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, NULL, 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 static struct record *create_record( const struct column *columns, UINT num_cols )
 216 {
 217     UINT i;
 218     struct record *record;
 219
 220     if (!(record = heap_alloc( sizeof(struct record) ))) return NULL;
 221     if (!(record->fields = heap_alloc( num_cols * sizeof(struct field) )))
 222     {
 223         heap_free( record );
 224         return NULL;
 225     }
 226     for (i = 0; i < num_cols; i++)
 227     {
 228         record->fields[i].type    = columns[i].type;
 229         record->fields[i].vartype = columns[i].vartype;
 230         record->fields[i].u.ival  = 0;
 231     }
 232     record->count = num_cols;
 233     return record;
 234 }
 235
 236 void destroy_array( struct array *array, CIMTYPE type )
 237 {
 238     UINT i, size;
 239
 240     if (!array) return;
 241     if (type == CIM_STRING || type == CIM_DATETIME)
 242     {
 243         size = get_type_size( type );
 244         for (i = 0; i < array->count; i++) heap_free( *(WCHAR **)((char *)array->ptr + i * size) );
 245     }
 246     heap_free( array->ptr );
 247     heap_free( array );
 248 }
 249
 250 static void destroy_record( struct record *record )
 251 {
 252     UINT i;
 253
 254     if (!record) return;
 255     for (i = 0; i < record->count; i++)
 256     {
 257         if (record->fields[i].type == CIM_STRING || record->fields[i].type == CIM_DATETIME)
 258             heap_free( record->fields[i].u.sval );
 259         else if (record->fields[i].type & CIM_FLAG_ARRAY)
 260             destroy_array( record->fields[i].u.aval, record->fields[i].type & CIM_TYPE_MASK );
 261     }
 262     heap_free( record->fields );
 263     heap_free( record );
 264 }
 265
 266 struct class_object
 267 {
 268     IWbemClassObject IWbemClassObject_iface;
 269     LONG refs;
 270     WCHAR *name;
 271     IEnumWbemClassObject *iter;
 272     UINT index;
 273     UINT index_method;
 274     UINT index_property;
 275     struct record *record; /* uncommitted instance */
 276 };
 277
 278 static inline struct class_object *impl_from_IWbemClassObject(
 279     IWbemClassObject *iface )
 280 {
 281     return CONTAINING_RECORD(iface, struct class_object, IWbemClassObject_iface);
 282 }
 283
 284 static ULONG WINAPI class_object_AddRef(
 285     IWbemClassObject *iface )
 286 {
 287     struct class_object *co = impl_from_IWbemClassObject( iface );
 288     return InterlockedIncrement( &co->refs );
 289 }
 290
 291 static ULONG WINAPI class_object_Release(
 292     IWbemClassObject *iface )
 293 {
 294     struct class_object *co = impl_from_IWbemClassObject( iface );
 295     LONG refs = InterlockedDecrement( &co->refs );
 296     if (!refs)
 297     {
 298         TRACE("destroying %p\n", co);
 299         if (co->iter) IEnumWbemClassObject_Release( co->iter );
 300         destroy_record( co->record );
 301         heap_free( co->name );
 302         heap_free( co );
 303     }
 304     return refs;
 305 }
 306
 307 static HRESULT WINAPI class_object_QueryInterface(
 308     IWbemClassObject *iface,
 309     REFIID riid,
 310     void **ppvObject )
 311 {
 312     struct class_object *co = impl_from_IWbemClassObject( iface );
 313
 314     TRACE("%p, %s, %p\n", co, debugstr_guid( riid ), ppvObject );
 315
 316     if ( IsEqualGUID( riid, &IID_IWbemClassObject ) ||
