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kernel: Better support for detached processes.
[wine/gsoc_dplay.git] / dlls / oleaut32 / tmarshal.c
blob249524a5c5c146113ec3809f802438e65e1aa607
1 /*
2 * TYPELIB Marshaler
3 *
4 * Copyright 2002,2005 Marcus Meissner
5 *
6 * The olerelay debug channel allows you to see calls marshalled by
7 * the typelib marshaller. It is not a generic COM relaying system.
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 */
23
24 #include "config.h"
25
26 #include <assert.h>
27 #include <stdlib.h>
28 #include <string.h>
29 #include <stdarg.h>
30 #include <stdio.h>
31 #include <ctype.h>
32
33 #define COBJMACROS
34 #define NONAMELESSUNION
35 #define NONAMELESSSTRUCT
36
37 #include "winerror.h"
38 #include "windef.h"
39 #include "winbase.h"
40 #include "winnls.h"
41 #include "winreg.h"
42 #include "winuser.h"
43
44 #include "ole2.h"
45 #include "typelib.h"
46 #include "variant.h"
47 #include "wine/debug.h"
48
49 static const WCHAR IDispatchW[] = { 'I','D','i','s','p','a','t','c','h',0};
50
51 WINE_DEFAULT_DEBUG_CHANNEL(ole);
52 WINE_DECLARE_DEBUG_CHANNEL(olerelay);
53
54 #define ICOM_THIS_MULTI(impl,field,iface) impl* const This=(impl*)((char*)(iface) - offsetof(impl,field))
55
56 typedef struct _marshal_state {
57 LPBYTE base;
58 int size;
59 int curoff;
60 } marshal_state;
61
62 /* used in the olerelay code to avoid having the L"" stuff added by debugstr_w */
63 static char *relaystr(WCHAR *in) {
64 char *tmp = (char *)debugstr_w(in);
65 tmp += 2;
66 tmp[strlen(tmp)-1] = '\0';
67 return tmp;
68 }
69
70 static HRESULT
71 xbuf_add(marshal_state *buf, LPBYTE stuff, DWORD size) {
72 while (buf->size - buf->curoff < size) {
73 if (buf->base) {
74 buf->size += 100;
75 buf->base = HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,buf->base,buf->size);
76 if (!buf->base)
77 return E_OUTOFMEMORY;
78 } else {
79 buf->base = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,32);
80 buf->size = 32;
81 if (!buf->base)
82 return E_OUTOFMEMORY;
83 }
84 }
85 memcpy(buf->base+buf->curoff,stuff,size);
86 buf->curoff += size;
87 return S_OK;
88 }
89
90 static HRESULT
91 xbuf_get(marshal_state *buf, LPBYTE stuff, DWORD size) {
92 if (buf->size < buf->curoff+size) return E_FAIL;
93 memcpy(stuff,buf->base+buf->curoff,size);
94 buf->curoff += size;
95 return S_OK;
96 }
97
98 static HRESULT
99 xbuf_skip(marshal_state *buf, DWORD size) {
100 if (buf->size < buf->curoff+size) return E_FAIL;
101 buf->curoff += size;
102 return S_OK;
103 }
104
105 static HRESULT
106 _unmarshal_interface(marshal_state *buf, REFIID riid, LPUNKNOWN *pUnk) {
107 IStream *pStm;
108 ULARGE_INTEGER newpos;
109 LARGE_INTEGER seekto;
110 ULONG res;
111 HRESULT hres;
112 DWORD xsize;
113
114 TRACE("...%s...\n",debugstr_guid(riid));
115
116 *pUnk = NULL;
117 hres = xbuf_get(buf,(LPBYTE)&xsize,sizeof(xsize));
118 if (hres) {
119 ERR("xbuf_get failed\n");
120 return hres;
121 }
122
123 if (xsize == 0) return S_OK;
124
125 hres = CreateStreamOnHGlobal(0,TRUE,&pStm);
126 if (hres) {
127 ERR("Stream create failed %lx\n",hres);
128 return hres;
129 }
130
131 hres = IStream_Write(pStm,buf->base+buf->curoff,xsize,&res);
132 if (hres) {
133 ERR("stream write %lx\n",hres);
134 return hres;
135 }
136
137 memset(&seekto,0,sizeof(seekto));
138 hres = IStream_Seek(pStm,seekto,SEEK_SET,&newpos);
139 if (hres) {
140 ERR("Failed Seek %lx\n",hres);
141 return hres;
142 }
143
144 hres = CoUnmarshalInterface(pStm,riid,(LPVOID*)pUnk);
145 if (hres) {
146 ERR("Unmarshalling interface %s failed with %lx\n",debugstr_guid(riid),hres);
147 return hres;
148 }
149
150 IStream_Release(pStm);
151 return xbuf_skip(buf,xsize);
152 }
153
154 static HRESULT
155 _marshal_interface(marshal_state *buf, REFIID riid, LPUNKNOWN pUnk) {
156 LPBYTE tempbuf = NULL;
157 IStream *pStm = NULL;
158 STATSTG ststg;
159 ULARGE_INTEGER newpos;
160 LARGE_INTEGER seekto;
161 ULONG res;
162 DWORD xsize;
163 HRESULT hres;
164
165 if (!pUnk) {
166 /* this is valid, if for instance we serialize
167 * a VT_DISPATCH with NULL ptr which apparently
168 * can happen. S_OK to make sure we continue
169 * serializing.
170 */
171 WARN("pUnk is NULL\n");
172 xsize = 0;
173 return xbuf_add(buf,(LPBYTE)&xsize,sizeof(xsize));
174 }
175
176 hres = E_FAIL;
177
178 TRACE("...%s...\n",debugstr_guid(riid));
179
180 hres = CreateStreamOnHGlobal(0,TRUE,&pStm);
181 if (hres) {
182 ERR("Stream create failed %lx\n",hres);
183 goto fail;
184 }
185
186 hres = CoMarshalInterface(pStm,riid,pUnk,0,NULL,0);
187 if (hres) {
188 ERR("Marshalling interface %s failed with %lx\n", debugstr_guid(riid), hres);
189 goto fail;
190 }
191
192 hres = IStream_Stat(pStm,&ststg,0);
193 if (hres) {
194 ERR("Stream stat failed\n");
195 goto fail;
196 }
197
198 tempbuf = HeapAlloc(GetProcessHeap(), 0, ststg.cbSize.u.LowPart);
199 memset(&seekto,0,sizeof(seekto));
200 hres = IStream_Seek(pStm,seekto,SEEK_SET,&newpos);
201 if (hres) {
202 ERR("Failed Seek %lx\n",hres);
203 goto fail;
204 }
205
206 hres = IStream_Read(pStm,tempbuf,ststg.cbSize.u.LowPart,&res);
207 if (hres) {
208 ERR("Failed Read %lx\n",hres);
209 goto fail;
210 }
211
212 xsize = ststg.cbSize.u.LowPart;
213 xbuf_add(buf,(LPBYTE)&xsize,sizeof(xsize));
214 hres = xbuf_add(buf,tempbuf,ststg.cbSize.u.LowPart);
215
216 HeapFree(GetProcessHeap(),0,tempbuf);
217 IStream_Release(pStm);
218
219 return hres;
220
221 fail:
222 xsize = 0;
223 xbuf_add(buf,(LPBYTE)&xsize,sizeof(xsize));
224 if (pStm) IUnknown_Release(pStm);
225 HeapFree(GetProcessHeap(), 0, tempbuf);
226 return hres;
227 }
228
229 /********************* OLE Proxy/Stub Factory ********************************/
230 static HRESULT WINAPI
231 PSFacBuf_QueryInterface(LPPSFACTORYBUFFER iface, REFIID iid, LPVOID *ppv) {
232 if (IsEqualIID(iid,&IID_IPSFactoryBuffer)||IsEqualIID(iid,&IID_IUnknown)) {
233 *ppv = (LPVOID)iface;
234 /* No ref counting, static class */
235 return S_OK;
236 }
237 FIXME("(%s) unknown IID?\n",debugstr_guid(iid));
238 return E_NOINTERFACE;
239 }
240
241 static ULONG WINAPI PSFacBuf_AddRef(LPPSFACTORYBUFFER iface) { return 2; }
242 static ULONG WINAPI PSFacBuf_Release(LPPSFACTORYBUFFER iface) { return 1; }
243
244 static HRESULT
245 _get_typeinfo_for_iid(REFIID riid, ITypeInfo**ti) {
246 HRESULT hres;
247 HKEY ikey;
248 char tlguid[200],typelibkey[300],interfacekey[300],ver[100];
249 char tlfn[260];
250 OLECHAR tlfnW[260];
251 DWORD tlguidlen, verlen, type;
252 LONG tlfnlen;
253 ITypeLib *tl;
254
255 sprintf( interfacekey, "Interface\\{%08lx-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}\\Typelib",
256 riid->Data1, riid->Data2, riid->Data3,
257 riid->Data4[0], riid->Data4[1], riid->Data4[2], riid->Data4[3],
258 riid->Data4[4], riid->Data4[5], riid->Data4[6], riid->Data4[7]
259 );
260
261 if (RegOpenKeyA(HKEY_CLASSES_ROOT,interfacekey,&ikey)) {
262 ERR("No %s key found.\n",interfacekey);
263 return E_FAIL;
264 }
265 type = (1<<REG_SZ);
266 tlguidlen = sizeof(tlguid);
267 if (RegQueryValueExA(ikey,NULL,NULL,&type,(LPBYTE)tlguid,&tlguidlen)) {
268 ERR("Getting typelib guid failed.\n");
269 RegCloseKey(ikey);
270 return E_FAIL;
271 }
272 type = (1<<REG_SZ);
273 verlen = sizeof(ver);
274 if (RegQueryValueExA(ikey,"Version",NULL,&type,(LPBYTE)ver,&verlen)) {
275 ERR("Could not get version value?\n");
276 RegCloseKey(ikey);
277 return E_FAIL;
278 }
279 RegCloseKey(ikey);
280 sprintf(typelibkey,"Typelib\\%s\\%s\\0\\win32",tlguid,ver);
281 tlfnlen = sizeof(tlfn);
282 if (RegQueryValueA(HKEY_CLASSES_ROOT,typelibkey,tlfn,&tlfnlen)) {
283 ERR("Could not get typelib fn?\n");
284 return E_FAIL;
285 }
286 MultiByteToWideChar(CP_ACP, 0, tlfn, -1, tlfnW, -1);
287 hres = LoadTypeLib(tlfnW,&tl);
288 if (hres) {
289 ERR("Failed to load typelib for %s, but it should be there.\n",debugstr_guid(riid));
290 return hres;
291 }
292 hres = ITypeLib_GetTypeInfoOfGuid(tl,riid,ti);
293 if (hres) {
294 ERR("typelib does not contain info for %s?\n",debugstr_guid(riid));
295 ITypeLib_Release(tl);
296 return hres;
297 }
298 /* FIXME: do this? ITypeLib_Release(tl); */
299 return hres;
300 }
301
302 /* Determine nr of functions. Since we use the toplevel interface and all
303 * inherited ones have lower numbers, we are ok to not to descent into
304 * the inheritance tree I think.
305 */
306 static int _nroffuncs(ITypeInfo *tinfo) {
307 int n, max = 0;
308 const FUNCDESC *fdesc;
309 HRESULT hres;
310
311 n=0;
312 while (1) {
313 hres = ITypeInfoImpl_GetInternalFuncDesc(tinfo,n,&fdesc);
314 if (hres)
315 return max+1;
316 if (fdesc->oVft/4 > max)
317 max = fdesc->oVft/4;
318 n++;
319 }
320 /*NOTREACHED*/
321 }
322
323 #ifdef __i386__
324
325 #include "pshpack1.h"
326
327 typedef struct _TMAsmProxy {
328 BYTE popleax;
329 BYTE pushlval;
330 BYTE nr;
331 BYTE pushleax;
332 BYTE lcall;
333 DWORD xcall;
334 BYTE lret;
335 WORD bytestopop;
336 } TMAsmProxy;
337
338 #include "poppack.h"
339
340 #else /* __i386__ */
341 # warning You need to implement stubless proxies for your architecture
342 typedef struct _TMAsmProxy {
343 } TMAsmProxy;
344 #endif
345
346 typedef struct _TMProxyImpl {
347 LPVOID *lpvtbl;
348 const IRpcProxyBufferVtbl *lpvtbl2;
349 LONG ref;
350
351 TMAsmProxy *asmstubs;
352 ITypeInfo* tinfo;
353 IRpcChannelBuffer* chanbuf;
354 IID iid;
355 CRITICAL_SECTION crit;
356 IUnknown *outerunknown;
357 IDispatch *dispatch;
358 IRpcProxyBuffer *dispatch_proxy;
359 } TMProxyImpl;
360
361 static HRESULT WINAPI
362 TMProxyImpl_QueryInterface(LPRPCPROXYBUFFER iface, REFIID riid, LPVOID *ppv)
363 {
364 TRACE("()\n");
365 if (IsEqualIID(riid,&IID_IUnknown)||IsEqualIID(riid,&IID_IRpcProxyBuffer)) {
366 *ppv = (LPVOID)iface;
367 IRpcProxyBuffer_AddRef(iface);
368 return S_OK;
369 }
370 FIXME("no interface for %s\n",debugstr_guid(riid));
371 return E_NOINTERFACE;
372 }
373
374 static ULONG WINAPI
375 TMProxyImpl_AddRef(LPRPCPROXYBUFFER iface)
376 {
377 ICOM_THIS_MULTI(TMProxyImpl,lpvtbl2,iface);
378 ULONG refCount = InterlockedIncrement(&This->ref);
379
380 TRACE("(%p)->(ref before=%lu)\n",This, refCount - 1);
381
382 return refCount;
383 }
384
385 static ULONG WINAPI
386 TMProxyImpl_Release(LPRPCPROXYBUFFER iface)
387 {
388 ICOM_THIS_MULTI(TMProxyImpl,lpvtbl2,iface);
389 ULONG refCount = InterlockedDecrement(&This->ref);
390
391 TRACE("(%p)->(ref before=%lu)\n",This, refCount + 1);
392
393 if (!refCount)
394 {
395 if (This->dispatch_proxy) IRpcProxyBuffer_Release(This->dispatch_proxy);
396 DeleteCriticalSection(&This->crit);
397 if (This->chanbuf) IRpcChannelBuffer_Release(This->chanbuf);
398 VirtualFree(This->asmstubs, 0, MEM_RELEASE);
399 CoTaskMemFree(This);
400 }
401 return refCount;
402 }
403
404 static HRESULT WINAPI
405 TMProxyImpl_Connect(
406 LPRPCPROXYBUFFER iface,IRpcChannelBuffer* pRpcChannelBuffer)
407 {
408 ICOM_THIS_MULTI(TMProxyImpl, lpvtbl2, iface);
409
410 TRACE("(%p)\n", pRpcChannelBuffer);
411
412 EnterCriticalSection(&This->crit);
413
414 IRpcChannelBuffer_AddRef(pRpcChannelBuffer);
415 This->chanbuf = pRpcChannelBuffer;
416
417 LeaveCriticalSection(&This->crit);
418
419 if (This->dispatch_proxy)
420 IRpcProxyBuffer_Connect(This->dispatch_proxy, pRpcChannelBuffer);
421
422 return S_OK;
423 }
424
425 static void WINAPI
426 TMProxyImpl_Disconnect(LPRPCPROXYBUFFER iface)
427 {
428 ICOM_THIS_MULTI(TMProxyImpl, lpvtbl2, iface);
429
430 TRACE("()\n");
431
432 EnterCriticalSection(&This->crit);
433
434 IRpcChannelBuffer_Release(This->chanbuf);
435 This->chanbuf = NULL;
436
437 LeaveCriticalSection(&This->crit);
438
439 if (This->dispatch_proxy)
440 IRpcProxyBuffer_Disconnect(This->dispatch_proxy);
441 }
442
443
444 static const IRpcProxyBufferVtbl tmproxyvtable = {
445 TMProxyImpl_QueryInterface,
446 TMProxyImpl_AddRef,
447 TMProxyImpl_Release,
448 TMProxyImpl_Connect,
449 TMProxyImpl_Disconnect
450 };
451
452 /* how much space do we use on stack in DWORD steps. */
453 int
454 _argsize(DWORD vt) {
455 switch (vt) {
456 case VT_UI8:
457 return 8/sizeof(DWORD);
458 case VT_R8:
459 return sizeof(double)/sizeof(DWORD);
460 case VT_CY:
461 return sizeof(CY)/sizeof(DWORD);
462 case VT_DATE:
463 return sizeof(DATE)/sizeof(DWORD);
464 case VT_VARIANT:
465 return (sizeof(VARIANT)+3)/sizeof(DWORD);
466 default:
467 return 1;
468 }
469 }
470
471 static int
472 _xsize(TYPEDESC *td) {
473 switch (td->vt) {
474 case VT_DATE:
475 return sizeof(DATE);
476 case VT_VARIANT:
477 return sizeof(VARIANT)+3;
478 case VT_CARRAY: {
479 int i, arrsize = 1;
480 ARRAYDESC *adesc = td->u.lpadesc;
481
482 for (i=0;i<adesc->cDims;i++)
483 arrsize *= adesc->rgbounds[i].cElements;
484 return arrsize*_xsize(&adesc->tdescElem);
485 }
486 case VT_UI8:
487 case VT_I8:
488 return 8;
489 case VT_UI2:
490 case VT_I2:
491 return 2;
492 case VT_UI1:
493 case VT_I1:
494 return 1;
495 default:
496 return 4;
497 }
498 }
499
500 static HRESULT
501 serialize_param(
502 ITypeInfo *tinfo,
503 BOOL writeit,
504 BOOL debugout,
505 BOOL dealloc,
506 TYPEDESC *tdesc,
507 DWORD *arg,
508 marshal_state *buf)
509 {
510 HRESULT hres = S_OK;
511
512 TRACE("(tdesc.vt %s)\n",debugstr_vt(tdesc->vt));
513
514 switch (tdesc->vt) {
515 case VT_EMPTY: /* nothing. empty variant for instance */
516 return S_OK;
517 case VT_I8:
518 case VT_UI8:
519 case VT_CY:
520 hres = S_OK;
521 if (debugout) TRACE_(olerelay)("%lx%lx",arg[0],arg[1]);
522 if (writeit)
523 hres = xbuf_add(buf,(LPBYTE)arg,8);
524 return hres;
525 case VT_BOOL:
526 case VT_ERROR:
527 case VT_INT:
528 case VT_UINT:
529 case VT_I4:
530 case VT_R4:
531 case VT_UI4:
532 hres = S_OK;
533 if (debugout) TRACE_(olerelay)("%lx",*arg);
534 if (writeit)
535 hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
536 return hres;
537 case VT_I2:
538 case VT_UI2:
539 hres = S_OK;
540 if (debugout) TRACE_(olerelay)("%04lx",*arg & 0xffff);
541 if (writeit)
542 hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
543 return hres;
544 case VT_I1:
545 case VT_UI1:
546 hres = S_OK;
547 if (debugout) TRACE_(olerelay)("%02lx",*arg & 0xff);
548 if (writeit)
549 hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
550 return hres;
551 case VT_I4|VT_BYREF:
552 hres = S_OK;
553 if (debugout) TRACE_(olerelay)("&0x%lx",*arg);
554 if (writeit)
555 hres = xbuf_add(buf,(LPBYTE)(DWORD*)*arg,sizeof(DWORD));
556 /* do not dealloc at this time */
557 return hres;
558 case VT_VARIANT: {
559 TYPEDESC tdesc2;
560 VARIANT *vt = (VARIANT*)arg;
