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
  22 #include "windef.h"
  23 #include "winbase.h"
  24 #include "winnls.h"
  25 #include "ole2.h"
  26 #include "msdasc.h"
  27 #include "oledberr.h"
  28 #include "initguid.h"
  29 #include "oledb_private.h"
  30
  31 #include "wine/debug.h"
  32 #include "wine/list.h"
  33 #include "wine/unicode.h"
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(oledb);
  36
  37 DEFINE_GUID(DBPROPSET_DBINIT, 0xc8b522bc, 0x5cf3, 0x11ce, 0xad, 0xe5, 0x00, 0xaa, 0x00, 0x44, 0x77, 0x3d);
  38
  39 typedef struct datainit
  40 {
  41     IDataInitialize IDataInitialize_iface;
  42
  43     LONG ref;
  44 } datainit;
  45
  46 static inline datainit *impl_from_IDataInitialize(IDataInitialize *iface)
  47 {
  48     return CONTAINING_RECORD(iface, datainit, IDataInitialize_iface);
  49 }
  50
  51 typedef struct
  52 {
  53     IDBInitialize IDBInitialize_iface;
  54     IDBProperties IDBProperties_iface;
  55
  56     LONG ref;
  57 } dbinit;
  58
  59 static inline dbinit *impl_from_IDBInitialize(IDBInitialize *iface)
  60 {
  61     return CONTAINING_RECORD(iface, dbinit, IDBInitialize_iface);
  62 }
  63
  64 static inline dbinit *impl_from_IDBProperties(IDBProperties *iface)
  65 {
  66     return CONTAINING_RECORD(iface, dbinit, IDBProperties_iface);
  67 }
  68
  69 static HRESULT WINAPI dbprops_QueryInterface(IDBProperties *iface, REFIID riid, void **ppvObject)
  70 {
  71     dbinit *This = impl_from_IDBProperties(iface);
  72
  73     return IDBInitialize_QueryInterface(&This->IDBInitialize_iface, riid, ppvObject);
  74 }
  75
  76 static ULONG WINAPI dbprops_AddRef(IDBProperties *iface)
  77 {
  78     dbinit *This = impl_from_IDBProperties(iface);
  79
  80     return IDBInitialize_AddRef(&This->IDBInitialize_iface);
  81 }
  82
  83 static ULONG WINAPI dbprops_Release(IDBProperties *iface)
  84 {
  85     dbinit *This = impl_from_IDBProperties(iface);
  86
  87     return IDBInitialize_Release(&This->IDBInitialize_iface);
  88 }
  89
  90 static HRESULT WINAPI dbprops_GetProperties(IDBProperties *iface, ULONG cPropertyIDSets,
  91             const DBPROPIDSET rgPropertyIDSets[], ULONG *pcPropertySets, DBPROPSET **prgPropertySets)
  92 {
  93     dbinit *This = impl_from_IDBProperties(iface);
  94
  95     FIXME("(%p)->(%d %p %p %p)\n", This, cPropertyIDSets, rgPropertyIDSets, pcPropertySets, prgPropertySets);
  96
  97     return E_NOTIMPL;
  98 }
  99
 100 static HRESULT WINAPI dbprops_GetPropertyInfo(IDBProperties *iface, ULONG cPropertyIDSets,
 101             const DBPROPIDSET rgPropertyIDSets[], ULONG *pcPropertyInfoSets,
 102             DBPROPINFOSET **prgPropertyInfoSets, OLECHAR **ppDescBuffer)
 103 {
 104     dbinit *This = impl_from_IDBProperties(iface);
 105
 106     FIXME("(%p)->(%d %p %p %p %p)\n", This, cPropertyIDSets, rgPropertyIDSets, pcPropertyInfoSets,
 107                 prgPropertyInfoSets, ppDescBuffer);
 108
 109     return E_NOTIMPL;
 110 }
 111
 112 static HRESULT WINAPI dbprops_SetProperties(IDBProperties *iface, ULONG cPropertySets,
 113             DBPROPSET rgPropertySets[])
 114 {
 115     dbinit *This = impl_from_IDBProperties(iface);
 116
 117     FIXME("(%p)->(%d %p)\n", This, cPropertySets, rgPropertySets);
 118
 119     return E_NOTIMPL;
 120 }
 121
 122 static const struct IDBPropertiesVtbl dbprops_vtbl =
 123 {
 124     dbprops_QueryInterface,
 125     dbprops_AddRef,
 126     dbprops_Release,
 127     dbprops_GetProperties,
 128     dbprops_GetPropertyInfo,
 129     dbprops_SetProperties
 130 };
 131
 132 static HRESULT WINAPI dbinit_QueryInterface(IDBInitialize *iface, REFIID riid, void **obj)
 133 {
 134     dbinit *This = impl_from_IDBInitialize(iface);
 135     TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), obj);
 136
 137     *obj = NULL;
 138
 139     if(IsEqualIID(riid, &IID_IUnknown) ||
 140        IsEqualIID(riid, &IID_IDBInitialize))
 141     {
 142         *obj = iface;
 143     }
 144     else if(IsEqualIID(riid, &IID_IDBProperties))
 145     {
 146         *obj = &This->IDBProperties_iface;
 147     }
 148     else
 149     {
 150         FIXME("interface %s not implemented\n", debugstr_guid(riid));
 151         return E_NOINTERFACE;
 152     }
 153
 154     IDBInitialize_AddRef(iface);
 155     return S_OK;
 156 }
 157
 158 static ULONG WINAPI dbinit_AddRef(IDBInitialize *iface)
 159 {
 160     dbinit *This = impl_from_IDBInitialize(iface);
 161     TRACE("(%p)\n", This);
 162
 163     return InterlockedIncrement(&This->ref);
 164 }
 165
 166 static ULONG WINAPI dbinit_Release(IDBInitialize *iface)
 167 {
 168     dbinit *This = impl_from_IDBInitialize(iface);
 169     LONG ref;
 170
 171     TRACE("(%p)\n", This);
 172
 173     ref = InterlockedDecrement(&This->ref);
 174     if(ref == 0)
 175         heap_free(This);
 176
 177     return ref;
 178 }
 179
 180 static HRESULT WINAPI dbinit_Initialize(IDBInitialize *iface)
 181 {
 182     dbinit *This = impl_from_IDBInitialize(iface);
 183
 184     FIXME("(%p) stub\n", This);
 185
 186     return S_OK;
 187 }
 188
 189 static HRESULT WINAPI dbinit_Uninitialize(IDBInitialize *iface)
 190 {
 191     dbinit *This = impl_from_IDBInitialize(iface);
 192
 193     FIXME("(%p) stub\n", This);
 194
 195     return S_OK;
 196 }
 197
 198 static const IDBInitializeVtbl dbinit_vtbl =
 199 {
 200     dbinit_QueryInterface,
 201     dbinit_AddRef,
 202     dbinit_Release,
 203     dbinit_Initialize,
 204     dbinit_Uninitialize
 205 };
 206
 207 static HRESULT create_db_init(IUnknown **obj)
 208 {
 209     dbinit *This;
 210
 211     TRACE("()\n");
 212
 213     *obj = NULL;
 214
 215     This = heap_alloc(sizeof(*This));
 216     if(!This) return E_OUTOFMEMORY;
 217
 218     This->IDBInitialize_iface.lpVtbl = &dbinit_vtbl;
 219     This->IDBProperties_iface.lpVtbl = &dbprops_vtbl;
 220     This->ref = 1;
 221
 222     *obj = (IUnknown*)&This->IDBInitialize_iface;
 223
 224     return S_OK;
 225 }
 226
 227 static HRESULT WINAPI datainit_QueryInterface(IDataInitialize *iface, REFIID riid, void **obj)
 228 {
 229     datainit *This = impl_from_IDataInitialize(iface);
 230     TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), obj);
 231
 232     *obj = NULL;
 233
 234     if(IsEqualIID(riid, &IID_IUnknown) ||
 235        IsEqualIID(riid, &IID_IDataInitialize))
 236     {
 237         *obj = &This->IDataInitialize_iface;
 238     }
 239     else
 240     {
 241         FIXME("interface %s not implemented\n", debugstr_guid(riid));
 242         return E_NOINTERFACE;
 243     }
 244
 245     IDataInitialize_AddRef(iface);
 246     return S_OK;
 247 }
 248
 249 static ULONG WINAPI datainit_AddRef(IDataInitialize *iface)
 250 {
 251     datainit *This = impl_from_IDataInitialize(iface);
 252     TRACE("(%p)\n", This);
 253
 254     return InterlockedIncrement(&This->ref);
 255 }
 256
 257 static ULONG WINAPI datainit_Release(IDataInitialize *iface)
 258 {
 259     datainit *This = impl_from_IDataInitialize(iface);
 260     LONG ref;
 261
 262     TRACE("(%p)\n", This);
 263
 264     ref = InterlockedDecrement(&This->ref);
 265     if(ref == 0)
 266         heap_free(This);
 267
 268     return ref;
 269 }
 270
 271 static void free_dbpropset(ULONG count, DBPROPSET *propset)
 272 {
 273     ULONG i;
 274
 275     for (i = 0; i < count; i++)
 276     {
 277         ULONG p;
 278
 279         for (p = 0; p < propset[i].cProperties; p++)
 280             VariantClear(&propset[i].rgProperties[p].vValue);
 281
 282         CoTaskMemFree(propset[i].rgProperties);
 283     }
 284     CoTaskMemFree(propset);
 285 }
 286
 287 struct dbproperty {
 288     const WCHAR *name;
 289     DBPROPID id;
 290     DBPROPOPTIONS options;
 291     VARTYPE type;
 292 };
 293
 294 static const WCHAR asyncW[]  = {'A','s','y','n','c','h','r','o','n','o','u','s',' ','P','r','o','c','e','s','s','i','n','g',0};
 295 static const WCHAR bindW[]  = {'B','i','n','d',' ','F','l','a','g','s',0};
 296 static const WCHAR cacheW[]  = {'C','a','c','h','e',' ','A','u','t','h','e','n','i','c','a','t','i','o','n',0};
 297 static const WCHAR conn_timeout[] = {'C','o','n','n','e','c','t',' ','T','i','m','e','o','u','t',0};
 298 static const WCHAR datasourceW[] = {'D','a','t','a',' ','S','o','u','r','c','e',0};
 299 static const WCHAR encryptW[] = {'E','n','c','r','y','p','t',' ','P','a','s','s','w','o','r','d',0};
 300 static const WCHAR extendedW[] = {'E','x','t','e','n','d','e','d',' ','P','r','o','p','e','r','t','i','e','s',0};
 301 static const WCHAR gen_timeout[] = {'G','e','n','e','r','a','l',' ','T','i','m','e','o','u','t',0};
 302 static const WCHAR impersonW[] = {'I','m','p','e','r','s','o','n','a','t','i','o','n',' ','L','e','v','e','l',0};
 303 static const WCHAR initcatW[] = {'I','n','i','t','i','a','l',' ','C','a','t','a','l','o','g',0};
 304 static const WCHAR integratedW[] = {'I','n','t','e','g','r','a','t','e','d',' ','S','e','c','u','r','i','t','y',0};
 305 static const WCHAR localeIDW[] = {'L','o','c','a','l','e',' ','I','d','e','n','t','i','f','i','e','r',0};
 306 static const WCHAR locationW[] = {'L','o','c','a','t','i','o','n',0};
 307 static const WCHAR lockownerW[] = {'L','o','c','k',' ','O','w','n','e','r',0};
 308 static const WCHAR maskpassW[] = {'M','a','s','k',' ','P','a','s','s','w','o','r','d',0};
 309 static const WCHAR modeW[] = {'M','o','d','e',0};
 310 static const WCHAR oledbservW[] = {'O','L','E',' ','D','B',' ','S','e','r','v','i','c','i','e','s',0};
 311 static const WCHAR passwordW[] = {'P','a','s','s','w','o','r','d',0};
 312 static const WCHAR persistW[]  = {'P','e','r','s','i','s','t',' ','S','e','c','u','r','i','t','y',' ','I','n','f','o',0};
 313 static const WCHAR persistEncW[]  = {'P','e','r','s','i','s','t',' ','E','n','c','r','y','p','t','e','d',0};
 314 static const WCHAR promptW[] = {'P','r','o','m','p','t',0};
 315 static const WCHAR protectW[]  = {'P','r','o','t','e','c','t','i','o','n',' ','l','e','v','e','l',0};
 316 static const WCHAR useridW[] = {'U','s','e','r',' ','I','D',0};
 317 static const WCHAR winhandleW[] = {'W','i','n','d','o','w',' ','H','a','n','d','l','e',0};
 318
 319 static const struct dbproperty dbproperties[] = {
 320     { asyncW,      DBPROP_INIT_ASYNCH,                     DBPROPOPTIONS_OPTIONAL, VT_I4 },
 321     { bindW,       DBPROP_INIT_BINDFLAGS,                  DBPROPOPTIONS_OPTIONAL, VT_I4 },
 322     { cacheW,      DBPROP_AUTH_CACHE_AUTHINFO,             DBPROPOPTIONS_OPTIONAL, VT_BOOL },
 323     { conn_timeout,DBPROP_INIT_TIMEOUT,                    DBPROPOPTIONS_OPTIONAL, VT_I4 },
 324     { datasourceW, DBPROP_INIT_DATASOURCE,                 DBPROPOPTIONS_REQUIRED, VT_BSTR },
 325     { extendedW,   DBPROP_INIT_PROVIDERSTRING,             DBPROPOPTIONS_REQUIRED, VT_BSTR },
 326     { encryptW,    DBPROP_AUTH_ENCRYPT_PASSWORD,           DBPROPOPTIONS_REQUIRED, VT_BOOL },
 327     { gen_timeout, DBPROP_INIT_GENERALTIMEOUT,             DBPROPOPTIONS_OPTIONAL, VT_I4 },
 328     { impersonW,   DBPROP_INIT_IMPERSONATION_LEVEL,        DBPROPOPTIONS_OPTIONAL, VT_I4 },
 329     { initcatW,    DBPROP_CATALOGLOCATION,                 DBPROPOPTIONS_OPTIONAL, VT_BSTR },
 330     { integratedW, DBPROP_AUTH_INTEGRATED,                 DBPROPOPTIONS_OPTIONAL, VT_BSTR },
 331     { localeIDW,   DBPROP_INIT_LCID,                       DBPROPOPTIONS_OPTIONAL, VT_I4 },
 332     { locationW,   DBPROP_INIT_LOCATION,                   DBPROPOPTIONS_OPTIONAL, VT_BSTR },
 333     { lockownerW,  DBPROP_INIT_LOCKOWNER,                  DBPROPOPTIONS_OPTIONAL, VT_BSTR },
 334     { maskpassW,   DBPROP_AUTH_MASK_PASSWORD,              DBPROPOPTIONS_OPTIONAL, VT_BOOL },
 335     { modeW,       DBPROP_INIT_MODE,                       DBPROPOPTIONS_OPTIONAL, VT_I4 },
 336     { oledbservW,  DBPROP_INIT_OLEDBSERVICES,              DBPROPOPTIONS_OPTIONAL, VT_I4 },
 337     { passwordW,   DBPROP_AUTH_PASSWORD,                   DBPROPOPTIONS_OPTIONAL, VT_BSTR },
 338     { persistEncW, DBPROP_AUTH_PERSIST_ENCRYPTED,          DBPROPOPTIONS_OPTIONAL, VT_BOOL },
 339     { persistW,    DBPROP_AUTH_PERSIST_SENSITIVE_AUTHINFO, DBPROPOPTIONS_OPTIONAL, VT_BOOL },
 340     { promptW,     DBPROP_INIT_PROMPT,                     DBPROPOPTIONS_OPTIONAL, VT_I2 },
 341     { protectW,    DBPROP_INIT_PROTECTION_LEVEL,           DBPROPOPTIONS_OPTIONAL, VT_I4 },
 342     { useridW,     DBPROP_AUTH_USERID,                     DBPROPOPTIONS_OPTIONAL, VT_BSTR },
 343 #ifndef _WIN64
