xref: /reactos/dll/win32/rpcrt4/rpcrt4_main.c (revision b5218987)
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 <stdarg.h>
32 #include <stdio.h>
33 #include <stdlib.h>
34 #include <string.h>
35 
36 #include "ntstatus.h"
37 #define WIN32_NO_STATUS
38 #include "windef.h"
39 #include "winerror.h"
40 #include "winbase.h"
41 #include "winuser.h"
42 #include "winnt.h"
43 #include "wine/winternl.h"
44 #include "ntsecapi.h"
45 #include "iptypes.h"
46 #include "iphlpapi.h"
47 #include "rpc.h"
48 
49 #include "ole2.h"
50 #include "rpcndr.h"
51 #include "rpcproxy.h"
52 
53 #include "rpc_binding.h"
54 #include "rpc_server.h"
55 
56 #include "wine/debug.h"
57 
58 WINE_DEFAULT_DEBUG_CHANNEL(rpc);
59 
60 static UUID uuid_nil;
61 
62 static CRITICAL_SECTION uuid_cs;
63 static CRITICAL_SECTION_DEBUG critsect_debug =
64 {
65     0, 0, &uuid_cs,
66     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
67       0, 0, { (DWORD_PTR)(__FILE__ ": uuid_cs") }
68 };
69 static CRITICAL_SECTION uuid_cs = { &critsect_debug, -1, 0, 0, 0, 0 };
70 
71 static CRITICAL_SECTION threaddata_cs;
72 static CRITICAL_SECTION_DEBUG threaddata_cs_debug =
73 {
74     0, 0, &threaddata_cs,
75     { &threaddata_cs_debug.ProcessLocksList, &threaddata_cs_debug.ProcessLocksList },
76       0, 0, { (DWORD_PTR)(__FILE__ ": threaddata_cs") }
77 };
78 static CRITICAL_SECTION threaddata_cs = { &threaddata_cs_debug, -1, 0, 0, 0, 0 };
79 
80 static struct list threaddata_list = LIST_INIT(threaddata_list);
81 
82 struct context_handle_list
83 {
84     struct context_handle_list *next;
85     NDR_SCONTEXT context_handle;
86 };
87 
88 struct threaddata
89 {
90     struct list entry;
91     CRITICAL_SECTION cs;
92     DWORD thread_id;
93     RpcConnection *connection;
94     RpcBinding *server_binding;
95     struct context_handle_list *context_handle_list;
96 };
97 
98 /***********************************************************************
99  * DllMain
100  *
101  * PARAMS
102  *     hinstDLL    [I] handle to the DLL's instance
103  *     fdwReason   [I]
104  *     lpvReserved [I] reserved, must be NULL
105  *
106  * RETURNS
107  *     Success: TRUE
108  *     Failure: FALSE
109  */
110 
111 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
112 {
113     struct threaddata *tdata;
114 
115     switch (fdwReason) {
116     case DLL_PROCESS_ATTACH:
117         break;
118 
119     case DLL_THREAD_DETACH:
120         tdata = NtCurrentTeb()->ReservedForNtRpc;
121         if (tdata)
122         {
123             EnterCriticalSection(&threaddata_cs);
124             list_remove(&tdata->entry);
125             LeaveCriticalSection(&threaddata_cs);
126 
127             tdata->cs.DebugInfo->Spare[0] = 0;
128             DeleteCriticalSection(&tdata->cs);
129             if (tdata->connection)
130                 ERR("tdata->connection should be NULL but is still set to %p\n", tdata->connection);
131             if (tdata->server_binding)
132                 ERR("tdata->server_binding should be NULL but is still set to %p\n", tdata->server_binding);
133             HeapFree(GetProcessHeap(), 0, tdata);
134         }
135         break;
136 
137     case DLL_PROCESS_DETACH:
138         if (lpvReserved) break; /* do nothing if process is shutting down */
139         RPCRT4_destroy_all_protseqs();
140         RPCRT4_ServerFreeAllRegisteredAuthInfo();
141         DeleteCriticalSection(&uuid_cs);
142         DeleteCriticalSection(&threaddata_cs);
143         break;
144     }
145 
146     return TRUE;
147 }
148 
149 /*************************************************************************
150  *           RpcStringFreeA   [RPCRT4.@]
151  *
152  * Frees a character string allocated by the RPC run-time library.
153  *
154  * RETURNS
155  *
156  *  S_OK if successful.
157  */
158 RPC_STATUS WINAPI RpcStringFreeA(RPC_CSTR* String)
159 {
160   HeapFree( GetProcessHeap(), 0, *String);
161 
162   return RPC_S_OK;
163 }
164 
165 /*************************************************************************
166  *           RpcStringFreeW   [RPCRT4.@]
167  *
168  * Frees a character string allocated by the RPC run-time library.
169  *
170  * RETURNS
171  *
172  *  S_OK if successful.
173  */
174 RPC_STATUS WINAPI RpcStringFreeW(RPC_WSTR* String)
175 {
176   HeapFree( GetProcessHeap(), 0, *String);
177 
178   return RPC_S_OK;
179 }
180 
181 /*************************************************************************
182  *           RpcRaiseException   [RPCRT4.@]
183  *
184  * Raises an exception.
