83 lines
2.8 KiB
Python
83 lines
2.8 KiB
Python
import json
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import sys
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import subprocess
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def filter_interfaces(network):
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output = []
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for net in network:
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if net["ifname"] == "lo":
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continue
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addr_info = []
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for addr in net["addr_info"]:
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if addr.get("dynamic", False):
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pass
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elif addr["local"].startswith("fe80"):
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pass
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else:
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addr_info.append(addr)
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if addr_info != []:
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net["addr_info"] = addr_info
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output.append(net)
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return output
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def main():
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with open(sys.argv[1]) as f:
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addresses = json.load(f)
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with open(sys.argv[2]) as f:
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routes = json.load(f)
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relevant_interfaces = filter_interfaces(addresses)
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current_interfaces = json.loads(
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subprocess.run(
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["ip", "--json", "addr"],
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capture_output=True,
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).stdout
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)
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for interface in relevant_interfaces:
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for current_interface in current_interfaces:
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if "address" in interface and "address" in current_interface:
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if interface["address"] == current_interface["address"]:
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for addr in interface["addr_info"]:
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subprocess.run(
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[
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"ip",
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"addr",
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"add",
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"dev",
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current_interface["ifname"],
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f'{addr["local"]}/{addr["prefixlen"]}',
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]
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)
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for route in routes:
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if route["dev"] == interface["ifname"]:
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if route.get("gateway", False):
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subprocess.run(
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[
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"ip",
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"route",
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"add",
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route["dst"],
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"via",
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route["gateway"],
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"dev",
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current_interface["ifname"],
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]
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)
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else:
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subprocess.run(
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[
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"ip",
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"route",
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"add",
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route["dst"],
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"dev",
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current_interface["ifname"],
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]
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)
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if __name__ == "__main__":
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main()
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