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msvcp100: Fixed 64-bit variables alignment.
[wine/multimedia.git] / dlls / rpcrt4 / rpc_transport.c
blob686ce687c4a49073fde86a6cb7cb60cad33c968b
1 /*
2 * RPC transport layer
3 *
4 * Copyright 2001 Ove Kåven, TransGaming Technologies
5 * Copyright 2003 Mike Hearn
6 * Copyright 2004 Filip Navara
7 * Copyright 2006 Mike McCormack
8 * Copyright 2006 Damjan Jovanovic
9 *
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
14 *
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 *
24 */
25
26 #include "config.h"
27
28 #include <stdarg.h>
29 #include <stdio.h>
30 #include <string.h>
31 #include <assert.h>
32 #include <stdlib.h>
33 #include <sys/types.h>
34
35 #if defined(__MINGW32__) || defined (_MSC_VER)
36 # include <ws2tcpip.h>
37 # ifndef EADDRINUSE
38 # define EADDRINUSE WSAEADDRINUSE
39 # endif
40 # ifndef EAGAIN
41 # define EAGAIN WSAEWOULDBLOCK
42 # endif
43 # undef errno
44 # define errno WSAGetLastError()
45 #else
46 # include <errno.h>
47 # ifdef HAVE_UNISTD_H
48 # include <unistd.h>
49 # endif
50 # include <fcntl.h>
51 # ifdef HAVE_SYS_SOCKET_H
52 # include <sys/socket.h>
53 # endif
54 # ifdef HAVE_NETINET_IN_H
55 # include <netinet/in.h>
56 # endif
57 # ifdef HAVE_NETINET_TCP_H
58 # include <netinet/tcp.h>
59 # endif
60 # ifdef HAVE_ARPA_INET_H
61 # include <arpa/inet.h>
62 # endif
63 # ifdef HAVE_NETDB_H
64 # include <netdb.h>
65 # endif
66 # ifdef HAVE_SYS_POLL_H
67 # include <sys/poll.h>
68 # endif
69 # ifdef HAVE_SYS_FILIO_H
70 # include <sys/filio.h>
71 # endif
72 # ifdef HAVE_SYS_IOCTL_H
73 # include <sys/ioctl.h>
74 # endif
75 # define closesocket close
76 # define ioctlsocket ioctl
77 #endif /* defined(__MINGW32__) || defined (_MSC_VER) */
78
79 #include "windef.h"
80 #include "winbase.h"
81 #include "winnls.h"
82 #include "winerror.h"
83 #include "wininet.h"
84 #include "winternl.h"
85 #include "wine/unicode.h"
86
87 #include "rpc.h"
88 #include "rpcndr.h"
89
90 #include "wine/debug.h"
91
92 #include "rpc_binding.h"
93 #include "rpc_assoc.h"
94 #include "rpc_message.h"
95 #include "rpc_server.h"
96 #include "epm_towers.h"
97
98 #ifndef SOL_TCP
99 # define SOL_TCP IPPROTO_TCP
100 #endif
101
102 #define DEFAULT_NCACN_HTTP_TIMEOUT (60 * 1000)
103
104 WINE_DEFAULT_DEBUG_CHANNEL(rpc);
105
106 static RPC_STATUS RPCRT4_SpawnConnection(RpcConnection** Connection, RpcConnection* OldConnection);
107
108 /**** ncacn_np support ****/
109
110 typedef struct _RpcConnection_np
111 {
112 RpcConnection common;
113 HANDLE pipe;
114 HANDLE listen_thread;
115 BOOL listening;
116 } RpcConnection_np;
117
118 static RpcConnection *rpcrt4_conn_np_alloc(void)
119 {
120 RpcConnection_np *npc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(RpcConnection_np));
121 return &npc->common;
122 }
123
124 static DWORD CALLBACK listen_thread(void *arg)
125 {
126 RpcConnection_np *npc = arg;
127 for (;;)
128 {
129 if (ConnectNamedPipe(npc->pipe, NULL))
130 return RPC_S_OK;
131
132 switch(GetLastError())
133 {
134 case ERROR_PIPE_CONNECTED:
135 return RPC_S_OK;
136 case ERROR_HANDLES_CLOSED:
137 /* connection closed during listen */
138 return RPC_S_NO_CONTEXT_AVAILABLE;
139 case ERROR_NO_DATA_DETECTED:
140 /* client has disconnected, retry */
141 DisconnectNamedPipe( npc->pipe );
142 break;
143 default:
144 npc->listening = FALSE;
145 WARN("Couldn't ConnectNamedPipe (error was %d)\n", GetLastError());
146 return RPC_S_OUT_OF_RESOURCES;
147 }
148 }
149 }
150
151 static RPC_STATUS rpcrt4_conn_listen_pipe(RpcConnection_np *npc)
152 {
153 if (npc->listening)
154 return RPC_S_OK;
155
156 npc->listening = TRUE;
157 npc->listen_thread = CreateThread(NULL, 0, listen_thread, npc, 0, NULL);
158 if (!npc->listen_thread)
159 {
160 npc->listening = FALSE;
161 ERR("Couldn't create listen thread (error was %d)\n", GetLastError());
162 return RPC_S_OUT_OF_RESOURCES;
163 }
164 return RPC_S_OK;
165 }
166
167 static RPC_STATUS rpcrt4_conn_create_pipe(RpcConnection *Connection, LPCSTR pname)
168 {
169 RpcConnection_np *npc = (RpcConnection_np *) Connection;
170 TRACE("listening on %s\n", pname);
171
172 npc->pipe = CreateNamedPipeA(pname, PIPE_ACCESS_DUPLEX,
173 PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE,
174 PIPE_UNLIMITED_INSTANCES,
175 RPC_MAX_PACKET_SIZE, RPC_MAX_PACKET_SIZE, 5000, NULL);
176 if (npc->pipe == INVALID_HANDLE_VALUE) {
177 WARN("CreateNamedPipe failed with error %d\n", GetLastError());
178 if (GetLastError() == ERROR_FILE_EXISTS)
179 return RPC_S_DUPLICATE_ENDPOINT;
180 else
181 return RPC_S_CANT_CREATE_ENDPOINT;
182 }
183
184 /* Note: we don't call ConnectNamedPipe here because it must be done in the
185 * server thread as the thread must be alertable */
186 return RPC_S_OK;
187 }
188
189 static RPC_STATUS rpcrt4_conn_open_pipe(RpcConnection *Connection, LPCSTR pname, BOOL wait)
190 {
191 RpcConnection_np *npc = (RpcConnection_np *) Connection;
192 HANDLE pipe;
193 DWORD err, dwMode;
194
195 TRACE("connecting to %s\n", pname);
196
197 while (TRUE) {
198 DWORD dwFlags = 0;
199 if (Connection->QOS)
200 {
201 dwFlags = SECURITY_SQOS_PRESENT;
202 switch (Connection->QOS->qos->ImpersonationType)
203 {
204 case RPC_C_IMP_LEVEL_DEFAULT:
205 /* FIXME: what to do here? */
206 break;
207 case RPC_C_IMP_LEVEL_ANONYMOUS:
208 dwFlags |= SECURITY_ANONYMOUS;
209 break;
210 case RPC_C_IMP_LEVEL_IDENTIFY:
211 dwFlags |= SECURITY_IDENTIFICATION;
212 break;
213 case RPC_C_IMP_LEVEL_IMPERSONATE:
214 dwFlags |= SECURITY_IMPERSONATION;
215 break;
216 case RPC_C_IMP_LEVEL_DELEGATE:
217 dwFlags |= SECURITY_DELEGATION;
218 break;
219 }
220 if (Connection->QOS->qos->IdentityTracking == RPC_C_QOS_IDENTITY_DYNAMIC)
221 dwFlags |= SECURITY_CONTEXT_TRACKING;
222 }
223 pipe = CreateFileA(pname, GENERIC_READ|GENERIC_WRITE, 0, NULL,
224 OPEN_EXISTING, dwFlags, 0);
225 if (pipe != INVALID_HANDLE_VALUE) break;
226 err = GetLastError();
227 if (err == ERROR_PIPE_BUSY) {
228 TRACE("connection failed, error=%x\n", err);
229 return RPC_S_SERVER_TOO_BUSY;
230 }
231 if (!wait || !WaitNamedPipeA(pname, NMPWAIT_WAIT_FOREVER)) {
232 err = GetLastError();
233 WARN("connection failed, error=%x\n", err);
234 return RPC_S_SERVER_UNAVAILABLE;
235 }
236 }
237
238 /* success */
239 /* pipe is connected; change to message-read mode. */
240 dwMode = PIPE_READMODE_MESSAGE;
241 SetNamedPipeHandleState(pipe, &dwMode, NULL, NULL);
242 npc->pipe = pipe;
243
244 return RPC_S_OK;
245 }
246
247 static RPC_STATUS rpcrt4_ncalrpc_open(RpcConnection* Connection)
248 {
249 RpcConnection_np *npc = (RpcConnection_np *) Connection;
250 static const char prefix[] = "\\\\.\\pipe\\lrpc\\";
251 RPC_STATUS r;
252 LPSTR pname;
253
254 /* already connected? */
255 if (npc->pipe)
256 return RPC_S_OK;
257
258 /* protseq=ncalrpc: supposed to use NT LPC ports,
259 * but we'll implement it with named pipes for now */
260 pname = I_RpcAllocate(strlen(prefix) + strlen(Connection->Endpoint) + 1);
261 strcat(strcpy(pname, prefix), Connection->Endpoint);
262 r = rpcrt4_conn_open_pipe(Connection, pname, TRUE);
263 I_RpcFree(pname);
264
265 return r;
266 }
267
268 static RPC_STATUS rpcrt4_protseq_ncalrpc_open_endpoint(RpcServerProtseq* protseq, const char *endpoint)
269 {
270 static const char prefix[] = "\\\\.\\pipe\\lrpc\\";
271 RPC_STATUS r;
272 LPSTR pname;
273 RpcConnection *Connection;
274 char generated_endpoint[22];
275
276 if (!endpoint)
277 {
278 static LONG lrpc_nameless_id;
279 DWORD process_id = GetCurrentProcessId();
280 ULONG id = InterlockedIncrement(&lrpc_nameless_id);
281 snprintf(generated_endpoint, sizeof(generated_endpoint),
282 "LRPC%08x.%08x", process_id, id);
283 endpoint = generated_endpoint;
284 }
285
286 r = RPCRT4_CreateConnection(&Connection, TRUE, protseq->Protseq, NULL,
287 endpoint, NULL, NULL, NULL);
288 if (r != RPC_S_OK)
289 return r;
290
291 /* protseq=ncalrpc: supposed to use NT LPC ports,
292 * but we'll implement it with named pipes for now */
293 pname = I_RpcAllocate(strlen(prefix) + strlen(Connection->Endpoint) + 1);
294 strcat(strcpy(pname, prefix), Connection->Endpoint);
295 r = rpcrt4_conn_create_pipe(Connection, pname);
296 I_RpcFree(pname);
297
298 EnterCriticalSection(&protseq->cs);
299 Connection->Next = protseq->conn;
300 protseq->conn = Connection;
301 LeaveCriticalSection(&protseq->cs);
302
303 return r;
304 }
305
306 static RPC_STATUS rpcrt4_ncacn_np_open(RpcConnection* Connection)
307 {
308 RpcConnection_np *npc = (RpcConnection_np *) Connection;
309 static const char prefix[] = "\\\\.";
310 RPC_STATUS r;
311 LPSTR pname;
312
313 /* already connected? */
314 if (npc->pipe)
315 return RPC_S_OK;
316
317 /* protseq=ncacn_np: named pipes */
318 pname = I_RpcAllocate(strlen(prefix) + strlen(Connection->Endpoint) + 1);
319 strcat(strcpy(pname, prefix), Connection->Endpoint);
320 r = rpcrt4_conn_open_pipe(Connection, pname, FALSE);
321 I_RpcFree(pname);
322
323 return r;
324 }
325
326 static RPC_STATUS rpcrt4_protseq_ncacn_np_open_endpoint(RpcServerProtseq *protseq, const char *endpoint)
327 {
328 static const char prefix[] = "\\\\.";
329 RPC_STATUS r;
330 LPSTR pname;
331 RpcConnection *Connection;
332 char generated_endpoint[21];
333
334 if (!endpoint)
335 {
336 static LONG np_nameless_id;
337 DWORD process_id = GetCurrentProcessId();
338 ULONG id = InterlockedExchangeAdd(&np_nameless_id, 1 );
339 snprintf(generated_endpoint, sizeof(generated_endpoint),
340 "\\\\pipe\\\\%08x.%03x", process_id, id);
341 endpoint = generated_endpoint;
342 }
343
344 r = RPCRT4_CreateConnection(&Connection, TRUE, protseq->Protseq, NULL,
345 endpoint, NULL, NULL, NULL);
346 if (r != RPC_S_OK)
347 return r;
348
349 /* protseq=ncacn_np: named pipes */
350 pname = I_RpcAllocate(strlen(prefix) + strlen(Connection->Endpoint) + 1);
351 strcat(strcpy(pname, prefix), Connection->Endpoint);
352 r = rpcrt4_conn_create_pipe(Connection, pname);
353 I_RpcFree(pname);
354
355 EnterCriticalSection(&protseq->cs);
356 Connection->Next = protseq->conn;
357 protseq->conn = Connection;
358 LeaveCriticalSection(&protseq->cs);
359
360 return r;
361 }
362
363 static void rpcrt4_conn_np_handoff(RpcConnection_np *old_npc, RpcConnection_np *new_npc)
364 {
365 /* because of the way named pipes work, we'll transfer the connected pipe
366 * to the child, then reopen the server binding to continue listening */
367
368 new_npc->pipe = old_npc->pipe;
369 new_npc->listen_thread = old_npc->listen_thread;
370 old_npc->pipe = 0;
371 old_npc->listen_thread = 0;
372 old_npc->listening = FALSE;
373 }
374
375 static RPC_STATUS rpcrt4_ncacn_np_handoff(RpcConnection *old_conn, RpcConnection *new_conn)
376 {
377 RPC_STATUS status;
378 LPSTR pname;
379 static const char prefix[] = "\\\\.";
380
381 rpcrt4_conn_np_handoff((RpcConnection_np *)old_conn, (RpcConnection_np *)new_conn);
382
383 pname = I_RpcAllocate(strlen(prefix) + strlen(old_conn->Endpoint) + 1);
384 strcat(strcpy(pname, prefix), old_conn->Endpoint);
385 status = rpcrt4_conn_create_pipe(old_conn, pname);
386 I_RpcFree(pname);
387
388 return status;
389 }
390
391 static RPC_STATUS rpcrt4_ncalrpc_handoff(RpcConnection *old_conn, RpcConnection *new_conn)
392 {
393 RPC_STATUS status;
394 LPSTR pname;
395 static const char prefix[] = "\\\\.\\pipe\\lrpc\\";
396
397 TRACE("%s\n", old_conn->Endpoint);
398
399 rpcrt4_conn_np_handoff((RpcConnection_np *)old_conn, (RpcConnection_np *)new_conn);
400
401 pname = I_RpcAllocate(strlen(prefix) + strlen(old_conn->Endpoint) + 1);
402 strcat(strcpy(pname, prefix), old_conn->Endpoint);
403 status = rpcrt4_conn_create_pipe(old_conn, pname);
404 I_RpcFree(pname);
405
406 return status;
407 }
408
409 static int rpcrt4_conn_np_read(RpcConnection *Connection,
410 void *buffer, unsigned int count)
411 {
412 RpcConnection_np *npc = (RpcConnection_np *) Connection;
413 char *buf = buffer;
414 BOOL ret = TRUE;
415 unsigned int bytes_left = count;
416
417 while (bytes_left)
418 {
419 DWORD bytes_read;
420 ret = ReadFile(npc->pipe, buf, bytes_left, &bytes_read, NULL);
421 if (!ret && GetLastError() == ERROR_MORE_DATA)
422 ret = TRUE;
423 if (!ret || !bytes_read)
424 break;
425 bytes_left -= bytes_read;
426 buf += bytes_read;
427 }
428 return ret ? count : -1;
429 }
430
431 static int rpcrt4_conn_np_write(RpcConnection *Connection,
432 const void *buffer, unsigned int count)
433 {
434 RpcConnection_np *npc = (RpcConnection_np *) Connection;
435 const char *buf = buffer;
436 BOOL ret = TRUE;
437 unsigned int bytes_left = count;
438
439 while (bytes_left)
440 {
441 DWORD bytes_written;
442 ret = WriteFile(npc->pipe, buf, bytes_left, &bytes_written, NULL);
443 if (!ret || !bytes_written)
444 break;
445 bytes_left -= bytes_written;
446 buf += bytes_written;
447 }
448 return ret ? count : -1;
449 }
450
451 static int rpcrt4_conn_np_close(RpcConnection *Connection)
452 {
453 RpcConnection_np *npc = (RpcConnection_np *) Connection;
454 if (npc->pipe) {
455 FlushFileBuffers(npc->pipe);
456 CloseHandle(npc->pipe);
457 npc->pipe = 0;
458 }
459 if (npc->listen_thread) {
