mirror of https://github.com/CISOfy/lynis.git
713 lines
34 KiB
Bash
713 lines
34 KiB
Bash
#!/bin/sh
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#################################################################################
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#
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# Lynis
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# ------------------
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#
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# Copyright 2007-2014, Michael Boelen (michael@rootkit.nl), The Netherlands
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# Web site: http://www.rootkit.nl
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#
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# Lynis comes with ABSOLUTELY NO WARRANTY. This is free software, and you are
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# welcome to redistribute it under the terms of the GNU General Public License.
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# See LICENSE file for usage of this software.
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#
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#################################################################################
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#
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# Software: webserver
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#
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#################################################################################
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#
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InsertSection "Software: webserver"
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#
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#################################################################################
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#
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# Reset Apache status
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APACHE_INSTALLED=0
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APACHE_MODULES_ENABLED_LOCS="/etc/apache2/mods-enabled"
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APACHE_MODULES_LOCS="/etc/httpd/modules /opt/local/apache2/modules /usr/lib/apache2/modules /usr/lib/httpd/modules /usr/libexec/apache2 /usr/lib64/apache2/modules /usr/lib64/httpd/modules /usr/local/libexec/apache /usr/local/libexec/apache22"
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NGINX_RUNNING=0
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NGINX_CONF_LOCS="/etc/nginx /usr/local/etc/nginx /usr/local/nginx/conf"
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NGINX_CONF_LOCATION=""
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#
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#################################################################################
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#
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sTEST_APACHE_TARGETS="/etc/apache /etc/apache2 /etc/httpd /usr/local/apache /usr/local/apache2 \
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/usr/local/etc/apache /usr/local/etc/apache2 /usr/local/etc/apache22 \
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/usr/pkg/etc/httpd /etc/sysconfig/apache2"
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if [ "${OS}" = "AIX" ]; then
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RANDOMSTRING1=`echo lynis-$(od -N4 -tu /dev/random | awk 'NR==1 {print $2} {}')`; RANDOMSTRING2=`echo lynis2-$(od -N4 -tu /dev/random | awk 'NR==1 {print $2} {}')`
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TMPFILE="/tmp/${RANDOMSTRING1}"; TMPFILE2="/tmp/${RANDOMSTRING2}"
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echo "" > ${TMPFILE}; echo "" > ${TMPFILE2}
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else
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TMPFILE=`mktemp /tmp/lynis.XXXXXXXXXX` || exit 1
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TMPFILE2=`mktemp /tmp/lynis2.XXXXXXXXXX` || exit 1
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fi
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#
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#################################################################################
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#
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# Test : HTTP-6622
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# Description : Test for Apache installation
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# Notes : Do not run on NetBSD, -v is unknown option for httpd binary
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if [ ! "${OS}" = "NetBSD" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
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Register --test-no HTTP-6622 --preqs-met ${PREQS_MET} --weight L --network NO --description "Checking Apache presence"
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if [ ${SKIPTEST} -eq 0 ]; then
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if [ "${HTTPDBINARY}" = "" ]; then
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Display --indent 2 --text "- Checking Apache" --result "NOT FOUND" --color WHITE
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else
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logtext "Test: Scanning for Apache binary"
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IS_APACHE=`${HTTPDBINARY} -v | egrep '[aA]pache'`
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if [ "${IS_APACHE}" = "" ]; then
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logtext "Result: ${HTTPDBINARY} is not Apache"
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Display --indent 2 --text "- Checking Apache (binary ${HTTPDBINARY})" --result "NO MATCH" --color WHITE
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else
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Display --indent 2 --text "- Checking Apache (binary ${HTTPDBINARY})" --result "FOUND" --color GREEN
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logtext "Result: ${HTTPDBINARY} seems to be Apache HTTP daemon"
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APACHE_INSTALLED=1
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fi
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fi
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fi
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#
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#################################################################################
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#
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# Test : HTTP-6624
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# Description : Testing main Apache configuration file
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# Notes : Do not run on OpenBSD/NetBSD, as -V is an unknown option for httpd binary
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if [ ${APACHE_INSTALLED} -eq 1 ]; then
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if [ ! "${OS}" = "NetBSD" -a ! "${OS}" = "OpenBSD" ]; then
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PREQS_MET="YES"
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else
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PREQS_MET="NO"
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fi
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else
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PREQS_MET="NO"
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fi
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Register --test-no HTTP-6624 --preqs-met ${PREQS_MET} --weight L --network NO --description "Testing main Apache configuration file"
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if [ ${SKIPTEST} -eq 0 ]; then
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APACHE_CONFIGFILE=""
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APACHE_TEST=`${HTTPDBINARY} -V 2> /dev/null | grep "\-D SERVER_CONFIG_FILE=" | sed 's/[ ]-D SERVER_CONFIG_FILE=//' | tr -d '"' | tr -d ' ' | tr -d '[:cntrl:]'`
