git.oblomov.eu Git - wine/blob - dlls/oleaut32/tmarshal.c

   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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  */
  23
  24 #include "config.h"
  25 #include "wine/port.h"
  26
  27 #include <assert.h>
  28 #include <stdlib.h>
  29 #include <string.h>
  30 #include <stdarg.h>
  31 #include <stdio.h>
  32 #include <ctype.h>
  33
  34 #define COBJMACROS
  35 #define NONAMELESSUNION
  36 #define NONAMELESSSTRUCT
  37
  38 #include "winerror.h"
  39 #include "windef.h"
  40 #include "winbase.h"
  41 #include "winnls.h"
  42 #include "winreg.h"
  43 #include "winuser.h"
  44
  45 #include "ole2.h"
  46 #include "propidl.h" /* for LPSAFEARRAY_User* functions */
  47 #include "typelib.h"
  48 #include "variant.h"
  49 #include "wine/debug.h"
  50 #include "wine/exception.h"
  51
  52 static const WCHAR IDispatchW[] = { 'I','D','i','s','p','a','t','c','h',0};
  53
  54 WINE_DEFAULT_DEBUG_CHANNEL(ole);
  55 WINE_DECLARE_DEBUG_CHANNEL(olerelay);
  56
  57 static HRESULT TMarshalDispatchChannel_Create(
  58     IRpcChannelBuffer *pDelegateChannel, REFIID tmarshal_riid,
  59     IRpcChannelBuffer **ppChannel);
  60
  61 typedef struct _marshal_state {
  62     LPBYTE      base;
  63     int         size;
  64     int         curoff;
  65 } marshal_state;
  66
  67 /* used in the olerelay code to avoid having the L"" stuff added by debugstr_w */
  68 static char *relaystr(WCHAR *in) {
  69     char *tmp = (char *)debugstr_w(in);
  70     tmp += 2;
  71     tmp[strlen(tmp)-1] = '\0';
  72     return tmp;
  73 }
  74
  75 static HRESULT
  76 xbuf_resize(marshal_state *buf, DWORD newsize)
  77 {
  78     if(buf->size >= newsize)
  79         return S_FALSE;
  80
  81     if(buf->base)
  82     {
  83         buf->base = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, buf->base, newsize);
  84         if(!buf->base)
  85             return E_OUTOFMEMORY;
  86     }
  87     else
  88     {
  89         buf->base = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, newsize);
  90         if(!buf->base)
  91             return E_OUTOFMEMORY;
  92     }
  93     buf->size = newsize;
  94     return S_OK;
  95 }
  96
  97 static HRESULT
  98 xbuf_add(marshal_state *buf, const BYTE *stuff, DWORD size)
  99 {
 100     HRESULT hr;
 101
 102     if(buf->size - buf->curoff < size)
 103     {
 104         hr = xbuf_resize(buf, buf->size + size + 100);
 105         if(FAILED(hr)) return hr;
 106     }
 107     memcpy(buf->base+buf->curoff,stuff,size);
 108     buf->curoff += size;
 109     return S_OK;
 110 }
 111
 112 static HRESULT
 113 xbuf_get(marshal_state *buf, LPBYTE stuff, DWORD size) {
 114     if (buf->size < buf->curoff+size) return E_FAIL;
 115     memcpy(stuff,buf->base+buf->curoff,size);
 116     buf->curoff += size;
 117     return S_OK;
 118 }
 119
 120 static HRESULT
 121 xbuf_skip(marshal_state *buf, DWORD size) {
 122     if (buf->size < buf->curoff+size) return E_FAIL;
 123     buf->curoff += size;
 124     return S_OK;
 125 }
 126
 127 static HRESULT
 128 _unmarshal_interface(marshal_state *buf, REFIID riid, LPUNKNOWN *pUnk) {
 129     IStream             *pStm;
 130     ULARGE_INTEGER      newpos;
 131     LARGE_INTEGER       seekto;
 132     ULONG               res;
 133     HRESULT             hres;
 134     DWORD               xsize;
 135
 136     TRACE("...%s...\n",debugstr_guid(riid));
 137
 138     *pUnk = NULL;
 139     hres = xbuf_get(buf,(LPBYTE)&xsize,sizeof(xsize));
 140     if (hres) {
 141         ERR("xbuf_get failed\n");
 142         return hres;
 143     }
 144
 145     if (xsize == 0) return S_OK;
 146
 147     hres = CreateStreamOnHGlobal(0,TRUE,&pStm);
 148     if (hres) {
 149         ERR("Stream create failed %x\n",hres);
 150         return hres;
 151     }
 152
 153     hres = IStream_Write(pStm,buf->base+buf->curoff,xsize,&res);
 154     if (hres) {
 155         ERR("stream write %x\n",hres);
 156         IStream_Release(pStm);
 157         return hres;
 158     }
 159
 160     memset(&seekto,0,sizeof(seekto));
 161     hres = IStream_Seek(pStm,seekto,SEEK_SET,&newpos);
 162     if (hres) {
 163         ERR("Failed Seek %x\n",hres);
 164         IStream_Release(pStm);
 165         return hres;
 166     }
 167
 168     hres = CoUnmarshalInterface(pStm,riid,(LPVOID*)pUnk);
 169     if (hres) {
 170         ERR("Unmarshalling interface %s failed with %x\n",debugstr_guid(riid),hres);
 171         IStream_Release(pStm);
 172         return hres;
 173     }
 174
 175     IStream_Release(pStm);
 176     return xbuf_skip(buf,xsize);
 177 }
 178
 179 static HRESULT
 180 _marshal_interface(marshal_state *buf, REFIID riid, LPUNKNOWN pUnk) {
 181     LPBYTE              tempbuf = NULL;
 182     IStream             *pStm = NULL;
 183     STATSTG             ststg;
 184     ULARGE_INTEGER      newpos;
 185     LARGE_INTEGER       seekto;
 186     ULONG               res;
 187     DWORD               xsize;
 188     HRESULT             hres;
 189
 190     if (!pUnk) {
 191         /* this is valid, if for instance we serialize
 192          * a VT_DISPATCH with NULL ptr which apparently
 193          * can happen. S_OK to make sure we continue
 194          * serializing.
 195          */
 196         WARN("pUnk is NULL\n");
 197         xsize = 0;
 198         return xbuf_add(buf,(LPBYTE)&xsize,sizeof(xsize));
 199     }
 200
 201     hres = E_FAIL;
 202
 203     TRACE("...%s...\n",debugstr_guid(riid));
 204
 205     hres = CreateStreamOnHGlobal(0,TRUE,&pStm);
 206     if (hres) {
 207         ERR("Stream create failed %x\n",hres);
 208         goto fail;
 209     }
 210
 211     hres = CoMarshalInterface(pStm,riid,pUnk,0,NULL,0);
 212     if (hres) {
 213         ERR("Marshalling interface %s failed with %x\n", debugstr_guid(riid), hres);
 214         goto fail;
 215     }
 216
 217     hres = IStream_Stat(pStm,&ststg,STATFLAG_NONAME);
 218     if (hres) {
 219         ERR("Stream stat failed\n");
 220         goto fail;
 221     }
 222
 223     tempbuf = HeapAlloc(GetProcessHeap(), 0, ststg.cbSize.u.LowPart);
 224     memset(&seekto,0,sizeof(seekto));
 225     hres = IStream_Seek(pStm,seekto,SEEK_SET,&newpos);
 226     if (hres) {
 227         ERR("Failed Seek %x\n",hres);
 228         goto fail;
 229     }
 230
 231     hres = IStream_Read(pStm,tempbuf,ststg.cbSize.u.LowPart,&res);
 232     if (hres) {
 233         ERR("Failed Read %x\n",hres);
 234         goto fail;
 235     }
 236
 237     xsize = ststg.cbSize.u.LowPart;
 238     xbuf_add(buf,(LPBYTE)&xsize,sizeof(xsize));
 239     hres = xbuf_add(buf,tempbuf,ststg.cbSize.u.LowPart);
 240
 241     HeapFree(GetProcessHeap(),0,tempbuf);
 242     IStream_Release(pStm);
 243
 244     return hres;
 245
 246 fail:
 247     xsize = 0;
 248     xbuf_add(buf,(LPBYTE)&xsize,sizeof(xsize));
 249     if (pStm) IStream_Release(pStm);
 250     HeapFree(GetProcessHeap(), 0, tempbuf);
 251     return hres;
 252 }
 253
 254 /********************* OLE Proxy/Stub Factory ********************************/
 255 static HRESULT WINAPI
 256 PSFacBuf_QueryInterface(LPPSFACTORYBUFFER iface, REFIID iid, LPVOID *ppv) {
 257     if (IsEqualIID(iid,&IID_IPSFactoryBuffer)||IsEqualIID(iid,&IID_IUnknown)) {
 258         *ppv = iface;
 259         /* No ref counting, static class */
 260         return S_OK;
 261     }
 262     FIXME("(%s) unknown IID?\n",debugstr_guid(iid));
 263     return E_NOINTERFACE;
 264 }
 265
 266 static ULONG WINAPI PSFacBuf_AddRef(LPPSFACTORYBUFFER iface) { return 2; }
 267 static ULONG WINAPI PSFacBuf_Release(LPPSFACTORYBUFFER iface) { return 1; }
 268
 269 static HRESULT
 270 _get_typeinfo_for_iid(REFIID riid, ITypeInfo**ti) {
 271     HRESULT     hres;
 272     HKEY        ikey;
 273     char        tlguid[200],typelibkey[300],interfacekey[300],ver[100];
 274     char        tlfn[260];
 275     OLECHAR     tlfnW[260];
 276     DWORD       tlguidlen, verlen, type;
 277     LONG        tlfnlen;
 278     ITypeLib    *tl;
 279
 280     sprintf( interfacekey, "Interface\\{%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}\\Typelib",
 281         riid->Data1, riid->Data2, riid->Data3,
 282         riid->Data4[0], riid->Data4[1], riid->Data4[2], riid->Data4[3],
 283         riid->Data4[4], riid->Data4[5], riid->Data4[6], riid->Data4[7]
 284     );
 285
 286     if (RegOpenKeyA(HKEY_CLASSES_ROOT,interfacekey,&ikey)) {
 287         ERR("No %s key found.\n",interfacekey);
 288         return E_FAIL;
 289     }
 290     tlguidlen = sizeof(tlguid);
 291     if (RegQueryValueExA(ikey,NULL,NULL,&type,(LPBYTE)tlguid,&tlguidlen)) {
 292         ERR("Getting typelib guid failed.\n");
 293         RegCloseKey(ikey);
 294         return E_FAIL;
 295     }
 296     verlen = sizeof(ver);
 297     if (RegQueryValueExA(ikey,"Version",NULL,&type,(LPBYTE)ver,&verlen)) {
 298         ERR("Could not get version value?\n");
 299         RegCloseKey(ikey);
 300         return E_FAIL;
 301     }
 302     RegCloseKey(ikey);
 303     sprintf(typelibkey,"Typelib\\%s\\%s\\0\\win%u",tlguid,ver,(sizeof(void*) == 8) ? 64 : 32);
 304     tlfnlen = sizeof(tlfn);
 305     if (RegQueryValueA(HKEY_CLASSES_ROOT,typelibkey,tlfn,&tlfnlen)) {
 306         ERR("Could not get typelib fn?\n");
 307         return E_FAIL;
 308     }
 309     MultiByteToWideChar(CP_ACP, 0, tlfn, -1, tlfnW, sizeof(tlfnW) / sizeof(tlfnW[0]));
 310     hres = LoadTypeLib(tlfnW,&tl);
 311     if (hres) {
 312         ERR("Failed to load typelib for %s, but it should be there.\n",debugstr_guid(riid));
 313         return hres;
 314     }
 315     hres = ITypeLib_GetTypeInfoOfGuid(tl,riid,ti);
 316     if (hres) {
 317         ERR("typelib does not contain info for %s?\n",debugstr_guid(riid));
 318         ITypeLib_Release(tl);
 319         return hres;
 320     }
 321     ITypeLib_Release(tl);
 322     return hres;
 323 }
 324
 325 /*
 326  * Determine the number of functions including all inherited functions
 327  * and well as the size of the vtbl.
 328  * Note for non-dual dispinterfaces we simply return the size of IDispatch.
 329  */
 330 static HRESULT num_of_funcs(ITypeInfo *tinfo, unsigned int *num,
 331                             unsigned int *vtbl_size)
 332 {
 333     HRESULT hr;
 334     TYPEATTR *attr;
 335     ITypeInfo *tinfo2;
 336     UINT inherited_funcs = 0, i;
 337
 338     *num = 0;
 339     if(vtbl_size) *vtbl_size = 0;
 340
 341     hr = ITypeInfo_GetTypeAttr(tinfo, &attr);
 342     if (hr)
 343     {
 344         ERR("GetTypeAttr failed with %x\n", hr);
 345         return hr;
 346     }
 347
 348     if(attr->typekind == TKIND_DISPATCH)
 349     {
 350         if(attr->wTypeFlags & TYPEFLAG_FDUAL)
 351         {
 352             HREFTYPE href;
 353
 354             ITypeInfo_ReleaseTypeAttr(tinfo, attr);
 355             hr = ITypeInfo_GetRefTypeOfImplType(tinfo, -1, &href);
 356             if(FAILED(hr))
 357             {
 358                 ERR("Unable to get interface href from dual dispinterface\n");
 359                 return hr;
 360             }
 361             hr = ITypeInfo_GetRefTypeInfo(tinfo, href, &tinfo2);
 362             if(FAILED(hr))
 363             {
 364                 ERR("Unable to get interface from dual dispinterface\n");
 365                 return hr;
 366             }
 367             hr = num_of_funcs(tinfo2, num, vtbl_size);
 368             ITypeInfo_Release(tinfo2);
 369             return hr;
 370         }
 371         else /* non-dual dispinterface */
 372         {
 373             /* These will be the size of IDispatchVtbl */
 374             *num = attr->cbSizeVft / sizeof(void *);
 375             if(vtbl_size) *vtbl_size = attr->cbSizeVft;
 376             ITypeInfo_ReleaseTypeAttr(tinfo, attr);
 377             return hr;
 378         }
 379     }
 380
 381     for (i = 0; i < attr->cImplTypes; i++)
 382     {
 383         HREFTYPE href;
 384         ITypeInfo *pSubTypeInfo;
 385         UINT sub_funcs;
 386
 387         hr = ITypeInfo_GetRefTypeOfImplType(tinfo, i, &href);
 388         if (FAILED(hr)) goto end;
 389         hr = ITypeInfo_GetRefTypeInfo(tinfo, href, &pSubTypeInfo);
 390         if (FAILED(hr)) goto end;
 391
 392         hr = num_of_funcs(pSubTypeInfo, &sub_funcs, NULL);
 393         ITypeInfo_Release(pSubTypeInfo);
 394
 395         if(FAILED(hr)) goto end;
 396         inherited_funcs += sub_funcs;
 397     }
 398
 399     *num = inherited_funcs + attr->cFuncs;
 400     if(vtbl_size) *vtbl_size = attr->cbSizeVft;
 401
 402  end:
 403     ITypeInfo_ReleaseTypeAttr(tinfo, attr);
 404     return hr;
 405 }
 406
 407 #ifdef __i386__
 408
 409 #include "pshpack1.h"
 410
 411 typedef struct _TMAsmProxy {
 412     BYTE        popleax;
 413     BYTE        pushlval;
 414     DWORD       nr;
 415     BYTE        pushleax;
 416     BYTE        lcall;
 417     DWORD       xcall;
 418     BYTE        lret;
 419     WORD        bytestopop;
 420     BYTE        nop;
 421 } TMAsmProxy;
 422
 423 #include "poppack.h"
 424
 425 #else /* __i386__ */
 426 # warning You need to implement stubless proxies for your architecture
 427 typedef struct _TMAsmProxy {
 428 } TMAsmProxy;
 429 #endif
 430
 431 typedef struct _TMProxyImpl {
 432     LPVOID                             *lpvtbl;
 433     IRpcProxyBuffer                     IRpcProxyBuffer_iface;
 434     LONG                                ref;
 435
 436     TMAsmProxy                          *asmstubs;
 437     ITypeInfo*                          tinfo;
 438     IRpcChannelBuffer*                  chanbuf;
 439     IID                                 iid;
 440     CRITICAL_SECTION    crit;
 441     IUnknown                            *outerunknown;
 442     IDispatch                           *dispatch;
 443     IRpcProxyBuffer                     *dispatch_proxy;
 444 } TMProxyImpl;
 445
 446 static inline TMProxyImpl *impl_from_IRpcProxyBuffer( IRpcProxyBuffer *iface )
 447 {
 448     return CONTAINING_RECORD(iface, TMProxyImpl, IRpcProxyBuffer_iface);
 449 }
 450
 451 static HRESULT WINAPI
 452 TMProxyImpl_QueryInterface(LPRPCPROXYBUFFER iface, REFIID riid, LPVOID *ppv)
 453 {
 454     TRACE("()\n");
 455     if (IsEqualIID(riid,&IID_IUnknown)||IsEqualIID(riid,&IID_IRpcProxyBuffer)) {
 456         *ppv = iface;
 457         IRpcProxyBuffer_AddRef(iface);
 458         return S_OK;
 459     }
 460     FIXME("no interface for %s\n",debugstr_guid(riid));
 461     return E_NOINTERFACE;
 462 }
 463
 464 static ULONG WINAPI
 465 TMProxyImpl_AddRef(LPRPCPROXYBUFFER iface)
 466 {
 467     TMProxyImpl *This = impl_from_IRpcProxyBuffer( iface );
 468     ULONG refCount = InterlockedIncrement(&This->ref);
 469
 470     TRACE("(%p)->(ref before=%u)\n",This, refCount - 1);
 471
 472     return refCount;
 473 }
 474
 475 static ULONG WINAPI
 476 TMProxyImpl_Release(LPRPCPROXYBUFFER iface)
 477 {
 478     TMProxyImpl *This = impl_from_IRpcProxyBuffer( iface );
 479     ULONG refCount = InterlockedDecrement(&This->ref);
 480
 481     TRACE("(%p)->(ref before=%u)\n",This, refCount + 1);
 482
 483     if (!refCount)
 484     {
 485         if (This->dispatch_proxy) IRpcProxyBuffer_Release(This->dispatch_proxy);
 486         This->crit.DebugInfo->Spare[0] = 0;
 487         DeleteCriticalSection(&This->crit);
 488         if (This->chanbuf) IRpcChannelBuffer_Release(This->chanbuf);
 489         VirtualFree(This->asmstubs, 0, MEM_RELEASE);
 490         HeapFree(GetProcessHeap(), 0, This->lpvtbl);
 491         ITypeInfo_Release(This->tinfo);
 492         CoTaskMemFree(This);
 493     }
 494     return refCount;
 495 }
 496
 497 static HRESULT WINAPI
 498 TMProxyImpl_Connect(
 499     LPRPCPROXYBUFFER iface,IRpcChannelBuffer* pRpcChannelBuffer)
 500 {
 501     TMProxyImpl *This = impl_from_IRpcProxyBuffer( iface );
 502
 503     TRACE("(%p)\n", pRpcChannelBuffer);
 504
 505     EnterCriticalSection(&This->crit);
 506
 507     IRpcChannelBuffer_AddRef(pRpcChannelBuffer);
 508     This->chanbuf = pRpcChannelBuffer;
 509
 510     LeaveCriticalSection(&This->crit);
 511
 512     if (This->dispatch_proxy)
 513     {
 514         IRpcChannelBuffer *pDelegateChannel;
 515         HRESULT hr = TMarshalDispatchChannel_Create(pRpcChannelBuffer, &This->iid, &pDelegateChannel);
 516         if (FAILED(hr))
 517             return hr;
 518         hr = IRpcProxyBuffer_Connect(This->dispatch_proxy, pDelegateChannel);
 519         IRpcChannelBuffer_Release(pDelegateChannel);
 520         return hr;
 521     }
 522
 523     return S_OK;
 524 }
 525
 526 static void WINAPI
 527 TMProxyImpl_Disconnect(LPRPCPROXYBUFFER iface)
 528 {
 529     TMProxyImpl *This = impl_from_IRpcProxyBuffer( iface );
 530
 531     TRACE("()\n");
 532
 533     EnterCriticalSection(&This->crit);
 534
 535     IRpcChannelBuffer_Release(This->chanbuf);
 536     This->chanbuf = NULL;
 537
 538     LeaveCriticalSection(&This->crit);
 539
 540     if (This->dispatch_proxy)
 541         IRpcProxyBuffer_Disconnect(This->dispatch_proxy);
 542 }
 543
 544
 545 static const IRpcProxyBufferVtbl tmproxyvtable = {
 546     TMProxyImpl_QueryInterface,
 547     TMProxyImpl_AddRef,
 548     TMProxyImpl_Release,
 549     TMProxyImpl_Connect,
 550     TMProxyImpl_Disconnect
 551 };
 552
 553 /* how much space do we use on stack in DWORD steps. */
 554 static int
 555 _argsize(TYPEDESC *tdesc, ITypeInfo *tinfo) {
 556     switch (tdesc->vt) {
 557     case VT_I8:
 558     case VT_UI8:
 559         return 8/sizeof(DWORD);
 560     case VT_R8:
 561         return sizeof(double)/sizeof(DWORD);
 562     case VT_CY:
 563         return sizeof(CY)/sizeof(DWORD);
 564     case VT_DATE:
 565         return sizeof(DATE)/sizeof(DWORD);
 566     case VT_DECIMAL:
 567         return (sizeof(DECIMAL)+3)/sizeof(DWORD);
 568     case VT_VARIANT:
 569         return (sizeof(VARIANT)+3)/sizeof(DWORD);
 570     case VT_USERDEFINED:
 571     {
 572         ITypeInfo *tinfo2;
 573         TYPEATTR *tattr;
 574         HRESULT hres;
 575         DWORD ret;
 576
 577         hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.hreftype,&tinfo2);
 578         if (FAILED(hres))
 579             return 0; /* should fail critically in serialize_param */
 580         ITypeInfo_GetTypeAttr(tinfo2,&tattr);
 581         ret = (tattr->cbSizeInstance+3)/sizeof(DWORD);
 582         ITypeInfo_ReleaseTypeAttr(tinfo2, tattr);
 583         ITypeInfo_Release(tinfo2);
 584         return ret;
 585     }
 586     default:
 587         return 1;
 588     }
 589 }
 590
 591 /* how much space do we use on the heap (in bytes) */
 592 static int
 593 _xsize(const TYPEDESC *td, ITypeInfo *tinfo) {
 594     switch (td->vt) {
 595     case VT_DATE:
 596         return sizeof(DATE);
 597     case VT_CY:
 598         return sizeof(CY);
 599     case VT_VARIANT:
 600         return sizeof(VARIANT);
 601     case VT_CARRAY: {
 602         int i, arrsize = 1;
 603         const ARRAYDESC *adesc = td->u.lpadesc;
 604
 605         for (i=0;i<adesc->cDims;i++)
 606             arrsize *= adesc->rgbounds[i].cElements;
 607         return arrsize*_xsize(&adesc->tdescElem, tinfo);
 608     }
 609     case VT_UI8:
 610     case VT_I8:
 611     case VT_R8:
 612         return 8;
 613     case VT_UI2:
 614     case VT_I2:
 615     case VT_BOOL:
 616         return 2;
 617     case VT_UI1:
 618     case VT_I1:
 619         return 1;
 620     case VT_USERDEFINED:
 621     {
 622         ITypeInfo *tinfo2;
 623         TYPEATTR *tattr;
 624         HRESULT hres;
 625         DWORD ret;
 626
 627         hres = ITypeInfo_GetRefTypeInfo(tinfo,td->u.hreftype,&tinfo2);
 628         if (FAILED(hres))
 629             return 0;
 630         ITypeInfo_GetTypeAttr(tinfo2,&tattr);
 631         ret = tattr->cbSizeInstance;
 632         ITypeInfo_ReleaseTypeAttr(tinfo2, tattr);
 633         ITypeInfo_Release(tinfo2);
 634         return ret;
 635     }
 636     default:
 637         return 4;
 638     }
 639 }
 640
 641 /* Whether we pass this type by reference or by value */
 642 static int
 643 _passbyref(const TYPEDESC *td, ITypeInfo *tinfo) {
 644     if (td->vt == VT_USERDEFINED ||
 645         td->vt == VT_VARIANT     ||
 646         td->vt == VT_PTR)
 647         return 1;
