* COPYRIGHT: 2005-2006 James Tabor
* 2011-2012 Michael Martin (michael.martin@reactos.org)
* 2011-2013 Johannes Anderwald (johannes.anderwald@reactos.org)
+ * 2017 Vadim Galyant
*/
#include "usbstor.h"
#include <debug.h>
+static
+BOOLEAN
+IsRequestValid(PIRP Irp)
+{
+ ULONG TransferLength;
+ PIO_STACK_LOCATION IoStack;
+ PSCSI_REQUEST_BLOCK Srb;
+
+ IoStack = IoGetCurrentIrpStackLocation(Irp);
+ Srb = IoStack->Parameters.Scsi.Srb;
+
+ if (Srb->SrbFlags & (SRB_FLAGS_DATA_IN | SRB_FLAGS_DATA_OUT))
+ {
+ if ((Srb->SrbFlags & SRB_FLAGS_UNSPECIFIED_DIRECTION) == SRB_FLAGS_UNSPECIFIED_DIRECTION)
+ {
+ DPRINT1("IsRequestValid: Invalid Srb. Srb->SrbFlags - %X\n", Srb->SrbFlags);
+ return FALSE;
+ }
+
+ TransferLength = Srb->DataTransferLength;
+
+ if (Irp->MdlAddress == NULL)
+ {
+ DPRINT1("IsRequestValid: Invalid Srb. Irp->MdlAddress == NULL\n");
+ return FALSE;
+ }
+
+ if (TransferLength == 0)
+ {
+ DPRINT1("IsRequestValid: Invalid Srb. TransferLength == 0\n");
+ return FALSE;
+ }
+
+ if (TransferLength > USBSTOR_DEFAULT_MAX_TRANSFER_LENGTH)
+ {
+ DPRINT1("IsRequestValid: Invalid Srb. TransferLength > 0x10000\n");
+ return FALSE;
+ }
+ }
+ else
+ {
+ if (Srb->DataTransferLength)
+ {
+ DPRINT1("IsRequestValid: Invalid Srb. Srb->DataTransferLength != 0\n");
+ return FALSE;
+ }
+
+ if (Srb->DataBuffer)
+ {
+ DPRINT1("IsRequestValid: Invalid Srb. Srb->DataBuffer != NULL\n");
+ return FALSE;
+ }
+
+ if (Irp->MdlAddress)
+ {
+ DPRINT1("IsRequestValid: Invalid Srb. Irp->MdlAddress != NULL\n");
+ return FALSE;
+ }
+ }
+
+ return TRUE;
+}
+
NTSTATUS
USBSTOR_HandleInternalDeviceControl(
IN PDEVICE_OBJECT DeviceObject,
{
DPRINT("SRB_FUNCTION_EXECUTE_SCSI\n");
- // check if request is valid
- if (Request->SrbFlags & (SRB_FLAGS_DATA_IN | SRB_FLAGS_DATA_OUT))
+ if (!IsRequestValid(Irp))
{
- // data is transferred with this irp
- if ((Request->SrbFlags & (SRB_FLAGS_DATA_IN | SRB_FLAGS_DATA_OUT)) == (SRB_FLAGS_DATA_IN | SRB_FLAGS_DATA_OUT) ||
- Request->DataTransferLength == 0 ||
- Irp->MdlAddress == NULL)
- {
- Status = STATUS_INVALID_PARAMETER;
- break;
- }
+ Status = STATUS_INVALID_PARAMETER;
+ break;
}
- else
+
+ if (Request->Cdb[0] == SCSIOP_MODE_SENSE)
{
- // sense buffer request
- if (Request->DataTransferLength || Request->DataBuffer || Irp->MdlAddress)
- {
- Status = STATUS_INVALID_PARAMETER;
- break;
- }
+ DPRINT("USBSTOR_Scsi: SRB_FUNCTION_EXECUTE_SCSI - FIXME SCSIOP_MODE_SENSE\n");
+ // FIXME Get from registry WriteProtect for StorageDevicePolicies;
+ // L"\\Registry\\Machine\\System\\CurrentControlSet\\Control\\StorageDevicePolicies"
+ // QueryTable[0].Name = L"WriteProtect"
}
+ IoMarkIrpPending(Irp);
+ Request->SrbStatus = SRB_STATUS_PENDING;
+
// add the request
if (!USBSTOR_QueueAddIrp(PDODeviceExtension->LowerDeviceObject, Irp))
{
// fill out descriptor
AdapterDescriptor->Version = sizeof(STORAGE_ADAPTER_DESCRIPTOR);
AdapterDescriptor->Size = sizeof(STORAGE_ADAPTER_DESCRIPTOR);
- AdapterDescriptor->MaximumTransferLength = MAXULONG; //FIXME compute some sane value
- AdapterDescriptor->MaximumPhysicalPages = 25; //FIXME compute some sane value
+ AdapterDescriptor->MaximumTransferLength = USBSTOR_DEFAULT_MAX_TRANSFER_LENGTH;
+ AdapterDescriptor->MaximumPhysicalPages = USBSTOR_DEFAULT_MAX_TRANSFER_LENGTH / PAGE_SIZE + 1; // See CORE-10515 and CORE-10755
AdapterDescriptor->AlignmentMask = 0;
AdapterDescriptor->AdapterUsesPio = FALSE;
AdapterDescriptor->AdapterScansDown = FALSE;
if (Capabilities)
{
- Capabilities->MaximumTransferLength = MAXULONG;
- Capabilities->MaximumPhysicalPages = 25;
+ Capabilities->MaximumTransferLength = USBSTOR_DEFAULT_MAX_TRANSFER_LENGTH;
+ Capabilities->MaximumPhysicalPages = USBSTOR_DEFAULT_MAX_TRANSFER_LENGTH / PAGE_SIZE + 1; // See CORE-10515 and CORE-10755
Capabilities->SupportedAsynchronousEvents = 0;
Capabilities->AlignmentMask = 0;
Capabilities->TaggedQueuing = FALSE;