ADD(6.1.3, 6.1.6-9): add new checks

Renamed some checks, add new checks that check permissions and ownership on /etc/passwd, /etc/shadow, ...
Add new function in utils that checks that check that the file ownership is one of the authrized ownership.

	renamed:    bin/hardening/6.1.5_etc_passwd_permissions.sh -> bin/hardening/6.1.2_etc_passwd_permissions.sh
	new file:   bin/hardening/6.1.3_etc_gshadow-_permissions.sh
	renamed:    bin/hardening/6.1.6_etc_shadow_permissions.sh -> bin/hardening/6.1.4_etc_shadow_permissions.sh
	renamed:    bin/hardening/6.1.7_etc_group_permissions.sh -> bin/hardening/6.1.5_etc_group_permissions.sh
	new file:   bin/hardening/6.1.6_etc_passwd-_permissions.sh
	new file:   bin/hardening/6.1.7_etc_shadow-_permissions.sh
	new file:   bin/hardening/6.1.8_etc_group-_permissions.sh
	new file:   bin/hardening/6.1.9_etc_gshadow_permissions.sh
	modified:   lib/utils.sh
	renamed:    tests/hardening/6.1.5_etc_passwd_permissions.sh -> tests/hardening/6.1.2_etc_passwd_permissions.sh
	new file:   tests/hardening/6.1.3_etc_gshadow-_permissions.sh
	renamed:    tests/hardening/6.1.6_etc_shadow_permissions.sh -> tests/hardening/6.1.4_etc_shadow_permissions.sh
	renamed:    tests/hardening/6.1.7_etc_group_permissions.sh -> tests/hardening/6.1.5_etc_group_permissions.sh
	new file:   tests/hardening/6.1.6_etc_passwd-_permissions.sh
	new file:   tests/hardening/6.1.7_etc_shadow-_permissions.sh
	new file:   tests/hardening/6.1.8_etc_group-_permissions.sh
	new file:   tests/hardening/6.1.9_etc_gshadow_permissions.sh

bin/hardening/6.1.3_etc_gshadow-_permissions.sh

@@ -0,0 +1,83 @@
+#!/bin/bash
+
+# run-shellcheck
+#
+# CIS Debian Hardening
+#
+
+#
+# 6.1.3 Ensure permissions on /etc/gshadow- are configured (Scored)
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+# shellcheck disable=2034
+HARDENING_LEVEL=1
+# shellcheck disable=2034
+DESCRIPTION="Check 640 permissions and root:root ownership on /etc/gshadow-"
+
+FILE='/etc/gshadow-'
+PERMISSIONS='640'
+USER='root'
+GROUP='root'
+GROUPSOK='root shadow'
+
+# This function will be called if the script status is on enabled / audit mode
+audit() {
+    has_file_correct_permissions "$FILE" "$PERMISSIONS"
+    if [ "$FNRET" = 0 ]; then
+        ok "$FILE has correct permissions"
+    else
+        crit "$FILE permissions were not set to $PERMISSIONS"
+    fi
+    has_file_one_of_ownership "$FILE" "$USER" "$GROUPSOK"
+    if [ "$FNRET" = 0 ]; then
+        ok "$FILE has correct ownership"
+    else
+        crit "$FILE ownership was not set to $USER:$GROUPSOK"
+    fi
+}
+
+# This function will be called if the script status is on enabled mode
+apply() {
+    has_file_correct_permissions "$FILE" "$PERMISSIONS"
+    if [ "$FNRET" = 0 ]; then
+        ok "$FILE has correct permissions"
+    else
+        info "fixing $FILE permissions to $PERMISSIONS"
+        chmod 0"$PERMISSIONS" "$FILE"
+    fi
+    has_file_one_of_ownership "$FILE" "$USER" "$GROUPSOK"
+    if [ "$FNRET" = 0 ]; then
+        ok "$FILE has correct ownership"
+    else
+        info "fixing $FILE ownership to $USER:$GROUP"
+        chown "$USER":"$GROUP" "$FILE"
+    fi
+}
+
+# This function will check config parameters required
+check_config() {
+    :
+}
+
+# Source Root Dir Parameter
+if [ -r /etc/default/cis-hardening ]; then
+    # shellcheck source=../../debian/default
+    . /etc/default/cis-hardening
+fi
+if [ -z "$CIS_ROOT_DIR" ]; then
+    echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
+    echo "Cannot source CIS_ROOT_DIR variable, aborting."
+    exit 128
+fi
+
+# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
+if [ -r "$CIS_ROOT_DIR"/lib/main.sh ]; then
+    # shellcheck source=../../lib/main.sh
+    . "$CIS_ROOT_DIR"/lib/main.sh
+else
+    echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_ROOT_DIR in /etc/default/cis-hardening"
+    exit 128
+fi

bin/hardening/6.1.4_etc_shadow_permissions.sh

@@ -6,7 +6,7 @@
 #
 
 #
-# 6.1.3 Ensure permissions on /etc/shadow are configured (Scored)
+# 6.1.4 Ensure permissions on /etc/shadow are configured (Scored)
 #
 
 set -e # One error, it's over
@@ -15,7 +15,7 @@ set -u # One variable unset, it's over
 # shellcheck disable=2034
 HARDENING_LEVEL=1
 # shellcheck disable=2034
-DESCRIPTION="Check 644 permissions and root:root ownership on /etc/shadow"
+DESCRIPTION="Check 640 permissions and root:root ownership on /etc/shadow"
 
 FILE='/etc/shadow'
 PERMISSIONS='640'

bin/hardening/6.1.5_etc_group_permissions.sh

@@ -6,7 +6,7 @@
 #
 
 #
-# 6.1.4 Ensure permissions on /etc/group are configured (Scored)
+# 6.1.5 Ensure permissions on /etc/group are configured (Scored)
 #
 
 set -e # One error, it's over

bin/hardening/6.1.6_etc_passwd-_permissions.sh

@@ -0,0 +1,82 @@
+#!/bin/bash
+
+# run-shellcheck
+#
+# CIS Debian Hardening
+#
+
+#
+# 6.1.6 Ensure permissions on /etc/passwd- are configured (Scored)
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+# shellcheck disable=2034
+HARDENING_LEVEL=1
+# shellcheck disable=2034
+DESCRIPTION="Check 600 permissions and root:root ownership on /etc/passwd-"
+
+FILE='/etc/passwd-'
+PERMISSIONS='600'
+USER='root'
+GROUP='root'
+
+# This function will be called if the script status is on enabled / audit mode
+audit() {
+    has_file_correct_permissions "$FILE" "$PERMISSIONS"
+    if [ "$FNRET" = 0 ]; then
+        ok "$FILE has correct permissions"
+    else
+        crit "$FILE permissions were not set to $PERMISSIONS"
+    fi
+    has_file_correct_ownership "$FILE" "$USER" "$GROUP"
+    if [ "$FNRET" = 0 ]; then
+        ok "$FILE has correct ownership"
+    else
+        crit "$FILE ownership was not set to $USER:$GROUP"
+    fi
+}
+
+# This function will be called if the script status is on enabled mode
+apply() {
+    has_file_correct_permissions "$FILE" "$PERMISSIONS"
+    if [ "$FNRET" = 0 ]; then
+        ok "$FILE has correct permissions"
+    else
+        info "fixing $FILE permissions to $PERMISSIONS"
+        chmod 0"$PERMISSIONS" "$FILE"
+    fi
+    has_file_correct_ownership "$FILE" "$USER" "$GROUP"
+    if [ "$FNRET" = 0 ]; then
+        ok "$FILE has correct ownership"
+    else
+        info "fixing $FILE ownership to $USER:$GROUP"
+        chown "$USER":"$GROUP" "$FILE"
+    fi
+}
+
+# This function will check config parameters required
+check_config() {
+    :
+}
+
+# Source Root Dir Parameter
+if [ -r /etc/default/cis-hardening ]; then
+    # shellcheck source=../../debian/default
+    . /etc/default/cis-hardening
+fi
+if [ -z "$CIS_ROOT_DIR" ]; then
+    echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
+    echo "Cannot source CIS_ROOT_DIR variable, aborting."
+    exit 128
+fi
+
+# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
+if [ -r "$CIS_ROOT_DIR"/lib/main.sh ]; then
+    # shellcheck source=../../lib/main.sh
+    . "$CIS_ROOT_DIR"/lib/main.sh
+else
+    echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_ROOT_DIR in /etc/default/cis-hardening"
+    exit 128
+fi

bin/hardening/6.1.7_etc_shadow-_permissions.sh

@@ -0,0 +1,82 @@
+#!/bin/bash
+
+# run-shellcheck
+#
+# CIS Debian Hardening
+#
+
+#
+# 6.1.7 Ensure permissions on /etc/shadow- are configured (Scored)
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+# shellcheck disable=2034
+HARDENING_LEVEL=1
+# shellcheck disable=2034
+DESCRIPTION="Check 600 permissions and root:shadow ownership on /etc/shadow-"
+
+FILE='/etc/shadow-'
+PERMISSIONS='600'
+USER='root'
+GROUP='shadow'
+
+# This function will be called if the script status is on enabled / audit mode
+audit() {
+    has_file_correct_permissions "$FILE" "$PERMISSIONS"
+    if [ "$FNRET" = 0 ]; then
+        ok "$FILE has correct permissions"
+    else
+        crit "$FILE permissions were not set to $PERMISSIONS"
+    fi
+    has_file_correct_ownership "$FILE" "$USER" "$GROUP"
+    if [ "$FNRET" = 0 ]; then
+        ok "$FILE has correct ownership"
+    else
+        crit "$FILE ownership was not set to $USER:$GROUP"
+    fi
+}
+
+# This function will be called if the script status is on enabled mode
+apply() {
+    has_file_correct_permissions "$FILE" "$PERMISSIONS"
+    if [ "$FNRET" = 0 ]; then
+        ok "$FILE has correct permissions"
+    else
+        info "fixing $FILE permissions to $PERMISSIONS"
+        chmod 0"$PERMISSIONS" "$FILE"
+    fi
+    has_file_correct_ownership "$FILE" "$USER" "$GROUP"
+    if [ "$FNRET" = 0 ]; then
+        ok "$FILE has correct ownership"
+    else
+        info "fixing $FILE ownership to $USER:$GROUP"
+        chown "$USER":"$GROUP" "$FILE"
+    fi
+}
+
+# This function will check config parameters required
+check_config() {
+    :
+}
+
+# Source Root Dir Parameter
+if [ -r /etc/default/cis-hardening ]; then
+    # shellcheck source=../../debian/default
+    . /etc/default/cis-hardening
+fi
+if [ -z "$CIS_ROOT_DIR" ]; then
+    echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
+    echo "Cannot source CIS_ROOT_DIR variable, aborting."
+    exit 128
+fi
+
+# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
+if [ -r "$CIS_ROOT_DIR"/lib/main.sh ]; then
+    # shellcheck source=../../lib/main.sh
+    . "$CIS_ROOT_DIR"/lib/main.sh
+else
+    echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_ROOT_DIR in /etc/default/cis-hardening"
+    exit 128
+fi

bin/hardening/6.1.8_etc_group-_permissions.sh

@@ -0,0 +1,82 @@
+#!/bin/bash
+
+# run-shellcheck
+#
+# CIS Debian Hardening
+#
+
+#
+# 6.1.2 Ensure permissions on /etc/group- are configured (Scored)
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+# shellcheck disable=2034
+HARDENING_LEVEL=1
+# shellcheck disable=2034
+DESCRIPTION="Check 600 permissions and root:root ownership on /etc/group-"
+
+FILE='/etc/group-'
+PERMISSIONS='600'
+USER='root'
+GROUP='root'
+
+# This function will be called if the script status is on enabled / audit mode
+audit() {
+    has_file_correct_permissions "$FILE" "$PERMISSIONS"
+    if [ "$FNRET" = 0 ]; then
+        ok "$FILE has correct permissions"
+    else
+        crit "$FILE permissions were not set to $PERMISSIONS"
+    fi
+    has_file_correct_ownership "$FILE" "$USER" "$GROUP"
+    if [ "$FNRET" = 0 ]; then
+        ok "$FILE has correct ownership"
+    else
+        crit "$FILE ownership was not set to $USER:$GROUP"
+    fi
+}
+
+# This function will be called if the script status is on enabled mode
+apply() {
+    has_file_correct_permissions "$FILE" "$PERMISSIONS"
+    if [ "$FNRET" = 0 ]; then
+        ok "$FILE has correct permissions"
+    else
+        info "fixing $FILE permissions to $PERMISSIONS"
+        chmod 0"$PERMISSIONS" "$FILE"
+    fi
+    has_file_correct_ownership "$FILE" "$USER" "$GROUP"
+    if [ "$FNRET" = 0 ]; then
+        ok "$FILE has correct ownership"
+    else
+        info "fixing $FILE ownership to $USER:$GROUP"
+        chown "$USER":"$GROUP" "$FILE"
+    fi
+}
+
+# This function will check config parameters required
+check_config() {
+    :
+}
+
+# Source Root Dir Parameter
+if [ -r /etc/default/cis-hardening ]; then
+    # shellcheck source=../../debian/default
+    . /etc/default/cis-hardening
+fi
+if [ -z "$CIS_ROOT_DIR" ]; then
+    echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
+    echo "Cannot source CIS_ROOT_DIR variable, aborting."
+    exit 128
+fi
+
+# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
+if [ -r "$CIS_ROOT_DIR"/lib/main.sh ]; then
+    # shellcheck source=../../lib/main.sh
+    . "$CIS_ROOT_DIR"/lib/main.sh
+else
+    echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_ROOT_DIR in /etc/default/cis-hardening"
+    exit 128
+fi

bin/hardening/6.1.9_etc_gshadow_permissions.sh

@@ -0,0 +1,82 @@
+#!/bin/bash
+
+# run-shellcheck
+#
+# CIS Debian Hardening
+#
+
+#
+# 6.1.2 Ensure permissions on /etc/passwd are configured (Scored)
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+# shellcheck disable=2034
+HARDENING_LEVEL=1
+# shellcheck disable=2034
+DESCRIPTION="Check 640 permissions and root:root ownership on /etc/gshadow"
+
+FILE='/etc/gshadow'
+PERMISSIONS='640'
+USER='root'
+GROUP='shadow'
+
+# This function will be called if the script status is on enabled / audit mode
+audit() {
+    has_file_correct_permissions "$FILE" "$PERMISSIONS"
+    if [ "$FNRET" = 0 ]; then
+        ok "$FILE has correct permissions"
+    else
+        crit "$FILE permissions were not set to $PERMISSIONS"
+    fi
+    has_file_correct_ownership "$FILE" "$USER" "$GROUP"
+    if [ "$FNRET" = 0 ]; then
+        ok "$FILE has correct ownership"
+    else
+        crit "$FILE ownership was not set to $USER:$GROUP"
+    fi
+}
+
+# This function will be called if the script status is on enabled mode
+apply() {
+    has_file_correct_permissions "$FILE" "$PERMISSIONS"
+    if [ "$FNRET" = 0 ]; then
+        ok "$FILE has correct permissions"
+    else
+        info "fixing $FILE permissions to $PERMISSIONS"
+        chmod 0"$PERMISSIONS" "$FILE"
+    fi
+    has_file_correct_ownership "$FILE" "$USER" "$GROUP"
+    if [ "$FNRET" = 0 ]; then
+        ok "$FILE has correct ownership"
+    else
+        info "fixing $FILE ownership to $USER:$GROUP"
+        chown "$USER":"$GROUP" "$FILE"
+    fi
+}
+
+# This function will check config parameters required
+check_config() {
+    :
+}
+
+# Source Root Dir Parameter
+if [ -r /etc/default/cis-hardening ]; then
+    # shellcheck source=../../debian/default
+    . /etc/default/cis-hardening
+fi
+if [ -z "$CIS_ROOT_DIR" ]; then
+    echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
+    echo "Cannot source CIS_ROOT_DIR variable, aborting."
+    exit 128
+fi
+
+# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
+if [ -r "$CIS_ROOT_DIR"/lib/main.sh ]; then
+    # shellcheck source=../../lib/main.sh
+    . "$CIS_ROOT_DIR"/lib/main.sh
+else
+    echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_ROOT_DIR in /etc/default/cis-hardening"
+    exit 128
+fi

