lynis/include/tests_authentication

#!/bin/sh

#################################################################################
#
#   Lynis
# ------------------
#
# Copyright 2007-2013, Michael Boelen
# Copyright 2013-2016, 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.
#
#################################################################################
#
# User, Group and authentication tests
#
#################################################################################
#
    LDAP_AUTH_ENABLED=0
    LDAP_PAM_ENABLED=0
    LDAP_CONF_LOCATIONS="/etc/ldap.conf /etc/ldap/ldap.conf /etc/openldap/ldap.conf /usr/local/etc/ldap.conf /usr/local/etc/openldap/ldap.conf"
    PAM_FILE_LOCATIONS="/lib/i386-linux-gnu/security /lib/security /lib/x86_64-linux-gnu/security /lib64/security /usr/lib /usr/lib/security"
    SUDOERS_LOCATIONS="/etc/sudoers /usr/local/etc/sudoers /usr/pkg/etc/sudoers"
    SUDOERS_FILE=""
#
#################################################################################
#
    InsertSection "Users, Groups and Authentication"

    # Test        : AUTH-9204
    # Description : Check users with UID zero (0)
    # Notes       : Ignores :0: in file if match is in NIS related line
    Register --test-no AUTH-9204 --weight L --network NO --category security --description "Check users with an UID of zero"
    if [ ${SKIPTEST} -eq 0 ]; then
        # Search accounts with UID 0
        LogText "Test: Searching accounts with UID 0"
        FIND=(${GREPBINARY} ':0:' /etc/passwd | ${EGREPBINARY} -v '^#|^root:|^(\+:\*)?:0:0:::' | cut -d ":" -f1,3 | grep ':0')
        if [ ! "${FIND}" = "" ]; then
            Display --indent 2 --text "- Administrator accounts" --result "${STATUS_WARNING}" --color RED
            LogText "Result: Found more than one administrator accounts"
            ReportWarning "${TEST_NO}" "Multiple users with UID 0 found in passwd file"
            for USER in ${FIND}; do
                LogText "Administrator account: ${USER}"
                Report "user_with_uid_zero[]=${USER}"
                if [ "${USER}" = "toor" ]; then
                    LogText "BSD note: default there is a user 'toor' installed. This account is considered useless unless it"
                    LogText "is assigned a password and used for daily operations or emergencies. ie: bad shell for root user."
                    ReportSuggestion ${TEST_NO} "Use vipw to delete the 'toor' user if not used."
                fi
            done
        else
            Display --indent 2 --text "- Administrator accounts" --result "${STATUS_OK}" --color GREEN
            LogText "Result: No accounts found with UID 0 other than root."
        fi
    fi
#
#################################################################################
#
    # Test        : AUTH-9208
    # Description : Check non-unique accounts
    Register --test-no AUTH-9208 --weight L --network NO --category security --description "Check non-unique accounts in passwd file"
    if [ ${SKIPTEST} -eq 0 ]; then
        LogText "Test: Checking for non-unique accounts"
        if  [ "${OS}" = "DragonFly" -o "${OS}" = "FreeBSD" -o "${OS}" = "NetBSD" -o "${OS}" = "OpenBSD" ]; then
            PASSWD_FILE="/etc/master.passwd"
          else
            PASSWD_FILE="/etc/passwd"
        fi
        # Check password file
        if [ -f ${PASSWD_FILE} ]; then
            FIND=$(${GREPBINARY} -v '^#' ${PASSWD_FILE} | cut -d ':' -f3 | sort | uniq -d)
            if [ "${FIND}" = "" ]; then
                Display --indent 2 --text "- Unique UIDs" --result "${STATUS_OK}" --color GREEN
                LogText "Result: all accounts found in ${PASSWD_FILE} are unique"
            else
                Display --indent 2 --text "- Unique UIDs" --result "${STATUS_WARNING}" --color RED
                LogText "Result: found multiple accounts with same UID"
                LogText "Output (non-unique UIDs): ${FIND}"
                ReportWarning ${TEST_NO} "Multiple accounts found with same UID"
            fi
          else
            Display --indent 2 --text "- Unique UIDs" --result "${STATUS_SKIPPED}" --color WHITE
            LogText "Result: test skipped, ${PASSWD_FILE} file not available"
        fi
        LogText "Remarks: Non unique UIDs can riskful for the system or part of a configuration mistake"
    fi
#
#################################################################################
#
    # Test        : AUTH-9212
    # Description : Test group file with chkgrp tool (ie FreeBSD)
    LogText "Prerequisite test: /usr/sbin/chkgrp"
    if [ -x /usr/sbin/chkgrp ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
    Register --test-no AUTH-9212 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Test group file"
    if [ ${SKIPTEST} -eq 0 ]; then
        Display --indent 2 --text "- Checking chkgrp tool" --result "${STATUS_FOUND}" --color GREEN
        LogText "Result: /usr/sbin/chkgrp binary found. Using this to perform next test(s)."
        LogText "Test: Testing consistency of /etc/group file"
        FIND=`/usr/sbin/chkgrp | ${GREPBINARY} -v 'is fine'`
        if [ "${FIND}" = "" ]; then
            Display --indent 4 --text "- Checking consistency of /etc/group file" --result "${STATUS_OK}" --color GREEN
            LogText "Result: chkgrp test performed, Group file seems to be ok."
          else
            Display --indent 4 --text "- Checking consistency of /etc/group file" --result "${STATUS_WARNING}" --color RED
            LogText "Result: chkgrp found some errors. Run the tool manually to see details."
            LogText "chkgrp output: ${FIND}"
            ReportWarning ${TEST_NO} "chkgrp reported inconsistencies in /etc/group file"
        fi
    fi
#
#################################################################################
#
    # Test        : AUTH-9216
    # Description : Check /etc/group and shadow group files
    # Notes       : Run grpck to test group files (most likely /etc/group and shadow group files)
    if [ ! "${GRPCKBINARY}" = "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
    Register --test-no AUTH-9216 --preqs-met ${PREQS_MET} --weight L --network NO --root-only YES --category security --description "Check group and shadow group files"
    if [ ${SKIPTEST} -eq 0 ]; then
        LogText "Test: Checking for grpck binary output"

        case ${OS} in
            "AIX")  FIND=$(${GRPCKBINARY} -n ALL 2> /dev/null ; echo $?) ;;
            "Linux")
                if [ "${LINUX_VERSION}" = "SuSE" ]; then
                    FIND=$(${GRPCKBINARY} -q -r > /dev/null ; echo $?)
                else
                    FIND=$(${GRPCKBINARY} -r 2> /dev/null ; echo $?)
                fi
                ;;
            *)      FIND=$(${GRPCKBINARY} 2> /dev/null ; echo $?) ;;
        esac

