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/*
* COMPOBJ library
*
* Copyright 1995 Martin von Loewis
* Copyright 1998 Justin Bradford
* Copyright 1999 Francis Beaudet
* Copyright 1999 Sylvain St-Germain
* Copyright 2002 Marcus Meissner
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "objbase.h"
#include "ole2.h"
#include "ole2ver.h"
#include "rpc.h"
#include "winerror.h"
#include "winreg.h"
#include "wownt32.h"
#include "wine/unicode.h"
#include "objbase.h"
#include "ole32_main.h"
#include "compobj_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(ole);
/****************************************************************************
* This section defines variables internal to the COM module.
*
* TODO: Most of these things will have to be made thread-safe.
*/
HINSTANCE COMPOBJ_hInstance32 = 0;
static HRESULT COM_GetRegisteredClassObject(REFCLSID rclsid, DWORD dwClsContext, LPUNKNOWN* ppUnk);
static void COM_RevokeAllClasses();
static void COM_ExternalLockFreeList();
const CLSID CLSID_StdGlobalInterfaceTable = { 0x00000323, 0, 0, {0xc0, 0, 0, 0, 0, 0, 0, 0x46} };
APARTMENT MTA, *apts;
static CRITICAL_SECTION csApartment;
static CRITICAL_SECTION_DEBUG critsect_debug =
{
0, 0, &csApartment,
{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
0, 0, { 0, (DWORD)(__FILE__ ": csApartment") }
};
static CRITICAL_SECTION csApartment = { &critsect_debug, -1, 0, 0, 0, 0 };
/*
* This lock count counts the number of times CoInitialize is called. It is
* decreased every time CoUninitialize is called. When it hits 0, the COM
* libraries are freed
*/
static LONG s_COMLockCount = 0;
/*
* This linked list contains the list of registered class objects. These
* are mostly used to register the factories for out-of-proc servers of OLE
* objects.
*
* TODO: Make this data structure aware of inter-process communication. This
* means that parts of this will be exported to the Wine Server.
*/
typedef struct tagRegisteredClass
{
CLSID classIdentifier;
LPUNKNOWN classObject;
DWORD runContext;
DWORD connectFlags;
DWORD dwCookie;
HANDLE hThread; /* only for localserver */
struct tagRegisteredClass* nextClass;
} RegisteredClass;
static RegisteredClass* firstRegisteredClass = NULL;
static CRITICAL_SECTION csRegisteredClassList;
static CRITICAL_SECTION_DEBUG class_cs_debug =
{
0, 0, &csRegisteredClassList,
{ &class_cs_debug.ProcessLocksList, &class_cs_debug.ProcessLocksList },
0, 0, { 0, (DWORD)(__FILE__ ": csRegisteredClassList") }
};
static CRITICAL_SECTION csRegisteredClassList = { &class_cs_debug, -1, 0, 0, 0, 0 };
/*****************************************************************************
* This section contains OpenDllList definitions
*
* The OpenDllList contains only handles of dll loaded by CoGetClassObject or
* other functions what do LoadLibrary _without_ giving back a HMODULE.
* Without this list these handles would be freed never.
*
* FIXME: a DLL what says OK whenn asked for unloading is unloaded in the
* next unload-call but not before 600 sec.
*/
typedef struct tagOpenDll {
HINSTANCE hLibrary;
struct tagOpenDll *next;
} OpenDll;
static OpenDll *openDllList = NULL; /* linked list of open dlls */
static CRITICAL_SECTION csOpenDllList;
static CRITICAL_SECTION_DEBUG dll_cs_debug =
{
0, 0, &csOpenDllList,
{ &dll_cs_debug.ProcessLocksList, &dll_cs_debug.ProcessLocksList },
0, 0, { 0, (DWORD)(__FILE__ ": csOpenDllList") }
};
static CRITICAL_SECTION csOpenDllList = { &dll_cs_debug, -1, 0, 0, 0, 0 };
static const char aptWinClass[] = "WINE_OLE32_APT_CLASS";
static LRESULT CALLBACK COM_AptWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
static void COMPOBJ_DLLList_Add(HANDLE hLibrary);
static void COMPOBJ_DllList_FreeUnused(int Timeout);
/******************************************************************************
* Initialize/Unitialize threading stuff.
*/
void COMPOBJ_InitProcess( void )
{
WNDCLASSA wclass;
memset(&wclass, 0, sizeof(wclass));
wclass.lpfnWndProc = &COM_AptWndProc;
wclass.hInstance = OLE32_hInstance;
wclass.lpszClassName = aptWinClass;
RegisterClassA(&wclass);
}
void COMPOBJ_UninitProcess( void )
{
UnregisterClassA(aptWinClass, OLE32_hInstance);
}
/******************************************************************************
* Manage apartments.
*/
static void COM_InitMTA(void)
{
/* FIXME: how does windoze create OXIDs?
* this method will only work for local RPC */
MTA.oxid = ((OXID)GetCurrentProcessId() << 32);
InitializeCriticalSection(&MTA.cs);
}
static void COM_UninitMTA(void)
{
DeleteCriticalSection(&MTA.cs);
MTA.oxid = 0;
}
static APARTMENT* COM_CreateApartment(DWORD model)
{
APARTMENT *apt;
apt = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(APARTMENT));
apt->model = model;
apt->tid = GetCurrentThreadId();
DuplicateHandle(GetCurrentProcess(), GetCurrentThread(),
GetCurrentProcess(), &apt->thread,
THREAD_ALL_ACCESS, FALSE, 0);
if (model & COINIT_APARTMENTTHREADED) {
/* FIXME: how does windoze create OXIDs? */
apt->oxid = MTA.oxid | GetCurrentThreadId();
apt->win = CreateWindowA(aptWinClass, NULL, 0,
0, 0, 0, 0,
0, 0, OLE32_hInstance, NULL);
InitializeCriticalSection(&apt->cs);
}
else {
apt->parent = &MTA;
apt->oxid = MTA.oxid;
}
EnterCriticalSection(&csApartment);
if (apts) apts->prev = apt;
apt->next = apts;
apts = apt;
LeaveCriticalSection(&csApartment);
NtCurrentTeb()->ReservedForOle = apt;
return apt;
}
static void COM_DestroyApartment(APARTMENT *apt)
{
EnterCriticalSection(&csApartment);
if (apt->prev) apt->prev->next = apt->next;
if (apt->next) apt->next->prev = apt->prev;
if (apts == apt) apts = apt->next;
apt->prev = NULL; apt->next = NULL;
LeaveCriticalSection(&csApartment);
if (apt->model & COINIT_APARTMENTTHREADED) {
if (apt->win) DestroyWindow(apt->win);
DeleteCriticalSection(&apt->cs);
}
CloseHandle(apt->thread);
HeapFree(GetProcessHeap(), 0, apt);
}
HWND COM_GetApartmentWin(OXID oxid)
{
APARTMENT *apt;
HWND win = 0;
EnterCriticalSection(&csApartment);
apt = apts;
while (apt && apt->oxid != oxid) apt = apt->next;
if (apt) win = apt->win;
LeaveCriticalSection(&csApartment);
return win;
}
static LRESULT CALLBACK COM_AptWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
return DefWindowProcA(hWnd, msg, wParam, lParam);
}
/*****************************************************************************
* This section contains OpenDllList implemantation
*/
static void COMPOBJ_DLLList_Add(HANDLE hLibrary)
{
OpenDll *ptr;
OpenDll *tmp;
TRACE("\n");
EnterCriticalSection( &csOpenDllList );
if (openDllList == NULL) {
/* empty list -- add first node */
openDllList = (OpenDll*)HeapAlloc(GetProcessHeap(),0, sizeof(OpenDll));
openDllList->hLibrary=hLibrary;
openDllList->next = NULL;
} else {
/* search for this dll */
int found = FALSE;
for (ptr = openDllList; ptr->next != NULL; ptr=ptr->next) {
if (ptr->hLibrary == hLibrary) {
found = TRUE;
break;
}
}
if (!found) {
/* dll not found, add it */
tmp = openDllList;
openDllList = (OpenDll*)HeapAlloc(GetProcessHeap(),0, sizeof(OpenDll));
openDllList->hLibrary = hLibrary;
openDllList->next = tmp;
}
}
LeaveCriticalSection( &csOpenDllList );
}
static void COMPOBJ_DllList_FreeUnused(int Timeout)
{
OpenDll *curr, *next, *prev = NULL;
typedef HRESULT(*DllCanUnloadNowFunc)(void);
DllCanUnloadNowFunc DllCanUnloadNow;
TRACE("\n");
EnterCriticalSection( &csOpenDllList );
for (curr = openDllList; curr != NULL; ) {
DllCanUnloadNow = (DllCanUnloadNowFunc) GetProcAddress(curr->hLibrary, "DllCanUnloadNow");
if ( (DllCanUnloadNow != NULL) && (DllCanUnloadNow() == S_OK) ) {
next = curr->next;
TRACE("freeing %p\n", curr->hLibrary);
FreeLibrary(curr->hLibrary);
HeapFree(GetProcessHeap(), 0, curr);
if (curr == openDllList) {
openDllList = next;
} else {
prev->next = next;
}
curr = next;
} else {
prev = curr;
curr = curr->next;
}
}
LeaveCriticalSection( &csOpenDllList );
}
/******************************************************************************
* CoBuildVersion [COMPOBJ.1]
* CoBuildVersion [OLE32.4]
*
* RETURNS
* Current build version, hiword is majornumber, loword is minornumber
*/
DWORD WINAPI CoBuildVersion(void)
{
TRACE("Returning version %d, build %d.\n", rmm, rup);
return (rmm<<16)+rup;
}
/******************************************************************************
* CoInitialize [OLE32.26]
*
* Initializes the COM libraries.
