dlls/wbemprox/class.c

   1 /*
   2  * Copyright 2012 Hans Leidekker for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #define COBJMACROS
  20
  21 #include "config.h"
  22 #include <stdarg.h>
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "objbase.h"
  27 #include "wbemcli.h"
  28
  29 #include "wine/debug.h"
  30 #include "wbemprox_private.h"
  31
  32 WINE_DEFAULT_DEBUG_CHANNEL(wbemprox);
  33
  34 struct enum_class_object
  35 {
  36     IEnumWbemClassObject IEnumWbemClassObject_iface;
  37     LONG refs;
  38     struct query *query;
  39     UINT index;
  40 };
  41
  42 static inline struct enum_class_object *impl_from_IEnumWbemClassObject(
  43     IEnumWbemClassObject *iface )
  44 {
  45     return CONTAINING_RECORD(iface, struct enum_class_object, IEnumWbemClassObject_iface);
  46 }
  47
  48 static ULONG WINAPI enum_class_object_AddRef(
  49     IEnumWbemClassObject *iface )
  50 {
  51     struct enum_class_object *ec = impl_from_IEnumWbemClassObject( iface );
  52     return InterlockedIncrement( &ec->refs );
  53 }
  54
  55 static ULONG WINAPI enum_class_object_Release(
  56     IEnumWbemClassObject *iface )
  57 {
  58     struct enum_class_object *ec = impl_from_IEnumWbemClassObject( iface );
  59     LONG refs = InterlockedDecrement( &ec->refs );
  60     if (!refs)
  61     {
  62         TRACE("destroying %p\n", ec);
  63         release_query( ec->query );
  64         heap_free( ec );
  65     }
  66     return refs;
  67 }
  68
  69 static HRESULT WINAPI enum_class_object_QueryInterface(
  70     IEnumWbemClassObject *iface,
  71     REFIID riid,
  72     void **ppvObject )
  73 {
  74     struct enum_class_object *ec = impl_from_IEnumWbemClassObject( iface );
  75
  76     TRACE("%p, %s, %p\n", ec, debugstr_guid( riid ), ppvObject );
  77
  78     if ( IsEqualGUID( riid, &IID_IEnumWbemClassObject ) ||
  79          IsEqualGUID( riid, &IID_IUnknown ) )
  80     {
  81         *ppvObject = ec;
  82     }
  83     else if ( IsEqualGUID( riid, &IID_IClientSecurity ) )
  84     {
  85         *ppvObject = &client_security;
  86         return S_OK;
  87     }
  88     else
  89     {
  90         FIXME("interface %s not implemented\n", debugstr_guid(riid));
  91         return E_NOINTERFACE;
  92     }
  93     IEnumWbemClassObject_AddRef( iface );
  94     return S_OK;
  95 }
  96
  97 static HRESULT WINAPI enum_class_object_Reset(
  98     IEnumWbemClassObject *iface )
  99 {
 100     struct enum_class_object *ec = impl_from_IEnumWbemClassObject( iface );
 101
 102     TRACE("%p\n", iface);
 103
 104     ec->index = 0;
 105     return WBEM_S_NO_ERROR;
 106 }
 107
 108 static HRESULT WINAPI enum_class_object_Next(
 109     IEnumWbemClassObject *iface,
 110     LONG lTimeout,
 111     ULONG uCount,
 112     IWbemClassObject **apObjects,
 113     ULONG *puReturned )
 114 {
 115     struct enum_class_object *ec = impl_from_IEnumWbemClassObject( iface );
 116     struct view *view = ec->query->view;
 117     HRESULT hr;
 118
 119     TRACE("%p, %d, %u, %p, %p\n", iface, lTimeout, uCount, apObjects, puReturned);
 120
 121     if (!uCount) return WBEM_S_FALSE;
 122     if (!apObjects || !puReturned) return WBEM_E_INVALID_PARAMETER;
