Class Net

scapy/base_classes.py:160–316

Network object from an IP address or hostname and mask Examples: - With mask:: >>> list(Net("192.168.0.1/24")) ['192.168.0.0', '192.168.0.1', ..., '192.168.0.255'] - With 'end':: >>> list(Net("192.168.0.100", "192.168.0.200"))

class Net(Gen[str]):
    """
    Network object from an IP address or hostname and mask

    Examples:

        - With mask::

            >>> list(Net("192.168.0.1/24"))
            ['192.168.0.0', '192.168.0.1', ..., '192.168.0.255']

        - With 'end'::

            >>> list(Net("192.168.0.100", "192.168.0.200"))
            ['192.168.0.100', '192.168.0.101', ..., '192.168.0.200']

        - With 'scope' (for multicast)::

            >>> Net("224.0.0.1%lo")
            >>> Net("224.0.0.1", scope=conf.iface)
    """
    name = "Net"  # type: str
    family = socket.AF_INET  # type: int
    max_mask = 32  # type: int

    @classmethod
    def name2addr(cls, name):
        # type: (str) -> str
        try:
            return next(
                addr_port[0]
                for family, _, _, _, addr_port in
                socket.getaddrinfo(name, None, cls.family)
                if family == cls.family
            )
        except socket.error:
            if re.search("(^|\\.)[0-9]+-[0-9]+($|\\.)", name) is not None:
                raise Scapy_Exception("Ranges are no longer accepted in %s()" %
                                      cls.__name__)
            raise

    @classmethod
    def ip2int(cls, addr):
        # type: (str) -> int
        return cast(int, struct.unpack(
            "!I", socket.inet_aton(cls.name2addr(addr))
        )[0])

    @staticmethod
    def int2ip(val):
        # type: (int) -> str
        return socket.inet_ntoa(struct.pack('!I', val))

    def __init__(self, net, stop=None, scope=None):
        # type: (str, Optional[str], Optional[str]) -> None
        if "*" in net:
            raise Scapy_Exception("Wildcards are no longer accepted in %s()" %
                                  self.__class__.__name__)