 648
 649     return 0;
 650 }
 651
 652 static HRESULT
 653 serialize_param(
 654     ITypeInfo           *tinfo,
 655     BOOL                writeit,
 656     BOOL                debugout,
 657     BOOL                dealloc,
 658     TYPEDESC            *tdesc,
 659     DWORD               *arg,
 660     marshal_state       *buf)
 661 {
 662     HRESULT hres = S_OK;
 663     VARTYPE vartype;
 664
 665     TRACE("(tdesc.vt %s)\n",debugstr_vt(tdesc->vt));
 666
 667     vartype = tdesc->vt;
 668     if ((vartype & 0xf000) == VT_ARRAY)
 669         vartype = VT_SAFEARRAY;
 670
 671     switch (vartype) {
 672     case VT_DATE:
 673     case VT_I8:
 674     case VT_UI8:
 675     case VT_R8:
 676     case VT_CY:
 677         hres = S_OK;
 678         if (debugout) TRACE_(olerelay)("%x%x\n",arg[0],arg[1]);
 679         if (writeit)
 680             hres = xbuf_add(buf,(LPBYTE)arg,8);
 681         return hres;
 682     case VT_ERROR:
 683     case VT_INT:
 684     case VT_UINT:
 685     case VT_I4:
 686     case VT_R4:
 687     case VT_UI4:
 688         hres = S_OK;
 689         if (debugout) TRACE_(olerelay)("%x\n",*arg);
 690         if (writeit)
 691             hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
 692         return hres;
 693     case VT_I2:
 694     case VT_UI2:
 695     case VT_BOOL:
 696         hres = S_OK;
 697         if (debugout) TRACE_(olerelay)("%04x\n",*arg & 0xffff);
 698         if (writeit)
 699             hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
 700         return hres;
 701     case VT_I1:
 702     case VT_UI1:
 703         hres = S_OK;
 704         if (debugout) TRACE_(olerelay)("%02x\n",*arg & 0xff);
 705         if (writeit)
 706             hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
 707         return hres;
 708     case VT_VARIANT: {
 709         if (debugout) TRACE_(olerelay)("Vt(%s%s)(",debugstr_vt(V_VT((VARIANT *)arg)),debugstr_vf(V_VT((VARIANT *)arg)));
 710         if (writeit)
 711         {
 712             ULONG flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
 713             ULONG size = VARIANT_UserSize(&flags, buf->curoff, (VARIANT *)arg);
 714             xbuf_resize(buf, size);
 715             VARIANT_UserMarshal(&flags, buf->base + buf->curoff, (VARIANT *)arg);
 716             buf->curoff = size;
 717         }
 718         if (dealloc)
 719         {
 720             ULONG flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
 721             VARIANT_UserFree(&flags, (VARIANT *)arg);
 722         }
 723         return S_OK;
 724     }
 725     case VT_BSTR: {
 726         if (writeit && debugout) {
 727             if (*arg)
 728                    TRACE_(olerelay)("%s",relaystr((WCHAR*)*arg));
 729             else
 730                     TRACE_(olerelay)("<bstr NULL>");
 731         }
 732         if (writeit)
 733         {
 734             ULONG flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
 735             ULONG size = BSTR_UserSize(&flags, buf->curoff, (BSTR *)arg);
 736             xbuf_resize(buf, size);
 737             BSTR_UserMarshal(&flags, buf->base + buf->curoff, (BSTR *)arg);
 738             buf->curoff = size;
 739         }
 740         if (dealloc)
 741         {
 742             ULONG flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
 743             BSTR_UserFree(&flags, (BSTR *)arg);
 744         }
 745         return S_OK;
 746     }
 747     case VT_PTR: {
 748         DWORD cookie;
 749         BOOL        derefhere = TRUE;
 750
 751         if (tdesc->u.lptdesc->vt == VT_USERDEFINED) {
 752             ITypeInfo   *tinfo2;
 753             TYPEATTR    *tattr;
 754
 755             hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.lptdesc->u.hreftype,&tinfo2);
 756             if (hres) {
 757                 ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.lptdesc->u.hreftype);
 758                 return hres;
 759             }
 760             ITypeInfo_GetTypeAttr(tinfo2,&tattr);
 761             switch (tattr->typekind) {
 762             case TKIND_ALIAS:
 763                 if (tattr->tdescAlias.vt == VT_USERDEFINED)
 764                 {
 765                     DWORD href = tattr->tdescAlias.u.hreftype;
 766                     ITypeInfo_ReleaseTypeAttr(tinfo, tattr);
 767                     ITypeInfo_Release(tinfo2);
 768                     hres = ITypeInfo_GetRefTypeInfo(tinfo,href,&tinfo2);
 769                     if (hres) {
 770                         ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.lptdesc->u.hreftype);
 771                         return hres;
 772                     }
 773                     ITypeInfo_GetTypeAttr(tinfo2,&tattr);
 774                     derefhere = (tattr->typekind != TKIND_DISPATCH && tattr->typekind != TKIND_INTERFACE);
 775                 }
 776                 break;
 777             case TKIND_ENUM:    /* confirmed */
 778             case TKIND_RECORD:  /* FIXME: mostly untested */
 779                 break;
 780             case TKIND_DISPATCH:        /* will be done in VT_USERDEFINED case */
 781             case TKIND_INTERFACE:       /* will be done in VT_USERDEFINED case */
 782                 derefhere=FALSE;
 783                 break;
 784             default:
 785                 FIXME("unhandled switch cases tattr->typekind %d\n", tattr->typekind);
 786                 derefhere=FALSE;
 787                 break;
 788             }
 789             ITypeInfo_ReleaseTypeAttr(tinfo, tattr);
 790             ITypeInfo_Release(tinfo2);
 791         }
 792
 793         if (debugout) TRACE_(olerelay)("*");
 794         /* Write always, so the other side knows when it gets a NULL pointer.
 795          */
 796         cookie = *arg ? 0x42424242 : 0;
 797         hres = xbuf_add(buf,(LPBYTE)&cookie,sizeof(cookie));
 798         if (hres)
 799             return hres;
 800         if (!*arg) {
 801             if (debugout) TRACE_(olerelay)("NULL");
 802             return S_OK;
 803         }
 804         hres = serialize_param(tinfo,writeit,debugout,dealloc,tdesc->u.lptdesc,(DWORD*)*arg,buf);
 805         if (derefhere && dealloc) HeapFree(GetProcessHeap(),0,(LPVOID)*arg);
 806         return hres;
 807     }
 808     case VT_UNKNOWN:
 809         if (debugout) TRACE_(olerelay)("unk(0x%x)",*arg);
 810         if (writeit)
 811             hres = _marshal_interface(buf,&IID_IUnknown,(LPUNKNOWN)*arg);
 812         if (dealloc && *(IUnknown **)arg)
 813             IUnknown_Release((LPUNKNOWN)*arg);
 814         return hres;
 815     case VT_DISPATCH:
 816         if (debugout) TRACE_(olerelay)("idisp(0x%x)",*arg);
 817         if (writeit)
 818             hres = _marshal_interface(buf,&IID_IDispatch,(LPUNKNOWN)*arg);
 819         if (dealloc && *(IUnknown **)arg)
 820             IUnknown_Release((LPUNKNOWN)*arg);
 821         return hres;
 822     case VT_VOID:
 823         if (debugout) TRACE_(olerelay)("<void>");
 824         return S_OK;
 825     case VT_USERDEFINED: {
 826         ITypeInfo       *tinfo2;
 827         TYPEATTR        *tattr;
 828
 829         hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.hreftype,&tinfo2);
 830         if (hres) {
 831             ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.hreftype);
 832             return hres;
 833         }
 834         ITypeInfo_GetTypeAttr(tinfo2,&tattr);
 835         switch (tattr->typekind) {
 836         case TKIND_DISPATCH:
 837         case TKIND_INTERFACE:
 838             if (writeit)
 839                hres=_marshal_interface(buf,&(tattr->guid),(LPUNKNOWN)arg);
 840             if (dealloc)
 841                 IUnknown_Release((LPUNKNOWN)arg);
 842             break;
 843         case TKIND_RECORD: {
 844             int i;
 845             if (debugout) TRACE_(olerelay)("{");
 846             for (i=0;i<tattr->cVars;i++) {
 847                 VARDESC *vdesc;
 848                 ELEMDESC *elem2;
 849                 TYPEDESC *tdesc2;
 850
 851                 hres = ITypeInfo_GetVarDesc(tinfo2, i, &vdesc);
 852                 if (hres) {
 853                     ERR("Could not get vardesc of %d\n",i);
 854                     return hres;
 855                 }
 856                 elem2 = &vdesc->elemdescVar;
 857                 tdesc2 = &elem2->tdesc;
 858                 hres = serialize_param(
 859                     tinfo2,
 860                     writeit,
 861                     debugout,
 862                     dealloc,
 863                     tdesc2,
 864                     (DWORD*)(((LPBYTE)arg)+vdesc->u.oInst),
 865                     buf
 866                 );
 867                 ITypeInfo_ReleaseVarDesc(tinfo2, vdesc);
 868                 if (hres!=S_OK)
 869                     return hres;
 870                 if (debugout && (i<(tattr->cVars-1)))
 871                     TRACE_(olerelay)(",");
 872             }
 873             if (debugout) TRACE_(olerelay)("}");
 874             break;
 875         }
 876         case TKIND_ALIAS:
 877             hres = serialize_param(tinfo2,writeit,debugout,dealloc,&tattr->tdescAlias,arg,buf);
 878             break;
 879         case TKIND_ENUM:
 880             hres = S_OK;
 881             if (debugout) TRACE_(olerelay)("%x",*arg);
 882             if (writeit)
 883                 hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
 884             break;
 885         default:
 886             FIXME("Unhandled typekind %d\n",tattr->typekind);
 887             hres = E_FAIL;
 888             break;
 889         }
 890         ITypeInfo_ReleaseTypeAttr(tinfo2, tattr);
 891         ITypeInfo_Release(tinfo2);
 892         return hres;
 893     }
 894     case VT_CARRAY: {
 895         ARRAYDESC *adesc = tdesc->u.lpadesc;
 896         int i, arrsize = 1;
 897
 898         if (debugout) TRACE_(olerelay)("carr");
 899         for (i=0;i<adesc->cDims;i++) {
 900             if (debugout) TRACE_(olerelay)("[%d]",adesc->rgbounds[i].cElements);
 901             arrsize *= adesc->rgbounds[i].cElements;
 902         }
 903         if (debugout) TRACE_(olerelay)("(vt %s)",debugstr_vt(adesc->tdescElem.vt));
