Renamed files to include tdyndns in the name.

[toast/tdyndns.git] / bin / nsupdate_dyndns

diff --git a/bin/nsupdate_dyndns b/bin/nsupdate_dyndns
deleted file mode 100755 (executable)
index 4452fe0..0000000
--- a/bin/nsupdate_dyndns
+++ /dev/null
@@ -1,83 +0,0 @@
-#!/usr/bin/python
-import sys
-import re
-import argparse
-from subprocess import Popen, PIPE
-import ipaddr
-
-
-class NsupdateError(Exception):
-       def __init__(self, returncode):
-               self.returncode = returncode
-
-
-def ipfamily_by_ip(ip):
-       if isinstance(ip, ipaddr.IPv4Address):
-               return 'A'
-       elif isinstance(ip, ipaddr.IPv6Address):
-               return 'AAAA'
-       assert False
-
-
-def nsupdate_add(fqdn, ttl, ip):
-       """
-       :param fqdn: Fully qualified domain name
-       :param ip_family: A or AAAA
-       :raises an NsupdateError in case of errors."""
-       command = "update add {fqdn} {ttl} IN {ip_family} {ip}\n\n".format(fqdn=fqdn, ttl=ttl, ip_family=ipfamily_by_ip(ip), ip=ip)
-       p = Popen(['nsupdate', '-l'], stdin=PIPE)
-       p.communicate(command)
-       if p.returncode != 0:
-               raise NsupdateError(p.returncode)
-
-
-def nsupdate_delete(fqdn, ip_family):
-       """
-       :param fqdn: Fully qualified domain name
-       :param ip_family: A or AAAA
-       :raises an NsupdateError in case of errors."""
-       command = "update delete {fqdn} {ip_family}\n\n".format(fqdn=fqdn, ip_family=ip_family)
-       p = Popen(['nsupdate', '-l'], stdin=PIPE)
-       p.communicate(command)
-       if p.returncode != 0:
-               raise NsupdateError(p.returncode)
-
-
-def main(args):
-       try:
-               if args.delete:
-                       if args.ip is None:
-                               nsupdate_delete(args.fqdn, 'A')
-                               nsupdate_delete(args.fqdn, 'AAAA')
-                       else:
-                               nsupdate_delete(args.fqdn, ipfamily_by_ip(args.ip))
-               else:
-                       nsupdate_delete(args.fqdn, ipfamily_by_ip(args.ip))
-                       nsupdate_add(args.fqdn, args.ttl, args.ip)
-       except NsupdateError as e:
-               sys.exit(e.returncode)
-
-
-
-if __name__ == '__main__':
-       parser = argparse.ArgumentParser(description='Add or delete a domain name from dyndns (simplifies call to nsupdate).')
-       parser.add_argument('-d', '--delete', action='store_true', help='delete instead of add')
-       parser.add_argument('-i', '--ip', help='IP address (either IPv4 or IPv6)')
-       parser.add_argument('-t', '--ttl', type=int, default=600, help='TTL (default: 600)')
-       parser.add_argument('fqdn', help='fully qualified domain name to add or delete, e.g. myserver.dyn.example.com')
-       args = parser.parse_args()
-
-       # check ip
-       if not args.delete and not args.ip:
-               parser.error('The IP address is mandatory')
-       if args.ip:
-               try:
-                       args.ip = ipaddr.IPAddress(args.ip) # throws an exception if the IP address is not valid
-               except ValueError:
-                       parser.error('The IP address is not valid')
-
-       # check fqdn
-       if re.match(r'[-0-9a-z]+(\.[-0-9a-z]+)*$', args.fqdn) is None:
-               parser.error('The fqdn has an invalid format.')
-
-       main(args)