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     case VT_USERDEFINED:
 528     {
 529         ITypeInfo *tinfo2;
 530         TYPEATTR *tattr;
 531         HRESULT hres;
 532         DWORD ret;
 533
 534         hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.hreftype,&tinfo2);
 535         if (FAILED(hres))
 536             return 0; /* should fail critically in serialize_param */
 537         ITypeInfo_GetTypeAttr(tinfo2,&tattr);
 538         ret = (tattr->cbSizeInstance+3)/sizeof(DWORD);
 539         ITypeInfo_ReleaseTypeAttr(tinfo2, tattr);
 540         ITypeInfo_Release(tinfo2);
 541         return ret;
 542     }
 543     default:
 544         return 1;
 545     }
 546 }
 547
 548 /* how much space do we use on the heap (in bytes) */
 549 static int
 550 _xsize(const TYPEDESC *td, ITypeInfo *tinfo) {
 551     switch (td->vt) {
 552     case VT_DATE:
 553         return sizeof(DATE);
 554     case VT_CY:
 555         return sizeof(CY);
 556     /* FIXME: VT_BOOL should return 2? */
 557     case VT_VARIANT:
 558         return sizeof(VARIANT)+3; /* FIXME: why the +3? */
 559     case VT_CARRAY: {
 560         int i, arrsize = 1;
 561         const ARRAYDESC *adesc = td->u.lpadesc;
 562
 563         for (i=0;i<adesc->cDims;i++)
 564             arrsize *= adesc->rgbounds[i].cElements;
 565         return arrsize*_xsize(&adesc->tdescElem, tinfo);
 566     }
 567     case VT_UI8:
 568     case VT_I8:
 569     case VT_R8:
 570         return 8;
 571     case VT_UI2:
 572     case VT_I2:
 573         return 2;
 574     case VT_UI1:
 575     case VT_I1:
 576         return 1;
 577     case VT_USERDEFINED:
 578     {
 579         ITypeInfo *tinfo2;
 580         TYPEATTR *tattr;
 581         HRESULT hres;
 582         DWORD ret;
 583
 584         hres = ITypeInfo_GetRefTypeInfo(tinfo,td->u.hreftype,&tinfo2);
 585         if (FAILED(hres))
 586             return 0;
 587         ITypeInfo_GetTypeAttr(tinfo2,&tattr);
 588         ret = tattr->cbSizeInstance;
 589         ITypeInfo_ReleaseTypeAttr(tinfo2, tattr);
 590         ITypeInfo_Release(tinfo2);
 591         return ret;
 592     }
 593     default:
 594         return 4;
 595     }
 596 }
 597
 598 static HRESULT
 599 serialize_param(
 600     ITypeInfo           *tinfo,
 601     BOOL                writeit,
 602     BOOL                debugout,
 603     BOOL                dealloc,
 604     TYPEDESC            *tdesc,
 605     DWORD               *arg,
 606     marshal_state       *buf)
 607 {
 608     HRESULT hres = S_OK;
 609
 610     TRACE("(tdesc.vt %s)\n",debugstr_vt(tdesc->vt));
 611
 612     switch (tdesc->vt) {
 613     case VT_EMPTY: /* nothing. empty variant for instance */
 614         return S_OK;
 615     case VT_I8:
 616     case VT_UI8:
 617     case VT_R8:
 618     case VT_CY:
 619         hres = S_OK;
 620         if (debugout) TRACE_(olerelay)("%x%x\n",arg[0],arg[1]);
 621         if (writeit)
 622             hres = xbuf_add(buf,(LPBYTE)arg,8);
 623         return hres;
 624     case VT_BOOL:
 625     case VT_ERROR:
 626     case VT_INT:
 627     case VT_UINT:
 628     case VT_I4:
 629     case VT_R4:
 630     case VT_UI4:
 631         hres = S_OK;
 632         if (debugout) TRACE_(olerelay)("%x\n",*arg);
 633         if (writeit)
 634             hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
 635         return hres;
 636     case VT_I2:
 637     case VT_UI2:
 638         hres = S_OK;
 639         if (debugout) TRACE_(olerelay)("%04x\n",*arg & 0xffff);
 640         if (writeit)
 641             hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
 642         return hres;
 643     case VT_I1:
 644     case VT_UI1:
 645         hres = S_OK;
 646         if (debugout) TRACE_(olerelay)("%02x\n",*arg & 0xff);
 647         if (writeit)
 648             hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
 649         return hres;
 650     case VT_I4|VT_BYREF:
 651         hres = S_OK;
 652         if (debugout) TRACE_(olerelay)("&0x%x\n",*arg);
 653         if (writeit)
 654             hres = xbuf_add(buf,(LPBYTE)(DWORD*)*arg,sizeof(DWORD));
 655         /* do not dealloc at this time */
 656         return hres;
 657     case VT_VARIANT: {
 658         TYPEDESC        tdesc2;
 659         VARIANT         *vt = (VARIANT*)arg;
 660         DWORD           vttype = V_VT(vt);
 661
 662         if (debugout) TRACE_(olerelay)("Vt(%s%s)(",debugstr_vt(vttype),debugstr_vf(vttype));
 663         tdesc2.vt = vttype;
 664         if (writeit) {
 665             hres = xbuf_add(buf,(LPBYTE)&vttype,sizeof(vttype));
 666             if (hres) return hres;
 667         }
 668         /* need to recurse since we need to free the stuff */
 669         hres = serialize_param(tinfo,writeit,debugout,dealloc,&tdesc2,(DWORD*)&(V_I4(vt)),buf);
 670         if (debugout) TRACE_(olerelay)(")");
 671         return hres;
 672     }
 673     case VT_BSTR|VT_BYREF: {
 674         if (debugout) TRACE_(olerelay)("[byref]'%s'", *(BSTR*)*arg ? relaystr(*((BSTR*)*arg)) : "<bstr NULL>");
 675         if (writeit) {
 676             /* ptr to ptr to magic widestring, basically */
 677             BSTR *bstr = (BSTR *) *arg;
 678             DWORD len;
 679             if (!*bstr) {
 680                 /* -1 means "null string" which is equivalent to empty string */
 681                 len = -1;
 682                 hres = xbuf_add(buf, (LPBYTE)&len,sizeof(DWORD));
 683                 if (hres) return hres;
 684             } else {
 685                 len = *((DWORD*)*bstr-1)/sizeof(WCHAR);
 686                 hres = xbuf_add(buf,(LPBYTE)&len,sizeof(DWORD));
 687                 if (hres) return hres;
 688                 hres = xbuf_add(buf,(LPBYTE)*bstr,len * sizeof(WCHAR));
 689                 if (hres) return hres;
 690             }
 691         }
 692
 693         if (dealloc && arg) {
 694             BSTR *str = *((BSTR **)arg);
 695             SysFreeString(*str);
 696         }
 697         return S_OK;
 698     }
 699
 700     case VT_BSTR: {
 701         if (debugout) {
 702             if (*arg)
 703                    TRACE_(olerelay)("%s",relaystr((WCHAR*)*arg));
 704             else
 705                     TRACE_(olerelay)("<bstr NULL>");
 706         }
 707         if (writeit) {
 708             BSTR bstr = (BSTR)*arg;
 709             DWORD len;
 710             if (!bstr) {
 711                 len = -1;
 712                 hres = xbuf_add(buf,(LPBYTE)&len,sizeof(DWORD));
 713                 if (hres) return hres;
 714             } else {
 715                 len = *((DWORD*)bstr-1)/sizeof(WCHAR);
 716                 hres = xbuf_add(buf,(LPBYTE)&len,sizeof(DWORD));
 717                 if (hres) return hres;
 718                 hres = xbuf_add(buf,(LPBYTE)bstr,len * sizeof(WCHAR));
 719                 if (hres) return hres;
 720             }
 721         }
 722
 723         if (dealloc && arg)
 724             SysFreeString((BSTR)*arg);
 725         return S_OK;
 726     }
 727     case VT_PTR: {
 728         DWORD cookie;
 729         BOOL        derefhere = TRUE;
 730
 731         if (tdesc->u.lptdesc->vt == VT_USERDEFINED) {
 732             ITypeInfo   *tinfo2;
 733             TYPEATTR    *tattr;
 734
 735             hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.lptdesc->u.hreftype,&tinfo2);
 736             if (hres) {
 737                 ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.lptdesc->u.hreftype);
 738                 return hres;
 739             }
 740             ITypeInfo_GetTypeAttr(tinfo2,&tattr);
 741             switch (tattr->typekind) {
 742             case TKIND_ALIAS:
 743                 if (tattr->tdescAlias.vt == VT_USERDEFINED)
 744                 {
 745                     DWORD href = tattr->tdescAlias.u.hreftype;
 746                     ITypeInfo_ReleaseTypeAttr(tinfo, tattr);
 747                     ITypeInfo_Release(tinfo2);
 748                     hres = ITypeInfo_GetRefTypeInfo(tinfo,href,&tinfo2);
 749                     if (hres) {
 750                         ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.lptdesc->u.hreftype);
 751                         return hres;
 752                     }
 753                     ITypeInfo_GetTypeAttr(tinfo2,&tattr);
 754                     derefhere = (tattr->typekind != TKIND_DISPATCH && tattr->typekind != TKIND_INTERFACE);
 755                 }
 756                 break;
 757             case TKIND_ENUM:    /* confirmed */
 758             case TKIND_RECORD:  /* FIXME: mostly untested */
 759                 break;
 760             case TKIND_DISPATCH:        /* will be done in VT_USERDEFINED case */
 761             case TKIND_INTERFACE:       /* will be done in VT_USERDEFINED case */
 762                 derefhere=FALSE;
 763                 break;
 764             default:
 765                 FIXME("unhandled switch cases tattr->typekind %d\n", tattr->typekind);
 766                 derefhere=FALSE;
 767                 break;
 768             }
 769             ITypeInfo_ReleaseTypeAttr(tinfo, tattr);
 770             ITypeInfo_Release(tinfo2);
 771         }
 772
 773         if (debugout) TRACE_(olerelay)("*");
 774         /* Write always, so the other side knows when it gets a NULL pointer.
