revive old tests with custom ssh settings

.github/labeler.yml

@@ -12,7 +12,9 @@ os_hardening:
 ssh_hardening:
   - 'roles/ssh_hardening/**'
   - 'molecule/ssh_hardening/**'
+  - 'molecule/ssh_hardening_custom_tests/**'
   - '.github/workflows/ssh_hardening.yml'
+  - '.github/workflows/ssh_hardening_custom_tests.yml'
 
 nginx_hardening:
   - 'roles/nginx_hardening/**'

.github/workflows/ssh_hardening_custom_tests.yml

@@ -0,0 +1,69 @@
+---
+name: "devsec.ssh_hardening with custom tests"
+on:  # yamllint disable-line rule:truthy
+  workflow_dispatch:
+  push:
+    paths:
+      - 'roles/ssh_hardening/**'
+      - 'molecule/ssh_hardening_custom_tests/**'
+      - '.github/workflows/ssh_hardening_custom_tests.yml'
+  pull_request:
+    paths:
+      - 'roles/ssh_hardening/**'
+      - 'molecule/ssh_hardening_custom_tests/**'
+      - '.github/workflows/ssh_hardening_custom_tests.yml'
+jobs:
+  build:
+    runs-on: ubuntu-18.04
+    env:
+      PY_COLORS: 1
+      ANSIBLE_FORCE_COLOR: 1
+    strategy:
+      fail-fast: false
+      matrix:
+        molecule_distro:
+          - centos7
+          - centos8
+          - rocky8
+          - fedora
+          - ubuntu1804
+          - ubuntu2004
+          - debian9
+          - debian10
+          - amazon
+          # - arch  # needs to be fixed
+          # - opensuse_tumbleweed  # baseline is not compatible with suse
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v2
+        with:
+          path: ansible_collections/devsec/hardening
+          submodules: true
+
+      - name: Set up Python 3.7
+        uses: actions/setup-python@v1
+        with:
+          python-version: 3.7
+
+      - name: Install dependencies
+        run: |
+          sudo apt install git
+          python -m pip install --no-cache-dir --upgrade pip
+          pip install -r requirements.txt
+        working-directory: ansible_collections/devsec/hardening
+
+      - name: Create default collection path symlink
+        run: |
+          mkdir -p /home/runner/.ansible
+          ln -s /home/runner/work/ansible-os-hardening/ansible-os-hardening /home/runner/.ansible/collections
+
+      - name: Test with molecule
+        run: |
+          if [ "$MOLECULE_DISTRO" = "opensuse_tumbleweed" ]; then
+            export MOLECULE_DOCKER_COMMAND="/usr/lib/systemd/systemd"
+          fi
+          molecule --version
+          mol --base-config molecule/ssh_hardening/molecule.yml converge -s ssh_hardening_custom_tests
+        env:
+          MOLECULE_DISTRO: ${{ matrix.molecule_distro }}
+        working-directory: ansible_collections/devsec/hardening

molecule/ssh_hardening_custom_tests/INSTALL.rst

@@ -0,0 +1,22 @@
+*******
+Docker driver installation guide
+*******
+
+Requirements
+============
+
+* Docker Engine
+
+Install
+=======
+
+Please refer to the `Virtual environment`_ documentation for installation best
+practices. If not using a virtual environment, please consider passing the
+widely recommended `'--user' flag`_ when invoking ``pip``.
+
+.. _Virtual environment: https://virtualenv.pypa.io/en/latest/
+.. _'--user' flag: https://packaging.python.org/tutorials/installing-packages/#installing-to-the-user-site
+
+.. code-block:: bash
+
+    $ python3 -m pip install 'molecule[docker]'

molecule/ssh_hardening_custom_tests/converge.yml

@@ -0,0 +1,104 @@
+---
+- name: wrapper playbook for kitchen testing "ansible-ssh-hardening" with custom settings
+  hosts: all
+  become: true
+  environment:
+    http_proxy: "{{ lookup('env', 'http_proxy') | default(omit)  }}"
+    https_proxy: "{{ lookup('env', 'https_proxy') | default(omit) }}"
+    no_proxy: "{{ lookup('env', 'no_proxy') | default(omit) }}"
+  collections:
+    - devsec.hardening
+  tasks:
+    - include_role:
+        name: ssh_hardening
+  vars:
+    ssh_trusted_user_ca_keys_file: '/etc/ssh/ca.pub'
+    ssh_trusted_user_ca_keys:
+      - '# ssh-rsa ...'
+    ssh_authorized_principals_file: '/etc/ssh/auth_principals/%u'
+    ssh_authorized_principals:
+      - path: "/etc/ssh/auth_principals/root"
+        principals:
+          - "root"
+        owner: "{{ ssh_owner }}"
+        group: "{{ ssh_group }}"
+        directoryowner: "{{ ssh_owner }}"
+        directorygroup: "{{ ssh_group }}"
+        directorymode: "0700"
+    network_ipv6_enable: true
+    ssh_allow_tcp_forwarding: 'yes'
+    ssh_gateway_ports: true
+    ssh_allow_agent_forwarding: true
+    ssh_server_permit_environment_vars: 'yes'
+    ssh_server_accept_env_vars: 'PWD HTTP_PROXY'
+    ssh_client_alive_interval: 100
+    ssh_client_alive_count: 10
+    ssh_client_password_login: true
+    ssh_challengeresponseauthentication: true
+    ssh_compression: true
+    ssh_allow_users: 'root kitchen vagrant'
+    ssh_allow_groups: 'root kitchen vagrant'
+    ssh_deny_users: 'foo bar'
+    ssh_deny_groups: 'foo bar'
+    ssh_authorized_keys_file: '/etc/ssh/authorized_keys/%u'
+    ssh_max_auth_retries: 10
+    ssh_permit_root_login: "without-password"
+    ssh_permit_tunnel: true
+    ssh_print_motd: true
+    ssh_print_last_log: true
+    ssh_banner: true
+    ssh_server_password_login: true
+    sftp_enabled: true
+    sftp_chroot: true
+    # ssh_server_enabled: false
+    ssh_server_ports:
+      - 22
+      - 222
+    ssh_server_match_address:
+      - address: '192.168.1.0/24'
+        rules:
+          - 'AllowTcpForwarding yes'
+          - 'AllowAgentForwarding no'
+    ssh_server_match_group:
+      - group: 'root'
+        rules:
+          - 'AllowTcpForwarding yes'
+          - 'AllowAgentForwarding no'
+    ssh_server_match_user:
+      - user: 'root'
+        rules:
+          - 'AllowTcpForwarding yes'
+          - 'AllowAgentForwarding no'
+    ssh_server_match_local_port:
+      - port: 222
+        rules:
+          - 'AllowTcpForwarding yes'
+          - 'AllowAgentForwarding no'
+    ssh_remote_hosts:
+      - names: ['example.com', 'example2.com']
+        options: ['Port 2222', 'ForwardAgent yes']
+      - names: ['example3.com']
+        options: ['StrictHostKeyChecking no']
+    ssh_use_dns: true
+    ssh_use_pam: true
+    ssh_max_startups: '10:30:60'
+    ssh_host_key_algorithms:
+      - ssh-ed25519
+      - rsa-sha2-512
+      - rsa-sha2-256
+      - ssh-rsa
+    ssh_macs:
+      - hmac-sha2-512
+      - hmac-sha2-256
+    ssh_ciphers:
+      - aes256-ctr
+      - aes192-ctr
+      - aes128-ctr
+      - aes256-cbc
+    ssh_kex:
+      - diffie-hellman-group-exchange-sha256
+      - diffie-hellman-group-exchange-sha1
+    ssh_custom_options:
+      - "Include /etc/ssh/ssh_config.d/*"
+    sshd_custom_options:
+      - "AcceptEnv LANG"

