/dll/win32/msafd/misc/dllmain.c
C | 3025 lines | 2301 code | 424 blank | 300 comment | 367 complexity | 0e9108fd373225420c56433e6347f8f6 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.1, LGPL-3.0, CC-BY-SA-3.0, AGPL-3.0, GPL-3.0, CPL-1.0
- /*
- * COPYRIGHT: See COPYING in the top level directory
- * PROJECT: ReactOS Ancillary Function Driver DLL
- * FILE: misc/dllmain.c
- * PURPOSE: DLL entry point
- * PROGRAMMERS: Casper S. Hornstrup (chorns@users.sourceforge.net)
- * Alex Ionescu (alex@relsoft.net)
- * REVISIONS:
- * CSH 01/09-2000 Created
- * Alex 16/07/2004 - Complete Rewrite
- */
- #include <msafd.h>
- #if DBG
- //DWORD DebugTraceLevel = DEBUG_ULTRA;
- DWORD DebugTraceLevel = 0;
- #endif /* DBG */
- HANDLE GlobalHeap;
- WSPUPCALLTABLE Upcalls;
- LPWPUCOMPLETEOVERLAPPEDREQUEST lpWPUCompleteOverlappedRequest;
- PSOCKET_INFORMATION SocketListHead = NULL;
- CRITICAL_SECTION SocketListLock;
- LIST_ENTRY SockHelpersListHead = { NULL, NULL };
- ULONG SockAsyncThreadRefCount;
- HANDLE SockAsyncHelperAfdHandle;
- HANDLE SockAsyncCompletionPort = NULL;
- BOOLEAN SockAsyncSelectCalled;
- /*
- * FUNCTION: Creates a new socket
- * ARGUMENTS:
- * af = Address family
- * type = Socket type
- * protocol = Protocol type
- * lpProtocolInfo = Pointer to protocol information
- * g = Reserved
- * dwFlags = Socket flags
- * lpErrno = Address of buffer for error information
- * RETURNS:
- * Created socket, or INVALID_SOCKET if it could not be created
- */
- SOCKET
- WSPAPI
- WSPSocket(int AddressFamily,
- int SocketType,
- int Protocol,
- LPWSAPROTOCOL_INFOW lpProtocolInfo,
- GROUP g,
- DWORD dwFlags,
- LPINT lpErrno)
- {
- OBJECT_ATTRIBUTES Object;
- IO_STATUS_BLOCK IOSB;
- USHORT SizeOfPacket;
- ULONG SizeOfEA;
- PAFD_CREATE_PACKET AfdPacket;
- HANDLE Sock;
- PSOCKET_INFORMATION Socket = NULL;
- PFILE_FULL_EA_INFORMATION EABuffer = NULL;
- PHELPER_DATA HelperData;
- PVOID HelperDLLContext;
- DWORD HelperEvents;
- UNICODE_STRING TransportName;
- UNICODE_STRING DevName;
- LARGE_INTEGER GroupData;
- INT Status;
- AFD_DbgPrint(MAX_TRACE, ("Creating Socket, getting TDI Name\n"));
- AFD_DbgPrint(MAX_TRACE, ("AddressFamily (%d) SocketType (%d) Protocol (%d).\n",
- AddressFamily, SocketType, Protocol));
- /* Get Helper Data and Transport */
- Status = SockGetTdiName (&AddressFamily,
- &SocketType,
- &Protocol,
- g,
- dwFlags,
- &TransportName,
- &HelperDLLContext,
- &HelperData,
- &HelperEvents);
- /* Check for error */
- if (Status != NO_ERROR)
- {
- AFD_DbgPrint(MID_TRACE,("SockGetTdiName: Status %x\n", Status));
- goto error;
- }
- /* AFD Device Name */
- RtlInitUnicodeString(&DevName, L"\\Device\\Afd\\Endpoint");
- /* Set Socket Data */
- Socket = HeapAlloc(GlobalHeap, 0, sizeof(*Socket));
- if (!Socket)
- return MsafdReturnWithErrno(STATUS_INSUFFICIENT_RESOURCES, lpErrno, 0, NULL);
- RtlZeroMemory(Socket, sizeof(*Socket));
- Socket->RefCount = 2;
- Socket->Handle = -1;
- Socket->SharedData.Listening = FALSE;
- Socket->SharedData.State = SocketOpen;
- Socket->SharedData.AddressFamily = AddressFamily;
- Socket->SharedData.SocketType = SocketType;
- Socket->SharedData.Protocol = Protocol;
- Socket->HelperContext = HelperDLLContext;
- Socket->HelperData = HelperData;
- Socket->HelperEvents = HelperEvents;
- Socket->LocalAddress = &Socket->WSLocalAddress;
- Socket->SharedData.SizeOfLocalAddress = HelperData->MaxWSAddressLength;
- Socket->RemoteAddress = &Socket->WSRemoteAddress;
- Socket->SharedData.SizeOfRemoteAddress = HelperData->MaxWSAddressLength;
- Socket->SharedData.UseDelayedAcceptance = HelperData->UseDelayedAcceptance;
- Socket->SharedData.CreateFlags = dwFlags;
- Socket->SharedData.CatalogEntryId = lpProtocolInfo->dwCatalogEntryId;
- Socket->SharedData.ServiceFlags1 = lpProtocolInfo->dwServiceFlags1;
- Socket->SharedData.ProviderFlags = lpProtocolInfo->dwProviderFlags;
- Socket->SharedData.GroupID = g;
- Socket->SharedData.GroupType = 0;
- Socket->SharedData.UseSAN = FALSE;
- Socket->SharedData.NonBlocking = FALSE; /* Sockets start blocking */
- Socket->SanData = NULL;
- /* Ask alex about this */
- if( Socket->SharedData.SocketType == SOCK_DGRAM ||
- Socket->SharedData.SocketType == SOCK_RAW )
- {
- AFD_DbgPrint(MID_TRACE,("Connectionless socket\n"));
- Socket->SharedData.ServiceFlags1 |= XP1_CONNECTIONLESS;
- }
- /* Packet Size */
- SizeOfPacket = TransportName.Length + sizeof(AFD_CREATE_PACKET) + sizeof(WCHAR);
- /* EA Size */
- SizeOfEA = SizeOfPacket + sizeof(FILE_FULL_EA_INFORMATION) + AFD_PACKET_COMMAND_LENGTH;
- /* Set up EA Buffer */
- EABuffer = HeapAlloc(GlobalHeap, 0, SizeOfEA);
- if (!EABuffer)
- return MsafdReturnWithErrno(STATUS_INSUFFICIENT_RESOURCES, lpErrno, 0, NULL);
- RtlZeroMemory(EABuffer, SizeOfEA);
- EABuffer->NextEntryOffset = 0;
- EABuffer->Flags = 0;
- EABuffer->EaNameLength = AFD_PACKET_COMMAND_LENGTH;
- RtlCopyMemory (EABuffer->EaName,
- AfdCommand,
- AFD_PACKET_COMMAND_LENGTH + 1);
- EABuffer->EaValueLength = SizeOfPacket;
- /* Set up AFD Packet */
- AfdPacket = (PAFD_CREATE_PACKET)(EABuffer->EaName + EABuffer->EaNameLength + 1);
- AfdPacket->SizeOfTransportName = TransportName.Length;
- RtlCopyMemory (AfdPacket->TransportName,
- TransportName.Buffer,
- TransportName.Length + sizeof(WCHAR));
- AfdPacket->GroupID = g;
- /* Set up Endpoint Flags */
- if ((Socket->SharedData.ServiceFlags1 & XP1_CONNECTIONLESS) != 0)
- {
- if ((SocketType != SOCK_DGRAM) && (SocketType != SOCK_RAW))
- {
- /* Only RAW or UDP can be Connectionless */
- goto error;
- }
- AfdPacket->EndpointFlags |= AFD_ENDPOINT_CONNECTIONLESS;
- }
- if ((Socket->SharedData.ServiceFlags1 & XP1_MESSAGE_ORIENTED) != 0)
- {
- if (SocketType == SOCK_STREAM)
- {
- if ((Socket->SharedData.ServiceFlags1 & XP1_PSEUDO_STREAM) == 0)
- {
- /* The Provider doesn't actually support Message Oriented Streams */
- goto error;
- }
- }
- AfdPacket->EndpointFlags |= AFD_ENDPOINT_MESSAGE_ORIENTED;
- }
- if (SocketType == SOCK_RAW) AfdPacket->EndpointFlags |= AFD_ENDPOINT_RAW;
- if (dwFlags & (WSA_FLAG_MULTIPOINT_C_ROOT |
- WSA_FLAG_MULTIPOINT_C_LEAF |
- WSA_FLAG_MULTIPOINT_D_ROOT |
- WSA_FLAG_MULTIPOINT_D_LEAF))
- {
- if ((Socket->SharedData.ServiceFlags1 & XP1_SUPPORT_MULTIPOINT) == 0)
- {
- /* The Provider doesn't actually support Multipoint */
- goto error;
- }
- AfdPacket->EndpointFlags |= AFD_ENDPOINT_MULTIPOINT;
- if (dwFlags & WSA_FLAG_MULTIPOINT_C_ROOT)
- {
- if (((Socket->SharedData.ServiceFlags1 & XP1_MULTIPOINT_CONTROL_PLANE) == 0)
- || ((dwFlags & WSA_FLAG_MULTIPOINT_C_LEAF) != 0))
- {
- /* The Provider doesn't support Control Planes, or you already gave a leaf */
- goto error;
- }
- AfdPacket->EndpointFlags |= AFD_ENDPOINT_C_ROOT;
- }
- if (dwFlags & WSA_FLAG_MULTIPOINT_D_ROOT)
- {
- if (((Socket->SharedData.ServiceFlags1 & XP1_MULTIPOINT_DATA_PLANE) == 0)
- || ((dwFlags & WSA_FLAG_MULTIPOINT_D_LEAF) != 0))
- {
- /* The Provider doesn't support Data Planes, or you already gave a leaf */
- goto error;
- }
- AfdPacket->EndpointFlags |= AFD_ENDPOINT_D_ROOT;
- }
- }
- /* Set up Object Attributes */
- InitializeObjectAttributes (&Object,
- &DevName,
- OBJ_CASE_INSENSITIVE | OBJ_INHERIT,
- 0,
- 0);
- /* Create the Socket as asynchronous. That means we have to block
- ourselves after every call to NtDeviceIoControlFile. This is
- because the kernel doesn't support overlapping synchronous I/O
- requests (made from multiple threads) at this time (Sep 2005) */
- Status = NtCreateFile(&Sock,
- GENERIC_READ | GENERIC_WRITE | SYNCHRONIZE,
- &Object,
- &IOSB,
- NULL,
- 0,
- FILE_SHARE_READ | FILE_SHARE_WRITE,
- FILE_OPEN_IF,
- 0,
- EABuffer,
- SizeOfEA);
- HeapFree(GlobalHeap, 0, EABuffer);
- if (Status != STATUS_SUCCESS)
- {
- AFD_DbgPrint(MIN_TRACE, ("Failed to open socket\n"));
- HeapFree(GlobalHeap, 0, Socket);
- return MsafdReturnWithErrno(Status, lpErrno, 0, NULL);
- }
- /* Save Handle */
- Socket->Handle = (SOCKET)Sock;
- /* Save Group Info */
- if (g != 0)
- {
- GetSocketInformation(Socket, AFD_INFO_GROUP_ID_TYPE, NULL, NULL, &GroupData);
- Socket->SharedData.GroupID = GroupData.u.LowPart;
- Socket->SharedData.GroupType = GroupData.u.HighPart;
- }
- /* Get Window Sizes and Save them */
- GetSocketInformation (Socket,
- AFD_INFO_SEND_WINDOW_SIZE,
- NULL,
- &Socket->SharedData.SizeOfSendBuffer,
- NULL);
- GetSocketInformation (Socket,
- AFD_INFO_RECEIVE_WINDOW_SIZE,
- NULL,
- &Socket->SharedData.SizeOfRecvBuffer,
- NULL);
- /* Save in Process Sockets List */
- EnterCriticalSection(&SocketListLock);
- Socket->NextSocket = SocketListHead;
- SocketListHead = Socket;
- LeaveCriticalSection(&SocketListLock);
- /* Create the Socket Context */
- CreateContext(Socket);
- /* Notify Winsock */
- Upcalls.lpWPUModifyIFSHandle(1, (SOCKET)Sock, lpErrno);
- /* Return Socket Handle */
- AFD_DbgPrint(MID_TRACE,("Success %x\n", Sock));
- return (SOCKET)Sock;
- error:
- AFD_DbgPrint(MID_TRACE,("Ending %x\n", Status));
- if( Socket )
- HeapFree(GlobalHeap, 0, Socket);
- if( lpErrno )
- *lpErrno = Status;
- return INVALID_SOCKET;
- }
- INT
- TranslateNtStatusError(NTSTATUS Status)
- {
- switch (Status)
- {
- case STATUS_CANT_WAIT:
- return WSAEWOULDBLOCK;
- case STATUS_TIMEOUT:
- return WSAETIMEDOUT;
- case STATUS_SUCCESS:
- return NO_ERROR;
- case STATUS_FILE_CLOSED:
- case STATUS_END_OF_FILE:
- return WSAESHUTDOWN;
- case STATUS_PENDING:
- return WSA_IO_PENDING;
