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) IUnknown_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 static HRESULT
 642 serialize_param(
 643     ITypeInfo           *tinfo,
 644     BOOL                writeit,
 645     BOOL                debugout,
 646     BOOL                dealloc,
 647     TYPEDESC            *tdesc,
 648     DWORD               *arg,
 649     marshal_state       *buf)
 650 {
 651     HRESULT hres = S_OK;
 652     VARTYPE vartype;
 653
 654     TRACE("(tdesc.vt %s)\n",debugstr_vt(tdesc->vt));
 655
 656     vartype = tdesc->vt;
 657     if ((vartype & 0xf000) == VT_ARRAY)
 658         vartype = VT_SAFEARRAY;
 659
 660     switch (vartype) {
 661     case VT_DATE:
 662     case VT_I8:
 663     case VT_UI8:
 664     case VT_R8:
 665     case VT_CY:
 666         hres = S_OK;
 667         if (debugout) TRACE_(olerelay)("%x%x\n",arg[0],arg[1]);
 668         if (writeit)
 669             hres = xbuf_add(buf,(LPBYTE)arg,8);
 670         return hres;
 671     case VT_ERROR:
 672     case VT_INT:
 673     case VT_UINT:
 674     case VT_I4:
 675     case VT_R4:
 676     case VT_UI4:
 677         hres = S_OK;
 678         if (debugout) TRACE_(olerelay)("%x\n",*arg);
 679         if (writeit)
 680             hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
 681         return hres;
 682     case VT_I2:
 683     case VT_UI2:
 684     case VT_BOOL:
 685         hres = S_OK;
 686         if (debugout) TRACE_(olerelay)("%04x\n",*arg & 0xffff);
 687         if (writeit)
 688             hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
 689         return hres;
 690     case VT_I1:
 691     case VT_UI1:
 692         hres = S_OK;
 693         if (debugout) TRACE_(olerelay)("%02x\n",*arg & 0xff);
 694         if (writeit)
 695             hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
 696         return hres;
 697     case VT_VARIANT: {
 698         if (debugout) TRACE_(olerelay)("Vt(%s%s)(",debugstr_vt(V_VT((VARIANT *)arg)),debugstr_vf(V_VT((VARIANT *)arg)));
 699         if (writeit)
 700         {
 701             ULONG flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
 702             ULONG size = VARIANT_UserSize(&flags, buf->curoff, (VARIANT *)arg);
 703             xbuf_resize(buf, size);
 704             VARIANT_UserMarshal(&flags, buf->base + buf->curoff, (VARIANT *)arg);
 705             buf->curoff = size;
 706         }
 707         if (dealloc)
 708         {
 709             ULONG flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
 710             VARIANT_UserFree(&flags, (VARIANT *)arg);
 711         }
 712         return S_OK;
 713     }
 714     case VT_BSTR: {
 715         if (debugout) {
 716             if (*arg)
 717                    TRACE_(olerelay)("%s",relaystr((WCHAR*)*arg));
 718             else
 719                     TRACE_(olerelay)("<bstr NULL>");
 720         }
 721         if (writeit)
 722         {
 723             ULONG flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
 724             ULONG size = BSTR_UserSize(&flags, buf->curoff, (BSTR *)arg);
 725             xbuf_resize(buf, size);
 726             BSTR_UserMarshal(&flags, buf->base + buf->curoff, (BSTR *)arg);
 727             buf->curoff = size;
 728         }
 729         if (dealloc)
 730         {
 731             ULONG flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
 732             BSTR_UserFree(&flags, (BSTR *)arg);
 733         }
 734         return S_OK;
 735     }
 736     case VT_PTR: {
 737         DWORD cookie;
 738         BOOL        derefhere = TRUE;
 739
 740         if (tdesc->u.lptdesc->vt == VT_USERDEFINED) {
 741             ITypeInfo   *tinfo2;
 742             TYPEATTR    *tattr;
 743
 744             hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.lptdesc->u.hreftype,&tinfo2);
 745             if (hres) {
 746                 ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.lptdesc->u.hreftype);
 747                 return hres;
 748             }
 749             ITypeInfo_GetTypeAttr(tinfo2,&tattr);
 750             switch (tattr->typekind) {
 751             case TKIND_ALIAS:
 752                 if (tattr->tdescAlias.vt == VT_USERDEFINED)
 753                 {
 754                     DWORD href = tattr->tdescAlias.u.hreftype;
 755                     ITypeInfo_ReleaseTypeAttr(tinfo, tattr);
 756                     ITypeInfo_Release(tinfo2);
 757                     hres = ITypeInfo_GetRefTypeInfo(tinfo,href,&tinfo2);
 758                     if (hres) {
 759                         ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.lptdesc->u.hreftype);
 760                         return hres;
 761                     }
 762                     ITypeInfo_GetTypeAttr(tinfo2,&tattr);
 763                     derefhere = (tattr->typekind != TKIND_DISPATCH && tattr->typekind != TKIND_INTERFACE);
 764                 }
 765                 break;
 766             case TKIND_ENUM:    /* confirmed */
 767             case TKIND_RECORD:  /* FIXME: mostly untested */
 768                 break;
 769             case TKIND_DISPATCH:        /* will be done in VT_USERDEFINED case */
 770             case TKIND_INTERFACE:       /* will be done in VT_USERDEFINED case */
 771                 derefhere=FALSE;
 772                 break;
 773             default:
 774                 FIXME("unhandled switch cases tattr->typekind %d\n", tattr->typekind);
 775                 derefhere=FALSE;
 776                 break;
 777             }
 778             ITypeInfo_ReleaseTypeAttr(tinfo, tattr);
 779             ITypeInfo_Release(tinfo2);
 780         }
 781
 782         if (debugout) TRACE_(olerelay)("*");
 783         /* Write always, so the other side knows when it gets a NULL pointer.
 784          */
 785         cookie = *arg ? 0x42424242 : 0;
 786         hres = xbuf_add(buf,(LPBYTE)&cookie,sizeof(cookie));
 787         if (hres)
 788             return hres;
 789         if (!*arg) {
 790             if (debugout) TRACE_(olerelay)("NULL");
 791             return S_OK;
 792         }
 793         hres = serialize_param(tinfo,writeit,debugout,dealloc,tdesc->u.lptdesc,(DWORD*)*arg,buf);
 794         if (derefhere && dealloc) HeapFree(GetProcessHeap(),0,(LPVOID)*arg);
 795         return hres;
 796     }
 797     case VT_UNKNOWN:
 798         if (debugout) TRACE_(olerelay)("unk(0x%x)",*arg);
 799         if (writeit)
 800             hres = _marshal_interface(buf,&IID_IUnknown,(LPUNKNOWN)*arg);
 801         if (dealloc && *(IUnknown **)arg)
 802             IUnknown_Release((LPUNKNOWN)*arg);
 803         return hres;
 804     case VT_DISPATCH:
 805         if (debugout) TRACE_(olerelay)("idisp(0x%x)",*arg);
 806         if (writeit)
 807             hres = _marshal_interface(buf,&IID_IDispatch,(LPUNKNOWN)*arg);
 808         if (dealloc && *(IUnknown **)arg)
 809             IUnknown_Release((LPUNKNOWN)*arg);
 810         return hres;
 811     case VT_VOID:
 812         if (debugout) TRACE_(olerelay)("<void>");
 813         return S_OK;
 814     case VT_USERDEFINED: {
 815         ITypeInfo       *tinfo2;
 816         TYPEATTR        *tattr;
 817
 818         hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.hreftype,&tinfo2);
 819         if (hres) {
 820             ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.hreftype);
 821             return hres;
 822         }
 823         ITypeInfo_GetTypeAttr(tinfo2,&tattr);
 824         switch (tattr->typekind) {
 825         case TKIND_DISPATCH:
 826         case TKIND_INTERFACE:
 827             if (writeit)
 828                hres=_marshal_interface(buf,&(tattr->guid),(LPUNKNOWN)arg);
 829             if (dealloc)
 830                 IUnknown_Release((LPUNKNOWN)arg);
 831             break;
 832         case TKIND_RECORD: {
 833             int i;
 834             if (debugout) TRACE_(olerelay)("{");
 835             for (i=0;i<tattr->cVars;i++) {
 836                 VARDESC *vdesc;
 837                 ELEMDESC *elem2;
 838                 TYPEDESC *tdesc2;
 839
 840                 hres = ITypeInfo2_GetVarDesc(tinfo2, i, &vdesc);
 841                 if (hres) {
 842                     ERR("Could not get vardesc of %d\n",i);
 843                     return hres;
 844                 }
 845                 elem2 = &vdesc->elemdescVar;
 846                 tdesc2 = &elem2->tdesc;
 847                 hres = serialize_param(
 848                     tinfo2,
 849                     writeit,
 850                     debugout,
 851                     dealloc,
 852                     tdesc2,
 853                     (DWORD*)(((LPBYTE)arg)+vdesc->u.oInst),
 854                     buf
 855                 );
 856                 ITypeInfo_ReleaseVarDesc(tinfo2, vdesc);
 857                 if (hres!=S_OK)
 858                     return hres;
 859                 if (debugout && (i<(tattr->cVars-1)))
 860                     TRACE_(olerelay)(",");
 861             }
 862             if (debugout) TRACE_(olerelay)("}");
 863             break;
 864         }
 865         case TKIND_ALIAS:
 866             hres = serialize_param(tinfo2,writeit,debugout,dealloc,&tattr->tdescAlias,arg,buf);
 867             break;
 868         case TKIND_ENUM:
 869             hres = S_OK;
 870             if (debugout) TRACE_(olerelay)("%x",*arg);
 871             if (writeit)
 872                 hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
 873             break;
 874         default:
 875             FIXME("Unhandled typekind %d\n",tattr->typekind);
 876             hres = E_FAIL;
 877             break;
 878         }
 879         ITypeInfo_ReleaseTypeAttr(tinfo2, tattr);
 880         ITypeInfo_Release(tinfo2);
 881         return hres;
 882     }
 883     case VT_CARRAY: {
 884         ARRAYDESC *adesc = tdesc->u.lpadesc;
 885         int i, arrsize = 1;
 886
 887         if (debugout) TRACE_(olerelay)("carr");
 888         for (i=0;i<adesc->cDims;i++) {
 889             if (debugout) TRACE_(olerelay)("[%d]",adesc->rgbounds[i].cElements);
 890             arrsize *= adesc->rgbounds[i].cElements;
 891         }
 892         if (debugout) TRACE_(olerelay)("(vt %s)",debugstr_vt(adesc->tdescElem.vt));
 893         if (debugout) TRACE_(olerelay)("[");
 894         for (i=0;i<arrsize;i++) {
 895             hres = serialize_param(tinfo, writeit, debugout, dealloc, &adesc->tdescElem, (DWORD*)((LPBYTE)(*arg)+i*_xsize(&adesc->tdescElem, tinfo)), buf);
 896             if (hres)
 897                 return hres;
 898             if (debugout && (i<arrsize-1)) TRACE_(olerelay)(",");
 899         }
 900         if (debugout) TRACE_(olerelay)("]");
 901         if (dealloc)
 902             HeapFree(GetProcessHeap(), 0, *(void **)arg);
 903         return S_OK;
 904     }
 905     case VT_SAFEARRAY: {
 906         if (writeit)
 907         {
 908             ULONG flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
 909             ULONG size = LPSAFEARRAY_UserSize(&flags, buf->curoff, (LPSAFEARRAY *)arg);
 910             xbuf_resize(buf, size);
 911             LPSAFEARRAY_UserMarshal(&flags, buf->base + buf->curoff, (LPSAFEARRAY *)arg);
 912             buf->curoff = size;
 913         }
 914         if (dealloc)
 915         {
 916             ULONG flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
 917             LPSAFEARRAY_UserFree(&flags, (LPSAFEARRAY *)arg);
 918         }
 919         return S_OK;
 920     }
 921     default:
 922         ERR("Unhandled marshal type %d.\n",tdesc->vt);
 923         return S_OK;
 924     }
 925 }
 926
 927 static HRESULT
 928 deserialize_param(
 929     ITypeInfo           *tinfo,
 930     BOOL                readit,
 931     BOOL                debugout,
 932     BOOL                alloc,
 933     TYPEDESC            *tdesc,
 934     DWORD               *arg,
 935     marshal_state       *buf)
 936 {
 937     HRESULT hres = S_OK;
 938     VARTYPE vartype;
 939
 940     TRACE("vt %s at %p\n",debugstr_vt(tdesc->vt),arg);
 941
 942     vartype = tdesc->vt;
 943     if ((vartype & 0xf000) == VT_ARRAY)
 944         vartype = VT_SAFEARRAY;
 945
 946     while (1) {
 947         switch (vartype) {
 948         case VT_VARIANT: {
 949             if (readit)
 950             {
 951                 ULONG flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
 952                 unsigned char *buffer;
 953                 buffer = VARIANT_UserUnmarshal(&flags, buf->base + buf->curoff, (VARIANT *)arg);
 954                 buf->curoff = buffer - buf->base;
 955             }
 956             return S_OK;
 957         }
 958         case VT_DATE:
 959         case VT_I8:
 960         case VT_UI8:
 961         case VT_R8:
 962         case VT_CY:
 963             if (readit) {
 964                 hres = xbuf_get(buf,(LPBYTE)arg,8);
 965                 if (hres) ERR("Failed to read integer 8 byte\n");
 966             }
 967             if (debugout) TRACE_(olerelay)("%x%x",arg[0],arg[1]);
 968             return hres;
 969         case VT_ERROR:
 970         case VT_I4:
 971         case VT_INT:
 972         case VT_UINT:
 973         case VT_R4:
 974         case VT_UI4:
 975             if (readit) {
 976                 hres = xbuf_get(buf,(LPBYTE)arg,sizeof(DWORD));
 977                 if (hres) ERR("Failed to read integer 4 byte\n");
 978             }
 979             if (debugout) TRACE_(olerelay)("%x",*arg);
 980             return hres;
 981         case VT_I2:
 982         case VT_UI2:
 983         case VT_BOOL:
 984             if (readit) {
 985                 DWORD x;
 986                 hres = xbuf_get(buf,(LPBYTE)&x,sizeof(DWORD));
 987                 if (hres) ERR("Failed to read integer 4 byte\n");
 988                 memcpy(arg,&x,2);
 989             }
 990             if (debugout) TRACE_(olerelay)("%04x",*arg & 0xffff);
 991             return hres;
 992         case VT_I1:
 993         case VT_UI1:
 994             if (readit) {
 995                 DWORD x;
 996                 hres = xbuf_get(buf,(LPBYTE)&x,sizeof(DWORD));
 997                 if (hres) ERR("Failed to read integer 4 byte\n");
 998                 memcpy(arg,&x,1);
 999             }
1000             if (debugout) TRACE_(olerelay)("%02x",*arg & 0xff);
1001             return hres;
1002         case VT_BSTR: {
1003             if (readit)
1004             {
1005                 ULONG flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
1006                 unsigned char *buffer;
1007                 buffer = BSTR_UserUnmarshal(&flags, buf->base + buf->curoff, (BSTR *)arg);
1008                 buf->curoff = buffer - buf->base;
1009                 if (debugout) TRACE_(olerelay)("%s",debugstr_w(*(BSTR *)arg));
1010             }
1011             return S_OK;
1012         }
1013         case VT_PTR: {
1014             DWORD       cookie;
1015             BOOL        derefhere = TRUE;
1016
1017             if (tdesc->u.lptdesc->vt == VT_USERDEFINED) {
1018                 ITypeInfo       *tinfo2;
1019                 TYPEATTR        *tattr;
1020
1021                 hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.lptdesc->u.hreftype,&tinfo2);
1022                 if (hres) {
1023                     ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.lptdesc->u.hreftype);
1024                     return hres;
1025                 }
1026                 ITypeInfo_GetTypeAttr(tinfo2,&tattr);
1027                 switch (tattr->typekind) {
1028                 case TKIND_ALIAS:
1029                     if (tattr->tdescAlias.vt == VT_USERDEFINED)
1030                     {
1031                         DWORD href = tattr->tdescAlias.u.hreftype;
1032                         ITypeInfo_ReleaseTypeAttr(tinfo, tattr);
1033                         ITypeInfo_Release(tinfo2);
1034                         hres = ITypeInfo_GetRefTypeInfo(tinfo,href,&tinfo2);
1035                         if (hres) {
1036                             ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.lptdesc->u.hreftype);
1037                             return hres;
1038                         }
1039                         ITypeInfo_GetTypeAttr(tinfo2,&tattr);
1040                         derefhere = (tattr->typekind != TKIND_DISPATCH && tattr->typekind != TKIND_INTERFACE);
1041                     }
1042                     break;
1043                 case TKIND_ENUM:        /* confirmed */
1044                 case TKIND_RECORD:      /* FIXME: mostly untested */
1045                     break;
1046                 case TKIND_DISPATCH:    /* will be done in VT_USERDEFINED case */
1047                 case TKIND_INTERFACE:   /* will be done in VT_USERDEFINED case */
1048                     derefhere=FALSE;
1049                     break;
1050                 default:
1051                     FIXME("unhandled switch cases tattr->typekind %d\n", tattr->typekind);
1052                     derefhere=FALSE;
1053                     break;
1054                 }
1055                 ITypeInfo_ReleaseTypeAttr(tinfo2, tattr);
1056                 ITypeInfo_Release(tinfo2);
1057             }
1058             /* read it in all cases, we need to know if we have
1059              * NULL pointer or not.
