java 在linux 获取客户端ip和mac
public static String callCmd(String[] cmd) {
String result = "";
String line = "";
Process proc;
try {
proc = Runtime.getRuntime().exec(cmd);
InputStreamReader is = new InputStreamReader(proc.getInputStream());
BufferedReader br = new BufferedReader(is);
while ((line = br.readLine()) != null) {
result += line;
}
} catch (IOException e) {
e.printStackTrace();
}
return result;
}
/**
*
*
*
* @param cmd
* 第一个命令
*
* @param another
* 第二个命令
*
* @return 第二个命令的执行结果
*
*/
public static String callCmd(String[] cmd, String[] another) {
String result = "";
String line = "";
try {
Runtime rt = Runtime.getRuntime();
Process proc = rt.exec(cmd);
proc.waitFor(); // 已经执行完第一个命令,准备执行第二个命令
proc = rt.exec(another);
InputStreamReader is = new InputStreamReader(proc.getInputStream());
BufferedReader br = new BufferedReader(is);
while ((line = br.readLine()) != null) {
result += line;
}
} catch (IOException e) {
e.printStackTrace();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return result;
}
/**
*
*
*
* @param ip
* 目标ip,一般在局域网内
*
* @param sourceString
* 命令处理的结果字符串
*
* @param macSeparator
* mac分隔符号
*
* @return mac地址,用上面的分隔符号表示
*
*/
public static String filterMacAddress(final String ip,
final String sourceString, final String macSeparator) {
String result = "";
String regExp = "((([0-9,A-F,a-f]{1,2}" + macSeparator
+ "){1,5})[0-9,A-F,a-f]{1,2})";
Pattern pattern = Pattern.compile(regExp);
Matcher matcher = pattern.matcher(sourceString);
while (matcher.find()) {
result = matcher.group(1);
if (sourceString.indexOf(ip) <= sourceString.lastIndexOf(matcher
.group(1))) {
break; // 如果有多个IP,只匹配本IP对应的Mac.
}
}
return result;
}
/**
*
*
*
* @param ip
* 目标ip
*
* @return Mac Address
*
*
*
*/
public static String getMacInWindows(final String ip) {
String result = "";
String[] cmd = { "cmd", "/c", "ping " + ip };
String[] another = { "cmd", "/c", "arp -a" };
String cmdResult = callCmd(cmd, another);
result = filterMacAddress(ip, cmdResult, "-");
return result;
}
/**
*
* @param ip
* 目标ip
* @return Mac Address
*
*/
public static String getMacInLinux(final String ip) {
String result = "";
String[] cmd = { "/bin/sh", "-c", "ping " + ip + " -c 2 && arp -a" };
String cmdResult = callCmd(cmd);
result = filterMacAddress(ip, cmdResult, ":");
return result;
}
/**
* 获取MAC地址
*
* @return 返回MAC地址
*/
public static String getMacAddress(String ip) {
String macAddress = "";
macAddress = getMacInWindows(ip).trim();
if (macAddress == null || "".equals(macAddress)) {
macAddress = getMacInLinux(ip).trim();
}
return macAddress;
}
/**
* 获取客户端ip
*
* @param request
* @return
*/
public static String getIpAddr(HttpServletRequest request) {
String ip = request.getHeader("x-forwarded-for");
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = request.getHeader("Proxy-Client-IP");
}
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = request.getHeader("WL-Proxy-Client-IP");
}
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = request.getRemoteAddr();
}
if ("0:0:0:0:0:0:0:1".equals(ip)) {
return "127.0.0.1";
}
return ip;
}
/**
* 获取MAC地址(如果获取ip为127.0.0.1的话就不会得到值了。)
*
* @throws UnknownHostException
* @throws SocketException
*/
public static String getMACAddress(String ip) throws SocketException,
UnknownHostException {
if ("127.0.0.1".equals(ip)) {
return getLocalMac();
}
return getMacAddress(ip);
}
// 获取本机mac
private static String getLocalMac() throws SocketException,
UnknownHostException {
try {
InetAddress ip = InetAddress.getLocalHost();
NetworkInterface network = NetworkInterface.getByInetAddress(ip);
if (network != null) {
byte[] mac = network.getHardwareAddress();
if (mac != null) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < mac.length; i++) {
sb.append(String.format("%02X%s", mac[i],
(i < mac.length - 1) ? "-" : ""));
}
return sb.toString();
}
}
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (SocketException e) {
e.printStackTrace();
}
return null;
}