4 * Copyright 1995 Martin von Loewis
5 * Copyright 1998 Justin Bradford
6 * Copyright 1999 Francis Beaudet
7 * Copyright 1999 Sylvain St-Germain
19 #include "wine/winbase16.h"
23 #include "debugtools.h"
29 #include "wine/obj_base.h"
30 #include "wine/obj_misc.h"
31 #include "wine/obj_storage.h"
32 #include "wine/obj_clientserver.h"
37 DEFAULT_DEBUG_CHANNEL(ole);
39 /****************************************************************************
40 * COM External Lock structures and methods declaration
42 * This api provides a linked list to managed external references to
45 * The public interface consists of three calls:
46 * COM_ExternalLockAddRef
47 * COM_ExternalLockRelease
48 * COM_ExternalLockFreeList
51 #define EL_END_OF_LIST 0
52 #define EL_NOT_FOUND 0
55 * Declaration of the static structure that manage the
56 * external lock to COM objects.
58 typedef struct COM_ExternalLock COM_ExternalLock;
59 typedef struct COM_ExternalLockList COM_ExternalLockList;
61 struct COM_ExternalLock
63 IUnknown *pUnk; /* IUnknown referenced */
64 ULONG uRefCount; /* external lock counter to IUnknown object*/
65 COM_ExternalLock *next; /* Pointer to next element in list */
68 struct COM_ExternalLockList
70 COM_ExternalLock *head; /* head of list */
74 * Declaration and initialization of the static structure that manages
75 * the external lock to COM objects.
77 static COM_ExternalLockList elList = { EL_END_OF_LIST };
80 * Public Interface to the external lock list
82 static void COM_ExternalLockFreeList();
83 static void COM_ExternalLockAddRef(IUnknown *pUnk);
84 static void COM_ExternalLockRelease(IUnknown *pUnk, BOOL bRelAll);
85 void COM_ExternalLockDump(); /* testing purposes, not static to avoid warning */
88 * Private methods used to managed the linked list
90 static BOOL COM_ExternalLockInsert(
93 static void COM_ExternalLockDelete(
94 COM_ExternalLock *element);
96 static COM_ExternalLock* COM_ExternalLockFind(
99 static COM_ExternalLock* COM_ExternalLockLocate(
100 COM_ExternalLock *element,
103 /****************************************************************************
104 * This section defines variables internal to the COM module.
106 * TODO: Most of these things will have to be made thread-safe.
108 HINSTANCE16 COMPOBJ_hInstance = 0;
109 HINSTANCE COMPOBJ_hInstance32 = 0;
110 static int COMPOBJ_Attach = 0;
112 LPMALLOC16 currentMalloc16=NULL;
113 LPMALLOC currentMalloc32=NULL;
116 WORD Table_ETask[62];
119 * This lock count counts the number of times CoInitialize is called. It is
120 * decreased every time CoUninitialize is called. When it hits 0, the COM
121 * libraries are freed
123 static ULONG s_COMLockCount = 0;
126 * This linked list contains the list of registered class objects. These
127 * are mostly used to register the factories for out-of-proc servers of OLE
130 * TODO: Make this data structure aware of inter-process communication. This
131 * means that parts of this will be exported to the Wine Server.
133 typedef struct tagRegisteredClass
135 CLSID classIdentifier;
136 LPUNKNOWN classObject;
140 struct tagRegisteredClass* nextClass;
143 static RegisteredClass* firstRegisteredClass = NULL;
145 /* this open DLL table belongs in a per process table, but my guess is that
146 * it shouldn't live in the kernel, so I'll put them out here in DLL
147 * space assuming that there is one OLE32 per process.
149 typedef struct tagOpenDll {
151 struct tagOpenDll *next;
154 static OpenDll *openDllList = NULL; /* linked list of open dlls */
156 /*****************************************************************************
157 * This section contains prototypes to internal methods for this
160 static HRESULT COM_GetRegisteredClassObject(REFCLSID rclsid,
164 static void COM_RevokeAllClasses();
167 /******************************************************************************
168 * CoBuildVersion [COMPOBJ.1]
171 * Current build version, hiword is majornumber, loword is minornumber
173 DWORD WINAPI CoBuildVersion(void)
175 TRACE("Returning version %d, build %d.\n", rmm, rup);
176 return (rmm<<16)+rup;
179 /******************************************************************************
180 * CoInitialize16 [COMPOBJ.2]
181 * Set the win16 IMalloc used for memory management
183 HRESULT WINAPI CoInitialize16(
184 LPVOID lpReserved /* [in] pointer to win16 malloc interface */
186 currentMalloc16 = (LPMALLOC16)lpReserved;
190 /******************************************************************************
191 * CoInitialize [OLE32.26]
193 * Initializes the COM libraries.
197 HRESULT WINAPI CoInitialize(
198 LPVOID lpReserved /* [in] pointer to win32 malloc interface
199 (obsolete, should be NULL) */
203 * Just delegate to the newer method.
205 return CoInitializeEx(lpReserved, COINIT_APARTMENTTHREADED);
208 /******************************************************************************
209 * CoInitializeEx [OLE32.163]
211 * Initializes the COM libraries. The behavior used to set the win32 IMalloc
212 * used for memory management is obsolete.
215 * S_OK if successful,
216 * S_FALSE if this function was called already.
217 * RPC_E_CHANGED_MODE if a previous call to CoInitialize specified another
221 * Only the single threaded model is supported. As a result RPC_E_CHANGED_MODE
224 * See the windows documentation for more details.
226 HRESULT WINAPI CoInitializeEx(
227 LPVOID lpReserved, /* [in] pointer to win32 malloc interface
228 (obsolete, should be NULL) */
229 DWORD dwCoInit /* [in] A value from COINIT specifies the threading model */
234 TRACE("(%p, %x)\n", lpReserved, (int)dwCoInit);
236 if (lpReserved!=NULL)
238 ERR("(%p, %x) - Bad parameter passed-in %p, must be an old Windows Application\n", lpReserved, (int)dwCoInit, lpReserved);
242 * Check for unsupported features.
244 if (dwCoInit!=COINIT_APARTMENTTHREADED)
246 FIXME(":(%p,%x): unsupported flag %x\n", lpReserved, (int)dwCoInit, (int)dwCoInit);
247 /* Hope for the best and continue anyway */
251 * Check the lock count. If this is the first time going through the initialize
252 * process, we have to initialize the libraries.
