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

   1 /*
   2  *      TYPELIB Marshaler
   3  *
   4  *      Copyright 2002,2005     Marcus Meissner
   5  *
   6  * The olerelay debug channel allows you to see calls marshalled by
   7  * the typelib marshaller. It is not a generic COM relaying system.
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  */
  23
  24 #include "config.h"
  25
  26 #include <assert.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29 #include <stdarg.h>
  30 #include <stdio.h>
  31 #include <ctype.h>
  32
  33 #define COBJMACROS
  34 #define NONAMELESSUNION
  35 #define NONAMELESSSTRUCT
  36
  37 #include "winerror.h"
  38 #include "windef.h"
  39 #include "winbase.h"
  40 #include "winnls.h"
  41 #include "winreg.h"
  42 #include "winuser.h"
  43 #include "excpt.h"
  44
  45 #include "ole2.h"
  46 #include "propidl.h" /* for LPSAFEARRAY_User* functions */
  47 #include "typelib.h"
  48 #include "variant.h"
  49 #include "wine/debug.h"
  50 #include "wine/exception.h"
  51
  52 static const WCHAR IDispatchW[] = { 'I','D','i','s','p','a','t','c','h',0};
  53
  54 WINE_DEFAULT_DEBUG_CHANNEL(ole);
  55 WINE_DECLARE_DEBUG_CHANNEL(olerelay);
  56
  57 #define ICOM_THIS_MULTI(impl,field,iface) impl* const This=(impl*)((char*)(iface) - offsetof(impl,field))
  58
  59 static HRESULT TMarshalDispatchChannel_Create(
  60     IRpcChannelBuffer *pDelegateChannel, REFIID tmarshal_riid,
  61     IRpcChannelBuffer **ppChannel);
  62
  63 typedef struct _marshal_state {
  64     LPBYTE      base;
  65     int         size;
  66     int         curoff;
  67 } marshal_state;
  68
  69 /* used in the olerelay code to avoid having the L"" stuff added by debugstr_w */
  70 static char *relaystr(WCHAR *in) {
  71     char *tmp = (char *)debugstr_w(in);
  72     tmp += 2;
  73     tmp[strlen(tmp)-1] = '\0';
  74     return tmp;
  75 }
  76
  77 static HRESULT
  78 xbuf_resize(marshal_state *buf, DWORD newsize)
  79 {
  80     if(buf->size >= newsize)
  81         return S_FALSE;
  82
  83     if(buf->base)
  84     {
  85         buf->base = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, buf->base, newsize);
  86         if(!buf->base)
  87             return E_OUTOFMEMORY;
  88     }
  89     else
  90     {
  91         buf->base = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, newsize);
  92         if(!buf->base)
  93             return E_OUTOFMEMORY;
  94     }
  95     buf->size = newsize;
  96     return S_OK;
  97 }
  98
  99 static HRESULT
 100 xbuf_add(marshal_state *buf, LPBYTE stuff, DWORD size)
 101 {
 102     HRESULT hr;
 103
 104     if(buf->size - buf->curoff < size)
 105     {
 106         hr = xbuf_resize(buf, buf->size + size + 100);
 107         if(FAILED(hr)) return hr;
 108     }
 109     memcpy(buf->base+buf->curoff,stuff,size);
 110     buf->curoff += size;
 111     return S_OK;
 112 }
 113
 114 static HRESULT
 115 xbuf_get(marshal_state *buf, LPBYTE stuff, DWORD size) {
 116     if (buf->size < buf->curoff+size) return E_FAIL;
 117     memcpy(stuff,buf->base+buf->curoff,size);
 118     buf->curoff += size;
 119     return S_OK;
 120 }
 121
 122 static HRESULT
 123 xbuf_skip(marshal_state *buf, DWORD size) {
 124     if (buf->size < buf->curoff+size) return E_FAIL;
 125     buf->curoff += size;
 126     return S_OK;
 127 }
 128
 129 static HRESULT
 130 _unmarshal_interface(marshal_state *buf, REFIID riid, LPUNKNOWN *pUnk) {
 131     IStream             *pStm;
 132     ULARGE_INTEGER      newpos;
 133     LARGE_INTEGER       seekto;
 134     ULONG               res;
 135     HRESULT             hres;
 136     DWORD               xsize;
 137
 138     TRACE("...%s...\n",debugstr_guid(riid));
 139
 140     *pUnk = NULL;
 141     hres = xbuf_get(buf,(LPBYTE)&xsize,sizeof(xsize));
 142     if (hres) {
 143         ERR("xbuf_get failed\n");
 144         return hres;
 145     }
 146
 147     if (xsize == 0) return S_OK;
 148
 149     hres = CreateStreamOnHGlobal(0,TRUE,&pStm);
 150     if (hres) {
 151         ERR("Stream create failed %x\n",hres);
 152         return hres;
 153     }
 154
 155     hres = IStream_Write(pStm,buf->base+buf->curoff,xsize,&res);
 156     if (hres) {
 157         ERR("stream write %x\n",hres);
 158         return hres;
 159     }
 160
 161     memset(&seekto,0,sizeof(seekto));
 162     hres = IStream_Seek(pStm,seekto,SEEK_SET,&newpos);
 163     if (hres) {
 164         ERR("Failed Seek %x\n",hres);
 165         return hres;
 166     }
 167
 168     hres = CoUnmarshalInterface(pStm,riid,(LPVOID*)pUnk);
 169     if (hres) {
 170         ERR("Unmarshalling interface %s failed with %x\n",debugstr_guid(riid),hres);
 171         return hres;
 172     }
 173
 174     IStream_Release(pStm);
 175     return xbuf_skip(buf,xsize);
 176 }
 177
 178 static HRESULT
 179 _marshal_interface(marshal_state *buf, REFIID riid, LPUNKNOWN pUnk) {
 180     LPBYTE              tempbuf = NULL;
 181     IStream             *pStm = NULL;
 182     STATSTG             ststg;
 183     ULARGE_INTEGER      newpos;
 184     LARGE_INTEGER       seekto;
 185     ULONG               res;
 186     DWORD               xsize;
 187     HRESULT             hres;
 188
 189     if (!pUnk) {
 190         /* this is valid, if for instance we serialize
 191          * a VT_DISPATCH with NULL ptr which apparently
 192          * can happen. S_OK to make sure we continue
 193          * serializing.
 194          */
 195         WARN("pUnk is NULL\n");
 196         xsize = 0;
 197         return xbuf_add(buf,(LPBYTE)&xsize,sizeof(xsize));
 198     }
 199
 200     hres = E_FAIL;
 201
 202     TRACE("...%s...\n",debugstr_guid(riid));
 203
 204     hres = CreateStreamOnHGlobal(0,TRUE,&pStm);
 205     if (hres) {
 206         ERR("Stream create failed %x\n",hres);
 207         goto fail;
 208     }
 209
 210     hres = CoMarshalInterface(pStm,riid,pUnk,0,NULL,0);
 211     if (hres) {
 212         ERR("Marshalling interface %s failed with %x\n", debugstr_guid(riid), hres);
 213         goto fail;
 214     }
 215
 216     hres = IStream_Stat(pStm,&ststg,0);
 217     if (hres) {
 218         ERR("Stream stat failed\n");
 219         goto fail;
 220     }
 221
 222     tempbuf = HeapAlloc(GetProcessHeap(), 0, ststg.cbSize.u.LowPart);
 223     memset(&seekto,0,sizeof(seekto));
 224     hres = IStream_Seek(pStm,seekto,SEEK_SET,&newpos);
 225     if (hres) {
 226         ERR("Failed Seek %x\n",hres);
 227         goto fail;
 228     }
 229
 230     hres = IStream_Read(pStm,tempbuf,ststg.cbSize.u.LowPart,&res);
 231     if (hres) {
 232         ERR("Failed Read %x\n",hres);
 233         goto fail;
 234     }
 235
 236     xsize = ststg.cbSize.u.LowPart;
 237     xbuf_add(buf,(LPBYTE)&xsize,sizeof(xsize));
 238     hres = xbuf_add(buf,tempbuf,ststg.cbSize.u.LowPart);
 239
 240     HeapFree(GetProcessHeap(),0,tempbuf);
 241     IStream_Release(pStm);
 242
 243     return hres;
 244
 245 fail:
 246     xsize = 0;
 247     xbuf_add(buf,(LPBYTE)&xsize,sizeof(xsize));
 248     if (pStm) IUnknown_Release(pStm);
 249     HeapFree(GetProcessHeap(), 0, tempbuf);
 250     return hres;
 251 }
 252
 253 /********************* OLE Proxy/Stub Factory ********************************/
 254 static HRESULT WINAPI
 255 PSFacBuf_QueryInterface(LPPSFACTORYBUFFER iface, REFIID iid, LPVOID *ppv) {
 256     if (IsEqualIID(iid,&IID_IPSFactoryBuffer)||IsEqualIID(iid,&IID_IUnknown)) {
 257         *ppv = (LPVOID)iface;
 258         /* No ref counting, static class */
 259         return S_OK;
 260     }
 261     FIXME("(%s) unknown IID?\n",debugstr_guid(iid));
 262     return E_NOINTERFACE;
 263 }
 264
 265 static ULONG WINAPI PSFacBuf_AddRef(LPPSFACTORYBUFFER iface) { return 2; }
 266 static ULONG WINAPI PSFacBuf_Release(LPPSFACTORYBUFFER iface) { return 1; }
 267
 268 static HRESULT
 269 _get_typeinfo_for_iid(REFIID riid, ITypeInfo**ti) {
 270     HRESULT     hres;
 271     HKEY        ikey;
 272     char        tlguid[200],typelibkey[300],interfacekey[300],ver[100];
 273     char        tlfn[260];
 274     OLECHAR     tlfnW[260];
 275     DWORD       tlguidlen, verlen, type;
 276     LONG        tlfnlen;
 277     ITypeLib    *tl;
 278
 279     sprintf( interfacekey, "Interface\\{%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}\\Typelib",
 280         riid->Data1, riid->Data2, riid->Data3,
 281         riid->Data4[0], riid->Data4[1], riid->Data4[2], riid->Data4[3],
 282         riid->Data4[4], riid->Data4[5], riid->Data4[6], riid->Data4[7]
 283     );
 284
 285     if (RegOpenKeyA(HKEY_CLASSES_ROOT,interfacekey,&ikey)) {
 286         ERR("No %s key found.\n",interfacekey);
 287         return E_FAIL;
 288     }
 289     type = (1<<REG_SZ);
 290     tlguidlen = sizeof(tlguid);
 291     if (RegQueryValueExA(ikey,NULL,NULL,&type,(LPBYTE)tlguid,&tlguidlen)) {
 292         ERR("Getting typelib guid failed.\n");
 293         RegCloseKey(ikey);
 294         return E_FAIL;
 295     }
 296     type = (1<<REG_SZ);
 297     verlen = sizeof(ver);
 298     if (RegQueryValueExA(ikey,"Version",NULL,&type,(LPBYTE)ver,&verlen)) {
 299         ERR("Could not get version value?\n");
 300         RegCloseKey(ikey);
 301         return E_FAIL;
 302     }
 303     RegCloseKey(ikey);
 304     sprintf(typelibkey,"Typelib\\%s\\%s\\0\\win32",tlguid,ver);
 305     tlfnlen = sizeof(tlfn);
 306     if (RegQueryValueA(HKEY_CLASSES_ROOT,typelibkey,tlfn,&tlfnlen)) {
 307         ERR("Could not get typelib fn?\n");
 308         return E_FAIL;
 309     }
 310     MultiByteToWideChar(CP_ACP, 0, tlfn, -1, tlfnW, sizeof(tlfnW) / sizeof(tlfnW[0]));
 311     hres = LoadTypeLib(tlfnW,&tl);
 312     if (hres) {
 313         ERR("Failed to load typelib for %s, but it should be there.\n",debugstr_guid(riid));
 314         return hres;
 315     }
 316     hres = ITypeLib_GetTypeInfoOfGuid(tl,riid,ti);
 317     if (hres) {
 318         ERR("typelib does not contain info for %s?\n",debugstr_guid(riid));
 319         ITypeLib_Release(tl);
 320         return hres;
 321     }
 322     ITypeLib_Release(tl);
 323     return hres;
 324 }
 325
 326 /* Determine nr of functions. Since we use the toplevel interface and all
 327  * inherited ones have lower numbers, we are ok to not to descent into
 328  * the inheritance tree I think.
