Exemplo n.º 1
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    def test_isIPv4_randomIP4(self):
        """Test :func:`addr.isIPv4` with a random IPv4 address.

        This test asserts that the returned value is a :obj:`bool`. Because
        the IP being tested is random, it *could* randomly be an invalid IP
        address and thus :func:`~bridgdb.addr.isIPv4` would return ``False``).
        """
        randomAddr = ipaddr.IPv4Address(random.getrandbits(32)).compressed
        log.msg("Testing randomly generated IPv4 address: %s" % randomAddr)
        result = addr.isIPv4(randomAddr)
        self.assertTrue(isinstance(result, bool),
                        "addr.isIPv4() should be boolean: %r" % type(result))
Exemplo n.º 2
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    def test_isIPv4_randomIP4(self):
        """Test :func:`addr.isIPv4` with a random IPv4 address.

        This test asserts that the returned value is a :obj:`bool`. Because
        the IP being tested is random, it *could* randomly be an invalid IP
        address and thus :func:`~bridgdb.addr.isIPv4` would return ``False``).
        """
        randomAddr = ipaddr.IPv4Address(random.getrandbits(32)).compressed
        log.msg("Testing randomly generated IPv4 address: %s" % randomAddr)
        result = addr.isIPv4(randomAddr)
        self.assertTrue(isinstance(result, bool),
                        "addr.isIPv4() should be boolean: %r" % type(result))
Exemplo n.º 3
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    def runTestForIPv6(self, testAddress):
        """Test :func:`addr.isIPv4` with the specified IPv6 **testAddress**.

        This test asserts that the returned value is ``False``.

        :param str testAddress: A string which specifies the IPv6 address to
            test, which should cause :func:`addr.isIPv4` to return ``False``.
        """
        result = addr.isIPv4(testAddress)
        log.msg("addr.isIPv4(%r) => %s" % (testAddress, result))
        self.assertTrue(isinstance(result, bool),
                        "addr.isIPv4() should be boolean: %r" % type(result))
        self.assertFalse(result,
                         "addr.isIPv4(%r) should be False!" % testAddress)
Exemplo n.º 4
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    def runTestForIPv6(self, testAddress):
        """Test :func:`addr.isIPv4` with the specified IPv6 **testAddress**.

        This test asserts that the returned value is ``False``.

        :param str testAddress: A string which specifies the IPv6 address to
            test, which should cause :func:`addr.isIPv4` to return ``False``.
        """
        result = addr.isIPv4(testAddress)
        log.msg("addr.isIPv4(%r) => %s" % (testAddress, result))
        self.assertTrue(isinstance(result, bool),
                        "addr.isIPv4() should be boolean: %r" % type(result))
        self.assertFalse(result,
                         "addr.isIPv4(%r) should be False!" % testAddress)
Exemplo n.º 5
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 def doubleCheck(self, match):
     """Additional check to ensure that **match** is an IPv4 address."""
     if addr.isIPv4(match):
         return True
def parseALine(line, fingerprint=None):
    """Parse an 'a'-line of a bridge networkstatus document.

    From torspec.git/dir-spec.txt, commit 36761c7d553d L1499-1512:
      |
      | "a" SP address ":" port NL
      |
      |    [Any number.]
      |
      |    Present only if the OR has at least one IPv6 address.
      |
      |    Address and portlist are as for "or-address" as specified in
      |    2.1.
      |
      |    (Only included when the vote or consensus is generated with
      |    consensus-method 14 or later.)

    :param string line: An 'a'-line from an bridge-network-status descriptor.
    :type fingerprint: string or None
    :param fingerprint: A string which identifies which OR the descriptor
        we're parsing came from (since the 'a'-line doesn't tell us, this can
        help make the log messages clearer).
    :raises: :exc:`NetworkstatusParsingError`
    :rtype: tuple
    :returns: A 2-tuple of a string respresenting the IP address and a
        :class:`bridgedb.parse.addr.PortList`.
    """
    ip = None
    portlist = None

    if line.startswith('a '):
        line = line[2:] # Chop off the 'a '
    else:
        logging.warn("Networkstatus parser received non 'a'-line for %r:"\
                     "  %r" % (fingerprint or 'Unknown', line))

