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 * Copyright 2004 Mike Hearn
10 * Copyright 2005-2006 Robert Shearman (for CodeWeavers)
12 * This library is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU Lesser General Public
14 * License as published by the Free Software Foundation; either
15 * version 2.1 of the License, or (at your option) any later version.
17 * This library is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * Lesser General Public License for more details.
22 * You should have received a copy of the GNU Lesser General Public
23 * License along with this library; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
27 * 1. COINIT_MULTITHREADED is 0; it is the lack of COINIT_APARTMENTTHREADED
28 * Therefore do not test against COINIT_MULTITHREADED
30 * TODO list: (items bunched together depend on each other)
32 * - Implement the service control manager (in rpcss) to keep track
33 * of registered class objects: ISCM::ServerRegisterClsid et al
34 * - Implement the OXID resolver so we don't need magic endpoint names for
35 * clients and servers to meet up
37 * - Make all ole interface marshaling use NDR to be wire compatible with
50 #define NONAMELESSUNION
51 #define NONAMELESSSTRUCT
62 #include "compobj_private.h"
64 #include "wine/unicode.h"
65 #include "wine/debug.h"
67 WINE_DEFAULT_DEBUG_CHANNEL(ole);
69 HINSTANCE OLE32_hInstance = 0; /* FIXME: make static ... */
71 #define ARRAYSIZE(array) (sizeof(array)/sizeof((array)[0]))
73 /****************************************************************************
74 * This section defines variables internal to the COM module.
76 * TODO: Most of these things will have to be made thread-safe.
79 static HRESULT COM_GetRegisteredClassObject(REFCLSID rclsid, DWORD dwClsContext, LPUNKNOWN* ppUnk);
80 static void COM_RevokeAllClasses(void);
81 static HRESULT get_inproc_class_object(HKEY hkeydll, REFCLSID rclsid, REFIID riid, void **ppv);
83 static APARTMENT *MTA; /* protected by csApartment */
84 static APARTMENT *MainApartment; /* the first STA apartment */
85 static struct list apts = LIST_INIT( apts ); /* protected by csApartment */
87 static CRITICAL_SECTION csApartment;
88 static CRITICAL_SECTION_DEBUG critsect_debug =
91 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
92 0, 0, { (DWORD_PTR)(__FILE__ ": csApartment") }
94 static CRITICAL_SECTION csApartment = { &critsect_debug, -1, 0, 0, 0, 0 };
96 struct registered_psclsid
104 * This lock count counts the number of times CoInitialize is called. It is
105 * decreased every time CoUninitialize is called. When it hits 0, the COM
106 * libraries are freed
108 static LONG s_COMLockCount = 0;
109 /* Reference count used by CoAddRefServerProcess/CoReleaseServerProcess */
110 static LONG s_COMServerProcessReferences = 0;
113 * This linked list contains the list of registered class objects. These
114 * are mostly used to register the factories for out-of-proc servers of OLE
117 * TODO: Make this data structure aware of inter-process communication. This
118 * means that parts of this will be exported to the Wine Server.
120 typedef struct tagRegisteredClass
123 CLSID classIdentifier;
124 LPUNKNOWN classObject;
128 LPSTREAM pMarshaledData; /* FIXME: only really need to store OXID and IPID */
129 void *RpcRegistration;
132 static struct list RegisteredClassList = LIST_INIT(RegisteredClassList);
134 static CRITICAL_SECTION csRegisteredClassList;
135 static CRITICAL_SECTION_DEBUG class_cs_debug =
137 0, 0, &csRegisteredClassList,
138 { &class_cs_debug.ProcessLocksList, &class_cs_debug.ProcessLocksList },
139 0, 0, { (DWORD_PTR)(__FILE__ ": csRegisteredClassList") }
141 static CRITICAL_SECTION csRegisteredClassList = { &class_cs_debug, -1, 0, 0, 0, 0 };
143 /*****************************************************************************
144 * This section contains OpenDllList definitions
146 * The OpenDllList contains only handles of dll loaded by CoGetClassObject or
147 * other functions that do LoadLibrary _without_ giving back a HMODULE.
148 * Without this list these handles would never be freed.
150 * FIXME: a DLL that says OK when asked for unloading is unloaded in the
151 * next unload-call but not before 600 sec.
154 typedef struct tagOpenDll {
156 struct tagOpenDll *next;
159 static OpenDll *openDllList = NULL; /* linked list of open dlls */
161 static CRITICAL_SECTION csOpenDllList;
162 static CRITICAL_SECTION_DEBUG dll_cs_debug =
164 0, 0, &csOpenDllList,
165 { &dll_cs_debug.ProcessLocksList, &dll_cs_debug.ProcessLocksList },
166 0, 0, { (DWORD_PTR)(__FILE__ ": csOpenDllList") }
168 static CRITICAL_SECTION csOpenDllList = { &dll_cs_debug, -1, 0, 0, 0, 0 };
170 static const WCHAR wszAptWinClass[] = {'O','l','e','M','a','i','n','T','h','r','e','a','d','W','n','d','C','l','a','s','s',' ',
171 '0','x','#','#','#','#','#','#','#','#',' ',0};
172 static LRESULT CALLBACK apartment_wndproc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
174 static void COMPOBJ_DLLList_Add(HANDLE hLibrary);
175 static void COMPOBJ_DllList_FreeUnused(int Timeout);
177 static void COMPOBJ_InitProcess( void )
181 /* Dispatching to the correct thread in an apartment is done through
182 * window messages rather than RPC transports. When an interface is
183 * marshalled into another apartment in the same process, a window of the
184 * following class is created. The *caller* of CoMarshalInterface (ie the
185 * application) is responsible for pumping the message loop in that thread.
186 * The WM_USER messages which point to the RPCs are then dispatched to
187 * COM_AptWndProc by the user's code from the apartment in which the interface
190 memset(&wclass, 0, sizeof(wclass));
191 wclass.lpfnWndProc = apartment_wndproc;
192 wclass.hInstance = OLE32_hInstance;
193 wclass.lpszClassName = wszAptWinClass;
194 RegisterClassW(&wclass);
197 static void COMPOBJ_UninitProcess( void )
199 UnregisterClassW(wszAptWinClass, OLE32_hInstance);
202 static void COM_TlsDestroy(void)
204 struct oletls *info = NtCurrentTeb()->ReservedForOle;
207 if (info->apt) apartment_release(info->apt);
208 if (info->errorinfo) IErrorInfo_Release(info->errorinfo);
209 if (info->state) IUnknown_Release(info->state);
210 HeapFree(GetProcessHeap(), 0, info);
211 NtCurrentTeb()->ReservedForOle = NULL;
215 /******************************************************************************
219 /* allocates memory and fills in the necessary fields for a new apartment
220 * object. must be called inside apartment cs */
221 static APARTMENT *apartment_construct(DWORD model)
225 TRACE("creating new apartment, model=%d\n", model);
227 apt = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*apt));
228 apt->tid = GetCurrentThreadId();
230 list_init(&apt->proxies);
231 list_init(&apt->stubmgrs);
232 list_init(&apt->psclsids);
235 apt->remunk_exported = FALSE;
237 InitializeCriticalSection(&apt->cs);
238 DEBUG_SET_CRITSEC_NAME(&apt->cs, "apartment");
240 apt->multi_threaded = !(model & COINIT_APARTMENTTHREADED);
242 if (apt->multi_threaded)
244 /* FIXME: should be randomly generated by in an RPC call to rpcss */
245 apt->oxid = ((OXID)GetCurrentProcessId() << 32) | 0xcafe;
249 /* FIXME: should be randomly generated by in an RPC call to rpcss */
250 apt->oxid = ((OXID)GetCurrentProcessId() << 32) | GetCurrentThreadId();
253 TRACE("Created apartment on OXID %s\n", wine_dbgstr_longlong(apt->oxid));
255 list_add_head(&apts, &apt->entry);
260 /* gets and existing apartment if one exists or otherwise creates an apartment
261 * structure which stores OLE apartment-local information and stores a pointer
262 * to it in the thread-local storage */
263 static APARTMENT *apartment_get_or_create(DWORD model)
265 APARTMENT *apt = COM_CurrentApt();
269 if (model & COINIT_APARTMENTTHREADED)
271 EnterCriticalSection(&csApartment);
273 apt = apartment_construct(model);
278 TRACE("Created main-threaded apartment with OXID %s\n", wine_dbgstr_longlong(apt->oxid));
281 LeaveCriticalSection(&csApartment);
285 EnterCriticalSection(&csApartment);
287 /* The multi-threaded apartment (MTA) contains zero or more threads interacting
288 * with free threaded (ie thread safe) COM objects. There is only ever one MTA
292 TRACE("entering the multithreaded apartment %s\n", wine_dbgstr_longlong(MTA->oxid));
293 apartment_addref(MTA);
296 MTA = apartment_construct(model);
300 LeaveCriticalSection(&csApartment);
302 COM_CurrentInfo()->apt = apt;
308 static inline BOOL apartment_is_model(APARTMENT *apt, DWORD model)
310 return (apt->multi_threaded == !(model & COINIT_APARTMENTTHREADED));
313 DWORD apartment_addref(struct apartment *apt)
315 DWORD refs = InterlockedIncrement(&apt->refs);
316 TRACE("%s: before = %d\n", wine_dbgstr_longlong(apt->oxid), refs - 1);
320 DWORD apartment_release(struct apartment *apt)
324 EnterCriticalSection(&csApartment);
326 ret = InterlockedDecrement(&apt->refs);
327 TRACE("%s: after = %d\n", wine_dbgstr_longlong(apt->oxid), ret);
328 /* destruction stuff that needs to happen under csApartment CS */
331 if (apt == MTA) MTA = NULL;
332 else if (apt == MainApartment) MainApartment = NULL;
333 list_remove(&apt->entry);
336 LeaveCriticalSection(&csApartment);
340 struct list *cursor, *cursor2;
342 TRACE("destroying apartment %p, oxid %s\n", apt, wine_dbgstr_longlong(apt->oxid));
344 /* no locking is needed for this apartment, because no other thread
345 * can access it at this point */
347 apartment_disconnectproxies(apt);
349 if (apt->win) DestroyWindow(apt->win);
351 LIST_FOR_EACH_SAFE(cursor, cursor2, &apt->stubmgrs)
353 struct stub_manager *stubmgr = LIST_ENTRY(cursor, struct stub_manager, entry);
354 /* release the implicit reference given by the fact that the
355 * stub has external references (it must do since it is in the
356 * stub manager list in the apartment and all non-apartment users
357 * must have a ref on the apartment and so it cannot be destroyed).
359 stub_manager_int_release(stubmgr);
362 LIST_FOR_EACH_SAFE(cursor, cursor2, &apt->psclsids)
364 struct registered_psclsid *registered_psclsid =
365 LIST_ENTRY(cursor, struct registered_psclsid, entry);
367 list_remove(®istered_psclsid->entry);
368 HeapFree(GetProcessHeap(), 0, registered_psclsid);
371 /* if this assert fires, then another thread took a reference to a
372 * stub manager without taking a reference to the containing
373 * apartment, which it must do. */
374 assert(list_empty(&apt->stubmgrs));
376 if (apt->filter) IUnknown_Release(apt->filter);
378 DEBUG_CLEAR_CRITSEC_NAME(&apt->cs);
379 DeleteCriticalSection(&apt->cs);
381 HeapFree(GetProcessHeap(), 0, apt);
387 /* The given OXID must be local to this process:
389 * The ref parameter is here mostly to ensure people remember that
390 * they get one, you should normally take a ref for thread safety.
392 APARTMENT *apartment_findfromoxid(OXID oxid, BOOL ref)
394 APARTMENT *result = NULL;
397 EnterCriticalSection(&csApartment);
398 LIST_FOR_EACH( cursor, &apts )
400 struct apartment *apt = LIST_ENTRY( cursor, struct apartment, entry );
401 if (apt->oxid == oxid)
404 if (ref) apartment_addref(result);
408 LeaveCriticalSection(&csApartment);
413 /* gets the apartment which has a given creator thread ID. The caller must
414 * release the reference from the apartment as soon as the apartment pointer
415 * is no longer required. */
416 APARTMENT *apartment_findfromtid(DWORD tid)
418 APARTMENT *result = NULL;
421 EnterCriticalSection(&csApartment);
422 LIST_FOR_EACH( cursor, &apts )
424 struct apartment *apt = LIST_ENTRY( cursor, struct apartment, entry );
428 apartment_addref(result);
432 LeaveCriticalSection(&csApartment);
437 /* gets an apartment which has a given type. The caller must
438 * release the reference from the apartment as soon as the apartment pointer
439 * is no longer required. */
440 static APARTMENT *apartment_findfromtype(BOOL multi_threaded, BOOL main_apartment)
442 APARTMENT *result = NULL;
443 struct apartment *apt;
445 EnterCriticalSection(&csApartment);
447 if (!multi_threaded && main_apartment)
449 result = MainApartment;
450 if (result) apartment_addref(result);
451 LeaveCriticalSection(&csApartment);
455 LIST_FOR_EACH_ENTRY( apt, &apts, struct apartment, entry )
457 if (apt->multi_threaded == multi_threaded)
460 apartment_addref(result);
464 LeaveCriticalSection(&csApartment);
469 struct host_object_params
472 CLSID clsid; /* clsid of object to marshal */
473 IID iid; /* interface to marshal */
474 IStream *stream; /* stream that the object will be marshaled into */
477 static HRESULT apartment_hostobject(const struct host_object_params *params)
481 static const LARGE_INTEGER llZero;
485 hr = get_inproc_class_object(params->hkeydll, ¶ms->clsid, ¶ms->iid, (void **)&object);
489 hr = CoMarshalInterface(params->stream, ¶ms->iid, object, MSHCTX_INPROC, NULL, MSHLFLAGS_NORMAL);
491 IUnknown_Release(object);
492 IStream_Seek(params->stream, llZero, STREAM_SEEK_SET, NULL);
497 static LRESULT CALLBACK apartment_wndproc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
502 RPC_ExecuteCall((struct dispatch_params *)lParam);
505 return apartment_hostobject((const struct host_object_params *)lParam);
507 return DefWindowProcW(hWnd, msg, wParam, lParam);
511 HRESULT apartment_createwindowifneeded(struct apartment *apt)
513 if (apt->multi_threaded)
518 HWND hwnd = CreateWindowW(wszAptWinClass, NULL, 0,
520 0, 0, OLE32_hInstance, NULL);
523 ERR("CreateWindow failed with error %d\n", GetLastError());
524 return HRESULT_FROM_WIN32(GetLastError());
526 if (InterlockedCompareExchangePointer((PVOID *)&apt->win, hwnd, NULL))
527 /* someone beat us to it */
534 HWND apartment_getwindow(struct apartment *apt)
536 assert(!apt->multi_threaded);
540 void apartment_joinmta(void)
542 apartment_addref(MTA);
543 COM_CurrentInfo()->apt = MTA;
546 /*****************************************************************************
547 * This section contains OpenDllList implementation
550 static void COMPOBJ_DLLList_Add(HANDLE hLibrary)
557 EnterCriticalSection( &csOpenDllList );
559 if (openDllList == NULL) {
560 /* empty list -- add first node */
561 openDllList = HeapAlloc(GetProcessHeap(),0, sizeof(OpenDll));
562 openDllList->hLibrary=hLibrary;
563 openDllList->next = NULL;
565 /* search for this dll */
567 for (ptr = openDllList; ptr->next != NULL; ptr=ptr->next) {
568 if (ptr->hLibrary == hLibrary) {
574 /* dll not found, add it */
576 openDllList = HeapAlloc(GetProcessHeap(),0, sizeof(OpenDll));
577 openDllList->hLibrary = hLibrary;
578 openDllList->next = tmp;
582 LeaveCriticalSection( &csOpenDllList );
585 static void COMPOBJ_DllList_FreeUnused(int Timeout)
587 OpenDll *curr, *next, *prev = NULL;
588 typedef HRESULT (WINAPI *DllCanUnloadNowFunc)(void);
589 DllCanUnloadNowFunc DllCanUnloadNow;
593 EnterCriticalSection( &csOpenDllList );
595 for (curr = openDllList; curr != NULL; ) {
596 DllCanUnloadNow = (DllCanUnloadNowFunc) GetProcAddress(curr->hLibrary, "DllCanUnloadNow");
598 if ( (DllCanUnloadNow != NULL) && (DllCanUnloadNow() == S_OK) ) {
601 TRACE("freeing %p\n", curr->hLibrary);
602 FreeLibrary(curr->hLibrary);
604 HeapFree(GetProcessHeap(), 0, curr);
605 if (curr == openDllList) {
618 LeaveCriticalSection( &csOpenDllList );
621 /******************************************************************************
622 * CoBuildVersion [OLE32.@]
623 * CoBuildVersion [COMPOBJ.1]
625 * Gets the build version of the DLL.
630 * Current build version, hiword is majornumber, loword is minornumber
632 DWORD WINAPI CoBuildVersion(void)
634 TRACE("Returning version %d, build %d.\n", rmm, rup);
635 return (rmm<<16)+rup;
638 /******************************************************************************
639 * CoInitialize [OLE32.@]
641 * Initializes the COM libraries by calling CoInitializeEx with
642 * COINIT_APARTMENTTHREADED, ie it enters a STA thread.
645 * lpReserved [I] Pointer to IMalloc interface (obsolete, should be NULL).
648 * Success: S_OK if not already initialized, S_FALSE otherwise.
649 * Failure: HRESULT code.
654 HRESULT WINAPI CoInitialize(LPVOID lpReserved)
657 * Just delegate to the newer method.
659 return CoInitializeEx(lpReserved, COINIT_APARTMENTTHREADED);
662 /******************************************************************************
663 * CoInitializeEx [OLE32.@]
665 * Initializes the COM libraries.
668 * lpReserved [I] Pointer to IMalloc interface (obsolete, should be NULL).
669 * dwCoInit [I] One or more flags from the COINIT enumeration. See notes.
672 * S_OK if successful,
673 * S_FALSE if this function was called already.
674 * RPC_E_CHANGED_MODE if a previous call to CoInitializeEx specified another
679 * The behavior used to set the IMalloc used for memory management is
681 * The dwCoInit parameter must specify one of the following apartment
683 *| COINIT_APARTMENTTHREADED - A single-threaded apartment (STA).
684 *| COINIT_MULTITHREADED - A multi-threaded apartment (MTA).
685 * The parameter may also specify zero or more of the following flags:
686 *| COINIT_DISABLE_OLE1DDE - Don't use DDE for OLE1 support.
687 *| COINIT_SPEED_OVER_MEMORY - Trade memory for speed.
692 HRESULT WINAPI CoInitializeEx(LPVOID lpReserved, DWORD dwCoInit)
697 TRACE("(%p, %x)\n", lpReserved, (int)dwCoInit);
699 if (lpReserved!=NULL)
701 ERR("(%p, %x) - Bad parameter passed-in %p, must be an old Windows Application\n", lpReserved, (int)dwCoInit, lpReserved);
705 * Check the lock count. If this is the first time going through the initialize
706 * process, we have to initialize the libraries.
708 * And crank-up that lock count.
710 if (InterlockedExchangeAdd(&s_COMLockCount,1)==0)
713 * Initialize the various COM libraries and data structures.
715 TRACE("() - Initializing the COM libraries\n");
717 /* we may need to defer this until after apartment initialisation */
718 RunningObjectTableImpl_Initialize();
721 if (!(apt = COM_CurrentInfo()->apt))
723 apt = apartment_get_or_create(dwCoInit);
724 if (!apt) return E_OUTOFMEMORY;
726 else if (!apartment_is_model(apt, dwCoInit))
728 /* Changing the threading model after it's been set is illegal. If this warning is triggered by Wine
729 code then we are probably using the wrong threading model to implement that API. */
730 ERR("Attempt to change threading model of this apartment from %s to %s\n",
731 apt->multi_threaded ? "multi-threaded" : "apartment threaded",
732 dwCoInit & COINIT_APARTMENTTHREADED ? "apartment threaded" : "multi-threaded");
733 return RPC_E_CHANGED_MODE;
738 COM_CurrentInfo()->inits++;
743 /* On COM finalization for a STA thread, the message queue is flushed to ensure no
744 pending RPCs are ignored. Non-COM messages are discarded at this point.
746 static void COM_FlushMessageQueue(void)
749 APARTMENT *apt = COM_CurrentApt();
751 if (!apt || !apt->win) return;
753 TRACE("Flushing STA message queue\n");
755 while (PeekMessageA(&message, NULL, 0, 0, PM_REMOVE))
757 if (message.hwnd != apt->win)
759 WARN("discarding message 0x%x for window %p\n", message.message, message.hwnd);
763 TranslateMessage(&message);
764 DispatchMessageA(&message);
768 /***********************************************************************
769 * CoUninitialize [OLE32.@]
771 * This method will decrement the refcount on the current apartment, freeing
772 * the resources associated with it if it is the last thread in the apartment.
773 * If the last apartment is freed, the function will additionally release
774 * any COM resources associated with the process.
784 void WINAPI CoUninitialize(void)
786 struct oletls * info = COM_CurrentInfo();
791 /* will only happen on OOM */
797 ERR("Mismatched CoUninitialize\n");
803 apartment_release(info->apt);
808 * Decrease the reference count.
809 * If we are back to 0 locks on the COM library, make sure we free
810 * all the associated data structures.
812 lCOMRefCnt = InterlockedExchangeAdd(&s_COMLockCount,-1);
815 TRACE("() - Releasing the COM libraries\n");
817 RunningObjectTableImpl_UnInitialize();
819 /* Release the references to the registered class objects */
820 COM_RevokeAllClasses();
822 /* This will free the loaded COM Dlls */
823 CoFreeAllLibraries();
825 /* This ensures we deal with any pending RPCs */
826 COM_FlushMessageQueue();
828 else if (lCOMRefCnt<1) {
829 ERR( "CoUninitialize() - not CoInitialized.\n" );
830 InterlockedExchangeAdd(&s_COMLockCount,1); /* restore the lock count. */
834 /******************************************************************************
835 * CoDisconnectObject [OLE32.@]
837 * Disconnects all connections to this object from remote processes. Dispatches
838 * pending RPCs while blocking new RPCs from occurring, and then calls
839 * IMarshal::DisconnectObject on the given object.
841 * Typically called when the object server is forced to shut down, for instance by
845 * lpUnk [I] The object whose stub should be disconnected.
846 * reserved [I] Reserved. Should be set to 0.
850 * Failure: HRESULT code.
853 * CoMarshalInterface, CoReleaseMarshalData, CoLockObjectExternal
855 HRESULT WINAPI CoDisconnectObject( LPUNKNOWN lpUnk, DWORD reserved )
861 TRACE("(%p, 0x%08x)\n", lpUnk, reserved);
863 hr = IUnknown_QueryInterface(lpUnk, &IID_IMarshal, (void **)&marshal);
866 hr = IMarshal_DisconnectObject(marshal, reserved);
867 IMarshal_Release(marshal);
871 apt = COM_CurrentApt();
873 return CO_E_NOTINITIALIZED;
875 apartment_disconnectobject(apt, lpUnk);
877 /* Note: native is pretty broken here because it just silently
878 * fails, without returning an appropriate error code if the object was
879 * not found, making apps think that the object was disconnected, when
880 * it actually wasn't */
885 /******************************************************************************
886 * CoCreateGuid [OLE32.@]
888 * Simply forwards to UuidCreate in RPCRT4.
891 * pguid [O] Points to the GUID to initialize.
895 * Failure: HRESULT code.
900 HRESULT WINAPI CoCreateGuid(GUID *pguid)
902 return UuidCreate(pguid);
905 /******************************************************************************
906 * CLSIDFromString [OLE32.@]
907 * IIDFromString [OLE32.@]
909 * Converts a unique identifier from its string representation into
913 * idstr [I] The string representation of the GUID.
914 * id [O] GUID converted from the string.
918 * CO_E_CLASSSTRING if idstr is not a valid CLSID
923 static HRESULT WINAPI __CLSIDFromString(LPCWSTR s, CLSID *id)
929 memset( id, 0, sizeof (CLSID) );
933 /* validate the CLSID string */
934 if (strlenW(s) != 38)
935 return CO_E_CLASSSTRING;
937 if ((s[0]!='{') || (s[9]!='-') || (s[14]!='-') || (s[19]!='-') || (s[24]!='-') || (s[37]!='}'))
938 return CO_E_CLASSSTRING;
940 for (i=1; i<37; i++) {
941 if ((i == 9)||(i == 14)||(i == 19)||(i == 24)) continue;
942 if (!(((s[i] >= '0') && (s[i] <= '9')) ||
943 ((s[i] >= 'a') && (s[i] <= 'f')) ||
944 ((s[i] >= 'A') && (s[i] <= 'F'))))
945 return CO_E_CLASSSTRING;
948 TRACE("%s -> %p\n", debugstr_w(s), id);
950 /* quick lookup table */
951 memset(table, 0, 256);
953 for (i = 0; i < 10; i++) {
956 for (i = 0; i < 6; i++) {
957 table['A' + i] = i+10;
958 table['a' + i] = i+10;
961 /* in form {XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX} */
963 id->Data1 = (table[s[1]] << 28 | table[s[2]] << 24 | table[s[3]] << 20 | table[s[4]] << 16 |
964 table[s[5]] << 12 | table[s[6]] << 8 | table[s[7]] << 4 | table[s[8]]);
965 id->Data2 = table[s[10]] << 12 | table[s[11]] << 8 | table[s[12]] << 4 | table[s[13]];
966 id->Data3 = table[s[15]] << 12 | table[s[16]] << 8 | table[s[17]] << 4 | table[s[18]];
968 /* these are just sequential bytes */
969 id->Data4[0] = table[s[20]] << 4 | table[s[21]];
970 id->Data4[1] = table[s[22]] << 4 | table[s[23]];
971 id->Data4[2] = table[s[25]] << 4 | table[s[26]];
972 id->Data4[3] = table[s[27]] << 4 | table[s[28]];
973 id->Data4[4] = table[s[29]] << 4 | table[s[30]];
974 id->Data4[5] = table[s[31]] << 4 | table[s[32]];
975 id->Data4[6] = table[s[33]] << 4 | table[s[34]];
976 id->Data4[7] = table[s[35]] << 4 | table[s[36]];
981 /*****************************************************************************/
983 HRESULT WINAPI CLSIDFromString(LPOLESTR idstr, CLSID *id )
990 ret = __CLSIDFromString(idstr, id);
991 if(ret != S_OK) { /* It appears a ProgID is also valid */
992 ret = CLSIDFromProgID(idstr, id);
997 /* Converts a GUID into the respective string representation. */
998 HRESULT WINE_StringFromCLSID(
999 const CLSID *id, /* [in] GUID to be converted */
1000 LPSTR idstr /* [out] pointer to buffer to contain converted guid */
1002 static const char hex[] = "0123456789ABCDEF";
1007 { ERR("called with id=Null\n");
1012 sprintf(idstr, "{%08X-%04X-%04X-%02X%02X-",
1013 id->Data1, id->Data2, id->Data3,
1014 id->Data4[0], id->Data4[1]);
1018 for (i = 2; i < 8; i++) {
1019 *s++ = hex[id->Data4[i]>>4];
1020 *s++ = hex[id->Data4[i] & 0xf];
1026 TRACE("%p->%s\n", id, idstr);
1032 /******************************************************************************
1033 * StringFromCLSID [OLE32.@]
1034 * StringFromIID [OLE32.@]
1036 * Converts a GUID into the respective string representation.
1037 * The target string is allocated using the OLE IMalloc.
1040 * id [I] the GUID to be converted.
1041 * idstr [O] A pointer to a to-be-allocated pointer pointing to the resulting string.
1048 * StringFromGUID2, CLSIDFromString
1050 HRESULT WINAPI StringFromCLSID(REFCLSID id, LPOLESTR *idstr)
1056 if ((ret = CoGetMalloc(0,&mllc)))
1059 ret=WINE_StringFromCLSID(id,buf);
1061 DWORD len = MultiByteToWideChar( CP_ACP, 0, buf, -1, NULL, 0 );
1062 *idstr = IMalloc_Alloc( mllc, len * sizeof(WCHAR) );
1063 MultiByteToWideChar( CP_ACP, 0, buf, -1, *idstr, len );
1068 /******************************************************************************
1069 * StringFromGUID2 [OLE32.@]
1070 * StringFromGUID2 [COMPOBJ.76]
1072 * Modified version of StringFromCLSID that allows you to specify max
1076 * id [I] GUID to convert to string.
1077 * str [O] Buffer where the result will be stored.
1078 * cmax [I] Size of the buffer in characters.
1081 * Success: The length of the resulting string in characters.
1084 INT WINAPI StringFromGUID2(REFGUID id, LPOLESTR str, INT cmax)
1088 if (WINE_StringFromCLSID(id,xguid))
1090 return MultiByteToWideChar( CP_ACP, 0, xguid, -1, str, cmax );
1093 /* open HKCR\\CLSID\\{string form of clsid}\\{keyname} key */
1094 HRESULT COM_OpenKeyForCLSID(REFCLSID clsid, LPCWSTR keyname, REGSAM access, HKEY *subkey)
1096 static const WCHAR wszCLSIDSlash[] = {'C','L','S','I','D','\\',0};
1097 WCHAR path[CHARS_IN_GUID + ARRAYSIZE(wszCLSIDSlash) - 1];
1101 strcpyW(path, wszCLSIDSlash);
1102 StringFromGUID2(clsid, path + strlenW(wszCLSIDSlash), CHARS_IN_GUID);
1103 res = RegOpenKeyExW(HKEY_CLASSES_ROOT, path, 0, keyname ? KEY_READ : access, &key);
1104 if (res == ERROR_FILE_NOT_FOUND)
1105 return REGDB_E_CLASSNOTREG;
1106 else if (res != ERROR_SUCCESS)
1107 return REGDB_E_READREGDB;
1115 res = RegOpenKeyExW(key, keyname, 0, access, subkey);
1117 if (res == ERROR_FILE_NOT_FOUND)
1118 return REGDB_E_KEYMISSING;
1119 else if (res != ERROR_SUCCESS)
1120 return REGDB_E_READREGDB;
1125 /* open HKCR\\AppId\\{string form of appid clsid} key */
1126 HRESULT COM_OpenKeyForAppIdFromCLSID(REFCLSID clsid, REGSAM access, HKEY *subkey)
1128 static const WCHAR szAppId[] = { 'A','p','p','I','d',0 };
1129 static const WCHAR szAppIdKey[] = { 'A','p','p','I','d','\\',0 };
1131 WCHAR buf[CHARS_IN_GUID];
1132 WCHAR keyname[ARRAYSIZE(szAppIdKey) + CHARS_IN_GUID];
1138 /* read the AppID value under the class's key */
1139 hr = COM_OpenKeyForCLSID(clsid, NULL, KEY_READ, &hkey);
1144 res = RegQueryValueExW(hkey, szAppId, NULL, &type, (LPBYTE)buf, &size);
1146 if (res == ERROR_FILE_NOT_FOUND)
1147 return REGDB_E_KEYMISSING;
1148 else if (res != ERROR_SUCCESS || type!=REG_SZ)
1149 return REGDB_E_READREGDB;
1151 strcpyW(keyname, szAppIdKey);
1152 strcatW(keyname, buf);
1153 res = RegOpenKeyExW(HKEY_CLASSES_ROOT, keyname, 0, access, subkey);
1154 if (res == ERROR_FILE_NOT_FOUND)
1155 return REGDB_E_KEYMISSING;
1156 else if (res != ERROR_SUCCESS)
1157 return REGDB_E_READREGDB;
1162 /******************************************************************************
1163 * ProgIDFromCLSID [OLE32.@]
1165 * Converts a class id into the respective program ID.
1168 * clsid [I] Class ID, as found in registry.
1169 * ppszProgID [O] Associated ProgID.
1174 * REGDB_E_CLASSNOTREG if the given clsid has no associated ProgID
1176 HRESULT WINAPI ProgIDFromCLSID(REFCLSID clsid, LPOLESTR *ppszProgID)
1178 static const WCHAR wszProgID[] = {'P','r','o','g','I','D',0};
1185 ERR("ppszProgId isn't optional\n");
1186 return E_INVALIDARG;
1190 ret = COM_OpenKeyForCLSID(clsid, wszProgID, KEY_READ, &hkey);
1194 if (RegQueryValueW(hkey, NULL, NULL, &progidlen))
1195 ret = REGDB_E_CLASSNOTREG;
1199 *ppszProgID = CoTaskMemAlloc(progidlen * sizeof(WCHAR));
1202 if (RegQueryValueW(hkey, NULL, *ppszProgID, &progidlen))
1203 ret = REGDB_E_CLASSNOTREG;
1206 ret = E_OUTOFMEMORY;
1213 /******************************************************************************
1214 * CLSIDFromProgID [OLE32.@]
1216 * Converts a program id into the respective GUID.
1219 * progid [I] Unicode program ID, as found in registry.
1220 * clsid [O] Associated CLSID.
1224 * Failure: CO_E_CLASSSTRING - the given ProgID cannot be found.
1226 HRESULT WINAPI CLSIDFromProgID(LPCOLESTR progid, LPCLSID clsid)
1228 static const WCHAR clsidW[] = { '\\','C','L','S','I','D',0 };
1229 WCHAR buf2[CHARS_IN_GUID];
1230 LONG buf2len = sizeof(buf2);
1234 if (!progid || !clsid)
1236 ERR("neither progid (%p) nor clsid (%p) are optional\n", progid, clsid);
1237 return E_INVALIDARG;
1240 /* initialise clsid in case of failure */
1241 memset(clsid, 0, sizeof(*clsid));
1243 buf = HeapAlloc( GetProcessHeap(),0,(strlenW(progid)+8) * sizeof(WCHAR) );
1244 strcpyW( buf, progid );
1245 strcatW( buf, clsidW );
1246 if (RegOpenKeyW(HKEY_CLASSES_ROOT,buf,&xhkey))
1248 HeapFree(GetProcessHeap(),0,buf);
1249 return CO_E_CLASSSTRING;
1251 HeapFree(GetProcessHeap(),0,buf);
1253 if (RegQueryValueW(xhkey,NULL,buf2,&buf2len))
1256 return CO_E_CLASSSTRING;
1259 return CLSIDFromString(buf2,clsid);
1263 /*****************************************************************************
1264 * CoGetPSClsid [OLE32.@]
1266 * Retrieves the CLSID of the proxy/stub factory that implements
1267 * IPSFactoryBuffer for the specified interface.
1270 * riid [I] Interface whose proxy/stub CLSID is to be returned.
1271 * pclsid [O] Where to store returned proxy/stub CLSID.
1276 * REGDB_E_IIDNOTREG if no PSFactoryBuffer is associated with the IID, or it could not be parsed
1280 * The standard marshaller activates the object with the CLSID
1281 * returned and uses the CreateProxy and CreateStub methods on its
1282 * IPSFactoryBuffer interface to construct the proxies and stubs for a
1285 * CoGetPSClsid determines this CLSID by searching the
1286 * HKEY_CLASSES_ROOT\Interface\{string form of riid}\ProxyStubClsid32
1287 * in the registry and any interface id registered by
1288 * CoRegisterPSClsid within the current process.
1292 * Native returns S_OK for interfaces with a key in HKCR\Interface, but
1293 * without a ProxyStubClsid32 key and leaves garbage in pclsid. This should be
1294 * considered a bug in native unless an application depends on this (unlikely).
1297 * CoRegisterPSClsid.
