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Name	Size	Permission
binaries	38.36 KB	-rw-r--r--
consts	10.77 KB	-rw-r--r--
data_upload	13.63 KB	-rw-r--r--
functions	157.68 KB	-rw-r--r--
helper_audit_dockerfile	7.82 KB	-rw-r--r--
helper_configure	3.67 KB	-rw-r--r--
helper_generate	7.39 KB	-rw-r--r--
helper_show	22.29 KB	-rw-r--r--
helper_system_remote_scan	3.54 KB	-rw-r--r--
helper_update	3.59 KB	-rw-r--r--
osdetection	37.98 KB	-rw-r--r--
parameters	16.48 KB	-rw-r--r--
profiles	26.89 KB	-rw-r--r--
report	16.45 KB	-rw-r--r--
tests_accounting	25.48 KB	-rw-r--r--
tests_authentication	84.03 KB	-rw-r--r--
tests_banners	8.35 KB	-rw-r--r--
tests_boot_services	54.51 KB	-rw-r--r--
tests_containers	11.29 KB	-rw-r--r--
tests_crypto	17.67 KB	-rw-r--r--
tests_custom.template	6.78 KB	-rw-r--r--
tests_databases	23.72 KB	-rw-r--r--
tests_dns	3.39 KB	-rw-r--r--
tests_file_integrity	21.41 KB	-rw-r--r--
tests_file_permissions	3.25 KB	-rw-r--r--
tests_filesystems	46.33 KB	-rw-r--r--
tests_firewalls	29.96 KB	-rw-r--r--
tests_hardening	7.01 KB	-rw-r--r--
tests_homedirs	9.17 KB	-rw-r--r--
tests_insecure_services	26.73 KB	-rw-r--r--
tests_kernel	60.76 KB	-rw-r--r--
tests_kernel_hardening	5.62 KB	-rw-r--r--
tests_ldap	3.96 KB	-rw-r--r--
tests_logging	31.25 KB	-rw-r--r--
tests_mac_frameworks	14.53 KB	-rw-r--r--
tests_mail_messaging	21.45 KB	-rw-r--r--
tests_malware	18.44 KB	-rw-r--r--
tests_memory_processes	7.17 KB	-rw-r--r--
tests_nameservices	34.51 KB	-rw-r--r--
tests_networking	40.67 KB	-rw-r--r--
tests_php	27.48 KB	-rw-r--r--
tests_ports_packages	78.76 KB	-rw-r--r--
tests_printers_spoolers	13.85 KB	-rw-r--r--
tests_scheduling	15.74 KB	-rw-r--r--
tests_shells	13.37 KB	-rw-r--r--
tests_snmp	4.32 KB	-rw-r--r--
tests_squid	16.9 KB	-rw-r--r--
tests_ssh	17.59 KB	-rw-r--r--
tests_storage	3.74 KB	-rw-r--r--
tests_storage_nfs	8.4 KB	-rw-r--r--
tests_system_integrity	2.13 KB	-rw-r--r--
tests_time	32.61 KB	-rw-r--r--
tests_tooling	20.87 KB	-rw-r--r--
tests_usb	21.04 KB	-rw-r--r--
tests_virtualization	1.95 KB	-rw-r--r--
tests_webservers	30.9 KB	-rw-r--r--
tool_tips	2.16 KB	-rw-r--r--

Code Editor : tests_containers

#!/bin/sh

#################################################################################
#
#   Lynis
# ------------------
#
# Copyright 2007-2013, Michael Boelen
# Copyright 2007-2021, CISOfy
#
# Website  : https://cisofy.com
# Blog     : http://linux-audit.com
# GitHub   : https://github.com/CISOfy/lynis
#
# Lynis comes with ABSOLUTELY NO WARRANTY. This is free software, and you are
# welcome to redistribute it under the terms of the GNU General Public License.
# See LICENSE file for usage of this software.
#
#################################################################################
#
# Containers, Zones, Jails
#
#################################################################################
#
    InsertSection "${SECTION_CONTAINERS}"
#
#################################################################################
#
    DOCKER_CONTAINERS_RUNNING=0
    DOCKER_CONTAINERS_TOTAL=0
    DOCKER_FILE_PERMISSIONS_WARNINGS=0
    RUN_DOCKER_TESTS=0
#
#################################################################################
#
    # Test        : CONT-8004
    # Description : Query running Solaris zones
    if [ -x ${ROOTDIR}usr/sbin/zoneadm ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
    Register --test-no CONT-8004 --os Solaris --weight L --network NO --category security --description "Query running Solaris zones"
    if [ ${SKIPTEST} -eq 0 ]; then
        LogText "Test: query zoneadm to list all running zones"
        FIND=$(${ROOTDIR}usr/sbin/zoneadm list -p | ${AWKBINARY} -F: '{ if ($2!="global") print $0 }')
        if [ -n "${FIND}" ]; then
            COUNT=0
            for ITEM in ${FIND}; do
                COUNT=$((COUNT + 1))
                ZONEID=$(echo ${ITEM} | ${CUTBINARY} -d ':' -f1)
                ZONENAME=$(echo ${ITEM} | ${CUTBINARY} -d ':' -f2)
                LogText "Result: found zone ${ZONENAME} (running)"
                Report "solaris_running_zone[]=${ZONENAME} [id:${ZONEID}]"
            done
            LogText "Result: total of ${COUNT} running zones"
            Display --indent 2 --text "- Checking Solaris Zones" --result "FOUND ${COUNT} zones" --color GREEN
        else
            LogText "Result: no running zones found"
            Display --indent 2 --text "- Checking Solaris Zones" --result "${STATUS_NONE}" --color WHITE
        fi
    fi
#
#################################################################################
#
    # Do you have Xen running? Help us testing this test and submit a pull request on GitHub

