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/*
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* ntcd.cpp - Interface to cdenable.sys driver
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*
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* Basilisk II (C) 1997-2008 Christian Bauer
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*
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* Windows platform specific code copyright (C) Lauri Pesonen
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "sysdeps.h"
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#include <windows.h>
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extern "C" {
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#include <winioctl.h>
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#include <winsvc.h>
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#include "ntcd.h"
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#include "cdenable.h"
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static char *sDriverShort = "cdenable";
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static char *sDriverLong = "System32\\Drivers\\cdenable.sys";
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static char *sCompleteName = "\\\\.\\cdenable";
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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// Start type must be SERVICE_AUTO_START or lower, in order
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// it to start automatically and allow the mechanism work
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// for users with no admin rights.
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static BOOL InstallDriver(
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IN SC_HANDLE SchSCManager,
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IN LPCTSTR DriverName,
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IN LPCTSTR ServiceExe
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)
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{
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SC_HANDLE schService;
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DWORD err;
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schService = CreateService (
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SchSCManager, // SCManager database
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DriverName, // name of service
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DriverName, // name to display
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SERVICE_ALL_ACCESS, // desired access
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SERVICE_KERNEL_DRIVER, // service type
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SERVICE_AUTO_START, // SERVICE_DEMAND_START, // start type
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SERVICE_ERROR_NORMAL, // error control type
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ServiceExe, // service's binary
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NULL, // no load ordering group
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NULL, // no tag identifier
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NULL, // no dependencies
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NULL, // LocalSystem account
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NULL // no password
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);
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if (schService == NULL) {
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err = GetLastError();
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if (err == ERROR_SERVICE_EXISTS) {
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return TRUE;
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} else {
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return FALSE;
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}
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}
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CloseServiceHandle (schService);
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return TRUE;
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}
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static BOOL RemoveDriver(
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IN SC_HANDLE SchSCManager,
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IN LPCTSTR DriverName
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)
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{
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SC_HANDLE schService;
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BOOL ret;
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schService = OpenService (SchSCManager,
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DriverName,
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SERVICE_ALL_ACCESS
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);
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if (schService == NULL) return FALSE;
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ret = DeleteService (schService);
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CloseServiceHandle (schService);
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return ret;
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}
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static BOOL StartDriver(
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IN SC_HANDLE SchSCManager,
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IN LPCTSTR DriverName
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) {
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SC_HANDLE schService;
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BOOL ret;
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DWORD err;
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schService = OpenService (SchSCManager,
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DriverName,
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SERVICE_ALL_ACCESS
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);
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if (schService == NULL) return FALSE;
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ret = StartService (schService, // service identifier
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0, // number of arguments
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NULL // pointer to arguments
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);
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if(ret == 0) {
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err = GetLastError();
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if (err == ERROR_SERVICE_ALREADY_RUNNING) {
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ret = TRUE;
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} else {
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ret = FALSE;
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}
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}
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CloseServiceHandle (schService);
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return ret;
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}
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static BOOL StopDriver(
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IN SC_HANDLE SchSCManager,
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IN LPCTSTR DriverName
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)
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{
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SC_HANDLE schService;
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BOOL ret;
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SERVICE_STATUS serviceStatus;
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schService = OpenService (SchSCManager,
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DriverName,
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SERVICE_ALL_ACCESS
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);
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if (schService == NULL) return FALSE;
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ret = ControlService (schService,
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SERVICE_CONTROL_STOP,
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&serviceStatus
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);
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CloseServiceHandle (schService);
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return ret;
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}
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static BOOL __cdecl start_driver( void )
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{
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SC_HANDLE schSCManager;
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BOOL ret = FALSE;
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schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS );
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if(!schSCManager) return(FALSE);
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if(!InstallDriver( schSCManager, sDriverShort, sDriverLong )) {
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CloseServiceHandle( schSCManager );
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return(FALSE);
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}
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ret = StartDriver( schSCManager, sDriverShort );
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if(!ret) {
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(void)RemoveDriver( schSCManager, sDriverShort );
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}
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CloseServiceHandle( schSCManager );
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return( ret );
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}
