ping或扫描端口的Java工具类
包含了ping和端口扫描工具。可以按网段及端口段扫描，详见测试。
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintStream; import java.net.InetSocketAddress; import java.net.Socket; import java.util.ArrayList; import java.util.HashMap; import java.util.LinkedHashMap; import java.util.List; import java.util.Map; public class Discovery { PrintStream out = null; public Discovery(){ } public Discovery(PrintStream out){ this.out = out; } /** * 对指定的ip(数组)进行ping探测 * * @param ips ip数组 * @return 返回格式为 ip:是否成功 */ public LinkedHashMap<String, Boolean> ping(List<String> ips) { LinkedHashMap<String, Boolean> ret = new LinkedHashMap<String, Boolean>(); Map<String, String> args = new HashMap<String, String>(); BufferedReader br = null; for (String ip : ips) { args.put("ip", ip); String value = SystoolkitConfigure.getValue("ping.command", args); // 获得JVM的运行环境 // Runtime r = Runtime.getRuntime(); // 创建一个ping命令进程 try { Process p = Runtime.getRuntime().exec(value); StringBuilder sb = new StringBuilder(); String line = null; br = new BufferedReader(new InputStreamReader( p.getInputStream())); while ((line = br.readLine()) != null) { sb.append(line.trim()); sb.append('\n'); } br.close(); br = new BufferedReader(new InputStreamReader( p.getErrorStream())); while ((line = br.readLine()) != null) { sb.append(line.trim()); sb.append('\n'); } br.close(); String os = SystoolkitConfigure.getOS().toLowerCase(); if (-1 != os.indexOf("windows")) { int index = sb.toString().indexOf("Packets: Sent = 1, Received = 1,"); ret.put(ip, index != -1); if(null!=out) { out.println(ip+":"+(index != -1)); out.flush(); } } else if (-1 != os.indexOf("linux")) { int index = sb.toString().indexOf("1 packets transmitted, 1 received"); ret.put(ip, index != -1); if(null!=out) { out.println(ip+":"+(index != -1)); out.flush(); } } } catch (IOException e) { // TODO Auto-generated catch block // e.printStackTrace(); } } return ret; } /** * 对指定网段的指定ip范围的机器，进行ping探测 * * @param networkSection * 网段，例:192.168.2 * @param startIp * 开始ip,包含此ip,值>0 * @param endIp * 结束ip,包含此ip,值<255 * @return ping探测结果 */ public LinkedHashMap<String, Boolean> ping(String networkSection, int startIp, int endIp) { List<String> ips = new ArrayList<String>(); if (startIp <= 0 || endIp >= 255) { throw new IllegalArgumentException("startIp<=0 or endIp>=255."); } for (int i = startIp; i <= endIp; i++) { // ips.add(String.format("%s.%d", networkSection,i)); ips.add(networkSection + "." + i); } return ping(ips); } /** * 此方法相当于ping(networkSection,1,254) * * @param networkSection * @return */ public LinkedHashMap<String, Boolean> ping(String networkSection) { return ping(networkSection, 1, 254); } // public LinkedHashMap<String, Boolean> scanPort(String networkSection, // int startIp, int endIp, String port) { // // throw new RuntimeException(); // LinkedHashMap<String, Boolean> ret = new LinkedHashMap<String, Boolean>(); // List<Integer> ports = new ArrayList<Integer>(); // List<String> ips = new ArrayList<String>(); // if (startIp <= 0 || endIp >= 255) { // throw new IllegalArgumentException("startIp<=0 or endIp>=255."); // } // for (int i = startIp; i <= endIp; i++) { // ips.add(networkSection + "." + i); // } // String[] ss = port.split(","); // for (String s : ss) { // if (-1 != s.indexOf('-')) { // String[] range = s.split("-"); // for (int i = Integer.parseInt(range[0]), end = Integer // .parseInt(range[1]); i <= end; i++) { // ports.add(i); // } // } else { // ports.add(Integer.parseInt(s)); // } // } // Socket client = null; // for (String ip : ips) { // for (Integer p : ports) { // try { // client = new Socket(); // client.connect(new InetSocketAddress(ip, p), 300); // ret.put(ip, true); // } catch (Exception ex) { // ret.put(ip, false); // } finally { // try { // if (null != client) // client.close(); // } catch (Exception ex) { // } // } // } // // } // return ret; // } // public void scanPort(List<String> ips, String port, PrintStream out) { // List<Integer> ports = new ArrayList<Integer>(); // // String[] ss = port.split(","); // for (String s : ss) { // if (-1 != s.indexOf('-')) { // String[] range = s.split("-"); // for (int i = Integer.parseInt(range[0]), end = Integer // .parseInt(range[1]); i <= end; i++) { // ports.add(i); // } // } else { // ports.add(Integer.parseInt(s)); // } // } // // Socket client = null; // for (String ip : ips) { // for (Integer p : ports) { // try { // client = new Socket(); // client.connect(new InetSocketAddress(ip, p), 300); // // ret.add(ip+":"+p); // out.println(ip + ":" + p); // out.flush(); // } catch (Exception ex) { // } finally { // try { // if (null != client) // client.close(); // } catch (Exception ex) { // } // } // } // } // // out.close(); // } public List<String> scanPort(String networkSection, int startIp, int endIp, String port) { List<String> ips = new ArrayList<String>(); if (startIp <= 0 || endIp >= 255) { throw new IllegalArgumentException("startIp<=0 or endIp>=255."); } for (int i = startIp; i <= endIp; i++) { ips.add(networkSection + "." + i); } return scanPort(ips,port); } public List<String> scanPort(List<String> ips, String port) { List<String> ret = new ArrayList<String>(); List<Integer> ports = new ArrayList<Integer>(); String[] ss = port.split(","); for (String s : ss) { if (-1 != s.indexOf('-')) { String[] range = s.split("-"); for (int i = Integer.parseInt(range[0]), end = Integer .parseInt(range[1]); i <= end; i++) { ports.add(i); } } else { ports.add(Integer.parseInt(s)); } } Socket client = null; for (String ip : ips) { for (Integer p : ports) { try { client = new Socket(); client.connect(new InetSocketAddress(ip, p), 300); ret.add(ip + ":" + p); if(null!=out){ out.println(ip + ":" + p); out.flush(); } } catch (Exception ex) { // System.out.println(ex.getMessage()); } finally { try { if (null != client) client.close(); } catch (Exception ex) { } } } } return ret; } }
配置扫描
import java.util.Enumeration; import java.util.Map; import java.util.Properties; import java.util.ResourceBundle; import java.util.Set; import java.util.concurrent.ExecutorService; /** * * @author shanl * */ public class SystoolkitConfigure implements Runnable{ private static final String default_configure = "systoolkit_default"; private static String user_configure = "systoolkit"; //private int scanInterval = 1000*60*5; private int scanInterval = 1000*5; private static Properties config = new Properties(); boolean isService = false; /** * 使用默认文件名的配置文件 */ public SystoolkitConfigure(){ } /** * * @param userConfig 用户自定义配置文件 */ public SystoolkitConfigure(String userConfig){ user_configure = userConfig; } public void run() { ResourceBundle confRes = ResourceBundle.getBundle(default_configure); Enumeration<String> keys = confRes.getKeys(); while(keys.hasMoreElements()){ String key = keys.nextElement(); String value = confRes.getString(key); if(null!