ssl/libcrypto/src/crypto/asn1/t_x509.c
changeset 0 e4d67989cc36
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-1:000000000000 0:e4d67989cc36
       
     1 /* crypto/asn1/t_x509.c */
       
     2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
       
     3  * All rights reserved.
       
     4  *
       
     5  * This package is an SSL implementation written
       
     6  * by Eric Young (eay@cryptsoft.com).
       
     7  * The implementation was written so as to conform with Netscapes SSL.
       
     8  * 
       
     9  * This library is free for commercial and non-commercial use as long as
       
    10  * the following conditions are aheared to.  The following conditions
       
    11  * apply to all code found in this distribution, be it the RC4, RSA,
       
    12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
       
    13  * included with this distribution is covered by the same copyright terms
       
    14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
       
    15  * 
       
    16  * Copyright remains Eric Young's, and as such any Copyright notices in
       
    17  * the code are not to be removed.
       
    18  * If this package is used in a product, Eric Young should be given attribution
       
    19  * as the author of the parts of the library used.
       
    20  * This can be in the form of a textual message at program startup or
       
    21  * in documentation (online or textual) provided with the package.
       
    22  * 
       
    23  * Redistribution and use in source and binary forms, with or without
       
    24  * modification, are permitted provided that the following conditions
       
    25  * are met:
       
    26  * 1. Redistributions of source code must retain the copyright
       
    27  *    notice, this list of conditions and the following disclaimer.
       
    28  * 2. Redistributions in binary form must reproduce the above copyright
       
    29  *    notice, this list of conditions and the following disclaimer in the
       
    30  *    documentation and/or other materials provided with the distribution.
       
    31  * 3. All advertising materials mentioning features or use of this software
       
    32  *    must display the following acknowledgement:
       
    33  *    "This product includes cryptographic software written by
       
    34  *     Eric Young (eay@cryptsoft.com)"
       
    35  *    The word 'cryptographic' can be left out if the rouines from the library
       
    36  *    being used are not cryptographic related :-).
       
    37  * 4. If you include any Windows specific code (or a derivative thereof) from 
       
    38  *    the apps directory (application code) you must include an acknowledgement:
       
    39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
       
    40  * 
       
    41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
       
    42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
       
    43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
       
    44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
       
    45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
       
    46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
       
    47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
       
    48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
       
    49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
       
    50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
       
    51  * SUCH DAMAGE.
       
    52  * 
       
    53  * The licence and distribution terms for any publically available version or
       
    54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
       
    55  * copied and put under another distribution licence
       
    56  * [including the GNU Public Licence.]
       
    57  */
       
    58 /*
       
    59  © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.
       
    60  */
       
    61 
       
    62 #include <stdio.h>
       
    63 #include "cryptlib.h"
       
    64 #include <openssl/buffer.h>
       
    65 #include <openssl/bn.h>
       
    66 #ifndef OPENSSL_NO_RSA
       
    67 #include <openssl/rsa.h>
       
    68 #endif
       
    69 #ifndef OPENSSL_NO_DSA
       
    70 #include <openssl/dsa.h>
       
    71 #endif
       
    72 #ifndef OPENSSL_NO_EC
       
    73 #include <openssl/ec.h>
       
    74 #endif
       
    75 #include <openssl/objects.h>
       
    76 #include <openssl/x509.h>
       
    77 #include <openssl/x509v3.h>
       
    78 #if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__)))
       
    79 #include "libcrypto_wsd_macros.h"
       
    80 #include "libcrypto_wsd.h"
       
    81 #endif
       
    82 
       
    83 
       
    84 
       
    85 #ifndef OPENSSL_NO_FP_API
       
    86 EXPORT_C int X509_print_fp(FILE *fp, X509 *x)
       
    87 	{
       
    88 	return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
       
    89 	}
       
    90 
       
    91 EXPORT_C int X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag, unsigned long cflag)
       
    92         {
       
    93         BIO *b;
       
    94         int ret;
       
    95 
       
    96         if ((b=BIO_new(BIO_s_file())) == NULL)
       
    97 		{
       
    98 		X509err(X509_F_X509_PRINT_EX_FP,ERR_R_BUF_LIB);
       
    99                 return(0);
       
   100 		}
       
   101         BIO_set_fp(b,fp,BIO_NOCLOSE);
       
   102         ret=X509_print_ex(b, x, nmflag, cflag);
       
   103         BIO_free(b);
       
   104         return(ret);
       
   105         }
       
   106 #endif
       
   107 
       
   108 EXPORT_C int X509_print(BIO *bp, X509 *x)
       
   109 {
       
   110 	return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
       
   111 }
       
   112 
       
   113 EXPORT_C int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags, unsigned long cflag)
       
   114 	{
       
   115 	long l;
       
   116 	int ret=0,i;
       
   117 	char *m=NULL,mlch = ' ';
       
   118 	int nmindent = 0;
       
   119 	X509_CINF *ci;
       
   120 	ASN1_INTEGER *bs;
       
   121 	EVP_PKEY *pkey=NULL;
       
   122 	const char *neg;
       
   123 	ASN1_STRING *str=NULL;
       
   124 
       
   125 	if((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
       
   126 			mlch = '\n';
       
   127 			nmindent = 12;
       
   128 	}
       
   129 
       
   130 	if(nmflags == X509_FLAG_COMPAT)
       
   131 		nmindent = 16;
       
   132 
       
   133 	ci=x->cert_info;
       
   134 	if(!(cflag & X509_FLAG_NO_HEADER))
       
   135 		{
       
   136 		if (BIO_write(bp,"Certificate:\n",13) <= 0) goto err;
       
   137 		if (BIO_write(bp,"    Data:\n",10) <= 0) goto err;
       
   138 		}
       
   139 	if(!(cflag & X509_FLAG_NO_VERSION))
       
   140 		{
       
   141 		l=X509_get_version(x);
       
   142 		if (BIO_printf(bp,"%8sVersion: %lu (0x%lx)\n","",l+1,l) <= 0) goto err;
       
   143 		}
       
   144 	if(!(cflag & X509_FLAG_NO_SERIAL))
       
   145 		{
       
   146 
       
   147 		if (BIO_write(bp,"        Serial Number:",22) <= 0) goto err;
       
   148 
       
   149 		bs=X509_get_serialNumber(x);
       
   150 		if (bs->length <= 4)
       
   151 			{
       
   152 			l=ASN1_INTEGER_get(bs);
       
   153 			if (l < 0)
       
   154 				{
       
   155 				l= -l;
       
   156 				neg="-";
       
   157 				}
       
   158 			else
       
   159 				neg="";
       
   160 			if (BIO_printf(bp," %s%lu (%s0x%lx)\n",neg,l,neg,l) <= 0)
       
   161 				goto err;
       
   162 			}
       
   163 		else
       
   164 			{
       
   165 			neg=(bs->type == V_ASN1_NEG_INTEGER)?" (Negative)":"";
       
   166 			if (BIO_printf(bp,"\n%12s%s","",neg) <= 0) goto err;
       
   167 
       
   168 			for (i=0; i<bs->length; i++)
       
   169 				{
       
   170 				if (BIO_printf(bp,"%02x%c",bs->data[i],
       
   171 					((i+1 == bs->length)?'\n':':')) <= 0)
       
   172 					goto err;
       
   173 				}
       
   174 			}
       
   175 
       
   176 		}
       
   177 
       
   178 	if(!(cflag & X509_FLAG_NO_SIGNAME))
       
   179 		{
       
   180 		if (BIO_printf(bp,"%8sSignature Algorithm: ","") <= 0) 
       
   181 			goto err;
       
   182 		if (i2a_ASN1_OBJECT(bp, ci->signature->algorithm) <= 0)
       
   183 			goto err;
       
   184 		if (BIO_puts(bp, "\n") <= 0)
       
   185 			goto err;
       
   186 		}
       
   187 
       
   188 	if(!(cflag & X509_FLAG_NO_ISSUER))
       
