git.oblomov.eu Git - wine/blob - dlls/oledb32/datainit.c

   1 /*
   2  * Copyright (C) 2012 Alistair Leslie-Hughes
   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 #include <stdarg.h>
  19
  20 #define COBJMACROS
  21 #define NONAMELESSUNION
  22 #define NONAMELESSSTRUCT
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "winnls.h"
  27 #include "ole2.h"
  28 #include "msdasc.h"
  29 #include "oledberr.h"
  30 #include "initguid.h"
  31 #include "oledb_private.h"
  32
  33 #include "wine/debug.h"
  34 #include "wine/unicode.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(oledb);
  37
  38 DEFINE_GUID(DBPROPSET_DBINIT, 0xc8b522bc, 0x5cf3, 0x11ce, 0xad, 0xe5, 0x00, 0xaa, 0x00, 0x44, 0x77, 0x3d);
  39
  40 typedef struct datainit
  41 {
  42     IDataInitialize IDataInitialize_iface;
  43
  44     LONG ref;
  45 } datainit;
  46
  47 static inline datainit *impl_from_IDataInitialize(IDataInitialize *iface)
  48 {
  49     return CONTAINING_RECORD(iface, datainit, IDataInitialize_iface);
  50 }
  51
  52 typedef struct
  53 {
  54     IDBInitialize IDBInitialize_iface;
  55     IDBProperties IDBProperties_iface;
  56
  57     LONG ref;
  58 } dbinit;
  59
  60 static inline dbinit *impl_from_IDBInitialize(IDBInitialize *iface)
  61 {
  62     return CONTAINING_RECORD(iface, dbinit, IDBInitialize_iface);
  63 }
  64
  65 static inline dbinit *impl_from_IDBProperties(IDBProperties *iface)
  66 {
  67     return CONTAINING_RECORD(iface, dbinit, IDBProperties_iface);
  68 }
  69
  70 static HRESULT WINAPI dbprops_QueryInterface(IDBProperties *iface, REFIID riid, void **ppvObject)
  71 {
  72     dbinit *This = impl_from_IDBProperties(iface);
  73
  74     return IDBInitialize_QueryInterface(&This->IDBInitialize_iface, riid, ppvObject);
  75 }
  76
  77 static ULONG WINAPI dbprops_AddRef(IDBProperties *iface)
  78 {
  79     dbinit *This = impl_from_IDBProperties(iface);
  80
  81     return IDBInitialize_AddRef(&This->IDBInitialize_iface);
  82 }
  83
  84 static ULONG WINAPI dbprops_Release(IDBProperties *iface)
  85 {
  86     dbinit *This = impl_from_IDBProperties(iface);
  87
  88     return IDBInitialize_Release(&This->IDBInitialize_iface);
  89 }
  90
  91 static HRESULT WINAPI dbprops_GetProperties(IDBProperties *iface, ULONG cPropertyIDSets,
  92             const DBPROPIDSET rgPropertyIDSets[], ULONG *pcPropertySets, DBPROPSET **prgPropertySets)
  93 {
  94     dbinit *This = impl_from_IDBProperties(iface);
  95
  96     FIXME("(%p)->(%d %p %p %p)\n", This, cPropertyIDSets, rgPropertyIDSets, pcPropertySets, prgPropertySets);
  97
  98     return E_NOTIMPL;
  99 }
 100
 101 static HRESULT WINAPI dbprops_GetPropertyInfo(IDBProperties *iface, ULONG cPropertyIDSets,
 102             const DBPROPIDSET rgPropertyIDSets[], ULONG *pcPropertyInfoSets,
 103             DBPROPINFOSET **prgPropertyInfoSets, OLECHAR **ppDescBuffer)
 104 {
 105     dbinit *This = impl_from_IDBProperties(iface);
 106
 107     FIXME("(%p)->(%d %p %p %p %p)\n", This, cPropertyIDSets, rgPropertyIDSets, pcPropertyInfoSets,
 108                 prgPropertyInfoSets, ppDescBuffer);
 109
 110     return E_NOTIMPL;
 111 }
 112
 113 static HRESULT WINAPI dbprops_SetProperties(IDBProperties *iface, ULONG cPropertySets,
 114             DBPROPSET rgPropertySets[])
