dlls/ole32/rpc.c

   1 /*
   2  *      (Local) RPC Stuff
   3  *
   4  *  Copyright 2002  Marcus Meissner
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <stdlib.h>
  24 #include <stdio.h>
  25 #include <string.h>
  26 #include <assert.h>
  27
  28 #include "windef.h"
  29 #include "objbase.h"
  30 #include "ole2.h"
  31 #include "ole2ver.h"
  32 #include "rpc.h"
  33 #include "winerror.h"
  34 #include "winreg.h"
  35 #include "wownt32.h"
  36 #include "wtypes.h"
  37 #include "wine/unicode.h"
  38 #include "wine/obj_base.h"
  39 #include "wine/obj_clientserver.h"
  40 #include "wine/obj_misc.h"
  41 #include "wine/obj_marshal.h"
  42 #include "wine/obj_storage.h"
  43 #include "wine/obj_channel.h"
  44 #include "wine/winbase16.h"
  45 #include "compobj_private.h"
  46 #include "ifs.h"
  47
  48 #include "compobj_private.h"
  49
  50 #include "wine/debug.h"
  51
  52 WINE_DEFAULT_DEBUG_CHANNEL(ole);
  53
  54 typedef struct _wine_rpc_request {
  55     int                         state;
  56     HANDLE                      hPipe;  /* temp copy of handle */
  57     wine_rpc_request_header     reqh;
  58     wine_rpc_response_header    resph;
  59     LPBYTE                      Buffer;
  60 } wine_rpc_request;
  61
  62 static wine_rpc_request **reqs = NULL;
  63 static int nrofreqs = 0;
  64
  65 /* This pipe is _thread_ based */
  66 typedef struct _wine_pipe {
  67     wine_marshal_id     mid;    /* target mid */
  68     DWORD               tid;    /* thread in which we execute */
  69     HANDLE              hPipe;
  70
  71     int                 pending;
  72     HANDLE              hThread;
  73     CRITICAL_SECTION    crit;
  74 } wine_pipe;
  75
  76 static wine_pipe *pipes = NULL;
  77 static int nrofpipes = 0;
  78
  79 typedef struct _PipeBuf {
  80     ICOM_VTABLE(IRpcChannelBuffer)      *lpVtbl;
  81     DWORD                               ref;
  82
  83     wine_marshal_id                     mid;
  84     wine_pipe                           *pipe;
  85 } PipeBuf;
  86
  87 static int nrofreaders = 0;
  88
  89 static HRESULT WINAPI
  90 _xread(HANDLE hf, LPVOID ptr, DWORD size) {
  91     DWORD res;
  92     if (!ReadFile(hf,ptr,size,&res,NULL)) {
  93         FIXME("Failed to read from %x, le is %lx\n",hf,GetLastError());
  94         return E_FAIL;
  95     }
  96     if (res!=size) {
  97         FIXME("Read only %ld of %ld bytes.\n",res,size);
  98         return E_FAIL;
  99     }
 100     return S_OK;
 101 }
 102
 103 static void
 104 drs(LPCSTR where) {
 105     int i, states[10];
 106
 107     return ;
 108
 109     memset(states,0,sizeof(states));
 110     for (i=nrofreqs;i--;)
 111         states[reqs[i]->state]++;
 112     FIXME("%lx/%s/%d: rq %d, w %d, rg %d, rsq %d, rsg %d, d %d\n",
 113             GetCurrentProcessId(),
 114             where,
 115             nrofreaders,
 116             states[REQSTATE_REQ_QUEUED],
 117             states[REQSTATE_REQ_WAITING_FOR_REPLY],
 118             states[REQSTATE_REQ_GOT],
 119             states[REQSTATE_RESP_QUEUED],
 120             states[REQSTATE_RESP_GOT],
 121             states[REQSTATE_DONE]
 122     );
 123 }
 124
 125 static HRESULT WINAPI
 126 _xwrite(HANDLE hf, LPVOID ptr, DWORD size) {
 127     DWORD res;
 128     if (!WriteFile(hf,ptr,size,&res,NULL)) {
 129         FIXME("Failed to write to %x, le is %lx\n",hf,GetLastError());
 130         return E_FAIL;
 131     }
 132     if (res!=size) {
 133         FIXME("Wrote only %ld of %ld bytes.\n",res,size);
 134         return E_FAIL;
 135     }
 136     return S_OK;
 137 }
 138
 139 static DWORD WINAPI _StubReaderThread(LPVOID);
 140
 141 static HRESULT
 142 PIPE_RegisterPipe(wine_marshal_id *mid, HANDLE hPipe, BOOL startreader) {
 143   int   i;
 144   char  pipefn[100];
 145
 146   for (i=0;i<nrofpipes;i++)
 147     if (pipes[i].mid.processid==mid->processid)
 148       return S_OK;
 149   if (pipes)
 150     pipes=(wine_pipe*)HeapReAlloc(GetProcessHeap(),0,pipes,sizeof(pipes[0])*(nrofpipes+1));
 151   else
 152     pipes=(wine_pipe*)HeapAlloc(GetProcessHeap(),0,sizeof(pipes[0]));
 153   if (!pipes) return E_OUTOFMEMORY;
 154   sprintf(pipefn,OLESTUBMGR"_%08lx",mid->processid);
 155   memcpy(&(pipes[nrofpipes].mid),mid,sizeof(*mid));
 156   pipes[nrofpipes].hPipe        = hPipe;
 157   InitializeCriticalSection(&(pipes[nrofpipes].crit));
 158   nrofpipes++;
 159   if (startreader) {
 160       pipes[nrofpipes-1].hThread = CreateThread(NULL,0,_StubReaderThread,(LPVOID)pipes+(nrofpipes-1),0,&(pipes[nrofpipes-1].tid));
 161   } else {
 162       pipes[nrofpipes-1].tid     = GetCurrentThreadId();
 163   }
 164   return S_OK;
 165 }
 166
 167 static HANDLE
 168 PIPE_FindByMID(wine_marshal_id *mid) {
 169   int i;
 170   for (i=0;i<nrofpipes;i++)
 171     if ((pipes[i].mid.processid==mid->processid) &&
 172         (GetCurrentThreadId()==pipes[i].tid)
 173     )
 174       return pipes[i].hPipe;
 175   return INVALID_HANDLE_VALUE;
 176 }
 177
 178 static wine_pipe*
 179 PIPE_GetFromMID(wine_marshal_id *mid) {
 180   int i;
 181   for (i=0;i<nrofpipes;i++) {
 182     if ((pipes[i].mid.processid==mid->processid) &&
 183         (GetCurrentThreadId()==pipes[i].tid)
 184     )
 185       return pipes+i;
 186   }
 187   return NULL;
 188 }
 189
 190 static HRESULT
 191 RPC_GetRequest(wine_rpc_request **req) {
 192     static int reqid = 0xdeadbeef;
 193     int i;
 194
 195     for (i=0;i<nrofreqs;i++) { /* try to reuse */
 196         if (reqs[i]->state == REQSTATE_DONE) {
 197             reqs[i]->reqh.reqid = reqid++;
 198             reqs[i]->resph.reqid = reqs[i]->reqh.reqid;
 199             reqs[i]->hPipe = INVALID_HANDLE_VALUE;
 200             *req = reqs[i];
 201             reqs[i]->state = REQSTATE_START;
 202             return S_OK;
 203         }
 204     }
 205     /* create new */
 206     if (reqs)
 207         reqs = (wine_rpc_request**)HeapReAlloc(
 208                         GetProcessHeap(),
 209                         HEAP_ZERO_MEMORY,
 210                         reqs,
 211                         sizeof(wine_rpc_request*)*(nrofreqs+1)
 212                 );
 213     else
 214         reqs = (wine_rpc_request**)HeapAlloc(
 215                         GetProcessHeap(),
 216                         HEAP_ZERO_MEMORY,
 217                         sizeof(wine_rpc_request*)
 218                 );
 219     if (!reqs)
 220         return E_OUTOFMEMORY;
 221     reqs[nrofreqs] = (wine_rpc_request*)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(wine_rpc_request));
 222     reqs[nrofreqs]->reqh.reqid = reqid++;