        # Check exit-code
        if [ "${FIND}" = "0" ]; then
            Display --indent 2 --text "- Consistency of group files (grpck)" --result "${STATUS_OK}" --color GREEN
            LogText "Result: grpck binary didn't find any errors in the group files"
        else
            Display --indent 2 --text "- Consistency of group files (grpck)" --result "${STATUS_WARNING}" --color RED
            ReportWarning ${TEST_NO} "grpck binary found errors in one or more group files"
        fi
        unset FIND
    fi
#
#################################################################################
#
    # Test        : AUTH-9218
    # Description : Check login shells for passwordless accounts
    # Notes       : Results should be checked
    Register --test-no AUTH-9218 --os FreeBSD --weight L --network NO --category security --description "Check login shells for passwordless accounts"
    if [ ${SKIPTEST} -eq 0 ]; then
        FOUND=0
        LogText "Test: Checking login shells"
        if [ -f /etc/master.passwd ]; then
            # Check for all shells, except: (/usr)/sbin/nologin /nonexistent
            FIND=`${GREPBINARY} "[a-z]:\*:" /etc/master.passwd | ${EGREPBINARY} -v '^#|/sbin/nologin|/usr/sbin/nologin|/nonexistent' | sed 's/ /!space!/g'`
            if [ "${FIND}" = "" ]; then
                Display --indent 2 --text "- Login shells" --result "${STATUS_OK}" --color GREEN
            else
                Display --indent 2 --text "- Login shells" --result "${STATUS_WARNING}" --color RED
                for LINE in ${FIND}; do
                    LINE=$(echo ${LINE} | sed 's/!space!/ /g')
                    SHELL=$(echo ${LINE} | awk -F: '{ print $10 }')
                    LogText "Output: ${LINE}"
                    if [ -z "${SHELL}" ]; then
                        LogText "Result: found no shell on line"
                    else
                        LogText "Result: found possible harmful shell ${SHELL}"
                        if [ -f ${SHELL} ]; then
                            LogText "Result: shell ${SHELL} does exist"
                            FOUND=1
                        else
                            LogText "Result: shell ${SHELL} does not exist"
                            ReportSuggestion ${TEST_NO} "Determine if account is needed, as shell ${SHELL} does not exist"
                        fi
                    fi
                done
                if [ ${FOUND} -eq 1 ]; then
                    ReportWarning ${TEST_NO} "Possible harmful shell found (for passwordless account!)"
                fi
            fi
          else
            Display --indent 2 --text "- Login shells" --result "${STATUS_SKIPPED}" --color WHITE
            LogText "Result: No /etc/master.passwd file found"
        fi
        unset LINE SHELL
    fi
#
#################################################################################
#
    # Test        : AUTH-9222
    # Description : Check unique group IDs
    Register --test-no AUTH-9222 --weight L --network NO --category security --description "Check unique groups (IDs)"
    if [ ${SKIPTEST} -eq 0 ]; then
        LogText "Test: Checking for non unique group ID's in /etc/group"
        FIND=$(${GREPBINARY} -v '^#' /etc/group | ${GREPBINARY} -v '^$' | awk -F: '{ print $3 }' | sort | uniq -d)
        if [ "${FIND}" = "" ]; then
            Display --indent 2 --text "- Unique group IDs" --result "${STATUS_OK}" --color GREEN
            LogText "Result: All group ID's are unique"
        else
            Display --indent 2 --text "- Unique group IDs" --result "${STATUS_WARNING}" --color RED
            LogText "Result: Found the same group ID multiple times"
            LogText "Output: ${FIND}"
            ReportSuggestion ${TEST_NO} "Check your /etc/group file and correct any inconsistencies"
        fi
    fi
#
#################################################################################
#
    # Test        : AUTH-9226
    # Description : Check unique group names
    if [ -f /etc/group ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
    Register --test-no AUTH-9226 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Check unique group names"
    if [ ${SKIPTEST} -eq 0 ]; then
        LogText "Test: Checking for non unique group names in /etc/group"
        FIND=$(${GREPBINARY} -v '^#' /etc/group | grep -v '^$' | awk -F: '{ print $1 }' | sort | uniq -d)
        if [ -z "${FIND}" ]; then
            Display --indent 2 --text "- Unique group names" --result "${STATUS_OK}" --color GREEN
            LogText "Result: All group names are unique"
        else
            Display --indent 2 --text "- Unique group names" --result "${STATUS_WARNING}" --color WARNING
            LogText "Result: Found the same group name multiple times"
            LogText "Output: ${FIND}"
            ReportSuggestion ${TEST_NO} "Check your /etc/group file and correct any inconsistencies"
        fi
    fi
#
#################################################################################
#
    # Test        : AUTH-9228
    # Description : Check password file consistency with pwck
    # Notes       : Operating systems include Linux, Solaris
    if [ -x /usr/sbin/pwck ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
    Register --test-no AUTH-9228 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Check password file consistency with pwck"
    if [ ${SKIPTEST} -eq 0 ]; then
        LogText "Test: Checking password file consistency (pwck)"
        TESTED=0
        case ${OS} in
            "Linux")
                FIND=$(/usr/sbin/pwck -q -r 2> /dev/null; echo $?)
                TESTED=1
            ;;
            "Solaris")
                FIND=$(/usr/sbin/pwck 2> /dev/null; echo $?)
                TESTED=1
            ;;
            *)
                LogText "Dev: found /usr/sbin/pwck, but unsure how to call it on this operating system"
                ReportException "${TEST_NO}:1" "Found /usr/sbin/pwck, but unsure how to call it on this operating system"
            ;;
        esac
        # Only display if this test has been executed
        if [ ${TESTED} -eq 1 -a "${FIND}" = "0" ]; then
            Display --indent 2 --text "- Password file consistency" --result "${STATUS_OK}" --color GREEN
            LogText "Result: pwck check didn't find any problems"
            AddHP 2 2
        else
            Display --indent 2 --text "- Password file consistency" --result "${STATUS_SUGGESTION}" --color YELLOW
            LogText "Result: pwck found one or more errors/warnings in the password file."
            ReportSuggestion ${TEST_NO} "Run pwck manually and correct any errors in the password file"
            AddHP 0 2
        fi
    fi
#
#################################################################################
#
    # Test        : AUTH-9234
    # Description : Query user accounts
    # Notes       : AIX: 100+
    #               HPUX: 100+
    #               Mac OS X: needs to be improved (just reading passwd file is not enough)
    #               OpenBSD/NetBSD: unknown
    #               Arch Linux / CentOS / Ubuntu: 1000+
    Register --test-no AUTH-9234 --weight L --network NO --category security --description "Query user accounts"
    if [ ${SKIPTEST} -eq 0 ]; then
        LogText "Test: Read system users (including root user) from /etc/passwd"
        FIND=""

        case ${OS} in
            "AIX")
                LogText "AIX real users output (ID = 0, or 100+):"
                FIND=`awk -F: '($3 >= 100 && $3 != 65534) || ($3 == 0) { print $1","$3 }' /etc/passwd`
            ;;

            "FreeBSD")
                LogText "FreeBSD real users output (ID = 0, or 1000+, but not 65534):"
                FIND=`awk -F: '($3 >= 1000 && $3 != 65534) || ($3 == 0) { print $1","$3 }' /etc/passwd`
            ;;

            "Linux")
                UID_MIN=""
                if [ -f /etc/login.defs ]; then
                    UID_MIN=$(${GREPBINARY} "^UID_MIN" /etc/login.defs | awk '{print $2}')
                    LogText "Result: found minimal user id specified: ${UID_MIN}"
                fi
                if [ "${UID_MIN}" = "" ]; then UID_MIN="1000"; fi
                LogText "Linux real users output (ID = 0, or ${UID_MIN}+, but not 65534):"
                FIND=`awk -v UID_MIN="${UID_MIN}" -F: '($3 >= UID_MIN && $3 != 65534) || ($3 == 0) { print $1","$3 }' /etc/passwd`
            ;;

            "OpenBSD")
                LogText "OpenBSD real users output (ID = 0, or 1000-60000, but not 32767):"
                FIND=`awk -F: '($3 >= 1000 && $3 <= 60000 && $3 != 32767) || ($3 == 0) { print $1","$3 }' /etc/passwd`
            ;;

            "Solaris")
                LogText "Solaris real users output (ID =0, or 100+, but not 60001/65534):"
                FIND=`awk -F: '($3 >= 100 && $3 != 60001 && $3 != 65534) || ($3 == 0) { print $1","$3 }' /etc/passwd`
            ;;
            *)
                # Want to help improving Lynis? Determine what user IDs belong to normal user accounts
                ReportException "${TEST_NO}:1" "Can not determine user accounts"
            ;;
        esac