1060              */
1061             hres = xbuf_get(buf,(LPBYTE)&cookie,sizeof(cookie));
1062             if (hres) {
1063                 ERR("Failed to load pointer cookie.\n");
1064                 return hres;
1065             }
1066             if (cookie != 0x42424242) {
1067                 /* we read a NULL ptr from the remote side */
1068                 if (debugout) TRACE_(olerelay)("NULL");
1069                 *arg = 0;
1070                 return S_OK;
1071             }
1072             if (debugout) TRACE_(olerelay)("*");
1073             if (alloc) {
1074                 /* Allocate space for the referenced struct */
1075                 if (derefhere)
1076                     *arg=(DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,_xsize(tdesc->u.lptdesc, tinfo));
1077             }
1078             if (derefhere)
1079                 return deserialize_param(tinfo, readit, debugout, alloc, tdesc->u.lptdesc, (LPDWORD)*arg, buf);
1080             else
1081                 return deserialize_param(tinfo, readit, debugout, alloc, tdesc->u.lptdesc, arg, buf);
1082         }
1083         case VT_UNKNOWN:
1084             /* FIXME: UNKNOWN is unknown ..., but allocate 4 byte for it */
1085             if (alloc)
1086                 *arg=(DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(DWORD));
1087             hres = S_OK;
1088             if (readit)
1089                 hres = _unmarshal_interface(buf,&IID_IUnknown,(LPUNKNOWN*)arg);
1090             if (debugout)
1091                 TRACE_(olerelay)("unk(%p)",arg);
1092             return hres;
1093         case VT_DISPATCH:
1094             hres = S_OK;
1095             if (readit)
1096                 hres = _unmarshal_interface(buf,&IID_IDispatch,(LPUNKNOWN*)arg);
1097             if (debugout)
1098                 TRACE_(olerelay)("idisp(%p)",arg);
1099             return hres;
1100         case VT_VOID:
1101             if (debugout) TRACE_(olerelay)("<void>");
1102             return S_OK;
1103         case VT_USERDEFINED: {
1104             ITypeInfo   *tinfo2;
1105             TYPEATTR    *tattr;
1106
1107             hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.hreftype,&tinfo2);
1108             if (hres) {
1109                 ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.hreftype);
1110                 return hres;
1111             }
1112             hres = ITypeInfo_GetTypeAttr(tinfo2,&tattr);
1113             if (hres) {
1114                 ERR("Could not get typeattr in VT_USERDEFINED.\n");
1115             } else {
1116                 switch (tattr->typekind) {
1117                 case TKIND_DISPATCH:
1118                 case TKIND_INTERFACE:
1119                     if (readit)
1120                         hres = _unmarshal_interface(buf,&(tattr->guid),(LPUNKNOWN*)arg);
1121                     break;
1122                 case TKIND_RECORD: {
1123                     int i;
1124
1125                     if (debugout) TRACE_(olerelay)("{");
1126                     for (i=0;i<tattr->cVars;i++) {
1127                         VARDESC *vdesc;
1128
1129                         hres = ITypeInfo2_GetVarDesc(tinfo2, i, &vdesc);
1130                         if (hres) {
1131                             ERR("Could not get vardesc of %d\n",i);
1132                             ITypeInfo_ReleaseTypeAttr(tinfo2, tattr);
1133                             ITypeInfo_Release(tinfo2);
1134                             return hres;
1135                         }
1136                         hres = deserialize_param(
1137                             tinfo2,
1138                             readit,
1139                             debugout,
1140                             alloc,
1141                             &vdesc->elemdescVar.tdesc,
1142                             (DWORD*)(((LPBYTE)arg)+vdesc->u.oInst),
1143                             buf
1144                         );
1145                         ITypeInfo2_ReleaseVarDesc(tinfo2, vdesc);
1146                         if (debugout && (i<tattr->cVars-1)) TRACE_(olerelay)(",");
1147                     }
1148                     if (debugout) TRACE_(olerelay)("}");
1149                     break;
1150                 }
1151                 case TKIND_ALIAS:
1152                     hres = deserialize_param(tinfo2,readit,debugout,alloc,&tattr->tdescAlias,arg,buf);
1153                     break;
1154                 case TKIND_ENUM:
1155                     if (readit) {
1156                         hres = xbuf_get(buf,(LPBYTE)arg,sizeof(DWORD));
1157                         if (hres) ERR("Failed to read enum (4 byte)\n");
1158                     }
1159                     if (debugout) TRACE_(olerelay)("%x",*arg);
1160                     break;
1161                 default:
1162                     ERR("Unhandled typekind %d\n",tattr->typekind);
1163                     hres = E_FAIL;
1164                     break;
1165                 }
1166                 ITypeInfo_ReleaseTypeAttr(tinfo2, tattr);
1167             }
1168             if (hres)
1169                 ERR("failed to stuballoc in TKIND_RECORD.\n");
1170             ITypeInfo_Release(tinfo2);
1171             return hres;
1172         }
1173         case VT_CARRAY: {
1174             /* arg is pointing to the start of the array. */
1175             ARRAYDESC *adesc = tdesc->u.lpadesc;
1176             int         arrsize,i;
1177             arrsize = 1;
1178             if (adesc->cDims > 1) FIXME("cDims > 1 in VT_CARRAY. Does it work?\n");
1179             for (i=0;i<adesc->cDims;i++)
1180                 arrsize *= adesc->rgbounds[i].cElements;
1181             *arg=(DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,_xsize(tdesc->u.lptdesc, tinfo) * arrsize);
1182             for (i=0;i<arrsize;i++)
1183                 deserialize_param(
1184                     tinfo,
1185                     readit,
1186                     debugout,
1187                     alloc,
1188                     &adesc->tdescElem,
1189                     (DWORD*)((LPBYTE)(*arg)+i*_xsize(&adesc->tdescElem, tinfo)),
1190                     buf
1191                 );
1192             return S_OK;
1193         }
1194     case VT_SAFEARRAY: {
1195             if (readit)
1196             {
1197                 ULONG flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
1198                 unsigned char *buffer;
1199                 buffer = LPSAFEARRAY_UserUnmarshal(&flags, buf->base + buf->curoff, (LPSAFEARRAY *)arg);
1200                 buf->curoff = buffer - buf->base;
1201             }
1202             return S_OK;
1203         }
1204         default:
1205             ERR("No handler for VT type %d!\n",tdesc->vt);
1206             return S_OK;
1207         }
1208     }
1209 }
1210
1211 /* Retrieves a function's funcdesc, searching back into inherited interfaces. */
1212 static HRESULT get_funcdesc(ITypeInfo *tinfo, int iMethod, ITypeInfo **tactual, const FUNCDESC **fdesc,
1213                             BSTR *iname, BSTR *fname, UINT *num)
1214 {
1215     HRESULT hr;
1216     UINT i, impl_types;
1217     UINT inherited_funcs = 0;
1218     TYPEATTR *attr;
1219
1220     if (fname) *fname = NULL;
