dlls/oleaut32/tmarshal.c

   1 /*
   2  *      TYPELIB Marshaler
   3  *
   4  *      Copyright 2002  Marcus Meissner
   5  *
   6  * The olerelay debug channel allows you to see calls marshalled by
   7  * the typelib marshaller. It is not a generic COM relaying system.
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22  */
  23
  24 #include "config.h"
  25
  26 #include <assert.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29 #include <stdarg.h>
  30 #include <stdio.h>
  31 #include <ctype.h>
  32
  33 #define NONAMELESSUNION
  34 #define NONAMELESSSTRUCT
  35 #include "winerror.h"
  36 #include "windef.h"
  37 #include "winbase.h"
  38 #include "winnls.h"
  39 #include "winreg.h"
  40 #include "winuser.h"
  41
  42 #include "ole2.h"
  43 #include "wine/unicode.h"
  44 #include "ole2disp.h"
  45 #include "typelib.h"
  46 #include "wine/debug.h"
  47 #include "winternl.h"
  48
  49 static const WCHAR riidW[5] = {'r','i','i','d',0};
  50 static const WCHAR pdispparamsW[] = {'p','d','i','s','p','p','a','r','a','m','s',0};
  51 static const WCHAR ppvObjectW[] = {'p','p','v','O','b','j','e','c','t',0};
  52
  53 WINE_DEFAULT_DEBUG_CHANNEL(ole);
  54 WINE_DECLARE_DEBUG_CHANNEL(olerelay);
  55
  56 #define ICOM_THIS_MULTI(impl,field,iface) impl* const This=(impl*)((char*)(iface) - offsetof(impl,field))
  57
  58 typedef struct _marshal_state {
  59     LPBYTE      base;
  60     int         size;
  61     int         curoff;
  62
  63     BOOL        thisisiid;
  64     IID         iid;    /* HACK: for VT_VOID */
  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_add(marshal_state *buf, LPBYTE stuff, DWORD size) {
  77     while (buf->size - buf->curoff < size) {
  78         if (buf->base) {
  79             buf->size += 100;
  80             buf->base = HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,buf->base,buf->size);
  81             if (!buf->base)
  82                 return E_OUTOFMEMORY;
  83         } else {
  84             buf->base = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,32);
  85             buf->size = 32;
  86             if (!buf->base)
  87                 return E_OUTOFMEMORY;
  88         }
  89     }
  90     memcpy(buf->base+buf->curoff,stuff,size);
  91     buf->curoff += size;
  92     return S_OK;
  93 }
  94
  95 static HRESULT
  96 xbuf_get(marshal_state *buf, LPBYTE stuff, DWORD size) {
  97     if (buf->size < buf->curoff+size) return E_FAIL;
  98     memcpy(stuff,buf->base+buf->curoff,size);
  99     buf->curoff += size;
 100     return S_OK;
 101 }
 102
 103 static HRESULT
 104 xbuf_skip(marshal_state *buf, DWORD size) {
 105     if (buf->size < buf->curoff+size) return E_FAIL;
 106     buf->curoff += size;
 107     return S_OK;
 108 }
 109
 110 static HRESULT
 111 _unmarshal_interface(marshal_state *buf, REFIID riid, LPUNKNOWN *pUnk) {
 112     IStream             *pStm;
 113     ULARGE_INTEGER      newpos;
 114     LARGE_INTEGER       seekto;
 115     ULONG               res;
 116     HRESULT             hres;
 117     DWORD               xsize;
 118
 119     TRACE("...%s...\n",debugstr_guid(riid));
 120     *pUnk = NULL;
 121     hres = xbuf_get(buf,(LPBYTE)&xsize,sizeof(xsize));
 122     if (hres) return hres;
 123     if (xsize == 0) return S_OK;
 124     hres = CreateStreamOnHGlobal(0,TRUE,&pStm);
 125     if (hres) {
 126         FIXME("Stream create failed %lx\n",hres);
 127         return hres;
 128     }
 129     hres = IStream_Write(pStm,buf->base+buf->curoff,xsize,&res);
 130     if (hres) { FIXME("stream write %lx\n",hres); return hres; }
 131     memset(&seekto,0,sizeof(seekto));
 132     hres = IStream_Seek(pStm,seekto,SEEK_SET,&newpos);
 133     if (hres) { FIXME("Failed Seek %lx\n",hres); return hres;}
 134     hres = CoUnmarshalInterface(pStm,riid,(LPVOID*)pUnk);
 135     if (hres) {
 136         FIXME("Marshalling interface %s failed with %lx\n",debugstr_guid(riid),hres);
 137         return hres;
 138     }
 139     IStream_Release(pStm);
 140     return xbuf_skip(buf,xsize);
 141 }
 142
 143 static HRESULT
 144 _marshal_interface(marshal_state *buf, REFIID riid, LPUNKNOWN pUnk) {
 145     LPUNKNOWN           newiface;
 146     LPBYTE              tempbuf;
 147     IStream             *pStm;
 148     STATSTG             ststg;
 149     ULARGE_INTEGER      newpos;
 150     LARGE_INTEGER       seekto;
 151     ULONG               res;
 152     DWORD               xsize;
 153     HRESULT             hres;
 154
 155     hres = S_OK;
 156     if (!pUnk)
 157         goto fail;
 158
 159     TRACE("...%s...\n",debugstr_guid(riid));
 160     hres=IUnknown_QueryInterface(pUnk,riid,(LPVOID*)&newiface);
 161     if (hres) {
 162         TRACE("%p does not support iface %s\n",pUnk,debugstr_guid(riid));
 163         goto fail;
 164     }
 165     hres = CreateStreamOnHGlobal(0,TRUE,&pStm);
 166     if (hres) {
 167         FIXME("Stream create failed %lx\n",hres);
 168         goto fail;
 169     }
 170     hres = CoMarshalInterface(pStm,riid,newiface,0,NULL,0);
 171     IUnknown_Release(newiface);
 172     if (hres) {
 173         FIXME("Marshalling interface %s failed with %lx\n",
 174                 debugstr_guid(riid),hres
 175         );
 176         goto fail;
 177     }
 178     hres = IStream_Stat(pStm,&ststg,0);
 179     tempbuf = HeapAlloc(GetProcessHeap(), 0, ststg.cbSize.u.LowPart);
 180     memset(&seekto,0,sizeof(seekto));
 181     hres = IStream_Seek(pStm,seekto,SEEK_SET,&newpos);
 182     if (hres) { FIXME("Failed Seek %lx\n",hres); goto fail;}
 183     hres = IStream_Read(pStm,tempbuf,ststg.cbSize.u.LowPart,&res);
 184     if (hres) { FIXME("Failed Read %lx\n",hres); goto fail;}
 185     IStream_Release(pStm);
 186     xsize = ststg.cbSize.u.LowPart;
 187     xbuf_add(buf,(LPBYTE)&xsize,sizeof(xsize));
 188     hres = xbuf_add(buf,tempbuf,ststg.cbSize.u.LowPart);
 189     HeapFree(GetProcessHeap(),0,tempbuf);
 190     return hres;
 191 fail:
 192     xsize = 0;
 193     xbuf_add(buf,(LPBYTE)&xsize,sizeof(xsize));
 194     return hres;
 195 }
 196
 197 /********************* OLE Proxy/Stub Factory ********************************/
 198 static HRESULT WINAPI
 199 PSFacBuf_QueryInterface(LPPSFACTORYBUFFER iface, REFIID iid, LPVOID *ppv) {
 200     if (IsEqualIID(iid,&IID_IPSFactoryBuffer)||IsEqualIID(iid,&IID_IUnknown)) {
 201         *ppv = (LPVOID)iface;
 202         /* No ref counting, static class */
 203         return S_OK;
 204     }
 205     FIXME("(%s) unknown IID?\n",debugstr_guid(iid));
 206     return E_NOINTERFACE;
 207 }
 208
 209 static ULONG WINAPI PSFacBuf_AddRef(LPPSFACTORYBUFFER iface) { return 2; }
 210 static ULONG WINAPI PSFacBuf_Release(LPPSFACTORYBUFFER iface) { return 1; }
 211
 212 static HRESULT
 213 _get_typeinfo_for_iid(REFIID riid, ITypeInfo**ti) {
 214     HRESULT     hres;
 215     HKEY        ikey;
 216     char        tlguid[200],typelibkey[300],interfacekey[300],ver[100];
 217     char        tlfn[260];
 218     OLECHAR     tlfnW[260];
 219     DWORD       tlguidlen, verlen, type, tlfnlen;
 220     ITypeLib    *tl;
 221
 222     sprintf( interfacekey, "Interface\\{%08lx-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}\\Typelib",
 223         riid->Data1, riid->Data2, riid->Data3,
 224         riid->Data4[0], riid->Data4[1], riid->Data4[2], riid->Data4[3],
 225         riid->Data4[4], riid->Data4[5], riid->Data4[6], riid->Data4[7]
 226     );
 227
 228     if (RegOpenKeyA(HKEY_CLASSES_ROOT,interfacekey,&ikey)) {
 229         FIXME("No %s key found.\n",interfacekey);
 230         return E_FAIL;
 231     }
 232     type = (1<<REG_SZ);
 233     tlguidlen = sizeof(tlguid);
 234     if (RegQueryValueExA(ikey,NULL,NULL,&type,tlguid,&tlguidlen)) {
 235         FIXME("Getting typelib guid failed.\n");
 236         RegCloseKey(ikey);
 237         return E_FAIL;
 238     }
 239     type = (1<<REG_SZ);
 240     verlen = sizeof(ver);
 241     if (RegQueryValueExA(ikey,"Version",NULL,&type,ver,&verlen)) {
 242         FIXME("Could not get version value?\n");
 243         RegCloseKey(ikey);
 244         return E_FAIL;
 245     }
 246     RegCloseKey(ikey);
 247     sprintf(typelibkey,"Typelib\\%s\\%s\\0\\win32",tlguid,ver);
 248     tlfnlen = sizeof(tlfn);
 249     if (RegQueryValueA(HKEY_CLASSES_ROOT,typelibkey,tlfn,&tlfnlen)) {
 250         FIXME("Could not get typelib fn?\n");
 251         return E_FAIL;
 252     }
 253     MultiByteToWideChar(CP_ACP, 0, tlfn, -1, tlfnW, -1);
 254     hres = LoadTypeLib(tlfnW,&tl);
 255     if (hres) {
 256         ERR("Failed to load typelib for %s, but it should be there.\n",debugstr_guid(riid));
 257         return hres;
 258     }
 259     hres = ITypeLib_GetTypeInfoOfGuid(tl,riid,ti);
 260     if (hres) {
 261         ERR("typelib does not contain info for %s?\n",debugstr_guid(riid));
 262         ITypeLib_Release(tl);
 263         return hres;
 264     }
 265     /* FIXME: do this?  ITypeLib_Release(tl); */
 266     return hres;
 267 }
 268
 269 /* Determine nr of functions. Since we use the toplevel interface and all
 270  * inherited ones have lower numbers, we are ok to not to descent into
 271  * the inheritance tree I think.
 272  */
 273 static int _nroffuncs(ITypeInfo *tinfo) {
 274     int         n, max = 0;
 275     FUNCDESC    *fdesc;
 276     HRESULT     hres;
 277
 278     n=0;
 279     while (1) {
 280         hres = ITypeInfo_GetFuncDesc(tinfo,n,&fdesc);
 281         if (hres)
 282             return max+1;
 283         if (fdesc->oVft/4 > max)
 284             max = fdesc->oVft/4;
 285         n++;
 286     }
 287     /*NOTREACHED*/
 288 }
 289
 290 #ifdef __i386__
 291
 292 #include "pshpack1.h"
 293
 294 typedef struct _TMAsmProxy {
 295     BYTE        popleax;
 296     BYTE        pushlval;
 297     BYTE        nr;
 298     BYTE        pushleax;
 299     BYTE        lcall;
 300     DWORD       xcall;
 301     BYTE        lret;
 302     WORD        bytestopop;
 303 } TMAsmProxy;
 304
 305 #include "poppack.h"
 306
 307 #else /* __i386__ */
 308 # error You need to implement stubless proxies for your architecture
 309 #endif
 310
 311 typedef struct _TMProxyImpl {
 312     LPVOID                              *lpvtbl;
 313     IRpcProxyBufferVtbl *lpvtbl2;
 314     ULONG                               ref;
 315
 316     TMAsmProxy                          *asmstubs;
 317     ITypeInfo*                          tinfo;
 318     IRpcChannelBuffer*                  chanbuf;
 319     IID                                 iid;
 320     CRITICAL_SECTION    crit;
 321 } TMProxyImpl;
 322
 323 static HRESULT WINAPI
 324 TMProxyImpl_QueryInterface(LPRPCPROXYBUFFER iface, REFIID riid, LPVOID *ppv)
 325 {
 326     TRACE("()\n");
 327     if (IsEqualIID(riid,&IID_IUnknown)||IsEqualIID(riid,&IID_IRpcProxyBuffer)) {
 328         *ppv = (LPVOID)iface;
 329         IRpcProxyBuffer_AddRef(iface);
 330         return S_OK;
 331     }
 332     FIXME("no interface for %s\n",debugstr_guid(riid));
 333     return E_NOINTERFACE;
 334 }
 335
 336 static ULONG WINAPI
 337 TMProxyImpl_AddRef(LPRPCPROXYBUFFER iface)
 338 {
 339     ICOM_THIS_MULTI(TMProxyImpl,lpvtbl2,iface);
 340
 341     TRACE("()\n");
 342
 343     return InterlockedIncrement(&This->ref);
 344 }
 345
 346 static ULONG WINAPI
 347 TMProxyImpl_Release(LPRPCPROXYBUFFER iface)
 348 {
 349     ULONG refs;
 350     ICOM_THIS_MULTI(TMProxyImpl,lpvtbl2,iface);
 351
 352     TRACE("()\n");
 353
 354     refs = InterlockedDecrement(&This->ref);
 355     if (!refs)
 356     {
 357         DeleteCriticalSection(&This->crit);
 358         if (This->chanbuf) IRpcChannelBuffer_Release(This->chanbuf);
 359         VirtualFree(This->asmstubs, 0, MEM_RELEASE);
 360         CoTaskMemFree(This);
 361     }
 362     return refs;
 363 }
 364
 365 static HRESULT WINAPI
 366 TMProxyImpl_Connect(
 367     LPRPCPROXYBUFFER iface,IRpcChannelBuffer* pRpcChannelBuffer)
 368 {
 369     ICOM_THIS_MULTI(TMProxyImpl, lpvtbl2, iface);
 370
 371     TRACE("(%p)\n", pRpcChannelBuffer);
 372
 373     EnterCriticalSection(&This->crit);
 374
 375     IRpcChannelBuffer_AddRef(pRpcChannelBuffer);
 376     This->chanbuf = pRpcChannelBuffer;
 377
 378     LeaveCriticalSection(&This->crit);
 379
 380     return S_OK;
 381 }
 382
 383 static void WINAPI
 384 TMProxyImpl_Disconnect(LPRPCPROXYBUFFER iface)
 385 {
 386     ICOM_THIS_MULTI(TMProxyImpl, lpvtbl2, iface);
 387
 388     TRACE("()\n");
 389
 390     EnterCriticalSection(&This->crit);
 391
 392     IRpcChannelBuffer_Release(This->chanbuf);
 393     This->chanbuf = NULL;
 394
 395     LeaveCriticalSection(&This->crit);
 396 }
 397
 398
 399 static IRpcProxyBufferVtbl tmproxyvtable = {
 400     TMProxyImpl_QueryInterface,
 401     TMProxyImpl_AddRef,
 402     TMProxyImpl_Release,
 403     TMProxyImpl_Connect,
 404     TMProxyImpl_Disconnect
 405 };
 406
 407 /* how much space do we use on stack in DWORD steps. */
 408 int
 409 _argsize(DWORD vt) {
 410     switch (vt) {
 411     case VT_DATE:
 412         return sizeof(DATE)/sizeof(DWORD);
 413     case VT_VARIANT:
 414         return (sizeof(VARIANT)+3)/sizeof(DWORD);
 415     default:
 416         return 1;
 417     }
 418 }
 419
 420 static int
 421 _xsize(TYPEDESC *td) {
 422     switch (td->vt) {
 423     case VT_DATE:
 424         return sizeof(DATE);
 425     case VT_VARIANT:
 426         return sizeof(VARIANT)+3;
 427     case VT_CARRAY: {
 428         int i, arrsize = 1;
 429         ARRAYDESC *adesc = td->u.lpadesc;
 430
 431         for (i=0;i<adesc->cDims;i++)
 432             arrsize *= adesc->rgbounds[i].cElements;
 433         return arrsize*_xsize(&adesc->tdescElem);
 434     }
 435     case VT_UI2:
 436     case VT_I2:
 437         return 2;
 438     case VT_UI1:
 439     case VT_I1:
 440         return 1;
 441     default:
 442         return 4;
 443     }
 444 }
 445
 446 static HRESULT
 447 serialize_param(
 448     ITypeInfo           *tinfo,
 449     BOOL                writeit,
 450     BOOL                debugout,
 451     BOOL                dealloc,
 452     TYPEDESC            *tdesc,
 453     DWORD               *arg,
 454     marshal_state       *buf)
 455 {
 456     HRESULT hres = S_OK;
 457
 458     TRACE("(tdesc.vt %d)\n",tdesc->vt);
 459
 460     switch (tdesc->vt) {
 461     case VT_EMPTY: /* nothing. empty variant for instance */
 462         return S_OK;
 463     case VT_BOOL:
 464     case VT_ERROR:
 465     case VT_UI4:
 466     case VT_UINT:
 467     case VT_I4:
 468     case VT_R4:
 469     case VT_UI2:
 470     case VT_UI1:
 471         hres = S_OK;
 472         if (debugout) TRACE_(olerelay)("%lx",*arg);
 473         if (writeit)
 474             hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
 475         return hres;
 476     case VT_VARIANT: {
 477         TYPEDESC        tdesc2;
 478         VARIANT         *vt = (VARIANT*)arg;
 479         DWORD           vttype = V_VT(vt);
 480
 481         if (debugout) TRACE_(olerelay)("Vt(%ld)(",vttype);
 482         tdesc2.vt = vttype;
 483         if (writeit) {
 484             hres = xbuf_add(buf,(LPBYTE)&vttype,sizeof(vttype));
 485             if (hres) return hres;
 486         }
 487         /* need to recurse since we need to free the stuff */
 488         hres = serialize_param(tinfo,writeit,debugout,dealloc,&tdesc2,&(V_I4(vt)),buf);
 489         if (debugout) TRACE_(olerelay)(")");
 490         return hres;
 491     }
 492     case VT_BSTR: {
 493         if (debugout) {
 494             if (arg)
 495                     TRACE_(olerelay)("%s",relaystr((BSTR)*arg));
 496             else
 497                     TRACE_(olerelay)("<bstr NULL>");
 498         }
 499         if (writeit) {
 500             if (!*arg) {
 501                 DWORD fakelen = -1;
 502                 hres = xbuf_add(buf,(LPBYTE)&fakelen,4);
 503                 if (hres)
 504                     return hres;
 505             } else {
 506                 DWORD *bstr = ((DWORD*)(*arg))-1;
 507
 508                 hres = xbuf_add(buf,(LPBYTE)bstr,bstr[0]+4);
 509                 if (hres)
 510                     return hres;
 511             }
 512         }
 513
 514         if (dealloc && arg)
 515             SysFreeString((BSTR)*arg);
 516         return S_OK;
 517     }
 518     case VT_PTR: {
 519         DWORD cookie;
 520
 521         if (debugout) TRACE_(olerelay)("*");
 522         if (writeit) {
 523             cookie = *arg ? 0x42424242 : 0;
 524             hres = xbuf_add(buf,(LPBYTE)&cookie,sizeof(cookie));
 525             if (hres)
 526                 return hres;
 527         }
 528         if (!*arg) {
 529             if (debugout) TRACE_(olerelay)("NULL");
 530             return S_OK;
 531         }
 532         hres = serialize_param(tinfo,writeit,debugout,dealloc,tdesc->u.lptdesc,(DWORD*)*arg,buf);
 533         if (dealloc) HeapFree(GetProcessHeap(),0,(LPVOID)arg);
