#!/bin/bash
#===============================================================================
#
# DIRECTORY:
#   /home/*/.local/share/nautilus/scripts/05a-Windows/
# OR
#   /home/*/.gnome2/nautilus-sctipts/05a-Windows/ (deprecated)
#
# FILE:
#   06-pwdump-Ophcrack
#
# USAGE:
#   Right click on pwdump-?.txt and
#   choose this nautilus script from the context menu.
#
# OPTIONS:
#   none
#
# DESCRIPTION:
#   Starts Ophcrack on the choosen pwdump file.
#
# REQUIREMENTS:
#   bash, zenity and ophcrack
#
# BUGS:
#   ---
#
# NOTES:
#   Tested on
#   - Debian 8+
#   - Arch Linux
#
# AUTHOR:
#   Patrick Neumann, patrick@neumannsland.de
#
# COMPANY:
#   (privately)
#
# VERSION:
#   0.9 (beta)
#
# LINK TO THE MOST CURRENT VERSIONS:
#   https://...
#
# CREATED:
#   21.03.2020
#
# COPYRIGHT (C):
#   2015-2020 - Patrick Neumann
#
# LICENSE:
#   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 3 of the License, or
#   (at your option) any later version.
#
# WARRANTY:
#   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/>.
#
# TODO:
#   ----
#
# HISTORY:
#   0.9 - Patrick Neumann - Initial (public) release
#
#===============================================================================

#-------------------------------------------------------------------------------
# Additional supported Distribution(s) (add before Library!).
#-------------------------------------------------------------------------------
# fred-report-templates have to be copied manually to!
SUPPORTED_OSR="arch"

#-------------------------------------------------------------------------------
# Check for library (casualscripter_nautilus-scripts_functions.sh).
#-------------------------------------------------------------------------------
readonly LIBRARY="${0%/*/*}/.casualscripter_nautilus-scripts_functions.sh"
if [ ! -f "${LIBRARY}" ] ; then
  zenity --error \
         --text \
         "ERROR: casualscripter_nautilus-scripts_functions.sh MISSING!"
  exit 1
fi

source "${LIBRARY}"

#-------------------------------------------------------------------------------
# Checks (see library "casualscripter_nautilus-scripts_functions.sh").
#-------------------------------------------------------------------------------
check_dep "${OPHCRACK_BIN}" "ophcrack"

check_ext "${SOURCE}" "txt"

# I use Free Vista Rainbow tables from
#   https://ophcrack.sourceforge.io/tables.php
#
# For the Professional Vista Rainbow tables you will need a lot more space!
readonly RAINBOW_DIR="/home/${USER}/Ophcrack/tables"
check_dir "${RAINBOW_DIR}"

#-------------------------------------------------------------------------------
# Collect additional options.
#-------------------------------------------------------------------------------
readonly ASK_VF="vista_free"
readonly ASK_VN="vista_num"
readonly ASK_VPF="vista_proba_free"
readonly ASK_VS="vista_special"
readonly SELECTS="$( ${ZENITY_BIN} --list \
                                   --text "Choose rainbow tables:" \
                                   --checklist \
                                   --height=220 \
                                   --column "Pick" \
                                   --column "Option" FALSE "${ASK_VF}" \
                                                     FALSE "${ASK_VN}" \
                                                     TRUE "${ASK_VPF}" \
                                                     FALSE "${ASK_VS}" )"

if [ -z "${SELECTS}" ] ; then
  error_exit "no rainbow table selected"
fi

#-------------------------------------------------------------------------------
# A little bit of configuration before the magic.
#-------------------------------------------------------------------------------
readonly RAINBOW_TABLES="${SELECTS//|/:}"
readonly OPH_LOG="${DIRNAME}/$( ${BASENAME_BIN} "${SOURCE}" )-ophcrack.log"
readonly OPH_CRACKED="${DIRNAME}/$( ${BASENAME_BIN} "${SOURCE}" )-ophcracked.txt"

#-------------------------------------------------------------------------------
# ...
#-------------------------------------------------------------------------------
if [ ! -f "${OPH_CRACKED}" ] ; then
  ${GTERMINAL_BIN} --geometry=100x10 --hide-menubar -- \
    ${OPHCRACK_BIN} -e -g -n 6 -u \
    -d "${RAINBOW_DIR}" \
    -t "${RAINBOW_TABLES}" \
    -f "${SOURCE}" \
    -l "${OPH_LOG}" \
    -o "${OPH_CRACKED}"

  ${SLEEP_BIN} 3

  # We have to wait until ophcrack has finished...
  while ${PGREP_BIN} --full "${OPHCRACK_BIN}" > /dev/null 2>&1; do
    ${SLEEP_BIN} 1
  done
fi

#-------------------------------------------------------------------------------
# Display content of the resultfile "ophcracked.txt".
#-------------------------------------------------------------------------------
display_resultfile "${OPH_CRACKED}"

exit 0