mirror of
https://github.com/ovh/debian-cis.git
synced 2024-12-04 12:38:18 +01:00
32886d3a3d
* Replace CIS_ROOT_DIR by a more flexible system * Try to adapt the logic change to the functional tests
94 lines
2.7 KiB
Bash
Executable File
94 lines
2.7 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
# run-shellcheck
|
|
#
|
|
# CIS Debian Hardening
|
|
#
|
|
|
|
#
|
|
# 2.2.15 Ensure Mail Transfer Agent is configured for Local-Only Mode (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="Configure Mail Transfert Agent for Local-Only Mode."
|
|
# shellcheck disable=2034
|
|
HARDENING_EXCEPTION=mail
|
|
|
|
# This function will be called if the script status is on enabled / audit mode
|
|
audit() {
|
|
is_pkg_installed net-tools
|
|
if [ "$FNRET" != 0 ]; then
|
|
warn "netstat not installed, cannot execute check"
|
|
exit 2
|
|
else
|
|
info "Checking netport ports opened"
|
|
RESULT=$($SUDO_CMD netstat -an | grep LIST | grep ":25[[:space:]]") || :
|
|
RESULT=${RESULT:-}
|
|
debug "Result is $RESULT"
|
|
if [ -z "$RESULT" ]; then
|
|
ok "Nothing listens on 25 port, probably unix socket configured"
|
|
else
|
|
info "Checking $RESULT"
|
|
if grep -q "127.0.0.1" <<<"$RESULT"; then
|
|
ok "MTA is configured to localhost only"
|
|
else
|
|
crit "MTA listens worldwide"
|
|
fi
|
|
fi
|
|
fi
|
|
}
|
|
|
|
# This function will be called if the script status is on enabled mode
|
|
apply() {
|
|
is_pkg_installed net-tools
|
|
if [ "$FNRET" != 0 ]; then
|
|
warn "netstat not installed, cannot execute check"
|
|
exit 2
|
|
else
|
|
info "Checking netport ports opened"
|
|
RESULT=$(netstat -an | grep LIST | grep ":25[[:space:]]") || :
|
|
RESULT=${RESULT:-}
|
|
debug "Result is $RESULT"
|
|
if [ -z "$RESULT" ]; then
|
|
ok "Nothing listens on 25 port, probably unix socket configured"
|
|
else
|
|
info "Checking $RESULT"
|
|
if grep -q "127.0.0.1" <<<"$RESULT"; then
|
|
ok "MTA is configured to localhost only"
|
|
else
|
|
warn "MTA listens worldwide, correct this considering your MTA"
|
|
fi
|
|
fi
|
|
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
|