From 862a31007543c292ba3bcd6d56e390d83c1043be Mon Sep 17 00:00:00 2001
From: redmatrix <redmatrix@redmatrix.me>
Date: Mon, 9 Nov 2015 14:53:58 -0800
Subject: thwart attempts to use an external private directory as a directory
 server

---
 include/dir_fns.php | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'include/dir_fns.php')

diff --git a/include/dir_fns.php b/include/dir_fns.php
index e5f0e1e2b..398f43d00 100644
--- a/include/dir_fns.php
+++ b/include/dir_fns.php
@@ -15,6 +15,19 @@ function find_upstream_directory($dirmode) {
 	global $DIRECTORY_FALLBACK_SERVERS;
 
 	$preferred = get_config('system','directory_server');
+
+	// Thwart attempts to use a private directory
+
+	if(($preferred) && ($prefered != z_root())) {
+		$r = q("select * from site where site_url = '%s' limit 1",
+			dbesc($preferred)
+		);
+		if(($r) && ($r[0]['site_flags'] & DIRECTORY_MODE_STADALONE)) {
+			$preferred = '';
+		}		
+	}
+
+
 	if (! $preferred) {
 
 		/*
-- 
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