util: move is_fqdn()

The call stack is pretty loose on is_fqdn() as it is called by
system_routing_configure() which gets called in an uncontrollable
fashion in interface.inc.

src/etc/inc/openvpn_wizard.inc

@@ -25,7 +25,9 @@
     ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     POSSIBILITY OF SUCH DAMAGE.
 */
+
 require_once("openvpn.inc");
+require_once("util.inc");
 require_once("pfsense-utils.inc");
 
 function cert_get_subject_hash($crt)

src/etc/inc/pfsense-utils.inc

@@ -215,23 +215,6 @@ function reload_ttys()
     exec('/bin/kill -HUP 1');
 }
 
-function is_fqdn($fqdn) {
-    $hostname = false;
-    if (preg_match("/[-A-Z0-9\.]+\.[-A-Z0-9\.]+/i", $fqdn)) {
-        $hostname = true;
-    }
-    if (preg_match("/\.\./", $fqdn)) {
-        $hostname = false;
-    }
-    if (preg_match("/^\./i", $fqdn)) {
-        $hostname = false;
-    }
-    if (preg_match("/\//i", $fqdn)) {
-        $hostname = false;
-    }
-    return($hostname);
-}
-
 /* This xml 2 array function is courtesy of the php.net comment section on xml_parse.
  * it is roughly 4 times faster then our existing pfSense parser but due to the large
  * size of the RRD xml dumps this is required.

src/etc/inc/util.inc

@@ -2,6 +2,7 @@
 
 /*
     Copyright (C) 2015-2016 Franco Fichtner <franco@opnsense.org>
+    Copyright (C) 2004-2007 Scott Ullrich <sullrich@gmail.com>
     Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
     All rights reserved.
 
@@ -1489,3 +1490,23 @@ function download_alias_geoip($alias)
         return false;
     }
 }
+
+function is_fqdn($fqdn)
+{
+    $hostname = false;
+
+    if (preg_match("/[-A-Z0-9\.]+\.[-A-Z0-9\.]+/i", $fqdn)) {
+        $hostname = true;
+    }
+    if (preg_match("/\.\./", $fqdn)) {
+        $hostname = false;
+    }
+    if (preg_match("/^\./i", $fqdn)) {
+        $hostname = false;
+    }
+    if (preg_match("/\//i", $fqdn)) {
+        $hostname = false;
+    }
+
+    return $hostname;
+}

src/etc/inc/xmlrpc/legacy.inc

@@ -121,8 +121,10 @@ function firmware_version_xmlrpc()
 function filter_configure_xmlrpc()
 {
     global $config;
+
     require_once("filter.inc");
     require_once("system.inc");
+    require_once("util.inc");
     require_once("interfaces.inc");
     require_once("vslb.inc");
     require_once("openvpn.inc");

src/etc/rc.newwanipv6

@@ -38,6 +38,7 @@ require_once("services.inc");
 require_once("rrd.inc");
 require_once("util.inc");
 require_once("system.inc");
+require_once("plugins.inc");
 require_once("pfsense-utils.inc");
 require_once("interfaces.inc");