 534         return hres;
 535     }
 536     case VT_UNKNOWN:
 537         if (debugout) TRACE_(olerelay)("unk(0x%lx)",*arg);
 538         if (writeit)
 539             hres = _marshal_interface(buf,&IID_IUnknown,(LPUNKNOWN)*arg);
 540         return hres;
 541     case VT_DISPATCH:
 542         if (debugout) TRACE_(olerelay)("idisp(0x%lx)",*arg);
 543         if (writeit)
 544             hres = _marshal_interface(buf,&IID_IDispatch,(LPUNKNOWN)*arg);
 545         return hres;
 546     case VT_VOID:
 547         if (debugout) TRACE_(olerelay)("<void>");
 548         return S_OK;
 549     case VT_USERDEFINED: {
 550         ITypeInfo       *tinfo2;
 551         TYPEATTR        *tattr;
 552
 553         hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.hreftype,&tinfo2);
 554         if (hres) {
 555             FIXME("Could not get typeinfo of hreftype %lx for VT_USERDEFINED.\n",tdesc->u.hreftype);
 556             return hres;
 557         }
 558         ITypeInfo_GetTypeAttr(tinfo2,&tattr);
 559         switch (tattr->typekind) {
 560         case TKIND_DISPATCH:
 561         case TKIND_INTERFACE:
 562             if (writeit)
 563                hres=_marshal_interface(buf,&(tattr->guid),(LPUNKNOWN)arg);
 564             break;
 565         case TKIND_RECORD: {
 566             int i;
 567             if (debugout) TRACE_(olerelay)("{");
 568             for (i=0;i<tattr->cVars;i++) {
 569                 VARDESC *vdesc;
 570                 ELEMDESC *elem2;
 571                 TYPEDESC *tdesc2;
 572
 573                 hres = ITypeInfo2_GetVarDesc(tinfo2, i, &vdesc);
 574                 if (hres) {
 575                     FIXME("Could not get vardesc of %d\n",i);
 576                     return hres;
 577                 }
 578                 /* Need them for hack below */
 579                 /*
 580                 memset(names,0,sizeof(names));
 581                 hres = ITypeInfo_GetNames(tinfo2,vdesc->memid,names,sizeof(names)/sizeof(names[0]),&nrofnames);
 582                 if (nrofnames > sizeof(names)/sizeof(names[0])) {
 583                     ERR("Need more names!\n");
 584                 }
 585                 if (!hres && debugout)
 586                     TRACE_(olerelay)("%s=",relaystr(names[0]));
 587                 */
 588                 elem2 = &vdesc->elemdescVar;
 589                 tdesc2 = &elem2->tdesc;
 590                 hres = serialize_param(
 591                     tinfo2,
 592                     writeit,
 593                     debugout,
 594                     dealloc,
 595                     tdesc2,
 596                     (DWORD*)(((LPBYTE)arg)+vdesc->u.oInst),
 597                     buf
 598                 );
 599                 if (hres!=S_OK)
 600                     return hres;
 601                 if (debugout && (i<(tattr->cVars-1)))
 602                     TRACE_(olerelay)(",");
 603             }
 604             if (buf->thisisiid && (tattr->cbSizeInstance==sizeof(GUID)))
 605                 memcpy(&(buf->iid),arg,sizeof(buf->iid));
 606             if (debugout) TRACE_(olerelay)("}");
 607             break;
 608         }
 609         default:
 610             FIXME("Unhandled typekind %d\n",tattr->typekind);
 611             hres = E_FAIL;
 612             break;
 613         }
 614         ITypeInfo_Release(tinfo2);
 615         return hres;
 616     }
 617     case VT_CARRAY: {
 618         ARRAYDESC *adesc = tdesc->u.lpadesc;
 619         int i, arrsize = 1;
 620
 621         if (debugout) TRACE_(olerelay)("carr");
 622         for (i=0;i<adesc->cDims;i++) {
 623             if (debugout) TRACE_(olerelay)("[%ld]",adesc->rgbounds[i].cElements);
 624             arrsize *= adesc->rgbounds[i].cElements;
 625         }
 626         if (debugout) TRACE_(olerelay)("[");
 627         for (i=0;i<arrsize;i++) {
 628             hres = serialize_param(tinfo, writeit, debugout, dealloc, &adesc->tdescElem, (DWORD*)((LPBYTE)arg+i*_xsize(&adesc->tdescElem)), buf);
 629             if (hres)
 630                 return hres;
 631             if (debugout && (i<arrsize-1)) TRACE_(olerelay)(",");
 632         }
 633         if (debugout) TRACE_(olerelay)("]");
 634         return S_OK;
 635     }
 636     default:
 637         ERR("Unhandled marshal type %d.\n",tdesc->vt);
 638         return S_OK;
 639     }
 640 }
 641
 642 static HRESULT
 643 serialize_LPVOID_ptr(
 644     ITypeInfo           *tinfo,
 645     BOOL                writeit,
 646     BOOL                debugout,
 647     BOOL                dealloc,
 648     TYPEDESC            *tdesc,
 649     DWORD               *arg,
 650     marshal_state       *buf)
 651 {
 652     HRESULT     hres;
 653     DWORD       cookie;
 654
 655     if ((tdesc->vt != VT_PTR)                   ||
 656         (tdesc->u.lptdesc->vt != VT_PTR)        ||
 657         (tdesc->u.lptdesc->u.lptdesc->vt != VT_VOID)
 658     ) {
 659         FIXME("ppvObject not expressed as VT_PTR -> VT_PTR -> VT_VOID?\n");
 660         return E_FAIL;
 661     }
 662     cookie = (*arg) ? 0x42424242: 0x0;
 663     if (writeit) {
 664         hres = xbuf_add(buf, (LPVOID)&cookie, sizeof(cookie));
 665         if (hres)
 666             return hres;
 667     }
 668     if (!*arg) {
 669         if (debugout) TRACE_(olerelay)("<lpvoid NULL>");
 670         return S_OK;
 671     }
 672     if (debugout)
 673         TRACE_(olerelay)("ppv(%p)",*(LPUNKNOWN*)*arg);
 674     if (writeit) {
 675         hres = _marshal_interface(buf,&(buf->iid),*(LPUNKNOWN*)*arg);
 676         if (hres)
 677             return hres;
 678     }
 679     if (dealloc)
 680         HeapFree(GetProcessHeap(),0,(LPVOID)*arg);
 681     return S_OK;
 682 }
 683
 684 static HRESULT
 685 serialize_DISPPARAM_ptr(
 686     ITypeInfo           *tinfo,
 687     BOOL                writeit,
 688     BOOL                debugout,
 689     BOOL                dealloc,
 690     TYPEDESC            *tdesc,
 691     DWORD               *arg,
 692     marshal_state       *buf)
 693 {
 694     DWORD       cookie;
 695     HRESULT     hres;
 696     DISPPARAMS  *disp;
 697     int         i;
 698
 699     if ((tdesc->vt != VT_PTR) || (tdesc->u.lptdesc->vt != VT_USERDEFINED)) {
 700         FIXME("DISPPARAMS not expressed as VT_PTR -> VT_USERDEFINED?\n");
 701         return E_FAIL;
 702     }
 703
 704     cookie = *arg ? 0x42424242 : 0x0;
 705     if (writeit) {
 706         hres = xbuf_add(buf,(LPBYTE)&cookie,sizeof(cookie));
 707         if (hres)
 708             return hres;
 709     }
 710     if (!*arg) {
 711         if (debugout) TRACE_(olerelay)("<DISPPARAMS NULL>");
 712         return S_OK;
 713     }
 714     disp = (DISPPARAMS*)*arg;
 715     if (writeit) {
 716         hres = xbuf_add(buf,(LPBYTE)&disp->cArgs,sizeof(disp->cArgs));
 717         if (hres)
 718             return hres;
 719     }
 720     if (debugout) TRACE_(olerelay)("D{");
 721     for (i=0;i<disp->cArgs;i++) {
 722         TYPEDESC        vtdesc;
 723
 724         vtdesc.vt = VT_VARIANT;
 725         serialize_param(
 726             tinfo,
 727             writeit,
 728             debugout,
 729             dealloc,
 730             &vtdesc,
 731             (DWORD*)(disp->rgvarg+i),
 732             buf
 733         );
 734         if (debugout && (i<disp->cArgs-1))
 735             TRACE_(olerelay)(",");
 736     }
 737     if (dealloc)
 738         HeapFree(GetProcessHeap(),0,disp->rgvarg);
 739     if (writeit) {
 740         hres = xbuf_add(buf,(LPBYTE)&disp->cNamedArgs,sizeof(disp->cNamedArgs));
 741         if (hres)
 742             return hres;
 743     }
