140 lines
4.1 KiB
Bash
Executable File

#!/bin/bash
#===============================================================================
#
# DIRECTORY:
# /home/*/.local/share/nautilus/scripts/04-RAW/
# OR
# /home/*/.gnome2/nautilus-sctipts/04-RAW/ (deprecated)
#
# FILE:
# 03-md5-and-sha1
#
# USAGE:
# Right klick on a RAW image (.dd) and
# choose this nautilus script from the context menu.
#
# OPTIONS:
# none
#
# DESCRIPTION:
# Calculates MD5 and SHA1 hash values from an image (or other file) in one pass.
#
# REQUIREMENTS:
# bash, zenity, coreutils and openssl
#
# 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:
# 02.04.2016
#
# 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!).
#-------------------------------------------------------------------------------
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 "${LIBRARY}"
#-------------------------------------------------------------------------------
# Checks (see library "casualscripter_nautilus-scripts_functions.sh").
#-------------------------------------------------------------------------------
check_dep "${DC3DD_BIN}" "dc3dd"
check_dep "${TEE_BIN}" "coreutils"
check_dep "${OPENSSL_BIN}" "openssl"
check_dep "${CAT_BIN}" "coreutils"
check_dep "${RM_BIN}" "coreutils"
check_dep "${SED_BIN}" "sed"
check_dep "${BASENAME_BIN}" "coreutils"
# If we do not want to calculate digests for every type of file...
#check_ext "${SOURCE}" "dd|DD|raw|RAW|img|IMG"
check_tmp
#-------------------------------------------------------------------------------
# Generate file for md5 and sha1 checksums, if necessary.
#-------------------------------------------------------------------------------
readonly MD5_SHA1="${TMP}/md5_and_sha1.txt"
if [ ! -f "${MD5_SHA1}" ] ; then
echo "MD5:" > "${MD5_SHA1}"
echo -e "\nSHA1:" > "/tmp/openssl_sha1.tmp"
${GTERMINAL_BIN} --hide-menubar -- \
${BASH_BIN} -c \
"${DC3DD_BIN} if='${SOURCE}' \
| ${TEE_BIN} >( ${OPENSSL_BIN} dgst -md5 -r >> '${MD5_SHA1}' ) \
>( ${OPENSSL_BIN} dgst -sha1 -r >> '/tmp/openssl_sha1.tmp' ) \
> /dev/null ; sleep .1"
${SLEEP_BIN} 3
while ${PGREP_BIN} --full "${DC3DD_BIN}" > /dev/null 2>&1; do
${SLEEP_BIN} 1
done
${CAT_BIN} "/tmp/openssl_sha1.tmp" >> "${MD5_SHA1}"
${RM_BIN} "/tmp/openssl_sha1.tmp"
${SED_BIN} --in-place "s/*stdin/*$( ${BASENAME_BIN} "${SOURCE}" )/" "${MD5_SHA1}"
fi
#-------------------------------------------------------------------------------
# Display content of the resultfile "md5_and_sha1.txt".
#-------------------------------------------------------------------------------
display_resultfile "${MD5_SHA1}"
exit 0