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 parse_cli(self):
  37                 parser = argparse.ArgumentParser(
  38                         description=_("Location Database Command Line Interface"),
  39                 )
  40                 subparsers = parser.add_subparsers()
  41
  42                 # Global configuration flags
  43                 parser.add_argument("--debug", action="store_true",
  44                         help=_("Enable debug output"))
  45
  46                 # version
  47                 parser.add_argument("--version", action="version",
  48                         version="%%(prog)s %s" % location.__version__)
  49
  50                 # database
  51                 parser.add_argument("--database", "-d",
  52                         default="@databasedir@/database.db", help=_("Path to database"),
  53                 )
  54
  55                 # lookup an IP address
  56                 lookup = subparsers.add_parser("lookup",
  57                         help=_("Lookup one or multiple IP addresses"),
  58                 )
  59                 lookup.add_argument("address", nargs="+")
  60                 lookup.set_defaults(func=self.handle_lookup)
  61
  62                 # Get AS
  63                 get_as = subparsers.add_parser("get-as",
  64                         help=_("Get information about one or multiple Autonomous Systems"),
  65                 )
  66                 get_as.add_argument("asn", nargs="+")
  67                 get_as.set_defaults(func=self.handle_get_as)
  68
  69                 # Search for AS
  70                 search_as = subparsers.add_parser("search-as",
  71                         help=_("Search for Autonomous Systems that match the string"),
  72                 )
  73                 search_as.add_argument("query", nargs=1)
  74                 search_as.set_defaults(func=self.handle_search_as)
  75
  76                 # List all networks in a country
  77                 search_as = subparsers.add_parser("list-networks-by-cc",
  78                         help=_("Lists all networks in a country"),
  79                 )
  80                 search_as.add_argument("country_code", nargs=1)
  81                 search_as.set_defaults(func=self.handle_list_networks_by_cc)
  82
  83                 args = parser.parse_args()
  84
  85                 # Print usage if no action was given
  86                 if not "func" in args:
  87                         parser.print_usage()
  88                         sys.exit(2)
  89
  90                 return args
  91
  92         def run(self):
  93                 # Parse command line arguments
  94                 args = self.parse_cli()
  95
  96                 # Open database
  97                 try:
  98                         db = location.Database(args.database)
  99                 except FileNotFoundError as e:
 100                         sys.stderr.write("location-query: Could not open database %s: %s\n" \
 101                                 % (args.database, e))
 102                         sys.exit(1)
 103
 104                 # Call function
 105                 ret = args.func(db, args)
 106
 107                 # Return with exit code
 108                 if ret:
 109                         sys.exit(ret)
 110
 111                 # Otherwise just exit
 112                 sys.exit(0)
 113
 114         def handle_lookup(self, db, ns):
 115                 ret = 0
 116
 117                 for address in ns.address:
 118                         try:
 119                                 n = db.lookup(address)
 120                         except ValueError:
 121                                 print(_("Invalid IP address: %s") % address, file=sys.stderr)
 122
 123                         args = {
 124                                 "address" : address,
 125                                 "network" : n,
 126                         }
 127
 128                         # Nothing found?
 129                         if not n:
 130                                 print(_("Nothing found for %(address)s") % args, file=sys.stderr)
 131                                 ret = 1
 132                                 continue
 133
 134                         # Try to retrieve the AS if we have an AS number
 135                         if n.asn:
 136                                 a = db.get_as(n.asn)
 137
 138                                 # If we have found an AS we will print it in the message
 139                                 if a:
 140                                         args.update({
 141                                                 "as" : a,
 142                                         })
 143
 144                                         print(_("%(address)s belongs to %(network)s which is a part of %(as)s") % args)
 145                                         continue
 146
 147                         print(_("%(address)s belongs to %(network)s") % args)
 148
 149                 return ret
 150
 151         def handle_get_as(self, db, ns):
 152                 """
 153                         Gets information about Autonomous Systems
 154                 """
 155                 ret = 0
 156
 157                 for asn in ns.asn:
 158                         try:
 159                                 asn = int(asn)
 160                         except ValueError:
 161                                 print(_("Invalid ASN: %s") % asn, file=sys.stderr)
 162                                 ret = 1
 163                                 continue
 164
 165                         # Fetch AS from database
 166                         a = db.get_as(asn)
 167
 168                         # Nothing found
 169                         if not a:
 170                                 print(_("Could not find AS%s") % asn, file=sys.stderr)
 171                                 ret = 1
 172                                 continue
 173
 174                         print(_("AS%(asn)s belongs to %(name)s") % { "asn" : a.number, "name" : a.name })
 175
 176                 return ret
 177
 178         def handle_search_as(self, db, ns):
 179                 for query in ns.query:
 180                         # Print all matches ASes
 181                         for a in db.search_as(query):
 182                                 print(a)
 183
 184         def handle_list_networks_by_cc(self, db, ns):
 185                 for country_code in ns.country_code:
 186                         # Print all matching networks
 187                         for n in db.search_networks(country_code=country_code):
 188                                 print(n)
 189
 190 def main():
 191         # Run the command line interface
 192         c = CLI()
 193         c.run()
 194
 195 main()