/* crypto/x509/x509_obj.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 "cryptlib.h"

#include <openssl/lhash.h>

#include <openssl/objects.h>

#include <openssl/x509.h>

#include <openssl/buffer.h>

#if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__)))

#include "libcrypto_wsd_macros.h"

#include "libcrypto_wsd.h"

#endif

EXPORT_C char *X509_NAME_oneline(X509_NAME *a, char *buf, int len)

	{

	X509_NAME_ENTRY *ne;

int i;

	int n,lold,l,l1,l2,num,j,type;

	const char *s;

	char *p;

	unsigned char *q;

	BUF_MEM *b=NULL;

#ifndef EMULATOR	

	static char hex[17]="0123456789ABCDEF";

#else

    static const char hex[17]="0123456789ABCDEF";	

#endif	

	int gs_doit[4];

	char tmp_buf[80];

#ifdef CHARSET_EBCDIC

	char ebcdic_buf[1024];

#endif

	if (buf == NULL)

		{

		if ((b=BUF_MEM_new()) == NULL) goto err;

		if (!BUF_MEM_grow(b,200)) goto err;

		b->data[0]='\0';

		len=200;

		}

	if (a == NULL)

	    {

	    if(b)

		{

		buf=b->data;

		OPENSSL_free(b);

		}

	    strncpy(buf,"NO X509_NAME",len);

	    buf[len-1]='\0';

	    return buf;

	    }

	len--; /* space for '\0' */

	l=0;

	for (i=0; i<sk_X509_NAME_ENTRY_num(a->entries); i++)

		{

		ne=sk_X509_NAME_ENTRY_value(a->entries,i);

		n=OBJ_obj2nid(ne->object);

		if ((n == NID_undef) || ((s=OBJ_nid2sn(n)) == NULL))

			{

			i2t_ASN1_OBJECT(tmp_buf,sizeof(tmp_buf),ne->object);

			s=tmp_buf;

			}

		l1=strlen(s);

		type=ne->value->type;

		num=ne->value->length;

		q=ne->value->data;

#ifdef CHARSET_EBCDIC

                if (type == V_ASN1_GENERALSTRING ||

		    type == V_ASN1_VISIBLESTRING ||

		    type == V_ASN1_PRINTABLESTRING ||

		    type == V_ASN1_TELETEXSTRING ||

		    type == V_ASN1_VISIBLESTRING ||

		    type == V_ASN1_IA5STRING) {

                        ascii2ebcdic(ebcdic_buf, q,

				     (num > sizeof ebcdic_buf)

				     ? sizeof ebcdic_buf : num);

                        q=ebcdic_buf;

		}

#endif

		if ((type == V_ASN1_GENERALSTRING) && ((num%4) == 0))

			{

			gs_doit[0]=gs_doit[1]=gs_doit[2]=gs_doit[3]=0;

			for (j=0; j<num; j++)

				if (q[j] != 0) gs_doit[j&3]=1;

			if (gs_doit[0]|gs_doit[1]|gs_doit[2])

				gs_doit[0]=gs_doit[1]=gs_doit[2]=gs_doit[3]=1;

			else

				{

				gs_doit[0]=gs_doit[1]=gs_doit[2]=0;

				gs_doit[3]=1;

				}

			}

		else

			gs_doit[0]=gs_doit[1]=gs_doit[2]=gs_doit[3]=1;

		for (l2=j=0; j<num; j++)

			{

			if (!gs_doit[j&3]) continue;

			l2++;

#ifndef CHARSET_EBCDIC

			if ((q[j] < ' ') || (q[j] > '~')) l2+=3;

#else

			if ((os_toascii[q[j]] < os_toascii[' ']) ||

			    (os_toascii[q[j]] > os_toascii['~'])) l2+=3;

#endif

			}

		lold=l;

		l+=1+l1+1+l2;

		if (b != NULL)

			{

			if (!BUF_MEM_grow(b,l+1)) goto err;

			p= &(b->data[lold]);

			}

		else if (l > len)

			{

			break;

			}

		else

			p= &(buf[lold]);

		*(p++)='/';

		memcpy(p,s,(unsigned int)l1); p+=l1;

		*(p++)='=';

#ifndef CHARSET_EBCDIC /* q was assigned above already. */

		q=ne->value->data;

#endif

		for (j=0; j<num; j++)

			{

			if (!gs_doit[j&3]) continue;

#ifndef CHARSET_EBCDIC

			n=q[j];

			if ((n < ' ') || (n > '~'))

				{

				*(p++)='\\';

				*(p++)='x';

				*(p++)=hex[(n>>4)&0x0f];

				*(p++)=hex[n&0x0f];

				}

			else

				*(p++)=n;

#else

			n=os_toascii[q[j]];

			if ((n < os_toascii[' ']) ||

			    (n > os_toascii['~']))

				{

				*(p++)='\\';

				*(p++)='x';

				*(p++)=hex[(n>>4)&0x0f];

				*(p++)=hex[n&0x0f];

				}

			else

				*(p++)=q[j];

#endif

			}

		*p='\0';

		}

	if (b != NULL)

		{

		p=b->data;

		OPENSSL_free(b);

		}

	else

		p=buf;

	if (i == 0)

		*p = '\0';

	return(p);

err:

	X509err(X509_F_X509_NAME_ONELINE,ERR_R_MALLOC_FAILURE);

	if (b != NULL) BUF_MEM_free(b);

	return(NULL);

	}