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windowscodecs: Remove not reachable code in the TIFF decoder.
[wine/multimedia.git] / dlls / rpcrt4 / rpc_transport.c
blobf873f7100247dcbce262f50afef95b189616c010
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 INTERNET_BUFFERSA inet_buffers;
1848 void *destination_buffer; /* the address that inet_buffers.lpvBuffer will be
1849 * copied into when the call completes */
1850 CRITICAL_SECTION cs;
1851 } RpcHttpAsyncData;
1852
1853 static ULONG RpcHttpAsyncData_AddRef(RpcHttpAsyncData *data)
1854 {
1855 return InterlockedIncrement(&data->refs);
1856 }
1857
1858 static ULONG RpcHttpAsyncData_Release(RpcHttpAsyncData *data)
1859 {
1860 ULONG refs = InterlockedDecrement(&data->refs);
1861 if (!refs)
1862 {
1863 TRACE("destroying async data %p\n", data);
1864 CloseHandle(data->completion_event);
1865 HeapFree(GetProcessHeap(), 0, data->inet_buffers.lpvBuffer);
1866 data->cs.DebugInfo->Spare[0] = 0;
1867 DeleteCriticalSection(&data->cs);
1868 HeapFree(GetProcessHeap(), 0, data);
1869 }
1870 return refs;
1871 }
1872
1873 typedef struct _RpcConnection_http
1874 {
1875 RpcConnection common;
1876 HINTERNET app_info;
1877 HINTERNET session;
1878 HINTERNET in_request;
1879 HINTERNET out_request;
1880 HANDLE timer_cancelled;
1881 HANDLE cancel_event;
1882 DWORD last_sent_time;
1883 ULONG bytes_received;
1884 ULONG flow_control_mark; /* send a control packet to the server when this many bytes received */
1885 ULONG flow_control_increment; /* number of bytes to increment flow_control_mark by */
1886 UUID connection_uuid;
1887 UUID in_pipe_uuid;
1888 UUID out_pipe_uuid;
1889 RpcHttpAsyncData *async_data;
1890 } RpcConnection_http;
1891
1892 static RpcConnection *rpcrt4_ncacn_http_alloc(void)
1893 {
1894 RpcConnection_http *httpc;
1895 httpc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*httpc));
1896 if (!httpc) return NULL;
1897 httpc->async_data = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(RpcHttpAsyncData));
1898 if (!httpc->async_data)
1899 {
1900 HeapFree(GetProcessHeap(), 0, httpc);
1901 return NULL;
1902 }
1903 TRACE("async data = %p\n", httpc->async_data);
1904 httpc->cancel_event = CreateEventW(NULL, FALSE, FALSE, NULL);
1905 httpc->async_data->refs = 1;
1906 httpc->async_data->inet_buffers.dwStructSize = sizeof(INTERNET_BUFFERSA);
1907 httpc->async_data->inet_buffers.lpvBuffer = NULL;
1908 httpc->async_data->destination_buffer = NULL;
1909 InitializeCriticalSection(&httpc->async_data->cs);
1910 httpc->async_data->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": RpcHttpAsyncData.cs");
1911 return &httpc->common;
1912 }
1913
1914 typedef struct _HttpTimerThreadData
1915 {
1916 PVOID timer_param;
1917 DWORD *last_sent_time;
1918 HANDLE timer_cancelled;
1919 } HttpTimerThreadData;
1920
1921 static VOID rpcrt4_http_keep_connection_active_timer_proc(PVOID param, BOOLEAN dummy)
1922 {
1923 HINTERNET in_request = param;
1924 RpcPktHdr *idle_pkt;
1925
1926 idle_pkt = RPCRT4_BuildHttpHeader(NDR_LOCAL_DATA_REPRESENTATION, 0x0001,
1927 0, 0);
1928 if (idle_pkt)
1929 {
1930 DWORD bytes_written;
1931 InternetWriteFile(in_request, idle_pkt, idle_pkt->common.frag_len, &bytes_written);
1932 RPCRT4_FreeHeader(idle_pkt);
1933 }
1934 }
1935
1936 static inline DWORD rpcrt4_http_timer_calc_timeout(DWORD *last_sent_time)
1937 {
1938 DWORD cur_time = GetTickCount();
1939 DWORD cached_last_sent_time = *last_sent_time;
1940 return HTTP_IDLE_TIME - (cur_time - cached_last_sent_time > HTTP_IDLE_TIME ? 0 : cur_time - cached_last_sent_time);
1941 }
1942
1943 static DWORD CALLBACK rpcrt4_http_timer_thread(PVOID param)
1944 {
1945 HttpTimerThreadData *data_in = param;
1946 HttpTimerThreadData data;
1947 DWORD timeout;
1948
1949 data = *data_in;
1950 HeapFree(GetProcessHeap(), 0, data_in);
1951
1952 for (timeout = HTTP_IDLE_TIME;
1953 WaitForSingleObject(data.timer_cancelled, timeout) == WAIT_TIMEOUT;
1954 timeout = rpcrt4_http_timer_calc_timeout(data.last_sent_time))
1955 {
1956 /* are we too soon after last send? */
1957 if (GetTickCount() - HTTP_IDLE_TIME < *data.last_sent_time)
1958 continue;
1959 rpcrt4_http_keep_connection_active_timer_proc(data.timer_param, TRUE);
1960 }
1961
1962 CloseHandle(data.timer_cancelled);
1963 return 0;
1964 }
1965
1966 static VOID WINAPI rpcrt4_http_internet_callback(
1967 HINTERNET hInternet,
1968 DWORD_PTR dwContext,
1969 DWORD dwInternetStatus,
1970 LPVOID lpvStatusInformation,
1971 DWORD dwStatusInformationLength)
1972 {
1973 RpcHttpAsyncData *async_data = (RpcHttpAsyncData *)dwContext;
1974
1975 switch (dwInternetStatus)
1976 {
1977 case INTERNET_STATUS_REQUEST_COMPLETE:
1978 TRACE("INTERNET_STATUS_REQUEST_COMPLETED\n");
1979 if (async_data)
1980 {
1981 if (async_data->inet_buffers.lpvBuffer)
1982 {
1983 EnterCriticalSection(&async_data->cs);
1984 if (async_data->destination_buffer)
1985 {
1986 memcpy(async_data->destination_buffer,
1987 async_data->inet_buffers.lpvBuffer,
1988 async_data->inet_buffers.dwBufferLength);
1989 async_data->destination_buffer = NULL;
1990 }
1991 LeaveCriticalSection(&async_data->cs);
1992 }
1993 HeapFree(GetProcessHeap(), 0, async_data->inet_buffers.lpvBuffer);
1994 async_data->inet_buffers.lpvBuffer = NULL;
1995 SetEvent(async_data->completion_event);
1996 RpcHttpAsyncData_Release(async_data);
1997 }
1998 break;
1999 }
2000 }
2001
2002 static RPC_STATUS rpcrt4_http_check_response(HINTERNET hor)
2003 {
2004 BOOL ret;
2005 DWORD status_code;
2006 DWORD size;
2007 DWORD index;
2008 WCHAR buf[32];
2009 WCHAR *status_text = buf;
2010 TRACE("\n");
2011
2012 index = 0;
2013 size = sizeof(status_code);
2014 ret = HttpQueryInfoW(hor, HTTP_QUERY_STATUS_CODE|HTTP_QUERY_FLAG_NUMBER, &status_code, &size, &index);
2015 if (!ret)
2016 return GetLastError();
2017 if (status_code < 400)
2018 return RPC_S_OK;
2019 index = 0;
2020 size = sizeof(buf);
2021 ret = HttpQueryInfoW(hor, HTTP_QUERY_STATUS_TEXT, status_text, &size, &index);
2022 if (!ret && GetLastError() == ERROR_INSUFFICIENT_BUFFER)
2023 {
2024 status_text = HeapAlloc(GetProcessHeap(), 0, size);
2025 ret = HttpQueryInfoW(hor, HTTP_QUERY_STATUS_TEXT, status_text, &size, &index);
2026 }
2027
2028 ERR("server returned: %d %s\n", status_code, ret ? debugstr_w(status_text) : "<status text unavailable>");
2029 if(status_text != buf) HeapFree(GetProcessHeap(), 0, status_text);
2030
2031 if (status_code == HTTP_STATUS_DENIED)
2032 return ERROR_ACCESS_DENIED;
2033 return RPC_S_SERVER_UNAVAILABLE;
2034 }
2035
2036 static RPC_STATUS rpcrt4_http_internet_connect(RpcConnection_http *httpc)
2037 {
2038 static const WCHAR wszUserAgent[] = {'M','S','R','P','C',0};
2039 LPWSTR proxy = NULL;
2040 LPWSTR user = NULL;
2041 LPWSTR password = NULL;
2042 LPWSTR servername = NULL;
2043 const WCHAR *option;
2044 INTERNET_PORT port = INTERNET_INVALID_PORT_NUMBER; /* use default port */
2045
2046 if (httpc->common.QOS &&
2047 (httpc->common.QOS->qos->AdditionalSecurityInfoType == RPC_C_AUTHN_INFO_TYPE_HTTP))
2048 {
2049 const RPC_HTTP_TRANSPORT_CREDENTIALS_W *http_cred = httpc->common.QOS->qos->u.HttpCredentials;
2050 if (http_cred->TransportCredentials)
2051 {
2052 WCHAR *p;
2053 const SEC_WINNT_AUTH_IDENTITY_W *cred = http_cred->TransportCredentials;
2054 ULONG len = cred->DomainLength + 1 + cred->UserLength;
2055 user = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
2056 if (!user)
2057 return RPC_S_OUT_OF_RESOURCES;
2058 p = user;
2059 if (cred->DomainLength)
2060 {
2061 memcpy(p, cred->Domain, cred->DomainLength * sizeof(WCHAR));
2062 p += cred->DomainLength;
2063 *p = '\\';
2064 p++;
2065 }
2066 memcpy(p, cred->User, cred->UserLength * sizeof(WCHAR));
2067 p[cred->UserLength] = 0;
2068
2069 password = RPCRT4_strndupW(cred->Password, cred->PasswordLength);
2070 }
2071 }
2072
2073 for (option = httpc->common.NetworkOptions; option;
2074 option = (strchrW(option, ',') ? strchrW(option, ',')+1 : NULL))
2075 {
2076 static const WCHAR wszRpcProxy[] = {'R','p','c','P','r','o','x','y','=',0};
2077 static const WCHAR wszHttpProxy[] = {'H','t','t','p','P','r','o','x','y','=',0};
2078
2079 if (!strncmpiW(option, wszRpcProxy, sizeof(wszRpcProxy)/sizeof(wszRpcProxy[0])-1))
2080 {
2081 const WCHAR *value_start = option + sizeof(wszRpcProxy)/sizeof(wszRpcProxy[0])-1;
2082 const WCHAR *value_end;
2083 const WCHAR *p;
2084
2085 value_end = strchrW(option, ',');
2086 if (!value_end)
2087 value_end = value_start + strlenW(value_start);
2088 for (p = value_start; p < value_end; p++)
2089 if (*p == ':')
2090 {
2091 port = atoiW(p+1);
2092 value_end = p;
2093 break;
2094 }
2095 TRACE("RpcProxy value is %s\n", debugstr_wn(value_start, value_end-value_start));
2096 servername = RPCRT4_strndupW(value_start, value_end-value_start);
2097 }
2098 else if (!strncmpiW(option, wszHttpProxy, sizeof(wszHttpProxy)/sizeof(wszHttpProxy[0])-1))
2099 {
2100 const WCHAR *value_start = option + sizeof(wszHttpProxy)/sizeof(wszHttpProxy[0])-1;
2101 const WCHAR *value_end;
2102
2103 value_end = strchrW(option, ',');
2104 if (!value_end)
2105 value_end = value_start + strlenW(value_start);
2106 TRACE("HttpProxy value is %s\n", debugstr_wn(value_start, value_end-value_start));
2107 proxy = RPCRT4_strndupW(value_start, value_end-value_start);
2108 }
2109 else
2110 FIXME("unhandled option %s\n", debugstr_w(option));
2111 }
2112
2113 httpc->app_info = InternetOpenW(wszUserAgent, proxy ? INTERNET_OPEN_TYPE_PROXY : INTERNET_OPEN_TYPE_PRECONFIG,
2114 NULL, NULL, INTERNET_FLAG_ASYNC);
2115 if (!httpc->app_info)
2116 {
2117 HeapFree(GetProcessHeap(), 0, password);
2118 HeapFree(GetProcessHeap(), 0, user);
2119 ERR("InternetOpenW failed with error %d\n", GetLastError());
2120 return RPC_S_SERVER_UNAVAILABLE;
2121 }
2122 InternetSetStatusCallbackW(httpc->app_info, rpcrt4_http_internet_callback);
2123
2124 /* if no RpcProxy option specified, set the HTTP server address to the
2125 * RPC server address */
2126 if (!servername)
2127 {
2128 servername = HeapAlloc(GetProcessHeap(), 0, (strlen(httpc->common.NetworkAddr) + 1)*sizeof(WCHAR));
2129 if (!servername)
2130 {
2131 HeapFree(GetProcessHeap(), 0, password);
2132 HeapFree(GetProcessHeap(), 0, user);
2133 return RPC_S_OUT_OF_RESOURCES;
2134 }
2135 MultiByteToWideChar(CP_ACP, 0, httpc->common.NetworkAddr, -1, servername, strlen(httpc->common.NetworkAddr) + 1);
2136 }
2137
2138 httpc->session = InternetConnectW(httpc->app_info, servername, port, user, password,
2139 INTERNET_SERVICE_HTTP, 0, 0);
2140
2141 HeapFree(GetProcessHeap(), 0, password);
2142 HeapFree(GetProcessHeap(), 0, user);
2143 HeapFree(GetProcessHeap(), 0, servername);
2144
2145 if (!httpc->session)
2146 {
2147 ERR("InternetConnectW failed with error %d\n", GetLastError());
2148 return RPC_S_SERVER_UNAVAILABLE;
2149 }
2150
2151 return RPC_S_OK;
2152 }
2153
2154 /* prepare the in pipe for use by RPC packets */
2155 static RPC_STATUS rpcrt4_http_prepare_in_pipe(HINTERNET in_request, RpcHttpAsyncData *async_data,
2156 const UUID *connection_uuid,
2157 const UUID *in_pipe_uuid,
2158 const UUID *association_uuid)
2159 {
2160 BYTE packet[44];
2161 BOOL ret;
2162 RPC_STATUS status;
2163 RpcPktHdr *hdr;
2164 INTERNET_BUFFERSW buffers_in;
2165 DWORD bytes_read, bytes_written;
2166
2167 /* prepare in pipe */
2168 ResetEvent(async_data->completion_event);
2169 RpcHttpAsyncData_AddRef(async_data);
2170 ret = HttpSendRequestW(in_request, NULL, 0, NULL, 0);
2171 if (!ret)
2172 {
2173 if (GetLastError() == ERROR_IO_PENDING)
2174 WaitForSingleObject(async_data->completion_event, INFINITE);
2175 else
2176 {
2177 RpcHttpAsyncData_Release(async_data);
2178 ERR("HttpSendRequestW failed with error %d\n", GetLastError());
2179 return RPC_S_SERVER_UNAVAILABLE;
2180 }
2181 }
2182 status = rpcrt4_http_check_response(in_request);
2183 if (status != RPC_S_OK) return status;
2184
2185 InternetReadFile(in_request, packet, 20, &bytes_read);
2186 /* FIXME: do something with retrieved data */
2187
2188 memset(&buffers_in, 0, sizeof(buffers_in));
2189 buffers_in.dwStructSize = sizeof(buffers_in);
2190 /* FIXME: get this from the registry */
2191 buffers_in.dwBufferTotal = 1024 * 1024 * 1024; /* 1Gb */
2192 ResetEvent(async_data->completion_event);
2193 RpcHttpAsyncData_AddRef(async_data);
2194 ret = HttpSendRequestExW(in_request, &buffers_in, NULL, 0, 0);
2195 if (!ret)