 115 {
 116     dbinit *This = impl_from_IDBProperties(iface);
 117
 118     FIXME("(%p)->(%d %p)\n", This, cPropertySets, rgPropertySets);
 119
 120     return E_NOTIMPL;
 121 }
 122
 123 static const struct IDBPropertiesVtbl dbprops_vtbl =
 124 {
 125     dbprops_QueryInterface,
 126     dbprops_AddRef,
 127     dbprops_Release,
 128     dbprops_GetProperties,
 129     dbprops_GetPropertyInfo,
 130     dbprops_SetProperties
 131 };
 132
 133 static HRESULT WINAPI dbinit_QueryInterface(IDBInitialize *iface, REFIID riid, void **obj)
 134 {
 135     dbinit *This = impl_from_IDBInitialize(iface);
 136     TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), obj);
 137
 138     *obj = NULL;
 139
 140     if(IsEqualIID(riid, &IID_IUnknown) ||
 141        IsEqualIID(riid, &IID_IDBInitialize))
 142     {
 143         *obj = iface;
 144     }
 145     else if(IsEqualIID(riid, &IID_IDBProperties))
 146     {
 147         *obj = &This->IDBProperties_iface;
 148     }
 149     else
 150     {
 151         FIXME("interface %s not implemented\n", debugstr_guid(riid));
 152         return E_NOINTERFACE;
 153     }
 154
 155     IDBInitialize_AddRef(iface);
 156     return S_OK;
 157 }
 158
 159 static ULONG WINAPI dbinit_AddRef(IDBInitialize *iface)
 160 {
 161     dbinit *This = impl_from_IDBInitialize(iface);
 162     TRACE("(%p)\n", This);
 163
 164     return InterlockedIncrement(&This->ref);
 165 }
 166
 167 static ULONG WINAPI dbinit_Release(IDBInitialize *iface)
 168 {
 169     dbinit *This = impl_from_IDBInitialize(iface);
 170     LONG ref;
 171
 172     TRACE("(%p)\n", This);
 173
 174     ref = InterlockedDecrement(&This->ref);
 175     if(ref == 0)
 176     {
 177         HeapFree(GetProcessHeap(), 0, This);
 178     }
 179
 180     return ref;
 181 }
 182
 183 static HRESULT WINAPI dbinit_Initialize(IDBInitialize *iface)
 184 {
 185     dbinit *This = impl_from_IDBInitialize(iface);
 186
 187     FIXME("(%p) stub\n", This);
 188
 189     return S_OK;
 190 }
 191
 192 static HRESULT WINAPI dbinit_Uninitialize(IDBInitialize *iface)
 193 {
 194     dbinit *This = impl_from_IDBInitialize(iface);
 195
 196     FIXME("(%p) stub\n", This);
 197
 198     return S_OK;
 199 }
 200
 201 static const IDBInitializeVtbl dbinit_vtbl =
 202 {
 203     dbinit_QueryInterface,
 204     dbinit_AddRef,
 205     dbinit_Release,
 206     dbinit_Initialize,
 207     dbinit_Uninitialize
 208 };
 209
 210 static HRESULT create_db_init(void **obj)
 211 {
 212     dbinit *This;
 213
 214     TRACE("()\n");
 215
 216     *obj = NULL;
 217
 218     This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
 219     if(!This) return E_OUTOFMEMORY;
 220
 221     This->IDBInitialize_iface.lpVtbl = &dbinit_vtbl;
 222     This->IDBProperties_iface.lpVtbl = &dbprops_vtbl;
 223     This->ref = 1;
 224
 225     *obj = &This->IDBInitialize_iface;
 226
 227     return S_OK;
 228 }
 229
 230 static HRESULT WINAPI datainit_QueryInterface(IDataInitialize *iface, REFIID riid, void **obj)
 231 {
 232     datainit *This = impl_from_IDataInitialize(iface);
 233     TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), obj);
 234
 235     *obj = NULL;
 236
 237     if(IsEqualIID(riid, &IID_IUnknown) ||
 238        IsEqualIID(riid, &IID_IDataInitialize))
 239     {