 329  */
 330 static int _nroffuncs(ITypeInfo *tinfo) {
 331     int         n, i, j;
 332     const FUNCDESC *fdesc;
 333     HRESULT     hres;
 334     TYPEATTR *attr;
 335     ITypeInfo *tinfo2;
 336
 337     n=0;
 338     hres = ITypeInfo_GetTypeAttr(tinfo, &attr);
 339     if (hres) {
 340         ERR("GetTypeAttr failed with %x\n",hres);
 341         return hres;
 342     }
 343     /* look in inherited ifaces. */
 344     for (j=0;j<attr->cImplTypes;j++) {
 345         HREFTYPE href;
 346         hres = ITypeInfo_GetRefTypeOfImplType(tinfo, j, &href);
 347         if (hres) {
 348             ERR("Did not find a reftype for interface offset %d?\n",j);
 349             break;
 350         }
 351         hres = ITypeInfo_GetRefTypeInfo(tinfo, href, &tinfo2);
 352         if (hres) {
 353             ERR("Did not find a typeinfo for reftype %d?\n",href);
 354             continue;
 355         }
 356         n += _nroffuncs(tinfo2);
 357         ITypeInfo_Release(tinfo2);
 358     }
 359     i = 0;
 360     while (1) {
 361         hres = ITypeInfoImpl_GetInternalFuncDesc(tinfo,i,&fdesc);
 362         if (hres)
 363             return n;
 364         n++;
 365         i++;
 366     }
 367     /*NOTREACHED*/
 368 }
 369
 370 #ifdef __i386__
 371
 372 #include "pshpack1.h"
 373
 374 typedef struct _TMAsmProxy {
 375     BYTE        popleax;
 376     BYTE        pushlval;
 377     BYTE        nr;
 378     BYTE        pushleax;
 379     BYTE        lcall;
 380     DWORD       xcall;
 381     BYTE        lret;
 382     WORD        bytestopop;
 383 } TMAsmProxy;
 384
 385 #include "poppack.h"
 386
 387 #else /* __i386__ */
 388 # warning You need to implement stubless proxies for your architecture
 389 typedef struct _TMAsmProxy {
 390 } TMAsmProxy;
 391 #endif
 392
 393 typedef struct _TMProxyImpl {
 394     LPVOID                             *lpvtbl;
 395     const IRpcProxyBufferVtbl          *lpvtbl2;
 396     LONG                                ref;
 397
 398     TMAsmProxy                          *asmstubs;
 399     ITypeInfo*                          tinfo;
 400     IRpcChannelBuffer*                  chanbuf;
 401     IID                                 iid;
 402     CRITICAL_SECTION    crit;
 403     IUnknown                            *outerunknown;
 404     IDispatch                           *dispatch;
 405     IRpcProxyBuffer                     *dispatch_proxy;
 406 } TMProxyImpl;
 407
 408 static HRESULT WINAPI
 409 TMProxyImpl_QueryInterface(LPRPCPROXYBUFFER iface, REFIID riid, LPVOID *ppv)
 410 {
 411     TRACE("()\n");
 412     if (IsEqualIID(riid,&IID_IUnknown)||IsEqualIID(riid,&IID_IRpcProxyBuffer)) {
 413         *ppv = (LPVOID)iface;
 414         IRpcProxyBuffer_AddRef(iface);
 415         return S_OK;
 416     }
 417     FIXME("no interface for %s\n",debugstr_guid(riid));
 418     return E_NOINTERFACE;
 419 }
 420
 421 static ULONG WINAPI
 422 TMProxyImpl_AddRef(LPRPCPROXYBUFFER iface)
 423 {
 424     ICOM_THIS_MULTI(TMProxyImpl,lpvtbl2,iface);
 425     ULONG refCount = InterlockedIncrement(&This->ref);
 426
 427     TRACE("(%p)->(ref before=%u)\n",This, refCount - 1);
 428
 429     return refCount;
 430 }
 431
 432 static ULONG WINAPI
 433 TMProxyImpl_Release(LPRPCPROXYBUFFER iface)
 434 {
 435     ICOM_THIS_MULTI(TMProxyImpl,lpvtbl2,iface);
 436     ULONG refCount = InterlockedDecrement(&This->ref);
 437
 438     TRACE("(%p)->(ref before=%u)\n",This, refCount + 1);
 439
 440     if (!refCount)
 441     {
 442         if (This->dispatch_proxy) IRpcProxyBuffer_Release(This->dispatch_proxy);
 443         DeleteCriticalSection(&This->crit);
 444         if (This->chanbuf) IRpcChannelBuffer_Release(This->chanbuf);
 445         VirtualFree(This->asmstubs, 0, MEM_RELEASE);
 446         HeapFree(GetProcessHeap(), 0, This->lpvtbl);
 447         ITypeInfo_Release(This->tinfo);
 448         CoTaskMemFree(This);
 449     }
 450     return refCount;
 451 }
 452
 453 static HRESULT WINAPI
 454 TMProxyImpl_Connect(
 455     LPRPCPROXYBUFFER iface,IRpcChannelBuffer* pRpcChannelBuffer)
 456 {
 457     ICOM_THIS_MULTI(TMProxyImpl, lpvtbl2, iface);
 458
 459     TRACE("(%p)\n", pRpcChannelBuffer);
 460
 461     EnterCriticalSection(&This->crit);
 462
 463     IRpcChannelBuffer_AddRef(pRpcChannelBuffer);
 464     This->chanbuf = pRpcChannelBuffer;
 465
 466     LeaveCriticalSection(&This->crit);
 467
 468     if (This->dispatch_proxy)
 469     {
 470         IRpcChannelBuffer *pDelegateChannel;
 471         HRESULT hr = TMarshalDispatchChannel_Create(pRpcChannelBuffer, &This->iid, &pDelegateChannel);
 472         if (FAILED(hr))
 473             return hr;
 474         return IRpcProxyBuffer_Connect(This->dispatch_proxy, pDelegateChannel);
 475     }
 476
 477     return S_OK;
 478 }
 479
 480 static void WINAPI
 481 TMProxyImpl_Disconnect(LPRPCPROXYBUFFER iface)
 482 {
 483     ICOM_THIS_MULTI(TMProxyImpl, lpvtbl2, iface);
 484
 485     TRACE("()\n");
 486
 487     EnterCriticalSection(&This->crit);
 488
 489     IRpcChannelBuffer_Release(This->chanbuf);
 490     This->chanbuf = NULL;
 491
 492     LeaveCriticalSection(&This->crit);
 493
 494     if (This->dispatch_proxy)
 495         IRpcProxyBuffer_Disconnect(This->dispatch_proxy);
 496 }
 497
 498
 499 static const IRpcProxyBufferVtbl tmproxyvtable = {
 500     TMProxyImpl_QueryInterface,
 501     TMProxyImpl_AddRef,
 502     TMProxyImpl_Release,
 503     TMProxyImpl_Connect,
 504     TMProxyImpl_Disconnect
 505 };
 506
 507 /* how much space do we use on stack in DWORD steps. */
 508 int
 509 _argsize(DWORD vt) {
 510     switch (vt) {
 511     case VT_UI8:
 512         return 8/sizeof(DWORD);
 513     case VT_R8:
 514         return sizeof(double)/sizeof(DWORD);
 515     case VT_CY:
 516         return sizeof(CY)/sizeof(DWORD);
 517     case VT_DATE:
 518         return sizeof(DATE)/sizeof(DWORD);
 519     case VT_VARIANT:
 520         return (sizeof(VARIANT)+3)/sizeof(DWORD);
 521     default:
 522         return 1;
 523     }
 524 }
 525
 526 static int
 527 _xsize(TYPEDESC *td) {
 528     switch (td->vt) {
 529     case VT_DATE:
 530         return sizeof(DATE);
 531     case VT_VARIANT:
 532         return sizeof(VARIANT)+3;
 533     case VT_CARRAY: {
 534         int i, arrsize = 1;
 535         ARRAYDESC *adesc = td->u.lpadesc;
 536
 537         for (i=0;i<adesc->cDims;i++)
 538             arrsize *= adesc->rgbounds[i].cElements;
 539         return arrsize*_xsize(&adesc->tdescElem);
 540     }
 541     case VT_UI8:
 542     case VT_I8:
 543         return 8;
 544     case VT_UI2:
 545     case VT_I2:
 546         return 2;
 547     case VT_UI1:
 548     case VT_I1:
 549         return 1;
 550     default:
 551         return 4;
 552     }
 553 }
 554
 555 static HRESULT
 556 serialize_param(
 557     ITypeInfo           *tinfo,
 558     BOOL                writeit,
 559     BOOL                debugout,
 560     BOOL                dealloc,
 561     TYPEDESC            *tdesc,
 562     DWORD               *arg,
 563     marshal_state       *buf)
 564 {
 565     HRESULT hres = S_OK;
 566
 567     TRACE("(tdesc.vt %s)\n",debugstr_vt(tdesc->vt));
 568
 569     switch (tdesc->vt) {
 570     case VT_EMPTY: /* nothing. empty variant for instance */
 571         return S_OK;
 572     case VT_I8:
 573     case VT_UI8:
 574     case VT_CY:
 575         hres = S_OK;
 576         if (debugout) TRACE_(olerelay)("%x%x\n",arg[0],arg[1]);
 577         if (writeit)
 578             hres = xbuf_add(buf,(LPBYTE)arg,8);
 579         return hres;
 580     case VT_BOOL:
 581     case VT_ERROR:
 582     case VT_INT:
 583     case VT_UINT:
 584     case VT_I4:
 585     case VT_R4:
 586     case VT_UI4:
 587         hres = S_OK;
 588         if (debugout) TRACE_(olerelay)("%x\n",*arg);
 589         if (writeit)
 590             hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
 591         return hres;
 592     case VT_I2:
 593     case VT_UI2:
 594         hres = S_OK;
 595         if (debugout) TRACE_(olerelay)("%04x\n",*arg & 0xffff);
 596         if (writeit)
 597             hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
 598         return hres;
 599     case VT_I1:
 600     case VT_UI1:
 601         hres = S_OK;
 602         if (debugout) TRACE_(olerelay)("%02x\n",*arg & 0xff);
 603         if (writeit)
 604             hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
 605         return hres;
 606     case VT_I4|VT_BYREF:
 607         hres = S_OK;
 608         if (debugout) TRACE_(olerelay)("&0x%x\n",*arg);
 609         if (writeit)
 610             hres = xbuf_add(buf,(LPBYTE)(DWORD*)*arg,sizeof(DWORD));
 611         /* do not dealloc at this time */
 612         return hres;
 613     case VT_VARIANT: {
 614         TYPEDESC        tdesc2;
 615         VARIANT         *vt = (VARIANT*)arg;
 616         DWORD           vttype = V_VT(vt);
 617
