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
49 /* private flag indicating that the object was marshaled as table-weak */
50 #define SORFP_TABLEWEAK SORF_OXRES1
51 /* private flag indicating that the caller does not want to notify the stub
52 * when the proxy disconnects or is destroyed */
53 #define SORFP_NOLIFETIMEMGMT SORF_OXRES2
55 /* imported object / proxy manager */
58 IMultiQI IMultiQI_iface
;
59 IMarshal IMarshal_iface
;
60 IClientSecurity IClientSecurity_iface
;
61 struct apartment
*parent
; /* owning apartment (RO) */
62 struct list entry
; /* entry in apartment (CS parent->cs) */
63 OXID oxid
; /* object exported ID (RO) */
64 OXID_INFO oxid_info
; /* string binding, ipid of rem unknown and other information (RO) */
65 OID oid
; /* object ID (RO) */
66 struct list interfaces
; /* imported interfaces (CS cs) */
67 LONG refs
; /* proxy reference count (LOCK) */
68 CRITICAL_SECTION cs
; /* thread safety for this object and children */
69 ULONG sorflags
; /* STDOBJREF flags (RO) */
70 IRemUnknown
*remunk
; /* proxy to IRemUnknown used for lifecycle management (CS cs) */
71 HANDLE remoting_mutex
; /* mutex used for synchronizing access to IRemUnknown */
72 MSHCTX dest_context
; /* context used for activating optimisations (LOCK) */
73 void *dest_context_data
; /* reserved context value (LOCK) */
76 static inline struct proxy_manager
*impl_from_IMultiQI( IMultiQI
*iface
)
78 return CONTAINING_RECORD(iface
, struct proxy_manager
, IMultiQI_iface
);
81 static inline struct proxy_manager
*impl_from_IMarshal( IMarshal
*iface
)
83 return CONTAINING_RECORD(iface
, struct proxy_manager
, IMarshal_iface
);
86 static inline struct proxy_manager
*impl_from_IClientSecurity( IClientSecurity
*iface
)
88 return CONTAINING_RECORD(iface
, struct proxy_manager
, IClientSecurity_iface
);
91 static HRESULT
unmarshal_object(const STDOBJREF
*stdobjref
, APARTMENT
*apt
,
92 MSHCTX dest_context
, void *dest_context_data
,
93 REFIID riid
, const OXID_INFO
*oxid_info
,
96 /* Marshalling just passes a unique identifier to the remote client,
97 * that makes it possible to find the passed interface again.
99 * So basically we need a set of values that make it unique.
101 * Note that the IUnknown_QI(ob,xiid,&ppv) always returns the SAME ppv value!
103 * A triple is used: OXID (apt id), OID (stub manager id),
104 * IPID (interface ptr/stub id).
106 * OXIDs identify an apartment and are network scoped
107 * OIDs identify a stub manager and are apartment scoped
108 * IPIDs identify an interface stub and are apartment scoped
111 static inline HRESULT
get_facbuf_for_iid(REFIID riid
, IPSFactoryBuffer
**facbuf
)
116 hr
= CoGetPSClsid(riid
, &clsid
);
119 return CoGetClassObject(&clsid
, CLSCTX_INPROC_SERVER
| WINE_CLSCTX_DONT_HOST
,
120 NULL
, &IID_IPSFactoryBuffer
, (LPVOID
*)facbuf
);
123 /* marshals an object into a STDOBJREF structure */
124 HRESULT
marshal_object(APARTMENT
*apt
, STDOBJREF
*stdobjref
, REFIID riid
, IUnknown
*object
,
125 DWORD dest_context
, void *dest_context_data
, MSHLFLAGS mshlflags
)
127 struct stub_manager
*manager
;
128 struct ifstub
*ifstub
;
132 hr
= apartment_getoxid(apt
, &stdobjref
->oxid
);
136 hr
= apartment_createwindowifneeded(apt
);
140 if (!(manager
= get_stub_manager_from_object(apt
, object
, TRUE
)))
141 return E_OUTOFMEMORY
;
143 stdobjref
->flags
= SORF_NULL
;
144 if (mshlflags
& MSHLFLAGS_TABLEWEAK
)
145 stdobjref
->flags
|= SORFP_TABLEWEAK
;
146 if (mshlflags
& MSHLFLAGS_NOPING
)
147 stdobjref
->flags
|= SORF_NOPING
;
148 stdobjref
->oid
= manager
->oid
;
150 tablemarshal
= ((mshlflags
& MSHLFLAGS_TABLESTRONG
) || (mshlflags
& MSHLFLAGS_TABLEWEAK
));
152 /* make sure ifstub that we are creating is unique */
153 ifstub
= stub_manager_find_ifstub(manager
, riid
, mshlflags
);
155 IRpcStubBuffer
*stub
= NULL
;
157 /* IUnknown doesn't require a stub buffer, because it never goes out on
159 if (!IsEqualIID(riid
, &IID_IUnknown
))
161 IPSFactoryBuffer
*psfb
;
163 hr
= get_facbuf_for_iid(riid
, &psfb
);
165 hr
= IPSFactoryBuffer_CreateStub(psfb
, riid
, manager
->object
, &stub
);
166 IPSFactoryBuffer_Release(psfb
);
168 ERR("Failed to create an IRpcStubBuffer from IPSFactory for %s with error 0x%08x\n",
169 debugstr_guid(riid
), hr
);
171 ERR("couldn't get IPSFactory buffer for interface %s\n", debugstr_guid(riid
));
178 ifstub
= stub_manager_new_ifstub(manager
, stub
, riid
, dest_context
, dest_context_data
, mshlflags
);
182 if (stub
) IRpcStubBuffer_Release(stub
);
185 stub_manager_int_release(manager
);
186 /* destroy the stub manager if it has no ifstubs by releasing
187 * zero external references */
188 stub_manager_ext_release(manager
, 0, FALSE
, TRUE
);
195 stdobjref
->cPublicRefs
= NORMALEXTREFS
;
196 stub_manager_ext_addref(manager
, stdobjref
->cPublicRefs
, FALSE
);
200 stdobjref
->cPublicRefs
= 0;
201 if (mshlflags
& MSHLFLAGS_TABLESTRONG
)
202 stub_manager_ext_addref(manager
, 1, FALSE
);
204 stub_manager_ext_addref(manager
, 0, TRUE
);
207 /* FIXME: check return value */
208 RPC_RegisterInterface(riid
);
210 stdobjref
->ipid
= ifstub
->ipid
;
212 stub_manager_int_release(manager
);
218 /* Client-side identity of the server object */
220 static HRESULT
proxy_manager_get_remunknown(struct proxy_manager
* This
, IRemUnknown
**remunk
);
221 static void proxy_manager_destroy(struct proxy_manager
* This
);
222 static HRESULT
proxy_manager_find_ifproxy(struct proxy_manager
* This
, REFIID riid
, struct ifproxy
** ifproxy_found
);
223 static HRESULT
proxy_manager_query_local_interface(struct proxy_manager
* This
, REFIID riid
, void ** ppv
);
225 static HRESULT WINAPI
ClientIdentity_QueryInterface(IMultiQI
* iface
, REFIID riid
, void ** ppv
)
230 TRACE("%s\n", debugstr_guid(riid
));
233 hr
= IMultiQI_QueryMultipleInterfaces(iface
, 1, &mqi
);
239 static ULONG WINAPI
ClientIdentity_AddRef(IMultiQI
*iface
)
241 struct proxy_manager
*This
= impl_from_IMultiQI(iface
);
242 TRACE("%p - before %d\n", iface
, This
->refs
);
243 return InterlockedIncrement(&This
->refs
);
246 static ULONG WINAPI
ClientIdentity_Release(IMultiQI
*iface
)
248 struct proxy_manager
*This
= impl_from_IMultiQI(iface
);
249 ULONG refs
= InterlockedDecrement(&This
->refs
);
250 TRACE("%p - after %d\n", iface
, refs
);
252 proxy_manager_destroy(This
);
256 static HRESULT WINAPI
ClientIdentity_QueryMultipleInterfaces(IMultiQI
*iface
, ULONG cMQIs
, MULTI_QI
*pMQIs
)
258 struct proxy_manager
*This
= impl_from_IMultiQI(iface
);
259 REMQIRESULT
*qiresults
= NULL
;
260 ULONG nonlocal_mqis
= 0;
262 ULONG successful_mqis
= 0;
263 IID
*iids
= HeapAlloc(GetProcessHeap(), 0, cMQIs
* sizeof(*iids
));
264 /* mapping of RemQueryInterface index to QueryMultipleInterfaces index */
265 ULONG
*mapping
= HeapAlloc(GetProcessHeap(), 0, cMQIs
* sizeof(*mapping
));
267 TRACE("cMQIs: %d\n", cMQIs
);
269 /* try to get a local interface - this includes already active proxy
