Initial a bare Viprinet router without the need to execute a Windows binary

viprinet-router-init.py

#!/usr/bin/env python3
import socket
import sys
import ipaddress

# setup sockets
sendsock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sendsock.bind(("169.254.54.81",6000))
sendsock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)

recvsock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
recvsock.bind(("",5000))
recvsock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)

# discover
sendsock.sendto(b"VIPRINET\x04\x00", ("255.255.255.255", 5000))

# get answer
recvsock.recvfrom(1)
data, addr = recvsock.recvfrom(1024)
print(data)

# disasemble answer
brand = data[0:8].decode("utf-8")
if brand != "VIPRINET":
    print("Wrong brand")
    sys.exit(1)

if not (data[8] == 4 and data[9] == 1):
    print("Wrong action")
    sys.exit(1)

serial = data[11:28].decode("utf-8")
print("Serial:", serial)

# change ip
msg = ""
msg += brand
msg += "\x04\x02"
msg += serial

iface = ipaddress.IPv4Interface(sys.argv[1])
ip = iface.ip
netmask = ipaddress.IPv4Address(iface.network.netmask)

packet = msg.encode()
packet += ip.packed
packet += netmask.packed

sendsock.sendto(packet, ("255.255.255.255", 5000))

print("Done")