ADMINUI-2339 Should not allow user to enter an IPv4 address for DNS when Subnet is IPv6

package.json

@@ -24,6 +24,7 @@
     "clone": "0.1.19",
     "filed": "0.1.0",
     "handlebars": "1.2.1",
+    "ipaddr.js": "1.5.2",
     "kang": "1.1.0",
     "less": "1.7.5",
     "mime": "1.2.11",
@@ -34,10 +35,10 @@
     "reactify": "1.0.0",
     "restify": "4.3.1",
     "sdc-clients": "10.2.1",
-    "ufds": "1.3.0",
     "superagent": "0.21.0",
     "through": "2.3.4",
     "trace-event": "1.3.0",
+    "ufds": "1.3.0",
     "uglify-js": "2.4.16",
     "underscore": "1.8.3",
     "underscore.string": "3.0.3",

www/js/views/network-form.js

@@ -14,6 +14,7 @@ require('backbone.syphon');
 
 var _ = require('underscore');
 var $ = require('jquery');
+var ipaddr = require('ipaddr.js');
 var adminui = require('../adminui');
 
 var Template = require('../tpl/networks-form.hbs');
@@ -198,6 +199,32 @@ var View = Backbone.Marionette.Layout.extend({
         var params = {};
         var network = this.model.toJSON();
 
+        var subnetType;
+        try {
+            subnetType = data.subnet && ipaddr.parse(data.subnet.substr(0, data.subnet.indexOf('/'))).kind();
+        } catch (ex) {
+            // ignore
+        }
+        if (!subnetType) {
+            this.showError([{field: 'subnet', message: 'Subnet must be in CIDR form'}]);
+            return;
+        }
+        var resolversError = data.resolvers.some(function (resolver) {
+            var addrType;
+            try {
+                addrType = ipaddr.parse(resolver).kind();
+            } catch (ex) {
+                // ignore
+            }
+
+            return !addrType || subnetType !== addrType;
+        });
+
+        if (resolversError) {
+            this.showError([{field: 'resolvers', message: 'resolvers should match subnet type'}]);
+            return;
+        }
+
         if (this.model.isNew()) {
             this.model.set(data);
             this.model.save().done(self.onSaved.bind(self)).fail(self.onError.bind(self));