dlls/oleaut32/tmarshal.c

   1 /*
   2  *      TYPELIB Marshaler
   3  *
   4  *      Copyright 2002,2005     Marcus Meissner
   5  *
   6  * The olerelay debug channel allows you to see calls marshalled by
   7  * the typelib marshaller. It is not a generic COM relaying system.
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  */
  23
  24 #include "config.h"
  25 #include "wine/port.h"
  26
  27 #include <assert.h>
  28 #include <stdlib.h>
  29 #include <string.h>
  30 #include <stdarg.h>
  31 #include <stdio.h>
  32 #include <ctype.h>
  33
  34 #define COBJMACROS
  35 #define NONAMELESSUNION
  36 #define NONAMELESSSTRUCT
  37
  38 #include "winerror.h"
  39 #include "windef.h"
  40 #include "winbase.h"
  41 #include "winnls.h"
  42 #include "winreg.h"
  43 #include "winuser.h"
  44
  45 #include "ole2.h"
  46 #include "propidl.h" /* for LPSAFEARRAY_User* functions */
  47 #include "typelib.h"
  48 #include "variant.h"
  49 #include "wine/debug.h"
  50 #include "wine/exception.h"
  51
  52 static const WCHAR IDispatchW[] = { 'I','D','i','s','p','a','t','c','h',0};
  53
  54 WINE_DEFAULT_DEBUG_CHANNEL(ole);
  55 WINE_DECLARE_DEBUG_CHANNEL(olerelay);
  56
  57 #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, const BYTE *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     tlguidlen = sizeof(tlguid);
 290     if (RegQueryValueExA(ikey,NULL,NULL,&type,(LPBYTE)tlguid,&tlguidlen)) {
 291         ERR("Getting typelib guid failed.\n");
 292         RegCloseKey(ikey);
 293         return E_FAIL;
 294     }
 295     verlen = sizeof(ver);
 296     if (RegQueryValueExA(ikey,"Version",NULL,&type,(LPBYTE)ver,&verlen)) {
 297         ERR("Could not get version value?\n");
 298         RegCloseKey(ikey);
 299         return E_FAIL;
 300     }
 301     RegCloseKey(ikey);
 302     sprintf(typelibkey,"Typelib\\%s\\%s\\0\\win32",tlguid,ver);
 303     tlfnlen = sizeof(tlfn);
 304     if (RegQueryValueA(HKEY_CLASSES_ROOT,typelibkey,tlfn,&tlfnlen)) {
 305         ERR("Could not get typelib fn?\n");
 306         return E_FAIL;
 307     }
 308     MultiByteToWideChar(CP_ACP, 0, tlfn, -1, tlfnW, sizeof(tlfnW) / sizeof(tlfnW[0]));
 309     hres = LoadTypeLib(tlfnW,&tl);
 310     if (hres) {
 311         ERR("Failed to load typelib for %s, but it should be there.\n",debugstr_guid(riid));
 312         return hres;
 313     }
 314     hres = ITypeLib_GetTypeInfoOfGuid(tl,riid,ti);
 315     if (hres) {
 316         ERR("typelib does not contain info for %s?\n",debugstr_guid(riid));
 317         ITypeLib_Release(tl);
 318         return hres;
 319     }
 320     ITypeLib_Release(tl);
 321     return hres;
 322 }
 323
 324 /*
 325  * Determine the number of functions including all inherited functions.
 326  * Note for non-dual dispinterfaces we simply return the size of IDispatch.
 327  */
 328 static HRESULT num_of_funcs(ITypeInfo *tinfo, unsigned int *num)
 329 {
 330     HRESULT hres;
 331     TYPEATTR *attr;
 332     ITypeInfo *tinfo2;
 333
 334     *num = 0;
 335     hres = ITypeInfo_GetTypeAttr(tinfo, &attr);
 336     if (hres) {
 337         ERR("GetTypeAttr failed with %x\n",hres);
 338         return hres;
 339     }
 340
 341     if(attr->typekind == TKIND_DISPATCH && (attr->wTypeFlags & TYPEFLAG_FDUAL))
 342     {
 343         HREFTYPE href;
 344         hres = ITypeInfo_GetRefTypeOfImplType(tinfo, -1, &href);
 345         if(FAILED(hres))
 346         {
 347             ERR("Unable to get interface href from dual dispinterface\n");
 348             goto end;
 349         }
 350         hres = ITypeInfo_GetRefTypeInfo(tinfo, href, &tinfo2);
 351         if(FAILED(hres))
 352         {
 353             ERR("Unable to get interface from dual dispinterface\n");
 354             goto end;
 355         }
 356         hres = num_of_funcs(tinfo2, num);
 357         ITypeInfo_Release(tinfo2);
 358     }
 359     else
 360     {
 361         *num = attr->cbSizeVft / 4;
 362     }
 363
 364  end:
 365     ITypeInfo_ReleaseTypeAttr(tinfo, attr);
 366     return hres;
 367 }
 368
 369 #ifdef __i386__
 370
 371 #include "pshpack1.h"
 372
 373 typedef struct _TMAsmProxy {
 374     BYTE        popleax;
 375     BYTE        pushlval;
 376     DWORD       nr;
 377     BYTE        pushleax;
 378     BYTE        lcall;
 379     DWORD       xcall;
 380     BYTE        lret;
 381     WORD        bytestopop;
 382     BYTE        nop;
 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         This->crit.DebugInfo->Spare[0] = 0;
 444         DeleteCriticalSection(&This->crit);
 445         if (This->chanbuf) IRpcChannelBuffer_Release(This->chanbuf);
 446         VirtualFree(This->asmstubs, 0, MEM_RELEASE);
 447         HeapFree(GetProcessHeap(), 0, This->lpvtbl);
 448         ITypeInfo_Release(This->tinfo);
 449         CoTaskMemFree(This);
 450     }
 451     return refCount;
 452 }
 453
 454 static HRESULT WINAPI
 455 TMProxyImpl_Connect(
 456     LPRPCPROXYBUFFER iface,IRpcChannelBuffer* pRpcChannelBuffer)
 457 {
 458     ICOM_THIS_MULTI(TMProxyImpl, lpvtbl2, iface);
 459
 460     TRACE("(%p)\n", pRpcChannelBuffer);
 461
 462     EnterCriticalSection(&This->crit);
 463
 464     IRpcChannelBuffer_AddRef(pRpcChannelBuffer);
 465     This->chanbuf = pRpcChannelBuffer;
 466
 467     LeaveCriticalSection(&This->crit);
 468
 469     if (This->dispatch_proxy)
 470     {
 471         IRpcChannelBuffer *pDelegateChannel;
 472         HRESULT hr = TMarshalDispatchChannel_Create(pRpcChannelBuffer, &This->iid, &pDelegateChannel);
 473         if (FAILED(hr))
 474             return hr;
 475         hr = IRpcProxyBuffer_Connect(This->dispatch_proxy, pDelegateChannel);
 476         IRpcChannelBuffer_Release(pDelegateChannel);
 477         return hr;
 478     }
 479
 480     return S_OK;
 481 }
 482
 483 static void WINAPI
 484 TMProxyImpl_Disconnect(LPRPCPROXYBUFFER iface)
 485 {
 486     ICOM_THIS_MULTI(TMProxyImpl, lpvtbl2, iface);
 487
 488     TRACE("()\n");
 489
 490     EnterCriticalSection(&This->crit);
 491
 492     IRpcChannelBuffer_Release(This->chanbuf);
 493     This->chanbuf = NULL;
 494
 495     LeaveCriticalSection(&This->crit);
 496
 497     if (This->dispatch_proxy)
 498         IRpcProxyBuffer_Disconnect(This->dispatch_proxy);
 499 }
 500
 501
 502 static const IRpcProxyBufferVtbl tmproxyvtable = {
 503     TMProxyImpl_QueryInterface,
 504     TMProxyImpl_AddRef,
 505     TMProxyImpl_Release,
 506     TMProxyImpl_Connect,
 507     TMProxyImpl_Disconnect
 508 };
 509
 510 /* how much space do we use on stack in DWORD steps. */
 511 static int
 512 _argsize(TYPEDESC *tdesc, ITypeInfo *tinfo) {
 513     switch (tdesc->vt) {
 514     case VT_I8:
 515     case VT_UI8:
 516         return 8/sizeof(DWORD);
 517     case VT_R8:
 518         return sizeof(double)/sizeof(DWORD);
 519     case VT_CY:
 520         return sizeof(CY)/sizeof(DWORD);
 521     case VT_DATE:
 522         return sizeof(DATE)/sizeof(DWORD);
 523     case VT_DECIMAL:
 524         return (sizeof(DECIMAL)+3)/sizeof(DWORD);
 525     case VT_VARIANT:
 526         return (sizeof(VARIANT)+3)/sizeof(DWORD);
 527     default:
 528         return 1;
 529     }
 530 }
 531
 532 /* how much space do we use on the heap (in bytes) */
 533 static int
 534 _xsize(const TYPEDESC *td, ITypeInfo *tinfo) {
 535     switch (td->vt) {
 536     case VT_DATE:
 537         return sizeof(DATE);
 538     case VT_CY:
 539         return sizeof(CY);
 540     /* FIXME: VT_BOOL should return 2? */
 541     case VT_VARIANT:
 542         return sizeof(VARIANT)+3; /* FIXME: why the +3? */
 543     case VT_CARRAY: {
 544         int i, arrsize = 1;
 545         const ARRAYDESC *adesc = td->u.lpadesc;
 546
 547         for (i=0;i<adesc->cDims;i++)
 548             arrsize *= adesc->rgbounds[i].cElements;
 549         return arrsize*_xsize(&adesc->tdescElem, tinfo);
 550     }
 551     case VT_UI8:
 552     case VT_I8:
 553     case VT_R8:
 554         return 8;
 555     case VT_UI2:
 556     case VT_I2:
 557         return 2;
 558     case VT_UI1:
 559     case VT_I1:
 560         return 1;
 561     default:
 562         return 4;
 563     }
 564 }
 565
 566 static HRESULT
 567 serialize_param(
 568     ITypeInfo           *tinfo,
 569     BOOL                writeit,
 570     BOOL                debugout,
 571     BOOL                dealloc,
 572     TYPEDESC            *tdesc,
 573     DWORD               *arg,
 574     marshal_state       *buf)
 575 {
 576     HRESULT hres = S_OK;
 577
 578     TRACE("(tdesc.vt %s)\n",debugstr_vt(tdesc->vt));
 579
 580     switch (tdesc->vt) {
 581     case VT_EMPTY: /* nothing. empty variant for instance */
 582         return S_OK;
 583     case VT_I8:
 584     case VT_UI8:
 585     case VT_R8:
 586     case VT_CY:
 587         hres = S_OK;
 588         if (debugout) TRACE_(olerelay)("%x%x\n",arg[0],arg[1]);
 589         if (writeit)
 590             hres = xbuf_add(buf,(LPBYTE)arg,8);
 591         return hres;
 592     case VT_BOOL:
 593     case VT_ERROR:
 594     case VT_INT:
 595     case VT_UINT:
 596     case VT_I4:
 597     case VT_R4:
 598     case VT_UI4:
 599         hres = S_OK;
 600         if (debugout) TRACE_(olerelay)("%x\n",*arg);
 601         if (writeit)
 602             hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
 603         return hres;
 604     case VT_I2:
 605     case VT_UI2:
 606         hres = S_OK;
 607         if (debugout) TRACE_(olerelay)("%04x\n",*arg & 0xffff);
 608         if (writeit)
 609             hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
 610         return hres;
 611     case VT_I1:
 612     case VT_UI1:
 613         hres = S_OK;
 614         if (debugout) TRACE_(olerelay)("%02x\n",*arg & 0xff);
 615         if (writeit)
 616             hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
 617         return hres;
 618     case VT_I4|VT_BYREF:
 619         hres = S_OK;
 620         if (debugout) TRACE_(olerelay)("&0x%x\n",*arg);
