From 5793a8cd003643974206e44ea752ab0966cfa8c0 Mon Sep 17 00:00:00 2001
From: Pim van den Berg
Date: Sat, 18 May 2013 16:05:43 +0200
Subject: integrate jsrrdgraph in CGP

---
 inc/functions.inc.php | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'inc/functions.inc.php')

diff --git a/inc/functions.inc.php b/inc/functions.inc.php
index a72a589..6642e51 100644
--- a/inc/functions.inc.php
+++ b/inc/functions.inc.php
@@ -30,6 +30,21 @@ function validate_get($value, $type) {
 	return $value;
 }
 
+function validateRRDPath($base, $path) {
+	$realpath = realpath(sprintf('%s/%s', $base, $path));
+
+	if (strpos($realpath, $base) === false)
+		return false;
+
+	if (strpos($realpath, $base) !== 0)
+		return false;
+
+	if (!preg_match('/\.rrd$/', $realpath))
+		return false;
+
+	return $realpath;
+}
+
 function crc32hex($str) {
 	return sprintf("%x",crc32($str));
 }
-- 
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