lib/utils.sh

@@ -88,6 +88,37 @@ has_file_correct_ownership() {
     fi
 }
 
+has_file_one_of_ownership() {
+    local FILE=$1
+    local USERS_OK=$2
+    local GROUPS_OK=$3
+
+    local USEROK=1
+    local GROUPOK=1
+    
+    for USER in $USERS_OK; do
+        local USERID
+        USERID=$(id -u "$USER")
+        if [ "$($SUDO_CMD stat -c "%u" "$FILE")" = "$USERID" ]; then
+            USEROK=0
+        fi
+    done
+
+    for GROUP in $GROUPS_OK; do
+        local GROUPID
+        GROUPID=$(getent group "$GROUP" | cut -d: -f3)
+        if [ "$($SUDO_CMD stat -c "%g" "$FILE")" = "$GROUPID" ]; then
+            GROUPOK=0
+        fi
+    done
+
+    if [[ "$GROUPOK" = 0 ]] && [[ "$USEROK" = 0 ]]; then
+        FNRET=0
+    else
+        FNRET=1
+    fi
+}
+
 has_file_correct_permissions() {
     local FILE=$1
     local PERMISSIONS=$2

tests/hardening/6.1.3_etc_gshadow-_permissions.sh

@@ -0,0 +1,42 @@
+# shellcheck shell=bash
+# run-shellcheck
+test_audit() {
+    describe Running on blank host
+    register_test retvalshouldbe 0
+    dismiss_count_for_test
+    # shellcheck disable=2154
+    run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
+
+    local test_user="testetcgshadow-user"
+    local test_file="/etc/gshadow-"
+
+    describe Tests purposely failing
+    chmod 777 "$test_file"
+    register_test retvalshouldbe 1
+    register_test contain "permissions were not set to"
+    run noncompliant /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
+
+    describe correcting situation
+    sed -i 's/audit/enabled/' /opt/debian-cis/etc/conf.d/"${script}".cfg
+    /opt/debian-cis/bin/hardening/"${script}".sh --apply || true
+
+    describe Tests purposely failing
+    useradd "$test_user"
+    chown "$test_user":"$test_user" "$test_file"
+    register_test retvalshouldbe 1
+    register_test contain "ownership was not set to"
+    run noncompliant /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
+
+    describe correcting situation
+    sed -i 's/audit/enabled/' /opt/debian-cis/etc/conf.d/"${script}".cfg
+    /opt/debian-cis/bin/hardening/"${script}".sh --apply || true
+
+    describe Checking resolved state
+    register_test retvalshouldbe 0
+    register_test contain "has correct permissions"
+    register_test contain "has correct ownership"
+    run resolved /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
+
+    # Cleanup
+    userdel "$test_user"
+}

tests/hardening/6.1.6_etc_passwd-_permissions.sh

@@ -0,0 +1,42 @@
+# shellcheck shell=bash
+# run-shellcheck
+test_audit() {
+    describe Running on blank host
+    register_test retvalshouldbe 0
+    dismiss_count_for_test
+    # shellcheck disable=2154
+    run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
+
+    local test_user="testetcpasswd-user"
+    local test_file="/etc/passwd-"
+
+    describe Tests purposely failing
+    chmod 777 "$test_file"
+    register_test retvalshouldbe 1
+    register_test contain "permissions were not set to"
+    run noncompliant /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
+
+    describe correcting situation
+    sed -i 's/audit/enabled/' /opt/debian-cis/etc/conf.d/"${script}".cfg
+    /opt/debian-cis/bin/hardening/"${script}".sh --apply || true
+
+    describe Tests purposely failing
+    useradd "$test_user"
+    chown "$test_user":"$test_user" "$test_file"
+    register_test retvalshouldbe 1
+    register_test contain "ownership was not set to"
+    run noncompliant /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
+
+    describe correcting situation
+    sed -i 's/audit/enabled/' /opt/debian-cis/etc/conf.d/"${script}".cfg
+    /opt/debian-cis/bin/hardening/"${script}".sh --apply || true
+
+    describe Checking resolved state
+    register_test retvalshouldbe 0
+    register_test contain "has correct permissions"
+    register_test contain "has correct ownership"
+    run resolved /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
+
+    # Cleanup
+    userdel "$test_user"
+}

