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winemaker: Canonicalize directory name if used as target name.
[wine/hacks.git] / dlls / rpcrt4 / rpc_transport.c
blob390a7d4de2211420d7e1ddad6566674a267e85a4
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 OVERLAPPED ovl;
115 BOOL listening;
116 } RpcConnection_np;
117
118 static RpcConnection *rpcrt4_conn_np_alloc(void)
119 {
120 RpcConnection_np *npc = HeapAlloc(GetProcessHeap(), 0, sizeof(RpcConnection_np));
121 if (npc)
122 {
123 npc->pipe = NULL;
124 memset(&npc->ovl, 0, sizeof(npc->ovl));
125 npc->listening = FALSE;
126 }
127 return &npc->common;
128 }
129
130 static RPC_STATUS rpcrt4_conn_listen_pipe(RpcConnection_np *npc)
131 {
132 if (npc->listening)
133 return RPC_S_OK;
134
135 npc->listening = TRUE;
136 for (;;)
137 {
138 if (ConnectNamedPipe(npc->pipe, &npc->ovl))
139 return RPC_S_OK;
140
141 switch(GetLastError())
142 {
143 case ERROR_PIPE_CONNECTED:
144 SetEvent(npc->ovl.hEvent);
145 return RPC_S_OK;
146 case ERROR_IO_PENDING:
147 /* will be completed in rpcrt4_protseq_np_wait_for_new_connection */
148 return RPC_S_OK;
149 case ERROR_NO_DATA_DETECTED:
150 /* client has disconnected, retry */
151 DisconnectNamedPipe( npc->pipe );
152 break;
153 default:
154 npc->listening = FALSE;
155 WARN("Couldn't ConnectNamedPipe (error was %d)\n", GetLastError());
156 return RPC_S_OUT_OF_RESOURCES;
157 }
158 }
159 }
160
161 static RPC_STATUS rpcrt4_conn_create_pipe(RpcConnection *Connection, LPCSTR pname)
162 {
163 RpcConnection_np *npc = (RpcConnection_np *) Connection;
164 TRACE("listening on %s\n", pname);
165
166 npc->pipe = CreateNamedPipeA(pname, PIPE_ACCESS_DUPLEX,
167 PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE,
168 PIPE_UNLIMITED_INSTANCES,
169 RPC_MAX_PACKET_SIZE, RPC_MAX_PACKET_SIZE, 5000, NULL);
170 if (npc->pipe == INVALID_HANDLE_VALUE) {
171 WARN("CreateNamedPipe failed with error %d\n", GetLastError());
172 if (GetLastError() == ERROR_FILE_EXISTS)
173 return RPC_S_DUPLICATE_ENDPOINT;
174 else
175 return RPC_S_CANT_CREATE_ENDPOINT;
176 }
177
178 memset(&npc->ovl, 0, sizeof(npc->ovl));
179 npc->ovl.hEvent = CreateEventW(NULL, TRUE, FALSE, NULL);
180
181 /* Note: we don't call ConnectNamedPipe here because it must be done in the
182 * server thread as the thread must be alertable */
183 return RPC_S_OK;
184 }
185
186 static RPC_STATUS rpcrt4_conn_open_pipe(RpcConnection *Connection, LPCSTR pname, BOOL wait)
187 {
188 RpcConnection_np *npc = (RpcConnection_np *) Connection;
189 HANDLE pipe;
190 DWORD err, dwMode;
191
192 TRACE("connecting to %s\n", pname);
193
194 while (TRUE) {
195 DWORD dwFlags = 0;
196 if (Connection->QOS)
197 {
198 dwFlags = SECURITY_SQOS_PRESENT;
199 switch (Connection->QOS->qos->ImpersonationType)
200 {
201 case RPC_C_IMP_LEVEL_DEFAULT:
202 /* FIXME: what to do here? */
203 break;
204 case RPC_C_IMP_LEVEL_ANONYMOUS:
205 dwFlags |= SECURITY_ANONYMOUS;
206 break;
207 case RPC_C_IMP_LEVEL_IDENTIFY:
208 dwFlags |= SECURITY_IDENTIFICATION;
209 break;
210 case RPC_C_IMP_LEVEL_IMPERSONATE:
211 dwFlags |= SECURITY_IMPERSONATION;
212 break;
213 case RPC_C_IMP_LEVEL_DELEGATE:
214 dwFlags |= SECURITY_DELEGATION;
215 break;
216 }
217 if (Connection->QOS->qos->IdentityTracking == RPC_C_QOS_IDENTIFY_DYNAMIC)
218 dwFlags |= SECURITY_CONTEXT_TRACKING;
219 }
220 pipe = CreateFileA(pname, GENERIC_READ|GENERIC_WRITE, 0, NULL,
221 OPEN_EXISTING, dwFlags, 0);
222 if (pipe != INVALID_HANDLE_VALUE) break;
223 err = GetLastError();
224 if (err == ERROR_PIPE_BUSY) {
225 TRACE("connection failed, error=%x\n", err);
226 return RPC_S_SERVER_TOO_BUSY;
227 }
228 if (!wait || !WaitNamedPipeA(pname, NMPWAIT_WAIT_FOREVER)) {
229 err = GetLastError();
230 WARN("connection failed, error=%x\n", err);
231 return RPC_S_SERVER_UNAVAILABLE;
232 }
233 }
234
235 /* success */
236 memset(&npc->ovl, 0, sizeof(npc->ovl));
237 /* pipe is connected; change to message-read mode. */
238 dwMode = PIPE_READMODE_MESSAGE;
239 SetNamedPipeHandleState(pipe, &dwMode, NULL, NULL);
240 npc->ovl.hEvent = CreateEventW(NULL, TRUE, FALSE, NULL);
241 npc->pipe = pipe;
242
243 return RPC_S_OK;
244 }
245
246 static RPC_STATUS rpcrt4_ncalrpc_open(RpcConnection* Connection)
247 {
248 RpcConnection_np *npc = (RpcConnection_np *) Connection;
249 static const char prefix[] = "\\\\.\\pipe\\lrpc\\";
250 RPC_STATUS r;
251 LPSTR pname;
252
253 /* already connected? */
254 if (npc->pipe)
255 return RPC_S_OK;
256
257 /* protseq=ncalrpc: supposed to use NT LPC ports,
258 * but we'll implement it with named pipes for now */
259 pname = I_RpcAllocate(strlen(prefix) + strlen(Connection->Endpoint) + 1);
260 strcat(strcpy(pname, prefix), Connection->Endpoint);
261 r = rpcrt4_conn_open_pipe(Connection, pname, TRUE);
262 I_RpcFree(pname);
263
264 return r;
265 }
266
267 static RPC_STATUS rpcrt4_protseq_ncalrpc_open_endpoint(RpcServerProtseq* protseq, const char *endpoint)
268 {
269 static const char prefix[] = "\\\\.\\pipe\\lrpc\\";
270 RPC_STATUS r;
271 LPSTR pname;
272 RpcConnection *Connection;
273 char generated_endpoint[22];
274
275 if (!endpoint)
276 {
277 static LONG lrpc_nameless_id;
278 DWORD process_id = GetCurrentProcessId();
279 ULONG id = InterlockedIncrement(&lrpc_nameless_id);
280 snprintf(generated_endpoint, sizeof(generated_endpoint),
281 "LRPC%08x.%08x", process_id, id);
282 endpoint = generated_endpoint;
283 }
284
285 r = RPCRT4_CreateConnection(&Connection, TRUE, protseq->Protseq, NULL,
286 endpoint, NULL, NULL, NULL);
287 if (r != RPC_S_OK)
288 return r;
289
290 /* protseq=ncalrpc: supposed to use NT LPC ports,
291 * but we'll implement it with named pipes for now */
292 pname = I_RpcAllocate(strlen(prefix) + strlen(Connection->Endpoint) + 1);
293 strcat(strcpy(pname, prefix), Connection->Endpoint);
294 r = rpcrt4_conn_create_pipe(Connection, pname);
295 I_RpcFree(pname);
296
297 EnterCriticalSection(&protseq->cs);
298 Connection->Next = protseq->conn;
299 protseq->conn = Connection;
300 LeaveCriticalSection(&protseq->cs);
301
302 return r;
303 }
304
305 static RPC_STATUS rpcrt4_ncacn_np_open(RpcConnection* Connection)
306 {
307 RpcConnection_np *npc = (RpcConnection_np *) Connection;
308 static const char prefix[] = "\\\\.";
309 RPC_STATUS r;
310 LPSTR pname;
311
312 /* already connected? */
313 if (npc->pipe)
314 return RPC_S_OK;
315
316 /* protseq=ncacn_np: named pipes */
317 pname = I_RpcAllocate(strlen(prefix) + strlen(Connection->Endpoint) + 1);
318 strcat(strcpy(pname, prefix), Connection->Endpoint);
319 r = rpcrt4_conn_open_pipe(Connection, pname, FALSE);
320 I_RpcFree(pname);
321
322 return r;
323 }
324
325 static RPC_STATUS rpcrt4_protseq_ncacn_np_open_endpoint(RpcServerProtseq *protseq, const char *endpoint)
326 {
327 static const char prefix[] = "\\\\.";
328 RPC_STATUS r;
329 LPSTR pname;
330 RpcConnection *Connection;
331 char generated_endpoint[21];
332
333 if (!endpoint)
334 {
335 static LONG np_nameless_id;
336 DWORD process_id = GetCurrentProcessId();
337 ULONG id = InterlockedExchangeAdd(&np_nameless_id, 1 );
338 snprintf(generated_endpoint, sizeof(generated_endpoint),
339 "\\\\pipe\\\\%08x.%03x", process_id, id);
340 endpoint = generated_endpoint;
341 }
342
343 r = RPCRT4_CreateConnection(&Connection, TRUE, protseq->Protseq, NULL,
344 endpoint, NULL, NULL, NULL);
345 if (r != RPC_S_OK)
346 return r;
347
348 /* protseq=ncacn_np: named pipes */
349 pname = I_RpcAllocate(strlen(prefix) + strlen(Connection->Endpoint) + 1);
350 strcat(strcpy(pname, prefix), Connection->Endpoint);
351 r = rpcrt4_conn_create_pipe(Connection, pname);
352 I_RpcFree(pname);
353
354 EnterCriticalSection(&protseq->cs);
355 Connection->Next = protseq->conn;
356 protseq->conn = Connection;
357 LeaveCriticalSection(&protseq->cs);
358
359 return r;
360 }
361
362 static void rpcrt4_conn_np_handoff(RpcConnection_np *old_npc, RpcConnection_np *new_npc)
363 {
364 /* because of the way named pipes work, we'll transfer the connected pipe
365 * to the child, then reopen the server binding to continue listening */
366
367 new_npc->pipe = old_npc->pipe;
368 new_npc->ovl = old_npc->ovl;
369 old_npc->pipe = 0;
370 memset(&old_npc->ovl, 0, sizeof(old_npc->ovl));
371 old_npc->listening = FALSE;
372 }
373
374 static RPC_STATUS rpcrt4_ncacn_np_handoff(RpcConnection *old_conn, RpcConnection *new_conn)
375 {
376 RPC_STATUS status;
377 LPSTR pname;
378 static const char prefix[] = "\\\\.";
379
380 rpcrt4_conn_np_handoff((RpcConnection_np *)old_conn, (RpcConnection_np *)new_conn);
381
382 pname = I_RpcAllocate(strlen(prefix) + strlen(old_conn->Endpoint) + 1);
383 strcat(strcpy(pname, prefix), old_conn->Endpoint);
384 status = rpcrt4_conn_create_pipe(old_conn, pname);
385 I_RpcFree(pname);
386
387 return status;
388 }
389
390 static RPC_STATUS rpcrt4_ncalrpc_handoff(RpcConnection *old_conn, RpcConnection *new_conn)
391 {
392 RPC_STATUS status;
393 LPSTR pname;
394 static const char prefix[] = "\\\\.\\pipe\\lrpc\\";
395
396 TRACE("%s\n", old_conn->Endpoint);
397
398 rpcrt4_conn_np_handoff((RpcConnection_np *)old_conn, (RpcConnection_np *)new_conn);
399
400 pname = I_RpcAllocate(strlen(prefix) + strlen(old_conn->Endpoint) + 1);
401 strcat(strcpy(pname, prefix), old_conn->Endpoint);
402 status = rpcrt4_conn_create_pipe(old_conn, pname);
403 I_RpcFree(pname);
404
405 return status;
406 }
407
408 static int rpcrt4_conn_np_read(RpcConnection *Connection,
409 void *buffer, unsigned int count)
410 {
411 RpcConnection_np *npc = (RpcConnection_np *) Connection;
412 char *buf = buffer;
413 BOOL ret = TRUE;
414 unsigned int bytes_left = count;
415
416 while (bytes_left)
417 {
418 DWORD bytes_read;
419 ret = ReadFile(npc->pipe, buf, bytes_left, &bytes_read, NULL);
420 if (!ret && GetLastError() == ERROR_MORE_DATA)
421 ret = TRUE;
422 if (!ret || !bytes_read)
423 break;
424 bytes_left -= bytes_read;
425 buf += bytes_read;
426 }
427 return ret ? count : -1;
428 }
429
430 static int rpcrt4_conn_np_write(RpcConnection *Connection,
431 const void *buffer, unsigned int count)
432 {
433 RpcConnection_np *npc = (RpcConnection_np *) Connection;
434 const char *buf = buffer;
435 BOOL ret = TRUE;
436 unsigned int bytes_left = count;
437
438 while (bytes_left)
439 {
440 DWORD bytes_written;
441 ret = WriteFile(npc->pipe, buf, bytes_left, &bytes_written, NULL);
442 if (!ret || !bytes_written)
443 break;
444 bytes_left -= bytes_written;
445 buf += bytes_written;
446 }
447 return ret ? count : -1;
448 }
449
450 static int rpcrt4_conn_np_close(RpcConnection *Connection)
451 {
452 RpcConnection_np *npc = (RpcConnection_np *) Connection;
453 if (npc->pipe) {
454 FlushFileBuffers(npc->pipe);
455 CloseHandle(npc->pipe);
456 npc->pipe = 0;
457 }
458 if (npc->ovl.hEvent) {
459 CloseHandle(npc->ovl.hEvent);
460 npc->ovl.hEvent = 0;
461 }
462 return 0;
463 }
464
465 static void rpcrt4_conn_np_cancel_call(RpcConnection *Connection)
466 {
467 /* FIXME: implement when named pipe writes use overlapped I/O */
468 }
469
470 static int rpcrt4_conn_np_wait_for_incoming_data(RpcConnection *Connection)
471 {
472 /* FIXME: implement when named pipe writes use overlapped I/O */
473 return -1;
474 }
475
476 static size_t rpcrt4_ncacn_np_get_top_of_tower(unsigned char *tower_data,