 775          */
 776         cookie = *arg ? 0x42424242 : 0;
 777         hres = xbuf_add(buf,(LPBYTE)&cookie,sizeof(cookie));
 778         if (hres)
 779             return hres;
 780         if (!*arg) {
 781             if (debugout) TRACE_(olerelay)("NULL");
 782             return S_OK;
 783         }
 784         hres = serialize_param(tinfo,writeit,debugout,dealloc,tdesc->u.lptdesc,(DWORD*)*arg,buf);
 785         if (derefhere && dealloc) HeapFree(GetProcessHeap(),0,(LPVOID)*arg);
 786         return hres;
 787     }
 788     case VT_UNKNOWN:
 789         if (debugout) TRACE_(olerelay)("unk(0x%x)",*arg);
 790         if (writeit)
 791             hres = _marshal_interface(buf,&IID_IUnknown,(LPUNKNOWN)*arg);
 792         if (dealloc && *(IUnknown **)arg)
 793             IUnknown_Release((LPUNKNOWN)*arg);
 794         return hres;
 795     case VT_DISPATCH:
 796         if (debugout) TRACE_(olerelay)("idisp(0x%x)",*arg);
 797         if (writeit)
 798             hres = _marshal_interface(buf,&IID_IDispatch,(LPUNKNOWN)*arg);
 799         if (dealloc && *(IUnknown **)arg)
 800             IUnknown_Release((LPUNKNOWN)*arg);
 801         return hres;
 802     case VT_VOID:
 803         if (debugout) TRACE_(olerelay)("<void>");
 804         return S_OK;
 805     case VT_USERDEFINED: {
 806         ITypeInfo       *tinfo2;
 807         TYPEATTR        *tattr;
 808
 809         hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.hreftype,&tinfo2);
 810         if (hres) {
 811             ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.hreftype);
 812             return hres;
 813         }
 814         ITypeInfo_GetTypeAttr(tinfo2,&tattr);
 815         switch (tattr->typekind) {
 816         case TKIND_DISPATCH:
 817         case TKIND_INTERFACE:
 818             if (writeit)
 819                hres=_marshal_interface(buf,&(tattr->guid),(LPUNKNOWN)arg);
 820             if (dealloc)
 821                 IUnknown_Release((LPUNKNOWN)arg);
 822             break;
 823         case TKIND_RECORD: {
 824             int i;
 825             if (debugout) TRACE_(olerelay)("{");
 826             for (i=0;i<tattr->cVars;i++) {
 827                 VARDESC *vdesc;
 828                 ELEMDESC *elem2;
 829                 TYPEDESC *tdesc2;
 830
 831                 hres = ITypeInfo2_GetVarDesc(tinfo2, i, &vdesc);
 832                 if (hres) {
 833                     ERR("Could not get vardesc of %d\n",i);
 834                     return hres;
 835                 }
 836                 elem2 = &vdesc->elemdescVar;
 837                 tdesc2 = &elem2->tdesc;
 838                 hres = serialize_param(
 839                     tinfo2,
 840                     writeit,
 841                     debugout,
 842                     dealloc,
 843                     tdesc2,
 844                     (DWORD*)(((LPBYTE)arg)+vdesc->u.oInst),
 845                     buf
 846                 );
 847                 ITypeInfo_ReleaseVarDesc(tinfo2, vdesc);
 848                 if (hres!=S_OK)
 849                     return hres;
 850                 if (debugout && (i<(tattr->cVars-1)))
 851                     TRACE_(olerelay)(",");
 852             }
 853             if (debugout) TRACE_(olerelay)("}");
 854             break;
 855         }
 856         case TKIND_ALIAS:
 857             hres = serialize_param(tinfo2,writeit,debugout,dealloc,&tattr->tdescAlias,arg,buf);
 858             break;
 859         case TKIND_ENUM:
 860             hres = S_OK;
 861             if (debugout) TRACE_(olerelay)("%x",*arg);
 862             if (writeit)
 863                 hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
 864             break;
 865         default:
 866             FIXME("Unhandled typekind %d\n",tattr->typekind);
 867             hres = E_FAIL;
 868             break;
 869         }
 870         ITypeInfo_ReleaseTypeAttr(tinfo2, tattr);
 871         ITypeInfo_Release(tinfo2);
 872         return hres;
 873     }
 874     case VT_CARRAY: {
 875         ARRAYDESC *adesc = tdesc->u.lpadesc;
 876         int i, arrsize = 1;
 877
 878         if (debugout) TRACE_(olerelay)("carr");
 879         for (i=0;i<adesc->cDims;i++) {
 880             if (debugout) TRACE_(olerelay)("[%d]",adesc->rgbounds[i].cElements);
 881             arrsize *= adesc->rgbounds[i].cElements;
 882         }
 883         if (debugout) TRACE_(olerelay)("(vt %s)",debugstr_vt(adesc->tdescElem.vt));
 884         if (debugout) TRACE_(olerelay)("[");
 885         for (i=0;i<arrsize;i++) {
 886             hres = serialize_param(tinfo, writeit, debugout, dealloc, &adesc->tdescElem, (DWORD*)((LPBYTE)arg+i*_xsize(&adesc->tdescElem, tinfo)), buf);
 887             if (hres)
 888                 return hres;
 889             if (debugout && (i<arrsize-1)) TRACE_(olerelay)(",");
 890         }
 891         if (debugout) TRACE_(olerelay)("]");
 892         return S_OK;
 893     }
 894     case VT_SAFEARRAY: {
 895         if (writeit)
 896         {
 897             ULONG flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
 898             ULONG size = LPSAFEARRAY_UserSize(&flags, buf->curoff, (LPSAFEARRAY *)arg);
 899             xbuf_resize(buf, size);
 900             LPSAFEARRAY_UserMarshal(&flags, buf->base + buf->curoff, (LPSAFEARRAY *)arg);
 901             buf->curoff = size;
 902         }
 903         return S_OK;
 904     }
 905     default:
 906         ERR("Unhandled marshal type %d.\n",tdesc->vt);
 907         return S_OK;
 908     }
 909 }
 910
 911 static HRESULT
 912 deserialize_param(
 913     ITypeInfo           *tinfo,
 914     BOOL                readit,
 915     BOOL                debugout,
 916     BOOL                alloc,
 917     TYPEDESC            *tdesc,
 918     DWORD               *arg,
 919     marshal_state       *buf)
 920 {
 921     HRESULT hres = S_OK;
 922
 923     TRACE("vt %s at %p\n",debugstr_vt(tdesc->vt),arg);
 924
 925     while (1) {
 926         switch (tdesc->vt) {
 927         case VT_EMPTY:
 928             if (debugout) TRACE_(olerelay)("<empty>\n");
 929             return S_OK;
 930         case VT_NULL:
 931             if (debugout) TRACE_(olerelay)("<null>\n");
 932             return S_OK;
 933         case VT_VARIANT: {
 934             VARIANT     *vt = (VARIANT*)arg;
 935
 936             if (readit) {
 937                 DWORD   vttype;
 938                 TYPEDESC        tdesc2;
 939                 hres = xbuf_get(buf,(LPBYTE)&vttype,sizeof(vttype));
 940                 if (hres) {
 941                     FIXME("vt type not read?\n");
 942                     return hres;
 943                 }
 944                 memset(&tdesc2,0,sizeof(tdesc2));
 945                 tdesc2.vt = vttype;
 946                 V_VT(vt)  = vttype;
 947                 if (debugout) TRACE_(olerelay)("Vt(%s%s)(",debugstr_vt(vttype),debugstr_vf(vttype));
 948                 hres = deserialize_param(tinfo, readit, debugout, alloc, &tdesc2, (DWORD*)&(V_I4(vt)), buf);
 949                 TRACE_(olerelay)(")");
 950                 return hres;
 951             } else {
 952                 VariantInit(vt);
 953                 return S_OK;
 954             }
 955         }
 956         case VT_I8:
 957         case VT_UI8:
 958         case VT_R8:
 959         case VT_CY:
 960             if (readit) {
 961                 hres = xbuf_get(buf,(LPBYTE)arg,8);
 962                 if (hres) ERR("Failed to read integer 8 byte\n");
 963             }
 964             if (debugout) TRACE_(olerelay)("%x%x",arg[0],arg[1]);
 965             return hres;
 966         case VT_ERROR:
 967         case VT_BOOL:
 968         case VT_I4:
 969         case VT_INT:
 970         case VT_UINT:
 971         case VT_R4:
 972         case VT_UI4:
 973             if (readit) {
 974                 hres = xbuf_get(buf,(LPBYTE)arg,sizeof(DWORD));
 975                 if (hres) ERR("Failed to read integer 4 byte\n");
 976             }
 977             if (debugout) TRACE_(olerelay)("%x",*arg);
 978             return hres;
 979         case VT_I2:
 980         case VT_UI2:
 981             if (readit) {
 982                 DWORD x;
 983                 hres = xbuf_get(buf,(LPBYTE)&x,sizeof(DWORD));
 984                 if (hres) ERR("Failed to read integer 4 byte\n");
 985                 memcpy(arg,&x,2);
 986             }
 987             if (debugout) TRACE_(olerelay)("%04x",*arg & 0xffff);
 988             return hres;
 989         case VT_I1:
 990         case VT_UI1:
 991             if (readit) {
 992                 DWORD x;
 993                 hres = xbuf_get(buf,(LPBYTE)&x,sizeof(DWORD));
 994                 if (hres) ERR("Failed to read integer 4 byte\n");
 995                 memcpy(arg,&x,1);
 996             }
 997             if (debugout) TRACE_(olerelay)("%02x",*arg & 0xff);
 998             return hres;
 999         case VT_I4|VT_BYREF:
1000             hres = S_OK;
1001             if (alloc)
1002                 *arg = (DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(DWORD));
1003             if (readit) {
1004                 hres = xbuf_get(buf,(LPBYTE)*arg,sizeof(DWORD));
1005                 if (hres) ERR("Failed to read integer 4 byte\n");
1006             }
1007             if (debugout) TRACE_(olerelay)("&0x%x",*(DWORD*)*arg);
1008             return hres;
1009         case VT_BSTR|VT_BYREF: {
1010             BSTR **bstr = (BSTR **)arg;
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                     *bstr = CoTaskMemAlloc(sizeof(BSTR *));
1022                     **bstr = NULL;
1023                     if (debugout) TRACE_(olerelay)("<bstr NULL>");
1024                 } else {
1025                     str  = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,(len+1)*sizeof(WCHAR));
1026                     hres = xbuf_get(buf,(LPBYTE)str,len*sizeof(WCHAR));
1027                     if (hres) {
1028                         ERR("Failed to read BSTR.\n");
1029                         HeapFree(GetProcessHeap(),0,str);
1030                         return hres;
1031                     }
1032                     *bstr = CoTaskMemAlloc(sizeof(BSTR *));
1033                     **bstr = SysAllocStringLen(str,len);
1034                     if (debugout) TRACE_(olerelay)("%s",relaystr(str));
1035                     HeapFree(GetProcessHeap(),0,str);
1036                 }
1037             } else {
1038                 *bstr = NULL;
1039             }
1040             return S_OK;
1041         }
1042         case VT_BSTR: {
1043             WCHAR       *str;
1044             DWORD       len;
1045
1046             if (readit) {
1047                 hres = xbuf_get(buf,(LPBYTE)&len,sizeof(DWORD));
1048                 if (hres) {
1049                     ERR("failed to read bstr klen\n");
1050                     return hres;
1051                 }
1052                 if (len == -1) {
1053                     *arg = 0;
1054                     if (debugout) TRACE_(olerelay)("<bstr NULL>");
1055                 } else {
1056                     str  = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,(len+1)*sizeof(WCHAR));
1057                     hres = xbuf_get(buf,(LPBYTE)str,len*sizeof(WCHAR));
1058                     if (hres) {
1059                         ERR("Failed to read BSTR.\n");
1060                         HeapFree(GetProcessHeap(),0,str);
1061                         return hres;
1062                     }
1063                     *arg = (DWORD)SysAllocStringLen(str,len);
1064                     if (debugout) TRACE_(olerelay)("%s",relaystr(str));
1065                     HeapFree(GetProcessHeap(),0,str);
1066                 }
1067             } else {
1068                 *arg = 0;
1069             }
1070             return S_OK;
1071         }
1072         case VT_PTR: {
1073             DWORD       cookie;
1074             BOOL        derefhere = TRUE;
1075
1076             if (tdesc->u.lptdesc->vt == VT_USERDEFINED) {
1077                 ITypeInfo       *tinfo2;
1078                 TYPEATTR        *tattr;
1079
1080                 hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.lptdesc->u.hreftype,&tinfo2);
1081                 if (hres) {
1082                     ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.lptdesc->u.hreftype);
1083                     return hres;
1084                 }
1085                 ITypeInfo_GetTypeAttr(tinfo2,&tattr);
1086                 switch (tattr->typekind) {
1087                 case TKIND_ALIAS:
1088                     if (tattr->tdescAlias.vt == VT_USERDEFINED)
1089                     {
1090                         DWORD href = tattr->tdescAlias.u.hreftype;
1091                         ITypeInfo_ReleaseTypeAttr(tinfo, tattr);
1092                         ITypeInfo_Release(tinfo2);
1093                         hres = ITypeInfo_GetRefTypeInfo(tinfo,href,&tinfo2);
1094                         if (hres) {
1095                             ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.lptdesc->u.hreftype);
1096                             return hres;
1097                         }
1098                         ITypeInfo_GetTypeAttr(tinfo2,&tattr);
1099                         derefhere = (tattr->typekind != TKIND_DISPATCH && tattr->typekind != TKIND_INTERFACE);
1100                     }
1101                     break;
1102                 case TKIND_ENUM:        /* confirmed */
1103                 case TKIND_RECORD:      /* FIXME: mostly untested */
1104                     break;
1105                 case TKIND_DISPATCH:    /* will be done in VT_USERDEFINED case */
1106                 case TKIND_INTERFACE:   /* will be done in VT_USERDEFINED case */
1107                     derefhere=FALSE;
1108                     break;
1109                 default:
1110                     FIXME("unhandled switch cases tattr->typekind %d\n", tattr->typekind);
1111                     derefhere=FALSE;
1112                     break;
1113                 }
1114                 ITypeInfo_ReleaseTypeAttr(tinfo2, tattr);
1115                 ITypeInfo_Release(tinfo2);
1116             }
1117             /* read it in all cases, we need to know if we have
1118              * NULL pointer or not.
1119              */
1120             hres = xbuf_get(buf,(LPBYTE)&cookie,sizeof(cookie));
1121             if (hres) {
1122                 ERR("Failed to load pointer cookie.\n");
1123                 return hres;
1124             }
1125             if (cookie != 0x42424242) {
1126                 /* we read a NULL ptr from the remote side */
1127                 if (debugout) TRACE_(olerelay)("NULL");
1128                 *arg = 0;
1129                 return S_OK;
1130             }
1131             if (debugout) TRACE_(olerelay)("*");
1132             if (alloc) {
1133                 /* Allocate space for the referenced struct */
1134                 if (derefhere)
1135                     *arg=(DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,_xsize(tdesc->u.lptdesc, tinfo));
1136             }
1137             if (derefhere)
1138                 return deserialize_param(tinfo, readit, debugout, alloc, tdesc->u.lptdesc, (LPDWORD)*arg, buf);
1139             else
1140                 return deserialize_param(tinfo, readit, debugout, alloc, tdesc->u.lptdesc, arg, buf);
1141         }
1142         case VT_UNKNOWN:
1143             /* FIXME: UNKNOWN is unknown ..., but allocate 4 byte for it */
1144             if (alloc)
1145                 *arg=(DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(DWORD));
1146             hres = S_OK;
1147             if (readit)
1148                 hres = _unmarshal_interface(buf,&IID_IUnknown,(LPUNKNOWN*)arg);
1149             if (debugout)
1150                 TRACE_(olerelay)("unk(%p)",arg);
1151             return hres;
1152         case VT_DISPATCH:
1153             hres = S_OK;
1154             if (readit)
1155                 hres = _unmarshal_interface(buf,&IID_IDispatch,(LPUNKNOWN*)arg);
1156             if (debugout)
1157                 TRACE_(olerelay)("idisp(%p)",arg);
1158             return hres;
1159         case VT_VOID:
1160             if (debugout) TRACE_(olerelay)("<void>");
1161             return S_OK;
1162         case VT_USERDEFINED: {
1163             ITypeInfo   *tinfo2;
1164             TYPEATTR    *tattr;
1165
1166             hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.hreftype,&tinfo2);
1167             if (hres) {
1168                 ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.hreftype);
1169                 return hres;
1170             }
1171             hres = ITypeInfo_GetTypeAttr(tinfo2,&tattr);
1172             if (hres) {
1173                 ERR("Could not get typeattr in VT_USERDEFINED.\n");
1174             } else {
1175                 switch (tattr->typekind) {
1176                 case TKIND_DISPATCH:
1177                 case TKIND_INTERFACE:
1178                     if (readit)
1179                         hres = _unmarshal_interface(buf,&(tattr->guid),(LPUNKNOWN*)arg);
1180                     break;
1181                 case TKIND_RECORD: {
1182                     int i;
1183
1184                     if (debugout) TRACE_(olerelay)("{");
1185                     for (i=0;i<tattr->cVars;i++) {
1186                         VARDESC *vdesc;
1187
1188                         hres = ITypeInfo2_GetVarDesc(tinfo2, i, &vdesc);
1189                         if (hres) {
1190                             ERR("Could not get vardesc of %d\n",i);
1191                             ITypeInfo_ReleaseTypeAttr(tinfo2, tattr);
1192                             ITypeInfo_Release(tinfo2);
1193                             return hres;
1194                         }
1195                         hres = deserialize_param(
1196                             tinfo2,
1197                             readit,
1198                             debugout,
1199                             alloc,
1200                             &vdesc->elemdescVar.tdesc,
1201                             (DWORD*)(((LPBYTE)arg)+vdesc->u.oInst),
1202                             buf
1203                         );
1204                         ITypeInfo2_ReleaseVarDesc(tinfo2, vdesc);
1205                         if (debugout && (i<tattr->cVars-1)) TRACE_(olerelay)(",");
1206                     }
1207                     if (debugout) TRACE_(olerelay)("}");
1208                     break;
1209                 }
1210                 case TKIND_ALIAS:
1211                     hres = deserialize_param(tinfo2,readit,debugout,alloc,&tattr->tdescAlias,arg,buf);
1212                     break;
1213                 case TKIND_ENUM:
1214                     if (readit) {
1215                         hres = xbuf_get(buf,(LPBYTE)arg,sizeof(DWORD));
1216                         if (hres) ERR("Failed to read enum (4 byte)\n");
1217                     }
1218                     if (debugout) TRACE_(olerelay)("%x",*arg);
1219                     break;
1220                 default:
1221                     ERR("Unhandled typekind %d\n",tattr->typekind);
1222                     hres = E_FAIL;
1223                     break;
1224                 }
1225                 ITypeInfo_ReleaseTypeAttr(tinfo2, tattr);
1226             }
1227             if (hres)
1228                 ERR("failed to stuballoc in TKIND_RECORD.\n");
1229             ITypeInfo_Release(tinfo2);
1230             return hres;
1231         }
1232         case VT_CARRAY: {
1233             /* arg is pointing to the start of the array. */
1234             ARRAYDESC *adesc = tdesc->u.lpadesc;
1235             int         arrsize,i;
1236             arrsize = 1;
1237             if (adesc->cDims > 1) FIXME("cDims > 1 in VT_CARRAY. Does it work?\n");
1238             for (i=0;i<adesc->cDims;i++)
1239                 arrsize *= adesc->rgbounds[i].cElements;
1240             for (i=0;i<arrsize;i++)
1241                 deserialize_param(
1242                     tinfo,
1243                     readit,
1244                     debugout,
1245                     alloc,
1246                     &adesc->tdescElem,
1247                     (DWORD*)((LPBYTE)(arg)+i*_xsize(&adesc->tdescElem, tinfo)),
1248                     buf
1249                 );
1250             return S_OK;
1251         }
1252     case VT_SAFEARRAY: {
1253             if (readit)
1254             {
1255                 ULONG flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
1256                 unsigned char *buffer;
1257                 buffer = LPSAFEARRAY_UserUnmarshal(&flags, buf->base + buf->curoff, (LPSAFEARRAY *)arg);
1258                 buf->curoff = buffer - buf->base;
1259             }
1260             return S_OK;
1261         }
1262         default:
1263             ERR("No handler for VT type %d!\n",tdesc->vt);
1264             return S_OK;
1265         }
1266     }
1267 }
1268
1269 /* Retrieves a function's funcdesc, searching back into inherited interfaces. */
1270 static HRESULT get_funcdesc(ITypeInfo *tinfo, int iMethod, ITypeInfo **tactual, const FUNCDESC **fdesc,
1271                             BSTR *iname, BSTR *fname, UINT *num)
1272 {
1273     HRESULT hr;
1274     UINT i, impl_types;
1275     UINT inherited_funcs = 0;
1276     TYPEATTR *attr;
1277
1278     if (fname) *fname = NULL;
1279     if (iname) *iname = NULL;
1280     if (num) *num = 0;
1281     *tactual = NULL;
1282
1283     hr = ITypeInfo_GetTypeAttr(tinfo, &attr);
1284     if (FAILED(hr))
1285     {
1286         ERR("GetTypeAttr failed with %x\n",hr);
1287         return hr;
1288     }
1289
1290     if(attr->typekind == TKIND_DISPATCH)
1291     {
1292         if(attr->wTypeFlags & TYPEFLAG_FDUAL)
1293         {
1294             HREFTYPE href;
1295             ITypeInfo *tinfo2;
1296
1297             hr = ITypeInfo_GetRefTypeOfImplType(tinfo, -1, &href);
1298             if(FAILED(hr))
1299             {
1300                 ERR("Cannot get interface href from dual dispinterface\n");
1301                 ITypeInfo_ReleaseTypeAttr(tinfo, attr);
1302                 return hr;
1303             }
1304             hr = ITypeInfo_GetRefTypeInfo(tinfo, href, &tinfo2);
1305             if(FAILED(hr))
1306             {
1307                 ERR("Cannot get interface from dual dispinterface\n");
1308                 ITypeInfo_ReleaseTypeAttr(tinfo, attr);
1309                 return hr;
1310             }
1311             hr = get_funcdesc(tinfo2, iMethod, tactual, fdesc, iname, fname, num);
1312             ITypeInfo_Release(tinfo2);
1313             ITypeInfo_ReleaseTypeAttr(tinfo, attr);
1314             return hr;
1315         }
1316         ERR("Shouldn't be called with a non-dual dispinterface\n");
1317         return E_FAIL;
1318     }
1319
1320     impl_types = attr->cImplTypes;
1321     ITypeInfo_ReleaseTypeAttr(tinfo, attr);
1322
1323     for (i = 0; i < impl_types; i++)
1324     {
1325         HREFTYPE href;
1326         ITypeInfo *pSubTypeInfo;
1327         UINT sub_funcs;
1328
1329         hr = ITypeInfo_GetRefTypeOfImplType(tinfo, i, &href);
1330         if (FAILED(hr)) return hr;
1331         hr = ITypeInfo_GetRefTypeInfo(tinfo, href, &pSubTypeInfo);
1332         if (FAILED(hr)) return hr;
1333
1334         hr = get_funcdesc(pSubTypeInfo, iMethod, tactual, fdesc, iname, fname, &sub_funcs);
1335         inherited_funcs += sub_funcs;
1336         ITypeInfo_Release(pSubTypeInfo);
1337         if(SUCCEEDED(hr)) return hr;
1338     }
1339     if(iMethod < inherited_funcs)
1340     {
1341         ERR("shouldn't be here\n");
1342         return E_INVALIDARG;
1343     }
1344
1345     for(i = inherited_funcs; i <= iMethod; i++)
1346     {
1347         hr = ITypeInfoImpl_GetInternalFuncDesc(tinfo, i - inherited_funcs, fdesc);
1348         if(FAILED(hr))
1349         {
1350             if(num) *num = i;
1351             return hr;
1352         }
1353     }
1354
1355     /* found it. We don't care about num so zero it */
1356     if(num) *num = 0;
1357     *tactual = tinfo;
1358     ITypeInfo_AddRef(*tactual);
1359     if (fname) ITypeInfo_GetDocumentation(tinfo,(*fdesc)->memid,fname,NULL,NULL,NULL);
1360     if (iname) ITypeInfo_GetDocumentation(tinfo,-1,iname,NULL,NULL,NULL);
1361     return S_OK;
1362 }