1299 HRESULT WINAPI CoGetPSClsid(REFIID riid, CLSID *pclsid)
1301 static const WCHAR wszInterface[] = {'I','n','t','e','r','f','a','c','e','\\',0};
1302 static const WCHAR wszPSC[] = {'\\','P','r','o','x','y','S','t','u','b','C','l','s','i','d','3','2',0};
1303 WCHAR path[ARRAYSIZE(wszInterface) - 1 + CHARS_IN_GUID - 1 + ARRAYSIZE(wszPSC)];
1304 WCHAR value[CHARS_IN_GUID];
1307 APARTMENT *apt = COM_CurrentApt();
1308 struct registered_psclsid *registered_psclsid;
1310 TRACE("() riid=%s, pclsid=%p\n", debugstr_guid(riid), pclsid);
1314 ERR("apartment not initialised\n");
1315 return CO_E_NOTINITIALIZED;
1320 ERR("pclsid isn't optional\n");
1321 return E_INVALIDARG;
1324 EnterCriticalSection(&apt->cs);
1326 LIST_FOR_EACH_ENTRY(registered_psclsid, &apt->psclsids, struct registered_psclsid, entry)
1327 if (IsEqualIID(®istered_psclsid->iid, riid))
1329 *pclsid = registered_psclsid->clsid;
1330 LeaveCriticalSection(&apt->cs);
1334 LeaveCriticalSection(&apt->cs);
1336 /* Interface\\{string form of riid}\\ProxyStubClsid32 */
1337 strcpyW(path, wszInterface);
1338 StringFromGUID2(riid, path + ARRAYSIZE(wszInterface) - 1, CHARS_IN_GUID);
1339 strcpyW(path + ARRAYSIZE(wszInterface) - 1 + CHARS_IN_GUID - 1, wszPSC);
1341 /* Open the key.. */
1342 if (RegOpenKeyExW(HKEY_CLASSES_ROOT, path, 0, KEY_READ, &hkey))
1344 WARN("No PSFactoryBuffer object is registered for IID %s\n", debugstr_guid(riid));
1345 return REGDB_E_IIDNOTREG;
1348 /* ... Once we have the key, query the registry to get the
1349 value of CLSID as a string, and convert it into a
1350 proper CLSID structure to be passed back to the app */
1351 len = sizeof(value);
1352 if (ERROR_SUCCESS != RegQueryValueW(hkey, NULL, value, &len))
1355 return REGDB_E_IIDNOTREG;
1359 /* We have the CLSid we want back from the registry as a string, so
1360 lets convert it into a CLSID structure */
1361 if (CLSIDFromString(value, pclsid) != NOERROR)
1362 return REGDB_E_IIDNOTREG;
1364 TRACE ("() Returning CLSID=%s\n", debugstr_guid(pclsid));
1368 /*****************************************************************************
1369 * CoRegisterPSClsid [OLE32.@]
1371 * Register a proxy/stub CLSID for the given interface in the current process
1375 * riid [I] Interface whose proxy/stub CLSID is to be registered.
1376 * rclsid [I] CLSID of the proxy/stub.
1380 * Failure: E_OUTOFMEMORY
1384 * This function does not add anything to the registry and the effects are
1385 * limited to the lifetime of the current process.
1390 HRESULT WINAPI CoRegisterPSClsid(REFIID riid, REFCLSID rclsid)
1392 APARTMENT *apt = COM_CurrentApt();
1393 struct registered_psclsid *registered_psclsid;
1395 TRACE("(%s, %s)\n", debugstr_guid(riid), debugstr_guid(rclsid));
1399 ERR("apartment not initialised\n");
1400 return CO_E_NOTINITIALIZED;
1403 EnterCriticalSection(&apt->cs);
1405 LIST_FOR_EACH_ENTRY(registered_psclsid, &apt->psclsids, struct registered_psclsid, entry)
1406 if (IsEqualIID(®istered_psclsid->iid, riid))
1408 registered_psclsid->clsid = *rclsid;
1409 LeaveCriticalSection(&apt->cs);
1413 registered_psclsid = HeapAlloc(GetProcessHeap(), 0, sizeof(struct registered_psclsid));
1414 if (!registered_psclsid)
1416 LeaveCriticalSection(&apt->cs);
1417 return E_OUTOFMEMORY;
1420 registered_psclsid->iid = *riid;
1421 registered_psclsid->clsid = *rclsid;
1422 list_add_head(&apt->psclsids, ®istered_psclsid->entry);
1424 LeaveCriticalSection(&apt->cs);
1431 * COM_GetRegisteredClassObject
1433 * This internal method is used to scan the registered class list to
1434 * find a class object.
1437 * rclsid Class ID of the class to find.
1438 * dwClsContext Class context to match.
1439 * ppv [out] returns a pointer to the class object. Complying
1440 * to normal COM usage, this method will increase the
1441 * reference count on this object.
1443 static HRESULT COM_GetRegisteredClassObject(
1448 HRESULT hr = S_FALSE;
1449 RegisteredClass *curClass;
1456 EnterCriticalSection( &csRegisteredClassList );
1458 LIST_FOR_EACH_ENTRY(curClass, &RegisteredClassList, RegisteredClass, entry)
1461 * Check if we have a match on the class ID and context.
1463 if ((dwClsContext & curClass->runContext) &&
1464 IsEqualGUID(&(curClass->classIdentifier), rclsid))
1467 * We have a match, return the pointer to the class object.
1469 *ppUnk = curClass->classObject;
1471 IUnknown_AddRef(curClass->classObject);
1478 LeaveCriticalSection( &csRegisteredClassList );
1483 /******************************************************************************
1484 * CoRegisterClassObject [OLE32.@]
1486 * Registers the class object for a given class ID. Servers housed in EXE
1487 * files use this method instead of exporting DllGetClassObject to allow
1488 * other code to connect to their objects.
1491 * rclsid [I] CLSID of the object to register.
1492 * pUnk [I] IUnknown of the object.
1493 * dwClsContext [I] CLSCTX flags indicating the context in which to run the executable.
1494 * flags [I] REGCLS flags indicating how connections are made.
1495 * lpdwRegister [I] A unique cookie that can be passed to CoRevokeClassObject.
1499 * E_INVALIDARG if lpdwRegister or pUnk are NULL,
1500 * CO_E_OBJISREG if the object is already registered. We should not return this.
1503 * CoRevokeClassObject, CoGetClassObject
1506 * MSDN claims that multiple interface registrations are legal, but we
1507 * can't do that with our current implementation.
1509 HRESULT WINAPI CoRegisterClassObject(
1514 LPDWORD lpdwRegister)
1516 RegisteredClass* newClass;
1517 LPUNKNOWN foundObject;
1520 TRACE("(%s,%p,0x%08x,0x%08x,%p)\n",
1521 debugstr_guid(rclsid),pUnk,dwClsContext,flags,lpdwRegister);
1523 if ( (lpdwRegister==0) || (pUnk==0) )
1524 return E_INVALIDARG;
1526 if (!COM_CurrentApt())
1528 ERR("COM was not initialized\n");
1529 return CO_E_NOTINITIALIZED;
1534 /* REGCLS_MULTIPLEUSE implies registering as inproc server. This is what
1535 * differentiates the flag from REGCLS_MULTI_SEPARATE. */
1536 if (flags & REGCLS_MULTIPLEUSE)
1537 dwClsContext |= CLSCTX_INPROC_SERVER;
1540 * First, check if the class is already registered.
1541 * If it is, this should cause an error.
1543 hr = COM_GetRegisteredClassObject(rclsid, dwClsContext, &foundObject);
1545 if (flags & REGCLS_MULTIPLEUSE) {
1546 if (dwClsContext & CLSCTX_LOCAL_SERVER)
1547 hr = CoLockObjectExternal(foundObject, TRUE, FALSE);
1548 IUnknown_Release(foundObject);
1551 IUnknown_Release(foundObject);
1552 ERR("object already registered for class %s\n", debugstr_guid(rclsid));
1553 return CO_E_OBJISREG;
1556 newClass = HeapAlloc(GetProcessHeap(), 0, sizeof(RegisteredClass));
1557 if ( newClass == NULL )
1558 return E_OUTOFMEMORY;
1560 newClass->classIdentifier = *rclsid;
1561 newClass->runContext = dwClsContext;
1562 newClass->connectFlags = flags;
1563 newClass->pMarshaledData = NULL;
1564 newClass->RpcRegistration = NULL;
1567 * Use the address of the chain node as the cookie since we are sure it's
1568 * unique. FIXME: not on 64-bit platforms.
1570 newClass->dwCookie = (DWORD)newClass;
1573 * Since we're making a copy of the object pointer, we have to increase its
1576 newClass->classObject = pUnk;
1577 IUnknown_AddRef(newClass->classObject);
1579 EnterCriticalSection( &csRegisteredClassList );
1580 list_add_tail(&RegisteredClassList, &newClass->entry);
1581 LeaveCriticalSection( &csRegisteredClassList );
1583 *lpdwRegister = newClass->dwCookie;
1585 if (dwClsContext & CLSCTX_LOCAL_SERVER) {
1586 IClassFactory *classfac;
1588 hr = IUnknown_QueryInterface(newClass->classObject, &IID_IClassFactory,
1589 (LPVOID*)&classfac);
1592 hr = CreateStreamOnHGlobal(0, TRUE, &newClass->pMarshaledData);
1594 FIXME("Failed to create stream on hglobal, %x\n", hr);
1595 IUnknown_Release(classfac);
1598 hr = CoMarshalInterface(newClass->pMarshaledData, &IID_IClassFactory,
1599 (LPVOID)classfac, MSHCTX_LOCAL, NULL,
1600 MSHLFLAGS_TABLESTRONG);
1602 FIXME("CoMarshalInterface failed, %x!\n",hr);
1603 IUnknown_Release(classfac);
1607 IUnknown_Release(classfac);
1609 hr = RPC_StartLocalServer(&newClass->classIdentifier,
1610 newClass->pMarshaledData,
1611 flags & (REGCLS_MULTIPLEUSE|REGCLS_MULTI_SEPARATE),
1612 &newClass->RpcRegistration);
1617 /***********************************************************************
1618 * CoRevokeClassObject [OLE32.@]
1620 * Removes a class object from the class registry.
1623 * dwRegister [I] Cookie returned from CoRegisterClassObject().
1627 * Failure: HRESULT code.
1630 * CoRegisterClassObject
1632 HRESULT WINAPI CoRevokeClassObject(
1635 HRESULT hr = E_INVALIDARG;
1636 RegisteredClass *curClass;
1638 TRACE("(%08x)\n",dwRegister);
1640 EnterCriticalSection( &csRegisteredClassList );
1642 LIST_FOR_EACH_ENTRY(curClass, &RegisteredClassList, RegisteredClass, entry)
1645 * Check if we have a match on the cookie.
1647 if (curClass->dwCookie == dwRegister)
1649 list_remove(&curClass->entry);
1651 if (curClass->runContext & CLSCTX_LOCAL_SERVER)
1652 RPC_StopLocalServer(curClass->RpcRegistration);
1655 * Release the reference to the class object.
1657 IUnknown_Release(curClass->classObject);
1659 if (curClass->pMarshaledData)
1662 memset(&zero, 0, sizeof(zero));
1663 IStream_Seek(curClass->pMarshaledData, zero, STREAM_SEEK_SET, NULL);
1664 CoReleaseMarshalData(curClass->pMarshaledData);
1668 * Free the memory used by the chain node.
1670 HeapFree(GetProcessHeap(), 0, curClass);
1677 LeaveCriticalSection( &csRegisteredClassList );
1682 /***********************************************************************
1683 * COM_RegReadPath [internal]
1685 * Reads a registry value and expands it when necessary
1687 static DWORD COM_RegReadPath(HKEY hkeyroot, const WCHAR *keyname, const WCHAR *valuename, WCHAR * dst, DWORD dstlen)
1692 WCHAR src[MAX_PATH];
1693 DWORD dwLength = dstlen * sizeof(WCHAR);
1695 if((ret = RegOpenKeyExW(hkeyroot, keyname, 0, KEY_READ, &key)) == ERROR_SUCCESS) {
1696 if( (ret = RegQueryValueExW(key, NULL, NULL, &keytype, (LPBYTE)src, &dwLength)) == ERROR_SUCCESS ) {
1697 if (keytype == REG_EXPAND_SZ) {
1698 if (dstlen <= ExpandEnvironmentStringsW(src, dst, dstlen)) ret = ERROR_MORE_DATA;
1700 lstrcpynW(dst, src, dstlen);
1708 static void get_threading_model(HKEY key, LPWSTR value, DWORD len)
1710 static const WCHAR wszThreadingModel[] = {'T','h','r','e','a','d','i','n','g','M','o','d','e','l',0};
1713 DWORD dwLength = len * sizeof(WCHAR);
1715 ret = RegQueryValueExW(key, wszThreadingModel, NULL, &keytype, (LPBYTE)value, &dwLength);
1716 if ((ret != ERROR_SUCCESS) || (keytype != REG_SZ))
1720 static HRESULT get_inproc_class_object(HKEY hkeydll, REFCLSID rclsid, REFIID riid, void **ppv)
1722 static const WCHAR wszApartment[] = {'A','p','a','r','t','m','e','n','t',0};
1723 static const WCHAR wszFree[] = {'F','r','e','e',0};
1724 static const WCHAR wszBoth[] = {'B','o','t','h',0};
1726 typedef HRESULT (CALLBACK *DllGetClassObjectFunc)(REFCLSID clsid, REFIID iid, LPVOID *ppv);
1727 DllGetClassObjectFunc DllGetClassObject;
1728 WCHAR dllpath[MAX_PATH+1];
1729 WCHAR threading_model[10 /* strlenW(L"apartment")+1 */];
1732 get_threading_model(hkeydll, threading_model, ARRAYSIZE(threading_model));
1734 if (!strcmpiW(threading_model, wszApartment))
1736 APARTMENT *apt = COM_CurrentApt();
1737 if (apt->multi_threaded)
1739 /* try to find an STA */
1740 APARTMENT *host_apt = apartment_findfromtype(FALSE, FALSE);
1742 FIXME("create a host apartment for apartment-threaded object %s\n", debugstr_guid(rclsid));
1745 struct host_object_params params;
1746 HWND hwnd = apartment_getwindow(host_apt);
1748 params.hkeydll = hkeydll;
1749 params.clsid = *rclsid;
1751 hr = CreateStreamOnHGlobal(NULL, TRUE, ¶ms.stream);
1754 hr = SendMessageW(hwnd, DM_HOSTOBJECT, 0, (LPARAM)¶ms);
1756 hr = CoUnmarshalInterface(params.stream, riid, ppv);
1757 IStream_Release(params.stream);
1763 else if (!strcmpiW(threading_model, wszFree))
1765 APARTMENT *apt = COM_CurrentApt();
1766 if (!apt->multi_threaded)
1768 FIXME("should create object %s in multi-threaded apartment\n",
1769 debugstr_guid(rclsid));
1772 /* everything except "Apartment", "Free" and "Both" */
1773 else if (strcmpiW(threading_model, wszBoth))
1775 APARTMENT *apt = COM_CurrentApt();
1777 /* everything else is main-threaded */
1778 if (threading_model[0])
1779 FIXME("unrecognised threading model %s for object %s, should be main-threaded?\n",
1780 debugstr_w(threading_model), debugstr_guid(rclsid));
1782 if (apt->multi_threaded || !apt->main)
1784 /* try to find an STA */
1785 APARTMENT *host_apt = apartment_findfromtype(FALSE, TRUE);
1787 FIXME("create a host apartment for main-threaded object %s\n", debugstr_guid(rclsid));
1790 struct host_object_params params;
1791 HWND hwnd = apartment_getwindow(host_apt);
1793 params.hkeydll = hkeydll;
1794 params.clsid = *rclsid;
1796 hr = CreateStreamOnHGlobal(NULL, TRUE, ¶ms.stream);
1799 hr = SendMessageW(hwnd, DM_HOSTOBJECT, 0, (LPARAM)¶ms);
1801 hr = CoUnmarshalInterface(params.stream, riid, ppv);
1802 IStream_Release(params.stream);
1808 if (COM_RegReadPath(hkeydll, NULL, NULL, dllpath, ARRAYSIZE(dllpath)) != ERROR_SUCCESS)
1810 /* failure: CLSID is not found in registry */
1811 WARN("class %s not registered inproc\n", debugstr_guid(rclsid));
1812 return REGDB_E_CLASSNOTREG;
1815 if ((hLibrary = LoadLibraryExW(dllpath, 0, LOAD_WITH_ALTERED_SEARCH_PATH)) == 0)
1817 /* failure: DLL could not be loaded */
1818 ERR("couldn't load in-process dll %s\n", debugstr_w(dllpath));
1819 return E_ACCESSDENIED; /* FIXME: or should this be CO_E_DLLNOTFOUND? */
1822 if (!(DllGetClassObject = (DllGetClassObjectFunc)GetProcAddress(hLibrary, "DllGetClassObject")))
1824 /* failure: the dll did not export DllGetClassObject */
1825 ERR("couldn't find function DllGetClassObject in %s\n", debugstr_w(dllpath));
1826 FreeLibrary( hLibrary );
1827 return CO_E_DLLNOTFOUND;
1830 /* OK: get the ClassObject */
1831 COMPOBJ_DLLList_Add( hLibrary );
1832 hr = DllGetClassObject(rclsid, riid, ppv);
1835 ERR("DllGetClassObject returned error 0x%08x\n", hr);
1840 /***********************************************************************
1841 * CoGetClassObject [OLE32.@]
1843 * FIXME. If request allows of several options and there is a failure
1844 * with one (other than not being registered) do we try the
1845 * others or return failure? (E.g. inprocess is registered but
1846 * the DLL is not found but the server version works)
1848 HRESULT WINAPI CoGetClassObject(
1849 REFCLSID rclsid, DWORD dwClsContext, COSERVERINFO *pServerInfo,
1850 REFIID iid, LPVOID *ppv)
1852 LPUNKNOWN regClassObject;
1853 HRESULT hres = E_UNEXPECTED;
1855 TRACE("\n\tCLSID:\t%s,\n\tIID:\t%s\n", debugstr_guid(rclsid), debugstr_guid(iid));
1858 return E_INVALIDARG;
1862 if (!COM_CurrentApt())
1864 ERR("apartment not initialised\n");
1865 return CO_E_NOTINITIALIZED;
1869 FIXME("\tpServerInfo: name=%s\n",debugstr_w(pServerInfo->pwszName));
1870 FIXME("\t\tpAuthInfo=%p\n",pServerInfo->pAuthInfo);
1874 * First, try and see if we can't match the class ID with one of the
1875 * registered classes.
1877 if (S_OK == COM_GetRegisteredClassObject(rclsid, dwClsContext, ®ClassObject))
1879 /* Get the required interface from the retrieved pointer. */
1880 hres = IUnknown_QueryInterface(regClassObject, iid, ppv);
1883 * Since QI got another reference on the pointer, we want to release the
1884 * one we already have. If QI was unsuccessful, this will release the object. This
1885 * is good since we are not returning it in the "out" parameter.
1887 IUnknown_Release(regClassObject);
1892 /* First try in-process server */
1893 if (CLSCTX_INPROC_SERVER & dwClsContext)
1895 static const WCHAR wszInprocServer32[] = {'I','n','p','r','o','c','S','e','r','v','e','r','3','2',0};
1898 if (IsEqualCLSID(rclsid, &CLSID_InProcFreeMarshaler))
1899 return FTMarshalCF_Create(iid, ppv);
1901 hres = COM_OpenKeyForCLSID(rclsid, wszInprocServer32, KEY_READ, &hkey);
1904 if (hres == REGDB_E_CLASSNOTREG)
1905 ERR("class %s not registered\n", debugstr_guid(rclsid));
1907 WARN("class %s not registered as in-proc server\n", debugstr_guid(rclsid));
1910 if (SUCCEEDED(hres))
1912 hres = get_inproc_class_object(hkey, rclsid, iid, ppv);
1916 /* return if we got a class, otherwise fall through to one of the
1918 if (SUCCEEDED(hres))
1922 /* Next try in-process handler */
1923 if (CLSCTX_INPROC_HANDLER & dwClsContext)
1925 static const WCHAR wszInprocHandler32[] = {'I','n','p','r','o','c','H','a','n','d','l','e','r','3','2',0};
1928 hres = COM_OpenKeyForCLSID(rclsid, wszInprocHandler32, KEY_READ, &hkey);
1931 if (hres == REGDB_E_CLASSNOTREG)
1932 ERR("class %s not registered\n", debugstr_guid(rclsid));
1934 WARN("class %s not registered in-proc handler\n", debugstr_guid(rclsid));
1937 if (SUCCEEDED(hres))
1939 hres = get_inproc_class_object(hkey, rclsid, iid, ppv);
1943 /* return if we got a class, otherwise fall through to one of the
1945 if (SUCCEEDED(hres))
1949 /* Next try out of process */
1950 if (CLSCTX_LOCAL_SERVER & dwClsContext)
1952 hres = RPC_GetLocalClassObject(rclsid,iid,ppv);
1953 if (SUCCEEDED(hres))
1957 /* Finally try remote: this requires networked DCOM (a lot of work) */
1958 if (CLSCTX_REMOTE_SERVER & dwClsContext)
1960 FIXME ("CLSCTX_REMOTE_SERVER not supported\n");
1961 hres = E_NOINTERFACE;
1965 ERR("no class object %s could be created for context 0x%x\n",
1966 debugstr_guid(rclsid), dwClsContext);
1970 /***********************************************************************
1971 * CoResumeClassObjects (OLE32.@)
1973 * Resumes all class objects registered with REGCLS_SUSPENDED.
1977 * Failure: HRESULT code.
1979 HRESULT WINAPI CoResumeClassObjects(void)
1985 /***********************************************************************
1986 * GetClassFile (OLE32.@)
1988 * This function supplies the CLSID associated with the given filename.
1990 HRESULT WINAPI GetClassFile(LPCOLESTR filePathName,CLSID *pclsid)
1994 int nbElm, length, i;
1996 LPOLESTR *pathDec=0,absFile=0,progId=0;
1998 static const WCHAR bkslashW[] = {'\\',0};
1999 static const WCHAR dotW[] = {'.',0};
2001 TRACE("%s, %p\n", debugstr_w(filePathName), pclsid);
2003 /* if the file contain a storage object the return the CLSID written by IStorage_SetClass method*/
2004 if((StgIsStorageFile(filePathName))==S_OK){
2006 res=StgOpenStorage(filePathName,NULL,STGM_READ | STGM_SHARE_DENY_WRITE,NULL,0,&pstg);
2009 res=ReadClassStg(pstg,pclsid);
2011 IStorage_Release(pstg);
2015 /* if the file is not a storage object then attemps to match various bits in the file against a
2016 pattern in the registry. this case is not frequently used ! so I present only the psodocode for
2019 for(i=0;i<nFileTypes;i++)
2021 for(i=0;j<nPatternsForType;j++){
2026 pat=ReadPatternFromRegistry(i,j);
2027 hFile=CreateFileW(filePathName,,,,,,hFile);
2028 SetFilePosition(hFile,pat.offset);
2029 ReadFile(hFile,buf,pat.size,&r,NULL);
2030 if (memcmp(buf&pat.mask,pat.pattern.pat.size)==0){
2032 *pclsid=ReadCLSIDFromRegistry(i);
2038 /* if the above strategies fail then search for the extension key in the registry */
2040 /* get the last element (absolute file) in the path name */
2041 nbElm=FileMonikerImpl_DecomposePath(filePathName,&pathDec);
2042 absFile=pathDec[nbElm-1];
2044 /* failed if the path represente a directory and not an absolute file name*/
2045 if (!lstrcmpW(absFile, bkslashW))
2046 return MK_E_INVALIDEXTENSION;
2048 /* get the extension of the file */
2050 length=lstrlenW(absFile);
2051 for(i = length-1; (i >= 0) && *(extension = &absFile[i]) != '.'; i--)
2054 if (!extension || !lstrcmpW(extension, dotW))
2055 return MK_E_INVALIDEXTENSION;
2057 res=RegQueryValueW(HKEY_CLASSES_ROOT, extension, NULL, &sizeProgId);
2059 /* get the progId associated to the extension */
2060 progId = CoTaskMemAlloc(sizeProgId);
2061 res = RegQueryValueW(HKEY_CLASSES_ROOT, extension, progId, &sizeProgId);
2063 if (res==ERROR_SUCCESS)
2064 /* return the clsid associated to the progId */
2065 res= CLSIDFromProgID(progId,pclsid);
2067 for(i=0; pathDec[i]!=NULL;i++)
2068 CoTaskMemFree(pathDec[i]);
2069 CoTaskMemFree(pathDec);
2071 CoTaskMemFree(progId);
2073 if (res==ERROR_SUCCESS)
2076 return MK_E_INVALIDEXTENSION;
2079 /***********************************************************************
2080 * CoCreateInstance [OLE32.@]
2082 * Creates an instance of the specified class.
2085 * rclsid [I] Class ID to create an instance of.
2086 * pUnkOuter [I] Optional outer unknown to allow aggregation with another object.
2087 * dwClsContext [I] Flags to restrict the location of the created instance.
2088 * iid [I] The ID of the interface of the instance to return.
2089 * ppv [O] On returns, contains a pointer to the specified interface of the instance.
2093 * Failure: HRESULT code.
2096 * The dwClsContext parameter can be one or more of the following:
2097 *| CLSCTX_INPROC_SERVER - Use an in-process server, such as from a DLL.
2098 *| CLSCTX_INPROC_HANDLER - Use an in-process object which handles certain functions for an object running in another process.
2099 *| CLSCTX_LOCAL_SERVER - Connect to an object running in another process.
2100 *| CLSCTX_REMOTE_SERVER - Connect to an object running on another machine.
2102 * Aggregation is the concept of deferring the IUnknown of an object to another
2103 * object. This allows a separate object to behave as though it was part of
2104 * the object and to allow this the pUnkOuter parameter can be set. Note that
2105 * not all objects support having an outer of unknown.
2108 * CoGetClassObject()
2110 HRESULT WINAPI CoCreateInstance(
2112 LPUNKNOWN pUnkOuter,
2118 LPCLASSFACTORY lpclf = 0;
2120 TRACE("(rclsid=%s, pUnkOuter=%p, dwClsContext=%08x, riid=%s, ppv=%p)\n", debugstr_guid(rclsid),
2121 pUnkOuter, dwClsContext, debugstr_guid(iid), ppv);
2130 * Initialize the "out" parameter
2134 if (!COM_CurrentApt())
2136 ERR("apartment not initialised\n");
2137 return CO_E_NOTINITIALIZED;
2141 * The Standard Global Interface Table (GIT) object is a process-wide singleton.
2142 * Rather than create a class factory, we can just check for it here
2144 if (IsEqualIID(rclsid, &CLSID_StdGlobalInterfaceTable)) {
2145 if (StdGlobalInterfaceTableInstance == NULL)
2146 StdGlobalInterfaceTableInstance = StdGlobalInterfaceTable_Construct();
2147 hres = IGlobalInterfaceTable_QueryInterface( (IGlobalInterfaceTable*) StdGlobalInterfaceTableInstance, iid, ppv);
2148 if (hres) return hres;
2150 TRACE("Retrieved GIT (%p)\n", *ppv);
2155 * Get a class factory to construct the object we want.
2157 hres = CoGetClassObject(rclsid,
2167 * Create the object and don't forget to release the factory
2169 hres = IClassFactory_CreateInstance(lpclf, pUnkOuter, iid, ppv);
2170 IClassFactory_Release(lpclf);
2172 FIXME("no instance created for interface %s of class %s, hres is 0x%08x\n",
2173 debugstr_guid(iid), debugstr_guid(rclsid),hres);
2178 /***********************************************************************
2179 * CoCreateInstanceEx [OLE32.@]
2181 HRESULT WINAPI CoCreateInstanceEx(
2183 LPUNKNOWN pUnkOuter,
2185 COSERVERINFO* pServerInfo,
2189 IUnknown* pUnk = NULL;
2192 ULONG successCount = 0;
2197 if ( (cmq==0) || (pResults==NULL))
2198 return E_INVALIDARG;
2200 if (pServerInfo!=NULL)
2201 FIXME("() non-NULL pServerInfo not supported!\n");
2204 * Initialize all the "out" parameters.
2206 for (index = 0; index < cmq; index++)
2208 pResults[index].pItf = NULL;
2209 pResults[index].hr = E_NOINTERFACE;
2213 * Get the object and get its IUnknown pointer.
2215 hr = CoCreateInstance(rclsid,
2225 * Then, query for all the interfaces requested.
2227 for (index = 0; index < cmq; index++)
2229 pResults[index].hr = IUnknown_QueryInterface(pUnk,
2230 pResults[index].pIID,
2231 (VOID**)&(pResults[index].pItf));
2233 if (pResults[index].hr == S_OK)
2238 * Release our temporary unknown pointer.
2240 IUnknown_Release(pUnk);
2242 if (successCount == 0)
2243 return E_NOINTERFACE;
2245 if (successCount!=cmq)
2246 return CO_S_NOTALLINTERFACES;
2251 /***********************************************************************
2252 * CoLoadLibrary (OLE32.@)
2257 * lpszLibName [I] Path to library.
2258 * bAutoFree [I] Whether the library should automatically be freed.
2261 * Success: Handle to loaded library.
2265 * CoFreeLibrary, CoFreeAllLibraries, CoFreeUnusedLibraries
2267 HINSTANCE WINAPI CoLoadLibrary(LPOLESTR lpszLibName, BOOL bAutoFree)
2269 TRACE("(%s, %d)\n", debugstr_w(lpszLibName), bAutoFree);
2271 return LoadLibraryExW(lpszLibName, 0, LOAD_WITH_ALTERED_SEARCH_PATH);
2274 /***********************************************************************
2275 * CoFreeLibrary [OLE32.@]
2277 * Unloads a library from memory.
2280 * hLibrary [I] Handle to library to unload.
2286 * CoLoadLibrary, CoFreeAllLibraries, CoFreeUnusedLibraries
2288 void WINAPI CoFreeLibrary(HINSTANCE hLibrary)
2290 FreeLibrary(hLibrary);
2294 /***********************************************************************
2295 * CoFreeAllLibraries [OLE32.@]
2297 * Function for backwards compatibility only. Does nothing.
2303 * CoLoadLibrary, CoFreeLibrary, CoFreeUnusedLibraries
2305 void WINAPI CoFreeAllLibraries(void)
2311 /***********************************************************************
2312 * CoFreeUnusedLibraries [OLE32.@]
2313 * CoFreeUnusedLibraries [COMPOBJ.17]
2315 * Frees any unused libraries. Unused are identified as those that return
2316 * S_OK from their DllCanUnloadNow function.
2322 * CoLoadLibrary, CoFreeAllLibraries, CoFreeLibrary
2324 void WINAPI CoFreeUnusedLibraries(void)
2326 /* FIXME: Calls to CoFreeUnusedLibraries from any thread always route
2327 * through the main apartment's thread to call DllCanUnloadNow */
2328 COMPOBJ_DllList_FreeUnused(0);
2331 /***********************************************************************
2332 * CoFileTimeNow [OLE32.@]
2333 * CoFileTimeNow [COMPOBJ.82]
2335 * Retrieves the current time in FILETIME format.
2338 * lpFileTime [O] The current time.
2343 HRESULT WINAPI CoFileTimeNow( FILETIME *lpFileTime )
2345 GetSystemTimeAsFileTime( lpFileTime );
2349 static void COM_RevokeAllClasses(void)
2351 EnterCriticalSection( &csRegisteredClassList );
2353 while (list_head(&RegisteredClassList))
2355 RegisteredClass *curClass = LIST_ENTRY(list_head(&RegisteredClassList),
2356 RegisteredClass, entry);
2357 CoRevokeClassObject(curClass->dwCookie);
2360 LeaveCriticalSection( &csRegisteredClassList );
2363 /******************************************************************************
2364 * CoLockObjectExternal [OLE32.@]
2366 * Increments or decrements the external reference count of a stub object.
2369 * pUnk [I] Stub object.
2370 * fLock [I] If TRUE then increments the external ref-count,
2371 * otherwise decrements.
2372 * fLastUnlockReleases [I] If TRUE then the last unlock has the effect of
2373 * calling CoDisconnectObject.
2377 * Failure: HRESULT code.
2380 * If fLock is TRUE and an object is passed in that doesn't have a stub
2381 * manager then a new stub manager is created for the object.
2383 HRESULT WINAPI CoLockObjectExternal(
2386 BOOL fLastUnlockReleases)
2388 struct stub_manager *stubmgr;
2389 struct apartment *apt;
2391 TRACE("pUnk=%p, fLock=%s, fLastUnlockReleases=%s\n",
2392 pUnk, fLock ? "TRUE" : "FALSE", fLastUnlockReleases ? "TRUE" : "FALSE");
2394 apt = COM_CurrentApt();
2395 if (!apt) return CO_E_NOTINITIALIZED;
2397 stubmgr = get_stub_manager_from_object(apt, pUnk);
2402 stub_manager_ext_addref(stubmgr, 1);
2404 stub_manager_ext_release(stubmgr, 1, fLastUnlockReleases);
2406 stub_manager_int_release(stubmgr);
2412 stubmgr = new_stub_manager(apt, pUnk);
2416 stub_manager_ext_addref(stubmgr, 1);
2417 stub_manager_int_release(stubmgr);
2424 WARN("stub object not found %p\n", pUnk);
2425 /* Note: native is pretty broken here because it just silently
2426 * fails, without returning an appropriate error code, making apps
2427 * think that the object was disconnected, when it actually wasn't */
2432 /***********************************************************************
2433 * CoInitializeWOW (OLE32.@)
2435 * WOW equivalent of CoInitialize?
2444 HRESULT WINAPI CoInitializeWOW(DWORD x,DWORD y)
2446 FIXME("(0x%08x,0x%08x),stub!\n",x,y);
2450 /***********************************************************************
2451 * CoGetState [OLE32.@]
2453 * Retrieves the thread state object previously stored by CoSetState().
2456 * ppv [I] Address where pointer to object will be stored.
2460 * Failure: E_OUTOFMEMORY.
2463 * Crashes on all invalid ppv addresses, including NULL.
2464 * If the function returns a non-NULL object then the caller must release its
2465 * reference on the object when the object is no longer required.
2470 HRESULT WINAPI CoGetState(IUnknown ** ppv)
2472 struct oletls *info = COM_CurrentInfo();
2473 if (!info) return E_OUTOFMEMORY;
2479 IUnknown_AddRef(info->state);
2481 TRACE("apt->state=%p\n", info->state);
2487 /***********************************************************************
2488 * CoSetState [OLE32.@]
2490 * Sets the thread state object.
2493 * pv [I] Pointer to state object to be stored.
2496 * The system keeps a reference on the object while the object stored.
2500 * Failure: E_OUTOFMEMORY.
2502 HRESULT WINAPI CoSetState(IUnknown * pv)
2504 struct oletls *info = COM_CurrentInfo();
2505 if (!info) return E_OUTOFMEMORY;
2507 if (pv) IUnknown_AddRef(pv);
2511 TRACE("-- release %p now\n", info->state);
2512 IUnknown_Release(info->state);
2521 /******************************************************************************
2522 * CoTreatAsClass [OLE32.@]
2524 * Sets the TreatAs value of a class.
2527 * clsidOld [I] Class to set TreatAs value on.
2528 * clsidNew [I] The class the clsidOld should be treated as.
2532 * Failure: HRESULT code.