 240         *obj = &This->IDataInitialize_iface;
 241     }
 242     else
 243     {
 244         FIXME("interface %s not implemented\n", debugstr_guid(riid));
 245         return E_NOINTERFACE;
 246     }
 247
 248     IDataInitialize_AddRef(iface);
 249     return S_OK;
 250 }
 251
 252 static ULONG WINAPI datainit_AddRef(IDataInitialize *iface)
 253 {
 254     datainit *This = impl_from_IDataInitialize(iface);
 255     TRACE("(%p)\n", This);
 256
 257     return InterlockedIncrement(&This->ref);
 258 }
 259
 260 static ULONG WINAPI datainit_Release(IDataInitialize *iface)
 261 {
 262     datainit *This = impl_from_IDataInitialize(iface);
 263     LONG ref;
 264
 265     TRACE("(%p)\n", This);
 266
 267     ref = InterlockedDecrement(&This->ref);
 268     if(ref == 0)
 269     {
 270         HeapFree(GetProcessHeap(), 0, This);
 271     }
 272
 273     return ref;
 274 }
 275
 276 static void free_dbpropset(ULONG count, DBPROPSET *propset)
 277 {
 278     int i;
 279
 280     for (i = 0; i < count; i++)
 281     {
 282         int p;
 283
 284         for (p = 0; p < propset[i].cProperties; p++)
 285             VariantClear(&propset[i].rgProperties[p].vValue);
 286
 287         CoTaskMemFree(propset[i].rgProperties);
 288     }
 289     CoTaskMemFree(propset);
 290 }
 291
 292 static HRESULT set_dbpropset(BSTR name, BSTR value, DBPROPSET **propset)
 293 {
 294     static const WCHAR datasourceW[] = {'D','a','t','a',' ','S','o','u','r','c','e',0};
 295
 296     if (!strcmpW(datasourceW, name))
 297     {
 298         *propset = CoTaskMemAlloc(sizeof(DBPROPSET));
 299         (*propset)->rgProperties = CoTaskMemAlloc(sizeof(DBPROP));
 300         (*propset)->cProperties = 1;
 301         (*propset)->guidPropertySet = DBPROPSET_DBINIT;
 302         (*propset)->rgProperties[0].dwPropertyID = DBPROP_INIT_DATASOURCE;
 303         (*propset)->rgProperties[0].dwOptions = DBPROPOPTIONS_REQUIRED;
 304         (*propset)->rgProperties[0].dwStatus = 0;
 305         memset(&(*propset)->rgProperties[0].colid, 0, sizeof(DBID));
 306         V_VT(&(*propset)->rgProperties[0].vValue) = VT_BSTR;
 307         V_BSTR(&(*propset)->rgProperties[0].vValue) = SysAllocString(value);
 308         return S_OK;
 309     }
 310     else
 311     {
 312         *propset = NULL;
 313         FIXME("unsupported property %s\n", debugstr_w(name));
 314         return E_FAIL;
 315     }
 316 }
 317
 318 /*** IDataInitialize methods ***/
 319 static HRESULT WINAPI datainit_GetDataSource(IDataInitialize *iface, IUnknown *outer, DWORD clsctx,
 320                                 LPWSTR initstring, REFIID riid, IUnknown **datasource)
 321 {
 322     static const WCHAR providerW[] = {'P','r','o','v','i','d','e','r','=',0};
 323     static const WCHAR msdasqlW[] = {'M','S','D','A','S','Q','L',0};
 324     datainit *This = impl_from_IDataInitialize(iface);
 325     IDBProperties *dbprops;
 326     DBPROPSET *propset;
 327     WCHAR *prov = NULL;
 328     CLSID provclsid;
 329     HRESULT hr;
 330
 331     TRACE("(%p)->(%p 0x%x %s %s %p)\n", This, outer, clsctx, debugstr_w(initstring), debugstr_guid(riid), datasource);
 332
 333     /* first get provider name */
 334     provclsid = IID_NULL;
 335     if (initstring && (prov = strstrW(initstring, providerW)))
 336     {
 337         WCHAR *start, *progid;
