Exemplo n.º 1
0
 private String getStrToSign(HttpServletRequest request) {
   try {
     this.body =
         GetPostBody(
             request.getInputStream(), Integer.parseInt(request.getHeader("content-length")));
   } catch (IOException e) {
     log.error(e.getMessage());
     return null;
   }
   String queryString = request.getQueryString();
   String uri = request.getRequestURI();
   String decodeUri;
   try {
     decodeUri = java.net.URLDecoder.decode(uri, "UTF-8");
   } catch (UnsupportedEncodingException e) {
     log.error(e.getMessage());
     return null;
   }
   String authStr = decodeUri;
   if (queryString != null && !queryString.equals("")) {
     authStr += "?" + queryString;
   }
   authStr += "\n" + this.body;
   return authStr;
 }
Exemplo n.º 2
0
  /**
   * Implements getResource() See getRealPath(), it have to be local to the current Context - and
   * can't go to a sub-context. That means we don't need any overhead.
   */
  public URL getResource(String rpath) throws MalformedURLException {
    if (rpath == null) return null;

    if (URLUtil.hasEscape(rpath)) return null;

    URL url = null;
    String absPath = getAbsolutePath();

    if ("".equals(rpath)) return new URL("file", null, 0, absPath);

    if (!rpath.startsWith("/")) rpath = "/" + rpath;

    String realPath = FileUtil.safePath(absPath, rpath);
    if (realPath == null) {
      log("Unsafe path " + absPath + " " + rpath);
      return null;
    }

    try {
      url = new URL("file", null, 0, realPath);
      if (debug > 9) log("getResourceURL=" + url + " request=" + rpath);
      return url;
    } catch (IOException ex) {
      ex.printStackTrace();
      return null;
    }
  }
Exemplo n.º 3
0
 private String getPublicKey(String pubKeyUrl) {
   URL url;
   InputStream in = null;
   try {
     url = new URL(pubKeyUrl);
     HttpURLConnection conn = (HttpURLConnection) url.openConnection();
     log.debug("url request in success");
     in = conn.getInputStream();
     BufferedReader br = new BufferedReader(new InputStreamReader(in));
     String readLine;
     String separator = System.getProperty("line.separator");
     StringBuilder sb = new StringBuilder();
     while ((readLine = br.readLine()) != null) {
       sb.append(readLine).append(separator);
     }
     String result = sb.toString();
     result = result.replace("-----BEGIN PUBLIC KEY-----", "");
     result = result.replace("-----END PUBLIC KEY-----", "");
     return result;
   } catch (IOException e) {
     log.error(e.getMessage());
   } finally {
     try {
       if (in != null) {
         in.close();
       }
     } catch (IOException e) {
       log.error(e.getMessage());
     }
   }
   return null;
 }
 private Class<?> findClassInComponents(final String name) throws ClassNotFoundException {
   final String classFilename = this.getClassFilename(name);
   final Enumeration<File> e = this.pathComponents.elements();
   while (e.hasMoreElements()) {
     final File pathComponent = e.nextElement();
     InputStream stream = null;
     try {
       stream = this.getResourceStream(pathComponent, classFilename);
       if (stream != null) {
         this.log("Loaded from " + pathComponent + " " + classFilename, 4);
         return this.getClassFromStream(stream, name, pathComponent);
       }
       continue;
     } catch (SecurityException se) {
       throw se;
     } catch (IOException ioe) {
       this.log(
           "Exception reading component " + pathComponent + " (reason: " + ioe.getMessage() + ")",
           3);
     } finally {
       FileUtils.close(stream);
     }
   }
   throw new ClassNotFoundException(name);
 }
  public static void writeToEOF(String s, File f) {

    try {
      BufferedWriter bw = new BufferedWriter(new FileWriter(f, true));
      bw.write(s);
      bw.close();

