src/utils/scripts/id2ip

   1 #!/usr/bin/awk -f
   2
   3 # This file is part of the aMule project.
   4 #
   5 # Copyright (c) 2003-2011 aMule Team ( admin@amule.org / http://www.amule.org )
   6 # Copyright (c) 2004-2011 xmb ( http://xmb.ath.cx )
   7 # Copyright (c) 2004-2011 Jacobo Vilella (Jacobo221)
   8 #
   9 # This program is free software; you can redistribute it and/or
  10 # modify it under the terms of the GNU General Public License
  11 # as published by the Free Software Foundation; either
  12 # version 2 of the License, or (at your option) any later version.
  13 #
  14 # This program is distributed in the hope that it will be useful,
  15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 # GNU General Public License for more details.
  18 #
  19 # You should have received a copy of the GNU General Public License
  20 # along with this program; if not, write to the Free Software
  21 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA
  22 #
  23
  24 ##########################################
  25 #                                        #
  26 #   Convert eD2k HighID numbers to IPs   #
  27 #                                        #
  28 ##########################################
  29 #                                        #
  30 #          Original code: xmb            #
  31 #  Further code improvements: Jacobo221  #
  32 #                                        #
  33 #  Contact: IRC @ irc.freenode.net/#awk  #
  34 #           jacobo221 at @amule dot org  #
  35 #                                        #
  36 ##########################################
  37 #                                        #
  38 #  This code is distributed under terms  #
  39 #          of the GPL license            #
  40 #  http://www.gnu.org/copyleft/gpl.html  #
  41 #                                        #
  42 ##########################################
  43 #                                        #
  44 #       Usage: id2ip.awk ID <...>        #
  45 #                                        #
  46 ##########################################
  47
  48 BEGIN {
  49
  50         if (ARGC == 1) {
  51                 printf "Usage: id2ip.awk ID <...>\n"
  52                 exit
  53         }
  54
  55         while (num = ARGV[++i]) {
  56
  57                 if (ARGV[i] < 16777216) {
  58                         printf "%s -> LowID\n",ARGV[i]
  59                 } else if (ARGV[i] > 256*256*256*256) {
  60                         printf "%s -> Invalid IP\n",ARGV[i]
  61                 } else {
  62
  63                         m = 256 * 256 * 256
  64
  65                         for (c = 0; m > 0; c++ ) {
  66                                 IP[c] = int(num / m)
  67                                 num -= IP[c] * m
  68                                 m /= 256
  69                         }
  70
  71                         printf "%s -> %d.%d.%d.%d\n", ARGV[i], IP[3], IP[2], IP[1], IP[0]
  72                 }
  73         }
  74
  75 }