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143 lines
3.3 KiB
Bash
143 lines
3.3 KiB
Bash
#!/bin/sh
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# gpg-archive - gpg-ized tar using the same format as PGP's PGP Zip.
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# Copyright (C) 2005 Free Software Foundation, Inc.
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#
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# This file is part of GnuPG.
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#
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# GnuPG 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 2 of the License, or
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# (at your option) any later version.
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#
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# GnuPG 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, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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# Despite the name, PGP Zip format is actually an OpenPGP-wrapped tar
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# file. To be compatible with PGP itself, this must be a USTAR format
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# tar file. Unclear on whether there is a distinction here between
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# the GNU or POSIX variant of USTAR.
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VERSION=@VERSION@
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TAR=@TAR@
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GPG=gpg
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usage="\
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Usage: gpg-zip [--help] [--version] [--encrypt] [--decrypt] [--symmetric]
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[--list-archive] [--output FILE] [--gpg GPG] [--gpg-args ARGS]
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[--tar TAR] [--tar-args ARGS] filename1 [filename2, ...]
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directory1 [directory2, ...]
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Encrypt or sign files into an archive."
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while test $# -gt 0 ; do
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case $1 in
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-h | --help | --h*)
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echo "$usage"
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exit 0
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;;
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--list-archive)
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list=yes
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create=no
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unpack=no
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shift
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;;
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--encrypt | -e)
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gpg_args="$gpg_args --encrypt"
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list=no
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create=yes
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unpack=no
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shift
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;;
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--decrypt | -d)
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gpg_args="$gpg_args --decrypt"
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list=no
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create=no
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unpack=yes
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shift
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;;
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--symmetric | -c)
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gpg_args="$gpg_args --symmetric"
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list=no
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create=yes
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unpack=no
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shift
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;;
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--sign | -s)
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gpg_args="$gpg_args --sign"
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list=no
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create=yes
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unpack=no
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shift
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;;
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--recipient | -r)
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gpg_args="$gpg_args --recipient $2"
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shift
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shift
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;;
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--local-user | -u)
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gpg_args="$gpg_args --local-user $2"
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shift
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shift
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;;
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--output | -o)
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gpg_args="$gpg_args --output $2"
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shift
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shift
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;;
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--version)
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echo "gpg-zip (GnuPG) $VERSION"
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exit 0
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;;
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--gpg)
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GPG=$1
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shift
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;;
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--gpg-args)
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gpg_args="$gpg_args $2"
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shift
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shift
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;;
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--tar)
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TAR=$1
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shift
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;;
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--tar-args)
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tar_args="$tar_args $2"
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shift
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shift
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;;
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--)
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shift
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break
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;;
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-*)
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echo "$usage" 1>&2
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exit 1
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;;
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*)
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break
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;;
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esac
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done
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if test x$create = xyes ; then
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# echo "$TAR -cf - "$@" | $GPG --set-filename x.tar $gpg_args" 1>&2
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$TAR -cf - "$@" | $GPG --set-filename x.tar $gpg_args
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elif test x$list = xyes ; then
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# echo "cat \"$1\" | $GPG $gpg_args | $TAR $tar_args -tf -" 1>&2
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cat "$1" | $GPG $gpg_args | $TAR $tar_args -tf -
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elif test x$unpack = xyes ; then
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# echo "cat \"$1\" | $GPG $gpg_args | $TAR $tar_args -xvf -" 1>&2
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cat "$1" | $GPG $gpg_args | $TAR $tar_args -xvf -
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else
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echo "$usage" 1>&2
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exit 1
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fi
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