460 CloseHandle(npc->listen_thread);
461 npc->listen_thread = 0;
462 }
463 return 0;
464 }
465
466 static void rpcrt4_conn_np_cancel_call(RpcConnection *Connection)
467 {
468 /* FIXME: implement when named pipe writes use overlapped I/O */
469 }
470
471 static int rpcrt4_conn_np_wait_for_incoming_data(RpcConnection *Connection)
472 {
473 /* FIXME: implement when named pipe writes use overlapped I/O */
474 return -1;
475 }
476
477 static size_t rpcrt4_ncacn_np_get_top_of_tower(unsigned char *tower_data,
478 const char *networkaddr,
479 const char *endpoint)
480 {
481 twr_empty_floor_t *smb_floor;
482 twr_empty_floor_t *nb_floor;
483 size_t size;
484 size_t networkaddr_size;
485 size_t endpoint_size;
486
487 TRACE("(%p, %s, %s)\n", tower_data, networkaddr, endpoint);
488
489 networkaddr_size = networkaddr ? strlen(networkaddr) + 1 : 1;
490 endpoint_size = endpoint ? strlen(endpoint) + 1 : 1;
491 size = sizeof(*smb_floor) + endpoint_size + sizeof(*nb_floor) + networkaddr_size;
492
493 if (!tower_data)
494 return size;
495
496 smb_floor = (twr_empty_floor_t *)tower_data;
497
498 tower_data += sizeof(*smb_floor);
499
500 smb_floor->count_lhs = sizeof(smb_floor->protid);
501 smb_floor->protid = EPM_PROTOCOL_SMB;
502 smb_floor->count_rhs = endpoint_size;
503
504 if (endpoint)
505 memcpy(tower_data, endpoint, endpoint_size);
506 else
507 tower_data[0] = 0;
508 tower_data += endpoint_size;
509
510 nb_floor = (twr_empty_floor_t *)tower_data;
511
512 tower_data += sizeof(*nb_floor);
513
514 nb_floor->count_lhs = sizeof(nb_floor->protid);
515 nb_floor->protid = EPM_PROTOCOL_NETBIOS;
516 nb_floor->count_rhs = networkaddr_size;
517
518 if (networkaddr)
519 memcpy(tower_data, networkaddr, networkaddr_size);
520 else
521 tower_data[0] = 0;
522
523 return size;
524 }
525
526 static RPC_STATUS rpcrt4_ncacn_np_parse_top_of_tower(const unsigned char *tower_data,
527 size_t tower_size,
528 char **networkaddr,
529 char **endpoint)
530 {
531 const twr_empty_floor_t *smb_floor = (const twr_empty_floor_t *)tower_data;
532 const twr_empty_floor_t *nb_floor;
533
534 TRACE("(%p, %d, %p, %p)\n", tower_data, (int)tower_size, networkaddr, endpoint);
535
536 if (tower_size < sizeof(*smb_floor))
537 return EPT_S_NOT_REGISTERED;
538
539 tower_data += sizeof(*smb_floor);
540 tower_size -= sizeof(*smb_floor);
541
542 if ((smb_floor->count_lhs != sizeof(smb_floor->protid)) ||
543 (smb_floor->protid != EPM_PROTOCOL_SMB) ||
544 (smb_floor->count_rhs > tower_size) ||
545 (tower_data[smb_floor->count_rhs - 1] != '\0'))
546 return EPT_S_NOT_REGISTERED;
547
548 if (endpoint)
549 {
550 *endpoint = I_RpcAllocate(smb_floor->count_rhs);
551 if (!*endpoint)
552 return RPC_S_OUT_OF_RESOURCES;
553 memcpy(*endpoint, tower_data, smb_floor->count_rhs);
554 }
555 tower_data += smb_floor->count_rhs;
556 tower_size -= smb_floor->count_rhs;
557
558 if (tower_size < sizeof(*nb_floor))
559 return EPT_S_NOT_REGISTERED;
560
561 nb_floor = (const twr_empty_floor_t *)tower_data;
562
563 tower_data += sizeof(*nb_floor);
564 tower_size -= sizeof(*nb_floor);
565
566 if ((nb_floor->count_lhs != sizeof(nb_floor->protid)) ||
567 (nb_floor->protid != EPM_PROTOCOL_NETBIOS) ||
568 (nb_floor->count_rhs > tower_size) ||
569 (tower_data[nb_floor->count_rhs - 1] != '\0'))
570 return EPT_S_NOT_REGISTERED;
571
572 if (networkaddr)
573 {
574 *networkaddr = I_RpcAllocate(nb_floor->count_rhs);
575 if (!*networkaddr)
576 {
577 if (endpoint)
578 {
579 I_RpcFree(*endpoint);
580 *endpoint = NULL;
581 }
582 return RPC_S_OUT_OF_RESOURCES;
583 }
584 memcpy(*networkaddr, tower_data, nb_floor->count_rhs);
585 }
586
587 return RPC_S_OK;
588 }
589
590 static RPC_STATUS rpcrt4_conn_np_impersonate_client(RpcConnection *conn)
591 {
592 RpcConnection_np *npc = (RpcConnection_np *)conn;
593 BOOL ret;
594
595 TRACE("(%p)\n", conn);
596
597 if (conn->AuthInfo && SecIsValidHandle(&conn->ctx))
598 return RPCRT4_default_impersonate_client(conn);
599
600 ret = ImpersonateNamedPipeClient(npc->pipe);
601 if (!ret)
602 {
603 DWORD error = GetLastError();
604 WARN("ImpersonateNamedPipeClient failed with error %u\n", error);
605 switch (error)
606 {
607 case ERROR_CANNOT_IMPERSONATE:
608 return RPC_S_NO_CONTEXT_AVAILABLE;
609 }
610 }
611 return RPC_S_OK;
612 }
613
614 static RPC_STATUS rpcrt4_conn_np_revert_to_self(RpcConnection *conn)
615 {
616 BOOL ret;
617
618 TRACE("(%p)\n", conn);
619
620 if (conn->AuthInfo && SecIsValidHandle(&conn->ctx))
621 return RPCRT4_default_revert_to_self(conn);
622
623 ret = RevertToSelf();
624 if (!ret)
625 {
626 WARN("RevertToSelf failed with error %u\n", GetLastError());
627 return RPC_S_NO_CONTEXT_AVAILABLE;
628 }
629 return RPC_S_OK;
630 }
631
632 typedef struct _RpcServerProtseq_np
633 {
634 RpcServerProtseq common;
635 HANDLE mgr_event;
636 } RpcServerProtseq_np;
637
638 static RpcServerProtseq *rpcrt4_protseq_np_alloc(void)
639 {
640 RpcServerProtseq_np *ps = HeapAlloc(GetProcessHeap(), 0, sizeof(*ps));
641 if (ps)
642 ps->mgr_event = CreateEventW(NULL, FALSE, FALSE, NULL);
643 return &ps->common;
644 }
645
646 static void rpcrt4_protseq_np_signal_state_changed(RpcServerProtseq *protseq)
647 {
648 RpcServerProtseq_np *npps = CONTAINING_RECORD(protseq, RpcServerProtseq_np, common);
649 SetEvent(npps->mgr_event);
650 }
651
652 static void *rpcrt4_protseq_np_get_wait_array(RpcServerProtseq *protseq, void *prev_array, unsigned int *count)
653 {
654 HANDLE *objs = prev_array;
655 RpcConnection_np *conn;
656 RpcServerProtseq_np *npps = CONTAINING_RECORD(protseq, RpcServerProtseq_np, common);
657
658 EnterCriticalSection(&protseq->cs);
659
660 /* open and count connections */
661 *count = 1;
662 conn = CONTAINING_RECORD(protseq->conn, RpcConnection_np, common);
663 while (conn) {
664 rpcrt4_conn_listen_pipe(conn);
665 if (conn->listen_thread)
666 (*count)++;
667 conn = CONTAINING_RECORD(conn->common.Next, RpcConnection_np, common);
668 }
669
670 /* make array of connections */
671 if (objs)
672 objs = HeapReAlloc(GetProcessHeap(), 0, objs, *count*sizeof(HANDLE));
673 else
674 objs = HeapAlloc(GetProcessHeap(), 0, *count*sizeof(HANDLE));
675 if (!objs)
676 {
677 ERR("couldn't allocate objs\n");
678 LeaveCriticalSection(&protseq->cs);
679 return NULL;
680 }
681
682 objs[0] = npps->mgr_event;
683 *count = 1;
684 conn = CONTAINING_RECORD(protseq->conn, RpcConnection_np, common);
685 while (conn) {
686 if ((objs[*count] = conn->listen_thread))
687 (*count)++;
688 conn = CONTAINING_RECORD(conn->common.Next, RpcConnection_np, common);
689 }
690 LeaveCriticalSection(&protseq->cs);
691 return objs;
692 }
693
694 static void rpcrt4_protseq_np_free_wait_array(RpcServerProtseq *protseq, void *array)
695 {
696 HeapFree(GetProcessHeap(), 0, array);
697 }
698
699 static int rpcrt4_protseq_np_wait_for_new_connection(RpcServerProtseq *protseq, unsigned int count, void *wait_array)
700 {
701 HANDLE b_handle;
702 HANDLE *objs = wait_array;
703 DWORD res;
704 RpcConnection *cconn;
705 RpcConnection_np *conn;
706
707 if (!objs)
708 return -1;
709
710 do
711 {
712 /* an alertable wait isn't strictly necessary, but due to our
713 * overlapped I/O implementation in Wine we need to free some memory
714 * by the file user APC being called, even if no completion routine was
715 * specified at the time of starting the async operation */
716 res = WaitForMultipleObjectsEx(count, objs, FALSE, INFINITE, TRUE);
717 } while (res == WAIT_IO_COMPLETION);
718
719 if (res == WAIT_OBJECT_0)
720 return 0;
721 else if (res == WAIT_FAILED)
722 {
723 ERR("wait failed with error %d\n", GetLastError());
724 return -1;
725 }
726 else
727 {
728 b_handle = objs[res - WAIT_OBJECT_0];
729 /* find which connection got a RPC */
730 EnterCriticalSection(&protseq->cs);
731 conn = CONTAINING_RECORD(protseq->conn, RpcConnection_np, common);
732 while (conn) {
733 if (b_handle == conn->listen_thread) break;
734 conn = CONTAINING_RECORD(conn->common.Next, RpcConnection_np, common);
735 }
736 cconn = NULL;
737 if (conn)
738 {
739 DWORD exit_code;
740 if (GetExitCodeThread(conn->listen_thread, &exit_code) && exit_code == RPC_S_OK)
741 RPCRT4_SpawnConnection(&cconn, &conn->common);
742 CloseHandle(conn->listen_thread);
743 conn->listen_thread = 0;
744 }
745 else
746 ERR("failed to locate connection for handle %p\n", b_handle);
747 LeaveCriticalSection(&protseq->cs);
748 if (cconn)
749 {
750 RPCRT4_new_client(cconn);
751 return 1;
752 }
753 else return -1;
754 }
755 }
756
757 static size_t rpcrt4_ncalrpc_get_top_of_tower(unsigned char *tower_data,
758 const char *networkaddr,
759 const char *endpoint)
760 {
761 twr_empty_floor_t *pipe_floor;
762 size_t size;
763 size_t endpoint_size;
764
765 TRACE("(%p, %s, %s)\n", tower_data, networkaddr, endpoint);
766
767 endpoint_size = strlen(endpoint) + 1;
768 size = sizeof(*pipe_floor) + endpoint_size;
769
770 if (!tower_data)
771 return size;
772
773 pipe_floor = (twr_empty_floor_t *)tower_data;
774
775 tower_data += sizeof(*pipe_floor);
776
777 pipe_floor->count_lhs = sizeof(pipe_floor->protid);
778 pipe_floor->protid = EPM_PROTOCOL_PIPE;
779 pipe_floor->count_rhs = endpoint_size;
780
781 memcpy(tower_data, endpoint, endpoint_size);
782
783 return size;
784 }
785
786 static RPC_STATUS rpcrt4_ncalrpc_parse_top_of_tower(const unsigned char *tower_data,
787 size_t tower_size,
788 char **networkaddr,
789 char **endpoint)
790 {
791 const twr_empty_floor_t *pipe_floor = (const twr_empty_floor_t *)tower_data;
792
793 TRACE("(%p, %d, %p, %p)\n", tower_data, (int)tower_size, networkaddr, endpoint);
794
795 if (tower_size < sizeof(*pipe_floor))
796 return EPT_S_NOT_REGISTERED;
797
798 tower_data += sizeof(*pipe_floor);
799 tower_size -= sizeof(*pipe_floor);
800
801 if ((pipe_floor->count_lhs != sizeof(pipe_floor->protid)) ||
802 (pipe_floor->protid != EPM_PROTOCOL_PIPE) ||
803 (pipe_floor->count_rhs > tower_size) ||
804 (tower_data[pipe_floor->count_rhs - 1] != '\0'))
805 return EPT_S_NOT_REGISTERED;
806
807 if (networkaddr)
808 *networkaddr = NULL;
809
810 if (endpoint)
811 {
812 *endpoint = I_RpcAllocate(pipe_floor->count_rhs);
813 if (!*endpoint)
814 return RPC_S_OUT_OF_RESOURCES;
815 memcpy(*endpoint, tower_data, pipe_floor->count_rhs);
816 }
817
818 return RPC_S_OK;
819 }
820
821 static BOOL rpcrt4_ncalrpc_is_authorized(RpcConnection *conn)
822 {
823 return FALSE;
824 }
825
826 static RPC_STATUS rpcrt4_ncalrpc_authorize(RpcConnection *conn, BOOL first_time,
827 unsigned char *in_buffer,
828 unsigned int in_size,
829 unsigned char *out_buffer,
830 unsigned int *out_size)
831 {
832 /* since this protocol is local to the machine there is no need to
833 * authenticate the caller */
834 *out_size = 0;
835 return RPC_S_OK;
836 }
837
838 static RPC_STATUS rpcrt4_ncalrpc_secure_packet(RpcConnection *conn,
839 enum secure_packet_direction dir,
840 RpcPktHdr *hdr, unsigned int hdr_size,
841 unsigned char *stub_data, unsigned int stub_data_size,
842 RpcAuthVerifier *auth_hdr,
843 unsigned char *auth_value, unsigned int auth_value_size)
844 {
845 /* since this protocol is local to the machine there is no need to secure
846 * the packet */
847 return RPC_S_OK;
848 }
849
850 static RPC_STATUS rpcrt4_ncalrpc_inquire_auth_client(
851 RpcConnection *conn, RPC_AUTHZ_HANDLE *privs, RPC_WSTR *server_princ_name,
852 ULONG *authn_level, ULONG *authn_svc, ULONG *authz_svc, ULONG flags)
853 {
854 TRACE("(%p, %p, %p, %p, %p, %p, 0x%x)\n", conn, privs,
855 server_princ_name, authn_level, authn_svc, authz_svc, flags);
856
857 if (privs)
858 {
859 FIXME("privs not implemented\n");
860 *privs = NULL;
861 }
862 if (server_princ_name)
863 {
864 FIXME("server_princ_name not implemented\n");
865 *server_princ_name = NULL;
866 }
867 if (authn_level) *authn_level = RPC_C_AUTHN_LEVEL_PKT_PRIVACY;
868 if (authn_svc) *authn_svc = RPC_C_AUTHN_WINNT;
869 if (authz_svc)
870 {
871 FIXME("authorization service not implemented\n");
872 *authz_svc = RPC_C_AUTHZ_NONE;
873 }
874 if (flags)
875 FIXME("flags 0x%x not implemented\n", flags);
876
877 return RPC_S_OK;
878 }
879
880 /**** ncacn_ip_tcp support ****/
881
882 static size_t rpcrt4_ip_tcp_get_top_of_tower(unsigned char *tower_data,
883 const char *networkaddr,
884 unsigned char tcp_protid,
885 const char *endpoint)
886 {
887 twr_tcp_floor_t *tcp_floor;
888 twr_ipv4_floor_t *ipv4_floor;
889 struct addrinfo *ai;
890 struct addrinfo hints;
891 int ret;
892 size_t size = sizeof(*tcp_floor) + sizeof(*ipv4_floor);
893
894 TRACE("(%p, %s, %s)\n", tower_data, networkaddr, endpoint);
895
896 if (!tower_data)
897 return size;
898
899 tcp_floor = (twr_tcp_floor_t *)tower_data;
900 tower_data += sizeof(*tcp_floor);
901
902 ipv4_floor = (twr_ipv4_floor_t *)tower_data;
903
904 tcp_floor->count_lhs = sizeof(tcp_floor->protid);
905 tcp_floor->protid = tcp_protid;
906 tcp_floor->count_rhs = sizeof(tcp_floor->port);
907
908 ipv4_floor->count_lhs = sizeof(ipv4_floor->protid);
909 ipv4_floor->protid = EPM_PROTOCOL_IP;
910 ipv4_floor->count_rhs = sizeof(ipv4_floor->ipv4addr);
911
912 hints.ai_flags = AI_NUMERICHOST;
