Python socket.inet_ntoa() Examples

def getLocalip(interface: str = "wlan0") -> str:
    """This function will return the Local IP Address of the interface"""
    if "nux" in sys.platform:
        s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
        try:
            return socket.inet_ntoa(
                fcntl.ioctl(
                    s.fileno(), 0x8915, struct.pack('256s',interface[:15])
                )[20:24]
            )
        except IOError:
            print("{}[!] Error, unable to detect local ip address.".format(Colors.FAIL))
            print("[!] Check your connection to network {}".format(Colors.ENDC))
            exit()
    elif "darwin" in sys.platform:
        return [ip for ip in socket.gethostbyname_ex(socket.gethostname())[2] if not ip.startswith("127.")][0] 

def get_ip_address(ifname):
  """
  Get the ip address from the specified interface.
    
    >>> get_ip_address('eth0')
    '192.168.0.7'
    
  @type ifname: string
  @param ifname: The interface name. Typical names are C{'eth0'}, 
  C{'wlan0'}, etc.
  @rtype: string
  @return: The IP address of the specified interface.
  """
  s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
  return socket.inet_ntoa(fcntl.ioctl(
      s.fileno(),
      0x8915,  # SIOCGIFADDR
      struct.pack('256s', ifname[:15]))[20:24]) 

def get_linux_ip(eth):
    """在Linux下获取IP"""
    assert os.name == 'posix', NotLinuxSystemError('不是Linux系统')
    import fcntl
    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
    ip = socket.inet_ntoa(fcntl.ioctl(s.fileno(), 0x8915, struct.pack('256s', eth[:15])))
    return ip[20:24] 

def get_ip_address(ifname):
    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
    return socket.inet_ntoa(fcntl.ioctl(s.fileno(), 0x8915, struct.pack('256s', ifname[:15]))[20:24])

#嗅探 

def bin2ip(ipval):
    """Converts a 16-bytes binary blob to an IPv4 or IPv6 standard
representation. See ip2bin().

    """
    try:
        socket.inet_aton(ipval)
        return ipval
    except (TypeError, socket.error):
        pass
    try:
        socket.inet_pton(socket.AF_INET6, ipval)
        return ipval
    except (TypeError, socket.error):
        pass
    try:
        return int2ip(ipval)
    except TypeError:
        pass
    if ipval[:12] == b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff':
        return socket.inet_ntoa(ipval[12:])
    return socket.inet_ntop(socket.AF_INET6, ipval) 

def interfaces(self):
        if self.homebrewNetifaces:
            import array
            import fcntl

            maxInterfaces = 128
            bufsiz = maxInterfaces * 40
            nullByte = b'\0'

            s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
            ifNames = array.array('B', nullByte * bufsiz)
            ifNameLen = struct.unpack('iL', fcntl.ioctl(
                s.fileno(),
                0x8912, # SIOCGIFCONF
                struct.pack('iL', bufsiz, ifNames.buffer_info()[0])
            ))[0]

            if ifNameLen % self.ifNameStructLen != 0:
                print('Do you need to set --ifNameStructLen? %s/%s ought to have a remainder of zero.' % (ifNameLen, self.ifNameStructLen))
                sys.exit(1)

            ifNames = ifNames.tostring()
            for i in range(0, ifNameLen, self.ifNameStructLen):
                name      = ifNames[i:i+16].split(nullByte, 1)[0].decode()
                if not name:
                    print('Cannot determine interface name: do you need to set --ifNameStructLen? %s/%s ought to have a remainder of zero.' % (ifNameLen, self.ifNameStructLen))
                    sys.exit(1)
                ip        = socket.inet_ntoa(fcntl.ioctl(socket.socket(socket.AF_INET, socket.SOCK_DGRAM), 0x8915, struct.pack('256s', str(name)))[20:24]) # SIOCGIFADDR
                netmask   = socket.inet_ntoa(fcntl.ioctl(socket.socket(socket.AF_INET, socket.SOCK_DGRAM), 0x891b, struct.pack('256s', str(name)))[20:24]) # SIOCGIFNETMASK
                broadcast = socket.inet_ntoa(fcntl.ioctl(socket.socket(socket.AF_INET, socket.SOCK_DGRAM), 0x8919, struct.pack('256s', str(name)))[20:24]) # SIOCGIFBRDADDR
                hwaddr    = ':'.join(['%02x' % ord(char) for char in fcntl.ioctl(socket.socket(socket.AF_INET, socket.SOCK_DGRAM), 0x8927, struct.pack('256s', str(name)))[18:24]]) # SIOCGIFHWADDR
                self.interfaceAttrs[name] = {Netifaces.AF_LINK: [{'addr': hwaddr}], Netifaces.AF_INET: [{'addr': ip, 'netmask': netmask, 'broadcast': broadcast}]}
            return self.interfaceAttrs.keys()
        else:
            import netifaces
            return netifaces.interfaces() 

