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         if (lpvReserved) break; /* do nothing if process is shutting down */
 142         RPCRT4_destroy_all_protseqs();
 143         RPCRT4_ServerFreeAllRegisteredAuthInfo();
 144         DeleteCriticalSection(&uuid_cs);
 145         DeleteCriticalSection(&threaddata_cs);
 146         break;
 147     }
 148
 149     return TRUE;
 150 }
 151
 152 /*************************************************************************
 153  *           RpcStringFreeA   [RPCRT4.@]
 154  *
 155  * Frees a character string allocated by the RPC run-time library.
 156  *
 157  * RETURNS
 158  *
 159  *  S_OK if successful.
 160  */
 161 RPC_STATUS WINAPI RpcStringFreeA(RPC_CSTR* String)
 162 {
 163   HeapFree( GetProcessHeap(), 0, *String);
 164
 165   return RPC_S_OK;
 166 }
 167
 168 /*************************************************************************
 169  *           RpcStringFreeW   [RPCRT4.@]
 170  *
 171  * Frees a character string allocated by the RPC run-time library.
 172  *
 173  * RETURNS
 174  *
 175  *  S_OK if successful.
 176  */
 177 RPC_STATUS WINAPI RpcStringFreeW(RPC_WSTR* String)
 178 {
 179   HeapFree( GetProcessHeap(), 0, *String);
 180
 181   return RPC_S_OK;
 182 }
 183
 184 /*************************************************************************
 185  *           RpcRaiseException   [RPCRT4.@]
 186  *
 187  * Raises an exception.
 188  */
 189 void DECLSPEC_NORETURN WINAPI RpcRaiseException(RPC_STATUS exception)
 190 {
 191   /* shouldn't return */
 192   RaiseException(exception, 0, 0, NULL);
 193   ERR("handler continued execution\n");
 194   ExitProcess(1);
 195 }
 196
 197 /*************************************************************************
 198  * UuidCompare [RPCRT4.@]
 199  *
 200  * PARAMS
 201  *     UUID *Uuid1        [I] Uuid to compare
 202  *     UUID *Uuid2        [I] Uuid to compare
 203  *     RPC_STATUS *Status [O] returns RPC_S_OK
 204  *
 205  * RETURNS
 206  *    -1  if Uuid1 is less than Uuid2
 207  *     0  if Uuid1 and Uuid2 are equal
 208  *     1  if Uuid1 is greater than Uuid2
 209  */
 210 int WINAPI UuidCompare(UUID *Uuid1, UUID *Uuid2, RPC_STATUS *Status)
 211 {
 212   int i;
 213
 214   TRACE("(%s,%s)\n", debugstr_guid(Uuid1), debugstr_guid(Uuid2));
 215
 216   *Status = RPC_S_OK;
 217
 218   if (!Uuid1) Uuid1 = &uuid_nil;
 219   if (!Uuid2) Uuid2 = &uuid_nil;
 220
 221   if (Uuid1 == Uuid2) return 0;
 222
 223   if (Uuid1->Data1 != Uuid2->Data1)
 224     return Uuid1->Data1 < Uuid2->Data1 ? -1 : 1;
 225
 226   if (Uuid1->Data2 != Uuid2->Data2)
 227     return Uuid1->Data2 < Uuid2->Data2 ? -1 : 1;
 228
 229   if (Uuid1->Data3 != Uuid2->Data3)
 230     return Uuid1->Data3 < Uuid2->Data3 ? -1 : 1;
 231
 232   for (i = 0; i < 8; i++) {
 233     if (Uuid1->Data4[i] < Uuid2->Data4[i])
 234       return -1;
 235     if (Uuid1->Data4[i] > Uuid2->Data4[i])
 236       return 1;
 237   }
 238
 239   return 0;
 240 }
 241
 242 /*************************************************************************
 243  * UuidEqual [RPCRT4.@]
 244  *
 245  * PARAMS
 246  *     UUID *Uuid1        [I] Uuid to compare
 247  *     UUID *Uuid2        [I] Uuid to compare
 248  *     RPC_STATUS *Status [O] returns RPC_S_OK
 249  *
 250  * RETURNS
 251  *     TRUE/FALSE
 252  */
 253 int WINAPI UuidEqual(UUID *Uuid1, UUID *Uuid2, RPC_STATUS *Status)
 254 {
 255   TRACE("(%s,%s)\n", debugstr_guid(Uuid1), debugstr_guid(Uuid2));
 256   return !UuidCompare(Uuid1, Uuid2, Status);
 257 }
 258
 259 /*************************************************************************
 260  * UuidIsNil [RPCRT4.@]
 261  *
 262  * PARAMS
 263  *     UUID *Uuid         [I] Uuid to compare
 264  *     RPC_STATUS *Status [O] returns RPC_S_OK
 265  *
 266  * RETURNS
 267  *     TRUE/FALSE
 268  */
 269 int WINAPI UuidIsNil(UUID *Uuid, RPC_STATUS *Status)
 270 {
 271   TRACE("(%s)\n", debugstr_guid(Uuid));
 272   if (!Uuid) return TRUE;
 273   return !UuidCompare(Uuid, &uuid_nil, Status);
 274 }
 275
 276  /*************************************************************************
 277  * UuidCreateNil [RPCRT4.@]
 278  *
 279  * PARAMS
 280  *     UUID *Uuid [O] returns a nil UUID
 281  *
 282  * RETURNS
 283  *     RPC_S_OK
 284  */
 285 RPC_STATUS WINAPI UuidCreateNil(UUID *Uuid)
 286 {
 287   *Uuid = uuid_nil;
 288   return RPC_S_OK;
 289 }
 290
 291 /*************************************************************************
 292  *           UuidCreate   [RPCRT4.@]
 293  *
 294  * Creates a 128bit UUID.
 295  *
 296  * RETURNS
 297  *
 298  *  RPC_S_OK if successful.
 299  *  RPC_S_UUID_LOCAL_ONLY if UUID is only locally unique.
 300  *
 301  * NOTES
 302  *
 303  *  Follows RFC 4122, section 4.4 (Algorithms for Creating a UUID from
 304  *  Truly Random or Pseudo-Random Numbers)
 305  */
 306 RPC_STATUS WINAPI UuidCreate(UUID *Uuid)
 307 {
 308     RtlGenRandom(Uuid, sizeof(*Uuid));
 309     /* Clear the version bits and set the version (4) */
 310     Uuid->Data3 &= 0x0fff;
 311     Uuid->Data3 |= (4 << 12);
 312     /* Set the topmost bits of Data4 (clock_seq_hi_and_reserved) as
 313      * specified in RFC 4122, section 4.4.
 314      */
 315     Uuid->Data4[0] &= 0x3f;
 316     Uuid->Data4[0] |= 0x80;
 317
 318     TRACE("%s\n", debugstr_guid(Uuid));
 319
 320     return RPC_S_OK;
 321 }
 322
 323 /* Number of 100ns ticks per clock tick. To be safe, assume that the clock
 324    resolution is at least 1000 * 100 * (1/1000000) = 1/10 of a second */
 325 #define TICKS_PER_CLOCK_TICK 1000
 326 #define SECSPERDAY  86400
 327 #define TICKSPERSEC 10000000
 328 /* UUID system time starts at October 15, 1582 */
 329 #define SECS_15_OCT_1582_TO_1601  ((17 + 30 + 31 + 365 * 18 + 5) * SECSPERDAY)
 330 #define TICKS_15_OCT_1582_TO_1601 ((ULONGLONG)SECS_15_OCT_1582_TO_1601 * TICKSPERSEC)
 331
 332 static void RPC_UuidGetSystemTime(ULONGLONG *time)
 333 {
 334     FILETIME ft;
 335
 336     GetSystemTimeAsFileTime(&ft);
 337
 338     *time = ((ULONGLONG)ft.dwHighDateTime << 32) | ft.dwLowDateTime;
 339     *time += TICKS_15_OCT_1582_TO_1601;
 340 }
 341
 342 /* Assume that a hardware address is at least 6 bytes long */
 343 #define ADDRESS_BYTES_NEEDED 6
 344
 345 static RPC_STATUS RPC_UuidGetNodeAddress(BYTE *address)
 346 {
 347     int i;
 348     DWORD status = RPC_S_OK;
 349
 350     ULONG buflen = sizeof(IP_ADAPTER_INFO);
 351     PIP_ADAPTER_INFO adapter = HeapAlloc(GetProcessHeap(), 0, buflen);
 352
 353     if (GetAdaptersInfo(adapter, &buflen) == ERROR_BUFFER_OVERFLOW) {
 354         HeapFree(GetProcessHeap(), 0, adapter);
 355         adapter = HeapAlloc(GetProcessHeap(), 0, buflen);
 356     }
 357
 358     if (GetAdaptersInfo(adapter, &buflen) == NO_ERROR) {
 359         for (i = 0; i < ADDRESS_BYTES_NEEDED; i++) {
 360             address[i] = adapter->Address[i];
 361         }
 362     }
 363     /* We can't get a hardware address, just use random numbers.
 364        Set the multicast bit to prevent conflicts with real cards. */
 365     else {
 366         RtlGenRandom(address, ADDRESS_BYTES_NEEDED);
 367         address[0] |= 0x01;
 368         status = RPC_S_UUID_LOCAL_ONLY;
 369     }
 370
 371     HeapFree(GetProcessHeap(), 0, adapter);
 372     return status;
 373 }
 374
 375 /*************************************************************************
 376  *           UuidCreateSequential   [RPCRT4.@]
 377  *
 378  * Creates a 128bit UUID.
 379  *
 380  * RETURNS
 381  *
 382  *  RPC_S_OK if successful.
 383  *  RPC_S_UUID_LOCAL_ONLY if UUID is only locally unique.
 384  *
 385  *  FIXME: No compensation for changes across reloading
 386  *         this dll or across reboots (e.g. clock going
 387  *         backwards and swapped network cards). The RFC
 388  *         suggests using NVRAM for storing persistent
 389  *         values.
 390  */
 391 RPC_STATUS WINAPI UuidCreateSequential(UUID *Uuid)
 392 {
 393     static int initialised, count;
 394
 395     ULONGLONG time;
 396     static ULONGLONG timelast;
 397     static WORD sequence;
 398
 399     static DWORD status;
 400     static BYTE address[MAX_ADAPTER_ADDRESS_LENGTH];
 401
 402     EnterCriticalSection(&uuid_cs);
 403
 404     if (!initialised) {
 405         RPC_UuidGetSystemTime(&timelast);
 406         count = TICKS_PER_CLOCK_TICK;
 407
 408         sequence = ((rand() & 0xff) << 8) + (rand() & 0xff);
 409         sequence &= 0x1fff;
 410
 411         status = RPC_UuidGetNodeAddress(address);
 412         initialised = 1;
 413     }
 414
 415     /* Generate time element of the UUID. Account for going faster
 416        than our clock as well as the clock going backwards. */
 417     while (1) {
 418         RPC_UuidGetSystemTime(&time);
 419         if (time > timelast) {
 420             count = 0;
 421             break;
 422         }
 423         if (time < timelast) {
 424             sequence = (sequence + 1) & 0x1fff;
 425             count = 0;
 426             break;
 427         }
 428         if (count < TICKS_PER_CLOCK_TICK) {
 429             count++;
 430             break;
 431         }
 432     }
 433
 434     timelast = time;
 435     time += count;
 436
 437     /* Pack the information into the UUID structure. */
 438
 439     Uuid->Data1  = (ULONG)(time & 0xffffffff);
 440     Uuid->Data2  = (unsigned short)((time >> 32) & 0xffff);
 441     Uuid->Data3  = (unsigned short)((time >> 48) & 0x0fff);
 442
 443     /* This is a version 1 UUID */
 444     Uuid->Data3 |= (1 << 12);
 445
 446     Uuid->Data4[0]  = sequence & 0xff;
 447     Uuid->Data4[1]  = (sequence & 0x3f00) >> 8;
 448     Uuid->Data4[1] |= 0x80;
 449     memcpy(&Uuid->Data4[2], address, ADDRESS_BYTES_NEEDED);
 450
 451     LeaveCriticalSection(&uuid_cs);
 452
 453     TRACE("%s\n", debugstr_guid(Uuid));
 454
 455     return status;
 456 }
 457
 458
 459 /*************************************************************************
 460  *           UuidHash   [RPCRT4.@]
 461  *
 462  * Generates a hash value for a given UUID
 463  *
 464  * Code based on FreeDCE implementation
 465  *
 466  */
 467 unsigned short WINAPI UuidHash(UUID *uuid, RPC_STATUS *Status)
 468 {
 469   BYTE *data = (BYTE*)uuid;
 470   short c0 = 0, c1 = 0, x, y;
 471   unsigned int i;
 472
 473   if (!uuid) data = (BYTE*)(uuid = &uuid_nil);
 474
 475   TRACE("(%s)\n", debugstr_guid(uuid));
 476
 477   for (i=0; i<sizeof(UUID); i++) {
 478     c0 += data[i];
 479     c1 += c0;
 480   }
 481
 482   x = -c1 % 255;
 483   if (x < 0) x += 255;
 484
 485   y = (c1 - c0) % 255;
 486   if (y < 0) y += 255;
 487
 488   *Status = RPC_S_OK;
 489   return y*256 + x;
 490 }
 491
 492 /*************************************************************************
 493  *           UuidToStringA   [RPCRT4.@]
 494  *
 495  * Converts a UUID to a string.
 496  *
 497  * UUID format is 8 hex digits, followed by a hyphen then three groups of
 498  * 4 hex digits each followed by a hyphen and then 12 hex digits
 499  *
 500  * RETURNS
 501  *
 502  *  S_OK if successful.
 503  *  S_OUT_OF_MEMORY if unsuccessful.
 504  */
 505 RPC_STATUS WINAPI UuidToStringA(UUID *Uuid, RPC_CSTR* StringUuid)
 506 {
 507   *StringUuid = HeapAlloc( GetProcessHeap(), 0, sizeof(char) * 37);
 508
 509   if(!(*StringUuid))
 510     return RPC_S_OUT_OF_MEMORY;
 511
 512   if (!Uuid) Uuid = &uuid_nil;
 513
 514   sprintf( (char*)*StringUuid, "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
 515                  Uuid->Data1, Uuid->Data2, Uuid->Data3,
 516                  Uuid->Data4[0], Uuid->Data4[1], Uuid->Data4[2],
 517                  Uuid->Data4[3], Uuid->Data4[4], Uuid->Data4[5],
 518                  Uuid->Data4[6], Uuid->Data4[7] );
 519
 520   return RPC_S_OK;
 521 }
 522
 523 /*************************************************************************
 524  *           UuidToStringW   [RPCRT4.@]
 525  *
 526  * Converts a UUID to a string.
 527  *
 528  *  S_OK if successful.
 529  *  S_OUT_OF_MEMORY if unsuccessful.
 530  */
 531 RPC_STATUS WINAPI UuidToStringW(UUID *Uuid, RPC_WSTR* StringUuid)
 532 {
 533   char buf[37];
 534
 535   if (!Uuid) Uuid = &uuid_nil;
 536
 537   sprintf(buf, "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
 538                Uuid->Data1, Uuid->Data2, Uuid->Data3,
 539                Uuid->Data4[0], Uuid->Data4[1], Uuid->Data4[2],
 540                Uuid->Data4[3], Uuid->Data4[4], Uuid->Data4[5],
 541                Uuid->Data4[6], Uuid->Data4[7] );
 542
 543   *StringUuid = RPCRT4_strdupAtoW(buf);
 544
 545   if(!(*StringUuid))
 546     return RPC_S_OUT_OF_MEMORY;
 547
 548   return RPC_S_OK;
 549 }
 550
 551 static const BYTE hex2bin[] =
 552 {
 553     0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,        /* 0x00 */
 554     0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,        /* 0x10 */
 555     0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,        /* 0x20 */
 556     0,1,2,3,4,5,6,7,8,9,0,0,0,0,0,0,        /* 0x30 */
 557     0,10,11,12,13,14,15,0,0,0,0,0,0,0,0,0,  /* 0x40 */
 558     0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,        /* 0x50 */
 559     0,10,11,12,13,14,15                     /* 0x60 */
 560 };
 561
 562 /***********************************************************************
 563  *              UuidFromStringA (RPCRT4.@)
 564  */
 565 RPC_STATUS WINAPI UuidFromStringA(RPC_CSTR s, UUID *uuid)
 566 {
 567     int i;
 568
 569     if (!s) return UuidCreateNil( uuid );
 570
 571     if (strlen((char*)s) != 36) return RPC_S_INVALID_STRING_UUID;
 572
 573     if ((s[8]!='-') || (s[13]!='-') || (s[18]!='-') || (s[23]!='-'))
 574         return RPC_S_INVALID_STRING_UUID;
 575
 576     for (i=0; i<36; i++)
 577     {
 578         if ((i == 8)||(i == 13)||(i == 18)||(i == 23)) continue;
 579         if (s[i] > 'f' || (!hex2bin[s[i]] && s[i] != '0')) return RPC_S_INVALID_STRING_UUID;
 580     }
 581
 582     /* in form XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX */
 583
 584     uuid->Data1 = (hex2bin[s[0]] << 28 | hex2bin[s[1]] << 24 | hex2bin[s[2]] << 20 | hex2bin[s[3]] << 16 |
 585                    hex2bin[s[4]] << 12 | hex2bin[s[5]]  << 8 | hex2bin[s[6]]  << 4 | hex2bin[s[7]]);
 586     uuid->Data2 =  hex2bin[s[9]] << 12 | hex2bin[s[10]] << 8 | hex2bin[s[11]] << 4 | hex2bin[s[12]];
 587     uuid->Data3 = hex2bin[s[14]] << 12 | hex2bin[s[15]] << 8 | hex2bin[s[16]] << 4 | hex2bin[s[17]];
 588
 589     /* these are just sequential bytes */
 590     uuid->Data4[0] = hex2bin[s[19]] << 4 | hex2bin[s[20]];
 591     uuid->Data4[1] = hex2bin[s[21]] << 4 | hex2bin[s[22]];
 592     uuid->Data4[2] = hex2bin[s[24]] << 4 | hex2bin[s[25]];
 593     uuid->Data4[3] = hex2bin[s[26]] << 4 | hex2bin[s[27]];
 594     uuid->Data4[4] = hex2bin[s[28]] << 4 | hex2bin[s[29]];
 595     uuid->Data4[5] = hex2bin[s[30]] << 4 | hex2bin[s[31]];
 596     uuid->Data4[6] = hex2bin[s[32]] << 4 | hex2bin[s[33]];
 597     uuid->Data4[7] = hex2bin[s[34]] << 4 | hex2bin[s[35]];
 598     return RPC_S_OK;
 599 }
 600
 601
 602 /***********************************************************************
 603  *              UuidFromStringW (RPCRT4.@)
 604  */
 605 RPC_STATUS WINAPI UuidFromStringW(RPC_WSTR s, UUID *uuid)
 606 {
 607     int i;
 608
 609     if (!s) return UuidCreateNil( uuid );
 610
 611     if (strlenW(s) != 36) return RPC_S_INVALID_STRING_UUID;
 612
 613     if ((s[8]!='-') || (s[13]!='-') || (s[18]!='-') || (s[23]!='-'))
 614         return RPC_S_INVALID_STRING_UUID;
 615
 616     for (i=0; i<36; i++)
 617     {
 618         if ((i == 8)||(i == 13)||(i == 18)||(i == 23)) continue;
 619         if (s[i] > 'f' || (!hex2bin[s[i]] && s[i] != '0')) return RPC_S_INVALID_STRING_UUID;
 620     }
 621
 622     /* in form XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX */
 623
 624     uuid->Data1 = (hex2bin[s[0]] << 28 | hex2bin[s[1]] << 24 | hex2bin[s[2]] << 20 | hex2bin[s[3]] << 16 |
 625                    hex2bin[s[4]] << 12 | hex2bin[s[5]]  << 8 | hex2bin[s[6]]  << 4 | hex2bin[s[7]]);
 626     uuid->Data2 =  hex2bin[s[9]] << 12 | hex2bin[s[10]] << 8 | hex2bin[s[11]] << 4 | hex2bin[s[12]];
 627     uuid->Data3 = hex2bin[s[14]] << 12 | hex2bin[s[15]] << 8 | hex2bin[s[16]] << 4 | hex2bin[s[17]];
 628
 629     /* these are just sequential bytes */
 630     uuid->Data4[0] = hex2bin[s[19]] << 4 | hex2bin[s[20]];
 631     uuid->Data4[1] = hex2bin[s[21]] << 4 | hex2bin[s[22]];
 632     uuid->Data4[2] = hex2bin[s[24]] << 4 | hex2bin[s[25]];
 633     uuid->Data4[3] = hex2bin[s[26]] << 4 | hex2bin[s[27]];
 634     uuid->Data4[4] = hex2bin[s[28]] << 4 | hex2bin[s[29]];
 635     uuid->Data4[5] = hex2bin[s[30]] << 4 | hex2bin[s[31]];
 636     uuid->Data4[6] = hex2bin[s[32]] << 4 | hex2bin[s[33]];
 637     uuid->Data4[7] = hex2bin[s[34]] << 4 | hex2bin[s[35]];
 638     return RPC_S_OK;
 639 }
 640
 641 /***********************************************************************
 642  *              DllRegisterServer (RPCRT4.@)
 643  */
 644
 645 HRESULT WINAPI DllRegisterServer( void )
 646 {
 647     FIXME( "(): stub\n" );
 648     return S_OK;
 649 }
 650
 651 #define MAX_RPC_ERROR_TEXT 256
 652
 653 /******************************************************************************
 654  * DceErrorInqTextW   (rpcrt4.@)
 655  *
 656  * Notes
 657  * 1. On passing a NULL pointer the code does bomb out.
 658  * 2. The size of the required buffer is not defined in the documentation.
 659  *    It appears to be 256.
 660  * 3. The function is defined to return RPC_S_INVALID_ARG but I don't know
 661  *    of any value for which it does.
 662  * 4. The MSDN documentation currently declares that the second argument is
 663  *    unsigned char *, even for the W version.  I don't believe it.
 664  */
 665 RPC_STATUS RPC_ENTRY DceErrorInqTextW (RPC_STATUS e, RPC_WSTR buffer)
 666 {
 667     DWORD count;
 668     count = FormatMessageW (FORMAT_MESSAGE_FROM_SYSTEM |
 669                 FORMAT_MESSAGE_IGNORE_INSERTS,
 670                 NULL, e, 0, buffer, MAX_RPC_ERROR_TEXT, NULL);
 671     if (!count)
 672     {
 673         count = FormatMessageW (FORMAT_MESSAGE_FROM_SYSTEM |
 674                 FORMAT_MESSAGE_IGNORE_INSERTS,
 675                 NULL, RPC_S_NOT_RPC_ERROR, 0, buffer, MAX_RPC_ERROR_TEXT, NULL);
 676         if (!count)
 677         {
 678             ERR ("Failed to translate error\n");
 679             return RPC_S_INVALID_ARG;
 680         }
 681     }
 682     return RPC_S_OK;
 683 }
 684
 685 /******************************************************************************
 686  * DceErrorInqTextA   (rpcrt4.@)
 687  */
 688 RPC_STATUS RPC_ENTRY DceErrorInqTextA (RPC_STATUS e, RPC_CSTR buffer)
 689 {
 690     RPC_STATUS status;
 691     WCHAR bufferW [MAX_RPC_ERROR_TEXT];
 692     if ((status = DceErrorInqTextW (e, bufferW)) == RPC_S_OK)
 693     {
 694         if (!WideCharToMultiByte(CP_ACP, 0, bufferW, -1, (LPSTR)buffer, MAX_RPC_ERROR_TEXT,
 695                 NULL, NULL))
 696         {
 697             ERR ("Failed to translate error\n");
 698             status = RPC_S_INVALID_ARG;
 699         }
 700     }
 701     return status;
 702 }
 703
 704 /******************************************************************************
 705  * I_RpcAllocate   (rpcrt4.@)
 706  */
 707 void * WINAPI I_RpcAllocate(unsigned int Size)
 708 {
 709     return HeapAlloc(GetProcessHeap(), 0, Size);
 710 }
 711
 712 /******************************************************************************
 713  * I_RpcFree   (rpcrt4.@)
 714  */
 715 void WINAPI I_RpcFree(void *Object)
 716 {
 717     HeapFree(GetProcessHeap(), 0, Object);
 718 }
 719
 720 /******************************************************************************
 721  * I_RpcMapWin32Status   (rpcrt4.@)
 722  *
 723  * Maps Win32 RPC error codes to NT statuses.
 724  *
 725  * PARAMS
 726  *  status [I] Win32 RPC error code.
 727  *
 728  * RETURNS
 729  *  Appropriate translation into an NT status code.
 730  */
 731 LONG WINAPI I_RpcMapWin32Status(RPC_STATUS status)
 732 {
 733     TRACE("(%d)\n", status);
 734     switch (status)
 735     {
 736     case ERROR_ACCESS_DENIED: return STATUS_ACCESS_DENIED;
 737     case ERROR_INVALID_HANDLE: return RPC_NT_SS_CONTEXT_MISMATCH;
 738     case ERROR_OUTOFMEMORY: return STATUS_NO_MEMORY;
 739     case ERROR_INVALID_PARAMETER: return STATUS_INVALID_PARAMETER;
 740     case ERROR_INSUFFICIENT_BUFFER: return STATUS_BUFFER_TOO_SMALL;
 741     case ERROR_MAX_THRDS_REACHED: return STATUS_NO_MEMORY;
 742     case ERROR_NOACCESS: return STATUS_ACCESS_VIOLATION;
 743     case ERROR_NOT_ENOUGH_SERVER_MEMORY: return STATUS_INSUFF_SERVER_RESOURCES;
 744     case ERROR_WRONG_PASSWORD: return STATUS_WRONG_PASSWORD;
 745     case ERROR_INVALID_LOGON_HOURS: return STATUS_INVALID_LOGON_HOURS;
 746     case ERROR_PASSWORD_EXPIRED: return STATUS_PASSWORD_EXPIRED;
 747     case ERROR_ACCOUNT_DISABLED: return STATUS_ACCOUNT_DISABLED;
 748     case ERROR_INVALID_SECURITY_DESCR: return STATUS_INVALID_SECURITY_DESCR;
 749     case RPC_S_INVALID_STRING_BINDING: return RPC_NT_INVALID_STRING_BINDING;
 750     case RPC_S_WRONG_KIND_OF_BINDING: return RPC_NT_WRONG_KIND_OF_BINDING;
 751     case RPC_S_INVALID_BINDING: return RPC_NT_INVALID_BINDING;
 752     case RPC_S_PROTSEQ_NOT_SUPPORTED: return RPC_NT_PROTSEQ_NOT_SUPPORTED;
 753     case RPC_S_INVALID_RPC_PROTSEQ: return RPC_NT_INVALID_RPC_PROTSEQ;
 754     case RPC_S_INVALID_STRING_UUID: return RPC_NT_INVALID_STRING_UUID;
 755     case RPC_S_INVALID_ENDPOINT_FORMAT: return RPC_NT_INVALID_ENDPOINT_FORMAT;
 756     case RPC_S_INVALID_NET_ADDR: return RPC_NT_INVALID_NET_ADDR;
 757     case RPC_S_NO_ENDPOINT_FOUND: return RPC_NT_NO_ENDPOINT_FOUND;
 758     case RPC_S_INVALID_TIMEOUT: return RPC_NT_INVALID_TIMEOUT;
 759     case RPC_S_OBJECT_NOT_FOUND: return RPC_NT_OBJECT_NOT_FOUND;
