Fix unknown attributes breaking packet init #107
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ERROR: testDecodePacketWithUnknownAttribute (tests.testPacket.PacketTests)
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Traceback (most recent call last):
File "tests/testPacket.py", line 337, in testDecodePacketWithUnknownAttribute
six.b('\x01\x02\x00\x1b1234567890123456\x09\x07value'))
File "/Users/user/pyrad/pyrad/packet.py", line 415, in DecodePacket
elif self.dict.attributes[self._DecodeKey(key)].type == 'tlv':
KeyError: 9
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Please rebase and resolve conflicts! |
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The Problem
Reading a raw RADIUS packet fails if a dictfile is supplied and any attributes in the packet are not in the dictionary. A KeyError is raised because of the logic testing the attribute as a 'tlv' attribute which expects a valid attribute object to exist in the dictionary.
Adds a test that exposed this problem.
Why This Solution
Adds a function to test if an attribute is a TLV attribute, which is just good code reuse are three places in packet.py that test for a TLV attribute. This function simply returns False if the attribute does not exist.
Also added a larger test case with a dictfile that reflects actual RADIUS attributes according to IANA, and a realistic packet containing fields that first exposed this is error in a production implementation using pyrad.