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_PTR
)(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 /* Return early here because we might be called in the mean time. */
185 FCB
->ListenIrp
.InFlightRequest
||
186 FCB
->ReceiveIrp
.InFlightRequest
||
187 FCB
->SendIrp
.InFlightRequest
||
188 FCB
->ConnectIrp
.InFlightRequest
) {
189 AFD_DbgPrint(MIN_TRACE
,("Leaving socket alive (%x %x %x %x)\n",
190 FCB
->ListenIrp
.InFlightRequest
,
191 FCB
->ReceiveIrp
.InFlightRequest
,
192 FCB
->SendIrp
.InFlightRequest
,
193 FCB
->ConnectIrp
.InFlightRequest
));
197 /* After PoolReeval, this FCB should not be involved in any outstanding
200 /* Cancel our pending requests */
201 for( i
= 0; i
< IN_FLIGHT_REQUESTS
; i
++ ) {
202 if( InFlightRequest
[i
]->InFlightRequest
) {
203 AFD_DbgPrint(MID_TRACE
,("Cancelling in flight irp %d (%x)\n",
204 i
, InFlightRequest
[i
]->InFlightRequest
));
205 IoCancelIrp(InFlightRequest
[i
]->InFlightRequest
);
206 InFlightRequest
[i
]->InFlightRequest
= NULL
;
210 SocketStateUnlock( FCB
);
212 if( ReturnEarly
) return;
214 if( FCB
->Recv
.Window
)
215 ExFreePool( FCB
->Recv
.Window
);
216 if( FCB
->Send
.Window
)
217 ExFreePool( FCB
->Send
.Window
);
218 if( FCB
->AddressFrom
)
219 ExFreePool( FCB
->AddressFrom
);
220 if( FCB
->LocalAddress
)
221 ExFreePool( FCB
->LocalAddress
);
222 if( FCB
->RemoteAddress
)
223 ExFreePool( FCB
->RemoteAddress
);
224 if( FCB
->TdiDeviceName
.Buffer
)
225 ExFreePool(FCB
->TdiDeviceName
.Buffer
);
227 if (FCB
->Connection
.Object
)
229 NtClose(FCB
->Connection
.Handle
);
230 ObDereferenceObject(FCB
->Connection
.Object
);
232 if (FCB
->AddressFile
.Object
)
234 NtClose(FCB
->AddressFile
.Handle
);
235 ObDereferenceObject(FCB
->AddressFile
.Object
);
239 AFD_DbgPrint(MIN_TRACE
,("Deleted (%x)\n", FCB
));
241 AFD_DbgPrint(MIN_TRACE
,("Leaving\n"));
244 static NTSTATUS NTAPI
245 AfdCloseSocket(PDEVICE_OBJECT DeviceObject
, PIRP Irp
,
246 PIO_STACK_LOCATION IrpSp
)
248 PFILE_OBJECT FileObject
= IrpSp
->FileObject
;
249 PAFD_FCB FCB
= FileObject
->FsContext
;
251 AFD_DbgPrint(MID_TRACE
,
252 ("AfdClose(DeviceObject %p Irp %p)\n", DeviceObject
, Irp
));
254 AFD_DbgPrint(MID_TRACE
,("FCB %x\n", FCB
));
256 FCB
->PollState
|= AFD_EVENT_CLOSE
;
257 PollReeval( FCB
->DeviceExt
, FileObject
);
258 KillSelectsForFCB( FCB
->DeviceExt
, FileObject
, FALSE
);
260 if( FCB
->EventSelect
) ObDereferenceObject( FCB
->EventSelect
);
262 FileObject
->FsContext
= NULL
;
263 DestroySocket( FCB
);
265 Irp
->IoStatus
.Status
= STATUS_SUCCESS
;
266 Irp
->IoStatus
.Information
= 0;
267 IoCompleteRequest(Irp
, IO_NO_INCREMENT
);
269 AFD_DbgPrint(MID_TRACE
, ("Returning success.\n"));
271 return STATUS_SUCCESS
;
274 static NTSTATUS NTAPI
275 AfdDisconnect(PDEVICE_OBJECT DeviceObject
, PIRP Irp
,
276 PIO_STACK_LOCATION IrpSp
) {
277 PFILE_OBJECT FileObject
= IrpSp
->FileObject
;
278 PAFD_FCB FCB
= FileObject
->FsContext
;
279 PAFD_DISCONNECT_INFO DisReq
;
280 IO_STATUS_BLOCK Iosb
;
281 PTDI_CONNECTION_INFORMATION ConnInfo
;
285 if( !SocketAcquireStateLock( FCB
) ) return LostSocket( Irp
);
287 if( !(DisReq
= LockRequest( Irp
, IrpSp
)) )
288 return UnlockAndMaybeComplete( FCB
, STATUS_NO_MEMORY
,
291 if (NULL
== FCB
->RemoteAddress
)
297 Status
= TdiBuildNullConnectionInfo
298 ( &ConnInfo
, FCB
->RemoteAddress
->Address
[0].AddressType
);
300 if( !NT_SUCCESS(Status
) || !ConnInfo
)
301 return UnlockAndMaybeComplete( FCB
, STATUS_NO_MEMORY
,
305 if( DisReq
->DisconnectType
& AFD_DISCONNECT_SEND
)
306 Flags
|= TDI_DISCONNECT_RELEASE
;
307 if( DisReq
->DisconnectType
& AFD_DISCONNECT_RECV
||
308 DisReq
->DisconnectType
& AFD_DISCONNECT_ABORT
)
309 Flags
|= TDI_DISCONNECT_ABORT
;
311 Status
= TdiDisconnect( FCB
->Connection
.Object
,
320 if (ConnInfo
) ExFreePool( ConnInfo
);
322 return UnlockAndMaybeComplete( FCB
, Status
, Irp
, 0, NULL
);
325 static NTSTATUS NTAPI
326 AfdDispatch(PDEVICE_OBJECT DeviceObject
, PIRP Irp
)
328 PIO_STACK_LOCATION IrpSp
= IoGetCurrentIrpStackLocation(Irp
);
329 NTSTATUS Status
= STATUS_SUCCESS
;
331 PFILE_OBJECT FileObject
= IrpSp
->FileObject
;
334 AFD_DbgPrint(MID_TRACE
,("AfdDispatch: %d\n", IrpSp
->MajorFunction
));
335 if( IrpSp
->MajorFunction
!= IRP_MJ_CREATE
) {
336 AFD_DbgPrint(MID_TRACE
,("FO %x, IrpSp->FO %x\n",
337 FileObject
, IrpSp
->FileObject
));
338 ASSERT(FileObject
== IrpSp
->FileObject
);
341 Irp
->IoStatus
.Information
= 0;
343 switch(IrpSp
->MajorFunction
)
345 /* opening and closing handles to the device */
347 /* Mostly borrowed from the named pipe file system */
348 return AfdCreateSocket(DeviceObject
, Irp
, IrpSp
);
351 /* Ditto the borrowing */
352 return AfdCloseSocket(DeviceObject
, Irp
, IrpSp
);
356 return AfdConnectedSocketWriteData( DeviceObject
, Irp
, IrpSp
, TRUE
);
360 return AfdConnectedSocketReadData( DeviceObject
, Irp
, IrpSp
, TRUE
);
362 case IRP_MJ_DEVICE_CONTROL
:
364 switch( IrpSp
->Parameters
.DeviceIoControl
.IoControlCode
) {
366 return AfdBindSocket( DeviceObject
, Irp
, IrpSp
);
368 case IOCTL_AFD_CONNECT
:
369 return AfdStreamSocketConnect( DeviceObject
, Irp
, IrpSp
);
371 case IOCTL_AFD_START_LISTEN
:
372 return AfdListenSocket( DeviceObject
, Irp
, IrpSp
);
375 return AfdConnectedSocketReadData( DeviceObject
, Irp
, IrpSp
,
378 case IOCTL_AFD_SELECT
:
379 return AfdSelect( DeviceObject
, Irp
, IrpSp
);
381 case IOCTL_AFD_EVENT_SELECT
:
382 return AfdEventSelect( DeviceObject
, Irp
, IrpSp
);
384 case IOCTL_AFD_ENUM_NETWORK_EVENTS
:
385 return AfdEnumEvents( DeviceObject
, Irp
, IrpSp
);
387 case IOCTL_AFD_RECV_DATAGRAM
:
388 return AfdPacketSocketReadData( DeviceObject
, Irp
, IrpSp
);
391 return AfdConnectedSocketWriteData( DeviceObject
, Irp
, IrpSp
,
394 case IOCTL_AFD_SEND_DATAGRAM
:
395 return AfdPacketSocketWriteData( DeviceObject
, Irp
, IrpSp
);
397 case IOCTL_AFD_GET_INFO
:
398 return AfdGetInfo( DeviceObject
, Irp
, IrpSp
);
400 case IOCTL_AFD_GET_CONTEXT
:
401 return AfdGetContext( DeviceObject
, Irp
, IrpSp
);
403 case IOCTL_AFD_SET_CONTEXT
:
404 return AfdSetContext( DeviceObject
, Irp
, IrpSp
);
406 case IOCTL_AFD_WAIT_FOR_LISTEN
:
407 return AfdWaitForListen( DeviceObject
, Irp
, IrpSp
);
409 case IOCTL_AFD_ACCEPT
:
410 return AfdAccept( DeviceObject
, Irp
, IrpSp
);
412 case IOCTL_AFD_DISCONNECT
:
413 return AfdDisconnect( DeviceObject
, Irp
, IrpSp
);
415 case IOCTL_AFD_GET_SOCK_NAME
:
416 return AfdGetSockName( DeviceObject
, Irp
, IrpSp
);
418 case IOCTL_AFD_GET_PEER_NAME
:
419 return AfdGetPeerName( DeviceObject
, Irp
, IrpSp
);
421 case IOCTL_AFD_GET_TDI_HANDLES
:
422 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_GET_TDI_HANDLES\n"));
425 case IOCTL_AFD_SET_INFO
:
426 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_SET_INFO\n"));
429 case IOCTL_AFD_SET_CONNECT_DATA
:
430 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_SET_CONNECT_DATA\n"));
433 case IOCTL_AFD_SET_CONNECT_OPTIONS
:
434 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_SET_CONNECT_OPTIONS\n"));
437 case IOCTL_AFD_SET_DISCONNECT_DATA
:
438 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_SET_DISCONNECT_DATA\n"));
441 case IOCTL_AFD_SET_DISCONNECT_OPTIONS
:
442 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_SET_DISCONNECT_OPTIONS\n"));
445 case IOCTL_AFD_GET_CONNECT_DATA
:
446 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_GET_CONNECT_DATA\n"));
449 case IOCTL_AFD_GET_CONNECT_OPTIONS
:
450 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_GET_CONNECT_OPTIONS\n"));
453 case IOCTL_AFD_GET_DISCONNECT_DATA
:
454 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_GET_DISCONNECT_DATA\n"));
457 case IOCTL_AFD_GET_DISCONNECT_OPTIONS
:
458 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_GET_DISCONNECT_OPTIONS\n"));
461 case IOCTL_AFD_SET_CONNECT_DATA_SIZE
:
462 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_SET_CONNECT_DATA_SIZE\n"));
465 case IOCTL_AFD_SET_CONNECT_OPTIONS_SIZE
:
466 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_SET_CONNECT_OPTIONS_SIZE\n"));
469 case IOCTL_AFD_SET_DISCONNECT_DATA_SIZE
:
470 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_SET_DISCONNECT_DATA_SIZE\n"));
473 case IOCTL_AFD_SET_DISCONNECT_OPTIONS_SIZE
:
474 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_SET_DISCONNECT_OPTIONS_SIZE\n"));
477 case IOCTL_AFD_DEFER_ACCEPT
:
478 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_DEFER_ACCEPT\n"));
481 case IOCTL_AFD_GET_PENDING_CONNECT_DATA
:
482 AFD_DbgPrint(MIN_TRACE
, ("IOCTL_AFD_GET_PENDING_CONNECT_DATA\n"));
486 Status
= STATUS_NOT_IMPLEMENTED
;
487 AFD_DbgPrint(MIN_TRACE
, ("Unknown IOCTL (0x%x)\n",
488 IrpSp
->Parameters
.DeviceIoControl
.
495 /* unsupported operations */
498 Status
= STATUS_NOT_IMPLEMENTED
;
499 AFD_DbgPrint(MIN_TRACE
,
500 ("Irp: Unknown Major code was %x\n",
501 IrpSp
->MajorFunction
));
506 AFD_DbgPrint(MID_TRACE
, ("Returning %x\n", Status
));
507 Irp
->IoStatus
.Status
= Status
;
508 IoCompleteRequest(Irp
, IO_NO_INCREMENT
);
514 AfdUnload(PDRIVER_OBJECT DriverObject
)
519 DriverEntry(PDRIVER_OBJECT DriverObject
, PUNICODE_STRING RegistryPath
)
521 PDEVICE_OBJECT DeviceObject
;
522 UNICODE_STRING wstrDeviceName
= RTL_CONSTANT_STRING(L
"\\Device\\Afd");
523 PAFD_DEVICE_EXTENSION DeviceExt
;
526 /* register driver routines */
527 DriverObject
->MajorFunction
[IRP_MJ_CLOSE
] = AfdDispatch
;
528 DriverObject
->MajorFunction
[IRP_MJ_CREATE
] = AfdDispatch
;
529 DriverObject
->MajorFunction
[IRP_MJ_WRITE
] = AfdDispatch
;
530 DriverObject
->MajorFunction
[IRP_MJ_READ
] = AfdDispatch
;
531 DriverObject
->MajorFunction
[IRP_MJ_DEVICE_CONTROL
] = AfdDispatch
;
532 DriverObject
->DriverUnload
= AfdUnload
;
534 Status
= IoCreateDevice
536 sizeof(AFD_DEVICE_EXTENSION
),
538 FILE_DEVICE_NAMED_PIPE
,
544 if(!NT_SUCCESS(Status
))
549 DeviceExt
= DeviceObject
->DeviceExtension
;
550 KeInitializeSpinLock( &DeviceExt
->Lock
);
551 InitializeListHead( &DeviceExt
->Polls
);
553 AFD_DbgPrint(MID_TRACE
,("Device created: object %x ext %x\n",
554 DeviceObject
, DeviceExt
));