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static BOOL __cdecl stop_driver( void )
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{
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SC_HANDLE schSCManager;
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BOOL ret = FALSE;
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schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS );
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if(!schSCManager) return(FALSE);
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if(StopDriver( schSCManager, sDriverShort )) ret = TRUE;
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CloseServiceHandle( schSCManager );
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return( ret );
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}
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static BOOL __cdecl remove_driver( void )
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{
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SC_HANDLE schSCManager;
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BOOL ret = FALSE;
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schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS );
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if(!schSCManager) return(FALSE);
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if(RemoveDriver( schSCManager, sDriverShort )) ret = TRUE;
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CloseServiceHandle( schSCManager );
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return( ret );
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}
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// Exported stuff begins
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int CdenableSysReadCdBytes( HANDLE h, DWORD start, DWORD count, char *buf )
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{
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HANDLE hDevice;
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int ret;
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DWORD nb;
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DWORD in_buffer[10];
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DWORD out_buffer[10];
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ret = 0;
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in_buffer[0] = (DWORD)h;
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in_buffer[1] = (DWORD)start;
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in_buffer[2] = (DWORD)count;
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in_buffer[3] = (DWORD)buf;
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out_buffer[0] = 0;
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hDevice = CreateFile (sCompleteName,
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GENERIC_READ | GENERIC_WRITE,
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0,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL
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);
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if (hDevice == ((HANDLE)-1)) {
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ret = 0;
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} else {
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if ( DeviceIoControl( hDevice,
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IOCTL_CDENABLE_READ,
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(LPVOID)in_buffer, 16,
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(LPVOID)out_buffer, 4,
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&nb, NULL ) )
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{
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if(out_buffer[0] != 0) ret = count;
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}
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CloseHandle (hDevice);
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}
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return ret;
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}
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int CdenableSysReadCdSectors( HANDLE h, DWORD start, DWORD count, char *buf )
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{
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return( CdenableSysReadCdBytes( h, (start<<11), (count<<11), buf ) );
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}
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int CdenableSysWriteCdBytes( HANDLE h, DWORD start, DWORD count, char *buf )
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{
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return( 0 );
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/*
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HANDLE hDevice;
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int ret;
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DWORD nb;
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DWORD in_buffer[10];
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DWORD out_buffer[10];
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ret = 0;
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in_buffer[0] = (DWORD)h;
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in_buffer[1] = (DWORD)start;
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in_buffer[2] = (DWORD)count;
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in_buffer[3] = (DWORD)buf;
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out_buffer[0] = 0;
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hDevice = CreateFile (sCompleteName,
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GENERIC_READ | GENERIC_WRITE,
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0,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL
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);
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if (hDevice == ((HANDLE)-1)) {
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ret = 0;
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} else {
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if ( DeviceIoControl( hDevice,
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IOCTL_CDENABLE_WRITE,
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(LPVOID)in_buffer, 16,
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(LPVOID)out_buffer, 4,
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&nb, NULL ) )
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{
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if(out_buffer[0] != 0) ret = count;
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}
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CloseHandle (hDevice);
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}
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return ret;
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*/
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}
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int CdenableSysWriteCdSectors( HANDLE h, DWORD start, DWORD count, char *buf )
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{
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// return( CdenableSysWriteCdBytes( h, (start<<11), (count<<11), buf ) );
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return( 0 );
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}
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BOOL CdenableSysInstallStart(void)
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{
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return(start_driver());
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}
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void CdenableSysStopRemove(void)
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{
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stop_driver();
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remove_driver();
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}
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DWORD CdenableSysGetVersion( void )
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{
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HANDLE hDevice;
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DWORD ret;
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DWORD nb;
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DWORD out_buffer[10];
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ret = 0;
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out_buffer[0] = 0;
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hDevice = CreateFile (sCompleteName,
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GENERIC_READ | GENERIC_WRITE,
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0,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL
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);
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if (hDevice == ((HANDLE)-1)) {
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ret = 0;
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} else {
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if ( DeviceIoControl( hDevice,
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IOCTL_CDENABLE_GET_VERSION,
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NULL, 0,
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(LPVOID)out_buffer, 4,
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&nb, NULL ) )
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{
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ret = out_buffer[0];
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}
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CloseHandle (hDevice);
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}
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return ret;
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}
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#ifdef __cplusplus
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} //extern "C"
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#endif
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|
