pathScripts/vpn

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#!/usr/bin/env python3
import subprocess
import requests
import argparse
import json
import random
PRIVACY_FRIENDLY_COUNTRIES = ['Sweden', 'Switzerland', 'Germany', 'Finland', 'Netherlands', 'Norway']
TAILSCALE_ARGS = [
'--exit-node-allow-lan-access',
# '--stateful-filtering=false',
'--accept-dns',
'--accept-routes',
'--auto-update'
]
def get_current_exit_node():
result = subprocess.run(['tailscale', 'status', '--json'], capture_output=True, text=True)
if result.returncode != 0:
raise Exception("Failed to get Tailscale status")
status = json.loads(result.stdout)
current_exit_node = status.get('Peer', {}).get('Tailnet', {}).get('ExitNode', {}).get('Name')
return current_exit_node
def set_exit_node():
# Get the suggested exit node
result = subprocess.run(['tailscale', 'exit-node', 'suggest'], capture_output=True, text=True)
exit_node = ''
for line in result.stdout.splitlines():
if 'Suggested exit node' in line:
exit_node = line.split(': ')[1].strip()
break
print(f"Suggested exit node: {exit_node}")
# Set the exit node with additional arguments
cmd = ['tailscale', 'set', f'--exit-node={exit_node}'] + TAILSCALE_ARGS
subprocess.run(cmd, check=True)
# Verify the exit node
response = requests.get('https://am.i.mullvad.net/json')
exit_node_info = response.json()
exit_node_hostname = exit_node_info.get('mullvad_exit_ip_hostname')
print(f"Current exit node hostname: {exit_node_hostname}")
# Get the part before the first '.' in the exit_node
exit_node_short = exit_node.split('.')[0]
# Verify that the exit_node_short and exit_node_hostname are equal
if exit_node_short == exit_node_hostname:
print("Exit node set successfully!")
else:
print("Failed to set exit node!")
def unset_exit_node():
# Unset the exit node
cmd = ['tailscale', 'set', '--exit-node='] + TAILSCALE_ARGS
subprocess.run(cmd, check=True)
print("Exit node unset successfully!")
def start_exit_node():
current_exit_node = get_current_exit_node()
if current_exit_node:
print(f"Already connected to exit node: {current_exit_node}")
else:
set_exit_node()
def get_random_privacy_friendly_exit_node():
result = subprocess.run(['tailscale', 'exit-node', 'list'], capture_output=True, text=True)
if result.returncode != 0:
raise Exception("Failed to list Tailscale exit nodes")
exit_nodes = []
for line in result.stdout.splitlines():
parts = line.split()
if len(parts) > 3 and parts[2] in PRIVACY_FRIENDLY_COUNTRIES:
exit_nodes.append(parts[1])
if not exit_nodes:
raise Exception("No privacy-friendly exit nodes available")
return random.choice(exit_nodes)
def set_random_privacy_friendly_exit_node():
exit_node = get_random_privacy_friendly_exit_node()
print(f"Selected random privacy-friendly exit node: {exit_node}")
# Set the exit node with additional arguments
cmd = ['tailscale', 'set', f'--exit-node={exit_node}'] + TAILSCALE_ARGS
subprocess.run(cmd, check=True)
# Verify the exit node
response = requests.get('https://am.i.mullvad.net/json')
exit_node_info = response.json()
exit_node_hostname = exit_node_info.get('mullvad_exit_ip_hostname')
print(f"Current exit node hostname: {exit_node_hostname}")
# Get the part before the first '.' in the exit_node
exit_node_short = exit_node.split('.')[0]
# Verify that the exit_node_short and exit_node_hostname are equal
if exit_node_short == exit_node_hostname:
print("Exit node set successfully!")
else:
print("Failed to set exit node!")
if __name__ == "__main__":
parser = argparse.ArgumentParser(description='Manage VPN exit nodes.')
parser.add_argument('action', choices=['start', 'stop', 'new', 'shh'], help='Action to perform: start, stop, new, or shh')
args = parser.parse_args()
if args.action == 'start':
start_exit_node()
elif args.action == 'stop':
unset_exit_node()
elif args.action == 'new':
set_exit_node()
elif args.action == 'shh':
set_random_privacy_friendly_exit_node()