270 * interfaces and also interfaces exposed by the proxy manager */
271 for (i
= 0; i
< cMQIs
; i
++)
273 TRACE("iid[%d] = %s\n", i
, debugstr_guid(pMQIs
[i
].pIID
));
274 pMQIs
[i
].hr
= proxy_manager_query_local_interface(This
, pMQIs
[i
].pIID
, (void **)&pMQIs
[i
].pItf
);
275 if (pMQIs
[i
].hr
== S_OK
)
279 iids
[nonlocal_mqis
] = *pMQIs
[i
].pIID
;
280 mapping
[nonlocal_mqis
] = i
;
285 TRACE("%d interfaces not found locally\n", nonlocal_mqis
);
287 /* if we have more than one interface not found locally then we must try
288 * to query the remote object for it */
289 if (nonlocal_mqis
!= 0)
295 /* get the ipid of the first entry */
296 /* FIXME: should we implement ClientIdentity on the ifproxies instead
297 * of the proxy_manager so we use the correct ipid here? */
298 ipid
= &LIST_ENTRY(list_head(&This
->interfaces
), struct ifproxy
, entry
)->stdobjref
.ipid
;
300 /* get IRemUnknown proxy so we can communicate with the remote object */
301 hr
= proxy_manager_get_remunknown(This
, &remunk
);
305 hr
= IRemUnknown_RemQueryInterface(remunk
, ipid
, NORMALEXTREFS
,
306 nonlocal_mqis
, iids
, &qiresults
);
307 IRemUnknown_Release(remunk
);
309 ERR("IRemUnknown_RemQueryInterface failed with error 0x%08x\n", hr
);
312 /* IRemUnknown_RemQueryInterface can return S_FALSE if only some of
313 * the interfaces were returned */
316 APARTMENT
*apt
= apartment_get_current_or_mta();
318 /* try to unmarshal each object returned to us */
319 for (i
= 0; i
< nonlocal_mqis
; i
++)
321 ULONG index
= mapping
[i
];
322 HRESULT hrobj
= qiresults
[i
].hResult
;
324 hrobj
= unmarshal_object(&qiresults
[i
].std
, apt
,
326 This
->dest_context_data
,
327 pMQIs
[index
].pIID
, &This
->oxid_info
,
328 (void **)&pMQIs
[index
].pItf
);
333 ERR("Failed to get pointer to interface %s\n", debugstr_guid(pMQIs
[index
].pIID
));
334 pMQIs
[index
].hr
= hrobj
;
337 apartment_release(apt
);
340 /* free the memory allocated by the proxy */
341 CoTaskMemFree(qiresults
);
344 TRACE("%d/%d successfully queried\n", successful_mqis
, cMQIs
);
346 HeapFree(GetProcessHeap(), 0, iids
);
347 HeapFree(GetProcessHeap(), 0, mapping
);
349 if (successful_mqis
== cMQIs
)
350 return S_OK
; /* we got all requested interfaces */
351 else if (successful_mqis
== 0)
352 return E_NOINTERFACE
; /* we didn't get any interfaces */
354 return S_FALSE
; /* we got some interfaces */
357 static const IMultiQIVtbl ClientIdentity_Vtbl
=
359 ClientIdentity_QueryInterface
,
360 ClientIdentity_AddRef
,
361 ClientIdentity_Release
,
362 ClientIdentity_QueryMultipleInterfaces
365 /* FIXME: remove these */
366 static HRESULT WINAPI
StdMarshalImpl_GetUnmarshalClass(LPMARSHAL iface
, REFIID riid
, void* pv
, DWORD dwDestContext
, void* pvDestContext
, DWORD mshlflags
, CLSID
* pCid
);
367 static HRESULT WINAPI
StdMarshalImpl_GetMarshalSizeMax(LPMARSHAL iface
, REFIID riid
, void* pv
, DWORD dwDestContext
, void* pvDestContext
, DWORD mshlflags
, DWORD
* pSize
);
368 static HRESULT WINAPI
StdMarshalImpl_UnmarshalInterface(LPMARSHAL iface
, IStream
*pStm
, REFIID riid
, void **ppv
);
369 static HRESULT WINAPI
StdMarshalImpl_ReleaseMarshalData(LPMARSHAL iface
, IStream
*pStm
);
370 static HRESULT WINAPI
StdMarshalImpl_DisconnectObject(LPMARSHAL iface
, DWORD dwReserved
);
372 static HRESULT WINAPI
Proxy_QueryInterface(IMarshal
*iface
, REFIID riid
, void **ppvObject
)
374 struct proxy_manager
*This
= impl_from_IMarshal( iface
);
375 return IMultiQI_QueryInterface(&This
->IMultiQI_iface
, riid
, ppvObject
);
378 static ULONG WINAPI
Proxy_AddRef(IMarshal
*iface
)
380 struct proxy_manager
*This
= impl_from_IMarshal( iface
);
381 return IMultiQI_AddRef(&This
->IMultiQI_iface
);
384 static ULONG WINAPI
Proxy_Release(IMarshal
*iface
)
386 struct proxy_manager
*This
= impl_from_IMarshal( iface
);
387 return IMultiQI_Release(&This
->IMultiQI_iface
);
390 static HRESULT WINAPI
Proxy_MarshalInterface(
391 LPMARSHAL iface
, IStream
*pStm
, REFIID riid
, void* pv
, DWORD dwDestContext
,
392 void* pvDestContext
, DWORD mshlflags
)
394 struct proxy_manager
*This
= impl_from_IMarshal( iface
);
396 struct ifproxy
*ifproxy
;
398 TRACE("(...,%s,...)\n", debugstr_guid(riid
));
400 hr
= proxy_manager_find_ifproxy(This
, riid
, &ifproxy
);
403 STDOBJREF stdobjref
= ifproxy
->stdobjref
;
405 stdobjref
.cPublicRefs
= 0;
407 if ((mshlflags
!= MSHLFLAGS_TABLEWEAK
) &&
408 (mshlflags
!= MSHLFLAGS_TABLESTRONG
))
410 ULONG cPublicRefs
= ifproxy
->refs
;
411 ULONG cPublicRefsOld
;
412 /* optimization - share out proxy's public references if possible
413 * instead of making new proxy do a roundtrip through the server */
416 ULONG cPublicRefsNew
;
417 cPublicRefsOld
= cPublicRefs
;
418 stdobjref
.cPublicRefs
= cPublicRefs
/ 2;
419 cPublicRefsNew
= cPublicRefs
- stdobjref
.cPublicRefs
;
420 cPublicRefs
= InterlockedCompareExchange(
421 (LONG
*)&ifproxy
->refs
, cPublicRefsNew
, cPublicRefsOld
);
422 } while (cPublicRefs
!= cPublicRefsOld
);
425 /* normal and table-strong marshaling need at least one reference */
426 if (!stdobjref
.cPublicRefs
&& (mshlflags
!= MSHLFLAGS_TABLEWEAK
))
429 hr
= proxy_manager_get_remunknown(This
, &remunk
);
432 HRESULT hrref
= S_OK
;
434 rif
.ipid
= ifproxy
->stdobjref
.ipid
;
435 rif
.cPublicRefs
= (mshlflags
== MSHLFLAGS_TABLESTRONG
) ? 1 : NORMALEXTREFS
;
436 rif
.cPrivateRefs
= 0;
437 hr
= IRemUnknown_RemAddRef(remunk
, 1, &rif
, &hrref
);
438 IRemUnknown_Release(remunk
);
439 if (hr
== S_OK
&& hrref
== S_OK
)
441 /* table-strong marshaling doesn't give the refs to the
442 * client that unmarshals the STDOBJREF */
443 if (mshlflags
!= MSHLFLAGS_TABLESTRONG
)
444 stdobjref
.cPublicRefs
= rif
.cPublicRefs
;
447 ERR("IRemUnknown_RemAddRef returned with 0x%08x, hrref = 0x%08x\n", hr
, hrref
);
453 TRACE("writing stdobjref: flags = %04x cPublicRefs = %d oxid = %s oid = %s ipid = %s\n",
454 stdobjref
.flags
, stdobjref
.cPublicRefs
,
455 wine_dbgstr_longlong(stdobjref
.oxid
),
456 wine_dbgstr_longlong(stdobjref
.oid
),
457 debugstr_guid(&stdobjref
.ipid
));
458 hr
= IStream_Write(pStm
, &stdobjref
, sizeof(stdobjref
), NULL
);
463 /* we don't have the interface already unmarshaled so we have to
464 * request the object from the server */
467 REMQIRESULT
*qiresults
= NULL
;
470 /* get the ipid of the first entry */
471 /* FIXME: should we implement ClientIdentity on the ifproxies instead
472 * of the proxy_manager so we use the correct ipid here? */
473 ipid
= &LIST_ENTRY(list_head(&This
->interfaces
), struct ifproxy
, entry
)->stdobjref
.ipid
;
475 /* get IRemUnknown proxy so we can communicate with the remote object */
476 hr
= proxy_manager_get_remunknown(This
, &remunk
);
480 hr
= IRemUnknown_RemQueryInterface(remunk
, ipid
, NORMALEXTREFS
,
481 1, &iid
, &qiresults
);
484 hr
= IStream_Write(pStm
, &qiresults
->std
, sizeof(qiresults
->std
), NULL
);
488 rif
.ipid
= qiresults
->std
.ipid
;
489 rif
.cPublicRefs
= qiresults
->std
.cPublicRefs
;
490 rif
