def test_parse_with_name_length_short_by_one(self):
server_name = SNIExtension()
p = Parser(bytearray(
b'\x00\x1c' + # length of array - 28 bytes
b'\x0a' + # type of entry - unassigned (10)
b'\x00\x0a' + # length of name - 10 bytes (short by one)
# UTF-8 encoding of example.org
b'\x65\x78\x61\x6d\x70\x6c\x65\x2e\x6f\x72\x67' +
b'\x00' + # type of entry - host_name (0)
b'\x00\x0b' + # length of name - 11 bytes
# UTF-8 encoding of example.com
b'\x65\x78\x61\x6d\x70\x6c\x65\x2e\x63\x6f\x6d'))
with self.assertRaises(SyntaxError):
server_name = server_name.parse(p)
server_name = SNIExtension()
p = Parser(bytearray(
b'\x00\x1c' + # length of array - 28 bytes
b'\x0a' + # type of entry - unassigned (10)
b'\x00\x0b' + # length of name - 11 bytes
# UTF-8 encoding of example.org
b'\x65\x78\x61\x6d\x70\x6c\x65\x2e\x6f\x72\x67' +
b'\x00' + # type of entry - host_name (0)
b'\x00\x0a' + # length of name - 10 bytes (short by one)
# UTF-8 encoding of example.com
b'\x65\x78\x61\x6d\x70\x6c\x65\x2e\x63\x6f\x6d'))
with self.assertRaises(SyntaxError):
server_name = server_name.parse(p)
def test_parse_with_name_length_short_by_one(self):
server_name = SNIExtension()
p = Parser(
bytearray(b'\x00\x1c' + # length of array - 28 bytes
b'\x0a' + # type of entry - unassigned (10)
b'\x00\x0a' + # length of name - 10 bytes (short by one)
# UTF-8 encoding of example.org
b'\x65\x78\x61\x6d\x70\x6c\x65\x2e\x6f\x72\x67' +
b'\x00' + # type of entry - host_name (0)
b'\x00\x0b' + # length of name - 11 bytes
# UTF-8 encoding of example.com
b'\x65\x78\x61\x6d\x70\x6c\x65\x2e\x63\x6f\x6d'))
with self.assertRaises(SyntaxError):
server_name = server_name.parse(p)
server_name = SNIExtension()
p = Parser(
bytearray(b'\x00\x1c' + # length of array - 28 bytes
b'\x0a' + # type of entry - unassigned (10)
b'\x00\x0b' + # length of name - 11 bytes
# UTF-8 encoding of example.org
b'\x65\x78\x61\x6d\x70\x6c\x65\x2e\x6f\x72\x67' +
b'\x00' + # type of entry - host_name (0)
b'\x00\x0a' + # length of name - 10 bytes (short by one)
# UTF-8 encoding of example.com
b'\x65\x78\x61\x6d\x70\x6c\x65\x2e\x63\x6f\x6d'))
with self.assertRaises(SyntaxError):
server_name = server_name.parse(p)
def tes_parse_with_invalid_data(self):
server_name = SNIExtension()
p = Parser(bytearray(b'\x00\x01'))
with self.assertRaises(SyntaxError):
server_name.parse(p)
def tes_parse_with_invalid_data(self):
server_name = SNIExtension()
p = Parser(bytearray(b'\x00\x01'))
with self.assertRaises(SyntaxError):
server_name.parse(p)
def test_parse_with_multiple_host_names(self):
server_name = SNIExtension()
p = Parser(bytearray(
b'\x00\x1c' + # length of array - 28 bytes
b'\x0a' + # type of entry - unassigned (10)
b'\x00\x0b' + # length of name - 11 bytes
# UTF-8 encoding of example.org
b'\x65\x78\x61\x6d\x70\x6c\x65\x2e\x6f\x72\x67' +
b'\x00' + # type of entry - host_name (0)
b'\x00\x0b' + # length of name - 11 bytes
# UTF-8 encoding of example.com
b'\x65\x78\x61\x6d\x70\x6c\x65\x2e\x63\x6f\x6d'))
server_name = server_name.parse(p)
self.assertEqual(bytearray(b'example.com'), server_name.host_names[0])
self.assertEqual(tuple([bytearray(b'example.com')]),
server_name.host_names)
SN = SNIExtension.ServerName
self.assertEqual([
SN(10, bytearray(b'example.org')),
SN(0, bytearray(b'example.com'))
], server_name.server_names)
def test_parse(self):
server_name = SNIExtension()
p = Parser(bytearray(0))
with self.assertRaises(SyntaxError):
server_name = server_name.parse(p)
def test_parse_with_multiple_hostNames(self):
server_name = SNIExtension()
p = Parser(
bytearray(b'\x00\x1c' + # length of array - 28 bytes
b'\x0a' + # type of entry - unassigned (10)
b'\x00\x0b' + # length of name - 11 bytes
# UTF-8 encoding of example.org
b'\x65\x78\x61\x6d\x70\x6c\x65\x2e\x6f\x72\x67' +
b'\x00' + # type of entry - host_name (0)
b'\x00\x0b' + # length of name - 11 bytes
# UTF-8 encoding of example.com
b'\x65\x78\x61\x6d\x70\x6c\x65\x2e\x63\x6f\x6d'))
server_name = server_name.parse(p)
self.assertEqual(bytearray(b'example.com'), server_name.hostNames[0])
self.assertEqual(tuple([bytearray(b'example.com')]),
server_name.hostNames)
SN = SNIExtension.ServerName
self.assertEqual([
SN(10, bytearray(b'example.org')),
SN(0, bytearray(b'example.com'))
], server_name.serverNames)
def test_parse(self):
server_name = SNIExtension()
p = Parser(bytearray(0))
with self.assertRaises(SyntaxError):
server_name = server_name.parse(p)
def test_parse_null_length_array(self):
server_name = SNIExtension()
p = Parser(bytearray(b'\x00\x00'))
server_name = server_name.parse(p)
self.assertEqual([], server_name.server_names)
def test_parse_null_length_array(self):
server_name = SNIExtension()
p = Parser(bytearray(b'\x00\x00'))
server_name = server_name.parse(p)
self.assertEqual([], server_name.serverNames)
def test_parse_of_server_side_version(self):
server_name = SNIExtension()
p = Parser(bytearray(0))
server_name = server_name.parse(p)
self.assertIsNone(server_name.serverNames)
def test_parse_of_server_side_version(self):
server_name = SNIExtension()
p = Parser(bytearray(0))
server_name = server_name.parse(p)
self.assertIsNone(server_name.serverNames)
def test_parse_with_array_length_short_by_one(self):
server_name = SNIExtension()
p = Parser(bytearray(
b'\x00\x0d' + # length of array (one too short)
b'\x00' + # type of entry - host_name (0)
b'\x00\x0b' + # length of name - 11 bytes
# UTF-8 encoding of example.com
b'\x65\x78\x61\x6d\x70\x6c\x65\x2e\x63\x6f\x6d'))
with self.assertRaises(SyntaxError):
server_name = server_name.parse(p)
def test_parse_with_array_length_short_by_one(self):
server_name = SNIExtension()
p = Parser(
bytearray(b'\x00\x0d' + # length of array (one too short)
b'\x00' + # type of entry - host_name (0)
b'\x00\x0b' + # length of name - 11 bytes
# UTF-8 encoding of example.com
b'\x65\x78\x61\x6d\x70\x6c\x65\x2e\x63\x6f\x6d'))
with self.assertRaises(SyntaxError):
server_name = server_name.parse(p)
def test_parse_with_host_name(self):
server_name = SNIExtension()
p = Parser(bytearray(
b'\x00\x0e' + # length of array
b'\x00' + # type of entry - host_name (0)
b'\x00\x0b' + # length of name - 11 bytes
# UTF-8 encoding of example.com
b'\x65\x78\x61\x6d\x70\x6c\x65\x2e\x63\x6f\x6d'))
server_name = server_name.parse(p)
self.assertEqual(bytearray(b'example.com'), server_name.host_names[0])
self.assertEqual(tuple([bytearray(b'example.com')]),
server_name.host_names)
def test_parse_with_host_name(self):
server_name = SNIExtension()
p = Parser(
bytearray(b'\x00\x0e' + # length of array
b'\x00' + # type of entry - host_name (0)
b'\x00\x0b' + # length of name - 11 bytes
# UTF-8 encoding of example.com
b'\x65\x78\x61\x6d\x70\x6c\x65\x2e\x63\x6f\x6d'))
server_name = server_name.parse(p)
self.assertEqual(bytearray(b'example.com'), server_name.hostNames[0])
self.assertEqual(tuple([bytearray(b'example.com')]),
server_name.hostNames)