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ansible/public_keys/ssh_dns_fp.py

27 lines
790 B
Python

#!/usr/bin/env python3
import argparse
from pathlib import Path
import subprocess
import sys
def gen_sshfp_rr(keys_dir, host, domain):
key_dir = Path(keys_dir) / host
res = []
for key in key_dir.iterdir():
if key.name != "dns":
res.append(subprocess.check_output(["ssh-keygen", "-r", domain, "-f", str(key)]).decode('utf-8').strip())
return '\n'.join(res)
def main():
ssh_hosts_keys = Path(sys.argv[0]).parent / "ssh/hosts"
parser = argparse.ArgumentParser()
parser.add_argument('--domain', default=None)
parser.add_argument('--host', required=True)
args = parser.parse_args()
args.domain = (args.domain or args.host) + "."
print(gen_sshfp_rr(ssh_hosts_keys, args.host, args.domain))
if __name__ == "__main__":
main()