- case STATUS_BUFFER_TOO_SMALL:
- case STATUS_BUFFER_OVERFLOW:
- DbgPrint("MSAFD: STATUS_BUFFER_TOO_SMALL/STATUS_BUFFER_OVERFLOW\n");
- return WSAEMSGSIZE;
- case STATUS_NO_MEMORY:
- case STATUS_INSUFFICIENT_RESOURCES:
- DbgPrint("MSAFD: STATUS_NO_MEMORY/STATUS_INSUFFICIENT_RESOURCES\n");
- return WSAENOBUFS;
- case STATUS_INVALID_CONNECTION:
- DbgPrint("MSAFD: STATUS_INVALID_CONNECTION\n");
- return WSAEAFNOSUPPORT;
- case STATUS_INVALID_ADDRESS:
- DbgPrint("MSAFD: STATUS_INVALID_ADDRESS\n");
- return WSAEADDRNOTAVAIL;
- case STATUS_REMOTE_NOT_LISTENING:
- DbgPrint("MSAFD: STATUS_REMOTE_NOT_LISTENING\n");
- return WSAECONNREFUSED;
- case STATUS_NETWORK_UNREACHABLE:
- DbgPrint("MSAFD: STATUS_NETWORK_UNREACHABLE\n");
- return WSAENETUNREACH;
- case STATUS_INVALID_PARAMETER:
- DbgPrint("MSAFD: STATUS_INVALID_PARAMETER\n");
- return WSAEINVAL;
- case STATUS_CANCELLED:
- DbgPrint("MSAFD: STATUS_CANCELLED\n");
- return WSA_OPERATION_ABORTED;
- case STATUS_ADDRESS_ALREADY_EXISTS:
- DbgPrint("MSAFD: STATUS_ADDRESS_ALREADY_EXISTS\n");
- return WSAEADDRINUSE;
- case STATUS_LOCAL_DISCONNECT:
- DbgPrint("MSAFD: STATUS_LOCAL_DISCONNECT\n");
- return WSAECONNABORTED;
- case STATUS_REMOTE_DISCONNECT:
- DbgPrint("MSAFD: STATUS_REMOTE_DISCONNECT\n");
- return WSAECONNRESET;
- default:
- DbgPrint("MSAFD: Unhandled NTSTATUS value: 0x%x\n", Status);
- return WSAENETDOWN;
- }
- }
- /*
- * FUNCTION: Closes an open socket
- * ARGUMENTS:
- * s = Socket descriptor
- * lpErrno = Address of buffer for error information
- * RETURNS:
- * NO_ERROR, or SOCKET_ERROR if the socket could not be closed
- */
- INT
- WSPAPI
- WSPCloseSocket(IN SOCKET Handle,
- OUT LPINT lpErrno)
- {
- IO_STATUS_BLOCK IoStatusBlock;
- PSOCKET_INFORMATION Socket = NULL, CurrentSocket;
- NTSTATUS Status;
- HANDLE SockEvent;
- AFD_DISCONNECT_INFO DisconnectInfo;
- SOCKET_STATE OldState;
- LONG LingerWait = -1;
- /* Create the Wait Event */
- Status = NtCreateEvent(&SockEvent,
- GENERIC_READ | GENERIC_WRITE,
- NULL,
- 1,
- FALSE);
- if(!NT_SUCCESS(Status))
- return SOCKET_ERROR;
- /* Get the Socket Structure associate to this Socket*/
- Socket = GetSocketStructure(Handle);
- if (!Socket)
- {
- NtClose(SockEvent);
- *lpErrno = WSAENOTSOCK;
- return SOCKET_ERROR;
- }
- if (Socket->HelperEvents & WSH_NOTIFY_CLOSE)
- {
- Status = Socket->HelperData->WSHNotify(Socket->HelperContext,
- Socket->Handle,
- Socket->TdiAddressHandle,
- Socket->TdiConnectionHandle,
- WSH_NOTIFY_CLOSE);
- if (Status)
- {
- if (lpErrno) *lpErrno = Status;
- NtClose(SockEvent);
- return SOCKET_ERROR;
- }
- }
- /* If a Close is already in Process, give up */
- if (Socket->SharedData.State == SocketClosed)
- {
- NtClose(SockEvent);
- *lpErrno = WSAENOTSOCK;
- return SOCKET_ERROR;
- }
- /* Set the state to close */
- OldState = Socket->SharedData.State;
- Socket->SharedData.State = SocketClosed;
- /* If SO_LINGER is ON and the Socket is connected, we need to disconnect */
- /* FIXME: Should we do this on Datagram Sockets too? */
- if ((OldState == SocketConnected) && (Socket->SharedData.LingerData.l_onoff))
- {
- ULONG SendsInProgress;
- ULONG SleepWait;
- /* We need to respect the timeout */
- SleepWait = 100;
- LingerWait = Socket->SharedData.LingerData.l_linger * 1000;
- /* Loop until no more sends are pending, within the timeout */
- while (LingerWait)
- {
- /* Find out how many Sends are in Progress */
- if (GetSocketInformation(Socket,
- AFD_INFO_SENDS_IN_PROGRESS,
- NULL,
- &SendsInProgress,
- NULL))
- {
- /* Bail out if anything but NO_ERROR */
- LingerWait = 0;
- break;
- }
- /* Bail out if no more sends are pending */
- if (!SendsInProgress)
- {
- LingerWait = -1;
- break;
- }
- /*
- * We have to execute a sleep, so it's kind of like
- * a block. If the socket is Nonblock, we cannot
- * go on since asyncronous operation is expected
- * and we cannot offer it
- */
- if (Socket->SharedData.NonBlocking)
- {
- NtClose(SockEvent);
- Socket->SharedData.State = OldState;
- *lpErrno = WSAEWOULDBLOCK;
- return SOCKET_ERROR;
- }
- /* Now we can sleep, and decrement the linger wait */
- /*
- * FIXME: It seems Windows does some funky acceleration
- * since the waiting seems to be longer and longer. I
- * don't think this improves performance so much, so we
- * wait a fixed time instead.
- */
- Sleep(SleepWait);
- LingerWait -= SleepWait;
- }
- }
- if (OldState == SocketConnected)
- {
- if (LingerWait <= 0)
- {
- DisconnectInfo.Timeout = RtlConvertLongToLargeInteger(0);
- DisconnectInfo.DisconnectType = LingerWait < 0 ? AFD_DISCONNECT_SEND : AFD_DISCONNECT_ABORT;
- if (((DisconnectInfo.DisconnectType & AFD_DISCONNECT_SEND) && (!Socket->SharedData.SendShutdown)) ||
- ((DisconnectInfo.DisconnectType & AFD_DISCONNECT_ABORT) && (!Socket->SharedData.ReceiveShutdown)))
- {
- /* Send IOCTL */
- Status = NtDeviceIoControlFile((HANDLE)Handle,
- SockEvent,
- NULL,
- NULL,
- &IoStatusBlock,
- IOCTL_AFD_DISCONNECT,
- &DisconnectInfo,
- sizeof(DisconnectInfo),
- NULL,
- 0);
- /* Wait for return */
- if (Status == STATUS_PENDING)
- {
- WaitForSingleObject(SockEvent, INFINITE);
- Status = IoStatusBlock.Status;
- }
- }
- }
- }
- /* Cleanup Time! */
- Socket->HelperContext = NULL;
- Socket->SharedData.AsyncDisabledEvents = -1;
- NtClose(Socket->TdiAddressHandle);
- Socket->TdiAddressHandle = NULL;
- NtClose(Socket->TdiConnectionHandle);
- Socket->TdiConnectionHandle = NULL;
- EnterCriticalSection(&SocketListLock);
- if (SocketListHead == Socket)
- {
- SocketListHead = SocketListHead->NextSocket;
- }
- else
- {
- CurrentSocket = SocketListHead;
- while (CurrentSocket->NextSocket)
- {
- if (CurrentSocket->NextSocket == Socket)
- {
- CurrentSocket->NextSocket = CurrentSocket->NextSocket->NextSocket;
- break;
- }
- CurrentSocket = CurrentSocket->NextSocket;
- }
- }
- LeaveCriticalSection(&SocketListLock);
- /* Close the handle */
- NtClose((HANDLE)Handle);
- NtClose(SockEvent);
- HeapFree(GlobalHeap, 0, Socket);
- return MsafdReturnWithErrno(Status, lpErrno, 0, NULL);
- }
- /*
- * FUNCTION: Associates a local address with a socket
- * ARGUMENTS:
- * s = Socket descriptor
- * name = Pointer to local address
- * namelen = Length of name
- * lpErrno = Address of buffer for error information
- * RETURNS:
- * 0, or SOCKET_ERROR if the socket could not be bound
- */
- INT
- WSPAPI
- WSPBind(SOCKET Handle,
- const struct sockaddr *SocketAddress,
- int SocketAddressLength,
- LPINT lpErrno)
- {
- IO_STATUS_BLOCK IOSB;
- PAFD_BIND_DATA BindData;
- PSOCKET_INFORMATION Socket = NULL;
- NTSTATUS Status;
- SOCKADDR_INFO SocketInfo;
- HANDLE SockEvent;
- /* See below */
- BindData = HeapAlloc(GlobalHeap, 0, 0xA + SocketAddressLength);
- if (!BindData)
- {
- return MsafdReturnWithErrno(STATUS_INSUFFICIENT_RESOURCES, lpErrno, 0, NULL);
- }
- Status = NtCreateEvent(&SockEvent,
- GENERIC_READ | GENERIC_WRITE,
- NULL,
- 1,
- FALSE);
- if (!NT_SUCCESS(Status))
- {
- HeapFree(GlobalHeap, 0, BindData);
- return SOCKET_ERROR;
- }
- /* Get the Socket Structure associate to this Socket*/
- Socket = GetSocketStructure(Handle);
- if (!Socket)
- {
- HeapFree(GlobalHeap, 0, BindData);
- *lpErrno = WSAENOTSOCK;
- return SOCKET_ERROR;
- }
- /* Set up Address in TDI Format */
- BindData->Address.TAAddressCount = 1;
- BindData->Address.Address[0].AddressLength = SocketAddressLength - sizeof(SocketAddress->sa_family);
- BindData->Address.Address[0].AddressType = SocketAddress->sa_family;
- RtlCopyMemory (BindData->Address.Address[0].Address,
- SocketAddress->sa_data,
- SocketAddressLength - sizeof(SocketAddress->sa_family));
- /* Get Address Information */
- Socket->HelperData->WSHGetSockaddrType ((PSOCKADDR)SocketAddress,
- SocketAddressLength,
- &SocketInfo);
- /* Set the Share Type */
- if (Socket->SharedData.ExclusiveAddressUse)
- {
- BindData->ShareType = AFD_SHARE_EXCLUSIVE;
- }
- else if (SocketInfo.EndpointInfo == SockaddrEndpointInfoWildcard)
- {
- BindData->ShareType = AFD_SHARE_WILDCARD;
- }
- else if (Socket->SharedData.ReuseAddresses)
- {
- BindData->ShareType = AFD_SHARE_REUSE;
- }
- else
- {
- BindData->ShareType = AFD_SHARE_UNIQUE;
- }
- /* Send IOCTL */
- Status = NtDeviceIoControlFile((HANDLE)Socket->Handle,
- SockEvent,
- NULL,
- NULL,
- &IOSB,
- IOCTL_AFD_BIND,
- BindData,
- 0xA + Socket->SharedData.SizeOfLocalAddress, /* Can't figure out a way to calculate this in C*/
- BindData,
- 0xA + Socket->SharedData.SizeOfLocalAddress); /* Can't figure out a way to calculate this C */
- /* Wait for return */
- if (Status == STATUS_PENDING)
- {
- WaitForSingleObject(SockEvent, INFINITE);
- Status = IOSB.Status;
- }
- NtClose( SockEvent );
- HeapFree(GlobalHeap, 0, BindData);
- if (Status != STATUS_SUCCESS)
- return MsafdReturnWithErrno ( Status, lpErrno, 0, NULL );
- /* Set up Socket Data */
- Socket->SharedData.State = SocketBound;
- Socket->TdiAddressHandle = (HANDLE)IOSB.Information;
- if (Socket->HelperEvents & WSH_NOTIFY_BIND)
- {
- Status = Socket->HelperData->WSHNotify(Socket->HelperContext,
- Socket->Handle,
- Socket->TdiAddressHandle,
- Socket->TdiConnectionHandle,
- WSH_NOTIFY_BIND);
- if (Status)
- {
- if (lpErrno) *lpErrno = Status;
- return SOCKET_ERROR;
- }
- }
- return MsafdReturnWithErrno ( Status, lpErrno, 0, NULL );
- }
- int
- WSPAPI
- WSPListen(SOCKET Handle,
- int Backlog,
- LPINT lpErrno)
- {
- IO_STATUS_BLOCK IOSB;
- AFD_LISTEN_DATA ListenData;
