dlls/rpcrt4/rpcrt4_main.c

   1 /*
   2  *  RPCRT4
   3  *
   4  * Copyright 2000 Huw D M Davies for CodeWeavers
   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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  *
  20  * WINE RPC TODO's (and a few TODONT's)
  21  *
  22  * - Statistics: we are supposed to be keeping various counters.  we aren't.
  23  *
  24  * - Async RPC: Unimplemented.
  25  *
  26  * - The NT "ports" API, aka LPC.  Greg claims this is on his radar.  Might (or
  27  *   might not) enable users to get some kind of meaningful result out of
  28  *   NT-based native rpcrt4's.  Commonly-used transport for self-to-self RPC's.
  29  */
  30
  31 #include "config.h"
  32
  33 #include <stdarg.h>
  34 #include <stdio.h>
  35 #include <stdlib.h>
  36 #include <string.h>
  37
  38 #include "ntstatus.h"
  39 #define WIN32_NO_STATUS
  40 #include "windef.h"
  41 #include "winerror.h"
  42 #include "winbase.h"
  43 #include "winuser.h"
  44 #include "winnt.h"
  45 #include "winternl.h"
  46 #include "ntsecapi.h"
  47 #include "iptypes.h"
  48 #include "iphlpapi.h"
  49 #include "wine/unicode.h"
  50 #include "rpc.h"
  51
  52 #include "ole2.h"
  53 #include "rpcndr.h"
  54 #include "rpcproxy.h"
  55
  56 #include "rpc_binding.h"
  57 #include "rpc_server.h"
  58
  59 #include "wine/debug.h"
  60
  61 WINE_DEFAULT_DEBUG_CHANNEL(rpc);
  62
  63 static UUID uuid_nil;
  64
  65 static CRITICAL_SECTION uuid_cs;
  66 static CRITICAL_SECTION_DEBUG critsect_debug =
  67 {
  68     0, 0, &uuid_cs,
  69     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
  70       0, 0, { (DWORD_PTR)(__FILE__ ": uuid_cs") }
  71 };
  72 static CRITICAL_SECTION uuid_cs = { &critsect_debug, -1, 0, 0, 0, 0 };
  73
  74 static CRITICAL_SECTION threaddata_cs;
  75 static CRITICAL_SECTION_DEBUG threaddata_cs_debug =
  76 {
  77     0, 0, &threaddata_cs,
  78     { &threaddata_cs_debug.ProcessLocksList, &threaddata_cs_debug.ProcessLocksList },
  79       0, 0, { (DWORD_PTR)(__FILE__ ": threaddata_cs") }
  80 };
  81 static CRITICAL_SECTION threaddata_cs = { &threaddata_cs_debug, -1, 0, 0, 0, 0 };
  82
  83 static struct list threaddata_list = LIST_INIT(threaddata_list);
  84
  85 struct context_handle_list
  86 {
  87     struct context_handle_list *next;
  88     NDR_SCONTEXT context_handle;
  89 };
  90
  91 struct threaddata
  92 {
  93     struct list entry;
  94     CRITICAL_SECTION cs;
  95     DWORD thread_id;
  96     RpcConnection *connection;
  97     RpcBinding *server_binding;
  98     struct context_handle_list *context_handle_list;
  99 };
 100
 101 /***********************************************************************
 102  * DllMain
 103  *
 104  * PARAMS
 105  *     hinstDLL    [I] handle to the DLL's instance
 106  *     fdwReason   [I]
 107  *     lpvReserved [I] reserved, must be NULL
 108  *
 109  * RETURNS
 110  *     Success: TRUE
 111  *     Failure: FALSE
 112  */
 113
 114 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
 115 {
 116     struct threaddata *tdata;
 117
 118     switch (fdwReason) {
 119     case DLL_PROCESS_ATTACH:
 120         break;
 121
 122     case DLL_THREAD_DETACH:
 123         tdata = NtCurrentTeb()->ReservedForNtRpc;
 124         if (tdata)
 125         {
 126             EnterCriticalSection(&threaddata_cs);
 127             list_remove(&tdata->entry);
 128             LeaveCriticalSection(&threaddata_cs);
 129
 130             tdata->cs.DebugInfo->Spare[0] = 0;
 131             DeleteCriticalSection(&tdata->cs);
 132             if (tdata->connection)
 133                 ERR("tdata->connection should be NULL but is still set to %p\n", tdata->connection);
 134             if (tdata->server_binding)
 135                 ERR("tdata->server_binding should be NULL but is still set to %p\n", tdata->server_binding);
 136             HeapFree(GetProcessHeap(), 0, tdata);
 137         }
 138         break;
 139
 140     case DLL_PROCESS_DETACH:
 141         RPCRT4_destroy_all_protseqs();
 142         RPCRT4_ServerFreeAllRegisteredAuthInfo();
 143         DeleteCriticalSection(&uuid_cs);
 144         DeleteCriticalSection(&threaddata_cs);
 145         break;
 146     }
 147
 148     return TRUE;
 149 }
 150
 151 /*************************************************************************
 152  *           RpcStringFreeA   [RPCRT4.@]
 153  *
 154  * Frees a character string allocated by the RPC run-time library.
 155  *
 156  * RETURNS
 157  *
 158  *  S_OK if successful.
 159  */
 160 RPC_STATUS WINAPI RpcStringFreeA(RPC_CSTR* String)
 161 {
 162   HeapFree( GetProcessHeap(), 0, *String);
 163
 164   return RPC_S_OK;
 165 }
 166
 167 /*************************************************************************
 168  *           RpcStringFreeW   [RPCRT4.@]
 169  *
 170  * Frees a character string allocated by the RPC run-time library.
 171  *
 172  * RETURNS
 173  *
 174  *  S_OK if successful.
 175  */
 176 RPC_STATUS WINAPI RpcStringFreeW(RPC_WSTR* String)
 177 {
 178   HeapFree( GetProcessHeap(), 0, *String);
 179
 180   return RPC_S_OK;
 181 }
 182
 183 /*************************************************************************
 184  *           RpcRaiseException   [RPCRT4.@]
 185  *
 186  * Raises an exception.
 187  */
 188 void DECLSPEC_NORETURN WINAPI RpcRaiseException(RPC_STATUS exception)
 189 {
 190   /* shouldn't return */
 191   RaiseException(exception, 0, 0, NULL);
 192   ERR("handler continued execution\n");
 193   ExitProcess(1);
 194 }
 195
 196 /*************************************************************************
 197  * UuidCompare [RPCRT4.@]
 198  *
 199  * PARAMS
 200  *     UUID *Uuid1        [I] Uuid to compare
 201  *     UUID *Uuid2        [I] Uuid to compare
 202  *     RPC_STATUS *Status [O] returns RPC_S_OK
 203  *
 204  * RETURNS
 205  *    -1  if Uuid1 is less than Uuid2
 206  *     0  if Uuid1 and Uuid2 are equal
 207  *     1  if Uuid1 is greater than Uuid2
 208  */
 209 int WINAPI UuidCompare(UUID *Uuid1, UUID *Uuid2, RPC_STATUS *Status)
 210 {
 211   int i;
 212
 213   TRACE("(%s,%s)\n", debugstr_guid(Uuid1), debugstr_guid(Uuid2));
 214
 215   *Status = RPC_S_OK;
 216
 217   if (!Uuid1) Uuid1 = &uuid_nil;
 218   if (!Uuid2) Uuid2 = &uuid_nil;
 219
 220   if (Uuid1 == Uuid2) return 0;
 221
 222   if (Uuid1->Data1 != Uuid2->Data1)
 223     return Uuid1->Data1 < Uuid2->Data1 ? -1 : 1;
 224
 225   if (Uuid1->Data2 != Uuid2->Data2)
 226     return Uuid1->Data2 < Uuid2->Data2 ? -1 : 1;
 227
 228   if (Uuid1->Data3 != Uuid2->Data3)
 229     return Uuid1->Data3 < Uuid2->Data3 ? -1 : 1;
 230
 231   for (i = 0; i < 8; i++) {
 232     if (Uuid1->Data4[i] < Uuid2->Data4[i])
 233       return -1;
 234     if (Uuid1->Data4[i] > Uuid2->Data4[i])
 235       return 1;
 236   }
 237
 238   return 0;
 239 }
 240
 241 /*************************************************************************
 242  * UuidEqual [RPCRT4.@]
 243  *
 244  * PARAMS
 245  *     UUID *Uuid1        [I] Uuid to compare
 246  *     UUID *Uuid2        [I] Uuid to compare
 247  *     RPC_STATUS *Status [O] returns RPC_S_OK
 248  *
 249  * RETURNS
 250  *     TRUE/FALSE
 251  */
 252 int WINAPI UuidEqual(UUID *Uuid1, UUID *Uuid2, RPC_STATUS *Status)
 253 {
 254   TRACE("(%s,%s)\n", debugstr_guid(Uuid1), debugstr_guid(Uuid2));
 255   return !UuidCompare(Uuid1, Uuid2, Status);
 256 }
 257
 258 /*************************************************************************
 259  * UuidIsNil [RPCRT4.@]
 260  *
 261  * PARAMS
 262  *     UUID *Uuid         [I] Uuid to compare
 263  *     RPC_STATUS *Status [O] returns RPC_S_OK
 264  *
 265  * RETURNS
 266  *     TRUE/FALSE
 267  */
 268 int WINAPI UuidIsNil(UUID *Uuid, RPC_STATUS *Status)
 269 {
 270   TRACE("(%s)\n", debugstr_guid(Uuid));
 271   if (!Uuid) return TRUE;
 272   return !UuidCompare(Uuid, &uuid_nil, Status);
 273 }
 274
 275  /*************************************************************************
 276  * UuidCreateNil [RPCRT4.@]
 277  *
 278  * PARAMS
 279  *     UUID *Uuid [O] returns a nil UUID
 280  *
 281  * RETURNS
 282  *     RPC_S_OK
 283  */
 284 RPC_STATUS WINAPI UuidCreateNil(UUID *Uuid)
 285 {
 286   *Uuid = uuid_nil;
 287   return RPC_S_OK;
 288 }
 289
 290 /*************************************************************************
 291  *           UuidCreate   [RPCRT4.@]
 292  *
 293  * Creates a 128bit UUID.
 294  *
 295  * RETURNS
 296  *
 297  *  RPC_S_OK if successful.
 298  *  RPC_S_UUID_LOCAL_ONLY if UUID is only locally unique.
 299  *
 300  * NOTES
 301  *
 302  *  Follows RFC 4122, section 4.4 (Algorithms for Creating a UUID from
 303  *  Truly Random or Pseudo-Random Numbers)
 304  */
 305 RPC_STATUS WINAPI UuidCreate(UUID *Uuid)
 306 {
 307     RtlGenRandom(Uuid, sizeof(*Uuid));
 308     /* Clear the version bits and set the version (4) */
 309     Uuid->Data3 &= 0x0fff;
 310     Uuid->Data3 |= (4 << 12);
 311     /* Set the topmost bits of Data4 (clock_seq_hi_and_reserved) as
 312      * specified in RFC 4122, section 4.4.
 313      */
 314     Uuid->Data4[0] &= 0x3f;
 315     Uuid->Data4[0] |= 0x80;
 316
 317     TRACE("%s\n", debugstr_guid(Uuid));
 318
 319     return RPC_S_OK;
 320 }
 321
 322 /* Number of 100ns ticks per clock tick. To be safe, assume that the clock
 323    resolution is at least 1000 * 100 * (1/1000000) = 1/10 of a second */
 324 #define TICKS_PER_CLOCK_TICK 1000
 325 #define SECSPERDAY  86400
 326 #define TICKSPERSEC 10000000
 327 /* UUID system time starts at October 15, 1582 */
 328 #define SECS_15_OCT_1582_TO_1601  ((17 + 30 + 31 + 365 * 18 + 5) * SECSPERDAY)
 329 #define TICKS_15_OCT_1582_TO_1601 ((ULONGLONG)SECS_15_OCT_1582_TO_1601 * TICKSPERSEC)
 330
 331 static void RPC_UuidGetSystemTime(ULONGLONG *time)
 332 {
 333     FILETIME ft;
 334
 335     GetSystemTimeAsFileTime(&ft);
 336
 337     *time = ((ULONGLONG)ft.dwHighDateTime << 32) | ft.dwLowDateTime;
 338     *time += TICKS_15_OCT_1582_TO_1601;
 339 }
 340
 341 /* Assume that a hardware address is at least 6 bytes long */
 342 #define ADDRESS_BYTES_NEEDED 6
 343
 344 static RPC_STATUS RPC_UuidGetNodeAddress(BYTE *address)
 345 {
 346     int i;
 347     DWORD status = RPC_S_OK;
 348
 349     ULONG buflen = sizeof(IP_ADAPTER_INFO);
 350     PIP_ADAPTER_INFO adapter = HeapAlloc(GetProcessHeap(), 0, buflen);
 351
 352     if (GetAdaptersInfo(adapter, &buflen) == ERROR_BUFFER_OVERFLOW) {
 353         HeapFree(GetProcessHeap(), 0, adapter);
 354         adapter = HeapAlloc(GetProcessHeap(), 0, buflen);
 355     }
 356
 357     if (GetAdaptersInfo(adapter, &buflen) == NO_ERROR) {
 358         for (i = 0; i < ADDRESS_BYTES_NEEDED; i++) {
 359             address[i] = adapter->Address[i];
 360         }
 361     }
 362     /* We can't get a hardware address, just use random numbers.
 363        Set the multicast bit to prevent conflicts with real cards. */
 364     else {
 365         RtlGenRandom(address, ADDRESS_BYTES_NEEDED);
 366         address[0] |= 0x01;
 367         status = RPC_S_UUID_LOCAL_ONLY;
 368     }
 369
 370     HeapFree(GetProcessHeap(), 0, adapter);
 371     return status;
 372 }
 373
 374 /*************************************************************************
 375  *           UuidCreateSequential   [RPCRT4.@]
 376  *
 377  * Creates a 128bit UUID.
 378  *
 379  * RETURNS
 380  *
 381  *  RPC_S_OK if successful.
 382  *  RPC_S_UUID_LOCAL_ONLY if UUID is only locally unique.
 383  *
 384  *  FIXME: No compensation for changes across reloading
 385  *         this dll or across reboots (e.g. clock going
 386  *         backwards and swapped network cards). The RFC
 387  *         suggests using NVRAM for storing persistent
 388  *         values.
 389  */
 390 RPC_STATUS WINAPI UuidCreateSequential(UUID *Uuid)
 391 {
 392     static int initialised, count;
 393
 394     ULONGLONG time;
 395     static ULONGLONG timelast;
 396     static WORD sequence;
 397
 398     static DWORD status;
 399     static BYTE address[MAX_ADAPTER_ADDRESS_LENGTH];
 400
 401     EnterCriticalSection(&uuid_cs);
 402
 403     if (!initialised) {
 404         RPC_UuidGetSystemTime(&timelast);
 405         count = TICKS_PER_CLOCK_TICK;
 406
 407         sequence = ((rand() & 0xff) << 8) + (rand() & 0xff);
 408         sequence &= 0x1fff;
 409
 410         status = RPC_UuidGetNodeAddress(address);
 411         initialised = 1;
 412     }
 413
 414     /* Generate time element of the UUID. Account for going faster
 415        than our clock as well as the clock going backwards. */
 416     while (1) {
 417         RPC_UuidGetSystemTime(&time);
 418         if (time > timelast) {
 419             count = 0;
 420             break;
 421         }
 422         if (time < timelast) {
 423             sequence = (sequence + 1) & 0x1fff;
 424             count = 0;
 425             break;
 426         }
 427         if (count < TICKS_PER_CLOCK_TICK) {
 428             count++;
 429             break;
 430         }
 431     }
 432
 433     timelast = time;
 434     time += count;
 435
 436     /* Pack the information into the UUID structure. */
 437
 438     Uuid->Data1  = (ULONG)(time & 0xffffffff);
 439     Uuid->Data2  = (unsigned short)((time >> 32) & 0xffff);
 440     Uuid->Data3  = (unsigned short)((time >> 48) & 0x0fff);
 441
 442     /* This is a version 1 UUID */
 443     Uuid->Data3 |= (1 << 12);
 444
 445     Uuid->Data4[0]  = sequence & 0xff;
 446     Uuid->Data4[1]  = (sequence & 0x3f00) >> 8;
 447     Uuid->Data4[1] |= 0x80;
 448     memcpy(&Uuid->Data4[2], address, ADDRESS_BYTES_NEEDED);
 449
 450     LeaveCriticalSection(&uuid_cs);
 451
 452     TRACE("%s\n", debugstr_guid(Uuid));
 453
 454     return status;
 455 }
 456
 457
 458 /*************************************************************************
 459  *           UuidHash   [RPCRT4.@]
 460  *
 461  * Generates a hash value for a given UUID
 462  *
 463  * Code based on FreeDCE implementation
 464  *
 465  */
 466 unsigned short WINAPI UuidHash(UUID *uuid, RPC_STATUS *Status)
 467 {
 468   BYTE *data = (BYTE*)uuid;
 469   short c0 = 0, c1 = 0, x, y;
 470   unsigned int i;
 471
 472   if (!uuid) data = (BYTE*)(uuid = &uuid_nil);
 473
 474   TRACE("(%s)\n", debugstr_guid(uuid));
 475
 476   for (i=0; i<sizeof(UUID); i++) {
 477     c0 += data[i];
 478     c1 += c0;
 479   }
 480
 481   x = -c1 % 255;
 482   if (x < 0) x += 255;
 483
 484   y = (c1 - c0) % 255;
 485   if (y < 0) y += 255;
 486
 487   *Status = RPC_S_OK;
 488   return y*256 + x;
 489 }
 490
 491 /*************************************************************************
 492  *           UuidToStringA   [RPCRT4.@]
 493  *
 494  * Converts a UUID to a string.
 495  *
 496  * UUID format is 8 hex digits, followed by a hyphen then three groups of
 497  * 4 hex digits each followed by a hyphen and then 12 hex digits
 498  *
 499  * RETURNS
 500  *
 501  *  S_OK if successful.
 502  *  S_OUT_OF_MEMORY if unsuccessful.
