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Merge aicom-network-fixes up to
[reactos.git] / reactos / dll / win32 / msafd / misc / dllmain.c
1
2 /*
3 * COPYRIGHT: See COPYING in the top level directory
4 * PROJECT: ReactOS Ancillary Function Driver DLL
5 * FILE: misc/dllmain.c
6 * PURPOSE: DLL entry point
7 * PROGRAMMERS: Casper S. Hornstrup (chorns@users.sourceforge.net)
8 * Alex Ionescu (alex@relsoft.net)
9 * REVISIONS:
10 * CSH 01/09-2000 Created
11 * Alex 16/07/2004 - Complete Rewrite
12 */
13 #include <msafd.h>
14
15 #include <debug.h>
16
17 #ifdef DBG
18 //DWORD DebugTraceLevel = DEBUG_ULTRA;
19 DWORD DebugTraceLevel = 0;
20 #endif /* DBG */
21
22 HANDLE GlobalHeap;
23 WSPUPCALLTABLE Upcalls;
24 LPWPUCOMPLETEOVERLAPPEDREQUEST lpWPUCompleteOverlappedRequest;
25 ULONG SocketCount = 0;
26 PSOCKET_INFORMATION *Sockets = NULL;
27 LIST_ENTRY SockHelpersListHead = {NULL};
28 ULONG SockAsyncThreadRefCount;
29 HANDLE SockAsyncHelperAfdHandle;
30 HANDLE SockAsyncCompletionPort;
31 BOOLEAN SockAsyncSelectCalled;
32
33 SOCKET
34 WSPAPI
35 WSPSocket(
36 int AddressFamily,
37 int SocketType,
38 int Protocol,
39 LPWSAPROTOCOL_INFOW lpProtocolInfo,
40 GROUP g,
41 DWORD dwFlags,
42 LPINT lpErrno)
43 /*
44 * FUNCTION: Creates a new socket
45 * ARGUMENTS:
46 * af = Address family
47 * type = Socket type
48 * protocol = Protocol type
49 * lpProtocolInfo = Pointer to protocol information
50 * g = Reserved
51 * dwFlags = Socket flags
52 * lpErrno = Address of buffer for error information
53 * RETURNS:
54 * Created socket, or INVALID_SOCKET if it could not be created
55 */
56 {
57 OBJECT_ATTRIBUTES Object;
58 IO_STATUS_BLOCK IOSB;
59 USHORT SizeOfPacket;
60 ULONG SizeOfEA;
61 PAFD_CREATE_PACKET AfdPacket;
62 HANDLE Sock;
63 PSOCKET_INFORMATION Socket = NULL, PrevSocket = NULL;
64 PFILE_FULL_EA_INFORMATION EABuffer = NULL;
65 PHELPER_DATA HelperData;
66 PVOID HelperDLLContext;
67 DWORD HelperEvents;
68 UNICODE_STRING TransportName;
69 UNICODE_STRING DevName;
70 LARGE_INTEGER GroupData;
71 INT Status;
72
73 AFD_DbgPrint(MAX_TRACE, ("Creating Socket, getting TDI Name\n"));
74 AFD_DbgPrint(MAX_TRACE, ("AddressFamily (%d) SocketType (%d) Protocol (%d).\n",
75 AddressFamily, SocketType, Protocol));
76
77 /* Get Helper Data and Transport */
78 Status = SockGetTdiName (&AddressFamily,
79 &SocketType,
80 &Protocol,
81 g,
82 dwFlags,
83 &TransportName,
84 &HelperDLLContext,
85 &HelperData,
86 &HelperEvents);
87
88 /* Check for error */
89 if (Status != NO_ERROR) {
90 AFD_DbgPrint(MID_TRACE,("SockGetTdiName: Status %x\n", Status));
91 goto error;
92 }
93
94 /* AFD Device Name */
95 RtlInitUnicodeString(&DevName, L"\\Device\\Afd\\Endpoint");
96
97 /* Set Socket Data */
98 Socket = HeapAlloc(GlobalHeap, 0, sizeof(*Socket));
99 RtlZeroMemory(Socket, sizeof(*Socket));
100 Socket->RefCount = 2;
101 Socket->Handle = -1;
102 Socket->SharedData.State = SocketOpen;
103 Socket->SharedData.AddressFamily = AddressFamily;
104 Socket->SharedData.SocketType = SocketType;
105 Socket->SharedData.Protocol = Protocol;
106 Socket->HelperContext = HelperDLLContext;
107 Socket->HelperData = HelperData;
108 Socket->HelperEvents = HelperEvents;
109 Socket->LocalAddress = &Socket->WSLocalAddress;
110 Socket->SharedData.SizeOfLocalAddress = HelperData->MaxWSAddressLength;
111 Socket->RemoteAddress = &Socket->WSRemoteAddress;
112 Socket->SharedData.SizeOfRemoteAddress = HelperData->MaxWSAddressLength;
113 Socket->SharedData.UseDelayedAcceptance = HelperData->UseDelayedAcceptance;
114 Socket->SharedData.CreateFlags = dwFlags;
115 Socket->SharedData.CatalogEntryId = lpProtocolInfo->dwCatalogEntryId;
116 Socket->SharedData.ServiceFlags1 = lpProtocolInfo->dwServiceFlags1;
117 Socket->SharedData.ProviderFlags = lpProtocolInfo->dwProviderFlags;
118 Socket->SharedData.GroupID = g;
119 Socket->SharedData.GroupType = 0;
120 Socket->SharedData.UseSAN = FALSE;
121 Socket->SharedData.NonBlocking = FALSE; /* Sockets start blocking */
122 Socket->SanData = NULL;
123
124 /* Ask alex about this */
125 if( Socket->SharedData.SocketType == SOCK_DGRAM ||
126 Socket->SharedData.SocketType == SOCK_RAW ) {
127 AFD_DbgPrint(MID_TRACE,("Connectionless socket\n"));
128 Socket->SharedData.ServiceFlags1 |= XP1_CONNECTIONLESS;
129 }
130
131 /* Packet Size */
132 SizeOfPacket = TransportName.Length + sizeof(AFD_CREATE_PACKET) + sizeof(WCHAR);
133
134 /* EA Size */
135 SizeOfEA = SizeOfPacket + sizeof(FILE_FULL_EA_INFORMATION) + AFD_PACKET_COMMAND_LENGTH;
136
137 /* Set up EA Buffer */
138 EABuffer = HeapAlloc(GlobalHeap, 0, SizeOfEA);
139 RtlZeroMemory(EABuffer, SizeOfEA);
140 EABuffer->NextEntryOffset = 0;
141 EABuffer->Flags = 0;
142 EABuffer->EaNameLength = AFD_PACKET_COMMAND_LENGTH;
143 RtlCopyMemory (EABuffer->EaName,
144 AfdCommand,
145 AFD_PACKET_COMMAND_LENGTH + 1);
146 EABuffer->EaValueLength = SizeOfPacket;
147
148 /* Set up AFD Packet */
149 AfdPacket = (PAFD_CREATE_PACKET)(EABuffer->EaName + EABuffer->EaNameLength + 1);
150 AfdPacket->SizeOfTransportName = TransportName.Length;
151 RtlCopyMemory (AfdPacket->TransportName,
152 TransportName.Buffer,
153 TransportName.Length + sizeof(WCHAR));
154 AfdPacket->GroupID = g;
155
156 /* Set up Endpoint Flags */
157 if ((Socket->SharedData.ServiceFlags1 & XP1_CONNECTIONLESS) != 0) {
158 if ((SocketType != SOCK_DGRAM) && (SocketType != SOCK_RAW)) {
159 goto error; /* Only RAW or UDP can be Connectionless */
160 }
161 AfdPacket->EndpointFlags |= AFD_ENDPOINT_CONNECTIONLESS;
162 }
163
164 if ((Socket->SharedData.ServiceFlags1 & XP1_MESSAGE_ORIENTED) != 0) {
165 if (SocketType == SOCK_STREAM) {
166 if ((Socket->SharedData.ServiceFlags1 & XP1_PSEUDO_STREAM) == 0) {
167 goto error; /* The Provider doesn't actually support Message Oriented Streams */
168 }
169 }
170 AfdPacket->EndpointFlags |= AFD_ENDPOINT_MESSAGE_ORIENTED;
171 }
172
173 if (SocketType == SOCK_RAW) AfdPacket->EndpointFlags |= AFD_ENDPOINT_RAW;
174
175 if (dwFlags & (WSA_FLAG_MULTIPOINT_C_ROOT |
176 WSA_FLAG_MULTIPOINT_C_LEAF |
177 WSA_FLAG_MULTIPOINT_D_ROOT |
178 WSA_FLAG_MULTIPOINT_D_LEAF)) {
179 if ((Socket->SharedData.ServiceFlags1 & XP1_SUPPORT_MULTIPOINT) == 0) {
180 goto error; /* The Provider doesn't actually support Multipoint */
181 }
182 AfdPacket->EndpointFlags |= AFD_ENDPOINT_MULTIPOINT;
183 if (dwFlags & WSA_FLAG_MULTIPOINT_C_ROOT) {
184 if (((Socket->SharedData.ServiceFlags1 & XP1_MULTIPOINT_CONTROL_PLANE) == 0)
185 || ((dwFlags & WSA_FLAG_MULTIPOINT_C_LEAF) != 0)) {
186 goto error; /* The Provider doesn't support Control Planes, or you already gave a leaf */
187 }
188 AfdPacket->EndpointFlags |= AFD_ENDPOINT_C_ROOT;
189 }
190 if (dwFlags & WSA_FLAG_MULTIPOINT_D_ROOT) {
191 if (((Socket->SharedData.ServiceFlags1 & XP1_MULTIPOINT_DATA_PLANE) == 0)
192 || ((dwFlags & WSA_FLAG_MULTIPOINT_D_LEAF) != 0)) {
193 goto error; /* The Provider doesn't support Data Planes, or you already gave a leaf */
194 }
195 AfdPacket->EndpointFlags |= AFD_ENDPOINT_D_ROOT;
196 }
197 }
198
199 /* Set up Object Attributes */
200 InitializeObjectAttributes (&Object,
201 &DevName,
202 OBJ_CASE_INSENSITIVE | OBJ_INHERIT,
203 0,
204 0);
205
206 /* Create the Socket as asynchronous. That means we have to block
207 ourselves after every call to NtDeviceIoControlFile. This is
208 because the kernel doesn't support overlapping synchronous I/O
209 requests (made from multiple threads) at this time (Sep 2005) */
210 ZwCreateFile(&Sock,
211 GENERIC_READ | GENERIC_WRITE | SYNCHRONIZE,
212 &Object,
213 &IOSB,
214 NULL,
215 0,
216 FILE_SHARE_READ | FILE_SHARE_WRITE,
217 FILE_OPEN_IF,
218 0,
219 EABuffer,
220 SizeOfEA);
221
222 /* Save Handle */
223 Socket->Handle = (SOCKET)Sock;
224
225 /* XXX See if there's a structure we can reuse -- We need to do this
226 * more properly. */
227 PrevSocket = GetSocketStructure( (SOCKET)Sock );
228
229 if( PrevSocket ) {
230 RtlCopyMemory( PrevSocket, Socket, sizeof(*Socket) );
231 RtlFreeHeap( GlobalHeap, 0, Socket );
232 Socket = PrevSocket;
233 }
234
235 /* Save Group Info */
236 if (g != 0) {
237 GetSocketInformation(Socket, AFD_INFO_GROUP_ID_TYPE, 0, &GroupData);
238
239 Socket->SharedData.GroupID = GroupData.u.LowPart;
240 Socket->SharedData.GroupType = GroupData.u.HighPart;
241 }
242
243 /* Get Window Sizes and Save them */
244 GetSocketInformation (Socket,
245 AFD_INFO_SEND_WINDOW_SIZE,
246 &Socket->SharedData.SizeOfSendBuffer,
247 NULL);
248 GetSocketInformation (Socket,
249 AFD_INFO_RECEIVE_WINDOW_SIZE,
250 &Socket->SharedData.SizeOfRecvBuffer,
251 NULL);
252
253 /* Save in Process Sockets List */
254 Sockets[SocketCount] = Socket;
255 SocketCount ++;
256
257 /* Create the Socket Context */
258 CreateContext(Socket);
259
260 /* Notify Winsock */
261 Upcalls.lpWPUModifyIFSHandle(1, (SOCKET)Sock, lpErrno);
262
263 /* Return Socket Handle */
264 AFD_DbgPrint(MID_TRACE,("Success %x\n", Sock));
265 return (SOCKET)Sock;
266
267 error:
268 AFD_DbgPrint(MID_TRACE,("Ending %x\n", Status));
269
270 if( lpErrno ) *lpErrno = Status;
271
272 return INVALID_SOCKET;
273 }
274
275
276 DWORD MsafdReturnWithErrno( NTSTATUS Status, LPINT Errno, DWORD Received,
277 LPDWORD ReturnedBytes ) {
278 if( ReturnedBytes ) *ReturnedBytes = 0;
279 if( Errno ) {
280 switch (Status) {
281 case STATUS_CANT_WAIT: *Errno = WSAEWOULDBLOCK; break;
282 case STATUS_TIMEOUT: *Errno = WSAETIMEDOUT; break;
283 case STATUS_SUCCESS:
284 /* Return Number of bytes Read */
285 if( ReturnedBytes ) *ReturnedBytes = Received; break;
