4 * Copyright 2002 Marcus Meissner
5 * Copyright 2004 Mike Hearn, for CodeWeavers
6 * Copyright 2004 Rob Shearman, for CodeWeavers
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
35 #include "wine/unicode.h"
37 #include "compobj_private.h"
39 #include "wine/debug.h"
41 WINE_DEFAULT_DEBUG_CHANNEL(ole
);
43 extern const CLSID CLSID_DfMarshal
;
45 /* number of refs given out for normal marshaling */
46 #define NORMALEXTREFS 5
48 /* private flag indicating that the caller does not want to notify the stub
49 * when the proxy disconnects or is destroyed */
50 #define SORFP_NOLIFETIMEMGMT SORF_OXRES1
52 static HRESULT
unmarshal_object(const STDOBJREF
*stdobjref
, APARTMENT
*apt
,
53 MSHCTX dest_context
, void *dest_context_data
,
54 REFIID riid
, const OXID_INFO
*oxid_info
,
57 /* Marshalling just passes a unique identifier to the remote client,
58 * that makes it possible to find the passed interface again.
60 * So basically we need a set of values that make it unique.
62 * Note that the IUnknown_QI(ob,xiid,&ppv) always returns the SAME ppv value!
64 * A triple is used: OXID (apt id), OID (stub manager id),
65 * IPID (interface ptr/stub id).
67 * OXIDs identify an apartment and are network scoped
68 * OIDs identify a stub manager and are apartment scoped
69 * IPIDs identify an interface stub and are apartment scoped
72 static inline HRESULT
get_facbuf_for_iid(REFIID riid
, IPSFactoryBuffer
**facbuf
)
77 if ((hr
= CoGetPSClsid(riid
, &clsid
)))
79 return CoGetClassObject(&clsid
, CLSCTX_INPROC_SERVER
, NULL
,
80 &IID_IPSFactoryBuffer
, (LPVOID
*)facbuf
);
83 /* marshals an object into a STDOBJREF structure */
84 HRESULT
marshal_object(APARTMENT
*apt
, STDOBJREF
*stdobjref
, REFIID riid
, IUnknown
*object
, MSHLFLAGS mshlflags
)
86 struct stub_manager
*manager
;
87 struct ifstub
*ifstub
;
89 IRpcStubBuffer
*stub
= NULL
;
91 IUnknown
*iobject
= NULL
; /* object of type riid */
93 hr
= apartment_getoxid(apt
, &stdobjref
->oxid
);
97 hr
= apartment_createwindowifneeded(apt
);
101 hr
= IUnknown_QueryInterface(object
, riid
, (void **)&iobject
);
104 ERR("object doesn't expose interface %s, failing with error 0x%08x\n",
105 debugstr_guid(riid
), hr
);
106 return E_NOINTERFACE
;
109 /* IUnknown doesn't require a stub buffer, because it never goes out on
111 if (!IsEqualIID(riid
, &IID_IUnknown
))
113 IPSFactoryBuffer
*psfb
;
115 hr
= get_facbuf_for_iid(riid
, &psfb
);
118 ERR("couldn't get IPSFactory buffer for interface %s\n", debugstr_guid(riid
));
119 IUnknown_Release(iobject
);
123 hr
= IPSFactoryBuffer_CreateStub(psfb
, riid
, iobject
, &stub
);
124 IPSFactoryBuffer_Release(psfb
);
127 ERR("Failed to create an IRpcStubBuffer from IPSFactory for %s with error 0x%08x\n",
128 debugstr_guid(riid
), hr
);
129 IUnknown_Release(iobject
);
134 if (mshlflags
& MSHLFLAGS_NOPING
)
135 stdobjref
->flags
= SORF_NOPING
;
137 stdobjref
->flags
= SORF_NULL
;
139 if ((manager
= get_stub_manager_from_object(apt
, object
)))
140 TRACE("registering new ifstub on pre-existing manager\n");
143 TRACE("constructing new stub manager\n");
145 manager
= new_stub_manager(apt
, object
);
148 if (stub
) IRpcStubBuffer_Release(stub
);
149 IUnknown_Release(iobject
);
150 return E_OUTOFMEMORY
;
153 stdobjref
->oid
= manager
->oid
;
155 tablemarshal
= ((mshlflags
& MSHLFLAGS_TABLESTRONG
) || (mshlflags
& MSHLFLAGS_TABLEWEAK
));
157 /* make sure ifstub that we are creating is unique */
158 ifstub
= stub_manager_find_ifstub(manager
, riid
, mshlflags
);
160 ifstub
= stub_manager_new_ifstub(manager
, stub
, iobject
, riid
, mshlflags
);
162 if (stub
) IRpcStubBuffer_Release(stub
);
163 IUnknown_Release(iobject
);
167 stub_manager_int_release(manager
);
168 /* destroy the stub manager if it has no ifstubs by releasing
169 * zero external references */
170 stub_manager_ext_release(manager
, 0, TRUE
);
171 return E_OUTOFMEMORY
;
176 stdobjref
->cPublicRefs
= NORMALEXTREFS
;
177 stub_manager_ext_addref(manager
, stdobjref
->cPublicRefs
);
181 stdobjref
->cPublicRefs
= 0;
182 if (mshlflags
& MSHLFLAGS_TABLESTRONG
)
183 stub_manager_ext_addref(manager
, 1);
186 /* FIXME: check return value */
187 RPC_RegisterInterface(riid
);
189 stdobjref
->ipid
= ifstub
->ipid
;
191 stub_manager_int_release(manager
);
197 /* Client-side identity of the server object */
199 static HRESULT
proxy_manager_get_remunknown(struct proxy_manager
* This
, IRemUnknown
**remunk
);
200 static void proxy_manager_destroy(struct proxy_manager
* This
);
201 static HRESULT
proxy_manager_find_ifproxy(struct proxy_manager
* This
, REFIID riid
, struct ifproxy
** ifproxy_found
);
202 static HRESULT
proxy_manager_query_local_interface(struct proxy_manager
* This
, REFIID riid
, void ** ppv
);
204 static HRESULT WINAPI
ClientIdentity_QueryInterface(IMultiQI
* iface
, REFIID riid
, void ** ppv
)
209 TRACE("%s\n", debugstr_guid(riid
));
212 hr
= IMultiQI_QueryMultipleInterfaces(iface
, 1, &mqi
);
213 *ppv
= (void *)mqi
.pItf
;
218 static ULONG WINAPI
ClientIdentity_AddRef(IMultiQI
* iface
)
220 struct proxy_manager
* This
= (struct proxy_manager
*)iface
;
221 TRACE("%p - before %d\n", iface
, This
->refs
);
222 return InterlockedIncrement(&This
->refs
);
225 static ULONG WINAPI
ClientIdentity_Release(IMultiQI
* iface
)
227 struct proxy_manager
* This
= (struct proxy_manager
*)iface
;
228 ULONG refs
= InterlockedDecrement(&This
->refs
);
229 TRACE("%p - after %d\n", iface
, refs
);
231 proxy_manager_destroy(This
);
235 static HRESULT WINAPI
ClientIdentity_QueryMultipleInterfaces(IMultiQI
*iface
, ULONG cMQIs
, MULTI_QI
*pMQIs
)
237 struct proxy_manager
* This
= (struct proxy_manager
*)iface
;
238 REMQIRESULT
*qiresults
= NULL
;
239 ULONG nonlocal_mqis
= 0;
241 ULONG successful_mqis
= 0;
242 IID
*iids
= HeapAlloc(GetProcessHeap(), 0, cMQIs
* sizeof(*iids
));
243 /* mapping of RemQueryInterface index to QueryMultipleInterfaces index */
244 ULONG
*mapping
= HeapAlloc(GetProcessHeap(), 0, cMQIs
* sizeof(*mapping
));
246 TRACE("cMQIs: %d\n", cMQIs
);
248 /* try to get a local interface - this includes already active proxy
249 * interfaces and also interfaces exposed by the proxy manager */
250 for (i
= 0; i
< cMQIs
; i
++)
252 TRACE("iid[%d] = %s\n", i
, debugstr_guid(pMQIs
[i
].pIID
));
253 pMQIs
[i
].hr
= proxy_manager_query_local_interface(This
, pMQIs
[i
].pIID
, (void **)&pMQIs
[i
].pItf
);
254 if (pMQIs
[i
].hr
== S_OK
)
258 iids
[nonlocal_mqis
] = *pMQIs
[i
].pIID
;
259 mapping
[nonlocal_mqis
] = i
;
264 TRACE("%d interfaces not found locally\n", nonlocal_mqis
);
266 /* if we have more than one interface not found locally then we must try
267 * to query the remote object for it */
268 if (nonlocal_mqis
!= 0)
274 /* get the ipid of the first entry */
275 /* FIXME: should we implement ClientIdentity on the ifproxies instead
276 * of the proxy_manager so we use the correct ipid here? */
277 ipid
= &LIST_ENTRY(list_head(&This
->interfaces
), struct ifproxy
, entry
)->stdobjref
.ipid
;
279 /* get IRemUnknown proxy so we can communicate with the remote object */
280 hr
= proxy_manager_get_remunknown(This
, &remunk
);
284 hr
= IRemUnknown_RemQueryInterface(remunk
, ipid
, NORMALEXTREFS
,
285 nonlocal_mqis
, iids
, &qiresults
);
286 IRemUnknown_Release(remunk
);
288 ERR("IRemUnknown_RemQueryInterface failed with error 0x%08x\n", hr
);
291 /* IRemUnknown_RemQueryInterface can return S_FALSE if only some of
292 * the interfaces were returned */
295 /* try to unmarshal each object returned to us */
296 for (i
= 0; i
< nonlocal_mqis
; i
++)
298 ULONG index
= mapping
[i
];
299 HRESULT hrobj
= qiresults
[i
].hResult
;
301 hrobj
= unmarshal_object(&qiresults
[i
].std
, COM_CurrentApt(),
303 This
->dest_context_data
,
304 pMQIs
[index
].pIID
, &This
->oxid_info
,
305 (void **)&pMQIs
[index
].pItf
);
310 ERR("Failed to get pointer to interface %s\n", debugstr_guid(pMQIs
[index
].pIID
));
311 pMQIs
[index
].hr
= hrobj
;
315 /* free the memory allocated by the proxy */
316 CoTaskMemFree(qiresults
);
319 TRACE("%d/%d successfully queried\n", successful_mqis
, cMQIs
);
321 HeapFree(GetProcessHeap(), 0, iids
);
322 HeapFree(GetProcessHeap(), 0, mapping
);
324 if (successful_mqis
== cMQIs
)
325 return S_OK
; /* we got all requested interfaces */
326 else if (successful_mqis
== 0)
327 return E_NOINTERFACE
; /* we didn't get any interfaces */
329 return S_FALSE
; /* we got some interfaces */
332 static const IMultiQIVtbl ClientIdentity_Vtbl
=
334 ClientIdentity_QueryInterface
,
335 ClientIdentity_AddRef
,
336 ClientIdentity_Release
,
337 ClientIdentity_QueryMultipleInterfaces
340 /* FIXME: remove these */
341 static HRESULT WINAPI
StdMarshalImpl_GetUnmarshalClass(LPMARSHAL iface
, REFIID riid
, void* pv
, DWORD dwDestContext
, void* pvDestContext
, DWORD mshlflags
, CLSID
* pCid
);
342 static HRESULT WINAPI
StdMarshalImpl_GetMarshalSizeMax(LPMARSHAL iface
, REFIID riid
, void* pv
, DWORD dwDestContext
, void* pvDestContext
, DWORD mshlflags
, DWORD
* pSize
);
343 static HRESULT WINAPI
StdMarshalImpl_UnmarshalInterface(LPMARSHAL iface
, IStream
*pStm
, REFIID riid
, void **ppv
);
344 static HRESULT WINAPI
StdMarshalImpl_ReleaseMarshalData(LPMARSHAL iface
, IStream
*pStm
);
345 static HRESULT WINAPI
StdMarshalImpl_DisconnectObject(LPMARSHAL iface
, DWORD dwReserved
);
347 static HRESULT WINAPI
Proxy_QueryInterface(IMarshal
*iface
, REFIID riid
, void **ppvObject
)
349 ICOM_THIS_MULTI(struct proxy_manager
, lpVtblMarshal
, iface
);
350 return IMultiQI_QueryInterface((IMultiQI
*)&This
->lpVtbl
, riid
, ppvObject
);
353 static ULONG WINAPI
Proxy_AddRef(IMarshal
*iface
)
355 ICOM_THIS_MULTI(struct proxy_manager
, lpVtblMarshal
, iface
);
356 return IMultiQI_AddRef((IMultiQI
*)&This
->lpVtbl
);
359 static ULONG WINAPI
Proxy_Release(IMarshal
*iface
)
361 ICOM_THIS_MULTI(struct proxy_manager
, lpVtblMarshal
, iface
);
362 return IMultiQI_Release((IMultiQI
*)&This
->lpVtbl
);
365 static HRESULT WINAPI
Proxy_MarshalInterface(
366 LPMARSHAL iface
, IStream
*pStm
, REFIID riid
, void* pv
, DWORD dwDestContext
,
367 void* pvDestContext
, DWORD mshlflags
)
369 ICOM_THIS_MULTI(struct proxy_manager
, lpVtblMarshal
, iface
);
371 struct ifproxy
*ifproxy
;
373 TRACE("(...,%s,...)\n", debugstr_guid(riid
));
375 hr
= proxy_manager_find_ifproxy(This
, riid
, &ifproxy
);
378 STDOBJREF stdobjref
= ifproxy
->stdobjref
;
380 stdobjref
.cPublicRefs
= 0;
382 if ((mshlflags
!= MSHLFLAGS_TABLEWEAK
) &&
383 (mshlflags
!= MSHLFLAGS_TABLESTRONG
))
385 ULONG cPublicRefs
= ifproxy
->refs
;
386 ULONG cPublicRefsOld
;
387 /* optimization - share out proxy's public references if possible
388 * instead of making new proxy do a roundtrip through the server */
391 ULONG cPublicRefsNew
;
392 cPublicRefsOld
= cPublicRefs
;
393 stdobjref
.cPublicRefs
= cPublicRefs
/ 2;
394 cPublicRefsNew
= cPublicRefs
- stdobjref
.cPublicRefs
;
395 cPublicRefs
= InterlockedCompareExchange(
396 (LONG
*)&ifproxy
->refs
, cPublicRefsNew
, cPublicRefsOld
);
397 } while (cPublicRefs
!= cPublicRefsOld
);
400 /* normal and table-strong marshaling need at least one reference */
401 if (!stdobjref
.cPublicRefs
&& (mshlflags
!= MSHLFLAGS_TABLEWEAK
))
404 hr
= proxy_manager_get_remunknown(This
, &remunk
);
407 HRESULT hrref
= S_OK
;
409 rif
.ipid
= ifproxy
->stdobjref
.ipid
;
410 rif
.cPublicRefs
= (mshlflags
== MSHLFLAGS_TABLESTRONG
) ? 1 : NORMALEXTREFS
;
411 rif
.cPrivateRefs
= 0;
412 hr
= IRemUnknown_RemAddRef(remunk
, 1, &rif
, &hrref
);
413 IRemUnknown_Release(remunk
);
414 if (hr
== S_OK
&& hrref
== S_OK
)
416 /* table-strong marshaling doesn't give the refs to the
417 * client that unmarshals the STDOBJREF */
418 if (mshlflags
!= MSHLFLAGS_TABLESTRONG
)
419 stdobjref
.cPublicRefs
= rif
.cPublicRefs
;
422 ERR("IRemUnknown_RemAddRef returned with 0x%08x, hrref = 0x%08x\n", hr
, hrref
);
428 TRACE("writing stdobjref:\n\tflags = %04lx\n\tcPublicRefs = %ld\n\toxid = %s\n\toid = %s\n\tipid = %s\n",
429 stdobjref
.flags
, stdobjref
.cPublicRefs
,
430 wine_dbgstr_longlong(stdobjref
.oxid
),
431 wine_dbgstr_longlong(stdobjref
.oid
),
432 debugstr_guid(&stdobjref
.ipid
));
433 hr
= IStream_Write(pStm
, &stdobjref
, sizeof(stdobjref
), NULL
);
438 /* we don't have the interface already unmarshaled so we have to
439 * request the object from the server */
442 REMQIRESULT
*qiresults
= NULL
;
445 /* get the ipid of the first entry */
446 /* FIXME: should we implement ClientIdentity on the ifproxies instead
447 * of the proxy_manager so we use the correct ipid here? */
448 ipid
= &LIST_ENTRY(list_head(&This
->interfaces
), struct ifproxy
, entry
)->stdobjref
.ipid
;
450 /* get IRemUnknown proxy so we can communicate with the remote object */
451 hr
= proxy_manager_get_remunknown(This
, &remunk
);
455 hr
= IRemUnknown_RemQueryInterface(remunk
, ipid
, NORMALEXTREFS
,
456 1, &iid
, &qiresults
);
459 hr
= IStream_Write(pStm
, &qiresults
->std
, sizeof(qiresults
->std
), NULL
);
463 rif
.ipid
= qiresults
->std
.ipid
;
464 rif
.cPublicRefs
= qiresults
->std
.cPublicRefs
;
465 rif
.cPrivateRefs
= 0;
466 IRemUnknown_RemRelease(remunk
, 1, &rif
);
468 CoTaskMemFree(qiresults
);
471 ERR("IRemUnknown_RemQueryInterface failed with error 0x%08x\n", hr
);
472 IRemUnknown_Release(remunk
);
479 static const IMarshalVtbl ProxyMarshal_Vtbl
=
481 Proxy_QueryInterface
,
484 StdMarshalImpl_GetUnmarshalClass
,
485 StdMarshalImpl_GetMarshalSizeMax
,
486 Proxy_MarshalInterface
,
487 StdMarshalImpl_UnmarshalInterface
,
488 StdMarshalImpl_ReleaseMarshalData
,
489 StdMarshalImpl_DisconnectObject
492 static HRESULT WINAPI
ProxyCliSec_QueryInterface(IClientSecurity
*iface
, REFIID riid
, void **ppvObject
)
494 ICOM_THIS_MULTI(struct proxy_manager
