class.c 26.2 KB
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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;
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    struct query *query;
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    UINT index;
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};

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);
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        release_query( ec->query );
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        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;
    }
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    else if ( IsEqualGUID( riid, &IID_IClientSecurity ) )
    {
        *ppvObject = &client_security;
        return S_OK;
    }
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    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 )
{
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    struct enum_class_object *ec = impl_from_IEnumWbemClassObject( iface );

    TRACE("%p\n", iface);

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    ec->index = 0;
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    return WBEM_S_NO_ERROR;
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}

static HRESULT WINAPI enum_class_object_Next(
    IEnumWbemClassObject *iface,
    LONG lTimeout,
    ULONG uCount,
    IWbemClassObject **apObjects,
    ULONG *puReturned )
{
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    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;
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    if (ec->index + uCount > view->count) return WBEM_S_FALSE;
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    hr = create_class_object( view->table->name, iface, ec->index, NULL, apObjects );
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    if (hr != S_OK) return hr;

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    ec->index++;
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    *puReturned = 1;
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    if (ec->index == view->count) return WBEM_S_FALSE;
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    if (uCount > 1) return WBEM_S_TIMEDOUT;
    return WBEM_S_NO_ERROR;
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}

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 )
{
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    struct enum_class_object *ec = impl_from_IEnumWbemClassObject( iface );

    TRACE("%p, %p\n", iface, ppEnum);

    return EnumWbemClassObject_create( NULL, ec->query, (void **)ppEnum );
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}

static HRESULT WINAPI enum_class_object_Skip(
    IEnumWbemClassObject *iface,
    LONG lTimeout,
    ULONG nCount )
{
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    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");

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    if (!view->count) return WBEM_S_FALSE;

    if (nCount > view->count - ec->index)
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    {
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        ec->index = view->count - 1;
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        return WBEM_S_FALSE;
    }
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    ec->index += nCount;
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    return WBEM_S_NO_ERROR;
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}

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(
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    IUnknown *pUnkOuter, struct query *query, LPVOID *ppObj )
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{
    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;
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    ec->query = query;
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    addref_query( query );
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    ec->index = 0;
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    *ppObj = &ec->IEnumWbemClassObject_iface;

    TRACE("returning iface %p\n", *ppObj);
    return S_OK;
}

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static struct record *create_record( const struct column *columns, UINT num_cols )
{
    UINT i;
    struct record *record;

    if (!(record = heap_alloc( sizeof(struct record) ))) return NULL;
    if (!(record->fields = heap_alloc( num_cols * sizeof(struct field) )))
    {
        heap_free( record );
        return NULL;
    }
    for (i = 0; i < num_cols; i++)
    {
        record->fields[i].type   = columns[i].type;
        record->fields[i].u.ival = 0;
    }
    record->count = num_cols;
    return record;
}

static void destroy_record( struct record *record )
{
    UINT i;

    if (!record) return;
    for (i = 0; i < record->count; i++)
    {
        if (record->fields[i].type == CIM_STRING || record->fields[i].type == CIM_DATETIME)
            heap_free( record->fields[i].u.sval );
    }
    heap_free( record->fields );
    heap_free( record );
}

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struct class_object
{
    IWbemClassObject IWbemClassObject_iface;
    LONG refs;
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    WCHAR *name;
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    IEnumWbemClassObject *iter;
    UINT index;
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    UINT index_method;
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    UINT index_property;
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    struct record *record; /* uncommitted instance */
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};

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);
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        if (co->iter) IEnumWbemClassObject_Release( co->iter );
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        destroy_record( co->record );
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        heap_free( co->name );
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        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;
    }
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    else if (IsEqualGUID( riid, &IID_IClientSecurity ))
    {
        *ppvObject = &client_security;
        return S_OK;
    }
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    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 )
{
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    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);

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    return get_propval( view, co->index, wszName, pVal, pType, plFlavor );
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}

