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Add ClamAV integration and AppArmor configuration for Samba virusfilter support

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This commit is contained in:
Christoph
2026-05-26 02:18:17 +02:00
parent 6b684e5d54
commit 91bda857dc
3 changed files with 120 additions and 61 deletions
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roles/common/handlers/main.yml
+8
View File
@@ -109,3 +109,11 @@
service: service:
name: nfs-kernel-server name: nfs-kernel-server
state: restarted 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-install.yml
+82 -37
View File
@@ -6,25 +6,25 @@
- name: (samba-install.yml) Ensure samba packages server (buster) are installed. - name: (samba-install.yml) Ensure samba packages server (buster) are installed.
package: package:
pkg: '{{ apt_install_server_samba }}' pkg: "{{ apt_install_server_samba }}"
state: present state: present
when: when:
- "groups['samba_server']|string is search(inventory_hostname)" - "groups['samba_server']|string is search(inventory_hostname)"
tags: tags:
- samba-server - samba-server
# --- # ---
# Virusfilter (ClamAV) — only when at least one share has vfs_object_virusfilter: true # Virusfilter (ClamAV) — only when at least one share has vfs_object_virusfilter: true
# --- # ---
- name: (samba-install.yml) Ensure virusfilter (ClamAV) packages are installed - name: (samba-install.yml) Ensure virusfilter (ClamAV) packages are installed
package: package:
pkg: '{{ apt_install_server_samba_virusfilter }}' pkg: "{{ apt_install_server_samba_virusfilter }}"
state: present state: present
when: when:
- "groups['samba_server']|string is search(inventory_hostname)" - "groups['samba_server']|string is search(inventory_hostname)"
- samba_shares | selectattr('vfs_object_virusfilter', 'defined') | selectattr('vfs_object_virusfilter', 'equalto', true) | list | length > 0 - samba_shares | selectattr('vfs_object_virusfilter', 'defined') |
selectattr('vfs_object_virusfilter', 'equalto', true) | list | length > 0
tags: tags:
- samba-server - samba-server
- samba-virusfilter - samba-virusfilter
@@ -34,32 +34,83 @@
path: /data/samba/QUARANTINE path: /data/samba/QUARANTINE
owner: root owner: root
group: root group: root
mode: '0750' mode: "0750"
state: directory state: directory
when: when:
- "groups['samba_server']|string is search(inventory_hostname)" - "groups['samba_server']|string is search(inventory_hostname)"
- samba_shares | selectattr('vfs_object_virusfilter', 'defined') | selectattr('vfs_object_virusfilter', 'equalto', true) | list | length > 0 - samba_shares | selectattr('vfs_object_virusfilter', 'defined') |
selectattr('vfs_object_virusfilter', 'equalto', true) | list | length > 0
tags: tags:
- samba-server - samba-server
- samba-virusfilter - samba-virusfilter
- name: (samba-install.yml) Ensure clamav user is member of all NIS groups
user:
name: clamav
groups: "{{ item.name }}"
append: yes
loop: "{{ nis_groups }}"
loop_control:
label: "{{ item.name }}"
when:
- "groups['samba_server']|string is search(inventory_hostname)"
- samba_shares | selectattr('vfs_object_virusfilter', 'defined') |
selectattr('vfs_object_virusfilter', 'equalto', true) | list | length > 0
- nis_groups | length > 0
tags:
- samba-server
- samba-virusfilter
- name: (samba-install.yml) Configure AppArmor local profile for clamd (data paths)
blockinfile:
path: /etc/apparmor.d/local/usr.sbin.clamd
create: yes
owner: root
group: root
mode: "0644"
marker: "# {mark} ANSIBLE MANAGED - smba virusfilter paths"
block: |
/data/** r,
/data/samba/QUARANTINE/** rw,
notify: Reload AppArmor profile clamd
when:
- "groups['samba_server']|string is search(inventory_hostname)"
- 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) Ensure AllowAllMatchScan is enabled in clamd.conf
lineinfile:
path: /etc/clamav/clamd.conf
regexp: "^#?\\s*AllowAllMatchScan\\s"
line: "AllowAllMatchScan true"
state: present
notify: Restart clamav-daemon
when:
- "groups['samba_server']|string is search(inventory_hostname)"