 223     reqs[nrofreqs]->resph.reqid = reqs[nrofreqs]->reqh.reqid;
 224     reqs[nrofreqs]->hPipe = INVALID_HANDLE_VALUE;
 225     *req = reqs[nrofreqs];
 226     reqs[nrofreqs]->state = REQSTATE_START;
 227     nrofreqs++;
 228     return S_OK;
 229 }
 230
 231 static void
 232 RPC_FreeRequest(wine_rpc_request *req) {
 233     req->state = REQSTATE_DONE; /* Just reuse slot. */
 234     return;
 235 }
 236
 237 static HRESULT WINAPI
 238 PipeBuf_QueryInterface(
 239     LPRPCCHANNELBUFFER iface,REFIID riid,LPVOID *ppv
 240 ) {
 241     *ppv = NULL;
 242     if (IsEqualIID(riid,&IID_IRpcChannelBuffer) || IsEqualIID(riid,&IID_IUnknown)) {
 243         *ppv = (LPVOID)iface;
 244         IUnknown_AddRef(iface);
 245         return S_OK;
 246     }
 247     return E_NOINTERFACE;
 248 }
 249
 250 static ULONG WINAPI
 251 PipeBuf_AddRef(LPRPCCHANNELBUFFER iface) {
 252     ICOM_THIS(PipeBuf,iface);
 253     This->ref++;
 254     return This->ref;
 255 }
 256
 257 static ULONG WINAPI
 258 PipeBuf_Release(LPRPCCHANNELBUFFER iface) {
 259     ICOM_THIS(PipeBuf,iface);
 260     This->ref--;
 261     if (This->ref)
 262         return This->ref;
 263     ERR("Free all stuff.\n");
 264     HeapFree(GetProcessHeap(),0,This);
 265     return 0;
 266 }
 267
 268 static HRESULT WINAPI
 269 PipeBuf_GetBuffer(
 270     LPRPCCHANNELBUFFER iface,RPCOLEMESSAGE* msg,REFIID riid
 271 ) {
 272     /*ICOM_THIS(PipeBuf,iface);*/
 273
 274     TRACE("(%p,%s), slightly wrong.\n",msg,debugstr_guid(riid));
 275     /* probably reuses IID in real. */
 276     if (msg->cbBuffer && (msg->Buffer == NULL))
 277         msg->Buffer = HeapAlloc(GetProcessHeap(),0,msg->cbBuffer);
 278     return S_OK;
 279 }
 280
 281 static HRESULT
 282 _invoke_onereq(wine_rpc_request *req) {
 283     IRpcStubBuffer      *stub;
 284     RPCOLEMESSAGE       msg;
 285     HRESULT             hres;
 286     DWORD               reqtype;
 287
 288     hres = MARSHAL_Find_Stub_Buffer(&(req->reqh.mid),&stub);
 289     if (hres) {
 290         ERR("Stub not found?\n");
 291         return hres;
 292     }
 293     msg.Buffer          = req->Buffer;
 294     msg.iMethod         = req->reqh.iMethod;
 295     msg.cbBuffer        = req->reqh.cbBuffer;
 296     req->state          = REQSTATE_INVOKING;
 297     req->resph.retval   = IRpcStubBuffer_Invoke(stub,&msg,NULL);
 298     req->Buffer         = msg.Buffer;
 299     req->resph.cbBuffer = msg.cbBuffer;
 300     reqtype             = REQTYPE_RESPONSE;
 301     hres = _xwrite(req->hPipe,&reqtype,sizeof(reqtype));
 302     if (hres) return hres;
 303     hres = _xwrite(req->hPipe,&(req->resph),sizeof(req->resph));
 304     if (hres) return hres;
 305     hres = _xwrite(req->hPipe,req->Buffer,req->resph.cbBuffer);
 306     if (hres) return hres;
 307     req->state = REQSTATE_DONE;
 308     drs("invoke");
 309     return S_OK;
 310 }
 311
 312 static HRESULT _read_one(wine_pipe *xpipe);
 313
 314 static HRESULT
 315 RPC_QueueRequestAndWait(wine_rpc_request *req) {
 316     int                 i;
 317     wine_rpc_request    *xreq;
 318     HRESULT             hres;
 319     DWORD               reqtype;
 320     wine_pipe           *xpipe = PIPE_GetFromMID(&(req->reqh.mid));
 321
 322     if (!xpipe) {
 323         FIXME("no pipe found.\n");