# Test        : CONT-1906 TODO
    # Description : Query running Xen zones
    #if [ -x /usr/bin/xm ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
    #Register --test-no CONT-1906 --weight L --network NO --category security --description "Query Xen guests"
    #if [ ${SKIPTEST} -eq 0 ]; then
        # Show Xen guests
        #FIND=$(xm list | ${AWKBINARY} '$1 != "Name|Domain-0" {print $1","$2}')
        #for I in ${FIND}; do
            #XENGUESTNAME=$(echo ${I} | ${CUTBINARY} -d ':' -f1)
            #XENGUESTID=$(echo ${I} | ${CUTBINARY} -d ':' -f2)
            #LogText "Result: found Xen guest ${XENGUESTNAME} (ID: ${XENGUESTID})"
        #done
    #fi
#
#################################################################################
#
    # Test        : CONT-8102
    # Description : Checking Docker daemon status and basic information for later tests
    Register --test-no CONT-8102 --weight L --network NO --category security --description "Checking Docker status and information"
    if [ ${SKIPTEST} -eq 0 ]; then
        if IsRunning "dockerd"; then
            LogText "Result: found Docker daemon running"
            Report "docker_daemon_running=1"
            DOCKER_DAEMON_RUNNING=1
            RUN_DOCKER_TESTS=1
            Display --indent 4 --text "- Docker"
            Display --indent 6 --text "- Docker daemon" --result "${STATUS_RUNNING}" --color GREEN
        fi
    fi
#
#################################################################################
#
    # Test        : CONT-8104
    # Description : Checking Docker info for any warnings
    # Notes       : Hardening points are awarded, as usually warnings are the result of missing controls to restrict boundaries like memory
    if HasData "${DOCKERBINARY}"; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
    Register --test-no CONT-8104 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Checking Docker info for any warnings"
    if [ ${SKIPTEST} -eq 0 ]; then
        COUNT=0
        LogText "Test: Check for any warnings"
        FIND=$(${DOCKERBINARY} version 2>&1)
        if [ $? -gt 0 ]; then
            Display --indent 8 --text "- Docker status" --result "${STATUS_ERROR}" --color RED
            LogText "Result: disabling further Docker tests as docker version gave exit code other than zero (0)"
            RUN_DOCKER_TESTS=0
        fi
        FIND=$(${DOCKERBINARY} info 2>&1 | ${GREPBINARY} "^WARNING:" | ${CUTBINARY} -d " " -f 2- | ${SEDBINARY} 's/ /:space:/g')
        if [ ! "${FIND}" = "" ]; then
            LogText "Result: found warning(s) in output"
            for I in ${FIND}; do
                J=$(echo ${I} | ${SEDBINARY} 's/:space:/ /g')
                LogText "Output: ${J}"
                COUNT=$((COUNT + 1))
            done
            Display --indent 8 --text "- Docker info output (warnings)" --result "${COUNT}" --color YELLOW
            ReportSuggestion "${TEST_NO}" "Run 'docker info' to see warnings applicable to Docker daemon"
            AddHP 3 4
        else
            LogText "Result: no warnings found from 'docker info' output"
            Display --indent 8 --text "- Docker info output (warnings)" --result "${STATUS_NONE}" --color GREEN
            AddHP 1 1
        fi
    fi
#
#################################################################################
#
    # Test        : CONT-8106
    # Description : Checking Docker containers (basic stats)
    # Notes       : Hardening points are awarded, if there aren't a lot of stopped containers
    if [ -n "${DOCKERBINARY}" -a ${RUN_DOCKER_TESTS} -eq 1 ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
    Register --test-no CONT-8106 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Gather basic stats from Docker"
    if [ ${SKIPTEST} -eq 0 ]; then
        Display --indent 6 --text "- Containers"

# Check total of containers
        LogText "Test: checking total amount of Docker containers"
        DOCKER_CONTAINERS_TOTAL=$(${DOCKERBINARY} info 2> /dev/null | ${EGREPBINARY} "^[ \t]?Containers: " | ${AWKBINARY} '{ print $2 }')
        if [ -z "${DOCKER_CONTAINERS_TOTAL}" ]; then
            DOCKER_CONTAINERS_TOTAL=0
        fi

