4 * Copyright 2002 Marcus Meissner
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
37 #include "wine/unicode.h"
38 #include "wine/winbase16.h"
39 #include "compobj_private.h"
42 #include "wine/debug.h"
44 WINE_DEFAULT_DEBUG_CHANNEL(ole);
46 extern const CLSID CLSID_DfMarshal;
48 /* Marshaling just passes a unique identifier to the remote client,
49 * that makes it possible to find the passed interface again.
51 * So basically we need a set of values that make it unique.
53 * Process Identifier, Object IUnknown ptr, IID
55 * Note that the IUnknown_QI(ob,xiid,&ppv) always returns the SAME ppv value!
58 typedef struct _mid2unknown {
63 typedef struct _mid2stub {
69 static mid2stub *stubs = NULL;
70 static int nrofstubs = 0;
72 static mid2unknown *proxies = NULL;
73 static int nrofproxies = 0;
76 MARSHAL_Find_Stub_Server(wine_marshal_id *mid,LPUNKNOWN *punk) {
79 for (i=0;i<nrofstubs;i++) {
80 if (MARSHAL_Compare_Mids_NoInterface(mid,&(stubs[i].mid))) {
81 *punk = stubs[i].pUnkServer;
82 IUnknown_AddRef((*punk));
90 MARSHAL_Find_Stub_Buffer(wine_marshal_id *mid,IRpcStubBuffer **stub) {
93 for (i=0;i<nrofstubs;i++) {
94 if (MARSHAL_Compare_Mids(mid,&(stubs[i].mid))) {
95 *stub = stubs[i].stub;
96 IUnknown_AddRef((*stub));
104 MARSHAL_Find_Stub(wine_marshal_id *mid,LPUNKNOWN *pUnk) {
107 for (i=0;i<nrofstubs;i++) {
108 if (MARSHAL_Compare_Mids(mid,&(stubs[i].mid))) {
109 *pUnk = stubs[i].pUnkServer;
110 IUnknown_AddRef((*pUnk));
118 MARSHAL_Register_Stub(wine_marshal_id *mid,LPUNKNOWN pUnk,IRpcStubBuffer *stub) {
120 if (!MARSHAL_Find_Stub(mid,&xPunk)) {
121 FIXME("Already have entry for (%lx/%s)!\n",mid->objectid,debugstr_guid(&(mid->iid)));
125 stubs=HeapReAlloc(GetProcessHeap(),0,stubs,sizeof(stubs[0])*(nrofstubs+1));
127 stubs=HeapAlloc(GetProcessHeap(),0,sizeof(stubs[0]));
128 if (!stubs) return E_OUTOFMEMORY;
129 stubs[nrofstubs].stub = stub;
130 stubs[nrofstubs].pUnkServer = pUnk;
131 memcpy(&(stubs[nrofstubs].mid),mid,sizeof(*mid));
137 MARSHAL_Find_Proxy(wine_marshal_id *mid,LPUNKNOWN *punk) {
140 for (i=0;i<nrofproxies;i++)
141 if (MARSHAL_Compare_Mids(mid,&(proxies[i].mid))) {
142 *punk = proxies[i].pUnk;
143 IUnknown_AddRef((*punk));
150 MARSHAL_Find_Proxy_Object(wine_marshal_id *mid,LPUNKNOWN *punk) {
153 for (i=0;i<nrofproxies;i++)
154 if (MARSHAL_Compare_Mids_NoInterface(mid,&(proxies[i].mid))) {
155 *punk = proxies[i].pUnk;
156 IUnknown_AddRef((*punk));
163 MARSHAL_Register_Proxy(wine_marshal_id *mid,LPUNKNOWN punk) {
166 for (i=0;i<nrofproxies;i++) {
167 if (MARSHAL_Compare_Mids(mid,&(proxies[i].mid))) {
168 ERR("Already have mid?\n");
173 proxies = HeapReAlloc(GetProcessHeap(),0,proxies,sizeof(proxies[0])*(nrofproxies+1));
175 proxies = HeapAlloc(GetProcessHeap(),0,sizeof(proxies[0]));
176 memcpy(&(proxies[nrofproxies].mid),mid,sizeof(*mid));
177 proxies[nrofproxies].pUnk = punk;
179 IUnknown_AddRef(punk);
183 /********************** StdMarshal implementation ****************************/
184 typedef struct _StdMarshalImpl {
185 ICOM_VTABLE(IMarshal) *lpvtbl;
190 LPVOID pvDestContext;
195 StdMarshalImpl_QueryInterface(LPMARSHAL iface,REFIID riid,LPVOID *ppv) {
197 if (IsEqualIID(&IID_IUnknown,riid) || IsEqualIID(&IID_IMarshal,riid)) {
199 IUnknown_AddRef(iface);
202 FIXME("No interface for %s.\n",debugstr_guid(riid));
203 return E_NOINTERFACE;
207 StdMarshalImpl_AddRef(LPMARSHAL iface) {
208 ICOM_THIS(StdMarshalImpl,iface);
214 StdMarshalImpl_Release(LPMARSHAL iface) {
215 ICOM_THIS(StdMarshalImpl,iface);
220 HeapFree(GetProcessHeap(),0,This);
225 StdMarshalImpl_GetUnmarshalClass(
226 LPMARSHAL iface, REFIID riid, void* pv, DWORD dwDestContext,
227 void* pvDestContext, DWORD mshlflags, CLSID* pCid
229 memcpy(pCid,&CLSID_DfMarshal,sizeof(CLSID_DfMarshal));
234 StdMarshalImpl_GetMarshalSizeMax(
235 LPMARSHAL iface, REFIID riid, void* pv, DWORD dwDestContext,
236 void* pvDestContext, DWORD mshlflags, DWORD* pSize
238 *pSize = sizeof(wine_marshal_id)+sizeof(wine_marshal_data);
243 StdMarshalImpl_MarshalInterface(
244 LPMARSHAL iface, IStream *pStm,REFIID riid, void* pv, DWORD dwDestContext,
245 void* pvDestContext, DWORD mshlflags
248 wine_marshal_data md;
252 IRpcStubBuffer *stub;
253 IPSFactoryBuffer *psfacbuf;
255 TRACE("(...,%s,...)\n",debugstr_guid(riid));
256 IUnknown_QueryInterface((LPUNKNOWN)pv,&IID_IUnknown,(LPVOID*)&pUnk);
257 mid.processid = GetCurrentProcessId();
258 mid.objectid = (DWORD)pUnk; /* FIXME */
259 IUnknown_Release(pUnk);
260 memcpy(&mid.iid,riid,sizeof(mid.iid));
261 md.dwDestContext = dwDestContext;
262 md.mshlflags = mshlflags;
263 hres = IStream_Write(pStm,&mid,sizeof(mid),&res);
264 if (hres) return hres;
265 hres = IStream_Write(pStm,&md,sizeof(md),&res);
266 if (hres) return hres;
268 if (SUCCEEDED(MARSHAL_Find_Stub(&mid,&pUnk))) {
269 IUnknown_Release(pUnk);
272 hres = get_facbuf_for_iid(riid,&psfacbuf);
273 if (hres) return hres;
274 hres = IPSFactoryBuffer_CreateStub(psfacbuf,riid,pv,&stub);
275 IPSFactoryBuffer_Release(psfacbuf);
277 FIXME("Failed to create a stub for %s\n",debugstr_guid(riid));
280 IUnknown_QueryInterface((LPUNKNOWN)pv,riid,(LPVOID*)&pUnk);
281 MARSHAL_Register_Stub(&mid,pUnk,stub);
282 IUnknown_Release(pUnk);
287 StdMarshalImpl_UnmarshalInterface(
288 LPMARSHAL iface, IStream *pStm, REFIID riid, void **ppv
291 wine_marshal_data md;
294 IPSFactoryBuffer *psfacbuf;
295 IRpcProxyBuffer *rpcproxy;
296 IRpcChannelBuffer *chanbuf;
298 TRACE("(...,%s,....)\n",debugstr_guid(riid));
299 hres = IStream_Read(pStm,&mid,sizeof(mid),&res);
300 if (hres) return hres;
301 hres = IStream_Read(pStm,&md,sizeof(md),&res);
302 if (hres) return hres;
303 if (SUCCEEDED(MARSHAL_Find_Stub(&mid,(LPUNKNOWN*)ppv))) {
304 FIXME("Calling back to ourselves for %s!\n",debugstr_guid(riid));
307 hres = get_facbuf_for_iid(riid,&psfacbuf);
308 if (hres) return hres;
