crypto/asn1/t_req.c

   1 /* crypto/asn1/t_req.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 #include <stdio.h>
  60 #include "cryptlib.h"
  61 #include <openssl/buffer.h>
  62 #include <openssl/bn.h>
  63 #include <openssl/objects.h>
  64 #include <openssl/x509.h>
  65 #include <openssl/x509v3.h>
  66
  67 #ifndef NO_FP_API
  68 int X509_REQ_print_fp(FILE *fp, X509_REQ *x)
  69         {
  70         BIO *b;
  71         int ret;
  72
  73         if ((b=BIO_new(BIO_s_file())) == NULL)
  74                 {
  75                 X509err(X509_F_X509_REQ_PRINT_FP,ERR_R_BUF_LIB);
  76                 return(0);
  77                 }
  78         BIO_set_fp(b,fp,BIO_NOCLOSE);
  79         ret=X509_REQ_print(b, x);
  80         BIO_free(b);
  81         return(ret);
  82         }
  83 #endif
  84
  85 int X509_REQ_print(BIO *bp, X509_REQ *x)
  86         {
  87         unsigned long l;
  88         int i,n;
  89         char *s;
  90         const char *neg;
  91         X509_REQ_INFO *ri;
  92         EVP_PKEY *pkey;
  93         STACK_OF(X509_ATTRIBUTE) *sk;
  94         STACK_OF(X509_EXTENSION) *exts;
  95         char str[128];
  96
  97         ri=x->req_info;
  98         sprintf(str,"Certificate Request:\n");
  99         if (BIO_puts(bp,str) <= 0) goto err;
 100         sprintf(str,"%4sData:\n","");
 101         if (BIO_puts(bp,str) <= 0) goto err;
 102
 103         neg=(ri->version->type == V_ASN1_NEG_INTEGER)?"-":"";
 104         l=0;
 105         for (i=0; i<ri->version->length; i++)
 106                 { l<<=8; l+=ri->version->data[i]; }
 107         sprintf(str,"%8sVersion: %s%lu (%s0x%lx)\n","",neg,l,neg,l);
 108         if (BIO_puts(bp,str) <= 0) goto err;
 109         sprintf(str,"%8sSubject: ","");
 110         if (BIO_puts(bp,str) <= 0) goto err;
 111
 112         X509_NAME_print(bp,ri->subject,16);
 113         sprintf(str,"\n%8sSubject Public Key Info:\n","");
 114         if (BIO_puts(bp,str) <= 0) goto err;
 115         i=OBJ_obj2nid(ri->pubkey->algor->algorithm);
 116         sprintf(str,"%12sPublic Key Algorithm: %s\n","",
 117                 (i == NID_undef)?"UNKNOWN":OBJ_nid2ln(i));
 118         if (BIO_puts(bp,str) <= 0) goto err;
 119
 120         pkey=X509_REQ_get_pubkey(x);
 121 #ifndef NO_RSA
 122         if (pkey->type == EVP_PKEY_RSA)
 123                 {
 124                 BIO_printf(bp,"%12sRSA Public Key: (%d bit)\n","",
 125                         BN_num_bits(pkey->pkey.rsa->n));
 126                 RSA_print(bp,pkey->pkey.rsa,16);
 127                 }
 128         else
 129 #endif
 130 #ifndef NO_DSA
 131                 if (pkey->type == EVP_PKEY_DSA)
 132                 {
 133                 BIO_printf(bp,"%12sDSA Public Key:\n","");
 134                 DSA_print(bp,pkey->pkey.dsa,16);
 135                 }
 136         else
 137 #endif
 138                 BIO_printf(bp,"%12sUnknown Public Key:\n","");
 139
 140         EVP_PKEY_free(pkey);
 141
 142         /* may not be */
 143         sprintf(str,"%8sAttributes:\n","");
 144         if (BIO_puts(bp,str) <= 0) goto err;
 145
 146         sk=x->req_info->attributes;
 147         if ((sk == NULL) || (sk_X509_ATTRIBUTE_num(sk) == 0))
 148                 {
 149                 if (!x->req_info->req_kludge)
 150                         {
 151                         sprintf(str,"%12sa0:00\n","");
 152                         if (BIO_puts(bp,str) <= 0) goto err;
 153                         }
 154                 }
 155         else
 156                 {
 157                 for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++)
 158                         {
 159                         ASN1_TYPE *at;
 160                         X509_ATTRIBUTE *a;
 161                         ASN1_BIT_STRING *bs=NULL;
 162                         ASN1_TYPE *t;
 163                         int j,type=0,count=1,ii=0;
 164
 165                         a=sk_X509_ATTRIBUTE_value(sk,i);
 166                         if(X509_REQ_extension_nid(OBJ_obj2nid(a->object)))
 167                                                                 continue;
 168                         sprintf(str,"%12s","");