LogText "Result: docker info shows ${DOCKER_CONTAINERS_TOTAL} containers"
        DOCKER_CONTAINERS_TOTAL2=$(${DOCKERBINARY} ps -a 2> /dev/null | ${GREPBINARY} -c -v "CONTAINER")
        LogText "Result: docker ps -a shows ${DOCKER_CONTAINERS_TOTAL2} containers"
        if [ ! "${DOCKER_CONTAINERS_TOTAL}" = "${DOCKER_CONTAINERS_TOTAL2}" ]; then
            LogText "Result: difference detected, which is unexpected"
            ReportSuggestion "${TEST_NO}" "Test output of both 'docker ps -a' and 'docker info', to determine why they report a different amount of containers"
            Display --indent 8 --text "- Total containers" --result "${STATUS_UNKNOWN}" --color RED
        else
            Display --indent 8 --text "- Total containers" --result "${DOCKER_CONTAINERS_TOTAL}" --color WHITE
        fi

# Check running instances
        DOCKER_CONTAINERS_RUNNING=$(${DOCKERBINARY} ps 2> /dev/null | ${GREPBINARY} -c -v "CONTAINER")
        if [ ${DOCKER_CONTAINERS_RUNNING} -gt 0 ]; then
            Display --indent 10 --text "- Running containers" --result "${DOCKER_CONTAINERS_RUNNING}" --color GREEN
            LogText "Result: ${DOCKER_CONTAINERS_RUNNING} containers are currently active"
            Report "docker_containers_running=${DOCKER_CONTAINERS_RUNNING}"
        else
            LogText "Result: no active containers"
            Report "docker_containers_running=0"
        fi
    fi
#
#################################################################################
#
    # Test        : CONT-8107
    # Description : Checking Docker number of unused containers
    # Notes       : Hardening points are awarded, if there aren't a lot of stopped containers
    if [ -n "${DOCKERBINARY}" -a ${RUN_DOCKER_TESTS} -eq 1 ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
    Register --test-no CONT-8107 --preqs-met ${PREQS_MET} --weight L --network NO --category performance --description "Check number of Docker containers"
    if [ ${SKIPTEST} -eq 0 ]; then
        # Check if there aren't too many unused containers on the system
        if [ ${DOCKER_CONTAINERS_TOTAL} -gt 0 ]; then
            DOCKER_CONTAINERS_UNUSED=$((DOCKER_CONTAINERS_TOTAL - DOCKER_CONTAINERS_RUNNING))
            if [ ${DOCKER_CONTAINERS_UNUSED} -gt 10 ]; then
                ReportSuggestion "${TEST_NO}" "More than 10 unused containers found on the system. Clean up old containers by using output of 'docker ps -a' command"
                Display --indent 8 --text "- Unused containers" --result "${DOCKER_CONTAINERS_UNUSED}" --color RED
                AddHP 0 2
            else
                LogText "Result: found ${DOCKER_CONTAINERS_UNUSED} unused containers"
                Display --indent 8 --text "- Unused containers" --result "${DOCKER_CONTAINERS_UNUSED}" --color YELLOW
                AddHP 1 1
            fi
        fi
    fi
#
#################################################################################
#
    # Test        : CONT-8108
    # Description : Checking Docker file permissions
    # Notes       : /var/run/docker.sock - Usually root as owner, docker as group - should not be world writable
    if [ -n "${DOCKERBINARY}" -a ${RUN_DOCKER_TESTS} -eq 1 ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
    Register --test-no CONT-8108 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Check file permissions for Docker files"
    if [ ${SKIPTEST} -eq 0 ]; then
        NOT_WORLD_WRITABLE="${ROOTDIR}var/run/docker.sock"
        for FILE in ${NOT_WORLD_WRITABLE}; do
            LogText "Test: Check ${FILE}"
            if [ -f ${FILE} ]; then
                LogText "Result: file ${FILE} found, permissions will be tested"
                if IsWorldWritable ${FILE}; then
                    LogText "Result: file is writable by others, which is a security risk (e.g. privilege escalation)"
                    ReportWarning "${TEST_NO}" "Docker file is world writable" "${FILE}" "-"
                    DOCKER_FILE_PERMISSIONS_WARNINGS=$((DOCKER_FILE_PERMISSIONS_WARNINGS + 1))
                else
                    LogText "Result: file ${FILE} is not writable by others, which is fine"
                fi
            fi
        done
        if [ ${DOCKER_FILE_PERMISSIONS_WARNINGS} -gt 0 ]; then
            Display --indent 4 --text "- File permissions" --result "${STATUS_WARNING}"S --color YELLOW
            AddHP 0 5
        else
            Display --indent 4 --text "- File permissions" --result "${STATUS_OK}" --color GREEN
            AddHP 5 5
        fi
    fi
#
#################################################################################
#

WaitForKeyPress

#
#================================================================================
# Lynis - Copyright 2007-2021, CISOfy - https://cisofy.com

${this.title}

Code Editor : tests_containers