1 files changed, 80 insertions, 0 deletions
diff --git a/library/ocserv.py b/library/ocserv.py
new file mode 100644
index 00000000..5ff51adf
--- /dev/null
+++ b/library/ocserv.py
@@ -0,0 +1,80 @@
+#!/usr/local/bin/python3
+
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
+
+from ansible.module_utils.basic import AnsibleModule
+import json, shlex, os
+from datetime import datetime
+
+
+OCSERV_CERTS_DIR = "/var/reactance/ocserv/certs"
+
+def exec_shell(cmd, module):
+    rc, stdout, stderr= module.run_command(cmd, environ_update={'TERM': 'dumb'}, use_unsafe_shell=True)
+    if rc != 0:
+        module.fail_json(stderr)
+    return stdout.rstrip()
+
+def ocserv_get_users():
+    previous_users = [".".join(i.split('.')[:-1]) for i in os.listdir(OCSERV_CERTS_DIR) if i.endswith(".p12")]
+    return previous_users
+
+def ocserv_user_control(update_password, module):
+    previous_users = ocserv_get_users()
+    selected_users = set(update_password.keys())
+    new_users_dict = {}
+    
+    # Remove users not in group_vars
+    for user in previous_users:
+        if user not in selected_users or not update_password[user]:
+            # new code goes here - remove user, update crl
+            exec_shell(f"cat {OCSERV_CERTS_DIR}/{user}-cert.pem > {OCSERV_CERTS_DIR}/revoked.pem", module)
+            exec_shell(f"certtool --generate-crl --load-ca-privkey {OCSERV_CERTS_DIR}/ca-key.pem --load-ca-certificate {OCSERV_CERTS_DIR}/ca-cert.pem --load-certificate {OCSERV_CERTS_DIR}/revoked.pem --template {OCSERV_CERTS_DIR}/crl.tmpl --outfile {OCSERV_CERTS_DIR}/crl.pem", module)
+            exec_shell(f"rm {OCSERV_CERTS_DIR}/{user}-cert.pem {OCSERV_CERTS_DIR}/{user}-key.pem {OCSERV_CERTS_DIR}/{user}.p12", module)
+
+    # Add new users or update password of existing users
+    for user in selected_users:
+        if user not in previous_users or update_password[user]:
+            # new code goes here - generate template, certs
+            user_template_contents = f"""
+dn = "cn={user},UID={user}"
+expiration_days = -1
+signing_key
+tls_www_client
+            """
+            user_template_file = os.path.join(OCSERV_CERTS_DIR, f"{user}.tmpl")
+            with open(user_template_file, "w") as f:
+                f.write(user_template_contents)
+            exec_shell(f"certtool --generate-privkey --outfile {OCSERV_CERTS_DIR}/{user}-key.pem", module)
+            exec_shell(f"certtool --generate-certificate --load-privkey {OCSERV_CERTS_DIR}/{user}-key.pem --load-ca-certificate {OCSERV_CERTS_DIR}/ca-cert.pem --load-ca-privkey {OCSERV_CERTS_DIR}/ca-key.pem --template {OCSERV_CERTS_DIR}/{user}.tmpl --outfile {OCSERV_CERTS_DIR}/{user}-cert.pem", module)
+            exec_shell(f"certtool --to-p12 --load-privkey {OCSERV_CERTS_DIR}/{user}-key.pem --pkcs-cipher 3des-pkcs12 --load-certificate {OCSERV_CERTS_DIR}/{user}-cert.pem --outfile {OCSERV_CERTS_DIR}/{user}.p12 --password {user} --p12-name {user} --outder", module)
+            exec_shell(f"rm {user_template_file}", module)
+            new_users_dict[user] = {"ocserv": []} # a hack
+            
+    return new_users_dict 
+       
+def run_module():
+    module = AnsibleModule(
+        argument_spec=dict(
+            users = dict(type='list', required=True)
+        ),
+        supports_check_mode=True
+    )
+    users = module.params["users"]
+    update_password = {}
+
+    for user in users:
+        if 'regen' in user.keys() and user['regen']:
+            update_password[user['user']] = True
+        else:
+            update_password[user['user']] = False
+
+    new_users_dict = ocserv_user_control(update_password, module)
+    module.exit_json(changed=True, msg=new_users_dict)
+
+def main():
+    run_module()
+
+if __name__ == "__main__":
+    main()