def _processNetInfo(self, cell):
'''Process an incoming cell when we're in V3State.EXPECT_NETINFO
state.
Build and return our own NetInfoCell to write to this connection
and finish off the handshake on success.
.. note:: See tor-spec Section 4.5 for more details.
:returns: oppy.cell.NetInfoCell
'''
# XXX do we need to verify that the address the OR claims in its
# NetInfo cell matches what we think it is or do anything else
# with the remote address(es) we get?
# XXX is there a better way we should be figuring out our external
# IP address?
V3FSM._verifyCellCmd(cell.header.cmd, NETINFO_CMD)
self._state = V3State.DONE
return NetInfoCell.make(cell.header.circ_id,
other_or_address=cell.this_or_addresses[0],
this_or_addresses=[cell.other_or_address])
def _sendNetInfoCell(self, addresses):
my_address, other_or_address = addresses
cell = NetInfoCell.make(0, other_or_address=other_or_address,
this_or_addresses=[my_address])
self.transport.write(cell.getBytes())
def test_processCertsCell_wrong_cell_type(self):
cell = NetInfoCell.make(0, '127.0.0.1', ['127.0.0.1'])
self.assertRaises(TypeError,
self.cbt._processCertsCell,
cell)
def test_processNetInfoCell(self):
cell = NetInfoCell.make(0, '127.0.0.1', ['127.0.0.2'])
self.assertEqual(self.cbt._processNetInfoCell(cell),
('127.0.0.1', '127.0.0.2'))
def _sendNetInfoCell(self, addresses):
my_address, other_or_address = addresses
cell = NetInfoCell.make(0,
other_or_address=other_or_address,
this_or_addresses=[my_address])
self.transport.write(cell.getBytes())