561 DWORD vttype = V_VT(vt);
562
563 if (debugout) TRACE_(olerelay)("Vt(%s%s)(",debugstr_vt(vttype),debugstr_vf(vttype));
564 tdesc2.vt = vttype;
565 if (writeit) {
566 hres = xbuf_add(buf,(LPBYTE)&vttype,sizeof(vttype));
567 if (hres) return hres;
568 }
569 /* need to recurse since we need to free the stuff */
570 hres = serialize_param(tinfo,writeit,debugout,dealloc,&tdesc2,(DWORD*)&(V_I4(vt)),buf);
571 if (debugout) TRACE_(olerelay)(")");
572 return hres;
573 }
574 case VT_BSTR|VT_BYREF: {
575 if (debugout) TRACE_(olerelay)("[byref]'%s'", *(BSTR*)*arg ? relaystr(*((BSTR*)*arg)) : "<bstr NULL>");
576 if (writeit) {
577 /* ptr to ptr to magic widestring, basically */
578 BSTR *bstr = (BSTR *) *arg;
579 DWORD len;
580 if (!*bstr) {
581 /* -1 means "null string" which is equivalent to empty string */
582 len = -1;
583 hres = xbuf_add(buf, (LPBYTE)&len,sizeof(DWORD));
584 if (hres) return hres;
585 } else {
586 len = *((DWORD*)*bstr-1)/sizeof(WCHAR);
587 hres = xbuf_add(buf,(LPBYTE)&len,sizeof(DWORD));
588 if (hres) return hres;
589 hres = xbuf_add(buf,(LPBYTE)*bstr,len * sizeof(WCHAR));
590 if (hres) return hres;
591 }
592 }
593
594 if (dealloc && arg) {
595 BSTR *str = *((BSTR **)arg);
596 SysFreeString(*str);
597 }
598 return S_OK;
599 }
600
601 case VT_BSTR: {
602 if (debugout) {
603 if (*arg)
604 TRACE_(olerelay)("%s",relaystr((WCHAR*)*arg));
605 else
606 TRACE_(olerelay)("<bstr NULL>");
607 }
608 if (writeit) {
609 BSTR bstr = (BSTR)*arg;
610 DWORD len;
611 if (!bstr) {
612 len = -1;
613 hres = xbuf_add(buf,(LPBYTE)&len,sizeof(DWORD));
614 if (hres) return hres;
615 } else {
616 len = *((DWORD*)bstr-1)/sizeof(WCHAR);
617 hres = xbuf_add(buf,(LPBYTE)&len,sizeof(DWORD));
618 if (hres) return hres;
619 hres = xbuf_add(buf,(LPBYTE)bstr,len * sizeof(WCHAR));
620 if (hres) return hres;
621 }
622 }
623
624 if (dealloc && arg)
625 SysFreeString((BSTR)*arg);
626 return S_OK;
627 }
628 case VT_PTR: {
629 DWORD cookie;
630 BOOL derefhere = TRUE;
631
632 if (tdesc->u.lptdesc->vt == VT_USERDEFINED) {
633 ITypeInfo *tinfo2;
634 TYPEATTR *tattr;
635
636 hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.lptdesc->u.hreftype,&tinfo2);
637 if (hres) {
638 ERR("Could not get typeinfo of hreftype %lx for VT_USERDEFINED.\n",tdesc->u.lptdesc->u.hreftype);
639 return hres;
640 }
641 ITypeInfo_GetTypeAttr(tinfo2,&tattr);
642 switch (tattr->typekind) {
643 case TKIND_ENUM: /* confirmed */
644 case TKIND_RECORD: /* FIXME: mostly untested */
645 derefhere=TRUE;
646 break;
647 case TKIND_ALIAS: /* FIXME: untested */
648 case TKIND_DISPATCH: /* will be done in VT_USERDEFINED case */
649 case TKIND_INTERFACE: /* will be done in VT_USERDEFINED case */
650 derefhere=FALSE;
651 break;
652 default:
653 FIXME("unhandled switch cases tattr->typekind %d\n", tattr->typekind);
654 derefhere=FALSE;
655 break;
656 }
657 ITypeInfo_Release(tinfo2);
658 }
659
660 if (debugout) TRACE_(olerelay)("*");
661 /* Write always, so the other side knows when it gets a NULL pointer.
662 */
663 cookie = *arg ? 0x42424242 : 0;
664 hres = xbuf_add(buf,(LPBYTE)&cookie,sizeof(cookie));
665 if (hres)
666 return hres;
667 if (!*arg) {
668 if (debugout) TRACE_(olerelay)("NULL");
669 return S_OK;
670 }
671 hres = serialize_param(tinfo,writeit,debugout,dealloc,tdesc->u.lptdesc,(DWORD*)*arg,buf);
672 if (derefhere && dealloc) HeapFree(GetProcessHeap(),0,(LPVOID)*arg);
673 return hres;
674 }
675 case VT_UNKNOWN:
676 if (debugout) TRACE_(olerelay)("unk(0x%lx)",*arg);
677 if (writeit)
678 hres = _marshal_interface(buf,&IID_IUnknown,(LPUNKNOWN)*arg);
679 if (dealloc && *(IUnknown **)arg)
680 IUnknown_Release((LPUNKNOWN)*arg);
681 return hres;
682 case VT_DISPATCH:
683 if (debugout) TRACE_(olerelay)("idisp(0x%lx)",*arg);
684 if (writeit)
685 hres = _marshal_interface(buf,&IID_IDispatch,(LPUNKNOWN)*arg);
686 if (dealloc && *(IUnknown **)arg)
687 IUnknown_Release((LPUNKNOWN)*arg);
688 return hres;
689 case VT_VOID:
690 if (debugout) TRACE_(olerelay)("<void>");
691 return S_OK;
692 case VT_USERDEFINED: {
693 ITypeInfo *tinfo2;
694 TYPEATTR *tattr;
695
696 hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.hreftype,&tinfo2);
697 if (hres) {
698 ERR("Could not get typeinfo of hreftype %lx for VT_USERDEFINED.\n",tdesc->u.hreftype);
699 return hres;
700 }
701 ITypeInfo_GetTypeAttr(tinfo2,&tattr);
702 switch (tattr->typekind) {
703 case TKIND_DISPATCH:
704 case TKIND_INTERFACE:
705 if (writeit)
706 hres=_marshal_interface(buf,&(tattr->guid),(LPUNKNOWN)arg);
707 if (dealloc)
708 IUnknown_Release((LPUNKNOWN)arg);
709 break;
710 case TKIND_RECORD: {
711 int i;
712 if (debugout) TRACE_(olerelay)("{");
713 for (i=0;i<tattr->cVars;i++) {
714 VARDESC *vdesc;
715 ELEMDESC *elem2;
716 TYPEDESC *tdesc2;
717
718 hres = ITypeInfo2_GetVarDesc(tinfo2, i, &vdesc);
719 if (hres) {
720 ERR("Could not get vardesc of %d\n",i);
721 return hres;
722 }
723 /* Need them for hack below */
724 /*
725 memset(names,0,sizeof(names));
726 hres = ITypeInfo_GetNames(tinfo2,vdesc->memid,names,sizeof(names)/sizeof(names[0]),&nrofnames);
727 if (nrofnames > sizeof(names)/sizeof(names[0])) {
728 ERR("Need more names!\n");
729 }
730 if (!hres && debugout)
731 TRACE_(olerelay)("%s=",relaystr(names[0]));
732 */
733 elem2 = &vdesc->elemdescVar;
734 tdesc2 = &elem2->tdesc;
735 hres = serialize_param(
736 tinfo2,
737 writeit,
738 debugout,
739 dealloc,
740 tdesc2,
741 (DWORD*)(((LPBYTE)arg)+vdesc->u.oInst),
742 buf
743 );
744 ITypeInfo_ReleaseVarDesc(tinfo2, vdesc);
745 if (hres!=S_OK)
746 return hres;
747 if (debugout && (i<(tattr->cVars-1)))
748 TRACE_(olerelay)(",");
749 }
750 if (debugout) TRACE_(olerelay)("}");
751 break;
752 }
753 case TKIND_ALIAS:
754 return serialize_param(tinfo2,writeit,debugout,dealloc,&tattr->tdescAlias,arg,buf);
755 case TKIND_ENUM:
756 hres = S_OK;
757 if (debugout) TRACE_(olerelay)("%lx",*arg);
758 if (writeit)
759 hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
760 return hres;
761 default:
762 FIXME("Unhandled typekind %d\n",tattr->typekind);
763 hres = E_FAIL;
764 break;
765 }
766 ITypeInfo_Release(tinfo2);