- PSOCKET_INFORMATION Socket = NULL;
- HANDLE SockEvent;
- NTSTATUS Status;
- /* Get the Socket Structure associate to this Socket*/
- Socket = GetSocketStructure(Handle);
- if (!Socket)
- {
- *lpErrno = WSAENOTSOCK;
- return SOCKET_ERROR;
- }
- if (Socket->SharedData.Listening)
- return 0;
- Status = NtCreateEvent(&SockEvent,
- GENERIC_READ | GENERIC_WRITE,
- NULL,
- 1,
- FALSE);
- if( !NT_SUCCESS(Status) )
- return -1;
- /* Set Up Listen Structure */
- ListenData.UseSAN = FALSE;
- ListenData.UseDelayedAcceptance = Socket->SharedData.UseDelayedAcceptance;
- ListenData.Backlog = Backlog;
- /* Send IOCTL */
- Status = NtDeviceIoControlFile((HANDLE)Socket->Handle,
- SockEvent,
- NULL,
- NULL,
- &IOSB,
- IOCTL_AFD_START_LISTEN,
- &ListenData,
- sizeof(ListenData),
- NULL,
- 0);
- /* Wait for return */
- if (Status == STATUS_PENDING)
- {
- WaitForSingleObject(SockEvent, INFINITE);
- Status = IOSB.Status;
- }
- NtClose( SockEvent );
- if (Status != STATUS_SUCCESS)
- return MsafdReturnWithErrno ( Status, lpErrno, 0, NULL );
- /* Set to Listening */
- Socket->SharedData.Listening = TRUE;
- if (Socket->HelperEvents & WSH_NOTIFY_LISTEN)
- {
- Status = Socket->HelperData->WSHNotify(Socket->HelperContext,
- Socket->Handle,
- Socket->TdiAddressHandle,
- Socket->TdiConnectionHandle,
- WSH_NOTIFY_LISTEN);
- if (Status)
- {
- if (lpErrno) *lpErrno = Status;
- return SOCKET_ERROR;
- }
- }
- return MsafdReturnWithErrno ( Status, lpErrno, 0, NULL );
- }
- int
- WSPAPI
- WSPSelect(IN int nfds,
- IN OUT fd_set *readfds OPTIONAL,
- IN OUT fd_set *writefds OPTIONAL,
- IN OUT fd_set *exceptfds OPTIONAL,
- IN const struct timeval *timeout OPTIONAL,
- OUT LPINT lpErrno)
- {
- IO_STATUS_BLOCK IOSB;
- PAFD_POLL_INFO PollInfo;
- NTSTATUS Status;
- ULONG HandleCount;
- LONG OutCount = 0;
- ULONG PollBufferSize;
- PVOID PollBuffer;
- ULONG i, j = 0, x;
- HANDLE SockEvent;
- BOOL HandleCounted;
- LARGE_INTEGER Timeout;
- /* Find out how many sockets we have, and how large the buffer needs
- * to be */
- HandleCount = ( readfds ? readfds->fd_count : 0 ) +
- ( writefds ? writefds->fd_count : 0 ) +
- ( exceptfds ? exceptfds->fd_count : 0 );
- if ( HandleCount == 0 )
- {
- AFD_DbgPrint(MAX_TRACE,("HandleCount: %u. Return SOCKET_ERROR\n",
- HandleCount));
- if (lpErrno) *lpErrno = WSAEINVAL;
- return SOCKET_ERROR;
- }
- PollBufferSize = sizeof(*PollInfo) + ((HandleCount - 1) * sizeof(AFD_HANDLE));
- AFD_DbgPrint(MID_TRACE,("HandleCount: %u BufferSize: %u\n",
- HandleCount, PollBufferSize));
- /* Convert Timeout to NT Format */
- if (timeout == NULL)
- {
- Timeout.u.LowPart = -1;
- Timeout.u.HighPart = 0x7FFFFFFF;
- AFD_DbgPrint(MAX_TRACE,("Infinite timeout\n"));
- }
- else
- {
- Timeout = RtlEnlargedIntegerMultiply
- ((timeout->tv_sec * 1000) + (timeout->tv_usec / 1000), -10000);
- /* Negative timeouts are illegal. Since the kernel represents an
- * incremental timeout as a negative number, we check for a positive
- * result.
- */
- if (Timeout.QuadPart > 0)
- {
- if (lpErrno) *lpErrno = WSAEINVAL;
- return SOCKET_ERROR;
- }
- AFD_DbgPrint(MAX_TRACE,("Timeout: Orig %d.%06d kernel %d\n",
- timeout->tv_sec, timeout->tv_usec,
- Timeout.u.LowPart));
- }
- Status = NtCreateEvent(&SockEvent,
- GENERIC_READ | GENERIC_WRITE,
- NULL,
- 1,
- FALSE);
- if( !NT_SUCCESS(Status) )
- return SOCKET_ERROR;
- /* Allocate */
- PollBuffer = HeapAlloc(GlobalHeap, 0, PollBufferSize);
- if (!PollBuffer)
- {
- if (lpErrno)
- *lpErrno = WSAEFAULT;
- NtClose(SockEvent);
- return SOCKET_ERROR;
- }
- PollInfo = (PAFD_POLL_INFO)PollBuffer;
- RtlZeroMemory( PollInfo, PollBufferSize );
- /* Number of handles for AFD to Check */
- PollInfo->Exclusive = FALSE;
- PollInfo->Timeout = Timeout;
- if (readfds != NULL) {
- for (i = 0; i < readfds->fd_count; i++, j++)
- {
- PollInfo->Handles[j].Handle = readfds->fd_array[i];
- PollInfo->Handles[j].Events = AFD_EVENT_RECEIVE |
- AFD_EVENT_DISCONNECT |
- AFD_EVENT_ABORT |
- AFD_EVENT_CLOSE |
- AFD_EVENT_ACCEPT;
- }
- }
- if (writefds != NULL)
- {
- for (i = 0; i < writefds->fd_count; i++, j++)
- {
- PollInfo->Handles[j].Handle = writefds->fd_array[i];
- PollInfo->Handles[j].Events = AFD_EVENT_SEND | AFD_EVENT_CONNECT;
- }
- }
- if (exceptfds != NULL)
- {
- for (i = 0; i < exceptfds->fd_count; i++, j++)
- {
- PollInfo->Handles[j].Handle = exceptfds->fd_array[i];
- PollInfo->Handles[j].Events = AFD_EVENT_OOB_RECEIVE | AFD_EVENT_CONNECT_FAIL;
- }
- }
- PollInfo->HandleCount = j;
- PollBufferSize = FIELD_OFFSET(AFD_POLL_INFO, Handles) + PollInfo->HandleCount * sizeof(AFD_HANDLE);
- /* Send IOCTL */
- Status = NtDeviceIoControlFile((HANDLE)PollInfo->Handles[0].Handle,
- SockEvent,
- NULL,
- NULL,
- &IOSB,
- IOCTL_AFD_SELECT,
- PollInfo,
- PollBufferSize,
- PollInfo,
- PollBufferSize);
- AFD_DbgPrint(MID_TRACE,("DeviceIoControlFile => %x\n", Status));
- /* Wait for Completition */
- if (Status == STATUS_PENDING)
- {
- WaitForSingleObject(SockEvent, INFINITE);
- Status = IOSB.Status;
- }
- /* Clear the Structures */
- if( readfds )
- FD_ZERO(readfds);
- if( writefds )
- FD_ZERO(writefds);
- if( exceptfds )
- FD_ZERO(exceptfds);
- /* Loop through return structure */
- HandleCount = PollInfo->HandleCount;
- /* Return in FDSET Format */
- for (i = 0; i < HandleCount; i++)
- {
- HandleCounted = FALSE;
- for(x = 1; x; x<<=1)
- {
- switch (PollInfo->Handles[i].Events & x)
- {
- case AFD_EVENT_RECEIVE:
- case AFD_EVENT_DISCONNECT:
- case AFD_EVENT_ABORT:
- case AFD_EVENT_ACCEPT:
- case AFD_EVENT_CLOSE:
- AFD_DbgPrint(MID_TRACE,("Event %x on handle %x\n",
- PollInfo->Handles[i].Events,
- PollInfo->Handles[i].Handle));
- if (! HandleCounted)
- {
- OutCount++;
- HandleCounted = TRUE;
- }
- if( readfds )
- FD_SET(PollInfo->Handles[i].Handle, readfds);
- break;
- case AFD_EVENT_SEND:
- case AFD_EVENT_CONNECT:
- AFD_DbgPrint(MID_TRACE,("Event %x on handle %x\n",
- PollInfo->Handles[i].Events,
- PollInfo->Handles[i].Handle));
- if (! HandleCounted)
- {
- OutCount++;
- HandleCounted = TRUE;
- }
- if( writefds )
- FD_SET(PollInfo->Handles[i].Handle, writefds);
- break;
- case AFD_EVENT_OOB_RECEIVE:
- case AFD_EVENT_CONNECT_FAIL:
- AFD_DbgPrint(MID_TRACE,("Event %x on handle %x\n",
- PollInfo->Handles[i].Events,
- PollInfo->Handles[i].Handle));
- if (! HandleCounted)
- {
- OutCount++;
- HandleCounted = TRUE;
- }
- if( exceptfds )
- FD_SET(PollInfo->Handles[i].Handle, exceptfds);
- break;
- }
- }
- }
- HeapFree( GlobalHeap, 0, PollBuffer );
- NtClose( SockEvent );
- if( lpErrno )
- {
- switch( IOSB.Status )
- {
- case STATUS_SUCCESS:
- case STATUS_TIMEOUT:
- *lpErrno = 0;
- break;
- default:
- *lpErrno = WSAEINVAL;
- break;
- }
- AFD_DbgPrint(MID_TRACE,("*lpErrno = %x\n", *lpErrno));
- }
- AFD_DbgPrint(MID_TRACE,("%d events\n", OutCount));
- return OutCount;
- }
- SOCKET
- WSPAPI
- WSPAccept(SOCKET Handle,
- struct sockaddr *SocketAddress,
- int *SocketAddressLength,
- LPCONDITIONPROC lpfnCondition,
- DWORD dwCallbackData,
- LPINT lpErrno)
- {
- IO_STATUS_BLOCK IOSB;
- PAFD_RECEIVED_ACCEPT_DATA ListenReceiveData;
- AFD_ACCEPT_DATA AcceptData;
- AFD_DEFER_ACCEPT_DATA DeferData;
- AFD_PENDING_ACCEPT_DATA PendingAcceptData;
- PSOCKET_INFORMATION Socket = NULL;
- NTSTATUS Status;
- struct fd_set ReadSet;
- struct timeval Timeout;
- PVOID PendingData = NULL;
- ULONG PendingDataLength = 0;
- PVOID CalleeDataBuffer;
- WSABUF CallerData, CalleeID, CallerID, CalleeData;
- PSOCKADDR RemoteAddress = NULL;
- GROUP GroupID = 0;
- ULONG CallBack;
- WSAPROTOCOL_INFOW ProtocolInfo;
- SOCKET AcceptSocket;
- PSOCKET_INFORMATION AcceptSocketInfo;
- UCHAR ReceiveBuffer[0x1A];
- HANDLE SockEvent;
- Status = NtCreateEvent(&SockEvent,
- GENERIC_READ | GENERIC_WRITE,
- NULL,
- 1,
- FALSE);
- if( !NT_SUCCESS(Status) )
- {
- MsafdReturnWithErrno( Status, lpErrno, 0, NULL );
- return INVALID_SOCKET;
- }
- /* Dynamic Structure...ugh */
- ListenReceiveData = (PAFD_RECEIVED_ACCEPT_DATA)ReceiveBuffer;
- /* Get the Socket Structure associate to this Socket*/
- Socket = GetSocketStructure(Handle);
- if (!Socket)
- {
- NtClose(SockEvent);
- *lpErrno = WSAENOTSOCK;
- return INVALID_SOCKET;
- }
- /* If this is non-blocking, make sure there's something for us to accept */
- FD_ZERO(&ReadSet);
- FD_SET(Socket->Handle, &ReadSet);
- Timeout.tv_sec=0;
- Timeout.tv_usec=0;
- if (WSPSelect(0, &ReadSet, NULL, NULL, &Timeout, lpErrno) == SOCKET_ERROR)
- {
- NtClose(SockEvent);
- return INVALID_SOCKET;
- }
- if (ReadSet.fd_array[0] != Socket->Handle)
- {
- NtClose(SockEvent);
- *lpErrno = WSAEWOULDBLOCK;
- return INVALID_SOCKET;
- }
- /* Send IOCTL */
- Status = NtDeviceIoControlFile((HANDLE)Socket->Handle,
- SockEvent,
- NULL,
- NULL,
- &IOSB,
- IOCTL_AFD_WAIT_FOR_LISTEN,
- NULL,
- 0,
- ListenReceiveData,
- 0xA + sizeof(*ListenReceiveData));
- /* Wait for return */
- if (Status == STATUS_PENDING)
- {
- WaitForSingleObject(SockEvent, INFINITE);
- Status = IOSB.Status;
- }
- if (!NT_SUCCESS(Status))
- {
- NtClose( SockEvent );
- MsafdReturnWithErrno( Status, lpErrno, 0, NULL );
- return INVALID_SOCKET;
- }
- if (lpfnCondition != NULL)
- {
- if ((Socket->SharedData.ServiceFlags1 & XP1_CONNECT_DATA) != 0)
- {
- /* Find out how much data is pending */
- PendingAcceptData.SequenceNumber = ListenReceiveData->SequenceNumber;
- PendingAcceptData.ReturnSize = TRUE;
- /* Send IOCTL */
- Status = NtDeviceIoControlFile((HANDLE)Socket->Handle,
- SockEvent,
- NULL,
- NULL,
- &IOSB,
- IOCTL_AFD_GET_PENDING_CONNECT_DATA,
- &PendingAcceptData,
- sizeof(PendingAcceptData),
- &PendingAcceptData,
- sizeof(PendingAcceptData));
- /* Wait for return */
- if (Status == STATUS_PENDING)
- {
- WaitForSingleObject(SockEvent, INFINITE);
- Status = IOSB.Status;
- }
- if (!NT_SUCCESS(Status))
- {
- NtClose( SockEvent );
- MsafdReturnWithErrno( Status, lpErrno, 0, NULL );
- return INVALID_SOCKET;
- }
- /* How much data to allocate */
- PendingDataLength = IOSB.Information;
- if (PendingDataLength)
- {
- /* Allocate needed space */
- PendingData = HeapAlloc(GlobalHeap, 0, PendingDataLength);
- if (!PendingData)
- {
- MsafdReturnWithErrno( STATUS_INSUFFICIENT_RESOURCES, lpErrno, 0, NULL );
- return INVALID_SOCKET;
- }
- /* We want the data now */
- PendingAcceptData.ReturnSize = FALSE;
- /* Send IOCTL */
- Status = NtDeviceIoControlFile((HANDLE)Socket->Handle,
- SockEvent,
- NULL,
- NULL,
- &IOSB,
- IOCTL_AFD_GET_PENDING_CONNECT_DATA,
- &PendingAcceptData,
- sizeof(PendingAcceptData),
- PendingData,
- PendingDataLength);
- /* Wait for return */
- if (Status == STATUS_PENDING)
- {
- WaitForSingleObject(SockEvent, INFINITE);
- Status = IOSB.Status;
- }
- if (!NT_SUCCESS(Status))
- {
- NtClose( SockEvent );
- MsafdReturnWithErrno( Status, lpErrno, 0, NULL );
- return INVALID_SOCKET;
- }
- }
- }
- if ((Socket->SharedData.ServiceFlags1 & XP1_QOS_SUPPORTED) != 0)
- {
- /* I don't support this yet */
- }
- /* Build Callee ID */
- CalleeID.buf = (PVOID)Socket->LocalAddress;
- CalleeID.len = Socket->SharedData.SizeOfLocalAddress;
- RemoteAddress = HeapAlloc(GlobalHeap, 0, sizeof(*RemoteAddress));
- if (!RemoteAddress)
- {
- MsafdReturnWithErrno(STATUS_INSUFFICIENT_RESOURCES, lpErrno, 0, NULL);
- return INVALID_SOCKET;
- }
- /* Set up Address in SOCKADDR Format */
- RtlCopyMemory (RemoteAddress,
- &ListenReceiveData->Address.Address[0].AddressType,
- sizeof(*RemoteAddress));
- /* Build Caller ID */
- CallerID.buf = (PVOID)RemoteAddress;
- CallerID.len = sizeof(*RemoteAddress);
- /* Build Caller Data */
- CallerData.buf = PendingData;
- CallerData.len = PendingDataLength;
- /* Check if socket supports Conditional Accept */
- if (Socket->SharedData.UseDelayedAcceptance != 0)
- {
- /* Allocate Buffer for Callee Data */
- CalleeDataBuffer = HeapAlloc(GlobalHeap, 0, 4096);
- if (!CalleeDataBuffer) {
- MsafdReturnWithErrno( STATUS_INSUFFICIENT_RESOURCES, lpErrno, 0, NULL );
- return INVALID_SOCKET;
- }
- CalleeData.buf = CalleeDataBuffer;
- CalleeData.len = 4096;
- }
- else
- {
- /* Nothing */
- CalleeData.buf = 0;
- CalleeData.len = 0;
- }
- /* Call the Condition Function */
- CallBack = (lpfnCondition)(&CallerID,
- CallerData.buf == NULL ? NULL : &CallerData,
- NULL,
- NULL,
- &CalleeID,
- CalleeData.buf == NULL ? NULL : &CalleeData,
- &GroupID,
- dwCallbackData);
- if (((CallBack == CF_ACCEPT) && GroupID) != 0)
- {
- /* TBD: Check for Validity */
- }
- if (CallBack == CF_ACCEPT)
- {
- if ((Socket->SharedData.ServiceFlags1 & XP1_QOS_SUPPORTED) != 0)
- {
- /* I don't support this yet */
- }
- if (CalleeData.buf)
- {
- // SockSetConnectData Sockets(SocketID), IOCTL_AFD_SET_CONNECT_DATA, CalleeData.Buffer, CalleeData.BuffSize, 0
- }
- }
- else
- {
- /* Callback rejected. Build Defer Structure */
- DeferData.SequenceNumber = ListenReceiveData->SequenceNumber;
- DeferData.RejectConnection = (CallBack == CF_REJECT);
- /* Send IOCTL */
- Status = NtDeviceIoControlFile((HANDLE)Socket->Handle,
- SockEvent,
- NULL,
- NULL,
- &IOSB,
- IOCTL_AFD_DEFER_ACCEPT,
- &DeferData,
- sizeof(DeferData),
- NULL,
- 0);
- /* Wait for return */
- if (Status == STATUS_PENDING)
- {
- WaitForSingleObject(SockEvent, INFINITE);
- Status = IOSB.Status;
- }
- NtClose( SockEvent );
- if (!NT_SUCCESS(Status))
- {
- MsafdReturnWithErrno( Status, lpErrno, 0, NULL );
- return INVALID_SOCKET;
- }
- if (CallBack == CF_REJECT )
- {
- *lpErrno = WSAECONNREFUSED;
- return INVALID_SOCKET;
- }
- else
- {
- *lpErrno = WSAECONNREFUSED;
- return INVALID_SOCKET;
- }
- }
- }
- /* Create a new Socket */
- ProtocolInfo.dwCatalogEntryId = Socket->SharedData.CatalogEntryId;
- ProtocolInfo.dwServiceFlags1 = Socket->SharedData.ServiceFlags1;
- ProtocolInfo.dwProviderFlags = Socket->SharedData.ProviderFlags;
- AcceptSocket = WSPSocket (Socket->SharedData.AddressFamily,
- Socket->SharedData.SocketType,
- Socket->SharedData.Protocol,
- &ProtocolInfo,
- GroupID,
- Socket->SharedData.CreateFlags,
- lpErrno);
- if (AcceptSocket == INVALID_SOCKET)
- return INVALID_SOCKET;
- /* Set up the Accept Structure */
- AcceptData.ListenHandle = (HANDLE)AcceptSocket;
- AcceptData.SequenceNumber = ListenReceiveData->SequenceNumber;
- /* Send IOCTL to Accept */
- Status = NtDeviceIoControlFile((HANDLE)Socket->Handle,
- SockEvent,
- NULL,
- NULL,
- &IOSB,
- IOCTL_AFD_ACCEPT,
- &AcceptData,
- sizeof(AcceptData),
- NULL,
- 0);
- /* Wait for return */
- if (Status == STATUS_PENDING)
- {
- WaitForSingleObject(SockEvent, INFINITE);
- Status = IOSB.Status;
- }
- if (!NT_SUCCESS(Status))
- {
- NtClose(SockEvent);
- WSPCloseSocket( AcceptSocket, lpErrno );
- MsafdReturnWithErrno( Status, lpErrno, 0, NULL );
- return INVALID_SOCKET;
- }
- AcceptSocketInfo = GetSocketStructure(AcceptSocket);
- if (!AcceptSocketInfo)
- {
- NtClose(SockEvent);
- WSPCloseSocket( AcceptSocket, lpErrno );
- MsafdReturnWithErrno( STATUS_INVALID_CONNECTION, lpErrno, 0, NULL );
- return INVALID_SOCKET;
- }
- AcceptSocketInfo->SharedData.State = SocketConnected;
- /* Return Address in SOCKADDR FORMAT */
- if( SocketAddress )
- {
- RtlCopyMemory (SocketAddress,
- &ListenReceiveData->Address.Address[0].AddressType,
- sizeof(*RemoteAddress));
- if( SocketAddressLength )
- *SocketAddressLength = ListenReceiveData->Address.Address[0].AddressLength;
- }
- NtClose( SockEvent );
- /* Re-enable Async Event */
- SockReenableAsyncSelectEvent(Socket, FD_ACCEPT);
- AFD_DbgPrint(MID_TRACE,("Socket %x\n", AcceptSocket));
- if (Status == STATUS_SUCCESS && (Socket->HelperEvents & WSH_NOTIFY_ACCEPT))
- {
- Status = Socket->HelperData->WSHNotify(Socket->HelperContext,
- Socket->Handle,
- Socket->TdiAddressHandle,
- Socket->TdiConnectionHandle,
- WSH_NOTIFY_ACCEPT);
- if (Status)
- {
- if (lpErrno) *lpErrno = Status;
- return INVALID_SOCKET;
- }
- }
- *lpErrno = 0;
- /* Return Socket */
- return AcceptSocket;
- }
- int
- WSPAPI
- WSPConnect(SOCKET Handle,
- const struct sockaddr * SocketAddress,
- int SocketAddressLength,
- LPWSABUF lpCallerData,
- LPWSABUF lpCalleeData,
- LPQOS lpSQOS,
- LPQOS lpGQOS,
- LPINT lpErrno)
- {
- IO_STATUS_BLOCK IOSB;
- PAFD_CONNECT_INFO ConnectInfo = NULL;
- PSOCKET_INFORMATION Socket;
- NTSTATUS Status;
- INT Errno;
- ULONG ConnectDataLength;
- ULONG InConnectDataLength;
- INT BindAddressLength;
- PSOCKADDR BindAddress;
- HANDLE SockEvent;
- int SocketDataLength;
- Status = NtCreateEvent(&SockEvent,
- GENERIC_READ | GENERIC_WRITE,
- NULL,
- 1,
- FALSE);
- if (!NT_SUCCESS(Status))
- return MsafdReturnWithErrno(Status, lpErrno, 0, NULL);
- AFD_DbgPrint(MID_TRACE,("Called\n"));
- /* Get the Socket Structure associate to this Socket*/
- Socket = GetSocketStructure(Handle);
- if (!Socket)
- {
- NtClose(SockEvent);
- if (lpErrno) *lpErrno = WSAENOTSOCK;
- return SOCKET_ERROR;
- }
- /* Bind us First */
- if (Socket->SharedData.State == SocketOpen)
- {
- /* Get the Wildcard Address */
- BindAddressLength = Socket->HelperData->MaxWSAddressLength;
- BindAddress = HeapAlloc(GetProcessHeap(), 0, BindAddressLength);
- if (!BindAddress)
- {
- NtClose(SockEvent);
- return MsafdReturnWithErrno(STATUS_INSUFFICIENT_RESOURCES, lpErrno, 0, NULL);
- }
- Socket->HelperData->WSHGetWildcardSockaddr (Socket->HelperContext,
- BindAddress,
- &BindAddressLength);
- /* Bind it */
- if (WSPBind(Handle, BindAddress, BindAddressLength, lpErrno) == SOCKET_ERROR)
- return SOCKET_ERROR;
- }
- /* Set the Connect Data */
- if (lpCallerData != NULL)
- {
- ConnectDataLength = lpCallerData->len;
- Status = NtDeviceIoControlFile((HANDLE)Handle,
- SockEvent,
- NULL,
- NULL,
- &IOSB,
- IOCTL_AFD_SET_CONNECT_DATA,
- lpCallerData->buf,
- ConnectDataLength,
- NULL,
- 0);
- /* Wait for return */
- if (Status == STATUS_PENDING)
- {
- WaitForSingleObject(SockEvent, INFINITE);
- Status = IOSB.Status;
- }
- if (Status != STATUS_SUCCESS)
- goto notify;
- }
- /* Calculate the size of SocketAddress->sa_data */
- SocketDataLength = SocketAddressLength - FIELD_OFFSET(struct sockaddr, sa_data);
- /* Allocate a connection info buffer with SocketDataLength bytes of payload */
- ConnectInfo = HeapAlloc(GetProcessHeap(), 0,
- FIELD_OFFSET(AFD_CONNECT_INFO,
- RemoteAddress.Address[0].Address[SocketDataLength]));
- if (!ConnectInfo)
- {
- Status = STATUS_INSUFFICIENT_RESOURCES;
- goto notify;
- }
- /* Set up Address in TDI Format */
- ConnectInfo->RemoteAddress.TAAddressCount = 1;
- ConnectInfo->RemoteAddress.Address[0].AddressLength = SocketDataLength;
- ConnectInfo->RemoteAddress.Address[0].AddressType = SocketAddress->sa_family;
- RtlCopyMemory(ConnectInfo->RemoteAddress.Address[0].Address,
- SocketAddress->sa_data,
- SocketDataLength);
- /*
- * Disable FD_WRITE and FD_CONNECT
- * The latter fixes a race condition where the FD_CONNECT is re-enabled
- * at the end of this function right after the Async Thread disables it.
- * This should only happen at the *next* WSPConnect
- */
- if (Socket->SharedData.AsyncEvents & FD_CONNECT)
- {
- Socket->SharedData.AsyncDisabledEvents |= FD_CONNECT | FD_WRITE;
- }
- /* Tell AFD that we want Connection Data back, have it allocate a buffer */
- if (lpCalleeData != NULL)
- {
- InConnectDataLength = lpCalleeData->len;
- Status = NtDeviceIoControlFile((HANDLE)Handle,
- SockEvent,
- NULL,
- NULL,
- &IOSB,
- IOCTL_AFD_SET_CONNECT_DATA_SIZE,
- &InConnectDataLength,
- sizeof(InConnectDataLength),
- NULL,
- 0);
- /* Wait for return */
- if (Status == STATUS_PENDING)
- {
- WaitForSingleObject(SockEvent, INFINITE);
- Status = IOSB.Status;
- }
- if (Status != STATUS_SUCCESS)
- goto notify;
- }
- /* AFD doesn't seem to care if these are invalid, but let's 0 them anyways */
- ConnectInfo->Root = 0;
- ConnectInfo->UseSAN = FALSE;
- ConnectInfo->Unknown = 0;
- /* FIXME: Handle Async Connect */
- if (Socket->SharedData.NonBlocking)
- {
- AFD_DbgPrint(MIN_TRACE, ("Async Connect UNIMPLEMENTED!\n"));
- }
- /* Send IOCTL */
- Status = NtDeviceIoControlFile((HANDLE)Handle,
- SockEvent,
- NULL,
- NULL,
- &IOSB,
- IOCTL_AFD_CONNECT,
- ConnectInfo,
- 0x22,
- NULL,
- 0);
- /* Wait for return */
- if (Status == STATUS_PENDING)
- {
- WaitForSingleObject(SockEvent, INFINITE);
- Status = IOSB.Status;
- }
- if (Status != STATUS_SUCCESS)
- goto notify;
- Socket->SharedData.State = SocketConnected;
- Socket->TdiConnectionHandle = (HANDLE)IOSB.Information;
- /* Get any pending connect data */
- if (lpCalleeData != NULL)
- {
- Status = NtDeviceIoControlFile((HANDLE)Handle,
- SockEvent,
- NULL,
- NULL,
- &IOSB,
- IOCTL_AFD_GET_CONNECT_DATA,
- NULL,
- 0,
- lpCalleeData->buf,
- lpCalleeData->len);
- /* Wait for return */
- if (Status == STATUS_PENDING)
- {
- WaitForSingleObject(SockEvent, INFINITE);
- Status = IOSB.Status;
- }
- }
- AFD_DbgPrint(MID_TRACE,("Ending\n"));
- notify:
- if (ConnectInfo) HeapFree(GetProcessHeap(), 0, ConnectInfo);
- /* Re-enable Async Event */
- SockReenableAsyncSelectEvent(Socket, FD_WRITE);
- /* FIXME: THIS IS NOT RIGHT!!! HACK HACK HACK! */
- SockReenableAsyncSelectEvent(Socket, FD_CONNECT);
- NtClose(SockEvent);
- if (Status == STATUS_SUCCESS && (Socket->HelperEvents & WSH_NOTIFY_CONNECT))
- {
- Errno = Socket->HelperData->WSHNotify(Socket->HelperContext,
- Socket->Handle,
- Socket->TdiAddressHandle,
- Socket->TdiConnectionHandle,
- WSH_NOTIFY_CONNECT);
- if (Errno)
- {
- if (lpErrno) *lpErrno = Errno;
- return SOCKET_ERROR;
- }
- }
- else if (Status != STATUS_SUCCESS && (Socket->HelperEvents & WSH_NOTIFY_CONNECT_ERROR))
- {
- Errno = Socket->HelperData->WSHNotify(Socket->HelperContext,
- Socket->Handle,
- Socket->TdiAddressHandle,
- Socket->TdiConnectionHandle,
- WSH_NOTIFY_CONNECT_ERROR);
- if (Errno)
- {
- if (lpErrno) *lpErrno = Errno;
- return SOCKET_ERROR;
- }
- }
- return MsafdReturnWithErrno(Status, lpErrno, 0, NULL);
- }
- int
- WSPAPI
- WSPShutdown(SOCKET Handle,
- int HowTo,
- LPINT lpErrno)
- {
- IO_STATUS_BLOCK IOSB;
- AFD_DISCONNECT_INFO DisconnectInfo;
- PSOCKET_INFORMATION Socket = NULL;
- NTSTATUS Status;
- HANDLE SockEvent;
- Status = NtCreateEvent(&SockEvent,
- GENERIC_READ | GENERIC_WRITE,
- NULL,
- 1,
- FALSE);
- if( !NT_SUCCESS(Status) )
- return -1;
- AFD_DbgPrint(MID_TRACE,("Called\n"));
- /* Get the Socket Structure associate to this Socket*/
- Socket = GetSocketStructure(Handle);
- if (!Socket)
- {
- NtClose(SockEvent);
- *lpErrno = WSAENOTSOCK;
- return SOCKET_ERROR;
- }
- /* Set AFD Disconnect Type */
- switch (HowTo)
- {
- case SD_RECEIVE:
- DisconnectInfo.DisconnectType = AFD_DISCONNECT_RECV;
- Socket->SharedData.ReceiveShutdown = TRUE;
- break;
- case SD_SEND:
- DisconnectInfo.DisconnectType= AFD_DISCONNECT_SEND;
- Socket->SharedData.SendShutdown = TRUE;
- break;
- case SD_BOTH:
- DisconnectInfo.DisconnectType = AFD_DISCONNECT_RECV | AFD_DISCONNECT_SEND;
- Socket->SharedData.ReceiveShutdown = TRUE;
- Socket->SharedData.SendShutdown = TRUE;
- break;
- }
- DisconnectInfo.Timeout = RtlConvertLongToLargeInteger(-1000000);
- /* Send IOCTL */
- Status = NtDeviceIoControlFile((HANDLE)Handle,
- SockEvent,
- NULL,
- NULL,
- &IOSB,
- IOCTL_AFD_DISCONNECT,
- &DisconnectInfo,
- sizeof(DisconnectInfo),
- NULL,
- 0);
- /* Wait for return */
- if (Status == STATUS_PENDING)
- {
- WaitForSingleObject(SockEvent, INFINITE);
- Status = IOSB.Status;
- }
- AFD_DbgPrint(MID_TRACE,("Ending\n"));
- NtClose( SockEvent );
- return MsafdReturnWithErrno( Status, lpErrno, 0, NULL );
- }
- INT
- WSPAPI
- WSPGetSockName(IN SOCKET Handle,
- OUT LPSOCKADDR Name,
- IN OUT LPINT NameLength,
- OUT LPINT lpErrno)
- {
- IO_STATUS_BLOCK IOSB;
- ULONG TdiAddressSize;
- PTDI_ADDRESS_INFO TdiAddress;
- PTRANSPORT_ADDRESS SocketAddress;
- PSOCKET_INFORMATION Socket = NULL;
- NTSTATUS Status;
- HANDLE SockEvent;
- Status = NtCreateEvent(&SockEvent,
- GENERIC_READ | GENERIC_WRITE,
- NULL,
- 1,
- FALSE);
- if( !NT_SUCCESS(Status) )
- return SOCKET_ERROR;
- /* Get the Socket Structure associate to this Socket*/
- Socket = GetSocketStructure(Handle);
- if (!Socket)
- {
- NtClose(SockEvent);
- *lpErrno = WSAENOTSOCK;
- return SOCKET_ERROR;
- }
- if (!Name || !NameLength)
- {
- NtClose(SockEvent);
- *lpErrno = WSAEFAULT;
- return SOCKET_ERROR;
- }
- /* Allocate a buffer for the address */
- TdiAddressSize =
- sizeof(TRANSPORT_ADDRESS) + Socket->SharedData.SizeOfLocalAddress;
- TdiAddress = HeapAlloc(GlobalHeap, 0, TdiAddressSize);
- if ( TdiAddress == NULL )
- {
- NtClose( SockEvent );
- *lpErrno = WSAENOBUFS;
- return SOCKET_ERROR;
- }
- SocketAddress = &TdiAddress->Address;
- /* Send IOCTL */
- Status = NtDeviceIoControlFile((HANDLE)Socket->Handle,
- SockEvent,
- NULL,
- NULL,
- &IOSB,
- IOCTL_AFD_GET_SOCK_NAME,
- NULL,
- 0,
- TdiAddress,
- TdiAddressSize);
- /* Wait for return */
- if (Status == STATUS_PENDING)
- {
- WaitForSingleObject(SockEvent, INFINITE);
- Status = IOSB.Status;
- }
- NtClose( SockEvent );
- if (NT_SUCCESS(Status))
- {
- if (*NameLength >= Socket->SharedData.SizeOfLocalAddress)
- {
- Name->sa_family = SocketAddress->Address[0].AddressType;
- RtlCopyMemory (Name->sa_data,
- SocketAddress->Address[0].Address,
- SocketAddress->Address[0].AddressLength);
- *NameLength = Socket->SharedData.SizeOfLocalAddress;
- AFD_DbgPrint (MID_TRACE, ("NameLength %d Address: %x Port %x\n",
- *NameLength, ((struct sockaddr_in *)Name)->sin_addr.s_addr,
- ((struct sockaddr_in *)Name)->sin_port));
- HeapFree(GlobalHeap, 0, TdiAddress);
- return 0;
- }
- else
- {
- HeapFree(GlobalHeap, 0, TdiAddress);
- *lpErrno = WSAEFAULT;
- return SOCKET_ERROR;
- }
- }
- return MsafdReturnWithErrno ( Status, lpErrno, 0, NULL );
- }
- INT
- WSPAPI
- WSPGetPeerName(IN SOCKET s,
- OUT LPSOCKADDR Name,
- IN OUT LPINT NameLength,
- OUT LPINT lpErrno)
- {
- IO_STATUS_BLOCK IOSB;
- ULONG TdiAddressSize;
- PTRANSPORT_ADDRESS SocketAddress;
- PSOCKET_INFORMATION Socket = NULL;
- NTSTATUS Status;
- HANDLE SockEvent;
- Status = NtCreateEvent(&SockEvent,
- GENERIC_READ | GENERIC_WRITE,
- NULL,
- 1,
- FALSE);
- if( !NT_SUCCESS(Status) )
- return SOCKET_ERROR;
- /* Get the Socket Structure associate to this Socket*/
- Socket = GetSocketStructure(s);
- if (!Socket)
- {
- NtClose(SockEvent);
- *lpErrno = WSAENOTSOCK;
- return SOCKET_ERROR;
- }
- if (Socket->SharedData.State != SocketConnected)
- {
- NtClose(SockEvent);
- *lpErrno = WSAENOTCONN;
- return SOCKET_ERROR;
- }
- if (!Name || !NameLength)
- {
- NtClose(SockEvent);
- *lpErrno = WSAEFAULT;
- return SOCKET_ERROR;
- }
- /* Allocate a buffer for the address */
- TdiAddressSize = sizeof(TRANSPORT_ADDRESS) + Socket->SharedData.SizeOfRemoteAddress;
- SocketAddress = HeapAlloc(GlobalHeap, 0, TdiAddressSize);
- if ( SocketAddress == NULL )
- {
- NtClose( SockEvent );
- *lpErrno = WSAENOBUFS;
- return SOCKET_ERROR;
- }
- /* Send IOCTL */
- Status = NtDeviceIoControlFile((HANDLE)Socket->Handle,
- SockEvent,
- NULL,
- NULL,
- &IOSB,
- IOCTL_AFD_GET_PEER_NAME,
- NULL,
- 0,
- SocketAddress,
- TdiAddressSize);
- /* Wait for return */
- if (Status == STATUS_PENDING)
- {
- WaitForSingleObject(SockEvent, INFINITE);
- Status = IOSB.Status;
- }
- NtClose( SockEvent );
- if (NT_SUCCESS(Status))
- {
- if (*NameLength >= Socket->SharedData.SizeOfRemoteAddress)
- {
- Name->sa_family = SocketAddress->Address[0].AddressType;
- RtlCopyMemory (Name->sa_data,
- SocketAddress->Address[0].Address,