913 /* FIXME: only support IPv4 at the moment. how is IPv6 represented by the EPM? */
914 hints.ai_family = PF_INET;
915 hints.ai_socktype = SOCK_STREAM;
916 hints.ai_protocol = IPPROTO_TCP;
917 hints.ai_addrlen = 0;
918 hints.ai_addr = NULL;
919 hints.ai_canonname = NULL;
920 hints.ai_next = NULL;
921
922 ret = getaddrinfo(networkaddr, endpoint, &hints, &ai);
923 if (ret)
924 {
925 ret = getaddrinfo("0.0.0.0", endpoint, &hints, &ai);
926 if (ret)
927 {
928 ERR("getaddrinfo failed: %s\n", gai_strerror(ret));
929 return 0;
930 }
931 }
932
933 if (ai->ai_family == PF_INET)
934 {
935 const struct sockaddr_in *sin = (const struct sockaddr_in *)ai->ai_addr;
936 tcp_floor->port = sin->sin_port;
937 ipv4_floor->ipv4addr = sin->sin_addr.s_addr;
938 }
939 else
940 {
941 ERR("unexpected protocol family %d\n", ai->ai_family);
942 return 0;
943 }
944
945 freeaddrinfo(ai);
946
947 return size;
948 }
949
950 static RPC_STATUS rpcrt4_ip_tcp_parse_top_of_tower(const unsigned char *tower_data,
951 size_t tower_size,
952 char **networkaddr,
953 unsigned char tcp_protid,
954 char **endpoint)
955 {
956 const twr_tcp_floor_t *tcp_floor = (const twr_tcp_floor_t *)tower_data;
957 const twr_ipv4_floor_t *ipv4_floor;
958 struct in_addr in_addr;
959
960 TRACE("(%p, %d, %p, %p)\n", tower_data, (int)tower_size, networkaddr, endpoint);
961
962 if (tower_size < sizeof(*tcp_floor))
963 return EPT_S_NOT_REGISTERED;
964
965 tower_data += sizeof(*tcp_floor);
966 tower_size -= sizeof(*tcp_floor);
967
968 if (tower_size < sizeof(*ipv4_floor))
969 return EPT_S_NOT_REGISTERED;
970
971 ipv4_floor = (const twr_ipv4_floor_t *)tower_data;
972
973 if ((tcp_floor->count_lhs != sizeof(tcp_floor->protid)) ||
974 (tcp_floor->protid != tcp_protid) ||
975 (tcp_floor->count_rhs != sizeof(tcp_floor->port)) ||
976 (ipv4_floor->count_lhs != sizeof(ipv4_floor->protid)) ||
977 (ipv4_floor->protid != EPM_PROTOCOL_IP) ||
978 (ipv4_floor->count_rhs != sizeof(ipv4_floor->ipv4addr)))
979 return EPT_S_NOT_REGISTERED;
980
981 if (endpoint)
982 {
983 *endpoint = I_RpcAllocate(6 /* sizeof("65535") + 1 */);
984 if (!*endpoint)
985 return RPC_S_OUT_OF_RESOURCES;
986 sprintf(*endpoint, "%u", ntohs(tcp_floor->port));
987 }
988
989 if (networkaddr)
990 {
991 *networkaddr = I_RpcAllocate(INET_ADDRSTRLEN);
992 if (!*networkaddr)
993 {
994 if (endpoint)
995 {
996 I_RpcFree(*endpoint);
997 *endpoint = NULL;
998 }
999 return RPC_S_OUT_OF_RESOURCES;
1000 }
1001 in_addr.s_addr = ipv4_floor->ipv4addr;
1002 if (!inet_ntop(AF_INET, &in_addr, *networkaddr, INET_ADDRSTRLEN))
1003 {
1004 ERR("inet_ntop: %s\n", strerror(errno));
1005 I_RpcFree(*networkaddr);
1006 *networkaddr = NULL;
1007 if (endpoint)
1008 {
1009 I_RpcFree(*endpoint);
1010 *endpoint = NULL;
1011 }
1012 return EPT_S_NOT_REGISTERED;
1013 }
1014 }
1015
1016 return RPC_S_OK;
1017 }
1018
1019 typedef struct _RpcConnection_tcp
1020 {
1021 RpcConnection common;
1022 int sock;
1023 #ifdef HAVE_SOCKETPAIR
1024 int cancel_fds[2];
1025 #else
1026 HANDLE sock_event;
1027 HANDLE cancel_event;
1028 #endif
1029 } RpcConnection_tcp;
1030
1031 #ifdef HAVE_SOCKETPAIR
1032
1033 static BOOL rpcrt4_sock_wait_init(RpcConnection_tcp *tcpc)
1034 {
1035 if (socketpair(PF_UNIX, SOCK_STREAM, 0, tcpc->cancel_fds) < 0)
1036 {
1037 ERR("socketpair() failed: %s\n", strerror(errno));
1038 return FALSE;
1039 }
1040 return TRUE;
1041 }
1042
1043 static BOOL rpcrt4_sock_wait_for_recv(RpcConnection_tcp *tcpc)
1044 {
1045 struct pollfd pfds[2];
1046 pfds[0].fd = tcpc->sock;
1047 pfds[0].events = POLLIN;
1048 pfds[1].fd = tcpc->cancel_fds[0];
1049 pfds[1].events = POLLIN;
1050 if (poll(pfds, 2, -1 /* infinite */) == -1 && errno != EINTR)
1051 {
1052 ERR("poll() failed: %s\n", strerror(errno));
1053 return FALSE;
1054 }
1055 if (pfds[1].revents & POLLIN) /* canceled */
1056 {
1057 char dummy;
1058 read(pfds[1].fd, &dummy, sizeof(dummy));
1059 return FALSE;
1060 }
1061 return TRUE;
1062 }
1063
1064 static BOOL rpcrt4_sock_wait_for_send(RpcConnection_tcp *tcpc)
1065 {
1066 struct pollfd pfd;
1067 pfd.fd = tcpc->sock;
1068 pfd.events = POLLOUT;
1069 if (poll(&pfd, 1, -1 /* infinite */) == -1 && errno != EINTR)
1070 {
1071 ERR("poll() failed: %s\n", strerror(errno));
1072 return FALSE;
1073 }
1074 return TRUE;
1075 }
1076
1077 static void rpcrt4_sock_wait_cancel(RpcConnection_tcp *tcpc)
1078 {
1079 char dummy = 1;
1080
1081 write(tcpc->cancel_fds[1], &dummy, 1);
1082 }
1083
1084 static void rpcrt4_sock_wait_destroy(RpcConnection_tcp *tcpc)
1085 {
1086 close(tcpc->cancel_fds[0]);
1087 close(tcpc->cancel_fds[1]);
1088 }
1089
1090 #else /* HAVE_SOCKETPAIR */
1091
1092 static BOOL rpcrt4_sock_wait_init(RpcConnection_tcp *tcpc)
1093 {
1094 static BOOL wsa_inited;
1095 if (!wsa_inited)
1096 {
1097 WSADATA wsadata;
1098 WSAStartup(MAKEWORD(2, 2), &wsadata);
1099 /* Note: WSAStartup can be called more than once so we don't bother with
1100 * making accesses to wsa_inited thread-safe */
1101 wsa_inited = TRUE;
1102 }
1103 tcpc->sock_event = CreateEventW(NULL, FALSE, FALSE, NULL);
1104 tcpc->cancel_event = CreateEventW(NULL, FALSE, FALSE, NULL);
1105 if (!tcpc->sock_event || !tcpc->cancel_event)
1106 {
1107 ERR("event creation failed\n");
1108 if (tcpc->sock_event) CloseHandle(tcpc->sock_event);
1109 return FALSE;
1110 }
1111 return TRUE;
1112 }
1113
1114 static BOOL rpcrt4_sock_wait_for_recv(RpcConnection_tcp *tcpc)
1115 {
1116 HANDLE wait_handles[2];
1117 DWORD res;
1118 if (WSAEventSelect(tcpc->sock, tcpc->sock_event, FD_READ | FD_CLOSE) == SOCKET_ERROR)
1119 {
1120 ERR("WSAEventSelect() failed with error %d\n", WSAGetLastError());
1121 return FALSE;
1122 }
1123 wait_handles[0] = tcpc->sock_event;
1124 wait_handles[1] = tcpc->cancel_event;
1125 res = WaitForMultipleObjects(2, wait_handles, FALSE, INFINITE);
1126 switch (res)
1127 {
1128 case WAIT_OBJECT_0:
1129 return TRUE;
1130 case WAIT_OBJECT_0 + 1:
1131 return FALSE;
1132 default:
1133 ERR("WaitForMultipleObjects() failed with error %d\n", GetLastError());
1134 return FALSE;
1135 }
1136 }
1137
1138 static BOOL rpcrt4_sock_wait_for_send(RpcConnection_tcp *tcpc)
1139 {
1140 DWORD res;
1141 if (WSAEventSelect(tcpc->sock, tcpc->sock_event, FD_WRITE | FD_CLOSE) == SOCKET_ERROR)
1142 {
1143 ERR("WSAEventSelect() failed with error %d\n", WSAGetLastError());
1144 return FALSE;
1145 }
1146 res = WaitForSingleObject(tcpc->sock_event, INFINITE);
1147 switch (res)
1148 {
1149 case WAIT_OBJECT_0:
1150 return TRUE;
1151 default:
1152 ERR("WaitForMultipleObjects() failed with error %d\n", GetLastError());
1153 return FALSE;
1154 }
1155 }
1156
1157 static void rpcrt4_sock_wait_cancel(RpcConnection_tcp *tcpc)
1158 {
1159 SetEvent(tcpc->cancel_event);
1160 }
1161
1162 static void rpcrt4_sock_wait_destroy(RpcConnection_tcp *tcpc)
1163 {
1164 CloseHandle(tcpc->sock_event);
1165 CloseHandle(tcpc->cancel_event);
1166 }
1167
1168 #endif
1169
1170 static RpcConnection *rpcrt4_conn_tcp_alloc(void)
1171 {
1172 RpcConnection_tcp *tcpc;
1173 tcpc = HeapAlloc(GetProcessHeap(), 0, sizeof(RpcConnection_tcp));
1174 if (tcpc == NULL)
1175 return NULL;
1176 tcpc->sock = -1;
1177 if (!rpcrt4_sock_wait_init(tcpc))
1178 {
1179 HeapFree(GetProcessHeap(), 0, tcpc);
1180 return NULL;
1181 }
1182 return &tcpc->common;
1183 }
1184
1185 static RPC_STATUS rpcrt4_ncacn_ip_tcp_open(RpcConnection* Connection)
1186 {
1187 RpcConnection_tcp *tcpc = (RpcConnection_tcp *) Connection;
1188 int sock;
1189 int ret;
1190 struct addrinfo *ai;
1191 struct addrinfo *ai_cur;
1192 struct addrinfo hints;
1193
1194 TRACE("(%s, %s)\n", Connection->NetworkAddr, Connection->Endpoint);
1195
1196 if (tcpc->sock != -1)
1197 return RPC_S_OK;
1198
1199 hints.ai_flags = 0;
1200 hints.ai_family = PF_UNSPEC;
1201 hints.ai_socktype = SOCK_STREAM;
1202 hints.ai_protocol = IPPROTO_TCP;
1203 hints.ai_addrlen = 0;
1204 hints.ai_addr = NULL;
1205 hints.ai_canonname = NULL;
1206 hints.ai_next = NULL;
1207
1208 ret = getaddrinfo(Connection->NetworkAddr, Connection->Endpoint, &hints, &ai);
1209 if (ret)
1210 {
1211 ERR("getaddrinfo for %s:%s failed: %s\n", Connection->NetworkAddr,
1212 Connection->Endpoint, gai_strerror(ret));
1213 return RPC_S_SERVER_UNAVAILABLE;
1214 }
1215
1216 for (ai_cur = ai; ai_cur; ai_cur = ai_cur->ai_next)
1217 {
1218 int val;
1219 u_long nonblocking;
1220
1221 if (ai_cur->ai_family != AF_INET && ai_cur->ai_family != AF_INET6)
1222 {
1223 TRACE("skipping non-IP/IPv6 address family\n");
1224 continue;
1225 }
1226
1227 if (TRACE_ON(rpc))
1228 {
1229 char host[256];
1230 char service[256];
1231 getnameinfo(ai_cur->ai_addr, ai_cur->ai_addrlen,
1232 host, sizeof(host), service, sizeof(service),
1233 NI_NUMERICHOST | NI_NUMERICSERV);
1234 TRACE("trying %s:%s\n", host, service);
1235 }
1236
1237 sock = socket(ai_cur->ai_family, ai_cur->ai_socktype, ai_cur->ai_protocol);
1238 if (sock == -1)
1239 {
1240 WARN("socket() failed: %s\n", strerror(errno));
1241 continue;
1242 }
1243
1244 if (0>connect(sock, ai_cur->ai_addr, ai_cur->ai_addrlen))
1245 {
1246 WARN("connect() failed: %s\n", strerror(errno));
1247 closesocket(sock);
1248 continue;
1249 }
1250
1251 /* RPC depends on having minimal latency so disable the Nagle algorithm */
1252 val = 1;
1253 setsockopt(sock, SOL_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
1254 nonblocking = 1;
1255 ioctlsocket(sock, FIONBIO, &nonblocking);
1256
1257 tcpc->sock = sock;
1258
1259 freeaddrinfo(ai);
1260 TRACE("connected\n");
1261 return RPC_S_OK;
1262 }
1263
1264 freeaddrinfo(ai);
1265 ERR("couldn't connect to %s:%s\n", Connection->NetworkAddr, Connection->Endpoint);
1266 return RPC_S_SERVER_UNAVAILABLE;
1267 }
1268
1269 static RPC_STATUS rpcrt4_protseq_ncacn_ip_tcp_open_endpoint(RpcServerProtseq *protseq, const char *endpoint)
1270 {
1271 RPC_STATUS status = RPC_S_CANT_CREATE_ENDPOINT;
1272 int sock;
1273 int ret;
1274 struct addrinfo *ai;
1275 struct addrinfo *ai_cur;
1276 struct addrinfo hints;
1277 RpcConnection *first_connection = NULL;
1278
1279 TRACE("(%p, %s)\n", protseq, endpoint);
1280
1281 hints.ai_flags = AI_PASSIVE /* for non-localhost addresses */;
1282 hints.ai_family = PF_UNSPEC;
1283 hints.ai_socktype = SOCK_STREAM;
1284 hints.ai_protocol = IPPROTO_TCP;
1285 hints.ai_addrlen = 0;
1286 hints.ai_addr = NULL;
1287 hints.ai_canonname = NULL;
1288 hints.ai_next = NULL;
1289
1290 ret = getaddrinfo(NULL, endpoint ? endpoint : "0", &hints, &ai);
1291 if (ret)
1292 {
1293 ERR("getaddrinfo for port %s failed: %s\n", endpoint,
1294 gai_strerror(ret));
1295 if ((ret == EAI_SERVICE) || (ret == EAI_NONAME))
1296 return RPC_S_INVALID_ENDPOINT_FORMAT;
1297 return RPC_S_CANT_CREATE_ENDPOINT;
1298 }
1299
1300 for (ai_cur = ai; ai_cur; ai_cur = ai_cur->ai_next)
1301 {
1302 RpcConnection_tcp *tcpc;
1303 RPC_STATUS create_status;
1304 struct sockaddr_storage sa;
1305 socklen_t sa_len;
1306 char service[NI_MAXSERV];
1307 u_long nonblocking;
1308
1309 if (ai_cur->ai_family != AF_INET && ai_cur->ai_family != AF_INET6)
1310 {
1311 TRACE("skipping non-IP/IPv6 address family\n");
1312 continue;
1313 }
1314
1315 if (TRACE_ON(rpc))
1316 {
1317 char host[256];
1318 getnameinfo(ai_cur->ai_addr, ai_cur->ai_addrlen,
1319 host, sizeof(host), service, sizeof(service),
1320 NI_NUMERICHOST | NI_NUMERICSERV);
1321 TRACE("trying %s:%s\n", host, service);
1322 }
1323
1324 sock = socket(ai_cur->ai_family, ai_cur->ai_socktype, ai_cur->ai_protocol);
1325 if (sock == -1)
1326 {
1327 WARN("socket() failed: %s\n", strerror(errno));
1328 status = RPC_S_CANT_CREATE_ENDPOINT;
1329 continue;
1330 }
1331
1332 ret = bind(sock, ai_cur->ai_addr, ai_cur->ai_addrlen);
1333 if (ret < 0)
1334 {
1335 WARN("bind failed: %s\n", strerror(errno));
1336 closesocket(sock);
1337 if (errno == EADDRINUSE)
1338 status = RPC_S_DUPLICATE_ENDPOINT;
1339 else
1340 status = RPC_S_CANT_CREATE_ENDPOINT;
1341 continue;
1342 }
1343
1344 sa_len = sizeof(sa);
1345 if (getsockname(sock, (struct sockaddr *)&sa, &sa_len))
1346 {
1347 WARN("getsockname() failed: %s\n", strerror(errno));
1348 status = RPC_S_CANT_CREATE_ENDPOINT;
1349 continue;
1350 }
1351
1352 ret = getnameinfo((struct sockaddr *)&sa, sa_len,
1353 NULL, 0, service, sizeof(service),
1354 NI_NUMERICSERV);
1355 if (ret)
1356 {
1357 WARN("getnameinfo failed: %s\n", gai_strerror(ret));
1358 status = RPC_S_CANT_CREATE_ENDPOINT;
1359 continue;
1360 }
1361
1362 create_status = RPCRT4_CreateConnection((RpcConnection **)&tcpc, TRUE,
1363 protseq->Protseq, NULL,
1364 service, NULL, NULL, NULL);
1365 if (create_status != RPC_S_OK)
1366 {
1367 closesocket(sock);
1368 status = create_status;
1369 continue;
1370 }
1371
1372 tcpc->sock = sock;
1373 ret = listen(sock, protseq->MaxCalls);
1374 if (ret < 0)
1375 {
1376 WARN("listen failed: %s\n", strerror(errno));
1377 RPCRT4_ReleaseConnection(&tcpc->common);
1378 status = RPC_S_OUT_OF_RESOURCES;
1379 continue;
1380 }
1381 /* need a non-blocking socket, otherwise accept() has a potential
1382 * race-condition (poll() says it is readable, connection drops,
1383 * and accept() blocks until the next connection comes...)