, lpVtblCliSec
, iface
);
495 return IMultiQI_QueryInterface((IMultiQI
*)&This
->lpVtbl
, riid
, ppvObject
);
498 static ULONG WINAPI
ProxyCliSec_AddRef(IClientSecurity
*iface
)
500 ICOM_THIS_MULTI(struct proxy_manager
, lpVtblCliSec
, iface
);
501 return IMultiQI_AddRef((IMultiQI
*)&This
->lpVtbl
);
504 static ULONG WINAPI
ProxyCliSec_Release(IClientSecurity
*iface
)
506 ICOM_THIS_MULTI(struct proxy_manager
, lpVtblCliSec
, iface
);
507 return IMultiQI_Release((IMultiQI
*)&This
->lpVtbl
);
510 static HRESULT WINAPI
ProxyCliSec_QueryBlanket(IClientSecurity
*iface
,
514 OLECHAR
**pServerPrincName
,
518 DWORD
*pCapabilities
)
520 FIXME("(%p, %p, %p, %p, %p, %p, %p, %p): stub\n", pProxy
, pAuthnSvc
,
521 pAuthzSvc
, pServerPrincName
, pAuthnLevel
, pImpLevel
, pAuthInfo
,
526 static HRESULT WINAPI
ProxyCliSec_SetBlanket(IClientSecurity
*iface
,
527 IUnknown
*pProxy
, DWORD AuthnSvc
,
529 OLECHAR
*pServerPrincName
,
530 DWORD AuthnLevel
, DWORD ImpLevel
,
534 FIXME("(%p, %d, %d, %s, %d, %d, %p, 0x%x): stub\n", pProxy
, AuthnSvc
,
535 AuthzSvc
, debugstr_w(pServerPrincName
), AuthnLevel
, ImpLevel
,
536 pAuthInfo
, Capabilities
);
540 static HRESULT WINAPI
ProxyCliSec_CopyProxy(IClientSecurity
*iface
,
541 IUnknown
*pProxy
, IUnknown
**ppCopy
)
543 FIXME("(%p, %p): stub\n", pProxy
, ppCopy
);
548 static const IClientSecurityVtbl ProxyCliSec_Vtbl
=
550 ProxyCliSec_QueryInterface
,
553 ProxyCliSec_QueryBlanket
,
554 ProxyCliSec_SetBlanket
,
555 ProxyCliSec_CopyProxy
558 static HRESULT
ifproxy_get_public_ref(struct ifproxy
* This
)
562 if (WAIT_OBJECT_0
!= WaitForSingleObject(This
->parent
->remoting_mutex
, INFINITE
))
564 ERR("Wait failed for ifproxy %p\n", This
);
570 IRemUnknown
*remunk
= NULL
;
572 TRACE("getting public ref for ifproxy %p\n", This
);
574 hr
= proxy_manager_get_remunknown(This
->parent
, &remunk
);
577 HRESULT hrref
= S_OK
;
579 rif
.ipid
= This
->stdobjref
.ipid
;
580 rif
.cPublicRefs
= NORMALEXTREFS
;
581 rif
.cPrivateRefs
= 0;
582 hr
= IRemUnknown_RemAddRef(remunk
, 1, &rif
, &hrref
);
583 IRemUnknown_Release(remunk
);
584 if (hr
== S_OK
&& hrref
== S_OK
)
585 InterlockedExchangeAdd((LONG
*)&This
->refs
, NORMALEXTREFS
);
587 ERR("IRemUnknown_RemAddRef returned with 0x%08x, hrref = 0x%08x\n", hr
, hrref
);
590 ReleaseMutex(This
->parent
->remoting_mutex
);
595 static HRESULT
ifproxy_release_public_refs(struct ifproxy
* This
)
600 if (WAIT_OBJECT_0
!= WaitForSingleObject(This
->parent
->remoting_mutex
, INFINITE
))
602 ERR("Wait failed for ifproxy %p\n", This
);
606 public_refs
= This
->refs
;
609 IRemUnknown
*remunk
= NULL
;
611 TRACE("releasing %d refs\n", public_refs
);
613 hr
= proxy_manager_get_remunknown(This
->parent
, &remunk
);
617 rif
.ipid
= This
->stdobjref
.ipid
;
618 rif
.cPublicRefs
= public_refs
;
619 rif
.cPrivateRefs
= 0;
620 hr
= IRemUnknown_RemRelease(remunk
, 1, &rif
);
621 IRemUnknown_Release(remunk
);
623 InterlockedExchangeAdd((LONG
*)&This
->refs
, -public_refs
);
624 else if (hr
== RPC_E_DISCONNECTED
)
625 WARN("couldn't release references because object was "
626 "disconnected: oxid = %s, oid = %s\n",
627 wine_dbgstr_longlong(This
->parent
->oxid
),
628 wine_dbgstr_longlong(This
->parent
->oid
));
630 ERR("IRemUnknown_RemRelease failed with error 0x%08x\n", hr
);
633 ReleaseMutex(This
->parent
->remoting_mutex
);
638 /* should be called inside This->parent->cs critical section */
639 static void ifproxy_disconnect(struct ifproxy
* This
)
641 ifproxy_release_public_refs(This
);
642 if (This
->proxy
) IRpcProxyBuffer_Disconnect(This
->proxy
);
644 IRpcChannelBuffer_Release(This
->chan
);
648 /* should be called in This->parent->cs critical section if it is an entry in parent's list */
649 static void ifproxy_destroy(struct ifproxy
* This
)
653 /* release public references to this object so that the stub can know
654 * when to destroy itself */
655 ifproxy_release_public_refs(This
);
657 list_remove(&This
->entry
);
661 IRpcChannelBuffer_Release(This
->chan
);
665 if (This
->proxy
) IRpcProxyBuffer_Release(This
->proxy
);
667 HeapFree(GetProcessHeap(), 0, This
);
670 static HRESULT
proxy_manager_construct(
671 APARTMENT
* apt
, ULONG sorflags
, OXID oxid
, OID oid
,
672 const OXID_INFO
*oxid_info
, struct proxy_manager
** proxy_manager
)
674 struct proxy_manager
* This
= HeapAlloc(GetProcessHeap(), 0, sizeof(*This
));
675 if (!This
) return E_OUTOFMEMORY
;
677 This
->remoting_mutex
= CreateMutexW(NULL
, FALSE
, NULL
);
678 if (!This
->remoting_mutex
)
680 HeapFree(GetProcessHeap(), 0, This
);
681 return HRESULT_FROM_WIN32(GetLastError());
686 This
->oxid_info
.dwPid
= oxid_info
->dwPid
;
687 This
->oxid_info
.dwTid
= oxid_info
->dwTid
;
688 This
->oxid_info
.ipidRemUnknown
= oxid_info
->ipidRemUnknown
;
689 This
->oxid_info
.dwAuthnHint
= oxid_info
->dwAuthnHint
;
690 This
->oxid_info
.psa
= NULL
/* FIXME: copy from oxid_info */;
694 HRESULT hr
= RPC_ResolveOxid(oxid
, &This
->oxid_info
);
697 CloseHandle(This
->remoting_mutex
);
698 HeapFree(GetProcessHeap(), 0, This
);
703 This
->lpVtbl
= &ClientIdentity_Vtbl
;
704 This
->lpVtblMarshal
= &ProxyMarshal_Vtbl
;
705 This
->lpVtblCliSec
= &ProxyCliSec_Vtbl
;
707 list_init(&This
->entry
);
708 list_init(&This
->interfaces
);
710 InitializeCriticalSection(&This
->cs
);
711 DEBUG_SET_CRITSEC_NAME(&This
->cs
, "proxy_manager");
713 /* the apartment the object was unmarshaled into */
716 /* the source apartment and id of the object */
722 /* the DCOM draft specification states that the SORF_NOPING flag is
723 * proxy manager specific, not ifproxy specific, so this implies that we
724 * should store the STDOBJREF flags here in the proxy manager. */
725 This
->sorflags
= sorflags
;
727 /* we create the IRemUnknown proxy on demand */
730 /* initialise these values to the weakest values and they will be
731 * overwritten in proxy_manager_set_context */
732 This
->dest_context
= MSHCTX_INPROC
;
733 This
->dest_context_data
= NULL
;
735 EnterCriticalSection(&apt
->cs
);
736 /* FIXME: we are dependent on the ordering in here to make sure a proxy's
737 * IRemUnknown proxy doesn't get destroyed before the regual proxy does
738 * because we need the IRemUnknown proxy during the destruction of the
739 * regular proxy. Ideally, we should maintain a separate list for the
740 * IRemUnknown proxies that need late destruction */
741 list_add_tail(&apt
->proxies
, &This
->entry
);
742 LeaveCriticalSection(&apt
->cs
);
744 TRACE("%p created for OXID %s, OID %s\n", This
,
745 wine_dbgstr_longlong(oxid
), wine_dbgstr_longlong(oid
));
747 *proxy_manager
= This
;
751 static inline void proxy_manager_set_context(struct proxy_manager
*This
, MSHCTX dest_context
, void *dest_context_data
)
753 MSHCTX old_dest_context
= This
->dest_context
;
754 MSHCTX new_dest_context
;
758 new_dest_context
= old_dest_context
;
759 /* "stronger" values overwrite "weaker" values. stronger values are
760 * ones that disable more optimisations */
761 switch (old_dest_context
)
764 new_dest_context
= dest_context
;
766 case MSHCTX_CROSSCTX
:
767 switch (dest_context
)
772 new_dest_context
= dest_context
;
776 switch (dest_context
)
779 case MSHCTX_CROSSCTX
:
782 new_dest_context
= dest_context
;
785 case MSHCTX_NOSHAREDMEM
:
786 switch (dest_context
)
788 case MSHCTX_DIFFERENTMACHINE
:
789 new_dest_context
= dest_context
;
799 if (old_dest_context
== new_dest_context
) break;
801 old_dest_context
= InterlockedCompareExchange((PLONG
)&This
->dest_context
, new_dest_context
, old_dest_context
);
802 } while (new_dest_context
!= old_dest_context
);
804 if (dest_context_data
)
805 InterlockedExchangePointer(&This
->dest_context_data
, dest_context_data
);
808 static HRESULT
proxy_manager_query_local_interface(struct proxy_manager
* This
, REFIID riid
, void ** ppv
)
811 struct ifproxy
* ifproxy
;
813 TRACE("%s\n", debugstr_guid(riid
));
815 if (IsEqualIID(riid
, &IID_IUnknown
) ||
816 IsEqualIID(riid
, &IID_IMultiQI
))
818 *ppv
= (void *)&This
->lpVtbl
;
819 IUnknown_AddRef((IUnknown
*)*ppv
);
822 if (IsEqualIID(riid
, &IID_IMarshal
))
824 *ppv
= (void *)&This
->lpVtblMarshal
;
825 IUnknown_AddRef((IUnknown
*)*ppv
);
828 if (IsEqualIID(riid
, &IID_IClientSecurity
))
830 *ppv
= (void *)&This
->lpVtblCliSec
;
831 IUnknown_AddRef((IUnknown
*)*ppv
);
835 hr
= proxy_manager_find_ifproxy(This
, riid
, &ifproxy
);
838 *ppv
= ifproxy
->iface
;
839 IUnknown_AddRef((IUnknown
*)*ppv
);
844 return E_NOINTERFACE
;
847 static HRESULT
proxy_manager_create_ifproxy(
848 struct proxy_manager
* This
, const STDOBJREF
*stdobjref
, REFIID riid
,
849 IRpcChannelBuffer
* channel
, struct ifproxy
** iif_out
)
852 IPSFactoryBuffer
* psfb
;
853 struct ifproxy
* ifproxy
= HeapAlloc(GetProcessHeap(), 0, sizeof(*ifproxy
));
854 if (!ifproxy
) return E_OUTOFMEMORY
;
856 list_init(&ifproxy
->entry
);
858 ifproxy
->parent
= This
;
859 ifproxy
->stdobjref
= *stdobjref
;
860 ifproxy
->iid
= *riid
;
862 ifproxy
->proxy
= NULL
;
865 ifproxy
->chan
= channel
; /* FIXME: we should take the binding strings and construct the channel in this function */
867 /* the IUnknown interface is special because it does not have a
868 * proxy associated with the ifproxy as we handle IUnknown ourselves */
869 if (IsEqualIID(riid
, &IID_IUnknown
))
871 ifproxy
->iface
= (void *)&This
->lpVtbl
;
872 IMultiQI_AddRef((IMultiQI
*)&This
->lpVtbl
);
877 hr
= get_facbuf_for_iid(riid
, &psfb
);
880 /* important note: the outer unknown is set to the proxy manager.
881 * This ensures the COM identity rules are not violated, by having a
882 * one-to-one mapping of objects on the proxy side to objects on the
883 * stub side, no matter which interface you view the object through */
884 hr
= IPSFactoryBuffer_CreateProxy(psfb
, (IUnknown
*)&This
->lpVtbl
, riid
,
885 &ifproxy
->proxy
, &ifproxy
->iface
);
886 IPSFactoryBuffer_Release(psfb
);
888 ERR("Could not create proxy for interface %s, error 0x%08x\n",
889 debugstr_guid(riid
), hr
);
892 ERR("Could not get IPSFactoryBuffer for interface %s, error 0x%08x\n",
893 debugstr_guid(riid
), hr
);
896 hr
= IRpcProxyBuffer_Connect(ifproxy
->proxy
, ifproxy
->chan
);
901 EnterCriticalSection(&This
->cs
);
902 list_add_tail(&This
->interfaces
, &ifproxy
->entry
);
903 LeaveCriticalSection(&This
->cs
);
906 TRACE("ifproxy %p created for IPID %s, interface %s with %lu public refs\n",
907 ifproxy
, debugstr_guid(&stdobjref
->ipid
), debugstr_guid(riid
), stdobjref
->cPublicRefs
);
910 ifproxy_destroy(ifproxy
);
915 static HRESULT
proxy_manager_find_ifproxy(struct proxy_manager
* This
, REFIID riid
, struct ifproxy
** ifproxy_found
)
917 HRESULT hr
= E_NOINTERFACE
; /* assume not found */
918 struct list
* cursor
;
920 EnterCriticalSection(&This
->cs
);
921 LIST_FOR_EACH(cursor
, &This
->interfaces
)
923 struct ifproxy
* ifproxy
= LIST_ENTRY(cursor
, struct ifproxy
, entry
);
924 if (IsEqualIID(riid
, &ifproxy
->iid
))
926 *ifproxy_found
= ifproxy
;
931 LeaveCriticalSection(&This
->cs
);
936 static void proxy_manager_disconnect(struct proxy_manager
* This
)
938 struct list
* cursor
;
940 TRACE("oxid = %s, oid = %s\n", wine_dbgstr_longlong(This
->oxid
),
941 wine_dbgstr_longlong(This
->oid
));
943 EnterCriticalSection(&This
->cs
);
945 /* SORFP_NOLIFTIMEMGMT proxies (for IRemUnknown) shouldn't be
946 * disconnected - it won't do anything anyway, except cause
947 * problems for other objects that depend on this proxy always
949 if (!(This
->sorflags
& SORFP_NOLIFETIMEMGMT
))
951 LIST_FOR_EACH(cursor
, &This
->interfaces
)
953 struct ifproxy
* ifproxy
= LIST_ENTRY(cursor
, struct ifproxy
, entry
);
954 ifproxy_disconnect(ifproxy
);
958 /* apartment is being destroyed so don't keep a pointer around to it */
961 LeaveCriticalSection(&This
->cs
);
964 static HRESULT
proxy_manager_get_remunknown(struct proxy_manager
* This
, IRemUnknown
**remunk
)
967 struct apartment
*apt
;
968 BOOL called_in_original_apt
;
970 /* we don't want to try and unmarshal or use IRemUnknown if we don't want
971 * lifetime management */
972 if (This
->sorflags
& SORFP_NOLIFETIMEMGMT
)
975 apt
= COM_CurrentApt();
977 return CO_E_NOTINITIALIZED
;
979 called_in_original_apt
= This
->parent
&& (This
->parent
->oxid
== apt
->oxid
);
981 EnterCriticalSection(&This
->cs
);
982 /* only return the cached object if called from the original apartment.
983 * in future, we might want to make the IRemUnknown proxy callable from any
984 * apartment to avoid these checks */
985 if (This
->remunk
&& called_in_original_apt
)
987 /* already created - return existing object */
988 *remunk
= This
->remunk
;
989 IRemUnknown_AddRef(*remunk
);
991 else if (!This
->parent
)
992 /* disconnected - we can't create IRemUnknown */
997 /* Don't want IRemUnknown lifetime management as this is IRemUnknown!
998 * We also don't care about whether or not the stub is still alive */
999 stdobjref
.flags
= SORFP_NOLIFETIMEMGMT
| SORF_NOPING
;
1000 stdobjref
.cPublicRefs
= 1;
1001 /* oxid of destination object */
1002 stdobjref
.oxid
= This
->oxid
;
1003 /* FIXME: what should be used for the oid? The DCOM draft doesn't say */
1004 stdobjref
.oid
= (OID
)-1;
1005 stdobjref
.ipid
= This
->oxid_info
.ipidRemUnknown
;
1007 /* do the unmarshal */
1008 hr
= unmarshal_object(&stdobjref
, COM_CurrentApt(), This
->dest_context
,
1009 This
->dest_context_data
, &IID_IRemUnknown
,
1010 &This
->oxid_info
, (void**)remunk
);
1011 if (hr
== S_OK
&& called_in_original_apt
)
1013 This
->remunk
= *remunk
;
1014 IRemUnknown_AddRef(This
->remunk
);
1017 LeaveCriticalSection(&This
->cs
);
1019 TRACE("got IRemUnknown* pointer %p, hr = 0x%08x\n", *remunk
, hr
);
1024 /* destroys a proxy manager, freeing the memory it used.