- 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) Ensure samba share directories exists - name: (samba-install.yml) Ensure samba share directories exists
file: file:
path: "{{ item.path }}" path: "{{ item.path }}"
owner: "root" owner: "root"
group: "{{ item.group_write_list }}" group: "{{ item.group_write_list }}"
mode: '2770' mode: "2770"
state: directory state: directory
with_items: "{{ samba_shares }}" with_items: "{{ samba_shares }}"
loop_control: loop_control:
label: '{{ item.name }}' label: "{{ item.name }}"
when: when:
- "groups['samba_server']|string is search(inventory_hostname)" - "groups['samba_server']|string is search(inventory_hostname)"
tags: tags:
- samba-shares - samba-shares
# --- # ---
# /etc/samba/smb.conf # /etc/samba/smb.conf
# --- # ---
@@ -81,14 +132,13 @@
tags: tags:
- samba-server - samba-server
- name: (samba-install.yml) /etc/samba/smb.conf - name: (samba-install.yml) /etc/samba/smb.conf
template: template:
dest: /etc/samba/smb.conf dest: /etc/samba/smb.conf
src: etc/samba/smb.conf.j2 src: etc/samba/smb.conf.j2
owner: root owner: root
group: root group: root
mode: 0644 mode: 644
when: when:
- "groups['samba_server']|string is search(inventory_hostname)" - "groups['samba_server']|string is search(inventory_hostname)"
notify: notify:
@@ -97,14 +147,13 @@
tags: tags:
- samba-server - samba-server
- name: (samba-install.yml) Ensure file /etc/samba/users.map exists - name: (samba-install.yml) Ensure file /etc/samba/users.map exists
copy: copy:
src: "{{ role_path + '/files/etc/samba/users.map' }}" src: "{{ role_path + '/files/etc/samba/users.map' }}"
dest: /etc/samba/users.map dest: /etc/samba/users.map
owner: root owner: root
group: root group: root
mode: 0644 mode: 644
when: when:
- "groups['samba_server']|string is search(inventory_hostname)" - "groups['samba_server']|string is search(inventory_hostname)"
notify: notify:
@@ -113,12 +162,12 @@
tags: tags:
- samba-server - samba-server
# --- # ---
# Cronjob for cleaning up samba trash dirs # Cronjob for cleaning up samba trash dirs
# --- # ---
- name: (samba-install.yml) Check if file '/root/bin/samba/clean_samba_trash.sh' exists - name: (samba-install.yml) Check if file '/root/bin/samba/clean_samba_trash.sh'
exists
stat: stat:
path: /root/bin/samba/clean_samba_trash.sh path: /root/bin/samba/clean_samba_trash.sh
register: clean_samba_trash_exists register: clean_samba_trash_exists
@@ -128,7 +177,7 @@
- samba-server - samba-server
- name: (samba-install.yml) Adjust configuration for script 'clean_samba_trash.sh' - name: (samba-install.yml) Adjust configuration for script 'clean_samba_trash.sh'
template: template:
dest: /root/bin/samba/conf/clean_samba_trash.conf dest: /root/bin/samba/conf/clean_samba_trash.conf
src: root/bin/samba/conf/clean_samba_trash.conf.j2 src: root/bin/samba/conf/clean_samba_trash.conf.j2
when: when:
@@ -137,20 +186,18 @@
tags: tags:
- samba-server - samba-server
- name: (samba-config-server.yml) Check if cleaning up trash dirs is configured - name: (samba-config-server.yml) Check if cleaning up trash dirs is configured
ansible.builtin.lineinfile: ansible.builtin.lineinfile:
path: /root/bin/samba/conf/clean_samba_trash.conf path: /root/bin/samba/conf/clean_samba_trash.conf
regexp: '^trash_dirs=*' regexp: "^trash_dirs=*"
state: absent state: absent
check_mode: true check_mode: true
changed_when: false changed_when: false
register: clean_samba_trash_dirs register: clean_samba_trash_dirs
when: when:
- inventory_hostname in groups['samba_server'] - inventory_hostname in groups['samba_server']
tags: [samba-server, samba-cron] tags: [ samba-server, samba-cron ]
- name: (samba-config-server.yml) Creates a cron job for cleaning up samba trash dirs - name: (samba-config-server.yml) Creates a cron job for cleaning up samba trash dirs
ansible.builtin.cron: ansible.builtin.cron:
name: "{{ samba_cronjob_trash_dirs.name }}" name: "{{ samba_cronjob_trash_dirs.name }}"
@@ -165,33 +212,33 @@
- inventory_hostname in groups['samba_server'] - inventory_hostname in groups['samba_server']