1363
1364 static inline BOOL is_in_elem(const ELEMDESC *elem)
1365 {
1366     return (elem->u.paramdesc.wParamFlags & PARAMFLAG_FIN || !elem->u.paramdesc.wParamFlags);
1367 }
1368
1369 static inline BOOL is_out_elem(const ELEMDESC *elem)
1370 {
1371     return (elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT || !elem->u.paramdesc.wParamFlags);
1372 }
1373
1374 static DWORD
1375 xCall(LPVOID retptr, int method, TMProxyImpl *tpinfo /*, args */)
1376 {
1377     DWORD               *args = ((DWORD*)&tpinfo)+1, *xargs;
1378     const FUNCDESC      *fdesc;
1379     HRESULT             hres;
1380     int                 i, relaydeb = TRACE_ON(olerelay);
1381     marshal_state       buf;
1382     RPCOLEMESSAGE       msg;
1383     ULONG               status;
1384     BSTR                fname,iname;
1385     BSTR                names[10];
1386     UINT                nrofnames;
1387     DWORD               remoteresult = 0;
1388     ITypeInfo           *tinfo;
1389     IRpcChannelBuffer *chanbuf;
1390
1391     EnterCriticalSection(&tpinfo->crit);
1392
1393     hres = get_funcdesc(tpinfo->tinfo,method,&tinfo,&fdesc,&iname,&fname,NULL);
1394     if (hres) {
1395         ERR("Did not find typeinfo/funcdesc entry for method %d!\n",method);
1396         LeaveCriticalSection(&tpinfo->crit);
1397         return E_FAIL;
1398     }
1399
1400     if (!tpinfo->chanbuf)
1401     {
1402         WARN("Tried to use disconnected proxy\n");
1403         ITypeInfo_Release(tinfo);
1404         LeaveCriticalSection(&tpinfo->crit);
1405         return RPC_E_DISCONNECTED;
1406     }
1407     chanbuf = tpinfo->chanbuf;
1408     IRpcChannelBuffer_AddRef(chanbuf);
1409
1410     LeaveCriticalSection(&tpinfo->crit);
1411
1412     if (relaydeb) {
1413        TRACE_(olerelay)("->");
1414         if (iname)
1415             TRACE_(olerelay)("%s:",relaystr(iname));
1416         if (fname)
1417             TRACE_(olerelay)("%s(%d)",relaystr(fname),method);
1418         else
1419             TRACE_(olerelay)("%d",method);
1420         TRACE_(olerelay)("(");
1421     }
1422
1423     SysFreeString(iname);
1424     SysFreeString(fname);
1425
1426     memset(&buf,0,sizeof(buf));
1427
1428     /* normal typelib driven serializing */
1429
1430     /* Need them for hack below */
1431     memset(names,0,sizeof(names));
1432     if (ITypeInfo_GetNames(tinfo,fdesc->memid,names,sizeof(names)/sizeof(names[0]),&nrofnames))
1433         nrofnames = 0;
1434     if (nrofnames > sizeof(names)/sizeof(names[0]))
1435         ERR("Need more names!\n");
1436
1437     xargs = args;
1438     for (i=0;i<fdesc->cParams;i++) {
1439         ELEMDESC        *elem = fdesc->lprgelemdescParam+i;
1440         if (relaydeb) {
1441             if (i) TRACE_(olerelay)(",");
1442             if (i+1<nrofnames && names[i+1])
1443                 TRACE_(olerelay)("%s=",relaystr(names[i+1]));
1444         }
1445         /* No need to marshal other data than FIN and any VT_PTR. */
1446         if (!is_in_elem(elem) && (elem->tdesc.vt != VT_PTR)) {
1447             xargs+=_argsize(&elem->tdesc, tinfo);
1448             if (relaydeb) TRACE_(olerelay)("[out]");
1449             continue;
1450         }
1451         hres = serialize_param(
1452             tinfo,
1453             is_in_elem(elem),
1454             relaydeb,
1455             FALSE,
1456             &elem->tdesc,
1457             xargs,
1458             &buf
1459         );
1460
1461         if (hres) {
1462             ERR("Failed to serialize param, hres %x\n",hres);
1463             break;
1464         }
1465         xargs+=_argsize(&elem->tdesc, tinfo);
1466     }
1467     if (relaydeb) TRACE_(olerelay)(")");
1468
1469     memset(&msg,0,sizeof(msg));
1470     msg.cbBuffer = buf.curoff;
1471     msg.iMethod  = method;
1472     hres = IRpcChannelBuffer_GetBuffer(chanbuf,&msg,&(tpinfo->iid));
1473     if (hres) {
1474         ERR("RpcChannelBuffer GetBuffer failed, %x\n",hres);
1475         goto exit;
1476     }
1477     memcpy(msg.Buffer,buf.base,buf.curoff);
1478     if (relaydeb) TRACE_(olerelay)("\n");
1479     hres = IRpcChannelBuffer_SendReceive(chanbuf,&msg,&status);
1480     if (hres) {
1481         ERR("RpcChannelBuffer SendReceive failed, %x\n",hres);
1482         goto exit;
1483     }
1484
1485     if (relaydeb) TRACE_(olerelay)(" status = %08x (",status);
1486     if (buf.base)
1487         buf.base = HeapReAlloc(GetProcessHeap(),0,buf.base,msg.cbBuffer);
1488     else
1489         buf.base = HeapAlloc(GetProcessHeap(),0,msg.cbBuffer);
1490     buf.size = msg.cbBuffer;
1491     memcpy(buf.base,msg.Buffer,buf.size);
1492     buf.curoff = 0;
1493
1494     /* generic deserializer using typelib description */
1495     xargs = args;
1496     status = S_OK;
1497     for (i=0;i<fdesc->cParams;i++) {
1498         ELEMDESC        *elem = fdesc->lprgelemdescParam+i;
1499
1500         if (relaydeb) {
1501             if (i) TRACE_(olerelay)(",");
1502             if (i+1<nrofnames && names[i+1]) TRACE_(olerelay)("%s=",relaystr(names[i+1]));
1503         }
1504         /* No need to marshal other data than FOUT and any VT_PTR */
1505         if (!is_out_elem(elem) && (elem->tdesc.vt != VT_PTR)) {
1506             xargs += _argsize(&elem->tdesc, tinfo);
1507             if (relaydeb) TRACE_(olerelay)("[in]");
1508             continue;
1509         }
1510         hres = deserialize_param(
1511             tinfo,
1512             is_out_elem(elem),
1513             relaydeb,
1514             FALSE,
1515             &(elem->tdesc),
1516             xargs,
1517             &buf
1518         );
1519         if (hres) {
1520             ERR("Failed to unmarshall param, hres %x\n",hres);
1521             status = hres;
1522             break;
1523         }
1524         xargs += _argsize(&elem->tdesc, tinfo);
1525     }
1526
1527     hres = xbuf_get(&buf, (LPBYTE)&remoteresult, sizeof(DWORD));
1528     if (hres != S_OK)
1529         goto exit;
1530     if (relaydeb) TRACE_(olerelay)(") = %08x\n", remoteresult);
1531
1532     hres = remoteresult;
1533
1534 exit:
1535     IRpcChannelBuffer_FreeBuffer(chanbuf,&msg);
1536     for (i = 0; i < nrofnames; i++)
1537         SysFreeString(names[i]);
1538     HeapFree(GetProcessHeap(),0,buf.base);
1539     IRpcChannelBuffer_Release(chanbuf);
1540     ITypeInfo_Release(tinfo);
1541     TRACE("-- 0x%08x\n", hres);
1542     return hres;
1543 }
1544
1545 static HRESULT WINAPI ProxyIUnknown_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
1546 {
1547     TMProxyImpl *proxy = (TMProxyImpl *)iface;
1548
1549     TRACE("(%s, %p)\n", debugstr_guid(riid), ppv);
1550
1551     if (proxy->outerunknown)
1552         return IUnknown_QueryInterface(proxy->outerunknown, riid, ppv);
1553
1554     FIXME("No interface\n");
1555     return E_NOINTERFACE;
1556 }
1557
1558 static ULONG WINAPI ProxyIUnknown_AddRef(IUnknown *iface)
1559 {
1560     TMProxyImpl *proxy = (TMProxyImpl *)iface;
1561
1562     TRACE("\n");
1563
1564     if (proxy->outerunknown)
1565         return IUnknown_AddRef(proxy->outerunknown);
1566
1567     return 2; /* FIXME */
1568 }
1569
1570 static ULONG WINAPI ProxyIUnknown_Release(IUnknown *iface)
1571 {
1572     TMProxyImpl *proxy = (TMProxyImpl *)iface;
1573
1574     TRACE("\n");
1575
1576     if (proxy->outerunknown)
1577         return IUnknown_Release(proxy->outerunknown);
1578
1579     return 1; /* FIXME */
1580 }
1581
1582 static HRESULT WINAPI ProxyIDispatch_GetTypeInfoCount(LPDISPATCH iface, UINT * pctinfo)
1583 {
1584     TMProxyImpl *This = (TMProxyImpl *)iface;
1585
1586     TRACE("(%p)\n", pctinfo);
1587
1588     return IDispatch_GetTypeInfoCount(This->dispatch, pctinfo);
1589 }
1590
1591 static HRESULT WINAPI ProxyIDispatch_GetTypeInfo(LPDISPATCH iface, UINT iTInfo, LCID lcid, ITypeInfo** ppTInfo)
1592 {
1593     TMProxyImpl *This = (TMProxyImpl *)iface;
1594
1595     TRACE("(%d, %x, %p)\n", iTInfo, lcid, ppTInfo);
1596
1597     return IDispatch_GetTypeInfo(This->dispatch, iTInfo, lcid, ppTInfo);
1598 }
1599
1600 static HRESULT WINAPI ProxyIDispatch_GetIDsOfNames(LPDISPATCH iface, REFIID riid, LPOLESTR * rgszNames, UINT cNames, LCID lcid, DISPID * rgDispId)
