- Merge r5969 from trunk

roundcube · Mar 6, 2012 · ab5036e · ab5036e
1 parent 053538b
commit ab5036e
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diff --git a/CHANGELOG b/CHANGELOG
@@ -1,6 +1,7 @@
 CHANGELOG Roundcube Webmail
 ===========================
 
+- Fix handling of % character in IMAP protocol (#1488382)
 - Fix duplicate names handling in addressbook searches (#1488375)
 - Fix displaying of HTML messages from Disqus (#1488372)
 - Disable E_STRICT warnings on PHP 5.4

diff --git a/program/include/rcube_imap_generic.php b/program/include/rcube_imap_generic.php
@@ -3511,13 +3511,16 @@ static function escape($string, $force_quotes=false)
         if ($string === null) {
             return 'NIL';
         }
+
         if ($string === '') {
             return '""';
         }
+
         // atom-string (only safe characters)
-        if (!$force_quotes && !preg_match('/[\x00-\x20\x22\x28-\x2A\x5B-\x5D\x7B\x7D\x80-\xFF]/', $string)) {
+        if (!$force_quotes && !preg_match('/[\x00-\x20\x22\x25\x28-\x2A\x5B-\x5D\x7B\x7D\x80-\xFF]/', $string)) {
             return $string;
         }
+
         // quoted-string
         if (!preg_match('/[\r\n\x00\x80-\xFF]/', $string)) {
             return '"' . addcslashes($string, '\\"') . '"';