web: Improve hostname validation

[project/luci.git] / libs / web / htdocs / luci-static / resources / cbi.js

diff --git a/libs/web/htdocs/luci-static/resources/cbi.js b/libs/web/htdocs/luci-static/resources/cbi.js
index 44a5b2a..d12d050 100644 (file)
--- a/libs/web/htdocs/luci-static/resources/cbi.js
+++ b/libs/web/htdocs/luci-static/resources/cbi.js
@@ -141,8 +141,8 @@ var cbi_validators = {
        },
 
        'hostname': function(v)
-       {
-               return (v.match(/^[a-zA-Z_][a-zA-Z0-9_\-.]*$/) != null);
+       {       if ( v.length <= 24 )
+                       return (v.match(/^[a-zA-Z0-9][a-zA-Z0-9\-.]*[a-zA-Z0-9]$/) != null);
        },
 
        'wpakey': function(v)