 324         return E_POINTER;
 325     }
 326     if (GetCurrentProcessId() == req->reqh.mid.processid) {
 327         ERR("In current process?\n");
 328         return E_FAIL;
 329     }
 330     req->hPipe = xpipe->hPipe;
 331     req->state = REQSTATE_REQ_WAITING_FOR_REPLY;
 332     reqtype = REQTYPE_REQUEST;
 333     hres = _xwrite(req->hPipe,&reqtype,sizeof(reqtype));
 334     if (hres) return hres;
 335     hres = _xwrite(req->hPipe,&(req->reqh),sizeof(req->reqh));
 336     if (hres) return hres;
 337     hres = _xwrite(req->hPipe,req->Buffer,req->reqh.cbBuffer);
 338     if (hres) return hres;
 339
 340     while (1) {
 341         /*WaitForSingleObject(hRpcChanged,INFINITE);*/
 342         hres = _read_one(xpipe);
 343         if (hres) break;
 344
 345         for (i=0;i<nrofreqs;i++) {
 346             xreq = reqs[i];
 347             if ((xreq->state==REQSTATE_REQ_GOT) && (xreq->hPipe==req->hPipe)) {
 348                 _invoke_onereq(xreq);
 349             }
 350         }
 351         if (req->state == REQSTATE_RESP_GOT)
 352             return S_OK;
 353     }
 354     return hres;
 355 }
 356
 357 static HRESULT WINAPI
 358 PipeBuf_SendReceive(
 359     LPRPCCHANNELBUFFER iface,RPCOLEMESSAGE* msg,ULONG *status
 360 ) {
 361     ICOM_THIS(PipeBuf,iface);
 362     wine_rpc_request    *req;
 363     HRESULT             hres;
 364
 365     TRACE("()\n");
 366
 367     if (This->mid.processid == GetCurrentProcessId()) {
 368         ERR("Need to call directly!\n");
 369         return E_FAIL;
 370     }
 371
 372     hres = RPC_GetRequest(&req);
 373     if (hres) return hres;
 374     req->reqh.iMethod   = msg->iMethod;
 375     req->reqh.cbBuffer  = msg->cbBuffer;
 376     memcpy(&(req->reqh.mid),&(This->mid),sizeof(This->mid));
 377     req->Buffer = msg->Buffer;
 378     hres = RPC_QueueRequestAndWait(req);
 379     if (hres) {
 380         RPC_FreeRequest(req);
 381         return hres;
 382     }
 383     msg->cbBuffer       = req->resph.cbBuffer;
 384     msg->Buffer         = req->Buffer;
 385     *status             = req->resph.retval;
 386     RPC_FreeRequest(req);
 387     return S_OK;
 388 }
 389
 390
 391 static HRESULT WINAPI
 392 PipeBuf_FreeBuffer(LPRPCCHANNELBUFFER iface,RPCOLEMESSAGE* msg) {
 393     FIXME("(%p), stub!\n",msg);
 394     return E_FAIL;
 395 }
 396
 397 static HRESULT WINAPI
 398 PipeBuf_GetDestCtx(
 399     LPRPCCHANNELBUFFER iface,DWORD* pdwDestContext,void** ppvDestContext
 400 ) {
 401     FIXME("(%p,%p), stub!\n",pdwDestContext,ppvDestContext);
 402     return E_FAIL;
 403 }
 404
 405 static HRESULT WINAPI
 406 PipeBuf_IsConnected(LPRPCCHANNELBUFFER iface) {
 407     FIXME("(), stub!\n");
 408     return S_OK;
 409 }
 410
 411 static ICOM_VTABLE(IRpcChannelBuffer) pipebufvt = {
 412     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 413     PipeBuf_QueryInterface,
 414     PipeBuf_AddRef,
 415     PipeBuf_Release,
 416     PipeBuf_GetBuffer,
 417     PipeBuf_SendReceive,
 418     PipeBuf_FreeBuffer,
 419     PipeBuf_GetDestCtx,
 420     PipeBuf_IsConnected
 421 };
 422
 423 HRESULT
 424 PIPE_GetNewPipeBuf(wine_marshal_id *mid, IRpcChannelBuffer **pipebuf) {
 425   wine_marshal_id       ourid;
 426   DWORD                 res;
 427   HANDLE                hPipe;
