/* crypto/asn1/t_x509.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/buffer.h>
#include <openssl/bn.h>
#ifndef OPENSSL_NO_RSA
#include <openssl/rsa.h>
#endif
#ifndef OPENSSL_NO_DSA
#include <openssl/dsa.h>
#endif
#ifndef OPENSSL_NO_EC
#include <openssl/ec.h>
#endif
#include <openssl/objects.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#ifndef OPENSSL_NO_FP_API
int X509_print_fp(FILE *fp, X509 *x)
{
return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
}
int X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag, unsigned long cflag)
{
BIO *b;
int ret;
if ((b=BIO_new(BIO_s_file())) == NULL)
{
X509err(X509_F_X509_PRINT_EX_FP,ERR_R_BUF_LIB);
return(0);
}
BIO_set_fp(b,fp,BIO_NOCLOSE);
ret=X509_print_ex(b, x, nmflag, cflag);
BIO_free(b);
return(ret);
}
#endif
int X509_print(BIO *bp, X509 *x)
{
return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
}
int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags, unsigned long cflag)
{
long l;
int ret=0,i;
char *m=NULL,mlch = ' ';
int nmindent = 0;
X509_CINF *ci;
ASN1_INTEGER *bs;
EVP_PKEY *pkey=NULL;
const char *neg;
ASN1_STRING *str=NULL;
if((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
mlch = '\n';
nmindent = 12;
}
if(nmflags == X509_FLAG_COMPAT)
nmindent = 16;
ci=x->cert_info;
if(!(cflag & X509_FLAG_NO_HEADER))
{
if (BIO_write(bp,"Certificate:\n",13) <= 0) goto err;
if (BIO_write(bp," Data:\n",10) <= 0) goto err;
}
if(!(cflag & X509_FLAG_NO_VERSION))
{
l=X509_get_version(x);
if (BIO_printf(bp,"%8sVersion: %lu (0x%lx)\n","",l+1,l) <= 0) goto err;
}
if(!(cflag & X509_FLAG_NO_SERIAL))
{
if (BIO_write(bp," Serial Number:",22) <= 0) goto err;
bs=X509_get_serialNumber(x);
if (bs->length <= 4)
{
l=ASN1_INTEGER_get(bs);
if (l < 0)
{
l= -l;
neg="-";
}
else
neg="";
if (BIO_printf(bp," %s%lu (%s0x%lx)\n",neg,l,neg,l) <= 0)
goto err;
}
else
{
neg=(bs->type == V_ASN1_NEG_INTEGER)?" (Negative)":"";
if (BIO_printf(bp,"\n%12s%s","",neg) <= 0) goto err;
for (i=0; i<bs->length; i++)
{
if (BIO_printf(bp,"%02x%c",bs->data[i],
((i+1 == bs->length)?'\n':':')) <= 0)
goto err;
}
}
}
if(!(cflag & X509_FLAG_NO_SIGNAME))
{
if (BIO_printf(bp,"%8sSignature Algorithm: ","") <= 0)
goto err;
if (i2a_ASN1_OBJECT(bp, ci->signature->algorithm) <= 0)
goto err;
if (BIO_puts(bp, "\n") <= 0)
goto err;
}
if(!(cflag & X509_FLAG_NO_ISSUER))
{
if (BIO_printf(bp," Issuer:%c",mlch) <= 0) goto err;
if (X509_NAME_print_ex(bp,X509_get_issuer_name(x),nmindent, nmflags) < 0) goto err;
if (BIO_write(bp,"\n",1) <= 0) goto err;
}
if(!(cflag & X509_FLAG_NO_VALIDITY))
{
if (BIO_write(bp," Validity\n",17) <= 0) goto err;
if (BIO_write(bp," Not Before: ",24) <= 0) goto err;
if (!ASN1_TIME_print(bp,X509_get_notBefore(x))) goto err;
if (BIO_write(bp,"\n Not After : ",25) <= 0) goto err;
if (!ASN1_TIME_print(bp,X509_get_notAfter(x))) goto err;
if (BIO_write(bp,"\n",1) <= 0) goto err;
}
if(!(cflag & X509_FLAG_NO_SUBJECT))
{
if (BIO_printf(bp," Subject:%c",mlch) <= 0) goto err;
if (X509_NAME_print_ex(bp,X509_get_subject_name(x),nmindent, nmflags) < 0) goto err;
if (BIO_write(bp,"\n",1) <= 0) goto err;
}
if(!(cflag & X509_FLAG_NO_PUBKEY))
{
