This file is indexed.

/usr/share/lynis/include/tests_snmp is in lynis 1.3.9-1.

This file is owned by root:root, with mode 0o640.

The actual contents of the file can be viewed below.

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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 GREEN
	    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