dlls/ole32/moniker.c

   1 /*
   2  *      Monikers
   3  *
   4  *      Copyright 1998  Marcus Meissner
   5  *      Copyright 1999  Noomen Hamza
   6  *      Copyright 2005  Robert Shearman (for CodeWeavers)
   7  *      Copyright 2007  Robert Shearman
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  */
  23
  24 #include "config.h"
  25 #include "wine/port.h"
  26
  27 #include <stdarg.h>
  28 #include <string.h>
  29
  30 #define COBJMACROS
  31
  32 #include "winerror.h"
  33 #include "windef.h"
  34 #include "winbase.h"
  35 #include "winuser.h"
  36 #include "wtypes.h"
  37 #include "ole2.h"
  38
  39 #include "wine/list.h"
  40 #include "wine/debug.h"
  41 #include "wine/unicode.h"
  42 #include "wine/exception.h"
  43
  44 #include "compobj_private.h"
  45 #include "moniker.h"
  46 #include "irot.h"
  47
  48 WINE_DEFAULT_DEBUG_CHANNEL(ole);
  49
  50 /* see MSDN docs for IROTData::GetComparisonData, which states what this
  51  * constant is
  52  */
  53 #define MAX_COMPARISON_DATA 2048
  54
  55 static LONG WINAPI rpc_filter(EXCEPTION_POINTERS *eptr)
  56 {
  57     return I_RpcExceptionFilter(eptr->ExceptionRecord->ExceptionCode);
  58 }
  59
  60 /* define the structure of the running object table elements */
  61 struct rot_entry
  62 {
  63     struct list        entry;
  64     InterfaceData* object; /* marshaled running object*/
  65     MonikerComparisonData* moniker_data; /* moniker comparison data that identifies this object */
  66     DWORD              cookie; /* cookie identifying this object */
  67     FILETIME           last_modified;
  68     IrotContextHandle  ctxt_handle;
  69 };
  70
  71 /* define the RunningObjectTableImpl structure */
  72 typedef struct RunningObjectTableImpl
  73 {
  74     const IRunningObjectTableVtbl *lpVtbl;
  75     LONG ref;
  76
  77     struct list rot; /* list of ROT entries */
  78     CRITICAL_SECTION lock;
  79 } RunningObjectTableImpl;
  80
  81 static RunningObjectTableImpl* runningObjectTableInstance = NULL;
  82 static IrotHandle irot_handle;
  83
  84 /* define the EnumMonikerImpl structure */
  85 typedef struct EnumMonikerImpl
  86 {
  87     const IEnumMonikerVtbl *lpVtbl;
  88     LONG ref;
  89
  90     InterfaceList *moniker_list;
  91     ULONG pos;
  92 } EnumMonikerImpl;
  93
  94
  95 /* IEnumMoniker Local functions*/
  96 static HRESULT EnumMonikerImpl_CreateEnumROTMoniker(InterfaceList *moniker_list,
  97     ULONG pos, IEnumMoniker **ppenumMoniker);
  98
  99 static IrotHandle get_irot_handle(void)
 100 {
 101     if (!irot_handle)
 102     {
 103         RPC_STATUS status;
 104         RPC_WSTR binding;
 105         IrotHandle new_handle;
 106         unsigned short ncacn_np[] = IROT_PROTSEQ;
 107         unsigned short endpoint[] = IROT_ENDPOINT;
 108         status = RpcStringBindingComposeW(NULL, ncacn_np, NULL, endpoint, NULL, &binding);
 109         if (status == RPC_S_OK)
 110         {
 111             status = RpcBindingFromStringBindingW(binding, &new_handle);
 112             RpcStringFreeW(&binding);
 113         }
 114         if (status != RPC_S_OK)
 115             return NULL;
 116         if (InterlockedCompareExchangePointer(&irot_handle, new_handle, NULL))
 117             /* another thread beat us to it */
 118             RpcBindingFree(&new_handle);
 119     }
 120     return irot_handle;
 121 }
 122
 123 static BOOL start_rpcss(void)
 124 {
 125     PROCESS_INFORMATION pi;
 126     STARTUPINFOW si;
 127     static WCHAR cmd[6];
 128     static const WCHAR rpcss[] = {'r','p','c','s','s',0};
 129     BOOL rslt;
 130
 131     TRACE("\n");
 132
 133     ZeroMemory(&pi, sizeof(PROCESS_INFORMATION));
 134     ZeroMemory(&si, sizeof(STARTUPINFOA));
 135     si.cb = sizeof(STARTUPINFOA);
 136
 137     memcpy(cmd, rpcss, sizeof(rpcss));
 138
 139     rslt = CreateProcessW(
 140                           NULL,           /* executable */
 141                           cmd,            /* command line */
 142                           NULL,           /* process security attributes */
 143                           NULL,           /* primary thread security attributes */
 144                           FALSE,          /* inherit handles */
 145                           0,              /* creation flags */
 146                           NULL,           /* use parent's environment */
 147                           NULL,           /* use parent's current directory */
 148                           &si,            /* STARTUPINFO pointer */
 149                           &pi             /* PROCESS_INFORMATION */
 150                           );
 151
 152     if (rslt)
 153     {
 154         CloseHandle(pi.hProcess);
 155         CloseHandle(pi.hThread);
 156         Sleep(100);
 157     }
 158
 159     return rslt;
 160 }
 161
 162 static HRESULT create_stream_on_mip_ro(const InterfaceData *mip, IStream **stream)
 163 {
 164     HGLOBAL hglobal = GlobalAlloc(0, mip->ulCntData);
 165     void *pv = GlobalLock(hglobal);
 166     memcpy(pv, mip->abData, mip->ulCntData);
 167     GlobalUnlock(hglobal);
 168     return CreateStreamOnHGlobal(hglobal, TRUE, stream);
 169 }
 170
 171 static inline void rot_entry_delete(struct rot_entry *rot_entry)
 172 {
 173     if (rot_entry->cookie)
 174     {
 175         InterfaceData *object = NULL;
 176         InterfaceData *moniker = NULL;
 177         __TRY
 178         {
 179             IrotRevoke(get_irot_handle(), rot_entry->cookie,
 180                        &rot_entry->ctxt_handle, &object, &moniker);
 181         }
 182         __EXCEPT(rpc_filter)
 183         {
 184         }
 185         __ENDTRY
 186         MIDL_user_free(object);
 187         if (moniker)
 188         {
 189             IStream *stream;
 190             HRESULT hr;
 191             hr = create_stream_on_mip_ro(moniker, &stream);
 192             if (hr == S_OK)
 193             {
 194                 CoReleaseMarshalData(stream);
 195                 IUnknown_Release(stream);
 196             }
 197         }
 198         MIDL_user_free(moniker);
 199     }
 200     if (rot_entry->object)
 201     {
 202         IStream *stream;
 203         HRESULT hr;
 204         hr = create_stream_on_mip_ro(rot_entry->object, &stream);
 205         if (hr == S_OK)
 206         {
 207             CoReleaseMarshalData(stream);
 208             IUnknown_Release(stream);
 209         }
 210     }
 211     HeapFree(GetProcessHeap(), 0, rot_entry->object);
 212     HeapFree(GetProcessHeap(), 0, rot_entry->moniker_data);
 213     HeapFree(GetProcessHeap(), 0, rot_entry);
 214 }
 215
 216 /* moniker_data must be freed with HeapFree when no longer in use */
 217 static HRESULT get_moniker_comparison_data(IMoniker *pMoniker, MonikerComparisonData **moniker_data)
 218 {
 219     HRESULT hr;
