x509_obj.c
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上传日期:2020-08-09
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- /* 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.]
- */
- #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]=' ';
- len=200;
- }
- if (a == NULL)
- {
- if(b)
- {
- buf=b->data;
- OPENSSL_free(b);
- }
- strncpy(buf,"NO X509_NAME",len);
- buf[len-1]=' ';
- return buf;
- }
- len--; /* space for ' ' */
- 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=' ';
- }
- if (b != NULL)
- {
- p=b->data;
- OPENSSL_free(b);
- }
- else
- p=buf;
- if (i == 0)
- *p = ' ';
- return(p);
- err:
- X509err(X509_F_X509_NAME_ONELINE,ERR_R_MALLOC_FAILURE);
- if (b != NULL) BUF_MEM_free(b);
- return(NULL);
- }