 428   HRESULT               hres;
 429   PipeBuf               *pbuf;
 430
 431   hPipe = PIPE_FindByMID(mid);
 432   if (hPipe == INVALID_HANDLE_VALUE) {
 433       char                      pipefn[200];
 434       sprintf(pipefn,OLESTUBMGR"_%08lx",mid->processid);
 435       hPipe = CreateFileA(
 436               pipefn,
 437               GENERIC_READ|GENERIC_WRITE,
 438               0,
 439               NULL,
 440               OPEN_EXISTING,
 441               0,
 442               -1
 443       );
 444       if (hPipe == INVALID_HANDLE_VALUE) {
 445           FIXME("Could not open named pipe %s, le is %lx\n",pipefn,GetLastError());
 446           return E_FAIL;
 447       }
 448       hres = PIPE_RegisterPipe(mid, hPipe, FALSE);
 449       if (hres) return hres;
 450       memset(&ourid,0,sizeof(ourid));
 451       ourid.processid = GetCurrentProcessId();
 452       if (!WriteFile(hPipe,&ourid,sizeof(ourid),&res,NULL)||(res!=sizeof(ourid))) {
 453           ERR("Failed writing startup mid!\n");
 454           return E_FAIL;
 455       }
 456   }
 457   pbuf = (PipeBuf*)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(PipeBuf));
 458   pbuf->lpVtbl  = &pipebufvt;
 459   pbuf->ref     = 1;
 460   memcpy(&(pbuf->mid),mid,sizeof(*mid));
 461   *pipebuf = (IRpcChannelBuffer*)pbuf;
 462   return S_OK;
 463 }
 464
 465 static HRESULT
 466 create_server(REFCLSID rclsid) {
 467   HKEY          key;
 468   char          buf[200];
 469   HRESULT       hres = E_UNEXPECTED;
 470   char          xclsid[80];
 471   WCHAR         dllName[MAX_PATH+1];
 472   DWORD         dllNameLen = sizeof(dllName);
 473   STARTUPINFOW  sinfo;
 474   PROCESS_INFORMATION   pinfo;
 475
 476   WINE_StringFromCLSID((LPCLSID)rclsid,xclsid);
 477
 478   sprintf(buf,"CLSID\\%s\\LocalServer32",xclsid);
 479   hres = RegOpenKeyExA(HKEY_CLASSES_ROOT, buf, 0, KEY_READ, &key);
 480
 481   if (hres != ERROR_SUCCESS)
 482       return REGDB_E_CLASSNOTREG;
 483
 484   memset(dllName,0,sizeof(dllName));
 485   hres= RegQueryValueExW(key,NULL,NULL,NULL,(LPBYTE)dllName,&dllNameLen);
 486   if (hres)
 487           return REGDB_E_CLASSNOTREG; /* FIXME: check retval */
 488   RegCloseKey(key);
 489   memset(&sinfo,0,sizeof(sinfo));
 490   sinfo.cb = sizeof(sinfo);
 491   if (!CreateProcessW(NULL,dllName,NULL,NULL,FALSE,0,NULL,NULL,&sinfo,&pinfo))
 492       return E_FAIL;
 493   return S_OK;
 494 }
 495 /* http://msdn.microsoft.com/library/en-us/dnmsj99/html/com0199.asp, Figure 4 */
 496 HRESULT create_marshalled_proxy(REFCLSID rclsid, REFIID iid, LPVOID *ppv) {
 497   HRESULT       hres;
 498   HANDLE        hPipe;
 499   char          pipefn[200];
 500   DWORD         res,bufferlen;
 501   char          marshalbuffer[200];
 502   IStream       *pStm;
 503   LARGE_INTEGER seekto;
 504   ULARGE_INTEGER newpos;
 505   int           tries = 0;
 506 #define MAXTRIES 10000
 507
 508   strcpy(pipefn,PIPEPREF);
 509   WINE_StringFromCLSID(rclsid,pipefn+strlen(PIPEPREF));
 510
 511   while (tries++<MAXTRIES) {
 512       hPipe     = CreateFileA(
 513               pipefn,
 514               GENERIC_READ|GENERIC_WRITE,
 515               0,
 516               NULL,
 517               OPEN_EXISTING,
 518               0,
 519               -1
 520       );
 521       if (hPipe == INVALID_HANDLE_VALUE) {
