dsound: Small mixer optimizations.
[wine] / dlls / ole32 / oleproxy.c
1 /*
2  *      OLE32 proxy/stub handler
3  *
4  *  Copyright 2002  Marcus Meissner
5  *  Copyright 2001  Ove Kåven, TransGaming Technologies
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this library; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20  */
21
22 /* Documentation on MSDN:
23  *
24  * (Top level COM documentation)
25  * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnanchor/html/componentdevelopmentank.asp
26  *
27  * (COM Proxy)
28  * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/com/htm/comext_1q0p.asp
29  *
30  * (COM Stub)
31  * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/com/htm/comext_1lia.asp
32  *
33  * (Marshal)
34  * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/com/htm/comext_1gfn.asp
35  *
36  */
37
38 #include "config.h"
39
40 #include <stdlib.h>
41 #include <stdarg.h>
42 #include <stdio.h>
43 #include <string.h>
44
45 #define COBJMACROS
46 #define NONAMELESSUNION
47 #define NONAMELESSSTRUCT
48
49 #include "windef.h"
50 #include "winbase.h"
51 #include "winuser.h"
52 #include "objbase.h"
53 #include "ole2.h"
54 #include "rpc.h"
55 #include "winerror.h"
56 #include "wtypes.h"
57
58 #include "compobj_private.h"
59 #include "moniker.h"
60
61 #include "wine/debug.h"
62
63 WINE_DEFAULT_DEBUG_CHANNEL(ole);
64
65 static ULONG WINAPI RURpcProxyBufferImpl_Release(LPRPCPROXYBUFFER iface);
66
67 /* From: http://msdn.microsoft.com/library/en-us/com/cmi_m_4lda.asp
68  *
69  * The first time a client requests a pointer to an interface on a
70  * particular object, COM loads an IClassFactory stub in the server
71  * process and uses it to marshal the first pointer back to the
72  * client. In the client process, COM loads the generic proxy for the
73  * class factory object and calls its implementation of IMarshal to
74  * unmarshal that first pointer. COM then creates the first interface
75  * proxy and hands it a pointer to the RPC channel. Finally, COM returns
76  * the IClassFactory pointer to the client, which uses it to call
77  * IClassFactory::CreateInstance, passing it a reference to the interface.
78  *
79  * Back in the server process, COM now creates a new instance of the
80  * object, along with a stub for the requested interface. This stub marshals
81  * the interface pointer back to the client process, where another object
82  * proxy is created, this time for the object itself. Also created is a
83  * proxy for the requested interface, a pointer to which is returned to
84  * the client. With subsequent calls to other interfaces on the object,
85  * COM will load the appropriate interface stubs and proxies as needed.
86  */
87 typedef struct _CFStub {
88     const IRpcStubBufferVtbl   *lpvtbl;
89     LONG                        ref;
90
91     LPUNKNOWN                   pUnkServer;
92 } CFStub;
93
94 static HRESULT WINAPI
95 CFStub_QueryInterface(LPRPCSTUBBUFFER iface, REFIID riid, LPVOID *ppv) {
96     if (IsEqualIID(&IID_IUnknown,riid)||IsEqualIID(&IID_IRpcStubBuffer,riid)) {
97         *ppv = (LPVOID)iface;
98         IUnknown_AddRef(iface);
99         return S_OK;
100     }
101     FIXME("(%s), interface not supported.\n",debugstr_guid(riid));
102     return E_NOINTERFACE;
103 }
104
105 static ULONG WINAPI
106 CFStub_AddRef(LPRPCSTUBBUFFER iface) {
107     CFStub *This = (CFStub *)iface;
108     return InterlockedIncrement(&This->ref);
109 }
110
111 static ULONG WINAPI
112 CFStub_Release(LPRPCSTUBBUFFER iface) {
113     CFStub *This = (CFStub *)iface;
114     ULONG ref;
115
116     ref = InterlockedDecrement(&This->ref);
117     if (!ref) {
118         IRpcStubBuffer_Disconnect(iface);
119         HeapFree(GetProcessHeap(),0,This);
120     }
121     return ref;
122 }
123
124 static HRESULT WINAPI
125 CFStub_Connect(LPRPCSTUBBUFFER iface, IUnknown *pUnkServer) {
126     CFStub *This = (CFStub *)iface;
127
128     This->pUnkServer = pUnkServer;
129     IUnknown_AddRef(pUnkServer);
130     return S_OK;
131 }
132
133 static void WINAPI
134 CFStub_Disconnect(LPRPCSTUBBUFFER iface) {
135     CFStub *This = (CFStub *)iface;
136
137     if (This->pUnkServer) {
138         IUnknown_Release(This->pUnkServer);
139         This->pUnkServer = NULL;
140     }
141 }
142
143 static HRESULT WINAPI
144 CFStub_Invoke(
145     LPRPCSTUBBUFFER iface,RPCOLEMESSAGE* msg,IRpcChannelBuffer* chanbuf
146 ) {
