101 lines
2.9 KiB
Bash
Executable File
101 lines
2.9 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
#
|
|
# harbian audit 9 Hardening
|
|
#
|
|
|
|
#
|
|
# 6.20 Configure Network Time Protocol (chrony) (Scored)
|
|
# Author: Samson wen, Samson <sccxboy@gmail.com>
|
|
#
|
|
|
|
set -e # One error, it's over
|
|
set -u # One variable unset, it's over
|
|
|
|
HARDENING_LEVEL=3
|
|
HARDENING_EXCEPTION=ntp
|
|
|
|
ANALOGONS_PKG='ntp'
|
|
PACKAGE='chrony'
|
|
NTP_CONF_FILE='/etc/chrony/chrony.conf'
|
|
NTP_SERVER_PATTERN='^(server|pool)'
|
|
NTP_POOL_CFG='pool 2.debian.pool.ntp.org iburst'
|
|
|
|
# This function will be called if the script status is on enabled / audit mode
|
|
audit () {
|
|
if [ $OS_RELEASE -eq 2 ]; then
|
|
ok "Redhat or CentOS does not have this check, so PASS"
|
|
else
|
|
is_pkg_installed $ANALOGONS_PKG
|
|
if [ $FNRET = 0 ]; then
|
|
ok "Analogons pagkage $ANALOGONS_PKG is installed. So pass check."
|
|
else
|
|
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_SERVER_PATTERN
|
|
if [ $FNRET != 0 ]; then
|
|
crit "$NTP_SERVER_PATTERN not found in $NTP_CONF_FILE"
|
|
else
|
|
ok "$NTP_SERVER_PATTERN found in $NTP_CONF_FILE"
|
|
fi
|
|
fi
|
|
fi
|
|
fi
|
|
}
|
|
|
|
# This function will be called if the script status is on enabled mode
|
|
apply () {
|
|
if [ $OS_RELEASE -eq 2 ]; then
|
|
ok "Redhat or CentOS does not have this check, so PASS"
|
|
else
|
|
is_pkg_installed $ANALOGONS_PKG
|
|
if [ $FNRET = 0 ]; then
|
|
ok "Analogons pagkage $ANALOGONS_PKG is installed. So pass check."
|
|
else
|
|
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"
|
|
does_pattern_exist_in_file $NTP_CONF_FILE $NTP_SERVER_PATTERN
|
|
if [ $FNRET != 0 ]; then
|
|
warn "$NTP_SERVER_PATTERN not found in $NTP_CONF_FILE, adding it"
|
|
backup_file $NTP_CONF_FILE
|
|
add_end_of_file $NTP_CONF_FILE $NTP_POOL_CFG
|
|
else
|
|
ok "$NTP_SERVER_PATTERN found in $NTP_CONF_FILE"
|
|
fi
|
|
exit 1
|
|
fi
|
|
fi
|
|
fi
|
|
}
|
|
|
|
# This function will check config parameters required
|
|
check_config() {
|
|
:
|
|
}
|
|
|
|
# Source Root Dir Parameter
|
|
if [ -r /etc/default/cis-hardening ]; then
|
|
. /etc/default/cis-hardening
|
|
fi
|
|
if [ -z "$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
|
|
. $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
|