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#!/bin/bash
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# Copyright © 2010 Hannes von Haugwitz <hannes@vonhaugwitz.com>
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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 2 of the License, or
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# (at your option) any later version.
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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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# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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set -e
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set -u
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attributes=( "filename" "linkname" "perm" "uid" "gid" "size" "atime" \
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"ctime" "mtime" "inode" "bcount" "lnkcount" "md5" "sha1" \
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"rmd160" "tiger" "crc32" "haval" "gost" "crc32b" "attr" \
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"acl" "bsize" "rdev" "dev" "checkmask" "growingsize" "checkinode" \
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"allownewfile" "allowrmfile" "sha256" "sha512" "selinux" \
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"xattrs" "whirlpool" "ftype" "e2fsattrs" )
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NAME="aide-attributes"
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err() {
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echo "$NAME: $1!" >&2
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echo "usage: $NAME HEX_NUMBER [HEX_NUMBER]"
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exit $2
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}
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dec2hex() {
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let hex=0x$1 2> /dev/null || err "argument '$1' is no valid hex number" 2
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if [ "$hex" -lt "0" ] || [ "$hex" -gt "$((2**${#attributes[@]}))" ] ; then
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err "argument '$1' too large (> 2^${#attributes[@]})" 3
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fi
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echo "$hex"
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}
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COMPARE=false
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if [ -n "${1:-}" ] ; then
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a=$(dec2hex $1)
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if [ -n "${2:-}" ] ; then
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COMPARE=true
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b=$(dec2hex $2)
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[ -n "${3:-}" ] && err "Too much arguments provided" 4
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fi
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else
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err "Not enough arguments provided" 1;
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fi
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for (( i=0; i<${#attributes[@]}; i++ )) ; do
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if $COMPARE ; then
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if (( 2**$i & $a )) && ! (( 2**$i & $b )) ; then
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echo "-"${attributes[$i]}
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elif ! (( 2**$i & $a )) && (( 2**$i & $b )) ; then
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echo "+"${attributes[$i]}
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fi
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else
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if (( 2**$i & $a )) ; then
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echo "${attributes[$i]}"
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fi
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fi
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done
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exit 0
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