 621         if (writeit)
 622             hres = xbuf_add(buf,(LPBYTE)(DWORD*)*arg,sizeof(DWORD));
 623         /* do not dealloc at this time */
 624         return hres;
 625     case VT_VARIANT: {
 626         TYPEDESC        tdesc2;
 627         VARIANT         *vt = (VARIANT*)arg;
 628         DWORD           vttype = V_VT(vt);
 629
 630         if (debugout) TRACE_(olerelay)("Vt(%s%s)(",debugstr_vt(vttype),debugstr_vf(vttype));
 631         tdesc2.vt = vttype;
 632         if (writeit) {
 633             hres = xbuf_add(buf,(LPBYTE)&vttype,sizeof(vttype));
 634             if (hres) return hres;
 635         }
 636         /* need to recurse since we need to free the stuff */
 637         hres = serialize_param(tinfo,writeit,debugout,dealloc,&tdesc2,(DWORD*)&(V_I4(vt)),buf);
 638         if (debugout) TRACE_(olerelay)(")");
 639         return hres;
 640     }
 641     case VT_BSTR|VT_BYREF: {
 642         if (debugout) TRACE_(olerelay)("[byref]'%s'", *(BSTR*)*arg ? relaystr(*((BSTR*)*arg)) : "<bstr NULL>");
 643         if (writeit) {
 644             /* ptr to ptr to magic widestring, basically */
 645             BSTR *bstr = (BSTR *) *arg;
 646             DWORD len;
 647             if (!*bstr) {
 648                 /* -1 means "null string" which is equivalent to empty string */
 649                 len = -1;
 650                 hres = xbuf_add(buf, (LPBYTE)&len,sizeof(DWORD));
 651                 if (hres) return hres;
 652             } else {
 653                 len = *((DWORD*)*bstr-1)/sizeof(WCHAR);
 654                 hres = xbuf_add(buf,(LPBYTE)&len,sizeof(DWORD));
 655                 if (hres) return hres;
 656                 hres = xbuf_add(buf,(LPBYTE)*bstr,len * sizeof(WCHAR));
 657                 if (hres) return hres;
 658             }
 659         }
 660
 661         if (dealloc && arg) {
 662             BSTR *str = *((BSTR **)arg);
 663             SysFreeString(*str);
 664         }
 665         return S_OK;
 666     }
 667
 668     case VT_BSTR: {
 669         if (debugout) {
 670             if (*arg)
 671                    TRACE_(olerelay)("%s",relaystr((WCHAR*)*arg));
 672             else
 673                     TRACE_(olerelay)("<bstr NULL>");
 674         }
 675         if (writeit) {
 676             BSTR bstr = (BSTR)*arg;
 677             DWORD len;
 678             if (!bstr) {
 679                 len = -1;
 680                 hres = xbuf_add(buf,(LPBYTE)&len,sizeof(DWORD));
 681                 if (hres) return hres;
 682             } else {
 683                 len = *((DWORD*)bstr-1)/sizeof(WCHAR);
 684                 hres = xbuf_add(buf,(LPBYTE)&len,sizeof(DWORD));
 685                 if (hres) return hres;
 686                 hres = xbuf_add(buf,(LPBYTE)bstr,len * sizeof(WCHAR));
 687                 if (hres) return hres;
 688             }
 689         }
 690
 691         if (dealloc && arg)
 692             SysFreeString((BSTR)*arg);
 693         return S_OK;
 694     }
 695     case VT_PTR: {
 696         DWORD cookie;
 697         BOOL        derefhere = TRUE;
 698
 699         if (tdesc->u.lptdesc->vt == VT_USERDEFINED) {
 700             ITypeInfo   *tinfo2;
 701             TYPEATTR    *tattr;
 702
 703             hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.lptdesc->u.hreftype,&tinfo2);
 704             if (hres) {
 705                 ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.lptdesc->u.hreftype);
 706                 return hres;
 707             }
 708             ITypeInfo_GetTypeAttr(tinfo2,&tattr);
 709             switch (tattr->typekind) {
 710             case TKIND_ALIAS:
 711                 if (tattr->tdescAlias.vt == VT_USERDEFINED)
 712                 {
 713                     DWORD href = tattr->tdescAlias.u.hreftype;
 714                     ITypeInfo_ReleaseTypeAttr(tinfo, tattr);
 715                     ITypeInfo_Release(tinfo2);
 716                     hres = ITypeInfo_GetRefTypeInfo(tinfo,href,&tinfo2);
 717                     if (hres) {
 718                         ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.lptdesc->u.hreftype);
 719                         return hres;
 720                     }
 721                     ITypeInfo_GetTypeAttr(tinfo2,&tattr);
 722                     derefhere = (tattr->typekind != TKIND_DISPATCH && tattr->typekind != TKIND_INTERFACE);
 723                 }
 724                 break;
 725             case TKIND_ENUM:    /* confirmed */
 726             case TKIND_RECORD:  /* FIXME: mostly untested */
 727                 break;
 728             case TKIND_DISPATCH:        /* will be done in VT_USERDEFINED case */
 729             case TKIND_INTERFACE:       /* will be done in VT_USERDEFINED case */
 730                 derefhere=FALSE;
 731                 break;
 732             default:
 733                 FIXME("unhandled switch cases tattr->typekind %d\n", tattr->typekind);
 734                 derefhere=FALSE;
 735                 break;
 736             }
 737             ITypeInfo_ReleaseTypeAttr(tinfo, tattr);
 738             ITypeInfo_Release(tinfo2);
 739         }
 740
 741         if (debugout) TRACE_(olerelay)("*");
 742         /* Write always, so the other side knows when it gets a NULL pointer.
 743          */
 744         cookie = *arg ? 0x42424242 : 0;
 745         hres = xbuf_add(buf,(LPBYTE)&cookie,sizeof(cookie));
 746         if (hres)
 747             return hres;
 748         if (!*arg) {
 749             if (debugout) TRACE_(olerelay)("NULL");
 750             return S_OK;
 751         }
 752         hres = serialize_param(tinfo,writeit,debugout,dealloc,tdesc->u.lptdesc,(DWORD*)*arg,buf);
 753         if (derefhere && dealloc) HeapFree(GetProcessHeap(),0,(LPVOID)*arg);
 754         return hres;
 755     }
 756     case VT_UNKNOWN:
 757         if (debugout) TRACE_(olerelay)("unk(0x%x)",*arg);
 758         if (writeit)
 759             hres = _marshal_interface(buf,&IID_IUnknown,(LPUNKNOWN)*arg);
 760         if (dealloc && *(IUnknown **)arg)
 761             IUnknown_Release((LPUNKNOWN)*arg);
 762         return hres;
 763     case VT_DISPATCH:
 764         if (debugout) TRACE_(olerelay)("idisp(0x%x)",*arg);
 765         if (writeit)
 766             hres = _marshal_interface(buf,&IID_IDispatch,(LPUNKNOWN)*arg);
 767         if (dealloc && *(IUnknown **)arg)
 768             IUnknown_Release((LPUNKNOWN)*arg);
 769         return hres;
 770     case VT_VOID:
 771         if (debugout) TRACE_(olerelay)("<void>");
 772         return S_OK;
 773     case VT_USERDEFINED: {
 774         ITypeInfo       *tinfo2;
 775         TYPEATTR        *tattr;
 776
 777         hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.hreftype,&tinfo2);
 778         if (hres) {
 779             ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.hreftype);
 780             return hres;
 781         }
 782         ITypeInfo_GetTypeAttr(tinfo2,&tattr);
 783         switch (tattr->typekind) {
 784         case TKIND_DISPATCH:
 785         case TKIND_INTERFACE:
 786             if (writeit)
 787                hres=_marshal_interface(buf,&(tattr->guid),(LPUNKNOWN)arg);
 788             if (dealloc)
 789                 IUnknown_Release((LPUNKNOWN)arg);
 790             break;
 791         case TKIND_RECORD: {
 792             int i;
 793             if (debugout) TRACE_(olerelay)("{");
 794             for (i=0;i<tattr->cVars;i++) {
 795                 VARDESC *vdesc;
 796                 ELEMDESC *elem2;
 797                 TYPEDESC *tdesc2;
 798
 799                 hres = ITypeInfo2_GetVarDesc(tinfo2, i, &vdesc);
 800                 if (hres) {
 801                     ERR("Could not get vardesc of %d\n",i);
 802                     return hres;
 803                 }
 804                 elem2 = &vdesc->elemdescVar;
 805                 tdesc2 = &elem2->tdesc;
 806                 hres = serialize_param(
 807                     tinfo2,
 808                     writeit,
 809                     debugout,
 810                     dealloc,
 811                     tdesc2,
 812                     (DWORD*)(((LPBYTE)arg)+vdesc->u.oInst),
 813                     buf
 814                 );
 815                 ITypeInfo_ReleaseVarDesc(tinfo2, vdesc);
 816                 if (hres!=S_OK)
 817                     return hres;
 818                 if (debugout && (i<(tattr->cVars-1)))
 819                     TRACE_(olerelay)(",");
 820             }
 821             if (debugout) TRACE_(olerelay)("}");
 822             break;
 823         }
 824         case TKIND_ALIAS:
 825             hres = serialize_param(tinfo2,writeit,debugout,dealloc,&tattr->tdescAlias,arg,buf);
 826             break;
 827         case TKIND_ENUM:
 828             hres = S_OK;
 829             if (debugout) TRACE_(olerelay)("%x",*arg);
 830             if (writeit)
 831                 hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
 832             break;
 833         default:
 834             FIXME("Unhandled typekind %d\n",tattr->typekind);
 835             hres = E_FAIL;
 836             break;
 837         }
 838         ITypeInfo_ReleaseTypeAttr(tinfo2, tattr);
 839         ITypeInfo_Release(tinfo2);
 840         return hres;
 841     }
 842     case VT_CARRAY: {
 843         ARRAYDESC *adesc = tdesc->u.lpadesc;
 844         int i, arrsize = 1;
 845
 846         if (debugout) TRACE_(olerelay)("carr");
 847         for (i=0;i<adesc->cDims;i++) {
 848             if (debugout) TRACE_(olerelay)("[%d]",adesc->rgbounds[i].cElements);
 849             arrsize *= adesc->rgbounds[i].cElements;
 850         }
 851         if (debugout) TRACE_(olerelay)("(vt %s)",debugstr_vt(adesc->tdescElem.vt));
 852         if (debugout) TRACE_(olerelay)("[");
 853         for (i=0;i<arrsize;i++) {
 854             hres = serialize_param(tinfo, writeit, debugout, dealloc, &adesc->tdescElem, (DWORD*)((LPBYTE)arg+i*_xsize(&adesc->tdescElem, tinfo)), buf);
