dlls/oleaut32/tmarshal.c

   1 /*
   2  *      TYPELIB Marshaler
   3  *
   4  *      Copyright 2002  Marcus Meissner
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <assert.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26 #include <stdio.h>
  27 #include <ctype.h>
  28
  29 #include "winerror.h"
  30 #include "winnls.h"
  31 #include "winreg.h"
  32 #include "winuser.h"
  33
  34 #include "ole2.h"
  35 #include "wine/unicode.h"
  36 #include "heap.h"
  37 #include "ole2disp.h"
  38 #include "typelib.h"
  39 #include "wine/debug.h"
  40 #include "winternl.h"
  41
  42 static const WCHAR riidW[5] = {'r','i','i','d',0};
  43 static const WCHAR pdispparamsW[] = {'p','d','i','s','p','p','a','r','a','m','s',0};
  44 static const WCHAR ppvObjectW[] = {'p','p','v','O','b','j','e','c','t',0};
  45
  46 WINE_DEFAULT_DEBUG_CHANNEL(ole);
  47 WINE_DECLARE_DEBUG_CHANNEL(olerelay);
  48
  49 typedef struct _marshal_state {
  50     LPBYTE      base;
  51     int         size;
  52     int         curoff;
  53
  54     BOOL        thisisiid;
  55     IID         iid;    /* HACK: for VT_VOID */
  56 } marshal_state;
  57
  58 static HRESULT
  59 xbuf_add(marshal_state *buf, LPBYTE stuff, DWORD size) {
  60     while (buf->size - buf->curoff < size) {
  61         if (buf->base) {
  62             buf->size += 100;
  63             buf->base = HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,buf->base,buf->size);
  64             if (!buf->base)
  65                 return E_OUTOFMEMORY;
  66         } else {
  67             buf->base = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,32);
  68             buf->size = 32;
  69             if (!buf->base)
  70                 return E_OUTOFMEMORY;
  71         }
  72     }
  73     memcpy(buf->base+buf->curoff,stuff,size);
  74     buf->curoff += size;
  75     return S_OK;
  76 }
  77
  78 static HRESULT
  79 xbuf_get(marshal_state *buf, LPBYTE stuff, DWORD size) {
  80     if (buf->size < buf->curoff+size) return E_FAIL;
  81     memcpy(stuff,buf->base+buf->curoff,size);
  82     buf->curoff += size;
  83     return S_OK;
  84 }
  85
  86 static HRESULT
  87 xbuf_skip(marshal_state *buf, DWORD size) {
  88     if (buf->size < buf->curoff+size) return E_FAIL;
  89     buf->curoff += size;
  90     return S_OK;
  91 }
  92
  93 static HRESULT
  94 _unmarshal_interface(marshal_state *buf, REFIID riid, LPUNKNOWN *pUnk) {
  95     IStream             *pStm;
  96     ULARGE_INTEGER      newpos;
  97     LARGE_INTEGER       seekto;
  98     ULONG               res;
  99     HRESULT             hres;
 100     DWORD               xsize;
 101
 102     TRACE("...%s...\n",debugstr_guid(riid));
 103     *pUnk = NULL;
 104     hres = xbuf_get(buf,(LPBYTE)&xsize,sizeof(xsize));
 105     if (hres) return hres;
 106     if (xsize == 0) return S_OK;
 107     hres = CreateStreamOnHGlobal(0,TRUE,&pStm);
 108     if (hres) {
 109         FIXME("Stream create failed %lx\n",hres);
 110         return hres;
 111     }
 112     hres = IStream_Write(pStm,buf->base+buf->curoff,xsize,&res);
 113     if (hres) { FIXME("stream write %lx\n",hres); return hres; }
 114     memset(&seekto,0,sizeof(seekto));
 115     hres = IStream_Seek(pStm,seekto,SEEK_SET,&newpos);
 116     if (hres) { FIXME("Failed Seek %lx\n",hres); return hres;}
 117     hres = CoUnmarshalInterface(pStm,riid,(LPVOID*)pUnk);
 118     if (hres) {
 119         FIXME("Marshaling interface %s failed with %lx\n",debugstr_guid(riid),hres);
 120         return hres;
 121     }
 122     IStream_Release(pStm);
 123     return xbuf_skip(buf,xsize);
 124 }
 125
 126 static HRESULT
 127 _marshal_interface(marshal_state *buf, REFIID riid, LPUNKNOWN pUnk) {
 128     LPUNKNOWN           newiface;
 129     LPBYTE              tempbuf;
 130     IStream             *pStm;
 131     STATSTG             ststg;
 132     ULARGE_INTEGER      newpos;
 133     LARGE_INTEGER       seekto;
 134     ULONG               res;
 135     DWORD               xsize;
 136     HRESULT             hres;
 137
 138     hres = S_OK;
 139     if (!pUnk)
 140         goto fail;
 141
 142     TRACE("...%s...\n",debugstr_guid(riid));
 143     hres=IUnknown_QueryInterface(pUnk,riid,(LPVOID*)&newiface);
 144     if (hres) {
 145         TRACE("%p does not support iface %s\n",pUnk,debugstr_guid(riid));
 146         goto fail;
 147     }
 148     hres = CreateStreamOnHGlobal(0,TRUE,&pStm);
 149     if (hres) {
 150         FIXME("Stream create failed %lx\n",hres);
 151         goto fail;
 152     }
 153     hres = CoMarshalInterface(pStm,riid,newiface,0,NULL,0);
 154     IUnknown_Release(newiface);
 155     if (hres) {
 156         FIXME("Marshaling interface %s failed with %lx\n",
 157                 debugstr_guid(riid),hres
 158         );
 159         goto fail;
 160     }
 161     hres = IStream_Stat(pStm,&ststg,0);
 162     tempbuf = HeapAlloc(GetProcessHeap(), 0, ststg.cbSize.s.LowPart);
 163     memset(&seekto,0,sizeof(seekto));
 164     hres = IStream_Seek(pStm,seekto,SEEK_SET,&newpos);
 165     if (hres) { FIXME("Failed Seek %lx\n",hres); goto fail;}
 166     hres = IStream_Read(pStm,tempbuf,ststg.cbSize.s.LowPart,&res);
 167     if (hres) { FIXME("Failed Read %lx\n",hres); goto fail;}
 168     IStream_Release(pStm);
 169     xsize = ststg.cbSize.s.LowPart;
 170     xbuf_add(buf,(LPBYTE)&xsize,sizeof(xsize));
 171     hres = xbuf_add(buf,tempbuf,ststg.cbSize.s.LowPart);
 172     HeapFree(GetProcessHeap(),0,tempbuf);
 173     return hres;
 174 fail:
 175     xsize = 0;
 176     xbuf_add(buf,(LPBYTE)&xsize,sizeof(xsize));
 177     return hres;
 178 }
 179
 180 /********************* OLE Proxy/Stub Factory ********************************/
 181 static HRESULT WINAPI
 182 PSFacBuf_QueryInterface(LPPSFACTORYBUFFER iface, REFIID iid, LPVOID *ppv) {
 183     if (IsEqualIID(iid,&IID_IPSFactoryBuffer)||IsEqualIID(iid,&IID_IUnknown)) {
 184         *ppv = (LPVOID)iface;
 185         /* No ref counting, static class */
 186         return S_OK;
 187     }
 188     FIXME("(%s) unknown IID?\n",debugstr_guid(iid));
 189     return E_NOINTERFACE;
 190 }
 191
 192 static ULONG WINAPI PSFacBuf_AddRef(LPPSFACTORYBUFFER iface) { return 2; }
 193 static ULONG WINAPI PSFacBuf_Release(LPPSFACTORYBUFFER iface) { return 1; }
 194
 195 static HRESULT
 196 _get_typeinfo_for_iid(REFIID riid, ITypeInfo**ti) {
 197     HRESULT     hres;
 198     HKEY        ikey;
 199     char        tlguid[200],typelibkey[300],interfacekey[300],ver[100];
 200     char        tlfn[260];
 201     OLECHAR     tlfnW[260];
 202     DWORD       tlguidlen, verlen, type, tlfnlen;
 203     ITypeLib    *tl;
 204
 205     sprintf( interfacekey, "Interface\\{%08lx-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}\\Typelib",
 206         riid->Data1, riid->Data2, riid->Data3,
 207         riid->Data4[0], riid->Data4[1], riid->Data4[2], riid->Data4[3],
 208         riid->Data4[4], riid->Data4[5], riid->Data4[6], riid->Data4[7]
 209     );
 210
 211     if (RegOpenKeyA(HKEY_CLASSES_ROOT,interfacekey,&ikey)) {
 212         FIXME("No %s key found.\n",interfacekey);
 213         return E_FAIL;
 214     }
 215     type = (1<<REG_SZ);
 216     tlguidlen = sizeof(tlguid);
 217     if (RegQueryValueExA(ikey,NULL,NULL,&type,tlguid,&tlguidlen)) {
 218         FIXME("Getting typelib guid failed.\n");
 219         RegCloseKey(ikey);
 220         return E_FAIL;
 221     }
 222     type = (1<<REG_SZ);
 223     verlen = sizeof(ver);
 224     if (RegQueryValueExA(ikey,"Version",NULL,&type,ver,&verlen)) {
 225         FIXME("Could not get version value?\n");
 226         RegCloseKey(ikey);
 227         return E_FAIL;
 228     }
 229     RegCloseKey(ikey);
 230     sprintf(typelibkey,"Typelib\\%s\\%s\\0\\win32",tlguid,ver);
 231     tlfnlen = sizeof(tlfn);
 232     if (RegQueryValueA(HKEY_CLASSES_ROOT,typelibkey,tlfn,&tlfnlen)) {
 233         FIXME("Could not get typelib fn?\n");
 234         return E_FAIL;
 235     }
 236     MultiByteToWideChar(CP_ACP, 0, tlfn, -1, tlfnW, -1);
 237     hres = LoadTypeLib(tlfnW,&tl);
 238     if (hres) {
 239         ERR("Failed to load typelib for %s, but it should be there.\n",debugstr_guid(riid));
 240         return hres;
 241     }
 242     hres = ITypeLib_GetTypeInfoOfGuid(tl,riid,ti);
 243     if (hres) {
 244         ERR("typelib does not contain info for %s?\n",debugstr_guid(riid));
 245         ITypeLib_Release(tl);
 246         return hres;
 247     }
 248     /* FIXME: do this?  ITypeLib_Release(tl); */
 249     return hres;
 250 }
 251
 252 /* Determine nr of functions. Since we use the toplevel interface and all
 253  * inherited ones have lower numbers, we are ok to not to descent into
 254  * the inheritance tree I think.
 255  */
 256 static int _nroffuncs(ITypeInfo *tinfo) {
 257     int         n, max = 0;
 258     FUNCDESC    *fdesc;
 259     HRESULT     hres;
 260
 261     n=0;
 262     while (1) {
 263         hres = ITypeInfo_GetFuncDesc(tinfo,n,&fdesc);
 264         if (fdesc->oVft/4 > max)
 265             max = fdesc->oVft/4;
 266         if (hres)
 267             return max+1;
 268         n++;
 269     }
 270     /*NOTREACHED*/
 271 }
 272
 273 typedef struct _TMAsmProxy {
 274     BYTE        popleax;
 275     BYTE        pushlval;
 276     BYTE        nr;
 277     BYTE        pushleax;
 278     BYTE        lcall;
 279     DWORD       xcall;
 280     BYTE        lret;
 281     WORD        bytestopop;
 282 } WINE_PACKED TMAsmProxy;
 283
 284 typedef struct _TMProxyImpl {
 285     DWORD                               *lpvtbl;
 286     ICOM_VTABLE(IRpcProxyBuffer)        *lpvtbl2;
 287     DWORD                               ref;
 288
 289     TMAsmProxy                          *asmstubs;
 290     ITypeInfo*                          tinfo;
 291     IRpcChannelBuffer*                  chanbuf;
 292     IID                                 iid;
 293 } TMProxyImpl;
 294
 295 static HRESULT WINAPI
 296 TMProxyImpl_QueryInterface(LPRPCPROXYBUFFER iface, REFIID riid, LPVOID *ppv) {
 297     TRACE("()\n");
 298     if (IsEqualIID(riid,&IID_IUnknown)||IsEqualIID(riid,&IID_IRpcProxyBuffer)) {
 299         *ppv = (LPVOID)iface;
 300         IRpcProxyBuffer_AddRef(iface);
 301         return S_OK;
 302     }
 303     FIXME("no interface for %s\n",debugstr_guid(riid));
 304     return E_NOINTERFACE;
 305 }
 306
 307 static ULONG WINAPI
 308 TMProxyImpl_AddRef(LPRPCPROXYBUFFER iface) {
 309     ICOM_THIS_MULTI(TMProxyImpl,lpvtbl2,iface);
 310
 311     TRACE("()\n");
 312     This->ref++;
 313     return This->ref;
 314 }
 315
 316 static ULONG WINAPI
 317 TMProxyImpl_Release(LPRPCPROXYBUFFER iface) {
 318     ICOM_THIS_MULTI(TMProxyImpl,lpvtbl2,iface);
 319
 320     TRACE("()\n");
 321     This->ref--;
 322     if (This->ref) return This->ref;
 323     if (This->chanbuf) IRpcChannelBuffer_Release(This->chanbuf);
 324     HeapFree(GetProcessHeap(),0,This);
 325     return 0;
 326 }
 327
 328 static HRESULT WINAPI
 329 TMProxyImpl_Connect(
 330     LPRPCPROXYBUFFER iface,IRpcChannelBuffer* pRpcChannelBuffer
 331 ) {
 332     ICOM_THIS_MULTI(TMProxyImpl,lpvtbl2,iface);
 333
 334     TRACE("(%p)\n",pRpcChannelBuffer);
 335     This->chanbuf = pRpcChannelBuffer;
 336     IRpcChannelBuffer_AddRef(This->chanbuf);
 337     return S_OK;
 338 }
 339
 340 static void WINAPI
 341 TMProxyImpl_Disconnect(LPRPCPROXYBUFFER iface) {
 342     ICOM_THIS_MULTI(TMProxyImpl,lpvtbl2,iface);
 343
 344     FIXME("()\n");
 345     IRpcChannelBuffer_Release(This->chanbuf);
 346     This->chanbuf = NULL;
 347 }
 348
 349
 350 static ICOM_VTABLE(IRpcProxyBuffer) tmproxyvtable = {
 351     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 352     TMProxyImpl_QueryInterface,
 353     TMProxyImpl_AddRef,
 354     TMProxyImpl_Release,
 355     TMProxyImpl_Connect,
 356     TMProxyImpl_Disconnect
 357 };
 358
 359 /* how much space do we use on stack in DWORD steps. */
 360 int const
 361 _argsize(DWORD vt) {
 362     switch (vt) {
 363     case VT_DATE:
 364         return sizeof(DATE)/sizeof(DWORD);
 365     case VT_VARIANT:
 366         return (sizeof(VARIANT)+3)/sizeof(DWORD);
 367     default:
 368         return 1;
 369     }
 370 }
 371
 372 static int
 373 _xsize(TYPEDESC *td) {
 374     switch (td->vt) {
 375     case VT_DATE:
 376         return sizeof(DATE);
 377     case VT_VARIANT:
 378         return sizeof(VARIANT)+3;
 379     case VT_CARRAY: {
 380         int i, arrsize = 1;
 381         ARRAYDESC *adesc = td->u.lpadesc;
 382
 383         for (i=0;i<adesc->cDims;i++)
 384             arrsize *= adesc->rgbounds[i].cElements;
 385         return arrsize*_xsize(&adesc->tdescElem);
 386     }
 387     case VT_UI2:
 388     case VT_I2:
 389         return 2;
 390     case VT_UI1:
 391     case VT_I1:
 392         return 1;
 393     default:
 394         return 4;
 395     }
 396 }
 397
 398 static HRESULT
 399 serialize_param(
 400     ITypeInfo           *tinfo,
 401     BOOL                writeit,
 402     BOOL                debugout,
 403     BOOL                dealloc,
 404     TYPEDESC            *tdesc,
 405     DWORD               *arg,
 406     marshal_state       *buf
 407 ) {
 408     HRESULT hres = S_OK;
 409
 410     TRACE("(tdesc.vt %d)\n",tdesc->vt);
 411
 412     switch (tdesc->vt) {
 413     case VT_EMPTY: /* nothing. empty variant for instance */
 414         return S_OK;
 415     case VT_BOOL:
 416     case VT_ERROR:
 417     case VT_UI4:
 418     case VT_UINT:
 419     case VT_I4:
 420     case VT_R4:
 421     case VT_UI2:
 422     case VT_UI1:
 423         hres = S_OK;
 424         if (debugout) MESSAGE("%lx",*arg);
 425         if (writeit)
 426             hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
 427         return hres;
 428     case VT_VARIANT: {
 429         TYPEDESC        tdesc2;
 430         VARIANT         *vt = (VARIANT*)arg;
 431         DWORD           vttype = V_VT(vt);
 432
 433         if (debugout) MESSAGE("Vt(%ld)(",vttype);
 434         tdesc2.vt = vttype;
 435         if (writeit) {
 436             hres = xbuf_add(buf,(LPBYTE)&vttype,sizeof(vttype));
 437             if (hres) return hres;
 438         }
 439         /* need to recurse since we need to free the stuff */
 440         hres = serialize_param(tinfo,writeit,debugout,dealloc,&tdesc2,&(V_I4(vt)),buf);
 441         if (debugout) MESSAGE(")");
 442         return hres;
 443     }
 444     case VT_BSTR: {
 445         if (debugout) {
 446             if (arg)
 447                     MESSAGE("%s",debugstr_w((BSTR)*arg));
 448             else
 449                     MESSAGE("<bstr NULL>");
 450         }
 451         if (writeit) {
 452             if (!*arg) {
 453                 DWORD fakelen = -1;
 454                 hres = xbuf_add(buf,(LPBYTE)&fakelen,4);
 455                 if (hres)
 456                     return hres;
 457             } else {
 458                 DWORD *bstr = ((DWORD*)(*arg))-1;
 459
 460                 hres = xbuf_add(buf,(LPBYTE)bstr,bstr[0]+4);
 461                 if (hres)
 462                     return hres;
 463             }
 464         }
 465         if (dealloc && arg)
 466             SysFreeString((BSTR)arg);
 467         return S_OK;
 468     }
 469     case VT_PTR: {
 470         DWORD cookie;
 471
 472         if (debugout) MESSAGE("*");
 473         if (writeit) {
 474             cookie = *arg ? 0x42424242 : 0;
 475             hres = xbuf_add(buf,(LPBYTE)&cookie,sizeof(cookie));
 476             if (hres)
 477                 return hres;
 478         }
 479         if (!*arg) {
 480             if (debugout) MESSAGE("NULL");
 481             return S_OK;
 482         }
 483         hres = serialize_param(tinfo,writeit,debugout,dealloc,tdesc->u.lptdesc,(DWORD*)*arg,buf);
 484         if (dealloc) HeapFree(GetProcessHeap(),0,(LPVOID)arg);
 485         return hres;
 486     }
 487     case VT_UNKNOWN:
 488         if (debugout) MESSAGE("unk(0x%lx)",*arg);
 489         if (writeit)
 490             hres = _marshal_interface(buf,&IID_IUnknown,(LPUNKNOWN)*arg);
 491         return hres;
 492     case VT_DISPATCH:
 493         if (debugout) MESSAGE("idisp(0x%lx)",*arg);
