mirror of https://github.com/CISOfy/lynis.git
515 lines
26 KiB
Bash
515 lines
26 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 2007-2013, Michael Boelen
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# Copyright 2007-2017, CISOfy
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#
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# Website : https://cisofy.com
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# Blog : http://linux-audit.com
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# GitHub : https://github.com/CISOfy/lynis
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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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# Time
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#
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#################################################################################
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#
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InsertSection "Time and Synchronization"
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#
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#################################################################################
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#
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CRON_DIRS="${ROOTDIR}etc/cron.d ${ROOTDIR}etc/cron.hourly ${ROOTDIR}etc/cron.daily ${ROOTDIR}etc/cron.weekly ${ROOTDIR}etc/cron.monthly ${ROOTDIR}var/spool/crontabs"
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CHRONY_CONF_FILE=""
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NTP_DAEMON=""
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NTP_DAEMON_RUNNING=0
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NTP_CONFIG_FOUND=0
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NTP_CONFIG_TYPE_DAEMON=0
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NTP_CONFIG_TYPE_SCHEDULED=0
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NTP_CONFIG_TYPE_EVENTBASED=0
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NTP_CONFIG_TYPE_STARTUP=0
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NTPD_RUNNING=0 # Specific for ntpd
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SYSTEMD_NTP_ENABLED=0
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#
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#################################################################################
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#
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# Test : TIME-3104
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# Description : Check for a running NTP daemon
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if [ -f /sys/hypervisor/type ]; then
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# TODO: Skip NTP tests if we are in a DomU xen instance
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FIND=$(cat /sys/hypervisor/type)
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if [ "${FIND}" = "xen" ]; then PREQS_MET="NO"; else PREQS_MET="YES"; fi
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elif [ -f /sbin/sysctl ] && [ "$(/sbin/sysctl -n security.jail.jailed 2>/dev/null || echo 0)" -eq 1 ]; then
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# Skip NTP tests if we're in a FreeBSD jail
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PREQS_MET="NO"
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else
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PREQS_MET="YES"
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fi
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Register --test-no TIME-3104 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Check for running NTP daemon or client"
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if [ ${SKIPTEST} -eq 0 ]; then
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# Linux/FreeBSD (ntpdate), OpenBSD (ntpd, rdate), Chrony, systemd-timesyncd
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LogText "Test: Searching for a running NTP daemon or available client"
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FOUND=0
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SEARCH_FILES="${ROOTDIR}etc/chrony.conf ${ROOTDIR}etc/chrony/chrony.conf"
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for FILE in ${SEARCH_FILES}; do
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if [ -f ${FILE} ]; then LogText "result: found chrony configuration: ${FILE}"; CHRONY_CONF_FILE="${FILE}"; fi
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done
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if [ ! -z "${CHRONY_CONF_FILE}" ]; then
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IsRunning chronyd
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if [ ${RUNNING} -eq 1 ]; then
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FOUND=1; NTP_DAEMON_RUNNING=1; NTP_CONFIG_TYPE_DAEMON=1; NTP_DAEMON="chronyd"
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Display --indent 2 --text "- NTP daemon found: chronyd" --result "${STATUS_FOUND}" --color GREEN
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else
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LogText "Result: found chrony configuration, but no running daemon"
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fi
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else
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LogText "Result: no chrony configuration found"
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fi
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# Check time daemon (eg DragonFly BSD)
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IsRunning dntpd
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if [ ${RUNNING} -eq 1 ]; then
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FOUND=1; NTP_DAEMON_RUNNING=1; NTP_CONFIG_TYPE_DAEMON=1; NTP_DAEMON="dntpd"
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Display --indent 2 --text "- NTP daemon found: dntpd" --result "${STATUS_FOUND}" --color GREEN
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fi
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# Check running processes
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FIND=$(${PSBINARY} ax | ${GREPBINARY} "ntpd" | ${GREPBINARY} -v "dntpd" | ${GREPBINARY} -v "grep")
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if [ ! -z "${FIND}" ]; then
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FOUND=1; NTPD_RUNNING=1; NTP_DAEMON_RUNNING=1; NTP_CONFIG_TYPE_DAEMON=1
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NTP_DAEMON="ntpd"
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LogText "Result: found running NTP daemon in process list"
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Display --indent 2 --text "- NTP daemon found: ntpd" --result "${STATUS_FOUND}" --color GREEN
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fi
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# Check time daemon (eg NetBSD)
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IsRunning timed
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if [ ${RUNNING} -eq 1 ]; then
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FOUND=1; NTP_DAEMON_RUNNING=1; NTP_CONFIG_TYPE_DAEMON=1; NTP_DAEMON="timed"
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Display --indent 2 --text "- NTP daemon found: timed" --result "${STATUS_FOUND}" --color GREEN
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fi
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# Check timedate daemon (systemd)
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if [ ! -z "${TIMEDATECTL}" ]; then
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FIND=$(${TIMEDATECTL} status | ${GREPBINARY} "NTP synchronized: yes")
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if [ ! -z "${FIND}" ]; then
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# Check for systemd-timesyncd
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if [ -f /etc/systemd/timesyncd.conf ]; then
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FOUND=1; NTP_DAEMON_RUNNING=1; NTP_CONFIG_TYPE_DAEMON=1; NTP_DAEMON="systemd-timesyncd"
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Display --indent 2 --text "- NTP daemon found: systemd (timesyncd)" --result "${STATUS_FOUND}" --color GREEN
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SYSTEMD_NTP_ENABLED=1
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fi
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else
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LogText "Result: time sychronization not performed according timedatectl command"
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fi
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fi
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# Check crontab for OpenBSD/FreeBSD
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# Check anacrontab for Linux
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CRONTAB_FILES="/etc/anacrontab /etc/crontab"
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for I in ${CRONTAB_FILES}; do
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if [ -f ${I} ]; then
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LogText "Test: checking for ntpdate or rdate in crontab file ${I}"
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FIND=$(${EGREPBINARY} "ntpdate|rdate" ${I} | ${GREPBINARY} -v '^#')
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if [ ! -z "${FIND}" ]; then
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FOUND=1; NTP_CONFIG_TYPE_SCHEDULED=1
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Display --indent 2 --text "- Checking NTP client in crontab file (${I})" --result "${STATUS_FOUND}" --color GREEN
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LogText "Result: found ntpdate or rdate reference in crontab file ${I}"
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else
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#Display --indent 2 --text "- Checking NTP client in crontab file (${I})" --result "${STATUS_NOT_FOUND}" --color WHITE
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LogText "Result: no ntpdate or rdate reference found in crontab file ${I}"
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fi
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else
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LogText "Result: crontab file ${I} not found"
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fi
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done
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# Don't run check in cron job directory on Solaris
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# /etc/cron.d/FIFO is a special file and test get stuck at this file
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FOUND_IN_CRON=0
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# Check cron jobs
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for I in ${CRON_DIRS}; do
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if [ -d ${I} ]; then
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if FileIsReadable ${I}; then
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FIND=$(${LSBINARY} ${I} | ${GREPBINARY} -v FIFO)
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if [ ! -z "${FIND}" ]; then
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for J in ${FIND}; do
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LogText "Test: checking for ntpdate or rdate in ${I}/${J}"
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FIND2=$(${EGREPBINARY} "rdate|ntpdate" ${I}/${J} | ${GREPBINARY} -v "^#")
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if [ ! -z "${FIND2}" ]; then
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LogText "Positive match found: ${FIND2}"
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FOUND=1; FOUND_IN_CRON=1; NTP_CONFIG_TYPE_SCHEDULED=1
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fi
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done
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else
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LogText "Result: ${I} is empty, skipping search in directory"
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fi
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else
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LogText "Result: could not search in directory due to permissions"
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fi
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fi
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done
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if [ ${FOUND_IN_CRON} -eq 1 ]; then
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Display --indent 2 --text "- Checking NTP client in cron files" --result "${STATUS_FOUND}" --color GREEN
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LogText "Result: found ntpdate or rdate in cron directory"
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else
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LogText "Result: no ntpdate or rdate found in cron directories"
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fi
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# Checking if ntpdate is performed by event
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LogText "Test: checking for file /etc/network/if-up.d/ntpdate"
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if [ -f /etc/network/if-up.d/ntpdate ]; then
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LogText "Result: found ntpdate action when network interface comes up"
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FOUND=1
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NTP_CONFIG_TYPE_EVENTBASED=1
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Display --indent 2 --text "- Checking event based ntpdate (if-up)" --result "${STATUS_FOUND}" --color GREEN
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else
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LogText "Result: file /etc/network/if-up.d/ntpdate does not exist"
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fi
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# Configuration file for *BSD
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if [ -f /etc/rc.conf ]; then
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LogText "Test: Checking if ntpdate is enabled at startup in *BSD"
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FIND=$(${GREPBINARY} 'ntpdate_enable="YES"' /etc/rc.conf)
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if [ ! -z "${FIND}" ]; then
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LogText "Result: ntpdate is enabled in rc.conf"
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FOUND=1
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NTP_CONFIG_TYPE_STARTUP=1
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# Only show suggestion when ntpdate is enabled, however ntpd is not running
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if [ ${NTP_DAEMON_RUNNING} -eq 0 ]; then
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ReportSuggestion ${TEST_NO} "Although ntpdate is enabled in rc.conf, it is advised to run it at least daily or use a NTP daemon"
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fi
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else
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LogText "Result: ntpdate is not enabled in rc.conf"
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fi
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fi
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if [ ${FOUND} -eq 0 ]; then
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if [ ${ISVIRTUALMACHINE} -eq 1 ]; then
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LogText "Result: Skipping display warning, as virtual machines usually don't need time synchronization in the VM itself"
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else
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Display --indent 2 --text "- Checking for a running NTP daemon or client" --result "${STATUS_WARNING}" --color RED
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LogText "Result: Could not find a NTP daemon or client"
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ReportSuggestion ${TEST_NO} "Use NTP daemon or NTP client to prevent time issues."
