141 lines
4.1 KiB
YAML
141 lines
4.1 KiB
YAML
---
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# Copyright 2016, Rackspace US, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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- name: Verify that AIDE configuration directory exists
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stat:
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path: "{{ item }}"
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register: aide_conf
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check_mode: no
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with_items:
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- /etc/aide/aide.conf.d
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- /etc/aide.conf
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tags:
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- always
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- name: Exclude certain directories from AIDE
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template:
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src: ZZ_aide_exclusions.j2
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dest: /etc/aide/aide.conf.d/ZZ_aide_exclusions
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when: aide_conf.results[0].stat.exists | bool
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tags:
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- medium
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- aide
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- V-71973
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# NOTE(mhayden): CentOS/RHEL already provide a very strict AIDE configuration
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# that meets the requirements of V-72069 and V-72071. That config
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# is borrowed for Ubuntu 16.04 here.
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- name: Configure AIDE to verify additional properties (Ubuntu)
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blockinfile:
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dest: "/etc/aide/aide.conf"
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insertbefore: EOF
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marker: "# {mark} MANAGED BY ANSIBLE-HARDENING"
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block: |
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# Rules borrowed from CentOS/RHEL AIDE configuration
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# (SELinux was removed for Ubuntu compatibility.)
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FIPSR = p+i+n+u+g+s+m+c+acl+xattrs+sha256
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NORMAL = FIPSR+sha512
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# The following two lines apply the NORMAL rule (above this line) to the
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# /bin and /sbin directories to meet the requirements of two STIG controls:
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#
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# V-72069 - Verify ACLs
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# V-72071 - Verify extended attributes
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#
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/bin NORMAL
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/sbin NORMAL
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when:
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- aide_conf.results[0].stat.exists | bool
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- ansible_os_family | lower == 'debian'
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tags:
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- low
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- aide
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- V-72069
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- V-72071
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- V-72073
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# NOTE(hwoarang): Add acl and xattrs on SUSE to meet V-72069 and V-72071.
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- name: Configure AIDE to verify additional properties (SUSE)
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lineinfile:
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dest: "/etc/aide.conf"
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regexp: '(^Binlib.*= )'
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line: '\1p+i+n+u+g+s+b+m+c+sha256+sha512+acl+xattrs'
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state: present
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backrefs: yes
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when:
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- aide_conf.results[1].stat.exists | bool
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- ansible_pkg_mgr == 'zypper'
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tags:
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- low
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- aide
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- V-72069
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- V-72071
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- V-72073
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- name: Check to see if AIDE database is already in place
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stat:
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path: "{{ aide_database_file }}"
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register: aide_database
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check_mode: no
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tags:
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- always
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- name: Initialize AIDE (this will take a few minutes)
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# NOTE(hwoarang): aideinit is an Ubuntu wrapper. An alternative
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# would be to use aideinit || aide -i but that will possibly mask
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# genuine aideinit failures.
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shell: "if test -x /usr/sbin/aideinit; then aideinit; else aide -i; fi"
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changed_when: false
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register: aide_init
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when:
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- aide_conf.results[0].stat.exists | bool or aide_conf.results[1].stat.exists | bool
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- not aide_database.stat.exists | bool
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- security_rhel7_initialize_aide | bool
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tags:
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- medium
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- aide
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- V-71973
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# NOTE(mhayden): This is only needed for CentOS 7, RHEL 7 and SUSE since Ubuntu
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# copies the new AIDE database into place automatically with its AIDE wrapper
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# script.
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- name: Move AIDE database into place
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command: "mv {{ aide_database_out_file }} {{ aide_database_file }}"
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changed_when: false
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when:
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- not aide_init | skipped
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- ansible_pkg_mgr in ['yum', 'zypper']
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tags:
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- medium
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- aide
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- V-71973
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# NOTE(mhayden): This is only needed for CentOS 7, RHEL 7 and SUSE since the AIDE
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# package doesn't come with a cron job file. Ubuntu packages a cron job for
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# AIDE checks already.
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- name: Create AIDE cron job
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cron:
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name: aide
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cron_file: aide
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user: root
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special_time: daily
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job: "/sbin/aide --check | /bin/mail -s \"$HOSTNAME - Daily aide integrity check run\" root"
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when:
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- ansible_pkg_mgr in ['yum', 'zypper']
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tags:
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- medium
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- aide
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- V-71975
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