 494         if (writeit)
 495             hres = _marshal_interface(buf,&IID_IDispatch,(LPUNKNOWN)*arg);
 496         return hres;
 497     case VT_VOID:
 498         if (debugout) MESSAGE("<void>");
 499         return S_OK;
 500     case VT_USERDEFINED: {
 501         ITypeInfo       *tinfo2;
 502         TYPEATTR        *tattr;
 503
 504         hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.hreftype,&tinfo2);
 505         if (hres) {
 506             FIXME("Could not get typeinfo of hreftype %lx for VT_USERDEFINED.\n",tdesc->u.hreftype);
 507             return hres;
 508         }
 509         ITypeInfo_GetTypeAttr(tinfo2,&tattr);
 510         switch (tattr->typekind) {
 511         case TKIND_DISPATCH:
 512         case TKIND_INTERFACE:
 513             if (writeit)
 514                hres=_marshal_interface(buf,&(tattr->guid),(LPUNKNOWN)arg);
 515             break;
 516         case TKIND_RECORD: {
 517             int i;
 518             if (debugout) MESSAGE("{");
 519             for (i=0;i<tattr->cVars;i++) {
 520                 VARDESC *vdesc;
 521                 ELEMDESC *elem2;
 522                 TYPEDESC *tdesc2;
 523
 524                 hres = ITypeInfo2_GetVarDesc(tinfo2, i, &vdesc);
 525                 if (hres) {
 526                     FIXME("Could not get vardesc of %d\n",i);
 527                     return hres;
 528                 }
 529                 /* Need them for hack below */
 530                 /*
 531                 memset(names,0,sizeof(names));
 532                 hres = ITypeInfo_GetNames(tinfo2,vdesc->memid,names,sizeof(names)/sizeof(names[0]),&nrofnames);
 533                 if (nrofnames > sizeof(names)/sizeof(names[0])) {
 534                     ERR("Need more names!\n");
 535                 }
 536                 if (!hres && debugout)
 537                     MESSAGE("%s=",debugstr_w(names[0]));
 538                 */
 539                 elem2 = &vdesc->elemdescVar;
 540                 tdesc2 = &elem2->tdesc;
 541                 hres = serialize_param(
 542                     tinfo2,
 543                     writeit,
 544                     debugout,
 545                     dealloc,
 546                     tdesc2,
 547                     (DWORD*)(((LPBYTE)arg)+vdesc->u.oInst),
 548                     buf
 549                 );
 550                 if (hres!=S_OK)
 551                     return hres;
 552                 if (debugout && (i<(tattr->cVars-1)))
 553                     MESSAGE(",");
 554             }
 555             if (buf->thisisiid && (tattr->cbSizeInstance==sizeof(GUID)))
 556                 memcpy(&(buf->iid),arg,sizeof(buf->iid));
 557             if (debugout) MESSAGE("}");
 558             break;
 559         }
 560         default:
 561             FIXME("Unhandled typekind %d\n",tattr->typekind);
 562             hres = E_FAIL;
 563             break;
 564         }
 565         ITypeInfo_Release(tinfo2);
 566         return hres;
 567     }
 568     case VT_CARRAY: {
 569         ARRAYDESC *adesc = tdesc->u.lpadesc;
 570         int i, arrsize = 1;
 571
 572         if (debugout) MESSAGE("carr");
 573         for (i=0;i<adesc->cDims;i++) {
 574             if (debugout) MESSAGE("[%ld]",adesc->rgbounds[i].cElements);
 575             arrsize *= adesc->rgbounds[i].cElements;
 576         }
 577         if (debugout) MESSAGE("[");
 578         for (i=0;i<arrsize;i++) {
 579             hres = serialize_param(tinfo, writeit, debugout, dealloc, &adesc->tdescElem, (DWORD*)((LPBYTE)arg+i*_xsize(&adesc->tdescElem)), buf);
 580             if (hres)
 581                 return hres;
 582             if (debugout && (i<arrsize-1)) MESSAGE(",");
 583         }
 584         if (debugout) MESSAGE("]");
 585         return S_OK;
 586     }
 587     default:
 588         ERR("Unhandled marshal type %d.\n",tdesc->vt);
 589         return S_OK;
 590     }
 591 }
 592
 593 static HRESULT
 594 serialize_LPVOID_ptr(
 595     ITypeInfo           *tinfo,
 596     BOOL                writeit,
 597     BOOL                debugout,
 598     BOOL                dealloc,
 599     TYPEDESC            *tdesc,
 600     DWORD               *arg,
 601     marshal_state       *buf
 602 ) {
 603     HRESULT     hres;
 604     DWORD       cookie;
 605
 606     if ((tdesc->vt != VT_PTR)                   ||
 607         (tdesc->u.lptdesc->vt != VT_PTR)        ||
 608         (tdesc->u.lptdesc->u.lptdesc->vt != VT_VOID)
 609     ) {
 610         FIXME("ppvObject not expressed as VT_PTR -> VT_PTR -> VT_VOID?\n");
 611         return E_FAIL;
 612     }
 613     cookie = (*arg) ? 0x42424242: 0x0;
 614     if (writeit) {
 615         hres = xbuf_add(buf, (LPVOID)&cookie, sizeof(cookie));
 616         if (hres)
 617             return hres;
 618     }
 619     if (!*arg) {
 620         if (debugout) MESSAGE("<lpvoid NULL>");
 621         return S_OK;
 622     }
 623     if (debugout)
 624         MESSAGE("ppv(%p)",*(LPUNKNOWN*)*arg);
 625     if (writeit) {
 626         hres = _marshal_interface(buf,&(buf->iid),*(LPUNKNOWN*)*arg);
 627         if (hres)
 628             return hres;
 629     }
 630     if (dealloc)
 631         HeapFree(GetProcessHeap(),0,(LPVOID)*arg);
 632     return S_OK;
 633 }
 634
 635 static HRESULT
 636 serialize_DISPPARAM_ptr(
 637     ITypeInfo           *tinfo,
 638     BOOL                writeit,
 639     BOOL                debugout,
 640     BOOL                dealloc,
 641     TYPEDESC            *tdesc,
 642     DWORD               *arg,
 643     marshal_state       *buf
 644 ) {
 645     DWORD       cookie;
 646     HRESULT     hres;
 647     DISPPARAMS  *disp;
 648     int         i;
 649
 650     if ((tdesc->vt != VT_PTR) || (tdesc->u.lptdesc->vt != VT_USERDEFINED)) {
 651         FIXME("DISPPARAMS not expressed as VT_PTR -> VT_USERDEFINED?\n");
 652         return E_FAIL;
 653     }
 654
 655     cookie = *arg ? 0x42424242 : 0x0;
 656     if (writeit) {
 657         hres = xbuf_add(buf,(LPBYTE)&cookie,sizeof(cookie));
 658         if (hres)
 659             return hres;
 660     }
 661     if (!*arg) {
 662         if (debugout) MESSAGE("<DISPPARAMS NULL>");
 663         return S_OK;
 664     }
 665     disp = (DISPPARAMS*)*arg;
 666     if (writeit) {
 667         hres = xbuf_add(buf,(LPBYTE)&disp->cArgs,sizeof(disp->cArgs));
 668         if (hres)
 669             return hres;
 670     }
 671     if (debugout) MESSAGE("D{");
 672     for (i=0;i<disp->cArgs;i++) {
 673         TYPEDESC        vtdesc;
 674
 675         vtdesc.vt = VT_VARIANT;
 676         serialize_param(
 677             tinfo,
 678             writeit,
 679             debugout,
 680             dealloc,
 681             &vtdesc,
 682             (DWORD*)(disp->rgvarg+i),
 683             buf
 684         );
 685         if (debugout && (i<disp->cArgs-1))
 686             MESSAGE(",");
 687     }
 688     if (dealloc)
 689         HeapFree(GetProcessHeap(),0,disp->rgvarg);
 690     if (writeit) {
 691         hres = xbuf_add(buf,(LPBYTE)&disp->cNamedArgs,sizeof(disp->cNamedArgs));
 692         if (hres)
 693             return hres;
 694     }
 695     if (debugout) MESSAGE("}{");
 696     for (i=0;i<disp->cNamedArgs;i++) {
 697         TYPEDESC        vtdesc;
 698
 699         vtdesc.vt = VT_UINT;
 700         serialize_param(
 701             tinfo,
 702             writeit,
 703             debugout,
