/usr/sbin/amaespipe is in amanda-common 1:3.5.1-1build2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 | #!/bin/sh
#
# Copyright (c) 2007-2012 Zmanda Inc. All Rights Reserved.
#
# 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
# of the License, 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, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Contact information: Carbonite Inc., 756 N Pastoria Ave
# Sunnyvale, CA 94086, USA, or: http://www.zmanda.com
#
prefix="/usr"
exec_prefix="${prefix}"
sbindir="/usr/sbin"
amlibexecdir="/usr/lib/amanda"
. "${amlibexecdir}/amanda-sh-lib.sh"
# add sbin and ucb dirs
PATH="$PATH:/usr/sbin:/sbin:/usr/ucb"
export PATH
# wrapper script to use aespipe
# based on bz2aespipe distributed by aespipe from
# http://loop-aes.sourceforge.net/
# FILE FORMAT
# 10 bytes: constant string 'bz2aespipe'
# 10 bytes: itercountk digits
# 1 byte: '0' = AES128, '1' = AES192, '2' = AES256
# 1 byte: '0' = SHA256, '1' = SHA384, '2' = SHA512, '3' = RMD160
# 24 bytes: random seed string
# remaining bytes are aespipe encrypted
# These definitions are only used when encrypting.
# Decryption will autodetect these definitions from archive.
ENCRYPTION=AES256
HASHFUNC=SHA256
ITERCOUNTK=100
WAITSECONDS=1
AMANDA_HOME=~backup
GPGKEY="$AMANDA_HOME/.gnupg/am_key.gpg"
FDNUMBER=3
if test x$1 = x-d ; then
# decrypt
n=`/bin/dd bs=10 count=1 2> /dev/null | tr -d -c 0-9a-zA-Z`
if test x${n} != xbz2aespipe ; then
echo "bz2aespipe: wrong magic - aborted" >/dev/tty
exit 1
fi
itercountk=`/bin/dd bs=10 count=1 2> /dev/null | tr -d -c 0-9`
if test x${itercountk} = x ; then itercountk=0; fi
n=`/bin/dd bs=1 count=1 2> /dev/null | tr -d -c 0-9`
encryption=AES128
if test x${n} = x1 ; then encryption=AES192; fi
if test x${n} = x2 ; then encryption=AES256; fi
n=`/bin/dd bs=1 count=1 2> /dev/null | tr -d -c 0-9`
hashfunc=SHA256
if test x${n} = x1 ; then hashfunc=SHA384; fi
if test x${n} = x2 ; then hashfunc=SHA512; fi
if test x${n} = x3 ; then hashfunc=RMD160; fi
seedstr=`/bin/dd bs=24 count=1 2> /dev/null | tr -d -c 0-9a-zA-Z+/`
aespipe -K ${GPGKEY} -p ${FDNUMBER} -e ${encryption} -H ${hashfunc} \
-S ${seedstr} -C ${itercountk} -d
else
# encrypt
echo -n bz2aespipe
echo ${ITERCOUNTK} | awk '{printf "%10u", $1;}'
n=`echo ${ENCRYPTION} | tr -d -c 0-9`
aesstr=0
if test x${n} = x192 ; then aesstr=1; fi
if test x${n} = x256 ; then aesstr=2; fi
n=`echo ${HASHFUNC} | tr -d -c 0-9`
hashstr=0
if test x${n} = x384 ; then hashstr=1; fi
if test x${n} = x512 ; then hashstr=2; fi
if test x${n} = x160 ; then hashstr=3; fi
seedstr=`head -c 18 /dev/urandom | uuencode -m - | head -n 2 | tail -n 1`
echo -n ${aesstr}${hashstr}${seedstr}
aespipe -K ${GPGKEY} -p ${FDNUMBER} -e ${ENCRYPTION} -H ${HASHFUNC} \
-S ${seedstr} -C ${ITERCOUNTK} -w ${WAITSECONDS}
fi
exit 0
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