// natLib.java // ------------------------------------- // (C) by Michael Peter Christen; mc@anomic.de // first published on http://www.anomic.de // Frankfurt, Germany, 2004 // last major change: 04.05.2004 // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA // // Using this software in any meaning (reading, learning, copying, compiling, // running) means that you agree that the Author(s) is (are) not responsible // for cost, loss of data or any harm that may be caused directly or indirectly // by usage of this softare or this documentation. The usage of this software // is on your own risk. The installation and usage (starting/running) of this // software may allow other people or application to access your computer and // any attached devices and is highly dependent on the configuration of the // software which must be done by the user of the software; the author(s) is // (are) also not responsible for proper configuration and usage of the // software, even if provoked by documentation provided together with // the software. // // Any changes to this file according to the GPL as documented in the file // gpl.txt aside this file in the shipment you received can be done to the // lines that follows this copyright notice here, but changes must not be // done inside the copyright notive above. A re-distribution must contain // the intact and unchanged copyright notice. // Contributions and changes to the program code must be marked as such. package de.anomic.net; import java.net.InetAddress; import java.net.URL; import java.util.Vector; import de.anomic.http.httpc; import de.anomic.server.serverCore; import de.anomic.tools.disorderHeap; import de.anomic.tools.nxTools; public class natLib { public static String getDI604(String password) { // this pulls off the ip number from the DI-604 router/nat /* wget --quiet --ignore-length http://admin:@192.168.0.1:80/status.htm > /dev/null grep -A 1 "IP Address" status.htm | tail -1 | awk '{print $1}' | awk 'BEGIN{FS=">"} {print $2}' rm status.htm */ try { Vector x = httpc.wget(new URL("http://192.168.0.1:80/status.htm"), 5000, "admin", password, null, 0); x = nxTools.grep(x, 1, "IP Address"); if ((x == null) || (x.size() == 0)) return null; String line = nxTools.tail1(x); return nxTools.awk(nxTools.awk(line, " ", 1), ">", 2); } catch (Exception e) { return null; } } private static String getWhatIsMyIP() { try { Vector x = httpc.wget(new URL("http://www.whatismyip.com/"), 5000, null, null, null, 0); x = nxTools.grep(x, 0, "Your IP is"); String line = nxTools.tail1(x); return nxTools.awk(line, " ", 4); } catch (Exception e) { return null; } } private static String getStanford() { try { Vector x = httpc.wget(new URL("http://www.slac.stanford.edu/cgi-bin/nph-traceroute.pl"), 5000, null, null, null, 0); x = nxTools.grep(x, 0, "firewall protecting your browser"); String line = nxTools.tail1(x); return nxTools.awk(line, " ", 7); } catch (Exception e) { return null; } } private static String getIPID() { try { Vector x = httpc.wget(new URL("http://ipid.shat.net/"), 5000, null, null, null, 0); x = nxTools.grep(x, 2, "Your IP address"); String line = nxTools.tail1(x); return nxTools.awk(nxTools.awk(nxTools.awk(line, " ", 5), ">", 2), "<", 1); } catch (Exception e) { return null; } } private static boolean isNotLocal(String ip) { if ((ip.equals("localhost")) || (ip.startsWith("127")) || (ip.startsWith("192.168")) || (ip.startsWith("10.")) ) return false; return true; } private static boolean isIP(String ip) { if (ip == null) return false; try { InetAddress dummy = InetAddress.getByName(ip); return true; } catch (Exception e) { return false; } } public static boolean isProper(String ip) { if (ip == null) return false; if (ip.indexOf(":") >= 0) return false; // ipv6... return ((isNotLocal(ip)) && (isIP(ip))); } private static int retrieveOptions() { return 3; } private static String retrieveFrom(int option) { if ((option < 0) || (option >= retrieveOptions())) return null; if (option == 0) return getWhatIsMyIP(); if (option == 1) return getStanford(); if (option == 2) return getIPID(); return null; } public static String retrieveIP(boolean DI604, String password, boolean yacyDebugMode) { String ip; if (DI604) { // first try the simple way... ip = getDI604(password); if (isProper(ip)||yacyDebugMode) { //System.out.print("{DI604}"); return ip; } } // maybe this is a dial-up connection (or LAN and DebugMode) and we can get it from java variables InetAddress ia = serverCore.publicIP(); if (ia != null) { ip = ia.getHostAddress(); if (isProper(ip)||yacyDebugMode) return ip; } // now go the uneasy way and ask some web responder disorderHeap random = new disorderHeap(retrieveOptions()); for (int i = 0; i < retrieveOptions(); i++) { ip = retrieveFrom(random.number()); if (isProper(ip)) return ip; } return null; } // rDNS services: // http://www.xdr2.net/reverse_DNS_lookup.asp // http://remote.12dt.com/rns/ // http://bl.reynolds.net.au/search/ // http://www.declude.com/Articles.asp?ID=97 // http://www.dnsstuff.com/ // listlist: http://www.aspnetimap.com/help/welcome/dnsbl.html public static void main(String[] args) { //System.out.println("PROBE DI604 : " + getDI604("")); //System.out.println("PROBE whatismyip: " + getWhatIsMyIP()); //System.out.println("PROBE stanford : " + getStanford()); //System.out.println("PROBE ipid : " + getIPID()); //System.out.println("retrieveIP-NAT : " + retrieveIP(true,"")); //System.out.println("retrieveIP : " + retrieveIP(false,"12345")); System.out.println(isProper(args[0]) ? "yes" : "no"); } }