 704             dealloc,
 705             &vtdesc,
 706             (DWORD*)(disp->rgdispidNamedArgs+i),
 707             buf
 708         );
 709         if (debugout && (i<disp->cNamedArgs-1))
 710             MESSAGE(",");
 711     }
 712     if (debugout) MESSAGE("}");
 713     if (dealloc) {
 714         HeapFree(GetProcessHeap(),0,disp->rgdispidNamedArgs);
 715         HeapFree(GetProcessHeap(),0,disp);
 716     }
 717     return S_OK;
 718 }
 719
 720 static HRESULT
 721 deserialize_param(
 722     ITypeInfo           *tinfo,
 723     BOOL                readit,
 724     BOOL                debugout,
 725     BOOL                alloc,
 726     TYPEDESC            *tdesc,
 727     DWORD               *arg,
 728     marshal_state       *buf
 729 ) {
 730     HRESULT hres = S_OK;
 731
 732     TRACE("vt %d at %p\n",tdesc->vt,arg);
 733
 734     while (1) {
 735         switch (tdesc->vt) {
 736         case VT_EMPTY:
 737             if (debugout) MESSAGE("<empty>");
 738             return S_OK;
 739         case VT_NULL:
 740             if (debugout) MESSAGE("<null>");
 741             return S_OK;
 742         case VT_VARIANT: {
 743             VARIANT     *vt = (VARIANT*)arg;
 744
 745             if (readit) {
 746                 DWORD   vttype;
 747                 TYPEDESC        tdesc2;
 748                 hres = xbuf_get(buf,(LPBYTE)&vttype,sizeof(vttype));
 749                 if (hres) {
 750                     FIXME("vt type not read?\n");
 751                     return hres;
 752                 }
 753                 memset(&tdesc2,0,sizeof(tdesc2));
 754                 tdesc2.vt = vttype;
 755                 V_VT(vt)  = vttype;
 756                 if (debugout) MESSAGE("Vt(%ld)(",vttype);
 757                 hres = deserialize_param(tinfo, readit, debugout, alloc, &tdesc2, &(V_I4(vt)), buf);
 758                 MESSAGE(")");
 759                 return hres;
 760             } else {
 761                 VariantInit(vt);
 762                 return S_OK;
 763             }
 764         }
 765         case VT_ERROR:
 766         case VT_BOOL: case VT_I4: case VT_UI4: case VT_UINT: case VT_R4:
 767         case VT_UI2:
 768         case VT_UI1:
 769             if (readit) {
 770                 hres = xbuf_get(buf,(LPBYTE)arg,sizeof(DWORD));
 771                 if (hres) FIXME("Failed to read integer 4 byte\n");
 772             }
 773             if (debugout) MESSAGE("%lx",*arg);
 774             return hres;
 775         case VT_BSTR: {
 776             WCHAR       *str;
 777             DWORD       len;
 778
 779             if (readit) {
 780                 hres = xbuf_get(buf,(LPBYTE)&len,sizeof(DWORD));
 781                 if (hres) {
 782                     FIXME("failed to read bstr klen\n");
 783                     return hres;
 784                 }
 785                 if (len == -1) {
 786                     *arg = 0;
 787                     if (debugout) MESSAGE("<bstr NULL>");
 788                 } else {
 789                     str  = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,len+sizeof(WCHAR));
 790                     hres = xbuf_get(buf,(LPBYTE)str,len);
 791                     if (hres) {
 792                         FIXME("Failed to read BSTR.\n");
 793                         return hres;
 794                     }
 795                     *arg = (DWORD)SysAllocStringLen(str,len);
 796                     if (debugout) MESSAGE("%s",debugstr_w(str));
 797                     HeapFree(GetProcessHeap(),0,str);
 798                 }
 799             } else {
 800                 *arg = 0;
 801             }
 802             return S_OK;
 803         }
 804         case VT_PTR: {
 805             DWORD       cookie;
 806             BOOL        derefhere = 0;
 807
 808             derefhere = (tdesc->u.lptdesc->vt != VT_USERDEFINED);
 809
 810             if (readit) {
 811                 hres = xbuf_get(buf,(LPBYTE)&cookie,sizeof(cookie));
 812                 if (hres) {
 813                     FIXME("Failed to load pointer cookie.\n");
 814                     return hres;
 815                 }
 816                 if (cookie != 0x42424242) {
 817                     if (debugout) MESSAGE("NULL");
 818                     *arg = 0;
 819                     return S_OK;
 820                 }
 821                 if (debugout) MESSAGE("*");
 822             }
 823             if (alloc) {
 824                 if (derefhere)
 825                     *arg=(DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,_xsize(tdesc->u.lptdesc));
 826             }
 827             if (derefhere)
 828                 return deserialize_param(tinfo, readit, debugout, alloc, tdesc->u.lptdesc, (LPDWORD)*arg, buf);
 829             else
 830                 return deserialize_param(tinfo, readit, debugout, alloc, tdesc->u.lptdesc, arg, buf);
 831         }
 832         case VT_UNKNOWN:
 833             /* FIXME: UNKNOWN is unknown ..., but allocate 4 byte for it */
 834             if (alloc)
 835                 *arg=(DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(DWORD));
 836             hres = S_OK;
 837             if (readit)
 838                 hres = _unmarshal_interface(buf,&IID_IUnknown,(LPUNKNOWN*)arg);
 839             if (debugout)
 840                 MESSAGE("unk(%p)",arg);
 841             return hres;
 842         case VT_DISPATCH:
 843             hres = S_OK;
 844             if (readit)
 845                 hres = _unmarshal_interface(buf,&IID_IDispatch,(LPUNKNOWN*)arg);
 846             if (debugout)
 847                 MESSAGE("idisp(%p)",arg);
 848             return hres;
 849         case VT_VOID:
 850             if (debugout) MESSAGE("<void>");
 851             return S_OK;
 852         case VT_USERDEFINED: {
 853             ITypeInfo   *tinfo2;
 854             TYPEATTR    *tattr;
 855
 856             hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.hreftype,&tinfo2);
 857             if (hres) {
 858                 FIXME("Could not get typeinfo of hreftype %lx for VT_USERDEFINED.\n",tdesc->u.hreftype);
 859                 return hres;
 860             }
 861             hres = ITypeInfo_GetTypeAttr(tinfo2,&tattr);
 862             if (hres) {
 863                 FIXME("Could not get typeattr in VT_USERDEFINED.\n");
 864             } else {
 865                 if (alloc)
 866                     *arg = (DWORD)HeapAlloc(GetProcessHeap(),0,tattr->cbSizeInstance);
 867                 switch (tattr->typekind) {
 868                 case TKIND_DISPATCH:
 869                 case TKIND_INTERFACE:
 870                     if (readit)
 871                         hres = _unmarshal_interface(buf,&(tattr->guid),(LPUNKNOWN*)arg);
 872                     break;
 873                 case TKIND_RECORD: {
 874                     int i;
 875
 876                     if (debugout) MESSAGE("{");
 877                     for (i=0;i<tattr->cVars;i++) {
 878                         VARDESC *vdesc;
 879
 880                         hres = ITypeInfo2_GetVarDesc(tinfo2, i, &vdesc);
 881                         if (hres) {
 882                             FIXME("Could not get vardesc of %d\n",i);
 883                             return hres;
 884                         }
 885                         hres = deserialize_param(
 886                             tinfo2,
 887                             readit,