 618         if (debugout) TRACE_(olerelay)("Vt(%s%s)(",debugstr_vt(vttype),debugstr_vf(vttype));
 619         tdesc2.vt = vttype;
 620         if (writeit) {
 621             hres = xbuf_add(buf,(LPBYTE)&vttype,sizeof(vttype));
 622             if (hres) return hres;
 623         }
 624         /* need to recurse since we need to free the stuff */
 625         hres = serialize_param(tinfo,writeit,debugout,dealloc,&tdesc2,(DWORD*)&(V_I4(vt)),buf);
 626         if (debugout) TRACE_(olerelay)(")");
 627         return hres;
 628     }
 629     case VT_BSTR|VT_BYREF: {
 630         if (debugout) TRACE_(olerelay)("[byref]'%s'", *(BSTR*)*arg ? relaystr(*((BSTR*)*arg)) : "<bstr NULL>");
 631         if (writeit) {
 632             /* ptr to ptr to magic widestring, basically */
 633             BSTR *bstr = (BSTR *) *arg;
 634             DWORD len;
 635             if (!*bstr) {
 636                 /* -1 means "null string" which is equivalent to empty string */
 637                 len = -1;
 638                 hres = xbuf_add(buf, (LPBYTE)&len,sizeof(DWORD));
 639                 if (hres) return hres;
 640             } else {
 641                 len = *((DWORD*)*bstr-1)/sizeof(WCHAR);
 642                 hres = xbuf_add(buf,(LPBYTE)&len,sizeof(DWORD));
 643                 if (hres) return hres;
 644                 hres = xbuf_add(buf,(LPBYTE)*bstr,len * sizeof(WCHAR));
 645                 if (hres) return hres;
 646             }
 647         }
 648
 649         if (dealloc && arg) {
 650             BSTR *str = *((BSTR **)arg);
 651             SysFreeString(*str);
 652         }
 653         return S_OK;
 654     }
 655
 656     case VT_BSTR: {
 657         if (debugout) {
 658             if (*arg)
 659                    TRACE_(olerelay)("%s",relaystr((WCHAR*)*arg));
 660             else
 661                     TRACE_(olerelay)("<bstr NULL>");
 662         }
 663         if (writeit) {
 664             BSTR bstr = (BSTR)*arg;
 665             DWORD len;
 666             if (!bstr) {
 667                 len = -1;
 668                 hres = xbuf_add(buf,(LPBYTE)&len,sizeof(DWORD));
 669                 if (hres) return hres;
 670             } else {
 671                 len = *((DWORD*)bstr-1)/sizeof(WCHAR);
 672                 hres = xbuf_add(buf,(LPBYTE)&len,sizeof(DWORD));
 673                 if (hres) return hres;
 674                 hres = xbuf_add(buf,(LPBYTE)bstr,len * sizeof(WCHAR));
 675                 if (hres) return hres;
 676             }
 677         }
 678
 679         if (dealloc && arg)
 680             SysFreeString((BSTR)*arg);
 681         return S_OK;
 682     }
 683     case VT_PTR: {
 684         DWORD cookie;
 685         BOOL        derefhere = TRUE;
 686
 687         if (tdesc->u.lptdesc->vt == VT_USERDEFINED) {
 688             ITypeInfo   *tinfo2;
 689             TYPEATTR    *tattr;
 690
 691             hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.lptdesc->u.hreftype,&tinfo2);
 692             if (hres) {
 693                 ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.lptdesc->u.hreftype);
 694                 return hres;
 695             }
 696             ITypeInfo_GetTypeAttr(tinfo2,&tattr);
 697             switch (tattr->typekind) {
 698             case TKIND_ENUM:    /* confirmed */
 699             case TKIND_RECORD:  /* FIXME: mostly untested */
 700                 derefhere=TRUE;
 701                 break;
 702             case TKIND_ALIAS:   /* FIXME: untested */
 703             case TKIND_DISPATCH:        /* will be done in VT_USERDEFINED case */
 704             case TKIND_INTERFACE:       /* will be done in VT_USERDEFINED case */
 705                 derefhere=FALSE;
 706                 break;
 707             default:
 708                 FIXME("unhandled switch cases tattr->typekind %d\n", tattr->typekind);
 709                 derefhere=FALSE;
 710                 break;
 711             }
 712             ITypeInfo_ReleaseTypeAttr(tinfo, tattr);
 713             ITypeInfo_Release(tinfo2);
 714         }
 715
 716         if (debugout) TRACE_(olerelay)("*");
 717         /* Write always, so the other side knows when it gets a NULL pointer.
 718          */
 719         cookie = *arg ? 0x42424242 : 0;
 720         hres = xbuf_add(buf,(LPBYTE)&cookie,sizeof(cookie));
 721         if (hres)
 722             return hres;
 723         if (!*arg) {
 724             if (debugout) TRACE_(olerelay)("NULL");
 725             return S_OK;
 726         }
 727         hres = serialize_param(tinfo,writeit,debugout,dealloc,tdesc->u.lptdesc,(DWORD*)*arg,buf);
 728         if (derefhere && dealloc) HeapFree(GetProcessHeap(),0,(LPVOID)*arg);
 729         return hres;
 730     }
 731     case VT_UNKNOWN:
 732         if (debugout) TRACE_(olerelay)("unk(0x%x)",*arg);
 733         if (writeit)
 734             hres = _marshal_interface(buf,&IID_IUnknown,(LPUNKNOWN)*arg);
 735         if (dealloc && *(IUnknown **)arg)
 736             IUnknown_Release((LPUNKNOWN)*arg);
 737         return hres;
 738     case VT_DISPATCH:
 739         if (debugout) TRACE_(olerelay)("idisp(0x%x)",*arg);
 740         if (writeit)
 741             hres = _marshal_interface(buf,&IID_IDispatch,(LPUNKNOWN)*arg);
 742         if (dealloc && *(IUnknown **)arg)
 743             IUnknown_Release((LPUNKNOWN)*arg);
 744         return hres;
 745     case VT_VOID:
 746         if (debugout) TRACE_(olerelay)("<void>");
 747         return S_OK;
 748     case VT_USERDEFINED: {
 749         ITypeInfo       *tinfo2;
 750         TYPEATTR        *tattr;
 751
 752         hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.hreftype,&tinfo2);
 753         if (hres) {
 754             ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.hreftype);
 755             return hres;
 756         }
 757         ITypeInfo_GetTypeAttr(tinfo2,&tattr);
 758         switch (tattr->typekind) {
 759         case TKIND_DISPATCH:
 760         case TKIND_INTERFACE:
 761             if (writeit)
 762                hres=_marshal_interface(buf,&(tattr->guid),(LPUNKNOWN)arg);
 763             if (dealloc)
 764                 IUnknown_Release((LPUNKNOWN)arg);
 765             break;
 766         case TKIND_RECORD: {
 767             int i;
 768             if (debugout) TRACE_(olerelay)("{");
 769             for (i=0;i<tattr->cVars;i++) {
 770                 VARDESC *vdesc;
 771                 ELEMDESC *elem2;
 772                 TYPEDESC *tdesc2;
 773
 774                 hres = ITypeInfo2_GetVarDesc(tinfo2, i, &vdesc);
 775                 if (hres) {
 776                     ERR("Could not get vardesc of %d\n",i);
 777                     return hres;
 778                 }
 779                 elem2 = &vdesc->elemdescVar;
 780                 tdesc2 = &elem2->tdesc;
 781                 hres = serialize_param(
 782                     tinfo2,
 783                     writeit,
 784                     debugout,
 785                     dealloc,
 786                     tdesc2,
 787                     (DWORD*)(((LPBYTE)arg)+vdesc->u.oInst),
 788                     buf
 789                 );
 790                 ITypeInfo_ReleaseVarDesc(tinfo2, vdesc);
 791                 if (hres!=S_OK)
 792                     return hres;
 793                 if (debugout && (i<(tattr->cVars-1)))
 794                     TRACE_(olerelay)(",");
 795             }
 796             if (debugout) TRACE_(olerelay)("}");
 797             break;
 798         }
 799         case TKIND_ALIAS:
 800             hres = serialize_param(tinfo2,writeit,debugout,dealloc,&tattr->tdescAlias,arg,buf);
 801             break;
 802         case TKIND_ENUM:
 803             hres = S_OK;
 804             if (debugout) TRACE_(olerelay)("%x",*arg);
 805             if (writeit)
 806                 hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
 807             break;
 808         default:
 809             FIXME("Unhandled typekind %d\n",tattr->typekind);
 810             hres = E_FAIL;
 811             break;
 812         }
 813         ITypeInfo_ReleaseTypeAttr(tinfo2, tattr);
 814         ITypeInfo_Release(tinfo2);
 815         return hres;
 816     }
 817     case VT_CARRAY: {
 818         ARRAYDESC *adesc = tdesc->u.lpadesc;
 819         int i, arrsize = 1;
 820
 821         if (debugout) TRACE_(olerelay)("carr");
 822         for (i=0;i<adesc->cDims;i++) {
 823             if (debugout) TRACE_(olerelay)("[%d]",adesc->rgbounds[i].cElements);
 824             arrsize *= adesc->rgbounds[i].cElements;
 825         }
 826         if (debugout) TRACE_(olerelay)("(vt %s)",debugstr_vt(adesc->tdescElem.vt));
 827         if (debugout) TRACE_(olerelay)("[");
 828         for (i=0;i<arrsize;i++) {
 829             hres = serialize_param(tinfo, writeit, debugout, dealloc, &adesc->tdescElem, (DWORD*)((LPBYTE)arg+i*_xsize(&adesc->tdescElem)), buf);
 830             if (hres)