 855             if (hres)
 856                 return hres;
 857             if (debugout && (i<arrsize-1)) TRACE_(olerelay)(",");
 858         }
 859         if (debugout) TRACE_(olerelay)("]");
 860         return S_OK;
 861     }
 862     case VT_SAFEARRAY: {
 863         if (writeit)
 864         {
 865             ULONG flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
 866             ULONG size = LPSAFEARRAY_UserSize(&flags, buf->curoff, (LPSAFEARRAY *)arg);
 867             xbuf_resize(buf, size);
 868             LPSAFEARRAY_UserMarshal(&flags, buf->base + buf->curoff, (LPSAFEARRAY *)arg);
 869             buf->curoff = size;
 870         }
 871         return S_OK;
 872     }
 873     default:
 874         ERR("Unhandled marshal type %d.\n",tdesc->vt);
 875         return S_OK;
 876     }
 877 }
 878
 879 static HRESULT
 880 deserialize_param(
 881     ITypeInfo           *tinfo,
 882     BOOL                readit,
 883     BOOL                debugout,
 884     BOOL                alloc,
 885     TYPEDESC            *tdesc,
 886     DWORD               *arg,
 887     marshal_state       *buf)
 888 {
 889     HRESULT hres = S_OK;
 890
 891     TRACE("vt %s at %p\n",debugstr_vt(tdesc->vt),arg);
 892
 893     while (1) {
 894         switch (tdesc->vt) {
 895         case VT_EMPTY:
 896             if (debugout) TRACE_(olerelay)("<empty>\n");
 897             return S_OK;
 898         case VT_NULL:
 899             if (debugout) TRACE_(olerelay)("<null>\n");
 900             return S_OK;
 901         case VT_VARIANT: {
 902             VARIANT     *vt = (VARIANT*)arg;
 903
 904             if (readit) {
 905                 DWORD   vttype;
 906                 TYPEDESC        tdesc2;
 907                 hres = xbuf_get(buf,(LPBYTE)&vttype,sizeof(vttype));
 908                 if (hres) {
 909                     FIXME("vt type not read?\n");
 910                     return hres;
 911                 }
 912                 memset(&tdesc2,0,sizeof(tdesc2));
 913                 tdesc2.vt = vttype;
 914                 V_VT(vt)  = vttype;
 915                 if (debugout) TRACE_(olerelay)("Vt(%s%s)(",debugstr_vt(vttype),debugstr_vf(vttype));
 916                 hres = deserialize_param(tinfo, readit, debugout, alloc, &tdesc2, (DWORD*)&(V_I4(vt)), buf);
 917                 TRACE_(olerelay)(")");
 918                 return hres;
 919             } else {
 920                 VariantInit(vt);
 921                 return S_OK;
 922             }
 923         }
 924         case VT_I8:
 925         case VT_UI8:
 926         case VT_R8:
 927         case VT_CY:
 928             if (readit) {
 929                 hres = xbuf_get(buf,(LPBYTE)arg,8);
 930                 if (hres) ERR("Failed to read integer 8 byte\n");
 931             }
 932             if (debugout) TRACE_(olerelay)("%x%x",arg[0],arg[1]);
 933             return hres;
 934         case VT_ERROR:
 935         case VT_BOOL:
 936         case VT_I4:
 937         case VT_INT:
 938         case VT_UINT:
 939         case VT_R4:
 940         case VT_UI4:
 941             if (readit) {
 942                 hres = xbuf_get(buf,(LPBYTE)arg,sizeof(DWORD));
 943                 if (hres) ERR("Failed to read integer 4 byte\n");
 944             }
 945             if (debugout) TRACE_(olerelay)("%x",*arg);
 946             return hres;
 947         case VT_I2:
 948         case VT_UI2:
 949             if (readit) {
 950                 DWORD x;
 951                 hres = xbuf_get(buf,(LPBYTE)&x,sizeof(DWORD));
 952                 if (hres) ERR("Failed to read integer 4 byte\n");
 953                 memcpy(arg,&x,2);
 954             }
 955             if (debugout) TRACE_(olerelay)("%04x",*arg & 0xffff);
 956             return hres;
 957         case VT_I1:
 958         case VT_UI1:
 959             if (readit) {
 960                 DWORD x;
 961                 hres = xbuf_get(buf,(LPBYTE)&x,sizeof(DWORD));
 962                 if (hres) ERR("Failed to read integer 4 byte\n");
 963                 memcpy(arg,&x,1);
 964             }
 965             if (debugout) TRACE_(olerelay)("%02x",*arg & 0xff);
 966             return hres;
 967         case VT_I4|VT_BYREF:
 968             hres = S_OK;
 969             if (alloc)
 970                 *arg = (DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(DWORD));
 971             if (readit) {
 972                 hres = xbuf_get(buf,(LPBYTE)*arg,sizeof(DWORD));
 973                 if (hres) ERR("Failed to read integer 4 byte\n");
 974             }
 975             if (debugout) TRACE_(olerelay)("&0x%x",*(DWORD*)*arg);
 976             return hres;
 977         case VT_BSTR|VT_BYREF: {
 978             BSTR **bstr = (BSTR **)arg;
 979             WCHAR       *str;
 980             DWORD       len;
 981
 982             if (readit) {
 983                 hres = xbuf_get(buf,(LPBYTE)&len,sizeof(DWORD));
 984                 if (hres) {
 985                     ERR("failed to read bstr klen\n");
 986                     return hres;
 987                 }
 988                 if (len == -1) {
 989                     *bstr = CoTaskMemAlloc(sizeof(BSTR *));
 990                     **bstr = NULL;
 991                     if (debugout) TRACE_(olerelay)("<bstr NULL>");
 992                 } else {
 993                     str  = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,(len+1)*sizeof(WCHAR));
 994                     hres = xbuf_get(buf,(LPBYTE)str,len*sizeof(WCHAR));
 995                     if (hres) {
 996                         ERR("Failed to read BSTR.\n");
 997                         HeapFree(GetProcessHeap(),0,str);
 998                         return hres;
 999                     }
1000                     *bstr = CoTaskMemAlloc(sizeof(BSTR *));
1001                     **bstr = SysAllocStringLen(str,len);
1002                     if (debugout) TRACE_(olerelay)("%s",relaystr(str));
1003                     HeapFree(GetProcessHeap(),0,str);
1004                 }
1005             } else {
1006                 *bstr = NULL;
1007             }
1008             return S_OK;
1009         }
1010         case VT_BSTR: {
1011             WCHAR       *str;
1012             DWORD       len;
1013
1014             if (readit) {
1015                 hres = xbuf_get(buf,(LPBYTE)&len,sizeof(DWORD));
1016                 if (hres) {
1017                     ERR("failed to read bstr klen\n");
1018                     return hres;
1019                 }
1020                 if (len == -1) {
1021                     *arg = 0;
1022                     if (debugout) TRACE_(olerelay)("<bstr NULL>");
1023                 } else {
1024                     str  = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,(len+1)*sizeof(WCHAR));
1025                     hres = xbuf_get(buf,(LPBYTE)str,len*sizeof(WCHAR));
1026                     if (hres) {
1027                         ERR("Failed to read BSTR.\n");
1028                         HeapFree(GetProcessHeap(),0,str);
1029                         return hres;
1030                     }
1031                     *arg = (DWORD)SysAllocStringLen(str,len);
1032                     if (debugout) TRACE_(olerelay)("%s",relaystr(str));
1033                     HeapFree(GetProcessHeap(),0,str);
1034                 }
1035             } else {
1036                 *arg = 0;
1037             }
1038             return S_OK;
1039         }
1040         case VT_PTR: {
1041             DWORD       cookie;
1042             BOOL        derefhere = TRUE;
1043
1044             if (tdesc->u.lptdesc->vt == VT_USERDEFINED) {
1045                 ITypeInfo       *tinfo2;
1046                 TYPEATTR        *tattr;
1047
1048                 hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.lptdesc->u.hreftype,&tinfo2);
1049                 if (hres) {
1050                     ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.lptdesc->u.hreftype);
1051                     return hres;
1052                 }
1053                 ITypeInfo_GetTypeAttr(tinfo2,&tattr);
1054                 switch (tattr->typekind) {
1055                 case TKIND_ALIAS:
1056                     if (tattr->tdescAlias.vt == VT_USERDEFINED)
1057                     {
1058                         DWORD href = tattr->tdescAlias.u.hreftype;
1059                         ITypeInfo_ReleaseTypeAttr(tinfo, tattr);
1060                         ITypeInfo_Release(tinfo2);
1061                         hres = ITypeInfo_GetRefTypeInfo(tinfo,href,&tinfo2);
1062                         if (hres) {
1063                             ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.lptdesc->u.hreftype);
1064                             return hres;
1065                         }
1066                         ITypeInfo_GetTypeAttr(tinfo2,&tattr);
1067                         derefhere = (tattr->typekind != TKIND_DISPATCH && tattr->typekind != TKIND_INTERFACE);
1068                     }
1069                     break;
1070                 case TKIND_ENUM:        /* confirmed */
1071                 case TKIND_RECORD:      /* FIXME: mostly untested */
1072                     break;
1073                 case TKIND_DISPATCH:    /* will be done in VT_USERDEFINED case */
1074                 case TKIND_INTERFACE:   /* will be done in VT_USERDEFINED case */
1075                     derefhere=FALSE;
1076                     break;
1077                 default:
1078                     FIXME("unhandled switch cases tattr->typekind %d\n", tattr->typekind);
1079                     derefhere=FALSE;
1080                     break;
1081                 }
1082                 ITypeInfo_ReleaseTypeAttr(tinfo2, tattr);
1083                 ITypeInfo_Release(tinfo2);
1084             }
1085             /* read it in all cases, we need to know if we have
1086              * NULL pointer or not.