 123     if (lTimeout != WBEM_INFINITE) FIXME("timeout not supported\n");
 124
 125     *puReturned = 0;
 126     if (ec->index + uCount > view->count) return WBEM_S_FALSE;
 127
 128     hr = create_class_object( view->table->name, iface, ec->index, apObjects );
 129     if (hr != S_OK) return hr;
 130
 131     ec->index++;
 132     *puReturned = 1;
 133     if (ec->index == view->count) return WBEM_S_FALSE;
 134     if (uCount > 1) return WBEM_S_TIMEDOUT;
 135     return WBEM_S_NO_ERROR;
 136 }
 137
 138 static HRESULT WINAPI enum_class_object_NextAsync(
 139     IEnumWbemClassObject *iface,
 140     ULONG uCount,
 141     IWbemObjectSink *pSink )
 142 {
 143     FIXME("%p, %u, %p\n", iface, uCount, pSink);
 144     return E_NOTIMPL;
 145 }
 146
 147 static HRESULT WINAPI enum_class_object_Clone(
 148     IEnumWbemClassObject *iface,
 149     IEnumWbemClassObject **ppEnum )
 150 {
 151     struct enum_class_object *ec = impl_from_IEnumWbemClassObject( iface );
 152
 153     TRACE("%p, %p\n", iface, ppEnum);
 154
 155     return EnumWbemClassObject_create( NULL, ec->query, (void **)ppEnum );
 156 }
 157
 158 static HRESULT WINAPI enum_class_object_Skip(
 159     IEnumWbemClassObject *iface,
 160     LONG lTimeout,
 161     ULONG nCount )
 162 {
 163     struct enum_class_object *ec = impl_from_IEnumWbemClassObject( iface );
 164     struct view *view = ec->query->view;
 165
 166     TRACE("%p, %d, %u\n", iface, lTimeout, nCount);
 167
 168     if (lTimeout != WBEM_INFINITE) FIXME("timeout not supported\n");
 169
 170     if (!view->count) return WBEM_S_FALSE;
 171
 172     if (nCount > view->count - ec->index)
 173     {
 174         ec->index = view->count - 1;
 175         return WBEM_S_FALSE;
 176     }
 177     ec->index += nCount;
 178     return WBEM_S_NO_ERROR;
 179 }
 180
 181 static const IEnumWbemClassObjectVtbl enum_class_object_vtbl =
 182 {
 183     enum_class_object_QueryInterface,
 184     enum_class_object_AddRef,
 185     enum_class_object_Release,
 186     enum_class_object_Reset,
 187     enum_class_object_Next,
 188     enum_class_object_NextAsync,
 189     enum_class_object_Clone,
 190     enum_class_object_Skip
 191 };
 192
 193 HRESULT EnumWbemClassObject_create(
 194     IUnknown *pUnkOuter, struct query *query, LPVOID *ppObj )
 195 {
 196     struct enum_class_object *ec;
 197
 198     TRACE("%p, %p\n", pUnkOuter, ppObj);
 199
 200     ec = heap_alloc( sizeof(*ec) );
 201     if (!ec) return E_OUTOFMEMORY;
 202
 203     ec->IEnumWbemClassObject_iface.lpVtbl = &enum_class_object_vtbl;
 204     ec->refs  = 1;
 205     ec->query = query;
 206     addref_query( query );
 207     ec->index = 0;
 208
 209     *ppObj = &ec->IEnumWbemClassObject_iface;
 210
 211     TRACE("returning iface %p\n", *ppObj);
 212     return S_OK;
 213 }
 214
 215 struct class_object
 216 {
 217     IWbemClassObject IWbemClassObject_iface;
 218     LONG refs;
 219     WCHAR *name;
 220     IEnumWbemClassObject *iter;
 221     UINT index;
 222     UINT index_method;
 223     UINT index_property;
 224 };
 225
 226 static inline struct class_object *impl_from_IWbemClassObject(
 227     IWbemClassObject *iface )
 228 {
