From c80ad123369c7dec89c43bffe677bb64330da891 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Fri, 1 Mar 2013 17:20:31 -0800
Subject: [PATCH] Validate forwarded ports

---
 plugins/kernel_v2/config/vm.rb | 11 +++++++++++
 templates/locales/en.yml       |  2 ++
 2 files changed, 13 insertions(+)

diff --git a/plugins/kernel_v2/config/vm.rb b/plugins/kernel_v2/config/vm.rb
index 406e207aa..26eb53c89 100644
--- a/plugins/kernel_v2/config/vm.rb
+++ b/plugins/kernel_v2/config/vm.rb
@@ -245,6 +245,17 @@ module VagrantPlugins
           end
         end
 
+        # Validate networks
+        has_fp_port_error = false
+        networks.each do |type, options|
+          if type == :forwarded_port
+            if !has_fp_port_error && (!options[:guest] || !options[:host])
+              errors << I18n.t("vagrant.config.vm.network_fp_requires_ports")
+              has_fp_port_error = true
+            end
+          end
+        end
+
         # We're done with VM level errors so prepare the section
         errors = { "vm" => errors }
 
diff --git a/templates/locales/en.yml b/templates/locales/en.yml
index 3f04c3195..804a323dd 100644
--- a/templates/locales/en.yml
+++ b/templates/locales/en.yml
@@ -444,6 +444,8 @@ en:
         nfs_requires_host: |-
           Using NFS shared folders requires a host to be specified
           using `config.vagrant.host`.
+        network_fp_requires_ports: |-
+          Forwarded port definitions require a "host" and "guest" value
         shared_folder_hostpath_missing: |-
           The host path of the shared folder is missing: %{path}
         shared_folder_nfs_owner_group: |-