tests/hardening/6.1.7_etc_shadow-_permissions.sh

@@ -0,0 +1,42 @@
+# shellcheck shell=bash
+# run-shellcheck
+test_audit() {
+    describe Running on blank host
+    register_test retvalshouldbe 0
+    dismiss_count_for_test
+    # shellcheck disable=2154
+    run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
+
+    local test_user="testetcshadow-user"
+    local test_file="/etc/shadow-"
+
+    describe Tests purposely failing
+    chmod 777 "$test_file"
+    register_test retvalshouldbe 1
+    register_test contain "permissions were not set to"
+    run noncompliant /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
+
+    describe correcting situation
+    sed -i 's/audit/enabled/' /opt/debian-cis/etc/conf.d/"${script}".cfg
+    /opt/debian-cis/bin/hardening/"${script}".sh --apply || true
+
+    describe Tests purposely failing
+    useradd "$test_user"
+    chown "$test_user":"$test_user" "$test_file"
+    register_test retvalshouldbe 1
+    register_test contain "ownership was not set to"
+    run noncompliant /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
+
+    describe correcting situation
+    sed -i 's/audit/enabled/' /opt/debian-cis/etc/conf.d/"${script}".cfg
+    /opt/debian-cis/bin/hardening/"${script}".sh --apply || true
+
+    describe Checking resolved state
+    register_test retvalshouldbe 0
+    register_test contain "has correct permissions"
+    register_test contain "has correct ownership"
+    run resolved /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
+
+    # Cleanup
+    userdel "$test_user"
+}

tests/hardening/6.1.8_etc_group-_permissions.sh

@@ -0,0 +1,42 @@
+# shellcheck shell=bash
+# run-shellcheck
+test_audit() {
+    describe Running on blank host
+    register_test retvalshouldbe 0
+    dismiss_count_for_test
+    # shellcheck disable=2154
+    run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
+
+    local test_user="testetcgroup--user"
+    local test_file="/etc/group-"
+
+    describe Tests purposely failing
+    chmod 777 "$test_file"
+    register_test retvalshouldbe 1
+    register_test contain "permissions were not set to"
+    run noncompliant /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
+
+    describe correcting situation
+    sed -i 's/audit/enabled/' /opt/debian-cis/etc/conf.d/"${script}".cfg
+    /opt/debian-cis/bin/hardening/"${script}".sh --apply || true
+
+    describe Tests purposely failing
+    useradd "$test_user"
+    chown "$test_user":"$test_user" "$test_file"
+    register_test retvalshouldbe 1
+    register_test contain "ownership was not set to"
+    run noncompliant /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
+
+    describe correcting situation
+    sed -i 's/audit/enabled/' /opt/debian-cis/etc/conf.d/"${script}".cfg
+    /opt/debian-cis/bin/hardening/"${script}".sh --apply || true
+
+    describe Checking resolved state
+    register_test retvalshouldbe 0
+    register_test contain "has correct permissions"
+    register_test contain "has correct ownership"
+    run resolved /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
+
+    # Cleanup
+    userdel "$test_user"
+}

tests/hardening/6.1.9_etc_gshadow_permissions.sh

@@ -0,0 +1,42 @@
+# shellcheck shell=bash
+# run-shellcheck
+test_audit() {
+    describe Running on blank host
+    register_test retvalshouldbe 0
+    dismiss_count_for_test
+    # shellcheck disable=2154
+    run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
+
+    local test_user="testetcgshadowuser"
+    local test_file="/etc/gshadow"
+
+    describe Tests purposely failing
+    chmod 777 "$test_file"
+    register_test retvalshouldbe 1
+    register_test contain "permissions were not set to"
+    run noncompliant /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
+
+    describe correcting situation
+    sed -i 's/audit/enabled/' /opt/debian-cis/etc/conf.d/"${script}".cfg
+    /opt/debian-cis/bin/hardening/"${script}".sh --apply || true
+
+    describe Tests purposely failing
+    useradd "$test_user"
+    chown "$test_user":"$test_user" "$test_file"
+    register_test retvalshouldbe 1
+    register_test contain "ownership was not set to"
+    run noncompliant /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
+
+    describe correcting situation
+    sed -i 's/audit/enabled/' /opt/debian-cis/etc/conf.d/"${script}".cfg
+    /opt/debian-cis/bin/hardening/"${script}".sh --apply || true
+
+    describe Checking resolved state
+    register_test retvalshouldbe 0
+    register_test contain "has correct permissions"
+    register_test contain "has correct ownership"
+    run resolved /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
+
+    # Cleanup
+    userdel "$test_user"
+}