 220     IROTData *pROTData = NULL;
 221     hr = IMoniker_QueryInterface(pMoniker, &IID_IROTData, (void *)&pROTData);
 222     if (SUCCEEDED(hr))
 223     {
 224         ULONG size = MAX_COMPARISON_DATA;
 225         *moniker_data = HeapAlloc(GetProcessHeap(), 0, FIELD_OFFSET(MonikerComparisonData, abData[size]));
 226         if (!*moniker_data)
 227         {
 228             IROTData_Release(pROTData);
 229             return E_OUTOFMEMORY;
 230         }
 231         hr = IROTData_GetComparisonData(pROTData, (*moniker_data)->abData, size, &size);
 232         IROTData_Release(pROTData);
 233         if (hr != S_OK)
 234         {
 235             ERR("Failed to copy comparison data into buffer, hr = 0x%08x\n", hr);
 236             HeapFree(GetProcessHeap(), 0, *moniker_data);
 237             return hr;
 238         }
 239         (*moniker_data)->ulCntData = size;
 240     }
 241     else
 242     {
 243         IBindCtx *pbc;
 244         LPOLESTR pszDisplayName;
 245         CLSID clsid;
 246         int len;
 247
 248         TRACE("generating comparison data from display name\n");
 249
 250         hr = CreateBindCtx(0, &pbc);
 251         if (FAILED(hr))
 252             return hr;
 253         hr = IMoniker_GetDisplayName(pMoniker, pbc, NULL, &pszDisplayName);
 254         IBindCtx_Release(pbc);
 255         if (FAILED(hr))
 256             return hr;
 257         hr = IMoniker_GetClassID(pMoniker, &clsid);
 258         if (FAILED(hr))
 259         {
 260             CoTaskMemFree(pszDisplayName);
 261             return hr;
 262         }
 263
 264         len = strlenW(pszDisplayName);
 265         *moniker_data = HeapAlloc(GetProcessHeap(), 0,
 266             FIELD_OFFSET(MonikerComparisonData, abData[sizeof(CLSID) + (len+1)*sizeof(WCHAR)]));
 267         if (!*moniker_data)
 268         {
 269             CoTaskMemFree(pszDisplayName);
 270             return E_OUTOFMEMORY;
 271         }
 272         (*moniker_data)->ulCntData = sizeof(CLSID) + (len+1)*sizeof(WCHAR);
 273
 274         memcpy(&(*moniker_data)->abData[0], &clsid, sizeof(clsid));
 275         memcpy(&(*moniker_data)->abData[sizeof(clsid)], pszDisplayName, (len+1)*sizeof(WCHAR));
 276         CoTaskMemFree(pszDisplayName);
 277     }
 278     return S_OK;
 279 }
 280
 281 static HRESULT reduce_moniker(IMoniker *pmk, IBindCtx *pbc, IMoniker **pmkReduced)
 282 {
 283     IBindCtx *pbcNew = NULL;
 284     HRESULT hr;
 285     if (!pbc)
 286     {
 287         hr = CreateBindCtx(0, &pbcNew);
 288         if (FAILED(hr))
 289             return hr;
 290         pbc = pbcNew;
 291     }
 292     hr = IMoniker_Reduce(pmk, pbc, MKRREDUCE_ALL, NULL, pmkReduced);
 293     if (FAILED(hr))
 294         ERR("reducing moniker failed with error 0x%08x\n", hr);
 295     if (pbcNew) IBindCtx_Release(pbcNew);
 296     return hr;
 297 }
 298
 299 /***********************************************************************
 300  *        RunningObjectTable_QueryInterface
 301  */
 302 static HRESULT WINAPI
 303 RunningObjectTableImpl_QueryInterface(IRunningObjectTable* iface,
 304                                       REFIID riid,void** ppvObject)
 305 {
 306     RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
 307
 308     TRACE("(%p,%p,%p)\n",This,riid,ppvObject);
 309
 310     /* validate arguments */
 311
 312     if (ppvObject==0)
 313         return E_INVALIDARG;
 314
 315     *ppvObject = 0;
 316
 317     if (IsEqualIID(&IID_IUnknown, riid) ||
 318         IsEqualIID(&IID_IRunningObjectTable, riid))
 319         *ppvObject = This;
 320
 321     if ((*ppvObject)==0)
 322         return E_NOINTERFACE;
 323
 324     IRunningObjectTable_AddRef(iface);
 325
 326     return S_OK;
 327 }
 328
 329 /***********************************************************************
 330  *        RunningObjectTable_AddRef
 331  */
 332 static ULONG WINAPI
 333 RunningObjectTableImpl_AddRef(IRunningObjectTable* iface)
 334 {
 335     RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
 336
 337     TRACE("(%p)\n",This);
 338
 339     return InterlockedIncrement(&This->ref);
 340 }
 341
 342 /***********************************************************************
 343  *        RunningObjectTable_Destroy
 344  */
 345 static HRESULT
 346 RunningObjectTableImpl_Destroy(void)
 347 {
 348     struct list *cursor, *cursor2;
 349     IrotHandle old_handle;
 350
 351     TRACE("()\n");
 352
 353     if (runningObjectTableInstance==NULL)
 354         return E_INVALIDARG;
 355
 356     /* free the ROT table memory */
 357     LIST_FOR_EACH_SAFE(cursor, cursor2, &runningObjectTableInstance->rot)
 358     {
 359         struct rot_entry *rot_entry = LIST_ENTRY(cursor, struct rot_entry, entry);
 360         list_remove(&rot_entry->entry);
 361         rot_entry_delete(rot_entry);
 362     }
 363
 364     DEBUG_CLEAR_CRITSEC_NAME(&runningObjectTableInstance->lock);
 365     DeleteCriticalSection(&runningObjectTableInstance->lock);
 366
 367     /* free the ROT structure memory */
 368     HeapFree(GetProcessHeap(),0,runningObjectTableInstance);
 369     runningObjectTableInstance = NULL;
 370
 371     old_handle = irot_handle;
 372     irot_handle = NULL;
 373     if (old_handle)
 374         RpcBindingFree(&old_handle);
 375
 376     return S_OK;
 377 }
 378
 379 /***********************************************************************
 380  *        RunningObjectTable_Release
 381  */
 382 static ULONG WINAPI
 383 RunningObjectTableImpl_Release(IRunningObjectTable* iface)
 384 {
 385     RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
 386     ULONG ref;
 387
 388     TRACE("(%p)\n",This);
 389
 390     ref = InterlockedDecrement(&This->ref);
 391
 392     /* uninitialize ROT structure if there's no more references to it */
 393     if (ref == 0)
 394     {
 395         struct list *cursor, *cursor2;
 396         LIST_FOR_EACH_SAFE(cursor, cursor2, &This->rot)
 397         {
 398             struct rot_entry *rot_entry = LIST_ENTRY(cursor, struct rot_entry, entry);
 399             list_remove(&rot_entry->entry);
 400             rot_entry_delete(rot_entry);
 401         }
 402         /*  RunningObjectTable data structure will be not destroyed here ! the destruction will be done only
 403          *  when RunningObjectTableImpl_UnInitialize function is called
 404          */
 405     }
 406
 407     return ref;
 408 }
 409
 410 /***********************************************************************
 411  *        RunningObjectTable_Register
 412  *
 413  * PARAMS
 414  * grfFlags       [in] Registration options
 415  * punkObject     [in] the object being registered
 416  * pmkObjectName  [in] the moniker of the object being registered
 417  * pdwRegister    [out] the value identifying the registration
 418  */
 419 static HRESULT WINAPI
