Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-02-24 17:34:57 +00:00
Code Issues Projects Releases Packages Wiki Activity

[NPFS]

Browse source 
Read and write IRPs must fail if the caller is not a pipe but a directory or a device.

svn path=/trunk/; revision=49945
This commit is contained in:
Eric Kohl 2010-12-04 08:54:16 +00:00
parent a3bba1d54a
commit fe0eda52aa
1 changed files with 25 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

31
reactos/drivers/filesystems/npfs/rw.c
View file

@ -307,6 +307,20 @@ NpfsRead(IN PDEVICE_OBJECT DeviceObject,
DPRINT("NpfsRead(DeviceObject %p, Irp %p)\n", DeviceObject, Irp);
FileObject = IoGetCurrentIrpStackLocation(Irp)->FileObject;
DPRINT("FileObject %p\n", FileObject);
DPRINT("Pipe name %wZ\n", &FileObject->FileName);
Ccb = FileObject->FsContext2;
/* Fail, if the CCB is not a pipe CCB */
if (Ccb->Type != CCB_PIPE)
{
DPRINT("Not a pipe!\n");
Status = STATUS_INVALID_PARAMETER;
Irp->IoStatus.Information = 0;
goto done;
}
if (Irp->MdlAddress == NULL)
{
DPRINT("Irp->MdlAddress == NULL\n");
@ -315,10 +329,6 @@ NpfsRead(IN PDEVICE_OBJECT DeviceObject,
goto done;
}
FileObject = IoGetCurrentIrpStackLocation(Irp)->FileObject;
DPRINT("FileObject %p\n", FileObject);
DPRINT("Pipe name %wZ\n", &FileObject->FileName);
Ccb = FileObject->FsContext2;
Context = (PNPFS_CONTEXT)&Irp->Tail.Overlay.DriverContext;
if ((Ccb->OtherSide) && (Ccb->OtherSide->PipeState == FILE_PIPE_DISCONNECTED_STATE) && (Ccb->PipeState == FILE_PIPE_DISCONNECTED_STATE))
@ -736,7 +746,7 @@ NpfsWrite(PDEVICE_OBJECT DeviceObject,
NTSTATUS Status = STATUS_SUCCESS;
ULONG Length;
ULONG Offset;
ULONG Information;
ULONG Information = 0;
ULONG CopyLength;
ULONG TempLength;
@ -748,12 +758,21 @@ NpfsWrite(PDEVICE_OBJECT DeviceObject,
DPRINT("Pipe name %wZ\n", &FileObject->FileName);
Ccb = FileObject->FsContext2;
/* Fail, if the CCB is not a pipe CCB */
if (Ccb->Type != CCB_PIPE)
{
DPRINT("Not a pipe!\n");
Status = STATUS_INVALID_PARAMETER;
Length = 0;
goto done;
}
ReaderCcb = Ccb->OtherSide;
Fcb = Ccb->Fcb;
Length = IoStack->Parameters.Write.Length;
Offset = IoStack->Parameters.Write.ByteOffset.u.LowPart;
Information = 0;
if (Irp->MdlAddress == NULL)
{