 317          IsEqualGUID( riid, &IID_IUnknown ) )
 318     {
 319         *ppvObject = co;
 320     }
 321     else if (IsEqualGUID( riid, &IID_IClientSecurity ))
 322     {
 323         *ppvObject = &client_security;
 324         return S_OK;
 325     }
 326     else
 327     {
 328         FIXME("interface %s not implemented\n", debugstr_guid(riid));
 329         return E_NOINTERFACE;
 330     }
 331     IWbemClassObject_AddRef( iface );
 332     return S_OK;
 333 }
 334
 335 static HRESULT WINAPI class_object_GetQualifierSet(
 336     IWbemClassObject *iface,
 337     IWbemQualifierSet **ppQualSet )
 338 {
 339     FIXME("%p, %p\n", iface, ppQualSet);
 340     return E_NOTIMPL;
 341 }
 342
 343 static HRESULT record_get_value( const struct record *record, UINT index, VARIANT *var, CIMTYPE *type )
 344 {
 345     VARTYPE vartype = record->fields[index].vartype;
 346
 347     if (type) *type = record->fields[index].type;
 348
 349     if (record->fields[index].type & CIM_FLAG_ARRAY)
 350     {
 351         V_VT( var ) = vartype ? vartype : to_vartype( record->fields[index].type & CIM_TYPE_MASK ) | VT_ARRAY;
 352         V_ARRAY( var ) = to_safearray( record->fields[index].u.aval, record->fields[index].type & CIM_TYPE_MASK );
 353         return S_OK;
 354     }
 355     switch (record->fields[index].type)
 356     {
 357     case CIM_STRING:
 358     case CIM_DATETIME:
 359         if (!vartype) vartype = VT_BSTR;
 360         V_BSTR( var ) = SysAllocString( record->fields[index].u.sval );
 361         break;
 362     case CIM_SINT32:
 363         if (!vartype) vartype = VT_I4;
 364         V_I4( var ) = record->fields[index].u.ival;
 365         break;
 366     case CIM_UINT32:
 367         if (!vartype) vartype = VT_UI4;
 368         V_UI4( var ) = record->fields[index].u.ival;
 369         break;
 370     default:
 371         FIXME("unhandled type %u\n", record->fields[index].type);
 372         return WBEM_E_INVALID_PARAMETER;
 373     }
 374     V_VT( var ) = vartype;
 375     return S_OK;
 376 }
 377
 378 static HRESULT WINAPI class_object_Get(
 379     IWbemClassObject *iface,
 380     LPCWSTR wszName,
 381     LONG lFlags,
 382     VARIANT *pVal,
 383     CIMTYPE *pType,
 384     LONG *plFlavor )
 385 {
 386     struct class_object *co = impl_from_IWbemClassObject( iface );
 387     struct enum_class_object *ec = impl_from_IEnumWbemClassObject( co->iter );
 388
 389     TRACE("%p, %s, %08x, %p, %p, %p\n", iface, debugstr_w(wszName), lFlags, pVal, pType, plFlavor);
 390
 391     if (co->record)
 392     {
 393         struct table *table = grab_table( co->name );
 394         UINT index;
 395         HRESULT hr;
 396
 397         if (!table) return WBEM_E_FAILED;
 398         hr = get_column_index( table, wszName, &index );
 399         release_table( table );
 400         if (hr != S_OK) return hr;
 401         return record_get_value( co->record, index, pVal, pType );
 402     }
 403     return get_propval( ec->query->view, co->index, wszName, pVal, pType, plFlavor );
 404 }
 405
 406 static HRESULT record_set_value( struct record *record, UINT index, VARIANT *var )
 407 {
 408     LONGLONG val;
 409     CIMTYPE type;
 410     HRESULT hr;
 411
 412     if ((hr = to_longlong( var, &val, &type )) != S_OK) return hr;
 413     if (type != record->fields[index].type) return WBEM_E_TYPE_MISMATCH;
 414
 415     if (type & CIM_FLAG_ARRAY)
 416     {
 417         record->fields[index].u.aval = (struct array *)(INT_PTR)val;
 418         return S_OK;
 419     }
 420     switch (type)
 421     {
 422     case CIM_STRING:
 423     case CIM_DATETIME:
 424         record->fields[index].u.sval = (WCHAR *)(INT_PTR)val;
 425         return S_OK;
 426     case CIM_SINT16:
 427     case CIM_UINT16:
 428     case CIM_SINT32:
 429     case CIM_UINT32:
 430         record->fields[index].u.ival = val;
 431         return S_OK;
 432     default:
 433         FIXME("unhandled type %u\n", type);
 434         break;
 435     }
 436     return WBEM_E_INVALID_PARAMETER;
 437 }
 438
 439 static HRESULT WINAPI class_object_Put(
 440     IWbemClassObject *iface,
 441     LPCWSTR wszName,
 442     LONG lFlags,
 443     VARIANT *pVal,
 444     CIMTYPE Type )
 445 {
 446     struct class_object *co = impl_from_IWbemClassObject( iface );
 447     struct enum_class_object *ec = impl_from_IEnumWbemClassObject( co->iter );
 448
 449     TRACE("%p, %s, %08x, %p, %u\n", iface, debugstr_w(wszName), lFlags, pVal, Type);
 450
 451     if (co->record)
 452     {
 453         struct table *table = grab_table( co->name );
 454         UINT index;
 455         HRESULT hr;
 456
 457         if (!table) return WBEM_E_FAILED;
 458         hr = get_column_index( table, wszName, &index );
 459         release_table( table );
 460         if (hr != S_OK) return hr;
 461         return record_set_value( co->record, index, pVal );
 462     }
 463     return put_propval( ec->query->view, co->index, wszName, pVal, Type );
 464 }
 465
 466 static HRESULT WINAPI class_object_Delete(
 467     IWbemClassObject *iface,
 468     LPCWSTR wszName )
 469 {
 470     FIXME("%p, %s\n", iface, debugstr_w(wszName));
 471     return E_NOTIMPL;
 472 }
 473
 474 static HRESULT WINAPI class_object_GetNames(
 475     IWbemClassObject *iface,
 476     LPCWSTR wszQualifierName,
 477     LONG lFlags,
 478     VARIANT *pQualifierVal,
 479     SAFEARRAY **pNames )
 480 {
 481     struct class_object *co = impl_from_IWbemClassObject( iface );
 482     struct enum_class_object *ec = impl_from_IEnumWbemClassObject( co->iter );
 483
 484     TRACE("%p, %s, %08x, %p, %p\n", iface, debugstr_w(wszQualifierName), lFlags, pQualifierVal, pNames);
 485
 486     if (wszQualifierName || pQualifierVal)
 487     {
 488         FIXME("qualifier not supported\n");
 489         return E_NOTIMPL;
 490     }
 491     if (lFlags != WBEM_FLAG_ALWAYS)
 492     {
 493         FIXME("flags %08x not supported\n", lFlags);
 494         return E_NOTIMPL;
 495     }
 496     return get_properties( ec->query->view, pNames );
 497 }
 498
 499 static HRESULT WINAPI class_object_BeginEnumeration(
 500     IWbemClassObject *iface,
 501     LONG lEnumFlags )
 502 {
 503     struct class_object *co = impl_from_IWbemClassObject( iface );
 504
 505     TRACE("%p, %08x\n", iface, lEnumFlags);
 506
 507     if (lEnumFlags) FIXME("flags 0x%08x not supported\n", lEnumFlags);
 508
 509     co->index_property = 0;
 510     return S_OK;
 511 }
 512
 513 static HRESULT WINAPI class_object_Next(
 514     IWbemClassObject *iface,
 515     LONG lFlags,
 516     BSTR *strName,
 517     VARIANT *pVal,
 518     CIMTYPE *pType,
 519     LONG *plFlavor )
 520 {
 521     struct class_object *co = impl_from_IWbemClassObject( iface );
 522     struct enum_class_object *ec = impl_from_IEnumWbemClassObject( co->iter );
 523     struct view *view = ec->query->view;