767 return hres;
768 }
769 case VT_CARRAY: {
770 ARRAYDESC *adesc = tdesc->u.lpadesc;
771 int i, arrsize = 1;
772
773 if (debugout) TRACE_(olerelay)("carr");
774 for (i=0;i<adesc->cDims;i++) {
775 if (debugout) TRACE_(olerelay)("[%ld]",adesc->rgbounds[i].cElements);
776 arrsize *= adesc->rgbounds[i].cElements;
777 }
778 if (debugout) TRACE_(olerelay)("(vt %s)",debugstr_vt(adesc->tdescElem.vt));
779 if (debugout) TRACE_(olerelay)("[");
780 for (i=0;i<arrsize;i++) {
781 hres = serialize_param(tinfo, writeit, debugout, dealloc, &adesc->tdescElem, (DWORD*)((LPBYTE)arg+i*_xsize(&adesc->tdescElem)), buf);
782 if (hres)
783 return hres;
784 if (debugout && (i<arrsize-1)) TRACE_(olerelay)(",");
785 }
786 if (debugout) TRACE_(olerelay)("]");
787 return S_OK;
788 }
789 default:
790 ERR("Unhandled marshal type %d.\n",tdesc->vt);
791 return S_OK;
792 }
793 }
794
795 static HRESULT
796 deserialize_param(
797 ITypeInfo *tinfo,
798 BOOL readit,
799 BOOL debugout,
800 BOOL alloc,
801 TYPEDESC *tdesc,
802 DWORD *arg,
803 marshal_state *buf)
804 {
805 HRESULT hres = S_OK;
806
807 TRACE("vt %s at %p\n",debugstr_vt(tdesc->vt),arg);
808
809 while (1) {
810 switch (tdesc->vt) {
811 case VT_EMPTY:
812 if (debugout) TRACE_(olerelay)("<empty>");
813 return S_OK;
814 case VT_NULL:
815 if (debugout) TRACE_(olerelay)("<null>");
816 return S_OK;
817 case VT_VARIANT: {
818 VARIANT *vt = (VARIANT*)arg;
819
820 if (readit) {
821 DWORD vttype;
822 TYPEDESC tdesc2;
823 hres = xbuf_get(buf,(LPBYTE)&vttype,sizeof(vttype));
824 if (hres) {
825 FIXME("vt type not read?\n");
826 return hres;
827 }
828 memset(&tdesc2,0,sizeof(tdesc2));
829 tdesc2.vt = vttype;
830 V_VT(vt) = vttype;
831 if (debugout) TRACE_(olerelay)("Vt(%s%s)(",debugstr_vt(vttype),debugstr_vf(vttype));
832 hres = deserialize_param(tinfo, readit, debugout, alloc, &tdesc2, (DWORD*)&(V_I4(vt)), buf);
833 TRACE_(olerelay)(")");
834 return hres;
835 } else {
836 VariantInit(vt);
837 return S_OK;
838 }
839 }
840 case VT_I8:
841 case VT_UI8:
842 case VT_CY:
843 if (readit) {
844 hres = xbuf_get(buf,(LPBYTE)arg,8);
845 if (hres) ERR("Failed to read integer 8 byte\n");
846 }
847 if (debugout) TRACE_(olerelay)("%lx%lx",arg[0],arg[1]);
848 return hres;
849 case VT_ERROR:
850 case VT_BOOL:
851 case VT_I4:
852 case VT_INT:
853 case VT_UINT:
854 case VT_R4:
855 case VT_UI4:
856 if (readit) {
857 hres = xbuf_get(buf,(LPBYTE)arg,sizeof(DWORD));
858 if (hres) ERR("Failed to read integer 4 byte\n");
859 }
860 if (debugout) TRACE_(olerelay)("%lx",*arg);
861 return hres;
862 case VT_I2:
863 case VT_UI2:
864 if (readit) {
865 DWORD x;
866 hres = xbuf_get(buf,(LPBYTE)&x,sizeof(DWORD));
867 if (hres) ERR("Failed to read integer 4 byte\n");
868 memcpy(arg,&x,2);
869 }
870 if (debugout) TRACE_(olerelay)("%04lx",*arg & 0xffff);
871 return hres;
872 case VT_I1:
873 case VT_UI1:
874 if (readit) {
875 DWORD x;
876 hres = xbuf_get(buf,(LPBYTE)&x,sizeof(DWORD));
877 if (hres) ERR("Failed to read integer 4 byte\n");
878 memcpy(arg,&x,1);
879 }
880 if (debugout) TRACE_(olerelay)("%02lx",*arg & 0xff);
881 return hres;
882 case VT_I4|VT_BYREF:
883 hres = S_OK;
884 if (alloc)
885 *arg = (DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(DWORD));
886 if (readit) {
887 hres = xbuf_get(buf,(LPBYTE)*arg,sizeof(DWORD));
888 if (hres) ERR("Failed to read integer 4 byte\n");
889 }
890 if (debugout) TRACE_(olerelay)("&0x%lx",*(DWORD*)*arg);
891 return hres;
892 case VT_BSTR|VT_BYREF: {
893 BSTR **bstr = (BSTR **)arg;
894 WCHAR *str;
895 DWORD len;
896
897 if (readit) {
898 hres = xbuf_get(buf,(LPBYTE)&len,sizeof(DWORD));
899 if (hres) {
900 ERR("failed to read bstr klen\n");
901 return hres;
902 }
903 if (len == -1) {
904 *bstr = CoTaskMemAlloc(sizeof(BSTR *));
905 **bstr = NULL;
906 if (debugout) TRACE_(olerelay)("<bstr NULL>");
907 } else {
908 str = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,(len+1)*sizeof(WCHAR));
909 hres = xbuf_get(buf,(LPBYTE)str,len*sizeof(WCHAR));
910 if (hres) {
911 ERR("Failed to read BSTR.\n");
912 return hres;
913 }
914 *bstr = CoTaskMemAlloc(sizeof(BSTR *));
915 **bstr = SysAllocStringLen(str,len);
916 if (debugout) TRACE_(olerelay)("%s",relaystr(str));
917 HeapFree(GetProcessHeap(),0,str);
918 }
919 } else {
920 *bstr = NULL;
921 }
922 return S_OK;
923 }
924 case VT_BSTR: {
925 WCHAR *str;
926 DWORD len;
927
928 if (readit) {
929 hres = xbuf_get(buf,(LPBYTE)&len,sizeof(DWORD));
930 if (hres) {
931 ERR("failed to read bstr klen\n");
932 return hres;
933 }
934 if (len == -1) {
935 *arg = 0;
936 if (debugout) TRACE_(olerelay)("<bstr NULL>");
937 } else {
938 str = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,(len+1)*sizeof(WCHAR));
939 hres = xbuf_get(buf,(LPBYTE)str,len*sizeof(WCHAR));
940 if (hres) {
941 ERR("Failed to read BSTR.\n");
942 return hres;
943 }
944 *arg = (DWORD)SysAllocStringLen(str,len);
945 if (debugout) TRACE_(olerelay)("%s",relaystr(str));
946 HeapFree(GetProcessHeap(),0,str);
947 }
948 } else {
949 *arg = 0;
950 }
951 return S_OK;
952 }
953 case VT_PTR: {
954 DWORD cookie;
955 BOOL derefhere = TRUE;
956
957 if (tdesc->u.lptdesc->vt == VT_USERDEFINED) {
958 ITypeInfo *tinfo2;
959 TYPEATTR *tattr;
960
961 hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.lptdesc->u.hreftype,&tinfo2);
962 if (hres) {
963 ERR("Could not get typeinfo of hreftype %lx for VT_USERDEFINED.\n",tdesc->u.lptdesc->u.hreftype);
964 return hres;
965 }
966 ITypeInfo_GetTypeAttr(tinfo2,&tattr);
967 switch (tattr->typekind) {
968 case TKIND_ENUM: /* confirmed */
969 case TKIND_RECORD: /* FIXME: mostly untested */
970 derefhere=TRUE;
971 break;
972 case TKIND_ALIAS: /* FIXME: untested */
973 case TKIND_DISPATCH: /* will be done in VT_USERDEFINED case */
974 case TKIND_INTERFACE: /* will be done in VT_USERDEFINED case */
975 derefhere=FALSE;
976 break;
977 default:
978 FIXME("unhandled switch cases tattr->typekind %d\n", tattr->typekind);
979 derefhere=FALSE;
980 break;
981 }
982 ITypeInfo_Release(tinfo2);
983 }
984 /* read it in all cases, we need to know if we have
985 * NULL pointer or not.