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if [ "${APACHE_TEST}" = "" ]; then
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logtext "Result: Can't find the configuration file, so skipping some Apache related tests"
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else
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# We found a possible match. Checking if it's valid filename. If not, we need to add a prefix
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if [ -f ${APACHE_TEST} ]; then
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APACHE_CONFIGFILE="${APACHE_TEST}"
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Display --indent 6 --text "Info: Configuration file found (${APACHE_CONFIGFILE})"
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else
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# Probably the prefix is missing, so we are going to search that
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APACHE_HTTPDROOT=`${HTTPDBINARY} -V | grep "\-D HTTPD_ROOT=" | sed 's/[ ]-D HTTPD_ROOT=//' | tr -d '"' | tr -d ' '`
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#echo "Apache root prefix: ${APACHE_HTTPDROOT}"
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#echo "Complete path to configuration file: ${APACHE_HTTPDROOT}/${APACHE_TEST}"
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APACHE_TESTFILE="${APACHE_HTTPDROOT}/${APACHE_TEST}"
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if [ -f ${APACHE_TESTFILE} ]; then
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APACHE_CONFIGFILE="${APACHE_TESTFILE}"
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Display --indent 6 --text "Info: Configuration file found (${APACHE_CONFIGFILE})"
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logtext "Result: Configuration file found (${APACHE_CONFIGFILE})"
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else
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logtext "Result: File or directory ${APACHE_CONFIGFILE} does not exist"
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Display --indent 6 --text "[Notice] possible directory/file parts found, but still unsure what the real configuration file is. Skipping some Apache related tests"
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ReportException "${TEST_NO}:1" "Found some unknown directory or file references in Apache configuration"
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fi
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fi
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fi
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fi
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#
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#################################################################################
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#
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# Test : HTTP-6626
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# Description : Testing other Apache configuration files
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if [ ${APACHE_INSTALLED} -eq 1 ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
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Register --test-no HTTP-6626 --preqs-met ${PREQS_MET} --weight L --network NO --description "Testing other Apache configuration file"
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if [ ${SKIPTEST} -eq 0 ]; then
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#Display --indent 4 --text "- Searching Apache virtual hosts"
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for I in ${sTEST_APACHE_TARGETS}; do
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if [ -d ${I} ]; then
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find ${I} -name "*.conf" -print >> ${TMPFILE2}
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fi
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done
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# Sort unsorted list, save it in temp file and then remove unsorted list
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if [ -f ${TMPFILE2} ]; then
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sort ${TMPFILE2} | uniq >> ${TMPFILE}
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rm -f ${TMPFILE2}
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fi
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cVHOSTS=0; tVHOSTS=""
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# Check every configuration file
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for I in `cat ${TMPFILE}`; do
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logtext "Apache config file: ${I}"
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FileIsReadable ${I}
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if [ ${CANREAD} -eq 1 ]; then
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# Search Virtual Hosts
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for J in `cat ${I} | grep "ServerName" | grep -v "^#" | awk '{ if ($1=="ServerName") print $2 }'`; do
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if [ ! -z ${J} ]; then
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tVHOSTS="${tVHOSTS} ${J}"
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cVHOSTS=`expr ${cVHOSTS} + 1`
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fi
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done
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# Search Server aliases
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for J in `cat ${I} | grep "ServerAlias" | grep -v "^#" | sed "s/.* ServerAlias//g" | sed "s/#.*//g"`; do
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if [ ! -z ${J} ]; then
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tVHOSTS="${tVHOSTS} ${J}"
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cVHOSTS=`expr ${cVHOSTS} + 1`
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fi
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done
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else
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logtext "Result: can not read configuration file with this user ID"
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ReportException "${TEST_NO}:1" "Can not read configuration file $I"
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fi
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done
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# Log all virtual hosts we found
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for J in ${tVHOSTS}; do
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if [ ! -z ${J} ]; then
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logtext "Virtual host: ${J}"
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report "apache_vhost_name[]=${J}"
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fi
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done
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# Show number of vhosts if we found any
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logtext "Result: found ${cVHOSTS} virtual hosts"
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if [ ${cVHOSTS} -gt 0 ]; then
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Display --indent 6 --text "Info: Found ${cVHOSTS} virtual hosts"
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else
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Display --indent 6 --text "Info: No virtual hosts found"
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fi
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fi
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# Remove temp files
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if [ -f ${TMPFILE} -a ! "${TMPFILE}" = "" ]; then
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rm -f ${TMPFILE}
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fi
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if [ ! "${TMPFILE2}" = "" ]; then if [ -f ${TMPFILE2} ]; then rm -f ${TMPFILE2}; fi; fi
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#