 904         if (debugout) TRACE_(olerelay)("[");
 905         for (i=0;i<arrsize;i++) {
 906             LPBYTE base = _passbyref(&adesc->tdescElem, tinfo) ? (LPBYTE) *arg : (LPBYTE) arg;
 907             hres = serialize_param(tinfo, writeit, debugout, dealloc, &adesc->tdescElem, (DWORD*)((LPBYTE)base+i*_xsize(&adesc->tdescElem, tinfo)), buf);
 908             if (hres)
 909                 return hres;
 910             if (debugout && (i<arrsize-1)) TRACE_(olerelay)(",");
 911         }
 912         if (debugout) TRACE_(olerelay)("]");
 913         if (dealloc)
 914             HeapFree(GetProcessHeap(), 0, *(void **)arg);
 915         return S_OK;
 916     }
 917     case VT_SAFEARRAY: {
 918         if (writeit)
 919         {
 920             ULONG flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
 921             ULONG size = LPSAFEARRAY_UserSize(&flags, buf->curoff, (LPSAFEARRAY *)arg);
 922             xbuf_resize(buf, size);
 923             LPSAFEARRAY_UserMarshal(&flags, buf->base + buf->curoff, (LPSAFEARRAY *)arg);
 924             buf->curoff = size;
 925         }
 926         if (dealloc)
 927         {
 928             ULONG flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
 929             LPSAFEARRAY_UserFree(&flags, (LPSAFEARRAY *)arg);
 930         }
 931         return S_OK;
 932     }
 933     default:
 934         ERR("Unhandled marshal type %d.\n",tdesc->vt);
 935         return S_OK;
 936     }
 937 }
 938
 939 static HRESULT
 940 deserialize_param(
 941     ITypeInfo           *tinfo,
 942     BOOL                readit,
 943     BOOL                debugout,
 944     BOOL                alloc,
 945     TYPEDESC            *tdesc,
 946     DWORD               *arg,
 947     marshal_state       *buf)
 948 {
 949     HRESULT hres = S_OK;
 950     VARTYPE vartype;
 951
 952     TRACE("vt %s at %p\n",debugstr_vt(tdesc->vt),arg);
 953
 954     vartype = tdesc->vt;
 955     if ((vartype & 0xf000) == VT_ARRAY)
 956         vartype = VT_SAFEARRAY;
 957
 958     while (1) {
 959         switch (vartype) {
 960         case VT_VARIANT: {
 961             if (readit)
 962             {
 963                 ULONG flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
 964                 unsigned char *buffer;
 965                 buffer = VARIANT_UserUnmarshal(&flags, buf->base + buf->curoff, (VARIANT *)arg);
 966                 buf->curoff = buffer - buf->base;
 967             }
 968             return S_OK;
 969         }
 970         case VT_DATE:
 971         case VT_I8:
 972         case VT_UI8:
 973         case VT_R8:
 974         case VT_CY:
 975             if (readit) {
 976                 hres = xbuf_get(buf,(LPBYTE)arg,8);
 977                 if (hres) ERR("Failed to read integer 8 byte\n");
 978             }
 979             if (debugout) TRACE_(olerelay)("%x%x",arg[0],arg[1]);
 980             return hres;
 981         case VT_ERROR:
 982         case VT_I4:
 983         case VT_INT:
 984         case VT_UINT:
 985         case VT_R4:
 986         case VT_UI4:
 987             if (readit) {
 988                 hres = xbuf_get(buf,(LPBYTE)arg,sizeof(DWORD));
 989                 if (hres) ERR("Failed to read integer 4 byte\n");
 990             }
 991             if (debugout) TRACE_(olerelay)("%x",*arg);
 992             return hres;
 993         case VT_I2:
 994         case VT_UI2:
 995         case VT_BOOL:
 996             if (readit) {
 997                 DWORD x;
 998                 hres = xbuf_get(buf,(LPBYTE)&x,sizeof(DWORD));
 999                 if (hres) ERR("Failed to read integer 4 byte\n");
1000                 memcpy(arg,&x,2);
1001             }
1002             if (debugout) TRACE_(olerelay)("%04x",*arg & 0xffff);
1003             return hres;
1004         case VT_I1:
1005         case VT_UI1:
1006             if (readit) {
1007                 DWORD x;
1008                 hres = xbuf_get(buf,(LPBYTE)&x,sizeof(DWORD));
1009                 if (hres) ERR("Failed to read integer 4 byte\n");
1010                 memcpy(arg,&x,1);
1011             }
1012             if (debugout) TRACE_(olerelay)("%02x",*arg & 0xff);
1013             return hres;
1014         case VT_BSTR: {
1015             if (readit)
1016             {
1017                 ULONG flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
1018                 unsigned char *buffer;
1019                 buffer = BSTR_UserUnmarshal(&flags, buf->base + buf->curoff, (BSTR *)arg);
1020                 buf->curoff = buffer - buf->base;
1021                 if (debugout) TRACE_(olerelay)("%s",debugstr_w(*(BSTR *)arg));
1022             }
1023             return S_OK;
1024         }
1025         case VT_PTR: {
1026             DWORD       cookie;
1027             BOOL        derefhere = TRUE;
1028
1029             if (tdesc->u.lptdesc->vt == VT_USERDEFINED) {
1030                 ITypeInfo       *tinfo2;
1031                 TYPEATTR        *tattr;
1032
1033                 hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.lptdesc->u.hreftype,&tinfo2);
1034                 if (hres) {
1035                     ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.lptdesc->u.hreftype);
1036                     return hres;
1037                 }
1038                 ITypeInfo_GetTypeAttr(tinfo2,&tattr);
1039                 switch (tattr->typekind) {
1040                 case TKIND_ALIAS:
1041                     if (tattr->tdescAlias.vt == VT_USERDEFINED)
1042                     {
1043                         DWORD href = tattr->tdescAlias.u.hreftype;
1044                         ITypeInfo_ReleaseTypeAttr(tinfo, tattr);
1045                         ITypeInfo_Release(tinfo2);
1046                         hres = ITypeInfo_GetRefTypeInfo(tinfo,href,&tinfo2);
1047                         if (hres) {
1048                             ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.lptdesc->u.hreftype);
1049                             return hres;
1050                         }
1051                         ITypeInfo_GetTypeAttr(tinfo2,&tattr);
1052                         derefhere = (tattr->typekind != TKIND_DISPATCH && tattr->typekind != TKIND_INTERFACE);
1053                     }
1054                     break;
1055                 case TKIND_ENUM:        /* confirmed */
1056                 case TKIND_RECORD:      /* FIXME: mostly untested */
1057                     break;
1058                 case TKIND_DISPATCH:    /* will be done in VT_USERDEFINED case */
1059                 case TKIND_INTERFACE:   /* will be done in VT_USERDEFINED case */
1060                     derefhere=FALSE;
1061                     break;
1062                 default:
1063                     FIXME("unhandled switch cases tattr->typekind %d\n", tattr->typekind);
1064                     derefhere=FALSE;
1065                     break;
1066                 }
1067                 ITypeInfo_ReleaseTypeAttr(tinfo2, tattr);
1068                 ITypeInfo_Release(tinfo2);
1069             }
1070             /* read it in all cases, we need to know if we have
1071              * NULL pointer or not.
1072              */
1073             hres = xbuf_get(buf,(LPBYTE)&cookie,sizeof(cookie));
1074             if (hres) {
1075                 ERR("Failed to load pointer cookie.\n");
1076                 return hres;
1077             }
1078             if (cookie != 0x42424242) {
1079                 /* we read a NULL ptr from the remote side */
1080                 if (debugout) TRACE_(olerelay)("NULL");
1081                 *arg = 0;
1082                 return S_OK;
1083             }
1084             if (debugout) TRACE_(olerelay)("*");
1085             if (alloc) {
1086                 /* Allocate space for the referenced struct */
1087                 if (derefhere)
1088                     *arg=(DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,_xsize(tdesc->u.lptdesc, tinfo));
1089             }
1090             if (derefhere)
1091                 return deserialize_param(tinfo, readit, debugout, alloc, tdesc->u.lptdesc, (LPDWORD)*arg, buf);
1092             else
1093                 return deserialize_param(tinfo, readit, debugout, alloc, tdesc->u.lptdesc, arg, buf);
1094         }
1095         case VT_UNKNOWN:
1096             /* FIXME: UNKNOWN is unknown ..., but allocate 4 byte for it */
1097             if (alloc)
1098                 *arg=(DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(DWORD));
1099             hres = S_OK;
1100             if (readit)
1101                 hres = _unmarshal_interface(buf,&IID_IUnknown,(LPUNKNOWN*)arg);
1102             if (debugout)
1103                 TRACE_(olerelay)("unk(%p)",arg);
1104             return hres;
1105         case VT_DISPATCH:
1106             hres = S_OK;
1107             if (readit)
1108                 hres = _unmarshal_interface(buf,&IID_IDispatch,(LPUNKNOWN*)arg);
1109             if (debugout)
1110                 TRACE_(olerelay)("idisp(%p)",arg);
1111             return hres;
1112         case VT_VOID:
1113             if (debugout) TRACE_(olerelay)("<void>");
1114             return S_OK;
1115         case VT_USERDEFINED: {
1116             ITypeInfo   *tinfo2;
1117             TYPEATTR    *tattr;
1118
1119             hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.hreftype,&tinfo2);
1120             if (hres) {
1121                 ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.hreftype);
1122                 return hres;
1123             }
1124             hres = ITypeInfo_GetTypeAttr(tinfo2,&tattr);
1125             if (hres) {
1126                 ERR("Could not get typeattr in VT_USERDEFINED.\n");
1127             } else {
1128                 switch (tattr->typekind) {
1129                 case TKIND_DISPATCH:
1130                 case TKIND_INTERFACE:
1131                     if (readit)
1132                         hres = _unmarshal_interface(buf,&(tattr->guid),(LPUNKNOWN*)arg);
1133                     break;
1134                 case TKIND_RECORD: {
1135                     int i;
1136
1137                     if (debugout) TRACE_(olerelay)("{");
1138                     for (i=0;i<tattr->cVars;i++) {
1139                         VARDESC *vdesc;
1140
1141                         hres = ITypeInfo_GetVarDesc(tinfo2, i, &vdesc);
1142                         if (hres) {
1143                             ERR("Could not get vardesc of %d\n",i);
1144                             ITypeInfo_ReleaseTypeAttr(tinfo2, tattr);
1145                             ITypeInfo_Release(tinfo2);
1146                             return hres;
1147                         }
1148                         hres = deserialize_param(
1149                             tinfo2,
1150                             readit,
1151                             debugout,
1152                             alloc,
1153                             &vdesc->elemdescVar.tdesc,
1154                             (DWORD*)(((LPBYTE)arg)+vdesc->u.oInst),
1155                             buf
1156                         );
1157                         ITypeInfo_ReleaseVarDesc(tinfo2, vdesc);
1158                         if (debugout && (i<tattr->cVars-1)) TRACE_(olerelay)(",");
1159                     }
1160                     if (debugout) TRACE_(olerelay)("}");
1161                     break;
1162                 }
1163                 case TKIND_ALIAS:
1164                     hres = deserialize_param(tinfo2,readit,debugout,alloc,&tattr->tdescAlias,arg,buf);
1165                     break;
1166                 case TKIND_ENUM:
1167                     if (readit) {
1168                         hres = xbuf_get(buf,(LPBYTE)arg,sizeof(DWORD));
1169                         if (hres) ERR("Failed to read enum (4 byte)\n");
1170                     }
1171                     if (debugout) TRACE_(olerelay)("%x",*arg);
1172                     break;
1173                 default:
1174                     ERR("Unhandled typekind %d\n",tattr->typekind);
1175                     hres = E_FAIL;
1176                     break;
1177                 }
1178                 ITypeInfo_ReleaseTypeAttr(tinfo2, tattr);
1179             }
1180             if (hres)
1181                 ERR("failed to stuballoc in TKIND_RECORD.\n");
1182             ITypeInfo_Release(tinfo2);
1183             return hres;
1184         }
1185         case VT_CARRAY: {
1186             /* arg is pointing to the start of the array. */
1187             LPBYTE base = (LPBYTE) arg;
1188             ARRAYDESC *adesc = tdesc->u.lpadesc;
1189             int         arrsize,i;
1190             arrsize = 1;
1191             if (adesc->cDims > 1) FIXME("cDims > 1 in VT_CARRAY. Does it work?\n");
1192             for (i=0;i<adesc->cDims;i++)
1193                 arrsize *= adesc->rgbounds[i].cElements;
1194             if (_passbyref(&adesc->tdescElem, tinfo))
1195             {
1196                 base = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,_xsize(tdesc->u.lptdesc, tinfo) * arrsize);
1197                 *arg = (DWORD) base;
1198             }
1199             for (i=0;i<arrsize;i++)
1200                 deserialize_param(
1201                     tinfo,
1202                     readit,
1203                     debugout,
1204                     alloc,
1205                     &adesc->tdescElem,
1206                     (DWORD*)(base + i*_xsize(&adesc->tdescElem, tinfo)),
1207                     buf
1208                 );
1209             return S_OK;
1210         }
1211     case VT_SAFEARRAY: {
1212             if (readit)
1213             {
1214                 ULONG flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
1215                 unsigned char *buffer;
1216                 buffer = LPSAFEARRAY_UserUnmarshal(&flags, buf->base + buf->curoff, (LPSAFEARRAY *)arg);
1217                 buf->curoff = buffer - buf->base;
1218             }
1219             return S_OK;
1220         }
1221         default:
1222             ERR("No handler for VT type %d!\n",tdesc->vt);
1223             return S_OK;
1224         }
1225     }
1226 }
1227
1228 /* Retrieves a function's funcdesc, searching back into inherited interfaces. */
1229 static HRESULT get_funcdesc(ITypeInfo *tinfo, int iMethod, ITypeInfo **tactual, const FUNCDESC **fdesc,
1230                             BSTR *iname, BSTR *fname, UINT *num)
1231 {
1232     HRESULT hr;
1233     UINT i, impl_types;
1234     UINT inherited_funcs = 0;
1235     TYPEATTR *attr;
1236
1237     if (fname) *fname = NULL;
1238     if (iname) *iname = NULL;
1239     if (num) *num = 0;
1240     *tactual = NULL;
1241
1242     hr = ITypeInfo_GetTypeAttr(tinfo, &attr);
1243     if (FAILED(hr))
1244     {
1245         ERR("GetTypeAttr failed with %x\n",hr);
1246         return hr;
1247     }
1248
1249     if(attr->typekind == TKIND_DISPATCH)
1250     {
1251         if(attr->wTypeFlags & TYPEFLAG_FDUAL)
1252         {
1253             HREFTYPE href;
1254             ITypeInfo *tinfo2;
1255
1256             hr = ITypeInfo_GetRefTypeOfImplType(tinfo, -1, &href);
1257             if(FAILED(hr))
1258             {
1259                 ERR("Cannot get interface href from dual dispinterface\n");
1260                 ITypeInfo_ReleaseTypeAttr(tinfo, attr);
1261                 return hr;
1262             }
1263             hr = ITypeInfo_GetRefTypeInfo(tinfo, href, &tinfo2);
1264             if(FAILED(hr))
1265             {
1266                 ERR("Cannot get interface from dual dispinterface\n");
1267                 ITypeInfo_ReleaseTypeAttr(tinfo, attr);
1268                 return hr;
1269             }
1270             hr = get_funcdesc(tinfo2, iMethod, tactual, fdesc, iname, fname, num);
1271             ITypeInfo_Release(tinfo2);
1272             ITypeInfo_ReleaseTypeAttr(tinfo, attr);
1273             return hr;
1274         }
1275         ERR("Shouldn't be called with a non-dual dispinterface\n");
1276         return E_FAIL;
1277     }
1278
1279     impl_types = attr->cImplTypes;
1280     ITypeInfo_ReleaseTypeAttr(tinfo, attr);
1281
1282     for (i = 0; i < impl_types; i++)
1283     {
1284         HREFTYPE href;
1285         ITypeInfo *pSubTypeInfo;
1286         UINT sub_funcs;
1287
1288         hr = ITypeInfo_GetRefTypeOfImplType(tinfo, i, &href);
1289         if (FAILED(hr)) return hr;
1290         hr = ITypeInfo_GetRefTypeInfo(tinfo, href, &pSubTypeInfo);
1291         if (FAILED(hr)) return hr;
1292
1293         hr = get_funcdesc(pSubTypeInfo, iMethod, tactual, fdesc, iname, fname, &sub_funcs);
1294         inherited_funcs += sub_funcs;
1295         ITypeInfo_Release(pSubTypeInfo);
1296         if(SUCCEEDED(hr)) return hr;
1297     }
1298     if(iMethod < inherited_funcs)
1299     {
1300         ERR("shouldn't be here\n");
1301         return E_INVALIDARG;
1302     }
1303
1304     for(i = inherited_funcs; i <= iMethod; i++)
1305     {
1306         hr = ITypeInfoImpl_GetInternalFuncDesc(tinfo, i - inherited_funcs, fdesc);
1307         if(FAILED(hr))
1308         {
1309             if(num) *num = i;
1310             return hr;
1311         }
1312     }
1313
1314     /* found it. We don't care about num so zero it */
1315     if(num) *num = 0;
1316     *tactual = tinfo;
1317     ITypeInfo_AddRef(*tactual);
1318     if (fname) ITypeInfo_GetDocumentation(tinfo,(*fdesc)->memid,fname,NULL,NULL,NULL);
1319     if (iname) ITypeInfo_GetDocumentation(tinfo,-1,iname,NULL,NULL,NULL);
1320     return S_OK;
1321 }
1322
1323 static inline BOOL is_in_elem(const ELEMDESC *elem)
1324 {
1325     return (elem->u.paramdesc.wParamFlags & PARAMFLAG_FIN || !elem->u.paramdesc.wParamFlags);
1326 }
1327
1328 static inline BOOL is_out_elem(const ELEMDESC *elem)
1329 {
1330     return (elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT || !elem->u.paramdesc.wParamFlags);
1331 }
1332
1333 static DWORD
1334 xCall(LPVOID retptr, int method, TMProxyImpl *tpinfo /*, args */)
1335 {
1336     DWORD               *args = ((DWORD*)&tpinfo)+1, *xargs;
1337     const FUNCDESC      *fdesc;
1338     HRESULT             hres;
1339     int                 i, relaydeb = TRACE_ON(olerelay);
1340     marshal_state       buf;
1341     RPCOLEMESSAGE       msg;
1342     ULONG               status;
1343     BSTR                fname,iname;
1344     BSTR                names[10];
1345     UINT                nrofnames;
1346     DWORD               remoteresult = 0;
1347     ITypeInfo           *tinfo;
1348     IRpcChannelBuffer *chanbuf;
1349
1350     EnterCriticalSection(&tpinfo->crit);
1351
1352     hres = get_funcdesc(tpinfo->tinfo,method,&tinfo,&fdesc,&iname,&fname,NULL);
1353     if (hres) {
1354         ERR("Did not find typeinfo/funcdesc entry for method %d!\n",method);
1355         LeaveCriticalSection(&tpinfo->crit);
1356         return E_FAIL;
1357     }
1358
1359     if (!tpinfo->chanbuf)
1360     {
1361         WARN("Tried to use disconnected proxy\n");
1362         ITypeInfo_Release(tinfo);
1363         LeaveCriticalSection(&tpinfo->crit);
1364         return RPC_E_DISCONNECTED;
1365     }
1366     chanbuf = tpinfo->chanbuf;
1367     IRpcChannelBuffer_AddRef(chanbuf);
1368
1369     LeaveCriticalSection(&tpinfo->crit);
1370
1371     if (relaydeb) {
1372        TRACE_(olerelay)("->");
1373         if (iname)
1374             TRACE_(olerelay)("%s:",relaystr(iname));
1375         if (fname)
1376             TRACE_(olerelay)("%s(%d)",relaystr(fname),method);
1377         else
1378             TRACE_(olerelay)("%d",method);
1379         TRACE_(olerelay)("(");
1380     }
1381
1382     SysFreeString(iname);
1383     SysFreeString(fname);
1384
1385     memset(&buf,0,sizeof(buf));
1386
1387     /* normal typelib driven serializing */
1388
1389     /* Need them for hack below */
1390     memset(names,0,sizeof(names));
1391     if (ITypeInfo_GetNames(tinfo,fdesc->memid,names,sizeof(names)/sizeof(names[0]),&nrofnames))
1392         nrofnames = 0;
1393     if (nrofnames > sizeof(names)/sizeof(names[0]))
1394         ERR("Need more names!\n");
1395
1396     xargs = args;
1397     for (i=0;i<fdesc->cParams;i++) {
1398         ELEMDESC        *elem = fdesc->lprgelemdescParam+i;
1399         if (relaydeb) {
1400             if (i) TRACE_(olerelay)(",");
1401             if (i+1<nrofnames && names[i+1])
1402                 TRACE_(olerelay)("%s=",relaystr(names[i+1]));
1403         }
