Add virusfilter support to Samba shares and configure ClamAV database checks

Ensures AppArmor profile for ClamAV is reloaded and the ClamAV daemon is restarted when necessary, improving service reliability and reflecting updated security profiles.

host_vars/file-km-neu.anw-km.netz.yml

@@ -661,6 +661,7 @@ samba_shares:
     group_write_list: a-jur
     file_create_mask: !!str 664
     dir_create_mask: !!str 2775
+    vfs_object_virusfilter: true
     vfs_object_recycle: true
     recycle_path: '@Recycle'
     vfs_object_recycle_is_visible: true
@@ -672,6 +673,7 @@ samba_shares:
     group_write_list: kanzlei
     file_create_mask: !!str 664
     dir_create_mask: !!str 2775
+    vfs_object_virusfilter: true
     vfs_object_recycle: true
     recycle_path: '@Recycle'
     vfs_object_recycle_is_visible: true
@@ -692,6 +694,7 @@ samba_shares:
     group_write_list: wildvang
     file_create_mask: !!str 660
     dir_create_mask: !!str 2770
+    vfs_object_virusfilter: true
     vfs_object_recycle: true
     recycle_path: '@Recycle'
     vfs_object_recycle_is_visible: true
@@ -703,6 +706,7 @@ samba_shares:
 #    group_write_list: aulmann
 #    file_create_mask: !!str 660
 #    dir_create_mask: !!str 2770
+#    vfs_object_virusfilter: true
 #    vfs_object_recycle: true
 #    recycle_path: '@Recycle'
 #    vfs_object_recycle_is_visible: true
@@ -714,6 +718,7 @@ samba_shares:
 #    group_write_list: howe
 #    file_create_mask: !!str 660
 #    dir_create_mask: !!str 2770
+#    vfs_object_virusfilter: true
 #    vfs_object_recycle: true
 #    recycle_path: '@Recycle'
 #    vfs_object_recycle_is_visible: true
@@ -725,6 +730,7 @@ samba_shares:
     group_write_list: stahmann
     file_create_mask: !!str 660
     dir_create_mask: !!str 2770
+    vfs_object_virusfilter: true
     vfs_object_recycle: true
     recycle_path: '@Recycle'
     vfs_object_recycle_is_visible: true
@@ -736,6 +742,7 @@ samba_shares:
     group_write_list: traine
     file_create_mask: !!str 660
     dir_create_mask: !!str 2770
+    vfs_object_virusfilter: true
     vfs_object_recycle: true
     recycle_path: '@Recycle'
     vfs_object_recycle_is_visible: true
@@ -747,6 +754,7 @@ samba_shares:
     group_write_list: public
     file_create_mask: !!str 660
     dir_create_mask: !!str 2770
+    vfs_object_virusfilter: true
     vfs_object_recycle: true
     recycle_path: '@Recycle'
     vfs_object_recycle_is_visible: true
@@ -758,6 +766,7 @@ samba_shares:
     group_write_list: advoware
     file_create_mask: !!str 660
     dir_create_mask: !!str 2770
+    vfs_object_virusfilter: true
     vfs_object_recycle: true
     recycle_path: '@Recycle'
     vfs_object_recycle_is_visible: true
@@ -769,6 +778,7 @@ samba_shares:
     group_write_list: intern
     file_create_mask: !!str 660
     dir_create_mask: !!str 2770
+    vfs_object_virusfilter: true
     vfs_object_recycle: true
     recycle_path: '@Recycle'
     vfs_object_recycle_is_visible: false
@@ -780,6 +790,7 @@ samba_shares:
     group_write_list: alle
     file_create_mask: !!str 660
     dir_create_mask: !!str 2770
+    vfs_object_virusfilter: true
     vfs_object_recycle: true
     recycle_path: '@Recycle'
     vfs_object_recycle_is_visible: true
@@ -791,6 +802,7 @@ samba_shares:
 #    group_write_list: web
 #    file_create_mask: !!str 660
 #    dir_create_mask: !!str 2770
+#    vfs_object_virusfilter: true
 #    vfs_object_recycle: true
 #    recycle_path: '@Recycle'
 

roles/common/handlers/main.yml

@@ -112,3 +112,10 @@
     daemon_reload: yes
     state: restarted
 
+- name: Reload AppArmor profile clamd
+  command: apparmor_parser -r /etc/apparmor.d/usr.sbin.clamd
+
+- name: Restart clamav-daemon
+  service:
+    name: clamav-daemon
+    state: restarted

roles/common/tasks/samba-config-server.yml

@@ -58,6 +58,43 @@
     - samba-server
     - samba-virusfilter
 
+- name: (samba-install.yml) Check if ClamAV virus databases are present
+  find:
+    paths: /var/lib/clamav
+    patterns:
+      - "*.cvd"
+      - "*.cld"
+  register: clamav_db_files
+  when:
+    - inventory_hostname in groups['samba_server']
+    - samba_shares | selectattr('vfs_object_virusfilter', 'defined') | selectattr('vfs_object_virusfilter', 'equalto', true) | list | length > 0
+  tags:
+    - samba-server
+    - samba-virusfilter
+
+- name: (samba-install.yml) Stop clamav-freshclam service before initial database download
+  service:
+    name: clamav-freshclam
+    state: stopped
+  failed_when: false
+  when:
+    - inventory_hostname in groups['samba_server']
+    - samba_shares | selectattr('vfs_object_virusfilter', 'defined') | selectattr('vfs_object_virusfilter', 'equalto', true) | list | length > 0
+    - clamav_db_files.files | length == 0
+  tags:
+    - samba-server
+    - samba-virusfilter
+
+- name: (samba-install.yml) Download initial ClamAV virus databases via freshclam
+  command: freshclam
+  when:
+    - inventory_hostname in groups['samba_server']
+    - samba_shares | selectattr('vfs_object_virusfilter', 'defined') | selectattr('vfs_object_virusfilter', 'equalto', true) | list | length > 0
+    - clamav_db_files.files | length == 0
+  tags:
+    - samba-server
+    - samba-virusfilter
+
 - name: (samba-install.yml) Ensure clamav-daemon and clamav-freshclam services are enabled
   service:
     name: "{{ item }}"