1025 * Note: this function should not be called from a list iteration in the
1026 * apartment, due to the fact that it removes itself from the apartment and
1027 * it could add a proxy to IRemUnknown into the apartment. */
1028 static void proxy_manager_destroy(struct proxy_manager
* This
)
1030 struct list
* cursor
;
1032 TRACE("oxid = %s, oid = %s\n", wine_dbgstr_longlong(This
->oxid
),
1033 wine_dbgstr_longlong(This
->oid
));
1037 EnterCriticalSection(&This
->parent
->cs
);
1039 /* remove ourself from the list of proxy objects in the apartment */
1040 LIST_FOR_EACH(cursor
, &This
->parent
->proxies
)
1042 if (cursor
== &This
->entry
)
1044 list_remove(&This
->entry
);
1049 LeaveCriticalSection(&This
->parent
->cs
);
1052 /* destroy all of the interface proxies */
1053 while ((cursor
= list_head(&This
->interfaces
)))
1055 struct ifproxy
* ifproxy
= LIST_ENTRY(cursor
, struct ifproxy
, entry
);
1056 ifproxy_destroy(ifproxy
);
1059 if (This
->remunk
) IRemUnknown_Release(This
->remunk
);
1060 CoTaskMemFree(This
->oxid_info
.psa
);
1062 DEBUG_CLEAR_CRITSEC_NAME(&This
->cs
);
1063 DeleteCriticalSection(&This
->cs
);
1065 CloseHandle(This
->remoting_mutex
);
1067 HeapFree(GetProcessHeap(), 0, This
);
1070 /* finds the proxy manager corresponding to a given OXID and OID that has
1071 * been unmarshaled in the specified apartment. The caller must release the
1072 * reference to the proxy_manager when the object is no longer used. */
1073 static BOOL
find_proxy_manager(APARTMENT
* apt
, OXID oxid
, OID oid
, struct proxy_manager
** proxy_found
)
1076 struct list
* cursor
;
1078 EnterCriticalSection(&apt
->cs
);
1079 LIST_FOR_EACH(cursor
, &apt
->proxies
)
1081 struct proxy_manager
* proxy
= LIST_ENTRY(cursor
, struct proxy_manager
, entry
);
1082 if ((oxid
== proxy
->oxid
) && (oid
== proxy
->oid
))
1084 *proxy_found
= proxy
;
1085 ClientIdentity_AddRef((IMultiQI
*)&proxy
->lpVtbl
);
1090 LeaveCriticalSection(&apt
->cs
);
1094 HRESULT
apartment_disconnectproxies(struct apartment
*apt
)
1096 struct list
* cursor
;
1098 LIST_FOR_EACH(cursor
, &apt
->proxies
)
1100 struct proxy_manager
* proxy
= LIST_ENTRY(cursor
, struct proxy_manager
, entry
);
1101 proxy_manager_disconnect(proxy
);
1107 /********************** StdMarshal implementation ****************************/
1108 typedef struct _StdMarshalImpl
1110 const IMarshalVtbl
*lpvtbl
;
1114 DWORD dwDestContext
;
1115 LPVOID pvDestContext
;
1119 static HRESULT WINAPI
1120 StdMarshalImpl_QueryInterface(LPMARSHAL iface
, REFIID riid
, LPVOID
*ppv
)
1123 if (IsEqualIID(&IID_IUnknown
, riid
) || IsEqualIID(&IID_IMarshal
, riid
))
1126 IUnknown_AddRef(iface
);
1129 FIXME("No interface for %s.\n", debugstr_guid(riid
));
1130 return E_NOINTERFACE
;
1134 StdMarshalImpl_AddRef(LPMARSHAL iface
)
1136 StdMarshalImpl
*This
= (StdMarshalImpl
*)iface
;
1137 return InterlockedIncrement(&This
->ref
);
1141 StdMarshalImpl_Release(LPMARSHAL iface
)
1143 StdMarshalImpl
*This
= (StdMarshalImpl
*)iface
;
1144 ULONG ref
= InterlockedDecrement(&This
->ref
);
1146 if (!ref
) HeapFree(GetProcessHeap(),0,This
);
1150 static HRESULT WINAPI
1151 StdMarshalImpl_GetUnmarshalClass(
1152 LPMARSHAL iface
, REFIID riid
, void* pv
, DWORD dwDestContext
,
1153 void* pvDestContext
, DWORD mshlflags
, CLSID
* pCid
)
1155 *pCid
= CLSID_DfMarshal
;
1159 static HRESULT WINAPI
1160 StdMarshalImpl_GetMarshalSizeMax(
1161 LPMARSHAL iface
, REFIID riid
, void* pv
, DWORD dwDestContext
,
1162 void* pvDestContext
, DWORD mshlflags
, DWORD
* pSize
)
1164 *pSize
= sizeof(STDOBJREF
);
1168 static HRESULT WINAPI
1169 StdMarshalImpl_MarshalInterface(
1170 LPMARSHAL iface
, IStream
*pStm
,REFIID riid
, void* pv
, DWORD dwDestContext
,
1171 void* pvDestContext
, DWORD mshlflags
)
1173 STDOBJREF stdobjref
;
1176 APARTMENT
*apt
= COM_CurrentApt();
1178 TRACE("(...,%s,...)\n", debugstr_guid(riid
));
1182 ERR("Apartment not initialized\n");
1183 return CO_E_NOTINITIALIZED
;
1186 /* make sure this apartment can be reached from other threads / processes */
1187 RPC_StartRemoting(apt
);
1189 hres
= marshal_object(apt
, &stdobjref
, riid
, (IUnknown
*)pv
, mshlflags
);
1192 ERR("Failed to create ifstub, hres=0x%x\n", hres
);
1196 hres
= IStream_Write(pStm
, &stdobjref
, sizeof(stdobjref
), &res
);
1197 if (hres
) return hres
;
1202 /* helper for StdMarshalImpl_UnmarshalInterface - does the unmarshaling with
1203 * no questions asked about the rules surrounding same-apartment unmarshals
1204 * and table marshaling */
1205 static HRESULT
unmarshal_object(const STDOBJREF
*stdobjref
, APARTMENT
*apt
,
1206 MSHCTX dest_context
, void *dest_context_data
,
1207 REFIID riid
, const OXID_INFO
*oxid_info
,
1210 struct proxy_manager
*proxy_manager
= NULL
;
1215 TRACE("stdobjref:\n\tflags = %04lx\n\tcPublicRefs = %ld\n\toxid = %s\n\toid = %s\n\tipid = %s\n",
1216 stdobjref
->flags
, stdobjref
->cPublicRefs
,
1217 wine_dbgstr_longlong(stdobjref
->oxid
),
1218 wine_dbgstr_longlong(stdobjref
->oid
),
1219 debugstr_guid(&stdobjref
->ipid
));
1221 /* create a new proxy manager if one doesn't already exist for the
1223 if (!find_proxy_manager(apt
, stdobjref
->oxid
, stdobjref
->oid
, &proxy_manager
))
1225 hr
= proxy_manager_construct(apt
, stdobjref
->flags
,
1226 stdobjref
->oxid
, stdobjref
->oid
, oxid_info
,
1230 TRACE("proxy manager already created, using\n");
1234 struct ifproxy
* ifproxy
;
1236 proxy_manager_set_context(proxy_manager
, dest_context
, dest_context_data
);
1238 hr
= proxy_manager_find_ifproxy(proxy_manager
, riid
, &ifproxy
);
1239 if (hr
== E_NOINTERFACE
)
1241 IRpcChannelBuffer
*chanbuf
;
1242 hr
= RPC_CreateClientChannel(&stdobjref
->oxid
, &stdobjref
->ipid
,
1243 &proxy_manager
->oxid_info
,
1244 proxy_manager
->dest_context
,
1245 proxy_manager
->dest_context_data
,
1248 hr
= proxy_manager_create_ifproxy(proxy_manager
, stdobjref
,
1249 riid
, chanbuf
, &ifproxy
);
1252 IUnknown_AddRef((IUnknown
*)ifproxy
->iface
);
1256 InterlockedExchangeAdd((LONG
*)&ifproxy
->refs
, stdobjref
->cPublicRefs
);
1257 /* get at least one external reference to the object to keep it alive */
1258 hr
= ifproxy_get_public_ref(ifproxy
);
1260 ifproxy_destroy(ifproxy
);
1264 *object
= ifproxy
->iface
;
1267 /* release our reference to the proxy manager - the client/apartment
1268 * will hold on to the remaining reference for us */
1269 if (proxy_manager
) ClientIdentity_Release((IMultiQI
*)&proxy_manager
->lpVtbl
);
1274 static HRESULT WINAPI
1275 StdMarshalImpl_UnmarshalInterface(LPMARSHAL iface
, IStream
*pStm
, REFIID riid
, void **ppv
)
1277 StdMarshalImpl
*This
= (StdMarshalImpl
*)iface
;
1278 struct stub_manager
*stubmgr
= NULL
;
1279 STDOBJREF stdobjref
;
1282 APARTMENT
*apt
= COM_CurrentApt();
1283 APARTMENT
*stub_apt
;
1286 TRACE("(...,%s,....)\n", debugstr_guid(riid
));
1288 /* we need an apartment to unmarshal into */
1291 ERR("Apartment not initialized\n");
1292 return CO_E_NOTINITIALIZED
;
1295 /* read STDOBJREF from wire */
1296 hres
= IStream_Read(pStm
, &stdobjref
, sizeof(stdobjref
), &res
);
1297 if (hres
) return STG_E_READFAULT
;
1299 hres
= apartment_getoxid(apt
, &oxid
);
1300 if (hres
) return hres
;
1302 /* check if we're marshalling back to ourselves */
1303 if ((oxid
== stdobjref
.oxid
) && (stubmgr
= get_stub_manager(apt
, stdobjref
.oid
)))
1305 TRACE("Unmarshalling object marshalled in same apartment for iid %s, "
1306 "returning original object %p\n", debugstr_guid(riid
), stubmgr
->object
);
1308 hres
= IUnknown_QueryInterface(stubmgr
->object
, riid
, ppv
);
1310 /* unref the ifstub. FIXME: only do this on success? */
1311 if (!stub_manager_is_table_marshaled(stubmgr
, &stdobjref
.ipid
))
1312 stub_manager_ext_release(stubmgr
, stdobjref
.cPublicRefs
, TRUE
);
1314 stub_manager_int_release(stubmgr
);
1318 /* notify stub manager about unmarshal if process-local object.
1319 * note: if the oxid is not found then we and native will quite happily
1320 * ignore table marshaling and normal marshaling rules regarding number of
1321 * unmarshals, etc, but if you abuse these rules then your proxy could end
1322 * up returning RPC_E_DISCONNECTED. */
1323 if ((stub_apt
= apartment_findfromoxid(stdobjref
.oxid
, TRUE
)))
1325 if ((stubmgr
= get_stub_manager(stub_apt
, stdobjref
.oid
)))
1327 if (!stub_manager_notify_unmarshal(stubmgr
, &stdobjref
.ipid
))
1328 hres
= CO_E_OBJNOTCONNECTED
;
1332 WARN("Couldn't find object for OXID %s, OID %s, assuming disconnected\n",
1333 wine_dbgstr_longlong(stdobjref
.oxid
),
1334 wine_dbgstr_longlong(stdobjref
.oid
));
1335 hres
= CO_E_OBJNOTCONNECTED
;
1339 TRACE("Treating unmarshal from OXID %s as inter-process\n",
1340 wine_dbgstr_longlong(stdobjref
.oxid
));
1343 hres
= unmarshal_object(&stdobjref
, apt
, This
->dwDestContext
,
1344 This
->pvDestContext
, riid
,
1345 stubmgr
? &stubmgr
->oxid_info
: NULL
, ppv
);
1347 if (stubmgr
) stub_manager_int_release(stubmgr
);
1348 if (stub_apt
) apartment_release(stub_apt
);
1350 if (hres
) WARN("Failed with error 0x%08x\n", hres
);
1351 else TRACE("Successfully created proxy %p\n", *ppv
);
1356 static HRESULT WINAPI
1357 StdMarshalImpl_ReleaseMarshalData(LPMARSHAL iface
, IStream
*pStm
)
1359 STDOBJREF stdobjref
;
1362 struct stub_manager
*stubmgr
;
1365 TRACE("iface=%p, pStm=%p\n", iface
, pStm
);
1367 hres
= IStream_Read(pStm
, &stdobjref
, sizeof(stdobjref
), &res
);
1368 if (hres
) return STG_E_READFAULT
;
1370 TRACE("oxid = %s, oid = %s, ipid = %s\n",
1371 wine_dbgstr_longlong(stdobjref
.oxid
),
1372 wine_dbgstr_longlong(stdobjref
.oid
),
1373 wine_dbgstr_guid(&stdobjref
.ipid
));
1375 if (!(apt
= apartment_findfromoxid(stdobjref
.oxid
, TRUE
)))
1377 WARN("Could not map OXID %s to apartment object\n",
1378 wine_dbgstr_longlong(stdobjref
.oxid
));
1379 return RPC_E_INVALID_OBJREF
;
1382 if (!(stubmgr
= get_stub_manager(apt
, stdobjref
.oid
)))
1384 ERR("could not map object ID to stub manager, oxid=%s, oid=%s\n",
1385 wine_dbgstr_longlong(stdobjref
.oxid
), wine_dbgstr_longlong(stdobjref
.oid
));
1386 return RPC_E_INVALID_OBJREF
;
1389 stub_manager_release_marshal_data(stubmgr
, stdobjref
.cPublicRefs
, &stdobjref
.ipid
);
1391 stub_manager_int_release(stubmgr
);
1392 apartment_release(apt
);
1397 static HRESULT WINAPI
1398 StdMarshalImpl_DisconnectObject(LPMARSHAL iface
, DWORD dwReserved
)
1400 FIXME("(), stub!\n");
1404 static const IMarshalVtbl VT_StdMarshal
=
1406 StdMarshalImpl_QueryInterface
,
1407 StdMarshalImpl_AddRef
,
1408 StdMarshalImpl_Release
,
1409 StdMarshalImpl_GetUnmarshalClass
,
1410 StdMarshalImpl_GetMarshalSizeMax
,
1411 StdMarshalImpl_MarshalInterface
,
1412 StdMarshalImpl_UnmarshalInterface
,
1413 StdMarshalImpl_ReleaseMarshalData
,
1414 StdMarshalImpl_DisconnectObject
1417 static HRESULT
StdMarshalImpl_Construct(REFIID riid
, void** ppvObject
)
1419 StdMarshalImpl
* pStdMarshal
=
1420 HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(StdMarshalImpl
));
1422 return E_OUTOFMEMORY
;
1423 pStdMarshal
->lpvtbl
= &VT_StdMarshal
;
1424 pStdMarshal
->ref
= 0;
1425 return IMarshal_QueryInterface((IMarshal
*)pStdMarshal
, riid
, ppvObject
);
1428 /***********************************************************************
1429 * CoGetStandardMarshal [OLE32.@]
1431 * Gets or creates a standard marshal object.
1434 * riid [I] Interface identifier of the pUnk object.
1435 * pUnk [I] Optional. Object to get the marshal object for.
1436 * dwDestContext [I] Destination. Used to enable or disable optimizations.
1437 * pvDestContext [I] Reserved. Must be NULL.
1438 * mshlflags [I] Flags affecting the marshaling process.
1439 * ppMarshal [O] Address where marshal object will be stored.
1443 * Failure: HRESULT code.
1447 * The function retrieves the IMarshal object associated with an object if
1448 * that object is currently an active stub, otherwise a new marshal object is
1451 HRESULT WINAPI
CoGetStandardMarshal(REFIID riid
, IUnknown
*pUnk
,
1452 DWORD dwDestContext
, LPVOID pvDestContext
,
1453 DWORD mshlflags
, LPMARSHAL
*ppMarshal
)
1459 FIXME("(%s,NULL,%x,%p,%x,%p), unimplemented yet.\n",
1460 debugstr_guid(riid
),dwDestContext
,pvDestContext
,mshlflags
,ppMarshal
);
1463 TRACE("(%s,%p,%x,%p,%x,%p)\n",
1464 debugstr_guid(riid
),pUnk
,dwDestContext
,pvDestContext
,mshlflags
,ppMarshal
);
1465 *ppMarshal
= HeapAlloc(GetProcessHeap(),0,sizeof(StdMarshalImpl
));
1466 dm
= (StdMarshalImpl
*) *ppMarshal
;
1467 if (!dm
) return E_FAIL
;
1468 dm
->lpvtbl
= &VT_StdMarshal
;
1472 dm
->dwDestContext
= dwDestContext
;
1473 dm
->pvDestContext
= pvDestContext
;
1474 dm
->mshlflags
= mshlflags
;
1478 /***********************************************************************
1479 * get_marshaler [internal]
1481 * Retrieves an IMarshal interface for an object.
1483 static HRESULT
get_marshaler(REFIID riid
, IUnknown
*pUnk
, DWORD dwDestContext
,
1484 void *pvDestContext
, DWORD mshlFlags
,
1485 LPMARSHAL
*pMarshal
)
1491 hr
= IUnknown_QueryInterface(pUnk
, &IID_IMarshal
, (LPVOID
*)pMarshal
);
1493 hr
= CoGetStandardMarshal(riid
, pUnk
, dwDestContext
, pvDestContext
,
1494 mshlFlags
, pMarshal
);
1498 /***********************************************************************
1499 * get_unmarshaler_from_stream [internal]
1501 * Creates an IMarshal* object according to the data marshaled to the stream.
1502 * The function leaves the stream pointer at the start of the data written
1503 * to the stream by the IMarshal* object.
