/*
- * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2016-2022 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/core.h>
+# include <openssl/bio.h>
struct bio_method_st {
int type;
- const char *name;
- int (*bwrite) (BIO *, const char *, int);
- int (*bread) (BIO *, char *, int);
+ char *name;
+ int (*bwrite) (BIO *, const char *, size_t, size_t *);
+ int (*bwrite_old) (BIO *, const char *, int);
+ int (*bread) (BIO *, char *, size_t, size_t *);
+ int (*bread_old) (BIO *, char *, int);
int (*bputs) (BIO *, const char *);
int (*bgets) (BIO *, char *, int);
long (*ctrl) (BIO *, int, long, void *);
int (*create) (BIO *);
int (*destroy) (BIO *);
- long (*callback_ctrl) (BIO *, int, bio_info_cb *);
+ long (*callback_ctrl) (BIO *, int, BIO_info_cb *);
+ int (*bsendmmsg) (BIO *, BIO_MSG *, size_t, size_t, uint64_t, size_t *);
+ int (*brecvmmsg) (BIO *, BIO_MSG *, size_t, size_t, uint64_t, size_t *);
};
void bio_free_ex_data(BIO *bio);
void bio_cleanup(void);
+
+
+/* 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
+# define BIO_CTRL_SET_KTLS_TX_ZEROCOPY_SENDFILE 90
+
+/*
+ * 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.
+ * BIO_FLAGS_KTLS_TX_ZEROCOPY_SENDFILE means we are using the zerocopy mode with
+ * this BIO for sending using sendfile.
+ */
+# define BIO_FLAGS_KTLS_TX_CTRL_MSG 0x1000
+# define BIO_FLAGS_KTLS_RX 0x2000
+# define BIO_FLAGS_KTLS_TX 0x4000
+# define BIO_FLAGS_KTLS_TX_ZEROCOPY_SENDFILE 0x8000
+
+/* 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_zerocopy_sendfile_flag(b) \
+ BIO_set_flags(b, BIO_FLAGS_KTLS_TX_ZEROCOPY_SENDFILE)
+
+# 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)
+# define BIO_set_ktls_tx_zerocopy_sendfile(b) \
+ BIO_ctrl(b, BIO_CTRL_SET_KTLS_TX_ZEROCOPY_SENDFILE, 0, NULL)
+
+/* Functions to allow the core to offer the CORE_BIO type to providers */
+OSSL_CORE_BIO *ossl_core_bio_new_from_bio(BIO *bio);
+OSSL_CORE_BIO *ossl_core_bio_new_file(const char *filename, const char *mode);
+OSSL_CORE_BIO *ossl_core_bio_new_mem_buf(const void *buf, int len);
+int ossl_core_bio_read_ex(OSSL_CORE_BIO *cb, void *data, size_t dlen,
+ size_t *readbytes);
+int ossl_core_bio_write_ex(OSSL_CORE_BIO *cb, const void *data, size_t dlen,
+ size_t *written);
+int ossl_core_bio_gets(OSSL_CORE_BIO *cb, char *buf, int size);
+int ossl_core_bio_puts(OSSL_CORE_BIO *cb, const char *buf);
+long ossl_core_bio_ctrl(OSSL_CORE_BIO *cb, int cmd, long larg, void *parg);
+int ossl_core_bio_up_ref(OSSL_CORE_BIO *cb);
+int ossl_core_bio_free(OSSL_CORE_BIO *cb);
+int ossl_core_bio_vprintf(OSSL_CORE_BIO *cb, const char *format, va_list args);
+
+int ossl_bio_init_core(OSSL_LIB_CTX *libctx, const OSSL_DISPATCH *fns);
+
+#endif