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From ca5bbc5692e052159bce1a75f55dc60b36078749 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Julien=20Rop=C3=A9?= <jrope@redhat.com>
Date: Wed, 2 Dec 2020 13:39:27 +0100
Subject: [PATCH] With OpenSSL 1.1: Disable client-initiated renegotiation.
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Fixes issue #49
Fixes BZ#1904459

Signed-off-by: Julien Ropé <jrope@redhat.com>
Reported-by: BlackKD
Acked-by: Frediano Ziglio <fziglio@redhat.com>
---
 server/reds.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/server/reds.c b/server/reds.c
index fe69508e..f61086cb 100644
--- a/server/reds.c
+++ b/server/reds.c
@@ -2753,6 +2753,10 @@ static int reds_init_ssl(RedsState *reds)
      * When some other SSL/TLS version becomes obsolete, add it to this
      * variable. */
     long ssl_options = SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 | SSL_OP_NO_COMPRESSION | SSL_OP_NO_TLSv1;
+#ifdef SSL_OP_NO_RENEGOTIATION
+    // With OpenSSL 1.1: Disable all renegotiation in TLSv1.2 and earlier
+    ssl_options |= SSL_OP_NO_RENEGOTIATION;
+#endif
 
     /* Global system initialization*/
     openssl_global_init();
-- 
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