185  */
186 void DECLSPEC_NORETURN WINAPI RpcRaiseException(RPC_STATUS exception)
187 {
188   /* shouldn't return */
189   RaiseException(exception, 0, 0, NULL);
190   ERR("handler continued execution\n");
191   ExitProcess(1);
192 }
193 
194 /*************************************************************************
195  * UuidCompare [RPCRT4.@]
196  *
197  * PARAMS
198  *     UUID *Uuid1        [I] Uuid to compare
199  *     UUID *Uuid2        [I] Uuid to compare
200  *     RPC_STATUS *Status [O] returns RPC_S_OK
201  *
202  * RETURNS
203  *    -1  if Uuid1 is less than Uuid2
204  *     0  if Uuid1 and Uuid2 are equal
205  *     1  if Uuid1 is greater than Uuid2
206  */
207 int WINAPI UuidCompare(UUID *Uuid1, UUID *Uuid2, RPC_STATUS *Status)
208 {
209   int i;
210 
211   TRACE("(%s,%s)\n", debugstr_guid(Uuid1), debugstr_guid(Uuid2));
212 
213   *Status = RPC_S_OK;
214 
215   if (!Uuid1) Uuid1 = &uuid_nil;
216   if (!Uuid2) Uuid2 = &uuid_nil;
217 
218   if (Uuid1 == Uuid2) return 0;
219 
220   if (Uuid1->Data1 != Uuid2->Data1)
221     return Uuid1->Data1 < Uuid2->Data1 ? -1 : 1;
222 
223   if (Uuid1->Data2 != Uuid2->Data2)
224     return Uuid1->Data2 < Uuid2->Data2 ? -1 : 1;
225 
226   if (Uuid1->Data3 != Uuid2->Data3)
227     return Uuid1->Data3 < Uuid2->Data3 ? -1 : 1;
228 
229   for (i = 0; i < 8; i++) {
230     if (Uuid1->Data4[i] < Uuid2->Data4[i])
231       return -1;
232     if (Uuid1->Data4[i] > Uuid2->Data4[i])
233       return 1;
234   }
235 
236   return 0;
237 }
238 
239 /*************************************************************************
240  * UuidEqual [RPCRT4.@]
241  *
242  * PARAMS
243  *     UUID *Uuid1        [I] Uuid to compare
244  *     UUID *Uuid2        [I] Uuid to compare
245  *     RPC_STATUS *Status [O] returns RPC_S_OK
246  *
247  * RETURNS
248  *     TRUE/FALSE
249  */
250 int WINAPI UuidEqual(UUID *Uuid1, UUID *Uuid2, RPC_STATUS *Status)
251 {
252   TRACE("(%s,%s)\n", debugstr_guid(Uuid1), debugstr_guid(Uuid2));
253   return !UuidCompare(Uuid1, Uuid2, Status);
254 }
255 
256 /*************************************************************************
257  * UuidIsNil [RPCRT4.@]
258  *
259  * PARAMS
260  *     UUID *Uuid         [I] Uuid to compare
261  *     RPC_STATUS *Status [O] returns RPC_S_OK
262  *
263  * RETURNS
264  *     TRUE/FALSE
265  */
266 int WINAPI UuidIsNil(UUID *Uuid, RPC_STATUS *Status)
267 {
268   TRACE("(%s)\n", debugstr_guid(Uuid));
269   if (!Uuid) return TRUE;
270   return !UuidCompare(Uuid, &uuid_nil, Status);
271 }
272 
273  /*************************************************************************
274  * UuidCreateNil [RPCRT4.@]
275  *
276  * PARAMS
277  *     UUID *Uuid [O] returns a nil UUID
278  *
279  * RETURNS
280  *     RPC_S_OK
281  */
282 RPC_STATUS WINAPI UuidCreateNil(UUID *Uuid)
283 {
284   *Uuid = uuid_nil;
285   return RPC_S_OK;
286 }
287 
288 /*************************************************************************
289  *           UuidCreate   [RPCRT4.@]
290  *
291  * Creates a 128bit UUID.
292  *
293  * RETURNS
294  *
295  *  RPC_S_OK if successful.
296  *  RPC_S_UUID_LOCAL_ONLY if UUID is only locally unique.
297  *
298  * NOTES
299  *
300  *  Follows RFC 4122, section 4.4 (Algorithms for Creating a UUID from
301  *  Truly Random or Pseudo-Random Numbers)
302  */
303 RPC_STATUS WINAPI UuidCreate(UUID *Uuid)
304 {
305     RtlGenRandom(Uuid, sizeof(*Uuid));
306     /* Clear the version bits and set the version (4) */
307     Uuid->Data3 &= 0x0fff;
308     Uuid->Data3 |= (4 << 12);
309     /* Set the topmost bits of Data4 (clock_seq_hi_and_reserved) as
310      * specified in RFC 4122, section 4.4.
311      */
312     Uuid->Data4[0] &= 0x3f;
313     Uuid->Data4[0] |= 0x80;
314 
315     TRACE("%s\n", debugstr_guid(Uuid));
316 
317     return RPC_S_OK;
318 }
319 
320 /* Number of 100ns ticks per clock tick. To be safe, assume that the clock
321    resolution is at least 1000 * 100 * (1/1000000) = 1/10 of a second */
322 #define TICKS_PER_CLOCK_TICK 1000
323 #define SECSPERDAY  86400
324 #define TICKSPERSEC 10000000
325 /* UUID system time starts at October 15, 1582 */
326 #define SECS_15_OCT_1582_TO_1601  ((17 + 30 + 31 + 365 * 18 + 5) * SECSPERDAY)
327 #define TICKS_15_OCT_1582_TO_1601 ((ULONGLONG)SECS_15_OCT_1582_TO_1601 * TICKSPERSEC)
328 
329 static void RPC_UuidGetSystemTime(ULONGLONG *time)
330 {
331     FILETIME ft;
332 
333     GetSystemTimeAsFileTime(&ft);
334 
335     *time = ((ULONGLONG)ft.dwHighDateTime << 32) | ft.dwLowDateTime;
336     *time += TICKS_15_OCT_1582_TO_1601;
337 }
338 
339 /* Assume that a hardware address is at least 6 bytes long */
340 #define ADDRESS_BYTES_NEEDED 6
341 
342 static RPC_STATUS RPC_UuidGetNodeAddress(BYTE *address)
343 {
344     int i;
345     DWORD status = RPC_S_OK;
346 
347     ULONG buflen = sizeof(IP_ADAPTER_INFO);
348     PIP_ADAPTER_INFO adapter = HeapAlloc(GetProcessHeap(), 0, buflen);
349 
350     if (GetAdaptersInfo(adapter, &buflen) == ERROR_BUFFER_OVERFLOW) {
351         HeapFree(GetProcessHeap(), 0, adapter);
352         adapter = HeapAlloc(GetProcessHeap(), 0, buflen);
353     }
354 
355     if (GetAdaptersInfo(adapter, &buflen) == NO_ERROR) {
356         for (i = 0; i < ADDRESS_BYTES_NEEDED; i++) {
357             address[i] = adapter->Address[i];
358         }
359     }
360     /* We can't get a hardware address, just use random numbers.