.cPrivateRefs
= 0;
491 IRemUnknown_RemRelease(remunk
, 1, &rif
);
493 CoTaskMemFree(qiresults
);
496 ERR("IRemUnknown_RemQueryInterface failed with error 0x%08x\n", hr
);
497 IRemUnknown_Release(remunk
);
504 static const IMarshalVtbl ProxyMarshal_Vtbl
=
506 Proxy_QueryInterface
,
509 StdMarshalImpl_GetUnmarshalClass
,
510 StdMarshalImpl_GetMarshalSizeMax
,
511 Proxy_MarshalInterface
,
512 StdMarshalImpl_UnmarshalInterface
,
513 StdMarshalImpl_ReleaseMarshalData
,
514 StdMarshalImpl_DisconnectObject
517 static HRESULT WINAPI
ProxyCliSec_QueryInterface(IClientSecurity
*iface
, REFIID riid
, void **ppvObject
)
519 struct proxy_manager
*This
= impl_from_IClientSecurity( iface
);
520 return IMultiQI_QueryInterface(&This
->IMultiQI_iface
, riid
, ppvObject
);
523 static ULONG WINAPI
ProxyCliSec_AddRef(IClientSecurity
*iface
)
525 struct proxy_manager
*This
= impl_from_IClientSecurity( iface
);
526 return IMultiQI_AddRef(&This
->IMultiQI_iface
);
529 static ULONG WINAPI
ProxyCliSec_Release(IClientSecurity
*iface
)
531 struct proxy_manager
*This
= impl_from_IClientSecurity( iface
);
532 return IMultiQI_Release(&This
->IMultiQI_iface
);
535 static HRESULT WINAPI
ProxyCliSec_QueryBlanket(IClientSecurity
*iface
,
539 OLECHAR
**ppServerPrincName
,
543 DWORD
*pCapabilities
)
545 FIXME("(%p, %p, %p, %p, %p, %p, %p, %p): stub\n", pProxy
, pAuthnSvc
,
546 pAuthzSvc
, ppServerPrincName
, pAuthnLevel
, pImpLevel
, pAuthInfo
,
553 if (ppServerPrincName
)
554 *ppServerPrincName
= NULL
;
556 *pAuthnLevel
= RPC_C_AUTHN_LEVEL_DEFAULT
;
558 *pImpLevel
= RPC_C_IMP_LEVEL_DEFAULT
;
562 *pCapabilities
= EOAC_NONE
;
567 static HRESULT WINAPI
ProxyCliSec_SetBlanket(IClientSecurity
*iface
,
568 IUnknown
*pProxy
, DWORD AuthnSvc
,
570 OLECHAR
*pServerPrincName
,
571 DWORD AuthnLevel
, DWORD ImpLevel
,
575 FIXME("(%p, %d, %d, %s, %d, %d, %p, 0x%x): stub\n", pProxy
, AuthnSvc
, AuthzSvc
,
576 pServerPrincName
== COLE_DEFAULT_PRINCIPAL
? "<default principal>" : debugstr_w(pServerPrincName
),
577 AuthnLevel
, ImpLevel
, pAuthInfo
, Capabilities
);
581 static HRESULT WINAPI
ProxyCliSec_CopyProxy(IClientSecurity
*iface
,
582 IUnknown
*pProxy
, IUnknown
**ppCopy
)
584 FIXME("(%p, %p): stub\n", pProxy
, ppCopy
);
589 static const IClientSecurityVtbl ProxyCliSec_Vtbl
=
591 ProxyCliSec_QueryInterface
,
594 ProxyCliSec_QueryBlanket
,
595 ProxyCliSec_SetBlanket
,
596 ProxyCliSec_CopyProxy
599 static HRESULT
ifproxy_get_public_ref(struct ifproxy
* This
)
603 if (WAIT_OBJECT_0
!= WaitForSingleObject(This
->parent
->remoting_mutex
, INFINITE
))
605 ERR("Wait failed for ifproxy %p\n", This
);
611 IRemUnknown
*remunk
= NULL
;
613 TRACE("getting public ref for ifproxy %p\n", This
);
615 hr
= proxy_manager_get_remunknown(This
->parent
, &remunk
);
618 HRESULT hrref
= S_OK
;
620 rif
.ipid
= This
->stdobjref
.ipid
;
621 rif
.cPublicRefs
= NORMALEXTREFS
;
622 rif
.cPrivateRefs
= 0;
623 hr
= IRemUnknown_RemAddRef(remunk
, 1, &rif
, &hrref
);
624 IRemUnknown_Release(remunk
);
625 if (hr
== S_OK
&& hrref
== S_OK
)
626 InterlockedExchangeAdd((LONG
*)&This
->refs
, NORMALEXTREFS
);
628 ERR("IRemUnknown_RemAddRef returned with 0x%08x, hrref = 0x%08x\n", hr
, hrref
);
631 ReleaseMutex(This
->parent
->remoting_mutex
);
636 static HRESULT
ifproxy_release_public_refs(struct ifproxy
* This
)
641 if (WAIT_OBJECT_0
!= WaitForSingleObject(This
->parent
->remoting_mutex
, INFINITE
))
643 ERR("Wait failed for ifproxy %p\n", This
);
647 public_refs
= This
->refs
;
650 IRemUnknown
*remunk
= NULL
;
652 TRACE("releasing %d refs\n", public_refs
);
654 hr
= proxy_manager_get_remunknown(This
->parent
, &remunk
);
658 rif
.ipid
= This
->stdobjref
.ipid
;
659 rif
.cPublicRefs
= public_refs
;
660 rif
.cPrivateRefs
= 0;
661 hr
= IRemUnknown_RemRelease(remunk
, 1, &rif
);
662 IRemUnknown_Release(remunk
);
664 InterlockedExchangeAdd((LONG
*)&This
->refs
, -public_refs
);
665 else if (hr
== RPC_E_DISCONNECTED
)
666 WARN("couldn't release references because object was "
667 "disconnected: oxid = %s, oid = %s\n",
668 wine_dbgstr_longlong(This
->parent
->oxid
),
669 wine_dbgstr_longlong(This
->parent
->oid
));
671 ERR("IRemUnknown_RemRelease failed with error 0x%08x\n", hr
);
674 ReleaseMutex(This
->parent
->remoting_mutex
);
679 /* should be called inside This->parent->cs critical section */
680 static void ifproxy_disconnect(struct ifproxy
* This
)
682 ifproxy_release_public_refs(This
);
683 if (This
->proxy
) IRpcProxyBuffer_Disconnect(This
->proxy
);
685 IRpcChannelBuffer_Release(This
->chan
);
689 /* should be called in This->parent->cs critical section if it is an entry in parent's list */
690 static void ifproxy_destroy(struct ifproxy
* This
)
694 /* release public references to this object so that the stub can know
695 * when to destroy itself */
696 ifproxy_release_public_refs(This
);
698 list_remove(&This
->entry
);
702 IRpcChannelBuffer_Release(This
->chan
);
706 if (This
->proxy
) IRpcProxyBuffer_Release(This
->proxy
);
708 HeapFree(GetProcessHeap(), 0, This
);
711 static HRESULT
proxy_manager_construct(
712 APARTMENT
* apt
, ULONG sorflags
, OXID oxid
, OID oid
,
713 const OXID_INFO
*oxid_info
, struct proxy_manager
** proxy_manager
)
715 struct proxy_manager
* This
= HeapAlloc(GetProcessHeap(), 0, sizeof(*This
));
716 if (!This
) return E_OUTOFMEMORY
;
718 This
->remoting_mutex
= CreateMutexW(NULL
, FALSE
, NULL
);
719 if (!This
->remoting_mutex
)
721 HeapFree(GetProcessHeap(), 0, This
);
722 return HRESULT_FROM_WIN32(GetLastError());
727 This
->oxid_info
.dwPid
= oxid_info
->dwPid
;
728 This
->oxid_info
.dwTid
= oxid_info
->dwTid
;
729 This
->oxid_info
.ipidRemUnknown
= oxid_info
->ipidRemUnknown
;
730 This
->oxid_info
.dwAuthnHint
= oxid_info
->dwAuthnHint
;
731 This
->oxid_info
.psa
= NULL
/* FIXME: copy from oxid_info */;
735 HRESULT hr
= RPC_ResolveOxid(oxid
, &This
->oxid_info
);
738 CloseHandle(This
->remoting_mutex
);
739 HeapFree(GetProcessHeap(), 0, This
);
744 This
->IMultiQI_iface
.lpVtbl
= &ClientIdentity_Vtbl
;
745 This
->IMarshal_iface
.lpVtbl
= &ProxyMarshal_Vtbl
;
746 This
->IClientSecurity_iface
.lpVtbl
= &ProxyCliSec_Vtbl
;
748 list_init(&This
->entry
);
749 list_init(&This
->interfaces
);
751 InitializeCriticalSection(&This
->cs
);
752 DEBUG_SET_CRITSEC_NAME(&This
->cs
, "proxy_manager");
754 /* the apartment the object was unmarshaled into */
757 /* the source apartment and id of the object */
763 /* the DCOM draft specification states that the SORF_NOPING flag is
764 * proxy manager specific, not ifproxy specific, so this implies that we
765 * should store the STDOBJREF flags here in the proxy manager. */
766 This
->sorflags
= sorflags
;
768 /* we create the IRemUnknown proxy on demand */
771 /* initialise these values to the weakest values and they will be
772 * overwritten in proxy_manager_set_context */
773 This
->dest_context
= MSHCTX_INPROC
;
774 This
->dest_context_data
= NULL
;
776 EnterCriticalSection(&apt