254 if (s_COMLockCount==0)
257 * Initialize the various COM libraries and data structures.
259 TRACE("() - Initializing the COM libraries\n");
261 RunningObjectTableImpl_Initialize();
269 * Crank-up that lock count.
276 /***********************************************************************
277 * CoUninitialize16 [COMPOBJ.3]
278 * Don't know what it does.
279 * 3-Nov-98 -- this was originally misspelled, I changed it to what I
280 * believe is the correct spelling
282 void WINAPI CoUninitialize16(void)
285 CoFreeAllLibraries();
288 /***********************************************************************
289 * CoUninitialize [OLE32.47]
291 * This method will release the COM libraries.
293 * See the windows documentation for more details.
295 void WINAPI CoUninitialize(void)
300 * Decrease the reference count.
305 * If we are back to 0 locks on the COM library, make sure we free
306 * all the associated data structures.
308 if (s_COMLockCount==0)
311 * Release the various COM libraries and data structures.
313 TRACE("() - Releasing the COM libraries\n");
315 RunningObjectTableImpl_UnInitialize();
317 * Release the references to the registered class objects.
319 COM_RevokeAllClasses();
322 * This will free the loaded COM Dlls.
324 CoFreeAllLibraries();
327 * This will free list of external references to COM objects.
329 COM_ExternalLockFreeList();
333 /***********************************************************************
334 * CoGetMalloc16 [COMPOBJ.4]
336 * The current win16 IMalloc
338 HRESULT WINAPI CoGetMalloc16(
339 DWORD dwMemContext, /* [in] unknown */
340 LPMALLOC16 * lpMalloc /* [out] current win16 malloc interface */
343 currentMalloc16 = IMalloc16_Constructor();
344 *lpMalloc = currentMalloc16;
348 /******************************************************************************
349 * CoGetMalloc [OLE32.20]
352 * The current win32 IMalloc
354 HRESULT WINAPI CoGetMalloc(
355 DWORD dwMemContext, /* [in] unknown */
356 LPMALLOC *lpMalloc /* [out] current win32 malloc interface */
359 currentMalloc32 = IMalloc_Constructor();
360 *lpMalloc = currentMalloc32;
364 /***********************************************************************
365 * CoCreateStandardMalloc16 [COMPOBJ.71]
367 HRESULT WINAPI CoCreateStandardMalloc16(DWORD dwMemContext,
368 LPMALLOC16 *lpMalloc)
370 /* FIXME: docu says we shouldn't return the same allocator as in
372 *lpMalloc = IMalloc16_Constructor();
376 /******************************************************************************
377 * CoDisconnectObject [COMPOBJ.15]
379 HRESULT WINAPI CoDisconnectObject( LPUNKNOWN lpUnk, DWORD reserved )
381 TRACE("%p %lx\n",lpUnk,reserved);
385 /***********************************************************************
386 * IsEqualGUID16 [COMPOBJ.18]
388 * Compares two Unique Identifiers.
393 BOOL16 WINAPI IsEqualGUID16(
394 GUID* g1, /* [in] unique id 1 */
395 GUID* g2 /* [in] unique id 2 */
397 return !memcmp( g1, g2, sizeof(GUID) );
400 /******************************************************************************
401 * CLSIDFromString16 [COMPOBJ.20]
402 * Converts a unique identifier from its string representation into
405 * Class id: DWORD-WORD-WORD-BYTES[2]-BYTES[6]
410 HRESULT WINAPI CLSIDFromString16(
411 LPCOLESTR16 idstr, /* [in] string representation of guid */
412 CLSID *id /* [out] GUID converted from string */
414 BYTE *s = (BYTE *) idstr;
420 s = "{00000000-0000-0000-0000-000000000000}";
421 else { /* validate the CLSID string */
424 return CO_E_CLASSSTRING;
426 if ((s[0]!='{') || (s[9]!='-') || (s[14]!='-') || (s[19]!='-') || (s[24]!='-') || (s[37]!='}'))
427 return CO_E_CLASSSTRING;
431 if ((i == 9)||(i == 14)||(i == 19)||(i == 24)) continue;
432 if (!(((s[i] >= '0') && (s[i] <= '9')) ||
433 ((s[i] >= 'a') && (s[i] <= 'f')) ||
434 ((s[i] >= 'A') && (s[i] <= 'F')))
436 return CO_E_CLASSSTRING;
440 TRACE("%s -> %p\n", s, id);
442 /* quick lookup table */
443 memset(table, 0, 256);
445 for (i = 0; i < 10; i++) {
448 for (i = 0; i < 6; i++) {
449 table['A' + i] = i+10;
450 table['a' + i] = i+10;
453 /* in form {XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX} */
457 s++; /* skip leading brace */
458 for (i = 0; i < 4; i++) {
459 p[3 - i] = table[*s]<<4 | table[*(s+1)];
465 for (i = 0; i < 2; i++) {
466 p[1-i] = table[*s]<<4 | table[*(s+1)];
472 for (i = 0; i < 2; i++) {
473 p[1-i] = table[*s]<<4 | table[*(s+1)];
479 /* these are just sequential bytes */
480 for (i = 0; i < 2; i++) {
481 *p++ = table[*s]<<4 | table[*(s+1)];
486 for (i = 0; i < 6; i++) {
487 *p++ = table[*s]<<4 | table[*(s+1)];
494 /******************************************************************************
495 * CoCreateGuid[OLE32.6]
498 HRESULT WINAPI CoCreateGuid(
499 GUID *pguid /* [out] points to the GUID to initialize */
501 return UuidCreate(pguid);
504 /******************************************************************************
505 * CLSIDFromString [OLE32.3]
506 * Converts a unique identifier from its string representation into
510 * If idstr is not a valid CLSID string then it gets treated as a ProgID
515 HRESULT WINAPI CLSIDFromString(
516 LPCOLESTR idstr, /* [in] string representation of GUID */
517 CLSID *id /* [out] GUID represented by above string */
519 LPOLESTR16 xid = HEAP_strdupWtoA(GetProcessHeap(),0,idstr);
520 HRESULT ret = CLSIDFromString16(xid,id);
522 HeapFree(GetProcessHeap(),0,xid);
523 if(ret != S_OK) { /* It appears a ProgID is also valid */
524 ret = CLSIDFromProgID(idstr, id);
529 /******************************************************************************
530 * WINE_StringFromCLSID [Internal]
531 * Converts a GUID into the respective string representation.
