check in v3.8.1 source
This commit is contained in:
161
crypto/bio/bss_null.c
Normal file
161
crypto/bio/bss_null.c
Normal file
@@ -0,0 +1,161 @@
|
||||
/* $OpenBSD: bss_null.c,v 1.13 2023/07/05 21:23:37 beck Exp $ */
|
||||
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
|
||||
* All rights reserved.
|
||||
*
|
||||
* This package is an SSL implementation written
|
||||
* by Eric Young (eay@cryptsoft.com).
|
||||
* The implementation was written so as to conform with Netscapes SSL.
|
||||
*
|
||||
* This library is free for commercial and non-commercial use as long as
|
||||
* the following conditions are aheared to. The following conditions
|
||||
* apply to all code found in this distribution, be it the RC4, RSA,
|
||||
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
|
||||
* included with this distribution is covered by the same copyright terms
|
||||
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
|
||||
*
|
||||
* Copyright remains Eric Young's, and as such any Copyright notices in
|
||||
* the code are not to be removed.
|
||||
* If this package is used in a product, Eric Young should be given attribution
|
||||
* as the author of the parts of the library used.
|
||||
* This can be in the form of a textual message at program startup or
|
||||
* in documentation (online or textual) provided with the package.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* "This product includes cryptographic software written by
|
||||
* Eric Young (eay@cryptsoft.com)"
|
||||
* The word 'cryptographic' can be left out if the rouines from the library
|
||||
* being used are not cryptographic related :-).
|
||||
* 4. If you include any Windows specific code (or a derivative thereof) from
|
||||
* the apps directory (application code) you must include an acknowledgement:
|
||||
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* The licence and distribution terms for any publically available version or
|
||||
* derivative of this code cannot be changed. i.e. this code cannot simply be
|
||||
* copied and put under another distribution licence
|
||||
* [including the GNU Public Licence.]
|
||||
*/
|
||||
|
||||
#include <errno.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
|
||||
#include <openssl/bio.h>
|
||||
|
||||
#include "bio_local.h"
|
||||
|
||||
static int null_write(BIO *h, const char *buf, int num);
|
||||
static int null_read(BIO *h, char *buf, int size);
|
||||
static int null_puts(BIO *h, const char *str);
|
||||
static int null_gets(BIO *h, char *str, int size);
|
||||
static long null_ctrl(BIO *h, int cmd, long arg1, void *arg2);
|
||||
static int null_new(BIO *h);
|
||||
static int null_free(BIO *data);
|
||||
|
||||
static const BIO_METHOD null_method = {
|
||||
.type = BIO_TYPE_NULL,
|
||||
.name = "NULL",
|
||||
.bwrite = null_write,
|
||||
.bread = null_read,
|
||||
.bputs = null_puts,
|
||||
.bgets = null_gets,
|
||||
.ctrl = null_ctrl,
|
||||
.create = null_new,
|
||||
.destroy = null_free
|
||||
};
|
||||
|
||||
const BIO_METHOD *
|
||||
BIO_s_null(void)
|
||||
{
|
||||
return (&null_method);
|
||||
}
|
||||
LCRYPTO_ALIAS(BIO_s_null);
|
||||
|
||||
static int
|
||||
null_new(BIO *bi)
|
||||
{
|
||||
bi->init = 1;
|
||||
bi->num = 0;
|
||||
bi->ptr = (NULL);
|
||||
return (1);
|
||||
}
|
||||
|
||||
static int
|
||||
null_free(BIO *a)
|
||||
{
|
||||
if (a == NULL)
|
||||
return (0);
|
||||
return (1);
|
||||
}
|
||||
|
||||
static int
|
||||
null_read(BIO *b, char *out, int outl)
|
||||
{
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
null_write(BIO *b, const char *in, int inl)
|
||||
{
|
||||
return (inl);
|
||||
}
|
||||
|
||||
static long
|
||||
null_ctrl(BIO *b, int cmd, long num, void *ptr)
|
||||
{
|
||||
long ret = 1;
|
||||
|
||||
switch (cmd) {
|
||||
case BIO_CTRL_RESET:
|
||||
case BIO_CTRL_EOF:
|
||||
case BIO_CTRL_SET:
|
||||
case BIO_CTRL_SET_CLOSE:
|
||||
case BIO_CTRL_FLUSH:
|
||||
case BIO_CTRL_DUP:
|
||||
ret = 1;
|
||||
break;
|
||||
case BIO_CTRL_GET_CLOSE:
|
||||
case BIO_CTRL_INFO:
|
||||
case BIO_CTRL_GET:
|
||||
case BIO_CTRL_PENDING:
|
||||
case BIO_CTRL_WPENDING:
|
||||
default:
|
||||
ret = 0;
|
||||
break;
|
||||
}
|
||||
return (ret);
|
||||
}
|
||||
|
||||
static int
|
||||
null_gets(BIO *bp, char *buf, int size)
|
||||
{
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
null_puts(BIO *bp, const char *str)
|
||||
{
|
||||
if (str == NULL)
|
||||
return (0);
|
||||
return (strlen(str));
|
||||
}
|
||||
Reference in New Issue
Block a user