 522           if (tries == 1) {
 523               if ((hres = create_server(rclsid)))
 524                   return hres;
 525               Sleep(1000);
 526           } else {
 527               WARN("Could not open named pipe to broker %s, le is %lx\n",pipefn,GetLastError());
 528               Sleep(1000);
 529           }
 530           continue;
 531       }
 532       bufferlen = 0;
 533       if (!ReadFile(hPipe,marshalbuffer,sizeof(marshalbuffer),&bufferlen,NULL)) {
 534           FIXME("Failed to read marshal id from classfactory of %s.\n",debugstr_guid(rclsid));
 535           Sleep(1000);
 536           continue;
 537       }
 538       CloseHandle(hPipe);
 539       break;
 540   }
 541   if (tries>=MAXTRIES)
 542       return E_NOINTERFACE;
 543   hres = CreateStreamOnHGlobal(0,TRUE,&pStm);
 544   if (hres) return hres;
 545   hres = IStream_Write(pStm,marshalbuffer,bufferlen,&res);
 546   if (hres) goto out;
 547   seekto.s.LowPart = 0;seekto.s.HighPart = 0;
 548   hres = IStream_Seek(pStm,seekto,SEEK_SET,&newpos);
 549   hres = CoUnmarshalInterface(pStm,&IID_IClassFactory,ppv);
 550 out:
 551   IStream_Release(pStm);
 552   return hres;
 553 }
 554
 555
 556 static void WINAPI
 557 PIPE_StartRequestThread(HANDLE xhPipe) {
 558     wine_marshal_id     remoteid;
 559     HRESULT             hres;
 560
 561     hres = _xread(xhPipe,&remoteid,sizeof(remoteid));
 562     if (hres) {
 563         ERR("Failed to read remote mid!\n");
 564         return;
 565     }
 566     PIPE_RegisterPipe(&remoteid,xhPipe, TRUE);
 567 }
 568
 569 static HRESULT
 570 _read_one(wine_pipe *xpipe) {
 571     DWORD       reqtype;
 572     HRESULT     hres = S_OK;
 573     HANDLE      xhPipe = xpipe->hPipe;
 574
 575     /*FIXME("%lx %d reading reqtype\n",GetCurrentProcessId(),xhPipe);*/
 576     hres = _xread(xhPipe,&reqtype,sizeof(reqtype));
 577     if (hres) goto end;
 578     EnterCriticalSection(&(xpipe->crit));
 579     /*FIXME("%lx got reqtype %ld\n",GetCurrentProcessId(),reqtype);*/
 580
 581     if (reqtype == REQTYPE_REQUEST) {
 582         wine_rpc_request        *xreq;
 583         RPC_GetRequest(&xreq);
 584         xreq->hPipe = xhPipe;
 585         hres = _xread(xhPipe,&(xreq->reqh),sizeof(xreq->reqh));
 586         if (hres) goto end;
 587         xreq->resph.reqid = xreq->reqh.reqid;
 588         xreq->Buffer = HeapAlloc(GetProcessHeap(),0, xreq->reqh.cbBuffer);
 589         hres = _xread(xhPipe,xreq->Buffer,xreq->reqh.cbBuffer);
 590         if (hres) goto end;
 591         xreq->state = REQSTATE_REQ_GOT;
 592         goto end;
 593     }
 594     if (reqtype == REQTYPE_RESPONSE) {
 595         wine_rpc_response_header        resph;
 596         int i;
 597
 598         hres = _xread(xhPipe,&resph,sizeof(resph));
 599         if (hres) goto end;
 600         for (i=nrofreqs;i--;) {
 601             wine_rpc_request *xreq = reqs[i];
 602             if (xreq->state != REQSTATE_REQ_WAITING_FOR_REPLY)
 603                 continue;
 604             if (xreq->reqh.reqid == resph.reqid) {
 605                 memcpy(&(xreq->resph),&resph,sizeof(resph));
 606                 xreq->Buffer = HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,xreq->Buffer,xreq->resph.cbBuffer);
 607                 hres = _xread(xhPipe,xreq->Buffer,xreq->resph.cbBuffer);
 608                 if (hres) goto end;
 609                 xreq->state = REQSTATE_RESP_GOT;
 610                 /*PulseEvent(hRpcChanged);*/
 611                 goto end;
 612             }
 613         }
 614         ERR("Did not find request for id %lx\n",resph.reqid);
 615         hres = S_OK;
 616         goto end;
 617     }
 618     ERR("Unknown reqtype %ld\n",reqtype);
 619     hres = E_FAIL;
 620 end:
 621     LeaveCriticalSection(&(xpipe->crit));
 622     return hres;
 623 }
 624
 625 static DWORD WINAPI
 626 _StubReaderThread(LPVOID param) {
 627     wine_pipe           *xpipe = (wine_pipe*)param;
 628     HANDLE              xhPipe = xpipe->hPipe;
 629     HRESULT             hres;
 630
 631     TRACE("STUB reader thread %lx\n",GetCurrentProcessId());
 632     while (1) {
 633         int i;
 634         hres = _read_one(xpipe);
 635         if (hres) break;
 636
 637         for (i=nrofreqs;i--;) {
 638             wine_rpc_request *xreq = reqs[i];
 639             if ((xreq->state == REQSTATE_REQ_GOT) && (xreq->hPipe == xhPipe)) {
 640                 _invoke_onereq(xreq);
 641             }
 642         }
 643     }
 644     FIXME("Failed with hres %lx\n",hres);
 645     CloseHandle(xhPipe);
 646     return 0;
 647 }
 648
 649 static DWORD WINAPI
 650 _StubMgrThread(LPVOID param) {
 651     char                pipefn[200];
 652     HANDLE              listenPipe;
 653
 654     sprintf(pipefn,OLESTUBMGR"_%08lx",GetCurrentProcessId());
 655     TRACE("Stub Manager Thread starting on (%s)\n",pipefn);
 656
 657     listenPipe = CreateNamedPipeA(
 658         pipefn,
 659         PIPE_ACCESS_DUPLEX,
 660         PIPE_TYPE_BYTE|PIPE_WAIT,
 661         PIPE_UNLIMITED_INSTANCES,
 662         4096,
 663         4096,
 664         NMPWAIT_USE_DEFAULT_WAIT,
 665         NULL
 666     );
 667     if (listenPipe == INVALID_HANDLE_VALUE) {
 668         FIXME("pipe creation failed for %s, le is %lx\n",pipefn,GetLastError());
 669         return 1; /* permanent failure, so quit stubmgr thread */
 670     }
 671
 672     while (1) {
 673         if (!ConnectNamedPipe(listenPipe,NULL)) {
 674             ERR("Failure during ConnectNamedPipe %lx!\n",GetLastError());
 675             CloseHandle(listenPipe);
 676             continue;
 677         }
 678         PIPE_StartRequestThread(listenPipe);
 679         listenPipe = CreateNamedPipeA(
 680             pipefn,
 681             PIPE_ACCESS_DUPLEX,
 682             PIPE_TYPE_BYTE|PIPE_WAIT,
 683             PIPE_UNLIMITED_INSTANCES,
 684             4096,
 685             4096,
 686             NMPWAIT_USE_DEFAULT_WAIT,
 687             NULL
 688         );
 689         if (listenPipe == INVALID_HANDLE_VALUE) {
 690             FIXME("pipe creation failed for %s, le is %lx\n",pipefn,GetLastError());
 691             return 1; /* permanent failure, so quit stubmgr thread */
 692         }
 693     }
 694     return 0;
 695 }
 696
 697 void
 698 STUBMGR_Start() {
 699   static BOOL stubMgrRunning = FALSE;
 700   DWORD tid;
 701
 702   if (!stubMgrRunning) {
 703       stubMgrRunning = TRUE;
 704       CreateThread(NULL,0,_StubMgrThread,NULL,0,&tid);
 705       Sleep(2000); /* actually we just try opening the pipe until it succeeds */
 706   }
 707 }