#!/bin/bash

#
# harbian-audit for Debian GNU/Linux 7/8/9  Hardening
#

#
# 8.3.1 Install the syslog-ng package (Scored)
# Modify by: Samson-W (sccxboy@gmail.com)
#

set -e # One error, it's over
set -u # One variable unset, it's over

HARDENING_LEVEL=3

# NB : in CIS, rsyslog has been chosen, however we chose syslog-ng
PACKAGE='syslog-ng'
PACKAGE_R='rsyslog'

# This function will be called if the script status is on enabled / audit mode
audit () {
    is_pkg_installed $PACKAGE_R
	if [ $FNRET = 0 ]; then
		ok "$PACKAGE_R has installed, so pass."
		FNRET=0
	else
    	is_pkg_installed $PACKAGE
    	if [ $FNRET != 0 ]; then
        	crit "$PACKAGE is not installed!"
			FNRET=1
    	else
        	ok "$PACKAGE is installed"
			FNRET=0
    	fi
	fi
}

# This function will be called if the script status is on enabled mode
apply () {
    is_pkg_installed $PACKAGE_R
	if [ $FNRET = 0 ]; then
		ok "$PACKAGE_R has installed, so pass."
	else
        is_pkg_installed $PACKAGE
        if [ $FNRET = 0 ]; then
            ok "$PACKAGE or $PACKAGE_R is installed"
        else
            crit "$PACKAGE is absent, installing it"
            apt_install $PACKAGE
        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