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| #include <stdafx.h>
#include <IO32NT.h>
#include <conio.h>
#include <Winsvc.h>
CIO32NT :: CIO32NT ()
{
hSYS = NULL;
}
CIO32NT :: ~CIO32NT ()
{
DWORD dwReturn;
if ( hSYS != INVALID_HANDLE_VALUE)
{
DeviceIoControl (hSYS, IOCTL_WINIO_DISABLEDIRECTIO, NULL,0,NULL,0,&dwReturn,NULL);
CloseHandle (hSYS);
}
_freeService ();
hSYS = NULL;
}
bool CIO32NT :: InitPort ()
{
bool bResult;
PSTR pszTemp;
char szExe (MAX_PATH);
DWORD dwRet;
hSYS = CreateFile ( "\\\\.\\Iotrserv", GENERIC_READ | GENERIC_WRITE,0,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);
if (hSYS == INVALID_HANDLE_VALUE)
{
if (!GetModuleFileName ( GetModuleHandle (NULL), szExe,sizeof (szExe)))
return false;
pszTemp = strrchr ( szExe, '\\');
strcat (szExe, "IOtrserv.sys");
bResult = _goService ();
if (!bResult) return false;
hSYS = CreateFile ( "\\\\.\\IOtrserv", GENERIC_READ | GENERIC_WRITE,0,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);
if (hSYS == INVALID_HANDLE_VALUE) return false;
}
if (!DeviceIoControl (hSYS,IOCTL_WINIO_ENABLEDIRECTIO,NULL,0,NULL,0,&dwRet,NULL))
return false;
return true;
}
bool CIO32NT :: _loadService ( PSTR pszDriver)
{
SC_HANDLE hSrv;
SC_HANDLE hMan;
_freeService ();
hMan = OpenSCManager (NULL,NULL,SC_MANAGER_ALL_ACCESS);
if (hMan)
{
hSrv = CreateService (hMan, "IOtrserv", "IOtrserv",
SERVICE_ALL_ACCESS, SERVICE_KERNEL_DRIVER,SERVICE_DEMAND_START,
SERVICE_ERROR_NORMAL, pszDriver, NULL,NULL,NULL,NULL,NULL);
CloseServiceHandle (hMan);
if (hSrv == NULL) return false;
}
else
return false;
CloseServiceHandle (hMan);
return true;
}
bool CIO32NT :: _goService ()
{
bool bRes;
SC_HANDLE hSrv;
SC_HANDLE hMan;
hMan = OpenSCManager (NULL, NULL, SC_MANAGER_ALL_ACCESS);
if (hMan)
{
hSrv = OpenService (hMan, "IOtrserv", SERVICE_ALL_ACCESS);
CloseServiceHandle (hMan);
if (hSrv)
{
bRes = StartService (hSrv, 0,NULL);
if ( !bRes)
CloseServiceHandle ( hSrv);
}
else
return false;
}
else
return false;
return bRes;
}
bool CIO32NT :: _stopService ()
{
bool bRes;
SERVICE_STATUS srvStatus;
SC_HANDLE hMan;
SC_HANDLE hSrv;
hMan = OpenSCManager (NULL,NULL,SC_MANAGER_ALL_ACCESS);
if (hMan)
{
hSrv = OpenService (hMan, "IOtrserv", SERVICE_ALL_ACCESS);
CloseServiceHandle (hSrv);
if (hSrv)
{
bRes = ControlService (hSrv, SERVICE_CONTROL_STOP, &SrvStatus);
CloseServiceHandle (hSrv);
}
else
return false;
}
else
return false;
return bRes;
}
bool CIO32NT :: _freeService ()
{
bool bRes;
SC_HANDLE hSrv;
SC_HANDLE hMan;
_stopService ();
hMan = OpenSCManager (NULL,NULL,SC_MANAGER_ALL_ACCESS);
if (hMan)
{
hSrv = OpenService (hMan, "IOtrserv", SERVICE_ALL_ACCESS);
CloseServiceHandle (hMan);
if (hSrv)
{
bRes = DeleteService (hSrv);
CloseServiceHandle (hSrv);
}
else
return false;
}
else
return false;
return bRes;
}
void CIO32NT :: InPort (WORD wPort, PDWORD pdwValue, BYTE bSize)
{
switch (bSize)
{
case 1:
*pdwValue = _inp (wPort);
break;
case 2:
*pdwValue = _inpw (wPort);
break;
case 4:
*pdwValue = _inpd (wPort);
break;
}
}
void CIO32NT :: outPort (WORD wPort, DWORD dwValue, BYTE bSize)
{
switch (bSize)
{
case 1:
_outp (wPort, (BYTE) dwValue);
break;
case 2:
_outp (wPort, (WORD) dwValue);
break;
case 4:
_outp (wPort, dwValue);
break;
}
} |
