/* 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);

 	}