 169                         if (BIO_puts(bp,str) <= 0) goto err;
 170                         if ((j=i2a_ASN1_OBJECT(bp,a->object)) > 0)
 171                         {
 172                         if (a->set)
 173                                 {
 174                                 ii=0;
 175                                 count=sk_ASN1_TYPE_num(a->value.set);
 176 get_next:
 177                                 at=sk_ASN1_TYPE_value(a->value.set,ii);
 178                                 type=at->type;
 179                                 bs=at->value.asn1_string;
 180                                 }
 181                         else
 182                                 {
 183                                 t=a->value.single;
 184                                 type=t->type;
 185                                 bs=t->value.bit_string;
 186                                 }
 187                         }
 188                         for (j=25-j; j>0; j--)
 189                                 if (BIO_write(bp," ",1) != 1) goto err;
 190                         if (BIO_puts(bp,":") <= 0) goto err;
 191                         if (    (type == V_ASN1_PRINTABLESTRING) ||
 192                                 (type == V_ASN1_T61STRING) ||
 193                                 (type == V_ASN1_IA5STRING))
 194                                 {
 195                                 if (BIO_write(bp,(char *)bs->data,bs->length)
 196                                         != bs->length)
 197                                         goto err;
 198                                 BIO_puts(bp,"\n");
 199                                 }
 200                         else
 201                                 {
 202                                 BIO_puts(bp,"unable to print attribute\n");
 203                                 }
 204                         if (++ii < count) goto get_next;
 205                         }
 206                 }
 207
 208         exts = X509_REQ_get_extensions(x);
 209         if(exts) {
 210                 BIO_printf(bp,"%8sRequested Extensions:\n","");
 211                 for (i=0; i<sk_X509_EXTENSION_num(exts); i++) {
 212                         ASN1_OBJECT *obj;
 213                         X509_EXTENSION *ex;
 214                         int j;
 215                         ex=sk_X509_EXTENSION_value(exts, i);
 216                         if (BIO_printf(bp,"%12s","") <= 0) goto err;
 217                         obj=X509_EXTENSION_get_object(ex);
 218                         i2a_ASN1_OBJECT(bp,obj);
 219                         j=X509_EXTENSION_get_critical(ex);
 220                         if (BIO_printf(bp,": %s\n",j?"critical":"","") <= 0)
 221                                 goto err;
 222                         if(!X509V3_EXT_print(bp, ex, 0, 16)) {
 223                                 BIO_printf(bp, "%16s", "");
 224                                 ASN1_OCTET_STRING_print(bp,ex->value);
 225                         }
 226                         if (BIO_write(bp,"\n",1) <= 0) goto err;
 227                 }
 228                 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
 229         }
 230
 231         i=OBJ_obj2nid(x->sig_alg->algorithm);
 232         sprintf(str,"%4sSignature Algorithm: %s","",
 233                 (i == NID_undef)?"UNKNOWN":OBJ_nid2ln(i));
 234         if (BIO_puts(bp,str) <= 0) goto err;
 235
 236         n=x->signature->length;
 237         s=(char *)x->signature->data;
 238         for (i=0; i<n; i++)
 239                 {
 240                 if ((i%18) == 0)
 241                         {
 242                         sprintf(str,"\n%8s","");
 243                         if (BIO_puts(bp,str) <= 0) goto err;
 244                         }
 245                 sprintf(str,"%02x%s",(unsigned char)s[i],((i+1) == n)?"":":");
 246                 if (BIO_puts(bp,str) <= 0) goto err;
 247                 }
 248         if (BIO_puts(bp,"\n") <= 0) goto err;
 249         return(1);
 250 err:
 251         X509err(X509_F_X509_REQ_PRINT,ERR_R_BUF_LIB);
 252         return(0);
 253         }