*
* See CoInitializeEx
*/
HRESULT WINAPI CoInitialize(
LPVOID lpReserved /* [in] pointer to win32 malloc interface
(obsolete, should be NULL) */
)
{
/*
* Just delegate to the newer method.
*/
return CoInitializeEx(lpReserved, COINIT_APARTMENTTHREADED);
}
/******************************************************************************
* CoInitializeEx [OLE32.163]
*
* Initializes the COM libraries. The behavior used to set the win32 IMalloc
* used for memory management is obsolete.
*
* RETURNS
* S_OK if successful,
* S_FALSE if this function was called already.
* RPC_E_CHANGED_MODE if a previous call to CoInitialize specified another
* threading model.
*/
HRESULT WINAPI CoInitializeEx(
LPVOID lpReserved, /* [in] pointer to win32 malloc interface
(obsolete, should be NULL) */
DWORD dwCoInit /* [in] A value from COINIT specifies the threading model */
)
{
HRESULT hr = S_OK;
APARTMENT *apt;
TRACE("(%p, %x)\n", lpReserved, (int)dwCoInit);
if (lpReserved!=NULL)
{
ERR("(%p, %x) - Bad parameter passed-in %p, must be an old Windows Application\n", lpReserved, (int)dwCoInit, lpReserved);
}
apt = NtCurrentTeb()->ReservedForOle;
if (apt && dwCoInit != apt->model) return RPC_E_CHANGED_MODE;
hr = apt ? S_FALSE : S_OK;
/*
* Check the lock count. If this is the first time going through the initialize
* process, we have to initialize the libraries.
*
* And crank-up that lock count.
*/
if (InterlockedExchangeAdd(&s_COMLockCount,1)==0)
{
/*
* Initialize the various COM libraries and data structures.
*/
TRACE("() - Initializing the COM libraries\n");
COM_InitMTA();
RunningObjectTableImpl_Initialize();
}
if (!apt) apt = COM_CreateApartment(dwCoInit);
InterlockedIncrement(&apt->inits);
if (hr == S_OK) NtCurrentTeb()->ReservedForOle = apt;
return hr;
}
/***********************************************************************
* CoUninitialize [OLE32.47]
*
* This method will release the COM libraries.
*
* See the windows documentation for more details.
*/
void WINAPI CoUninitialize(void)
{
LONG lCOMRefCnt;
APARTMENT *apt;
TRACE("()\n");
apt = NtCurrentTeb()->ReservedForOle;
if (!apt) return;
if (InterlockedDecrement(&apt->inits)==0) {
NtCurrentTeb()->ReservedForOle = NULL;
COM_DestroyApartment(apt);
apt = NULL;
}
/*
* Decrease the reference count.
* If we are back to 0 locks on the COM library, make sure we free
* all the associated data structures.
*/
lCOMRefCnt = InterlockedExchangeAdd(&s_COMLockCount,-1);
if (lCOMRefCnt==1)
{
/*
* Release the various COM libraries and data structures.
*/
TRACE("() - Releasing the COM libraries\n");
RunningObjectTableImpl_UnInitialize();
/*
* Release the references to the registered class objects.
*/
COM_RevokeAllClasses();
/*
* This will free the loaded COM Dlls.
*/
CoFreeAllLibraries();
/*
* This will free list of external references to COM objects.
*/
COM_ExternalLockFreeList();
COM_UninitMTA();
}
else if (lCOMRefCnt<1) {
ERR( "CoUninitialize() - not CoInitialized.\n" );
InterlockedExchangeAdd(&s_COMLockCount,1); /* restore the lock count. */
}
}
/******************************************************************************
* CoDisconnectObject [COMPOBJ.15]
* CoDisconnectObject [OLE32.8]
*/
HRESULT WINAPI CoDisconnectObject( LPUNKNOWN lpUnk, DWORD reserved )
{
TRACE("(%p, %lx)\n",lpUnk,reserved);
return S_OK;
}
/******************************************************************************
* CoCreateGuid[OLE32.6]
*
*/
HRESULT WINAPI CoCreateGuid(
GUID *pguid /* [out] points to the GUID to initialize */
) {
return UuidCreate(pguid);
}
/******************************************************************************
* CLSIDFromString [OLE32.3]
* IIDFromString [OLE32.74]
* Converts a unique identifier from its string representation into
* the GUID struct.