 503  */
 504 RPC_STATUS WINAPI UuidToStringA(UUID *Uuid, RPC_CSTR* StringUuid)
 505 {
 506   *StringUuid = HeapAlloc( GetProcessHeap(), 0, sizeof(char) * 37);
 507
 508   if(!(*StringUuid))
 509     return RPC_S_OUT_OF_MEMORY;
 510
 511   if (!Uuid) Uuid = &uuid_nil;
 512
 513   sprintf( (char*)*StringUuid, "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
 514                  Uuid->Data1, Uuid->Data2, Uuid->Data3,
 515                  Uuid->Data4[0], Uuid->Data4[1], Uuid->Data4[2],
 516                  Uuid->Data4[3], Uuid->Data4[4], Uuid->Data4[5],
 517                  Uuid->Data4[6], Uuid->Data4[7] );
 518
 519   return RPC_S_OK;
 520 }
 521
 522 /*************************************************************************
 523  *           UuidToStringW   [RPCRT4.@]
 524  *
 525  * Converts a UUID to a string.
 526  *
 527  *  S_OK if successful.
 528  *  S_OUT_OF_MEMORY if unsuccessful.
 529  */
 530 RPC_STATUS WINAPI UuidToStringW(UUID *Uuid, RPC_WSTR* StringUuid)
 531 {
 532   char buf[37];
 533
 534   if (!Uuid) Uuid = &uuid_nil;
 535
 536   sprintf(buf, "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
 537                Uuid->Data1, Uuid->Data2, Uuid->Data3,
 538                Uuid->Data4[0], Uuid->Data4[1], Uuid->Data4[2],
 539                Uuid->Data4[3], Uuid->Data4[4], Uuid->Data4[5],
 540                Uuid->Data4[6], Uuid->Data4[7] );
 541
 542   *StringUuid = RPCRT4_strdupAtoW(buf);
 543
 544   if(!(*StringUuid))
 545     return RPC_S_OUT_OF_MEMORY;
 546
 547   return RPC_S_OK;
 548 }
 549
 550 static const BYTE hex2bin[] =
 551 {
 552     0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,        /* 0x00 */
 553     0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,        /* 0x10 */
 554     0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,        /* 0x20 */
 555     0,1,2,3,4,5,6,7,8,9,0,0,0,0,0,0,        /* 0x30 */
 556     0,10,11,12,13,14,15,0,0,0,0,0,0,0,0,0,  /* 0x40 */
 557     0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,        /* 0x50 */
 558     0,10,11,12,13,14,15                     /* 0x60 */
 559 };
 560
 561 /***********************************************************************
 562  *              UuidFromStringA (RPCRT4.@)
 563  */
 564 RPC_STATUS WINAPI UuidFromStringA(RPC_CSTR s, UUID *uuid)
 565 {
 566     int i;
 567
 568     if (!s) return UuidCreateNil( uuid );
 569
 570     if (strlen((char*)s) != 36) return RPC_S_INVALID_STRING_UUID;
 571
 572     if ((s[8]!='-') || (s[13]!='-') || (s[18]!='-') || (s[23]!='-'))
 573         return RPC_S_INVALID_STRING_UUID;
 574
 575     for (i=0; i<36; i++)
 576     {
 577         if ((i == 8)||(i == 13)||(i == 18)||(i == 23)) continue;
 578         if (s[i] > 'f' || (!hex2bin[s[i]] && s[i] != '0')) return RPC_S_INVALID_STRING_UUID;
 579     }
 580
 581     /* in form XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX */
 582
 583     uuid->Data1 = (hex2bin[s[0]] << 28 | hex2bin[s[1]] << 24 | hex2bin[s[2]] << 20 | hex2bin[s[3]] << 16 |
 584                    hex2bin[s[4]] << 12 | hex2bin[s[5]]  << 8 | hex2bin[s[6]]  << 4 | hex2bin[s[7]]);
 585     uuid->Data2 =  hex2bin[s[9]] << 12 | hex2bin[s[10]] << 8 | hex2bin[s[11]] << 4 | hex2bin[s[12]];
 586     uuid->Data3 = hex2bin[s[14]] << 12 | hex2bin[s[15]] << 8 | hex2bin[s[16]] << 4 | hex2bin[s[17]];
 587
 588     /* these are just sequential bytes */
 589     uuid->Data4[0] = hex2bin[s[19]] << 4 | hex2bin[s[20]];
 590     uuid->Data4[1] = hex2bin[s[21]] << 4 | hex2bin[s[22]];
 591     uuid->Data4[2] = hex2bin[s[24]] << 4 | hex2bin[s[25]];
 592     uuid->Data4[3] = hex2bin[s[26]] << 4 | hex2bin[s[27]];
 593     uuid->Data4[4] = hex2bin[s[28]] << 4 | hex2bin[s[29]];
 594     uuid->Data4[5] = hex2bin[s[30]] << 4 | hex2bin[s[31]];
 595     uuid->Data4[6] = hex2bin[s[32]] << 4 | hex2bin[s[33]];
 596     uuid->Data4[7] = hex2bin[s[34]] << 4 | hex2bin[s[35]];
 597     return RPC_S_OK;
 598 }
 599
 600
 601 /***********************************************************************
 602  *              UuidFromStringW (RPCRT4.@)
 603  */
 604 RPC_STATUS WINAPI UuidFromStringW(RPC_WSTR s, UUID *uuid)
 605 {
 606     int i;
 607
 608     if (!s) return UuidCreateNil( uuid );
 609
 610     if (strlenW(s) != 36) return RPC_S_INVALID_STRING_UUID;
 611
 612     if ((s[8]!='-') || (s[13]!='-') || (s[18]!='-') || (s[23]!='-'))
 613         return RPC_S_INVALID_STRING_UUID;
 614
 615     for (i=0; i<36; i++)
 616     {
 617         if ((i == 8)||(i == 13)||(i == 18)||(i == 23)) continue;
 618         if (s[i] > 'f' || (!hex2bin[s[i]] && s[i] != '0')) return RPC_S_INVALID_STRING_UUID;
 619     }
 620
 621     /* in form XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX */
 622
 623     uuid->Data1 = (hex2bin[s[0]] << 28 | hex2bin[s[1]] << 24 | hex2bin[s[2]] << 20 | hex2bin[s[3]] << 16 |
 624                    hex2bin[s[4]] << 12 | hex2bin[s[5]]  << 8 | hex2bin[s[6]]  << 4 | hex2bin[s[7]]);
 625     uuid->Data2 =  hex2bin[s[9]] << 12 | hex2bin[s[10]] << 8 | hex2bin[s[11]] << 4 | hex2bin[s[12]];
 626     uuid->Data3 = hex2bin[s[14]] << 12 | hex2bin[s[15]] << 8 | hex2bin[s[16]] << 4 | hex2bin[s[17]];
 627
 628     /* these are just sequential bytes */
 629     uuid->Data4[0] = hex2bin[s[19]] << 4 | hex2bin[s[20]];
 630     uuid->Data4[1] = hex2bin[s[21]] << 4 | hex2bin[s[22]];
 631     uuid->Data4[2] = hex2bin[s[24]] << 4 | hex2bin[s[25]];
 632     uuid->Data4[3] = hex2bin[s[26]] << 4 | hex2bin[s[27]];
 633     uuid->Data4[4] = hex2bin[s[28]] << 4 | hex2bin[s[29]];
 634     uuid->Data4[5] = hex2bin[s[30]] << 4 | hex2bin[s[31]];
 635     uuid->Data4[6] = hex2bin[s[32]] << 4 | hex2bin[s[33]];
 636     uuid->Data4[7] = hex2bin[s[34]] << 4 | hex2bin[s[35]];
 637     return RPC_S_OK;
 638 }
 639
 640 /***********************************************************************
 641  *              DllRegisterServer (RPCRT4.@)
 642  */
 643
 644 HRESULT WINAPI DllRegisterServer( void )
 645 {
 646     FIXME( "(): stub\n" );
 647     return S_OK;
 648 }
 649
 650 #define MAX_RPC_ERROR_TEXT 256
 651
 652 /******************************************************************************
 653  * DceErrorInqTextW   (rpcrt4.@)
 654  *
 655  * Notes
 656  * 1. On passing a NULL pointer the code does bomb out.
 657  * 2. The size of the required buffer is not defined in the documentation.
 658  *    It appears to be 256.
 659  * 3. The function is defined to return RPC_S_INVALID_ARG but I don't know
 660  *    of any value for which it does.
 661  * 4. The MSDN documentation currently declares that the second argument is
 662  *    unsigned char *, even for the W version.  I don't believe it.
 663  */
 664 RPC_STATUS RPC_ENTRY DceErrorInqTextW (RPC_STATUS e, RPC_WSTR buffer)
 665 {
 666     DWORD count;
 667     count = FormatMessageW (FORMAT_MESSAGE_FROM_SYSTEM |
 668                 FORMAT_MESSAGE_IGNORE_INSERTS,
 669                 NULL, e, 0, buffer, MAX_RPC_ERROR_TEXT, NULL);
 670     if (!count)
 671     {
 672         count = FormatMessageW (FORMAT_MESSAGE_FROM_SYSTEM |
 673                 FORMAT_MESSAGE_IGNORE_INSERTS,
 674                 NULL, RPC_S_NOT_RPC_ERROR, 0, buffer, MAX_RPC_ERROR_TEXT, NULL);
 675         if (!count)
 676         {
 677             ERR ("Failed to translate error\n");
 678             return RPC_S_INVALID_ARG;
 679         }
 680     }
 681     return RPC_S_OK;
 682 }
 683
 684 /******************************************************************************
 685  * DceErrorInqTextA   (rpcrt4.@)
 686  */
 687 RPC_STATUS RPC_ENTRY DceErrorInqTextA (RPC_STATUS e, RPC_CSTR buffer)
 688 {
 689     RPC_STATUS status;
 690     WCHAR bufferW [MAX_RPC_ERROR_TEXT];
 691     if ((status = DceErrorInqTextW (e, bufferW)) == RPC_S_OK)
 692     {
 693         if (!WideCharToMultiByte(CP_ACP, 0, bufferW, -1, (LPSTR)buffer, MAX_RPC_ERROR_TEXT,
 694                 NULL, NULL))
 695         {
 696             ERR ("Failed to translate error\n");
 697             status = RPC_S_INVALID_ARG;
 698         }
 699     }
 700     return status;
 701 }
 702
 703 /******************************************************************************
 704  * I_RpcAllocate   (rpcrt4.@)
 705  */
 706 void * WINAPI I_RpcAllocate(unsigned int Size)
 707 {
 708     return HeapAlloc(GetProcessHeap(), 0, Size);
 709 }
 710
 711 /******************************************************************************
 712  * I_RpcFree   (rpcrt4.@)
 713  */
 714 void WINAPI I_RpcFree(void *Object)
 715 {
 716     HeapFree(GetProcessHeap(), 0, Object);
 717 }
 718
 719 /******************************************************************************
 720  * I_RpcMapWin32Status   (rpcrt4.@)
 721  *
 722  * Maps Win32 RPC error codes to NT statuses.
 723  *
 724  * PARAMS
 725  *  status [I] Win32 RPC error code.
 726  *
 727  * RETURNS
 728  *  Appropriate translation into an NT status code.