1087              */
1088             hres = xbuf_get(buf,(LPBYTE)&cookie,sizeof(cookie));
1089             if (hres) {
1090                 ERR("Failed to load pointer cookie.\n");
1091                 return hres;
1092             }
1093             if (cookie != 0x42424242) {
1094                 /* we read a NULL ptr from the remote side */
1095                 if (debugout) TRACE_(olerelay)("NULL");
1096                 *arg = 0;
1097                 return S_OK;
1098             }
1099             if (debugout) TRACE_(olerelay)("*");
1100             if (alloc) {
1101                 /* Allocate space for the referenced struct */
1102                 if (derefhere)
1103                     *arg=(DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,_xsize(tdesc->u.lptdesc, tinfo));
1104             }
1105             if (derefhere)
1106                 return deserialize_param(tinfo, readit, debugout, alloc, tdesc->u.lptdesc, (LPDWORD)*arg, buf);
1107             else
1108                 return deserialize_param(tinfo, readit, debugout, alloc, tdesc->u.lptdesc, arg, buf);
1109         }
1110         case VT_UNKNOWN:
1111             /* FIXME: UNKNOWN is unknown ..., but allocate 4 byte for it */
1112             if (alloc)
1113                 *arg=(DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(DWORD));
1114             hres = S_OK;
1115             if (readit)
1116                 hres = _unmarshal_interface(buf,&IID_IUnknown,(LPUNKNOWN*)arg);
1117             if (debugout)
1118                 TRACE_(olerelay)("unk(%p)",arg);
1119             return hres;
1120         case VT_DISPATCH:
1121             hres = S_OK;
1122             if (readit)
1123                 hres = _unmarshal_interface(buf,&IID_IDispatch,(LPUNKNOWN*)arg);
1124             if (debugout)
1125                 TRACE_(olerelay)("idisp(%p)",arg);
1126             return hres;
1127         case VT_VOID:
1128             if (debugout) TRACE_(olerelay)("<void>");
1129             return S_OK;
1130         case VT_USERDEFINED: {
1131             ITypeInfo   *tinfo2;
1132             TYPEATTR    *tattr;
1133
1134             hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.hreftype,&tinfo2);
1135             if (hres) {
1136                 ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.hreftype);
1137                 return hres;
1138             }
1139             hres = ITypeInfo_GetTypeAttr(tinfo2,&tattr);
1140             if (hres) {
1141                 ERR("Could not get typeattr in VT_USERDEFINED.\n");
1142             } else {
1143                 switch (tattr->typekind) {
1144                 case TKIND_DISPATCH:
1145                 case TKIND_INTERFACE:
1146                     if (readit)
1147                         hres = _unmarshal_interface(buf,&(tattr->guid),(LPUNKNOWN*)arg);
1148                     break;
1149                 case TKIND_RECORD: {
1150                     int i;
1151
1152                     if (alloc)
1153                         *arg = (DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,tattr->cbSizeInstance);
1154
1155                     if (debugout) TRACE_(olerelay)("{");
1156                     for (i=0;i<tattr->cVars;i++) {
1157                         VARDESC *vdesc;
1158
1159                         hres = ITypeInfo2_GetVarDesc(tinfo2, i, &vdesc);
1160                         if (hres) {
1161                             ERR("Could not get vardesc of %d\n",i);
1162                             ITypeInfo_ReleaseTypeAttr(tinfo2, tattr);
1163                             ITypeInfo_Release(tinfo2);
1164                             return hres;
1165                         }
1166                         hres = deserialize_param(
1167                             tinfo2,
1168                             readit,
1169                             debugout,
1170                             alloc,
1171                             &vdesc->elemdescVar.tdesc,
1172                             (DWORD*)(((LPBYTE)*arg)+vdesc->u.oInst),
1173                             buf
1174                         );
1175                         ITypeInfo2_ReleaseVarDesc(tinfo2, vdesc);
1176                         if (debugout && (i<tattr->cVars-1)) TRACE_(olerelay)(",");
1177                     }
1178                     if (debugout) TRACE_(olerelay)("}");
1179                     break;
1180                 }
1181                 case TKIND_ALIAS:
1182                     hres = deserialize_param(tinfo2,readit,debugout,alloc,&tattr->tdescAlias,arg,buf);
1183                     break;
1184                 case TKIND_ENUM:
1185                     if (readit) {
1186                         hres = xbuf_get(buf,(LPBYTE)arg,sizeof(DWORD));
1187                         if (hres) ERR("Failed to read enum (4 byte)\n");
1188                     }
1189                     if (debugout) TRACE_(olerelay)("%x",*arg);
1190                     break;
1191                 default:
1192                     ERR("Unhandled typekind %d\n",tattr->typekind);
1193                     hres = E_FAIL;
1194                     break;
1195                 }
1196                 ITypeInfo_ReleaseTypeAttr(tinfo2, tattr);
1197             }
1198             if (hres)
1199                 ERR("failed to stuballoc in TKIND_RECORD.\n");
1200             ITypeInfo_Release(tinfo2);
1201             return hres;
1202         }
1203         case VT_CARRAY: {
1204             /* arg is pointing to the start of the array. */
1205             ARRAYDESC *adesc = tdesc->u.lpadesc;
1206             int         arrsize,i;
1207             arrsize = 1;
1208             if (adesc->cDims > 1) FIXME("cDims > 1 in VT_CARRAY. Does it work?\n");
1209             for (i=0;i<adesc->cDims;i++)
1210                 arrsize *= adesc->rgbounds[i].cElements;
1211             for (i=0;i<arrsize;i++)
1212                 deserialize_param(
1213                     tinfo,
1214                     readit,
1215                     debugout,
1216                     alloc,
1217                     &adesc->tdescElem,
1218                     (DWORD*)((LPBYTE)(arg)+i*_xsize(&adesc->tdescElem, tinfo)),
1219                     buf
1220                 );
1221             return S_OK;
1222         }
1223     case VT_SAFEARRAY: {
1224             if (readit)
1225             {
1226                 ULONG flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
1227                 unsigned char *buffer;
1228                 buffer = LPSAFEARRAY_UserUnmarshal(&flags, buf->base + buf->curoff, (LPSAFEARRAY *)arg);
1229                 buf->curoff = buffer - buf->base;
1230             }
1231             return S_OK;
1232         }
1233         default:
1234             ERR("No handler for VT type %d!\n",tdesc->vt);
1235             return S_OK;
1236         }
1237     }
1238 }
1239
1240 /* Retrieves a function's funcdesc, searching back into inherited interfaces. */
1241 static HRESULT get_funcdesc(ITypeInfo *tinfo, int iMethod, ITypeInfo **tactual, const FUNCDESC **fdesc,
1242                             BSTR *iname, BSTR *fname, UINT *num)
1243 {
1244     HRESULT hr;
1245     UINT i, impl_types;
1246     UINT inherited_funcs = 0;
1247     TYPEATTR *attr;
1248
1249     if (fname) *fname = NULL;
1250     if (iname) *iname = NULL;
1251     if (num) *num = 0;
1252     *tactual = NULL;
1253
1254     hr = ITypeInfo_GetTypeAttr(tinfo, &attr);
1255     if (FAILED(hr))
1256     {
1257         ERR("GetTypeAttr failed with %x\n",hr);
1258         return hr;
1259     }
1260
1261     if(attr->typekind == TKIND_DISPATCH)
1262     {
1263         if(attr->wTypeFlags & TYPEFLAG_FDUAL)
1264         {
1265             HREFTYPE href;
1266             ITypeInfo *tinfo2;
1267
1268             hr = ITypeInfo_GetRefTypeOfImplType(tinfo, -1, &href);
1269             if(FAILED(hr))
1270             {
1271                 ERR("Cannot get interface href from dual dispinterface\n");
1272                 ITypeInfo_ReleaseTypeAttr(tinfo, attr);
1273                 return hr;
1274             }
1275             hr = ITypeInfo_GetRefTypeInfo(tinfo, href, &tinfo2);
1276             if(FAILED(hr))
1277             {
1278                 ERR("Cannot get interface from dual dispinterface\n");
1279                 ITypeInfo_ReleaseTypeAttr(tinfo, attr);
1280                 return hr;
1281             }
1282             hr = get_funcdesc(tinfo2, iMethod, tactual, fdesc, iname, fname, num);
1283             ITypeInfo_Release(tinfo2);
1284             ITypeInfo_ReleaseTypeAttr(tinfo, attr);
1285             return hr;
1286         }
1287         ERR("Shouldn't be called with a non-dual dispinterface\n");
1288         return E_FAIL;
1289     }
1290
1291     impl_types = attr->cImplTypes;
1292     ITypeInfo_ReleaseTypeAttr(tinfo, attr);
1293
1294     for (i = 0; i < impl_types; i++)
1295     {
1296         HREFTYPE href;
1297         ITypeInfo *pSubTypeInfo;
1298         UINT sub_funcs;
1299
1300         hr = ITypeInfo_GetRefTypeOfImplType(tinfo, i, &href);
1301         if (FAILED(hr)) return hr;
1302         hr = ITypeInfo_GetRefTypeInfo(tinfo, href, &pSubTypeInfo);
1303         if (FAILED(hr)) return hr;
1304
1305         hr = get_funcdesc(pSubTypeInfo, iMethod, tactual, fdesc, iname, fname, &sub_funcs);
1306         inherited_funcs += sub_funcs;
1307         ITypeInfo_Release(pSubTypeInfo);
1308         if(SUCCEEDED(hr)) return hr;
1309     }
1310     if(iMethod < inherited_funcs)
1311     {
1312         ERR("shouldn't be here\n");
1313         return E_INVALIDARG;
1314     }
1315
1316     for(i = inherited_funcs; i <= iMethod; i++)
1317     {
1318         hr = ITypeInfoImpl_GetInternalFuncDesc(tinfo, i - inherited_funcs, fdesc);
1319         if(FAILED(hr))
1320         {
1321             if(num) *num = i;
1322             return hr;
1323         }
1324     }
1325
1326     /* found it. We don't care about num so zero it */
1327     if(num) *num = 0;
1328     *tactual = tinfo;
1329     ITypeInfo_AddRef(*tactual);
1330     if (fname) ITypeInfo_GetDocumentation(tinfo,(*fdesc)->memid,fname,NULL,NULL,NULL);
1331     if (iname) ITypeInfo_GetDocumentation(tinfo,-1,iname,NULL,NULL,NULL);
1332     return S_OK;
1333 }
1334
1335 static inline BOOL is_in_elem(const ELEMDESC *elem)
1336 {
1337     return (elem->u.paramdesc.wParamFlags & PARAMFLAG_FIN || !elem->u.paramdesc.wParamFlags);
1338 }
1339
1340 static inline BOOL is_out_elem(const ELEMDESC *elem)
1341 {
1342     return (elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT || !elem->u.paramdesc.wParamFlags);
1343 }
1344
1345 static DWORD
1346 xCall(LPVOID retptr, int method, TMProxyImpl *tpinfo /*, args */)
1347 {
1348     DWORD               *args = ((DWORD*)&tpinfo)+1, *xargs;
1349     const FUNCDESC      *fdesc;
1350     HRESULT             hres;
1351     int                 i, relaydeb = TRACE_ON(olerelay);
1352     marshal_state       buf;
1353     RPCOLEMESSAGE       msg;
1354     ULONG               status;
1355     BSTR                fname,iname;
1356     BSTR                names[10];
1357     UINT                nrofnames;
1358     DWORD               remoteresult = 0;
1359     ITypeInfo           *tinfo;
1360     IRpcChannelBuffer *chanbuf;
1361
1362     EnterCriticalSection(&tpinfo->crit);
1363
1364     hres = get_funcdesc(tpinfo->tinfo,method,&tinfo,&fdesc,&iname,&fname,NULL);
1365     if (hres) {
1366         ERR("Did not find typeinfo/funcdesc entry for method %d!\n",method);
1367         LeaveCriticalSection(&tpinfo->crit);
1368         return E_FAIL;
1369     }
1370
1371     if (!tpinfo->chanbuf)
1372     {
1373         WARN("Tried to use disconnected proxy\n");
1374         ITypeInfo_Release(tinfo);
1375         LeaveCriticalSection(&tpinfo->crit);
1376         return RPC_E_DISCONNECTED;
1377     }
1378     chanbuf = tpinfo->chanbuf;
1379     IRpcChannelBuffer_AddRef(chanbuf);
1380
1381     LeaveCriticalSection(&tpinfo->crit);
1382
1383     if (relaydeb) {
1384        TRACE_(olerelay)("->");
1385         if (iname)
1386             TRACE_(olerelay)("%s:",relaystr(iname));
1387         if (fname)
1388             TRACE_(olerelay)("%s(%d)",relaystr(fname),method);
1389         else
1390             TRACE_(olerelay)("%d",method);
1391         TRACE_(olerelay)("(");
1392     }
1393
1394     if (iname) SysFreeString(iname);
1395     if (fname) SysFreeString(fname);
1396
1397     memset(&buf,0,sizeof(buf));
1398
1399     /* normal typelib driven serializing */
1400
1401     /* Need them for hack below */
1402     memset(names,0,sizeof(names));
1403     if (ITypeInfo_GetNames(tinfo,fdesc->memid,names,sizeof(names)/sizeof(names[0]),&nrofnames))
1404         nrofnames = 0;
1405     if (nrofnames > sizeof(names)/sizeof(names[0]))
1406         ERR("Need more names!\n");
1407
1408     xargs = args;
1409     for (i=0;i<fdesc->cParams;i++) {
1410         ELEMDESC        *elem = fdesc->lprgelemdescParam+i;
1411         if (relaydeb) {
1412             if (i) TRACE_(olerelay)(",");
1413             if (i+1<nrofnames && names[i+1])
1414                 TRACE_(olerelay)("%s=",relaystr(names[i+1]));
1415         }
1416         /* No need to marshal other data than FIN and any VT_PTR. */
1417         if (!is_in_elem(elem) && (elem->tdesc.vt != VT_PTR)) {
1418             xargs+=_argsize(&elem->tdesc, tinfo);
1419             if (relaydeb) TRACE_(olerelay)("[out]");
1420             continue;
1421         }
1422         hres = serialize_param(
1423             tinfo,
1424             is_in_elem(elem),
1425             relaydeb,
1426             FALSE,
1427             &elem->tdesc,
1428             xargs,
1429             &buf
1430         );
1431
1432         if (hres) {
1433             ERR("Failed to serialize param, hres %x\n",hres);
1434             break;
1435         }
1436         xargs+=_argsize(&elem->tdesc, tinfo);
1437     }
1438     if (relaydeb) TRACE_(olerelay)(")");
1439
1440     memset(&msg,0,sizeof(msg));
1441     msg.cbBuffer = buf.curoff;
1442     msg.iMethod  = method;
1443     hres = IRpcChannelBuffer_GetBuffer(chanbuf,&msg,&(tpinfo->iid));
1444     if (hres) {
1445         ERR("RpcChannelBuffer GetBuffer failed, %x\n",hres);
1446         goto exit;
1447     }
1448     memcpy(msg.Buffer,buf.base,buf.curoff);
1449     if (relaydeb) TRACE_(olerelay)("\n");
1450     hres = IRpcChannelBuffer_SendReceive(chanbuf,&msg,&status);
1451     if (hres) {
1452         ERR("RpcChannelBuffer SendReceive failed, %x\n",hres);
1453         goto exit;
1454     }
1455
1456     if (relaydeb) TRACE_(olerelay)(" status = %08x (",status);
1457     if (buf.base)
1458         buf.base = HeapReAlloc(GetProcessHeap(),0,buf.base,msg.cbBuffer);
1459     else
1460         buf.base = HeapAlloc(GetProcessHeap(),0,msg.cbBuffer);
1461     buf.size = msg.cbBuffer;
1462     memcpy(buf.base,msg.Buffer,buf.size);
1463     buf.curoff = 0;
1464
1465     /* generic deserializer using typelib description */
1466     xargs = args;
1467     status = S_OK;
1468     for (i=0;i<fdesc->cParams;i++) {
1469         ELEMDESC        *elem = fdesc->lprgelemdescParam+i;
1470
1471         if (relaydeb) {
1472             if (i) TRACE_(olerelay)(",");
1473             if (i+1<nrofnames && names[i+1]) TRACE_(olerelay)("%s=",relaystr(names[i+1]));
1474         }
1475         /* No need to marshal other data than FOUT and any VT_PTR */
1476         if (!is_out_elem(elem) && (elem->tdesc.vt != VT_PTR)) {
1477             xargs += _argsize(&elem->tdesc, tinfo);
1478             if (relaydeb) TRACE_(olerelay)("[in]");
1479             continue;
1480         }
1481         hres = deserialize_param(
1482             tinfo,
1483             is_out_elem(elem),
1484             relaydeb,
1485             FALSE,
1486             &(elem->tdesc),
1487             xargs,
1488             &buf
1489         );
1490         if (hres) {
1491             ERR("Failed to unmarshall param, hres %x\n",hres);
1492             status = hres;
1493             break;
1494         }
1495         xargs += _argsize(&elem->tdesc, tinfo);
1496     }
1497
1498     hres = xbuf_get(&buf, (LPBYTE)&remoteresult, sizeof(DWORD));
1499     if (hres != S_OK)
1500         goto exit;
1501     if (relaydeb) TRACE_(olerelay)(") = %08x\n", remoteresult);
1502
1503     hres = remoteresult;
1504
1505 exit:
1506     IRpcChannelBuffer_FreeBuffer(chanbuf,&msg);
1507     for (i = 0; i < nrofnames; i++)
1508         SysFreeString(names[i]);
1509     HeapFree(GetProcessHeap(),0,buf.base);
1510     IRpcChannelBuffer_Release(chanbuf);
1511     ITypeInfo_Release(tinfo);
1512     TRACE("-- 0x%08x\n", hres);
1513     return hres;
1514 }
1515
1516 static HRESULT WINAPI ProxyIUnknown_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
1517 {
1518     TMProxyImpl *proxy = (TMProxyImpl *)iface;
1519
1520     TRACE("(%s, %p)\n", debugstr_guid(riid), ppv);
1521
1522     if (proxy->outerunknown)
1523         return IUnknown_QueryInterface(proxy->outerunknown, riid, ppv);
1524
1525     FIXME("No interface\n");
1526     return E_NOINTERFACE;
1527 }
1528
1529 static ULONG WINAPI ProxyIUnknown_AddRef(IUnknown *iface)