 229     return CONTAINING_RECORD(iface, struct class_object, IWbemClassObject_iface);
 230 }
 231
 232 static ULONG WINAPI class_object_AddRef(
 233     IWbemClassObject *iface )
 234 {
 235     struct class_object *co = impl_from_IWbemClassObject( iface );
 236     return InterlockedIncrement( &co->refs );
 237 }
 238
 239 static ULONG WINAPI class_object_Release(
 240     IWbemClassObject *iface )
 241 {
 242     struct class_object *co = impl_from_IWbemClassObject( iface );
 243     LONG refs = InterlockedDecrement( &co->refs );
 244     if (!refs)
 245     {
 246         TRACE("destroying %p\n", co);
 247         if (co->iter) IEnumWbemClassObject_Release( co->iter );
 248         heap_free( co->name );
 249         heap_free( co );
 250     }
 251     return refs;
 252 }
 253
 254 static HRESULT WINAPI class_object_QueryInterface(
 255     IWbemClassObject *iface,
 256     REFIID riid,
 257     void **ppvObject )
 258 {
 259     struct class_object *co = impl_from_IWbemClassObject( iface );
 260
 261     TRACE("%p, %s, %p\n", co, debugstr_guid( riid ), ppvObject );
 262
 263     if ( IsEqualGUID( riid, &IID_IWbemClassObject ) ||
 264          IsEqualGUID( riid, &IID_IUnknown ) )
 265     {
 266         *ppvObject = co;
 267     }
 268     else
 269     {
 270         FIXME("interface %s not implemented\n", debugstr_guid(riid));
 271         return E_NOINTERFACE;
 272     }
 273     IWbemClassObject_AddRef( iface );
 274     return S_OK;
 275 }
 276
 277 static HRESULT WINAPI class_object_GetQualifierSet(
 278     IWbemClassObject *iface,
 279     IWbemQualifierSet **ppQualSet )
 280 {
 281     FIXME("%p, %p\n", iface, ppQualSet);
 282     return E_NOTIMPL;
 283 }
 284
 285 static HRESULT WINAPI class_object_Get(
 286     IWbemClassObject *iface,
 287     LPCWSTR wszName,
 288     LONG lFlags,
 289     VARIANT *pVal,
 290     CIMTYPE *pType,
 291     LONG *plFlavor )
 292 {
 293     struct class_object *co = impl_from_IWbemClassObject( iface );
 294     struct enum_class_object *ec = impl_from_IEnumWbemClassObject( co->iter );
 295     struct view *view = ec->query->view;
 296
 297     TRACE("%p, %s, %08x, %p, %p, %p\n", iface, debugstr_w(wszName), lFlags, pVal, pType, plFlavor);
 298
 299     return get_propval( view, co->index, wszName, pVal, pType, plFlavor );
 300 }
 301
 302 static HRESULT WINAPI class_object_Put(
 303     IWbemClassObject *iface,
 304     LPCWSTR wszName,
 305     LONG lFlags,
 306     VARIANT *pVal,
 307     CIMTYPE Type )
 308 {
 309     struct class_object *co = impl_from_IWbemClassObject( iface );
 310     struct enum_class_object *ec = impl_from_IEnumWbemClassObject( co->iter );
 311     struct view *view = ec->query->view;
 312
 313     TRACE("%p, %s, %08x, %p, %u\n", iface, debugstr_w(wszName), lFlags, pVal, Type);
 314
 315     return put_propval( view, co->index, wszName, pVal, Type );
 316 }
 317
 318 static HRESULT WINAPI class_object_Delete(
 319     IWbemClassObject *iface,
 320     LPCWSTR wszName )
 321 {
 322     FIXME("%p, %s\n", iface, debugstr_w(wszName));
 323     return E_NOTIMPL;
 324 }
 325
 326 static HRESULT WINAPI class_object_GetNames(
 327     IWbemClassObject *iface,
 328     LPCWSTR wszQualifierName,
 329     LONG lFlags,