309 hres = IPSFactoryBuffer_CreateProxy(psfacbuf,NULL,riid,&rpcproxy,ppv);
311 FIXME("Failed to create a proxy for %s\n",debugstr_guid(riid));
314 hres = PIPE_GetNewPipeBuf(&mid,&chanbuf);
316 ERR("Failed to get an rpc channel buffer for %s\n",debugstr_guid(riid));
318 IRpcProxyBuffer_Connect(rpcproxy,chanbuf);
319 IRpcProxyBuffer_Release(rpcproxy); /* no need */
321 IPSFactoryBuffer_Release(psfacbuf);
326 StdMarshalImpl_ReleaseMarshalData(LPMARSHAL iface, IStream *pStm) {
327 FIXME("(), stub!\n");
332 StdMarshalImpl_DisconnectObject(LPMARSHAL iface, DWORD dwReserved) {
333 FIXME("(), stub!\n");
337 ICOM_VTABLE(IMarshal) stdmvtbl = {
338 ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
339 StdMarshalImpl_QueryInterface,
340 StdMarshalImpl_AddRef,
341 StdMarshalImpl_Release,
342 StdMarshalImpl_GetUnmarshalClass,
343 StdMarshalImpl_GetMarshalSizeMax,
344 StdMarshalImpl_MarshalInterface,
345 StdMarshalImpl_UnmarshalInterface,
346 StdMarshalImpl_ReleaseMarshalData,
347 StdMarshalImpl_DisconnectObject
350 /***********************************************************************
351 * CoGetStandardMarshal [OLE32.23]
353 * When the COM library in the client process receives a marshaled
354 * interface pointer, it looks for a CLSID to be used in creating a proxy
355 * for the purposes of unmarshaling the packet. If the packet does not
356 * contain a CLSID for the proxy, COM calls CoGetStandardMarshal, passing a
358 * This function creates a standard proxy in the client process and returns
359 * a pointer to that proxy's implementation of IMarshal.
360 * COM uses this pointer to call CoUnmarshalInterface to retrieve the pointer
361 * to the requested interface.
364 CoGetStandardMarshal(
365 REFIID riid,IUnknown *pUnk,DWORD dwDestContext,LPVOID pvDestContext,
366 DWORD mshlflags, LPMARSHAL *pMarshal
371 FIXME("(%s,NULL,%lx,%p,%lx,%p), unimplemented yet.\n",
372 debugstr_guid(riid),dwDestContext,pvDestContext,mshlflags,pMarshal
376 TRACE("(%s,%p,%lx,%p,%lx,%p)\n",
377 debugstr_guid(riid),pUnk,dwDestContext,pvDestContext,mshlflags,pMarshal
379 dm = (StdMarshalImpl*) *pMarshal = HeapAlloc(GetProcessHeap(),0,sizeof(StdMarshalImpl));
380 if (!dm) return E_FAIL;
381 dm->lpvtbl = &stdmvtbl;
384 memcpy(&dm->iid,riid,sizeof(dm->iid));
385 dm->dwDestContext = dwDestContext;
386 dm->pvDestContext = pvDestContext;
387 dm->mshlflags = mshlflags;
391 /* Helper function for getting Marshaler */
392 static HRESULT WINAPI
393 _GetMarshaller(REFIID riid, IUnknown *pUnk,DWORD dwDestContext,
394 void *pvDestContext, DWORD mshlFlags, LPMARSHAL *pMarshal
400 hres = IUnknown_QueryInterface(pUnk,&IID_IMarshal,(LPVOID*)pMarshal);
402 hres = CoGetStandardMarshal(riid,pUnk,dwDestContext,pvDestContext,mshlFlags,pMarshal);
406 /***********************************************************************
407 * CoGetMarshalSizeMax [OLE32.21]
410 CoGetMarshalSizeMax(ULONG *pulSize, REFIID riid, IUnknown *pUnk,