- clean_samba_trash_exists.stat.exists | bool - clean_samba_trash_exists.stat.exists | bool
- (clean_samba_trash_dirs.found | int) > 0 - (clean_samba_trash_dirs.found | int) > 0
tags: [samba-server, samba-cron] tags: [ samba-server, samba-cron ]
# --- # ---
# Cronjob for setting permissions on samba shares # Cronjob for setting permissions on samba shares
# --- # ---
- name: (samba-config-server.yml) Check if file '/root/bin/samba/set_permissions_samba_shares.sh' exists - name: (samba-config-server.yml) Check if file
'/root/bin/samba/set_permissions_samba_shares.sh' exists
ansible.builtin.stat: ansible.builtin.stat:
path: /root/bin/samba/set_permissions_samba_shares.sh path: /root/bin/samba/set_permissions_samba_shares.sh
register: set_permissions_on_samba_shares_exists register: set_permissions_on_samba_shares_exists
when: when:
- inventory_hostname in groups['samba_server'] - inventory_hostname in groups['samba_server']
tags: [samba-server, samba-cron] tags: [ samba-server, samba-cron ]
- name: (samba-config-server.yml) Adjust configuration for script 'set_permissions_samba_shares.sh' - name: (samba-config-server.yml) Adjust configuration for script
'set_permissions_samba_shares.sh'
ansible.builtin.template: ansible.builtin.template:
dest: /root/bin/samba/conf/set_permissions_samba_shares.conf dest: /root/bin/samba/conf/set_permissions_samba_shares.conf
src: root/bin/samba/conf/set_permissions_samba_shares.conf.j2 src: root/bin/samba/conf/set_permissions_samba_shares.conf.j2
when: when:
- inventory_hostname in groups['samba_server'] - inventory_hostname in groups['samba_server']
- set_permissions_on_samba_shares_exists.stat.exists | bool - set_permissions_on_samba_shares_exists.stat.exists | bool
tags: [samba-server, samba-cron] tags: [ samba-server, samba-cron ]
- name: (samba-config-server.yml) Creates a cron job for setting permissions to
- name: (samba-config-server.yml) Creates a cron job for setting permissions to samba dirs samba dirs
ansible.builtin.cron: ansible.builtin.cron:
name: "{{ samba_cronjob_permissions.name }}" name: "{{ samba_cronjob_permissions.name }}"
minute: "{{ samba_cronjob_permissions.minute }}" minute: "{{ samba_cronjob_permissions.minute }}"
@@ -203,9 +250,8 @@
job: "{{ samba_cronjob_permissions.job }}" job: "{{ samba_cronjob_permissions.job }}"
when: when:
- inventory_hostname in groups['samba_server'] - inventory_hostname in groups['samba_server']
- (clean_samba_trash_dirs.found | int) > 0 # << int -> bool - (clean_samba_trash_dirs.found | int) > 0 # << int -> bool
tags: [samba-server, samba-cron] tags: [ samba-server, samba-cron ]
# --- # ---
# Samba clients # Samba clients
@@ -215,9 +261,8 @@
package: package:
pkg: "{{ apt_install_client_samba }}" pkg: "{{ apt_install_client_samba }}"
state: present state: present
when: when:
- "groups['nis_client']|string is search(inventory_hostname)" - "groups['nis_client']|string is search(inventory_hostname)"
- ansible_distribution == "Ubuntu" - ansible_distribution == "Ubuntu"
tags: tags:
- samba-client - samba-client
roles/common/templates/etc/samba/smb.conf.j2
+30 -24
View File
@@ -6,7 +6,7 @@
# #
# This is the main Samba configuration file. You should read the # This is the main Samba configuration file. You should read the
# smb.conf(5) manual page in order to understand the options listed # smb.conf(5) manual page in order to understand the options listed
# here. Samba has a huge number of configurable options most of which # here. Samba has a huge number of configurable options most of which
# are not shown in this example # are not shown in this example
# #
# Some options that are often worth tuning have been included as # Some options that are often worth tuning have been included as
@@ -18,8 +18,8 @@
# enough to be mentioned here # enough to be mentioned here
# #
# NOTE: Whenever you modify this file you should run the command # NOTE: Whenever you modify this file you should run the command
# "testparm" to check that you have not made any basic syntactic # "testparm" to check that you have not made any basic syntactic