 344     { winhandleW,  DBPROP_INIT_HWND,                       DBPROPOPTIONS_OPTIONAL, VT_I4 },
 345 #else
 346     { winhandleW,  DBPROP_INIT_HWND,                       DBPROPOPTIONS_OPTIONAL, VT_I8 },
 347 #endif
 348 };
 349
 350 struct dbprop_pair
 351 {
 352     struct list entry;
 353     BSTR name;
 354     BSTR value;
 355 };
 356
 357 struct dbprops
 358 {
 359     struct list props;
 360     unsigned int count;
 361 };
 362
 363 /* name/value strings are reused, so they shouldn't be freed after this call */
 364 static HRESULT add_dbprop_to_list(struct dbprops *props, BSTR name, BSTR value)
 365 {
 366     struct dbprop_pair *pair;
 367
 368     pair = heap_alloc(sizeof(*pair));
 369     if (!pair)
 370         return E_OUTOFMEMORY;
 371
 372     pair->name = name;
 373     pair->value = value;
 374     list_add_tail(&props->props, &pair->entry);
 375     props->count++;
 376     return S_OK;
 377 }
 378
 379 static void free_dbprop_list(struct dbprops *props)
 380 {
 381     struct dbprop_pair *p, *p2;
 382     LIST_FOR_EACH_ENTRY_SAFE(p, p2, &props->props, struct dbprop_pair, entry)
 383     {
 384         list_remove(&p->entry);
 385         SysFreeString(p->name);
 386         SysFreeString(p->value);
 387         heap_free(p);
 388     }
 389 }
 390
 391 static HRESULT parse_init_string(const WCHAR *initstring, struct dbprops *props)
 392 {
 393     const WCHAR *start;
 394     WCHAR *eq;
 395     HRESULT hr = S_OK;
 396
 397     list_init(&props->props);
 398     props->count = 0;
 399
 400     start = initstring;
 401     while (start && (eq = strchrW(start, '=')))
 402     {
 403         static const WCHAR providerW[] = {'P','r','o','v','i','d','e','r',0};
 404         WCHAR *scol = strchrW(eq+1, ';');
 405         BSTR value, name;
 406
 407         name = SysAllocStringLen(start, eq - start);
 408         /* skip equal sign to get value */
 409         eq++;
 410         value = SysAllocStringLen(eq, scol ? scol - eq : -1);
 411
 412         /* skip semicolon if present */
 413         if (scol) scol++;
 414         start = scol;
 415
 416         if (!strcmpiW(name, providerW))
 417         {
 418             SysFreeString(name);
 419             SysFreeString(value);
 420             continue;
 421         }
 422
 423         TRACE("property (name=%s, value=%s)\n", debugstr_w(name), debugstr_w(value));
 424
 425         hr = add_dbprop_to_list(props, name, value);
 426         if (FAILED(hr))
 427         {
 428             SysFreeString(name);
 429             SysFreeString(value);
 430             break;
 431         }
 432     }
 433
 434     if (FAILED(hr))
 435         free_dbprop_list(props);
 436
 437     return hr;
 438 }
 439
 440 static const struct dbproperty *get_known_dprop_descr(BSTR name)
 441 {
 442     int min, max, n;
 443
 444     min = 0;
 445     max = sizeof(dbproperties)/sizeof(struct dbproperty) - 1;
 446
 447     while (min <= max)
 448     {
 449         int r;
 450
 451         n = (min+max)/2;
 452
 453         r = strcmpiW(dbproperties[n].name, name);
 454         if (!r)
 455             break;
 456
 457         if (r < 0)
 458             min = n+1;
 459         else
 460             max = n-1;
 461     }
 462
 463     return (min <= max) ? &dbproperties[n] : NULL;
 464 }
 465
 466 static HRESULT get_dbpropset_from_proplist(struct dbprops *props, DBPROPSET **propset)
 467 {
 468     struct dbprop_pair *pair;
 469     int i = 0;
 470     HRESULT hr;
 471
 472     *propset = CoTaskMemAlloc(sizeof(DBPROPSET));
 473     if (!*propset)
 474         return E_OUTOFMEMORY;
 475
 476     (*propset)->rgProperties = CoTaskMemAlloc(props->count*sizeof(DBPROP));
 477     if (!(*propset)->rgProperties)
 478     {
 479         CoTaskMemFree(*propset);
 480         *propset = NULL;
 481         return E_OUTOFMEMORY;
 482     }
 483
 484     (*propset)->cProperties = 0;
 485     LIST_FOR_EACH_ENTRY(pair, &props->props, struct dbprop_pair, entry)
 486     {
 487         const struct dbproperty *descr = get_known_dprop_descr(pair->name);
 488         VARIANT dest, src;
 489
 490         if (!descr)
 491         {
 492             static const WCHAR eqW[] = {'=',0};
