[NTOS:EX] Implement NtSystemDebugControl: SysDbgGetAutoKdEnable/SysDbgSetAutoKdEnable

Author: hpoussin

ntoskrnl/ex/dbgctrl.c

@@ -291,7 +291,33 @@ NtSystemDebugControl(
                 break;
 
             case SysDbgGetAutoKdEnable:
+                if (OutputBufferLength != sizeof(BOOLEAN))
+                {
+                    Status = STATUS_INFO_LENGTH_MISMATCH;
+                }
+                else
+                {
+                    *(PBOOLEAN)OutputBuffer = KdAutoEnableOnEvent;
+                    Status = STATUS_SUCCESS;
+                }
+                break;
+
             case SysDbgSetAutoKdEnable:
+                if (InputBufferLength != sizeof(BOOLEAN))
+                {
+                    Status = STATUS_INFO_LENGTH_MISMATCH;
+                }
+                else if (KdPitchDebugger)
+                {
+                    Status = STATUS_ACCESS_DENIED;
+                }
+                else
+                {
+                    KdAutoEnableOnEvent = *(PBOOLEAN)InputBuffer;
+                    Status = STATUS_SUCCESS;
+                }
+                break;
+
             case SysDbgGetPrintBufferSize:
             case SysDbgSetPrintBufferSize:
             case SysDbgGetKdUmExceptionEnable: