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/*
* COMPOBJ library
*
* Copyright 1995 Martin von Loewis
* Copyright 1998 Justin Bradford
* Copyright 1999 Francis Beaudet
* Copyright 1999 Sylvain St-Germain
* Copyright 2002 Marcus Meissner
* Copyright 2004 Mike Hearn
* Copyright 2005-2006 Robert Shearman (for CodeWeavers)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
* Note
* 1. COINIT_MULTITHREADED is 0; it is the lack of COINIT_APARTMENTTHREADED
* Therefore do not test against COINIT_MULTITHREADED
*
* 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
* - Implement the OXID resolver so we don't need magic endpoint names for
* clients and servers to meet up
*
*/
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#define COBJMACROS
#define NONAMELESSUNION
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "winreg.h"
#include "winuser.h"
#define USE_COM_CONTEXT_DEF
#include "objbase.h"
#include "ole2.h"
#include "ole2ver.h"
#include "ctxtcall.h"
#include "dde.h"
#include "servprov.h"
#include "initguid.h"
#include "compobj_private.h"
#include "moniker.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(ole);
/****************************************************************************
* This section defines variables internal to the COM module.
*/
static APARTMENT *MTA; /* protected by csApartment */
static APARTMENT *MainApartment; /* the first STA apartment */
static struct list apts = LIST_INIT( apts ); /* protected by csApartment */
static CRITICAL_SECTION csApartment;
static CRITICAL_SECTION_DEBUG critsect_debug =
{
0, 0, &csApartment,
{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": csApartment") }
};
static CRITICAL_SECTION csApartment = { &critsect_debug, -1, 0, 0, 0, 0 };
enum comclass_threadingmodel
{
ThreadingModel_Apartment = 1,
ThreadingModel_Free = 2,
ThreadingModel_No = 3,
ThreadingModel_Both = 4,
ThreadingModel_Neutral = 5
};
enum comclass_miscfields
{
MiscStatus = 1,
MiscStatusIcon = 2,
MiscStatusContent = 4,
MiscStatusThumbnail = 8,
MiscStatusDocPrint = 16
};
struct comclassredirect_data
{
ULONG size;
ULONG flags;
DWORD model;
GUID clsid;
GUID alias;
GUID clsid2;
GUID tlbid;
ULONG name_len;
ULONG name_offset;
ULONG progid_len;
ULONG progid_offset;
ULONG clrdata_len;
ULONG clrdata_offset;
DWORD miscstatus;
DWORD miscstatuscontent;
DWORD miscstatusthumbnail;
DWORD miscstatusicon;
DWORD miscstatusdocprint;
};
struct ifacepsredirect_data
{
ULONG size;
DWORD mask;
GUID iid;
ULONG nummethods;
GUID tlbid;
GUID base;
ULONG name_len;
ULONG name_offset;
};
struct progidredirect_data
{
ULONG size;
DWORD reserved;
ULONG clsid_offset;
};
enum class_reg_data_origin
{
CLASS_REG_ACTCTX,
CLASS_REG_REGISTRY,
};
struct class_reg_data
{
enum class_reg_data_origin origin;
union
{
struct
{
const WCHAR *module_name;
DWORD threading_model;
HANDLE hactctx;
} actctx;
HKEY hkey;
} u;
};
struct registered_psclsid
{
struct list entry;
IID iid;
CLSID clsid;
};
static struct list registered_psclsid_list = LIST_INIT(registered_psclsid_list);
static CRITICAL_SECTION cs_registered_psclsid_list;
static CRITICAL_SECTION_DEBUG psclsid_cs_debug =
{
0, 0, &cs_registered_psclsid_list,
{ &psclsid_cs_debug.ProcessLocksList, &psclsid_cs_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": cs_registered_psclsid_list") }
};
static CRITICAL_SECTION cs_registered_psclsid_list = { &psclsid_cs_debug, -1, 0, 0, 0, 0 };
/*
* This is a marshallable object exposing registered local servers.
* IServiceProvider is used only because it happens meet requirements
* and already has proxy/stub code. If more functionality is needed,
* a custom interface may be used instead.
*/
struct LocalServer
{
IServiceProvider IServiceProvider_iface;
LONG ref;
APARTMENT *apt;
IStream *marshal_stream;
};
/*
* This lock count counts the number of times CoInitialize is called. It is
* decreased every time CoUninitialize is called. When it hits 0, the COM
* libraries are freed
*/
static LONG s_COMLockCount = 0;
/* Reference count used by CoAddRefServerProcess/CoReleaseServerProcess */
static LONG s_COMServerProcessReferences = 0;
/*
* This linked list contains the list of registered class objects. These
* are mostly used to register the factories for out-of-proc servers of OLE
* objects.
*
* TODO: Make this data structure aware of inter-process communication. This
* means that parts of this will be exported to rpcss.
*/
typedef struct tagRegisteredClass
{
struct list entry;
CLSID classIdentifier;
OXID apartment_id;
LPUNKNOWN classObject;
DWORD runContext;
DWORD connectFlags;
DWORD dwCookie;
void *RpcRegistration;
} RegisteredClass;
static struct list RegisteredClassList = LIST_INIT(RegisteredClassList);
static CRITICAL_SECTION csRegisteredClassList;
static CRITICAL_SECTION_DEBUG class_cs_debug =
{
0, 0, &csRegisteredClassList,
{ &class_cs_debug.ProcessLocksList, &class_cs_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": csRegisteredClassList") }
};
static CRITICAL_SECTION csRegisteredClassList = { &class_cs_debug, -1, 0, 0, 0, 0 };
static inline enum comclass_miscfields dvaspect_to_miscfields(DWORD aspect)
{
switch (aspect)
{
case DVASPECT_CONTENT:
return MiscStatusContent;
case DVASPECT_THUMBNAIL:
return MiscStatusThumbnail;
case DVASPECT_ICON:
return MiscStatusIcon;
case DVASPECT_DOCPRINT:
return MiscStatusDocPrint;
default:
return MiscStatus;
};
}
BOOL actctx_get_miscstatus(const CLSID *clsid, DWORD aspect, DWORD *status)
{
ACTCTX_SECTION_KEYED_DATA data;
data.cbSize = sizeof(data);
if (FindActCtxSectionGuid(0, NULL, ACTIVATION_CONTEXT_SECTION_COM_SERVER_REDIRECTION,
clsid, &data))
{
struct comclassredirect_data *comclass = (struct comclassredirect_data*)data.lpData;
enum comclass_miscfields misc = dvaspect_to_miscfields(aspect);
ULONG miscmask = (comclass->flags >> 8) & 0xff;
if (!(miscmask & misc))
{
if (!(miscmask & MiscStatus))
{
*status = 0;
return TRUE;
}
misc = MiscStatus;
}
switch (misc)
{
case MiscStatus:
*status = comclass->miscstatus;
break;
case MiscStatusIcon:
*status = comclass->miscstatusicon;
break;
case MiscStatusContent:
*status = comclass->miscstatuscontent;
break;
case MiscStatusThumbnail:
*status = comclass->miscstatusthumbnail;
break;
case MiscStatusDocPrint:
*status = comclass->miscstatusdocprint;
break;
default:
;
};
return TRUE;
}
else
return FALSE;
}
/* wrapper for NtCreateKey that creates the key recursively if necessary */
static NTSTATUS create_key( HKEY *retkey, ACCESS_MASK access, OBJECT_ATTRIBUTES *attr )
{
NTSTATUS status = NtCreateKey( (HANDLE *)retkey, access, attr, 0, NULL, 0, NULL );
if (status == STATUS_OBJECT_NAME_NOT_FOUND)
{
HANDLE subkey, root = attr->RootDirectory;
WCHAR *buffer = attr->ObjectName->Buffer;
DWORD attrs, pos = 0, i = 0, len = attr->ObjectName->Length / sizeof(WCHAR);
UNICODE_STRING str;
while (i < len && buffer[i] != '\\') i++;
if (i == len) return status;
attrs = attr->Attributes;
attr->ObjectName = &str;
while (i < len)
{
str.Buffer = buffer + pos;
str.Length = (i - pos) * sizeof(WCHAR);
status = NtCreateKey( &subkey, access, attr, 0, NULL, 0, NULL );
if (attr->RootDirectory != root) NtClose( attr->RootDirectory );
if (status) return status;
attr->RootDirectory = subkey;
while (i < len && buffer[i] == '\\') i++;
pos = i;
while (i < len && buffer[i] != '\\') i++;
}
str.Buffer = buffer + pos;
str.Length = (i - pos) * sizeof(WCHAR);
attr->Attributes = attrs;
status = NtCreateKey( (PHANDLE)retkey, access, attr, 0, NULL, 0, NULL );
if (attr->RootDirectory != root) NtClose( attr->RootDirectory );
}
return status;
}
static const WCHAR classes_rootW[] =
{'\\','R','e','g','i','s','t','r','y','\\','M','a','c','h','i','n','e',
'\\','S','o','f','t','w','a','r','e','\\','C','l','a','s','s','e','s',0};
static HKEY classes_root_hkey;
/* create the special HKEY_CLASSES_ROOT key */
static HKEY create_classes_root_hkey(DWORD access)
{
HKEY hkey, ret = 0;
OBJECT_ATTRIBUTES attr;
UNICODE_STRING name;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = &name;
attr.Attributes = 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
RtlInitUnicodeString( &name, classes_rootW );
if (create_key( &hkey, access, &attr )) return 0;
TRACE( "%s -> %p\n", debugstr_w(attr.ObjectName->Buffer), hkey );
if (!(access & KEY_WOW64_64KEY))
{
if (!(ret = InterlockedCompareExchangePointer( (void **)&classes_root_hkey, hkey, 0 )))
ret = hkey;
else
NtClose( hkey ); /* somebody beat us to it */
}
else
ret = hkey;
return ret;
}
/* map the hkey from special root to normal key if necessary */
static inline HKEY get_classes_root_hkey( HKEY hkey, REGSAM access )
{
HKEY ret = hkey;
const BOOL is_win64 = sizeof(void*) > sizeof(int);
const BOOL force_wow32 = is_win64 && (access & KEY_WOW64_32KEY);
if (hkey == HKEY_CLASSES_ROOT &&
((access & KEY_WOW64_64KEY) || !(ret = classes_root_hkey)))
ret = create_classes_root_hkey(MAXIMUM_ALLOWED | (access & KEY_WOW64_64KEY));
if (force_wow32 && ret && ret == classes_root_hkey)
{
static const WCHAR wow6432nodeW[] = {'W','o','w','6','4','3','2','N','o','d','e',0};
access &= ~KEY_WOW64_32KEY;
if (create_classes_key(classes_root_hkey, wow6432nodeW, access, &hkey))
return 0;
ret = hkey;
}
return ret;
}
LSTATUS create_classes_key( HKEY hkey, const WCHAR *name, REGSAM access, HKEY *retkey )
{
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW;
if (!(hkey = get_classes_root_hkey( hkey, access ))) return ERROR_INVALID_HANDLE;
attr.Length = sizeof(attr);
attr.RootDirectory = hkey;
attr.ObjectName = &nameW;
attr.Attributes = 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
RtlInitUnicodeString( &nameW, name );
return RtlNtStatusToDosError( create_key( retkey, access, &attr ) );
}
LSTATUS open_classes_key( HKEY hkey, const WCHAR *name, REGSAM access, HKEY *retkey )
{
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW;
if (!(hkey = get_classes_root_hkey( hkey, access ))) return ERROR_INVALID_HANDLE;
attr.Length = sizeof(attr);
attr.RootDirectory = hkey;
attr.ObjectName = &nameW;
attr.Attributes = 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
RtlInitUnicodeString( &nameW, name );
return RtlNtStatusToDosError( NtOpenKey( (HANDLE *)retkey, access, &attr ) );
}
/*****************************************************************************
* This section contains OpenDllList definitions
*
* The OpenDllList contains only handles of dll loaded by CoGetClassObject or
* other functions that do LoadLibrary _without_ giving back a HMODULE.
* Without this list these handles would never be freed.
*
* FIXME: a DLL that says OK when asked for unloading is unloaded in the
* next unload-call but not before 600 sec.
*/
typedef HRESULT (CALLBACK *DllGetClassObjectFunc)(REFCLSID clsid, REFIID iid, LPVOID *ppv);
typedef HRESULT (WINAPI *DllCanUnloadNowFunc)(void);
typedef struct tagOpenDll
{
LONG refs;
LPWSTR library_name;
HANDLE library;
DllGetClassObjectFunc DllGetClassObject;
DllCanUnloadNowFunc DllCanUnloadNow;
struct list entry;
} OpenDll;
static struct list openDllList = LIST_INIT(openDllList);
static CRITICAL_SECTION csOpenDllList;
static CRITICAL_SECTION_DEBUG dll_cs_debug =
{
0, 0, &csOpenDllList,
{ &dll_cs_debug.ProcessLocksList, &dll_cs_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": csOpenDllList") }
};
static CRITICAL_SECTION csOpenDllList = { &dll_cs_debug, -1, 0, 0, 0, 0 };
struct apartment_loaded_dll
{
struct list entry;
OpenDll *dll;
DWORD unload_time;
BOOL multi_threaded;
};
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};
static ATOM apt_win_class;
/*****************************************************************************
* This section contains OpenDllList implementation
*/
static OpenDll *COMPOBJ_DllList_Get(LPCWSTR library_name)
{
OpenDll *ptr;
OpenDll *ret = NULL;
EnterCriticalSection(&csOpenDllList);
LIST_FOR_EACH_ENTRY(ptr, &openDllList, OpenDll, entry)
{
if (!wcsicmp(library_name, ptr->library_name) &&
(InterlockedIncrement(&ptr->refs) != 1) /* entry is being destroy if == 1 */)
{
ret = ptr;
break;
}
}
LeaveCriticalSection(&csOpenDllList);
return ret;
}
/* caller must ensure that library_name is not already in the open dll list */
static HRESULT COMPOBJ_DllList_Add(LPCWSTR library_name, OpenDll **ret)
{
OpenDll *entry;
int len;
HRESULT hr = S_OK;
HANDLE hLibrary;
DllCanUnloadNowFunc DllCanUnloadNow;
DllGetClassObjectFunc DllGetClassObject;
TRACE("%s\n", debugstr_w(library_name));
*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 = lstrlenW(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);
*ret = entry;
}
else
{
HeapFree(GetProcessHeap(), 0, entry);
hr = E_OUTOFMEMORY;
FreeLibrary(hLibrary);
}
}
LeaveCriticalSection( &csOpenDllList );
return hr;
}
/* 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)
{
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);
}
}
/* frees memory associated with active dll list */
static void COMPOBJ_DllList_Free(void)
{
OpenDll *entry, *cursor2;
EnterCriticalSection(&csOpenDllList);
LIST_FOR_EACH_ENTRY_SAFE(entry, cursor2, &openDllList, OpenDll, entry)
{
list_remove(&entry->entry);
HeapFree(GetProcessHeap(), 0, entry->library_name);
HeapFree(GetProcessHeap(), 0, entry);
}
LeaveCriticalSection(&csOpenDllList);
DeleteCriticalSection(&csOpenDllList);
}
/******************************************************************************
* Manage apartments.
*/
static DWORD apartment_addref(struct apartment *apt)
{
DWORD refs = InterlockedIncrement(&apt->refs);
TRACE("%s: before = %d\n", wine_dbgstr_longlong(apt->oxid), refs - 1);
return refs;
}
/* allocates memory and fills in the necessary fields for a new apartment
* object. must be called inside apartment cs */
static APARTMENT *apartment_construct(DWORD model)
{
APARTMENT *apt;
TRACE("creating new apartment, model=%d\n", model);
apt = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*apt));
apt->tid = GetCurrentThreadId();
list_init(&apt->proxies);
list_init(&apt->stubmgrs);
list_init(&apt->loaded_dlls);
list_init(&apt->usage_cookies);
apt->ipidc = 0;
apt->refs = 1;
apt->remunk_exported = FALSE;
apt->oidc = 1;
InitializeCriticalSection(&apt->cs);
DEBUG_SET_CRITSEC_NAME(&apt->cs, "apartment");
apt->multi_threaded = !(model & COINIT_APARTMENTTHREADED);
if (apt->multi_threaded)
{
/* FIXME: should be randomly generated by in an RPC call to rpcss */
apt->oxid = ((OXID)GetCurrentProcessId() << 32) | 0xcafe;
}
else
{
/* FIXME: should be randomly generated by in an RPC call to rpcss */
apt->oxid = ((OXID)GetCurrentProcessId() << 32) | GetCurrentThreadId();
}
TRACE("Created apartment on OXID %s\n", wine_dbgstr_longlong(apt->oxid));
list_add_head(&apts, &apt->entry);
return apt;
}
/* 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 */
static APARTMENT *apartment_get_or_create(DWORD model)
{
APARTMENT *apt = COM_CurrentApt();
if (!apt)
{
if (model & COINIT_APARTMENTTHREADED)
{
EnterCriticalSection(&csApartment);
apt = apartment_construct(model);
if (!MainApartment)
{
MainApartment = apt;
apt->main = TRUE;
TRACE("Created main-threaded apartment with OXID %s\n", wine_dbgstr_longlong(apt->oxid));
}
LeaveCriticalSection(&csApartment);
if (apt->main)
apartment_createwindowifneeded(apt);
}
else
{
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));
apartment_addref(MTA);
}
else
MTA = apartment_construct(model);
apt = MTA;
LeaveCriticalSection(&csApartment);
}
COM_CurrentInfo()->apt = apt;
}
return apt;
}
static inline BOOL apartment_is_model(const APARTMENT *apt, DWORD model)
{
return (apt->multi_threaded == !(model & COINIT_APARTMENTTHREADED));
}
/* 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_mta(void)
{
APARTMENT *apt;
EnterCriticalSection(&csApartment);
if ((apt = MTA))
apartment_addref(apt);
LeaveCriticalSection(&csApartment);
return apt;
}
/* Return the current apartment if it exists, or, failing that, the MTA. Caller
* must free the returned apartment in either case. */
APARTMENT *apartment_get_current_or_mta(void)
{
APARTMENT *apt = COM_CurrentApt();
if (apt)
{
apartment_addref(apt);
return apt;
}
return apartment_find_mta();
}
static void COM_RevokeRegisteredClassObject(RegisteredClass *curClass)
{
list_remove(&curClass->entry);
if (curClass->runContext & CLSCTX_LOCAL_SERVER)
RPC_StopLocalServer(curClass->RpcRegistration);
IUnknown_Release(curClass->classObject);
HeapFree(GetProcessHeap(), 0, curClass);
}
static void COM_RevokeAllClasses(const struct apartment *apt)
{
RegisteredClass *curClass, *cursor;
EnterCriticalSection( &csRegisteredClassList );
LIST_FOR_EACH_ENTRY_SAFE(curClass, cursor, &RegisteredClassList, RegisteredClass, entry)
{
if (curClass->apartment_id == apt->oxid)
COM_RevokeRegisteredClassObject(curClass);
}
LeaveCriticalSection( &csRegisteredClassList );
}
static void revoke_registered_psclsids(void)
{
struct registered_psclsid *psclsid, *psclsid2;
EnterCriticalSection( &cs_registered_psclsid_list );
LIST_FOR_EACH_ENTRY_SAFE(psclsid, psclsid2, &registered_psclsid_list, struct registered_psclsid, entry)
{
list_remove(&psclsid->entry);
HeapFree(GetProcessHeap(), 0, psclsid);
}
LeaveCriticalSection( &cs_registered_psclsid_list );
}
/******************************************************************************
* Implementation of the manual reset event object. (CLSID_ManualResetEvent)
*/
typedef struct ManualResetEvent {
ISynchronize ISynchronize_iface;
ISynchronizeHandle ISynchronizeHandle_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);
if(IsEqualGUID(riid, &IID_IUnknown) || IsEqualGUID(riid, &IID_ISynchronize)) {
*ppv = &This->ISynchronize_iface;
}else if(IsEqualGUID(riid, &IID_ISynchronizeHandle)) {
*ppv = &This->ISynchronizeHandle_iface;
}else {
ERR("Unknown interface %s requested.\n", debugstr_guid(riid));
*ppv = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
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 inline MREImpl *impl_from_ISynchronizeHandle(ISynchronizeHandle *iface)
{
return CONTAINING_RECORD(iface, MREImpl, ISynchronizeHandle_iface);
}
static HRESULT WINAPI SynchronizeHandle_QueryInterface(ISynchronizeHandle *iface, REFIID riid, void **ppv)
{
MREImpl *This = impl_from_ISynchronizeHandle(iface);
return ISynchronize_QueryInterface(&This->ISynchronize_iface, riid, ppv);
}
static ULONG WINAPI SynchronizeHandle_AddRef(ISynchronizeHandle *iface)
{
MREImpl *This = impl_from_ISynchronizeHandle(iface);
return ISynchronize_AddRef(&This->ISynchronize_iface);
}
static ULONG WINAPI SynchronizeHandle_Release(ISynchronizeHandle *iface)
{
MREImpl *This = impl_from_ISynchronizeHandle(iface);
return ISynchronize_Release(&This->ISynchronize_iface);
}
static HRESULT WINAPI SynchronizeHandle_GetHandle(ISynchronizeHandle *iface, HANDLE *ph)
{
MREImpl *This = impl_from_ISynchronizeHandle(iface);
*ph = This->event;
return S_OK;
}
static const ISynchronizeHandleVtbl SynchronizeHandleVtbl = {
SynchronizeHandle_QueryInterface,
SynchronizeHandle_AddRef,
SynchronizeHandle_Release,
SynchronizeHandle_GetHandle
};
HRESULT WINAPI ManualResetEvent_CreateInstance(IClassFactory *iface, IUnknown *outer, REFIID iid, void **ppv)
{
MREImpl *This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(MREImpl));
HRESULT hr;
if (outer)
FIXME("Aggregation not implemented.\n");
This->ref = 1;
This->ISynchronize_iface.lpVtbl = &vt_ISynchronize;
This->ISynchronizeHandle_iface.lpVtbl = &SynchronizeHandleVtbl;
This->event = CreateEventW(NULL, TRUE, FALSE, NULL);
hr = ISynchronize_QueryInterface(&This->ISynchronize_iface, iid, ppv);
ISynchronize_Release(&This->ISynchronize_iface);
return hr;
}
static inline LocalServer *impl_from_IServiceProvider(IServiceProvider *iface)
{
return CONTAINING_RECORD(iface, LocalServer, IServiceProvider_iface);
}
static HRESULT WINAPI LocalServer_QueryInterface(IServiceProvider *iface, REFIID riid, void **ppv)
{
LocalServer *This = impl_from_IServiceProvider(iface);
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
if(IsEqualGUID(riid, &IID_IUnknown) || IsEqualGUID(riid, &IID_IServiceProvider)) {
*ppv = &This->IServiceProvider_iface;
}else {
*ppv = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI LocalServer_AddRef(IServiceProvider *iface)
{
LocalServer *This = impl_from_IServiceProvider(iface);
LONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
return ref;
}
static ULONG WINAPI LocalServer_Release(IServiceProvider *iface)
{
LocalServer *This = impl_from_IServiceProvider(iface);
LONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
if(!ref) {
assert(!This->apt);
HeapFree(GetProcessHeap(), 0, This);
}
return ref;
}
static HRESULT WINAPI LocalServer_QueryService(IServiceProvider *iface, REFGUID guid, REFIID riid, void **ppv)
{
LocalServer *This = impl_from_IServiceProvider(iface);
APARTMENT *apt = COM_CurrentApt();
RegisteredClass *iter;
HRESULT hres = E_FAIL;
TRACE("(%p)->(%s %s %p)\n", This, debugstr_guid(guid), debugstr_guid(riid), ppv);
if(!This->apt)
return E_UNEXPECTED;
EnterCriticalSection(&csRegisteredClassList);
LIST_FOR_EACH_ENTRY(iter, &RegisteredClassList, RegisteredClass, entry) {
if(iter->apartment_id == apt->oxid
&& (iter->runContext & CLSCTX_LOCAL_SERVER)
&& IsEqualGUID(&iter->classIdentifier, guid)) {
hres = IUnknown_QueryInterface(iter->classObject, riid, ppv);
break;
}
}
LeaveCriticalSection( &csRegisteredClassList );
return hres;
}
static const IServiceProviderVtbl LocalServerVtbl = {
LocalServer_QueryInterface,
LocalServer_AddRef,
LocalServer_Release,
LocalServer_QueryService
};
static HRESULT get_local_server_stream(APARTMENT *apt, IStream **ret)
{
HRESULT hres = S_OK;
EnterCriticalSection(&apt->cs);
if(!apt->local_server) {
LocalServer *obj;
obj = heap_alloc(sizeof(*obj));
if(obj) {
obj->IServiceProvider_iface.lpVtbl = &LocalServerVtbl;
obj->ref = 1;
obj->apt = apt;
hres = CreateStreamOnHGlobal(0, TRUE, &obj->marshal_stream);
if(SUCCEEDED(hres)) {
hres = CoMarshalInterface(obj->marshal_stream, &IID_IServiceProvider, (IUnknown*)&obj->IServiceProvider_iface,
MSHCTX_LOCAL, NULL, MSHLFLAGS_TABLESTRONG);
if(FAILED(hres))
IStream_Release(obj->marshal_stream);
}
if(SUCCEEDED(hres))
apt->local_server = obj;
else
heap_free(obj);
}else {
hres = E_OUTOFMEMORY;
}
}
if(SUCCEEDED(hres))
hres = IStream_Clone(apt->local_server->marshal_stream, ret);
LeaveCriticalSection(&apt->cs);
if(FAILED(hres))
ERR("Failed: %08x\n", hres);
return hres;
}
/***********************************************************************
* 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 DECLSPEC_HOTPATCH CoRevokeClassObject(
DWORD dwRegister)
{
HRESULT hr = E_INVALIDARG;
RegisteredClass *curClass;
APARTMENT *apt;
TRACE("(%08x)\n",dwRegister);
if (!(apt = apartment_get_current_or_mta()))
{
ERR("COM was not initialized\n");
return CO_E_NOTINITIALIZED;
}
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 );
apartment_release(apt);
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 && ((int)(GetTickCount() - entry->unload_time) > 0)))
{
list_remove(&entry->entry);
COMPOBJ_DllList_ReleaseRef(entry->dll, TRUE);
HeapFree(GetProcessHeap(), 0, entry);
}
else
{
entry->unload_time = GetTickCount() + real_delay;
if (!entry->unload_time) entry->unload_time = 1;
}
}
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);
if (apt->being_destroyed)
{
LeaveCriticalSection(&csApartment);
return ret;
}
/* destruction stuff that needs to happen under csApartment CS */
if (ret == 0)
{
apt->being_destroyed = TRUE;
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));
if(apt->local_server) {
LocalServer *local_server = apt->local_server;
LARGE_INTEGER zero;
memset(&zero, 0, sizeof(zero));
IStream_Seek(local_server->marshal_stream, zero, STREAM_SEEK_SET, NULL);
CoReleaseMarshalData(local_server->marshal_stream);
IStream_Release(local_server->marshal_stream);
local_server->marshal_stream = NULL;
apt->local_server = NULL;
local_server->apt = NULL;
IServiceProvider_Release(&local_server->IServiceProvider_iface);
}
/* 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);
}
/* 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));
if (apt->filter) IMessageFilter_Release(apt->filter);
/* free as many unused libraries as possible... */
apartment_freeunusedlibraries(apt, 0);
/* ... and free the memory for the apartment loaded dll entry and
* release the dll list reference without freeing the library for the
* rest */
while ((cursor = list_head(&apt->loaded_dlls)))
{
struct apartment_loaded_dll *apartment_loaded_dll = LIST_ENTRY(cursor, struct apartment_loaded_dll, entry);
COMPOBJ_DllList_ReleaseRef(apartment_loaded_dll->dll, FALSE);
list_remove(cursor);
HeapFree(GetProcessHeap(), 0, apartment_loaded_dll);
}
DEBUG_CLEAR_CRITSEC_NAME(&apt->cs);
DeleteCriticalSection(&apt->cs);
HeapFree(GetProcessHeap(), 0, apt);
}
return ret;
}
/* The given OXID must be local to this process:
*
* The ref parameter is here mostly to ensure people remember that
* they get one, you should normally take a ref for thread safety.
*/
APARTMENT *apartment_findfromoxid(OXID oxid, BOOL ref)
{
APARTMENT *result = NULL;
struct list *cursor;
EnterCriticalSection(&csApartment);
LIST_FOR_EACH( cursor, &apts )
{
struct apartment *apt = LIST_ENTRY( cursor, struct apartment, entry );
if (apt->oxid == oxid)
{
result = apt;
if (ref) apartment_addref(result);
break;
}
}
LeaveCriticalSection(&csApartment);
return result;
}
/* 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. */
APARTMENT *apartment_findfromtid(DWORD tid)
{
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;
apartment_addref(result);
break;
}
}
LeaveCriticalSection(&csApartment);
return result;
}
/* gets the main 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_findmain(void)
{
APARTMENT *result;
EnterCriticalSection(&csApartment);
result = MainApartment;
if (result) apartment_addref(result);
LeaveCriticalSection(&csApartment);
return result;
}
/* 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 (!wcsicmp(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 for dll %s\n", hr, debugstr_w(dllpath));
return hr;
}
EnterCriticalSection(&apt->cs);
LIST_FOR_EACH_ENTRY(apartment_loaded_dll, &apt->loaded_dlls, struct apartment_loaded_dll, entry)
if (!wcsicmp(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 for dll %s\n", hr, debugstr_w(dllpath));
}
return hr;
}
/* Returns expanded dll path from the registry or activation context. */
static BOOL get_object_dll_path(const struct class_reg_data *regdata, WCHAR *dst, DWORD dstlen)
{
DWORD ret;
if (regdata->origin == CLASS_REG_REGISTRY)
{
DWORD keytype;
WCHAR src[MAX_PATH];
DWORD dwLength = dstlen * sizeof(WCHAR);
if( (ret = RegQueryValueExW(regdata->u.hkey, NULL, NULL, &keytype, (BYTE*)src, &dwLength)) == ERROR_SUCCESS ) {
if (keytype == REG_EXPAND_SZ) {
if (dstlen <= ExpandEnvironmentStringsW(src, dst, dstlen)) ret = ERROR_MORE_DATA;
} else {
const WCHAR *quote_start;
quote_start = wcschr(src, '\"');
if (quote_start) {
const WCHAR *quote_end = wcschr(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';
}
}
lstrcpynW(dst, src, dstlen);
}
}
return !ret;
}
else
{
static const WCHAR dllW[] = {'.','d','l','l',0};
ULONG_PTR cookie;
*dst = 0;
ActivateActCtx(regdata->u.actctx.hactctx, &cookie);
ret = SearchPathW(NULL, regdata->u.actctx.module_name, dllW, dstlen, dst, NULL);
DeactivateActCtx(0, cookie);
return *dst != 0;
}
}
struct host_object_params
{
struct class_reg_data regdata;
CLSID clsid; /* clsid of object to marshal */
IID iid; /* interface to marshal */
HANDLE event; /* event signalling when ready for multi-threaded case */
HRESULT hr; /* result for multi-threaded case */
IStream *stream; /* stream that the object will be marshaled into */
BOOL apartment_threaded; /* is the component purely apartment-threaded? */
};
static HRESULT apartment_hostobject(struct apartment *apt,
const struct host_object_params *params)
{
IUnknown *object;
HRESULT hr;
static const LARGE_INTEGER llZero;
WCHAR dllpath[MAX_PATH+1];
TRACE("clsid %s, iid %s\n", debugstr_guid(&params->clsid), debugstr_guid(&params->iid));
if (!get_object_dll_path(&params->regdata, dllpath, ARRAY_SIZE(dllpath)))
{
/* failure: CLSID is not found in registry */
WARN("class %s not registered inproc\n", debugstr_guid(&params->clsid));
return REGDB_E_CLASSNOTREG;
}
hr = apartment_getclassobject(apt, dllpath, params->apartment_threaded,
&params->clsid, &params->iid, (void **)&object);
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;
}
static LRESULT CALLBACK apartment_wndproc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch (msg)
{
case DM_EXECUTERPC:
RPC_ExecuteCall((struct dispatch_params *)lParam);
return 0;
case DM_HOSTOBJECT:
return apartment_hostobject(COM_CurrentApt(), (const struct host_object_params *)lParam);
default:
return DefWindowProcW(hWnd, msg, wParam, lParam);
}
}
struct host_thread_params
{
COINIT threading_model;
HANDLE ready_event;
HWND apartment_hwnd;
};
/* thread for hosting an object to allow an object to appear to be created in
* an apartment with an incompatible threading model */
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))
{