411 DWORD dwDestContext, void *pvDestContext, DWORD mshlFlags
416 hres = _GetMarshaller(riid,pUnk,dwDestContext,pvDestContext,mshlFlags,&pMarshal);
419 hres = IMarshal_GetMarshalSizeMax(pMarshal,riid,pUnk,dwDestContext,pvDestContext,mshlFlags,pulSize);
420 *pulSize += sizeof(wine_marshal_id)+sizeof(wine_marshal_data)+sizeof(CLSID);
421 IMarshal_Release(pMarshal);
426 /***********************************************************************
427 * CoMarshalInterface [OLE32.34]
430 CoMarshalInterface( IStream *pStm, REFIID riid, IUnknown *pUnk,
431 DWORD dwDestContext, void *pvDestContext, DWORD mshlflags
438 wine_marshal_data md;
442 TRACE("(%p, %s, %p, %lx, %p, %lx)\n",
443 pStm,debugstr_guid(riid),pUnk,dwDestContext,pvDestContext,mshlflags
445 STUBMGR_Start(); /* Just to be sure we have one running. */
446 mid.processid = GetCurrentProcessId();
447 IUnknown_QueryInterface(pUnk,&IID_IUnknown,(LPVOID*)&pUnknown);
448 mid.objectid = (DWORD)pUnknown;
449 IUnknown_Release(pUnknown);
450 memcpy(&mid.iid,riid,sizeof(mid.iid));
451 md.dwDestContext = dwDestContext;
452 md.mshlflags = mshlflags;
453 hres = IStream_Write(pStm,&mid,sizeof(mid),&res);
454 if (hres) return hres;
455 hres = IStream_Write(pStm,&md,sizeof(md),&res);
456 if (hres) return hres;
457 hres = _GetMarshaller(riid,pUnk,dwDestContext,pvDestContext,mshlflags,&pMarshal);
459 FIXME("Failed to get marshaller, %lx?\n",hres);
462 hres = IMarshal_GetUnmarshalClass(pMarshal,riid,pUnk,dwDestContext,pvDestContext,mshlflags,&xclsid);
464 FIXME("IMarshal:GetUnmarshalClass failed, %lx\n",hres);
465 goto release_marshal;
467 hres = IStream_Write(pStm,&xclsid,sizeof(xclsid),&writeres);
469 FIXME("Stream write failed, %lx\n",hres);
470 goto release_marshal;
472 hres = IMarshal_MarshalInterface(pMarshal,pStm,riid,pUnk,dwDestContext,pvDestContext,mshlflags);
474 if (IsEqualGUID(riid,&IID_IClassFactory)) {
475 MESSAGE("\nERROR: You need to merge the 'winedefault.reg' file into your\n");
476 MESSAGE(" Wine registry by running: `regedit winedefault.reg'\n\n");
478 if (IsEqualGUID(riid,&IID_IOleObject)) {
479 ERR("WINE currently cannot marshal IOleObject interfaces. This means you cannot embed/link OLE objects between applications.\n");
481 FIXME("Failed to marshal the interface %s, %lx?\n",debugstr_guid(riid),hres);
484 goto release_marshal;
487 IMarshal_Release(pMarshal);
492 /***********************************************************************
493 * CoUnmarshalInterface [OLE32.50]
496 CoUnmarshalInterface(IStream *pStm, REFIID riid, LPVOID *ppv) {
499 wine_marshal_data md;
505 TRACE("(%p,%s,%p)\n",pStm,debugstr_guid(riid),ppv);
507 hres = IStream_Read(pStm,&mid,sizeof(mid),&res);
509 FIXME("Stream read 1 failed, %lx, (%ld of %d)\n",hres,res,sizeof(mid));
512 hres = IStream_Read(pStm,&md,sizeof(md),&res);
514 FIXME("Stream read 2 failed, %lx, (%ld of %d)\n",hres,res,sizeof(md));
517 hres = IStream_Read(pStm,&xclsid,sizeof(xclsid),&res);