 888                             debugout,
 889                             alloc,
 890                             &vdesc->elemdescVar.tdesc,
 891                             (DWORD*)(((LPBYTE)*arg)+vdesc->u.oInst),
 892                             buf
 893                         );
 894                         if (debugout && (i<tattr->cVars-1)) MESSAGE(",");
 895                     }
 896                     if (buf->thisisiid && (tattr->cbSizeInstance==sizeof(GUID)))
 897                         memcpy(&(buf->iid),(LPBYTE)*arg,sizeof(buf->iid));
 898                     if (debugout) MESSAGE("}");
 899                     break;
 900                 }
 901                 default:
 902                     ERR("Unhandled typekind %d\n",tattr->typekind);
 903                     hres = E_FAIL;
 904                     break;
 905                 }
 906             }
 907             if (hres)
 908                 FIXME("failed to stuballoc in TKIND_RECORD.\n");
 909             ITypeInfo_Release(tinfo2);
 910             return hres;
 911         }
 912         case VT_CARRAY: {
 913             /* arg is pointing to the start of the array. */
 914             ARRAYDESC *adesc = tdesc->u.lpadesc;
 915             int         arrsize,i;
 916             arrsize = 1;
 917             if (adesc->cDims > 1) FIXME("cDims > 1 in VT_CARRAY. Does it work?\n");
 918             for (i=0;i<adesc->cDims;i++)
 919                 arrsize *= adesc->rgbounds[i].cElements;
 920             for (i=0;i<arrsize;i++)
 921                 deserialize_param(
 922                     tinfo,
 923                     readit,
 924                     debugout,
 925                     alloc,
 926                     &adesc->tdescElem,
 927                     (DWORD*)((LPBYTE)(arg)+i*_xsize(&adesc->tdescElem)),
 928                     buf
 929                 );
 930             return S_OK;
 931         }
 932         default:
 933             ERR("No handler for VT type %d!\n",tdesc->vt);
 934             return S_OK;
 935         }
 936     }
 937 }
 938
 939 static HRESULT
 940 deserialize_LPVOID_ptr(
 941     ITypeInfo           *tinfo,
 942     BOOL                readit,
 943     BOOL                debugout,
 944     BOOL                alloc,
 945     TYPEDESC            *tdesc,
 946     DWORD               *arg,
 947     marshal_state       *buf
 948 ) {
 949     HRESULT     hres;
 950     DWORD       cookie;
 951
 952     if ((tdesc->vt != VT_PTR)                   ||
 953         (tdesc->u.lptdesc->vt != VT_PTR)        ||
 954         (tdesc->u.lptdesc->u.lptdesc->vt != VT_VOID)
 955     ) {
 956         FIXME("ppvObject not expressed as VT_PTR -> VT_PTR -> VT_VOID?\n");
 957         return E_FAIL;
 958     }
 959     if (alloc)
 960         *arg=(DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(LPVOID));
 961     if (readit) {
 962         hres = xbuf_get(buf, (LPVOID)&cookie, sizeof(cookie));
 963         if (hres)
 964             return hres;
 965         if (cookie != 0x42424242) {
 966             *(DWORD*)*arg = 0;
 967             if (debugout) MESSAGE("<lpvoid NULL>");
 968             return S_OK;
 969         }
 970     }
 971     if (readit) {
 972         hres = _unmarshal_interface(buf,&buf->iid,(LPUNKNOWN*)*arg);
 973         if (hres)
 974             return hres;
 975     }
 976     if (debugout) MESSAGE("ppv(%p)",(LPVOID)*arg);
 977     return S_OK;
 978 }
 979
 980 static HRESULT
 981 deserialize_DISPPARAM_ptr(
 982     ITypeInfo           *tinfo,
 983     BOOL                readit,
 984     BOOL                debugout,
 985     BOOL                alloc,
 986     TYPEDESC            *tdesc,
 987     DWORD               *arg,
 988     marshal_state       *buf
 989 ) {
 990     DWORD       cookie;
 991     DISPPARAMS  *disps;
 992     HRESULT     hres;
 993     int         i;
 994
 995     if ((tdesc->vt != VT_PTR) || (tdesc->u.lptdesc->vt != VT_USERDEFINED)) {
 996         FIXME("DISPPARAMS not expressed as VT_PTR -> VT_USERDEFINED?\n");
 997         return E_FAIL;
 998     }
 999     if (readit) {
1000         hres = xbuf_get(buf,(LPBYTE)&cookie,sizeof(cookie));
1001         if (hres)
1002             return hres;
1003         if (cookie == 0) {
1004             *arg = 0;
1005             if (debugout) MESSAGE("<DISPPARAMS NULL>");
1006             return S_OK;
1007         }
1008     }
1009     if (alloc)
1010         *arg = (DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(DISPPARAMS));
1011     disps = (DISPPARAMS*)*arg;
1012     if (!readit)
1013         return S_OK;
1014     hres = xbuf_get(buf, (LPBYTE)&disps->cArgs, sizeof(disps->cArgs));
1015     if (hres)
1016         return hres;
1017     if (alloc)
1018         disps->rgvarg = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(VARIANT)*disps->cArgs);
1019     if (debugout) MESSAGE("D{");
1020     for (i=0; i< disps->cArgs; i++) {
1021         TYPEDESC vdesc;
1022
1023         vdesc.vt = VT_VARIANT;
1024         hres = deserialize_param(
1025             tinfo,
1026             readit,
1027             debugout,
1028             alloc,
1029             &vdesc,
1030             (DWORD*)(disps->rgvarg+i),
1031             buf
1032         );
1033     }
1034     if (debugout) MESSAGE("}{");
1035     hres = xbuf_get(buf, (LPBYTE)&disps->cNamedArgs, sizeof(disps->cNamedArgs));
1036     if (hres)
1037         return hres;
1038     if (disps->cNamedArgs) {
1039         if (alloc)
1040             disps->rgdispidNamedArgs = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(DISPID)*disps->cNamedArgs);
1041         for (i=0; i< disps->cNamedArgs; i++) {
1042             TYPEDESC vdesc;
1043
1044             vdesc.vt = VT_UINT;
1045             hres = deserialize_param(
1046                 tinfo,
1047                 readit,
1048                 debugout,
1049                 alloc,
1050                 &vdesc,
1051                 (DWORD*)(disps->rgdispidNamedArgs+i),
1052                 buf
1053             );
1054             if (debugout && i<(disps->cNamedArgs-1)) MESSAGE(",");
1055         }
1056     }
1057     if (debugout) MESSAGE("}");
1058     return S_OK;
1059 }
1060
1061 /* Searches function, also in inherited interfaces */
1062 static HRESULT
1063 _get_funcdesc(
1064     ITypeInfo *tinfo, int iMethod, FUNCDESC **fdesc, BSTR *iname, BSTR *fname
1065 ) {
1066     int i = 0, j = 0;
1067     HRESULT hres;
1068
1069     if (fname) *fname = NULL;
1070     if (iname) *iname = NULL;
1071
1072     while (1) {
1073         hres = ITypeInfo_GetFuncDesc(tinfo, i, fdesc);
1074         if (hres) {
1075             ITypeInfo   *tinfo2;
1076             HREFTYPE    href;
1077             TYPEATTR    *attr;
1078
1079             hres = ITypeInfo_GetTypeAttr(tinfo, &attr);
1080             if (hres) {
1081                 FIXME("GetTypeAttr failed with %lx\n",hres);
1082                 return hres;
1083             }
1084             /* Not found, so look in inherited ifaces. */
1085             for (j=0;j<attr->cImplTypes;j++) {
1086                 hres = ITypeInfo_GetRefTypeOfImplType(tinfo, j, &href);
1087                 if (hres) {
1088                     FIXME("Did not find a reftype for interface offset %d?\n",j);
1089                     break;
1090                 }
1091                 hres = ITypeInfo_GetRefTypeInfo(tinfo, href, &tinfo2);
1092                 if (hres) {