 831                 return hres;
 832             if (debugout && (i<arrsize-1)) TRACE_(olerelay)(",");
 833         }
 834         if (debugout) TRACE_(olerelay)("]");
 835         return S_OK;
 836     }
 837     case VT_SAFEARRAY: {
 838         if (writeit)
 839         {
 840             ULONG flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
 841             ULONG size = LPSAFEARRAY_UserSize(&flags, buf->curoff, (LPSAFEARRAY *)arg);
 842             xbuf_resize(buf, size);
 843             LPSAFEARRAY_UserMarshal(&flags, buf->base + buf->curoff, (LPSAFEARRAY *)arg);
 844             buf->curoff = size;
 845         }
 846         return S_OK;
 847     }
 848     default:
 849         ERR("Unhandled marshal type %d.\n",tdesc->vt);
 850         return S_OK;
 851     }
 852 }
 853
 854 static HRESULT
 855 deserialize_param(
 856     ITypeInfo           *tinfo,
 857     BOOL                readit,
 858     BOOL                debugout,
 859     BOOL                alloc,
 860     TYPEDESC            *tdesc,
 861     DWORD               *arg,
 862     marshal_state       *buf)
 863 {
 864     HRESULT hres = S_OK;
 865
 866     TRACE("vt %s at %p\n",debugstr_vt(tdesc->vt),arg);
 867
 868     while (1) {
 869         switch (tdesc->vt) {
 870         case VT_EMPTY:
 871             if (debugout) TRACE_(olerelay)("<empty>\n");
 872             return S_OK;
 873         case VT_NULL:
 874             if (debugout) TRACE_(olerelay)("<null>\n");
 875             return S_OK;
 876         case VT_VARIANT: {
 877             VARIANT     *vt = (VARIANT*)arg;
 878
 879             if (readit) {
 880                 DWORD   vttype;
 881                 TYPEDESC        tdesc2;
 882                 hres = xbuf_get(buf,(LPBYTE)&vttype,sizeof(vttype));
 883                 if (hres) {
 884                     FIXME("vt type not read?\n");
 885                     return hres;
 886                 }
 887                 memset(&tdesc2,0,sizeof(tdesc2));
 888                 tdesc2.vt = vttype;
 889                 V_VT(vt)  = vttype;
 890                 if (debugout) TRACE_(olerelay)("Vt(%s%s)(",debugstr_vt(vttype),debugstr_vf(vttype));
 891                 hres = deserialize_param(tinfo, readit, debugout, alloc, &tdesc2, (DWORD*)&(V_I4(vt)), buf);
 892                 TRACE_(olerelay)(")");
 893                 return hres;
 894             } else {
 895                 VariantInit(vt);
 896                 return S_OK;
 897             }
 898         }
 899         case VT_I8:
 900         case VT_UI8:
 901         case VT_CY:
 902             if (readit) {
 903                 hres = xbuf_get(buf,(LPBYTE)arg,8);
 904                 if (hres) ERR("Failed to read integer 8 byte\n");
 905             }
 906             if (debugout) TRACE_(olerelay)("%x%x",arg[0],arg[1]);
 907             return hres;
 908         case VT_ERROR:
 909         case VT_BOOL:
 910         case VT_I4:
 911         case VT_INT:
 912         case VT_UINT:
 913         case VT_R4:
 914         case VT_UI4:
 915             if (readit) {
 916                 hres = xbuf_get(buf,(LPBYTE)arg,sizeof(DWORD));
 917                 if (hres) ERR("Failed to read integer 4 byte\n");
 918             }
 919             if (debugout) TRACE_(olerelay)("%x",*arg);
 920             return hres;
 921         case VT_I2:
 922         case VT_UI2:
 923             if (readit) {
 924                 DWORD x;
 925                 hres = xbuf_get(buf,(LPBYTE)&x,sizeof(DWORD));
 926                 if (hres) ERR("Failed to read integer 4 byte\n");
 927                 memcpy(arg,&x,2);
 928             }
 929             if (debugout) TRACE_(olerelay)("%04x",*arg & 0xffff);
 930             return hres;
 931         case VT_I1:
 932         case VT_UI1:
 933             if (readit) {
 934                 DWORD x;
 935                 hres = xbuf_get(buf,(LPBYTE)&x,sizeof(DWORD));
 936                 if (hres) ERR("Failed to read integer 4 byte\n");
 937                 memcpy(arg,&x,1);
 938             }
 939             if (debugout) TRACE_(olerelay)("%02x",*arg & 0xff);
 940             return hres;
 941         case VT_I4|VT_BYREF:
 942             hres = S_OK;
 943             if (alloc)
 944                 *arg = (DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(DWORD));
 945             if (readit) {
 946                 hres = xbuf_get(buf,(LPBYTE)*arg,sizeof(DWORD));
 947                 if (hres) ERR("Failed to read integer 4 byte\n");
 948             }
 949             if (debugout) TRACE_(olerelay)("&0x%x",*(DWORD*)*arg);
 950             return hres;
 951         case VT_BSTR|VT_BYREF: {
 952             BSTR **bstr = (BSTR **)arg;
 953             WCHAR       *str;
 954             DWORD       len;
 955
 956             if (readit) {
 957                 hres = xbuf_get(buf,(LPBYTE)&len,sizeof(DWORD));
 958                 if (hres) {
 959                     ERR("failed to read bstr klen\n");
 960                     return hres;
 961                 }
 962                 if (len == -1) {
 963                     *bstr = CoTaskMemAlloc(sizeof(BSTR *));
 964                     **bstr = NULL;
 965                     if (debugout) TRACE_(olerelay)("<bstr NULL>");
 966                 } else {
 967                     str  = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,(len+1)*sizeof(WCHAR));
 968                     hres = xbuf_get(buf,(LPBYTE)str,len*sizeof(WCHAR));
 969                     if (hres) {
 970                         ERR("Failed to read BSTR.\n");
 971                         return hres;
 972                     }
 973                     *bstr = CoTaskMemAlloc(sizeof(BSTR *));
 974                     **bstr = SysAllocStringLen(str,len);
 975                     if (debugout) TRACE_(olerelay)("%s",relaystr(str));
 976                     HeapFree(GetProcessHeap(),0,str);
 977                 }
 978             } else {
 979                 *bstr = NULL;
 980             }
 981             return S_OK;
 982         }
 983         case VT_BSTR: {
 984             WCHAR       *str;
 985             DWORD       len;
 986
 987             if (readit) {
 988                 hres = xbuf_get(buf,(LPBYTE)&len,sizeof(DWORD));
 989                 if (hres) {
 990                     ERR("failed to read bstr klen\n");
 991                     return hres;
 992                 }
 993                 if (len == -1) {
 994                     *arg = 0;
 995                     if (debugout) TRACE_(olerelay)("<bstr NULL>");
 996                 } else {
 997                     str  = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,(len+1)*sizeof(WCHAR));
 998                     hres = xbuf_get(buf,(LPBYTE)str,len*sizeof(WCHAR));
 999                     if (hres) {
1000                         ERR("Failed to read BSTR.\n");
1001                         return hres;
1002                     }
1003                     *arg = (DWORD)SysAllocStringLen(str,len);
1004                     if (debugout) TRACE_(olerelay)("%s",relaystr(str));
1005                     HeapFree(GetProcessHeap(),0,str);
1006                 }
1007             } else {
1008                 *arg = 0;
1009             }
1010             return S_OK;
1011         }
1012         case VT_PTR: {
1013             DWORD       cookie;
1014             BOOL        derefhere = TRUE;
1015
1016             if (tdesc->u.lptdesc->vt == VT_USERDEFINED) {
1017                 ITypeInfo       *tinfo2;
1018                 TYPEATTR        *tattr;
1019
1020                 hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.lptdesc->u.hreftype,&tinfo2);
1021                 if (hres) {
1022                     ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.lptdesc->u.hreftype);
1023                     return hres;
1024                 }
1025                 ITypeInfo_GetTypeAttr(tinfo2,&tattr);
1026                 switch (tattr->typekind) {
1027                 case TKIND_ENUM:        /* confirmed */
1028                 case TKIND_RECORD:      /* FIXME: mostly untested */
1029                     derefhere=TRUE;
1030                     break;
1031                 case TKIND_ALIAS:       /* FIXME: untested */
1032                 case TKIND_DISPATCH:    /* will be done in VT_USERDEFINED case */
1033                 case TKIND_INTERFACE:   /* will be done in VT_USERDEFINED case */
1034                     derefhere=FALSE;
1035                     break;
1036                 default:
1037                     FIXME("unhandled switch cases tattr->typekind %d\n", tattr->typekind);
1038                     derefhere=FALSE;
1039                     break;
1040                 }
1041                 ITypeInfo_ReleaseTypeAttr(tinfo2, tattr);
1042                 ITypeInfo_Release(tinfo2);
1043             }
1044             /* read it in all cases, we need to know if we have
1045              * NULL pointer or not.
