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1
2 import com.jcraft.jsch.*;
3 import java.awt.*;
4 import javax.swing.*;
5 import java.io.*;
6
7 public class Exec{
8 public static void main(String  [] arg){
9 try{
10 JSch jsch=new JSch();
11
12 String host=JOptionPane.showInputDialog("Enter username@hostname",
13 System.getProperty("user.name")+
14 "@localhost");
15 String user=host.substring(0, host.indexOf('@'));
16 host=host.substring(host.indexOf('@')+1);
17
18 Session session=jsch.getSession(user, host, 22);
19
20
30
31 UserInfo ui=new MyUserInfo();
33 session.setUserInfo(ui);
34 session.connect();
35
36 String command=JOptionPane.showInputDialog("Enter command",
37 "set|grep SSH");
38
39 Channel channel=session.openChannel("exec");
40 ((ChannelExec)channel).setCommand(command);
41
42
45 channel.setInputStream(null);
47
48
50 ((ChannelExec)channel).setErrStream(System.err);
53
54 InputStream in=channel.getInputStream();
55
56 channel.connect();
57
58 byte[] tmp=new byte[1024];
59 while(true){
60 while(in.available()>0){
61 int i=in.read(tmp, 0, 1024);
62 if(i<0)break;
63 System.out.print(new String (tmp, 0, i));
64 }
65 if(channel.isClosed()){
66 System.out.println("exit-status: "+channel.getExitStatus());
67 break;
68 }
69 try{Thread.sleep(1000);}catch(Exception ee){}
70 }
71 channel.disconnect();
72 session.disconnect();
73 }
74 catch(Exception e){
75 System.out.println(e);
76 }
77 }
78
79 public static class MyUserInfo implements UserInfo, UIKeyboardInteractive{
80 public String getPassword(){ return passwd; }
81 public boolean promptYesNo(String str){
82 Object [] options={ "yes", "no" };
83 int foo=JOptionPane.showOptionDialog(null,
84 str,
85 "Warning",
86 JOptionPane.DEFAULT_OPTION,
87 JOptionPane.WARNING_MESSAGE,
88 null, options, options[0]);
89 return foo==0;
90 }
91
92 String passwd;
93 JTextField passwordField=(JTextField)new JPasswordField(20);
94
95 public String getPassphrase(){ return null; }
96 public boolean promptPassphrase(String message){ return true; }
97 public boolean promptPassword(String message){
98 Object [] ob={passwordField};
99 int result=
100 JOptionPane.showConfirmDialog(null, ob, message,
101 JOptionPane.OK_CANCEL_OPTION);
102 if(result==JOptionPane.OK_OPTION){
103 passwd=passwordField.getText();
104 return true;
105 }
106 else{
107 return false;
108 }
109 }
110 public void showMessage(String message){
111 JOptionPane.showMessageDialog(null, message);
112 }
113 final GridBagConstraints gbc =
114 new GridBagConstraints(0,0,1,1,1,1,
115 GridBagConstraints.NORTHWEST,
116 GridBagConstraints.NONE,
117 new Insets(0,0,0,0),0,0);
118 private Container panel;
119 public String [] promptKeyboardInteractive(String destination,
120 String name,
121 String instruction,
122 String [] prompt,
123 boolean[] echo){
124 panel = new JPanel();
125 panel.setLayout(new GridBagLayout());
126
127 gbc.weightx = 1.0;
128 gbc.gridwidth = GridBagConstraints.REMAINDER;
129 gbc.gridx = 0;
130 panel.add(new JLabel(instruction), gbc);
131 gbc.gridy++;
132
133 gbc.gridwidth = GridBagConstraints.RELATIVE;
134
135 JTextField[] texts=new JTextField[prompt.length];
136 for(int i=0; i<prompt.length; i++){
137 gbc.fill = GridBagConstraints.NONE;
138 gbc.gridx = 0;
139 gbc.weightx = 1;
140 panel.add(new JLabel(prompt[i]),gbc);
141
142 gbc.gridx = 1;
143 gbc.fill = GridBagConstraints.HORIZONTAL;
144 gbc.weighty = 1;
145 if(echo[i]){
146 texts[i]=new JTextField(20);
147 }
148 else{
149 texts[i]=new JPasswordField(20);
150 }
151 panel.add(texts[i], gbc);
152 gbc.gridy++;
153 }
154
155 if(JOptionPane.showConfirmDialog(null, panel,
156 destination+": "+name,
157 JOptionPane.OK_CANCEL_OPTION,
158 JOptionPane.QUESTION_MESSAGE)
159 ==JOptionPane.OK_OPTION){
160 String [] response=new String [prompt.length];
161 for(int i=0; i<prompt.length; i++){
162 response[i]=texts[i].getText();
163 }
164 return response;
165 }
166 else{
167 return null; }
169 }
170 }
171 }
172 |
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