struct host_object_params *obj_params = (struct host_object_params *)msg.lParam;
obj_params->hr = apartment_hostobject(apt, obj_params);
SetEvent(obj_params->event);
}
else
{
TranslateMessage(&msg);
DispatchMessageW(&msg);
}
}
TRACE("exiting\n");
CoUninitialize();
return S_OK;
}
/* 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,
const struct class_reg_data *regdata, REFCLSID rclsid, REFIID riid, void **ppv)
{
struct host_object_params params;
HWND apartment_hwnd = NULL;
DWORD apartment_tid = 0;
HRESULT hr;
if (!multi_threaded && main_apartment)
{
APARTMENT *host_apt = apartment_findmain();
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)
{
APARTMENT *host_apt = apartment_findmain();
if (host_apt)
{
apartment_hwnd = apartment_getwindow(host_apt);
apartment_release(host_apt);
}
}
params.regdata = *regdata;
params.clsid = *rclsid;
params.iid = *riid;
hr = CreateStreamOnHGlobal(NULL, TRUE, &params.stream);
if (FAILED(hr))
return hr;
params.apartment_threaded = !multi_threaded;
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
{
WaitForSingleObject(params.event, INFINITE);
hr = params.hr;
}
CloseHandle(params.event);
}
else
{
if (!apartment_hwnd)
{
ERR("host apartment didn't create window\n");
hr = E_OUTOFMEMORY;
}
else
hr = SendMessageW(apartment_hwnd, DM_HOSTOBJECT, 0, (LPARAM)&params);
}
if (SUCCEEDED(hr))
hr = CoUnmarshalInterface(params.stream, riid, ppv);
IStream_Release(params.stream);
return hr;
}
static BOOL WINAPI register_class( INIT_ONCE *once, void *param, void **context )
{
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;
apt_win_class = RegisterClassW(&wclass);
return TRUE;
}
/* create a window for the apartment or return the current one if one has
* already been created */
HRESULT apartment_createwindowifneeded(struct apartment *apt)
{
static INIT_ONCE class_init_once = INIT_ONCE_STATIC_INIT;
if (apt->multi_threaded)
return S_OK;
if (!apt->win)
{
HWND hwnd;
InitOnceExecuteOnce( &class_init_once, register_class, NULL, NULL );
hwnd = CreateWindowW(wszAptWinClass, NULL, 0, 0, 0, 0, 0,
HWND_MESSAGE, 0, hProxyDll, NULL);
if (!hwnd)
{
ERR("CreateWindow failed with error %d\n", GetLastError());
return HRESULT_FROM_WIN32(GetLastError());
}
if (InterlockedCompareExchangePointer((PVOID *)&apt->win, hwnd, NULL))
/* someone beat us to it */
DestroyWindow(hwnd);
}
return S_OK;
}
/* retrieves the window for the main- or apartment-threaded apartment */
HWND apartment_getwindow(const struct apartment *apt)
{
assert(!apt->multi_threaded);
return apt->win;
}
static void COM_TlsDestroy(void)
{
struct oletls *info = NtCurrentTeb()->ReservedForOle;
if (info)
{
struct init_spy *cursor, *cursor2;
if (info->apt) apartment_release(info->apt);
if (info->errorinfo) IErrorInfo_Release(info->errorinfo);
if (info->state) IUnknown_Release(info->state);
LIST_FOR_EACH_ENTRY_SAFE(cursor, cursor2, &info->spies, struct init_spy, entry)
{
list_remove(&cursor->entry);
if (cursor->spy) IInitializeSpy_Release(cursor->spy);
heap_free(cursor);
}
if (info->context_token) IObjContext_Release(info->context_token);
HeapFree(GetProcessHeap(), 0, info);
NtCurrentTeb()->ReservedForOle = NULL;
}
}
/******************************************************************************
* CoBuildVersion [OLE32.@]
*
* Gets the build version of the DLL.
*
* PARAMS
*
* RETURNS
* Current build version, hiword is majornumber, loword is minornumber
*/
DWORD WINAPI CoBuildVersion(void)
{
TRACE("Returning version %d, build %d.\n", rmm, rup);
return (rmm<<16)+rup;
}
/*
* When locked, don't modify list (unless we add a new head), so that it's
* safe to iterate it. Freeing of list entries is delayed and done on unlock.
*/
static inline void lock_init_spies(struct oletls *info)
{
info->spies_lock++;
}
static void unlock_init_spies(struct oletls *info)
{
struct init_spy *spy, *next;
if (--info->spies_lock) return;
LIST_FOR_EACH_ENTRY_SAFE(spy, next, &info->spies, struct init_spy, entry)
{
if (spy->spy) continue;
list_remove(&spy->entry);
heap_free(spy);
}
}
HRESULT enter_apartment( struct oletls *info, DWORD model )
{
HRESULT hr = S_OK;
if (!info->apt)
{
if (!apartment_get_or_create( model ))
return E_OUTOFMEMORY;
}
else if (!apartment_is_model( info->apt, model ))
{
WARN( "Attempt to change threading model of this apartment from %s to %s\n",
info->apt->multi_threaded ? "multi-threaded" : "apartment threaded",
model & COINIT_APARTMENTTHREADED ? "apartment threaded" : "multi-threaded" );
return RPC_E_CHANGED_MODE;
}
else
hr = S_FALSE;
info->inits++;
return hr;
}
void leave_apartment( struct oletls *info )
{
if (!--info->inits)
{
if (info->ole_inits)
WARN( "Uninitializing apartment while Ole is still initialized\n" );
apartment_release( info->apt );
info->apt = NULL;
}
}
/******************************************************************************
* CoInitialize [OLE32.@]
*
* Initializes the COM libraries by calling CoInitializeEx with
* COINIT_APARTMENTTHREADED, ie it enters a STA thread.
*
* 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.
*
* SEE ALSO
* CoInitializeEx
*/
HRESULT WINAPI CoInitialize(LPVOID lpReserved)
{
/*
* Just delegate to the newer method.
*/
return CoInitializeEx(lpReserved, COINIT_APARTMENTTHREADED);
}
/******************************************************************************
* CoInitializeEx [OLE32.@]
*
* Initializes the COM libraries.
*
* PARAMS
* lpReserved [I] Pointer to IMalloc interface (obsolete, should be NULL).
* dwCoInit [I] One or more flags from the COINIT enumeration. See notes.
*
* RETURNS
* S_OK if successful,
* S_FALSE if this function was called already.
* RPC_E_CHANGED_MODE if a previous call to CoInitializeEx specified another
* threading model.
*
* NOTES
*
* The behavior used to set the IMalloc used for memory management is
* obsolete.
* The dwCoInit parameter must specify one of the following apartment
* 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.
*
* SEE ALSO
* CoUninitialize
*/
HRESULT WINAPI DECLSPEC_HOTPATCH CoInitializeEx(LPVOID lpReserved, DWORD dwCoInit)
{
struct oletls *info = COM_CurrentInfo();
struct init_spy *cursor;
HRESULT hr;
TRACE("(%p, %x)\n", lpReserved, (int)dwCoInit);
if (lpReserved!=NULL)
{
ERR("(%p, %x) - Bad parameter passed-in %p, must be an old Windows Application\n", lpReserved, (int)dwCoInit, lpReserved);
}
/*
* Check the lock count. If this is the first time going through the initialize
* process, we have to initialize the libraries.
*
* And crank-up that lock count.
*/
if (InterlockedExchangeAdd(&s_COMLockCount,1)==0)
{
/*
* Initialize the various COM libraries and data structures.
*/
TRACE("() - Initializing the COM libraries\n");
/* we may need to defer this until after apartment initialisation */
RunningObjectTableImpl_Initialize();
}
lock_init_spies(info);
LIST_FOR_EACH_ENTRY(cursor, &info->spies, struct init_spy, entry)
{
if (cursor->spy) IInitializeSpy_PreInitialize(cursor->spy, dwCoInit, info->inits);
}
unlock_init_spies(info);
hr = enter_apartment( info, dwCoInit );
lock_init_spies(info);
LIST_FOR_EACH_ENTRY(cursor, &info->spies, struct init_spy, entry)
{
if (cursor->spy) hr = IInitializeSpy_PostInitialize(cursor->spy, hr, dwCoInit, info->inits);
}
unlock_init_spies(info);
return hr;
}
/***********************************************************************
* CoUninitialize [OLE32.@]
*
* 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.
*
* PARAMS
*
* RETURNS
* Nothing.
*
* SEE ALSO
* CoInitializeEx
*/
void WINAPI DECLSPEC_HOTPATCH CoUninitialize(void)
{
struct oletls * info = COM_CurrentInfo();
struct init_spy *cursor, *next;
LONG lCOMRefCnt;
TRACE("()\n");
/* will only happen on OOM */
if (!info) return;
lock_init_spies(info);
LIST_FOR_EACH_ENTRY_SAFE(cursor, next, &info->spies, struct init_spy, entry)
{
if (cursor->spy) IInitializeSpy_PreUninitialize(cursor->spy, info->inits);
}
unlock_init_spies(info);
/* sanity check */
if (!info->inits)
{
ERR("Mismatched CoUninitialize\n");
lock_init_spies(info);
LIST_FOR_EACH_ENTRY_SAFE(cursor, next, &info->spies, struct init_spy, entry)
{
if (cursor->spy) IInitializeSpy_PostUninitialize(cursor->spy, info->inits);
}
unlock_init_spies(info);
return;
}
leave_apartment( info );
/*
* Decrease the reference count.
* If we are back to 0 locks on the COM library, make sure we free
* all the associated data structures.
*/
lCOMRefCnt = InterlockedExchangeAdd(&s_COMLockCount,-1);
if (lCOMRefCnt==1)
{
TRACE("() - Releasing the COM libraries\n");
revoke_registered_psclsids();
RunningObjectTableImpl_UnInitialize();
}
else if (lCOMRefCnt<1) {
ERR( "CoUninitialize() - not CoInitialized.\n" );
InterlockedExchangeAdd(&s_COMLockCount,1); /* restore the lock count. */
}
lock_init_spies(info);
LIST_FOR_EACH_ENTRY(cursor, &info->spies, struct init_spy, entry)
{
if (cursor->spy) IInitializeSpy_PostUninitialize(cursor->spy, info->inits);
}
unlock_init_spies(info);
}
/******************************************************************************
* CoDisconnectObject [OLE32.@]
*
* Disconnects all connections to this object from remote processes. Dispatches
* pending RPCs while blocking new RPCs from occurring, and then calls
* IMarshal::DisconnectObject on the given object.
*
* Typically called when the object server is forced to shut down, for instance by
* the user.
