Sweden-Number/dlls/wbemprox/service.c

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/*
* Win32_Service methods implementation
*
* Copyright 2012 Hans Leidekker for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define COBJMACROS
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wbemcli.h"
#include "winsvc.h"
#include "wine/debug.h"
#include "wbemprox_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(wbemprox);
static UINT map_error( DWORD error )
{
switch (error)
{
case ERROR_SUCCESS: return 0;
case ERROR_ACCESS_DENIED: return 2;
case ERROR_DEPENDENT_SERVICES_RUNNING: return 3;
case ERROR_INVALID_SERVICE_CONTROL: return 4;
case ERROR_SERVICE_CANNOT_ACCEPT_CTRL: return 5;
case ERROR_SERVICE_NOT_ACTIVE: return 6;
case ERROR_SERVICE_REQUEST_TIMEOUT: return 7;
case ERROR_SERVICE_ALREADY_RUNNING: return 10;
default:
WARN("unknown error %u\n", error);
break;
}
return 8;
}
static HRESULT control_service( const WCHAR *name, DWORD control, VARIANT *retval )
{
SC_HANDLE manager, service = NULL;
SERVICE_STATUS status;
UINT error = 0;
if (!(manager = OpenSCManagerW( NULL, NULL, SC_MANAGER_ENUMERATE_SERVICE )))
{
error = map_error( GetLastError() );
goto done;
}
if (!(service = OpenServiceW( manager, name, SERVICE_STOP|SERVICE_START|SERVICE_PAUSE_CONTINUE )))
{
error = map_error( GetLastError() );
goto done;
}
if (!ControlService( service, control, &status )) error = map_error( GetLastError() );
CloseServiceHandle( service );
done:
set_variant( VT_UI4, error, NULL, retval );
if (manager) CloseServiceHandle( manager );
return S_OK;
}
HRESULT service_pause_service( IWbemClassObject *obj, IWbemClassObject *in, IWbemClassObject **out )
{
VARIANT name, retval;
IWbemClassObject *sig, *out_params = NULL;
HRESULT hr;
TRACE("%p, %p, %p\n", obj, in, out);
hr = IWbemClassObject_Get( obj, L"Name", 0, &name, NULL, NULL );
if (hr != S_OK) return hr;
hr = create_signature( L"Win32_Service", L"PauseService", PARAM_OUT, &sig );
if (hr != S_OK)
{
VariantClear( &name );
return hr;
}
if (out)
{
hr = IWbemClassObject_SpawnInstance( sig, 0, &out_params );
if (hr != S_OK)
{
VariantClear( &name );
IWbemClassObject_Release( sig );
return hr;
}
}
hr = control_service( V_BSTR(&name), SERVICE_CONTROL_PAUSE, &retval );
if (hr != S_OK) goto done;
if (out_params)
hr = IWbemClassObject_Put( out_params, L"ReturnValue", 0, &retval, CIM_UINT32 );
done:
VariantClear( &name );
IWbemClassObject_Release( sig );
if (hr == S_OK && out)
{
*out = out_params;
IWbemClassObject_AddRef( out_params );
}
if (out_params) IWbemClassObject_Release( out_params );
return hr;
}
HRESULT service_resume_service( IWbemClassObject *obj, IWbemClassObject *in, IWbemClassObject **out )
{
VARIANT name, retval;
IWbemClassObject *sig, *out_params = NULL;
HRESULT hr;
TRACE("%p, %p, %p\n", obj, in, out);
hr = IWbemClassObject_Get( obj, L"Name", 0, &name, NULL, NULL );
if (hr != S_OK) return hr;
hr = create_signature( L"Win32_Service", L"ResumeService", PARAM_OUT, &sig );
if (hr != S_OK)
{
VariantClear( &name );
return hr;
}
if (out)
{
hr = IWbemClassObject_SpawnInstance( sig, 0, &out_params );