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#################################################################################
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#
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# Test : HTTP-6628
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# Description : Testing other Apache configuration files
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#if [ ${APACHE_INSTALLED} -eq 1 ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
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#Register --test-no HTTP-6628 --preqs-met ${PREQS_MET} --weight L --network NO --description "Testing other Apache configuration file"
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#if [ ${SKIPTEST} -eq 0 ]; then
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# # Configuration specific tests
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# SERVERTOKENSFOUND=0
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# APACHE_CONFIGFILES="${APACHE_CONFIGFILE} /usr/local/etc/apache22/extra/httpd-default.conf /etc/apache2/sysconfig.d/global.conf"
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#
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# for APACHE_CONFIGFILE in ${APACHE_CONFIGFILES}; do
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# if [ -f ${APACHE_CONFIGFILE} ]; then
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# # Check if option ServerTokens is configured
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# SERVERTOKENSTEST=`cat ${APACHE_CONFIGFILE} | grep ServerTokens | grep -v '^#'`
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# if [ ! "${SERVERTOKENSTEST}" = "" ]; then
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# Display --indent 4 --text "- Checking option ServerTokens" --result FOUND --color WHITE
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# SERVERTOKENSTEST=`echo ${SERVERTOKENSTEST} | sed 's/ServerTokens//' | tr -d ' '`
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# logtext "Option ServerTokens found: ${SERVERTOKENSTEST}"
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# SERVERTOKENSEXPECTED=`cat ${PROFILE} | grep 'apache' | grep 'ServerTokens' | cut -d ':' -f3`
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# if [ "${SERVERTOKENSEXPECTED}" = "${SERVERTOKENSTEST}" ]; then
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# logtext "Result: Value from configuration file yielded the same output as in template"
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# SERVERTOKENSFOUND=1
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# else
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# logtext "Result: Value of ServerTokens within active configuration is different than from used template."
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# logtext "Found: ${SERVERTOKENSTEST}"
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# logtext "Expected: ${SERVERTOKENSEXPECTED}"
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# fi
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# else
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# Display --indent 4 --text "- Checking option ServerTokens" --result "NOT FOUND" --color WHITE
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# fi
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#
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# else
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# # File does not exist, skipping
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# logtext "File ${APACHE_CONFIGFILE} does not exist, so skipping tests on this file"
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# fi
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# done
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#
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# # Display results from checks
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# if [ ${SERVERTOKENSFOUND} -eq 1 ]; then
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# Display --indent 6 --text "- Value of ServerTokens" --result OK --color GREEN
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# else
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# Display --indent 6 --text "- Value of ServerTokens" --result WARNING --color RED
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# ReportWarning ${TEST_NO} "M" "Value of 'ServerTokens' in Apache config is different than template"
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# fi
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# fi
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# fi
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# fi
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#
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#################################################################################
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#
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# Test : HTTP-6630
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# Description : Search for all loaded modules
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#if [ ${APACHE_INSTALLED} -eq 1 ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
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#Register --test-no HTTP-6630 --preqs-met ${PREQS_MET} --weight L --network NO --description "Determining all loaded Apache modules"
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#if [ ${SKIPTEST} -eq 0 ]; then
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# Testing Debian style
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#logtext "Test: searching loaded/enabled Apache modules"
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#apachectl -t -D DUMP_MODULES 2>&1 | egrep -v "(Loaded Modules|Syntax OK)" | sed 's/(\(shared\|static\))//' | sed 's/ //'
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#for I in ${APACHE_MODULES_ENABLED_LOCS}; do
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#logtext "Test: checking ${I}"
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#if [ -d ${I} ]; then
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#FIND=`grep -r LoadModule ${I}/* | grep -v "^#" | awk '{ print $2":"$3 }'`
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#else
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#logtext "Result: ${I} does not exist"
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#fi
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#done
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#fi
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#
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#################################################################################
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#
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# Test : HTTP-6632
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# Description : Search for available Apache modules
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if [ ${APACHE_INSTALLED} -eq 1 ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
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Register --test-no HTTP-6632 --preqs-met ${PREQS_MET} --weight L --network NO --description "Determining all available Apache modules"
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if [ ${SKIPTEST} -eq 0 ]; then
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logtext "Test: searching available Apache modules"
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N=0
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for I in ${APACHE_MODULES_LOCS}; do
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DirectoryExists ${I}
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if [ ${DIRECTORY_FOUND} -eq 1 ]; then
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FIND=`find ${I} -name mod_* -print | sort`
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for J in ${FIND}; do
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report "apache_module[]=${J}"
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logtext "Result: found Apache module ${J}"
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N=`expr ${N} + 1`
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done
