package jfconfig;
/**
* Created : May 12, 2012
*
* @author pquiring
*/
import java.io.*;
import javax.swing.table.*;
import javaforce.*;
import javaforce.linux.Linux;
public class VPNServerPanel extends javax.swing.JPanel {
/**
* Creates new form VPNServerPanel
*/
public VPNServerPanel() {
initComponents();
loadConfig();
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
private void initComponents() {
jToolBar1 = new javax.swing.JToolBar();
back = new javax.swing.JButton();
apply = new javax.swing.JButton();
restart = new javax.swing.JButton();
jLabel1 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
remoteIPbegin = new javax.swing.JTextField();
jLabel3 = new javax.swing.JLabel();
remoteIPend = new javax.swing.JTextField();
localIP = new javax.swing.JTextField();
jScrollPane2 = new javax.swing.JScrollPane();
auth = new javax.swing.JTable();
jLabel4 = new javax.swing.JLabel();
addRow = new javax.swing.JButton();
delRow = new javax.swing.JButton();
jLabel5 = new javax.swing.JLabel();
dns1 = new javax.swing.JTextField();
jToolBar1.setFloatable(false);
jToolBar1.setRollover(true);
back.setText("< Back");
back.setFocusable(false);
back.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
back.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
back.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
backActionPerformed(evt);
}
});
jToolBar1.add(back);
apply.setText("Apply");
apply.setFocusable(false);
apply.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
apply.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
apply.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
applyActionPerformed(evt);
}
});
jToolBar1.add(apply);
restart.setText("Restart Server");
restart.setFocusable(false);
restart.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
restart.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
restart.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
restartActionPerformed(evt);
}
});
jToolBar1.add(restart);
jLabel1.setText("Local IP:");
jLabel2.setText("Remote IP:");
jLabel3.setText("to");
auth.setModel(new javax.swing.table.DefaultTableModel(
new Object [][] {
},
new String [] {
"username", "password"
}
) {
Class[] types = new Class [] {
java.lang.String.class, java.lang.String.class
};
public Class getColumnClass(int columnIndex) {
return types [columnIndex];
}
});
jScrollPane2.setViewportView(auth);
jLabel4.setText("Authentiation:");
addRow.setText("Add");
addRow.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
addRowActionPerformed(evt);
}
});
delRow.setText("Delete");
delRow.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
delRowActionPerformed(evt);
}
});
jLabel5.setText("DNS:");
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
this.setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jToolBar1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jScrollPane2)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(jLabel4)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(addRow)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(delRow))
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel2)
.addComponent(jLabel1)
.addComponent(jLabel5))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(remoteIPbegin)
.addComponent(localIP)
.addComponent(dns1, javax.swing.GroupLayout.DEFAULT_SIZE, 113, Short.MAX_VALUE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jLabel3)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(remoteIPend, javax.swing.GroupLayout.PREFERRED_SIZE, 69, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGap(0, 0, Short.MAX_VALUE)))
.addContainerGap())
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(jToolBar1, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel1)
.addComponent(localIP, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel2)
.addComponent(remoteIPbegin, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel3)
.addComponent(remoteIPend, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel5)
.addComponent(dns1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel4)
.addComponent(addRow)
.addComponent(delRow))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jScrollPane2, javax.swing.GroupLayout.DEFAULT_SIZE, 541, Short.MAX_VALUE)
.addContainerGap())
);
}// </editor-fold>//GEN-END:initComponents
private void backActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_backActionPerformed
ConfigApp.This.setPanel(new ServersPanel());
}//GEN-LAST:event_backActionPerformed
private void addRowActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_addRowActionPerformed
DefaultTableModel model = (DefaultTableModel)auth.getModel();
model.addRow(new Object[] {"","","",""});
auth.editCellAt(model.getRowCount()-1, 0);
}//GEN-LAST:event_addRowActionPerformed
private void delRowActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_delRowActionPerformed
DefaultTableModel model = (DefaultTableModel)auth.getModel();
int idx = auth.getSelectedRow();
if (idx == -1) return;
model.removeRow(idx);
}//GEN-LAST:event_delRowActionPerformed
private void restartActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_restartActionPerformed
restart();
}//GEN-LAST:event_restartActionPerformed
private void applyActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_applyActionPerformed
apply();
}//GEN-LAST:event_applyActionPerformed
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JButton addRow;
private javax.swing.JButton apply;
private javax.swing.JTable auth;
private javax.swing.JButton back;
private javax.swing.JButton delRow;
private javax.swing.JTextField dns1;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JLabel jLabel3;
private javax.swing.JLabel jLabel4;
private javax.swing.JLabel jLabel5;
private javax.swing.JScrollPane jScrollPane2;
private javax.swing.JToolBar jToolBar1;
private javax.swing.JTextField localIP;
private javax.swing.JTextField remoteIPbegin;
private javax.swing.JTextField remoteIPend;
private javax.swing.JButton restart;
// End of variables declaration//GEN-END:variables
public static class Config {
public String localIP, remoteIPbegin, remoteIPend;
public String auth; //user,pass;user,pass...