1046              */
1047             hres = xbuf_get(buf,(LPBYTE)&cookie,sizeof(cookie));
1048             if (hres) {
1049                 ERR("Failed to load pointer cookie.\n");
1050                 return hres;
1051             }
1052             if (cookie != 0x42424242) {
1053                 /* we read a NULL ptr from the remote side */
1054                 if (debugout) TRACE_(olerelay)("NULL");
1055                 *arg = 0;
1056                 return S_OK;
1057             }
1058             if (debugout) TRACE_(olerelay)("*");
1059             if (alloc) {
1060                 /* Allocate space for the referenced struct */
1061                 if (derefhere)
1062                     *arg=(DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,_xsize(tdesc->u.lptdesc));
1063             }
1064             if (derefhere)
1065                 return deserialize_param(tinfo, readit, debugout, alloc, tdesc->u.lptdesc, (LPDWORD)*arg, buf);
1066             else
1067                 return deserialize_param(tinfo, readit, debugout, alloc, tdesc->u.lptdesc, arg, buf);
1068         }
1069         case VT_UNKNOWN:
1070             /* FIXME: UNKNOWN is unknown ..., but allocate 4 byte for it */
1071             if (alloc)
1072                 *arg=(DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(DWORD));
1073             hres = S_OK;
1074             if (readit)
1075                 hres = _unmarshal_interface(buf,&IID_IUnknown,(LPUNKNOWN*)arg);
1076             if (debugout)
1077                 TRACE_(olerelay)("unk(%p)",arg);
1078             return hres;
1079         case VT_DISPATCH:
1080             hres = S_OK;
1081             if (readit)
1082                 hres = _unmarshal_interface(buf,&IID_IDispatch,(LPUNKNOWN*)arg);
1083             if (debugout)
1084                 TRACE_(olerelay)("idisp(%p)",arg);
1085             return hres;
1086         case VT_VOID:
1087             if (debugout) TRACE_(olerelay)("<void>");
1088             return S_OK;
1089         case VT_USERDEFINED: {
1090             ITypeInfo   *tinfo2;
1091             TYPEATTR    *tattr;
1092
1093             hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.hreftype,&tinfo2);
1094             if (hres) {
1095                 ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.hreftype);
1096                 return hres;
1097             }
1098             hres = ITypeInfo_GetTypeAttr(tinfo2,&tattr);
1099             if (hres) {
1100                 ERR("Could not get typeattr in VT_USERDEFINED.\n");
1101             } else {
1102                 switch (tattr->typekind) {
1103                 case TKIND_DISPATCH:
1104                 case TKIND_INTERFACE:
1105                     if (readit)
1106                         hres = _unmarshal_interface(buf,&(tattr->guid),(LPUNKNOWN*)arg);
1107                     break;
1108                 case TKIND_RECORD: {
1109                     int i;
1110
1111                     if (alloc)
1112                         *arg = (DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,tattr->cbSizeInstance);
1113
1114                     if (debugout) TRACE_(olerelay)("{");
1115                     for (i=0;i<tattr->cVars;i++) {
1116                         VARDESC *vdesc;
1117
1118                         hres = ITypeInfo2_GetVarDesc(tinfo2, i, &vdesc);
1119                         if (hres) {
1120                             ERR("Could not get vardesc of %d\n",i);
1121                             ITypeInfo_ReleaseTypeAttr(tinfo2, tattr);
1122                             ITypeInfo_Release(tinfo2);
1123                             return hres;
1124                         }
1125                         hres = deserialize_param(
1126                             tinfo2,
1127                             readit,
1128                             debugout,
1129                             alloc,
1130                             &vdesc->elemdescVar.tdesc,
1131                             (DWORD*)(((LPBYTE)*arg)+vdesc->u.oInst),
1132                             buf
1133                         );
1134                         ITypeInfo2_ReleaseVarDesc(tinfo2, vdesc);
1135                         if (debugout && (i<tattr->cVars-1)) TRACE_(olerelay)(",");
1136                     }
1137                     if (debugout) TRACE_(olerelay)("}");
1138                     break;
1139                 }
1140                 case TKIND_ALIAS:
1141                     hres = deserialize_param(tinfo2,readit,debugout,alloc,&tattr->tdescAlias,arg,buf);
1142                     break;
1143                 case TKIND_ENUM:
1144                     if (readit) {
1145                         hres = xbuf_get(buf,(LPBYTE)arg,sizeof(DWORD));
1146                         if (hres) ERR("Failed to read enum (4 byte)\n");
1147                     }
1148                     if (debugout) TRACE_(olerelay)("%x",*arg);
1149                     break;
1150                 default:
1151                     ERR("Unhandled typekind %d\n",tattr->typekind);
1152                     hres = E_FAIL;
1153                     break;
1154                 }
1155                 ITypeInfo_ReleaseTypeAttr(tinfo2, tattr);
1156             }
1157             if (hres)
1158                 ERR("failed to stuballoc in TKIND_RECORD.\n");
1159             ITypeInfo_Release(tinfo2);
1160             return hres;
1161         }
1162         case VT_CARRAY: {
1163             /* arg is pointing to the start of the array. */
1164             ARRAYDESC *adesc = tdesc->u.lpadesc;
1165             int         arrsize,i;
1166             arrsize = 1;
1167             if (adesc->cDims > 1) FIXME("cDims > 1 in VT_CARRAY. Does it work?\n");
1168             for (i=0;i<adesc->cDims;i++)
1169                 arrsize *= adesc->rgbounds[i].cElements;
1170             for (i=0;i<arrsize;i++)
1171                 deserialize_param(
1172                     tinfo,
1173                     readit,
1174                     debugout,
1175                     alloc,
1176                     &adesc->tdescElem,
1177                     (DWORD*)((LPBYTE)(arg)+i*_xsize(&adesc->tdescElem)),
1178                     buf
1179                 );
1180             return S_OK;
1181         }
1182     case VT_SAFEARRAY: {
1183             if (readit)
1184             {
1185                 ULONG flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
1186                 unsigned char *buffer;
1187                 buffer = LPSAFEARRAY_UserUnmarshal(&flags, buf->base + buf->curoff, (LPSAFEARRAY *)arg);
1188                 buf->curoff = buffer - buf->base;
1189             }
1190             return S_OK;
1191         }
1192         default:
1193             ERR("No handler for VT type %d!\n",tdesc->vt);
1194             return S_OK;
1195         }
1196     }
1197 }
1198
1199 /* Searches function, also in inherited interfaces */
1200 static HRESULT
1201 _get_funcdesc(
1202     ITypeInfo *tinfo, int iMethod, ITypeInfo **tactual, const FUNCDESC **fdesc, BSTR *iname, BSTR *fname)
1203 {
1204     int i = 0, j = 0;
1205     HRESULT hres;
1206
1207     if (fname) *fname = NULL;
1208     if (iname) *iname = NULL;
1209
1210     while (1) {
1211         hres = ITypeInfoImpl_GetInternalFuncDesc(tinfo, i, fdesc);
1212
1213         if (hres) {
1214             ITypeInfo   *tinfo2;
1215             HREFTYPE    href;
1216             TYPEATTR    *attr;
1217
1218             hres = ITypeInfo_GetTypeAttr(tinfo, &attr);
1219             if (hres) {
1220                 ERR("GetTypeAttr failed with %x\n",hres);
1221                 return hres;
1222             }
1223             /* Not found, so look in inherited ifaces. */
1224             for (j=0;j<attr->cImplTypes;j++) {
1225                 hres = ITypeInfo_GetRefTypeOfImplType(tinfo, j, &href);
1226                 if (hres) {
1227                     ERR("Did not find a reftype for interface offset %d?\n",j);
1228                     break;
1229                 }
1230                 hres = ITypeInfo_GetRefTypeInfo(tinfo, href, &tinfo2);
1231                 if (hres) {
1232                     ERR("Did not find a typeinfo for reftype %d?\n",href);
1233                     continue;
1234                 }
1235                 hres = _get_funcdesc(tinfo2,iMethod,tactual,fdesc,iname,fname);
1236                 ITypeInfo_Release(tinfo2);
1237                 if (!hres) {
1238                     ITypeInfo_ReleaseTypeAttr(tinfo, attr);
1239                     return S_OK;
1240                 }
1241             }
1242             ITypeInfo_ReleaseTypeAttr(tinfo, attr);
1243             return hres;
1244         }
1245         if (((*fdesc)->oVft/4) == iMethod) {
1246             if (fname)
1247                 ITypeInfo_GetDocumentation(tinfo,(*fdesc)->memid,fname,NULL,NULL,NULL);
1248             if (iname)
1249                 ITypeInfo_GetDocumentation(tinfo,-1,iname,NULL,NULL,NULL);
1250             *tactual = tinfo;
1251             ITypeInfo_AddRef(*tactual);
1252             return S_OK;
1253         }
1254         i++;
1255     }
1256 }
1257
1258 static inline BOOL is_in_elem(const ELEMDESC *elem)
1259 {
1260     return (elem->u.paramdesc.wParamFlags & PARAMFLAG_FIN || !elem->u.paramdesc.wParamFlags);
1261 }
1262
1263 static inline BOOL is_out_elem(const ELEMDESC *elem)
1264 {
1265     return (elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT || !elem->u.paramdesc.wParamFlags);
1266 }
1267
1268 static DWORD
1269 xCall(LPVOID retptr, int method, TMProxyImpl *tpinfo /*, args */)
1270 {
1271     DWORD               *args = ((DWORD*)&tpinfo)+1, *xargs;
1272     const FUNCDESC      *fdesc;
1273     HRESULT             hres;
1274     int                 i, relaydeb = TRACE_ON(olerelay);
1275     marshal_state       buf;
1276     RPCOLEMESSAGE       msg;
1277     ULONG               status;
1278     BSTR                fname,iname;
1279     BSTR                names[10];
1280     UINT                nrofnames;
1281     DWORD               remoteresult = 0;