361        Set the multicast bit to prevent conflicts with real cards. */
362     else {
363         RtlGenRandom(address, ADDRESS_BYTES_NEEDED);
364         address[0] |= 0x01;
365         status = RPC_S_UUID_LOCAL_ONLY;
366     }
367 
368     HeapFree(GetProcessHeap(), 0, adapter);
369     return status;
370 }
371 
372 /*************************************************************************
373  *           UuidCreateSequential   [RPCRT4.@]
374  *
375  * Creates a 128bit UUID.
376  *
377  * RETURNS
378  *
379  *  RPC_S_OK if successful.
380  *  RPC_S_UUID_LOCAL_ONLY if UUID is only locally unique.
381  *
382  *  FIXME: No compensation for changes across reloading
383  *         this dll or across reboots (e.g. clock going
384  *         backwards and swapped network cards). The RFC
385  *         suggests using NVRAM for storing persistent
386  *         values.
387  */
388 RPC_STATUS WINAPI UuidCreateSequential(UUID *Uuid)
389 {
390     static BOOL initialised;
391     static int count;
392 
393     ULONGLONG time;
394     static ULONGLONG timelast;
395     static WORD sequence;
396 
397     static DWORD status;
398     static BYTE address[MAX_ADAPTER_ADDRESS_LENGTH];
399 
400     EnterCriticalSection(&uuid_cs);
401 
402     if (!initialised) {
403         RPC_UuidGetSystemTime(&timelast);
404         count = TICKS_PER_CLOCK_TICK;
405 
406         sequence = ((rand() & 0xff) << 8) + (rand() & 0xff);
407         sequence &= 0x1fff;
408 
409         status = RPC_UuidGetNodeAddress(address);
410         initialised = TRUE;
411     }
412 
413     /* Generate time element of the UUID. Account for going faster
414        than our clock as well as the clock going backwards. */
415     while (1) {
416         RPC_UuidGetSystemTime(&time);
417         if (time > timelast) {
418             count = 0;
419             break;
420         }
421         if (time < timelast) {
422             sequence = (sequence + 1) & 0x1fff;
423             count = 0;
424             break;
425         }
426         if (count < TICKS_PER_CLOCK_TICK) {
427             count++;
428             break;
429         }
430     }
431 
432     timelast = time;
433     time += count;
434 
435     /* Pack the information into the UUID structure. */
436 
437     Uuid->Data1  = (ULONG)(time & 0xffffffff);
438     Uuid->Data2  = (unsigned short)((time >> 32) & 0xffff);
439     Uuid->Data3  = (unsigned short)((time >> 48) & 0x0fff);
440 
441     /* This is a version 1 UUID */
442     Uuid->Data3 |= (1 << 12);
443 
444     Uuid->Data4[0]  = sequence & 0xff;
445     Uuid->Data4[1]  = (sequence & 0x3f00) >> 8;
446     Uuid->Data4[1] |= 0x80;
447     memcpy(&Uuid->Data4[2], address, ADDRESS_BYTES_NEEDED);
448 
449     LeaveCriticalSection(&uuid_cs);
450 
451     TRACE("%s\n", debugstr_guid(Uuid));
452 
453     return status;
454 }
455 
456 /*************************************************************************
457  *           I_UuidCreate   [RPCRT4.@]
458  *
459  * See UuidCreateSequential()
460  */
461 RPC_STATUS WINAPI I_UuidCreate(UUID *Uuid)
462 {
463     return UuidCreateSequential(Uuid);
464 }
465 
466 /*************************************************************************
467  *           UuidHash   [RPCRT4.@]
468  *
469  * Generates a hash value for a given UUID
470  *
471  * Code based on FreeDCE implementation
472  *
473  */
474 unsigned short WINAPI UuidHash(UUID *uuid, RPC_STATUS *Status)
475 {
476   BYTE *data = (BYTE*)uuid;
477   short c0 = 0, c1 = 0, x, y;
478   unsigned int i;
479 
480   if (!uuid) data = (BYTE*)(uuid = &uuid_nil);
481 
482   TRACE("(%s)\n", debugstr_guid(uuid));
483 
484   for (i=0; i<sizeof(UUID); i++) {
485     c0 += data[i];
486     c1 += c0;
487   }
488 
489   x = -c1 % 255;
490   if (x < 0) x += 255;
491 
492   y = (c1 - c0) % 255;
493   if (y < 0) y += 255;
494 
495   *Status = RPC_S_OK;
496   return y*256 + x;
497 }
498 
499 /*************************************************************************
500  *           UuidToStringA   [RPCRT4.@]
501  *
502  * Converts a UUID to a string.
503  *
504  * UUID format is 8 hex digits, followed by a hyphen then three groups of
505  * 4 hex digits each followed by a hyphen and then 12 hex digits
506  *
507  * RETURNS
508  *
509  *  S_OK if successful.
510  *  S_OUT_OF_MEMORY if unsuccessful.
511  */
512 RPC_STATUS WINAPI UuidToStringA(UUID *Uuid, RPC_CSTR* StringUuid)
513 {
514   *StringUuid = HeapAlloc( GetProcessHeap(), 0, sizeof(char) * 37);
515 
516   if(!(*StringUuid))
517     return RPC_S_OUT_OF_MEMORY;
518 
519   if (!Uuid) Uuid = &uuid_nil;
520 
521   sprintf( (char*)*StringUuid, "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
522                  Uuid->Data1, Uuid->Data2, Uuid->Data3,
523                  Uuid->Data4[0], Uuid->Data4[1], Uuid->Data4[2],
524                  Uuid->Data4[3], Uuid->Data4[4], Uuid->Data4[5],
525                  Uuid->Data4[6], Uuid->Data4[7] );
526 
527   return RPC_S_OK;
528 }
529 
530 /*************************************************************************
531  *           UuidToStringW   [RPCRT4.@]
532  *
533  * Converts a UUID to a string.
534  *
535  *  S_OK if successful.
536  *  S_OUT_OF_MEMORY if unsuccessful.
