package com.basic.security.utils;
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import java.io.BufferedReader;
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import java.io.InputStreamReader;
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import java.net.InetAddress;
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import java.net.NetworkInterface;
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import java.net.SocketException;
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import java.util.Enumeration;
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public class MacAddressUtils {
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// 根据IP地址获取MAC地址
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public static String getMacAddress() {
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String strMacAddress = null;
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try {
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// 获得IpD地址
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InetAddress ip = getLocalIntentAddress();
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byte[] b = NetworkInterface.getByInetAddress(ip).getHardwareAddress();
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StringBuilder buffer = new StringBuilder();
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for (int i = 0; i < b.length; i++) {
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if (i != 0) {
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buffer.append(':');
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}
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String str = Integer.toHexString(b[i] & 0xFF);
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buffer.append(str.length() == 1 ? 0 + str : str);
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}
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strMacAddress = buffer.toString().toUpperCase();
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} catch (Exception e) {
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e.printStackTrace();
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}
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return strMacAddress;
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}
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// 获取移动设备本地IP
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private static InetAddress getLocalIntentAddress() {
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InetAddress ip = null;
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try {
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// 列举
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Enumeration<NetworkInterface> en_netInterface = NetworkInterface.getNetworkInterfaces();
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while (en_netInterface.hasMoreElements()) {// 是否还有元素
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NetworkInterface ni = en_netInterface.nextElement();// 得到下一个元素
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Enumeration<InetAddress> en_ip = ni.getInetAddresses();// 得到一个ip地址的列举
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while (en_ip.hasMoreElements()) {
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ip = en_ip.nextElement();
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if (!ip.isLoopbackAddress() && !ip.getHostAddress().contains(":"))
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break;
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else
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ip = null;
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}
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if (ip != null) {
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break;
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}
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}
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} catch (SocketException e) {
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e.printStackTrace();
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}
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return ip;
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}
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private static String getLocalIpAddress() {
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try {
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for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements(); ) {
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NetworkInterface intf = en.nextElement();
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for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements(); ) {
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InetAddress inetAddress = enumIpAddr.nextElement();
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if (!inetAddress.isLoopbackAddress()) {
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return inetAddress.getHostAddress();
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}
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}
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}
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} catch (SocketException ex) {
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ex.printStackTrace();
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}
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return null;
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}
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// android 7.0及以上 （2）扫描各个网络接口获取mac地址
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public static String getMachineHardwareAddress() {
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Enumeration<NetworkInterface> interfaces = null;
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try {
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interfaces = NetworkInterface.getNetworkInterfaces();
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} catch (SocketException e) {
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e.printStackTrace();
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}
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String hardWareAddress = null;
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NetworkInterface iF = null;
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if (interfaces == null) {
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return null;
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}
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while (interfaces.hasMoreElements()) {
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iF = interfaces.nextElement();
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try {
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hardWareAddress = bytesToString(iF.getHardwareAddress());
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if (hardWareAddress != null)
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break;
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} catch (SocketException e) {
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e.printStackTrace();
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}
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}
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return hardWareAddress;
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}
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// byte转为String
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private static String bytesToString(byte[] bytes) {
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if (bytes == null || bytes.length == 0) {
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return null;
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}
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StringBuilder buf = new StringBuilder();
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for (byte b : bytes) {
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buf.append(String.format("%02X:", b));
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}
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if (buf.length() > 0) {
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buf.deleteCharAt(buf.length() - 1);
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}
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return buf.toString();
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}
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// 根据busy_box获取本地Mac
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public static String getLocalMacAddressFromBusyBox() {
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String result = "";
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String Mac = "";
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result = callCmd("busybox ifconfig", "HWaddr");
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// 如果返回的result == null，则说明网络不可取
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if (result == null) {
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return "网络异常";
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}
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// 对该行数据进行解析
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// 例如：eth0 Link encap:Ethernet HWaddr 00:16:E8:3E:DF:67
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if (result.length() > 0 && result.contains("HWaddr") == true) {
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Mac = result.substring(result.indexOf("HWaddr") + 6, result.length() - 1);
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result = Mac;
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}
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return result.trim();
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}
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private static String callCmd(String cmd, String filter) {
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String result = "";
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String line = "";
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try {
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Process proc = Runtime.getRuntime().exec(cmd);
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InputStreamReader is = new InputStreamReader(proc.getInputStream());
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BufferedReader br = new BufferedReader(is);
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while ((line = br.readLine()) != null && !line.contains(filter)) {
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result += line;
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}
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result = line;
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} catch (Exception e) {
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e.printStackTrace();
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}
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return result;
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}
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}
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