147     CFStub *This = (CFStub *)iface;
148     HRESULT hres;
149
150     if (msg->iMethod == 3) { /* CreateInstance */
151         IID iid;
152         IClassFactory   *classfac;
153         IUnknown        *ppv;
154         IStream         *pStm;
155         STATSTG         ststg;
156         ULARGE_INTEGER  newpos;
157         LARGE_INTEGER   seekto;
158         ULONG           res;
159
160         if (msg->cbBuffer < sizeof(IID)) {
161             FIXME("Not enough bytes in buffer (%d)?\n",msg->cbBuffer);
162             return E_FAIL;
163         }
164         memcpy(&iid,msg->Buffer,sizeof(iid));
165         TRACE("->CreateInstance(%s)\n",debugstr_guid(&iid));
166         hres = IUnknown_QueryInterface(This->pUnkServer,&IID_IClassFactory,(LPVOID*)&classfac);
167         if (hres) {
168             FIXME("Ole server does not provide an IClassFactory?\n");
169             return hres;
170         }
171         hres = IClassFactory_CreateInstance(classfac,NULL,&iid,(LPVOID*)&ppv);
172         IClassFactory_Release(classfac);
173         msg->cbBuffer = 0;
174         if (hres) {
175             FIXME("Failed to create an instance of %s\n",debugstr_guid(&iid));
176             goto getbuffer;
177         }
178         hres = CreateStreamOnHGlobal(0,TRUE,&pStm);
179         if (hres) {
180             FIXME("Failed to create stream on hglobal\n");
181             goto getbuffer;
182         }
183         hres = IStream_Write(pStm, &ppv, sizeof(ppv), NULL);
184         if (hres) {
185            ERR("IStream_Write failed, 0x%08x\n", hres);
186            goto getbuffer;
187         }
188         if (ppv) {
189         hres = CoMarshalInterface(pStm,&iid,ppv,0,NULL,0);
190         IUnknown_Release(ppv);
191         if (hres) {
192             FIXME("CoMarshalInterface failed, %x!\n",hres);
193             goto getbuffer;
194         }
195     }
196         hres = IStream_Stat(pStm,&ststg,0);
197         if (hres) {
198             FIXME("Stat failed.\n");
199             goto getbuffer;
200         }
201
202         msg->cbBuffer = ststg.cbSize.u.LowPart;
203
204 getbuffer:
205         IRpcChannelBuffer_GetBuffer(chanbuf, msg, &IID_IClassFactory);
206         if (hres) return hres;
207
208         seekto.u.LowPart = 0;seekto.u.HighPart = 0;
209         hres = IStream_Seek(pStm,seekto,SEEK_SET,&newpos);
210         if (hres) {
211             FIXME("IStream_Seek failed, %x\n",hres);
212             return hres;
213         }
214         hres = IStream_Read(pStm,msg->Buffer,msg->cbBuffer,&res);
215         if (hres) {
216             FIXME("Stream Read failed, %x\n",hres);
217             return hres;
218         }
219         IStream_Release(pStm);
220         return S_OK;
221     }
222     FIXME("(%p,%p), stub!\n",msg,chanbuf);
223     FIXME("iMethod is %d\n",msg->iMethod);
224     FIXME("cbBuffer is %d\n",msg->cbBuffer);
225     return E_FAIL;
226 }
227
228 static LPRPCSTUBBUFFER WINAPI
229 CFStub_IsIIDSupported(LPRPCSTUBBUFFER iface,REFIID riid) {
230     FIXME("(%s), stub!\n",debugstr_guid(riid));
231     return NULL;
232 }
233
234 static ULONG WINAPI
235 CFStub_CountRefs(LPRPCSTUBBUFFER iface) {
236     FIXME("(), stub!\n");
237     return 1;
238 }
239
240 static HRESULT WINAPI
241 CFStub_DebugServerQueryInterface(LPRPCSTUBBUFFER iface,void** ppv) {
242     FIXME("(%p), stub!\n",ppv);
243     return E_FAIL;
244 }
245 static void    WINAPI
246 CFStub_DebugServerRelease(LPRPCSTUBBUFFER iface,void *pv) {
247     FIXME("(%p), stub!\n",pv);
248 }
249
250 static const IRpcStubBufferVtbl cfstubvt = {
251     CFStub_QueryInterface,
252     CFStub_AddRef,
253     CFStub_Release,
254     CFStub_Connect,
255     CFStub_Disconnect,
256     CFStub_Invoke,
257     CFStub_IsIIDSupported,
258     CFStub_CountRefs,
259     CFStub_DebugServerQueryInterface,
260     CFStub_DebugServerRelease
261 };
262
263 static HRESULT
264 CFStub_Construct(LPRPCSTUBBUFFER *ppv) {
265     CFStub *cfstub;
266     cfstub = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(CFStub));
267     if (!cfstub)
268         return E_OUTOFMEMORY;
269     *ppv = (LPRPCSTUBBUFFER)cfstub;
270     cfstub->lpvtbl      = &cfstubvt;
271     cfstub->ref         = 1;
272     return S_OK;
273 }
274
275 /* Since we create proxy buffers and classfactory in a pair, there is
276  * no need for 2 separate structs. Just put them in one, but remember
277  * the refcount.