# errors. # errors.
#======================= Global Settings ======================= #======================= Global Settings =======================
@@ -31,11 +31,11 @@
; workgroup = WORKGROUP ; workgroup = WORKGROUP
workgroup = {{ samba_workgroup|default('WORKGROUP') }} workgroup = {{ samba_workgroup|default('WORKGROUP') }}
# Option 'netbios name' added to debian's default smb.conf # Option 'netbios name' added to debian's default smb.conf
# #
# This sets the NetBIOS name by which a Samba server is known. By default it # This sets the NetBIOS name by which a Samba server is known. By default it
# is the same as the first component of the host's DNS name. If a machine is # is the same as the first component of the host's DNS name. If a machine is
# a browse server or logon server this name (or the first component of the # a browse server or logon server this name (or the first component of the
# hosts DNS name) will be the name that these services are advertised under. # hosts DNS name) will be the name that these services are advertised under.
# #
# Note that the maximum length for a NetBIOS name is 15 characters. # Note that the maximum length for a NetBIOS name is 15 characters.
@@ -46,9 +46,9 @@
{% if samba_server_min_protocol is defined and samba_server_min_protocol|length > 0 %} {% if samba_server_min_protocol is defined and samba_server_min_protocol|length > 0 %}
# This setting controls the minimum protocol version that the server will allow # This setting controls the minimum protocol version that the server will allow
# the client to use. Normally this option should not be set as the automatic # the client to use. Normally this option should not be set as the automatic
# negotiation phase in the SMB protocol takes care of choosing the appropriate # negotiation phase in the SMB protocol takes care of choosing the appropriate
# protocol unless you have legacy clients which are SMB1 capable only. # protocol unless you have legacy clients which are SMB1 capable only.
# #
# See Related command: server max protocol for a full list of available protocols. # See Related command: server max protocol for a full list of available protocols.
@@ -69,7 +69,7 @@
; interfaces = 127.0.0.0/8 eth0 ; interfaces = 127.0.0.0/8 eth0
interfaces = {{ samba_server_ip }}/{{ samba_server_cidr_prefix }} 127.0.0.1/8 interfaces = {{ samba_server_ip }}/{{ samba_server_cidr_prefix }} 127.0.0.1/8
# Option 'hosts deny' and 'hosts allow' added to debian's default smb.conf # Option 'hosts deny' and 'hosts allow' added to debian's default smb.conf
hosts deny = 0.0.0.0/0 hosts deny = 0.0.0.0/0
hosts allow = 192.168.0.0/16 10.0.0.0/8 127.0.0.0/8 hosts allow = 192.168.0.0/16 10.0.0.0/8 127.0.0.0/8
@@ -80,8 +80,8 @@
# option cannot handle dynamic or non-broadcast interfaces correctly. # option cannot handle dynamic or non-broadcast interfaces correctly.
# #
# Notice: # Notice:
# If bind interfaces only is set and the network address 127.0.0.1 is not added to the # If bind interfaces only is set and the network address 127.0.0.1 is not added to the
# interfaces parameter list smbpasswd(8) may not work as expected due to the reasons # interfaces parameter list smbpasswd(8) may not work as expected due to the reasons
# covered below. # covered below.
# #
# Default: bind interfaces only = no # Default: bind interfaces only = no
@@ -92,7 +92,7 @@
# This tells Samba to use a separate log file for each machine # This tells Samba to use a separate log file for each machine
# that connects # that connects
; log file = /var/log/samba/log.%m log file = /var/log/samba/log.%m
log file = /var/log/samba/%I.log log file = /var/log/samba/%I.log
# Cap the size of the individual log files (in KiB). # Cap the size of the individual log files (in KiB).
@@ -103,13 +103,13 @@
# Append syslog@1 if you want important messages to be sent to syslog too. # Append syslog@1 if you want important messages to be sent to syslog too.