 493             BSTR str;
 494             int len;
 495
 496             /* provider specific property is always VT_BSTR */
 497             len = SysStringLen(pair->name) + SysStringLen(pair->value) + 1 /* for '=' */;
 498             str = SysAllocStringLen(NULL, len);
 499             strcpyW(str, pair->name);
 500             strcatW(str, eqW);
 501             strcatW(str, pair->value);
 502
 503             (*propset)->cProperties++;
 504             (*propset)->guidPropertySet = DBPROPSET_DBINIT;
 505             (*propset)->rgProperties[i].dwPropertyID = DBPROP_INIT_PROVIDERSTRING;
 506             (*propset)->rgProperties[i].dwOptions = DBPROPOPTIONS_REQUIRED;
 507             (*propset)->rgProperties[i].dwStatus = 0;
 508             memset(&(*propset)->rgProperties[i].colid, 0, sizeof(DBID));
 509             V_VT(&(*propset)->rgProperties[i].vValue) = VT_BSTR;
 510             V_BSTR(&(*propset)->rgProperties[i].vValue) = str;
 511             i++;
 512             continue;
 513         }
 514
 515         V_VT(&src) = VT_BSTR;
 516         V_BSTR(&src) = pair->value;
 517
 518         VariantInit(&dest);
 519         hr = VariantChangeType(&dest, &src, 0, descr->type);
 520         if (FAILED(hr))
 521         {
 522             ERR("failed to init property %s value as type %d\n", debugstr_w(pair->name), descr->type);
 523             free_dbpropset(1, *propset);
 524             *propset = NULL;
 525             return hr;
 526         }
 527
 528         (*propset)->cProperties++;
 529         (*propset)->guidPropertySet = DBPROPSET_DBINIT;
 530         (*propset)->rgProperties[i].dwPropertyID = descr->id;
 531         (*propset)->rgProperties[i].dwOptions = descr->options;
 532         (*propset)->rgProperties[i].dwStatus = 0;
 533         memset(&(*propset)->rgProperties[i].colid, 0, sizeof(DBID));
 534         (*propset)->rgProperties[i].vValue = dest;
 535         i++;
 536     }
 537
 538     return S_OK;
 539 }
 540
 541 /*** IDataInitialize methods ***/
 542 static void datasource_release(BOOL created, IUnknown **datasource)
 543 {
 544     if (!created)
 545         return;
 546
 547     IUnknown_Release(*datasource);
 548     *datasource = NULL;
 549 }
 550
 551 static inline WCHAR *strdupW(const WCHAR *src)
 552 {
 553     WCHAR *dest;
 554     if (!src) return NULL;
 555     dest = heap_alloc((strlenW(src)+1)*sizeof(WCHAR));
 556     if (dest)
 557         strcpyW(dest, src);
 558     return dest;
 559 }
 560
 561 static WCHAR *strstriW(const WCHAR *str, const WCHAR *sub)
 562 {
 563     LPWSTR strlower, sublower, r;
 564     strlower = CharLowerW(strdupW(str));
 565     sublower = CharLowerW(strdupW(sub));
 566     r = strstrW(strlower, sublower);
 567     if (r)
 568         r = (LPWSTR)str + (r - strlower);
 569     heap_free(strlower);
 570     heap_free(sublower);
 571     return r;
 572 }
 573
 574 static HRESULT WINAPI datainit_GetDataSource(IDataInitialize *iface, IUnknown *outer, DWORD clsctx,
 575                                 LPWSTR initstring, REFIID riid, IUnknown **datasource)
 576 {
 577     static const WCHAR providerW[] = {'P','r','o','v','i','d','e','r','=',0};
 578     static const WCHAR msdasqlW[] = {'M','S','D','A','S','Q','L',0};
 579     datainit *This = impl_from_IDataInitialize(iface);
 580     BOOL datasource_created = FALSE;
 581     IDBProperties *dbprops;
 582     DBPROPSET *propset;
 583     WCHAR *prov = NULL;
 584     CLSID provclsid;
 585     HRESULT hr;
 586
 587     TRACE("(%p)->(%p 0x%x %s %s %p)\n", This, outer, clsctx, debugstr_w(initstring), debugstr_guid(riid), datasource);
 588
 589     /* first get provider name */
 590     provclsid = IID_NULL;
 591     if (initstring && (prov = strstriW(initstring, providerW)))
 592     {
 593         WCHAR *start, *progid;
 594         int len;
 595
 596         prov += sizeof(providerW)/sizeof(WCHAR)-1;
 597         start = prov;
 598         while (*prov && *prov != ';')
 599             ++prov;
 600         TRACE("got provider %s\n", debugstr_wn(start, prov-start));
 601
 602         len = prov - start;
 603         progid = CoTaskMemAlloc((len+1)*sizeof(WCHAR));