 744     if (debugout) TRACE_(olerelay)("}{");
 745     for (i=0;i<disp->cNamedArgs;i++) {
 746         TYPEDESC        vtdesc;
 747
 748         vtdesc.vt = VT_UINT;
 749         serialize_param(
 750             tinfo,
 751             writeit,
 752             debugout,
 753             dealloc,
 754             &vtdesc,
 755             (DWORD*)(disp->rgdispidNamedArgs+i),
 756             buf
 757         );
 758         if (debugout && (i<disp->cNamedArgs-1))
 759             TRACE_(olerelay)(",");
 760     }
 761     if (debugout) TRACE_(olerelay)("}");
 762     if (dealloc) {
 763         HeapFree(GetProcessHeap(),0,disp->rgdispidNamedArgs);
 764         HeapFree(GetProcessHeap(),0,disp);
 765     }
 766     return S_OK;
 767 }
 768
 769 static HRESULT
 770 deserialize_param(
 771     ITypeInfo           *tinfo,
 772     BOOL                readit,
 773     BOOL                debugout,
 774     BOOL                alloc,
 775     TYPEDESC            *tdesc,
 776     DWORD               *arg,
 777     marshal_state       *buf)
 778 {
 779     HRESULT hres = S_OK;
 780
 781     TRACE("vt %d at %p\n",tdesc->vt,arg);
 782
 783     while (1) {
 784         switch (tdesc->vt) {
 785         case VT_EMPTY:
 786             if (debugout) TRACE_(olerelay)("<empty>");
 787             return S_OK;
 788         case VT_NULL:
 789             if (debugout) TRACE_(olerelay)("<null>");
 790             return S_OK;
 791         case VT_VARIANT: {
 792             VARIANT     *vt = (VARIANT*)arg;
 793
 794             if (readit) {
 795                 DWORD   vttype;
 796                 TYPEDESC        tdesc2;
 797                 hres = xbuf_get(buf,(LPBYTE)&vttype,sizeof(vttype));
 798                 if (hres) {
 799                     FIXME("vt type not read?\n");
 800                     return hres;
 801                 }
 802                 memset(&tdesc2,0,sizeof(tdesc2));
 803                 tdesc2.vt = vttype;
 804                 V_VT(vt)  = vttype;
 805                 if (debugout) TRACE_(olerelay)("Vt(%ld)(",vttype);
 806                 hres = deserialize_param(tinfo, readit, debugout, alloc, &tdesc2, &(V_I4(vt)), buf);
 807                 TRACE_(olerelay)(")");
 808                 return hres;
 809             } else {
 810                 VariantInit(vt);
 811                 return S_OK;
 812             }
 813         }
 814         case VT_ERROR:
 815         case VT_BOOL: case VT_I4: case VT_UI4: case VT_UINT: case VT_R4:
 816         case VT_UI2:
 817         case VT_UI1:
 818             if (readit) {
 819                 hres = xbuf_get(buf,(LPBYTE)arg,sizeof(DWORD));
 820                 if (hres) FIXME("Failed to read integer 4 byte\n");
 821             }
 822             if (debugout) TRACE_(olerelay)("%lx",*arg);
 823             return hres;
 824         case VT_BSTR: {
 825             WCHAR       *str;
 826             DWORD       len;
 827
 828             if (readit) {
 829                 hres = xbuf_get(buf,(LPBYTE)&len,sizeof(DWORD));
 830                 if (hres) {
 831                     FIXME("failed to read bstr klen\n");
 832                     return hres;
 833                 }
 834                 if (len == -1) {
 835                     *arg = 0;
 836                     if (debugout) TRACE_(olerelay)("<bstr NULL>");
 837                 } else {
 838                     str  = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,len+sizeof(WCHAR));
 839                     hres = xbuf_get(buf,(LPBYTE)str,len);
 840                     if (hres) {
 841                         FIXME("Failed to read BSTR.\n");
 842                         return hres;
 843                     }
 844                     *arg = (DWORD)SysAllocStringLen(str,len);
 845                     if (debugout) TRACE_(olerelay)("%s",relaystr(str));
 846                     HeapFree(GetProcessHeap(),0,str);
 847                 }
 848             } else {
 849                 *arg = 0;
 850             }
 851             return S_OK;
 852         }
 853         case VT_PTR: {
 854             DWORD       cookie;
 855             BOOL        derefhere = 0;
 856
 857             derefhere = (tdesc->u.lptdesc->vt != VT_USERDEFINED);
 858
 859             if (readit) {
 860                 hres = xbuf_get(buf,(LPBYTE)&cookie,sizeof(cookie));
 861                 if (hres) {
 862                     FIXME("Failed to load pointer cookie.\n");
 863                     return hres;
 864                 }
 865                 if (cookie != 0x42424242) {
 866                     if (debugout) TRACE_(olerelay)("NULL");
 867                     *arg = 0;
 868                     return S_OK;
 869                 }
 870                 if (debugout) TRACE_(olerelay)("*");
 871             }
 872             if (alloc) {
 873                 if (derefhere)
 874                     *arg=(DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,_xsize(tdesc->u.lptdesc));
 875             }
 876             if (derefhere)
 877                 return deserialize_param(tinfo, readit, debugout, alloc, tdesc->u.lptdesc, (LPDWORD)*arg, buf);
 878             else
 879                 return deserialize_param(tinfo, readit, debugout, alloc, tdesc->u.lptdesc, arg, buf);
 880         }
 881         case VT_UNKNOWN:
 882             /* FIXME: UNKNOWN is unknown ..., but allocate 4 byte for it */
 883             if (alloc)
 884                 *arg=(DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(DWORD));
 885             hres = S_OK;
 886             if (readit)
 887                 hres = _unmarshal_interface(buf,&IID_IUnknown,(LPUNKNOWN*)arg);
 888             if (debugout)
 889                 TRACE_(olerelay)("unk(%p)",arg);
 890             return hres;
 891         case VT_DISPATCH:
 892             hres = S_OK;
 893             if (readit)
 894                 hres = _unmarshal_interface(buf,&IID_IDispatch,(LPUNKNOWN*)arg);
 895             if (debugout)
 896                 TRACE_(olerelay)("idisp(%p)",arg);
 897             return hres;
 898         case VT_VOID:
 899             if (debugout) TRACE_(olerelay)("<void>");
 900             return S_OK;
 901         case VT_USERDEFINED: {
 902             ITypeInfo   *tinfo2;
 903             TYPEATTR    *tattr;
 904
 905             hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.hreftype,&tinfo2);
 906             if (hres) {
 907                 FIXME("Could not get typeinfo of hreftype %lx for VT_USERDEFINED.\n",tdesc->u.hreftype);
 908                 return hres;
 909             }
 910             hres = ITypeInfo_GetTypeAttr(tinfo2,&tattr);
 911             if (hres) {
 912                 FIXME("Could not get typeattr in VT_USERDEFINED.\n");
 913             } else {
 914                 if (alloc)
 915                     *arg = (DWORD)HeapAlloc(GetProcessHeap(),0,tattr->cbSizeInstance);
 916                 switch (tattr->typekind) {
 917                 case TKIND_DISPATCH:
 918                 case TKIND_INTERFACE:
 919                     if (readit)
 920                         hres = _unmarshal_interface(buf,&(tattr->guid),(LPUNKNOWN*)arg);
 921                     break;
 922                 case TKIND_RECORD: {
 923                     int i;
 924
 925                     if (debugout) TRACE_(olerelay)("{");
 926                     for (i=0;i<tattr->cVars;i++) {
 927                         VARDESC *vdesc;
 928
 929                         hres = ITypeInfo2_GetVarDesc(tinfo2, i, &vdesc);
 930                         if (hres) {
 931                             FIXME("Could not get vardesc of %d\n",i);
 932                             return hres;
 933                         }