 420 RunningObjectTableImpl_Register(IRunningObjectTable* iface, DWORD grfFlags,
 421                IUnknown *punkObject, IMoniker *pmkObjectName, DWORD *pdwRegister)
 422 {
 423     RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
 424     struct rot_entry *rot_entry;
 425     HRESULT hr = S_OK;
 426     IStream *pStream = NULL;
 427     DWORD mshlflags;
 428     IBindCtx *pbc;
 429     InterfaceData *moniker = NULL;
 430
 431     TRACE("(%p,%d,%p,%p,%p)\n",This,grfFlags,punkObject,pmkObjectName,pdwRegister);
 432
 433     if (grfFlags & ~(ROTFLAGS_REGISTRATIONKEEPSALIVE|ROTFLAGS_ALLOWANYCLIENT))
 434     {
 435         ERR("Invalid grfFlags: 0x%08x\n", grfFlags & ~(ROTFLAGS_REGISTRATIONKEEPSALIVE|ROTFLAGS_ALLOWANYCLIENT));
 436         return E_INVALIDARG;
 437     }
 438
 439     if (punkObject==NULL || pmkObjectName==NULL || pdwRegister==NULL)
 440         return E_INVALIDARG;
 441
 442     rot_entry = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*rot_entry));
 443     if (!rot_entry)
 444         return E_OUTOFMEMORY;
 445
 446     /* marshal object */
 447     hr = CreateStreamOnHGlobal(NULL, TRUE, &pStream);
 448     if (hr != S_OK)
 449     {
 450         rot_entry_delete(rot_entry);
 451         return hr;
 452     }
 453     mshlflags = (grfFlags & ROTFLAGS_REGISTRATIONKEEPSALIVE) ? MSHLFLAGS_TABLESTRONG : MSHLFLAGS_TABLEWEAK;
 454     hr = CoMarshalInterface(pStream, &IID_IUnknown, punkObject, MSHCTX_LOCAL | MSHCTX_NOSHAREDMEM, NULL, mshlflags);
 455     /* FIXME: a cleaner way would be to create an IStream class that writes
 456      * directly to an MInterfacePointer */
 457     if (hr == S_OK)
 458     {
 459         HGLOBAL hglobal;
 460         hr = GetHGlobalFromStream(pStream, &hglobal);
 461         if (hr == S_OK)
 462         {
 463             SIZE_T size = GlobalSize(hglobal);
 464             const void *pv = GlobalLock(hglobal);
 465             rot_entry->object = HeapAlloc(GetProcessHeap(), 0, FIELD_OFFSET(MInterfacePointer, abData[size]));
 466             rot_entry->object->ulCntData = size;
 467             memcpy(rot_entry->object->abData, pv, size);
 468             GlobalUnlock(hglobal);
 469         }
 470     }
 471     IStream_Release(pStream);
 472     if (hr != S_OK)
 473     {
 474         rot_entry_delete(rot_entry);
 475         return hr;
 476     }
 477
 478     hr = CreateBindCtx(0, &pbc);
 479     if (FAILED(hr))
 480     {
 481         rot_entry_delete(rot_entry);
 482         return hr;
 483     }
 484
 485     hr = reduce_moniker(pmkObjectName, pbc, &pmkObjectName);
 486     if (FAILED(hr))
 487     {
 488         rot_entry_delete(rot_entry);
 489         IBindCtx_Release(pbc);
 490         return hr;
 491     }
 492
 493     hr = IMoniker_GetTimeOfLastChange(pmkObjectName, pbc, NULL,
 494                                       &rot_entry->last_modified);
 495     IBindCtx_Release(pbc);
 496     if (FAILED(hr))
 497     {
 498         CoFileTimeNow(&rot_entry->last_modified);
 499         hr = S_OK;
 500     }
 501
 502     hr = get_moniker_comparison_data(pmkObjectName,
 503                                      &rot_entry->moniker_data);
 504     if (hr != S_OK)
 505     {
 506         rot_entry_delete(rot_entry);
 507         IMoniker_Release(pmkObjectName);
 508         return hr;
 509     }
 510
 511     hr = CreateStreamOnHGlobal(NULL, TRUE, &pStream);
 512     if (hr != S_OK)
 513     {
 514         rot_entry_delete(rot_entry);
 515         IMoniker_Release(pmkObjectName);
 516         return hr;
 517     }
 518     /* marshal moniker */
 519     hr = CoMarshalInterface(pStream, &IID_IMoniker, (IUnknown *)pmkObjectName,
 520                             MSHCTX_LOCAL | MSHCTX_NOSHAREDMEM, NULL, MSHLFLAGS_TABLESTRONG);
 521     /* FIXME: a cleaner way would be to create an IStream class that writes
 522      * directly to an MInterfacePointer */
 523     if (hr == S_OK)
 524     {
 525         HGLOBAL hglobal;
 526         hr = GetHGlobalFromStream(pStream, &hglobal);
 527         if (hr == S_OK)
 528         {
 529             SIZE_T size = GlobalSize(hglobal);
 530             const void *pv = GlobalLock(hglobal);
 531             moniker = HeapAlloc(GetProcessHeap(), 0, FIELD_OFFSET(InterfaceData, abData[size]));
 532             moniker->ulCntData = size;
 533             memcpy(moniker->abData, pv, size);
 534             GlobalUnlock(hglobal);
 535         }
 536     }
 537     IStream_Release(pStream);
 538     IMoniker_Release(pmkObjectName);
 539     if (hr != S_OK)
 540     {
 541         HeapFree(GetProcessHeap(), 0, moniker);
 542         rot_entry_delete(rot_entry);
 543         return hr;
 544     }
 545
 546
 547     while (TRUE)
 548     {
 549         __TRY
 550         {
 551             hr = IrotRegister(get_irot_handle(), rot_entry->moniker_data,
 552                               rot_entry->object, moniker,
 553                               &rot_entry->last_modified, grfFlags,
 554                               &rot_entry->cookie, &rot_entry->ctxt_handle);
 555         }
 556         __EXCEPT(rpc_filter)
 557         {
 558             hr = HRESULT_FROM_WIN32(GetExceptionCode());
 559         }
 560         __ENDTRY
 561         if (hr == HRESULT_FROM_WIN32(RPC_S_SERVER_UNAVAILABLE))
 562         {
 563             if (start_rpcss())
 564                 continue;
 565         }
 566         break;
 567     }
 568     HeapFree(GetProcessHeap(), 0, moniker);
 569     if (FAILED(hr))
 570     {
 571         rot_entry_delete(rot_entry);
 572         return hr;
 573     }
 574
 575     /* gives a registration identifier to the registered object*/
 576     *pdwRegister = rot_entry->cookie;
 577
 578     EnterCriticalSection(&This->lock);
 579     list_add_tail(&This->rot, &rot_entry->entry);
 580     LeaveCriticalSection(&This->lock);
 581
 582     return hr;
 583 }
 584
 585 /***********************************************************************
 586  *        RunningObjectTable_Revoke
 587  *
 588  * PARAMS
 589  *  dwRegister [in] Value identifying registration to be revoked
 590  */
 591 static HRESULT WINAPI
 592 RunningObjectTableImpl_Revoke( IRunningObjectTable* iface, DWORD dwRegister)
 593 {
 594     RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
 595     struct rot_entry *rot_entry;
 596
 597     TRACE("(%p,%d)\n",This,dwRegister);
 598
 599     EnterCriticalSection(&This->lock);
 600     LIST_FOR_EACH_ENTRY(rot_entry, &This->rot, struct rot_entry, entry)
 601     {
 602         if (rot_entry->cookie == dwRegister)
 603         {
 604             list_remove(&rot_entry->entry);
 605             LeaveCriticalSection(&This->lock);
 606
 607             rot_entry_delete(rot_entry);
 608             return S_OK;
 609         }
 610     }
 611     LeaveCriticalSection(&This->lock);
 612
 613     return E_INVALIDARG;
