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|
#!/bin/bash
# Wrapper file for Crack
# written by Javier Fernández-Sanguino Peña for the Debian GNU/Linux distribution
# Heavily rewritten by Paweł Więcek
#
# Licensed under the GNU GPL v2.
# See /usr/share/doc/common-licenses/GPL
# This is needed due to relative calls to 'dawg' and co.
PATH=/usr/lib/Crack:$PATH
export PATH
if [ "`id -u`" != "0" ]
then
echo "Crack requires root priviledges to run."
exit 1
fi
CRACKDIR=/usr/share/Crack
# Prepare parameters list expanding any filenames to their canonical names
unset PARAMS
declare -a PARAMS
n=1
while [ "${!n}" != "" ]
do
if [ -f "${!n}" ]
then
PARAMS[$n]="`readlink -f "${!n}"`"
if [ "${PARAMS[$n]}" = "/etc/passwd" -a -f /etc/shadow ]
then
# Need to merge passwd with shadow...
MERGED=`tempfile -d $CRACKDIR/run`
>$MERGED
chmod 600 $MERGED
sh $CRACKDIR/scripts/shadmrg.sv >$MERGED
PARAMS[$n]=$MERGED
fi
else
PARAMS[$n]="${!n}"
fi
((n++))
done
cd $CRACKDIR
./Crack "${PARAMS[@]}"
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