openstack-ansible-security/tasks/file_perms.yml

---
# Copyright 2015, Rackspace US, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

- name: V-38443 - The /etc/gshadow file must be owned by root
  file:
    dest: /etc/gshadow
    owner: root
  tags:
    - file_perms
    - cat2
    - V-38443

- name: V-38448 - The /etc/gshadow file must be group-owned by root
  file:
    dest: /etc/gshadow
    group: root
  tags:
    - file_perms
    - cat2
    - V-38448

- name: V-38449 - The /etc/gshadow file must have mode 0000
  file:
    dest: /etc/gshadow
    mode: 0000
  tags:
    - file_perms
    - cat2
    - V-38449

- name: V-38458 - The /etc/group file must be owned by root
  file:
    dest: /etc/group
    owner: root
  tags:
    - file_perms
    - cat2
    - V-38458

- name: V-38459 - The /etc/group file must be group-owned by root
  file:
    dest: /etc/group
    group: root
  tags:
    - file_perms
    - cat2
    - V-38459

- name: V-38461 - The /etc/group file must have mode 0644 or less
  file:
    dest: /etc/group
    mode: 0644
  tags:
    - file_perms
    - cat2
    - V-38461

# NOTE(mhayden): The log directory permissions change each time auditd is
# restarted. This causes the idempotent checks to fail and that's why there is
# a 'changed_when: False' on this task.
- name: V-38493 - Audit log directories must have mode 0755 or less
  file:
    dest: /var/log/audit/
    state: directory
    mode: 0750
  changed_when: False
  tags:
    - file_perms
    - cat2
    - V-38493

- name: V-38502 - The /etc/shadow file must be owned by root
  file:
    dest: /etc/shadow
    owner: root
  tags:
   - file_perms
   - cat2
   - V-38502

- name: V-38503 - The /etc/shadow file must be group-owned by root
  file:
    dest: /etc/shadow
    group: root
  tags:
   - file_perms
   - cat2
   - V-38503

- name: V-38504 - The /etc/shadow file must have mode 0000
  file:
    dest: /etc/shadow
    mode: 0000
  tags:
   - file_perms
   - cat2
   - V-38504

# This change will go into effect on the next log rotation.
- name: V-38623 - All rsyslog-generated files must have mode 0600 or less
  lineinfile:
    dest: /etc/rsyslog.conf
    regexp: "^(#)?\\$FileCreateMode"
    line: "$FileCreateMode 0600"
  notify:
    - restart rsyslog
  tags:
    - file_perms
    - cat2
    - V-38623

# BEGIN: UMASK ADJUSTMENTS ####################################################
# Please read the documentation and the comments in defaults/main.yml prior
# to making any umask-related changes.

# Ubuntu 14.04's default umask in /etc/init.d/rc is 022 already.
- name: V-38642 - System default umask for daemons must be 027 or 022
  lineinfile:
    dest: /etc/init.d/rc
    regexp: "^umask "
    line: "umask {{ security_umask_daemons_init }}"
  when: security_umask_daemons_init is defined
  tags:
    - file_perms
    - cat3
    - V-38642

# Ubuntu 14.04's default umask in /etc/login.defs is 022
- name: V-38645 - System default umask in /etc/login.defs must be 077
  lineinfile:
    dest: /etc/login.defs
    regexp: "^UMASK"
    line: "UMASK {{ security_umask_login_defs }}"
  when: security_umask_login_defs is defined
  tags:
    - file_perms
    - cat3
    - V-38645

# Ubuntu 14.04 and openstack-ansible don't install csh by default. We will
# check if csh is installed and then apply the umask setting if needed.
- name: Check if csh is installed (for V-38649)
  shell: dpkg --status csh | grep ^Status | grep "ok installed"
  register: v38649_result
  changed_when: False
  failed_when: False
  when: security_umask_csh is defined
  tags:
    - file_perms
    - cat3
    - V-38649

- name: V-38649 - System default umask for csh must be 077
  lineinfile:
    dest: /etc/csh.cshrc
    regexp: "^(#)?umask"
    line: "umask {{ security_umask_csh }}"
    create: yes
  when: security_umask_csh is defined and v38649_result.rc == 0
  tags:
    - file_perms
    - cat3
    - V-38649

- name: V-38651 - System default umask for bash must be 077
  lineinfile:
    dest: /etc/bash.bashrc
    regexp: "^(#)?umask"
    line: "umask {{ security_umask_bash }}"
  when: security_umask_bash is defined
  tags:
    - file_perms
    - cat3
    - V-38651

# END: UMASK ADJUSTMENTS ######################################################