1282     ITypeInfo           *tinfo;
1283     IRpcChannelBuffer *chanbuf;
1284
1285     EnterCriticalSection(&tpinfo->crit);
1286
1287     hres = _get_funcdesc(tpinfo->tinfo,method,&tinfo,&fdesc,&iname,&fname);
1288     if (hres) {
1289         ERR("Did not find typeinfo/funcdesc entry for method %d!\n",method);
1290         ITypeInfo_Release(tinfo);
1291         LeaveCriticalSection(&tpinfo->crit);
1292         return E_FAIL;
1293     }
1294
1295     if (!tpinfo->chanbuf)
1296     {
1297         WARN("Tried to use disconnected proxy\n");
1298         ITypeInfo_Release(tinfo);
1299         LeaveCriticalSection(&tpinfo->crit);
1300         return RPC_E_DISCONNECTED;
1301     }
1302     chanbuf = tpinfo->chanbuf;
1303     IRpcChannelBuffer_AddRef(chanbuf);
1304
1305     LeaveCriticalSection(&tpinfo->crit);
1306
1307     if (relaydeb) {
1308        TRACE_(olerelay)("->");
1309         if (iname)
1310             TRACE_(olerelay)("%s:",relaystr(iname));
1311         if (fname)
1312             TRACE_(olerelay)("%s(%d)",relaystr(fname),method);
1313         else
1314             TRACE_(olerelay)("%d",method);
1315         TRACE_(olerelay)("(");
1316     }
1317
1318     if (iname) SysFreeString(iname);
1319     if (fname) SysFreeString(fname);
1320
1321     memset(&buf,0,sizeof(buf));
1322
1323     /* normal typelib driven serializing */
1324
1325     /* Need them for hack below */
1326     memset(names,0,sizeof(names));
1327     if (ITypeInfo_GetNames(tinfo,fdesc->memid,names,sizeof(names)/sizeof(names[0]),&nrofnames))
1328         nrofnames = 0;
1329     if (nrofnames > sizeof(names)/sizeof(names[0]))
1330         ERR("Need more names!\n");
1331
1332     xargs = args;
1333     for (i=0;i<fdesc->cParams;i++) {
1334         ELEMDESC        *elem = fdesc->lprgelemdescParam+i;
1335         if (relaydeb) {
1336             if (i) TRACE_(olerelay)(",");
1337             if (i+1<nrofnames && names[i+1])
1338                 TRACE_(olerelay)("%s=",relaystr(names[i+1]));
1339         }
1340         /* No need to marshal other data than FIN and any VT_PTR. */
1341         if (!is_in_elem(elem) && (elem->tdesc.vt != VT_PTR)) {
1342             xargs+=_argsize(elem->tdesc.vt);
1343             if (relaydeb) TRACE_(olerelay)("[out]");
1344             continue;
1345         }
1346         hres = serialize_param(
1347             tinfo,
1348             is_in_elem(elem),
1349             relaydeb,
1350             FALSE,
1351             &elem->tdesc,
1352             xargs,
1353             &buf
1354         );
1355
1356         if (hres) {
1357             ERR("Failed to serialize param, hres %x\n",hres);
1358             break;
1359         }
1360         xargs+=_argsize(elem->tdesc.vt);
1361     }
1362     if (relaydeb) TRACE_(olerelay)(")");
1363
1364     memset(&msg,0,sizeof(msg));
1365     msg.cbBuffer = buf.curoff;
1366     msg.iMethod  = method;
1367     hres = IRpcChannelBuffer_GetBuffer(chanbuf,&msg,&(tpinfo->iid));
1368     if (hres) {
1369         ERR("RpcChannelBuffer GetBuffer failed, %x\n",hres);
1370         goto exit;
1371     }
1372     memcpy(msg.Buffer,buf.base,buf.curoff);
1373     if (relaydeb) TRACE_(olerelay)("\n");
1374     hres = IRpcChannelBuffer_SendReceive(chanbuf,&msg,&status);
1375     if (hres) {
1376         ERR("RpcChannelBuffer SendReceive failed, %x\n",hres);
1377         goto exit;
1378     }
1379
1380     if (relaydeb) TRACE_(olerelay)(" status = %08x (",status);
1381     if (buf.base)
1382         buf.base = HeapReAlloc(GetProcessHeap(),0,buf.base,msg.cbBuffer);
1383     else
1384         buf.base = HeapAlloc(GetProcessHeap(),0,msg.cbBuffer);
1385     buf.size = msg.cbBuffer;
1386     memcpy(buf.base,msg.Buffer,buf.size);
1387     buf.curoff = 0;
1388
1389     /* generic deserializer using typelib description */
1390     xargs = args;
1391     status = S_OK;
1392     for (i=0;i<fdesc->cParams;i++) {
1393         ELEMDESC        *elem = fdesc->lprgelemdescParam+i;
1394
1395         if (relaydeb) {
1396             if (i) TRACE_(olerelay)(",");
1397             if (i+1<nrofnames && names[i+1]) TRACE_(olerelay)("%s=",relaystr(names[i+1]));
1398         }
1399         /* No need to marshal other data than FOUT and any VT_PTR */
1400         if (!is_out_elem(elem) && (elem->tdesc.vt != VT_PTR)) {
1401             xargs += _argsize(elem->tdesc.vt);
1402             if (relaydeb) TRACE_(olerelay)("[in]");
1403             continue;
1404         }
1405         hres = deserialize_param(
1406             tinfo,
1407             is_out_elem(elem),
1408             relaydeb,
1409             FALSE,
1410             &(elem->tdesc),
1411             xargs,
1412             &buf
1413         );
1414         if (hres) {
1415             ERR("Failed to unmarshall param, hres %x\n",hres);
1416             status = hres;
1417             break;
1418         }
1419         xargs += _argsize(elem->tdesc.vt);
1420     }
1421
1422     hres = xbuf_get(&buf, (LPBYTE)&remoteresult, sizeof(DWORD));
1423     if (hres != S_OK)
1424         goto exit;
1425     if (relaydeb) TRACE_(olerelay)(") = %08x\n", remoteresult);
1426
1427     hres = remoteresult;
1428
1429 exit:
1430     for (i = 0; i < nrofnames; i++)
1431         SysFreeString(names[i]);
1432     HeapFree(GetProcessHeap(),0,buf.base);
1433     IRpcChannelBuffer_Release(chanbuf);
1434     ITypeInfo_Release(tinfo);
1435     TRACE("-- 0x%08x\n", hres);
1436     return hres;
1437 }
1438
1439 static HRESULT WINAPI ProxyIUnknown_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
1440 {
1441     TMProxyImpl *proxy = (TMProxyImpl *)iface;
1442
1443     TRACE("(%s, %p)\n", debugstr_guid(riid), ppv);
1444
1445     if (proxy->outerunknown)
1446         return IUnknown_QueryInterface(proxy->outerunknown, riid, ppv);
1447
1448     FIXME("No interface\n");
1449     return E_NOINTERFACE;
1450 }
1451
1452 static ULONG WINAPI ProxyIUnknown_AddRef(IUnknown *iface)
1453 {
1454     TMProxyImpl *proxy = (TMProxyImpl *)iface;
1455
1456     TRACE("\n");
1457
1458     if (proxy->outerunknown)
1459         return IUnknown_AddRef(proxy->outerunknown);
1460
1461     return 2; /* FIXME */
1462 }
1463
1464 static ULONG WINAPI ProxyIUnknown_Release(IUnknown *iface)
1465 {
1466     TMProxyImpl *proxy = (TMProxyImpl *)iface;
1467
1468     TRACE("\n");
1469
1470     if (proxy->outerunknown)
1471         return IUnknown_Release(proxy->outerunknown);
1472
1473     return 1; /* FIXME */
1474 }
1475
1476 static HRESULT WINAPI ProxyIDispatch_GetTypeInfoCount(LPDISPATCH iface, UINT * pctinfo)
1477 {
1478     TMProxyImpl *This = (TMProxyImpl *)iface;
1479
1480     TRACE("(%p)\n", pctinfo);
1481
1482     return IDispatch_GetTypeInfoCount(This->dispatch, pctinfo);
1483 }
1484
1485 static HRESULT WINAPI ProxyIDispatch_GetTypeInfo(LPDISPATCH iface, UINT iTInfo, LCID lcid, ITypeInfo** ppTInfo)
1486 {
1487     TMProxyImpl *This = (TMProxyImpl *)iface;
1488
1489     TRACE("(%d, %x, %p)\n", iTInfo, lcid, ppTInfo);
1490
1491     return IDispatch_GetTypeInfo(This->dispatch, iTInfo, lcid, ppTInfo);
1492 }
1493
1494 static HRESULT WINAPI ProxyIDispatch_GetIDsOfNames(LPDISPATCH iface, REFIID riid, LPOLESTR * rgszNames, UINT cNames, LCID lcid, DISPID * rgDispId)
1495 {
1496     TMProxyImpl *This = (TMProxyImpl *)iface;
1497
1498     TRACE("(%s, %p, %d, 0x%x, %p)\n", debugstr_guid(riid), rgszNames, cNames, lcid, rgDispId);
1499
1500     return IDispatch_GetIDsOfNames(This->dispatch, riid, rgszNames,
1501                                    cNames, lcid, rgDispId);
1502 }
1503
1504 static HRESULT WINAPI ProxyIDispatch_Invoke(LPDISPATCH iface, DISPID dispIdMember, REFIID riid, LCID lcid,
1505                                             WORD wFlags, DISPPARAMS * pDispParams, VARIANT * pVarResult,
1506                                             EXCEPINFO * pExcepInfo, UINT * puArgErr)
1507 {
1508     TMProxyImpl *This = (TMProxyImpl *)iface;
1509
1510     TRACE("(%d, %s, 0x%x, 0x%x, %p, %p, %p, %p)\n", dispIdMember,
1511           debugstr_guid(riid), lcid, wFlags, pDispParams, pVarResult,
1512           pExcepInfo, puArgErr);
1513
1514     return IDispatch_Invoke(This->dispatch, dispIdMember, riid, lcid,
1515                             wFlags, pDispParams, pVarResult, pExcepInfo,
1516                             puArgErr);
1517 }
1518
1519 typedef struct
1520 {
1521     const IRpcChannelBufferVtbl *lpVtbl;
1522     LONG                  refs;
1523     /* the IDispatch-derived interface we are handling */
1524         IID                   tmarshal_iid;
1525     IRpcChannelBuffer    *pDelegateChannel;
1526 } TMarshalDispatchChannel;
1527
1528 static HRESULT WINAPI TMarshalDispatchChannel_QueryInterface(LPRPCCHANNELBUFFER iface, REFIID riid, LPVOID *ppv)
1529 {
1530     *ppv = NULL;
1531     if (IsEqualIID(riid,&IID_IRpcChannelBuffer) || IsEqualIID(riid,&IID_IUnknown))
1532     {
1533         *ppv = (LPVOID)iface;
1534         IUnknown_AddRef(iface);
1535         return S_OK;
1536     }
1537     return E_NOINTERFACE;
1538 }
1539
1540 static ULONG WINAPI TMarshalDispatchChannel_AddRef(LPRPCCHANNELBUFFER iface)
1541 {
1542     TMarshalDispatchChannel *This = (TMarshalDispatchChannel *)iface;
1543     return InterlockedIncrement(&This->refs);
1544 }
1545
1546 static ULONG WINAPI TMarshalDispatchChannel_Release(LPRPCCHANNELBUFFER iface)
1547 {
1548     TMarshalDispatchChannel *This = (TMarshalDispatchChannel *)iface;
1549     ULONG ref;
1550
1551     ref = InterlockedDecrement(&This->refs);
1552     if (ref)
1553         return ref;
1554
1555         IRpcChannelBuffer_Release(This->pDelegateChannel);
1556     HeapFree(GetProcessHeap(), 0, This);
1557     return 0;
1558 }
1559
1560 static HRESULT WINAPI TMarshalDispatchChannel_GetBuffer(LPRPCCHANNELBUFFER iface, RPCOLEMESSAGE* olemsg, REFIID riid)
1561 {
1562     TMarshalDispatchChannel *This = (TMarshalDispatchChannel *)iface;
1563     TRACE("(%p, %s)\n", olemsg, debugstr_guid(riid));
1564     /* Note: we are pretending to invoke a method on the interface identified