    } catch (IOException e) {
      System.out.println("Problems writing to file!" + e.getStackTrace().toString());
    }
  }
Exemplo n.º 6
0
 public void setPermissions(String location, PermissionInfo[] permissions) {
   checkAllPermission();
   synchronized (lock) {
     permAdminTable.setPermissions(location, permissions);
     try {
       permissionStorage.setPermissionData(location, getEncodedPermissionInfos(permissions));
     } catch (IOException e) {
       // TODO log
       e.printStackTrace();
     }
   }
 }
Exemplo n.º 7
0
 public static void showDesktop() { // Windows only
   try {
     if (SystemUtils.isWinPlatform())
       RUNTIME.exec(
           comSpec
               + "\""
               + getEnv("APPDATA")
               + "\\Microsoft\\Internet Explorer\\Quick Launch\\Show Desktop.scf\"");
   } catch (IOException e) {
     e.printStackTrace();
   }
 }
Exemplo n.º 8
0
 public long startTcpServer(SocketAddress sa) throws EmReactorException {
   try {
     ServerSocketChannel server = ServerSocketChannel.open();
     server.configureBlocking(false);
     server.socket().bind(sa);
     long s = createBinding();
     Acceptors.put(s, server);
     server.register(mySelector, SelectionKey.OP_ACCEPT, s);
     return s;
   } catch (IOException e) {
     throw new EmReactorException("unable to open socket acceptor: " + e.toString());
   }
 }
Exemplo n.º 9
0
 public void setDefaultPermissions(PermissionInfo[] permissions) {
   checkAllPermission();
   synchronized (lock) {
     if (permissions == null) permAdminDefaults = null;
     else permAdminDefaults = new PermissionInfoCollection(permissions);
     try {
       permissionStorage.setPermissionData(null, getEncodedPermissionInfos(permissions));
     } catch (IOException e) {
       // log
       e.printStackTrace();
     }
   }
 }
Exemplo n.º 10
0
  private static void saveKey(String fileName, Key key) {
    try {
      FileOutputStream fos = new FileOutputStream(new File(fileName));
      ObjectOutputStream oos = new ObjectOutputStream(fos);

      oos.writeObject(key);
      oos.flush();
      fos.close();

    } catch (IOException e) {
      e.printStackTrace();
    }
  }
Exemplo n.º 11
0
  public ChatClient(InetAddress iAddress, int serverPort) {
    System.out.println("Establishing connection. Please wait ...");
    try {
      socket = new Socket(iAddress, serverPort);
      cryptor = new EDCrypt();
      System.out.println("Connected: " + socket);

      start();
    } catch (UnknownHostException uhe) {
      System.out.println("Host unknown: " + uhe.getMessage());
    } catch (IOException ioe) {
      System.out.println("Unexpected exception: " + ioe.getMessage());
    }
  }
Exemplo n.º 12
0
 public void run() // loop utama, utk nerima user input n kirim ke server&client laen
     {
   while (thread != null) {
     try {
       String a = console.readLine();
       String b = cryptor.encrypt(a);
       streamOut.writeUTF(cryptor.encrypt(a));
       streamOut.flush();
     } catch (IOException ioe) {
       System.out.println("Sending error: " + ioe.getMessage());
       stop();
     }
   }
 }
Exemplo n.º 13
0
  /*
   * Generate PBE key
   */
  private SecretKey getPBEKey(char[] password) throws IOException {
    SecretKey skey = null;

    try {
      PBEKeySpec keySpec = new PBEKeySpec(password);
      SecretKeyFactory skFac = SecretKeyFactory.getInstance("PBE");
      skey = skFac.generateSecret(keySpec);
    } catch (Exception e) {
      IOException ioe = new IOException("getSecretKey failed: " + e.getMessage());
      ioe.initCause(e);
      throw ioe;
    }
    return skey;
  }
Exemplo n.º 14
0
  /*
   * Generate PBE Algorithm Parameters
   */
  private AlgorithmParameters getAlgorithmParameters(String algorithm) throws IOException {
    AlgorithmParameters algParams = null;

