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wine/dlls/ole32/moniker.c
Lorenzo Ferrillo 516f68b64f ole32: Add debug info to RunningObjectTable critical section. 
So it's possible to easily debug deadlocks involving the Internal ROT object

Signed-off-by: Lorenzo Ferrillo <lorenzofersteam@live.it>
2023-09-11 20:42:49 +02:00

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/*
* Monikers
*
* Copyright 1998 Marcus Meissner
* Copyright 1999 Noomen Hamza
* Copyright 2005 Robert Shearman (for CodeWeavers)
* Copyright 2007 Robert Shearman
*
* 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
*/
#include <stdarg.h>
#include <string.h>
#define COBJMACROS
#include "wine/list.h"
#include "wine/debug.h"
#include "compobj_private.h"
#include "moniker.h"
#include "irot.h"
#include "pathcch.h"
WINE_DEFAULT_DEBUG_CHANNEL(ole);
/* Combase exports */
BOOL WINAPI InternalIsProcessInitialized(void);
HRESULT WINAPI InternalIrotRegister(const MonikerComparisonData *moniker_data,
const InterfaceData *object, const InterfaceData *moniker,
const FILETIME *time, DWORD flags, IrotCookie *cookie, IrotContextHandle *ctxt_handle);
HRESULT WINAPI InternalIrotIsRunning(const MonikerComparisonData *moniker_data);
HRESULT WINAPI InternalIrotGetObject(const MonikerComparisonData *moniker_data, PInterfaceData *obj,
IrotCookie *cookie);
HRESULT WINAPI InternalIrotNoteChangeTime(IrotCookie cookie, const FILETIME *time);
HRESULT WINAPI InternalIrotGetTimeOfLastChange(const MonikerComparisonData *moniker_data, FILETIME *time);
HRESULT WINAPI InternalIrotEnumRunning(PInterfaceList *list);
HRESULT WINAPI InternalIrotRevoke(IrotCookie cookie, IrotContextHandle *ctxt_handle, PInterfaceData *object,
PInterfaceData *moniker);
/* define the structure of the running object table elements */
struct rot_entry
{
struct list entry;
InterfaceData* object; /* marshaled running object*/
MonikerComparisonData* moniker_data; /* moniker comparison data that identifies this object */
DWORD cookie; /* cookie identifying this object */
FILETIME last_modified;
IrotContextHandle ctxt_handle;
};
/* define the RunningObjectTableImpl structure */
typedef struct RunningObjectTableImpl
{
IRunningObjectTable IRunningObjectTable_iface;
struct list rot; /* list of ROT entries */
CRITICAL_SECTION lock;
} RunningObjectTableImpl;
/* define the EnumMonikerImpl structure */
typedef struct EnumMonikerImpl
{
IEnumMoniker IEnumMoniker_iface;
LONG ref;
InterfaceList *moniker_list;
ULONG pos;
} EnumMonikerImpl;
static inline RunningObjectTableImpl *impl_from_IRunningObjectTable(IRunningObjectTable *iface)
{
return CONTAINING_RECORD(iface, RunningObjectTableImpl, IRunningObjectTable_iface);
}
static inline EnumMonikerImpl *impl_from_IEnumMoniker(IEnumMoniker *iface)
{
return CONTAINING_RECORD(iface, EnumMonikerImpl, IEnumMoniker_iface);
}
/* IEnumMoniker Local functions*/
static HRESULT EnumMonikerImpl_CreateEnumROTMoniker(InterfaceList *moniker_list,
ULONG pos, IEnumMoniker **ppenumMoniker);
static HRESULT create_stream_on_mip_ro(const InterfaceData *mip, IStream **stream)
{
HGLOBAL hglobal = GlobalAlloc(0, mip->ulCntData);
void *pv = GlobalLock(hglobal);
memcpy(pv, mip->abData, mip->ulCntData);
GlobalUnlock(hglobal);
return CreateStreamOnHGlobal(hglobal, TRUE, stream);
}
static void rot_entry_delete(struct rot_entry *rot_entry)
{
if (rot_entry->cookie)
{
InterfaceData *object = NULL;
InterfaceData *moniker = NULL;
InternalIrotRevoke(rot_entry->cookie, &rot_entry->ctxt_handle, &object, &moniker);
MIDL_user_free(object);
if (moniker)
{
IStream *stream;
HRESULT hr;
hr = create_stream_on_mip_ro(moniker, &stream);
if (hr == S_OK)
{
CoReleaseMarshalData(stream);
IStream_Release(stream);
}
}
MIDL_user_free(moniker);
}
if (rot_entry->object)
{
IStream *stream;
HRESULT hr;
hr = create_stream_on_mip_ro(rot_entry->object, &stream);
if (hr == S_OK)
{
CoReleaseMarshalData(stream);
IStream_Release(stream);
}
}
HeapFree(GetProcessHeap(), 0, rot_entry->object);
HeapFree(GetProcessHeap(), 0, rot_entry->moniker_data);
HeapFree(GetProcessHeap(), 0, rot_entry);
}
/* moniker_data must be freed with HeapFree when no longer in use */
static HRESULT get_moniker_comparison_data(IMoniker *pMoniker, MonikerComparisonData **moniker_data)
{
HRESULT hr;
IROTData *pROTData = NULL;
hr = IMoniker_QueryInterface(pMoniker, &IID_IROTData, (void *)&pROTData);
if (SUCCEEDED(hr))
{
ULONG size = ROT_COMPARE_MAX;
*moniker_data = HeapAlloc(GetProcessHeap(), 0, FIELD_OFFSET(MonikerComparisonData, abData[size]));
if (!*moniker_data)
{
IROTData_Release(pROTData);
return E_OUTOFMEMORY;
}