*
* 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
*/
HRESULT WINAPI CoDisconnectObject( LPUNKNOWN lpUnk, DWORD reserved )
{
struct stub_manager *manager;
HRESULT hr;
IMarshal *marshal;
APARTMENT *apt;
TRACE("(%p, 0x%08x)\n", lpUnk, reserved);
if (!lpUnk) return E_INVALIDARG;
hr = IUnknown_QueryInterface(lpUnk, &IID_IMarshal, (void **)&marshal);
if (hr == S_OK)
{
hr = IMarshal_DisconnectObject(marshal, reserved);
IMarshal_Release(marshal);
return hr;
}
if (!(apt = apartment_get_current_or_mta()))
{
ERR("apartment not initialised\n");
return CO_E_NOTINITIALIZED;
}
manager = get_stub_manager_from_object(apt, lpUnk, FALSE);
if (manager) {
stub_manager_disconnect(manager);
/* Release stub manager twice, to remove the apartment reference. */
stub_manager_int_release(manager);
stub_manager_int_release(manager);
}
/* 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 */
apartment_release(apt);
return S_OK;
}
/* open HKCR\\CLSID\\{string form of clsid}\\{keyname} key */
HRESULT COM_OpenKeyForCLSID(REFCLSID clsid, LPCWSTR keyname, REGSAM access, HKEY *subkey)
{
static const WCHAR wszCLSIDSlash[] = {'C','L','S','I','D','\\',0};
WCHAR path[CHARS_IN_GUID + ARRAY_SIZE(wszCLSIDSlash) - 1];
LONG res;
HKEY key;
lstrcpyW(path, wszCLSIDSlash);
StringFromGUID2(clsid, path + lstrlenW(wszCLSIDSlash), CHARS_IN_GUID);
res = open_classes_key(HKEY_CLASSES_ROOT, path, 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 = open_classes_key(key, keyname, access, subkey);
RegCloseKey(key);
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[ARRAY_SIZE(szAppIdKey) + CHARS_IN_GUID];
DWORD size;
HKEY hkey;
DWORD type;
HRESULT hr;
/* read the AppID value under the class's key */
hr = COM_OpenKeyForCLSID(clsid, NULL, KEY_READ, &hkey);
if (FAILED(hr))
return hr;
size = sizeof(buf);
res = RegQueryValueExW(hkey, szAppId, NULL, &type, (LPBYTE)buf, &size);
RegCloseKey(hkey);
if (res == ERROR_FILE_NOT_FOUND)
return REGDB_E_KEYMISSING;
else if (res != ERROR_SUCCESS || type!=REG_SZ)
return REGDB_E_READREGDB;
lstrcpyW(keyname, szAppIdKey);
lstrcatW(keyname, buf);
res = open_classes_key(HKEY_CLASSES_ROOT, keyname, access, subkey);
if (res == ERROR_FILE_NOT_FOUND)
return REGDB_E_KEYMISSING;
else if (res != ERROR_SUCCESS)
return REGDB_E_READREGDB;
return S_OK;
}
static HRESULT get_ps_clsid_from_registry(const WCHAR* path, REGSAM access, CLSID *pclsid)
{
HKEY hkey;
WCHAR value[CHARS_IN_GUID];
DWORD len;
access |= KEY_READ;
if (open_classes_key(HKEY_CLASSES_ROOT, path, access, &hkey))
return REGDB_E_IIDNOTREG;
len = sizeof(value);
if (ERROR_SUCCESS != RegQueryValueExW(hkey, NULL, NULL, NULL, (BYTE *)value, &len))
return REGDB_E_IIDNOTREG;
RegCloseKey(hkey);
if (CLSIDFromString(value, pclsid) != NOERROR)
return REGDB_E_IIDNOTREG;
return S_OK;
}
/*****************************************************************************
* CoGetPSClsid [OLE32.@]
*
* Retrieves the CLSID of the proxy/stub factory that implements
* IPSFactoryBuffer for the specified interface.
*
* 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
* REGDB_E_IIDNOTREG if no PSFactoryBuffer is associated with the IID, or it could not be parsed
*
* NOTES
*
* 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.
*
* CoGetPSClsid determines this CLSID by searching the
* HKEY_CLASSES_ROOT\Interface\{string form of riid}\ProxyStubClsid32
* in the registry and any interface id registered by
* CoRegisterPSClsid within the current process.
*
* BUGS
*
* Native returns S_OK for interfaces with a key in HKCR\Interface, but
* without a ProxyStubClsid32 key and leaves garbage in pclsid. This should be
* considered a bug in native unless an application depends on this (unlikely).
*
* SEE ALSO
* CoRegisterPSClsid.
*/
HRESULT WINAPI CoGetPSClsid(REFIID riid, CLSID *pclsid)
{
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[ARRAY_SIZE(wszInterface) - 1 + CHARS_IN_GUID - 1 + ARRAY_SIZE(wszPSC)];
APARTMENT *apt;
struct registered_psclsid *registered_psclsid;
ACTCTX_SECTION_KEYED_DATA data;
HRESULT hr;
REGSAM opposite = (sizeof(void*) > sizeof(int)) ? KEY_WOW64_32KEY : KEY_WOW64_64KEY;
BOOL is_wow64;
TRACE("() riid=%s, pclsid=%p\n", debugstr_guid(riid), pclsid);
if (!(apt = apartment_get_current_or_mta()))
{
ERR("apartment not initialised\n");
return CO_E_NOTINITIALIZED;
}
apartment_release(apt);
if (!pclsid)
return E_INVALIDARG;
EnterCriticalSection(&cs_registered_psclsid_list);
LIST_FOR_EACH_ENTRY(registered_psclsid, &registered_psclsid_list, struct registered_psclsid, entry)
if (IsEqualIID(&registered_psclsid->iid, riid))
{
*pclsid = registered_psclsid->clsid;
LeaveCriticalSection(&cs_registered_psclsid_list);
return S_OK;
}
LeaveCriticalSection(&cs_registered_psclsid_list);
data.cbSize = sizeof(data);
if (FindActCtxSectionGuid(0, NULL, ACTIVATION_CONTEXT_SECTION_COM_INTERFACE_REDIRECTION,
riid, &data))
{
struct ifacepsredirect_data *ifaceps = (struct ifacepsredirect_data*)data.lpData;
*pclsid = ifaceps->iid;
return S_OK;
}
/* Interface\\{string form of riid}\\ProxyStubClsid32 */
lstrcpyW(path, wszInterface);
StringFromGUID2(riid, path + ARRAY_SIZE(wszInterface) - 1, CHARS_IN_GUID);
lstrcpyW(path + ARRAY_SIZE(wszInterface) - 1 + CHARS_IN_GUID - 1, wszPSC);
hr = get_ps_clsid_from_registry(path, 0, pclsid);
if (FAILED(hr) && (opposite == KEY_WOW64_32KEY ||
(IsWow64Process(GetCurrentProcess(), &is_wow64) && is_wow64)))
hr = get_ps_clsid_from_registry(path, opposite, pclsid);
if (hr == S_OK)
TRACE ("() Returning CLSID=%s\n", debugstr_guid(pclsid));
else
WARN("No PSFactoryBuffer object is registered for IID %s\n", debugstr_guid(riid));
return hr;
}
/*****************************************************************************
* 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
*
* Unlike CoRegisterClassObject(), CLSIDs registered with CoRegisterPSClsid()
* will be returned from other apartments in the same process.
*
* 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;
struct registered_psclsid *registered_psclsid;
TRACE("(%s, %s)\n", debugstr_guid(riid), debugstr_guid(rclsid));
if (!(apt = apartment_get_current_or_mta()))
{
ERR("apartment not initialised\n");
return CO_E_NOTINITIALIZED;
}
apartment_release(apt);
EnterCriticalSection(&cs_registered_psclsid_list);
LIST_FOR_EACH_ENTRY(registered_psclsid, &registered_psclsid_list, struct registered_psclsid, entry)
if (IsEqualIID(&registered_psclsid->iid, riid))
{
registered_psclsid->clsid = *rclsid;
LeaveCriticalSection(&cs_registered_psclsid_list);
return S_OK;
}
registered_psclsid = HeapAlloc(GetProcessHeap(), 0, sizeof(struct registered_psclsid));
if (!registered_psclsid)
{
LeaveCriticalSection(&cs_registered_psclsid_list);
return E_OUTOFMEMORY;
}
registered_psclsid->iid = *riid;
registered_psclsid->clsid = *rclsid;
list_add_head(&registered_psclsid_list, &registered_psclsid->entry);
LeaveCriticalSection(&cs_registered_psclsid_list);
return S_OK;
}
/***
* COM_GetRegisteredClassObject
*
* This internal method is used to scan the registered class list to
* find a class object.
*
* Params:
* rclsid Class ID of the class to find.
* dwClsContext Class context to match.
* ppv [out] returns a pointer to the class object. Complying
* to normal COM usage, this method will increase the
* reference count on this object.
*/
static HRESULT COM_GetRegisteredClassObject(const struct apartment *apt, REFCLSID rclsid,
DWORD dwClsContext, LPUNKNOWN* ppUnk)
{
HRESULT hr = S_FALSE;
RegisteredClass *curClass;
EnterCriticalSection( &csRegisteredClassList );
LIST_FOR_EACH_ENTRY(curClass, &RegisteredClassList, RegisteredClass, entry)
{
/*
* Check if we have a match on the class ID and context.
*/
if ((apt->oxid == curClass->apartment_id) &&
(dwClsContext & curClass->runContext) &&
IsEqualGUID(&(curClass->classIdentifier), rclsid))
{
/*
* We have a match, return the pointer to the class object.
*/
*ppUnk = curClass->classObject;
IUnknown_AddRef(curClass->classObject);
hr = S_OK;
break;
}
}
LeaveCriticalSection( &csRegisteredClassList );
return hr;
}
/******************************************************************************
* CoRegisterClassObject [OLE32.@]
*
* 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.
*
* 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.
*
* RETURNS
* S_OK on success,
* E_INVALIDARG if lpdwRegister or pUnk are NULL,
* CO_E_OBJISREG if the object is already registered. We should not return this.
*
* SEE ALSO
* CoRevokeClassObject, CoGetClassObject
*
* NOTES
* In-process objects are only registered for the current apartment.
* CoGetClassObject() and CoCreateInstance() will not return objects registered
* in other apartments.
*
* BUGS
* MSDN claims that multiple interface registrations are legal, but we
* can't do that with our current implementation.
*/
HRESULT WINAPI CoRegisterClassObject(
REFCLSID rclsid,
LPUNKNOWN pUnk,
DWORD dwClsContext,
DWORD flags,
LPDWORD lpdwRegister)
{
static LONG next_cookie;
RegisteredClass* newClass;
LPUNKNOWN foundObject;
HRESULT hr;
APARTMENT *apt;
TRACE("(%s,%p,0x%08x,0x%08x,%p)\n",
debugstr_guid(rclsid),pUnk,dwClsContext,flags,lpdwRegister);
if ( (lpdwRegister==0) || (pUnk==0) )
return E_INVALIDARG;
if (!(apt = apartment_get_current_or_mta()))
{
ERR("COM was not initialized\n");
return CO_E_NOTINITIALIZED;
}
*lpdwRegister = 0;
/* 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;
/*
* First, check if the class is already registered.
* If it is, this should cause an error.
