BIO_ssl: Make helper functions configure BIOs for QUIC correctly

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/21715)

diff --git a/ssl/bio_ssl.c b/ssl/bio_ssl.c
index ea72b394a175ac1567a72d22c1566f8d93f00d14..b342c846daa03b88d5b82e9eb4cb6730cbfd3399 100644 (file)
--- a/ssl/bio_ssl.c
+++ b/ssl/bio_ssl.c
@@ -438,6 +438,12 @@ BIO *BIO_new_buffer_ssl_connect(SSL_CTX *ctx)
 #ifndef OPENSSL_NO_SOCK
     BIO *ret = NULL, *buf = NULL, *ssl = NULL;
 
+# ifndef OPENSSL_NO_QUIC
+    if (ctx != NULL && IS_QUIC_CTX(ctx))
+        /* Never use buffering for QUIC. */
+        return BIO_new_ssl_connect(ctx);
+# endif
+
     if ((buf = BIO_new(BIO_f_buffer())) == NULL)
         return NULL;
     if ((ssl = BIO_new_ssl_connect(ctx)) == NULL)
@@ -459,6 +465,13 @@ BIO *BIO_new_ssl_connect(SSL_CTX *ctx)
 
     if ((con = BIO_new(BIO_s_connect())) == NULL)
         return NULL;
+
+# ifndef OPENSSL_NO_QUIC
+    if (ctx != NULL && IS_QUIC_CTX(ctx))
+        if (!BIO_set_sock_type(con, SOCK_DGRAM))
+            goto err;
+#endif
+
     if ((ssl = BIO_new_ssl(ctx, 1)) == NULL)
         goto err;
     if ((ret = BIO_push(ssl, con)) == NULL)