--- /dev/null
+# RADIUS DAS extensions to pyrad
+# Copyright (c) 2014, Jouni Malinen <j@w1.fi>
+#
+# This software may be distributed under the terms of the BSD license.
+# See README for more details.
+
+import hashlib
+import random
+import struct
+import pyrad.packet
+
+class DisconnectPacket(pyrad.packet.Packet):
+ def __init__(self, code=pyrad.packet.DisconnectRequest, id=None,
+ secret=None, authenticator=None, **attributes):
+ pyrad.packet.Packet.__init__(self, code, id, secret, authenticator,
+ **attributes)
+
+ def RequestPacket(self):
+ attr = self._PktEncodeAttributes()
+
+ if self.id is None:
+ self.id = random.randrange(0, 256)
+
+ header = struct.pack('!BBH', self.code, self.id, (20 + len(attr)))
+ self.authenticator = hashlib.md5(header[0:4] + 16 * b'\x00' + attr
+ + self.secret).digest()
+ return header + self.authenticator + attr
+
+class CoAPacket(pyrad.packet.Packet):
+ def __init__(self, code=pyrad.packet.CoARequest, id=None,
+ secret=None, authenticator=None, **attributes):
+ pyrad.packet.Packet.__init__(self, code, id, secret, authenticator,
+ **attributes)
+
+ def RequestPacket(self):
+ attr = self._PktEncodeAttributes()
+
+ if self.id is None:
+ self.id = random.randrange(0, 256)
+
+ header = struct.pack('!BBH', self.code, self.id, (20 + len(attr)))
+ self.authenticator = hashlib.md5(header[0:4] + 16 * b'\x00' + attr
+ + self.secret).digest()
+ return header + self.authenticator + attr