536 * the string representation and HRESULT
538 static HRESULT WINE_StringFromCLSID(
539 const CLSID *id, /* [in] GUID to be converted */
540 LPSTR idstr /* [out] pointer to buffer to contain converted guid */
542 static const char *hex = "0123456789ABCDEF";
547 { ERR("called with id=Null\n");
552 sprintf(idstr, "{%08lX-%04X-%04X-%02X%02X-",
553 id->Data1, id->Data2, id->Data3,
554 id->Data4[0], id->Data4[1]);
558 for (i = 2; i < 8; i++) {
559 *s++ = hex[id->Data4[i]>>4];
560 *s++ = hex[id->Data4[i] & 0xf];
566 TRACE("%p->%s\n", id, idstr);
571 /******************************************************************************
572 * StringFromCLSID16 [COMPOBJ.19]
573 * Converts a GUID into the respective string representation.
574 * The target string is allocated using the OLE IMalloc.
576 * the string representation and HRESULT
578 HRESULT WINAPI StringFromCLSID16(
579 REFCLSID id, /* [in] the GUID to be converted */
580 LPOLESTR16 *idstr /* [out] a pointer to a to-be-allocated segmented pointer pointing to the resulting string */
587 ret = CoGetMalloc16(0,&mllc);
590 args[0] = (DWORD)mllc;
593 /* No need for a Callback entry, we have WOWCallback16Ex which does
594 * everything we need.
596 if (!WOWCallback16Ex(
597 (DWORD)((ICOM_VTABLE(IMalloc16)*)PTR_SEG_TO_LIN(
598 ICOM_VTBL(((LPMALLOC16)PTR_SEG_TO_LIN(mllc))))
605 WARN("CallTo16 IMalloc16 failed\n");
608 return WINE_StringFromCLSID(id,PTR_SEG_TO_LIN(*idstr));
611 /******************************************************************************
612 * StringFromCLSID [OLE32.151]
613 * Converts a GUID into the respective string representation.
614 * The target string is allocated using the OLE IMalloc.
616 * the string representation and HRESULT
618 HRESULT WINAPI StringFromCLSID(
619 REFCLSID id, /* [in] the GUID to be converted */
620 LPOLESTR *idstr /* [out] a pointer to a to-be-allocated pointer pointing to the resulting string */
626 if ((ret=CoGetMalloc(0,&mllc)))
629 ret=WINE_StringFromCLSID(id,buf);
631 *idstr = IMalloc_Alloc(mllc,strlen(buf)*2+2);
632 lstrcpyAtoW(*idstr,buf);
637 /******************************************************************************
638 * StringFromGUID2 [COMPOBJ.76] [OLE32.152]
640 * Converts a global unique identifier into a string of an API-
641 * specified fixed format. (The usual {.....} stuff.)
644 * The (UNICODE) string representation of the GUID in 'str'
645 * The length of the resulting string, 0 if there was any problem.
648 StringFromGUID2(REFGUID id, LPOLESTR str, INT cmax)
652 if (WINE_StringFromCLSID(id,xguid))
654 if (strlen(xguid)>=cmax)
656 lstrcpyAtoW(str,xguid);
657 return strlen(xguid) + 1;
660 /******************************************************************************
661 * ProgIDFromCLSID [OLE32.133]
662 * Converts a class id into the respective Program ID. (By using a registry lookup)
663 * RETURNS S_OK on success
664 * riid associated with the progid
667 HRESULT WINAPI ProgIDFromCLSID(
668 REFCLSID clsid, /* [in] class id as found in registry */
669 LPOLESTR *lplpszProgID/* [out] associated Prog ID */
672 char strCLSID[50], *buf, *buf2;
678 WINE_StringFromCLSID(clsid, strCLSID);
680 buf = HeapAlloc(GetProcessHeap(), 0, strlen(strCLSID)+14);
681 sprintf(buf,"CLSID\\%s\\ProgID", strCLSID);
682 if (RegOpenKeyA(HKEY_CLASSES_ROOT, buf, &xhkey))
683 ret = REGDB_E_CLASSNOTREG;
685 HeapFree(GetProcessHeap(), 0, buf);
689 buf2 = HeapAlloc(GetProcessHeap(), 0, 255);
691 if (RegQueryValueA(xhkey, NULL, buf2, &buf2len))
692 ret = REGDB_E_CLASSNOTREG;
696 if (CoGetMalloc(0,&mllc))
700 *lplpszProgID = IMalloc_Alloc(mllc, (buf2len+1)*2);
701 lstrcpyAtoW(*lplpszProgID, buf2);
704 HeapFree(GetProcessHeap(), 0, buf2);
711 /******************************************************************************
712 * CLSIDFromProgID16 [COMPOBJ.61]
713 * Converts a program id into the respective GUID. (By using a registry lookup)
715 * riid associated with the progid
717 HRESULT WINAPI CLSIDFromProgID16(
718 LPCOLESTR16 progid, /* [in] program id as found in registry */
719 LPCLSID riid /* [out] associated CLSID */
726 buf = HeapAlloc(GetProcessHeap(),0,strlen(progid)+8);
727 sprintf(buf,"%s\\CLSID",progid);
728 if ((err=RegOpenKeyA(HKEY_CLASSES_ROOT,buf,&xhkey))) {
729 HeapFree(GetProcessHeap(),0,buf);
730 return CO_E_CLASSSTRING;
732 HeapFree(GetProcessHeap(),0,buf);
733 buf2len = sizeof(buf2);
734 if ((err=RegQueryValueA(xhkey,NULL,buf2,&buf2len))) {
736 return CO_E_CLASSSTRING;
739 return CLSIDFromString16(buf2,riid);
742 /******************************************************************************
743 * CLSIDFromProgID [OLE32.2]
744 * Converts a program id into the respective GUID. (By using a registry lookup)
746 * riid associated with the progid
748 HRESULT WINAPI CLSIDFromProgID(
749 LPCOLESTR progid, /* [in] program id as found in registry */
750 LPCLSID riid /* [out] associated CLSID */
752 LPOLESTR16 pid = HEAP_strdupWtoA(GetProcessHeap(),0,progid);
753 HRESULT ret = CLSIDFromProgID16(pid,riid);
755 HeapFree(GetProcessHeap(),0,pid);
759 /***********************************************************************
762 * This function write a CLSID on stream
764 HRESULT WINAPI WriteClassStm(IStream *pStm,REFCLSID rclsid)
766 TRACE("(%p,%p)\n",pStm,rclsid);
771 return IStream_Write(pStm,rclsid,sizeof(CLSID),NULL);
