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Windows Driver: Implement querying physical sector size of veraCrypt volume through IOCTL_STORAGE_QUERY_PROPERTY

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This commit is contained in:
Mounir IDRASSI
2015-05-03 08:43:10 +02:00
parent 0f2d32f011
commit 7d52dda67c
6 changed files with 153 additions and 6 deletions
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40
src/Driver/Ntdriver.c
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@@ -120,8 +120,8 @@ NTSTATUS DriverAddDevice (PDRIVER_OBJECT driverObject, PDEVICE_OBJECT pdo)
if (VolumeClassFilterRegistered && BootArgsValid && BootArgs.HiddenSystemPartitionStart != 0)
{
PWSTR interfaceLinks;
if (NT_SUCCESS (IoGetDeviceInterfaces (&GUID_DEVINTERFACE_VOLUME, pdo, DEVICE_INTERFACE_INCLUDE_NONACTIVE, &interfaceLinks)))
PWSTR interfaceLinks = NULL;
if (NT_SUCCESS (IoGetDeviceInterfaces (&GUID_DEVINTERFACE_VOLUME, pdo, DEVICE_INTERFACE_INCLUDE_NONACTIVE, &interfaceLinks)) && interfaceLinks)
{
if (interfaceLinks[0] != UNICODE_NULL)
{
@@ -628,6 +628,42 @@ NTSTATUS ProcessVolumeDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION
}
break;
case IOCTL_STORAGE_QUERY_PROPERTY:
if (ValidateIOBufferSize (Irp, sizeof (STORAGE_PROPERTY_QUERY), ValidateInput))
{
PSTORAGE_PROPERTY_QUERY pStoragePropQuery = (PSTORAGE_PROPERTY_QUERY) Irp->AssociatedIrp.SystemBuffer;
STORAGE_QUERY_TYPE type = pStoragePropQuery->QueryType;
if (type == PropertyExistsQuery)
{
if (pStoragePropQuery->PropertyId == StorageAccessAlignmentProperty)
{
Irp->IoStatus.Status = STATUS_SUCCESS;
Irp->IoStatus.Information = 0;
}
}
else if (type == PropertyStandardQuery)
{
if (pStoragePropQuery->PropertyId == StorageAccessAlignmentProperty)
{
if (ValidateIOBufferSize (Irp, sizeof (STORAGE_ACCESS_ALIGNMENT_DESCRIPTOR), ValidateOutput))
{
PSTORAGE_ACCESS_ALIGNMENT_DESCRIPTOR outputBuffer = (PSTORAGE_ACCESS_ALIGNMENT_DESCRIPTOR) Irp->AssociatedIrp.SystemBuffer;
outputBuffer->Version = sizeof(STORAGE_ACCESS_ALIGNMENT_DESCRIPTOR);
outputBuffer->Size = sizeof(STORAGE_ACCESS_ALIGNMENT_DESCRIPTOR);
outputBuffer->BytesPerLogicalSector = Extension->BytesPerSector;
outputBuffer->BytesPerPhysicalSector = Extension->HostBytesPerPhysicalSector;
outputBuffer->BytesOffsetForSectorAlignment = Extension->BytesOffsetForSectorAlignment;
Irp->IoStatus.Status = STATUS_SUCCESS;
Irp->IoStatus.Information = sizeof (STORAGE_ACCESS_ALIGNMENT_DESCRIPTOR);
}
}
}
}
break;
case IOCTL_DISK_GET_PARTITION_INFO:
if (ValidateIOBufferSize (Irp, sizeof (PARTITION_INFORMATION), ValidateOutput))
{