/*
- * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2016-2021 The OpenSSL Project Authors. All Rights Reserved.
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
-#include <openssl/bio.h>
+#ifndef OSSL_INTERNAL_BIO_H
+# define OSSL_INTERNAL_BIO_H
+# pragma once
+
+# include <openssl/bio.h>
struct bio_method_st {
int type;
/* Old style to new style BIO_METHOD conversion functions */
int bwrite_conv(BIO *bio, const char *data, size_t datal, size_t *written);
int bread_conv(BIO *bio, char *data, size_t datal, size_t *read);
+
+/* Changes to these internal BIOs must also update include/openssl/bio.h */
+# define BIO_CTRL_SET_KTLS 72
+# define BIO_CTRL_SET_KTLS_TX_SEND_CTRL_MSG 74
+# define BIO_CTRL_CLEAR_KTLS_TX_CTRL_MSG 75
+
+/*
+ * This is used with socket BIOs:
+ * BIO_FLAGS_KTLS_TX means we are using ktls with this BIO for sending.
+ * BIO_FLAGS_KTLS_TX_CTRL_MSG means we are about to send a ctrl message next.
+ * BIO_FLAGS_KTLS_RX means we are using ktls with this BIO for receiving.
+ */
+# define BIO_FLAGS_KTLS_TX 0x800
+# define BIO_FLAGS_KTLS_TX_CTRL_MSG 0x1000
+# define BIO_FLAGS_KTLS_RX 0x2000
+
+/* KTLS related controls and flags */
+# define BIO_set_ktls_flag(b, is_tx) \
+ BIO_set_flags(b, (is_tx) ? BIO_FLAGS_KTLS_TX : BIO_FLAGS_KTLS_RX)
+# define BIO_should_ktls_flag(b, is_tx) \
+ BIO_test_flags(b, (is_tx) ? BIO_FLAGS_KTLS_TX : BIO_FLAGS_KTLS_RX)
+# define BIO_set_ktls_ctrl_msg_flag(b) \
+ BIO_set_flags(b, BIO_FLAGS_KTLS_TX_CTRL_MSG)
+# define BIO_should_ktls_ctrl_msg_flag(b) \
+ BIO_test_flags(b, BIO_FLAGS_KTLS_TX_CTRL_MSG)
+# define BIO_clear_ktls_ctrl_msg_flag(b) \
+ BIO_clear_flags(b, BIO_FLAGS_KTLS_TX_CTRL_MSG)
+
+# define BIO_set_ktls(b, keyblob, is_tx) \
+ BIO_ctrl(b, BIO_CTRL_SET_KTLS, is_tx, keyblob)
+# define BIO_set_ktls_ctrl_msg(b, record_type) \
+ BIO_ctrl(b, BIO_CTRL_SET_KTLS_TX_SEND_CTRL_MSG, record_type, NULL)
+# define BIO_clear_ktls_ctrl_msg(b) \
+ BIO_ctrl(b, BIO_CTRL_CLEAR_KTLS_TX_CTRL_MSG, 0, NULL)
+
+#endif