 524     BSTR property;
 525     HRESULT hr;
 526
 527     TRACE("%p, %08x, %p, %p, %p, %p\n", iface, lFlags, strName, pVal, pType, plFlavor);
 528
 529     if (!(property = get_property_name( co->name, co->index_property ))) return WBEM_S_NO_MORE_DATA;
 530     if ((hr = get_propval( view, co->index, property, pVal, pType, plFlavor ) != S_OK))
 531     {
 532         SysFreeString( property );
 533         return hr;
 534     }
 535     *strName = property;
 536     co->index_property++;
 537     return S_OK;
 538 }
 539
 540 static HRESULT WINAPI class_object_EndEnumeration(
 541     IWbemClassObject *iface )
 542 {
 543     struct class_object *co = impl_from_IWbemClassObject( iface );
 544
 545     TRACE("%p\n", iface);
 546
 547     co->index_property = 0;
 548     return S_OK;
 549 }
 550
 551 static HRESULT WINAPI class_object_GetPropertyQualifierSet(
 552     IWbemClassObject *iface,
 553     LPCWSTR wszProperty,
 554     IWbemQualifierSet **ppQualSet )
 555 {
 556     FIXME("%p, %s, %p\n", iface, debugstr_w(wszProperty), ppQualSet);
 557     return E_NOTIMPL;
 558 }
 559
 560 static HRESULT WINAPI class_object_Clone(
 561     IWbemClassObject *iface,
 562     IWbemClassObject **ppCopy )
 563 {
 564     FIXME("%p, %p\n", iface, ppCopy);
 565     return E_NOTIMPL;
 566 }
 567
 568 static BSTR get_body_text( const struct table *table, UINT row, UINT *len )
 569 {
 570     static const WCHAR fmtW[] = {'\n','\t','%','s',' ','=',' ','%','s',';',0};
 571     BSTR value, ret;
 572     WCHAR *p;
 573     UINT i;
 574
 575     *len = 0;
 576     for (i = 0; i < table->num_cols; i++)
 577     {
 578         *len += sizeof(fmtW) / sizeof(fmtW[0]);
 579         *len += strlenW( table->columns[i].name );
 580         value = get_value_bstr( table, row, i );
 581         *len += SysStringLen( value );
 582         SysFreeString( value );
 583     }
 584     if (!(ret = SysAllocStringLen( NULL, *len ))) return NULL;
 585     p = ret;
 586     for (i = 0; i < table->num_cols; i++)
 587     {
 588         value = get_value_bstr( table, row, i );
 589         p += sprintfW( p, fmtW, table->columns[i].name, value );
 590         SysFreeString( value );
 591     }
 592     return ret;
 593 }
 594
 595 static BSTR get_object_text( const struct view *view, UINT index )
 596 {
 597     static const WCHAR fmtW[] =
 598         {'\n','i','n','s','t','a','n','c','e',' ','o','f',' ','%','s','\n','{','%','s','\n','}',';',0};
 599     UINT len, len_body, row = view->result[index];
 600     BSTR ret, body;
 601
 602     len = sizeof(fmtW) / sizeof(fmtW[0]);
 603     len += strlenW( view->table->name );
 604     if (!(body = get_body_text( view->table, row, &len_body ))) return NULL;
 605     len += len_body;
 606
 607     if (!(ret = SysAllocStringLen( NULL, len ))) return NULL;
 608     sprintfW( ret, fmtW, view->table->name, body );
 609     SysFreeString( body );
 610     return ret;
 611 }
 612
 613 static HRESULT WINAPI class_object_GetObjectText(
 614     IWbemClassObject *iface,
 615     LONG lFlags,
 616     BSTR *pstrObjectText )
 617 {
 618     struct class_object *co = impl_from_IWbemClassObject( iface );
 619     struct enum_class_object *ec = impl_from_IEnumWbemClassObject( co->iter );
 620     struct view *view = ec->query->view;
 621     BSTR text;
 622
 623     TRACE("%p, %08x, %p\n", iface, lFlags, pstrObjectText);
 624
 625     if (lFlags) FIXME("flags %08x not implemented\n", lFlags);
