ring3級下直接讀寫硬碟
C程式碼
#include <windows.h>
#include <stdio.h>
#pragma comment(lib, "user32.lib");
#pragma comment(lib, "kernel32.lib");
const UINT uSectorSize = 512 ;
const UINT uBegSector = 0 ;
const UINT uSectorNum = 1 ;
const UINT uReadSize = uSectorSize * uSectorNum ;
BYTE bBuffer[uReadSize] = {0} ;
const char pDiskPath[] = "//./PHYSICALDRIVE0" ;
void ShowByteInform ( PBYTE pBuf, UINT uSize )
{
for ( UINT i = 1 ; i <= uSize; i++ )
{
printf ( " %02X", pBuf[i-1] ) ;
if ( i % 16 == 0 )
printf ( " " ) ;
else if ( i % 8 == 0 )
printf ( " " ) ;
}
}
int main()
{
HANDLE hDisk ;
__try {
hDisk = CreateFile ( pDiskPath, GENERIC_READ,
FILE_SHARE_READ|FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, 0 ) ;
if ( hDisk == INVALID_HANDLE_VALUE )
{
MessageBox ( 0, "磁碟開啟錯誤!", 0, 0 ) ;
return 0;
}
SetFilePointer ( hDisk, uBegSector * uSectorSize, 0, FILE_BEGIN ) ;
DWORD dwReadByte ;
ReadFile ( hDisk, (LPVOID)bBuffer, uReadSize, &dwReadByte, NULL ) ;
if ( dwReadByte == 0 )
{
MessageBox ( 0, "磁碟讀取錯誤!", 0, 0 ) ;
return 0;
}
ShowByteInform ( bBuffer, uReadSize ) ;
}
__finally {
CloseHandle ( hDisk ) ;
}
return 0;
}
#include <stdio.h>
#pragma comment(lib, "user32.lib");
#pragma comment(lib, "kernel32.lib");
const UINT uSectorSize = 512 ;
const UINT uBegSector = 0 ;
const UINT uSectorNum = 1 ;
const UINT uReadSize = uSectorSize * uSectorNum ;
BYTE bBuffer[uReadSize] = {0} ;
const char pDiskPath[] = "//./PHYSICALDRIVE0" ;
void ShowByteInform ( PBYTE pBuf, UINT uSize )
{
for ( UINT i = 1 ; i <= uSize; i++ )
{
printf ( " %02X", pBuf[i-1] ) ;
if ( i % 16 == 0 )
printf ( " " ) ;
else if ( i % 8 == 0 )
printf ( " " ) ;
}
}
int main()
{
HANDLE hDisk ;
__try {
hDisk = CreateFile ( pDiskPath, GENERIC_READ,
FILE_SHARE_READ|FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, 0 ) ;
if ( hDisk == INVALID_HANDLE_VALUE )
{
MessageBox ( 0, "磁碟開啟錯誤!", 0, 0 ) ;
return 0;
}
SetFilePointer ( hDisk, uBegSector * uSectorSize, 0, FILE_BEGIN ) ;
DWORD dwReadByte ;
ReadFile ( hDisk, (LPVOID)bBuffer, uReadSize, &dwReadByte, NULL ) ;
if ( dwReadByte == 0 )
{
MessageBox ( 0, "磁碟讀取錯誤!", 0, 0 ) ;
return 0;
}
ShowByteInform ( bBuffer, uReadSize ) ;
}
__finally {
CloseHandle ( hDisk ) ;
}
return 0;
}
Delphi程式碼
program Project1;
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls, ExtCtrls;
{$R *.RES}
const
BytesPerSector =512;
SectorCount =1;
SectorStart =0;
drive ='/.PHYSICALDRIVE0';
var
str :string;
p :pchar;
i :Cardinal;
hDeviceHandle :Thandle;
begin
hDeviceHandle := CreateFile(drive, GENERIC_READ,
FILE_SHARE_READ OR FILE_SHARE_WRITE, nil, OPEN_EXISTING,0, 0);
if (hDeviceHandle <> INVALID_HANDLE_VALUE) then
begin
p:=allocmem(SectorCount*BytesPerSector);
FileSeek(hDevicehandle,SectorStart*BytesPerSector,0);
if FileRead(hDevicehandle,p[0],SectorCount*BytesPerSector)<>SectorCount*BytesPerSector then
raise exception.create('讀取錯誤');
str:='';
for i:=0 to 512-1 do
begin
if i mod 16=0 then
str:=str+format('0x%.8x ',[i]);
str:=str+format(' %.2x',[integer(p[i])]);
if i mod 16=15 then
str:=str+#13#10;
end;
ShowMessage( str);
freemem(p,SectorCount*BytesPerSector);
closehandle(hDeviceHandle);
end;
end.
{END}
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls, ExtCtrls;
{$R *.RES}
const
BytesPerSector =512;
SectorCount =1;
SectorStart =0;
drive ='/.PHYSICALDRIVE0';
var
str :string;
p :pchar;
i :Cardinal;
hDeviceHandle :Thandle;
begin
hDeviceHandle := CreateFile(drive, GENERIC_READ,
FILE_SHARE_READ OR FILE_SHARE_WRITE, nil, OPEN_EXISTING,0, 0);
if (hDeviceHandle <> INVALID_HANDLE_VALUE) then
begin
p:=allocmem(SectorCount*BytesPerSector);
FileSeek(hDevicehandle,SectorStart*BytesPerSector,0);
if FileRead(hDevicehandle,p[0],SectorCount*BytesPerSector)<>SectorCount*BytesPerSector then
raise exception.create('讀取錯誤');
str:='';
for i:=0 to 512-1 do
begin
if i mod 16=0 then
str:=str+format('0x%.8x ',[i]);
str:=str+format(' %.2x',[integer(p[i])]);
if i mod 16=15 then
str:=str+#13#10;
end;
ShowMessage( str);
freemem(p,SectorCount*BytesPerSector);
closehandle(hDeviceHandle);
end;
end.
{END}
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