def negotiate_socks(sock, host, port):
  """
  Negotiate with a socks4a server. Closes the socket and raises an exception on
  failure.

  :param socket sock: socket connected to socks4a server
  :param str host: hostname/IP to connect to
  :param int port: port to connect to

  :raises: :class:`stem.ProtocolError` if the socks server doesn't grant our request

  :returns: a list with the IP address and the port that the proxy connected to
  """

  # SOCKS4a request here - http://en.wikipedia.org/wiki/SOCKS#Protocol
  request = b'\x04\x01' + struct.pack('!H', port) + b'\x00\x00\x00\x01' + b'\x00' + stem.util.str_tools._to_bytes(host) + b'\x00'
  sock.sendall(request)
  response = sock.recv(8)

  if len(response) != 8 or response[0:2] != b'\x00\x5a':
    sock.close()
    raise stem.ProtocolError(ERROR_MSG.get(response[1], 'SOCKS server returned unrecognized error code'))

  return [socket.inet_ntoa(response[4:]), struct.unpack('!H', response[2:4])[0]] 

def local_ip4_addr_list():
    """Return a set of IPv4 address
    """
    assert os.name != 'nt', 'Do not support Windows rpc yet.'
    nic = set()
    for if_nidx in socket.if_nameindex():
        name = if_nidx[1]
        sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
        try:
            ip_of_ni = fcntl.ioctl(sock.fileno(),
                                   0x8915,  # SIOCGIFADDR
                                   struct.pack('256s', name[:15].encode("UTF-8")))
        except OSError as e:
            if e.errno == 99: # EADDRNOTAVAIL
                print("Warning!",
                      "Interface: {}".format(name),
                      "IP address not available for interface.",
                      sep='\n')
                continue
            else:
                raise e

        ip_addr = socket.inet_ntoa(ip_of_ni[20:24])
        nic.add(ip_addr)
    return nic 

def findNonLoInterfaces(data, endianness):
    lines = stripTimestamps(data)
    candidates = filter(lambda l: l.startswith("__inet_insert_ifa"), lines) # logs for the inconfig process
    if debug:
        print("Candidate ifaces: %r" % candidates)
    result = []
    if endianness == "eb":
        fmt = ">I"
    elif endianness == "el":
        fmt = "<I"
    for c in candidates:
        g = re.match(r"^__inet_insert_ifa\[[^\]]+\]: device:([^ ]+) ifa:0x([0-9a-f]+)", c)
        if g:
            (iface, addr) = g.groups()
            addr = socket.inet_ntoa(struct.pack(fmt, int(addr, 16)))
            if addr != "127.0.0.1" and addr != "0.0.0.0":
                result.append((iface, addr))
    return result 

def lin_set_ip_address(self, dev, ip, serverip, netmask):
		sockfd = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
		try:
			# set IP
			ifr  = struct.pack('<16sH2s4s8s', dev, socket.AF_INET, "\x00"*2, socket.inet_aton(ip), "\x00"*8)
			fcntl.ioctl(sockfd, self.IOCTL_LINUX_SIOCSIFADDR, ifr)

			# get flags
			ifr = struct.pack('<16sh', dev, 0)
			flags = struct.unpack('<16sh', fcntl.ioctl(sockfd, self.IOCTL_LINUX_SIOCSIFFLAGS, ifr))[1]

			# set new flags
			flags = flags | self.IOCTL_LINUX_IFF_UP
			ifr = struct.pack('<16sh', dev, flags)

			# iface up
			fcntl.ioctl(sockfd, self.IOCTL_LINUX_SIOCSIFFLAGS, ifr)
		except Exception as e:
			common.internal_print("Something went wrong with setting up the interface.", -1)
			print(e)
			sys.exit(-1)

		# adding new route for forwarding packets properly.
		integer_ip = struct.unpack(">I", socket.inet_pton(socket.AF_INET, serverip))[0]
		rangeip = socket.inet_ntop(socket.AF_INET, struct.pack(">I", integer_ip & ((2**int(netmask))-1)<<32-int(netmask)))

		integer_netmask = struct.pack(">I", ((2**int(netmask))-1)<<32-int(netmask))
		netmask = socket.inet_ntoa(integer_netmask)

		ps = subprocess.Popen(["route", "add", "-net", rangeip, "netmask", netmask, "dev", dev], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
		(stdout, stderr) = ps.communicate()
		if stderr:
			if not "File exists" in stderr:
				common.internal_print("Error: adding client route: {0}".format(stderr), -1)
				sys.exit(-1)

		return 

def maxIpaddr(ipaddr, netmask):
    """
        Takes a quad dot format IP address string and makes it the largest valid value still in the same subnet.

        Returns:
            Max quad dot IP string or None if error
    """
    try:
        val = struct.unpack("!I", socket.inet_aton(ipaddr))[0]
        nm = struct.unpack("!I", socket.inet_aton(netmask))[0]
        inc = struct.unpack("!I", socket.inet_aton("0.0.0.254"))[0]
        val &= nm
        val |= inc
        return socket.inet_ntoa(struct.pack('!I', val))
    except Exception:
        return None 

def get_ip(inter):
    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
    ip_addr = socket.inet_ntoa(fcntl.ioctl(s.fileno(), 0x8915, struct.pack('256s', inter[:15]))[20:24])
    return ip_addr 

def get_ip(self):
        """
        Get ip address of this interface
        """
        ifreq = struct.pack('16sH14s', self.name.encode(),
                            socket.AF_INET, b'\x00' * 14)
        try:
            res = fcntl.ioctl(sockfd, arch.SIOCGIFADDR, ifreq)
        except IOError:
            return None
        ip = struct.unpack('16sH2x4s8x', res)[2]

        return socket.inet_ntoa(ip) 

def inet_ltoa(addr_long):
    '''
    @summary: 转换 整数 到字符串的IP地址
    :param addr_long: 整数地址，可以直接被ping的地址
    '''
    return socket.inet_ntoa(struct.pack('!I', addr_long)) 

def dotted_netmask(mask):
    """
    Converts mask from /xx format to xxx.xxx.xxx.xxx
    Example: if mask is 24 function returns 255.255.255.0
    """
    bits = 0xffffffff ^ (1 << 32 - mask) - 1
    return socket.inet_ntoa(struct.pack('>I', bits)) 

def dotted_netmask(mask):
    """
    Converts mask from /xx format to xxx.xxx.xxx.xxx
    Example: if mask is 24 function returns 255.255.255.0
    """
    bits = 0xffffffff ^ (1 << 32 - mask) - 1
    return socket.inet_ntoa(struct.pack('>I', bits)) 

def local_ip4_addr_list():
    """Return a set of IPv4 address
    """
    nic = set()

    for ix in socket.if_nameindex():
        name = ix[1]
        s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
        ip = socket.inet_ntoa(fcntl.ioctl(
            s.fileno(),
            0x8915,  # SIOCGIFADDR
            struct.pack('256s', name[:15].encode("UTF-8")))[20:24])
        nic.add(ip)

    return nic 

def _read_SOCKS5_address(self, file):
        atyp = self._readall(file, 1)
        if atyp == b"\x01":
            addr = socket.inet_ntoa(self._readall(file, 4))
        elif atyp == b"\x03":
            length = self._readall(file, 1)
            addr = self._readall(file, ord(length))
        elif atyp == b"\x04":
            addr = socket.inet_ntop(socket.AF_INET6, self._readall(file, 16))
        else:
            raise GeneralProxyError("SOCKS5 proxy server sent invalid data")

        port = struct.unpack(">H", self._readall(file, 2))[0]
        return addr, port 

def get_ip_address(self, offset = 0, ip = None):
        if not ip:
            ip = self.get_bytes().tostring()[offset : offset + IP_ADDRESS_LENGTH]
        return socket.inet_ntoa( ip ) 

def num_to_dotted_quad(addr):
    "convert long int to dotted quad string"
    return socket.inet_ntoa(struct.pack('!L', addr)) 

def num_to_dotted_quad(addr):
    "convert long int to dotted quad string"
    return socket.inet_ntoa(struct.pack('!L', addr)) 

def do_dec(cls, s, context=None, safe=False):
        l,s,t = cls.check_type_check_len(s)
        try:
            ipaddr_ascii = inet_ntoa(s)
        except Exception:
            raise BER_Decoding_Error(
                "IP address could not be decoded", decoded=obj)
        return cls.asn1_object(ipaddr_ascii), t 

def dotted_netmask(mask):
    """Converts mask from /xx format to xxx.xxx.xxx.xxx

    Example: if mask is 24 function returns 255.255.255.0

    :rtype: str
    """
    bits = 0xffffffff ^ (1 << 32 - mask) - 1
    return socket.inet_ntoa(struct.pack('>I', bits)) 

def get_ip_address(ifname):
  s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
  return socket.inet_ntoa(fcntl.ioctl(s.fileno(),
    0x8915,  # SIOCGIFADDR
    struct.pack('256s', ifname[:15]))[20:24]) 

def dotted_netmask(mask):
    """
    Converts mask from /xx format to xxx.xxx.xxx.xxx
    Example: if mask is 24 function returns 255.255.255.0
    """
    bits = 0xffffffff ^ (1 << 32 - mask) - 1
    return socket.inet_ntoa(struct.pack('>I', bits)) 

def v(self, vm=None):
        value = super(Ipv4Address, self).v(vm=vm)
        return socket.inet_ntoa(struct.pack("<I", value)) 

def dotted_netmask(mask):
    """
    Converts mask from /xx format to xxx.xxx.xxx.xxx
    Example: if mask is 24 function returns 255.255.255.0
    """
    bits = 0xffffffff ^ (1 << 32 - mask) - 1
    return socket.inet_ntoa(struct.pack('>I', bits)) 

def cidr_to_ip_range(cidr):
    ip, _, cidr = str(cidr).partition('/')
    if not (valid_ip(ip) and cidr.isdigit() and int(cidr) <= 32):
        error("invalid IP range - use CIDR notation (ex. 192.168.1.1/24)")
    cidr = int(cidr) 
    host_bits = 32 - cidr
    i = struct.unpack('>I', socket.inet_aton(ip))[0]
    start = (i >> host_bits) << host_bits
    end = start | ((1 << host_bits) - 1) 
    return [ socket.inet_ntoa(struct.pack('>I',i)) for i in range(start, end) ]

# main 

def inet_ntop(family, ipstr):
    if family == socket.AF_INET:
        return to_bytes(socket.inet_ntoa(ipstr))
    elif family == socket.AF_INET6:
        import re
        v6addr = ':'.join(('%02X%02X' % (ord(i), ord(j))).lstrip('0')
                          for i, j in zip(ipstr[::2], ipstr[1::2]))
        v6addr = re.sub('::+', '::', v6addr, count=1)
        return to_bytes(v6addr) 

def parse_header(data):
    addrtype = ord(data[0])
    dest_addr = None
    dest_port = None
    header_length = 0
    if addrtype == ADDRTYPE_IPV4:
        if len(data) >= 7:
            dest_addr = socket.inet_ntoa(data[1:5])
            dest_port = struct.unpack('>H', data[5:7])[0]
            header_length = 7
        else:
            logging.warn('header is too short')
    elif addrtype == ADDRTYPE_HOST:
        if len(data) > 2:
            addrlen = ord(data[1])
            if len(data) >= 2 + addrlen:
                dest_addr = data[2:2 + addrlen]
                dest_port = struct.unpack('>H', data[2 + addrlen:4 +
                                                     addrlen])[0]
                header_length = 4 + addrlen
            else:
                logging.warn('header is too short')
        else:
            logging.warn('header is too short')
    elif addrtype == ADDRTYPE_IPV6:
        if len(data) >= 19:
            dest_addr = socket.inet_ntop(socket.AF_INET6, data[1:17])
            dest_port = struct.unpack('>H', data[17:19])[0]
            header_length = 19
        else:
            logging.warn('header is too short')
    else:
        logging.warn('unsupported addrtype %d, maybe wrong password or '
                     'encryption method' % addrtype)
    if dest_addr is None:
        return None
    return addrtype, to_bytes(dest_addr), dest_port, header_length