519 FIXME("Stream read 3 failed, %lx, (%ld of %d)\n",hres,res,sizeof(xclsid));
522 hres=CoCreateInstance(&xclsid,NULL,CLSCTX_INPROC_SERVER | CLSCTX_INPROC_HANDLER | CLSCTX_LOCAL_SERVER,&IID_IMarshal,(void**)&pUnk);
524 FIXME("Failed to create instance of unmarshaller %s.\n",debugstr_guid(&xclsid));
527 hres = _GetMarshaller(riid,pUnk,md.dwDestContext,NULL,md.mshlflags,&pMarshal);
529 FIXME("Failed to get unmarshaller, %lx?\n",hres);
532 hres = IMarshal_UnmarshalInterface(pMarshal,pStm,riid,ppv);
534 FIXME("Failed to Unmarshal the interface, %lx?\n",hres);
535 goto release_marshal;
538 IMarshal_Release(pMarshal);
542 /***********************************************************************
543 * CoMarshalInterThreadInterfaceInStream [OLE32.33]
545 * Marshal interfaces across threads. We don't have a thread distinction,
546 * meaning most interfaces just work across different threads, the RPC
550 CoMarshalInterThreadInterfaceInStream(
551 REFIID riid, LPUNKNOWN pUnk, LPSTREAM * ppStm
555 LARGE_INTEGER seekto;
558 TRACE("(%s, %p, %p)\n",debugstr_guid(riid), pUnk, ppStm);
559 hres = CreateStreamOnHGlobal(0, TRUE, ppStm);
560 if (hres) return hres;
561 /* CoMarshalInterface(...); */
562 hres = IStream_Write(*ppStm,&pUnk,sizeof(LPUNKNOWN),&res);
563 if (hres) return hres;
564 memset(&seekto,0,sizeof(seekto));
565 IStream_Seek(*ppStm,seekto,SEEK_SET,&xpos);
569 /***********************************************************************
570 * CoGetInterfaceAndReleaseStream [OLE32.19]
573 CoGetInterfaceAndReleaseStream(LPSTREAM pStm,REFIID riid, LPVOID *ppv) {
578 TRACE("(,%s,)\n",debugstr_guid(riid));
579 /* CoUnmarshalInterface(...); */
580 hres = IStream_Read(pStm,&pUnk,sizeof(LPUNKNOWN),&res);
581 if (hres) return hres;
582 IStream_Release(pStm);
583 return IUnknown_QueryInterface(pUnk,riid,ppv);
586 static HRESULT WINAPI
587 SMCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid, LPVOID *ppv) {
589 if (IsEqualIID(riid,&IID_IUnknown) || IsEqualIID(riid,&IID_IClassFactory)) {
590 *ppv = (LPVOID)iface;
593 return E_NOINTERFACE;
595 static ULONG WINAPI SMCF_AddRef(LPCLASSFACTORY iface) { return 2; }
596 static ULONG WINAPI SMCF_Release(LPCLASSFACTORY iface) { return 1; }
598 static HRESULT WINAPI
600 LPCLASSFACTORY iface, LPUNKNOWN pUnk, REFIID riid, LPVOID *ppv
602 if (IsEqualIID(riid,&IID_IMarshal)) {
604 dm=(StdMarshalImpl*)HeapAlloc(GetProcessHeap(),0,sizeof(StdMarshalImpl));
607 dm->lpvtbl = &stdmvtbl;
612 FIXME("(%s), not supported.\n",debugstr_guid(riid));
613 return E_NOINTERFACE;
616 static HRESULT WINAPI
617 SMCF_LockServer(LPCLASSFACTORY iface, BOOL fLock) {
618 FIXME("(%d), stub!\n",fLock);
622 static ICOM_VTABLE(IClassFactory) dfmarshalcfvtbl = {
623 ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
630 static ICOM_VTABLE(IClassFactory) *pdfmarshalcfvtbl = &dfmarshalcfvtbl;
633 MARSHAL_GetStandardMarshalCF(LPVOID *ppv) {
634 *ppv = &pdfmarshalcfvtbl;