 760     case RPC_S_ALREADY_REGISTERED: return RPC_NT_ALREADY_REGISTERED;
 761     case RPC_S_TYPE_ALREADY_REGISTERED: return RPC_NT_TYPE_ALREADY_REGISTERED;
 762     case RPC_S_ALREADY_LISTENING: return RPC_NT_ALREADY_LISTENING;
 763     case RPC_S_NO_PROTSEQS_REGISTERED: return RPC_NT_NO_PROTSEQS_REGISTERED;
 764     case RPC_S_NOT_LISTENING: return RPC_NT_NOT_LISTENING;
 765     case RPC_S_UNKNOWN_MGR_TYPE: return RPC_NT_UNKNOWN_MGR_TYPE;
 766     case RPC_S_UNKNOWN_IF: return RPC_NT_UNKNOWN_IF;
 767     case RPC_S_NO_BINDINGS: return RPC_NT_NO_BINDINGS;
 768     case RPC_S_NO_PROTSEQS: return RPC_NT_NO_PROTSEQS;
 769     case RPC_S_CANT_CREATE_ENDPOINT: return RPC_NT_CANT_CREATE_ENDPOINT;
 770     case RPC_S_OUT_OF_RESOURCES: return RPC_NT_OUT_OF_RESOURCES;
 771     case RPC_S_SERVER_UNAVAILABLE: return RPC_NT_SERVER_UNAVAILABLE;
 772     case RPC_S_SERVER_TOO_BUSY: return RPC_NT_SERVER_TOO_BUSY;
 773     case RPC_S_INVALID_NETWORK_OPTIONS: return RPC_NT_INVALID_NETWORK_OPTIONS;
 774     case RPC_S_NO_CALL_ACTIVE: return RPC_NT_NO_CALL_ACTIVE;
 775     case RPC_S_CALL_FAILED: return RPC_NT_CALL_FAILED;
 776     case RPC_S_CALL_FAILED_DNE: return RPC_NT_CALL_FAILED_DNE;
 777     case RPC_S_PROTOCOL_ERROR: return RPC_NT_PROTOCOL_ERROR;
 778     case RPC_S_UNSUPPORTED_TRANS_SYN: return RPC_NT_UNSUPPORTED_TRANS_SYN;
 779     case RPC_S_UNSUPPORTED_TYPE: return RPC_NT_UNSUPPORTED_TYPE;
 780     case RPC_S_INVALID_TAG: return RPC_NT_INVALID_TAG;
 781     case RPC_S_INVALID_BOUND: return RPC_NT_INVALID_BOUND;
 782     case RPC_S_NO_ENTRY_NAME: return RPC_NT_NO_ENTRY_NAME;
 783     case RPC_S_INVALID_NAME_SYNTAX: return RPC_NT_INVALID_NAME_SYNTAX;
 784     case RPC_S_UNSUPPORTED_NAME_SYNTAX: return RPC_NT_UNSUPPORTED_NAME_SYNTAX;
 785     case RPC_S_UUID_NO_ADDRESS: return RPC_NT_UUID_NO_ADDRESS;
 786     case RPC_S_DUPLICATE_ENDPOINT: return RPC_NT_DUPLICATE_ENDPOINT;
 787     case RPC_S_UNKNOWN_AUTHN_TYPE: return RPC_NT_UNKNOWN_AUTHN_TYPE;
 788     case RPC_S_MAX_CALLS_TOO_SMALL: return RPC_NT_MAX_CALLS_TOO_SMALL;
 789     case RPC_S_STRING_TOO_LONG: return RPC_NT_STRING_TOO_LONG;
 790     case RPC_S_PROTSEQ_NOT_FOUND: return RPC_NT_PROTSEQ_NOT_FOUND;
 791     case RPC_S_PROCNUM_OUT_OF_RANGE: return RPC_NT_PROCNUM_OUT_OF_RANGE;
 792     case RPC_S_BINDING_HAS_NO_AUTH: return RPC_NT_BINDING_HAS_NO_AUTH;
 793     case RPC_S_UNKNOWN_AUTHN_SERVICE: return RPC_NT_UNKNOWN_AUTHN_SERVICE;
 794     case RPC_S_UNKNOWN_AUTHN_LEVEL: return RPC_NT_UNKNOWN_AUTHN_LEVEL;
 795     case RPC_S_INVALID_AUTH_IDENTITY: return RPC_NT_INVALID_AUTH_IDENTITY;
 796     case RPC_S_UNKNOWN_AUTHZ_SERVICE: return RPC_NT_UNKNOWN_AUTHZ_SERVICE;
 797     case EPT_S_INVALID_ENTRY: return EPT_NT_INVALID_ENTRY;
 798     case EPT_S_CANT_PERFORM_OP: return EPT_NT_CANT_PERFORM_OP;
 799     case EPT_S_NOT_REGISTERED: return EPT_NT_NOT_REGISTERED;
 800     case EPT_S_CANT_CREATE: return EPT_NT_CANT_CREATE;
 801     case RPC_S_NOTHING_TO_EXPORT: return RPC_NT_NOTHING_TO_EXPORT;
 802     case RPC_S_INCOMPLETE_NAME: return RPC_NT_INCOMPLETE_NAME;
 803     case RPC_S_INVALID_VERS_OPTION: return RPC_NT_INVALID_VERS_OPTION;
 804     case RPC_S_NO_MORE_MEMBERS: return RPC_NT_NO_MORE_MEMBERS;
 805     case RPC_S_NOT_ALL_OBJS_UNEXPORTED: return RPC_NT_NOT_ALL_OBJS_UNEXPORTED;
 806     case RPC_S_INTERFACE_NOT_FOUND: return RPC_NT_INTERFACE_NOT_FOUND;
 807     case RPC_S_ENTRY_ALREADY_EXISTS: return RPC_NT_ENTRY_ALREADY_EXISTS;
 808     case RPC_S_ENTRY_NOT_FOUND: return RPC_NT_ENTRY_NOT_FOUND;
 809     case RPC_S_NAME_SERVICE_UNAVAILABLE: return RPC_NT_NAME_SERVICE_UNAVAILABLE;
 810     case RPC_S_INVALID_NAF_ID: return RPC_NT_INVALID_NAF_ID;
 811     case RPC_S_CANNOT_SUPPORT: return RPC_NT_CANNOT_SUPPORT;
 812     case RPC_S_NO_CONTEXT_AVAILABLE: return RPC_NT_NO_CONTEXT_AVAILABLE;
 813     case RPC_S_INTERNAL_ERROR: return RPC_NT_INTERNAL_ERROR;
 814     case RPC_S_ZERO_DIVIDE: return RPC_NT_ZERO_DIVIDE;
 815     case RPC_S_ADDRESS_ERROR: return RPC_NT_ADDRESS_ERROR;
 816     case RPC_S_FP_DIV_ZERO: return RPC_NT_FP_DIV_ZERO;
 817     case RPC_S_FP_UNDERFLOW: return RPC_NT_FP_UNDERFLOW;