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fi
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done
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if [ ${N} -eq 0 ]; then
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Display --indent 4 --text "* Loadable modules" --result "NONE" --color WHITE
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ReportException "${TEST_NO}:1" "No loadable Apache modules found"
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else
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Display --indent 4 --text "* Loadable modules" --result "FOUND" --color GREEN
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Display --indent 8 --text "- Found ${N} loadable modules"
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fi
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fi
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#
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#################################################################################
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#
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# Test : HTTP-6640
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# Description : Search for special Apache modules: evasive
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if [ ${APACHE_INSTALLED} -eq 1 ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
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Register --test-no HTTP-6640 --preqs-met ${PREQS_MET} --weight L --network NO --description "Determining existence of specific Apache modules"
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if [ ${SKIPTEST} -eq 0 ]; then
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# Check modules, module
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CheckItem "apache_module" "/mod_evasive([0-9][0-9])?.so"
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if [ ${ITEM_FOUND} -eq 1 ]; then
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Display --indent 10 --text "mod_evasive: anti-DoS/brute force" --result FOUND --color GREEN
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AddHP 3 3
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else
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Display --indent 10 --text "mod_evasive: anti-DoS/brute force" --result "NOT FOUND" --color WHITE
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AddHP 2 3
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ReportSuggestion ${TEST_NO} "Install Apache mod_evasive to guard webserver against DoS/brute force attempts"
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fi
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fi
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#
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#################################################################################
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#
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# Test : HTTP-6641
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# Description : Search for special Apache modules: Quality of Service
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if [ ${APACHE_INSTALLED} -eq 1 ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
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Register --test-no HTTP-6641 --preqs-met ${PREQS_MET} --weight L --network NO --description "Determining existence of specific Apache modules"
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if [ ${SKIPTEST} -eq 0 ]; then
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# Check modules, module
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CheckItem "apache_module" "/mod_qos.so"
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if [ ${ITEM_FOUND} -eq 1 ]; then
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Display --indent 10 --text "mod_qos: anti-Slowloris" --result FOUND --color GREEN
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AddHP 3 3
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else
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Display --indent 10 --text "mod_qos: anti-Slowloris" --result "NOT FOUND" --color WHITE
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AddHP 2 3
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ReportSuggestion ${TEST_NO} "Install Apache mod_qos to guard webserver against Slowloris attacks"
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fi
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fi
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#
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#################################################################################
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#
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# Test : HTTP-6642
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# Description : Search for special Apache modules: Spamhaus
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if [ ${APACHE_INSTALLED} -eq 1 ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
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Register --test-no HTTP-6642 --preqs-met ${PREQS_MET} --weight L --network NO --description "Determining existence of specific Apache modules"
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if [ ${SKIPTEST} -eq 0 ]; then
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# Check modules, module
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CheckItem "apache_module" "/mod_spamhaus.so"
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if [ ${ITEM_FOUND} -eq 1 ]; then
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Display --indent 10 --text "mod_spamhaus: anti-spam (spamhaus)" --result FOUND --color GREEN
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AddHP 3 3
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else
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Display --indent 10 --text "mod_spamhaus: anti-spam (spamhaus)" --result "NOT FOUND" --color WHITE
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AddHP 2 3
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ReportSuggestion ${TEST_NO} "Install Apache mod_spamhaus to guard webserver against spammers"
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fi
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fi
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#
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#################################################################################
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#
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# Test : HTTP-6643
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# Description : Search for special Apache modules: security
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if [ ${APACHE_INSTALLED} -eq 1 ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
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Register --test-no HTTP-6643 --preqs-met ${PREQS_MET} --weight L --network NO --description "Determining existence of specific Apache modules"
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if [ ${SKIPTEST} -eq 0 ]; then
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# Check modules, module
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CheckItem "apache_module" "/mod_security2.so"
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if [ ${ITEM_FOUND} -eq 1 ]; then
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Display --indent 10 --text "ModSecurity: web application firewall" --result FOUND --color GREEN
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AddHP 3 3
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else
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Display --indent 10 --text "ModSecurity: web application firewall" --result "NOT FOUND" --color WHITE
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AddHP 2 3
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ReportSuggestion ${TEST_NO} "Install Apache modsecurity to guard webserver against web application attacks"
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fi
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# Extend test with nginx?
