--- # Preliminary tasks that should always be run # List users in order to look files inside each home directory - name: "PRELIM | List users accounts" command: "awk -F: '{print $1}' /etc/passwd" args: warn: no changed_when: no check_mode: no register: users - name: "PRELIM | Gather accounts with empty password fields" shell: "cat /etc/shadow | awk -F: '($2 == \"\" ) {j++;print $1; } END {exit j}'" args: warn: no changed_when: no check_mode: no register: empty_password_accounts - name: "PRELIM | Gather UID 0 accounts other than root" shell: "cat /etc/passwd | awk -F: '($3 == 0 && $1 != \"root\") {i++;print $1 } END {exit i}'" args: warn: no changed_when: no check_mode: no register: uid_zero_accounts_except_root - name: "PRELIM | Gather system-wide crypto-policy" shell: update-crypto-policies --show args: warn: no changed_when: no check_mode: no register: system_wide_crypto_policy - name: "PRELIM | if systemd coredump" stat: path: /etc/systemd/coredump.conf register: systemd_coredump when: - rhel9cis_rule_1_6_1 - name: "PRELIM | Section 1.1 | Create list of mount points" set_fact: mount_names: "{{ ansible_mounts | map(attribute='mount') | list }}" - name: "PRELIM | Section 4.1 | Configure System Accounting (auditd)" package: name: audit state: present when: rhel9cis_level_2 - name: "PRELIM | 4.1.12 | Ensure successful file system mounts are collected" shell: for i in $(df | grep '^/dev' | awk '{ print $NF }'); do find $i -xdev -type f -perm -4000 -o -type f -perm -2000 2>/dev/null; done changed_when: false failed_when: false check_mode: no register: priv_procs tags: - always - name: "PRELIM | Section 5.1 | Configure cron" package: name: cronie state: present - name: "PRELIM | Install authconfig" package: name: authconfig state: present when: - rhel9cis_use_authconfig - rhel9cis_rule_5_3_1 or rhel9cis_rule_5_3_2 or rhel9cis_rule_5_3_3 - name: "PRELIM | Set facts based on boot type" block: - name: "PRELIM | Check whether machine is UEFI-based" stat: path: /sys/firmware/efi register: rhel_09_efi_boot - name: "PRELIM | AUDIT | set legacy boot and grub path | Bios" set_fact: rhel9cis_legacy_boot: true grub2_path: /etc/grub2.cfg when: not rhel_09_efi_boot.stat.exists - name: "PRELIM | set grub fact | UEFI" set_fact: grub2_path: /etc/grub2-efi.cfg when: rhel_09_efi_boot.stat.exists # - name: debug legacy boot var # debug: # msg: | # legacy_boot={{ rhel9cis_legacy_boot }} # grub2_path={{ grub2_path }} - name: "PRELIM | AUDIT | Ensure permissions on bootloader config are configured | Get grub config file stats" stat: path: "{{ grub2_path }}" changed_when: false register: grub_cfg # - name: debug grub stat # debug: # var: grub_cfg.stat - name: "PRELIM | Check for rhnsd service" shell: "systemctl show rhnsd | grep LoadState | cut -d = -f 2" changed_when: false check_mode: false register: rhnsd_service_status when: - rhel9cis_rule_1_2_2 tags: - skip_ansible_lint