 614 }
 615
 616 /***********************************************************************
 617  *        RunningObjectTable_IsRunning
 618  *
 619  * PARAMS
 620  *  pmkObjectName [in]  moniker of the object whose status is desired
 621  */
 622 static HRESULT WINAPI
 623 RunningObjectTableImpl_IsRunning( IRunningObjectTable* iface, IMoniker *pmkObjectName)
 624 {
 625     RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
 626     MonikerComparisonData *moniker_data;
 627     HRESULT hr;
 628     const struct rot_entry *rot_entry;
 629
 630     TRACE("(%p,%p)\n",This,pmkObjectName);
 631
 632     hr = reduce_moniker(pmkObjectName, NULL, &pmkObjectName);
 633     if (FAILED(hr))
 634         return hr;
 635     hr = get_moniker_comparison_data(pmkObjectName, &moniker_data);
 636     IMoniker_Release(pmkObjectName);
 637     if (hr != S_OK)
 638         return hr;
 639
 640     hr = S_FALSE;
 641     EnterCriticalSection(&This->lock);
 642     LIST_FOR_EACH_ENTRY(rot_entry, &This->rot, const struct rot_entry, entry)
 643     {
 644         if ((rot_entry->moniker_data->ulCntData == moniker_data->ulCntData) &&
 645             !memcmp(moniker_data->abData, rot_entry->moniker_data->abData, moniker_data->ulCntData))
 646         {
 647             hr = S_OK;
 648             break;
 649         }
 650     }
 651     LeaveCriticalSection(&This->lock);
 652
 653     if (hr == S_FALSE)
 654     {
 655         while (TRUE)
 656         {
 657             __TRY
 658             {
 659                 hr = IrotIsRunning(get_irot_handle(), moniker_data);
 660             }
 661             __EXCEPT(rpc_filter)
 662             {
 663                 hr = HRESULT_FROM_WIN32(GetExceptionCode());
 664             }
 665             __ENDTRY
 666             if (hr == HRESULT_FROM_WIN32(RPC_S_SERVER_UNAVAILABLE))
 667             {
 668                 if (start_rpcss())
 669                     continue;
 670             }
 671             break;
 672         }
 673     }
 674
 675     HeapFree(GetProcessHeap(), 0, moniker_data);
 676
 677     return hr;
 678 }
 679
 680 /***********************************************************************
 681  *        RunningObjectTable_GetObject
 682  *
 683  * PARAMS
 684  * pmkObjectName [in] Pointer to the moniker on the object
 685  * ppunkObject   [out] variable that receives the IUnknown interface pointer
 686  */
 687 static HRESULT WINAPI
 688 RunningObjectTableImpl_GetObject( IRunningObjectTable* iface,
 689                      IMoniker *pmkObjectName, IUnknown **ppunkObject)
 690 {
 691     RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
 692     MonikerComparisonData *moniker_data;
 693     InterfaceData *object = NULL;
 694     IrotCookie cookie;
 695     HRESULT hr;
 696     struct rot_entry *rot_entry;
 697
 698     TRACE("(%p,%p,%p)\n",This,pmkObjectName,ppunkObject);
 699
 700     if (ppunkObject == NULL)
 701         return E_POINTER;
 702
 703     *ppunkObject = NULL;
 704
 705     hr = reduce_moniker(pmkObjectName, NULL, &pmkObjectName);
 706     if (FAILED(hr))
 707         return hr;
 708     hr = get_moniker_comparison_data(pmkObjectName, &moniker_data);
 709     IMoniker_Release(pmkObjectName);
 710     if (hr != S_OK)
 711         return hr;
 712
 713     EnterCriticalSection(&This->lock);
 714     LIST_FOR_EACH_ENTRY(rot_entry, &This->rot, struct rot_entry, entry)
 715     {
 716         if ((rot_entry->moniker_data->ulCntData == moniker_data->ulCntData) &&
 717             !memcmp(moniker_data->abData, rot_entry->moniker_data->abData, moniker_data->ulCntData))
 718         {
 719             IStream *pStream;
 720             hr = create_stream_on_mip_ro(rot_entry->object, &pStream);
 721             if (hr == S_OK)
 722             {
 723                 hr = CoUnmarshalInterface(pStream, &IID_IUnknown, (void **)ppunkObject);
 724                 IStream_Release(pStream);
 725             }
 726
 727             LeaveCriticalSection(&This->lock);
 728             HeapFree(GetProcessHeap(), 0, moniker_data);
 729
 730             return hr;
 731         }
 732     }
 733     LeaveCriticalSection(&This->lock);
 734
 735     TRACE("moniker unavailable locally, calling SCM\n");
 736
 737     while (TRUE)
 738     {
 739         __TRY
 740         {
 741             hr = IrotGetObject(get_irot_handle(), moniker_data, &object, &cookie);
 742         }
 743         __EXCEPT(rpc_filter)
 744         {
 745             hr = HRESULT_FROM_WIN32(GetExceptionCode());
 746         }
 747         __ENDTRY
 748         if (hr == HRESULT_FROM_WIN32(RPC_S_SERVER_UNAVAILABLE))
 749         {
 750             if (start_rpcss())
 751                 continue;
 752         }
 753         break;
 754     }
 755
 756     if (SUCCEEDED(hr))
 757     {
 758         IStream *pStream;
 759         hr = create_stream_on_mip_ro(object, &pStream);
 760         if (hr == S_OK)
 761         {
 762             hr = CoUnmarshalInterface(pStream, &IID_IUnknown, (void **)ppunkObject);
 763             IStream_Release(pStream);
 764         }
 765     }
 766     else
 767         WARN("Moniker unavailable, IrotGetObject returned 0x%08x\n", hr);
 768
 769     HeapFree(GetProcessHeap(), 0, moniker_data);
 770
 771     return hr;
 772 }
 773
 774 /***********************************************************************
 775  *        RunningObjectTable_NoteChangeTime
 776  *
 777  * PARAMS
 778  *  dwRegister [in] Value identifying registration being updated
 779  *  pfiletime  [in] Pointer to structure containing object's last change time
 780  */
 781 static HRESULT WINAPI
 782 RunningObjectTableImpl_NoteChangeTime(IRunningObjectTable* iface,
 783                                       DWORD dwRegister, FILETIME *pfiletime)
 784 {
 785     RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
 786     struct rot_entry *rot_entry;
 787     HRESULT hr = E_INVALIDARG;
 788
 789     TRACE("(%p,%d,%p)\n",This,dwRegister,pfiletime);
 790
 791     EnterCriticalSection(&This->lock);
 792     LIST_FOR_EACH_ENTRY(rot_entry, &This->rot, struct rot_entry, entry)
 793     {
 794         if (rot_entry->cookie == dwRegister)
 795         {
 796             rot_entry->last_modified = *pfiletime;
 797             LeaveCriticalSection(&This->lock);
 798
 799             while (TRUE)
 800             {
 801                 __TRY
 802                 {
 803                     hr = IrotNoteChangeTime(get_irot_handle(), dwRegister, pfiletime);
 804                 }
 805                 __EXCEPT(rpc_filter)
 806                 {
 807                     hr = HRESULT_FROM_WIN32(GetExceptionCode());
 808                 }
 809                 __ENDTRY
 810                 if (hr == HRESULT_FROM_WIN32(RPC_S_SERVER_UNAVAILABLE))
 811                 {
 812                     if (start_rpcss())