1505 static HRESULT
get_unmarshaler_from_stream(IStream
*stream
, IMarshal
**marshal
, IID
*iid
)
1511 /* read common OBJREF header */
1512 hr
= IStream_Read(stream
, &objref
, FIELD_OFFSET(OBJREF
, u_objref
), &res
);
1513 if (hr
|| (res
!= FIELD_OFFSET(OBJREF
, u_objref
)))
1515 ERR("Failed to read common OBJREF header, 0x%08x\n", hr
);
1516 return STG_E_READFAULT
;
1519 /* sanity check on header */
1520 if (objref
.signature
!= OBJREF_SIGNATURE
)
1522 ERR("Bad OBJREF signature 0x%08lx\n", objref
.signature
);
1523 return RPC_E_INVALID_OBJREF
;
1526 if (iid
) *iid
= objref
.iid
;
1528 /* FIXME: handler marshaling */
1529 if (objref
.flags
& OBJREF_STANDARD
)
1531 TRACE("Using standard unmarshaling\n");
1532 hr
= StdMarshalImpl_Construct(&IID_IMarshal
, (LPVOID
*)marshal
);
1534 else if (objref
.flags
& OBJREF_CUSTOM
)
1536 ULONG custom_header_size
= FIELD_OFFSET(OBJREF
, u_objref
.u_custom
.pData
) -
1537 FIELD_OFFSET(OBJREF
, u_objref
.u_custom
);
1538 TRACE("Using custom unmarshaling\n");
1539 /* read constant sized OR_CUSTOM data from stream */
1540 hr
= IStream_Read(stream
, &objref
.u_objref
.u_custom
,
1541 custom_header_size
, &res
);
1542 if (hr
|| (res
!= custom_header_size
))
1544 ERR("Failed to read OR_CUSTOM header, 0x%08x\n", hr
);
1545 return STG_E_READFAULT
;
1547 /* now create the marshaler specified in the stream */
1548 hr
= CoCreateInstance(&objref
.u_objref
.u_custom
.clsid
, NULL
,
1549 CLSCTX_INPROC_SERVER
, &IID_IMarshal
,
1554 FIXME("Invalid or unimplemented marshaling type specified: %lx\n",
1556 return RPC_E_INVALID_OBJREF
;
1560 ERR("Failed to create marshal, 0x%08x\n", hr
);
1565 /***********************************************************************
1566 * CoGetMarshalSizeMax [OLE32.@]
1568 * Gets the maximum amount of data that will be needed by a marshal.
1571 * pulSize [O] Address where maximum marshal size will be stored.
1572 * riid [I] Identifier of the interface to marshal.
1573 * pUnk [I] Pointer to the object to marshal.
1574 * dwDestContext [I] Destination. Used to enable or disable optimizations.
1575 * pvDestContext [I] Reserved. Must be NULL.
1576 * mshlFlags [I] Flags that affect the marshaling. See CoMarshalInterface().
1580 * Failure: HRESULT code.
1583 * CoMarshalInterface().
1585 HRESULT WINAPI
CoGetMarshalSizeMax(ULONG
*pulSize
, REFIID riid
, IUnknown
*pUnk
,
1586 DWORD dwDestContext
, void *pvDestContext
,
1591 CLSID marshaler_clsid
;
1593 hr
= get_marshaler(riid
, pUnk
, dwDestContext
, pvDestContext
, mshlFlags
, &pMarshal
);
1597 hr
= IMarshal_GetUnmarshalClass(pMarshal
, riid
, pUnk
, dwDestContext
,
1598 pvDestContext
, mshlFlags
, &marshaler_clsid
);
1601 ERR("IMarshal::GetUnmarshalClass failed, 0x%08x\n", hr
);
1602 IMarshal_Release(pMarshal
);
1606 hr
= IMarshal_GetMarshalSizeMax(pMarshal
, riid
, pUnk
, dwDestContext
,
1607 pvDestContext
, mshlFlags
, pulSize
);
1608 if (IsEqualCLSID(&marshaler_clsid
, &CLSID_DfMarshal
))
1609 /* add on the size of the common header */
1610 *pulSize
+= FIELD_OFFSET(OBJREF
, u_objref
);
1612 /* custom marshaling: add on the size of the whole OBJREF structure
1613 * like native does */
1614 *pulSize
+= sizeof(OBJREF
);
1616 IMarshal_Release(pMarshal
);
1621 static void dump_MSHLFLAGS(MSHLFLAGS flags
)
1623 if (flags
& MSHLFLAGS_TABLESTRONG
)
1624 TRACE(" MSHLFLAGS_TABLESTRONG");
1625 if (flags
& MSHLFLAGS_TABLEWEAK
)
1626 TRACE(" MSHLFLAGS_TABLEWEAK");
1627 if (!(flags
& (MSHLFLAGS_TABLESTRONG
|MSHLFLAGS_TABLEWEAK
)))
1628 TRACE(" MSHLFLAGS_NORMAL");
1629 if (flags
& MSHLFLAGS_NOPING
)
1630 TRACE(" MSHLFLAGS_NOPING");
1633 /***********************************************************************
1634 * CoMarshalInterface [OLE32.@]
1636 * Marshals an interface into a stream so that the object can then be
1637 * unmarshaled from another COM apartment and used remotely.
1640 * pStream [I] Stream the object will be marshaled into.
1641 * riid [I] Identifier of the interface to marshal.
1642 * pUnk [I] Pointer to the object to marshal.
1643 * dwDestContext [I] Destination. Used to enable or disable optimizations.
1644 * pvDestContext [I] Reserved. Must be NULL.
1645 * mshlFlags [I] Flags that affect the marshaling. See notes.
1649 * Failure: HRESULT code.
1653 * The mshlFlags parameter can take one or more of the following flags:
1654 *| MSHLFLAGS_NORMAL - Unmarshal once, releases stub on last proxy release.
1655 *| MSHLFLAGS_TABLESTRONG - Unmarshal many, release when CoReleaseMarshalData() called.
1656 *| MSHLFLAGS_TABLEWEAK - Unmarshal many, releases stub on last proxy release.
1657 *| MSHLFLAGS_NOPING - No automatic garbage collection (and so reduces network traffic).
1659 * If a marshaled object is not unmarshaled, then CoReleaseMarshalData() must
1660 * be called in order to release the resources used in the marshaling.
1663 * CoUnmarshalInterface(), CoReleaseMarshalData().
1665 HRESULT WINAPI
CoMarshalInterface(IStream
*pStream
, REFIID riid
, IUnknown
*pUnk
,
1666 DWORD dwDestContext
, void *pvDestContext
,
1670 CLSID marshaler_clsid
;
1674 TRACE("(%p, %s, %p, %x, %p,", pStream
, debugstr_guid(riid
), pUnk
,
1675 dwDestContext
, pvDestContext
);
1676 dump_MSHLFLAGS(mshlFlags
);
1679 if (!pUnk
|| !pStream
)
1680 return E_INVALIDARG
;
1682 objref
.signature
= OBJREF_SIGNATURE
;
1685 /* get the marshaler for the specified interface */
1686 hr
= get_marshaler(riid
, pUnk
, dwDestContext
, pvDestContext
, mshlFlags
, &pMarshal
);
1689 ERR("Failed to get marshaller, 0x%08x\n", hr
);
1693 hr
= IMarshal_GetUnmarshalClass(pMarshal
, riid
, pUnk
, dwDestContext
,
1694 pvDestContext
, mshlFlags
, &marshaler_clsid
);
1697 ERR("IMarshal::GetUnmarshalClass failed, 0x%08x\n", hr
);
1701 /* FIXME: implement handler marshaling too */
1702 if (IsEqualCLSID(&marshaler_clsid
, &CLSID_DfMarshal
))
1704 TRACE("Using standard marshaling\n");
1705 objref
.flags
= OBJREF_STANDARD
;
1707 /* write the common OBJREF header to the stream */
1708 hr
= IStream_Write(pStream
, &objref
, FIELD_OFFSET(OBJREF
, u_objref
), NULL
);
1711 ERR("Failed to write OBJREF header to stream, 0x%08x\n", hr
);
1717 TRACE("Using custom marshaling\n");
1718 objref
.flags
= OBJREF_CUSTOM
;
1719 objref
.u_objref
.u_custom
.clsid
= marshaler_clsid
;
1720 objref
.u_objref
.u_custom
.cbExtension
= 0;
1721 objref
.u_objref
.u_custom
.size
= 0;
1722 hr
= IMarshal_GetMarshalSizeMax(pMarshal
, riid
, pUnk
, dwDestContext
,
1723 pvDestContext
, mshlFlags
,
1724 &objref
.u_objref
.u_custom
.size
);
1727 ERR("Failed to get max size of marshal data, error 0x%08x\n", hr
);
1730 /* write constant sized common header and OR_CUSTOM data into stream */
1731 hr
= IStream_Write(pStream
, &objref
,
1732 FIELD_OFFSET(OBJREF
, u_objref
.u_custom
.pData
), NULL
);
1735 ERR("Failed to write OR_CUSTOM header to stream with 0x%08x\n", hr
);
1740 TRACE("Calling IMarshal::MarshalInterace\n");
1741 /* call helper object to do the actual marshaling */
1742 hr
= IMarshal_MarshalInterface(pMarshal
, pStream
, riid
, pUnk
, dwDestContext
,
1743 pvDestContext
, mshlFlags
);
1747 ERR("Failed to marshal the interface %s, %x\n", debugstr_guid(riid
), hr
);
1752 IMarshal_Release(pMarshal
);
1754 TRACE("completed with hr 0x%08x\n", hr
);
1759 /***********************************************************************
1760 * CoUnmarshalInterface [OLE32.@]
1762 * Unmarshals an object from a stream by creating a proxy to the remote
1763 * object, if necessary.