1530 {
1531     TMProxyImpl *proxy = (TMProxyImpl *)iface;
1532
1533     TRACE("\n");
1534
1535     if (proxy->outerunknown)
1536         return IUnknown_AddRef(proxy->outerunknown);
1537
1538     return 2; /* FIXME */
1539 }
1540
1541 static ULONG WINAPI ProxyIUnknown_Release(IUnknown *iface)
1542 {
1543     TMProxyImpl *proxy = (TMProxyImpl *)iface;
1544
1545     TRACE("\n");
1546
1547     if (proxy->outerunknown)
1548         return IUnknown_Release(proxy->outerunknown);
1549
1550     return 1; /* FIXME */
1551 }
1552
1553 static HRESULT WINAPI ProxyIDispatch_GetTypeInfoCount(LPDISPATCH iface, UINT * pctinfo)
1554 {
1555     TMProxyImpl *This = (TMProxyImpl *)iface;
1556
1557     TRACE("(%p)\n", pctinfo);
1558
1559     return IDispatch_GetTypeInfoCount(This->dispatch, pctinfo);
1560 }
1561
1562 static HRESULT WINAPI ProxyIDispatch_GetTypeInfo(LPDISPATCH iface, UINT iTInfo, LCID lcid, ITypeInfo** ppTInfo)
1563 {
1564     TMProxyImpl *This = (TMProxyImpl *)iface;
1565
1566     TRACE("(%d, %x, %p)\n", iTInfo, lcid, ppTInfo);
1567
1568     return IDispatch_GetTypeInfo(This->dispatch, iTInfo, lcid, ppTInfo);
1569 }
1570
1571 static HRESULT WINAPI ProxyIDispatch_GetIDsOfNames(LPDISPATCH iface, REFIID riid, LPOLESTR * rgszNames, UINT cNames, LCID lcid, DISPID * rgDispId)
1572 {
1573     TMProxyImpl *This = (TMProxyImpl *)iface;
1574
1575     TRACE("(%s, %p, %d, 0x%x, %p)\n", debugstr_guid(riid), rgszNames, cNames, lcid, rgDispId);
1576
1577     return IDispatch_GetIDsOfNames(This->dispatch, riid, rgszNames,
1578                                    cNames, lcid, rgDispId);
1579 }
1580
1581 static HRESULT WINAPI ProxyIDispatch_Invoke(LPDISPATCH iface, DISPID dispIdMember, REFIID riid, LCID lcid,
1582                                             WORD wFlags, DISPPARAMS * pDispParams, VARIANT * pVarResult,
1583                                             EXCEPINFO * pExcepInfo, UINT * puArgErr)
1584 {
1585     TMProxyImpl *This = (TMProxyImpl *)iface;
1586
1587     TRACE("(%d, %s, 0x%x, 0x%x, %p, %p, %p, %p)\n", dispIdMember,
1588           debugstr_guid(riid), lcid, wFlags, pDispParams, pVarResult,
1589           pExcepInfo, puArgErr);
1590
1591     return IDispatch_Invoke(This->dispatch, dispIdMember, riid, lcid,
1592                             wFlags, pDispParams, pVarResult, pExcepInfo,
1593                             puArgErr);
1594 }
1595
1596 typedef struct
1597 {
1598     const IRpcChannelBufferVtbl *lpVtbl;
1599     LONG                  refs;
1600     /* the IDispatch-derived interface we are handling */
1601         IID                   tmarshal_iid;
1602     IRpcChannelBuffer    *pDelegateChannel;
1603 } TMarshalDispatchChannel;
1604
1605 static HRESULT WINAPI TMarshalDispatchChannel_QueryInterface(LPRPCCHANNELBUFFER iface, REFIID riid, LPVOID *ppv)
1606 {
1607     *ppv = NULL;
1608     if (IsEqualIID(riid,&IID_IRpcChannelBuffer) || IsEqualIID(riid,&IID_IUnknown))
1609     {
1610         *ppv = (LPVOID)iface;
1611         IUnknown_AddRef(iface);
1612         return S_OK;
1613     }
1614     return E_NOINTERFACE;
1615 }
1616
1617 static ULONG WINAPI TMarshalDispatchChannel_AddRef(LPRPCCHANNELBUFFER iface)
1618 {
1619     TMarshalDispatchChannel *This = (TMarshalDispatchChannel *)iface;
1620     return InterlockedIncrement(&This->refs);
1621 }
1622
1623 static ULONG WINAPI TMarshalDispatchChannel_Release(LPRPCCHANNELBUFFER iface)
1624 {
1625     TMarshalDispatchChannel *This = (TMarshalDispatchChannel *)iface;
1626     ULONG ref;
1627
1628     ref = InterlockedDecrement(&This->refs);
1629     if (ref)
1630         return ref;
1631
1632         IRpcChannelBuffer_Release(This->pDelegateChannel);
1633     HeapFree(GetProcessHeap(), 0, This);
1634     return 0;
1635 }
1636
1637 static HRESULT WINAPI TMarshalDispatchChannel_GetBuffer(LPRPCCHANNELBUFFER iface, RPCOLEMESSAGE* olemsg, REFIID riid)
1638 {
1639     TMarshalDispatchChannel *This = (TMarshalDispatchChannel *)iface;
1640     TRACE("(%p, %s)\n", olemsg, debugstr_guid(riid));
1641     /* Note: we are pretending to invoke a method on the interface identified
1642      * by tmarshal_iid so that we can re-use the IDispatch proxy/stub code
1643      * without the RPC runtime getting confused by not exporting an IDispatch interface */
1644     return IRpcChannelBuffer_GetBuffer(This->pDelegateChannel, olemsg, &This->tmarshal_iid);
1645 }
1646
1647 static HRESULT WINAPI TMarshalDispatchChannel_SendReceive(LPRPCCHANNELBUFFER iface, RPCOLEMESSAGE *olemsg, ULONG *pstatus)
1648 {
1649     TMarshalDispatchChannel *This = (TMarshalDispatchChannel *)iface;
1650     TRACE("(%p, %p)\n", olemsg, pstatus);
1651     return IRpcChannelBuffer_SendReceive(This->pDelegateChannel, olemsg, pstatus);
1652 }
1653
1654 static HRESULT WINAPI TMarshalDispatchChannel_FreeBuffer(LPRPCCHANNELBUFFER iface, RPCOLEMESSAGE* olemsg)
1655 {
1656     TMarshalDispatchChannel *This = (TMarshalDispatchChannel *)iface;
1657     TRACE("(%p)\n", olemsg);
1658     return IRpcChannelBuffer_FreeBuffer(This->pDelegateChannel, olemsg);
1659 }
1660
1661 static HRESULT WINAPI TMarshalDispatchChannel_GetDestCtx(LPRPCCHANNELBUFFER iface, DWORD* pdwDestContext, void** ppvDestContext)
1662 {
1663     TMarshalDispatchChannel *This = (TMarshalDispatchChannel *)iface;
1664     TRACE("(%p,%p)\n", pdwDestContext, ppvDestContext);
1665     return IRpcChannelBuffer_GetDestCtx(This->pDelegateChannel, pdwDestContext, ppvDestContext);
1666 }
1667
1668 static HRESULT WINAPI TMarshalDispatchChannel_IsConnected(LPRPCCHANNELBUFFER iface)
1669 {
1670     TMarshalDispatchChannel *This = (TMarshalDispatchChannel *)iface;
1671     TRACE("()\n");
1672     return IRpcChannelBuffer_IsConnected(This->pDelegateChannel);
1673 }
1674
1675 static const IRpcChannelBufferVtbl TMarshalDispatchChannelVtbl =
1676 {
1677     TMarshalDispatchChannel_QueryInterface,
1678     TMarshalDispatchChannel_AddRef,
1679     TMarshalDispatchChannel_Release,
1680     TMarshalDispatchChannel_GetBuffer,
1681     TMarshalDispatchChannel_SendReceive,
1682     TMarshalDispatchChannel_FreeBuffer,
1683     TMarshalDispatchChannel_GetDestCtx,
1684     TMarshalDispatchChannel_IsConnected
1685 };
1686
1687 static HRESULT TMarshalDispatchChannel_Create(
1688     IRpcChannelBuffer *pDelegateChannel, REFIID tmarshal_riid,
1689     IRpcChannelBuffer **ppChannel)
1690 {
1691     TMarshalDispatchChannel *This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
1692     if (!This)
1693         return E_OUTOFMEMORY;
1694
1695     This->lpVtbl = &TMarshalDispatchChannelVtbl;
1696     This->refs = 1;
1697     IRpcChannelBuffer_AddRef(pDelegateChannel);
1698     This->pDelegateChannel = pDelegateChannel;
1699     This->tmarshal_iid = *tmarshal_riid;
1700
1701     *ppChannel = (IRpcChannelBuffer *)&This->lpVtbl;
1702     return S_OK;
1703 }
1704
1705
1706 static inline HRESULT get_facbuf_for_iid(REFIID riid, IPSFactoryBuffer **facbuf)
1707 {
1708     HRESULT       hr;
1709     CLSID         clsid;
1710
1711     if ((hr = CoGetPSClsid(riid, &clsid)))
1712         return hr;
1713     return CoGetClassObject(&clsid, CLSCTX_INPROC_SERVER, NULL,
1714                              &IID_IPSFactoryBuffer, (LPVOID*)facbuf);
1715 }
1716
1717 static HRESULT init_proxy_entry_point(TMProxyImpl *proxy, unsigned int num)
1718 {
1719     int j;
1720     /* nrofargs without This */
1721     int nrofargs;
1722     ITypeInfo *tinfo2;
1723     TMAsmProxy  *xasm = proxy->asmstubs + num;
1724     HRESULT hres;
1725     const FUNCDESC *fdesc;
1726
1727     hres = get_funcdesc(proxy->tinfo, num, &tinfo2, &fdesc, NULL, NULL, NULL);
1728     if (hres) {
1729         ERR("GetFuncDesc %x should not fail here.\n",hres);
1730         return hres;
1731     }
1732     ITypeInfo_Release(tinfo2);
1733     /* some args take more than 4 byte on the stack */
1734     nrofargs = 0;
1735     for (j=0;j<fdesc->cParams;j++)
1736         nrofargs += _argsize(&fdesc->lprgelemdescParam[j].tdesc, proxy->tinfo);
1737
1738 #ifdef __i386__
1739     if (fdesc->callconv != CC_STDCALL) {
1740         ERR("calling convention is not stdcall????\n");
1741         return E_FAIL;
1742     }
1743 /* popl %eax    -       return ptr
1744  * pushl <nr>
1745  * pushl %eax
1746  * call xCall
1747  * lret <nr> (+4)
1748  *
1749  *
1750  * arg3 arg2 arg1 <method> <returnptr>
1751  */
1752     xasm->popleax       = 0x58;
1753     xasm->pushlval      = 0x68;
1754     xasm->nr            = num;
1755     xasm->pushleax      = 0x50;
1756     xasm->lcall         = 0xe8; /* relative jump */
