Changes to syscheck options and centralized configuration

* Perform more checks before enable agentlessd, authd a csyslog output.
* Add a rule and active-respose action to restart agents after
successfully retrieve agent.conf file from the Wazuh manager.

ansible-wazuh-agent/defaults/main.yml

@@ -7,9 +7,12 @@ wazuh_register_client: false
 wazuh_notify_time: null
 wazuh_time_reconnect: null
 wazuh_agent_config:
+  log_format: 'plain'
   syscheck:
     frequency: 43200
     scan_on_start: 'yes'
+    auto_ignore: 'no'
+    alert_new_files: 'yes'
     ignore:
       - /etc/mtab
       - /etc/mnttab

ansible-wazuh-agent/tasks/RMDebian.yml

@@ -1,4 +1,5 @@
 ---
-- apt_repository:
+- name: Remove Wazuh repository (and clean up left-over metadata)
+  apt_repository:
     repo: deb https://packages.wazuh.com/apt {{ ansible_distribution_release }} main
     state: absent

ansible-wazuh-agent/templates/var-ossec-etc-ossec-agent.conf.j2

@@ -25,6 +25,10 @@
     {% endif %}
   </client>
 
+  <logging>
+    <log_format>{{ wazuh_agent_config.log_format }}</log_format>
+  </logging>
+
   <rootcheck>
     <disabled>no</disabled>
     <check_unixaudit>yes</check_unixaudit>
@@ -51,6 +55,8 @@
   </rootcheck>
 
   <syscheck>
+    <auto_ignore>{{ wazuh_agent_config.syscheck.auto_ignore }}</auto_ignore>
+    <alert_new_files>{{ wazuh_agent_config.syscheck.alert_new_files }}</alert_new_files>
     <!-- Frequency that syscheck is executed -- default every 20 hours -->
     <frequency>{{ wazuh_agent_config.syscheck.frequency }}</frequency>
     <scan_on_start>{{ wazuh_agent_config.syscheck.scan_on_start }}</scan_on_start>

ansible-wazuh-manager/defaults/main.yml

@@ -5,6 +5,7 @@ wazuh_manager_config:
   json_output: 'yes'
   alerts_log: 'yes'
   logall: 'no'
+  log_format: 'plain'
   connection:
     - type: 'secure'
       port: '1514'
@@ -52,6 +53,8 @@ wazuh_manager_config:
   syscheck:
     frequency: 43200
     scan_on_start: 'yes'
+    auto_ignore: 'no'
+    alert_new_files: 'yes'
     ignore:
       - /etc/mtab
       - /etc/mnttab
@@ -124,6 +127,9 @@ wazuh_manager_config:
       expect: 'srcip'
       timeout_allowed: 'yes'
   active_responses:
+    - command: 'restart-ossec'
+      location: 'local'
+      rules_id: 710001
     - command: 'host-deny'
       location: 'local'
       level: 6
@@ -135,10 +141,12 @@ wazuh_manager_config:
 
 wazuh_agent_configs:
   - type: os
-    type_value: linux
+    type_value: Linux
     syscheck:
       frequency: 43200
       scan_on_start: 'yes'
+      auto_ignore: 'no'
+      alert_new_files: 'yes'
       ignore:
       - /etc/mtab
       - /etc/mnttab

ansible-wazuh-manager/tasks/main.yml

@@ -63,7 +63,7 @@
 - name: Configure the shared-agent.conf
   template: src=var-ossec-etc-shared-agent.conf.j2
             dest=/var/ossec/etc/shared/agent.conf
-            owner=root
+            owner=ossec
             group=ossec
             mode=0640
   notify: restart wazuh-manager
@@ -71,65 +71,80 @@
     - init
     - config
 