1384 */
1385 nonblocking = 1;
1386 ret = ioctlsocket(sock, FIONBIO, &nonblocking);
1387 if (ret < 0)
1388 {
1389 WARN("couldn't make socket non-blocking, error %d\n", ret);
1390 RPCRT4_ReleaseConnection(&tcpc->common);
1391 status = RPC_S_OUT_OF_RESOURCES;
1392 continue;
1393 }
1394
1395 tcpc->common.Next = first_connection;
1396 first_connection = &tcpc->common;
1397
1398 /* since IPv4 and IPv6 share the same port space, we only need one
1399 * successful bind to listen for both */
1400 break;
1401 }
1402
1403 freeaddrinfo(ai);
1404
1405 /* if at least one connection was created for an endpoint then
1406 * return success */
1407 if (first_connection)
1408 {
1409 RpcConnection *conn;
1410
1411 /* find last element in list */
1412 for (conn = first_connection; conn->Next; conn = conn->Next)
1413 ;
1414
1415 EnterCriticalSection(&protseq->cs);
1416 conn->Next = protseq->conn;
1417 protseq->conn = first_connection;
1418 LeaveCriticalSection(&protseq->cs);
1419
1420 TRACE("listening on %s\n", endpoint);
1421 return RPC_S_OK;
1422 }
1423
1424 ERR("couldn't listen on port %s\n", endpoint);
1425 return status;
1426 }
1427
1428 static RPC_STATUS rpcrt4_conn_tcp_handoff(RpcConnection *old_conn, RpcConnection *new_conn)
1429 {
1430 int ret;
1431 struct sockaddr_in address;
1432 socklen_t addrsize;
1433 RpcConnection_tcp *server = (RpcConnection_tcp*) old_conn;
1434 RpcConnection_tcp *client = (RpcConnection_tcp*) new_conn;
1435 u_long nonblocking;
1436
1437 addrsize = sizeof(address);
1438 ret = accept(server->sock, (struct sockaddr*) &address, &addrsize);
1439 if (ret < 0)
1440 {
1441 ERR("Failed to accept a TCP connection: error %d\n", ret);
1442 return RPC_S_OUT_OF_RESOURCES;
1443 }
1444 nonblocking = 1;
1445 ioctlsocket(ret, FIONBIO, &nonblocking);
1446 client->sock = ret;
1447 TRACE("Accepted a new TCP connection\n");
1448 return RPC_S_OK;
1449 }
1450
1451 static int rpcrt4_conn_tcp_read(RpcConnection *Connection,
1452 void *buffer, unsigned int count)
1453 {
1454 RpcConnection_tcp *tcpc = (RpcConnection_tcp *) Connection;
1455 int bytes_read = 0;
1456 while (bytes_read != count)
1457 {
1458 int r = recv(tcpc->sock, (char *)buffer + bytes_read, count - bytes_read, 0);
1459 if (!r)
1460 return -1;
1461 else if (r > 0)
1462 bytes_read += r;
1463 else if (errno != EAGAIN)
1464 {
1465 WARN("recv() failed: %s\n", strerror(errno));
1466 return -1;
1467 }
1468 else
1469 {
1470 if (!rpcrt4_sock_wait_for_recv(tcpc))
1471 return -1;
1472 }
1473 }
1474 TRACE("%d %p %u -> %d\n", tcpc->sock, buffer, count, bytes_read);
1475 return bytes_read;
1476 }
1477
1478 static int rpcrt4_conn_tcp_write(RpcConnection *Connection,
1479 const void *buffer, unsigned int count)
1480 {
1481 RpcConnection_tcp *tcpc = (RpcConnection_tcp *) Connection;
1482 int bytes_written = 0;
1483 while (bytes_written != count)
1484 {
1485 int r = send(tcpc->sock, (const char *)buffer + bytes_written, count - bytes_written, 0);
1486 if (r >= 0)
1487 bytes_written += r;
1488 else if (errno != EAGAIN)
1489 return -1;
1490 else
1491 {
1492 if (!rpcrt4_sock_wait_for_send(tcpc))
1493 return -1;
1494 }
1495 }
1496 TRACE("%d %p %u -> %d\n", tcpc->sock, buffer, count, bytes_written);
1497 return bytes_written;
1498 }
1499
1500 static int rpcrt4_conn_tcp_close(RpcConnection *Connection)
1501 {
1502 RpcConnection_tcp *tcpc = (RpcConnection_tcp *) Connection;
1503
1504 TRACE("%d\n", tcpc->sock);
1505
1506 if (tcpc->sock != -1)
1507 closesocket(tcpc->sock);
1508 tcpc->sock = -1;
1509 rpcrt4_sock_wait_destroy(tcpc);
1510 return 0;
1511 }
1512
1513 static void rpcrt4_conn_tcp_cancel_call(RpcConnection *Connection)
1514 {
1515 RpcConnection_tcp *tcpc = (RpcConnection_tcp *) Connection;
1516 TRACE("%p\n", Connection);
1517 rpcrt4_sock_wait_cancel(tcpc);
1518 }
1519
1520 static int rpcrt4_conn_tcp_wait_for_incoming_data(RpcConnection *Connection)
1521 {
1522 RpcConnection_tcp *tcpc = (RpcConnection_tcp *) Connection;
1523
1524 TRACE("%p\n", Connection);
1525
1526 if (!rpcrt4_sock_wait_for_recv(tcpc))
1527 return -1;
1528 return 0;
1529 }
1530
1531 static size_t rpcrt4_ncacn_ip_tcp_get_top_of_tower(unsigned char *tower_data,
1532 const char *networkaddr,
1533 const char *endpoint)
1534 {
1535 return rpcrt4_ip_tcp_get_top_of_tower(tower_data, networkaddr,
1536 EPM_PROTOCOL_TCP, endpoint);
1537 }
1538
1539 #ifdef HAVE_SOCKETPAIR
1540
1541 typedef struct _RpcServerProtseq_sock
1542 {
1543 RpcServerProtseq common;
1544 int mgr_event_rcv;
1545 int mgr_event_snd;
1546 } RpcServerProtseq_sock;
1547
1548 static RpcServerProtseq *rpcrt4_protseq_sock_alloc(void)
1549 {
1550 RpcServerProtseq_sock *ps = HeapAlloc(GetProcessHeap(), 0, sizeof(*ps));
1551 if (ps)
1552 {
1553 int fds[2];
1554 if (!socketpair(PF_UNIX, SOCK_DGRAM, 0, fds))
1555 {
1556 fcntl(fds[0], F_SETFL, O_NONBLOCK);
1557 fcntl(fds[1], F_SETFL, O_NONBLOCK);
1558 ps->mgr_event_rcv = fds[0];
1559 ps->mgr_event_snd = fds[1];
1560 }
1561 else
1562 {
1563 ERR("socketpair failed with error %s\n", strerror(errno));
1564 HeapFree(GetProcessHeap(), 0, ps);
1565 return NULL;
1566 }
1567 }
1568 return &ps->common;
1569 }
1570
1571 static void rpcrt4_protseq_sock_signal_state_changed(RpcServerProtseq *protseq)
1572 {
1573 RpcServerProtseq_sock *sockps = CONTAINING_RECORD(protseq, RpcServerProtseq_sock, common);
1574 char dummy = 1;
1575 write(sockps->mgr_event_snd, &dummy, sizeof(dummy));
1576 }
1577
1578 static void *rpcrt4_protseq_sock_get_wait_array(RpcServerProtseq *protseq, void *prev_array, unsigned int *count)
1579 {
1580 struct pollfd *poll_info = prev_array;
1581 RpcConnection_tcp *conn;
1582 RpcServerProtseq_sock *sockps = CONTAINING_RECORD(protseq, RpcServerProtseq_sock, common);
1583
1584 EnterCriticalSection(&protseq->cs);
1585
1586 /* open and count connections */
1587 *count = 1;
1588 conn = (RpcConnection_tcp *)protseq->conn;
1589 while (conn) {
1590 if (conn->sock != -1)
1591 (*count)++;
1592 conn = (RpcConnection_tcp *)conn->common.Next;
1593 }
1594
1595 /* make array of connections */
1596 if (poll_info)
1597 poll_info = HeapReAlloc(GetProcessHeap(), 0, poll_info, *count*sizeof(*poll_info));
1598 else
1599 poll_info = HeapAlloc(GetProcessHeap(), 0, *count*sizeof(*poll_info));
1600 if (!poll_info)
1601 {
1602 ERR("couldn't allocate poll_info\n");
1603 LeaveCriticalSection(&protseq->cs);
1604 return NULL;
1605 }
1606
1607 poll_info[0].fd = sockps->mgr_event_rcv;
1608 poll_info[0].events = POLLIN;
1609 *count = 1;
1610 conn = CONTAINING_RECORD(protseq->conn, RpcConnection_tcp, common);
1611 while (conn) {
1612 if (conn->sock != -1)
1613 {
1614 poll_info[*count].fd = conn->sock;
1615 poll_info[*count].events = POLLIN;
1616 (*count)++;
1617 }
1618 conn = CONTAINING_RECORD(conn->common.Next, RpcConnection_tcp, common);
1619 }
1620 LeaveCriticalSection(&protseq->cs);
1621 return poll_info;
1622 }
1623
1624 static void rpcrt4_protseq_sock_free_wait_array(RpcServerProtseq *protseq, void *array)
1625 {
1626 HeapFree(GetProcessHeap(), 0, array);
1627 }
1628
1629 static int rpcrt4_protseq_sock_wait_for_new_connection(RpcServerProtseq *protseq, unsigned int count, void *wait_array)
1630 {
1631 struct pollfd *poll_info = wait_array;
1632 int ret;
1633 unsigned int i;
1634 RpcConnection *cconn;
1635 RpcConnection_tcp *conn;
1636
1637 if (!poll_info)
1638 return -1;
1639
1640 ret = poll(poll_info, count, -1);
1641 if (ret < 0)
1642 {
1643 ERR("poll failed with error %d\n", ret);
1644 return -1;
1645 }
1646
1647 for (i = 0; i < count; i++)
1648 if (poll_info[i].revents & POLLIN)
1649 {
1650 /* RPC server event */
1651 if (i == 0)
1652 {
1653 char dummy;
1654 read(poll_info[0].fd, &dummy, sizeof(dummy));
1655 return 0;
1656 }
1657
1658 /* find which connection got a RPC */
1659 EnterCriticalSection(&protseq->cs);
1660 conn = CONTAINING_RECORD(protseq->conn, RpcConnection_tcp, common);
1661 while (conn) {
1662 if (poll_info[i].fd == conn->sock) break;
1663 conn = CONTAINING_RECORD(conn->common.Next, RpcConnection_tcp, common);
1664 }
1665 cconn = NULL;
1666 if (conn)
1667 RPCRT4_SpawnConnection(&cconn, &conn->common);
1668 else
1669 ERR("failed to locate connection for fd %d\n", poll_info[i].fd);
1670 LeaveCriticalSection(&protseq->cs);
1671 if (cconn)
1672 RPCRT4_new_client(cconn);
1673 else
1674 return -1;
1675 }
1676
1677 return 1;
1678 }
1679
1680 #else /* HAVE_SOCKETPAIR */
1681
1682 typedef struct _RpcServerProtseq_sock
1683 {
1684 RpcServerProtseq common;
1685 HANDLE mgr_event;
1686 } RpcServerProtseq_sock;
1687
1688 static RpcServerProtseq *rpcrt4_protseq_sock_alloc(void)
1689 {
1690 RpcServerProtseq_sock *ps = HeapAlloc(GetProcessHeap(), 0, sizeof(*ps));
1691 if (ps)
1692 {
1693 static BOOL wsa_inited;
1694 if (!wsa_inited)
1695 {
1696 WSADATA wsadata;
1697 WSAStartup(MAKEWORD(2, 2), &wsadata);
1698 /* Note: WSAStartup can be called more than once so we don't bother with
1699 * making accesses to wsa_inited thread-safe */
1700 wsa_inited = TRUE;
1701 }
1702 ps->mgr_event = CreateEventW(NULL, FALSE, FALSE, NULL);
1703 }
1704 return &ps->common;
1705 }
1706
1707 static void rpcrt4_protseq_sock_signal_state_changed(RpcServerProtseq *protseq)
1708 {
1709 RpcServerProtseq_sock *sockps = CONTAINING_RECORD(protseq, RpcServerProtseq_sock, common);
1710 SetEvent(sockps->mgr_event);
1711 }
1712
1713 static void *rpcrt4_protseq_sock_get_wait_array(RpcServerProtseq *protseq, void *prev_array, unsigned int *count)
1714 {
1715 HANDLE *objs = prev_array;
1716 RpcConnection_tcp *conn;
1717 RpcServerProtseq_sock *sockps = CONTAINING_RECORD(protseq, RpcServerProtseq_sock, common);
1718
1719 EnterCriticalSection(&protseq->cs);
1720
1721 /* open and count connections */
1722 *count = 1;
1723 conn = CONTAINING_RECORD(protseq->conn, RpcConnection_tcp, common);
1724 while (conn)
1725 {
1726 if (conn->sock != -1)
1727 (*count)++;
1728 conn = CONTAINING_RECORD(conn->common.Next, RpcConnection_tcp, common);
1729 }
1730
1731 /* make array of connections */
1732 if (objs)
1733 objs = HeapReAlloc(GetProcessHeap(), 0, objs, *count*sizeof(HANDLE));
1734 else
1735 objs = HeapAlloc(GetProcessHeap(), 0, *count*sizeof(HANDLE));
1736 if (!objs)
1737 {
1738 ERR("couldn't allocate objs\n");
1739 LeaveCriticalSection(&protseq->cs);
1740 return NULL;
1741 }
1742
1743 objs[0] = sockps->mgr_event;
1744 *count = 1;
1745 conn = CONTAINING_RECORD(protseq->conn, RpcConnection_tcp, common);
1746 while (conn)
1747 {
1748 if (conn->sock != -1)
1749 {
1750 int res = WSAEventSelect(conn->sock, conn->sock_event, FD_ACCEPT);
1751 if (res == SOCKET_ERROR)
1752 ERR("WSAEventSelect() failed with error %d\n", WSAGetLastError());
1753 else
1754 {
1755 objs[*count] = conn->sock_event;
1756 (*count)++;
1757 }
1758 }
1759 conn = CONTAINING_RECORD(conn->common.Next, RpcConnection_tcp, common);
1760 }
1761 LeaveCriticalSection(&protseq->cs);
1762 return objs;
1763 }
1764
1765 static void rpcrt4_protseq_sock_free_wait_array(RpcServerProtseq *protseq, void *array)
1766 {
1767 HeapFree(GetProcessHeap(), 0, array);
1768 }
1769
1770 static int rpcrt4_protseq_sock_wait_for_new_connection(RpcServerProtseq *protseq, unsigned int count, void *wait_array)
1771 {
1772 HANDLE b_handle;
1773 HANDLE *objs = wait_array;
1774 DWORD res;
1775 RpcConnection *cconn;
1776 RpcConnection_tcp *conn;
1777
1778 if (!objs)
1779 return -1;
1780
1781 do
1782 {
1783 /* an alertable wait isn't strictly necessary, but due to our
1784 * overlapped I/O implementation in Wine we need to free some memory
1785 * by the file user APC being called, even if no completion routine was
1786 * specified at the time of starting the async operation */
1787 res = WaitForMultipleObjectsEx(count, objs, FALSE, INFINITE, TRUE);
1788 } while (res == WAIT_IO_COMPLETION);
