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https://github.com/ansible-lockdown/RHEL9-CIS.git
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61 lines
2.3 KiB
YAML
61 lines
2.3 KiB
YAML
---
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# Since auditd rules are dependent on syscalls and syscall tables are architecture specific,
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# we need to update the auditd rules depending on the architecture of the system.
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# This task passed the syscalls table to the auditd template and updates the auditd rules
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- name: "POST | AUDITD | Set supported_syscalls variable"
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ansible.builtin.shell: ausyscall --dump | awk '{print $2}'
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changed_when: false
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check_mode: false
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failed_when: discovered_auditd_syscalls.rc not in [ 0, 1 ]
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register: discovered_auditd_syscalls
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- name: POST | AUDITD | Apply auditd template will for section 6.3.3 - only required rules will be added | stat file
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ansible.builtin.stat:
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path: /etc/audit/rules.d/99_auditd.rules
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register: discovered_auditd_rules_file
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- name: POST | Apply auditd template for section 6.3.3.x
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when: update_audit_template
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vars:
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supported_syscalls: "{{ discovered_auditd_syscalls.stdout_lines }}"
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ansible.builtin.template:
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src: audit/99_auditd.rules.j2
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dest: /etc/audit/rules.d/99_auditd.rules
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owner: root
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group: root
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mode: 'u-x,g-wx,o-rwx'
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diff: "{{ discovered_auditd_rules_file.stat.exists }}" # Only run diff if not a new file
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register: discovered_auditd_rules_template_updated
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notify:
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- Auditd immutable check
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- Audit immutable fact
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- Restart auditd
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- name: POST | AUDITD | Add Warning count for changes to template file | Warn Count # noqa no-handler
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when:
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- discovered_auditd_rules_template_updated.changed
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- discovered_auditd_rules_file.stat.exists
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ansible.builtin.import_tasks:
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file: warning_facts.yml
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vars:
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warn_control_id: 'Auditd template updated, validate as expected'
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- name: POST | AUDITD | Apply auditd template will for section 4.1.3 - only required rules will be added | stat file
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ansible.builtin.stat:
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path: /etc/audit/rules.d/98_auditd_exceptions.rules
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register: discovered_auditd_exception_file
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- name: POST | Set up auditd user logging exceptions | setup file
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when:
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- rhel9cis_allow_auditd_uid_user_exclusions
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- rhel9cis_auditd_uid_exclude | length > 0
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ansible.builtin.template:
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src: audit/98_auditd_exception.rules.j2
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dest: /etc/audit/rules.d/98_auditd_exceptions.rules
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owner: root
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group: root
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mode: '0640'
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diff: "{{ discovered_auditd_exception_file.stat.exists }}"
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notify: Restart auditd
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