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{{%- if SYSCTLVAL == "" %}}
{{%- set COMMENT_VALUE="the appropriate value" %}}
{{%- elif SYSCTLVAL is string %}}
{{%- set COMMENT_VALUE=SYSCTLVAL %}}
{{%- else %}}
{{%- set COMMENT_VALUE = SYSCTLVAL | join(" or " ) %}}
{{%- endif %}}
{{% macro state_static_sysctld(prefix) -%}}
<ind:object object_ref="object_static_{{{ prefix }}}_{{{ rule_id }}}"/>
{{% if SYSCTLVAL is string %}}
<ind:state state_ref="state_static_sysctld_{{{ rule_id }}}"/>
{{% elif SYSCTLVAL is sequence %}}
{{% for x in SYSCTLVAL %}}
<ind:state state_ref="state_static_sysctld_{{{ rule_id }}}_{{{ x }}}" />
{{% endfor %}}
{{% endif %}}
{{%- endmacro -%}}
{{%- macro sysctl_match() -%}}
<ind:pattern operation="pattern match">^[\s]*{{{ SYSCTLVAR }}}[\s]*=[\s]*(.*\S)[\s]*$</ind:pattern>
<ind:instance datatype="int" operation="greater than or equal">1</ind:instance>
{{%- endmacro -%}}
{{%- if IPV6 == "false" -%}}
<def-group>
<definition class="compliance" id="{{{ rule_id }}}" version="3">
{{{ oval_metadata("The '" + SYSCTLVAR + "' kernel parameter should be set to the appropriate value in system configuration" + (" and system runtime." if CHECK_RUNTIME == "true" else "."), rule_title=rule_title) }}}
<criteria operator="AND">
<extend_definition comment="{{{ SYSCTLVAR }}} configuration setting check"
definition_ref="{{{ rule_id }}}_static"/>
{{% if CHECK_RUNTIME == "true" %}}
<extend_definition comment="{{{ SYSCTLVAR }}} runtime setting check"
definition_ref="{{{ rule_id }}}_runtime"/>
{{%- endif %}}
</criteria>
</definition>
</def-group>
{{%- else -%}}
<def-group>
<definition class="compliance" id="{{{ rule_id }}}" version="4">
{{{ oval_metadata("The kernel '" + SYSCTLVAR + "' parameter should be set to the appropriate value in system configuration" + (" and system runtime." if CHECK_RUNTIME == "true" else "."), rule_title=rule_title) }}}
<criteria comment="IPv6 disabled or {{{ SYSCTLVAR }}} set correctly" operator="OR">
<extend_definition comment="is IPv6 enabled?"
definition_ref="sysctl_kernel_ipv6_disable"/>
<criteria operator="AND">
<extend_definition comment="{{{ SYSCTLVAR }}} configuration setting check"
definition_ref="{{{ rule_id }}}_static"/>
{{% if CHECK_RUNTIME == "true" %}}
<extend_definition comment="{{{ SYSCTLVAR }}} runtime setting check"
definition_ref="{{{ rule_id }}}_runtime"/>
{{%- endif %}}
</criteria>
</criteria>
</definition>
</def-group>
{{%- endif %}}
{{% if CHECK_RUNTIME == "true" %}}
<def-group>
<definition class="compliance" id="{{{ rule_id }}}_runtime" version="3">
{{{ oval_metadata("The kernel '" + SYSCTLVAR + "' parameter should be set to " + COMMENT_VALUE + " in the system runtime.", rule_title=rule_title) }}}
<criteria operator="AND">
<criterion comment="kernel runtime parameter {{{ SYSCTLVAR }}} set to {{{ COMMENT_VALUE }}}"
test_ref="test_{{{ rule_id }}}_runtime"/>
</criteria>
</definition>
<unix:sysctl_test id="test_{{{ rule_id }}}_runtime" version="1"
comment="kernel runtime parameter {{{ SYSCTLVAR }}} set to {{{ COMMENT_VALUE }}}"
check="all" check_existence="all_exist" state_operator="OR">
<unix:object object_ref="object_{{{ rule_id }}}_runtime"/>
{{% if SYSCTLVAL is string %}}
<unix:state state_ref="state_{{{ rule_id }}}_runtime"/>
{{% elif SYSCTLVAL is sequence %}}
{{% for x in SYSCTLVAL %}}
<unix:state state_ref="state_{{{ rule_id }}}_runtime_{{{ x }}}" />
{{% endfor %}}
{{% endif %}}
</unix:sysctl_test>
<unix:sysctl_object id="object_{{{ rule_id }}}_runtime" version="1">
<unix:name>{{{ SYSCTLVAR }}}</unix:name>
</unix:sysctl_object>
{{% if SYSCTLVAL is string %}}
{{% if SYSCTLVAL == "" %}}
<unix:sysctl_state id="state_{{{ rule_id }}}_runtime" version="1">
<unix:value datatype="{{{ DATATYPE }}}" operation="equals"
var_ref="{{{ rule_id }}}_value"/>
</unix:sysctl_state>
<external_variable id="{{{ rule_id }}}_value" version="1"
comment="External variable for {{{ SYSCTLVAR }}}" datatype="{{{ DATATYPE }}}"/>
{{%- else %}}
<unix:sysctl_state id="state_{{{ rule_id }}}_runtime" version="1">
{{% if OPERATION == "pattern match" %}}
<unix:value datatype="{{{ DATATYPE }}}"
operation="{{{ OPERATION }}}">{{{ SYSCTLVAL_REGEX }}}</unix:value>
{{% else %}}
<unix:value datatype="{{{ DATATYPE }}}"
operation="{{{ OPERATION }}}">{{{ SYSCTLVAL }}}</unix:value>
{{% endif %}}
</unix:sysctl_state>
{{%- endif %}}
{{% elif SYSCTLVAL is sequence %}}
{{% for x in SYSCTLVAL %}}
<unix:sysctl_state id="state_{{{ rule_id }}}_runtime_{{{ x }}}" version="1">
<unix:value datatype="{{{ DATATYPE }}}"
operation="{{{ OPERATION }}}">{{{ x }}}</unix:value>
</unix:sysctl_state>
{{% endfor %}}
{{% endif %}}
</def-group>
{{% endif %}}
<def-group>
<definition class="compliance" id="{{{ rule_id }}}_static" version="3">
{{{ oval_metadata("The kernel '" + SYSCTLVAR + "' parameter should be set to " + COMMENT_VALUE + " in the system configuration.", rule_title=rule_title) }}}
<criteria operator="OR">
<!-- Processing differently files in /usr/lib/sysctl.d/ as they are managed by packages and
won't be fixed by remediations, see sysctl.d(5) -->
<criterion comment="kernel static parameter {{{ SYSCTLVAR }}} set to {{{ COMMENT_VALUE }}} in sysctl files not managed by packages"
test_ref="test_{{{ rule_id }}}_static_user" />
<criteria operator="AND">
<criterion comment="kernel static parameter {{{ SYSCTLVAR }}} missing in sysctl files not managed by packages"
test_ref="test_{{{ rule_id }}}_static_user_missing" />
{{% if MISSING_PARAMETER_PASS == "true" %}}
<criterion comment="{{{ "kernel static parameter" + SYSCTLVAR + " set to " +
COMMENT_VALUE + " or missing in sysctl files managed by packages" }}}"
test_ref="test_{{{ rule_id }}}_static_pkg_not_wrong" />
{{% else %}}
<criterion comment="{{{ "kernel static parameter " + SYSCTLVAR + " set to " +
COMMENT_VALUE + " in sysctl files managed by packages" }}}"
test_ref="test_{{{ rule_id }}}_static_pkg_correct" />
{{% endif %}}
</criteria>
</criteria>
</definition>
<ind:textfilecontent54_test id="test_{{{ rule_id }}}_static_user_missing" version="1"
check="all" check_existence="none_exist"
comment="{{{ SYSCTLVAR }}} static configuration">
<ind:object object_ref="object_static_user_{{{ rule_id }}}" />
</ind:textfilecontent54_test>
<ind:textfilecontent54_test id="test_{{{ rule_id }}}_static_user" version="1"
check="all" check_existence="all_exist"
comment="{{{ SYSCTLVAR }}} static configuration" state_operator="OR">
{{{ state_static_sysctld("user") }}}
</ind:textfilecontent54_test>
{{% if MISSING_PARAMETER_PASS == "true" %}}
<ind:textfilecontent54_test id="test_{{{ rule_id }}}_static_pkg_not_wrong" version="2" check="all"
check_existence="any_exist"
comment="{{{ SYSCTLVAR }}} static configuration in /usr/lib/sysctl.d/*.conf" state_operator="OR">
{{{ state_static_sysctld("usr_lib_sysctld") }}}
</ind:textfilecontent54_test>
{{% else %}}
<ind:textfilecontent54_test id="test_{{{ rule_id }}}_static_pkg_correct" version="2" check="all"
check_existence="all_exist"
comment="{{{ SYSCTLVAR }}} static configuration in /usr/lib/sysctl.d/*.conf"
state_operator="OR">
{{{ state_static_sysctld("usr_lib_sysctld") }}}
</ind:textfilecontent54_test>
{{% endif %}}
<!-- Avoid directly referencing a possibly empty collection, one empty collection will cause the
variable to have no value even when there are valid objects. -->
<ind:textfilecontent54_object id="object_static_user_{{{ rule_id }}}" version="1">
<set>
<object_reference>object_static_etc_lib_sysctls_{{{ rule_id }}}</object_reference>
<object_reference>object_static_run_usr_local_sysctls_{{{ rule_id }}}</object_reference>
</set>
</ind:textfilecontent54_object>
<ind:textfilecontent54_object id="object_static_etc_lib_sysctls_{{{ rule_id }}}" version="1">
<set>