477 const char *networkaddr,
478 const char *endpoint)
479 {
480 twr_empty_floor_t *smb_floor;
481 twr_empty_floor_t *nb_floor;
482 size_t size;
483 size_t networkaddr_size;
484 size_t endpoint_size;
485
486 TRACE("(%p, %s, %s)\n", tower_data, networkaddr, endpoint);
487
488 networkaddr_size = networkaddr ? strlen(networkaddr) + 1 : 1;
489 endpoint_size = endpoint ? strlen(endpoint) + 1 : 1;
490 size = sizeof(*smb_floor) + endpoint_size + sizeof(*nb_floor) + networkaddr_size;
491
492 if (!tower_data)
493 return size;
494
495 smb_floor = (twr_empty_floor_t *)tower_data;
496
497 tower_data += sizeof(*smb_floor);
498
499 smb_floor->count_lhs = sizeof(smb_floor->protid);
500 smb_floor->protid = EPM_PROTOCOL_SMB;
501 smb_floor->count_rhs = endpoint_size;
502
503 if (endpoint)
504 memcpy(tower_data, endpoint, endpoint_size);
505 else
506 tower_data[0] = 0;
507 tower_data += endpoint_size;
508
509 nb_floor = (twr_empty_floor_t *)tower_data;
510
511 tower_data += sizeof(*nb_floor);
512
513 nb_floor->count_lhs = sizeof(nb_floor->protid);
514 nb_floor->protid = EPM_PROTOCOL_NETBIOS;
515 nb_floor->count_rhs = networkaddr_size;
516
517 if (networkaddr)
518 memcpy(tower_data, networkaddr, networkaddr_size);
519 else
520 tower_data[0] = 0;
521
522 return size;
523 }
524
525 static RPC_STATUS rpcrt4_ncacn_np_parse_top_of_tower(const unsigned char *tower_data,
526 size_t tower_size,
527 char **networkaddr,
528 char **endpoint)
529 {
530 const twr_empty_floor_t *smb_floor = (const twr_empty_floor_t *)tower_data;
531 const twr_empty_floor_t *nb_floor;
532
533 TRACE("(%p, %d, %p, %p)\n", tower_data, (int)tower_size, networkaddr, endpoint);
534
535 if (tower_size < sizeof(*smb_floor))
536 return EPT_S_NOT_REGISTERED;
537
538 tower_data += sizeof(*smb_floor);
539 tower_size -= sizeof(*smb_floor);
540
541 if ((smb_floor->count_lhs != sizeof(smb_floor->protid)) ||
542 (smb_floor->protid != EPM_PROTOCOL_SMB) ||
543 (smb_floor->count_rhs > tower_size) ||
544 (tower_data[smb_floor->count_rhs - 1] != '\0'))
545 return EPT_S_NOT_REGISTERED;
546
547 if (endpoint)
548 {
549 *endpoint = I_RpcAllocate(smb_floor->count_rhs);
550 if (!*endpoint)
551 return RPC_S_OUT_OF_RESOURCES;
552 memcpy(*endpoint, tower_data, smb_floor->count_rhs);
553 }
554 tower_data += smb_floor->count_rhs;
555 tower_size -= smb_floor->count_rhs;
556
557 if (tower_size < sizeof(*nb_floor))
558 return EPT_S_NOT_REGISTERED;
559
560 nb_floor = (const twr_empty_floor_t *)tower_data;
561
562 tower_data += sizeof(*nb_floor);
563 tower_size -= sizeof(*nb_floor);
564
565 if ((nb_floor->count_lhs != sizeof(nb_floor->protid)) ||
566 (nb_floor->protid != EPM_PROTOCOL_NETBIOS) ||
567 (nb_floor->count_rhs > tower_size) ||
568 (tower_data[nb_floor->count_rhs - 1] != '\0'))
569 return EPT_S_NOT_REGISTERED;
570
571 if (networkaddr)
572 {
573 *networkaddr = I_RpcAllocate(nb_floor->count_rhs);
574 if (!*networkaddr)
575 {
576 if (endpoint)
577 {
578 I_RpcFree(*endpoint);
579 *endpoint = NULL;
580 }
581 return RPC_S_OUT_OF_RESOURCES;
582 }
583 memcpy(*networkaddr, tower_data, nb_floor->count_rhs);
584 }
585
586 return RPC_S_OK;
587 }
588
589 typedef struct _RpcServerProtseq_np
590 {
591 RpcServerProtseq common;
592 HANDLE mgr_event;
593 } RpcServerProtseq_np;
594
595 static RpcServerProtseq *rpcrt4_protseq_np_alloc(void)
596 {
597 RpcServerProtseq_np *ps = HeapAlloc(GetProcessHeap(), 0, sizeof(*ps));
598 if (ps)
599 ps->mgr_event = CreateEventW(NULL, FALSE, FALSE, NULL);
600 return &ps->common;
601 }
602
603 static void rpcrt4_protseq_np_signal_state_changed(RpcServerProtseq *protseq)
604 {
605 RpcServerProtseq_np *npps = CONTAINING_RECORD(protseq, RpcServerProtseq_np, common);
606 SetEvent(npps->mgr_event);
607 }
608
609 static void *rpcrt4_protseq_np_get_wait_array(RpcServerProtseq *protseq, void *prev_array, unsigned int *count)
610 {
611 HANDLE *objs = prev_array;
612 RpcConnection_np *conn;
613 RpcServerProtseq_np *npps = CONTAINING_RECORD(protseq, RpcServerProtseq_np, common);
614
615 EnterCriticalSection(&protseq->cs);
616
617 /* open and count connections */
618 *count = 1;
619 conn = CONTAINING_RECORD(protseq->conn, RpcConnection_np, common);
620 while (conn) {
621 rpcrt4_conn_listen_pipe(conn);
622 if (conn->ovl.hEvent)
623 (*count)++;
624 conn = CONTAINING_RECORD(conn->common.Next, RpcConnection_np, common);
625 }
626
627 /* make array of connections */
628 if (objs)
629 objs = HeapReAlloc(GetProcessHeap(), 0, objs, *count*sizeof(HANDLE));
630 else
631 objs = HeapAlloc(GetProcessHeap(), 0, *count*sizeof(HANDLE));
632 if (!objs)
633 {
634 ERR("couldn't allocate objs\n");
635 LeaveCriticalSection(&protseq->cs);
636 return NULL;
637 }
638
639 objs[0] = npps->mgr_event;
640 *count = 1;
641 conn = CONTAINING_RECORD(protseq->conn, RpcConnection_np, common);
642 while (conn) {
643 if ((objs[*count] = conn->ovl.hEvent))
644 (*count)++;
645 conn = CONTAINING_RECORD(conn->common.Next, RpcConnection_np, common);
646 }
647 LeaveCriticalSection(&protseq->cs);
648 return objs;
649 }
650
651 static void rpcrt4_protseq_np_free_wait_array(RpcServerProtseq *protseq, void *array)
652 {
653 HeapFree(GetProcessHeap(), 0, array);
654 }
655
656 static int rpcrt4_protseq_np_wait_for_new_connection(RpcServerProtseq *protseq, unsigned int count, void *wait_array)
657 {
658 HANDLE b_handle;
659 HANDLE *objs = wait_array;
660 DWORD res;
661 RpcConnection *cconn;
662 RpcConnection_np *conn;
663
664 if (!objs)
665 return -1;
666
667 do
668 {
669 /* an alertable wait isn't strictly necessary, but due to our
670 * overlapped I/O implementation in Wine we need to free some memory
671 * by the file user APC being called, even if no completion routine was
672 * specified at the time of starting the async operation */
673 res = WaitForMultipleObjectsEx(count, objs, FALSE, INFINITE, TRUE);
674 } while (res == WAIT_IO_COMPLETION);
675
676 if (res == WAIT_OBJECT_0)
677 return 0;
678 else if (res == WAIT_FAILED)
679 {
680 ERR("wait failed with error %d\n", GetLastError());
681 return -1;
682 }
683 else
684 {
685 b_handle = objs[res - WAIT_OBJECT_0];
686 /* find which connection got a RPC */
687 EnterCriticalSection(&protseq->cs);
688 conn = CONTAINING_RECORD(protseq->conn, RpcConnection_np, common);
689 while (conn) {
690 if (b_handle == conn->ovl.hEvent) break;
691 conn = CONTAINING_RECORD(conn->common.Next, RpcConnection_np, common);
692 }
693 cconn = NULL;
694 if (conn)
695 RPCRT4_SpawnConnection(&cconn, &conn->common);
696 else
697 ERR("failed to locate connection for handle %p\n", b_handle);
698 LeaveCriticalSection(&protseq->cs);
699 if (cconn)
700 {
701 RPCRT4_new_client(cconn);
702 return 1;
703 }
704 else return -1;
705 }
706 }
707
708 static size_t rpcrt4_ncalrpc_get_top_of_tower(unsigned char *tower_data,
709 const char *networkaddr,
710 const char *endpoint)
711 {
712 twr_empty_floor_t *pipe_floor;
713 size_t size;
714 size_t endpoint_size;
715
716 TRACE("(%p, %s, %s)\n", tower_data, networkaddr, endpoint);
717
718 endpoint_size = strlen(endpoint) + 1;
719 size = sizeof(*pipe_floor) + endpoint_size;
720
721 if (!tower_data)
722 return size;
723
724 pipe_floor = (twr_empty_floor_t *)tower_data;
725
726 tower_data += sizeof(*pipe_floor);
727
728 pipe_floor->count_lhs = sizeof(pipe_floor->protid);
729 pipe_floor->protid = EPM_PROTOCOL_PIPE;
730 pipe_floor->count_rhs = endpoint_size;
731
732 memcpy(tower_data, endpoint, endpoint_size);
733
734 return size;
735 }
736
737 static RPC_STATUS rpcrt4_ncalrpc_parse_top_of_tower(const unsigned char *tower_data,
738 size_t tower_size,
739 char **networkaddr,
740 char **endpoint)
741 {
742 const twr_empty_floor_t *pipe_floor = (const twr_empty_floor_t *)tower_data;
743
744 TRACE("(%p, %d, %p, %p)\n", tower_data, (int)tower_size, networkaddr, endpoint);
745
746 if (tower_size < sizeof(*pipe_floor))
747 return EPT_S_NOT_REGISTERED;
748
749 tower_data += sizeof(*pipe_floor);
750 tower_size -= sizeof(*pipe_floor);
751
752 if ((pipe_floor->count_lhs != sizeof(pipe_floor->protid)) ||
753 (pipe_floor->protid != EPM_PROTOCOL_PIPE) ||
754 (pipe_floor->count_rhs > tower_size) ||
755 (tower_data[pipe_floor->count_rhs - 1] != '\0'))
756 return EPT_S_NOT_REGISTERED;
757
758 if (networkaddr)
759 *networkaddr = NULL;
760
761 if (endpoint)
762 {
763 *endpoint = I_RpcAllocate(pipe_floor->count_rhs);
764 if (!*endpoint)
765 return RPC_S_OUT_OF_RESOURCES;
766 memcpy(*endpoint, tower_data, pipe_floor->count_rhs);
767 }
768
769 return RPC_S_OK;
770 }
771
772 /**** ncacn_ip_tcp support ****/
773
774 static size_t rpcrt4_ip_tcp_get_top_of_tower(unsigned char *tower_data,
775 const char *networkaddr,
776 unsigned char tcp_protid,
777 const char *endpoint)
778 {
779 twr_tcp_floor_t *tcp_floor;
780 twr_ipv4_floor_t *ipv4_floor;
781 struct addrinfo *ai;
782 struct addrinfo hints;
783 int ret;
784 size_t size = sizeof(*tcp_floor) + sizeof(*ipv4_floor);
785
786 TRACE("(%p, %s, %s)\n", tower_data, networkaddr, endpoint);
787
788 if (!tower_data)
789 return size;
790
791 tcp_floor = (twr_tcp_floor_t *)tower_data;
792 tower_data += sizeof(*tcp_floor);
793
794 ipv4_floor = (twr_ipv4_floor_t *)tower_data;
795
796 tcp_floor->count_lhs = sizeof(tcp_floor->protid);
797 tcp_floor->protid = tcp_protid;
798 tcp_floor->count_rhs = sizeof(tcp_floor->port);
799
800 ipv4_floor->count_lhs = sizeof(ipv4_floor->protid);
801 ipv4_floor->protid = EPM_PROTOCOL_IP;
802 ipv4_floor->count_rhs = sizeof(ipv4_floor->ipv4addr);
803
804 hints.ai_flags = AI_NUMERICHOST;
805 /* FIXME: only support IPv4 at the moment. how is IPv6 represented by the EPM? */
806 hints.ai_family = PF_INET;
807 hints.ai_socktype = SOCK_STREAM;
808 hints.ai_protocol = IPPROTO_TCP;
809 hints.ai_addrlen = 0;
810 hints.ai_addr = NULL;
811 hints.ai_canonname = NULL;
812 hints.ai_next = NULL;
813
814 ret = getaddrinfo(networkaddr, endpoint, &hints, &ai);
815 if (ret)
816 {
817 ret = getaddrinfo("0.0.0.0", endpoint, &hints, &ai);
818 if (ret)
819 {
820 ERR("getaddrinfo failed: %s\n", gai_strerror(ret));
821 return 0;
822 }
823 }
824
825 if (ai->ai_family == PF_INET)
826 {
827 const struct sockaddr_in *sin = (const struct sockaddr_in *)ai->ai_addr;
828 tcp_floor->port = sin->sin_port;
829 ipv4_floor->ipv4addr = sin->sin_addr.s_addr;
830 }
831 else
832 {
833 ERR("unexpected protocol family %d\n", ai->ai_family);
834 return 0;
835 }
836
837 freeaddrinfo(ai);
838
839 return size;
840 }
841
842 static RPC_STATUS rpcrt4_ip_tcp_parse_top_of_tower(const unsigned char *tower_data,
843 size_t tower_size,
844 char **networkaddr,
845 unsigned char tcp_protid,
846 char **endpoint)
847 {
848 const twr_tcp_floor_t *tcp_floor = (const twr_tcp_floor_t *)tower_data;
849 const twr_ipv4_floor_t *ipv4_floor;
850 struct in_addr in_addr;
851
852 TRACE("(%p, %d, %p, %p)\n", tower_data, (int)tower_size, networkaddr, endpoint);
853
854 if (tower_size < sizeof(*tcp_floor))
855 return EPT_S_NOT_REGISTERED;
856
857 tower_data += sizeof(*tcp_floor);
858 tower_size -= sizeof(*tcp_floor);
859
860 if (tower_size < sizeof(*ipv4_floor))
861 return EPT_S_NOT_REGISTERED;
862
863 ipv4_floor = (const twr_ipv4_floor_t *)tower_data;
864
865 if ((tcp_floor->count_lhs != sizeof(tcp_floor->protid)) ||
866 (tcp_floor->protid != tcp_protid) ||
867 (tcp_floor->count_rhs != sizeof(tcp_floor->port)) ||
868 (ipv4_floor->count_lhs != sizeof(ipv4_floor->protid)) ||
869 (ipv4_floor->protid != EPM_PROTOCOL_IP) ||
870 (ipv4_floor->count_rhs != sizeof(ipv4_floor->ipv4addr)))
871 return EPT_S_NOT_REGISTERED;
872
873 if (endpoint)
874 {
875 *endpoint = I_RpcAllocate(6 /* sizeof("65535") + 1 */);
876 if (!*endpoint)
877 return RPC_S_OUT_OF_RESOURCES;
878 sprintf(*endpoint, "%u", ntohs(tcp_floor->port));
879 }
880
881 if (networkaddr)
882 {
883 *networkaddr = I_RpcAllocate(INET_ADDRSTRLEN);
884 if (!*networkaddr)
885 {
886 if (endpoint)
887 {
888 I_RpcFree(*endpoint);
889 *endpoint = NULL;
890 }
891 return RPC_S_OUT_OF_RESOURCES;
892 }
893 in_addr.s_addr = ipv4_floor->ipv4addr;
894 if (!inet_ntop(AF_INET, &in_addr, *networkaddr, INET_ADDRSTRLEN))
895 {
896 ERR("inet_ntop: %s\n", strerror(errno));
897 I_RpcFree(*networkaddr);
898 *networkaddr = NULL;
899 if (endpoint)
900 {
901 I_RpcFree(*endpoint);
902 *endpoint = NULL;
903 }
904 return EPT_S_NOT_REGISTERED;
905 }
906 }
907
908 return RPC_S_OK;
909 }
910
911 typedef struct _RpcConnection_tcp
912 {
913 RpcConnection common;
914 int sock;
915 #ifdef HAVE_SOCKETPAIR
916 int cancel_fds[2];
917 #else
918 HANDLE sock_event;
919 HANDLE cancel_event;
920 #endif
921 } RpcConnection_tcp;
922
923 #ifdef HAVE_SOCKETPAIR
924
925 static BOOL rpcrt4_sock_wait_init(RpcConnection_tcp *tcpc)
926 {
927 if (socketpair(PF_UNIX, SOCK_STREAM, 0, tcpc->cancel_fds) < 0)
928 {
929 ERR("socketpair() failed: %s\n", strerror(errno));
930 return FALSE;
931 }
932 return TRUE;
933 }
934
935 static BOOL rpcrt4_sock_wait_for_recv(RpcConnection_tcp *tcpc)
936 {
937 struct pollfd pfds[2];
938 pfds[0].fd = tcpc->sock;
939 pfds[0].events = POLLIN;
940 pfds[1].fd = tcpc->cancel_fds[0];
941 pfds[1].events = POLLIN;
942 if (poll(pfds, 2, -1 /* infinite */) == -1 && errno != EINTR)
943 {
944 ERR("poll() failed: %s\n", strerror(errno));
945 return FALSE;
946 }
947 if (pfds[1].revents & POLLIN) /* canceled */
948 {
949 char dummy;
950 read(pfds[1].fd, &dummy, sizeof(dummy));
951 return FALSE;
952 }
953 return TRUE;
954 }
955
956 static BOOL rpcrt4_sock_wait_for_send(RpcConnection_tcp *tcpc)
957 {
958 struct pollfd pfd;
959 pfd.fd = tcpc->sock;
960 pfd.events = POLLOUT;
961 if (poll(&pfd, 1, -1 /* infinite */) == -1 && errno != EINTR)
962 {
963 ERR("poll() failed: %s\n", strerror(errno));
964 return FALSE;
965 }
966 return TRUE;
967 }
968
969 static void rpcrt4_sock_wait_cancel(RpcConnection_tcp *tcpc)
970 {
971 char dummy = 1;
972
973 write(tcpc->cancel_fds[1], &dummy, 1);
974 }
975
976 static void rpcrt4_sock_wait_destroy(RpcConnection_tcp *tcpc)
977 {
978 close(tcpc->cancel_fds[0]);
979 close(tcpc->cancel_fds[1]);
980 }
981
982 #else /* HAVE_SOCKETPAIR */
983
984 static BOOL rpcrt4_sock_wait_init(RpcConnection_tcp *tcpc)
985 {
986 static BOOL wsa_inited;
987 if (!wsa_inited)
988 {
989 WSADATA wsadata;
990 WSAStartup(MAKEWORD(2, 2), &wsadata);
991 /* Note: WSAStartup can be called more than once so we don't bother with
992 * making accesses to wsa_inited thread-safe */
993 wsa_inited = TRUE;
994 }
995 tcpc->sock_event = CreateEventW(NULL, FALSE, FALSE, NULL);
996 tcpc->cancel_event = CreateEventW(NULL, FALSE, FALSE, NULL);
997 if (!tcpc->sock_event || !tcpc->cancel_event)
998 {
999 ERR("event creation failed\n");
1000 if (tcpc->sock_event) CloseHandle(tcpc->sock_event);
1001 return FALSE;
1002 }
1003 return TRUE;
1004 }
1005
1006 static BOOL rpcrt4_sock_wait_for_recv(RpcConnection_tcp *tcpc)
1007 {
1008 HANDLE wait_handles[2];
1009 DWORD res;
1010 if (WSAEventSelect(tcpc->sock, tcpc->sock_event, FD_READ | FD_CLOSE) == SOCKET_ERROR)
1011 {
1012 ERR("WSAEventSelect() failed with error %d\n", WSAGetLastError());
1013 return FALSE;
1014 }
1015 wait_handles[0] = tcpc->sock_event;
1016 wait_handles[1] = tcpc->cancel_event;
1017 res = WaitForMultipleObjects(2, wait_handles, FALSE, INFINITE);
1018 switch (res)
1019 {
1020 case WAIT_OBJECT_0:
1021 return TRUE;
1022 case WAIT_OBJECT_0 + 1:
1023 return FALSE;
1024 default:
1025 ERR("WaitForMultipleObjects() failed with error %d\n", GetLastError());
1026 return FALSE;
1027 }
1028 }
1029
1030 static BOOL rpcrt4_sock_wait_for_send(RpcConnection_tcp *tcpc)
1031 {
1032 DWORD res;
1033 if (WSAEventSelect(tcpc->sock, tcpc->sock_event, FD_WRITE | FD_CLOSE) == SOCKET_ERROR)
1034 {
1035 ERR("WSAEventSelect() failed with error %d\n", WSAGetLastError());
1036 return FALSE;
1037 }
1038 res = WaitForSingleObject(tcpc->sock_event, INFINITE);
1039 switch (res)
1040 {
1041 case WAIT_OBJECT_0:
1042 return TRUE;
1043 default:
1044 ERR("WaitForMultipleObjects() failed with error %d\n", GetLastError());
1045 return FALSE;
1046 }
1047 }
1048
1049 static void rpcrt4_sock_wait_cancel(RpcConnection_tcp *tcpc)
1050 {
1051 SetEvent(tcpc->cancel_event);
1052 }
1053
1054 static void rpcrt4_sock_wait_destroy(RpcConnection_tcp *tcpc)
1055 {
1056 CloseHandle(tcpc->sock_event);
1057 CloseHandle(tcpc->cancel_event);
1058 }
1059
1060 #endif
1061
1062 static RpcConnection *rpcrt4_conn_tcp_alloc(void)
1063 {
1064 RpcConnection_tcp *tcpc;
1065 tcpc = HeapAlloc(GetProcessHeap(), 0, sizeof(RpcConnection_tcp));
1066 if (tcpc == NULL)
1067 return NULL;
1068 tcpc->sock = -1;
1069 if (!rpcrt4_sock_wait_init(tcpc))
1070 {
1071 HeapFree(GetProcessHeap(), 0, tcpc);
1072 return NULL;
1073 }
1074 return &tcpc->common;
1075 }
1076
1077 static RPC_STATUS rpcrt4_ncacn_ip_tcp_open(RpcConnection* Connection)
1078 {
1079 RpcConnection_tcp *tcpc = (RpcConnection_tcp *) Connection;
1080 int sock;
1081 int ret;
1082 struct addrinfo *ai;
1083 struct addrinfo *ai_cur;
1084 struct addrinfo hints;
1085
1086 TRACE("(%s, %s)\n", Connection->NetworkAddr, Connection->Endpoint);
1087
1088 if (tcpc->sock != -1)
1089 return RPC_S_OK;
1090
1091 hints.ai_flags = 0;
1092 hints.ai_family = PF_UNSPEC;
1093 hints.ai_socktype = SOCK_STREAM;
1094 hints.ai_protocol = IPPROTO_TCP;
1095 hints.ai_addrlen = 0;
1096 hints.ai_addr = NULL;
1097 hints.ai_canonname = NULL;
1098 hints.ai_next = NULL;
1099
1100 ret = getaddrinfo(Connection->NetworkAddr, Connection->Endpoint, &hints, &ai);
1101 if (ret)
1102 {
1103 ERR("getaddrinfo for %s:%s failed: %s\n", Connection->NetworkAddr,
1104 Connection->Endpoint, gai_strerror(ret));
1105 return RPC_S_SERVER_UNAVAILABLE;
1106 }
1107
1108 for (ai_cur = ai; ai_cur; ai_cur = ai_cur->ai_next)
1109 {
1110 int val;
1111 u_long nonblocking;
1112
1113 if (ai_cur->ai_family != AF_INET && ai_cur->ai_family != AF_INET6)
1114 {
1115 TRACE("skipping non-IP/IPv6 address family\n");
1116 continue;
1117 }
1118
1119 if (TRACE_ON(rpc))
1120 {
1121 char host[256];
1122 char service[256];
1123 getnameinfo(ai_cur->ai_addr, ai_cur->ai_addrlen,
1124 host, sizeof(host), service, sizeof(service),
1125 NI_NUMERICHOST | NI_NUMERICSERV);
1126 TRACE("trying %s:%s\n", host, service);
1127 }
1128
1129 sock = socket(ai_cur->ai_family, ai_cur->ai_socktype, ai_cur->ai_protocol);
1130 if (sock == -1)
1131 {
1132 WARN("socket() failed: %s\n", strerror(errno));
1133 continue;
1134 }
1135
1136 if (0>connect(sock, ai_cur->ai_addr, ai_cur->ai_addrlen))
1137 {
1138 WARN("connect() failed: %s\n", strerror(errno));
1139 closesocket(sock);
1140 continue;
1141 }
1142
1143 /* RPC depends on having minimal latency so disable the Nagle algorithm */
1144 val = 1;
1145 setsockopt(sock, SOL_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
1146 nonblocking = 1;
1147 ioctlsocket(sock, FIONBIO, &nonblocking);
1148
1149 tcpc->sock = sock;
1150
1151 freeaddrinfo(ai);
1152 TRACE("connected\n");
1153 return RPC_S_OK;
1154 }
1155
1156 freeaddrinfo(ai);
1157 ERR("couldn't connect to %s:%s\n", Connection->NetworkAddr, Connection->Endpoint);
1158 return RPC_S_SERVER_UNAVAILABLE;
1159 }
1160
1161 static RPC_STATUS rpcrt4_protseq_ncacn_ip_tcp_open_endpoint(RpcServerProtseq *protseq, const char *endpoint)
1162 {
1163 RPC_STATUS status = RPC_S_CANT_CREATE_ENDPOINT;
1164 int sock;
1165 int ret;
1166 struct addrinfo *ai;
1167 struct addrinfo *ai_cur;
1168 struct addrinfo hints;
1169 RpcConnection *first_connection = NULL;
1170
1171 TRACE("(%p, %s)\n", protseq, endpoint);
1172
1173 hints.ai_flags = AI_PASSIVE /* for non-localhost addresses */;
1174 hints.ai_family = PF_UNSPEC;
1175 hints.ai_socktype = SOCK_STREAM;
1176 hints.ai_protocol = IPPROTO_TCP;
1177 hints.ai_addrlen = 0;
1178 hints.ai_addr = NULL;
1179 hints.ai_canonname = NULL;
1180 hints.ai_next = NULL;
1181
1182 ret = getaddrinfo(NULL, endpoint ? endpoint : "0", &hints, &ai);
1183 if (ret)
1184 {
1185 ERR("getaddrinfo for port %s failed: %s\n", endpoint,
1186 gai_strerror(ret));
1187 if ((ret == EAI_SERVICE) || (ret == EAI_NONAME))
1188 return RPC_S_INVALID_ENDPOINT_FORMAT;
1189 return RPC_S_CANT_CREATE_ENDPOINT;
1190 }
1191
1192 for (ai_cur = ai; ai_cur; ai_cur = ai_cur->ai_next)
1193 {
1194 RpcConnection_tcp *tcpc;
1195 RPC_STATUS create_status;
1196 struct sockaddr_storage sa;
1197 socklen_t sa_len;
1198 char service[NI_MAXSERV];
1199 u_long nonblocking;
1200
1201 if (ai_cur->ai_family != AF_INET && ai_cur->ai_family != AF_INET6)
1202 {
1203 TRACE("skipping non-IP/IPv6 address family\n");
1204 continue;
1205 }
1206
1207 if (TRACE_ON(rpc))
1208 {
1209 char host[256];
1210 getnameinfo(ai_cur->ai_addr, ai_cur->ai_addrlen,
1211 host, sizeof(host), service, sizeof(service),
1212 NI_NUMERICHOST | NI_NUMERICSERV);
1213 TRACE("trying %s:%s\n", host, service);
1214 }
1215
1216 sock = socket(ai_cur->ai_family, ai_cur->ai_socktype, ai_cur->ai_protocol);
1217 if (sock == -1)
1218 {
1219 WARN("socket() failed: %s\n", strerror(errno));
1220 status = RPC_S_CANT_CREATE_ENDPOINT;
1221 continue;
1222 }
1223
1224 ret = bind(sock, ai_cur->ai_addr, ai_cur->ai_addrlen);
1225 if (ret < 0)
1226 {
1227 WARN("bind failed: %s\n", strerror(errno));
1228 closesocket(sock);
1229 if (errno == EADDRINUSE)
1230 status = RPC_S_DUPLICATE_ENDPOINT;
1231 else
1232 status = RPC_S_CANT_CREATE_ENDPOINT;
1233 continue;
1234 }
1235
1236 sa_len = sizeof(sa);
1237 if (getsockname(sock, (struct sockaddr *)&sa, &sa_len))
1238 {
1239 WARN("getsockname() failed: %s\n", strerror(errno));
1240 status = RPC_S_CANT_CREATE_ENDPOINT;
1241 continue;
1242 }
1243
1244 ret = getnameinfo((struct sockaddr *)&sa, sa_len,
1245 NULL, 0, service, sizeof(service),
1246 NI_NUMERICSERV);
1247 if (ret)
1248 {
1249 WARN("getnameinfo failed: %s\n", gai_strerror(ret));
1250 status = RPC_S_CANT_CREATE_ENDPOINT;
1251 continue;
1252 }
1253
1254 create_status = RPCRT4_CreateConnection((RpcConnection **)&tcpc, TRUE,
1255 protseq->Protseq, NULL,
1256 service, NULL, NULL, NULL);
1257 if (create_status != RPC_S_OK)
1258 {
1259 closesocket(sock);
1260 status = create_status;
1261 continue;
1262 }
1263
1264 tcpc->sock = sock;
1265 ret = listen(sock, protseq->MaxCalls);
1266 if (ret < 0)
1267 {
1268 WARN("listen failed: %s\n", strerror(errno));
1269 RPCRT4_DestroyConnection(&tcpc->common);
1270 status = RPC_S_OUT_OF_RESOURCES;
1271 continue;
1272 }
1273 /* need a non-blocking socket, otherwise accept() has a potential
1274 * race-condition (poll() says it is readable, connection drops,
1275 * and accept() blocks until the next connection comes...)