1221     if (iname) *iname = NULL;
1222     if (num) *num = 0;
1223     *tactual = NULL;
1224
1225     hr = ITypeInfo_GetTypeAttr(tinfo, &attr);
1226     if (FAILED(hr))
1227     {
1228         ERR("GetTypeAttr failed with %x\n",hr);
1229         return hr;
1230     }
1231
1232     if(attr->typekind == TKIND_DISPATCH)
1233     {
1234         if(attr->wTypeFlags & TYPEFLAG_FDUAL)
1235         {
1236             HREFTYPE href;
1237             ITypeInfo *tinfo2;
1238
1239             hr = ITypeInfo_GetRefTypeOfImplType(tinfo, -1, &href);
1240             if(FAILED(hr))
1241             {
1242                 ERR("Cannot get interface href from dual dispinterface\n");
1243                 ITypeInfo_ReleaseTypeAttr(tinfo, attr);
1244                 return hr;
1245             }
1246             hr = ITypeInfo_GetRefTypeInfo(tinfo, href, &tinfo2);
1247             if(FAILED(hr))
1248             {
1249                 ERR("Cannot get interface from dual dispinterface\n");
1250                 ITypeInfo_ReleaseTypeAttr(tinfo, attr);
1251                 return hr;
1252             }
1253             hr = get_funcdesc(tinfo2, iMethod, tactual, fdesc, iname, fname, num);
1254             ITypeInfo_Release(tinfo2);
1255             ITypeInfo_ReleaseTypeAttr(tinfo, attr);
1256             return hr;
1257         }
1258         ERR("Shouldn't be called with a non-dual dispinterface\n");
1259         return E_FAIL;
1260     }
1261
1262     impl_types = attr->cImplTypes;
1263     ITypeInfo_ReleaseTypeAttr(tinfo, attr);
1264
1265     for (i = 0; i < impl_types; i++)
1266     {
1267         HREFTYPE href;
1268         ITypeInfo *pSubTypeInfo;
1269         UINT sub_funcs;
1270
1271         hr = ITypeInfo_GetRefTypeOfImplType(tinfo, i, &href);
1272         if (FAILED(hr)) return hr;
1273         hr = ITypeInfo_GetRefTypeInfo(tinfo, href, &pSubTypeInfo);
1274         if (FAILED(hr)) return hr;
1275
1276         hr = get_funcdesc(pSubTypeInfo, iMethod, tactual, fdesc, iname, fname, &sub_funcs);
1277         inherited_funcs += sub_funcs;
1278         ITypeInfo_Release(pSubTypeInfo);
1279         if(SUCCEEDED(hr)) return hr;
1280     }
1281     if(iMethod < inherited_funcs)
1282     {
1283         ERR("shouldn't be here\n");
1284         return E_INVALIDARG;
1285     }
1286
1287     for(i = inherited_funcs; i <= iMethod; i++)
1288     {
1289         hr = ITypeInfoImpl_GetInternalFuncDesc(tinfo, i - inherited_funcs, fdesc);
1290         if(FAILED(hr))
1291         {
1292             if(num) *num = i;
1293             return hr;
1294         }
1295     }
1296
1297     /* found it. We don't care about num so zero it */
1298     if(num) *num = 0;
1299     *tactual = tinfo;
1300     ITypeInfo_AddRef(*tactual);
1301     if (fname) ITypeInfo_GetDocumentation(tinfo,(*fdesc)->memid,fname,NULL,NULL,NULL);
1302     if (iname) ITypeInfo_GetDocumentation(tinfo,-1,iname,NULL,NULL,NULL);
1303     return S_OK;
1304 }
1305
1306 static inline BOOL is_in_elem(const ELEMDESC *elem)
1307 {
1308     return (elem->u.paramdesc.wParamFlags & PARAMFLAG_FIN || !elem->u.paramdesc.wParamFlags);
1309 }
1310
1311 static inline BOOL is_out_elem(const ELEMDESC *elem)
1312 {
1313     return (elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT || !elem->u.paramdesc.wParamFlags);
1314 }
1315
1316 static DWORD
1317 xCall(LPVOID retptr, int method, TMProxyImpl *tpinfo /*, args */)
1318 {
1319     DWORD               *args = ((DWORD*)&tpinfo)+1, *xargs;
1320     const FUNCDESC      *fdesc;
1321     HRESULT             hres;
1322     int                 i, relaydeb = TRACE_ON(olerelay);
1323     marshal_state       buf;
1324     RPCOLEMESSAGE       msg;
1325     ULONG               status;
1326     BSTR                fname,iname;
1327     BSTR                names[10];
1328     UINT                nrofnames;
1329     DWORD               remoteresult = 0;
1330     ITypeInfo           *tinfo;
1331     IRpcChannelBuffer *chanbuf;
1332
1333     EnterCriticalSection(&tpinfo->crit);
1334
1335     hres = get_funcdesc(tpinfo->tinfo,method,&tinfo,&fdesc,&iname,&fname,NULL);
1336     if (hres) {
1337         ERR("Did not find typeinfo/funcdesc entry for method %d!\n",method);
1338         LeaveCriticalSection(&tpinfo->crit);
1339         return E_FAIL;
1340     }
1341
1342     if (!tpinfo->chanbuf)
1343     {
1344         WARN("Tried to use disconnected proxy\n");
1345         ITypeInfo_Release(tinfo);
1346         LeaveCriticalSection(&tpinfo->crit);
1347         return RPC_E_DISCONNECTED;
1348     }
1349     chanbuf = tpinfo->chanbuf;
1350     IRpcChannelBuffer_AddRef(chanbuf);
1351
1352     LeaveCriticalSection(&tpinfo->crit);
1353
1354     if (relaydeb) {
1355        TRACE_(olerelay)("->");
1356         if (iname)
1357             TRACE_(olerelay)("%s:",relaystr(iname));
1358         if (fname)
1359             TRACE_(olerelay)("%s(%d)",relaystr(fname),method);
1360         else
1361             TRACE_(olerelay)("%d",method);
1362         TRACE_(olerelay)("(");
1363     }
1364
1365     SysFreeString(iname);
1366     SysFreeString(fname);
1367
1368     memset(&buf,0,sizeof(buf));
1369
1370     /* normal typelib driven serializing */
1371
1372     /* Need them for hack below */
1373     memset(names,0,sizeof(names));
1374     if (ITypeInfo_GetNames(tinfo,fdesc->memid,names,sizeof(names)/sizeof(names[0]),&nrofnames))
1375         nrofnames = 0;
1376     if (nrofnames > sizeof(names)/sizeof(names[0]))
1377         ERR("Need more names!\n");
1378
1379     xargs = args;
1380     for (i=0;i<fdesc->cParams;i++) {
1381         ELEMDESC        *elem = fdesc->lprgelemdescParam+i;
1382         if (relaydeb) {
1383             if (i) TRACE_(olerelay)(",");
1384             if (i+1<nrofnames && names[i+1])
1385                 TRACE_(olerelay)("%s=",relaystr(names[i+1]));
1386         }
1387         /* No need to marshal other data than FIN and any VT_PTR. */
1388         if (!is_in_elem(elem) && (elem->tdesc.vt != VT_PTR)) {
1389             xargs+=_argsize(&elem->tdesc, tinfo);
1390             if (relaydeb) TRACE_(olerelay)("[out]");
1391             continue;
1392         }
1393         hres = serialize_param(
1394             tinfo,
1395             is_in_elem(elem),
1396             relaydeb,
1397             FALSE,
1398             &elem->tdesc,
1399             xargs,
1400             &buf
1401         );
1402
1403         if (hres) {
1404             ERR("Failed to serialize param, hres %x\n",hres);
1405             break;
1406         }
1407         xargs+=_argsize(&elem->tdesc, tinfo);
1408     }
1409     if (relaydeb) TRACE_(olerelay)(")");
1410
1411     memset(&msg,0,sizeof(msg));
1412     msg.cbBuffer = buf.curoff;
1413     msg.iMethod  = method;
1414     hres = IRpcChannelBuffer_GetBuffer(chanbuf,&msg,&(tpinfo->iid));
1415     if (hres) {
1416         ERR("RpcChannelBuffer GetBuffer failed, %x\n",hres);
1417         goto exit;
1418     }
1419     memcpy(msg.Buffer,buf.base,buf.curoff);
1420     if (relaydeb) TRACE_(olerelay)("\n");
1421     hres = IRpcChannelBuffer_SendReceive(chanbuf,&msg,&status);
1422     if (hres) {
1423         ERR("RpcChannelBuffer SendReceive failed, %x\n",hres);
1424         goto exit;
1425     }
1426
