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/*
 *	COMPOBJ library
 *
 *	Copyright 1995	Martin von Loewis
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 *	Copyright 1998	Justin Bradford
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 *      Copyright 1999  Francis Beaudet
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 *      Copyright 1999  Sylvain St-Germain
 *      Copyright 2002  Marcus Meissner
 *      Copyright 2004  Mike Hearn
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 *      Copyright 2005-2006 Robert Shearman (for CodeWeavers)
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 *
 * 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
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 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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 *
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 * Note
 * 1. COINIT_MULTITHREADED is 0; it is the lack of COINIT_APARTMENTTHREADED
 *    Therefore do not test against COINIT_MULTITHREADED
 *
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 * TODO list:           (items bunched together depend on each other)
 *
 *   - Implement the service control manager (in rpcss) to keep track
 *     of registered class objects: ISCM::ServerRegisterClsid et al
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 *   - Implement the OXID resolver so we don't need magic endpoint names for
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 *     clients and servers to meet up
 *
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 */

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#include "config.h"
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#define COBJMACROS
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#define NONAMELESSUNION
#define NONAMELESSSTRUCT
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#include "windef.h"
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#include "winbase.h"
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#include "winerror.h"
#include "winreg.h"
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#include "winuser.h"
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#define USE_COM_CONTEXT_DEF
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#include "objbase.h"
#include "ole2.h"
#include "ole2ver.h"
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#include "ctxtcall.h"
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#include "dde.h"
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#include "initguid.h"
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#include "compobj_private.h"
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#include "moniker.h"
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#include "wine/unicode.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(ole);
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#define ARRAYSIZE(array) (sizeof(array)/sizeof((array)[0]))

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/****************************************************************************
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 * This section defines variables internal to the COM module.
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 */

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static APARTMENT *MTA; /* protected by csApartment */
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static APARTMENT *MainApartment; /* the first STA apartment */
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static struct list apts = LIST_INIT( apts ); /* protected by csApartment */
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static CRITICAL_SECTION csApartment;
static CRITICAL_SECTION_DEBUG critsect_debug =
{
    0, 0, &csApartment,
    { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
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      0, 0, { (DWORD_PTR)(__FILE__ ": csApartment") }
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};
static CRITICAL_SECTION csApartment = { &critsect_debug, -1, 0, 0, 0, 0 };
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struct registered_psclsid
{
    struct list entry;
    IID iid;
    CLSID clsid;
};

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/*
 * 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
 */
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static LONG s_COMLockCount = 0;
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/* Reference count used by CoAddRefServerProcess/CoReleaseServerProcess */
static LONG s_COMServerProcessReferences = 0;
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/*
 * 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
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 *       means that parts of this will be exported to rpcss.
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 */
typedef struct tagRegisteredClass
{
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  struct list entry;
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  CLSID     classIdentifier;
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  OXID      apartment_id;
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  LPUNKNOWN classObject;
  DWORD     runContext;
  DWORD     connectFlags;
  DWORD     dwCookie;
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  LPSTREAM  pMarshaledData; /* FIXME: only really need to store OXID and IPID */
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  void     *RpcRegistration;
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} RegisteredClass;

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static struct list RegisteredClassList = LIST_INIT(RegisteredClassList);
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static CRITICAL_SECTION csRegisteredClassList;
static CRITICAL_SECTION_DEBUG class_cs_debug =
{
    0, 0, &csRegisteredClassList,
    { &class_cs_debug.ProcessLocksList, &class_cs_debug.ProcessLocksList },
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      0, 0, { (DWORD_PTR)(__FILE__ ": csRegisteredClassList") }
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};
static CRITICAL_SECTION csRegisteredClassList = { &class_cs_debug, -1, 0, 0, 0, 0 };

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/*****************************************************************************
 * This section contains OpenDllList definitions
 *
 * The OpenDllList contains only handles of dll loaded by CoGetClassObject or
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 * other functions that do LoadLibrary _without_ giving back a HMODULE.
 * Without this list these handles would never be freed.
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 *
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 * FIXME: a DLL that says OK when asked for unloading is unloaded in the
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 * next unload-call but not before 600 sec.
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 */
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typedef HRESULT (CALLBACK *DllGetClassObjectFunc)(REFCLSID clsid, REFIID iid, LPVOID *ppv);
typedef HRESULT (WINAPI *DllCanUnloadNowFunc)(void);

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typedef struct tagOpenDll
{
  LONG refs;
  LPWSTR library_name;
  HANDLE library;
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  DllGetClassObjectFunc DllGetClassObject;
  DllCanUnloadNowFunc DllCanUnloadNow;
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  struct list entry;
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} OpenDll;

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static struct list openDllList = LIST_INIT(openDllList);
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static CRITICAL_SECTION csOpenDllList;
static CRITICAL_SECTION_DEBUG dll_cs_debug =
{
    0, 0, &csOpenDllList,
    { &dll_cs_debug.ProcessLocksList, &dll_cs_debug.ProcessLocksList },
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      0, 0, { (DWORD_PTR)(__FILE__ ": csOpenDllList") }
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};
static CRITICAL_SECTION csOpenDllList = { &dll_cs_debug, -1, 0, 0, 0, 0 };

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struct apartment_loaded_dll
{
    struct list entry;
    OpenDll *dll;
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    DWORD unload_time;
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    BOOL multi_threaded;
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};

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static const WCHAR wszAptWinClass[] = {'O','l','e','M','a','i','n','T','h','r','e','a','d','W','n','d','C','l','a','s','s',' ',
                                       '0','x','#','#','#','#','#','#','#','#',' ',0};
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/*****************************************************************************
 * This section contains OpenDllList implementation
 */
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static OpenDll *COMPOBJ_DllList_Get(LPCWSTR library_name)
{
    OpenDll *ptr;
    OpenDll *ret = NULL;
    EnterCriticalSection(&csOpenDllList);
    LIST_FOR_EACH_ENTRY(ptr, &openDllList, OpenDll, entry)
    {
        if (!strcmpiW(library_name, ptr->library_name) &&
            (InterlockedIncrement(&ptr->refs) != 1) /* entry is being destroy if == 1 */)
        {
            ret = ptr;
            break;
        }
    }
    LeaveCriticalSection(&csOpenDllList);
    return ret;
}
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/* caller must ensure that library_name is not already in the open dll list */
static HRESULT COMPOBJ_DllList_Add(LPCWSTR library_name, OpenDll **ret)
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{
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    OpenDll *entry;
    int len;
    HRESULT hr = S_OK;
    HANDLE hLibrary;
    DllCanUnloadNowFunc DllCanUnloadNow;
    DllGetClassObjectFunc DllGetClassObject;
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    TRACE("\n");

    *ret = COMPOBJ_DllList_Get(library_name);
    if (*ret) return S_OK;

    /* do this outside the csOpenDllList to avoid creating a lock dependency on
     * the loader lock */
    hLibrary = LoadLibraryExW(library_name, 0, LOAD_WITH_ALTERED_SEARCH_PATH);
    if (!hLibrary)
    {
        ERR("couldn't load in-process dll %s\n", debugstr_w(library_name));
        /* failure: DLL could not be loaded */
        return E_ACCESSDENIED; /* FIXME: or should this be CO_E_DLLNOTFOUND? */
    }

    DllCanUnloadNow = (void *)GetProcAddress(hLibrary, "DllCanUnloadNow");
    /* Note: failing to find DllCanUnloadNow is not a failure */
    DllGetClassObject = (void *)GetProcAddress(hLibrary, "DllGetClassObject");
    if (!DllGetClassObject)
    {
        /* failure: the dll did not export DllGetClassObject */
        ERR("couldn't find function DllGetClassObject in %s\n", debugstr_w(library_name));
        FreeLibrary(hLibrary);
        return CO_E_DLLNOTFOUND;
    }

    EnterCriticalSection( &csOpenDllList );

    *ret = COMPOBJ_DllList_Get(library_name);
    if (*ret)
    {
        /* another caller to this function already added the dll while we
         * weren't in the critical section */
        FreeLibrary(hLibrary);
    }
    else
    {
        len = strlenW(library_name);
        entry = HeapAlloc(GetProcessHeap(),0, sizeof(OpenDll));
        if (entry)
            entry->library_name = HeapAlloc(GetProcessHeap(), 0, (len + 1)*sizeof(WCHAR));
        if (entry && entry->library_name)
        {
            memcpy(entry->library_name, library_name, (len + 1)*sizeof(WCHAR));
            entry->library = hLibrary;
            entry->refs = 1;
            entry->DllCanUnloadNow = DllCanUnloadNow;
            entry->DllGetClassObject = DllGetClassObject;
            list_add_tail(&openDllList, &entry->entry);
        }
        else
        {
            HeapFree(GetProcessHeap(), 0, entry);
            hr = E_OUTOFMEMORY;
            FreeLibrary(hLibrary);
        }
        *ret = entry;
    }

    LeaveCriticalSection( &csOpenDllList );

    return hr;
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}

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/* pass FALSE for free_entry to release a reference without destroying the
 * entry if it reaches zero or TRUE otherwise */
static void COMPOBJ_DllList_ReleaseRef(OpenDll *entry, BOOL free_entry)
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{
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    if (!InterlockedDecrement(&entry->refs) && free_entry)
    {
        EnterCriticalSection(&csOpenDllList);
        list_remove(&entry->entry);
        LeaveCriticalSection(&csOpenDllList);

        TRACE("freeing %p\n", entry->library);
        FreeLibrary(entry->library);

        HeapFree(GetProcessHeap(), 0, entry->library_name);
        HeapFree(GetProcessHeap(), 0, entry);
    }
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}

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/* frees memory associated with active dll list */
static void COMPOBJ_DllList_Free(void)
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{
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    OpenDll *entry, *cursor2;
    EnterCriticalSection(&csOpenDllList);
    LIST_FOR_EACH_ENTRY_SAFE(entry, cursor2, &openDllList, OpenDll, entry)
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    {
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        list_remove(&entry->entry);

        HeapFree(GetProcessHeap(), 0, entry->library_name);
        HeapFree(GetProcessHeap(), 0, entry);
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    }
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    LeaveCriticalSection(&csOpenDllList);
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    DeleteCriticalSection(&csOpenDllList);
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}

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/******************************************************************************
 * Manage apartments.
 */
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static DWORD apartment_addref(struct apartment *apt)
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{
    DWORD refs = InterlockedIncrement(&apt->refs);
    TRACE("%s: before = %d\n", wine_dbgstr_longlong(apt->oxid), refs - 1);
    return refs;
}

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/* allocates memory and fills in the necessary fields for a new apartment
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 * object. must be called inside apartment cs */
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static APARTMENT *apartment_construct(DWORD model)
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{
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    APARTMENT *apt;
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    TRACE("creating new apartment, model=%d\n", model);
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    apt = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*apt));
    apt->tid = GetCurrentThreadId();
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    list_init(&apt->proxies);
    list_init(&apt->stubmgrs);
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    list_init(&apt->psclsids);
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    list_init(&apt->loaded_dlls);
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    apt->ipidc = 0;
    apt->refs = 1;
    apt->remunk_exported = FALSE;
    apt->oidc = 1;
    InitializeCriticalSection(&apt->cs);
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    DEBUG_SET_CRITSEC_NAME(&apt->cs, "apartment");
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    apt->multi_threaded = !(model & COINIT_APARTMENTTHREADED);
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    if (apt->multi_threaded)
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    {
        /* FIXME: should be randomly generated by in an RPC call to rpcss */
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        apt->oxid = ((OXID)GetCurrentProcessId() << 32) | 0xcafe;
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    }
    else
    {
        /* FIXME: should be randomly generated by in an RPC call to rpcss */
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        apt->oxid = ((OXID)GetCurrentProcessId() << 32) | GetCurrentThreadId();
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    }
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    TRACE("Created apartment on OXID %s\n", wine_dbgstr_longlong(apt->oxid));
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    list_add_head(&apts, &apt->entry);
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    return apt;
}
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/* gets and existing apartment if one exists or otherwise creates an apartment
 * structure which stores OLE apartment-local information and stores a pointer
 * to it in the thread-local storage */
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static APARTMENT *apartment_get_or_create(DWORD model)
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{
    APARTMENT *apt = COM_CurrentApt();
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    if (!apt)
    {
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        if (model & COINIT_APARTMENTTHREADED)
        {
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            EnterCriticalSection(&csApartment);

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            apt = apartment_construct(model);
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            if (!MainApartment)
            {
                MainApartment = apt;
                apt->main = TRUE;
                TRACE("Created main-threaded apartment with OXID %s\n", wine_dbgstr_longlong(apt->oxid));
            }

            LeaveCriticalSection(&csApartment);
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            if (apt->main)
                apartment_createwindowifneeded(apt);
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        }
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        else
        {
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            EnterCriticalSection(&csApartment);

            /* The multi-threaded apartment (MTA) contains zero or more threads interacting
             * with free threaded (ie thread safe) COM objects. There is only ever one MTA
             * in a process */
            if (MTA)
            {
                TRACE("entering the multithreaded apartment %s\n", wine_dbgstr_longlong(MTA->oxid));
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                apartment_addref(MTA);
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            }
            else
                MTA = apartment_construct(model);
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            apt = MTA;
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            LeaveCriticalSection(&csApartment);
        }
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        COM_CurrentInfo()->apt = apt;
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    }
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    return apt;
}

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static inline BOOL apartment_is_model(const APARTMENT *apt, DWORD model)
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{
    return (apt->multi_threaded == !(model & COINIT_APARTMENTTHREADED));
}

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static void COM_RevokeRegisteredClassObject(RegisteredClass *curClass)
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{
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    list_remove(&curClass->entry);
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    if (curClass->runContext & CLSCTX_LOCAL_SERVER)
        RPC_StopLocalServer(curClass->RpcRegistration);
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    /*
     * Release the reference to the class object.
     */
    IUnknown_Release(curClass->classObject);
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    if (curClass->pMarshaledData)
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    {
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        LARGE_INTEGER zero;
        memset(&zero, 0, sizeof(zero));
        IStream_Seek(curClass->pMarshaledData, zero, STREAM_SEEK_SET, NULL);
        CoReleaseMarshalData(curClass->pMarshaledData);
        IStream_Release(curClass->pMarshaledData);
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    }

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    HeapFree(GetProcessHeap(), 0, curClass);
}
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static void COM_RevokeAllClasses(const struct apartment *apt)
{
  RegisteredClass *curClass, *cursor;
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  EnterCriticalSection( &csRegisteredClassList );
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  LIST_FOR_EACH_ENTRY_SAFE(curClass, cursor, &RegisteredClassList, RegisteredClass, entry)
  {
    if (curClass->apartment_id == apt->oxid)
      COM_RevokeRegisteredClassObject(curClass);
  }
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  LeaveCriticalSection( &csRegisteredClassList );
}
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/******************************************************************************
 * Implementation of the manual reset event object. (CLSID_ManualResetEvent)
 */

typedef struct ManualResetEvent {
    ISynchronize   ISynchronize_iface;
    LONG ref;
    HANDLE event;
} MREImpl;

static inline MREImpl *impl_from_ISynchronize(ISynchronize *iface)
{
    return CONTAINING_RECORD(iface, MREImpl, ISynchronize_iface);
}

static HRESULT WINAPI ISynchronize_fnQueryInterface(ISynchronize *iface, REFIID riid, void **ppv)
{
    MREImpl *This = impl_from_ISynchronize(iface);
    TRACE("%p (%s, %p)\n", This, debugstr_guid(riid), ppv);

    *ppv = NULL;
    if(IsEqualGUID(riid, &IID_IUnknown) ||
       IsEqualGUID(riid, &IID_ISynchronize))
        *ppv = This;
    else
        ERR("Unknown interface %s requested.\n", debugstr_guid(riid));

    if(*ppv)
    {
        IUnknown_AddRef((IUnknown*)*ppv);
        return S_OK;
    }

    return E_NOINTERFACE;
}

static ULONG WINAPI ISynchronize_fnAddRef(ISynchronize *iface)
{
    MREImpl *This = impl_from_ISynchronize(iface);
    LONG ref = InterlockedIncrement(&This->ref);
    TRACE("%p - ref %d\n", This, ref);

    return ref;
}

static ULONG WINAPI ISynchronize_fnRelease(ISynchronize *iface)
{
    MREImpl *This = impl_from_ISynchronize(iface);
    LONG ref = InterlockedDecrement(&This->ref);
    TRACE("%p - ref %d\n", This, ref);

    if(!ref)
    {
        CloseHandle(This->event);
        HeapFree(GetProcessHeap(), 0, This);
    }

    return ref;
}

static HRESULT WINAPI ISynchronize_fnWait(ISynchronize *iface, DWORD dwFlags, DWORD dwMilliseconds)
{
    MREImpl *This = impl_from_ISynchronize(iface);
    UINT index;
    TRACE("%p (%08x, %08x)\n", This, dwFlags, dwMilliseconds);
    return CoWaitForMultipleHandles(dwFlags, dwMilliseconds, 1, &This->event, &index);
}

static HRESULT WINAPI ISynchronize_fnSignal(ISynchronize *iface)
{
    MREImpl *This = impl_from_ISynchronize(iface);
    TRACE("%p\n", This);
    SetEvent(This->event);
    return S_OK;
}

static HRESULT WINAPI ISynchronize_fnReset(ISynchronize *iface)
{
    MREImpl *This = impl_from_ISynchronize(iface);
    TRACE("%p\n", This);
    ResetEvent(This->event);
    return S_OK;
}

static ISynchronizeVtbl vt_ISynchronize = {
    ISynchronize_fnQueryInterface,
    ISynchronize_fnAddRef,
    ISynchronize_fnRelease,
    ISynchronize_fnWait,
    ISynchronize_fnSignal,
    ISynchronize_fnReset
};

static HRESULT ManualResetEvent_Construct(IUnknown *punkouter, REFIID iid, void **ppv)
{
    MREImpl *This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(MREImpl));
    HRESULT hr;

    if(punkouter)
        FIXME("Aggregation not implemented.\n");

    This->ref = 1;
    This->ISynchronize_iface.lpVtbl = &vt_ISynchronize;
    This->event = CreateEventW(NULL, TRUE, FALSE, NULL);

    hr = ISynchronize_QueryInterface(&This->ISynchronize_iface, iid, ppv);
    ISynchronize_Release(&This->ISynchronize_iface);
    return hr;
}

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/***********************************************************************
 *           CoRevokeClassObject [OLE32.@]
 *
 * Removes a class object from the class registry.
 *
 * PARAMS
 *  dwRegister [I] Cookie returned from CoRegisterClassObject().
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: HRESULT code.
 *
 * NOTES
 *  Must be called from the same apartment that called CoRegisterClassObject(),
 *  otherwise it will fail with RPC_E_WRONG_THREAD.
 *
 * SEE ALSO
 *  CoRegisterClassObject
 */
HRESULT WINAPI CoRevokeClassObject(
        DWORD dwRegister)
{
  HRESULT hr = E_INVALIDARG;
  RegisteredClass *curClass;
  APARTMENT *apt;
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  TRACE("(%08x)\n",dwRegister);
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  apt = COM_CurrentApt();
  if (!apt)
  {
    ERR("COM was not initialized\n");
    return CO_E_NOTINITIALIZED;
  }
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  EnterCriticalSection( &csRegisteredClassList );

  LIST_FOR_EACH_ENTRY(curClass, &RegisteredClassList, RegisteredClass, entry)
  {
    /*
     * Check if we have a match on the cookie.
     */
    if (curClass->dwCookie == dwRegister)
    {
      if (curClass->apartment_id == apt->oxid)
      {
          COM_RevokeRegisteredClassObject(curClass);
          hr = S_OK;
      }
      else
      {
          ERR("called from wrong apartment, should be called from %s\n",
              wine_dbgstr_longlong(curClass->apartment_id));
          hr = RPC_E_WRONG_THREAD;
      }
      break;
    }
  }

  LeaveCriticalSection( &csRegisteredClassList );

  return hr;
}

/* frees unused libraries loaded by apartment_getclassobject by calling the
 * DLL's DllCanUnloadNow entry point */
static void apartment_freeunusedlibraries(struct apartment *apt, DWORD delay)
{
    struct apartment_loaded_dll *entry, *next;
    EnterCriticalSection(&apt->cs);
    LIST_FOR_EACH_ENTRY_SAFE(entry, next, &apt->loaded_dlls, struct apartment_loaded_dll, entry)
    {
	if (entry->dll->DllCanUnloadNow && (entry->dll->DllCanUnloadNow() == S_OK))
        {
            DWORD real_delay = delay;

            if (real_delay == INFINITE)
            {
                /* DLLs that return multi-threaded objects aren't unloaded
                 * straight away to cope for programs that have races between
                 * last object destruction and threads in the DLLs that haven't
                 * finished, despite DllCanUnloadNow returning S_OK */
                if (entry->multi_threaded)
                    real_delay = 10 * 60 * 1000; /* 10 minutes */
                else
                    real_delay = 0;
            }

            if (!real_delay || (entry->unload_time && (entry->unload_time < GetTickCount())))
            {
                list_remove(&entry->entry);
                COMPOBJ_DllList_ReleaseRef(entry->dll, TRUE);
                HeapFree(GetProcessHeap(), 0, entry);
            }
            else
                entry->unload_time = GetTickCount() + real_delay;
        }
        else if (entry->unload_time)
            entry->unload_time = 0;
    }
    LeaveCriticalSection(&apt->cs);
}

DWORD apartment_release(struct apartment *apt)
{
    DWORD ret;

    EnterCriticalSection(&csApartment);

    ret = InterlockedDecrement(&apt->refs);
    TRACE("%s: after = %d\n", wine_dbgstr_longlong(apt->oxid), ret);
    /* destruction stuff that needs to happen under csApartment CS */
    if (ret == 0)
    {
        if (apt == MTA) MTA = NULL;
        else if (apt == MainApartment) MainApartment = NULL;
        list_remove(&apt->entry);
    }

    LeaveCriticalSection(&csApartment);

    if (ret == 0)
    {
        struct list *cursor, *cursor2;

        TRACE("destroying apartment %p, oxid %s\n", apt, wine_dbgstr_longlong(apt->oxid));

        /* Release the references to the registered class objects */
        COM_RevokeAllClasses(apt);

        /* no locking is needed for this apartment, because no other thread
         * can access it at this point */

        apartment_disconnectproxies(apt);

        if (apt->win) DestroyWindow(apt->win);
        if (apt->host_apt_tid) PostThreadMessageW(apt->host_apt_tid, WM_QUIT, 0, 0);

        LIST_FOR_EACH_SAFE(cursor, cursor2, &apt->stubmgrs)
        {
            struct stub_manager *stubmgr = LIST_ENTRY(cursor, struct stub_manager, entry);
            /* release the implicit reference given by the fact that the
             * stub has external references (it must do since it is in the
             * stub manager list in the apartment and all non-apartment users
             * must have a ref on the apartment and so it cannot be destroyed).
             */
            stub_manager_int_release(stubmgr);
        }

        LIST_FOR_EACH_SAFE(cursor, cursor2, &apt->psclsids)
        {
            struct registered_psclsid *registered_psclsid =
                LIST_ENTRY(cursor, struct registered_psclsid, entry);
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            list_remove(&registered_psclsid->entry);
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            HeapFree(GetProcessHeap(), 0, registered_psclsid);
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        }

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        /* if this assert fires, then another thread took a reference to a
         * stub manager without taking a reference to the containing
         * apartment, which it must do. */
        assert(list_empty(&apt->stubmgrs));

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        if (apt->filter) IUnknown_Release(apt->filter);

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        /* free as many unused libraries as possible... */
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        apartment_freeunusedlibraries(apt, 0);
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        /* ... and free the memory for the apartment loaded dll entry and
         * release the dll list reference without freeing the library for the
         * rest */
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        while ((cursor = list_head(&apt->loaded_dlls)))
        {
            struct apartment_loaded_dll *apartment_loaded_dll = LIST_ENTRY(cursor, struct apartment_loaded_dll, entry);
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            COMPOBJ_DllList_ReleaseRef(apartment_loaded_dll->dll, FALSE);
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            list_remove(cursor);
            HeapFree(GetProcessHeap(), 0, apartment_loaded_dll);
        }

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        DEBUG_CLEAR_CRITSEC_NAME(&apt->cs);
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        DeleteCriticalSection(&apt->cs);
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        HeapFree(GetProcessHeap(), 0, apt);
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    }

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    return ret;
}

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/* The given OXID must be local to this process: 
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 *
 * The ref parameter is here mostly to ensure people remember that
 * they get one, you should normally take a ref for thread safety.
 */
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APARTMENT *apartment_findfromoxid(OXID oxid, BOOL ref)
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{
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    APARTMENT *result = NULL;
    struct list *cursor;
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    EnterCriticalSection(&csApartment);
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    LIST_FOR_EACH( cursor, &apts )
    {
        struct apartment *apt = LIST_ENTRY( cursor, struct apartment, entry );
        if (apt->oxid == oxid)
        {
            result = apt;
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            if (ref) apartment_addref(result);
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            break;
        }
    }
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    LeaveCriticalSection(&csApartment);
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    return result;
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}

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/* gets the apartment which has a given creator thread ID. The caller must
 * release the reference from the apartment as soon as the apartment pointer
 * is no longer required. */
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APARTMENT *apartment_findfromtid(DWORD tid)
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{
    APARTMENT *result = NULL;
    struct list *cursor;

    EnterCriticalSection(&csApartment);
    LIST_FOR_EACH( cursor, &apts )
    {
        struct apartment *apt = LIST_ENTRY( cursor, struct apartment, entry );
        if (apt->tid == tid)
        {
            result = apt;
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            apartment_addref(result);
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            break;
        }
    }
    LeaveCriticalSection(&csApartment);

    return result;
}

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/* gets the main apartment if it exists. The caller must
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 * release the reference from the apartment as soon as the apartment pointer
 * is no longer required. */
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static APARTMENT *apartment_findmain(void)
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{
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    APARTMENT *result;
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    EnterCriticalSection(&csApartment);
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    result = MainApartment;
    if (result) apartment_addref(result);
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    LeaveCriticalSection(&csApartment);

    return result;
}

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/* gets the multi-threaded apartment if it exists. The caller must
 * release the reference from the apartment as soon as the apartment pointer
 * is no longer required. */
static APARTMENT *apartment_find_multi_threaded(void)
{
    APARTMENT *result = NULL;
    struct list *cursor;

    EnterCriticalSection(&csApartment);

    LIST_FOR_EACH( cursor, &apts )
    {
        struct apartment *apt = LIST_ENTRY( cursor, struct apartment, entry );
        if (apt->multi_threaded)
        {
            result = apt;
            apartment_addref(result);
            break;
        }
    }

    LeaveCriticalSection(&csApartment);
    return result;
}

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/* gets the specified class object by loading the appropriate DLL, if
 * necessary and calls the DllGetClassObject function for the DLL */
static HRESULT apartment_getclassobject(struct apartment *apt, LPCWSTR dllpath,
                                        BOOL apartment_threaded,
                                        REFCLSID rclsid, REFIID riid, void **ppv)
{
    static const WCHAR wszOle32[] = {'o','l','e','3','2','.','d','l','l',0};
    HRESULT hr = S_OK;
    BOOL found = FALSE;
    struct apartment_loaded_dll *apartment_loaded_dll;

    if (!strcmpiW(dllpath, wszOle32))
    {
        /* we don't need to control the lifetime of this dll, so use the local
         * implementation of DllGetClassObject directly */
        TRACE("calling ole32!DllGetClassObject\n");
        hr = DllGetClassObject(rclsid, riid, ppv);

        if (hr != S_OK)
            ERR("DllGetClassObject returned error 0x%08x\n", hr);

        return hr;
    }

    EnterCriticalSection(&apt->cs);

    LIST_FOR_EACH_ENTRY(apartment_loaded_dll, &apt->loaded_dlls, struct apartment_loaded_dll, entry)
        if (!strcmpiW(dllpath, apartment_loaded_dll->dll->library_name))
        {
            TRACE("found %s already loaded\n", debugstr_w(dllpath));
            found = TRUE;
            break;
        }

    if (!found)
    {
        apartment_loaded_dll = HeapAlloc(GetProcessHeap(), 0, sizeof(*apartment_loaded_dll));
        if (!apartment_loaded_dll)
            hr = E_OUTOFMEMORY;
        if (SUCCEEDED(hr))
        {
            apartment_loaded_dll->unload_time = 0;
            apartment_loaded_dll->multi_threaded = FALSE;
            hr = COMPOBJ_DllList_Add( dllpath, &apartment_loaded_dll->dll );
            if (FAILED(hr))
                HeapFree(GetProcessHeap(), 0, apartment_loaded_dll);
        }
        if (SUCCEEDED(hr))
        {
            TRACE("added new loaded dll %s\n", debugstr_w(dllpath));
            list_add_tail(&apt->loaded_dlls, &apartment_loaded_dll->entry);
        }
    }

    LeaveCriticalSection(&apt->cs);

    if (SUCCEEDED(hr))
    {
        /* one component being multi-threaded overrides any number of
         * apartment-threaded components */
        if (!apartment_threaded)
            apartment_loaded_dll->multi_threaded = TRUE;

        TRACE("calling DllGetClassObject %p\n", apartment_loaded_dll->dll->DllGetClassObject);
        /* OK: get the ClassObject */
        hr = apartment_loaded_dll->dll->DllGetClassObject(rclsid, riid, ppv);

        if (hr != S_OK)
            ERR("DllGetClassObject returned error 0x%08x\n", hr);
    }

    return hr;
}

/***********************************************************************
 *	COM_RegReadPath	[internal]
 *
 *	Reads a registry value and expands it when necessary
 */
static DWORD COM_RegReadPath(HKEY hkeyroot, const WCHAR *keyname, const WCHAR *valuename, WCHAR * dst, DWORD dstlen)
{
	DWORD ret;
	HKEY key;
	DWORD keytype;
	WCHAR src[MAX_PATH];
	DWORD dwLength = dstlen * sizeof(WCHAR);

	if((ret = RegOpenKeyExW(hkeyroot, keyname, 0, KEY_READ, &key)) == ERROR_SUCCESS) {
          if( (ret = RegQueryValueExW(key, NULL, NULL, &keytype, (LPBYTE)src, &dwLength)) == ERROR_SUCCESS ) {
            if (keytype == REG_EXPAND_SZ) {
              if (dstlen <= ExpandEnvironmentStringsW(src, dst, dstlen)) ret = ERROR_MORE_DATA;
            } else {
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              const WCHAR *quote_start;
              quote_start = strchrW(src, '\"');
              if (quote_start) {
                const WCHAR *quote_end = strchrW(quote_start + 1, '\"');
                if (quote_end) {
                  memmove(src, quote_start + 1,
                          (quote_end - quote_start - 1) * sizeof(WCHAR));
                  src[quote_end - quote_start - 1] = '\0';
                }
              }
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              lstrcpynW(dst, src, dstlen);
            }
	  }
          RegCloseKey (key);
	}
	return ret;
}

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struct host_object_params
{
    HKEY hkeydll;
    CLSID clsid; /* clsid of object to marshal */
    IID iid; /* interface to marshal */
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    HANDLE event; /* event signalling when ready for multi-threaded case */
    HRESULT hr; /* result for multi-threaded case */
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    IStream *stream; /* stream that the object will be marshaled into */
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    BOOL apartment_threaded; /* is the component purely apartment-threaded? */
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};

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static HRESULT apartment_hostobject(struct apartment *apt,
                                    const struct host_object_params *params)
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{
    IUnknown *object;
    HRESULT hr;
    static const LARGE_INTEGER llZero;
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    WCHAR dllpath[MAX_PATH+1];
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    TRACE("clsid %s, iid %s\n", debugstr_guid(&params->clsid), debugstr_guid(&params->iid));
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    if (COM_RegReadPath(params->hkeydll, NULL, NULL, dllpath, ARRAYSIZE(dllpath)) != ERROR_SUCCESS)
    {
        /* failure: CLSID is not found in registry */
        WARN("class %s not registered inproc\n", debugstr_guid(&params->clsid));
        return REGDB_E_CLASSNOTREG;
    }

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    hr = apartment_getclassobject(apt, dllpath, params->apartment_threaded,
                                  &params->clsid, &params->iid, (void **)&object);
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    if (FAILED(hr))
        return hr;

    hr = CoMarshalInterface(params->stream, &params->iid, object, MSHCTX_INPROC, NULL, MSHLFLAGS_NORMAL);
    if (FAILED(hr))
        IUnknown_Release(object);
    IStream_Seek(params->stream, llZero, STREAM_SEEK_SET, NULL);

    return hr;
}

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static LRESULT CALLBACK apartment_wndproc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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    switch (msg)
    {
    case DM_EXECUTERPC:
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        RPC_ExecuteCall((struct dispatch_params *)lParam);
        return 0;
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    case DM_HOSTOBJECT:
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        return apartment_hostobject(COM_CurrentApt(), (const struct host_object_params *)lParam);
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    default:
        return DefWindowProcW(hWnd, msg, wParam, lParam);
    }
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}
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struct host_thread_params
{
    COINIT threading_model;
    HANDLE ready_event;
    HWND apartment_hwnd;
};

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/* thread for hosting an object to allow an object to appear to be created in
 * an apartment with an incompatible threading model */
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static DWORD CALLBACK apartment_hostobject_thread(LPVOID p)
{
    struct host_thread_params *params = p;
    MSG msg;
    HRESULT hr;
    struct apartment *apt;

    TRACE("\n");

    hr = CoInitializeEx(NULL, params->threading_model);
    if (FAILED(hr)) return hr;

    apt = COM_CurrentApt();
    if (params->threading_model == COINIT_APARTMENTTHREADED)
    {
        apartment_createwindowifneeded(apt);
        params->apartment_hwnd = apartment_getwindow(apt);
    }
    else
        params->apartment_hwnd = NULL;

    /* force the message queue to be created before signaling parent thread */
    PeekMessageW(&msg, NULL, WM_USER, WM_USER, PM_NOREMOVE);

    SetEvent(params->ready_event);
    params = NULL; /* can't touch params after here as it may be invalid */

    while (GetMessageW(&msg, NULL, 0, 0))
    {
        if (!msg.hwnd && (msg.message == DM_HOSTOBJECT))
        {
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            struct host_object_params *obj_params = (struct host_object_params *)msg.lParam;
            obj_params->hr = apartment_hostobject(apt, obj_params);
            SetEvent(obj_params->event);
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        }
        else
        {
            TranslateMessage(&msg);
            DispatchMessageW(&msg);
        }
    }

    TRACE("exiting\n");

    CoUninitialize();

    return S_OK;
}

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/* finds or creates a host apartment, creates the object inside it and returns
 * a proxy to it so that the object can be used in the apartment of the
 * caller of this function */
static HRESULT apartment_hostobject_in_hostapt(
    struct apartment *apt, BOOL multi_threaded, BOOL main_apartment,
    HKEY hkeydll, REFCLSID rclsid, REFIID riid, void **ppv)
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{
    struct host_object_params params;
    HWND apartment_hwnd = NULL;
    DWORD apartment_tid = 0;
    HRESULT hr;

    if (!multi_threaded && main_apartment)
    {
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        APARTMENT *host_apt = apartment_findmain();
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        if (host_apt)
        {
            apartment_hwnd = apartment_getwindow(host_apt);
            apartment_release(host_apt);
        }
    }

    if (!apartment_hwnd)
    {
        EnterCriticalSection(&apt->cs);

        if (!apt->host_apt_tid)
        {
            struct host_thread_params thread_params;
            HANDLE handles[2];
            DWORD wait_value;

            thread_params.threading_model = multi_threaded ? COINIT_MULTITHREADED : COINIT_APARTMENTTHREADED;
            handles[0] = thread_params.ready_event = CreateEventW(NULL, FALSE, FALSE, NULL);
            thread_params.apartment_hwnd = NULL;
            handles[1] = CreateThread(NULL, 0, apartment_hostobject_thread, &thread_params, 0, &apt->host_apt_tid);
            if (!handles[1])
            {
                CloseHandle(handles[0]);
                LeaveCriticalSection(&apt->cs);
                return E_OUTOFMEMORY;
            }
            wait_value = WaitForMultipleObjects(2, handles, FALSE, INFINITE);
            CloseHandle(handles[0]);
            CloseHandle(handles[1]);
            if (wait_value == WAIT_OBJECT_0)
                apt->host_apt_hwnd = thread_params.apartment_hwnd;
            else
            {
                LeaveCriticalSection(&apt->cs);
                return E_OUTOFMEMORY;
            }
        }

        if (multi_threaded || !main_apartment)
        {
            apartment_hwnd = apt->host_apt_hwnd;
            apartment_tid = apt->host_apt_tid;
        }

        LeaveCriticalSection(&apt->cs);
    }

    /* another thread may have become the main apartment in the time it took
     * us to create the thread for the host apartment */
    if (!apartment_hwnd && !multi_threaded && main_apartment)
    {
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        APARTMENT *host_apt = apartment_findmain();
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        if (host_apt)
        {
            apartment_hwnd = apartment_getwindow(host_apt);
            apartment_release(host_apt);
        }
    }

    params.hkeydll = hkeydll;
    params.clsid = *rclsid;
    params.iid = *riid;
    hr = CreateStreamOnHGlobal(NULL, TRUE, &params.stream);
    if (FAILED(hr))
        return hr;
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    params.apartment_threaded = !multi_threaded;
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    if (multi_threaded)
    {
        params.hr = S_OK;
        params.event = CreateEventW(NULL, FALSE, FALSE, NULL);
        if (!PostThreadMessageW(apartment_tid, DM_HOSTOBJECT, 0, (LPARAM)&params))
            hr = E_OUTOFMEMORY;
        else
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        {
            WaitForSingleObject(params.event, INFINITE);
            hr = params.hr;
        }
        CloseHandle(params.event);
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    }
    else
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    {
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        if (!apartment_hwnd)
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        {
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            ERR("host apartment didn't create window\n");
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            hr = E_OUTOFMEMORY;
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        }
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        else
            hr = SendMessageW(apartment_hwnd, DM_HOSTOBJECT, 0, (LPARAM)&params);
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    }
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    if (SUCCEEDED(hr))
        hr = CoUnmarshalInterface(params.stream, riid, ppv);
    IStream_Release(params.stream);
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    return hr;
}

