# HG changeset patch
# User Sergey Kandaurov <pluknet@nginx.com>
# Date 1492517558 -10800
# Node ID 08dc609791336b0b281cfa17fce228733eaa06ee
# Parent  dbb0c854e30880721247c600f9620457f9e35a79
SSL: added support for TLSv1.3 in ssl_protocols directive.

Support for the TLSv1.3 protocol will be introduced in OpenSSL 1.1.1.

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
@@ -323,6 +323,12 @@ ngx_ssl_create(ngx_ssl_t *ssl, ngx_uint_
         SSL_CTX_set_options(ssl->ctx, SSL_OP_NO_TLSv1_2);
     }
 #endif
+#ifdef SSL_OP_NO_TLSv1_3
+    SSL_CTX_clear_options(ssl->ctx, SSL_OP_NO_TLSv1_3);
+    if (!(protocols & NGX_SSL_TLSv1_3)) {
+        SSL_CTX_set_options(ssl->ctx, SSL_OP_NO_TLSv1_3);
+    }
+#endif
 
 #ifdef SSL_OP_NO_COMPRESSION
     SSL_CTX_set_options(ssl->ctx, SSL_OP_NO_COMPRESSION);
diff --git a/src/event/ngx_event_openssl.h b/src/event/ngx_event_openssl.h
--- a/src/event/ngx_event_openssl.h
+++ b/src/event/ngx_event_openssl.h
@@ -131,6 +131,7 @@ typedef struct {
 #define NGX_SSL_TLSv1    0x0008
 #define NGX_SSL_TLSv1_1  0x0010
 #define NGX_SSL_TLSv1_2  0x0020
+#define NGX_SSL_TLSv1_3  0x0040
 
 
 #define NGX_SSL_BUFFER   1
diff --git a/src/http/modules/ngx_http_proxy_module.c b/src/http/modules/ngx_http_proxy_module.c
--- a/src/http/modules/ngx_http_proxy_module.c
+++ b/src/http/modules/ngx_http_proxy_module.c
@@ -235,6 +235,7 @@ static ngx_conf_bitmask_t  ngx_http_prox
     { ngx_string("TLSv1"), NGX_SSL_TLSv1 },
     { ngx_string("TLSv1.1"), NGX_SSL_TLSv1_1 },
     { ngx_string("TLSv1.2"), NGX_SSL_TLSv1_2 },
+    { ngx_string("TLSv1.3"), NGX_SSL_TLSv1_3 },
     { ngx_null_string, 0 }
 };
 
diff --git a/src/http/modules/ngx_http_ssl_module.c b/src/http/modules/ngx_http_ssl_module.c
--- a/src/http/modules/ngx_http_ssl_module.c
+++ b/src/http/modules/ngx_http_ssl_module.c
@@ -57,6 +57,7 @@ static ngx_conf_bitmask_t  ngx_http_ssl_
     { ngx_string("TLSv1"), NGX_SSL_TLSv1 },
     { ngx_string("TLSv1.1"), NGX_SSL_TLSv1_1 },
     { ngx_string("TLSv1.2"), NGX_SSL_TLSv1_2 },
+    { ngx_string("TLSv1.3"), NGX_SSL_TLSv1_3 },
     { ngx_null_string, 0 }
 };
 
diff --git a/src/http/modules/ngx_http_uwsgi_module.c b/src/http/modules/ngx_http_uwsgi_module.c
--- a/src/http/modules/ngx_http_uwsgi_module.c
+++ b/src/http/modules/ngx_http_uwsgi_module.c
@@ -129,6 +129,7 @@ static ngx_conf_bitmask_t  ngx_http_uwsg
     { ngx_string("TLSv1"), NGX_SSL_TLSv1 },
     { ngx_string("TLSv1.1"), NGX_SSL_TLSv1_1 },
     { ngx_string("TLSv1.2"), NGX_SSL_TLSv1_2 },
+    { ngx_string("TLSv1.3"), NGX_SSL_TLSv1_3 },
     { ngx_null_string, 0 }
 };
 
diff --git a/src/mail/ngx_mail_ssl_module.c b/src/mail/ngx_mail_ssl_module.c
--- a/src/mail/ngx_mail_ssl_module.c
+++ b/src/mail/ngx_mail_ssl_module.c
@@ -42,6 +42,7 @@ static ngx_conf_bitmask_t  ngx_mail_ssl_
     { ngx_string("TLSv1"), NGX_SSL_TLSv1 },
     { ngx_string("TLSv1.1"), NGX_SSL_TLSv1_1 },
     { ngx_string("TLSv1.2"), NGX_SSL_TLSv1_2 },
+    { ngx_string("TLSv1.3"), NGX_SSL_TLSv1_3 },
     { ngx_null_string, 0 }
 };
 
diff --git a/src/stream/ngx_stream_proxy_module.c b/src/stream/ngx_stream_proxy_module.c
--- a/src/stream/ngx_stream_proxy_module.c
+++ b/src/stream/ngx_stream_proxy_module.c
@@ -103,6 +103,7 @@ static ngx_conf_bitmask_t  ngx_stream_pr
     { ngx_string("TLSv1"), NGX_SSL_TLSv1 },
     { ngx_string("TLSv1.1"), NGX_SSL_TLSv1_1 },
     { ngx_string("TLSv1.2"), NGX_SSL_TLSv1_2 },
+    { ngx_string("TLSv1.3"), NGX_SSL_TLSv1_3 },
     { ngx_null_string, 0 }
 };
 
diff --git a/src/stream/ngx_stream_ssl_module.c b/src/stream/ngx_stream_ssl_module.c
--- a/src/stream/ngx_stream_ssl_module.c
+++ b/src/stream/ngx_stream_ssl_module.c
@@ -45,6 +45,7 @@ static ngx_conf_bitmask_t  ngx_stream_ss
     { ngx_string("TLSv1"), NGX_SSL_TLSv1 },
     { ngx_string("TLSv1.1"), NGX_SSL_TLSv1_1 },
     { ngx_string("TLSv1.2"), NGX_SSL_TLSv1_2 },
+    { ngx_string("TLSv1.3"), NGX_SSL_TLSv1_3 },
     { ngx_null_string, 0 }
 };