From f705f2065695c059e7fd5b5de875f005c1e0e006 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@madoka.volgo-balt.ru>
Date: Thu, 11 Nov 2010 14:26:44 +0300
Subject: check regular expression before adding/saving filter

---
 modules/backend-rpc.php | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'modules/backend-rpc.php')

diff --git a/modules/backend-rpc.php b/modules/backend-rpc.php
index 8eacb199e..6792fae7f 100644
--- a/modules/backend-rpc.php
+++ b/modules/backend-rpc.php
@@ -1128,6 +1128,22 @@
 			return;
 		}
 
+		if ($subop == "verifyRegexp") {
+			$reg_exp = $_REQUEST["reg_exp"];
+
+			print "<rpc-reply><status>";
+
+			if (@preg_match("/$reg_exp/i", "TEST") === false) {
+				print "INVALID";
+			} else {
+				print "OK";
+			}
+
+			print "</status></rpc-reply>";
+
+			return;
+		}
+
 		print "<rpc-reply><error>Unknown method: $subop</error></rpc-reply>";
 	}
 ?>
-- 
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