From c39b2e4de192800389b31ade99b9e35abbf5e242 Mon Sep 17 00:00:00 2001
From: Klaus Leithoff <kl@stylite.de>
Date: Thu, 30 Jul 2009 12:52:59 +0000
Subject: [PATCH] tackle problems with )( in Filenames

---
 egw-pear/Net/IMAPProtocol.php | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/egw-pear/Net/IMAPProtocol.php b/egw-pear/Net/IMAPProtocol.php
index 6fcb7a2ba5..fee48fe54c 100644
--- a/egw-pear/Net/IMAPProtocol.php
+++ b/egw-pear/Net/IMAPProtocol.php
@@ -2362,8 +2362,15 @@ class Net_IMAPProtocol {
 			if ($str[$pos] === $startDelim) $delimCount++;
 			if ($str[$pos] === $stopDelim) $delimCount--;
 			if ($str[$pos] === $stopDelim && ($str[$pos+1] === $startDelim ||  ($str[$pos+1] === $stopDelim && $delimCount<=0))) {
-				$pos--;	// stopDelimited need to be parsed outside!
-				return false;
+				$numOfQuotes = substr_count($str,'"');
+				$numOfMaskedQuotes = substr_count($str,'\"');
+				if ((($numOfQuotes - $numOfMaskedQuotes) % 2 ) == 0) {
+					// quotes are balanced, so its unlikely that we meet a stop condition here as strings may contain )(
+					error_log(__METHOD__. "->Length: $len; NumOfQuotes: $numOfQuotes - NumofMaskedQuotes:$numOfMaskedQuotes #".$str."\n");
+				} else {
+					$pos--;	// stopDelimited need to be parsed outside!
+					return false;
+				}
 			}
 			if ($str[$pos] === '\\') $pos++;	// all escaped chars are overread (eg. \\,  \", \x)
 			$pos++;