-- name: Check if client-syslog is enabled
+- name: Retrieving Agentless Credentials
-  shell: "/var/ossec/bin/ossec-control status | grep -c 'ossec-csyslogd is running' | xargs echo"
+  include_vars: agentless_creeds.yml
-  register: csyslog_running
+  tags:
-  changed_when: False
+    - config
-
-- name: Enable client-syslog
-  command: /var/ossec/bin/ossec-control enable client-syslog
-  when:
-    - csyslog_running.stdout == '0'
-    - wazuh_manager_config.syslog_outputs.server is not none
-
-- name: Start client-syslog
-  command: /var/ossec/bin/ossec-control start client-syslog
-  when:
-    - csyslog_running.stdout == '0'
-    - wazuh_manager_config.syslog_outputs.server is not none
-
-- name: Check if ossec-agentlessd is enabled
-  shell: "/var/ossec/bin/ossec-control status | grep -c 'ossec-agentlessd is running' | xargs echo"
-  register: agentless_running
-  changed_when: False
-
-- name: Enable ossec-agentlessd
-  command: /var/ossec/bin/ossec-control enable agentless
-  when: agentless_running.stdout == '0' and agentless_creeds is defined
-
-- name: Start ossec-agentlessd
-  command: /var/ossec/bin/ossec-control start agentless
-  when: agentless_running.stdout == '0' and agentless_creeds is defined
-
-- name: Check if ossec-authd is enabled
-  shell: "/var/ossec/bin/ossec-control status | grep -c 'ossec-authd is running' | xargs echo"
-  register: authd_running
-  changed_when: False
-
-- name: Enable ossec-authd
-  command: /var/ossec/bin/ossec-control enable auth
-  when:
-    - authd_running.stdout == '0'
-    - wazuh_manager_config.authd.enable == true
-
-- name: Start ossec-authd
-  command: /var/ossec/bin/ossec-control start auth
-  when:
-    - authd_running.stdout == '0'
-    - wazuh_manager_config.authd.enable == true
 
 - name: Retrieving authd Credentials
   include_vars: authd_pass.yml
   tags:
     - config
 
-- name: Retrieving Agentless Credentials
+- name: Retrieving Wazuh-api User Credentials
-  include_vars: agentless_creeds.yml
+  include_vars: wazuh_api_creds.yml
   tags:
     - config
 
-- name: Retrieving Wazuh-api User Credentials
+- name: Check if syslog output is enabled
-  include_vars: wazuh_api_creds.yml
+  set_fact: syslog_output=true
+  when: item.server is not none
+  with_items:
+    - "{{ wazuh_manager_config.syslog_outputs }}"
+  tags:
+    - config
+
+- name: Check if client-syslog is enabled
+  shell: "grep -c 'ossec-csyslogd' /var/ossec/bin/.process_list | xargs echo"
+  args:
+    removes: /var/ossec/bin/.process_list
+  changed_when: False
+  register: csyslog_enabled
+  tags:
+    - config
+
+- name: Enable client-syslog
+  command: /var/ossec/bin/ossec-control enable client-syslog
+  notify: restart wazuh-manager
+  when:
+    - csyslog_enabled.stdout == '0' or "skipped" in csyslog_enabled.stdout
+    - syslog_output is defined and syslog_output == true
+  tags:
+    - config
+
+- name: Check if ossec-agentlessd is enabled
+  shell: "grep -c 'ossec-agentlessd' /var/ossec/bin/.process_list | xargs echo"
+  args:
+    removes: /var/ossec/bin/.process_list
+  changed_when: False
+  register: agentlessd_enabled
+  tags:
+    - config
+
+- name: Enable ossec-agentlessd
+  command: /var/ossec/bin/ossec-control enable agentless
+  notify: restart wazuh-manager
+  when:
+    - agentlessd_enabled.stdout == '0' or "skipped" in agentlessd_enabled.stdout
+    - agentless_creeds is defined
+  tags:
+    - config
+
+- name: Check if ossec-authd is enabled
+  shell: "grep -c 'ossec-authd' /var/ossec/bin/.process_list | xargs echo"
+  args:
+    removes: /var/ossec/bin/.process_list
+  changed_when: False
+  register: authd_enabled
+  tags:
+    - config
+
+- name: Enable ossec-authd
+  command: /var/ossec/bin/ossec-control enable auth
+  notify: restart wazuh-manager
+  when:
+    - authd_enabled.stdout == '0' or "skipped" in authd_enabled.stdout
+    - wazuh_manager_config.authd.enable == true
   tags:
     - config
 