1565      * by tmarshal_iid so that we can re-use the IDispatch proxy/stub code
1566      * without the RPC runtime getting confused by not exporting an IDispatch interface */
1567     return IRpcChannelBuffer_GetBuffer(This->pDelegateChannel, olemsg, &This->tmarshal_iid);
1568 }
1569
1570 static HRESULT WINAPI TMarshalDispatchChannel_SendReceive(LPRPCCHANNELBUFFER iface, RPCOLEMESSAGE *olemsg, ULONG *pstatus)
1571 {
1572     TMarshalDispatchChannel *This = (TMarshalDispatchChannel *)iface;
1573     TRACE("(%p, %p)\n", olemsg, pstatus);
1574     return IRpcChannelBuffer_SendReceive(This->pDelegateChannel, olemsg, pstatus);
1575 }
1576
1577 static HRESULT WINAPI TMarshalDispatchChannel_FreeBuffer(LPRPCCHANNELBUFFER iface, RPCOLEMESSAGE* olemsg)
1578 {
1579     TMarshalDispatchChannel *This = (TMarshalDispatchChannel *)iface;
1580     TRACE("(%p)\n", olemsg);
1581     return IRpcChannelBuffer_FreeBuffer(This->pDelegateChannel, olemsg);
1582 }
1583
1584 static HRESULT WINAPI TMarshalDispatchChannel_GetDestCtx(LPRPCCHANNELBUFFER iface, DWORD* pdwDestContext, void** ppvDestContext)
1585 {
1586     TMarshalDispatchChannel *This = (TMarshalDispatchChannel *)iface;
1587     TRACE("(%p,%p)\n", pdwDestContext, ppvDestContext);
1588     return IRpcChannelBuffer_GetDestCtx(This->pDelegateChannel, pdwDestContext, ppvDestContext);
1589 }
1590
1591 static HRESULT WINAPI TMarshalDispatchChannel_IsConnected(LPRPCCHANNELBUFFER iface)
1592 {
1593     TMarshalDispatchChannel *This = (TMarshalDispatchChannel *)iface;
1594     TRACE("()\n");
1595     return IRpcChannelBuffer_IsConnected(This->pDelegateChannel);
1596 }
1597
1598 static const IRpcChannelBufferVtbl TMarshalDispatchChannelVtbl =
1599 {
1600     TMarshalDispatchChannel_QueryInterface,
1601     TMarshalDispatchChannel_AddRef,
1602     TMarshalDispatchChannel_Release,
1603     TMarshalDispatchChannel_GetBuffer,
1604     TMarshalDispatchChannel_SendReceive,
1605     TMarshalDispatchChannel_FreeBuffer,
1606     TMarshalDispatchChannel_GetDestCtx,
1607     TMarshalDispatchChannel_IsConnected
1608 };
1609
1610 static HRESULT TMarshalDispatchChannel_Create(
1611     IRpcChannelBuffer *pDelegateChannel, REFIID tmarshal_riid,
1612     IRpcChannelBuffer **ppChannel)
1613 {
1614     TMarshalDispatchChannel *This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
1615     if (!This)
1616         return E_OUTOFMEMORY;
1617
1618     This->lpVtbl = &TMarshalDispatchChannelVtbl;
1619     This->refs = 1;
1620     IRpcChannelBuffer_AddRef(pDelegateChannel);
1621     This->pDelegateChannel = pDelegateChannel;
1622     This->tmarshal_iid = *tmarshal_riid;
1623
1624     *ppChannel = (IRpcChannelBuffer *)&This->lpVtbl;
1625     return S_OK;
1626 }
1627
1628
1629 static inline HRESULT get_facbuf_for_iid(REFIID riid, IPSFactoryBuffer **facbuf)
1630 {
1631     HRESULT       hr;
1632     CLSID         clsid;
1633
1634     if ((hr = CoGetPSClsid(riid, &clsid)))
1635         return hr;
1636     return CoGetClassObject(&clsid, CLSCTX_INPROC_SERVER, NULL,
1637                              &IID_IPSFactoryBuffer, (LPVOID*)facbuf);
1638 }
1639
1640 static HRESULT WINAPI
1641 PSFacBuf_CreateProxy(
1642     LPPSFACTORYBUFFER iface, IUnknown* pUnkOuter, REFIID riid,
1643     IRpcProxyBuffer **ppProxy, LPVOID *ppv)
1644 {
1645     HRESULT     hres;
1646     ITypeInfo   *tinfo;
1647     int         i, nroffuncs;
1648     const FUNCDESC *fdesc;
1649     TMProxyImpl *proxy;
1650     TYPEATTR    *typeattr;
1651
1652     TRACE("(...%s...)\n",debugstr_guid(riid));
1653     hres = _get_typeinfo_for_iid(riid,&tinfo);
1654     if (hres) {
1655         ERR("No typeinfo for %s?\n",debugstr_guid(riid));
1656         return hres;
1657     }
1658     nroffuncs = _nroffuncs(tinfo);
1659     proxy = CoTaskMemAlloc(sizeof(TMProxyImpl));
1660     if (!proxy) return E_OUTOFMEMORY;
1661
1662     assert(sizeof(TMAsmProxy) == 12);
1663
1664     proxy->dispatch = NULL;
1665     proxy->dispatch_proxy = NULL;
1666     proxy->outerunknown = pUnkOuter;
1667     proxy->asmstubs = VirtualAlloc(NULL, sizeof(TMAsmProxy) * nroffuncs, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
1668     if (!proxy->asmstubs) {
1669         ERR("Could not commit pages for proxy thunks\n");
1670         CoTaskMemFree(proxy);
1671         return E_OUTOFMEMORY;
1672     }
1673     proxy->lpvtbl2      = &tmproxyvtable;
1674     /* one reference for the proxy */
1675     proxy->ref          = 1;
1676     proxy->tinfo        = tinfo;
1677     memcpy(&proxy->iid,riid,sizeof(*riid));
1678     proxy->chanbuf      = 0;
1679
1680     InitializeCriticalSection(&proxy->crit);
1681
1682     proxy->lpvtbl = HeapAlloc(GetProcessHeap(),0,sizeof(LPBYTE)*nroffuncs);
1683     for (i=0;i<nroffuncs;i++) {
1684         TMAsmProxy      *xasm = proxy->asmstubs+i;
1685
1686         switch (i) {
1687         case 0:
1688                 proxy->lpvtbl[i] = ProxyIUnknown_QueryInterface;
1689                 break;
1690         case 1:
1691                 proxy->lpvtbl[i] = ProxyIUnknown_AddRef;
1692                 break;
1693         case 2:
1694                 proxy->lpvtbl[i] = ProxyIUnknown_Release;
1695                 break;
1696         default: {
1697                 int j;
1698                 /* nrofargs without This */
1699                 int nrofargs;
1700                 ITypeInfo *tinfo2;
1701                 hres = _get_funcdesc(tinfo,i,&tinfo2,&fdesc,NULL,NULL);
1702                 ITypeInfo_Release(tinfo2);
1703                 if (hres) {
1704                     ERR("GetFuncDesc %x should not fail here.\n",hres);
1705                     return hres;
1706                 }
1707                 /* some args take more than 4 byte on the stack */
1708                 nrofargs = 0;
1709                 for (j=0;j<fdesc->cParams;j++)
1710                     nrofargs += _argsize(fdesc->lprgelemdescParam[j].tdesc.vt);
1711
1712 #ifdef __i386__
1713                 if (fdesc->callconv != CC_STDCALL) {
1714                     ERR("calling convention is not stdcall????\n");
1715                     return E_FAIL;
1716                 }
1717 /* popl %eax    -       return ptr
1718  * pushl <nr>
1719  * pushl %eax
1720  * call xCall
1721  * lret <nr> (+4)
1722  *
1723  *
1724  * arg3 arg2 arg1 <method> <returnptr>
1725  */
1726                 xasm->popleax   = 0x58;
1727                 xasm->pushlval  = 0x6a;
1728                 xasm->nr        = i;
1729                 xasm->pushleax  = 0x50;
1730                 xasm->lcall     = 0xe8; /* relative jump */
1731                 xasm->xcall     = (DWORD)xCall;
1732                 xasm->xcall     -= (DWORD)&(xasm->lret);
1733                 xasm->lret      = 0xc2;
1734                 xasm->bytestopop= (nrofargs+2)*4; /* pop args, This, iMethod */
1735                 proxy->lpvtbl[i] = xasm;
1736                 break;
1737 #else
1738                 FIXME("not implemented on non i386\n");
1739                 return E_FAIL;
1740 #endif
1741             }
1742         }
1743     }
1744
1745     /* if we derive from IDispatch then defer to its proxy for its methods */
1746     hres = ITypeInfo_GetTypeAttr(tinfo, &typeattr);
1747     if (hres == S_OK)
1748     {
1749         if (typeattr->wTypeFlags & TYPEFLAG_FDISPATCHABLE)
1750         {
1751             IPSFactoryBuffer *factory_buffer;
1752             hres = get_facbuf_for_iid(&IID_IDispatch, &factory_buffer);
1753             if (hres == S_OK)
1754             {
1755                 hres = IPSFactoryBuffer_CreateProxy(factory_buffer, NULL,
1756                     &IID_IDispatch, &proxy->dispatch_proxy,
1757                     (void **)&proxy->dispatch);
1758                 IPSFactoryBuffer_Release(factory_buffer);
1759             }
1760             if ((hres == S_OK) && (nroffuncs < 7))
1761             {
1762                 ERR("nroffuncs calculated incorrectly (%d)\n", nroffuncs);
1763                 hres = E_UNEXPECTED;
1764             }
1765             if (hres == S_OK)
1766             {
1767                 proxy->lpvtbl[3] = ProxyIDispatch_GetTypeInfoCount;
1768                 proxy->lpvtbl[4] = ProxyIDispatch_GetTypeInfo;
1769                 proxy->lpvtbl[5] = ProxyIDispatch_GetIDsOfNames;
1770                 proxy->lpvtbl[6] = ProxyIDispatch_Invoke;
1771             }
1772         }
1773         ITypeInfo_ReleaseTypeAttr(tinfo, typeattr);
1774     }
1775
1776     if (hres == S_OK)
1777     {
1778         *ppv            = (LPVOID)proxy;
1779         *ppProxy                = (IRpcProxyBuffer *)&(proxy->lpvtbl2);
1780         IUnknown_AddRef((IUnknown *)*ppv);
1781         return S_OK;
1782     }
1783     else
1784         TMProxyImpl_Release((IRpcProxyBuffer *)&proxy->lpvtbl2);
1785     return hres;
1786 }
1787
1788 typedef struct _TMStubImpl {
1789     const IRpcStubBufferVtbl   *lpvtbl;
1790     LONG                        ref;
1791
1792     LPUNKNOWN                   pUnk;
1793     ITypeInfo                   *tinfo;
1794     IID                         iid;
1795     IRpcStubBuffer              *dispatch_stub;
1796     BOOL                        dispatch_derivative;
1797 } TMStubImpl;
1798
1799 static HRESULT WINAPI
1800 TMStubImpl_QueryInterface(LPRPCSTUBBUFFER iface, REFIID riid, LPVOID *ppv)
1801 {
1802     if (IsEqualIID(riid,&IID_IRpcStubBuffer)||IsEqualIID(riid,&IID_IUnknown)){
1803         *ppv = (LPVOID)iface;
1804         IRpcStubBuffer_AddRef(iface);
1805         return S_OK;
1806     }
1807     FIXME("%s, not supported IID.\n",debugstr_guid(riid));
1808     return E_NOINTERFACE;
1809 }
1810
1811 static ULONG WINAPI
1812 TMStubImpl_AddRef(LPRPCSTUBBUFFER iface)
1813 {
1814     TMStubImpl *This = (TMStubImpl *)iface;
1815     ULONG refCount = InterlockedIncrement(&This->ref);
1816
1817     TRACE("(%p)->(ref before=%u)\n", This, refCount - 1);
1818
1819     return refCount;
1820 }
1821
1822 static ULONG WINAPI
1823 TMStubImpl_Release(LPRPCSTUBBUFFER iface)
1824 {
1825     TMStubImpl *This = (TMStubImpl *)iface;
1826     ULONG refCount = InterlockedDecrement(&This->ref);
1827
1828     TRACE("(%p)->(ref before=%u)\n", This, refCount + 1);
1829
1830     if (!refCount)
1831     {
1832         IRpcStubBuffer_Disconnect(iface);
1833         ITypeInfo_Release(This->tinfo);
1834         if (This->dispatch_stub)
1835             IRpcStubBuffer_Release(This->dispatch_stub);
1836         CoTaskMemFree(This);
1837     }
1838     return refCount;
1839 }
1840
1841 static HRESULT WINAPI
1842 TMStubImpl_Connect(LPRPCSTUBBUFFER iface, LPUNKNOWN pUnkServer)
1843 {
1844     TMStubImpl *This = (TMStubImpl *)iface;
1845
1846     TRACE("(%p)->(%p)\n", This, pUnkServer);
1847
1848     IUnknown_AddRef(pUnkServer);
1849     This->pUnk = pUnkServer;
1850
1851     if (This->dispatch_stub)
1852         IRpcStubBuffer_Connect(This->dispatch_stub, pUnkServer);
1853
1854     return S_OK;
1855 }
1856
1857 static void WINAPI
1858 TMStubImpl_Disconnect(LPRPCSTUBBUFFER iface)
1859 {
1860     TMStubImpl *This = (TMStubImpl *)iface;
1861
1862     TRACE("(%p)->()\n", This);
1863
1864     if (This->pUnk)
1865     {
1866         IUnknown_Release(This->pUnk);
1867         This->pUnk = NULL;
1868     }
1869
1870     if (This->dispatch_stub)
1871         IRpcStubBuffer_Disconnect(This->dispatch_stub);
1872 }
1873
1874 static HRESULT WINAPI
1875 TMStubImpl_Invoke(
1876     LPRPCSTUBBUFFER iface, RPCOLEMESSAGE* xmsg,IRpcChannelBuffer*rpcchanbuf)
1877 {
1878     int         i;
1879     const FUNCDESC *fdesc;
1880     TMStubImpl *This = (TMStubImpl *)iface;
1881     HRESULT     hres;
1882     DWORD       *args = NULL, res, *xargs, nrofargs;
1883     marshal_state       buf;
1884     UINT        nrofnames = 0;
1885     BSTR        names[10];
1886     BSTR        iname = NULL;
1887     ITypeInfo   *tinfo = NULL;
1888
1889     TRACE("...\n");
1890
1891     if (xmsg->iMethod < 3) {
1892         ERR("IUnknown methods cannot be marshaled by the typelib marshaler\n");
1893         return E_UNEXPECTED;
1894     }
1895
1896     if (This->dispatch_derivative && xmsg->iMethod < sizeof(IDispatchVtbl)/sizeof(void *))
1897     {
1898         IPSFactoryBuffer *factory_buffer;
1899         hres = get_facbuf_for_iid(&IID_IDispatch, &factory_buffer);
1900         if (hres == S_OK)
1901         {
1902             hres = IPSFactoryBuffer_CreateStub(factory_buffer, &IID_IDispatch,
1903                 This->pUnk, &This->dispatch_stub);
1904             IPSFactoryBuffer_Release(factory_buffer);
1905         }
1906         if (hres != S_OK)
1907             return hres;
1908         return IRpcStubBuffer_Invoke(This->dispatch_stub, xmsg, rpcchanbuf);
1909     }
1910
1911     memset(&buf,0,sizeof(buf));
1912     buf.size    = xmsg->cbBuffer;
1913     buf.base    = HeapAlloc(GetProcessHeap(), 0, xmsg->cbBuffer);
1914     memcpy(buf.base, xmsg->Buffer, xmsg->cbBuffer);
1915     buf.curoff  = 0;
1916
1917     hres = _get_funcdesc(This->tinfo,xmsg->iMethod,&tinfo,&fdesc,&iname,NULL);
1918     if (hres) {
1919         ERR("GetFuncDesc on method %d failed with %x\n",xmsg->iMethod,hres);
1920         return hres;
1921     }
1922
1923     if (iname && !lstrcmpW(iname, IDispatchW))
1924     {
1925         ERR("IDispatch cannot be marshaled by the typelib marshaler\n");
1926         hres = E_UNEXPECTED;
1927         SysFreeString (iname);
1928         goto exit;
1929     }
1930
1931     if (iname) SysFreeString (iname);
1932
1933     /* Need them for hack below */
1934     memset(names,0,sizeof(names));
1935     ITypeInfo_GetNames(tinfo,fdesc->memid,names,sizeof(names)/sizeof(names[0]),&nrofnames);
1936     if (nrofnames > sizeof(names)/sizeof(names[0])) {
1937         ERR("Need more names!\n");
1938     }
1939
1940     /*dump_FUNCDESC(fdesc);*/
1941     nrofargs = 0;
1942     for (i=0;i<fdesc->cParams;i++)
1943         nrofargs += _argsize(fdesc->lprgelemdescParam[i].tdesc.vt);
1944     args = HeapAlloc(GetProcessHeap(),0,(nrofargs+1)*sizeof(DWORD));
1945     if (!args)
1946     {
1947         hres = E_OUTOFMEMORY;
1948         goto exit;
1949     }
1950
1951     /* Allocate all stuff used by call. */
1952     xargs = args+1;
1953     for (i=0;i<fdesc->cParams;i++) {
1954         ELEMDESC        *elem = fdesc->lprgelemdescParam+i;
1955
1956         hres = deserialize_param(
1957            tinfo,
1958            is_in_elem(elem),
1959            FALSE,
1960            TRUE,
1961            &(elem->tdesc),
1962            xargs,
1963            &buf
1964         );
1965         xargs += _argsize(elem->tdesc.vt);
1966         if (hres) {
1967             ERR("Failed to deserialize param %s, hres %x\n",relaystr(names[i+1]),hres);
1968             break;
1969         }
1970     }
1971
1972     args[0] = (DWORD)This->pUnk;
1973
1974     __TRY
1975     {
1976         res = _invoke(
1977             (*((FARPROC**)args[0]))[fdesc->oVft/4],
1978             fdesc->callconv,
1979             (xargs-args),
1980             args
1981         );
1982     }
1983     __EXCEPT(NULL)
1984     {
1985         DWORD dwExceptionCode = GetExceptionCode();
1986         ERR("invoke call failed with exception 0x%08x (%d)\n", dwExceptionCode, dwExceptionCode);
1987         if (FAILED(dwExceptionCode))
1988             hres = dwExceptionCode;
1989         else
1990             hres = HRESULT_FROM_WIN32(dwExceptionCode);
1991     }
1992     __ENDTRY
1993
1994     if (hres != S_OK)
1995         goto exit;
1996
1997     buf.curoff = 0;
1998
1999     xargs = args+1;
2000     for (i=0;i<fdesc->cParams;i++) {
2001         ELEMDESC        *elem = fdesc->lprgelemdescParam+i;
2002         hres = serialize_param(
2003            tinfo,
2004            is_out_elem(elem),
2005            FALSE,
2006            TRUE,
2007            &elem->tdesc,
2008            xargs,
2009            &buf
2010         );
2011         xargs += _argsize(elem->tdesc.vt);
2012         if (hres) {
2013             ERR("Failed to stuballoc param, hres %x\n",hres);
2014             break;
2015         }
2016     }
2017
2018     hres = xbuf_add (&buf, (LPBYTE)&res, sizeof(DWORD));
2019
2020     if (hres != S_OK)
2021         goto exit;
2022
2023     xmsg->cbBuffer      = buf.curoff;
2024     hres = IRpcChannelBuffer_GetBuffer(rpcchanbuf, xmsg, &This->iid);
2025     if (hres != S_OK)
2026         ERR("IRpcChannelBuffer_GetBuffer failed with error 0x%08x\n", hres);
2027
2028     if (hres == S_OK)
2029         memcpy(xmsg->Buffer, buf.base, buf.curoff);
2030
2031 exit:
2032     for (i = 0; i < nrofnames; i++)
2033         SysFreeString(names[i]);
2034
2035     ITypeInfo_Release(tinfo);
2036     HeapFree(GetProcessHeap(), 0, args);
2037
2038     HeapFree(GetProcessHeap(), 0, buf.base);
2039
2040     TRACE("returning\n");
2041     return hres;
2042 }
2043
2044 static LPRPCSTUBBUFFER WINAPI
2045 TMStubImpl_IsIIDSupported(LPRPCSTUBBUFFER iface, REFIID riid) {
2046     FIXME("Huh (%s)?\n",debugstr_guid(riid));
2047     return NULL;
2048 }
2049
2050 static ULONG WINAPI
2051 TMStubImpl_CountRefs(LPRPCSTUBBUFFER iface) {
2052     TMStubImpl *This = (TMStubImpl *)iface;
2053
2054     FIXME("()\n");
2055     return This->ref; /*FIXME? */
2056 }
2057
2058 static HRESULT WINAPI
2059 TMStubImpl_DebugServerQueryInterface(LPRPCSTUBBUFFER iface, LPVOID *ppv) {
2060     return E_NOTIMPL;
2061 }
2062
2063 static void WINAPI
2064 TMStubImpl_DebugServerRelease(LPRPCSTUBBUFFER iface, LPVOID ppv) {
2065     return;
2066 }
2067
2068 static const IRpcStubBufferVtbl tmstubvtbl = {
2069     TMStubImpl_QueryInterface,
2070     TMStubImpl_AddRef,
2071     TMStubImpl_Release,
2072     TMStubImpl_Connect,
2073     TMStubImpl_Disconnect,
2074     TMStubImpl_Invoke,
2075     TMStubImpl_IsIIDSupported,
2076     TMStubImpl_CountRefs,
2077     TMStubImpl_DebugServerQueryInterface,
2078     TMStubImpl_DebugServerRelease
2079 };
2080
2081 static HRESULT WINAPI
2082 PSFacBuf_CreateStub(
2083     LPPSFACTORYBUFFER iface, REFIID riid,IUnknown *pUnkServer,
2084     IRpcStubBuffer** ppStub
2085 ) {
2086     HRESULT hres;
2087     ITypeInfo   *tinfo;
2088     TMStubImpl  *stub;
2089     TYPEATTR *typeattr;
2090
2091     TRACE("(%s,%p,%p)\n",debugstr_guid(riid),pUnkServer,ppStub);
2092
2093     hres = _get_typeinfo_for_iid(riid,&tinfo);
2094     if (hres) {
2095         ERR("No typeinfo for %s?\n",debugstr_guid(riid));
2096         return hres;
2097     }
2098
2099     stub = CoTaskMemAlloc(sizeof(TMStubImpl));
2100     if (!stub)
2101         return E_OUTOFMEMORY;
2102     stub->lpvtbl        = &tmstubvtbl;
2103     stub->ref           = 1;
2104     stub->tinfo         = tinfo;
2105     stub->dispatch_stub = NULL;
2106     stub->dispatch_derivative = FALSE;
2107     memcpy(&(stub->iid),riid,sizeof(*riid));
2108     hres = IRpcStubBuffer_Connect((LPRPCSTUBBUFFER)stub,pUnkServer);
2109     *ppStub             = (LPRPCSTUBBUFFER)stub;
2110     TRACE("IRpcStubBuffer: %p\n", stub);
2111     if (hres)
2112         ERR("Connect to pUnkServer failed?\n");
2113
2114     /* if we derive from IDispatch then defer to its stub for some of its methods */
2115     hres = ITypeInfo_GetTypeAttr(tinfo, &typeattr);
2116     if (hres == S_OK)
2117     {
2118         if (typeattr->wTypeFlags & TYPEFLAG_FDISPATCHABLE)
2119             stub->dispatch_derivative = TRUE;
2120         ITypeInfo_ReleaseTypeAttr(tinfo, typeattr);
2121     }
2122
2123     return hres;
2124 }
2125
2126 static const IPSFactoryBufferVtbl psfacbufvtbl = {
2127     PSFacBuf_QueryInterface,
2128     PSFacBuf_AddRef,
2129     PSFacBuf_Release,
2130     PSFacBuf_CreateProxy,
2131     PSFacBuf_CreateStub
2132 };
2133
2134 /* This is the whole PSFactoryBuffer object, just the vtableptr */
2135 static const IPSFactoryBufferVtbl *lppsfac = &psfacbufvtbl;
2136
2137 /***********************************************************************
2138  *           TMARSHAL_DllGetClassObject
2139  */
2140 HRESULT TMARSHAL_DllGetClassObject(REFCLSID rclsid, REFIID iid,LPVOID *ppv)
2141 {
2142     if (IsEqualIID(iid,&IID_IPSFactoryBuffer)) {
2143         *ppv = &lppsfac;
2144         return S_OK;
2145     }
2146     return E_NOINTERFACE;
2147 }