 813                         continue;
 814                 }
 815                 break;
 816             }
 817
 818             goto done;
 819         }
 820     }
 821     LeaveCriticalSection(&This->lock);
 822
 823 done:
 824     TRACE("-- 0x08%x\n", hr);
 825     return hr;
 826 }
 827
 828 /***********************************************************************
 829  *        RunningObjectTable_GetTimeOfLastChange
 830  *
 831  * PARAMS
 832  *  pmkObjectName  [in]  moniker of the object whose status is desired
 833  *  pfiletime      [out] structure that receives object's last change time
 834  */
 835 static HRESULT WINAPI
 836 RunningObjectTableImpl_GetTimeOfLastChange(IRunningObjectTable* iface,
 837                             IMoniker *pmkObjectName, FILETIME *pfiletime)
 838 {
 839     HRESULT hr = MK_E_UNAVAILABLE;
 840     RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
 841     MonikerComparisonData *moniker_data;
 842     const struct rot_entry *rot_entry;
 843
 844     TRACE("(%p,%p,%p)\n",This,pmkObjectName,pfiletime);
 845
 846     if (pmkObjectName==NULL || pfiletime==NULL)
 847         return E_INVALIDARG;
 848
 849     hr = reduce_moniker(pmkObjectName, NULL, &pmkObjectName);
 850     if (FAILED(hr))
 851         return hr;
 852     hr = get_moniker_comparison_data(pmkObjectName, &moniker_data);
 853     IMoniker_Release(pmkObjectName);
 854     if (hr != S_OK)
 855         return hr;
 856
 857     hr = MK_E_UNAVAILABLE;
 858
 859     EnterCriticalSection(&This->lock);
 860     LIST_FOR_EACH_ENTRY(rot_entry, &This->rot, const struct rot_entry, entry)
 861     {
 862         if ((rot_entry->moniker_data->ulCntData == moniker_data->ulCntData) &&
 863             !memcmp(moniker_data->abData, rot_entry->moniker_data->abData, moniker_data->ulCntData))
 864         {
 865             *pfiletime = rot_entry->last_modified;
 866             hr = S_OK;
 867             break;
 868         }
 869     }
 870     LeaveCriticalSection(&This->lock);
 871
 872     if (hr != S_OK)
 873     {
 874         while (TRUE)
 875         {
 876             __TRY
 877             {
 878                 hr = IrotGetTimeOfLastChange(get_irot_handle(), moniker_data, pfiletime);
 879             }
 880             __EXCEPT(rpc_filter)
 881             {
 882                 hr = HRESULT_FROM_WIN32(GetExceptionCode());
 883             }
 884             __ENDTRY
 885             if (hr == HRESULT_FROM_WIN32(RPC_S_SERVER_UNAVAILABLE))
 886             {
 887                 if (start_rpcss())
 888                     continue;
 889             }
 890             break;
 891         }
 892     }
 893
 894     HeapFree(GetProcessHeap(), 0, moniker_data);
 895
 896     TRACE("-- 0x%08x\n", hr);
 897     return hr;
 898 }
 899
 900 /***********************************************************************
 901  *        RunningObjectTable_EnumRunning
 902  *
 903  * PARAMS
 904  *  ppenumMoniker  [out]  receives the IEnumMoniker interface pointer
 905  */
 906 static HRESULT WINAPI
 907 RunningObjectTableImpl_EnumRunning(IRunningObjectTable* iface,
 908                                    IEnumMoniker **ppenumMoniker)
 909 {
 910     RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
 911     InterfaceList *interface_list = NULL;
 912     HRESULT hr;
 913
 914     TRACE("(%p, %p)\n", This, ppenumMoniker);
 915
 916     *ppenumMoniker = NULL;
 917
 918     while (TRUE)
 919     {
 920         __TRY
 921         {
 922             hr = IrotEnumRunning(get_irot_handle(), &interface_list);
 923         }
 924         __EXCEPT(rpc_filter)
 925         {
 926             hr = HRESULT_FROM_WIN32(GetExceptionCode());
 927         }
 928         __ENDTRY
 929         if (hr == HRESULT_FROM_WIN32(RPC_S_SERVER_UNAVAILABLE))
 930         {
 931             if (start_rpcss())
 932                 continue;
 933         }
 934         break;
 935     }
 936
 937     if (SUCCEEDED(hr))
 938         hr = EnumMonikerImpl_CreateEnumROTMoniker(interface_list,
 939                                                   0, ppenumMoniker);
 940
 941     return hr;
 942 }
 943
 944 /* Virtual function table for the IRunningObjectTable class. */
 945 static const IRunningObjectTableVtbl VT_RunningObjectTableImpl =
 946 {
 947     RunningObjectTableImpl_QueryInterface,
 948     RunningObjectTableImpl_AddRef,
 949     RunningObjectTableImpl_Release,
 950     RunningObjectTableImpl_Register,
 951     RunningObjectTableImpl_Revoke,
 952     RunningObjectTableImpl_IsRunning,
 953     RunningObjectTableImpl_GetObject,
 954     RunningObjectTableImpl_NoteChangeTime,
 955     RunningObjectTableImpl_GetTimeOfLastChange,
 956     RunningObjectTableImpl_EnumRunning
 957 };
 958
 959 /***********************************************************************
 960  *        RunningObjectTable_Initialize
 961  */
 962 HRESULT WINAPI RunningObjectTableImpl_Initialize(void)
 963 {
 964     TRACE("\n");
 965
 966     /* create the unique instance of the RunningObjectTableImpl structure */
 967     runningObjectTableInstance = HeapAlloc(GetProcessHeap(), 0, sizeof(RunningObjectTableImpl));
 968
 969     if (!runningObjectTableInstance)
 970         return E_OUTOFMEMORY;
 971
 972     /* initialize the virtual table function */
 973     runningObjectTableInstance->lpVtbl = &VT_RunningObjectTableImpl;
 974
 975     /* the initial reference is set to "1" so that it isn't destroyed after its
 976      * first use until the process is destroyed, as the running object table is
 977      * a process-wide cache of a global table */
 978     runningObjectTableInstance->ref = 1;
 979
 980     list_init(&runningObjectTableInstance->rot);
 981     InitializeCriticalSection(&runningObjectTableInstance->lock);
 982     DEBUG_SET_CRITSEC_NAME(&runningObjectTableInstance->lock, "RunningObjectTableImpl.lock");
 983
 984     return S_OK;
 985 }
 986
 987 /***********************************************************************
 988  *        RunningObjectTable_UnInitialize
 989  */
 990 HRESULT WINAPI RunningObjectTableImpl_UnInitialize(void)
 991 {
 992     TRACE("\n");
 993
 994     if (runningObjectTableInstance==NULL)
 995         return E_POINTER;
 996
 997     RunningObjectTableImpl_Release((IRunningObjectTable*)runningObjectTableInstance);
 998
 999     RunningObjectTableImpl_Destroy();
1000
1001     return S_OK;
1002 }
1003
1004 /***********************************************************************
1005  *           GetRunningObjectTable (OLE32.@)
1006  *
1007  * Retrieves the global running object table.
1008  *
1009  * PARAMS
1010  *  reserved [I] Reserved. Set to 0.
1011  *  pprot    [O] Address that receives the pointer to the running object table.
1012  *
1013  * RETURNS
1014  *  Success: S_OK.
1015  *  Failure: Any HRESULT code.