 330     VARIANT *pQualifierVal,
 331     SAFEARRAY **pNames )
 332 {
 333     struct class_object *co = impl_from_IWbemClassObject( iface );
 334     struct enum_class_object *ec = impl_from_IEnumWbemClassObject( co->iter );
 335
 336     TRACE("%p, %s, %08x, %p, %p\n", iface, debugstr_w(wszQualifierName), lFlags, pQualifierVal, pNames);
 337
 338     if (wszQualifierName || pQualifierVal)
 339     {
 340         FIXME("qualifier not supported\n");
 341         return E_NOTIMPL;
 342     }
 343     if (lFlags != WBEM_FLAG_ALWAYS)
 344     {
 345         FIXME("flags %08x not supported\n", lFlags);
 346         return E_NOTIMPL;
 347     }
 348     return get_properties( ec->query->view, pNames );
 349 }
 350
 351 static HRESULT WINAPI class_object_BeginEnumeration(
 352     IWbemClassObject *iface,
 353     LONG lEnumFlags )
 354 {
 355     struct class_object *co = impl_from_IWbemClassObject( iface );
 356
 357     TRACE("%p, %08x\n", iface, lEnumFlags);
 358
 359     if (lEnumFlags) FIXME("flags 0x%08x not supported\n", lEnumFlags);
 360
 361     co->index_property = 0;
 362     return S_OK;
 363 }
 364
 365 static HRESULT WINAPI class_object_Next(
 366     IWbemClassObject *iface,
 367     LONG lFlags,
 368     BSTR *strName,
 369     VARIANT *pVal,
 370     CIMTYPE *pType,
 371     LONG *plFlavor )
 372 {
 373     struct class_object *co = impl_from_IWbemClassObject( iface );
 374     struct enum_class_object *ec = impl_from_IEnumWbemClassObject( co->iter );
 375     struct view *view = ec->query->view;
 376     const WCHAR *property;
 377     HRESULT hr;
 378
 379     TRACE("%p, %08x, %p, %p, %p, %p\n", iface, lFlags, strName, pVal, pType, plFlavor);
 380
 381     if (!(property = get_property_name( co->name, co->index_property ))) return WBEM_S_NO_MORE_DATA;
 382     if (!(*strName = SysAllocString( property ))) return E_OUTOFMEMORY;
 383     if ((hr = get_propval( view, co->index, property, pVal, pType, plFlavor ) != S_OK))
 384     {
 385         SysFreeString( *strName );
 386         return hr;
 387     }
 388     co->index_property++;
 389     return S_OK;
 390 }
 391
 392 static HRESULT WINAPI class_object_EndEnumeration(
 393     IWbemClassObject *iface )
 394 {
 395     struct class_object *co = impl_from_IWbemClassObject( iface );
 396
 397     TRACE("%p\n", iface);
 398
 399     co->index_property = 0;
 400     return S_OK;
 401 }
 402
 403 static HRESULT WINAPI class_object_GetPropertyQualifierSet(
 404     IWbemClassObject *iface,
 405     LPCWSTR wszProperty,
 406     IWbemQualifierSet **ppQualSet )
 407 {
 408     FIXME("%p, %s, %p\n", iface, debugstr_w(wszProperty), ppQualSet);
 409     return E_NOTIMPL;
 410 }
 411
 412 static HRESULT WINAPI class_object_Clone(
 413     IWbemClassObject *iface,
 414     IWbemClassObject **ppCopy )
 415 {
 416     FIXME("%p, %p\n", iface, ppCopy);
 417     return E_NOTIMPL;
 418 }
 419
 420 static HRESULT WINAPI class_object_GetObjectText(
 421     IWbemClassObject *iface,
 422     LONG lFlags,
 423     BSTR *pstrObjectText )
 424 {
 425     FIXME("%p, %08x, %p\n", iface, lFlags, pstrObjectText);
 426     return E_NOTIMPL;
 427 }
 428
 429 static HRESULT WINAPI class_object_SpawnDerivedClass(