 604         if (!progid) return E_OUTOFMEMORY;
 605
 606         memcpy(progid, start, len*sizeof(WCHAR));
 607         progid[len] = 0;
 608
 609         hr = CLSIDFromProgID(progid, &provclsid);
 610         CoTaskMemFree(progid);
 611         if (FAILED(hr))
 612         {
 613             ERR("provider %s not registered\n", debugstr_wn(start, prov-start));
 614             return hr;
 615         }
 616     }
 617     else
 618     {
 619         hr = CLSIDFromProgID(msdasqlW, &provclsid);
 620         if (FAILED(hr))
 621             ERR("ODBC provider for OLE DB not registered\n");
 622     }
 623
 624     /* check for provider mismatch if it was specified in init string */
 625     if (*datasource && prov)
 626     {
 627         DBPROPIDSET propidset;
 628         enum DBPROPENUM prop;
 629         CLSID initprov;
 630         ULONG count;
 631
 632         hr = IUnknown_QueryInterface(*datasource, &IID_IDBProperties, (void**)&dbprops);
 633         if (FAILED(hr))
 634         {
 635             WARN("provider doesn't support IDBProperties\n");
 636             return hr;
 637         }
 638
 639         prop = DBPROP_INIT_DATASOURCE;
 640         propidset.rgPropertyIDs = &prop;
 641         propidset.cPropertyIDs = 1;
 642         propidset.guidPropertySet = DBPROPSET_DBINIT;
 643         count = 0;
 644         propset = NULL;
 645         hr = IDBProperties_GetProperties(dbprops, 1, &propidset, &count, &propset);
 646         IDBProperties_Release(dbprops);
 647         if (FAILED(hr))
 648         {
 649             WARN("GetProperties failed for datasource, 0x%08x\n", hr);
 650             return hr;
 651         }
 652
 653         TRACE("initial data source provider %s\n", debugstr_w(V_BSTR(&propset->rgProperties[0].vValue)));
 654         initprov = IID_NULL;
 655         hr = CLSIDFromProgID(V_BSTR(&propset->rgProperties[0].vValue), &initprov);
 656         free_dbpropset(count, propset);
 657
 658         if (FAILED(hr) || !IsEqualIID(&provclsid, &initprov)) return DB_E_MISMATCHEDPROVIDER;
 659     }
 660
 661     if (!*datasource)
 662     {
 663         if (!IsEqualIID(&provclsid, &IID_NULL))
 664             hr = CoCreateInstance(&provclsid, outer, clsctx, riid, (void**)datasource);
 665
 666         if (FAILED(hr) && IsEqualIID(riid, &IID_IDBInitialize))
 667             hr = create_db_init(datasource);
 668
 669         datasource_created = *datasource != NULL;
 670     }
 671
 672     /* now set properties */
 673     if (initstring)
 674     {
 675         struct dbprops props;
 676
 677         hr = IUnknown_QueryInterface(*datasource, &IID_IDBProperties, (void**)&dbprops);
 678         if (FAILED(hr))
 679         {
 680             ERR("provider doesn't support IDBProperties\n");
 681             datasource_release(datasource_created, datasource);
 682             return hr;
 683         }
 684
 685         hr = parse_init_string(initstring, &props);
 686         if (FAILED(hr))
 687         {
 688             datasource_release(datasource_created, datasource);
 689             return hr;
 690         }
 691
 692         hr = get_dbpropset_from_proplist(&props, &propset);
 693         free_dbprop_list(&props);
 694         if (FAILED(hr))
 695         {
 696             datasource_release(datasource_created, datasource);
 697             return hr;
 698         }
 699
 700         hr = IDBProperties_SetProperties(dbprops, 1, propset);
 701         IDBProperties_Release(dbprops);
 702         free_dbpropset(1, propset);
 703         if (FAILED(hr))
 704         {
 705             ERR("SetProperties failed, 0x%08x\n", hr);
 706             datasource_release(datasource_created, datasource);
 707             return hr;
 708         }
 709     }
 710
 711     return hr;
 712 }
 713
 714 /* returns character length of string representation */
 715 static int get_propvalue_length(DBPROP *prop)
 716 {
 717     VARIANT str;
 718     HRESULT hr;
 719
 720     if (V_VT(&prop->vValue) == VT_BSTR) return SysStringLen(V_BSTR(&prop->vValue));
 721
 722     VariantInit(&str);
 723     hr = VariantChangeType(&str, &prop->vValue, 0, VT_BSTR);
 724     if (hr == S_OK)