537  */
538 RPC_STATUS WINAPI UuidToStringW(UUID *Uuid, RPC_WSTR* StringUuid)
539 {
540   char buf[37];
541 
542   if (!Uuid) Uuid = &uuid_nil;
543 
544   sprintf(buf, "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
545                Uuid->Data1, Uuid->Data2, Uuid->Data3,
546                Uuid->Data4[0], Uuid->Data4[1], Uuid->Data4[2],
547                Uuid->Data4[3], Uuid->Data4[4], Uuid->Data4[5],
548                Uuid->Data4[6], Uuid->Data4[7] );
549 
550   *StringUuid = RPCRT4_strdupAtoW(buf);
551 
552   if(!(*StringUuid))
553     return RPC_S_OUT_OF_MEMORY;
554 
555   return RPC_S_OK;
556 }
557 
558 static const BYTE hex2bin[] =
559 {
560     0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,        /* 0x00 */
561     0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,        /* 0x10 */
562     0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,        /* 0x20 */
563     0,1,2,3,4,5,6,7,8,9,0,0,0,0,0,0,        /* 0x30 */
564     0,10,11,12,13,14,15,0,0,0,0,0,0,0,0,0,  /* 0x40 */
565     0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,        /* 0x50 */
566     0,10,11,12,13,14,15                     /* 0x60 */
567 };
568 
569 /***********************************************************************
570  *		UuidFromStringA (RPCRT4.@)
571  */
572 RPC_STATUS WINAPI UuidFromStringA(RPC_CSTR s, UUID *uuid)
573 {
574     int i;
575 
576     if (!s) return UuidCreateNil( uuid );
577 
578     if (strlen((char*)s) != 36) return RPC_S_INVALID_STRING_UUID;
579 
580     if ((s[8]!='-') || (s[13]!='-') || (s[18]!='-') || (s[23]!='-'))
581         return RPC_S_INVALID_STRING_UUID;
582 
583     for (i=0; i<36; i++)
584     {
585         if ((i == 8)||(i == 13)||(i == 18)||(i == 23)) continue;
586         if (s[i] > 'f' || (!hex2bin[s[i]] && s[i] != '0')) return RPC_S_INVALID_STRING_UUID;
587     }
588 
589     /* in form XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX */
590 
591     uuid->Data1 = (hex2bin[s[0]] << 28 | hex2bin[s[1]] << 24 | hex2bin[s[2]] << 20 | hex2bin[s[3]] << 16 |
592                    hex2bin[s[4]] << 12 | hex2bin[s[5]]  << 8 | hex2bin[s[6]]  << 4 | hex2bin[s[7]]);
593     uuid->Data2 =  hex2bin[s[9]] << 12 | hex2bin[s[10]] << 8 | hex2bin[s[11]] << 4 | hex2bin[s[12]];
594     uuid->Data3 = hex2bin[s[14]] << 12 | hex2bin[s[15]] << 8 | hex2bin[s[16]] << 4 | hex2bin[s[17]];
595 
596     /* these are just sequential bytes */
597     uuid->Data4[0] = hex2bin[s[19]] << 4 | hex2bin[s[20]];
598     uuid->Data4[1] = hex2bin[s[21]] << 4 | hex2bin[s[22]];
599     uuid->Data4[2] = hex2bin[s[24]] << 4 | hex2bin[s[25]];
600     uuid->Data4[3] = hex2bin[s[26]] << 4 | hex2bin[s[27]];
601     uuid->Data4[4] = hex2bin[s[28]] << 4 | hex2bin[s[29]];
602     uuid->Data4[5] = hex2bin[s[30]] << 4 | hex2bin[s[31]];
603     uuid->Data4[6] = hex2bin[s[32]] << 4 | hex2bin[s[33]];
604     uuid->Data4[7] = hex2bin[s[34]] << 4 | hex2bin[s[35]];
605     return RPC_S_OK;
606 }
607 
608 
609 /***********************************************************************
610  *		UuidFromStringW (RPCRT4.@)
611  */
612 RPC_STATUS WINAPI UuidFromStringW(RPC_WSTR s, UUID *uuid)
613 {
614     int i;
615 
616     if (!s) return UuidCreateNil( uuid );
617 
618     if (lstrlenW(s) != 36) return RPC_S_INVALID_STRING_UUID;
619 
620     if ((s[8]!='-') || (s[13]!='-') || (s[18]!='-') || (s[23]!='-'))
621         return RPC_S_INVALID_STRING_UUID;
622 
623     for (i=0; i<36; i++)
624     {
625         if ((i == 8)||(i == 13)||(i == 18)||(i == 23)) continue;
626         if (s[i] > 'f' || (!hex2bin[s[i]] && s[i] != '0')) return RPC_S_INVALID_STRING_UUID;
627     }
628 
629     /* in form XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX */
630 
631     uuid->Data1 = (hex2bin[s[0]] << 28 | hex2bin[s[1]] << 24 | hex2bin[s[2]] << 20 | hex2bin[s[3]] << 16 |
632                    hex2bin[s[4]] << 12 | hex2bin[s[5]]  << 8 | hex2bin[s[6]]  << 4 | hex2bin[s[7]]);
633     uuid->Data2 =  hex2bin[s[9]] << 12 | hex2bin[s[10]] << 8 | hex2bin[s[11]] << 4 | hex2bin[s[12]];
634     uuid->Data3 = hex2bin[s[14]] << 12 | hex2bin[s[15]] << 8 | hex2bin[s[16]] << 4 | hex2bin[s[17]];
635 
636     /* these are just sequential bytes */
637     uuid->Data4[0] = hex2bin[s[19]] << 4 | hex2bin[s[20]];
638     uuid->Data4[1] = hex2bin[s[21]] << 4 | hex2bin[s[22]];
639     uuid->Data4[2] = hex2bin[s[24]] << 4 | hex2bin[s[25]];
640     uuid->Data4[3] = hex2bin[s[26]] << 4 | hex2bin[s[27]];
641     uuid->Data4[4] = hex2bin[s[28]] << 4 | hex2bin[s[29]];
642     uuid->Data4[5] = hex2bin[s[30]] << 4 | hex2bin[s[31]];
643     uuid->Data4[6] = hex2bin[s[32]] << 4 | hex2bin[s[33]];
644     uuid->Data4[7] = hex2bin[s[34]] << 4 | hex2bin[s[35]];
645     return RPC_S_OK;
646 }
647 
648 /***********************************************************************
649  *              DllRegisterServer (RPCRT4.@)
650  */
651 
652 HRESULT WINAPI DllRegisterServer( void )
653 {
654     FIXME( "(): stub\n" );
655     return S_OK;
656 }
657 
658 #define MAX_RPC_ERROR_TEXT 256
659 
660 /******************************************************************************
661  * DceErrorInqTextW   (rpcrt4.@)
662  *
663  * Notes
664  * 1. On passing a NULL pointer the code does bomb out.
