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Windows Driver: Add IOCTL code to query RAM encryption status in VeraCrypt driver

This commit is contained in:
Mounir IDRASSI 2019-03-03 23:34:03 +01:00
parent 6d2cef1fd8
commit 5c934d8122
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GPG Key ID: 02C30AE90FAE4A6F
2 changed files with 13 additions and 0 deletions
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2
src/Common/Apidrvr.h
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@ -125,6 +125,8 @@
#define VC_IOCTL_EMERGENCY_CLEAR_ALL_KEYS TC_IOCTL (41)
#define VC_IOCTL_IS_RAM_ENCRYPTION_ENABLED TC_IOCTL (42)
// Legacy IOCTLs used before version 5.0
#define TC_IOCTL_LEGACY_GET_DRIVER_VERSION 466968
#define TC_IOCTL_LEGACY_GET_MOUNTED_VOLUMES 466948

11
src/Driver/Ntdriver.c
View File

@ -2796,6 +2796,15 @@ NTSTATUS ProcessMainDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION Ex
}
break;
case VC_IOCTL_IS_RAM_ENCRYPTION_ENABLED:
if (ValidateIOBufferSize (Irp, sizeof (int), ValidateOutput))
{
*(int *) Irp->AssociatedIrp.SystemBuffer = IsRamEncryptionEnabled() ? 1 : 0;
Irp->IoStatus.Information = sizeof (int);
Irp->IoStatus.Status = STATUS_SUCCESS;
}
break;
default:
return TCCompleteIrp (Irp, STATUS_INVALID_DEVICE_REQUEST, 0);
}
@ -3204,6 +3213,8 @@ LPWSTR TCTranslateCode (ULONG ulCode)
TC_CASE_RET_NAME (TC_IOCTL_WIPE_PASSWORD_CACHE);
TC_CASE_RET_NAME (TC_IOCTL_WRITE_BOOT_DRIVE_SECTOR);
TC_CASE_RET_NAME (VC_IOCTL_GET_DRIVE_GEOMETRY_EX);
TC_CASE_RET_NAME (VC_IOCTL_EMERGENCY_CLEAR_ALL_KEYS);
TC_CASE_RET_NAME (VC_IOCTL_IS_RAM_ENCRYPTION_ENABLED);
TC_CASE_RET_NAME (IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS);