reactos/lib/ole32/ole16.c

   1 /*
   2  * 16 bit ole functions
   3  *
   4  * Copyright 1995 Martin von Loewis
   5  * Copyright 1998 Justin Bradford
   6  * Copyright 1999 Francis Beaudet
   7  * Copyright 1999 Sylvain St-Germain
   8  * Copyright 2002 Marcus Meissner
   9  *
  10  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Lesser General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2.1 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public
  21  * License along with this library; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  23  */
  24
  25 #include "config.h"
  26
  27 #include <stdlib.h>
  28 #include <stdarg.h>
  29 #include <stdio.h>
  30 #include <string.h>
  31 #include <assert.h>
  32
  33 #include "windef.h"
  34 #include "winbase.h"
  35 #include "winuser.h"
  36 #include "objbase.h"
  37 #include "ole2.h"
  38 #include "ole2ver.h"
  39 #include "rpc.h"
  40 #include "winerror.h"
  41 #include "winreg.h"
  42 #include "wownt32.h"
  43 #include "wtypes.h"
  44 #include "wine/unicode.h"
  45 #include "wine/winbase16.h"
  46 #include "compobj_private.h"
  47 #include "ifs.h"
  48
  49 #include "wine/debug.h"
  50
  51 WINE_DEFAULT_DEBUG_CHANNEL(ole);
  52
  53 static HTASK16 hETask = 0;
  54 static WORD Table_ETask[62];
  55
  56 static LPMALLOC16 currentMalloc16=NULL;
  57
  58 /* --- IMalloc16 implementation */
  59
  60
  61 typedef struct
  62 {
  63         /* IUnknown fields */
  64         const IMalloc16Vtbl    *lpVtbl;
  65         DWORD                   ref;
  66         /* IMalloc16 fields */
  67 } IMalloc16Impl;
  68
  69 /******************************************************************************
  70  *              IMalloc16_QueryInterface        [COMPOBJ.500]
  71  */
  72 HRESULT IMalloc16_fnQueryInterface(IMalloc16* iface,REFIID refiid,LPVOID *obj) {
  73         IMalloc16Impl *This = (IMalloc16Impl *)iface;
  74
  75         TRACE("(%p)->QueryInterface(%s,%p)\n",This,debugstr_guid(refiid),obj);
  76         if (    !memcmp(&IID_IUnknown,refiid,sizeof(IID_IUnknown)) ||
  77                 !memcmp(&IID_IMalloc,refiid,sizeof(IID_IMalloc))
  78         ) {
  79                 *obj = This;
  80                 return 0;
  81         }
  82         return OLE_E_ENUM_NOMORE;
  83 }
  84
  85 /******************************************************************************
  86  *              IMalloc16_AddRef        [COMPOBJ.501]
  87  */
  88 ULONG IMalloc16_fnAddRef(IMalloc16* iface) {
  89         IMalloc16Impl *This = (IMalloc16Impl *)iface;
  90         TRACE("(%p)->AddRef()\n",This);
  91         return 1; /* cannot be freed */
  92 }
  93
  94 /******************************************************************************
  95  *              IMalloc16_Release       [COMPOBJ.502]
  96  */
  97 ULONG IMalloc16_fnRelease(IMalloc16* iface) {
  98         IMalloc16Impl *This = (IMalloc16Impl *)iface;
  99         TRACE("(%p)->Release()\n",This);
 100         return 1; /* cannot be freed */
 101 }
 102
 103 /******************************************************************************
 104  * IMalloc16_Alloc [COMPOBJ.503]
 105  */
 106 SEGPTR IMalloc16_fnAlloc(IMalloc16* iface,DWORD cb) {
 107         IMalloc16Impl *This = (IMalloc16Impl *)iface;
 108         TRACE("(%p)->Alloc(%ld)\n",This,cb);
 109         return MapLS( HeapAlloc( GetProcessHeap(), 0, cb ) );
 110 }
 111
 112 /******************************************************************************
 113  * IMalloc16_Free [COMPOBJ.505]
 114  */
 115 VOID IMalloc16_fnFree(IMalloc16* iface,SEGPTR pv)
 116 {
 117     void *ptr = MapSL(pv);
 118     IMalloc16Impl *This = (IMalloc16Impl *)iface;
 119     TRACE("(%p)->Free(%08lx)\n",This,pv);
 120     UnMapLS(pv);
 121     HeapFree( GetProcessHeap(), 0, ptr );
 122 }
 123
 124 /******************************************************************************
 125  * IMalloc16_Realloc [COMPOBJ.504]
 126  */
 127 SEGPTR IMalloc16_fnRealloc(IMalloc16* iface,SEGPTR pv,DWORD cb)
 128 {
 129     SEGPTR ret;
 130     IMalloc16Impl *This = (IMalloc16Impl *)iface;
 131     TRACE("(%p)->Realloc(%08lx,%ld)\n",This,pv,cb);
 132     if (!pv)
 133         ret = IMalloc16_fnAlloc(iface, cb);
 134     else if (cb) {
 135         ret = MapLS( HeapReAlloc( GetProcessHeap(), 0, MapSL(pv), cb ) );
 136         UnMapLS(pv);
 137     } else {
 138         IMalloc16_fnFree(iface, pv);
 139         ret = 0;
 140     }
 141     return ret;
 142 }
 143
 144 /******************************************************************************
 145  * IMalloc16_GetSize [COMPOBJ.506]
 146  */
 147 DWORD IMalloc16_fnGetSize(const IMalloc16* iface,SEGPTR pv)
 148 {
 149         IMalloc16Impl *This = (IMalloc16Impl *)iface;
 150         TRACE("(%p)->GetSize(%08lx)\n",This,pv);
 151         return HeapSize( GetProcessHeap(), 0, MapSL(pv) );
 152 }
 153
 154 /******************************************************************************
 155  * IMalloc16_DidAlloc [COMPOBJ.507]
 156  */
 157 INT16 IMalloc16_fnDidAlloc(const IMalloc16* iface,LPVOID pv) {
 158         IMalloc16 *This = (IMalloc16 *)iface;
 159         TRACE("(%p)->DidAlloc(%p)\n",This,pv);
 160         return (INT16)-1;
 161 }
 162
 163 /******************************************************************************
 164  * IMalloc16_HeapMinimize [COMPOBJ.508]
 165  */
 166 LPVOID IMalloc16_fnHeapMinimize(IMalloc16* iface) {
 167         IMalloc16Impl *This = (IMalloc16Impl *)iface;
 168         TRACE("(%p)->HeapMinimize()\n",This);
 169         return NULL;
 170 }
 171
 172 /******************************************************************************
 173  * IMalloc16_Constructor [VTABLE]
 174  */
 175 LPMALLOC16
 176 IMalloc16_Constructor()
 177 {
 178     static IMalloc16Vtbl vt16;
 179     static SEGPTR msegvt16;
 180     IMalloc16Impl* This;
 181     HMODULE16 hcomp = GetModuleHandle16("COMPOBJ");
 182
 183     This = HeapAlloc( GetProcessHeap(), 0, sizeof(IMalloc16Impl) );
 184     if (!msegvt16)
 185     {
 186 #define VTENT(x) vt16.x = (void*)GetProcAddress16(hcomp,"IMalloc16_"#x);assert(vt16.x)
 187         VTENT(QueryInterface);
 188         VTENT(AddRef);
 189         VTENT(Release);
 190         VTENT(Alloc);
 191         VTENT(Realloc);
 192         VTENT(Free);
 193         VTENT(GetSize);
 194         VTENT(DidAlloc);
 195         VTENT(HeapMinimize);
 196 #undef VTENT
 197         msegvt16 = MapLS( &vt16 );
 198     }
 199     This->lpVtbl = (const IMalloc16Vtbl*)msegvt16;
 200     This->ref = 1;
 201     return (LPMALLOC16)MapLS( This );
 202 }
 203
 204
 205 /***********************************************************************
 206  *           CoGetMalloc    [COMPOBJ.4]
 207  *
 208  * Retrieve the current win16 IMalloc interface.
