// natLib.java
// -------------------------------------
// (C) by Michael Peter Christen; mc@yacy.net
// first published on http://www.anomic.de
// Frankfurt, Germany, 2004
// last major change: 04.05.2004
//
// $LastChangedDate$
// $LastChangedRevision$
// $LastChangedBy$
//
// 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
package de.anomic.net;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.ArrayList;
import de.anomic.http.HttpClient;
import de.anomic.kelondro.util.FileUtils;
import de.anomic.plasma.plasmaSwitchboard;
import de.anomic.server.serverDomains;
import de.anomic.tools.disorderHeap;
import de.anomic.tools.nxTools;
public class natLib {
public static String getDI604(final String password) {
// this pulls off the ip number from the DI-604 router/nat
/*
wget --quiet --ignore-length http://admin:<pw>@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 {
ArrayList<String> x = FileUtils.strings(HttpClient.wget("http://admin:"+password+"@192.168.0.1:80/status.htm", null, 10000));
x = nxTools.grep(x, 1, "IP Address");
if ((x == null) || (x.size() == 0)) return null;
final String line = nxTools.tail1(x);
return nxTools.awk(nxTools.awk(line, " ", 1), ">", 2);
} catch (final Exception e) {
return null;
}
}
private static String getWhatIsMyIP() {
try {
ArrayList<String> x = FileUtils.strings(HttpClient.wget("http://www.whatismyip.com/", null, 10000));
x = nxTools.grep(x, 0, "Your IP is");
final String line = nxTools.tail1(x);
return nxTools.awk(line, " ", 4);
} catch (final Exception e) {
return null;
}
}
private static String getStanford() {
try {
ArrayList<String> x = FileUtils.strings(HttpClient.wget("http://www.slac.stanford.edu/cgi-bin/nph-traceroute.pl", null, 10000));
x = nxTools.grep(x, 0, "firewall protecting your browser");
final String line = nxTools.tail1(x);
return nxTools.awk(line, " ", 7);
} catch (final Exception e) {
return null;
}
}
private static String getIPID() {
try {
ArrayList<String> x = FileUtils.strings(HttpClient.wget("http://ipid.shat.net/", null, 10000), "UTF-8");
x = nxTools.grep(x, 2, "Your IP address");
final String line = nxTools.tail1(x);
return nxTools.awk(nxTools.awk(nxTools.awk(line, " ", 5), ">", 2), "<", 1);
} catch (final Exception e) {
return null;
}
}
private static boolean isNotLocal(final String ip) {
if ((ip.equals("localhost")) ||
(ip.startsWith("127")) ||
(ip.startsWith("192.168")) ||
(ip.startsWith("172.16")) ||
(ip.startsWith("10."))
) return false;
return true;
}
private static boolean isIP(final String ip) {
if (ip == null) return false;
try {
/*InetAddress dummy =*/ InetAddress.getByName(ip);
return true;
} catch (final Exception e) {
return false;
}
}
//TODO: This is not IPv6 compatible
public static boolean isProper(final String ip) {
final plasmaSwitchboard sb=plasmaSwitchboard.getSwitchboard();
if (sb != null) {
if (sb.isRobinsonMode()) return true;
final String yacyDebugMode = sb.getConfig("yacyDebugMode", "false");
if (yacyDebugMode.equals("true")) {
return true;
}
// support for staticIP
if (sb.getConfig("staticIP", "").equals(ip)) {
return true;
}
}
if (ip == null) return false;
if (ip.indexOf(":") >= 0) return false; // ipv6...
return (isNotLocal(ip)) && (isIP(ip));
}
public static final InetAddress getInetAddress(final String ip) {
if (ip == null) return null;
if (ip.length() < 8) return null;
final String[] ips = ip.split("\\.");
if (ips.length != 4) return null;
final byte[] ipb = new byte[4];
try {
ipb[0] = (byte) Integer.parseInt(ips[0]);
ipb[1] = (byte) Integer.parseInt(ips[1]);
ipb[2] = (byte) Integer.parseInt(ips[2]);
ipb[3] = (byte) Integer.parseInt(ips[3]);
} catch (final NumberFormatException e) {
return null;
}
try {
return InetAddress.getByAddress(ipb);
} catch (final UnknownHostException e) {
return null;
}
}
private static int retrieveOptions() {
return 3;
}
private static String retrieveFrom(final 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(final boolean DI604, final String password) {
String ip;
if (DI604) {
// first try the simple way...
ip = getDI604(password);
if (isProper(ip)) {
//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)) return ip;
}*/
ip = serverDomains.myPublicIP();
if (isProper(ip)) return ip;
// now go the uneasy way and ask some web responder
final 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(final 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");
}
}