 934                         hres = deserialize_param(
 935                             tinfo2,
 936                             readit,
 937                             debugout,
 938                             alloc,
 939                             &vdesc->elemdescVar.tdesc,
 940                             (DWORD*)(((LPBYTE)*arg)+vdesc->u.oInst),
 941                             buf
 942                         );
 943                         if (debugout && (i<tattr->cVars-1)) TRACE_(olerelay)(",");
 944                     }
 945                     if (buf->thisisiid && (tattr->cbSizeInstance==sizeof(GUID)))
 946                         memcpy(&(buf->iid),(LPBYTE)*arg,sizeof(buf->iid));
 947                     if (debugout) TRACE_(olerelay)("}");
 948                     break;
 949                 }
 950                 default:
 951                     ERR("Unhandled typekind %d\n",tattr->typekind);
 952                     hres = E_FAIL;
 953                     break;
 954                 }
 955             }
 956             if (hres)
 957                 FIXME("failed to stuballoc in TKIND_RECORD.\n");
 958             ITypeInfo_Release(tinfo2);
 959             return hres;
 960         }
 961         case VT_CARRAY: {
 962             /* arg is pointing to the start of the array. */
 963             ARRAYDESC *adesc = tdesc->u.lpadesc;
 964             int         arrsize,i;
 965             arrsize = 1;
 966             if (adesc->cDims > 1) FIXME("cDims > 1 in VT_CARRAY. Does it work?\n");
 967             for (i=0;i<adesc->cDims;i++)
 968                 arrsize *= adesc->rgbounds[i].cElements;
 969             for (i=0;i<arrsize;i++)
 970                 deserialize_param(
 971                     tinfo,
 972                     readit,
 973                     debugout,
 974                     alloc,
 975                     &adesc->tdescElem,
 976                     (DWORD*)((LPBYTE)(arg)+i*_xsize(&adesc->tdescElem)),
 977                     buf
 978                 );
 979             return S_OK;
 980         }
 981         default:
 982             ERR("No handler for VT type %d!\n",tdesc->vt);
 983             return S_OK;
 984         }
 985     }
 986 }
 987
 988 static HRESULT
 989 deserialize_LPVOID_ptr(
 990     ITypeInfo           *tinfo,
 991     BOOL                readit,
 992     BOOL                debugout,
 993     BOOL                alloc,
 994     TYPEDESC            *tdesc,
 995     DWORD               *arg,
 996     marshal_state       *buf
 997 ) {
 998     HRESULT     hres;
 999     DWORD       cookie;
1000
1001     if ((tdesc->vt != VT_PTR)                   ||
1002         (tdesc->u.lptdesc->vt != VT_PTR)        ||
1003         (tdesc->u.lptdesc->u.lptdesc->vt != VT_VOID)
1004     ) {
1005         FIXME("ppvObject not expressed as VT_PTR -> VT_PTR -> VT_VOID?\n");
1006         return E_FAIL;
1007     }
1008     if (alloc)
1009         *arg=(DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(LPVOID));
1010     if (readit) {
1011         hres = xbuf_get(buf, (LPVOID)&cookie, sizeof(cookie));
1012         if (hres)
1013             return hres;
1014         if (cookie != 0x42424242) {
1015             *(DWORD*)*arg = 0;
1016             if (debugout) TRACE_(olerelay)("<lpvoid NULL>");
1017             return S_OK;
1018         }
1019     }
1020     if (readit) {
1021         hres = _unmarshal_interface(buf,&buf->iid,(LPUNKNOWN*)*arg);
1022         if (hres)
1023             return hres;
1024     }
1025     if (debugout) TRACE_(olerelay)("ppv(%p)",(LPVOID)*arg);
1026     return S_OK;
1027 }
1028
1029 static HRESULT
1030 deserialize_DISPPARAM_ptr(
1031     ITypeInfo           *tinfo,
1032     BOOL                readit,
1033     BOOL                debugout,
1034     BOOL                alloc,
1035     TYPEDESC            *tdesc,
1036     DWORD               *arg,
1037     marshal_state       *buf)
1038 {
1039     DWORD       cookie;
1040     DISPPARAMS  *disps;
1041     HRESULT     hres;
1042     int         i;
1043
1044     if ((tdesc->vt != VT_PTR) || (tdesc->u.lptdesc->vt != VT_USERDEFINED)) {
1045         FIXME("DISPPARAMS not expressed as VT_PTR -> VT_USERDEFINED?\n");
1046         return E_FAIL;
1047     }
1048     if (readit) {
1049         hres = xbuf_get(buf,(LPBYTE)&cookie,sizeof(cookie));
1050         if (hres)
1051             return hres;
1052         if (cookie == 0) {
1053             *arg = 0;
1054             if (debugout) TRACE_(olerelay)("<DISPPARAMS NULL>");
1055             return S_OK;
1056         }
1057     }
1058     if (alloc)
1059         *arg = (DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(DISPPARAMS));
1060     disps = (DISPPARAMS*)*arg;
1061     if (!readit)
1062         return S_OK;
1063     hres = xbuf_get(buf, (LPBYTE)&disps->cArgs, sizeof(disps->cArgs));
1064     if (hres)
1065         return hres;
1066     if (alloc)
1067         disps->rgvarg = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(VARIANT)*disps->cArgs);
1068     if (debugout) TRACE_(olerelay)("D{");
1069     for (i=0; i< disps->cArgs; i++) {
1070         TYPEDESC vdesc;
1071
1072         vdesc.vt = VT_VARIANT;
1073         hres = deserialize_param(
1074             tinfo,
1075             readit,
1076             debugout,
1077             alloc,
1078             &vdesc,
1079             (DWORD*)(disps->rgvarg+i),
1080             buf
1081         );
1082     }
1083     if (debugout) TRACE_(olerelay)("}{");
1084     hres = xbuf_get(buf, (LPBYTE)&disps->cNamedArgs, sizeof(disps->cNamedArgs));
1085     if (hres)
1086         return hres;
1087     if (disps->cNamedArgs) {
1088         if (alloc)
1089             disps->rgdispidNamedArgs = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(DISPID)*disps->cNamedArgs);
1090         for (i=0; i< disps->cNamedArgs; i++) {
1091             TYPEDESC vdesc;
1092
1093             vdesc.vt = VT_UINT;
1094             hres = deserialize_param(
1095                 tinfo,
1096                 readit,
1097                 debugout,
1098                 alloc,
1099                 &vdesc,
1100                 (DWORD*)(disps->rgdispidNamedArgs+i),
1101                 buf
1102             );
1103             if (debugout && i<(disps->cNamedArgs-1)) TRACE_(olerelay)(",");
1104         }
1105     }
1106     if (debugout) TRACE_(olerelay)("}");
1107     return S_OK;
1108 }
1109
1110 /* Searches function, also in inherited interfaces */
1111 static HRESULT
1112 _get_funcdesc(
1113     ITypeInfo *tinfo, int iMethod, FUNCDESC **fdesc, BSTR *iname, BSTR *fname)
1114 {
1115     int i = 0, j = 0;
1116     HRESULT hres;
1117
1118     if (fname) *fname = NULL;
1119     if (iname) *iname = NULL;
1120
1121     while (1) {
1122         hres = ITypeInfo_GetFuncDesc(tinfo, i, fdesc);
1123         if (hres) {
1124             ITypeInfo   *tinfo2;
1125             HREFTYPE    href;
1126             TYPEATTR    *attr;
1127
1128             hres = ITypeInfo_GetTypeAttr(tinfo, &attr);
1129             if (hres) {
1130                 FIXME("GetTypeAttr failed with %lx\n",hres);
1131                 return hres;
1132             }
1133             /* Not found, so look in inherited ifaces. */
1134             for (j=0;j<attr->cImplTypes;j++) {
1135                 hres = ITypeInfo_GetRefTypeOfImplType(tinfo, j, &href);
1136                 if (hres) {
1137                     FIXME("Did not find a reftype for interface offset %d?\n",j);
1138                     break;
1139                 }
1140                 hres = ITypeInfo_GetRefTypeInfo(tinfo, href, &tinfo2);
1141                 if (hres) {
1142                     FIXME("Did not find a typeinfo for reftype %ld?\n",href);
