GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcrypto/bio/bio_cb.c Lines: 0 40 0.0 %
Date: 2017-11-07 Branches: 0 20 0.0 %

Line Branch Exec Source
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/* $OpenBSD: bio_cb.c,v 1.16 2014/12/08 03:54:19 bcook 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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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <openssl/err.h>
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#include <openssl/bio.h>
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long
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BIO_debug_callback(BIO *bio, int cmd, const char *argp, int argi, long argl,
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    long ret)
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{
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	BIO *b;
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	char buf[256];
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	char *p;
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	long r = 1;
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	size_t p_maxlen;
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	if (BIO_CB_RETURN & cmd)
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		r = ret;
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	snprintf(buf, sizeof buf, "BIO[%p]:", bio);
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	p = &(buf[14]);
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	p_maxlen = sizeof buf - 14;
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	switch (cmd) {
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	case BIO_CB_FREE:
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		snprintf(p, p_maxlen, "Free - %s\n", bio->method->name);
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		break;
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	case BIO_CB_READ:
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		if (bio->method->type & BIO_TYPE_DESCRIPTOR)
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			snprintf(p, p_maxlen,
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			    "read(%d,%lu) - %s fd=%d\n",
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			    bio->num, (unsigned long)argi,
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			    bio->method->name, bio->num);
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		else
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			snprintf(p, p_maxlen, "read(%d,%lu) - %s\n",
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			    bio->num, (unsigned long)argi, bio->method->name);
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		break;
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	case BIO_CB_WRITE:
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		if (bio->method->type & BIO_TYPE_DESCRIPTOR)
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			snprintf(p, p_maxlen,
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			    "write(%d,%lu) - %s fd=%d\n",
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			    bio->num, (unsigned long)argi,
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			    bio->method->name, bio->num);
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		else
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			snprintf(p, p_maxlen, "write(%d,%lu) - %s\n",
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			    bio->num, (unsigned long)argi, bio->method->name);
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		break;
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	case BIO_CB_PUTS:
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		snprintf(p, p_maxlen,
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		    "puts() - %s\n", bio->method->name);
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		break;
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	case BIO_CB_GETS:
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		snprintf(p, p_maxlen, "gets(%lu) - %s\n",
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		    (unsigned long)argi, bio->method->name);
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		break;
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	case BIO_CB_CTRL:
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		snprintf(p, p_maxlen, "ctrl(%lu) - %s\n",
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		    (unsigned long)argi, bio->method->name);
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		break;
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	case BIO_CB_RETURN|BIO_CB_READ:
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		snprintf(p, p_maxlen, "read return %ld\n", ret);
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		break;
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	case BIO_CB_RETURN|BIO_CB_WRITE:
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		snprintf(p, p_maxlen, "write return %ld\n", ret);
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		break;
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	case BIO_CB_RETURN|BIO_CB_GETS:
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		snprintf(p, p_maxlen, "gets return %ld\n", ret);
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		break;
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	case BIO_CB_RETURN|BIO_CB_PUTS:
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		snprintf(p, p_maxlen, "puts return %ld\n", ret);
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		break;
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	case BIO_CB_RETURN|BIO_CB_CTRL:
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		snprintf(p, p_maxlen, "ctrl return %ld\n", ret);
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		break;
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	default:
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		snprintf(p, p_maxlen,
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		    "bio callback - unknown type (%d)\n", cmd);
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		break;
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	}
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	b = (BIO *)bio->cb_arg;
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	if (b != NULL)
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		BIO_write(b, buf, strlen(buf));
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	else
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		fputs(buf, stderr);
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	return (r);
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}