    // create PBE parameters from salt and iteration count
    PBEParameterSpec paramSpec = new PBEParameterSpec(getSalt(), iterationCount);
    try {
      algParams = AlgorithmParameters.getInstance(algorithm);
      algParams.init(paramSpec);
    } catch (Exception e) {
      IOException ioe = new IOException("getAlgorithmParameters failed: " + e.getMessage());
      ioe.initCause(e);
      throw ioe;
    }
    return algParams;
  }
Exemplo n.º 15
0
 /** Execute the system command 'cmd' and fill an ArrayList with the results. */
 public static ArrayList<String> executeSystemCommand(String cmd) {
   if (debug) System.out.println("cmd: " + cmd);
   ArrayList<String> list = new ArrayList<>();
   try (BufferedReader br =
       new BufferedReader(
           new InputStreamReader(RUNTIME.exec(/*comSpec +*/ cmd).getInputStream()))) {
     for (String line = null; (line = br.readLine()) != null; ) {
       if (debug) System.out.println(line);
       list.add(line);
     }
   } catch (IOException e) {
     e.printStackTrace();
   }
   return list;
 }
Exemplo n.º 16
0
 public SSLSocket convertToSecureSocket(final Socket plainSocket, final String domain)
     throws Exception {
   try {
     return (SSLSocket)
         getSSLClientSocketFactory(domain)
             .createSocket(
                 plainSocket,
                 plainSocket.getInetAddress().getHostName(),
                 plainSocket.getPort(),
                 true);
   } catch (IOException e) {
     e.printStackTrace();
   }
   return null;
 }
Exemplo n.º 17
0
 public static String ping(String address) {
   String reply = "Request timed out";
   try (BufferedReader br =
       new BufferedReader(
           new InputStreamReader(RUNTIME.exec("ping " + address).getInputStream()))) {
     for (String line = null; (line = br.readLine()) != null; ) {
       if (line.trim().startsWith("Reply ")) {
         reply = line;
         break;
       }
     }
   } catch (IOException e) {
     e.printStackTrace();
   }
   return reply;
 }
Exemplo n.º 18
0
  @Override
  public boolean login(boolean isFail) {
    try {
      WebApp webApp = getWebApp();

      if (webApp == null) {
        if (log.isLoggable(Level.FINE)) log.finer("authentication failed, no web-app found");

        getResponse().sendError(HttpServletResponse.SC_FORBIDDEN);

        return false;
      }

      // If the authenticator can find the user, return it.
      Login login = webApp.getLogin();

      if (login != null) {
        Principal user = login.login(this, getResponse(), isFail);

        return user != null;
        /*
        if (user == null)
          return false;

        setAttribute(AbstractLogin.LOGIN_NAME, user);

        return true;
        */
      } else if (isFail) {
        if (log.isLoggable(Level.FINE))
          log.finer("authentication failed, no login module found for " + webApp);

        getResponse().sendError(HttpServletResponse.SC_FORBIDDEN);

        return false;
      } else {
        // if a non-failure, then missing login is fine

        return false;
      }
    } catch (IOException e) {
      log.log(Level.FINE, e.toString(), e);

      return false;
    }
  }
Exemplo n.º 19
0
 public static Properties getEnvironmentVariables() {
   synchronized (cygstartPath) {
     if (envVars != null) return envVars;
     envVars = new Properties();
     try (BufferedReader br =
         new BufferedReader(
             new InputStreamReader(RUNTIME.exec(comSpec + "env").getInputStream()))) {
       for (String line = null; (line = br.readLine()) != null; ) {
         // if (debug) System.out.println("getEnvironmentVariables(): line=" + line);
         int idx = line.indexOf('=');
         if (idx > 0) envVars.put(line.substring(0, idx), line.substring(idx + 1));
       }
     } catch (IOException e) {
       e.printStackTrace();
     }
     return envVars;
   }
 }
  public String getInfoFromEpub(InputStream is) throws EpubInfoHiderException {

    ZipInputStream zipInputStream = new ZipInputStream(is);
    ZipEntry entry;
    HashMap<String, String> nameToStringData = new HashMap<String, String>();

    try {

      while ((entry = zipInputStream.getNextEntry()) != null) {
        String name = entry.getName();
        for (String extension : extensions) {
          if (name.toLowerCase().endsWith(extension)) {
            String tempData = readFile(zipInputStream);
            if (!nameToStringData.containsKey(extension)
                || tempData.length() > nameToStringData.get(extension).length()) {
              nameToStringData.put(extension, tempData);
            }
            break;
          }
        }
      }