hr = IROTData_GetComparisonData(pROTData, (*moniker_data)->abData, size, &size);
IROTData_Release(pROTData);
if (hr != S_OK)
{
ERR("Failed to copy comparison data into buffer, hr = %#lx\n", hr);
HeapFree(GetProcessHeap(), 0, *moniker_data);
*moniker_data = NULL;
return hr;
}
(*moniker_data)->ulCntData = size;
}
else
{
IBindCtx *pbc;
LPOLESTR pszDisplayName;
CLSID clsid;
int len;
TRACE("generating comparison data from display name\n");
hr = CreateBindCtx(0, &pbc);
if (FAILED(hr))
return hr;
hr = IMoniker_GetDisplayName(pMoniker, pbc, NULL, &pszDisplayName);
IBindCtx_Release(pbc);
if (FAILED(hr))
return hr;
hr = IMoniker_GetClassID(pMoniker, &clsid);
if (FAILED(hr))
{
CoTaskMemFree(pszDisplayName);
return hr;
}
len = lstrlenW(pszDisplayName);
*moniker_data = HeapAlloc(GetProcessHeap(), 0,
FIELD_OFFSET(MonikerComparisonData, abData[sizeof(CLSID) + (len+1)*sizeof(WCHAR)]));
if (!*moniker_data)
{
CoTaskMemFree(pszDisplayName);
return E_OUTOFMEMORY;
}
(*moniker_data)->ulCntData = sizeof(CLSID) + (len+1)*sizeof(WCHAR);
memcpy(&(*moniker_data)->abData[0], &clsid, sizeof(clsid));
memcpy(&(*moniker_data)->abData[sizeof(clsid)], pszDisplayName, (len+1)*sizeof(WCHAR));
CoTaskMemFree(pszDisplayName);
}
return S_OK;
}
static HRESULT reduce_moniker(IMoniker *pmk, IBindCtx *pbc, IMoniker **pmkReduced)
{
IBindCtx *pbcNew = NULL;
HRESULT hr;
if (!pbc)
{
hr = CreateBindCtx(0, &pbcNew);
if (FAILED(hr))
return hr;
pbc = pbcNew;
}
hr = IMoniker_Reduce(pmk, pbc, MKRREDUCE_ALL, NULL, pmkReduced);
if (FAILED(hr))
ERR("reducing moniker failed with error %#lx.\n", hr);
if (pbcNew) IBindCtx_Release(pbcNew);
return hr;
}
/***********************************************************************
* RunningObjectTable_QueryInterface
*/
static HRESULT WINAPI
RunningObjectTableImpl_QueryInterface(IRunningObjectTable* iface,
REFIID riid,void** ppvObject)
{
RunningObjectTableImpl *This = impl_from_IRunningObjectTable(iface);
TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppvObject);
/* validate arguments */
if (ppvObject==0)
return E_INVALIDARG;
*ppvObject = 0;
if (IsEqualIID(&IID_IUnknown, riid) ||
IsEqualIID(&IID_IRunningObjectTable, riid))
*ppvObject = &This->IRunningObjectTable_iface;
if ((*ppvObject)==0)
return E_NOINTERFACE;
IRunningObjectTable_AddRef(iface);
return S_OK;
}
static ULONG WINAPI RunningObjectTableImpl_AddRef(IRunningObjectTable *iface)
{
TRACE("%p\n", iface);
return 2;
}
static ULONG WINAPI RunningObjectTableImpl_Release(IRunningObjectTable *iface)
{
TRACE("%p\n", iface);
return 1;
}
/***********************************************************************
* RunningObjectTable_Register
*
* PARAMS
* grfFlags [in] Registration options
* punkObject [in] the object being registered
* pmkObjectName [in] the moniker of the object being registered
* pdwRegister [out] the value identifying the registration
*/
static HRESULT WINAPI
RunningObjectTableImpl_Register(IRunningObjectTable* iface, DWORD flags,
IUnknown *punkObject, IMoniker *pmkObjectName, DWORD *pdwRegister)
{
RunningObjectTableImpl *This = impl_from_IRunningObjectTable(iface);
struct rot_entry *rot_entry;
HRESULT hr = S_OK;
IStream *pStream = NULL;
DWORD mshlflags;
IBindCtx *pbc;
InterfaceData *moniker = NULL;
TRACE("%p, %#lx, %p, %p, %p\n", iface, flags, punkObject, pmkObjectName, pdwRegister);
if (flags & ~(ROTFLAGS_REGISTRATIONKEEPSALIVE|ROTFLAGS_ALLOWANYCLIENT))
{
ERR("Invalid flags: %#lx\n", flags & ~(ROTFLAGS_REGISTRATIONKEEPSALIVE|ROTFLAGS_ALLOWANYCLIENT));
return E_INVALIDARG;
}
if (punkObject==NULL || pmkObjectName==NULL || pdwRegister==NULL)
return E_INVALIDARG;
rot_entry = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*rot_entry));
if (!rot_entry)
return E_OUTOFMEMORY;
/* marshal object */
hr = CreateStreamOnHGlobal(NULL, TRUE, &pStream);
if (hr != S_OK)
{
rot_entry_delete(rot_entry);
return hr;
}
mshlflags = flags & ROTFLAGS_REGISTRATIONKEEPSALIVE ? MSHLFLAGS_TABLESTRONG : MSHLFLAGS_TABLEWEAK;
hr = CoMarshalInterface(pStream, &IID_IUnknown, punkObject, MSHCTX_LOCAL | MSHCTX_NOSHAREDMEM, NULL, mshlflags);
/* FIXME: a cleaner way would be to create an IStream class that writes
* directly to an MInterfacePointer */
if (hr == S_OK)
{
HGLOBAL hglobal;
hr = GetHGlobalFromStream(pStream, &hglobal);
if (hr == S_OK)
{
SIZE_T size = GlobalSize(hglobal);
const void *pv = GlobalLock(hglobal);
rot_entry->object = HeapAlloc(GetProcessHeap(), 0, FIELD_OFFSET(MInterfacePointer, abData[size]));
rot_entry->object->ulCntData = size;
memcpy(rot_entry->object->abData, pv, size);
GlobalUnlock(hglobal);
}
}
IStream_Release(pStream);
if (hr != S_OK)
{
rot_entry_delete(rot_entry);