        # Check if we got any output
        if [ "${FIND}" = "" ]; then
            Display --indent 4 --text "Result: No users found/unknown result"
            LogText "Result: Querying of system users skipped"
            Display --indent 2 --text "- Query system users (non daemons)" --result "${STATUS_UNKNOWN}" --color YELLOW
          else
            Display --indent 2 --text "- Query system users (non daemons)" --result "${STATUS_DONE}" --color GREEN
            for I in ${FIND}; do
              LogText "Real user: ${I}"
              Report "real_user[]=${I}"
            done
        fi
    fi
#
#################################################################################
#
    # Test        : AUTH-9240
    # Description : Query NIS+ authentication support
    Register --test-no AUTH-9240 --weight L --network NO --category security --description "Query NIS+ authentication support"
    if [ ${SKIPTEST} -eq 0 ]; then
        if [ -f /etc/nsswitch.conf ]; then
            FIND=$(${EGREPBINARY} "^passwd" /etc/nsswitch.conf | egrep "compat|nisplus")
            if [ "${FIND}" = "" ]; then
                LogText "Result: NIS+ authentication not enabled"
                Display --indent 2 --text "- NIS+ authentication support" --result "NOT ENABLED" --color WHITE
              else
                FIND2=$(${EGREPBINARY} "^passwd_compat" /etc/nsswitch.conf | ${GREPBINARY} "nisplus")
                FIND3=$(${EGREPBINARY} "^passwd" /etc/nsswitch.conf | ${GREPBINARY} "nisplus")
                if [ ! "${FIND2}" = "" -o ! "${FIND3}" = "" ]; then
                    LogText "Result: NIS+ authentication enabled"
                    Display --indent 2 --text "- NIS+ authentication support" --result "${STATUS_ENABLED}" --color GREEN
                  else
                    LogText "Result: NIS+ authentication not enabled"
                    Display --indent 2 --text "- NIS+ authentication support" --result "NOT ENABLED" --color WHITE
                fi
            fi
          else
            LogText "Result: /etc/nsswitch.conf not found"
        fi
    fi
#
#################################################################################
#
    # Test        : AUTH-9242
    # Description : Query NIS authentication support
    Register --test-no AUTH-9242 --weight L --network NO --category security --description "Query NIS authentication support"
    if [ ${SKIPTEST} -eq 0 ]; then
        if [ -f /etc/nsswitch.conf ]; then
            FIND=$(${EGREPBINARY} "^passwd" /etc/nsswitch.conf | egrep "compat|nis" | grep -v "nisplus")
            if [ "${FIND}" = "" ]; then
                LogText "Result: NIS authentication not enabled"
                Display --indent 2 --text "- NIS authentication support" --result "NOT ENABLED" --color WHITE
              else
                FIND2=$(${EGREPBINARY} "^passwd_compat" /etc/nsswitch.conf | ${GREPBINARY} "nis" | ${GREPBINARY} -v "nisplus")
                FIND3=$(${EGREPBINARY} "^passwd" /etc/nsswitch.conf | ${GREPBINARY} "nis" | ${GREPBINARY} -v "nisplus")
                if [ ! "${FIND2}" = "" -o ! "${FIND3}" = "" ]; then
                    LogText "Result: NIS authentication enabled"
                    Display --indent 2 --text "- NIS authentication support" --result "${STATUS_ENABLED}" --color GREEN
                  else
                    LogText "Result: NIS authentication not enabled"
                    Display --indent 2 --text "- NIS authentication support" --result "NOT ENABLED" --color WHITE
                fi
            fi
          else
            LogText "Result: /etc/nsswitch.conf not found"
        fi
    fi
#
#################################################################################
#
    # Test        : AUTH-9250
    # Description : Check for sudoers file
    Register --test-no AUTH-9250 --weight L --network NO --category security --description "Checking sudoers file"
    if [ ${SKIPTEST} -eq 0 ]; then
        FOUND=0
        for I in ${SUDOERS_LOCATIONS}; do
            LogText "Test: checking presence ${I}"
            if [ -f ${I} ]; then
                FOUND=1
                SUDOERS_FILE="${I}"
                LogText "Result: found file (${SUDOERS_FILE})"
              else
                LogText "Result: file ${I} not found"
            fi
        done
        if [ ${FOUND} -eq 1 ]; then
            LogText "Result: sudoers file found (${SUDOERS_FILE})"
            Display --indent 2 --text "- sudoers file" --result "${STATUS_FOUND}" --color GREEN
          else
            LogText "Result: sudoers file NOT found"
            Display --indent 2 --text "- sudoers file" --result "${STATUS_NOT_FOUND}" --color YELLOW
        fi
    fi
#
#################################################################################
#
    # Test        : AUTH-9252
    # Description : Check for sudoers file permissions
    if [ ! "${SUDOERS_FILE}" = "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
    Register --test-no AUTH-9252 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Check sudoers file"
    if [ ${SKIPTEST} -eq 0 ]; then
        LogText "Test: checking sudoers file (${SUDOERS_FILE}) permissions"
        FIND=`ls -l ${SUDOERS_FILE} | cut -c 2-10`
        LogText "Result: Found file permissions: ${FIND}"
        if [ "${FIND}" = "rw-------" -o "${FIND}" = "rw-rw----" -o "${FIND}" = "r--r-----" ]; then
            LogText "Result: file ${SUDOERS_FILE} has correct permissions"
            Display --indent 4 --text "- Check sudoers file permissions" --result "${STATUS_OK}" --color GREEN
          else
            LogText "Result: file has possibly unsafe file permissions"
            Display --indent 4 --text "- Check sudoers file permissions" --result "${STATUS_WARNING}" --color RED
        fi
    fi
#
#################################################################################
#
    # Test        : AUTH-9254
    # Description : Solaris test to check passwordless accounts
    Register --test-no AUTH-9254 --os Solaris --weight L --network NO --root-only YES --category security --description "Solaris passwordless accounts"
    if [ ${SKIPTEST} -eq 0 ]; then
        FIND=$(logins -p | awk '{ print $1 }')
        if [ "${FIND}" = "" ]; then
            LogText "Result: no passwordless accounts found"
            Display --indent 2 --text "- Passwordless accounts on Solaris" --result "${STATUS_OK}" --color GREEN
        else
            for I in ${FIND}; do
                ReportWarning ${TEST_NO} "Found passwordless account (${I})"
            done
            Display --indent 2 --text "- Passwordless accounts on Solaris" --result "${STATUS_WARNING}" --color RED
        fi
    fi
#
#################################################################################
#
    # Test        : AUTH-9262
    # Description : Search for PAM password strength testing libraries
    Register --test-no AUTH-9262 --weight L --network NO --category security --description "Checking presence password strength testing tools (PAM)"
    if [ ${SKIPTEST} -eq 0 ]; then
        FOUND=0
        FOUND_CRACKLIB=0
        FOUND_PASSWDQC=0
        FOUND_PWQUALITY=0

        # Cracklib
        LogText "Searching PAM password testing modules (cracklib, passwdqc, pwquality)"
        for I in ${PAM_FILE_LOCATIONS}; do

            if [ -f ${I}/pam_cracklib.so ]; then
                FOUND_CRACKLIB=1
                FOUND=1
                LogText "Result: found pam_cracklib.so (crack library PAM) in ${I}"
            fi

            if [ -f ${I}/pam_passwdqc.so ]; then
                FOUND_PASSWDQC=1
                FOUND=1
                LogText "Result: found pam_passwdqc.so (passwd quality control PAM) in ${I}"
            fi

            if [ -f ${I}/pam_pwquality.so ]; then
                FOUND_PWQUALITY=1
                FOUND=1
                LogText "Result: found pam_pwquality.so (password quality control PAM) in ${I}"
            fi
        done

        # Cracklib
        if [ ${FOUND_CRACKLIB} -eq 1 ]; then
            LogText "Result: pam_cracklib.so found"
            Report "pam_cracklib=1"
          else
            LogText "Result: pam_cracklib.so NOT found (crack library PAM)"
        fi