278  */
279 typedef struct _CFProxy {
280     const IClassFactoryVtbl             *lpvtbl_cf;
281     const IRpcProxyBufferVtbl   *lpvtbl_proxy;
282     LONG                                ref;
283
284     IRpcChannelBuffer                   *chanbuf;
285     IUnknown *outer_unknown;
286 } CFProxy;
287
288 static HRESULT WINAPI IRpcProxyBufferImpl_QueryInterface(LPRPCPROXYBUFFER iface,REFIID riid,LPVOID *ppv) {
289     *ppv = NULL;
290     if (IsEqualIID(riid,&IID_IRpcProxyBuffer)||IsEqualIID(riid,&IID_IUnknown)) {
291         IRpcProxyBuffer_AddRef(iface);
292         *ppv = (LPVOID)iface;
293         return S_OK;
294     }
295     FIXME("(%s), no interface.\n",debugstr_guid(riid));
296     return E_NOINTERFACE;
297 }
298
299 static ULONG WINAPI IRpcProxyBufferImpl_AddRef(LPRPCPROXYBUFFER iface) {
300     ICOM_THIS_MULTI(CFProxy,lpvtbl_proxy,iface);
301     return InterlockedIncrement(&This->ref);
302 }
303
304 static ULONG WINAPI IRpcProxyBufferImpl_Release(LPRPCPROXYBUFFER iface) {
305     ICOM_THIS_MULTI(CFProxy,lpvtbl_proxy,iface);
306     ULONG ref = InterlockedDecrement(&This->ref);
307
308     if (!ref) {
309         IRpcProxyBuffer_Disconnect(iface);
310         HeapFree(GetProcessHeap(),0,This);
311     }
312     return ref;
313 }
314
315 static HRESULT WINAPI IRpcProxyBufferImpl_Connect(LPRPCPROXYBUFFER iface,IRpcChannelBuffer* pRpcChannelBuffer) {
316     ICOM_THIS_MULTI(CFProxy,lpvtbl_proxy,iface);
317
318     This->chanbuf = pRpcChannelBuffer;
319     IRpcChannelBuffer_AddRef(This->chanbuf);
320     return S_OK;
321 }
322 static void WINAPI IRpcProxyBufferImpl_Disconnect(LPRPCPROXYBUFFER iface) {
323     ICOM_THIS_MULTI(CFProxy,lpvtbl_proxy,iface);
324     if (This->chanbuf) {
325         IRpcChannelBuffer_Release(This->chanbuf);
326         This->chanbuf = NULL;
327     }
328 }
329
330 static HRESULT WINAPI
331 CFProxy_QueryInterface(LPCLASSFACTORY iface,REFIID riid, LPVOID *ppv) {
332     ICOM_THIS_MULTI(CFProxy,lpvtbl_cf,iface);
333     if (This->outer_unknown) return IUnknown_QueryInterface(This->outer_unknown, riid, ppv);
334     *ppv = NULL;
335     if (IsEqualIID(&IID_IClassFactory,riid) || IsEqualIID(&IID_IUnknown,riid)) {
336         *ppv = (LPVOID)iface;
337         IClassFactory_AddRef(iface);
338         return S_OK;
339     }
340     if (IsEqualIID(riid,&IID_IMarshal)) /* just to avoid debug output */
341         return E_NOINTERFACE;
342     FIXME("Unhandled interface: %s\n",debugstr_guid(riid));
343     return E_NOINTERFACE;
344 }
345
346 static ULONG   WINAPI CFProxy_AddRef(LPCLASSFACTORY iface) {
347     ICOM_THIS_MULTI(CFProxy,lpvtbl_cf,iface);
348     if (This->outer_unknown) return IUnknown_AddRef(This->outer_unknown);
349     return InterlockedIncrement(&This->ref);
350 }
351
352 static ULONG   WINAPI CFProxy_Release(LPCLASSFACTORY iface) {
353     ICOM_THIS_MULTI(CFProxy,lpvtbl_cf,iface);
354     if (This->outer_unknown)
355         return IUnknown_Release(This->outer_unknown);
356     else
357         return IRpcProxyBufferImpl_Release((IRpcProxyBuffer *)&This->lpvtbl_proxy);
358 }
359
360 static HRESULT WINAPI CFProxy_CreateInstance(
361     LPCLASSFACTORY iface,
362     LPUNKNOWN pUnkOuter,/* [in] */
363     REFIID riid,        /* [in] */
364     LPVOID *ppv         /* [out] */
365 ) {
366     ICOM_THIS_MULTI(CFProxy,lpvtbl_cf,iface);
367     HRESULT             hres;
368     LPSTREAM            pStream;
369     HGLOBAL             hGlobal;
370     ULONG               srstatus;
371     RPCOLEMESSAGE       msg;
372
373     TRACE("(%p,%s,%p)\n",pUnkOuter,debugstr_guid(riid),ppv);
374
375     /* Send CreateInstance to the remote classfactory.
376      *
377      * Data: Only the 'IID'.