1427     if (relaydeb) TRACE_(olerelay)(" status = %08x (",status);
1428     if (buf.base)
1429         buf.base = HeapReAlloc(GetProcessHeap(),0,buf.base,msg.cbBuffer);
1430     else
1431         buf.base = HeapAlloc(GetProcessHeap(),0,msg.cbBuffer);
1432     buf.size = msg.cbBuffer;
1433     memcpy(buf.base,msg.Buffer,buf.size);
1434     buf.curoff = 0;
1435
1436     /* generic deserializer using typelib description */
1437     xargs = args;
1438     status = S_OK;
1439     for (i=0;i<fdesc->cParams;i++) {
1440         ELEMDESC        *elem = fdesc->lprgelemdescParam+i;
1441
1442         if (relaydeb) {
1443             if (i) TRACE_(olerelay)(",");
1444             if (i+1<nrofnames && names[i+1]) TRACE_(olerelay)("%s=",relaystr(names[i+1]));
1445         }
1446         /* No need to marshal other data than FOUT and any VT_PTR */
1447         if (!is_out_elem(elem) && (elem->tdesc.vt != VT_PTR)) {
1448             xargs += _argsize(&elem->tdesc, tinfo);
1449             if (relaydeb) TRACE_(olerelay)("[in]");
1450             continue;
1451         }
1452         hres = deserialize_param(
1453             tinfo,
1454             is_out_elem(elem),
1455             relaydeb,
1456             FALSE,
1457             &(elem->tdesc),
1458             xargs,
1459             &buf
1460         );
1461         if (hres) {
1462             ERR("Failed to unmarshall param, hres %x\n",hres);
1463             status = hres;
1464             break;
1465         }
1466         xargs += _argsize(&elem->tdesc, tinfo);
1467     }
1468
1469     hres = xbuf_get(&buf, (LPBYTE)&remoteresult, sizeof(DWORD));
1470     if (hres != S_OK)
1471         goto exit;
1472     if (relaydeb) TRACE_(olerelay)(") = %08x\n", remoteresult);
1473
1474     hres = remoteresult;
1475
1476 exit:
1477     IRpcChannelBuffer_FreeBuffer(chanbuf,&msg);
1478     for (i = 0; i < nrofnames; i++)
1479         SysFreeString(names[i]);
1480     HeapFree(GetProcessHeap(),0,buf.base);
1481     IRpcChannelBuffer_Release(chanbuf);
1482     ITypeInfo_Release(tinfo);
1483     TRACE("-- 0x%08x\n", hres);
1484     return hres;
1485 }
1486
1487 static HRESULT WINAPI ProxyIUnknown_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
1488 {
1489     TMProxyImpl *proxy = (TMProxyImpl *)iface;
1490
1491     TRACE("(%s, %p)\n", debugstr_guid(riid), ppv);
1492
1493     if (proxy->outerunknown)
1494         return IUnknown_QueryInterface(proxy->outerunknown, riid, ppv);
1495
1496     FIXME("No interface\n");
1497     return E_NOINTERFACE;
1498 }
1499
1500 static ULONG WINAPI ProxyIUnknown_AddRef(IUnknown *iface)
1501 {
1502     TMProxyImpl *proxy = (TMProxyImpl *)iface;
1503
1504     TRACE("\n");
1505
1506     if (proxy->outerunknown)
1507         return IUnknown_AddRef(proxy->outerunknown);
1508
1509     return 2; /* FIXME */
1510 }
1511
1512 static ULONG WINAPI ProxyIUnknown_Release(IUnknown *iface)
1513 {
1514     TMProxyImpl *proxy = (TMProxyImpl *)iface;
1515
1516     TRACE("\n");
1517
1518     if (proxy->outerunknown)
1519         return IUnknown_Release(proxy->outerunknown);
1520
1521     return 1; /* FIXME */
1522 }
1523
1524 static HRESULT WINAPI ProxyIDispatch_GetTypeInfoCount(LPDISPATCH iface, UINT * pctinfo)
1525 {
1526     TMProxyImpl *This = (TMProxyImpl *)iface;
1527
1528     TRACE("(%p)\n", pctinfo);
1529
1530     return IDispatch_GetTypeInfoCount(This->dispatch, pctinfo);
1531 }
1532
1533 static HRESULT WINAPI ProxyIDispatch_GetTypeInfo(LPDISPATCH iface, UINT iTInfo, LCID lcid, ITypeInfo** ppTInfo)
1534 {
1535     TMProxyImpl *This = (TMProxyImpl *)iface;
1536
1537     TRACE("(%d, %x, %p)\n", iTInfo, lcid, ppTInfo);
1538
1539     return IDispatch_GetTypeInfo(This->dispatch, iTInfo, lcid, ppTInfo);
1540 }
1541
1542 static HRESULT WINAPI ProxyIDispatch_GetIDsOfNames(LPDISPATCH iface, REFIID riid, LPOLESTR * rgszNames, UINT cNames, LCID lcid, DISPID * rgDispId)
1543 {
1544     TMProxyImpl *This = (TMProxyImpl *)iface;
1545
1546     TRACE("(%s, %p, %d, 0x%x, %p)\n", debugstr_guid(riid), rgszNames, cNames, lcid, rgDispId);
1547
1548     return IDispatch_GetIDsOfNames(This->dispatch, riid, rgszNames,
1549                                    cNames, lcid, rgDispId);
1550 }
1551
1552 static HRESULT WINAPI ProxyIDispatch_Invoke(LPDISPATCH iface, DISPID dispIdMember, REFIID riid, LCID lcid,
1553                                             WORD wFlags, DISPPARAMS * pDispParams, VARIANT * pVarResult,
1554                                             EXCEPINFO * pExcepInfo, UINT * puArgErr)
1555 {
1556     TMProxyImpl *This = (TMProxyImpl *)iface;
1557
1558     TRACE("(%d, %s, 0x%x, 0x%x, %p, %p, %p, %p)\n", dispIdMember,
1559           debugstr_guid(riid), lcid, wFlags, pDispParams, pVarResult,
1560           pExcepInfo, puArgErr);
1561
1562     return IDispatch_Invoke(This->dispatch, dispIdMember, riid, lcid,
1563                             wFlags, pDispParams, pVarResult, pExcepInfo,
1564                             puArgErr);
1565 }
1566
1567 typedef struct
1568 {
1569     IRpcChannelBuffer     IRpcChannelBuffer_iface;
1570     LONG                  refs;
1571     /* the IDispatch-derived interface we are handling */
1572     IID                   tmarshal_iid;
1573     IRpcChannelBuffer    *pDelegateChannel;
1574 } TMarshalDispatchChannel;
1575
1576 static inline TMarshalDispatchChannel *impl_from_IRpcChannelBuffer(IRpcChannelBuffer *iface)
1577 {
1578     return CONTAINING_RECORD(iface, TMarshalDispatchChannel, IRpcChannelBuffer_iface);
1579 }
1580
1581 static HRESULT WINAPI TMarshalDispatchChannel_QueryInterface(LPRPCCHANNELBUFFER iface, REFIID riid, LPVOID *ppv)
1582 {
1583     *ppv = NULL;
1584     if (IsEqualIID(riid,&IID_IRpcChannelBuffer) || IsEqualIID(riid,&IID_IUnknown))
1585     {
1586         *ppv = iface;
1587         IUnknown_AddRef(iface);
1588         return S_OK;
1589     }
1590     return E_NOINTERFACE;
1591 }
1592
1593 static ULONG WINAPI TMarshalDispatchChannel_AddRef(LPRPCCHANNELBUFFER iface)
1594 {
1595     TMarshalDispatchChannel *This = impl_from_IRpcChannelBuffer(iface);
1596     return InterlockedIncrement(&This->refs);
1597 }
1598
1599 static ULONG WINAPI TMarshalDispatchChannel_Release(LPRPCCHANNELBUFFER iface)
1600 {
1601     TMarshalDispatchChannel *This = impl_from_IRpcChannelBuffer(iface);
1602     ULONG ref;
1603
1604     ref = InterlockedDecrement(&This->refs);
1605     if (ref)
1606         return ref;
1607
1608         IRpcChannelBuffer_Release(This->pDelegateChannel);
1609     HeapFree(GetProcessHeap(), 0, This);
1610     return 0;
1611 }
1612
1613 static HRESULT WINAPI TMarshalDispatchChannel_GetBuffer(LPRPCCHANNELBUFFER iface, RPCOLEMESSAGE* olemsg, REFIID riid)
1614 {
1615     TMarshalDispatchChannel *This = impl_from_IRpcChannelBuffer(iface);
1616     TRACE("(%p, %s)\n", olemsg, debugstr_guid(riid));
1617     /* Note: we are pretending to invoke a method on the interface identified
1618      * by tmarshal_iid so that we can re-use the IDispatch proxy/stub code
1619      * without the RPC runtime getting confused by not exporting an IDispatch interface */
1620     return IRpcChannelBuffer_GetBuffer(This->pDelegateChannel, olemsg, &This->tmarshal_iid);
1621 }
1622
1623 static HRESULT WINAPI TMarshalDispatchChannel_SendReceive(LPRPCCHANNELBUFFER iface, RPCOLEMESSAGE *olemsg, ULONG *pstatus)
