Public/winfsp
1
0
Fork 0
mirror of https://github.com/winfsp/winfsp.git synced 2025-06-14 15:52:47 -05:00
Code Issues Packages Projects Releases Wiki Activity

sys: WIP

Browse Source
This commit is contained in:
Bill Zissimopoulos
2015-11-24 16:54:10 -08:00
parent 869793ea69
commit 2d98e2a42d
2 changed files with 40 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
src/sys/fsctl.c
View File

@ -100,10 +100,11 @@ static NTSTATUS FspFsvrtDeleteVolume(
PDEVICE_OBJECT DeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp)
{
NTSTATUS Result;
FSP_FSVRT_DEVICE_EXTENSION *FsvrtDeviceExtension = FspFsvrtDeviceExtension(DeviceObject);
/* access check */
Result = FspSecuritySubjectContextAccessCheck(
FspFsvrtDeviceExtension(DeviceObject)->SecurityDescriptorBuf,
FILE_WRITE_DATA, Irp->RequestorMode);
FsvrtDeviceExtension->SecurityDescriptorBuf, FILE_WRITE_DATA, Irp->RequestorMode);
if (!NT_SUCCESS(Result))
return Result;
@ -113,12 +114,21 @@ static NTSTATUS FspFsvrtDeleteVolume(
static NTSTATUS FspFsvrtTransact(
PDEVICE_OBJECT DeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp)
{
/* check parameters */
ULONG InputBufferLength = IrpSp->Parameters.FileSystemControl.InputBufferLength;
ULONG OutputBufferLength = IrpSp->Parameters.FileSystemControl.OutputBufferLength;
PVOID SystemBuffer = Irp->AssociatedIrp.SystemBuffer;
if (sizeof(FSP_TRANSACT_RSP) > InputBufferLength || 0 == SystemBuffer)
return STATUS_INVALID_PARAMETER;
if (FSP_FSCTL_TRANSACT_BUFFER_SIZE > OutputBufferLength)
return STATUS_BUFFER_TOO_SMALL;
NTSTATUS Result;
FSP_FSVRT_DEVICE_EXTENSION *FsvrtDeviceExtension = FspFsvrtDeviceExtension(DeviceObject);
/* access check */
Result = FspSecuritySubjectContextAccessCheck(
FspFsvrtDeviceExtension(DeviceObject)->SecurityDescriptorBuf,
FILE_WRITE_DATA, Irp->RequestorMode);
FsvrtDeviceExtension->SecurityDescriptorBuf, FILE_WRITE_DATA, Irp->RequestorMode);
if (!NT_SUCCESS(Result))
return Result;