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sys: FileStatLxInformation and friends

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This commit is contained in:
Bill Zissimopoulos
2019-04-15 15:04:31 -07:00
parent 04b3675f12
commit ce83619728
7 changed files with 497 additions and 7 deletions
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64
src/sys/util.c
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@ -26,7 +26,10 @@ NTSTATUS FspGetDeviceObjectPointer(PUNICODE_STRING ObjectName, ACCESS_MASK Desir
PULONG PFileNameIndex, PFILE_OBJECT *PFileObject, PDEVICE_OBJECT *PDeviceObject);
NTSTATUS FspSendSetInformationIrp(PDEVICE_OBJECT DeviceObject, PFILE_OBJECT FileObject,
FILE_INFORMATION_CLASS FileInformationClass, PVOID FileInformation, ULONG Length);
static NTSTATUS FspSendSetInformationIrpCompletion(
NTSTATUS FspSendQueryEaIrp(PDEVICE_OBJECT DeviceObject, PFILE_OBJECT FileObject,
PFILE_GET_EA_INFORMATION GetEa, ULONG GetEaLength,
PFILE_FULL_EA_INFORMATION Ea, PULONG PEaLength);
static NTSTATUS FspSendIrpCompletion(
PDEVICE_OBJECT DeviceObject, PIRP Irp, PVOID Context0);
NTSTATUS FspBufferUserBuffer(PIRP Irp, ULONG Length, LOCK_OPERATION Operation);
NTSTATUS FspLockUserBuffer(PIRP Irp, ULONG Length, LOCK_OPERATION Operation);
@ -124,6 +127,7 @@ NTSTATUS FspIrpHookNext(PDEVICE_OBJECT DeviceObject, PIRP Irp, PVOID Context);
#pragma alloc_text(PAGE, FspCreateGuid)
#pragma alloc_text(PAGE, FspGetDeviceObjectPointer)
#pragma alloc_text(PAGE, FspSendSetInformationIrp)
#pragma alloc_text(PAGE, FspSendQueryEaIrp)
#pragma alloc_text(PAGE, FspBufferUserBuffer)
#pragma alloc_text(PAGE, FspLockUserBuffer)
#pragma alloc_text(PAGE, FspMapLockedPagesInUserMode)
@ -275,7 +279,7 @@ typedef struct
{
IO_STATUS_BLOCK IoStatus;
KEVENT Event;
} FSP_SEND_SET_INFORMATION_IRP_CONTEXT;
} FSP_SEND_IRP_CONTEXT;
NTSTATUS FspSendSetInformationIrp(PDEVICE_OBJECT DeviceObject, PFILE_OBJECT FileObject,
FILE_INFORMATION_CLASS FileInformationClass, PVOID FileInformation, ULONG Length)
@ -289,7 +293,7 @@ NTSTATUS FspSendSetInformationIrp(PDEVICE_OBJECT DeviceObject, PFILE_OBJECT File
NTSTATUS Result;
PIRP Irp;
PIO_STACK_LOCATION IrpSp;
FSP_SEND_SET_INFORMATION_IRP_CONTEXT Context;
FSP_SEND_IRP_CONTEXT Context;
if (0 == DeviceObject)
DeviceObject = IoGetRelatedDeviceObject(FileObject);
@ -304,9 +308,9 @@ NTSTATUS FspSendSetInformationIrp(PDEVICE_OBJECT DeviceObject, PFILE_OBJECT File
IrpSp->MajorFunction = IRP_MJ_SET_INFORMATION;
IrpSp->FileObject = FileObject;
IrpSp->Parameters.SetFile.FileInformationClass = FileInformationClass;
IrpSp->Parameters.SetFile.Length = FileInformationClass;
IrpSp->Parameters.SetFile.Length = Length;
IoSetCompletionRoutine(Irp, FspSendSetInformationIrpCompletion, &Context, TRUE, TRUE, TRUE);
IoSetCompletionRoutine(Irp, FspSendIrpCompletion, &Context, TRUE, TRUE, TRUE);
KeInitializeEvent(&Context.Event, NotificationEvent, FALSE);
Result = IoCallDriver(DeviceObject, Irp);
@ -316,12 +320,58 @@ NTSTATUS FspSendSetInformationIrp(PDEVICE_OBJECT DeviceObject, PFILE_OBJECT File
return NT_SUCCESS(Result) ? Context.IoStatus.Status : Result;
}
static NTSTATUS FspSendSetInformationIrpCompletion(
NTSTATUS FspSendQueryEaIrp(PDEVICE_OBJECT DeviceObject, PFILE_OBJECT FileObject,
PFILE_GET_EA_INFORMATION GetEa, ULONG GetEaLength,
PFILE_FULL_EA_INFORMATION Ea, PULONG PEaLength)
{
PAGED_CODE();
NTSTATUS Result;
PIRP Irp;
PIO_STACK_LOCATION IrpSp;
FSP_SEND_IRP_CONTEXT Context;
ULONG EaLength = *PEaLength;
*PEaLength = 0;
if (0 == DeviceObject)
DeviceObject = IoGetRelatedDeviceObject(FileObject);
Irp = IoAllocateIrp(DeviceObject->StackSize, FALSE);
if (0 == Irp)
return STATUS_INSUFFICIENT_RESOURCES;
IrpSp = IoGetNextIrpStackLocation(Irp);
Irp->RequestorMode = KernelMode;
Irp->AssociatedIrp.SystemBuffer = Ea;
IrpSp->MajorFunction = IRP_MJ_QUERY_EA;
IrpSp->FileObject = FileObject;
IrpSp->Parameters.QueryEa.Length = EaLength;
IrpSp->Parameters.QueryEa.EaList = GetEa;
IrpSp->Parameters.QueryEa.EaListLength = GetEaLength;
IoSetCompletionRoutine(Irp, FspSendIrpCompletion, &Context, TRUE, TRUE, TRUE);
KeInitializeEvent(&Context.Event, NotificationEvent, FALSE);
Result = IoCallDriver(DeviceObject, Irp);
if (STATUS_PENDING == Result)
KeWaitForSingleObject(&Context.Event, Executive, KernelMode, FALSE, 0);
if (!NT_SUCCESS(Result))
return Result;
if (NT_SUCCESS(Context.IoStatus.Status))
*PEaLength = (ULONG)Context.IoStatus.Information;
return Context.IoStatus.Status;
}
static NTSTATUS FspSendIrpCompletion(
PDEVICE_OBJECT DeviceObject, PIRP Irp, PVOID Context0)
{
// !PAGED_CODE();
FSP_SEND_SET_INFORMATION_IRP_CONTEXT *Context = Context0;
FSP_SEND_IRP_CONTEXT *Context = Context0;
Context->IoStatus = Irp->IoStatus;
KeSetEvent(&Context->Event, 1, FALSE);