pavel.muhortov/utils
pavel.muhortov/utils
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add support dns.he.net

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This commit is contained in:
Pavel Muhortov 2022-04-19 16:08:19 +03:00
parent abcb8a6c8e
commit acde2b966b
2 changed files with 37 additions and 1 deletions
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3
README.md
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@ -249,11 +249,14 @@ Example usage in cron with Python:
```shell ```shell
# at 00:00 on Monday # at 00:00 on Monday
0 0 * * 1 /usr/bin/python3 ~/simplewc.py --domain EXAMPLE.COM --server 8.8.8.8 --keyname KEY --keydata YOU_KEY_CONTENT > /dev/null 0 0 * * 1 /usr/bin/python3 ~/simplewc.py --domain EXAMPLE.COM --server 8.8.8.8 --keyname KEY --keydata YOU_KEY_CONTENT > /dev/null
# 00:00 on day-of-month 1 and 15
0 0 1,15 * * /usr/bin/python3 ~/simplewc.py --domain EXAMPLE.COM --server dyn.dns.he.net --keyname - --keydata YOU_DDNSKEY > /dev/null
``` ```
Example usage in terminal with make the script executable: Example usage in terminal with make the script executable:
```shell ```shell
chmod u+x ./simplewc.py chmod u+x ./simplewc.py
./simplewc.py --domain EXAMPLE.COM --server 8.8.8.8 --keyname KEY --keydata YOU_KEY_CONTENT --test --force ./simplewc.py --domain EXAMPLE.COM --server 8.8.8.8 --keyname KEY --keydata YOU_KEY_CONTENT --test --force
./simplewc.py --domain EXAMPLE.COM --server dyn.dns.he.net --keyname - --keydata YOU_DDNSKEY --test --force
``` ```
____ ____

35
simplewc.py
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@ -6,6 +6,7 @@ from shutil import make_archive
from subprocess import Popen, PIPE, STDOUT from subprocess import Popen, PIPE, STDOUT
from time import sleep from time import sleep
from typing import Union from typing import Union
import urllib.request
try: try:
from dns import resolver, rdatatype, rdataclass, rdata, update, query, tsigkeyring, tsig, name from dns import resolver, rdatatype, rdataclass, rdata, update, query, tsigkeyring, tsig, name
except ModuleNotFoundError: except ModuleNotFoundError:
@ -66,6 +67,35 @@ class NSupdate:
return query.tcp(q=rec_upd, where=self._server) return query.tcp(q=rec_upd, where=self._server)
class HEupdate:
"""
Dynamic DNS update on dyn.dns.he.net from Python
"""
def __init__(self, ddnskey: str, server: str = 'https://dyn.dns.he.net/nic/update') -> None:
"""
Object constructor
:param ddnskey: string with content of the key (password) to update the record
:param server: string with server for dynamic update request
"""
self._server = server
self._ddnskey = ddnskey
def rec_add(self, rec_key: str, rec_val: str) -> None:
"""
Change record data from DNS zone
:param rec_key: string with record fqdn
:param rec_val: string with record value
:return: None, Message after request
"""
self._data = 'hostname=' + rec_key + '&' + 'password=' + self._ddnskey + '&' + 'txt=' + rec_val
request = urllib.request.Request(url=self._server, data=bytes(self._data.encode('utf-8')), method='POST')
response = urllib.request.urlopen(request).read()
if response.startswith(b'\xff\xd8'):
return response
else:
return str(response.decode('utf-8'))
class ACMEcert: class ACMEcert:
""" """
ACME launcher for DNS-01 challenge from Python ACME launcher for DNS-01 challenge from Python
@ -166,7 +196,10 @@ if __name__ == "__main__":
cer_test = True cer_test = True
cer = ACMEcert(zone=args['domain'], acme_path=args['acmepath'], force=cer_force, test=cer_test) cer = ACMEcert(zone=args['domain'], acme_path=args['acmepath'], force=cer_force, test=cer_test)
dns = NSupdate(zone=args['domain'], server=args['server'], keyname=args['keyname'], keydata=args['keydata']) if 'dns.he.net' in args['server']:
dns = HEupdate(ddnskey=args['keydata'])
else:
dns = NSupdate(zone=args['domain'], server=args['server'], keyname=args['keyname'], keydata=args['keydata'])
attempts_pass, attempts_wait = 0, 60 attempts_pass, attempts_wait = 0, 60
while attempts_pass < 2: while attempts_pass < 2: