Sweden-Number/dlls/wbemprox/class.c

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/*
* 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 "config.h"
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "objbase.h"
#include "wbemcli.h"
#include "wine/debug.h"
#include "wbemprox_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(wbemprox);
struct enum_class_object
{
IEnumWbemClassObject IEnumWbemClassObject_iface;
LONG refs;
struct query *query;
UINT index;
};
static inline struct enum_class_object *impl_from_IEnumWbemClassObject(
IEnumWbemClassObject *iface )
{
return CONTAINING_RECORD(iface, struct enum_class_object, IEnumWbemClassObject_iface);
}
static ULONG WINAPI enum_class_object_AddRef(
IEnumWbemClassObject *iface )
{
struct enum_class_object *ec = impl_from_IEnumWbemClassObject( iface );
return InterlockedIncrement( &ec->refs );
}
static ULONG WINAPI enum_class_object_Release(
IEnumWbemClassObject *iface )
{
struct enum_class_object *ec = impl_from_IEnumWbemClassObject( iface );
LONG refs = InterlockedDecrement( &ec->refs );
if (!refs)
{
TRACE("destroying %p\n", ec);
release_query( ec->query );
heap_free( ec );
}
return refs;
}
static HRESULT WINAPI enum_class_object_QueryInterface(
IEnumWbemClassObject *iface,
REFIID riid,
void **ppvObject )
{
struct enum_class_object *ec = impl_from_IEnumWbemClassObject( iface );
TRACE("%p, %s, %p\n", ec, debugstr_guid( riid ), ppvObject );
if ( IsEqualGUID( riid, &IID_IEnumWbemClassObject ) ||
IsEqualGUID( riid, &IID_IUnknown ) )
{
*ppvObject = ec;
}
else if ( IsEqualGUID( riid, &IID_IClientSecurity ) )
{
*ppvObject = &client_security;
return S_OK;
}
else
{
FIXME("interface %s not implemented\n", debugstr_guid(riid));
return E_NOINTERFACE;
}
IEnumWbemClassObject_AddRef( iface );
return S_OK;
}
static HRESULT WINAPI enum_class_object_Reset(
IEnumWbemClassObject *iface )
{
struct enum_class_object *ec = impl_from_IEnumWbemClassObject( iface );
TRACE("%p\n", iface);
ec->index = 0;
return WBEM_S_NO_ERROR;
}
static HRESULT WINAPI enum_class_object_Next(
IEnumWbemClassObject *iface,
LONG lTimeout,
ULONG uCount,
IWbemClassObject **apObjects,
ULONG *puReturned )
{
struct enum_class_object *ec = impl_from_IEnumWbemClassObject( iface );
struct view *view = ec->query->view;
HRESULT hr;
TRACE("%p, %d, %u, %p, %p\n", iface, lTimeout, uCount, apObjects, puReturned);
if (!uCount) return WBEM_S_FALSE;
if (!apObjects || !puReturned) return WBEM_E_INVALID_PARAMETER;
if (lTimeout != WBEM_INFINITE) FIXME("timeout not supported\n");
*puReturned = 0;
if (ec->index + uCount > view->count) return WBEM_S_FALSE;
hr = create_class_object( view->table->name, iface, ec->index, apObjects );
if (hr != S_OK) return hr;
ec->index++;
*puReturned = 1;
if (ec->index == view->count) return WBEM_S_FALSE;
if (uCount > 1) return WBEM_S_TIMEDOUT;
return WBEM_S_NO_ERROR;
}
static HRESULT WINAPI enum_class_object_NextAsync(
IEnumWbemClassObject *iface,
ULONG uCount,
IWbemObjectSink *pSink )
{
FIXME("%p, %u, %p\n", iface, uCount, pSink);
return E_NOTIMPL;
}
static HRESULT WINAPI enum_class_object_Clone(
IEnumWbemClassObject *iface,
IEnumWbemClassObject **ppEnum )
{
struct enum_class_object *ec = impl_from_IEnumWbemClassObject( iface );