*/
hr = COM_GetRegisteredClassObject(apt, rclsid, dwClsContext, &foundObject);
if (hr == S_OK) {
if (flags & REGCLS_MULTIPLEUSE) {
if (dwClsContext & CLSCTX_LOCAL_SERVER)
hr = CoLockObjectExternal(foundObject, TRUE, FALSE);
IUnknown_Release(foundObject);
apartment_release(apt);
return hr;
}
IUnknown_Release(foundObject);
ERR("object already registered for class %s\n", debugstr_guid(rclsid));
apartment_release(apt);
return CO_E_OBJISREG;
}
newClass = HeapAlloc(GetProcessHeap(), 0, sizeof(RegisteredClass));
if ( newClass == NULL )
{
apartment_release(apt);
return E_OUTOFMEMORY;
}
newClass->classIdentifier = *rclsid;
newClass->apartment_id = apt->oxid;
newClass->runContext = dwClsContext;
newClass->connectFlags = flags;
newClass->RpcRegistration = NULL;
if (!(newClass->dwCookie = InterlockedIncrement( &next_cookie )))
newClass->dwCookie = InterlockedIncrement( &next_cookie );
/*
* Since we're making a copy of the object pointer, we have to increase its
* reference count.
*/
newClass->classObject = pUnk;
IUnknown_AddRef(newClass->classObject);
EnterCriticalSection( &csRegisteredClassList );
list_add_tail(&RegisteredClassList, &newClass->entry);
LeaveCriticalSection( &csRegisteredClassList );
*lpdwRegister = newClass->dwCookie;
if (dwClsContext & CLSCTX_LOCAL_SERVER) {
IStream *marshal_stream;
hr = get_local_server_stream(apt, &marshal_stream);
if(FAILED(hr))
{
apartment_release(apt);
return hr;
}
hr = RPC_StartLocalServer(&newClass->classIdentifier,
marshal_stream,
flags & (REGCLS_MULTIPLEUSE|REGCLS_MULTI_SEPARATE),
&newClass->RpcRegistration);
IStream_Release(marshal_stream);
}
apartment_release(apt);
return S_OK;
}
static enum comclass_threadingmodel get_threading_model(const struct class_reg_data *data)
{
if (data->origin == CLASS_REG_REGISTRY)
{
static const WCHAR wszThreadingModel[] = {'T','h','r','e','a','d','i','n','g','M','o','d','e','l',0};
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 /* lstrlenW(L"apartment")+1 */];
DWORD dwLength = sizeof(threading_model);
DWORD keytype;
DWORD ret;
ret = RegQueryValueExW(data->u.hkey, wszThreadingModel, NULL, &keytype, (BYTE*)threading_model, &dwLength);
if ((ret != ERROR_SUCCESS) || (keytype != REG_SZ))
threading_model[0] = '\0';
if (!wcsicmp(threading_model, wszApartment)) return ThreadingModel_Apartment;
if (!wcsicmp(threading_model, wszFree)) return ThreadingModel_Free;
if (!wcsicmp(threading_model, wszBoth)) return ThreadingModel_Both;
/* there's not specific handling for this case */
if (threading_model[0]) return ThreadingModel_Neutral;
return ThreadingModel_No;
}
else
return data->u.actctx.threading_model;
}
static HRESULT get_inproc_class_object(APARTMENT *apt, const struct class_reg_data *regdata,
REFCLSID rclsid, REFIID riid,
BOOL hostifnecessary, void **ppv)
{
WCHAR dllpath[MAX_PATH+1];
BOOL apartment_threaded;
if (hostifnecessary)
{
enum comclass_threadingmodel model = get_threading_model(regdata);
if (model == ThreadingModel_Apartment)
{
apartment_threaded = TRUE;
if (apt->multi_threaded)
return apartment_hostobject_in_hostapt(apt, FALSE, FALSE, regdata, rclsid, riid, ppv);
}
else if (model == ThreadingModel_Free)
{
apartment_threaded = FALSE;
if (!apt->multi_threaded)
return apartment_hostobject_in_hostapt(apt, TRUE, FALSE, regdata, rclsid, riid, ppv);
}
/* everything except "Apartment", "Free" and "Both" */
else if (model != ThreadingModel_Both)
{
apartment_threaded = TRUE;
/* everything else is main-threaded */
if (model != ThreadingModel_No)
FIXME("unrecognised threading model %d for object %s, should be main-threaded?\n", model, debugstr_guid(rclsid));
if (apt->multi_threaded || !apt->main)
return apartment_hostobject_in_hostapt(apt, FALSE, TRUE, regdata, rclsid, riid, ppv);
}
else
apartment_threaded = FALSE;
}
else
apartment_threaded = !apt->multi_threaded;
if (!get_object_dll_path(regdata, dllpath, ARRAY_SIZE(dllpath)))
{
/* failure: CLSID is not found in registry */
WARN("class %s not registered inproc\n", debugstr_guid(rclsid));
return REGDB_E_CLASSNOTREG;
}
return apartment_getclassobject(apt, dllpath, apartment_threaded,
rclsid, riid, ppv);
}
/***********************************************************************
* CoGetClassObject [OLE32.@]
*
* 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()
*/
HRESULT WINAPI DECLSPEC_HOTPATCH CoGetClassObject(
REFCLSID rclsid, DWORD dwClsContext, COSERVERINFO *pServerInfo,
REFIID iid, LPVOID *ppv)
{
struct class_reg_data clsreg = { 0 };
IUnknown *regClassObject;
HRESULT hres = E_UNEXPECTED;
APARTMENT *apt;
TRACE("CLSID: %s,IID: %s\n", debugstr_guid(rclsid), debugstr_guid(iid));
if (!ppv)
return E_INVALIDARG;
*ppv = NULL;
if (!(apt = apartment_get_current_or_mta()))
{
ERR("apartment not initialised\n");
return CO_E_NOTINITIALIZED;
}
if (pServerInfo) {
FIXME("pServerInfo->name=%s pAuthInfo=%p\n",
debugstr_w(pServerInfo->pwszName), pServerInfo->pAuthInfo);
}
if (CLSCTX_INPROC_SERVER & dwClsContext)
{
if (IsEqualCLSID(rclsid, &CLSID_InProcFreeMarshaler) ||
IsEqualCLSID(rclsid, &CLSID_GlobalOptions) ||
IsEqualCLSID(rclsid, &CLSID_ManualResetEvent) ||
IsEqualCLSID(rclsid, &CLSID_StdGlobalInterfaceTable))
{
apartment_release(apt);
return Ole32DllGetClassObject(rclsid, iid, ppv);
}
}
if (CLSCTX_INPROC & dwClsContext)
{
ACTCTX_SECTION_KEYED_DATA data;
data.cbSize = sizeof(data);
/* search activation context first */
if (FindActCtxSectionGuid(FIND_ACTCTX_SECTION_KEY_RETURN_HACTCTX, NULL,
ACTIVATION_CONTEXT_SECTION_COM_SERVER_REDIRECTION,
rclsid, &data))
{
struct comclassredirect_data *comclass = (struct comclassredirect_data*)data.lpData;
clsreg.u.actctx.module_name = (WCHAR *)((BYTE *)data.lpSectionBase + comclass->name_offset);
clsreg.u.actctx.hactctx = data.hActCtx;
clsreg.u.actctx.threading_model = comclass->model;
clsreg.origin = CLASS_REG_ACTCTX;
hres = get_inproc_class_object(apt, &clsreg, &comclass->clsid, iid, !(dwClsContext & WINE_CLSCTX_DONT_HOST), ppv);
ReleaseActCtx(data.hActCtx);
apartment_release(apt);
return hres;
}
}
/*
* First, try and see if we can't match the class ID with one of the
* registered classes.
*/
if (S_OK == COM_GetRegisteredClassObject(apt, rclsid, dwClsContext,
&regClassObject))
{
/* Get the required interface from the retrieved pointer. */
hres = IUnknown_QueryInterface(regClassObject, iid, ppv);
/*
* Since QI got another reference on the pointer, we want to release the
* one we already have. If QI was unsuccessful, this will release the object. This
* is good since we are not returning it in the "out" parameter.
*/
IUnknown_Release(regClassObject);
apartment_release(apt);
return hres;
}
/* First try in-process server */
if (CLSCTX_INPROC_SERVER & dwClsContext)
{
static const WCHAR wszInprocServer32[] = {'I','n','p','r','o','c','S','e','r','v','e','r','3','2',0};
HKEY hkey;
hres = COM_OpenKeyForCLSID(rclsid, wszInprocServer32, KEY_READ, &hkey);
if (FAILED(hres))
{
if (hres == REGDB_E_CLASSNOTREG)
ERR("class %s not registered\n", debugstr_guid(rclsid));
else if (hres == REGDB_E_KEYMISSING)
{
WARN("class %s not registered as in-proc server\n", debugstr_guid(rclsid));
hres = REGDB_E_CLASSNOTREG;
}
}
if (SUCCEEDED(hres))
{
clsreg.u.hkey = hkey;
clsreg.origin = CLASS_REG_REGISTRY;
hres = get_inproc_class_object(apt, &clsreg, rclsid, iid, !(dwClsContext & WINE_CLSCTX_DONT_HOST), ppv);
RegCloseKey(hkey);
}
/* return if we got a class, otherwise fall through to one of the
* other types */
if (SUCCEEDED(hres))
{
apartment_release(apt);
return hres;
}
}
/* 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));
else if (hres == REGDB_E_KEYMISSING)
{
WARN("class %s not registered in-proc handler\n", debugstr_guid(rclsid));
hres = REGDB_E_CLASSNOTREG;
}
}
if (SUCCEEDED(hres))
{
clsreg.u.hkey = hkey;
clsreg.origin = CLASS_REG_REGISTRY;
hres = get_inproc_class_object(apt, &clsreg, rclsid, iid, !(dwClsContext & WINE_CLSCTX_DONT_HOST), ppv);
RegCloseKey(hkey);
}
/* return if we got a class, otherwise fall through to one of the
* other types */
if (SUCCEEDED(hres))
{
apartment_release(apt);
return hres;
}
}
apartment_release(apt);
/* Next try out of process */
if (CLSCTX_LOCAL_SERVER & dwClsContext)
{
hres = RPC_GetLocalClassObject(rclsid,iid,ppv);
if (SUCCEEDED(hres))
return hres;
}
/* Finally try remote: this requires networked DCOM (a lot of work) */
if (CLSCTX_REMOTE_SERVER & dwClsContext)
{
FIXME ("CLSCTX_REMOTE_SERVER not supported\n");
hres = REGDB_E_CLASSNOTREG;
}
if (FAILED(hres))
ERR("no class object %s could be created for context 0x%x\n",
debugstr_guid(rclsid), dwClsContext);
return hres;
}
/***********************************************************************
* CoResumeClassObjects (OLE32.@)
*
* Resumes all class objects registered with REGCLS_SUSPENDED.
*
* RETURNS
* Success: S_OK.
* Failure: HRESULT code.