1624 {
1625     TMarshalDispatchChannel *This = impl_from_IRpcChannelBuffer(iface);
1626     TRACE("(%p, %p)\n", olemsg, pstatus);
1627     return IRpcChannelBuffer_SendReceive(This->pDelegateChannel, olemsg, pstatus);
1628 }
1629
1630 static HRESULT WINAPI TMarshalDispatchChannel_FreeBuffer(LPRPCCHANNELBUFFER iface, RPCOLEMESSAGE* olemsg)
1631 {
1632     TMarshalDispatchChannel *This = impl_from_IRpcChannelBuffer(iface);
1633     TRACE("(%p)\n", olemsg);
1634     return IRpcChannelBuffer_FreeBuffer(This->pDelegateChannel, olemsg);
1635 }
1636
1637 static HRESULT WINAPI TMarshalDispatchChannel_GetDestCtx(LPRPCCHANNELBUFFER iface, DWORD* pdwDestContext, void** ppvDestContext)
1638 {
1639     TMarshalDispatchChannel *This = impl_from_IRpcChannelBuffer(iface);
1640     TRACE("(%p,%p)\n", pdwDestContext, ppvDestContext);
1641     return IRpcChannelBuffer_GetDestCtx(This->pDelegateChannel, pdwDestContext, ppvDestContext);
1642 }
1643
1644 static HRESULT WINAPI TMarshalDispatchChannel_IsConnected(LPRPCCHANNELBUFFER iface)
1645 {
1646     TMarshalDispatchChannel *This = impl_from_IRpcChannelBuffer(iface);
1647     TRACE("()\n");
1648     return IRpcChannelBuffer_IsConnected(This->pDelegateChannel);
1649 }
1650
1651 static const IRpcChannelBufferVtbl TMarshalDispatchChannelVtbl =
1652 {
1653     TMarshalDispatchChannel_QueryInterface,
1654     TMarshalDispatchChannel_AddRef,
1655     TMarshalDispatchChannel_Release,
1656     TMarshalDispatchChannel_GetBuffer,
1657     TMarshalDispatchChannel_SendReceive,
1658     TMarshalDispatchChannel_FreeBuffer,
1659     TMarshalDispatchChannel_GetDestCtx,
1660     TMarshalDispatchChannel_IsConnected
1661 };
1662
1663 static HRESULT TMarshalDispatchChannel_Create(
1664     IRpcChannelBuffer *pDelegateChannel, REFIID tmarshal_riid,
1665     IRpcChannelBuffer **ppChannel)
1666 {
1667     TMarshalDispatchChannel *This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
1668     if (!This)
1669         return E_OUTOFMEMORY;
1670
1671     This->IRpcChannelBuffer_iface.lpVtbl = &TMarshalDispatchChannelVtbl;
1672     This->refs = 1;
1673     IRpcChannelBuffer_AddRef(pDelegateChannel);
1674     This->pDelegateChannel = pDelegateChannel;
1675     This->tmarshal_iid = *tmarshal_riid;
1676
1677     *ppChannel = &This->IRpcChannelBuffer_iface;
1678     return S_OK;
1679 }
1680
1681
1682 static inline HRESULT get_facbuf_for_iid(REFIID riid, IPSFactoryBuffer **facbuf)
1683 {
1684     HRESULT       hr;
1685     CLSID         clsid;
1686
1687     if ((hr = CoGetPSClsid(riid, &clsid)))
1688         return hr;
1689     return CoGetClassObject(&clsid, CLSCTX_INPROC_SERVER, NULL,
1690                              &IID_IPSFactoryBuffer, (LPVOID*)facbuf);
1691 }
1692
1693 static HRESULT init_proxy_entry_point(TMProxyImpl *proxy, unsigned int num)
1694 {
1695     int j;
1696     /* nrofargs without This */
1697     int nrofargs;
1698     ITypeInfo *tinfo2;
1699     TMAsmProxy  *xasm = proxy->asmstubs + num;
1700     HRESULT hres;
1701     const FUNCDESC *fdesc;
1702
1703     hres = get_funcdesc(proxy->tinfo, num, &tinfo2, &fdesc, NULL, NULL, NULL);
1704     if (hres) {
1705         ERR("GetFuncDesc %x should not fail here.\n",hres);
1706         return hres;
1707     }
1708     ITypeInfo_Release(tinfo2);
1709     /* some args take more than 4 byte on the stack */
1710     nrofargs = 0;
1711     for (j=0;j<fdesc->cParams;j++)
1712         nrofargs += _argsize(&fdesc->lprgelemdescParam[j].tdesc, proxy->tinfo);
1713
1714 #ifdef __i386__
1715     if (fdesc->callconv != CC_STDCALL) {
1716         ERR("calling convention is not stdcall????\n");
1717         return E_FAIL;
1718     }
1719 /* popl %eax    -       return ptr
1720  * pushl <nr>
1721  * pushl %eax
1722  * call xCall
1723  * lret <nr> (+4)
1724  *
1725  *
1726  * arg3 arg2 arg1 <method> <returnptr>
1727  */
1728     xasm->popleax       = 0x58;
1729     xasm->pushlval      = 0x68;
1730     xasm->nr            = num;
1731     xasm->pushleax      = 0x50;
1732     xasm->lcall         = 0xe8; /* relative jump */
1733     xasm->xcall         = (DWORD)xCall;
1734     xasm->xcall        -= (DWORD)&(xasm->lret);
1735     xasm->lret          = 0xc2;
1736     xasm->bytestopop    = (nrofargs+2)*4; /* pop args, This, iMethod */
1737     xasm->nop           = 0x90;
1738     proxy->lpvtbl[fdesc->oVft / sizeof(void *)] = xasm;
1739 #else
1740     FIXME("not implemented on non i386\n");
1741     return E_FAIL;
1742 #endif
1743     return S_OK;
1744 }
1745
1746 static HRESULT WINAPI
1747 PSFacBuf_CreateProxy(
1748     LPPSFACTORYBUFFER iface, IUnknown* pUnkOuter, REFIID riid,
1749     IRpcProxyBuffer **ppProxy, LPVOID *ppv)
1750 {
1751     HRESULT     hres;
1752     ITypeInfo   *tinfo;
1753     unsigned int i, nroffuncs, vtbl_size;
1754     TMProxyImpl *proxy;
1755     TYPEATTR    *typeattr;
1756     BOOL        defer_to_dispatch = FALSE;
1757
1758     TRACE("(...%s...)\n",debugstr_guid(riid));
1759     hres = _get_typeinfo_for_iid(riid,&tinfo);
1760     if (hres) {
1761         ERR("No typeinfo for %s?\n",debugstr_guid(riid));
1762         return hres;
1763     }
1764
1765     hres = num_of_funcs(tinfo, &nroffuncs, &vtbl_size);
1766     TRACE("Got %d funcs, vtbl size %d\n", nroffuncs, vtbl_size);
1767
1768     if (FAILED(hres)) {
1769         ERR("Cannot get number of functions for typeinfo %s\n",debugstr_guid(riid));
1770         ITypeInfo_Release(tinfo);
1771         return hres;
1772     }
1773
1774     proxy = CoTaskMemAlloc(sizeof(TMProxyImpl));
1775     if (!proxy) return E_OUTOFMEMORY;
1776
1777     assert(sizeof(TMAsmProxy) == 16);
1778
1779     proxy->dispatch = NULL;
1780     proxy->dispatch_proxy = NULL;
1781     proxy->outerunknown = pUnkOuter;
1782     proxy->asmstubs = VirtualAlloc(NULL, sizeof(TMAsmProxy) * nroffuncs, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
1783     if (!proxy->asmstubs) {
1784         ERR("Could not commit pages for proxy thunks\n");
1785         CoTaskMemFree(proxy);
1786         return E_OUTOFMEMORY;
1787     }
1788     proxy->IRpcProxyBuffer_iface.lpVtbl = &tmproxyvtable;
1789     /* one reference for the proxy */
1790     proxy->ref          = 1;
1791     proxy->tinfo        = tinfo;
1792     proxy->iid          = *riid;
1793     proxy->chanbuf      = 0;
1794
1795     InitializeCriticalSection(&proxy->crit);
1796     proxy->crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": TMProxyImpl.crit");
1797
1798     proxy->lpvtbl = HeapAlloc(GetProcessHeap(), 0, vtbl_size);
1799
1800     /* if we derive from IDispatch then defer to its proxy for its methods */
1801     hres = ITypeInfo_GetTypeAttr(tinfo, &typeattr);
1802     if (hres == S_OK)
1803     {
1804         if (typeattr->wTypeFlags & TYPEFLAG_FDISPATCHABLE)
1805         {
1806             IPSFactoryBuffer *factory_buffer;
1807             hres = get_facbuf_for_iid(&IID_IDispatch, &factory_buffer);
1808             if (hres == S_OK)
1809             {
1810                 hres = IPSFactoryBuffer_CreateProxy(factory_buffer, NULL,
1811                     &IID_IDispatch, &proxy->dispatch_proxy,
1812                     (void **)&proxy->dispatch);
1813                 IPSFactoryBuffer_Release(factory_buffer);