   189 		{
       
   190 		if (BIO_printf(bp,"        Issuer:%c",mlch) <= 0) goto err;
       
   191 		if (X509_NAME_print_ex(bp,X509_get_issuer_name(x),nmindent, nmflags) < 0) goto err;
       
   192 		if (BIO_write(bp,"\n",1) <= 0) goto err;
       
   193 		}
       
   194 	if(!(cflag & X509_FLAG_NO_VALIDITY))
       
   195 		{
       
   196 		if (BIO_write(bp,"        Validity\n",17) <= 0) goto err;
       
   197 		if (BIO_write(bp,"            Not Before: ",24) <= 0) goto err;
       
   198 		if (!ASN1_TIME_print(bp,X509_get_notBefore(x))) goto err;
       
   199 		if (BIO_write(bp,"\n            Not After : ",25) <= 0) goto err;
       
   200 		if (!ASN1_TIME_print(bp,X509_get_notAfter(x))) goto err;
       
   201 		if (BIO_write(bp,"\n",1) <= 0) goto err;
       
   202 		}
       
   203 	if(!(cflag & X509_FLAG_NO_SUBJECT))
       
   204 		{
       
   205 		if (BIO_printf(bp,"        Subject:%c",mlch) <= 0) goto err;
       
   206 		if (X509_NAME_print_ex(bp,X509_get_subject_name(x),nmindent, nmflags) < 0) goto err;
       
   207 		if (BIO_write(bp,"\n",1) <= 0) goto err;
       
   208 		}
       
   209 	if(!(cflag & X509_FLAG_NO_PUBKEY))
       
   210 		{
       
   211 		if (BIO_write(bp,"        Subject Public Key Info:\n",33) <= 0)
       
   212 			goto err;
       
   213 		if (BIO_printf(bp,"%12sPublic Key Algorithm: ","") <= 0)
       
   214 			goto err;
       
   215 		if (i2a_ASN1_OBJECT(bp, ci->key->algor->algorithm) <= 0)
       
   216 			goto err;
       
   217 		if (BIO_puts(bp, "\n") <= 0)
       
   218 			goto err;
       
   219 
       
   220 		pkey=X509_get_pubkey(x);
       
   221 		if (pkey == NULL)
       
   222 			{
       
   223 			BIO_printf(bp,"%12sUnable to load Public Key\n","");
       
   224 			ERR_print_errors(bp);
       
   225 			}
       
   226 		else
       
   227 #ifndef OPENSSL_NO_RSA
       
   228 		if (pkey->type == EVP_PKEY_RSA)
       
   229 			{
       
   230 			BIO_printf(bp,"%12sRSA Public Key: (%d bit)\n","",
       
   231 			BN_num_bits(pkey->pkey.rsa->n));
       
   232 			RSA_print(bp,pkey->pkey.rsa,16);
       
   233 			}
       
   234 		else
       
   235 #endif
       
   236 #ifndef OPENSSL_NO_DSA
       
   237 		if (pkey->type == EVP_PKEY_DSA)
       
   238 			{
       
   239 			BIO_printf(bp,"%12sDSA Public Key:\n","");
       
   240 			DSA_print(bp,pkey->pkey.dsa,16);
       
   241 			}
       
   242 		else
       
   243 #endif
       
   244 #ifndef OPENSSL_NO_EC
       
   245 		if (pkey->type == EVP_PKEY_EC)
       
   246 			{
       
   247 			BIO_printf(bp, "%12sEC Public Key:\n","");
       
   248 			EC_KEY_print(bp, pkey->pkey.ec, 16);
       
   249 			}
       
   250 		else
       
   251 #endif
       
   252 			BIO_printf(bp,"%12sUnknown Public Key:\n","");
       
   253 
       
   254 		EVP_PKEY_free(pkey);
       
   255 		}
       
   256 
       
   257 	if (!(cflag & X509_FLAG_NO_EXTENSIONS))
       
   258 		X509V3_extensions_print(bp, "X509v3 extensions",
       
   259 					ci->extensions, cflag, 8);
       
   260 
       
   261 	if(!(cflag & X509_FLAG_NO_SIGDUMP))
       
   262 		{
       
   263 		if(X509_signature_print(bp, x->sig_alg, x->signature) <= 0) goto err;
       
   264 		}
       
   265 	if(!(cflag & X509_FLAG_NO_AUX))
       
   266 		{
       
   267 		if (!X509_CERT_AUX_print(bp, x->aux, 0)) goto err;
       
   268 		}
       
   269 	ret=1;
       
   270 err:
       
   271 	if (str != NULL) ASN1_STRING_free(str);
       
   272 	if (m != NULL) OPENSSL_free(m);
       
   273 	return(ret);
       
   274 	}
       
   275 
       
   276 EXPORT_C int X509_ocspid_print (BIO *bp, X509 *x)
       
   277 	{
       
   278 	unsigned char *der=NULL ;
       
   279 	unsigned char *dertmp;
       
   280 	int derlen;
       
   281 	int i;
       
   282 	unsigned char SHA1md[SHA_DIGEST_LENGTH];
       
   283 
       
   284 	/* display the hash of the subject as it would appear
       
   285 	   in OCSP requests */
       
   286 	if (BIO_printf(bp,"        Subject OCSP hash: ") <= 0)
       
   287 		goto err;
       
   288 	derlen = i2d_X509_NAME(x->cert_info->subject, NULL);
       
   289 	if ((der = dertmp = (unsigned char *)OPENSSL_malloc (derlen)) == NULL)
       
   290 		goto err;
       
   291 	i2d_X509_NAME(x->cert_info->subject, &dertmp);
       
   292 
       
   293 	EVP_Digest(der, derlen, SHA1md, NULL, EVP_sha1(), NULL);
       
   294 	for (i=0; i < SHA_DIGEST_LENGTH; i++)
       
   295 		{
       
   296 		if (BIO_printf(bp,"%02X",SHA1md[i]) <= 0) goto err;
       
   297 		}
       
   298 	OPENSSL_free (der);
       
   299 	der=NULL;
       
   300 
       
   301 	/* display the hash of the public key as it would appear
       
   302 	   in OCSP requests */
       
   303 	if (BIO_printf(bp,"\n        Public key OCSP hash: ") <= 0)
       
   304 		goto err;
       
   305 
       
   306 	EVP_Digest(x->cert_info->key->public_key->data,
       
   307 		x->cert_info->key->public_key->length, SHA1md, NULL, EVP_sha1(), NULL);
       
   308 	for (i=0; i < SHA_DIGEST_LENGTH; i++)
       
   309 		{
       
   310 		if (BIO_printf(bp,"%02X",SHA1md[i]) <= 0)
       
   311 			goto err;
       
   312 		}
       
   313 	BIO_printf(bp,"\n");
       
   314 
       
   315 	return (1);
       
   316 err:
       
   317 	if (der != NULL) OPENSSL_free(der);
       
   318 	return(0);
       
   319 	}
       
   320 
       
   321 EXPORT_C int X509_signature_print(BIO *bp, X509_ALGOR *sigalg, ASN1_STRING *sig)
       
   322 {
       
   323 	unsigned char *s;
       
   324 	int i, n;
       
   325 	if (BIO_puts(bp,"    Signature Algorithm: ") <= 0) return 0;
       
   326 	if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0) return 0;
       
   327 
       
   328 	n=sig->length;
       
   329 	s=sig->data;
       
   330 	for (i=0; i<n; i++)
       
   331 		{
       
   332 		if ((i%18) == 0)
       
   333 			if (BIO_write(bp,"\n        ",9) <= 0) return 0;
       
   334 			if (BIO_printf(bp,"%02x%s",s[i],
       
   335 				((i+1) == n)?"":":") <= 0) return 0;
       
   336 		}
       
   337 	if (BIO_write(bp,"\n",1) != 1) return 0;
       
   338 	return 1;
       
