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#!/bin/sh
#################################################################################
#
# Lynis
# ------------------
#
# Copyright 2007-2014, 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.
#
#################################################################################
#
# SNMP
#
#################################################################################
#
SNMP_DAEMON_CONFIG_LOCS="/etc/snmp"
SNMP_DAEMON_CONFIG=""
SNMP_DAEMON_RUNNING=0
#
#################################################################################
#
InsertSection "SNMP Support"
# Test : SNMP-3302
# Description : Check for a running SNMP daemon
Register --test-no SNMP-3302 --weight L --network NO --description "Check for running SNMP daemon"
if [ ${SKIPTEST} -eq 0 ]; then
logtext "Test: Searching for a SNMP daemon..."
# Check running processes
FIND=`${PSBINARY} ax | grep "snmpd" | grep -v "grep"`
if [ ! "${FIND}" = "" ]; then
SNMP_DAEMON_RUNNING=1
logtext "Result: SNMP daemon is running"
Display --indent 2 --text "- Checking running SNMP daemon..." --result FOUND --color GREEN
else
logtext "Result: No running SNMP daemon found"
Display --indent 2 --text "- Checking running SNMP daemon..." --result "NOT FOUND" --color WHITE
fi
fi
#
#################################################################################
#
# Test : SNMP-3304
# Description : Determine SNMP daemon configuration file location
if [ ${SNMP_DAEMON_RUNNING} -eq 1 ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no SNMP-3304 --preqs-met ${PREQS_MET} --weight L --network NO --description "Check SNMP daemon file location"
if [ ${SKIPTEST} -eq 0 ]; then
logtext "Action: searching for snmpd.conf file"
for I in ${SNMP_DAEMON_CONFIG_LOCS}; do
if [ -f "${I}/snmpd.conf" ]; then
logtext "Result: ${I}/snmpd.conf exists"
SNMPD_DAEMON_CONFIG="${I}/snmpd.conf"
fi
done
if [ "${SNMPD_DAEMON_CONFIG}" = "" ]; then
logtext "Result: No snmpd configuration found"
Display --indent 4 --text "- Checking SNMP configuration..." --result "NOT FOUND" --color WHITE
else
logtext "Restult: using last found configuration file: ${SNMPD_DAEMON_CONFIG}"
Display --indent 4 --text "- Checking SNMP configuration..." --result "FOUND" --color GREEN
fi
fi
#
#################################################################################
#
# Test : SNMP-3306
# Description : Determine SNMP communities
if [ ! "${SNMPD_DAEMON_CONFIG}" = "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no SNMP-3306 --preqs-met ${PREQS_MET} --weight L --network NO --description "Check SNMP communities"
if [ ${SKIPTEST} -eq 0 ]; then
WARN=0
logtext "Test: reading active snmp communities"
FIND=`cat ${SNMPD_DAEMON_CONFIG} | grep "^com2sec" | ${AWKBINARY} '{ print $4 }'`
for I in ${FIND}; do
logtext "Output: ${I}"
if [ "${I}" = "public" -o "${I}" = "private" ]; then
logtext "Result: found easy guessable snmp community string (${I})"
WARN=1
AddHP 1 3
fi
done
# Check status of test
if [ ${WARN} -eq 0 ]; then
Display --indent 2 --text "- Checking SNMP community strings..." --result OK --color GREEN
AddHP 2 2
else
Display --indent 2 --text "- Checking SNMP community strings..." --result WARNING --color RED
ReportWarning ${TEST_NO} "M" "Found easy guessable SNMP community string"
fi
fi
#
#################################################################################
#
wait_for_keypress
#
#================================================================================
# Lynis - Copyright 2007-2014, Michael Boelen - www.rootkit.nl - The Netherlands
|
