mirror of
https://github.com/reactos/reactos.git
synced 2025-08-05 15:33:07 +00:00
Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys.
This commit is contained in:
Colin Finck
parent
b94e2d8ca0
commit
c2c66aff7d
24198 changed files with 0 additions and 37285 deletions
300
sdk/lib/cmlib/hivewrt.c
Normal file
300
sdk/lib/cmlib/hivewrt.c
Normal file
|
|
@ -0,0 +1,300 @@
|
|||
/*
|
||||
* PROJECT: Registry manipulation library
|
||||
* LICENSE: GPL - See COPYING in the top level directory
|
||||
* COPYRIGHT: Copyright 2005 Filip Navara <navaraf@reactos.org>
|
||||
* Copyright 2001 - 2005 Eric Kohl
|
||||
*/
|
||||
|
||||
#include "cmlib.h"
|
||||
#define NDEBUG
|
||||
#include <debug.h>
|
||||
|
||||
static BOOLEAN CMAPI
|
||||
HvpWriteLog(
|
||||
PHHIVE RegistryHive)
|
||||
{
|
||||
ULONG FileOffset;
|
||||
UINT32 BufferSize;
|
||||
UINT32 BitmapSize;
|
||||
PUCHAR Buffer;
|
||||
PUCHAR Ptr;
|
||||
ULONG BlockIndex;
|
||||
ULONG LastIndex;
|
||||
PVOID BlockPtr;
|
||||
BOOLEAN Success;
|
||||
static ULONG PrintCount = 0;
|
||||
|
||||
if (PrintCount++ == 0)
|
||||
{
|
||||
UNIMPLEMENTED;
|
||||
}
|
||||
return TRUE;
|
||||
|
||||
ASSERT(RegistryHive->ReadOnly == FALSE);
|
||||
ASSERT(RegistryHive->BaseBlock->Length ==
|
||||
RegistryHive->Storage[Stable].Length * HBLOCK_SIZE);
|
||||
|
||||
DPRINT("HvpWriteLog called\n");
|
||||
|
||||
if (RegistryHive->BaseBlock->Sequence1 !=
|
||||
RegistryHive->BaseBlock->Sequence2)
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
BitmapSize = RegistryHive->DirtyVector.SizeOfBitMap;
|
||||
BufferSize = HV_LOG_HEADER_SIZE + sizeof(ULONG) + BitmapSize;
|
||||
BufferSize = ROUND_UP(BufferSize, HBLOCK_SIZE);
|
||||
|
||||
DPRINT("Bitmap size %u buffer size: %u\n", BitmapSize, BufferSize);
|
||||
|
||||
Buffer = RegistryHive->Allocate(BufferSize, TRUE, TAG_CM);
|
||||
if (Buffer == NULL)
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
/* Update first update counter and CheckSum */
|
||||
RegistryHive->BaseBlock->Type = HFILE_TYPE_LOG;
|
||||
RegistryHive->BaseBlock->Sequence1++;
|
||||
RegistryHive->BaseBlock->CheckSum =
|
||||
HvpHiveHeaderChecksum(RegistryHive->BaseBlock);
|
||||
|
||||
/* Copy hive header */
|
||||
RtlCopyMemory(Buffer, RegistryHive->BaseBlock, HV_LOG_HEADER_SIZE);
|
||||
Ptr = Buffer + HV_LOG_HEADER_SIZE;
|
||||
RtlCopyMemory(Ptr, "DIRT", 4);
|
||||
Ptr += 4;
|
||||
RtlCopyMemory(Ptr, RegistryHive->DirtyVector.Buffer, BitmapSize);
|
||||
|
||||
/* Write hive block and block bitmap */
|
||||
FileOffset = 0;
|
||||
Success = RegistryHive->FileWrite(RegistryHive, HFILE_TYPE_LOG,
|
||||
&FileOffset, Buffer, BufferSize);
|
||||
RegistryHive->Free(Buffer, 0);
|
||||
|
||||
if (!Success)
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
/* Write dirty blocks */
|
||||
FileOffset = BufferSize;
|
||||
BlockIndex = 0;
|
||||
while (BlockIndex < RegistryHive->Storage[Stable].Length)
|
||||
{
|