*/
HRESULT WINAPI CoResumeClassObjects(void)
{
FIXME("stub\n");
return S_OK;
}
/***********************************************************************
* CoLoadLibrary (OLE32.@)
*
* 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
*/
HINSTANCE WINAPI CoLoadLibrary(LPOLESTR lpszLibName, BOOL bAutoFree)
{
TRACE("(%s, %d)\n", debugstr_w(lpszLibName), bAutoFree);
return LoadLibraryExW(lpszLibName, 0, LOAD_WITH_ALTERED_SEARCH_PATH);
}
/***********************************************************************
* CoFreeLibrary [OLE32.@]
*
* Unloads a library from memory.
*
* PARAMS
* hLibrary [I] Handle to library to unload.
*
* RETURNS
* Nothing
*
* SEE ALSO
* CoLoadLibrary, CoFreeAllLibraries, CoFreeUnusedLibraries
*/
void WINAPI CoFreeLibrary(HINSTANCE hLibrary)
{
FreeLibrary(hLibrary);
}
/***********************************************************************
* CoFreeAllLibraries [OLE32.@]
*
* Function for backwards compatibility only. Does nothing.
*
* RETURNS
* Nothing.
*
* SEE ALSO
* CoLoadLibrary, CoFreeLibrary, CoFreeUnusedLibraries
*/
void WINAPI CoFreeAllLibraries(void)
{
/* NOP */
}
/***********************************************************************
* CoFreeUnusedLibrariesEx [OLE32.@]
*
* 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.
*
* RETURNS
* Nothing.
*
* SEE ALSO
* CoLoadLibrary, CoFreeAllLibraries, CoFreeLibrary
*/
void WINAPI DECLSPEC_HOTPATCH CoFreeUnusedLibrariesEx(DWORD dwUnloadDelay, DWORD dwReserved)
{
struct apartment *apt = COM_CurrentApt();
if (!apt)
{
ERR("apartment not initialised\n");
return;
}
apartment_freeunusedlibraries(apt, dwUnloadDelay);
}
/******************************************************************************
* CoLockObjectExternal [OLE32.@]
*
* 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.
*
* 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.
*/
HRESULT WINAPI CoLockObjectExternal(
LPUNKNOWN pUnk,
BOOL fLock,
BOOL fLastUnlockReleases)
{
struct stub_manager *stubmgr;
struct apartment *apt;
TRACE("pUnk=%p, fLock=%s, fLastUnlockReleases=%s\n",
pUnk, fLock ? "TRUE" : "FALSE", fLastUnlockReleases ? "TRUE" : "FALSE");
if (!(apt = apartment_get_current_or_mta()))
{
ERR("apartment not initialised\n");
return CO_E_NOTINITIALIZED;
}
stubmgr = get_stub_manager_from_object(apt, pUnk, fLock);
if (!stubmgr)
{
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 */
apartment_release(apt);
return S_OK;
}
if (fLock)
stub_manager_ext_addref(stubmgr, 1, FALSE);
else
stub_manager_ext_release(stubmgr, 1, FALSE, fLastUnlockReleases);
stub_manager_int_release(stubmgr);
apartment_release(apt);
return S_OK;
}
/***********************************************************************
* CoInitializeWOW (OLE32.@)
*
* WOW equivalent of CoInitialize?
*
* PARAMS
* x [I] Unknown.
* y [I] Unknown.
*
* RETURNS
* Unknown.
*/
HRESULT WINAPI CoInitializeWOW(DWORD x,DWORD y)
{
FIXME("(0x%08x,0x%08x),stub!\n",x,y);
return 0;
}
/***********************************************************************
* CoGetState [OLE32.@]
*
* 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().
*/
HRESULT WINAPI CoGetState(IUnknown ** ppv)
{
struct oletls *info = COM_CurrentInfo();
if (!info) return E_OUTOFMEMORY;
*ppv = NULL;
if (info->state)
{
IUnknown_AddRef(info->state);
*ppv = info->state;
TRACE("apt->state=%p\n", info->state);
}
return S_OK;
}
/***********************************************************************
* CoSetState [OLE32.@]
*
* 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.
*/
HRESULT WINAPI CoSetState(IUnknown * pv)
{
struct oletls *info = COM_CurrentInfo();
if (!info) return E_OUTOFMEMORY;
if (pv) IUnknown_AddRef(pv);
if (info->state)
{
TRACE("-- release %p now\n", info->state);
IUnknown_Release(info->state);
}
info->state = pv;
return S_OK;
}
/******************************************************************************
* CoTreatAsClass [OLE32.@]
*
* 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
*/
HRESULT WINAPI CoTreatAsClass(REFCLSID clsidOld, REFCLSID clsidNew)
{
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];
HRESULT res = S_OK;
WCHAR auto_treat_as[CHARS_IN_GUID];
LONG auto_treat_as_size = sizeof(auto_treat_as);
CLSID id;
res = COM_OpenKeyForCLSID(clsidOld, NULL, KEY_READ | KEY_WRITE, &hkey);
if (FAILED(res))
goto done;
if (IsEqualGUID( clsidOld, clsidNew ))
{
if (!RegQueryValueW(hkey, wszAutoTreatAs, auto_treat_as, &auto_treat_as_size) &&
CLSIDFromString(auto_treat_as, &id) == S_OK)
{
if (RegSetValueW(hkey, wszTreatAs, REG_SZ, auto_treat_as, sizeof(auto_treat_as)))
{
res = REGDB_E_WRITEREGDB;
goto done;
}
}
else
{
if(RegDeleteKeyW(hkey, wszTreatAs))
res = REGDB_E_WRITEREGDB;
goto done;
}
}
else
{
if(IsEqualGUID(clsidNew, &CLSID_NULL)){
RegDeleteKeyW(hkey, wszTreatAs);
}else{
if(!StringFromGUID2(clsidNew, szClsidNew, ARRAY_SIZE(szClsidNew))){
WARN("StringFromGUID2 failed\n");
res = E_FAIL;
goto done;
}
if(RegSetValueW(hkey, wszTreatAs, REG_SZ, szClsidNew, sizeof(szClsidNew)) != ERROR_SUCCESS){
WARN("RegSetValue failed\n");
res = REGDB_E_WRITEREGDB;
goto done;
}
}
}
done:
if (hkey) RegCloseKey(hkey);
return res;
}
/******************************************************************************
* CoGetCurrentProcess [OLE32.@]
*/
DWORD WINAPI CoGetCurrentProcess(void)
{
struct oletls *info = COM_CurrentInfo();
if (!info)
return 0;
if (!info->thread_seqid)
info->thread_seqid = rpcss_get_next_seqid();
return info->thread_seqid;
}
/***********************************************************************
* CoGetCurrentLogicalThreadId [OLE32.@]
*/
HRESULT WINAPI CoGetCurrentLogicalThreadId(GUID *id)
{
TRACE("(%p)\n", id);
if (!id)
return E_INVALIDARG;
*id = COM_CurrentCausalityId();
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;
}
/***********************************************************************
* IsEqualGUID [OLE32.@]
*
* Compares two Unique Identifiers.
*
* PARAMS
* rguid1 [I] The first GUID to compare.
* rguid2 [I] The other GUID to compare.
*
* RETURNS
* TRUE if equal
*/
#undef IsEqualGUID
BOOL WINAPI IsEqualGUID(
REFGUID rguid1,
REFGUID rguid2)
{
return !memcmp(rguid1,rguid2,sizeof(GUID));
}
/***********************************************************************
* CoSuspendClassObjects [OLE32.@]
*
* Suspends all registered class objects to prevent further requests coming in
* for those objects.
*
* RETURNS
* Success: S_OK.
* Failure: HRESULT code.
*/
HRESULT WINAPI CoSuspendClassObjects(void)
{
FIXME("\n");
return S_OK;
}
/***********************************************************************
* CoAddRefServerProcess [OLE32.@]
*
* Helper function for incrementing the reference count of a local-server
* process.
*
* RETURNS
* New reference count.
*
* SEE ALSO
* CoReleaseServerProcess().
*/
ULONG WINAPI CoAddRefServerProcess(void)
{
ULONG refs;
TRACE("\n");
EnterCriticalSection(&csRegisteredClassList);
refs = ++s_COMServerProcessReferences;
LeaveCriticalSection(&csRegisteredClassList);
TRACE("refs before: %d\n", refs - 1);
return refs;
}
/***********************************************************************
* CoReleaseServerProcess [OLE32.@]
*
* Helper function for decrementing the reference count of a local-server
* process.
*
* RETURNS
* New reference count.
*
* NOTES
* When reference count reaches 0, this function suspends all registered
* classes so no new connections are accepted.
*
* SEE ALSO
* CoAddRefServerProcess(), CoSuspendClassObjects().
*/
ULONG WINAPI CoReleaseServerProcess(void)
{
ULONG refs;
TRACE("\n");
EnterCriticalSection(&csRegisteredClassList);
refs = --s_COMServerProcessReferences;
/* FIXME: if (!refs) COM_SuspendClassObjects(); */
LeaveCriticalSection(&csRegisteredClassList);
TRACE("refs after: %d\n", refs);
return refs;
}
/***********************************************************************
* 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;
}
/***********************************************************************
* CoAllowSetForegroundWindow [OLE32.@]
*
*/
HRESULT WINAPI CoAllowSetForegroundWindow(IUnknown *pUnk, void *pvReserved)
{
FIXME("(%p, %p): stub\n", pUnk, pvReserved);
return S_OK;
}
/***********************************************************************
* CoGetObject [OLE32.@]
*
* Gets the object named by converting the name to a moniker and binding to it.
*
* 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 object.