if (hr != S_OK)
{
VariantClear( &name );
IWbemClassObject_Release( sig );
return hr;
}
}
hr = control_service( V_BSTR(&name), SERVICE_CONTROL_CONTINUE, &retval );
if (hr != S_OK) goto done;
if (out_params)
hr = IWbemClassObject_Put( out_params, L"ReturnValue", 0, &retval, CIM_UINT32 );
done:
VariantClear( &name );
IWbemClassObject_Release( sig );
if (hr == S_OK && out)
{
*out = out_params;
IWbemClassObject_AddRef( out_params );
}
if (out_params) IWbemClassObject_Release( out_params );
return hr;
}
static HRESULT start_service( const WCHAR *name, VARIANT *retval )
{
SC_HANDLE manager, service = NULL;
UINT error = 0;
if (!(manager = OpenSCManagerW( NULL, NULL, SC_MANAGER_ENUMERATE_SERVICE )))
{
error = map_error( GetLastError() );
goto done;
}
if (!(service = OpenServiceW( manager, name, SERVICE_START )))
{
error = map_error( GetLastError() );
goto done;
}
if (!StartServiceW( service, 0, NULL )) error = map_error( GetLastError() );
CloseServiceHandle( service );
done:
set_variant( VT_UI4, error, NULL, retval );
if (manager) CloseServiceHandle( manager );
return S_OK;
}
HRESULT service_start_service( IWbemClassObject *obj, IWbemClassObject *in, IWbemClassObject **out )
{
VARIANT name, retval;
IWbemClassObject *sig, *out_params = NULL;
HRESULT hr;
TRACE("%p, %p, %p\n", obj, in, out);
hr = IWbemClassObject_Get( obj, L"Name", 0, &name, NULL, NULL );
if (hr != S_OK) return hr;
hr = create_signature( L"Win32_Service", L"StartService", PARAM_OUT, &sig );
if (hr != S_OK)
{
VariantClear( &name );
return hr;
}
if (out)
{
hr = IWbemClassObject_SpawnInstance( sig, 0, &out_params );
if (hr != S_OK)
{
VariantClear( &name );
IWbemClassObject_Release( sig );
return hr;
}
}
hr = start_service( V_BSTR(&name), &retval );
if (hr != S_OK) goto done;
if (out_params)
hr = IWbemClassObject_Put( out_params, L"ReturnValue", 0, &retval, CIM_UINT32 );
done:
VariantClear( &name );
IWbemClassObject_Release( sig );
if (hr == S_OK && out)
{
*out = out_params;
IWbemClassObject_AddRef( out_params );
}
if (out_params) IWbemClassObject_Release( out_params );
return hr;
}
HRESULT service_stop_service( IWbemClassObject *obj, IWbemClassObject *in, IWbemClassObject **out )
{
VARIANT name, retval;
IWbemClassObject *sig, *out_params = NULL;
HRESULT hr;
TRACE("%p, %p, %p\n", obj, in, out);
hr = IWbemClassObject_Get( obj, L"Name", 0, &name, NULL, NULL );
if (hr != S_OK) return hr;
hr = create_signature( L"Win32_Service", L"StopService", PARAM_OUT, &sig );
if (hr != S_OK)
{
VariantClear( &name );
return hr;
}
if (out)
{
hr = IWbemClassObject_SpawnInstance( sig, 0, &out_params );
if (hr != S_OK)
{
VariantClear( &name );
IWbemClassObject_Release( sig );
return hr;
}
}
hr = control_service( V_BSTR(&name), SERVICE_CONTROL_STOP, &retval );
if (hr != S_OK) goto done;
if (out_params)
hr = IWbemClassObject_Put( out_params, L"ReturnValue", 0, &retval, CIM_UINT32 );
done:
VariantClear( &name );
IWbemClassObject_Release( sig );
if (hr == S_OK && out)
{
*out = out_params;
IWbemClassObject_AddRef( out_params );
}
if (out_params) IWbemClassObject_Release( out_params );
return hr;
}