 626
 627     if (!(text = get_object_text( view, co->index ))) return E_OUTOFMEMORY;
 628     *pstrObjectText = text;
 629     return S_OK;
 630 }
 631
 632 static HRESULT WINAPI class_object_SpawnDerivedClass(
 633     IWbemClassObject *iface,
 634     LONG lFlags,
 635     IWbemClassObject **ppNewClass )
 636 {
 637     FIXME("%p, %08x, %p\n", iface, lFlags, ppNewClass);
 638     return E_NOTIMPL;
 639 }
 640
 641 static HRESULT WINAPI class_object_SpawnInstance(
 642     IWbemClassObject *iface,
 643     LONG lFlags,
 644     IWbemClassObject **ppNewInstance )
 645 {
 646     struct class_object *co = impl_from_IWbemClassObject( iface );
 647     struct enum_class_object *ec = impl_from_IEnumWbemClassObject( co->iter );
 648     struct view *view = ec->query->view;
 649     struct record *record;
 650
 651     TRACE("%p, %08x, %p\n", iface, lFlags, ppNewInstance);
 652
 653     if (!(record = create_record( view->table->columns, view->table->num_cols )))
 654         return E_OUTOFMEMORY;
 655
 656     return create_class_object( co->name, NULL, 0, record, ppNewInstance );
 657 }
 658
 659 static HRESULT WINAPI class_object_CompareTo(
 660     IWbemClassObject *iface,
 661     LONG lFlags,
 662     IWbemClassObject *pCompareTo )
 663 {
 664     FIXME("%p, %08x, %p\n", iface, lFlags, pCompareTo);
 665     return E_NOTIMPL;
 666 }
 667
 668 static HRESULT WINAPI class_object_GetPropertyOrigin(
 669     IWbemClassObject *iface,
 670     LPCWSTR wszName,
 671     BSTR *pstrClassName )
 672 {
 673     FIXME("%p, %s, %p\n", iface, debugstr_w(wszName), pstrClassName);
 674     return E_NOTIMPL;
 675 }
 676
 677 static HRESULT WINAPI class_object_InheritsFrom(
 678     IWbemClassObject *iface,
 679     LPCWSTR strAncestor )
 680 {
 681     FIXME("%p, %s\n", iface, debugstr_w(strAncestor));
 682     return E_NOTIMPL;
 683 }
 684
 685 static UINT count_instances( IEnumWbemClassObject *iter )
 686 {
 687     UINT count = 0;
 688     while (!IEnumWbemClassObject_Skip( iter, WBEM_INFINITE, 1 )) count++;
 689     IEnumWbemClassObject_Reset( iter );
 690     return count;
 691 }
 692
 693 static void set_default_value( CIMTYPE type, UINT val, BYTE *ptr )
 694 {
 695     switch (type)
 696     {
 697     case CIM_SINT16:
 698         *(INT16 *)ptr = val;
 699         break;
 700     case CIM_UINT16:
 701         *(UINT16 *)ptr = val;
 702         break;
 703     case CIM_SINT32:
 704         *(INT32 *)ptr = val;
 705         break;
 706     case CIM_UINT32:
 707         *(UINT32 *)ptr = val;
 708         break;
 709     default:
 710         FIXME("unhandled type %u\n", type);
 711         break;
 712     }
 713 }
 714
 715 static HRESULT create_signature_columns_and_data( IEnumWbemClassObject *iter, UINT *num_cols,
 716                                            struct column **cols, BYTE **data )
 717 {
 718     static const WCHAR parameterW[] = {'P','a','r','a','m','e','t','e','r',0};
 719     static const WCHAR typeW[] = {'T','y','p','e',0};
 720     static const WCHAR varianttypeW[] = {'V','a','r','i','a','n','t','T','y','p','e',0};
 721     static const WCHAR defaultvalueW[] = {'D','e','f','a','u','l','t','V','a','l','u','e',0};
 722     struct column *columns;
 723     BYTE *row;
 724     IWbemClassObject *param;
 725     VARIANT val;
 726     HRESULT hr = E_OUTOFMEMORY;
 727     UINT offset = 0;
 728     ULONG count;
 729     int i = 0;
 730