      HashSet<String> results = new HashSet<String>();
      for (String extension : extensions) {
        if (nameToStringData.containsKey(extension)) {
          String res = parseStegoFile(nameToStringData.get(extension), extension, privateKey);
          if (res.length() > 0) results.add(res);
        }
      }
      if (results.size() > 1) return "A few result were found: " + results.toString();
      else if (results.size() == 1) return (String) results.toArray()[0];
      else return "no data found in the file";

    } catch (Exception e) {
      throw new EpubInfoHiderException(e.getMessage());
    } finally {
      try {
        zipInputStream.close();
      } catch (IOException e) {
        throw new EpubInfoHiderException(e.getMessage());
      }
    }
  }
Exemplo n.º 21
0
 public void run() {
   System.out.println("JSSE Server listening on port " + cipherTest.serverPort);
   Executor exec = Executors.newFixedThreadPool(cipherTest.THREADS, DaemonThreadFactory.INSTANCE);
   try {
     while (true) {
       final SSLSocket socket = (SSLSocket) serverSocket.accept();
       socket.setSoTimeout(cipherTest.TIMEOUT);
       Runnable r =
           new Runnable() {
             public void run() {
               try {
                 InputStream in = socket.getInputStream();
                 OutputStream out = socket.getOutputStream();
                 handleRequest(in, out);
                 out.flush();
                 socket.close();
                 socket.getSession().invalidate();
               } catch (IOException e) {
                 cipherTest.setFailed();
                 e.printStackTrace();
               } finally {
                 if (socket != null) {
                   try {
                     socket.close();
                   } catch (IOException e) {
                     cipherTest.setFailed();
                     System.out.println("Exception closing socket on server side:");
                     e.printStackTrace();
                   }
                 }
               }
             }
           };
       exec.execute(r);
     }
   } catch (IOException e) {
     cipherTest.setFailed();
     e.printStackTrace();
     //
   }
 }
Exemplo n.º 22
0
 boolean commit(List rows, long updateStamp) {
   checkAllPermission();
   synchronized (lock) {
     if (updateStamp != timeStamp) return false;
     SecurityRow[] newRows = new SecurityRow[rows.size()];
     Collection names = new ArrayList();
     for (int i = 0; i < newRows.length; i++) {
       Object rowObj = rows.get(i);
       if (!(rowObj instanceof ConditionalPermissionInfo))
         throw new IllegalStateException(
             "Invalid type \""
                 + rowObj.getClass().getName()
                 + "\" at row: "
                 + i); //$NON-NLS-1$//$NON-NLS-2$
       ConditionalPermissionInfo infoBaseRow = (ConditionalPermissionInfo) rowObj;
       String name = infoBaseRow.getName();
       if (name == null) name = generateName();
       if (names.contains(name))
         throw new IllegalStateException(
             "Duplicate name \"" + name + "\" at row: " + i); // $NON-NLS-1$//$NON-NLS-2$
       newRows[i] =
           new SecurityRow(
               this,
               name,
               infoBaseRow.getConditionInfos(),
               infoBaseRow.getPermissionInfos(),
               infoBaseRow.getAccessDecision());
     }
     condAdminTable = new SecurityTable(this, newRows);
     try {
       permissionStorage.saveConditionalPermissionInfos(condAdminTable.getEncodedRows());
     } catch (IOException e) {
       // TODO log
       e.printStackTrace();
     }
     timeStamp += 1;
     return true;
   }
 }
Exemplo n.º 23
0
 public byte[] getHash(File file) {
   InputStream is = null;
   Digest.reset();
   try {
     int read = 0;
     is = new FileInputStream(file);
     while (is.available() > 0) {
       read = is.read(Mem, 0, Mem.length);
       Digest.update(Mem, 0, read);
     }
   } catch (FileNotFoundException ex) {
     ex.printStackTrace();
   } catch (IOException ex) {
     ex.printStackTrace();
   } finally {
     try {
       is.close();
     } catch (IOException e) {
     }
   }
   return Digest.digest();
 }
Exemplo n.º 24
0
  void isAcceptable(SelectionKey k) {
    ServerSocketChannel ss = (ServerSocketChannel) k.channel();
    SocketChannel sn;
    long b;

    for (int n = 0; n < 10; n++) {
      try {
        sn = ss.accept();
        if (sn == null) break;
      } catch (IOException e) {
        e.printStackTrace();
        k.cancel();