logging = file logging = file
# Option 'log level' added to debian's default smb.conf # Option 'log level' added to debian's default smb.conf
# #
# The value of the parameter (a astring) allows the debug level (logging level) to be # The value of the parameter (a astring) allows the debug level (logging level) to be
# specified in the smb.conf file. # specified in the smb.conf file.
# #
# This parameter has been extended since the 2.2.x series, now it allows one to specify # This parameter has been extended since the 2.2.x series, now it allows one to specify
# the debug level for multiple debug classes. This is to give greater flexibility in # the debug level for multiple debug classes. This is to give greater flexibility in
# the configuration of the system. # the configuration of the system.
# #
# See manpage for implemented debug classes # See manpage for implemented debug classes
@@ -125,7 +125,7 @@
####### Authentication ####### ####### Authentication #######
# Option 'ntlm auth' added to debian's default smb.conf # Option 'ntlm auth' added to debian's default smb.conf
# #
# This parameter determines whether or not smbd(8) will attempt to authenticate # This parameter determines whether or not smbd(8) will attempt to authenticate
# users using the NTLM encrypted password response for this local passdb (SAM # users using the NTLM encrypted password response for this local passdb (SAM
@@ -167,7 +167,7 @@
# Server role. Defines in which mode Samba will operate. Possible # Server role. Defines in which mode Samba will operate. Possible
# values are "standalone server", "member server", "classic primary # values are "standalone server", "member server", "classic primary
# domain controller", "classic backup domain controller", "active # domain controller", "classic backup domain controller", "active
# directory domain controller". # directory domain controller".
# #
# Most people will want "standalone server" or "member server". # Most people will want "standalone server" or "member server".
# Running as "active directory domain controller" will require first # Running as "active directory domain controller" will require first
@@ -197,7 +197,7 @@
# to anonymous connections # to anonymous connections
map to guest = bad user map to guest = bad user
# Option 'username map' added to debian's default smb.conf # Option 'username map' added to debian's default smb.conf
# #
username map = /etc/samba/users.map username map = /etc/samba/users.map
@@ -206,7 +206,7 @@
# #
# The following settings only takes effect if 'server role = primary # The following settings only takes effect if 'server role = primary
# classic domain controller', 'server role = backup domain controller' # classic domain controller', 'server role = backup domain controller'
# or 'domain logons' is set # or 'domain logons' is set
# #
# It specifies the location of the user's # It specifies the location of the user's
@@ -235,13 +235,13 @@
# password; please adapt to your needs # password; please adapt to your needs
; add user script = /usr/sbin/adduser --quiet --disabled-password --gecos "" %u ; add user script = /usr/sbin/adduser --quiet --disabled-password --gecos "" %u
# This allows machine accounts to be created on the domain controller via the # This allows machine accounts to be created on the domain controller via the
# SAMR RPC pipe. # SAMR RPC pipe.
# The following assumes a "machines" group exists on the system # The following assumes a "machines" group exists on the system
; add machine script = /usr/sbin/useradd -g machines -c "%u machine account" -d /var/lib/samba -s /bin/false %u ; add machine script = /usr/sbin/useradd -g machines -c "%u machine account" -d /var/lib/samba -s /bin/false %u
# This allows Unix groups to be created on the domain controller via the SAMR # This allows Unix groups to be created on the domain controller via the SAMR
# RPC pipe. # RPC pipe.
; add group script = /usr/sbin/addgroup --force-badname %g ; add group script = /usr/sbin/addgroup --force-badname %g
############ Misc ############ ############ Misc ############
@@ -489,7 +489,13 @@
# Scan-Zeitpunkt: nur beim Öffnen, nicht beim Schließen # Scan-Zeitpunkt: nur beim Öffnen, nicht beim Schließen
virusfilter:scan on open = yes virusfilter:scan on open = yes
virusfilter:scan on close = no virusfilter:scan on close = yes
# Fehlercode bei infizierter Datei (beim Öffnen)
virusfilter:infected file errno on open = EACCES
# Fehlercode beim Schließen
virusfilter:infected file errno on close = EACCES
# Timeouts (Millisekunden) # Timeouts (Millisekunden)
virusfilter:connect timeout = 30000 virusfilter:connect timeout = 30000