if (BIO_write(bp," Subject Public Key Info:\n",33) <= 0)
goto err;
if (BIO_printf(bp,"%12sPublic Key Algorithm: ","") <= 0)
goto err;
if (i2a_ASN1_OBJECT(bp, ci->key->algor->algorithm) <= 0)
goto err;
if (BIO_puts(bp, "\n") <= 0)
goto err;
pkey=X509_get_pubkey(x);
if (pkey == NULL)
{
BIO_printf(bp,"%12sUnable to load Public Key\n","");
ERR_print_errors(bp);
}
else
#ifndef OPENSSL_NO_RSA
if (pkey->type == EVP_PKEY_RSA)
{
BIO_printf(bp,"%12sRSA Public Key: (%d bit)\n","",
BN_num_bits(pkey->pkey.rsa->n));
RSA_print(bp,pkey->pkey.rsa,16);
}
else
#endif
#ifndef OPENSSL_NO_DSA
if (pkey->type == EVP_PKEY_DSA)
{
BIO_printf(bp,"%12sDSA Public Key:\n","");
DSA_print(bp,pkey->pkey.dsa,16);
}
else
#endif
#ifndef OPENSSL_NO_EC
if (pkey->type == EVP_PKEY_EC)
{
BIO_printf(bp, "%12sEC Public Key:\n","");
EC_KEY_print(bp, pkey->pkey.ec, 16);
}
else
#endif
BIO_printf(bp,"%12sUnknown Public Key:\n","");
EVP_PKEY_free(pkey);
}
if (!(cflag & X509_FLAG_NO_EXTENSIONS))
X509V3_extensions_print(bp, "X509v3 extensions",
ci->extensions, cflag, 8);
if(!(cflag & X509_FLAG_NO_SIGDUMP))
{
if(X509_signature_print(bp, x->sig_alg, x->signature) <= 0) goto err;
}
if(!(cflag & X509_FLAG_NO_AUX))
{
if (!X509_CERT_AUX_print(bp, x->aux, 0)) goto err;
}
ret=1;
err:
if (str != NULL) ASN1_STRING_free(str);
if (m != NULL) OPENSSL_free(m);
return(ret);
}
int X509_ocspid_print (BIO *bp, X509 *x)
{
unsigned char *der=NULL ;
unsigned char *dertmp;
int derlen;
int i;
unsigned char SHA1md[SHA_DIGEST_LENGTH];
/* display the hash of the subject as it would appear
in OCSP requests */
if (BIO_printf(bp," Subject OCSP hash: ") <= 0)
goto err;
derlen = i2d_X509_NAME(x->cert_info->subject, NULL);
if ((der = dertmp = (unsigned char *)OPENSSL_malloc (derlen)) == NULL)
goto err;
i2d_X509_NAME(x->cert_info->subject, &dertmp);
EVP_Digest(der, derlen, SHA1md, NULL, EVP_sha1(), NULL);
for (i=0; i < SHA_DIGEST_LENGTH; i++)
{
if (BIO_printf(bp,"%02X",SHA1md[i]) <= 0) goto err;
}
OPENSSL_free (der);
der=NULL;
/* display the hash of the public key as it would appear
in OCSP requests */
if (BIO_printf(bp,"\n Public key OCSP hash: ") <= 0)
goto err;
EVP_Digest(x->cert_info->key->public_key->data,
x->cert_info->key->public_key->length, SHA1md, NULL, EVP_sha1(), NULL);
for (i=0; i < SHA_DIGEST_LENGTH; i++)
{
if (BIO_printf(bp,"%02X",SHA1md[i]) <= 0)
goto err;
}
BIO_printf(bp,"\n");
return (1);
err:
if (der != NULL) OPENSSL_free(der);
return(0);
}
int X509_signature_print(BIO *bp, X509_ALGOR *sigalg, ASN1_STRING *sig)
{
unsigned char *s;
int i, n;
if (BIO_puts(bp," Signature Algorithm: ") <= 0) return 0;
if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0) return 0;
n=sig->length;
s=sig->data;
for (i=0; i<n; i++)
{
if ((i%18) == 0)
if (BIO_write(bp,"\n ",9) <= 0) return 0;
if (BIO_printf(bp,"%02x%s",s[i],
((i+1) == n)?"":":") <= 0) return 0;
}
if (BIO_write(bp,"\n",1) != 1) return 0;
return 1;
}
int ASN1_STRING_print(BIO *bp, ASN1_STRING *v)
{
int i,n;
char buf[80],*p;
if (v == NULL) return(0);
n=0;
p=(char *)v->data;
for (i=0; i<v->length; i++)
{
if ((p[i] > '~') || ((p[i] < ' ') &&
(p[i] != '\n') && (p[i] != '\r')))
buf[n]='.';