        # Password quality control
        if [ ${FOUND_PASSWDQC} -eq 1 ]; then
            LogText "Result: pam_passwdqc.so found"
            Report "pam_passwdqc=1"
          else
            LogText "Result: pam_passwdqc.so NOT found (passwd quality control PAM)"
        fi

        # pwquality module
        if [ ${FOUND_PWQUALITY} -eq 1 ]; then
            LogText "Result: pam_pwquality.so found"
            Report "pam_pwquality=1"
          else
            LogText "Result: pam_pwquality.so NOT found (pwquality control PAM)"
        fi

        if [ ${FOUND} -eq 0 ]; then
            Display --indent 2 --text "- PAM password strength tools" --result "${STATUS_SUGGESTION}" --color YELLOW
            LogText "Result: no PAM modules for password strength testing found"
            ReportSuggestion ${TEST_NO} "Install a PAM module for password strength testing like pam_cracklib or pam_passwdqc"
            AddHP 0 3
          else
            Display --indent 2 --text "- PAM password strength tools" --result "${STATUS_OK}" --color GREEN
            LogText "Result: found at least one PAM module for password strength testing"
            AddHP 3 3
        fi
    fi
#
#################################################################################
#
    # Test        : AUTH-9264
    # Description : Scan /etc/pam.conf file
    Register --test-no AUTH-9264 --weight L --network NO --category security --description "Checking presence pam.conf"
    if [ ${SKIPTEST} -eq 0 ]; then
        LogText "Test: Checking file /etc/pam.conf"
        if [ -f /etc/pam.conf ]; then
            LogText "Result: file /etc/pam.conf exists"
            Display --indent 2 --text "- PAM configuration files (pam.conf)" --result "${STATUS_FOUND}" --color GREEN
            LogText "Test: searching PAM configuration files"
            FIND=$(${EGREPBINARY} -v "^#" /etc/pam.conf | ${EGREPBINARY} -v "^$" | sed 's/[[:space:]]/ /g' | sed 's/  / /g' | sed 's/ /:space:/g')
            if [ "${FIND}" = "" ]; then
                LogText "Result: File has no configuration options defined (empty, or only filled with comments and empty lines)"
            else
                LogText "Result: found one or more configuration lines"
                for LINE in ${FIND}; do
                    LINE=$(echo ${LINE} | sed 's/:space:/ /g')
                    LogText "Found line: ${LINE}"
                done
            fi
        else
            LogText "Result: file /etc/pam.conf could not be found"
            Display --indent 2 --text "- PAM configuration file (pam.conf)" --result "${STATUS_NOT_FOUND}" --color WHITE
        fi
    fi
#
#################################################################################
#
    # Test        : AUTH-9266
    # Description : Searching available PAM configurations (/etc/pam.d)
    Register --test-no AUTH-9266 --weight L --network NO --category security --description "Checking presence pam.d files"
    if [ ${SKIPTEST} -eq 0 ]; then
        LogText "Test: Checking directory /etc/pam.d"
        if [ -d /etc/pam.d ]; then
            LogText "Result: directory /etc/pam.d exists"
            Display --indent 2 --text "- PAM configuration files (pam.d)" --result "${STATUS_FOUND}" --color GREEN
            LogText "Test: searching PAM configuration files"
            FIND=$(find /etc/pam.d -type f -print | sort)
            for FILE in ${FIND}; do
                LogText "Found file: ${FILE}"
            done
          else
            LogText "Result: directory /etc/pam.d could not be found"
            Display --indent 2 --text "- PAM configuration files (pam.d)" --result "${STATUS_NOT_FOUND}" --color WHITE
        fi
    fi
#
#################################################################################
#
    # Test        : AUTH-9268
    # Description : Searching available PAM files
    # Notes       : PAM is used on AIX, FreeBSD, Linux, HPUX, Solaris
    if [ ${OS} = "AIX" -o ${OS} = "Linux" -o ${OS} = "HPUX" -o ${OS} = "Solaris" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
    Register --test-no AUTH-9268 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Checking presence pam.d files"
    if [ ${SKIPTEST} -eq 0 ]; then
        FOUND=0
        LogText "Test: Searching pam modules"
        for DIR in ${PAM_FILE_LOCATIONS}; do
            LogText "Test: Checking ${DIR}"
            if [ -d ${DIR} -a ! -L ${DIR} ]; then
                LogText "Result: directory ${DIR} exists"
                # Search in the specified directory
                FIND=`find ${DIR} -maxdepth 1 -type f -name "pam_*.so" -print | sort`
                if [ ! "${FIND}" = "" ]; then FOUND=1; fi
                for FILE in ${FIND}; do
                    LogText "Found file: ${FILE}"
                    Report "pam_module[]=${FILE}"
                done
            else
                LogText "Result: directory ${DIR} could not be found or is a symlink to another directory"
            fi
        done
        # Check if we found at least one module
        if [ ${FOUND} -eq 0 ]; then
            Display --indent 2 --text "- PAM modules" --result "${STATUS_NOT_FOUND}" --color WHITE
            LogText "Result: no PAM modules found"
        else
            Display --indent 2 --text "- PAM modules" --result "${STATUS_FOUND}" --color GREEN
        fi
        unset DIR; unset FILE; unset FIND
    fi
#
#################################################################################
#
    # Test        : AUTH-9278
    # Description : Search LDAP support in PAM files
    Register --test-no AUTH-9278 --weight L --network NO --category security --description "Checking LDAP pam status"
    if [ ${SKIPTEST} -eq 0 ]; then
        LogText "Test: checking presence /etc/pam.d/common-auth"
        if [ -f /etc/pam.d/common-auth ]; then
            LogText "Result: file /etc/pam.d/common-auth exists"
            LogText "Test: checking presence LDAP module"
            FIND=`grep "^auth.*ldap" /etc/pam.d/common-auth`
            if [ ! "${FIND}" = "" ]; then
                LogText "Result: LDAP module present"
                LogText "Output: ${FIND}"
                Display --indent 2 --text "- LDAP module in PAM" --result "${STATUS_FOUND}" --color GREEN
                LDAP_AUTH_ENABLED=1
                LDAP_PAM_ENABLED=1
              else
                LogText "Result: LDAP module not found"
                Display --indent 2 --text "- LDAP module in PAM" --result "${STATUS_NOT_FOUND}" --color WHITE
            fi
          else
            LogText "Result: file /etc/pam.d/common-auth not found, skipping test"
        fi
    fi
#
#################################################################################
#
    # Test        : AUTH-9282 and AUTH-9283
    # Note        : Every Linux based operating system seem to have different passwd
    #               options, so we have to check the version first.
    if [ "${OS}" = "Linux" ]; then
        if [ ${OS_REDHAT_OR_CLONE} -eq 0 ]; then
            case ${LINUX_VERSION} in
                "SuSE")
                    PREQS_MET="YES"
                    FIND=$(passwd -a -S 2> /dev/null | awk '{ if ($2=="P" && $5=="99999") print $1 }')
                    FIND2=$(passwd -a -S 2> /dev/null | awk '{ if ($2=="NP") print $1 }')
                    ;;
                *)
                    PREQS_MET="YES"
                    FIND=$(passwd --all --status 2> /dev/null | awk '{ if ($2=="P" && $5=="99999") print $1 }')
                    FIND2=$(passwd --all --status 2> /dev/null | awk '{ if ($2=="NP") print $1 }')
                    ;;
            esac
          else
            LogText "Result: skipping test for this Linux version"
            ReportManual "AUTH-9282:01"
            PREQS_MET="NO"
            FIND=""
            FIND2=""
        fi
     else
        PREQS_MET="NO"
    fi