378      */
379     msg.iMethod  = 3;
380     msg.cbBuffer = sizeof(*riid);
381     msg.Buffer   = NULL;
382     hres = IRpcChannelBuffer_GetBuffer(This->chanbuf,&msg,&IID_IClassFactory);
383     if (hres) {
384         FIXME("IRpcChannelBuffer_GetBuffer failed with %x?\n",hres);
385         return hres;
386     }
387     memcpy(msg.Buffer,riid,sizeof(*riid));
388     hres = IRpcChannelBuffer_SendReceive(This->chanbuf,&msg,&srstatus);
389     if (hres) {
390         FIXME("IRpcChannelBuffer_SendReceive failed with %x?\n",hres);
391         IRpcChannelBuffer_FreeBuffer(This->chanbuf,&msg);
392         return hres;
393     }
394
395     if (!msg.cbBuffer) { /* interface not found on remote */
396         IRpcChannelBuffer_FreeBuffer(This->chanbuf,&msg);
397         return srstatus;
398     }
399
400     /* We got back: [Marshalled Interface data] */
401     TRACE("got %d bytes data.\n",msg.cbBuffer);
402     hGlobal = GlobalAlloc(GMEM_MOVEABLE|GMEM_NODISCARD|GMEM_SHARE,msg.cbBuffer);
403     memcpy(GlobalLock(hGlobal),msg.Buffer,msg.cbBuffer);
404     hres = CreateStreamOnHGlobal(hGlobal,TRUE,&pStream);
405     if (hres) {
406         FIXME("CreateStreamOnHGlobal failed with %x\n",hres);
407         IRpcChannelBuffer_FreeBuffer(This->chanbuf,&msg);
408         return hres;
409     }
410     hres = IStream_Read(pStream, ppv, sizeof(*ppv), NULL);
411     if (hres != S_OK)
412         hres = E_FAIL;
413     else if (*ppv) {
414         hres = CoUnmarshalInterface(
415                pStream,
416                riid,
417                ppv
418         );
419     }
420     IStream_Release(pStream); /* Does GlobalFree hGlobal too. */
421
422     IRpcChannelBuffer_FreeBuffer(This->chanbuf,&msg);
423
424     if (hres) {
425         FIXME("CoMarshalInterface failed, %x\n",hres);
426         return hres;
427     }
428     return S_OK;
429 }
430
431 static HRESULT WINAPI CFProxy_LockServer(LPCLASSFACTORY iface,BOOL fLock) {
432     /*ICOM_THIS_MULTI(CFProxy,lpvtbl_cf,iface);*/
433     FIXME("(%d), stub!\n",fLock);
434     /* basically: write BOOL, read empty */
435     return S_OK;
436 }
437
438 static const IRpcProxyBufferVtbl pspbvtbl = {
439     IRpcProxyBufferImpl_QueryInterface,
440     IRpcProxyBufferImpl_AddRef,
441     IRpcProxyBufferImpl_Release,
442     IRpcProxyBufferImpl_Connect,
443     IRpcProxyBufferImpl_Disconnect
444 };
445 static const IClassFactoryVtbl cfproxyvt = {
446     CFProxy_QueryInterface,
447     CFProxy_AddRef,
448     CFProxy_Release,
449     CFProxy_CreateInstance,
450     CFProxy_LockServer
451 };
452
453 static HRESULT
454 CFProxy_Construct(IUnknown *pUnkOuter, LPVOID *ppv,LPVOID *ppProxy) {
455     CFProxy *cf;
456
457     cf = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(CFProxy));
458     if (!cf)
459         return E_OUTOFMEMORY;
460
461     cf->lpvtbl_cf       = &cfproxyvt;
462     cf->lpvtbl_proxy    = &pspbvtbl;
463     /* one reference for the proxy buffer */
464     cf->ref             = 1;
465     cf->outer_unknown = pUnkOuter;
466     *ppv                = &(cf->lpvtbl_cf);
467     *ppProxy            = &(cf->lpvtbl_proxy);
468     /* and one reference for the object */
469     IUnknown_AddRef((IUnknown *)*ppv);
470     return S_OK;
471 }
472
473
474 /********************* IRemUnknown Proxy/Stub ********************************/
475
476 typedef struct
477 {
478     const IRpcStubBufferVtbl *lpVtbl;
479     LONG refs;
480     IRemUnknown *iface;
481 } RemUnkStub;
482
483 static HRESULT WINAPI RemUnkStub_QueryInterface(LPRPCSTUBBUFFER iface,
484                                              REFIID riid,
485                                              LPVOID *obj)
486 {
487   RemUnkStub *This = (RemUnkStub *)iface;
488   TRACE("(%p)->QueryInterface(%s,%p)\n",This,debugstr_guid(riid),obj);
489   if (IsEqualGUID(&IID_IUnknown,riid) ||
490       IsEqualGUID(&IID_IRpcStubBuffer,riid)) {
491     *obj = This;
492     return S_OK;
493   }
494   return E_NOINTERFACE;
495 }
496
497 static ULONG WINAPI RemUnkStub_AddRef(LPRPCSTUBBUFFER iface)
498 {
499   RemUnkStub *This = (RemUnkStub *)iface;
500   TRACE("(%p)->AddRef()\n",This);
501   return InterlockedIncrement(&This->refs);
502 }
503
504 static ULONG WINAPI RemUnkStub_Release(LPRPCSTUBBUFFER iface)
505 {
506   RemUnkStub *This = (RemUnkStub *)iface;
507   ULONG refs;
508   TRACE("(%p)->Release()\n",This);
509   refs = InterlockedDecrement(&This->refs);
510   if (!refs)
