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214 lines
7.1 KiB
214 lines
7.1 KiB
// natLib.java
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// -------------------------------------
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// (C) by Michael Peter Christen; mc@yacy.net
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// first published on http://www.anomic.de
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// Frankfurt, Germany, 2004
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// last major change: 04.05.2004
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//
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// $LastChangedDate$
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// $LastChangedRevision$
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// $LastChangedBy$
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package de.anomic.net;
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import java.net.InetAddress;
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import java.net.UnknownHostException;
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import java.util.ArrayList;
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import de.anomic.http.HttpClient;
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import de.anomic.plasma.plasmaSwitchboard;
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import de.anomic.server.serverDomains;
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import de.anomic.tools.disorderHeap;
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import de.anomic.tools.nxTools;
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public class natLib {
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public static String getDI604(final String password) {
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// this pulls off the ip number from the DI-604 router/nat
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/*
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wget --quiet --ignore-length http://admin:<pw>@192.168.0.1:80/status.htm > /dev/null
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grep -A 1 "IP Address" status.htm | tail -1 | awk '{print $1}' | awk 'BEGIN{FS=">"} {print $2}'
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rm status.htm
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*/
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try {
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ArrayList<String> x = nxTools.strings(HttpClient.wget("http://admin:"+password+"@192.168.0.1:80/status.htm", null, 10000));
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x = nxTools.grep(x, 1, "IP Address");
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if ((x == null) || (x.size() == 0)) return null;
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final String line = nxTools.tail1(x);
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return nxTools.awk(nxTools.awk(line, " ", 1), ">", 2);
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} catch (final Exception e) {
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return null;
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}
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}
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private static String getWhatIsMyIP() {
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try {
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ArrayList<String> x = nxTools.strings(HttpClient.wget("http://www.whatismyip.com/", null, 10000));
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x = nxTools.grep(x, 0, "Your IP is");
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final String line = nxTools.tail1(x);
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return nxTools.awk(line, " ", 4);
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} catch (final Exception e) {
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return null;
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}
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}
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private static String getStanford() {
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try {
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ArrayList<String> x = nxTools.strings(HttpClient.wget("http://www.slac.stanford.edu/cgi-bin/nph-traceroute.pl", null, 10000));
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x = nxTools.grep(x, 0, "firewall protecting your browser");
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final String line = nxTools.tail1(x);
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return nxTools.awk(line, " ", 7);
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} catch (final Exception e) {
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return null;
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}
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}
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private static String getIPID() {
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try {
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ArrayList<String> x = nxTools.strings(HttpClient.wget("http://ipid.shat.net/", null, 10000), "UTF-8");
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x = nxTools.grep(x, 2, "Your IP address");
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final String line = nxTools.tail1(x);
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return nxTools.awk(nxTools.awk(nxTools.awk(line, " ", 5), ">", 2), "<", 1);
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} catch (final Exception e) {
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return null;
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}
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}
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private static boolean isNotLocal(final String ip) {
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if ((ip.equals("localhost")) ||
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(ip.startsWith("127")) ||
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(ip.startsWith("192.168")) ||
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(ip.startsWith("172.16")) ||
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(ip.startsWith("10."))
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) return false;
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return true;
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}
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private static boolean isIP(final String ip) {
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if (ip == null) return false;
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try {
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/*InetAddress dummy =*/ InetAddress.getByName(ip);
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return true;
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} catch (final Exception e) {
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return false;
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}
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}
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//TODO: This is not IPv6 compatible
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public static boolean isProper(final String ip) {
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final plasmaSwitchboard sb=plasmaSwitchboard.getSwitchboard();
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if (sb != null) {
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if (sb.isRobinsonMode()) return true;
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final String yacyDebugMode = sb.getConfig("yacyDebugMode", "false");
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if (yacyDebugMode.equals("true")) {
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return true;
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}
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// support for staticIP
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if (sb.getConfig("staticIP", "").equals(ip)) {
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return true;
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}
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}
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if (ip == null) return false;
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if (ip.indexOf(":") >= 0) return false; // ipv6...
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return (isNotLocal(ip)) && (isIP(ip));
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}
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public static final InetAddress getInetAddress(final String ip) {
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if (ip == null) return null;
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if (ip.length() < 8) return null;
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final String[] ips = ip.split("\\.");
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if (ips.length != 4) return null;
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final byte[] ipb = new byte[4];
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try {
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ipb[0] = (byte) Integer.parseInt(ips[0]);
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ipb[1] = (byte) Integer.parseInt(ips[1]);
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ipb[2] = (byte) Integer.parseInt(ips[2]);
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ipb[3] = (byte) Integer.parseInt(ips[3]);
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} catch (final NumberFormatException e) {
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return null;
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}
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try {
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return InetAddress.getByAddress(ipb);
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} catch (final UnknownHostException e) {
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return null;
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}
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}
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private static int retrieveOptions() {
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return 3;
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}
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private static String retrieveFrom(final int option) {
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if ((option < 0) || (option >= retrieveOptions())) return null;
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if (option == 0) return getWhatIsMyIP();
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if (option == 1) return getStanford();
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if (option == 2) return getIPID();
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return null;
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}
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public static String retrieveIP(final boolean DI604, final String password) {
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String ip;
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if (DI604) {
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// first try the simple way...
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ip = getDI604(password);
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if (isProper(ip)) {
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//System.out.print("{DI604}");
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return ip;
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}
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}
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// maybe this is a dial-up connection (or LAN and DebugMode) and we can get it from java variables
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/*InetAddress ia = serverCore.publicIP();
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if (ia != null) {
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ip = ia.getHostAddress();
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if (isProper(ip)) return ip;
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}*/
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ip = serverDomains.myPublicIP();
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if (isProper(ip)) return ip;
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// now go the uneasy way and ask some web responder
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final disorderHeap random = new disorderHeap(retrieveOptions());
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for (int i = 0; i < retrieveOptions(); i++) {
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ip = retrieveFrom(random.number());
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if (isProper(ip)) return ip;
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}
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return null;
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}
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// rDNS services:
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// http://www.xdr2.net/reverse_DNS_lookup.asp
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// http://remote.12dt.com/rns/
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// http://bl.reynolds.net.au/search/
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// http://www.declude.com/Articles.asp?ID=97
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// http://www.dnsstuff.com/
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// listlist: http://www.aspnetimap.com/help/welcome/dnsbl.html
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public static void main(final String[] args) {
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//System.out.println("PROBE DI604 : " + getDI604(""));
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//System.out.println("PROBE whatismyip: " + getWhatIsMyIP());
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//System.out.println("PROBE stanford : " + getStanford());
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//System.out.println("PROBE ipid : " + getIPID());
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//System.out.println("retrieveIP-NAT : " + retrieveIP(true,""));
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//System.out.println("retrieveIP : " + retrieveIP(false,"12345"));
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System.out.println(isProper(args[0]) ? "yes" : "no");
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}
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}
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