 729  */
 730 LONG WINAPI I_RpcMapWin32Status(RPC_STATUS status)
 731 {
 732     TRACE("(%d)\n", status);
 733     switch (status)
 734     {
 735     case ERROR_ACCESS_DENIED: return STATUS_ACCESS_DENIED;
 736     case ERROR_INVALID_HANDLE: return RPC_NT_SS_CONTEXT_MISMATCH;
 737     case ERROR_OUTOFMEMORY: return STATUS_NO_MEMORY;
 738     case ERROR_INVALID_PARAMETER: return STATUS_INVALID_PARAMETER;
 739     case ERROR_INSUFFICIENT_BUFFER: return STATUS_BUFFER_TOO_SMALL;
 740     case ERROR_MAX_THRDS_REACHED: return STATUS_NO_MEMORY;
 741     case ERROR_NOACCESS: return STATUS_ACCESS_VIOLATION;
 742     case ERROR_NOT_ENOUGH_SERVER_MEMORY: return STATUS_INSUFF_SERVER_RESOURCES;
 743     case ERROR_WRONG_PASSWORD: return STATUS_WRONG_PASSWORD;
 744     case ERROR_INVALID_LOGON_HOURS: return STATUS_INVALID_LOGON_HOURS;
 745     case ERROR_PASSWORD_EXPIRED: return STATUS_PASSWORD_EXPIRED;
 746     case ERROR_ACCOUNT_DISABLED: return STATUS_ACCOUNT_DISABLED;
 747     case ERROR_INVALID_SECURITY_DESCR: return STATUS_INVALID_SECURITY_DESCR;
 748     case RPC_S_INVALID_STRING_BINDING: return RPC_NT_INVALID_STRING_BINDING;
 749     case RPC_S_WRONG_KIND_OF_BINDING: return RPC_NT_WRONG_KIND_OF_BINDING;
 750     case RPC_S_INVALID_BINDING: return RPC_NT_INVALID_BINDING;
 751     case RPC_S_PROTSEQ_NOT_SUPPORTED: return RPC_NT_PROTSEQ_NOT_SUPPORTED;
 752     case RPC_S_INVALID_RPC_PROTSEQ: return RPC_NT_INVALID_RPC_PROTSEQ;
 753     case RPC_S_INVALID_STRING_UUID: return RPC_NT_INVALID_STRING_UUID;
 754     case RPC_S_INVALID_ENDPOINT_FORMAT: return RPC_NT_INVALID_ENDPOINT_FORMAT;
 755     case RPC_S_INVALID_NET_ADDR: return RPC_NT_INVALID_NET_ADDR;
 756     case RPC_S_NO_ENDPOINT_FOUND: return RPC_NT_NO_ENDPOINT_FOUND;
 757     case RPC_S_INVALID_TIMEOUT: return RPC_NT_INVALID_TIMEOUT;
 758     case RPC_S_OBJECT_NOT_FOUND: return RPC_NT_OBJECT_NOT_FOUND;
 759     case RPC_S_ALREADY_REGISTERED: return RPC_NT_ALREADY_REGISTERED;
 760     case RPC_S_TYPE_ALREADY_REGISTERED: return RPC_NT_TYPE_ALREADY_REGISTERED;
 761     case RPC_S_ALREADY_LISTENING: return RPC_NT_ALREADY_LISTENING;
 762     case RPC_S_NO_PROTSEQS_REGISTERED: return RPC_NT_NO_PROTSEQS_REGISTERED;
 763     case RPC_S_NOT_LISTENING: return RPC_NT_NOT_LISTENING;
 764     case RPC_S_UNKNOWN_MGR_TYPE: return RPC_NT_UNKNOWN_MGR_TYPE;
 765     case RPC_S_UNKNOWN_IF: return RPC_NT_UNKNOWN_IF;
 766     case RPC_S_NO_BINDINGS: return RPC_NT_NO_BINDINGS;
 767     case RPC_S_NO_PROTSEQS: return RPC_NT_NO_PROTSEQS;
 768     case RPC_S_CANT_CREATE_ENDPOINT: return RPC_NT_CANT_CREATE_ENDPOINT;
 769     case RPC_S_OUT_OF_RESOURCES: return RPC_NT_OUT_OF_RESOURCES;
 770     case RPC_S_SERVER_UNAVAILABLE: return RPC_NT_SERVER_UNAVAILABLE;
 771     case RPC_S_SERVER_TOO_BUSY: return RPC_NT_SERVER_TOO_BUSY;
 772     case RPC_S_INVALID_NETWORK_OPTIONS: return RPC_NT_INVALID_NETWORK_OPTIONS;
 773     case RPC_S_NO_CALL_ACTIVE: return RPC_NT_NO_CALL_ACTIVE;
 774     case RPC_S_CALL_FAILED: return RPC_NT_CALL_FAILED;
 775     case RPC_S_CALL_FAILED_DNE: return RPC_NT_CALL_FAILED_DNE;
 776     case RPC_S_PROTOCOL_ERROR: return RPC_NT_PROTOCOL_ERROR;
 777     case RPC_S_UNSUPPORTED_TRANS_SYN: return RPC_NT_UNSUPPORTED_TRANS_SYN;
 778     case RPC_S_UNSUPPORTED_TYPE: return RPC_NT_UNSUPPORTED_TYPE;
 779     case RPC_S_INVALID_TAG: return RPC_NT_INVALID_TAG;
 780     case RPC_S_INVALID_BOUND: return RPC_NT_INVALID_BOUND;
 781     case RPC_S_NO_ENTRY_NAME: return RPC_NT_NO_ENTRY_NAME;
 782     case RPC_S_INVALID_NAME_SYNTAX: return RPC_NT_INVALID_NAME_SYNTAX;
 783     case RPC_S_UNSUPPORTED_NAME_SYNTAX: return RPC_NT_UNSUPPORTED_NAME_SYNTAX;
 784     case RPC_S_UUID_NO_ADDRESS: return RPC_NT_UUID_NO_ADDRESS;
 785     case RPC_S_DUPLICATE_ENDPOINT: return RPC_NT_DUPLICATE_ENDPOINT;
 786     case RPC_S_UNKNOWN_AUTHN_TYPE: return RPC_NT_UNKNOWN_AUTHN_TYPE;
 787     case RPC_S_MAX_CALLS_TOO_SMALL: return RPC_NT_MAX_CALLS_TOO_SMALL;
 788     case RPC_S_STRING_TOO_LONG: return RPC_NT_STRING_TOO_LONG;
 789     case RPC_S_PROTSEQ_NOT_FOUND: return RPC_NT_PROTSEQ_NOT_FOUND;
 790     case RPC_S_PROCNUM_OUT_OF_RANGE: return RPC_NT_PROCNUM_OUT_OF_RANGE;
 791     case RPC_S_BINDING_HAS_NO_AUTH: return RPC_NT_BINDING_HAS_NO_AUTH;
 792     case RPC_S_UNKNOWN_AUTHN_SERVICE: return RPC_NT_UNKNOWN_AUTHN_SERVICE;
 793     case RPC_S_UNKNOWN_AUTHN_LEVEL: return RPC_NT_UNKNOWN_AUTHN_LEVEL;
 794     case RPC_S_INVALID_AUTH_IDENTITY: return RPC_NT_INVALID_AUTH_IDENTITY;
 795     case RPC_S_UNKNOWN_AUTHZ_SERVICE: return RPC_NT_UNKNOWN_AUTHZ_SERVICE;
 796     case EPT_S_INVALID_ENTRY: return EPT_NT_INVALID_ENTRY;
 797     case EPT_S_CANT_PERFORM_OP: return EPT_NT_CANT_PERFORM_OP;
 798     case EPT_S_NOT_REGISTERED: return EPT_NT_NOT_REGISTERED;