511     HeapFree(GetProcessHeap(), 0, This);
512   return refs;
513 }
514
515 static HRESULT WINAPI RemUnkStub_Connect(LPRPCSTUBBUFFER iface,
516                                       LPUNKNOWN lpUnkServer)
517 {
518   RemUnkStub *This = (RemUnkStub *)iface;
519   TRACE("(%p)->Connect(%p)\n",This,lpUnkServer);
520   This->iface = (IRemUnknown*)lpUnkServer;
521   IRemUnknown_AddRef(This->iface);
522   return S_OK;
523 }
524
525 static void WINAPI RemUnkStub_Disconnect(LPRPCSTUBBUFFER iface)
526 {
527   RemUnkStub *This = (RemUnkStub *)iface;
528   TRACE("(%p)->Disconnect()\n",This);
529   IUnknown_Release(This->iface);
530   This->iface = NULL;
531 }
532
533 static HRESULT WINAPI RemUnkStub_Invoke(LPRPCSTUBBUFFER iface,
534                                      PRPCOLEMESSAGE pMsg,
535                                      LPRPCCHANNELBUFFER pChannel)
536 {
537   RemUnkStub *This = (RemUnkStub *)iface;
538   ULONG iMethod = pMsg->iMethod;
539   LPBYTE buf = pMsg->Buffer;
540   HRESULT hr = RPC_E_INVALIDMETHOD;
541
542   TRACE("(%p)->Invoke(%p,%p) method %d\n", This, pMsg, pChannel, iMethod);
543   switch (iMethod)
544   {
545   case 3: /* RemQueryInterface */
546   {
547     IPID ipid;
548     ULONG cRefs;
549     USHORT cIids;
550     IID *iids;
551     REMQIRESULT *pQIResults = NULL;
552
553     /* in */
554     memcpy(&ipid, buf, sizeof(ipid));
555     buf += sizeof(ipid);
556     memcpy(&cRefs, buf, sizeof(cRefs));
557     buf += sizeof(cRefs);
558     memcpy(&cIids, buf, sizeof(cIids));
559     buf += sizeof(cIids);
560     iids = (IID *)buf;
561
562     hr = IRemUnknown_RemQueryInterface(This->iface, &ipid, cRefs, cIids, iids, &pQIResults);
563
564     /* out */
565     pMsg->cbBuffer = cIids * sizeof(REMQIRESULT) + sizeof(HRESULT);
566
567     IRpcChannelBuffer_GetBuffer(pChannel, pMsg, &IID_IRemUnknown);
568
569     buf = pMsg->Buffer;
570     *(HRESULT *)buf = hr;
571     buf += sizeof(HRESULT);
572     
573     if (hr) return hr;
574     /* FIXME: pQIResults is a unique pointer so pQIResults can be NULL! */
575     memcpy(buf, pQIResults, cIids * sizeof(REMQIRESULT));
576
577     break;
578   }
579   case 4: /* RemAddRef */
580   {
581     USHORT cIids;
582     REMINTERFACEREF *ir;
583     HRESULT *pResults;
584
585     /* in */
586     memcpy(&cIids, buf, sizeof(USHORT));
587     buf += sizeof(USHORT);
588     ir = (REMINTERFACEREF*)buf;
589     pResults = CoTaskMemAlloc(cIids * sizeof(HRESULT));
590     if (!pResults) return E_OUTOFMEMORY;
591
592     hr = IRemUnknown_RemAddRef(This->iface, cIids, ir, pResults);
593
594     /* out */
595     pMsg->cbBuffer = cIids * sizeof(HRESULT);
596
597     IRpcChannelBuffer_GetBuffer(pChannel, pMsg, &IID_IRemUnknown);
598     if (!hr)
599     {
600         buf = pMsg->Buffer;
601         memcpy(buf, pResults, cIids * sizeof(HRESULT));
602     }
603
604     CoTaskMemFree(pResults);
605
606     break;
607   }
608   case 5: /* RemRelease */
609   {
610     USHORT cIids;
611     REMINTERFACEREF *ir;
612
613     /* in */
614     memcpy(&cIids, buf, sizeof(USHORT));
615     buf += sizeof(USHORT);
616     ir = (REMINTERFACEREF*)buf;
617
618     hr = IRemUnknown_RemRelease(This->iface, cIids, ir);
619
620     /* out */
621     pMsg->cbBuffer = 0;
622     IRpcChannelBuffer_GetBuffer(pChannel, pMsg, &IID_IRemUnknown);
623     break;
624   }
625   }
626   return hr;
627 }
628
629 static LPRPCSTUBBUFFER WINAPI RemUnkStub_IsIIDSupported(LPRPCSTUBBUFFER iface,
630                                                      REFIID riid)
631 {
632   RemUnkStub *This = (RemUnkStub *)iface;
633   TRACE("(%p)->IsIIDSupported(%s)\n", This, debugstr_guid(riid));
634   return IsEqualGUID(&IID_IRemUnknown, riid) ? iface : NULL;
635 }
636
637 static ULONG WINAPI RemUnkStub_CountRefs(LPRPCSTUBBUFFER iface)
638 {
639   RemUnkStub *This = (RemUnkStub *)iface;
640   FIXME("(%p)->CountRefs()\n", This);
641   return 1;
642 }
643
644 static HRESULT WINAPI RemUnkStub_DebugServerQueryInterface(LPRPCSTUBBUFFER iface,
645                                                         LPVOID *ppv)
646 {
647   RemUnkStub *This = (RemUnkStub *)iface;
648   FIXME("(%p)->DebugServerQueryInterface(%p)\n",This,ppv);
649   return E_NOINTERFACE;
650 }
651
652 static void WINAPI RemUnkStub_DebugServerRelease(LPRPCSTUBBUFFER iface,
653                                               LPVOID pv)
654 {
655   RemUnkStub *This = (RemUnkStub *)iface;