||||
LastIndex = BlockIndex;
|
||||
BlockIndex = RtlFindSetBits(&RegistryHive->DirtyVector, 1, BlockIndex);
|
||||
if (BlockIndex == ~0U || BlockIndex < LastIndex)
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
||||
BlockPtr = (PVOID)RegistryHive->Storage[Stable].BlockList[BlockIndex].BlockAddress;
|
||||
|
||||
/* Write hive block */
|
||||
Success = RegistryHive->FileWrite(RegistryHive, HFILE_TYPE_LOG,
|
||||
&FileOffset, BlockPtr, HBLOCK_SIZE);
|
||||
if (!Success)
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
BlockIndex++;
|
||||
FileOffset += HBLOCK_SIZE;
|
||||
}
|
||||
|
||||
Success = RegistryHive->FileSetSize(RegistryHive, HFILE_TYPE_LOG, FileOffset, FileOffset);
|
||||
if (!Success)
|
||||
{
|
||||
DPRINT("FileSetSize failed\n");
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
/* Flush the log file */
|
||||
Success = RegistryHive->FileFlush(RegistryHive, HFILE_TYPE_LOG, NULL, 0);
|
||||
if (!Success)
|
||||
{
|
||||
DPRINT("FileFlush failed\n");
|
||||
}
|
||||
|
||||
/* Update second update counter and CheckSum */
|
||||
RegistryHive->BaseBlock->Sequence2++;
|
||||
RegistryHive->BaseBlock->CheckSum =
|
||||
HvpHiveHeaderChecksum(RegistryHive->BaseBlock);
|
||||
|
||||
/* Write hive header again with updated sequence counter. */
|
||||
FileOffset = 0;
|
||||
Success = RegistryHive->FileWrite(RegistryHive, HFILE_TYPE_LOG,
|
||||
&FileOffset, RegistryHive->BaseBlock,
|
||||
HV_LOG_HEADER_SIZE);
|
||||
if (!Success)
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
/* Flush the log file */
|
||||
Success = RegistryHive->FileFlush(RegistryHive, HFILE_TYPE_LOG, NULL, 0);
|
||||
if (!Success)
|
||||
{
|
||||
DPRINT("FileFlush failed\n");
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static BOOLEAN CMAPI
|
||||
HvpWriteHive(
|
||||
PHHIVE RegistryHive,
|
||||
BOOLEAN OnlyDirty)
|
||||
{
|
||||
ULONG FileOffset;
|
||||
ULONG BlockIndex;
|
||||
ULONG LastIndex;
|
||||
PVOID BlockPtr;
|
||||
BOOLEAN Success;
|
||||
|
||||
ASSERT(RegistryHive->ReadOnly == FALSE);
|
||||
ASSERT(RegistryHive->BaseBlock->Length ==
|
||||
RegistryHive->Storage[Stable].Length * HBLOCK_SIZE);
|
||||
|
||||
DPRINT("HvpWriteHive called\n");
|
||||
|
||||
if (RegistryHive->BaseBlock->Sequence1 !=
|
||||
RegistryHive->BaseBlock->Sequence2)
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
/* Update first update counter and CheckSum */
|
||||
RegistryHive->BaseBlock->Type = HFILE_TYPE_PRIMARY;
|
||||
RegistryHive->BaseBlock->Sequence1++;
|
||||
RegistryHive->BaseBlock->CheckSum =
|
||||
HvpHiveHeaderChecksum(RegistryHive->BaseBlock);
|
||||
|
||||
/* Write hive block */
|
||||
FileOffset = 0;
|
||||
Success = RegistryHive->FileWrite(RegistryHive, HFILE_TYPE_PRIMARY,
|
||||
&FileOffset, RegistryHive->BaseBlock,
|
||||
sizeof(HBASE_BLOCK));
|
||||
if (!Success)
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
BlockIndex = 0;
|
||||