 430     IWbemClassObject *iface,
 431     LONG lFlags,
 432     IWbemClassObject **ppNewClass )
 433 {
 434     FIXME("%p, %08x, %p\n", iface, lFlags, ppNewClass);
 435     return E_NOTIMPL;
 436 }
 437
 438 static HRESULT WINAPI class_object_SpawnInstance(
 439     IWbemClassObject *iface,
 440     LONG lFlags,
 441     IWbemClassObject **ppNewInstance )
 442 {
 443     FIXME("%p, %08x, %p\n", iface, lFlags, ppNewInstance);
 444     return E_NOTIMPL;
 445 }
 446
 447 static HRESULT WINAPI class_object_CompareTo(
 448     IWbemClassObject *iface,
 449     LONG lFlags,
 450     IWbemClassObject *pCompareTo )
 451 {
 452     FIXME("%p, %08x, %p\n", iface, lFlags, pCompareTo);
 453     return E_NOTIMPL;
 454 }
 455
 456 static HRESULT WINAPI class_object_GetPropertyOrigin(
 457     IWbemClassObject *iface,
 458     LPCWSTR wszName,
 459     BSTR *pstrClassName )
 460 {
 461     FIXME("%p, %s, %p\n", iface, debugstr_w(wszName), pstrClassName);
 462     return E_NOTIMPL;
 463 }
 464
 465 static HRESULT WINAPI class_object_InheritsFrom(
 466     IWbemClassObject *iface,
 467     LPCWSTR strAncestor )
 468 {
 469     FIXME("%p, %s\n", iface, debugstr_w(strAncestor));
 470     return E_NOTIMPL;
 471 }
 472
 473 static UINT count_instances( IEnumWbemClassObject *iter )
 474 {
 475     UINT count = 0;
 476     while (!IEnumWbemClassObject_Skip( iter, WBEM_INFINITE, 1 )) count++;
 477     IEnumWbemClassObject_Reset( iter );
 478     return count;
 479 }
 480
 481 static void set_default_value( CIMTYPE type, UINT val, BYTE *ptr )
 482 {
 483     switch (type)
 484     {
 485     case CIM_SINT16:
 486         *(INT16 *)ptr = val;
 487         break;
 488     case CIM_UINT16:
 489         *(UINT16 *)ptr = val;
 490         break;
 491     case CIM_SINT32:
 492         *(INT32 *)ptr = val;
 493         break;
 494     case CIM_UINT32:
 495         *(UINT32 *)ptr = val;
 496         break;
 497     default:
 498         FIXME("unhandled type %u\n", type);
 499         break;
 500     }
 501 }
 502
 503 static HRESULT create_signature_columns_and_data( IEnumWbemClassObject *iter, UINT *num_cols,
 504                                            struct column **cols, BYTE **data )
 505 {
 506     static const WCHAR parameterW[] = {'P','a','r','a','m','e','t','e','r',0};
 507     static const WCHAR typeW[] = {'T','y','p','e',0};
 508     static const WCHAR defaultvalueW[] = {'D','e','f','a','u','l','t','V','a','l','u','e',0};
 509     struct column *columns;
 510     BYTE *row;
 511     IWbemClassObject *param;
 512     VARIANT val;
 513     HRESULT hr = E_OUTOFMEMORY;
 514     UINT offset = 0;
 515     ULONG count;
 516     int i = 0;
 517
 518     count = count_instances( iter );
 519     if (!(columns = heap_alloc( count * sizeof(struct column) ))) return E_OUTOFMEMORY;
 520     if (!(row = heap_alloc_zero( count * sizeof(LONGLONG) ))) goto error;
 521
 522     for (;;)
 523     {
 524         IEnumWbemClassObject_Next( iter, WBEM_INFINITE, 1, &param, &count );
 525         if (!count) break;
 526
 527         hr = IWbemClassObject_Get( param, parameterW, 0, &val, NULL, NULL );
 528         if (hr != S_OK) goto error;
 529         columns[i].name = heap_strdupW( V_BSTR( &val ) );