1757     xasm->xcall         = (DWORD)xCall;
1758     xasm->xcall        -= (DWORD)&(xasm->lret);
1759     xasm->lret          = 0xc2;
1760     xasm->bytestopop    = (nrofargs+2)*4; /* pop args, This, iMethod */
1761     xasm->nop           = 0x90;
1762     proxy->lpvtbl[num]  = xasm;
1763 #else
1764     FIXME("not implemented on non i386\n");
1765     return E_FAIL;
1766 #endif
1767     return S_OK;
1768 }
1769
1770 static HRESULT WINAPI
1771 PSFacBuf_CreateProxy(
1772     LPPSFACTORYBUFFER iface, IUnknown* pUnkOuter, REFIID riid,
1773     IRpcProxyBuffer **ppProxy, LPVOID *ppv)
1774 {
1775     HRESULT     hres;
1776     ITypeInfo   *tinfo;
1777     unsigned int i, nroffuncs;
1778     TMProxyImpl *proxy;
1779     TYPEATTR    *typeattr;
1780     BOOL        defer_to_dispatch = FALSE;
1781
1782     TRACE("(...%s...)\n",debugstr_guid(riid));
1783     hres = _get_typeinfo_for_iid(riid,&tinfo);
1784     if (hres) {
1785         ERR("No typeinfo for %s?\n",debugstr_guid(riid));
1786         return hres;
1787     }
1788
1789     hres = num_of_funcs(tinfo, &nroffuncs);
1790     if (FAILED(hres)) {
1791         ERR("Cannot get number of functions for typeinfo %s\n",debugstr_guid(riid));
1792         ITypeInfo_Release(tinfo);
1793         return hres;
1794     }
1795
1796     proxy = CoTaskMemAlloc(sizeof(TMProxyImpl));
1797     if (!proxy) return E_OUTOFMEMORY;
1798
1799     assert(sizeof(TMAsmProxy) == 16);
1800
1801     proxy->dispatch = NULL;
1802     proxy->dispatch_proxy = NULL;
1803     proxy->outerunknown = pUnkOuter;
1804     proxy->asmstubs = VirtualAlloc(NULL, sizeof(TMAsmProxy) * nroffuncs, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
1805     if (!proxy->asmstubs) {
1806         ERR("Could not commit pages for proxy thunks\n");
1807         CoTaskMemFree(proxy);
1808         return E_OUTOFMEMORY;
1809     }
1810     proxy->lpvtbl2      = &tmproxyvtable;
1811     /* one reference for the proxy */
1812     proxy->ref          = 1;
1813     proxy->tinfo        = tinfo;
1814     proxy->iid          = *riid;
1815     proxy->chanbuf      = 0;
1816
1817     InitializeCriticalSection(&proxy->crit);
1818     proxy->crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": TMProxyImpl.crit");
1819
1820     proxy->lpvtbl = HeapAlloc(GetProcessHeap(),0,sizeof(LPBYTE)*nroffuncs);
1821
1822     /* if we derive from IDispatch then defer to its proxy for its methods */
1823     hres = ITypeInfo_GetTypeAttr(tinfo, &typeattr);
1824     if (hres == S_OK)
1825     {
1826         if (typeattr->wTypeFlags & TYPEFLAG_FDISPATCHABLE)
1827         {
1828             IPSFactoryBuffer *factory_buffer;
1829             hres = get_facbuf_for_iid(&IID_IDispatch, &factory_buffer);
1830             if (hres == S_OK)
1831             {
1832                 hres = IPSFactoryBuffer_CreateProxy(factory_buffer, NULL,
1833                     &IID_IDispatch, &proxy->dispatch_proxy,
1834                     (void **)&proxy->dispatch);
1835                 IPSFactoryBuffer_Release(factory_buffer);
1836             }
1837             if ((hres == S_OK) && (nroffuncs < 7))
1838             {
1839                 ERR("nroffuncs calculated incorrectly (%d)\n", nroffuncs);
1840                 hres = E_UNEXPECTED;
1841             }
1842             if (hres == S_OK)
1843             {
1844                 defer_to_dispatch = TRUE;
1845             }
1846         }
1847         ITypeInfo_ReleaseTypeAttr(tinfo, typeattr);
1848     }
1849
1850     for (i=0;i<nroffuncs;i++) {
1851         switch (i) {
1852         case 0:
1853                 proxy->lpvtbl[i] = ProxyIUnknown_QueryInterface;
1854                 break;
1855         case 1:
1856                 proxy->lpvtbl[i] = ProxyIUnknown_AddRef;
1857                 break;
1858         case 2:
1859                 proxy->lpvtbl[i] = ProxyIUnknown_Release;
1860                 break;
1861         case 3:
1862                 if(!defer_to_dispatch)
1863                 {
1864                     hres = init_proxy_entry_point(proxy, i);
1865                     if(FAILED(hres)) return hres;
1866                 }
1867                 else proxy->lpvtbl[3] = ProxyIDispatch_GetTypeInfoCount;
1868                 break;
1869         case 4:
1870                 if(!defer_to_dispatch)
1871                 {
1872                     hres = init_proxy_entry_point(proxy, i);
1873                     if(FAILED(hres)) return hres;
1874                 }
1875                 else proxy->lpvtbl[4] = ProxyIDispatch_GetTypeInfo;
1876                 break;
1877         case 5:
1878                 if(!defer_to_dispatch)
1879                 {
1880                     hres = init_proxy_entry_point(proxy, i);
1881                     if(FAILED(hres)) return hres;
1882                 }
1883                 else proxy->lpvtbl[5] = ProxyIDispatch_GetIDsOfNames;
1884                 break;
1885         case 6:
1886                 if(!defer_to_dispatch)
1887                 {
1888                     hres = init_proxy_entry_point(proxy, i);
1889                     if(FAILED(hres)) return hres;
1890                 }
1891                 else proxy->lpvtbl[6] = ProxyIDispatch_Invoke;
1892                 break;
1893         default:
1894                 hres = init_proxy_entry_point(proxy, i);
1895                 if(FAILED(hres)) return hres;
1896         }
1897     }
1898
1899     if (hres == S_OK)
1900     {
1901         *ppv            = (LPVOID)proxy;
1902         *ppProxy                = (IRpcProxyBuffer *)&(proxy->lpvtbl2);
1903         IUnknown_AddRef((IUnknown *)*ppv);
1904         return S_OK;
1905     }
1906     else
1907         TMProxyImpl_Release((IRpcProxyBuffer *)&proxy->lpvtbl2);
1908     return hres;
1909 }
1910
1911 typedef struct _TMStubImpl {
1912     const IRpcStubBufferVtbl   *lpvtbl;
1913     LONG                        ref;
1914
1915     LPUNKNOWN                   pUnk;
1916     ITypeInfo                   *tinfo;
1917     IID                         iid;
1918     IRpcStubBuffer              *dispatch_stub;
1919     BOOL                        dispatch_derivative;
1920 } TMStubImpl;
1921
1922 static HRESULT WINAPI
1923 TMStubImpl_QueryInterface(LPRPCSTUBBUFFER iface, REFIID riid, LPVOID *ppv)
1924 {
1925     if (IsEqualIID(riid,&IID_IRpcStubBuffer)||IsEqualIID(riid,&IID_IUnknown)){
1926         *ppv = (LPVOID)iface;
1927         IRpcStubBuffer_AddRef(iface);
1928         return S_OK;
1929     }
1930     FIXME("%s, not supported IID.\n",debugstr_guid(riid));
1931     return E_NOINTERFACE;
1932 }
1933
1934 static ULONG WINAPI
1935 TMStubImpl_AddRef(LPRPCSTUBBUFFER iface)
1936 {
1937     TMStubImpl *This = (TMStubImpl *)iface;
1938     ULONG refCount = InterlockedIncrement(&This->ref);
1939
1940     TRACE("(%p)->(ref before=%u)\n", This, refCount - 1);
1941
1942     return refCount;
1943 }
1944
1945 static ULONG WINAPI
1946 TMStubImpl_Release(LPRPCSTUBBUFFER iface)
1947 {
1948     TMStubImpl *This = (TMStubImpl *)iface;
1949     ULONG refCount = InterlockedDecrement(&This->ref);
1950
1951     TRACE("(%p)->(ref before=%u)\n", This, refCount + 1);
1952
1953     if (!refCount)
1954     {
1955         IRpcStubBuffer_Disconnect(iface);
1956         ITypeInfo_Release(This->tinfo);
1957         if (This->dispatch_stub)
1958             IRpcStubBuffer_Release(This->dispatch_stub);
1959         CoTaskMemFree(This);
1960     }
1961     return refCount;
1962 }
1963
1964 static HRESULT WINAPI
1965 TMStubImpl_Connect(LPRPCSTUBBUFFER iface, LPUNKNOWN pUnkServer)
1966 {
1967     TMStubImpl *This = (TMStubImpl *)iface;
1968
1969     TRACE("(%p)->(%p)\n", This, pUnkServer);
1970
1971     IUnknown_AddRef(pUnkServer);
1972     This->pUnk = pUnkServer;
1973
1974     if (This->dispatch_stub)
1975         IRpcStubBuffer_Connect(This->dispatch_stub, pUnkServer);
1976
1977     return S_OK;
1978 }
1979
1980 static void WINAPI
1981 TMStubImpl_Disconnect(LPRPCSTUBBUFFER iface)
1982 {
1983     TMStubImpl *This = (TMStubImpl *)iface;
1984
1985     TRACE("(%p)->()\n", This);
1986
1987     if (This->pUnk)
1988     {
1989         IUnknown_Release(This->pUnk);
1990         This->pUnk = NULL;
1991     }
1992
1993     if (This->dispatch_stub)
1994         IRpcStubBuffer_Disconnect(This->dispatch_stub);
1995 }
1996
1997 static HRESULT WINAPI
1998 TMStubImpl_Invoke(
1999     LPRPCSTUBBUFFER iface, RPCOLEMESSAGE* xmsg,IRpcChannelBuffer*rpcchanbuf)
2000 {
2001     int         i;
2002     const FUNCDESC *fdesc;
2003     TMStubImpl *This = (TMStubImpl *)iface;
2004     HRESULT     hres;
