fix issue 7

2014-12-02 16:07:33 +01:00
parent bd91093617
commit 9419bea9b0
1 changed files with 3 additions and 2 deletions
--- a/rdpy/network/type.py
+++ b/rdpy/network/type.py
@@ -463,8 +463,9 @@ class CompositeType(Type):
                if not self._readLen is None and readLen > self._readLen.value:
                    #roll back
                    s.pos -= sizeof(self.__dict__[name])
-                    #and notify
-                    raise InvalidSize("Impossible to read type %s : read length is too small"%(self.__class__))
+                    #and notify if not optional
+                    if not self.__dict__[name]._optional:
+                        raise InvalidSize("Impossible to read type %s : read length is too small"%(self.__class__))
                
            except Exception as e:
                log.error("Error during read %s::%s"%(self.__class__, name))