1404         /* No need to marshal other data than FIN and any VT_PTR. */
1405         if (!is_in_elem(elem))
1406         {
1407             if (elem->tdesc.vt != VT_PTR)
1408             {
1409                 xargs+=_argsize(&elem->tdesc, tinfo);
1410                 if (relaydeb) TRACE_(olerelay)("[out]");
1411                 continue;
1412             }
1413             else
1414             {
1415                 memset( *(void **)xargs, 0, _xsize( elem->tdesc.u.lptdesc, tinfo ) );
1416             }
1417         }
1418
1419         hres = serialize_param(
1420             tinfo,
1421             is_in_elem(elem),
1422             relaydeb,
1423             FALSE,
1424             &elem->tdesc,
1425             xargs,
1426             &buf
1427         );
1428
1429         if (hres) {
1430             ERR("Failed to serialize param, hres %x\n",hres);
1431             break;
1432         }
1433         xargs+=_argsize(&elem->tdesc, tinfo);
1434     }
1435     if (relaydeb) TRACE_(olerelay)(")");
1436
1437     memset(&msg,0,sizeof(msg));
1438     msg.cbBuffer = buf.curoff;
1439     msg.iMethod  = method;
1440     hres = IRpcChannelBuffer_GetBuffer(chanbuf,&msg,&(tpinfo->iid));
1441     if (hres) {
1442         ERR("RpcChannelBuffer GetBuffer failed, %x\n",hres);
1443         goto exit;
1444     }
1445     memcpy(msg.Buffer,buf.base,buf.curoff);
1446     if (relaydeb) TRACE_(olerelay)("\n");
1447     hres = IRpcChannelBuffer_SendReceive(chanbuf,&msg,&status);
1448     if (hres) {
1449         ERR("RpcChannelBuffer SendReceive failed, %x\n",hres);
1450         goto exit;
1451     }
1452
1453     if (relaydeb) TRACE_(olerelay)(" status = %08x (",status);
1454     if (buf.base)
1455         buf.base = HeapReAlloc(GetProcessHeap(),0,buf.base,msg.cbBuffer);
1456     else
1457         buf.base = HeapAlloc(GetProcessHeap(),0,msg.cbBuffer);
1458     buf.size = msg.cbBuffer;
1459     memcpy(buf.base,msg.Buffer,buf.size);
1460     buf.curoff = 0;
1461
1462     /* generic deserializer using typelib description */
1463     xargs = args;
1464     status = S_OK;
1465     for (i=0;i<fdesc->cParams;i++) {
1466         ELEMDESC        *elem = fdesc->lprgelemdescParam+i;
1467
1468         if (relaydeb) {
1469             if (i) TRACE_(olerelay)(",");
1470             if (i+1<nrofnames && names[i+1]) TRACE_(olerelay)("%s=",relaystr(names[i+1]));
1471         }
1472         /* No need to marshal other data than FOUT and any VT_PTR */
1473         if (!is_out_elem(elem) && (elem->tdesc.vt != VT_PTR)) {
1474             xargs += _argsize(&elem->tdesc, tinfo);
1475             if (relaydeb) TRACE_(olerelay)("[in]");
1476             continue;
1477         }
1478         hres = deserialize_param(
1479             tinfo,
1480             is_out_elem(elem),
1481             relaydeb,
1482             FALSE,
1483             &(elem->tdesc),
1484             xargs,
1485             &buf
1486         );
1487         if (hres) {
1488             ERR("Failed to unmarshall param, hres %x\n",hres);
1489             status = hres;
1490             break;
1491         }
1492         xargs += _argsize(&elem->tdesc, tinfo);
1493     }
1494
1495     hres = xbuf_get(&buf, (LPBYTE)&remoteresult, sizeof(DWORD));
1496     if (hres != S_OK)
1497         goto exit;
1498     if (relaydeb) TRACE_(olerelay)(") = %08x\n", remoteresult);
1499
1500     hres = remoteresult;
1501
1502 exit:
1503     IRpcChannelBuffer_FreeBuffer(chanbuf,&msg);
1504     for (i = 0; i < nrofnames; i++)
1505         SysFreeString(names[i]);
1506     HeapFree(GetProcessHeap(),0,buf.base);
1507     IRpcChannelBuffer_Release(chanbuf);
1508     ITypeInfo_Release(tinfo);
1509     TRACE("-- 0x%08x\n", hres);
1510     return hres;
1511 }
1512
1513 static HRESULT WINAPI ProxyIUnknown_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
1514 {
1515     TMProxyImpl *proxy = (TMProxyImpl *)iface;
1516
1517     TRACE("(%s, %p)\n", debugstr_guid(riid), ppv);
1518
1519     if (proxy->outerunknown)
1520         return IUnknown_QueryInterface(proxy->outerunknown, riid, ppv);
1521
1522     FIXME("No interface\n");
1523     return E_NOINTERFACE;
1524 }
1525
1526 static ULONG WINAPI ProxyIUnknown_AddRef(IUnknown *iface)
1527 {
1528     TMProxyImpl *proxy = (TMProxyImpl *)iface;
1529
1530     TRACE("\n");
1531
1532     if (proxy->outerunknown)
1533         return IUnknown_AddRef(proxy->outerunknown);
1534
1535     return 2; /* FIXME */
1536 }
1537
1538 static ULONG WINAPI ProxyIUnknown_Release(IUnknown *iface)
1539 {
1540     TMProxyImpl *proxy = (TMProxyImpl *)iface;
1541
1542     TRACE("\n");
1543
1544     if (proxy->outerunknown)
1545         return IUnknown_Release(proxy->outerunknown);
1546
1547     return 1; /* FIXME */
1548 }
1549
1550 static HRESULT WINAPI ProxyIDispatch_GetTypeInfoCount(LPDISPATCH iface, UINT * pctinfo)
1551 {
1552     TMProxyImpl *This = (TMProxyImpl *)iface;
1553
1554     TRACE("(%p)\n", pctinfo);
1555
1556     return IDispatch_GetTypeInfoCount(This->dispatch, pctinfo);
1557 }
1558
1559 static HRESULT WINAPI ProxyIDispatch_GetTypeInfo(LPDISPATCH iface, UINT iTInfo, LCID lcid, ITypeInfo** ppTInfo)
1560 {
1561     TMProxyImpl *This = (TMProxyImpl *)iface;
1562
1563     TRACE("(%d, %x, %p)\n", iTInfo, lcid, ppTInfo);
1564
1565     return IDispatch_GetTypeInfo(This->dispatch, iTInfo, lcid, ppTInfo);
1566 }
1567
1568 static HRESULT WINAPI ProxyIDispatch_GetIDsOfNames(LPDISPATCH iface, REFIID riid, LPOLESTR * rgszNames, UINT cNames, LCID lcid, DISPID * rgDispId)
1569 {
1570     TMProxyImpl *This = (TMProxyImpl *)iface;
1571
1572     TRACE("(%s, %p, %d, 0x%x, %p)\n", debugstr_guid(riid), rgszNames, cNames, lcid, rgDispId);
1573
1574     return IDispatch_GetIDsOfNames(This->dispatch, riid, rgszNames,
1575                                    cNames, lcid, rgDispId);
1576 }
1577
1578 static HRESULT WINAPI ProxyIDispatch_Invoke(LPDISPATCH iface, DISPID dispIdMember, REFIID riid, LCID lcid,
1579                                             WORD wFlags, DISPPARAMS * pDispParams, VARIANT * pVarResult,
1580                                             EXCEPINFO * pExcepInfo, UINT * puArgErr)
1581 {
1582     TMProxyImpl *This = (TMProxyImpl *)iface;
1583
1584     TRACE("(%d, %s, 0x%x, 0x%x, %p, %p, %p, %p)\n", dispIdMember,
1585           debugstr_guid(riid), lcid, wFlags, pDispParams, pVarResult,
1586           pExcepInfo, puArgErr);
1587
1588     return IDispatch_Invoke(This->dispatch, dispIdMember, riid, lcid,
1589                             wFlags, pDispParams, pVarResult, pExcepInfo,
1590                             puArgErr);
1591 }
1592
1593 typedef struct
1594 {
1595     IRpcChannelBuffer     IRpcChannelBuffer_iface;
1596     LONG                  refs;
1597     /* the IDispatch-derived interface we are handling */
1598     IID                   tmarshal_iid;
1599     IRpcChannelBuffer    *pDelegateChannel;
1600 } TMarshalDispatchChannel;
1601
1602 static inline TMarshalDispatchChannel *impl_from_IRpcChannelBuffer(IRpcChannelBuffer *iface)
1603 {
1604     return CONTAINING_RECORD(iface, TMarshalDispatchChannel, IRpcChannelBuffer_iface);
1605 }
1606
1607 static HRESULT WINAPI TMarshalDispatchChannel_QueryInterface(IRpcChannelBuffer *iface, REFIID riid, LPVOID *ppv)
1608 {
1609     *ppv = NULL;
1610     if (IsEqualIID(riid,&IID_IRpcChannelBuffer) || IsEqualIID(riid,&IID_IUnknown))
1611     {
1612         *ppv = iface;
1613         IRpcChannelBuffer_AddRef(iface);
1614         return S_OK;
1615     }
1616     return E_NOINTERFACE;
1617 }
1618
1619 static ULONG WINAPI TMarshalDispatchChannel_AddRef(LPRPCCHANNELBUFFER iface)
1620 {
1621     TMarshalDispatchChannel *This = impl_from_IRpcChannelBuffer(iface);
1622     return InterlockedIncrement(&This->refs);
1623 }
1624
1625 static ULONG WINAPI TMarshalDispatchChannel_Release(LPRPCCHANNELBUFFER iface)
1626 {
1627     TMarshalDispatchChannel *This = impl_from_IRpcChannelBuffer(iface);
1628     ULONG ref;
1629
1630     ref = InterlockedDecrement(&This->refs);
1631     if (ref)
1632         return ref;
1633
1634         IRpcChannelBuffer_Release(This->pDelegateChannel);
1635     HeapFree(GetProcessHeap(), 0, This);
1636     return 0;
1637 }
1638
1639 static HRESULT WINAPI TMarshalDispatchChannel_GetBuffer(LPRPCCHANNELBUFFER iface, RPCOLEMESSAGE* olemsg, REFIID riid)
1640 {
1641     TMarshalDispatchChannel *This = impl_from_IRpcChannelBuffer(iface);
1642     TRACE("(%p, %s)\n", olemsg, debugstr_guid(riid));
1643     /* Note: we are pretending to invoke a method on the interface identified
1644      * by tmarshal_iid so that we can re-use the IDispatch proxy/stub code
1645      * without the RPC runtime getting confused by not exporting an IDispatch interface */
1646     return IRpcChannelBuffer_GetBuffer(This->pDelegateChannel, olemsg, &This->tmarshal_iid);
1647 }
1648
1649 static HRESULT WINAPI TMarshalDispatchChannel_SendReceive(LPRPCCHANNELBUFFER iface, RPCOLEMESSAGE *olemsg, ULONG *pstatus)
1650 {
1651     TMarshalDispatchChannel *This = impl_from_IRpcChannelBuffer(iface);
1652     TRACE("(%p, %p)\n", olemsg, pstatus);
1653     return IRpcChannelBuffer_SendReceive(This->pDelegateChannel, olemsg, pstatus);
1654 }
1655
1656 static HRESULT WINAPI TMarshalDispatchChannel_FreeBuffer(LPRPCCHANNELBUFFER iface, RPCOLEMESSAGE* olemsg)
1657 {
1658     TMarshalDispatchChannel *This = impl_from_IRpcChannelBuffer(iface);
1659     TRACE("(%p)\n", olemsg);
1660     return IRpcChannelBuffer_FreeBuffer(This->pDelegateChannel, olemsg);
1661 }
1662
1663 static HRESULT WINAPI TMarshalDispatchChannel_GetDestCtx(LPRPCCHANNELBUFFER iface, DWORD* pdwDestContext, void** ppvDestContext)
1664 {
1665     TMarshalDispatchChannel *This = impl_from_IRpcChannelBuffer(iface);
1666     TRACE("(%p,%p)\n", pdwDestContext, ppvDestContext);
1667     return IRpcChannelBuffer_GetDestCtx(This->pDelegateChannel, pdwDestContext, ppvDestContext);
1668 }
1669
1670 static HRESULT WINAPI TMarshalDispatchChannel_IsConnected(LPRPCCHANNELBUFFER iface)
1671 {
1672     TMarshalDispatchChannel *This = impl_from_IRpcChannelBuffer(iface);
1673     TRACE("()\n");
1674     return IRpcChannelBuffer_IsConnected(This->pDelegateChannel);
1675 }
1676
1677 static const IRpcChannelBufferVtbl TMarshalDispatchChannelVtbl =
1678 {
1679     TMarshalDispatchChannel_QueryInterface,
1680     TMarshalDispatchChannel_AddRef,
1681     TMarshalDispatchChannel_Release,
1682     TMarshalDispatchChannel_GetBuffer,
1683     TMarshalDispatchChannel_SendReceive,
1684     TMarshalDispatchChannel_FreeBuffer,
1685     TMarshalDispatchChannel_GetDestCtx,
1686     TMarshalDispatchChannel_IsConnected
1687 };
1688
1689 static HRESULT TMarshalDispatchChannel_Create(
1690     IRpcChannelBuffer *pDelegateChannel, REFIID tmarshal_riid,
1691     IRpcChannelBuffer **ppChannel)
1692 {
1693     TMarshalDispatchChannel *This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
1694     if (!This)
1695         return E_OUTOFMEMORY;
1696
1697     This->IRpcChannelBuffer_iface.lpVtbl = &TMarshalDispatchChannelVtbl;
1698     This->refs = 1;
1699     IRpcChannelBuffer_AddRef(pDelegateChannel);
1700     This->pDelegateChannel = pDelegateChannel;
1701     This->tmarshal_iid = *tmarshal_riid;
1702
1703     *ppChannel = &This->IRpcChannelBuffer_iface;
1704     return S_OK;
1705 }
1706
1707
1708 static inline HRESULT get_facbuf_for_iid(REFIID riid, IPSFactoryBuffer **facbuf)
1709 {
1710     HRESULT       hr;
1711     CLSID         clsid;
1712
1713     if ((hr = CoGetPSClsid(riid, &clsid)))
1714         return hr;
1715     return CoGetClassObject(&clsid, CLSCTX_INPROC_SERVER, NULL,
1716                              &IID_IPSFactoryBuffer, (LPVOID*)facbuf);
1717 }
1718
1719 static HRESULT init_proxy_entry_point(TMProxyImpl *proxy, unsigned int num)
1720 {
1721     int j;
1722     /* nrofargs without This */
1723     int nrofargs;
1724     ITypeInfo *tinfo2;
1725     TMAsmProxy  *xasm = proxy->asmstubs + num;
1726     HRESULT hres;
1727     const FUNCDESC *fdesc;
1728
1729     hres = get_funcdesc(proxy->tinfo, num, &tinfo2, &fdesc, NULL, NULL, NULL);
1730     if (hres) {
1731         ERR("GetFuncDesc %x should not fail here.\n",hres);
1732         return hres;
1733     }
1734     ITypeInfo_Release(tinfo2);
1735     /* some args take more than 4 byte on the stack */
1736     nrofargs = 0;
1737     for (j=0;j<fdesc->cParams;j++)
1738         nrofargs += _argsize(&fdesc->lprgelemdescParam[j].tdesc, proxy->tinfo);
1739
1740 #ifdef __i386__
1741     if (fdesc->callconv != CC_STDCALL) {
1742         ERR("calling convention is not stdcall????\n");
1743         return E_FAIL;
1744     }
1745 /* popl %eax    -       return ptr
1746  * pushl <nr>
1747  * pushl %eax
1748  * call xCall
1749  * lret <nr> (+4)
1750  *
1751  *
1752  * arg3 arg2 arg1 <method> <returnptr>
1753  */
1754     xasm->popleax       = 0x58;
1755     xasm->pushlval      = 0x68;
1756     xasm->nr            = num;
1757     xasm->pushleax      = 0x50;
1758     xasm->lcall         = 0xe8; /* relative jump */
1759     xasm->xcall         = (DWORD)xCall;
1760     xasm->xcall        -= (DWORD)&(xasm->lret);
1761     xasm->lret          = 0xc2;
1762     xasm->bytestopop    = (nrofargs+2)*4; /* pop args, This, iMethod */
1763     xasm->nop           = 0x90;
1764     proxy->lpvtbl[fdesc->oVft / sizeof(void *)] = xasm;
1765 #else
1766     FIXME("not implemented on non i386\n");
1767     return E_FAIL;
1768 #endif
1769     return S_OK;
1770 }
1771
1772 static HRESULT WINAPI
1773 PSFacBuf_CreateProxy(
1774     LPPSFACTORYBUFFER iface, IUnknown* pUnkOuter, REFIID riid,
1775     IRpcProxyBuffer **ppProxy, LPVOID *ppv)
1776 {
1777     HRESULT     hres;
1778     ITypeInfo   *tinfo;
1779     unsigned int i, nroffuncs, vtbl_size;
1780     TMProxyImpl *proxy;
1781     TYPEATTR    *typeattr;
1782     BOOL        defer_to_dispatch = FALSE;
1783
1784     TRACE("(...%s...)\n",debugstr_guid(riid));
1785     hres = _get_typeinfo_for_iid(riid,&tinfo);
1786     if (hres) {
1787         ERR("No typeinfo for %s?\n",debugstr_guid(riid));
1788         return hres;
1789     }
1790
1791     hres = num_of_funcs(tinfo, &nroffuncs, &vtbl_size);
1792     TRACE("Got %d funcs, vtbl size %d\n", nroffuncs, vtbl_size);
1793
1794     if (FAILED(hres)) {
1795         ERR("Cannot get number of functions for typeinfo %s\n",debugstr_guid(riid));
1796         ITypeInfo_Release(tinfo);
1797         return hres;
1798     }
1799
1800     proxy = CoTaskMemAlloc(sizeof(TMProxyImpl));
1801     if (!proxy) return E_OUTOFMEMORY;
1802
1803     assert(sizeof(TMAsmProxy) == 16);
1804
1805     proxy->dispatch = NULL;
1806     proxy->dispatch_proxy = NULL;
1807     proxy->outerunknown = pUnkOuter;
1808     proxy->asmstubs = VirtualAlloc(NULL, sizeof(TMAsmProxy) * nroffuncs, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
1809     if (!proxy->asmstubs) {
1810         ERR("Could not commit pages for proxy thunks\n");
1811         CoTaskMemFree(proxy);
1812         return E_OUTOFMEMORY;
1813     }
1814     proxy->IRpcProxyBuffer_iface.lpVtbl = &tmproxyvtable;
1815     /* one reference for the proxy */
1816     proxy->ref          = 1;
1817     proxy->tinfo        = tinfo;
1818     proxy->iid          = *riid;
1819     proxy->chanbuf      = 0;
1820
1821     InitializeCriticalSection(&proxy->crit);
1822     proxy->crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": TMProxyImpl.crit");
1823
1824     proxy->lpvtbl = HeapAlloc(GetProcessHeap(), 0, vtbl_size);
1825
1826     /* if we derive from IDispatch then defer to its proxy for its methods */
1827     hres = ITypeInfo_GetTypeAttr(tinfo, &typeattr);
1828     if (hres == S_OK)
1829     {
1830         if (typeattr->wTypeFlags & TYPEFLAG_FDISPATCHABLE)
1831         {
1832             IPSFactoryBuffer *factory_buffer;
1833             hres = get_facbuf_for_iid(&IID_IDispatch, &factory_buffer);
1834             if (hres == S_OK)
1835             {
1836                 hres = IPSFactoryBuffer_CreateProxy(factory_buffer, NULL,
1837                     &IID_IDispatch, &proxy->dispatch_proxy,
1838                     (void **)&proxy->dispatch);
1839                 IPSFactoryBuffer_Release(factory_buffer);
1840             }
1841             if ((hres == S_OK) && (nroffuncs < 7))
1842             {
1843                 ERR("nroffuncs calculated incorrectly (%d)\n", nroffuncs);
1844                 hres = E_UNEXPECTED;
1845             }
1846             if (hres == S_OK)
1847             {
1848                 defer_to_dispatch = TRUE;
1849             }
1850         }
1851         ITypeInfo_ReleaseTypeAttr(tinfo, typeattr);
1852     }
1853
1854     for (i=0;i<nroffuncs;i++) {
1855         switch (i) {
1856         case 0:
1857                 proxy->lpvtbl[i] = ProxyIUnknown_QueryInterface;
1858                 break;
1859         case 1:
1860                 proxy->lpvtbl[i] = ProxyIUnknown_AddRef;
1861                 break;
1862         case 2:
1863                 proxy->lpvtbl[i] = ProxyIUnknown_Release;
1864                 break;
1865         case 3:
1866                 if(!defer_to_dispatch)
1867                 {
1868                     hres = init_proxy_entry_point(proxy, i);
1869                     if(FAILED(hres)) return hres;
1870                 }
1871                 else proxy->lpvtbl[3] = ProxyIDispatch_GetTypeInfoCount;
1872                 break;
1873         case 4:
1874                 if(!defer_to_dispatch)
1875                 {
1876                     hres = init_proxy_entry_point(proxy, i);
1877                     if(FAILED(hres)) return hres;
1878                 }
1879                 else proxy->lpvtbl[4] = ProxyIDispatch_GetTypeInfo;
1880                 break;
1881         case 5:
1882                 if(!defer_to_dispatch)
1883                 {
1884                     hres = init_proxy_entry_point(proxy, i);
1885                     if(FAILED(hres)) return hres;
1886                 }
1887                 else proxy->lpvtbl[5] = ProxyIDispatch_GetIDsOfNames;
1888                 break;
1889         case 6:
1890                 if(!defer_to_dispatch)
1891                 {
1892                     hres = init_proxy_entry_point(proxy, i);
1893                     if(FAILED(hres)) return hres;
1894                 }
1895                 else proxy->lpvtbl[6] = ProxyIDispatch_Invoke;
1896                 break;
1897         default:
1898                 hres = init_proxy_entry_point(proxy, i);
1899                 if(FAILED(hres)) return hres;
1900         }
1901     }
1902
1903     if (hres == S_OK)
1904     {
1905         *ppv = proxy;
1906         *ppProxy = &proxy->IRpcProxyBuffer_iface;
1907         IUnknown_AddRef((IUnknown *)*ppv);
1908         return S_OK;
1909     }
1910     else
1911         TMProxyImpl_Release(&proxy->IRpcProxyBuffer_iface);
1912     return hres;
1913 }
1914
1915 typedef struct _TMStubImpl {
1916     IRpcStubBuffer              IRpcStubBuffer_iface;
1917     LONG                        ref;
1918
1919     LPUNKNOWN                   pUnk;
1920     ITypeInfo                   *tinfo;
1921     IID                         iid;
1922     IRpcStubBuffer              *dispatch_stub;
1923     BOOL                        dispatch_derivative;
1924 } TMStubImpl;
1925
1926 static inline TMStubImpl *impl_from_IRpcStubBuffer(IRpcStubBuffer *iface)
1927 {
1928     return CONTAINING_RECORD(iface, TMStubImpl, IRpcStubBuffer_iface);
1929 }
1930
1931 static HRESULT WINAPI
1932 TMStubImpl_QueryInterface(LPRPCSTUBBUFFER iface, REFIID riid, LPVOID *ppv)
1933 {
1934     if (IsEqualIID(riid,&IID_IRpcStubBuffer)||IsEqualIID(riid,&IID_IUnknown)){
1935         *ppv = iface;
1936         IRpcStubBuffer_AddRef(iface);
1937         return S_OK;
1938     }
1939     FIXME("%s, not supported IID.\n",debugstr_guid(riid));
1940     return E_NOINTERFACE;
1941 }
1942
1943 static ULONG WINAPI
1944 TMStubImpl_AddRef(LPRPCSTUBBUFFER iface)
1945 {
1946     TMStubImpl *This = impl_from_IRpcStubBuffer(iface);
1947     ULONG refCount = InterlockedIncrement(&This->ref);
1948
1949     TRACE("(%p)->(ref before=%u)\n", This, refCount - 1);
1950
1951     return refCount;
1952 }
1953
1954 static ULONG WINAPI
1955 TMStubImpl_Release(LPRPCSTUBBUFFER iface)
1956 {
1957     TMStubImpl *This = impl_from_IRpcStubBuffer(iface);
1958     ULONG refCount = InterlockedDecrement(&This->ref);
1959
1960     TRACE("(%p)->(ref before=%u)\n", This, refCount + 1);
1961
1962     if (!refCount)
1963     {
1964         IRpcStubBuffer_Disconnect(iface);
1965         ITypeInfo_Release(This->tinfo);
1966         if (This->dispatch_stub)
1967             IRpcStubBuffer_Release(This->dispatch_stub);
1968         CoTaskMemFree(This);
1969     }
1970     return refCount;
1971 }
1972
1973 static HRESULT WINAPI
1974 TMStubImpl_Connect(LPRPCSTUBBUFFER iface, LPUNKNOWN pUnkServer)
1975 {
1976     TMStubImpl *This = impl_from_IRpcStubBuffer(iface);
1977
1978     TRACE("(%p)->(%p)\n", This, pUnkServer);
1979
1980     IUnknown_AddRef(pUnkServer);
1981     This->pUnk = pUnkServer;
1982
1983     if (This->dispatch_stub)
1984         IRpcStubBuffer_Connect(This->dispatch_stub, pUnkServer);
1985
1986     return S_OK;
1987 }
1988
1989 static void WINAPI
1990 TMStubImpl_Disconnect(LPRPCSTUBBUFFER iface)
1991 {
1992     TMStubImpl *This = impl_from_IRpcStubBuffer(iface);
1993
1994     TRACE("(%p)->()\n", This);
1995
1996     if (This->pUnk)
1997     {
1998         IUnknown_Release(This->pUnk);
1999         This->pUnk = NULL;
2000     }
2001
2002     if (This->dispatch_stub)
2003         IRpcStubBuffer_Disconnect(This->dispatch_stub);
2004 }
2005
2006 static HRESULT WINAPI
2007 TMStubImpl_Invoke(
2008     LPRPCSTUBBUFFER iface, RPCOLEMESSAGE* xmsg,IRpcChannelBuffer*rpcchanbuf)
2009 {
2010 #ifdef __i386__
2011     int         i;
2012     const FUNCDESC *fdesc;
2013     TMStubImpl *This = impl_from_IRpcStubBuffer(iface);
2014     HRESULT     hres;
2015     DWORD       *args = NULL, res, *xargs, nrofargs;
2016     marshal_state       buf;
2017     UINT        nrofnames = 0;
2018     BSTR        names[10];
2019     BSTR        iname = NULL;
2020     ITypeInfo   *tinfo = NULL;
2021
2022     TRACE("...\n");
2023
2024     if (xmsg->iMethod < 3) {
2025         ERR("IUnknown methods cannot be marshaled by the typelib marshaler\n");
2026         return E_UNEXPECTED;
2027     }
2028
2029     if (This->dispatch_derivative && xmsg->iMethod < sizeof(IDispatchVtbl)/sizeof(void *))
2030     {
2031         if (!This->dispatch_stub)
2032         {
2033             IPSFactoryBuffer *factory_buffer;
2034             hres = get_facbuf_for_iid(&IID_IDispatch, &factory_buffer);
2035             if (hres == S_OK)
2036             {
2037                 hres = IPSFactoryBuffer_CreateStub(factory_buffer, &IID_IDispatch,
2038                     This->pUnk, &This->dispatch_stub);
2039                 IPSFactoryBuffer_Release(factory_buffer);
2040             }
2041             if (hres != S_OK)
2042                 return hres;
2043         }
2044         return IRpcStubBuffer_Invoke(This->dispatch_stub, xmsg, rpcchanbuf);
2045     }
2046
2047     memset(&buf,0,sizeof(buf));
2048     buf.size    = xmsg->cbBuffer;
2049     buf.base    = HeapAlloc(GetProcessHeap(), 0, xmsg->cbBuffer);
2050     memcpy(buf.base, xmsg->Buffer, xmsg->cbBuffer);
2051     buf.curoff  = 0;
2052
2053     hres = get_funcdesc(This->tinfo,xmsg->iMethod,&tinfo,&fdesc,&iname,NULL,NULL);
2054     if (hres) {
2055         ERR("GetFuncDesc on method %d failed with %x\n",xmsg->iMethod,hres);
2056         return hres;
2057     }
2058
2059     if (iname && !lstrcmpW(iname, IDispatchW))
2060     {
2061         ERR("IDispatch cannot be marshaled by the typelib marshaler\n");
2062         hres = E_UNEXPECTED;
2063         SysFreeString (iname);
2064         goto exit;
2065     }
2066
2067     SysFreeString (iname);
2068
2069     /* Need them for hack below */
2070     memset(names,0,sizeof(names));
2071     ITypeInfo_GetNames(tinfo,fdesc->memid,names,sizeof(names)/sizeof(names[0]),&nrofnames);
2072     if (nrofnames > sizeof(names)/sizeof(names[0])) {
2073         ERR("Need more names!\n");
2074     }
2075
2076     /*dump_FUNCDESC(fdesc);*/
2077     nrofargs = 0;
2078     for (i=0;i<fdesc->cParams;i++)
2079         nrofargs += _argsize(&fdesc->lprgelemdescParam[i].tdesc, tinfo);
2080     args = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,(nrofargs+1)*sizeof(DWORD));
2081     if (!args)
2082     {
2083         hres = E_OUTOFMEMORY;
2084         goto exit;
2085     }
2086
2087     /* Allocate all stuff used by call. */
2088     xargs = args+1;
2089     for (i=0;i<fdesc->cParams;i++) {
2090         ELEMDESC        *elem = fdesc->lprgelemdescParam+i;
2091
2092         hres = deserialize_param(
2093            tinfo,
2094            is_in_elem(elem),
2095            FALSE,
2096            TRUE,
2097            &(elem->tdesc),
2098            xargs,
2099            &buf
2100         );
2101         xargs += _argsize(&elem->tdesc, tinfo);
2102         if (hres) {
2103             ERR("Failed to deserialize param %s, hres %x\n",relaystr(names[i+1]),hres);
2104             break;
2105         }
2106     }
2107
2108     args[0] = (DWORD)This->pUnk;
2109
2110     __TRY
2111     {
2112         res = _invoke(
2113             (*((FARPROC**)args[0]))[fdesc->oVft/4],
2114             fdesc->callconv,
2115             (xargs-args),
2116             args
2117         );
2118     }
2119     __EXCEPT_ALL
2120     {
2121         DWORD dwExceptionCode = GetExceptionCode();
2122         ERR("invoke call failed with exception 0x%08x (%d)\n", dwExceptionCode, dwExceptionCode);
2123         if (FAILED(dwExceptionCode))
2124             hres = dwExceptionCode;
2125         else
2126             hres = HRESULT_FROM_WIN32(dwExceptionCode);
2127     }
2128     __ENDTRY
2129
2130     if (hres != S_OK)
2131         goto exit;
2132
2133     buf.curoff = 0;
2134
2135     xargs = args+1;
2136     for (i=0;i<fdesc->cParams;i++) {
2137         ELEMDESC        *elem = fdesc->lprgelemdescParam+i;
2138         hres = serialize_param(
2139            tinfo,
2140            is_out_elem(elem),
2141            FALSE,
2142            TRUE,
2143            &elem->tdesc,
2144            xargs,
2145            &buf
2146         );
2147         xargs += _argsize(&elem->tdesc, tinfo);
2148         if (hres) {
2149             ERR("Failed to stuballoc param, hres %x\n",hres);
2150             break;
2151         }
2152     }
2153
2154     hres = xbuf_add (&buf, (LPBYTE)&res, sizeof(DWORD));
2155
2156     if (hres != S_OK)
2157         goto exit;
2158
2159     xmsg->cbBuffer      = buf.curoff;
2160     hres = IRpcChannelBuffer_GetBuffer(rpcchanbuf, xmsg, &This->iid);
2161     if (hres != S_OK)
2162         ERR("IRpcChannelBuffer_GetBuffer failed with error 0x%08x\n", hres);
2163
2164     if (hres == S_OK)
2165         memcpy(xmsg->Buffer, buf.base, buf.curoff);
2166
2167 exit:
2168     for (i = 0; i < nrofnames; i++)
2169         SysFreeString(names[i]);
2170
2171     ITypeInfo_Release(tinfo);
2172     HeapFree(GetProcessHeap(), 0, args);
2173
2174     HeapFree(GetProcessHeap(), 0, buf.base);
2175
2176     TRACE("returning\n");
2177     return hres;
2178 #else
2179     FIXME( "not implemented on non-i386\n" );
2180     return E_FAIL;
2181 #endif
2182 }
2183
2184 static LPRPCSTUBBUFFER WINAPI
2185 TMStubImpl_IsIIDSupported(LPRPCSTUBBUFFER iface, REFIID riid) {
2186     FIXME("Huh (%s)?\n",debugstr_guid(riid));
2187     return NULL;
2188 }
2189
2190 static ULONG WINAPI
2191 TMStubImpl_CountRefs(LPRPCSTUBBUFFER iface) {
2192     TMStubImpl *This = impl_from_IRpcStubBuffer(iface);
2193
2194     FIXME("()\n");
2195     return This->ref; /*FIXME? */
2196 }
2197
2198 static HRESULT WINAPI
2199 TMStubImpl_DebugServerQueryInterface(LPRPCSTUBBUFFER iface, LPVOID *ppv) {
2200     return E_NOTIMPL;
2201 }
2202
2203 static void WINAPI
2204 TMStubImpl_DebugServerRelease(LPRPCSTUBBUFFER iface, LPVOID ppv) {
2205     return;
2206 }
2207
2208 static const IRpcStubBufferVtbl tmstubvtbl = {
2209     TMStubImpl_QueryInterface,
2210     TMStubImpl_AddRef,
2211     TMStubImpl_Release,
2212     TMStubImpl_Connect,
2213     TMStubImpl_Disconnect,
2214     TMStubImpl_Invoke,
2215     TMStubImpl_IsIIDSupported,
2216     TMStubImpl_CountRefs,
2217     TMStubImpl_DebugServerQueryInterface,
2218     TMStubImpl_DebugServerRelease
2219 };
2220
2221 static HRESULT WINAPI
2222 PSFacBuf_CreateStub(
2223     LPPSFACTORYBUFFER iface, REFIID riid,IUnknown *pUnkServer,
2224     IRpcStubBuffer** ppStub
2225 ) {
2226     HRESULT hres;
2227     ITypeInfo   *tinfo;
2228     TMStubImpl  *stub;
2229     TYPEATTR *typeattr;
2230
2231     TRACE("(%s,%p,%p)\n",debugstr_guid(riid),pUnkServer,ppStub);
2232
2233     hres = _get_typeinfo_for_iid(riid,&tinfo);
2234     if (hres) {
2235         ERR("No typeinfo for %s?\n",debugstr_guid(riid));
2236         return hres;
2237     }
2238
2239     stub = CoTaskMemAlloc(sizeof(TMStubImpl));
2240     if (!stub)
2241         return E_OUTOFMEMORY;
2242     stub->IRpcStubBuffer_iface.lpVtbl = &tmstubvtbl;
2243     stub->ref           = 1;
2244     stub->tinfo         = tinfo;
2245     stub->dispatch_stub = NULL;
2246     stub->dispatch_derivative = FALSE;
2247     stub->iid           = *riid;
2248     hres = IRpcStubBuffer_Connect(&stub->IRpcStubBuffer_iface,pUnkServer);
2249     *ppStub = &stub->IRpcStubBuffer_iface;
2250     TRACE("IRpcStubBuffer: %p\n", stub);
2251     if (hres)
2252         ERR("Connect to pUnkServer failed?\n");
2253
2254     /* if we derive from IDispatch then defer to its stub for some of its methods */
2255     hres = ITypeInfo_GetTypeAttr(tinfo, &typeattr);
2256     if (hres == S_OK)
2257     {
2258         if (typeattr->wTypeFlags & TYPEFLAG_FDISPATCHABLE)
2259             stub->dispatch_derivative = TRUE;
2260         ITypeInfo_ReleaseTypeAttr(tinfo, typeattr);
2261     }
2262
2263     return hres;
2264 }
2265
2266 static const IPSFactoryBufferVtbl psfacbufvtbl = {
2267     PSFacBuf_QueryInterface,
2268     PSFacBuf_AddRef,
2269     PSFacBuf_Release,
2270     PSFacBuf_CreateProxy,
2271     PSFacBuf_CreateStub
2272 };
2273
2274 /* This is the whole PSFactoryBuffer object, just the vtableptr */
2275 static const IPSFactoryBufferVtbl *lppsfac = &psfacbufvtbl;
2276
2277 /***********************************************************************
2278  *           TMARSHAL_DllGetClassObject
2279  */
2280 HRESULT TMARSHAL_DllGetClassObject(REFCLSID rclsid, REFIID iid,LPVOID *ppv)
2281 {
2282     if (IsEqualIID(iid,&IID_IPSFactoryBuffer)) {
2283         *ppv = &lppsfac;
2284         return S_OK;
2285     }
2286     return E_NOINTERFACE;
2287 }