=value) config.setProperty(key, value); } Properties sysProp = System.getProperties(); config.putAll(sysProp); for(;;){ try{ confRes = ResourceBundle.getBundle(user_configure); keys = confRes.getKeys(); while(keys.hasMoreElements()){ config.setProperty(keys.nextElement(), confRes.getString(keys.nextElement())); } }catch(Exception ex){} if(isService) try{Thread.sleep(scanInterval); }catch(Exception ex){} else break; } } /** * 线程方式启动 * @param threadPool 线程池容器，可以为null */ public void start(ExecutorService threadPool){ isService = true; Thread t = new Thread(this,this.getClass().getSimpleName()); if(null==threadPool){ t.start(); }else{ threadPool.execute(t); } } public void stop(){ this.isService = false; } /** * 设置配置文扫描间隔 * @param interval */ public void setScanInterval(int interval){ this.scanInterval = interval; } /** * 从配置文件中取值 * @param key * @return 如果找不到(或这个键就没有值)，则返回"" */ public static String getValue(String key){ String os = getOS().toLowerCase(); String ret = ""; if(-1!=os.indexOf("windows")){ ret = config.getProperty(key+".windows",""); }else if(-1!=os.indexOf("linux")){ ret = config.getProperty(key+".linux",""); } if("".equals(ret)){ ret = config.getProperty(key, ""); } return ret; } /** * 从配置文件中取值，并把${args.key}的格式替换为args.value * @param key * @param args 参数 * @return */ public static String getValue(String key,Map<String,String> args){ String value = getValue(key); if("".equals(value.trim())) return ""; Set<Map.Entry<String,String>>values = args.entrySet(); for(Map.Entry<String,String> i: values){ value = value .replaceAll("\\${1}\\{{1}"+i.getKey()+"\\}{1}", i.getValue()); } return value; } public static String getOS(){ return System.getProperty("os.name"); } }
systoolkit.properties
test=default test. test.linux=linux test. test.windows=windows test. ping.command.linux=ping -c 1 -s 8 ${ip} ping.command.windows=ping -n 1 -w 1 -l 8 ${ip}
端口扫描测试
/** * 扫描端口 */ static void t2(){ new SystoolkitConfigure().run(); Discovery d = new Discovery(System.out); // d.scanPort("192.168.2", 1, 254, "22,23,80"); List<String> ips = new ArrayList<String>(); ips.add("192.168.2.22"); ips.add("192.168.2.23"); ips.add("192.168.2.54"); ips.add("192.168.2.55"); d.scanPort(ips,"22,23,80,100-200"); }[root@xxxx ~]# java -jar discovery.jar 192.168.2.1:23 192.168.2.1:80 192.168.2.10:80 192.168.2.23:22 192.168.2.37:23 192.168.2.54:22 192.168.2.54:23 192.168.2.56:80 192.168.2.57:22 192.168.2.57:23 192.168.2.100:22 192.168.2.107:22 192.168.2.141:80 192.168.2.154:22 192.168.2.154:23 192.168.2.182:22 192.168.2.183:22 192.168.2.201:22
ping探测测试
/** * ping扫描 */ static void t1(){ new SystoolkitConfigure().run(); Discovery d = new Discovery(System.out); Map<String,Boolean> ret = d.ping("192.168.2"); // System.out.println(ret); List<String> ips = new ArrayList<String>(); ips.add("192.168.2.22"); ips.add("192.168.2.23"); ips.add("192.168.2.54"); ips.add("192.168.2.55"); ret = d.ping(ips); }[root@xxxx ~]# java -jar discovery.jar 192.168.2.1:true 192.168.2.2:false 192.168.2.3:false 192.168.2.4:false 192.168.2.5:false 192.168.2.6:true 192.168.2.7:false 192.168.2.8:true 192.168.2.9:false 192.168.2.10:true 192.168.2.11:true 192.168.2.12:false 192.168.2.13:false 192.168.2.14:false 192.168.2.15:false 192.168.2.16:false 192.168.2.17:false 192.168.2.18:true 192.168.2.19:false 192.168.2.20:false 192.168.2.21:false 192.168.2.22:true 192.168.2.23:true 192.168.2.24:false 192.168.2.25:true 192.168.2.26:false 192.168.2.27:true 192.168.2.28:false 192.168.2.29:false 192.168.2.30:true 192.168.2.31:false 192.168.2.32:true 192.168.2.33:false 192.168.2.34:false 192.168.2.35:false 192.168.2.36:false 192.168.2.37:true
本文由用户 jopen 自行上传分享，仅供网友学习交流。所有权归原作者，若您的权利被侵害，请联系管理员。
转载本站原创文章，请注明出处，并保留原始链接、图片水印。
本站是一个以用户分享为主的开源技术平台，欢迎各类分享！