1276 */
1277 nonblocking = 1;
1278 ret = ioctlsocket(sock, FIONBIO, &nonblocking);
1279 if (ret < 0)
1280 {
1281 WARN("couldn't make socket non-blocking, error %d\n", ret);
1282 RPCRT4_DestroyConnection(&tcpc->common);
1283 status = RPC_S_OUT_OF_RESOURCES;
1284 continue;
1285 }
1286
1287 tcpc->common.Next = first_connection;
1288 first_connection = &tcpc->common;
1289
1290 /* since IPv4 and IPv6 share the same port space, we only need one
1291 * successful bind to listen for both */
1292 break;
1293 }
1294
1295 freeaddrinfo(ai);
1296
1297 /* if at least one connection was created for an endpoint then
1298 * return success */
1299 if (first_connection)
1300 {
1301 RpcConnection *conn;
1302
1303 /* find last element in list */
1304 for (conn = first_connection; conn->Next; conn = conn->Next)
1305 ;
1306
1307 EnterCriticalSection(&protseq->cs);
1308 conn->Next = protseq->conn;
1309 protseq->conn = first_connection;
1310 LeaveCriticalSection(&protseq->cs);
1311
1312 TRACE("listening on %s\n", endpoint);
1313 return RPC_S_OK;
1314 }
1315
1316 ERR("couldn't listen on port %s\n", endpoint);
1317 return status;
1318 }
1319
1320 static RPC_STATUS rpcrt4_conn_tcp_handoff(RpcConnection *old_conn, RpcConnection *new_conn)
1321 {
1322 int ret;
1323 struct sockaddr_in address;
1324 socklen_t addrsize;
1325 RpcConnection_tcp *server = (RpcConnection_tcp*) old_conn;
1326 RpcConnection_tcp *client = (RpcConnection_tcp*) new_conn;
1327 u_long nonblocking;
1328
1329 addrsize = sizeof(address);
1330 ret = accept(server->sock, (struct sockaddr*) &address, &addrsize);
1331 if (ret < 0)
1332 {
1333 ERR("Failed to accept a TCP connection: error %d\n", ret);
1334 return RPC_S_OUT_OF_RESOURCES;
1335 }
1336 nonblocking = 1;
1337 ioctlsocket(ret, FIONBIO, &nonblocking);
1338 client->sock = ret;
1339 TRACE("Accepted a new TCP connection\n");
1340 return RPC_S_OK;
1341 }
1342
1343 static int rpcrt4_conn_tcp_read(RpcConnection *Connection,
1344 void *buffer, unsigned int count)
1345 {
1346 RpcConnection_tcp *tcpc = (RpcConnection_tcp *) Connection;
1347 int bytes_read = 0;
1348 do
1349 {
1350 int r = recv(tcpc->sock, (char *)buffer + bytes_read, count - bytes_read, 0);
1351 if (!r)
1352 return -1;
1353 else if (r > 0)
1354 bytes_read += r;
1355 else if (errno != EAGAIN)
1356 {
1357 WARN("recv() failed: %s\n", strerror(errno));
1358 return -1;
1359 }
1360 else
1361 {
1362 if (!rpcrt4_sock_wait_for_recv(tcpc))
1363 return -1;
1364 }
1365 } while (bytes_read != count);
1366 TRACE("%d %p %u -> %d\n", tcpc->sock, buffer, count, bytes_read);
1367 return bytes_read;
1368 }
1369
1370 static int rpcrt4_conn_tcp_write(RpcConnection *Connection,
1371 const void *buffer, unsigned int count)
1372 {
1373 RpcConnection_tcp *tcpc = (RpcConnection_tcp *) Connection;
1374 int bytes_written = 0;
1375 do
1376 {
1377 int r = send(tcpc->sock, (const char *)buffer + bytes_written, count - bytes_written, 0);
1378 if (r >= 0)
1379 bytes_written += r;
1380 else if (errno != EAGAIN)
1381 return -1;
1382 else
1383 {
1384 if (!rpcrt4_sock_wait_for_send(tcpc))
1385 return -1;
1386 }
1387 } while (bytes_written != count);
1388 TRACE("%d %p %u -> %d\n", tcpc->sock, buffer, count, bytes_written);
1389 return bytes_written;
1390 }
1391
1392 static int rpcrt4_conn_tcp_close(RpcConnection *Connection)
1393 {
1394 RpcConnection_tcp *tcpc = (RpcConnection_tcp *) Connection;
1395
1396 TRACE("%d\n", tcpc->sock);
1397
1398 if (tcpc->sock != -1)
1399 closesocket(tcpc->sock);
1400 tcpc->sock = -1;
1401 rpcrt4_sock_wait_destroy(tcpc);
1402 return 0;
1403 }
1404
1405 static void rpcrt4_conn_tcp_cancel_call(RpcConnection *Connection)
1406 {
1407 RpcConnection_tcp *tcpc = (RpcConnection_tcp *) Connection;
1408 TRACE("%p\n", Connection);
1409 rpcrt4_sock_wait_cancel(tcpc);
1410 }
1411
1412 static int rpcrt4_conn_tcp_wait_for_incoming_data(RpcConnection *Connection)
1413 {
1414 RpcConnection_tcp *tcpc = (RpcConnection_tcp *) Connection;
1415
1416 TRACE("%p\n", Connection);
1417
1418 if (!rpcrt4_sock_wait_for_recv(tcpc))
1419 return -1;
1420 return 0;
1421 }
1422
1423 static size_t rpcrt4_ncacn_ip_tcp_get_top_of_tower(unsigned char *tower_data,
1424 const char *networkaddr,
1425 const char *endpoint)
1426 {
1427 return rpcrt4_ip_tcp_get_top_of_tower(tower_data, networkaddr,
1428 EPM_PROTOCOL_TCP, endpoint);
1429 }
1430
1431 #ifdef HAVE_SOCKETPAIR
1432
1433 typedef struct _RpcServerProtseq_sock
1434 {
1435 RpcServerProtseq common;
1436 int mgr_event_rcv;
1437 int mgr_event_snd;
1438 } RpcServerProtseq_sock;
1439
1440 static RpcServerProtseq *rpcrt4_protseq_sock_alloc(void)
1441 {
1442 RpcServerProtseq_sock *ps = HeapAlloc(GetProcessHeap(), 0, sizeof(*ps));
1443 if (ps)
1444 {
1445 int fds[2];
1446 if (!socketpair(PF_UNIX, SOCK_DGRAM, 0, fds))
1447 {
1448 fcntl(fds[0], F_SETFL, O_NONBLOCK);
1449 fcntl(fds[1], F_SETFL, O_NONBLOCK);
1450 ps->mgr_event_rcv = fds[0];
1451 ps->mgr_event_snd = fds[1];
1452 }
1453 else
1454 {
1455 ERR("socketpair failed with error %s\n", strerror(errno));
1456 HeapFree(GetProcessHeap(), 0, ps);
1457 return NULL;
1458 }
1459 }
1460 return &ps->common;
1461 }
1462
1463 static void rpcrt4_protseq_sock_signal_state_changed(RpcServerProtseq *protseq)
1464 {
1465 RpcServerProtseq_sock *sockps = CONTAINING_RECORD(protseq, RpcServerProtseq_sock, common);
1466 char dummy = 1;
1467 write(sockps->mgr_event_snd, &dummy, sizeof(dummy));
1468 }
1469
1470 static void *rpcrt4_protseq_sock_get_wait_array(RpcServerProtseq *protseq, void *prev_array, unsigned int *count)
1471 {
1472 struct pollfd *poll_info = prev_array;
1473 RpcConnection_tcp *conn;
1474 RpcServerProtseq_sock *sockps = CONTAINING_RECORD(protseq, RpcServerProtseq_sock, common);
1475
1476 EnterCriticalSection(&protseq->cs);
1477
1478 /* open and count connections */
1479 *count = 1;
1480 conn = (RpcConnection_tcp *)protseq->conn;
1481 while (conn) {
1482 if (conn->sock != -1)
1483 (*count)++;
1484 conn = (RpcConnection_tcp *)conn->common.Next;
1485 }
1486
1487 /* make array of connections */
1488 if (poll_info)
1489 poll_info = HeapReAlloc(GetProcessHeap(), 0, poll_info, *count*sizeof(*poll_info));
1490 else
1491 poll_info = HeapAlloc(GetProcessHeap(), 0, *count*sizeof(*poll_info));
1492 if (!poll_info)
1493 {
1494 ERR("couldn't allocate poll_info\n");
1495 LeaveCriticalSection(&protseq->cs);
1496 return NULL;
1497 }
1498
1499 poll_info[0].fd = sockps->mgr_event_rcv;
1500 poll_info[0].events = POLLIN;
1501 *count = 1;
1502 conn = CONTAINING_RECORD(protseq->conn, RpcConnection_tcp, common);
1503 while (conn) {
1504 if (conn->sock != -1)
1505 {
1506 poll_info[*count].fd = conn->sock;
1507 poll_info[*count].events = POLLIN;
1508 (*count)++;
1509 }
1510 conn = CONTAINING_RECORD(conn->common.Next, RpcConnection_tcp, common);
1511 }
1512 LeaveCriticalSection(&protseq->cs);
1513 return poll_info;
1514 }
1515
1516 static void rpcrt4_protseq_sock_free_wait_array(RpcServerProtseq *protseq, void *array)
1517 {
1518 HeapFree(GetProcessHeap(), 0, array);
1519 }
1520
1521 static int rpcrt4_protseq_sock_wait_for_new_connection(RpcServerProtseq *protseq, unsigned int count, void *wait_array)
1522 {
1523 struct pollfd *poll_info = wait_array;
1524 int ret;
1525 unsigned int i;
1526 RpcConnection *cconn;
1527 RpcConnection_tcp *conn;
1528
1529 if (!poll_info)
1530 return -1;
1531
1532 ret = poll(poll_info, count, -1);
1533 if (ret < 0)
1534 {
1535 ERR("poll failed with error %d\n", ret);
1536 return -1;
1537 }
1538
1539 for (i = 0; i < count; i++)
1540 if (poll_info[i].revents & POLLIN)
1541 {
1542 /* RPC server event */
1543 if (i == 0)
1544 {
1545 char dummy;
1546 read(poll_info[0].fd, &dummy, sizeof(dummy));
1547 return 0;
1548 }
1549
1550 /* find which connection got a RPC */
1551 EnterCriticalSection(&protseq->cs);
1552 conn = CONTAINING_RECORD(protseq->conn, RpcConnection_tcp, common);
1553 while (conn) {
1554 if (poll_info[i].fd == conn->sock) break;
1555 conn = CONTAINING_RECORD(conn->common.Next, RpcConnection_tcp, common);
1556 }
1557 cconn = NULL;
1558 if (conn)
1559 RPCRT4_SpawnConnection(&cconn, &conn->common);
1560 else
1561 ERR("failed to locate connection for fd %d\n", poll_info[i].fd);
1562 LeaveCriticalSection(&protseq->cs);
1563 if (cconn)
1564 RPCRT4_new_client(cconn);
1565 else
1566 return -1;
1567 }
1568
1569 return 1;
1570 }
1571
1572 #else /* HAVE_SOCKETPAIR */
1573
1574 typedef struct _RpcServerProtseq_sock
1575 {
1576 RpcServerProtseq common;
1577 HANDLE mgr_event;
1578 } RpcServerProtseq_sock;
1579
1580 static RpcServerProtseq *rpcrt4_protseq_sock_alloc(void)
1581 {
1582 RpcServerProtseq_sock *ps = HeapAlloc(GetProcessHeap(), 0, sizeof(*ps));
1583 if (ps)
1584 {
1585 static BOOL wsa_inited;
1586 if (!wsa_inited)
1587 {
1588 WSADATA wsadata;
1589 WSAStartup(MAKEWORD(2, 2), &wsadata);
1590 /* Note: WSAStartup can be called more than once so we don't bother with
1591 * making accesses to wsa_inited thread-safe */
1592 wsa_inited = TRUE;
1593 }
1594 ps->mgr_event = CreateEventW(NULL, FALSE, FALSE, NULL);
1595 }
1596 return &ps->common;
1597 }
1598
1599 static void rpcrt4_protseq_sock_signal_state_changed(RpcServerProtseq *protseq)
1600 {
1601 RpcServerProtseq_sock *sockps = CONTAINING_RECORD(protseq, RpcServerProtseq_sock, common);
1602 SetEvent(sockps->mgr_event);
1603 }
1604
1605 static void *rpcrt4_protseq_sock_get_wait_array(RpcServerProtseq *protseq, void *prev_array, unsigned int *count)
1606 {
1607 HANDLE *objs = prev_array;
1608 RpcConnection_tcp *conn;
1609 RpcServerProtseq_sock *sockps = CONTAINING_RECORD(protseq, RpcServerProtseq_sock, common);
1610
1611 EnterCriticalSection(&protseq->cs);
1612
1613 /* open and count connections */
1614 *count = 1;
1615 conn = CONTAINING_RECORD(protseq->conn, RpcConnection_tcp, common);
1616 while (conn)
1617 {
1618 if (conn->sock != -1)
1619 (*count)++;
1620 conn = CONTAINING_RECORD(conn->common.Next, RpcConnection_tcp, common);
1621 }
1622
1623 /* make array of connections */
1624 if (objs)
1625 objs = HeapReAlloc(GetProcessHeap(), 0, objs, *count*sizeof(HANDLE));
1626 else
1627 objs = HeapAlloc(GetProcessHeap(), 0, *count*sizeof(HANDLE));
1628 if (!objs)
1629 {
1630 ERR("couldn't allocate objs\n");
1631 LeaveCriticalSection(&protseq->cs);
1632 return NULL;
1633 }
1634
1635 objs[0] = sockps->mgr_event;
1636 *count = 1;
1637 conn = CONTAINING_RECORD(protseq->conn, RpcConnection_tcp, common);
1638 while (conn)
1639 {
1640 if (conn->sock != -1)
1641 {
1642 int res = WSAEventSelect(conn->sock, conn->sock_event, FD_ACCEPT);
1643 if (res == SOCKET_ERROR)
1644 ERR("WSAEventSelect() failed with error %d\n", WSAGetLastError());
1645 else
1646 {
1647 objs[*count] = conn->sock_event;
1648 (*count)++;
1649 }
1650 }
1651 conn = CONTAINING_RECORD(conn->common.Next, RpcConnection_tcp, common);
1652 }
1653 LeaveCriticalSection(&protseq->cs);
1654 return objs;
1655 }
1656
1657 static void rpcrt4_protseq_sock_free_wait_array(RpcServerProtseq *protseq, void *array)
1658 {
1659 HeapFree(GetProcessHeap(), 0, array);
1660 }
1661
1662 static int rpcrt4_protseq_sock_wait_for_new_connection(RpcServerProtseq *protseq, unsigned int count, void *wait_array)
1663 {
1664 HANDLE b_handle;