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fi
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#
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#################################################################################
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#
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# Test : HTTP-6660
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# Description : Search for "TraceEnable off" in configuration files
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#
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#################################################################################
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#
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# Test : HTTP-6702
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# Description : Search for nginx process
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Register --test-no HTTP-6702 --weight L --network NO --description "Check nginx process"
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if [ ${SKIPTEST} -eq 0 ]; then
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logtext "Test: searching running nginx process"
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FIND=`${PSBINARY} ax | grep "/nginx" | grep "master" | grep -v "grep"`
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if [ ! "${FIND}" = "" ]; then
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logtext "Result: found running nginx process(es)"
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Display --indent 2 --text "- Checking nginx" --result FOUND --color GREEN
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NGINX_RUNNING=1
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else
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logtext "Result: no running nginx process found"
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Display --indent 2 --text "- Checking nginx" --result "NOT FOUND" --color WHITE
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fi
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fi
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#
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#################################################################################
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#
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# Test : HTTP-6704
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# Description : Search for nginx configuration file
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if [ ${NGINX_RUNNING} -eq 1 ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
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Register --test-no HTTP-6704 --preqs-met ${PREQS_MET} --weight L --network NO --description "Check nginx configuration file"
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if [ ${SKIPTEST} -eq 0 ]; then
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logtext "Test: searching nginx configuration file"
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#YYY warning if multiple nginx.conf files are found
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for I in ${NGINX_CONF_LOCS}; do
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if [ -f ${I}/nginx.conf ]; then
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NGINX_CONF_LOCATION="${I}/nginx.conf"
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logtext "Found file ${NGINX_CONF_LOCATION}"
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fi
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done
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#YYY strings /usr/sbin/nginx | grep "conf$"
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if [ ! "${NGINX_CONF_LOCATION}" = "" ]; then
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logtext "Result: found nginx configuration file"
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report "nginx_main_conf_file=${NGINX_CONF_LOCATION}"
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Display --indent 4 --text "- Searching nginx configuration file" --result FOUND --color GREEN
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#FIND=`cat ${NGINX_CONF_LOCATION} | sed -e 's/^[ \t]*//' | grep -v "^#" | grep -v "^$" | sed 's/[\t]/ /g' | sed 's/ / /g' | sed 's/ / /g' >> ${TMPFILE2}`
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else
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logtext "Result: no nginx configuration file found"