1789
1790 if (res == WAIT_OBJECT_0)
1791 return 0;
1792 else if (res == WAIT_FAILED)
1793 {
1794 ERR("wait failed with error %d\n", GetLastError());
1795 return -1;
1796 }
1797 else
1798 {
1799 b_handle = objs[res - WAIT_OBJECT_0];
1800 /* find which connection got a RPC */
1801 EnterCriticalSection(&protseq->cs);
1802 conn = CONTAINING_RECORD(protseq->conn, RpcConnection_tcp, common);
1803 while (conn)
1804 {
1805 if (b_handle == conn->sock_event) break;
1806 conn = CONTAINING_RECORD(conn->common.Next, RpcConnection_tcp, common);
1807 }
1808 cconn = NULL;
1809 if (conn)
1810 RPCRT4_SpawnConnection(&cconn, &conn->common);
1811 else
1812 ERR("failed to locate connection for handle %p\n", b_handle);
1813 LeaveCriticalSection(&protseq->cs);
1814 if (cconn)
1815 {
1816 RPCRT4_new_client(cconn);
1817 return 1;
1818 }
1819 else return -1;
1820 }
1821 }
1822
1823 #endif /* HAVE_SOCKETPAIR */
1824
1825 static RPC_STATUS rpcrt4_ncacn_ip_tcp_parse_top_of_tower(const unsigned char *tower_data,
1826 size_t tower_size,
1827 char **networkaddr,
1828 char **endpoint)
1829 {
1830 return rpcrt4_ip_tcp_parse_top_of_tower(tower_data, tower_size,
1831 networkaddr, EPM_PROTOCOL_TCP,
1832 endpoint);
1833 }
1834
1835 /**** ncacn_http support ****/
1836
1837 /* 60 seconds is the period native uses */
1838 #define HTTP_IDLE_TIME 60000
1839
1840 /* reference counted to avoid a race between a cancelled call's connection
1841 * being destroyed and the asynchronous InternetReadFileEx call being
1842 * completed */
1843 typedef struct _RpcHttpAsyncData
1844 {
1845 LONG refs;
1846 HANDLE completion_event;
1847 WORD async_result;
1848 INTERNET_BUFFERSA inet_buffers;
1849 CRITICAL_SECTION cs;
1850 } RpcHttpAsyncData;
1851
1852 static ULONG RpcHttpAsyncData_AddRef(RpcHttpAsyncData *data)
1853 {
1854 return InterlockedIncrement(&data->refs);
1855 }
1856
1857 static ULONG RpcHttpAsyncData_Release(RpcHttpAsyncData *data)
1858 {
1859 ULONG refs = InterlockedDecrement(&data->refs);
1860 if (!refs)
1861 {
1862 TRACE("destroying async data %p\n", data);
1863 CloseHandle(data->completion_event);
1864 HeapFree(GetProcessHeap(), 0, data->inet_buffers.lpvBuffer);
1865 data->cs.DebugInfo->Spare[0] = 0;
1866 DeleteCriticalSection(&data->cs);
1867 HeapFree(GetProcessHeap(), 0, data);
1868 }
1869 return refs;
1870 }
1871
1872 static void prepare_async_request(RpcHttpAsyncData *async_data)
1873 {
1874 ResetEvent(async_data->completion_event);
1875 RpcHttpAsyncData_AddRef(async_data);
1876 }
1877
1878 static RPC_STATUS wait_async_request(RpcHttpAsyncData *async_data, BOOL call_ret, HANDLE cancel_event)
1879 {
1880 HANDLE handles[2] = { async_data->completion_event, cancel_event };
1881 DWORD res;
1882
1883 if(call_ret) {
1884 RpcHttpAsyncData_Release(async_data);
1885 return RPC_S_OK;
1886 }
1887
1888 if(GetLastError() != ERROR_IO_PENDING) {
1889 RpcHttpAsyncData_Release(async_data);
1890 ERR("Request failed with error %d\n", GetLastError());
1891 return RPC_S_SERVER_UNAVAILABLE;
1892 }
1893
1894 res = WaitForMultipleObjects(2, handles, FALSE, DEFAULT_NCACN_HTTP_TIMEOUT);
1895 if(res != WAIT_OBJECT_0) {
1896 TRACE("Cancelled\n");
1897 return RPC_S_CALL_CANCELLED;
1898 }
1899
1900 if(async_data->async_result) {
1901 ERR("Async request failed with error %d\n", async_data->async_result);
1902 return RPC_S_SERVER_UNAVAILABLE;
1903 }
1904
1905 return RPC_S_OK;
1906 }
1907
1908 typedef struct _RpcConnection_http
1909 {
1910 RpcConnection common;
1911 HINTERNET app_info;
1912 HINTERNET session;
1913 HINTERNET in_request;
1914 HINTERNET out_request;
1915 HANDLE timer_cancelled;
1916 HANDLE cancel_event;
1917 DWORD last_sent_time;
1918 ULONG bytes_received;
1919 ULONG flow_control_mark; /* send a control packet to the server when this many bytes received */
1920 ULONG flow_control_increment; /* number of bytes to increment flow_control_mark by */
1921 UUID connection_uuid;
1922 UUID in_pipe_uuid;
1923 UUID out_pipe_uuid;
1924 RpcHttpAsyncData *async_data;
1925 } RpcConnection_http;
1926
1927 static RpcConnection *rpcrt4_ncacn_http_alloc(void)
1928 {
1929 RpcConnection_http *httpc;
1930 httpc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*httpc));
1931 if (!httpc) return NULL;
1932 httpc->async_data = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(RpcHttpAsyncData));
1933 if (!httpc->async_data)
1934 {
1935 HeapFree(GetProcessHeap(), 0, httpc);
1936 return NULL;
1937 }
1938 TRACE("async data = %p\n", httpc->async_data);
1939 httpc->cancel_event = CreateEventW(NULL, FALSE, FALSE, NULL);
1940 httpc->async_data->refs = 1;
1941 httpc->async_data->inet_buffers.dwStructSize = sizeof(INTERNET_BUFFERSA);
1942 httpc->async_data->inet_buffers.lpvBuffer = NULL;
1943 InitializeCriticalSection(&httpc->async_data->cs);
1944 httpc->async_data->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": RpcHttpAsyncData.cs");
1945 return &httpc->common;
1946 }
1947
1948 typedef struct _HttpTimerThreadData
1949 {
1950 PVOID timer_param;
1951 DWORD *last_sent_time;
1952 HANDLE timer_cancelled;
1953 } HttpTimerThreadData;
1954
1955 static VOID rpcrt4_http_keep_connection_active_timer_proc(PVOID param, BOOLEAN dummy)
1956 {
1957 HINTERNET in_request = param;
1958 RpcPktHdr *idle_pkt;
1959
1960 idle_pkt = RPCRT4_BuildHttpHeader(NDR_LOCAL_DATA_REPRESENTATION, 0x0001,
1961 0, 0);
1962 if (idle_pkt)
1963 {
1964 DWORD bytes_written;
1965 InternetWriteFile(in_request, idle_pkt, idle_pkt->common.frag_len, &bytes_written);
1966 RPCRT4_FreeHeader(idle_pkt);
1967 }
1968 }
1969
1970 static inline DWORD rpcrt4_http_timer_calc_timeout(DWORD *last_sent_time)
1971 {
1972 DWORD cur_time = GetTickCount();
1973 DWORD cached_last_sent_time = *last_sent_time;
1974 return HTTP_IDLE_TIME - (cur_time - cached_last_sent_time > HTTP_IDLE_TIME ? 0 : cur_time - cached_last_sent_time);
1975 }
1976
1977 static DWORD CALLBACK rpcrt4_http_timer_thread(PVOID param)
1978 {
1979 HttpTimerThreadData *data_in = param;
1980 HttpTimerThreadData data;
1981 DWORD timeout;
1982
1983 data = *data_in;
1984 HeapFree(GetProcessHeap(), 0, data_in);
1985
1986 for (timeout = HTTP_IDLE_TIME;
1987 WaitForSingleObject(data.timer_cancelled, timeout) == WAIT_TIMEOUT;
1988 timeout = rpcrt4_http_timer_calc_timeout(data.last_sent_time))
1989 {
1990 /* are we too soon after last send? */
1991 if (GetTickCount() - HTTP_IDLE_TIME < *data.last_sent_time)
1992 continue;
1993 rpcrt4_http_keep_connection_active_timer_proc(data.timer_param, TRUE);
1994 }
1995
1996 CloseHandle(data.timer_cancelled);
1997 return 0;
1998 }
1999
2000 static VOID WINAPI rpcrt4_http_internet_callback(
2001 HINTERNET hInternet,
2002 DWORD_PTR dwContext,
2003 DWORD dwInternetStatus,
2004 LPVOID lpvStatusInformation,
2005 DWORD dwStatusInformationLength)
2006 {
2007 RpcHttpAsyncData *async_data = (RpcHttpAsyncData *)dwContext;
2008
2009 switch (dwInternetStatus)
2010 {
2011 case INTERNET_STATUS_REQUEST_COMPLETE:
2012 TRACE("INTERNET_STATUS_REQUEST_COMPLETED\n");
2013 if (async_data)
2014 {
2015 INTERNET_ASYNC_RESULT *async_result = lpvStatusInformation;
2016
2017 async_data->async_result = async_result->dwResult ? ERROR_SUCCESS : async_result->dwError;
2018 SetEvent(async_data->completion_event);
2019 RpcHttpAsyncData_Release(async_data);
2020 }
2021 break;
2022 }
2023 }
2024
2025 static RPC_STATUS rpcrt4_http_check_response(HINTERNET hor)
2026 {
2027 BOOL ret;
2028 DWORD status_code;
2029 DWORD size;
2030 DWORD index;
2031 WCHAR buf[32];
2032 WCHAR *status_text = buf;
2033 TRACE("\n");
2034
2035 index = 0;
2036 size = sizeof(status_code);
2037 ret = HttpQueryInfoW(hor, HTTP_QUERY_STATUS_CODE|HTTP_QUERY_FLAG_NUMBER, &status_code, &size, &index);
2038 if (!ret)
2039 return GetLastError();
2040 if (status_code < 400)
2041 return RPC_S_OK;
2042 index = 0;
2043 size = sizeof(buf);
2044 ret = HttpQueryInfoW(hor, HTTP_QUERY_STATUS_TEXT, status_text, &size, &index);
2045 if (!ret && GetLastError() == ERROR_INSUFFICIENT_BUFFER)
2046 {
2047 status_text = HeapAlloc(GetProcessHeap(), 0, size);
2048 ret = HttpQueryInfoW(hor, HTTP_QUERY_STATUS_TEXT, status_text, &size, &index);
2049 }
2050
2051 ERR("server returned: %d %s\n", status_code, ret ? debugstr_w(status_text) : "<status text unavailable>");
2052 if(status_text != buf) HeapFree(GetProcessHeap(), 0, status_text);
2053
2054 if (status_code == HTTP_STATUS_DENIED)
2055 return ERROR_ACCESS_DENIED;
2056 return RPC_S_SERVER_UNAVAILABLE;
2057 }
2058
2059 static RPC_STATUS rpcrt4_http_internet_connect(RpcConnection_http *httpc)
2060 {
2061 static const WCHAR wszUserAgent[] = {'M','S','R','P','C',0};
2062 LPWSTR proxy = NULL;
2063 LPWSTR user = NULL;
2064 LPWSTR password = NULL;
2065 LPWSTR servername = NULL;
2066 const WCHAR *option;
2067 INTERNET_PORT port = INTERNET_INVALID_PORT_NUMBER; /* use default port */
2068
2069 if (httpc->common.QOS &&
2070 (httpc->common.QOS->qos->AdditionalSecurityInfoType == RPC_C_AUTHN_INFO_TYPE_HTTP))
2071 {
2072 const RPC_HTTP_TRANSPORT_CREDENTIALS_W *http_cred = httpc->common.QOS->qos->u.HttpCredentials;
2073 if (http_cred->TransportCredentials)
2074 {
2075 WCHAR *p;
2076 const SEC_WINNT_AUTH_IDENTITY_W *cred = http_cred->TransportCredentials;
2077 ULONG len = cred->DomainLength + 1 + cred->UserLength;
2078 user = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
2079 if (!user)
2080 return RPC_S_OUT_OF_RESOURCES;
2081 p = user;
2082 if (cred->DomainLength)
2083 {
2084 memcpy(p, cred->Domain, cred->DomainLength * sizeof(WCHAR));
2085 p += cred->DomainLength;
2086 *p = '\\';
2087 p++;
2088 }
2089 memcpy(p, cred->User, cred->UserLength * sizeof(WCHAR));
2090 p[cred->UserLength] = 0;
2091
2092 password = RPCRT4_strndupW(cred->Password, cred->PasswordLength);
2093 }
2094 }
2095
2096 for (option = httpc->common.NetworkOptions; option;
2097 option = (strchrW(option, ',') ? strchrW(option, ',')+1 : NULL))
2098 {
2099 static const WCHAR wszRpcProxy[] = {'R','p','c','P','r','o','x','y','=',0};
2100 static const WCHAR wszHttpProxy[] = {'H','t','t','p','P','r','o','x','y','=',0};
2101
2102 if (!strncmpiW(option, wszRpcProxy, sizeof(wszRpcProxy)/sizeof(wszRpcProxy[0])-1))
2103 {
2104 const WCHAR *value_start = option + sizeof(wszRpcProxy)/sizeof(wszRpcProxy[0])-1;
2105 const WCHAR *value_end;
2106 const WCHAR *p;
2107
2108 value_end = strchrW(option, ',');
2109 if (!value_end)
2110 value_end = value_start + strlenW(value_start);
2111 for (p = value_start; p < value_end; p++)
2112 if (*p == ':')
2113 {
2114 port = atoiW(p+1);
2115 value_end = p;
2116 break;
2117 }
2118 TRACE("RpcProxy value is %s\n", debugstr_wn(value_start, value_end-value_start));
2119 servername = RPCRT4_strndupW(value_start, value_end-value_start);
2120 }
2121 else if (!strncmpiW(option, wszHttpProxy, sizeof(wszHttpProxy)/sizeof(wszHttpProxy[0])-1))
2122 {
2123 const WCHAR *value_start = option + sizeof(wszHttpProxy)/sizeof(wszHttpProxy[0])-1;
2124 const WCHAR *value_end;
2125
2126 value_end = strchrW(option, ',');
2127 if (!value_end)
2128 value_end = value_start + strlenW(value_start);
2129 TRACE("HttpProxy value is %s\n", debugstr_wn(value_start, value_end-value_start));
2130 proxy = RPCRT4_strndupW(value_start, value_end-value_start);
2131 }
2132 else
2133 FIXME("unhandled option %s\n", debugstr_w(option));
2134 }
2135
2136 httpc->app_info = InternetOpenW(wszUserAgent, proxy ? INTERNET_OPEN_TYPE_PROXY : INTERNET_OPEN_TYPE_PRECONFIG,
2137 NULL, NULL, INTERNET_FLAG_ASYNC);
2138 if (!httpc->app_info)
2139 {
2140 HeapFree(GetProcessHeap(), 0, password);
2141 HeapFree(GetProcessHeap(), 0, user);
2142 ERR("InternetOpenW failed with error %d\n", GetLastError());
2143 return RPC_S_SERVER_UNAVAILABLE;
2144 }
2145 InternetSetStatusCallbackW(httpc->app_info, rpcrt4_http_internet_callback);
