glacjay

import os
import subprocess


# Open file corresponding to the TUN device.
tun = open('/dev/tun0', 'r+b')

# Bring it up and assign addresses.
subprocess.check_call('ifconfig tun0 192.168.7.1 192.168.7.2 up', shell=True)

glacjay

package main

import (
	"exec"
	"log"
	"os"
	"syscall"
	"unsafe"
)

glacjay

import fcntl
import os
import struct
import subprocess


# Some constants used to ioctl the device file. I got them by a simple C
# program.
TUNSETIFF = 0x400454ca
TUNSETOWNER = TUNSETIFF + 2