harbian-audit/bin/hardening/1.1_install_updates.sh

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#!/bin/bash
#
# harbian audit Debian 9 Hardening
#
#
# 1.1 Install Updates, Patches and Additional Security Software (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
HARDENING_LEVEL=3
# This function will be called if the script status is on enabled / audit mode
audit () {
info "Checking if apt needs an update"
apt_update_if_needed
info "Fetching upgrades ..."
apt_check_updates "CIS_APT"
if [ $FNRET -gt 0 ]; then
crit "$RESULT"
FNRET=1
else
ok "No upgrades available"
FNRET=0
fi
}
# This function will be called if the script status is on enabled mode
apply () {
if [ $FNRET -gt 0 ]; then
info "Applying Upgrades..."
DEBIAN_FRONTEND='noninteractive' apt-get -o Dpkg::Options::='--force-confdef' -o Dpkg::Options::='--force-confold' upgrade -y
else
ok "No Upgrades to apply"
fi
}
# This function will check config parameters required
check_config() {
# No parameters for this function
:
}
# Source Root Dir Parameter
if [ -r /etc/default/cis-hardening ]; then
. /etc/default/cis-hardening
fi
if [ -z "$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