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/* create a window for the apartment or return the current one if one has
 * already been created */
HRESULT apartment_createwindowifneeded(struct apartment *apt)
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{
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    if (apt->multi_threaded)
        return S_OK;

    if (!apt->win)
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    {
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        HWND hwnd = CreateWindowW(wszAptWinClass, NULL, 0,
                                  0, 0, 0, 0,
                                  HWND_MESSAGE, 0, hProxyDll, NULL);
        if (!hwnd)
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        {
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            ERR("CreateWindow failed with error %d\n", GetLastError());
            return HRESULT_FROM_WIN32(GetLastError());
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        }
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        if (InterlockedCompareExchangePointer((PVOID *)&apt->win, hwnd, NULL))
            /* someone beat us to it */
            DestroyWindow(hwnd);
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    }
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    return S_OK;
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}

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/* retrieves the window for the main- or apartment-threaded apartment */
HWND apartment_getwindow(const struct apartment *apt)
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{
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    assert(!apt->multi_threaded);
    return apt->win;
}
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void apartment_joinmta(void)
{
    apartment_addref(MTA);
    COM_CurrentInfo()->apt = MTA;
}
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static void COMPOBJ_InitProcess( void )
{
    WNDCLASSW wclass;

    /* Dispatching to the correct thread in an apartment is done through
     * window messages rather than RPC transports. When an interface is
     * marshalled into another apartment in the same process, a window of the
     * following class is created. The *caller* of CoMarshalInterface (i.e., the
     * application) is responsible for pumping the message loop in that thread.
     * The WM_USER messages which point to the RPCs are then dispatched to
     * apartment_wndproc by the user's code from the apartment in which the
     * interface was unmarshalled.
     */
    memset(&wclass, 0, sizeof(wclass));
    wclass.lpfnWndProc = apartment_wndproc;
    wclass.hInstance = hProxyDll;
    wclass.lpszClassName = wszAptWinClass;
    RegisterClassW(&wclass);
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}

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static void COMPOBJ_UninitProcess( void )
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{
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    UnregisterClassW(wszAptWinClass, hProxyDll);
}
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static void COM_TlsDestroy(void)
{
    struct oletls *info = NtCurrentTeb()->ReservedForOle;
    if (info)
    {
        if (info->apt) apartment_release(info->apt);
        if (info->errorinfo) IErrorInfo_Release(info->errorinfo);
        if (info->state) IUnknown_Release(info->state);
        if (info->spy) IUnknown_Release(info->spy);
        if (info->context_token) IObjContext_Release(info->context_token);
        HeapFree(GetProcessHeap(), 0, info);
        NtCurrentTeb()->ReservedForOle = NULL;
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    }
}

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/******************************************************************************
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 *           CoBuildVersion [OLE32.@]
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 *
 * Gets the build version of the DLL.
 *
 * PARAMS
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 *
 * RETURNS
 *	Current build version, hiword is majornumber, loword is minornumber
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Alexandre Julliard committed
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 */
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DWORD WINAPI CoBuildVersion(void)
{
    TRACE("Returning version %d, build %d.\n", rmm, rup);
    return (rmm<<16)+rup;
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}

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/******************************************************************************
 *              CoRegisterInitializeSpy [OLE32.@]
 *
 * Add a Spy that watches CoInitializeEx calls
 *
 * PARAMS
 *  spy [I] Pointer to IUnknown interface that will be QueryInterface'd.
 *  cookie [II] cookie receiver
 *
 * RETURNS
 *  Success: S_OK if not already initialized, S_FALSE otherwise.
 *  Failure: HRESULT code.
 *
 * SEE ALSO
 *   CoInitializeEx
 */
HRESULT WINAPI CoRegisterInitializeSpy(IInitializeSpy *spy, ULARGE_INTEGER *cookie)
{
    struct oletls *info = COM_CurrentInfo();
    HRESULT hr;

    TRACE("(%p, %p)\n", spy, cookie);

    if (!spy || !cookie || !info)
    {
        if (!info)
            WARN("Could not allocate tls\n");
        return E_INVALIDARG;
    }

    if (info->spy)
    {
        FIXME("Already registered?\n");
        return E_UNEXPECTED;
    }

    hr = IUnknown_QueryInterface(spy, &IID_IInitializeSpy, (void **) &info->spy);
    if (SUCCEEDED(hr))
    {
        cookie->QuadPart = (DWORD_PTR)spy;
        return S_OK;
    }
    return hr;
}

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/******************************************************************************
 *              CoRevokeInitializeSpy [OLE32.@]
 *
 * Remove a spy that previously watched CoInitializeEx calls
 *
 * PARAMS
 *  cookie [I] The cookie obtained from a previous CoRegisterInitializeSpy call
 *
 * RETURNS
 *  Success: S_OK if a spy is removed
 *  Failure: E_INVALIDARG
 *
 * SEE ALSO
 *   CoInitializeEx
 */
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HRESULT WINAPI CoRevokeInitializeSpy(ULARGE_INTEGER cookie)
{
    struct oletls *info = COM_CurrentInfo();
    TRACE("(%s)\n", wine_dbgstr_longlong(cookie.QuadPart));

    if (!info || !info->spy || cookie.QuadPart != (DWORD_PTR)info->spy)
        return E_INVALIDARG;

    IUnknown_Release(info->spy);
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    info->spy = NULL;
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    return S_OK;
}


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/******************************************************************************
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 *		CoInitialize	[OLE32.@]
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 *
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 * Initializes the COM libraries by calling CoInitializeEx with
 * COINIT_APARTMENTTHREADED, ie it enters a STA thread.
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 *
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 * PARAMS
 *  lpReserved [I] Pointer to IMalloc interface (obsolete, should be NULL).
 *
 * RETURNS
 *  Success: S_OK if not already initialized, S_FALSE otherwise.
 *  Failure: HRESULT code.
 *
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 * SEE ALSO
 *   CoInitializeEx
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 */
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HRESULT WINAPI CoInitialize(LPVOID lpReserved)
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{
  /*
   * Just delegate to the newer method.
   */
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  return CoInitializeEx(lpReserved, COINIT_APARTMENTTHREADED);
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}

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/******************************************************************************
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 *		CoInitializeEx	[OLE32.@]
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 *
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 * Initializes the COM libraries.
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 *
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 * PARAMS
 *  lpReserved [I] Pointer to IMalloc interface (obsolete, should be NULL).
 *  dwCoInit   [I] One or more flags from the COINIT enumeration. See notes.
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 *
 * RETURNS
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 *  S_OK               if successful,
 *  S_FALSE            if this function was called already.
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 *  RPC_E_CHANGED_MODE if a previous call to CoInitializeEx specified another
 *                     threading model.
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 *
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 * NOTES
 *
 * The behavior used to set the IMalloc used for memory management is
 * obsolete.
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 * The dwCoInit parameter must specify one of the following apartment
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 * threading models:
 *| COINIT_APARTMENTTHREADED - A single-threaded apartment (STA).
 *| COINIT_MULTITHREADED - A multi-threaded apartment (MTA).
 * The parameter may also specify zero or more of the following flags:
 *| COINIT_DISABLE_OLE1DDE - Don't use DDE for OLE1 support.
 *| COINIT_SPEED_OVER_MEMORY - Trade memory for speed.
 *
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 * SEE ALSO
 *   CoUninitialize
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 */
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HRESULT WINAPI CoInitializeEx(LPVOID lpReserved, DWORD dwCoInit)
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{
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  struct oletls *info = COM_CurrentInfo();
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  HRESULT hr = S_OK;
  APARTMENT *apt;
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  TRACE("(%p, %x)\n", lpReserved, (int)dwCoInit);
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  if (lpReserved!=NULL)
  {
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    ERR("(%p, %x) - Bad parameter passed-in %p, must be an old Windows Application\n", lpReserved, (int)dwCoInit, lpReserved);
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  }

  /*
   * Check the lock count. If this is the first time going through the initialize
   * process, we have to initialize the libraries.
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   *
   * And crank-up that lock count.
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   */
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  if (InterlockedExchangeAdd(&s_COMLockCount,1)==0)
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  {
    /*
     * Initialize the various COM libraries and data structures.
     */
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    TRACE("() - Initializing the COM libraries\n");
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    /* we may need to defer this until after apartment initialisation */
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    RunningObjectTableImpl_Initialize();
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  }
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  if (info->spy)
      IInitializeSpy_PreInitialize(info->spy, dwCoInit, info->inits);

  if (!(apt = info->apt))
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  {
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    apt = apartment_get_or_create(dwCoInit);
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    if (!apt) return E_OUTOFMEMORY;
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  }
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  else if (!apartment_is_model(apt, dwCoInit))
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  {
    /* Changing the threading model after it's been set is illegal. If this warning is triggered by Wine
       code then we are probably using the wrong threading model to implement that API. */
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    ERR("Attempt to change threading model of this apartment from %s to %s\n",
        apt->multi_threaded ? "multi-threaded" : "apartment threaded",
        dwCoInit & COINIT_APARTMENTTHREADED ? "apartment threaded" : "multi-threaded");
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    return RPC_E_CHANGED_MODE;
  }
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  else
    hr = S_FALSE;
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  info->inits++;

  if (info->spy)
      IInitializeSpy_PostInitialize(info->spy, hr, dwCoInit, info->inits);
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  return hr;
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}

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/***********************************************************************
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 *           CoUninitialize   [OLE32.@]
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 *
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 * This method will decrement the refcount on the current apartment, freeing
 * the resources associated with it if it is the last thread in the apartment.
 * If the last apartment is freed, the function will additionally release
 * any COM resources associated with the process.
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 *
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 * PARAMS
 *
 * RETURNS
 *  Nothing.
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 *
 * SEE ALSO
 *   CoInitializeEx
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 */
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void WINAPI CoUninitialize(void)
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{
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  struct oletls * info = COM_CurrentInfo();
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  LONG lCOMRefCnt;
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  TRACE("()\n");
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  /* will only happen on OOM */
  if (!info) return;

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  if (info->spy)
      IInitializeSpy_PreUninitialize(info->spy, info->inits);

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  /* sanity check */
  if (!info->inits)
  {
    ERR("Mismatched CoUninitialize\n");
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    if (info->spy)
        IInitializeSpy_PostUninitialize(info->spy, info->inits);
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    return;
  }

  if (!--info->inits)
  {
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    apartment_release(info->apt);
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    info->apt = NULL;
  }
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  /*
   * Decrease the reference count.
   * If we are back to 0 locks on the COM library, make sure we free
   * all the associated data structures.
   */
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  lCOMRefCnt = InterlockedExchangeAdd(&s_COMLockCount,-1);
  if (lCOMRefCnt==1)
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  {
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    TRACE("() - Releasing the COM libraries\n");
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    RunningObjectTableImpl_UnInitialize();
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  }
  else if (lCOMRefCnt<1) {
    ERR( "CoUninitialize() - not CoInitialized.\n" );
    InterlockedExchangeAdd(&s_COMLockCount,1); /* restore the lock count. */
  }
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  if (info->spy)
      IInitializeSpy_PostUninitialize(info->spy, info->inits);
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}
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/******************************************************************************
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 *		CoDisconnectObject	[OLE32.@]
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 *
 * Disconnects all connections to this object from remote processes. Dispatches
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 * pending RPCs while blocking new RPCs from occurring, and then calls
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 * IMarshal::DisconnectObject on the given object.
 *
 * Typically called when the object server is forced to shut down, for instance by
 * the user.
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 *
 * PARAMS
 *  lpUnk    [I] The object whose stub should be disconnected.
 *  reserved [I] Reserved. Should be set to 0.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: HRESULT code.
 *
 * SEE ALSO
 *  CoMarshalInterface, CoReleaseMarshalData, CoLockObjectExternal
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 */
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HRESULT WINAPI CoDisconnectObject( LPUNKNOWN lpUnk, DWORD reserved )
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{
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    HRESULT hr;
    IMarshal *marshal;
    APARTMENT *apt;

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    TRACE("(%p, 0x%08x)\n", lpUnk, reserved);
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    if (!lpUnk) return E_INVALIDARG;

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    hr = IUnknown_QueryInterface(lpUnk, &IID_IMarshal, (void **)&marshal);
    if (hr == S_OK)
    {
        hr = IMarshal_DisconnectObject(marshal, reserved);
        IMarshal_Release(marshal);
        return hr;
    }

    apt = COM_CurrentApt();
    if (!apt)
        return CO_E_NOTINITIALIZED;

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    apartment_disconnectobject(apt, lpUnk);
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    /* Note: native is pretty broken here because it just silently
     * fails, without returning an appropriate error code if the object was
     * not found, making apps think that the object was disconnected, when
     * it actually wasn't */

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    return S_OK;
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}

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/******************************************************************************
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 *		CoCreateGuid [OLE32.@]
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 *
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 * Simply forwards to UuidCreate in RPCRT4.
 *
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 * PARAMS
 *  pguid [O] Points to the GUID to initialize.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: HRESULT code.
 *
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 * SEE ALSO
 *   UuidCreate
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 */
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HRESULT WINAPI CoCreateGuid(GUID *pguid)
{
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    DWORD status = UuidCreate(pguid);
    if (status == RPC_S_OK || status == RPC_S_UUID_LOCAL_ONLY) return S_OK;
    return HRESULT_FROM_WIN32( status );
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}
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static inline BOOL is_valid_hex(WCHAR c)
{
    if (!(((c >= '0') && (c <= '9'))  ||
          ((c >= 'a') && (c <= 'f'))  ||
          ((c >= 'A') && (c <= 'F'))))
        return FALSE;
    return TRUE;
}

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/******************************************************************************
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 *		CLSIDFromString	[OLE32.@]
 *		IIDFromString   [OLE32.@]
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 *
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 * Converts a unique identifier from its string representation into
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 * the GUID struct.
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 *
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 * PARAMS
 *  idstr [I] The string representation of the GUID.
 *  id    [O] GUID converted from the string.
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 *
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 * RETURNS
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 *   S_OK on success
 *   CO_E_CLASSSTRING if idstr is not a valid CLSID
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 *
 * SEE ALSO
 *  StringFromCLSID
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 */
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static HRESULT __CLSIDFromString(LPCWSTR s, LPCLSID id)
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{
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  int	i;
  BYTE table[256];

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  if (!s || s[0]!='{') {
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    memset( id, 0, sizeof (CLSID) );
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    if(!s) return S_OK;
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    return CO_E_CLASSSTRING;
1642
  }
1643

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  TRACE("%s -> %p\n", debugstr_w(s), id);
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  /* 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} */

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  id->Data1 = 0;
  for (i = 1; i < 9; i++) {
    if (!is_valid_hex(s[i])) return CO_E_CLASSSTRING;
    id->Data1 = (id->Data1 << 4) | table[s[i]];
  }
  if (s[9]!='-') return CO_E_CLASSSTRING;

  id->Data2 = 0;
  for (i = 10; i < 14; i++) {
    if (!is_valid_hex(s[i])) return CO_E_CLASSSTRING;
    id->Data2 = (id->Data2 << 4) | table[s[i]];
  }
  if (s[14]!='-') return CO_E_CLASSSTRING;

  id->Data3 = 0;
  for (i = 15; i < 19; i++) {
    if (!is_valid_hex(s[i])) return CO_E_CLASSSTRING;
    id->Data3 = (id->Data3 << 4) | table[s[i]];
  }
  if (s[19]!='-') return CO_E_CLASSSTRING;

  for (i = 20; i < 37; i+=2) {
    if (i == 24) {
      if (s[i]!='-') return CO_E_CLASSSTRING;
      i++;
    }
    if (!is_valid_hex(s[i]) || !is_valid_hex(s[i+1])) return CO_E_CLASSSTRING;
    id->Data4[(i-20)/2] = table[s[i]] << 4 | table[s[i+1]];
  }

  if (s[37] == '}' && s[38] == '\0')
    return S_OK;

  return CO_E_CLASSSTRING;
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}

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/*****************************************************************************/

1697
HRESULT WINAPI CLSIDFromString(LPCOLESTR idstr, LPCLSID id )
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{
    HRESULT ret;
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    if (!id)
        return E_INVALIDARG;

1704
    ret = __CLSIDFromString(idstr, id);
1705
    if(ret != S_OK) { /* It appears a ProgID is also valid */
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        CLSID tmp_id;
        ret = CLSIDFromProgID(idstr, &tmp_id);
        if(SUCCEEDED(ret))
            *id = tmp_id;
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    }
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    return ret;
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}

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/******************************************************************************
1716 1717
 *		StringFromCLSID	[OLE32.@]
 *		StringFromIID   [OLE32.@]
1718
 *
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 * Converts a GUID into the respective string representation.
 * The target string is allocated using the OLE IMalloc.
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 *
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 * PARAMS
 *  id    [I] the GUID to be converted.
 *  idstr [O] A pointer to a to-be-allocated pointer pointing to the resulting string.
 *
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 * RETURNS
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 *   S_OK
 *   E_FAIL
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 *
 * SEE ALSO
 *  StringFromGUID2, CLSIDFromString
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 */
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HRESULT WINAPI StringFromCLSID(REFCLSID id, LPOLESTR *idstr)
{
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    HRESULT ret;
    LPMALLOC mllc;

    if ((ret = CoGetMalloc(0,&mllc))) return ret;
    if (!(*idstr = IMalloc_Alloc( mllc, CHARS_IN_GUID * sizeof(WCHAR) ))) return E_OUTOFMEMORY;
    StringFromGUID2( id, *idstr, CHARS_IN_GUID );
    return S_OK;
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}

