of the block size (4KB) */
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ULONG Size;
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ULONG Reserved1[2];
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/* When this bin was last modified */
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LARGE_INTEGER TimeStamp;
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/* ? (In-memory only) */
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ULONG Spare;
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} HBIN, *PHBIN;
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typedef struct _HCELL
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{
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/* <0 if used, >0 if free */
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LONG Size;
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} HCELL, *PHCELL;
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#ifdef CMLIB_HOST
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#include <host/poppack.h>
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#else
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#include <poppack.h>
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#endif
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struct _HHIVE;
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typedef struct _CELL_DATA* (CMAPI *PGET_CELL_ROUTINE)(
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struct _HHIVE *Hive,
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HCELL_INDEX Cell);
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typedef VOID (CMAPI *PRELEASE_CELL_ROUTINE)(
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struct _HHIVE *Hive,
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HCELL_INDEX Cell);
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typedef PVOID (CMAPI *PALLOCATE_ROUTINE)(
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SIZE_T Size,
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BOOLEAN Paged,
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ULONG Tag);
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typedef VOID (CMAPI *PFREE_ROUTINE)(
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PVOID Ptr,
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ULONG Quota);
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typedef BOOLEAN (CMAPI *PFILE_READ_ROUTINE)(
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struct _HHIVE *RegistryHive,
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ULONG FileType,
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PULONG FileOffset,
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PVOID Buffer,
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SIZE_T BufferLength);
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typedef BOOLEAN (CMAPI *PFILE_WRITE_ROUTINE)(
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struct _HHIVE *RegistryHive,
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ULONG FileType,
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PULONG FileOffset,
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PVOID Buffer,
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SIZE_T BufferLength);
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typedef BOOLEAN (CMAPI *PFILE_SET_SIZE_ROUTINE)(
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struct _HHIVE *RegistryHive,
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ULONG FileType,
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ULONG FileSize,
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ULONG OldfileSize);
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typedef BOOLEAN (CMAPI *PFILE_FLUSH_ROUTINE)(
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struct _HHIVE *RegistryHive,
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ULONG FileType,
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PLARGE_INTEGER FileOffset,
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ULONG Length
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);
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typedef struct _HMAP_ENTRY
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{
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ULONG_PTR BlockAddress;
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ULONG_PTR BinAddress;
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struct _CM_VIEW_OF_FILE *CmView;
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ULONG MemAlloc;
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} HMAP_ENTRY, *PHMAP_ENTRY;
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typedef struct _HMAP_TABLE
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{
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HMAP_ENTRY Table[512];
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} HMAP_TABLE, *PHMAP_TABLE;
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typedef struct _HMAP_DIRECTORY
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{
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PHMAP_TABLE Directory[2048];
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} HMAP_DIRECTORY, *PHMAP_DIRECTORY;
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typedef struct _DUAL
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{
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ULONG Length;
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PHMAP_DIRECTORY Map;
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PHMAP_ENTRY BlockList; // PHMAP_TABLE SmallDir;
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ULONG Guard;
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HCELL_INDEX FreeDisplay[24]; //FREE_DISPLAY FreeDisplay[24];
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ULONG FreeSummary;
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LIST_ENTRY FreeBins;
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} DUAL, *PDUAL;
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typedef struct _HHIVE
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{
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ULONG Signature;
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PGET_CELL_ROUTINE GetCellRoutine;
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PRELEASE_CELL_ROUTINE ReleaseCellRoutine;
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PALLOCATE_ROUTINE Allocate;
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PFREE_ROUTINE Free;
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PFILE_READ_ROUTINE FileRead;
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PFILE_WRITE_ROUTINE FileWrite;
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PFILE_SET_SIZE_ROUTINE FileSetSize;
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PFILE_FLUSH_ROUTINE FileFlush;
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PHBASE_BLOCK BaseBlock;
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RTL_BITMAP DirtyVector;
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ULONG DirtyCount;
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ULONG DirtyAlloc;
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ULONG BaseBlockAlloc;
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ULONG Cluster;
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BOOLEAN Flat;
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BOOLEAN ReadOnly;
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BOOLEAN Log;
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BOOLEAN DirtyFlag;
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ULONG HvBinHeadersUse;
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ULONG HvFreeCellsUse;
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ULONG HvUsedcellsUse;
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ULONG CmUsedCellsUse;
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ULONG HiveFlags;
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ULONG LogSize;
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ULONG RefreshCount;
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ULONG StorageTypeCount;
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ULONG Version;
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DUAL Storage[HTYPE_COUNT];
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} HHIVE, *PHHIVE;
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#define IsFreeCell(Cell)(Cell->Size >= 0)
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#define IsUsedCell(Cell)(Cell->Size < 0)
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#endif /* CMLIB_HIVEDATA_H */
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