*
* UNDOCUMENTED
* If idstr is not a valid CLSID string then it gets treated as a ProgID
*
* RETURNS
* the converted GUID
*/
HRESULT WINAPI __CLSIDFromStringA(
LPCSTR idstr, /* [in] string representation of guid */
CLSID *id) /* [out] GUID converted from string */
{
BYTE *s = (BYTE *) idstr;
int i;
BYTE table[256];
if (!s)
s = "{00000000-0000-0000-0000-000000000000}";
else { /* validate the CLSID string */
if (strlen(s) != 38)
return CO_E_CLASSSTRING;
if ((s[0]!='{') || (s[9]!='-') || (s[14]!='-') || (s[19]!='-') || (s[24]!='-') || (s[37]!='}'))
return CO_E_CLASSSTRING;
for (i=1; i<37; i++) {
if ((i == 9)||(i == 14)||(i == 19)||(i == 24)) continue;
if (!(((s[i] >= '0') && (s[i] <= '9')) ||
((s[i] >= 'a') && (s[i] <= 'f')) ||
((s[i] >= 'A') && (s[i] <= 'F'))))
return CO_E_CLASSSTRING;
}
}
TRACE("%s -> %p\n", s, id);
/* quick lookup table */
memset(table, 0, 256);
for (i = 0; i < 10; i++) {
table['0' + i] = i;
}
for (i = 0; i < 6; i++) {
table['A' + i] = i+10;
table['a' + i] = i+10;
}
/* in form {XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX} */
id->Data1 = (table[s[1]] << 28 | table[s[2]] << 24 | table[s[3]] << 20 | table[s[4]] << 16 |
table[s[5]] << 12 | table[s[6]] << 8 | table[s[7]] << 4 | table[s[8]]);
id->Data2 = table[s[10]] << 12 | table[s[11]] << 8 | table[s[12]] << 4 | table[s[13]];
id->Data3 = table[s[15]] << 12 | table[s[16]] << 8 | table[s[17]] << 4 | table[s[18]];
/* these are just sequential bytes */
id->Data4[0] = table[s[20]] << 4 | table[s[21]];
id->Data4[1] = table[s[22]] << 4 | table[s[23]];
id->Data4[2] = table[s[25]] << 4 | table[s[26]];
id->Data4[3] = table[s[27]] << 4 | table[s[28]];
id->Data4[4] = table[s[29]] << 4 | table[s[30]];
id->Data4[5] = table[s[31]] << 4 | table[s[32]];
id->Data4[6] = table[s[33]] << 4 | table[s[34]];
id->Data4[7] = table[s[35]] << 4 | table[s[36]];
return S_OK;
}
/*****************************************************************************/
HRESULT WINAPI CLSIDFromString(
LPCOLESTR idstr, /* [in] string representation of GUID */
CLSID *id ) /* [out] GUID represented by above string */
{
char xid[40];
HRESULT ret;
if (!WideCharToMultiByte( CP_ACP, 0, idstr, -1, xid, sizeof(xid), NULL, NULL ))
return CO_E_CLASSSTRING;
ret = __CLSIDFromStringA(xid,id);
if(ret != S_OK) { /* It appears a ProgID is also valid */
ret = CLSIDFromProgID(idstr, id);
}
return ret;
}
/******************************************************************************
* WINE_StringFromCLSID [Internal]
* Converts a GUID into the respective string representation.
*
* NOTES
*
* RETURNS
* the string representation and HRESULT
*/
HRESULT WINE_StringFromCLSID(
const CLSID *id, /* [in] GUID to be converted */
LPSTR idstr /* [out] pointer to buffer to contain converted guid */
) {
static const char *hex = "0123456789ABCDEF";
char *s;
int i;
if (!id)
{ ERR("called with id=Null\n");
*idstr = 0x00;
return E_FAIL;
}
sprintf(idstr, "{%08lX-%04X-%04X-%02X%02X-",
id->Data1, id->Data2, id->Data3,
id->Data4[0], id->Data4[1]);
s = &idstr[25];
/* 6 hex bytes */
for (i = 2; i < 8; i++) {
*s++ = hex[id->Data4[i]>>4];
*s++ = hex[id->Data4[i] & 0xf];
}
*s++ = '}';
*s++ = '\0';
TRACE("%p->%s\n", id, idstr);
return S_OK;
}
/******************************************************************************
* StringFromCLSID [OLE32.151]
* StringFromIID [OLE32.153]
* Converts a GUID into the respective string representation.
* The target string is allocated using the OLE IMalloc.
* RETURNS
* the string representation and HRESULT
*/
HRESULT WINAPI StringFromCLSID(
REFCLSID id, /* [in] the GUID to be converted */
LPOLESTR *idstr /* [out] a pointer to a to-be-allocated pointer pointing to the resulting string */
) {
char buf[80];
HRESULT ret;
LPMALLOC mllc;
if ((ret=CoGetMalloc(0,&mllc)))
return ret;
ret=WINE_StringFromCLSID(id,buf);
if (!ret) {
DWORD len = MultiByteToWideChar( CP_ACP, 0, buf, -1, NULL, 0 );
*idstr = IMalloc_Alloc( mllc, len * sizeof(WCHAR) );
MultiByteToWideChar( CP_ACP, 0, buf, -1, *idstr, len );
}
return ret;
}
/******************************************************************************
* StringFromGUID2 [COMPOBJ.76]
* StringFromGUID2 [OLE32.152]
*
* Converts a global unique identifier into a string of an API-
* specified fixed format. (The usual {.....} stuff.)
*
* RETURNS
* The (UNICODE) string representation of the GUID in 'str'
* The length of the resulting string, 0 if there was any problem.
*/
INT WINAPI
StringFromGUID2(REFGUID id, LPOLESTR str, INT cmax)
{
char xguid[80];
if (WINE_StringFromCLSID(id,xguid))
return 0;
return MultiByteToWideChar( CP_ACP, 0, xguid, -1, str, cmax );
}
/******************************************************************************
* ProgIDFromCLSID [OLE32.133]
* Converts a class id into the respective Program ID. (By using a registry lookup)
* RETURNS S_OK on success
* riid associated with the progid
*/
HRESULT WINAPI ProgIDFromCLSID(
REFCLSID clsid, /* [in] class id as found in registry */
LPOLESTR *lplpszProgID/* [out] associated Prog ID */
)
{
char strCLSID[50], *buf, *buf2;
DWORD buf2len;
HKEY xhkey;
LPMALLOC mllc;
HRESULT ret = S_OK;
WINE_StringFromCLSID(clsid, strCLSID);
buf = HeapAlloc(GetProcessHeap(), 0, strlen(strCLSID)+14);
sprintf(buf,"CLSID\\%s\\ProgID", strCLSID);
if (RegOpenKeyA(HKEY_CLASSES_ROOT, buf, &xhkey))
ret = REGDB_E_CLASSNOTREG;
HeapFree(GetProcessHeap(), 0, buf);
if (ret == S_OK)
{
buf2 = HeapAlloc(GetProcessHeap(), 0, 255);
buf2len = 255;
if (RegQueryValueA(xhkey, NULL, buf2, &buf2len))
ret = REGDB_E_CLASSNOTREG;
if (ret == S_OK)
{
if (CoGetMalloc(0,&mllc))
ret = E_OUTOFMEMORY;
else
{
DWORD len = MultiByteToWideChar( CP_ACP, 0, buf2, -1, NULL, 0 );
*lplpszProgID = IMalloc_Alloc(mllc, len * sizeof(WCHAR) );
MultiByteToWideChar( CP_ACP, 0, buf2, -1, *lplpszProgID, len );
}
}
HeapFree(GetProcessHeap(), 0, buf2);
}
RegCloseKey(xhkey);
return ret;
}
/******************************************************************************
* CLSIDFromProgID [COMPOBJ.61]
* Converts a program id into the respective GUID. (By using a registry lookup)
* RETURNS
* riid associated with the progid
*/
HRESULT WINAPI CLSIDFromProgID16(
LPCOLESTR16 progid, /* [in] program id as found in registry */
LPCLSID riid /* [out] associated CLSID */
) {
char *buf,buf2[80];
DWORD buf2len;
HRESULT err;
HKEY xhkey;
buf = HeapAlloc(GetProcessHeap(),0,strlen(progid)+8);
sprintf(buf,"%s\\CLSID",progid);
if ((err=RegOpenKeyA(HKEY_CLASSES_ROOT,buf,&xhkey))) {
HeapFree(GetProcessHeap(),0,buf);
return CO_E_CLASSSTRING;
}
HeapFree(GetProcessHeap(),0,buf);
buf2len = sizeof(buf2);
if ((err=RegQueryValueA(xhkey,NULL,buf2,&buf2len))) {
RegCloseKey(xhkey);
return CO_E_CLASSSTRING;
}
RegCloseKey(xhkey);
return __CLSIDFromStringA(buf2,riid);
}
/******************************************************************************
* CLSIDFromProgID [OLE32.2]
* Converts a program id into the respective GUID. (By using a registry lookup)
* RETURNS
* riid associated with the progid
*/
HRESULT WINAPI CLSIDFromProgID(
LPCOLESTR progid, /* [in] program id as found in registry */
LPCLSID riid ) /* [out] associated CLSID */
{
static const WCHAR clsidW[] = { '\\','C','L','S','I','D',0 };
char buf2[80];
DWORD buf2len = sizeof(buf2);
HKEY xhkey;
WCHAR *buf = HeapAlloc( GetProcessHeap(),0,(strlenW(progid)+8) * sizeof(WCHAR) );
strcpyW( buf, progid );
strcatW( buf, clsidW );
if (RegOpenKeyW(HKEY_CLASSES_ROOT,buf,&xhkey))
{
HeapFree(GetProcessHeap(),0,buf);
return CO_E_CLASSSTRING;
}
HeapFree(GetProcessHeap(),0,buf);
if (RegQueryValueA(xhkey,NULL,buf2,&buf2len))
{
RegCloseKey(xhkey);
return CO_E_CLASSSTRING;
}
RegCloseKey(xhkey);
return __CLSIDFromStringA(buf2,riid);
}
/*****************************************************************************
* CoGetPSClsid [OLE32.22]
*
* This function returns the CLSID of the DLL that implements the proxy and stub
* for the specified interface.
