---
#
# Setup firewalld or iptables for Browbeat
#

- name: Determine if firewalld is in use
  shell: systemctl is-enabled firewalld.service | egrep -qv 'masked|disabled'
  ignore_errors: true
  register: firewalld_in_use
  no_log: true
  tags:
    # Skip ANSIBLE0012 Commands should not change things if nothing needs doing
    # Need to check if firewall is in use
    - skip_ansible_lint

- name: Determine if firewalld is active
  shell: systemctl is-active firewalld.service | egrep -vq 'inactive|unknown'
  ignore_errors: true
  register: firewalld_is_active
  no_log: true
  tags:
    # Skip ANSIBLE0012 Commands should not change things if nothing needs doing
    # Need to check if firewall is active
    - skip_ansible_lint

- name: (shaker) Determine if TCP/{{shaker_port}} is already active
  shell: firewall-cmd --list-ports | egrep -q "^{{shaker_port}}/tcp"
  ignore_errors: true
  register: firewalld_shaker_port_exists
  no_log: true
  tags:
    # Skip ANSIBLE0012 Commands should not change things if nothing needs doing
    # Need to check if port is already active
    - skip_ansible_lint

- name: (browbeat_results) Determine if TCP/{{browbeat_results_port}} is already active
  shell: firewall-cmd --list-ports | egrep -q "^{{browbeat_results_port}}/tcp"
  ignore_errors: true
  register: firewalld_browbeat_results_port_exists
  no_log: true
  tags:
    # Skip ANSIBLE0012 Commands should not change things if nothing needs doing
    # Need to check if port is already active
    - skip_ansible_lint

# add firewall rule via firewalld module
- name: (shaker) Add firewall rule for TCP/{{shaker_port}} (firewalld)
  firewalld:
    port: "{{ shaker_port }}/tcp"
    state: enabled
    zone: public
    permanent: true
    immediate: true
  become: true
  when: firewalld_in_use.rc == 0 and firewalld_is_active.rc == 0 and firewalld_shaker_port_exists.rc != 0

- name: (browbeat_results) Add firewall rule for TCP/{{browbeat_results_port}} (firewalld)
  firewalld:
    port: "{{ browbeat_results_port }}/tcp"
    state: enabled
    zone: public
    permanent: true
    immediate: true
  become: true
  when: browbeat_results_in_httpd and firewalld_in_use.rc == 0 and firewalld_is_active.rc == 0 and firewalld_browbeat_results_port_exists.rc != 0

# iptables-services
- name: (shaker) check firewall rules for TCP/{{shaker_port}} (iptables-services)
  shell: "grep \"dport {{shaker_port}} \\-j ACCEPT\" {{iptables_file}} | wc -l"
  ignore_errors: true
  become: true
  register: iptables_shaker_port_exists
  no_log: true
  tags:
    # Skip ANSIBLE0012 Commands should not change things if nothing needs doing
    # Need to check if port is already active
    - skip_ansible_lint

- name: (browbeat_results) Check firewall rules for TCP/{{browbeat_results_port}} (iptables-services)
  shell: "grep \"dport {{browbeat_results_port}} \\-j ACCEPT\" {{iptables_file}} | wc -l"
  when: browbeat_results_in_httpd
  ignore_errors: true
  become: true
  register: iptables_browbeat_results_port_exists
  no_log: true
  tags:
    # Skip ANSIBLE0012 Commands should not change things if nothing needs doing
    # Need to check if port is already active
    - skip_ansible_lint

- name: check if iptables rules exist
  stat:
    path: "{{ iptables_file }}"
  register: iptables_file_present

- name: (shaker) Add firewall rule for TCP/{{shaker_port}} (iptables-services)
  lineinfile:
    dest: "{{iptables_file}}"
    line: '-A INPUT -p tcp -m tcp --dport {{shaker_port}} -j ACCEPT'
    insertbefore: '^-A INPUT -i lo'
    backup: yes
  become: true
  when: firewalld_in_use.rc != 0 and firewalld_is_active.rc != 0 and iptables_shaker_port_exists.stdout|int == 0 and iptables_file_present.stat.exists
  notify:
    - restart iptables

- name: (browbeat_results) Add firewall rule for TCP/{{browbeat_results_port}} (iptables-services)
  lineinfile:
    dest: "{{iptables_file}}"
    line: '-A INPUT -p tcp -m tcp --dport {{browbeat_results_port}} -j ACCEPT'
    insertbefore: '^-A INPUT -i lo'
    backup: yes
  become: true
  when: browbeat_results_in_httpd and firewalld_in_use.rc != 0 and firewalld_is_active.rc != 0 and iptables_browbeat_results_port_exists.stdout|int == 0 and iptables_file_present.stat.exists
  notify:
    - restart iptables