 731     count = count_instances( iter );
 732     if (!(columns = heap_alloc( count * sizeof(struct column) ))) return E_OUTOFMEMORY;
 733     if (!(row = heap_alloc_zero( count * sizeof(LONGLONG) ))) goto error;
 734
 735     for (;;)
 736     {
 737         IEnumWbemClassObject_Next( iter, WBEM_INFINITE, 1, &param, &count );
 738         if (!count) break;
 739
 740         hr = IWbemClassObject_Get( param, parameterW, 0, &val, NULL, NULL );
 741         if (hr != S_OK) goto error;
 742         columns[i].name = heap_strdupW( V_BSTR( &val ) );
 743         VariantClear( &val );
 744
 745         hr = IWbemClassObject_Get( param, typeW, 0, &val, NULL, NULL );
 746         if (hr != S_OK) goto error;
 747         columns[i].type = V_UI4( &val );
 748
 749         hr = IWbemClassObject_Get( param, varianttypeW, 0, &val, NULL, NULL );
 750         if (hr != S_OK) goto error;
 751         columns[i].vartype = V_UI4( &val );
 752
 753         hr = IWbemClassObject_Get( param, defaultvalueW, 0, &val, NULL, NULL );
 754         if (hr != S_OK) goto error;
 755         if (V_UI4( &val )) set_default_value( columns[i].type, V_UI4( &val ), row + offset );
 756         offset += get_type_size( columns[i].type );
 757
 758         IWbemClassObject_Release( param );
 759         i++;
 760     }
 761     *num_cols = i;
 762     *cols = columns;
 763     *data = row;
 764     return S_OK;
 765
 766 error:
 767     for (; i >= 0; i--) heap_free( (WCHAR *)columns[i].name );
 768     heap_free( columns );
 769     heap_free( row );
 770     return hr;
 771 }
 772
 773 static HRESULT create_signature_table( IEnumWbemClassObject *iter, WCHAR *name )
 774 {
 775     HRESULT hr;
 776     struct table *table;
 777     struct column *columns;
 778     UINT num_cols;
 779     BYTE *row;
 780
 781     hr = create_signature_columns_and_data( iter, &num_cols, &columns, &row );
 782     if (hr != S_OK) return hr;
 783
 784     if (!(table = create_table( name, num_cols, columns, 1, row, NULL )))
 785     {
 786         free_columns( columns, num_cols );
 787         heap_free( row );
 788         return E_OUTOFMEMORY;
 789     }
 790     if (!add_table( table )) free_table( table ); /* already exists */
 791     return S_OK;
 792 }
 793
 794 static WCHAR *build_signature_table_name( const WCHAR *class, const WCHAR *method, enum param_direction dir )
 795 {
 796     static const WCHAR fmtW[] = {'_','_','%','s','_','%','s','_','%','s',0};
 797     static const WCHAR outW[] = {'O','U','T',0};
 798     static const WCHAR inW[] = {'I','N',0};
 799     UINT len = SIZEOF(fmtW) + SIZEOF(outW) + strlenW( class ) + strlenW( method );
 800     WCHAR *ret;
 801
 802     if (!(ret = heap_alloc( len * sizeof(WCHAR) ))) return NULL;
 803     sprintfW( ret, fmtW, class, method, dir == PARAM_IN ? inW : outW );
 804     return struprW( ret );
 805 }
 806
 807 HRESULT create_signature( const WCHAR *class, const WCHAR *method, enum param_direction dir,
 808                           IWbemClassObject **sig )
 809 {
 810     static const WCHAR selectW[] =
 811         {'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 812          '_','_','P','A','R','A','M','E','T','E','R','S',' ','W','H','E','R','E',' ',
 813          'C','l','a','s','s','=','\'','%','s','\'',' ','A','N','D',' ',
 814          'M','e','t','h','o','d','=','\'','%','s','\'',' ','A','N','D',' ',
 815          'D','i','r','e','c','t','i','o','n','%','s',0};
