main.java

这是linux下ssl vpn的实现程序

                if (log.isInfoEnabled())
                    log.info("IP address: " + ip.toString());
            }
        }

        if (log.isInfoEnabled())
            log.info("System properties follow:");
        Properties sysProps = System.getProperties();
        for (Iterator i = sysProps.entrySet().iterator(); i.hasNext();) {
            Map.Entry entry = (Map.Entry) i.next();
            int idx = 0;
            String val = (String) entry.getValue();
            while (true) {
                if (entry.getKey().equals("java.class.path")) {
                    StringTokenizer t = new StringTokenizer(entry.getValue().toString(), System.getProperty("path.separator", ","));
                    while (t.hasMoreTokens()) {
                        String s = t.nextToken();
                        if (log.isInfoEnabled())
                            log.info("java.class.path=" + s);
                    }
                    break;
                } else {
                    if ((val.length() - idx) > 256) {
                        if (log.isInfoEnabled())
                            log.info("  " + entry.getKey() + "=" + val.substring(idx, idx + 256));
                        idx += 256;
                    } else {
                        if (log.isInfoEnabled())
                            log.info("  " + entry.getKey() + "=" + val.substring(idx));
                        break;
                    }
                }
            }
        }
    }

    private void loadSystemProperties() {

        /*
         * Read in system properties from a resource, more a debugging aid than
         * anything else
         */
        InputStream in = null;
        try {
            File f = new File(CONF_DIR, "system.properties");
            in = new FileInputStream(f);
            Properties p = new Properties();
            p.load(in);
            for (Enumeration e = p.keys(); e.hasMoreElements();) {
                String k = (String) e.nextElement();
                System.getProperties().setProperty(k, p.getProperty(k).trim());
            }
        } catch (IOException e) {
            // Dont care
        } finally {
            if (in != null) {
                try {
                    in.close();
                } catch (IOException ioe) {

                }
            }
        }

        /**
         * Are we in development mode?
         */
        useDevConfig = "true".equalsIgnoreCase(System.getProperty("sslexplorer.useDevConfig"));

        if (!"".equals(System.getProperty("sslexplorer.localApplicationStore", ""))) {
            appDir = new File(System.getProperty("sslexplorer.localApplicationStore"));
        }

        //
        System.setProperty("org.mortbay.jetty.servlet.SessionCookie", System.getProperty("sslexplorer.cookie", "JSESSIONID"));
    }

    private Integer parseCommandLine(String[] args) {
        defaultPort = -1;
        jettyLog = "logs/yyyy_mm_dd.request.log";
        boolean fullReset = false;
        try {
            for (int i = 0; i < args.length; i++) {
                if (args[i].equals("--manager")) {
                    System.err
                                    .println("The database manager can no longer be via the SSL-Explorer server command line. Run it directly from hsqldb.jar ensuring you have the SSL-Explorer webapp classes included in your class path.");
                    return new Integer(1);
                } else if (args[i].equals("--setup")) {
                    System.err.println("WARNING: --setup is deprecated, please use --install");
                    install = true;
                } else if (args[i].equals("--install")) {
                    install = true;
                } else if (args[i].equals("--gui")) {
                    String os = System.getProperty("os.name").toLowerCase();
                    if (os.startsWith("windows")) {
                        gui = true;
                    } else if (os.equals("linux") || os.equals("solaris") || os.endsWith("aix")) {
                        String displaySysProp = System.getProperty("sslexplorer.display", "");
                        String display = null;
                        try {
                            display = displaySysProp.equals("") ? System.getenv("DISPLAY") : displaySysProp;
                        } catch (Throwable t) {
                        }
                        gui = display != null && display.length() > 0;
                    }
                } else if (args[i].startsWith("--db")) {
                    DB_DIR = new File(args[i].substring(5));
                    if (DB_DIR.exists() && !DB_DIR.isDirectory()) {
                        throw new Exception("--db option specifies an existing file, must either not exist or be a directory");
                    }
                } else if (args[i].startsWith("--applications")) {
                    appDir = new File(args[i].substring(15));
                    if (appDir.exists() && !appDir.isDirectory()) {
                        throw new Exception("--db option specifies an existing file, must either not exist or be a directory");
                    }
                } else if (args[i].startsWith("--temp")) {
                    TMP_DIR = new File(args[i].substring(7));
                    if (TMP_DIR.exists() && !TMP_DIR.isDirectory()) {
                        throw new Exception("--temp option specifies an existing file, must either not exist or be a directory");
                    }
                } else if (args[i].startsWith("--conf")) {
                    CONF_DIR = new File(args[i].substring(7));
                    if (!CONF_DIR.exists() || !CONF_DIR.isDirectory()) {
                        throw new Exception("--conf option does not specify a valid directory");
                    }
                } else if (args[i].startsWith("--port")) {
                    defaultPort = Integer.parseInt(args[i].substring(7));
                } else if (args[i].startsWith("--jettyLog")) {
                    jettyLog = args[i].substring(11);
                } else if (args[i].equals("--full-reset")) {
                    fullReset = true;
                } else if (args[i].startsWith("start")) {
                    // For compatibility with the install4j launcher
                } else {
                    System.err.println("Starts / configures the SSL Explorer server.\n");
                    System.err.println("Usage: sslexplorer [OPTION]...");
                    System.err.println("\nThe server may be started in setup or normal mode. When setup.\n");
                    System.err.println("mode is enabled a plain http server will be started on port 28080\n");
                    System.err.println("allowing you configure using a browser.\n\n");
                    System.out.println("Options:\n");
                    System.out.println(" --install         Start the server in installation mode.");
                    System.out.println(" --full-reset      Deletes *all* configuration data and resets");
                    System.out.println("                   SSL-Explorer to its initial state. Use with");
                    System.out.println("                   greate caution.");
                    System.out.println(" --db=DIR          Set the directory where the configuration");
                    System.out.println("                   database is stored.");
                    System.out.println(" --conf=DIR        Set the directory where the configuration");
                    System.out.println("                   files are stored.");
                    System.out.println(" --temp=DIR        Set the directory where the temporary");
                    System.out.println("                   files are stored.");
                    System.out.println(" --port=NUMBER     The port on which the server will start.");
                    System.out.println("                   Note that this applies to both setup and");
                    System.out.println("                   normal mode and will overide whatever port");
                    System.out.println("                   been configured within SSL Explorer.");
                    System.out.println(" --jettyLog=LOG    The location of the Jetty NCSA request log.");
                    System.out.println("\nInvalid option: " + args[i] + ".\n");
                    return new Integer(2);
                }
            }

            // Create the temporary directory
            if (!TMP_DIR.exists()) {
                if (!TMP_DIR.mkdirs()) {
                    throw new Exception("Could not create temporary directory " + TMP_DIR.getAbsolutePath() + ".");
                }
            }
        } catch (Exception e) {
            System.err.println(e.getMessage());
            return new Integer(2);
        }

        // Perform a full reset
        if (fullReset) {
            if (fullReset()) {
                System.err.println("SSL-Explorer configuration has been fully reset");
                return new Integer(0);
            } else {
                System.err.println("Aborted full reset.");
                return new Integer(1);
            }
        }

        // Another way for external processes to force starting installation
        // wizard
        if (new File(TMP_DIR, "setup.run").exists()) {
            install = true;
        }

        return null;

    }

    /*
     * Perform a full reset
     */
    private boolean fullReset() {
        if (gui) {
            if (JOptionPane.showConfirmDialog(null, "The embedded configuration database will be\n"
                            + "completely deleted and re-created the next\ntime you run the server. Are you absolutely\n"
                            + "sure you wish to do this?", "Full Reset", JOptionPane.WARNING_MESSAGE, JOptionPane.YES_NO_OPTION) != JOptionPane.OK_OPTION) {
                return false;
            }
        } else {
            System.out.println("The embedded configuration database will be");
            System.out.println("completely deleted and re-created the next");
            System.out.println("time you run the server. Are you absolutely");
            System.out.println("sure you wish to do this?");
            System.out.println();
            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
            while (true) {
                System.out.print("(Y)es or (N)o: ");
                String s;
                try {
                    s = br.readLine();
                    if (s == null) {
                        return false;
                    }
                    if (s.toLowerCase().equals("y") || s.toLowerCase().equals("yes")) {
                        break;
                    }
                    if (s.toLowerCase().equals("n") || s.toLowerCase().equals("no")) {
                        return false;
                    }
                    System.out.println("\nPlease answer 'y' or 'yes' to perform the reset, or 'n' or 'no' to abort the reset.");
                } catch (IOException e) {
                    return false;
                }
            }
        }