 209  *
 210  * RETURNS
 211  *      The current win16 IMalloc
 212  */
 213 HRESULT WINAPI CoGetMalloc16(
 214         DWORD dwMemContext,     /* [in] unknown */
 215         LPMALLOC16 * lpMalloc   /* [out] current win16 malloc interface */
 216 ) {
 217     if(!currentMalloc16)
 218         currentMalloc16 = IMalloc16_Constructor();
 219     *lpMalloc = currentMalloc16;
 220     return S_OK;
 221 }
 222
 223 /***********************************************************************
 224  *           CoCreateStandardMalloc [COMPOBJ.71]
 225  */
 226 HRESULT WINAPI CoCreateStandardMalloc16(DWORD dwMemContext,
 227                                           LPMALLOC16 *lpMalloc)
 228 {
 229     /* FIXME: docu says we shouldn't return the same allocator as in
 230      * CoGetMalloc16 */
 231     *lpMalloc = IMalloc16_Constructor();
 232     return S_OK;
 233 }
 234
 235 /******************************************************************************
 236  *              CoInitialize    [COMPOBJ.2]
 237  * Set the win16 IMalloc used for memory management
 238  */
 239 HRESULT WINAPI CoInitialize16(
 240         LPVOID lpReserved       /* [in] pointer to win16 malloc interface */
 241 ) {
 242     currentMalloc16 = (LPMALLOC16)lpReserved;
 243     return S_OK;
 244 }
 245
 246 /***********************************************************************
 247  *           CoUninitialize   [COMPOBJ.3]
 248  * Don't know what it does.
 249  * 3-Nov-98 -- this was originally misspelled, I changed it to what I
 250  *   believe is the correct spelling
 251  */
 252 void WINAPI CoUninitialize16(void)
 253 {
 254   TRACE("()\n");
 255   CoFreeAllLibraries();
 256 }
 257
 258 /***********************************************************************
 259  *           IsEqualGUID [COMPOBJ.18]
 260  *
 261  * Compares two Unique Identifiers.
 262  *
 263  * RETURNS
 264  *      TRUE if equal
 265  */
 266 BOOL16 WINAPI IsEqualGUID16(
 267         GUID* g1,       /* [in] unique id 1 */
 268         GUID* g2)       /* [in] unique id 2 */
 269 {
 270     return !memcmp( g1, g2, sizeof(GUID) );
 271 }
 272
 273 /******************************************************************************
 274  *              CLSIDFromString [COMPOBJ.20]
 275  * Converts a unique identifier from its string representation into
 276  * the GUID struct.
 277  *
 278  * Class id: DWORD-WORD-WORD-BYTES[2]-BYTES[6]
 279  *
 280  * RETURNS
 281  *      the converted GUID
 282  */
 283 HRESULT WINAPI CLSIDFromString16(
 284         LPCOLESTR16 idstr,      /* [in] string representation of guid */
 285         CLSID *id)              /* [out] GUID converted from string */
 286 {
 287
 288   return __CLSIDFromStringA(idstr,id);
 289 }
 290
 291 /******************************************************************************
 292  *              _xmalloc16      [internal]
 293  * Allocates size bytes from the standard ole16 allocator.
 294  *
 295  * RETURNS
 296  *      the allocated segmented pointer and a HRESULT
 297  */
 298 static HRESULT
 299 _xmalloc16(DWORD size, SEGPTR *ptr) {
 300   LPMALLOC16 mllc;
 301   DWORD args[2];
 302
 303   if (CoGetMalloc16(0,&mllc))
 304     return E_OUTOFMEMORY;
 305
 306   args[0] = (DWORD)mllc;
 307   args[1] = size;
 308   /* No need for a Callback entry, we have WOWCallback16Ex which does
 309    * everything we need.
 310    */
 311   if (!WOWCallback16Ex(
 312       (DWORD)((const IMalloc16Vtbl*)MapSL(
 313           (SEGPTR)((LPMALLOC16)MapSL((SEGPTR)mllc))->lpVtbl  )
 314       )->Alloc,
 315       WCB16_CDECL,
 316       2*sizeof(DWORD),
 317       (LPVOID)args,
 318       (LPDWORD)ptr
 319   )) {
 320       ERR("CallTo16 IMalloc16 (%ld) failed\n",size);
 321       return E_FAIL;
 322   }
 323   return S_OK;
 324 }
 325
 326 /******************************************************************************
 327  *              StringFromCLSID [COMPOBJ.19]
 328  * Converts a GUID into the respective string representation.