->cs
);
777 /* FIXME: we are dependent on the ordering in here to make sure a proxy's
778 * IRemUnknown proxy doesn't get destroyed before the regular proxy does
779 * because we need the IRemUnknown proxy during the destruction of the
780 * regular proxy. Ideally, we should maintain a separate list for the
781 * IRemUnknown proxies that need late destruction */
782 list_add_tail(&apt
->proxies
, &This
->entry
);
783 LeaveCriticalSection(&apt
->cs
);
785 TRACE("%p created for OXID %s, OID %s\n", This
,
786 wine_dbgstr_longlong(oxid
), wine_dbgstr_longlong(oid
));
788 *proxy_manager
= This
;
792 static inline void proxy_manager_set_context(struct proxy_manager
*This
, MSHCTX dest_context
, void *dest_context_data
)
794 MSHCTX old_dest_context
;
795 MSHCTX new_dest_context
;
799 old_dest_context
= This
->dest_context
;
800 new_dest_context
= old_dest_context
;
801 /* "stronger" values overwrite "weaker" values. stronger values are
802 * ones that disable more optimisations */
803 switch (old_dest_context
)
806 new_dest_context
= dest_context
;
808 case MSHCTX_CROSSCTX
:
809 switch (dest_context
)
814 new_dest_context
= dest_context
;
818 switch (dest_context
)
821 case MSHCTX_CROSSCTX
:
824 new_dest_context
= dest_context
;
827 case MSHCTX_NOSHAREDMEM
:
828 switch (dest_context
)
830 case MSHCTX_DIFFERENTMACHINE
:
831 new_dest_context
= dest_context
;
841 if (old_dest_context
== new_dest_context
) break;
843 new_dest_context
= InterlockedCompareExchange((PLONG
)&This
->dest_context
, new_dest_context
, old_dest_context
);
844 } while (new_dest_context
!= old_dest_context
);
846 if (dest_context_data
)
847 InterlockedExchangePointer(&This
->dest_context_data
, dest_context_data
);
850 static HRESULT
proxy_manager_query_local_interface(struct proxy_manager
* This
, REFIID riid
, void ** ppv
)
853 struct ifproxy
* ifproxy
;
855 TRACE("%s\n", debugstr_guid(riid
));
857 if (IsEqualIID(riid
, &IID_IUnknown
) ||
858 IsEqualIID(riid
, &IID_IMultiQI
))
860 *ppv
= &This
->IMultiQI_iface
;
861 IMultiQI_AddRef(&This
->IMultiQI_iface
);
864 if (IsEqualIID(riid
, &IID_IMarshal
))
866 *ppv
= &This
->IMarshal_iface
;
867 IMarshal_AddRef(&This
->IMarshal_iface
);
870 if (IsEqualIID(riid
, &IID_IClientSecurity
))
872 *ppv
= &This
->IClientSecurity_iface
;
873 IClientSecurity_AddRef(&This
->IClientSecurity_iface
);
877 hr
= proxy_manager_find_ifproxy(This
, riid
, &ifproxy
);
880 *ppv
= ifproxy
->iface
;
881 IUnknown_AddRef((IUnknown
*)*ppv
);
886 return E_NOINTERFACE
;
889 static HRESULT
proxy_manager_create_ifproxy(
890 struct proxy_manager
* This
, const STDOBJREF
*stdobjref
, REFIID riid
,
891 IRpcChannelBuffer
* channel
, struct ifproxy
** iif_out
)
894 IPSFactoryBuffer
* psfb
;
895 struct ifproxy
* ifproxy
= HeapAlloc(GetProcessHeap(), 0, sizeof(*ifproxy
));
896 if (!ifproxy
) return E_OUTOFMEMORY
;
898 list_init(&ifproxy
->entry
);
900 ifproxy
->parent
= This
;
901 ifproxy
->stdobjref
= *stdobjref
;
902 ifproxy
->iid
= *riid
;
904 ifproxy
->proxy
= NULL
;
907 ifproxy
->chan
= channel
; /* FIXME: we should take the binding strings and construct the channel in this function */
909 /* the IUnknown interface is special because it does not have a
910 * proxy associated with the ifproxy as we handle IUnknown ourselves */
911 if (IsEqualIID(riid
, &IID_IUnknown
))
913 ifproxy
->iface
= &This
->IMultiQI_iface
;
914 IMultiQI_AddRef(&This
->IMultiQI_iface
);
919 hr
= get_facbuf_for_iid(riid
, &psfb
);
922 /* important note: the outer unknown is set to the proxy manager.
923 * This ensures the COM identity rules are not violated, by having a
924 * one-to-one mapping of objects on the proxy side to objects on the
925 * stub side, no matter which interface you view the object through */
926 hr
= IPSFactoryBuffer_CreateProxy(psfb
, (IUnknown
*)&This
->IMultiQI_iface
, riid
,
927 &ifproxy
->proxy
, &ifproxy
->iface
);
928 IPSFactoryBuffer_Release(psfb
);
930 ERR("Could not create proxy for interface %s, error 0x%08x\n",
931 debugstr_guid(riid
), hr
);
934 ERR("Could not get IPSFactoryBuffer for interface %s, error 0x%08x\n",
935 debugstr_guid(riid
), hr
);
938 hr
= IRpcProxyBuffer_Connect(ifproxy
->proxy
, ifproxy
->chan
);
943 EnterCriticalSection(&This
->cs
);
944 list_add_tail(&This
->interfaces
, &ifproxy
->entry
);
945 LeaveCriticalSection(&This
->cs
);
948 TRACE("ifproxy %p created for IPID %s, interface %s with %u public refs\n",
949 ifproxy
, debugstr_guid(&stdobjref
->ipid
), debugstr_guid(riid
), stdobjref
->cPublicRefs
);
952 ifproxy_destroy(ifproxy
);
957 static HRESULT
proxy_manager_find_ifproxy(struct proxy_manager
* This
, REFIID riid
, struct ifproxy
** ifproxy_found
)
959 HRESULT hr
= E_NOINTERFACE
; /* assume not found */
960 struct list
* cursor
;
962 EnterCriticalSection(&This
->cs
);
963 LIST_FOR_EACH(cursor
, &This
->interfaces
)
965 struct ifproxy
* ifproxy
= LIST_ENTRY(cursor
, struct ifproxy
, entry
);
966 if (IsEqualIID(riid
, &ifproxy
->iid
))
968 *ifproxy_found
= ifproxy
;
973 LeaveCriticalSection(&This
->cs
);
978 static void proxy_manager_disconnect(struct proxy_manager
* This
)
980 struct list
* cursor
;
982 TRACE("oxid = %s, oid = %s\n", wine_dbgstr_longlong(This
->oxid
),
983 wine_dbgstr_longlong(This
->oid
));
985 EnterCriticalSection(&This
->cs
);
987 /* SORFP_NOLIFTIMEMGMT proxies (for IRemUnknown) shouldn't be
988 * disconnected - it won't do anything anyway, except cause
989 * problems for other objects that depend on this proxy always
991 if (!(This
->sorflags
& SORFP_NOLIFETIMEMGMT
))
993 LIST_FOR_EACH(cursor
, &This
->interfaces
)
995 struct ifproxy
* ifproxy
= LIST_ENTRY(cursor
, struct ifproxy
, entry
);
996 ifproxy_disconnect(ifproxy
);
1000 /* apartment is being destroyed so don't keep a pointer around to it */
1001 This
->parent
= NULL
;
1003 LeaveCriticalSection(&This
->cs
);
1006 static HRESULT
proxy_manager_get_remunknown(struct proxy_manager
* This
, IRemUnknown
**remunk
)
1009 struct apartment
*apt
;
1010 BOOL called_in_original_apt
;
1012 /* we don't want to try and unmarshal or use IRemUnknown if we don't want
1013 * lifetime management */
1014 if (This
->sorflags
& SORFP_NOLIFETIMEMGMT
)
1017 if (!(apt
= apartment_get_current_or_mta()))
1018 return CO_E_NOTINITIALIZED
;
1020 called_in_original_apt
= This
->parent
&& (This
->parent
->oxid
== apt
->oxid
);
1022 EnterCriticalSection(&This
->cs
);
1023 /* only return the cached object if called from the original apartment.
1024 * in future, we might want to make the IRemUnknown proxy callable from any
1025 * apartment to avoid these checks */
1026 if (This
->remunk
&& called_in_original_apt
)
1028 /* already created - return existing object */
1029 *remunk
= This
->remunk
;
1030 IRemUnknown_AddRef(*remunk
);
1032 else if (!This
->parent
)
1034 /* disconnected - we can't create IRemUnknown */
1040 STDOBJREF stdobjref
;
1041 /* Don't want IRemUnknown lifetime management as this is IRemUnknown!