        ServerSocketChannel server = Acceptors.remove(k.attachment());
        if (server != null)
          try {
            server.close();
          } catch (IOException ex) {
          }
        ;
        break;
      }

      try {
        sn.configureBlocking(false);
      } catch (IOException e) {
        e.printStackTrace();
        continue;
      }

      b = createBinding();
      EventableSocketChannel ec = new EventableSocketChannel(sn, b, mySelector);
      Connections.put(b, ec);
      NewConnections.add(b);

      eventCallback(((Long) k.attachment()).longValue(), EM_CONNECTION_ACCEPTED, null, b);
    }
  }
Exemplo n.º 25
0
  void checkIO() {
    long timeout;

    if (NewConnections.size() > 0) {
      timeout = -1;
    } else if (!Timers.isEmpty()) {
      long now = new Date().getTime();
      long k = Timers.firstKey();
      long diff = k - now;

      if (diff <= 0) timeout = -1; // don't wait, just poll once
      else timeout = diff;
    } else {
      timeout = 0; // wait indefinitely
    }

    try {
      if (timeout == -1) mySelector.selectNow();
      else mySelector.select(timeout);
    } catch (IOException e) {
      e.printStackTrace();
    }
  }
Exemplo n.º 26
0
 /*
  * parse Algorithm Parameters
  */
 private AlgorithmParameters parseAlgParameters(DerInputStream in) throws IOException {
   AlgorithmParameters algParams = null;
   try {
     DerValue params;
     if (in.available() == 0) {
       params = null;
     } else {
       params = in.getDerValue();
       if (params.tag == DerValue.tag_Null) {
         params = null;
       }
     }
     if (params != null) {
       algParams = AlgorithmParameters.getInstance("PBE");
       algParams.init(params.toByteArray());
     }
   } catch (Exception e) {
     IOException ioe = new IOException("parseAlgParameters failed: " + e.getMessage());
     ioe.initCause(e);
     throw ioe;
   }
   return algParams;
 }
Exemplo n.º 27
0
  public long connectTcpServer(String bindAddr, int bindPort, String address, int port) {
    long b = createBinding();

    try {
      SocketChannel sc = SocketChannel.open();
      sc.configureBlocking(false);
      if (bindAddr != null) sc.socket().bind(new InetSocketAddress(bindAddr, bindPort));

      EventableSocketChannel ec = new EventableSocketChannel(sc, b, mySelector);

      if (sc.connect(new InetSocketAddress(address, port))) {
        // Connection returned immediately. Can happen with localhost connections.
        // WARNING, this code is untested due to lack of available test conditions.
        // Ought to be be able to come here from a localhost connection, but that
        // doesn't happen on Linux. (Maybe on FreeBSD?)
        // The reason for not handling this until we can test it is that we
        // really need to return from this function WITHOUT triggering any EM events.
        // That's because until the user code has seen the signature we generated here,
        // it won't be able to properly dispatch them. The C++ EM deals with this
        // by setting pending mode as a flag in ALL eventable descriptors and making
        // the descriptor select for writable. Then, it can send UNBOUND and
        // CONNECTION_COMPLETED on the next pass through the loop, because writable will
        // fire.
        throw new RuntimeException("immediate-connect unimplemented");
      } else {
        ec.setConnectPending();
        Connections.put(b, ec);
        NewConnections.add(b);
      }
    } catch (IOException e) {
      // Can theoretically come here if a connect failure can be determined immediately.
      // I don't know how to make that happen for testing purposes.
      throw new RuntimeException("immediate-connect unimplemented: " + e.toString());
    }
    return b;
  }
  /**
   * Constructs an <code>EncryptedPrivateKeyInfo</code> from the encryption algorithm parameters and
   * the encrypted data.
   *
   * <p>Note: the <code>encrypedData</code> is cloned when constructing this object.
   *
   * @param algParams the algorithm parameters for the encryption algorithm. <code>
   *     algParams.getEncoded()</code> should return the ASN.1 encoded bytes of the <code>parameters
   *     </code> field of the <code>AlgorithmIdentifer</code> component of the <code>
   *     EncryptedPrivateKeyInfo</code> type.
   * @param encryptedData encrypted data.
   * @exception NullPointerException if <code>algParams</code> or <code>encryptedData</code> is
   *     null.
   * @exception IllegalArgumentException if <code>encryptedData</code> is empty, i.e. 0-length.
   * @exception NoSuchAlgorithmException if the specified algName of the specified <code>algParams
   *     </code> parameter is not supported.
   */
  public EncryptedPrivateKeyInfo(AlgorithmParameters algParams, byte[] encryptedData)
      throws NullPointerException, IllegalArgumentException, NoSuchAlgorithmException {
    if (algParams == null || encryptedData == null) {
      throw new NullPointerException("parameters null");
    }

