mirror of
https://github.com/ovh/debian-cis.git
synced 2024-11-22 21:47:02 +01:00
102 lines
3.3 KiB
Bash
Executable File
102 lines
3.3 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
# run-shellcheck
|
|
#
|
|
# CIS Debian Hardening
|
|
#
|
|
|
|
#
|
|
# 2.2.1.2 Ensure ntp is 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="Configure Network Time Protocol (ntp). Check restrict parameters and ntp daemon runs ad unprivileged user."
|
|
# shellcheck disable=2034
|
|
HARDENING_EXCEPTION=ntp
|
|
|
|
PACKAGE='ntp'
|
|
NTP_CONF_DEFAULT_PATTERN='^restrict -4 default (kod nomodify notrap nopeer noquery|ignore)'
|
|
NTP_CONF_FILE='/etc/ntp.conf'
|
|
NTP_INIT_PATTERN='RUNASUSER=ntp'
|
|
NTP_INIT_FILE='/etc/init.d/ntp'
|
|
|
|
# This function will be called if the script status is on enabled / audit mode
|
|
audit () {
|
|
is_pkg_installed "$PACKAGE"
|
|
if [ "$FNRET" != 0 ]; then
|
|
crit "$PACKAGE is not installed!"
|
|
else
|
|
ok "$PACKAGE is installed, checking configuration"
|
|
does_pattern_exist_in_file $NTP_CONF_FILE $NTP_CONF_DEFAULT_PATTERN
|
|
if [ "$FNRET" != 0 ]; then
|
|
crit "$NTP_CONF_DEFAULT_PATTERN not found in $NTP_CONF_FILE"
|
|
else
|
|
ok "$NTP_CONF_DEFAULT_PATTERN found in $NTP_CONF_FILE"
|
|
fi
|
|
does_pattern_exist_in_file $NTP_INIT_FILE "^$NTP_INIT_PATTERN"
|
|
if [ "$FNRET" != 0 ]; then
|
|
crit "$NTP_INIT_PATTERN not found in $NTP_INIT_FILE"
|
|
else
|
|
ok "$NTP_INIT_PATTERN found in $NTP_INIT_FILE"
|
|
fi
|
|
fi
|
|
}
|
|
|
|
# This function will be called if the script status is on enabled mode
|
|
apply () {
|
|
is_pkg_installed "$PACKAGE"
|
|
if [ "$FNRET" = 0 ]; then
|
|
ok "$PACKAGE is installed"
|
|
else
|
|
crit "$PACKAGE is absent, installing it"
|
|
apt_install $PACKAGE
|
|
info "Checking $PACKAGE configuration"
|
|
fi
|
|
does_pattern_exist_in_file $NTP_CONF_FILE $NTP_CONF_DEFAULT_PATTERN
|
|
if [ "$FNRET" != 0 ]; then
|
|
warn "$NTP_CONF_DEFAULT_PATTERN not found in $NTP_CONF_FILE, adding it"
|
|
backup_file $NTP_CONF_FILE
|
|
add_end_of_file $NTP_CONF_FILE "restrict -4 default kod notrap nomodify nopeer noquery"
|
|
else
|
|
ok "$NTP_CONF_DEFAULT_PATTERN found in $NTP_CONF_FILE"
|
|
fi
|
|
does_pattern_exist_in_file $NTP_INIT_FILE "^$NTP_INIT_PATTERN"
|
|
if [ "$FNRET" != 0 ]; then
|
|
warn "$NTP_INIT_PATTERN not found in $NTP_INIT_FILE, adding it"
|
|
backup_file $NTP_INIT_FILE
|
|
add_line_file_before_pattern $NTP_INIT_FILE $NTP_INIT_PATTERN "^UGID"
|
|
else
|
|
ok "$NTP_INIT_PATTERN found in $NTP_INIT_FILE"
|
|
fi
|
|
}
|
|
|
|
# This function will check config parameters required
|
|
check_config() {
|
|
:
|
|
}
|
|
|
|
# Source Root Dir Parameter
|
|
if [ -r /etc/default/cis-hardening ]; then
|
|
# shellcheck source=../../debian/default
|
|
. /etc/default/cis-hardening
|
|
fi
|
|
if [ -z "$CIS_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
|