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#!/bin/sh
#################################################################################
#
# Lynis
# ------------------
#
# Copyright 2007-2015, Michael Boelen (michael@rootkit.nl), The Netherlands
# Web site: http://www.rootkit.nl
#
# Lynis comes with ABSOLUTELY NO WARRANTY. This is free software, and you are
# welcome to redistribute it under the terms of the GNU General Public License.
# See LICENSE file for usage of this software.
#
#################################################################################
#
# Unsecure services
#
#################################################################################
#
InsertSection "Insecure services"
#
#################################################################################
#
INETD_ACTIVE=0
INETD_CONFIG_FILE="/etc/inetd.conf"
#
#################################################################################
#
# Test : INSE-8002
# Description : Check for inetd status
Register --test-no INSE-8002 --weight L --network NO --description "Check for enabled inet daemon"
if [ ${SKIPTEST} -eq 0 ]; then
# Check running processes
logtext "Test: Searching for active inet daemon"
IsRunning inetd
if [ ${RUNNING} -eq 1 ]; then
logtext "Result: inetd is running"
Display --indent 2 --text "- Checking inetd status" --result ACTIVE --color GREEN
#YYY perform manual check
INETD_ACTIVE=1
else
logtext "Result: inetd is NOT running"
Display --indent 2 --text "- Checking inetd status" --result "NOT ACTIVE" --color GREEN
fi
fi
#
#################################################################################
#
# Test : INSE-8004
# Description : Check for inetd configuration file
if [ ${INETD_ACTIVE} -eq 1 ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no INSE-8004 --preqs-met ${PREQS_MET} --weight L --network NO --description "Check for enabled inet daemon"
if [ ${SKIPTEST} -eq 0 ]; then
# Check configuration file
logtext "Test: Searching for file ${INETD_CONFIG_FILE}"
if [ -f ${INETD_CONFIG_FILE} ]; then
logtext "Result: ${INETD_CONFIG_FILE} exists"
Display --indent 4 --text "- Checking inetd.conf" --result FOUND --color WHITE
else
logtext "Result: ${INETD_CONFIG_FILE} does not exist"
Display --indent 4 --text "- Checking inetd.conf" --result "NOT FOUND" --color WHITE
fi
# YYY immutable bit could be set
# YYY permission check (already set in profile)
fi
#
#################################################################################
#
# Test : INSE-8006
# Description : Check for inetd configuration file contents if inetd is NOT active
if [ ${INETD_ACTIVE} -eq 0 -a -f ${INETD_CONFIG_FILE} ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no INSE-8006 --preqs-met ${PREQS_MET} --weight L --network NO --description "Check configuration of inetd when disabled"
if [ ${SKIPTEST} -eq 0 ]; then
# Check if any service is enabled in /etc/inetd.conf (inetd is not active, see test 8002)
logtext "Test: check if all services are disabled if inetd is disabled"
FIND=`cat ${INETD_CONFIG_FILE} | grep -v "^#" | grep -v "^$"`
if [ "${FIND}" = "" ]; then
Display --indent 4 --text "- Checking inetd.conf services" --result OK --color GREEN
else
Display --indent 4 --text "- Checking inetd.conf services" --result SUGGESTION --color YELLOW
ReportSuggestion ${TEST_NO} "Although inetd is not running, make sure no services are enabled in ${INETD_CONFIG_FILE}"
fi
fi
#
#################################################################################
#
# Test : INSE-8016
# Description : Check for telnet enabled via inetd
if [ ${INETD_ACTIVE} -eq 1 -a -f ${INETD_CONFIG_FILE} ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no INSE-8016 --preqs-met ${PREQS_MET} --weight L --network NO --description "Check for telnet via inetd"
if [ ${SKIPTEST} -eq 0 ]; then
logtext "Test: checking telnet presence in inetd configuration"
FIND=`grep "^telnet" ${INETD_CONFIG_FILE}`
if [ "${FIND}" = "" ]; then
logtext "Result: telnet not enabled in ${INETD_CONFIG_FILE}"
Display --indent 2 --text "- Checking inetd (telnet)" --result "NOT FOUND" --color GREEN
AddHP 3 3
else
logtext "Result: telnet enabled in ${INETD_CONFIG_FILE}"
Display --indent 2 --text "- Checking inetd (telnet)" --result WARNING --color RED
ReportSuggestion "${TEST_NO}" "Disable telnet in inetd configuration and use SSH instead"
AddHP 1 3
fi
fi
#
#################################################################################
#
# Check telnet in /etc/xinetd.conf
# Check telnet in /etc/xinetd/*
# Check running telnet daemon (telnetd)
# rshd rlogin rexec
# /etc/hosts.equiv
wait_for_keypress
#
#================================================================================
# Lynis - Copyright 2007-2015, Michael Boelen - www.rootkit.nl - The Netherlands
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