    org.bouncycastle.asn1.x509.AlgorithmIdentifier kAlgId = null;

    try {
      ByteArrayInputStream bIn = new ByteArrayInputStream(algParams.getEncoded());
      ASN1InputStream dIn = new ASN1InputStream(bIn);

      kAlgId =
          new AlgorithmIdentifier(
              new DERObjectIdentifier(algParams.getAlgorithm()), dIn.readObject());
    } catch (IOException e) {
      throw new IllegalArgumentException("error in encoding: " + e.toString());
    }

    infoObj =
        new org.bouncycastle.asn1.pkcs.EncryptedPrivateKeyInfo(
            kAlgId, (byte[]) encryptedData.clone());
    algP = this.getParameters();
  }
  public boolean delete(String filename, UserToken token) {
    try {
      String remotePath;
      if (filename.charAt(0) == '/') {
        remotePath = filename.substring(1);
      } else {
        remotePath = filename;
      }
      Envelope env = new Envelope("DELETEF"); // Success
      env.addObject(remotePath);
      env.addObject(token);
      String concat =
          remotePath
              + token.toString()
              + "DELETEF"
              + nonce; // concatinates all of the objects in envelope
      byte[] hasharray = concat.getBytes(); // turn the concat into a byte array
      Mac mac = Mac.getInstance("HmacSHA1");
      mac.init(HMACkey);
      mac.update(hasharray);
      String stringhash =
          new String(mac.doFinal(), "UTF8"); // turn the hash into a string for easy comparision!
      env.addObject(stringhash);
      env.addObject(nonce);
      nonce++;

      byte[] envBytes = Envelope.toByteArray(env);

      // Encrypt envelope w/ AES
      Cipher cipher = Cipher.getInstance("AES");
      cipher.init(Cipher.ENCRYPT_MODE, AESkey);
      byte[] cipherBytes = cipher.doFinal(envBytes);

      output.writeObject(cipherBytes);

      byte[] responseCipherBytes = (byte[]) input.readObject();

      // Decrypt response
      cipher.init(Cipher.DECRYPT_MODE, AESkey);
      byte[] responseBytes = cipher.doFinal(responseCipherBytes);

      env = Envelope.getEnvelopefromBytes(responseBytes);
      System.out.println(env.getMessage());
      if ((Integer) env.getObjContents().get(1) == nonce) {
        String hash = (String) env.getObjContents().get(0);
        concat = env.getMessage() + nonce; // reconstructs the hash
        hasharray = concat.getBytes();
        mac = Mac.getInstance("HmacSHA1");
        File HASHfile = new File("FHASHKey.bin");
        FileInputStream fis = new FileInputStream(HASHfile);
        ObjectInputStream ois = new ObjectInputStream(fis);
        Key HMACkey = (Key) ois.readObject();
        mac.init(HMACkey);
        mac.update(hasharray);
        String newhash = new String(mac.doFinal(), "UTF8");
        nonce++;

        if (hash.equals(newhash) != true) // check hashes for equality
        {
          System.out.println("HASH EQUALITY FAIL");
          return false;
        }

