diff options
Diffstat (limited to 'src/Driver/Ntdriver.c')
| -rw-r--r-- | src/Driver/Ntdriver.c | 20 |
1 files changed, 1 insertions, 19 deletions
diff --git a/src/Driver/Ntdriver.c b/src/Driver/Ntdriver.c index e70c0463..7f00c9e0 100644 --- a/src/Driver/Ntdriver.c +++ b/src/Driver/Ntdriver.c @@ -1941,7 +1941,7 @@ NTSTATUS ProcessMainDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION Ex switch (irpSp->Parameters.DeviceIoControl.IoControlCode) { case TC_IOCTL_GET_DRIVER_VERSION: - case TC_IOCTL_LEGACY_GET_DRIVER_VERSION: + if (ValidateIOBufferSize (Irp, sizeof (LONG), ValidateOutput)) { LONG tmp = VERSION_NUM; @@ -2375,7 +2375,6 @@ NTSTATUS ProcessMainDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION Ex list->volumeType[ListExtension->nDosDriveNo] = PROP_VOL_TYPE_OUTER; // Normal/outer volume (hidden volume protected) else list->volumeType[ListExtension->nDosDriveNo] = PROP_VOL_TYPE_NORMAL; // Normal volume - list->truecryptMode[ListExtension->nDosDriveNo] = ListExtension->cryptoInfo->bTrueCryptMode; } } @@ -2384,21 +2383,6 @@ NTSTATUS ProcessMainDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION Ex } break; - case TC_IOCTL_LEGACY_GET_MOUNTED_VOLUMES: - if (ValidateIOBufferSize (Irp, sizeof (uint32), ValidateOutput)) - { - // Prevent the user from downgrading to versions lower than 5.0 by faking mounted volumes. - // The user could render the system unbootable by downgrading when boot encryption - // is active or being set up. - - memset (Irp->AssociatedIrp.SystemBuffer, 0, irpSp->Parameters.DeviceIoControl.OutputBufferLength); - *(uint32 *) Irp->AssociatedIrp.SystemBuffer = 0xffffFFFF; - - Irp->IoStatus.Status = STATUS_SUCCESS; - Irp->IoStatus.Information = irpSp->Parameters.DeviceIoControl.OutputBufferLength; - } - break; - case TC_IOCTL_GET_VOLUME_PROPERTIES: if (ValidateIOBufferSize (Irp, sizeof (VOLUME_PROPERTIES_STRUCT), ValidateInputOutput)) { @@ -2674,7 +2658,6 @@ NTSTATUS ProcessMainDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION Ex || mount->pkcs5_prf < 0 || mount->pkcs5_prf > LAST_PRF_ID || mount->VolumePim < -1 || mount->VolumePim == INT_MAX || mount->ProtectedHidVolPkcs5Prf < 0 || mount->ProtectedHidVolPkcs5Prf > LAST_PRF_ID - || (mount->bTrueCryptMode != FALSE && mount->bTrueCryptMode != TRUE) ) { Irp->IoStatus.Status = STATUS_INVALID_PARAMETER; @@ -2692,7 +2675,6 @@ NTSTATUS ProcessMainDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION Ex burn (&mount->ProtectedHidVolPassword, sizeof (mount->ProtectedHidVolPassword)); burn (&mount->pkcs5_prf, sizeof (mount->pkcs5_prf)); burn (&mount->VolumePim, sizeof (mount->VolumePim)); - burn (&mount->bTrueCryptMode, sizeof (mount->bTrueCryptMode)); burn (&mount->ProtectedHidVolPkcs5Prf, sizeof (mount->ProtectedHidVolPkcs5Prf)); burn (&mount->ProtectedHidVolPim, sizeof (mount->ProtectedHidVolPim)); } |