    try:
        ip, portlist = line.rsplit(':', 1)
    except ValueError as error:
        logging.error("Bad separator in networkstatus 'a'-line: %r" % line)
        return (None, None)

    if ip.startswith('[') and ip.endswith(']'):
        ip = ip.strip('[]')

    try:
        if not addr.isIPAddress(ip):
            raise NetworkstatusParsingError(
                "Got invalid IP Address in networkstatus 'a'-line for %r: %r"
                % (fingerprint or 'Unknown', line))

        if addr.isIPv4(ip):
            warnings.warn(FutureWarning(
                "Got IPv4 address in networkstatus 'a'-line! "\
                "Networkstatus document format may have changed!"))
    except NetworkstatusParsingError as error:
        logging.error(error)
        ip, portlist = None, None

    try:
        portlist = addr.PortList(portlist)
        if not portlist:
            raise NetworkstatusParsingError(
                "Got invalid portlist in 'a'-line for %r!\n  Line: %r"
                % (fingerprint or 'Unknown', line))
    except (addr.InvalidPort, NetworkstatusParsingError) as error:
        logging.error(error)
        portlist = None
    else:
        logging.debug("Parsed networkstatus ORAddress line for %r:"\
                      "\n  Address: %s  \tPorts: %s"
                      % (fingerprint or 'Unknown', ip, portlist))
    finally:
        return (ip, portlist)
Exemplo n.º 7
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 def doubleCheck(self, match):
     """Additional check to ensure that **match** is an IPv4 address."""
     if addr.isIPv4(match):
         return True
def parseALine(line, fingerprint=None):
    """Parse an 'a'-line of a bridge networkstatus document.

    From torspec.git/dir-spec.txt, commit 36761c7d553d L1499-1512:
      |
      | "a" SP address ":" port NL
      |
      |    [Any number.]
      |
      |    Present only if the OR has at least one IPv6 address.
      |
      |    Address and portlist are as for "or-address" as specified in
      |    2.1.
      |
      |    (Only included when the vote or consensus is generated with
      |    consensus-method 14 or later.)

    :param string line: An 'a'-line from an bridge-network-status descriptor.
    :type fingerprint: string or None
    :param fingerprint: A string which identifies which OR the descriptor
        we're parsing came from (since the 'a'-line doesn't tell us, this can
        help make the log messages clearer).
    :raises: :exc:`NetworkstatusParsingError`
    :rtype: tuple
    :returns: A 2-tuple of a string respresenting the IP address and a
        :class:`bridgedb.parse.addr.PortList`.
    """
    ip = None
    portlist = None

    if line.startswith('a '):
        line = line[2:]  # Chop off the 'a '
    else:
        logging.warn("Networkstatus parser received non 'a'-line for %r:"\
                     "  %r" % (fingerprint or 'Unknown', line))

    try:
        ip, portlist = line.rsplit(':', 1)
    except ValueError as error:
        logging.error("Bad separator in networkstatus 'a'-line: %r" % line)
        return (None, None)

    if ip.startswith('[') and ip.endswith(']'):
        ip = ip.strip('[]')

    try:
        if not addr.isIPAddress(ip):
            raise NetworkstatusParsingError(
                "Got invalid IP Address in networkstatus 'a'-line for %r: %r" %
                (fingerprint or 'Unknown', line))

        if addr.isIPv4(ip):
            warnings.warn(FutureWarning(
                "Got IPv4 address in networkstatus 'a'-line! "\
                "Networkstatus document format may have changed!"))
    except NetworkstatusParsingError as error:
        logging.error(error)
        ip, portlist = None, None

    try:
        portlist = addr.PortList(portlist)
        if not portlist:
            raise NetworkstatusParsingError(
                "Got invalid portlist in 'a'-line for %r!\n  Line: %r" %
                (fingerprint or 'Unknown', line))
    except (addr.InvalidPort, NetworkstatusParsingError) as error:
        logging.error(error)
        portlist = None
    else:
        logging.debug("Parsed networkstatus ORAddress line for %r:"\
                      "\n  Address: %s  \tPorts: %s"
                      % (fingerprint or 'Unknown', ip, portlist))
    finally:
        return (ip, portlist)