286 case STATUS_END_OF_FILE: *Errno = WSAESHUTDOWN; break;
287 case STATUS_PENDING: *Errno = WSA_IO_PENDING; break;
288 case STATUS_BUFFER_OVERFLOW: *Errno = WSAEMSGSIZE; break;
289 case STATUS_INVALID_CONNECTION: *Errno = WSAEAFNOSUPPORT; break;
290 default:
291 DbgPrint("MSAFD: Error %x is unknown\n", Status);
292 *Errno = WSAEINVAL; break;
293 }
294 }
295
296 /* Success */
297 return Status == STATUS_SUCCESS ? 0 : SOCKET_ERROR;
298 }
299
300
301 INT
302 WSPAPI
303 WSPCloseSocket(
304 IN SOCKET Handle,
305 OUT LPINT lpErrno)
306 /*
307 * FUNCTION: Closes an open socket
308 * ARGUMENTS:
309 * s = Socket descriptor
310 * lpErrno = Address of buffer for error information
311 * RETURNS:
312 * NO_ERROR, or SOCKET_ERROR if the socket could not be closed
313 */
314 {
315 IO_STATUS_BLOCK IoStatusBlock;
316 PSOCKET_INFORMATION Socket = NULL;
317 NTSTATUS Status;
318 HANDLE SockEvent;
319 AFD_DISCONNECT_INFO DisconnectInfo;
320 SOCKET_STATE OldState;
321
322 /* Create the Wait Event */
323 Status = NtCreateEvent(&SockEvent,
324 GENERIC_READ | GENERIC_WRITE,
325 NULL,
326 1,
327 FALSE);
328
329 if(!NT_SUCCESS(Status)) return SOCKET_ERROR;
330
331 /* Get the Socket Structure associate to this Socket*/
332 Socket = GetSocketStructure(Handle);
333
334 /* If a Close is already in Process, give up */
335 if (Socket->SharedData.State == SocketClosed) {
336 *lpErrno = WSAENOTSOCK;
337 return SOCKET_ERROR;
338 }
339
340 /* Set the state to close */
341 OldState = Socket->SharedData.State;
342 Socket->SharedData.State = SocketClosed;
343
344 /* If SO_LINGER is ON and the Socket is connected, we need to disconnect */
345 /* FIXME: Should we do this on Datagram Sockets too? */
346 if ((OldState == SocketConnected) && (Socket->SharedData.LingerData.l_onoff)) {
347 ULONG LingerWait;
348 ULONG SendsInProgress;
349 ULONG SleepWait;
350
351 /* We need to respect the timeout */
352 SleepWait = 100;
353 LingerWait = Socket->SharedData.LingerData.l_linger * 1000;
354
355 /* Loop until no more sends are pending, within the timeout */
356 while (LingerWait) {
357
358 /* Find out how many Sends are in Progress */
359 if (GetSocketInformation(Socket,
360 AFD_INFO_SENDS_IN_PROGRESS,
361 &SendsInProgress,
362 NULL)) {
363 /* Bail out if anything but NO_ERROR */
364 LingerWait = 0;
365 break;
366 }
367
368 /* Bail out if no more sends are pending */
369 if (!SendsInProgress) break;
370
371 /*
372 * We have to execute a sleep, so it's kind of like
373 * a block. If the socket is Nonblock, we cannot
374 * go on since asyncronous operation is expected
375 * and we cannot offer it
376 */
377 if (Socket->SharedData.NonBlocking) {
378 Socket->SharedData.State = OldState;
379 *lpErrno = WSAEWOULDBLOCK;
380 return SOCKET_ERROR;
381 }
382
383 /* Now we can sleep, and decrement the linger wait */
384 /*
385 * FIXME: It seems Windows does some funky acceleration
386 * since the waiting seems to be longer and longer. I
387 * don't think this improves performance so much, so we
388 * wait a fixed time instead.
389 */
390 Sleep(SleepWait);
391 LingerWait -= SleepWait;
392 }
393
394 /*
395 * We have reached the timeout or sends are over.
396 * Disconnect if the timeout has been reached.
397 */
398 if (LingerWait <= 0) {
399
400 DisconnectInfo.Timeout = RtlConvertLongToLargeInteger(0);
401 DisconnectInfo.DisconnectType = AFD_DISCONNECT_ABORT;
402
403 /* Send IOCTL */
404 Status = NtDeviceIoControlFile((HANDLE)Handle,
405 SockEvent,
406 NULL,
407 NULL,
408 &IoStatusBlock,
409 IOCTL_AFD_DISCONNECT,
410 &DisconnectInfo,
411 sizeof(DisconnectInfo),
412 NULL,
413 0);
414
415 /* Wait for return */
416 if (Status == STATUS_PENDING) {
417 WaitForSingleObject(SockEvent, INFINITE);
418 }
419 }
420 }
421
422 /* FIXME: We should notify the Helper DLL of WSH_NOTIFY_CLOSE */
423
424 /* Cleanup Time! */
425 Socket->HelperContext = NULL;
426 Socket->SharedData.AsyncDisabledEvents = -1;
427 NtClose(Socket->TdiAddressHandle);
428 Socket->TdiAddressHandle = NULL;
429 NtClose(Socket->TdiConnectionHandle);
430 Socket->TdiConnectionHandle = NULL;
431
432 /* Close the handle */
433 NtClose((HANDLE)Handle);
434
435 return NO_ERROR;
436 }
437
438 INT
439 WSPAPI
440 WSPBind(
441 SOCKET Handle,
442 const struct sockaddr *SocketAddress,
443 int SocketAddressLength,
444 LPINT lpErrno)
445 /*
446 * FUNCTION: Associates a local address with a socket
447 * ARGUMENTS:
448 * s = Socket descriptor
449 * name = Pointer to local address
450 * namelen = Length of name
451 * lpErrno = Address of buffer for error information
452 * RETURNS:
453 * 0, or SOCKET_ERROR if the socket could not be bound
454 */
455 {
456 IO_STATUS_BLOCK IOSB;
457 PAFD_BIND_DATA BindData;
458 PSOCKET_INFORMATION Socket = NULL;
459 NTSTATUS Status;
460 UCHAR BindBuffer[0x1A];
461 SOCKADDR_INFO SocketInfo;
462 HANDLE SockEvent;
463
464 Status = NtCreateEvent( &SockEvent, GENERIC_READ | GENERIC_WRITE,
465 NULL, 1, FALSE );
466
467 if( !NT_SUCCESS(Status) ) return -1;
468
469 /* Get the Socket Structure associate to this Socket*/
470 Socket = GetSocketStructure(Handle);
471
472 /* Dynamic Structure...ugh */
473 BindData = (PAFD_BIND_DATA)BindBuffer;
474
475 /* Set up Address in TDI Format */
476 BindData->Address.TAAddressCount = 1;
477 BindData->Address.Address[0].AddressLength = SocketAddressLength - sizeof(SocketAddress->sa_family);
478 BindData->Address.Address[0].AddressType = SocketAddress->sa_family;
479 RtlCopyMemory (BindData->Address.Address[0].Address,
480 SocketAddress->sa_data,
481 SocketAddressLength - sizeof(SocketAddress->sa_family));
482
483 /* Get Address Information */
484 Socket->HelperData->WSHGetSockaddrType ((PSOCKADDR)SocketAddress,
485 SocketAddressLength,
486 &SocketInfo);
487
488 /* Set the Share Type */
489 if (Socket->SharedData.ExclusiveAddressUse) {
490 BindData->ShareType = AFD_SHARE_EXCLUSIVE;
491 }
492 else if (SocketInfo.EndpointInfo == SockaddrEndpointInfoWildcard) {
493 BindData->ShareType = AFD_SHARE_WILDCARD;
494 }
495 else if (Socket->SharedData.ReuseAddresses) {
496 BindData->ShareType = AFD_SHARE_REUSE;
497 } else {
498 BindData->ShareType = AFD_SHARE_UNIQUE;
499 }
500
501 /* Send IOCTL */
502 Status = NtDeviceIoControlFile( (HANDLE)Socket->Handle,
503 SockEvent,
504 NULL,
505 NULL,
506 &IOSB,
507 IOCTL_AFD_BIND,
508 BindData,
509 0xA + Socket->SharedData.SizeOfLocalAddress, /* Can't figure out a way to calculate this in C*/
510 BindData,
511 0xA + Socket->SharedData.SizeOfLocalAddress); /* Can't figure out a way to calculate this C */
512
513 /* Wait for return */
514 if (Status == STATUS_PENDING) {
515 WaitForSingleObject(SockEvent, INFINITE);
516 }
517
518 /* Set up Socket Data */
519 Socket->SharedData.State = SocketBound;
520 Socket->TdiAddressHandle = (HANDLE)IOSB.Information;
521
522 NtClose( SockEvent );
523
524 return MsafdReturnWithErrno
525 ( IOSB.Status, lpErrno, IOSB.Information, NULL );
526 }
527
528 int
529 WSPAPI
530 WSPListen(
531 SOCKET Handle,
532 int Backlog,
533 LPINT lpErrno)
534 {
535 IO_STATUS_BLOCK IOSB;
536 AFD_LISTEN_DATA ListenData;
537 PSOCKET_INFORMATION Socket = NULL;
538 HANDLE SockEvent;
539 NTSTATUS Status;
540
541 Status = NtCreateEvent( &SockEvent, GENERIC_READ | GENERIC_WRITE,
542 NULL, 1, FALSE );
543
544 if( !NT_SUCCESS(Status) ) return -1;
545
546 /* Get the Socket Structure associate to this Socket*/
547 Socket = GetSocketStructure(Handle);
548
549 /* Set Up Listen Structure */
550 ListenData.UseSAN = FALSE;
551 ListenData.UseDelayedAcceptance = Socket->SharedData.UseDelayedAcceptance;
552 ListenData.Backlog = Backlog;
553
554 /* Send IOCTL */
555 Status = NtDeviceIoControlFile( (HANDLE)Socket->Handle,
556 SockEvent,
557 NULL,
558 NULL,
559 &IOSB,
560 IOCTL_AFD_START_LISTEN,
561 &ListenData,
562 sizeof(ListenData),
563 NULL,
564 0);
565
566 /* Wait for return */
567 if (Status == STATUS_PENDING) {
568 WaitForSingleObject(SockEvent, INFINITE);
569 }
570
571 /* Set to Listening */
572 Socket->SharedData.Listening = TRUE;
573
574 NtClose( SockEvent );
575
576 return MsafdReturnWithErrno
577 ( IOSB.Status, lpErrno, IOSB.Information, NULL );
578 }
579
580
581 int
582 WSPAPI
583 WSPSelect(
584 int nfds,
585 fd_set *readfds,
586 fd_set *writefds,
587 fd_set *exceptfds,
588 struct timeval *timeout,
589 LPINT lpErrno)
590 {
591 IO_STATUS_BLOCK IOSB;
592 PAFD_POLL_INFO PollInfo;
593 NTSTATUS Status;
594 ULONG HandleCount, OutCount = 0;
595 ULONG PollBufferSize;
596 PVOID PollBuffer;
597 ULONG i, j = 0, x;
598 HANDLE SockEvent;
599 BOOL HandleCounted;
600 LARGE_INTEGER Timeout;
601
602 /* Find out how many sockets we have, and how large the buffer needs
603 * to be */
604
605 HandleCount =
606 ( readfds ? readfds->fd_count : 0 ) +
607 ( writefds ? writefds->fd_count : 0 ) +
608 ( exceptfds ? exceptfds->fd_count : 0 );
609
610 if( HandleCount < 0 || nfds != 0 ) HandleCount = nfds * 3;
611
612 PollBufferSize = sizeof(*PollInfo) + (HandleCount * sizeof(AFD_HANDLE));
613
614 AFD_DbgPrint(MID_TRACE,("HandleCount: %d BufferSize: %d\n",
615 HandleCount, PollBufferSize));
616
617 /* Convert Timeout to NT Format */
618 if (timeout == NULL) {
619 Timeout.u.LowPart = -1;
620 Timeout.u.HighPart = 0x7FFFFFFF;
621 AFD_DbgPrint(MAX_TRACE,("Infinite timeout\n"));
622 } else {
623 Timeout = RtlEnlargedIntegerMultiply
624 ((timeout->tv_sec * 1000) + (timeout->tv_usec / 1000), -10000);
625 /* Negative timeouts are illegal. Since the kernel represents an
626 * incremental timeout as a negative number, we check for a positive
627 * result.