- SocketAddress->Address[0].AddressLength);
- *NameLength = Socket->SharedData.SizeOfRemoteAddress;
- AFD_DbgPrint (MID_TRACE, ("NameLength %d Address: %s Port %x\n",
- *NameLength, ((struct sockaddr_in *)Name)->sin_addr.s_addr,
- ((struct sockaddr_in *)Name)->sin_port));
- HeapFree(GlobalHeap, 0, SocketAddress);
- return 0;
- }
- else
- {
- HeapFree(GlobalHeap, 0, SocketAddress);
- *lpErrno = WSAEFAULT;
- return SOCKET_ERROR;
- }
- }
- return MsafdReturnWithErrno ( Status, lpErrno, 0, NULL );
- }
- INT
- WSPAPI
- WSPIoctl(IN SOCKET Handle,
- IN DWORD dwIoControlCode,
- IN LPVOID lpvInBuffer,
- IN DWORD cbInBuffer,
- OUT LPVOID lpvOutBuffer,
- IN DWORD cbOutBuffer,
- OUT LPDWORD lpcbBytesReturned,
- IN LPWSAOVERLAPPED lpOverlapped,
- IN LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine,
- IN LPWSATHREADID lpThreadId,
- OUT LPINT lpErrno)
- {
- PSOCKET_INFORMATION Socket = NULL;
- BOOLEAN NeedsCompletion;
- BOOLEAN NonBlocking;
- /* Get the Socket Structure associate to this Socket*/
- Socket = GetSocketStructure(Handle);
- if (!Socket)
- {
- *lpErrno = WSAENOTSOCK;
- return SOCKET_ERROR;
- }
- *lpcbBytesReturned = 0;
- switch( dwIoControlCode )
- {
- case FIONBIO:
- if( cbInBuffer < sizeof(INT) || IS_INTRESOURCE(lpvInBuffer) )
- {
- *lpErrno = WSAEFAULT;
- return SOCKET_ERROR;
- }
- NonBlocking = *((PULONG)lpvInBuffer) ? TRUE : FALSE;
- Socket->SharedData.NonBlocking = NonBlocking ? 1 : 0;
- *lpErrno = SetSocketInformation(Socket, AFD_INFO_BLOCKING_MODE, &NonBlocking, NULL, NULL);
- if (*lpErrno != NO_ERROR)
- return SOCKET_ERROR;
- else
- return NO_ERROR;
- case FIONREAD:
- if( cbOutBuffer < sizeof(INT) || IS_INTRESOURCE(lpvOutBuffer) )
- {
- *lpErrno = WSAEFAULT;
- return SOCKET_ERROR;
- }
- *lpErrno = GetSocketInformation(Socket, AFD_INFO_RECEIVE_CONTENT_SIZE, NULL, (PULONG)lpvOutBuffer, NULL);
- if (*lpErrno != NO_ERROR)
- return SOCKET_ERROR;
- else
- {
- *lpcbBytesReturned = sizeof(ULONG);
- return NO_ERROR;
- }
- case SIO_GET_EXTENSION_FUNCTION_POINTER:
- *lpErrno = WSAEINVAL;
- return SOCKET_ERROR;
- default:
- *lpErrno = Socket->HelperData->WSHIoctl(Socket->HelperContext,
- Handle,
- Socket->TdiAddressHandle,
- Socket->TdiConnectionHandle,
- dwIoControlCode,
- lpvInBuffer,
- cbInBuffer,
- lpvOutBuffer,
- cbOutBuffer,
- lpcbBytesReturned,
- lpOverlapped,
- lpCompletionRoutine,
- (LPBOOL)&NeedsCompletion);
- if (*lpErrno != NO_ERROR)
- return SOCKET_ERROR;
- else
- return NO_ERROR;
- }
- }
- INT
- WSPAPI
- WSPGetSockOpt(IN SOCKET Handle,
- IN INT Level,
- IN INT OptionName,
- OUT CHAR FAR* OptionValue,
- IN OUT LPINT OptionLength,
- OUT LPINT lpErrno)
- {
- PSOCKET_INFORMATION Socket = NULL;
- PVOID Buffer;
- INT BufferSize;
- BOOL BoolBuffer;
- /* Get the Socket Structure associate to this Socket*/
- Socket = GetSocketStructure(Handle);
- if (Socket == NULL)
- {
- *lpErrno = WSAENOTSOCK;
- return SOCKET_ERROR;
- }
- AFD_DbgPrint(MID_TRACE, ("Called\n"));
- switch (Level)
- {
- case SOL_SOCKET:
- switch (OptionName)
- {
- case SO_TYPE:
- Buffer = &Socket->SharedData.SocketType;
- BufferSize = sizeof(INT);
- break;
- case SO_RCVBUF:
- Buffer = &Socket->SharedData.SizeOfRecvBuffer;
- BufferSize = sizeof(INT);
- break;
- case SO_SNDBUF:
- Buffer = &Socket->SharedData.SizeOfSendBuffer;
- BufferSize = sizeof(INT);
- break;
- case SO_ACCEPTCONN:
- BoolBuffer = Socket->SharedData.Listening;
- Buffer = &BoolBuffer;
- BufferSize = sizeof(BOOL);
- break;
- case SO_BROADCAST:
- BoolBuffer = Socket->SharedData.Broadcast;
- Buffer = &BoolBuffer;
- BufferSize = sizeof(BOOL);
- break;
- case SO_DEBUG:
- BoolBuffer = Socket->SharedData.Debug;
- Buffer = &BoolBuffer;
- BufferSize = sizeof(BOOL);
- break;
- case SO_DONTLINGER:
- BoolBuffer = (Socket->SharedData.LingerData.l_onoff == 0);
- Buffer = &BoolBuffer;
- BufferSize = sizeof(BOOL);
- break;
- case SO_LINGER:
- Buffer = &Socket->SharedData.LingerData;
- BufferSize = sizeof(struct linger);
- break;
- /* case SO_CONDITIONAL_ACCEPT: */
- case SO_DONTROUTE:
- case SO_ERROR:
- case SO_GROUP_ID:
- case SO_GROUP_PRIORITY:
- case SO_KEEPALIVE:
- case SO_MAX_MSG_SIZE:
- case SO_OOBINLINE:
- case SO_PROTOCOL_INFO:
- case SO_REUSEADDR:
- AFD_DbgPrint(MID_TRACE, ("Unimplemented option (%x)\n",
- OptionName));
- default:
- *lpErrno = WSAEINVAL;
- return SOCKET_ERROR;
- }
- if (*OptionLength < BufferSize)
- {
- *lpErrno = WSAEFAULT;
- *OptionLength = BufferSize;
- return SOCKET_ERROR;
- }
- RtlCopyMemory(OptionValue, Buffer, BufferSize);
- return 0;
- case IPPROTO_TCP: /* FIXME */
- default:
- *lpErrno = Socket->HelperData->WSHGetSocketInformation(Socket->HelperContext,
- Handle,
- Socket->TdiAddressHandle,
- Socket->TdiConnectionHandle,
- Level,
- OptionName,
- OptionValue,
- (LPINT)OptionLength);
- return (*lpErrno == 0) ? 0 : SOCKET_ERROR;
- }
- }
- INT
- WSPAPI
- WSPSetSockOpt(
- IN SOCKET s,
- IN INT level,
- IN INT optname,
- IN CONST CHAR FAR* optval,
- IN INT optlen,
- OUT LPINT lpErrno)
- {
- PSOCKET_INFORMATION Socket;
- /* Get the Socket Structure associate to this Socket*/
- Socket = GetSocketStructure(s);
- if (Socket == NULL)
- {
- *lpErrno = WSAENOTSOCK;
- return SOCKET_ERROR;
- }
- /* FIXME: We should handle some more cases here */
- if (level == SOL_SOCKET)
- {
- switch (optname)
- {
- case SO_BROADCAST:
- if (optlen < sizeof(BOOL))
- {
- *lpErrno = WSAEFAULT;
- return SOCKET_ERROR;
- }
- Socket->SharedData.Broadcast = (*optval != 0) ? 1 : 0;
- return 0;
- case SO_DONTLINGER:
- if (optlen < sizeof(BOOL))
- {
- *lpErrno = WSAEFAULT;
- return SOCKET_ERROR;
- }
- Socket->SharedData.LingerData.l_onoff = (*optval != 0) ? 0 : 1;
- return 0;
- case SO_LINGER:
- if (optlen < sizeof(struct linger))
- {
- *lpErrno = WSAEFAULT;
- return SOCKET_ERROR;
- }
- RtlCopyMemory(&Socket->SharedData.LingerData,
- optval,
- sizeof(struct linger));
- return 0;
- case SO_SNDBUF:
- if (optlen < sizeof(DWORD))
- {
- *lpErrno = WSAEFAULT;
- return SOCKET_ERROR;
- }
- /* TODO: The total per-socket buffer space reserved for sends */
- AFD_DbgPrint(MIN_TRACE,("Setting send buf to %x is not implemented yet\n", optval));
- return 0;
- default:
- AFD_DbgPrint(MIN_TRACE,("Unknown optname %x\n", optname));
- break;
- }
- }
- *lpErrno = Socket->HelperData->WSHSetSocketInformation(Socket->HelperContext,
- s,
- Socket->TdiAddressHandle,
- Socket->TdiConnectionHandle,
- level,
- optname,
- (PCHAR)optval,
- optlen);
- return (*lpErrno == 0) ? 0 : SOCKET_ERROR;
- }
- /*
- * FUNCTION: Initialize service provider for a client
- * ARGUMENTS:
- * wVersionRequested = Highest WinSock SPI version that the caller can use
- * lpWSPData = Address of WSPDATA structure to initialize
- * lpProtocolInfo = Pointer to structure that defines the desired protocol
- * UpcallTable = Pointer to upcall table of the WinSock DLL
- * lpProcTable = Address of procedure table to initialize
- * RETURNS:
- * Status of operation
- */
- INT
- WSPAPI
- WSPStartup(IN WORD wVersionRequested,
- OUT LPWSPDATA lpWSPData,
- IN LPWSAPROTOCOL_INFOW lpProtocolInfo,
- IN WSPUPCALLTABLE UpcallTable,
- OUT LPWSPPROC_TABLE lpProcTable)
- {
- NTSTATUS Status;
- AFD_DbgPrint(MAX_TRACE, ("wVersionRequested (0x%X) \n", wVersionRequested));
- Status = NO_ERROR;
- Upcalls = UpcallTable;
- if (Status == NO_ERROR)
- {
- lpProcTable->lpWSPAccept = WSPAccept;
- lpProcTable->lpWSPAddressToString = WSPAddressToString;
- lpProcTable->lpWSPAsyncSelect = WSPAsyncSelect;
- lpProcTable->lpWSPBind = WSPBind;
- lpProcTable->lpWSPCancelBlockingCall = WSPCancelBlockingCall;
- lpProcTable->lpWSPCleanup = WSPCleanup;
- lpProcTable->lpWSPCloseSocket = WSPCloseSocket;
- lpProcTable->lpWSPConnect = WSPConnect;
- lpProcTable->lpWSPDuplicateSocket = WSPDuplicateSocket;
- lpProcTable->lpWSPEnumNetworkEvents = WSPEnumNetworkEvents;
- lpProcTable->lpWSPEventSelect = WSPEventSelect;
- lpProcTable->lpWSPGetOverlappedResult = WSPGetOverlappedResult;
- lpProcTable->lpWSPGetPeerName = WSPGetPeerName;
- lpProcTable->lpWSPGetSockName = WSPGetSockName;
- lpProcTable->lpWSPGetSockOpt = WSPGetSockOpt;
- lpProcTable->lpWSPGetQOSByName = WSPGetQOSByName;
- lpProcTable->lpWSPIoctl = WSPIoctl;
- lpProcTable->lpWSPJoinLeaf = WSPJoinLeaf;
- lpProcTable->lpWSPListen = WSPListen;
- lpProcTable->lpWSPRecv = WSPRecv;
- lpProcTable->lpWSPRecvDisconnect = WSPRecvDisconnect;
- lpProcTable->lpWSPRecvFrom = WSPRecvFrom;
- lpProcTable->lpWSPSelect = WSPSelect;
- lpProcTable->lpWSPSend = WSPSend;
- lpProcTable->lpWSPSendDisconnect = WSPSendDisconnect;
- lpProcTable->lpWSPSendTo = WSPSendTo;
- lpProcTable->lpWSPSetSockOpt = WSPSetSockOpt;
- lpProcTable->lpWSPShutdown = WSPShutdown;
- lpProcTable->lpWSPSocket = WSPSocket;
- lpProcTable->lpWSPStringToAddress = WSPStringToAddress;
- lpWSPData->wVersion = MAKEWORD(2, 2);
- lpWSPData->wHighVersion = MAKEWORD(2, 2);
- }
- AFD_DbgPrint(MAX_TRACE, ("Status (%d).\n", Status));
- return Status;
- }
- /*
- * FUNCTION: Cleans up service provider for a client
- * ARGUMENTS:
- * lpErrno = Address of buffer for error information
- * RETURNS:
- * 0 if successful, or SOCKET_ERROR if not
- */
- INT
- WSPAPI
- WSPCleanup(OUT LPINT lpErrno)
- {
- AFD_DbgPrint(MAX_TRACE, ("\n"));
- AFD_DbgPrint(MAX_TRACE, ("Leaving.\n"));
- *lpErrno = NO_ERROR;
- return 0;
- }
- int
- GetSocketInformation(PSOCKET_INFORMATION Socket,
- ULONG AfdInformationClass,
- PBOOLEAN Boolean OPTIONAL,
- PULONG Ulong OPTIONAL,
- PLARGE_INTEGER LargeInteger OPTIONAL)
- {
- IO_STATUS_BLOCK IOSB;
- AFD_INFO InfoData;
- NTSTATUS Status;
- HANDLE SockEvent;
- Status = NtCreateEvent(&SockEvent,
- GENERIC_READ | GENERIC_WRITE,
- NULL,
- 1,
- FALSE);
- if( !NT_SUCCESS(Status) )
- return -1;
- /* Set Info Class */
- InfoData.InformationClass = AfdInformationClass;
- /* Send IOCTL */
- Status = NtDeviceIoControlFile((HANDLE)Socket->Handle,
- SockEvent,
- NULL,
- NULL,
- &IOSB,
- IOCTL_AFD_GET_INFO,
- &InfoData,
- sizeof(InfoData),
- &InfoData,
- sizeof(InfoData));
- /* Wait for return */
- if (Status == STATUS_PENDING)
- {
- WaitForSingleObject(SockEvent, INFINITE);
- Status = IOSB.Status;
- }
- if (Status != STATUS_SUCCESS)
- return -1;
- /* Return Information */
- if (Ulong != NULL)
- {
- *Ulong = InfoData.Information.Ulong;
- }
- if (LargeInteger != NULL)
- {
- *LargeInteger = InfoData.Information.LargeInteger;
- }
- if (Boolean != NULL)
- {
- *Boolean = InfoData.Information.Boolean;
- }
- NtClose( SockEvent );
- return 0;
- }
- int
- SetSocketInformation(PSOCKET_INFORMATION Socket,
- ULONG AfdInformationClass,
- PBOOLEAN Boolean OPTIONAL,
- PULONG Ulong OPTIONAL,
- PLARGE_INTEGER LargeInteger OPTIONAL)
- {
- IO_STATUS_BLOCK IOSB;
- AFD_INFO InfoData;
- NTSTATUS Status;
- HANDLE SockEvent;
- Status = NtCreateEvent(&SockEvent,
- GENERIC_READ | GENERIC_WRITE,
- NULL,
- 1,
- FALSE);
- if( !NT_SUCCESS(Status) )
- return -1;
- /* Set Info Class */
- InfoData.InformationClass = AfdInformationClass;
- /* Set Information */
- if (Ulong != NULL)
- {
- InfoData.Information.Ulong = *Ulong;
- }
- if (LargeInteger != NULL)
- {
- InfoData.Information.LargeInteger = *LargeInteger;
- }
- if (Boolean != NULL)
- {
- InfoData.Information.Boolean = *Boolean;
- }
- /* Send IOCTL */
- Status = NtDeviceIoControlFile((HANDLE)Socket->Handle,
- SockEvent,
- NULL,
- NULL,
- &IOSB,
- IOCTL_AFD_SET_INFO,
- &InfoData,
- sizeof(InfoData),
- NULL,
- 0);
- /* Wait for return */
- if (Status == STATUS_PENDING)
- {
- WaitForSingleObject(SockEvent, INFINITE);
- Status = IOSB.Status;
- }
- NtClose( SockEvent );
- return Status == STATUS_SUCCESS ? 0 : -1;
- }
- PSOCKET_INFORMATION
- GetSocketStructure(SOCKET Handle)
- {
- PSOCKET_INFORMATION CurrentSocket;
- EnterCriticalSection(&SocketListLock);
- CurrentSocket = SocketListHead;
- while (CurrentSocket)
- {
- if (CurrentSocket->Handle == Handle)
- {
- LeaveCriticalSection(&SocketListLock);
- return CurrentSocket;
- }
- CurrentSocket = CurrentSocket->NextSocket;
- }
- LeaveCriticalSection(&SocketListLock);
- return NULL;
- }
- int CreateContext(PSOCKET_INFORMATION Socket)
- {
- IO_STATUS_BLOCK IOSB;
- SOCKET_CONTEXT ContextData;
- NTSTATUS Status;
- HANDLE SockEvent;
- Status = NtCreateEvent(&SockEvent,
- GENERIC_READ | GENERIC_WRITE,
- NULL,
- 1,
- FALSE);
- if( !NT_SUCCESS(Status) )
- return -1;
- /* Create Context */
- ContextData.SharedData = Socket->SharedData;
- ContextData.SizeOfHelperData = 0;
- RtlCopyMemory (&ContextData.LocalAddress,
- Socket->LocalAddress,
- Socket->SharedData.SizeOfLocalAddress);
- RtlCopyMemory (&ContextData.RemoteAddress,
- Socket->RemoteAddress,
- Socket->SharedData.SizeOfRemoteAddress);
- /* Send IOCTL */
- Status = NtDeviceIoControlFile((HANDLE)Socket->Handle,
- SockEvent,
- NULL,
- NULL,
- &IOSB,
- IOCTL_AFD_SET_CONTEXT,
- &ContextData,
- sizeof(ContextData),
- NULL,
- 0);
- /* Wait for Completition */
- if (Status == STATUS_PENDING)
- {
- WaitForSingleObject(SockEvent, INFINITE);
- Status = IOSB.Status;
- }
- NtClose( SockEvent );
- return Status == STATUS_SUCCESS ? 0 : -1;
- }
- BOOLEAN SockCreateOrReferenceAsyncThread(VOID)
- {
- HANDLE hAsyncThread;
- DWORD AsyncThreadId;
- HANDLE AsyncEvent;
- OBJECT_HANDLE_ATTRIBUTE_INFORMATION HandleFlags;
- NTSTATUS Status;
- /* Check if the Thread Already Exists */
- if (SockAsyncThreadRefCount)
- {
- ASSERT(SockAsyncCompletionPort);
- return TRUE;
- }
- /* Create the Completion Port */
- if (!SockAsyncCompletionPort)
- {
- Status = NtCreateIoCompletion(&SockAsyncCompletionPort,
- IO_COMPLETION_ALL_ACCESS,
- NULL,
- 2); // Allow 2 threads only
- if (!NT_SUCCESS(Status))
- {
- AFD_DbgPrint(MID_TRACE,("Failed to create completion port\n"));
- return FALSE;
- }
- /* Protect Handle */
- HandleFlags.ProtectFromClose = TRUE;
- HandleFlags.Inherit = FALSE;
- Status = NtSetInformationObject(SockAsyncCompletionPort,
- ObjectHandleFlagInformation,
- &HandleFlags,
- sizeof(HandleFlags));
- }
- /* Create the Async Event */
- Status = NtCreateEvent(&AsyncEvent,
- EVENT_ALL_ACCESS,
- NULL,
- NotificationEvent,
- FALSE);
- /* Create the Async Thread */
- hAsyncThread = CreateThread(NULL,
- 0,
- (LPTHREAD_START_ROUTINE)SockAsyncThread,
- NULL,
- 0,
- &AsyncThreadId);
- /* Close the Handle */
- NtClose(hAsyncThread);
- /* Increase the Reference Count */
- SockAsyncThreadRefCount++;
- return TRUE;
- }
- int SockAsyncThread(PVOID ThreadParam)
- {
- PVOID AsyncContext;
- PASYNC_COMPLETION_ROUTINE AsyncCompletionRoutine;
- IO_STATUS_BLOCK IOSB;
- NTSTATUS Status;
- /* Make the Thread Higher Priority */
- SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_ABOVE_NORMAL);
- /* Do a KQUEUE/WorkItem Style Loop, thanks to IoCompletion Ports */
- do
- {
- Status = NtRemoveIoCompletion (SockAsyncCompletionPort,
- (PVOID*)&AsyncCompletionRoutine,
- &AsyncContext,
- &IOSB,
- NULL);
- /* Call the Async Function */
- if (NT_SUCCESS(Status))
- {
- (*AsyncCompletionRoutine)(AsyncContext, &IOSB);
- }
- else
- {
- /* It Failed, sleep for a second */
- Sleep(1000);
- }
- } while ((Status != STATUS_TIMEOUT));
- /* The Thread has Ended */
- return 0;
- }
- BOOLEAN SockGetAsyncSelectHelperAfdHandle(VOID)
- {
- UNICODE_STRING AfdHelper;
- OBJECT_ATTRIBUTES ObjectAttributes;
- IO_STATUS_BLOCK IoSb;
- FILE_COMPLETION_INFORMATION CompletionInfo;
- OBJECT_HANDLE_ATTRIBUTE_INFORMATION HandleFlags;
- /* First, make sure we're not already intialized */
- if (SockAsyncHelperAfdHandle)
- {
- return TRUE;
- }
- /* Set up Handle Name and Object */
- RtlInitUnicodeString(&AfdHelper, L"\\Device\\Afd\\AsyncSelectHlp" );
- InitializeObjectAttributes(&ObjectAttributes,
- &AfdHelper,
- OBJ_INHERIT | OBJ_CASE_INSENSITIVE,
- NULL,
- NULL);
- /* Open the Handle to AFD */
- NtCreateFile(&SockAsyncHelperAfdHandle,
- GENERIC_READ | GENERIC_WRITE | SYNCHRONIZE,
- &ObjectAttributes,
- &IoSb,
- NULL,
- 0,
- FILE_SHARE_READ | FILE_SHARE_WRITE,
- FILE_OPEN_IF,
- 0,
- NULL,
- 0);
- /*
- * Now Set up the Completion Port Information
- * This means that whenever a Poll is finished, the routine will be executed
- */
- CompletionInfo.Port = SockAsyncCompletionPort;
- CompletionInfo.Key = SockAsyncSelectCompletionRoutine;
- NtSetInformationFile(SockAsyncHelperAfdHandle,
- &IoSb,
- &CompletionInfo,
- sizeof(CompletionInfo),
- FileCompletionInformation);
- /* Protect the Handle */
- HandleFlags.ProtectFromClose = TRUE;
- HandleFlags.Inherit = FALSE;
- NtSetInformationObject(SockAsyncCompletionPort,
- ObjectHandleFlagInformation,
- &HandleFlags,
- sizeof(HandleFlags));
- /* Set this variable to true so that Send/Recv/Accept will know wether to renable disabled events */
- SockAsyncSelectCalled = TRUE;
- return TRUE;
- }
- VOID SockAsyncSelectCompletionRoutine(PVOID Context, PIO_STATUS_BLOCK IoStatusBlock)
- {
- PASYNC_DATA AsyncData = Context;
- PSOCKET_INFORMATION Socket;
- ULONG x;
- /* Get the Socket */
- Socket = AsyncData->ParentSocket;
- /* Check if the Sequence Number Changed behind our back */
- if (AsyncData->SequenceNumber != Socket->SharedData.SequenceNumber )
- {
- return;
- }
- /* Check we were manually called b/c of a failure */
- if (!NT_SUCCESS(IoStatusBlock->Status))
- {
- /* FIXME: Perform Upcall */
- return;
- }
- for (x = 1; x; x<<=1)
- {
- switch (AsyncData->AsyncSelectInfo.Handles[0].Events & x)
- {
- case AFD_EVENT_RECEIVE:
- if (0 != (Socket->SharedData.AsyncEvents & FD_READ) &&
- 0 == (Socket->SharedData.AsyncDisabledEvents & FD_READ))
- {
- /* Make the Notifcation */
- (Upcalls.lpWPUPostMessage)(Socket->SharedData.hWnd,
- Socket->SharedData.wMsg,
- Socket->Handle,
- WSAMAKESELECTREPLY(FD_READ, 0));
- /* Disable this event until the next read(); */
- Socket->SharedData.AsyncDisabledEvents |= FD_READ;
- }
- break;
- case AFD_EVENT_OOB_RECEIVE:
- if (0 != (Socket->SharedData.AsyncEvents & FD_OOB) &&
- 0 == (Socket->SharedData.AsyncDisabledEvents & FD_OOB))
- {
- /* Make the Notifcation */
- (Upcalls.lpWPUPostMessage)(Socket->SharedData.hWnd,
- Socket->SharedData.wMsg,
- Socket->Handle,
- WSAMAKESELECTREPLY(FD_OOB, 0));
- /* Disable this event until the next read(); */
- Socket->SharedData.AsyncDisabledEvents |= FD_OOB;
- }
- break;
- case AFD_EVENT_SEND:
- if (0 != (Socket->SharedData.AsyncEvents & FD_WRITE) &&
- 0 == (Socket->SharedData.AsyncDisabledEvents & FD_WRITE))
- {
- /* Make the Notifcation */
- (Upcalls.lpWPUPostMessage)(Socket->SharedData.hWnd,
- Socket->SharedData.wMsg,
- Socket->Handle,
- WSAMAKESELECTREPLY(FD_WRITE, 0));
- /* Disable this event until the next write(); */
- Socket->SharedData.AsyncDisabledEvents |= FD_WRITE;
- }
- break;
- /* FIXME: THIS IS NOT RIGHT!!! HACK HACK HACK! */
- case AFD_EVENT_CONNECT:
- case AFD_EVENT_CONNECT_FAIL:
- if (0 != (Socket->SharedData.AsyncEvents & FD_CONNECT) &&
- 0 == (Socket->SharedData.AsyncDisabledEvents & FD_CONNECT))
- {
- /* Make the Notifcation */
- (Upcalls.lpWPUPostMessage)(Socket->SharedData.hWnd,
- Socket->SharedData.wMsg,
- Socket->Handle,
- WSAMAKESELECTREPLY(FD_CONNECT, 0));
- /* Disable this event forever; */
- Socket->SharedData.AsyncDisabledEvents |= FD_CONNECT;
- }
- break;
- case AFD_EVENT_ACCEPT:
- if (0 != (Socket->SharedData.AsyncEvents & FD_ACCEPT) &&
- 0 == (Socket->SharedData.AsyncDisabledEvents & FD_ACCEPT))
- {
- /* Make the Notifcation */
- (Upcalls.lpWPUPostMessage)(Socket->SharedData.hWnd,
- Socket->SharedData.wMsg,
- Socket->Handle,
- WSAMAKESELECTREPLY(FD_ACCEPT, 0));
- /* Disable this event until the next accept(); */
- Socket->SharedData.AsyncDisabledEvents |= FD_ACCEPT;
- }
- break;
- case AFD_EVENT_DISCONNECT:
- case AFD_EVENT_ABORT:
- case AFD_EVENT_CLOSE:
- if (0 != (Socket->SharedData.AsyncEvents & FD_CLOSE) &&
- 0 == (Socket->SharedData.AsyncDisabledEvents & FD_CLOSE))
- {
- /* Make the Notifcation */
- (Upcalls.lpWPUPostMessage)(Socket->SharedData.hWnd,
- Socket->SharedData.wMsg,
- Socket->Handle,
- WSAMAKESELECTREPLY(FD_CLOSE, 0));
- /* Disable this event forever; */
- Socket->SharedData.AsyncDisabledEvents |= FD_CLOSE;
- }
- break;
- /* FIXME: Support QOS */
- }
- }
- /* Check if there are any events left for us to check */
- if ((Socket->SharedData.AsyncEvents & (~Socket->SharedData.AsyncDisabledEvents)) == 0 )
- {
- return;
- }
- /* Keep Polling */
- SockProcessAsyncSelect(Socket, AsyncData);
- return;
- }
- VOID SockProcessAsyncSelect(PSOCKET_INFORMATION Socket, PASYNC_DATA AsyncData)
- {
- ULONG lNetworkEvents;
- NTSTATUS Status;
- /* Set up the Async Data Event Info */
- AsyncData->AsyncSelectInfo.Timeout.HighPart = 0x7FFFFFFF;
- AsyncData->AsyncSelectInfo.Timeout.LowPart = 0xFFFFFFFF;
- AsyncData->AsyncSelectInfo.HandleCount = 1;
- AsyncData->AsyncSelectInfo.Exclusive = TRUE;
- AsyncData->AsyncSelectInfo.Handles[0].Handle = Socket->Handle;
- AsyncData->AsyncSelectInfo.Handles[0].Events = 0;
- /* Remove unwanted events */
- lNetworkEvents = Socket->SharedData.AsyncEvents & (~Socket->SharedData.AsyncDisabledEvents);
- /* Set Events to wait for */
- if (lNetworkEvents & FD_READ)
- {
- AsyncData->AsyncSelectInfo.Handles[0].Events |= AFD_EVENT_RECEIVE;
- }
- if (lNetworkEvents & FD_WRITE)
- {
- AsyncData->AsyncSelectInfo.Handles[0].Events |= AFD_EVENT_SEND;
- }
- if (lNetworkEvents & FD_OOB)
- {
- AsyncData->AsyncSelectInfo.Handles[0].Events |= AFD_EVENT_OOB_RECEIVE;
- }
- if (lNetworkEvents & FD_ACCEPT)
- {
- AsyncData->AsyncSelectInfo.Handles[0].Events |= AFD_EVENT_ACCEPT;
- }
- /* FIXME: THIS IS NOT RIGHT!!! HACK HACK HACK! */
- if (lNetworkEvents & FD_CONNECT)
- {
- AsyncData->AsyncSelectInfo.Handles[0].Events |= AFD_EVENT_CONNECT | AFD_EVENT_CONNECT_FAIL;
- }
- if (lNetworkEvents & FD_CLOSE)
- {
- AsyncData->AsyncSelectInfo.Handles[0].Events |= AFD_EVENT_DISCONNECT | AFD_EVENT_ABORT | AFD_EVENT_CLOSE;
- }
- if (lNetworkEvents & FD_QOS)
- {
- AsyncData->AsyncSelectInfo.Handles[0].Events |= AFD_EVENT_QOS;
- }
- if (lNetworkEvents & FD_GROUP_QOS)
- {
- AsyncData->AsyncSelectInfo.Handles[0].Events |= AFD_EVENT_GROUP_QOS;
- }
- /* Send IOCTL */
- Status = NtDeviceIoControlFile (SockAsyncHelperAfdHandle,
- NULL,
- NULL,
- AsyncData,
- &AsyncData->IoStatusBlock,
- IOCTL_AFD_SELECT,
- &AsyncData->AsyncSelectInfo,
- sizeof(AsyncData->AsyncSelectInfo),
- &AsyncData->AsyncSelectInfo,
- sizeof(AsyncData->AsyncSelectInfo));
- /* I/O Manager Won't call the completion routine, let's do it manually */
- if (NT_SUCCESS(Status))
- {
- return;
- }
- else
- {
- AsyncData->IoStatusBlock.Status = Status;
- SockAsyncSelectCompletionRoutine(AsyncData, &AsyncData->IoStatusBlock);
- }
- }
- VOID SockProcessQueuedAsyncSelect(PVOID Context, PIO_STATUS_BLOCK IoStatusBlock)
- {
- PASYNC_DATA AsyncData = Context;
- BOOL FreeContext = TRUE;
- PSOCKET_INFORMATION Socket;
- /* Get the Socket */
- Socket = AsyncData->ParentSocket;
- /* If someone closed it, stop the function */
- if (Socket->SharedData.State != SocketClosed)
- {
- /* Check if the Sequence Number changed by now, in which case quit */
- if (AsyncData->SequenceNumber == Socket->SharedData.SequenceNumber)
- {
- /* Do the actuall select, if needed */
- if ((Socket->SharedData.AsyncEvents & (~Socket->SharedData.AsyncDisabledEvents)))
- {
- SockProcessAsyncSelect(Socket, AsyncData);
- FreeContext = FALSE;
- }
- }
- }
- /* Free the Context */
- if (FreeContext)
- {
- HeapFree(GetProcessHeap(), 0, AsyncData);
- }
- return;
- }
- VOID
- SockReenableAsyncSelectEvent (IN PSOCKET_INFORMATION Socket,
- IN ULONG Event)
- {
- PASYNC_DATA AsyncData;
- /* Make sure the event is actually disabled */
- if (!(Socket->SharedData.AsyncDisabledEvents & Event))
- {
- return;
- }
- /* Re-enable it */
- Socket->SharedData.AsyncDisabledEvents &= ~Event;
- /* Return if no more events are being polled */
- if ((Socket->SharedData.AsyncEvents & (~Socket->SharedData.AsyncDisabledEvents)) == 0 )
- {
- return;
- }
- /* Wait on new events */
- AsyncData = HeapAlloc(GetProcessHeap(), 0, sizeof(ASYNC_DATA));
- if (!AsyncData) return;
- /* Create the Asynch Thread if Needed */
- SockCreateOrReferenceAsyncThread();
- /* Increase the sequence number to stop anything else */
- Socket->SharedData.SequenceNumber++;
- /* Set up the Async Data */
- AsyncData->ParentSocket = Socket;
- AsyncData->SequenceNumber = Socket->SharedData.SequenceNumber;
- /* Begin Async Select by using I/O Completion */
- NtSetIoCompletion(SockAsyncCompletionPort,
- (PVOID)&SockProcessQueuedAsyncSelect,
- AsyncData,
- 0,
- 0);
- /* All done */
- return;
- }
- BOOL
- WINAPI
- DllMain(HANDLE hInstDll,
- ULONG dwReason,
- PVOID Reserved)
- {
- switch (dwReason)
- {
- case DLL_PROCESS_ATTACH:
- AFD_DbgPrint(MAX_TRACE, ("Loading MSAFD.DLL \n"));
- /* Don't need thread attach notifications
- so disable them to improve performance */
- DisableThreadLibraryCalls(hInstDll);
- /* List of DLL Helpers */
- InitializeListHead(&SockHelpersListHead);
- /* Heap to use when allocating */
- GlobalHeap = GetProcessHeap();
- /* Initialize the lock that protects our socket list */
- InitializeCriticalSection(&SocketListLock);
- AFD_DbgPrint(MAX_TRACE, ("MSAFD.DLL has been loaded\n"));
- break;
- case DLL_THREAD_ATTACH:
- break;
- case DLL_THREAD_DETACH:
- break;
- case DLL_PROCESS_DETACH:
- /* Delete the socket list lock */
- DeleteCriticalSection(&SocketListLock);
- break;
- }
- AFD_DbgPrint(MAX_TRACE, ("DllMain of msafd.dll (leaving)\n"));
- return TRUE;
- }
- /* EOF */