Source code: mindbright/ssh/SSHTunnelDialog.java
1 /******************************************************************************
2 *
3 * Copyright (c) 1998,99 by Mindbright Technology AB, Stockholm, Sweden.
4 * www.mindbright.se, info@mindbright.se
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 *****************************************************************************
17 * $Author: nallen $
18 * $Date: 2001/11/12 16:31:23 $
19 * $Name: $
20 *****************************************************************************/
21 package mindbright.ssh;
22
23 import java.awt.*;
24 import java.awt.event.*;
25
26 import mindbright.util.AWTConvenience;
27
28 public final class SSHTunnelDialog {
29 private static Dialog basicTunnelsDialog = null;
30 private static List tunnelList;
31 private static TextField remoteHost, remotePort, localPort;
32 private static Choice protoChoice;
33 private final static String[] protos = { "general", "ftp", "telnet", "smtp", "http", "pop2", "pop3", "nntp", "imap" };
34 final static int[] servs = { 0, 21, 23, 25, 80, 109, 110, 119, 143 };
35
36 private static SSHPropertyHandler propsHandler;
37 private static Frame parent;
38 private static SSHClient client;
39
40 public static void show(String title, SSHClient cli,
41 SSHPropertyHandler props, Frame p) {
42 propsHandler = props;
43 parent = p;
44 client = cli;
45 if(basicTunnelsDialog == null) {
46 basicTunnelsDialog = new Dialog(parent, title, true);
47
48 GridBagLayout grid = new GridBagLayout();
49 GridBagConstraints gridc = new GridBagConstraints();
50 Label lbl;
51 Button b;
52 ActionListener al;
53
54 basicTunnelsDialog.setLayout(grid);
55
56 gridc.fill = GridBagConstraints.NONE;
57 gridc.anchor = GridBagConstraints.WEST;
58 gridc.gridy = 0;
59 gridc.insets = new Insets(4, 4, 0, 4);
60
61 lbl = new Label("Current local tunnels:");
62 gridc.gridwidth = 2;
63 grid.setConstraints(lbl, gridc);
64 basicTunnelsDialog.add(lbl);
65
66 gridc.fill = GridBagConstraints.BOTH;
67 gridc.anchor = GridBagConstraints.WEST;
68 gridc.insets = new Insets(4, 4, 4, 4);
69 gridc.weightx = 1.0;
70 gridc.weighty = 1.0;
71 gridc.gridwidth = 4;
72 gridc.gridy = 1;
73
74 tunnelList = new List(8);
75 grid.setConstraints(tunnelList, gridc);
76 basicTunnelsDialog.add(tunnelList);
77 tunnelList.addActionListener(new ActionListener() {
78 public void actionPerformed(ActionEvent e) {
79 int i = tunnelList.getSelectedIndex();
80 if(i != -1) {
81 SSHClient.LocalForward fwd = (SSHClient.LocalForward) client.localForwards.elementAt(i);
82 localPort.setText(String.valueOf(fwd.localPort));
83 remotePort.setText(String.valueOf(fwd.remotePort));
84 remoteHost.setText(fwd.remoteHost);
85 for(i = 1; i < servs.length; i++) {
86 if(fwd.remotePort == servs[i]) {
87 protoChoice.select(protos[i]);
88 break;
89 }
90 }
91 if(i == servs.length)
92 protoChoice.select("general");
93 }
94 }
95 });
96
97 gridc.fill = GridBagConstraints.NONE;
98 gridc.weighty = 0;
99 gridc.gridy = 2;
100 gridc.gridwidth = 1;
101
102 lbl = new Label("Local port:");
103 grid.setConstraints(lbl, gridc);
104 basicTunnelsDialog.add(lbl);
105 gridc.fill = GridBagConstraints.HORIZONTAL;
106 gridc.weightx = 1.0;
107 localPort = new TextField("", 5);
108 grid.setConstraints(localPort, gridc);
109 basicTunnelsDialog.add(localPort);
110
111 lbl = new Label("Protocol:");
112 grid.setConstraints(lbl, gridc);
113 gridc.fill = GridBagConstraints.NONE;
114 basicTunnelsDialog.add(lbl);
115 protoChoice = new Choice();
116 for(int i = 0; i < protos.length; i++) {
117 protoChoice.add(protos[i]);
118 }
119 protoChoice.select("general");
120 grid.setConstraints(protoChoice, gridc);
121 basicTunnelsDialog.add(protoChoice);
122 protoChoice.addItemListener(new ItemListener() {
123 public void itemStateChanged(ItemEvent e) {
124 String it = (String)e.getItem();
125 int i;
126 for(i = 0; i < protos.length; i++)
