debian-cis/bin/hardening/4.1.15_record_sudoers_edit.sh

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#!/bin/bash
# run-shellcheck
#
# CIS Debian Hardening
#
#
# 4.1.15 Ensure changes to system administration scope (sudoers) is collected (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
# shellcheck disable=2034
HARDENING_LEVEL=4
# shellcheck disable=2034
DESCRIPTION="Collect changes to system administration scopre."
AUDIT_PARAMS='-w /etc/sudoers -p wa -k sudoers
-w /etc/sudoers.d/ -p wa -k sudoers'
FILE='/etc/audit/audit.rules'
# This function will be called if the script status is on enabled / audit mode
audit () {
# define custom IFS and save default one
d_IFS=$IFS
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
IFS=$d_IFS
does_pattern_exist_in_file $FILE $AUDIT_VALUE
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
crit "$AUDIT_VALUE is not in file $FILE"
else
ok "$AUDIT_VALUE is present in $FILE"
fi
done
IFS=$d_IFS
}
# 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 should be in file $FILE"
does_pattern_exist_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 is present in $FILE"
fi
done
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ -r /etc/default/cis-hardening ]; then
# shellcheck source=../../debian/default
2016-04-18 17:39:14 +02:00
. /etc/default/cis-hardening
fi
if [ -z "$CIS_ROOT_DIR" ]; then
echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
echo "Cannot source CIS_ROOT_DIR variable, aborting."
exit 128
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
if [ -r "$CIS_ROOT_DIR"/lib/main.sh ]; then
# shellcheck source=../../lib/main.sh
. "$CIS_ROOT_DIR"/lib/main.sh
else
echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_ROOT_DIR in /etc/default/cis-hardening"
exit 128
fi