2146
2147 /* if no RpcProxy option specified, set the HTTP server address to the
2148 * RPC server address */
2149 if (!servername)
2150 {
2151 servername = HeapAlloc(GetProcessHeap(), 0, (strlen(httpc->common.NetworkAddr) + 1)*sizeof(WCHAR));
2152 if (!servername)
2153 {
2154 HeapFree(GetProcessHeap(), 0, password);
2155 HeapFree(GetProcessHeap(), 0, user);
2156 return RPC_S_OUT_OF_RESOURCES;
2157 }
2158 MultiByteToWideChar(CP_ACP, 0, httpc->common.NetworkAddr, -1, servername, strlen(httpc->common.NetworkAddr) + 1);
2159 }
2160
2161 httpc->session = InternetConnectW(httpc->app_info, servername, port, user, password,
2162 INTERNET_SERVICE_HTTP, 0, 0);
2163
2164 HeapFree(GetProcessHeap(), 0, password);
2165 HeapFree(GetProcessHeap(), 0, user);
2166 HeapFree(GetProcessHeap(), 0, servername);
2167
2168 if (!httpc->session)
2169 {
2170 ERR("InternetConnectW failed with error %d\n", GetLastError());
2171 return RPC_S_SERVER_UNAVAILABLE;
2172 }
2173
2174 return RPC_S_OK;
2175 }
2176
2177 static RPC_STATUS send_echo_request(HINTERNET req, RpcHttpAsyncData *async_data, HANDLE cancel_event)
2178 {
2179 DWORD bytes_read;
2180 BYTE buf[20];
2181 BOOL ret;
2182 RPC_STATUS status;
2183
2184 prepare_async_request(async_data);
2185 ret = HttpSendRequestW(req, NULL, 0, NULL, 0);
2186 status = wait_async_request(async_data, ret, cancel_event);
2187 if (status != RPC_S_OK) return status;
2188
2189 status = rpcrt4_http_check_response(req);
2190 if (status != RPC_S_OK) return status;
2191
2192 InternetReadFile(req, buf, sizeof(buf), &bytes_read);
2193 /* FIXME: do something with retrieved data */
2194
2195 return RPC_S_OK;
2196 }
2197
2198 /* prepare the in pipe for use by RPC packets */
2199 static RPC_STATUS rpcrt4_http_prepare_in_pipe(HINTERNET in_request, RpcHttpAsyncData *async_data, HANDLE cancel_event,
2200 const UUID *connection_uuid,
2201 const UUID *in_pipe_uuid,
2202 const UUID *association_uuid)
2203 {
2204 BOOL ret;
2205 RPC_STATUS status;
2206 RpcPktHdr *hdr;
2207 INTERNET_BUFFERSW buffers_in;
2208 DWORD bytes_written;
2209
2210 /* prepare in pipe */
2211 status = send_echo_request(in_request, async_data, cancel_event);
2212 if (status != RPC_S_OK) return status;
2213
2214 memset(&buffers_in, 0, sizeof(buffers_in));
2215 buffers_in.dwStructSize = sizeof(buffers_in);
2216 /* FIXME: get this from the registry */
2217 buffers_in.dwBufferTotal = 1024 * 1024 * 1024; /* 1Gb */
2218 prepare_async_request(async_data);
2219 ret = HttpSendRequestExW(in_request, &buffers_in, NULL, 0, 0);
2220 status = wait_async_request(async_data, ret, cancel_event);
2221 if (status != RPC_S_OK) return status;
2222
2223 TRACE("sending HTTP connect header to server\n");
2224 hdr = RPCRT4_BuildHttpConnectHeader(0, FALSE, connection_uuid, in_pipe_uuid, association_uuid);
2225 if (!hdr) return RPC_S_OUT_OF_RESOURCES;
2226 ret = InternetWriteFile(in_request, hdr, hdr->common.frag_len, &bytes_written);
2227 RPCRT4_FreeHeader(hdr);
2228 if (!ret)
2229 {
2230 ERR("InternetWriteFile failed with error %d\n", GetLastError());
2231 return RPC_S_SERVER_UNAVAILABLE;
2232 }
2233
2234 return RPC_S_OK;
2235 }
2236
2237 static RPC_STATUS rpcrt4_http_read_http_packet(HINTERNET request, RpcPktHdr *hdr, BYTE **data)
2238 {
2239 BOOL ret;
2240 DWORD bytes_read;
2241 unsigned short data_len;
2242
2243 ret = InternetReadFile(request, hdr, sizeof(hdr->common), &bytes_read);
2244 if (!ret)
2245 return RPC_S_SERVER_UNAVAILABLE;
2246 if (hdr->common.ptype != PKT_HTTP || hdr->common.frag_len < sizeof(hdr->http))
2247 {
2248 ERR("wrong packet type received %d or wrong frag_len %d\n",
2249 hdr->common.ptype, hdr->common.frag_len);
2250 return RPC_S_PROTOCOL_ERROR;
2251 }
2252
2253 ret = InternetReadFile(request, &hdr->common + 1, sizeof(hdr->http) - sizeof(hdr->common), &bytes_read);
2254 if (!ret)
2255 return RPC_S_SERVER_UNAVAILABLE;
2256
2257 data_len = hdr->common.frag_len - sizeof(hdr->http);
2258 if (data_len)
2259 {
2260 *data = HeapAlloc(GetProcessHeap(), 0, data_len);
2261 if (!*data)
2262 return RPC_S_OUT_OF_RESOURCES;
2263 ret = InternetReadFile(request, *data, data_len, &bytes_read);
2264 if (!ret)
2265 {
2266 HeapFree(GetProcessHeap(), 0, *data);
2267 return RPC_S_SERVER_UNAVAILABLE;
2268 }
2269 }
2270 else
2271 *data = NULL;
2272
2273 if (!RPCRT4_IsValidHttpPacket(hdr, *data, data_len))
2274 {
2275 ERR("invalid http packet\n");
2276 return RPC_S_PROTOCOL_ERROR;
2277 }
2278
2279 return RPC_S_OK;
2280 }
2281
2282 /* prepare the out pipe for use by RPC packets */
2283 static RPC_STATUS rpcrt4_http_prepare_out_pipe(HINTERNET out_request,
2284 RpcHttpAsyncData *async_data,
2285 HANDLE cancel_event,
2286 const UUID *connection_uuid,
2287 const UUID *out_pipe_uuid,
2288 ULONG *flow_control_increment)
2289 {
2290 BOOL ret;
2291 RPC_STATUS status;
2292 RpcPktHdr *hdr;
2293 BYTE *data_from_server;
2294 RpcPktHdr pkt_from_server;
2295 ULONG field1, field3;
2296
2297 status = send_echo_request(out_request, async_data, cancel_event);
2298 if (status != RPC_S_OK) return status;
2299
2300 hdr = RPCRT4_BuildHttpConnectHeader(0, TRUE, connection_uuid, out_pipe_uuid, NULL);
2301 if (!hdr) return RPC_S_OUT_OF_RESOURCES;
2302
2303 prepare_async_request(async_data);
2304 ret = HttpSendRequestW(out_request, NULL, 0, hdr, hdr->common.frag_len);
2305 status = wait_async_request(async_data, ret, cancel_event);
2306 RPCRT4_FreeHeader(hdr);
2307 if (status != RPC_S_OK) return status;
2308
2309 status = rpcrt4_http_check_response(out_request);
2310 if (status != RPC_S_OK) return status;
2311
2312 status = rpcrt4_http_read_http_packet(out_request, &pkt_from_server,
2313 &data_from_server);
2314 if (status != RPC_S_OK) return status;
2315 status = RPCRT4_ParseHttpPrepareHeader1(&pkt_from_server, data_from_server,
2316 &field1);
2317 HeapFree(GetProcessHeap(), 0, data_from_server);
2318 if (status != RPC_S_OK) return status;
2319 TRACE("received (%d) from first prepare header\n", field1);
2320
2321 status = rpcrt4_http_read_http_packet(out_request, &pkt_from_server,
2322 &data_from_server);
2323 if (status != RPC_S_OK) return status;
2324 status = RPCRT4_ParseHttpPrepareHeader2(&pkt_from_server, data_from_server,
2325 &field1, flow_control_increment,
2326 &field3);
2327 HeapFree(GetProcessHeap(), 0, data_from_server);
2328 if (status != RPC_S_OK) return status;
2329 TRACE("received (0x%08x 0x%08x %d) from second prepare header\n", field1, *flow_control_increment, field3);
2330
2331 return RPC_S_OK;
2332 }
2333
2334 static RPC_STATUS rpcrt4_ncacn_http_open(RpcConnection* Connection)
2335 {
2336 RpcConnection_http *httpc = (RpcConnection_http *)Connection;
2337 static const WCHAR wszVerbIn[] = {'R','P','C','_','I','N','_','D','A','T','A',0};
2338 static const WCHAR wszVerbOut[] = {'R','P','C','_','O','U','T','_','D','A','T','A',0};
2339 static const WCHAR wszRpcProxyPrefix[] = {'/','r','p','c','/','r','p','c','p','r','o','x','y','.','d','l','l','?',0};
2340 static const WCHAR wszColon[] = {':',0};
2341 static const WCHAR wszAcceptType[] = {'a','p','p','l','i','c','a','t','i','o','n','/','r','p','c',0};
2342 LPCWSTR wszAcceptTypes[] = { wszAcceptType, NULL };
2343 WCHAR *url;
2344 RPC_STATUS status;
2345 BOOL secure;
2346 HttpTimerThreadData *timer_data;
2347 HANDLE thread;
2348
2349 TRACE("(%s, %s)\n", Connection->NetworkAddr, Connection->Endpoint);
2350
2351 if (Connection->server)
2352 {
2353 ERR("ncacn_http servers not supported yet\n");
2354 return RPC_S_SERVER_UNAVAILABLE;
2355 }
2356
2357 if (httpc->in_request)
2358 return RPC_S_OK;
2359
2360 httpc->async_data->completion_event = CreateEventW(NULL, FALSE, FALSE, NULL);
2361
2362 status = UuidCreate(&httpc->connection_uuid);
2363 status = UuidCreate(&httpc->in_pipe_uuid);
2364 status = UuidCreate(&httpc->out_pipe_uuid);
2365
2366 status = rpcrt4_http_internet_connect(httpc);
2367 if (status != RPC_S_OK)
2368 return status;
2369
2370 url = HeapAlloc(GetProcessHeap(), 0, sizeof(wszRpcProxyPrefix) + (strlen(Connection->NetworkAddr) + 1 + strlen(Connection->Endpoint))*sizeof(WCHAR));
2371 if (!url)
2372 return RPC_S_OUT_OF_MEMORY;
2373 memcpy(url, wszRpcProxyPrefix, sizeof(wszRpcProxyPrefix));
2374 MultiByteToWideChar(CP_ACP, 0, Connection->NetworkAddr, -1, url+sizeof(wszRpcProxyPrefix)/sizeof(wszRpcProxyPrefix[0])-1, strlen(Connection->NetworkAddr)+1);
2375 strcatW(url, wszColon);
2376 MultiByteToWideChar(CP_ACP, 0, Connection->Endpoint, -1, url+strlenW(url), strlen(Connection->Endpoint)+1);
2377
2378 secure = httpc->common.QOS &&
2379 (httpc->common.QOS->qos->AdditionalSecurityInfoType == RPC_C_AUTHN_INFO_TYPE_HTTP) &&
2380 (httpc->common.QOS->qos->u.HttpCredentials->Flags & RPC_C_HTTP_FLAG_USE_SSL);
2381
2382 httpc->in_request = HttpOpenRequestW(httpc->session, wszVerbIn, url, NULL, NULL,
2383 wszAcceptTypes,
2384 (secure ? INTERNET_FLAG_SECURE : 0)|INTERNET_FLAG_KEEP_CONNECTION|INTERNET_FLAG_PRAGMA_NOCACHE,
2385 (DWORD_PTR)httpc->async_data);
2386 if (!httpc->in_request)
2387 {
2388 ERR("HttpOpenRequestW failed with error %d\n", GetLastError());
2389 HeapFree(GetProcessHeap(), 0, url);
2390 return RPC_S_SERVER_UNAVAILABLE;
2391 }
2392 httpc->out_request = HttpOpenRequestW(httpc->session, wszVerbOut, url, NULL, NULL,
2393 wszAcceptTypes,
2394 (secure ? INTERNET_FLAG_SECURE : 0)|INTERNET_FLAG_KEEP_CONNECTION|INTERNET_FLAG_PRAGMA_NOCACHE,
2395 (DWORD_PTR)httpc->async_data);
2396 HeapFree(GetProcessHeap(), 0, url);
2397 if (!httpc->out_request)
2398 {
2399 ERR("HttpOpenRequestW failed with error %d\n", GetLastError());
2400 return RPC_S_SERVER_UNAVAILABLE;
2401 }
2402
2403 status = rpcrt4_http_prepare_in_pipe(httpc->in_request,
2404 httpc->async_data,
2405 httpc->cancel_event,
2406 &httpc->connection_uuid,
2407 &httpc->in_pipe_uuid,
2408 &Connection->assoc->http_uuid);
2409 if (status != RPC_S_OK)
2410 return status;
2411
2412 status = rpcrt4_http_prepare_out_pipe(httpc->out_request,
2413 httpc->async_data,
2414 httpc->cancel_event,
2415 &httpc->connection_uuid,
2416 &httpc->out_pipe_uuid,
2417 &httpc->flow_control_increment);
2418 if (status != RPC_S_OK)
2419 return status;
2420
2421 httpc->flow_control_mark = httpc->flow_control_increment / 2;
2422 httpc->last_sent_time = GetTickCount();
2423 httpc->timer_cancelled = CreateEventW(NULL, FALSE, FALSE, NULL);
2424
2425 timer_data = HeapAlloc(GetProcessHeap(), 0, sizeof(*timer_data));
2426 if (!timer_data)
2427 return ERROR_OUTOFMEMORY;
2428 timer_data->timer_param = httpc->in_request;
2429 timer_data->last_sent_time = &httpc->last_sent_time;
2430 timer_data->timer_cancelled = httpc->timer_cancelled;
2431 /* FIXME: should use CreateTimerQueueTimer when implemented */
2432 thread = CreateThread(NULL, 0, rpcrt4_http_timer_thread, timer_data, 0, NULL);
2433 if (!thread)
2434 {
2435 HeapFree(GetProcessHeap(), 0, timer_data);
2436 return GetLastError();
2437 }
2438 CloseHandle(thread);
2439
2440 return RPC_S_OK;
2441 }
2442
2443 static RPC_STATUS rpcrt4_ncacn_http_handoff(RpcConnection *old_conn, RpcConnection *new_conn)
2444 {
2445 assert(0);
2446 return RPC_S_SERVER_UNAVAILABLE;
2447 }
2448
2449 static int rpcrt4_ncacn_http_read(RpcConnection *Connection,
2450 void *buffer, unsigned int count)
2451 {
2452 RpcConnection_http *httpc = (RpcConnection_http *) Connection;
2453 char *buf = buffer;
2454 BOOL ret;
2455 unsigned int bytes_left = count;
2456 RPC_STATUS status = RPC_S_OK;
2457
2458 httpc->async_data->inet_buffers.lpvBuffer = HeapAlloc(GetProcessHeap(), 0, count);
2459
2460 while (bytes_left)
2461 {
2462 httpc->async_data->inet_buffers.dwBufferLength = bytes_left;
2463 prepare_async_request(httpc->async_data);
2464 ret = InternetReadFileExA(httpc->out_request, &httpc->async_data->inet_buffers, IRF_ASYNC, 0);
2465 status = wait_async_request(httpc->async_data, ret, httpc->cancel_event);
2466 if(status != RPC_S_OK) {
2467 if(status == RPC_S_CALL_CANCELLED)
2468 TRACE("call cancelled\n");
2469 break;
2470 }
2471
2472 if(!httpc->async_data->inet_buffers.dwBufferLength)
2473 break;
2474 memcpy(buf, httpc->async_data->inet_buffers.lpvBuffer,
2475 httpc->async_data->inet_buffers.dwBufferLength);
2476
2477 bytes_left -= httpc->async_data->inet_buffers.dwBufferLength;
2478 buf += httpc->async_data->inet_buffers.dwBufferLength;
2479 }
2480
2481 HeapFree(GetProcessHeap(), 0, httpc->async_data->inet_buffers.lpvBuffer);
2482 httpc->async_data->inet_buffers.lpvBuffer = NULL;
2483
2484 TRACE("%p %p %u -> %u\n", httpc->out_request, buffer, count, status);
2485 return status == RPC_S_OK ? count : -1;
2486 }
2487
2488 static RPC_STATUS rpcrt4_ncacn_http_receive_fragment(RpcConnection *Connection, RpcPktHdr **Header, void **Payload)
2489 {
2490 RpcConnection_http *httpc = (RpcConnection_http *) Connection;
2491 RPC_STATUS status;
2492 DWORD hdr_length;
2493 LONG dwRead;
2494 RpcPktCommonHdr common_hdr;
2495
2496 *Header = NULL;
2497
2498 TRACE("(%p, %p, %p)\n", Connection, Header, Payload);
2499
2500 again:
2501 /* read packet common header */
2502 dwRead = rpcrt4_ncacn_http_read(Connection, &common_hdr, sizeof(common_hdr));
2503 if (dwRead != sizeof(common_hdr)) {
2504 WARN("Short read of header, %d bytes\n", dwRead);
2505 status = RPC_S_PROTOCOL_ERROR;
2506 goto fail;
2507 }
2508 if (!memcmp(&common_hdr, "HTTP/1.1", sizeof("HTTP/1.1")) ||
2509 !memcmp(&common_hdr, "HTTP/1.0", sizeof("HTTP/1.0")))
2510 {
2511 FIXME("server returned %s\n", debugstr_a((const char *)&common_hdr));
2512 status = RPC_S_PROTOCOL_ERROR;
2513 goto fail;
2514 }
2515
2516 status = RPCRT4_ValidateCommonHeader(&common_hdr);
2517 if (status != RPC_S_OK) goto fail;
2518
2519 hdr_length = RPCRT4_GetHeaderSize((RpcPktHdr*)&common_hdr);
2520 if (hdr_length == 0) {
2521 WARN("header length == 0\n");
2522 status = RPC_S_PROTOCOL_ERROR;
2523 goto fail;
2524 }
2525
2526 *Header = HeapAlloc(GetProcessHeap(), 0, hdr_length);
2527 if (!*Header)
2528 {
2529 status = RPC_S_OUT_OF_RESOURCES;
2530 goto fail;
2531 }
2532 memcpy(*Header, &common_hdr, sizeof(common_hdr));
2533
2534 /* read the rest of packet header */
2535 dwRead = rpcrt4_ncacn_http_read(Connection, &(*Header)->common + 1, hdr_length - sizeof(common_hdr));
2536 if (dwRead != hdr_length - sizeof(common_hdr)) {
2537 WARN("bad header length, %d bytes, hdr_length %d\n", dwRead, hdr_length);
2538 status = RPC_S_PROTOCOL_ERROR;
2539 goto fail;
2540 }
2541
2542 if (common_hdr.frag_len - hdr_length)
2543 {
2544 *Payload = HeapAlloc(GetProcessHeap(), 0, common_hdr.frag_len - hdr_length);
2545 if (!*Payload)
2546 {
2547 status = RPC_S_OUT_OF_RESOURCES;
2548 goto fail;
2549 }
2550
2551 dwRead = rpcrt4_ncacn_http_read(Connection, *Payload, common_hdr.frag_len - hdr_length);
2552 if (dwRead != common_hdr.frag_len - hdr_length)
2553 {
2554 WARN("bad data length, %d/%d\n", dwRead, common_hdr.frag_len - hdr_length);
2555 status = RPC_S_PROTOCOL_ERROR;
2556 goto fail;
2557 }
2558 }
2559 else
2560 *Payload = NULL;
2561
2562 if ((*Header)->common.ptype == PKT_HTTP)
2563 {
2564 if (!RPCRT4_IsValidHttpPacket(*Header, *Payload, common_hdr.frag_len - hdr_length))
2565 {
2566 ERR("invalid http packet of length %d bytes\n", (*Header)->common.frag_len);
2567 status = RPC_S_PROTOCOL_ERROR;
2568 goto fail;
2569 }
2570 if ((*Header)->http.flags == 0x0001)
2571 {
2572 TRACE("http idle packet, waiting for real packet\n");
2573 if ((*Header)->http.num_data_items != 0)
2574 {
2575 ERR("HTTP idle packet should have no data items instead of %d\n", (*Header)->http.num_data_items);
2576 status = RPC_S_PROTOCOL_ERROR;
2577 goto fail;
2578 }
2579 }
2580 else if ((*Header)->http.flags == 0x0002)
2581 {
2582 ULONG bytes_transmitted;
2583 ULONG flow_control_increment;
2584 UUID pipe_uuid;
2585 status = RPCRT4_ParseHttpFlowControlHeader(*Header, *Payload,
2586 Connection->server,
2587 &bytes_transmitted,
2588 &flow_control_increment,
2589 &pipe_uuid);
2590 if (status != RPC_S_OK)
2591 goto fail;
2592 TRACE("received http flow control header (0x%x, 0x%x, %s)\n",
2593 bytes_transmitted, flow_control_increment, debugstr_guid(&pipe_uuid));
2594 /* FIXME: do something with parsed data */
2595 }
2596 else
2597 {
2598 FIXME("unrecognised http packet with flags 0x%04x\n", (*Header)->http.flags);
2599 status = RPC_S_PROTOCOL_ERROR;
2600 goto fail;
2601 }
2602 RPCRT4_FreeHeader(*Header);
2603 *Header = NULL;
2604 HeapFree(GetProcessHeap(), 0, *Payload);
2605 *Payload = NULL;
2606 goto again;
2607 }
2608
2609 /* success */
2610 status = RPC_S_OK;
2611
2612 httpc->bytes_received += common_hdr.frag_len;
2613
2614 TRACE("httpc->bytes_received = 0x%x\n", httpc->bytes_received);
2615
2616 if (httpc->bytes_received > httpc->flow_control_mark)
2617 {
2618 RpcPktHdr *hdr = RPCRT4_BuildHttpFlowControlHeader(httpc->common.server,
2619 httpc->bytes_received,
2620 httpc->flow_control_increment,
2621 &httpc->out_pipe_uuid);
2622 if (hdr)
2623 {
2624 DWORD bytes_written;
2625 BOOL ret2;
2626 TRACE("sending flow control packet at 0x%x\n", httpc->bytes_received);
2627 ret2 = InternetWriteFile(httpc->in_request, hdr, hdr->common.frag_len, &bytes_written);
2628 RPCRT4_FreeHeader(hdr);
2629 if (ret2)
2630 httpc->flow_control_mark = httpc->bytes_received + httpc->flow_control_increment / 2;
2631 }
2632 }
2633
2634 fail:
2635 if (status != RPC_S_OK) {
2636 RPCRT4_FreeHeader(*Header);
2637 *Header = NULL;
2638 HeapFree(GetProcessHeap(), 0, *Payload);
2639 *Payload = NULL;
2640 }
2641 return status;
2642 }
2643
2644 static int rpcrt4_ncacn_http_write(RpcConnection *Connection,
2645 const void *buffer, unsigned int count)
2646 {
2647 RpcConnection_http *httpc = (RpcConnection_http *) Connection;
2648 DWORD bytes_written;
2649 BOOL ret;
2650
2651 httpc->last_sent_time = ~0U; /* disable idle packet sending */
2652 ret = InternetWriteFile(httpc->in_request, buffer, count, &bytes_written);
2653 httpc->last_sent_time = GetTickCount();
2654 TRACE("%p %p %u -> %s\n", httpc->in_request, buffer, count, ret ? "TRUE" : "FALSE");
2655 return ret ? bytes_written : -1;
2656 }
2657
2658 static int rpcrt4_ncacn_http_close(RpcConnection *Connection)
2659 {
2660 RpcConnection_http *httpc = (RpcConnection_http *) Connection;
2661
2662 TRACE("\n");
2663
2664 SetEvent(httpc->timer_cancelled);
2665 if (httpc->in_request)
2666 InternetCloseHandle(httpc->in_request);
2667 httpc->in_request = NULL;
2668 if (httpc->out_request)
2669 InternetCloseHandle(httpc->out_request);
2670 httpc->out_request = NULL;
2671 if (httpc->app_info)
2672 InternetCloseHandle(httpc->app_info);
2673 httpc->app_info = NULL;
2674 if (httpc->session)
2675 InternetCloseHandle(httpc->session);
2676 httpc->session = NULL;
2677 RpcHttpAsyncData_Release(httpc->async_data);
2678 if (httpc->cancel_event)
2679 CloseHandle(httpc->cancel_event);
2680
2681 return 0;
2682 }
2683
2684 static void rpcrt4_ncacn_http_cancel_call(RpcConnection *Connection)
2685 {
2686 RpcConnection_http *httpc = (RpcConnection_http *) Connection;
2687
2688 SetEvent(httpc->cancel_event);
2689 }
2690
2691 static int rpcrt4_ncacn_http_wait_for_incoming_data(RpcConnection *Connection)
2692 {
2693 RpcConnection_http *httpc = (RpcConnection_http *) Connection;
2694 BOOL ret;
2695 RPC_STATUS status;
2696
2697 prepare_async_request(httpc->async_data);
2698 ret = InternetQueryDataAvailable(httpc->out_request,
2699 &httpc->async_data->inet_buffers.dwBufferLength, IRF_ASYNC, 0);
2700 status = wait_async_request(httpc->async_data, ret, httpc->cancel_event);
2701 return status == RPC_S_OK ? 0 : -1;
2702 }
2703
2704 static size_t rpcrt4_ncacn_http_get_top_of_tower(unsigned char *tower_data,
2705 const char *networkaddr,
2706 const char *endpoint)
2707 {
2708 return rpcrt4_ip_tcp_get_top_of_tower(tower_data, networkaddr,
2709 EPM_PROTOCOL_HTTP, endpoint);
2710 }
2711
2712 static RPC_STATUS rpcrt4_ncacn_http_parse_top_of_tower(const unsigned char *tower_data,
2713 size_t tower_size,
2714 char **networkaddr,
2715 char **endpoint)
2716 {
2717 return rpcrt4_ip_tcp_parse_top_of_tower(tower_data, tower_size,
2718 networkaddr, EPM_PROTOCOL_HTTP,
2719 endpoint);
2720 }
2721
2722 static const struct connection_ops conn_protseq_list[] = {
2723 { "ncacn_np",
2724 { EPM_PROTOCOL_NCACN, EPM_PROTOCOL_SMB },
2725 rpcrt4_conn_np_alloc,
2726 rpcrt4_ncacn_np_open,
2727 rpcrt4_ncacn_np_handoff,
2728 rpcrt4_conn_np_read,
2729 rpcrt4_conn_np_write,
2730 rpcrt4_conn_np_close,
2731 rpcrt4_conn_np_cancel_call,
2732 rpcrt4_conn_np_wait_for_incoming_data,
2733 rpcrt4_ncacn_np_get_top_of_tower,
2734 rpcrt4_ncacn_np_parse_top_of_tower,
2735 NULL,
2736 RPCRT4_default_is_authorized,
2737 RPCRT4_default_authorize,
2738 RPCRT4_default_secure_packet,
2739 rpcrt4_conn_np_impersonate_client,
2740 rpcrt4_conn_np_revert_to_self,
2741 RPCRT4_default_inquire_auth_client,
2742 },
2743 { "ncalrpc",
2744 { EPM_PROTOCOL_NCALRPC, EPM_PROTOCOL_PIPE },
2745 rpcrt4_conn_np_alloc,
2746 rpcrt4_ncalrpc_open,
2747 rpcrt4_ncalrpc_handoff,
2748 rpcrt4_conn_np_read,
2749 rpcrt4_conn_np_write,
2750 rpcrt4_conn_np_close,
2751 rpcrt4_conn_np_cancel_call,
2752 rpcrt4_conn_np_wait_for_incoming_data,
2753 rpcrt4_ncalrpc_get_top_of_tower,
2754 rpcrt4_ncalrpc_parse_top_of_tower,
2755 NULL,
2756 rpcrt4_ncalrpc_is_authorized,
2757 rpcrt4_ncalrpc_authorize,
2758 rpcrt4_ncalrpc_secure_packet,
2759 rpcrt4_conn_np_impersonate_client,
2760 rpcrt4_conn_np_revert_to_self,
2761 rpcrt4_ncalrpc_inquire_auth_client,
2762 },
2763 { "ncacn_ip_tcp",
2764 { EPM_PROTOCOL_NCACN, EPM_PROTOCOL_TCP },
2765 rpcrt4_conn_tcp_alloc,
2766 rpcrt4_ncacn_ip_tcp_open,
2767 rpcrt4_conn_tcp_handoff,
2768 rpcrt4_conn_tcp_read,
2769 rpcrt4_conn_tcp_write,
2770 rpcrt4_conn_tcp_close,
2771 rpcrt4_conn_tcp_cancel_call,
2772 rpcrt4_conn_tcp_wait_for_incoming_data,
2773 rpcrt4_ncacn_ip_tcp_get_top_of_tower,
2774 rpcrt4_ncacn_ip_tcp_parse_top_of_tower,
2775 NULL,
2776 RPCRT4_default_is_authorized,
2777 RPCRT4_default_authorize,
2778 RPCRT4_default_secure_packet,
2779 RPCRT4_default_impersonate_client,
2780 RPCRT4_default_revert_to_self,
2781 RPCRT4_default_inquire_auth_client,
2782 },
2783 { "ncacn_http",
2784 { EPM_PROTOCOL_NCACN, EPM_PROTOCOL_HTTP },
2785 rpcrt4_ncacn_http_alloc,
2786 rpcrt4_ncacn_http_open,
2787 rpcrt4_ncacn_http_handoff,
2788 rpcrt4_ncacn_http_read,
2789 rpcrt4_ncacn_http_write,
2790 rpcrt4_ncacn_http_close,
2791 rpcrt4_ncacn_http_cancel_call,
2792 rpcrt4_ncacn_http_wait_for_incoming_data,
2793 rpcrt4_ncacn_http_get_top_of_tower,
2794 rpcrt4_ncacn_http_parse_top_of_tower,
2795 rpcrt4_ncacn_http_receive_fragment,
2796 RPCRT4_default_is_authorized,
2797 RPCRT4_default_authorize,
2798 RPCRT4_default_secure_packet,
2799 RPCRT4_default_impersonate_client,
2800 RPCRT4_default_revert_to_self,
2801 RPCRT4_default_inquire_auth_client,
2802 },
2803 };
2804
2805
2806 static const struct protseq_ops protseq_list[] =
2807 {
2808 {
2809 "ncacn_np",
2810 rpcrt4_protseq_np_alloc,
2811 rpcrt4_protseq_np_signal_state_changed,
2812 rpcrt4_protseq_np_get_wait_array,
2813 rpcrt4_protseq_np_free_wait_array,
2814 rpcrt4_protseq_np_wait_for_new_connection,
2815 rpcrt4_protseq_ncacn_np_open_endpoint,
2816 },
2817 {
2818 "ncalrpc",
2819 rpcrt4_protseq_np_alloc,
2820 rpcrt4_protseq_np_signal_state_changed,
2821 rpcrt4_protseq_np_get_wait_array,
2822 rpcrt4_protseq_np_free_wait_array,
2823 rpcrt4_protseq_np_wait_for_new_connection,
2824 rpcrt4_protseq_ncalrpc_open_endpoint,
2825 },
2826 {
2827 "ncacn_ip_tcp",
2828 rpcrt4_protseq_sock_alloc,
2829 rpcrt4_protseq_sock_signal_state_changed,
