luci-base: add a strict flag to the hostname validator

[project/luci.git] / modules / luci-base / htdocs / luci-static / resources / cbi.js

diff --git a/modules/luci-base/htdocs/luci-static/resources/cbi.js b/modules/luci-base/htdocs/luci-static/resources/cbi.js
index d40ec34..6c35372 100644 (file)
--- a/modules/luci-base/htdocs/luci-static/resources/cbi.js
+++ b/modules/luci-base/htdocs/luci-static/resources/cbi.js
@@ -218,12 +218,13 @@ var cbi_validators = {
                        ((ipv4only == 1) && cbi_validators.ip4addr.apply(this));
        },
 
-       'hostname': function()
+       'hostname': function(strict)
        {
                if (this.length <= 253)
-                       return (this.match(/^[a-zA-Z0-9]+$/) != null ||
+                       return (this.match(/^[a-zA-Z0-9_]+$/) != null ||
                                (this.match(/^[a-zA-Z0-9_][a-zA-Z0-9_\-.]*[a-zA-Z0-9]$/) &&
-                                this.match(/[^0-9.]/)));
+                                this.match(/[^0-9.]/))) &&
+                              (!strict || !this.match(/^_/));
 
                return false;
        },