/* 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);

 	}