 338         int len;
 339
 340         prov += sizeof(providerW)/sizeof(WCHAR)-1;
 341         start = prov;
 342         while (*prov && *prov != ';')
 343             ++prov;
 344         TRACE("got provider %s\n", debugstr_wn(start, prov-start));
 345
 346         len = prov - start;
 347         progid = CoTaskMemAlloc((len+1)*sizeof(WCHAR));
 348         if (!progid) return E_OUTOFMEMORY;
 349
 350         memcpy(progid, start, len*sizeof(WCHAR));
 351         progid[len] = 0;
 352
 353         hr = CLSIDFromProgID(progid, &provclsid);
 354         CoTaskMemFree(progid);
 355         if (FAILED(hr))
 356         {
 357             ERR("provider %s not registered\n", debugstr_wn(start, prov-start));
 358             return hr;
 359         }
 360     }
 361     else
 362     {
 363         hr = CLSIDFromProgID(msdasqlW, &provclsid);
 364         if (FAILED(hr))
 365             ERR("ODBC provider for OLE DB not registered\n");
 366     }
 367
 368     /* check for provider mismatch if it was specified in init string */
 369     if (*datasource && prov)
 370     {
 371         DBPROPIDSET propidset;
 372         enum DBPROPENUM prop;
 373         CLSID initprov;
 374         ULONG count;
 375
 376         hr = IUnknown_QueryInterface(*datasource, &IID_IDBProperties, (void**)&dbprops);
 377         if (FAILED(hr))
 378         {
 379             WARN("provider doesn't support IDBProperties\n");
 380             return hr;
 381         }
 382
 383         prop = DBPROP_INIT_DATASOURCE;
 384         propidset.rgPropertyIDs = &prop;
 385         propidset.cPropertyIDs = 1;
 386         propidset.guidPropertySet = DBPROPSET_DBINIT;
 387         count = 0;
 388         propset = NULL;
 389         hr = IDBProperties_GetProperties(dbprops, 1, &propidset, &count, &propset);
 390         IDBProperties_Release(dbprops);
 391         if (FAILED(hr))
 392         {
 393             WARN("GetProperties failed for datasource, 0x%08x\n", hr);
 394             return hr;
 395         }
 396
 397         TRACE("initial data source provider %s\n", debugstr_w(V_BSTR(&propset->rgProperties[0].vValue)));
 398         initprov = IID_NULL;
 399         CLSIDFromProgID(V_BSTR(&propset->rgProperties[0].vValue), &initprov);
 400         free_dbpropset(count, propset);
 401
 402         if (!IsEqualIID(&provclsid, &initprov)) return DB_E_MISMATCHEDPROVIDER;
 403     }
 404
 405     if (!*datasource)
 406     {
 407         if (!IsEqualIID(&provclsid, &IID_NULL))
 408             hr = CoCreateInstance(&provclsid, outer, clsctx, riid, (void**)datasource);
 409
 410         if (FAILED(hr) && IsEqualIID(riid, &IID_IDBInitialize))
 411             hr = create_db_init((void**)datasource);
 412     }
 413
 414     /* now set properties */
 415     if (initstring)
 416     {
 417         WCHAR *eq, *start;
 418
 419         hr = IUnknown_QueryInterface(*datasource, &IID_IDBProperties, (void**)&dbprops);
 420         if (FAILED(hr))
 421         {
 422             WARN("provider doesn't support IDBProperties\n");
 423             return hr;
 424         }
 425
 426         start = initstring;
 427         while (start && (eq = strchrW(start, '=')))
 428         {
 429             static const WCHAR providerW[] = {'P','r','o','v','i','d','e','r',0};