628 */
629 if (Timeout.QuadPart > 0) {
630 if (lpErrno) *lpErrno = WSAEINVAL;
631 return SOCKET_ERROR;
632 }
633 AFD_DbgPrint(MAX_TRACE,("Timeout: Orig %d.%06d kernel %d\n",
634 timeout->tv_sec, timeout->tv_usec,
635 Timeout.u.LowPart));
636 }
637
638 Status = NtCreateEvent( &SockEvent, GENERIC_READ | GENERIC_WRITE,
639 NULL, 1, FALSE );
640
641 if( !NT_SUCCESS(Status) ) return SOCKET_ERROR;
642
643 /* Allocate */
644 PollBuffer = HeapAlloc(GlobalHeap, 0, PollBufferSize);
645
646 if (!PollBuffer) {
647 if (lpErrno) *lpErrno = WSAEFAULT;
648 NtClose(SockEvent);
649 return SOCKET_ERROR;
650 }
651
652 PollInfo = (PAFD_POLL_INFO)PollBuffer;
653
654 RtlZeroMemory( PollInfo, PollBufferSize );
655
656 /* Number of handles for AFD to Check */
657 PollInfo->HandleCount = HandleCount;
658 PollInfo->Exclusive = FALSE;
659 PollInfo->Timeout = Timeout;
660
661 if (readfds != NULL) {
662 for (i = 0; i < readfds->fd_count; i++, j++) {
663 PollInfo->Handles[j].Handle = readfds->fd_array[i];
664 PollInfo->Handles[j].Events = AFD_EVENT_RECEIVE |
665 AFD_EVENT_DISCONNECT |
666 AFD_EVENT_ABORT |
667 AFD_EVENT_ACCEPT;
668 }
669 }
670 if (writefds != NULL) {
671 for (i = 0; i < writefds->fd_count; i++, j++) {
672 PollInfo->Handles[j].Handle = writefds->fd_array[i];
673 PollInfo->Handles[j].Events = AFD_EVENT_SEND |
674 AFD_EVENT_CONNECT;
675 }
676 }
677 if (exceptfds != NULL) {
678 for (i = 0; i < exceptfds->fd_count; i++, j++) {
679 PollInfo->Handles[j].Handle = exceptfds->fd_array[i];
680 PollInfo->Handles[j].Events = AFD_EVENT_OOB_RECEIVE |
681 AFD_EVENT_CONNECT_FAIL;
682 }
683 }
684
685 /* Send IOCTL */
686 Status = NtDeviceIoControlFile( (HANDLE)PollInfo->Handles[0].Handle,
687 SockEvent,
688 NULL,
689 NULL,
690 &IOSB,
691 IOCTL_AFD_SELECT,
692 PollInfo,
693 PollBufferSize,
694 PollInfo,
695 PollBufferSize);
696
697 AFD_DbgPrint(MID_TRACE,("DeviceIoControlFile => %x\n", Status));
698
699 /* Wait for Completition */
700 if (Status == STATUS_PENDING) {
701 WaitForSingleObject(SockEvent, INFINITE);
702 }
703
704 /* Clear the Structures */
705 if( readfds ) FD_ZERO(readfds);
706 if( writefds ) FD_ZERO(writefds);
707 if( exceptfds ) FD_ZERO(exceptfds);
708
709 /* Loop through return structure */
710 HandleCount = PollInfo->HandleCount;
711
712 /* Return in FDSET Format */
713 for (i = 0; i < HandleCount; i++) {
714 HandleCounted = FALSE;
715 for(x = 1; x; x<<=1) {
716 switch (PollInfo->Handles[i].Events & x) {
717 case AFD_EVENT_RECEIVE:
718 case AFD_EVENT_DISCONNECT:
719 case AFD_EVENT_ABORT:
720 case AFD_EVENT_ACCEPT:
721 case AFD_EVENT_CLOSE:
722 AFD_DbgPrint(MID_TRACE,("Event %x on handle %x\n",
723 PollInfo->Handles[i].Events,
724 PollInfo->Handles[i].Handle));
725 if (! HandleCounted) {
726 OutCount++;
727 HandleCounted = TRUE;
728 }
729 if( readfds ) FD_SET(PollInfo->Handles[i].Handle, readfds);
730 break;
731
732 case AFD_EVENT_SEND: case AFD_EVENT_CONNECT:
733 AFD_DbgPrint(MID_TRACE,("Event %x on handle %x\n",
734 PollInfo->Handles[i].Events,
735 PollInfo->Handles[i].Handle));
736 if (! HandleCounted) {
737 OutCount++;
738 HandleCounted = TRUE;
739 }
740 if( writefds ) FD_SET(PollInfo->Handles[i].Handle, writefds);
741 break;
742
743 case AFD_EVENT_OOB_RECEIVE: case AFD_EVENT_CONNECT_FAIL:
744 AFD_DbgPrint(MID_TRACE,("Event %x on handle %x\n",
745 PollInfo->Handles[i].Events,
746 PollInfo->Handles[i].Handle));
747 if (! HandleCounted) {
748 OutCount++;
749 HandleCounted = TRUE;
750 }
751 if( exceptfds ) FD_SET(PollInfo->Handles[i].Handle, exceptfds);
752 break;
753 }
754 }
755 }
756
757 HeapFree( GlobalHeap, 0, PollBuffer );
758 NtClose( SockEvent );
759
760
761 if( lpErrno ) {
762 switch( IOSB.Status ) {
763 case STATUS_SUCCESS:
764 case STATUS_TIMEOUT: *lpErrno = 0; break;
765 default: *lpErrno = WSAEINVAL; break;
766 }
767 AFD_DbgPrint(MID_TRACE,("*lpErrno = %x\n", *lpErrno));
768 }
769
770 AFD_DbgPrint(MID_TRACE,("%d events\n", OutCount));
771
772 return OutCount;
773 }
774
775 SOCKET
776 WSPAPI
777 WSPAccept(
778 SOCKET Handle,
779 struct sockaddr *SocketAddress,
780 int *SocketAddressLength,
781 LPCONDITIONPROC lpfnCondition,
782 DWORD_PTR dwCallbackData,
783 LPINT lpErrno)
784 {
785 IO_STATUS_BLOCK IOSB;
786 PAFD_RECEIVED_ACCEPT_DATA ListenReceiveData;
787 AFD_ACCEPT_DATA AcceptData;
788 AFD_DEFER_ACCEPT_DATA DeferData;
789 AFD_PENDING_ACCEPT_DATA PendingAcceptData;
790 PSOCKET_INFORMATION Socket = NULL;
791 NTSTATUS Status;
792 struct fd_set ReadSet;
793 struct timeval Timeout;
794 PVOID PendingData = NULL;
795 ULONG PendingDataLength = 0;
796 PVOID CalleeDataBuffer;
797 WSABUF CallerData, CalleeID, CallerID, CalleeData;
798 PSOCKADDR RemoteAddress = NULL;
799 GROUP GroupID = 0;
800 ULONG CallBack;
801 WSAPROTOCOL_INFOW ProtocolInfo;
802 SOCKET AcceptSocket;
803 UCHAR ReceiveBuffer[0x1A];
804 HANDLE SockEvent;
805
806 Status = NtCreateEvent( &SockEvent, GENERIC_READ | GENERIC_WRITE,
807 NULL, 1, FALSE );
808
809 if( !NT_SUCCESS(Status) ) {
810 MsafdReturnWithErrno( Status, lpErrno, 0, NULL );
811 return INVALID_SOCKET;
812 }
813
814 /* Dynamic Structure...ugh */
815 ListenReceiveData = (PAFD_RECEIVED_ACCEPT_DATA)ReceiveBuffer;
816
817 /* Get the Socket Structure associate to this Socket*/
818 Socket = GetSocketStructure(Handle);
819
820 /* If this is non-blocking, make sure there's something for us to accept */
821 FD_ZERO(&ReadSet);
822 FD_SET(Socket->Handle, &ReadSet);
823 Timeout.tv_sec=0;
824 Timeout.tv_usec=0;
825
826 WSPSelect(0, &ReadSet, NULL, NULL, &Timeout, NULL);
827
828 if (ReadSet.fd_array[0] != Socket->Handle) return 0;
829
830 /* Send IOCTL */
831 Status = NtDeviceIoControlFile( (HANDLE)Socket->Handle,
832 SockEvent,
833 NULL,
834 NULL,
835 &IOSB,
836 IOCTL_AFD_WAIT_FOR_LISTEN,
837 NULL,
838 0,
839 ListenReceiveData,
840 0xA + sizeof(*ListenReceiveData));
841
842 /* Wait for return */
843 if (Status == STATUS_PENDING) {
844 WaitForSingleObject(SockEvent, INFINITE);
845 Status = IOSB.Status;
846 }
847
848 if (!NT_SUCCESS(Status)) {
849 NtClose( SockEvent );
850 MsafdReturnWithErrno( Status, lpErrno, 0, NULL );
851 return INVALID_SOCKET;
852 }
853
854 if (lpfnCondition != NULL) {
855 if ((Socket->SharedData.ServiceFlags1 & XP1_CONNECT_DATA) != 0) {
856 /* Find out how much data is pending */
857 PendingAcceptData.SequenceNumber = ListenReceiveData->SequenceNumber;
858 PendingAcceptData.ReturnSize = TRUE;
859
860 /* Send IOCTL */
861 Status = NtDeviceIoControlFile( (HANDLE)Socket->Handle,
862 SockEvent,
863 NULL,
864 NULL,
865 &IOSB,
866 IOCTL_AFD_GET_PENDING_CONNECT_DATA,
867 &PendingAcceptData,
868 sizeof(PendingAcceptData),
869 &PendingAcceptData,
870 sizeof(PendingAcceptData));
871
872 /* Wait for return */
873 if (Status == STATUS_PENDING) {
874 WaitForSingleObject(SockEvent, INFINITE);
875 Status = IOSB.Status;
876 }
877
878 if (!NT_SUCCESS(Status)) {
879 NtClose( SockEvent );
880 MsafdReturnWithErrno( Status, lpErrno, 0, NULL );
881 return INVALID_SOCKET;
882 }
883
884 /* How much data to allocate */
885 PendingDataLength = IOSB.Information;
886
887 if (PendingDataLength) {
888 /* Allocate needed space */
889 PendingData = HeapAlloc(GlobalHeap, 0, PendingDataLength);
890
891 /* We want the data now */
892 PendingAcceptData.ReturnSize = FALSE;
893
894 /* Send IOCTL */
895 Status = NtDeviceIoControlFile( (HANDLE)Socket->Handle,
896 SockEvent,
897 NULL,
898 NULL,
899 &IOSB,
900 IOCTL_AFD_GET_PENDING_CONNECT_DATA,
901 &PendingAcceptData,
902 sizeof(PendingAcceptData),
903 PendingData,
904 PendingDataLength);
905
906 /* Wait for return */
907 if (Status == STATUS_PENDING) {
908 WaitForSingleObject(SockEvent, INFINITE);
909 Status = IOSB.Status;
910 }
911
912 if (!NT_SUCCESS(Status)) {
913 NtClose( SockEvent );
914 MsafdReturnWithErrno( Status, lpErrno, 0, NULL );
915 return INVALID_SOCKET;
916 }
917 }
918 }
919
920 if ((Socket->SharedData.ServiceFlags1 & XP1_QOS_SUPPORTED) != 0) {
921 /* I don't support this yet */
922 }
923
924 /* Build Callee ID */
925 CalleeID.buf = (PVOID)Socket->LocalAddress;
926 CalleeID.len = Socket->SharedData.SizeOfLocalAddress;
927
928 /* Set up Address in SOCKADDR Format */
929 RtlCopyMemory (RemoteAddress,
930 &ListenReceiveData->Address.Address[0].AddressType,
931 sizeof(*RemoteAddress));
932
933 /* Build Caller ID */
934 CallerID.buf = (PVOID)RemoteAddress;
935 CallerID.len = sizeof(*RemoteAddress);
936
937 /* Build Caller Data */
938 CallerData.buf = PendingData;
939 CallerData.len = PendingDataLength;
940
941 /* Check if socket supports Conditional Accept */
942 if (Socket->SharedData.UseDelayedAcceptance != 0) {
943 /* Allocate Buffer for Callee Data */
944 CalleeDataBuffer = HeapAlloc(GlobalHeap, 0, 4096);
945 CalleeData.buf = CalleeDataBuffer;
946 CalleeData.len = 4096;
947 } else {
948 /* Nothing */
949 CalleeData.buf = 0;
950 CalleeData.len = 0;
951 }
952
953 /* Call the Condition Function */
954 CallBack = (lpfnCondition)( &CallerID,
955 CallerData.buf == NULL
956 ? NULL
957 : & CallerData,
958 NULL,
959 NULL,
960 &CalleeID,
961 CalleeData.buf == NULL
962 ? NULL
963 : & CalleeData,
964 &GroupID,
965 dwCallbackData);
966
967 if (((CallBack == CF_ACCEPT) && GroupID) != 0) {
968 /* TBD: Check for Validity */
969 }
970
971 if (CallBack == CF_ACCEPT) {
972
973 if ((Socket->SharedData.ServiceFlags1 & XP1_QOS_SUPPORTED) != 0) {
974 /* I don't support this yet */
975 }
976
977 if (CalleeData.buf) {
978 // SockSetConnectData Sockets(SocketID), IOCTL_AFD_SET_CONNECT_DATA, CalleeData.Buffer, CalleeData.BuffSize, 0
979 }
980
981 } else {
982 /* Callback rejected. Build Defer Structure */
983 DeferData.SequenceNumber = ListenReceiveData->SequenceNumber;
984 DeferData.RejectConnection = (CallBack == CF_REJECT);
985
986 /* Send IOCTL */
987 Status = NtDeviceIoControlFile( (HANDLE)Socket->Handle,
988 SockEvent,
989 NULL,
990 NULL,
991 &IOSB,
992 IOCTL_AFD_DEFER_ACCEPT,
993 &DeferData,
994 sizeof(DeferData),
995 NULL,
996 0);
997
998 /* Wait for return */
999 if (Status == STATUS_PENDING) {
1000 WaitForSingleObject(SockEvent, INFINITE);
1001 Status = IOSB.Status;
1002 }
1003
1004 NtClose( SockEvent );
1005
1006 if (!NT_SUCCESS(Status)) {
1007 MsafdReturnWithErrno( Status, lpErrno, 0, NULL );
1008 return INVALID_SOCKET;
1009 }
1010
1011 if (CallBack == CF_REJECT ) {
1012 *lpErrno = WSAECONNREFUSED;
1013 return INVALID_SOCKET;
1014 } else {
1015 *lpErrno = WSAECONNREFUSED;
1016 return INVALID_SOCKET;
1017 }
1018 }
1019 }
1020
1021 /* Create a new Socket */
1022 ProtocolInfo.dwCatalogEntryId = Socket->SharedData.CatalogEntryId;
1023 ProtocolInfo.dwServiceFlags1 = Socket->SharedData.ServiceFlags1;
1024 ProtocolInfo.dwProviderFlags = Socket->SharedData.ProviderFlags;
1025
1026 AcceptSocket = WSPSocket (Socket->SharedData.AddressFamily,
1027 Socket->SharedData.SocketType,
1028 Socket->SharedData.Protocol,
1029 &ProtocolInfo,
1030 GroupID,
1031 Socket->SharedData.CreateFlags,
1032 NULL);
1033
1034 /* Set up the Accept Structure */
1035 AcceptData.ListenHandle = AcceptSocket;
1036 AcceptData.SequenceNumber = ListenReceiveData->SequenceNumber;
1037
1038 /* Send IOCTL to Accept */
1039 Status = NtDeviceIoControlFile( (HANDLE)Socket->Handle,
1040 SockEvent,
1041 NULL,
1042 NULL,
1043 &IOSB,
1044 IOCTL_AFD_ACCEPT,
1045 &AcceptData,
1046 sizeof(AcceptData),
1047 NULL,
1048 0);
1049
1050 /* Wait for return */
1051 if (Status == STATUS_PENDING) {
1052 WaitForSingleObject(SockEvent, INFINITE);
1053 Status = IOSB.Status;
1054 }
1055
1056 if (!NT_SUCCESS(Status)) {
1057 WSPCloseSocket( AcceptSocket, lpErrno );
1058 MsafdReturnWithErrno( Status, lpErrno, 0, NULL );
1059 return INVALID_SOCKET;
1060 }
1061
1062 /* Return Address in SOCKADDR FORMAT */
1063 if( SocketAddress ) {
1064 RtlCopyMemory (SocketAddress,
1065 &ListenReceiveData->Address.Address[0].AddressType,
1066 sizeof(*RemoteAddress));
1067 if( SocketAddressLength )
1068 *SocketAddressLength =
1069 ListenReceiveData->Address.Address[0].AddressLength;
1070 }
1071
1072 NtClose( SockEvent );
1073
1074 /* Re-enable Async Event */
1075 SockReenableAsyncSelectEvent(Socket, FD_ACCEPT);
1076
1077 AFD_DbgPrint(MID_TRACE,("Socket %x\n", AcceptSocket));
1078
1079 *lpErrno = 0;
1080
1081 /* Return Socket */
1082 return AcceptSocket;
1083 }
1084
1085 int
1086 WSPAPI
1087 WSPConnect(
1088 SOCKET Handle,
1089 const struct sockaddr * SocketAddress,
1090 int SocketAddressLength,
1091 LPWSABUF lpCallerData,
1092 LPWSABUF lpCalleeData,
1093 LPQOS lpSQOS,
1094 LPQOS lpGQOS,
1095 LPINT lpErrno)
1096 {
1097 IO_STATUS_BLOCK IOSB;
1098 PAFD_CONNECT_INFO ConnectInfo;
1099 PSOCKET_INFORMATION Socket = NULL;
1100 NTSTATUS Status;
1101 UCHAR ConnectBuffer[0x22];
1102 ULONG ConnectDataLength;
1103 ULONG InConnectDataLength;
1104 INT BindAddressLength;
1105 PSOCKADDR BindAddress;
1106 HANDLE SockEvent;
1107
1108 Status = NtCreateEvent( &SockEvent, GENERIC_READ | GENERIC_WRITE,
1109 NULL, 1, FALSE );
1110
1111 if( !NT_SUCCESS(Status) ) return -1;
1112
1113 AFD_DbgPrint(MID_TRACE,("Called\n"));
1114
1115 /* Get the Socket Structure associate to this Socket*/
1116 Socket = GetSocketStructure(Handle);
1117
1118 /* Bind us First */
1119 if (Socket->SharedData.State == SocketOpen) {
1120
1121 /* Get the Wildcard Address */
1122 BindAddressLength = Socket->HelperData->MaxWSAddressLength;
1123 BindAddress = HeapAlloc(GetProcessHeap(), 0, BindAddressLength);
1124 Socket->HelperData->WSHGetWildcardSockaddr (Socket->HelperContext,
1125 BindAddress,
1126 &BindAddressLength);
1127
1128 /* Bind it */
1129 WSPBind(Handle, BindAddress, BindAddressLength, NULL);
1130 }
1131
1132 /* Set the Connect Data */
1133 if (lpCallerData != NULL) {
1134 ConnectDataLength = lpCallerData->len;
1135 Status = NtDeviceIoControlFile((HANDLE)Handle,
1136 SockEvent,
1137 NULL,
1138 NULL,
1139 &IOSB,
1140 IOCTL_AFD_SET_CONNECT_DATA,
1141 lpCallerData->buf,
1142 ConnectDataLength,
1143 NULL,
1144 0);
1145 /* Wait for return */
1146 if (Status == STATUS_PENDING) {
1147 WaitForSingleObject(SockEvent, INFINITE);
1148 Status = IOSB.Status;
1149 }
1150 }
1151
1152 /* Dynamic Structure...ugh */
1153 ConnectInfo = (PAFD_CONNECT_INFO)ConnectBuffer;
1154
1155 /* Set up Address in TDI Format */
1156 ConnectInfo->RemoteAddress.TAAddressCount = 1;
1157 ConnectInfo->RemoteAddress.Address[0].AddressLength = SocketAddressLength - sizeof(SocketAddress->sa_family);
1158 ConnectInfo->RemoteAddress.Address[0].AddressType = SocketAddress->sa_family;
1159 RtlCopyMemory (ConnectInfo->RemoteAddress.Address[0].Address,
1160 SocketAddress->sa_data,
1161 SocketAddressLength - sizeof(SocketAddress->sa_family));
1162
1163 /*
1164 * Disable FD_WRITE and FD_CONNECT
1165 * The latter fixes a race condition where the FD_CONNECT is re-enabled
1166 * at the end of this function right after the Async Thread disables it.
1167 * This should only happen at the *next* WSPConnect
1168 */
1169 if (Socket->SharedData.AsyncEvents & FD_CONNECT) {
1170 Socket->SharedData.AsyncDisabledEvents |= FD_CONNECT | FD_WRITE;
1171 }
1172
1173 /* Tell AFD that we want Connection Data back, have it allocate a buffer */
1174 if (lpCalleeData != NULL) {
1175 InConnectDataLength = lpCalleeData->len;
1176 Status = NtDeviceIoControlFile((HANDLE)Handle,
1177 SockEvent,
1178 NULL,
1179 NULL,
1180 &IOSB,
1181 IOCTL_AFD_SET_CONNECT_DATA_SIZE,
1182 &InConnectDataLength,
1183 sizeof(InConnectDataLength),
1184 NULL,
1185 0);
1186
1187 /* Wait for return */
1188 if (Status == STATUS_PENDING) {
1189 WaitForSingleObject(SockEvent, INFINITE);
1190 Status = IOSB.Status;
1191 }
1192 }
1193
1194 /* AFD doesn't seem to care if these are invalid, but let's 0 them anyways */
1195 ConnectInfo->Root = 0;
1196 ConnectInfo->UseSAN = FALSE;
1197 ConnectInfo->Unknown = 0;
1198
1199 /* FIXME: Handle Async Connect */
1200 if (Socket->SharedData.NonBlocking) {
1201 AFD_DbgPrint(MIN_TRACE, ("Async Connect UNIMPLEMENTED!\n"));
1202 }
1203
1204 /* Send IOCTL */
1205 Status = NtDeviceIoControlFile((HANDLE)Handle,
1206 SockEvent,
1207 NULL,
1208 NULL,
1209 &IOSB,
1210 IOCTL_AFD_CONNECT,
1211 ConnectInfo,
1212 0x22,
1213 NULL,
1214 0);
1215 /* Wait for return */
1216 if (Status == STATUS_PENDING) {
1217 WaitForSingleObject(SockEvent, INFINITE);
1218 Status = IOSB.Status;
1219 }
1220
1221 /* Get any pending connect data */
1222 if (lpCalleeData != NULL) {
1223 Status = NtDeviceIoControlFile((HANDLE)Handle,
1224 SockEvent,
1225 NULL,
1226 NULL,
1227 &IOSB,
1228 IOCTL_AFD_GET_CONNECT_DATA,
1229 NULL,
1230 0,
1231 lpCalleeData->buf,
1232 lpCalleeData->len);
1233 /* Wait for return */
1234 if (Status == STATUS_PENDING) {
1235 WaitForSingleObject(SockEvent, INFINITE);
1236 Status = IOSB.Status;
1237 }
1238 }
1239
1240 /* Re-enable Async Event */
1241 SockReenableAsyncSelectEvent(Socket, FD_WRITE);
1242
1243 /* FIXME: THIS IS NOT RIGHT!!! HACK HACK HACK! */
1244 SockReenableAsyncSelectEvent(Socket, FD_CONNECT);
1245
1246 AFD_DbgPrint(MID_TRACE,("Ending\n"));
1247
1248 NtClose( SockEvent );
1249
1250 return MsafdReturnWithErrno( IOSB.Status, lpErrno, 0, NULL );
1251 }
1252 int
1253 WSPAPI
1254 WSPShutdown(
1255 SOCKET Handle,
1256 int HowTo,
1257 LPINT lpErrno)
1258
1259 {
1260 IO_STATUS_BLOCK IOSB;
1261 AFD_DISCONNECT_INFO DisconnectInfo;
1262 PSOCKET_INFORMATION Socket = NULL;
1263 NTSTATUS Status;
1264 HANDLE SockEvent;
1265
1266 Status = NtCreateEvent( &SockEvent, GENERIC_READ | GENERIC_WRITE,
1267 NULL, 1, FALSE );
1268
1269 if( !NT_SUCCESS(Status) ) return -1;
1270
1271 AFD_DbgPrint(MID_TRACE,("Called\n"));
1272
1273 /* Get the Socket Structure associate to this Socket*/
1274 Socket = GetSocketStructure(Handle);
1275
1276 /* Set AFD Disconnect Type */
1277 switch (HowTo) {
1278
1279 case SD_RECEIVE:
1280 DisconnectInfo.DisconnectType = AFD_DISCONNECT_RECV;
1281 Socket->SharedData.ReceiveShutdown = TRUE;
1282 break;
1283
1284 case SD_SEND:
1285 DisconnectInfo.DisconnectType= AFD_DISCONNECT_SEND;
1286 Socket->SharedData.SendShutdown = TRUE;
1287 break;
1288
1289 case SD_BOTH:
1290 DisconnectInfo.DisconnectType = AFD_DISCONNECT_RECV | AFD_DISCONNECT_SEND;
1291 Socket->SharedData.ReceiveShutdown = TRUE;
1292 Socket->SharedData.SendShutdown = TRUE;
1293 break;
1294 }
1295
1296 DisconnectInfo.Timeout = RtlConvertLongToLargeInteger(-1);
1297
1298 /* Send IOCTL */
1299 Status = NtDeviceIoControlFile((HANDLE)Handle,
1300 SockEvent,
1301 NULL,
1302 NULL,
1303 &IOSB,
1304 IOCTL_AFD_DISCONNECT,
1305 &DisconnectInfo,
1306 sizeof(DisconnectInfo),
1307 NULL,
1308 0);
1309
1310 /* Wait for return */
1311 if (Status == STATUS_PENDING) {
1312 WaitForSingleObject(SockEvent, INFINITE);
1313 }
1314
1315 AFD_DbgPrint(MID_TRACE,("Ending\n"));
1316
1317 NtClose( SockEvent );
1318
1319 return MsafdReturnWithErrno( IOSB.Status, lpErrno, 0, NULL );
1320 }
1321
1322
1323 INT
1324 WSPAPI
1325 WSPGetSockName(
1326 IN SOCKET Handle,
1327 OUT LPSOCKADDR Name,
1328 IN OUT LPINT NameLength,
1329 OUT LPINT lpErrno)
1330 {
1331 IO_STATUS_BLOCK IOSB;
1332 ULONG TdiAddressSize;
1333 PTDI_ADDRESS_INFO TdiAddress;
1334 PTRANSPORT_ADDRESS SocketAddress;
1335 PSOCKET_INFORMATION Socket = NULL;
1336 NTSTATUS Status;
1337 HANDLE SockEvent;
1338
1339 Status = NtCreateEvent( &SockEvent, GENERIC_READ | GENERIC_WRITE,
1340 NULL, 1, FALSE );
1341
1342 if( !NT_SUCCESS(Status) ) return SOCKET_ERROR;
1343
1344 /* Get the Socket Structure associate to this Socket*/
1345 Socket = GetSocketStructure(Handle);
1346
1347 /* Allocate a buffer for the address */
1348 TdiAddressSize = FIELD_OFFSET(TDI_ADDRESS_INFO,
1349 Address.Address[0].Address) +
1350 Socket->SharedData.SizeOfLocalAddress;
1351 TdiAddress = HeapAlloc(GlobalHeap, 0, TdiAddressSize);
1352
1353 if ( TdiAddress == NULL ) {
1354 NtClose( SockEvent );
1355 *lpErrno = WSAENOBUFS;
1356 return SOCKET_ERROR;
1357 }
1358
1359 SocketAddress = &TdiAddress->Address;
1360
1361 /* Send IOCTL */
1362 Status = NtDeviceIoControlFile( (HANDLE)Socket->Handle,
1363 SockEvent,
1364 NULL,
1365 NULL,
1366 &IOSB,
1367 IOCTL_AFD_GET_SOCK_NAME,
1368 NULL,
1369 0,
1370 TdiAddress,
1371 TdiAddressSize);
1372
1373 /* Wait for return */
1374 if (Status == STATUS_PENDING) {
1375 WaitForSingleObject(SockEvent, INFINITE);
1376 Status = IOSB.Status;
1377 }
1378
1379 NtClose( SockEvent );
1380
1381 if (NT_SUCCESS(Status)) {
1382 if (*NameLength >= SocketAddress->Address[0].AddressLength) {
1383 Name->sa_family = SocketAddress->Address[0].AddressType;
1384 RtlCopyMemory (Name->sa_data,
1385 SocketAddress->Address[0].Address,
1386 SocketAddress->Address[0].AddressLength);
1387 *NameLength = 2 + SocketAddress->Address[0].AddressLength;
1388 AFD_DbgPrint
1389 (MID_TRACE,
1390 ("NameLength %d Address: %x Port %x\n",
1391 *NameLength,
1392 ((struct sockaddr_in *)Name)->sin_addr.s_addr,
1393 ((struct sockaddr_in *)Name)->sin_port));
1394 HeapFree(GlobalHeap, 0, TdiAddress);
1395 return 0;
1396 } else {
1397 HeapFree(GlobalHeap, 0, TdiAddress);
1398 *lpErrno = WSAEFAULT;
1399 return SOCKET_ERROR;
1400 }
1401 }
1402
1403 return MsafdReturnWithErrno
1404 ( IOSB.Status, lpErrno, 0, NULL );
1405 }
1406
1407
1408 INT
1409 WSPAPI
1410 WSPGetPeerName(
1411 IN SOCKET s,
1412 OUT LPSOCKADDR Name,
1413 IN OUT LPINT NameLength,
1414 OUT LPINT lpErrno)
1415 {
1416 IO_STATUS_BLOCK IOSB;
1417 ULONG TdiAddressSize;
1418 PTDI_ADDRESS_INFO TdiAddress;
1419 PTRANSPORT_ADDRESS SocketAddress;
1420 PSOCKET_INFORMATION Socket = NULL;
1421 NTSTATUS Status;
1422 HANDLE SockEvent;
1423
1424 Status = NtCreateEvent( &SockEvent, GENERIC_READ | GENERIC_WRITE,
1425 NULL, 1, FALSE );
1426
1427 if( !NT_SUCCESS(Status) ) return SOCKET_ERROR;
1428
1429 /* Get the Socket Structure associate to this Socket*/
1430 Socket = GetSocketStructure(s);
1431
1432 /* Allocate a buffer for the address */
1433 TdiAddressSize = FIELD_OFFSET(TDI_ADDRESS_INFO,
1434 Address.Address[0].Address) +
1435 Socket->SharedData.SizeOfLocalAddress;
1436 TdiAddress = HeapAlloc(GlobalHeap, 0, TdiAddressSize);
1437
1438 if ( TdiAddress == NULL ) {
1439 NtClose( SockEvent );
1440 *lpErrno = WSAENOBUFS;
1441 return SOCKET_ERROR;
1442 }
1443
1444 SocketAddress = &TdiAddress->Address;
1445
1446 /* Send IOCTL */
1447 Status = NtDeviceIoControlFile( (HANDLE)Socket->Handle,
1448 SockEvent,
1449 NULL,
1450 NULL,
1451 &IOSB,
1452 IOCTL_AFD_GET_PEER_NAME,
1453 NULL,
1454 0,
1455 TdiAddress,
1456 TdiAddressSize);
1457
1458 /* Wait for return */
1459 if (Status == STATUS_PENDING) {
1460 WaitForSingleObject(SockEvent, INFINITE);
1461 Status = IOSB.Status;
1462 }
1463
1464 NtClose( SockEvent );
1465
1466 if (NT_SUCCESS(Status)) {
1467 if (*NameLength >= SocketAddress->Address[0].AddressLength) {
1468 Name->sa_family = SocketAddress->Address[0].AddressType;
1469 RtlCopyMemory (Name->sa_data,
1470 SocketAddress->Address[0].Address,
1471 SocketAddress->Address[0].AddressLength);
1472 *NameLength = 2 + SocketAddress->Address[0].AddressLength;
1473 AFD_DbgPrint
1474 (MID_TRACE,
1475 ("NameLength %d Address: %s Port %x\n",
1476 *NameLength,
1477 ((struct sockaddr_in *)Name)->sin_addr.s_addr,
1478 ((struct sockaddr_in *)Name)->sin_port));
1479 HeapFree(GlobalHeap, 0, TdiAddress);
1480 return 0;
1481 } else {
1482 HeapFree(GlobalHeap, 0, TdiAddress);
1483 *lpErrno = WSAEFAULT;
1484 return SOCKET_ERROR;
1485 }
1486 }
1487
1488 return MsafdReturnWithErrno
1489 ( IOSB.Status, lpErrno, 0, NULL );
1490 }
1491
1492 INT
1493 WSPAPI
1494 WSPIoctl(
1495 IN SOCKET Handle,
1496 IN DWORD dwIoControlCode,
1497 IN LPVOID lpvInBuffer,
1498 IN DWORD cbInBuffer,
1499 OUT LPVOID lpvOutBuffer,
1500 IN DWORD cbOutBuffer,
1501 OUT LPDWORD lpcbBytesReturned,
1502 IN LPWSAOVERLAPPED lpOverlapped,
1503 IN LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine,
1504 IN LPWSATHREADID lpThreadId,
1505 OUT LPINT lpErrno)
1506 {
1507 PSOCKET_INFORMATION Socket = NULL;
1508
1509 /* Get the Socket Structure associate to this Socket*/
1510 Socket = GetSocketStructure(Handle);
1511
1512 switch( dwIoControlCode ) {
1513 case FIONBIO:
1514 if( cbInBuffer < sizeof(INT) ) return SOCKET_ERROR;
1515 Socket->SharedData.NonBlocking = *((PINT)lpvInBuffer) ? 1 : 0;
1516 AFD_DbgPrint(MID_TRACE,("[%x] Set nonblocking %d\n",
1517 Handle, Socket->SharedData.NonBlocking));
1518 return 0;
1519
1520 case FIONREAD:
1521 return GetSocketInformation(Socket, AFD_INFO_RECEIVE_CONTENT_SIZE, (PULONG)lpvOutBuffer, NULL);
1522
1523 default:
1524 *lpErrno = WSAEINVAL;
1525 return SOCKET_ERROR;
1526 }
1527 }
1528
1529
1530 INT
1531 WSPAPI
1532 WSPGetSockOpt(
1533 IN SOCKET Handle,
1534 IN INT Level,
1535 IN INT OptionName,
1536 OUT CHAR FAR* OptionValue,
1537 IN OUT LPINT OptionLength,
1538 OUT LPINT lpErrno)
1539 {
1540 PSOCKET_INFORMATION Socket = NULL;
1541 PVOID Buffer;
1542 INT BufferSize;
1543 BOOLEAN BoolBuffer;
1544
1545 /* Get the Socket Structure associate to this Socket*/
1546 Socket = GetSocketStructure(Handle);
1547 if (Socket == NULL)
1548 {
1549 *lpErrno = WSAENOTSOCK;
1550 return SOCKET_ERROR;
1551 }
1552
1553 AFD_DbgPrint(MID_TRACE, ("Called\n"));
1554
1555 switch (Level)
1556 {
1557 case SOL_SOCKET:
1558 switch (OptionName)
1559 {
1560 case SO_TYPE:
1561 Buffer = &Socket->SharedData.SocketType;
1562 BufferSize = sizeof(INT);
1563 break;
1564
1565 case SO_RCVBUF:
1566 Buffer = &Socket->SharedData.SizeOfRecvBuffer;
1567 BufferSize = sizeof(INT);
1568 break;
1569
1570 case SO_SNDBUF:
1571 Buffer = &Socket->SharedData.SizeOfSendBuffer;
1572 BufferSize = sizeof(INT);
1573 break;
1574
1575 case SO_ACCEPTCONN:
1576 BoolBuffer = Socket->SharedData.Listening;
1577 Buffer = &BoolBuffer;
1578 BufferSize = sizeof(BOOLEAN);
1579 break;
1580
1581 case SO_BROADCAST:
1582 BoolBuffer = Socket->SharedData.Broadcast;
1583 Buffer = &BoolBuffer;
1584 BufferSize = sizeof(BOOLEAN);
1585 break;
1586
1587 case SO_DEBUG:
1588 BoolBuffer = Socket->SharedData.Debug;
1589 Buffer = &BoolBuffer;
1590 BufferSize = sizeof(BOOLEAN);
1591 break;
1592
1593 /* case SO_CONDITIONAL_ACCEPT: */
1594 case SO_DONTLINGER:
1595 case SO_DONTROUTE:
1596 case SO_ERROR:
1597 case SO_GROUP_ID:
1598 case SO_GROUP_PRIORITY:
1599 case SO_KEEPALIVE:
1600 case SO_LINGER:
1601 case SO_MAX_MSG_SIZE:
1602 case SO_OOBINLINE:
1603 case SO_PROTOCOL_INFO:
1604 case SO_REUSEADDR:
1605 AFD_DbgPrint(MID_TRACE, ("Unimplemented option (%x)\n",
1606 OptionName));
1607
1608 default:
1609 *lpErrno = WSAEINVAL;
1610 return SOCKET_ERROR;
1611 }
1612
1613 if (*OptionLength < BufferSize)
1614 {
1615 *lpErrno = WSAEFAULT;
1616 *OptionLength = BufferSize;
1617 return SOCKET_ERROR;
1618 }
1619 RtlCopyMemory(OptionValue, Buffer, BufferSize);
1620
1621 return 0;
1622
1623 case IPPROTO_TCP: /* FIXME */
1624 default:
1625 *lpErrno = WSAEINVAL;
1626 return SOCKET_ERROR;
1627 }
1628 }
1629
1630
1631 INT
1632 WSPAPI
1633 WSPStartup(
1634 IN WORD wVersionRequested,
1635 OUT LPWSPDATA lpWSPData,
1636 IN LPWSAPROTOCOL_INFOW lpProtocolInfo,
1637 IN WSPUPCALLTABLE UpcallTable,
1638 OUT LPWSPPROC_TABLE lpProcTable)
1639 /*
1640 * FUNCTION: Initialize service provider for a client
1641 * ARGUMENTS:
1642 * wVersionRequested = Highest WinSock SPI version that the caller can use
1643 * lpWSPData = Address of WSPDATA structure to initialize
1644 * lpProtocolInfo = Pointer to structure that defines the desired protocol
1645 * UpcallTable = Pointer to upcall table of the WinSock DLL
1646 * lpProcTable = Address of procedure table to initialize
1647 * RETURNS:
1648 * Status of operation
1649 */
1650 {
1651 NTSTATUS Status;
1652
1653 AFD_DbgPrint(MAX_TRACE, ("wVersionRequested (0x%X) \n", wVersionRequested));
1654
1655 Status = NO_ERROR;
1656
1657 Upcalls = UpcallTable;
1658
1659 if (Status == NO_ERROR) {
1660 lpProcTable->lpWSPAccept = WSPAccept;
1661 lpProcTable->lpWSPAddressToString = WSPAddressToString;
1662 lpProcTable->lpWSPAsyncSelect = WSPAsyncSelect;
1663 lpProcTable->lpWSPBind = WSPBind;
1664 lpProcTable->lpWSPCancelBlockingCall = WSPCancelBlockingCall;
1665 lpProcTable->lpWSPCleanup = WSPCleanup;
1666 lpProcTable->lpWSPCloseSocket = WSPCloseSocket;
1667 lpProcTable->lpWSPConnect = WSPConnect;
1668 lpProcTable->lpWSPDuplicateSocket = WSPDuplicateSocket;
1669 lpProcTable->lpWSPEnumNetworkEvents = WSPEnumNetworkEvents;
1670 lpProcTable->lpWSPEventSelect = WSPEventSelect;
1671 lpProcTable->lpWSPGetOverlappedResult = WSPGetOverlappedResult;
1672 lpProcTable->lpWSPGetPeerName = WSPGetPeerName;
1673 lpProcTable->lpWSPGetSockName = WSPGetSockName;
1674 lpProcTable->lpWSPGetSockOpt = WSPGetSockOpt;
1675 lpProcTable->lpWSPGetQOSByName = WSPGetQOSByName;
1676 lpProcTable->lpWSPIoctl = WSPIoctl;
1677 lpProcTable->lpWSPJoinLeaf = WSPJoinLeaf;
1678 lpProcTable->lpWSPListen = WSPListen;
1679 lpProcTable->lpWSPRecv = WSPRecv;
1680 lpProcTable->lpWSPRecvDisconnect = WSPRecvDisconnect;
1681 lpProcTable->lpWSPRecvFrom = WSPRecvFrom;
1682 lpProcTable->lpWSPSelect = WSPSelect;
1683 lpProcTable->lpWSPSend = WSPSend;
1684 lpProcTable->lpWSPSendDisconnect = WSPSendDisconnect;
1685 lpProcTable->lpWSPSendTo = WSPSendTo;
1686 lpProcTable->lpWSPSetSockOpt = WSPSetSockOpt;
1687 lpProcTable->lpWSPShutdown = WSPShutdown;
1688 lpProcTable->lpWSPSocket = WSPSocket;
1689 lpProcTable->lpWSPStringToAddress = WSPStringToAddress;
1690
1691 lpWSPData->wVersion = MAKEWORD(2, 2);
1692 lpWSPData->wHighVersion = MAKEWORD(2, 2);
1693 }
1694
1695 AFD_DbgPrint(MAX_TRACE, ("Status (%d).\n", Status));
1696
1697 return Status;
1698 }
1699
1700
1701 INT
1702 WSPAPI
1703 WSPCleanup(
1704 OUT LPINT lpErrno)
1705 /*
1706 * FUNCTION: Cleans up service provider for a client
1707 * ARGUMENTS:
1708 * lpErrno = Address of buffer for error information
1709 * RETURNS:
1710 * 0 if successful, or SOCKET_ERROR if not
1711 */
1712 {
1713 AFD_DbgPrint(MAX_TRACE, ("\n"));
1714
1715
1716 AFD_DbgPrint(MAX_TRACE, ("Leaving.\n"));
1717
1718 *lpErrno = NO_ERROR;
1719
1720 return 0;
1721 }
1722
1723
1724
1725 int
1726 GetSocketInformation(
1727 PSOCKET_INFORMATION Socket,
1728 ULONG AfdInformationClass,
1729 PULONG Ulong OPTIONAL,
1730 PLARGE_INTEGER LargeInteger OPTIONAL)
1731 {
1732 IO_STATUS_BLOCK IOSB;
1733 AFD_INFO InfoData;
1734 NTSTATUS Status;
1735 HANDLE SockEvent;
1736
1737 Status = NtCreateEvent( &SockEvent, GENERIC_READ | GENERIC_WRITE,
1738 NULL, 1, FALSE );
1739
1740 if( !NT_SUCCESS(Status) ) return -1;
1741
1742 /* Set Info Class */
1743 InfoData.InformationClass = AfdInformationClass;
1744
1745 /* Send IOCTL */
1746 Status = NtDeviceIoControlFile( (HANDLE)Socket->Handle,
1747 SockEvent,
1748 NULL,
1749 NULL,
1750 &IOSB,
1751 IOCTL_AFD_GET_INFO,
1752 &InfoData,
1753 sizeof(InfoData),
1754 &InfoData,
1755 sizeof(InfoData));
1756
1757 /* Wait for return */
1758 if (Status == STATUS_PENDING) {
1759 WaitForSingleObject(SockEvent, INFINITE);
1760 }
1761
1762 /* Return Information */
1763 *Ulong = InfoData.Information.Ulong;
1764 if (LargeInteger != NULL) {
1765 *LargeInteger = InfoData.Information.LargeInteger;
1766 }
1767
1768 NtClose( SockEvent );
1769
1770 return 0;
1771
1772 }
1773
1774
1775 int
1776 SetSocketInformation(
1777 PSOCKET_INFORMATION Socket,
1778 ULONG AfdInformationClass,
1779 PULONG Ulong OPTIONAL,
1780 PLARGE_INTEGER LargeInteger OPTIONAL)
1781 {
1782 IO_STATUS_BLOCK IOSB;
1783 AFD_INFO InfoData;
1784 NTSTATUS Status;
1785 HANDLE SockEvent;
1786
1787 Status = NtCreateEvent( &SockEvent, GENERIC_READ | GENERIC_WRITE,
1788 NULL, 1, FALSE );
1789
1790 if( !NT_SUCCESS(Status) ) return -1;
1791
1792 /* Set Info Class */
1793 InfoData.InformationClass = AfdInformationClass;
1794
1795 /* Set Information */
1796 InfoData.Information.Ulong = *Ulong;
1797 if (LargeInteger != NULL) {
1798 InfoData.Information.LargeInteger = *LargeInteger;
1799 }
1800
1801 AFD_DbgPrint(MID_TRACE,("XXX Info %x (Data %x)\n",
1802 AfdInformationClass, *Ulong));
1803
1804 /* Send IOCTL */
1805 Status = NtDeviceIoControlFile( (HANDLE)Socket->Handle,
1806 SockEvent,
1807 NULL,
1808 NULL,
1809 &IOSB,
1810 IOCTL_AFD_GET_INFO,
1811 &InfoData,
1812 sizeof(InfoData),
1813 NULL,
1814 0);
1815
1816 /* Wait for return */
1817 if (Status == STATUS_PENDING) {
1818 WaitForSingleObject(SockEvent, INFINITE);
1819 }
1820
1821 NtClose( SockEvent );
1822
1823 return 0;
1824
1825 }
1826
1827 PSOCKET_INFORMATION
1828 GetSocketStructure(
1829 SOCKET Handle)
1830 {
1831 ULONG i;
1832
1833 for (i=0; i<SocketCount; i++) {
1834 if (Sockets[i]->Handle == Handle) {
1835 return Sockets[i];
1836 }
1837 }
1838 return 0;
1839 }
1840
1841 int CreateContext(PSOCKET_INFORMATION Socket)
1842 {
1843 IO_STATUS_BLOCK IOSB;
1844 SOCKET_CONTEXT ContextData;
1845 NTSTATUS Status;
1846 HANDLE SockEvent;
1847
1848 Status = NtCreateEvent( &SockEvent, GENERIC_READ | GENERIC_WRITE,
1849 NULL, 1, FALSE );
1850
1851 if( !NT_SUCCESS(Status) ) return -1;
1852
1853 /* Create Context */
1854 ContextData.SharedData = Socket->SharedData;
1855 ContextData.SizeOfHelperData = 0;
1856 RtlCopyMemory (&ContextData.LocalAddress,
1857 Socket->LocalAddress,
1858 Socket->SharedData.SizeOfLocalAddress);
1859 RtlCopyMemory (&ContextData.RemoteAddress,
1860 Socket->RemoteAddress,
1861 Socket->SharedData.SizeOfRemoteAddress);
1862
1863 /* Send IOCTL */
1864 Status = NtDeviceIoControlFile( (HANDLE)Socket->Handle,
1865 SockEvent,
1866 NULL,
1867 NULL,
1868 &IOSB,
1869 IOCTL_AFD_SET_CONTEXT,
1870 &ContextData,
1871 sizeof(ContextData),
1872 NULL,
1873 0);
1874
1875 /* Wait for Completition */
1876 if (Status == STATUS_PENDING) {
1877 WaitForSingleObject(SockEvent, INFINITE);
1878 }
1879
1880 NtClose( SockEvent );
1881
1882 return 0;
1883 }
1884
1885 BOOLEAN SockCreateOrReferenceAsyncThread(VOID)
1886 {
1887 HANDLE hAsyncThread;
1888 DWORD AsyncThreadId;
1889 HANDLE AsyncEvent;
1890 OBJECT_HANDLE_ATTRIBUTE_INFORMATION HandleFlags;
1891 NTSTATUS Status;
1892
1893 /* Check if the Thread Already Exists */
1894 if (SockAsyncThreadRefCount) {
1895 return TRUE;
1896 }
1897
1898 /* Create the Completion Port */
1899 if (!SockAsyncCompletionPort) {
1900 Status = NtCreateIoCompletion(&SockAsyncCompletionPort,
1901 IO_COMPLETION_ALL_ACCESS,
1902 NULL,
1903 2); // Allow 2 threads only
1904
1905 /* Protect Handle */
1906 HandleFlags.ProtectFromClose = TRUE;
1907 HandleFlags.Inherit = FALSE;
1908 Status = NtSetInformationObject(SockAsyncCompletionPort,
1909 ObjectHandleFlagInformation,
1910 &HandleFlags,
1911 sizeof(HandleFlags));
1912 }
1913
1914 /* Create the Async Event */
1915 Status = NtCreateEvent(&AsyncEvent,
1916 EVENT_ALL_ACCESS,
1917 NULL,
1918 NotificationEvent,
1919 FALSE);
1920
1921 /* Create the Async Thread */
1922 hAsyncThread = CreateThread(NULL,
1923 0,
1924 (LPTHREAD_START_ROUTINE)SockAsyncThread,
1925 NULL,
1926 0,
1927 &AsyncThreadId);
1928
1929 /* Close the Handle */
1930 NtClose(hAsyncThread);
1931
1932 /* Increase the Reference Count */
1933 SockAsyncThreadRefCount++;
1934 return TRUE;
1935 }
1936
1937 int SockAsyncThread(PVOID ThreadParam)
1938 {
1939 PVOID AsyncContext;
1940 PASYNC_COMPLETION_ROUTINE AsyncCompletionRoutine;
1941 IO_STATUS_BLOCK IOSB;
1942 NTSTATUS Status;
1943
1944 /* Make the Thread Higher Priority */
1945 SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_ABOVE_NORMAL);
1946
1947 /* Do a KQUEUE/WorkItem Style Loop, thanks to IoCompletion Ports */
1948 do {
1949 Status = NtRemoveIoCompletion (SockAsyncCompletionPort,
1950 (PVOID*)&AsyncCompletionRoutine,
1951 &AsyncContext,
1952 &IOSB,
1953 NULL);
1954
1955 /* Call the Async Function */
1956 if (NT_SUCCESS(Status)) {
1957 (*AsyncCompletionRoutine)(AsyncContext, &IOSB);
1958 } else {
1959 /* It Failed, sleep for a second */
1960 Sleep(1000);
1961 }
1962 } while ((Status != STATUS_TIMEOUT));
1963
1964 /* The Thread has Ended */
1965 return 0;
1966 }
1967
1968 BOOLEAN SockGetAsyncSelectHelperAfdHandle(VOID)
1969 {
1970 UNICODE_STRING AfdHelper;
1971 OBJECT_ATTRIBUTES ObjectAttributes;
1972 IO_STATUS_BLOCK IoSb;
1973 NTSTATUS Status;
1974 FILE_COMPLETION_INFORMATION CompletionInfo;
1975 OBJECT_HANDLE_ATTRIBUTE_INFORMATION HandleFlags;
1976
1977 /* First, make sure we're not already intialized */
1978 if (SockAsyncHelperAfdHandle) {
1979 return TRUE;
1980 }
1981
1982 /* Set up Handle Name and Object */
1983 RtlInitUnicodeString(&AfdHelper, L"\\Device\\Afd\\AsyncSelectHlp" );
1984 InitializeObjectAttributes(&ObjectAttributes,
1985 &AfdHelper,
1986 OBJ_INHERIT | OBJ_CASE_INSENSITIVE,
1987 NULL,
1988 NULL);
1989
1990 /* Open the Handle to AFD */
1991 Status = NtCreateFile(&SockAsyncHelperAfdHandle,
1992 GENERIC_READ | GENERIC_WRITE | SYNCHRONIZE,
1993 &ObjectAttributes,
1994 &IoSb,
1995 NULL,
1996 0,
1997 FILE_SHARE_READ | FILE_SHARE_WRITE,
1998 FILE_OPEN_IF,
1999 0,
2000 NULL,
2001 0);
2002
2003 /*
2004 * Now Set up the Completion Port Information
2005 * This means that whenever a Poll is finished, the routine will be executed
2006 */
2007 CompletionInfo.Port = SockAsyncCompletionPort;
2008 CompletionInfo.Key = SockAsyncSelectCompletionRoutine;
2009 Status = NtSetInformationFile(SockAsyncHelperAfdHandle,
2010 &IoSb,
2011 &CompletionInfo,
2012 sizeof(CompletionInfo),
2013 FileCompletionInformation);
2014
2015
2016 /* Protect the Handle */
2017 HandleFlags.ProtectFromClose = TRUE;
2018 HandleFlags.Inherit = FALSE;
2019 Status = NtSetInformationObject(SockAsyncCompletionPort,
2020 ObjectHandleFlagInformation,
2021 &HandleFlags,
2022 sizeof(HandleFlags));
2023
2024
2025 /* Set this variable to true so that Send/Recv/Accept will know wether to renable disabled events */
2026 SockAsyncSelectCalled = TRUE;
2027 return TRUE;
2028 }
2029
2030 VOID SockAsyncSelectCompletionRoutine(PVOID Context, PIO_STATUS_BLOCK IoStatusBlock)
2031 {
2032
2033 PASYNC_DATA AsyncData = Context;
2034 PSOCKET_INFORMATION Socket;
2035 ULONG x;
2036
2037 /* Get the Socket */
2038 Socket = AsyncData->ParentSocket;
2039
2040 /* Check if the Sequence Number Changed behind our back */
2041 if (AsyncData->SequenceNumber != Socket->SharedData.SequenceNumber ){
2042 return;
2043 }
2044
2045 /* Check we were manually called b/c of a failure */
2046 if (!NT_SUCCESS(IoStatusBlock->Status)) {
2047 /* FIXME: Perform Upcall */
2048 return;
2049 }
2050
2051 for (x = 1; x; x<<=1) {
2052 switch (AsyncData->AsyncSelectInfo.Handles[0].Events & x) {
2053 case AFD_EVENT_RECEIVE:
2054 if (0 != (Socket->SharedData.AsyncEvents & FD_READ) && 0 == (Socket->SharedData.AsyncDisabledEvents & FD_READ)) {
2055 /* Make the Notifcation */
2056 (Upcalls.lpWPUPostMessage)(Socket->SharedData.hWnd,
2057 Socket->SharedData.wMsg,
2058 Socket->Handle,
2059 WSAMAKESELECTREPLY(FD_READ, 0));
2060 /* Disable this event until the next read(); */
2061 Socket->SharedData.AsyncDisabledEvents |= FD_READ;
2062 }
2063 break;
2064
2065 case AFD_EVENT_OOB_RECEIVE:
2066 if (0 != (Socket->SharedData.AsyncEvents & FD_OOB) && 0 == (Socket->SharedData.AsyncDisabledEvents & FD_OOB)) {
2067 /* Make the Notifcation */
2068 (Upcalls.lpWPUPostMessage)(Socket->SharedData.hWnd,
2069 Socket->SharedData.wMsg,
2070 Socket->Handle,
2071 WSAMAKESELECTREPLY(FD_OOB, 0));
2072 /* Disable this event until the next read(); */