1767 * pStream [I] Stream containing the marshaled object.
1768 * riid [I] Interface identifier of the object to create a proxy to.
1769 * ppv [O] Address where proxy will be stored.
1774 * Failure: HRESULT code.
1777 * CoMarshalInterface().
1779 HRESULT WINAPI
CoUnmarshalInterface(IStream
*pStream
, REFIID riid
, LPVOID
*ppv
)
1786 TRACE("(%p, %s, %p)\n", pStream
, debugstr_guid(riid
), ppv
);
1788 if (!pStream
|| !ppv
)
1789 return E_INVALIDARG
;
1791 hr
= get_unmarshaler_from_stream(pStream
, &pMarshal
, &iid
);
1795 /* call the helper object to do the actual unmarshaling */
1796 hr
= IMarshal_UnmarshalInterface(pMarshal
, pStream
, &iid
, (LPVOID
*)&object
);
1798 ERR("IMarshal::UnmarshalInterface failed, 0x%08x\n", hr
);
1802 /* IID_NULL means use the interface ID of the marshaled object */
1803 if (!IsEqualIID(riid
, &IID_NULL
) && !IsEqualIID(riid
, &iid
))
1805 TRACE("requested interface != marshalled interface, additional QI needed\n");
1806 hr
= IUnknown_QueryInterface(object
, riid
, ppv
);
1808 ERR("Couldn't query for interface %s, hr = 0x%08x\n",
1809 debugstr_guid(riid
), hr
);
1810 IUnknown_Release(object
);
1818 IMarshal_Release(pMarshal
);
1820 TRACE("completed with hr 0x%x\n", hr
);
1825 /***********************************************************************
1826 * CoReleaseMarshalData [OLE32.@]
1828 * Releases resources associated with an object that has been marshaled into
1833 * pStream [I] The stream that the object has been marshaled into.
1837 * Failure: HRESULT error code.
1841 * Call this function to release resources associated with a normal or
1842 * table-weak marshal that will not be unmarshaled, and all table-strong
1843 * marshals when they are no longer needed.
1846 * CoMarshalInterface(), CoUnmarshalInterface().
1848 HRESULT WINAPI
CoReleaseMarshalData(IStream
*pStream
)
1853 TRACE("(%p)\n", pStream
);
1855 hr
= get_unmarshaler_from_stream(pStream
, &pMarshal
, NULL
);
1859 /* call the helper object to do the releasing of marshal data */
1860 hr
= IMarshal_ReleaseMarshalData(pMarshal
, pStream
);
1862 ERR("IMarshal::ReleaseMarshalData failed with error 0x%08x\n", hr
);
1864 IMarshal_Release(pMarshal
);
1869 /***********************************************************************
1870 * CoMarshalInterThreadInterfaceInStream [OLE32.@]
1872 * Marshal an interface across threads in the same process.
1875 * riid [I] Identifier of the interface to be marshalled.
1876 * pUnk [I] Pointer to IUnknown-derived interface that will be marshalled.
1877 * ppStm [O] Pointer to IStream object that is created and then used to store the marshalled interface.
1881 * Failure: E_OUTOFMEMORY and other COM error codes
1884 * CoMarshalInterface(), CoUnmarshalInterface() and CoGetInterfaceAndReleaseStream()
1886 HRESULT WINAPI
CoMarshalInterThreadInterfaceInStream(
1887 REFIID riid
, LPUNKNOWN pUnk
, LPSTREAM
* ppStm
)
1889 ULARGE_INTEGER xpos
;
1890 LARGE_INTEGER seekto
;
1893 TRACE("(%s, %p, %p)\n",debugstr_guid(riid
), pUnk
, ppStm
);
1895 hres
= CreateStreamOnHGlobal(NULL
, TRUE
, ppStm
);
1896 if (FAILED(hres
)) return hres
;
1897 hres
= CoMarshalInterface(*ppStm
, riid
, pUnk
, MSHCTX_INPROC
, NULL
, MSHLFLAGS_NORMAL
);
1899 if (SUCCEEDED(hres
))
1901 memset(&seekto
, 0, sizeof(seekto
));
1902 IStream_Seek(*ppStm
, seekto
, STREAM_SEEK_SET
, &xpos
);
1906 IStream_Release(*ppStm
);
1913 /***********************************************************************
1914 * CoGetInterfaceAndReleaseStream [OLE32.@]
1916 * Unmarshalls an interface from a stream and then releases the stream.
1919 * pStm [I] Stream that contains the marshalled interface.
1920 * riid [I] Interface identifier of the object to unmarshall.
1921 * ppv [O] Address of pointer where the requested interface object will be stored.
1925 * Failure: A COM error code
1928 * CoMarshalInterThreadInterfaceInStream() and CoUnmarshalInterface()
1930 HRESULT WINAPI
CoGetInterfaceAndReleaseStream(LPSTREAM pStm
, REFIID riid
,
1935 TRACE("(%p, %s, %p)\n", pStm
, debugstr_guid(riid
), ppv
);
1937 if(!pStm
) return E_INVALIDARG
;
1938 hres
= CoUnmarshalInterface(pStm
, riid
, ppv
);
1939 IStream_Release(pStm
);
1943 static HRESULT WINAPI
StdMarshalCF_QueryInterface(LPCLASSFACTORY iface
,
1944 REFIID riid
, LPVOID
*ppv
)
1947 if (IsEqualIID(riid
, &IID_IUnknown
) || IsEqualIID(riid
, &IID_IClassFactory
))
1949 *ppv
= (LPVOID
)iface
;
1952 return E_NOINTERFACE
;
1955 static ULONG WINAPI
StdMarshalCF_AddRef(LPCLASSFACTORY iface
)
1957 return 2; /* non-heap based object */
1960 static ULONG WINAPI
StdMarshalCF_Release(LPCLASSFACTORY iface
)
1962 return 1; /* non-heap based object */
1965 static HRESULT WINAPI
StdMarshalCF_CreateInstance(LPCLASSFACTORY iface
,
1966 LPUNKNOWN pUnk
, REFIID riid
, LPVOID
*ppv
)
1968 if (IsEqualIID(riid
, &IID_IUnknown
) || IsEqualIID(riid
, &IID_IMarshal
))
1969 return StdMarshalImpl_Construct(riid
, ppv
);
1971 FIXME("(%s), not supported.\n",debugstr_guid(riid
));
1972 return E_NOINTERFACE
;
1975 static HRESULT WINAPI
StdMarshalCF_LockServer(LPCLASSFACTORY iface
, BOOL fLock
)
1977 FIXME("(%d), stub!\n",fLock
);
1981 static const IClassFactoryVtbl StdMarshalCFVtbl
=
1983 StdMarshalCF_QueryInterface
,
1984 StdMarshalCF_AddRef
,
1985 StdMarshalCF_Release
,
1986 StdMarshalCF_CreateInstance
,
1987 StdMarshalCF_LockServer
1989 static const IClassFactoryVtbl
*StdMarshalCF
= &StdMarshalCFVtbl
;
1991 HRESULT
MARSHAL_GetStandardMarshalCF(LPVOID
*ppv
)
1993 *ppv
= &StdMarshalCF
;
1997 /***********************************************************************
1998 * CoMarshalHresult [OLE32.@]
2000 * Marshals an HRESULT value into a stream.
2003 * pStm [I] Stream that hresult will be marshalled into.
2004 * hresult [I] HRESULT to be marshalled.
2008 * Failure: A COM error code
2011 * CoUnmarshalHresult().
2013 HRESULT WINAPI
CoMarshalHresult(LPSTREAM pStm
, HRESULT hresult
)
2015 return IStream_Write(pStm
, &hresult
, sizeof(hresult
), NULL
);
2018 /***********************************************************************
2019 * CoUnmarshalHresult [OLE32.@]
2021 * Unmarshals an HRESULT value from a stream.
2024 * pStm [I] Stream that hresult will be unmarshalled from.
2025 * phresult [I] Pointer to HRESULT where the value will be unmarshalled to.
2029 * Failure: A COM error code
2032 * CoMarshalHresult().
2034 HRESULT WINAPI
CoUnmarshalHresult(LPSTREAM pStm
, HRESULT
* phresult
)
2036 return IStream_Read(pStm
, phresult
, sizeof(*phresult
), NULL
);