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