debian-cis/bin/hardening.sh
2016-04-18 14:03:20 +02:00

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#!/bin/bash
#
# CIS Debian 7 Hardening
# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
#
#
# Main script : Execute hardening considering configuration
#
LONG_SCRIPT_NAME=$(basename $0)
SCRIPT_NAME=${LONG_SCRIPT_NAME%.sh}
DISABLED_CHECKS=0
PASSED_CHECKS=0
FAILED_CHECKS=0
TOTAL_CHECKS=0
TOTAL_TREATED_CHECKS=0
AUDIT=0
APPLY=0
usage() {
cat << EOF
$LONG_SCRIPT_NAME ( --apply | -- audit ) < -h | --help >
--apply : Apply hardening if told in configuration
--audit : If script not disabled, audit configuration only
-h|--help : This help
EOF
exit 0
}
if [ $# = 0 ]; then
usage
fi
# Arguments parsing
while [[ $# > 0 ]]; do
ARG="$1"
case $ARG in
--audit)
AUDIT=1
;;
--apply)
APPLY=1
;;
-h|--help)
usage
;;
*)
usage
;;
esac
shift
done
# Source Root Dir Parameter
if [ ! -r /etc/default/cis-hardenning ]; then
echo "There is no /etc/default/cis-hardenning file, cannot source CIS_ROOT_DIR variable, aborting"
exit 128
else
. /etc/default/cis-hardenning
if [ -z $CIS_ROOT_DIR ]; then
echo "No CIS_ROOT_DIR variable, aborting"
fi
fi
[ -r $CIS_ROOT_DIR/lib/constants.sh ] && . $CIS_ROOT_DIR/lib/constants.sh
[ -r $CIS_ROOT_DIR/etc/hardening.cfg ] && . $CIS_ROOT_DIR/etc/hardening.cfg
[ -r $CIS_ROOT_DIR/lib/common.sh ] && . $CIS_ROOT_DIR/lib/common.sh
[ -r $CIS_ROOT_DIR/lib/utils.sh ] && . $CIS_ROOT_DIR/lib/utils.sh
# Parse every scripts and execute them in the required mode
for SCRIPT in $(ls $CIS_ROOT_DIR/bin/hardening/*.sh | sort -V); do
info "Treating $SCRIPT"
if [ $AUDIT = 1 ]; then
debug "$CIS_ROOT_DIR/bin/hardening/$SCRIPT --audit"
$SCRIPT --audit
elif [ $APPLY = 1 ]; then
debug "$CIS_ROOT_DIR/bin/hardening/$SCRIPT"
$SCRIPT
fi
SCRIPT_EXITCODE=$?
debug "Script $SCRIPT finished with exit code $SCRIPT_EXITCODE"
case $SCRIPT_EXITCODE in
0)
debug "$SCRIPT passed"
PASSED_CHECKS=$((PASSED_CHECKS+1))
;;
1)
debug "$SCRIPT failed"
FAILED_CHECKS=$((FAILED_CHECKS+1))
;;
2)
debug "$SCRIPT is disabled"
DISABLED_CHECKS=$((DISABLED_CHECKS+1))
;;
esac
TOTAL_CHECKS=$((TOTAL_CHECKS+1))
done
TOTAL_TREATED_CHECKS=$((TOTAL_CHECKS-DISABLED_CHECKS))
printf "%40s\n" "################### SUMMARY ###################"
printf "%30s %s\n" "Total Available Checks :" "$TOTAL_CHECKS"
printf "%30s %s\n" "Total Runned Checks :" "$TOTAL_TREATED_CHECKS"
printf "%30s [ %7s ]\n" "Total Passed Checks :" "$PASSED_CHECKS/$TOTAL_TREATED_CHECKS"
printf "%30s [ %7s ]\n" "Total Failed Checks :" "$FAILED_CHECKS/$TOTAL_TREATED_CHECKS"
printf "%30s %.2f %%\n" "Enabled Checks Percentage :" "$( echo "($TOTAL_TREATED_CHECKS/$TOTAL_CHECKS) * 100" | bc -l)"
if [ $TOTAL_TREATED_CHECKS != 0 ]; then
printf "%30s %.2f %%\n" "Conformity Percentage :" "$( echo "($PASSED_CHECKS/$TOTAL_TREATED_CHECKS) * 100" | bc -l)"
else
printf "%30s %s %%\n" "Conformity Percentage :" "N.A" # No check runned, avoid division by 0
fi