]> Cypherpunks.ru repositories - pyderasn.git/blobdiff - pyderasn.py
Fix EOC repr under Py2
[pyderasn.git] / pyderasn.py
index 391ff9ea1b456f68d5f761b5be60089220b9d83b..188e2ac49e1ca06582d2fba6270515461f158940 100755 (executable)
@@ -603,6 +603,8 @@ TagClassReprs = {
 }
 EOC = b"\x00\x00"
 EOC_LEN = len(EOC)
+LENINDEF = b"\x80"  # length indefinite mark
+LENINDEF_PP_CHAR = "I" if PY2 else "∞"
 
 
 ########################################################################
@@ -1116,6 +1118,33 @@ class Obj(object):
     def expl_tlvlen(self):
         return self.expl_tlen + self.expl_llen + self.expl_vlen
 
+    def pps_lenindef(self, decode_path):
+        if self.lenindef:
+            yield _pp(
+                asn1_type_name="EOC",
+                obj_name="",
+                decode_path=decode_path,
+                offset=(
+                    self.offset + self.tlvlen -
+                    (EOC_LEN * 2 if self.expl_lenindef else EOC_LEN)
+                ),
+                tlen=1,
+                llen=1,
+                vlen=0,
+                bered=True,
+            )
+        if self.expl_lenindef:
+            yield _pp(
+                asn1_type_name="EOC",
+                obj_name="EXPLICIT",
+                decode_path=decode_path,
+                offset=self.expl_offset + self.expl_tlvlen - EOC_LEN,
+                tlen=1,
+                llen=1,
+                vlen=0,
+                bered=True,
+            )
+
 
 class DecodePathDefBy(object):
     """DEFINED BY representation inside decode path
@@ -1227,25 +1256,22 @@ def pp_console_row(
 ):
     cols = []
     if with_offsets:
-        col = "%5d%s" % (
+        col = "%5d%s%s" % (
             pp.offset,
             (
                 "  " if pp.expl_offset is None else
                 ("-%d" % (pp.offset - pp.expl_offset))
             ),
+            LENINDEF_PP_CHAR if pp.expl_lenindef else " ",
         )
         cols.append(_colorize(col, "red", with_colours, ()))
-        col = "[%d,%d,%4d]" % (pp.tlen, pp.llen, pp.vlen)
-        col = _colorize(col, "green", with_colours, ())
-        ber_deoffset = 0
-        if pp.expl_lenindef:
-            ber_deoffset += 2
-        if pp.lenindef:
-            ber_deoffset += 2
-        col += (
-            "  " if ber_deoffset == 0 else
-            _colorize(("-%d" % ber_deoffset), "red", with_colours)
+        col = "[%d,%d,%4d]%s" % (
+            pp.tlen,
+            pp.llen,
+            pp.vlen,
+            LENINDEF_PP_CHAR if pp.lenindef else " "
         )
+        col = _colorize(col, "green", with_colours, ())
         cols.append(col)
     if len(pp.decode_path) > 0:
         cols.append(" ." * (len(pp.decode_path)))
@@ -1299,7 +1325,7 @@ def pp_console_row(
 
 
 def pp_console_blob(pp):
-    cols = [" " * len("XXXXXYY [X,X,XXXX]YY")]
+    cols = [" " * len("XXXXXYYZ [X,X,XXXX]Z")]
     if len(pp.decode_path) > 0:
         cols.append(" ." * (len(pp.decode_path) + 1))
     if isinstance(pp.blob, binary_type):
@@ -1557,6 +1583,8 @@ class Boolean(Obj):
             expl_lenindef=self.expl_lenindef,
             bered=self.bered,
         )
+        for pp in self.pps_lenindef(decode_path):
+            yield pp
 
 
 class Integer(Obj):
@@ -1880,6 +1908,8 @@ class Integer(Obj):
             expl_vlen=self.expl_vlen if self.expled else None,
             expl_lenindef=self.expl_lenindef,
         )
+        for pp in self.pps_lenindef(decode_path):
+            yield pp
 
 
 class BitString(Obj):
@@ -2346,6 +2376,8 @@ class BitString(Obj):
             yield defined.pps(
                 decode_path=decode_path + (DecodePathDefBy(defined_by),)
             )
+        for pp in self.pps_lenindef(decode_path):
+            yield pp
 
 
 class OctetString(Obj):
@@ -2693,6 +2725,8 @@ class OctetString(Obj):
             yield defined.pps(
                 decode_path=decode_path + (DecodePathDefBy(defined_by),)
             )
+        for pp in self.pps_lenindef(decode_path):
+            yield pp
 
 
 class Null(Obj):
@@ -2825,6 +2859,8 @@ class Null(Obj):
             expl_vlen=self.expl_vlen if self.expled else None,
             expl_lenindef=self.expl_lenindef,
         )
+        for pp in self.pps_lenindef(decode_path):
+            yield pp
 
 
 class ObjectIdentifier(Obj):
@@ -3114,6 +3150,8 @@ class ObjectIdentifier(Obj):
             expl_vlen=self.expl_vlen if self.expled else None,
             expl_lenindef=self.expl_lenindef,
         )
+        for pp in self.pps_lenindef(decode_path):
+            yield pp
 
 
 class Enumerated(Integer):
@@ -3337,6 +3375,8 @@ class CommonString(OctetString):
             expl_vlen=self.expl_vlen if self.expled else None,
             expl_lenindef=self.expl_lenindef,
         )
+        for pp in self.pps_lenindef(decode_path):
+            yield pp
 
 
 class UTF8String(CommonString):
@@ -3534,6 +3574,8 @@ class UTCTime(CommonString):
             expl_vlen=self.expl_vlen if self.expled else None,
             expl_lenindef=self.expl_lenindef,
         )
+        for pp in self.pps_lenindef(decode_path):
+            yield pp
 
 
 class GeneralizedTime(UTCTime):
@@ -3868,6 +3910,8 @@ class Choice(Obj):
         )
         if self.ready:
             yield self.value.pps(decode_path=decode_path + (self.choice,))
+        for pp in self.pps_lenindef(decode_path):
+            yield pp
 
 
 class PrimitiveTypes(Choice):
@@ -4091,6 +4135,8 @@ class Any(Obj):
             yield defined.pps(
                 decode_path=decode_path + (DecodePathDefBy(defined_by),)
             )
+        for pp in self.pps_lenindef(decode_path):
+            yield pp
 
 
 ########################################################################
@@ -4194,7 +4240,7 @@ class Sequence(Obj):
         ("algorithm", ObjectIdentifier("1.2.3")),
         ("parameters", Any(Null()))
     ))
-    AlgorithmIdentifier SEQUENCE[OBJECT IDENTIFIER 1.2.3, ANY 0500 OPTIONAL]
+    AlgorithmIdentifier SEQUENCE[algorithm: OBJECT IDENTIFIER 1.2.3; parameters: ANY 0500 OPTIONAL]
 
     You can determine if value exists/set in the sequence and take its value:
 
@@ -4549,8 +4595,8 @@ class Sequence(Obj):
             _value = self._value.get(name)
             if _value is None:
                 continue
-            cols.append(repr(_value))
-        return "%s[%s]" % (value, ", ".join(cols))
+            cols.append("%s: %s" % (name, repr(_value)))
+        return "%s[%s]" % (value, "; ".join(cols))
 
     def pps(self, decode_path=()):
         yield _pp(
@@ -4577,6 +4623,8 @@ class Sequence(Obj):
             if value is None:
                 continue
             yield value.pps(decode_path=decode_path + (name,))
+        for pp in self.pps_lenindef(decode_path):
+            yield pp
 
 
 class Set(Sequence):
@@ -5006,6 +5054,8 @@ class SequenceOf(Obj):
         )
         for i, value in enumerate(self._value):
             yield value.pps(decode_path=decode_path + (str(i),))
+        for pp in self.pps_lenindef(decode_path):
+            yield pp
 
 
 class SetOf(SequenceOf):