    # Test        : AUTH-9282
    # Description : Search password protected accounts without expire (Linux)
    Register --test-no AUTH-9282 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Checking password protected account without expire date"
    if [ ${SKIPTEST} -eq 0 ]; then
        LogText "Test: Checking Linux version and password expire date status"
            if [ "${FIND}" = "" ]; then
                LogText "Result: all accounts seem to have an expire date"
                Display --indent 2 --text "- Accounts without expire date" --result "${STATUS_OK}" --color GREEN
              else
                LogText "Result: found one or more accounts with expire date set"
                for I in ${FIND}; do
                  LogText "Account without expire date: ${I}"
                done
                Display --indent 2 --text "- Accounts without expire date" --result "${STATUS_SUGGESTION}" --color YELLOW
                ReportSuggestion ${TEST_NO} "When possible set expire dates for all password protected accounts"
            fi
    fi
    # Test        : AUTH-9283
    # Description : Search passwordless accounts
    Register --test-no AUTH-9283 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Checking accounts without password"
    if [ ${SKIPTEST} -eq 0 ]; then
        LogText "Test: Checking passwordless accounts"
            if [ "${FIND2}" = "" ]; then
                LogText "Result: all accounts seem to have a password"
                Display --indent 2 --text "- Accounts without password" --result "${STATUS_OK}" --color GREEN
              else
                LogText "Result: found one or more accounts without password"
                for I in ${FIND2}; do
                    LogText "Account without password: ${I}"
                    Report "account_without_password=${I}"
                done
                Display --indent 2 --text "- Accounts without password" --result "${STATUS_WARNING}" --color RED
                ReportWarning ${TEST_NO} "Found accounts without password"
            fi
    fi
#
#################################################################################
#
    # Test        : AUTH-9286
    # Description : Check user password aging
    # Notes       : MIN = minimum age, avoid rotation of passwords too quickly
    #             : MAX = maximum age, ensure regular change of passwords
    if [ -f /etc/login.defs ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
    Register --test-no AUTH-9286 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Checking user password aging"
    if [ ${SKIPTEST} -eq 0 ]; then
        LogText "Test: Checking PASS_MIN_DAYS option in /etc/login.defs "
        FIND=$(${GREPBINARY} "^PASS_MIN_DAYS" /etc/login.defs | awk '{ if ($1=="PASS_MIN_DAYS") { print $2 } }')
        if [ "${FIND}" = "" -o "${FIND}" = "0" ]; then
            LogText "Result: password minimum age is not configured"
            Display --indent 2 --text "- Checking user password aging (minimum)" --result "${STATUS_DISABLED}" --color YELLOW
            ReportSuggestion ${TEST_NO} "Configure minimum password age in /etc/login.defs"
            AddHP 0 1
        else
            LogText "Result: password needs to be at least ${FIND} days old"
            PASSWORD_MINIMUM_DAYS=${FIND}
            Display --indent 2 --text "- User password aging (minimum)" --result CONFIGURED --color GREEN
            AddHP 3 3
        fi

        LogText "Test: Checking PASS_MAX_DAYS option in /etc/login.defs "
        FIND=$(${GREPBINARY} "^PASS_MAX_DAYS" /etc/login.defs | awk '{ if ($1=="PASS_MAX_DAYS") { print $2 } }')
        if [ "${FIND}" = "" -o "${FIND}" = "99999" ]; then
            LogText "Result: password aging limits are not configured"
            Display --indent 2 --text "- User password aging (maximum)" --result "${STATUS_DISABLED}" --color YELLOW
            ReportSuggestion ${TEST_NO} "Configure maximum password age in /etc/login.defs"
            AddHP 0 1
        else
            LogText "Result: max password age is ${FIND} days"
            PASSWORD_MAXIMUM_DAYS=${FIND}
            Display --indent 2 --text "- User password aging (maximum)" --result CONFIGURED --color GREEN
            AddHP 3 3
        fi
    fi
#
#################################################################################
#
    # Test        : AUTH-9288
    # Description : Determine which accounts have an expired password
    # Notes       : This test might not work (yet) on all platforms
    if [ -f /etc/shadow ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
    Register --test-no AUTH-9288 --preqs-met ${PREQS_MET} --weight L --network NO --root-only YES --category security --description "Checking for expired passwords"
    if [ ${SKIPTEST} -eq 0 ]; then
        if FileIsReadable /etc/shadow; then
            DAYS_SINCE_EPOCH=$((`date --utc +%s`/86400))
            LogText "Data: Days since epoch is ${DAYS_SINCE_EPOCH}"
            LogText "Test: collecting accounts which have an expired password (last day changed + maximum change time)"
            # Skip fields with a !, *, or x, or !* (field $3 is last changed, $5 is maximum changed)
            FIND=$(${EGREPBINARY} -v ":[\!\*x](\*)?:" /etc/shadow | awk -v today=${DAYS_SINCE_EPOCH} -F: '{ if (($5!="") && (today>$3+$5)) { print $1 }}')
            if [ ! "${FIND}" = "" ]; then
                for ACCOUNT in ${FIND}; do
                    LogText "Result: password of user ${ACCOUNT} has been expired"
                    Report "account_password_expired[]=${ACCOUNT}"
                done
                AddHP 0 10
                Display --indent 2 --text "- Checking expired passwords" --result "${STATUS_FOUND}" --color RED
                ReportSuggestion "${TEST_NO}" "Delete accounts which are no longer used"
            else
                LogText "Result: good, no passwords have been expired"
                Display --indent 2 --text "- Checking expired passwords" --result "${STATUS_OK}" --color GREEN
                AddHP 10 10
            fi
          else
            Display --indent 2 --text "- Checking expired passwords" --result "${STATUS_SKIPPED}" --color YELLOW
        fi
    fi
#
#################################################################################
#
    # Test        : AUTH-9304
    # Description : Check if single user mode login is properly configured in Solaris
    # Notes       : sulogin should be called from svm script (Solaris <10) in /etc/rcS.d
    Register --test-no AUTH-9304 --os Solaris --weight L --network NO --category security --description "Check single user login configuration"
    if [ ${SKIPTEST} -eq 0 ]; then
        # Check if file exists (Solaris 10 does not have this file by default)
        if [ -f /etc/default/sulogin ]; then
            LogText "Result: file /etc/default/sulogin exists"
            LogText "Test: checking presence PASSREQ=NO"
            FIND=$(${GREPBINARY} "^PASSREQ=NO" /etc/default/sulogin)
            if [ "${FIND}" = "" ]; then
                LogText "Result: option not present or configured to request a password at single user mode login"
                Display --indent 2 --text "- Checking Solaris /etc/default/sulogin file" --result "${STATUS_OK}" --color GREEN
                AddHP 1 1
            else
                LogText "Result: option present, no password needed at single user mode login"
                Display --indent 2 --text "- Checking Solaris /etc/default/sulogin file" --result "${STATUS_WARNING}" --color RED
                ReportWarning ${TEST_NO} "No password needed for single user mode login"
                AddHP 0 1
            fi
        else
            LogText "Result: file /etc/default/sulogin does not exist"
        fi
    fi
#
#################################################################################
#
    # Test        : AUTH-9306
    # Description : Check if authentication is needed to boot the system
    # Notes       : :d_boot_authenticate: is a good option for production machines to
    #               avoid unauthorized booting of systems. Option :d_boot_autentication@:
    #               disabled a required login.
    Register --test-no AUTH-9306 --os HP-UX --weight L --network NO --category security --description "Check single boot authentication"
    if [ ${SKIPTEST} -eq 0 ]; then
        # Check if file exists
        LogText "Test: Searching /tcb/files/auth/system/default"
        if [ -f /tcb/files/auth/system/default ]; then
            LogText "Result: file /tcb/files/auth/system/default exists"
            LogText "Test: checking presence :d_boot_authenticate@:"
            FIND=$(grep "^:d_boot_authenticate@" /tcb/files/auth/system/default)
            if [ -z "${FIND}" ]; then
                LogText "Result: option not set, password is needed at boot"
                Display --indent 2 --text "- Checking HP-UX boot authentication" --result "${STATUS_OK}" --color GREEN
                AddHP 1 1
            else
                LogText "Result: option present, no password needed at single user mode login"
                Display --indent 2 --text "- Checking HP-UX boot authentication" --result "${STATUS_SUGGESTION}" --color YELLOW
                ReportSuggestion ${TEST_NO} "Set password for system boot"
                AddHP 0 1
            fi
          else
            LogText "Result: file /tcb/files/auth/system/default does not exist"
        fi
    fi
#
#################################################################################
#
    # Test        : AUTH-9308
    # Description : Check single user mode login for Linux
    Register --test-no AUTH-9308 --os Linux --weight L --network NO --category security --description "Check single user login configuration"
    if [ ${SKIPTEST} -eq 0 ]; then
        FOUND=0
        TEST_PERFORMED=0

