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45bb7d0c28
Since it is impossible to make openssl command line tool send TLSv1.3 Client Hello message, add a python based tool to perform TLS version intolerance scan
51 lines
2.0 KiB
Python
51 lines
2.0 KiB
Python
# Copyright (c) 2015 Hubert Kario
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# Released under Mozilla Public License Version 2.0
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try:
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import unittest2 as unittest
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except ImportError:
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import unittest
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from tlslite.messages import ClientHello
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from tlslite.extensions import SNIExtension, SupportedGroupsExtension, \
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ECPointFormatsExtension, NPNExtension, SignatureAlgorithmsExtension
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from tlslite.utils.codec import Parser
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from cscan.config import Firefox_42
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from cscan.extensions import RenegotiationExtension
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from cscan.constants import ExtensionType
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class TestFirefox(unittest.TestCase):
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def test_firefox_42(self):
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gen = Firefox_42()
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ch = gen(bytearray(b'example.com'))
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self.assertIsNotNone(ch)
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self.assertIsInstance(ch, ClientHello)
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self.assertEqual(len(ch.write()), 176)
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self.assertEqual(ch.client_version, (3, 3))
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self.assertEqual(gen.record_version, (3, 1))
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self.assertEqual(len(ch.cipher_suites), 11)
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self.assertIsInstance(ch.extensions[0], SNIExtension)
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self.assertEqual(ch.extensions[1].extType,
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ExtensionType.renegotiation_info)
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self.assertIsInstance(ch.extensions[2],
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SupportedGroupsExtension)
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self.assertIsInstance(ch.extensions[3],
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ECPointFormatsExtension)
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self.assertEqual(ch.extensions[4].extType,
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ExtensionType.session_ticket)
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# bug in tlslite-ng, removes NPN extensions from provided extensions
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#self.assertIsInstance(ch.extensions[5],
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# NPNExtension)
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self.assertEqual(ch.extensions[5].extType,
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ExtensionType.alpn)
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self.assertEqual(ch.extensions[6].extType,
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ExtensionType.status_request)
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self.assertIsInstance(ch.extensions[7],
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SignatureAlgorithmsExtension)
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self.assertEqual(ch.compression_methods, [0])
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if __name__ == "__main__":
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unittest.main()
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