1814             }
1815             if ((hres == S_OK) && (nroffuncs < 7))
1816             {
1817                 ERR("nroffuncs calculated incorrectly (%d)\n", nroffuncs);
1818                 hres = E_UNEXPECTED;
1819             }
1820             if (hres == S_OK)
1821             {
1822                 defer_to_dispatch = TRUE;
1823             }
1824         }
1825         ITypeInfo_ReleaseTypeAttr(tinfo, typeattr);
1826     }
1827
1828     for (i=0;i<nroffuncs;i++) {
1829         switch (i) {
1830         case 0:
1831                 proxy->lpvtbl[i] = ProxyIUnknown_QueryInterface;
1832                 break;
1833         case 1:
1834                 proxy->lpvtbl[i] = ProxyIUnknown_AddRef;
1835                 break;
1836         case 2:
1837                 proxy->lpvtbl[i] = ProxyIUnknown_Release;
1838                 break;
1839         case 3:
1840                 if(!defer_to_dispatch)
1841                 {
1842                     hres = init_proxy_entry_point(proxy, i);
1843                     if(FAILED(hres)) return hres;
1844                 }
1845                 else proxy->lpvtbl[3] = ProxyIDispatch_GetTypeInfoCount;
1846                 break;
1847         case 4:
1848                 if(!defer_to_dispatch)
1849                 {
1850                     hres = init_proxy_entry_point(proxy, i);
1851                     if(FAILED(hres)) return hres;
1852                 }
1853                 else proxy->lpvtbl[4] = ProxyIDispatch_GetTypeInfo;
1854                 break;
1855         case 5:
1856                 if(!defer_to_dispatch)
1857                 {
1858                     hres = init_proxy_entry_point(proxy, i);
1859                     if(FAILED(hres)) return hres;
1860                 }
1861                 else proxy->lpvtbl[5] = ProxyIDispatch_GetIDsOfNames;
1862                 break;
1863         case 6:
1864                 if(!defer_to_dispatch)
1865                 {
1866                     hres = init_proxy_entry_point(proxy, i);
1867                     if(FAILED(hres)) return hres;
1868                 }
1869                 else proxy->lpvtbl[6] = ProxyIDispatch_Invoke;
1870                 break;
1871         default:
1872                 hres = init_proxy_entry_point(proxy, i);
1873                 if(FAILED(hres)) return hres;
1874         }
1875     }
1876
1877     if (hres == S_OK)
1878     {
1879         *ppv = proxy;
1880         *ppProxy = &proxy->IRpcProxyBuffer_iface;
1881         IUnknown_AddRef((IUnknown *)*ppv);
1882         return S_OK;
1883     }
1884     else
1885         TMProxyImpl_Release(&proxy->IRpcProxyBuffer_iface);
1886     return hres;
1887 }
1888
1889 typedef struct _TMStubImpl {
1890     IRpcStubBuffer              IRpcStubBuffer_iface;
1891     LONG                        ref;
1892
1893     LPUNKNOWN                   pUnk;
1894     ITypeInfo                   *tinfo;
1895     IID                         iid;
1896     IRpcStubBuffer              *dispatch_stub;
1897     BOOL                        dispatch_derivative;
1898 } TMStubImpl;
1899
1900 static inline TMStubImpl *impl_from_IRpcStubBuffer(IRpcStubBuffer *iface)
1901 {
1902     return CONTAINING_RECORD(iface, TMStubImpl, IRpcStubBuffer_iface);
1903 }
1904
1905 static HRESULT WINAPI
1906 TMStubImpl_QueryInterface(LPRPCSTUBBUFFER iface, REFIID riid, LPVOID *ppv)
1907 {
1908     if (IsEqualIID(riid,&IID_IRpcStubBuffer)||IsEqualIID(riid,&IID_IUnknown)){
1909         *ppv = iface;
1910         IRpcStubBuffer_AddRef(iface);
1911         return S_OK;
1912     }
1913     FIXME("%s, not supported IID.\n",debugstr_guid(riid));
1914     return E_NOINTERFACE;
1915 }
1916
1917 static ULONG WINAPI
1918 TMStubImpl_AddRef(LPRPCSTUBBUFFER iface)
1919 {
1920     TMStubImpl *This = impl_from_IRpcStubBuffer(iface);
1921     ULONG refCount = InterlockedIncrement(&This->ref);
1922
1923     TRACE("(%p)->(ref before=%u)\n", This, refCount - 1);
1924
1925     return refCount;
1926 }
1927
1928 static ULONG WINAPI
1929 TMStubImpl_Release(LPRPCSTUBBUFFER iface)
1930 {
1931     TMStubImpl *This = impl_from_IRpcStubBuffer(iface);
1932     ULONG refCount = InterlockedDecrement(&This->ref);
1933
1934     TRACE("(%p)->(ref before=%u)\n", This, refCount + 1);
1935
1936     if (!refCount)
1937     {
1938         IRpcStubBuffer_Disconnect(iface);
1939         ITypeInfo_Release(This->tinfo);
1940         if (This->dispatch_stub)
1941             IRpcStubBuffer_Release(This->dispatch_stub);
1942         CoTaskMemFree(This);
1943     }
1944     return refCount;
1945 }
1946
1947 static HRESULT WINAPI
1948 TMStubImpl_Connect(LPRPCSTUBBUFFER iface, LPUNKNOWN pUnkServer)
1949 {
1950     TMStubImpl *This = impl_from_IRpcStubBuffer(iface);
1951
1952     TRACE("(%p)->(%p)\n", This, pUnkServer);
1953
1954     IUnknown_AddRef(pUnkServer);
1955     This->pUnk = pUnkServer;
1956
1957     if (This->dispatch_stub)
1958         IRpcStubBuffer_Connect(This->dispatch_stub, pUnkServer);
1959
1960     return S_OK;
1961 }
1962
1963 static void WINAPI
1964 TMStubImpl_Disconnect(LPRPCSTUBBUFFER iface)
1965 {
1966     TMStubImpl *This = impl_from_IRpcStubBuffer(iface);
1967
1968     TRACE("(%p)->()\n", This);
1969
1970     if (This->pUnk)
1971     {
1972         IUnknown_Release(This->pUnk);
1973         This->pUnk = NULL;
1974     }
1975
1976     if (This->dispatch_stub)
1977         IRpcStubBuffer_Disconnect(This->dispatch_stub);
1978 }
1979
1980 static HRESULT WINAPI
1981 TMStubImpl_Invoke(
1982     LPRPCSTUBBUFFER iface, RPCOLEMESSAGE* xmsg,IRpcChannelBuffer*rpcchanbuf)
1983 {
1984 #ifdef __i386__
1985     int         i;
1986     const FUNCDESC *fdesc;
1987     TMStubImpl *This = impl_from_IRpcStubBuffer(iface);
1988     HRESULT     hres;
1989     DWORD       *args = NULL, res, *xargs, nrofargs;
1990     marshal_state       buf;
1991     UINT        nrofnames = 0;
1992     BSTR        names[10];
1993     BSTR        iname = NULL;
1994     ITypeInfo   *tinfo = NULL;
1995
1996     TRACE("...\n");
1997
1998     if (xmsg->iMethod < 3) {
1999         ERR("IUnknown methods cannot be marshaled by the typelib marshaler\n");
2000         return E_UNEXPECTED;
2001     }
2002
2003     if (This->dispatch_derivative && xmsg->iMethod < sizeof(IDispatchVtbl)/sizeof(void *))
2004     {
2005         if (!This->dispatch_stub)
2006         {
2007             IPSFactoryBuffer *factory_buffer;
2008             hres = get_facbuf_for_iid(&IID_IDispatch, &factory_buffer);
2009             if (hres == S_OK)
2010             {
2011                 hres = IPSFactoryBuffer_CreateStub(factory_buffer, &IID_IDispatch,
2012                     This->pUnk, &This->dispatch_stub);
2013                 IPSFactoryBuffer_Release(factory_buffer);
2014             }
2015             if (hres != S_OK)
2016                 return hres;
2017         }
2018         return IRpcStubBuffer_Invoke(This->dispatch_stub, xmsg, rpcchanbuf);
2019     }
2020
2021     memset(&buf,0,sizeof(buf));
2022     buf.size    = xmsg->cbBuffer;
2023     buf.base    = HeapAlloc(GetProcessHeap(), 0, xmsg->cbBuffer);
2024     memcpy(buf.base, xmsg->Buffer, xmsg->cbBuffer);
2025     buf.curoff  = 0;
2026
2027     hres = get_funcdesc(This->tinfo,xmsg->iMethod,&tinfo,&fdesc,&iname,NULL,NULL);
2028     if (hres) {