*
* It determines this by searching the
* HKEY_CLASSES_ROOT\Interface\{string form of riid}\ProxyStubClsid32 in the registry
* and any interface id registered by CoRegisterPSClsid within the current process.
*
* FIXME: We only search the registry, not ids registered with CoRegisterPSClsid.
*/
HRESULT WINAPI CoGetPSClsid(
REFIID riid, /* [in] Interface whose proxy/stub CLSID is to be returned */
CLSID *pclsid ) /* [out] Where to store returned proxy/stub CLSID */
{
char *buf, buf2[40];
DWORD buf2len;
HKEY xhkey;
TRACE("() riid=%s, pclsid=%p\n", debugstr_guid(riid), pclsid);
/* Get the input iid as a string */
WINE_StringFromCLSID(riid, buf2);
/* Allocate memory for the registry key we will construct.
(length of iid string plus constant length of static text */
buf = HeapAlloc(GetProcessHeap(), 0, strlen(buf2)+27);
if (buf == NULL)
{
return (E_OUTOFMEMORY);
}
/* Construct the registry key we want */
sprintf(buf,"Interface\\%s\\ProxyStubClsid32", buf2);
/* Open the key.. */
if (RegOpenKeyA(HKEY_CLASSES_ROOT, buf, &xhkey))
{
HeapFree(GetProcessHeap(),0,buf);
return (E_INVALIDARG);
}
HeapFree(GetProcessHeap(),0,buf);
/* ... Once we have the key, query the registry to get the
value of CLSID as a string, and convert it into a
proper CLSID structure to be passed back to the app */
buf2len = sizeof(buf2);
if ( (RegQueryValueA(xhkey,NULL,buf2,&buf2len)) )
{
RegCloseKey(xhkey);
return E_INVALIDARG;
}
RegCloseKey(xhkey);
/* We have the CLSid we want back from the registry as a string, so
lets convert it into a CLSID structure */
if ( (__CLSIDFromStringA(buf2,pclsid)) != NOERROR) {
return E_INVALIDARG;
}
TRACE ("() Returning CLSID=%s\n", debugstr_guid(pclsid));
return (S_OK);
}
/***********************************************************************
* WriteClassStm (OLE32.159)
*
* This function write a CLSID on stream
*/
HRESULT WINAPI WriteClassStm(IStream *pStm,REFCLSID rclsid)
{
TRACE("(%p,%p)\n",pStm,rclsid);
if (rclsid==NULL)
return E_INVALIDARG;
return IStream_Write(pStm,rclsid,sizeof(CLSID),NULL);
}
/***********************************************************************
* ReadClassStm (OLE32.135)
*
* This function read a CLSID from a stream
*/
HRESULT WINAPI ReadClassStm(IStream *pStm,CLSID *pclsid)
{
ULONG nbByte;
HRESULT res;
TRACE("(%p,%p)\n",pStm,pclsid);
if (pclsid==NULL)
return E_INVALIDARG;
res = IStream_Read(pStm,(void*)pclsid,sizeof(CLSID),&nbByte);
if (FAILED(res))
return res;
if (nbByte != sizeof(CLSID))
return S_FALSE;
else
return S_OK;
}
/***
* COM_GetRegisteredClassObject
*
* This internal method is used to scan the registered class list to
* find a class object.
*
* Params:
* rclsid Class ID of the class to find.
* dwClsContext Class context to match.
* ppv [out] returns a pointer to the class object. Complying
* to normal COM usage, this method will increase the
* reference count on this object.
*/
static HRESULT COM_GetRegisteredClassObject(
REFCLSID rclsid,
DWORD dwClsContext,
LPUNKNOWN* ppUnk)
{
HRESULT hr = S_FALSE;
RegisteredClass* curClass;
EnterCriticalSection( &csRegisteredClassList );
/*
* Sanity check
*/
assert(ppUnk!=0);
/*
* Iterate through the whole list and try to match the class ID.
*/
curClass = firstRegisteredClass;
while (curClass != 0)
{
/*
* Check if we have a match on the class ID.
*/
if (IsEqualGUID(&(curClass->classIdentifier), rclsid))
{
/*
* Since we don't do out-of process or DCOM just right away, let's ignore the
* class context.
*/
/*
* We have a match, return the pointer to the class object.
*/
*ppUnk = curClass->classObject;
IUnknown_AddRef(curClass->classObject);
hr = S_OK;
goto end;
}
/*
* Step to the next class in the list.
*/
curClass = curClass->nextClass;
}
end:
LeaveCriticalSection( &csRegisteredClassList );
/*
* If we get to here, we haven't found our class.
*/
return hr;
}
static DWORD WINAPI
_LocalServerThread(LPVOID param) {
HANDLE hPipe;
char pipefn[200];
RegisteredClass *newClass = (RegisteredClass*)param;
HRESULT hres;
IStream *pStm;
STATSTG ststg;
unsigned char *buffer;
int buflen;
IClassFactory *classfac;
LARGE_INTEGER seekto;
ULARGE_INTEGER newpos;
ULONG res;
TRACE("Starting threader for %s.\n",debugstr_guid(&newClass->classIdentifier));
strcpy(pipefn,PIPEPREF);
WINE_StringFromCLSID(&newClass->classIdentifier,pipefn+strlen(PIPEPREF));
hres = IUnknown_QueryInterface(newClass->classObject,&IID_IClassFactory,(LPVOID*)&classfac);
if (hres) return hres;
hres = CreateStreamOnHGlobal(0,TRUE,&pStm);
if (hres) {
FIXME("Failed to create stream on hglobal.\n");
return hres;
}
hres = CoMarshalInterface(pStm,&IID_IClassFactory,(LPVOID)classfac,0,NULL,0);
if (hres) {
FIXME("CoMarshalInterface failed, %lx!\n",hres);
return hres;
}
hres = IStream_Stat(pStm,&ststg,0);
if (hres) return hres;
buflen = ststg.cbSize.s.LowPart;
buffer = HeapAlloc(GetProcessHeap(),0,buflen);
seekto.s.LowPart = 0;
seekto.s.HighPart = 0;
hres = IStream_Seek(pStm,seekto,SEEK_SET,&newpos);
if (hres) {
FIXME("IStream_Seek failed, %lx\n",hres);
return hres;
}
hres = IStream_Read(pStm,buffer,buflen,&res);
if (hres) {
FIXME("Stream Read failed, %lx\n",hres);
return hres;
}
IStream_Release(pStm);
while (1) {
hPipe = CreateNamedPipeA(
pipefn,
PIPE_ACCESS_DUPLEX,
PIPE_TYPE_BYTE|PIPE_WAIT,
PIPE_UNLIMITED_INSTANCES,
4096,
4096,
NMPWAIT_USE_DEFAULT_WAIT,
NULL
);
if (hPipe == INVALID_HANDLE_VALUE) {
FIXME("pipe creation failed for %s, le is %lx\n",pipefn,GetLastError());
return 1;
}
if (!ConnectNamedPipe(hPipe,NULL)) {
ERR("Failure during ConnectNamedPipe %lx, ABORT!\n",GetLastError());
CloseHandle(hPipe);
continue;
}
WriteFile(hPipe,buffer,buflen,&res,NULL);
CloseHandle(hPipe);
}
return 0;
}
/******************************************************************************
* CoRegisterClassObject [OLE32.36]
*
* This method will register the class object for a given class ID.
*
* See the Windows documentation for more details.
*/
HRESULT WINAPI CoRegisterClassObject(
REFCLSID rclsid,
LPUNKNOWN pUnk,
DWORD dwClsContext, /* [in] CLSCTX flags indicating the context in which to run the executable */
DWORD flags, /* [in] REGCLS flags indicating how connections are made */
LPDWORD lpdwRegister
)
{
RegisteredClass* newClass;
LPUNKNOWN foundObject;
HRESULT hr;
TRACE("(%s,%p,0x%08lx,0x%08lx,%p)\n",
debugstr_guid(rclsid),pUnk,dwClsContext,flags,lpdwRegister);
if ( (lpdwRegister==0) || (pUnk==0) )
return E_INVALIDARG;
*lpdwRegister = 0;
/*
* First, check if the class is already registered.
* If it is, this should cause an error.
*/
hr = COM_GetRegisteredClassObject(rclsid, dwClsContext, &foundObject);
if (hr == S_OK) {
IUnknown_Release(foundObject);
return CO_E_OBJISREG;
}
newClass = HeapAlloc(GetProcessHeap(), 0, sizeof(RegisteredClass));
if ( newClass == NULL )
return E_OUTOFMEMORY;
EnterCriticalSection( &csRegisteredClassList );
newClass->classIdentifier = *rclsid;
newClass->runContext = dwClsContext;
newClass->connectFlags = flags;
/*
* Use the address of the chain node as the cookie since we are sure it's
* unique.
*/
newClass->dwCookie = (DWORD)newClass;
newClass->nextClass = firstRegisteredClass;
/*
* Since we're making a copy of the object pointer, we have to increase its
* reference count.
*/
newClass->classObject = pUnk;
IUnknown_AddRef(newClass->classObject);
firstRegisteredClass = newClass;
LeaveCriticalSection( &csRegisteredClassList );
*lpdwRegister = newClass->dwCookie;
if (dwClsContext & CLSCTX_LOCAL_SERVER) {
DWORD tid;
STUBMGR_Start();
newClass->hThread=CreateThread(NULL,0,_LocalServerThread,newClass,0,&tid);
}
return S_OK;
}
/***********************************************************************
* CoRevokeClassObject [OLE32.40]
*
* This method will remove a class object from the class registry
*
* See the Windows documentation for more details.
*/
HRESULT WINAPI CoRevokeClassObject(
DWORD dwRegister)
{
HRESULT hr = E_INVALIDARG;
RegisteredClass** prevClassLink;
RegisteredClass* curClass;
TRACE("(%08lx)\n",dwRegister);
EnterCriticalSection( &csRegisteredClassList );
/*
* Iterate through the whole list and try to match the cookie.
*/
curClass = firstRegisteredClass;
prevClassLink = &firstRegisteredClass;
while (curClass != 0)
{
/*
* Check if we have a match on the cookie.
*/
if (curClass->dwCookie == dwRegister)
{
/*
* Remove the class from the chain.
*/
*prevClassLink = curClass->nextClass;
/*
* Release the reference to the class object.
*/
IUnknown_Release(curClass->classObject);
/*
* Free the memory used by the chain node.
*/
HeapFree(GetProcessHeap(), 0, curClass);
hr = S_OK;
goto end;
}
/*
* Step to the next class in the list.
*/
prevClassLink = &(curClass->nextClass);
curClass = curClass->nextClass;
}
end:
LeaveCriticalSection( &csRegisteredClassList );
/*
* If we get to here, we haven't found our class.
*/
return hr;
}
/***********************************************************************
* compobj_RegReadPath [internal]
*
* Reads a registry value and expands it when nessesary
*/
HRESULT compobj_RegReadPath(char * keyname, char * valuename, char * dst, int dstlen)
{
HRESULT hres;
HKEY key;
DWORD keytype;
char src[MAX_PATH];
DWORD dwLength = dstlen;
if((hres = RegOpenKeyExA(HKEY_CLASSES_ROOT, keyname, 0, KEY_READ, &key)) == ERROR_SUCCESS) {
if( (hres = RegQueryValueExA(key, NULL, NULL, &keytype, (LPBYTE)src, &dwLength)) == ERROR_SUCCESS ) {
if (keytype == REG_EXPAND_SZ) {
if (dstlen <= ExpandEnvironmentStringsA(src, dst, dstlen)) hres = ERROR_MORE_DATA;
} else {
strncpy(dst, src, dstlen);
}
}
RegCloseKey (key);
}
return hres;
}
/***********************************************************************
* CoGetClassObject [COMPOBJ.7]
* CoGetClassObject [OLE32.16]
*
* FIXME. If request allows of several options and there is a failure
* with one (other than not being registered) do we try the
* others or return failure? (E.g. inprocess is registered but
* the DLL is not found but the server version works)
*/
HRESULT WINAPI CoGetClassObject(
REFCLSID rclsid, DWORD dwClsContext, COSERVERINFO *pServerInfo,
REFIID iid, LPVOID *ppv
) {
LPUNKNOWN regClassObject;
HRESULT hres = E_UNEXPECTED;
char xclsid[80];
HINSTANCE hLibrary;
typedef HRESULT (CALLBACK *DllGetClassObjectFunc)(REFCLSID clsid, REFIID iid, LPVOID *ppv);
DllGetClassObjectFunc DllGetClassObject;
WINE_StringFromCLSID((LPCLSID)rclsid,xclsid);
TRACE("\n\tCLSID:\t%s,\n\tIID:\t%s\n", debugstr_guid(rclsid), debugstr_guid(iid));
if (pServerInfo) {
FIXME("\tpServerInfo: name=%s\n",debugstr_w(pServerInfo->pwszName));
FIXME("\t\tpAuthInfo=%p\n",pServerInfo->pAuthInfo);
}
/*
* First, try and see if we can't match the class ID with one of the
* registered classes.
*/
if (S_OK == COM_GetRegisteredClassObject(rclsid, dwClsContext, &regClassObject))
{
/*
* Get the required interface from the retrieved pointer.
*/
hres = IUnknown_QueryInterface(regClassObject, iid, ppv);
/*
* Since QI got another reference on the pointer, we want to release the
* one we already have. If QI was unsuccessful, this will release the object. This
* is good since we are not returning it in the "out" parameter.