1016  */
1017 HRESULT WINAPI
1018 GetRunningObjectTable(DWORD reserved, LPRUNNINGOBJECTTABLE *pprot)
1019 {
1020     IID riid=IID_IRunningObjectTable;
1021     HRESULT res;
1022
1023     TRACE("()\n");
1024
1025     if (reserved!=0)
1026         return E_UNEXPECTED;
1027
1028     if(runningObjectTableInstance==NULL)
1029         return CO_E_NOTINITIALIZED;
1030
1031     res = IRunningObjectTable_QueryInterface((IRunningObjectTable*)runningObjectTableInstance,&riid,(void**)pprot);
1032
1033     return res;
1034 }
1035
1036 static HRESULT get_moniker_for_progid_display_name(LPBC pbc,
1037                                                    LPCOLESTR szDisplayName,
1038                                                    LPDWORD pchEaten,
1039                                                    LPMONIKER *ppmk)
1040 {
1041     CLSID clsid;
1042     HRESULT hr;
1043     LPWSTR progid;
1044     LPCWSTR start = szDisplayName;
1045     LPCWSTR end;
1046     int len;
1047     IMoniker *class_moniker;
1048
1049     if (*start == '@')
1050         start++;
1051
1052     /* find end delimiter */
1053     for (end = start; *end; end++)
1054         if (*end == ':')
1055             break;
1056
1057     len = end - start;
1058
1059     /* must start with '@' or have a ':' somewhere and mustn't be one character
1060      * long (since that looks like an absolute path) */
1061     if (((start == szDisplayName) && (*end == '\0')) || (len <= 1))
1062         return MK_E_SYNTAX;
1063
1064     progid = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
1065     if (progid)
1066     {
1067         memcpy(progid, start, len * sizeof(WCHAR));
1068         progid[len] = '\0';
1069     }
1070     hr = CLSIDFromProgID(progid, &clsid);
1071     HeapFree(GetProcessHeap(), 0, progid);
1072     if (FAILED(hr))
1073         return MK_E_SYNTAX;
1074
1075     hr = CreateClassMoniker(&clsid, &class_moniker);
1076     if (SUCCEEDED(hr))
1077     {
1078         IParseDisplayName *pdn;
1079         hr = IMoniker_BindToObject(class_moniker, pbc, NULL,
1080                                    &IID_IParseDisplayName, (void **)&pdn);
1081         /* fallback to using IClassFactory to get IParseDisplayName -
1082          * adsldp.dll depends on this */
1083         if (FAILED(hr))
1084         {
1085             IClassFactory *pcf;
1086             hr = IMoniker_BindToObject(class_moniker, pbc, NULL,
1087                                        &IID_IClassFactory, (void **)&pcf);
1088             if (SUCCEEDED(hr))
1089             {
1090                 hr = IClassFactory_CreateInstance(pcf, NULL,
1091                                                   &IID_IParseDisplayName,
1092                                                   (void **)&pdn);
1093                 IClassFactory_Release(pcf);
1094             }
1095         }
1096         IMoniker_Release(class_moniker);
1097         if (SUCCEEDED(hr))
1098         {
1099             hr = IParseDisplayName_ParseDisplayName(pdn, pbc,
1100                                                     (LPOLESTR)szDisplayName,
1101                                                     pchEaten, ppmk);
1102             IParseDisplayName_Release(pdn);
1103         }
1104     }
1105     return hr;
1106 }
1107
1108 /******************************************************************************
1109  *              MkParseDisplayName        [OLE32.@]
1110  */
1111 HRESULT WINAPI MkParseDisplayName(LPBC pbc, LPCOLESTR szDisplayName,
1112                                 LPDWORD pchEaten, LPMONIKER *ppmk)
1113 {
1114     HRESULT hr = MK_E_SYNTAX;
1115     static const WCHAR wszClsidColon[] = {'c','l','s','i','d',':'};
1116     IMoniker *moniker;
1117     DWORD chEaten;
1118
1119     TRACE("(%p, %s, %p, %p)\n", pbc, debugstr_w(szDisplayName), pchEaten, ppmk);
1120
1121     if (!(IsValidInterface((LPUNKNOWN) pbc)))
1122         return E_INVALIDARG;
1123
1124     *pchEaten = 0;
1125     *ppmk = NULL;
1126
1127     if (!strncmpiW(szDisplayName, wszClsidColon, sizeof(wszClsidColon)/sizeof(wszClsidColon[0])))
1128     {
1129         hr = ClassMoniker_CreateFromDisplayName(pbc, szDisplayName, &chEaten, &moniker);
1130         if (FAILED(hr) && (hr != MK_E_SYNTAX))
1131             return hr;
1132     }
1133     else
1134     {
1135         hr = get_moniker_for_progid_display_name(pbc, szDisplayName, &chEaten, &moniker);
1136         if (FAILED(hr) && (hr != MK_E_SYNTAX))
1137             return hr;
1138     }
1139
1140     if (FAILED(hr))
1141     {
1142         hr = FileMoniker_CreateFromDisplayName(pbc, szDisplayName, &chEaten, &moniker);
1143         if (FAILED(hr) && (hr != MK_E_SYNTAX))
1144             return hr;
1145     }
1146
1147     if (SUCCEEDED(hr))
1148     {
1149         while (TRUE)
1150         {
1151             IMoniker *next_moniker;
1152             *pchEaten += chEaten;
1153             szDisplayName += chEaten;
1154             if (!*szDisplayName)
1155             {
1156                 *ppmk = moniker;
1157                 return S_OK;
1158             }
1159             chEaten = 0;
1160             hr = IMoniker_ParseDisplayName(moniker, pbc, NULL,
1161                                            (LPOLESTR)szDisplayName, &chEaten,
1162                                            &next_moniker);
1163             IMoniker_Release(moniker);
1164             if (FAILED(hr))
1165             {
1166                 *pchEaten = 0;
1167                 break;
1168             }
1169             moniker = next_moniker;
1170         }
1171     }
1172
1173     return hr;
1174 }
1175
1176 /***********************************************************************
1177  *        GetClassFile (OLE32.@)
1178  *
1179  * Retrieves the class ID associated with the given filename.
1180  *
1181  * PARAMS
1182  *  filePathName [I] Filename to retrieve the class ID for.
1183  *  pclsid       [O] Address that receives the class ID for the file.
1184  *
1185  * RETURNS
1186  *  Success: S_OK.
1187  *  Failure: Any HRESULT code.
1188  */
1189 HRESULT WINAPI GetClassFile(LPCOLESTR filePathName,CLSID *pclsid)
1190 {
1191     IStorage *pstg=0;
1192     HRESULT res;
1193     int nbElm, length, i;
1194     LONG sizeProgId;
1195     LPOLESTR *pathDec=0,absFile=0,progId=0;
1196     LPWSTR extension;
1197     static const WCHAR bkslashW[] = {'\\',0};
1198     static const WCHAR dotW[] = {'.',0};
1199
1200     TRACE("%s, %p\n", debugstr_w(filePathName), pclsid);
1201
1202     /* if the file contain a storage object the return the CLSID written by IStorage_SetClass method*/
1203     if((StgIsStorageFile(filePathName))==S_OK){
1204
1205         res=StgOpenStorage(filePathName,NULL,STGM_READ | STGM_SHARE_DENY_WRITE,NULL,0,&pstg);
1206
1207         if (SUCCEEDED(res))
1208             res=ReadClassStg(pstg,pclsid);
1209
1210         IStorage_Release(pstg);
1211
1212         return res;
1213     }
1214     /* If the file is not a storage object then attempt to match various bits in the file against a
1215        pattern in the registry. This case is not frequently used, so I present only the pseudocode for
1216        this case.