665  * 2. The size of the required buffer is not defined in the documentation.
666  *    It appears to be 256.
667  * 3. The function is defined to return RPC_S_INVALID_ARG but I don't know
668  *    of any value for which it does.
669  * 4. The MSDN documentation currently declares that the second argument is
670  *    unsigned char *, even for the W version.  I don't believe it.
671  */
672 RPC_STATUS RPC_ENTRY DceErrorInqTextW (RPC_STATUS e, RPC_WSTR buffer)
673 {
674     DWORD count;
675     count = FormatMessageW (FORMAT_MESSAGE_FROM_SYSTEM |
676                 FORMAT_MESSAGE_IGNORE_INSERTS,
677                 NULL, e, 0, buffer, MAX_RPC_ERROR_TEXT, NULL);
678     if (!count)
679     {
680         count = FormatMessageW (FORMAT_MESSAGE_FROM_SYSTEM |
681                 FORMAT_MESSAGE_IGNORE_INSERTS,
682                 NULL, RPC_S_NOT_RPC_ERROR, 0, buffer, MAX_RPC_ERROR_TEXT, NULL);
683         if (!count)
684         {
685             ERR ("Failed to translate error\n");
686             return RPC_S_INVALID_ARG;
687         }
688     }
689     return RPC_S_OK;
690 }
691 
692 /******************************************************************************
693  * DceErrorInqTextA   (rpcrt4.@)
694  */
695 RPC_STATUS RPC_ENTRY DceErrorInqTextA (RPC_STATUS e, RPC_CSTR buffer)
696 {
697     RPC_STATUS status;
698     WCHAR bufferW [MAX_RPC_ERROR_TEXT];
699     if ((status = DceErrorInqTextW (e, bufferW)) == RPC_S_OK)
700     {
701         if (!WideCharToMultiByte(CP_ACP, 0, bufferW, -1, (LPSTR)buffer, MAX_RPC_ERROR_TEXT,
702                 NULL, NULL))
703         {
704             ERR ("Failed to translate error\n");
705             status = RPC_S_INVALID_ARG;
706         }
707     }
708     return status;
709 }
710 
711 /******************************************************************************
712  * I_RpcAllocate   (rpcrt4.@)
713  */
714 void * WINAPI I_RpcAllocate(unsigned int Size)
715 {
716     return HeapAlloc(GetProcessHeap(), 0, Size);
717 }
718 
719 /******************************************************************************
720  * I_RpcFree   (rpcrt4.@)
721  */
722 void WINAPI I_RpcFree(void *Object)
723 {
724     HeapFree(GetProcessHeap(), 0, Object);
725 }
726 
727 /******************************************************************************
728  * I_RpcMapWin32Status   (rpcrt4.@)
729  *
730  * Maps Win32 RPC error codes to NT statuses.
731  *
732  * PARAMS
733  *  status [I] Win32 RPC error code.
734  *
735  * RETURNS
736  *  Appropriate translation into an NT status code.
737  */
738 LONG WINAPI I_RpcMapWin32Status(RPC_STATUS status)
739 {
740     TRACE("(%d)\n", status);
741     switch (status)
742     {
743     case ERROR_ACCESS_DENIED: return STATUS_ACCESS_DENIED;
744     case ERROR_INVALID_HANDLE: return RPC_NT_SS_CONTEXT_MISMATCH;
745     case ERROR_OUTOFMEMORY: return STATUS_NO_MEMORY;
746     case ERROR_INVALID_PARAMETER: return STATUS_INVALID_PARAMETER;
747     case ERROR_INSUFFICIENT_BUFFER: return STATUS_BUFFER_TOO_SMALL;
748     case ERROR_MAX_THRDS_REACHED: return STATUS_NO_MEMORY;
749     case ERROR_NOACCESS: return STATUS_ACCESS_VIOLATION;
750     case ERROR_NOT_ENOUGH_SERVER_MEMORY: return STATUS_INSUFF_SERVER_RESOURCES;
751     case ERROR_WRONG_PASSWORD: return STATUS_WRONG_PASSWORD;
752     case ERROR_INVALID_LOGON_HOURS: return STATUS_INVALID_LOGON_HOURS;
753     case ERROR_PASSWORD_EXPIRED: return STATUS_PASSWORD_EXPIRED;
754     case ERROR_ACCOUNT_DISABLED: return STATUS_ACCOUNT_DISABLED;
755     case ERROR_INVALID_SECURITY_DESCR: return STATUS_INVALID_SECURITY_DESCR;
756     case RPC_S_INVALID_STRING_BINDING: return RPC_NT_INVALID_STRING_BINDING;
757     case RPC_S_WRONG_KIND_OF_BINDING: return RPC_NT_WRONG_KIND_OF_BINDING;
758     case RPC_S_INVALID_BINDING: return RPC_NT_INVALID_BINDING;
759     case RPC_S_PROTSEQ_NOT_SUPPORTED: return RPC_NT_PROTSEQ_NOT_SUPPORTED;
760     case RPC_S_INVALID_RPC_PROTSEQ: return RPC_NT_INVALID_RPC_PROTSEQ;
761     case RPC_S_INVALID_STRING_UUID: return RPC_NT_INVALID_STRING_UUID;
762     case RPC_S_INVALID_ENDPOINT_FORMAT: return RPC_NT_INVALID_ENDPOINT_FORMAT;
763     case RPC_S_INVALID_NET_ADDR: return RPC_NT_INVALID_NET_ADDR;
764     case RPC_S_NO_ENDPOINT_FOUND: return RPC_NT_NO_ENDPOINT_FOUND;
765     case RPC_S_INVALID_TIMEOUT: return RPC_NT_INVALID_TIMEOUT;
766     case RPC_S_OBJECT_NOT_FOUND: return RPC_NT_OBJECT_NOT_FOUND;
767     case RPC_S_ALREADY_REGISTERED: return RPC_NT_ALREADY_REGISTERED;