 725     {
 726         int len = SysStringLen(V_BSTR(&str));
 727         VariantClear(&str);
 728         return len;
 729     }
 730
 731     return 0;
 732 }
 733
 734 static void write_propvalue_str(WCHAR *str, DBPROP *prop)
 735 {
 736     VARIANT *v = &prop->vValue;
 737     VARIANT vstr;
 738     HRESULT hr;
 739
 740     if (V_VT(v) == VT_BSTR)
 741     {
 742         strcatW(str, V_BSTR(v));
 743         return;
 744     }
 745
 746     VariantInit(&vstr);
 747     hr = VariantChangeType(&vstr, v, VARIANT_ALPHABOOL, VT_BSTR);
 748     if (hr == S_OK)
 749     {
 750         strcatW(str, V_BSTR(&vstr));
 751         VariantClear(&vstr);
 752     }
 753 }
 754
 755 static WCHAR *get_propinfo_descr(DBPROP *prop, DBPROPINFOSET *propinfoset)
 756 {
 757     ULONG i;
 758
 759     for (i = 0; i < propinfoset->cPropertyInfos; i++)
 760         if (propinfoset->rgPropertyInfos[i].dwPropertyID == prop->dwPropertyID)
 761             return propinfoset->rgPropertyInfos[i].pwszDescription;
 762
 763     return NULL;
 764 }
 765
 766 static void free_dbpropinfoset(ULONG count, DBPROPINFOSET *propinfoset)
 767 {
 768     ULONG i;
 769
 770     for (i = 0; i < count; i++)
 771     {
 772         ULONG p;
 773
 774         for (p = 0; p < propinfoset[i].cPropertyInfos; p++)
 775             VariantClear(&propinfoset[i].rgPropertyInfos[p].vValues);
 776
 777         CoTaskMemFree(propinfoset[i].rgPropertyInfos);
 778     }
 779     CoTaskMemFree(propinfoset);
 780 }
 781
 782 static HRESULT WINAPI datainit_GetInitializationString(IDataInitialize *iface, IUnknown *datasource,
 783                                 boolean include_pass, LPWSTR *init_string)
 784 {
 785     static const WCHAR provW[] = {'P','r','o','v','i','d','e','r','=',0};
 786     static const WCHAR colW[] = {';',0};
 787     datainit *This = impl_from_IDataInitialize(iface);
 788     DBPROPINFOSET *propinfoset;
 789     IDBProperties *props;
 790     DBPROPIDSET propidset;
 791     ULONG count, infocount;
 792     WCHAR *progid, *desc;
 793     DBPROPSET *propset;
 794     IPersist *persist;
 795     HRESULT hr;
 796     CLSID clsid;
 797     ULONG i, len;
 798
 799     TRACE("(%p)->(%p %d %p)\n", This, datasource, include_pass, init_string);
 800
 801     /* IPersist support is mandatory for data sources */
 802     hr = IUnknown_QueryInterface(datasource, &IID_IPersist, (void**)&persist);
 803     if (FAILED(hr)) return hr;
 804
 805     memset(&clsid, 0, sizeof(clsid));
 806     hr = IPersist_GetClassID(persist, &clsid);
 807     IPersist_Release(persist);
 808     if (FAILED(hr)) return hr;
 809
 810     progid = NULL;
 811     ProgIDFromCLSID(&clsid, &progid);
 812     TRACE("clsid=%s, progid=%s\n", debugstr_guid(&clsid), debugstr_w(progid));
 813
 814     /* now get initialization properties */
 815     hr = IUnknown_QueryInterface(datasource, &IID_IDBProperties, (void**)&props);
 816     if (FAILED(hr))
 817     {
 818         WARN("IDBProperties not supported\n");
 819         CoTaskMemFree(progid);
 820         return hr;
 821     }
 822
 823     propidset.rgPropertyIDs = NULL;
 824     propidset.cPropertyIDs = 0;
 825     propidset.guidPropertySet = DBPROPSET_DBINIT;
 826     propset = NULL;
 827     count = 0;
 828     hr = IDBProperties_GetProperties(props, 1, &propidset, &count, &propset);
 829     if (FAILED(hr))
 830     {
 831         WARN("failed to get data source properties, 0x%08x\n", hr);
 832         CoTaskMemFree(progid);
 833         return hr;
 834     }
 835
 836     infocount = 0;
 837     IDBProperties_GetPropertyInfo(props, 1, &propidset, &infocount, &propinfoset, &desc);
 838     IDBProperties_Release(props);
 839
 840     /* check if we need to skip password */
 841     len = strlenW(progid) + strlenW(provW) + 1; /* including ';' */
 842     for (i = 0; i < count; i++)
 843     {
 844         WCHAR *descr = get_propinfo_descr(&propset->rgProperties[i], propinfoset);
 845         if (descr)
 846         {
 847             /* include '=' and ';' */
 848             len += strlenW(descr) + 2;
 849             len += get_propvalue_length(&propset->rgProperties[i]);
 850         }
 851