2537 HRESULT WINAPI CoTreatAsClass(REFCLSID clsidOld, REFCLSID clsidNew)
2539 static const WCHAR wszAutoTreatAs[] = {'A','u','t','o','T','r','e','a','t','A','s',0};
2540 static const WCHAR wszTreatAs[] = {'T','r','e','a','t','A','s',0};
2542 WCHAR szClsidNew[CHARS_IN_GUID];
2544 WCHAR auto_treat_as[CHARS_IN_GUID];
2545 LONG auto_treat_as_size = sizeof(auto_treat_as);
2548 res = COM_OpenKeyForCLSID(clsidOld, NULL, KEY_READ | KEY_WRITE, &hkey);
2551 if (!memcmp( clsidOld, clsidNew, sizeof(*clsidOld) ))
2553 if (!RegQueryValueW(hkey, wszAutoTreatAs, auto_treat_as, &auto_treat_as_size) &&
2554 !CLSIDFromString(auto_treat_as, &id))
2556 if (RegSetValueW(hkey, wszTreatAs, REG_SZ, auto_treat_as, sizeof(auto_treat_as)))
2558 res = REGDB_E_WRITEREGDB;
2564 RegDeleteKeyW(hkey, wszTreatAs);
2568 else if (!StringFromGUID2(clsidNew, szClsidNew, ARRAYSIZE(szClsidNew)) &&
2569 !RegSetValueW(hkey, wszTreatAs, REG_SZ, szClsidNew, sizeof(szClsidNew)))
2571 res = REGDB_E_WRITEREGDB;
2576 if (hkey) RegCloseKey(hkey);
2580 /******************************************************************************
2581 * CoGetTreatAsClass [OLE32.@]
2583 * Gets the TreatAs value of a class.
2586 * clsidOld [I] Class to get the TreatAs value of.
2587 * clsidNew [I] The class the clsidOld should be treated as.
2591 * Failure: HRESULT code.
2596 HRESULT WINAPI CoGetTreatAsClass(REFCLSID clsidOld, LPCLSID clsidNew)
2598 static const WCHAR wszTreatAs[] = {'T','r','e','a','t','A','s',0};
2600 WCHAR szClsidNew[CHARS_IN_GUID];
2602 LONG len = sizeof(szClsidNew);
2604 FIXME("(%s,%p)\n", debugstr_guid(clsidOld), clsidNew);
2605 memcpy(clsidNew,clsidOld,sizeof(CLSID)); /* copy over old value */
2607 res = COM_OpenKeyForCLSID(clsidOld, wszTreatAs, KEY_READ, &hkey);
2610 if (RegQueryValueW(hkey, NULL, szClsidNew, &len))
2615 res = CLSIDFromString(szClsidNew,clsidNew);
2617 ERR("Failed CLSIDFromStringA(%s), hres 0x%08x\n", debugstr_w(szClsidNew), res);
2619 if (hkey) RegCloseKey(hkey);
2623 /******************************************************************************
2624 * CoGetCurrentProcess [OLE32.@]
2625 * CoGetCurrentProcess [COMPOBJ.34]
2627 * Gets the current process ID.
2630 * The current process ID.
2633 * Is DWORD really the correct return type for this function?
2635 DWORD WINAPI CoGetCurrentProcess(void)
2637 return GetCurrentProcessId();
2640 /******************************************************************************
2641 * CoRegisterMessageFilter [OLE32.@]
2643 * Registers a message filter.
2646 * lpMessageFilter [I] Pointer to interface.
2647 * lplpMessageFilter [O] Indirect pointer to prior instance if non-NULL.
2651 * Failure: HRESULT code.
2654 * Both lpMessageFilter and lplpMessageFilter are optional. Passing in a NULL
2655 * lpMessageFilter removes the message filter.
2657 * If lplpMessageFilter is not NULL the previous message filter will be
2658 * returned in the memory pointer to this parameter and the caller is
2659 * responsible for releasing the object.
2661 * The current thread be in an apartment otherwise the function will crash.
2663 HRESULT WINAPI CoRegisterMessageFilter(
2664 LPMESSAGEFILTER lpMessageFilter,
2665 LPMESSAGEFILTER *lplpMessageFilter)
2667 struct apartment *apt;
2668 IMessageFilter *lpOldMessageFilter;
2670 TRACE("(%p, %p)\n", lpMessageFilter, lplpMessageFilter);
2672 apt = COM_CurrentApt();
2674 /* can't set a message filter in a multi-threaded apartment */
2675 if (!apt || apt->multi_threaded)
2677 WARN("can't set message filter in MTA or uninitialized apt\n");
2678 return CO_E_NOT_SUPPORTED;
2681 if (lpMessageFilter)
2682 IMessageFilter_AddRef(lpMessageFilter);
2684 EnterCriticalSection(&apt->cs);
2686 lpOldMessageFilter = apt->filter;
2687 apt->filter = lpMessageFilter;
2689 LeaveCriticalSection(&apt->cs);
2691 if (lplpMessageFilter)
2692 *lplpMessageFilter = lpOldMessageFilter;
2693 else if (lpOldMessageFilter)
2694 IMessageFilter_Release(lpOldMessageFilter);
2699 /***********************************************************************
2700 * CoIsOle1Class [OLE32.@]
2702 * Determines whether the specified class an OLE v1 class.
2705 * clsid [I] Class to test.
2708 * TRUE if the class is an OLE v1 class, or FALSE otherwise.
2710 BOOL WINAPI CoIsOle1Class(REFCLSID clsid)
2712 FIXME("%s\n", debugstr_guid(clsid));
2716 /***********************************************************************
2717 * IsEqualGUID [OLE32.@]
2719 * Compares two Unique Identifiers.
2722 * rguid1 [I] The first GUID to compare.
2723 * rguid2 [I] The other GUID to compare.
2729 BOOL WINAPI IsEqualGUID(
2733 return !memcmp(rguid1,rguid2,sizeof(GUID));
2736 /***********************************************************************
2737 * CoInitializeSecurity [OLE32.@]
2739 HRESULT WINAPI CoInitializeSecurity(PSECURITY_DESCRIPTOR pSecDesc, LONG cAuthSvc,
2740 SOLE_AUTHENTICATION_SERVICE* asAuthSvc,
2741 void* pReserved1, DWORD dwAuthnLevel,
2742 DWORD dwImpLevel, void* pReserved2,
2743 DWORD dwCapabilities, void* pReserved3)
2745 FIXME("(%p,%d,%p,%p,%d,%d,%p,%d,%p) - stub!\n", pSecDesc, cAuthSvc,
2746 asAuthSvc, pReserved1, dwAuthnLevel, dwImpLevel, pReserved2,
2747 dwCapabilities, pReserved3);
2751 /***********************************************************************
2752 * CoSuspendClassObjects [OLE32.@]
2754 * Suspends all registered class objects to prevent further requests coming in
2755 * for those objects.
2759 * Failure: HRESULT code.
2761 HRESULT WINAPI CoSuspendClassObjects(void)
2767 /***********************************************************************
2768 * CoAddRefServerProcess [OLE32.@]
2770 * Helper function for incrementing the reference count of a local-server
2774 * New reference count.
2777 * CoReleaseServerProcess().
2779 ULONG WINAPI CoAddRefServerProcess(void)
2785 EnterCriticalSection(&csRegisteredClassList);
2786 refs = ++s_COMServerProcessReferences;
2787 LeaveCriticalSection(&csRegisteredClassList);
2789 TRACE("refs before: %d\n", refs - 1);
2794 /***********************************************************************
2795 * CoReleaseServerProcess [OLE32.@]
2797 * Helper function for decrementing the reference count of a local-server
2801 * New reference count.
2804 * When reference count reaches 0, this function suspends all registered
2805 * classes so no new connections are accepted.
2808 * CoAddRefServerProcess(), CoSuspendClassObjects().
2810 ULONG WINAPI CoReleaseServerProcess(void)
2816 EnterCriticalSection(&csRegisteredClassList);
2818 refs = --s_COMServerProcessReferences;
2819 /* FIXME: if (!refs) COM_SuspendClassObjects(); */
2821 LeaveCriticalSection(&csRegisteredClassList);
2823 TRACE("refs after: %d\n", refs);
2828 /***********************************************************************
2829 * CoIsHandlerConnected [OLE32.@]
2831 * Determines whether a proxy is connected to a remote stub.
2834 * pUnk [I] Pointer to object that may or may not be connected.
2837 * TRUE if pUnk is not a proxy or if pUnk is connected to a remote stub, or
2840 BOOL WINAPI CoIsHandlerConnected(IUnknown *pUnk)
2842 FIXME("%p\n", pUnk);
2847 /***********************************************************************
2848 * CoAllowSetForegroundWindow [OLE32.@]
2851 HRESULT WINAPI CoAllowSetForegroundWindow(IUnknown *pUnk, void *pvReserved)
2853 FIXME("(%p, %p): stub\n", pUnk, pvReserved);
2857 /***********************************************************************
2858 * CoQueryProxyBlanket [OLE32.@]
2860 * Retrieves the security settings being used by a proxy.
2863 * pProxy [I] Pointer to the proxy object.
2864 * pAuthnSvc [O] The type of authentication service.
2865 * pAuthzSvc [O] The type of authorization service.
2866 * ppServerPrincName [O] Optional. The server prinicple name.
2867 * pAuthnLevel [O] The authentication level.
2868 * pImpLevel [O] The impersonation level.
2869 * ppAuthInfo [O] Information specific to the authorization/authentication service.
2870 * pCapabilities [O] Flags affecting the security behaviour.
2874 * Failure: HRESULT code.
2877 * CoCopyProxy, CoSetProxyBlanket.
2879 HRESULT WINAPI CoQueryProxyBlanket(IUnknown *pProxy, DWORD *pAuthnSvc,
2880 DWORD *pAuthzSvc, OLECHAR **ppServerPrincName, DWORD *pAuthnLevel,
2881 DWORD *pImpLevel, void **ppAuthInfo, DWORD *pCapabilities)
2883 IClientSecurity *pCliSec;
2886 TRACE("%p\n", pProxy);
2888 hr = IUnknown_QueryInterface(pProxy, &IID_IClientSecurity, (void **)&pCliSec);
2891 hr = IClientSecurity_QueryBlanket(pCliSec, pProxy, pAuthnSvc,
2892 pAuthzSvc, ppServerPrincName,
2893 pAuthnLevel, pImpLevel, ppAuthInfo,
2895 IClientSecurity_Release(pCliSec);
2898 if (FAILED(hr)) ERR("-- failed with 0x%08x\n", hr);
2902 /***********************************************************************
2903 * CoSetProxyBlanket [OLE32.@]
2905 * Sets the security settings for a proxy.
2908 * pProxy [I] Pointer to the proxy object.
2909 * AuthnSvc [I] The type of authentication service.
2910 * AuthzSvc [I] The type of authorization service.
2911 * pServerPrincName [I] The server prinicple name.
2912 * AuthnLevel [I] The authentication level.
2913 * ImpLevel [I] The impersonation level.
2914 * pAuthInfo [I] Information specific to the authorization/authentication service.
2915 * Capabilities [I] Flags affecting the security behaviour.
2919 * Failure: HRESULT code.
2922 * CoQueryProxyBlanket, CoCopyProxy.
2924 HRESULT WINAPI CoSetProxyBlanket(IUnknown *pProxy, DWORD AuthnSvc,
2925 DWORD AuthzSvc, OLECHAR *pServerPrincName, DWORD AuthnLevel,
2926 DWORD ImpLevel, void *pAuthInfo, DWORD Capabilities)
2928 IClientSecurity *pCliSec;
2931 TRACE("%p\n", pProxy);
2933 hr = IUnknown_QueryInterface(pProxy, &IID_IClientSecurity, (void **)&pCliSec);
2936 hr = IClientSecurity_SetBlanket(pCliSec, pProxy, AuthnSvc,
2937 AuthzSvc, pServerPrincName,
2938 AuthnLevel, ImpLevel, pAuthInfo,
2940 IClientSecurity_Release(pCliSec);
2943 if (FAILED(hr)) ERR("-- failed with 0x%08x\n", hr);
2947 /***********************************************************************
2948 * CoCopyProxy [OLE32.@]
2953 * pProxy [I] Pointer to the proxy object.