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/******************************************************************************
1745
 *		StringFromGUID2	[OLE32.@]
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 *
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 * Modified version of StringFromCLSID that allows you to specify max
 * buffer size.
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 *
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 * PARAMS
 *  id   [I] GUID to convert to string.
 *  str  [O] Buffer where the result will be stored.
 *  cmax [I] Size of the buffer in characters.
 *
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 * RETURNS
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 *	Success: The length of the resulting string in characters.
 *  Failure: 0.
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 */
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INT WINAPI StringFromGUID2(REFGUID id, LPOLESTR str, INT cmax)
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{
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    static const WCHAR formatW[] = { '{','%','0','8','X','-','%','0','4','X','-',
                                     '%','0','4','X','-','%','0','2','X','%','0','2','X','-',
                                     '%','0','2','X','%','0','2','X','%','0','2','X','%','0','2','X',
                                     '%','0','2','X','%','0','2','X','}',0 };
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    if (!id || cmax < CHARS_IN_GUID) return 0;
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    sprintfW( str, formatW, id->Data1, id->Data2, id->Data3,
              id->Data4[0], id->Data4[1], id->Data4[2], id->Data4[3],
              id->Data4[4], id->Data4[5], id->Data4[6], id->Data4[7] );
    return CHARS_IN_GUID;
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}
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/* open HKCR\\CLSID\\{string form of clsid}\\{keyname} key */
HRESULT COM_OpenKeyForCLSID(REFCLSID clsid, LPCWSTR keyname, REGSAM access, HKEY *subkey)
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{
    static const WCHAR wszCLSIDSlash[] = {'C','L','S','I','D','\\',0};
    WCHAR path[CHARS_IN_GUID + ARRAYSIZE(wszCLSIDSlash) - 1];
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    LONG res;
    HKEY key;

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    strcpyW(path, wszCLSIDSlash);
    StringFromGUID2(clsid, path + strlenW(wszCLSIDSlash), CHARS_IN_GUID);
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    res = RegOpenKeyExW(HKEY_CLASSES_ROOT, path, 0, keyname ? KEY_READ : access, &key);
    if (res == ERROR_FILE_NOT_FOUND)
        return REGDB_E_CLASSNOTREG;
    else if (res != ERROR_SUCCESS)
        return REGDB_E_READREGDB;

    if (!keyname)
    {
        *subkey = key;
        return S_OK;
    }

    res = RegOpenKeyExW(key, keyname, 0, access, subkey);
    RegCloseKey(key);
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    if (res == ERROR_FILE_NOT_FOUND)
        return REGDB_E_KEYMISSING;
    else if (res != ERROR_SUCCESS)
        return REGDB_E_READREGDB;

    return S_OK;
}

/* open HKCR\\AppId\\{string form of appid clsid} key */
HRESULT COM_OpenKeyForAppIdFromCLSID(REFCLSID clsid, REGSAM access, HKEY *subkey)
{
    static const WCHAR szAppId[] = { 'A','p','p','I','d',0 };
    static const WCHAR szAppIdKey[] = { 'A','p','p','I','d','\\',0 };
    DWORD res;
    WCHAR buf[CHARS_IN_GUID];
    WCHAR keyname[ARRAYSIZE(szAppIdKey) + CHARS_IN_GUID];
    DWORD size;
    HKEY hkey;
    DWORD type;
    HRESULT hr;

    /* read the AppID value under the class's key */
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    hr = COM_OpenKeyForCLSID(clsid, NULL, KEY_READ, &hkey);
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    if (FAILED(hr))
        return hr;

    size = sizeof(buf);
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    res = RegQueryValueExW(hkey, szAppId, NULL, &type, (LPBYTE)buf, &size);
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    RegCloseKey(hkey);
    if (res == ERROR_FILE_NOT_FOUND)
        return REGDB_E_KEYMISSING;
    else if (res != ERROR_SUCCESS || type!=REG_SZ)
        return REGDB_E_READREGDB;

    strcpyW(keyname, szAppIdKey);
    strcatW(keyname, buf);
    res = RegOpenKeyExW(HKEY_CLASSES_ROOT, keyname, 0, access, subkey);
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    if (res == ERROR_FILE_NOT_FOUND)
        return REGDB_E_KEYMISSING;
    else if (res != ERROR_SUCCESS)
        return REGDB_E_READREGDB;

    return S_OK;
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}

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/******************************************************************************
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 *               ProgIDFromCLSID [OLE32.@]
 *
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 * Converts a class id into the respective program ID.
 *
 * PARAMS
 *  clsid        [I] Class ID, as found in registry.
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 *  ppszProgID [O] Associated ProgID.
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 *
 * RETURNS
 *   S_OK
 *   E_OUTOFMEMORY
 *   REGDB_E_CLASSNOTREG if the given clsid has no associated ProgID
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 */
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HRESULT WINAPI ProgIDFromCLSID(REFCLSID clsid, LPOLESTR *ppszProgID)
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{
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    static const WCHAR wszProgID[] = {'P','r','o','g','I','D',0};
    HKEY     hkey;
    HRESULT  ret;
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    LONG progidlen = 0;
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    if (!ppszProgID)
    {
        ERR("ppszProgId isn't optional\n");
        return E_INVALIDARG;
    }

    *ppszProgID = NULL;
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    ret = COM_OpenKeyForCLSID(clsid, wszProgID, KEY_READ, &hkey);
    if (FAILED(ret))
        return ret;

1873
    if (RegQueryValueW(hkey, NULL, NULL, &progidlen))
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      ret = REGDB_E_CLASSNOTREG;

    if (ret == S_OK)
    {
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      *ppszProgID = CoTaskMemAlloc(progidlen * sizeof(WCHAR));
      if (*ppszProgID)
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      {
1881
        if (RegQueryValueW(hkey, NULL, *ppszProgID, &progidlen))
1882
          ret = REGDB_E_CLASSNOTREG;
1883
      }
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      else
        ret = E_OUTOFMEMORY;
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    }

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    RegCloseKey(hkey);
    return ret;
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}

1892
/******************************************************************************
1893
 *		CLSIDFromProgID	[OLE32.@]
1894
 *
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 * Converts a program id into the respective GUID.
 *
 * PARAMS
 *  progid [I] Unicode program ID, as found in registry.
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 *  clsid  [O] Associated CLSID.
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 *
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 * RETURNS
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 *	Success: S_OK
 *  Failure: CO_E_CLASSSTRING - the given ProgID cannot be found.
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 */
1905
HRESULT WINAPI CLSIDFromProgID(LPCOLESTR progid, LPCLSID clsid)
1906 1907
{
    static const WCHAR clsidW[] = { '\\','C','L','S','I','D',0 };
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    WCHAR buf2[CHARS_IN_GUID];
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    LONG buf2len = sizeof(buf2);
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    HKEY xhkey;
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    WCHAR *buf;
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    if (!progid || !clsid)
    {
        ERR("neither progid (%p) nor clsid (%p) are optional\n", progid, clsid);
        return E_INVALIDARG;
    }

    /* initialise clsid in case of failure */
    memset(clsid, 0, sizeof(*clsid));

    buf = HeapAlloc( GetProcessHeap(),0,(strlenW(progid)+8) * sizeof(WCHAR) );
1923 1924 1925 1926 1927
    strcpyW( buf, progid );
    strcatW( buf, clsidW );
    if (RegOpenKeyW(HKEY_CLASSES_ROOT,buf,&xhkey))
    {
        HeapFree(GetProcessHeap(),0,buf);
1928
        WARN("couldn't open key for ProgID %s\n", debugstr_w(progid));
1929 1930 1931
        return CO_E_CLASSSTRING;
    }
    HeapFree(GetProcessHeap(),0,buf);
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    if (RegQueryValueW(xhkey,NULL,buf2,&buf2len))
1934 1935
    {
        RegCloseKey(xhkey);
1936
        WARN("couldn't query clsid value for ProgID %s\n", debugstr_w(progid));
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        return CO_E_CLASSSTRING;
    }
    RegCloseKey(xhkey);
1940
    return __CLSIDFromString(buf2,clsid);
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}

1943 1944

/*****************************************************************************
1945
 *             CoGetPSClsid [OLE32.@]
1946
 *
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1947 1948
 * Retrieves the CLSID of the proxy/stub factory that implements
 * IPSFactoryBuffer for the specified interface.
1949
 *
1950 1951 1952 1953 1954 1955 1956
 * PARAMS
 *  riid   [I] Interface whose proxy/stub CLSID is to be returned.
 *  pclsid [O] Where to store returned proxy/stub CLSID.
 * 
 * RETURNS
 *   S_OK
 *   E_OUTOFMEMORY
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1957
 *   REGDB_E_IIDNOTREG if no PSFactoryBuffer is associated with the IID, or it could not be parsed
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 *
 * NOTES
 *
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 * The standard marshaller activates the object with the CLSID
 * returned and uses the CreateProxy and CreateStub methods on its
 * IPSFactoryBuffer interface to construct the proxies and stubs for a
 * given object.
1965 1966
 *
 * CoGetPSClsid determines this CLSID by searching the
1967 1968 1969
 * HKEY_CLASSES_ROOT\Interface\{string form of riid}\ProxyStubClsid32
 * in the registry and any interface id registered by
 * CoRegisterPSClsid within the current process.
1970
 *
1971
 * BUGS
1972
 *
1973
 * Native returns S_OK for interfaces with a key in HKCR\Interface, but
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1974 1975
 * without a ProxyStubClsid32 key and leaves garbage in pclsid. This should be
 * considered a bug in native unless an application depends on this (unlikely).
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 *
 * SEE ALSO
 *  CoRegisterPSClsid.
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 */
1980
HRESULT WINAPI CoGetPSClsid(REFIID riid, CLSID *pclsid)
1981
{
1982 1983 1984 1985
    static const WCHAR wszInterface[] = {'I','n','t','e','r','f','a','c','e','\\',0};
    static const WCHAR wszPSC[] = {'\\','P','r','o','x','y','S','t','u','b','C','l','s','i','d','3','2',0};
    WCHAR path[ARRAYSIZE(wszInterface) - 1 + CHARS_IN_GUID - 1 + ARRAYSIZE(wszPSC)];
    WCHAR value[CHARS_IN_GUID];
1986
    LONG len;
1987
    HKEY hkey;
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    APARTMENT *apt = COM_CurrentApt();
    struct registered_psclsid *registered_psclsid;
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    TRACE("() riid=%s, pclsid=%p\n", debugstr_guid(riid), pclsid);

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    if (!apt)
    {
        ERR("apartment not initialised\n");
        return CO_E_NOTINITIALIZED;
    }

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    if (!pclsid)
    {
        ERR("pclsid isn't optional\n");
        return E_INVALIDARG;
    }

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    EnterCriticalSection(&apt->cs);

    LIST_FOR_EACH_ENTRY(registered_psclsid, &apt->psclsids, struct registered_psclsid, entry)
        if (IsEqualIID(&registered_psclsid->iid, riid))
        {
            *pclsid = registered_psclsid->clsid;
            LeaveCriticalSection(&apt->cs);
            return S_OK;
        }

    LeaveCriticalSection(&apt->cs);

2017 2018 2019 2020
    /* Interface\\{string form of riid}\\ProxyStubClsid32 */
    strcpyW(path, wszInterface);
    StringFromGUID2(riid, path + ARRAYSIZE(wszInterface) - 1, CHARS_IN_GUID);
    strcpyW(path + ARRAYSIZE(wszInterface) - 1 + CHARS_IN_GUID - 1, wszPSC);
2021 2022

    /* Open the key.. */
2023
    if (RegOpenKeyExW(HKEY_CLASSES_ROOT, path, 0, KEY_READ, &hkey))
2024
    {
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2025 2026
        WARN("No PSFactoryBuffer object is registered for IID %s\n", debugstr_guid(riid));
        return REGDB_E_IIDNOTREG;
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    }

    /* ... Once we have the key, query the registry to get the
2030
       value of CLSID as a string, and convert it into a
2031
       proper CLSID structure to be passed back to the app */
2032 2033
    len = sizeof(value);
    if (ERROR_SUCCESS != RegQueryValueW(hkey, NULL, value, &len))
2034
    {
2035
        RegCloseKey(hkey);
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        return REGDB_E_IIDNOTREG;
2037
    }
2038
    RegCloseKey(hkey);
2039

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2040 2041
    /* We have the CLSID we want back from the registry as a string, so
       let's convert it into a CLSID structure */
2042
    if (CLSIDFromString(value, pclsid) != NOERROR)
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        return REGDB_E_IIDNOTREG;
2044 2045

    TRACE ("() Returning CLSID=%s\n", debugstr_guid(pclsid));
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2046
    return S_OK;
2047 2048
}

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/*****************************************************************************
 *             CoRegisterPSClsid [OLE32.@]
 *
 * Register a proxy/stub CLSID for the given interface in the current process
 * only.
 *
 * PARAMS
 *  riid   [I] Interface whose proxy/stub CLSID is to be registered.
 *  rclsid [I] CLSID of the proxy/stub.
 * 
 * RETURNS
 *   Success: S_OK
 *   Failure: E_OUTOFMEMORY
 *
 * NOTES
 *
 * This function does not add anything to the registry and the effects are
 * limited to the lifetime of the current process.
 *
 * SEE ALSO
 *  CoGetPSClsid.
 */
HRESULT WINAPI CoRegisterPSClsid(REFIID riid, REFCLSID rclsid)
{
    APARTMENT *apt = COM_CurrentApt();
    struct registered_psclsid *registered_psclsid;

    TRACE("(%s, %s)\n", debugstr_guid(riid), debugstr_guid(rclsid));

    if (!apt)
    {
        ERR("apartment not initialised\n");
        return CO_E_NOTINITIALIZED;
    }

    EnterCriticalSection(&apt->cs);

    LIST_FOR_EACH_ENTRY(registered_psclsid, &apt->psclsids, struct registered_psclsid, entry)
        if (IsEqualIID(&registered_psclsid->iid, riid))
        {
            registered_psclsid->clsid = *rclsid;
            LeaveCriticalSection(&apt->cs);
            return S_OK;
        }

    registered_psclsid = HeapAlloc(GetProcessHeap(), 0, sizeof(struct registered_psclsid));
    if (!registered_psclsid)
    {
        LeaveCriticalSection(&apt->cs);
        return E_OUTOFMEMORY;
    }

    registered_psclsid->iid = *riid;
    registered_psclsid->clsid = *rclsid;
    list_add_head(&apt->psclsids, &registered_psclsid->entry);

    LeaveCriticalSection(&apt->cs);

    return S_OK;
}

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/***
 * COM_GetRegisteredClassObject
 *
2114
 * This internal method is used to scan the registered class list to
2115 2116
 * find a class object.
 *
2117
 * Params:
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 *   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.
 */
2124 2125
static HRESULT COM_GetRegisteredClassObject(const struct apartment *apt, REFCLSID rclsid,
                                            DWORD dwClsContext, LPUNKNOWN* ppUnk)
2126
{
2127
  HRESULT hr = S_FALSE;
2128
  RegisteredClass *curClass;
2129

2130
  EnterCriticalSection( &csRegisteredClassList );
2131

2132
  LIST_FOR_EACH_ENTRY(curClass, &RegisteredClassList, RegisteredClass, entry)
2133 2134
  {
    /*
2135
     * Check if we have a match on the class ID and context.
2136
     */
2137 2138
    if ((apt->oxid == curClass->apartment_id) &&
        (dwClsContext & curClass->runContext) &&
2139
        IsEqualGUID(&(curClass->classIdentifier), rclsid))
2140 2141 2142 2143 2144 2145 2146 2147
    {
      /*
       * We have a match, return the pointer to the class object.
       */
      *ppUnk = curClass->classObject;

      IUnknown_AddRef(curClass->classObject);

2148
      hr = S_OK;
2149
      break;
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    }
  }

2153
  LeaveCriticalSection( &csRegisteredClassList );
2154

2155
  return hr;
2156 2157
}

2158
/******************************************************************************
2159
 *		CoRegisterClassObject	[OLE32.@]
2160
 *
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 * Registers the class object for a given class ID. Servers housed in EXE
 * files use this method instead of exporting DllGetClassObject to allow
 * other code to connect to their objects.
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 *
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 * PARAMS
 *  rclsid       [I] CLSID of the object to register.
 *  pUnk         [I] IUnknown of the object.
 *  dwClsContext [I] CLSCTX flags indicating the context in which to run the executable.
 *  flags        [I] REGCLS flags indicating how connections are made.
 *  lpdwRegister [I] A unique cookie that can be passed to CoRevokeClassObject.
 *
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 * RETURNS
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 *   S_OK on success,
 *   E_INVALIDARG if lpdwRegister or pUnk are NULL,
2175 2176 2177 2178
 *   CO_E_OBJISREG if the object is already registered. We should not return this.
 *
 * SEE ALSO
 *   CoRevokeClassObject, CoGetClassObject
2179
 *
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 * NOTES
 *  In-process objects are only registered for the current apartment.
 *  CoGetClassObject() and CoCreateInstance() will not return objects registered
 *  in other apartments.
 *
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 * BUGS
 *  MSDN claims that multiple interface registrations are legal, but we
 *  can't do that with our current implementation.
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2188
 */
2189
HRESULT WINAPI CoRegisterClassObject(
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    REFCLSID rclsid,
    LPUNKNOWN pUnk,
    DWORD dwClsContext,
    DWORD flags,
    LPDWORD lpdwRegister)
2195
{
2196
  static LONG next_cookie;
2197 2198 2199
  RegisteredClass* newClass;
  LPUNKNOWN        foundObject;
  HRESULT          hr;
2200
  APARTMENT *apt;
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2202
  TRACE("(%s,%p,0x%08x,0x%08x,%p)\n",
2203
	debugstr_guid(rclsid),pUnk,dwClsContext,flags,lpdwRegister);
2204 2205 2206 2207

  if ( (lpdwRegister==0) || (pUnk==0) )
    return E_INVALIDARG;

2208 2209
  apt = COM_CurrentApt();
  if (!apt)
2210 2211 2212 2213 2214
  {
      ERR("COM was not initialized\n");
      return CO_E_NOTINITIALIZED;
  }

2215 2216
  *lpdwRegister = 0;

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  /* REGCLS_MULTIPLEUSE implies registering as inproc server. This is what
   * differentiates the flag from REGCLS_MULTI_SEPARATE. */
  if (flags & REGCLS_MULTIPLEUSE)
    dwClsContext |= CLSCTX_INPROC_SERVER;

2222 2223 2224 2225
  /*
   * First, check if the class is already registered.
   * If it is, this should cause an error.
   */
2226
  hr = COM_GetRegisteredClassObject(apt, rclsid, dwClsContext, &foundObject);
2227
  if (hr == S_OK) {
2228 2229 2230 2231 2232 2233
    if (flags & REGCLS_MULTIPLEUSE) {
      if (dwClsContext & CLSCTX_LOCAL_SERVER)
        hr = CoLockObjectExternal(foundObject, TRUE, FALSE);
      IUnknown_Release(foundObject);
      return hr;
    }
2234
    IUnknown_Release(foundObject);
2235
    ERR("object already registered for class %s\n", debugstr_guid(rclsid));
2236 2237
    return CO_E_OBJISREG;
  }
2238

2239
  newClass = HeapAlloc(GetProcessHeap(), 0, sizeof(RegisteredClass));
2240 2241
  if ( newClass == NULL )
    return E_OUTOFMEMORY;
2242 2243

  newClass->classIdentifier = *rclsid;
2244
  newClass->apartment_id    = apt->oxid;
2245 2246
  newClass->runContext      = dwClsContext;
  newClass->connectFlags    = flags;
2247
  newClass->pMarshaledData  = NULL;
2248
  newClass->RpcRegistration = NULL;
2249