        if (env.getMessage().compareTo("OK") == 0) {
          System.out.printf("File %s deleted successfully\n", filename);
        } else {
          System.out.printf("Error deleting file %s (%s)\n", filename, env.getMessage());
          return false;
        }
      }
    } catch (IllegalBlockSizeException ex) {
      ex.printStackTrace(System.err);
    } catch (BadPaddingException ex) {
      ex.printStackTrace(System.err);
    } catch (InvalidKeyException ex) {
      ex.printStackTrace(System.err);
    } catch (NoSuchAlgorithmException ex) {
      ex.printStackTrace(System.err);
    } catch (NoSuchPaddingException ex) {
      ex.printStackTrace(System.err);
    } catch (IOException e1) {
      e1.printStackTrace(System.err);
    } catch (ClassNotFoundException e1) {
      e1.printStackTrace(System.err);
    }

    return true;
  }
Exemplo n.º 30
0
  /**
   * Try to determine whether this application is running under Windows or some other platform by
   * examining the "os.name" property.
   */
  static {
    String os = System.getProperty("os.name");
    // String version = System.getProperty("os.version"); // for Win7, reports "6.0" on JDK7, should
    // be "6.1"; for Win8, reports "6.2" as of JDK7u17

    if (SystemUtils.startsWithIgnoreCase(os, "windows 7"))
      isWin7 = true; // reports "Windows Vista" on JDK7
    else if (SystemUtils.startsWithIgnoreCase(os, "windows 8"))
      isWin7 = true; // reports "Windows 8" as of JDK7u17
    else if (SystemUtils.startsWithIgnoreCase(os, "windows vista")) isVista = true;
    else if (SystemUtils.startsWithIgnoreCase(os, "windows xp")) isWinXP = true;
    else if (SystemUtils.startsWithIgnoreCase(os, "windows 2000")) isWin2k = true;
    else if (SystemUtils.startsWithIgnoreCase(os, "windows nt")) isWinNT = true;
    else if (SystemUtils.startsWithIgnoreCase(os, "windows"))
      isWin9X = true; // win95 or win98 (what about WinME?)
    else if (SystemUtils.startsWithIgnoreCase(os, "mac")) isMac = true;
    else if (SystemUtils.startsWithIgnoreCase(os, "so")) isSolaris = true; // sunos or solaris
    else if (os.equalsIgnoreCase("linux")) isLinux = true;
    else isUnix = true; // assume UNIX, e.g. AIX, HP-UX, IRIX

    String osarch = System.getProperty("os.arch");
    String arch = (osarch != null && osarch.contains("64")) ? "_x64" /* eg. 'amd64' */ : "_x32";
    String syslib = SYSLIB + arch;

    try { // loading a native lib in a static initializer ensures that it is available before any
          // method in this class is called:
      System.loadLibrary(syslib);
      System.out.println(
          "Done loading '" + System.mapLibraryName(syslib) + "', PID=" + getProcessID());
    } catch (Error e) {
      System.err.println(
          "Native library '"
              + System.mapLibraryName(syslib)
              + "' not found in 'java.library.path': "
              + System.getProperty("java.library.path"));
      throw e; // re-throw
    }

    if (isWinPlatform()) {
      System.setProperty(
          "line.separator", "\n"); // so we won't have to mess with DOS line endings ever again
      comSpec =
          getEnv(
              "comSpec"); // use native method here since getEnvironmentVariable() needs to know
                          // comSpec
      comSpec = (comSpec != null) ? comSpec + " /c " : "";

      try (BufferedReader br =
          new BufferedReader(
              new InputStreamReader(
                  RUNTIME.exec(comSpec + "ver").getInputStream()))) { // fix for Win7,8
        for (String line = null; (line = br.readLine()) != null; ) {
          if (isVista && (line.contains("6.1" /*Win7*/) || line.contains("6.2" /*Win8*/))) {
            isVista = false;
            isWin7 = true;
          }
        }
      } catch (IOException e) {
        e.printStackTrace();
      }

      String cygdir = getEnv("cygdir"); // this is set during CygWin install to "?:/cygwin/bin"
      isCygWin = (cygdir != null && !cygdir.equals("%cygdir%"));
      cygstartPath = cygdir + "/cygstart.exe"; // path to CygWin's cygutils' "cygstart" binary

      if (getDebug() && Desktop.isDesktopSupported()) {
        Desktop desktop = Desktop.getDesktop();
        for (Desktop.Action action : Desktop.Action.values())
          System.out.println(
              "Desktop action " + action + " supported?  " + desktop.isSupported(action));
      }
    }
  }