*/
IUnknown_Release(regClassObject);
return hres;
}
/* first try: in-process */
if ((CLSCTX_INPROC_SERVER | CLSCTX_INPROC_HANDLER) & dwClsContext) {
char keyname[MAX_PATH];
char dllpath[MAX_PATH+1];
sprintf(keyname,"CLSID\\%s\\InprocServer32",xclsid);
if ( compobj_RegReadPath(keyname, NULL, dllpath, sizeof(dllpath)) != ERROR_SUCCESS) {
/* failure: CLSID is not found in registry */
WARN("class %s not registred\n", xclsid);
hres = REGDB_E_CLASSNOTREG;
} else {
if ((hLibrary = LoadLibraryExA(dllpath, 0, LOAD_WITH_ALTERED_SEARCH_PATH)) == 0) {
/* failure: DLL could not be loaded */
ERR("couldn't load InprocServer32 dll %s\n", dllpath);
hres = E_ACCESSDENIED; /* FIXME: or should this be CO_E_DLLNOTFOUND? */
} else if (!(DllGetClassObject = (DllGetClassObjectFunc)GetProcAddress(hLibrary, "DllGetClassObject"))) {
/* failure: the dll did not export DllGetClassObject */
ERR("couldn't find function DllGetClassObject in %s\n", dllpath);
FreeLibrary( hLibrary );
hres = CO_E_DLLNOTFOUND;
} else {
/* OK: get the ClassObject */
COMPOBJ_DLLList_Add( hLibrary );
return DllGetClassObject(rclsid, iid, ppv);
}
}
}
/* Next try out of process */
if (CLSCTX_LOCAL_SERVER & dwClsContext)
{
return create_marshalled_proxy(rclsid,iid,ppv);
}
/* Finally try remote */
if (CLSCTX_REMOTE_SERVER & dwClsContext)
{
FIXME ("CLSCTX_REMOTE_SERVER not supported\n");
hres = E_NOINTERFACE;
}
return hres;
}
/***********************************************************************
* CoResumeClassObjects (OLE32.173)
*
* Resumes classobjects registered with REGCLS suspended
*/
HRESULT WINAPI CoResumeClassObjects(void)
{
FIXME("\n");
return S_OK;
}
/***********************************************************************
* GetClassFile (OLE32.67)
*
* This function supplies the CLSID associated with the given filename.
*/
HRESULT WINAPI GetClassFile(LPCOLESTR filePathName,CLSID *pclsid)
{
IStorage *pstg=0;
HRESULT res;
int nbElm, length, i;
LONG sizeProgId;
LPOLESTR *pathDec=0,absFile=0,progId=0;
LPWSTR extension;
static const WCHAR bkslashW[] = {'\\',0};
static const WCHAR dotW[] = {'.',0};
TRACE("%s, %p\n", debugstr_w(filePathName), pclsid);
/* if the file contain a storage object the return the CLSID written by IStorage_SetClass method*/
if((StgIsStorageFile(filePathName))==S_OK){
res=StgOpenStorage(filePathName,NULL,STGM_READ | STGM_SHARE_DENY_WRITE,NULL,0,&pstg);
if (SUCCEEDED(res))
res=ReadClassStg(pstg,pclsid);
IStorage_Release(pstg);
return res;
}
/* if the file is not a storage object then attemps to match various bits in the file against a
pattern in the registry. this case is not frequently used ! so I present only the psodocode for
this case
for(i=0;i<nFileTypes;i++)
for(i=0;j<nPatternsForType;j++){
PATTERN pat;
HANDLE hFile;
pat=ReadPatternFromRegistry(i,j);
hFile=CreateFileW(filePathName,,,,,,hFile);
SetFilePosition(hFile,pat.offset);
ReadFile(hFile,buf,pat.size,NULL,NULL);
if (memcmp(buf&pat.mask,pat.pattern.pat.size)==0){
*pclsid=ReadCLSIDFromRegistry(i);
return S_OK;
}
}
*/
/* if the obove strategies fail then search for the extension key in the registry */
/* get the last element (absolute file) in the path name */
nbElm=FileMonikerImpl_DecomposePath(filePathName,&pathDec);
absFile=pathDec[nbElm-1];
/* failed if the path represente a directory and not an absolute file name*/
if (!lstrcmpW(absFile, bkslashW))
return MK_E_INVALIDEXTENSION;
/* get the extension of the file */
extension = NULL;
length=lstrlenW(absFile);
for(i = length-1; (i >= 0) && *(extension = &absFile[i]) != '.'; i--)
/* nothing */;
if (!extension || !lstrcmpW(extension, dotW))
return MK_E_INVALIDEXTENSION;
res=RegQueryValueW(HKEY_CLASSES_ROOT, extension, NULL, &sizeProgId);
/* get the progId associated to the extension */
progId = CoTaskMemAlloc(sizeProgId);
res = RegQueryValueW(HKEY_CLASSES_ROOT, extension, progId, &sizeProgId);
if (res==ERROR_SUCCESS)
/* return the clsid associated to the progId */
res= CLSIDFromProgID(progId,pclsid);
for(i=0; pathDec[i]!=NULL;i++)
CoTaskMemFree(pathDec[i]);
CoTaskMemFree(pathDec);
CoTaskMemFree(progId);
if (res==ERROR_SUCCESS)
return res;
return MK_E_INVALIDEXTENSION;
}
/***********************************************************************
* CoCreateInstance [COMPOBJ.13]
* CoCreateInstance [OLE32.7]
*/
HRESULT WINAPI CoCreateInstance(
REFCLSID rclsid,
LPUNKNOWN pUnkOuter,
DWORD dwClsContext,
REFIID iid,
LPVOID *ppv)
{
HRESULT hres;
LPCLASSFACTORY lpclf = 0;
/*
* Sanity check
*/
if (ppv==0)
return E_POINTER;
/*
* Initialize the "out" parameter
*/
*ppv = 0;
/*
* The Standard Global Interface Table (GIT) object is a process-wide singleton.
* Rather than create a class factory, we can just check for it here
*/
if (IsEqualIID(rclsid, &CLSID_StdGlobalInterfaceTable)) {
if (StdGlobalInterfaceTableInstance == NULL)
StdGlobalInterfaceTableInstance = StdGlobalInterfaceTable_Construct();
hres = IGlobalInterfaceTable_QueryInterface( (IGlobalInterfaceTable*) StdGlobalInterfaceTableInstance, iid, ppv);
if (hres) return hres;
TRACE("Retrieved GIT (%p)\n", *ppv);
return S_OK;
}
/*
* Get a class factory to construct the object we want.
*/
hres = CoGetClassObject(rclsid,
dwClsContext,
NULL,
&IID_IClassFactory,
(LPVOID)&lpclf);
if (FAILED(hres)) {
FIXME("no classfactory created for CLSID %s, hres is 0x%08lx\n",
debugstr_guid(rclsid),hres);
return hres;
}
/*
* Create the object and don't forget to release the factory
*/
hres = IClassFactory_CreateInstance(lpclf, pUnkOuter, iid, ppv);
IClassFactory_Release(lpclf);
if(FAILED(hres))
FIXME("no instance created for interface %s of class %s, hres is 0x%08lx\n",
debugstr_guid(iid), debugstr_guid(rclsid),hres);
return hres;
}
/***********************************************************************
* CoCreateInstanceEx [OLE32.165]
*/
HRESULT WINAPI CoCreateInstanceEx(
REFCLSID rclsid,
LPUNKNOWN pUnkOuter,
DWORD dwClsContext,
COSERVERINFO* pServerInfo,
ULONG cmq,
MULTI_QI* pResults)
{
IUnknown* pUnk = NULL;
HRESULT hr;
ULONG index;
int successCount = 0;
/*
* Sanity check
*/
if ( (cmq==0) || (pResults==NULL))
return E_INVALIDARG;
if (pServerInfo!=NULL)
FIXME("() non-NULL pServerInfo not supported!\n");
/*
* Initialize all the "out" parameters.
*/
for (index = 0; index < cmq; index++)
{
pResults[index].pItf = NULL;
pResults[index].hr = E_NOINTERFACE;
}
/*
* Get the object and get its IUnknown pointer.
*/
hr = CoCreateInstance(rclsid,
pUnkOuter,
dwClsContext,
&IID_IUnknown,
(VOID**)&pUnk);
if (hr)
return hr;
/*
* Then, query for all the interfaces requested.
*/
for (index = 0; index < cmq; index++)
{
pResults[index].hr = IUnknown_QueryInterface(pUnk,
pResults[index].pIID,
(VOID**)&(pResults[index].pItf));
if (pResults[index].hr == S_OK)
successCount++;
}
/*
* Release our temporary unknown pointer.
