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| author | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2015-05-03 08:43:10 +0200 |
|---|---|---|
| committer | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2015-05-03 15:47:29 +0200 |
| commit | 7d52dda67c370de7d615678b61920c822eeb7142 (patch) | |
| tree | 72157105bee4c38b6ae13ce9b6bd52474d1a3b4d /src/Driver/Ntdriver.c | |
| parent | 0f2d32f01145f82fa83806e08ddde6cdce8a496d (diff) | |
| download | VeraCrypt-7d52dda67c370de7d615678b61920c822eeb7142.tar.gz VeraCrypt-7d52dda67c370de7d615678b61920c822eeb7142.zip | |
Windows Driver: Implement querying physical sector size of veraCrypt volume through IOCTL_STORAGE_QUERY_PROPERTY
Diffstat (limited to 'src/Driver/Ntdriver.c')
| -rw-r--r-- | src/Driver/Ntdriver.c | 40 |
1 files changed, 38 insertions, 2 deletions
diff --git a/src/Driver/Ntdriver.c b/src/Driver/Ntdriver.c index 86f3d9eb..402301c3 100644 --- a/src/Driver/Ntdriver.c +++ b/src/Driver/Ntdriver.c @@ -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))
{
|