debian-cis/bin/hardening/99.3.3.4_hosts_allow_permissions.sh
P-EB 32886d3a3d
Replace CIS_ROOT_DIR by a more flexible system (#204)
* Replace CIS_ROOT_DIR by a more flexible system

* Try to adapt the logic change to the functional tests
2023-09-25 14:24:01 +02:00

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#!/bin/bash
# run-shellcheck
#
# Legacy CIS Debian Hardening
#
#
# 99.3.3.4 Ensure permissions on /etc/hosts.allow are configured (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
# shellcheck disable=2034
HARDENING_LEVEL=3
# shellcheck disable=2034
DESCRIPTION="Check 644 permissions and root:root ownership on /hosts.allow ."
FILE='/etc/hosts.allow'
PERMISSIONS='644'
USER='root'
GROUP='root'
# This function will be called if the script status is on enabled / audit mode
audit() {
does_file_exist "$FILE"
if [ "$FNRET" != 0 ]; then
crit "$FILE does not exist"
else
ok "$FILE exist"
has_file_correct_permissions "$FILE" "$PERMISSIONS"
if [ "$FNRET" = 0 ]; then
ok "$FILE has correct permissions"
else
crit "$FILE permissions were not set to $PERMISSIONS"
fi
has_file_correct_ownership "$FILE" "$USER" "$GROUP"
if [ "$FNRET" = 0 ]; then
ok "$FILE has correct ownership"
else
crit "$FILE ownership was not set to $USER:$GROUP"
fi
fi
}
# This function will be called if the script status is on enabled mode
apply() {
does_file_exist "$FILE"
if [ "$FNRET" != 0 ]; then
warn "$FILE does not exist"
touch "$FILE"
warn "You may want to fill it with allowed networks"
else
ok "$FILE exist"
fi
has_file_correct_permissions "$FILE" "$PERMISSIONS"
if [ "$FNRET" = 0 ]; then
ok "$FILE has correct permissions"
else
info "fixing $FILE permissions to $PERMISSIONS"
chmod 0"$PERMISSIONS" "$FILE"
fi
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ -r /etc/default/cis-hardening ]; then
# shellcheck source=../../debian/default
. /etc/default/cis-hardening
fi
if [ -z "$CIS_LIB_DIR" ]; then
echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
echo "Cannot source CIS_LIB_DIR variable, aborting."
exit 128
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
if [ -r "${CIS_LIB_DIR}"/main.sh ]; then
# shellcheck source=../../lib/main.sh
. "${CIS_LIB_DIR}"/main.sh
else
echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_LIB_DIR in /etc/default/cis-hardening"
exit 128
fi