TRACE("%p, %p\n", iface, ppEnum);
return EnumWbemClassObject_create( NULL, ec->query, (void **)ppEnum );
}
static HRESULT WINAPI enum_class_object_Skip(
IEnumWbemClassObject *iface,
LONG lTimeout,
ULONG nCount )
{
struct enum_class_object *ec = impl_from_IEnumWbemClassObject( iface );
struct view *view = ec->query->view;
TRACE("%p, %d, %u\n", iface, lTimeout, nCount);
if (lTimeout != WBEM_INFINITE) FIXME("timeout not supported\n");
if (!view->count) return WBEM_S_FALSE;
if (nCount > view->count - ec->index)
{
ec->index = view->count - 1;
return WBEM_S_FALSE;
}
ec->index += nCount;
return WBEM_S_NO_ERROR;
}
static const IEnumWbemClassObjectVtbl enum_class_object_vtbl =
{
enum_class_object_QueryInterface,
enum_class_object_AddRef,
enum_class_object_Release,
enum_class_object_Reset,
enum_class_object_Next,
enum_class_object_NextAsync,
enum_class_object_Clone,
enum_class_object_Skip
};
HRESULT EnumWbemClassObject_create(
IUnknown *pUnkOuter, struct query *query, LPVOID *ppObj )
{
struct enum_class_object *ec;
TRACE("%p, %p\n", pUnkOuter, ppObj);
ec = heap_alloc( sizeof(*ec) );
if (!ec) return E_OUTOFMEMORY;
ec->IEnumWbemClassObject_iface.lpVtbl = &enum_class_object_vtbl;
ec->refs = 1;
ec->query = query;
addref_query( query );
ec->index = 0;
*ppObj = &ec->IEnumWbemClassObject_iface;
TRACE("returning iface %p\n", *ppObj);
return S_OK;
}
struct class_object
{
IWbemClassObject IWbemClassObject_iface;
LONG refs;
WCHAR *name;
IEnumWbemClassObject *iter;
UINT index;
UINT index_method;
UINT index_property;
};
static inline struct class_object *impl_from_IWbemClassObject(
IWbemClassObject *iface )
{
return CONTAINING_RECORD(iface, struct class_object, IWbemClassObject_iface);
}
static ULONG WINAPI class_object_AddRef(
IWbemClassObject *iface )
{
struct class_object *co = impl_from_IWbemClassObject( iface );
return InterlockedIncrement( &co->refs );
}
static ULONG WINAPI class_object_Release(
IWbemClassObject *iface )
{
struct class_object *co = impl_from_IWbemClassObject( iface );
LONG refs = InterlockedDecrement( &co->refs );
if (!refs)
{
TRACE("destroying %p\n", co);
if (co->iter) IEnumWbemClassObject_Release( co->iter );
heap_free( co->name );
heap_free( co );
}
return refs;
}
static HRESULT WINAPI class_object_QueryInterface(
IWbemClassObject *iface,
REFIID riid,
void **ppvObject )
{
struct class_object *co = impl_from_IWbemClassObject( iface );
TRACE("%p, %s, %p\n", co, debugstr_guid( riid ), ppvObject );
if ( IsEqualGUID( riid, &IID_IWbemClassObject ) ||
IsEqualGUID( riid, &IID_IUnknown ) )
{
*ppvObject = co;
}
else
{
FIXME("interface %s not implemented\n", debugstr_guid(riid));
return E_NOINTERFACE;
}
IWbemClassObject_AddRef( iface );
return S_OK;
}
static HRESULT WINAPI class_object_GetQualifierSet(
IWbemClassObject *iface,
IWbemQualifierSet **ppQualSet )
{
FIXME("%p, %p\n", iface, ppQualSet);
return E_NOTIMPL;
}
static HRESULT WINAPI class_object_Get(
IWbemClassObject *iface,
LPCWSTR wszName,
LONG lFlags,
VARIANT *pVal,
CIMTYPE *pType,
LONG *plFlavor )
{
struct class_object *co = impl_from_IWbemClassObject( iface );
struct enum_class_object *ec = impl_from_IEnumWbemClassObject( co->iter );
struct view *view = ec->query->view;
