Get rid of warn_binary

[openssl.git] / apps / s_server.c

diff --git a/apps/s_server.c b/apps/s_server.c
index a112b01f1b98d50bfb870b60514d82377a34b4d9..c5d9221e90cb96b6af18948832088503afd8c74c 100644 (file)
--- a/apps/s_server.c
+++ b/apps/s_server.c
@@ -130,6 +130,17 @@ static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 
     if (s_debug)
         BIO_printf(bio_s_out, "psk_server_cb\n");
+
+    if (SSL_version(ssl) >= TLS1_3_VERSION) {
+        /*
+         * This callback is designed for use in TLSv1.2. It is possible to use
+         * a single callback for all protocol versions - but it is preferred to
+         * use a dedicated callback for TLSv1.3. For TLSv1.3 we have
+         * psk_find_session_cb.
+         */
+        return 0;
+    }
+
     if (identity == NULL) {
         BIO_printf(bio_err, "Error: client did not send PSK identity\n");
         goto out_err;