2250 2251
  if (!(newClass->dwCookie = InterlockedIncrement( &next_cookie )))
      newClass->dwCookie = InterlockedIncrement( &next_cookie );
2252 2253

  /*
2254
   * Since we're making a copy of the object pointer, we have to increase its
2255 2256 2257 2258 2259
   * reference count.
   */
  newClass->classObject     = pUnk;
  IUnknown_AddRef(newClass->classObject);

2260 2261
  EnterCriticalSection( &csRegisteredClassList );
  list_add_tail(&RegisteredClassList, &newClass->entry);
2262 2263
  LeaveCriticalSection( &csRegisteredClassList );

2264
  *lpdwRegister = newClass->dwCookie;
2265

2266
  if (dwClsContext & CLSCTX_LOCAL_SERVER) {
2267 2268
      hr = CreateStreamOnHGlobal(0, TRUE, &newClass->pMarshaledData);
      if (hr) {
2269
          FIXME("Failed to create stream on hglobal, %x\n", hr);
2270 2271
          return hr;
      }
2272
      hr = CoMarshalInterface(newClass->pMarshaledData, &IID_IUnknown,
2273
                              newClass->classObject, MSHCTX_LOCAL, NULL,
2274 2275
                              MSHLFLAGS_TABLESTRONG);
      if (hr) {
2276
          FIXME("CoMarshalInterface failed, %x!\n",hr);
2277 2278 2279
          return hr;
      }

2280 2281
      hr = RPC_StartLocalServer(&newClass->classIdentifier,
                                newClass->pMarshaledData,
2282
                                flags & (REGCLS_MULTIPLEUSE|REGCLS_MULTI_SEPARATE),
2283
                                &newClass->RpcRegistration);
2284
  }
2285
  return S_OK;
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}

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static void get_threading_model(HKEY key, LPWSTR value, DWORD len)
{
    static const WCHAR wszThreadingModel[] = {'T','h','r','e','a','d','i','n','g','M','o','d','e','l',0};
    DWORD keytype;
    DWORD ret;
    DWORD dwLength = len * sizeof(WCHAR);

    ret = RegQueryValueExW(key, wszThreadingModel, NULL, &keytype, (LPBYTE)value, &dwLength);
    if ((ret != ERROR_SUCCESS) || (keytype != REG_SZ))
        value[0] = '\0';
}

2300
static HRESULT get_inproc_class_object(APARTMENT *apt, HKEY hkeydll,
2301 2302
                                       REFCLSID rclsid, REFIID riid,
                                       BOOL hostifnecessary, void **ppv)
2303 2304
{
    WCHAR dllpath[MAX_PATH+1];
2305
    BOOL apartment_threaded;
2306

2307
    if (hostifnecessary)
2308
    {
2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342
        static const WCHAR wszApartment[] = {'A','p','a','r','t','m','e','n','t',0};
        static const WCHAR wszFree[] = {'F','r','e','e',0};
        static const WCHAR wszBoth[] = {'B','o','t','h',0};
        WCHAR threading_model[10 /* strlenW(L"apartment")+1 */];

        get_threading_model(hkeydll, threading_model, ARRAYSIZE(threading_model));
        /* "Apartment" */
        if (!strcmpiW(threading_model, wszApartment))
        {
            apartment_threaded = TRUE;
            if (apt->multi_threaded)
                return apartment_hostobject_in_hostapt(apt, FALSE, FALSE, hkeydll, rclsid, riid, ppv);
        }
        /* "Free" */
        else if (!strcmpiW(threading_model, wszFree))
        {
            apartment_threaded = FALSE;
            if (!apt->multi_threaded)
                return apartment_hostobject_in_hostapt(apt, TRUE, FALSE, hkeydll, rclsid, riid, ppv);
        }
        /* everything except "Apartment", "Free" and "Both" */
        else if (strcmpiW(threading_model, wszBoth))
        {
            apartment_threaded = TRUE;
            /* everything else is main-threaded */
            if (threading_model[0])
                FIXME("unrecognised threading model %s for object %s, should be main-threaded?\n",
                    debugstr_w(threading_model), debugstr_guid(rclsid));

            if (apt->multi_threaded || !apt->main)
                return apartment_hostobject_in_hostapt(apt, FALSE, TRUE, hkeydll, rclsid, riid, ppv);
        }
        else
            apartment_threaded = FALSE;
2343
    }
2344 2345
    else
        apartment_threaded = !apt->multi_threaded;
2346

2347 2348 2349 2350 2351 2352 2353
    if (COM_RegReadPath(hkeydll, NULL, NULL, dllpath, ARRAYSIZE(dllpath)) != ERROR_SUCCESS)
    {
        /* failure: CLSID is not found in registry */
        WARN("class %s not registered inproc\n", debugstr_guid(rclsid));
        return REGDB_E_CLASSNOTREG;
    }

2354
    return apartment_getclassobject(apt, dllpath, apartment_threaded,
2355
                                    rclsid, riid, ppv);
2356 2357
}

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2358
/***********************************************************************
2359
 *           CoGetClassObject [OLE32.@]
2360
 *
2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382
 * Creates an object of the specified class.
 *
 * PARAMS
 *  rclsid       [I] Class ID to create an instance of.
 *  dwClsContext [I] Flags to restrict the location of the created instance.
 *  pServerInfo  [I] Optional. Details for connecting to a remote server.
 *  iid          [I] The ID of the interface of the instance to return.
 *  ppv          [O] On returns, contains a pointer to the specified interface of the object.
 *
 * RETURNS
 *  Success: S_OK
 *  Failure: HRESULT code.
 *
 * NOTES
 *  The dwClsContext parameter can be one or more of the following:
 *| CLSCTX_INPROC_SERVER - Use an in-process server, such as from a DLL.
 *| CLSCTX_INPROC_HANDLER - Use an in-process object which handles certain functions for an object running in another process.
 *| CLSCTX_LOCAL_SERVER - Connect to an object running in another process.
 *| CLSCTX_REMOTE_SERVER - Connect to an object running on another machine.
 *
 * SEE ALSO
 *  CoCreateInstance()
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 */
2384 2385
HRESULT WINAPI CoGetClassObject(
    REFCLSID rclsid, DWORD dwClsContext, COSERVERINFO *pServerInfo,
2386 2387
    REFIID iid, LPVOID *ppv)
{
2388 2389
    LPUNKNOWN	regClassObject;
    HRESULT	hres = E_UNEXPECTED;
2390
    APARTMENT  *apt;
2391
    BOOL release_apt = FALSE;
2392

2393
    TRACE("CLSID: %s,IID: %s\n", debugstr_guid(rclsid), debugstr_guid(iid));
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2395 2396 2397 2398 2399
    if (!ppv)
        return E_INVALIDARG;

    *ppv = NULL;

2400
    if (!(apt = COM_CurrentApt()))
2401
    {
2402 2403 2404 2405 2406 2407
        if (!(apt = apartment_find_multi_threaded()))
        {
            ERR("apartment not initialised\n");
            return CO_E_NOTINITIALIZED;
        }
        release_apt = TRUE;
2408 2409
    }

2410
    if (pServerInfo) {
2411 2412
	FIXME("pServerInfo->name=%s pAuthInfo=%p\n",
              debugstr_w(pServerInfo->pwszName), pServerInfo->pAuthInfo);
2413 2414
    }

2415
    /*
2416
     * First, try and see if we can't match the class ID with one of the
2417 2418
     * registered classes.
     */
2419 2420
    if (S_OK == COM_GetRegisteredClassObject(apt, rclsid, dwClsContext,
                                             &regClassObject))
2421
    {
2422
      /* Get the required interface from the retrieved pointer. */
2423 2424 2425 2426 2427 2428 2429 2430
      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);
2431
      if (release_apt) apartment_release(apt);
2432 2433 2434
      return hres;
    }

2435 2436
    /* First try in-process server */
    if (CLSCTX_INPROC_SERVER & dwClsContext)
2437 2438 2439 2440
    {
        static const WCHAR wszInprocServer32[] = {'I','n','p','r','o','c','S','e','r','v','e','r','3','2',0};
        HKEY hkey;

2441
        if (IsEqualCLSID(rclsid, &CLSID_InProcFreeMarshaler))
2442 2443
        {
            if (release_apt) apartment_release(apt);
2444
            return FTMarshalCF_Create(iid, ppv);
2445
        }
2446

2447 2448
        hres = COM_OpenKeyForCLSID(rclsid, wszInprocServer32, KEY_READ, &hkey);
        if (FAILED(hres))
2449
        {
2450 2451
            if (hres == REGDB_E_CLASSNOTREG)
                ERR("class %s not registered\n", debugstr_guid(rclsid));
2452 2453
            else if (hres == REGDB_E_KEYMISSING)
            {
2454
                WARN("class %s not registered as in-proc server\n", debugstr_guid(rclsid));
2455 2456
                hres = REGDB_E_CLASSNOTREG;
            }
2457 2458 2459 2460
        }

        if (SUCCEEDED(hres))
        {
2461 2462
            hres = get_inproc_class_object(apt, hkey, rclsid, iid,
                !(dwClsContext & WINE_CLSCTX_DONT_HOST), ppv);
2463 2464 2465 2466 2467 2468
            RegCloseKey(hkey);
        }

        /* return if we got a class, otherwise fall through to one of the
         * other types */
        if (SUCCEEDED(hres))
2469 2470
        {
            if (release_apt) apartment_release(apt);
2471
            return hres;
2472
        }
2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485
    }

    /* Next try in-process handler */
    if (CLSCTX_INPROC_HANDLER & dwClsContext)
    {
        static const WCHAR wszInprocHandler32[] = {'I','n','p','r','o','c','H','a','n','d','l','e','r','3','2',0};
        HKEY hkey;

        hres = COM_OpenKeyForCLSID(rclsid, wszInprocHandler32, KEY_READ, &hkey);
        if (FAILED(hres))
        {
            if (hres == REGDB_E_CLASSNOTREG)
                ERR("class %s not registered\n", debugstr_guid(rclsid));
2486 2487
            else if (hres == REGDB_E_KEYMISSING)
            {
2488
                WARN("class %s not registered in-proc handler\n", debugstr_guid(rclsid));
2489 2490
                hres = REGDB_E_CLASSNOTREG;
            }
2491
        }
2492

2493
        if (SUCCEEDED(hres))
2494
        {
2495 2496
            hres = get_inproc_class_object(apt, hkey, rclsid, iid,
                !(dwClsContext & WINE_CLSCTX_DONT_HOST), ppv);
2497
            RegCloseKey(hkey);
2498
        }
2499 2500 2501 2502

        /* return if we got a class, otherwise fall through to one of the
         * other types */
        if (SUCCEEDED(hres))
2503 2504
        {
            if (release_apt) apartment_release(apt);
2505
            return hres;
2506
        }
2507
    }
2508
    if (release_apt) apartment_release(apt);
2509

2510
    /* Next try out of process */
2511 2512
    if (CLSCTX_LOCAL_SERVER & dwClsContext)
    {
2513 2514 2515
        hres = RPC_GetLocalClassObject(rclsid,iid,ppv);
        if (SUCCEEDED(hres))
            return hres;
2516
    }
2517

2518
    /* Finally try remote: this requires networked DCOM (a lot of work) */
2519 2520 2521
    if (CLSCTX_REMOTE_SERVER & dwClsContext)
    {
        FIXME ("CLSCTX_REMOTE_SERVER not supported\n");
2522
        hres = REGDB_E_CLASSNOTREG;
2523 2524
    }

2525
    if (FAILED(hres))
2526
        ERR("no class object %s could be created for context 0x%x\n",
2527
            debugstr_guid(rclsid), dwClsContext);
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2528 2529
    return hres;
}
2530

2531
/***********************************************************************
2532
 *        CoResumeClassObjects (OLE32.@)
2533
 *
2534 2535 2536 2537 2538
 * Resumes all class objects registered with REGCLS_SUSPENDED.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: HRESULT code.
2539 2540 2541
 */
HRESULT WINAPI CoResumeClassObjects(void)
{
2542
       FIXME("stub\n");
2543 2544 2545
	return S_OK;
}

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2546
/***********************************************************************
2547
 *           CoCreateInstance [OLE32.@]
2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574 2575
 *
 * Creates an instance of the specified class.
 *
 * PARAMS
 *  rclsid       [I] Class ID to create an instance of.
 *  pUnkOuter    [I] Optional outer unknown to allow aggregation with another object.
 *  dwClsContext [I] Flags to restrict the location of the created instance.
 *  iid          [I] The ID of the interface of the instance to return.
 *  ppv          [O] On returns, contains a pointer to the specified interface of the instance.
 *
 * RETURNS
 *  Success: S_OK
 *  Failure: HRESULT code.
 *
 * NOTES
 *  The dwClsContext parameter can be one or more of the following:
 *| CLSCTX_INPROC_SERVER - Use an in-process server, such as from a DLL.
 *| CLSCTX_INPROC_HANDLER - Use an in-process object which handles certain functions for an object running in another process.
 *| CLSCTX_LOCAL_SERVER - Connect to an object running in another process.
 *| CLSCTX_REMOTE_SERVER - Connect to an object running on another machine.
 *
 * Aggregation is the concept of deferring the IUnknown of an object to another
 * object. This allows a separate object to behave as though it was part of
 * the object and to allow this the pUnkOuter parameter can be set. Note that
 * not all objects support having an outer of unknown.
 *
 * SEE ALSO
 *  CoGetClassObject()
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2576
 */
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2577 2578 2579 2580
HRESULT WINAPI CoCreateInstance(
	REFCLSID rclsid,
	LPUNKNOWN pUnkOuter,
	DWORD dwClsContext,
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2581
	REFIID iid,
2582
	LPVOID *ppv)
2583
{
2584 2585
  HRESULT hres;
  LPCLASSFACTORY lpclf = 0;
2586
  APARTMENT *apt;
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2587

2588
  TRACE("(rclsid=%s, pUnkOuter=%p, dwClsContext=%08x, riid=%s, ppv=%p)\n", debugstr_guid(rclsid),
2589 2590
        pUnkOuter, dwClsContext, debugstr_guid(iid), ppv);

2591 2592 2593 2594 2595 2596 2597 2598 2599 2600
  /*
   * Sanity check
   */
  if (ppv==0)
    return E_POINTER;

  /*
   * Initialize the "out" parameter
   */
  *ppv = 0;
2601

2602
  if (!(apt = COM_CurrentApt()))
2603
  {
2604 2605
    if (!(apt = apartment_find_multi_threaded()))
    {
2606 2607
      ERR("apartment not initialised\n");
      return CO_E_NOTINITIALIZED;
2608 2609
    }
    apartment_release(apt);
2610 2611
  }

2612 2613 2614 2615 2616
  /*
   * 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)) {
2617
    if (StdGlobalInterfaceTableInstance == NULL)
2618 2619 2620
      StdGlobalInterfaceTableInstance = StdGlobalInterfaceTable_Construct();
    hres = IGlobalInterfaceTable_QueryInterface( (IGlobalInterfaceTable*) StdGlobalInterfaceTableInstance, iid, ppv);
    if (hres) return hres;
2621

2622 2623 2624
    TRACE("Retrieved GIT (%p)\n", *ppv);
    return S_OK;
  }
2625

2626 2627 2628
  if (IsEqualCLSID(rclsid, &CLSID_ManualResetEvent))
      return ManualResetEvent_Construct(pUnkOuter, iid, ppv);

2629 2630 2631 2632 2633 2634
  /*
   * Get a class factory to construct the object we want.
   */
  hres = CoGetClassObject(rclsid,
			  dwClsContext,
			  NULL,
2635
			  &IID_IClassFactory,
2636 2637
			  (LPVOID)&lpclf);

2638
  if (FAILED(hres))
2639 2640 2641 2642 2643
    return hres;

  /*
   * Create the object and don't forget to release the factory
   */
2644 2645
	hres = IClassFactory_CreateInstance(lpclf, pUnkOuter, iid, ppv);
	IClassFactory_Release(lpclf);
2646
	if(FAILED(hres))
2647 2648 2649 2650 2651 2652
        {
          if (hres == CLASS_E_NOAGGREGATION && pUnkOuter)
              FIXME("Class %s does not support aggregation\n", debugstr_guid(rclsid));
          else
              FIXME("no instance created for interface %s of class %s, hres is 0x%08x\n", debugstr_guid(iid), debugstr_guid(rclsid),hres);
        }
2653

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2654
	return hres;
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2655 2656
}

2657
/***********************************************************************
2658
 *           CoCreateInstanceEx [OLE32.@]
2659 2660
 */
HRESULT WINAPI CoCreateInstanceEx(
2661
  REFCLSID      rclsid,
2662
  LPUNKNOWN     pUnkOuter,
2663
  DWORD         dwClsContext,
2664 2665 2666 2667 2668 2669 2670
  COSERVERINFO* pServerInfo,
  ULONG         cmq,
  MULTI_QI*     pResults)
{
  IUnknown* pUnk = NULL;
  HRESULT   hr;
  ULONG     index;
2671
  ULONG     successCount = 0;
2672 2673 2674 2675 2676 2677

  /*
   * Sanity check
   */
  if ( (cmq==0) || (pResults==NULL))
    return E_INVALIDARG;
2678

2679
  if (pServerInfo!=NULL)
2680
    FIXME("() non-NULL pServerInfo not supported!\n");
2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691

  /*
   * Initialize all the "out" parameters.
   */
  for (index = 0; index < cmq; index++)
  {
    pResults[index].pItf = NULL;
    pResults[index].hr   = E_NOINTERFACE;
  }

  /*
2692
   * Get the object and get its IUnknown pointer.
2693
   */
2694
  hr = CoCreateInstance(rclsid,
2695 2696 2697
			pUnkOuter,
			dwClsContext,
			&IID_IUnknown,
2698
			(VOID**)&pUnk);
2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728

  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;
}
2729

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2730
/***********************************************************************
2731
 *           CoLoadLibrary (OLE32.@)
2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744
 *
 * Loads a library.
 *
 * PARAMS
 *  lpszLibName [I] Path to library.
 *  bAutoFree   [I] Whether the library should automatically be freed.
 *
 * RETURNS
 *  Success: Handle to loaded library.
 *  Failure: NULL.
 *
 * SEE ALSO
 *  CoFreeLibrary, CoFreeAllLibraries, CoFreeUnusedLibraries
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2745
 */
2746
HINSTANCE WINAPI CoLoadLibrary(LPOLESTR lpszLibName, BOOL bAutoFree)
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Ove Kaaven committed
2747
{
2748
    TRACE("(%s, %d)\n", debugstr_w(lpszLibName), bAutoFree);
2749