 329  * The target string is allocated using the OLE IMalloc.
 330  *
 331  * RETURNS
 332  *      the string representation and HRESULT
 333  */
 334
 335 HRESULT WINAPI StringFromCLSID16(
 336   REFCLSID id,          /* [in] the GUID to be converted */
 337   LPOLESTR16 *idstr     /* [out] a pointer to a to-be-allocated segmented pointer pointing to the resulting string */
 338
 339 ) {
 340   HRESULT ret;
 341
 342   ret = _xmalloc16(40,(SEGPTR*)idstr);
 343   if (ret != S_OK)
 344     return ret;
 345   return WINE_StringFromCLSID(id,MapSL((SEGPTR)*idstr));
 346 }
 347
 348 /******************************************************************************
 349  * ProgIDFromCLSID [COMPOBJ.62]
 350  *
 351  * Converts a class id into the respective Program ID. (By using a registry lookup)
 352  *
 353  * RETURNS
 354  *  S_OK on success
 355  *  riid associated with the progid
 356  */
 357 HRESULT WINAPI ProgIDFromCLSID16(
 358   REFCLSID clsid, /* [in] class id as found in registry */
 359   LPOLESTR16 *lplpszProgID/* [out] associated Prog ID */
 360 ) {
 361   static const WCHAR wszProgID[] = {'P','r','o','g','I','D',0};
 362   HKEY     hkey;
 363   HRESULT  ret;
 364   LONG     len;
 365   char    *buffer;
 366
 367   ret = COM_OpenKeyForCLSID(clsid, wszProgID, KEY_READ, &hkey);
 368   if (FAILED(ret))
 369     return ret;
 370
 371   if (RegQueryValueA(hkey, NULL, NULL, &len))
 372     ret = REGDB_E_READREGDB;
 373
 374   if (ret == S_OK)
 375   {
 376     buffer = HeapAlloc(GetProcessHeap(), 0, len);
 377     if (RegQueryValueA(hkey, NULL, buffer, &len))
 378       ret = REGDB_E_READREGDB;
 379
 380     if (ret == S_OK)
 381     {
 382       ret = _xmalloc16(len, (SEGPTR*)lplpszProgID);
 383       if (ret == S_OK)
 384         strcpy(MapSL((SEGPTR)*lplpszProgID),buffer);
 385     }
 386     HeapFree(GetProcessHeap(), 0, buffer);
 387   }
 388   RegCloseKey(hkey);
 389   return ret;
 390 }
 391
 392 /***********************************************************************
 393  *           LookupETask (COMPOBJ.94)
 394  */
 395 HRESULT WINAPI LookupETask16(HTASK16 *hTask,LPVOID p) {
 396         FIXME("(%p,%p),stub!\n",hTask,p);
 397         if ((*hTask = GetCurrentTask()) == hETask) {
 398                 memcpy(p, Table_ETask, sizeof(Table_ETask));
 399         }
 400         return 0;
 401 }
 402
 403 /***********************************************************************
 404  *           SetETask (COMPOBJ.95)
 405  */
 406 HRESULT WINAPI SetETask16(HTASK16 hTask, LPVOID p) {
 407         FIXME("(%04x,%p),stub!\n",hTask,p);
 408         hETask = hTask;
 409         return 0;
 410 }
 411
 412 /***********************************************************************
 413  *           CALLOBJECTINWOW (COMPOBJ.201)
 414  */
 415 HRESULT WINAPI CallObjectInWOW(LPVOID p1,LPVOID p2) {
 416         FIXME("(%p,%p),stub!\n",p1,p2);
 417         return 0;
 418 }
 419
 420 /******************************************************************************
 421  *              CoRegisterClassObject   [COMPOBJ.5]
 422  *
 423  * Don't know where it registers it ...