 816     static const WCHAR geW[] = {'>','=','0',0};
 817     static const WCHAR leW[] = {'<','=','0',0};
 818     UINT len = SIZEOF(selectW) + SIZEOF(geW);
 819     IEnumWbemClassObject *iter;
 820     WCHAR *query, *name;
 821     HRESULT hr;
 822
 823     len += strlenW( class ) + strlenW( method );
 824     if (!(query = heap_alloc( len * sizeof(WCHAR) ))) return E_OUTOFMEMORY;
 825     sprintfW( query, selectW, class, method, dir >= 0 ? geW : leW );
 826
 827     hr = exec_query( query, &iter );
 828     heap_free( query );
 829     if (hr != S_OK) return hr;
 830
 831     if (!(name = build_signature_table_name( class, method, dir )))
 832     {
 833         IEnumWbemClassObject_Release( iter );
 834         return E_OUTOFMEMORY;
 835     }
 836     hr = create_signature_table( iter, name );
 837     IEnumWbemClassObject_Release( iter );
 838     if (hr != S_OK)
 839     {
 840         heap_free( name );
 841         return hr;
 842     }
 843     return get_object( name, sig );
 844 }
 845
 846 static HRESULT WINAPI class_object_GetMethod(
 847     IWbemClassObject *iface,
 848     LPCWSTR wszName,
 849     LONG lFlags,
 850     IWbemClassObject **ppInSignature,
 851     IWbemClassObject **ppOutSignature )
 852 {
 853     struct class_object *co = impl_from_IWbemClassObject( iface );
 854     HRESULT hr;
 855
 856     TRACE("%p, %s, %08x, %p, %p\n", iface, debugstr_w(wszName), lFlags, ppInSignature, ppOutSignature);
 857
 858     hr = create_signature( co->name, wszName, PARAM_IN, ppInSignature );
 859     if (hr != S_OK) return hr;
 860
 861     hr = create_signature( co->name, wszName, PARAM_OUT, ppOutSignature );
 862     if (hr != S_OK) IWbemClassObject_Release( *ppInSignature );
 863     return hr;
 864 }
 865
 866 static HRESULT WINAPI class_object_PutMethod(
 867     IWbemClassObject *iface,
 868     LPCWSTR wszName,
 869     LONG lFlags,
 870     IWbemClassObject *pInSignature,
 871     IWbemClassObject *pOutSignature )
 872 {
 873     FIXME("%p, %s, %08x, %p, %p\n", iface, debugstr_w(wszName), lFlags, pInSignature, pOutSignature);
 874     return E_NOTIMPL;
 875 }
 876
 877 static HRESULT WINAPI class_object_DeleteMethod(
 878     IWbemClassObject *iface,
 879     LPCWSTR wszName )
 880 {
 881     FIXME("%p, %s\n", iface, debugstr_w(wszName));
 882     return E_NOTIMPL;
 883 }
 884
 885 static HRESULT WINAPI class_object_BeginMethodEnumeration(
 886     IWbemClassObject *iface,
 887     LONG lEnumFlags)
 888 {
 889     struct class_object *co = impl_from_IWbemClassObject( iface );
 890
 891     TRACE("%p, %08x\n", iface, lEnumFlags);
 892
 893     if (lEnumFlags) FIXME("flags 0x%08x not supported\n", lEnumFlags);
 894
 895     if (co->iter)
 896     {
 897         WARN("not allowed on instance\n");
 898         return WBEM_E_ILLEGAL_OPERATION;
 899     }
 900     co->index_method = 0;
 901     return S_OK;
 902 }
 903
 904 static HRESULT WINAPI class_object_NextMethod(
 905     IWbemClassObject *iface,
 906     LONG lFlags,
 907     BSTR *pstrName,
 908     IWbemClassObject **ppInSignature,
 909     IWbemClassObject **ppOutSignature)
 910 {
 911     struct class_object *co = impl_from_IWbemClassObject( iface );
 912     BSTR method;
 913     HRESULT hr;
 914
 915     TRACE("%p, %08x, %p, %p, %p\n", iface, lFlags, pstrName, ppInSignature, ppOutSignature);
 916
 917     if (!(method = get_method_name( co->name, co->index_method ))) return WBEM_S_NO_MORE_DATA;
