user32: Fix a pointer cast warning.
[wine] / 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 }