1042 * We also don't care about whether or not the stub is still alive */
1043 stdobjref
.flags
= SORFP_NOLIFETIMEMGMT
| SORF_NOPING
;
1044 stdobjref
.cPublicRefs
= 1;
1045 /* oxid of destination object */
1046 stdobjref
.oxid
= This
->oxid
;
1047 /* FIXME: what should be used for the oid? The DCOM draft doesn't say */
1048 stdobjref
.oid
= (OID
)-1;
1049 stdobjref
.ipid
= This
->oxid_info
.ipidRemUnknown
;
1051 /* do the unmarshal */
1052 hr
= unmarshal_object(&stdobjref
, apt
, This
->dest_context
,
1053 This
->dest_context_data
, &IID_IRemUnknown
,
1054 &This
->oxid_info
, (void**)remunk
);
1055 if (hr
== S_OK
&& called_in_original_apt
)
1057 This
->remunk
= *remunk
;
1058 IRemUnknown_AddRef(This
->remunk
);
1061 LeaveCriticalSection(&This
->cs
);
1062 apartment_release(apt
);
1064 TRACE("got IRemUnknown* pointer %p, hr = 0x%08x\n", *remunk
, hr
);
1069 /* destroys a proxy manager, freeing the memory it used.
1070 * Note: this function should not be called from a list iteration in the
1071 * apartment, due to the fact that it removes itself from the apartment and
1072 * it could add a proxy to IRemUnknown into the apartment. */
1073 static void proxy_manager_destroy(struct proxy_manager
* This
)
1075 struct list
* cursor
;
1077 TRACE("oxid = %s, oid = %s\n", wine_dbgstr_longlong(This
->oxid
),
1078 wine_dbgstr_longlong(This
->oid
));
1082 EnterCriticalSection(&This
->parent
->cs
);
1084 /* remove ourself from the list of proxy objects in the apartment */
1085 LIST_FOR_EACH(cursor
, &This
->parent
->proxies
)
1087 if (cursor
== &This
->entry
)
1089 list_remove(&This
->entry
);
1094 LeaveCriticalSection(&This
->parent
->cs
);
1097 /* destroy all of the interface proxies */
1098 while ((cursor
= list_head(&This
->interfaces
)))
1100 struct ifproxy
* ifproxy
= LIST_ENTRY(cursor
, struct ifproxy
, entry
);
1101 ifproxy_destroy(ifproxy
);
1104 if (This
->remunk
) IRemUnknown_Release(This
->remunk
);
1105 CoTaskMemFree(This
->oxid_info
.psa
);
1107 DEBUG_CLEAR_CRITSEC_NAME(&This
->cs
);
1108 DeleteCriticalSection(&This
->cs
);
1110 CloseHandle(This
->remoting_mutex
);
1112 HeapFree(GetProcessHeap(), 0, This
);
1115 /* finds the proxy manager corresponding to a given OXID and OID that has
1116 * been unmarshaled in the specified apartment. The caller must release the
1117 * reference to the proxy_manager when the object is no longer used. */
1118 static BOOL
find_proxy_manager(APARTMENT
* apt
, OXID oxid
, OID oid
, struct proxy_manager
** proxy_found
)
1121 struct list
* cursor
;
1123 EnterCriticalSection(&apt
->cs
);
1124 LIST_FOR_EACH(cursor
, &apt
->proxies
)
1126 struct proxy_manager
* proxy
= LIST_ENTRY(cursor
, struct proxy_manager
, entry
);
1127 if ((oxid
== proxy
->oxid
) && (oid
== proxy
->oid
))
1129 /* be careful of a race with ClientIdentity_Release, which would
1130 * cause us to return a proxy which is in the process of being
1132 if (IMultiQI_AddRef(&proxy
->IMultiQI_iface
) != 0)
1134 *proxy_found
= proxy
;
1140 LeaveCriticalSection(&apt
->cs
);
1144 HRESULT
apartment_disconnectproxies(struct apartment
*apt
)
1146 struct list
* cursor
;
1148 LIST_FOR_EACH(cursor
, &apt
->proxies
)
1150 struct proxy_manager
* proxy
= LIST_ENTRY(cursor
, struct proxy_manager
, entry
);
1151 proxy_manager_disconnect(proxy
);
1157 /********************** StdMarshal implementation ****************************/
1158 typedef struct _StdMarshalImpl
1160 IMarshal IMarshal_iface
;
1163 void *dest_context_data
;
1166 static inline StdMarshalImpl
*impl_from_StdMarshal(IMarshal
*iface
)
1168 return CONTAINING_RECORD(iface
, StdMarshalImpl
, IMarshal_iface
);
1171 static HRESULT WINAPI
1172 StdMarshalImpl_QueryInterface(IMarshal
*iface
, REFIID riid
, void **ppv
)
1175 if (IsEqualIID(&IID_IUnknown
, riid
) || IsEqualIID(&IID_IMarshal
, riid
))
1178 IMarshal_AddRef(iface
);
1181 FIXME("No interface for %s.\n", debugstr_guid(riid
));
1182 return E_NOINTERFACE
;
1186 StdMarshalImpl_AddRef(IMarshal
*iface
)
1188 StdMarshalImpl
*This
= impl_from_StdMarshal(iface
);
1189 return InterlockedIncrement(&This
->ref
);
1193 StdMarshalImpl_Release(IMarshal
*iface
)
1195 StdMarshalImpl
*This
= impl_from_StdMarshal(iface
);
1196 ULONG ref
= InterlockedDecrement(&This
->ref
);
1198 if (!ref
) HeapFree(GetProcessHeap(),0,This
);
1202 static HRESULT WINAPI
1203 StdMarshalImpl_GetUnmarshalClass(
1204 IMarshal
*iface
, REFIID riid
, void* pv
, DWORD dwDestContext
,
1205 void* pvDestContext
, DWORD mshlflags
, CLSID
* pCid
)
1207 *pCid
= CLSID_DfMarshal
;
1211 static HRESULT WINAPI
1212 StdMarshalImpl_GetMarshalSizeMax(
1213 IMarshal
*iface
, REFIID riid
, void* pv
, DWORD dwDestContext
,
1214 void* pvDestContext
, DWORD mshlflags
, DWORD
* pSize
)
1216 *pSize
= sizeof(STDOBJREF
);
1220 static HRESULT WINAPI
1221 StdMarshalImpl_MarshalInterface(
1222 IMarshal
*iface
, IStream
*pStm
,REFIID riid
, void* pv
, DWORD dest_context
,
1223 void* dest_context_data
, DWORD mshlflags
)
1225 STDOBJREF stdobjref
;
1230 TRACE("(...,%s,...)\n", debugstr_guid(riid
));
1232 if (!(apt
= apartment_get_current_or_mta()))
1234 ERR("Apartment not initialized\n");
1235 return CO_E_NOTINITIALIZED
;
1238 /* make sure this apartment can be reached from other threads / processes */
1239 RPC_StartRemoting(apt
);
1241 hres
= marshal_object(apt
, &stdobjref
, riid
, pv
, dest_context
, dest_context_data
, mshlflags
);
1242 apartment_release(apt
);
1245 ERR("Failed to create ifstub, hres=0x%x\n", hres
);
1249 return IStream_Write(pStm
, &stdobjref
, sizeof(stdobjref
), &res
);
1252 /* helper for StdMarshalImpl_UnmarshalInterface - does the unmarshaling with
1253 * no questions asked about the rules surrounding same-apartment unmarshals
1254 * and table marshaling */
1255 static HRESULT
unmarshal_object(const STDOBJREF
*stdobjref
, APARTMENT
*apt
,
1256 MSHCTX dest_context
, void *dest_context_data
,
1257 REFIID riid
, const OXID_INFO
*oxid_info
,
1260 struct proxy_manager
*proxy_manager
= NULL
;
1265 TRACE("stdobjref: flags = %04x cPublicRefs = %d oxid = %s oid = %s ipid = %s\n",
1266 stdobjref
->flags
, stdobjref
->cPublicRefs
,
1267 wine_dbgstr_longlong(stdobjref
->oxid
),
1268 wine_dbgstr_longlong(stdobjref
->oid
),
1269 debugstr_guid(&stdobjref
->ipid
));
1271 /* create a new proxy manager if one doesn't already exist for the
1273 if (!find_proxy_manager(apt
, stdobjref
->oxid
, stdobjref
->oid
, &proxy_manager
))
1275 hr
= proxy_manager_construct(apt
, stdobjref
->flags
,
1276 stdobjref
->oxid
, stdobjref
->oid
, oxid_info
,
1280 TRACE("proxy manager already created, using\n");
1284 struct ifproxy
* ifproxy
;
1286 proxy_manager_set_context(proxy_manager
, dest_context
, dest_context_data
);
1288 hr
= proxy_manager_find_ifproxy(proxy_manager
, riid
, &ifproxy
);
1289 if (hr
== E_NOINTERFACE
)
1291 IRpcChannelBuffer
*chanbuf
;
1292 hr
= RPC_CreateClientChannel(&stdobjref
->oxid
, &stdobjref
->ipid
,
1293 &proxy_manager
->oxid_info
,
1294 proxy_manager
->dest_context
,
1295 proxy_manager
->dest_context_data
,
1298 hr
= proxy_manager_create_ifproxy(proxy_manager
, stdobjref
,
1299 riid
, chanbuf
, &ifproxy
);
1302 IUnknown_AddRef((IUnknown
*)ifproxy
->iface
);
1306 InterlockedExchangeAdd((LONG
*)&ifproxy
->refs
, stdobjref
->cPublicRefs
);
1307 /* get at least one external reference to the object to keep it alive */
1308 hr
= ifproxy_get_public_ref(ifproxy
);
1310 ifproxy_destroy(ifproxy
);
1314 *object
= ifproxy
->iface
;
1317 /* release our reference to the proxy manager - the client/apartment
1318 * will hold on to the remaining reference for us */
1319 if (proxy_manager
) IMultiQI_Release(&proxy_manager
->IMultiQI_iface
);
1324 static HRESULT WINAPI
1325 StdMarshalImpl_UnmarshalInterface(IMarshal
*iface
, IStream
*pStm
, REFIID riid
, void **ppv
)
1327 StdMarshalImpl
*This
= impl_from_StdMarshal(iface
);
1328 struct stub_manager
*stubmgr
= NULL
;
1329 STDOBJREF stdobjref
;
1333 APARTMENT
*stub_apt
;
1336 TRACE("(...,%s,....)\n", debugstr_guid(riid
));
1338 /* we need an apartment to unmarshal into */
1339 if (!(apt
= apartment_get_current_or_mta()))
1341 ERR("Apartment not initialized\n");
1342 return CO_E_NOTINITIALIZED
;
1345 /* read STDOBJREF from wire */
1346 hres
= IStream_Read(pStm
, &stdobjref
, sizeof(stdobjref
), &res
);
1349 apartment_release(apt
);
1350 return STG_E_READFAULT
;
1353 hres
= apartment_getoxid(apt
, &oxid
);
1356 apartment_release(apt
);
1360 /* check if we're marshalling back to ourselves */
1361 if ((oxid
== stdobjref
.oxid
) && (stubmgr
= get_stub_manager(apt
, stdobjref
.oid
)))
1363 TRACE("Unmarshalling object marshalled in same apartment for iid %s, "
1364 "returning original object %p\n", debugstr_guid(riid
), stubmgr
->object
);
1366 hres
= IUnknown_QueryInterface(stubmgr
->object
, riid
, ppv
);
1368 /* unref the ifstub. FIXME: only do this on success? */
1369 if (!stub_manager_is_table_marshaled(stubmgr
, &stdobjref
.ipid
))
1370 stub_manager_ext_release(stubmgr
, stdobjref
.cPublicRefs
, stdobjref
.flags
& SORFP_TABLEWEAK
, FALSE
);
1372 stub_manager_int_release(stubmgr
);
1373 apartment_release(apt
);
1377 /* notify stub manager about unmarshal if process-local object.