        if [ ${HAS_SYSTEMD} -eq 0 ]; then
            # Check inittab
            LogText "Test: Searching /etc/inittab"
            if [ -f /etc/inittab ]; then
                TEST_PERFORMED=1
                LogText "Result: file /etc/inittab exists"
                LogText "Test: checking presence sulogin for single user mode"
                FIND=$(${EGREPBINARY} "^~~:S:(respawn|wait):/sbin/sulogin" /etc/inittab)
                FIND2=$(${EGREPBINARY} "^su:S:(respawn|wait):/sbin/sulogin" /etc/inittab)
                if [ ! -z "${FIND}" -o ! -z "${FIND2}" ]; then
                    FOUND=1
                    LogText "Result: found sulogin, so single user is protected"
                fi
              else
                LogText "Result: file /etc/inittab does not exist"
            fi

            # Check init
            LogText "Test: Searching /etc/sysconfig/init"
            if [ -f /etc/sysconfig/init ]; then
                TEST_PERFORMED=1
                LogText "Result: file /etc/sysconfig/init exists"
                LogText "Test: checking presence sulogin for single user mode"
                FIND=`grep "^SINGLE=/sbin/sulogin" /etc/sysconfig/init`
                if [ ! "${FIND}" = "" ]; then
                    FOUND=1
                    LogText "Result: found sulogin, so single user is protected"
                fi
              else
                LogText "Result: file /etc/sysconfig/init does not exist"
            fi
        fi

        # Systemd support
        SYSTEMD_DIRECTORY="/lib/systemd/system"
        if [ -d ${SYSTEMD_DIRECTORY} ]; then
            FILES="console-shell.service emergency.service rescue.service"
            LogText "Test: going to check several systemd targets now"
            for I in ${FILES}; do
                FILE="${SYSTEMD_DIRECTORY}/${I}"
                LogText "Test: checking if target ${I} is available (${FILE})"
                if [ -f ${FILE} ]; then
                    # Mark test as performed only when at least 1 target exists (e.g. Ubuntu 14.04 has limited systemd support)
                    TEST_PERFORMED=1
                    LogText "Result: found target ${I}"
                    FIND=`egrep "^ExecStart=" ${FILE} | grep "/sulogin"`
                    if [ "${FIND}" = "" ]; then
                        LogText "Result: did not find sulogin specified, possible risk of getting into single user mode without authentication"
                      else
                        LogText "Result: sulogin was found, which is a good measure to protect single user mode"
                        FOUND=1
                    fi
                  else
                    LogText "Result: target ${I} not found"
                fi
            done
        fi

        if [ ${TEST_PERFORMED} -eq 1 ]; then
            if [ ${FOUND} -eq 0 ]; then
                LogText "Result: option not set, no password needed at single user mode boot"
                Display --indent 2 --text "- Checking Linux single user mode authentication" --result "${STATUS_WARNING}" --color RED
                ReportWarning ${TEST_NO} "No password set for single mode"
                ReportSuggestion ${TEST_NO} "Set password for single user mode to minimize physical access attack surface"
                AddHP 0 2
              else
                LogText "Result: option set, password is needed at single user mode boot"
                Display --indent 2 --text "- Checking Linux single user mode authentication" --result "${STATUS_OK}" --color GREEN
                AddHP 2 2
            fi
          else
             LogText "Result: no tests performed"
        fi
    fi
#
#################################################################################
#
    # Test        : AUTH-9328
    # Description : Check default umask in common files
    # Notes:        This test should be moved later to shells section
    # /etc/login.defs
    # pam_umask
    Register --test-no AUTH-9328 --weight L --network NO --category security --description "Default umask values"
    if [ ${SKIPTEST} -eq 0 ]; then
        Display --indent 2 --text "- Determining default umask"
        GOOD_UMASK=0
        WEAK_UMASK=0

        # /etc/profile.d
        LogText "Test: Checking /etc/profile.d directory"
        if [ -d /etc/profile.d ]; then
            FOUND=0
            FIND=$(ls /etc/profile.d/* 2> /dev/null)
            if [ ! -z "${FIND}" ]; then
                LogText "Result: found /etc/profile.d, with one or more files in it"
                for FILE in ${FIND}; do
                    HAS_MASK=$(grep umask ${FILE} | sed 's/^[ \t]*//' | grep -v "^#" | awk '{ print $2 }')
                    for MASK in ${HAS_MASK}; do
                        if [ "${MASK}" = "077" -o "${MASK}" = "027" ]; then
                            LogText "Result: found a strong umask '${MASK}' set in ${FILE}"
                            GOOD_UMASK=1
                        else
                            LogText "Result: found a weak umask '${MASK}' set in ${FILE}"
                            WEAK_UMASK=1
                        fi
                    done
                done
            else
                LogText "Result: found /etc/profile.d, but it does not contain any files"
            fi
        else
            LogText "Result: /etc/profile.d not found"
        fi

        # Test /etc/profile (only if we didn't find a good umask in profile.d)
        LogText "Test: Checking /etc/profile"
        if [ -f /etc/profile -a ${GOOD_UMASK} -eq 0 ]; then
            LogText "Result: file /etc/profile exists"
            LogText "Test: Checking umask value in /etc/profile"
            FIND=$(grep "umask" /etc/profile | sed 's/^[ \t]*//' | grep -v "^#" | awk '{ print $2 }')
            FIND2=$(grep "umask" /etc/profile | sed 's/^[ \t]*//' | grep -v "^#" | awk '{ print $2 }' | wc -l)
            FOUND_UMASK=0
            if [ "${FIND2}" = "0" ]; then
                LogText "Result: did not find umask in /etc/profile"
            elif [ "${FIND2}" = "1" ]; then
                LogText "Result: found umask (prefixed with spaces)"
                FOUND_UMASK=1
                if [ ! "${FIND}" = "077" -a ! "${FIND}" = "027" ]; then
                    LogText "Result: found umask ${FIND}, which could be more strict"
                    WEAK_UMASK=1
                else
                    LogText "Result: found umask ${FIND}, which is fine"
                    GOOD_UMASK=1
                fi
              # Found more than 1 umask value in profile
            else
                LogText "Result: found multiple umask values configured in /etc/profile"
                FOUND_UMASK=1
                for I in ${FIND}; do
                    if [ ! "${I}" = "077" -a ! "${I}" = "027" ]; then
                        LogText "Result: umask ${I} could be more strict"
                        WEAK_UMASK=1
                        AddHP 1 2
                    else
                        LogText "Result: Found umask ${I}, which is fine"
                        AddHP 2 2
                    fi
                done
            fi