768     case RPC_S_TYPE_ALREADY_REGISTERED: return RPC_NT_TYPE_ALREADY_REGISTERED;
769     case RPC_S_ALREADY_LISTENING: return RPC_NT_ALREADY_LISTENING;
770     case RPC_S_NO_PROTSEQS_REGISTERED: return RPC_NT_NO_PROTSEQS_REGISTERED;
771     case RPC_S_NOT_LISTENING: return RPC_NT_NOT_LISTENING;
772     case RPC_S_UNKNOWN_MGR_TYPE: return RPC_NT_UNKNOWN_MGR_TYPE;
773     case RPC_S_UNKNOWN_IF: return RPC_NT_UNKNOWN_IF;
774     case RPC_S_NO_BINDINGS: return RPC_NT_NO_BINDINGS;
775     case RPC_S_NO_PROTSEQS: return RPC_NT_NO_PROTSEQS;
776     case RPC_S_CANT_CREATE_ENDPOINT: return RPC_NT_CANT_CREATE_ENDPOINT;
777     case RPC_S_OUT_OF_RESOURCES: return RPC_NT_OUT_OF_RESOURCES;
778     case RPC_S_SERVER_UNAVAILABLE: return RPC_NT_SERVER_UNAVAILABLE;
779     case RPC_S_SERVER_TOO_BUSY: return RPC_NT_SERVER_TOO_BUSY;
780     case RPC_S_INVALID_NETWORK_OPTIONS: return RPC_NT_INVALID_NETWORK_OPTIONS;
781     case RPC_S_NO_CALL_ACTIVE: return RPC_NT_NO_CALL_ACTIVE;
782     case RPC_S_CALL_FAILED: return RPC_NT_CALL_FAILED;
783     case RPC_S_CALL_FAILED_DNE: return RPC_NT_CALL_FAILED_DNE;
784     case RPC_S_PROTOCOL_ERROR: return RPC_NT_PROTOCOL_ERROR;
785     case RPC_S_UNSUPPORTED_TRANS_SYN: return RPC_NT_UNSUPPORTED_TRANS_SYN;
786     case RPC_S_UNSUPPORTED_TYPE: return RPC_NT_UNSUPPORTED_TYPE;
787     case RPC_S_INVALID_TAG: return RPC_NT_INVALID_TAG;
788     case RPC_S_INVALID_BOUND: return RPC_NT_INVALID_BOUND;
789     case RPC_S_NO_ENTRY_NAME: return RPC_NT_NO_ENTRY_NAME;
790     case RPC_S_INVALID_NAME_SYNTAX: return RPC_NT_INVALID_NAME_SYNTAX;
791     case RPC_S_UNSUPPORTED_NAME_SYNTAX: return RPC_NT_UNSUPPORTED_NAME_SYNTAX;
792     case RPC_S_UUID_NO_ADDRESS: return RPC_NT_UUID_NO_ADDRESS;
793     case RPC_S_DUPLICATE_ENDPOINT: return RPC_NT_DUPLICATE_ENDPOINT;
794     case RPC_S_UNKNOWN_AUTHN_TYPE: return RPC_NT_UNKNOWN_AUTHN_TYPE;
795     case RPC_S_MAX_CALLS_TOO_SMALL: return RPC_NT_MAX_CALLS_TOO_SMALL;
796     case RPC_S_STRING_TOO_LONG: return RPC_NT_STRING_TOO_LONG;
797     case RPC_S_PROTSEQ_NOT_FOUND: return RPC_NT_PROTSEQ_NOT_FOUND;
798     case RPC_S_PROCNUM_OUT_OF_RANGE: return RPC_NT_PROCNUM_OUT_OF_RANGE;
799     case RPC_S_BINDING_HAS_NO_AUTH: return RPC_NT_BINDING_HAS_NO_AUTH;
800     case RPC_S_UNKNOWN_AUTHN_SERVICE: return RPC_NT_UNKNOWN_AUTHN_SERVICE;
801     case RPC_S_UNKNOWN_AUTHN_LEVEL: return RPC_NT_UNKNOWN_AUTHN_LEVEL;
802     case RPC_S_INVALID_AUTH_IDENTITY: return RPC_NT_INVALID_AUTH_IDENTITY;
803     case RPC_S_UNKNOWN_AUTHZ_SERVICE: return RPC_NT_UNKNOWN_AUTHZ_SERVICE;
804     case EPT_S_INVALID_ENTRY: return EPT_NT_INVALID_ENTRY;
805     case EPT_S_CANT_PERFORM_OP: return EPT_NT_CANT_PERFORM_OP;
806     case EPT_S_NOT_REGISTERED: return EPT_NT_NOT_REGISTERED;
807     case EPT_S_CANT_CREATE: return EPT_NT_CANT_CREATE;
808     case RPC_S_NOTHING_TO_EXPORT: return RPC_NT_NOTHING_TO_EXPORT;
809     case RPC_S_INCOMPLETE_NAME: return RPC_NT_INCOMPLETE_NAME;
810     case RPC_S_INVALID_VERS_OPTION: return RPC_NT_INVALID_VERS_OPTION;
811     case RPC_S_NO_MORE_MEMBERS: return RPC_NT_NO_MORE_MEMBERS;
812     case RPC_S_NOT_ALL_OBJS_UNEXPORTED: return RPC_NT_NOT_ALL_OBJS_UNEXPORTED;
813     case RPC_S_INTERFACE_NOT_FOUND: return RPC_NT_INTERFACE_NOT_FOUND;
814     case RPC_S_ENTRY_ALREADY_EXISTS: return RPC_NT_ENTRY_ALREADY_EXISTS;
815     case RPC_S_ENTRY_NOT_FOUND: return RPC_NT_ENTRY_NOT_FOUND;
816     case RPC_S_NAME_SERVICE_UNAVAILABLE: return RPC_NT_NAME_SERVICE_UNAVAILABLE;
817     case RPC_S_INVALID_NAF_ID: return RPC_NT_INVALID_NAF_ID;
818     case RPC_S_CANNOT_SUPPORT: return RPC_NT_CANNOT_SUPPORT;
819     case RPC_S_NO_CONTEXT_AVAILABLE: return RPC_NT_NO_CONTEXT_AVAILABLE;
820     case RPC_S_INTERNAL_ERROR: return RPC_NT_INTERNAL_ERROR;
821     case RPC_S_ZERO_DIVIDE: return RPC_NT_ZERO_DIVIDE;
822     case RPC_S_ADDRESS_ERROR: return RPC_NT_ADDRESS_ERROR;
823     case RPC_S_FP_DIV_ZERO: return RPC_NT_FP_DIV_ZERO;
824     case RPC_S_FP_UNDERFLOW: return RPC_NT_FP_UNDERFLOW;
825     case RPC_S_FP_OVERFLOW: return RPC_NT_FP_OVERFLOW;
826     case RPC_S_CALL_IN_PROGRESS: return RPC_NT_CALL_IN_PROGRESS;
827     case RPC_S_NO_MORE_BINDINGS: return RPC_NT_NO_MORE_BINDINGS;
828     case RPC_S_CALL_CANCELLED: return RPC_NT_CALL_CANCELLED;
829     case RPC_S_INVALID_OBJECT: return RPC_NT_INVALID_OBJECT;
830     case RPC_S_INVALID_ASYNC_HANDLE: return RPC_NT_INVALID_ASYNC_HANDLE;
831     case RPC_S_INVALID_ASYNC_CALL: return RPC_NT_INVALID_ASYNC_CALL;
832     case RPC_S_GROUP_MEMBER_NOT_FOUND: return RPC_NT_GROUP_MEMBER_NOT_FOUND;
