ddns.in

   1 #!/usr/bin/python
   2 ###############################################################################
   3 #                                                                             #
   4 # ddns - A dynamic DNS client for IPFire                                      #
   5 # Copyright (C) 2012 IPFire development team                                  #
   6 #                                                                             #
   7 # This program is free software: you can redistribute it and/or modify        #
   8 # it under the terms of the GNU General Public License as published by        #
   9 # the Free Software Foundation, either version 3 of the License, or           #
  10 # (at your option) any later version.                                         #
  11 #                                                                             #
  12 # This program is distributed in the hope that it will be useful,             #
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  15 # GNU General Public License for more details.                                #
  16 #                                                                             #
  17 # You should have received a copy of the GNU General Public License           #
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  19 #                                                                             #
  20 ###############################################################################
  21
  22 import argparse
  23
  24 import ddns
  25
  26 from ddns.i18n import _
  27
  28 CONFIGURATION_FILE = "@configsdir@/ddns.conf"
  29
  30 def main():
  31         # Parse command line
  32         p = argparse.ArgumentParser(description=_("Dynamic DNS Updater"))
  33
  34         p.add_argument("-d", "--debug", action="store_true",
  35                 help=_("Enable debugging output"))
  36
  37         p.add_argument("-c", "--config", default=CONFIGURATION_FILE,
  38                 help=_("Load configuration file (Default: %s)") % CONFIGURATION_FILE)
  39
  40         # Create subparsers for commands.
  41         subparsers = p.add_subparsers(help=_("Sub-command help"),
  42                 dest="subparsers_name")
  43
  44         # guess-ip-addresses
  45         p_guess_ip_addresses = subparsers.add_parser("guess-ip-addresses",
  46                 help=_("Guess the external IP addresses"))
  47
  48         # list-providers
  49         p_list_providers = subparsers.add_parser("list-providers",
  50                 help=_("List all available providers"))
  51
  52         # update
  53         p_update = subparsers.add_parser("update", help=_("Update DNS record"))
  54         p_update.add_argument("hostname")
  55         p_update.add_argument("--force", action="store_true",
  56                 help=_("Execute update even if the record is already up to date"))
  57
  58         # update-all
  59         p_update_all = subparsers.add_parser("update-all", help=_("Update all DNS records"))
  60         p_update_all.add_argument("--force", action="store_true",
  61                 help=_("Execute update even if the record is already up to date"))
  62
  63         args = p.parse_args()
  64
  65         # Initialise the DDNSCore module.
  66         d = ddns.DDNSCore(debug=args.debug)
  67
  68         # Load configuration.
  69         if args.config:
  70                 d.load_configuration(args.config)
  71
  72         # Handle commands...
  73         if args.subparsers_name == "guess-ip-addresses":
  74                 # IPv6
  75                 ipv6_address = d.system.guess_external_ip_address("ipv6")
  76                 if ipv6_address:
  77                         print _("IPv6 Address: %s") % ipv6_address
  78
  79                 # IPv4
  80                 ipv4_address = d.system.guess_external_ip_address("ipv4")
  81                 if ipv4_address:
  82                         print _("IPv4 Address: %s") % ipv4_address
  83
  84         elif args.subparsers_name == "list-providers":
  85                 provider_names = d.get_provider_names()
  86                 print "\n".join(provider_names)
  87
  88         elif args.subparsers_name == "update":
  89                 d.updateone(hostname=args.hostname, force=args.force)
  90
  91         elif args.subparsers_name == "update-all":
  92                 d.updateall(force=args.force)
  93
  94         else:
  95                 raise RuntimeError("Unhandled command: %s" % args.subparsers_name)
  96
  97 main()