*/
IUnknown_Release(pUnk);
if (successCount == 0)
return E_NOINTERFACE;
if (successCount!=cmq)
return CO_S_NOTALLINTERFACES;
return S_OK;
}
/***********************************************************************
* CoLoadLibrary (OLE32.30)
*/
HINSTANCE WINAPI CoLoadLibrary(LPOLESTR lpszLibName, BOOL bAutoFree)
{
TRACE("(%s, %d)\n", debugstr_w(lpszLibName), bAutoFree);
return LoadLibraryExW(lpszLibName, 0, LOAD_WITH_ALTERED_SEARCH_PATH);
}
/***********************************************************************
* CoFreeLibrary [OLE32.13]
*
* NOTES: don't belive the docu
*/
void WINAPI CoFreeLibrary(HINSTANCE hLibrary)
{
FreeLibrary(hLibrary);
}
/***********************************************************************
* CoFreeAllLibraries [OLE32.12]
*
* NOTES: don't belive the docu
*/
void WINAPI CoFreeAllLibraries(void)
{
/* NOP */
}
/***********************************************************************
* CoFreeUnusedLibraries [COMPOBJ.17]
* CoFreeUnusedLibraries [OLE32.14]
*
* FIXME: Calls to CoFreeUnusedLibraries from any thread always route
* through the main apartment's thread to call DllCanUnloadNow
*/
void WINAPI CoFreeUnusedLibraries(void)
{
COMPOBJ_DllList_FreeUnused(0);
}
/***********************************************************************
* CoFileTimeNow [COMPOBJ.82]
* CoFileTimeNow [OLE32.10]
*
* RETURNS
* the current system time in lpFileTime
*/
HRESULT WINAPI CoFileTimeNow( FILETIME *lpFileTime ) /* [out] the current time */
{
GetSystemTimeAsFileTime( lpFileTime );
return S_OK;
}
/***********************************************************************
* CoLoadLibrary (OLE32.30)
*/
static void COM_RevokeAllClasses()
{
EnterCriticalSection( &csRegisteredClassList );
while (firstRegisteredClass!=0)
{
CoRevokeClassObject(firstRegisteredClass->dwCookie);
}
LeaveCriticalSection( &csRegisteredClassList );
}
/****************************************************************************
* COM External Lock methods implementation
*
* This api provides a linked list to managed external references to
* COM objects.
*
* The public interface consists of three calls:
* COM_ExternalLockAddRef
* COM_ExternalLockRelease
* COM_ExternalLockFreeList
*/
#define EL_END_OF_LIST 0
#define EL_NOT_FOUND 0
/*
* Declaration of the static structure that manage the
* external lock to COM objects.
*/
typedef struct COM_ExternalLock COM_ExternalLock;
typedef struct COM_ExternalLockList COM_ExternalLockList;
struct COM_ExternalLock
{
IUnknown *pUnk; /* IUnknown referenced */
ULONG uRefCount; /* external lock counter to IUnknown object*/
COM_ExternalLock *next; /* Pointer to next element in list */
};
struct COM_ExternalLockList
{
COM_ExternalLock *head; /* head of list */
};
/*
* Declaration and initialization of the static structure that manages
* the external lock to COM objects.
*/
static COM_ExternalLockList elList = { EL_END_OF_LIST };
/*
* Private methods used to managed the linked list
*/
static COM_ExternalLock* COM_ExternalLockLocate(
COM_ExternalLock *element,
IUnknown *pUnk);
/****************************************************************************
* Internal - Insert a new IUnknown* to the linked list
*/
static BOOL COM_ExternalLockInsert(
IUnknown *pUnk)
{
COM_ExternalLock *newLock = NULL;
COM_ExternalLock *previousHead = NULL;
/*
* Allocate space for the new storage object
*/
newLock = HeapAlloc(GetProcessHeap(), 0, sizeof(COM_ExternalLock));
if (newLock!=NULL) {
if ( elList.head == EL_END_OF_LIST ) {
elList.head = newLock; /* The list is empty */
} else {
/* insert does it at the head */
previousHead = elList.head;
elList.head = newLock;
}
/* Set new list item data member */
newLock->pUnk = pUnk;
newLock->uRefCount = 1;
newLock->next = previousHead;
return TRUE;
}
return FALSE;
}
/****************************************************************************
* Internal - Method that removes an item from the linked list.
*/
static void COM_ExternalLockDelete(
COM_ExternalLock *itemList)
{
COM_ExternalLock *current = elList.head;
if ( current == itemList ) {
/* this section handles the deletion of the first node */
elList.head = itemList->next;
HeapFree( GetProcessHeap(), 0, itemList);
} else {
do {
if ( current->next == itemList ){ /* We found the item to free */
current->next = itemList->next; /* readjust the list pointers */
HeapFree( GetProcessHeap(), 0, itemList);
break;
}
/* Skip to the next item */
current = current->next;
} while ( current != EL_END_OF_LIST );
}
}
/****************************************************************************
* Internal - Recursivity agent for IUnknownExternalLockList_Find
*
* NOTES: how long can the list be ?? (recursive!!!)
*/
static COM_ExternalLock* COM_ExternalLockLocate( COM_ExternalLock *element, IUnknown *pUnk)
{
if ( element == EL_END_OF_LIST )
return EL_NOT_FOUND;
else if ( element->pUnk == pUnk ) /* We found it */
return element;
else /* Not the right guy, keep on looking */
return COM_ExternalLockLocate( element->next, pUnk);
}
/****************************************************************************
* Public - Method that increments the count for a IUnknown* in the linked
* list. The item is inserted if not already in the list.
*/
static void COM_ExternalLockAddRef(IUnknown *pUnk)
{
COM_ExternalLock *externalLock = COM_ExternalLockLocate(elList.head, pUnk);
/*
* Add an external lock to the object. If it was already externally
* locked, just increase the reference count. If it was not.
* add the item to the list.
*/
if ( externalLock == EL_NOT_FOUND )
COM_ExternalLockInsert(pUnk);
else
externalLock->uRefCount++;
/*
* Add an internal lock to the object
*/
IUnknown_AddRef(pUnk);
}
/****************************************************************************
* Public - Method that decrements the count for a IUnknown* in the linked
* list. The item is removed from the list if its count end up at zero or if
* bRelAll is TRUE.
*/
static void COM_ExternalLockRelease(
IUnknown *pUnk,
BOOL bRelAll)
{
COM_ExternalLock *externalLock = COM_ExternalLockLocate(elList.head, pUnk);
if ( externalLock != EL_NOT_FOUND ) {
do {
externalLock->uRefCount--; /* release external locks */
IUnknown_Release(pUnk); /* release local locks as well */
if ( bRelAll == FALSE ) break; /* perform single release */
} while ( externalLock->uRefCount > 0 );
if ( externalLock->uRefCount == 0 ) /* get rid of the list entry */
COM_ExternalLockDelete(externalLock);
}
}
/****************************************************************************
* Public - Method that frees the content of the list.
*/
static void COM_ExternalLockFreeList()
{
COM_ExternalLock *head;
head = elList.head; /* grab it by the head */
while ( head != EL_END_OF_LIST ) {
COM_ExternalLockDelete(head); /* get rid of the head stuff */
head = elList.head; /* get the new head... */
}
}
/****************************************************************************
* Public - Method that dump the content of the list.
*/
void COM_ExternalLockDump()
{
COM_ExternalLock *current = elList.head;
DPRINTF("\nExternal lock list contains:\n");
while ( current != EL_END_OF_LIST ) {
DPRINTF( "\t%p with %lu references count.\n", current->pUnk, current->uRefCount);
/* Skip to the next item */
current = current->next;
}
}
/******************************************************************************
* CoLockObjectExternal [OLE32.31]
*/
HRESULT WINAPI CoLockObjectExternal(
LPUNKNOWN pUnk, /* [in] object to be locked */
BOOL fLock, /* [in] do lock */
BOOL fLastUnlockReleases) /* [in] unlock all */
{
if (fLock) {
/*
* Increment the external lock coutner, COM_ExternalLockAddRef also
* increment the object's internal lock counter.
*/
COM_ExternalLockAddRef( pUnk);
} else {
/*
* Decrement the external lock coutner, COM_ExternalLockRelease also
* decrement the object's internal lock counter.
*/
COM_ExternalLockRelease( pUnk, fLastUnlockReleases);
}
return S_OK;
}
/***********************************************************************
* CoInitializeWOW (OLE32.27)
*/
HRESULT WINAPI CoInitializeWOW(DWORD x,DWORD y) {
FIXME("(0x%08lx,0x%08lx),stub!\n",x,y);
return 0;
}
static IUnknown * pUnkState = 0; /* FIXME: thread local */
static int nStatCounter = 0; /* global */
static HMODULE hOleAut32 = 0; /* global */
/***********************************************************************
* CoGetState [OLE32.24]
*
* NOTES: might be incomplete
*/
HRESULT WINAPI CoGetState(IUnknown ** ppv)
{
FIXME("\n");
if(pUnkState) {
IUnknown_AddRef(pUnkState);
*ppv = pUnkState;
FIXME("-- %p\n", *ppv);
return S_OK;
}
*ppv = NULL;
return E_FAIL;
}
/***********************************************************************
* CoSetState [OLE32.42]
*
* NOTES: FIXME: protect this with a crst
*/
HRESULT WINAPI CoSetState(IUnknown * pv)
{
FIXME("(%p),stub!\n", pv);
if (pv) {
IUnknown_AddRef(pv);
nStatCounter++;
if (nStatCounter == 1) LoadLibraryA("OLEAUT32.DLL");
}
if (pUnkState) {
TRACE("-- release %p now\n", pUnkState);
IUnknown_Release(pUnkState);
nStatCounter--;
if (!nStatCounter) FreeLibrary(hOleAut32);
}
pUnkState = pv;
return S_OK;
}
/******************************************************************************
* OleGetAutoConvert [OLE32.104]
*/
HRESULT WINAPI OleGetAutoConvert(REFCLSID clsidOld, LPCLSID pClsidNew)
{
HKEY hkey = 0;
char buf[200];
WCHAR wbuf[200];
DWORD len;
HRESULT res = S_OK;
sprintf(buf,"CLSID\\");WINE_StringFromCLSID(clsidOld,&buf[6]);
if (RegOpenKeyA(HKEY_CLASSES_ROOT,buf,&hkey))
{
res = REGDB_E_CLASSNOTREG;
goto done;
}
len = 200;
/* we can just query for the default value of AutoConvertTo key like that,
without opening the AutoConvertTo key and querying for NULL (default) */
if (RegQueryValueA(hkey,"AutoConvertTo",buf,&len))
{
res = REGDB_E_KEYMISSING;
goto done;
}
MultiByteToWideChar( CP_ACP, 0, buf, -1, wbuf, sizeof(wbuf)/sizeof(WCHAR) );
CLSIDFromString(wbuf,pClsidNew);
done:
if (hkey) RegCloseKey(hkey);
return res;
}
/******************************************************************************
* OleSetAutoConvert [OLE32.126]
*/
HRESULT WINAPI OleSetAutoConvert(REFCLSID clsidOld, REFCLSID clsidNew)
{
HKEY hkey = 0;
char buf[200], szClsidNew[200];
HRESULT res = S_OK;
TRACE("(%s,%s)\n", debugstr_guid(clsidOld), debugstr_guid(clsidNew));
sprintf(buf,"CLSID\\");WINE_StringFromCLSID(clsidOld,&buf[6]);
WINE_StringFromCLSID(clsidNew, szClsidNew);
if (RegOpenKeyA(HKEY_CLASSES_ROOT,buf,&hkey))
{
res = REGDB_E_CLASSNOTREG;
goto done;
}
if (RegSetValueA(hkey, "AutoConvertTo", REG_SZ, szClsidNew, strlen(szClsidNew)+1))
{
res = REGDB_E_WRITEREGDB;
goto done;
}
done:
if (hkey) RegCloseKey(hkey);
return res;
}
/******************************************************************************
* OleDoAutoConvert [OLE32.100]
*/
HRESULT WINAPI OleDoAutoConvert(IStorage *pStg, LPCLSID pClsidNew)
{
FIXME("(%p,%p) : stub\n",pStg,pClsidNew);
return E_NOTIMPL;
}
/******************************************************************************
* CoTreatAsClass [OLE32.46]
*/
HRESULT WINAPI CoTreatAsClass(REFCLSID clsidOld, REFCLSID clsidNew)
{
HKEY hkey = 0;
char buf[200], szClsidNew[200];
HRESULT res = S_OK;
FIXME("(%s,%s)\n", debugstr_guid(clsidOld), debugstr_guid(clsidNew));
sprintf(buf,"CLSID\\");WINE_StringFromCLSID(clsidOld,&buf[6]);
WINE_StringFromCLSID(clsidNew, szClsidNew);
if (RegOpenKeyA(HKEY_CLASSES_ROOT,buf,&hkey))
{
res = REGDB_E_CLASSNOTREG;
goto done;
}
if (RegSetValueA(hkey, "AutoTreatAs", REG_SZ, szClsidNew, strlen(szClsidNew)+1))
{
res = REGDB_E_WRITEREGDB;
goto done;
}
done:
if (hkey) RegCloseKey(hkey);
return res;
}
/******************************************************************************
* CoGetTreatAsClass [OLE32.25]
*
* Reads the TreatAs value from a class.
*/
HRESULT WINAPI CoGetTreatAsClass(REFCLSID clsidOld, LPCLSID clsidNew)
{
HKEY hkey = 0;
char buf[200], szClsidNew[200];
HRESULT res = S_OK;
LONG len = sizeof(szClsidNew);
FIXME("(%s,%p)\n", debugstr_guid(clsidOld), clsidNew);
sprintf(buf,"CLSID\\");WINE_StringFromCLSID(clsidOld,&buf[6]);
memcpy(clsidNew,clsidOld,sizeof(CLSID)); /* copy over old value */
if (RegOpenKeyA(HKEY_CLASSES_ROOT,buf,&hkey))
{
res = REGDB_E_CLASSNOTREG;
goto done;
}
if (RegQueryValueA(hkey, "TreatAs", szClsidNew, &len))
{
res = S_FALSE;
goto done;
}
res = __CLSIDFromStringA(szClsidNew,clsidNew);
if (FAILED(res))
FIXME("Failed CLSIDFromStringA(%s), hres %lx?\n",szClsidNew,res);
done:
if (hkey) RegCloseKey(hkey);
return res;
}
/***********************************************************************
* IsEqualGUID [OLE32.76]
*
* Compares two Unique Identifiers.
*
* RETURNS
* TRUE if equal
*/
#undef IsEqualGUID
BOOL WINAPI IsEqualGUID(
REFGUID rguid1, /* [in] unique id 1 */
REFGUID rguid2 /* [in] unique id 2 */
)
{
return !memcmp(rguid1,rguid2,sizeof(GUID));
}
/***********************************************************************
* CoInitializeSecurity [OLE32.164]
*/
HRESULT WINAPI CoInitializeSecurity(PSECURITY_DESCRIPTOR pSecDesc, LONG cAuthSvc,
SOLE_AUTHENTICATION_SERVICE* asAuthSvc,
void* pReserved1, DWORD dwAuthnLevel,
DWORD dwImpLevel, void* pReserved2,
DWORD dwCapabilities, void* pReserved3)
{
FIXME("(%p,%ld,%p,%p,%ld,%ld,%p,%ld,%p) - stub!\n", pSecDesc, cAuthSvc,
asAuthSvc, pReserved1, dwAuthnLevel, dwImpLevel, pReserved2,
dwCapabilities, pReserved3);
return S_OK;
}
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