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wine/dlls/ole32/compobj.c
Nikolay Sivov 233042bd75 ole32: Build without WINE_NO_LONG_TYPES. 
Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2022-02-09 10:58:46 +01:00

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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 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.
*/
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;
};
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 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, L"\\Registry\\Machine\\Software\\Classes" );
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)
{
access &= ~KEY_WOW64_32KEY;
if (create_classes_key(classes_root_hkey, L"Wow6432Node", 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 ) );
}
/******************************************************************************
* 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, refcount %ld.\n", iface, ref);
return ref;
}
static ULONG WINAPI ISynchronize_fnRelease(ISynchronize *iface)
{
MREImpl *This = impl_from_ISynchronize(iface);
LONG ref = InterlockedDecrement(&This->ref);
TRACE("%p, refcount %ld.\n", iface, 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);
DWORD index;
TRACE("%p, %#lx, %#lx.\n", iface, 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;
}
/******************************************************************************
* 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;
}
/******************************************************************************
* 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);
}
/* open HKCR\\CLSID\\{string form of clsid}\\{keyname} key */
HRESULT COM_OpenKeyForCLSID(REFCLSID clsid, LPCWSTR keyname, REGSAM access, HKEY *subkey)
{
WCHAR path[CHARS_IN_GUID + ARRAY_SIZE(L"CLSID\\") - 1];
LONG res;
HKEY key;
lstrcpyW(path, L"CLSID\\");
StringFromGUID2(clsid, path + lstrlenW(L"CLSID\\"), 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;
}
/***********************************************************************
* 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 */
}
/***********************************************************************
* 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)
{
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, L"AutoTreatAs", auto_treat_as, &auto_treat_as_size) &&
CLSIDFromString(auto_treat_as, &id) == S_OK)
{
if (RegSetValueW(hkey, L"TreatAs", REG_SZ, auto_treat_as, sizeof(auto_treat_as)))
{
res = REGDB_E_WRITEREGDB;
goto done;
}
}
else
{
if (RegDeleteKeyW(hkey, L"TreatAs"))
res = REGDB_E_WRITEREGDB;
goto done;
}
}
else
{
if(IsEqualGUID(clsidNew, &CLSID_NULL)){
RegDeleteKeyW(hkey, L"TreatAs");
}else{
if(!StringFromGUID2(clsidNew, szClsidNew, ARRAY_SIZE(szClsidNew))){
WARN("StringFromGUID2 failed\n");
res = E_FAIL;
goto done;
}
if (RegSetValueW(hkey, L"TreatAs", REG_SZ, szClsidNew, sizeof(szClsidNew)) != ERROR_SUCCESS){
WARN("RegSetValue failed\n");
res = REGDB_E_WRITEREGDB;
goto done;
}
}
}
done:
if (hkey) RegCloseKey(hkey);
return res;
}
/***********************************************************************
* 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));
}
/***********************************************************************
* 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;
}
/* 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
{
ULONG_PTR cookie;
*dst = 0;
ActivateActCtx(regdata->u.actctx.hactctx, &cookie);
ret = SearchPathW(NULL, regdata->u.actctx.module_name, L".dll", dstlen, dst, NULL);
DeactivateActCtx(0, cookie);
return *dst != 0;
}
}
HRESULT Handler_DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
{
HKEY hkey;
HRESULT hres;
hres = COM_OpenKeyForCLSID(rclsid, L"InprocHandler32", 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)))
{
if (!wcsicmp(dllpath, L"ole32.dll"))
{
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;
}
/***********************************************************************
* DllMain (OLE32.@)
*/
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID reserved)
{
TRACE("%p, %#lx, %p.\n", hinstDLL, fdwReason, reserved);
switch(fdwReason) {
case DLL_PROCESS_ATTACH:
hProxyDll = hinstDLL;
break;
case DLL_PROCESS_DETACH:
clipbrd_destroy();
if (reserved) break;
release_std_git();
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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