 530         VariantClear( &val );
 531
 532         hr = IWbemClassObject_Get( param, typeW, 0, &val, NULL, NULL );
 533         if (hr != S_OK) goto error;
 534         columns[i].type    = V_UI4( &val );
 535         columns[i].vartype = 0;
 536
 537         hr = IWbemClassObject_Get( param, defaultvalueW, 0, &val, NULL, NULL );
 538         if (hr != S_OK) goto error;
 539         if (V_UI4( &val )) set_default_value( columns[i].type, V_UI4( &val ), row + offset );
 540         offset += get_type_size( columns[i].type );
 541
 542         IWbemClassObject_Release( param );
 543         i++;
 544     }
 545     *num_cols = i;
 546     *cols = columns;
 547     *data = row;
 548     return S_OK;
 549
 550 error:
 551     for (; i >= 0; i--) heap_free( (WCHAR *)columns[i].name );
 552     heap_free( columns );
 553     heap_free( row );
 554     return hr;
 555 }
 556
 557 static HRESULT create_signature_table( IEnumWbemClassObject *iter, WCHAR *name )
 558 {
 559     HRESULT hr;
 560     struct table *table;
 561     struct column *columns;
 562     UINT num_cols;
 563     BYTE *row;
 564
 565     hr = create_signature_columns_and_data( iter, &num_cols, &columns, &row );
 566     if (hr != S_OK) return hr;
 567
 568     if (!(table = create_table( name, num_cols, columns, 1, row, NULL )))
 569     {
 570         free_columns( columns, num_cols );
 571         heap_free( row );
 572         return E_OUTOFMEMORY;
 573     }
 574     if (!add_table( table )) free_table( table ); /* already exists */
 575     return S_OK;
 576 }
 577
 578 static WCHAR *build_signature_table_name( const WCHAR *class, const WCHAR *method, enum param_direction dir )
 579 {
 580     static const WCHAR fmtW[] = {'_','_','%','s','_','%','s','_','%','s',0};
 581     static const WCHAR outW[] = {'O','U','T',0};
 582     static const WCHAR inW[] = {'I','N',0};
 583     UINT len = SIZEOF(fmtW) + SIZEOF(outW) + strlenW( class ) + strlenW( method );
 584     WCHAR *ret;
 585
 586     if (!(ret = heap_alloc( len * sizeof(WCHAR) ))) return NULL;
 587     sprintfW( ret, fmtW, class, method, dir == PARAM_IN ? inW : outW );
 588     return struprW( ret );
 589 }
 590
 591 static HRESULT create_signature( const WCHAR *class, const WCHAR *method, enum param_direction dir,
 592                                  IWbemClassObject **sig )
 593 {
 594     static const WCHAR selectW[] =
 595         {'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 596          '_','_','P','A','R','A','M','E','T','E','R','S',' ','W','H','E','R','E',' ',
 597          'C','l','a','s','s','=','\'','%','s','\'',' ','A','N','D',' ',
 598          'M','e','t','h','o','d','=','\'','%','s','\'',' ','A','N','D',' ',
 599          'D','i','r','e','c','t','i','o','n','%','s',0};
 600     static const WCHAR geW[] = {'>','=','0',0};
 601     static const WCHAR leW[] = {'<','=','0',0};
 602     UINT len = SIZEOF(selectW) + SIZEOF(geW);
 603     IEnumWbemClassObject *iter;
 604     WCHAR *query, *name;
 605     HRESULT hr;
 606
 607     len += strlenW( class ) + strlenW( method );
 608     if (!(query = heap_alloc( len * sizeof(WCHAR) ))) return E_OUTOFMEMORY;
 609     sprintfW( query, selectW, class, method, dir >= 0 ? geW : leW );