            if [ ${FOUND_UMASK} -eq 1 ]; then
                if [ ${WEAK_UMASK} -eq 0 ]; then
                    Display --indent 4 --text "- umask (/etc/profile and /etc/profile.d)" --result "${STATUS_OK}" --color GREEN
                    AddHP 2 2
                elif [ ${GOOD_UMASK} -eq 1 -a ${WEAK_UMASK} -eq 1 ]; then
                    Display --indent 4 --text "- umask (/etc/profile and /etc/profile.d)" --result "${STATUS_SUGGESTION}" --color YELLOW
                    ReportSuggestion ${TEST_NO} "Some umasks found could be more strict (e.g. 027)"
                    AddHP 1 2
                else
                    Display --indent 4 --text "- umask (/etc/profile and /etc/profile.d)" --result "${STATUS_SUGGESTION}" --color YELLOW
                    ReportSuggestion ${TEST_NO} "Default umask in /etc/profile or /etc/profile.d/custom.sh could be more strict (e.g. 027)"
                    AddHP 0 2
                fi
              else
                # Some operating systems don't have a default umask defined in /etc/profile (Debian)
                LogText "Result: found no umask. Please check if this is correct"
                Display --indent 4 --text "- umask (/etc/profile)" --result "${STATUS_NOT_FOUND}" --color YELLOW
            fi
          else
            LogText "Result: file /etc/profile does not exist"
        fi

        # /etc/passwd
        LogText "Test: Checking umask entries in /etc/passwd (pam_umask)"
        if [ -f /etc/passwd ]; then
            LogText "Result: file /etc/passwd exists"
            LogText "Test: Checking umask value in /etc/passwd"
            FIND=`grep "umask=" /etc/passwd`
            if [ "${FIND}" = "" ]; then
                ReportManual "AUTH-9328:03"
            fi
          else
            LogText "Result: file /etc/passwd does not exist"
        fi

        # /etc/login.defs
        LogText "Test: Checking /etc/login.defs"
        if [ -f /etc/login.defs ]; then
            LogText "Result: file /etc/login.defs exists"
            LogText "Test: Checking umask value in /etc/login.defs"
            FIND=`grep "^UMASK" /etc/login.defs | awk '{ print $2 }'`
            if [ "${FIND}" = "" ]; then
                LogText "Result: umask value is not configured (most likely it will have the default 022 value)"
                Display --indent 4 --text "- umask (/etc/login.defs)" --result "${STATUS_SUGGESTION}" --color YELLOW
                ReportSuggestion ${TEST_NO} "Default umask in /etc/login.defs could not be found and defaults usually to 022, which could be more strict like 027"
                AddHP 1 2
            elif [ "${FIND}" = "077" -o "${FIND}" = "027" ]; then
                LogText "Result: umask is ${FIND}, which is fine"
                Display --indent 4 --text "- umask (/etc/login.defs)" --result "${STATUS_OK}" --color GREEN
                AddHP 2 2
            else
                LogText "Result: found umask ${FIND}, which could be improved"
                Display --indent 4 --text "- umask (/etc/login.defs)" --result "${STATUS_SUGGESTION}" --color YELLOW
                ReportSuggestion ${TEST_NO} "Default umask in /etc/login.defs could be more strict like 027"
                AddHP 0 2
            fi
        else
            LogText "Result: file /etc/login.defs does not exist"
        fi

        # Red Hat /etc/init.d/functions
        LogText "Test: Checking /etc/init.d/functions"
        if [ -f /etc/init.d/functions ]; then
            LogText "Result: file /etc/init.d/functions exists"
            LogText "Test: Checking umask value in /etc/init.d/functions"
            FIND=`grep "^umask" /etc/init.d/functions | awk '{ print $2 }'`
            if [ "${FIND}" = "" ]; then
                LogText "Result: umask is not configured"
                Display --indent 4 --text "- umask (/etc/init.d/functions)" --result "${STATUS_NONE}" --color WHITE
            elif [ "${FIND}" = "077" -o "${FIND}" = "027" ]; then
                LogText "Result: umask is ${FIND}, which is fine"
                Display --indent 4 --text "- umask (/etc/init.d/functions)" --result "${STATUS_OK}" --color GREEN
                AddHP 2 2
              else
                LogText "Result: found umask ${FIND}, which could be improved"
                Display --indent 4 --text "- umask (/etc/init.d/functions)" --result "${STATUS_SUGGESTION}" --color YELLOW
                AddHP 0 2
            fi
          else
            LogText "Result: file /etc/init.d/functions does not exist"
        fi

        # /etc/init.d/rc
        LogText "Test: Checking /etc/init.d/rc"
        if [ -f /etc/init.d/rc ]; then
            LogText "Result: file /etc/init.d/rc exists"
            LogText "Test: Checking UMASK value in /etc/init.d/rc"
            FIND=`grep -i "^UMASK" /etc/init.d/rc | awk '{ print $2 }'`
            if [ "${FIND}" = "" ]; then
                LogText "Result: UMASK value is not configured (most likely it will have the default 022 value)"
                Display --indent 4 --text "- Checking umask (/etc/init.d/rc)" --result "${STATUS_SUGGESTION}" --color YELLOW
                ReportSuggestion ${TEST_NO} "Default umask in /etc/init.d/rc could not be found and defaults usually to 022, which could be more strict like 027"
                AddHP 1 2
            elif [ "${FIND}" = "077" -o "${FIND}" = "027" ]; then
                LogText "Result: umask is ${FIND}, which is fine"
                Display --indent 4 --text "- umask (/etc/init.d/rc)" --result "${STATUS_OK}" --color GREEN
                AddHP 2 2
              else
                LogText "Result: found umask ${FIND}, which could be improved"
                Display --indent 4 --text "- umask (/etc/init.d/rc)" --result "${STATUS_SUGGESTION}" --color YELLOW
                ReportSuggestion ${TEST_NO} "Default umask in /etc/init.d/rc could be more strict like 027"
                AddHP 0 2
            fi
          else
            LogText "Result: file /etc/init.d/rc does not exist"
        fi

        # FreeBSD
        if [ -f /etc/login.conf ]; then
            FOUND=0
            WEAK_UMASK=0
            LogText "Result: file /etc/login.conf exists"
            FIND=`grep "umask" /etc/login.conf | sed 's/#.*//' | sed -E 's/^[[:cntrl:]]//' | grep -v '^$' | awk -F: '{ print $2}' | awk -F= '{ if ($1=="umask") { print $2 }}'`
            if [ ! "${FIND}" = "" ]; then
                for UMASK_VALUE in ${FIND}; do
                    case ${UMASK_VALUE} in
                        027|0027|077|0077)
                            LogText "Result: found umask value ${UMASK_VALUE}, which is fine"
                            AddHP 2 2
                            FOUND=1
                        ;;
                        *)
                            AddHP 0 2
                            FOUND=1
                            WEAK_UMASK=1
                            LogText "Result: found umask value ${UMASK_VALUE}, which can be more strict"
                        ;;
                    esac
                done
            fi
            if [ ${FOUND} -eq 1 ]; then
                if [ ${WEAK_UMASK} -eq 0 ]; then
                    Display --indent 4 --text "- umask (/etc/login.conf)" --result "${STATUS_OK}" --color GREEN
                  else
                    Display --indent 4 --text "- umask (/etc/login.conf)" --result WEAK --color YELLOW
                    ReportSuggestion ${TEST_NO} "Umask in /etc/login.conf could be more strict like 027"
                fi
              else
                LogText "Result: no umask setting found in /etc/login.conf, which is unexpected"
                Display --indent 4 --text "- umask (/etc/login.conf)" --result "${STATUS_NONE}" --color YELLOW
            fi
        fi

