From df74eeb07ba2f49c2d0dec3b96543df233f9fd1f Mon Sep 17 00:00:00 2001
From: Warren Baker <warren@decoy.co.za>
Date: Sat, 1 Oct 2011 05:08:30 +0200
Subject: [PATCH] add ability to get root hints file

---
 etc/inc/unbound.inc | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/etc/inc/unbound.inc b/etc/inc/unbound.inc
index 00949a1f76..ed5d5f2db2 100644
--- a/etc/inc/unbound.inc
+++ b/etc/inc/unbound.inc
@@ -128,5 +128,21 @@ function unbound_optimization() {
 	return $optimization;
 }
 
+function unbound_fetch_root_hints() {
+	global $g;
+
+	$hints = "{$g['unbound_chroot_path']}/etc/root.hints";
+	if (@filesize($hints) == 0 ) {
+		conf_mount_rw();
+		$returnvar = mwexec("/usr/bin/dig +tcp +nocmd +answer @`/usr/bin/dig +nocmd +noall +answer +short . NS | /usr/bin/head -1` . NS > {$hints}");
+		conf_mount_ro();
+		if ($returnvar != 0) {
+			mwexec("/bin/rm -f {$hints}");
+			return false;
+		} else
+			return true;
+	} else
+		return true;
+}
 
 ?>
\ No newline at end of file