/* FUNCTIONS *****************************************************************/
-static PNPFS_FCB
-NpfsFindPipe(PNPFS_DEVICE_EXTENSION DeviceExt,
+PNPFS_FCB
+NpfsFindPipe(PNPFS_VCB Vcb,
PUNICODE_STRING PipeName)
{
PLIST_ENTRY CurrentEntry;
PNPFS_FCB Fcb;
- CurrentEntry = DeviceExt->PipeListHead.Flink;
- while (CurrentEntry != &DeviceExt->PipeListHead)
+ CurrentEntry = Vcb->PipeListHead.Flink;
+ while (CurrentEntry != &Vcb->PipeListHead)
{
Fcb = CONTAINING_RECORD(CurrentEntry, NPFS_FCB, PipeListEntry);
if (RtlCompareUnicodeString(PipeName,
}
+static VOID
+NpfsOpenRootDirectory(PNPFS_FCB Fcb,
+ PFILE_OBJECT FileObject,
+ PIO_STATUS_BLOCK IoStatus)
+{
+ PNPFS_CCB Ccb;
+
+ DPRINT("NpfsOpenRootDirectory()\n");
+
+ Ccb = ExAllocatePool(NonPagedPool, sizeof(NPFS_CCB));
+ if (Ccb == NULL)
+ {
+ IoStatus->Status = STATUS_NO_MEMORY;
+ return;
+ }
+
+ Ccb->Type = CCB_DIRECTORY;
+ Ccb->Fcb = Fcb;
+
+ FileObject->FsContext = Fcb;
+ FileObject->FsContext2 = Ccb;
+
+ IoStatus->Information = FILE_OPENED;
+ IoStatus->Status = STATUS_SUCCESS;
+
+ return;
+}
+
+
NTSTATUS NTAPI
NpfsCreate(PDEVICE_OBJECT DeviceObject,
PIRP Irp)
{
PEXTENDED_IO_STACK_LOCATION IoStack;
+ PUNICODE_STRING FileName;
PFILE_OBJECT FileObject;
+ PFILE_OBJECT RelatedFileObject;
PNPFS_FCB Fcb;
PNPFS_CCB ClientCcb;
PNPFS_CCB ServerCcb = NULL;
- PNPFS_DEVICE_EXTENSION DeviceExt;
- BOOLEAN SpecialAccess;
+ PNPFS_VCB Vcb;
ACCESS_MASK DesiredAccess;
+ NTSTATUS Status;
DPRINT("NpfsCreate(DeviceObject %p Irp %p)\n", DeviceObject, Irp);
- DeviceExt = (PNPFS_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
+ Vcb = (PNPFS_VCB)DeviceObject->DeviceExtension;
IoStack = (PEXTENDED_IO_STACK_LOCATION)IoGetCurrentIrpStackLocation(Irp);
FileObject = IoStack->FileObject;
+ RelatedFileObject = FileObject->RelatedFileObject;
+ FileName = &FileObject->FileName;
DesiredAccess = IoStack->Parameters.CreatePipe.SecurityContext->DesiredAccess;
+
DPRINT("FileObject %p\n", FileObject);
DPRINT("FileName %wZ\n", &FileObject->FileName);
Irp->IoStatus.Information = 0;
- SpecialAccess = ((DesiredAccess & SPECIFIC_RIGHTS_ALL) == FILE_READ_ATTRIBUTES);
- if (SpecialAccess)
+ if (FileName->Length == 2 && FileName->Buffer[0] == L'\\' && RelatedFileObject == NULL)
{
- DPRINT("NpfsCreate() open client end for special use!\n");
+ DPRINT("Open the root directory\n");
+
+ NpfsOpenRootDirectory(Vcb->RootFcb,
+ FileObject,
+ &Irp->IoStatus);
+
+ Status = Irp->IoStatus.Status;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+ return Status;
}
+
/*
* Step 1. Find the pipe we're trying to open.