1093                     FIXME("Did not find a typeinfo for reftype %ld?\n",href);
1094                     continue;
1095                 }
1096                 hres = _get_funcdesc(tinfo2,iMethod,fdesc,iname,fname);
1097                 ITypeInfo_Release(tinfo2);
1098                 if (!hres) return S_OK;
1099             }
1100             return E_FAIL;
1101         }
1102         if (((*fdesc)->oVft/4) == iMethod) {
1103             if (fname)
1104                 ITypeInfo_GetDocumentation(tinfo,(*fdesc)->memid,fname,NULL,NULL,NULL);
1105             if (iname)
1106                 ITypeInfo_GetDocumentation(tinfo,-1,iname,NULL,NULL,NULL);
1107             return S_OK;
1108         }
1109         i++;
1110     }
1111     return E_FAIL;
1112 }
1113
1114 static DWORD
1115 xCall(LPVOID retptr, int method, TMProxyImpl *tpinfo /*, args */) {
1116     DWORD               *args = ((DWORD*)&tpinfo)+1, *xargs;
1117     FUNCDESC            *fdesc;
1118     HRESULT             hres;
1119     int                 i, relaydeb = TRACE_ON(olerelay);
1120     marshal_state       buf;
1121     RPCOLEMESSAGE       msg;
1122     ULONG               status;
1123     BSTR                fname,iname;
1124     BSTR                names[10];
1125     int                 nrofnames;
1126
1127     hres = _get_funcdesc(tpinfo->tinfo,method,&fdesc,&iname,&fname);
1128     if (hres) {
1129         ERR("Did not find typeinfo/funcdesc entry for method %d!\n",method);
1130         return 0;
1131     }
1132
1133     /*dump_FUNCDESC(fdesc);*/
1134     if (relaydeb) {
1135         TRACE_(olerelay)("->");
1136         if (iname)
1137             MESSAGE("%s:",debugstr_w(iname));
1138         if (fname)
1139             MESSAGE("%s(%d)",debugstr_w(fname),method);
1140         else
1141             MESSAGE("%d",method);
1142         MESSAGE("(");
1143         if (iname) SysFreeString(iname);
1144         if (fname) SysFreeString(fname);
1145     }
1146     /* Need them for hack below */
1147     memset(names,0,sizeof(names));
1148     if (ITypeInfo_GetNames(tpinfo->tinfo,fdesc->memid,names,sizeof(names)/sizeof(names[0]),&nrofnames))
1149         nrofnames = 0;
1150     if (nrofnames > sizeof(names)/sizeof(names[0]))
1151         ERR("Need more names!\n");
1152
1153     memset(&buf,0,sizeof(buf));
1154     buf.iid = IID_IUnknown;
1155     if (method == 0) {
1156         xbuf_add(&buf,(LPBYTE)args[0],sizeof(IID));
1157         if (relaydeb) MESSAGE("riid=%s,[out]",debugstr_guid((REFIID)args[0]));
1158     } else {
1159         xargs = args;
1160         for (i=0;i<fdesc->cParams;i++) {
1161             ELEMDESC    *elem = fdesc->lprgelemdescParam+i;
1162             BOOL        isserialized = FALSE;
1163             if (relaydeb) {
1164                 if (i) MESSAGE(",");
1165                 if (i+1<nrofnames && names[i+1])
1166                     MESSAGE("%s=",debugstr_w(names[i+1]));
1167             }
1168             /* No need to marshal other data than FIN */
1169             if (!(elem->u.paramdesc.wParamFlags & PARAMFLAG_FIN)) {
1170                 xargs+=_argsize(elem->tdesc.vt);
1171                 if (relaydeb) MESSAGE("[out]");
1172                 continue;
1173             }
1174             if (((i+1)<nrofnames) && !IsBadStringPtrW(names[i+1],1)) {
1175                 /* If the parameter is 'riid', we use it as interface IID
1176                  * for a later ppvObject serialization.
1177                  */
1178                 buf.thisisiid = !lstrcmpW(names[i+1],riidW);
1179
1180                 /* DISPPARAMS* needs special serializer */
1181                 if (!lstrcmpW(names[i+1],pdispparamsW)) {
1182                     hres = serialize_DISPPARAM_ptr(
1183                         tpinfo->tinfo,
1184                         elem->u.paramdesc.wParamFlags & PARAMFLAG_FIN,
1185                         relaydeb,
1186                         FALSE,
1187                         &elem->tdesc,
1188                         xargs,
1189                         &buf
1190                     );
1191                     isserialized = TRUE;
1192                 }
1193                 if (!lstrcmpW(names[i+1],ppvObjectW)) {
1194                     hres = serialize_LPVOID_ptr(
1195                         tpinfo->tinfo,
1196                         elem->u.paramdesc.wParamFlags & PARAMFLAG_FIN,
1197                         relaydeb,
1198                         FALSE,
1199                         &elem->tdesc,
1200                         xargs,
1201                         &buf
1202                     );
1203                     if (hres == S_OK)
1204                         isserialized = TRUE;
1205                 }
1206             }
1207             if (!isserialized)
1208                 hres = serialize_param(
1209                     tpinfo->tinfo,
1210                     elem->u.paramdesc.wParamFlags & PARAMFLAG_FIN,
1211                     relaydeb,
1212                     FALSE,
1213                     &elem->tdesc,
1214                     xargs,
1215                     &buf
1216                 );
1217
1218             if (hres) {
1219                 FIXME("Failed to serialize param, hres %lx\n",hres);
1220                 break;
1221             }
1222             xargs+=_argsize(elem->tdesc.vt);
1223         }
1224     }
1225     if (relaydeb) MESSAGE(")");
1226     memset(&msg,0,sizeof(msg));
1227     msg.cbBuffer = buf.curoff;
1228     msg.iMethod  = method;
1229     hres = IRpcChannelBuffer_GetBuffer(tpinfo->chanbuf,&msg,&(tpinfo->iid));
1230     if (hres) {
1231         FIXME("RpcChannelBuffer GetBuffer failed, %lx\n",hres);
1232         return hres;
1233     }
1234     memcpy(msg.Buffer,buf.base,buf.curoff);
1235     if (relaydeb) MESSAGE("\n");
1236     hres = IRpcChannelBuffer_SendReceive(tpinfo->chanbuf,&msg,&status);
1237     if (hres) {
1238         FIXME("RpcChannelBuffer SendReceive failed, %lx\n",hres);
1239         return hres;
1240     }
1241     relaydeb = TRACE_ON(olerelay);
1242     if (relaydeb) MESSAGE(" = %08lx (",status);
1243     if (buf.base)
1244         buf.base = HeapReAlloc(GetProcessHeap(),0,buf.base,msg.cbBuffer);
1245     else
1246         buf.base = HeapAlloc(GetProcessHeap(),0,msg.cbBuffer);
1247     buf.size = msg.cbBuffer;
1248     memcpy(buf.base,msg.Buffer,buf.size);
1249     buf.curoff = 0;
1250     if (method == 0) {
1251         _unmarshal_interface(&buf,(REFIID)args[0],(LPUNKNOWN*)args[1]);
1252         if (relaydeb) MESSAGE("[in],%p",*((DWORD**)args[1]));
1253     } else {
1254         xargs = args;
1255         for (i=0;i<fdesc->cParams;i++) {
1256             ELEMDESC    *elem = fdesc->lprgelemdescParam+i;
1257             BOOL        isdeserialized = FALSE;
1258
1259             if (relaydeb) {
1260                 if (i) MESSAGE(",");
1261                 if (i+1<nrofnames && names[i+1]) MESSAGE("%s=",debugstr_w(names[i+1]));
1262             }
1263             /* No need to marshal other data than FOUT I think */
1264             if (!(elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT)) {
1265                 xargs += _argsize(elem->tdesc.vt);
1266                 if (relaydeb) MESSAGE("[in]");
1267                 continue;
1268             }
1269             if (((i+1)<nrofnames) && !IsBadStringPtrW(names[i+1],1)) {
1270                 /* If the parameter is 'riid', we use it as interface IID
1271                  * for a later ppvObject serialization.
