170 lines
4.2 KiB
Bash
Executable File
170 lines
4.2 KiB
Bash
Executable File
#!/bin/bash
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#
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# harbian audit 7/8/9/10 or CentOS Hardening
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#
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#
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# 7.7.1 Ensure Firewall is active (Scored)
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# Corresponds to the original 7.7
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# Modify Author : Samson wen, Samson <sccxboy@gmail.com>
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#
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set -e # One error, it's over
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set -u # One variable unset, it's over
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HARDENING_LEVEL=2
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# Quick note here : CIS recommends your iptables rules to be persistent.
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# Do as you want, but this script does not handle this
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PACKAGES='iptables iptables-persistent'
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PACKAGES_REDHAT='iptables iptables-services nftables firewalld'
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SERVICENAME='netfilter-persistent'
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SERVICENAME_REDHAT='iptables ip6tables'
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audit_debian () {
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for PACKAGE in $PACKAGES
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do
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is_pkg_installed $PACKAGE
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if [ $FNRET != 0 ]; then
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crit "$PACKAGE is not installed!"
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FNRET=1
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break
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else
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ok "$PACKAGE is installed"
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FNRET=0
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fi
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done
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if [ $FNRET = 0 ]; then
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if [ $(systemctl status ${SERVICENAME} | grep -c "Active:.active") -ne 1 ]; then
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crit "${SERVICENAME} service is not actived"
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FNRET=2
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else
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ok "${SERVICENAME} service is actived"
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FNRET=0
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fi
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fi
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}
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audit_redhat () {
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for PACKAGE in $PACKAGES_REDHAT
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do
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is_pkg_installed $PACKAGE
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if [ $FNRET != 0 ]; then
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crit "$PACKAGE is not installed!"
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FNRET=1
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break
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else
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ok "$PACKAGE is installed"
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FNRET=0
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fi
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done
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if [ $FNRET = 0 ]; then
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for SERVICENAME in $SERVICENAME_REDHAT
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do
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if [ $(systemctl status ${SERVICENAME} | grep -c "Active:.active") -ne 1 ]; then
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crit "${SERVICENAME} service is not actived"
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FNRET=2
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else
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ok "${SERVICENAME} service is actived"
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FNRET=0
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fi
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done
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fi
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}
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# This function will be called if the script status is on enabled / audit mode
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audit () {
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if [ $OS_RELEASE -eq 1 ]; then
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audit_debian
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elif [ $OS_RELEASE -eq 2 ]; then
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audit_redhat
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else
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crit "Current OS is not support!"
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FNRET=44
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fi
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}
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apply_debian () {
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if [ $FNRET = 0 ]; then
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ok "$PACKAGES is installed"
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elif [ $FNRET = 1 ]; then
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for PACKAGE in $PACKAGES
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do
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warn "$PACKAGE is absent, installing it"
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apt_install $PACKAGE
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done
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elif [ $FNRET = 2 ]; then
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warn "Enable ${SERVICENAME} service to actived"
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is_service_enabled ${SERVICENAME}
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if [ $FNRET = 1 ]; then
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systemctl enable ${SERVICENAME}
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systemctl daemon-reload
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else
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:
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fi
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systemctl start ${SERVICENAME}
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fi
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}
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apply_redhat () {
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if [ $FNRET = 0 ]; then
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ok "$PACKAGES_REDHAT is installed"
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elif [ $FNRET = 1 ]; then
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for PACKAGE in $PACKAGES_REDHAT
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do
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warn "$PACKAGE is absent, installing it"
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yum_install $PACKAGE
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done
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elif [ $FNRET = 2 ]; then
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warn "Enable ${SERVICENAME_REDHAT} service to actived"
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for SERVICENAME in ${SERVICENAME_REDHAT}
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do
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is_service_enabled ${SERVICENAME}
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if [ $FNRET = 1 ]; then
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systemctl enable ${SERVICENAME}
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systemctl daemon-reload
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else
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:
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fi
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systemctl start ${SERVICENAME}
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done
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fi
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}
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# This function will be called if the script status is on enabled mode
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apply () {
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if [ $OS_RELEASE -eq 1 ]; then
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apply_debian
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elif [ $OS_RELEASE -eq 2 ]; then
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apply_redhat
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else
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crit "Current OS is not support!"
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FNRET=44
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fi
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}
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# This function will check config parameters required
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check_config() {
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:
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}
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# Source Root Dir Parameter
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if [ -r /etc/default/cis-hardening ]; then
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. /etc/default/cis-hardening
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fi
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if [ -z "$CIS_ROOT_DIR" ]; then
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echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
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echo "Cannot source CIS_ROOT_DIR variable, aborting."
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exit 128
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fi
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# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
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if [ -r $CIS_ROOT_DIR/lib/main.sh ]; then
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. $CIS_ROOT_DIR/lib/main.sh
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else
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echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_ROOT_DIR in /etc/default/cis-hardening"
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exit 128
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fi
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