ASN.1 tells that *Time is VisibleString

[pyderasn.git] / pyderasn.py

diff --git a/pyderasn.py b/pyderasn.py
index 5adc5b068d17915f0c543144b66557b9fc355f30..9e94184cd2274311f8a445cea3acd8a1f698c237 100755 (executable)
--- a/pyderasn.py
+++ b/pyderasn.py
@@ -687,7 +687,7 @@ except ImportError:  # pragma: no cover
     def colored(what, *args, **kwargs):
         return what
 
-__version__ = "6.0"
+__version__ = "6.1"
 
 __all__ = (
     "Any",
@@ -3420,6 +3420,13 @@ ObjectIdentifierState = namedtuple("ObjectIdentifierState", (
 ))
 
 
+def pureint(value):
+    i = int(value)
+    if (value[0] in "+- ") or (value[-1] == " "):
+        raise ValueError("non-pure integer")
+    return i
+
+
 class ObjectIdentifier(Obj):
     """``OBJECT IDENTIFIER`` OID type
 
@@ -3497,7 +3504,7 @@ class ObjectIdentifier(Obj):
             return value._value
         if isinstance(value, string_types):
             try:
-                value = tuple(int(arc) for arc in value.split("."))
+                value = tuple(pureint(arc) for arc in value.split("."))
             except ValueError:
                 raise InvalidOID("unacceptable arcs values")
         if isinstance(value, tuple):
@@ -3511,6 +3518,8 @@ class ObjectIdentifier(Obj):
                 pass
             else:
                 raise InvalidOID("unacceptable first arc value")
+            if not all(arc >= 0 for arc in value):
+                raise InvalidOID("negative arc value")
             return value
         raise InvalidValueType((self.__class__, str, tuple))
 
@@ -4127,7 +4136,14 @@ LEN_YYYYMMDDHHMMSSDMZ = len("YYYYMMDDHHMMSSDMZ")
 LEN_YYYYMMDDHHMMSSZ = len("YYYYMMDDHHMMSSZ")
 
 
-class UTCTime(CommonString):
+class VisibleString(CommonString):
+    __slots__ = ()
+    tag_default = tag_encode(26)
+    encoding = "ascii"
+    asn1_type_name = "VisibleString"
+
+
+class UTCTime(VisibleString):
     """``UTCTime`` datetime type
 
     >>> t = UTCTime(datetime(2017, 9, 30, 22, 7, 50, 123))
@@ -4382,13 +4398,6 @@ class GraphicString(CommonString):
     asn1_type_name = "GraphicString"
 
 
-class VisibleString(CommonString):
-    __slots__ = ()
-    tag_default = tag_encode(26)
-    encoding = "ascii"
-    asn1_type_name = "VisibleString"
-
-
 class ISO646String(VisibleString):
     __slots__ = ()
     asn1_type_name = "ISO646String"