*/
- KeLockMutex(&DeviceExt->PipeListLock);
- Fcb = NpfsFindPipe(DeviceExt,
+ KeLockMutex(&Vcb->PipeListLock);
+ Fcb = NpfsFindPipe(Vcb,
&FileObject->FileName);
if (Fcb == NULL)
{
/* Not found, bail out with error. */
DPRINT("No pipe found!\n");
- KeUnlockMutex(&DeviceExt->PipeListLock);
+ KeUnlockMutex(&Vcb->PipeListLock);
Irp->IoStatus.Status = STATUS_OBJECT_NAME_NOT_FOUND;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_OBJECT_NAME_NOT_FOUND;
}
- KeUnlockMutex(&DeviceExt->PipeListLock);
+ KeUnlockMutex(&Vcb->PipeListLock);
/*
* Acquire the lock for CCB lists. From now on no modifications to the
return STATUS_NO_MEMORY;
}
+ ClientCcb->Type = CCB_PIPE;
ClientCcb->Thread = (struct ETHREAD *)Irp->Tail.Overlay.Thread;
ClientCcb->Fcb = Fcb;
ClientCcb->PipeEnd = FILE_PIPE_CLIENT_END;
ClientCcb->OtherSide = NULL;
- ClientCcb->PipeState = SpecialAccess ? 0 : FILE_PIPE_DISCONNECTED_STATE;
+// ClientCcb->PipeState = SpecialAccess ? 0 : FILE_PIPE_DISCONNECTED_STATE;
+ ClientCcb->PipeState = FILE_PIPE_DISCONNECTED_STATE;
InitializeListHead(&ClientCcb->ReadRequestListHead);
DPRINT("CCB: %p\n", ClientCcb);
ClientCcb->MaxDataLength = Fcb->OutboundQuota;
ExInitializeFastMutex(&ClientCcb->DataListLock);
KeInitializeEvent(&ClientCcb->ConnectEvent, SynchronizationEvent, FALSE);
- KeInitializeEvent(&ClientCcb->ReadEvent, SynchronizationEvent, FALSE);
- KeInitializeEvent(&ClientCcb->WriteEvent, SynchronizationEvent, FALSE);
+ KeInitializeEvent(&ClientCcb->ReadEvent, NotificationEvent, FALSE);
+ KeInitializeEvent(&ClientCcb->WriteEvent, NotificationEvent, FALSE);
/*
* Step 3. Search for listening server CCB.
*/
-
+/*
if (!SpecialAccess)
{
+*/
/*
* WARNING: Point of no return! Once we get the server CCB it's
* possible that we completed a wait request and so we have to
if (ClientCcb->Data)
{
ExFreePool(ClientCcb->Data);
- ClientCcb->Data = NULL;
}
+
+ ExFreePool(ClientCcb);
KeUnlockMutex(&Fcb->CcbListLock);
Irp->IoStatus.Status = STATUS_OBJECT_PATH_NOT_FOUND;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
/* FIXME: Merge this with the NpfsFindListeningServerInstance routine. */
NpfsSignalAndRemoveListeningServerInstance(Fcb, ServerCcb);
}
+/*
}
else if (IsListEmpty(&Fcb->ServerCcbListHead))
{
DPRINT("No server fcb found!\n");
+
+ if (ClientCcb->Data)
+ {
+ ExFreePool(ClientCcb->Data);
+ }
+
+ ExFreePool(ClientCcb);
+
KeUnlockMutex(&Fcb->CcbListLock);
Irp->IoStatus.Status = STATUS_UNSUCCESSFUL;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_UNSUCCESSFUL;
}
+*/
/*
* Step 4. Add the client CCB to a list and connect it if possible.
{
PEXTENDED_IO_STACK_LOCATION IoStack;
PFILE_OBJECT FileObject;
- PNPFS_DEVICE_EXTENSION DeviceExt;
+ PNPFS_VCB Vcb;
PNPFS_FCB Fcb;
PNPFS_CCB Ccb;
PNAMED_PIPE_CREATE_PARAMETERS Buffer;
DPRINT("NpfsCreateNamedPipe(DeviceObject %p Irp %p)\n", DeviceObject, Irp);
- DeviceExt = (PNPFS_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
+ Vcb = (PNPFS_VCB)DeviceObject->DeviceExtension;
IoStack = (PEXTENDED_IO_STACK_LOCATION)IoGetCurrentIrpStackLocation(Irp);
FileObject = IoStack->FileObject;
DPRINT("FileObject %p\n", FileObject);
return STATUS_NO_MEMORY;
}
+ Ccb->Type = CCB_PIPE;
Ccb->Thread = (struct ETHREAD *)Irp->Tail.Overlay.Thread;
- KeLockMutex(&DeviceExt->PipeListLock);
+ KeLockMutex(&Vcb->PipeListLock);
/*
* First search for existing Pipe with the same name.
*/
- Fcb = NpfsFindPipe(DeviceExt,
+ Fcb = NpfsFindPipe(Vcb,
&FileObject->FileName);
if (Fcb != NULL)
{
* Found Pipe with the same name. Check if we are
* allowed to use it.
*/
- KeUnlockMutex(&DeviceExt->PipeListLock);
+ KeUnlockMutex(&Vcb->PipeListLock);
if (Fcb->CurrentInstances >= Fcb->MaximumInstances)
{
Fcb = ExAllocatePool(NonPagedPool, sizeof(NPFS_FCB));
if (Fcb == NULL)
{
- KeUnlockMutex(&DeviceExt->PipeListLock);
+ KeUnlockMutex(&Vcb->PipeListLock);
ExFreePool(Ccb);
Irp->IoStatus.Status = STATUS_NO_MEMORY;
Irp->IoStatus.Information = 0;
return STATUS_NO_MEMORY;
}
+ Fcb->Type = FCB_PIPE;
+ Fcb->Vcb = Vcb;
Fcb->PipeName.Length = FileObject->FileName.Length;
Fcb->PipeName.MaximumLength = Fcb->PipeName.Length + sizeof(UNICODE_NULL);
Fcb->PipeName.Buffer = ExAllocatePool(NonPagedPool, Fcb->PipeName.MaximumLength);
if (Fcb->PipeName.Buffer == NULL)
{
- KeUnlockMutex(&DeviceExt->PipeListLock);
+ KeUnlockMutex(&Vcb->PipeListLock);
ExFreePool(Fcb);
ExFreePool(Ccb);
Irp->IoStatus.Status = STATUS_NO_MEMORY;
{
if (Buffer->InboundQuota == 0)
{
- Fcb->InboundQuota = DeviceExt->DefaultQuota;
+ Fcb->InboundQuota = Vcb->DefaultQuota;
}
else
{
Fcb->InboundQuota = PAGE_ROUND_UP(Buffer->InboundQuota);
- if (Fcb->InboundQuota < DeviceExt->MinQuota)
+ if (Fcb->InboundQuota < Vcb->MinQuota)
{
- Fcb->InboundQuota = DeviceExt->MinQuota;
+ Fcb->InboundQuota = Vcb->MinQuota;
}
- else if (Fcb->InboundQuota > DeviceExt->MaxQuota)
+ else if (Fcb->InboundQuota > Vcb->MaxQuota)
{
- Fcb->InboundQuota = DeviceExt->MaxQuota;
+ Fcb->InboundQuota = Vcb->MaxQuota;
}
}
}
{
if (Buffer->OutboundQuota == 0)
{
- Fcb->OutboundQuota = DeviceExt->DefaultQuota;
+ Fcb->OutboundQuota = Vcb->DefaultQuota;
}
else
{
Fcb->OutboundQuota = PAGE_ROUND_UP(Buffer->OutboundQuota);
- if (Fcb->OutboundQuota < DeviceExt->MinQuota)
+ if (Fcb->OutboundQuota < Vcb->MinQuota)
{
- Fcb->OutboundQuota = DeviceExt->MinQuota;
+ Fcb->OutboundQuota = Vcb->MinQuota;
}
- else if (Fcb->OutboundQuota > DeviceExt->MaxQuota)
+ else if (Fcb->OutboundQuota > Vcb->MaxQuota)
{
- Fcb->OutboundQuota = DeviceExt->MaxQuota;
+ Fcb->OutboundQuota = Vcb->MaxQuota;
}
}
}
Fcb->OutboundQuota = 0;
}
- InsertTailList(&DeviceExt->PipeListHead, &Fcb->PipeListEntry);
- KeUnlockMutex(&DeviceExt->PipeListLock);
+ InsertTailList(&Vcb->PipeListHead, &Fcb->PipeListEntry);
+ KeUnlockMutex(&Vcb->PipeListLock);
}
if (Fcb->InboundQuota)
if (NewPipe)
{
- KeLockMutex(&DeviceExt->PipeListLock);
+ KeLockMutex(&Vcb->PipeListLock);
RemoveEntryList(&Fcb->PipeListEntry);
- KeUnlockMutex(&DeviceExt->PipeListLock);
+ KeUnlockMutex(&Vcb->PipeListLock);
RtlFreeUnicodeString(&Fcb->PipeName);
ExFreePool(Fcb);
}
DPRINT("CCB: %p\n", Ccb);
KeInitializeEvent(&Ccb->ConnectEvent, SynchronizationEvent, FALSE);
- KeInitializeEvent(&Ccb->ReadEvent, SynchronizationEvent, FALSE);
- KeInitializeEvent(&Ccb->WriteEvent, SynchronizationEvent, FALSE);
+ KeInitializeEvent(&Ccb->ReadEvent, NotificationEvent, FALSE);
+ KeInitializeEvent(&Ccb->WriteEvent, NotificationEvent, FALSE);
KeLockMutex(&Fcb->CcbListLock);
InsertTailList(&Fcb->ServerCcbListHead, &Ccb->CcbListEntry);
NpfsCleanup(PDEVICE_OBJECT DeviceObject,
PIRP Irp)
{
- PNPFS_DEVICE_EXTENSION DeviceExt;
+ PNPFS_VCB Vcb;
PIO_STACK_LOCATION IoStack;
PFILE_OBJECT FileObject;
PNPFS_CCB Ccb, OtherSide;
DPRINT("NpfsCleanup(DeviceObject %p Irp %p)\n", DeviceObject, Irp);
IoStack = IoGetCurrentIrpStackLocation(Irp);
- DeviceExt = (PNPFS_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
+ Vcb = (PNPFS_VCB)DeviceObject->DeviceExtension;
FileObject = IoStack->FileObject;
Ccb = FileObject->FsContext2;
return STATUS_SUCCESS;
}
+ if (Ccb->Type == CCB_DIRECTORY)
+ {
+ DPRINT("Cleanup the root directory!\n");
+ Irp->IoStatus.Status = STATUS_SUCCESS;
+ Irp->IoStatus.Information = 0;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+ return STATUS_SUCCESS;
+ }
+
DPRINT("CCB %p\n", Ccb);
Fcb = Ccb->Fcb;
ExAcquireFastMutex(&OtherSide->DataListLock);
ExAcquireFastMutex(&Ccb->DataListLock);
}
- //OtherSide->PipeState = FILE_PIPE_DISCONNECTED_STATE;
OtherSide->OtherSide = NULL;
/*
* Signaling the write event. If is possible that an other
NpfsClose(PDEVICE_OBJECT DeviceObject,
PIRP Irp)
{
- PNPFS_DEVICE_EXTENSION DeviceExt;
PIO_STACK_LOCATION IoStack;
PFILE_OBJECT FileObject;
+ PNPFS_VCB Vcb;
PNPFS_FCB Fcb;
PNPFS_CCB Ccb;
BOOLEAN Server;
DPRINT("NpfsClose(DeviceObject %p Irp %p)\n", DeviceObject, Irp);
IoStack = IoGetCurrentIrpStackLocation(Irp);
- DeviceExt = (PNPFS_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
+ Vcb = (PNPFS_VCB)DeviceObject->DeviceExtension;
FileObject = IoStack->FileObject;
Ccb = FileObject->FsContext2;
return STATUS_SUCCESS;
}
+ if (Ccb->Type == CCB_DIRECTORY)
+ {
+ DPRINT("Closing the root directory!\n");
+
+ ExFreePool(Ccb);
+ FileObject->FsContext = NULL;
+ FileObject->FsContext2 = NULL;
+
+ Irp->IoStatus.Status = STATUS_SUCCESS;
+ Irp->IoStatus.Information = 0;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+ return STATUS_SUCCESS;
+ }
+
DPRINT("CCB %p\n", Ccb);
Fcb = Ccb->Fcb;
}
/* Disconnect the pipes */
- if (Ccb->OtherSide) Ccb->OtherSide->OtherSide = NULL;
- if (Ccb) Ccb->OtherSide = NULL;
+ if (Ccb->OtherSide)
+ {
+ Ccb->OtherSide->OtherSide = NULL;
+ Ccb->OtherSide = NULL;
+ }
ASSERT(Ccb->PipeState == FILE_PIPE_CLOSING_STATE);
IsListEmpty(&Fcb->ClientCcbListHead))
{
RtlFreeUnicodeString(&Fcb->PipeName);
- KeLockMutex(&DeviceExt->PipeListLock);
+ KeLockMutex(&Vcb->PipeListLock);
RemoveEntryList(&Fcb->PipeListEntry);
- KeUnlockMutex(&DeviceExt->PipeListLock);
+ KeUnlockMutex(&Vcb->PipeListLock);
ExFreePool(Fcb);
FileObject->FsContext = NULL;
}
projects / reactos.git / blobdiff