2196 {
2197 if (GetLastError() == ERROR_IO_PENDING)
2198 WaitForSingleObject(async_data->completion_event, INFINITE);
2199 else
2200 {
2201 RpcHttpAsyncData_Release(async_data);
2202 ERR("HttpSendRequestExW failed with error %d\n", GetLastError());
2203 return RPC_S_SERVER_UNAVAILABLE;
2204 }
2205 }
2206
2207 TRACE("sending HTTP connect header to server\n");
2208 hdr = RPCRT4_BuildHttpConnectHeader(0, FALSE, connection_uuid, in_pipe_uuid, association_uuid);
2209 if (!hdr) return RPC_S_OUT_OF_RESOURCES;
2210 ret = InternetWriteFile(in_request, hdr, hdr->common.frag_len, &bytes_written);
2211 RPCRT4_FreeHeader(hdr);
2212 if (!ret)
2213 {
2214 ERR("InternetWriteFile failed with error %d\n", GetLastError());
2215 return RPC_S_SERVER_UNAVAILABLE;
2216 }
2217
2218 return RPC_S_OK;
2219 }
2220
2221 static RPC_STATUS rpcrt4_http_read_http_packet(HINTERNET request, RpcPktHdr *hdr, BYTE **data)
2222 {
2223 BOOL ret;
2224 DWORD bytes_read;
2225 unsigned short data_len;
2226
2227 ret = InternetReadFile(request, hdr, sizeof(hdr->common), &bytes_read);
2228 if (!ret)
2229 return RPC_S_SERVER_UNAVAILABLE;
2230 if (hdr->common.ptype != PKT_HTTP || hdr->common.frag_len < sizeof(hdr->http))
2231 {
2232 ERR("wrong packet type received %d or wrong frag_len %d\n",
2233 hdr->common.ptype, hdr->common.frag_len);
2234 return RPC_S_PROTOCOL_ERROR;
2235 }
2236
2237 ret = InternetReadFile(request, &hdr->common + 1, sizeof(hdr->http) - sizeof(hdr->common), &bytes_read);
2238 if (!ret)
2239 return RPC_S_SERVER_UNAVAILABLE;
2240
2241 data_len = hdr->common.frag_len - sizeof(hdr->http);
2242 if (data_len)
2243 {
2244 *data = HeapAlloc(GetProcessHeap(), 0, data_len);
2245 if (!*data)
2246 return RPC_S_OUT_OF_RESOURCES;
2247 ret = InternetReadFile(request, *data, data_len, &bytes_read);
2248 if (!ret)
2249 {
2250 HeapFree(GetProcessHeap(), 0, *data);
2251 return RPC_S_SERVER_UNAVAILABLE;
2252 }
2253 }
2254 else
2255 *data = NULL;
2256
2257 if (!RPCRT4_IsValidHttpPacket(hdr, *data, data_len))
2258 {
2259 ERR("invalid http packet\n");
2260 return RPC_S_PROTOCOL_ERROR;
2261 }
2262
2263 return RPC_S_OK;
2264 }
2265
2266 /* prepare the out pipe for use by RPC packets */
2267 static RPC_STATUS rpcrt4_http_prepare_out_pipe(HINTERNET out_request,
2268 RpcHttpAsyncData *async_data,
2269 const UUID *connection_uuid,
2270 const UUID *out_pipe_uuid,
2271 ULONG *flow_control_increment)
2272 {
2273 BYTE packet[20];
2274 BOOL ret;
2275 RPC_STATUS status;
2276 RpcPktHdr *hdr;
2277 DWORD bytes_read;
2278 BYTE *data_from_server;
2279 RpcPktHdr pkt_from_server;
2280 ULONG field1, field3;
2281
2282 ResetEvent(async_data->completion_event);
2283 RpcHttpAsyncData_AddRef(async_data);
2284 ret = HttpSendRequestW(out_request, NULL, 0, NULL, 0);
2285 if (!ret)
2286 {
2287 if (GetLastError() == ERROR_IO_PENDING)
2288 WaitForSingleObject(async_data->completion_event, INFINITE);
2289 else
2290 {
2291 RpcHttpAsyncData_Release(async_data);
2292 ERR("HttpSendRequestW failed with error %d\n", GetLastError());
2293 return RPC_S_SERVER_UNAVAILABLE;
2294 }
2295 }
2296 status = rpcrt4_http_check_response(out_request);
2297 if (status != RPC_S_OK) return status;
2298
2299 InternetReadFile(out_request, packet, 20, &bytes_read);
2300 /* FIXME: do something with retrieved data */
2301
2302 hdr = RPCRT4_BuildHttpConnectHeader(0, TRUE, connection_uuid, out_pipe_uuid, NULL);
2303 if (!hdr) return RPC_S_OUT_OF_RESOURCES;
2304 ResetEvent(async_data->completion_event);
2305 RpcHttpAsyncData_AddRef(async_data);
2306 ret = HttpSendRequestW(out_request, NULL, 0, hdr, hdr->common.frag_len);
2307 if (!ret)
2308 {
2309 if (GetLastError() == ERROR_IO_PENDING)
2310 WaitForSingleObject(async_data->completion_event, INFINITE);
2311 else
2312 {
2313 RpcHttpAsyncData_Release(async_data);
2314 ERR("HttpSendRequestW failed with error %d\n", GetLastError());
2315 RPCRT4_FreeHeader(hdr);
2316 return RPC_S_SERVER_UNAVAILABLE;
2317 }
2318 }
2319 RPCRT4_FreeHeader(hdr);
2320 status = rpcrt4_http_check_response(out_request);
2321 if (status != RPC_S_OK) return status;
2322
2323 status = rpcrt4_http_read_http_packet(out_request, &pkt_from_server,
2324 &data_from_server);
2325 if (status != RPC_S_OK) return status;
2326 status = RPCRT4_ParseHttpPrepareHeader1(&pkt_from_server, data_from_server,
2327 &field1);
2328 HeapFree(GetProcessHeap(), 0, data_from_server);
2329 if (status != RPC_S_OK) return status;
2330 TRACE("received (%d) from first prepare header\n", field1);
2331
2332 status = rpcrt4_http_read_http_packet(out_request, &pkt_from_server,
2333 &data_from_server);
2334 if (status != RPC_S_OK) return status;
2335 status = RPCRT4_ParseHttpPrepareHeader2(&pkt_from_server, data_from_server,
2336 &field1, flow_control_increment,
2337 &field3);
2338 HeapFree(GetProcessHeap(), 0, data_from_server);
2339 if (status != RPC_S_OK) return status;
2340 TRACE("received (0x%08x 0x%08x %d) from second prepare header\n", field1, *flow_control_increment, field3);
2341
2342 return RPC_S_OK;
2343 }
2344
2345 static RPC_STATUS rpcrt4_ncacn_http_open(RpcConnection* Connection)
2346 {
2347 RpcConnection_http *httpc = (RpcConnection_http *)Connection;
2348 static const WCHAR wszVerbIn[] = {'R','P','C','_','I','N','_','D','A','T','A',0};
2349 static const WCHAR wszVerbOut[] = {'R','P','C','_','O','U','T','_','D','A','T','A',0};
2350 static const WCHAR wszRpcProxyPrefix[] = {'/','r','p','c','/','r','p','c','p','r','o','x','y','.','d','l','l','?',0};
2351 static const WCHAR wszColon[] = {':',0};
2352 static const WCHAR wszAcceptType[] = {'a','p','p','l','i','c','a','t','i','o','n','/','r','p','c',0};
2353 LPCWSTR wszAcceptTypes[] = { wszAcceptType, NULL };
2354 WCHAR *url;
2355 RPC_STATUS status;
2356 BOOL secure;
2357 HttpTimerThreadData *timer_data;
2358 HANDLE thread;
2359
2360 TRACE("(%s, %s)\n", Connection->NetworkAddr, Connection->Endpoint);
2361
2362 if (Connection->server)
2363 {
2364 ERR("ncacn_http servers not supported yet\n");
2365 return RPC_S_SERVER_UNAVAILABLE;
2366 }
2367
2368 if (httpc->in_request)
2369 return RPC_S_OK;
2370
2371 httpc->async_data->completion_event = CreateEventW(NULL, FALSE, FALSE, NULL);
2372
