ensure minion ids

salt/reactor/deleteKey.sls

@@ -1,18 +1,40 @@
+#!py
+
 # Copyright Security Onion Solutions LLC and/or licensed to Security Onion Solutions LLC under one
 # or more contributor license agreements. Licensed under the Elastic License 2.0 as shown at
 # https://securityonion.net/license; you may not use this file except in compliance with the
 # Elastic License 2.0.
 
-remove_key:
-  wheel.key.delete:
-    - args:
-      - match: {{ data['name'] }}
+import logging
+import re
 
-{{ data['name'] }}_pillar_clean:
-  runner.state.orchestrate:
-    - args:
-      - mods: orch.vm_pillar_clean
-      - pillar:
-          vm_name: {{ data['name'] }}
+log = logging.getLogger(__name__)
 
-{% do salt.log.info('deleteKey reactor: deleted minion key: %s' % data['name']) %}
+_VMNAME_RE = re.compile(r'^[A-Za-z0-9._-]{1,253}$')
+
+
+def run():
+  name = data.get('name', '')
+  if not _VMNAME_RE.match(str(name)):
+    log.error("deleteKey reactor: refusing unsafe name=%r", name)
+    return {}
+
+  log.info("deleteKey reactor: deleted minion key: %s", name)
+
+  return {
+    'remove_key': {
+      'wheel.key.delete': [
+        {'args': [
+          {'match': name},
+        ]},
+      ],
+    },
+    '%s_pillar_clean' % name: {
+      'runner.state.orchestrate': [
+        {'args': [
+          {'mods': 'orch.vm_pillar_clean'},
+          {'pillar': {'vm_name': name}},
+        ]},
+      ],
+    },
+  }