1217
1218      for(i=0;i<nFileTypes;i++)
1219
1220         for(i=0;j<nPatternsForType;j++){
1221
1222             PATTERN pat;
1223             HANDLE  hFile;
1224
1225             pat=ReadPatternFromRegistry(i,j);
1226             hFile=CreateFileW(filePathName,,,,,,hFile);
1227             SetFilePosition(hFile,pat.offset);
1228             ReadFile(hFile,buf,pat.size,&r,NULL);
1229             if (memcmp(buf&pat.mask,pat.pattern.pat.size)==0){
1230
1231                 *pclsid=ReadCLSIDFromRegistry(i);
1232                 return S_OK;
1233             }
1234         }
1235      */
1236
1237     /* if the above strategies fail then search for the extension key in the registry */
1238
1239     /* get the last element (absolute file) in the path name */
1240     nbElm=FileMonikerImpl_DecomposePath(filePathName,&pathDec);
1241     absFile=pathDec[nbElm-1];
1242
1243     /* failed if the path represents a directory and not an absolute file name*/
1244     if (!lstrcmpW(absFile, bkslashW))
1245         return MK_E_INVALIDEXTENSION;
1246
1247     /* get the extension of the file */
1248     extension = NULL;
1249     length=lstrlenW(absFile);
1250     for(i = length-1; (i >= 0) && *(extension = &absFile[i]) != '.'; i--)
1251         /* nothing */;
1252
1253     if (!extension || !lstrcmpW(extension, dotW))
1254         return MK_E_INVALIDEXTENSION;
1255
1256     res=RegQueryValueW(HKEY_CLASSES_ROOT, extension, NULL, &sizeProgId);
1257
1258     /* get the progId associated to the extension */
1259     progId = CoTaskMemAlloc(sizeProgId);
1260     res = RegQueryValueW(HKEY_CLASSES_ROOT, extension, progId, &sizeProgId);
1261
1262     if (res==ERROR_SUCCESS)
1263         /* return the clsid associated to the progId */
1264         res= CLSIDFromProgID(progId,pclsid);
1265
1266     for(i=0; pathDec[i]!=NULL;i++)
1267         CoTaskMemFree(pathDec[i]);
1268     CoTaskMemFree(pathDec);
1269
1270     CoTaskMemFree(progId);
1271
1272     if (res==ERROR_SUCCESS)
1273         return res;
1274
1275     return MK_E_INVALIDEXTENSION;
1276 }
1277
1278 /***********************************************************************
1279  *        EnumMoniker_QueryInterface
1280  */
1281 static HRESULT WINAPI EnumMonikerImpl_QueryInterface(IEnumMoniker* iface,REFIID riid,void** ppvObject)
1282 {
1283     EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
1284
1285     TRACE("(%p,%p,%p)\n",This,riid,ppvObject);
1286
1287     /* validate arguments */
1288     if (ppvObject == NULL)
1289         return E_INVALIDARG;
1290
1291     *ppvObject = NULL;
1292
1293     if (IsEqualIID(&IID_IUnknown, riid))
1294         *ppvObject = This;
1295     else
1296         if (IsEqualIID(&IID_IEnumMoniker, riid))
1297             *ppvObject = This;
1298
1299     if ((*ppvObject)==NULL)
1300         return E_NOINTERFACE;
1301
1302     IEnumMoniker_AddRef(iface);
1303
1304     return S_OK;
1305 }
1306
1307 /***********************************************************************
1308  *        EnumMoniker_AddRef
1309  */
1310 static ULONG   WINAPI EnumMonikerImpl_AddRef(IEnumMoniker* iface)
1311 {
1312     EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
1313
1314     TRACE("(%p)\n",This);
1315
1316     return InterlockedIncrement(&This->ref);
1317 }
1318
1319 /***********************************************************************
1320  *        EnumMoniker_release
1321  */
1322 static ULONG   WINAPI EnumMonikerImpl_Release(IEnumMoniker* iface)
1323 {
1324     EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
1325     ULONG ref;
1326
1327     TRACE("(%p)\n",This);
1328
1329     ref = InterlockedDecrement(&This->ref);
1330
1331     /* uninitialize rot structure if there's no more reference to it*/
1332     if (ref == 0)
1333     {
1334         ULONG i;
1335
1336         TRACE("(%p) Deleting\n",This);
1337
1338         for (i = 0; i < This->moniker_list->size; i++)
1339             HeapFree(GetProcessHeap(), 0, This->moniker_list->interfaces[i]);
1340         HeapFree(GetProcessHeap(), 0, This->moniker_list);
1341         HeapFree(GetProcessHeap(), 0, This);
1342     }
1343
1344     return ref;
1345 }
1346 /***********************************************************************
1347  *        EnumMoniker_Next
1348  */
1349 static HRESULT   WINAPI EnumMonikerImpl_Next(IEnumMoniker* iface, ULONG celt, IMoniker** rgelt, ULONG * pceltFetched)
1350 {
1351     ULONG i;
1352     EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
1353     HRESULT hr = S_OK;
1354
1355     TRACE("(%p) TabCurrentPos %d Tablastindx %d\n", This, This->pos, This->moniker_list->size);
1356
1357     /* retrieve the requested number of moniker from the current position */
1358     for(i = 0; (This->pos < This->moniker_list->size) && (i < celt); i++)
1359     {
1360         IStream *stream;
1361         hr = create_stream_on_mip_ro(This->moniker_list->interfaces[This->pos++], &stream);
1362         if (hr != S_OK) break;
1363         hr = CoUnmarshalInterface(stream, &IID_IMoniker, (void **)&rgelt[i]);
1364         IStream_Release(stream);
1365         if (hr != S_OK) break;
1366     }
1367
1368     if (pceltFetched != NULL)
1369         *pceltFetched= i;
1370
1371     if (hr != S_OK)
1372         return hr;
1373
1374     if (i == celt)
1375         return S_OK;
1376     else
1377         return S_FALSE;
1378
1379 }
1380
1381 /***********************************************************************
1382  *        EnumMoniker_Skip
1383  */
1384 static HRESULT   WINAPI EnumMonikerImpl_Skip(IEnumMoniker* iface, ULONG celt)
1385 {
1386     EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
1387
1388     TRACE("(%p)\n",This);
1389
1390     if  (This->pos + celt >= This->moniker_list->size)
1391         return S_FALSE;
1392
1393     This->pos += celt;
1394
1395     return S_OK;
1396 }
1397
1398 /***********************************************************************
1399  *        EnumMoniker_Reset
1400  */
1401 static HRESULT   WINAPI EnumMonikerImpl_Reset(IEnumMoniker* iface)
1402 {
1403     EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
1404
1405     This->pos = 0;      /* set back to start of list */
1406
1407     TRACE("(%p)\n",This);
1408
1409     return S_OK;
1410 }
1411
1412 /***********************************************************************
1413  *        EnumMoniker_Clone
1414  */
1415 static HRESULT   WINAPI EnumMonikerImpl_Clone(IEnumMoniker* iface, IEnumMoniker ** ppenum)
1416 {
1417     EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
1418     InterfaceList *moniker_list;
1419     ULONG i;
1420
1421     TRACE("(%p)\n",This);
1422
1423     *ppenum = NULL;
1424
1425     moniker_list = HeapAlloc(GetProcessHeap(), 0, FIELD_OFFSET(InterfaceList, interfaces[This->moniker_list->size]));
1426     if (!moniker_list)
1427         return E_OUTOFMEMORY;
1428
1429     moniker_list->size = This->moniker_list->size;
1430     for (i = 0; i < This->moniker_list->size; i++)
1431     {
1432         SIZE_T size = FIELD_OFFSET(InterfaceData, abData[This->moniker_list->interfaces[i]->ulCntData]);
1433         moniker_list->interfaces[i] = HeapAlloc(GetProcessHeap(), 0, size);
1434         if (!moniker_list->interfaces[i])
1435         {
1436             ULONG end = i;
1437             for (i = 0; i < end; i++)
1438                 HeapFree(GetProcessHeap(), 0, moniker_list->interfaces[i]);
1439             HeapFree(GetProcessHeap(), 0, moniker_list);
1440             return E_OUTOFMEMORY;
1441         }
1442         memcpy(moniker_list->interfaces[i], This->moniker_list->interfaces[i], size);
1443     }
1444
1445     /* copy the enum structure */
