该工具Jar包可在:http://download.csdn.net/detail/shenjianox/7769783及文档下载地址
ganymed-ssh2简介:
Ganymed SSH-2 for Java是用纯Java实现SSH-2协议的一个包。在使用它的过程中非常容易,只需要指定合法的用户名口令,
或者授权认证文件,就可以创建到远程Linux主机的连接,在建立起来的会话中调用该Linux主机上的脚本文件,执行相关操作。
使用方法:
将 ganymed-ssh2-build210.jar 加入到项目的lib中。
简单示例:
假定我在192.168.0.114的Linux系统的/home/lldu目录下放了一个文件夹test,test文件夹对应测试Java类的包名test,我们在该机器上运用javac ./test/Main.java编译后,再通过调用下面的代码完成远程调用:
import ch.ethz.ssh2.Connection;
import ch.ethz.ssh2.ConnectionInfo;
import ch.ethz.ssh2.Session;
/**
*
* @author lldu
*/
public class Main {
public static void main(String[] args) {
try {
Connection con = new Connection("192.168.0.114");
ConnectionInfo info = con.connect();
boolean result = con.authenticateWithPassword("lldu", "123456");
Session session = con.openSession();
session.execCommand("java test.Main");
} catch (Exception ex) {
System.out.println(ex.getLocalizedMessage());
}
}
}
总结使用步骤:
1.首先构造一个连接器,传入一个需要登陆的ip地址
Connection conn = new Connection(ipAddr);
conn.connect(); // 连接
2.模拟登陆目的服务器 传入用户名和密码 ,
boolean isAuthenticated = conn.authenticateWithPassword(username, password);它会返回一个布尔值,true 代表成功登陆目的服务器,否则登陆失败
3.打开一个session,有点象Hibernate的session ,执行你需要的linux 脚本命令 。
Session sess = conn.openSession();
sess.execCommand("last");
4.接收目标服务器上的控制台返回结果,读取br中的内容
InputStream stdout = new StreamGobbler(sess.getStdout());
BufferedReader br = new BufferedReader(new InputStreamReader(stdout));
5.得到脚本运行成功与否的标志 :0-成功 非0-失败
System.out.println("ExitCode: " + sess.getExitStatus());
6.关闭session和connection
sess.close();
conn.close();
需要说明的是:
1.通过第2步认证成功后,当前目录就位于/home/username/目录之下,你可以指定脚本文件所在的绝对路径,或者通过cd导航到脚本文件所在的目录,然后传递执行脚本所需要的参数,完成脚本调用执行。
2.执行脚本以后,可以获取脚本执行的结果文本,需要对这些文本进行正确编码后返回给客户端,避免乱码产生。
3.如果你需要执行多个linux控制台脚本,比如第一个脚本的返回结果是第二个脚本的入参,你必须打开多个Session,也就是多次调用
Session sess = conn.openSession();,使用完毕记得关闭就可以了
=================================================================================================
摘录部分源码如下:
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import org.apache.log4j.Logger;
import ch.ethz.ssh2.Connection;
import ch.ethz.ssh2.SCPClient;
import ch.ethz.ssh2.Session;
import ch.ethz.ssh2.StreamGobbler;
public class CommandRunner {
private static final Logger logger = Logger.getLogger(CommandRunner.class);
//从其他网络计算机中拿去文件
public static void scpGet(String host, String username, String password,
String remoteFile, String localDir) throws IOException {
if (logger.isDebugEnabled()) {
logger.debug("spc [" + remoteFile + "] from " + host + " to "
+ localDir);
}
Connection conn = getOpenedConnection(host, username, password);
SCPClient client = new SCPClient(conn);
client.get(remoteFile, localDir);
conn.close();
}
//将文件拷贝到其他计算机上
public static void scpPut(String host, String username, String password,
String localFile, String remoteDir) throws IOException {
if (logger.isDebugEnabled()) {
logger.debug("spc [" + localFile + "] to " + host + remoteDir);
}
Connection conn = getOpenedConnection(host, username, password);
SCPClient client = new SCPClient(conn);
client.put(localFile, remoteDir);
conn.close();
}
//执行SSH命令.
public static int runSSH(String host, String username, String password,
String cmd) throws IOException {
if (logger.isDebugEnabled()) {
logger.debug("running SSH cmd [" + cmd + "]");
}
Connection conn = getOpenedConnection(host, username, password);
Session sess = conn.openSession();
sess.execCommand(cmd);
InputStream stdout = new StreamGobbler(sess.getStdout());
BufferedReader br = new BufferedReader(new InputStreamReader(stdout));
while (true) {
String line = br.readLine();
if (line == null)
break;
if (logger.isDebugEnabled()) {
logger.debug(line);
}
}
sess.close();
conn.close();
return sess.getExitStatus().intValue();
}
//获得连接
private static Connection getOpenedConnection(String host, String username,
String password) throws IOException {
if (logger.isDebugEnabled()) {
logger.debug("connecting to " + host + " with user " + username
+ " and pwd " + password);
}
Connection conn = new Connection(host);
conn.connect(); // make sure the connection is opened
boolean isAuthenticated = conn.authenticateWithPassword(username,
password);
if (isAuthenticated == false)
throw new IOException("Authentication failed.");
return conn;
}
//执行本地的cmd命令.(DOS命令)
public static int runLocal(String cmd) throws IOException {
if (logger.isDebugEnabled()) {
logger.debug("running local cmd [" + cmd + "]");
}
Runtime rt = Runtime.getRuntime();
Process p = rt.exec(cmd);
InputStream stdout = new StreamGobbler(p.getInputStream());
BufferedReader br = new BufferedReader(new InputStreamReader(stdout));
while (true) {
String line = br.readLine();
if (line == null)
break;
if (logger.isDebugEnabled()) {
logger.debug(line);
}
}
return p.exitValue();
}
}
Java通过SSH2协议执行远程Shell脚本(ganymed-ssh2-build210.jar),布布扣,bubuko.com
Java通过SSH2协议执行远程Shell脚本(ganymed-ssh2-build210.jar)
原文地址:http://blog.csdn.net/shenjianox/article/details/38637083