774 /***********************************************************************
777 * This function read a CLSID from a stream
779 HRESULT WINAPI ReadClassStm(IStream *pStm,REFCLSID rclsid)
784 TRACE("(%p,%p)\n",pStm,rclsid);
789 res = IStream_Read(pStm,(void*)rclsid,sizeof(CLSID),&nbByte);
794 if (nbByte != sizeof(CLSID))
800 /* FIXME: this function is not declared in the WINELIB headers. But where should it go ? */
801 /***********************************************************************
802 * LookupETask (COMPOBJ.94)
804 HRESULT WINAPI LookupETask16(HTASK16 *hTask,LPVOID p) {
805 FIXME("(%p,%p),stub!\n",hTask,p);
806 if ((*hTask = GetCurrentTask()) == hETask) {
807 memcpy(p, Table_ETask, sizeof(Table_ETask));
812 /* FIXME: this function is not declared in the WINELIB headers. But where should it go ? */
813 /***********************************************************************
814 * SetETask (COMPOBJ.95)
816 HRESULT WINAPI SetETask16(HTASK16 hTask, LPVOID p) {
817 FIXME("(%04x,%p),stub!\n",hTask,p);
822 /* FIXME: this function is not declared in the WINELIB headers. But where should it go ? */
823 /***********************************************************************
824 * CallObjectInWOW (COMPOBJ.201)
826 HRESULT WINAPI CallObjectInWOW(LPVOID p1,LPVOID p2) {
827 FIXME("(%p,%p),stub!\n",p1,p2);
831 /******************************************************************************
832 * CoRegisterClassObject16 [COMPOBJ.5]
834 * Don't know where it registers it ...
836 HRESULT WINAPI CoRegisterClassObject16(
839 DWORD dwClsContext, /* [in] CLSCTX flags indicating the context in which to run the executable */
840 DWORD flags, /* [in] REGCLS flags indicating how connections are made */
845 WINE_StringFromCLSID(rclsid,buf);
847 FIXME("(%s,%p,0x%08lx,0x%08lx,%p),stub\n",
848 buf,pUnk,dwClsContext,flags,lpdwRegister
854 /******************************************************************************
855 * CoRevokeClassObject16 [COMPOBJ.6]
858 HRESULT WINAPI CoRevokeClassObject16(DWORD dwRegister /* token on class obj */)
860 FIXME("(0x%08lx),stub!\n", dwRegister);
866 * COM_GetRegisteredClassObject
868 * This internal method is used to scan the registered class list to
869 * find a class object.
872 * rclsid Class ID of the class to find.
873 * dwClsContext Class context to match.
874 * ppv [out] returns a pointer to the class object. Complying
875 * to normal COM usage, this method will increase the
876 * reference count on this object.
878 static HRESULT COM_GetRegisteredClassObject(
883 RegisteredClass* curClass;
891 * Iterate through the whole list and try to match the class ID.
893 curClass = firstRegisteredClass;
895 while (curClass != 0)
898 * Check if we have a match on the class ID.
900 if (IsEqualGUID(&(curClass->classIdentifier), rclsid))
903 * Since we don't do out-of process or DCOM just right away, let's ignore the
908 * We have a match, return the pointer to the class object.
910 *ppUnk = curClass->classObject;
912 IUnknown_AddRef(curClass->classObject);
918 * Step to the next class in the list.
920 curClass = curClass->nextClass;
924 * If we get to here, we haven't found our class.
929 /******************************************************************************
930 * CoRegisterClassObject [OLE32.36]
932 * This method will register the class object for a given class ID.
934 * See the Windows documentation for more details.
936 HRESULT WINAPI CoRegisterClassObject(
939 DWORD dwClsContext, /* [in] CLSCTX flags indicating the context in which to run the executable */
940 DWORD flags, /* [in] REGCLS flags indicating how connections are made */
944 RegisteredClass* newClass;
945 LPUNKNOWN foundObject;
949 WINE_StringFromCLSID(rclsid,buf);
951 TRACE("(%s,%p,0x%08lx,0x%08lx,%p)\n",
952 buf,pUnk,dwClsContext,flags,lpdwRegister);
955 * Perform a sanity check on the parameters
957 if ( (lpdwRegister==0) || (pUnk==0) )
963 * Initialize the cookie (out parameter)
968 * First, check if the class is already registered.
969 * If it is, this should cause an error.
971 hr = COM_GetRegisteredClassObject(rclsid, dwClsContext, &foundObject);
976 * The COM_GetRegisteredClassObject increased the reference count on the
977 * object so it has to be released.
979 IUnknown_Release(foundObject);
981 return CO_E_OBJISREG;
985 * If it is not registered, we must create a new entry for this class and
986 * append it to the registered class list.
987 * We use the address of the chain node as the cookie since we are sure it's
990 newClass = HeapAlloc(GetProcessHeap(), 0, sizeof(RegisteredClass));
993 * Initialize the node.
995 newClass->classIdentifier = *rclsid;
996 newClass->runContext = dwClsContext;
997 newClass->connectFlags = flags;
998 newClass->dwCookie = (DWORD)newClass;
999 newClass->nextClass = firstRegisteredClass;
1002 * Since we're making a copy of the object pointer, we have to increase its
1005 newClass->classObject = pUnk;
1006 IUnknown_AddRef(newClass->classObject);
1008 firstRegisteredClass = newClass;
1011 * Assign the out parameter (cookie)
1013 *lpdwRegister = newClass->dwCookie;
1016 * We're successful Yippee!
1021 /***********************************************************************
1022 * CoRevokeClassObject [OLE32.40]
1024 * This method will remove a class object from the class registry
1026 * See the Windows documentation for more details.