        # /etc/init.d/rcS
        LogText "Test: Checking /etc/init.d/rcS"
        if [ -f /etc/init.d/rcS ]; then
            LogText "Result: file /etc/init.d/rcS exists"
            LogText "Test: Checking if script runs another script."
            FIND=`grep -i "^exec " /etc/init.d/rcS | awk '{ print $2 }'`
            if [ "${FIND}" = "" ]; then
                FIND2=`grep -i "^UMASK" /etc/init.d/rcS | awk '{ print $2 }'`
                if [ "${FIND2}" = "" ]; then
                    LogText "Result: UMASK value is not configured (most likely it will have the default 022 value)"
                    Display --indent 4 --text "- Checking umask (/etc/init.d/rcS)" --result "${STATUS_SUGGESTION}" --color YELLOW
                    ReportSuggestion ${TEST_NO} "Default umask in /etc/init.d/rcS could not be found and defaults usually to 022, which could be more strict like 027"
                    AddHP 1 2
                  elif [ "${FIND2}" = "077" -o "${FIND2}" = "027" ]; then
                    LogText "Result: umask is ${FIND2}, which is fine"
                    Display --indent 4 --text "- umask (/etc/init.d/rcS)" --result "${STATUS_OK}" --color GREEN
                    AddHP 2 2
                  else
                    LogText "Result: found umask ${FIND2}, which could be improved"
                    Display --indent 4 --text "- umask (/etc/init.d/rcS)" --result "${STATUS_SUGGESTION}" --color YELLOW
                    ReportSuggestion ${TEST_NO} "Default umask in /etc/init.d/rcS could be more strict like 027"
                    AddHP 0 2
                fi
              else
                # Improve check
                LogText "Result: exec line present in file, setting of umask not needed in this script"
                LogText "Output: ${FIND}"
            fi
          else
            LogText "Result: file /etc/init.d/rcS does not exist"
        fi

    fi
#
#################################################################################
#
    # Test        : AUTH-9340
    # Description : Solaris account locking
    Register --test-no AUTH-9340 --os Solaris --weight L --network NO --category security --description "Solaris account locking"
    if [ ${SKIPTEST} -eq 0 ]; then
        FOUND=0
        if [ -f /etc/security/policy.conf ]; then
            LogText "Result: found /etc/security/policy.conf"
            FIND=`grep "^LOCK_AFTER_RETRIES" /etc/security/policy.conf`
            if [ ! "${FIND}" = "" ]; then
                FOUND=1
                LogText "Result: account locking option set"
                LogText "Output: ${FIND}"
                AddHP 2 2
              else
                LogText "Result: option LOCK_AFTER_RETRIES not set"
                AddHP 1 2
            fi
          else
            LogText "Result: /etc/security/policy.conf does not exist"
        fi
        # If policy.conf does not exist, we most likely deal with a Solaris version below 10
        # and we proceed with checking the softer option RETRIES in /etc/default/login
        # which does not lock account, but discourages brute force password attacks.
        if [ ${FOUND} -eq 0 ]; then
            LogText "Test: checking /etc/default/login"
            if [ -f /etc/default/login ]; then
                LogText "Result: file /etc/default/login exists"
                FIND=`grep "^RETRIES" /etc/default/login`
                if [ ! "${FIND}" = "" ]; then
                    FOUND=1
                    LogText "Result: retries option configured"
                    LogText "Output: ${FIND}"
                    AddHP 2 2
                  else
                    LogText "Result: retries option not configured"
                    AddHP 1 2
                fi
              else
                LogText "Result: file /etc/default/login does not exist"
            fi
        fi
        if [ ${FOUND} -eq 1 ]; then
            Display --indent 2 --text "- Checking account locking" --result "${STATUS_ENABLED}" --color GREEN
          else
            Display --indent 2 --text "- Checking account locking" --result "NOT ENABLED" --color YELLOW
        fi
    fi
#
#################################################################################
#
    # Test        : AUTH-9402
    # Description : Query LDAP authentication support
    Register --test-no AUTH-9402 --weight L --network NO --category security --description "Query LDAP authentication support"
    if [ ${SKIPTEST} -eq 0 ]; then
        if [ -f /etc/nsswitch.conf ]; then
            FIND=$(egrep "^passwd" /etc/nsswitch.conf | grep "ldap")
            if [ "${FIND}" = "" ]; then
                LogText "Result: LDAP authentication not enabled"
                Display --indent 2 --text "- LDAP authentication support" --result "NOT ENABLED" --color WHITE
            else
                LogText "Result: LDAP authentication enabled"
                Display --indent 2 --text "- LDAP authentication support" --result "${STATUS_ENABLED}" --color GREEN
                LDAP_AUTH_ENABLED=1
            fi
        else
            LogText "Result: /etc/nsswitch.conf not found"
        fi
    fi
#
#################################################################################
#
    # Test        : AUTH-9406
    # Description : Check LDAP servers in client configuration
    if [ ${LDAP_AUTH_ENABLED} -eq 1 ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
    Register --test-no AUTH-9406 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Query LDAP servers in client configuration"
    if [ ${SKIPTEST} -eq 0 ]; then
        LogText "Test: checking ldap.conf options"
        for FILE in ${LDAP_CONF_LOCATIONS}; do
            LogText "Test: checking ${FILE}"
            if [ -f ${FILE} ]; then
                LogText "Result: file ${FILE} exists, LDAP being used"
                LDAP_CLIENT_CONFIG_FILE="${FILE}"
                LogText "Test: checking LDAP servers in file ${FILE}"
                FIND=$(egrep "^host " ${FILE} | awk '{ print $2 }')
                for SERVER in ${FIND}; do
                    Display --indent 6 --text "LDAP server: ${SERVER}"
                    LogText "Result: found LDAP server ${SERVER}"
                    Report "ldap_server[]=${SERVER}"
                done
            else
                LogText "Result: ${FILE} does NOT exist"
            fi
        done
        unset FILE FIND SERVER
    fi
#
#################################################################################
#
    # Test        : AUTH-9408
    # Description : Logging of failed login attempts
    if [ -f /etc/login.defs ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
    Register --test-no AUTH-9408 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Logging of failed login attempts via /etc/login.defs"
    if [ ${SKIPTEST} -eq 0 ]; then
        LogText "Test: Checking FAILLOG_ENAB option in /etc/login.defs "
        FIND=`grep "^FAILLOG_ENAB" /etc/login.defs | awk '{ if ($1=="FAILLOG_ENAB") { print $2 } }'`
        # Search for enabled status (yes), otherwise consider it to be disabled (e.g. empty, or other value)
        if [ "${FIND}" = "yes" ]; then
            AUTH_FAILED_LOGINS_LOGGED=1
            LogText "Result: failed login attempts are logged in /var/log/faillog"
            Display --indent 2 --text "- Logging failed login attempts" --result "${STATUS_ENABLED}" --color GREEN
            AddHP 3 3
          else
            LogText "Result: failed login attempts are not logged"
            Display --indent 2 --text "- Logging failed login attempts" --result "${STATUS_DISABLED}" --color YELLOW
            #ReportSuggestion ${TEST_NO} "Configure failed login attempts to be logged in /var/log/faillog"
            AddHP 0 1
        fi
    fi
#
#################################################################################
#

Report "auth_failed_logins_logged=${AUTH_FAILED_LOGINS_LOGGED}"
Report "ldap_auth_enabled=${LDAP_AUTH_ENABLED}"
Report "ldap_pam_enabled=${LDAP_PAM_ENABLED}"
if [ ! "${LDAP_CLIENT_CONFIG_FILE}" = "" ]; then
    Report "ldap_config_file=${LDAP_CLIENT_CONFIG_FILE}"
fi
Report "password_min_days=${PASSWORD_MINIMUM_DAYS}"
Report "password_max_days=${PASSWORD_MAXIMUM_DAYS}"

WaitForKeyPress

#
#================================================================================
# Lynis - Security Auditing and System Hardening for Linux and UNIX - https://cisofy.com