2750 2751
    return LoadLibraryExW(lpszLibName, 0, LOAD_WITH_ALTERED_SEARCH_PATH);
}
2752

2753
/***********************************************************************
2754
 *           CoFreeLibrary [OLE32.@]
2755
 *
2756 2757 2758 2759 2760 2761 2762 2763 2764 2765
 * Unloads a library from memory.
 *
 * PARAMS
 *  hLibrary [I] Handle to library to unload.
 *
 * RETURNS
 *  Nothing
 *
 * SEE ALSO
 *  CoLoadLibrary, CoFreeAllLibraries, CoFreeUnusedLibraries
2766 2767 2768
 */
void WINAPI CoFreeLibrary(HINSTANCE hLibrary)
{
2769
    FreeLibrary(hLibrary);
2770 2771 2772 2773
}


/***********************************************************************
2774
 *           CoFreeAllLibraries [OLE32.@]
2775
 *
2776 2777 2778 2779 2780 2781 2782
 * Function for backwards compatibility only. Does nothing.
 *
 * RETURNS
 *  Nothing.
 *
 * SEE ALSO
 *  CoLoadLibrary, CoFreeLibrary, CoFreeUnusedLibraries
2783 2784 2785
 */
void WINAPI CoFreeAllLibraries(void)
{
2786
    /* NOP */
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2787 2788
}

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2789
/***********************************************************************
2790
 *           CoFreeUnusedLibrariesEx [OLE32.@]
2791
 *
2792 2793 2794 2795 2796 2797 2798
 * Frees any previously unused libraries whose delay has expired and marks
 * currently unused libraries for unloading. Unused are identified as those that
 * return S_OK from their DllCanUnloadNow function.
 *
 * PARAMS
 *  dwUnloadDelay [I] Unload delay in milliseconds.
 *  dwReserved    [I] Reserved. Set to 0.
2799 2800 2801
 *
 * RETURNS
 *  Nothing.
2802
 *
2803 2804
 * SEE ALSO
 *  CoLoadLibrary, CoFreeAllLibraries, CoFreeLibrary
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2805
 */
2806
void WINAPI CoFreeUnusedLibrariesEx(DWORD dwUnloadDelay, DWORD dwReserved)
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2807
{
2808 2809 2810 2811 2812 2813 2814
    struct apartment *apt = COM_CurrentApt();
    if (!apt)
    {
        ERR("apartment not initialised\n");
        return;
    }

2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832
    apartment_freeunusedlibraries(apt, dwUnloadDelay);
}

/***********************************************************************
 *           CoFreeUnusedLibraries [OLE32.@]
 *
 * Frees any unused libraries. Unused are identified as those that return
 * S_OK from their DllCanUnloadNow function.
 *
 * RETURNS
 *  Nothing.
 *
 * SEE ALSO
 *  CoLoadLibrary, CoFreeAllLibraries, CoFreeLibrary
 */
void WINAPI CoFreeUnusedLibraries(void)
{
    CoFreeUnusedLibrariesEx(INFINITE, 0);
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2833 2834 2835
}

/***********************************************************************
2836
 *           CoFileTimeNow [OLE32.@]
2837 2838 2839 2840 2841
 *
 * Retrieves the current time in FILETIME format.
 *
 * PARAMS
 *  lpFileTime [O] The current time.
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Patrik Stridvall committed
2842
 *
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2843
 * RETURNS
2844
 *	S_OK.
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2845
 */
2846
HRESULT WINAPI CoFileTimeNow( FILETIME *lpFileTime )
2847 2848 2849
{
    GetSystemTimeAsFileTime( lpFileTime );
    return S_OK;
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2850
}
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2851

2852
/******************************************************************************
2853
 *		CoLockObjectExternal	[OLE32.@]
2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865 2866
 *
 * Increments or decrements the external reference count of a stub object.
 *
 * PARAMS
 *  pUnk                [I] Stub object.
 *  fLock               [I] If TRUE then increments the external ref-count,
 *                          otherwise decrements.
 *  fLastUnlockReleases [I] If TRUE then the last unlock has the effect of
 *                          calling CoDisconnectObject.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: HRESULT code.
2867 2868 2869 2870
 *
 * NOTES
 *  If fLock is TRUE and an object is passed in that doesn't have a stub
 *  manager then a new stub manager is created for the object.
2871
 */
2872
HRESULT WINAPI CoLockObjectExternal(
2873 2874 2875
    LPUNKNOWN pUnk,
    BOOL fLock,
    BOOL fLastUnlockReleases)
2876
{
2877 2878 2879
    struct stub_manager *stubmgr;
    struct apartment *apt;

2880 2881
    TRACE("pUnk=%p, fLock=%s, fLastUnlockReleases=%s\n",
          pUnk, fLock ? "TRUE" : "FALSE", fLastUnlockReleases ? "TRUE" : "FALSE");
2882

2883 2884 2885 2886 2887 2888 2889 2890
    apt = COM_CurrentApt();
    if (!apt) return CO_E_NOTINITIALIZED;

    stubmgr = get_stub_manager_from_object(apt, pUnk);
    
    if (stubmgr)
    {
        if (fLock)
2891
            stub_manager_ext_addref(stubmgr, 1, FALSE);
2892
        else
2893
            stub_manager_ext_release(stubmgr, 1, FALSE, fLastUnlockReleases);
2894 2895
        
        stub_manager_int_release(stubmgr);
2896

2897
        return S_OK;
2898
    }
2899 2900 2901 2902 2903 2904
    else if (fLock)
    {
        stubmgr = new_stub_manager(apt, pUnk);

        if (stubmgr)
        {
2905
            stub_manager_ext_addref(stubmgr, 1, FALSE);
2906 2907 2908 2909 2910
            stub_manager_int_release(stubmgr);
        }

        return S_OK;
    }
2911 2912 2913 2914 2915 2916 2917 2918
    else
    {
        WARN("stub object not found %p\n", pUnk);
        /* Note: native is pretty broken here because it just silently
         * fails, without returning an appropriate error code, making apps
         * think that the object was disconnected, when it actually wasn't */
        return S_OK;
    }
2919 2920
}

2921
/***********************************************************************
2922
 *           CoInitializeWOW (OLE32.@)
2923 2924 2925 2926 2927 2928 2929 2930 2931
 *
 * WOW equivalent of CoInitialize?
 *
 * PARAMS
 *  x [I] Unknown.
 *  y [I] Unknown.
 *
 * RETURNS
 *  Unknown.
2932
 */
2933 2934
HRESULT WINAPI CoInitializeWOW(DWORD x,DWORD y)
{
2935
    FIXME("(0x%08x,0x%08x),stub!\n",x,y);
2936
    return 0;
2937 2938
}

2939
/***********************************************************************
2940
 *           CoGetState [OLE32.@]
2941
 *
2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957
 * Retrieves the thread state object previously stored by CoSetState().
 *
 * PARAMS
 *  ppv [I] Address where pointer to object will be stored.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: E_OUTOFMEMORY.
 *
 * NOTES
 *  Crashes on all invalid ppv addresses, including NULL.
 *  If the function returns a non-NULL object then the caller must release its
 *  reference on the object when the object is no longer required.
 *
 * SEE ALSO
 *  CoSetState().
2958
 */
2959
HRESULT WINAPI CoGetState(IUnknown ** ppv)
2960
{
2961 2962
    struct oletls *info = COM_CurrentInfo();
    if (!info) return E_OUTOFMEMORY;
2963

2964
    *ppv = NULL;
2965

2966
    if (info->state)
2967
    {
2968 2969 2970
        IUnknown_AddRef(info->state);
        *ppv = info->state;
        TRACE("apt->state=%p\n", info->state);
2971
    }
2972

2973
    return S_OK;
2974
}
2975 2976

/***********************************************************************
2977
 *           CoSetState [OLE32.@]
2978
 *
2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989
 * Sets the thread state object.
 *
 * PARAMS
 *  pv [I] Pointer to state object to be stored.
 *
 * NOTES
 *  The system keeps a reference on the object while the object stored.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: E_OUTOFMEMORY.
2990
 */
2991
HRESULT WINAPI CoSetState(IUnknown * pv)
2992
{
2993 2994 2995
    struct oletls *info = COM_CurrentInfo();
    if (!info) return E_OUTOFMEMORY;

2996
    if (pv) IUnknown_AddRef(pv);
2997

2998
    if (info->state)
2999
    {
3000 3001
        TRACE("-- release %p now\n", info->state);
        IUnknown_Release(info->state);
3002
    }
3003

3004
    info->state = pv;
3005

3006
    return S_OK;
3007
}
3008

3009

3010
/******************************************************************************
3011
 *              CoTreatAsClass        [OLE32.@]
3012
 *
3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024
 * Sets the TreatAs value of a class.
 *
 * PARAMS
 *  clsidOld [I] Class to set TreatAs value on.
 *  clsidNew [I] The class the clsidOld should be treated as.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: HRESULT code.
 *
 * SEE ALSO
 *  CoGetTreatAsClass
3025 3026 3027
 */
HRESULT WINAPI CoTreatAsClass(REFCLSID clsidOld, REFCLSID clsidNew)
{
3028 3029 3030 3031
    static const WCHAR wszAutoTreatAs[] = {'A','u','t','o','T','r','e','a','t','A','s',0};
    static const WCHAR wszTreatAs[] = {'T','r','e','a','t','A','s',0};
    HKEY hkey = NULL;
    WCHAR szClsidNew[CHARS_IN_GUID];
3032
    HRESULT res = S_OK;
3033
    WCHAR auto_treat_as[CHARS_IN_GUID];
3034 3035
    LONG auto_treat_as_size = sizeof(auto_treat_as);
    CLSID id;
3036

3037 3038 3039
    res = COM_OpenKeyForCLSID(clsidOld, NULL, KEY_READ | KEY_WRITE, &hkey);
    if (FAILED(res))
        goto done;
3040
    if (!memcmp( clsidOld, clsidNew, sizeof(*clsidOld) ))
3041
    {
3042
       if (!RegQueryValueW(hkey, wszAutoTreatAs, auto_treat_as, &auto_treat_as_size) &&
3043
           CLSIDFromString(auto_treat_as, &id) == S_OK)
3044
       {
3045
           if (RegSetValueW(hkey, wszTreatAs, REG_SZ, auto_treat_as, sizeof(auto_treat_as)))
3046 3047 3048 3049 3050 3051 3052
           {
               res = REGDB_E_WRITEREGDB;
               goto done;
           }
       }
       else
       {
3053
           RegDeleteKeyW(hkey, wszTreatAs);
3054 3055 3056
           goto done;
       }
    }
3057 3058
    else if (!StringFromGUID2(clsidNew, szClsidNew, ARRAYSIZE(szClsidNew)) &&
             !RegSetValueW(hkey, wszTreatAs, REG_SZ, szClsidNew, sizeof(szClsidNew)))
3059
    {
3060
        res = REGDB_E_WRITEREGDB;
3061 3062 3063 3064 3065 3066
	goto done;
    }

done:
    if (hkey) RegCloseKey(hkey);
    return res;
3067
}
3068

3069
/******************************************************************************
3070
 *              CoGetTreatAsClass        [OLE32.@]
3071
 *
3072 3073 3074 3075 3076 3077 3078 3079 3080 3081 3082 3083
 * Gets the TreatAs value of a class.
 *
 * PARAMS
 *  clsidOld [I] Class to get the TreatAs value of.
 *  clsidNew [I] The class the clsidOld should be treated as.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: HRESULT code.
 *
 * SEE ALSO
 *  CoSetTreatAsClass
3084 3085 3086
 */
HRESULT WINAPI CoGetTreatAsClass(REFCLSID clsidOld, LPCLSID clsidNew)
{
3087 3088 3089
    static const WCHAR wszTreatAs[] = {'T','r','e','a','t','A','s',0};
    HKEY hkey = NULL;
    WCHAR szClsidNew[CHARS_IN_GUID];
3090 3091 3092
    HRESULT res = S_OK;
    LONG len = sizeof(szClsidNew);

3093
    TRACE("(%s,%p)\n", debugstr_guid(clsidOld), clsidNew);
3094
    *clsidNew = *clsidOld; /* copy over old value */
3095

3096 3097
    res = COM_OpenKeyForCLSID(clsidOld, wszTreatAs, KEY_READ, &hkey);
    if (FAILED(res))
3098 3099
    {
        res = S_FALSE;
3100
        goto done;
3101
    }
3102
    if (RegQueryValueW(hkey, NULL, szClsidNew, &len))
3103 3104 3105 3106
    {
        res = S_FALSE;
	goto done;
    }
3107
    res = CLSIDFromString(szClsidNew,clsidNew);
3108
    if (FAILED(res))
3109
        ERR("Failed CLSIDFromStringA(%s), hres 0x%08x\n", debugstr_w(szClsidNew), res);
3110 3111 3112 3113
done:
    if (hkey) RegCloseKey(hkey);
    return res;
}
3114

3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142
/******************************************************************************
 *		CoGetCurrentProcess	[OLE32.@]
 *
 * Gets the current process ID.
 *
 * RETURNS
 *  The current process ID.
 *
 * NOTES
 *   Is DWORD really the correct return type for this function?
 */
DWORD WINAPI CoGetCurrentProcess(void)
{
	return GetCurrentProcessId();
}

/******************************************************************************
 *		CoRegisterMessageFilter	[OLE32.@]
 *
 * Registers a message filter.
 *
 * PARAMS
 *  lpMessageFilter [I] Pointer to interface.
 *  lplpMessageFilter [O] Indirect pointer to prior instance if non-NULL.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: HRESULT code.
3143 3144 3145 3146 3147 3148 3149 3150 3151 3152
 *
 * NOTES
 *  Both lpMessageFilter and lplpMessageFilter are optional. Passing in a NULL
 *  lpMessageFilter removes the message filter.
 *
 *  If lplpMessageFilter is not NULL the previous message filter will be
 *  returned in the memory pointer to this parameter and the caller is
 *  responsible for releasing the object.
 *
 *  The current thread be in an apartment otherwise the function will crash.
3153 3154 3155 3156 3157
 */
HRESULT WINAPI CoRegisterMessageFilter(
    LPMESSAGEFILTER lpMessageFilter,
    LPMESSAGEFILTER *lplpMessageFilter)
{
3158 3159 3160 3161 3162 3163 3164 3165
    struct apartment *apt;
    IMessageFilter *lpOldMessageFilter;

    TRACE("(%p, %p)\n", lpMessageFilter, lplpMessageFilter);

    apt = COM_CurrentApt();

    /* can't set a message filter in a multi-threaded apartment */
3166
    if (!apt || apt->multi_threaded)
3167
    {
3168
        WARN("can't set message filter in MTA or uninitialized apt\n");
3169
        return CO_E_NOT_SUPPORTED;
3170
    }
3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186

    if (lpMessageFilter)
        IMessageFilter_AddRef(lpMessageFilter);

    EnterCriticalSection(&apt->cs);

    lpOldMessageFilter = apt->filter;
    apt->filter = lpMessageFilter;

    LeaveCriticalSection(&apt->cs);

    if (lplpMessageFilter)
        *lplpMessageFilter = lpOldMessageFilter;
    else if (lpOldMessageFilter)
        IMessageFilter_Release(lpOldMessageFilter);

3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 3206
    return S_OK;
}

/***********************************************************************
 *           CoIsOle1Class [OLE32.@]
 *
 * Determines whether the specified class an OLE v1 class.
 *
 * PARAMS
 *  clsid [I] Class to test.
 *
 * RETURNS
 *  TRUE if the class is an OLE v1 class, or FALSE otherwise.
 */
BOOL WINAPI CoIsOle1Class(REFCLSID clsid)
{
  FIXME("%s\n", debugstr_guid(clsid));
  return FALSE;
}

3207
/***********************************************************************
3208
 *           IsEqualGUID [OLE32.@]
3209 3210 3211
 *
 * Compares two Unique Identifiers.
 *
3212 3213 3214 3215
 * PARAMS
 *  rguid1 [I] The first GUID to compare.
 *  rguid2 [I] The other GUID to compare.
 *
3216 3217 3218 3219 3220
 * RETURNS
 *	TRUE if equal
 */
#undef IsEqualGUID
BOOL WINAPI IsEqualGUID(
3221 3222
     REFGUID rguid1,
     REFGUID rguid2)
3223 3224 3225
{
    return !memcmp(rguid1,rguid2,sizeof(GUID));
}
3226 3227

/***********************************************************************
3228
 *           CoInitializeSecurity [OLE32.@]
3229 3230 3231 3232 3233 3234 3235
 */
HRESULT WINAPI CoInitializeSecurity(PSECURITY_DESCRIPTOR pSecDesc, LONG cAuthSvc,
                                    SOLE_AUTHENTICATION_SERVICE* asAuthSvc,
                                    void* pReserved1, DWORD dwAuthnLevel,
                                    DWORD dwImpLevel, void* pReserved2,
                                    DWORD dwCapabilities, void* pReserved3)
{
3236
  FIXME("(%p,%d,%p,%p,%d,%d,%p,%d,%p) - stub!\n", pSecDesc, cAuthSvc,
3237 3238 3239 3240
        asAuthSvc, pReserved1, dwAuthnLevel, dwImpLevel, pReserved2,
        dwCapabilities, pReserved3);
  return S_OK;
}
3241 3242 3243

/***********************************************************************
 *           CoSuspendClassObjects [OLE32.@]
3244 3245 3246 3247 3248 3249 3250
 *
 * Suspends all registered class objects to prevent further requests coming in
 * for those objects.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: HRESULT code.
3251 3252 3253 3254 3255 3256
 */
HRESULT WINAPI CoSuspendClassObjects(void)
{
    FIXME("\n");
    return S_OK;
}
3257 3258 3259

/***********************************************************************
 *           CoAddRefServerProcess [OLE32.@]
3260 3261 3262 3263 3264 3265
 *
 * Helper function for incrementing the reference count of a local-server
 * process.
 *
 * RETURNS
 *  New reference count.
3266 3267 3268
 *
 * SEE ALSO
 *  CoReleaseServerProcess().
3269 3270 3271
 */
ULONG WINAPI CoAddRefServerProcess(void)
{
3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282
    ULONG refs;

    TRACE("\n");

    EnterCriticalSection(&csRegisteredClassList);
    refs = ++s_COMServerProcessReferences;
    LeaveCriticalSection(&csRegisteredClassList);

    TRACE("refs before: %d\n", refs - 1);

    return refs;
3283 3284 3285 3286
}

/***********************************************************************
 *           CoReleaseServerProcess [OLE32.@]
3287 3288 3289 3290 3291 3292
 *
 * Helper function for decrementing the reference count of a local-server
 * process.
 *
 * RETURNS
 *  New reference count.
3293 3294 3295 3296 3297 3298 3299
 *
 * NOTES
 *  When reference count reaches 0, this function suspends all registered
 *  classes so no new connections are accepted.
 *
 * SEE ALSO
 *  CoAddRefServerProcess(), CoSuspendClassObjects().
3300 3301 3302
 */
ULONG WINAPI CoReleaseServerProcess(void)
{
3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315 3316
    ULONG refs;