1378 * note: if the oxid is not found then we and native will quite happily
1379 * ignore table marshaling and normal marshaling rules regarding number of
1380 * unmarshals, etc, but if you abuse these rules then your proxy could end
1381 * up returning RPC_E_DISCONNECTED. */
1382 if ((stub_apt
= apartment_findfromoxid(stdobjref
.oxid
, TRUE
)))
1384 if ((stubmgr
= get_stub_manager(stub_apt
, stdobjref
.oid
)))
1386 if (!stub_manager_notify_unmarshal(stubmgr
, &stdobjref
.ipid
))
1387 hres
= CO_E_OBJNOTCONNECTED
;
1391 WARN("Couldn't find object for OXID %s, OID %s, assuming disconnected\n",
1392 wine_dbgstr_longlong(stdobjref
.oxid
),
1393 wine_dbgstr_longlong(stdobjref
.oid
));
1394 hres
= CO_E_OBJNOTCONNECTED
;
1398 TRACE("Treating unmarshal from OXID %s as inter-process\n",
1399 wine_dbgstr_longlong(stdobjref
.oxid
));
1402 hres
= unmarshal_object(&stdobjref
, apt
, This
->dest_context
,
1403 This
->dest_context_data
, riid
,
1404 stubmgr
? &stubmgr
->oxid_info
: NULL
, ppv
);
1406 if (stubmgr
) stub_manager_int_release(stubmgr
);
1407 if (stub_apt
) apartment_release(stub_apt
);
1409 if (hres
!= S_OK
) WARN("Failed with error 0x%08x\n", hres
);
1410 else TRACE("Successfully created proxy %p\n", *ppv
);
1412 apartment_release(apt
);
1416 static HRESULT WINAPI
1417 StdMarshalImpl_ReleaseMarshalData(IMarshal
*iface
, IStream
*pStm
)
1419 STDOBJREF stdobjref
;
1422 struct stub_manager
*stubmgr
;
1425 TRACE("iface=%p, pStm=%p\n", iface
, pStm
);
1427 hres
= IStream_Read(pStm
, &stdobjref
, sizeof(stdobjref
), &res
);
1428 if (hres
!= S_OK
) return STG_E_READFAULT
;
1430 TRACE("oxid = %s, oid = %s, ipid = %s\n",
1431 wine_dbgstr_longlong(stdobjref
.oxid
),
1432 wine_dbgstr_longlong(stdobjref
.oid
),
1433 wine_dbgstr_guid(&stdobjref
.ipid
));
1435 if (!(apt
= apartment_findfromoxid(stdobjref
.oxid
, TRUE
)))
1437 WARN("Could not map OXID %s to apartment object\n",
1438 wine_dbgstr_longlong(stdobjref
.oxid
));
1439 return RPC_E_INVALID_OBJREF
;
1442 if (!(stubmgr
= get_stub_manager(apt
, stdobjref
.oid
)))
1444 apartment_release(apt
);
1445 ERR("could not map object ID to stub manager, oxid=%s, oid=%s\n",
1446 wine_dbgstr_longlong(stdobjref
.oxid
), wine_dbgstr_longlong(stdobjref
.oid
));
1447 return RPC_E_INVALID_OBJREF
;
1450 stub_manager_release_marshal_data(stubmgr
, stdobjref
.cPublicRefs
, &stdobjref
.ipid
, stdobjref
.flags
& SORFP_TABLEWEAK
);
1452 stub_manager_int_release(stubmgr
);
1453 apartment_release(apt
);
1458 static HRESULT WINAPI
1459 StdMarshalImpl_DisconnectObject(IMarshal
*iface
, DWORD dwReserved
)
1461 FIXME("(), stub!\n");
1465 static const IMarshalVtbl StdMarshalVtbl
=
1467 StdMarshalImpl_QueryInterface
,
1468 StdMarshalImpl_AddRef
,
1469 StdMarshalImpl_Release
,
1470 StdMarshalImpl_GetUnmarshalClass
,
1471 StdMarshalImpl_GetMarshalSizeMax
,
1472 StdMarshalImpl_MarshalInterface
,
1473 StdMarshalImpl_UnmarshalInterface
,
1474 StdMarshalImpl_ReleaseMarshalData
,
1475 StdMarshalImpl_DisconnectObject
1478 static HRESULT
StdMarshalImpl_Construct(REFIID riid
, DWORD dest_context
, void *dest_context_data
, void** ppvObject
)
1482 StdMarshalImpl
*pStdMarshal
= HeapAlloc(GetProcessHeap(), 0, sizeof(StdMarshalImpl
));
1484 return E_OUTOFMEMORY
;
1486 pStdMarshal
->IMarshal_iface
.lpVtbl
= &StdMarshalVtbl
;
1487 pStdMarshal
->ref
= 0;
1488 pStdMarshal
->dest_context
= dest_context
;
1489 pStdMarshal
->dest_context_data
= dest_context_data
;
1491 hr
= IMarshal_QueryInterface(&pStdMarshal
->IMarshal_iface
, riid
, ppvObject
);
1493 HeapFree(GetProcessHeap(), 0, pStdMarshal
);
1498 /***********************************************************************
1499 * CoGetStandardMarshal [OLE32.@]
1501 * Gets or creates a standard marshal object.
1504 * riid [I] Interface identifier of the pUnk object.
1505 * pUnk [I] Optional. Object to get the marshal object for.
1506 * dwDestContext [I] Destination. Used to enable or disable optimizations.
1507 * pvDestContext [I] Reserved. Must be NULL.
1508 * mshlflags [I] Flags affecting the marshaling process.
1509 * ppMarshal [O] Address where marshal object will be stored.
1513 * Failure: HRESULT code.
1517 * The function retrieves the IMarshal object associated with an object if
1518 * that object is currently an active stub, otherwise a new marshal object is
1521 HRESULT WINAPI
CoGetStandardMarshal(REFIID riid
, IUnknown
*pUnk
,
1522 DWORD dwDestContext
, LPVOID pvDestContext
,
1523 DWORD mshlflags
, LPMARSHAL
*ppMarshal
)
1527 FIXME("(%s,NULL,%x,%p,%x,%p), unimplemented yet.\n",
1528 debugstr_guid(riid
),dwDestContext
,pvDestContext
,mshlflags
,ppMarshal
);
1531 TRACE("(%s,%p,%x,%p,%x,%p)\n",
1532 debugstr_guid(riid
),pUnk
,dwDestContext
,pvDestContext
,mshlflags
,ppMarshal
);
1534 return StdMarshalImpl_Construct(&IID_IMarshal
, dwDestContext
, pvDestContext
, (void**)ppMarshal
);
1537 /***********************************************************************
1538 * get_marshaler [internal]
1540 * Retrieves an IMarshal interface for an object.