2373 status = UuidCreate(&httpc->connection_uuid);
2374 status = UuidCreate(&httpc->in_pipe_uuid);
2375 status = UuidCreate(&httpc->out_pipe_uuid);
2376
2377 status = rpcrt4_http_internet_connect(httpc);
2378 if (status != RPC_S_OK)
2379 return status;
2380
2381 url = HeapAlloc(GetProcessHeap(), 0, sizeof(wszRpcProxyPrefix) + (strlen(Connection->NetworkAddr) + 1 + strlen(Connection->Endpoint))*sizeof(WCHAR));
2382 if (!url)
2383 return RPC_S_OUT_OF_MEMORY;
2384 memcpy(url, wszRpcProxyPrefix, sizeof(wszRpcProxyPrefix));
2385 MultiByteToWideChar(CP_ACP, 0, Connection->NetworkAddr, -1, url+sizeof(wszRpcProxyPrefix)/sizeof(wszRpcProxyPrefix[0])-1, strlen(Connection->NetworkAddr)+1);
2386 strcatW(url, wszColon);
2387 MultiByteToWideChar(CP_ACP, 0, Connection->Endpoint, -1, url+strlenW(url), strlen(Connection->Endpoint)+1);
2388
2389 secure = httpc->common.QOS &&
2390 (httpc->common.QOS->qos->AdditionalSecurityInfoType == RPC_C_AUTHN_INFO_TYPE_HTTP) &&
2391 (httpc->common.QOS->qos->u.HttpCredentials->Flags & RPC_C_HTTP_FLAG_USE_SSL);
2392
2393 httpc->in_request = HttpOpenRequestW(httpc->session, wszVerbIn, url, NULL, NULL,
2394 wszAcceptTypes,
2395 (secure ? INTERNET_FLAG_SECURE : 0)|INTERNET_FLAG_KEEP_CONNECTION|INTERNET_FLAG_PRAGMA_NOCACHE,
2396 (DWORD_PTR)httpc->async_data);
2397 if (!httpc->in_request)
2398 {
2399 ERR("HttpOpenRequestW failed with error %d\n", GetLastError());
2400 return RPC_S_SERVER_UNAVAILABLE;
2401 }
2402 httpc->out_request = HttpOpenRequestW(httpc->session, wszVerbOut, url, NULL, NULL,
2403 wszAcceptTypes,
2404 (secure ? INTERNET_FLAG_SECURE : 0)|INTERNET_FLAG_KEEP_CONNECTION|INTERNET_FLAG_PRAGMA_NOCACHE,
2405 (DWORD_PTR)httpc->async_data);
2406 if (!httpc->out_request)
2407 {
2408 ERR("HttpOpenRequestW failed with error %d\n", GetLastError());
2409 return RPC_S_SERVER_UNAVAILABLE;
2410 }
2411
2412 status = rpcrt4_http_prepare_in_pipe(httpc->in_request,
2413 httpc->async_data,
2414 &httpc->connection_uuid,
2415 &httpc->in_pipe_uuid,
2416 &Connection->assoc->http_uuid);
2417 if (status != RPC_S_OK)
2418 return status;
2419
2420 status = rpcrt4_http_prepare_out_pipe(httpc->out_request,
2421 httpc->async_data,
2422 &httpc->connection_uuid,
2423 &httpc->out_pipe_uuid,
2424 &httpc->flow_control_increment);
2425 if (status != RPC_S_OK)
2426 return status;
2427
2428 httpc->flow_control_mark = httpc->flow_control_increment / 2;
2429 httpc->last_sent_time = GetTickCount();
2430 httpc->timer_cancelled = CreateEventW(NULL, FALSE, FALSE, NULL);
2431
2432 timer_data = HeapAlloc(GetProcessHeap(), 0, sizeof(*timer_data));
2433 if (!timer_data)
2434 return ERROR_OUTOFMEMORY;
2435 timer_data->timer_param = httpc->in_request;
2436 timer_data->last_sent_time = &httpc->last_sent_time;
2437 timer_data->timer_cancelled = httpc->timer_cancelled;
2438 /* FIXME: should use CreateTimerQueueTimer when implemented */
2439 thread = CreateThread(NULL, 0, rpcrt4_http_timer_thread, timer_data, 0, NULL);
2440 if (!thread)
2441 {
2442 HeapFree(GetProcessHeap(), 0, timer_data);
2443 return GetLastError();
2444 }
2445 CloseHandle(thread);
2446
2447 return RPC_S_OK;
2448 }
2449
2450 static RPC_STATUS rpcrt4_ncacn_http_handoff(RpcConnection *old_conn, RpcConnection *new_conn)
2451 {
2452 assert(0);
2453 return RPC_S_SERVER_UNAVAILABLE;
2454 }
2455
2456 static int rpcrt4_ncacn_http_read(RpcConnection *Connection,
2457 void *buffer, unsigned int count)
2458 {
2459 RpcConnection_http *httpc = (RpcConnection_http *) Connection;
2460 char *buf = buffer;
2461 BOOL ret = TRUE;
2462 unsigned int bytes_left = count;
2463
2464 ResetEvent(httpc->async_data->completion_event);
2465 while (bytes_left)
2466 {
2467 RpcHttpAsyncData_AddRef(httpc->async_data);
2468 httpc->async_data->inet_buffers.dwBufferLength = bytes_left;
2469 httpc->async_data->inet_buffers.lpvBuffer = HeapAlloc(GetProcessHeap(), 0, bytes_left);
2470 httpc->async_data->destination_buffer = buf;
2471 ret = InternetReadFileExA(httpc->out_request, &httpc->async_data->inet_buffers, IRF_ASYNC, 0);
2472 if (ret)
2473 {
2474 /* INTERNET_STATUS_REQUEST_COMPLETED won't be sent, so release our
2475 * async ref now */
2476 RpcHttpAsyncData_Release(httpc->async_data);
2477 memcpy(buf, httpc->async_data->inet_buffers.lpvBuffer,
2478 httpc->async_data->inet_buffers.dwBufferLength);
2479 HeapFree(GetProcessHeap(), 0, httpc->async_data->inet_buffers.lpvBuffer);
2480 httpc->async_data->inet_buffers.lpvBuffer = NULL;
2481 httpc->async_data->destination_buffer = NULL;
2482 }
2483 else
2484 {
2485 if (GetLastError() == ERROR_IO_PENDING)
2486 {
2487 HANDLE handles[2] = { httpc->async_data->completion_event, httpc->cancel_event };
2488 DWORD result = WaitForMultipleObjects(2, handles, FALSE, DEFAULT_NCACN_HTTP_TIMEOUT);
2489 if (result == WAIT_OBJECT_0)
2490 ret = TRUE;
2491 else
2492 {
2493 TRACE("call cancelled\n");
2494 EnterCriticalSection(&httpc->async_data->cs);
2495 httpc->async_data->destination_buffer = NULL;
2496 LeaveCriticalSection(&httpc->async_data->cs);
2497 break;
2498 }
2499 }
2500 else
2501 {
2502 HeapFree(GetProcessHeap(), 0, httpc->async_data->inet_buffers.lpvBuffer);
2503 httpc->async_data->inet_buffers.lpvBuffer = NULL;
2504 httpc->async_data->destination_buffer = NULL;
2505 RpcHttpAsyncData_Release(httpc->async_data);
2506 break;
2507 }
2508 }
2509 if (!httpc->async_data->inet_buffers.dwBufferLength)
2510 break;
2511 bytes_left -= httpc->async_data->inet_buffers.dwBufferLength;
2512 buf += httpc->async_data->inet_buffers.dwBufferLength;
2513 }
2514 TRACE("%p %p %u -> %s\n", httpc->out_request, buffer, count, ret ? "TRUE" : "FALSE");
2515 return ret ? count : -1;
2516 }
2517
2518 static RPC_STATUS rpcrt4_ncacn_http_receive_fragment(RpcConnection *Connection, RpcPktHdr **Header, void **Payload)
2519 {
2520 RpcConnection_http *httpc = (RpcConnection_http *) Connection;
2521 RPC_STATUS status;
2522 DWORD hdr_length;
2523 LONG dwRead;
2524 RpcPktCommonHdr common_hdr;
2525
2526 *Header = NULL;
2527
2528 TRACE("(%p, %p, %p)\n", Connection, Header, Payload);
2529
2530 again:
2531 /* read packet common header */
2532 dwRead = rpcrt4_ncacn_http_read(Connection, &common_hdr, sizeof(common_hdr));