986 */
987 hres = xbuf_get(buf,(LPBYTE)&cookie,sizeof(cookie));
988 if (hres) {
989 ERR("Failed to load pointer cookie.\n");
990 return hres;
991 }
992 if (cookie != 0x42424242) {
993 /* we read a NULL ptr from the remote side */
994 if (debugout) TRACE_(olerelay)("NULL");
995 *arg = 0;
996 return S_OK;
997 }
998 if (debugout) TRACE_(olerelay)("*");
999 if (alloc) {
1000 /* Allocate space for the referenced struct */
1001 if (derefhere)
1002 *arg=(DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,_xsize(tdesc->u.lptdesc));
1003 }
1004 if (derefhere)
1005 return deserialize_param(tinfo, readit, debugout, alloc, tdesc->u.lptdesc, (LPDWORD)*arg, buf);
1006 else
1007 return deserialize_param(tinfo, readit, debugout, alloc, tdesc->u.lptdesc, arg, buf);
1008 }
1009 case VT_UNKNOWN:
1010 /* FIXME: UNKNOWN is unknown ..., but allocate 4 byte for it */
1011 if (alloc)
1012 *arg=(DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(DWORD));
1013 hres = S_OK;
1014 if (readit)
1015 hres = _unmarshal_interface(buf,&IID_IUnknown,(LPUNKNOWN*)arg);
1016 if (debugout)
1017 TRACE_(olerelay)("unk(%p)",arg);
1018 return hres;
1019 case VT_DISPATCH:
1020 hres = S_OK;
1021 if (readit)
1022 hres = _unmarshal_interface(buf,&IID_IDispatch,(LPUNKNOWN*)arg);
1023 if (debugout)
1024 TRACE_(olerelay)("idisp(%p)",arg);
1025 return hres;
1026 case VT_VOID:
1027 if (debugout) TRACE_(olerelay)("<void>");
1028 return S_OK;
1029 case VT_USERDEFINED: {
1030 ITypeInfo *tinfo2;
1031 TYPEATTR *tattr;
1032
1033 hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.hreftype,&tinfo2);
1034 if (hres) {
1035 ERR("Could not get typeinfo of hreftype %lx for VT_USERDEFINED.\n",tdesc->u.hreftype);
1036 return hres;
1037 }
1038 hres = ITypeInfo_GetTypeAttr(tinfo2,&tattr);
1039 if (hres) {
1040 ERR("Could not get typeattr in VT_USERDEFINED.\n");
1041 } else {
1042 switch (tattr->typekind) {
1043 case TKIND_DISPATCH:
1044 case TKIND_INTERFACE:
1045 if (readit)
1046 hres = _unmarshal_interface(buf,&(tattr->guid),(LPUNKNOWN*)arg);
1047 break;
1048 case TKIND_RECORD: {
1049 int i;
1050
1051 if (alloc)
1052 *arg = (DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,tattr->cbSizeInstance);
1053
1054 if (debugout) TRACE_(olerelay)("{");
1055 for (i=0;i<tattr->cVars;i++) {
1056 VARDESC *vdesc;
1057
1058 hres = ITypeInfo2_GetVarDesc(tinfo2, i, &vdesc);
1059 if (hres) {
1060 ERR("Could not get vardesc of %d\n",i);
1061 return hres;
1062 }
1063 hres = deserialize_param(
1064 tinfo2,
1065 readit,
1066 debugout,
1067 alloc,
1068 &vdesc->elemdescVar.tdesc,
1069 (DWORD*)(((LPBYTE)*arg)+vdesc->u.oInst),
1070 buf
1071 );
1072 ITypeInfo2_ReleaseVarDesc(tinfo2, vdesc);
1073 if (debugout && (i<tattr->cVars-1)) TRACE_(olerelay)(",");
1074 }
1075 if (debugout) TRACE_(olerelay)("}");
1076 break;
1077 }
1078 case TKIND_ALIAS:
1079 return deserialize_param(tinfo2,readit,debugout,alloc,&tattr->tdescAlias,arg,buf);
1080 case TKIND_ENUM:
1081 if (readit) {
1082 hres = xbuf_get(buf,(LPBYTE)arg,sizeof(DWORD));
1083 if (hres) ERR("Failed to read enum (4 byte)\n");
1084 }
1085 if (debugout) TRACE_(olerelay)("%lx",*arg);
1086 return hres;
1087 default:
1088 ERR("Unhandled typekind %d\n",tattr->typekind);
1089 hres = E_FAIL;
1090 break;
1091 }
1092 }
1093 if (hres)
1094 ERR("failed to stuballoc in TKIND_RECORD.\n");
1095 ITypeInfo_Release(tinfo2);
1096 return hres;
1097 }
1098 case VT_CARRAY: {
1099 /* arg is pointing to the start of the array. */
1100 ARRAYDESC *adesc = tdesc->u.lpadesc;
1101 int arrsize,i;
1102 arrsize = 1;
1103 if (adesc->cDims > 1) FIXME("cDims > 1 in VT_CARRAY. Does it work?\n");
1104 for (i=0;i<adesc->cDims;i++)
1105 arrsize *= adesc->rgbounds[i].cElements;
1106 for (i=0;i<arrsize;i++)
1107 deserialize_param(
1108 tinfo,
1109 readit,
1110 debugout,
1111 alloc,
1112 &adesc->tdescElem,
1113 (DWORD*)((LPBYTE)(arg)+i*_xsize(&adesc->tdescElem)),
1114 buf
1115 );
1116 return S_OK;
1117 }
1118 default:
1119 ERR("No handler for VT type %d!\n",tdesc->vt);
1120 return S_OK;
1121 }
1122 }
1123 }
1124
1125 /* Searches function, also in inherited interfaces */
1126 static HRESULT
1127 _get_funcdesc(
1128 ITypeInfo *tinfo, int iMethod, ITypeInfo **tactual, const FUNCDESC **fdesc, BSTR *iname, BSTR *fname)
1129 {
1130 int i = 0, j = 0;
1131 HRESULT hres;
1132
1133 if (fname) *fname = NULL;
1134 if (iname) *iname = NULL;
1135
1136 *tactual = tinfo;
1137 ITypeInfo_AddRef(*tactual);
1138
1139 while (1) {
1140 hres = ITypeInfoImpl_GetInternalFuncDesc(tinfo, i, fdesc);
1141
1142 if (hres) {
1143 ITypeInfo *tinfo2;
1144 HREFTYPE href;
1145 TYPEATTR *attr;
1146
1147 hres = ITypeInfo_GetTypeAttr(tinfo, &attr);
1148 if (hres) {
1149 ERR("GetTypeAttr failed with %lx\n",hres);
1150 return hres;
1151 }
1152 /* Not found, so look in inherited ifaces. */
1153 for (j=0;j<attr->cImplTypes;j++) {
1154 hres = ITypeInfo_GetRefTypeOfImplType(tinfo, j, &href);
1155 if (hres) {
1156 ERR("Did not find a reftype for interface offset %d?\n",j);
1157 break;
1158 }
1159 hres = ITypeInfo_GetRefTypeInfo(tinfo, href, &tinfo2);
1160 if (hres) {
1161 ERR("Did not find a typeinfo for reftype %ld?\n",href);
1162 continue;
1163 }
1164 hres = _get_funcdesc(tinfo2,iMethod,tactual,fdesc,iname,fname);
1165 ITypeInfo_Release(tinfo2);
1166 if (!hres) return S_OK;
1167 }
1168 return hres;
1169 }
1170 if (((*fdesc)->oVft/4) == iMethod) {
1171 if (fname)
1172 ITypeInfo_GetDocumentation(tinfo,(*fdesc)->memid,fname,NULL,NULL,NULL);
1173 if (iname)
1174 ITypeInfo_GetDocumentation(tinfo,-1,iname,NULL,NULL,NULL);
1175 return S_OK;
1176 }
1177 i++;
1178 }
1179 }
1180
1181 static DWORD
1182 xCall(LPVOID retptr, int method, TMProxyImpl *tpinfo /*, args */)
1183 {
1184 DWORD *args = ((DWORD*)&tpinfo)+1, *xargs;
1185 const FUNCDESC *fdesc;
1186 HRESULT hres;
1187 int i, relaydeb = TRACE_ON(olerelay);
1188 marshal_state buf;
1189 RPCOLEMESSAGE msg;
1190 ULONG status;
1191 BSTR fname,iname;
1192 BSTR names[10];
1193 UINT nrofnames;
1194 DWORD remoteresult = 0;
1195 ITypeInfo *tinfo;
1196 IRpcChannelBuffer *chanbuf;
1197
1198 EnterCriticalSection(&tpinfo->crit);
1199
1200 hres = _get_funcdesc(tpinfo->tinfo,method,&tinfo,&fdesc,&iname,&fname);
1201 if (hres) {
1202 ERR("Did not find typeinfo/funcdesc entry for method %d!\n",method);
1203 ITypeInfo_Release(tinfo);
1204 LeaveCriticalSection(&tpinfo->crit);
1205 return E_FAIL;
1206 }
1207
1208 if (!tpinfo->chanbuf)
1209 {
1210 WARN("Tried to use disconnected proxy\n");
1211 ITypeInfo_Release(tinfo);
1212 LeaveCriticalSection(&tpinfo->crit);
1213 return RPC_E_DISCONNECTED;
1214 }
1215 chanbuf = tpinfo->chanbuf;
1216 IRpcChannelBuffer_AddRef(chanbuf);
1217
1218 LeaveCriticalSection(&tpinfo->crit);
1219
1220 if (relaydeb) {
1221 TRACE_(olerelay)("->");