656   FIXME("(%p)->DebugServerRelease(%p)\n", This, pv);
657 }
658
659 static const IRpcStubBufferVtbl RemUnkStub_VTable =
660 {
661   RemUnkStub_QueryInterface,
662   RemUnkStub_AddRef,
663   RemUnkStub_Release,
664   RemUnkStub_Connect,
665   RemUnkStub_Disconnect,
666   RemUnkStub_Invoke,
667   RemUnkStub_IsIIDSupported,
668   RemUnkStub_CountRefs,
669   RemUnkStub_DebugServerQueryInterface,
670   RemUnkStub_DebugServerRelease
671 };
672
673 static HRESULT RemUnkStub_Construct(IRpcStubBuffer **ppStub)
674 {
675     RemUnkStub *This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
676     if (!This) return E_OUTOFMEMORY;
677     This->lpVtbl = &RemUnkStub_VTable;
678     This->refs = 1;
679     This->iface = NULL;
680     *ppStub = (IRpcStubBuffer*)This;
681     return S_OK;
682 }
683
684
685 typedef struct _RemUnkProxy {
686     const IRemUnknownVtbl               *lpvtbl_remunk;
687     const IRpcProxyBufferVtbl   *lpvtbl_proxy;
688     LONG                                refs;
689
690     IRpcChannelBuffer                   *chan;
691     IUnknown *outer_unknown;
692 } RemUnkProxy;
693
694 static HRESULT WINAPI RemUnkProxy_QueryInterface(LPREMUNKNOWN iface, REFIID riid, void **ppv)
695 {
696     RemUnkProxy *This = (RemUnkProxy *)iface;
697     if (This->outer_unknown)
698         return IUnknown_QueryInterface(This->outer_unknown, riid, ppv);
699     if (IsEqualIID(riid, &IID_IUnknown) ||
700         IsEqualIID(riid, &IID_IRemUnknown))
701     {
702         IRemUnknown_AddRef(iface);
703         *ppv = (LPVOID)iface;
704         return S_OK;
705     }
706     return E_NOINTERFACE;
707 }
708
709 static ULONG WINAPI RemUnkProxy_AddRef(LPREMUNKNOWN iface)
710 {
711   RemUnkProxy *This = (RemUnkProxy *)iface;
712   ULONG refs;
713
714   TRACE("(%p)->AddRef()\n",This);
715
716   if (This->outer_unknown)
717       refs = IUnknown_AddRef(This->outer_unknown);
718   else
719       refs = InterlockedIncrement(&This->refs);
720   return refs;
721 }
722
723 static ULONG WINAPI RemUnkProxy_Release(LPREMUNKNOWN iface)
724 {
725   RemUnkProxy *This = (RemUnkProxy *)iface;
726
727   TRACE("(%p)->Release()\n",This);
728   if (This->outer_unknown)
729       return IUnknown_Release(This->outer_unknown);
730   else
731       return IRpcProxyBufferImpl_Release((IRpcProxyBuffer *)&This->lpvtbl_proxy);
732 }
733
734 static HRESULT WINAPI RemUnkProxy_RemQueryInterface(LPREMUNKNOWN iface,
735                                                  REFIPID ripid,
736                                                  ULONG cRefs,
737                                                  USHORT cIids,
738                                                  IID* iids,
739                                                  REMQIRESULT** ppQIResults)
740 {
741   RemUnkProxy *This = (RemUnkProxy *)iface;
742   RPCOLEMESSAGE msg;
743   HRESULT hr = S_OK;
744   ULONG status;
745
746   TRACE("(%p)->(%s,%d,%d,%p,%p)\n",This,
747         debugstr_guid(ripid),cRefs,cIids,iids,ppQIResults);
748
749   *ppQIResults = NULL;
750   memset(&msg, 0, sizeof(msg));
751   msg.iMethod = 3;
752   msg.cbBuffer = sizeof(IPID) + sizeof(ULONG) +
753     sizeof(USHORT) + cIids*sizeof(IID);
754   hr = IRpcChannelBuffer_GetBuffer(This->chan, &msg, &IID_IRemUnknown);
755   if (SUCCEEDED(hr)) {
756     LPBYTE buf = msg.Buffer;
757     memcpy(buf, ripid, sizeof(IPID));
758     buf += sizeof(IPID);
759     memcpy(buf, &cRefs, sizeof(ULONG));
760     buf += sizeof(ULONG);
761     memcpy(buf, &cIids, sizeof(USHORT));
762     buf += sizeof(USHORT);
763     memcpy(buf, iids, cIids*sizeof(IID));
764
765     hr = IRpcChannelBuffer_SendReceive(This->chan, &msg, &status);
766
767     buf = msg.Buffer;
768
769     if (SUCCEEDED(hr)) {
770         hr = *(HRESULT *)buf;
771         buf += sizeof(HRESULT);
772     }
773
774     if (SUCCEEDED(hr)) {
775       *ppQIResults = CoTaskMemAlloc(cIids*sizeof(REMQIRESULT));
776       memcpy(*ppQIResults, buf, cIids*sizeof(REMQIRESULT));
777     }
778
779     IRpcChannelBuffer_FreeBuffer(This->chan, &msg);
780   }
781
782   return hr;
783 }
784
785 static HRESULT WINAPI RemUnkProxy_RemAddRef(LPREMUNKNOWN iface,
786                                          USHORT cInterfaceRefs,
787                                          REMINTERFACEREF* InterfaceRefs,
788                                          HRESULT* pResults)
789 {
790   RemUnkProxy *This = (RemUnkProxy *)iface;
791   RPCOLEMESSAGE msg;
