/* 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.]

 */

 /*

 © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.

 */

#include <stdio.h>

#include <string.h>

#include <stdlib.h>

#include "cryptlib.h"

#include <openssl/bio.h>

#include <openssl/err.h>

EXPORT_C long MS_CALLBACK BIO_debug_callback(BIO *bio, int cmd, const char *argp,

	     int argi, long argl, long ret)

	{

	BIO *b;

#ifndef SYMBIAN	

	MS_STATIC char buf[256];

#else

 char buf[100];

#endif	

	char *p;

	long r=1;

	size_t p_maxlen;

	if (BIO_CB_RETURN & cmd)

		r=ret;

	BIO_snprintf(buf,sizeof buf,"BIO[%08lX]:",(unsigned long)bio);

	p= &(buf[14]);

	p_maxlen = sizeof buf - 14;

	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,%d) - %s fd=%d\n",

				 bio->num,argi,bio->method->name,bio->num);

		else

			BIO_snprintf(p,p_maxlen,"read(%d,%d) - %s\n",

				 bio->num,argi,bio->method->name);

		break;

	case BIO_CB_WRITE:

		if (bio->method->type & BIO_TYPE_DESCRIPTOR)

			BIO_snprintf(p,p_maxlen,"write(%d,%d) - %s fd=%d\n",

				 bio->num,argi,bio->method->name,bio->num);

		else

			BIO_snprintf(p,p_maxlen,"write(%d,%d) - %s\n",

				 bio->num,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(%d) - %s\n",argi,bio->method->name);

		break;

	case BIO_CB_CTRL:

		BIO_snprintf(p,p_maxlen,"ctrl(%d) - %s\n",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) && !defined(OPENSSL_SYS_WIN16)

	else

		fputs(buf,stderr);

#endif

	return(r);

	}