1222 if (iname)
1223 TRACE_(olerelay)("%s:",relaystr(iname));
1224 if (fname)
1225 TRACE_(olerelay)("%s(%d)",relaystr(fname),method);
1226 else
1227 TRACE_(olerelay)("%d",method);
1228 TRACE_(olerelay)("(");
1229 }
1230
1231 if (iname) SysFreeString(iname);
1232 if (fname) SysFreeString(fname);
1233
1234 memset(&buf,0,sizeof(buf));
1235
1236 /* normal typelib driven serializing */
1237
1238 /* Need them for hack below */
1239 memset(names,0,sizeof(names));
1240 if (ITypeInfo_GetNames(tinfo,fdesc->memid,names,sizeof(names)/sizeof(names[0]),&nrofnames))
1241 nrofnames = 0;
1242 if (nrofnames > sizeof(names)/sizeof(names[0]))
1243 ERR("Need more names!\n");
1244
1245 xargs = args;
1246 for (i=0;i<fdesc->cParams;i++) {
1247 ELEMDESC *elem = fdesc->lprgelemdescParam+i;
1248 if (relaydeb) {
1249 if (i) TRACE_(olerelay)(",");
1250 if (i+1<nrofnames && names[i+1])
1251 TRACE_(olerelay)("%s=",relaystr(names[i+1]));
1252 }
1253 /* No need to marshal other data than FIN and any VT_PTR. */
1254 if (!(elem->u.paramdesc.wParamFlags & PARAMFLAG_FIN || !elem->u.paramdesc.wParamFlags) && (elem->tdesc.vt != VT_PTR)) {
1255 xargs+=_argsize(elem->tdesc.vt);
1256 if (relaydeb) TRACE_(olerelay)("[out]");
1257 continue;
1258 }
1259 hres = serialize_param(
1260 tinfo,
1261 elem->u.paramdesc.wParamFlags & PARAMFLAG_FIN || !elem->u.paramdesc.wParamFlags,
1262 relaydeb,
1263 FALSE,
1264 &elem->tdesc,
1265 xargs,
1266 &buf
1267 );
1268
1269 if (hres) {
1270 ERR("Failed to serialize param, hres %lx\n",hres);
1271 break;
1272 }
1273 xargs+=_argsize(elem->tdesc.vt);
1274 }
1275 if (relaydeb) TRACE_(olerelay)(")");
1276
1277 memset(&msg,0,sizeof(msg));
1278 msg.cbBuffer = buf.curoff;
1279 msg.iMethod = method;
1280 hres = IRpcChannelBuffer_GetBuffer(chanbuf,&msg,&(tpinfo->iid));
1281 if (hres) {
1282 ERR("RpcChannelBuffer GetBuffer failed, %lx\n",hres);
1283 goto exit;
1284 }
1285 memcpy(msg.Buffer,buf.base,buf.curoff);
1286 if (relaydeb) TRACE_(olerelay)("\n");
1287 hres = IRpcChannelBuffer_SendReceive(chanbuf,&msg,&status);
1288 if (hres) {
1289 ERR("RpcChannelBuffer SendReceive failed, %lx\n",hres);
1290 goto exit;
1291 }
1292
1293 if (relaydeb) TRACE_(olerelay)(" status = %08lx (",status);
1294 if (buf.base)
1295 buf.base = HeapReAlloc(GetProcessHeap(),0,buf.base,msg.cbBuffer);
1296 else
1297 buf.base = HeapAlloc(GetProcessHeap(),0,msg.cbBuffer);
1298 buf.size = msg.cbBuffer;
1299 memcpy(buf.base,msg.Buffer,buf.size);
1300 buf.curoff = 0;
1301
1302 /* generic deserializer using typelib description */
1303 xargs = args;
1304 status = S_OK;
1305 for (i=0;i<fdesc->cParams;i++) {
1306 ELEMDESC *elem = fdesc->lprgelemdescParam+i;
1307
1308 if (relaydeb) {
1309 if (i) TRACE_(olerelay)(",");
1310 if (i+1<nrofnames && names[i+1]) TRACE_(olerelay)("%s=",relaystr(names[i+1]));
1311 }
1312 /* No need to marshal other data than FOUT and any VT_PTR */
1313 if (!(elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT) && (elem->tdesc.vt != VT_PTR)) {
1314 xargs += _argsize(elem->tdesc.vt);
1315 if (relaydeb) TRACE_(olerelay)("[in]");
1316 continue;
1317 }
1318 hres = deserialize_param(
1319 tinfo,
1320 elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT,
1321 relaydeb,
1322 FALSE,
1323 &(elem->tdesc),
1324 xargs,
1325 &buf
1326 );
1327 if (hres) {
1328 ERR("Failed to unmarshall param, hres %lx\n",hres);
1329 status = hres;
1330 break;
1331 }
1332 xargs += _argsize(elem->tdesc.vt);
1333 }
1334
1335 hres = xbuf_get(&buf, (LPBYTE)&remoteresult, sizeof(DWORD));
1336 if (hres != S_OK)
1337 goto exit;
1338 if (relaydeb) TRACE_(olerelay)(") = %08lx\n", remoteresult);
1339
1340 hres = remoteresult;
1341
1342 exit:
1343 HeapFree(GetProcessHeap(),0,buf.base);
1344 IRpcChannelBuffer_Release(chanbuf);
1345 ITypeInfo_Release(tinfo);
1346 TRACE("-- 0x%08lx\n", hres);
1347 return hres;
1348 }
1349
1350 HRESULT WINAPI ProxyIUnknown_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
1351 {
1352 TMProxyImpl *proxy = (TMProxyImpl *)iface;
1353
1354 TRACE("(%s, %p)\n", debugstr_guid(riid), ppv);
1355
1356 if (proxy->outerunknown)
1357 return IUnknown_QueryInterface(proxy->outerunknown, riid, ppv);
1358
1359 FIXME("No interface\n");
1360 return E_NOINTERFACE;
1361 }
1362
1363 ULONG WINAPI ProxyIUnknown_AddRef(IUnknown *iface)
1364 {
1365 TMProxyImpl *proxy = (TMProxyImpl *)iface;
1366
1367 TRACE("\n");
1368
1369 if (proxy->outerunknown)
1370 return IUnknown_AddRef(proxy->outerunknown);
1371
1372 return 2; /* FIXME */
1373 }
1374
1375 ULONG WINAPI ProxyIUnknown_Release(IUnknown *iface)
1376 {
1377 TMProxyImpl *proxy = (TMProxyImpl *)iface;
1378
1379 TRACE("\n");
1380
1381 if (proxy->outerunknown)
1382 return IUnknown_Release(proxy->outerunknown);
1383
1384 return 1; /* FIXME */
1385 }
1386
1387 static HRESULT WINAPI ProxyIDispatch_GetTypeInfoCount(LPDISPATCH iface, UINT * pctinfo)
1388 {
1389 TMProxyImpl *This = (TMProxyImpl *)iface;
1390
1391 TRACE("(%p)\n", pctinfo);
1392
1393 return IDispatch_GetTypeInfoCount(This->dispatch, pctinfo);
1394 }
1395
1396 static HRESULT WINAPI ProxyIDispatch_GetTypeInfo(LPDISPATCH iface, UINT iTInfo, LCID lcid, ITypeInfo** ppTInfo)
1397 {
1398 TMProxyImpl *This = (TMProxyImpl *)iface;
1399
1400 TRACE("(%d, %lx, %p)\n", iTInfo, lcid, ppTInfo);
1401
1402 return IDispatch_GetTypeInfo(This->dispatch, iTInfo, lcid, ppTInfo);
1403 }
1404
1405 static HRESULT WINAPI ProxyIDispatch_GetIDsOfNames(LPDISPATCH iface, REFIID riid, LPOLESTR * rgszNames, UINT cNames, LCID lcid, DISPID * rgDispId)
1406 {
1407 TMProxyImpl *This = (TMProxyImpl *)iface;
1408
1409 TRACE("(%s, %p, %d, 0x%lx, %p)\n", debugstr_guid(riid), rgszNames, cNames, lcid, rgDispId);
1410
1411 return IDispatch_GetIDsOfNames(This->dispatch, riid, rgszNames,
1412 cNames, lcid, rgDispId);
1413 }
1414
1415 static HRESULT WINAPI ProxyIDispatch_Invoke(LPDISPATCH iface, DISPID dispIdMember, REFIID riid, LCID lcid,
1416 WORD wFlags, DISPPARAMS * pDispParams, VARIANT * pVarResult,
1417 EXCEPINFO * pExcepInfo, UINT * puArgErr)
1418 {
1419 TMProxyImpl *This = (TMProxyImpl *)iface;
1420
1421 TRACE("(%ld, %s, 0x%lx, 0x%x, %p, %p, %p, %p)\n", dispIdMember,
1422 debugstr_guid(riid), lcid, wFlags, pDispParams, pVarResult,
1423 pExcepInfo, puArgErr);
1424
1425 return IDispatch_Invoke(This->dispatch, dispIdMember, riid, lcid,
1426 wFlags, pDispParams, pVarResult, pExcepInfo,
1427 puArgErr);
1428 }
1429
1430 static inline HRESULT get_facbuf_for_iid(REFIID riid, IPSFactoryBuffer **facbuf)
1431 {
1432 HRESULT hr;
1433 CLSID clsid;
1434
1435 if ((hr = CoGetPSClsid(riid, &clsid)))
1436 return hr;
1437 return CoGetClassObject(&clsid, CLSCTX_INPROC_SERVER, NULL,
1438 &IID_IPSFactoryBuffer, (LPVOID*)facbuf);
1439 }
1440
1441 static HRESULT WINAPI
1442 PSFacBuf_CreateProxy(
1443 LPPSFACTORYBUFFER iface, IUnknown* pUnkOuter, REFIID riid,
1444 IRpcProxyBuffer **ppProxy, LPVOID *ppv)
1445 {
1446 HRESULT hres;
1447 ITypeInfo *tinfo;
1448 int i, nroffuncs;
1449 const FUNCDESC *fdesc;
1450 TMProxyImpl *proxy;
1451 TYPEATTR *typeattr;
1452
1453 TRACE("(...%s...)\n",debugstr_guid(riid));
1454 hres = _get_typeinfo_for_iid(riid,&tinfo);
1455 if (hres) {
1456 ERR("No typeinfo for %s?\n",debugstr_guid(riid));
1457 return hres;
1458 }
1459 nroffuncs = _nroffuncs(tinfo);
1460 proxy = CoTaskMemAlloc(sizeof(TMProxyImpl));
1461 if (!proxy) return E_OUTOFMEMORY;
1462
1463 assert(sizeof(TMAsmProxy) == 12);
1464
1465 proxy->dispatch = NULL;
1466 proxy->dispatch_proxy = NULL;
1467 proxy->outerunknown = pUnkOuter;
1468 proxy->asmstubs = VirtualAlloc(NULL, sizeof(TMAsmProxy) * nroffuncs, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
1469 if (!proxy->asmstubs) {
1470 ERR("Could not commit pages for proxy thunks\n");
1471 CoTaskMemFree(proxy);
1472 return E_OUTOFMEMORY;
1473 }
1474
1475 InitializeCriticalSection(&proxy->crit);
1476
1477 proxy->lpvtbl = HeapAlloc(GetProcessHeap(),0,sizeof(LPBYTE)*nroffuncs);
1478 for (i=0;i<nroffuncs;i++) {
1479 TMAsmProxy *xasm = proxy->asmstubs+i;
1480
1481 switch (i) {
1482 case 0:
1483 proxy->lpvtbl[i] = ProxyIUnknown_QueryInterface;
1484 break;
1485 case 1:
1486 proxy->lpvtbl[i] = ProxyIUnknown_AddRef;
1487 break;
1488 case 2:
1489 proxy->lpvtbl[i] = ProxyIUnknown_Release;
1490 break;
1491 default: {
1492 int j;
1493 /* nrofargs without This */
1494 int nrofargs;
1495 ITypeInfo *tinfo2;
1496 hres = _get_funcdesc(tinfo,i,&tinfo2,&fdesc,NULL,NULL);
1497 ITypeInfo_Release(tinfo2);
1498 if (hres) {
1499 ERR("GetFuncDesc %lx should not fail here.\n",hres);
1500 return hres;
1501 }
1502 /* some args take more than 4 byte on the stack */
1503 nrofargs = 0;
1504 for (j=0;j<fdesc->cParams;j++)
1505 nrofargs += _argsize(fdesc->lprgelemdescParam[j].tdesc.vt);
1506
1507 #ifdef __i386__
1508 if (fdesc->callconv != CC_STDCALL) {
1509 ERR("calling convention is not stdcall????\n");
1510 return E_FAIL;
1511 }
1512 /* popl %eax - return ptr
1513 * pushl <nr>
1514 * pushl %eax
1515 * call xCall
1516 * lret <nr> (+4)
1517 *
1518 *
1519 * arg3 arg2 arg1 <method> <returnptr>
1520 */
1521 xasm->popleax = 0x58;
1522 xasm->pushlval = 0x6a;
1523 xasm->nr = i;
1524 xasm->pushleax = 0x50;
1525 xasm->lcall = 0xe8; /* relative jump */
1526 xasm->xcall = (DWORD)xCall;
1527 xasm->xcall -= (DWORD)&(xasm->lret);
1528 xasm->lret = 0xc2;
1529 xasm->bytestopop= (nrofargs+2)*4; /* pop args, This, iMethod */
1530 proxy->lpvtbl[i] = xasm;
1531 break;
1532 #else
1533 FIXME("not implemented on non i386\n");
1534 return E_FAIL;
1535 #endif
1536 }
1537 }
1538 }
1539
1540 /* if we derive from IDispatch then defer to its proxy for its methods */
1541 hres = ITypeInfo_GetTypeAttr(tinfo, &typeattr);
1542 if (hres == S_OK)
1543 {
1544 if (typeattr->wTypeFlags & TYPEFLAG_FDISPATCHABLE)
1545 {
1546 IPSFactoryBuffer *factory_buffer;
1547 hres = get_facbuf_for_iid(&IID_IDispatch, &factory_buffer);
1548 if (hres == S_OK)
1549 {
1550 hres = IPSFactoryBuffer_CreateProxy(factory_buffer, NULL,
1551 &IID_IDispatch, &proxy->dispatch_proxy,
1552 (void **)&proxy->dispatch);
1553 IPSFactoryBuffer_Release(factory_buffer);
1554 }
1555 if (hres == S_OK)
1556 {
1557 proxy->lpvtbl[3] = ProxyIDispatch_GetTypeInfoCount;
1558 proxy->lpvtbl[4] = ProxyIDispatch_GetTypeInfo;
1559 proxy->lpvtbl[5] = ProxyIDispatch_GetIDsOfNames;
1560 proxy->lpvtbl[6] = ProxyIDispatch_Invoke;
1561 }
1562 }
1563 ITypeInfo_ReleaseTypeAttr(tinfo, typeattr);
1564 }
1565
1566 proxy->lpvtbl2 = &tmproxyvtable;
1567 /* one reference for the proxy */
1568 proxy->ref = 1;
1569 proxy->tinfo = tinfo;
1570 memcpy(&proxy->iid,riid,sizeof(*riid));
1571 proxy->chanbuf = 0;
1572 if (hres == S_OK)
1573 {
1574 *ppv = (LPVOID)proxy;
1575 *ppProxy = (IRpcProxyBuffer *)&(proxy->lpvtbl2);
1576 IUnknown_AddRef((IUnknown *)*ppv);
1577 return S_OK;
1578 }
1579 else
1580 TMProxyImpl_Release((IRpcProxyBuffer *)&proxy->lpvtbl2);
1581 return hres;
1582 }
1583
1584 typedef struct _TMStubImpl {
1585 const IRpcStubBufferVtbl *lpvtbl;
1586 LONG ref;
1587
1588 LPUNKNOWN pUnk;
1589 ITypeInfo *tinfo;
1590 IID iid;
1591 IRpcStubBuffer *dispatch_stub;
1592 } TMStubImpl;
1593
1594 static HRESULT WINAPI
1595 TMStubImpl_QueryInterface(LPRPCSTUBBUFFER iface, REFIID riid, LPVOID *ppv)
1596 {
1597 if (IsEqualIID(riid,&IID_IRpcStubBuffer)||IsEqualIID(riid,&IID_IUnknown)){
1598 *ppv = (LPVOID)iface;
1599 IRpcStubBuffer_AddRef(iface);
1600 return S_OK;
1601 }
1602 FIXME("%s, not supported IID.\n",debugstr_guid(riid));
1603 return E_NOINTERFACE;
1604 }
1605
1606 static ULONG WINAPI
1607 TMStubImpl_AddRef(LPRPCSTUBBUFFER iface)
1608 {
1609 TMStubImpl *This = (TMStubImpl *)iface;
1610 ULONG refCount = InterlockedIncrement(&This->ref);
1611
1612 TRACE("(%p)->(ref before=%lu)\n", This, refCount - 1);
1613
1614 return refCount;
1615 }
1616
1617 static ULONG WINAPI
1618 TMStubImpl_Release(LPRPCSTUBBUFFER iface)
1619 {
1620 TMStubImpl *This = (TMStubImpl *)iface;
1621 ULONG refCount = InterlockedDecrement(&This->ref);
1622
1623 TRACE("(%p)->(ref before=%lu)\n", This, refCount + 1);
1624
1625 if (!refCount)
1626 {
1627 IRpcStubBuffer_Disconnect(iface);
1628 ITypeInfo_Release(This->tinfo);
1629 CoTaskMemFree(This);
1630 }
1631 return refCount;
1632 }
1633
1634 static HRESULT WINAPI
1635 TMStubImpl_Connect(LPRPCSTUBBUFFER iface, LPUNKNOWN pUnkServer)
1636 {
1637 TMStubImpl *This = (TMStubImpl *)iface;
1638
1639 TRACE("(%p)->(%p)\n", This, pUnkServer);
1640
1641 IUnknown_AddRef(pUnkServer);
1642 This->pUnk = pUnkServer;
1643
1644 if (This->dispatch_stub)
1645 IRpcStubBuffer_Connect(This->dispatch_stub, pUnkServer);
1646
1647 return S_OK;
1648 }
1649
1650 static void WINAPI
1651 TMStubImpl_Disconnect(LPRPCSTUBBUFFER iface)
1652 {
1653 TMStubImpl *This = (TMStubImpl *)iface;
1654
1655 TRACE("(%p)->()\n", This);
1656
1657 if (This->pUnk)
1658 {
1659 IUnknown_Release(This->pUnk);
1660 This->pUnk = NULL;
1661 }
1662
1663 if (This->dispatch_stub)
1664 IRpcStubBuffer_Disconnect(This->dispatch_stub);
1665 }
1666
1667 static HRESULT WINAPI
1668 TMStubImpl_Invoke(
1669 LPRPCSTUBBUFFER iface, RPCOLEMESSAGE* xmsg,IRpcChannelBuffer*rpcchanbuf)
1670 {
1671 int i;
1672 const FUNCDESC *fdesc;
1673 TMStubImpl *This = (TMStubImpl *)iface;
1674 HRESULT hres;
1675 DWORD *args, res, *xargs, nrofargs;
1676 marshal_state buf;
1677 UINT nrofnames;
1678 BSTR names[10];
1679 BSTR iname = NULL;
1680 ITypeInfo *tinfo;
1681
1682 TRACE("...\n");
1683
1684 if (xmsg->iMethod < 3) {
1685 ERR("IUnknown methods cannot be marshaled by the typelib marshaler\n");
1686 return E_UNEXPECTED;