else
buf[n]=p[i];
n++;
if (n >= 80)
{
if (BIO_write(bp,buf,n) <= 0)
return(0);
n=0;
}
}
if (n > 0)
if (BIO_write(bp,buf,n) <= 0)
return(0);
return(1);
}
int ASN1_TIME_print(BIO *bp, ASN1_TIME *tm)
{
if(tm->type == V_ASN1_UTCTIME) return ASN1_UTCTIME_print(bp, tm);
if(tm->type == V_ASN1_GENERALIZEDTIME)
return ASN1_GENERALIZEDTIME_print(bp, tm);
BIO_write(bp,"Bad time value",14);
return(0);
}
static const char *mon[12]=
{
"Jan","Feb","Mar","Apr","May","Jun",
"Jul","Aug","Sep","Oct","Nov","Dec"
};
int ASN1_GENERALIZEDTIME_print(BIO *bp, ASN1_GENERALIZEDTIME *tm)
{
char *v;
int gmt=0;
int i;
int y=0,M=0,d=0,h=0,m=0,s=0;
char *f = NULL;
int f_len = 0;
i=tm->length;
v=(char *)tm->data;
if (i < 12) goto err;
if (v[i-1] == 'Z') gmt=1;
for (i=0; i<12; i++)
if ((v[i] > '9') || (v[i] < '0')) goto err;
y= (v[0]-'0')*1000+(v[1]-'0')*100 + (v[2]-'0')*10+(v[3]-'0');
M= (v[4]-'0')*10+(v[5]-'0');
if ((M > 12) || (M < 1)) goto err;
d= (v[6]-'0')*10+(v[7]-'0');
h= (v[8]-'0')*10+(v[9]-'0');
m= (v[10]-'0')*10+(v[11]-'0');
if (tm->length >= 14 &&
(v[12] >= '0') && (v[12] <= '9') &&
(v[13] >= '0') && (v[13] <= '9'))
{
s= (v[12]-'0')*10+(v[13]-'0');
/* Check for fractions of seconds. */
if (tm->length >= 15 && v[14] == '.')
{
int l = tm->length;
f = &v[14]; /* The decimal point. */
f_len = 1;
while (14 + f_len < l && f[f_len] >= '0' && f[f_len] <= '9')
++f_len;
}
}
if (BIO_printf(bp,"%s %2d %02d:%02d:%02d%.*s %d%s",
mon[M-1],d,h,m,s,f_len,f,y,(gmt)?" GMT":"") <= 0)
return(0);
else
return(1);
err:
BIO_write(bp,"Bad time value",14);
return(0);
}
int ASN1_UTCTIME_print(BIO *bp, ASN1_UTCTIME *tm)
{
char *v;
int gmt=0;
int i;
int y=0,M=0,d=0,h=0,m=0,s=0;
i=tm->length;
v=(char *)tm->data;
if (i < 10) goto err;
if (v[i-1] == 'Z') gmt=1;
for (i=0; i<10; i++)
if ((v[i] > '9') || (v[i] < '0')) goto err;
y= (v[0]-'0')*10+(v[1]-'0');
if (y < 50) y+=100;
M= (v[2]-'0')*10+(v[3]-'0');
if ((M > 12) || (M < 1)) goto err;
d= (v[4]-'0')*10+(v[5]-'0');
h= (v[6]-'0')*10+(v[7]-'0');
m= (v[8]-'0')*10+(v[9]-'0');
if (tm->length >=12 &&
(v[10] >= '0') && (v[10] <= '9') &&
(v[11] >= '0') && (v[11] <= '9'))
s= (v[10]-'0')*10+(v[11]-'0');
if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s",
mon[M-1],d,h,m,s,y+1900,(gmt)?" GMT":"") <= 0)
return(0);
else
return(1);
err:
BIO_write(bp,"Bad time value",14);
return(0);
}
int X509_NAME_print(BIO *bp, X509_NAME *name, int obase)
{
char *s,*c,*b;
int ret=0,l,i;
l=80-2-obase;
b=X509_NAME_oneline(name,NULL,0);
if (!*b)
{
OPENSSL_free(b);
return 1;
}
s=b+1; /* skip the first slash */
c=s;
for (;;)
{
#ifndef CHARSET_EBCDIC
if ( ((*s == '/') &&
((s[1] >= 'A') && (s[1] <= 'Z') && (
(s[2] == '=') ||
((s[2] >= 'A') && (s[2] <= 'Z') &&
(s[3] == '='))
))) ||
(*s == '\0'))
#else
if ( ((*s == '/') &&
(isupper(s[1]) && (
(s[2] == '=') ||
(isupper(s[2]) &&
(s[3] == '='))
))) ||
(*s == '\0'))
#endif
{
i=s-c;
if (BIO_write(bp,c,i) != i) goto err;
c=s+1; /* skip following slash */
if (*s != '\0')
{
if (BIO_write(bp,", ",2) != 2) goto err;
}
l--;
}
if (*s == '\0') break;
s++;
l--;
}
ret=1;
if (0)
{
err:
X509err(X509_F_X509_NAME_PRINT,ERR_R_BUF_LIB);
}
OPENSSL_free(b);
return(ret);
}