        // Start the reset
        System.out.println("Resetting all configuration");
        File[] f = getDBDirectory().listFiles();
        if (f != null) {
            for (int i = 0; i < f.length; i++) {
                if (!f[i].getName().equals("CVS") && !f[i].equals(".cvsignore")) {
                    System.out.println("    Deleting " + f[i].getPath());
                    if (!f[i].delete()) {
                        System.out.println("        Failed to remove");
                    }
                }
            }
        }

        return true;
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sslexplorer.boot.Context#deobfuscatePassword(java.lang.String)
     */
    public String deobfuscatePassword(String val) {
        try {
            return Password.deobfuscate(val);
        } catch (Exception e) {
            return "";
        }
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sslexplorer.boot.Context#obfuscatePassword(java.lang.String)
     */
    public String obfuscatePassword(String val) {
        return Password.obfuscate(val);
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sslexplorer.boot.Context#setTrustMananger(javax.net.ssl.TrustManager)
     */
    public void setTrustMananger(TrustManager trustManager, boolean require) {
        if (listeners == null || listeners.size() == 0) {
            log.warn("Not setting trust managers there are no SSL listeners configured.");
        } else {
            if (log.isInfoEnabled())
                log.info("Set trust managers");
            for (Iterator i = listeners.iterator(); i.hasNext();) {
                SocketListener l = (SocketListener) i.next();
                if (l instanceof CustomJsseListener) {
                    ((CustomJsseListener) l).setNeedClientAuth(trustManager != null);
                    ((CustomJsseListener) l).setTrustManager(trustManager, require);
                }
            }
        }
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sslexplorer.boot.Context#getContextProperty(java.lang.String)
     */
    public String getContextProperty(String key) {

        PropertyDefinition def = (PropertyDefinition) contextPropertyDefinitions.get(key);
        if (def == null) {
            throw new IllegalArgumentException("Context property definition for " + key
                            + " does not exist, it is likely that the property is not defined in context-properties.xml");
        }
        String val = contextProperties.getProperty(key, def.getDefaultValue());
        return def.getType() == PropertyDefinition.TYPE_PASSWORD ? deobfuscatePassword(val) : val;
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sslexplorer.boot.Context#setContextProperty(java.lang.String,
     *      java.lang.String)
     */
    public String setContextProperty(String key, String value) {

        String oldVal = getContextProperty(key);
        PropertyDefinition def = (PropertyDefinition) contextPropertyDefinitions.get(key);
        contextProperties.setProperty(key, def.getType() == PropertyDefinition.TYPE_PASSWORD ? obfuscatePassword(value) : value);

        try {
            OutputStream out = new FileOutputStream(new File(getConfDirectory(), "webserver.properties"));
            contextProperties.store(out, "SSL-Explorer webserver properties");
            Util.closeStream(out);

        } catch (IOException ex) {
            log.error("Failed to save web server properties! Your server may not initialize correctly", ex);
        }
        return oldVal;
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sslexplorer.boot.Context#getContextPropertyDefinitions()
     */
    public List getContextPropertyDefinitions() {
        return new ArrayList(contextPropertyDefinitions.values());
    }

    public void addContextListener(ContextListener contextListener) {
        contextListeners.add(contextListener);
    }

    public void removeContextListener(ContextListener contextListener) {
        contextListeners.remove(contextListener);
    }

    public Preferences getPreferences() {
        return PREF;
    }

}