debian-cis/bin/hardening/8.1.16_record_sudo_usage.sh

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#!/bin/bash
#
# CIS Debian 7 Hardening
# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
#
#
# 8.1.16 Collect System Administrator Actions (sudolog) (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
AUDIT_PARAMS='-w /var/log/auth.log -p wa -k sudoaction'
FILE='/etc/audit/audit.rules'
# This function will be called if the script status is on enabled / audit mode
audit () {
IFS=$'\n'
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE must be in file $FILE"
does_pattern_exists_in_file $FILE $AUDIT_VALUE
if [ $FNRET != 0 ]; then
crit "$AUDIT_VALUE is not in file $FILE"
else
ok "$AUDIT_VALUE present in $FILE"
fi
done
}
# This function will be called if the script status is on enabled mode
apply () {
IFS=$'\n'
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE must be in file $FILE"
does_pattern_exists_in_file $FILE $AUDIT_VALUE
if [ $FNRET != 0 ]; then
warn "$AUDIT_VALUE is not in file $FILE, adding it"
add_end_of_file $FILE $AUDIT_VALUE
eval $(pkill -HUP -P 1 auditd)
else
ok "$AUDIT_VALUE present in $FILE"
fi
done
}
# This function will check config parameters required
check_config() {
:
}
# 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
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
[ -r $CIS_ROOT_DIR/lib/main.sh ] && . $CIS_ROOT_DIR/lib/main.sh