141 lines
4.8 KiB
Bash
Executable File
141 lines
4.8 KiB
Bash
Executable File
#!/bin/bash
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#===============================================================================
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#
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# DIRECTORY:
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# /home/*/.local/share/nautilus/scripts/01-verify/
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# OR
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# /home/*/.gnome2/nautilus-sctipts/01-verify/ (deprecated)
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#
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# FILE:
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# 02b-minisign-verify
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#
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# USAGE:
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# Right klick on the first file of an EWF image and
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# choose this nautilus script from the context menu.
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#
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# OPTIONS:
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# none
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#
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# DESCRIPTION:
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# Verifies that an logfile was digitally signed by a specific examiner.
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#
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# REQUIREMENTS:
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# bash, zenity, minisign and coreutils
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#
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# BUGS:
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# ---
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#
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# NOTES:
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# Tested on
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# - Arch Linux
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#
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# AUTHOR:
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# Patrick Neumann, patrick@neumannsland.de
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#
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# COMPANY:
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# (privately)
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#
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# VERSION:
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# 0.9 (beta)
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#
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# LINK TO THE MOST CURRENT VERSIONS:
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# https://...
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#
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# CREATED:
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# 10.09.2020
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#
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# COPYRIGHT (C):
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# 2015-2020 - Patrick Neumann
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#
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# LICENSE:
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# WARRANTY:
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# TODO:
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# ---
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#
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# HISTORY:
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# 0.9 - Patrick Neumann - Initial (public) release
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#
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#===============================================================================
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#-------------------------------------------------------------------------------
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# Additional supported Distribution(s) (add before Library!).
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#-------------------------------------------------------------------------------
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SUPPORTED_OSR="arch"
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#-------------------------------------------------------------------------------
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# Check for library (casualscripter_nautilus-scripts_functions.sh).
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#-------------------------------------------------------------------------------
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readonly LIBRARY="${0%/*/*}/.casualscripter_nautilus-scripts_functions.sh"
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if [ ! -f "${LIBRARY}" ] ; then
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zenity --error \
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--text \
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"ERROR: casualscripter_nautilus-scripts_functions.sh MISSING!"
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exit 1
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fi
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source "${LIBRARY}"
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#-------------------------------------------------------------------------------
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# Checks (see library "casualscripter_nautilus-scripts_functions.sh").
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#-------------------------------------------------------------------------------
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check_dep "${GTERMINAL_BIN}" "gnome-terminal"
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check_dep "${MINISIGN_BIN}" "minisign"
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check_dep "${BASENAME_BIN}" "coreutils"
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check_ext "${SOURCE}" "info|log|txt"
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check_tmp
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#-------------------------------------------------------------------------------
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# Ask user for minisign public key file.
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#-------------------------------------------------------------------------------
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if [ ! -r "${SOURCE}.minisig" ] ; then
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error_exit "no minisign signature file (.minisig) found"
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fi
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if [ -r "${DIRNAME}/minisign.pub" ] ; then
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readonly MINISIGN_PUB="${DIRNAME}/minisign.pub"
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else
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readonly MINISIGN_PUB="$( ${ZENITY_BIN} --title="Select minisign public key file" \
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--file-selection )"
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if [ -z "${MINISIGN_PUB}" ] ; then
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error_exit "no minisign public key file choosen"
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fi
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fi
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#-------------------------------------------------------------------------------
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# Generate signify minisign file, if necessary.
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#-------------------------------------------------------------------------------
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readonly MINISIGNVERIFY="${TMP}/minisign-verify-$( ${BASENAME_BIN} "${SOURCE}" ).txt"
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if [ ! -f "${MINISIGNVERIFY}" ] ; then
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${PRINTF_BIN} "Verified log file:\n %s\n\n" "$( ${BASENAME_BIN} "${SOURCE}" )" > "${MINISIGNVERIFY}"
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${PRINTF_BIN} "Verified signature file:\n %s\n\n" "$( ${BASENAME_BIN} "${SOURCE}" ).minisig" >> "${MINISIGNVERIFY}"
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${PRINTF_BIN} "MD5 of log file:\n %s\n\n" "$( ${OPENSSL_BIN} dgst -md5 "${SOURCE}" | ${AWK_BIN} '{ print $NF }' )" >> "${MINISIGNVERIFY}"
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${PRINTF_BIN} "SHA1 of log file:\n %s\n\n" "$( ${OPENSSL_BIN} dgst -sha1 "${SOURCE}" | ${AWK_BIN} '{ print $NF }' )" >> "${MINISIGNVERIFY}"
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${PRINTF_BIN} "Used minisign public key file:\n %s\n\n" "$( ${BASENAME_BIN} "${MINISIGN_PUB}" )" >> "${MINISIGNVERIFY}"
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${PRINTF_BIN} "Output of minisign:\n " >> "${MINISIGNVERIFY}"
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${MINISIGN_BIN} -V -p "${MINISIGN_PUB}" -m "${SOURCE}" >> "${MINISIGNVERIFY}" 2>&1
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fi
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#-------------------------------------------------------------------------------
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# Display content of the resultfile "minisign-verify.txt".
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#-------------------------------------------------------------------------------
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display_resultfile "${MINISIGNVERIFY}"
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exit 0
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