123 lines
4.8 KiB
C
Executable file
123 lines
4.8 KiB
C
Executable file
/* $OpenBSD: bio_local.h,v 1.3 2022/01/14 08:40:57 tb Exp $ */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#ifndef HEADER_BIO_LOCAL_H
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#define HEADER_BIO_LOCAL_H
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__BEGIN_HIDDEN_DECLS
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struct bio_method_st {
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int type;
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const char *name;
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int (*bwrite)(BIO *, const char *, int);
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int (*bread)(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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} /* BIO_METHOD */;
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struct bio_st {
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const BIO_METHOD *method;
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BIO_callback_fn callback;
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BIO_callback_fn_ex callback_ex;
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char *cb_arg; /* first argument for the callback */
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int init;
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int shutdown;
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int flags; /* extra storage */
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int retry_reason;
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int num;
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void *ptr;
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struct bio_st *next_bio; /* used by filter BIOs */
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struct bio_st *prev_bio; /* used by filter BIOs */
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int references;
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unsigned long num_read;
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unsigned long num_write;
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CRYPTO_EX_DATA ex_data;
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} /* BIO */;
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typedef struct bio_f_buffer_ctx_struct {
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/* Buffers are setup like this:
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*
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* <---------------------- size ----------------------->
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* +---------------------------------------------------+
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* | consumed | remaining | free space |
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* +---------------------------------------------------+
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* <-- off --><------- len ------->
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*/
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/* BIO *bio; */ /* this is now in the BIO struct */
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int ibuf_size; /* how big is the input buffer */
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int obuf_size; /* how big is the output buffer */
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char *ibuf; /* the char array */
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int ibuf_len; /* how many bytes are in it */
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int ibuf_off; /* write/read offset */
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char *obuf; /* the char array */
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int obuf_len; /* how many bytes are in it */
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int obuf_off; /* write/read offset */
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} BIO_F_BUFFER_CTX;
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__END_HIDDEN_DECLS
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#endif /* !HEADER_BIO_LOCAL_H */
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