792   HRESULT hr = S_OK;
793   ULONG status;
794
795   TRACE("(%p)->(%d,%p,%p)\n",This,
796         cInterfaceRefs,InterfaceRefs,pResults);
797
798   memset(&msg, 0, sizeof(msg));
799   msg.iMethod = 4;
800   msg.cbBuffer = sizeof(USHORT) + cInterfaceRefs*sizeof(REMINTERFACEREF);
801   hr = IRpcChannelBuffer_GetBuffer(This->chan, &msg, &IID_IRemUnknown);
802   if (SUCCEEDED(hr)) {
803     LPBYTE buf = msg.Buffer;
804     memcpy(buf, &cInterfaceRefs, sizeof(USHORT));
805     buf += sizeof(USHORT);
806     memcpy(buf, InterfaceRefs, cInterfaceRefs*sizeof(REMINTERFACEREF));
807
808     hr = IRpcChannelBuffer_SendReceive(This->chan, &msg, &status);
809
810     if (SUCCEEDED(hr)) {
811       buf = msg.Buffer;
812       memcpy(pResults, buf, cInterfaceRefs*sizeof(HRESULT));
813     }
814
815     IRpcChannelBuffer_FreeBuffer(This->chan, &msg);
816   }
817
818   return hr;
819 }
820
821 static HRESULT WINAPI RemUnkProxy_RemRelease(LPREMUNKNOWN iface,
822                                           USHORT cInterfaceRefs,
823                                           REMINTERFACEREF* InterfaceRefs)
824 {
825   RemUnkProxy *This = (RemUnkProxy *)iface;
826   RPCOLEMESSAGE msg;
827   HRESULT hr = S_OK;
828   ULONG status;
829
830   TRACE("(%p)->(%d,%p)\n",This,
831         cInterfaceRefs,InterfaceRefs);
832
833   memset(&msg, 0, sizeof(msg));
834   msg.iMethod = 5;
835   msg.cbBuffer = sizeof(USHORT) + cInterfaceRefs*sizeof(REMINTERFACEREF);
836   hr = IRpcChannelBuffer_GetBuffer(This->chan, &msg, &IID_IRemUnknown);
837   if (SUCCEEDED(hr)) {
838     LPBYTE buf = msg.Buffer;
839     memcpy(buf, &cInterfaceRefs, sizeof(USHORT));
840     buf += sizeof(USHORT);
841     memcpy(buf, InterfaceRefs, cInterfaceRefs*sizeof(REMINTERFACEREF));
842
843     hr = IRpcChannelBuffer_SendReceive(This->chan, &msg, &status);
844
845     IRpcChannelBuffer_FreeBuffer(This->chan, &msg);
846   }
847
848   return hr;
849 }
850
851 static const IRemUnknownVtbl RemUnkProxy_VTable =
852 {
853   RemUnkProxy_QueryInterface,
854   RemUnkProxy_AddRef,
855   RemUnkProxy_Release,
856   RemUnkProxy_RemQueryInterface,
857   RemUnkProxy_RemAddRef,
858   RemUnkProxy_RemRelease
859 };
860
861
862 static HRESULT WINAPI RURpcProxyBufferImpl_QueryInterface(LPRPCPROXYBUFFER iface,REFIID riid,LPVOID *ppv) {
863     *ppv = NULL;
864     if (IsEqualIID(riid,&IID_IRpcProxyBuffer)||IsEqualIID(riid,&IID_IUnknown)) {
865         IRpcProxyBuffer_AddRef(iface);
866         *ppv = (LPVOID)iface;
867         return S_OK;
868     }
869     FIXME("(%s), no interface.\n",debugstr_guid(riid));
870     return E_NOINTERFACE;
871 }
872
873 static ULONG WINAPI RURpcProxyBufferImpl_AddRef(LPRPCPROXYBUFFER iface) {
874     ICOM_THIS_MULTI(RemUnkProxy,lpvtbl_proxy,iface);
875     TRACE("%p, %d\n", iface, This->refs + 1);
876     return InterlockedIncrement(&This->refs);
877 }
878
879 static ULONG WINAPI RURpcProxyBufferImpl_Release(LPRPCPROXYBUFFER iface) {
880     ICOM_THIS_MULTI(RemUnkProxy,lpvtbl_proxy,iface);
881     ULONG ref = InterlockedDecrement(&This->refs);
882     TRACE("%p, %d\n", iface, ref);
883     if (!ref) {
884         IRpcProxyBuffer_Disconnect(iface);
885         HeapFree(GetProcessHeap(),0,This);
886     }
887     return ref;
888 }
889
890 static HRESULT WINAPI RURpcProxyBufferImpl_Connect(LPRPCPROXYBUFFER iface,IRpcChannelBuffer* pRpcChannelBuffer) {
891     ICOM_THIS_MULTI(RemUnkProxy,lpvtbl_proxy,iface);
892
893     TRACE("%p, %p\n", iface, pRpcChannelBuffer);
894     This->chan = pRpcChannelBuffer;
895     IRpcChannelBuffer_AddRef(This->chan);
896     return S_OK;
897 }
898 static void WINAPI RURpcProxyBufferImpl_Disconnect(LPRPCPROXYBUFFER iface) {
899     ICOM_THIS_MULTI(RemUnkProxy,lpvtbl_proxy,iface);
900     TRACE("%p, %p\n", iface, This->chan);
901     if (This->chan) {
902         IRpcChannelBuffer_Release(This->chan);
903         This->chan = NULL;
904     }
905 }
906
907
908 static const IRpcProxyBufferVtbl RURpcProxyBuffer_VTable = {
909     RURpcProxyBufferImpl_QueryInterface,
910     RURpcProxyBufferImpl_AddRef,
911     RURpcProxyBufferImpl_Release,
912     RURpcProxyBufferImpl_Connect,
913     RURpcProxyBufferImpl_Disconnect
914 };
915
916 static HRESULT
917 RemUnkProxy_Construct(IUnknown *pUnkOuter, LPVOID *ppv,LPVOID *ppProxy) {
918     RemUnkProxy *This;
919
920     This = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*This));
921     if (!This)
922         return E_OUTOFMEMORY;
