def test_write_with_multiple_hostnames(self):
server_name = SNIExtension()
server_name = server_name.create(host_names=[
bytearray(b'example.com'),
bytearray(b'example.org')])
self.assertEqual(bytearray(
b'\x00\x1c' + # lenght of array - 28 bytes
b'\x00' + # type of element - host_name (0)
b'\x00\x0b' + # length of element - 11 bytes
# utf-8 encoding of example.com
b'\x65\x78\x61\x6d\x70\x6c\x65\x2e\x63\x6f\x6d' +
b'\x00' + # type of elemnt - host_name (0)
b'\x00\x0b' + # length of elemnet - 11 bytes
# utf-8 encoding of example.org
b'\x65\x78\x61\x6d\x70\x6c\x65\x2e\x6f\x72\x67'
), server_name.ext_data)
self.assertEqual(bytearray(
b'\x00\x00' + # type of extension - SNI (0)
b'\x00\x1e' + # length of extension - 26 bytes
b'\x00\x1c' + # lenght of array - 24 bytes
b'\x00' + # type of element - host_name (0)
b'\x00\x0b' + # length of element - 11 bytes
# utf-8 encoding of example.com
b'\x65\x78\x61\x6d\x70\x6c\x65\x2e\x63\x6f\x6d' +
b'\x00' + # type of elemnt - host_name (0)
b'\x00\x0b' + # length of elemnet - 11 bytes
# utf-8 encoding of example.org
b'\x65\x78\x61\x6d\x70\x6c\x65\x2e\x6f\x72\x67'
), server_name.write())
def test_write_of_empty_extension(self):
server_name = SNIExtension()
self.assertEqual(bytearray(
b'\x00\x00' + # type of extension - SNI (0)
b'\x00\x00' # length of extension - 0 bytes
), server_name.write())
def test_write_with_multiple_hostnames(self):
server_name = SNIExtension()
server_name = server_name.create(
hostNames=[bytearray(b'example.com'),
bytearray(b'example.org')])
self.assertEqual(
bytearray(b'\x00\x1c' + # lenght of array - 28 bytes
b'\x00' + # type of element - host_name (0)
b'\x00\x0b' + # length of element - 11 bytes
# utf-8 encoding of example.com
b'\x65\x78\x61\x6d\x70\x6c\x65\x2e\x63\x6f\x6d' +
b'\x00' + # type of elemnt - host_name (0)
b'\x00\x0b' + # length of elemnet - 11 bytes
# utf-8 encoding of example.org
b'\x65\x78\x61\x6d\x70\x6c\x65\x2e\x6f\x72\x67'),
server_name.extData)
self.assertEqual(
bytearray(b'\x00\x00' + # type of extension - SNI (0)
b'\x00\x1e' + # length of extension - 26 bytes
b'\x00\x1c' + # lenght of array - 24 bytes
b'\x00' + # type of element - host_name (0)
b'\x00\x0b' + # length of element - 11 bytes
# utf-8 encoding of example.com
b'\x65\x78\x61\x6d\x70\x6c\x65\x2e\x63\x6f\x6d' +
b'\x00' + # type of elemnt - host_name (0)
b'\x00\x0b' + # length of elemnet - 11 bytes
# utf-8 encoding of example.org
b'\x65\x78\x61\x6d\x70\x6c\x65\x2e\x6f\x72\x67'),
server_name.write())
def test_write_of_empty_extension(self):
server_name = SNIExtension()
self.assertEqual(
bytearray(b'\x00\x00' + # type of extension - SNI (0)
b'\x00\x00' # length of extension - 0 bytes
),
server_name.write())
def test_write_of_empty_list_of_names(self):
server_name = SNIExtension()
server_name = server_name.create(server_names=[])
self.assertEqual(bytearray(
b'\x00\x00' # length of array - 0 bytes
), server_name.ext_data)
self.assertEqual(bytearray(
b'\x00\x00' + # type of extension - SNI 0
b'\x00\x02' + # length of extension - 2 bytes
b'\x00\x00' # length of array of names - 0 bytes
), server_name.write())
def test_write_of_empty_list_of_names(self):
server_name = SNIExtension()
server_name = server_name.create(serverNames=[])
self.assertEqual(
bytearray(b'\x00\x00' # length of array - 0 bytes
),
server_name.extData)
self.assertEqual(
bytearray(b'\x00\x00' + # type of extension - SNI 0
b'\x00\x02' + # length of extension - 2 bytes
b'\x00\x00' # length of array of names - 0 bytes
),
server_name.write())
def test_write(self):
server_name = SNIExtension()
server_name = server_name.create(bytearray(b'example.com'))
self.assertEqual(bytearray(
b'\x00\x0e' + # length of array - 14 bytes
b'\x00' + # type of element - host_name (0)
b'\x00\x0b' + # length of element - 11 bytes
# UTF-8 encoding of example.com
b'\x65\x78\x61\x6d\x70\x6c\x65\x2e\x63\x6f\x6d'
), server_name.ext_data)
self.assertEqual(bytearray(
b'\x00\x00' + # type of extension - SNI (0)
b'\x00\x10' + # length of extension - 16 bytes
b'\x00\x0e' + # length of array - 14 bytes
b'\x00' + # type of element - host_name (0)
b'\x00\x0b' + # length of element - 11 bytes
# UTF-8 encoding of example.com
b'\x65\x78\x61\x6d\x70\x6c\x65\x2e\x63\x6f\x6d'
), server_name.write())
def test_write(self):
server_name = SNIExtension()
server_name = server_name.create(bytearray(b'example.com'))
self.assertEqual(
bytearray(b'\x00\x0e' + # length of array - 14 bytes
b'\x00' + # type of element - host_name (0)
b'\x00\x0b' + # length of element - 11 bytes
# UTF-8 encoding of example.com
b'\x65\x78\x61\x6d\x70\x6c\x65\x2e\x63\x6f\x6d'),
server_name.extData)
self.assertEqual(
bytearray(b'\x00\x00' + # type of extension - SNI (0)
b'\x00\x10' + # length of extension - 16 bytes
b'\x00\x0e' + # length of array - 14 bytes
b'\x00' + # type of element - host_name (0)
b'\x00\x0b' + # length of element - 11 bytes
# UTF-8 encoding of example.com
b'\x65\x78\x61\x6d\x70\x6c\x65\x2e\x63\x6f\x6d'),
server_name.write())