1272                  */
1273                 buf.thisisiid = !lstrcmpW(names[i+1],riidW);
1274
1275                 /* deserialize DISPPARAM */
1276                 if (!lstrcmpW(names[i+1],pdispparamsW)) {
1277                     hres = deserialize_DISPPARAM_ptr(
1278                         tpinfo->tinfo,
1279                         elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT,
1280                         relaydeb,
1281                         FALSE,
1282                         &(elem->tdesc),
1283                         xargs,
1284                         &buf
1285                     );
1286                     if (hres) {
1287                         FIXME("Failed to deserialize DISPPARAM*, hres %lx\n",hres);
1288                         break;
1289                     }
1290                     isdeserialized = TRUE;
1291                 }
1292                 if (!lstrcmpW(names[i+1],ppvObjectW)) {
1293                     hres = deserialize_LPVOID_ptr(
1294                         tpinfo->tinfo,
1295                         elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT,
1296                         relaydeb,
1297                         FALSE,
1298                         &elem->tdesc,
1299                         xargs,
1300                         &buf
1301                     );
1302                     if (hres == S_OK)
1303                         isdeserialized = TRUE;
1304                 }
1305             }
1306             if (!isdeserialized)
1307                 hres = deserialize_param(
1308                     tpinfo->tinfo,
1309                     elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT,
1310                     relaydeb,
1311                     FALSE,
1312                     &(elem->tdesc),
1313                     xargs,
1314                     &buf
1315                 );
1316             if (hres) {
1317                 FIXME("Failed to unmarshall param, hres %lx\n",hres);
1318                 break;
1319             }
1320             xargs += _argsize(elem->tdesc.vt);
1321         }
1322     }
1323     if (relaydeb) MESSAGE(")\n\n");
1324     HeapFree(GetProcessHeap(),0,buf.base);
1325     return status;
1326 }
1327
1328 static HRESULT WINAPI
1329 PSFacBuf_CreateProxy(
1330     LPPSFACTORYBUFFER iface, IUnknown* pUnkOuter, REFIID riid,
1331     IRpcProxyBuffer **ppProxy, LPVOID *ppv
1332 ) {
1333     HRESULT     hres;
1334     ITypeInfo   *tinfo;
1335     int         i, nroffuncs;
1336     FUNCDESC    *fdesc;
1337     TMProxyImpl *proxy;
1338
1339     TRACE("(...%s...)\n",debugstr_guid(riid));
1340     hres = _get_typeinfo_for_iid(riid,&tinfo);
1341     if (hres) {
1342         FIXME("No typeinfo for %s?\n",debugstr_guid(riid));
1343         return hres;
1344     }
1345     nroffuncs = _nroffuncs(tinfo);
1346     proxy = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(TMProxyImpl));
1347     if (!proxy) return E_OUTOFMEMORY;
1348     proxy->asmstubs=HeapAlloc(GetProcessHeap(),0,sizeof(TMAsmProxy)*nroffuncs);
1349
1350     assert(sizeof(TMAsmProxy) == 12);
1351
1352     proxy->lpvtbl = HeapAlloc(GetProcessHeap(),0,sizeof(LPBYTE)*nroffuncs);
1353     for (i=0;i<nroffuncs;i++) {
1354         int             nrofargs;
1355         TMAsmProxy      *xasm = proxy->asmstubs+i;
1356
1357         /* nrofargs without This */
1358         switch (i) {
1359         case 0: nrofargs = 2;
1360                 break;
1361         case 1: case 2: nrofargs = 0;
1362                 break;
1363         default: {
1364                 int j;
1365                 hres = _get_funcdesc(tinfo,i,&fdesc,NULL,NULL);
1366                 if (hres) {
1367                     FIXME("GetFuncDesc %lx should not fail here.\n",hres);
1368                     return hres;
1369                 }
1370                 /* some args take more than 4 byte on the stack */
1371                 nrofargs = 0;
1372                 for (j=0;j<fdesc->cParams;j++)
1373                     nrofargs += _argsize(fdesc->lprgelemdescParam[j].tdesc.vt);
1374
1375                 if (fdesc->callconv != CC_STDCALL) {
1376                     ERR("calling convention is not stdcall????\n");
1377                     return E_FAIL;
1378                 }
1379                 break;
1380             }
1381         }
1382 /* popl %eax    -       return ptr
1383  * pushl <nr>
1384  * pushl %eax
1385  * call xCall
1386  * lret <nr> (+4)
1387  *
1388  *
1389  * arg3 arg2 arg1 <method> <returnptr>
1390  */
1391         xasm->popleax   = 0x58;
1392         xasm->pushlval  = 0x6a;
1393         xasm->nr        = i;
1394         xasm->pushleax  = 0x50;
1395         xasm->lcall     = 0xe8; /* relative jump */
1396         xasm->xcall     = (DWORD)xCall;
1397         xasm->xcall     -= (DWORD)&(xasm->lret);
1398         xasm->lret      = 0xc2;
1399         xasm->bytestopop= (nrofargs+2)*4; /* pop args, This, iMethod */
1400         proxy->lpvtbl[i] = (DWORD)xasm;
1401     }
1402     proxy->lpvtbl2      = &tmproxyvtable;
1403     proxy->ref          = 2;
1404     proxy->tinfo        = tinfo;
1405     memcpy(&proxy->iid,riid,sizeof(*riid));
1406     *ppv                = (LPVOID)proxy;
1407     *ppProxy            = (IRpcProxyBuffer *)&(proxy->lpvtbl2);
1408     return S_OK;
1409 }
1410
1411 typedef struct _TMStubImpl {
1412     ICOM_VTABLE(IRpcStubBuffer) *lpvtbl;
1413     DWORD                       ref;
1414
1415     LPUNKNOWN                   pUnk;
1416     ITypeInfo                   *tinfo;
1417     IID                         iid;
1418 } TMStubImpl;
1419
1420 static HRESULT WINAPI
1421 TMStubImpl_QueryInterface(LPRPCSTUBBUFFER iface, REFIID riid, LPVOID *ppv) {
1422     if (IsEqualIID(riid,&IID_IRpcStubBuffer)||IsEqualIID(riid,&IID_IUnknown)){
1423         *ppv = (LPVOID)iface;
1424         IRpcStubBuffer_AddRef(iface);
1425         return S_OK;
1426     }
1427     FIXME("%s, not supported IID.\n",debugstr_guid(riid));
1428     return E_NOINTERFACE;
1429 }
1430
1431 static ULONG WINAPI
1432 TMStubImpl_AddRef(LPRPCSTUBBUFFER iface) {
1433     ICOM_THIS(TMStubImpl,iface);
1434
1435     This->ref++;
1436     return This->ref;
1437 }
1438
1439 static ULONG WINAPI
1440 TMStubImpl_Release(LPRPCSTUBBUFFER iface) {
1441     ICOM_THIS(TMStubImpl,iface);
1442
1443     This->ref--;
1444     if (This->ref)
1445         return This->ref;
1446     HeapFree(GetProcessHeap(),0,This);
1447     return 0;
1448 }
1449
1450 static HRESULT WINAPI
1451 TMStubImpl_Connect(LPRPCSTUBBUFFER iface, LPUNKNOWN pUnkServer) {
1452     ICOM_THIS(TMStubImpl,iface);
1453
1454     IUnknown_AddRef(pUnkServer);
1455     This->pUnk = pUnkServer;
1456     return S_OK;
1457 }
1458
1459 static void WINAPI
1460 TMStubImpl_Disconnect(LPRPCSTUBBUFFER iface) {
1461     ICOM_THIS(TMStubImpl,iface);
1462
1463     IUnknown_Release(This->pUnk);
1464     This->pUnk = NULL;
1465     return;
1466 }
1467
1468 static HRESULT WINAPI
1469 TMStubImpl_Invoke(
1470     LPRPCSTUBBUFFER iface, RPCOLEMESSAGE* xmsg,IRpcChannelBuffer*rpcchanbuf
1471 ) {
1472     int         i;
1473     FUNCDESC    *fdesc;
1474     ICOM_THIS(TMStubImpl,iface);
1475     HRESULT     hres;
1476     DWORD       *args, res, *xargs, nrofargs;
1477     marshal_state       buf;
1478     int         nrofnames;
1479     BSTR        names[10];
1480
1481     memset(&buf,0,sizeof(buf));
1482     buf.size    = xmsg->cbBuffer;
1483     buf.base    = xmsg->Buffer;
1484     buf.curoff  = 0;
1485     buf.iid     = IID_IUnknown;
1486
1487     TRACE("...\n");
1488     if (xmsg->iMethod == 0) { /* QI */
1489         IID             xiid;
1490         /* in: IID, out: <iface> */
1491
1492         xbuf_get(&buf,(LPBYTE)&xiid,sizeof(xiid));
1493         buf.curoff = 0;
1494         hres = _marshal_interface(&buf,&xiid,This->pUnk);
1495         xmsg->Buffer    = buf.base; /* Might have been reallocated */
1496         xmsg->cbBuffer  = buf.size;
1497         return hres;
1498     }
1499     hres = _get_funcdesc(This->tinfo,xmsg->iMethod,&fdesc,NULL,NULL);
1500     if (hres) {
1501         FIXME("GetFuncDesc on method %ld failed with %lx\n",xmsg->iMethod,hres);
1502         return hres;
1503     }
1504     /* Need them for hack below */
1505     memset(names,0,sizeof(names));
1506     ITypeInfo_GetNames(This->tinfo,fdesc->memid,names,sizeof(names)/sizeof(names[0]),&nrofnames);
1507     if (nrofnames > sizeof(names)/sizeof(names[0])) {
1508         ERR("Need more names!\n");
1509     }
1510
1511     /*dump_FUNCDESC(fdesc);*/
1512     nrofargs = 0;
1513     for (i=0;i<fdesc->cParams;i++)
1514         nrofargs += _argsize(fdesc->lprgelemdescParam[i].tdesc.vt);
1515     args = HeapAlloc(GetProcessHeap(),0,(nrofargs+1)*sizeof(DWORD));
1516     if (!args) return E_OUTOFMEMORY;
1517
1518     /* Allocate all stuff used by call. */
1519     xargs = args+1;
1520     for (i=0;i<fdesc->cParams;i++) {
1521         ELEMDESC        *elem = fdesc->lprgelemdescParam+i;
1522         BOOL            isdeserialized = FALSE;
1523
1524         if (((i+1)<nrofnames) && !IsBadStringPtrW(names[i+1],1)) {
1525             /* If the parameter is 'riid', we use it as interface IID
1526              * for a later ppvObject serialization.