1542 static HRESULT
get_marshaler(REFIID riid
, IUnknown
*pUnk
, DWORD dwDestContext
,
1543 void *pvDestContext
, DWORD mshlFlags
,
1544 LPMARSHAL
*pMarshal
)
1550 hr
= IUnknown_QueryInterface(pUnk
, &IID_IMarshal
, (LPVOID
*)pMarshal
);
1552 hr
= CoGetStandardMarshal(riid
, pUnk
, dwDestContext
, pvDestContext
,
1553 mshlFlags
, pMarshal
);
1557 /***********************************************************************
1558 * get_unmarshaler_from_stream [internal]
1560 * Creates an IMarshal* object according to the data marshaled to the stream.
1561 * The function leaves the stream pointer at the start of the data written
1562 * to the stream by the IMarshal* object.
1564 static HRESULT
get_unmarshaler_from_stream(IStream
*stream
, IMarshal
**marshal
, IID
*iid
)
1570 /* read common OBJREF header */
1571 hr
= IStream_Read(stream
, &objref
, FIELD_OFFSET(OBJREF
, u_objref
), &res
);
1572 if (hr
!= S_OK
|| (res
!= FIELD_OFFSET(OBJREF
, u_objref
)))
1574 ERR("Failed to read common OBJREF header, 0x%08x\n", hr
);
1575 return STG_E_READFAULT
;
1578 /* sanity check on header */
1579 if (objref
.signature
!= OBJREF_SIGNATURE
)
1581 ERR("Bad OBJREF signature 0x%08x\n", objref
.signature
);
1582 return RPC_E_INVALID_OBJREF
;
1585 if (iid
) *iid
= objref
.iid
;
1587 /* FIXME: handler marshaling */
1588 if (objref
.flags
& OBJREF_STANDARD
)
1590 TRACE("Using standard unmarshaling\n");
1591 hr
= StdMarshalImpl_Construct(&IID_IMarshal
, 0, NULL
, (LPVOID
*)marshal
);
1593 else if (objref
.flags
& OBJREF_CUSTOM
)
1595 ULONG custom_header_size
= FIELD_OFFSET(OBJREF
, u_objref
.u_custom
.pData
) -
1596 FIELD_OFFSET(OBJREF
, u_objref
.u_custom
);
1597 TRACE("Using custom unmarshaling\n");
1598 /* read constant sized OR_CUSTOM data from stream */
1599 hr
= IStream_Read(stream
, &objref
.u_objref
.u_custom
,
1600 custom_header_size
, &res
);
1601 if (hr
!= S_OK
|| (res
!= custom_header_size
))
1603 ERR("Failed to read OR_CUSTOM header, 0x%08x\n", hr
);
1604 return STG_E_READFAULT
;
1606 /* now create the marshaler specified in the stream */
1607 hr
= CoCreateInstance(&objref
.u_objref
.u_custom
.clsid
, NULL
,
1608 CLSCTX_INPROC_SERVER
, &IID_IMarshal
,
1613 FIXME("Invalid or unimplemented marshaling type specified: %x\n",
1615 return RPC_E_INVALID_OBJREF
;
1619 ERR("Failed to create marshal, 0x%08x\n", hr
);
1624 /***********************************************************************
1625 * CoGetMarshalSizeMax [OLE32.@]
1627 * Gets the maximum amount of data that will be needed by a marshal.
1630 * pulSize [O] Address where maximum marshal size will be stored.
1631 * riid [I] Identifier of the interface to marshal.
1632 * pUnk [I] Pointer to the object to marshal.
1633 * dwDestContext [I] Destination. Used to enable or disable optimizations.
1634 * pvDestContext [I] Reserved. Must be NULL.
1635 * mshlFlags [I] Flags that affect the marshaling. See CoMarshalInterface().
1639 * Failure: HRESULT code.
1642 * CoMarshalInterface().
1644 HRESULT WINAPI
CoGetMarshalSizeMax(ULONG
*pulSize
, REFIID riid
, IUnknown
*pUnk
,
1645 DWORD dwDestContext
, void *pvDestContext
,
1650 CLSID marshaler_clsid
;
1652 hr
= get_marshaler(riid
, pUnk
, dwDestContext
, pvDestContext
, mshlFlags
, &pMarshal
);
1656 hr
= IMarshal_GetUnmarshalClass(pMarshal
, riid
, pUnk
, dwDestContext
,
1657 pvDestContext
, mshlFlags
, &marshaler_clsid
);
1660 ERR("IMarshal::GetUnmarshalClass failed, 0x%08x\n", hr
);
1661 IMarshal_Release(pMarshal
);
1665 hr
= IMarshal_GetMarshalSizeMax(pMarshal
, riid
, pUnk
, dwDestContext
,
1666 pvDestContext
, mshlFlags
, pulSize
);
1667 if (IsEqualCLSID(&marshaler_clsid
, &CLSID_DfMarshal
))
1668 /* add on the size of the common header */
1669 *pulSize
+= FIELD_OFFSET(OBJREF
, u_objref
);
1671 /* custom marshaling: add on the size of the whole OBJREF structure
1672 * like native does */
1673 *pulSize
+= sizeof(OBJREF
);
1675 IMarshal_Release(pMarshal
);
1680 static void dump_MSHLFLAGS(MSHLFLAGS flags
)
1682 if (flags
& MSHLFLAGS_TABLESTRONG
)
1683 TRACE(" MSHLFLAGS_TABLESTRONG");
1684 if (flags
& MSHLFLAGS_TABLEWEAK
)
1685 TRACE(" MSHLFLAGS_TABLEWEAK");
1686 if (!(flags
& (MSHLFLAGS_TABLESTRONG
|MSHLFLAGS_TABLEWEAK
)))
1687 TRACE(" MSHLFLAGS_NORMAL");
1688 if (flags
& MSHLFLAGS_NOPING
)
1689 TRACE(" MSHLFLAGS_NOPING");
1692 /***********************************************************************
1693 * CoMarshalInterface [OLE32.@]
1695 * Marshals an interface into a stream so that the object can then be
1696 * unmarshaled from another COM apartment and used remotely.
1699 * pStream [I] Stream the object will be marshaled into.
1700 * riid [I] Identifier of the interface to marshal.
1701 * pUnk [I] Pointer to the object to marshal.
1702 * dwDestContext [I] Destination. Used to enable or disable optimizations.
1703 * pvDestContext [I] Reserved. Must be NULL.
1704 * mshlFlags [I] Flags that affect the marshaling. See notes.
1708 * Failure: HRESULT code.
1712 * The mshlFlags parameter can take one or more of the following flags:
1713 *| MSHLFLAGS_NORMAL - Unmarshal once, releases stub on last proxy release.
1714 *| MSHLFLAGS_TABLESTRONG - Unmarshal many, release when CoReleaseMarshalData() called.
1715 *| MSHLFLAGS_TABLEWEAK - Unmarshal many, releases stub on last proxy release.
1716 *| MSHLFLAGS_NOPING - No automatic garbage collection (and so reduces network traffic).
1718 * If a marshaled object is not unmarshaled, then CoReleaseMarshalData() must
1719 * be called in order to release the resources used in the marshaling.
1722 * CoUnmarshalInterface(), CoReleaseMarshalData().
1724 HRESULT WINAPI
CoMarshalInterface(IStream
*pStream
, REFIID riid
, IUnknown
*pUnk
,
1725 DWORD dwDestContext
, void *pvDestContext
,
1729 CLSID marshaler_clsid
;
1733 TRACE("(%p, %s, %p, %x, %p, ", pStream
, debugstr_guid(riid
), pUnk
,
1734 dwDestContext
, pvDestContext
);
1735 dump_MSHLFLAGS(mshlFlags
);
1738 if (!pUnk
|| !pStream
)
1739 return E_INVALIDARG
;
1741 objref
.signature
= OBJREF_SIGNATURE
;
1744 /* get the marshaler for the specified interface */
1745 hr
= get_marshaler(riid
, pUnk
, dwDestContext
, pvDestContext
, mshlFlags
, &pMarshal
);
1748 ERR("Failed to get marshaller, 0x%08x\n", hr
);
1752 hr
= IMarshal_GetUnmarshalClass(pMarshal
, riid
, pUnk
, dwDestContext
,
1753 pvDestContext
, mshlFlags
, &marshaler_clsid
);
1756 ERR("IMarshal::GetUnmarshalClass failed, 0x%08x\n", hr
);
1760 /* FIXME: implement handler marshaling too */
1761 if (IsEqualCLSID(&marshaler_clsid
, &CLSID_DfMarshal
))
1763 TRACE("Using standard marshaling\n");
1764 objref
.flags
= OBJREF_STANDARD
;
1766 /* write the common OBJREF header to the stream */
1767 hr
= IStream_Write(pStream
, &objref
, FIELD_OFFSET(OBJREF
, u_objref
), NULL
);
1770 ERR("Failed to write OBJREF header to stream, 0x%08x\n", hr
);
1776 TRACE("Using custom marshaling\n");
1777 objref
.flags
= OBJREF_CUSTOM
;
1778 objref
.u_objref
.u_custom
.clsid
= marshaler_clsid
;
1779 objref
.u_objref
.u_custom
.cbExtension
= 0;
1780 objref
.u_objref
.u_custom
.size
= 0;
1781 hr
= IMarshal_GetMarshalSizeMax(pMarshal
, riid
, pUnk
, dwDestContext
,
1782 pvDestContext
, mshlFlags
,
1783 &objref
.u_objref
.u_custom
.size
);
1786 ERR("Failed to get max size of marshal data, error 0x%08x\n", hr
);
1789 /* write constant sized common header and OR_CUSTOM data into stream */
1790 hr
= IStream_Write(pStream
, &objref
,
1791 FIELD_OFFSET(OBJREF
, u_objref
.u_custom
.pData
), NULL
);
1794 ERR("Failed to write OR_CUSTOM header to stream with 0x%08x\n", hr
);
1799 TRACE("Calling IMarshal::MarshalInterface\n");
1800 /* call helper object to do the actual marshaling */
1801 hr
= IMarshal_MarshalInterface(pMarshal
, pStream
, riid
, pUnk
, dwDestContext
,
1802 pvDestContext
, mshlFlags
);
1806 ERR("Failed to marshal the interface %s, %x\n", debugstr_guid(riid
), hr
);
1811 IMarshal_Release(pMarshal
);
1813 TRACE("completed with hr 0x%08x\n", hr
);
1818 /***********************************************************************
1819 * CoUnmarshalInterface [OLE32.@]
1821 * Unmarshals an object from a stream by creating a proxy to the remote
1822 * object, if necessary.