2954 * ppCopy [O] Copy of the proxy.
2958 * Failure: HRESULT code.
2961 * CoQueryProxyBlanket, CoSetProxyBlanket.
2963 HRESULT WINAPI CoCopyProxy(IUnknown *pProxy, IUnknown **ppCopy)
2965 IClientSecurity *pCliSec;
2968 TRACE("%p\n", pProxy);
2970 hr = IUnknown_QueryInterface(pProxy, &IID_IClientSecurity, (void **)&pCliSec);
2973 hr = IClientSecurity_CopyProxy(pCliSec, pProxy, ppCopy);
2974 IClientSecurity_Release(pCliSec);
2977 if (FAILED(hr)) ERR("-- failed with 0x%08x\n", hr);
2982 /***********************************************************************
2983 * CoGetCallContext [OLE32.@]
2985 * Gets the context of the currently executing server call in the current
2989 * riid [I] Context interface to return.
2990 * ppv [O] Pointer to memory that will receive the context on return.
2994 * Failure: HRESULT code.
2996 HRESULT WINAPI CoGetCallContext(REFIID riid, void **ppv)
2998 FIXME("(%s, %p): stub\n", debugstr_guid(riid), ppv);
3001 return E_NOINTERFACE;
3004 /***********************************************************************
3005 * CoQueryClientBlanket [OLE32.@]
3007 * Retrieves the authentication information about the client of the currently
3008 * executing server call in the current thread.
3011 * pAuthnSvc [O] Optional. The type of authentication service.
3012 * pAuthzSvc [O] Optional. The type of authorization service.
3013 * pServerPrincName [O] Optional. The server prinicple name.
3014 * pAuthnLevel [O] Optional. The authentication level.
3015 * pImpLevel [O] Optional. The impersonation level.
3016 * pPrivs [O] Optional. Information about the privileges of the client.
3017 * pCapabilities [IO] Optional. Flags affecting the security behaviour.
3021 * Failure: HRESULT code.
3024 * CoImpersonateClient, CoRevertToSelf, CoGetCallContext.
3026 HRESULT WINAPI CoQueryClientBlanket(
3029 OLECHAR **pServerPrincName,
3032 RPC_AUTHZ_HANDLE *pPrivs,
3033 DWORD *pCapabilities)
3035 IServerSecurity *pSrvSec;
3038 TRACE("(%p, %p, %p, %p, %p, %p, %p)\n",
3039 pAuthnSvc, pAuthzSvc, pServerPrincName, pAuthnLevel, pImpLevel,
3040 pPrivs, pCapabilities);
3042 hr = CoGetCallContext(&IID_IServerSecurity, (void **)&pSrvSec);
3045 hr = IServerSecurity_QueryBlanket(
3046 pSrvSec, pAuthnSvc, pAuthzSvc, pServerPrincName, pAuthnLevel,
3047 pImpLevel, pPrivs, pCapabilities);
3048 IServerSecurity_Release(pSrvSec);
3054 /***********************************************************************
3055 * CoImpersonateClient [OLE32.@]
3057 * Impersonates the client of the currently executing server call in the
3065 * Failure: HRESULT code.
3068 * If this function fails then the current thread will not be impersonating
3069 * the client and all actions will take place on behalf of the server.
3070 * Therefore, it is important to check the return value from this function.
3073 * CoRevertToSelf, CoQueryClientBlanket, CoGetCallContext.
3075 HRESULT WINAPI CoImpersonateClient(void)
3077 IServerSecurity *pSrvSec;
3082 hr = CoGetCallContext(&IID_IServerSecurity, (void **)&pSrvSec);
3085 hr = IServerSecurity_ImpersonateClient(pSrvSec);
3086 IServerSecurity_Release(pSrvSec);
3092 /***********************************************************************
3093 * CoRevertToSelf [OLE32.@]
3095 * Ends the impersonation of the client of the currently executing server
3096 * call in the current thread.
3103 * Failure: HRESULT code.
3106 * CoImpersonateClient, CoQueryClientBlanket, CoGetCallContext.
3108 HRESULT WINAPI CoRevertToSelf(void)
3110 IServerSecurity *pSrvSec;
3115 hr = CoGetCallContext(&IID_IServerSecurity, (void **)&pSrvSec);
3118 hr = IServerSecurity_RevertToSelf(pSrvSec);
3119 IServerSecurity_Release(pSrvSec);
3125 static BOOL COM_PeekMessage(struct apartment *apt, MSG *msg)
3127 /* first try to retrieve messages for incoming COM calls to the apartment window */
3128 return PeekMessageW(msg, apt->win, WM_USER, WM_APP - 1, PM_REMOVE|PM_NOYIELD) ||
3129 /* next retrieve other messages necessary for the app to remain responsive */
3130 PeekMessageW(msg, NULL, 0, 0, PM_QS_PAINT|PM_QS_POSTMESSAGE|PM_REMOVE|PM_NOYIELD);
3133 /***********************************************************************
3134 * CoWaitForMultipleHandles [OLE32.@]
3136 * Waits for one or more handles to become signaled.
3139 * dwFlags [I] Flags. See notes.
3140 * dwTimeout [I] Timeout in milliseconds.
3141 * cHandles [I] Number of handles pointed to by pHandles.
3142 * pHandles [I] Handles to wait for.
3143 * lpdwindex [O] Index of handle that was signaled.
3147 * Failure: RPC_S_CALLPENDING on timeout.
3151 * The dwFlags parameter can be zero or more of the following:
3152 *| COWAIT_WAITALL - Wait for all of the handles to become signaled.
3153 *| COWAIT_ALERTABLE - Allows a queued APC to run during the wait.
3156 * MsgWaitForMultipleObjects, WaitForMultipleObjects.
3158 HRESULT WINAPI CoWaitForMultipleHandles(DWORD dwFlags, DWORD dwTimeout,
3159 ULONG cHandles, LPHANDLE pHandles, LPDWORD lpdwindex)
3162 DWORD start_time = GetTickCount();
3163 APARTMENT *apt = COM_CurrentApt();
3164 BOOL message_loop = apt && !apt->multi_threaded;
3166 TRACE("(0x%08x, 0x%08x, %d, %p, %p)\n", dwFlags, dwTimeout, cHandles,
3167 pHandles, lpdwindex);
3171 DWORD now = GetTickCount();
3174 if ((dwTimeout != INFINITE) && (start_time + dwTimeout >= now))
3176 hr = RPC_S_CALLPENDING;
3182 DWORD wait_flags = (dwFlags & COWAIT_WAITALL) ? MWMO_WAITALL : 0 |
3183 (dwFlags & COWAIT_ALERTABLE ) ? MWMO_ALERTABLE : 0;
3185 TRACE("waiting for rpc completion or window message\n");
3187 res = MsgWaitForMultipleObjectsEx(cHandles, pHandles,
3188 (dwTimeout == INFINITE) ? INFINITE : start_time + dwTimeout - now,
3189 QS_ALLINPUT, wait_flags);
3191 if (res == WAIT_OBJECT_0 + cHandles) /* messages available */
3195 /* call message filter */
3197 if (COM_CurrentApt()->filter)
3199 PENDINGTYPE pendingtype =
3200 COM_CurrentInfo()->pending_call_count_server ?
3201 PENDINGTYPE_NESTED : PENDINGTYPE_TOPLEVEL;
3202 DWORD be_handled = IMessageFilter_MessagePending(
3203 COM_CurrentApt()->filter, 0 /* FIXME */,
3204 now - start_time, pendingtype);
3205 TRACE("IMessageFilter_MessagePending returned %d\n", be_handled);
3208 case PENDINGMSG_CANCELCALL:
3209 WARN("call canceled\n");
3210 hr = RPC_E_CALL_CANCELED;
3212 case PENDINGMSG_WAITNOPROCESS:
3213 case PENDINGMSG_WAITDEFPROCESS:
3215 /* FIXME: MSDN is very vague about the difference
3216 * between WAITNOPROCESS and WAITDEFPROCESS - there
3217 * appears to be none, so it is possibly a left-over
3218 * from the 16-bit world. */
3223 /* note: using "if" here instead of "while" might seem less
3224 * efficient, but only if we are optimising for quick delivery
3225 * of pending messages, rather than quick completion of the
3227 if (COM_PeekMessage(apt, &msg))
3229 TRACE("received message whilst waiting for RPC: 0x%04x\n", msg.message);
3230 TranslateMessage(&msg);
3231 DispatchMessageW(&msg);
3232 if (msg.message == WM_QUIT)
3234 TRACE("resending WM_QUIT to outer message loop\n");
3235 PostQuitMessage(msg.wParam);
3236 /* no longer need to process messages */
3237 message_loop = FALSE;
3245 TRACE("waiting for rpc completion\n");
3247 res = WaitForMultipleObjectsEx(cHandles, pHandles,
3248 (dwFlags & COWAIT_WAITALL) ? TRUE : FALSE,
3249 (dwTimeout == INFINITE) ? INFINITE : start_time + dwTimeout - now,
3250 (dwFlags & COWAIT_ALERTABLE) ? TRUE : FALSE);
3253 if ((res >= WAIT_OBJECT_0) && (res < WAIT_OBJECT_0 + cHandles))
3255 /* handle signaled, store index */
3256 *lpdwindex = (res - WAIT_OBJECT_0);
3259 else if (res == WAIT_TIMEOUT)
3261 hr = RPC_S_CALLPENDING;
3266 ERR("Unexpected wait termination: %d, %d\n", res, GetLastError());
3271 TRACE("-- 0x%08x\n", hr);
3276 /***********************************************************************
3277 * CoGetObject [OLE32.@]
3279 * Gets the object named by coverting the name to a moniker and binding to it.
3282 * pszName [I] String representing the object.
3283 * pBindOptions [I] Parameters affecting the binding to the named object.
3284 * riid [I] Interface to bind to on the objecct.
3285 * ppv [O] On output, the interface riid of the object represented
3290 * Failure: HRESULT code.
3293 * MkParseDisplayName.
3295 HRESULT WINAPI CoGetObject(LPCWSTR pszName, BIND_OPTS *pBindOptions,
3296 REFIID riid, void **ppv)
3303 hr = CreateBindCtx(0, &pbc);
3307 hr = IBindCtx_SetBindOptions(pbc, pBindOptions);
3314 hr = MkParseDisplayName(pbc, pszName, &chEaten, &pmk);
3317 hr = IMoniker_BindToObject(pmk, pbc, NULL, riid, ppv);
3318 IMoniker_Release(pmk);
3322 IBindCtx_Release(pbc);
3327 /***********************************************************************
3328 * CoRegisterChannelHook [OLE32.@]
3330 * Registers a process-wide hook that is called during ORPC calls.
3333 * guidExtension [I] GUID of the channel hook to register.
3334 * pChannelHook [I] Channel hook object to register.
3338 * Failure: HRESULT code.
3340 HRESULT WINAPI CoRegisterChannelHook(REFGUID guidExtension, IChannelHook *pChannelHook)
3342 TRACE("(%s, %p)\n", debugstr_guid(guidExtension), pChannelHook);
3344 return RPC_RegisterChannelHook(guidExtension, pChannelHook);
3347 /***********************************************************************
3350 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
3352 TRACE("%p 0x%x %p\n", hinstDLL, fdwReason, fImpLoad);
3355 case DLL_PROCESS_ATTACH:
3356 OLE32_hInstance = hinstDLL;
3357 COMPOBJ_InitProcess();
3358 if (TRACE_ON(ole)) CoRegisterMallocSpy((LPVOID)-1);
3361 case DLL_PROCESS_DETACH:
3362 if (TRACE_ON(ole)) CoRevokeMallocSpy();
3363 COMPOBJ_UninitProcess();
3364 RPC_UnregisterAllChannelHooks();
3365 OLE32_hInstance = 0;
3368 case DLL_THREAD_DETACH:
3375 /* NOTE: DllRegisterServer and DllUnregisterServer are in regsvr.c */