TRACE("%p, %s, %08x, %p, %p, %p\n", iface, debugstr_w(wszName), lFlags, pVal, pType, plFlavor);
return get_propval( view, co->index, wszName, pVal, pType, plFlavor );
}
static HRESULT WINAPI class_object_Put(
IWbemClassObject *iface,
LPCWSTR wszName,
LONG lFlags,
VARIANT *pVal,
CIMTYPE Type )
{
struct class_object *co = impl_from_IWbemClassObject( iface );
struct enum_class_object *ec = impl_from_IEnumWbemClassObject( co->iter );
struct view *view = ec->query->view;
TRACE("%p, %s, %08x, %p, %u\n", iface, debugstr_w(wszName), lFlags, pVal, Type);
return put_propval( view, co->index, wszName, pVal, Type );
}
static HRESULT WINAPI class_object_Delete(
IWbemClassObject *iface,
LPCWSTR wszName )
{
FIXME("%p, %s\n", iface, debugstr_w(wszName));
return E_NOTIMPL;
}
static HRESULT WINAPI class_object_GetNames(
IWbemClassObject *iface,
LPCWSTR wszQualifierName,
LONG lFlags,
VARIANT *pQualifierVal,
SAFEARRAY **pNames )
{
struct class_object *co = impl_from_IWbemClassObject( iface );
struct enum_class_object *ec = impl_from_IEnumWbemClassObject( co->iter );
TRACE("%p, %s, %08x, %p, %p\n", iface, debugstr_w(wszQualifierName), lFlags, pQualifierVal, pNames);
if (wszQualifierName || pQualifierVal)
{
FIXME("qualifier not supported\n");
return E_NOTIMPL;
}
if (lFlags != WBEM_FLAG_ALWAYS)
{
FIXME("flags %08x not supported\n", lFlags);
return E_NOTIMPL;
}
return get_properties( ec->query->view, pNames );
}
static HRESULT WINAPI class_object_BeginEnumeration(
IWbemClassObject *iface,
LONG lEnumFlags )
{
struct class_object *co = impl_from_IWbemClassObject( iface );
TRACE("%p, %08x\n", iface, lEnumFlags);
if (lEnumFlags) FIXME("flags 0x%08x not supported\n", lEnumFlags);
co->index_property = 0;
return S_OK;
}
static HRESULT WINAPI class_object_Next(
IWbemClassObject *iface,
LONG lFlags,
BSTR *strName,
VARIANT *pVal,
CIMTYPE *pType,
LONG *plFlavor )
{
struct class_object *co = impl_from_IWbemClassObject( iface );
struct enum_class_object *ec = impl_from_IEnumWbemClassObject( co->iter );
struct view *view = ec->query->view;
const WCHAR *property;
HRESULT hr;
TRACE("%p, %08x, %p, %p, %p, %p\n", iface, lFlags, strName, pVal, pType, plFlavor);
if (!(property = get_property_name( co->name, co->index_property ))) return WBEM_S_NO_MORE_DATA;
if (!(*strName = SysAllocString( property ))) return E_OUTOFMEMORY;
if ((hr = get_propval( view, co->index, property, pVal, pType, plFlavor ) != S_OK))
{
SysFreeString( *strName );
return hr;
}
co->index_property++;
return S_OK;
}
static HRESULT WINAPI class_object_EndEnumeration(
IWbemClassObject *iface )
{
struct class_object *co = impl_from_IWbemClassObject( iface );
TRACE("%p\n", iface);
co->index_property = 0;
return S_OK;
}
static HRESULT WINAPI class_object_GetPropertyQualifierSet(
IWbemClassObject *iface,
LPCWSTR wszProperty,
IWbemQualifierSet **ppQualSet )
{
FIXME("%p, %s, %p\n", iface, debugstr_w(wszProperty), ppQualSet);
return E_NOTIMPL;
}
static HRESULT WINAPI class_object_Clone(
IWbemClassObject *iface,
IWbemClassObject **ppCopy )
{
FIXME("%p, %p\n", iface, ppCopy);
return E_NOTIMPL;
}
static HRESULT WINAPI class_object_GetObjectText(
IWbemClassObject *iface,
LONG lFlags,
BSTR *pstrObjectText )
{
FIXME("%p, %08x, %p\n", iface, lFlags, pstrObjectText);
