<?xml version='1.0' encoding='utf-8'?>
<oval-def:oval_definitions xmlns:ind="http://oval.mitre.org/XMLSchema/oval-definitions-5#independent" xmlns:oval="http://oval.mitre.org/XMLSchema/oval-common-5" xmlns:oval-def="http://oval.mitre.org/XMLSchema/oval-definitions-5" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://oval.mitre.org/XMLSchema/oval-common-5 oval-common-schema.xsd  http://oval.mitre.org/XMLSchema/oval-definitions-5 oval-definitions-schema.xsd  http://oval.mitre.org/XMLSchema/oval-definitions-5#independent independent-definitions-schema.xsd  http://oval.mitre.org/XMLSchema/oval-definitions-5#unix unix-definitions-schema.xsd  http://oval.mitre.org/XMLSchema/oval-definitions-5#linux linux-definitions-schema.xsd">
  <oval-def:generator>
    <oval:product_name>OVALFileLinker from SCAP Security Guide</oval:product_name>
    <oval:product_version>ssg: [0, 1, 80], python: 3.10.12</oval:product_version>
    <oval:schema_version>5.11.2</oval:schema_version>
    <oval:timestamp>2025-11-24T17:59:05</oval:timestamp>
  </oval-def:generator>
  <oval-def:definitions>
    <oval-def:definition id="oval:ssg-accounts_password_pam_pwhistory_enforce_root:def:1" version="2" class="compliance">
      <oval-def:metadata>
        <oval-def:title>Limit Password Reuse</oval-def:title>
        <oval-def:affected family="unix">
          <oval-def:platform>Ubuntu 22.04</oval-def:platform>
        </oval-def:affected>
        <oval-def:reference ref_id="accounts_password_pam_pwhistory_enforce_root" source="ssg" />
        <oval-def:description>Enforce password history for root of pam_pwhistory.</oval-def:description>
      </oval-def:metadata>
      <oval-def:criteria comment="Check if pam_pwhistory.so is properly configured" operator="AND">
        <oval-def:criterion comment="pam_pwhistory.so is properly defined in password section of PAM file" test_ref="oval:ssg-test_accounts_password_pam_pwhistory_enforce_root_enabled:tst:1" />
        <oval-def:criterion comment="enforce_for_root parameter of pam_pwhistory.so is properly configured" test_ref="oval:ssg-test_accounts_password_pam_pwhistory_enforce_for_root_parameter:tst:1" />
      </oval-def:criteria>
    </oval-def:definition>
  </oval-def:definitions>
  <oval-def:tests>
    <ind:textfilecontent54_test id="oval:ssg-test_accounts_password_pam_pwhistory_enforce_root_enabled:tst:1" version="1" check="all" comment="Check pam_pwhistory.so presence in PAM file" state_operator="AND">
      <ind:object object_ref="oval:ssg-object_accounts_password_pam_pwhistory_enforce_root_enabled:obj:1" />
    </ind:textfilecontent54_test>
    <ind:textfilecontent54_test id="oval:ssg-test_accounts_password_pam_pwhistory_enforce_for_root_parameter:tst:1" version="1" check="all" comment="Test if enforce_for_root attribute of pam_pwhistory.so is set correctly in /etc/pam.d/common-password" check_existence="all_exist" state_operator="AND">
      <ind:object object_ref="oval:ssg-object_accounts_password_pam_pwhistory_enforce_for_root_parameter:obj:1" />
    </ind:textfilecontent54_test>
  </oval-def:tests>
  <oval-def:objects>
    <ind:textfilecontent54_object id="oval:ssg-object_accounts_password_pam_pwhistory_enforce_root_enabled:obj:1" version="1">
      <ind:filepath>/etc/pam.d/common-password</ind:filepath>
      <ind:pattern var_ref="oval:ssg-var_accounts_password_pam_pwhistory_module_regex:var:1" var_check="at least one" operation="pattern match" />
      <ind:instance datatype="int">1</ind:instance>
    </ind:textfilecontent54_object>
    <ind:textfilecontent54_object id="oval:ssg-object_accounts_password_pam_pwhistory_enforce_for_root_parameter:obj:1" version="1">
      <ind:filepath>/etc/pam.d/common-password</ind:filepath>
      <ind:pattern operation="pattern match">^[ \t]*password[ \t]+(?:(?:sufficient)|(?:required)|(?:requisite)|(?:\[.*\]))[ \t]+pam_pwhistory\.so[ \t]+[^#\n\r]*\benforce_for_root\b.*$</ind:pattern>
      <ind:instance datatype="int">1</ind:instance>
    </ind:textfilecontent54_object>
  </oval-def:objects>
  <oval-def:variables>
    <oval-def:local_variable id="oval:ssg-var_accounts_password_pam_pwhistory_module_regex:var:1" version="1" datatype="string" comment="The regex is to confirm the pam_pwhistory.so module is enabled">
      <oval-def:literal_component>^[ \t]*password[ \t]+(?:(?:sufficient)|(?:required)|(?:requisite)|(?:\[.*\]))[ \t]+pam_pwhistory\.so.*$</oval-def:literal_component>
    </oval-def:local_variable>
  </oval-def:variables>
</oval-def:oval_definitions>