1687 }
1688
1689 if (This->dispatch_stub && xmsg->iMethod < sizeof(IDispatchVtbl)/sizeof(void *))
1690 return IRpcStubBuffer_Invoke(This->dispatch_stub, xmsg, rpcchanbuf);
1691
1692 memset(&buf,0,sizeof(buf));
1693 buf.size = xmsg->cbBuffer;
1694 buf.base = HeapAlloc(GetProcessHeap(), 0, xmsg->cbBuffer);
1695 memcpy(buf.base, xmsg->Buffer, xmsg->cbBuffer);
1696 buf.curoff = 0;
1697
1698 hres = _get_funcdesc(This->tinfo,xmsg->iMethod,&tinfo,&fdesc,&iname,NULL);
1699 if (hres) {
1700 ERR("GetFuncDesc on method %ld failed with %lx\n",xmsg->iMethod,hres);
1701 return hres;
1702 }
1703
1704 if (iname && !lstrcmpW(iname, IDispatchW))
1705 {
1706 ERR("IDispatch cannot be marshaled by the typelib marshaler\n");
1707 ITypeInfo_Release(tinfo);
1708 return E_UNEXPECTED;
1709 }
1710
1711 if (iname) SysFreeString (iname);
1712
1713 /* Need them for hack below */
1714 memset(names,0,sizeof(names));
1715 ITypeInfo_GetNames(tinfo,fdesc->memid,names,sizeof(names)/sizeof(names[0]),&nrofnames);
1716 if (nrofnames > sizeof(names)/sizeof(names[0])) {
1717 ERR("Need more names!\n");
1718 }
1719
1720 /*dump_FUNCDESC(fdesc);*/
1721 nrofargs = 0;
1722 for (i=0;i<fdesc->cParams;i++)
1723 nrofargs += _argsize(fdesc->lprgelemdescParam[i].tdesc.vt);
1724 args = HeapAlloc(GetProcessHeap(),0,(nrofargs+1)*sizeof(DWORD));
1725 if (!args) return E_OUTOFMEMORY;
1726
1727 /* Allocate all stuff used by call. */
1728 xargs = args+1;
1729 for (i=0;i<fdesc->cParams;i++) {
1730 ELEMDESC *elem = fdesc->lprgelemdescParam+i;
1731
1732 hres = deserialize_param(
1733 tinfo,
1734 elem->u.paramdesc.wParamFlags & PARAMFLAG_FIN || !elem->u.paramdesc.wParamFlags,
1735 FALSE,
1736 TRUE,
1737 &(elem->tdesc),
1738 xargs,
1739 &buf
1740 );
1741 xargs += _argsize(elem->tdesc.vt);
1742 if (hres) {
1743 ERR("Failed to deserialize param %s, hres %lx\n",relaystr(names[i+1]),hres);
1744 break;
1745 }
1746 }
1747
1748 args[0] = (DWORD)This->pUnk;
1749 res = _invoke(
1750 (*((FARPROC**)args[0]))[fdesc->oVft/4],
1751 fdesc->callconv,
1752 (xargs-args),
1753 args
1754 );
1755 buf.curoff = 0;
1756
1757 xargs = args+1;
1758 for (i=0;i<fdesc->cParams;i++) {
1759 ELEMDESC *elem = fdesc->lprgelemdescParam+i;
1760 hres = serialize_param(
1761 tinfo,
1762 elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT,
1763 FALSE,
1764 TRUE,
1765 &elem->tdesc,
1766 xargs,
1767 &buf
1768 );
1769 xargs += _argsize(elem->tdesc.vt);
1770 if (hres) {
1771 ERR("Failed to stuballoc param, hres %lx\n",hres);
1772 break;
1773 }
1774 }
1775
1776 hres = xbuf_add (&buf, (LPBYTE)&res, sizeof(DWORD));
1777 if (hres != S_OK)
1778 return hres;
1779
1780 ITypeInfo_Release(tinfo);
1781 HeapFree(GetProcessHeap(), 0, args);
1782
1783 xmsg->cbBuffer = buf.curoff;
1784 if (rpcchanbuf)
1785 {
1786 hres = IRpcChannelBuffer_GetBuffer(rpcchanbuf, xmsg, &This->iid);
1787 if (hres != S_OK)
1788 ERR("IRpcChannelBuffer_GetBuffer failed with error 0x%08lx\n", hres);
1789 }
1790 else
1791 {
1792 /* FIXME: remove this case when we start sending an IRpcChannelBuffer
1793 * object with builtin OLE */
1794 RPC_STATUS status = I_RpcGetBuffer((RPC_MESSAGE *)xmsg);
1795 if (status != RPC_S_OK)
1796 {
1797 ERR("I_RpcGetBuffer failed with error %ld\n", status);
1798 hres = E_FAIL;
1799 }
1800 }
1801
1802 if (hres == S_OK)
1803 memcpy(xmsg->Buffer, buf.base, buf.curoff);
1804
1805 HeapFree(GetProcessHeap(), 0, buf.base);
1806
1807 TRACE("returning\n");
1808 return hres;
1809 }
1810
1811 static LPRPCSTUBBUFFER WINAPI
1812 TMStubImpl_IsIIDSupported(LPRPCSTUBBUFFER iface, REFIID riid) {
1813 FIXME("Huh (%s)?\n",debugstr_guid(riid));
1814 return NULL;
1815 }
1816
1817 static ULONG WINAPI
1818 TMStubImpl_CountRefs(LPRPCSTUBBUFFER iface) {
1819 TMStubImpl *This = (TMStubImpl *)iface;
1820
1821 FIXME("()\n");
1822 return This->ref; /*FIXME? */
1823 }
1824
1825 static HRESULT WINAPI
1826 TMStubImpl_DebugServerQueryInterface(LPRPCSTUBBUFFER iface, LPVOID *ppv) {
1827 return E_NOTIMPL;
1828 }
1829
1830 static void WINAPI
1831 TMStubImpl_DebugServerRelease(LPRPCSTUBBUFFER iface, LPVOID ppv) {
1832 return;
1833 }
1834
1835 static const IRpcStubBufferVtbl tmstubvtbl = {
1836 TMStubImpl_QueryInterface,
1837 TMStubImpl_AddRef,
1838 TMStubImpl_Release,
1839 TMStubImpl_Connect,
1840 TMStubImpl_Disconnect,
1841 TMStubImpl_Invoke,
1842 TMStubImpl_IsIIDSupported,
1843 TMStubImpl_CountRefs,
1844 TMStubImpl_DebugServerQueryInterface,
1845 TMStubImpl_DebugServerRelease
1846 };
1847
1848 static HRESULT WINAPI
1849 PSFacBuf_CreateStub(
1850 LPPSFACTORYBUFFER iface, REFIID riid,IUnknown *pUnkServer,
1851 IRpcStubBuffer** ppStub
1852 ) {
1853 HRESULT hres;
1854 ITypeInfo *tinfo;
1855 TMStubImpl *stub;
1856 TYPEATTR *typeattr;
1857
1858 TRACE("(%s,%p,%p)\n",debugstr_guid(riid),pUnkServer,ppStub);
1859
1860 hres = _get_typeinfo_for_iid(riid,&tinfo);
1861 if (hres) {
1862 ERR("No typeinfo for %s?\n",debugstr_guid(riid));
1863 return hres;
1864 }
1865
1866 stub = CoTaskMemAlloc(sizeof(TMStubImpl));
1867 if (!stub)
1868 return E_OUTOFMEMORY;
1869 stub->lpvtbl = &tmstubvtbl;
1870 stub->ref = 1;
1871 stub->tinfo = tinfo;
1872 stub->dispatch_stub = NULL;
1873 memcpy(&(stub->iid),riid,sizeof(*riid));
1874 hres = IRpcStubBuffer_Connect((LPRPCSTUBBUFFER)stub,pUnkServer);
1875 *ppStub = (LPRPCSTUBBUFFER)stub;
1876 TRACE("IRpcStubBuffer: %p\n", stub);
1877 if (hres)
1878 ERR("Connect to pUnkServer failed?\n");
1879
1880 /* if we derive from IDispatch then defer to its stub for some of its methods */
1881 hres = ITypeInfo_GetTypeAttr(tinfo, &typeattr);
1882 if (hres == S_OK)
1883 {
1884 if (typeattr->wTypeFlags & TYPEFLAG_FDISPATCHABLE)
1885 {
1886 IPSFactoryBuffer *factory_buffer;
1887 hres = get_facbuf_for_iid(&IID_IDispatch, &factory_buffer);
1888 if (hres == S_OK)
1889 {
1890 hres = IPSFactoryBuffer_CreateStub(factory_buffer, &IID_IDispatch,
1891 pUnkServer, &stub->dispatch_stub);
1892 IPSFactoryBuffer_Release(factory_buffer);
1893 }
1894 }
1895 ITypeInfo_ReleaseTypeAttr(tinfo, typeattr);
1896 }
1897
1898 return hres;
1899 }
1900
1901 static const IPSFactoryBufferVtbl psfacbufvtbl = {
1902 PSFacBuf_QueryInterface,
1903 PSFacBuf_AddRef,
1904 PSFacBuf_Release,
1905 PSFacBuf_CreateProxy,
1906 PSFacBuf_CreateStub
1907 };
1908
1909 /* This is the whole PSFactoryBuffer object, just the vtableptr */
1910 static const IPSFactoryBufferVtbl *lppsfac = &psfacbufvtbl;
1911
1912 /***********************************************************************
1913 * TMARSHAL_DllGetClassObject
1914 */
1915 HRESULT TMARSHAL_DllGetClassObject(REFCLSID rclsid, REFIID iid,LPVOID *ppv)
1916 {
1917 if (IsEqualIID(iid,&IID_IPSFactoryBuffer)) {
1918 *ppv = &lppsfac;
1919 return S_OK;
1920 }
1921 return E_NOINTERFACE;
1922 }
DirectPlay implementation for GSoC