    TRACE("\n");

    EnterCriticalSection(&csRegisteredClassList);

    refs = --s_COMServerProcessReferences;
    /* FIXME: if (!refs) COM_SuspendClassObjects(); */

    LeaveCriticalSection(&csRegisteredClassList);

    TRACE("refs after: %d\n", refs);

    return refs;
3317
}
3318

3319 3320 3321 3322 3323 3324 3325 3326 3327 3328 3329 3330 3331 3332 3333 3334 3335 3336
/***********************************************************************
 *           CoIsHandlerConnected [OLE32.@]
 *
 * Determines whether a proxy is connected to a remote stub.
 *
 * PARAMS
 *  pUnk [I] Pointer to object that may or may not be connected.
 *
 * RETURNS
 *  TRUE if pUnk is not a proxy or if pUnk is connected to a remote stub, or
 *  FALSE otherwise.
 */
BOOL WINAPI CoIsHandlerConnected(IUnknown *pUnk)
{
    FIXME("%p\n", pUnk);

    return TRUE;
}
3337 3338 3339 3340 3341 3342 3343 3344 3345 3346

/***********************************************************************
 *           CoAllowSetForegroundWindow [OLE32.@]
 *
 */
HRESULT WINAPI CoAllowSetForegroundWindow(IUnknown *pUnk, void *pvReserved)
{
    FIXME("(%p, %p): stub\n", pUnk, pvReserved);
    return S_OK;
}
3347
 
3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380
/***********************************************************************
 *           CoQueryProxyBlanket [OLE32.@]
 *
 * Retrieves the security settings being used by a proxy.
 *
 * PARAMS
 *  pProxy        [I] Pointer to the proxy object.
 *  pAuthnSvc     [O] The type of authentication service.
 *  pAuthzSvc     [O] The type of authorization service.
 *  ppServerPrincName [O] Optional. The server prinicple name.
 *  pAuthnLevel   [O] The authentication level.
 *  pImpLevel     [O] The impersonation level.
 *  ppAuthInfo    [O] Information specific to the authorization/authentication service.
 *  pCapabilities [O] Flags affecting the security behaviour.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: HRESULT code.
 *
 * SEE ALSO
 *  CoCopyProxy, CoSetProxyBlanket.
 */
HRESULT WINAPI CoQueryProxyBlanket(IUnknown *pProxy, DWORD *pAuthnSvc,
    DWORD *pAuthzSvc, OLECHAR **ppServerPrincName, DWORD *pAuthnLevel,
    DWORD *pImpLevel, void **ppAuthInfo, DWORD *pCapabilities)
{
    IClientSecurity *pCliSec;
    HRESULT hr;

    TRACE("%p\n", pProxy);

    hr = IUnknown_QueryInterface(pProxy, &IID_IClientSecurity, (void **)&pCliSec);
    if (SUCCEEDED(hr))
3381
    {
3382 3383 3384 3385
        hr = IClientSecurity_QueryBlanket(pCliSec, pProxy, pAuthnSvc,
                                          pAuthzSvc, ppServerPrincName,
                                          pAuthnLevel, pImpLevel, ppAuthInfo,
                                          pCapabilities);
3386 3387
        IClientSecurity_Release(pCliSec);
    }
3388

3389
    if (FAILED(hr)) ERR("-- failed with 0x%08x\n", hr);
3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 3421 3422 3423 3424 3425
    return hr;
}

/***********************************************************************
 *           CoSetProxyBlanket [OLE32.@]
 *
 * Sets the security settings for a proxy.
 *
 * PARAMS
 *  pProxy       [I] Pointer to the proxy object.
 *  AuthnSvc     [I] The type of authentication service.
 *  AuthzSvc     [I] The type of authorization service.
 *  pServerPrincName [I] The server prinicple name.
 *  AuthnLevel   [I] The authentication level.
 *  ImpLevel     [I] The impersonation level.
 *  pAuthInfo    [I] Information specific to the authorization/authentication service.
 *  Capabilities [I] Flags affecting the security behaviour.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: HRESULT code.
 *
 * SEE ALSO
 *  CoQueryProxyBlanket, CoCopyProxy.
 */
HRESULT WINAPI CoSetProxyBlanket(IUnknown *pProxy, DWORD AuthnSvc,
    DWORD AuthzSvc, OLECHAR *pServerPrincName, DWORD AuthnLevel,
    DWORD ImpLevel, void *pAuthInfo, DWORD Capabilities)
{
    IClientSecurity *pCliSec;
    HRESULT hr;

    TRACE("%p\n", pProxy);

    hr = IUnknown_QueryInterface(pProxy, &IID_IClientSecurity, (void **)&pCliSec);
    if (SUCCEEDED(hr))
3426
    {
3427 3428 3429 3430
        hr = IClientSecurity_SetBlanket(pCliSec, pProxy, AuthnSvc,
                                        AuthzSvc, pServerPrincName,
                                        AuthnLevel, ImpLevel, pAuthInfo,
                                        Capabilities);
3431 3432
        IClientSecurity_Release(pCliSec);
    }
3433

3434
    if (FAILED(hr)) ERR("-- failed with 0x%08x\n", hr);
3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462
    return hr;
}

/***********************************************************************
 *           CoCopyProxy [OLE32.@]
 *
 * Copies a proxy.
 *
 * PARAMS
 *  pProxy [I] Pointer to the proxy object.
 *  ppCopy [O] Copy of the proxy.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: HRESULT code.
 *
 * SEE ALSO
 *  CoQueryProxyBlanket, CoSetProxyBlanket.
 */
HRESULT WINAPI CoCopyProxy(IUnknown *pProxy, IUnknown **ppCopy)
{
    IClientSecurity *pCliSec;
    HRESULT hr;

    TRACE("%p\n", pProxy);

    hr = IUnknown_QueryInterface(pProxy, &IID_IClientSecurity, (void **)&pCliSec);
    if (SUCCEEDED(hr))
3463
    {
3464
        hr = IClientSecurity_CopyProxy(pCliSec, pProxy, ppCopy);
3465 3466
        IClientSecurity_Release(pCliSec);
    }
3467

3468
    if (FAILED(hr)) ERR("-- failed with 0x%08x\n", hr);
3469 3470
    return hr;
}
3471 3472


3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488
/***********************************************************************
 *           CoGetCallContext [OLE32.@]
 *
 * Gets the context of the currently executing server call in the current
 * thread.
 *
 * PARAMS
 *  riid [I] Context interface to return.
 *  ppv  [O] Pointer to memory that will receive the context on return.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: HRESULT code.
 */
HRESULT WINAPI CoGetCallContext(REFIID riid, void **ppv)
{
3489
    struct oletls *info = COM_CurrentInfo();
3490

3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528
    TRACE("(%s, %p)\n", debugstr_guid(riid), ppv);

    if (!info)
        return E_OUTOFMEMORY;

    if (!info->call_state)
        return RPC_E_CALL_COMPLETE;

    return IUnknown_QueryInterface(info->call_state, riid, ppv);
}

/***********************************************************************
 *           CoSwitchCallContext [OLE32.@]
 *
 * Switches the context of the currently executing server call in the current
 * thread.
 *
 * PARAMS
 *  pObject     [I] Pointer to new context object
 *  ppOldObject [O] Pointer to memory that will receive old context object pointer
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: HRESULT code.
 */
HRESULT WINAPI CoSwitchCallContext(IUnknown *pObject, IUnknown **ppOldObject)
{
    struct oletls *info = COM_CurrentInfo();

    TRACE("(%p, %p)\n", pObject, ppOldObject);

    if (!info)
        return E_OUTOFMEMORY;

    *ppOldObject = info->call_state;
    info->call_state = pObject; /* CoSwitchCallContext does not addref nor release objects */

    return S_OK;
3529 3530 3531 3532 3533 3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562 3563 3564 3565 3566 3567 3568 3569 3570 3571 3572 3573 3574 3575 3576 3577 3578 3579 3580 3581 3582 3583 3584 3585 3586 3587 3588 3589 3590 3591 3592 3593 3594 3595 3596 3597 3598 3599 3600 3601 3602 3603 3604 3605 3606 3607 3608 3609 3610 3611 3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638 3639 3640 3641 3642 3643 3644 3645 3646 3647 3648 3649 3650 3651
}

/***********************************************************************
 *           CoQueryClientBlanket [OLE32.@]
 *
 * Retrieves the authentication information about the client of the currently
 * executing server call in the current thread.
 *
 * PARAMS
 *  pAuthnSvc     [O] Optional. The type of authentication service.
 *  pAuthzSvc     [O] Optional. The type of authorization service.
 *  pServerPrincName [O] Optional. The server prinicple name.
 *  pAuthnLevel   [O] Optional. The authentication level.
 *  pImpLevel     [O] Optional. The impersonation level.
 *  pPrivs        [O] Optional. Information about the privileges of the client.
 *  pCapabilities [IO] Optional. Flags affecting the security behaviour.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: HRESULT code.
 *
 * SEE ALSO
 *  CoImpersonateClient, CoRevertToSelf, CoGetCallContext.
 */
HRESULT WINAPI CoQueryClientBlanket(
    DWORD *pAuthnSvc,
    DWORD *pAuthzSvc,
    OLECHAR **pServerPrincName,
    DWORD *pAuthnLevel,
    DWORD *pImpLevel,
    RPC_AUTHZ_HANDLE *pPrivs,
    DWORD *pCapabilities)
{
    IServerSecurity *pSrvSec;
    HRESULT hr;

    TRACE("(%p, %p, %p, %p, %p, %p, %p)\n",
        pAuthnSvc, pAuthzSvc, pServerPrincName, pAuthnLevel, pImpLevel,
        pPrivs, pCapabilities);

    hr = CoGetCallContext(&IID_IServerSecurity, (void **)&pSrvSec);
    if (SUCCEEDED(hr))
    {
        hr = IServerSecurity_QueryBlanket(
            pSrvSec, pAuthnSvc, pAuthzSvc, pServerPrincName, pAuthnLevel,
            pImpLevel, pPrivs, pCapabilities);
        IServerSecurity_Release(pSrvSec);
    }

    return hr;
}

/***********************************************************************
 *           CoImpersonateClient [OLE32.@]
 *
 * Impersonates the client of the currently executing server call in the
 * current thread.
 *
 * PARAMS
 *  None.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: HRESULT code.
 *
 * NOTES
 *  If this function fails then the current thread will not be impersonating
 *  the client and all actions will take place on behalf of the server.
 *  Therefore, it is important to check the return value from this function.
 *
 * SEE ALSO
 *  CoRevertToSelf, CoQueryClientBlanket, CoGetCallContext.
 */
HRESULT WINAPI CoImpersonateClient(void)
{
    IServerSecurity *pSrvSec;
    HRESULT hr;

    TRACE("\n");

    hr = CoGetCallContext(&IID_IServerSecurity, (void **)&pSrvSec);
    if (SUCCEEDED(hr))
    {
        hr = IServerSecurity_ImpersonateClient(pSrvSec);
        IServerSecurity_Release(pSrvSec);
    }

    return hr;
}

/***********************************************************************
 *           CoRevertToSelf [OLE32.@]
 *
 * Ends the impersonation of the client of the currently executing server
 * call in the current thread.
 *
 * PARAMS
 *  None.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: HRESULT code.
 *
 * SEE ALSO
 *  CoImpersonateClient, CoQueryClientBlanket, CoGetCallContext.
 */
HRESULT WINAPI CoRevertToSelf(void)
{
    IServerSecurity *pSrvSec;
    HRESULT hr;

    TRACE("\n");

    hr = CoGetCallContext(&IID_IServerSecurity, (void **)&pSrvSec);
    if (SUCCEEDED(hr))
    {
        hr = IServerSecurity_RevertToSelf(pSrvSec);
        IServerSecurity_Release(pSrvSec);
    }

    return hr;
}

3652 3653
static BOOL COM_PeekMessage(struct apartment *apt, MSG *msg)
{
3654
    /* first try to retrieve messages for incoming COM calls to the apartment window */
3655
    return PeekMessageW(msg, apt->win, 0, 0, PM_REMOVE|PM_NOYIELD) ||
3656
           /* next retrieve other messages necessary for the app to remain responsive */
3657 3658
           PeekMessageW(msg, NULL, WM_DDE_FIRST, WM_DDE_LAST, PM_REMOVE|PM_NOYIELD) ||
           PeekMessageW(msg, NULL, 0, 0, PM_QS_PAINT|PM_QS_SENDMESSAGE|PM_REMOVE|PM_NOYIELD);
3659 3660
}

3661 3662 3663 3664 3665 3666 3667 3668 3669 3670 3671 3672 3673 3674 3675 3676 3677 3678 3679 3680 3681 3682 3683 3684 3685 3686
/***********************************************************************
 *           CoWaitForMultipleHandles [OLE32.@]
 *
 * Waits for one or more handles to become signaled.
 *
 * PARAMS
 *  dwFlags   [I] Flags. See notes.
 *  dwTimeout [I] Timeout in milliseconds.
 *  cHandles  [I] Number of handles pointed to by pHandles.
 *  pHandles  [I] Handles to wait for.
 *  lpdwindex [O] Index of handle that was signaled.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: RPC_S_CALLPENDING on timeout.
 *
 * NOTES
 *
 * The dwFlags parameter can be zero or more of the following:
 *| COWAIT_WAITALL - Wait for all of the handles to become signaled.
 *| COWAIT_ALERTABLE - Allows a queued APC to run during the wait.
 *
 * SEE ALSO
 *  MsgWaitForMultipleObjects, WaitForMultipleObjects.
 */
HRESULT WINAPI CoWaitForMultipleHandles(DWORD dwFlags, DWORD dwTimeout,
3687
    ULONG cHandles, LPHANDLE pHandles, LPDWORD lpdwindex)
3688 3689 3690
{
    HRESULT hr = S_OK;
    DWORD start_time = GetTickCount();
3691 3692
    APARTMENT *apt = COM_CurrentApt();
    BOOL message_loop = apt && !apt->multi_threaded;
3693

3694
    TRACE("(0x%08x, 0x%08x, %d, %p, %p)\n", dwFlags, dwTimeout, cHandles,
3695 3696 3697 3698 3699 3700
        pHandles, lpdwindex);

    while (TRUE)
    {
        DWORD now = GetTickCount();
        DWORD res;
3701

3702
        if (now - start_time > dwTimeout)
3703 3704 3705 3706 3707
        {
            hr = RPC_S_CALLPENDING;
            break;
        }

3708 3709
        if (message_loop)
        {
3710 3711
            DWORD wait_flags = ((dwFlags & COWAIT_WAITALL) ? MWMO_WAITALL : 0) |
                    ((dwFlags & COWAIT_ALERTABLE ) ? MWMO_ALERTABLE : 0);
3712 3713

            TRACE("waiting for rpc completion or window message\n");
3714

3715 3716
            res = MsgWaitForMultipleObjectsEx(cHandles, pHandles,
                (dwTimeout == INFINITE) ? INFINITE : start_time + dwTimeout - now,
3717
                QS_SENDMESSAGE | QS_ALLPOSTMESSAGE | QS_PAINT, wait_flags);
3718

3719
            if (res == WAIT_OBJECT_0 + cHandles)  /* messages available */
3720
            {
3721
                MSG msg;
3722

3723 3724 3725 3726
                /* call message filter */

                if (COM_CurrentApt()->filter)
                {
3727 3728 3729
                    PENDINGTYPE pendingtype =
                        COM_CurrentInfo()->pending_call_count_server ?
                            PENDINGTYPE_NESTED : PENDINGTYPE_TOPLEVEL;
3730 3731
                    DWORD be_handled = IMessageFilter_MessagePending(
                        COM_CurrentApt()->filter, 0 /* FIXME */,
3732
                        now - start_time, pendingtype);
3733 3734 3735 3736 3737 3738 3739 3740 3741 3742 3743 3744 3745 3746 3747 3748 3749 3750
                    TRACE("IMessageFilter_MessagePending returned %d\n", be_handled);
                    switch (be_handled)
                    {
                    case PENDINGMSG_CANCELCALL:
                        WARN("call canceled\n");
                        hr = RPC_E_CALL_CANCELED;
                        break;
                    case PENDINGMSG_WAITNOPROCESS:
                    case PENDINGMSG_WAITDEFPROCESS:
                    default:
                        /* FIXME: MSDN is very vague about the difference
                         * between WAITNOPROCESS and WAITDEFPROCESS - there
                         * appears to be none, so it is possibly a left-over
                         * from the 16-bit world. */
                        break;
                    }
                }

3751
                while (COM_PeekMessage(apt, &msg))
3752
                {
3753 3754 3755 3756 3757 3758 3759 3760 3761
                    TRACE("received message whilst waiting for RPC: 0x%04x\n", msg.message);
                    TranslateMessage(&msg);
                    DispatchMessageW(&msg);
                    if (msg.message == WM_QUIT)
                    {
                        TRACE("resending WM_QUIT to outer message loop\n");
                        PostQuitMessage(msg.wParam);
                        /* no longer need to process messages */
                        message_loop = FALSE;
3762
                        break;
3763
                    }
3764
                }
3765
                continue;
3766 3767
            }
        }
3768 3769 3770 3771 3772 3773 3774 3775 3776 3777
        else
        {
            TRACE("waiting for rpc completion\n");

            res = WaitForMultipleObjectsEx(cHandles, pHandles,
                (dwFlags & COWAIT_WAITALL) ? TRUE : FALSE,
                (dwTimeout == INFINITE) ? INFINITE : start_time + dwTimeout - now,
                (dwFlags & COWAIT_ALERTABLE) ? TRUE : FALSE);
        }

3778
        switch (res)
3779
        {
3780
        case WAIT_TIMEOUT:
3781 3782
            hr = RPC_S_CALLPENDING;
            break;
3783 3784
        case WAIT_FAILED:
            hr = HRESULT_FROM_WIN32( GetLastError() );
3785
            break;
3786 3787
        default:
            *lpdwindex = res;
3788 3789
            break;
        }
3790
        break;
3791
    }
3792
    TRACE("-- 0x%08x\n", hr);
3793 3794
    return hr;
}
3795

3796 3797 3798 3799

/***********************************************************************
 *           CoGetObject [OLE32.@]
 *
3800
 * Gets the object named by converting the name to a moniker and binding to it.
3801 3802 3803 3804 3805 3806 3807 3808 3809 3810 3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828 3829 3830 3831 3832 3833 3834 3835 3836 3837 3838 3839 3840 3841 3842 3843 3844 3845 3846 3847
 *
 * PARAMS
 *  pszName      [I] String representing the object.
 *  pBindOptions [I] Parameters affecting the binding to the named object.
 *  riid         [I] Interface to bind to on the objecct.
 *  ppv          [O] On output, the interface riid of the object represented
 *                   by pszName.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: HRESULT code.
 *
 * SEE ALSO
 *  MkParseDisplayName.
 */
HRESULT WINAPI CoGetObject(LPCWSTR pszName, BIND_OPTS *pBindOptions,
    REFIID riid, void **ppv)
{
    IBindCtx *pbc;
    HRESULT hr;

