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| package cn.psvmc;
import ch.ethz.ssh2.Connection;
import ch.ethz.ssh2.SCPClient;
import ch.ethz.ssh2.Session;
import ch.ethz.ssh2.StreamGobbler;
import org.apache.commons.lang3.StringUtils;
import org.apache.log4j.Logger;
import java.io.*;
public class ConnectLinuxCommand {
private static final Logger logger = Logger.getLogger(ConnectLinuxCommand.class);
private static final String DEFAULTCHARTSET = "UTF-8";
private static Connection conn;
public static Boolean login(RemoteConnect remoteConnect) {
boolean flag = false;
try {
conn = new Connection(remoteConnect.getIp());
conn.connect();
flag = conn.authenticateWithPassword(remoteConnect.getUserName(), remoteConnect.getPassword());
if (flag) {
logger.info("认证成功！");
} else {
logger.error("认证失败！");
conn.close();
}
} catch (IOException e) {
e.printStackTrace();
}
return flag;
}
public static Boolean loginWithoutPwd(RemoteConnect remoteConnect) {
boolean flag = true;
try {
conn = new Connection(remoteConnect.getIp());
conn.connect();
boolean authenticationPartialSuccess = conn.isAuthenticationPartialSuccess();
System.out.println("authenticationPartialSuccess = " + authenticationPartialSuccess);
logger.info("认证成功！");
} catch (IOException e) {
e.printStackTrace();
}
return flag;
}
public static Boolean loginByFileKey(RemoteConnect remoteConnect, File keyFile, String keyfilePass) {
boolean flag = false;
try {
conn = new Connection(remoteConnect.getIp());
conn.connect();
flag = conn.authenticateWithPublicKey(remoteConnect.getUserName(), keyFile, keyfilePass);
if (flag) {
logger.info("认证成功！");
} else {
logger.error("认证失败！");
conn.close();
}
} catch (Exception e) {
e.printStackTrace();
}
return flag;
}
public static Boolean loginByCharsKey(RemoteConnect remoteConnect, char[] keys, String keyPass) {
boolean flag = false;
try {
conn = new Connection(remoteConnect.getIp());
conn.connect();
flag = conn.authenticateWithPublicKey(remoteConnect.getUserName(), keys, keyPass);
if (flag) {
logger.info("认证成功！");
} else {
logger.error("认证失败！");
conn.close();
}
} catch (Exception e) {
e.printStackTrace();
}
return flag;
}
public static String runCmd(String cmd) {
String result = "";
try {
Session session = conn.openSession();
session.execCommand(cmd);
result = processStdout(session.getStdout(), DEFAULTCHARTSET);
if (StringUtils.isBlank(result)) {
result = processStdout(session.getStderr(), DEFAULTCHARTSET);
}
conn.close();
session.close();
} catch (IOException e) {
e.printStackTrace();
}
return result;
}
public static String runCmdSuccess(String cmd) {
String result = "";
try {
Session session = conn.openSession();
session.execCommand(cmd);
result = processStdout(session.getStdout(), DEFAULTCHARTSET);
conn.close();
session.close();
} catch (IOException e) {
e.printStackTrace();
}
return result;
}
public static String processStdout(InputStream in, String charset) {
InputStream stdout = new StreamGobbler(in);
StringBuilder buffer = new StringBuilder();
try {
BufferedReader br = new BufferedReader(new InputStreamReader(stdout, charset));
String line = null;
while ((line = br.readLine()) != null) {
buffer.append(line).append("\n");
}
} catch (IOException e) {
e.printStackTrace();
}
return buffer.toString();
}
public static String runCmd(String ip, String userName, String password, String commandStr) {
logger.info(
"ConnectLinuxCommand scpGet===" +
"ip:" + ip +
" userName:" + userName +
" commandStr:" + commandStr
);
String returnStr = "";
RemoteConnect remoteConnect = new RemoteConnect();
remoteConnect.setIp(ip);
remoteConnect.setUserName(userName);
remoteConnect.setPassword(password);
try {
if (login(remoteConnect)) {
returnStr = runCmd(commandStr);
System.out.println(returnStr);
}
} catch (Exception e) {
e.printStackTrace();
}
return returnStr;
}
public static boolean connectLinuxWithoutPwd(String ip, String userName, String commandStr) {
logger.info("ConnectLinuxCommand scpGet===" + "ip:" + ip + " userName:" + userName + " commandStr:"
+ commandStr);
String returnStr = "";
boolean result = true;
RemoteConnect remoteConnect = new RemoteConnect();
remoteConnect.setIp(ip);
remoteConnect.setUserName(userName);
try {
if (loginWithoutPwd(remoteConnect)) {
returnStr = runCmd(commandStr);
System.out.println(result);
}
} catch (Exception e) {
e.printStackTrace();
}
if (StringUtils.isBlank(returnStr)) {
result = false;
}
return result;
}
public static void scpPull(String ip, String userName, String password, String remoteFile, String localDir)
throws IOException {
logger.info("ConnectLinuxCommand scpGet===" + "ip:" + ip + " userName:" + userName + " remoteFile:"
+ remoteFile + " localDir:" + localDir);
RemoteConnect remoteConnect = new RemoteConnect();
remoteConnect.setIp(ip);
remoteConnect.setUserName(userName);
remoteConnect.setPassword(password);
if (login(remoteConnect)) {
SCPClient client = new SCPClient(conn);
client.get(remoteFile, localDir);
conn.close();
}
}
public static void scpPush(String ip, String userName, String password, String localFile, String remoteDir)
throws IOException {
logger.info("ConnectLinuxCommand scpPut===" + "ip:" + ip + " userName:" + userName + " localFile:"
+ localFile + " remoteDir:" + remoteDir);
RemoteConnect remoteConnect = new RemoteConnect();
remoteConnect.setIp(ip);
remoteConnect.setUserName(userName);
remoteConnect.setPassword(password);
if (login(remoteConnect)) {
SCPClient client = new SCPClient(conn);
client.put(localFile, remoteDir);
conn.close();
}
}
}
|