2029         ERR("GetFuncDesc on method %d failed with %x\n",xmsg->iMethod,hres);
2030         return hres;
2031     }
2032
2033     if (iname && !lstrcmpW(iname, IDispatchW))
2034     {
2035         ERR("IDispatch cannot be marshaled by the typelib marshaler\n");
2036         hres = E_UNEXPECTED;
2037         SysFreeString (iname);
2038         goto exit;
2039     }
2040
2041     SysFreeString (iname);
2042
2043     /* Need them for hack below */
2044     memset(names,0,sizeof(names));
2045     ITypeInfo_GetNames(tinfo,fdesc->memid,names,sizeof(names)/sizeof(names[0]),&nrofnames);
2046     if (nrofnames > sizeof(names)/sizeof(names[0])) {
2047         ERR("Need more names!\n");
2048     }
2049
2050     /*dump_FUNCDESC(fdesc);*/
2051     nrofargs = 0;
2052     for (i=0;i<fdesc->cParams;i++)
2053         nrofargs += _argsize(&fdesc->lprgelemdescParam[i].tdesc, tinfo);
2054     args = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,(nrofargs+1)*sizeof(DWORD));
2055     if (!args)
2056     {
2057         hres = E_OUTOFMEMORY;
2058         goto exit;
2059     }
2060
2061     /* Allocate all stuff used by call. */
2062     xargs = args+1;
2063     for (i=0;i<fdesc->cParams;i++) {
2064         ELEMDESC        *elem = fdesc->lprgelemdescParam+i;
2065
2066         hres = deserialize_param(
2067            tinfo,
2068            is_in_elem(elem),
2069            FALSE,
2070            TRUE,
2071            &(elem->tdesc),
2072            xargs,
2073            &buf
2074         );
2075         xargs += _argsize(&elem->tdesc, tinfo);
2076         if (hres) {
2077             ERR("Failed to deserialize param %s, hres %x\n",relaystr(names[i+1]),hres);
2078             break;
2079         }
2080     }
2081
2082     args[0] = (DWORD)This->pUnk;
2083
2084     __TRY
2085     {
2086         res = _invoke(
2087             (*((FARPROC**)args[0]))[fdesc->oVft/4],
2088             fdesc->callconv,
2089             (xargs-args),
2090             args
2091         );
2092     }
2093     __EXCEPT_ALL
2094     {
2095         DWORD dwExceptionCode = GetExceptionCode();
2096         ERR("invoke call failed with exception 0x%08x (%d)\n", dwExceptionCode, dwExceptionCode);
2097         if (FAILED(dwExceptionCode))
2098             hres = dwExceptionCode;
2099         else
2100             hres = HRESULT_FROM_WIN32(dwExceptionCode);
2101     }
2102     __ENDTRY
2103
2104     if (hres != S_OK)
2105         goto exit;
2106
2107     buf.curoff = 0;
2108
2109     xargs = args+1;
2110     for (i=0;i<fdesc->cParams;i++) {
2111         ELEMDESC        *elem = fdesc->lprgelemdescParam+i;
2112         hres = serialize_param(
2113            tinfo,
2114            is_out_elem(elem),
2115            FALSE,
2116            TRUE,
2117            &elem->tdesc,
2118            xargs,
2119            &buf
2120         );
2121         xargs += _argsize(&elem->tdesc, tinfo);
2122         if (hres) {
2123             ERR("Failed to stuballoc param, hres %x\n",hres);
2124             break;
2125         }
2126     }
2127
2128     hres = xbuf_add (&buf, (LPBYTE)&res, sizeof(DWORD));
2129
2130     if (hres != S_OK)
2131         goto exit;
2132
2133     xmsg->cbBuffer      = buf.curoff;
2134     hres = IRpcChannelBuffer_GetBuffer(rpcchanbuf, xmsg, &This->iid);
2135     if (hres != S_OK)
2136         ERR("IRpcChannelBuffer_GetBuffer failed with error 0x%08x\n", hres);
2137
2138     if (hres == S_OK)
2139         memcpy(xmsg->Buffer, buf.base, buf.curoff);
2140
2141 exit:
2142     for (i = 0; i < nrofnames; i++)
2143         SysFreeString(names[i]);
2144
2145     ITypeInfo_Release(tinfo);
2146     HeapFree(GetProcessHeap(), 0, args);
2147
2148     HeapFree(GetProcessHeap(), 0, buf.base);
2149
2150     TRACE("returning\n");
2151     return hres;
2152 #else
2153     FIXME( "not implemented on non-i386\n" );
2154     return E_FAIL;
2155 #endif
2156 }
2157
2158 static LPRPCSTUBBUFFER WINAPI
2159 TMStubImpl_IsIIDSupported(LPRPCSTUBBUFFER iface, REFIID riid) {
2160     FIXME("Huh (%s)?\n",debugstr_guid(riid));
2161     return NULL;
2162 }
2163
2164 static ULONG WINAPI
2165 TMStubImpl_CountRefs(LPRPCSTUBBUFFER iface) {
2166     TMStubImpl *This = impl_from_IRpcStubBuffer(iface);
2167
2168     FIXME("()\n");
2169     return This->ref; /*FIXME? */
2170 }
2171
2172 static HRESULT WINAPI
2173 TMStubImpl_DebugServerQueryInterface(LPRPCSTUBBUFFER iface, LPVOID *ppv) {
2174     return E_NOTIMPL;
2175 }
2176
2177 static void WINAPI
2178 TMStubImpl_DebugServerRelease(LPRPCSTUBBUFFER iface, LPVOID ppv) {
2179     return;
2180 }
2181
2182 static const IRpcStubBufferVtbl tmstubvtbl = {
2183     TMStubImpl_QueryInterface,
2184     TMStubImpl_AddRef,
2185     TMStubImpl_Release,
2186     TMStubImpl_Connect,
2187     TMStubImpl_Disconnect,
2188     TMStubImpl_Invoke,
2189     TMStubImpl_IsIIDSupported,
2190     TMStubImpl_CountRefs,
2191     TMStubImpl_DebugServerQueryInterface,
2192     TMStubImpl_DebugServerRelease
2193 };
2194
2195 static HRESULT WINAPI
2196 PSFacBuf_CreateStub(
2197     LPPSFACTORYBUFFER iface, REFIID riid,IUnknown *pUnkServer,
2198     IRpcStubBuffer** ppStub
2199 ) {
2200     HRESULT hres;
2201     ITypeInfo   *tinfo;
2202     TMStubImpl  *stub;
2203     TYPEATTR *typeattr;
2204
2205     TRACE("(%s,%p,%p)\n",debugstr_guid(riid),pUnkServer,ppStub);
2206
2207     hres = _get_typeinfo_for_iid(riid,&tinfo);
2208     if (hres) {
2209         ERR("No typeinfo for %s?\n",debugstr_guid(riid));
2210         return hres;
2211     }
2212
2213     stub = CoTaskMemAlloc(sizeof(TMStubImpl));
2214     if (!stub)
2215         return E_OUTOFMEMORY;
2216     stub->IRpcStubBuffer_iface.lpVtbl = &tmstubvtbl;
2217     stub->ref           = 1;
2218     stub->tinfo         = tinfo;
2219     stub->dispatch_stub = NULL;
2220     stub->dispatch_derivative = FALSE;
2221     stub->iid           = *riid;
2222     hres = IRpcStubBuffer_Connect(&stub->IRpcStubBuffer_iface,pUnkServer);
2223     *ppStub = &stub->IRpcStubBuffer_iface;
2224     TRACE("IRpcStubBuffer: %p\n", stub);
2225     if (hres)
2226         ERR("Connect to pUnkServer failed?\n");
2227
2228     /* if we derive from IDispatch then defer to its stub for some of its methods */
2229     hres = ITypeInfo_GetTypeAttr(tinfo, &typeattr);
2230     if (hres == S_OK)
2231     {
2232         if (typeattr->wTypeFlags & TYPEFLAG_FDISPATCHABLE)
2233             stub->dispatch_derivative = TRUE;
2234         ITypeInfo_ReleaseTypeAttr(tinfo, typeattr);
2235     }
2236
2237     return hres;
2238 }
2239
2240 static const IPSFactoryBufferVtbl psfacbufvtbl = {
2241     PSFacBuf_QueryInterface,
2242     PSFacBuf_AddRef,
2243     PSFacBuf_Release,
2244     PSFacBuf_CreateProxy,
2245     PSFacBuf_CreateStub
2246 };
2247
2248 /* This is the whole PSFactoryBuffer object, just the vtableptr */
2249 static const IPSFactoryBufferVtbl *lppsfac = &psfacbufvtbl;
2250
2251 /***********************************************************************
2252  *           TMARSHAL_DllGetClassObject
2253  */
2254 HRESULT TMARSHAL_DllGetClassObject(REFCLSID rclsid, REFIID iid,LPVOID *ppv)
2255 {
2256     if (IsEqualIID(iid,&IID_IPSFactoryBuffer)) {
2257         *ppv = &lppsfac;
2258         return S_OK;
2259     }
2260     return E_NOINTERFACE;
2261 }