1527              */
1528             buf.thisisiid = !lstrcmpW(names[i+1],riidW);
1529
1530             /* deserialize DISPPARAM */
1531             if (!lstrcmpW(names[i+1],pdispparamsW)) {
1532                 hres = deserialize_DISPPARAM_ptr(
1533                     This->tinfo,
1534                     elem->u.paramdesc.wParamFlags & PARAMFLAG_FIN,
1535                     FALSE,
1536                     TRUE,
1537                     &(elem->tdesc),
1538                     xargs,
1539                     &buf
1540                 );
1541                 if (hres) {
1542                     FIXME("Failed to deserialize DISPPARAM*, hres %lx\n",hres);
1543                     break;
1544                 }
1545                 isdeserialized = TRUE;
1546             }
1547             if (!lstrcmpW(names[i+1],ppvObjectW)) {
1548                 hres = deserialize_LPVOID_ptr(
1549                     This->tinfo,
1550                     elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT,
1551                     FALSE,
1552                     TRUE,
1553                     &elem->tdesc,
1554                     xargs,
1555                     &buf
1556                 );
1557                 if (hres == S_OK)
1558                     isdeserialized = TRUE;
1559             }
1560         }
1561         if (!isdeserialized)
1562             hres = deserialize_param(
1563                 This->tinfo,
1564                 elem->u.paramdesc.wParamFlags & PARAMFLAG_FIN,
1565                 FALSE,
1566                 TRUE,
1567                 &(elem->tdesc),
1568                 xargs,
1569                 &buf
1570             );
1571         xargs += _argsize(elem->tdesc.vt);
1572         if (hres) {
1573             FIXME("Failed to deserialize param %s, hres %lx\n",debugstr_w(names[i+1]),hres);
1574             break;
1575         }
1576     }
1577     hres = IUnknown_QueryInterface(This->pUnk,&(This->iid),(LPVOID*)&(args[0]));
1578     if (hres) {
1579         ERR("Does not support iface %s\n",debugstr_guid(&(This->iid)));
1580         return hres;
1581     }
1582     res = _invoke(
1583             (*((LPVOID**)args[0]))[fdesc->oVft/4],
1584             fdesc->callconv,
1585             (xargs-args),
1586             args
1587     );
1588     IUnknown_Release((LPUNKNOWN)args[0]);
1589     buf.curoff = 0;
1590     xargs = args+1;
1591     for (i=0;i<fdesc->cParams;i++) {
1592         ELEMDESC        *elem = fdesc->lprgelemdescParam+i;
1593         BOOL            isserialized = FALSE;
1594
1595         if (((i+1)<nrofnames) && !IsBadStringPtrW(names[i+1],1)) {
1596             /* If the parameter is 'riid', we use it as interface IID
1597              * for a later ppvObject serialization.
1598              */
1599             buf.thisisiid = !lstrcmpW(names[i+1],riidW);
1600
1601             /* DISPPARAMS* needs special serializer */
1602             if (!lstrcmpW(names[i+1],pdispparamsW)) {
1603                 hres = serialize_DISPPARAM_ptr(
1604                     This->tinfo,
1605                     elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT,
1606                     FALSE,
1607                     TRUE,
1608                     &elem->tdesc,
1609                     xargs,
1610                     &buf
1611                 );
1612                 isserialized = TRUE;
1613             }
1614             if (!lstrcmpW(names[i+1],ppvObjectW)) {
1615                 hres = serialize_LPVOID_ptr(
1616                     This->tinfo,
1617                     elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT,
1618                     FALSE,
1619                     TRUE,
1620                     &elem->tdesc,
1621                     xargs,
1622                     &buf
1623                 );
1624                 if (hres == S_OK)
1625                     isserialized = TRUE;
1626             }
1627         }
1628         if (!isserialized)
1629             hres = serialize_param(
1630                This->tinfo,
1631                elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT,
1632                FALSE,
1633                TRUE,
1634                &elem->tdesc,
1635                xargs,
1636                &buf
1637             );
1638         xargs += _argsize(elem->tdesc.vt);
1639         if (hres) {
1640             FIXME("Failed to stuballoc param, hres %lx\n",hres);
1641             break;
1642         }
1643     }
1644     /* might need to use IRpcChannelBuffer_GetBuffer ? */
1645     xmsg->cbBuffer      = buf.curoff;
1646     xmsg->Buffer        = buf.base;
1647     HeapFree(GetProcessHeap(),0,args);
1648     return res;
1649 }
1650
1651 static LPRPCSTUBBUFFER WINAPI
1652 TMStubImpl_IsIIDSupported(LPRPCSTUBBUFFER iface, REFIID riid) {
1653     FIXME("Huh (%s)?\n",debugstr_guid(riid));
1654     return NULL;
1655 }
1656
1657 static ULONG WINAPI
1658 TMStubImpl_CountRefs(LPRPCSTUBBUFFER iface) {
1659     ICOM_THIS(TMStubImpl,iface);
1660
1661     return This->ref; /*FIXME? */
1662 }
1663
1664 static HRESULT WINAPI
1665 TMStubImpl_DebugServerQueryInterface(LPRPCSTUBBUFFER iface, LPVOID *ppv) {
1666     return E_NOTIMPL;
1667 }
1668
1669 static void WINAPI
1670 TMStubImpl_DebugServerRelease(LPRPCSTUBBUFFER iface, LPVOID ppv) {
1671     return;
1672 }
1673
1674 ICOM_VTABLE(IRpcStubBuffer) tmstubvtbl = {
1675     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
1676     TMStubImpl_QueryInterface,
1677     TMStubImpl_AddRef,
1678     TMStubImpl_Release,
1679     TMStubImpl_Connect,
1680     TMStubImpl_Disconnect,
1681     TMStubImpl_Invoke,
1682     TMStubImpl_IsIIDSupported,
1683     TMStubImpl_CountRefs,
1684     TMStubImpl_DebugServerQueryInterface,
1685     TMStubImpl_DebugServerRelease
1686 };
1687
1688 static HRESULT WINAPI
1689 PSFacBuf_CreateStub(
1690     LPPSFACTORYBUFFER iface, REFIID riid,IUnknown *pUnkServer,
1691     IRpcStubBuffer** ppStub
1692 ) {
1693     HRESULT hres;
1694     ITypeInfo   *tinfo;
1695     TMStubImpl  *stub;
1696
1697     TRACE("(%s,%p,%p)\n",debugstr_guid(riid),pUnkServer,ppStub);
1698     hres = _get_typeinfo_for_iid(riid,&tinfo);
1699     if (hres) {
1700         FIXME("No typeinfo for %s?\n",debugstr_guid(riid));
1701         return hres;
1702     }
1703     stub = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(TMStubImpl));
1704     if (!stub)
1705         return E_OUTOFMEMORY;
1706     stub->lpvtbl        = &tmstubvtbl;
1707     stub->ref           = 1;
1708     stub->tinfo         = tinfo;
1709     memcpy(&(stub->iid),riid,sizeof(*riid));
1710     hres = IRpcStubBuffer_Connect((LPRPCSTUBBUFFER)stub,pUnkServer);
1711     *ppStub             = (LPRPCSTUBBUFFER)stub;
1712     if (hres)
1713         FIXME("Connect to pUnkServer failed?\n");
1714     return hres;
1715 }
1716
1717 static ICOM_VTABLE(IPSFactoryBuffer) psfacbufvtbl = {
1718     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
1719     PSFacBuf_QueryInterface,
1720     PSFacBuf_AddRef,
1721     PSFacBuf_Release,
1722     PSFacBuf_CreateProxy,
1723     PSFacBuf_CreateStub
1724 };
1725
1726 /* This is the whole PSFactoryBuffer object, just the vtableptr */
1727 static ICOM_VTABLE(IPSFactoryBuffer) *lppsfac = &psfacbufvtbl;
1728
1729 /***********************************************************************
1730  *           DllGetClassObject [OLE32.63]
1731  */
1732 HRESULT WINAPI
1733 TypeLibFac_DllGetClassObject(REFCLSID rclsid, REFIID iid,LPVOID *ppv)
1734 {
1735     if (IsEqualIID(iid,&IID_IPSFactoryBuffer)) {
1736         *ppv = &lppsfac;
1737         return S_OK;
1738     }
1739     return E_NOINTERFACE;
1740 }