# HG changeset patch
# User Lukas Tribus <luky-37@hotmail.com>
# Date 1418825570 -3600
# Node ID ee941e49bd8899d2beb3da9ec36acf3b56c5ce9e
# Parent  99751fe3bc3b285801b434f7f707d87fa42b093e
SSL: safeguard use of SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS.

The flag was recently removed by BoringSSL.

diff --git a/src/event/ngx_event_openssl.c b/src/event/ngx_event_openssl.c
--- a/src/event/ngx_event_openssl.c
+++ b/src/event/ngx_event_openssl.c
@@ -1146,11 +1146,15 @@ ngx_ssl_handshake(ngx_connection_t *c)
         c->recv_chain = ngx_ssl_recv_chain;
         c->send_chain = ngx_ssl_send_chain;
 
+#ifdef SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS
+
         /* initial handshake done, disable renegotiation (CVE-2009-3555) */
         if (c->ssl->connection->s3) {
             c->ssl->connection->s3->flags |= SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS;
         }
 
+#endif
+
         return NGX_OK;
     }