molecule/ssh_hardening_custom_tests/molecule.yml

@@ -0,0 +1,64 @@
+---
+dependency:
+  name: galaxy
+  options:
+    role-file: molecule/ssh_hardening/requirements.yml
+driver:
+  name: docker
+platforms:
+  - name: instance
+    image: "rndmh3ro/docker-${MOLECULE_DISTRO}-ansible:latest"
+    command: ${MOLECULE_DOCKER_COMMAND:-/lib/systemd/systemd}
+    volumes:
+      - /sys/fs/cgroup:/sys/fs/cgroup:ro
+    privileged: true
+    tmpfs:
+      - /tmp
+      - /run
+    capabilities:
+      - SYS_ADMIN
+    tty: true
+    env:
+      http_proxy: "${http_proxy}"
+      https_proxy: "${https_proxy}"
+      no_proxy: "${no_proxy}"
+      container: docker
+provisioner:
+  name: ansible
+  config_options:
+    defaults:
+      interpreter_python: auto_silent
+      callback_whitelist: profile_tasks, timer, yaml
+verifier:
+  name: ansible
+
+scenario:
+  create_sequence:
+    - dependency
+    - create
+    - prepare
+  check_sequence:
+    - dependency
+    - destroy
+    - create
+    - prepare
+    - converge
+    - check
+    - destroy
+  converge_sequence:
+    - dependency
+    - create
+    - prepare
+    - converge
+  destroy_sequence:
+    - destroy
+  test_sequence:
+    - dependency
+    - destroy
+    - syntax
+    - create
+    - prepare
+    - converge
+    - idempotence
+    - verify
+    - destroy

molecule/ssh_hardening_custom_tests/prepare.yml

@@ -0,0 +1,76 @@
+---
+- name: wrapper playbook for kitchen testing "ansible-ssh-hardening" with default settings
+  hosts: all
+  become: true
+  environment:
+    http_proxy: "{{ lookup('env', 'http_proxy') | default(omit)  }}"
+    https_proxy: "{{ lookup('env', 'https_proxy') | default(omit) }}"
+    no_proxy: "{{ lookup('env', 'no_proxy') | default(omit) }}"
+  tasks:
+    - name: use python3
+      set_fact:
+        ansible_python_interpreter: /usr/bin/python3
+      when: ansible_facts.distribution == 'Fedora'
+
+    - name: install packages
+      yum:
+        name:
+          - openssh-clients
+          - openssh-server
+          - libselinux-python
+        state: present
+        update_cache: true
+      ignore_errors: true
+
+    - name: install packages
+      dnf:
+        name:
+          - openssh-clients
+          - openssh-server
+          - procps-ng
+        state: present
+        update_cache: true
+      ignore_errors: true
+
+    - name: install packages
+      apt:
+        name:
+          - openssh-client
+          - openssh-server
+        state: present
+        update_cache: true
+      ignore_errors: true
+
+    - name: install required tools on SuSE
+      # cannot use zypper module, since it depends on python-xml
+      shell: "zypper -n install python-xml"
+      when: ansible_facts.os_family == 'Suse'
+
+    - name: install packages
+      zypper:
+        name:
+          - "openssh"
+      when: ansible_facts.os_family == 'Suse'
+
+    - name: install packages
+      pacman:
+        name:
+          - "openssh"
+          - "awk"
+        state: present
+        update_cache: true
+      ignore_errors: true
+
+    - name: created needed directory
+      file:
+        path: "/var/run/sshd"
+        state: directory
+
+    - name: create ssh host keys
+      command: "ssh-keygen -A"
+      when: not ((ansible_facts.os_family in ['Oracle Linux', 'RedHat']) and ansible_facts.distribution_major_version < '7') or
+            ansible_facts.distribution == "Fedora" or
+            ansible_facts.distribution == "Amazon" or
+            ansible_facts.os_family == "Suse"
+      changed_when: false
+      ignore_errors: true

molecule/ssh_hardening_custom_tests/requirements.yml

@@ -0,0 +1,3 @@
+---
+roles:
+  - geerlingguy.git