1665 HANDLE *objs = wait_array;
1666 DWORD res;
1667 RpcConnection *cconn;
1668 RpcConnection_tcp *conn;
1669
1670 if (!objs)
1671 return -1;
1672
1673 do
1674 {
1675 /* an alertable wait isn't strictly necessary, but due to our
1676 * overlapped I/O implementation in Wine we need to free some memory
1677 * by the file user APC being called, even if no completion routine was
1678 * specified at the time of starting the async operation */
1679 res = WaitForMultipleObjectsEx(count, objs, FALSE, INFINITE, TRUE);
1680 } while (res == WAIT_IO_COMPLETION);
1681
1682 if (res == WAIT_OBJECT_0)
1683 return 0;
1684 else if (res == WAIT_FAILED)
1685 {
1686 ERR("wait failed with error %d\n", GetLastError());
1687 return -1;
1688 }
1689 else
1690 {
1691 b_handle = objs[res - WAIT_OBJECT_0];
1692 /* find which connection got a RPC */
1693 EnterCriticalSection(&protseq->cs);
1694 conn = CONTAINING_RECORD(protseq->conn, RpcConnection_tcp, common);
1695 while (conn)
1696 {
1697 if (b_handle == conn->sock_event) break;
1698 conn = CONTAINING_RECORD(conn->common.Next, RpcConnection_tcp, common);
1699 }
1700 cconn = NULL;
1701 if (conn)
1702 RPCRT4_SpawnConnection(&cconn, &conn->common);
1703 else
1704 ERR("failed to locate connection for handle %p\n", b_handle);
1705 LeaveCriticalSection(&protseq->cs);
1706 if (cconn)
1707 {
1708 RPCRT4_new_client(cconn);
1709 return 1;
1710 }
1711 else return -1;
1712 }
1713 }
1714
1715 #endif /* HAVE_SOCKETPAIR */
1716
1717 static RPC_STATUS rpcrt4_ncacn_ip_tcp_parse_top_of_tower(const unsigned char *tower_data,
1718 size_t tower_size,
1719 char **networkaddr,
1720 char **endpoint)
1721 {
1722 return rpcrt4_ip_tcp_parse_top_of_tower(tower_data, tower_size,
1723 networkaddr, EPM_PROTOCOL_TCP,
1724 endpoint);
1725 }
1726
1727 /**** ncacn_http support ****/
1728
1729 /* 60 seconds is the period native uses */
1730 #define HTTP_IDLE_TIME 60000
1731
1732 /* reference counted to avoid a race between a cancelled call's connection
1733 * being destroyed and the asynchronous InternetReadFileEx call being
1734 * completed */
1735 typedef struct _RpcHttpAsyncData
1736 {
1737 LONG refs;
1738 HANDLE completion_event;
1739 INTERNET_BUFFERSA inet_buffers;
1740 void *destination_buffer; /* the address that inet_buffers.lpvBuffer will be
1741 * copied into when the call completes */
1742 CRITICAL_SECTION cs;
1743 } RpcHttpAsyncData;
1744
1745 static ULONG RpcHttpAsyncData_AddRef(RpcHttpAsyncData *data)
1746 {
1747 return InterlockedIncrement(&data->refs);
1748 }
1749
1750 static ULONG RpcHttpAsyncData_Release(RpcHttpAsyncData *data)
1751 {
1752 ULONG refs = InterlockedDecrement(&data->refs);
1753 if (!refs)
1754 {
1755 TRACE("destroying async data %p\n", data);
1756 CloseHandle(data->completion_event);
1757 HeapFree(GetProcessHeap(), 0, data->inet_buffers.lpvBuffer);
1758 DeleteCriticalSection(&data->cs);
1759 HeapFree(GetProcessHeap(), 0, data);
1760 }
1761 return refs;
1762 }
1763
1764 typedef struct _RpcConnection_http
1765 {
1766 RpcConnection common;
1767 HINTERNET app_info;
1768 HINTERNET session;
1769 HINTERNET in_request;
1770 HINTERNET out_request;
1771 HANDLE timer_cancelled;
1772 HANDLE cancel_event;
1773 DWORD last_sent_time;
1774 ULONG bytes_received;
1775 ULONG flow_control_mark; /* send a control packet to the server when this many bytes received */
1776 ULONG flow_control_increment; /* number of bytes to increment flow_control_mark by */
1777 UUID connection_uuid;
1778 UUID in_pipe_uuid;
1779 UUID out_pipe_uuid;
1780 RpcHttpAsyncData *async_data;
1781 } RpcConnection_http;
1782
1783 static RpcConnection *rpcrt4_ncacn_http_alloc(void)
1784 {
1785 RpcConnection_http *httpc;
1786 httpc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*httpc));
1787 if (!httpc) return NULL;
1788 httpc->async_data = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(RpcHttpAsyncData));
1789 if (!httpc->async_data)
1790 {
1791 HeapFree(GetProcessHeap(), 0, httpc);
1792 return NULL;
1793 }
1794 TRACE("async data = %p\n", httpc->async_data);
1795 httpc->cancel_event = CreateEventW(NULL, FALSE, FALSE, NULL);
1796 httpc->async_data->refs = 1;
1797 httpc->async_data->inet_buffers.dwStructSize = sizeof(INTERNET_BUFFERSA);
1798 httpc->async_data->inet_buffers.lpvBuffer = NULL;
1799 httpc->async_data->destination_buffer = NULL;
1800 InitializeCriticalSection(&httpc->async_data->cs);
1801 return &httpc->common;
1802 }
1803
1804 typedef struct _HttpTimerThreadData
1805 {
1806 PVOID timer_param;
1807 DWORD *last_sent_time;
1808 HANDLE timer_cancelled;
1809 } HttpTimerThreadData;
1810
1811 static VOID CALLBACK rpcrt4_http_keep_connection_active_timer_proc(PVOID param, BOOLEAN dummy)
1812 {
1813 HINTERNET in_request = param;
1814 RpcPktHdr *idle_pkt;
1815
1816 idle_pkt = RPCRT4_BuildHttpHeader(NDR_LOCAL_DATA_REPRESENTATION, 0x0001,
1817 0, 0);
1818 if (idle_pkt)
1819 {
1820 DWORD bytes_written;
1821 InternetWriteFile(in_request, idle_pkt, idle_pkt->common.frag_len, &bytes_written);
1822 RPCRT4_FreeHeader(idle_pkt);
1823 }
1824 }
1825
1826 static inline DWORD rpcrt4_http_timer_calc_timeout(DWORD *last_sent_time)
1827 {
1828 DWORD cur_time = GetTickCount();
1829 DWORD cached_last_sent_time = *last_sent_time;
1830 return HTTP_IDLE_TIME - (cur_time - cached_last_sent_time > HTTP_IDLE_TIME ? 0 : cur_time - cached_last_sent_time);
1831 }
1832
1833 static DWORD CALLBACK rpcrt4_http_timer_thread(PVOID param)
1834 {
1835 HttpTimerThreadData *data_in = param;
1836 HttpTimerThreadData data;
1837 DWORD timeout;
1838
1839 data = *data_in;
1840 HeapFree(GetProcessHeap(), 0, data_in);
1841
1842 for (timeout = HTTP_IDLE_TIME;
1843 WaitForSingleObject(data.timer_cancelled, timeout) == WAIT_TIMEOUT;
1844 timeout = rpcrt4_http_timer_calc_timeout(data.last_sent_time))
1845 {
1846 /* are we too soon after last send? */
1847 if (GetTickCount() - HTTP_IDLE_TIME < *data.last_sent_time)
1848 continue;
1849 rpcrt4_http_keep_connection_active_timer_proc(data.timer_param, TRUE);
1850 }
1851
1852 CloseHandle(data.timer_cancelled);
1853 return 0;
1854 }
1855
1856 static VOID WINAPI rpcrt4_http_internet_callback(
1857 HINTERNET hInternet,
1858 DWORD_PTR dwContext,
1859 DWORD dwInternetStatus,
1860 LPVOID lpvStatusInformation,
1861 DWORD dwStatusInformationLength)
1862 {
1863 RpcHttpAsyncData *async_data = (RpcHttpAsyncData *)dwContext;
1864
1865 switch (dwInternetStatus)
1866 {
1867 case INTERNET_STATUS_REQUEST_COMPLETE:
1868 TRACE("INTERNET_STATUS_REQUEST_COMPLETED\n");
1869 if (async_data)
1870 {
1871 if (async_data->inet_buffers.lpvBuffer)
1872 {
1873 EnterCriticalSection(&async_data->cs);
1874 if (async_data->destination_buffer)
1875 {
1876 memcpy(async_data->destination_buffer,
1877 async_data->inet_buffers.lpvBuffer,
1878 async_data->inet_buffers.dwBufferLength);
1879 async_data->destination_buffer = NULL;
1880 }
1881 LeaveCriticalSection(&async_data->cs);
1882 }
1883 HeapFree(GetProcessHeap(), 0, async_data->inet_buffers.lpvBuffer);
1884 async_data->inet_buffers.lpvBuffer = NULL;
1885 SetEvent(async_data->completion_event);
1886 RpcHttpAsyncData_Release(async_data);
1887 }
1888 break;
1889 }
1890 }
1891
1892 static RPC_STATUS rpcrt4_http_check_response(HINTERNET hor)
1893 {
1894 BOOL ret;
1895 DWORD status_code;
1896 DWORD size;
1897 DWORD index;
1898 WCHAR buf[32];
1899 WCHAR *status_text = buf;
1900 TRACE("\n");
1901
1902 index = 0;
1903 size = sizeof(status_code);
1904 ret = HttpQueryInfoW(hor, HTTP_QUERY_STATUS_CODE|HTTP_QUERY_FLAG_NUMBER, &status_code, &size, &index);
1905 if (!ret)
1906 return GetLastError();
1907 if (status_code < 400)
1908 return RPC_S_OK;
1909 index = 0;
1910 size = sizeof(buf);
1911 ret = HttpQueryInfoW(hor, HTTP_QUERY_STATUS_TEXT, status_text, &size, &index);
1912 if (!ret && GetLastError() == ERROR_INSUFFICIENT_BUFFER)
1913 {
1914 status_text = HeapAlloc(GetProcessHeap(), 0, size);
1915 ret = HttpQueryInfoW(hor, HTTP_QUERY_STATUS_TEXT, status_text, &size, &index);
1916 }
1917
1918 ERR("server returned: %d %s\n", status_code, ret ? debugstr_w(status_text) : "<status text unavailable>");
1919 if(status_text != buf) HeapFree(GetProcessHeap(), 0, status_text);
1920
1921 if (status_code == HTTP_STATUS_DENIED)
1922 return ERROR_ACCESS_DENIED;
1923 return RPC_S_SERVER_UNAVAILABLE;
1924 }
1925
1926 static RPC_STATUS rpcrt4_http_internet_connect(RpcConnection_http *httpc)
1927 {
1928 static const WCHAR wszUserAgent[] = {'M','S','R','P','C',0};
1929 LPWSTR proxy = NULL;
1930 LPWSTR user = NULL;
1931 LPWSTR password = NULL;
1932 LPWSTR servername = NULL;
1933 const WCHAR *option;
1934 INTERNET_PORT port = INTERNET_INVALID_PORT_NUMBER; /* use default port */
1935
1936 if (httpc->common.QOS &&
1937 (httpc->common.QOS->qos->AdditionalSecurityInfoType == RPC_C_AUTHN_INFO_TYPE_HTTP))
1938 {
1939 const RPC_HTTP_TRANSPORT_CREDENTIALS_W *http_cred = httpc->common.QOS->qos->u.HttpCredentials;
1940 if (http_cred->TransportCredentials)
1941 {
1942 WCHAR *p;
1943 const SEC_WINNT_AUTH_IDENTITY_W *cred = http_cred->TransportCredentials;
1944 ULONG len = cred->DomainLength + 1 + cred->UserLength;
1945 user = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
1946 if (!user)
1947 return RPC_S_OUT_OF_RESOURCES;
1948 p = user;
1949 if (cred->DomainLength)
1950 {
1951 memcpy(p, cred->Domain, cred->DomainLength * sizeof(WCHAR));
1952 p += cred->DomainLength;
1953 *p = '\\';
1954 p++;
1955 }
1956 memcpy(p, cred->User, cred->UserLength * sizeof(WCHAR));
1957 p[cred->UserLength] = 0;
1958
1959 password = RPCRT4_strndupW(cred->Password, cred->PasswordLength);
1960 }
1961 }
1962
1963 for (option = httpc->common.NetworkOptions; option;
1964 option = (strchrW(option, ',') ? strchrW(option, ',')+1 : NULL))
1965 {
1966 static const WCHAR wszRpcProxy[] = {'R','p','c','P','r','o','x','y','=',0};
1967 static const WCHAR wszHttpProxy[] = {'H','t','t','p','P','r','o','x','y','=',0};
1968
1969 if (!strncmpiW(option, wszRpcProxy, sizeof(wszRpcProxy)/sizeof(wszRpcProxy[0])-1))
1970 {
1971 const WCHAR *value_start = option + sizeof(wszRpcProxy)/sizeof(wszRpcProxy[0])-1;
1972 const WCHAR *value_end;
1973 const WCHAR *p;
1974
1975 value_end = strchrW(option, ',');
1976 if (!value_end)
1977 value_end = value_start + strlenW(value_start);
1978 for (p = value_start; p < value_end; p++)
1979 if (*p == ':')
1980 {
1981 port = atoiW(p+1);
1982 value_end = p;
1983 break;
1984 }
1985 TRACE("RpcProxy value is %s\n", debugstr_wn(value_start, value_end-value_start));
1986 servername = RPCRT4_strndupW(value_start, value_end-value_start);
1987 }
1988 else if (!strncmpiW(option, wszHttpProxy, sizeof(wszHttpProxy)/sizeof(wszHttpProxy[0])-1))
1989 {
1990 const WCHAR *value_start = option + sizeof(wszHttpProxy)/sizeof(wszHttpProxy[0])-1;
1991 const WCHAR *value_end;
1992
1993 value_end = strchrW(option, ',');
1994 if (!value_end)
1995 value_end = value_start + strlenW(value_start);
1996 TRACE("HttpProxy value is %s\n", debugstr_wn(value_start, value_end-value_start));
1997 proxy = RPCRT4_strndupW(value_start, value_end-value_start);
1998 }
1999 else
2000 FIXME("unhandled option %s\n", debugstr_w(option));
2001 }
2002
2003 httpc->app_info = InternetOpenW(wszUserAgent, proxy ? INTERNET_OPEN_TYPE_PROXY : INTERNET_OPEN_TYPE_PRECONFIG,
2004 NULL, NULL, INTERNET_FLAG_ASYNC);
2005 if (!httpc->app_info)
2006 {
2007 HeapFree(GetProcessHeap(), 0, password);
2008 HeapFree(GetProcessHeap(), 0, user);
2009 ERR("InternetOpenW failed with error %d\n", GetLastError());
2010 return RPC_S_SERVER_UNAVAILABLE;
2011 }
2012 InternetSetStatusCallbackW(httpc->app_info, rpcrt4_http_internet_callback);
2013
2014 /* if no RpcProxy option specified, set the HTTP server address to the
2015 * RPC server address */
2016 if (!servername)
2017 {
2018 servername = HeapAlloc(GetProcessHeap(), 0, (strlen(httpc->common.NetworkAddr) + 1)*sizeof(WCHAR));
2019 if (!servername)
2020 {
2021 HeapFree(GetProcessHeap(), 0, password);
2022 HeapFree(GetProcessHeap(), 0, user);
2023 return RPC_S_OUT_OF_RESOURCES;
2024 }
2025 MultiByteToWideChar(CP_ACP, 0, httpc->common.NetworkAddr, -1, servername, strlen(httpc->common.NetworkAddr) + 1);
2026 }
2027
2028 httpc->session = InternetConnectW(httpc->app_info, servername, port, user, password,
2029 INTERNET_SERVICE_HTTP, 0, 0);
2030
2031 HeapFree(GetProcessHeap(), 0, password);
2032 HeapFree(GetProcessHeap(), 0, user);
2033 HeapFree(GetProcessHeap(), 0, servername);
2034
2035 if (!httpc->session)
2036 {
2037 ERR("InternetConnectW failed with error %d\n", GetLastError());
2038 return RPC_S_SERVER_UNAVAILABLE;
2039 }
2040
2041 return RPC_S_OK;
2042 }
2043
2044 /* prepare the in pipe for use by RPC packets */
2045 static RPC_STATUS rpcrt4_http_prepare_in_pipe(HINTERNET in_request, RpcHttpAsyncData *async_data,
2046 const UUID *connection_uuid,
2047 const UUID *in_pipe_uuid,
2048 const UUID *association_uuid)
2049 {
2050 BYTE packet[44];
2051 BOOL ret;
2052 RPC_STATUS status;
2053 RpcPktHdr *hdr;
2054 INTERNET_BUFFERSW buffers_in;
2055 DWORD bytes_read, bytes_written;
2056
2057 /* prepare in pipe */
2058 ResetEvent(async_data->completion_event);
2059 RpcHttpAsyncData_AddRef(async_data);
2060 ret = HttpSendRequestW(in_request, NULL, 0, NULL, 0);
2061 if (!ret)
2062 {
2063 if (GetLastError() == ERROR_IO_PENDING)
2064 WaitForSingleObject(async_data->completion_event, INFINITE);
2065 else
2066 {
2067 RpcHttpAsyncData_Release(async_data);
2068 ERR("HttpSendRequestW failed with error %d\n", GetLastError());
2069 return RPC_S_SERVER_UNAVAILABLE;
2070 }
2071 }
2072 status = rpcrt4_http_check_response(in_request);
2073 if (status != RPC_S_OK) return status;
2074
2075 InternetReadFile(in_request, packet, 20, &bytes_read);
2076 /* FIXME: do something with retrieved data */
2077
2078 memset(&buffers_in, 0, sizeof(buffers_in));
2079 buffers_in.dwStructSize = sizeof(buffers_in);
2080 /* FIXME: get this from the registry */
2081 buffers_in.dwBufferTotal = 1024 * 1024 * 1024; /* 1Gb */
2082 ResetEvent(async_data->completion_event);
2083 RpcHttpAsyncData_AddRef(async_data);
2084 ret = HttpSendRequestExW(in_request, &buffers_in, NULL, 0, 0);
2085 if (!ret)
2086 {
2087 if (GetLastError() == ERROR_IO_PENDING)
2088 WaitForSingleObject(async_data->completion_event, INFINITE);
2089 else
2090 {
2091 RpcHttpAsyncData_Release(async_data);
2092 ERR("HttpSendRequestExW failed with error %d\n", GetLastError());
2093 return RPC_S_SERVER_UNAVAILABLE;
2094 }
2095 }
2096
2097 TRACE("sending HTTP connect header to server\n");
2098 hdr = RPCRT4_BuildHttpConnectHeader(0, FALSE, connection_uuid, in_pipe_uuid, association_uuid);
2099 if (!hdr) return RPC_S_OUT_OF_RESOURCES;
2100 ret = InternetWriteFile(in_request, hdr, hdr->common.frag_len, &bytes_written);
2101 RPCRT4_FreeHeader(hdr);
2102 if (!ret)
2103 {
2104 ERR("InternetWriteFile failed with error %d\n", GetLastError());
2105 return RPC_S_SERVER_UNAVAILABLE;
2106 }
2107
2108 return RPC_S_OK;
2109 }
2110
2111 static RPC_STATUS rpcrt4_http_read_http_packet(HINTERNET request, RpcPktHdr *hdr, BYTE **data)
2112 {
2113 BOOL ret;
2114 DWORD bytes_read;
2115 unsigned short data_len;
2116
2117 ret = InternetReadFile(request, hdr, sizeof(hdr->common), &bytes_read);
2118 if (!ret)
2119 return RPC_S_SERVER_UNAVAILABLE;
2120 if (hdr->common.ptype != PKT_HTTP || hdr->common.frag_len < sizeof(hdr->http))
2121 {
2122 ERR("wrong packet type received %d or wrong frag_len %d\n",
2123 hdr->common.ptype, hdr->common.frag_len);
2124 return RPC_S_PROTOCOL_ERROR;
2125 }
2126
2127 ret = InternetReadFile(request, &hdr->common + 1, sizeof(hdr->http) - sizeof(hdr->common), &bytes_read);
2128 if (!ret)
2129 return RPC_S_SERVER_UNAVAILABLE;
2130
2131 data_len = hdr->common.frag_len - sizeof(hdr->http);
2132 if (data_len)
2133 {
2134 *data = HeapAlloc(GetProcessHeap(), 0, data_len);
2135 if (!*data)
2136 return RPC_S_OUT_OF_RESOURCES;
2137 ret = InternetReadFile(request, *data, data_len, &bytes_read);
2138 if (!ret)
2139 {
2140 HeapFree(GetProcessHeap(), 0, *data);
2141 return RPC_S_SERVER_UNAVAILABLE;
2142 }
2143 }
2144 else
2145 *data = NULL;
2146
2147 if (!RPCRT4_IsValidHttpPacket(hdr, *data, data_len))
2148 {
2149 ERR("invalid http packet\n");
2150 return RPC_S_PROTOCOL_ERROR;
2151 }
2152
2153 return RPC_S_OK;
2154 }
2155
2156 /* prepare the out pipe for use by RPC packets */
2157 static RPC_STATUS rpcrt4_http_prepare_out_pipe(HINTERNET out_request,
2158 RpcHttpAsyncData *async_data,
2159 const UUID *connection_uuid,
2160 const UUID *out_pipe_uuid,
2161 ULONG *flow_control_increment)
2162 {
2163 BYTE packet[20];
2164 BOOL ret;
2165 RPC_STATUS status;
2166 RpcPktHdr *hdr;
2167 DWORD bytes_read;
2168 BYTE *data_from_server;
2169 RpcPktHdr pkt_from_server;
2170 ULONG field1, field3;
2171
2172 ResetEvent(async_data->completion_event);
2173 RpcHttpAsyncData_AddRef(async_data);
2174 ret = HttpSendRequestW(out_request, NULL, 0, NULL, 0);
2175 if (!ret)
2176 {
2177 if (GetLastError() == ERROR_IO_PENDING)
2178 WaitForSingleObject(async_data->completion_event, INFINITE);
2179 else
2180 {
2181 RpcHttpAsyncData_Release(async_data);
2182 ERR("HttpSendRequestW failed with error %d\n", GetLastError());
2183 return RPC_S_SERVER_UNAVAILABLE;
2184 }
2185 }
2186 status = rpcrt4_http_check_response(out_request);
2187 if (status != RPC_S_OK) return status;
2188
2189 InternetReadFile(out_request, packet, 20, &bytes_read);
2190 /* FIXME: do something with retrieved data */
2191
2192 hdr = RPCRT4_BuildHttpConnectHeader(0, TRUE, connection_uuid, out_pipe_uuid, NULL);
2193 if (!hdr) return RPC_S_OUT_OF_RESOURCES;
2194 ResetEvent(async_data->completion_event);
2195 RpcHttpAsyncData_AddRef(async_data);
2196 ret = HttpSendRequestW(out_request, NULL, 0, hdr, hdr->common.frag_len);
2197 if (!ret)
2198 {
2199 if (GetLastError() == ERROR_IO_PENDING)
2200 WaitForSingleObject(async_data->completion_event, INFINITE);
2201 else
2202 {
2203 RpcHttpAsyncData_Release(async_data);
2204 ERR("HttpSendRequestW failed with error %d\n", GetLastError());
2205 RPCRT4_FreeHeader(hdr);
2206 return RPC_S_SERVER_UNAVAILABLE;
2207 }
2208 }
2209 RPCRT4_FreeHeader(hdr);
2210 status = rpcrt4_http_check_response(out_request);
2211 if (status != RPC_S_OK) return status;
2212
2213 status = rpcrt4_http_read_http_packet(out_request, &pkt_from_server,
2214 &data_from_server);
2215 if (status != RPC_S_OK) return status;
2216 status = RPCRT4_ParseHttpPrepareHeader1(&pkt_from_server, data_from_server,
2217 &field1);
2218 HeapFree(GetProcessHeap(), 0, data_from_server);
2219 if (status != RPC_S_OK) return status;
2220 TRACE("received (%d) from first prepare header\n", field1);
2221
2222 status = rpcrt4_http_read_http_packet(out_request, &pkt_from_server,
2223 &data_from_server);
2224 if (status != RPC_S_OK) return status;
2225 status = RPCRT4_ParseHttpPrepareHeader2(&pkt_from_server, data_from_server,
2226 &field1, flow_control_increment,
2227 &field3);
2228 HeapFree(GetProcessHeap(), 0, data_from_server);
2229 if (status != RPC_S_OK) return status;
2230 TRACE("received (0x%08x 0x%08x %d) from second prepare header\n", field1, *flow_control_increment, field3);
2231
2232 return RPC_S_OK;
2233 }
2234
2235 static RPC_STATUS rpcrt4_ncacn_http_open(RpcConnection* Connection)
2236 {
2237 RpcConnection_http *httpc = (RpcConnection_http *)Connection;
2238 static const WCHAR wszVerbIn[] = {'R','P','C','_','I','N','_','D','A','T','A',0};
2239 static const WCHAR wszVerbOut[] = {'R','P','C','_','O','U','T','_','D','A','T','A',0};
2240 static const WCHAR wszRpcProxyPrefix[] = {'/','r','p','c','/','r','p','c','p','r','o','x','y','.','d','l','l','?',0};
2241 static const WCHAR wszColon[] = {':',0};
2242 static const WCHAR wszAcceptType[] = {'a','p','p','l','i','c','a','t','i','o','n','/','r','p','c',0};
2243 LPCWSTR wszAcceptTypes[] = { wszAcceptType, NULL };
2244 WCHAR *url;
2245 RPC_STATUS status;
2246 BOOL secure;
2247 HttpTimerThreadData *timer_data;
2248 HANDLE thread;
2249
2250 TRACE("(%s, %s)\n", Connection->NetworkAddr, Connection->Endpoint);
2251
2252 if (Connection->server)
2253 {
2254 ERR("ncacn_http servers not supported yet\n");
2255 return RPC_S_SERVER_UNAVAILABLE;
2256 }
2257
2258 if (httpc->in_request)
2259 return RPC_S_OK;
2260
2261 httpc->async_data->completion_event = CreateEventW(NULL, FALSE, FALSE, NULL);
2262
2263 status = UuidCreate(&httpc->connection_uuid);
2264 status = UuidCreate(&httpc->in_pipe_uuid);
2265 status = UuidCreate(&httpc->out_pipe_uuid);
2266
2267 status = rpcrt4_http_internet_connect(httpc);
2268 if (status != RPC_S_OK)
2269 return status;
2270
2271 url = HeapAlloc(GetProcessHeap(), 0, sizeof(wszRpcProxyPrefix) + (strlen(Connection->NetworkAddr) + 1 + strlen(Connection->Endpoint))*sizeof(WCHAR));
2272 if (!url)
2273 return RPC_S_OUT_OF_MEMORY;
2274 memcpy(url, wszRpcProxyPrefix, sizeof(wszRpcProxyPrefix));
2275 MultiByteToWideChar(CP_ACP, 0, Connection->NetworkAddr, -1, url+sizeof(wszRpcProxyPrefix)/sizeof(wszRpcProxyPrefix[0])-1, strlen(Connection->NetworkAddr)+1);
2276 strcatW(url, wszColon);
2277 MultiByteToWideChar(CP_ACP, 0, Connection->Endpoint, -1, url+strlenW(url), strlen(Connection->Endpoint)+1);
2278
2279 secure = httpc->common.QOS &&
2280 (httpc->common.QOS->qos->AdditionalSecurityInfoType == RPC_C_AUTHN_INFO_TYPE_HTTP) &&
2281 (httpc->common.QOS->qos->u.HttpCredentials->Flags & RPC_C_HTTP_FLAG_USE_SSL);
2282
2283 httpc->in_request = HttpOpenRequestW(httpc->session, wszVerbIn, url, NULL, NULL,
2284 wszAcceptTypes,
2285 (secure ? INTERNET_FLAG_SECURE : 0)|INTERNET_FLAG_KEEP_CONNECTION|INTERNET_FLAG_PRAGMA_NOCACHE,
2286 (DWORD_PTR)httpc->async_data);
2287 if (!httpc->in_request)
2288 {
2289 ERR("HttpOpenRequestW failed with error %d\n", GetLastError());
2290 return RPC_S_SERVER_UNAVAILABLE;
2291 }
2292 httpc->out_request = HttpOpenRequestW(httpc->session, wszVerbOut, url, NULL, NULL,
2293 wszAcceptTypes,
2294 (secure ? INTERNET_FLAG_SECURE : 0)|INTERNET_FLAG_KEEP_CONNECTION|INTERNET_FLAG_PRAGMA_NOCACHE,
2295 (DWORD_PTR)httpc->async_data);
2296 if (!httpc->out_request)
2297 {
2298 ERR("HttpOpenRequestW failed with error %d\n", GetLastError());
2299 return RPC_S_SERVER_UNAVAILABLE;
2300 }
2301
2302 status = rpcrt4_http_prepare_in_pipe(httpc->in_request,
2303 httpc->async_data,
2304 &httpc->connection_uuid,
2305 &httpc->in_pipe_uuid,
2306 &Connection->assoc->http_uuid);
2307 if (status != RPC_S_OK)
2308 return status;