2533 if (dwRead != sizeof(common_hdr)) {
2534 WARN("Short read of header, %d bytes\n", dwRead);
2535 status = RPC_S_PROTOCOL_ERROR;
2536 goto fail;
2537 }
2538 if (!memcmp(&common_hdr, "HTTP/1.1", sizeof("HTTP/1.1")) ||
2539 !memcmp(&common_hdr, "HTTP/1.0", sizeof("HTTP/1.0")))
2540 {
2541 FIXME("server returned %s\n", debugstr_a((const char *)&common_hdr));
2542 status = RPC_S_PROTOCOL_ERROR;
2543 goto fail;
2544 }
2545
2546 status = RPCRT4_ValidateCommonHeader(&common_hdr);
2547 if (status != RPC_S_OK) goto fail;
2548
2549 hdr_length = RPCRT4_GetHeaderSize((RpcPktHdr*)&common_hdr);
2550 if (hdr_length == 0) {
2551 WARN("header length == 0\n");
2552 status = RPC_S_PROTOCOL_ERROR;
2553 goto fail;
2554 }
2555
2556 *Header = HeapAlloc(GetProcessHeap(), 0, hdr_length);
2557 if (!*Header)
2558 {
2559 status = RPC_S_OUT_OF_RESOURCES;
2560 goto fail;
2561 }
2562 memcpy(*Header, &common_hdr, sizeof(common_hdr));
2563
2564 /* read the rest of packet header */
2565 dwRead = rpcrt4_ncacn_http_read(Connection, &(*Header)->common + 1, hdr_length - sizeof(common_hdr));
2566 if (dwRead != hdr_length - sizeof(common_hdr)) {
2567 WARN("bad header length, %d bytes, hdr_length %d\n", dwRead, hdr_length);
2568 status = RPC_S_PROTOCOL_ERROR;
2569 goto fail;
2570 }
2571
2572 if (common_hdr.frag_len - hdr_length)
2573 {
2574 *Payload = HeapAlloc(GetProcessHeap(), 0, common_hdr.frag_len - hdr_length);
2575 if (!*Payload)
2576 {
2577 status = RPC_S_OUT_OF_RESOURCES;
2578 goto fail;
2579 }
2580
2581 dwRead = rpcrt4_ncacn_http_read(Connection, *Payload, common_hdr.frag_len - hdr_length);
2582 if (dwRead != common_hdr.frag_len - hdr_length)
2583 {
2584 WARN("bad data length, %d/%d\n", dwRead, common_hdr.frag_len - hdr_length);
2585 status = RPC_S_PROTOCOL_ERROR;
2586 goto fail;
2587 }
2588 }
2589 else
2590 *Payload = NULL;
2591
2592 if ((*Header)->common.ptype == PKT_HTTP)
2593 {
2594 if (!RPCRT4_IsValidHttpPacket(*Header, *Payload, common_hdr.frag_len - hdr_length))
2595 {
2596 ERR("invalid http packet of length %d bytes\n", (*Header)->common.frag_len);
2597 status = RPC_S_PROTOCOL_ERROR;
2598 goto fail;
2599 }
2600 if ((*Header)->http.flags == 0x0001)
2601 {
2602 TRACE("http idle packet, waiting for real packet\n");
2603 if ((*Header)->http.num_data_items != 0)
2604 {
2605 ERR("HTTP idle packet should have no data items instead of %d\n", (*Header)->http.num_data_items);
2606 status = RPC_S_PROTOCOL_ERROR;
2607 goto fail;
2608 }
2609 }
2610 else if ((*Header)->http.flags == 0x0002)
2611 {
2612 ULONG bytes_transmitted;
2613 ULONG flow_control_increment;
2614 UUID pipe_uuid;
2615 status = RPCRT4_ParseHttpFlowControlHeader(*Header, *Payload,
2616 Connection->server,
2617 &bytes_transmitted,
2618 &flow_control_increment,
2619 &pipe_uuid);
2620 if (status != RPC_S_OK)
2621 goto fail;
2622 TRACE("received http flow control header (0x%x, 0x%x, %s)\n",
2623 bytes_transmitted, flow_control_increment, debugstr_guid(&pipe_uuid));
2624 /* FIXME: do something with parsed data */
2625 }
2626 else
2627 {
2628 FIXME("unrecognised http packet with flags 0x%04x\n", (*Header)->http.flags);
2629 status = RPC_S_PROTOCOL_ERROR;
2630 goto fail;
2631 }
2632 RPCRT4_FreeHeader(*Header);
2633 *Header = NULL;
2634 HeapFree(GetProcessHeap(), 0, *Payload);
2635 *Payload = NULL;
2636 goto again;
2637 }
2638
2639 /* success */
2640 status = RPC_S_OK;
2641
2642 httpc->bytes_received += common_hdr.frag_len;
2643
2644 TRACE("httpc->bytes_received = 0x%x\n", httpc->bytes_received);
2645
2646 if (httpc->bytes_received > httpc->flow_control_mark)
2647 {
2648 RpcPktHdr *hdr = RPCRT4_BuildHttpFlowControlHeader(httpc->common.server,
2649 httpc->bytes_received,
2650 httpc->flow_control_increment,
2651 &httpc->out_pipe_uuid);
2652 if (hdr)
2653 {
2654 DWORD bytes_written;
2655 BOOL ret2;
2656 TRACE("sending flow control packet at 0x%x\n", httpc->bytes_received);
2657 ret2 = InternetWriteFile(httpc->in_request, hdr, hdr->common.frag_len, &bytes_written);
2658 RPCRT4_FreeHeader(hdr);
2659 if (ret2)
2660 httpc->flow_control_mark = httpc->bytes_received + httpc->flow_control_increment / 2;
2661 }
2662 }
2663
2664 fail:
2665 if (status != RPC_S_OK) {
2666 RPCRT4_FreeHeader(*Header);
2667 *Header = NULL;
2668 HeapFree(GetProcessHeap(), 0, *Payload);
2669 *Payload = NULL;
2670 }
2671 return status;
2672 }
2673
2674 static int rpcrt4_ncacn_http_write(RpcConnection *Connection,
2675 const void *buffer, unsigned int count)
2676 {
2677 RpcConnection_http *httpc = (RpcConnection_http *) Connection;
2678 DWORD bytes_written;
2679 BOOL ret;
2680
2681 httpc->last_sent_time = ~0U; /* disable idle packet sending */
2682 ret = InternetWriteFile(httpc->in_request, buffer, count, &bytes_written);
2683 httpc->last_sent_time = GetTickCount();
2684 TRACE("%p %p %u -> %s\n", httpc->in_request, buffer, count, ret ? "TRUE" : "FALSE");
2685 return ret ? bytes_written : -1;
2686 }
2687
2688 static int rpcrt4_ncacn_http_close(RpcConnection *Connection)
2689 {
2690 RpcConnection_http *httpc = (RpcConnection_http *) Connection;
2691
2692 TRACE("\n");
2693
2694 SetEvent(httpc->timer_cancelled);
2695 if (httpc->in_request)
2696 InternetCloseHandle(httpc->in_request);
2697 httpc->in_request = NULL;
2698 if (httpc->out_request)
2699 InternetCloseHandle(httpc->out_request);
2700 httpc->out_request = NULL;
2701 if (httpc->app_info)
2702 InternetCloseHandle(httpc->app_info);
2703 httpc->app_info = NULL;
2704 if (httpc->session)
2705 InternetCloseHandle(httpc->session);
2706 httpc->session = NULL;
2707 RpcHttpAsyncData_Release(httpc->async_data);
2708 if (httpc->cancel_event)
2709 CloseHandle(httpc->cancel_event);
2710
2711 return 0;
2712 }
2713
2714 static void rpcrt4_ncacn_http_cancel_call(RpcConnection *Connection)
2715 {
2716 RpcConnection_http *httpc = (RpcConnection_http *) Connection;
2717
2718 SetEvent(httpc->cancel_event);
2719 }
2720
2721 static int rpcrt4_ncacn_http_wait_for_incoming_data(RpcConnection *Connection)
2722 {
2723 BOOL ret;
2724 RpcConnection_http *httpc = (RpcConnection_http *) Connection;
2725
2726 RpcHttpAsyncData_AddRef(httpc->async_data);
2727 ret = InternetQueryDataAvailable(httpc->out_request,
2728 &httpc->async_data->inet_buffers.dwBufferLength, IRF_ASYNC, 0);
2729 if (ret)
2730 {
2731 /* INTERNET_STATUS_REQUEST_COMPLETED won't be sent, so release our
2732 * async ref now */
2733 RpcHttpAsyncData_Release(httpc->async_data);
2734 }
2735 else
2736 {
2737 if (GetLastError() == ERROR_IO_PENDING)
2738 {
2739 HANDLE handles[2] = { httpc->async_data->completion_event, httpc->cancel_event };
2740 DWORD result = WaitForMultipleObjects(2, handles, FALSE, DEFAULT_NCACN_HTTP_TIMEOUT);
2741 if (result != WAIT_OBJECT_0)
2742 {
2743 TRACE("call cancelled\n");
2744 return -1;
2745 }
2746 }
2747 else
2748 {
2749 RpcHttpAsyncData_Release(httpc->async_data);
2750 return -1;
2751 }
2752 }
2753
2754 /* success */
2755 return 0;
2756 }
2757
2758 static size_t rpcrt4_ncacn_http_get_top_of_tower(unsigned char *tower_data,
2759 const char *networkaddr,
2760 const char *endpoint)
2761 {
2762 return rpcrt4_ip_tcp_get_top_of_tower(tower_data, networkaddr,
2763 EPM_PROTOCOL_HTTP, endpoint);
2764 }
2765
2766 static RPC_STATUS rpcrt4_ncacn_http_parse_top_of_tower(const unsigned char *tower_data,
2767 size_t tower_size,
2768 char **networkaddr,
2769 char **endpoint)
2770 {
2771 return rpcrt4_ip_tcp_parse_top_of_tower(tower_data, tower_size,
2772 networkaddr, EPM_PROTOCOL_HTTP,
2773 endpoint);
2774 }
2775
2776 static const struct connection_ops conn_protseq_list[] = {
2777 { "ncacn_np",
2778 { EPM_PROTOCOL_NCACN, EPM_PROTOCOL_SMB },
2779 rpcrt4_conn_np_alloc,
2780 rpcrt4_ncacn_np_open,
2781 rpcrt4_ncacn_np_handoff,
2782 rpcrt4_conn_np_read,
2783 rpcrt4_conn_np_write,
2784 rpcrt4_conn_np_close,
2785 rpcrt4_conn_np_cancel_call,
2786 rpcrt4_conn_np_wait_for_incoming_data,
2787 rpcrt4_ncacn_np_get_top_of_tower,
2788 rpcrt4_ncacn_np_parse_top_of_tower,
2789 NULL,
2790 RPCRT4_default_is_authorized,
2791 RPCRT4_default_authorize,
2792 RPCRT4_default_secure_packet,
2793 rpcrt4_conn_np_impersonate_client,
2794 rpcrt4_conn_np_revert_to_self,
2795 RPCRT4_default_inquire_auth_client,
2796 },
2797 { "ncalrpc",
2798 { EPM_PROTOCOL_NCALRPC, EPM_PROTOCOL_PIPE },
2799 rpcrt4_conn_np_alloc,
2800 rpcrt4_ncalrpc_open,
2801 rpcrt4_ncalrpc_handoff,
2802 rpcrt4_conn_np_read,
2803 rpcrt4_conn_np_write,
2804 rpcrt4_conn_np_close,
2805 rpcrt4_conn_np_cancel_call,
2806 rpcrt4_conn_np_wait_for_incoming_data,
2807 rpcrt4_ncalrpc_get_top_of_tower,
2808 rpcrt4_ncalrpc_parse_top_of_tower,
2809 NULL,
2810 rpcrt4_ncalrpc_is_authorized,
2811 rpcrt4_ncalrpc_authorize,
2812 rpcrt4_ncalrpc_secure_packet,
2813 rpcrt4_conn_np_impersonate_client,
2814 rpcrt4_conn_np_revert_to_self,
2815 rpcrt4_ncalrpc_inquire_auth_client,
2816 },
2817 { "ncacn_ip_tcp",
2818 { EPM_PROTOCOL_NCACN, EPM_PROTOCOL_TCP },
2819 rpcrt4_conn_tcp_alloc,
2820 rpcrt4_ncacn_ip_tcp_open,
2821 rpcrt4_conn_tcp_handoff,
2822 rpcrt4_conn_tcp_read,
2823 rpcrt4_conn_tcp_write,
2824 rpcrt4_conn_tcp_close,
2825 rpcrt4_conn_tcp_cancel_call,
2826 rpcrt4_conn_tcp_wait_for_incoming_data,
2827 rpcrt4_ncacn_ip_tcp_get_top_of_tower,
2828 rpcrt4_ncacn_ip_tcp_parse_top_of_tower,
2829 NULL,
2830 RPCRT4_default_is_authorized,
2831 RPCRT4_default_authorize,
2832 RPCRT4_default_secure_packet,
2833 RPCRT4_default_impersonate_client,
2834 RPCRT4_default_revert_to_self,
2835 RPCRT4_default_inquire_auth_client,
2836 },
2837 { "ncacn_http",
2838 { EPM_PROTOCOL_NCACN, EPM_PROTOCOL_HTTP },
2839 rpcrt4_ncacn_http_alloc,
2840 rpcrt4_ncacn_http_open,
2841 rpcrt4_ncacn_http_handoff,
2842 rpcrt4_ncacn_http_read,
2843 rpcrt4_ncacn_http_write,
2844 rpcrt4_ncacn_http_close,
2845 rpcrt4_ncacn_http_cancel_call,
2846 rpcrt4_ncacn_http_wait_for_incoming_data,
2847 rpcrt4_ncacn_http_get_top_of_tower,
2848 rpcrt4_ncacn_http_parse_top_of_tower,
2849 rpcrt4_ncacn_http_receive_fragment,
2850 RPCRT4_default_is_authorized,
2851 RPCRT4_default_authorize,
2852 RPCRT4_default_secure_packet,
2853 RPCRT4_default_impersonate_client,
2854 RPCRT4_default_revert_to_self,
2855 RPCRT4_default_inquire_auth_client,
2856 },
2857 };
2858
2859
2860 static const struct protseq_ops protseq_list[] =
2861 {
2862 {
2863 "ncacn_np",
2864 rpcrt4_protseq_np_alloc,
2865 rpcrt4_protseq_np_signal_state_changed,
2866 rpcrt4_protseq_np_get_wait_array,
2867 rpcrt4_protseq_np_free_wait_array,
2868 rpcrt4_protseq_np_wait_for_new_connection,
2869 rpcrt4_protseq_ncacn_np_open_endpoint,
2870 },
2871 {
2872 "ncalrpc",
2873 rpcrt4_protseq_np_alloc,
2874 rpcrt4_protseq_np_signal_state_changed,
2875 rpcrt4_protseq_np_get_wait_array,
2876 rpcrt4_protseq_np_free_wait_array,
2877 rpcrt4_protseq_np_wait_for_new_connection,
2878 rpcrt4_protseq_ncalrpc_open_endpoint,
2879 },
2880 {
2881 "ncacn_ip_tcp",
2882 rpcrt4_protseq_sock_alloc,
2883 rpcrt4_protseq_sock_signal_state_changed,
2884 rpcrt4_protseq_sock_get_wait_array,
2885 rpcrt4_protseq_sock_free_wait_array,
2886 rpcrt4_protseq_sock_wait_for_new_connection,
2887 rpcrt4_protseq_ncacn_ip_tcp_open_endpoint,
2888 },
2889 };
2890
2891 #define ARRAYSIZE(a) (sizeof((a)) / sizeof((a)[0]))
2892
2893 const struct protseq_ops *rpcrt4_get_protseq_ops(const char *protseq)
2894 {
2895 unsigned int i;
2896 for(i=0; i<ARRAYSIZE(protseq_list); i++)
2897 if (!strcmp(protseq_list[i].name, protseq))
2898 return &protseq_list[i];
2899 return NULL;
2900 }
2901
2902 static const struct connection_ops *rpcrt4_get_conn_protseq_ops(const char *protseq)
2903 {
2904 unsigned int i;
2905 for(i=0; i<ARRAYSIZE(conn_protseq_list); i++)
2906 if (!strcmp(conn_protseq_list[i].name, protseq))
2907 return &conn_protseq_list[i];
2908 return NULL;
2909 }
2910
2911 /**** interface to rest of code ****/
2912
2913 RPC_STATUS RPCRT4_OpenClientConnection(RpcConnection* Connection)
2914 {
2915 TRACE("(Connection == ^%p)\n", Connection);
2916
2917 assert(!Connection->server);
2918 return Connection->ops->open_connection_client(Connection);
2919 }
2920
2921 RPC_STATUS RPCRT4_CloseConnection(RpcConnection* Connection)
2922 {
2923 TRACE("(Connection == ^%p)\n", Connection);
2924 if (SecIsValidHandle(&Connection->ctx))
2925 {
2926 DeleteSecurityContext(&Connection->ctx);
2927 SecInvalidateHandle(&Connection->ctx);
2928 }
2929 rpcrt4_conn_close(Connection);
2930 return RPC_S_OK;
2931 }
2932
2933 RPC_STATUS RPCRT4_CreateConnection(RpcConnection** Connection, BOOL server,
2934 LPCSTR Protseq, LPCSTR NetworkAddr, LPCSTR Endpoint,
2935 LPCWSTR NetworkOptions, RpcAuthInfo* AuthInfo, RpcQualityOfService *QOS)
2936 {
2937 static LONG next_id;
2938 const struct connection_ops *ops;
2939 RpcConnection* NewConnection;
2940
2941 ops = rpcrt4_get_conn_protseq_ops(Protseq);
2942 if (!ops)
2943 {
2944 FIXME("not supported for protseq %s\n", Protseq);
2945 return RPC_S_PROTSEQ_NOT_SUPPORTED;
2946 }
2947
2948 NewConnection = ops->alloc();
2949 NewConnection->ref = 1;
2950 NewConnection->Next = NULL;
2951 NewConnection->server_binding = NULL;
2952 NewConnection->server = server;
2953 NewConnection->ops = ops;
2954 NewConnection->NetworkAddr = RPCRT4_strdupA(NetworkAddr);
2955 NewConnection->Endpoint = RPCRT4_strdupA(Endpoint);
2956 NewConnection->NetworkOptions = RPCRT4_strdupW(NetworkOptions);
2957 NewConnection->MaxTransmissionSize = RPC_MAX_PACKET_SIZE;
2958 memset(&NewConnection->ActiveInterface, 0, sizeof(NewConnection->ActiveInterface));
2959 NewConnection->NextCallId = 1;
2960
2961 SecInvalidateHandle(&NewConnection->ctx);
2962 memset(&NewConnection->exp, 0, sizeof(NewConnection->exp));
2963 NewConnection->attr = 0;
2964 if (AuthInfo) RpcAuthInfo_AddRef(AuthInfo);
2965 NewConnection->AuthInfo = AuthInfo;
2966 NewConnection->auth_context_id = InterlockedIncrement( &next_id );
2967 NewConnection->encryption_auth_len = 0;
2968 NewConnection->signature_auth_len = 0;
2969 if (QOS) RpcQualityOfService_AddRef(QOS);
2970 NewConnection->QOS = QOS;
2971
2972 list_init(&NewConnection->conn_pool_entry);
2973 NewConnection->async_state = NULL;
2974
2975 TRACE("connection: %p\n", NewConnection);
2976 *Connection = NewConnection;
2977
2978 return RPC_S_OK;
2979 }
2980
2981 static RPC_STATUS RPCRT4_SpawnConnection(RpcConnection** Connection, RpcConnection* OldConnection)
2982 {
2983 RPC_STATUS err;
2984
2985 err = RPCRT4_CreateConnection(Connection, OldConnection->server,
2986 rpcrt4_conn_get_name(OldConnection),
2987 OldConnection->NetworkAddr,
2988 OldConnection->Endpoint, NULL,
2989 OldConnection->AuthInfo, OldConnection->QOS);
2990 if (err == RPC_S_OK)
2991 rpcrt4_conn_handoff(OldConnection, *Connection);
2992 return err;
2993 }
2994
2995 RpcConnection *RPCRT4_GrabConnection( RpcConnection *conn )
2996 {
2997 InterlockedIncrement( &conn->ref );
2998 return conn;
2999 }
3000
3001 RPC_STATUS RPCRT4_ReleaseConnection(RpcConnection* Connection)
3002 {
3003 if (InterlockedDecrement( &Connection->ref ) > 0) return RPC_S_OK;
3004
3005 TRACE("destroying connection %p\n", Connection);
3006
3007 RPCRT4_CloseConnection(Connection);
3008 RPCRT4_strfree(Connection->Endpoint);
3009 RPCRT4_strfree(Connection->NetworkAddr);
3010 HeapFree(GetProcessHeap(), 0, Connection->NetworkOptions);
3011 if (Connection->AuthInfo) RpcAuthInfo_Release(Connection->AuthInfo);
3012 if (Connection->QOS) RpcQualityOfService_Release(Connection->QOS);
3013
3014 /* server-only */
3015 if (Connection->server_binding) RPCRT4_ReleaseBinding(Connection->server_binding);
3016
3017 HeapFree(GetProcessHeap(), 0, Connection);
3018 return RPC_S_OK;
3019 }
3020
3021 RPC_STATUS RpcTransport_GetTopOfTower(unsigned char *tower_data,
3022 size_t *tower_size,
3023 const char *protseq,
3024 const char *networkaddr,
3025 const char *endpoint)
3026 {
3027 twr_empty_floor_t *protocol_floor;
3028 const struct connection_ops *protseq_ops = rpcrt4_get_conn_protseq_ops(protseq);
3029
3030 *tower_size = 0;
3031
3032 if (!protseq_ops)
3033 return RPC_S_INVALID_RPC_PROTSEQ;
3034
3035 if (!tower_data)
3036 {
3037 *tower_size = sizeof(*protocol_floor);
3038 *tower_size += protseq_ops->get_top_of_tower(NULL, networkaddr, endpoint);
3039 return RPC_S_OK;
3040 }
3041
3042 protocol_floor = (twr_empty_floor_t *)tower_data;
3043 protocol_floor->count_lhs = sizeof(protocol_floor->protid);
3044 protocol_floor->protid = protseq_ops->epm_protocols[0];
3045 protocol_floor->count_rhs = 0;
3046
3047 tower_data += sizeof(*protocol_floor);
3048
3049 *tower_size = protseq_ops->get_top_of_tower(tower_data, networkaddr, endpoint);
3050 if (!*tower_size)
3051 return EPT_S_NOT_REGISTERED;
3052
3053 *tower_size += sizeof(*protocol_floor);
3054
3055 return RPC_S_OK;
3056 }
3057
3058 RPC_STATUS RpcTransport_ParseTopOfTower(const unsigned char *tower_data,
3059 size_t tower_size,
3060 char **protseq,
3061 char **networkaddr,
3062 char **endpoint)
3063 {
3064 const twr_empty_floor_t *protocol_floor;
3065 const twr_empty_floor_t *floor4;
3066 const struct connection_ops *protseq_ops = NULL;
3067 RPC_STATUS status;
3068 unsigned int i;
3069
3070 if (tower_size < sizeof(*protocol_floor))
3071 return EPT_S_NOT_REGISTERED;
3072
3073 protocol_floor = (const twr_empty_floor_t *)tower_data;
3074 tower_data += sizeof(*protocol_floor);
3075 tower_size -= sizeof(*protocol_floor);
3076 if ((protocol_floor->count_lhs != sizeof(protocol_floor->protid)) ||
3077 (protocol_floor->count_rhs > tower_size))
3078 return EPT_S_NOT_REGISTERED;
3079 tower_data += protocol_floor->count_rhs;
3080 tower_size -= protocol_floor->count_rhs;
3081
3082 floor4 = (const twr_empty_floor_t *)tower_data;
3083 if ((tower_size < sizeof(*floor4)) ||
3084 (floor4->count_lhs != sizeof(floor4->protid)))
3085 return EPT_S_NOT_REGISTERED;
3086
3087 for(i = 0; i < ARRAYSIZE(conn_protseq_list); i++)
3088 if ((protocol_floor->protid == conn_protseq_list[i].epm_protocols[0]) &&
3089 (floor4->protid == conn_protseq_list[i].epm_protocols[1]))
3090 {
3091 protseq_ops = &conn_protseq_list[i];
3092 break;
3093 }
3094
3095 if (!protseq_ops)
3096 return EPT_S_NOT_REGISTERED;
3097
3098 status = protseq_ops->parse_top_of_tower(tower_data, tower_size, networkaddr, endpoint);
3099
3100 if ((status == RPC_S_OK) && protseq)
3101 {
3102 *protseq = I_RpcAllocate(strlen(protseq_ops->name) + 1);
3103 strcpy(*protseq, protseq_ops->name);
3104 }
3105
3106 return status;
3107 }
3108
3109 /***********************************************************************
3110 * RpcNetworkIsProtseqValidW (RPCRT4.@)
3111 *
3112 * Checks if the given protocol sequence is known by the RPC system.
3113 * If it is, returns RPC_S_OK, otherwise RPC_S_PROTSEQ_NOT_SUPPORTED.
3114 *
3115 */
3116 RPC_STATUS WINAPI RpcNetworkIsProtseqValidW(RPC_WSTR protseq)
3117 {
3118 char ps[0x10];
3119
3120 WideCharToMultiByte(CP_ACP, 0, protseq, -1,
3121 ps, sizeof ps, NULL, NULL);
3122 if (rpcrt4_get_conn_protseq_ops(ps))
3123 return RPC_S_OK;
3124
3125 FIXME("Unknown protseq %s\n", debugstr_w(protseq));
3126
3127 return RPC_S_INVALID_RPC_PROTSEQ;
3128 }
3129
3130 /***********************************************************************
3131 * RpcNetworkIsProtseqValidA (RPCRT4.@)
3132 */
3133 RPC_STATUS WINAPI RpcNetworkIsProtseqValidA(RPC_CSTR protseq)
3134 {
3135 UNICODE_STRING protseqW;
3136
3137 if (RtlCreateUnicodeStringFromAsciiz(&protseqW, (char*)protseq))
3138 {
3139 RPC_STATUS ret = RpcNetworkIsProtseqValidW(protseqW.Buffer);
3140 RtlFreeUnicodeString(&protseqW);
3141 return ret;
3142 }
3143 return RPC_S_OUT_OF_MEMORY;
3144 }
3145
3146 /***********************************************************************
3147 * RpcProtseqVectorFreeA (RPCRT4.@)
3148 */
3149 RPC_STATUS WINAPI RpcProtseqVectorFreeA(RPC_PROTSEQ_VECTORA **protseqs)
3150 {
3151 TRACE("(%p)\n", protseqs);
3152
3153 if (*protseqs)
3154 {
3155 int i;
3156 for (i = 0; i < (*protseqs)->Count; i++)
3157 HeapFree(GetProcessHeap(), 0, (*protseqs)->Protseq[i]);
3158 HeapFree(GetProcessHeap(), 0, *protseqs);
3159 *protseqs = NULL;
3160 }
3161 return RPC_S_OK;
3162 }
3163
3164 /***********************************************************************
3165 * RpcProtseqVectorFreeW (RPCRT4.@)
3166 */
3167 RPC_STATUS WINAPI RpcProtseqVectorFreeW(RPC_PROTSEQ_VECTORW **protseqs)
3168 {
3169 TRACE("(%p)\n", protseqs);
3170
3171 if (*protseqs)
3172 {
3173 int i;
3174 for (i = 0; i < (*protseqs)->Count; i++)
3175 HeapFree(GetProcessHeap(), 0, (*protseqs)->Protseq[i]);
3176 HeapFree(GetProcessHeap(), 0, *protseqs);
3177 *protseqs = NULL;
3178 }
3179 return RPC_S_OK;
3180 }
3181
3182 /***********************************************************************
3183 * RpcNetworkInqProtseqsW (RPCRT4.@)
3184 */
3185 RPC_STATUS WINAPI RpcNetworkInqProtseqsW( RPC_PROTSEQ_VECTORW** protseqs )
3186 {
3187 RPC_PROTSEQ_VECTORW *pvector;
3188 int i = 0;
3189 RPC_STATUS status = RPC_S_OUT_OF_MEMORY;
3190
3191 TRACE("(%p)\n", protseqs);
3192
3193 *protseqs = HeapAlloc(GetProcessHeap(), 0, sizeof(RPC_PROTSEQ_VECTORW)+(sizeof(unsigned short*)*ARRAYSIZE(protseq_list)));
3194 if (!*protseqs)
3195 goto end;
3196 pvector = *protseqs;
3197 pvector->Count = 0;
3198 for (i = 0; i < ARRAYSIZE(protseq_list); i++)
3199 {
3200 pvector->Protseq[i] = HeapAlloc(GetProcessHeap(), 0, (strlen(protseq_list[i].name)+1)*sizeof(unsigned short));
3201 if (pvector->Protseq[i] == NULL)
3202 goto end;
3203 MultiByteToWideChar(CP_ACP, 0, (CHAR*)protseq_list[i].name, -1,
3204 (WCHAR*)pvector->Protseq[i], strlen(protseq_list[i].name) + 1);
3205 pvector->Count++;
3206 }
3207 status = RPC_S_OK;
3208
3209 end:
3210 if (status != RPC_S_OK)
3211 RpcProtseqVectorFreeW(protseqs);
3212 return status;
3213 }
3214
3215 /***********************************************************************
3216 * RpcNetworkInqProtseqsA (RPCRT4.@)
3217 */
3218 RPC_STATUS WINAPI RpcNetworkInqProtseqsA(RPC_PROTSEQ_VECTORA** protseqs)
3219 {
3220 RPC_PROTSEQ_VECTORA *pvector;
3221 int i = 0;
3222 RPC_STATUS status = RPC_S_OUT_OF_MEMORY;
3223
3224 TRACE("(%p)\n", protseqs);
3225
3226 *protseqs = HeapAlloc(GetProcessHeap(), 0, sizeof(RPC_PROTSEQ_VECTORW)+(sizeof(unsigned char*)*ARRAYSIZE(protseq_list)));
3227 if (!*protseqs)
3228 goto end;
3229 pvector = *protseqs;
3230 pvector->Count = 0;
3231 for (i = 0; i < ARRAYSIZE(protseq_list); i++)
3232 {
3233 pvector->Protseq[i] = HeapAlloc(GetProcessHeap(), 0, strlen(protseq_list[i].name)+1);
3234 if (pvector->Protseq[i] == NULL)
3235 goto end;
3236 strcpy((char*)pvector->Protseq[i], protseq_list[i].name);
3237 pvector->Count++;
3238 }
3239 status = RPC_S_OK;
3240
3241 end:
3242 if (status != RPC_S_OK)
3243 RpcProtseqVectorFreeA(protseqs);
3244 return status;
3245 }
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