ref: 4410517b44fd2610abe0dcd1349bb3e6b3c5ddb8
dir: /sys/src/ape/lib/openssl/crypto/x509/x509_obj.c/
/* crypto/x509/x509_obj.c */
/* Copyright (C) 1995-1998 Eric Young ([email protected])
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young ([email protected]).
* 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 ([email protected]).
*
* 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 ([email protected])"
* 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 ([email protected])"
*
* 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.]
*/
#include <stdio.h>
#include "cryptlib.h"
#include <openssl/lhash.h>
#include <openssl/objects.h>
#include <openssl/x509.h>
#include <openssl/buffer.h>
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;
static char hex[17]="0123456789ABCDEF";
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);
}