// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
// Mobius Forensic Toolkit
// Copyright (C) 2008,2009,2010,2011,2012,2013,2014,2015,2016,2017,2018,2019,2020,2021 Eduardo Aguiar
//
// This program is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option) any later
// version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
// Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
#include <mobius/os/win/registry/hive_file.h>
#include <mobius/io/file.h>
#include <mobius/core/application.h>
#include <iostream>
#include <unistd.h>

// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \brief show usage text
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
void
usage ()
{
  std::cerr << std::endl;
  std::cerr << "use: hive_info [OPTIONS] <URL>" << std::endl;
  std::cerr << "e.g: hive_info file://SAM" << std::endl;
  std::cerr << "     hive_info file://NTUSER.dat" << std::endl;
  std::cerr << std::endl;
}

// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \brief print hive file info
//! \param URL hive file URL
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
void
print_hivefile (const std::string& url)
{
  std::cout << std::endl;
  std::cout << ">> " << url << std::endl;

  auto f = mobius::io::new_file_by_url (url);
  auto reader = f.new_reader ();
  mobius::os::win::registry::hive_file hf (reader);

  for (const auto attr : hf.get_metadata ())
    std::cout << "   " << attr.description << ": " << attr.value << std::endl;
}

// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \brief main function
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
int
main (int argc, char **argv)
{
  mobius::core::application app;
  std::cerr << app.get_name () << " v" << app.get_version () << std::endl;
  std::cerr << app.get_copyright () << std::endl;
  std::cerr << "Hive Info v1.0" << std::endl;
  std::cerr << "by Eduardo Aguiar" << std::endl;

  // =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
  // parse command line
  // =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
  int opt;

  while ((opt = getopt (argc, argv, "h")) != EOF)
    {
      switch (opt)
        {
        case 'h':
          usage ();
          exit (EXIT_SUCCESS);
          break;

        default:
          usage ();
          exit (EXIT_FAILURE);
        }
    }

  if (optind >= argc)
    {
      std::cerr << std::endl;
      std::cerr << "Error: you must enter a valid URL to a hive file" << std::endl;
      usage ();
      exit (EXIT_FAILURE);
    }

  // =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
  // show hive info
  // =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
  while (optind < argc)
    {
      try
        {
          print_hivefile (argv[optind]);
        }
      catch (const std::exception& e)
        {
          std::cerr <<  "Error: " << e.what () << std::endl;
          exit (EXIT_FAILURE);
        }

      optind++;
    }

  return EXIT_SUCCESS;
}