2830 rpcrt4_protseq_sock_get_wait_array,
2831 rpcrt4_protseq_sock_free_wait_array,
2832 rpcrt4_protseq_sock_wait_for_new_connection,
2833 rpcrt4_protseq_ncacn_ip_tcp_open_endpoint,
2834 },
2835 };
2836
2837 #define ARRAYSIZE(a) (sizeof((a)) / sizeof((a)[0]))
2838
2839 const struct protseq_ops *rpcrt4_get_protseq_ops(const char *protseq)
2840 {
2841 unsigned int i;
2842 for(i=0; i<ARRAYSIZE(protseq_list); i++)
2843 if (!strcmp(protseq_list[i].name, protseq))
2844 return &protseq_list[i];
2845 return NULL;
2846 }
2847
2848 static const struct connection_ops *rpcrt4_get_conn_protseq_ops(const char *protseq)
2849 {
2850 unsigned int i;
2851 for(i=0; i<ARRAYSIZE(conn_protseq_list); i++)
2852 if (!strcmp(conn_protseq_list[i].name, protseq))
2853 return &conn_protseq_list[i];
2854 return NULL;
2855 }
2856
2857 /**** interface to rest of code ****/
2858
2859 RPC_STATUS RPCRT4_OpenClientConnection(RpcConnection* Connection)
2860 {
2861 TRACE("(Connection == ^%p)\n", Connection);
2862
2863 assert(!Connection->server);
2864 return Connection->ops->open_connection_client(Connection);
2865 }
2866
2867 RPC_STATUS RPCRT4_CloseConnection(RpcConnection* Connection)
2868 {
2869 TRACE("(Connection == ^%p)\n", Connection);
2870 if (SecIsValidHandle(&Connection->ctx))
2871 {
2872 DeleteSecurityContext(&Connection->ctx);
2873 SecInvalidateHandle(&Connection->ctx);
2874 }
2875 rpcrt4_conn_close(Connection);
2876 return RPC_S_OK;
2877 }
2878
2879 RPC_STATUS RPCRT4_CreateConnection(RpcConnection** Connection, BOOL server,
2880 LPCSTR Protseq, LPCSTR NetworkAddr, LPCSTR Endpoint,
2881 LPCWSTR NetworkOptions, RpcAuthInfo* AuthInfo, RpcQualityOfService *QOS)
2882 {
2883 static LONG next_id;
2884 const struct connection_ops *ops;
2885 RpcConnection* NewConnection;
2886
2887 ops = rpcrt4_get_conn_protseq_ops(Protseq);
2888 if (!ops)
2889 {
2890 FIXME("not supported for protseq %s\n", Protseq);
2891 return RPC_S_PROTSEQ_NOT_SUPPORTED;
2892 }
2893
2894 NewConnection = ops->alloc();
2895 NewConnection->ref = 1;
2896 NewConnection->Next = NULL;
2897 NewConnection->server_binding = NULL;
2898 NewConnection->server = server;
2899 NewConnection->ops = ops;
2900 NewConnection->NetworkAddr = RPCRT4_strdupA(NetworkAddr);
2901 NewConnection->Endpoint = RPCRT4_strdupA(Endpoint);
2902 NewConnection->NetworkOptions = RPCRT4_strdupW(NetworkOptions);
2903 NewConnection->MaxTransmissionSize = RPC_MAX_PACKET_SIZE;
2904 memset(&NewConnection->ActiveInterface, 0, sizeof(NewConnection->ActiveInterface));
2905 NewConnection->NextCallId = 1;
2906
2907 SecInvalidateHandle(&NewConnection->ctx);
2908 memset(&NewConnection->exp, 0, sizeof(NewConnection->exp));
2909 NewConnection->attr = 0;
2910 if (AuthInfo) RpcAuthInfo_AddRef(AuthInfo);
2911 NewConnection->AuthInfo = AuthInfo;
2912 NewConnection->auth_context_id = InterlockedIncrement( &next_id );
2913 NewConnection->encryption_auth_len = 0;
2914 NewConnection->signature_auth_len = 0;
2915 if (QOS) RpcQualityOfService_AddRef(QOS);
2916 NewConnection->QOS = QOS;
2917
2918 list_init(&NewConnection->conn_pool_entry);
2919 NewConnection->async_state = NULL;
2920
2921 TRACE("connection: %p\n", NewConnection);
2922 *Connection = NewConnection;
2923
2924 return RPC_S_OK;
2925 }
2926
2927 static RPC_STATUS RPCRT4_SpawnConnection(RpcConnection** Connection, RpcConnection* OldConnection)
2928 {
2929 RPC_STATUS err;
2930
2931 err = RPCRT4_CreateConnection(Connection, OldConnection->server,
2932 rpcrt4_conn_get_name(OldConnection),
2933 OldConnection->NetworkAddr,
2934 OldConnection->Endpoint, NULL,
2935 OldConnection->AuthInfo, OldConnection->QOS);
2936 if (err == RPC_S_OK)
2937 rpcrt4_conn_handoff(OldConnection, *Connection);
2938 return err;
2939 }
2940
2941 RpcConnection *RPCRT4_GrabConnection( RpcConnection *conn )
2942 {
2943 InterlockedIncrement( &conn->ref );
2944 return conn;
2945 }
2946
2947 RPC_STATUS RPCRT4_ReleaseConnection(RpcConnection* Connection)
2948 {
2949 if (InterlockedDecrement( &Connection->ref ) > 0) return RPC_S_OK;
2950
2951 TRACE("destroying connection %p\n", Connection);
2952
2953 RPCRT4_CloseConnection(Connection);
2954 RPCRT4_strfree(Connection->Endpoint);
2955 RPCRT4_strfree(Connection->NetworkAddr);
2956 HeapFree(GetProcessHeap(), 0, Connection->NetworkOptions);
2957 if (Connection->AuthInfo) RpcAuthInfo_Release(Connection->AuthInfo);
2958 if (Connection->QOS) RpcQualityOfService_Release(Connection->QOS);
2959
2960 /* server-only */
2961 if (Connection->server_binding) RPCRT4_ReleaseBinding(Connection->server_binding);
2962
2963 HeapFree(GetProcessHeap(), 0, Connection);
2964 return RPC_S_OK;
2965 }
2966
2967 RPC_STATUS RpcTransport_GetTopOfTower(unsigned char *tower_data,
2968 size_t *tower_size,
2969 const char *protseq,
2970 const char *networkaddr,
2971 const char *endpoint)
2972 {
2973 twr_empty_floor_t *protocol_floor;
2974 const struct connection_ops *protseq_ops = rpcrt4_get_conn_protseq_ops(protseq);
2975
2976 *tower_size = 0;
2977
2978 if (!protseq_ops)
2979 return RPC_S_INVALID_RPC_PROTSEQ;
2980
2981 if (!tower_data)
2982 {
2983 *tower_size = sizeof(*protocol_floor);
2984 *tower_size += protseq_ops->get_top_of_tower(NULL, networkaddr, endpoint);
2985 return RPC_S_OK;
2986 }
2987
2988 protocol_floor = (twr_empty_floor_t *)tower_data;
2989 protocol_floor->count_lhs = sizeof(protocol_floor->protid);
2990 protocol_floor->protid = protseq_ops->epm_protocols[0];
2991 protocol_floor->count_rhs = 0;
2992
2993 tower_data += sizeof(*protocol_floor);
2994
2995 *tower_size = protseq_ops->get_top_of_tower(tower_data, networkaddr, endpoint);
2996 if (!*tower_size)
2997 return EPT_S_NOT_REGISTERED;
2998
2999 *tower_size += sizeof(*protocol_floor);
3000
3001 return RPC_S_OK;
3002 }
3003
3004 RPC_STATUS RpcTransport_ParseTopOfTower(const unsigned char *tower_data,
3005 size_t tower_size,
3006 char **protseq,
3007 char **networkaddr,
3008 char **endpoint)
3009 {
3010 const twr_empty_floor_t *protocol_floor;
3011 const twr_empty_floor_t *floor4;
3012 const struct connection_ops *protseq_ops = NULL;
3013 RPC_STATUS status;
3014 unsigned int i;
3015
3016 if (tower_size < sizeof(*protocol_floor))
3017 return EPT_S_NOT_REGISTERED;
3018
3019 protocol_floor = (const twr_empty_floor_t *)tower_data;
3020 tower_data += sizeof(*protocol_floor);
3021 tower_size -= sizeof(*protocol_floor);
3022 if ((protocol_floor->count_lhs != sizeof(protocol_floor->protid)) ||
3023 (protocol_floor->count_rhs > tower_size))
3024 return EPT_S_NOT_REGISTERED;
3025 tower_data += protocol_floor->count_rhs;
3026 tower_size -= protocol_floor->count_rhs;
3027
3028 floor4 = (const twr_empty_floor_t *)tower_data;
3029 if ((tower_size < sizeof(*floor4)) ||
3030 (floor4->count_lhs != sizeof(floor4->protid)))
3031 return EPT_S_NOT_REGISTERED;
3032
3033 for(i = 0; i < ARRAYSIZE(conn_protseq_list); i++)
3034 if ((protocol_floor->protid == conn_protseq_list[i].epm_protocols[0]) &&
3035 (floor4->protid == conn_protseq_list[i].epm_protocols[1]))
3036 {
3037 protseq_ops = &conn_protseq_list[i];
3038 break;
3039 }
3040
3041 if (!protseq_ops)
3042 return EPT_S_NOT_REGISTERED;
3043
3044 status = protseq_ops->parse_top_of_tower(tower_data, tower_size, networkaddr, endpoint);
3045
3046 if ((status == RPC_S_OK) && protseq)
3047 {
3048 *protseq = I_RpcAllocate(strlen(protseq_ops->name) + 1);
3049 strcpy(*protseq, protseq_ops->name);
3050 }
3051
3052 return status;
3053 }
3054
3055 /***********************************************************************
3056 * RpcNetworkIsProtseqValidW (RPCRT4.@)
3057 *
3058 * Checks if the given protocol sequence is known by the RPC system.
3059 * If it is, returns RPC_S_OK, otherwise RPC_S_PROTSEQ_NOT_SUPPORTED.
3060 *
3061 */
3062 RPC_STATUS WINAPI RpcNetworkIsProtseqValidW(RPC_WSTR protseq)
3063 {
3064 char ps[0x10];
3065
3066 WideCharToMultiByte(CP_ACP, 0, protseq, -1,
3067 ps, sizeof ps, NULL, NULL);
3068 if (rpcrt4_get_conn_protseq_ops(ps))
3069 return RPC_S_OK;
3070
3071 FIXME("Unknown protseq %s\n", debugstr_w(protseq));
3072
3073 return RPC_S_INVALID_RPC_PROTSEQ;
3074 }
3075
3076 /***********************************************************************
3077 * RpcNetworkIsProtseqValidA (RPCRT4.@)
3078 */
3079 RPC_STATUS WINAPI RpcNetworkIsProtseqValidA(RPC_CSTR protseq)
3080 {
3081 UNICODE_STRING protseqW;
3082
3083 if (RtlCreateUnicodeStringFromAsciiz(&protseqW, (char*)protseq))
3084 {
3085 RPC_STATUS ret = RpcNetworkIsProtseqValidW(protseqW.Buffer);
3086 RtlFreeUnicodeString(&protseqW);
3087 return ret;
3088 }
3089 return RPC_S_OUT_OF_MEMORY;
3090 }
3091
3092 /***********************************************************************
3093 * RpcProtseqVectorFreeA (RPCRT4.@)
3094 */
3095 RPC_STATUS WINAPI RpcProtseqVectorFreeA(RPC_PROTSEQ_VECTORA **protseqs)
3096 {
3097 TRACE("(%p)\n", protseqs);
3098
3099 if (*protseqs)
3100 {
3101 int i;
3102 for (i = 0; i < (*protseqs)->Count; i++)
3103 HeapFree(GetProcessHeap(), 0, (*protseqs)->Protseq[i]);
3104 HeapFree(GetProcessHeap(), 0, *protseqs);
3105 *protseqs = NULL;
3106 }
3107 return RPC_S_OK;
3108 }
3109
3110 /***********************************************************************
3111 * RpcProtseqVectorFreeW (RPCRT4.@)
3112 */
3113 RPC_STATUS WINAPI RpcProtseqVectorFreeW(RPC_PROTSEQ_VECTORW **protseqs)
3114 {
3115 TRACE("(%p)\n", protseqs);
3116
3117 if (*protseqs)
3118 {
3119 int i;
3120 for (i = 0; i < (*protseqs)->Count; i++)
3121 HeapFree(GetProcessHeap(), 0, (*protseqs)->Protseq[i]);
3122 HeapFree(GetProcessHeap(), 0, *protseqs);
3123 *protseqs = NULL;
3124 }
3125 return RPC_S_OK;
3126 }
3127
3128 /***********************************************************************
3129 * RpcNetworkInqProtseqsW (RPCRT4.@)
3130 */
3131 RPC_STATUS WINAPI RpcNetworkInqProtseqsW( RPC_PROTSEQ_VECTORW** protseqs )
3132 {
3133 RPC_PROTSEQ_VECTORW *pvector;
3134 int i = 0;
3135 RPC_STATUS status = RPC_S_OUT_OF_MEMORY;
3136
3137 TRACE("(%p)\n", protseqs);
3138
3139 *protseqs = HeapAlloc(GetProcessHeap(), 0, sizeof(RPC_PROTSEQ_VECTORW)+(sizeof(unsigned short*)*ARRAYSIZE(protseq_list)));
3140 if (!*protseqs)
3141 goto end;
3142 pvector = *protseqs;
3143 pvector->Count = 0;
3144 for (i = 0; i < ARRAYSIZE(protseq_list); i++)
3145 {
3146 pvector->Protseq[i] = HeapAlloc(GetProcessHeap(), 0, (strlen(protseq_list[i].name)+1)*sizeof(unsigned short));
3147 if (pvector->Protseq[i] == NULL)
3148 goto end;
3149 MultiByteToWideChar(CP_ACP, 0, (CHAR*)protseq_list[i].name, -1,
3150 (WCHAR*)pvector->Protseq[i], strlen(protseq_list[i].name) + 1);
3151 pvector->Count++;
3152 }
3153 status = RPC_S_OK;
3154
3155 end:
3156 if (status != RPC_S_OK)
3157 RpcProtseqVectorFreeW(protseqs);
3158 return status;
3159 }
3160
3161 /***********************************************************************
3162 * RpcNetworkInqProtseqsA (RPCRT4.@)
3163 */
3164 RPC_STATUS WINAPI RpcNetworkInqProtseqsA(RPC_PROTSEQ_VECTORA** protseqs)
3165 {
3166 RPC_PROTSEQ_VECTORA *pvector;
3167 int i = 0;
3168 RPC_STATUS status = RPC_S_OUT_OF_MEMORY;
3169
3170 TRACE("(%p)\n", protseqs);
3171
3172 *protseqs = HeapAlloc(GetProcessHeap(), 0, sizeof(RPC_PROTSEQ_VECTORW)+(sizeof(unsigned char*)*ARRAYSIZE(protseq_list)));
3173 if (!*protseqs)
3174 goto end;
3175 pvector = *protseqs;
3176 pvector->Count = 0;
3177 for (i = 0; i < ARRAYSIZE(protseq_list); i++)
3178 {
3179 pvector->Protseq[i] = HeapAlloc(GetProcessHeap(), 0, strlen(protseq_list[i].name)+1);
3180 if (pvector->Protseq[i] == NULL)
3181 goto end;
3182 strcpy((char*)pvector->Protseq[i], protseq_list[i].name);
3183 pvector->Count++;
3184 }
3185 status = RPC_S_OK;
3186
3187 end:
3188 if (status != RPC_S_OK)
3189 RpcProtseqVectorFreeA(protseqs);
3190 return status;
3191 }
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