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AddHP 0 2
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fi
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else
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Display --indent 2 --text "- Checking for a running NTP daemon or client" --result "${STATUS_OK}" --color GREEN
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LogText "Result: Found a time syncing daemon/client."
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AddHP 3 3
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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 : TIME-3106
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# Description : Check status of systemd time synchronization
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if [ ${SYSTEMD_NTP_ENABLED} -eq 1 -a ! -z "${TIMEDATECTL}" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
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Register --test-no TIME-3106 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Check systemd NTP time synchronization status"
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if [ ${SKIPTEST} -eq 0 ]; then
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LogText "Test: Check the status of time synchronization via timedatectl"
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FIND=$(${TIMEDATECTL} status | ${GREPBINARY} "NTP synchronized: yes")
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if [ -z "${FIND}" ]; then
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LogText "Result: time not synchronized via NTP"
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ReportSuggestion "${TEST_NO}" "Check timedatectl output. Sychronization via NTP is enabled, but status reflects it is not synchronized"
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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 : TIME-3112
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# Description : Check for valid associations from ntpq peers list
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if [ ${NTPD_RUNNING} -eq 1 -a ! -z "${NTPQBINARY}" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
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Register --test-no TIME-3112 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Check active NTP associations ID's"
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if [ ${SKIPTEST} -eq 0 ]; then
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LogText "Test: Checking for NTP association ID's from ntpq peers list"
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FIND=$(${NTPQBINARY} -p -n | ${GREPBINARY} "No association ID's returned")
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if [ -z "${FIND}" ]; then
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Display --indent 2 --text "- Checking valid association ID's" --result "${STATUS_FOUND}" --color GREEN
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LogText "Result: Found one or more association ID's"
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else
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Display --indent 2 --text "- Checking valid association ID's" --result "${STATUS_WARNING}" --color RED
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ReportSuggestion ${TEST_NO} "Check ntp.conf for properly configured NTP servers and a correctly functioning name service."
