debian-cis/bin/hardening/1.1_install_updates.sh

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#!/bin/bash
#
# CIS Debian 7 Hardening
#
#
# 1.1 Install Updates, Patches and Additional Security Software (Not Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
# 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
echo "There is no /etc/default/cis-hardening file, cannot source CIS_ROOT_DIR variable, aborting"
exit 128
else
. /etc/default/cis-hardening
if [ -z $CIS_ROOT_DIR ]; then
echo "No CIS_ROOT_DIR variable, aborting"
exit 128
fi
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
[ -r $CIS_ROOT_DIR/lib/main.sh ] && . $CIS_ROOT_DIR/lib/main.sh