 430             WCHAR *scol = strchrW(eq+1, ';');
 431             BSTR value, name;
 432
 433             name = SysAllocStringLen(start, eq - start);
 434             /* skip equal sign to get value */
 435             eq++;
 436             value = SysAllocStringLen(eq, scol ? scol - eq : -1);
 437
 438             /* skip semicolon if present */
 439             if (scol) scol++;
 440             start = scol;
 441
 442             if (!strcmpW(name, providerW))
 443             {
 444                 SysFreeString(name);
 445                 SysFreeString(value);
 446                 continue;
 447             }
 448
 449             TRACE("property (name=%s, value=%s)\n", debugstr_w(name), debugstr_w(value));
 450
 451             hr = set_dbpropset(name, value, &propset);
 452             SysFreeString(name);
 453             SysFreeString(value);
 454             if (FAILED(hr)) return hr;
 455
 456             hr = IDBProperties_SetProperties(dbprops, 1, propset);
 457             free_dbpropset(1, propset);
 458             TRACE("provider ret 0x%08x\n", hr);
 459         }
 460
 461         IDBProperties_Release(dbprops);
 462     }
 463
 464     return hr;
 465 }
 466
 467 /* returns character length of string representation */
 468 static int get_propvalue_length(DBPROP *prop)
 469 {
 470     VARIANT str;
 471     HRESULT hr;
 472
 473     if (V_VT(&prop->vValue) == VT_BSTR) return SysStringLen(V_BSTR(&prop->vValue));
 474
 475     VariantInit(&str);
 476     hr = VariantChangeType(&str, &prop->vValue, 0, VT_BSTR);
 477     if (hr == S_OK)
 478     {
 479         int len = SysStringLen(V_BSTR(&str));
 480         VariantClear(&str);
 481         return len;
 482     }
 483
 484     return 0;
 485 }
 486
 487 static void write_propvalue_str(WCHAR *str, DBPROP *prop)
 488 {
 489     VARIANT *v = &prop->vValue;
 490     VARIANT vstr;
 491     HRESULT hr;
 492
 493     if (V_VT(v) == VT_BSTR)
 494     {
 495         strcatW(str, V_BSTR(v));
 496         return;
 497     }
 498
 499     VariantInit(&vstr);
 500     hr = VariantChangeType(&vstr, v, VARIANT_ALPHABOOL, VT_BSTR);
 501     if (hr == S_OK)
 502     {
 503         strcatW(str, V_BSTR(&vstr));
 504         VariantClear(&vstr);
 505     }
 506 }
 507
 508 static WCHAR *get_propinfo_descr(DBPROP *prop, DBPROPINFOSET *propinfoset)
 509 {
 510     int i;
 511
 512     for (i = 0; i < propinfoset->cPropertyInfos; i++)
 513         if (propinfoset->rgPropertyInfos[i].dwPropertyID == prop->dwPropertyID)
 514             return propinfoset->rgPropertyInfos[i].pwszDescription;
 515
 516     return NULL;
 517 }
 518
 519 static void free_dbpropinfoset(ULONG count, DBPROPINFOSET *propinfoset)
 520 {
 521     int i;
 522
 523     for (i = 0; i < count; i++)
 524     {
 525         int p;
 526
 527         for (p = 0; p < propinfoset[i].cPropertyInfos; p++)
 528             VariantClear(&propinfoset[i].rgPropertyInfos[p].vValues);
 529
 530         CoTaskMemFree(propinfoset[i].rgPropertyInfos);
 531     }
 532     CoTaskMemFree(propinfoset);
 533 }
 534
 535 static HRESULT WINAPI datainit_GetInitializationString(IDataInitialize *iface, IUnknown *datasource,
 536                                 boolean include_pass, LPWSTR *init_string)
 537 {
 538     static const WCHAR provW[] = {'P','r','o','v','i','d','e','r','=',0};
 539     static const WCHAR colW[] = {';',0};
 540     datainit *This = impl_from_IDataInitialize(iface);
 541     DBPROPINFOSET *propinfoset;
 542     IDBProperties *props;
 543     DBPROPIDSET propidset;
 544     ULONG count, infocount;
 545     WCHAR *progid, *desc;
 546     DBPROPSET *propset;
 547     IPersist *persist;
 548     HRESULT hr;
 549     CLSID clsid;
 550     int i, len;
 551
 552     TRACE("(%p)->(%p %d %p)\n", This, datasource, include_pass, init_string);
 553
 554     /* IPersist support is mandatory for data sources */
 555     hr = IUnknown_QueryInterface(datasource, &IID_IPersist, (void**)&persist);
 556     if (FAILED(hr)) return hr;
 557
 558     memset(&clsid, 0, sizeof(clsid));
 559     hr = IPersist_GetClassID(persist, &clsid);
 560     IPersist_Release(persist);
 561     if (FAILED(hr)) return hr;
 562
 563     progid = NULL;
 564     ProgIDFromCLSID(&clsid, &progid);
 565     TRACE("clsid=%s, progid=%s\n", debugstr_guid(&clsid), debugstr_w(progid));
 566
 567     /* now get initialization properties */
 568     hr = IUnknown_QueryInterface(datasource, &IID_IDBProperties, (void**)&props);
 569     if (FAILED(hr))
 570     {
 571         WARN("IDBProperties not supported\n");
 572         CoTaskMemFree(progid);
 573         return hr;
 574     }
 575
 576     propidset.rgPropertyIDs = NULL;
 577     propidset.cPropertyIDs = 0;
 578     propidset.guidPropertySet = DBPROPSET_DBINIT;
 579     propset = NULL;
 580     count = 0;
 581     hr = IDBProperties_GetProperties(props, 1, &propidset, &count, &propset);
 582     if (FAILED(hr))
 583     {
 584         WARN("failed to get data source properties, 0x%08x\n", hr);
 585         CoTaskMemFree(progid);
 586         return hr;
 587     }
 588
 589     infocount = 0;
 590     IDBProperties_GetPropertyInfo(props, 1, &propidset, &infocount, &propinfoset, &desc);
 591     IDBProperties_Release(props);
 592
 593     /* check if we need to skip password */
 594     len = strlenW(progid) + strlenW(provW) + 1; /* including ';' */
 595     for (i = 0; i < count; i++)
 596     {
 597         WCHAR *descr = get_propinfo_descr(&propset->rgProperties[i], propinfoset);
 598         if (descr)
 599         {
 600             /* include '=' and ';' */
 601             len += strlenW(descr) + 2;
 602             len += get_propvalue_length(&propset->rgProperties[i]);
 603         }
 604
 605         if ((propset->rgProperties[i].dwPropertyID == DBPROP_AUTH_PERSIST_SENSITIVE_AUTHINFO) &&
 606             (V_BOOL(&propset->rgProperties[i].vValue) == VARIANT_FALSE))
 607            include_pass = FALSE;
 608     }
 609
 610     len *= sizeof(WCHAR);
 611     *init_string = CoTaskMemAlloc(len);
 612     *init_string[0] = 0;
 613
 614     /* provider name */
 615     strcatW(*init_string, provW);
 616     strcatW(*init_string, progid);
 617     strcatW(*init_string, colW);
 618     CoTaskMemFree(progid);
 619
 620     for (i = 0; i < count; i++)
 621     {
 622         WCHAR *descr;
 623
 624         if (!include_pass && propset->rgProperties[i].dwPropertyID == DBPROP_AUTH_PASSWORD) continue;
 625
 626         descr = get_propinfo_descr(&propset->rgProperties[i], propinfoset);
 627         if (descr)
 628         {
 629             static const WCHAR eqW[] = {'=',0};
 630             strcatW(*init_string, descr);
 631             strcatW(*init_string, eqW);
 632             write_propvalue_str(*init_string, &propset->rgProperties[i]);
 633             strcatW(*init_string, colW);
 634         }
 635     }
 636
 637     free_dbpropset(count, propset);
 638     free_dbpropinfoset(infocount, propinfoset);
 639     CoTaskMemFree(desc);
 640
 641     if (!include_pass)
 642         TRACE("%s\n", debugstr_w(*init_string));
 643     return S_OK;
 644 }
 645
 646 static HRESULT WINAPI datainit_CreateDBInstance(IDataInitialize *iface, REFCLSID provider,
 647                                 IUnknown *outer, DWORD clsctx, LPWSTR reserved, REFIID riid,
 648                                 IUnknown **datasource)
 649 {
 650     datainit *This = impl_from_IDataInitialize(iface);
 651
 652     TRACE("(%p)->(%s %p 0x%08x %s %s %p)\n", This, debugstr_guid(provider), outer, clsctx, debugstr_w(reserved),
 653         debugstr_guid(riid), datasource);
 654
 655     return CoCreateInstance(provider, outer, clsctx, riid, (void**)datasource);
 656 }
 657
 658 static HRESULT WINAPI datainit_RemoteCreateDBInstanceEx(IDataInitialize *iface, REFCLSID clsidProvider,
 659                                 IUnknown *pUnkOuter, DWORD dwClsCtx, LPWSTR pwszReserved, COSERVERINFO *pServerInfo,
 660                                 DWORD cmq, GUID **rgpIID, IUnknown **rgpItf, HRESULT *rghr)
 661 {
 662     datainit *This = impl_from_IDataInitialize(iface);
 663
 664     FIXME("(%p)->()\n", This);
 665
 666     return E_NOTIMPL;
 667 }
 668
 669 static HRESULT WINAPI datainit_LoadStringFromStorage(IDataInitialize *iface, LPWSTR pwszFileName,
 670                                 LPWSTR *ppwszInitializationString)
 671 {
 672     datainit *This = impl_from_IDataInitialize(iface);
 673
 674     FIXME("(%p)->(%s %p)\n", This, debugstr_w(pwszFileName), ppwszInitializationString);
 675
 676     return E_NOTIMPL;
 677 }
 678
 679 static HRESULT WINAPI datainit_WriteStringToStorage(IDataInitialize *iface, LPWSTR pwszFileName,
 680                                 LPWSTR pwszInitializationString, DWORD dwCreationDisposition)
 681 {
 682     datainit *This = impl_from_IDataInitialize(iface);
 683
 684     FIXME("(%p)->(%s %s %d)\n", This, debugstr_w(pwszFileName), debugstr_w(pwszInitializationString), dwCreationDisposition);
 685
 686     return E_NOTIMPL;
 687 }
 688
 689
 690 static const struct IDataInitializeVtbl datainit_vtbl =
 691 {
 692     datainit_QueryInterface,
 693     datainit_AddRef,
 694     datainit_Release,
 695     datainit_GetDataSource,
 696     datainit_GetInitializationString,
 697     datainit_CreateDBInstance,
 698     datainit_RemoteCreateDBInstanceEx,
 699     datainit_LoadStringFromStorage,
 700     datainit_WriteStringToStorage
 701 };
 702
 703 HRESULT create_data_init(IUnknown *outer, void **obj)
 704 {
 705     datainit *This;
 706
 707     TRACE("(%p)\n", obj);
 708
 709     if(outer) return CLASS_E_NOAGGREGATION;
 710
 711     *obj = NULL;
 712
 713     This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
 714     if(!This) return E_OUTOFMEMORY;
 715
 716     This->IDataInitialize_iface.lpVtbl = &datainit_vtbl;
 717     This->ref = 1;
 718
 719     *obj = &This->IDataInitialize_iface;
 720
 721     return S_OK;
 722 }