return hr;
}
hr = CreateBindCtx(0, &pbc);
if (FAILED(hr))
{
rot_entry_delete(rot_entry);
return hr;
}
hr = reduce_moniker(pmkObjectName, pbc, &pmkObjectName);
if (FAILED(hr))
{
rot_entry_delete(rot_entry);
IBindCtx_Release(pbc);
return hr;
}
hr = IMoniker_GetTimeOfLastChange(pmkObjectName, pbc, NULL,
&rot_entry->last_modified);
IBindCtx_Release(pbc);
if (FAILED(hr))
{
CoFileTimeNow(&rot_entry->last_modified);
hr = S_OK;
}
hr = get_moniker_comparison_data(pmkObjectName,
&rot_entry->moniker_data);
if (hr != S_OK)
{
rot_entry_delete(rot_entry);
IMoniker_Release(pmkObjectName);
return hr;
}
hr = CreateStreamOnHGlobal(NULL, TRUE, &pStream);
if (hr != S_OK)
{
rot_entry_delete(rot_entry);
IMoniker_Release(pmkObjectName);
return hr;
}
/* marshal moniker */
hr = CoMarshalInterface(pStream, &IID_IMoniker, (IUnknown *)pmkObjectName,
MSHCTX_LOCAL | MSHCTX_NOSHAREDMEM, NULL, MSHLFLAGS_TABLESTRONG);
/* FIXME: a cleaner way would be to create an IStream class that writes
* directly to an MInterfacePointer */
if (hr == S_OK)
{
HGLOBAL hglobal;
hr = GetHGlobalFromStream(pStream, &hglobal);
if (hr == S_OK)
{
SIZE_T size = GlobalSize(hglobal);
const void *pv = GlobalLock(hglobal);
moniker = HeapAlloc(GetProcessHeap(), 0, FIELD_OFFSET(InterfaceData, abData[size]));
moniker->ulCntData = size;
memcpy(moniker->abData, pv, size);
GlobalUnlock(hglobal);
}
}
IStream_Release(pStream);
IMoniker_Release(pmkObjectName);
if (hr != S_OK)
{
HeapFree(GetProcessHeap(), 0, moniker);
rot_entry_delete(rot_entry);
return hr;
}
hr = InternalIrotRegister(rot_entry->moniker_data, rot_entry->object, moniker,
&rot_entry->last_modified, flags, &rot_entry->cookie, &rot_entry->ctxt_handle);
HeapFree(GetProcessHeap(), 0, moniker);
if (FAILED(hr))
{
rot_entry_delete(rot_entry);
return hr;
}
/* gives a registration identifier to the registered object*/
*pdwRegister = rot_entry->cookie;
EnterCriticalSection(&This->lock);
list_add_tail(&This->rot, &rot_entry->entry);
LeaveCriticalSection(&This->lock);
return hr;
}
/***********************************************************************
* RunningObjectTable_Revoke
*
* PARAMS
* dwRegister [in] Value identifying registration to be revoked
*/
static HRESULT WINAPI
RunningObjectTableImpl_Revoke( IRunningObjectTable* iface, DWORD dwRegister)
{
RunningObjectTableImpl *This = impl_from_IRunningObjectTable(iface);
struct rot_entry *rot_entry;
TRACE("%p, %ld.\n", iface, dwRegister);
EnterCriticalSection(&This->lock);
LIST_FOR_EACH_ENTRY(rot_entry, &This->rot, struct rot_entry, entry)
{
if (rot_entry->cookie == dwRegister)
{
list_remove(&rot_entry->entry);
LeaveCriticalSection(&This->lock);
rot_entry_delete(rot_entry);
return S_OK;
}
}
LeaveCriticalSection(&This->lock);
return E_INVALIDARG;
}
/***********************************************************************
* RunningObjectTable_IsRunning
*
* PARAMS
* pmkObjectName [in] moniker of the object whose status is desired
*/
static HRESULT WINAPI
RunningObjectTableImpl_IsRunning( IRunningObjectTable* iface, IMoniker *pmkObjectName)
{
RunningObjectTableImpl *This = impl_from_IRunningObjectTable(iface);
MonikerComparisonData *moniker_data;
HRESULT hr;
const struct rot_entry *rot_entry;
TRACE("(%p,%p)\n",This,pmkObjectName);
hr = reduce_moniker(pmkObjectName, NULL, &pmkObjectName);
if (FAILED(hr))
return hr;
hr = get_moniker_comparison_data(pmkObjectName, &moniker_data);
IMoniker_Release(pmkObjectName);
if (hr != S_OK)
return hr;
hr = S_FALSE;
EnterCriticalSection(&This->lock);
LIST_FOR_EACH_ENTRY(rot_entry, &This->rot, const struct rot_entry, entry)
{
if ((rot_entry->moniker_data->ulCntData == moniker_data->ulCntData) &&
!memcmp(moniker_data->abData, rot_entry->moniker_data->abData, moniker_data->ulCntData))
{
hr = S_OK;
break;
}
}
LeaveCriticalSection(&This->lock);
if (hr == S_FALSE)
hr = InternalIrotIsRunning(moniker_data);
HeapFree(GetProcessHeap(), 0, moniker_data);
return hr;
}
/***********************************************************************
* RunningObjectTable_GetObject
*
* PARAMS
* pmkObjectName [in] Pointer to the moniker on the object
* ppunkObject [out] variable that receives the IUnknown interface pointer
*/
static HRESULT WINAPI
RunningObjectTableImpl_GetObject( IRunningObjectTable* iface,
IMoniker *pmkObjectName, IUnknown **ppunkObject)
{
RunningObjectTableImpl *This = impl_from_IRunningObjectTable(iface);
MonikerComparisonData *moniker_data;
InterfaceData *object = NULL;
IrotCookie cookie;
HRESULT hr;
struct rot_entry *rot_entry;
TRACE("(%p,%p,%p)\n",This,pmkObjectName,ppunkObject);
if (ppunkObject == NULL)
return E_POINTER;
*ppunkObject = NULL;
hr = reduce_moniker(pmkObjectName, NULL, &pmkObjectName);
if (FAILED(hr))
return hr;
hr = get_moniker_comparison_data(pmkObjectName, &moniker_data);
IMoniker_Release(pmkObjectName);
if (hr != S_OK)
return hr;
EnterCriticalSection(&This->lock);
LIST_FOR_EACH_ENTRY(rot_entry, &This->rot, struct rot_entry, entry)
{
if ((rot_entry->moniker_data->ulCntData == moniker_data->ulCntData) &&
!memcmp(moniker_data->abData, rot_entry->moniker_data->abData, moniker_data->ulCntData))
{
IStream *pStream;
hr = create_stream_on_mip_ro(rot_entry->object, &pStream);
LeaveCriticalSection(&This->lock);
if (hr == S_OK)
{
hr = CoUnmarshalInterface(pStream, &IID_IUnknown, (void **)ppunkObject);
IStream_Release(pStream);
}
HeapFree(GetProcessHeap(), 0, moniker_data);
return hr;
}
}
LeaveCriticalSection(&This->lock);
TRACE("moniker unavailable locally, calling SCM\n");
hr = InternalIrotGetObject(moniker_data, &object, &cookie);
if (SUCCEEDED(hr))
{
IStream *pStream;
hr = create_stream_on_mip_ro(object, &pStream);
if (hr == S_OK)
{
hr = CoUnmarshalInterface(pStream, &IID_IUnknown, (void **)ppunkObject);
IStream_Release(pStream);
}
}
else
WARN("Moniker unavailable, IrotGetObject returned %#lx\n", hr);
HeapFree(GetProcessHeap(), 0, moniker_data);
return hr;
}
/***********************************************************************
* RunningObjectTable_NoteChangeTime
*
* PARAMS
* dwRegister [in] Value identifying registration being updated
* pfiletime [in] Pointer to structure containing object's last change time
*/
static HRESULT WINAPI
RunningObjectTableImpl_NoteChangeTime(IRunningObjectTable* iface,
DWORD dwRegister, FILETIME *pfiletime)
{
RunningObjectTableImpl *This = impl_from_IRunningObjectTable(iface);
struct rot_entry *rot_entry;
HRESULT hr = E_INVALIDARG;
TRACE("%p, %ld, %p.\n", iface, dwRegister, pfiletime);
EnterCriticalSection(&This->lock);
LIST_FOR_EACH_ENTRY(rot_entry, &This->rot, struct rot_entry, entry)
{
if (rot_entry->cookie == dwRegister)
{
rot_entry->last_modified = *pfiletime;
LeaveCriticalSection(&This->lock);
hr = InternalIrotNoteChangeTime(dwRegister, pfiletime);
goto done;
}
}
LeaveCriticalSection(&This->lock);
done:
TRACE("-- %#lx\n", hr);
return hr;
}
/***********************************************************************
* RunningObjectTable_GetTimeOfLastChange
*
* PARAMS
* pmkObjectName [in] moniker of the object whose status is desired
* pfiletime [out] structure that receives object's last change time
*/
static HRESULT WINAPI
RunningObjectTableImpl_GetTimeOfLastChange(IRunningObjectTable* iface,
IMoniker *pmkObjectName, FILETIME *pfiletime)
{
HRESULT hr = MK_E_UNAVAILABLE;
RunningObjectTableImpl *This = impl_from_IRunningObjectTable(iface);
MonikerComparisonData *moniker_data;
const struct rot_entry *rot_entry;
TRACE("(%p,%p,%p)\n",This,pmkObjectName,pfiletime);
if (pmkObjectName==NULL || pfiletime==NULL)
return E_INVALIDARG;
hr = reduce_moniker(pmkObjectName, NULL, &pmkObjectName);
if (FAILED(hr))
return hr;
hr = get_moniker_comparison_data(pmkObjectName, &moniker_data);
IMoniker_Release(pmkObjectName);
if (hr != S_OK)
return hr;
hr = MK_E_UNAVAILABLE;
EnterCriticalSection(&This->lock);
LIST_FOR_EACH_ENTRY(rot_entry, &This->rot, const struct rot_entry, entry)
{
if ((rot_entry->moniker_data->ulCntData == moniker_data->ulCntData) &&
!memcmp(moniker_data->abData, rot_entry->moniker_data->abData, moniker_data->ulCntData))
{
*pfiletime = rot_entry->last_modified;
hr = S_OK;
break;
}
}
LeaveCriticalSection(&This->lock);
if (hr != S_OK)
hr = InternalIrotGetTimeOfLastChange(moniker_data, pfiletime);
HeapFree(GetProcessHeap(), 0, moniker_data);
TRACE("-- %#lx\n", hr);
return hr;
}
/***********************************************************************
* RunningObjectTable_EnumRunning
*
* PARAMS
* ppenumMoniker [out] receives the IEnumMoniker interface pointer
*/
static HRESULT WINAPI
RunningObjectTableImpl_EnumRunning(IRunningObjectTable* iface,
IEnumMoniker **ppenumMoniker)
{
RunningObjectTableImpl *This = impl_from_IRunningObjectTable(iface);
InterfaceList *interface_list = NULL;
HRESULT hr;
TRACE("(%p, %p)\n", This, ppenumMoniker);
*ppenumMoniker = NULL;
hr = InternalIrotEnumRunning(&interface_list);
if (SUCCEEDED(hr))
hr = EnumMonikerImpl_CreateEnumROTMoniker(interface_list, 0, ppenumMoniker);
return hr;
}
/* Virtual function table for the IRunningObjectTable class. */
static const IRunningObjectTableVtbl VT_RunningObjectTableImpl =
{
RunningObjectTableImpl_QueryInterface,
RunningObjectTableImpl_AddRef,
RunningObjectTableImpl_Release,
RunningObjectTableImpl_Register,