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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 : TIME-3116
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# Description : Check for stratum 16 peers
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if [ ${NTPD_RUNNING} -eq 1 -a ! -z "${NTPQBINARY}" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
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Register --test-no TIME-3116 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Check peers with stratum value of 16"
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if [ ${SKIPTEST} -eq 0 ]; then
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N=0
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LogText "Test: Checking stratum 16 sources from ntpq peers list"
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FIND=$(${NTPQBINARY} -p -n | ${AWKBINARY} '{ if ($2!=".POOL." && $3=="16") { print $1 }}')
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if [ -z "${FIND}" ]; then
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Display --indent 2 --text "- Checking high stratum ntp peers" --result "${STATUS_OK}" --color GREEN
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LogText "Result: All peers are lower than stratum 16"
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else
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for I in ${FIND}; do
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LogText "Found stratum 16 peer: ${I}"
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FIND2=$(${EGREPBINARY} "^ntp:ignore_stratum_16_peer:${I}:" ${PROFILE})
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if [ -z "${FIND2}" ]; then
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N=$((N + 1))
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Report "ntp_stratum_16_peer[]=${I}"
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else
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LogText "Output: host ${I} ignored by profile"
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fi
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done
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# Check if one or more high stratum time servers are found
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if [ ${N} -eq 0 ]; then
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Display --indent 2 --text "- Checking high stratum ntp peers" --result "${STATUS_OK}" --color GREEN
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LogText "Result: all non local servers are lower than stratum 16, or whitelisted within the scan profile"
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else
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Display --indent 2 --text "- Checking high stratum ntp peers" --result "${STATUS_WARNING}" --color RED
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LogText "Result: Found one or more high stratum (16) peers)"
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ReportSuggestion ${TEST_NO} "Check ntpq peers output for stratum 16 peers"
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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 : TIME-3120
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# Description : Check unreliable peers from peer list
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# Notes : Items with # are too far away (network distance)
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# Items with - are not chosen due clustering algorithm
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if [ ${NTPD_RUNNING} -eq 1 -a ! -z "${NTPQBINARY}" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
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Register --test-no TIME-3120 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Check unreliable NTP peers"
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if [ ${SKIPTEST} -eq 0 ]; then
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LogText "Test: Checking unreliable ntp peers"
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FIND=$(${NTPQBINARY} -p -n | ${EGREPBINARY} "^(-|#)" | ${AWKBINARY} '{ print $1 }' | ${SEDBINARY} 's/^-//g')
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if [ -z "${FIND}" ]; then
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Display --indent 2 --text "- Checking unreliable ntp peers" --result "${STATUS_NONE}" --color GREEN
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LogText "Result: No unreliable peers found"
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else
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Display --indent 2 --text "- Checking unreliable ntp peers" --result "${STATUS_FOUND}" --color YELLOW
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LogText "Result: Found one or more unreliable peers (marked with a minus or dash sign)"
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for I in ${FIND}; do
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LogText "Unreliable peer: ${I}"
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Report "ntp_unreliable_peer[]=${I}"
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done
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ReportSuggestion ${TEST_NO} "Check ntpq peers output for unreliable ntp peers and correct/replace them"
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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 : TIME-3124
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# Description : Check selected time source
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if [ ${NTPD_RUNNING} -eq 1 -a ! -z "${NTPQBINARY}" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
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Register --test-no TIME-3124 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Check selected time source"
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if [ ${SKIPTEST} -eq 0 ]; then
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LogText "Test: Checking selected time source"
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FIND=$(${NTPQBINARY} -p -n | ${GREPBINARY} '^*' | ${AWKBINARY} '{ if ($4=="l") { print $1 } }')
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FIND2=$(${NTPQBINARY} -p -n | ${GREPBINARY} '^*' | ${AWKBINARY} '{ print $1 }')
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if [ -z "${FIND}" -a ! -z "${FIND2}" ]; then
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Display --indent 2 --text "- Checking selected time source" --result "${STATUS_OK}" --color GREEN
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FIND2=$(echo ${FIND2} | ${SEDBINARY} 's/*//g')
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LogText "Result: Found selected time source (value: ${FIND2})"
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else
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Display --indent 2 --text "- Checking selected time source" --result "${STATUS_WARNING}" --color RED
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LogText "Result: Found local source as selected time source. This could indicate that no external sources are available to sync with."
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LogText "Local source: ${FIND}"
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ReportSuggestion ${TEST_NO} "Check ntpq peers output for selected time source"
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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 : TIME-3128
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# Description : Check time source candidates
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if [ ${NTPD_RUNNING} -eq 1 -a ! -z "${NTPQBINARY}" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
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Register --test-no TIME-3128 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Check preferred time source"
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if [ ${SKIPTEST} -eq 0 ]; then
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LogText "Test: Checking preferred time source"
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FIND=$(${NTPQBINARY} -p -n | ${GREPBINARY} '^+' | ${AWKBINARY} '{ print $1 }')
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if [ -z "${FIND}" ]; then
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Display --indent 2 --text "- Checking time source candidates" --result "${STATUS_NONE}" --color YELLOW
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LogText "Result: No other time source candidates found"
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ReportSuggestion ${TEST_NO} "Check ntpq peers output for time source candidates"
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else
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Display --indent 2 --text "- Checking time source candidates" --result "${STATUS_OK}" --color GREEN
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LogText "Result: Found one or more candidates to synchronize time with."