<object_reference>object_static_etc_sysctls_{{{ rule_id }}}</object_reference>
{{% if product not in [ "ol7", "ol8", "ol9", "rhcos4", "rhel8", "rhel9", "rhel10", "ubuntu2204", "ubuntu2404"] %}}
<object_reference>object_static_lib_sysctld_{{{ rule_id }}}</object_reference>
{{% endif %}}
</set>
</ind:textfilecontent54_object>
<ind:textfilecontent54_object id="object_static_etc_sysctls_{{{ rule_id }}}" version="1">
<set>
<object_reference>object_static_sysctl_{{{ rule_id }}}</object_reference>
<object_reference>object_static_etc_sysctld_{{{ rule_id }}}</object_reference>
</set>
</ind:textfilecontent54_object>
<ind:textfilecontent54_object id="object_static_run_usr_local_sysctls_{{{ rule_id }}}" version="1">
<set>
<object_reference>object_static_usr_local_lib_sysctld_{{{ rule_id }}}</object_reference>
<object_reference>object_static_run_sysctld_{{{ rule_id }}}</object_reference>
</set>
</ind:textfilecontent54_object>
<ind:textfilecontent54_object id="object_static_sysctl_{{{ rule_id }}}" version="1">
{{% if "ubuntu" in product %}}
<ind:filepath operation="pattern match">/etc(/ufw){0,1}/sysctl.conf$</ind:filepath>
{{% else %}}
<ind:filepath>/etc/sysctl.conf</ind:filepath>
{{% endif %}}
{{{ sysctl_match() }}}
</ind:textfilecontent54_object>
<ind:textfilecontent54_object id="object_static_etc_sysctld_{{{ rule_id }}}" version="1">
<ind:path>/etc/sysctl.d</ind:path>
<ind:filename operation="pattern match">^.*\.conf$</ind:filename>
{{{ sysctl_match() }}}
</ind:textfilecontent54_object>
<ind:textfilecontent54_object id="object_static_run_sysctld_{{{ rule_id }}}" version="1">
<ind:path>/run/sysctl.d</ind:path>
<ind:filename operation="pattern match">^.*\.conf$</ind:filename>
{{{ sysctl_match() }}}
</ind:textfilecontent54_object>
<ind:textfilecontent54_object id="object_static_usr_local_lib_sysctld_{{{ rule_id }}}" version="1">
<ind:path>/usr/local/lib/sysctl.d</ind:path>
<ind:filename operation="pattern match">^.*\.conf$</ind:filename>
{{{ sysctl_match() }}}
</ind:textfilecontent54_object>
<ind:textfilecontent54_object id="object_static_usr_lib_sysctld_{{{ rule_id }}}" version="1">
<ind:path>/usr/lib/sysctl.d</ind:path>
<ind:filename operation="pattern match">^.*\.conf$</ind:filename>
{{{ sysctl_match() }}}
</ind:textfilecontent54_object>
{{% if product not in [ "ol7", "ol8", "ol9", "rhcos4", "ubuntu2204", "ubuntu2404"] or 'rhel' in product %}}
<ind:textfilecontent54_object id="object_static_lib_sysctld_{{{ rule_id }}}" version="1">
<ind:path>/lib/sysctl.d</ind:path>
<ind:filename operation="pattern match">^.*\.conf$</ind:filename>
{{{ sysctl_match() }}}
</ind:textfilecontent54_object>
{{% endif %}}
{{% if SYSCTLVAL is string %}}
{{% if SYSCTLVAL == "" %}}
<ind:textfilecontent54_state id="state_static_sysctld_{{{ rule_id }}}" version="1">
<ind:subexpression operation="{{{ OPERATION }}}" var_ref="{{{ rule_id }}}_value"
datatype="{{{ DATATYPE }}}" />
</ind:textfilecontent54_state>
<external_variable id="{{{ rule_id }}}_value" version="1"
comment="External variable for {{{ SYSCTLVAR }}}" datatype="{{{ DATATYPE }}}"/>
{{% else %}}
<ind:textfilecontent54_state id="state_static_sysctld_{{{ rule_id }}}" version="1">
{{% if OPERATION == "pattern match" %}}
<ind:subexpression operation="{{{ OPERATION }}}" datatype="{{{ DATATYPE }}}">{{{ SYSCTLVAL_REGEX }}}</ind:subexpression>
{{% else %}}
<ind:subexpression operation="{{{ OPERATION }}}" datatype="{{{ DATATYPE }}}">{{{ SYSCTLVAL }}}</ind:subexpression>
{{% endif %}}
</ind:textfilecontent54_state>
{{% endif %}}
{{% elif SYSCTLVAL is sequence %}}
{{% for x in SYSCTLVAL %}}
<ind:textfilecontent54_state id="state_static_sysctld_{{{ rule_id }}}_{{{ x }}}" version="1">
<ind:subexpression operation="{{{ OPERATION }}}" datatype="{{{ DATATYPE }}}">{{{ x }}}</ind:subexpression>
</ind:textfilecontent54_state>
{{% endfor %}}
{{% endif %}}
</def-group>
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