1601 {
1602     TMProxyImpl *This = (TMProxyImpl *)iface;
1603
1604     TRACE("(%s, %p, %d, 0x%x, %p)\n", debugstr_guid(riid), rgszNames, cNames, lcid, rgDispId);
1605
1606     return IDispatch_GetIDsOfNames(This->dispatch, riid, rgszNames,
1607                                    cNames, lcid, rgDispId);
1608 }
1609
1610 static HRESULT WINAPI ProxyIDispatch_Invoke(LPDISPATCH iface, DISPID dispIdMember, REFIID riid, LCID lcid,
1611                                             WORD wFlags, DISPPARAMS * pDispParams, VARIANT * pVarResult,
1612                                             EXCEPINFO * pExcepInfo, UINT * puArgErr)
1613 {
1614     TMProxyImpl *This = (TMProxyImpl *)iface;
1615
1616     TRACE("(%d, %s, 0x%x, 0x%x, %p, %p, %p, %p)\n", dispIdMember,
1617           debugstr_guid(riid), lcid, wFlags, pDispParams, pVarResult,
1618           pExcepInfo, puArgErr);
1619
1620     return IDispatch_Invoke(This->dispatch, dispIdMember, riid, lcid,
1621                             wFlags, pDispParams, pVarResult, pExcepInfo,
1622                             puArgErr);
1623 }
1624
1625 typedef struct
1626 {
1627     const IRpcChannelBufferVtbl *lpVtbl;
1628     LONG                  refs;
1629     /* the IDispatch-derived interface we are handling */
1630         IID                   tmarshal_iid;
1631     IRpcChannelBuffer    *pDelegateChannel;
1632 } TMarshalDispatchChannel;
1633
1634 static HRESULT WINAPI TMarshalDispatchChannel_QueryInterface(LPRPCCHANNELBUFFER iface, REFIID riid, LPVOID *ppv)
1635 {
1636     *ppv = NULL;
1637     if (IsEqualIID(riid,&IID_IRpcChannelBuffer) || IsEqualIID(riid,&IID_IUnknown))
1638     {
1639         *ppv = (LPVOID)iface;
1640         IUnknown_AddRef(iface);
1641         return S_OK;
1642     }
1643     return E_NOINTERFACE;
1644 }
1645
1646 static ULONG WINAPI TMarshalDispatchChannel_AddRef(LPRPCCHANNELBUFFER iface)
1647 {
1648     TMarshalDispatchChannel *This = (TMarshalDispatchChannel *)iface;
1649     return InterlockedIncrement(&This->refs);
1650 }
1651
1652 static ULONG WINAPI TMarshalDispatchChannel_Release(LPRPCCHANNELBUFFER iface)
1653 {
1654     TMarshalDispatchChannel *This = (TMarshalDispatchChannel *)iface;
1655     ULONG ref;
1656
1657     ref = InterlockedDecrement(&This->refs);
1658     if (ref)
1659         return ref;
1660
1661         IRpcChannelBuffer_Release(This->pDelegateChannel);
1662     HeapFree(GetProcessHeap(), 0, This);
1663     return 0;
1664 }
1665
1666 static HRESULT WINAPI TMarshalDispatchChannel_GetBuffer(LPRPCCHANNELBUFFER iface, RPCOLEMESSAGE* olemsg, REFIID riid)
1667 {
1668     TMarshalDispatchChannel *This = (TMarshalDispatchChannel *)iface;
1669     TRACE("(%p, %s)\n", olemsg, debugstr_guid(riid));
1670     /* Note: we are pretending to invoke a method on the interface identified
1671      * by tmarshal_iid so that we can re-use the IDispatch proxy/stub code
1672      * without the RPC runtime getting confused by not exporting an IDispatch interface */
1673     return IRpcChannelBuffer_GetBuffer(This->pDelegateChannel, olemsg, &This->tmarshal_iid);
1674 }
1675
1676 static HRESULT WINAPI TMarshalDispatchChannel_SendReceive(LPRPCCHANNELBUFFER iface, RPCOLEMESSAGE *olemsg, ULONG *pstatus)
1677 {
1678     TMarshalDispatchChannel *This = (TMarshalDispatchChannel *)iface;
1679     TRACE("(%p, %p)\n", olemsg, pstatus);
1680     return IRpcChannelBuffer_SendReceive(This->pDelegateChannel, olemsg, pstatus);
1681 }
1682
1683 static HRESULT WINAPI TMarshalDispatchChannel_FreeBuffer(LPRPCCHANNELBUFFER iface, RPCOLEMESSAGE* olemsg)
1684 {
1685     TMarshalDispatchChannel *This = (TMarshalDispatchChannel *)iface;
1686     TRACE("(%p)\n", olemsg);
1687     return IRpcChannelBuffer_FreeBuffer(This->pDelegateChannel, olemsg);
1688 }
1689
1690 static HRESULT WINAPI TMarshalDispatchChannel_GetDestCtx(LPRPCCHANNELBUFFER iface, DWORD* pdwDestContext, void** ppvDestContext)
1691 {
1692     TMarshalDispatchChannel *This = (TMarshalDispatchChannel *)iface;
1693     TRACE("(%p,%p)\n", pdwDestContext, ppvDestContext);
1694     return IRpcChannelBuffer_GetDestCtx(This->pDelegateChannel, pdwDestContext, ppvDestContext);
1695 }
1696
1697 static HRESULT WINAPI TMarshalDispatchChannel_IsConnected(LPRPCCHANNELBUFFER iface)
1698 {
1699     TMarshalDispatchChannel *This = (TMarshalDispatchChannel *)iface;
1700     TRACE("()\n");
1701     return IRpcChannelBuffer_IsConnected(This->pDelegateChannel);
1702 }
1703
1704 static const IRpcChannelBufferVtbl TMarshalDispatchChannelVtbl =
1705 {
1706     TMarshalDispatchChannel_QueryInterface,
1707     TMarshalDispatchChannel_AddRef,
1708     TMarshalDispatchChannel_Release,
1709     TMarshalDispatchChannel_GetBuffer,
1710     TMarshalDispatchChannel_SendReceive,
1711     TMarshalDispatchChannel_FreeBuffer,
1712     TMarshalDispatchChannel_GetDestCtx,
1713     TMarshalDispatchChannel_IsConnected
1714 };
1715
1716 static HRESULT TMarshalDispatchChannel_Create(
1717     IRpcChannelBuffer *pDelegateChannel, REFIID tmarshal_riid,
1718     IRpcChannelBuffer **ppChannel)
1719 {
1720     TMarshalDispatchChannel *This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
1721     if (!This)
1722         return E_OUTOFMEMORY;
1723
1724     This->lpVtbl = &TMarshalDispatchChannelVtbl;
1725     This->refs = 1;
1726     IRpcChannelBuffer_AddRef(pDelegateChannel);
1727     This->pDelegateChannel = pDelegateChannel;
1728     This->tmarshal_iid = *tmarshal_riid;
1729
1730     *ppChannel = (IRpcChannelBuffer *)&This->lpVtbl;
1731     return S_OK;
1732 }
1733
1734
1735 static inline HRESULT get_facbuf_for_iid(REFIID riid, IPSFactoryBuffer **facbuf)
1736 {
1737     HRESULT       hr;
1738     CLSID         clsid;
1739
1740     if ((hr = CoGetPSClsid(riid, &clsid)))
1741         return hr;
1742     return CoGetClassObject(&clsid, CLSCTX_INPROC_SERVER, NULL,
1743                              &IID_IPSFactoryBuffer, (LPVOID*)facbuf);
1744 }
1745
1746 static HRESULT init_proxy_entry_point(TMProxyImpl *proxy, unsigned int num)
1747 {
1748     int j;
1749     /* nrofargs without This */
1750     int nrofargs;
1751     ITypeInfo *tinfo2;
1752     TMAsmProxy  *xasm = proxy->asmstubs + num;
1753     HRESULT hres;
1754     const FUNCDESC *fdesc;
1755
1756     hres = get_funcdesc(proxy->tinfo, num, &tinfo2, &fdesc, NULL, NULL, NULL);
1757     if (hres) {
1758         ERR("GetFuncDesc %x should not fail here.\n",hres);
1759         return hres;
1760     }
1761     ITypeInfo_Release(tinfo2);
1762     /* some args take more than 4 byte on the stack */
1763     nrofargs = 0;
1764     for (j=0;j<fdesc->cParams;j++)
1765         nrofargs += _argsize(&fdesc->lprgelemdescParam[j].tdesc, proxy->tinfo);
1766
1767 #ifdef __i386__
1768     if (fdesc->callconv != CC_STDCALL) {
1769         ERR("calling convention is not stdcall????\n");
1770         return E_FAIL;
1771     }
1772 /* popl %eax    -       return ptr
1773  * pushl <nr>
1774  * pushl %eax
1775  * call xCall
1776  * lret <nr> (+4)
1777  *
1778  *
1779  * arg3 arg2 arg1 <method> <returnptr>
1780  */
1781     xasm->popleax       = 0x58;
1782     xasm->pushlval      = 0x68;
1783     xasm->nr            = num;
1784     xasm->pushleax      = 0x50;
1785     xasm->lcall         = 0xe8; /* relative jump */
1786     xasm->xcall         = (DWORD)xCall;
1787     xasm->xcall        -= (DWORD)&(xasm->lret);
1788     xasm->lret          = 0xc2;
1789     xasm->bytestopop    = (nrofargs+2)*4; /* pop args, This, iMethod */
1790     xasm->nop           = 0x90;
1791     proxy->lpvtbl[num]  = xasm;
1792 #else
1793     FIXME("not implemented on non i386\n");
1794     return E_FAIL;
1795 #endif
1796     return S_OK;
1797 }
1798
1799 static HRESULT WINAPI
1800 PSFacBuf_CreateProxy(
1801     LPPSFACTORYBUFFER iface, IUnknown* pUnkOuter, REFIID riid,
1802     IRpcProxyBuffer **ppProxy, LPVOID *ppv)
1803 {
1804     HRESULT     hres;
1805     ITypeInfo   *tinfo;
1806     unsigned int i, nroffuncs;
1807     TMProxyImpl *proxy;
1808     TYPEATTR    *typeattr;
1809     BOOL        defer_to_dispatch = FALSE;
1810
1811     TRACE("(...%s...)\n",debugstr_guid(riid));