RunningObjectTableImpl_Revoke,
RunningObjectTableImpl_IsRunning,
RunningObjectTableImpl_GetObject,
RunningObjectTableImpl_NoteChangeTime,
RunningObjectTableImpl_GetTimeOfLastChange,
RunningObjectTableImpl_EnumRunning
};
static RunningObjectTableImpl rot;
static RTL_CRITICAL_SECTION_DEBUG critsect_debug =
{
0, 0, &rot.lock,
{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": RunningObjectTable_section") }
};
static RunningObjectTableImpl rot =
{
.IRunningObjectTable_iface.lpVtbl = &VT_RunningObjectTableImpl,
.lock = { &critsect_debug, -1, 0, 0, 0, 0 },
.rot = LIST_INIT(rot.rot),
};
/***********************************************************************
* GetRunningObjectTable (OLE32.@)
*/
HRESULT WINAPI GetRunningObjectTable(DWORD reserved, IRunningObjectTable **ret)
{
TRACE("%#lx, %p\n", reserved, ret);
if (reserved!=0)
return E_UNEXPECTED;
if (!InternalIsProcessInitialized())
return CO_E_NOTINITIALIZED;
*ret = &rot.IRunningObjectTable_iface;
IRunningObjectTable_AddRef(*ret);
return S_OK;
}
/***********************************************************************
* DestroyRunningObjectTable (ole32.@)
*/
void WINAPI DestroyRunningObjectTable(void)
{
struct rot_entry *rot_entry, *cursor2;
TRACE("\n");
EnterCriticalSection(&rot.lock);
LIST_FOR_EACH_ENTRY_SAFE(rot_entry, cursor2, &rot.rot, struct rot_entry, entry)
{
list_remove(&rot_entry->entry);
rot_entry_delete(rot_entry);
}
LeaveCriticalSection(&rot.lock);
}
static HRESULT get_moniker_for_progid_display_name(LPBC pbc,
LPCOLESTR szDisplayName,
LPDWORD pchEaten,
LPMONIKER *ppmk)
{
CLSID clsid;
HRESULT hr;
LPWSTR progid;
LPCWSTR start = szDisplayName;
LPCWSTR end;
int len;
IMoniker *class_moniker;
if (*start == '@')
start++;
/* find end delimiter */
for (end = start; *end; end++)
if (*end == ':')
break;
len = end - start;
/* must start with '@' or have a ':' somewhere and mustn't be one character
* long (since that looks like an absolute path) */
if (((start == szDisplayName) && (*end == '\0')) || (len <= 1))
return MK_E_SYNTAX;
progid = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
if (progid)
{
memcpy(progid, start, len * sizeof(WCHAR));
progid[len] = '\0';
}
hr = CLSIDFromProgID(progid, &clsid);
HeapFree(GetProcessHeap(), 0, progid);
if (FAILED(hr))
return MK_E_SYNTAX;
hr = CreateClassMoniker(&clsid, &class_moniker);
if (SUCCEEDED(hr))
{
IParseDisplayName *pdn;
hr = IMoniker_BindToObject(class_moniker, pbc, NULL,
&IID_IParseDisplayName, (void **)&pdn);
/* fallback to using IClassFactory to get IParseDisplayName -
* adsldp.dll depends on this */
if (FAILED(hr))
{
IClassFactory *pcf;
hr = IMoniker_BindToObject(class_moniker, pbc, NULL,
&IID_IClassFactory, (void **)&pcf);
if (SUCCEEDED(hr))
{
hr = IClassFactory_CreateInstance(pcf, NULL,
&IID_IParseDisplayName,
(void **)&pdn);
IClassFactory_Release(pcf);
}
}
IMoniker_Release(class_moniker);
if (SUCCEEDED(hr))
{
hr = IParseDisplayName_ParseDisplayName(pdn, pbc,
(LPOLESTR)szDisplayName,
pchEaten, ppmk);
IParseDisplayName_Release(pdn);
}
}
return hr;
}
/******************************************************************************
* MkParseDisplayName [OLE32.@]
*/
HRESULT WINAPI MkParseDisplayName(LPBC pbc, LPCOLESTR szDisplayName,
LPDWORD pchEaten, LPMONIKER *ppmk)
{
HRESULT hr = MK_E_SYNTAX;
IMoniker *moniker;
DWORD chEaten;
TRACE("(%p, %s, %p, %p)\n", pbc, debugstr_w(szDisplayName), pchEaten, ppmk);
if (!pbc || !IsValidInterface((LPUNKNOWN) pbc))
return E_INVALIDARG;
if (!szDisplayName || !*szDisplayName)
return E_INVALIDARG;
if (!pchEaten || !ppmk)
return E_INVALIDARG;
*pchEaten = 0;
*ppmk = NULL;
if (!wcsnicmp(szDisplayName, L"clsid:", 6))
{
hr = ClassMoniker_CreateFromDisplayName(pbc, szDisplayName, &chEaten, &moniker);
if (FAILED(hr) && (hr != MK_E_SYNTAX))
return hr;
}
else
{
hr = get_moniker_for_progid_display_name(pbc, szDisplayName, &chEaten, &moniker);
if (FAILED(hr) && (hr != MK_E_SYNTAX))
return hr;
}
if (FAILED(hr))
{
hr = FileMoniker_CreateFromDisplayName(pbc, szDisplayName, &chEaten, &moniker);
if (FAILED(hr) && (hr != MK_E_SYNTAX))
return hr;
}
if (SUCCEEDED(hr))
{
while (TRUE)
{
IMoniker *next_moniker;
*pchEaten += chEaten;
szDisplayName += chEaten;
if (!*szDisplayName)
{
*ppmk = moniker;
return S_OK;
}
chEaten = 0;
hr = IMoniker_ParseDisplayName(moniker, pbc, NULL,
(LPOLESTR)szDisplayName, &chEaten,
&next_moniker);
IMoniker_Release(moniker);
if (FAILED(hr))
{
*pchEaten = 0;
break;
}
moniker = next_moniker;
}
}
return hr;
}
/***********************************************************************
* GetClassFile (OLE32.@)
*
* Retrieves the class ID associated with the given filename.
*
* PARAMS
* filePathName [I] Filename to retrieve the class ID for.
* pclsid [O] Address that receives the class ID for the file.
*
* RETURNS
* Success: S_OK.
* Failure: Any HRESULT code.
*/
HRESULT WINAPI GetClassFile(LPCOLESTR filePathName,CLSID *pclsid)
{
IStorage *pstg=0;
HRESULT res;
LONG sizeProgId, ret;
LPOLESTR progId=0;
const WCHAR *extension;
TRACE("%s, %p\n", debugstr_w(filePathName), pclsid);
/* if the file contain a storage object the return the CLSID written by IStorage_SetClass method*/
if((StgIsStorageFile(filePathName))==S_OK){
res=StgOpenStorage(filePathName,NULL,STGM_READ | STGM_SHARE_DENY_WRITE,NULL,0,&pstg);
if (SUCCEEDED(res)) {
res=ReadClassStg(pstg,pclsid);
IStorage_Release(pstg);
}
return res;
}
/* If the file is not a storage object then attempt to match various bits in the file against a
pattern in the registry. This case is not frequently used, so I present only the pseudocode for
this case.
for(i=0;i<nFileTypes;i++)
for(i=0;j<nPatternsForType;j++){
PATTERN pat;
HANDLE hFile;
pat=ReadPatternFromRegistry(i,j);
hFile=CreateFileW(filePathName,,,,,,hFile);
SetFilePosition(hFile,pat.offset);
ReadFile(hFile,buf,pat.size,&r,NULL);
if (memcmp(buf&pat.mask,pat.pattern.pat.size)==0){
*pclsid=ReadCLSIDFromRegistry(i);
return S_OK;
}
}
*/
/* if the above strategies fail then search for the extension key in the registry */
res = PathCchFindExtension(filePathName, PATHCCH_MAX_CCH, &extension);
if (FAILED(res) || !extension || !*extension || !wcscmp(extension, L"."))
return MK_E_INVALIDEXTENSION;
ret = RegQueryValueW(HKEY_CLASSES_ROOT, extension, NULL, &sizeProgId);
if (!ret) {
/* get the progId associated to the extension */
progId = CoTaskMemAlloc(sizeProgId);
ret = RegQueryValueW(HKEY_CLASSES_ROOT, extension, progId, &sizeProgId);
if (!ret)
/* return the clsid associated to the progId */
res = CLSIDFromProgID(progId, pclsid);
else
res = HRESULT_FROM_WIN32(ret);
CoTaskMemFree(progId);
}
else
res = HRESULT_FROM_WIN32(ret);
return res != S_OK ? MK_E_INVALIDEXTENSION : res;
}
/***********************************************************************
* EnumMoniker_QueryInterface
*/
static HRESULT WINAPI EnumMonikerImpl_QueryInterface(IEnumMoniker* iface,REFIID riid,void** ppvObject)
{
EnumMonikerImpl *This = impl_from_IEnumMoniker(iface);
TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppvObject);
/* validate arguments */
if (ppvObject == NULL)
return E_INVALIDARG;
*ppvObject = NULL;
if (IsEqualIID(&IID_IUnknown, riid) || IsEqualIID(&IID_IEnumMoniker, riid))
*ppvObject = &This->IEnumMoniker_iface;
else
return E_NOINTERFACE;
IEnumMoniker_AddRef(iface);
return S_OK;
}
/***********************************************************************
* EnumMoniker_AddRef
*/
static ULONG WINAPI EnumMonikerImpl_AddRef(IEnumMoniker* iface)
{
EnumMonikerImpl *This = impl_from_IEnumMoniker(iface);
TRACE("(%p)\n",This);
return InterlockedIncrement(&This->ref);
}
/***********************************************************************
* EnumMoniker_release
*/
static ULONG WINAPI EnumMonikerImpl_Release(IEnumMoniker* iface)
{
EnumMonikerImpl *This = impl_from_IEnumMoniker(iface);
ULONG ref;
TRACE("(%p)\n",This);
ref = InterlockedDecrement(&This->ref);
/* uninitialize ROT structure if there are no more references to it */
if (ref == 0)
{
ULONG i;
TRACE("(%p) Deleting\n",This);
for (i = 0; i < This->moniker_list->size; i++)
free(This->moniker_list->interfaces[i]);
free(This->moniker_list);
HeapFree(GetProcessHeap(), 0, This);
}
return ref;
}
/***********************************************************************
* EnumMoniker_Next
*/
static HRESULT WINAPI EnumMonikerImpl_Next(IEnumMoniker* iface, ULONG celt, IMoniker** rgelt, ULONG * pceltFetched)
{
ULONG i;
EnumMonikerImpl *This = impl_from_IEnumMoniker(iface);
HRESULT hr = S_OK;
TRACE("%p, %lu, %p, %p.\n", iface, celt, rgelt, pceltFetched);
/* retrieve the requested number of moniker from the current position */
for(i = 0; (This->pos < This->moniker_list->size) && (i < celt); i++)
{
IStream *stream;