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static HRESULT record_set_value( struct record *record, UINT index, VARIANT *var )
{
    LONGLONG val;
    CIMTYPE type;
    HRESULT hr;

    if ((hr = variant_to_longlong( var, &val, &type )) != S_OK) return hr;
    if (type != record->fields[index].type) return WBEM_E_TYPE_MISMATCH;

    switch (type)
    {
    case CIM_STRING:
    case CIM_DATETIME:
        record->fields[index].u.sval = (WCHAR *)(INT_PTR)val;
        return S_OK;
    case CIM_SINT16:
    case CIM_UINT16:
    case CIM_SINT32:
    case CIM_UINT32:
        record->fields[index].u.ival = val;
        return S_OK;
    default:
        FIXME("unhandled type %u\n", type);
        break;
    }
    return WBEM_E_INVALID_PARAMETER;
}

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static HRESULT WINAPI class_object_Put(
    IWbemClassObject *iface,
    LPCWSTR wszName,
    LONG lFlags,
    VARIANT *pVal,
    CIMTYPE Type )
{
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    struct class_object *co = impl_from_IWbemClassObject( iface );
    struct enum_class_object *ec = impl_from_IEnumWbemClassObject( co->iter );

    TRACE("%p, %s, %08x, %p, %u\n", iface, debugstr_w(wszName), lFlags, pVal, Type);

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    if (co->record)
    {
        struct table *table = get_table( co->name );
        UINT index;
        HRESULT hr;

        if ((hr = get_column_index( table, wszName, &index )) != S_OK) return hr;
        return record_set_value( co->record, index, pVal );
    }
    return put_propval( ec->query->view, co->index, wszName, pVal, Type );
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}

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,
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    SAFEARRAY **pNames )
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{
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    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 );
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}

static HRESULT WINAPI class_object_BeginEnumeration(
    IWbemClassObject *iface,
    LONG lEnumFlags )
{
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    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;
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}

static HRESULT WINAPI class_object_Next(
    IWbemClassObject *iface,
    LONG lFlags,
    BSTR *strName,
    VARIANT *pVal,
    CIMTYPE *pType,
    LONG *plFlavor )
{
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    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;
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}

static HRESULT WINAPI class_object_EndEnumeration(
    IWbemClassObject *iface )
{
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    struct class_object *co = impl_from_IWbemClassObject( iface );

    TRACE("%p\n", iface);

    co->index_property = 0;
    return S_OK;
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}

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;
}

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static BSTR get_body_text( const struct table *table, UINT row, UINT *len )
{
    static const WCHAR fmtW[] = {'\n','\t','%','s',' ','=',' ','%','s',';',0};
    BSTR value, ret;
    WCHAR *p;
    UINT i;

    *len = 0;
    for (i = 0; i < table->num_cols; i++)
    {
        *len += sizeof(fmtW) / sizeof(fmtW[0]);
        *len += strlenW( table->columns[i].name );
        value = get_value_bstr( table, row, i );
        *len += SysStringLen( value );
        SysFreeString( value );
    }
    if (!(ret = SysAllocStringLen( NULL, *len ))) return NULL;
    p = ret;
    for (i = 0; i < table->num_cols; i++)
    {
        value = get_value_bstr( table, row, i );
        p += sprintfW( p, fmtW, table->columns[i].name, value );
        SysFreeString( value );
    }
    return ret;
}

static BSTR get_object_text( const struct view *view, UINT index )
{
    static const WCHAR fmtW[] =
        {'\n','i','n','s','t','a','n','c','e',' ','o','f',' ','%','s','\n','{','%','s','\n','}',';',0};
    UINT len, len_body, row = view->result[index];
    BSTR ret, body;

    len = sizeof(fmtW) / sizeof(fmtW[0]);
    len += strlenW( view->table->name );
    if (!(body = get_body_text( view->table, row, &len_body ))) return NULL;
    len += len_body;

    if (!(ret = SysAllocStringLen( NULL, len ))) return NULL;
    sprintfW( ret, fmtW, view->table->name, body );
    SysFreeString( body );
    return ret;
}

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static HRESULT WINAPI class_object_GetObjectText(
    IWbemClassObject *iface,
    LONG lFlags,
    BSTR *pstrObjectText )
{
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    struct class_object *co = impl_from_IWbemClassObject( iface );
    struct enum_class_object *ec = impl_from_IEnumWbemClassObject( co->iter );
    struct view *view = ec->query->view;
    BSTR text;