public String dns1;
}
private String configFolder = "/etc/jconfig.d/";
private String configFile = "vpnserver.xml";
private Config config = new Config();
private void loadConfig() {
try {
XML xml = new XML();
FileInputStream fis = new FileInputStream(configFolder + configFile);
xml.read(fis);
xml.writeClass(config);
} catch (FileNotFoundException e1) {
defaultConfig();
} catch (Exception e2) {
JFLog.log(e2);
defaultConfig();
}
localIP.setText(config.localIP);
remoteIPbegin.setText(config.remoteIPbegin);
remoteIPend.setText(config.remoteIPend);
dns1.setText(config.dns1);
DefaultTableModel model = (DefaultTableModel)auth.getModel();
String lns[] = config.auth.split(";");
for(int a=0;a<lns.length;a++) {
String f[] = lns[a].split(",");
if (f.length != 2) continue;
model.addRow(new Object[] {f[0], f[1]});
}
}
private void defaultConfig() {
config = new Config();
config.localIP = "192.168.0.1";
config.remoteIPbegin = "192.168.0.200";
config.remoteIPend = "250";
config.auth = "";
config.dns1 = "192.168.0.1";
}
private void saveConfig() {
//save config to configFile
config.localIP = localIP.getText();
config.remoteIPbegin = remoteIPbegin.getText();
config.remoteIPend = remoteIPend.getText();
config.dns1 = dns1.getText();
String auths = "";
DefaultTableModel model = (DefaultTableModel)auth.getModel();
for(int a=0;a<model.getRowCount();a++) {
if (a > 0) auths += ";";
auths += model.getValueAt(a, 0) + "," + model.getValueAt(a, 1);
}
config.auth = auths;
try {
XML xml = new XML();
File tmpFile = File.createTempFile("vpnserver", ".xml");
FileOutputStream fos = new FileOutputStream(tmpFile);
xml.readClass("vpnServer", config);
xml.write(fos);
fos.close();
Linux.mkdir(configFolder);
if (!Linux.copyFile(tmpFile.getAbsolutePath(), configFolder + configFile)) {
tmpFile.delete();
throw new Exception("file io error");
}
tmpFile.delete();
} catch (Exception e) {
JFLog.log(e);
}
}
private void apply() {
saveConfig();
boolean ok = true;
try {
String cfg1 = new String(JF.readAll(this.getClass().getClassLoader().getResourceAsStream("pptpd-options")));
cfg1 = cfg1.replaceAll("[$]DNS1", config.dns1);
File tmpFile1 = File.createTempFile("cfg1", ".conf");
FileOutputStream fos1 = new FileOutputStream(tmpFile1);
fos1.write(cfg1.getBytes());
fos1.close();
String cfg2 = new String(JF.readAll(this.getClass().getClassLoader().getResourceAsStream("pptpd.conf")));
cfg2 = cfg2.replaceAll("[$]LOCALIP", config.localIP);
cfg2 = cfg2.replaceAll("[$]REMOTEIPBEGIN", config.remoteIPbegin);
cfg2 = cfg2.replaceAll("[$]REMOTEIPEND", config.remoteIPend);
File tmpFile2 = File.createTempFile("cfg2", ".conf");
FileOutputStream fos2 = new FileOutputStream(tmpFile2);
fos2.write(cfg2.getBytes());
fos2.close();
File tmpFile3 = File.createTempFile("cfg3", ".conf");
FileOutputStream fos3 = new FileOutputStream(tmpFile3);
String lns[] = config.auth.split(";");
for(int a=0;a<lns.length;a++) {
String f[] = lns[a].split(",");
if (f.length != 2) continue;
fos3.write((f[0] + "\t*\t" + f[1] + "\t*\n").getBytes());
}
fos3.close();
String cfg4 = new String(JF.readAll(new FileInputStream("/etc/sysctl.conf")));
cfg4 = cfg4.replaceAll("[#]net.ipv4.ip_forward=1", "net.ipv4.ip_forward=1"); //enable IP forwarding
File tmpFile4 = File.createTempFile("cfg4", ".conf");
FileOutputStream fos4 = new FileOutputStream(tmpFile4);
fos4.write(cfg4.getBytes());
fos4.close();
//copy tmpFile's to real files via root script
if (!Linux.runScript(new String[] {
"cp " + tmpFile1.getAbsolutePath() + " /etc/ppp/pptpd-options",
"cp " + tmpFile2.getAbsolutePath() + " /etc/pptpd.conf",
"cp " + tmpFile3.getAbsolutePath() + " /etc/ppp/chap-secrets",
"cp " + tmpFile4.getAbsolutePath() + " /etc/sysctl.conf",
})) {
ok = false;
JF.showError("Error", "Failed to apply configuration");
}
tmpFile1.delete();
tmpFile2.delete();
tmpFile3.delete();
tmpFile4.delete();
} catch (Exception e) {
JFLog.log(e);
JF.showError("Error", "Exception:" + e);
return;
}
if (ok) JF.showMessage("Notice", "Apply successful!\nPlease restart server for settings to take effect");
}
private void restart() {
if (Linux.restartService("pptpd"))
JF.showMessage("Notice", "VPN Server Restarted");
else
JF.showError("Error", "Failed to Restart VPN Server");
}
}