127 if(it.equals(protos[i]))
128 break;
129 if(i > 0) {
130 remotePort.setText(String.valueOf(servs[i]));
131 }
132 }
133 });
134
135 gridc.gridy = 3;
136 lbl = new Label("Remote host:");
137 grid.setConstraints(lbl, gridc);
138 basicTunnelsDialog.add(lbl);
139 gridc.fill = GridBagConstraints.HORIZONTAL;
140 gridc.weightx = 1.0;
141 gridc.gridwidth = 3;
142 remoteHost = new TextField("", 16);
143 grid.setConstraints(remoteHost, gridc);
144 basicTunnelsDialog.add(remoteHost);
145 gridc.gridy = 4;
146 gridc.fill = GridBagConstraints.NONE;
147 gridc.gridwidth = 1;
148 lbl = new Label("Remote port:");
149 grid.setConstraints(lbl, gridc);
150 basicTunnelsDialog.add(lbl);
151 remotePort = new TextField("", 5);
152 gridc.fill = GridBagConstraints.HORIZONTAL;
153 gridc.weightx = 0.9;
154 grid.setConstraints(remotePort, gridc);
155 basicTunnelsDialog.add(remotePort);
156
157 b = new Button("Add");
158 b.addActionListener(new ActionListener() {
159 public void actionPerformed(ActionEvent e) {
160 String rh = remoteHost.getText();
161 String plug = "general";
162 int lp = -1, rp = -1;
163 try {
164 lp = Integer.valueOf(localPort.getText()).intValue();
165 rp = Integer.valueOf(remotePort.getText()).intValue();
166 if(lp < 1 || lp > 65535) {
167 lp = -1;
168 throw new NumberFormatException();
169 }
170 if(rp < 1 || rp > 65535) {
171 rp = -1;
172 throw new NumberFormatException();
173 }
174 } catch (NumberFormatException ee) {
175 if(lp == -1) {
176 localPort.setText("");
177 localPort.requestFocus();
178 } else {
179 remotePort.setText("");
180 remotePort.requestFocus();
181 }
182 return;
183 }
184 if(protoChoice.getSelectedItem().equals("ftp"))
185 plug = "ftp";
186 try {
187 propsHandler.setProperty("local" + client.localForwards.size(),
188 "/" + plug + "/" + lp + ":" + rh + ":" + rp);
189 if(client.isOpened())
190 SSHMiscDialogs.alert("Tunnel Notice",
191 "Tunnel is now open and operational",
192 parent);
193 } catch (Throwable ee) {
194 SSHMiscDialogs.alert("Tunnel Notice",
195 "Could not open tunnel: " +
196 ee.getMessage(), parent);
197 }
198 updateTunnelList();
199 }
200 });
201 gridc.fill = GridBagConstraints.HORIZONTAL;
202 gridc.weightx = 0.1;
203 grid.setConstraints(b, gridc);
204 basicTunnelsDialog.add(b);
205 b = new Button("Delete");
206 b.addActionListener(new ActionListener() {
207 public void actionPerformed(ActionEvent e) {
208 int i = tunnelList.getSelectedIndex();
209 if(i != -1) {
210 propsHandler.removeLocalTunnelAt(i, true);
211 }
212 updateTunnelList();
213 }
214 });
215 grid.setConstraints(b, gridc);
216 basicTunnelsDialog.add(b);
217
218 b = new Button("Close Dialog");
219 b.addActionListener(new AWTConvenience.CloseAction(basicTunnelsDialog));
220 gridc.gridy = 5;
221 gridc.fill = GridBagConstraints.NONE;
222 gridc.gridwidth = GridBagConstraints.REMAINDER;
223 gridc.anchor = GridBagConstraints.CENTER;
224 gridc.ipady = 2;
225 gridc.ipadx = 2;
226 grid.setConstraints(b, gridc);
227 basicTunnelsDialog.add(b);
228
229 basicTunnelsDialog.addWindowListener(new AWTConvenience.CloseAdapter(b));
230
231 AWTConvenience.setBackgroundOfChildren(basicTunnelsDialog);
232
233 basicTunnelsDialog.setResizable(true);
234 basicTunnelsDialog.pack();
235 }
236 updateTunnelList();
237
238 basicTunnelsDialog.setTitle(title);
239
240 AWTConvenience.placeDialog(basicTunnelsDialog);
241 localPort.requestFocus();
242 basicTunnelsDialog.setVisible(true);
243 }
244
245 private static void updateTunnelList() {
246 tunnelList.removeAll();
247 for(int i = 0; i < client.localForwards.size(); i++) {
248 SSHClient.LocalForward fwd = (SSHClient.LocalForward) client.localForwards.elementAt(i);
249 String plugStr = (fwd.plugin.equals("general") ? "" : " (plugin: " + fwd.plugin + ")");
250 tunnelList.add("local: " + fwd.localPort + " -> remote: " + fwd.remoteHost + "/" +
251 fwd.remotePort + plugStr);
252 }
253 }
254
255 }