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for I in ${FIND}; do
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I=$(echo ${I} | ${SEDBINARY} 's/+//g')
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LogText "Candidate found: ${I}"
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done
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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 : TIME-3132
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# Description : Check ntpq falsetickers
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if [ ${NTPD_RUNNING} -eq 1 -a ! -z "${NTPQBINARY}" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
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Register --test-no TIME-3132 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Check NTP falsetickers"
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if [ ${SKIPTEST} -eq 0 ]; then
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LogText "Test: Checking preferred time source"
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FIND=$(${NTPQBINARY} -p -n | ${EGREPBINARY} '^x')
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if [ -z "${FIND}" ]; then
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Display --indent 2 --text "- Checking falsetickers" --result "${STATUS_OK}" --color GREEN
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LogText "Result: No falsetickers found (items preceeding with an 'x')"
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else
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Display --indent 2 --text "- Checking falsetickers" --result "${STATUS_NONE}" --color YELLOW
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LogText "Result: Found one or more falsetickers (items preceeding with an 'x')"
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for I in ${FIND}; do
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I=$(echo ${I} | ${SEDBINARY} 's/x//g')
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LogText "Falseticker found: ${I}"
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Report "ntp_falseticker[]=${I}"
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done
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ReportSuggestion ${TEST_NO} "Check ntpq peers output for falsetickers"
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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 : TIME-3136
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# Description : Check ntpq reported ntp version (Linux)
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if [ ${NTPD_RUNNING} -eq 1 -a ! -z "${NTPQBINARY}" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
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Register --test-no TIME-3136 --os Linux --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Check NTP protocol version"
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if [ ${SKIPTEST} -eq 0 ]; then
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LogText "Test: Checking NTP protocol version (ntpq -c ntpversion)"
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FIND=$(${NTPQBINARY} -c ntpversion | ${AWKBINARY} '{ if ($1=="NTP" && $2=="version" && $5=="is") { print $6 } }')
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if [ -z "${FIND}" ]; then
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Display --indent 2 --text "- Checking NTP version" --result "${STATUS_UNKNOWN}" --color YELLOW
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LogText "Result: No NTP version found"
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ReportSuggestion ${TEST_NO} "Check ntpq output for NTP protocol version"
|
|
else
|
|
Display --indent 2 --text "- Checking NTP version" --result "${STATUS_FOUND}" --color GREEN
|
|
LogText "Result: Found NTP version ${FIND}"
|
|
Report "ntp_version=${FIND}"
|
|
fi
|
|
fi
|
|
#
|
|
#################################################################################
|
|
#
|
|
# Test : TIME-3146
|
|
# Description : Check /etc/default/ntpdate (Linux)
|
|
# Notes : ntpdate-debian binary
|
|
#if [ ${NTPD_RUNNING} -eq 1 -a ! -z "${NTPQBINARY}" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
|
|
#Register --test-no TIME-3146 --os Linux --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Check /etc/default/ntpdate"
|
|
#if [ ${SKIPTEST} -eq 0 ]; then
|
|
#
|
|
#################################################################################
|
|
#
|
|
# Test : TIME-3148
|
|
# Description : Check if TZ variable is set (Linux)
|
|
# Notes : without TZ variable set, a lot of unneeded calls might be performed.
|
|