1446     return EnumMonikerImpl_CreateEnumROTMoniker(moniker_list, This->pos, ppenum);
1447 }
1448
1449 /* Virtual function table for the IEnumMoniker class. */
1450 static const IEnumMonikerVtbl VT_EnumMonikerImpl =
1451 {
1452     EnumMonikerImpl_QueryInterface,
1453     EnumMonikerImpl_AddRef,
1454     EnumMonikerImpl_Release,
1455     EnumMonikerImpl_Next,
1456     EnumMonikerImpl_Skip,
1457     EnumMonikerImpl_Reset,
1458     EnumMonikerImpl_Clone
1459 };
1460
1461 /***********************************************************************
1462  *        EnumMonikerImpl_CreateEnumROTMoniker
1463  *        Used by EnumRunning to create the structure and EnumClone
1464  *        to copy the structure
1465  */
1466 static HRESULT EnumMonikerImpl_CreateEnumROTMoniker(InterfaceList *moniker_list,
1467                                                  ULONG current_pos,
1468                                                  IEnumMoniker **ppenumMoniker)
1469 {
1470     EnumMonikerImpl* This = NULL;
1471
1472     if (!ppenumMoniker)
1473         return E_INVALIDARG;
1474
1475     This = HeapAlloc(GetProcessHeap(), 0, sizeof(EnumMonikerImpl));
1476     if (!This) return E_OUTOFMEMORY;
1477
1478     TRACE("(%p)\n", This);
1479
1480     /* initialize the virtual table function */
1481     This->lpVtbl = &VT_EnumMonikerImpl;
1482
1483     /* the initial reference is set to "1" */
1484     This->ref = 1;                      /* set the ref count to one         */
1485     This->pos = current_pos;            /* Set the list start posn */
1486     This->moniker_list = moniker_list;
1487
1488     *ppenumMoniker =  (IEnumMoniker*)This;
1489
1490     return S_OK;
1491 }
1492
1493
1494 /* Shared implementation of moniker marshaler based on saving and loading of
1495  * monikers */
1496
1497 typedef struct MonikerMarshal
1498 {
1499     const IUnknownVtbl *lpVtbl;
1500     const IMarshalVtbl *lpVtblMarshal;
1501
1502     LONG ref;
1503     IMoniker *moniker;
1504 } MonikerMarshal;
1505
1506 static inline MonikerMarshal *impl_from_IMarshal( IMarshal *iface )
1507 {
1508     return (MonikerMarshal *)((char*)iface - FIELD_OFFSET(MonikerMarshal, lpVtblMarshal));
1509 }
1510
1511 static HRESULT WINAPI MonikerMarshalInner_QueryInterface(IUnknown *iface, REFIID riid, LPVOID *ppv)
1512 {
1513     MonikerMarshal *This = (MonikerMarshal *)iface;
1514     TRACE("(%s, %p)\n", debugstr_guid(riid), ppv);
1515     *ppv = NULL;
1516     if (IsEqualIID(&IID_IUnknown, riid) || IsEqualIID(&IID_IMarshal, riid))
1517     {
1518         *ppv = &This->lpVtblMarshal;
1519         IUnknown_AddRef((IUnknown *)&This->lpVtblMarshal);
1520         return S_OK;
1521     }
1522     FIXME("No interface for %s\n", debugstr_guid(riid));
1523     return E_NOINTERFACE;
1524 }
1525
1526 static ULONG WINAPI MonikerMarshalInner_AddRef(IUnknown *iface)
1527 {
1528     MonikerMarshal *This = (MonikerMarshal *)iface;
1529     return InterlockedIncrement(&This->ref);
1530 }
1531
1532 static ULONG WINAPI MonikerMarshalInner_Release(IUnknown *iface)
1533 {
1534     MonikerMarshal *This = (MonikerMarshal *)iface;
1535     ULONG ref = InterlockedDecrement(&This->ref);
1536
1537     if (!ref) HeapFree(GetProcessHeap(), 0, This);
1538     return ref;
1539 }
1540
1541 static const IUnknownVtbl VT_MonikerMarshalInner =
1542 {
1543     MonikerMarshalInner_QueryInterface,
1544     MonikerMarshalInner_AddRef,
1545     MonikerMarshalInner_Release
1546 };
1547
1548 static HRESULT WINAPI MonikerMarshal_QueryInterface(IMarshal *iface, REFIID riid, LPVOID *ppv)
1549 {
1550     MonikerMarshal *This = impl_from_IMarshal(iface);
1551     return IMoniker_QueryInterface(This->moniker, riid, ppv);
1552 }
1553
1554 static ULONG WINAPI MonikerMarshal_AddRef(IMarshal *iface)
1555 {
1556     MonikerMarshal *This = impl_from_IMarshal(iface);
1557     return IMoniker_AddRef(This->moniker);
1558 }
1559
1560 static ULONG WINAPI MonikerMarshal_Release(IMarshal *iface)
1561 {
1562     MonikerMarshal *This = impl_from_IMarshal(iface);
1563     return IMoniker_Release(This->moniker);
1564 }
1565
1566 static HRESULT WINAPI MonikerMarshal_GetUnmarshalClass(
1567   LPMARSHAL iface, REFIID riid, void* pv, DWORD dwDestContext,
1568   void* pvDestContext, DWORD mshlflags, CLSID* pCid)
1569 {
1570     MonikerMarshal *This = impl_from_IMarshal(iface);
1571
1572     TRACE("(%s, %p, %x, %p, %x, %p)\n", debugstr_guid(riid), pv,
1573         dwDestContext, pvDestContext, mshlflags, pCid);
1574
1575     return IMoniker_GetClassID(This->moniker, pCid);
1576 }
1577
1578 static HRESULT WINAPI MonikerMarshal_GetMarshalSizeMax(
1579   LPMARSHAL iface, REFIID riid, void* pv, DWORD dwDestContext,
1580   void* pvDestContext, DWORD mshlflags, DWORD* pSize)
1581 {
1582     MonikerMarshal *This = impl_from_IMarshal(iface);
1583     HRESULT hr;
1584     ULARGE_INTEGER size;
1585
1586     TRACE("(%s, %p, %x, %p, %x, %p)\n", debugstr_guid(riid), pv,
1587         dwDestContext, pvDestContext, mshlflags, pSize);
1588
1589     hr = IMoniker_GetSizeMax(This->moniker, &size);
1590     if (hr == S_OK)
1591         *pSize = (DWORD)size.QuadPart;
1592     return hr;
1593 }
1594
1595 static HRESULT WINAPI MonikerMarshal_MarshalInterface(LPMARSHAL iface, IStream *pStm,
1596     REFIID riid, void* pv, DWORD dwDestContext,
1597     void* pvDestContext, DWORD mshlflags)
1598 {
1599     MonikerMarshal *This = impl_from_IMarshal(iface);
1600
1601     TRACE("(%p, %s, %p, %x, %p, %x)\n", pStm, debugstr_guid(riid), pv,
1602         dwDestContext, pvDestContext, mshlflags);
1603
1604     return IMoniker_Save(This->moniker, pStm, FALSE);
1605 }
1606
1607 static HRESULT WINAPI MonikerMarshal_UnmarshalInterface(LPMARSHAL iface, IStream *pStm, REFIID riid, void **ppv)
1608 {
1609     MonikerMarshal *This = impl_from_IMarshal(iface);
1610     HRESULT hr;
1611
1612     TRACE("(%p, %s, %p)\n", pStm, debugstr_guid(riid), ppv);
1613
1614     hr = IMoniker_Load(This->moniker, pStm);
1615     if (hr == S_OK)
1616         hr = IMoniker_QueryInterface(This->moniker, riid, ppv);
1617     return hr;
1618 }
1619
1620 static HRESULT WINAPI MonikerMarshal_ReleaseMarshalData(LPMARSHAL iface, IStream *pStm)
1621 {
1622     TRACE("()\n");
1623     /* can't release a state-based marshal as nothing on server side to
1624      * release */
1625     return S_OK;
1626 }
1627
1628 static HRESULT WINAPI MonikerMarshal_DisconnectObject(LPMARSHAL iface, DWORD dwReserved)
1629 {
1630     TRACE("()\n");
1631     /* can't disconnect a state-based marshal as nothing on server side to
1632      * disconnect from */
1633     return S_OK;
1634 }
1635
1636 static const IMarshalVtbl VT_MonikerMarshal =
1637 {
1638     MonikerMarshal_QueryInterface,
1639     MonikerMarshal_AddRef,
1640     MonikerMarshal_Release,
1641     MonikerMarshal_GetUnmarshalClass,
1642     MonikerMarshal_GetMarshalSizeMax,
1643     MonikerMarshal_MarshalInterface,
1644     MonikerMarshal_UnmarshalInterface,
1645     MonikerMarshal_ReleaseMarshalData,
1646     MonikerMarshal_DisconnectObject
1647 };
1648
1649 HRESULT MonikerMarshal_Create(IMoniker *inner, IUnknown **outer)
1650 {
1651     MonikerMarshal *This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
1652     if (!This) return E_OUTOFMEMORY;
1653
1654     This->lpVtbl = &VT_MonikerMarshalInner;
1655     This->lpVtblMarshal = &VT_MonikerMarshal;
1656     This->ref = 1;
1657     This->moniker = inner;
1658
1659     *outer = (IUnknown *)&This->lpVtbl;
1660     return S_OK;
1661 }
1662
1663 void * __RPC_USER MIDL_user_allocate(SIZE_T size)
1664 {
1665     return HeapAlloc(GetProcessHeap(), 0, size);
1666 }
1667
1668 void __RPC_USER MIDL_user_free(void *p)
1669 {
1670     HeapFree(GetProcessHeap(), 0, p);
1671 }