1028 HRESULT WINAPI CoRevokeClassObject(
1031 RegisteredClass** prevClassLink;
1032 RegisteredClass* curClass;
1034 TRACE("(%08lx)\n",dwRegister);
1037 * Iterate through the whole list and try to match the cookie.
1039 curClass = firstRegisteredClass;
1040 prevClassLink = &firstRegisteredClass;
1042 while (curClass != 0)
1045 * Check if we have a match on the cookie.
1047 if (curClass->dwCookie == dwRegister)
1050 * Remove the class from the chain.
1052 *prevClassLink = curClass->nextClass;
1055 * Release the reference to the class object.
1057 IUnknown_Release(curClass->classObject);
1060 * Free the memory used by the chain node.
1062 HeapFree(GetProcessHeap(), 0, curClass);
1068 * Step to the next class in the list.
1070 prevClassLink = &(curClass->nextClass);
1071 curClass = curClass->nextClass;
1075 * If we get to here, we haven't found our class.
1077 return E_INVALIDARG;
1080 /***********************************************************************
1081 * CoGetClassObject [COMPOBJ.7]
1083 HRESULT WINAPI CoGetClassObject(REFCLSID rclsid, DWORD dwClsContext,
1084 LPVOID pvReserved, REFIID iid, LPVOID *ppv)
1086 LPUNKNOWN regClassObject;
1087 HRESULT hres = E_UNEXPECTED;
1089 WCHAR dllName[MAX_PATH+1];
1090 DWORD dllNameLen = sizeof(dllName);
1092 typedef HRESULT (CALLBACK *DllGetClassObjectFunc)(REFCLSID clsid,
1093 REFIID iid, LPVOID *ppv);
1094 DllGetClassObjectFunc DllGetClassObject;
1096 WINE_StringFromCLSID((LPCLSID)rclsid,xclsid);
1098 TRACE("\n\tCLSID:\t%s,\n\tIID:\t%s\n",
1099 debugstr_guid(rclsid),
1104 * First, try and see if we can't match the class ID with one of the
1105 * registered classes.
1107 if (S_OK == COM_GetRegisteredClassObject(rclsid, dwClsContext, ®ClassObject))
1110 * Get the required interface from the retrieved pointer.
1112 hres = IUnknown_QueryInterface(regClassObject, iid, ppv);
1115 * Since QI got another reference on the pointer, we want to release the
1116 * one we already have. If QI was unsuccessful, this will release the object. This
1117 * is good since we are not returning it in the "out" parameter.
1119 IUnknown_Release(regClassObject);
1124 /* out of process and remote servers not supported yet */
1125 if (((CLSCTX_LOCAL_SERVER|CLSCTX_REMOTE_SERVER) & dwClsContext)
1126 && !((CLSCTX_INPROC_SERVER|CLSCTX_INPROC_HANDLER) & dwClsContext)){
1127 FIXME("CLSCTX_LOCAL_SERVER and CLSCTX_REMOTE_SERVER not supported!\n");
1128 return E_ACCESSDENIED;
1131 if ((CLSCTX_INPROC_SERVER|CLSCTX_INPROC_HANDLER) & dwClsContext) {
1133 WCHAR valname[]={ 'I','n','p','r','o','c',
1134 'S','e','r','v','e','r','3','2',0};
1136 /* lookup CLSID in registry key HKCR/CLSID */
1137 hres = RegOpenKeyExA(HKEY_CLASSES_ROOT, "CLSID", 0,
1138 KEY_READ, &CLSIDkey);
1140 if (hres != ERROR_SUCCESS)
1141 return REGDB_E_READREGDB;
1142 hres = RegOpenKeyExA(CLSIDkey,xclsid,0,KEY_QUERY_VALUE,&key);
1143 if (hres != ERROR_SUCCESS) {
1144 RegCloseKey(CLSIDkey);
1145 return REGDB_E_CLASSNOTREG;
1147 memset(dllName,0,sizeof(dllName));
1148 hres = RegQueryValueW(key, valname, dllName, &dllNameLen);
1150 ERR("RegQueryValue of %s failed with hres %lx\n",debugstr_w(dllName),hres);
1151 return REGDB_E_CLASSNOTREG; /* FIXME: check retval */
1154 RegCloseKey(CLSIDkey);
1155 if (hres != ERROR_SUCCESS)
1156 return REGDB_E_READREGDB;
1157 TRACE("found InprocServer32 dll %s\n", debugstr_w(dllName));
1159 /* open dll, call DllGetClassObject */
1160 hLibrary = CoLoadLibrary(dllName, TRUE);
1161 if (hLibrary == 0) {
1162 FIXME("couldn't load InprocServer32 dll %s\n", debugstr_w(dllName));
1163 return E_ACCESSDENIED; /* or should this be CO_E_DLLNOTFOUND? */
1165 DllGetClassObject = (DllGetClassObjectFunc)GetProcAddress(hLibrary, "DllGetClassObject");
1166 if (!DllGetClassObject) {
1167 /* not sure if this should be called here CoFreeLibrary(hLibrary);*/
1168 FIXME("couldn't find function DllGetClassObject in %s\n", debugstr_w(dllName));
1169 return E_ACCESSDENIED;
1173 * Ask the DLL for its class object. (there was a note here about class
1174 * factories but this is good.
1176 return DllGetClassObject(rclsid, iid, ppv);
1181 /***********************************************************************
1182 * CoResumeClassObjects
1184 * Resumes classobjects registered with REGCLS suspended
1186 HRESULT WINAPI CoResumeClassObjects(void)
1192 /***********************************************************************
1195 * This function supplies the CLSID associated with the given filename.
