2 * COPYRIGHT: See COPYING in the top level directory
3 * PROJECT: ReactOS kernel
4 * FILE: drivers/net/afd/afd/main.c
5 * PURPOSE: Ancillary functions driver
6 * PROGRAMMER: Art Yerkes (ayerkes@speakeasy.net)
10 * Suggestions: Uniform naming (AfdXxx)
16 #include "tdi_proto.h"
22 /* See debug.h for debug/trace constants */
23 //DWORD DebugTraceLevel = DEBUG_ULTRA;
24 DWORD DebugTraceLevel
= 0;
28 void OskitDumpBuffer( PCHAR Data
, UINT Len
) {
31 for( i
= 0; i
< Len
; i
++ ) {
32 if( i
&& !(i
& 0xf) ) DbgPrint( "\n" );
33 if( !(i
& 0xf) ) DbgPrint( "%08x: ", (UINT
)(Data
+ i
) );
34 DbgPrint( " %02x", Data
[i
] & 0xff );
42 DriverEntry(PDRIVER_OBJECT DriverObject
, PUNICODE_STRING RegistryPath
);
45 AfdCreateSocket(PDEVICE_OBJECT DeviceObject
, PIRP Irp
,
46 PIO_STACK_LOCATION IrpSp
) {
48 PFILE_OBJECT FileObject
;
49 PAFD_DEVICE_EXTENSION DeviceExt
;
50 PFILE_FULL_EA_INFORMATION EaInfo
;
51 PAFD_CREATE_PACKET ConnectInfo
= NULL
;
53 PWCHAR EaInfoValue
= NULL
;
55 NTSTATUS Status
= STATUS_SUCCESS
;
57 AFD_DbgPrint(MID_TRACE
,
58 ("AfdCreate(DeviceObject %p Irp %p)\n", DeviceObject
, Irp
));
60 DeviceExt
= DeviceObject
->DeviceExtension
;
61 FileObject
= IrpSp
->FileObject
;
62 Disposition
= (IrpSp
->Parameters
.Create
.Options
>> 24) & 0xff;
64 Irp
->IoStatus
.Information
= 0;
66 EaInfo
= Irp
->AssociatedIrp
.SystemBuffer
;
69 ConnectInfo
= (PAFD_CREATE_PACKET
)(EaInfo
->EaName
+ EaInfo
->EaNameLength
+ 1);
70 EaInfoValue
= (PWCHAR
)(((PCHAR
)ConnectInfo
) + sizeof(AFD_CREATE_PACKET
));
72 EaLength
= sizeof(FILE_FULL_EA_INFORMATION
) +
73 EaInfo
->EaNameLength
+
74 EaInfo
->EaValueLength
;
76 AFD_DbgPrint(MID_TRACE
,("EaInfo: %x, EaInfoValue: %x\n",
77 EaInfo
, EaInfoValue
));
80 AFD_DbgPrint(MID_TRACE
,("About to allocate the new FCB\n"));
82 FCB
= ExAllocatePool(NonPagedPool
, sizeof(AFD_FCB
));
84 Irp
->IoStatus
.Status
= STATUS_NO_MEMORY
;
85 IoCompleteRequest(Irp
, IO_NO_INCREMENT
);
86 return STATUS_NO_MEMORY
;
89 AFD_DbgPrint(MID_TRACE
,("Initializing the new FCB @ %x (FileObject %x Flags %x)\n", FCB
, FileObject
, ConnectInfo
? ConnectInfo
->EndpointFlags
: 0));
91 RtlZeroMemory( FCB
, sizeof( *FCB
) );
93 FCB
->Flags
= ConnectInfo
? ConnectInfo
->EndpointFlags
: 0;
94 FCB
->State
= SOCKET_STATE_CREATED
;
95 FCB
->FileObject
= FileObject
;
96 FCB
->DeviceExt
= DeviceExt
;
97 FCB
->Recv
.Size
= DEFAULT_RECEIVE_WINDOW_SIZE
;
98 FCB
->Send
.Size
= DEFAULT_SEND_WINDOW_SIZE
;
100 KeInitializeSpinLock( &FCB
->SpinLock
);
101 ExInitializeFastMutex( &FCB
->Mutex
);
102 KeInitializeEvent( &FCB
->StateLockedEvent
, NotificationEvent
, FALSE
);
104 for( i
= 0; i
< MAX_FUNCTIONS
; i
++ ) {
105 InitializeListHead( &FCB
->PendingIrpList
[i
] );
108 InitializeListHead( &FCB
->DatagramList
);
109 InitializeListHead( &FCB
->PendingConnections
);
111 AFD_DbgPrint(MID_TRACE
,("%x: Checking command channel\n", FCB
));