2005     DWORD       *args = NULL, res, *xargs, nrofargs;
2006     marshal_state       buf;
2007     UINT        nrofnames = 0;
2008     BSTR        names[10];
2009     BSTR        iname = NULL;
2010     ITypeInfo   *tinfo = NULL;
2011
2012     TRACE("...\n");
2013
2014     if (xmsg->iMethod < 3) {
2015         ERR("IUnknown methods cannot be marshaled by the typelib marshaler\n");
2016         return E_UNEXPECTED;
2017     }
2018
2019     if (This->dispatch_derivative && xmsg->iMethod < sizeof(IDispatchVtbl)/sizeof(void *))
2020     {
2021         IPSFactoryBuffer *factory_buffer;
2022         hres = get_facbuf_for_iid(&IID_IDispatch, &factory_buffer);
2023         if (hres == S_OK)
2024         {
2025             hres = IPSFactoryBuffer_CreateStub(factory_buffer, &IID_IDispatch,
2026                 This->pUnk, &This->dispatch_stub);
2027             IPSFactoryBuffer_Release(factory_buffer);
2028         }
2029         if (hres != S_OK)
2030             return hres;
2031         return IRpcStubBuffer_Invoke(This->dispatch_stub, xmsg, rpcchanbuf);
2032     }
2033
2034     memset(&buf,0,sizeof(buf));
2035     buf.size    = xmsg->cbBuffer;
2036     buf.base    = HeapAlloc(GetProcessHeap(), 0, xmsg->cbBuffer);
2037     memcpy(buf.base, xmsg->Buffer, xmsg->cbBuffer);
2038     buf.curoff  = 0;
2039
2040     hres = get_funcdesc(This->tinfo,xmsg->iMethod,&tinfo,&fdesc,&iname,NULL,NULL);
2041     if (hres) {
2042         ERR("GetFuncDesc on method %d failed with %x\n",xmsg->iMethod,hres);
2043         return hres;
2044     }
2045
2046     if (iname && !lstrcmpW(iname, IDispatchW))
2047     {
2048         ERR("IDispatch cannot be marshaled by the typelib marshaler\n");
2049         hres = E_UNEXPECTED;
2050         SysFreeString (iname);
2051         goto exit;
2052     }
2053
2054     if (iname) SysFreeString (iname);
2055
2056     /* Need them for hack below */
2057     memset(names,0,sizeof(names));
2058     ITypeInfo_GetNames(tinfo,fdesc->memid,names,sizeof(names)/sizeof(names[0]),&nrofnames);
2059     if (nrofnames > sizeof(names)/sizeof(names[0])) {
2060         ERR("Need more names!\n");
2061     }
2062
2063     /*dump_FUNCDESC(fdesc);*/
2064     nrofargs = 0;
2065     for (i=0;i<fdesc->cParams;i++)
2066         nrofargs += _argsize(&fdesc->lprgelemdescParam[i].tdesc, tinfo);
2067     args = HeapAlloc(GetProcessHeap(),0,(nrofargs+1)*sizeof(DWORD));
2068     if (!args)
2069     {
2070         hres = E_OUTOFMEMORY;
2071         goto exit;
2072     }
2073
2074     /* Allocate all stuff used by call. */
2075     xargs = args+1;
2076     for (i=0;i<fdesc->cParams;i++) {
2077         ELEMDESC        *elem = fdesc->lprgelemdescParam+i;
2078
2079         hres = deserialize_param(
2080            tinfo,
2081            is_in_elem(elem),
2082            FALSE,
2083            TRUE,
2084            &(elem->tdesc),
2085            xargs,
2086            &buf
2087         );
2088         xargs += _argsize(&elem->tdesc, tinfo);
2089         if (hres) {
2090             ERR("Failed to deserialize param %s, hres %x\n",relaystr(names[i+1]),hres);
2091             break;
2092         }
2093     }
2094
2095     args[0] = (DWORD)This->pUnk;
2096
2097     __TRY
2098     {
2099         res = _invoke(
2100             (*((FARPROC**)args[0]))[fdesc->oVft/4],
2101             fdesc->callconv,
2102             (xargs-args),
2103             args
2104         );
2105     }
2106     __EXCEPT_ALL
2107     {
2108         DWORD dwExceptionCode = GetExceptionCode();
2109         ERR("invoke call failed with exception 0x%08x (%d)\n", dwExceptionCode, dwExceptionCode);
2110         if (FAILED(dwExceptionCode))
2111             hres = dwExceptionCode;
2112         else
2113             hres = HRESULT_FROM_WIN32(dwExceptionCode);
2114     }
2115     __ENDTRY
2116
2117     if (hres != S_OK)
2118         goto exit;
2119
2120     buf.curoff = 0;
2121
2122     xargs = args+1;
2123     for (i=0;i<fdesc->cParams;i++) {
2124         ELEMDESC        *elem = fdesc->lprgelemdescParam+i;
2125         hres = serialize_param(
2126            tinfo,
2127            is_out_elem(elem),
2128            FALSE,
2129            TRUE,
2130            &elem->tdesc,
2131            xargs,
2132            &buf
2133         );
2134         xargs += _argsize(&elem->tdesc, tinfo);
2135         if (hres) {
2136             ERR("Failed to stuballoc param, hres %x\n",hres);
2137             break;
2138         }
2139     }
2140
2141     hres = xbuf_add (&buf, (LPBYTE)&res, sizeof(DWORD));
2142
2143     if (hres != S_OK)
2144         goto exit;
2145
2146     xmsg->cbBuffer      = buf.curoff;
2147     hres = IRpcChannelBuffer_GetBuffer(rpcchanbuf, xmsg, &This->iid);
2148     if (hres != S_OK)
2149         ERR("IRpcChannelBuffer_GetBuffer failed with error 0x%08x\n", hres);
2150
2151     if (hres == S_OK)
2152         memcpy(xmsg->Buffer, buf.base, buf.curoff);
2153
2154 exit:
2155     for (i = 0; i < nrofnames; i++)
2156         SysFreeString(names[i]);
2157
2158     ITypeInfo_Release(tinfo);
2159     HeapFree(GetProcessHeap(), 0, args);
2160
2161     HeapFree(GetProcessHeap(), 0, buf.base);
2162
2163     TRACE("returning\n");
2164     return hres;
2165 }
2166
2167 static LPRPCSTUBBUFFER WINAPI
2168 TMStubImpl_IsIIDSupported(LPRPCSTUBBUFFER iface, REFIID riid) {
2169     FIXME("Huh (%s)?\n",debugstr_guid(riid));
2170     return NULL;
2171 }
2172
2173 static ULONG WINAPI
2174 TMStubImpl_CountRefs(LPRPCSTUBBUFFER iface) {
2175     TMStubImpl *This = (TMStubImpl *)iface;
2176
2177     FIXME("()\n");
2178     return This->ref; /*FIXME? */
2179 }
2180
2181 static HRESULT WINAPI
2182 TMStubImpl_DebugServerQueryInterface(LPRPCSTUBBUFFER iface, LPVOID *ppv) {
2183     return E_NOTIMPL;
2184 }
2185
2186 static void WINAPI
2187 TMStubImpl_DebugServerRelease(LPRPCSTUBBUFFER iface, LPVOID ppv) {
2188     return;
2189 }
2190
2191 static const IRpcStubBufferVtbl tmstubvtbl = {
2192     TMStubImpl_QueryInterface,
2193     TMStubImpl_AddRef,
2194     TMStubImpl_Release,
2195     TMStubImpl_Connect,
2196     TMStubImpl_Disconnect,
2197     TMStubImpl_Invoke,
2198     TMStubImpl_IsIIDSupported,
2199     TMStubImpl_CountRefs,
2200     TMStubImpl_DebugServerQueryInterface,
2201     TMStubImpl_DebugServerRelease
2202 };
2203
2204 static HRESULT WINAPI
2205 PSFacBuf_CreateStub(
2206     LPPSFACTORYBUFFER iface, REFIID riid,IUnknown *pUnkServer,
2207     IRpcStubBuffer** ppStub
2208 ) {
2209     HRESULT hres;
2210     ITypeInfo   *tinfo;
2211     TMStubImpl  *stub;
2212     TYPEATTR *typeattr;
2213
2214     TRACE("(%s,%p,%p)\n",debugstr_guid(riid),pUnkServer,ppStub);
2215
2216     hres = _get_typeinfo_for_iid(riid,&tinfo);
2217     if (hres) {
2218         ERR("No typeinfo for %s?\n",debugstr_guid(riid));
2219         return hres;
2220     }
2221
2222     stub = CoTaskMemAlloc(sizeof(TMStubImpl));
2223     if (!stub)
2224         return E_OUTOFMEMORY;
2225     stub->lpvtbl        = &tmstubvtbl;
2226     stub->ref           = 1;
2227     stub->tinfo         = tinfo;
2228     stub->dispatch_stub = NULL;
2229     stub->dispatch_derivative = FALSE;
2230     stub->iid           = *riid;
2231     hres = IRpcStubBuffer_Connect((LPRPCSTUBBUFFER)stub,pUnkServer);
2232     *ppStub             = (LPRPCSTUBBUFFER)stub;
2233     TRACE("IRpcStubBuffer: %p\n", stub);
2234     if (hres)
2235         ERR("Connect to pUnkServer failed?\n");
2236
2237     /* if we derive from IDispatch then defer to its stub for some of its methods */
2238     hres = ITypeInfo_GetTypeAttr(tinfo, &typeattr);
2239     if (hres == S_OK)
2240     {
2241         if (typeattr->wTypeFlags & TYPEFLAG_FDISPATCHABLE)
2242             stub->dispatch_derivative = TRUE;
2243         ITypeInfo_ReleaseTypeAttr(tinfo, typeattr);
2244     }
2245
2246     return hres;
2247 }
2248
2249 static const IPSFactoryBufferVtbl psfacbufvtbl = {
2250     PSFacBuf_QueryInterface,
2251     PSFacBuf_AddRef,
2252     PSFacBuf_Release,
2253     PSFacBuf_CreateProxy,
2254     PSFacBuf_CreateStub
2255 };
2256
2257 /* This is the whole PSFactoryBuffer object, just the vtableptr */
2258 static const IPSFactoryBufferVtbl *lppsfac = &psfacbufvtbl;
2259
2260 /***********************************************************************
2261  *           TMARSHAL_DllGetClassObject
2262  */
2263 HRESULT TMARSHAL_DllGetClassObject(REFCLSID rclsid, REFIID iid,LPVOID *ppv)
2264 {
2265     if (IsEqualIID(iid,&IID_IPSFactoryBuffer)) {
2266         *ppv = &lppsfac;
2267         return S_OK;
2268     }
2269     return E_NOINTERFACE;
2270 }