Beispiel #1
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 def test_as_bytes_fragment_too_long(self):
     """
     :py:func:`tls.record.TLSPlaintext` fails to construct a packet
     with a longer-than-allowed fragment.
     """
     plaintext = TLSPlaintext(type=enums.ContentType.HANDSHAKE,
                              version=ProtocolVersion(major=3, minor=3),
                              fragment=b'a' * 0xFFFF)
     with pytest.raises(ValidationError) as exc_info:
         plaintext.as_bytes()
     assert exc_info.value.args == ('invalid object', 0xFFFF)
Beispiel #2
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 def test_as_bytes_fragment_too_long(self):
     """
     :py:func:`tls.record.TLSPlaintext` fails to construct a packet
     with a longer-than-allowed fragment.
     """
     plaintext = TLSPlaintext(type=enums.ContentType.HANDSHAKE,
                              version=ProtocolVersion(major=3, minor=3),
                              fragment=b'a' * 0xFFFF)
     with pytest.raises(ValidationError) as exc_info:
         plaintext.as_bytes()
     assert exc_info.value.args == ('invalid object', 0xFFFF)
Beispiel #3
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 def test_incomplete_packet(self):
     """
     Reject an incomplete packet
     """
     packet = (
         b'\x16'  # type
         b'\x03'  # minor version
         b'\x00\x0A'  # big-endian length
         b'0123456789'  # fragment
     )
     with pytest.raises(FieldError) as exc_info:
         TLSPlaintext.from_bytes(packet)
     assert str(exc_info.value) == "expected 2608, found 9"
Beispiel #4
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 def test_incomplete_packet(self):
     """
     Reject an incomplete packet
     """
     packet = (
         b'\x16'  # type
         b'\x03'  # minor version
         b'\x00\x0A'  # big-endian length
         b'0123456789'  # fragment
     )
     with pytest.raises(FieldError) as exc_info:
         TLSPlaintext.from_bytes(packet)
     assert str(exc_info.value) == "expected 2608, found 9"
Beispiel #5
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 def test_not_enough_data_to_fragment(self):
     """
     Detect insufficient data to fragment.
     """
     packet = (
         b'\x16'  # type
         b'\x03'  # major version
         b'\x03'  # minor version
         b'\x00\x0A'  # big-endian length
         b'12'  # fragment
     )
     with pytest.raises(FieldError) as exc_info:
         TLSPlaintext.from_bytes(packet)
     assert str(exc_info.value) == "expected 10, found 2"
Beispiel #6
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 def test_parse_tls_plaintext_wrong_type(self):
     """
     Raise an error when the type is not one of those defined in
     :class:`enums.ContentType`.
     """
     packet = (
         b'\x1a'  # invalid type
         b'\x03'
         b'\x03'
         b'\x00\x0A'
         b'0123456789')
     with pytest.raises(ValueError) as exc_info:
         TLSPlaintext.from_bytes(packet)
     assert str(exc_info.value) == "26 is not a valid ContentType"
Beispiel #7
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 def test_not_enough_data_to_fragment(self):
     """
     Detect insufficient data to fragment.
     """
     packet = (
         b'\x16'  # type
         b'\x03'  # major version
         b'\x03'  # minor version
         b'\x00\x0A'  # big-endian length
         b'12'  # fragment
     )
     with pytest.raises(FieldError) as exc_info:
         TLSPlaintext.from_bytes(packet)
     assert str(exc_info.value) == "expected 10, found 2"
Beispiel #8
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 def test_parse_tls_plaintext_wrong_type(self):
     """
     Raise an error when the type is not one of those defined in ContentType
     """
     packet = (
         b'\x1a'  # invalid type
         b'\x03'
         b'\x03'
         b'\x00\x0A'
         b'0123456789'
     )
     with pytest.raises(ValueError) as exc_info:
         TLSPlaintext.from_bytes(packet)
     assert str(exc_info.value) == "26 is not a valid ContentType"
Beispiel #9
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 def test_parse_fragment_too_long(self):
     """
     :py:func:`tls.record.TLSPlaintext` fails to parse a packet
     containing a longer-than-allowed fragment.
     """
     packet = (
         b'\x16'  # type
         b'\x03'  # major version
         b'\x03'  # minor version
         b'\xff\xff' +  # big-endian length
         (b'a' * 0xFFFF)  # fragment
     )
     with pytest.raises(ValidationError) as exc_info:
         TLSPlaintext.from_bytes(packet)
     assert exc_info.value.args == ('invalid object', 0xFFFF)
Beispiel #10
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 def test_parse_fragment_too_long(self):
     """
     :py:func:`tls.record.TLSPlaintext` fails to parse a packet
     containing a longer-than-allowed fragment.
     """
     packet = (
         b'\x16'  # type
         b'\x03'  # major version
         b'\x03'  # minor version
         b'\xff\xff' +    # big-endian length
         (b'a' * 0xFFFF)  # fragment
     )
     with pytest.raises(ValidationError) as exc_info:
         TLSPlaintext.from_bytes(packet)
     assert exc_info.value.args == ('invalid object', 0xFFFF)
Beispiel #11
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 def test_as_bytes(self):
     """
     Construct a TLSPlaintext object as bytes.
     """
     packet = (
         b'\x16'  # type
         b'\x03'  # major version
         b'\x03'  # minor version
         b'\x00\x0A'  # big-endian length
         b'0123456789'  # fragment
     )
     record = TLSPlaintext.from_bytes(packet)
     assert record.as_bytes() == packet
Beispiel #12
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 def test_as_bytes(self):
     """
     Construct a TLSPlaintext object as bytes.
     """
     packet = (
         b'\x16'  # type
         b'\x03'  # major version
         b'\x03'  # minor version
         b'\x00\x0A'  # big-endian length
         b'0123456789'  # fragment
     )
     record = TLSPlaintext.from_bytes(packet)
     assert record.as_bytes() == packet
Beispiel #13
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 def test_parse_tls_plaintext_handshake(self):
     """
     :func:`parse_tls_plaintext` returns an instance of
     :class:`TLSPlaintext`, which has attributes representing all the fields
     in the TLSPlaintext struct.
     """
     packet = (
         b'\x16'  # type
         b'\x03'  # major version
         b'\x03'  # minor version
         b'\x00\x0A'  # big-endian length
         b'0123456789'  # fragment
     )
     record = TLSPlaintext.from_bytes(packet)
     assert record.type == enums.ContentType.HANDSHAKE
     assert record.version.major == 3
     assert record.version.minor == 3
     assert record.fragment == b'0123456789'
Beispiel #14
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 def test_parse_tls_plaintext_handshake(self):
     """
     :func:`parse_tls_plaintext` returns an instance of
     :class:`TLSPlaintext`, which has attributes representing all the fields
     in the TLSPlaintext struct.
     """
     packet = (
         b'\x16'  # type
         b'\x03'  # major version
         b'\x03'  # minor version
         b'\x00\x0A'  # big-endian length
         b'0123456789'  # fragment
     )
     record = TLSPlaintext.from_bytes(packet)
     assert record.type == enums.ContentType.HANDSHAKE
     assert record.version.major == 3
     assert record.version.minor == 3
     assert record.fragment == b'0123456789'