harbian-audit/bin/hardening/4.4_disable_prelink.sh

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#!/bin/bash
#
# harbian-audit for Debian GNU/Linux 7/8/9/10 or CentOS Hardening
# Modify by: Samson-W (samson@hardenedlinux.org)
#
#
# 4.4 Disable Prelink (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
HARDENING_LEVEL=2
PACKAGE='prelink'
# 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 installed!"
else
ok "$PACKAGE is absent"
fi
:
}
# This function will be called if the script status is on enabled mode
apply () {
if [ $OS_RELEASE -eq 2 ]; then
if [ $FNRET = 0 ]; then
crit "$PACKAGE is installed, purging it"
"$(which $PACKAGE)" -ua
uninstall_pkg $PACKAGE
else
ok "$PACKAGE is absent"
fi
elif [ $OS_RELEASE -eq 1 ]; then
if [ $FNRET = 0 ]; then
crit "$PACKAGE is installed, purging it"
/usr/sbin/prelink -ua
uninstall_pkg $PACKAGE
else
ok "$PACKAGE is absent"
fi
else
crit "Current OS is not support!"
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