return E_NOTIMPL;
}
static HRESULT WINAPI class_object_SpawnDerivedClass(
IWbemClassObject *iface,
LONG lFlags,
IWbemClassObject **ppNewClass )
{
FIXME("%p, %08x, %p\n", iface, lFlags, ppNewClass);
return E_NOTIMPL;
}
static HRESULT WINAPI class_object_SpawnInstance(
IWbemClassObject *iface,
LONG lFlags,
IWbemClassObject **ppNewInstance )
{
FIXME("%p, %08x, %p\n", iface, lFlags, ppNewInstance);
return E_NOTIMPL;
}
static HRESULT WINAPI class_object_CompareTo(
IWbemClassObject *iface,
LONG lFlags,
IWbemClassObject *pCompareTo )
{
FIXME("%p, %08x, %p\n", iface, lFlags, pCompareTo);
return E_NOTIMPL;
}
static HRESULT WINAPI class_object_GetPropertyOrigin(
IWbemClassObject *iface,
LPCWSTR wszName,
BSTR *pstrClassName )
{
FIXME("%p, %s, %p\n", iface, debugstr_w(wszName), pstrClassName);
return E_NOTIMPL;
}
static HRESULT WINAPI class_object_InheritsFrom(
IWbemClassObject *iface,
LPCWSTR strAncestor )
{
FIXME("%p, %s\n", iface, debugstr_w(strAncestor));
return E_NOTIMPL;
}
static UINT count_instances( IEnumWbemClassObject *iter )
{
UINT count = 0;
while (!IEnumWbemClassObject_Skip( iter, WBEM_INFINITE, 1 )) count++;
IEnumWbemClassObject_Reset( iter );
return count;
}
static void set_default_value( CIMTYPE type, UINT val, BYTE *ptr )
{
switch (type)
{
case CIM_SINT16:
*(INT16 *)ptr = val;
break;
case CIM_UINT16:
*(UINT16 *)ptr = val;
break;
case CIM_SINT32:
*(INT32 *)ptr = val;
break;
case CIM_UINT32:
*(UINT32 *)ptr = val;
break;
default:
FIXME("unhandled type %u\n", type);
break;
}
}
static HRESULT create_signature_columns_and_data( IEnumWbemClassObject *iter, UINT *num_cols,
struct column **cols, BYTE **data )
{
static const WCHAR parameterW[] = {'P','a','r','a','m','e','t','e','r',0};
static const WCHAR typeW[] = {'T','y','p','e',0};
static const WCHAR defaultvalueW[] = {'D','e','f','a','u','l','t','V','a','l','u','e',0};
struct column *columns;
BYTE *row;
IWbemClassObject *param;
VARIANT val;
HRESULT hr = E_OUTOFMEMORY;
UINT offset = 0;
ULONG count;
int i = 0;
count = count_instances( iter );
if (!(columns = heap_alloc( count * sizeof(struct column) ))) return E_OUTOFMEMORY;
if (!(row = heap_alloc_zero( count * sizeof(LONGLONG) ))) goto error;
for (;;)
{
IEnumWbemClassObject_Next( iter, WBEM_INFINITE, 1, &param, &count );
if (!count) break;
hr = IWbemClassObject_Get( param, parameterW, 0, &val, NULL, NULL );
if (hr != S_OK) goto error;
columns[i].name = heap_strdupW( V_BSTR( &val ) );
VariantClear( &val );
hr = IWbemClassObject_Get( param, typeW, 0, &val, NULL, NULL );
if (hr != S_OK) goto error;
columns[i].type = V_UI4( &val );
columns[i].vartype = 0;
hr = IWbemClassObject_Get( param, defaultvalueW, 0, &val, NULL, NULL );
if (hr != S_OK) goto error;
if (V_UI4( &val )) set_default_value( columns[i].type, V_UI4( &val ), row + offset );
offset += get_type_size( columns[i].type );
IWbemClassObject_Release( param );
i++;
}
*num_cols = i;
*cols = columns;
*data = row;
return S_OK;
error:
for (; i >= 0; i--) heap_free( (WCHAR *)columns[i].name );
heap_free( columns );
heap_free( row );
return hr;
}
static HRESULT create_signature_table( IEnumWbemClassObject *iter, WCHAR *name )
{
HRESULT hr;
struct table *table;
struct column *columns;
UINT num_cols;
BYTE *row;