1143                     continue;
1144                 }
1145                 hres = _get_funcdesc(tinfo2,iMethod,fdesc,iname,fname);
1146                 ITypeInfo_Release(tinfo2);
1147                 if (!hres) return S_OK;
1148             }
1149             return E_FAIL;
1150         }
1151         if (((*fdesc)->oVft/4) == iMethod) {
1152             if (fname)
1153                 ITypeInfo_GetDocumentation(tinfo,(*fdesc)->memid,fname,NULL,NULL,NULL);
1154             if (iname)
1155                 ITypeInfo_GetDocumentation(tinfo,-1,iname,NULL,NULL,NULL);
1156             return S_OK;
1157         }
1158         i++;
1159     }
1160     return E_FAIL;
1161 }
1162
1163 static DWORD
1164 xCall(LPVOID retptr, int method, TMProxyImpl *tpinfo /*, args */)
1165 {
1166     DWORD               *args = ((DWORD*)&tpinfo)+1, *xargs;
1167     FUNCDESC            *fdesc;
1168     HRESULT             hres;
1169     int                 i, relaydeb = TRACE_ON(olerelay);
1170     marshal_state       buf;
1171     RPCOLEMESSAGE       msg;
1172     ULONG               status;
1173     BSTR                fname,iname;
1174     BSTR                names[10];
1175     int                 nrofnames;
1176
1177     EnterCriticalSection(&tpinfo->crit);
1178
1179     hres = _get_funcdesc(tpinfo->tinfo,method,&fdesc,&iname,&fname);
1180     if (hres) {
1181         ERR("Did not find typeinfo/funcdesc entry for method %d!\n",method);
1182         LeaveCriticalSection(&tpinfo->crit);
1183         return E_FAIL;
1184     }
1185
1186     if (relaydeb) {
1187        TRACE_(olerelay)("->");
1188         if (iname)
1189             TRACE_(olerelay)("%s:",relaystr(iname));
1190         if (fname)
1191             TRACE_(olerelay)("%s(%d)",relaystr(fname),method);
1192         else
1193             TRACE_(olerelay)("%d",method);
1194         TRACE_(olerelay)("(");
1195         if (iname) SysFreeString(iname);
1196         if (fname) SysFreeString(fname);
1197     }
1198     /* Need them for hack below */
1199     memset(names,0,sizeof(names));
1200     if (ITypeInfo_GetNames(tpinfo->tinfo,fdesc->memid,names,sizeof(names)/sizeof(names[0]),&nrofnames))
1201         nrofnames = 0;
1202     if (nrofnames > sizeof(names)/sizeof(names[0]))
1203         ERR("Need more names!\n");
1204
1205     memset(&buf,0,sizeof(buf));
1206     buf.iid = IID_IUnknown;
1207     if (method == 0) {
1208         xbuf_add(&buf,(LPBYTE)args[0],sizeof(IID));
1209         if (relaydeb) TRACE_(olerelay)("riid=%s,[out]",debugstr_guid((REFIID)args[0]));
1210     } else {
1211         xargs = args;
1212         for (i=0;i<fdesc->cParams;i++) {
1213             ELEMDESC    *elem = fdesc->lprgelemdescParam+i;
1214             BOOL        isserialized = FALSE;
1215             if (relaydeb) {
1216                 if (i) TRACE_(olerelay)(",");
1217                 if (i+1<nrofnames && names[i+1])
1218                     TRACE_(olerelay)("%s=",relaystr(names[i+1]));
1219             }
1220             /* No need to marshal other data than FIN */
1221             if (!(elem->u.paramdesc.wParamFlags & PARAMFLAG_FIN)) {
1222                 xargs+=_argsize(elem->tdesc.vt);
1223                 if (relaydeb) TRACE_(olerelay)("[out]");
1224                 continue;
1225             }
1226             if (((i+1)<nrofnames) && !IsBadStringPtrW(names[i+1],1)) {
1227                 /* If the parameter is 'riid', we use it as interface IID
1228                  * for a later ppvObject serialization.
1229                  */
1230                 buf.thisisiid = !lstrcmpW(names[i+1],riidW);
1231
1232                 /* DISPPARAMS* needs special serializer */
1233                 if (!lstrcmpW(names[i+1],pdispparamsW)) {
1234                     hres = serialize_DISPPARAM_ptr(
1235                         tpinfo->tinfo,
1236                         elem->u.paramdesc.wParamFlags & PARAMFLAG_FIN,
1237                         relaydeb,
1238                         FALSE,
1239                         &elem->tdesc,
1240                         xargs,
1241                         &buf
1242                     );
1243                     isserialized = TRUE;
1244                 }
1245                 if (!lstrcmpW(names[i+1],ppvObjectW)) {
1246                     hres = serialize_LPVOID_ptr(
1247                         tpinfo->tinfo,
1248                         elem->u.paramdesc.wParamFlags & PARAMFLAG_FIN,
1249                         relaydeb,
1250                         FALSE,
1251                         &elem->tdesc,
1252                         xargs,
1253                         &buf
1254                     );
1255                     if (hres == S_OK)
1256                         isserialized = TRUE;
1257                 }
1258             }
1259             if (!isserialized)
1260                 hres = serialize_param(
1261                     tpinfo->tinfo,
1262                     elem->u.paramdesc.wParamFlags & PARAMFLAG_FIN,
1263                     relaydeb,
1264                     FALSE,
1265                     &elem->tdesc,
1266                     xargs,
1267                     &buf
1268                 );
1269
1270             if (hres) {
1271                 FIXME("Failed to serialize param, hres %lx\n",hres);
1272                 break;
1273             }
1274             xargs+=_argsize(elem->tdesc.vt);
1275         }
1276     }
1277     if (relaydeb) TRACE_(olerelay)(")");
1278     memset(&msg,0,sizeof(msg));
1279     msg.cbBuffer = buf.curoff;
1280     msg.iMethod  = method;
1281     hres = IRpcChannelBuffer_GetBuffer(tpinfo->chanbuf,&msg,&(tpinfo->iid));
1282     if (hres) {
1283         FIXME("RpcChannelBuffer GetBuffer failed, %lx\n",hres);
1284         LeaveCriticalSection(&tpinfo->crit);
1285         return hres;
1286     }
1287     memcpy(msg.Buffer,buf.base,buf.curoff);
1288     if (relaydeb) TRACE_(olerelay)("\n");
1289     hres = IRpcChannelBuffer_SendReceive(tpinfo->chanbuf,&msg,&status);
1290     if (hres) {
1291         FIXME("RpcChannelBuffer SendReceive failed, %lx\n",hres);
1292         LeaveCriticalSection(&tpinfo->crit);
1293         return hres;
1294     }
1295
1296     if (relaydeb) TRACE_(olerelay)(" = %08lx (",status);
1297     if (buf.base)
1298         buf.base = HeapReAlloc(GetProcessHeap(),0,buf.base,msg.cbBuffer);
1299     else
1300         buf.base = HeapAlloc(GetProcessHeap(),0,msg.cbBuffer);
1301     buf.size = msg.cbBuffer;
1302     memcpy(buf.base,msg.Buffer,buf.size);
1303     buf.curoff = 0;
1304     if (method == 0) {
1305         _unmarshal_interface(&buf,(REFIID)args[0],(LPUNKNOWN*)args[1]);
1306         if (relaydeb) TRACE_(olerelay)("[in],%p",*((DWORD**)args[1]));
1307     } else {
1308         xargs = args;
1309         for (i=0;i<fdesc->cParams;i++) {
1310             ELEMDESC    *elem = fdesc->lprgelemdescParam+i;
1311             BOOL        isdeserialized = FALSE;
1312
1313             if (relaydeb) {
1314                 if (i) TRACE_(olerelay)(",");
1315                 if (i+1<nrofnames && names[i+1]) TRACE_(olerelay)("%s=",relaystr(names[i+1]));
1316             }
1317             /* No need to marshal other data than FOUT I think */
1318             if (!(elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT)) {
1319                 xargs += _argsize(elem->tdesc.vt);
1320                 if (relaydeb) TRACE_(olerelay)("[in]");
1321                 continue;
1322             }
1323             if (((i+1)<nrofnames) && !IsBadStringPtrW(names[i+1],1)) {
1324                 /* If the parameter is 'riid', we use it as interface IID
1325                  * for a later ppvObject serialization.
1326                  */
1327                 buf.thisisiid = !lstrcmpW(names[i+1],riidW);
1328
1329                 /* deserialize DISPPARAM */
1330                 if (!lstrcmpW(names[i+1],pdispparamsW)) {
1331                     hres = deserialize_DISPPARAM_ptr(
1332                         tpinfo->tinfo,
1333                         elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT,
1334                         relaydeb,
1335                         FALSE,
1336                         &(elem->tdesc),
1337                         xargs,
1338                         &buf
1339                     );
1340                     if (hres) {
1341                         FIXME("Failed to deserialize DISPPARAM*, hres %lx\n",hres);
1342                         break;
1343                     }
1344                     isdeserialized = TRUE;
1345                 }
1346                 if (!lstrcmpW(names[i+1],ppvObjectW)) {
1347                     hres = deserialize_LPVOID_ptr(
1348                         tpinfo->tinfo,
1349                         elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT,
1350                         relaydeb,
1351                         FALSE,
1352                         &elem->tdesc,
1353                         xargs,
1354                         &buf
1355                     );
1356                     if (hres == S_OK)
1357                         isdeserialized = TRUE;
1358                 }
1359             }
1360             if (!isdeserialized)
1361                 hres = deserialize_param(
1362                     tpinfo->tinfo,
1363                     elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT,
1364                     relaydeb,
1365                     FALSE,
1366                     &(elem->tdesc),
1367                     xargs,
1368                     &buf
1369                 );
1370             if (hres) {
1371                 FIXME("Failed to unmarshall param, hres %lx\n",hres);
1372                 break;
1373             }
1374             xargs += _argsize(elem->tdesc.vt);
1375         }
1376     }
1377     if (relaydeb) TRACE_(olerelay)(")\n");
1378     HeapFree(GetProcessHeap(),0,buf.base);
1379
1380     LeaveCriticalSection(&tpinfo->crit);
1381
1382     return status;
1383 }
1384
1385 static HRESULT WINAPI
1386 PSFacBuf_CreateProxy(
1387     LPPSFACTORYBUFFER iface, IUnknown* pUnkOuter, REFIID riid,
1388     IRpcProxyBuffer **ppProxy, LPVOID *ppv)
1389 {
1390     HRESULT     hres;
1391     ITypeInfo   *tinfo;
1392     int         i, nroffuncs;
1393     FUNCDESC    *fdesc;
1394     TMProxyImpl *proxy;
1395
1396     TRACE("(...%s...)\n",debugstr_guid(riid));
1397     hres = _get_typeinfo_for_iid(riid,&tinfo);
1398     if (hres) {
1399         FIXME("No typeinfo for %s?\n",debugstr_guid(riid));
1400         return hres;
1401     }
1402     nroffuncs = _nroffuncs(tinfo);
1403     proxy = CoTaskMemAlloc(sizeof(TMProxyImpl));
1404     if (!proxy) return E_OUTOFMEMORY;
1405
1406     assert(sizeof(TMAsmProxy) == 12);
1407
1408     proxy->asmstubs = VirtualAlloc(NULL, sizeof(TMAsmProxy) * nroffuncs, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
1409     if (!proxy->asmstubs) {
1410         ERR("Could not commit pages for proxy thunks\n");
1411         CoTaskMemFree(proxy);
1412         return E_OUTOFMEMORY;
1413     }
1414
1415     InitializeCriticalSection(&proxy->crit);
1416
1417     proxy->lpvtbl = HeapAlloc(GetProcessHeap(),0,sizeof(LPBYTE)*nroffuncs);
1418     for (i=0;i<nroffuncs;i++) {
1419         int             nrofargs;
1420         TMAsmProxy      *xasm = proxy->asmstubs+i;
1421
1422         /* nrofargs without This */
1423         switch (i) {
1424         case 0: nrofargs = 2;
1425                 break;
1426         case 1: case 2: nrofargs = 0;
1427                 break;
1428         default: {
1429                 int j;
1430                 hres = _get_funcdesc(tinfo,i,&fdesc,NULL,NULL);
1431                 if (hres) {
1432                     FIXME("GetFuncDesc %lx should not fail here.\n",hres);
1433                     return hres;
1434                 }
1435                 /* some args take more than 4 byte on the stack */
1436                 nrofargs = 0;
1437                 for (j=0;j<fdesc->cParams;j++)
1438                     nrofargs += _argsize(fdesc->lprgelemdescParam[j].tdesc.vt);
1439
1440                 if (fdesc->callconv != CC_STDCALL) {
1441                     ERR("calling convention is not stdcall????\n");
1442                     return E_FAIL;
1443                 }
1444                 break;
1445             }
1446         }
1447 /* popl %eax    -       return ptr
1448  * pushl <nr>
1449  * pushl %eax
1450  * call xCall
1451  * lret <nr> (+4)
1452  *
1453  *
1454  * arg3 arg2 arg1 <method> <returnptr>
1455  */
1456         xasm->popleax   = 0x58;
1457         xasm->pushlval  = 0x6a;
1458         xasm->nr        = i;
1459         xasm->pushleax  = 0x50;
1460         xasm->lcall     = 0xe8; /* relative jump */
1461         xasm->xcall     = (DWORD)xCall;
1462         xasm->xcall     -= (DWORD)&(xasm->lret);
1463         xasm->lret      = 0xc2;
1464         xasm->bytestopop= (nrofargs+2)*4; /* pop args, This, iMethod */
1465         proxy->lpvtbl[i] = xasm;
1466     }
1467     proxy->lpvtbl2      = &tmproxyvtable;
1468     /* 1 reference for the proxy and 1 for the object */
1469     proxy->ref          = 2;
1470     proxy->tinfo        = tinfo;
1471     memcpy(&proxy->iid,riid,sizeof(*riid));
1472     *ppv                = (LPVOID)proxy;
1473     *ppProxy            = (IRpcProxyBuffer *)&(proxy->lpvtbl2);
1474     return S_OK;
1475 }
1476
1477 typedef struct _TMStubImpl {
1478     IRpcStubBufferVtbl  *lpvtbl;
1479     ULONG                       ref;
1480
1481     LPUNKNOWN                   pUnk;
1482     ITypeInfo                   *tinfo;
1483     IID                         iid;
1484 } TMStubImpl;
1485
1486 static HRESULT WINAPI
1487 TMStubImpl_QueryInterface(LPRPCSTUBBUFFER iface, REFIID riid, LPVOID *ppv)
1488 {
1489     if (IsEqualIID(riid,&IID_IRpcStubBuffer)||IsEqualIID(riid,&IID_IUnknown)){
1490         *ppv = (LPVOID)iface;
1491         IRpcStubBuffer_AddRef(iface);
1492         return S_OK;
1493     }
1494     FIXME("%s, not supported IID.\n",debugstr_guid(riid));
1495     return E_NOINTERFACE;
1496 }
1497
1498 static ULONG WINAPI
1499 TMStubImpl_AddRef(LPRPCSTUBBUFFER iface)
1500 {
1501     TMStubImpl *This = (TMStubImpl *)iface;
1502
1503     TRACE("(%p) before %lu\n", This, This->ref);
1504
1505     return InterlockedIncrement(&This->ref);
1506 }
1507
1508 static ULONG WINAPI
1509 TMStubImpl_Release(LPRPCSTUBBUFFER iface)
1510 {
1511     ULONG refs;
1512     TMStubImpl *This = (TMStubImpl *)iface;
1513
1514     TRACE("(%p) after %lu\n", This, This->ref-1);
1515
1516     refs = InterlockedDecrement(&This->ref);
1517     if (!refs)
1518     {
1519         IRpcStubBuffer_Disconnect(iface);
1520         CoTaskMemFree(This);
1521     }
1522     return refs;
1523 }
1524
1525 static HRESULT WINAPI
1526 TMStubImpl_Connect(LPRPCSTUBBUFFER iface, LPUNKNOWN pUnkServer)
1527 {
1528     TMStubImpl *This = (TMStubImpl *)iface;
1529
1530     TRACE("(%p)->(%p)\n", This, pUnkServer);
1531
1532     IUnknown_AddRef(pUnkServer);
1533     This->pUnk = pUnkServer;
1534     return S_OK;
1535 }
1536
1537 static void WINAPI
1538 TMStubImpl_Disconnect(LPRPCSTUBBUFFER iface)
1539 {
1540     TMStubImpl *This = (TMStubImpl *)iface;
1541
1542     TRACE("(%p)->()\n", This);
1543
1544     IUnknown_Release(This->pUnk);
1545     This->pUnk = NULL;
1546     return;
1547 }
1548
1549 static HRESULT WINAPI
1550 TMStubImpl_Invoke(
1551     LPRPCSTUBBUFFER iface, RPCOLEMESSAGE* xmsg,IRpcChannelBuffer*rpcchanbuf)
1552 {
1553     int         i;
1554     FUNCDESC    *fdesc;
1555     TMStubImpl *This = (TMStubImpl *)iface;
1556     HRESULT     hres;
1557     DWORD       *args, res, *xargs, nrofargs;
1558     marshal_state       buf;
1559     int         nrofnames;
1560     BSTR        names[10];
1561
1562     memset(&buf,0,sizeof(buf));
1563     buf.size    = xmsg->cbBuffer;
1564     buf.base    = xmsg->Buffer;
1565     buf.curoff  = 0;
1566     buf.iid     = IID_IUnknown;
1567
1568     TRACE("...\n");
1569     if (xmsg->iMethod == 0) { /* QI */
1570         IID             xiid;
1571         /* in: IID, out: <iface> */
1572
1573         xbuf_get(&buf,(LPBYTE)&xiid,sizeof(xiid));
1574         buf.curoff = 0;
1575         hres = _marshal_interface(&buf,&xiid,This->pUnk);
1576         xmsg->Buffer    = buf.base; /* Might have been reallocated */
1577         xmsg->cbBuffer  = buf.size;
1578         return hres;
1579     }
1580     hres = _get_funcdesc(This->tinfo,xmsg->iMethod,&fdesc,NULL,NULL);
1581     if (hres) {
1582         FIXME("GetFuncDesc on method %ld failed with %lx\n",xmsg->iMethod,hres);
1583         return hres;
1584     }
1585     /* Need them for hack below */
1586     memset(names,0,sizeof(names));
1587     ITypeInfo_GetNames(This->tinfo,fdesc->memid,names,sizeof(names)/sizeof(names[0]),&nrofnames);
1588     if (nrofnames > sizeof(names)/sizeof(names[0])) {
1589         ERR("Need more names!\n");
1590     }
1591
1592     /*dump_FUNCDESC(fdesc);*/
1593     nrofargs = 0;
1594     for (i=0;i<fdesc->cParams;i++)
1595         nrofargs += _argsize(fdesc->lprgelemdescParam[i].tdesc.vt);
1596     args = HeapAlloc(GetProcessHeap(),0,(nrofargs+1)*sizeof(DWORD));
1597     if (!args) return E_OUTOFMEMORY;
1598
1599     /* Allocate all stuff used by call. */
1600     xargs = args+1;
1601     for (i=0;i<fdesc->cParams;i++) {
1602         ELEMDESC        *elem = fdesc->lprgelemdescParam+i;
1603         BOOL            isdeserialized = FALSE;
1604
1605         if (((i+1)<nrofnames) && !IsBadStringPtrW(names[i+1],1)) {
1606             /* If the parameter is 'riid', we use it as interface IID
1607              * for a later ppvObject serialization.