while (BlockIndex < RegistryHive->Storage[Stable].Length)
|
||||
{
|
||||
if (OnlyDirty)
|
||||
{
|
||||
LastIndex = BlockIndex;
|
||||
BlockIndex = RtlFindSetBits(&RegistryHive->DirtyVector, 1, BlockIndex);
|
||||
if (BlockIndex == ~0U || BlockIndex < LastIndex)
|
||||
{
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
BlockPtr = (PVOID)RegistryHive->Storage[Stable].BlockList[BlockIndex].BlockAddress;
|
||||
FileOffset = (BlockIndex + 1) * HBLOCK_SIZE;
|
||||
|
||||
/* Write hive block */
|
||||
Success = RegistryHive->FileWrite(RegistryHive, HFILE_TYPE_PRIMARY,
|
||||
&FileOffset, BlockPtr, HBLOCK_SIZE);
|
||||
if (!Success)
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
BlockIndex++;
|
||||
}
|
||||
|
||||
Success = RegistryHive->FileFlush(RegistryHive, HFILE_TYPE_PRIMARY, NULL, 0);
|
||||
if (!Success)
|
||||
{
|
||||
DPRINT("FileFlush failed\n");
|
||||
}
|
||||
|
||||
/* Update second update counter and CheckSum */
|
||||
RegistryHive->BaseBlock->Sequence2++;
|
||||
RegistryHive->BaseBlock->CheckSum =
|
||||
HvpHiveHeaderChecksum(RegistryHive->BaseBlock);
|
||||
|
||||
/* Write hive block */
|
||||
FileOffset = 0;
|
||||
Success = RegistryHive->FileWrite(RegistryHive, HFILE_TYPE_PRIMARY,
|
||||
&FileOffset, RegistryHive->BaseBlock,
|
||||
sizeof(HBASE_BLOCK));
|
||||
if (!Success)
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
Success = RegistryHive->FileFlush(RegistryHive, HFILE_TYPE_PRIMARY, NULL, 0);
|
||||
if (!Success)
|
||||
{
|
||||
DPRINT("FileFlush failed\n");
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
BOOLEAN CMAPI
|
||||
HvSyncHive(
|
||||
PHHIVE RegistryHive)
|
||||
{
|
||||
ASSERT(RegistryHive->ReadOnly == FALSE);
|
||||
|
||||
if (RtlFindSetBits(&RegistryHive->DirtyVector, 1, 0) == ~0U)
|
||||
{
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
/* Update hive header modification time */
|
||||
KeQuerySystemTime(&RegistryHive->BaseBlock->TimeStamp);
|
||||
|
||||
/* Update log file */
|
||||
if (!HvpWriteLog(RegistryHive))
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
/* Update hive file */
|
||||
if (!HvpWriteHive(RegistryHive, TRUE))
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
/* Clear dirty bitmap. */
|
||||
RtlClearAllBits(&RegistryHive->DirtyVector);
|
||||
RegistryHive->DirtyCount = 0;
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
BOOLEAN
|
||||
CMAPI
|
||||
HvHiveWillShrink(IN PHHIVE RegistryHive)
|
||||
{
|
||||
/* No shrinking yet */
|
||||
UNIMPLEMENTED;
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
BOOLEAN CMAPI
|
||||
HvWriteHive(
|
||||
PHHIVE RegistryHive)
|
||||
{
|
||||
ASSERT(RegistryHive->ReadOnly == FALSE);
|
||||
|
||||
/* Update hive header modification time */
|
||||
KeQuerySystemTime(&RegistryHive->BaseBlock->TimeStamp);
|
||||
|
||||
/* Update hive file */
|
||||
if (!HvpWriteHive(RegistryHive, FALSE))
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue