Spydroid now detects tethring

src/net/majorkernelpanic/spydroid/Utilities.java

@@ -0,0 +1,100 @@
+package net.majorkernelpanic.spydroid;
+
+/**
+ * Licensed under the GNU LESSER GENERAL PUBLIC LICENSE, version 2.1, dated February 1999.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the latest version of the GNU Lesser General
+ * Public License as published by the Free Software Foundation;
+ *
+ * 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program (LICENSE.txt); if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+//package org.jamwiki.utils;
+
+import java.net.InetAddress;
+import java.net.NetworkInterface;
+import java.net.SocketException;
+import java.util.Enumeration;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.regex.PatternSyntaxException;
+
+/**
+ * This class provides a variety of basic utility methods that are not
+ * dependent on any other classes within the org.jamwiki package structure.
+ */
+public class Utilities {
+	private static Pattern VALID_IPV4_PATTERN = null;
+	private static Pattern VALID_IPV6_PATTERN = null;
+	private static final String ipv4Pattern = "(([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.){3}([01]?\\d\\d?|2[0-4]\\d|25[0-5])";
+	private static final String ipv6Pattern = "([0-9a-f]{1,4}:){7}([0-9a-f]){1,4}";
+
+	static {
+		try {
+			VALID_IPV4_PATTERN = Pattern.compile(ipv4Pattern, Pattern.CASE_INSENSITIVE);
+			VALID_IPV6_PATTERN = Pattern.compile(ipv6Pattern, Pattern.CASE_INSENSITIVE);
+		} catch (PatternSyntaxException e) {
+			//logger.severe("Unable to compile pattern", e);
+		}
+	}
+
+	/**
+	 * Determine if the given string is a valid IPv4 or IPv6 address.  This method
+	 * uses pattern matching to see if the given string could be a valid IP address.
+	 *
+	 * @param ipAddress A string that is to be examined to verify whether or not
+	 *  it could be a valid IP address.
+	 * @return <code>true</code> if the string is a value that is a valid IP address,
+	 *  <code>false</code> otherwise.
+	 */
+	public static boolean isIpAddress(String ipAddress) {
+		Matcher m1 = Utilities.VALID_IPV4_PATTERN.matcher(ipAddress);
+		if (m1.matches()) {
+			return true;
+		}
+		Matcher m2 = Utilities.VALID_IPV6_PATTERN.matcher(ipAddress);
+		return m2.matches();
+	}
+
+	public static boolean isIpv4Address(String ipAddress) {
+		Matcher m1 = Utilities.VALID_IPV4_PATTERN.matcher(ipAddress);
+		return m1.matches();
+	}
+
+	public static boolean isIpv6Address(String ipAddress) {
+		Matcher m1 = Utilities.VALID_IPV6_PATTERN.matcher(ipAddress);
+		return m1.matches();
+	}
+
+
+	/**
+	 * Returns the IP address of the first configured interface of the device
+	 * @param removeIPv6 If true, IPv6 addresses are ignored
+	 * @return the IP address of the first configured interface or null
+	 */
+	public static String getLocalIpAddress(boolean removeIPv6) {
+		try {
+			for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements();) {
+				NetworkInterface intf = en.nextElement();
+				for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();) {
+					InetAddress inetAddress = enumIpAddr.nextElement();
+					if (inetAddress.isSiteLocalAddress() &&
+							!inetAddress.isAnyLocalAddress() &&
+							(!removeIPv6 || isIpv4Address(inetAddress.getHostAddress().toString())) ) {
+						return inetAddress.getHostAddress().toString();
+					}
+				}
+			}
+		} catch (SocketException ignore) {}
+		return null;
+	}
+
+
+}