833     case RPC_X_NO_MORE_ENTRIES: return RPC_NT_NO_MORE_ENTRIES;
834     case RPC_X_SS_CHAR_TRANS_OPEN_FAIL: return RPC_NT_SS_CHAR_TRANS_OPEN_FAIL;
835     case RPC_X_SS_CHAR_TRANS_SHORT_FILE: return RPC_NT_SS_CHAR_TRANS_SHORT_FILE;
836     case RPC_X_SS_IN_NULL_CONTEXT: return RPC_NT_SS_IN_NULL_CONTEXT;
837     case RPC_X_SS_CONTEXT_DAMAGED: return RPC_NT_SS_CONTEXT_DAMAGED;
838     case RPC_X_SS_HANDLES_MISMATCH: return RPC_NT_SS_HANDLES_MISMATCH;
839     case RPC_X_SS_CANNOT_GET_CALL_HANDLE: return RPC_NT_SS_CANNOT_GET_CALL_HANDLE;
840     case RPC_X_NULL_REF_POINTER: return RPC_NT_NULL_REF_POINTER;
841     case RPC_X_ENUM_VALUE_OUT_OF_RANGE: return RPC_NT_ENUM_VALUE_OUT_OF_RANGE;
842     case RPC_X_BYTE_COUNT_TOO_SMALL: return RPC_NT_BYTE_COUNT_TOO_SMALL;
843     case RPC_X_BAD_STUB_DATA: return RPC_NT_BAD_STUB_DATA;
844     case RPC_X_PIPE_CLOSED: return RPC_NT_PIPE_CLOSED;
845     case RPC_X_PIPE_DISCIPLINE_ERROR: return RPC_NT_PIPE_DISCIPLINE_ERROR;
846     case RPC_X_PIPE_EMPTY: return RPC_NT_PIPE_EMPTY;
847     case ERROR_PASSWORD_MUST_CHANGE: return STATUS_PASSWORD_MUST_CHANGE;
848     case ERROR_ACCOUNT_LOCKED_OUT: return STATUS_ACCOUNT_LOCKED_OUT;
849     default: return status;
850     }
851 }
852 
853 /******************************************************************************
854  * RpcExceptionFilter     (rpcrt4.@)
855  * I_RpcExceptionFilter   (rpcrt4.@)
856  */
857 int WINAPI RpcExceptionFilter(ULONG ExceptionCode)
858 {
859     TRACE("0x%x\n", ExceptionCode);
860     switch (ExceptionCode)
861     {
862     case STATUS_DATATYPE_MISALIGNMENT:
863     case STATUS_BREAKPOINT:
864     case STATUS_ACCESS_VIOLATION:
865     case STATUS_ILLEGAL_INSTRUCTION:
866     case STATUS_PRIVILEGED_INSTRUCTION:
867     case STATUS_INSTRUCTION_MISALIGNMENT:
868     case STATUS_STACK_OVERFLOW:
869     case STATUS_POSSIBLE_DEADLOCK:
870         return EXCEPTION_CONTINUE_SEARCH;
871     default:
872         return EXCEPTION_EXECUTE_HANDLER;
873     }
874 }
875 
876 /******************************************************************************
877  * RpcErrorStartEnumeration   (rpcrt4.@)
878  */
879 RPC_STATUS RPC_ENTRY RpcErrorStartEnumeration(RPC_ERROR_ENUM_HANDLE* EnumHandle)
880 {
881     FIXME("(%p): stub\n", EnumHandle);
882     return RPC_S_ENTRY_NOT_FOUND;
883 }
884 
885 /******************************************************************************
886  * RpcErrorEndEnumeration   (rpcrt4.@)
887  */
888 RPC_STATUS RPC_ENTRY RpcErrorEndEnumeration(RPC_ERROR_ENUM_HANDLE* EnumHandle)
889 {
890     FIXME("(%p): stub\n", EnumHandle);
891     return RPC_S_OK;
892 }
893 
894 /******************************************************************************
895  * RpcErrorSaveErrorInfo   (rpcrt4.@)
896  */
897 RPC_STATUS RPC_ENTRY RpcErrorSaveErrorInfo(RPC_ERROR_ENUM_HANDLE *EnumHandle, void **ErrorBlob, SIZE_T *BlobSize)
898 {
899     FIXME("(%p %p %p): stub\n", EnumHandle, ErrorBlob, BlobSize);
900     return ERROR_CALL_NOT_IMPLEMENTED;
901 }
902 
903 /******************************************************************************
904  * RpcErrorLoadErrorInfo   (rpcrt4.@)
905  */
906 RPC_STATUS RPC_ENTRY RpcErrorLoadErrorInfo(void *ErrorBlob, SIZE_T BlobSize, RPC_ERROR_ENUM_HANDLE *EnumHandle)
907 {
908     FIXME("(%p %lu %p): stub\n", ErrorBlob, BlobSize, EnumHandle);
909     return ERROR_CALL_NOT_IMPLEMENTED;
910 }
911 
912 /******************************************************************************
913  * RpcErrorGetNextRecord   (rpcrt4.@)
914  */
915 RPC_STATUS RPC_ENTRY RpcErrorGetNextRecord(RPC_ERROR_ENUM_HANDLE *EnumHandle, BOOL CopyStrings, RPC_EXTENDED_ERROR_INFO *ErrorInfo)
916 {
917     FIXME("(%p %x %p): stub\n", EnumHandle, CopyStrings, ErrorInfo);
918     return RPC_S_ENTRY_NOT_FOUND;
919 }
920 
921 /******************************************************************************
922  * RpcMgmtSetCancelTimeout   (rpcrt4.@)
923  */
924 RPC_STATUS RPC_ENTRY RpcMgmtSetCancelTimeout(LONG Timeout)
925 {
926     FIXME("(%d): stub\n", Timeout);
927     return RPC_S_OK;
928 }
929 
930 static struct threaddata *get_or_create_threaddata(void)
931 {
932     struct threaddata *tdata = NtCurrentTeb()->ReservedForNtRpc;
933     if (!tdata)
934     {
935         tdata = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*tdata));
936         if (!tdata) return NULL;
937 
938         InitializeCriticalSection(&tdata->cs);
939         tdata->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": threaddata.cs");
