mirror of
https://github.com/yacy/yacy_search_server.git
synced 2024-09-19 00:01:41 +02:00
04a548a1e3
- fixes for numerous other problems - removed dead code - resdesign of the strings-method, which produces now less memory overhead and may help to prevent OOMs - another fix for the deadlock problem in SplitTable git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6373 6c8d7289-2bf4-0310-a012-ef5d649a1542
106 lines
3.4 KiB
Java
106 lines
3.4 KiB
Java
// 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 de.anomic.search.Switchboard;
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public class natLib {
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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 Switchboard sb=Switchboard.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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// 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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}
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