1826 * pStream [I] Stream containing the marshaled object.
1827 * riid [I] Interface identifier of the object to create a proxy to.
1828 * ppv [O] Address where proxy will be stored.
1833 * Failure: HRESULT code.
1836 * CoMarshalInterface().
1838 HRESULT WINAPI
CoUnmarshalInterface(IStream
*pStream
, REFIID riid
, LPVOID
*ppv
)
1845 TRACE("(%p, %s, %p)\n", pStream
, debugstr_guid(riid
), ppv
);
1847 if (!pStream
|| !ppv
)
1848 return E_INVALIDARG
;
1850 hr
= get_unmarshaler_from_stream(pStream
, &pMarshal
, &iid
);
1854 /* call the helper object to do the actual unmarshaling */
1855 hr
= IMarshal_UnmarshalInterface(pMarshal
, pStream
, &iid
, (LPVOID
*)&object
);
1857 ERR("IMarshal::UnmarshalInterface failed, 0x%08x\n", hr
);
1861 /* IID_NULL means use the interface ID of the marshaled object */
1862 if (!IsEqualIID(riid
, &IID_NULL
) && !IsEqualIID(riid
, &iid
))
1864 TRACE("requested interface != marshalled interface, additional QI needed\n");
1865 hr
= IUnknown_QueryInterface(object
, riid
, ppv
);
1867 ERR("Couldn't query for interface %s, hr = 0x%08x\n",
1868 debugstr_guid(riid
), hr
);
1869 IUnknown_Release(object
);
1877 IMarshal_Release(pMarshal
);
1879 TRACE("completed with hr 0x%x\n", hr
);
1884 /***********************************************************************
1885 * CoReleaseMarshalData [OLE32.@]
1887 * Releases resources associated with an object that has been marshaled into
1892 * pStream [I] The stream that the object has been marshaled into.
1896 * Failure: HRESULT error code.
1900 * Call this function to release resources associated with a normal or
1901 * table-weak marshal that will not be unmarshaled, and all table-strong
1902 * marshals when they are no longer needed.
1905 * CoMarshalInterface(), CoUnmarshalInterface().
1907 HRESULT WINAPI
CoReleaseMarshalData(IStream
*pStream
)
1912 TRACE("(%p)\n", pStream
);
1914 hr
= get_unmarshaler_from_stream(pStream
, &pMarshal
, NULL
);
1918 /* call the helper object to do the releasing of marshal data */
1919 hr
= IMarshal_ReleaseMarshalData(pMarshal
, pStream
);
1921 ERR("IMarshal::ReleaseMarshalData failed with error 0x%08x\n", hr
);
1923 IMarshal_Release(pMarshal
);
1928 /***********************************************************************
1929 * CoMarshalInterThreadInterfaceInStream [OLE32.@]
1931 * Marshal an interface across threads in the same process.
1934 * riid [I] Identifier of the interface to be marshalled.
1935 * pUnk [I] Pointer to IUnknown-derived interface that will be marshalled.
1936 * ppStm [O] Pointer to IStream object that is created and then used to store the marshalled interface.
1940 * Failure: E_OUTOFMEMORY and other COM error codes
1943 * CoMarshalInterface(), CoUnmarshalInterface() and CoGetInterfaceAndReleaseStream()
1945 HRESULT WINAPI
CoMarshalInterThreadInterfaceInStream(
1946 REFIID riid
, LPUNKNOWN pUnk
, LPSTREAM
* ppStm
)
1948 ULARGE_INTEGER xpos
;
1949 LARGE_INTEGER seekto
;
1952 TRACE("(%s, %p, %p)\n",debugstr_guid(riid
), pUnk
, ppStm
);
1954 hres
= CreateStreamOnHGlobal(NULL
, TRUE
, ppStm
);
1955 if (FAILED(hres
)) return hres
;
1956 hres
= CoMarshalInterface(*ppStm
, riid
, pUnk
, MSHCTX_INPROC
, NULL
, MSHLFLAGS_NORMAL
);
1958 if (SUCCEEDED(hres
))
1960 memset(&seekto
, 0, sizeof(seekto
));
1961 IStream_Seek(*ppStm
, seekto
, STREAM_SEEK_SET
, &xpos
);
1965 IStream_Release(*ppStm
);
1972 /***********************************************************************
1973 * CoGetInterfaceAndReleaseStream [OLE32.@]
1975 * Unmarshalls an interface from a stream and then releases the stream.
1978 * pStm [I] Stream that contains the marshalled interface.
1979 * riid [I] Interface identifier of the object to unmarshall.
1980 * ppv [O] Address of pointer where the requested interface object will be stored.
1984 * Failure: A COM error code
1987 * CoMarshalInterThreadInterfaceInStream() and CoUnmarshalInterface()
1989 HRESULT WINAPI
CoGetInterfaceAndReleaseStream(LPSTREAM pStm
, REFIID riid
,
1994 TRACE("(%p, %s, %p)\n", pStm
, debugstr_guid(riid
), ppv
);
1996 if(!pStm
) return E_INVALIDARG
;
1997 hres
= CoUnmarshalInterface(pStm
, riid
, ppv
);
1998 IStream_Release(pStm
);
2002 static HRESULT WINAPI
StdMarshalCF_QueryInterface(LPCLASSFACTORY iface
,
2003 REFIID riid
, LPVOID
*ppv
)
2006 if (IsEqualIID(riid
, &IID_IUnknown
) || IsEqualIID(riid
, &IID_IClassFactory
))
2011 return E_NOINTERFACE
;
2014 static ULONG WINAPI
StdMarshalCF_AddRef(LPCLASSFACTORY iface
)
2016 return 2; /* non-heap based object */
2019 static ULONG WINAPI
StdMarshalCF_Release(LPCLASSFACTORY iface
)
2021 return 1; /* non-heap based object */
2024 static HRESULT WINAPI
StdMarshalCF_CreateInstance(LPCLASSFACTORY iface
,
2025 LPUNKNOWN pUnk
, REFIID riid
, LPVOID
*ppv
)
2027 if (IsEqualIID(riid
, &IID_IUnknown
) || IsEqualIID(riid
, &IID_IMarshal
))
2028 return StdMarshalImpl_Construct(riid
, 0, NULL
, ppv
);
2030 FIXME("(%s), not supported.\n",debugstr_guid(riid
));
2031 return E_NOINTERFACE
;
2034 static HRESULT WINAPI
StdMarshalCF_LockServer(LPCLASSFACTORY iface
, BOOL fLock
)
2036 FIXME("(%d), stub!\n",fLock
);
2040 static const IClassFactoryVtbl StdMarshalCFVtbl
=
2042 StdMarshalCF_QueryInterface
,
2043 StdMarshalCF_AddRef
,
2044 StdMarshalCF_Release
,
2045 StdMarshalCF_CreateInstance
,
2046 StdMarshalCF_LockServer
2048 static const IClassFactoryVtbl
*StdMarshalCF
= &StdMarshalCFVtbl
;
2050 HRESULT
MARSHAL_GetStandardMarshalCF(LPVOID
*ppv
)
2052 *ppv
= &StdMarshalCF
;
2056 /***********************************************************************
2057 * CoMarshalHresult [OLE32.@]
2059 * Marshals an HRESULT value into a stream.
2062 * pStm [I] Stream that hresult will be marshalled into.
2063 * hresult [I] HRESULT to be marshalled.
2067 * Failure: A COM error code
2070 * CoUnmarshalHresult().
2072 HRESULT WINAPI
CoMarshalHresult(LPSTREAM pStm
, HRESULT hresult
)
2074 return IStream_Write(pStm
, &hresult
, sizeof(hresult
), NULL
);
2077 /***********************************************************************
2078 * CoUnmarshalHresult [OLE32.@]
2080 * Unmarshals an HRESULT value from a stream.
2083 * pStm [I] Stream that hresult will be unmarshalled from.
2084 * phresult [I] Pointer to HRESULT where the value will be unmarshalled to.
2088 * Failure: A COM error code
2091 * CoMarshalHresult().
2093 HRESULT WINAPI
CoUnmarshalHresult(LPSTREAM pStm
, HRESULT
* phresult
)
2095 return IStream_Read(pStm
, phresult
, sizeof(*phresult
), NULL
);