2073 Socket->SharedData.AsyncDisabledEvents |= FD_OOB;
2074 }
2075 break;
2076
2077 case AFD_EVENT_SEND:
2078 if (0 != (Socket->SharedData.AsyncEvents & FD_WRITE) && 0 == (Socket->SharedData.AsyncDisabledEvents & FD_WRITE)) {
2079 /* Make the Notifcation */
2080 (Upcalls.lpWPUPostMessage)(Socket->SharedData.hWnd,
2081 Socket->SharedData.wMsg,
2082 Socket->Handle,
2083 WSAMAKESELECTREPLY(FD_WRITE, 0));
2084 /* Disable this event until the next write(); */
2085 Socket->SharedData.AsyncDisabledEvents |= FD_WRITE;
2086 }
2087 break;
2088
2089 /* FIXME: THIS IS NOT RIGHT!!! HACK HACK HACK! */
2090 case AFD_EVENT_CONNECT:
2091 if (0 != (Socket->SharedData.AsyncEvents & FD_CONNECT) && 0 == (Socket->SharedData.AsyncDisabledEvents & FD_CONNECT)) {
2092 /* Make the Notifcation */
2093 (Upcalls.lpWPUPostMessage)(Socket->SharedData.hWnd,
2094 Socket->SharedData.wMsg,
2095 Socket->Handle,
2096 WSAMAKESELECTREPLY(FD_CONNECT, 0));
2097 /* Disable this event forever; */
2098 Socket->SharedData.AsyncDisabledEvents |= FD_CONNECT;
2099 }
2100 break;
2101
2102 case AFD_EVENT_ACCEPT:
2103 if (0 != (Socket->SharedData.AsyncEvents & FD_ACCEPT) && 0 == (Socket->SharedData.AsyncDisabledEvents & FD_ACCEPT)) {
2104 /* Make the Notifcation */
2105 (Upcalls.lpWPUPostMessage)(Socket->SharedData.hWnd,
2106 Socket->SharedData.wMsg,
2107 Socket->Handle,
2108 WSAMAKESELECTREPLY(FD_ACCEPT, 0));
2109 /* Disable this event until the next accept(); */
2110 Socket->SharedData.AsyncDisabledEvents |= FD_ACCEPT;
2111 }
2112 break;
2113
2114 case AFD_EVENT_DISCONNECT:
2115 case AFD_EVENT_ABORT:
2116 case AFD_EVENT_CLOSE:
2117 if (0 != (Socket->SharedData.AsyncEvents & FD_CLOSE) && 0 == (Socket->SharedData.AsyncDisabledEvents & FD_CLOSE)) {
2118 /* Make the Notifcation */
2119 (Upcalls.lpWPUPostMessage)(Socket->SharedData.hWnd,
2120 Socket->SharedData.wMsg,
2121 Socket->Handle,
2122 WSAMAKESELECTREPLY(FD_CLOSE, 0));
2123 /* Disable this event forever; */
2124 Socket->SharedData.AsyncDisabledEvents |= FD_CLOSE;
2125 }
2126 break;
2127
2128 /* FIXME: Support QOS */
2129 }
2130 }
2131
2132 /* Check if there are any events left for us to check */
2133 if ((Socket->SharedData.AsyncEvents & (~Socket->SharedData.AsyncDisabledEvents)) == 0 ) {
2134 return;
2135 }
2136
2137 /* Keep Polling */
2138 SockProcessAsyncSelect(Socket, AsyncData);
2139 return;
2140 }
2141
2142 VOID SockProcessAsyncSelect(PSOCKET_INFORMATION Socket, PASYNC_DATA AsyncData)
2143 {
2144
2145 ULONG lNetworkEvents;
2146 NTSTATUS Status;
2147
2148 /* Set up the Async Data Event Info */
2149 AsyncData->AsyncSelectInfo.Timeout.HighPart = 0x7FFFFFFF;
2150 AsyncData->AsyncSelectInfo.Timeout.LowPart = 0xFFFFFFFF;
2151 AsyncData->AsyncSelectInfo.HandleCount = 1;
2152 AsyncData->AsyncSelectInfo.Exclusive = TRUE;
2153 AsyncData->AsyncSelectInfo.Handles[0].Handle = Socket->Handle;
2154 AsyncData->AsyncSelectInfo.Handles[0].Events = 0;
2155
2156 /* Remove unwanted events */
2157 lNetworkEvents = Socket->SharedData.AsyncEvents & (~Socket->SharedData.AsyncDisabledEvents);
2158
2159 /* Set Events to wait for */
2160 if (lNetworkEvents & FD_READ) {
2161 AsyncData->AsyncSelectInfo.Handles[0].Events |= AFD_EVENT_RECEIVE;
2162 }
2163
2164 if (lNetworkEvents & FD_WRITE) {
2165 AsyncData->AsyncSelectInfo.Handles[0].Events |= AFD_EVENT_SEND;
2166 }
2167
2168 if (lNetworkEvents & FD_OOB) {
2169 AsyncData->AsyncSelectInfo.Handles[0].Events |= AFD_EVENT_OOB_RECEIVE;
2170 }
2171
2172 if (lNetworkEvents & FD_ACCEPT) {
2173 AsyncData->AsyncSelectInfo.Handles[0].Events |= AFD_EVENT_ACCEPT;
2174 }
2175
2176 /* FIXME: THIS IS NOT RIGHT!!! HACK HACK HACK! */
2177 if (lNetworkEvents & FD_CONNECT) {
2178 AsyncData->AsyncSelectInfo.Handles[0].Events |= AFD_EVENT_CONNECT | AFD_EVENT_CONNECT_FAIL;
2179 }
2180
2181 if (lNetworkEvents & FD_CLOSE) {
2182 AsyncData->AsyncSelectInfo.Handles[0].Events |= AFD_EVENT_DISCONNECT | AFD_EVENT_ABORT;
2183 }
2184
2185 if (lNetworkEvents & FD_QOS) {
2186 AsyncData->AsyncSelectInfo.Handles[0].Events |= AFD_EVENT_QOS;
2187 }
2188
2189 if (lNetworkEvents & FD_GROUP_QOS) {
2190 AsyncData->AsyncSelectInfo.Handles[0].Events |= AFD_EVENT_GROUP_QOS;
2191 }
2192
2193 /* Send IOCTL */
2194 Status = NtDeviceIoControlFile (SockAsyncHelperAfdHandle,
2195 NULL,
2196 NULL,
2197 AsyncData,
2198 &AsyncData->IoStatusBlock,
2199 IOCTL_AFD_SELECT,
2200 &AsyncData->AsyncSelectInfo,
2201 sizeof(AsyncData->AsyncSelectInfo),
2202 &AsyncData->AsyncSelectInfo,
2203 sizeof(AsyncData->AsyncSelectInfo));
2204
2205 /* I/O Manager Won't call the completion routine, let's do it manually */
2206 if (NT_SUCCESS(Status)) {
2207 return;
2208 } else {
2209 AsyncData->IoStatusBlock.Status = Status;
2210 SockAsyncSelectCompletionRoutine(AsyncData, &AsyncData->IoStatusBlock);
2211 }
2212 }
2213
2214 VOID SockProcessQueuedAsyncSelect(PVOID Context, PIO_STATUS_BLOCK IoStatusBlock)
2215 {
2216 PASYNC_DATA AsyncData = Context;
2217 BOOL FreeContext = TRUE;
2218 PSOCKET_INFORMATION Socket;
2219
2220 /* Get the Socket */
2221 Socket = AsyncData->ParentSocket;
2222
2223 /* If someone closed it, stop the function */
2224 if (Socket->SharedData.State != SocketClosed) {
2225 /* Check if the Sequence Number changed by now, in which case quit */
2226 if (AsyncData->SequenceNumber == Socket->SharedData.SequenceNumber) {
2227 /* Do the actuall select, if needed */
2228 if ((Socket->SharedData.AsyncEvents & (~Socket->SharedData.AsyncDisabledEvents))) {
2229 SockProcessAsyncSelect(Socket, AsyncData);
2230 FreeContext = FALSE;
2231 }
2232 }
2233 }
2234
2235 /* Free the Context */
2236 if (FreeContext) {
2237 HeapFree(GetProcessHeap(), 0, AsyncData);
2238 }
2239
2240 return;
2241 }
2242
2243 VOID
2244 SockReenableAsyncSelectEvent (
2245 IN PSOCKET_INFORMATION Socket,
2246 IN ULONG Event
2247 )
2248 {
2249 PASYNC_DATA AsyncData;
2250
2251 /* Make sure the event is actually disabled */
2252 if (!(Socket->SharedData.AsyncDisabledEvents & Event)) {
2253 return;
2254 }
2255
2256 /* Re-enable it */
2257 Socket->SharedData.AsyncDisabledEvents &= ~Event;
2258
2259 /* Return if no more events are being polled */
2260 if ((Socket->SharedData.AsyncEvents & (~Socket->SharedData.AsyncDisabledEvents)) == 0 ) {
2261 return;
2262 }
2263
2264 /* Wait on new events */
2265 AsyncData = HeapAlloc(GetProcessHeap(), 0, sizeof(ASYNC_DATA));
2266
2267 /* Create the Asynch Thread if Needed */
2268 SockCreateOrReferenceAsyncThread();
2269
2270 /* Increase the sequence number to stop anything else */
2271 Socket->SharedData.SequenceNumber++;
2272
2273 /* Set up the Async Data */
2274 AsyncData->ParentSocket = Socket;
2275 AsyncData->SequenceNumber = Socket->SharedData.SequenceNumber;
2276
2277 /* Begin Async Select by using I/O Completion */
2278 NtSetIoCompletion(SockAsyncCompletionPort,
2279 (PVOID)&SockProcessQueuedAsyncSelect,
2280 AsyncData,
2281 0,
2282 0);
2283
2284 /* All done */
2285 return;
2286 }
2287
2288 BOOL
2289 STDCALL
2290 DllMain(HANDLE hInstDll,
2291 ULONG dwReason,
2292 PVOID Reserved)
2293 {
2294
2295 switch (dwReason) {
2296 case DLL_PROCESS_ATTACH:
2297
2298 AFD_DbgPrint(MAX_TRACE, ("Loading MSAFD.DLL \n"));
2299
2300 /* Don't need thread attach notifications
2301 so disable them to improve performance */
2302 DisableThreadLibraryCalls(hInstDll);
2303
2304 /* List of DLL Helpers */
2305 InitializeListHead(&SockHelpersListHead);
2306
2307 /* Heap to use when allocating */
2308 GlobalHeap = GetProcessHeap();
2309
2310 /* Allocate Heap for 1024 Sockets, can be expanded later */
2311 Sockets = HeapAlloc(GetProcessHeap(), 0, sizeof(PSOCKET_INFORMATION) * 1024);
2312
2313 AFD_DbgPrint(MAX_TRACE, ("MSAFD.DLL has been loaded\n"));
2314
2315 break;
2316
2317 case DLL_THREAD_ATTACH:
2318 break;
2319
2320 case DLL_THREAD_DETACH:
2321 break;
2322
2323 case DLL_PROCESS_DETACH:
2324 break;
2325 }
2326
2327 AFD_DbgPrint(MAX_TRACE, ("DllMain of msafd.dll (leaving)\n"));
2328
2329 return TRUE;
2330 }
2331
2332 /* EOF */
2333
2334
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