1197 HRESULT WINAPI GetClassFile(LPOLESTR filePathName,CLSID *pclsid)
1201 int nbElm=0,length=0,i=0;
1203 LPOLESTR *pathDec=0,absFile=0,progId=0;
1204 WCHAR extention[100]={0};
1208 /* if the file contain a storage object the return the CLSID writen by IStorage_SetClass method*/
1209 if((StgIsStorageFile(filePathName))==S_OK){
1211 res=StgOpenStorage(filePathName,NULL,STGM_READ | STGM_SHARE_DENY_WRITE,NULL,0,&pstg);
1214 res=ReadClassStg(pstg,pclsid);
1216 IStorage_Release(pstg);
1220 /* if the file is not a storage object then attemps to match various bits in the file against a
1221 pattern in the registry. this case is not frequently used ! so I present only the psodocode for
1224 for(i=0;i<nFileTypes;i++)
1226 for(i=0;j<nPatternsForType;j++){
1231 pat=ReadPatternFromRegistry(i,j);
1232 hFile=CreateFileW(filePathName,,,,,,hFile);
1233 SetFilePosition(hFile,pat.offset);
1234 ReadFile(hFile,buf,pat.size,NULL,NULL);
1235 if (memcmp(buf&pat.mask,pat.pattern.pat.size)==0){
1237 *pclsid=ReadCLSIDFromRegistry(i);
1243 /* if the obove strategies fail then search for the extension key in the registry */
1245 /* get the last element (absolute file) in the path name */
1246 nbElm=FileMonikerImpl_DecomposePath(filePathName,&pathDec);
1247 absFile=pathDec[nbElm-1];
1249 /* failed if the path represente a directory and not an absolute file name*/
1250 if (lstrcmpW(absFile,(LPOLESTR)"\\"))
1251 return MK_E_INVALIDEXTENSION;
1253 /* get the extension of the file */
1254 length=lstrlenW(absFile);
1255 for(i=length-1; ( (i>=0) && (extention[i]=absFile[i]) );i--);
1257 /* get the progId associated to the extension */
1258 progId=CoTaskMemAlloc(sizeProgId);
1260 res=RegQueryValueW(HKEY_CLASSES_ROOT,extention,progId,&sizeProgId);
1262 if (res==ERROR_MORE_DATA){
1264 progId = CoTaskMemRealloc(progId,sizeProgId);
1265 res=RegQueryValueW(HKEY_CLASSES_ROOT,extention,progId,&sizeProgId);
1267 if (res==ERROR_SUCCESS)
1268 /* return the clsid associated to the progId */
1269 res= CLSIDFromProgID(progId,pclsid);
1271 for(i=0; pathDec[i]!=NULL;i++)
1272 CoTaskMemFree(pathDec[i]);
1273 CoTaskMemFree(pathDec);
1275 CoTaskMemFree(progId);
1277 if (res==ERROR_SUCCESS)
1280 return MK_E_INVALIDEXTENSION;
1282 /******************************************************************************
1283 * CoRegisterMessageFilter16 [COMPOBJ.27]
1285 HRESULT WINAPI CoRegisterMessageFilter16(
1286 LPMESSAGEFILTER lpMessageFilter,
1287 LPMESSAGEFILTER *lplpMessageFilter
1289 FIXME("(%p,%p),stub!\n",lpMessageFilter,lplpMessageFilter);
1293 /***********************************************************************
1294 * CoCreateInstance [COMPOBJ.13, OLE32.7]
1296 HRESULT WINAPI CoCreateInstance(
1298 LPUNKNOWN pUnkOuter,
1304 LPCLASSFACTORY lpclf = 0;
1313 * Initialize the "out" parameter
1318 * Get a class factory to construct the object we want.
1320 hres = CoGetClassObject(rclsid,
1330 * Create the object and don't forget to release the factory
1332 hres = IClassFactory_CreateInstance(lpclf, pUnkOuter, iid, ppv);
1333 IClassFactory_Release(lpclf);
1338 /***********************************************************************
1339 * CoCreateInstanceEx [OLE32.165]
1341 HRESULT WINAPI CoCreateInstanceEx(
1343 LPUNKNOWN pUnkOuter,
1345 COSERVERINFO* pServerInfo,
1349 IUnknown* pUnk = NULL;
1352 int successCount = 0;
1357 if ( (cmq==0) || (pResults==NULL))
1358 return E_INVALIDARG;
1360 if (pServerInfo!=NULL)
1361 FIXME("() non-NULL pServerInfo not supported!\n");
1364 * Initialize all the "out" parameters.
1366 for (index = 0; index < cmq; index++)
1368 pResults[index].pItf = NULL;
1369 pResults[index].hr = E_NOINTERFACE;
1373 * Get the object and get its IUnknown pointer.
1375 hr = CoCreateInstance(rclsid,
1385 * Then, query for all the interfaces requested.
1387 for (index = 0; index < cmq; index++)
1389 pResults[index].hr = IUnknown_QueryInterface(pUnk,
1390 pResults[index].pIID,
1391 (VOID**)&(pResults[index].pItf));
1393 if (pResults[index].hr == S_OK)
1398 * Release our temporary unknown pointer.
1400 IUnknown_Release(pUnk);
1402 if (successCount == 0)
1403 return E_NOINTERFACE;
1405 if (successCount!=cmq)
1406 return CO_S_NOTALLINTERFACES;
1411 /***********************************************************************
1412 * CoFreeLibrary [COMPOBJ.13]
1414 void WINAPI CoFreeLibrary(HINSTANCE hLibrary)
1416 OpenDll *ptr, *prev;
1419 /* lookup library in linked list */
1421 for (ptr = openDllList; ptr != NULL; ptr=ptr->next) {
1422 if (ptr->hLibrary == hLibrary) {
1429 /* shouldn't happen if user passed in a valid hLibrary */
1432 /* assert: ptr points to the library entry to free */
1434 /* free library and remove node from list */
1435 FreeLibrary(hLibrary);
1436 if (ptr == openDllList) {
1437 tmp = openDllList->next;
1438 HeapFree(GetProcessHeap(), 0, openDllList);
1442 HeapFree(GetProcessHeap(), 0, ptr);
1449 /***********************************************************************
1450 * CoFreeAllLibraries [COMPOBJ.12]
1452 void WINAPI CoFreeAllLibraries(void)
1456 for (ptr = openDllList; ptr != NULL; ) {
1458 CoFreeLibrary(ptr->hLibrary);
1465 /***********************************************************************
1466 * CoFreeUnusedLibraries [COMPOBJ.17]
1468 void WINAPI CoFreeUnusedLibraries(void)
1471 typedef HRESULT(*DllCanUnloadNowFunc)(void);
1472 DllCanUnloadNowFunc DllCanUnloadNow;
1474 for (ptr = openDllList; ptr != NULL; ) {
1475 DllCanUnloadNow = (DllCanUnloadNowFunc)
1476 GetProcAddress(ptr->hLibrary, "DllCanUnloadNow");
1478 if ( (DllCanUnloadNow != NULL) &&
1479 (DllCanUnloadNow() == S_OK) ) {
1481 CoFreeLibrary(ptr->hLibrary);
1489 /***********************************************************************
1490 * CoFileTimeNow [COMPOBJ.82, OLE32.10]
1492 * the current system time in lpFileTime
1494 HRESULT WINAPI CoFileTimeNow( FILETIME *lpFileTime ) /* [out] the current time */
1496 GetSystemTimeAsFileTime( lpFileTime );
1500 /***********************************************************************
1501 * CoTaskMemAlloc (OLE32.43)
1503 * pointer to newly allocated block
1505 LPVOID WINAPI CoTaskMemAlloc(
1506 ULONG size /* [in] size of memoryblock to be allocated */
1509 HRESULT ret = CoGetMalloc(0,&lpmalloc);
1514 return IMalloc_Alloc(lpmalloc,size);
1516 /***********************************************************************
1517 * CoTaskMemFree (OLE32.44)
1519 VOID WINAPI CoTaskMemFree(
1520 LPVOID ptr /* [in] pointer to be freed */
1523 HRESULT ret = CoGetMalloc(0,&lpmalloc);
1528 IMalloc_Free(lpmalloc, ptr);
1531 /***********************************************************************
1532 * CoTaskMemRealloc (OLE32.45)
1534 * pointer to newly allocated block
1536 LPVOID WINAPI CoTaskMemRealloc(
1538 ULONG size) /* [in] size of memoryblock to be allocated */
1541 HRESULT ret = CoGetMalloc(0,&lpmalloc);
1546 return IMalloc_Realloc(lpmalloc, pvOld, size);
1549 /***********************************************************************
1550 * CoLoadLibrary (OLE32.30)
1552 HINSTANCE WINAPI CoLoadLibrary(LPOLESTR lpszLibName, BOOL bAutoFree)
1558 TRACE("CoLoadLibrary(%p, %d\n", debugstr_w(lpszLibName), bAutoFree);
1560 hLibrary = LoadLibraryExW(lpszLibName, 0, LOAD_WITH_ALTERED_SEARCH_PATH);
1565 if (openDllList == NULL) {
1566 /* empty list -- add first node */
1567 openDllList = (OpenDll*)HeapAlloc(GetProcessHeap(),0, sizeof(OpenDll));
1568 openDllList->hLibrary=hLibrary;
1569 openDllList->next = NULL;
1571 /* search for this dll */
1573 for (ptr = openDllList; ptr->next != NULL; ptr=ptr->next) {
1574 if (ptr->hLibrary == hLibrary) {
1580 /* dll not found, add it */
1582 openDllList = (OpenDll*)HeapAlloc(GetProcessHeap(),0, sizeof(OpenDll));
1583 openDllList->hLibrary = hLibrary;
1584 openDllList->next = tmp;
1591 /***********************************************************************
1592 * CoInitializeWOW (OLE32.27)
1594 HRESULT WINAPI CoInitializeWOW(DWORD x,DWORD y) {
1595 FIXME("(0x%08lx,0x%08lx),stub!\n",x,y);
1599 /******************************************************************************
1600 * CoLockObjectExternal16 [COMPOBJ.63]
1602 HRESULT WINAPI CoLockObjectExternal16(
1603 LPUNKNOWN pUnk, /* [in] object to be locked */
1604 BOOL16 fLock, /* [in] do lock */
1605 BOOL16 fLastUnlockReleases /* [in] ? */
1607 FIXME("(%p,%d,%d),stub!\n",pUnk,fLock,fLastUnlockReleases);
1611 /******************************************************************************
1612 * CoLockObjectExternal [OLE32.31]
1614 HRESULT WINAPI CoLockObjectExternal(
1615 LPUNKNOWN pUnk, /* [in] object to be locked */
1616 BOOL fLock, /* [in] do lock */
1617 BOOL fLastUnlockReleases) /* [in] unlock all */
1623 * Increment the external lock coutner, COM_ExternalLockAddRef also
1624 * increment the object's internal lock counter.
1626 COM_ExternalLockAddRef( pUnk);
1631 * Decrement the external lock coutner, COM_ExternalLockRelease also
1632 * decrement the object's internal lock counter.
1634 COM_ExternalLockRelease( pUnk, fLastUnlockReleases);
1640 /***********************************************************************
1641 * CoGetState16 [COMPOBJ.115]
1643 HRESULT WINAPI CoGetState16(LPDWORD state)
1645 FIXME("(%p),stub!\n", state);
1649 /***********************************************************************
1650 * CoSetState [COM32.42]
1652 HRESULT WINAPI CoSetState(LPDWORD state)
1654 FIXME("(%p),stub!\n", state);
1655 if (state) *state = 0;
1658 /***********************************************************************
1659 * CoCreateFreeThreadedMarshaler [OLE32.5]
1661 HRESULT WINAPI CoCreateFreeThreadedMarshaler (LPUNKNOWN punkOuter, LPUNKNOWN* ppunkMarshal)
1663 FIXME ("(%p %p): stub\n", punkOuter, ppunkMarshal);
1669 /***********************************************************************
1670 * DllGetClassObject [OLE32.63]
1672 HRESULT WINAPI OLE32_DllGetClassObject(REFCLSID rclsid, REFIID iid,LPVOID *ppv)
1674 FIXME("\n\tCLSID:\t%s,\n\tIID:\t%s\n",debugstr_guid(rclsid),debugstr_guid(iid));
1676 return CLASS_E_CLASSNOTAVAILABLE;
1681 * COM_RevokeAllClasses
1683 * This method is called when the COM libraries are uninitialized to
1684 * release all the references to the class objects registered with
1687 static void COM_RevokeAllClasses()
1689 while (firstRegisteredClass!=0)
1691 CoRevokeClassObject(firstRegisteredClass->dwCookie);
1695 /****************************************************************************
1696 * COM External Lock methods implementation
1699 /****************************************************************************
1700 * Public - Method that increments the count for a IUnknown* in the linked
1701 * list. The item is inserted if not already in the list.
1703 static void COM_ExternalLockAddRef(
1706 COM_ExternalLock *externalLock = COM_ExternalLockFind(pUnk);
1709 * Add an external lock to the object. If it was already externally
1710 * locked, just increase the reference count. If it was not.
1711 * add the item to the list.
1713 if ( externalLock == EL_NOT_FOUND )
1714 COM_ExternalLockInsert(pUnk);
1716 externalLock->uRefCount++;
1719 * Add an internal lock to the object
1721 IUnknown_AddRef(pUnk);
1724 /****************************************************************************
1725 * Public - Method that decrements the count for a IUnknown* in the linked
1726 * list. The item is removed from the list if its count end up at zero or if
1729 static void COM_ExternalLockRelease(
1733 COM_ExternalLock *externalLock = COM_ExternalLockFind(pUnk);
1735 if ( externalLock != EL_NOT_FOUND )
1739 externalLock->uRefCount--; /* release external locks */
1740 IUnknown_Release(pUnk); /* release local locks as well */
1742 if ( bRelAll == FALSE )
1743 break; /* perform single release */
1745 } while ( externalLock->uRefCount > 0 );
1747 if ( externalLock->uRefCount == 0 ) /* get rid of the list entry */
1748 COM_ExternalLockDelete(externalLock);
1751 /****************************************************************************
1752 * Public - Method that frees the content of the list.
1754 static void COM_ExternalLockFreeList()
1756 COM_ExternalLock *head;
1758 head = elList.head; /* grab it by the head */
1759 while ( head != EL_END_OF_LIST )
1761 COM_ExternalLockDelete(head); /* get rid of the head stuff */
1763 head = elList.head; /* get the new head... */
1767 /****************************************************************************
1768 * Public - Method that dump the content of the list.
1770 void COM_ExternalLockDump()
1772 COM_ExternalLock *current = elList.head;
1774 DPRINTF("\nExternal lock list contains:\n");
1776 while ( current != EL_END_OF_LIST )
1778 DPRINTF( "\t%p with %lu references count.\n", current->pUnk, current->uRefCount);
1780 /* Skip to the next item */
1781 current = current->next;
1786 /****************************************************************************
1787 * Internal - Find a IUnknown* in the linked list
1789 static COM_ExternalLock* COM_ExternalLockFind(
1792 return COM_ExternalLockLocate(elList.head, pUnk);
1795 /****************************************************************************
1796 * Internal - Recursivity agent for IUnknownExternalLockList_Find
1798 static COM_ExternalLock* COM_ExternalLockLocate(
1799 COM_ExternalLock *element,
1802 if ( element == EL_END_OF_LIST )
1803 return EL_NOT_FOUND;
1805 else if ( element->pUnk == pUnk ) /* We found it */
1808 else /* Not the right guy, keep on looking */
1809 return COM_ExternalLockLocate( element->next, pUnk);
1812 /****************************************************************************
1813 * Internal - Insert a new IUnknown* to the linked list
1815 static BOOL COM_ExternalLockInsert(
1818 COM_ExternalLock *newLock = NULL;
1819 COM_ExternalLock *previousHead = NULL;
1822 * Allocate space for the new storage object
1824 newLock = HeapAlloc(GetProcessHeap(), 0, sizeof(COM_ExternalLock));
1828 if ( elList.head == EL_END_OF_LIST )
1830 elList.head = newLock; /* The list is empty */
1835 * insert does it at the head
1837 previousHead = elList.head;
1838 elList.head = newLock;
1842 * Set new list item data member
1844 newLock->pUnk = pUnk;
1845 newLock->uRefCount = 1;
1846 newLock->next = previousHead;
1854 /****************************************************************************
1855 * Internal - Method that removes an item from the linked list.
1857 static void COM_ExternalLockDelete(
1858 COM_ExternalLock *itemList)
1860 COM_ExternalLock *current = elList.head;
1862 if ( current == itemList )
1865 * this section handles the deletion of the first node
1867 elList.head = itemList->next;
1868 HeapFree( GetProcessHeap(), 0, itemList);
1874 if ( current->next == itemList ) /* We found the item to free */
1876 current->next = itemList->next; /* readjust the list pointers */
1878 HeapFree( GetProcessHeap(), 0, itemList);
1882 /* Skip to the next item */
1883 current = current->next;
1885 } while ( current != EL_END_OF_LIST );
1889 /***********************************************************************
1890 * COMPOBJ_DllEntryPoint [COMPOBJ.entry]
1892 * Initialization code for the COMPOBJ DLL
1896 BOOL WINAPI COMPOBJ_DllEntryPoint(DWORD Reason, HINSTANCE16 hInst, WORD ds, WORD HeapSize, DWORD res1, WORD res2)
1898 TRACE("(%08lx, %04x, %04x, %04x, %08lx, %04x)\n", Reason, hInst, ds, HeapSize,
1902 case DLL_PROCESS_ATTACH:
1904 if(COMPOBJ_hInstance)
1906 ERR("compobj.dll instantiated twice!\n");
1908 * We should return FALSE here, but that will break
1909 * most apps that use CreateProcess because we do
1910 * not yet support seperate address-spaces.
1915 COMPOBJ_hInstance = hInst;
1918 case DLL_PROCESS_DETACH:
1919 if(!--COMPOBJ_Attach)
1920 COMPOBJ_hInstance = 0;
1926 /******************************************************************************
1927 * OleGetAutoConvert [OLE32.104]
1929 HRESULT WINAPI OleGetAutoConvert(REFCLSID clsidOld, LPCLSID pClsidNew)
1936 sprintf(buf,"CLSID\\");WINE_StringFromCLSID(clsidOld,&buf[6]);
1937 if (RegOpenKeyA(HKEY_CLASSES_ROOT,buf,&hkey))
1938 return REGDB_E_CLASSNOTREG;
1940 if (RegQueryValueA(hkey,"AutoConvertTo",buf,&len))
1941 return REGDB_E_KEYMISSING;
1943 lstrcpyAtoW(wbuf,buf);
1944 CLSIDFromString(wbuf,pClsidNew);
1948 /***********************************************************************
1949 * IsEqualGUID [OLE32.76]
1951 * Compares two Unique Identifiers.
1957 BOOL WINAPI IsEqualGUID(
1958 REFGUID rguid1, /* [in] unique id 1 */
1959 REFGUID rguid2 /* [in] unique id 2 */
1962 return !memcmp(rguid1,rguid2,sizeof(GUID));