923
924     This->lpvtbl_remunk = &RemUnkProxy_VTable;
925     This->lpvtbl_proxy  = &RURpcProxyBuffer_VTable;
926     /* only one reference for the proxy buffer */
927     This->refs          = 1;
928     This->outer_unknown = pUnkOuter;
929     *ppv                = &(This->lpvtbl_remunk);
930     *ppProxy            = &(This->lpvtbl_proxy);
931     /* and one reference for the object */
932     IUnknown_AddRef((IUnknown *)*ppv);
933     return S_OK;
934 }
935
936
937 /********************* OLE Proxy/Stub Factory ********************************/
938 static HRESULT WINAPI
939 PSFacBuf_QueryInterface(LPPSFACTORYBUFFER iface, REFIID iid, LPVOID *ppv) {
940     if (IsEqualIID(iid,&IID_IPSFactoryBuffer)||IsEqualIID(iid,&IID_IUnknown)) {
941         *ppv = (LPVOID)iface;
942         /* No ref counting, static class */
943         return S_OK;
944     }
945     FIXME("(%s) unknown IID?\n",debugstr_guid(iid));
946     return E_NOINTERFACE;
947 }
948
949 static ULONG WINAPI PSFacBuf_AddRef(LPPSFACTORYBUFFER iface) { return 2; }
950 static ULONG WINAPI PSFacBuf_Release(LPPSFACTORYBUFFER iface) { return 1; }
951
952 static HRESULT WINAPI
953 PSFacBuf_CreateProxy(
954     LPPSFACTORYBUFFER iface, IUnknown* pUnkOuter, REFIID riid,
955     IRpcProxyBuffer **ppProxy, LPVOID *ppv
956 ) {
957     if (IsEqualIID(&IID_IClassFactory,riid))
958         return CFProxy_Construct(pUnkOuter, ppv,(LPVOID*)ppProxy);
959     else if (IsEqualIID(&IID_IRemUnknown,riid))
960         return RemUnkProxy_Construct(pUnkOuter, ppv,(LPVOID*)ppProxy);
961     FIXME("proxying not implemented for (%s) yet!\n",debugstr_guid(riid));
962     return E_FAIL;
963 }
964
965 static HRESULT WINAPI
966 PSFacBuf_CreateStub(
967     LPPSFACTORYBUFFER iface, REFIID riid,IUnknown *pUnkServer,
968     IRpcStubBuffer** ppStub
969 ) {
970     HRESULT hres;
971
972     TRACE("(%s,%p,%p)\n",debugstr_guid(riid),pUnkServer,ppStub);
973
974     if (IsEqualIID(&IID_IClassFactory, riid) ||
975         IsEqualIID(&IID_IUnknown, riid) /* FIXME: fixup stub manager and remove this*/) {
976         hres = CFStub_Construct(ppStub);
977         if (!hres)
978             IRpcStubBuffer_Connect((*ppStub),pUnkServer);
979         return hres;
980     } else if (IsEqualIID(&IID_IRemUnknown,riid)) {
981         hres = RemUnkStub_Construct(ppStub);
982         if (!hres)
983             IRpcStubBuffer_Connect((*ppStub),pUnkServer);
984         return hres;
985     }
986     FIXME("stubbing not implemented for (%s) yet!\n",debugstr_guid(riid));
987     return E_FAIL;
988 }
989
990 static const IPSFactoryBufferVtbl psfacbufvtbl = {
991     PSFacBuf_QueryInterface,
992     PSFacBuf_AddRef,
993     PSFacBuf_Release,
994     PSFacBuf_CreateProxy,
995     PSFacBuf_CreateStub
996 };
997
998 /* This is the whole PSFactoryBuffer object, just the vtableptr */
999 static const IPSFactoryBufferVtbl *lppsfac = &psfacbufvtbl;
1000
1001 /***********************************************************************
1002  *           DllGetClassObject [OLE32.@]
1003  */
1004 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID iid,LPVOID *ppv)
1005 {
1006     *ppv = NULL;
1007     if (IsEqualIID(rclsid, &CLSID_PSFactoryBuffer))
1008         return IPSFactoryBuffer_QueryInterface((IPSFactoryBuffer *)&lppsfac, iid, ppv);
1009     if (IsEqualIID(rclsid,&CLSID_DfMarshal)&&(
1010                 IsEqualIID(iid,&IID_IClassFactory) ||
1011                 IsEqualIID(iid,&IID_IUnknown)
1012         )
1013     )
1014         return MARSHAL_GetStandardMarshalCF(ppv);
1015     if (IsEqualIID(rclsid,&CLSID_StdGlobalInterfaceTable) && (IsEqualIID(iid,&IID_IClassFactory) || IsEqualIID(iid,&IID_IUnknown)))
1016         return StdGlobalInterfaceTable_GetFactory(ppv);
1017     if (IsEqualCLSID(rclsid, &CLSID_FileMoniker))
1018         return FileMonikerCF_Create(iid, ppv);
1019     if (IsEqualCLSID(rclsid, &CLSID_ItemMoniker))
1020         return ItemMonikerCF_Create(iid, ppv);
1021     if (IsEqualCLSID(rclsid, &CLSID_AntiMoniker))
1022         return AntiMonikerCF_Create(iid, ppv);
1023     if (IsEqualCLSID(rclsid, &CLSID_CompositeMoniker))
1024         return CompositeMonikerCF_Create(iid, ppv);
1025     if (IsEqualCLSID(rclsid, &CLSID_ClassMoniker))
1026         return ClassMonikerCF_Create(iid, ppv);
1027
1028     FIXME("\n\tCLSID:\t%s,\n\tIID:\t%s\n",debugstr_guid(rclsid),debugstr_guid(iid));
1029     return CLASS_E_CLASSNOTAVAILABLE;
1030 }