 818     case RPC_S_FP_OVERFLOW: return RPC_NT_FP_OVERFLOW;
 819     case RPC_S_CALL_IN_PROGRESS: return RPC_NT_CALL_IN_PROGRESS;
 820     case RPC_S_NO_MORE_BINDINGS: return RPC_NT_NO_MORE_BINDINGS;
 821     case RPC_S_CALL_CANCELLED: return RPC_NT_CALL_CANCELLED;
 822     case RPC_S_INVALID_OBJECT: return RPC_NT_INVALID_OBJECT;
 823     case RPC_S_INVALID_ASYNC_HANDLE: return RPC_NT_INVALID_ASYNC_HANDLE;
 824     case RPC_S_INVALID_ASYNC_CALL: return RPC_NT_INVALID_ASYNC_CALL;
 825     case RPC_S_GROUP_MEMBER_NOT_FOUND: return RPC_NT_GROUP_MEMBER_NOT_FOUND;
 826     case RPC_X_NO_MORE_ENTRIES: return RPC_NT_NO_MORE_ENTRIES;
 827     case RPC_X_SS_CHAR_TRANS_OPEN_FAIL: return RPC_NT_SS_CHAR_TRANS_OPEN_FAIL;
 828     case RPC_X_SS_CHAR_TRANS_SHORT_FILE: return RPC_NT_SS_CHAR_TRANS_SHORT_FILE;
 829     case RPC_X_SS_IN_NULL_CONTEXT: return RPC_NT_SS_IN_NULL_CONTEXT;
 830     case RPC_X_SS_CONTEXT_DAMAGED: return RPC_NT_SS_CONTEXT_DAMAGED;
 831     case RPC_X_SS_HANDLES_MISMATCH: return RPC_NT_SS_HANDLES_MISMATCH;
 832     case RPC_X_SS_CANNOT_GET_CALL_HANDLE: return RPC_NT_SS_CANNOT_GET_CALL_HANDLE;
 833     case RPC_X_NULL_REF_POINTER: return RPC_NT_NULL_REF_POINTER;
 834     case RPC_X_ENUM_VALUE_OUT_OF_RANGE: return RPC_NT_ENUM_VALUE_OUT_OF_RANGE;
 835     case RPC_X_BYTE_COUNT_TOO_SMALL: return RPC_NT_BYTE_COUNT_TOO_SMALL;
 836     case RPC_X_BAD_STUB_DATA: return RPC_NT_BAD_STUB_DATA;
 837     case RPC_X_PIPE_CLOSED: return RPC_NT_PIPE_CLOSED;
 838     case RPC_X_PIPE_DISCIPLINE_ERROR: return RPC_NT_PIPE_DISCIPLINE_ERROR;
 839     case RPC_X_PIPE_EMPTY: return RPC_NT_PIPE_EMPTY;
 840     case ERROR_PASSWORD_MUST_CHANGE: return STATUS_PASSWORD_MUST_CHANGE;
 841     case ERROR_ACCOUNT_LOCKED_OUT: return STATUS_ACCOUNT_LOCKED_OUT;
 842     default: return status;
 843     }
 844 }
 845
 846 /******************************************************************************
 847  * I_RpcExceptionFilter   (rpcrt4.@)
 848  */
 849 int WINAPI I_RpcExceptionFilter(ULONG ExceptionCode)
 850 {
 851     TRACE("0x%x\n", ExceptionCode);
 852     switch (ExceptionCode)
 853     {
 854     case STATUS_DATATYPE_MISALIGNMENT:
 855     case STATUS_BREAKPOINT:
 856     case STATUS_ACCESS_VIOLATION:
 857     case STATUS_ILLEGAL_INSTRUCTION:
 858     case STATUS_PRIVILEGED_INSTRUCTION:
 859     case STATUS_INSTRUCTION_MISALIGNMENT:
 860     case STATUS_STACK_OVERFLOW:
 861     case STATUS_POSSIBLE_DEADLOCK:
 862         return EXCEPTION_CONTINUE_SEARCH;
 863     default:
 864         return EXCEPTION_EXECUTE_HANDLER;
 865     }
 866 }
 867
 868 /******************************************************************************
 869  * RpcErrorStartEnumeration   (rpcrt4.@)
 870  */
 871 RPC_STATUS RPC_ENTRY RpcErrorStartEnumeration(RPC_ERROR_ENUM_HANDLE* EnumHandle)
 872 {
 873     FIXME("(%p): stub\n", EnumHandle);
 874     return RPC_S_ENTRY_NOT_FOUND;
 875 }
 876
 877 /******************************************************************************
 878  * RpcMgmtSetCancelTimeout   (rpcrt4.@)
 879  */
 880 RPC_STATUS RPC_ENTRY RpcMgmtSetCancelTimeout(LONG Timeout)
 881 {
 882     FIXME("(%d): stub\n", Timeout);
 883     return RPC_S_OK;
 884 }
 885
 886 static struct threaddata *get_or_create_threaddata(void)
 887 {
 888     struct threaddata *tdata = NtCurrentTeb()->ReservedForNtRpc;
 889     if (!tdata)
 890     {
 891         tdata = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*tdata));
 892         if (!tdata) return NULL;
 893
 894         InitializeCriticalSection(&tdata->cs);
 895         tdata->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": threaddata.cs");
 896         tdata->thread_id = GetCurrentThreadId();
 897
 898         EnterCriticalSection(&threaddata_cs);
 899         list_add_tail(&threaddata_list, &tdata->entry);
 900         LeaveCriticalSection(&threaddata_cs);
 901
 902         NtCurrentTeb()->ReservedForNtRpc = tdata;
 903         return tdata;
 904     }
 905     return tdata;
 906 }
 907
 908 void RPCRT4_SetThreadCurrentConnection(RpcConnection *Connection)
 909 {
 910     struct threaddata *tdata = get_or_create_threaddata();
 911     if (!tdata) return;
 912
 913     EnterCriticalSection(&tdata->cs);
 914     tdata->connection = Connection;
 915     LeaveCriticalSection(&tdata->cs);
 916 }
 917
 918 void RPCRT4_SetThreadCurrentCallHandle(RpcBinding *Binding)
 919 {
 920     struct threaddata *tdata = get_or_create_threaddata();
 921     if (!tdata) return;
 922
 923     tdata->server_binding = Binding;
 924 }
 925
 926 RpcBinding *RPCRT4_GetThreadCurrentCallHandle(void)
 927 {
 928     struct threaddata *tdata = get_or_create_threaddata();
 929     if (!tdata) return NULL;
 930
 931     return tdata->server_binding;
 932 }
 933
 934 void RPCRT4_PushThreadContextHandle(NDR_SCONTEXT SContext)
 935 {
 936     struct threaddata *tdata = get_or_create_threaddata();
 937     struct context_handle_list *context_handle_list;
 938
 939     if (!tdata) return;
 940
 941     context_handle_list = HeapAlloc(GetProcessHeap(), 0, sizeof(*context_handle_list));
 942     if (!context_handle_list) return;
 943
 944     context_handle_list->context_handle = SContext;
 945     context_handle_list->next = tdata->context_handle_list;
 946     tdata->context_handle_list = context_handle_list;
 947 }
 948
 949 void RPCRT4_RemoveThreadContextHandle(NDR_SCONTEXT SContext)
 950 {
 951     struct threaddata *tdata = get_or_create_threaddata();
 952     struct context_handle_list *current, *prev;
 953
 954     if (!tdata) return;
 955
 956     for (current = tdata->context_handle_list, prev = NULL; current; prev = current, current = current->next)
 957     {
 958         if (current->context_handle == SContext)
 959         {
 960             if (prev)
 961                 prev->next = current->next;
 962             else
 963                 tdata->context_handle_list = current->next;
 964             HeapFree(GetProcessHeap(), 0, current);
 965             return;
 966         }
 967     }
 968 }
 969
 970 NDR_SCONTEXT RPCRT4_PopThreadContextHandle(void)
 971 {
 972     struct threaddata *tdata = get_or_create_threaddata();
 973     struct context_handle_list *context_handle_list;
 974     NDR_SCONTEXT context_handle;
 975
 976     if (!tdata) return NULL;
 977
 978     context_handle_list = tdata->context_handle_list;
 979     if (!context_handle_list) return NULL;
 980     tdata->context_handle_list = context_handle_list->next;
 981
 982     context_handle = context_handle_list->context_handle;
 983     HeapFree(GetProcessHeap(), 0, context_handle_list);
 984     return context_handle;
 985 }
 986
 987 static RPC_STATUS rpc_cancel_thread(DWORD target_tid)
 988 {
 989     struct threaddata *tdata;
 990
 991     EnterCriticalSection(&threaddata_cs);
 992     LIST_FOR_EACH_ENTRY(tdata, &threaddata_list, struct threaddata, entry)
 993         if (tdata->thread_id == target_tid)
 994         {
 995             EnterCriticalSection(&tdata->cs);
 996             if (tdata->connection) rpcrt4_conn_cancel_call(tdata->connection);
 997             LeaveCriticalSection(&tdata->cs);
 998             break;
 999         }
1000     LeaveCriticalSection(&threaddata_cs);
1001
1002     return RPC_S_OK;
1003 }
1004
1005 /******************************************************************************
1006  * RpcCancelThread   (rpcrt4.@)
1007  */
1008 RPC_STATUS RPC_ENTRY RpcCancelThread(void* ThreadHandle)
1009 {
1010     TRACE("(%p)\n", ThreadHandle);
1011     return RpcCancelThreadEx(ThreadHandle, 0);
1012 }
1013
1014 /******************************************************************************
1015  * RpcCancelThreadEx   (rpcrt4.@)
1016  */
1017 RPC_STATUS RPC_ENTRY RpcCancelThreadEx(void* ThreadHandle, LONG Timeout)
1018 {
1019     DWORD target_tid;
1020
1021     FIXME("(%p, %d)\n", ThreadHandle, Timeout);
1022
1023     target_tid = GetThreadId(ThreadHandle);
1024     if (!target_tid)
1025         return RPC_S_INVALID_ARG;
1026
1027     if (Timeout)
1028     {
1029         FIXME("(%p, %d)\n", ThreadHandle, Timeout);
1030         return RPC_S_OK;
1031     }
1032     else
1033         return rpc_cancel_thread(target_tid);
1034 }