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Display --indent 2 --text "- Searching nginx configuration file" --result "NOT FOUND" --color WHITE
|
|
fi
|
|
fi
|
|
#
|
|
#################################################################################
|
|
#
|
|
# Test : HTTP-6706
|
|
# Description : Search for includes within nginx configuration file
|
|
# Notes : Daemon nginx should be running, nginx.conf should be found
|
|
if [ ${NGINX_RUNNING} -eq 1 -a "${NGINX_CONF_LOCATION}" != "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
|
|
Register --test-no HTTP-6706 --preqs-met ${PREQS_MET} --weight L --network NO --description "Check for additional nginx configuration files"
|
|
if [ ${SKIPTEST} -eq 0 ]; then
|
|
# Remove temp file
|
|
if [ ! "${TMPFILE}" = "" ]; then if [ -f ${TMPFILE} ]; then rm -f ${TMPFILE}; fi; fi
|
|
N=0
|
|
# Search for included configuration files (may include directories and wild cards)
|
|
FIND=`grep "include" ${NGINX_CONF_LOCATION} | ${AWKBINARY} '{ if ($1=="include") { print $2 }}' | sed 's/;$//g'`
|
|
for I in ${FIND}; do
|
|
FIND2=`${LSBINARY} ${I} 2>/dev/null`
|
|
for J in ${FIND2}; do
|
|
# Double check if we are dealing with a file
|
|
if [ -f ${J} ]; then
|
|
N=`expr ${N} + 1`
|
|
logtext "Result: found Nginx configuration file ${J}"
|
|
report "nginx_sub_conf_file=${J}"
|
|
FileIsReadable ${J}
|
|
if [ ${CANREAD} -eq 1 ]; then
|
|
FIND3=`cat ${J} | sed -e 's/^[ \t]*//' | grep -v "^#" | grep -v "^$" | sed 's/[\t]/ /g' | sed 's/ / /g' | sed 's/ / /g' >> ${TMPFILE2}`
|
|
else
|
|
ReportException "${TEST_NO}:1" "Can not parse file ${J}, as it is not readable"
|
|
fi
|
|
fi
|
|
done
|
|
done
|
|
|
|
# Sort all discovered configuration lines and store unique ones. Also strip out the mime types configured in nginx
|
|
SORTFILE=`cat ${TMPFILE2} | sort | uniq | sed 's/ /:space:/g' | egrep -v "(application|audio|image|text|video)/" | egrep -v "({|})"`
|
|
for I in ${SORTFILE}; do
|
|
I=`echo ${I} | sed 's/:space:/ /g'`
|
|
report "nginx_config_option=${I}";
|
|
done
|
|
|
|
# Remove unsorted file for next tests
|
|
if [ -f ${TMPFILE2} ]; then rm -f ${TMPFILE2}; fi
|
|
|
|
if [ ${N} -eq 0 ]; then
|
|
logtext "Result: no nginx include statements found"
|
|
else
|
|
Display --indent 6 --text "- Found nginx includes" --result "${N} FOUND" --color GREEN
|
|
fi
|
|
fi
|
|
#
|
|
#################################################################################
|
|
#
|
|
# Test : HTTP-6708
|
|
# Description : Check discovered nginx configuration settings for further hardering
|
|
# Notes : Daemon of nginx should be running, nginx.conf should be found
|
|
if [ ${NGINX_RUNNING} -eq 1 -a "${NGINX_CONF_LOCATION}" != "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
|
|
Register --test-no HTTP-6708 --preqs-met ${PREQS_MET} --weight L --network NO --description "Check discovered nginx configuration settings"
|
|
if [ ${SKIPTEST} -eq 0 ]; then
|
|
logtext "Test: start parsing all discovered nginx options"
|
|
Display --indent 4 --text "- Parsing configuration options"
|
|
ParseNginx
|
|
fi
|
|
#
|
|
#################################################################################
|
|
#
|
|
# Test : HTTP-6710
|
|
# Description : Check SSL configuration of nginx
|
|
# Notes : Daemon of nginx should be running, nginx.conf should be found
|
|
if [ ${NGINX_RUNNING} -eq 1 -a "${NGINX_CONF_LOCATION}" != "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
|
|
Register --test-no HTTP-6710 --preqs-met ${PREQS_MET} --weight L --network NO --description "Check nginx SSL configuration settings"
|
|
if [ ${SKIPTEST} -eq 0 ]; then
|
|
NGINX_SSL_SUGGESTION=0
|
|
if [ ${NGINX_SSL_ON} -eq 1 ]; then
|
|
logtext "Result: SSL is configured in nginx on one or more virtual hosts"
|
|
Display --indent 6 --text "- SSL configured" --result "YES" --color GREEN
|
|
AddHP 5 5
|
|
# Cipher tests
|
|
if [ ${NGINX_SSL_CIPHERS} -eq 1 ]; then
|
|
Display --indent 8 --text "- Ciphers configured" --result "YES" --color GREEN
|
|
else
|
|
Display --indent 8 --text "- Ciphers configured" --result "NO" --color RED
|
|
NGINX_SSL_SUGGESTION=1
|
|
fi
|
|
|
|
if [ ${NGINX_SSL_PREFER_SERVER_CIPHERS} -eq 1 ]; then
|
|
Display --indent 8 --text "- Prefer server ciphers" --result "YES" --color GREEN
|
|
else
|
|
Display --indent 8 --text "- Prefer server ciphers" --result "NO" --color RED
|
|
NGINX_SSL_SUGGESTION=1
|
|
fi
|
|
|
|
if [ ${NGINX_SSL_PROTOCOLS} -eq 1 ]; then
|
|
Display --indent 8 --text "- Protocols configured" --result "YES" --color GREEN
|
|
FIND=`${GREPBINARY} "ssl_protocols" ${NGINX_CONF_LOCATION} | ${GREPBINARY} "SSLv[12]"`
|
|
if [ "${FIND}" = "" ]; then
|
|
Display --indent 10 --text "- Insecure protocols found" --result "NO" --color GREEN
|
|
else
|
|
Display --indent 10 --text "- Insecure protocols found" --result "YES" --color RED
|
|
fi
|
|
else
|
|
Display --indent 8 --text "- Protocols configured" --result "NO" --color RED
|
|
NGINX_SSL_SUGGESTION=1
|
|
fi
|
|
|
|
else
|
|
logtext "Result: No SSL configuration found"
|
|
Display --indent 6 --text "- SSL configured" --result "NO" --color RED
|
|
NGINX_SSL_SUGGESTION=1
|
|
AddHP 1 5
|
|
fi
|
|
if [ ${NGINX_SSL_SUGGESTION} -eq 1 ]; then
|
|
logtext "Result: one or more parts of the nginx configuration could be enhanced regarding SSL"
|
|
ReportSuggestion ${TEST_NO} "Configure SSL in nginx for protection of sensitive data and privacy"
|
|
fi
|
|
fi
|
|
#
|
|
#################################################################################
|
|
#
|
|
# Test : HTTP-6712
|
|
# Description : Check logging configuration of nginx
|
|
# Notes : Daemon of nginx should be running, nginx.conf should be found
|
|
if [ ${NGINX_RUNNING} -eq 1 -a "${NGINX_CONF_LOCATION}" != "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
|
|
Register --test-no HTTP-6712 --preqs-met ${PREQS_MET} --weight L --network NO --description "Check nginx access logging"
|
|
if [ ${SKIPTEST} -eq 0 ]; then
|
|
NGINX_LOG_SUGGESTION=0
|
|
Display --indent 6 --text "- Checking log file configuration"
|
|
|
|
# Check for missing access log
|
|
if [ ${NGINX_ACCESS_LOG_MISSING} -eq 1 ]; then
|
|
NGINX_LOG_SUGGESTION=1
|
|
Display --indent 8 --text "- Missing log files (access_log)" --result "YES" --color RED
|
|
else
|
|
Display --indent 8 --text "- Missing log files (access_log)" --result "NO" --color GREEN
|
|
fi
|
|
# Access log disabled
|
|
if [ ${NGINX_ACCESS_LOG_DISABLED} -eq 1 ]; then
|
|
NGINX_LOG_SUGGESTION=1
|
|
logtext "Result: found one or more virtual hosts which have their access log disabled"
|
|
Display --indent 8 --text "- Disabled access logging" --result "YES" --color RED
|
|
AddHP 2 3
|
|
else
|
|
logtext "Result: no virtual hosts found which have their access log disabled"
|
|
Display --indent 8 --text "- Disabled access logging" --result "NO" --color GREEN
|
|
AddHP 3 3
|
|
fi
|
|
# Report suggestion
|
|
if [ ${NGINX_LOG_SUGGESTION} -eq 1 ]; then
|
|
ReportSuggestion ${TEST_NO} "Check your nginx access log for proper functioning"
|
|
fi
|
|
fi
|
|
#
|
|
#################################################################################
|
|
#
|
|
# Test : HTTP-6714
|
|
# Description : Check missing error logs in nginx
|
|
if [ ${NGINX_RUNNING} -eq 1 -a "${NGINX_CONF_LOCATION}" != "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
|
|
Register --test-no HTTP-6714 --preqs-met ${PREQS_MET} --weight L --network NO --description "Check for missing error logs in nginx"
|
|
if [ ${SKIPTEST} -eq 0 ]; then
|
|
NGINX_LOG_SUGGESTION=0
|
|
# Check for missing access log
|
|
if [ ${NGINX_ERROR_LOG_MISSING} -eq 1 ]; then
|
|
NGINX_LOG_SUGGESTION=1
|
|
Display --indent 8 --text "- Missing log files (error_log)" --result "YES" --color RED
|
|
else
|
|
Display --indent 8 --text "- Missing log files (error_log)" --result "NO" --color GREEN
|
|
fi
|
|
# Report suggestion
|
|
if [ ${NGINX_LOG_SUGGESTION} -eq 1 ]; then
|
|
ReportSuggestion ${TEST_NO} "Check your nginx error_log statements"
|
|
fi
|
|
fi
|
|
#
|
|
#################################################################################
|
|
#
|
|
# Test : HTTP-6716
|
|
# Description : Check debug mode on error log in nginx
|
|
if [ ${NGINX_RUNNING} -eq 1 -a "${NGINX_CONF_LOCATION}" != "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
|
|
Register --test-no HTTP-6716 --preqs-met ${PREQS_MET} --weight L --network NO --description "Check for debug mode on error log in nginx"
|
|
if [ ${SKIPTEST} -eq 0 ]; then
|
|
NGINX_LOG_SUGGESTION=0
|
|
# Access log in debug mode
|
|
if [ ${NGINX_ERROR_LOG_DEBUG} -eq 1 ]; then
|
|
NGINX_LOG_SUGGESTION=1
|
|
logtext "Result: found one or more virtual hosts which have their error log in debug mode"
|
|
Display --indent 8 --text "- Debugging mode on error_log" --result "YES" --color RED
|
|
AddHP 2 3
|
|
else
|
|
logtext "Result: no virtual hosts found which have their access log disabled"
|
|
Display --indent 8 --text "- Debugging mode on error_log" --result "NO" --color GREEN
|
|
AddHP 3 3
|
|
fi
|
|
# Report suggestion
|
|
if [ ${NGINX_LOG_SUGGESTION} -eq 1 ]; then
|
|
ReportSuggestion ${TEST_NO} "Check your nginx error_log statements"
|
|
fi
|
|
fi
|
|
#
|
|
#################################################################################
|
|
#
|
|
# Test : HTTP-6712
|
|
# Description : Check if nginx is running as a reverse proxy
|
|
# Notes : aliases are not counted yet (YYY)
|
|
# if [ ${NGINX_RUNNING} -eq 1 -a ! "${NGINX_CONF_LOCATION}" = "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
|
|
# Register --test-no HTTP-6708 --preqs-met ${PREQS_MET} --weight L --network NO --description "Check nginx virtual hosts"
|
|
# if [ ${SKIPTEST} -eq 0 ]; then
|
|
# N=0
|
|
# logtext "Test: searching proxy_pass statement in configuration file ${NGINX_CONF_LOCATION}"
|
|
# FIND=`grep "proxy_pass" ${NGINX_CONF_LOCATION} | grep -v "#" | sed 's/proxy_pass//g' | tr -d ';'`
|
|
# for I in ${FIND}; do
|
|
# logtext "Found reverse proxy configuration for: ${I}"
|
|
# N=`expr ${N} + 1`
|
|
# done
|
|
# if [ ${N} -eq 0 ]; then
|
|
# logtext "Result: no reverse proxying functionality found"
|
|
# Display --indent 4 --text "- Searching reverse proxy functionality" --result "NOT FOUND" --color WHITE
|
|
# else
|
|
# logtext "Result: found ${N} addresses for which nginx will be a reverse proxy"
|
|
# Display --indent 4 --text "- Searching reverse proxy functionality" --result "${N} FOUND" --color GREEN
|
|
# fi
|
|
# fi
|
|
#
|
|
#################################################################################
|
|
#
|
|
# Test : HTTP-6712
|
|
# Description : Search for nginx virtual hosts
|
|
# Notes : Test if not aware yet of included configuration files
|
|
# if [ ${NGINX_RUNNING} -eq 1 -a ! "${NGINX_CONF_LOCATION}" = "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
|
|
# Register --test-no HTTP-6712 --preqs-met ${PREQS_MET} --weight L --network NO --description "Check nginx virtual hosts"
|
|
# if [ ${SKIPTEST} -eq 0 ]; then
|
|
# N=0
|
|
# logtext "Test: searching nginx virtual hosts"
|
|
# FIND=`grep "server_name" ${NGINX_CONF_LOCATION} | grep -v "#" | sed 's/server_name//g' | tr -d ';'`
|
|
# for I in ${FIND}; do
|
|
# if [ "${I}" = "_" ]; then I="Default virtual host"; fi
|
|
# logtext "Found virtual host: ${I}"
|
|
# report "nginx_vhost_name[]=${I}"
|
|
# N=`expr ${N} + 1`
|
|
# done
|
|
# if [ ${N} -eq 0 ]; then
|
|
# logtext "Result: no virtual hosts found"
|
|
# Display --indent 4 --text "- Searching virtual hosts" --result "NOT FOUND" --color WHITE
|
|
# else
|
|
# logtext "Result: found ${N} virtual hosts"
|
|
# Display --indent 4 --text "- Searching virtual hosts" --result "${N} FOUND" --color GREEN
|
|
# fi
|
|
# fi
|
|
#
|
|
#################################################################################
|
|
#
|
|
# Test : HTTP-6720
|
|
# Description : Search for Nginx log files
|
|
if [ ${NGINX_RUNNING} -eq 1 ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
|
|
Register --test-no HTTP-6720 --preqs-met ${PREQS_MET} --weight L --network NO --description "Check Nginx log files"
|
|
if [ ${SKIPTEST} -eq 0 ]; then
|
|
logtext "Test: Checking directories for files with log file definitions"
|
|
for I in ${NGINX_CONF_LOCS}; do
|
|
logtext "Test: Checking ${I}"
|
|
if [ -d ${I} ]; then
|
|
logtext "Result: Directory ${I} exists, so will be used as search path"
|
|
FIND=`find ${I} -type f -exec grep access_log \{\} \; | grep -v "#" | awk '{ if($1=="access_log") { print $2 } }' | sed 's/;$//g' | sort | uniq`
|
|
if [ "${FIND}" = "" ]; then
|
|
logtext "Result: no log files found"
|
|
else
|
|
logtext "Result: found one or more log files"
|
|
for I in ${FIND}; do
|
|
if [ -f ${I} ]; then
|
|
logtext "Found log file: ${I}"
|
|
report "log_file=${I}"
|
|
else
|
|
logtext "Found non existing log file: ${I}"
|
|
fi
|
|
done
|
|
fi
|
|
else
|
|
logtext "Result: directory ${I} not found, skipping search in this directory."
|
|
fi
|
|
done
|
|
fi
|
|
#
|
|
#################################################################################
|
|
#
|
|
# Test : HTTP-6740
|
|
# Description : Nginx: Check for server_tokens off in configuration files
|
|
#
|
|
#################################################################################
|
|
#
|
|
# Scan for websites
|
|
#/etc/apache2/sites-available
|
|
#
|
|
#################################################################################
|
|
#
|
|
|
|
# Remove temp file (double check)
|
|
if [ ! "${TMPFILE}" = "" ]; then if [ -f ${TMPFILE} ]; then rm -f ${TMPFILE}; fi; fi
|
|
if [ ! "${TMPFILE2}" = "" ]; then if [ -f ${TMPFILE2} ]; then rm -f ${TMPFILE2}; fi; fi
|
|
|
|
|
|
wait_for_keypress
|
|
|
|
#
|
|
#================================================================================
|
|
# Lynis - Copyright 2007-2014, Michael Boelen - cisofy.com - The Netherlands
|