RHEL9-CIS/tasks/main.yml

---
# tasks file for RHEL9-CIS

- name: "Check OS version and family"
  when: os_check
  tags: always
  ansible.builtin.assert:
    that: (ansible_facts.distribution != 'CentOS' and ansible_facts.os_family == 'RedHat' or ansible_facts.os_family == "Rocky") and ansible_facts.distribution_major_version is version_compare('9', '==')
    fail_msg: "This role can only be run against Supported OSs. {{ ansible_facts.distribution }} {{ ansible_facts.distribution_major_version }} is not supported."
    success_msg: "This role is running against a supported OS {{ ansible_facts.distribution }} {{ ansible_facts.distribution_major_version }}"

- name: "Check ansible version"
  tags: always
  ansible.builtin.assert:
    that: ansible_version.full is version_compare(min_ansible_version, '>=')
    fail_msg: "You must use Ansible {{ min_ansible_version }} or greater"
    success_msg: "This role is running a supported version of ansible {{ ansible_version.full }} >= {{ min_ansible_version }}"

- name: "Setup rules if container"
  when:
    - ansible_connection == 'docker' or
      ansible_facts.virtualization_type in ["docker", "lxc", "openvz", "podman", "container"]
  tags:
    - container_discovery
    - always
  block:
    - name: "Discover and set container variable if required"
      ansible.builtin.set_fact:
        system_is_container: true

    - name: "Load variable for container"
      ansible.builtin.include_vars:
        file: "{{ container_vars_file }}"

    - name: "Output if discovered is a container"
      when: system_is_container
      ansible.builtin.debug:
        msg: system has been discovered as a container

- name: "Check crypto-policy input"
  ansible.builtin.assert:
    that: rhel9cis_crypto_policy in rhel9cis_allowed_crypto_policies
    fail_msg: "Crypto policy is not a permitted version"
    success_msg: "Crypto policy is a permitted version"

- name: "Check rhel9cis_bootloader_password_hash variable has been changed"
  when:
    - rhel9cis_set_boot_pass
    - rhel9cis_rule_1_4_1
  tags: always
  ansible.builtin.assert:
    that: rhel9cis_bootloader_password_hash.find('grub.pbkdf2.sha512') != -1 and rhel9cis_bootloader_password_hash != 'grub.pbkdf2.sha512.changethispassword'  # pragma: allowlist secret
    msg: "This role will not be able to run single user password commands as rhel9cis_bootloader_password_hash variable has not been set correctly"

- name: "Check crypto-policy module input"
  when:
    - rhel9cis_rule_1_6_1
    - rhel9cis_crypto_policy_module | length > 0
  tags:
    - rule_1.6.1
    - crypto
    - NIST800-53R5_SC-6
  ansible.builtin.assert:
    that: rhel9cis_crypto_policy_module in rhel9cis_allowed_crypto_policies_modules
    fail_msg: "Crypto policy module is not a permitted version"
    success_msg: "Crypto policy module is a permitted version"

- name: "Check password set for {{ ansible_env.SUDO_USER }}"
  when:
    - rhel9cis_rule_5_2_4
    - ansible_env.SUDO_USER is defined
    - not system_is_ec2
  tags:
    - user_passwd
    - rule_5.2.4
  vars:
    sudo_password_rule: rhel9cis_rule_5_2_4  # pragma: allowlist secret
  block:
    - name: "Check password set for {{ ansible_env.SUDO_USER }} | password state"  # noqa name[template]
      ansible.builtin.shell: "(grep {{ ansible_env.SUDO_USER }} /etc/shadow || echo 'not found:not found') | awk -F: '{print $2}'"
      changed_when: false
      failed_when: false
      check_mode: false
      register: prelim_ansible_user_password_set

    - name: "Check for local account {{ ansible_env.SUDO_USER }} | Check for local account"  # noqa name[template]
      when: prelim_ansible_user_password_set.stdout == "not found"
      ansible.builtin.debug:
        msg: "No local account found for {{ ansible_env.SUDO_USER }} user. Skipping local account checks."

    - name: "Check local account"
      when: prelim_ansible_user_password_set.stdout != "not found"
      block:
        - name: "Check password set for {{ ansible_env.SUDO_USER }} | Assert local password set"  # noqa name[template]
          ansible.builtin.assert:
            that:
              - prelim_ansible_user_password_set.stdout | length != 0
              - prelim_ansible_user_password_set.stdout != "!!"
            fail_msg: "You have {{ sudo_password_rule }} enabled but the user = {{ ansible_env.SUDO_USER }} has no password set - It can break access"
            success_msg: "You have a password set for the {{ ansible_env.SUDO_USER }} user"

        - name: "Check account is not locked for {{ ansible_env.SUDO_USER }} | Assert local account not locked"  # noqa name[template]
          ansible.builtin.assert:
            that:
              - not prelim_ansible_user_password_set.stdout.startswith("!")
            fail_msg: "You have {{ sudo_password_rule }} enabled but the user = {{ ansible_env.SUDO_USER }} is locked - It can break access"
            success_msg: "The local account is not locked for {{ ansible_env.SUDO_USER }} user"

- name: "Check authselect profile is selected"
  when: rhel9cis_allow_authselect_updates
  tags: always
  block:
    - name: "Check authselect profile name has been updated | Ensure name from default is changed"
      ansible.builtin.assert:
        that: rhel9cis_authselect_custom_profile_name != 'cis_example_profile'
        fail_msg: "You still have the default name for your authselect profile"

    - name: "Check authselect profile is selected | Check current profile"
      ansible.builtin.shell: authselect list
      changed_when: false
      failed_when: prelim_authselect_current_profile.rc not in [ 0, 1 ]
      register: prelim_authselect_current_profile

- name: "Ensure root password is set"
  when: rhel9cis_rule_5_4_2_4
  tags:
    - level1-server
    - level1-workstation
    - patch
    - accounts
    - root
    - rule_5.4.2.4
  block:
    - name: "Ensure root password is set"
      ansible.builtin.shell: passwd -S root | egrep -e "(Password set, SHA512 crypt|Password locked)"
      changed_when: false
      register: prelim_root_passwd_set

    - name: "Ensure root password is set"
      ansible.builtin.assert:
        that: prelim_root_passwd_set.rc == 0
        fail_msg: "You have rule 5.4.2.4 enabled this requires that you have a root password set"
        success_msg: "You have a root password set"

- name: "Gather the package facts"
  tags: always
  ansible.builtin.package_facts:
    manager: auto

- name: "Include OS specific variables"
  tags: always
  ansible.builtin.include_vars:
    file: "{{ ansible_facts.distribution }}.yml"

- name: "Include preliminary steps"
  tags:
    - prelim_tasks
    - always
  ansible.builtin.import_tasks:
    file: prelim.yml

- name: "Run Section 1 tasks"
  when: rhel9cis_section1
  ansible.builtin.import_tasks:
    file: section_1/main.yml

- name: "Run Section 2 tasks"
  when: rhel9cis_section2
  ansible.builtin.import_tasks:
    file: section_2/main.yml

- name: "Run Section 3 tasks"
  when: rhel9cis_section3
  ansible.builtin.import_tasks:
    file: section_3/main.yml

- name: "Run Section 4 tasks"
  when: rhel9cis_section4
  ansible.builtin.import_tasks:
    file: section_4/main.yml

- name: "Run Section 5 tasks"
  when: rhel9cis_section5
  ansible.builtin.import_tasks:
    file: section_5/main.yml

- name: "Run Section 6 tasks"
  when: rhel9cis_section6
  ansible.builtin.import_tasks:
    file: section_6/main.yml

- name: "Run Section 7 tasks"
  when: rhel9cis_section7
  ansible.builtin.import_tasks:
    file: section_7/main.yml

- name: "Run auditd logic"
  when: update_audit_template
  tags: always
  ansible.builtin.import_tasks:
    file: auditd.yml

- name: "Run post remediation tasks"
  tags:
    - post_tasks
    - always
  ansible.builtin.import_tasks:
    file: post.yml

- name: "Run post_remediation audit"
  when: run_audit
  ansible.builtin.import_tasks:
    file: post_remediation_audit.yml

- name: "Show Audit Summary"
  when: run_audit
  ansible.builtin.debug:
    msg: "{{ audit_results.split('\n') }}"

- name: "If Warnings found Output count and control IDs affected"
  when: warn_count != 0
  tags: always
  ansible.builtin.debug:
    msg: "You have {{ warn_count }} Warning(s) that require investigating that are related to the following benchmark ID(s) {{ warn_control_list }}"