    TRACE("%p, %08x, %p\n", iface, lFlags, pstrObjectText);

    if (lFlags) FIXME("flags %08x not implemented\n", lFlags);

    if (!(text = get_object_text( view, co->index ))) return E_OUTOFMEMORY;
    *pstrObjectText = text;
    return S_OK;
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}

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 )
{
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    struct class_object *co = impl_from_IWbemClassObject( iface );
    struct enum_class_object *ec = impl_from_IEnumWbemClassObject( co->iter );
    struct view *view = ec->query->view;
    struct record *record;

    TRACE("%p, %08x, %p\n", iface, lFlags, ppNewInstance);

    if (!(record = create_record( view->table->columns, view->table->num_cols )))
        return E_OUTOFMEMORY;

    return create_class_object( co->name, NULL, 0, record, ppNewInstance );
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}

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;
}

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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;
    }
}

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static HRESULT create_signature_columns_and_data( IEnumWbemClassObject *iter, UINT *num_cols,
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                                           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;
}

698
static HRESULT create_signature_table( IEnumWbemClassObject *iter, WCHAR *name )
699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718
{
    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;
}

719
static WCHAR *build_signature_table_name( const WCHAR *class, const WCHAR *method, enum param_direction dir )
720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770
{
    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 );
}

771 772 773 774 775 776 777
static HRESULT WINAPI class_object_GetMethod(
    IWbemClassObject *iface,
    LPCWSTR wszName,
    LONG lFlags,
    IWbemClassObject **ppInSignature,
    IWbemClassObject **ppOutSignature )
{
778 779 780 781 782
    struct class_object *co = impl_from_IWbemClassObject( iface );
    HRESULT hr;

    TRACE("%p, %s, %08x, %p, %p\n", iface, debugstr_w(wszName), lFlags, ppInSignature, ppOutSignature);

783
    hr = create_signature( co->name, wszName, PARAM_IN, ppInSignature );
784 785
    if (hr != S_OK) return hr;

786
    hr = create_signature( co->name, wszName, PARAM_OUT, ppOutSignature );
787 788
    if (hr != S_OK) IWbemClassObject_Release( *ppInSignature );
    return hr;
789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813
}

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)
{
814 815 816 817 818 819 820 821 822 823 824 825 826
    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;
827 828 829 830 831 832 833 834 835
}

static HRESULT WINAPI class_object_NextMethod(
    IWbemClassObject *iface,
    LONG lFlags,
    BSTR *pstrName,
    IWbemClassObject **ppInSignature,
    IWbemClassObject **ppOutSignature)
{
836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859
    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;
860 861 862 863 864
}

static HRESULT WINAPI class_object_EndMethodEnumeration(
    IWbemClassObject *iface )
{
865 866 867 868 869 870
    struct class_object *co = impl_from_IWbemClassObject( iface );

    TRACE("%p\n", iface);

    co->index_method = 0;
    return S_OK;
871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921
}

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
};

922 923
HRESULT create_class_object( const WCHAR *name, IEnumWbemClassObject *iter, UINT index,
                             struct record *record, IWbemClassObject **obj )
924 925 926
{
    struct class_object *co;

927
    TRACE("%s, %p\n", debugstr_w(name), obj);
928 929 930 931 932

    co = heap_alloc( sizeof(*co) );
    if (!co) return E_OUTOFMEMORY;

    co->IWbemClassObject_iface.lpVtbl = &class_object_vtbl;
933
    co->refs  = 1;
934 935 936 937 938 939
    co->name  = heap_strdupW( name );
    if (!co->name)
    {
        heap_free( co );
        return E_OUTOFMEMORY;
    }
940 941 942
    co->iter           = iter;
    co->index          = index;
    co->index_method   = 0;
943
    co->index_property = 0;
944
    co->record         = record;
945
    if (iter) IEnumWbemClassObject_AddRef( iter );
946

947
    *obj = &co->IWbemClassObject_iface;
948

949
    TRACE("returning iface %p\n", *obj);
950 951
    return S_OK;
}