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/* crypto/bio/bio_cb.c */
/* 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 <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "internal/cryptlib.h"
#include <openssl/bio.h>
#include <openssl/err.h>
long BIO_debug_callback(BIO *bio, int cmd, const char *argp,
int argi, long argl, long ret)
{
BIO *b;
char buf[256];
char *p;
long r = 1;
int len;
size_t p_maxlen;
if (BIO_CB_RETURN & cmd)
r = ret;
len = BIO_snprintf(buf,sizeof buf,"BIO[%p]: ",(void *)bio);
p = buf + len;
p_maxlen = sizeof(buf) - len;
switch (cmd) {
case BIO_CB_FREE:
BIO_snprintf(p, p_maxlen, "Free - %s\n", bio->method->name);
break;
case BIO_CB_READ:
if (bio->method->type & BIO_TYPE_DESCRIPTOR)
BIO_snprintf(p, p_maxlen, "read(%d,%lu) - %s fd=%d\n",
bio->num, (unsigned long)argi,
bio->method->name, bio->num);
else
BIO_snprintf(p, p_maxlen, "read(%d,%lu) - %s\n",
bio->num, (unsigned long)argi, bio->method->name);
break;
case BIO_CB_WRITE:
if (bio->method->type & BIO_TYPE_DESCRIPTOR)
BIO_snprintf(p, p_maxlen, "write(%d,%lu) - %s fd=%d\n",
bio->num, (unsigned long)argi,
bio->method->name, bio->num);
else
BIO_snprintf(p, p_maxlen, "write(%d,%lu) - %s\n",
bio->num, (unsigned long)argi, bio->method->name);
break;
case BIO_CB_PUTS:
BIO_snprintf(p, p_maxlen, "puts() - %s\n", bio->method->name);
break;
case BIO_CB_GETS:
BIO_snprintf(p, p_maxlen, "gets(%lu) - %s\n", (unsigned long)argi,
bio->method->name);
break;
case BIO_CB_CTRL:
BIO_snprintf(p, p_maxlen, "ctrl(%lu) - %s\n", (unsigned long)argi,
bio->method->name);
break;
case BIO_CB_RETURN | BIO_CB_READ:
BIO_snprintf(p, p_maxlen, "read return %ld\n", ret);
break;
case BIO_CB_RETURN | BIO_CB_WRITE:
BIO_snprintf(p, p_maxlen, "write return %ld\n", ret);
break;
case BIO_CB_RETURN | BIO_CB_GETS:
BIO_snprintf(p, p_maxlen, "gets return %ld\n", ret);
break;
case BIO_CB_RETURN | BIO_CB_PUTS:
BIO_snprintf(p, p_maxlen, "puts return %ld\n", ret);
break;
case BIO_CB_RETURN | BIO_CB_CTRL:
BIO_snprintf(p, p_maxlen, "ctrl return %ld\n", ret);
break;
default:
BIO_snprintf(p, p_maxlen, "bio callback - unknown type (%d)\n", cmd);
break;
}
b = (BIO *)bio->cb_arg;
if (b != NULL)
BIO_write(b, buf, strlen(buf));
#if !defined(OPENSSL_NO_STDIO)
else
fputs(buf, stderr);
#endif
return (r);
}
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