Ejemplo n.º 1
0
    def __call__(self):
        try:
            self.server_conn.address = platform.original_addr(self.client_conn.connection)
        except Exception as e:
            raise exceptions.ProtocolException("Transparent mode failure: %s" % repr(e))

        layer = self.ctx.next_layer(self)
        try:
            layer()
        finally:
            if self.server_conn.connected():
                self.disconnect()
Ejemplo n.º 2
0
    def __call__(self):
        try:
            self.set_server(platform.original_addr(self.client_conn.connection))
        except Exception as e:
            raise exceptions.ProtocolException("Transparent mode failure: %s" % repr(e))

        layer = self.ctx.next_layer(self)
        try:
            layer()
        finally:
            if self.server_conn.connected():
                self.disconnect()
Ejemplo n.º 3
0
    def _handle_event(self,
                      event: events.Event) -> layer.CommandGenerator[None]:
        assert platform.original_addr is not None
        socket = yield commands.GetSocket(self.context.client)
        try:
            self.context.server.address = platform.original_addr(socket)
        except Exception as e:
            yield commands.Log(f"Transparent mode failure: {e!r}")

        self.child_layer = layer.NextLayer(self.context)

        yield from self.finish_start()
Ejemplo n.º 4
0
    def handle_authentication_request(self, data):
        _logger.debug('Got auth response packet: %s' % repr(data))

        password = parse_password_from_authentication_packet(data)

        self.target_backend = platform.original_addr(self.socket)[0]

        captured_uri = 'postgres://%(user)s:%(password)s@%(host)s:5432/%(database)s' % {
            'user': self.options.get('user', b'').decode('utf-8'),
            'password': password.decode('utf-8'),
            'host': self.target_backend,
            'database': self.options.get('database', b'').decode('utf-8'),
        }
        _logger.info('Intercepted auth: %s' % captured_uri)

        if self.connect_to_actual_backend(password):
            # Switch socket to non-blocking to enable messages to pass in
            # arbitrary order
            self.socket.setblocking(0)
        else:
            return False
        return True