2309
2310 status = rpcrt4_http_prepare_out_pipe(httpc->out_request,
2311 httpc->async_data,
2312 &httpc->connection_uuid,
2313 &httpc->out_pipe_uuid,
2314 &httpc->flow_control_increment);
2315 if (status != RPC_S_OK)
2316 return status;
2317
2318 httpc->flow_control_mark = httpc->flow_control_increment / 2;
2319 httpc->last_sent_time = GetTickCount();
2320 httpc->timer_cancelled = CreateEventW(NULL, FALSE, FALSE, NULL);
2321
2322 timer_data = HeapAlloc(GetProcessHeap(), 0, sizeof(*timer_data));
2323 if (!timer_data)
2324 return ERROR_OUTOFMEMORY;
2325 timer_data->timer_param = httpc->in_request;
2326 timer_data->last_sent_time = &httpc->last_sent_time;
2327 timer_data->timer_cancelled = httpc->timer_cancelled;
2328 /* FIXME: should use CreateTimerQueueTimer when implemented */
2329 thread = CreateThread(NULL, 0, rpcrt4_http_timer_thread, timer_data, 0, NULL);
2330 if (!thread)
2331 {
2332 HeapFree(GetProcessHeap(), 0, timer_data);
2333 return GetLastError();
2334 }
2335 CloseHandle(thread);
2336
2337 return RPC_S_OK;
2338 }
2339
2340 static RPC_STATUS rpcrt4_ncacn_http_handoff(RpcConnection *old_conn, RpcConnection *new_conn)
2341 {
2342 assert(0);
2343 return RPC_S_SERVER_UNAVAILABLE;
2344 }
2345
2346 static int rpcrt4_ncacn_http_read(RpcConnection *Connection,
2347 void *buffer, unsigned int count)
2348 {
2349 RpcConnection_http *httpc = (RpcConnection_http *) Connection;
2350 char *buf = buffer;
2351 BOOL ret = TRUE;
2352 unsigned int bytes_left = count;
2353
2354 ResetEvent(httpc->async_data->completion_event);
2355 while (bytes_left)
2356 {
2357 RpcHttpAsyncData_AddRef(httpc->async_data);
2358 httpc->async_data->inet_buffers.dwBufferLength = bytes_left;
2359 httpc->async_data->inet_buffers.lpvBuffer = HeapAlloc(GetProcessHeap(), 0, bytes_left);
2360 httpc->async_data->destination_buffer = buf;
2361 ret = InternetReadFileExA(httpc->out_request, &httpc->async_data->inet_buffers, IRF_ASYNC, 0);
2362 if (ret)
2363 {
2364 /* INTERNET_STATUS_REQUEST_COMPLETED won't be sent, so release our
2365 * async ref now */
2366 RpcHttpAsyncData_Release(httpc->async_data);
2367 memcpy(buf, httpc->async_data->inet_buffers.lpvBuffer,
2368 httpc->async_data->inet_buffers.dwBufferLength);
2369 HeapFree(GetProcessHeap(), 0, httpc->async_data->inet_buffers.lpvBuffer);
2370 httpc->async_data->inet_buffers.lpvBuffer = NULL;
2371 httpc->async_data->destination_buffer = NULL;
2372 }
2373 else
2374 {
2375 if (GetLastError() == ERROR_IO_PENDING)
2376 {
2377 HANDLE handles[2] = { httpc->async_data->completion_event, httpc->cancel_event };
2378 DWORD result = WaitForMultipleObjects(2, handles, FALSE, DEFAULT_NCACN_HTTP_TIMEOUT);
2379 if (result == WAIT_OBJECT_0)
2380 ret = TRUE;
2381 else
2382 {
2383 TRACE("call cancelled\n");
2384 EnterCriticalSection(&httpc->async_data->cs);
2385 httpc->async_data->destination_buffer = NULL;
2386 LeaveCriticalSection(&httpc->async_data->cs);
2387 break;
2388 }
2389 }
2390 else
2391 {
2392 HeapFree(GetProcessHeap(), 0, httpc->async_data->inet_buffers.lpvBuffer);
2393 httpc->async_data->inet_buffers.lpvBuffer = NULL;
2394 httpc->async_data->destination_buffer = NULL;
2395 RpcHttpAsyncData_Release(httpc->async_data);
2396 break;
2397 }
2398 }
2399 if (!httpc->async_data->inet_buffers.dwBufferLength)
2400 break;
2401 bytes_left -= httpc->async_data->inet_buffers.dwBufferLength;
2402 buf += httpc->async_data->inet_buffers.dwBufferLength;
2403 }
2404 TRACE("%p %p %u -> %s\n", httpc->out_request, buffer, count, ret ? "TRUE" : "FALSE");
2405 return ret ? count : -1;
2406 }
2407
2408 static RPC_STATUS rpcrt4_ncacn_http_receive_fragment(RpcConnection *Connection, RpcPktHdr **Header, void **Payload)
2409 {
2410 RpcConnection_http *httpc = (RpcConnection_http *) Connection;
2411 RPC_STATUS status;
2412 DWORD hdr_length;
2413 LONG dwRead;
2414 RpcPktCommonHdr common_hdr;
2415
2416 *Header = NULL;
2417
2418 TRACE("(%p, %p, %p)\n", Connection, Header, Payload);
2419
2420 again:
2421 /* read packet common header */
2422 dwRead = rpcrt4_ncacn_http_read(Connection, &common_hdr, sizeof(common_hdr));
2423 if (dwRead != sizeof(common_hdr)) {
2424 WARN("Short read of header, %d bytes\n", dwRead);
2425 status = RPC_S_PROTOCOL_ERROR;
2426 goto fail;
2427 }
2428 if (!memcmp(&common_hdr, "HTTP/1.1", sizeof("HTTP/1.1")) ||
2429 !memcmp(&common_hdr, "HTTP/1.0", sizeof("HTTP/1.0")))
2430 {
2431 FIXME("server returned %s\n", debugstr_a((const char *)&common_hdr));
2432 status = RPC_S_PROTOCOL_ERROR;
2433 goto fail;
2434 }
2435
2436 status = RPCRT4_ValidateCommonHeader(&common_hdr);
2437 if (status != RPC_S_OK) goto fail;
2438
2439 hdr_length = RPCRT4_GetHeaderSize((RpcPktHdr*)&common_hdr);
2440 if (hdr_length == 0) {
2441 WARN("header length == 0\n");
2442 status = RPC_S_PROTOCOL_ERROR;
2443 goto fail;
2444 }
2445
2446 *Header = HeapAlloc(GetProcessHeap(), 0, hdr_length);
2447 if (!*Header)
2448 {
2449 status = RPC_S_OUT_OF_RESOURCES;
2450 goto fail;
2451 }
2452 memcpy(*Header, &common_hdr, sizeof(common_hdr));
2453
2454 /* read the rest of packet header */
2455 dwRead = rpcrt4_ncacn_http_read(Connection, &(*Header)->common + 1, hdr_length - sizeof(common_hdr));
2456 if (dwRead != hdr_length - sizeof(common_hdr)) {
2457 WARN("bad header length, %d bytes, hdr_length %d\n", dwRead, hdr_length);
2458 status = RPC_S_PROTOCOL_ERROR;
2459 goto fail;
2460 }
2461
2462 if (common_hdr.frag_len - hdr_length)
2463 {
2464 *Payload = HeapAlloc(GetProcessHeap(), 0, common_hdr.frag_len - hdr_length);
2465 if (!*Payload)
2466 {
2467 status = RPC_S_OUT_OF_RESOURCES;
2468 goto fail;
2469 }
2470
2471 dwRead = rpcrt4_ncacn_http_read(Connection, *Payload, common_hdr.frag_len - hdr_length);
2472 if (dwRead != common_hdr.frag_len - hdr_length)
2473 {
2474 WARN("bad data length, %d/%d\n", dwRead, common_hdr.frag_len - hdr_length);
2475 status = RPC_S_PROTOCOL_ERROR;
2476 goto fail;
2477 }
2478 }
2479 else
2480 *Payload = NULL;
2481
2482 if ((*Header)->common.ptype == PKT_HTTP)
2483 {
2484 if (!RPCRT4_IsValidHttpPacket(*Header, *Payload, common_hdr.frag_len - hdr_length))
2485 {
2486 ERR("invalid http packet of length %d bytes\n", (*Header)->common.frag_len);
2487 status = RPC_S_PROTOCOL_ERROR;
2488 goto fail;
2489 }
2490 if ((*Header)->http.flags == 0x0001)
2491 {
2492 TRACE("http idle packet, waiting for real packet\n");
2493 if ((*Header)->http.num_data_items != 0)
2494 {
2495 ERR("HTTP idle packet should have no data items instead of %d\n", (*Header)->http.num_data_items);
2496 status = RPC_S_PROTOCOL_ERROR;
2497 goto fail;
2498 }
2499 }
2500 else if ((*Header)->http.flags == 0x0002)
2501 {
2502 ULONG bytes_transmitted;
2503 ULONG flow_control_increment;
2504 UUID pipe_uuid;
2505 status = RPCRT4_ParseHttpFlowControlHeader(*Header, *Payload,
2506 Connection->server,
2507 &bytes_transmitted,
2508 &flow_control_increment,
2509 &pipe_uuid);
2510 if (status != RPC_S_OK)
2511 goto fail;
2512 TRACE("received http flow control header (0x%x, 0x%x, %s)\n",
2513 bytes_transmitted, flow_control_increment, debugstr_guid(&pipe_uuid));
2514 /* FIXME: do something with parsed data */
2515 }
2516 else
2517 {
2518 FIXME("unrecognised http packet with flags 0x%04x\n", (*Header)->http.flags);
2519 status = RPC_S_PROTOCOL_ERROR;
2520 goto fail;
2521 }
2522 RPCRT4_FreeHeader(*Header);
2523 *Header = NULL;
2524 HeapFree(GetProcessHeap(), 0, *Payload);
2525 *Payload = NULL;
2526 goto again;
2527 }
2528
2529 /* success */
2530 status = RPC_S_OK;
2531
2532 httpc->bytes_received += common_hdr.frag_len;
2533
2534 TRACE("httpc->bytes_received = 0x%x\n", httpc->bytes_received);
2535
2536 if (httpc->bytes_received > httpc->flow_control_mark)
2537 {
2538 RpcPktHdr *hdr = RPCRT4_BuildHttpFlowControlHeader(httpc->common.server,
2539 httpc->bytes_received,
2540 httpc->flow_control_increment,
2541 &httpc->out_pipe_uuid);
2542 if (hdr)
2543 {
2544 DWORD bytes_written;
2545 BOOL ret2;
2546 TRACE("sending flow control packet at 0x%x\n", httpc->bytes_received);
2547 ret2 = InternetWriteFile(httpc->in_request, hdr, hdr->common.frag_len, &bytes_written);
2548 RPCRT4_FreeHeader(hdr);
2549 if (ret2)
2550 httpc->flow_control_mark = httpc->bytes_received + httpc->flow_control_increment / 2;
2551 }
2552 }
2553
2554 fail:
2555 if (status != RPC_S_OK) {
2556 RPCRT4_FreeHeader(*Header);
2557 *Header = NULL;
2558 HeapFree(GetProcessHeap(), 0, *Payload);
2559 *Payload = NULL;
2560 }
2561 return status;
2562 }
2563
2564 static int rpcrt4_ncacn_http_write(RpcConnection *Connection,
2565 const void *buffer, unsigned int count)
2566 {
2567 RpcConnection_http *httpc = (RpcConnection_http *) Connection;
2568 DWORD bytes_written;
2569 BOOL ret;
2570
2571 httpc->last_sent_time = ~0UL; /* disable idle packet sending */
2572 ret = InternetWriteFile(httpc->in_request, buffer, count, &bytes_written);
2573 httpc->last_sent_time = GetTickCount();
2574 TRACE("%p %p %u -> %s\n", httpc->in_request, buffer, count, ret ? "TRUE" : "FALSE");
2575 return ret ? bytes_written : -1;
2576 }
2577
2578 static int rpcrt4_ncacn_http_close(RpcConnection *Connection)
2579 {
2580 RpcConnection_http *httpc = (RpcConnection_http *) Connection;
2581
2582 TRACE("\n");
2583
2584 SetEvent(httpc->timer_cancelled);
2585 if (httpc->in_request)
2586 InternetCloseHandle(httpc->in_request);
2587 httpc->in_request = NULL;
2588 if (httpc->out_request)
2589 InternetCloseHandle(httpc->out_request);
2590 httpc->out_request = NULL;
2591 if (httpc->app_info)
2592 InternetCloseHandle(httpc->app_info);
2593 httpc->app_info = NULL;
2594 if (httpc->session)
2595 InternetCloseHandle(httpc->session);
2596 httpc->session = NULL;
2597 RpcHttpAsyncData_Release(httpc->async_data);
2598 if (httpc->cancel_event)
2599 CloseHandle(httpc->cancel_event);
2600
2601 return 0;
2602 }
2603
2604 static void rpcrt4_ncacn_http_cancel_call(RpcConnection *Connection)
2605 {
2606 RpcConnection_http *httpc = (RpcConnection_http *) Connection;
2607
2608 SetEvent(httpc->cancel_event);
2609 }
2610
2611 static int rpcrt4_ncacn_http_wait_for_incoming_data(RpcConnection *Connection)
2612 {
2613 BOOL ret;
2614 RpcConnection_http *httpc = (RpcConnection_http *) Connection;
2615
2616 RpcHttpAsyncData_AddRef(httpc->async_data);
2617 ret = InternetQueryDataAvailable(httpc->out_request,
2618 &httpc->async_data->inet_buffers.dwBufferLength, IRF_ASYNC, 0);
2619 if (ret)
2620 {
2621 /* INTERNET_STATUS_REQUEST_COMPLETED won't be sent, so release our
2622 * async ref now */
2623 RpcHttpAsyncData_Release(httpc->async_data);
2624 }
2625 else
2626 {
2627 if (GetLastError() == ERROR_IO_PENDING)
2628 {
2629 HANDLE handles[2] = { httpc->async_data->completion_event, httpc->cancel_event };
2630 DWORD result = WaitForMultipleObjects(2, handles, FALSE, DEFAULT_NCACN_HTTP_TIMEOUT);
2631 if (result != WAIT_OBJECT_0)
2632 {
2633 TRACE("call cancelled\n");
2634 return -1;
2635 }
2636 }
2637 else
2638 {
2639 RpcHttpAsyncData_Release(httpc->async_data);
2640 return -1;
2641 }
2642 }
2643
2644 /* success */
2645 return 0;
2646 }
2647
2648 static size_t rpcrt4_ncacn_http_get_top_of_tower(unsigned char *tower_data,
2649 const char *networkaddr,
2650 const char *endpoint)
2651 {