 918
 919     hr = create_signature( co->name, method, PARAM_IN, ppInSignature );
 920     if (hr != S_OK)
 921     {
 922         SysFreeString( method );
 923         return hr;
 924     }
 925     hr = create_signature( co->name, method, PARAM_OUT, ppOutSignature );
 926     if (hr != S_OK)
 927     {
 928         SysFreeString( method );
 929         IWbemClassObject_Release( *ppInSignature );
 930     }
 931     else
 932     {
 933         *pstrName = method;
 934         co->index_method++;
 935     }
 936     return hr;
 937 }
 938
 939 static HRESULT WINAPI class_object_EndMethodEnumeration(
 940     IWbemClassObject *iface )
 941 {
 942     struct class_object *co = impl_from_IWbemClassObject( iface );
 943
 944     TRACE("%p\n", iface);
 945
 946     co->index_method = 0;
 947     return S_OK;
 948 }
 949
 950 static HRESULT WINAPI class_object_GetMethodQualifierSet(
 951     IWbemClassObject *iface,
 952     LPCWSTR wszMethod,
 953     IWbemQualifierSet **ppQualSet)
 954 {
 955     FIXME("%p, %s, %p\n", iface, debugstr_w(wszMethod), ppQualSet);
 956     return E_NOTIMPL;
 957 }
 958
 959 static HRESULT WINAPI class_object_GetMethodOrigin(
 960     IWbemClassObject *iface,
 961     LPCWSTR wszMethodName,
 962     BSTR *pstrClassName)
 963 {
 964     FIXME("%p, %s, %p\n", iface, debugstr_w(wszMethodName), pstrClassName);
 965     return E_NOTIMPL;
 966 }
 967
 968 static const IWbemClassObjectVtbl class_object_vtbl =
 969 {
 970     class_object_QueryInterface,
 971     class_object_AddRef,
 972     class_object_Release,
 973     class_object_GetQualifierSet,
 974     class_object_Get,
 975     class_object_Put,
 976     class_object_Delete,
 977     class_object_GetNames,
 978     class_object_BeginEnumeration,
 979     class_object_Next,
 980     class_object_EndEnumeration,
 981     class_object_GetPropertyQualifierSet,
 982     class_object_Clone,
 983     class_object_GetObjectText,
 984     class_object_SpawnDerivedClass,
 985     class_object_SpawnInstance,
 986     class_object_CompareTo,
 987     class_object_GetPropertyOrigin,
 988     class_object_InheritsFrom,
 989     class_object_GetMethod,
 990     class_object_PutMethod,
 991     class_object_DeleteMethod,
 992     class_object_BeginMethodEnumeration,
 993     class_object_NextMethod,
 994     class_object_EndMethodEnumeration,
 995     class_object_GetMethodQualifierSet,
 996     class_object_GetMethodOrigin
 997 };
 998
 999 HRESULT create_class_object( const WCHAR *name, IEnumWbemClassObject *iter, UINT index,
1000                              struct record *record, IWbemClassObject **obj )
1001 {
1002     struct class_object *co;
1003
1004     TRACE("%s, %p\n", debugstr_w(name), obj);
1005
1006     co = heap_alloc( sizeof(*co) );
1007     if (!co) return E_OUTOFMEMORY;
1008
1009     co->IWbemClassObject_iface.lpVtbl = &class_object_vtbl;
1010     co->refs  = 1;
1011     co->name  = heap_strdupW( name );
1012     if (!co->name)
1013     {
1014         heap_free( co );
1015         return E_OUTOFMEMORY;
1016     }
1017     co->iter           = iter;
1018     co->index          = index;
1019     co->index_method   = 0;
1020     co->index_property = 0;
1021     co->record         = record;
1022     if (iter) IEnumWbemClassObject_AddRef( iter );
1023
1024     *obj = &co->IWbemClassObject_iface;
1025
1026     TRACE("returning iface %p\n", *obj);
1027     return S_OK;
1028 }