Method user

cSploit/src/org/csploit/android/core/ExecChecker.java:139–167

check if the cSploit user can create executable files inside a directory. @param dir directory to check @return true if can execute files into dir, false otherwise

(String dir)

   * @return true if can execute files into {@code dir}, false otherwise
   */
  private boolean user(String dir) {
    String tmpname;
    File tmpfile = null;

    if(dir==null)
      return false;

    tmpfile = new File(dir);

    try {
      if(!tmpfile.exists())
        tmpfile.mkdirs();

      do {
        tmpname = UUID.randomUUID().toString();
      } while((tmpfile = new File(dir, tmpname)).exists());

      tmpfile.createNewFile();

      return (tmpfile.canExecute() || tmpfile.setExecutable(true, false));

    } catch (IOException e) {
      Logger.warning(String.format("cannot create files over '%s'",dir));
    } finally {
      if(tmpfile!=null && tmpfile.exists())
        tmpfile.delete();
    }
    return false;
  }

  /**
   * check if we can execute binaries in {@code dir}