940         tdata->thread_id = GetCurrentThreadId();
941 
942         EnterCriticalSection(&threaddata_cs);
943         list_add_tail(&threaddata_list, &tdata->entry);
944         LeaveCriticalSection(&threaddata_cs);
945 
946         NtCurrentTeb()->ReservedForNtRpc = tdata;
947         return tdata;
948     }
949     return tdata;
950 }
951 
952 void RPCRT4_SetThreadCurrentConnection(RpcConnection *Connection)
953 {
954     struct threaddata *tdata = get_or_create_threaddata();
955     if (!tdata) return;
956 
957     EnterCriticalSection(&tdata->cs);
958     tdata->connection = Connection;
959     LeaveCriticalSection(&tdata->cs);
960 }
961 
962 void RPCRT4_SetThreadCurrentCallHandle(RpcBinding *Binding)
963 {
964     struct threaddata *tdata = get_or_create_threaddata();
965     if (!tdata) return;
966 
967     tdata->server_binding = Binding;
968 }
969 
970 RpcBinding *RPCRT4_GetThreadCurrentCallHandle(void)
971 {
972     struct threaddata *tdata = get_or_create_threaddata();
973     if (!tdata) return NULL;
974 
975     return tdata->server_binding;
976 }
977 
978 void RPCRT4_PushThreadContextHandle(NDR_SCONTEXT SContext)
979 {
980     struct threaddata *tdata = get_or_create_threaddata();
981     struct context_handle_list *context_handle_list;
982 
983     if (!tdata) return;
984 
985     context_handle_list = HeapAlloc(GetProcessHeap(), 0, sizeof(*context_handle_list));
986     if (!context_handle_list) return;
987 
988     context_handle_list->context_handle = SContext;
989     context_handle_list->next = tdata->context_handle_list;
990     tdata->context_handle_list = context_handle_list;
991 }
992 
993 void RPCRT4_RemoveThreadContextHandle(NDR_SCONTEXT SContext)
994 {
995     struct threaddata *tdata = get_or_create_threaddata();
996     struct context_handle_list *current, *prev;
997 
998     if (!tdata) return;
999 
1000     for (current = tdata->context_handle_list, prev = NULL; current; prev = current, current = current->next)
1001     {
1002         if (current->context_handle == SContext)
1003         {
1004             if (prev)
1005                 prev->next = current->next;
1006             else
1007                 tdata->context_handle_list = current->next;
1008             HeapFree(GetProcessHeap(), 0, current);
1009             return;
1010         }
1011     }
1012 }
1013 
1014 NDR_SCONTEXT RPCRT4_PopThreadContextHandle(void)
1015 {
1016     struct threaddata *tdata = get_or_create_threaddata();
1017     struct context_handle_list *context_handle_list;
1018     NDR_SCONTEXT context_handle;
1019 
1020     if (!tdata) return NULL;
1021 
1022     context_handle_list = tdata->context_handle_list;
1023     if (!context_handle_list) return NULL;
1024     tdata->context_handle_list = context_handle_list->next;
1025 
1026     context_handle = context_handle_list->context_handle;
1027     HeapFree(GetProcessHeap(), 0, context_handle_list);
1028     return context_handle;
1029 }
1030 
1031 static RPC_STATUS rpc_cancel_thread(DWORD target_tid)
1032 {
1033     struct threaddata *tdata;
1034 
1035     EnterCriticalSection(&threaddata_cs);
1036     LIST_FOR_EACH_ENTRY(tdata, &threaddata_list, struct threaddata, entry)
1037         if (tdata->thread_id == target_tid)
1038         {
1039             EnterCriticalSection(&tdata->cs);
1040             if (tdata->connection) rpcrt4_conn_cancel_call(tdata->connection);
1041             LeaveCriticalSection(&tdata->cs);
1042             break;
1043         }
1044     LeaveCriticalSection(&threaddata_cs);
1045 
1046     return RPC_S_OK;
1047 }
1048 
1049 /******************************************************************************
1050  * RpcCancelThread   (rpcrt4.@)
1051  */
1052 RPC_STATUS RPC_ENTRY RpcCancelThread(void* ThreadHandle)
1053 {
1054     TRACE("(%p)\n", ThreadHandle);
1055     return RpcCancelThreadEx(ThreadHandle, 0);
1056 }
1057 
1058 /******************************************************************************
1059  * RpcCancelThreadEx   (rpcrt4.@)
1060  */
1061 RPC_STATUS RPC_ENTRY RpcCancelThreadEx(void* ThreadHandle, LONG Timeout)
1062 {
1063     DWORD target_tid;
1064 
1065     FIXME("(%p, %d)\n", ThreadHandle, Timeout);
1066 
1067     target_tid = GetThreadId(ThreadHandle);
1068     if (!target_tid)
1069         return RPC_S_INVALID_ARG;
1070 
1071     if (Timeout)
1072     {
1073         FIXME("(%p, %d)\n", ThreadHandle, Timeout);
1074         return RPC_S_OK;
1075     }
1076     else
1077         return rpc_cancel_thread(target_tid);
1078 }
1079