Register --test-no TIME-3148 --os Linux --weight L --network NO --category performance --description "Check TZ variable"
|
|
if [ ${SKIPTEST} -eq 0 ]; then
|
|
LogText "Test: testing for TZ variable"
|
|
FIND="${TZ:=notset}"
|
|
LogText "Result: found TZ variable with value ${FIND}"
|
|
if [ "${FIND}" = "notset" ]; then
|
|
Report "tz_variable_empty=1"
|
|
fi
|
|
fi
|
|
#
|
|
#################################################################################
|
|
#
|
|
# Test : TIME-3160
|
|
# Description : Check empty NTP step-tickers
|
|
# Notes : Mostly applies to Red Hat and clones
|
|
if [ "${NTPD_RUNNING}" -eq 1 -a ! -z "${NTPQBINARY}" -a ! -z "${CHKCONFIGBINARY}" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
|
|
Register --test-no TIME-3160 --os Linux --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Check empty NTP step-tickers"
|
|
if [ ${SKIPTEST} -eq 0 ]; then
|
|
FOUND=0
|
|
FILE="/etc/ntp/step-tickers"
|
|
if [ -f ${FILE} ]; then
|
|
if [ -z ${FILE} ]; then
|
|
LogText "Result: ${FILE} is empty. The step-tickers contain no configured NTP servers"
|
|
Display --indent 2 --text "- Checking NTP step-tickers file" --result "EMPTY FILE" --color YELLOW
|
|
ReportSuggestion ${TEST_NO} "Use step-tickers file for quicker time synchronization"
|
|
else
|
|
LogText "Result: /etc/ntp/step-tickers is not empty, which is fine"
|
|
Display --indent 2 --text "- Checking NTP step-tickers file" --result "${STATUS_OK}" --color GREEN
|
|
sFIND=$(${AWKBINARY} '/^server/ { print $2 }' /etc/ntp.conf | ${GREPBINARY} -v '127.127.1.0')
|
|
for I in ${sFIND}; do
|
|
FIND=$(${GREPBINARY} ^${I} ${FILE} | wc -l)
|
|
if [ ${FIND} -gt 0 ]; then
|
|
LogText "Result: $I exist in ${FILE}"
|
|
else
|
|
LogText "Result: ${I} does NOT exist in ${FILE}"
|
|
FOUND=1
|
|
fi
|
|
done
|
|
if [ ${FOUND} -eq 1 ]; then
|
|
Display --indent 4 --text "- Checking step-tickers ntp servers entries" --result "SOME MISSING" --color YELLOW
|
|
ReportSuggestion ${TEST_NO} "Some time servers missing in step-tickers file"
|
|
AddHP 3 4
|
|
else
|
|
Display --indent 4 --text "- Checking step-tickers ntp servers entries" --result "${STATUS_OK}" --color GREEN
|
|
LogText "Result: all time servers are in step-tickers file"
|
|
AddHP 4 4
|
|
fi
|
|
fi
|
|
LogText "Information: step-tickers is used by ntpdate where as ntp.conf is the configuration file for the ntpd daemon. ntpdate is initially run to set the clock before ntpd to make sure time is within 1000 sec."
|
|
LogText "Risk: ntp will not run at boot if the time difference between the server and client by more then 1000 sec."
|
|
else
|
|
LogText "Result: test skipped because ${FILE} not found"
|
|
fi
|
|
fi
|
|
#
|
|
#################################################################################
|
|
#
|
|
# Test : TIME-3170
|
|
# Description : Check file permissions and ownership of configuration files
|
|
# Notes : Files should be owned by root, or the user running
|
|
# Group owner should have only read access
|
|
# Other should preferably have no access, or read-only at max
|
|
|
|
FILE_ARRAY="/etc/chrony.conf /etc/inet/ntp.conf /etc/ntp.conf /usr/local/etc/ntp.conf"
|
|
Register --test-no TIME-3170 --weight L --network NO --category security --description "Check configuration files"
|
|
if [ ${SKIPTEST} -eq 0 ]; then
|
|
for FILE in ${FILE_ARRAY}; do
|
|
if [ -f ${FILE} ]; then
|
|
LogText "Result: found ${FILE}"
|
|
if IsWorldWritable ${FILE}; then
|
|
ReportWarning "${TEST_NO}" "Found world writable configuration file" "${FILE}" ""
|
|
fi
|
|
Report "ntp_config_file[]=${FILE}"
|
|
fi
|
|
done
|
|
fi
|
|
#
|
|
#################################################################################
|
|
#
|
|
Report "ntp_config_found=${NTP_CONFIG_FOUND}"
|
|
Report "ntp_config_type_daemon=${NTP_CONFIG_TYPE_DAEMON}"
|
|
Report "ntp_config_type_eventbased=${NTP_CONFIG_TYPE_EVENTBASED}"
|
|
Report "ntp_config_type_scheduled=${NTP_CONFIG_TYPE_SCHEDULED}"
|
|
Report "ntp_config_type_startup=${NTP_CONFIG_TYPE_STARTUP}"
|
|
Report "ntp_daemon=${NTP_DAEMON}"
|
|
Report "ntp_daemon_running=${NTP_DAEMON_RUNNING}"
|
|
#
|
|
#################################################################################
|
|
#
|
|
# For VMs check ntpd.conf : tinker panic 0
|
|
|
|
# OS Time daemons Configuration file
|
|
# --------------------------------------------
|
|
# AIX xntpd /etc/ntp.conf
|
|
# HP
|
|
# Linux ntpd /etc/ntp.conf
|
|
# chrony /etc/chrony.conf
|
|
# OpenBSD ntpd /etc/ntpd.conf
|
|
# Solaris xntpd /etc/inet/ntp.conf
|
|
|
|
WaitForKeyPress
|
|
|
|
#
|
|
#================================================================================
|
|
# Lynis - Security Auditing and System Hardening for Linux and UNIX - https://cisofy.com
|