src/python/location-query.in

   1 #!/usr/bin/python3
   2 ###############################################################################
   3 #                                                                             #
   4 # libloc - A library to determine the location of someone on the Internet     #
   5 #                                                                             #
   6 # Copyright (C) 2017 IPFire Development Team <info@ipfire.org>                #
   7 #                                                                             #
   8 # This library is free software; you can redistribute it and/or               #
   9 # modify it under the terms of the GNU Lesser General Public                  #
  10 # License as published by the Free Software Foundation; either                #
  11 # version 2.1 of the License, or (at your option) any later version.          #
  12 #                                                                             #
  13 # This library is distributed in the hope that it will be useful,             #
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU           #
  16 # Lesser General Public License for more details.                             #
  17 #                                                                             #
  18 ###############################################################################
  19
  20 import argparse
  21 import gettext
  22 import sys
  23 import syslog
  24
  25 # Load our location module
  26 import location
  27
  28 # i18n
  29 def _(singular, plural=None, n=None):
  30         if plural:
  31                 return gettext.dngettext("libloc", singular, plural, n)
  32
  33         return gettext.dgettext("libloc", singular)
  34
  35 class CLI(object):
  36         def __init__(self):
  37                 # Open database
  38                 self.db = location.Database("@databasedir@/database.db")
  39
  40         def parse_cli(self):
  41                 parser = argparse.ArgumentParser(
  42                         description=_("Location Database Command Line Interface"),
  43                 )
  44                 subparsers = parser.add_subparsers()
  45
  46                 # Global configuration flags
  47                 parser.add_argument("--debug", action="store_true",
  48                         help=_("Enable debug output"))
  49
  50                 # version
  51                 parser.add_argument("--version", action="version",
  52                         version="%%(prog)s %s" % location.__version__)
  53
  54                 # lookup an IP address
  55                 lookup = subparsers.add_parser("lookup",
  56                         help=_("Lookup one or multiple IP addresses"),
  57                 )
  58                 lookup.add_argument("address", nargs="+")
  59                 lookup.set_defaults(func=self.handle_lookup)
  60
  61                 return parser.parse_args()
  62
  63         def run(self):
  64                 # Parse command line arguments
  65                 args = self.parse_cli()
  66
  67                 # Callback function must be defined
  68                 assert args.func, "Callback function not defined"
  69
  70                 # Call function
  71                 ret = args.func(args)
  72
  73                 # Return with exit code
  74                 if ret:
  75                         sys.exit(ret)
  76
  77                 # Otherwise just exit
  78                 sys.exit(0)
  79
  80         def handle_lookup(self, ns):
  81                 ret = 0
  82
  83                 for address in ns.address:
  84                         try:
  85                                 n = self.db.lookup(address)
  86                         except ValueError:
  87                                 sys.stderr.write(_("Invalid IP address: %s") % address)
  88
  89                         args = {
  90                                 "address" : address,
  91                                 "network" : n,
  92                         }
  93
  94                         # Nothing found?
  95                         if not n:
  96                                 print(_("Nothing found for %(address)s") % args)
  97                                 ret = 1
  98                                 continue
  99
 100                         # Try to retrieve the AS if we have an AS number
 101                         if n.asn:
 102                                 a = self.db.get_as(n.asn)
 103
 104                                 # If we have found an AS we will print it in the message
 105                                 if a:
 106                                         args.update({
 107                                                 "as" : a,
 108                                         })
 109
 110                                         print(_("%(address)s belongs to %(network)s which is a part of %(as)s") % args)
 111                                         continue
 112
 113                         print(_("%(address)s belongs to %(network)s") % args)
 114
 115                 return ret
 116
 117
 118 def main():
 119         # Run the command line interface
 120         c = CLI()
 121         c.run()
 122
 123 main()