@@ -164,7 +179,7 @@
   notify: restart wazuh-manager
   when:
     - wazuh_manager_config.authd.use_password is defined
-    - wazuh_manager_config.authd.use_password == true
+    - wazuh_manager_config.authd.use_password == 'yes'
   tags:
     - config
 
@@ -178,6 +193,8 @@
   no_log: true
   notify: restart wazuh-api
   when: wazuh_api_user is defined
+  tags:
+    - config
 
 - name: Agentless Hosts & Passwd
   template:
@@ -188,10 +205,14 @@
     mode: 0644
   no_log: true
   when: agentless_creeds is defined
+  tags:
+    - config
 
 - name: Encode the secret
   shell: /usr/bin/base64 /var/ossec/agentless/.passlist_tmp > /var/ossec/agentless/.passlist && rm /var/ossec/agentless/.passlist_tmp
   when: agentless_creeds is defined
+  tags:
+    - config
 
 - name: Ensure Wazuh Manager, wazuh api service is started and enabled
   service:

ansible-wazuh-manager/templates/var-ossec-etc-ossec-server.conf.j2

@@ -22,6 +22,10 @@
     <email_from>{{ wazuh_manager_config.mail_from }}</email_from>
   </global>
 
+  <logging>
+    <log_format>{{ wazuh_manager_config.log_format }}</log_format>
+  </logging>
+
 {% if wazuh_manager_config.authd.enable == true %}
   <auth>
     <disabled>no</disabled>
@@ -128,6 +132,8 @@
   </rootcheck>
 
   <syscheck>
+    <auto_ignore>{{ wazuh_manager_config.syscheck.auto_ignore }}</auto_ignore>
+    <alert_new_files>{{ wazuh_manager_config.syscheck.alert_new_files }}</alert_new_files>
     <!-- Frequency that syscheck is executed -- default every 20 hours -->
     <frequency>{{ wazuh_manager_config.syscheck.frequency }}</frequency>
     <scan_on_start>{{ wazuh_manager_config.syscheck.scan_on_start }}</scan_on_start>

ansible-wazuh-manager/templates/var-ossec-etc-shared-agent.conf.j2

@@ -1,7 +1,10 @@
+#jinja2: trim_blocks: False
 {% if wazuh_agent_configs is defined %}
 {% for agent_config in wazuh_agent_configs %}
 <agent_config {{ agent_config.type }}="{{ agent_config.type_value }}">
   <syscheck>
+    <auto_ignore>{{ agent_config.syscheck.auto_ignore }}</auto_ignore>
+    <alert_new_files>{{ agent_config.syscheck.alert_new_files }}</alert_new_files>
     <!-- Frequency that syscheck is executed -- default every 20 hours -->
     <frequency>{{ agent_config.syscheck.frequency }}</frequency>
     <scan_on_start>{{ agent_config.syscheck.scan_on_start }}</scan_on_start>

ansible-wazuh-manager/templates/var-ossec-rules-local_rules.xml.j2

@@ -1,5 +1,17 @@
 <!-- Local rules -->
 
+<!--
+Used with active-response to restart an agent when agent.conf file
+is successfully retrieved.
+-->
+<group name="local,ossec,">
+  <rule id="710001" level="1">
+    <if_group>syscheck</if_group>
+    <match>/var/ossec/etc/shared/agent.conf</match>
+    <description>agent.conf was modified</description>
+  </rule>
+</group>
+
 <!-- Modify it at your will. -->
 
 <!-- Example -->