 799     case EPT_S_CANT_CREATE: return EPT_NT_CANT_CREATE;
 800     case RPC_S_NOTHING_TO_EXPORT: return RPC_NT_NOTHING_TO_EXPORT;
 801     case RPC_S_INCOMPLETE_NAME: return RPC_NT_INCOMPLETE_NAME;
 802     case RPC_S_INVALID_VERS_OPTION: return RPC_NT_INVALID_VERS_OPTION;
 803     case RPC_S_NO_MORE_MEMBERS: return RPC_NT_NO_MORE_MEMBERS;
 804     case RPC_S_NOT_ALL_OBJS_UNEXPORTED: return RPC_NT_NOT_ALL_OBJS_UNEXPORTED;
 805     case RPC_S_INTERFACE_NOT_FOUND: return RPC_NT_INTERFACE_NOT_FOUND;
 806     case RPC_S_ENTRY_ALREADY_EXISTS: return RPC_NT_ENTRY_ALREADY_EXISTS;
 807     case RPC_S_ENTRY_NOT_FOUND: return RPC_NT_ENTRY_NOT_FOUND;
 808     case RPC_S_NAME_SERVICE_UNAVAILABLE: return RPC_NT_NAME_SERVICE_UNAVAILABLE;
 809     case RPC_S_INVALID_NAF_ID: return RPC_NT_INVALID_NAF_ID;
 810     case RPC_S_CANNOT_SUPPORT: return RPC_NT_CANNOT_SUPPORT;
 811     case RPC_S_NO_CONTEXT_AVAILABLE: return RPC_NT_NO_CONTEXT_AVAILABLE;
 812     case RPC_S_INTERNAL_ERROR: return RPC_NT_INTERNAL_ERROR;
 813     case RPC_S_ZERO_DIVIDE: return RPC_NT_ZERO_DIVIDE;
 814     case RPC_S_ADDRESS_ERROR: return RPC_NT_ADDRESS_ERROR;
 815     case RPC_S_FP_DIV_ZERO: return RPC_NT_FP_DIV_ZERO;
 816     case RPC_S_FP_UNDERFLOW: return RPC_NT_FP_UNDERFLOW;
 817     case RPC_S_FP_OVERFLOW: return RPC_NT_FP_OVERFLOW;
 818     case RPC_S_CALL_IN_PROGRESS: return RPC_NT_CALL_IN_PROGRESS;
 819     case RPC_S_NO_MORE_BINDINGS: return RPC_NT_NO_MORE_BINDINGS;
 820     case RPC_S_CALL_CANCELLED: return RPC_NT_CALL_CANCELLED;
 821     case RPC_S_INVALID_OBJECT: return RPC_NT_INVALID_OBJECT;
 822     case RPC_S_INVALID_ASYNC_HANDLE: return RPC_NT_INVALID_ASYNC_HANDLE;
 823     case RPC_S_INVALID_ASYNC_CALL: return RPC_NT_INVALID_ASYNC_CALL;
 824     case RPC_S_GROUP_MEMBER_NOT_FOUND: return RPC_NT_GROUP_MEMBER_NOT_FOUND;
 825     case RPC_X_NO_MORE_ENTRIES: return RPC_NT_NO_MORE_ENTRIES;
 826     case RPC_X_SS_CHAR_TRANS_OPEN_FAIL: return RPC_NT_SS_CHAR_TRANS_OPEN_FAIL;
 827     case RPC_X_SS_CHAR_TRANS_SHORT_FILE: return RPC_NT_SS_CHAR_TRANS_SHORT_FILE;
 828     case RPC_X_SS_IN_NULL_CONTEXT: return RPC_NT_SS_IN_NULL_CONTEXT;
 829     case RPC_X_SS_CONTEXT_DAMAGED: return RPC_NT_SS_CONTEXT_DAMAGED;
 830     case RPC_X_SS_HANDLES_MISMATCH: return RPC_NT_SS_HANDLES_MISMATCH;
 831     case RPC_X_SS_CANNOT_GET_CALL_HANDLE: return RPC_NT_SS_CANNOT_GET_CALL_HANDLE;
 832     case RPC_X_NULL_REF_POINTER: return RPC_NT_NULL_REF_POINTER;
 833     case RPC_X_ENUM_VALUE_OUT_OF_RANGE: return RPC_NT_ENUM_VALUE_OUT_OF_RANGE;
 834     case RPC_X_BYTE_COUNT_TOO_SMALL: return RPC_NT_BYTE_COUNT_TOO_SMALL;
 835     case RPC_X_BAD_STUB_DATA: return RPC_NT_BAD_STUB_DATA;
 836     case RPC_X_PIPE_CLOSED: return RPC_NT_PIPE_CLOSED;
 837     case RPC_X_PIPE_DISCIPLINE_ERROR: return RPC_NT_PIPE_DISCIPLINE_ERROR;
 838     case RPC_X_PIPE_EMPTY: return RPC_NT_PIPE_EMPTY;
 839     case ERROR_PASSWORD_MUST_CHANGE: return STATUS_PASSWORD_MUST_CHANGE;
 840     case ERROR_ACCOUNT_LOCKED_OUT: return STATUS_ACCOUNT_LOCKED_OUT;
 841     default: return status;
 842     }
 843 }
 844
 845 /******************************************************************************
 846  * I_RpcExceptionFilter   (rpcrt4.@)
 847  */
 848 int WINAPI I_RpcExceptionFilter(ULONG ExceptionCode)
 849 {
 850     TRACE("0x%x\n", ExceptionCode);
 851     switch (ExceptionCode)
 852     {
 853     case STATUS_DATATYPE_MISALIGNMENT:
 854     case STATUS_BREAKPOINT:
 855     case STATUS_ACCESS_VIOLATION:
 856     case STATUS_ILLEGAL_INSTRUCTION:
 857     case STATUS_PRIVILEGED_INSTRUCTION:
 858     case STATUS_INSTRUCTION_MISALIGNMENT:
 859     case STATUS_STACK_OVERFLOW:
 860     case STATUS_POSSIBLE_DEADLOCK:
 861         return EXCEPTION_CONTINUE_SEARCH;
 862     default:
 863         return EXCEPTION_EXECUTE_HANDLER;
 864     }
 865 }
 866
 867 /******************************************************************************
 868  * RpcErrorStartEnumeration   (rpcrt4.@)
 869  */
 870 RPC_STATUS RPC_ENTRY RpcErrorStartEnumeration(RPC_ERROR_ENUM_HANDLE* EnumHandle)
 871 {
 872     FIXME("(%p): stub\n", EnumHandle);
 873     return RPC_S_ENTRY_NOT_FOUND;
 874 }
 875
 876 /******************************************************************************
 877  * RpcMgmtSetCancelTimeout   (rpcrt4.@)
 878  */
 879 RPC_STATUS RPC_ENTRY RpcMgmtSetCancelTimeout(LONG Timeout)
 880 {
 881     FIXME("(%d): stub\n", Timeout);
 882     return RPC_S_OK;
 883 }
 884
 885 static struct threaddata *get_or_create_threaddata(void)
 886 {
 887     struct threaddata *tdata = NtCurrentTeb()->ReservedForNtRpc;
 888     if (!tdata)
 889     {
 890         tdata = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*tdata));