* 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;
}
/***********************************************************************
* 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);
}
typedef struct Context
{
IComThreadingInfo IComThreadingInfo_iface;
IContextCallback IContextCallback_iface;
IObjContext IObjContext_iface;
LONG refs;
} Context;
static inline Context *impl_from_IComThreadingInfo( IComThreadingInfo *iface )
{
return CONTAINING_RECORD(iface, Context, IComThreadingInfo_iface);
}
static inline Context *impl_from_IContextCallback( IContextCallback *iface )
{
return CONTAINING_RECORD(iface, Context, IContextCallback_iface);
}
static inline Context *impl_from_IObjContext( IObjContext *iface )
{
return CONTAINING_RECORD(iface, Context, IObjContext_iface);
}
static HRESULT Context_QueryInterface(Context *iface, REFIID riid, LPVOID *ppv)
{
*ppv = NULL;
if (IsEqualIID(riid, &IID_IComThreadingInfo) ||
IsEqualIID(riid, &IID_IUnknown))
{
*ppv = &iface->IComThreadingInfo_iface;
}
else if (IsEqualIID(riid, &IID_IContextCallback))
{
*ppv = &iface->IContextCallback_iface;
}
else if (IsEqualIID(riid, &IID_IObjContext))
{
*ppv = &iface->IObjContext_iface;
}
if (*ppv)
{
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
FIXME("interface not implemented %s\n", debugstr_guid(riid));
return E_NOINTERFACE;
}
static ULONG Context_AddRef(Context *This)
{
return InterlockedIncrement(&This->refs);
}
static ULONG Context_Release(Context *This)
{
/* Context instance is initially created with CoGetContextToken() with refcount set to 0,
releasing context while refcount is at 0 destroys it. */
if (!This->refs)
{
HeapFree(GetProcessHeap(), 0, This);
return 0;
}
return InterlockedDecrement(&This->refs);
}
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)
{
APTTYPEQUALIFIER qualifier;
TRACE("(%p)\n", apttype);
return CoGetApartmentType(apttype, &qualifier);
}
static HRESULT WINAPI Context_CTI_GetCurrentThreadType(IComThreadingInfo *iface, THDTYPE *thdtype)
{
APTTYPEQUALIFIER qualifier;
APTTYPE apttype;
HRESULT hr;
hr = CoGetApartmentType(&apttype, &qualifier);
if (FAILED(hr))
return hr;
TRACE("(%p)\n", thdtype);
switch (apttype)
{
case APTTYPE_STA:
case APTTYPE_MAINSTA:
*thdtype = THDTYPE_PROCESSMESSAGES;
break;
default:
*thdtype = THDTYPE_BLOCKMESSAGES;
break;
}
return S_OK;
}
static HRESULT WINAPI Context_CTI_GetCurrentLogicalThreadId(IComThreadingInfo *iface, GUID *logical_thread_id)
{
TRACE("(%p)\n", logical_thread_id);
return CoGetCurrentLogicalThreadId(logical_thread_id);
}
static HRESULT WINAPI Context_CTI_SetCurrentLogicalThreadId(IComThreadingInfo *iface, REFGUID logical_thread_id)
{
FIXME("(%s): stub\n", debugstr_guid(logical_thread_id));
return E_NOTIMPL;
}
static const IComThreadingInfoVtbl Context_Threading_Vtbl =
{
Context_CTI_QueryInterface,
Context_CTI_AddRef,
Context_CTI_Release,
Context_CTI_GetCurrentApartmentType,
Context_CTI_GetCurrentThreadType,
Context_CTI_GetCurrentLogicalThreadId,
Context_CTI_SetCurrentLogicalThreadId
};
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
};
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
};
/***********************************************************************
* CoGetContextToken [OLE32.@]
*/
HRESULT WINAPI CoGetContextToken( ULONG_PTR *token )
{
struct oletls *info = COM_CurrentInfo();
APARTMENT *apt;
TRACE("(%p)\n", token);
if (!info)
return E_OUTOFMEMORY;
if (!(apt = apartment_get_current_or_mta()))
{
ERR("apartment not initialised\n");
return CO_E_NOTINITIALIZED;
}
apartment_release(apt);
if (!token)
return E_POINTER;
if (!info->context_token)
{
Context *context;
context = HeapAlloc(GetProcessHeap(), 0, sizeof(*context));
if (!context)
return E_OUTOFMEMORY;
context->IComThreadingInfo_iface.lpVtbl = &Context_Threading_Vtbl;
context->IContextCallback_iface.lpVtbl = &Context_Callback_Vtbl;
context->IObjContext_iface.lpVtbl = &Context_Object_Vtbl;
/* Context token does not take a reference, it's always zero until the
interface is explicitly requested with CoGetObjectContext(). */
context->refs = 0;
info->context_token = &context->IObjContext_iface;
}
*token = (ULONG_PTR)info->context_token;
TRACE("context_token=%p\n", info->context_token);
return S_OK;
}
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))
{
struct class_reg_data regdata;
WCHAR dllpath[MAX_PATH+1];
regdata.u.hkey = hkey;
regdata.origin = CLASS_REG_REGISTRY;
if (get_object_dll_path(&regdata, dllpath, ARRAY_SIZE(dllpath)))
{
static const WCHAR wszOle32[] = {'o','l','e','3','2','.','d','l','l',0};
if (!wcsicmp(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;
}
/***********************************************************************
* CoGetApartmentType [OLE32.@]
*/
HRESULT WINAPI CoGetApartmentType(APTTYPE *type, APTTYPEQUALIFIER *qualifier)
{
struct oletls *info = COM_CurrentInfo();
APARTMENT *apt;
TRACE("(%p, %p)\n", type, qualifier);
if (!type || !qualifier)
return E_INVALIDARG;
if (!info)
return E_OUTOFMEMORY;
if (!info->apt)
*type = APTTYPE_CURRENT;
else if (info->apt->multi_threaded)
*type = APTTYPE_MTA;
else if (info->apt->main)
*type = APTTYPE_MAINSTA;
else
*type = APTTYPE_STA;
*qualifier = APTTYPEQUALIFIER_NONE;
if (!info->apt && (apt = apartment_find_mta()))
{
apartment_release(apt);
*type = APTTYPE_MTA;
*qualifier = APTTYPEQUALIFIER_IMPLICIT_MTA;
return S_OK;
}
return info->apt ? S_OK : CO_E_NOTINITIALIZED;
}
struct mta_cookie
{
struct list entry;
};
/***********************************************************************
* CoIncrementMTAUsage [OLE32.@]
*/
HRESULT WINAPI CoIncrementMTAUsage(CO_MTA_USAGE_COOKIE *cookie)
{
struct mta_cookie *mta_cookie;
TRACE("%p\n", cookie);
*cookie = NULL;
if (!(mta_cookie = heap_alloc(sizeof(*mta_cookie))))
return E_OUTOFMEMORY;
EnterCriticalSection(&csApartment);
if (MTA)
apartment_addref(MTA);
else
MTA = apartment_construct(COINIT_MULTITHREADED);
list_add_head(&MTA->usage_cookies, &mta_cookie->entry);
LeaveCriticalSection(&csApartment);
*cookie = (CO_MTA_USAGE_COOKIE)mta_cookie;
return S_OK;
}
/***********************************************************************
* CoDecrementMTAUsage [OLE32.@]
*/
HRESULT WINAPI CoDecrementMTAUsage(CO_MTA_USAGE_COOKIE cookie)
{
struct mta_cookie *mta_cookie = (struct mta_cookie *)cookie;
TRACE("%p\n", cookie);
EnterCriticalSection(&csApartment);
if (MTA)
{
struct mta_cookie *cur;
LIST_FOR_EACH_ENTRY(cur, &MTA->usage_cookies, struct mta_cookie, entry)
{
if (mta_cookie == cur)
{
list_remove(&cur->entry);
heap_free(cur);
apartment_release(MTA);
break;
}
}
}
LeaveCriticalSection(&csApartment);
return S_OK;
}
/***********************************************************************
* CoDisableCallCancellation [OLE32.@]
*/
HRESULT WINAPI CoDisableCallCancellation(void *reserved)
{
FIXME("(%p): stub\n", reserved);
return E_NOTIMPL;
}
/***********************************************************************
* CoEnableCallCancellation [OLE32.@]
*/
HRESULT WINAPI CoEnableCallCancellation(void *reserved)
{
FIXME("(%p): stub\n", reserved);
return E_NOTIMPL;
}
/***********************************************************************
* CoRegisterSurrogate [OLE32.@]
*/
HRESULT WINAPI CoRegisterSurrogate(ISurrogate *surrogate)
{
FIXME("(%p): stub\n", surrogate);
return E_NOTIMPL;
}
/***********************************************************************
* CoRegisterSurrogateEx [OLE32.@]
*/
HRESULT WINAPI CoRegisterSurrogateEx(REFGUID guid, void *reserved)
{
FIXME("(%s %p): stub\n", debugstr_guid(guid), reserved);
return E_NOTIMPL;
}
typedef struct {
IGlobalOptions IGlobalOptions_iface;
LONG ref;
} GlobalOptions;
static inline GlobalOptions *impl_from_IGlobalOptions(IGlobalOptions *iface)
{
return CONTAINING_RECORD(iface, GlobalOptions, IGlobalOptions_iface);
}
static HRESULT WINAPI GlobalOptions_QueryInterface(IGlobalOptions *iface, REFIID riid, void **ppv)
{
GlobalOptions *This = impl_from_IGlobalOptions(iface);
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
if (IsEqualGUID(&IID_IGlobalOptions, riid) || IsEqualGUID(&IID_IUnknown, riid))
{
*ppv = iface;
}
else
{
*ppv = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI GlobalOptions_AddRef(IGlobalOptions *iface)
{
GlobalOptions *This = impl_from_IGlobalOptions(iface);
LONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
return ref;
}
static ULONG WINAPI GlobalOptions_Release(IGlobalOptions *iface)
{
GlobalOptions *This = impl_from_IGlobalOptions(iface);
LONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
if (!ref)
heap_free(This);
return ref;
}
static HRESULT WINAPI GlobalOptions_Set(IGlobalOptions *iface, GLOBALOPT_PROPERTIES property, ULONG_PTR value)
{
GlobalOptions *This = impl_from_IGlobalOptions(iface);
FIXME("(%p)->(%u %lx)\n", This, property, value);
return S_OK;
}
static HRESULT WINAPI GlobalOptions_Query(IGlobalOptions *iface, GLOBALOPT_PROPERTIES property, ULONG_PTR *value)
{
GlobalOptions *This = impl_from_IGlobalOptions(iface);
FIXME("(%p)->(%u %p)\n", This, property, value);
return E_NOTIMPL;
}
static const IGlobalOptionsVtbl GlobalOptionsVtbl = {
GlobalOptions_QueryInterface,
GlobalOptions_AddRef,
GlobalOptions_Release,
GlobalOptions_Set,
GlobalOptions_Query
};
HRESULT WINAPI GlobalOptions_CreateInstance(IClassFactory *iface, IUnknown *outer, REFIID riid, void **ppv)
{
GlobalOptions *global_options;
HRESULT hres;
TRACE("(%p %s %p)\n", outer, debugstr_guid(riid), ppv);
if (outer)
return E_INVALIDARG;
global_options = heap_alloc(sizeof(*global_options));
if (!global_options)
return E_OUTOFMEMORY;
global_options->IGlobalOptions_iface.lpVtbl = &GlobalOptionsVtbl;
global_options->ref = 1;
hres = IGlobalOptions_QueryInterface(&global_options->IGlobalOptions_iface, riid, ppv);
IGlobalOptions_Release(&global_options->IGlobalOptions_iface);
return hres;
}
/***********************************************************************
* DllMain (OLE32.@)
*/
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID reserved)
{
TRACE("%p 0x%x %p\n", hinstDLL, fdwReason, reserved);
switch(fdwReason) {
case DLL_PROCESS_ATTACH:
hProxyDll = hinstDLL;
break;
case DLL_PROCESS_DETACH:
if (reserved) break;
release_std_git();
if(apt_win_class)
UnregisterClassW( (const WCHAR*)MAKEINTATOM(apt_win_class), hProxyDll );
RPC_UnregisterAllChannelHooks();
COMPOBJ_DllList_Free();
DeleteCriticalSection(&csRegisteredClassList);
DeleteCriticalSection(&csApartment);
break;
case DLL_THREAD_DETACH:
COM_TlsDestroy();
break;
}
return TRUE;
}
/***********************************************************************
* DllRegisterServer (OLE32.@)
*/
HRESULT WINAPI DllRegisterServer(void)
{
return OLE32_DllRegisterServer();
}
/***********************************************************************
* DllUnregisterServer (OLE32.@)
*/
HRESULT WINAPI DllUnregisterServer(void)
{
return OLE32_DllUnregisterServer();
}
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