1812     hres = _get_typeinfo_for_iid(riid,&tinfo);
1813     if (hres) {
1814         ERR("No typeinfo for %s?\n",debugstr_guid(riid));
1815         return hres;
1816     }
1817
1818     hres = num_of_funcs(tinfo, &nroffuncs);
1819     if (FAILED(hres)) {
1820         ERR("Cannot get number of functions for typeinfo %s\n",debugstr_guid(riid));
1821         ITypeInfo_Release(tinfo);
1822         return hres;
1823     }
1824
1825     proxy = CoTaskMemAlloc(sizeof(TMProxyImpl));
1826     if (!proxy) return E_OUTOFMEMORY;
1827
1828     assert(sizeof(TMAsmProxy) == 16);
1829
1830     proxy->dispatch = NULL;
1831     proxy->dispatch_proxy = NULL;
1832     proxy->outerunknown = pUnkOuter;
1833     proxy->asmstubs = VirtualAlloc(NULL, sizeof(TMAsmProxy) * nroffuncs, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
1834     if (!proxy->asmstubs) {
1835         ERR("Could not commit pages for proxy thunks\n");
1836         CoTaskMemFree(proxy);
1837         return E_OUTOFMEMORY;
1838     }
1839     proxy->lpvtbl2      = &tmproxyvtable;
1840     /* one reference for the proxy */
1841     proxy->ref          = 1;
1842     proxy->tinfo        = tinfo;
1843     proxy->iid          = *riid;
1844     proxy->chanbuf      = 0;
1845
1846     InitializeCriticalSection(&proxy->crit);
1847     proxy->crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": TMProxyImpl.crit");
1848
1849     proxy->lpvtbl = HeapAlloc(GetProcessHeap(),0,sizeof(LPBYTE)*nroffuncs);
1850
1851     /* if we derive from IDispatch then defer to its proxy for its methods */
1852     hres = ITypeInfo_GetTypeAttr(tinfo, &typeattr);
1853     if (hres == S_OK)
1854     {
1855         if (typeattr->wTypeFlags & TYPEFLAG_FDISPATCHABLE)
1856         {
1857             IPSFactoryBuffer *factory_buffer;
1858             hres = get_facbuf_for_iid(&IID_IDispatch, &factory_buffer);
1859             if (hres == S_OK)
1860             {
1861                 hres = IPSFactoryBuffer_CreateProxy(factory_buffer, NULL,
1862                     &IID_IDispatch, &proxy->dispatch_proxy,
1863                     (void **)&proxy->dispatch);
1864                 IPSFactoryBuffer_Release(factory_buffer);
1865             }
1866             if ((hres == S_OK) && (nroffuncs < 7))
1867             {
1868                 ERR("nroffuncs calculated incorrectly (%d)\n", nroffuncs);
1869                 hres = E_UNEXPECTED;
1870             }
1871             if (hres == S_OK)
1872             {
1873                 defer_to_dispatch = TRUE;
1874             }
1875         }
1876         ITypeInfo_ReleaseTypeAttr(tinfo, typeattr);
1877     }
1878
1879     for (i=0;i<nroffuncs;i++) {
1880         switch (i) {
1881         case 0:
1882                 proxy->lpvtbl[i] = ProxyIUnknown_QueryInterface;
1883                 break;
1884         case 1:
1885                 proxy->lpvtbl[i] = ProxyIUnknown_AddRef;
1886                 break;
1887         case 2:
1888                 proxy->lpvtbl[i] = ProxyIUnknown_Release;
1889                 break;
1890         case 3:
1891                 if(!defer_to_dispatch)
1892                 {
1893                     hres = init_proxy_entry_point(proxy, i);
1894                     if(FAILED(hres)) return hres;
1895                 }
1896                 else proxy->lpvtbl[3] = ProxyIDispatch_GetTypeInfoCount;
1897                 break;
1898         case 4:
1899                 if(!defer_to_dispatch)
1900                 {
1901                     hres = init_proxy_entry_point(proxy, i);
1902                     if(FAILED(hres)) return hres;
1903                 }
1904                 else proxy->lpvtbl[4] = ProxyIDispatch_GetTypeInfo;
1905                 break;
1906         case 5:
1907                 if(!defer_to_dispatch)
1908                 {
1909                     hres = init_proxy_entry_point(proxy, i);
1910                     if(FAILED(hres)) return hres;
1911                 }
1912                 else proxy->lpvtbl[5] = ProxyIDispatch_GetIDsOfNames;
1913                 break;
1914         case 6:
1915                 if(!defer_to_dispatch)
1916                 {
1917                     hres = init_proxy_entry_point(proxy, i);
1918                     if(FAILED(hres)) return hres;
1919                 }
1920                 else proxy->lpvtbl[6] = ProxyIDispatch_Invoke;
1921                 break;
1922         default:
1923                 hres = init_proxy_entry_point(proxy, i);
1924                 if(FAILED(hres)) return hres;
1925         }
1926     }
1927
1928     if (hres == S_OK)
1929     {
1930         *ppv            = (LPVOID)proxy;
1931         *ppProxy                = (IRpcProxyBuffer *)&(proxy->lpvtbl2);
1932         IUnknown_AddRef((IUnknown *)*ppv);
1933         return S_OK;
1934     }
1935     else
1936         TMProxyImpl_Release((IRpcProxyBuffer *)&proxy->lpvtbl2);
1937     return hres;
1938 }
1939
1940 typedef struct _TMStubImpl {
1941     const IRpcStubBufferVtbl   *lpvtbl;
1942     LONG                        ref;
1943
1944     LPUNKNOWN                   pUnk;
1945     ITypeInfo                   *tinfo;
1946     IID                         iid;
1947     IRpcStubBuffer              *dispatch_stub;
1948     BOOL                        dispatch_derivative;
1949 } TMStubImpl;
1950
1951 static HRESULT WINAPI
1952 TMStubImpl_QueryInterface(LPRPCSTUBBUFFER iface, REFIID riid, LPVOID *ppv)
1953 {
1954     if (IsEqualIID(riid,&IID_IRpcStubBuffer)||IsEqualIID(riid,&IID_IUnknown)){
1955         *ppv = (LPVOID)iface;
1956         IRpcStubBuffer_AddRef(iface);
1957         return S_OK;
1958     }
1959     FIXME("%s, not supported IID.\n",debugstr_guid(riid));
1960     return E_NOINTERFACE;
1961 }
1962
1963 static ULONG WINAPI
1964 TMStubImpl_AddRef(LPRPCSTUBBUFFER iface)
1965 {
1966     TMStubImpl *This = (TMStubImpl *)iface;
1967     ULONG refCount = InterlockedIncrement(&This->ref);
1968
1969     TRACE("(%p)->(ref before=%u)\n", This, refCount - 1);
1970
1971     return refCount;
1972 }
1973
1974 static ULONG WINAPI
1975 TMStubImpl_Release(LPRPCSTUBBUFFER iface)
1976 {
1977     TMStubImpl *This = (TMStubImpl *)iface;
1978     ULONG refCount = InterlockedDecrement(&This->ref);
1979
1980     TRACE("(%p)->(ref before=%u)\n", This, refCount + 1);
1981
1982     if (!refCount)
1983     {
1984         IRpcStubBuffer_Disconnect(iface);
1985         ITypeInfo_Release(This->tinfo);
1986         if (This->dispatch_stub)
1987             IRpcStubBuffer_Release(This->dispatch_stub);
1988         CoTaskMemFree(This);
1989     }
1990     return refCount;
1991 }
1992
1993 static HRESULT WINAPI
1994 TMStubImpl_Connect(LPRPCSTUBBUFFER iface, LPUNKNOWN pUnkServer)
1995 {
1996     TMStubImpl *This = (TMStubImpl *)iface;
1997
1998     TRACE("(%p)->(%p)\n", This, pUnkServer);
1999
2000     IUnknown_AddRef(pUnkServer);
2001     This->pUnk = pUnkServer;
2002
2003     if (This->dispatch_stub)
2004         IRpcStubBuffer_Connect(This->dispatch_stub, pUnkServer);
2005
2006     return S_OK;
2007 }
2008
2009 static void WINAPI
2010 TMStubImpl_Disconnect(LPRPCSTUBBUFFER iface)
2011 {
2012     TMStubImpl *This = (TMStubImpl *)iface;
2013
2014     TRACE("(%p)->()\n", This);
2015
2016     if (This->pUnk)
2017     {
2018         IUnknown_Release(This->pUnk);
2019         This->pUnk = NULL;
2020     }
2021
2022     if (This->dispatch_stub)
2023         IRpcStubBuffer_Disconnect(This->dispatch_stub);
2024 }
2025
2026 static HRESULT WINAPI
2027 TMStubImpl_Invoke(
2028     LPRPCSTUBBUFFER iface, RPCOLEMESSAGE* xmsg,IRpcChannelBuffer*rpcchanbuf)
2029 {
2030     int         i;
2031     const FUNCDESC *fdesc;
2032     TMStubImpl *This = (TMStubImpl *)iface;
2033     HRESULT     hres;
2034     DWORD       *args = NULL, res, *xargs, nrofargs;
2035     marshal_state       buf;
2036     UINT        nrofnames = 0;
2037     BSTR        names[10];
2038     BSTR        iname = NULL;
2039     ITypeInfo   *tinfo = NULL;
2040
2041     TRACE("...\n");
2042
2043     if (xmsg->iMethod < 3) {
2044         ERR("IUnknown methods cannot be marshaled by the typelib marshaler\n");
2045         return E_UNEXPECTED;
2046     }
2047
2048     if (This->dispatch_derivative && xmsg->iMethod < sizeof(IDispatchVtbl)/sizeof(void *))
2049     {
2050         IPSFactoryBuffer *factory_buffer;
2051         hres = get_facbuf_for_iid(&IID_IDispatch, &factory_buffer);
2052         if (hres == S_OK)
2053         {
2054             hres = IPSFactoryBuffer_CreateStub(factory_buffer, &IID_IDispatch,
2055                 This->pUnk, &This->dispatch_stub);
2056             IPSFactoryBuffer_Release(factory_buffer);
2057         }
2058         if (hres != S_OK)
2059             return hres;
2060         return IRpcStubBuffer_Invoke(This->dispatch_stub, xmsg, rpcchanbuf);
2061     }
2062
2063     memset(&buf,0,sizeof(buf));
2064     buf.size    = xmsg->cbBuffer;
2065     buf.base    = HeapAlloc(GetProcessHeap(), 0, xmsg->cbBuffer);
2066     memcpy(buf.base, xmsg->Buffer, xmsg->cbBuffer);
2067     buf.curoff  = 0;
2068
2069     hres = get_funcdesc(This->tinfo,xmsg->iMethod,&tinfo,&fdesc,&iname,NULL,NULL);
2070     if (hres) {
2071         ERR("GetFuncDesc on method %d failed with %x\n",xmsg->iMethod,hres);
2072         return hres;
2073     }
2074
2075     if (iname && !lstrcmpW(iname, IDispatchW))
2076     {
2077         ERR("IDispatch cannot be marshaled by the typelib marshaler\n");
2078         hres = E_UNEXPECTED;
2079         SysFreeString (iname);
2080         goto exit;
2081     }
2082
2083     SysFreeString (iname);
2084
2085     /* Need them for hack below */
2086     memset(names,0,sizeof(names));
2087     ITypeInfo_GetNames(tinfo,fdesc->memid,names,sizeof(names)/sizeof(names[0]),&nrofnames);
2088     if (nrofnames > sizeof(names)/sizeof(names[0])) {
2089         ERR("Need more names!\n");
2090     }
2091
2092     /*dump_FUNCDESC(fdesc);*/
2093     nrofargs = 0;
2094     for (i=0;i<fdesc->cParams;i++)
2095         nrofargs += _argsize(&fdesc->lprgelemdescParam[i].tdesc, tinfo);
2096     args = HeapAlloc(GetProcessHeap(),0,(nrofargs+1)*sizeof(DWORD));
2097     if (!args)
2098     {
2099         hres = E_OUTOFMEMORY;
2100         goto exit;
2101     }
2102
2103     /* Allocate all stuff used by call. */
2104     xargs = args+1;
2105     for (i=0;i<fdesc->cParams;i++) {
2106         ELEMDESC        *elem = fdesc->lprgelemdescParam+i;
2107
2108         hres = deserialize_param(
2109            tinfo,
2110            is_in_elem(elem),
2111            FALSE,
2112            TRUE,
2113            &(elem->tdesc),
2114            xargs,
2115            &buf
2116         );
2117         xargs += _argsize(&elem->tdesc, tinfo);
2118         if (hres) {
2119             ERR("Failed to deserialize param %s, hres %x\n",relaystr(names[i+1]),hres);
2120             break;
2121         }
2122     }
2123
2124     args[0] = (DWORD)This->pUnk;
2125
2126     __TRY
2127     {
2128         res = _invoke(
2129             (*((FARPROC**)args[0]))[fdesc->oVft/4],
2130             fdesc->callconv,
2131             (xargs-args),
2132             args
2133         );
2134     }
2135     __EXCEPT_ALL
2136     {
2137         DWORD dwExceptionCode = GetExceptionCode();
2138         ERR("invoke call failed with exception 0x%08x (%d)\n", dwExceptionCode, dwExceptionCode);
2139         if (FAILED(dwExceptionCode))
2140             hres = dwExceptionCode;
2141         else
2142             hres = HRESULT_FROM_WIN32(dwExceptionCode);
2143     }
2144     __ENDTRY
2145
2146     if (hres != S_OK)
2147         goto exit;
2148
2149     buf.curoff = 0;
2150
2151     xargs = args+1;
2152     for (i=0;i<fdesc->cParams;i++) {
2153         ELEMDESC        *elem = fdesc->lprgelemdescParam+i;
2154         hres = serialize_param(
2155            tinfo,
2156            is_out_elem(elem),
2157            FALSE,
2158            TRUE,
2159            &elem->tdesc,
2160            xargs,
2161            &buf
2162         );
2163         xargs += _argsize(&elem->tdesc, tinfo);
2164         if (hres) {
2165             ERR("Failed to stuballoc param, hres %x\n",hres);
2166             break;
2167         }
2168     }
2169
2170     hres = xbuf_add (&buf, (LPBYTE)&res, sizeof(DWORD));
2171
2172     if (hres != S_OK)
2173         goto exit;
2174
2175     xmsg->cbBuffer      = buf.curoff;
2176     hres = IRpcChannelBuffer_GetBuffer(rpcchanbuf, xmsg, &This->iid);
2177     if (hres != S_OK)
2178         ERR("IRpcChannelBuffer_GetBuffer failed with error 0x%08x\n", hres);
2179
2180     if (hres == S_OK)
2181         memcpy(xmsg->Buffer, buf.base, buf.curoff);
2182
2183 exit:
2184     for (i = 0; i < nrofnames; i++)
2185         SysFreeString(names[i]);
2186
2187     ITypeInfo_Release(tinfo);
2188     HeapFree(GetProcessHeap(), 0, args);
2189
2190     HeapFree(GetProcessHeap(), 0, buf.base);
2191
2192     TRACE("returning\n");
2193     return hres;
2194 }
2195
2196 static LPRPCSTUBBUFFER WINAPI
2197 TMStubImpl_IsIIDSupported(LPRPCSTUBBUFFER iface, REFIID riid) {
2198     FIXME("Huh (%s)?\n",debugstr_guid(riid));
2199     return NULL;
2200 }
2201
2202 static ULONG WINAPI
2203 TMStubImpl_CountRefs(LPRPCSTUBBUFFER iface) {
2204     TMStubImpl *This = (TMStubImpl *)iface;
2205
2206     FIXME("()\n");
2207     return This->ref; /*FIXME? */
2208 }
2209
2210 static HRESULT WINAPI
2211 TMStubImpl_DebugServerQueryInterface(LPRPCSTUBBUFFER iface, LPVOID *ppv) {
2212     return E_NOTIMPL;
2213 }
2214
2215 static void WINAPI
2216 TMStubImpl_DebugServerRelease(LPRPCSTUBBUFFER iface, LPVOID ppv) {
2217     return;
2218 }
2219
2220 static const IRpcStubBufferVtbl tmstubvtbl = {
2221     TMStubImpl_QueryInterface,
2222     TMStubImpl_AddRef,
2223     TMStubImpl_Release,
2224     TMStubImpl_Connect,
2225     TMStubImpl_Disconnect,
2226     TMStubImpl_Invoke,
2227     TMStubImpl_IsIIDSupported,
2228     TMStubImpl_CountRefs,
2229     TMStubImpl_DebugServerQueryInterface,
2230     TMStubImpl_DebugServerRelease
2231 };
2232
2233 static HRESULT WINAPI
2234 PSFacBuf_CreateStub(
2235     LPPSFACTORYBUFFER iface, REFIID riid,IUnknown *pUnkServer,
2236     IRpcStubBuffer** ppStub
2237 ) {
2238     HRESULT hres;
2239     ITypeInfo   *tinfo;
2240     TMStubImpl  *stub;
2241     TYPEATTR *typeattr;
2242
2243     TRACE("(%s,%p,%p)\n",debugstr_guid(riid),pUnkServer,ppStub);
2244
2245     hres = _get_typeinfo_for_iid(riid,&tinfo);
2246     if (hres) {
2247         ERR("No typeinfo for %s?\n",debugstr_guid(riid));
2248         return hres;
2249     }
2250
2251     stub = CoTaskMemAlloc(sizeof(TMStubImpl));
2252     if (!stub)
2253         return E_OUTOFMEMORY;
2254     stub->lpvtbl        = &tmstubvtbl;
2255     stub->ref           = 1;
2256     stub->tinfo         = tinfo;
2257     stub->dispatch_stub = NULL;
2258     stub->dispatch_derivative = FALSE;
2259     stub->iid           = *riid;
2260     hres = IRpcStubBuffer_Connect((LPRPCSTUBBUFFER)stub,pUnkServer);
2261     *ppStub             = (LPRPCSTUBBUFFER)stub;
2262     TRACE("IRpcStubBuffer: %p\n", stub);
2263     if (hres)
2264         ERR("Connect to pUnkServer failed?\n");
2265
2266     /* if we derive from IDispatch then defer to its stub for some of its methods */
2267     hres = ITypeInfo_GetTypeAttr(tinfo, &typeattr);
2268     if (hres == S_OK)
2269     {
2270         if (typeattr->wTypeFlags & TYPEFLAG_FDISPATCHABLE)
2271             stub->dispatch_derivative = TRUE;
2272         ITypeInfo_ReleaseTypeAttr(tinfo, typeattr);
2273     }
2274
2275     return hres;
2276 }
2277
2278 static const IPSFactoryBufferVtbl psfacbufvtbl = {
2279     PSFacBuf_QueryInterface,
2280     PSFacBuf_AddRef,
2281     PSFacBuf_Release,
2282     PSFacBuf_CreateProxy,
2283     PSFacBuf_CreateStub
2284 };
2285
2286 /* This is the whole PSFactoryBuffer object, just the vtableptr */
2287 static const IPSFactoryBufferVtbl *lppsfac = &psfacbufvtbl;
2288
2289 /***********************************************************************
2290  *           TMARSHAL_DllGetClassObject
2291  */
2292 HRESULT TMARSHAL_DllGetClassObject(REFCLSID rclsid, REFIID iid,LPVOID *ppv)
2293 {
2294     if (IsEqualIID(iid,&IID_IPSFactoryBuffer)) {
2295         *ppv = &lppsfac;
2296         return S_OK;
2297     }
2298     return E_NOINTERFACE;
2299 }