1608              */
1609             buf.thisisiid = !lstrcmpW(names[i+1],riidW);
1610
1611             /* deserialize DISPPARAM */
1612             if (!lstrcmpW(names[i+1],pdispparamsW)) {
1613                 hres = deserialize_DISPPARAM_ptr(
1614                     This->tinfo,
1615                     elem->u.paramdesc.wParamFlags & PARAMFLAG_FIN,
1616                     FALSE,
1617                     TRUE,
1618                     &(elem->tdesc),
1619                     xargs,
1620                     &buf
1621                 );
1622                 if (hres) {
1623                     FIXME("Failed to deserialize DISPPARAM*, hres %lx\n",hres);
1624                     break;
1625                 }
1626                 isdeserialized = TRUE;
1627             }
1628             if (!lstrcmpW(names[i+1],ppvObjectW)) {
1629                 hres = deserialize_LPVOID_ptr(
1630                     This->tinfo,
1631                     elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT,
1632                     FALSE,
1633                     TRUE,
1634                     &elem->tdesc,
1635                     xargs,
1636                     &buf
1637                 );
1638                 if (hres == S_OK)
1639                     isdeserialized = TRUE;
1640             }
1641         }
1642         if (!isdeserialized)
1643             hres = deserialize_param(
1644                 This->tinfo,
1645                 elem->u.paramdesc.wParamFlags & PARAMFLAG_FIN,
1646                 FALSE,
1647                 TRUE,
1648                 &(elem->tdesc),
1649                 xargs,
1650                 &buf
1651             );
1652         xargs += _argsize(elem->tdesc.vt);
1653         if (hres) {
1654             FIXME("Failed to deserialize param %s, hres %lx\n",relaystr(names[i+1]),hres);
1655             break;
1656         }
1657     }
1658     hres = IUnknown_QueryInterface(This->pUnk,&(This->iid),(LPVOID*)&(args[0]));
1659     if (hres) {
1660         ERR("Does not support iface %s\n",debugstr_guid(&(This->iid)));
1661         return hres;
1662     }
1663     res = _invoke(
1664             (*((FARPROC**)args[0]))[fdesc->oVft/4],
1665             fdesc->callconv,
1666             (xargs-args),
1667             args
1668     );
1669     IUnknown_Release((LPUNKNOWN)args[0]);
1670     buf.curoff = 0;
1671     xargs = args+1;
1672     for (i=0;i<fdesc->cParams;i++) {
1673         ELEMDESC        *elem = fdesc->lprgelemdescParam+i;
1674         BOOL            isserialized = FALSE;
1675
1676         if (((i+1)<nrofnames) && !IsBadStringPtrW(names[i+1],1)) {
1677             /* If the parameter is 'riid', we use it as interface IID
1678              * for a later ppvObject serialization.
1679              */
1680             buf.thisisiid = !lstrcmpW(names[i+1],riidW);
1681
1682             /* DISPPARAMS* needs special serializer */
1683             if (!lstrcmpW(names[i+1],pdispparamsW)) {
1684                 hres = serialize_DISPPARAM_ptr(
1685                     This->tinfo,
1686                     elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT,
1687                     FALSE,
1688                     TRUE,
1689                     &elem->tdesc,
1690                     xargs,
1691                     &buf
1692                 );
1693                 isserialized = TRUE;
1694             }
1695             if (!lstrcmpW(names[i+1],ppvObjectW)) {
1696                 hres = serialize_LPVOID_ptr(
1697                     This->tinfo,
1698                     elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT,
1699                     FALSE,
1700                     TRUE,
1701                     &elem->tdesc,
1702                     xargs,
1703                     &buf
1704                 );
1705                 if (hres == S_OK)
1706                     isserialized = TRUE;
1707             }
1708         }
1709         if (!isserialized)
1710             hres = serialize_param(
1711                This->tinfo,
1712                elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT,
1713                FALSE,
1714                TRUE,
1715                &elem->tdesc,
1716                xargs,
1717                &buf
1718             );
1719         xargs += _argsize(elem->tdesc.vt);
1720         if (hres) {
1721             FIXME("Failed to stuballoc param, hres %lx\n",hres);
1722             break;
1723         }
1724     }
1725     /* might need to use IRpcChannelBuffer_GetBuffer ? */
1726     xmsg->cbBuffer      = buf.curoff;
1727     xmsg->Buffer        = buf.base;
1728     HeapFree(GetProcessHeap(),0,args);
1729     return res;
1730 }
1731
1732 static LPRPCSTUBBUFFER WINAPI
1733 TMStubImpl_IsIIDSupported(LPRPCSTUBBUFFER iface, REFIID riid) {
1734     FIXME("Huh (%s)?\n",debugstr_guid(riid));
1735     return NULL;
1736 }
1737
1738 static ULONG WINAPI
1739 TMStubImpl_CountRefs(LPRPCSTUBBUFFER iface) {
1740     TMStubImpl *This = (TMStubImpl *)iface;
1741
1742     return This->ref; /*FIXME? */
1743 }
1744
1745 static HRESULT WINAPI
1746 TMStubImpl_DebugServerQueryInterface(LPRPCSTUBBUFFER iface, LPVOID *ppv) {
1747     return E_NOTIMPL;
1748 }
1749
1750 static void WINAPI
1751 TMStubImpl_DebugServerRelease(LPRPCSTUBBUFFER iface, LPVOID ppv) {
1752     return;
1753 }
1754
1755 IRpcStubBufferVtbl tmstubvtbl = {
1756     TMStubImpl_QueryInterface,
1757     TMStubImpl_AddRef,
1758     TMStubImpl_Release,
1759     TMStubImpl_Connect,
1760     TMStubImpl_Disconnect,
1761     TMStubImpl_Invoke,
1762     TMStubImpl_IsIIDSupported,
1763     TMStubImpl_CountRefs,
1764     TMStubImpl_DebugServerQueryInterface,
1765     TMStubImpl_DebugServerRelease
1766 };
1767
1768 static HRESULT WINAPI
1769 PSFacBuf_CreateStub(
1770     LPPSFACTORYBUFFER iface, REFIID riid,IUnknown *pUnkServer,
1771     IRpcStubBuffer** ppStub
1772 ) {
1773     HRESULT hres;
1774     ITypeInfo   *tinfo;
1775     TMStubImpl  *stub;
1776
1777     TRACE("(%s,%p,%p)\n",debugstr_guid(riid),pUnkServer,ppStub);
1778     hres = _get_typeinfo_for_iid(riid,&tinfo);
1779     if (hres) {
1780         FIXME("No typeinfo for %s?\n",debugstr_guid(riid));
1781         return hres;
1782     }
1783     stub = CoTaskMemAlloc(sizeof(TMStubImpl));
1784     if (!stub)
1785         return E_OUTOFMEMORY;
1786     stub->lpvtbl        = &tmstubvtbl;
1787     stub->ref           = 1;
1788     stub->tinfo         = tinfo;
1789     memcpy(&(stub->iid),riid,sizeof(*riid));
1790     hres = IRpcStubBuffer_Connect((LPRPCSTUBBUFFER)stub,pUnkServer);
1791     *ppStub             = (LPRPCSTUBBUFFER)stub;
1792     TRACE("IRpcStubBuffer: %p\n", stub);
1793     if (hres)
1794         FIXME("Connect to pUnkServer failed?\n");
1795     return hres;
1796 }
1797
1798 static IPSFactoryBufferVtbl psfacbufvtbl = {
1799     PSFacBuf_QueryInterface,
1800     PSFacBuf_AddRef,
1801     PSFacBuf_Release,
1802     PSFacBuf_CreateProxy,
1803     PSFacBuf_CreateStub
1804 };
1805
1806 /* This is the whole PSFactoryBuffer object, just the vtableptr */
1807 static IPSFactoryBufferVtbl *lppsfac = &psfacbufvtbl;
1808
1809 /***********************************************************************
1810  *           DllGetClassObject [OLE32.63]
1811  */
1812 HRESULT WINAPI
1813 TypeLibFac_DllGetClassObject(REFCLSID rclsid, REFIID iid,LPVOID *ppv)
1814 {
1815     if (IsEqualIID(iid,&IID_IPSFactoryBuffer)) {
1816         *ppv = &lppsfac;
1817         return S_OK;
1818     }
1819     return E_NOINTERFACE;
1820 }