 891         if (!tdata) return NULL;
 892
 893         InitializeCriticalSection(&tdata->cs);
 894         tdata->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": threaddata.cs");
 895         tdata->thread_id = GetCurrentThreadId();
 896
 897         EnterCriticalSection(&threaddata_cs);
 898         list_add_tail(&threaddata_list, &tdata->entry);
 899         LeaveCriticalSection(&threaddata_cs);
 900
 901         NtCurrentTeb()->ReservedForNtRpc = tdata;
 902         return tdata;
 903     }
 904     return tdata;
 905 }
 906
 907 void RPCRT4_SetThreadCurrentConnection(RpcConnection *Connection)
 908 {
 909     struct threaddata *tdata = get_or_create_threaddata();
 910     if (!tdata) return;
 911
 912     EnterCriticalSection(&tdata->cs);
 913     tdata->connection = Connection;
 914     LeaveCriticalSection(&tdata->cs);
 915 }
 916
 917 void RPCRT4_SetThreadCurrentCallHandle(RpcBinding *Binding)
 918 {
 919     struct threaddata *tdata = get_or_create_threaddata();
 920     if (!tdata) return;
 921
 922     tdata->server_binding = Binding;
 923 }
 924
 925 RpcBinding *RPCRT4_GetThreadCurrentCallHandle(void)
 926 {
 927     struct threaddata *tdata = get_or_create_threaddata();
 928     if (!tdata) return NULL;
 929
 930     return tdata->server_binding;
 931 }
 932
 933 void RPCRT4_PushThreadContextHandle(NDR_SCONTEXT SContext)
 934 {
 935     struct threaddata *tdata = get_or_create_threaddata();
 936     struct context_handle_list *context_handle_list;
 937
 938     if (!tdata) return;
 939
 940     context_handle_list = HeapAlloc(GetProcessHeap(), 0, sizeof(*context_handle_list));
 941     if (!context_handle_list) return;
 942
 943     context_handle_list->context_handle = SContext;
 944     context_handle_list->next = tdata->context_handle_list;
 945     tdata->context_handle_list = context_handle_list;
 946 }
 947
 948 void RPCRT4_RemoveThreadContextHandle(NDR_SCONTEXT SContext)
 949 {
 950     struct threaddata *tdata = get_or_create_threaddata();
 951     struct context_handle_list *current, *prev;
 952
 953     if (!tdata) return;
 954
 955     for (current = tdata->context_handle_list, prev = NULL; current; prev = current, current = current->next)
 956     {
 957         if (current->context_handle == SContext)
 958         {
 959             if (prev)
 960                 prev->next = current->next;
 961             else
 962                 tdata->context_handle_list = current->next;
 963             HeapFree(GetProcessHeap(), 0, current);
 964             return;
 965         }
 966     }
 967 }
 968
 969 NDR_SCONTEXT RPCRT4_PopThreadContextHandle(void)
 970 {
 971     struct threaddata *tdata = get_or_create_threaddata();
 972     struct context_handle_list *context_handle_list;
 973     NDR_SCONTEXT context_handle;
 974
 975     if (!tdata) return NULL;
 976
 977     context_handle_list = tdata->context_handle_list;
 978     if (!context_handle_list) return NULL;
 979     tdata->context_handle_list = context_handle_list->next;
 980
 981     context_handle = context_handle_list->context_handle;
 982     HeapFree(GetProcessHeap(), 0, context_handle_list);
 983     return context_handle;
 984 }
 985
 986 static RPC_STATUS rpc_cancel_thread(DWORD target_tid)
 987 {
 988     struct threaddata *tdata;
 989
 990     EnterCriticalSection(&threaddata_cs);
 991     LIST_FOR_EACH_ENTRY(tdata, &threaddata_list, struct threaddata, entry)
 992         if (tdata->thread_id == target_tid)
 993         {
 994             EnterCriticalSection(&tdata->cs);
 995             if (tdata->connection) rpcrt4_conn_cancel_call(tdata->connection);
 996             LeaveCriticalSection(&tdata->cs);
 997             break;
 998         }
 999     LeaveCriticalSection(&threaddata_cs);
1000
1001     return RPC_S_OK;
1002 }
1003
1004 /******************************************************************************
1005  * RpcCancelThread   (rpcrt4.@)
1006  */
1007 RPC_STATUS RPC_ENTRY RpcCancelThread(void* ThreadHandle)
1008 {
1009     TRACE("(%p)\n", ThreadHandle);
1010     return RpcCancelThreadEx(ThreadHandle, 0);
1011 }
1012
1013 /******************************************************************************
1014  * RpcCancelThreadEx   (rpcrt4.@)
1015  */
1016 RPC_STATUS RPC_ENTRY RpcCancelThreadEx(void* ThreadHandle, LONG Timeout)
1017 {
1018     DWORD target_tid;
1019
1020     FIXME("(%p, %d)\n", ThreadHandle, Timeout);
1021
1022     target_tid = GetThreadId(ThreadHandle);
1023     if (!target_tid)
1024         return RPC_S_INVALID_ARG;
1025
1026     if (Timeout)
1027     {
1028         FIXME("(%p, %d)\n", ThreadHandle, Timeout);
1029         return RPC_S_OK;
1030     }
1031     else
1032         return rpc_cancel_thread(target_tid);
1033 }