hr = create_signature_columns_and_data( iter, &num_cols, &columns, &row );
if (hr != S_OK) return hr;
if (!(table = create_table( name, num_cols, columns, 1, row, NULL )))
{
free_columns( columns, num_cols );
heap_free( row );
return E_OUTOFMEMORY;
}
if (!add_table( table )) free_table( table ); /* already exists */
return S_OK;
}
static WCHAR *build_signature_table_name( const WCHAR *class, const WCHAR *method, enum param_direction dir )
{
static const WCHAR fmtW[] = {'_','_','%','s','_','%','s','_','%','s',0};
static const WCHAR outW[] = {'O','U','T',0};
static const WCHAR inW[] = {'I','N',0};
UINT len = SIZEOF(fmtW) + SIZEOF(outW) + strlenW( class ) + strlenW( method );
WCHAR *ret;
if (!(ret = heap_alloc( len * sizeof(WCHAR) ))) return NULL;
sprintfW( ret, fmtW, class, method, dir == PARAM_IN ? inW : outW );
return struprW( ret );
}
static HRESULT create_signature( const WCHAR *class, const WCHAR *method, enum param_direction dir,
IWbemClassObject **sig )
{
static const WCHAR selectW[] =
{'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
'_','_','P','A','R','A','M','E','T','E','R','S',' ','W','H','E','R','E',' ',
'C','l','a','s','s','=','\'','%','s','\'',' ','A','N','D',' ',
'M','e','t','h','o','d','=','\'','%','s','\'',' ','A','N','D',' ',
'D','i','r','e','c','t','i','o','n','%','s',0};
static const WCHAR geW[] = {'>','=','0',0};
static const WCHAR leW[] = {'<','=','0',0};
UINT len = SIZEOF(selectW) + SIZEOF(geW);
IEnumWbemClassObject *iter;
WCHAR *query, *name;
HRESULT hr;
len += strlenW( class ) + strlenW( method );
if (!(query = heap_alloc( len * sizeof(WCHAR) ))) return E_OUTOFMEMORY;
sprintfW( query, selectW, class, method, dir >= 0 ? geW : leW );
hr = exec_query( query, &iter );
heap_free( query );
if (hr != S_OK) return hr;
if (!(name = build_signature_table_name( class, method, dir )))
{
IEnumWbemClassObject_Release( iter );
return E_OUTOFMEMORY;
}
hr = create_signature_table( iter, name );
IEnumWbemClassObject_Release( iter );
if (hr != S_OK)
{
heap_free( name );
return hr;
}
return get_object( name, sig );
}
static HRESULT WINAPI class_object_GetMethod(
IWbemClassObject *iface,
LPCWSTR wszName,
LONG lFlags,
IWbemClassObject **ppInSignature,
IWbemClassObject **ppOutSignature )
{
struct class_object *co = impl_from_IWbemClassObject( iface );
HRESULT hr;
TRACE("%p, %s, %08x, %p, %p\n", iface, debugstr_w(wszName), lFlags, ppInSignature, ppOutSignature);
hr = create_signature( co->name, wszName, PARAM_IN, ppInSignature );
if (hr != S_OK) return hr;
hr = create_signature( co->name, wszName, PARAM_OUT, ppOutSignature );
if (hr != S_OK) IWbemClassObject_Release( *ppInSignature );
return hr;
}
static HRESULT WINAPI class_object_PutMethod(
IWbemClassObject *iface,
LPCWSTR wszName,
LONG lFlags,
IWbemClassObject *pInSignature,
IWbemClassObject *pOutSignature )
{
FIXME("%p, %s, %08x, %p, %p\n", iface, debugstr_w(wszName), lFlags, pInSignature, pOutSignature);
return E_NOTIMPL;
}
static HRESULT WINAPI class_object_DeleteMethod(
IWbemClassObject *iface,
LPCWSTR wszName )
{
FIXME("%p, %s\n", iface, debugstr_w(wszName));
return E_NOTIMPL;
}
static HRESULT WINAPI class_object_BeginMethodEnumeration(
IWbemClassObject *iface,
LONG lEnumFlags)
{
