Enable use of TLSv1.1 and TLSv1.2 for IMAP.

Francis Russell

2016-01-07 f8911c2a7f9d41e2197d0c3e1aa49aea62e320fa

 program/lib/Roundcube/rcube_imap_generic.php

@@ -910,7 +910,13 @@
                return false;
            }

            if (!stream_socket_enable_crypto($this->fp, true, STREAM_CRYPTO_METHOD_TLS_CLIENT)) {
            // There is no flag to enable all TLS methods. Net_SMTP
            // handles enabling TLS similarly.
            $crypto_method = STREAM_CRYPTO_METHOD_TLS_CLIENT
                | @STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT
                | @STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT;

            if (!stream_socket_enable_crypto($this->fp, true, $crypto_method)) {
                $this->setError(self::ERROR_BAD, "Unable to negotiate TLS");
                $this->closeConnection();
                return false;