58 lines
1.2 KiB
Python
Executable File
58 lines
1.2 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
|
|
import ipaddress
|
|
import sys
|
|
|
|
def hexstr2int(string):
|
|
return int(string.replace(':', ''), 16)
|
|
|
|
FIRST_MAC = hexstr2int('02:00:b3:39:79:4d')
|
|
FIRST_V4 = ipaddress.ip_address('185.203.112.2')
|
|
FIRST_V6 = "2a0a:e5c0:0:2:400:b3ff:fe39:794d"
|
|
|
|
V6_NAT64_BASE = ipaddress.ip_address("2a0a:e5c0:0:1:0:1::")
|
|
|
|
def v4_from_mac(mac):
|
|
"""Calculates the IPv4 address from a MAC address.
|
|
|
|
mac: string (the colon-separated representation)
|
|
returns: ipaddress.ip_address object with the v4 address
|
|
"""
|
|
return FIRST_V4 + (hexstr2int(mac) - FIRST_MAC)
|
|
|
|
def v4_from_v6(ipv6ip):
|
|
"""Calculates the IPv4 address from the IPv4 address
|
|
|
|
ipv6ip: the ip
|
|
returns: ipaddress.ip_address object with the v4 address
|
|
"""
|
|
|
|
return FIRST_V4 + (hexstr2int(ipv6ip) - (hexstr2int(FIRST_V6)))
|
|
|
|
def v6_from_v4(ipv4):
|
|
v4addr = ipaddress.ip_address(ipv4)
|
|
return V6_NAT64_BASE + int(v4addr)
|
|
|
|
if __name__ == "__main__":
|
|
addr = sys.argv[1]
|
|
out = []
|
|
|
|
try:
|
|
out.append(v4_from_v6(addr))
|
|
except:
|
|
pass
|
|
|
|
try:
|
|
out.append(v6_from_v4(addr))
|
|
except:
|
|
pass
|
|
|
|
|
|
print("{}".format(out))
|
|
|
|
# test.ch
|
|
# 2a0a:e5c0:0:1:0:1:504a:8a8c
|
|
# 80.74.138.140
|
|
# 1347062412
|
|
#
|