示例#1
0
文件: Utils.py 项目: chrnux/cerebrum
    def parse_subnet_or_ip(self, ip_id):
        """Parse ip_id either as a subnet, or as an IP-number.

        Return: (subnet, ip)
          - subnet is None if unknown
          - ip is only set if the user requested a specific IP

        A request for a subnet is identified by a trailing /, or for IPv4 an
        IP with < 4 octets. IPv6-subnets must always be specified with a
        trailing /, followed by a mask number. Examples::

          129.240.200    -> adress on 129.240.200.0/23
          129.240.200.0/ -> adress on 129.240.200.0/23
          129.240.200.0  -> explicit IP
          2001:700:100:2::/64 -> address on 2001:700:100:2::/64
          2001:700:100:2::3   -> explicit IP
        """
        tmp = ip_id.split("/")
        ip = tmp[0]
        subnet_slash = len(tmp) > 1
        full_ip = False

        if IPUtils.is_valid_ipv4(ip):  # ipv4
            IPUtils.parse_ipv4(ip)

            if ip.count('.') == 3 and not subnet_slash:
                full_ip = True

            elif ip.count('.') == 3 and subnet_slash or \
                    ip.count('.') == 2 and not subnet_slash:
                pass

            else:
                raise CerebrumError(("'%s' does not look like a valid subnet "
                                     "or ip-address.") % ip_id)

        elif IPv6Utils.is_valid_ipv6(ip_id):  # full ipv6
            full_ip = True
            ip = ip_id

        elif IPv6Subnet.IPv6Subnet.is_valid_subnet(ip_id):
            ip = ip_id

        else:
            try:  # Assume hostname
                self._arecord.clear()
                self._arecord.find_by_name(self.qualify_hostname(ip))
                self._ip_number.clear()
                self._ip_number.find(self._arecord.ip_number_id)
            except Errors.NotFoundError:
                raise CerebrumError("Could not find host %s" % ip)
            ip = self._ip_number.a_ip

        try:
            ipc = Find(self._db, None)
            subnet_ip = ipc._find_subnet(ip)
        except:
            subnet_ip = None
        return subnet_ip, full_ip and ip or None
示例#2
0
文件: Utils.py 项目: unioslo/cerebrum
    def parse_subnet_or_ip(self, ip_id):
        """Parse ip_id either as a subnet, or as an IP-number.

        Return: (subnet, ip)
          - subnet is None if unknown
          - ip is only set if the user requested a specific IP

        A request for a subnet is identified by a trailing /, or for IPv4 an
        IP with < 4 octets. IPv6-subnets must always be specified with a
        trailing /, followed by a mask number. Examples::

          129.240.200    -> adress on 129.240.200.0/23
          129.240.200.0/ -> adress on 129.240.200.0/23
          129.240.200.0  -> explicit IP
          2001:700:100:2::/64 -> address on 2001:700:100:2::/64
          2001:700:100:2::3   -> explicit IP
        """
        tmp = ip_id.split("/")
        ip = tmp[0]
        subnet_slash = len(tmp) > 1
        full_ip = False

        if IPUtils.is_valid_ipv4(ip):  # ipv4
            IPUtils.parse_ipv4(ip)

            if ip.count('.') == 3 and not subnet_slash:
                full_ip = True

            elif ip.count('.') == 3 and subnet_slash or \
                    ip.count('.') == 2 and not subnet_slash:
                pass

            else:
                raise CerebrumError(("'%s' does not look like a valid subnet "
                                     "or ip-address.") % ip_id)

        elif IPv6Utils.is_valid_ipv6(ip_id):  # full ipv6
            full_ip = True
            ip = ip_id

        elif IPv6Subnet.IPv6Subnet.is_valid_subnet(ip_id):
            ip = ip_id

        else:
            try:  # Assume hostname
                self._arecord.clear()
                self._arecord.find_by_name(self.qualify_hostname(ip))
                self._ip_number.clear()
                self._ip_number.find(self._arecord.ip_number_id)
            except Errors.NotFoundError:
                raise CerebrumError("Could not find host %s" % ip)
            ip = self._ip_number.a_ip
        try:
            ipc = Find(self._db, None)
            subnet_ip = ipc._find_subnet(ip)
        except:
            subnet_ip = None
        return subnet_ip, full_ip and ip or None
示例#3
0
def test_ipv4_prefix_not_allowed():
    # TODO: Should this really raise a bofhd-error?
    from Cerebrum.modules.bofhd.errors import CerebrumError

    # Technically valid IPv4-addresses that contain leading
    # zeroes should raise an error
    for ipaddr in ('010.0.0.10',
                   '010.0.0.10',
                   '10.00.0.1',
                   '10.0.00.1',
                   '10.0.00.01'):
        with pytest.raises(CerebrumError):
            IPUtils.parse_ipv4(ipaddr)