 424  */
 425 HRESULT WINAPI CoRegisterClassObject16(
 426         REFCLSID rclsid,
 427         LPUNKNOWN pUnk,
 428         DWORD dwClsContext, /* [in] CLSCTX flags indicating the context in which to run the executable */
 429         DWORD flags,        /* [in] REGCLS flags indicating how connections are made */
 430         LPDWORD lpdwRegister
 431 ) {
 432         FIXME("(%s,%p,0x%08lx,0x%08lx,%p),stub\n",
 433                 debugstr_guid(rclsid),pUnk,dwClsContext,flags,lpdwRegister
 434         );
 435         return 0;
 436 }
 437
 438 /******************************************************************************
 439  *      CoRevokeClassObject [COMPOBJ.6]
 440  *
 441  */
 442 HRESULT WINAPI CoRevokeClassObject16(DWORD dwRegister) /* [in] token on class obj */
 443 {
 444     FIXME("(0x%08lx),stub!\n", dwRegister);
 445     return 0;
 446 }
 447
 448 /******************************************************************************
 449  *      CoFileTimeToDosDateTime [COMPOBJ.30]
 450  */
 451 BOOL16 WINAPI CoFileTimeToDosDateTime16(const FILETIME *ft, LPWORD lpDosDate, LPWORD lpDosTime)
 452 {
 453     return FileTimeToDosDateTime(ft, lpDosDate, lpDosTime);
 454 }
 455
 456 /******************************************************************************
 457  *      CoDosDateTimeToFileTime [COMPOBJ.31]
 458  */
 459 BOOL16 WINAPI CoDosDateTimeToFileTime16(WORD wDosDate, WORD wDosTime, FILETIME *ft)
 460 {
 461     return DosDateTimeToFileTime(wDosDate, wDosTime, ft);
 462 }
 463
 464 /******************************************************************************
 465  *              CoRegisterMessageFilter [COMPOBJ.27]
 466  */
 467 HRESULT WINAPI CoRegisterMessageFilter16(
 468         LPMESSAGEFILTER lpMessageFilter,
 469         LPMESSAGEFILTER *lplpMessageFilter
 470 ) {
 471         FIXME("(%p,%p),stub!\n",lpMessageFilter,lplpMessageFilter);
 472         return 0;
 473 }
 474
 475 /******************************************************************************
 476  *              CoLockObjectExternal    [COMPOBJ.63]
 477  */
 478 HRESULT WINAPI CoLockObjectExternal16(
 479     LPUNKNOWN pUnk,             /* [in] object to be locked */
 480     BOOL16 fLock,               /* [in] do lock */
 481     BOOL16 fLastUnlockReleases  /* [in] ? */
 482 ) {
 483     FIXME("(%p,%d,%d),stub!\n",pUnk,fLock,fLastUnlockReleases);
 484     return S_OK;
 485 }
 486
 487 /***********************************************************************
 488  *           CoGetState [COMPOBJ.115]
 489  */
 490 HRESULT WINAPI CoGetState16(LPDWORD state)
 491 {
 492     FIXME("(%p),stub!\n", state);
 493
 494     *state = 0;
 495     return S_OK;
 496 }
 497
 498 /***********************************************************************
 499  *      DllEntryPoint                   [COMPOBJ.116]
 500  *
 501  *    Initialization code for the COMPOBJ DLL
 502  *
 503  * RETURNS:
 504  */
 505 BOOL WINAPI COMPOBJ_DllEntryPoint(DWORD Reason, HINSTANCE16 hInst, WORD ds, WORD HeapSize, DWORD res1, WORD res2)
 506 {
 507         TRACE("(%08lx, %04x, %04x, %04x, %08lx, %04x)\n", Reason, hInst, ds, HeapSize, res1, res2);
 508         return TRUE;
 509 }
 510
 511 /***********************************************************************
 512  *           CoMemAlloc [COMPOBJ.151]
 513  */
 514 SEGPTR WINAPI CoMemAlloc(DWORD size, DWORD dwMemContext, DWORD x) {
 515         HRESULT         hres;
 516         SEGPTR          segptr;
 517
 518         /* FIXME: check context handling */
 519         TRACE("(%ld, 0x%08lx, 0x%08lx)\n", size, dwMemContext, x);
 520         hres = _xmalloc16(size, &segptr);
 521         if (hres != S_OK)
 522                 return (SEGPTR)0;
 523         return segptr;
 524 }
 525
 526 /******************************************************************************
 527  *              CLSIDFromProgID [COMPOBJ.61]
 528  *
 529  * Converts a program ID into the respective GUID.
 530  *
 531  * PARAMS
 532  *  progid       [I] program id as found in registry
 533  *  riid         [O] associated CLSID
 534  *
 535  * RETURNS
 536  *      Success: S_OK
 537  *  Failure: CO_E_CLASSSTRING - the given ProgID cannot be found.
 538  */
 539 HRESULT WINAPI CLSIDFromProgID16(LPCOLESTR16 progid, LPCLSID riid)
 540 {
 541         char    *buf,buf2[80];
 542         LONG    buf2len;
 543         HRESULT err;
 544         HKEY    xhkey;
 545
 546         buf = HeapAlloc(GetProcessHeap(),0,strlen(progid)+8);
 547         sprintf(buf,"%s\\CLSID",progid);
 548         if ((err=RegOpenKeyA(HKEY_CLASSES_ROOT,buf,&xhkey))) {
 549                 HeapFree(GetProcessHeap(),0,buf);
 550                 return CO_E_CLASSSTRING;
 551         }
 552         HeapFree(GetProcessHeap(),0,buf);
 553         buf2len = sizeof(buf2);
 554         if ((err=RegQueryValueA(xhkey,NULL,buf2,&buf2len))) {
 555                 RegCloseKey(xhkey);
 556                 return CO_E_CLASSSTRING;
 557         }
 558         RegCloseKey(xhkey);
 559         return __CLSIDFromStringA(buf2,riid);
 560 }
 561
 562 /***********************************************************************
 563  *           CoGetClassObject [COMPOBJ.7]
 564  *
 565  */
 566 HRESULT WINAPI CoGetClassObject16(
 567     REFCLSID rclsid, DWORD dwClsContext, COSERVERINFO *pServerInfo,
 568     REFIID iid, LPVOID *ppv)
 569 {
 570     FIXME(", stub!\n\tCLSID:\t%s,\n\tIID:\t%s\n", debugstr_guid(rclsid), debugstr_guid(iid));
 571
 572     if (pServerInfo) {
 573         FIXME("\tpServerInfo: name=%s\n",debugstr_w(pServerInfo->pwszName));
 574         FIXME("\t\tpAuthInfo=%p\n",pServerInfo->pAuthInfo);
 575     }
 576     return E_NOTIMPL;
 577 }
 578
 579 /***********************************************************************
 580  *           CoCreateInstance [COMPOBJ.13]
 581  */
 582 HRESULT WINAPI CoCreateInstance16(
 583         REFCLSID rclsid,
 584         LPUNKNOWN pUnkOuter,
 585         DWORD dwClsContext,
 586         REFIID iid,
 587         LPVOID *ppv)
 588 {
 589   FIXME("(%s, %p, %lx, %s, %p), stub!\n",
 590         debugstr_guid(rclsid), pUnkOuter, dwClsContext, debugstr_guid(iid),
 591         ppv
 592   );
 593   return E_NOTIMPL;
 594 }
 595
 596 /***********************************************************************
 597  *           DllGetClassObject                          [OLE2.4]
 598  */
 599 HRESULT WINAPI DllGetClassObject16(REFCLSID rclsid, REFIID iid, LPVOID *ppv)
 600 {
 601   FIXME("(%s, %s, %p): stub\n", debugstr_guid(rclsid), debugstr_guid(iid), ppv);
 602   return E_NOTIMPL;
 603 }
 604
 605 /******************************************************************************
 606  *              GetRunningObjectTable (OLE2.30)
 607  */
 608 HRESULT WINAPI
 609 GetRunningObjectTable16(DWORD reserved, LPRUNNINGOBJECTTABLE *pprot)
 610 {
 611     FIXME("(%ld,%p),stub!\n",reserved,pprot);
 612     return E_NOTIMPL;
 613 }