java - Avoiding password pop ups in JSch -

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i want bypass password step/password pop-up. trying assign password internally upon pop-up. don't want user type again , again.

right can pass internally clicking on ok without in textfield of password , want rid of prompt

import com.jcraft.jsch.*;  import java.awt.*; import java.io.ioexception; import java.io.inputstream; import java.io.outputstream;  import javax.swing.*;  public class jumphosts {      textpanel textpanel = new textpanel();     public static string my_password = "password";  public void jumphosts(final string[] arg,final string command,final textpanel textpanel) {      stringbuffer resultdisplaybuffer = new stringbuffer();      swingworker sw = new swingworker(){              @override             protected object doinbackground() throws exception {                 try{                       jsch jsch = new jsch();                        if(arg.length <= 1){                         system.out.println("this program expects more arguments.");                         system.exit(-1);                       }                        session session = null;                       session[] sessions = new session[arg.length];                        string host = arg[0];                       string user = host.substring(0, host.indexof('@'));                       host = host.substring(host.indexof('@')+1);                        sessions[0] = session = jsch.getsession(user, host, 22);                       session.setuserinfo(new myuserinfo());                       session.connect();                       //resultdisplaybuffer.append("the session has been established "+user+"@"+host+"\n");                       textpanel.appendtext("the session has been established "+user+"@"+host+"\n",textpanel);                        for(int = 1; < arg.length; i++){                         host = arg[i];                         user = host.substring(0, host.indexof('@'));                         host = host.substring(host.indexof('@')+1);                          int assinged_port = session.setportforwardingl(0, host, 22);                         //resultdisplaybuffer.append("portforwarding: "+                         //        "localhost:"+assinged_port+" -> "+host+":"+22+"\n");                         textpanel.appendtext("portforwarding: "+                                         "localhost:"+assinged_port+" -> "+host+":"+22+"\n",textpanel);                         sessions[i] = session =                           jsch.getsession(user, "localhost", assinged_port);                          session.setuserinfo(new myuserinfo());                         session.sethostkeyalias(host);                         session.connect();                         //resultdisplaybuffer.append("the session has been established "+                         //        user+"@"+host+"\n");                         textpanel.appendtext("the session has been established "+                                         user+"@"+host+"\n",textpanel);                       }                        //string command=joptionpane.showinputdialog("enter command, execed sudo",                        //        "printenv sudo_user");  //                      string sudo_pass=null; //                      { //                      jtextfield passwordfield=(jtextfield)new jpasswordfield(8); //                      object[] ob={passwordfield};  //                      int result= //                      joptionpane.showconfirmdialog(null,  //                           ob, //                           "enter password sudo", //                           joptionpane.ok_cancel_option); //                      if(result!=joptionpane.ok_option){ //                      system.exit(-1); //                      }   //                      sudo_pass=passwordfield.gettext(); //                      }                          channel channel=session.openchannel("exec");                          // man sudo                         //   -s  -s (stdin) option causes sudo read password                         //       standard input instead of terminal device.                         //   -p  -p (prompt) option allows override default                         //       password prompt , use custom one.                         ((channelexec)channel).setcommand("sudo -s -p '' "+command);                          inputstream in = channel.getinputstream();                         outputstream out = channel.getoutputstream();                         ((channelexec) channel).seterrstream(system.err);                          channel.connect();                         out.write((my_password + "\n").getbytes());                         out.flush();                           byte[] tmp = new byte[1024];                         while (true) {                             while (in.available() > 0) {                                 int = in.read(tmp, 0, 1024);                                 if (i < 0)                                     break;                                 //resultdisplaybuffer.append(new string(tmp,0,i));                                 textpanel.appendtext(new string(tmp,0,i),textpanel);                                 }                             if (channel.isclosed()) {                                 //resultdisplaybuffer.append(new string("exit-status: " + channel.getexitstatus())+ "\n");                                 textpanel.appendtext(new string("exit-status: " + channel.getexitstatus())+ "\n",textpanel);                                        break;                             }                             try {                                 thread.sleep(1000);                             } catch (exception ee) {                                 system.out.println(ee);                             }                         }                         channel.disconnect();                         //resultdisplaybuffer.append("disconnect\n\n");                         textpanel.appendtext("disconnect\n\n",textpanel);                        for(int = sessions.length-1; >= 0; i--){                         sessions[i].disconnect();                       }                     }                       catch(exception e){                       system.out.println(e);                     }                 return null;             }           //return !("".equals(resultdisplaybuffer.tostring())) ? resultdisplaybuffer.tostring() : "something wrong here, check code errors!";              public void done(){                 try {                     system.out.println(get());                 } catch (exception ex) {                     ex.printstacktrace();                 }             }     };      sw.execute(); }     public static class myuserinfo implements userinfo, uikeyboardinteractive{     public string getpassword(){ return passwd; }     public boolean promptyesno(string str){       object[] options={ "yes", "no" };       int foo=joptionpane.showoptiondialog(null,               str,              "warning",               joptionpane.default_option,               joptionpane.warning_message,              null, options, options[0]);        return foo==0;     }      string passwd;     //jtextfield passwordfield=(jtextfield)new jpasswordfield(20);      public string getpassphrase(){ return null; }     public boolean promptpassphrase(string message){ return true; }     public boolean promptpassword(string message){       //object[] ob={passwordfield};        //int result=       //joptionpane.showconfirmdialog(null, ob, message,     //              joptionpane.ok_cancel_option);      // if(result==joptionpane.ok_option){     passwd= my_password;//passwordfield.gettext();     return true;       //}       //else{ return false; }     }     public void showmessage(string message){       joptionpane.showmessagedialog(null, message);     }     final gridbagconstraints gbc =        new gridbagconstraints(0,0,1,1,1,1,                              gridbagconstraints.northwest,                              gridbagconstraints.none,                              new insets(0,0,0,0),0,0);     private container panel;     public string[] promptkeyboardinteractive(string destination,                                               string name,                                               string instruction,                                               string[] prompt,                                               boolean[] echo){       panel = new jpanel();       panel.setlayout(new gridbaglayout());        gbc.weightx = 1.0;       gbc.gridwidth = gridbagconstraints.remainder;       gbc.gridx = 0;       panel.add(new jlabel(instruction), gbc);       gbc.gridy++;        gbc.gridwidth = gridbagconstraints.relative;        jtextfield[] texts=new jtextfield[prompt.length];       for(int i=0; i<prompt.length; i++){         gbc.fill = gridbagconstraints.none;         gbc.gridx = 0;         gbc.weightx = 1;         panel.add(new jlabel(prompt[i]),gbc);          gbc.gridx = 1;         gbc.fill = gridbagconstraints.horizontal;         gbc.weighty = 1;         if(echo[i]){           texts[i]=new jtextfield(20);         }         else{           texts[i]=new jpasswordfield(20);         }         panel.add(texts[i], gbc);         gbc.gridy++;       }        if(joptionpane.showconfirmdialog(null, panel,                                         destination+": "+name,                                        joptionpane.ok_cancel_option,                                        joptionpane.question_message)          ==joptionpane.ok_option)       {         string[] response = new string[] {my_password};//=new string[prompt.length]; //        for(int i=0; i<prompt.length; i++){ //          response[i]=texts[i].gettext();           return response;         }     //string[] response = null;     //return response;       //}       //else{         //return null;  // cancel       //}     return null;     }   } }


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