LONG TCP_IPIdentification = 0;
static BOOLEAN TCPInitialized = FALSE;
static NPAGED_LOOKASIDE_LIST TCPSegmentList;
-LIST_ENTRY SignalledConnections;
+LIST_ENTRY SignalledConnectionsList;
+KSPIN_LOCK SignalledConnectionsLock;
LIST_ENTRY SleepingThreadsList;
FAST_MUTEX SleepingThreadsLock;
RECURSIVE_MUTEX TCPLock;
PORT_SET TCPPorts;
-static VOID HandleSignalledConnection( PCONNECTION_ENDPOINT Connection,
- ULONG NewState ) {
+static VOID HandleSignalledConnection( PCONNECTION_ENDPOINT Connection ) {
NTSTATUS Status = STATUS_SUCCESS;
PTCP_COMPLETION_ROUTINE Complete;
PTDI_BUCKET Bucket;
PIRP Irp;
PMDL Mdl;
+ ASSERT_LOCKED(&TCPLock);
+
TI_DbgPrint(MID_TRACE,("Handling signalled state on %x (%x)\n",
Connection, Connection->SocketContext));
+ if( Connection->SignalState & SEL_FIN ) {
+ TI_DbgPrint(DEBUG_TCP, ("EOF From socket\n"));
+
+ while ((Entry = ExInterlockedRemoveHeadList( &Connection->ReceiveRequest,
+ &Connection->Lock )) != NULL)
+ {
+ Bucket = CONTAINING_RECORD( Entry, TDI_BUCKET, Entry );
+ Complete = Bucket->Request.RequestNotifyObject;
+
+ Complete( Bucket->Request.RequestContext, STATUS_CANCELLED, 0 );
+
+ exFreePool(Bucket);
+ }
+
+ while ((Entry = ExInterlockedRemoveHeadList( &Connection->SendRequest,
+ &Connection->Lock )) != NULL)
+ {
+ Bucket = CONTAINING_RECORD( Entry, TDI_BUCKET, Entry );
+ Complete = Bucket->Request.RequestNotifyObject;
+
+ Complete( Bucket->Request.RequestContext, STATUS_CANCELLED, 0 );
+
+ exFreePool(Bucket);
+ }
+
+ while ((Entry = ExInterlockedRemoveHeadList( &Connection->ListenRequest,
+ &Connection->Lock )) != NULL)
+ {
+ Bucket = CONTAINING_RECORD( Entry, TDI_BUCKET, Entry );
+ Complete = Bucket->Request.RequestNotifyObject;
+
+ /* We have to notify oskittcp of the abortion */
+ TCPAbortListenForSocket(Connection->AddressFile->Listener,
+ Connection);
+
+ Complete( Bucket->Request.RequestContext, STATUS_CANCELLED, 0 );
+
+ exFreePool(Bucket);
+ }
+
+ while ((Entry = ExInterlockedRemoveHeadList( &Connection->ConnectRequest,
+ &Connection->Lock )) != NULL)
+ {
+ Bucket = CONTAINING_RECORD( Entry, TDI_BUCKET, Entry );
+ Complete = Bucket->Request.RequestNotifyObject;
+
+ Complete( Bucket->Request.RequestContext, STATUS_CANCELLED, 0 );
+
+ exFreePool(Bucket);
+ }
+
+ Connection->SignalState = 0;
+ }
+
/* Things that can happen when we try the initial connection */
- if( NewState & SEL_CONNECT ) {
+ if( Connection->SignalState & SEL_CONNECT ) {
while( (Entry = ExInterlockedRemoveHeadList( &Connection->ConnectRequest,
&Connection->Lock )) != NULL ) {
TI_DbgPrint(DEBUG_TCP,
("Completing Request %x\n", Bucket->Request.RequestContext));
- if( (NewState & (SEL_CONNECT | SEL_FIN)) ==
- (SEL_CONNECT | SEL_FIN) )
- Status = STATUS_CONNECTION_REFUSED;
- else
- Status = STATUS_SUCCESS;
-
- Complete( Bucket->Request.RequestContext, Status, 0 );
+ Complete( Bucket->Request.RequestContext, STATUS_SUCCESS, 0 );
/* Frees the bucket allocated in TCPConnect */
exFreePool( Bucket );
}
}
- if( NewState & SEL_ACCEPT ) {
+ if( Connection->SignalState & SEL_ACCEPT ) {
/* Handle readable on a listening socket --
* TODO: Implement filtering
*/
}
/* Things that happen after we're connected */
- if( NewState & SEL_READ ) {
+ if( Connection->SignalState & SEL_READ ) {
TI_DbgPrint(DEBUG_TCP,("Readable: irp list %s\n",
IsListEmpty(&Connection->ReceiveRequest) ?
"empty" : "nonempty"));
}
}
}
- if( NewState & SEL_WRITE ) {
+ if( Connection->SignalState & SEL_WRITE ) {
TI_DbgPrint(DEBUG_TCP,("Writeable: irp list %s\n",
IsListEmpty(&Connection->SendRequest) ?
"empty" : "nonempty"));
}
}
- if( NewState & SEL_FIN ) {
- TI_DbgPrint(DEBUG_TCP, ("EOF From socket\n"));
-
- while ((Entry = ExInterlockedRemoveHeadList( &Connection->ReceiveRequest,
- &Connection->Lock )) != NULL)
- {
- DISCONNECT_TYPE DisType;
- PIO_STACK_LOCATION IrpSp;
- Bucket = CONTAINING_RECORD( Entry, TDI_BUCKET, Entry );
- Complete = Bucket->Request.RequestNotifyObject;
- IrpSp = IoGetCurrentIrpStackLocation((PIRP)Bucket->Request.RequestContext);
-
- /* We have to notify oskittcp of the abortion */
- DisType.Type = TDI_DISCONNECT_RELEASE | TDI_DISCONNECT_ABORT;
- DisType.Context = Connection;
- DisType.Irp = (PIRP)Bucket->Request.RequestContext;
- DisType.FileObject = IrpSp->FileObject;
-
- ChewCreate(NULL, sizeof(DISCONNECT_TYPE),
- DispDoDisconnect, &DisType);
- }
-
- while ((Entry = ExInterlockedRemoveHeadList( &Connection->SendRequest,
- &Connection->Lock )) != NULL)
- {
- DISCONNECT_TYPE DisType;
- PIO_STACK_LOCATION IrpSp;
- Bucket = CONTAINING_RECORD( Entry, TDI_BUCKET, Entry );
- Complete = Bucket->Request.RequestNotifyObject;
- IrpSp = IoGetCurrentIrpStackLocation((PIRP)Bucket->Request.RequestContext);
-
- /* We have to notify oskittcp of the abortion */
- DisType.Type = TDI_DISCONNECT_RELEASE;
- DisType.Context = Connection;
- DisType.Irp = (PIRP)Bucket->Request.RequestContext;
- DisType.FileObject = IrpSp->FileObject;
-
- ChewCreate(NULL, sizeof(DISCONNECT_TYPE),
- DispDoDisconnect, &DisType);
- }
-
- while ((Entry = ExInterlockedRemoveHeadList( &Connection->ListenRequest,
- &Connection->Lock )) != NULL)
- {
- Bucket = CONTAINING_RECORD( Entry, TDI_BUCKET, Entry );
- Complete = Bucket->Request.RequestNotifyObject;
-
- /* We have to notify oskittcp of the abortion */
- TCPAbortListenForSocket(Connection->AddressFile->Listener,
- Connection);
-
- Complete( Bucket->Request.RequestContext, STATUS_CANCELLED, 0 );
- }
-
- while ((Entry = ExInterlockedRemoveHeadList( &Connection->ConnectRequest,
- &Connection->Lock )) != NULL)
- {
- Bucket = CONTAINING_RECORD( Entry, TDI_BUCKET, Entry );
- Complete = Bucket->Request.RequestNotifyObject;
-
- Complete( Bucket->Request.RequestContext, STATUS_CANCELLED, 0 );
- }
- }
-
+ Connection->SignalState = 0;
Connection->Signalled = FALSE;
}
PCONNECTION_ENDPOINT Connection;
PLIST_ENTRY ListEntry;
- while( !IsListEmpty( &SignalledConnections ) ) {
- ListEntry = RemoveHeadList( &SignalledConnections );
+ while( (ListEntry = ExInterlockedRemoveHeadList(&SignalledConnectionsList,
+ &SignalledConnectionsLock)) != NULL) {
Connection = CONTAINING_RECORD( ListEntry, CONNECTION_ENDPOINT,
SignalList );
- HandleSignalledConnection( Connection, Connection->SignalState );
+ HandleSignalledConnection( Connection );
}
}
UINT Family, UINT Type, UINT Proto ) {
NTSTATUS Status;
+ ASSERT_LOCKED(&TCPLock);
+
TI_DbgPrint(DEBUG_TCP,("Called: Connection %x, Family %d, Type %d, "
"Proto %d\n",
Connection, Family, Type, Proto));
TcpipRecursiveMutexInit( &TCPLock );
ExInitializeFastMutex( &SleepingThreadsLock );
+ KeInitializeSpinLock( &SignalledConnectionsLock );
InitializeListHead( &SleepingThreadsList );
- InitializeListHead( &SignalledConnections );
+ InitializeListHead( &SignalledConnectionsList );
Status = TCPMemStartup();
if ( ! NT_SUCCESS(Status) ) {
return Status;
return Status;
}
+ TcpipRecursiveMutexEnter(&TCPLock, TRUE);
RegisterOskitTCPEventHandlers( &EventHandlers );
InitOskitTCP();
+ TcpipRecursiveMutexLeave(&TCPLock);
/* Register this protocol with IP layer */
IPRegisterProtocol(IPPROTO_TCP, TCPReceive);
NULL, /* Free routine */
0, /* Flags */
sizeof(TCP_SEGMENT), /* Size of each entry */
- TAG('T','C','P','S'), /* Tag */
+ 'SPCT', /* Tag */
0); /* Depth */
StartTimer();
}
NTSTATUS TCPTranslateError( int OskitError ) {
- NTSTATUS Status = STATUS_UNSUCCESSFUL;
+ NTSTATUS Status;
switch( OskitError ) {
case 0: Status = STATUS_SUCCESS; break;
- case OSK_EADDRNOTAVAIL:
+ case OSK_EADDRNOTAVAIL: Status = STATUS_INVALID_ADDRESS; break;
case OSK_EAFNOSUPPORT: Status = STATUS_INVALID_CONNECTION; break;
case OSK_ECONNREFUSED:
case OSK_ECONNRESET: Status = STATUS_REMOTE_NOT_LISTENING; break;
- case OSK_EINPROGRESS:
- case OSK_EAGAIN: Status = STATUS_PENDING; break;
- default: Status = STATUS_INVALID_CONNECTION; break;
+ case OSK_EWOULDBLOCK:
+ case OSK_EINPROGRESS: Status = STATUS_PENDING; break;
+ case OSK_EINVAL: Status = STATUS_INVALID_PARAMETER; break;
+ case OSK_ENOMEM:
+ case OSK_ENOBUFS: Status = STATUS_INSUFFICIENT_RESOURCES; break;
+ case OSK_ESHUTDOWN: Status = STATUS_FILE_CLOSED; break;
+ case OSK_EMSGSIZE: Status = STATUS_BUFFER_TOO_SMALL; break;
+ case OSK_ETIMEDOUT: Status = STATUS_TIMEOUT; break;
+ case OSK_ENETUNREACH: Status = STATUS_NETWORK_UNREACHABLE; break;
+ case OSK_EFAULT: Status = STATUS_ACCESS_VIOLATION; break;
+ default:
+ DbgPrint("OskitTCP returned unhandled error code: %d\n", OskitError);
+ Status = STATUS_INVALID_CONNECTION;
+ break;
}
TI_DbgPrint(DEBUG_TCP,("Error %d -> %x\n", OskitError, Status));
TI_DbgPrint(DEBUG_TCP,("TCPConnect: Called\n"));
+ ASSERT_LOCKED(&TCPLock);
+
Status = AddrBuildAddress
((PTRANSPORT_ADDRESS)ConnInfo->RemoteAddress,
&RemoteAddress,
Status = TCPTranslateError
( OskitTCPBind( Connection->SocketContext,
- Connection,
&AddressToBind,
sizeof(AddressToBind) ) );
PTDI_CONNECTION_INFORMATION ReturnInfo,
PTCP_COMPLETION_ROUTINE Complete,
PVOID Context ) {
- NTSTATUS Status;
+ NTSTATUS Status = STATUS_INVALID_PARAMETER;
- TI_DbgPrint(DEBUG_TCP,("started\n"));
+ ASSERT_LOCKED(&TCPLock);
- switch( Flags & (TDI_DISCONNECT_ABORT | TDI_DISCONNECT_RELEASE) ) {
- case 0:
- case TDI_DISCONNECT_ABORT:
- Flags = 0;
- break;
+ TI_DbgPrint(DEBUG_TCP,("started\n"));
- case TDI_DISCONNECT_ABORT | TDI_DISCONNECT_RELEASE:
- Flags = 2;
- break;
+ if (Flags & TDI_DISCONNECT_RELEASE)
+ Status = TCPTranslateError(OskitTCPDisconnect(Connection->SocketContext));
- case TDI_DISCONNECT_RELEASE:
- Flags = 1;
- break;
- }
-
- Status = TCPTranslateError
- ( OskitTCPShutdown( Connection->SocketContext, Flags ) );
+ if ((Flags & TDI_DISCONNECT_ABORT) || !Flags)
+ Status = TCPTranslateError(OskitTCPShutdown(Connection->SocketContext, FWRITE | FREAD));
TI_DbgPrint(DEBUG_TCP,("finished %x\n", Status));
TI_DbgPrint(DEBUG_TCP,("TCPClose started\n"));
+ ASSERT_LOCKED(&TCPLock);
+
/* Make our code remove all pending IRPs */
Connection->State |= SEL_FIN;
DrainSignals();
Status = TCPTranslateError( OskitTCPClose( Connection->SocketContext ) );
+ if (Status == STATUS_SUCCESS)
+ Connection->SocketContext = NULL;
TI_DbgPrint(DEBUG_TCP,("TCPClose finished %x\n", Status));
TI_DbgPrint(DEBUG_TCP,("Called for %d bytes (on socket %x)\n",
ReceiveLength, Connection->SocketContext));
+ ASSERT_LOCKED(&TCPLock);
+
ASSERT_KM_POINTER(Connection->SocketContext);
/* Closing */
NTSTATUS Status;
PTDI_BUCKET Bucket;
+ ASSERT_LOCKED(&TCPLock);
+
TI_DbgPrint(DEBUG_TCP,("Called for %d bytes (on socket %x)\n",
SendLength, Connection->SocketContext));
OSK_UINT LocalAddress, RemoteAddress;
OSK_UI16 LocalPort, RemotePort;
PTA_IP_ADDRESS AddressIP = (PTA_IP_ADDRESS)Address;
+ NTSTATUS Status;
- OskitTCPGetAddress
- ( Connection->SocketContext,
- &LocalAddress, &LocalPort,
- &RemoteAddress, &RemotePort );
+ ASSERT_LOCKED(&TCPLock);
+
+ Status = TCPTranslateError(OskitTCPGetAddress(Connection->SocketContext,
+ &LocalAddress, &LocalPort,
+ &RemoteAddress, &RemotePort));
+ if (!NT_SUCCESS(Status))
+ return Status;
AddressIP->TAAddressCount = 1;
AddressIP->Address[0].AddressLength = TDI_ADDRESS_LENGTH_IP;
AddressIP->Address[0].Address[0].sin_port = GetRemote ? RemotePort : LocalPort;
AddressIP->Address[0].Address[0].in_addr = GetRemote ? RemoteAddress : LocalAddress;
- return STATUS_SUCCESS;
+ return Status;
}
VOID TCPRemoveIRP( PCONNECTION_ENDPOINT Endpoint, PIRP Irp ) {
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