struct class_object *co = impl_from_IWbemClassObject( iface );
TRACE("%p, %08x\n", iface, lEnumFlags);
if (lEnumFlags) FIXME("flags 0x%08x not supported\n", lEnumFlags);
if (co->iter)
{
WARN("not allowed on instance\n");
return WBEM_E_ILLEGAL_OPERATION;
}
co->index_method = 0;
return S_OK;
}
static HRESULT WINAPI class_object_NextMethod(
IWbemClassObject *iface,
LONG lFlags,
BSTR *pstrName,
IWbemClassObject **ppInSignature,
IWbemClassObject **ppOutSignature)
{
struct class_object *co = impl_from_IWbemClassObject( iface );
const WCHAR *method;
HRESULT hr;
TRACE("%p, %08x, %p, %p, %p\n", iface, lFlags, pstrName, ppInSignature, ppOutSignature);
if (!(method = get_method_name( co->name, co->index_method ))) return WBEM_S_NO_MORE_DATA;
hr = create_signature( co->name, method, PARAM_IN, ppInSignature );
if (hr != S_OK) return hr;
hr = create_signature( co->name, method, PARAM_OUT, ppOutSignature );
if (hr != S_OK) IWbemClassObject_Release( *ppInSignature );
else
{
if (!(*pstrName = SysAllocString( method )))
{
IWbemClassObject_Release( *ppInSignature );
IWbemClassObject_Release( *ppOutSignature );
return E_OUTOFMEMORY;
}
co->index_method++;
}
return hr;
}
static HRESULT WINAPI class_object_EndMethodEnumeration(
IWbemClassObject *iface )
{
struct class_object *co = impl_from_IWbemClassObject( iface );
TRACE("%p\n", iface);
co->index_method = 0;
return S_OK;
}
static HRESULT WINAPI class_object_GetMethodQualifierSet(
IWbemClassObject *iface,
LPCWSTR wszMethod,
IWbemQualifierSet **ppQualSet)
{
FIXME("%p, %s, %p\n", iface, debugstr_w(wszMethod), ppQualSet);
return E_NOTIMPL;
}
static HRESULT WINAPI class_object_GetMethodOrigin(
IWbemClassObject *iface,
LPCWSTR wszMethodName,
BSTR *pstrClassName)
{
FIXME("%p, %s, %p\n", iface, debugstr_w(wszMethodName), pstrClassName);
return E_NOTIMPL;
}
static const IWbemClassObjectVtbl class_object_vtbl =
{
class_object_QueryInterface,
class_object_AddRef,
class_object_Release,
class_object_GetQualifierSet,
class_object_Get,
class_object_Put,
class_object_Delete,
class_object_GetNames,
class_object_BeginEnumeration,
class_object_Next,
class_object_EndEnumeration,
class_object_GetPropertyQualifierSet,
class_object_Clone,
class_object_GetObjectText,
class_object_SpawnDerivedClass,
class_object_SpawnInstance,
class_object_CompareTo,
class_object_GetPropertyOrigin,
class_object_InheritsFrom,
class_object_GetMethod,
class_object_PutMethod,
class_object_DeleteMethod,
class_object_BeginMethodEnumeration,
class_object_NextMethod,
class_object_EndMethodEnumeration,
class_object_GetMethodQualifierSet,
class_object_GetMethodOrigin
};
HRESULT create_class_object(
const WCHAR *name, IEnumWbemClassObject *iter, UINT index, IWbemClassObject **obj )
{
struct class_object *co;
TRACE("%s, %p\n", debugstr_w(name), obj);
co = heap_alloc( sizeof(*co) );
if (!co) return E_OUTOFMEMORY;
co->IWbemClassObject_iface.lpVtbl = &class_object_vtbl;
co->refs = 1;
co->name = heap_strdupW( name );
if (!co->name)
{
heap_free( co );
return E_OUTOFMEMORY;
}
co->iter = iter;
co->index = index;
co->index_method = 0;
co->index_property = 0;
if (iter) IEnumWbemClassObject_AddRef( iter );
*obj = &co->IWbemClassObject_iface;
TRACE("returning iface %p\n", *obj);
return S_OK;
}