From 216bc43ef7a270925ac597806c06030354ba9149 Mon Sep 17 00:00:00 2001
From: Jonas Gunz <himself@jonasgunz.de>
Date: Tue, 19 Jul 2022 00:29:05 +0200
Subject: freeradius

---
 roles/freeradius/README.md                 | 23 ++++++++++++
 roles/freeradius/defaults/main.yml         | 17 +++++++++
 roles/freeradius/handlers/main.yml         |  6 ++++
 roles/freeradius/tasks/main.yml            | 58 ++++++++++++++++++++++++++++++
 roles/freeradius/templates/clients.conf.j2 |  9 +++++
 roles/freeradius/templates/ldap.j2         | 20 +++++++++++
 6 files changed, 133 insertions(+)
 create mode 100644 roles/freeradius/README.md
 create mode 100644 roles/freeradius/defaults/main.yml
 create mode 100644 roles/freeradius/handlers/main.yml
 create mode 100644 roles/freeradius/tasks/main.yml
 create mode 100644 roles/freeradius/templates/clients.conf.j2
 create mode 100644 roles/freeradius/templates/ldap.j2

(limited to 'roles')

diff --git a/roles/freeradius/README.md b/roles/freeradius/README.md
new file mode 100644
index 0000000..8b67265
--- /dev/null
+++ b/roles/freeradius/README.md
@@ -0,0 +1,23 @@
+# freeradius
+
+freeradius with LDAP backend
+
+```yaml
+---
+radius:
+  ldap:
+    server: 'ldap://ldap.example.com'
+    bind_user: 'uid=user,dc=example,dc=com'
+    bind_pwd: 'Password'
+    user_base: 'ou=users,dc=example,dc=com'
+    user_filter: '(uid=%{User-Name})'
+  clients:
+    - name: example
+      ip: '1.1.1.1'
+      secret: 'supersecret'
+  cert:
+    privkey: '/etc/ssl/private/ssl-cert-snakeoil.key'
+    cert: '/etc/ssl/certs/ssl-cert-snakeoil.pem'
+    ca: '/etc/ssl/certs/ca-certificates.crt'
+
+```
diff --git a/roles/freeradius/defaults/main.yml b/roles/freeradius/defaults/main.yml
new file mode 100644
index 0000000..cc5dab5
--- /dev/null
+++ b/roles/freeradius/defaults/main.yml
@@ -0,0 +1,17 @@
+---
+radius:
+  ldap:
+    server: 'ldap://ldap.example.com'
+    bind_user: 'uid=user,dc=example,dc=com'
+    bind_pwd: 'Password'
+    user_base: 'ou=users,dc=example,dc=com'
+    user_filter: '(uid=%{User-Name})'
+  clients:
+    - name: asdfasdf
+      ip: '1.1.1.1'
+      secret: 'supersecret'
+  cert:
+    privkey: '/etc/ssl/private/ssl-cert-snakeoil.key'
+    cert: '/etc/ssl/certs/ssl-cert-snakeoil.pem'
+    ca: '/etc/ssl/certs/ca-certificates.crt'
+
diff --git a/roles/freeradius/handlers/main.yml b/roles/freeradius/handlers/main.yml
new file mode 100644
index 0000000..3a1e909
--- /dev/null
+++ b/roles/freeradius/handlers/main.yml
@@ -0,0 +1,6 @@
+---
+- name: freeradius
+  systemd:
+    name: freeradius
+    state: restarted
+  become: yes
diff --git a/roles/freeradius/tasks/main.yml b/roles/freeradius/tasks/main.yml
new file mode 100644
index 0000000..0144a25
--- /dev/null
+++ b/roles/freeradius/tasks/main.yml
@@ -0,0 +1,58 @@
+---
+- name: Install packages
+  apt:
+    name:
+      - freeradius
+      - freeradius-ldap
+  become: yes
+
+- name: Install config
+  template:
+    src: ldap.j2
+    dest: /etc/freeradius/3.0/mods-available/ldap
+  become: yes
+  notify: freeradius
+
+- name: Install clients
+  template:
+    src: clients.conf.j2
+    dest: /etc/freeradius/3.0/clients.ansible.conf
+  become: yes
+  notify: freeradius
+
+- name: Clients
+  lineinfile:
+    path: /etc/freeradius/3.0/radiusd.conf
+    search_string: '$INCLUDE clients.ansible.conf'
+    line: '$INCLUDE clients.ansible.conf'
+    insertafter: '$INCLUDE clients.conf'
+  become: yes
+  notify: freeradius
+
+- name: Enable LDAP Authentication
+  file:
+    src: '/etc/freeradius/3.0/mods-available/ldap'
+    dest: '/etc/freeradius/3.0/mods-enabled/ldap'
+    state: 'link'
+  become: yes
+  notify: freeradius
+
+- name: Set EAP Certificate
+  lineinfile:
+    path: /etc/freeradius/3.0/mods-available/eap
+    search_string: '{{ item["s"] }}'
+    line: '{{ item["l"] }}'
+    insertafter: 'tls-config tls-common'
+  become: yes
+  notify: freeradius
+  loop:
+    - s: 'private_key_password'
+      l: '# private_key_password = notset'
+    - s: 'private_key_file ='
+      l: 'private_key_file = {{ radius.cert.privkey }}'
+    - s: 'certificate_file ='
+      l: 'certificate_file = {{ radius.cert.cert }}'
+    - s: 'ca_file ='
+      l: 'ca_file = {{ radius.cert.ca }}'
+    - s: 'check_crl ='
+      l: 'check_crl = no'
diff --git a/roles/freeradius/templates/clients.conf.j2 b/roles/freeradius/templates/clients.conf.j2
new file mode 100644
index 0000000..edd03d3
--- /dev/null
+++ b/roles/freeradius/templates/clients.conf.j2
@@ -0,0 +1,9 @@
+# vi: ft=conf
+
+{% for item in radius.clients %}
+client {{ item.name }} {
+	ipaddr = {{ item.ip }}
+	secret = {{ item.secret }}
+}
+
+{% endfor %}
diff --git a/roles/freeradius/templates/ldap.j2 b/roles/freeradius/templates/ldap.j2
new file mode 100644
index 0000000..d7e10da
--- /dev/null
+++ b/roles/freeradius/templates/ldap.j2
@@ -0,0 +1,20 @@
+# vi: ft=conf
+# This file is managed by Ansible. Manual changes will be reverted.
+
+ldap {
+        server   = "{{ radius.ldap.server }}"
+        identity = "{{ radius.ldap.bind_user }}"
+        password = "{{ radius.ldap.bind_pwd }}"
+        user {
+                base_dn  = "{{ radius.ldap.user_base }}"
+                filter   = "{{ radius.ldap.user_filter }}"
+        }
+        sasl {
+                # This block needs to exist, but can be empty.
+                # SASL mechanism
+                #mech = 'PLAIN'
+        }
+        update {
+                control:Password-With-Header    += 'userPassword'
+        }
+}
-- 
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