Add sanity to make sure installed setuid.

protogeni/xmlrpc/protogeni-wrapper.pl.in

@@ -125,6 +125,13 @@ if ($MAINSITE) {
     }
 }
 
+#
+# Sanity check.
+#
+if ($EUID != 0) {
+    XMLError(503, "Server configuration error; please try again later");
+}
+
 #
 # Make sure the client presented a valid certificate that apache says
 # is okay.