    *ppv = NULL;

    hr = CreateBindCtx(0, &pbc);
    if (SUCCEEDED(hr))
    {
        if (pBindOptions)
            hr = IBindCtx_SetBindOptions(pbc, pBindOptions);

        if (SUCCEEDED(hr))
        {
            ULONG chEaten;
            IMoniker *pmk;

            hr = MkParseDisplayName(pbc, pszName, &chEaten, &pmk);
            if (SUCCEEDED(hr))
            {
                hr = IMoniker_BindToObject(pmk, pbc, NULL, riid, ppv);
                IMoniker_Release(pmk);
            }
        }

        IBindCtx_Release(pbc);
    }
    return hr;
}

3848 3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862 3863 3864 3865 3866 3867
/***********************************************************************
 *           CoRegisterChannelHook [OLE32.@]
 *
 * Registers a process-wide hook that is called during ORPC calls.
 *
 * PARAMS
 *  guidExtension [I] GUID of the channel hook to register.
 *  pChannelHook  [I] Channel hook object to register.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: HRESULT code.
 */
HRESULT WINAPI CoRegisterChannelHook(REFGUID guidExtension, IChannelHook *pChannelHook)
{
    TRACE("(%s, %p)\n", debugstr_guid(guidExtension), pChannelHook);

    return RPC_RegisterChannelHook(guidExtension, pChannelHook);
}

3868 3869
typedef struct Context
{
3870 3871 3872
    IComThreadingInfo IComThreadingInfo_iface;
    IContextCallback IContextCallback_iface;
    IObjContext IObjContext_iface;
3873 3874 3875 3876
    LONG refs;
    APTTYPE apttype;
} Context;

3877 3878
static inline Context *impl_from_IComThreadingInfo( IComThreadingInfo *iface )
{
3879
        return CONTAINING_RECORD(iface, Context, IComThreadingInfo_iface);
3880 3881 3882 3883
}

static inline Context *impl_from_IContextCallback( IContextCallback *iface )
{
3884
        return CONTAINING_RECORD(iface, Context, IContextCallback_iface);
3885 3886
}

3887 3888
static inline Context *impl_from_IObjContext( IObjContext *iface )
{
3889
        return CONTAINING_RECORD(iface, Context, IObjContext_iface);
3890 3891
}

3892
static HRESULT Context_QueryInterface(Context *iface, REFIID riid, LPVOID *ppv)
3893 3894 3895 3896 3897 3898
{
    *ppv = NULL;

    if (IsEqualIID(riid, &IID_IComThreadingInfo) ||
        IsEqualIID(riid, &IID_IUnknown))
    {
3899
        *ppv = &iface->IComThreadingInfo_iface;
3900 3901
    }
    else if (IsEqualIID(riid, &IID_IContextCallback))
3902
    {
3903
        *ppv = &iface->IContextCallback_iface;
3904
    }
3905 3906
    else if (IsEqualIID(riid, &IID_IObjContext))
    {
3907
        *ppv = &iface->IObjContext_iface;
3908
    }
3909 3910 3911 3912

    if (*ppv)
    {
        IUnknown_AddRef((IUnknown*)*ppv);
3913 3914 3915 3916 3917 3918 3919
        return S_OK;
    }

    FIXME("interface not implemented %s\n", debugstr_guid(riid));
    return E_NOINTERFACE;
}

3920
static ULONG Context_AddRef(Context *This)
3921 3922 3923 3924
{
    return InterlockedIncrement(&This->refs);
}

3925
static ULONG Context_Release(Context *This)
3926 3927 3928 3929 3930 3931 3932
{
    ULONG refs = InterlockedDecrement(&This->refs);
    if (!refs)
        HeapFree(GetProcessHeap(), 0, This);
    return refs;
}

3933 3934 3935 3936 3937 3938 3939 3940 3941 3942 3943 3944 3945 3946 3947 3948 3949 3950 3951
static HRESULT WINAPI Context_CTI_QueryInterface(IComThreadingInfo *iface, REFIID riid, LPVOID *ppv)
{
    Context *This = impl_from_IComThreadingInfo(iface);
    return Context_QueryInterface(This, riid, ppv);
}

static ULONG WINAPI Context_CTI_AddRef(IComThreadingInfo *iface)
{
    Context *This = impl_from_IComThreadingInfo(iface);
    return Context_AddRef(This);
}

static ULONG WINAPI Context_CTI_Release(IComThreadingInfo *iface)
{
    Context *This = impl_from_IComThreadingInfo(iface);
    return Context_Release(This);
}

static HRESULT WINAPI Context_CTI_GetCurrentApartmentType(IComThreadingInfo *iface, APTTYPE *apttype)
3952
{
3953
    Context *This = impl_from_IComThreadingInfo(iface);
3954 3955 3956 3957 3958 3959 3960

    TRACE("(%p)\n", apttype);

    *apttype = This->apttype;
    return S_OK;
}

3961
static HRESULT WINAPI Context_CTI_GetCurrentThreadType(IComThreadingInfo *iface, THDTYPE *thdtype)
3962
{
3963
    Context *This = impl_from_IComThreadingInfo(iface);
3964 3965 3966 3967 3968 3969 3970 3971 3972 3973 3974 3975 3976 3977 3978 3979

    TRACE("(%p)\n", thdtype);

    switch (This->apttype)
    {
    case APTTYPE_STA:
    case APTTYPE_MAINSTA:
        *thdtype = THDTYPE_PROCESSMESSAGES;
        break;
    default:
        *thdtype = THDTYPE_BLOCKMESSAGES;
        break;
    }
    return S_OK;
}

3980
static HRESULT WINAPI Context_CTI_GetCurrentLogicalThreadId(IComThreadingInfo *iface, GUID *logical_thread_id)
3981 3982 3983 3984 3985
{
    FIXME("(%p): stub\n", logical_thread_id);
    return E_NOTIMPL;
}

3986
static HRESULT WINAPI Context_CTI_SetCurrentLogicalThreadId(IComThreadingInfo *iface, REFGUID logical_thread_id)
3987 3988 3989 3990 3991 3992 3993
{
    FIXME("(%s): stub\n", debugstr_guid(logical_thread_id));
    return E_NOTIMPL;
}

static const IComThreadingInfoVtbl Context_Threading_Vtbl =
{
3994 3995 3996 3997 3998 3999 4000
    Context_CTI_QueryInterface,
    Context_CTI_AddRef,
    Context_CTI_Release,
    Context_CTI_GetCurrentApartmentType,
    Context_CTI_GetCurrentThreadType,
    Context_CTI_GetCurrentLogicalThreadId,
    Context_CTI_SetCurrentLogicalThreadId
4001 4002
};

4003 4004 4005 4006 4007 4008 4009 4010 4011 4012 4013 4014 4015 4016 4017 4018 4019 4020 4021 4022 4023 4024 4025 4026 4027 4028 4029 4030 4031 4032 4033 4034 4035 4036 4037
static HRESULT WINAPI Context_CC_QueryInterface(IContextCallback *iface, REFIID riid, LPVOID *ppv)
{
    Context *This = impl_from_IContextCallback(iface);
    return Context_QueryInterface(This, riid, ppv);
}

static ULONG WINAPI Context_CC_AddRef(IContextCallback *iface)
{
    Context *This = impl_from_IContextCallback(iface);
    return Context_AddRef(This);
}

static ULONG WINAPI Context_CC_Release(IContextCallback *iface)
{
    Context *This = impl_from_IContextCallback(iface);
    return Context_Release(This);
}

static HRESULT WINAPI Context_CC_ContextCallback(IContextCallback *iface, PFNCONTEXTCALL pCallback,
                            ComCallData *param, REFIID riid, int method, IUnknown *punk)
{
    Context *This = impl_from_IContextCallback(iface);

    FIXME("(%p/%p)->(%p, %p, %s, %d, %p)\n", This, iface, pCallback, param, debugstr_guid(riid), method, punk);
    return E_NOTIMPL;
}

static const IContextCallbackVtbl Context_Callback_Vtbl =
{
    Context_CC_QueryInterface,
    Context_CC_AddRef,
    Context_CC_Release,
    Context_CC_ContextCallback
};

4038 4039 4040 4041 4042 4043 4044 4045 4046 4047 4048 4049 4050 4051 4052 4053 4054 4055 4056 4057 4058 4059 4060 4061 4062 4063 4064 4065 4066 4067 4068 4069 4070 4071 4072 4073 4074 4075 4076 4077 4078 4079 4080 4081 4082 4083 4084 4085 4086 4087 4088 4089 4090 4091 4092 4093 4094 4095 4096 4097 4098 4099 4100 4101 4102 4103 4104 4105 4106 4107 4108 4109 4110 4111 4112 4113 4114 4115 4116 4117 4118 4119 4120 4121 4122 4123 4124 4125 4126 4127 4128 4129 4130 4131 4132 4133 4134 4135 4136 4137 4138 4139 4140 4141 4142 4143 4144 4145 4146
static HRESULT WINAPI Context_OC_QueryInterface(IObjContext *iface, REFIID riid, LPVOID *ppv)
{
    Context *This = impl_from_IObjContext(iface);
    return Context_QueryInterface(This, riid, ppv);
}

static ULONG WINAPI Context_OC_AddRef(IObjContext *iface)
{
    Context *This = impl_from_IObjContext(iface);
    return Context_AddRef(This);
}

static ULONG WINAPI Context_OC_Release(IObjContext *iface)
{
    Context *This = impl_from_IObjContext(iface);
    return Context_Release(This);
}

static HRESULT WINAPI Context_OC_SetProperty(IObjContext *iface, REFGUID propid, CPFLAGS flags, IUnknown *punk)
{
    Context *This = impl_from_IObjContext(iface);

    FIXME("(%p/%p)->(%s, %x, %p)\n", This, iface, debugstr_guid(propid), flags, punk);
    return E_NOTIMPL;
}

static HRESULT WINAPI Context_OC_RemoveProperty(IObjContext *iface, REFGUID propid)
{
    Context *This = impl_from_IObjContext(iface);

    FIXME("(%p/%p)->(%s)\n", This, iface, debugstr_guid(propid));
    return E_NOTIMPL;
}

static HRESULT WINAPI Context_OC_GetProperty(IObjContext *iface, REFGUID propid, CPFLAGS *flags, IUnknown **punk)
{
    Context *This = impl_from_IObjContext(iface);

    FIXME("(%p/%p)->(%s, %p, %p)\n", This, iface, debugstr_guid(propid), flags, punk);
    return E_NOTIMPL;
}

static HRESULT WINAPI Context_OC_EnumContextProps(IObjContext *iface, IEnumContextProps **props)
{
    Context *This = impl_from_IObjContext(iface);

    FIXME("(%p/%p)->(%p)\n", This, iface, props);
    return E_NOTIMPL;
}

static void WINAPI Context_OC_Reserved1(IObjContext *iface)
{
    Context *This = impl_from_IObjContext(iface);
    FIXME("(%p/%p)\n", This, iface);
}

static void WINAPI Context_OC_Reserved2(IObjContext *iface)
{
    Context *This = impl_from_IObjContext(iface);
    FIXME("(%p/%p)\n", This, iface);
}

static void WINAPI Context_OC_Reserved3(IObjContext *iface)
{
    Context *This = impl_from_IObjContext(iface);
    FIXME("(%p/%p)\n", This, iface);
}

static void WINAPI Context_OC_Reserved4(IObjContext *iface)
{
    Context *This = impl_from_IObjContext(iface);
    FIXME("(%p/%p)\n", This, iface);
}

static void WINAPI Context_OC_Reserved5(IObjContext *iface)
{
    Context *This = impl_from_IObjContext(iface);
    FIXME("(%p/%p)\n", This, iface);
}

static void WINAPI Context_OC_Reserved6(IObjContext *iface)
{
    Context *This = impl_from_IObjContext(iface);
    FIXME("(%p/%p)\n", This, iface);
}

static void WINAPI Context_OC_Reserved7(IObjContext *iface)
{
    Context *This = impl_from_IObjContext(iface);
    FIXME("(%p/%p)\n", This, iface);
}

static const IObjContextVtbl Context_Object_Vtbl =
{
    Context_OC_QueryInterface,
    Context_OC_AddRef,
    Context_OC_Release,
    Context_OC_SetProperty,
    Context_OC_RemoveProperty,
    Context_OC_GetProperty,
    Context_OC_EnumContextProps,
    Context_OC_Reserved1,
    Context_OC_Reserved2,
    Context_OC_Reserved3,
    Context_OC_Reserved4,
    Context_OC_Reserved5,
    Context_OC_Reserved6,
    Context_OC_Reserved7
};
4147

4148 4149 4150 4151 4152 4153 4154 4155 4156 4157 4158 4159 4160 4161 4162 4163 4164 4165 4166 4167 4168 4169 4170 4171
/***********************************************************************
 *           CoGetObjectContext [OLE32.@]
 *
 * Retrieves an object associated with the current context (i.e. apartment).
 *
 * PARAMS
 *  riid [I] ID of the interface of the object to retrieve.
 *  ppv  [O] Address where object will be stored on return.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: HRESULT code.
 */
HRESULT WINAPI CoGetObjectContext(REFIID riid, void **ppv)
{
    APARTMENT *apt = COM_CurrentApt();
    Context *context;
    HRESULT hr;

    TRACE("(%s, %p)\n", debugstr_guid(riid), ppv);

    *ppv = NULL;
    if (!apt)
    {
4172 4173 4174 4175 4176 4177
        if (!(apt = apartment_find_multi_threaded()))
        {
            ERR("apartment not initialised\n");
            return CO_E_NOTINITIALIZED;
        }
        apartment_release(apt);
4178 4179 4180 4181 4182 4183
    }

    context = HeapAlloc(GetProcessHeap(), 0, sizeof(*context));
    if (!context)
        return E_OUTOFMEMORY;

4184 4185 4186
    context->IComThreadingInfo_iface.lpVtbl = &Context_Threading_Vtbl;
    context->IContextCallback_iface.lpVtbl = &Context_Callback_Vtbl;
    context->IObjContext_iface.lpVtbl = &Context_Object_Vtbl;
4187 4188 4189 4190 4191 4192 4193 4194
    context->refs = 1;
    if (apt->multi_threaded)
        context->apttype = APTTYPE_MTA;
    else if (apt->main)
        context->apttype = APTTYPE_MAINSTA;
    else
        context->apttype = APTTYPE_STA;

4195 4196
    hr = IUnknown_QueryInterface((IUnknown *)&context->IComThreadingInfo_iface, riid, ppv);
    IUnknown_Release((IUnknown *)&context->IComThreadingInfo_iface);
4197 4198 4199 4200

    return hr;
}

4201 4202 4203 4204 4205 4206

/***********************************************************************
 *           CoGetContextToken [OLE32.@]
 */
HRESULT WINAPI CoGetContextToken( ULONG_PTR *token )
{
4207
    struct oletls *info = COM_CurrentInfo();
4208 4209 4210

    TRACE("(%p)\n", token);

4211 4212
    if (!info)
        return E_OUTOFMEMORY;
4213 4214

    if (!info->apt)
4215 4216 4217 4218 4219 4220 4221 4222 4223
    {
        APARTMENT *apt;
        if (!(apt = apartment_find_multi_threaded()))
        {
            ERR("apartment not initialised\n");
            return CO_E_NOTINITIALIZED;
        }
        apartment_release(apt);
    }
4224 4225 4226 4227 4228 4229 4230 4231 4232 4233 4234 4235 4236 4237 4238 4239 4240 4241

    if (!token)
        return E_POINTER;

    if (!info->context_token)
    {
        HRESULT hr;
        IObjContext *ctx;

        hr = CoGetObjectContext(&IID_IObjContext, (void **)&ctx);
        if (FAILED(hr)) return hr;
        info->context_token = ctx;
    }

    *token = (ULONG_PTR)info->context_token;
    TRACE("apt->context_token=%p\n", info->context_token);

    return S_OK;
4242 4243
}

4244 4245 4246 4247 4248 4249 4250 4251 4252 4253 4254 4255 4256 4257 4258 4259 4260 4261 4262 4263 4264 4265 4266 4267 4268 4269 4270
HRESULT Handler_DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
{
    static const WCHAR wszInprocHandler32[] = {'I','n','p','r','o','c','H','a','n','d','l','e','r','3','2',0};
    HKEY hkey;
    HRESULT hres;

    hres = COM_OpenKeyForCLSID(rclsid, wszInprocHandler32, KEY_READ, &hkey);
    if (SUCCEEDED(hres))
    {
        WCHAR dllpath[MAX_PATH+1];

        if (COM_RegReadPath(hkey, NULL, NULL, dllpath, ARRAYSIZE(dllpath)) == ERROR_SUCCESS)
        {
            static const WCHAR wszOle32[] = {'o','l','e','3','2','.','d','l','l',0};
            if (!strcmpiW(dllpath, wszOle32))
            {
                RegCloseKey(hkey);
                return HandlerCF_Create(rclsid, riid, ppv);
            }
        }
        else
            WARN("not creating object for inproc handler path %s\n", debugstr_w(dllpath));
        RegCloseKey(hkey);
    }

    return CLASS_E_CLASSNOTAVAILABLE;
}
4271

4272 4273 4274 4275 4276
/***********************************************************************
 *		DllMain (OLE32.@)
 */
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
{
4277
    TRACE("%p 0x%x %p\n", hinstDLL, fdwReason, fImpLoad);
4278 4279 4280

    switch(fdwReason) {
    case DLL_PROCESS_ATTACH:
4281
        hProxyDll = hinstDLL;
4282 4283 4284 4285 4286
        COMPOBJ_InitProcess();
	break;

    case DLL_PROCESS_DETACH:
        COMPOBJ_UninitProcess();
4287
        RPC_UnregisterAllChannelHooks();
4288
        COMPOBJ_DllList_Free();
4289 4290
        DeleteCriticalSection(&csRegisteredClassList);
        DeleteCriticalSection(&csApartment);
4291 4292 4293 4294 4295 4296 4297 4298 4299
	break;

    case DLL_THREAD_DETACH:
        COM_TlsDestroy();
        break;
    }
    return TRUE;
}

4300 4301 4302 4303 4304 4305 4306 4307 4308 4309 4310 4311 4312 4313 4314
/***********************************************************************
 *		DllRegisterServer (OLE32.@)
 */
HRESULT WINAPI DllRegisterServer(void)
{
    return OLE32_DllRegisterServer();
}

/***********************************************************************
 *		DllUnregisterServer (OLE32.@)
 */
HRESULT WINAPI DllUnregisterServer(void)
{
    return OLE32_DllUnregisterServer();
}