 852         if ((propset->rgProperties[i].dwPropertyID == DBPROP_AUTH_PERSIST_SENSITIVE_AUTHINFO) &&
 853             (V_BOOL(&propset->rgProperties[i].vValue) == VARIANT_FALSE))
 854            include_pass = FALSE;
 855     }
 856
 857     len *= sizeof(WCHAR);
 858     *init_string = CoTaskMemAlloc(len);
 859     *init_string[0] = 0;
 860
 861     /* provider name */
 862     strcatW(*init_string, provW);
 863     strcatW(*init_string, progid);
 864     strcatW(*init_string, colW);
 865     CoTaskMemFree(progid);
 866
 867     for (i = 0; i < count; i++)
 868     {
 869         WCHAR *descr;
 870
 871         if (!include_pass && propset->rgProperties[i].dwPropertyID == DBPROP_AUTH_PASSWORD) continue;
 872
 873         descr = get_propinfo_descr(&propset->rgProperties[i], propinfoset);
 874         if (descr)
 875         {
 876             static const WCHAR eqW[] = {'=',0};
 877             strcatW(*init_string, descr);
 878             strcatW(*init_string, eqW);
 879             write_propvalue_str(*init_string, &propset->rgProperties[i]);
 880             strcatW(*init_string, colW);
 881         }
 882     }
 883
 884     free_dbpropset(count, propset);
 885     free_dbpropinfoset(infocount, propinfoset);
 886     CoTaskMemFree(desc);
 887
 888     if (!include_pass)
 889         TRACE("%s\n", debugstr_w(*init_string));
 890     return S_OK;
 891 }
 892
 893 static HRESULT WINAPI datainit_CreateDBInstance(IDataInitialize *iface, REFCLSID provider,
 894                                 IUnknown *outer, DWORD clsctx, LPWSTR reserved, REFIID riid,
 895                                 IUnknown **datasource)
 896 {
 897     datainit *This = impl_from_IDataInitialize(iface);
 898
 899     TRACE("(%p)->(%s %p 0x%08x %s %s %p)\n", This, debugstr_guid(provider), outer, clsctx, debugstr_w(reserved),
 900         debugstr_guid(riid), datasource);
 901
 902     return CoCreateInstance(provider, outer, clsctx, riid, (void**)datasource);
 903 }
 904
 905 static HRESULT WINAPI datainit_RemoteCreateDBInstanceEx(IDataInitialize *iface, REFCLSID clsidProvider,
 906                                 IUnknown *pUnkOuter, DWORD dwClsCtx, LPWSTR pwszReserved, COSERVERINFO *pServerInfo,
 907                                 DWORD cmq, GUID **rgpIID, IUnknown **rgpItf, HRESULT *rghr)
 908 {
 909     datainit *This = impl_from_IDataInitialize(iface);
 910
 911     FIXME("(%p)->()\n", This);
 912
 913     return E_NOTIMPL;
 914 }
 915
 916 static HRESULT WINAPI datainit_LoadStringFromStorage(IDataInitialize *iface, LPWSTR pwszFileName,
 917                                 LPWSTR *ppwszInitializationString)
 918 {
 919     datainit *This = impl_from_IDataInitialize(iface);
 920
 921     FIXME("(%p)->(%s %p)\n", This, debugstr_w(pwszFileName), ppwszInitializationString);
 922
 923     return E_NOTIMPL;
 924 }
 925
 926 static HRESULT WINAPI datainit_WriteStringToStorage(IDataInitialize *iface, LPWSTR pwszFileName,
 927                                 LPWSTR pwszInitializationString, DWORD dwCreationDisposition)
 928 {
 929     datainit *This = impl_from_IDataInitialize(iface);
 930
 931     FIXME("(%p)->(%s %s %d)\n", This, debugstr_w(pwszFileName), debugstr_w(pwszInitializationString), dwCreationDisposition);
 932
 933     return E_NOTIMPL;
 934 }
 935
 936
 937 static const struct IDataInitializeVtbl datainit_vtbl =
 938 {
 939     datainit_QueryInterface,
 940     datainit_AddRef,
 941     datainit_Release,
 942     datainit_GetDataSource,
 943     datainit_GetInitializationString,
 944     datainit_CreateDBInstance,
 945     datainit_RemoteCreateDBInstanceEx,
 946     datainit_LoadStringFromStorage,
 947     datainit_WriteStringToStorage
 948 };
 949
 950 HRESULT create_data_init(IUnknown *outer, void **obj)
 951 {
 952     datainit *This;
 953
 954     TRACE("(%p)\n", obj);
 955
 956     if(outer) return CLASS_E_NOAGGREGATION;
 957
 958     *obj = NULL;
 959
 960     This = heap_alloc(sizeof(*This));
 961     if(!This) return E_OUTOFMEMORY;
 962
 963     This->IDataInitialize_iface.lpVtbl = &datainit_vtbl;
 964     This->ref = 1;
 965
 966     *obj = &This->IDataInitialize_iface;
 967
 968     return S_OK;
 969 }