hr = create_stream_on_mip_ro(This->moniker_list->interfaces[This->pos++], &stream);
if (hr != S_OK) break;
hr = CoUnmarshalInterface(stream, &IID_IMoniker, (void **)&rgelt[i]);
IStream_Release(stream);
if (hr != S_OK) break;
}
if (pceltFetched != NULL)
*pceltFetched= i;
if (hr != S_OK)
return hr;
if (i == celt)
return S_OK;
else
return S_FALSE;
}
/***********************************************************************
* EnumMoniker_Skip
*/
static HRESULT WINAPI EnumMonikerImpl_Skip(IEnumMoniker* iface, ULONG celt)
{
EnumMonikerImpl *This = impl_from_IEnumMoniker(iface);
TRACE("(%p)\n",This);
if (This->pos + celt >= This->moniker_list->size)
return S_FALSE;
This->pos += celt;
return S_OK;
}
/***********************************************************************
* EnumMoniker_Reset
*/
static HRESULT WINAPI EnumMonikerImpl_Reset(IEnumMoniker* iface)
{
EnumMonikerImpl *This = impl_from_IEnumMoniker(iface);
This->pos = 0; /* set back to start of list */
TRACE("(%p)\n",This);
return S_OK;
}
/***********************************************************************
* EnumMoniker_Clone
*/
static HRESULT WINAPI EnumMonikerImpl_Clone(IEnumMoniker* iface, IEnumMoniker ** ppenum)
{
EnumMonikerImpl *This = impl_from_IEnumMoniker(iface);
InterfaceList *moniker_list;
ULONG i;
TRACE("(%p)\n",This);
*ppenum = NULL;
moniker_list = malloc(FIELD_OFFSET(InterfaceList, interfaces[This->moniker_list->size]));
if (!moniker_list)
return E_OUTOFMEMORY;
moniker_list->size = This->moniker_list->size;
for (i = 0; i < This->moniker_list->size; i++)
{
SIZE_T size = FIELD_OFFSET(InterfaceData, abData[This->moniker_list->interfaces[i]->ulCntData]);
moniker_list->interfaces[i] = malloc(size);
if (!moniker_list->interfaces[i])
{
ULONG end = i;
for (i = 0; i < end; i++)
free(moniker_list->interfaces[i]);
free(moniker_list);
return E_OUTOFMEMORY;
}
memcpy(moniker_list->interfaces[i], This->moniker_list->interfaces[i], size);
}
/* copy the enum structure */
return EnumMonikerImpl_CreateEnumROTMoniker(moniker_list, This->pos, ppenum);
}
/* Virtual function table for the IEnumMoniker class. */
static const IEnumMonikerVtbl VT_EnumMonikerImpl =
{
EnumMonikerImpl_QueryInterface,
EnumMonikerImpl_AddRef,
EnumMonikerImpl_Release,
EnumMonikerImpl_Next,
EnumMonikerImpl_Skip,
EnumMonikerImpl_Reset,
EnumMonikerImpl_Clone
};
/***********************************************************************
* EnumMonikerImpl_CreateEnumROTMoniker
* Used by EnumRunning to create the structure and EnumClone
* to copy the structure
*/
static HRESULT EnumMonikerImpl_CreateEnumROTMoniker(InterfaceList *moniker_list,
ULONG current_pos,
IEnumMoniker **ppenumMoniker)
{
EnumMonikerImpl* This = NULL;
if (!ppenumMoniker)
return E_INVALIDARG;
This = HeapAlloc(GetProcessHeap(), 0, sizeof(EnumMonikerImpl));
if (!This) return E_OUTOFMEMORY;
TRACE("(%p)\n", This);
/* initialize the virtual table function */
This->IEnumMoniker_iface.lpVtbl = &VT_EnumMonikerImpl;
/* the initial reference is set to "1" */
This->ref = 1; /* set the ref count to one */
This->pos = current_pos; /* Set the list start posn */
This->moniker_list = moniker_list;
*ppenumMoniker = &This->IEnumMoniker_iface;
return S_OK;
}
/* Shared implementation of moniker marshaler based on saving and loading of
* monikers */
typedef struct MonikerMarshal
{
IUnknown IUnknown_iface;
IMarshal IMarshal_iface;
LONG ref;
IMoniker *moniker;
} MonikerMarshal;
static inline MonikerMarshal *impl_from_IUnknown(IUnknown *iface)
{
return CONTAINING_RECORD(iface, MonikerMarshal, IUnknown_iface);
}
static inline MonikerMarshal *impl_from_IMarshal( IMarshal *iface )
{
return CONTAINING_RECORD(iface, MonikerMarshal, IMarshal_iface);
}
static HRESULT WINAPI MonikerMarshalInner_QueryInterface(IUnknown *iface, REFIID riid, LPVOID *ppv)
{
MonikerMarshal *This = impl_from_IUnknown(iface);
TRACE("(%s, %p)\n", debugstr_guid(riid), ppv);
*ppv = NULL;
if (IsEqualIID(&IID_IUnknown, riid) || IsEqualIID(&IID_IMarshal, riid))
{
*ppv = &This->IMarshal_iface;
IMarshal_AddRef(&This->IMarshal_iface);
return S_OK;
}
FIXME("No interface for %s\n", debugstr_guid(riid));
return E_NOINTERFACE;
}
static ULONG WINAPI MonikerMarshalInner_AddRef(IUnknown *iface)
{
MonikerMarshal *This = impl_from_IUnknown(iface);
return InterlockedIncrement(&This->ref);
}
static ULONG WINAPI MonikerMarshalInner_Release(IUnknown *iface)
{
MonikerMarshal *This = impl_from_IUnknown(iface);
ULONG ref = InterlockedDecrement(&This->ref);
if (!ref) HeapFree(GetProcessHeap(), 0, This);
return ref;
}
static const IUnknownVtbl VT_MonikerMarshalInner =
{
MonikerMarshalInner_QueryInterface,
MonikerMarshalInner_AddRef,
MonikerMarshalInner_Release
};
static HRESULT WINAPI MonikerMarshal_QueryInterface(IMarshal *iface, REFIID riid, LPVOID *ppv)
{
MonikerMarshal *This = impl_from_IMarshal(iface);
return IMoniker_QueryInterface(This->moniker, riid, ppv);
}
static ULONG WINAPI MonikerMarshal_AddRef(IMarshal *iface)
{
MonikerMarshal *This = impl_from_IMarshal(iface);
return IMoniker_AddRef(This->moniker);
}
static ULONG WINAPI MonikerMarshal_Release(IMarshal *iface)
{
MonikerMarshal *This = impl_from_IMarshal(iface);
return IMoniker_Release(This->moniker);
}
static HRESULT WINAPI MonikerMarshal_GetUnmarshalClass(
LPMARSHAL iface, REFIID riid, void* pv, DWORD dwDestContext,
void* pvDestContext, DWORD mshlflags, CLSID* pCid)
{
MonikerMarshal *This = impl_from_IMarshal(iface);
TRACE("%s, %p, %lx, %p, %lx, %p.\n", debugstr_guid(riid), pv,
dwDestContext, pvDestContext, mshlflags, pCid);
return IMoniker_GetClassID(This->moniker, pCid);
}
static HRESULT WINAPI MonikerMarshal_GetMarshalSizeMax(
LPMARSHAL iface, REFIID riid, void* pv, DWORD dwDestContext,
void* pvDestContext, DWORD mshlflags, DWORD* pSize)
{
MonikerMarshal *This = impl_from_IMarshal(iface);
HRESULT hr;
ULARGE_INTEGER size;
TRACE("%s, %p, %lx, %p, %lx, %p.\n", debugstr_guid(riid), pv,
dwDestContext, pvDestContext, mshlflags, pSize);
hr = IMoniker_GetSizeMax(This->moniker, &size);
if (hr == S_OK)
*pSize = (DWORD)size.QuadPart;
return hr;
}
static HRESULT WINAPI MonikerMarshal_MarshalInterface(LPMARSHAL iface, IStream *pStm,
REFIID riid, void* pv, DWORD dwDestContext,
void* pvDestContext, DWORD mshlflags)
{
MonikerMarshal *This = impl_from_IMarshal(iface);
TRACE("%p, %s, %p, %lx, %p, %lx.\n", pStm, debugstr_guid(riid), pv,
dwDestContext, pvDestContext, mshlflags);
return IMoniker_Save(This->moniker, pStm, FALSE);
}
static HRESULT WINAPI MonikerMarshal_UnmarshalInterface(LPMARSHAL iface, IStream *pStm, REFIID riid, void **ppv)
{
MonikerMarshal *This = impl_from_IMarshal(iface);
HRESULT hr;
TRACE("(%p, %s, %p)\n", pStm, debugstr_guid(riid), ppv);
hr = IMoniker_Load(This->moniker, pStm);
if (hr == S_OK)
hr = IMoniker_QueryInterface(This->moniker, riid, ppv);
return hr;
}
static HRESULT WINAPI MonikerMarshal_ReleaseMarshalData(LPMARSHAL iface, IStream *pStm)
{
TRACE("()\n");
/* can't release a state-based marshal as nothing on server side to
* release */
return S_OK;
}
static HRESULT WINAPI MonikerMarshal_DisconnectObject(LPMARSHAL iface, DWORD dwReserved)
{
TRACE("()\n");
/* can't disconnect a state-based marshal as nothing on server side to
* disconnect from */
return S_OK;
}
static const IMarshalVtbl VT_MonikerMarshal =
{
MonikerMarshal_QueryInterface,
MonikerMarshal_AddRef,
MonikerMarshal_Release,
MonikerMarshal_GetUnmarshalClass,
MonikerMarshal_GetMarshalSizeMax,
MonikerMarshal_MarshalInterface,
MonikerMarshal_UnmarshalInterface,
MonikerMarshal_ReleaseMarshalData,
MonikerMarshal_DisconnectObject
};
HRESULT MonikerMarshal_Create(IMoniker *inner, IUnknown **outer)
{
MonikerMarshal *This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
if (!This) return E_OUTOFMEMORY;
This->IUnknown_iface.lpVtbl = &VT_MonikerMarshalInner;
This->IMarshal_iface.lpVtbl = &VT_MonikerMarshal;
This->ref = 1;
This->moniker = inner;
*outer = &This->IUnknown_iface;
return S_OK;
}
void * __RPC_USER MIDL_user_allocate(SIZE_T size)
{
return malloc(size);
}
void __RPC_USER MIDL_user_free(void *p)
{
free(p);
}
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