From f8911c2a7f9d41e2197d0c3e1aa49aea62e320fa Mon Sep 17 00:00:00 2001
From: Francis Russell <francis@unchartedbackwaters.co.uk>
Date: Thu, 14 Jan 2016 06:47:49 -0500
Subject: [PATCH] Enable use of TLSv1.1 and TLSv1.2 for IMAP.

---
 CHANGELOG                                    |    1 +
 program/lib/Roundcube/rcube_imap_generic.php |    8 +++++++-
 2 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/CHANGELOG b/CHANGELOG
index 01974c0..7883331 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -3,6 +3,7 @@
 
 
 - Fix missing language name in "Add to Dictionary" request in HTML mode (#1490634)
+- Enable use of TLSv1.1 and TLSv1.2 for IMAP.
 
 RELEASE 1.1.4
 -------------
diff --git a/program/lib/Roundcube/rcube_imap_generic.php b/program/lib/Roundcube/rcube_imap_generic.php
index 5d27c52..86a1fcf 100644
--- a/program/lib/Roundcube/rcube_imap_generic.php
+++ b/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;

--
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