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我想執行一個命令在一個Linux服務器上使用Android與JSch的SSH。使用「執行」通道與JSch運行命令不會返回任何輸出
據我所知我連接到服務器,但當我試圖檢索命令的結果時,我什麼都沒有。
連接到服務器:
public class SSHCommand {
public static String executeRemoteCommand(
String username,
String password,
String hostname,
int port) throws Exception {
JSch jsch = new JSch();
Session session = jsch.getSession(username, hostname, port);
session.setPassword(password);
// Avoid asking for key confirmation
Properties prop = new Properties();
prop.put("StrictHostKeyChecking", "no");
session.setConfig(prop);
session.connect();
// SSH Channel
ChannelExec channelssh = (ChannelExec)
session.openChannel("exec");
ByteArrayOutputStream baos = new ByteArrayOutputStream();
channelssh.setOutputStream(baos);
// Execute command
channelssh.setCommand("ls");
channelssh.connect();
channelssh.disconnect();
return baos.toString();
}
}
檢索數據:
public class MainActivity extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final String TAG = "TESTING";
new AsyncTask<Integer, Void, Void>(){
@Override
protected Void doInBackground(Integer... params) {
try {
Log.d(TAG, SSHCommand.executeRemoteCommand("username", "password", "192.168.0.1", 22));
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
}.execute(1);
}
}
缺少什麼我在這裏?
謝謝!這工作 – Will