   339 }
       
   340 
       
   341 EXPORT_C int ASN1_STRING_print(BIO *bp, ASN1_STRING *v)
       
   342 	{
       
   343 	int i,n;
       
   344 	char buf[80],*p;;
       
   345 
       
   346 	if (v == NULL) return(0);
       
   347 	n=0;
       
   348 	p=(char *)v->data;
       
   349 	for (i=0; i<v->length; i++)
       
   350 		{
       
   351 		if ((p[i] > '~') || ((p[i] < ' ') &&
       
   352 			(p[i] != '\n') && (p[i] != '\r')))
       
   353 			buf[n]='.';
       
   354 		else
       
   355 			buf[n]=p[i];
       
   356 		n++;
       
   357 		if (n >= 80)
       
   358 			{
       
   359 			if (BIO_write(bp,buf,n) <= 0)
       
   360 				return(0);
       
   361 			n=0;
       
   362 			}
       
   363 		}
       
   364 	if (n > 0)
       
   365 		if (BIO_write(bp,buf,n) <= 0)
       
   366 			return(0);
       
   367 	return(1);
       
   368 	}
       
   369 
       
   370 EXPORT_C int ASN1_TIME_print(BIO *bp, ASN1_TIME *tm)
       
   371 {
       
   372 	if(tm->type == V_ASN1_UTCTIME) return ASN1_UTCTIME_print(bp, tm);
       
   373 	if(tm->type == V_ASN1_GENERALIZEDTIME)
       
   374 				return ASN1_GENERALIZEDTIME_print(bp, tm);
       
   375 	BIO_write(bp,"Bad time value",14);
       
   376 	return(0);
       
   377 }
       
   378 
       
   379 #ifndef EMULATOR
       
   380 static const char *mon[12]=
       
   381     {
       
   382     "Jan","Feb","Mar","Apr","May","Jun",
       
   383     "Jul","Aug","Sep","Oct","Nov","Dec"
       
   384     };
       
   385 #else
       
   386 static const char * const mon[12]=
       
   387     {
       
   388     "Jan","Feb","Mar","Apr","May","Jun",
       
   389     "Jul","Aug","Sep","Oct","Nov","Dec"
       
   390     };
       
   391 
       
   392 #endif
       
   393 EXPORT_C int ASN1_GENERALIZEDTIME_print(BIO *bp, ASN1_GENERALIZEDTIME *tm)
       
   394 	{
       
   395 	char *v;
       
   396 	int gmt=0;
       
   397 	int i;
       
   398 	int y=0,M=0,d=0,h=0,m=0,s=0;
       
   399 
       
   400 	i=tm->length;
       
   401 	v=(char *)tm->data;
       
   402 
       
   403 	if (i < 12) goto err;
       
   404 	if (v[i-1] == 'Z') gmt=1;
       
   405 	for (i=0; i<12; i++)
       
   406 		if ((v[i] > '9') || (v[i] < '0')) goto err;
       
   407 	y= (v[0]-'0')*1000+(v[1]-'0')*100 + (v[2]-'0')*10+(v[3]-'0');
       
   408 	M= (v[4]-'0')*10+(v[5]-'0');
       
   409 	if ((M > 12) || (M < 1)) goto err;
       
   410 	d= (v[6]-'0')*10+(v[7]-'0');
       
   411 	h= (v[8]-'0')*10+(v[9]-'0');
       
   412 	m=  (v[10]-'0')*10+(v[11]-'0');
       
   413 	if (	(v[12] >= '0') && (v[12] <= '9') &&
       
   414 		(v[13] >= '0') && (v[13] <= '9'))
       
   415 		s=  (v[12]-'0')*10+(v[13]-'0');
       
   416 
       
   417 	if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s",
       
   418 		mon[M-1],d,h,m,s,y,(gmt)?" GMT":"") <= 0)
       
   419 		return(0);
       
   420 	else
       
   421 		return(1);
       
   422 err:
       
   423 	BIO_write(bp,"Bad time value",14);
       
   424 	return(0);
       
