diff options
Diffstat (limited to 'roles/sshd/tasks')
-rw-r--r-- | roles/sshd/tasks/main.yml | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/roles/sshd/tasks/main.yml b/roles/sshd/tasks/main.yml new file mode 100644 index 0000000..ff77c40 --- /dev/null +++ b/roles/sshd/tasks/main.yml @@ -0,0 +1,112 @@ +- name: "sshd role version" + shell: | + [ "{{ sshd_version }}" = "1" ] || \ + (echo "Unexpected version {{ sshd_version }}" 1>&2; exit 1) + +- name: "sshd role configuration sanity check" + when: not sshd_allow_authorized_keys and sshd_user_ca_pub is not defined + shell: | + echo "You MUST define sshd_allow_authorized_keys OR sshd_user_ca_pub" + exit 1 + +- name: "Configure SSH server to read config files in sshd_config.d" + lineinfile: + path: /etc/ssh/sshd_config + regexp: "Include /etc/ssh/sshd_config.d" + line: "Include /etc/ssh/sshd_config.d/*.conf" + insertbefore: BOF + notify: sshd_restart + +- name: "Set SSH host identity" + when: sshd_host_key is defined and sshd_host_cert is defined + copy: + content: | + {{ sshd_host_key }} + dest: /etc/ssh/ssh_host_key + owner: root + group: root + mode: 0600 + notify: sshd_restart + +- name: "Set SSH host certificate" + when: sshd_host_key is defined and sshd_host_cert is defined + copy: + content: | + {{ sshd_host_cert }} + dest: /etc/ssh/ssh_host_key-cert.pub + notify: sshd_restart + +- name: "Configure SSH server host key" + when: sshd_host_key is defined and sshd_host_cert is defined + copy: + content: | + HostKeyAlgorithms ssh-ed25519,ssh-ed25519-cert-v01@openssh.com + HostKey /etc/ssh/ssh_host_key + HostCertificate /etc/ssh/ssh_host_key-cert.pub + dest: /etc/ssh/sshd_config.d/host_id.conf + notify: sshd_restart + +- name: "Remove old host key settings from /etc/ssh/sshd_config" + when: sshd_host_key is defined and sshd_host_cert is defined + lineinfile: + path: /etc/ssh/sshd_config + state: absent + regex: "(?i)hostkey" + notify: sshd_restart + +- name: "Remove old host cert settings from /etc/ssh/sshd_config" + when: sshd_host_key is defined and sshd_host_cert is defined + lineinfile: + path: /etc/ssh/sshd_config + state: absent + regex: "(?i)hostcertificate" + notify: sshd_restart + +- name: "Remove old user CA settings from /etc/ssh/sshd_config" + when: sshd_host_key is defined and sshd_host_cert is defined + lineinfile: + path: /etc/ssh/sshd_config + state: absent + regex: "(?i)trustedusercakeys" + notify: sshd_restart + +- name: "Remove obsolete SSH host keys and certificates" + when: sshd_host_key is defined and sshd_host_cert is defined + shell: | + find /etc/ssh -maxdepth 1 -type f -name "ssh_host_*_key*" -delete + notify: sshd_restart + +- name: "Configure SSH server port" + when: sshd_port is defined + copy: + content: | + Port {{ sshd_port }} + dest: /etc/ssh/sshd_config.d/port.conf + notify: sshd_restart + +- name: "Configure user CA for SSH server" + when: sshd_user_ca_pub is defined + copy: + content: | + {{ sshd_user_ca_pub }} + dest: /etc/ssh/user_ca_pubs + notify: sshd_restart + +- name: "Configure SSH server to accept user CA" + when: sshd_user_ca_pub is defined + copy: + content: | + TrustedUserCAKeys /etc/ssh/user_ca_pubs + dest: /etc/ssh/sshd_config.d/user_ca.conf + notify: sshd_restart + +- name: "Configure SSH server to not use 'authorized_keys' files at all." + when: not sshd_allow_authorized_keys + copy: + content: | + AuthorizedKeysFile none + dest: /etc/ssh/sshd_config.d/authorized_keys.conf + notify: sshd_restart + +- name: "Run handlers" + meta: flush_handlers |