2652 return rpcrt4_ip_tcp_get_top_of_tower(tower_data, networkaddr,
2653 EPM_PROTOCOL_HTTP, endpoint);
2654 }
2655
2656 static RPC_STATUS rpcrt4_ncacn_http_parse_top_of_tower(const unsigned char *tower_data,
2657 size_t tower_size,
2658 char **networkaddr,
2659 char **endpoint)
2660 {
2661 return rpcrt4_ip_tcp_parse_top_of_tower(tower_data, tower_size,
2662 networkaddr, EPM_PROTOCOL_HTTP,
2663 endpoint);
2664 }
2665
2666 static const struct connection_ops conn_protseq_list[] = {
2667 { "ncacn_np",
2668 { EPM_PROTOCOL_NCACN, EPM_PROTOCOL_SMB },
2669 rpcrt4_conn_np_alloc,
2670 rpcrt4_ncacn_np_open,
2671 rpcrt4_ncacn_np_handoff,
2672 rpcrt4_conn_np_read,
2673 rpcrt4_conn_np_write,
2674 rpcrt4_conn_np_close,
2675 rpcrt4_conn_np_cancel_call,
2676 rpcrt4_conn_np_wait_for_incoming_data,
2677 rpcrt4_ncacn_np_get_top_of_tower,
2678 rpcrt4_ncacn_np_parse_top_of_tower,
2679 NULL,
2680 },
2681 { "ncalrpc",
2682 { EPM_PROTOCOL_NCALRPC, EPM_PROTOCOL_PIPE },
2683 rpcrt4_conn_np_alloc,
2684 rpcrt4_ncalrpc_open,
2685 rpcrt4_ncalrpc_handoff,
2686 rpcrt4_conn_np_read,
2687 rpcrt4_conn_np_write,
2688 rpcrt4_conn_np_close,
2689 rpcrt4_conn_np_cancel_call,
2690 rpcrt4_conn_np_wait_for_incoming_data,
2691 rpcrt4_ncalrpc_get_top_of_tower,
2692 rpcrt4_ncalrpc_parse_top_of_tower,
2693 NULL,
2694 },
2695 { "ncacn_ip_tcp",
2696 { EPM_PROTOCOL_NCACN, EPM_PROTOCOL_TCP },
2697 rpcrt4_conn_tcp_alloc,
2698 rpcrt4_ncacn_ip_tcp_open,
2699 rpcrt4_conn_tcp_handoff,
2700 rpcrt4_conn_tcp_read,
2701 rpcrt4_conn_tcp_write,
2702 rpcrt4_conn_tcp_close,
2703 rpcrt4_conn_tcp_cancel_call,
2704 rpcrt4_conn_tcp_wait_for_incoming_data,
2705 rpcrt4_ncacn_ip_tcp_get_top_of_tower,
2706 rpcrt4_ncacn_ip_tcp_parse_top_of_tower,
2707 NULL,
2708 },
2709 { "ncacn_http",
2710 { EPM_PROTOCOL_NCACN, EPM_PROTOCOL_HTTP },
2711 rpcrt4_ncacn_http_alloc,
2712 rpcrt4_ncacn_http_open,
2713 rpcrt4_ncacn_http_handoff,
2714 rpcrt4_ncacn_http_read,
2715 rpcrt4_ncacn_http_write,
2716 rpcrt4_ncacn_http_close,
2717 rpcrt4_ncacn_http_cancel_call,
2718 rpcrt4_ncacn_http_wait_for_incoming_data,
2719 rpcrt4_ncacn_http_get_top_of_tower,
2720 rpcrt4_ncacn_http_parse_top_of_tower,
2721 rpcrt4_ncacn_http_receive_fragment,
2722 },
2723 };
2724
2725
2726 static const struct protseq_ops protseq_list[] =
2727 {
2728 {
2729 "ncacn_np",
2730 rpcrt4_protseq_np_alloc,
2731 rpcrt4_protseq_np_signal_state_changed,
2732 rpcrt4_protseq_np_get_wait_array,
2733 rpcrt4_protseq_np_free_wait_array,
2734 rpcrt4_protseq_np_wait_for_new_connection,
2735 rpcrt4_protseq_ncacn_np_open_endpoint,
2736 },
2737 {
2738 "ncalrpc",
2739 rpcrt4_protseq_np_alloc,
2740 rpcrt4_protseq_np_signal_state_changed,
2741 rpcrt4_protseq_np_get_wait_array,
2742 rpcrt4_protseq_np_free_wait_array,
2743 rpcrt4_protseq_np_wait_for_new_connection,
2744 rpcrt4_protseq_ncalrpc_open_endpoint,
2745 },
2746 {
2747 "ncacn_ip_tcp",
2748 rpcrt4_protseq_sock_alloc,
2749 rpcrt4_protseq_sock_signal_state_changed,
2750 rpcrt4_protseq_sock_get_wait_array,
2751 rpcrt4_protseq_sock_free_wait_array,
2752 rpcrt4_protseq_sock_wait_for_new_connection,
2753 rpcrt4_protseq_ncacn_ip_tcp_open_endpoint,
2754 },
2755 };
2756
2757 #define ARRAYSIZE(a) (sizeof((a)) / sizeof((a)[0]))
2758
2759 const struct protseq_ops *rpcrt4_get_protseq_ops(const char *protseq)
2760 {
2761 unsigned int i;
2762 for(i=0; i<ARRAYSIZE(protseq_list); i++)
2763 if (!strcmp(protseq_list[i].name, protseq))
2764 return &protseq_list[i];
2765 return NULL;
2766 }
2767
2768 static const struct connection_ops *rpcrt4_get_conn_protseq_ops(const char *protseq)
2769 {
2770 unsigned int i;
2771 for(i=0; i<ARRAYSIZE(conn_protseq_list); i++)
2772 if (!strcmp(conn_protseq_list[i].name, protseq))
2773 return &conn_protseq_list[i];
2774 return NULL;
2775 }
2776
2777 /**** interface to rest of code ****/
2778
2779 RPC_STATUS RPCRT4_OpenClientConnection(RpcConnection* Connection)
2780 {
2781 TRACE("(Connection == ^%p)\n", Connection);
2782
2783 assert(!Connection->server);
2784 return Connection->ops->open_connection_client(Connection);
2785 }
2786
2787 RPC_STATUS RPCRT4_CloseConnection(RpcConnection* Connection)
2788 {
2789 TRACE("(Connection == ^%p)\n", Connection);
2790 if (SecIsValidHandle(&Connection->ctx))
2791 {
2792 DeleteSecurityContext(&Connection->ctx);
2793 SecInvalidateHandle(&Connection->ctx);
2794 }
2795 rpcrt4_conn_close(Connection);
2796 return RPC_S_OK;
2797 }
2798
2799 RPC_STATUS RPCRT4_CreateConnection(RpcConnection** Connection, BOOL server,
2800 LPCSTR Protseq, LPCSTR NetworkAddr, LPCSTR Endpoint,
2801 LPCWSTR NetworkOptions, RpcAuthInfo* AuthInfo, RpcQualityOfService *QOS)
2802 {
2803 const struct connection_ops *ops;
2804 RpcConnection* NewConnection;
2805
2806 ops = rpcrt4_get_conn_protseq_ops(Protseq);
2807 if (!ops)
2808 {
2809 FIXME("not supported for protseq %s\n", Protseq);
2810 return RPC_S_PROTSEQ_NOT_SUPPORTED;
2811 }
2812
2813 NewConnection = ops->alloc();
2814 NewConnection->Next = NULL;
2815 NewConnection->server_binding = NULL;
2816 NewConnection->server = server;
2817 NewConnection->ops = ops;
2818 NewConnection->NetworkAddr = RPCRT4_strdupA(NetworkAddr);
2819 NewConnection->Endpoint = RPCRT4_strdupA(Endpoint);
2820 NewConnection->NetworkOptions = RPCRT4_strdupW(NetworkOptions);
2821 NewConnection->MaxTransmissionSize = RPC_MAX_PACKET_SIZE;
2822 memset(&NewConnection->ActiveInterface, 0, sizeof(NewConnection->ActiveInterface));
2823 NewConnection->NextCallId = 1;
2824
2825 SecInvalidateHandle(&NewConnection->ctx);
2826 memset(&NewConnection->exp, 0, sizeof(NewConnection->exp));
2827 NewConnection->attr = 0;
2828 if (AuthInfo) RpcAuthInfo_AddRef(AuthInfo);
2829 NewConnection->AuthInfo = AuthInfo;
2830 NewConnection->encryption_auth_len = 0;
2831 NewConnection->signature_auth_len = 0;
2832 if (QOS) RpcQualityOfService_AddRef(QOS);
2833 NewConnection->QOS = QOS;
2834
2835 list_init(&NewConnection->conn_pool_entry);
2836 NewConnection->async_state = NULL;
2837
2838 TRACE("connection: %p\n", NewConnection);
2839 *Connection = NewConnection;
2840
2841 return RPC_S_OK;
2842 }
2843
2844 static RPC_STATUS RPCRT4_SpawnConnection(RpcConnection** Connection, RpcConnection* OldConnection)
2845 {
2846 RPC_STATUS err;
2847
2848 err = RPCRT4_CreateConnection(Connection, OldConnection->server,
2849 rpcrt4_conn_get_name(OldConnection),
2850 OldConnection->NetworkAddr,
2851 OldConnection->Endpoint, NULL,
2852 OldConnection->AuthInfo, OldConnection->QOS);
2853 if (err == RPC_S_OK)
2854 rpcrt4_conn_handoff(OldConnection, *Connection);
2855 return err;
2856 }
2857
2858 RPC_STATUS RPCRT4_DestroyConnection(RpcConnection* Connection)
2859 {
2860 TRACE("connection: %p\n", Connection);
2861
2862 RPCRT4_CloseConnection(Connection);
2863 RPCRT4_strfree(Connection->Endpoint);
2864 RPCRT4_strfree(Connection->NetworkAddr);
2865 HeapFree(GetProcessHeap(), 0, Connection->NetworkOptions);
2866 if (Connection->AuthInfo) RpcAuthInfo_Release(Connection->AuthInfo);
2867 if (Connection->QOS) RpcQualityOfService_Release(Connection->QOS);
2868
2869 /* server-only */
2870 if (Connection->server_binding) RPCRT4_ReleaseBinding(Connection->server_binding);
2871
2872 HeapFree(GetProcessHeap(), 0, Connection);
2873 return RPC_S_OK;
2874 }
2875
2876 RPC_STATUS RpcTransport_GetTopOfTower(unsigned char *tower_data,
2877 size_t *tower_size,
2878 const char *protseq,
2879 const char *networkaddr,
2880 const char *endpoint)
2881 {
2882 twr_empty_floor_t *protocol_floor;
2883 const struct connection_ops *protseq_ops = rpcrt4_get_conn_protseq_ops(protseq);
2884
2885 *tower_size = 0;
2886
2887 if (!protseq_ops)
2888 return RPC_S_INVALID_RPC_PROTSEQ;
2889
2890 if (!tower_data)
2891 {
2892 *tower_size = sizeof(*protocol_floor);
2893 *tower_size += protseq_ops->get_top_of_tower(NULL, networkaddr, endpoint);
2894 return RPC_S_OK;
2895 }
2896
2897 protocol_floor = (twr_empty_floor_t *)tower_data;
2898 protocol_floor->count_lhs = sizeof(protocol_floor->protid);
2899 protocol_floor->protid = protseq_ops->epm_protocols[0];
2900 protocol_floor->count_rhs = 0;
2901
2902 tower_data += sizeof(*protocol_floor);
2903
2904 *tower_size = protseq_ops->get_top_of_tower(tower_data, networkaddr, endpoint);
2905 if (!*tower_size)
2906 return EPT_S_NOT_REGISTERED;
2907
2908 *tower_size += sizeof(*protocol_floor);
2909
2910 return RPC_S_OK;
2911 }
2912
2913 RPC_STATUS RpcTransport_ParseTopOfTower(const unsigned char *tower_data,
2914 size_t tower_size,
2915 char **protseq,
2916 char **networkaddr,
2917 char **endpoint)
2918 {
2919 const twr_empty_floor_t *protocol_floor;
2920 const twr_empty_floor_t *floor4;
2921 const struct connection_ops *protseq_ops = NULL;
2922 RPC_STATUS status;
2923 unsigned int i;
2924
2925 if (tower_size < sizeof(*protocol_floor))
2926 return EPT_S_NOT_REGISTERED;
2927
2928 protocol_floor = (const twr_empty_floor_t *)tower_data;
2929 tower_data += sizeof(*protocol_floor);
2930 tower_size -= sizeof(*protocol_floor);
2931 if ((protocol_floor->count_lhs != sizeof(protocol_floor->protid)) ||
2932 (protocol_floor->count_rhs > tower_size))
2933 return EPT_S_NOT_REGISTERED;
2934 tower_data += protocol_floor->count_rhs;
2935 tower_size -= protocol_floor->count_rhs;
2936
2937 floor4 = (const twr_empty_floor_t *)tower_data;
2938 if ((tower_size < sizeof(*floor4)) ||
2939 (floor4->count_lhs != sizeof(floor4->protid)))
2940 return EPT_S_NOT_REGISTERED;
2941
2942 for(i = 0; i < ARRAYSIZE(conn_protseq_list); i++)
2943 if ((protocol_floor->protid == conn_protseq_list[i].epm_protocols[0]) &&
2944 (floor4->protid == conn_protseq_list[i].epm_protocols[1]))
2945 {
2946 protseq_ops = &conn_protseq_list[i];
2947 break;
2948 }
2949
2950 if (!protseq_ops)
2951 return EPT_S_NOT_REGISTERED;
2952
2953 status = protseq_ops->parse_top_of_tower(tower_data, tower_size, networkaddr, endpoint);
2954
2955 if ((status == RPC_S_OK) && protseq)
2956 {
2957 *protseq = I_RpcAllocate(strlen(protseq_ops->name) + 1);
2958 strcpy(*protseq, protseq_ops->name);
2959 }
2960
2961 return status;
2962 }
2963
2964 /***********************************************************************
2965 * RpcNetworkIsProtseqValidW (RPCRT4.@)
2966 *
2967 * Checks if the given protocol sequence is known by the RPC system.
2968 * If it is, returns RPC_S_OK, otherwise RPC_S_PROTSEQ_NOT_SUPPORTED.
2969 *
2970 */
2971 RPC_STATUS WINAPI RpcNetworkIsProtseqValidW(RPC_WSTR protseq)
2972 {
2973 char ps[0x10];
2974
2975 WideCharToMultiByte(CP_ACP, 0, protseq, -1,
2976 ps, sizeof ps, NULL, NULL);
2977 if (rpcrt4_get_conn_protseq_ops(ps))
2978 return RPC_S_OK;
2979
2980 FIXME("Unknown protseq %s\n", debugstr_w(protseq));
2981
2982 return RPC_S_INVALID_RPC_PROTSEQ;
2983 }
2984
2985 /***********************************************************************
2986 * RpcNetworkIsProtseqValidA (RPCRT4.@)
2987 */
2988 RPC_STATUS WINAPI RpcNetworkIsProtseqValidA(RPC_CSTR protseq)
2989 {
2990 UNICODE_STRING protseqW;
2991
2992 if (RtlCreateUnicodeStringFromAsciiz(&protseqW, (char*)protseq))
2993 {
2994 RPC_STATUS ret = RpcNetworkIsProtseqValidW(protseqW.Buffer);
2995 RtlFreeUnicodeString(&protseqW);
2996 return ret;
2997 }
2998 return RPC_S_OUT_OF_MEMORY;
2999 }
useful hacks and other patches not (yet) suitable for mainline