   425 	}
       
   426 
       
   427 EXPORT_C int ASN1_UTCTIME_print(BIO *bp, ASN1_UTCTIME *tm)
       
   428 	{
       
   429 	char *v;
       
   430 	int gmt=0;
       
   431 	int i;
       
   432 	int y=0,M=0,d=0,h=0,m=0,s=0;
       
   433 
       
   434 	i=tm->length;
       
   435 	v=(char *)tm->data;
       
   436 
       
   437 	if (i < 10) goto err;
       
   438 	if (v[i-1] == 'Z') gmt=1;
       
   439 	for (i=0; i<10; i++)
       
   440 		if ((v[i] > '9') || (v[i] < '0')) goto err;
       
   441 	y= (v[0]-'0')*10+(v[1]-'0');
       
   442 	if (y < 50) y+=100;
       
   443 	M= (v[2]-'0')*10+(v[3]-'0');
       
   444 	if ((M > 12) || (M < 1)) goto err;
       
   445 	d= (v[4]-'0')*10+(v[5]-'0');
       
   446 	h= (v[6]-'0')*10+(v[7]-'0');
       
   447 	m=  (v[8]-'0')*10+(v[9]-'0');
       
   448 	if (	(v[10] >= '0') && (v[10] <= '9') &&
       
   449 		(v[11] >= '0') && (v[11] <= '9'))
       
   450 		s=  (v[10]-'0')*10+(v[11]-'0');
       
   451 
       
   452 	if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s",
       
   453 		mon[M-1],d,h,m,s,y+1900,(gmt)?" GMT":"") <= 0)
       
   454 		return(0);
       
   455 	else
       
   456 		return(1);
       
   457 err:
       
   458 	BIO_write(bp,"Bad time value",14);
       
   459 	return(0);
       
   460 	}
       
   461 
       
   462 EXPORT_C int X509_NAME_print(BIO *bp, X509_NAME *name, int obase)
       
   463 	{
       
   464 	char *s,*c,*b;
       
   465 	int ret=0,l,i;
       
   466 
       
   467 	l=80-2-obase;
       
   468 
       
   469 	b=s=X509_NAME_oneline(name,NULL,0);
       
   470 	if (!*s)
       
   471 		{
       
   472 		OPENSSL_free(b);
       
   473 		return 1;
       
   474 		}
       
   475 	s++; /* skip the first slash */
       
   476 
       
   477 	c=s;
       
   478 	for (;;)
       
   479 		{
       
   480 #ifndef CHARSET_EBCDIC
       
   481 		if (	((*s == '/') &&
       
   482 				((s[1] >= 'A') && (s[1] <= 'Z') && (
       
   483 					(s[2] == '=') ||
       
   484 					((s[2] >= 'A') && (s[2] <= 'Z') &&
       
   485 					(s[3] == '='))
       
   486 				 ))) ||
       
   487 			(*s == '\0'))
       
   488 #else
       
   489 		if (	((*s == '/') &&
       
   490 				(isupper(s[1]) && (
       
   491 					(s[2] == '=') ||
       
   492 					(isupper(s[2]) &&
       
   493 					(s[3] == '='))
       
   494 				 ))) ||
       
   495 			(*s == '\0'))
       
   496 #endif
       
   497 			{
       
   498 			i=s-c;
       
   499 			if (BIO_write(bp,c,i) != i) goto err;
       
   500 			c+=i;
       
   501 			c++;
       
   502 			if (*s != '\0')
       
   503 				{
       
   504 				if (BIO_write(bp,", ",2) != 2) goto err;
       
   505 				}
       
   506 			l--;
       
   507 			}
       
   508 		if (*s == '\0') break;
       
   509 		s++;
       
   510 		l--;
       
   511 		}
       
   512 	
       
   513 	ret=1;
       
   514 	if (0)
       
   515 		{
       
   516 err:
       
   517 		X509err(X509_F_X509_NAME_PRINT,ERR_R_BUF_LIB);
       
   518 		}
       
   519 	OPENSSL_free(b);
       
   520 	return(ret);
       
   521 	}
       
   522