114 FCB
->TdiDeviceName
.Length
= ConnectInfo
->SizeOfTransportName
;
115 FCB
->TdiDeviceName
.MaximumLength
= FCB
->TdiDeviceName
.Length
;
116 FCB
->TdiDeviceName
.Buffer
=
117 ExAllocatePool( NonPagedPool
, FCB
->TdiDeviceName
.Length
);
119 if( !FCB
->TdiDeviceName
.Buffer
) {
121 AFD_DbgPrint(MID_TRACE
,("Could not copy target string\n"));
122 Irp
->IoStatus
.Status
= STATUS_NO_MEMORY
;
123 IoCompleteRequest( Irp
, IO_NETWORK_INCREMENT
);
124 return STATUS_NO_MEMORY
;
127 RtlCopyMemory( FCB
->TdiDeviceName
.Buffer
,
128 ConnectInfo
->TransportName
,
129 FCB
->TdiDeviceName
.Length
);
131 AFD_DbgPrint(MID_TRACE
,("Success: %s %wZ\n",
132 EaInfo
->EaName
, &FCB
->TdiDeviceName
));
134 AFD_DbgPrint(MID_TRACE
,("Success: Control connection\n"));
137 FileObject
->FsContext
= FCB
;
139 /* It seems that UDP sockets are writable from inception */
140 if( FCB
->Flags
& SGID_CONNECTIONLESS
) {
141 AFD_DbgPrint(MID_TRACE
,("Packet oriented socket\n"));
142 /* Allocate our backup buffer */
143 FCB
->Recv
.Window
= ExAllocatePool( NonPagedPool
, FCB
->Recv
.Size
);
144 if( !FCB
->Recv
.Window
) Status
= STATUS_NO_MEMORY
;
145 FCB
->Send
.Window
= ExAllocatePool( NonPagedPool
, FCB
->Send
.Size
);
146 if( !FCB
->Send
.Window
) {
147 if( FCB
->Recv
.Window
) ExFreePool( FCB
->Recv
.Window
);
148 Status
= STATUS_NO_MEMORY
;
150 /* A datagram socket is always sendable */
151 FCB
->PollState
|= AFD_EVENT_SEND
;
152 PollReeval( FCB
->DeviceExt
, FCB
->FileObject
);
155 if( !NT_SUCCESS(Status
) ) {
156 if( FCB
->TdiDeviceName
.Buffer
) ExFreePool( FCB
->TdiDeviceName
.Buffer
);
158 FileObject
->FsContext
= NULL
;
161 Irp
->IoStatus
.Status
= Status
;
162 IoCompleteRequest( Irp
, IO_NETWORK_INCREMENT
);
167 VOID
DestroySocket( PAFD_FCB FCB
) {
169 BOOLEAN ReturnEarly
= FALSE
;
170 PAFD_IN_FLIGHT_REQUEST InFlightRequest
[IN_FLIGHT_REQUESTS
];
172 AFD_DbgPrint(MIN_TRACE
,("Called (%x)\n", FCB
));
174 if( !SocketAcquireStateLock( FCB
) ) return;
176 FCB
->State
= SOCKET_STATE_CLOSED
;
178 InFlightRequest
[0] = &FCB
->ListenIrp
;
179 InFlightRequest
[1] = &FCB
->ReceiveIrp
;
180 InFlightRequest
[2] = &FCB
->SendIrp
;
181 InFlightRequest
[3] = &FCB
->ConnectIrp
;
183 /* Cancel our pending requests */
184 for( i
= 0; i
< IN_FLIGHT_REQUESTS
; i
++ ) {
185 if( InFlightRequest
[i
]->InFlightRequest
) {
186 AFD_DbgPrint(MID_TRACE
,("Cancelling in flight irp %d (%x)\n",
187 i
, InFlightRequest
[i
]->InFlightRequest
));
188 if (!IoCancelIrp(InFlightRequest
[i
]->InFlightRequest
))
193 SocketStateUnlock( FCB
);
198 if( FCB
->Recv
.Window
)
199 ExFreePool( FCB
->Recv
.Window
);
200 if( FCB
->Send
.Window
)
201 ExFreePool( FCB
->Send
.Window
);
202 if( FCB
->AddressFrom
)
203 ExFreePool( FCB
->AddressFrom
);
204 if( FCB
->LocalAddress
)
205 ExFreePool( FCB
->LocalAddress
);
206 if( FCB
->RemoteAddress
)
207 ExFreePool( FCB
->RemoteAddress
);
208 if( FCB
->TdiDeviceName
.Buffer
)
209 ExFreePool(FCB
->TdiDeviceName
.Buffer
);
211 if (FCB
->Connection
.Object
)
213 NtClose(FCB
->Connection
.Handle
);
214 ObDereferenceObject(FCB
->Connection
.Object
);
216 if (FCB
->AddressFile
.Object
)
218 NtClose(FCB
->AddressFile
.Handle
);
219 ObDereferenceObject(FCB
->AddressFile
.Object
);
223 AFD_DbgPrint(MIN_TRACE
,("Deleted (%x)\n", FCB
));
225 AFD_DbgPrint(MIN_TRACE
,("Leaving\n"));
228 static NTSTATUS NTAPI
229 AfdCloseSocket(PDEVICE_OBJECT DeviceObject
, PIRP Irp
,
230 PIO_STACK_LOCATION IrpSp
)
232 PFILE_OBJECT FileObject
= IrpSp
->FileObject
;
233 PAFD_FCB FCB
= FileObject
->FsContext
;
235 AFD_DbgPrint(MID_TRACE
,
236 ("AfdClose(DeviceObject %p Irp %p)\n", DeviceObject
, Irp
));
238 AFD_DbgPrint(MID_TRACE
,("FCB %x\n", FCB
));
240 FCB
->PollState
|= AFD_EVENT_CLOSE
;
241 PollReeval( FCB
->DeviceExt
, FileObject
);
242 KillSelectsForFCB( FCB
->DeviceExt
, FileObject
, FALSE
);
244 if( FCB
->EventSelect
) ObDereferenceObject( FCB
->EventSelect
);
246 FileObject
->FsContext
= NULL
;
247 DestroySocket( FCB
);
249 Irp
->IoStatus
.Status
= STATUS_SUCCESS
;
250 Irp
->IoStatus
.Information
= 0;
251 IoCompleteRequest(Irp
, IO_NO_INCREMENT
);
253 AFD_DbgPrint(MID_TRACE
, ("Returning success.\n"));
255 return STATUS_SUCCESS
;
258 static NTSTATUS NTAPI
259 AfdDisconnect(PDEVICE_OBJECT DeviceObject
, PIRP Irp
,
260 PIO_STACK_LOCATION IrpSp
) {
261 PFILE_OBJECT FileObject
= IrpSp
->FileObject
;
262 PAFD_FCB FCB
= FileObject
->FsContext
;
263 PAFD_DISCONNECT_INFO DisReq
;
264 IO_STATUS_BLOCK Iosb
;
265 PTDI_CONNECTION_INFORMATION ConnInfo
;
269 if( !SocketAcquireStateLock( FCB
) ) return LostSocket( Irp
);
271 if( !(DisReq
= LockRequest( Irp
, IrpSp
)) )
272 return UnlockAndMaybeComplete( FCB
, STATUS_NO_MEMORY
,
275 if (NULL
== FCB
->RemoteAddress
)
281 Status
= TdiBuildNullConnectionInfo
282 ( &ConnInfo
, FCB
->RemoteAddress
->Address
[0].AddressType
);
284 if( !NT_SUCCESS(Status
) || !ConnInfo
)
285 return UnlockAndMaybeComplete( FCB
, STATUS_NO_MEMORY
,
289 if( DisReq
->DisconnectType
& AFD_DISCONNECT_SEND
)
290 Flags
|= TDI_DISCONNECT_RELEASE
;
291 if( DisReq
->DisconnectType
& AFD_DISCONNECT_RECV
||
292 DisReq
->DisconnectType
& AFD_DISCONNECT_ABORT
)
293 Flags
|= TDI_DISCONNECT_ABORT
;
295 Status
= TdiDisconnect( FCB
->Connection
.Object
,
304 if (ConnInfo
) ExFreePool( ConnInfo
);
306 return UnlockAndMaybeComplete( FCB
, Status
, Irp
, 0, NULL
);
309 static NTSTATUS NTAPI
310 AfdDispatch(PDEVICE_OBJECT DeviceObject
, PIRP Irp
)
312 PIO_STACK_LOCATION IrpSp
= IoGetCurrentIrpStackLocation(Irp
);
313 NTSTATUS Status
= STATUS_SUCCESS
;
315 PFILE_OBJECT FileObject
= IrpSp
->FileObject
;
318 AFD_DbgPrint(MID_TRACE
,("AfdDispatch: %d\n", IrpSp
->MajorFunction
));
319 if( IrpSp
->MajorFunction
!= IRP_MJ_CREATE
) {
320 AFD_DbgPrint(MID_TRACE
,("FO %x, IrpSp->FO %x\n",
321 FileObject
, IrpSp
->FileObject
));
322 ASSERT(FileObject
== IrpSp
->FileObject
);
325 Irp
->IoStatus
.Information
= 0;
327 switch(IrpSp
->MajorFunction
)
329 /* opening and closing handles to the device */
331 /* Mostly borrowed from the named pipe file system */
332 return AfdCreateSocket(DeviceObject
, Irp
, IrpSp
);
335 /* Ditto the borrowing */
336 return AfdCloseSocket(DeviceObject
, Irp
, IrpSp
);
340 return AfdConnectedSocketWriteData( DeviceObject
, Irp
, IrpSp
, TRUE
);
344 return AfdConnectedSocketReadData( DeviceObject
, Irp
, IrpSp
, TRUE
);
346 case IRP_MJ_DEVICE_CONTROL
:
348 switch( IrpSp
->Parameters
.DeviceIoControl
.IoControlCode
) {
350 return AfdBindSocket( DeviceObject
, Irp
, IrpSp
);
352 case IOCTL_AFD_CONNECT
:
353 return AfdStreamSocketConnect( DeviceObject
, Irp
, IrpSp
);
355 case IOCTL_AFD_START_LISTEN
:
356 return AfdListenSocket( DeviceObject
, Irp
, IrpSp
);
359 return AfdConnectedSocketReadData( DeviceObject
, Irp
, IrpSp
,
362 case IOCTL_AFD_SELECT
:
363 return AfdSelect( DeviceObject
, Irp
, IrpSp
);
365 case IOCTL_AFD_EVENT_SELECT
:
366 return AfdEventSelect( DeviceObject
, Irp
, IrpSp
);
368 case IOCTL_AFD_ENUM_NETWORK_EVENTS
:
369 return AfdEnumEvents( DeviceObject
, Irp
, IrpSp
);
371 case IOCTL_AFD_RECV_DATAGRAM
:
372 return AfdPacketSocketReadData( DeviceObject
, Irp
, IrpSp
);
375 return AfdConnectedSocketWriteData( DeviceObject
, Irp
, IrpSp
,
378 case IOCTL_AFD_SEND_DATAGRAM
:
379 return AfdPacketSocketWriteData( DeviceObject
, Irp
, IrpSp
);
381 case IOCTL_AFD_GET_INFO
:
382 return AfdGetInfo( DeviceObject
, Irp
, IrpSp
);
384 case IOCTL_AFD_GET_CONTEXT
:
385 return AfdGetContext( DeviceObject
, Irp
, IrpSp
);
387 case IOCTL_AFD_SET_CONTEXT
:
388 return AfdSetContext( DeviceObject
, Irp
, IrpSp
);
390 case IOCTL_AFD_WAIT_FOR_LISTEN
:
391 return AfdWaitForListen( DeviceObject
, Irp
, IrpSp
);
393 case IOCTL_AFD_ACCEPT
:
394 return AfdAccept( DeviceObject
, Irp
, IrpSp
);
396 case IOCTL_AFD_DISCONNECT
:
397 return AfdDisconnect( DeviceObject
, Irp
, IrpSp
);
399 case IOCTL_AFD_GET_SOCK_NAME
:
400 return AfdGetSockName( DeviceObject
, Irp
, IrpSp
);
402 case IOCTL_AFD_GET_PEER_NAME
:
403 return AfdGetPeerName( DeviceObject
, Irp
, IrpSp
);
405 case IOCTL_AFD_GET_TDI_HANDLES
:
406 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_GET_TDI_HANDLES\n"));
409 case IOCTL_AFD_SET_INFO
:
410 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_SET_INFO\n"));
413 case IOCTL_AFD_SET_CONNECT_DATA
:
414 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_SET_CONNECT_DATA\n"));
417 case IOCTL_AFD_SET_CONNECT_OPTIONS
:
418 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_SET_CONNECT_OPTIONS\n"));
421 case IOCTL_AFD_SET_DISCONNECT_DATA
:
422 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_SET_DISCONNECT_DATA\n"));
425 case IOCTL_AFD_SET_DISCONNECT_OPTIONS
:
426 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_SET_DISCONNECT_OPTIONS\n"));
429 case IOCTL_AFD_GET_CONNECT_DATA
:
430 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_GET_CONNECT_DATA\n"));
433 case IOCTL_AFD_GET_CONNECT_OPTIONS
:
434 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_GET_CONNECT_OPTIONS\n"));
437 case IOCTL_AFD_GET_DISCONNECT_DATA
:
438 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_GET_DISCONNECT_DATA\n"));
441 case IOCTL_AFD_GET_DISCONNECT_OPTIONS
:
442 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_GET_DISCONNECT_OPTIONS\n"));
445 case IOCTL_AFD_SET_CONNECT_DATA_SIZE
:
446 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_SET_CONNECT_DATA_SIZE\n"));
449 case IOCTL_AFD_SET_CONNECT_OPTIONS_SIZE
:
450 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_SET_CONNECT_OPTIONS_SIZE\n"));
453 case IOCTL_AFD_SET_DISCONNECT_DATA_SIZE
:
454 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_SET_DISCONNECT_DATA_SIZE\n"));
457 case IOCTL_AFD_SET_DISCONNECT_OPTIONS_SIZE
:
458 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_SET_DISCONNECT_OPTIONS_SIZE\n"));
461 case IOCTL_AFD_DEFER_ACCEPT
:
462 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_DEFER_ACCEPT\n"));
465 case IOCTL_AFD_GET_PENDING_CONNECT_DATA
:
466 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_GET_PENDING_CONNECT_DATA\n"));
470 Status
= STATUS_NOT_IMPLEMENTED
;
471 AFD_DbgPrint(MIN_TRACE
, ("Unknown IOCTL (0x%x)\n",
472 IrpSp
->Parameters
.DeviceIoControl
.
479 /* unsupported operations */
482 Status
= STATUS_NOT_IMPLEMENTED
;
483 AFD_DbgPrint(MIN_TRACE
,
484 ("Irp: Unknown Major code was %x\n",
485 IrpSp
->MajorFunction
));
490 AFD_DbgPrint(MID_TRACE
, ("Returning %x\n", Status
));
491 Irp
->IoStatus
.Status
= Status
;
492 IoCompleteRequest(Irp
, IO_NO_INCREMENT
);
498 AfdUnload(PDRIVER_OBJECT DriverObject
)
503 DriverEntry(PDRIVER_OBJECT DriverObject
, PUNICODE_STRING RegistryPath
)
505 PDEVICE_OBJECT DeviceObject
;
506 UNICODE_STRING wstrDeviceName
= RTL_CONSTANT_STRING(L
"\\Device\\Afd");
507 PAFD_DEVICE_EXTENSION DeviceExt
;
510 /* register driver routines */
511 DriverObject
->MajorFunction
[IRP_MJ_CLOSE
] = AfdDispatch
;
512 DriverObject
->MajorFunction
[IRP_MJ_CREATE
] = AfdDispatch
;
513 DriverObject
->MajorFunction
[IRP_MJ_WRITE
] = AfdDispatch
;
514 DriverObject
->MajorFunction
[IRP_MJ_READ
] = AfdDispatch
;
515 DriverObject
->MajorFunction
[IRP_MJ_DEVICE_CONTROL
] = AfdDispatch
;
516 DriverObject
->DriverUnload
= AfdUnload
;
518 Status
= IoCreateDevice
520 sizeof(AFD_DEVICE_EXTENSION
),
522 FILE_DEVICE_NAMED_PIPE
,
528 if(!NT_SUCCESS(Status
))
533 DeviceExt
= DeviceObject
->DeviceExtension
;
534 KeInitializeSpinLock( &DeviceExt
->Lock
);
535 InitializeListHead( &DeviceExt
->Polls
);
537 AFD_DbgPrint(MID_TRACE
,("Device created: object %x ext %x\n",
538 DeviceObject
, DeviceExt
));