[OpenWrt] Hardened ntp server option schema

nemesifier · nemesifier · commit 30348ef5e850 · 2015-11-27T16:06:08.000+01:00
diff --git a/netjsonconfig/backends/openwrt/schema.py b/netjsonconfig/backends/openwrt/schema.py
@@ -116,7 +116,12 @@
                     "type": "boolean"
                 },
                 "server": {
-                    "type": "array"
+                    "type": "array",
+                    "uniqueItems": True,
+                    "additionalItems": True,
+                    "items": {
+                        "type": "string"
+                    }
                 }
             }
         },
