73 lines
2.4 KiB
Python
73 lines
2.4 KiB
Python
#!/usr/bin/env python3
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"""
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Script to extract Tailscale DERP server IPv4 addresses from tailscale.json
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and generate a Clash rule list file for direct connection.
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"""
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import json
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import ipaddress
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from pathlib import Path
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def load_tailscale_data(json_file):
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"""Load tailscale.json data"""
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with open(json_file, 'r', encoding='utf-8') as f:
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return json.load(f)
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def extract_ipv4_addresses(data):
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"""Extract all IPv4 addresses from tailscale regions data"""
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ipv4_addresses = set()
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for region_id, region_data in data['Regions'].items():
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for node in region_data.get('Nodes', []):
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ipv4 = node.get('IPv4')
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if ipv4:
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try:
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# Validate IPv4 address
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ipaddress.IPv4Address(ipv4)
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ipv4_addresses.add(ipv4)
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except ipaddress.AddressValueError:
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print(f"Invalid IPv4 address: {ipv4}")
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return sorted(ipv4_addresses)
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def generate_clash_rules(ipv4_addresses, output_file):
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"""Generate Clash rule list file"""
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with open(output_file, 'w', encoding='utf-8') as f:
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f.write("# Tailscale DERP Servers - Direct Connection Rules\n")
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f.write("# Generated from tailscale.json\n")
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f.write("# All Tailscale DERP relay servers should use direct connection\n\n")
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for ip in ipv4_addresses:
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f.write(f"IP-CIDR,{ip}/32\n")
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def main():
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json_file = Path("tailscale.json")
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output_file = Path("Rules/Tailscale.list")
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if not json_file.exists():
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print(f"Error: {json_file} not found")
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return
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# Create Rules directory if it doesn't exist
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output_file.parent.mkdir(exist_ok=True)
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try:
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# Load tailscale data
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data = load_tailscale_data(json_file)
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# Extract IPv4 addresses
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ipv4_addresses = extract_ipv4_addresses(data)
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print(f"Found {len(ipv4_addresses)} unique IPv4 addresses")
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# Generate Clash rules
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generate_clash_rules(ipv4_addresses, output_file)
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print(f"Generated {output_file} successfully!")
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print(f"Rules created for {len(ipv4_addresses)} Tailscale DERP server IPs")
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except Exception as e:
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print(f"Error: {e}")
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if __name__ == "__main__":
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main() |