 610
 611     hr = exec_query( query, &iter );
 612     heap_free( query );
 613     if (hr != S_OK) return hr;
 614
 615     if (!(name = build_signature_table_name( class, method, dir )))
 616     {
 617         IEnumWbemClassObject_Release( iter );
 618         return E_OUTOFMEMORY;
 619     }
 620     hr = create_signature_table( iter, name );
 621     IEnumWbemClassObject_Release( iter );
 622     if (hr != S_OK)
 623     {
 624         heap_free( name );
 625         return hr;
 626     }
 627     return get_object( name, sig );
 628 }
 629
 630 static HRESULT WINAPI class_object_GetMethod(
 631     IWbemClassObject *iface,
 632     LPCWSTR wszName,
 633     LONG lFlags,
 634     IWbemClassObject **ppInSignature,
 635     IWbemClassObject **ppOutSignature )
 636 {
 637     struct class_object *co = impl_from_IWbemClassObject( iface );
 638     HRESULT hr;
 639
 640     TRACE("%p, %s, %08x, %p, %p\n", iface, debugstr_w(wszName), lFlags, ppInSignature, ppOutSignature);
 641
 642     hr = create_signature( co->name, wszName, PARAM_IN, ppInSignature );
 643     if (hr != S_OK) return hr;
 644
 645     hr = create_signature( co->name, wszName, PARAM_OUT, ppOutSignature );
 646     if (hr != S_OK) IWbemClassObject_Release( *ppInSignature );
 647     return hr;
 648 }
 649
 650 static HRESULT WINAPI class_object_PutMethod(
 651     IWbemClassObject *iface,
 652     LPCWSTR wszName,
 653     LONG lFlags,
 654     IWbemClassObject *pInSignature,
 655     IWbemClassObject *pOutSignature )
 656 {
 657     FIXME("%p, %s, %08x, %p, %p\n", iface, debugstr_w(wszName), lFlags, pInSignature, pOutSignature);
 658     return E_NOTIMPL;
 659 }
 660
 661 static HRESULT WINAPI class_object_DeleteMethod(
 662     IWbemClassObject *iface,
 663     LPCWSTR wszName )
 664 {
 665     FIXME("%p, %s\n", iface, debugstr_w(wszName));
 666     return E_NOTIMPL;
 667 }
 668
 669 static HRESULT WINAPI class_object_BeginMethodEnumeration(
 670     IWbemClassObject *iface,
 671     LONG lEnumFlags)
 672 {
 673     struct class_object *co = impl_from_IWbemClassObject( iface );
 674
 675     TRACE("%p, %08x\n", iface, lEnumFlags);
 676
 677     if (lEnumFlags) FIXME("flags 0x%08x not supported\n", lEnumFlags);
 678
 679     if (co->iter)
 680     {
 681         WARN("not allowed on instance\n");
 682         return WBEM_E_ILLEGAL_OPERATION;
 683     }
 684     co->index_method = 0;
 685     return S_OK;
 686 }
 687
 688 static HRESULT WINAPI class_object_NextMethod(
 689     IWbemClassObject *iface,
 690     LONG lFlags,
 691     BSTR *pstrName,
 692     IWbemClassObject **ppInSignature,
 693     IWbemClassObject **ppOutSignature)
 694 {
 695     struct class_object *co = impl_from_IWbemClassObject( iface );
 696     const WCHAR *method;
 697     HRESULT hr;
 698
 699     TRACE("%p, %08x, %p, %p, %p\n", iface, lFlags, pstrName, ppInSignature, ppOutSignature);
 700
 701     if (!(method = get_method_name( co->name, co->index_method ))) return WBEM_S_NO_MORE_DATA;
 702
 703     hr = create_signature( co->name, method, PARAM_IN, ppInSignature );
 704     if (hr != S_OK) return hr;
 705
 706     hr = create_signature( co->name, method, PARAM_OUT, ppOutSignature );
 707     if (hr != S_OK) IWbemClassObject_Release( *ppInSignature );
 708     else
 709     {
 710         if (!(*pstrName = SysAllocString( method )))
 711         {
 712             IWbemClassObject_Release( *ppInSignature );
 713             IWbemClassObject_Release( *ppOutSignature );
 714             return E_OUTOFMEMORY;
 715         }
 716         co->index_method++;
 717     }
 718     return hr;
 719 }
 720
 721 static HRESULT WINAPI class_object_EndMethodEnumeration(
 722     IWbemClassObject *iface )
 723 {
 724     struct class_object *co = impl_from_IWbemClassObject( iface );
 725
 726     TRACE("%p\n", iface);
 727
 728     co->index_method = 0;
 729     return S_OK;
 730 }
 731
 732 static HRESULT WINAPI class_object_GetMethodQualifierSet(
 733     IWbemClassObject *iface,
 734     LPCWSTR wszMethod,
 735     IWbemQualifierSet **ppQualSet)
 736 {
 737     FIXME("%p, %s, %p\n", iface, debugstr_w(wszMethod), ppQualSet);
 738     return E_NOTIMPL;
 739 }
 740
 741 static HRESULT WINAPI class_object_GetMethodOrigin(
 742     IWbemClassObject *iface,
 743     LPCWSTR wszMethodName,
 744     BSTR *pstrClassName)
 745 {
 746     FIXME("%p, %s, %p\n", iface, debugstr_w(wszMethodName), pstrClassName);
 747     return E_NOTIMPL;
 748 }
 749
 750 static const IWbemClassObjectVtbl class_object_vtbl =
 751 {
 752     class_object_QueryInterface,
 753     class_object_AddRef,
 754     class_object_Release,
 755     class_object_GetQualifierSet,
 756     class_object_Get,
 757     class_object_Put,
 758     class_object_Delete,
 759     class_object_GetNames,
 760     class_object_BeginEnumeration,
 761     class_object_Next,
 762     class_object_EndEnumeration,
 763     class_object_GetPropertyQualifierSet,
 764     class_object_Clone,
 765     class_object_GetObjectText,
 766     class_object_SpawnDerivedClass,
 767     class_object_SpawnInstance,
 768     class_object_CompareTo,
 769     class_object_GetPropertyOrigin,
 770     class_object_InheritsFrom,
 771     class_object_GetMethod,
 772     class_object_PutMethod,
 773     class_object_DeleteMethod,
 774     class_object_BeginMethodEnumeration,
 775     class_object_NextMethod,
 776     class_object_EndMethodEnumeration,
 777     class_object_GetMethodQualifierSet,
 778     class_object_GetMethodOrigin
 779 };
 780
 781 HRESULT create_class_object(
 782     const WCHAR *name, IEnumWbemClassObject *iter, UINT index, IWbemClassObject **obj )
 783 {
 784     struct class_object *co;
 785
 786     TRACE("%s, %p\n", debugstr_w(name), obj);
 787
 788     co = heap_alloc( sizeof(*co) );
 789     if (!co) return E_OUTOFMEMORY;
 790
 791     co->IWbemClassObject_iface.lpVtbl = &class_object_vtbl;
 792     co->refs  = 1;
 793     co->name  = heap_strdupW( name );
 794     if (!co->name)
 795     {
 796         heap_free( co );
 797         return E_OUTOFMEMORY;
 798     }
 799     co->iter           = iter;
 800     co->index          = index;
 801     co->index_method   = 0;
 802     co->index_property = 0;
 803     if (iter) IEnumWbemClassObject_AddRef( iter );
 804
 805     *obj = &co->IWbemClassObject_iface;
 806
 807     TRACE("returning iface %p\n", *obj);
 808     return S_OK;
 809 }